From abc09d8b12cde320e13f02db19cc27e6be3602c9 Mon Sep 17 00:00:00 2001
From: Julien Boeuf <jboeuf@google.com>
Date: Wed, 24 Jun 2015 17:57:55 +0200
Subject: Adding util to get a NULL terminated string from a slice.

---
 src/core/support/slice.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'src/core')

diff --git a/src/core/support/slice.c b/src/core/support/slice.c
index a2d62fc1e5..e4196a48c6 100644
--- a/src/core/support/slice.c
+++ b/src/core/support/slice.c
@@ -325,3 +325,10 @@ int gpr_slice_str_cmp(gpr_slice a, const char *b) {
   if (d != 0) return d;
   return memcmp(GPR_SLICE_START_PTR(a), b, b_length);
 }
+
+char *gpr_slice_to_cstring(gpr_slice slice) {
+  char *result = gpr_malloc(GPR_SLICE_LENGTH(slice) + 1);
+  memcpy(result, GPR_SLICE_START_PTR(slice), GPR_SLICE_LENGTH(slice));
+  result[GPR_SLICE_LENGTH(slice)] = '\0';
+  return result;
+}
-- 
cgit v1.2.3


From fc62dddd1ca3642bc6c1bb0cd408f1bac78d52e6 Mon Sep 17 00:00:00 2001
From: Alistair Veitch <aveitch@google.com>
Date: Mon, 29 Jun 2015 02:52:46 -0700
Subject: add client side census context

---
 include/grpc++/client_context.h |  6 ++++++
 include/grpc/census.h           |  4 ++++
 src/core/census/grpc_context.c  | 28 +++++++++++++++++++++++-----
 src/core/census/grpc_context.h  | 18 ++++++++++++++++++
 src/core/census/initialize.c    |  2 ++
 src/core/surface/call.c         | 19 +++++++++----------
 src/cpp/client/channel.cc       |  2 ++
 7 files changed, 64 insertions(+), 15 deletions(-)

(limited to 'src/core')

diff --git a/include/grpc++/client_context.h b/include/grpc++/client_context.h
index 5e10875260..09aa10508d 100644
--- a/include/grpc++/client_context.h
+++ b/include/grpc++/client_context.h
@@ -38,6 +38,7 @@
 #include <memory>
 #include <string>
 
+#include <grpc/census.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
 #include <grpc++/config.h>
@@ -107,6 +108,10 @@ class ClientContext {
     creds_ = creds;
   }
 
+  // Get and set census context
+  void set_census_context(census_context* ccp) { census_context_ = ccp; }
+  census_context* get_census_context() const { return census_context_; }
+
   void TryCancel();
 
  private:
@@ -154,6 +159,7 @@ class ClientContext {
   gpr_timespec deadline_;
   grpc::string authority_;
   std::shared_ptr<Credentials> creds_;
+  census_context* census_context_;
   std::multimap<grpc::string, grpc::string> send_initial_metadata_;
   std::multimap<grpc::string, grpc::string> recv_initial_metadata_;
   std::multimap<grpc::string, grpc::string> trailing_metadata_;
diff --git a/include/grpc/census.h b/include/grpc/census.h
index b2049b3289..3fc07affc8 100644
--- a/include/grpc/census.h
+++ b/include/grpc/census.h
@@ -61,6 +61,10 @@ enum census_functions {
 int census_initialize(int functions);
 void census_shutdown();
 
+/* If any census feature has been initialized, this funtion will return a
+ * non-zero value. */
+int census_available();
+
 /* Internally, Census relies on a context, which should be propagated across
  * RPC's. From the RPC subsystems viewpoint, this is an opaque data structure.
  * A context must be used as the first argument to all other census
diff --git a/src/core/census/grpc_context.c b/src/core/census/grpc_context.c
index cf2353199f..ffdab82570 100644
--- a/src/core/census/grpc_context.c
+++ b/src/core/census/grpc_context.c
@@ -34,12 +34,30 @@
 #include <grpc/census.h>
 #include "src/core/census/grpc_context.h"
 
-void *grpc_census_context_create() {
-  census_context *context;
-  census_context_deserialize(NULL, &context);
-  return (void *)context;
-}
+void *grpc_census_context_create() { return NULL; }
 
 void grpc_census_context_destroy(void *context) {
   census_context_destroy((census_context *)context);
 }
+
+void grpc_census_call_set_context(grpc_call *call, census_context *context) {
+  if (!census_available()) {
+    return;
+  }
+  if (context == NULL) {
+    if (grpc_call_is_client(call)) {
+      census_context *context_ptr;
+      census_context_deserialize(NULL, &context_ptr);
+      grpc_call_context_set(call, GRPC_CONTEXT_TRACING, context_ptr,
+                            grpc_census_context_destroy);
+    } else {
+      /* TODO(aveitch): server side context code to be implemented. */
+    }
+  } else {
+    grpc_call_context_set(call, GRPC_CONTEXT_TRACING, context, NULL);
+  }
+}
+
+census_context *grpc_census_call_get_context(grpc_call *call) {
+  return (census_context *)grpc_call_context_get(call, GRPC_CONTEXT_TRACING);
+}
diff --git a/src/core/census/grpc_context.h b/src/core/census/grpc_context.h
index f610f6ce21..01f35c3213 100644
--- a/src/core/census/grpc_context.h
+++ b/src/core/census/grpc_context.h
@@ -36,7 +36,25 @@
 #ifndef CENSUS_GRPC_CONTEXT_H
 #define CENSUS_GRPC_CONTEXT_H
 
+#include <grpc/census.h>
+#include "src/core/surface/call.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 void *grpc_census_context_create();
 void grpc_census_context_destroy(void *context);
 
+/* Set census context for the call; Must be called before first call to
+   grpc_call_start_batch(). */
+void grpc_census_call_set_context(grpc_call *call, census_context *context);
+
+/* Retrieve the calls current census context. */
+census_context *grpc_census_call_get_context(grpc_call *call);
+
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* CENSUS_GRPC_CONTEXT_H */
diff --git a/src/core/census/initialize.c b/src/core/census/initialize.c
index 057ac78ee7..8016520641 100644
--- a/src/core/census/initialize.c
+++ b/src/core/census/initialize.c
@@ -48,3 +48,5 @@ int census_initialize(int functions) {
 }
 
 void census_shutdown() { census_fns_enabled = CENSUS_NONE; }
+
+int census_available() { return (census_fns_enabled != CENSUS_NONE); }
diff --git a/src/core/surface/call.c b/src/core/surface/call.c
index 02e0e59cad..ef430dd9df 100644
--- a/src/core/surface/call.c
+++ b/src/core/surface/call.c
@@ -296,8 +296,6 @@ grpc_call *grpc_call_create(grpc_channel *channel, grpc_completion_queue *cq,
   if (call->is_client) {
     call->request_set[GRPC_IOREQ_SEND_TRAILING_METADATA] = REQSET_DONE;
     call->request_set[GRPC_IOREQ_SEND_STATUS] = REQSET_DONE;
-    call->context[GRPC_CONTEXT_TRACING].value = grpc_census_context_create();
-    call->context[GRPC_CONTEXT_TRACING].destroy = grpc_census_context_destroy;
   }
   GPR_ASSERT(add_initial_metadata_count < MAX_SEND_INITIAL_METADATA_COUNT);
   for (i = 0; i < add_initial_metadata_count; i++) {
@@ -462,8 +460,7 @@ static int need_more_data(grpc_call *call) {
          (is_op_live(call, GRPC_IOREQ_RECV_CLOSE) &&
           grpc_bbq_empty(&call->incoming_queue)) ||
          (call->write_state == WRITE_STATE_INITIAL && !call->is_client) ||
-         (call->cancel_with_status != GRPC_STATUS_OK) ||
-         call->destroy_called;
+         (call->cancel_with_status != GRPC_STATUS_OK) || call->destroy_called;
 }
 
 static void unlock(grpc_call *call) {
@@ -1151,7 +1148,8 @@ static void execute_op(grpc_call *call, grpc_transport_op *op) {
     } else {
       finished_loose_op_allocated_args *args = gpr_malloc(sizeof(*args));
       args->call = call;
-      grpc_iomgr_closure_init(&args->closure, finished_loose_op_allocated, args);
+      grpc_iomgr_closure_init(&args->closure, finished_loose_op_allocated,
+                              args);
       op->on_consumed = &args->closure;
     }
   }
@@ -1223,13 +1221,13 @@ static gpr_uint32 decode_compression(grpc_mdelem *md) {
   } else {
     gpr_uint32 parsed_clevel_bytes;
     if (gpr_parse_bytes_to_uint32(grpc_mdstr_as_c_string(md->value),
-                                   GPR_SLICE_LENGTH(md->value->slice),
-                                   &parsed_clevel_bytes)) {
+                                  GPR_SLICE_LENGTH(md->value->slice),
+                                  &parsed_clevel_bytes)) {
       /* the following cast is safe, as a gpr_uint32 should be able to hold all
        * possible values of the grpc_compression_level enum */
-      clevel = (grpc_compression_level) parsed_clevel_bytes;
+      clevel = (grpc_compression_level)parsed_clevel_bytes;
     } else {
-      clevel = GRPC_COMPRESS_LEVEL_NONE;  /* could not parse, no compression */
+      clevel = GRPC_COMPRESS_LEVEL_NONE; /* could not parse, no compression */
     }
     grpc_mdelem_set_user_data(md, destroy_compression,
                               (void *)(gpr_intptr)(clevel + COMPRESS_OFFSET));
@@ -1252,7 +1250,8 @@ static void recv_metadata(grpc_call *call, grpc_metadata_batch *md) {
       set_status_code(call, STATUS_FROM_WIRE, decode_status(md));
     } else if (key == grpc_channel_get_message_string(call->channel)) {
       set_status_details(call, STATUS_FROM_WIRE, grpc_mdstr_ref(md->value));
-    } else if (key == grpc_channel_get_compresssion_level_string(call->channel)) {
+    } else if (key ==
+               grpc_channel_get_compresssion_level_string(call->channel)) {
       set_decode_compression_level(call, decode_compression(md));
     } else {
       dest = &call->buffered_metadata[is_trailing];
diff --git a/src/cpp/client/channel.cc b/src/cpp/client/channel.cc
index 72593f877e..5bc6f6fd91 100644
--- a/src/cpp/client/channel.cc
+++ b/src/cpp/client/channel.cc
@@ -39,6 +39,7 @@
 #include <grpc/support/log.h>
 #include <grpc/support/slice.h>
 
+#include "src/core/census/grpc_context.h"
 #include "src/core/profiling/timers.h"
 #include <grpc++/channel_arguments.h>
 #include <grpc++/client_context.h>
@@ -68,6 +69,7 @@ Call Channel::CreateCall(const RpcMethod& method, ClientContext* context,
                                          ? target_.c_str()
                                          : context->authority().c_str(),
                                      context->raw_deadline());
+  grpc_census_call_set_context(c_call, context->get_census_context());
   GRPC_TIMER_MARK(GRPC_PTAG_CPP_CALL_CREATED, c_call);
   context->set_call(c_call, shared_from_this());
   return Call(c_call, this, cq);
-- 
cgit v1.2.3


From da13cd201be1ed4bfa69ce061e4ccb843f5feb4f Mon Sep 17 00:00:00 2001
From: Julien Boeuf <jboeuf@google.com>
Date: Mon, 29 Jun 2015 19:25:32 +0200
Subject: Adding gpr_dump and gpr_hexdump as discussed. Removed
 gpr_slice_to_cstring as well.

---
 include/grpc/support/slice.h                     |  4 --
 src/core/iomgr/tcp_posix.c                       |  8 +---
 src/core/security/secure_endpoint.c              |  8 +---
 src/core/support/string.c                        | 57 ++++++++++++++++--------
 src/core/support/string.h                        | 15 ++++---
 src/core/surface/call_log_batch.c                |  4 +-
 src/core/transport/chttp2/hpack_parser.c         |  7 +--
 src/core/transport/transport_op_string.c         | 10 ++---
 test/core/bad_client/bad_client.c                |  4 +-
 test/core/support/slice_test.c                   | 28 ------------
 test/core/support/string_test.c                  | 51 ++++++++++++++++-----
 test/core/transport/chttp2/bin_encoder_test.c    | 15 +++----
 test/core/transport/chttp2/stream_encoder_test.c |  8 +---
 13 files changed, 110 insertions(+), 109 deletions(-)

(limited to 'src/core')

diff --git a/include/grpc/support/slice.h b/include/grpc/support/slice.h
index a4fb2d0807..ec6c117afe 100644
--- a/include/grpc/support/slice.h
+++ b/include/grpc/support/slice.h
@@ -172,10 +172,6 @@ gpr_slice gpr_empty_slice(void);
 int gpr_slice_cmp(gpr_slice a, gpr_slice b);
 int gpr_slice_str_cmp(gpr_slice a, const char *b);
 
-/* Returns a null terminated C string from a slice. It is the responsibility of
-   the caller to call gpr_free on the result. */
-char *gpr_slice_to_cstring(gpr_slice s);
-
 #ifdef __cplusplus
 }
 #endif
diff --git a/src/core/iomgr/tcp_posix.c b/src/core/iomgr/tcp_posix.c
index 9ad089af66..b6d6efc9fb 100644
--- a/src/core/iomgr/tcp_posix.c
+++ b/src/core/iomgr/tcp_posix.c
@@ -313,9 +313,7 @@ static void call_read_cb(grpc_tcp *tcp, gpr_slice *slices, size_t nslices,
     size_t i;
     gpr_log(GPR_DEBUG, "read: status=%d", status);
     for (i = 0; i < nslices; i++) {
-      char *dump =
-          gpr_hexdump((char *)GPR_SLICE_START_PTR(slices[i]),
-                      GPR_SLICE_LENGTH(slices[i]), GPR_HEXDUMP_PLAINTEXT);
+      char *dump = gpr_dump_slice(slices[i], GPR_DUMP_HEX | GPR_DUMP_ASCII);
       gpr_log(GPR_DEBUG, "READ: %s", dump);
       gpr_free(dump);
     }
@@ -540,9 +538,7 @@ static grpc_endpoint_write_status grpc_tcp_write(grpc_endpoint *ep,
     size_t i;
 
     for (i = 0; i < nslices; i++) {
-      char *data =
-          gpr_hexdump((char *)GPR_SLICE_START_PTR(slices[i]),
-                      GPR_SLICE_LENGTH(slices[i]), GPR_HEXDUMP_PLAINTEXT);
+      char *data = gpr_dump_slice(slices[i], GPR_DUMP_HEX | GPR_DUMP_ASCII);
       gpr_log(GPR_DEBUG, "WRITE %p: %s", tcp, data);
       gpr_free(data);
     }
diff --git a/src/core/security/secure_endpoint.c b/src/core/security/secure_endpoint.c
index 73496d1153..3548198046 100644
--- a/src/core/security/secure_endpoint.c
+++ b/src/core/security/secure_endpoint.c
@@ -101,9 +101,7 @@ static void call_read_cb(secure_endpoint *ep, gpr_slice *slices, size_t nslices,
   if (grpc_trace_secure_endpoint) {
     size_t i;
     for (i = 0; i < nslices; i++) {
-      char *data =
-          gpr_hexdump((char *)GPR_SLICE_START_PTR(slices[i]),
-                      GPR_SLICE_LENGTH(slices[i]), GPR_HEXDUMP_PLAINTEXT);
+      char *data = gpr_dump_slice(slices[i], GPR_DUMP_HEX | GPR_DUMP_ASCII);
       gpr_log(GPR_DEBUG, "READ %p: %s", ep, data);
       gpr_free(data);
     }
@@ -235,9 +233,7 @@ static grpc_endpoint_write_status endpoint_write(grpc_endpoint *secure_ep,
 
   if (grpc_trace_secure_endpoint) {
     for (i = 0; i < nslices; i++) {
-      char *data =
-          gpr_hexdump((char *)GPR_SLICE_START_PTR(slices[i]),
-                      GPR_SLICE_LENGTH(slices[i]), GPR_HEXDUMP_PLAINTEXT);
+      char *data = gpr_dump_slice(slices[i], GPR_DUMP_HEX | GPR_DUMP_ASCII);
       gpr_log(GPR_DEBUG, "WRITE %p: %s", ep, data);
       gpr_free(data);
     }
diff --git a/src/core/support/string.c b/src/core/support/string.c
index 6a80ccc841..09598da946 100644
--- a/src/core/support/string.c
+++ b/src/core/support/string.c
@@ -61,14 +61,14 @@ typedef struct {
   size_t capacity;
   size_t length;
   char *data;
-} hexout;
+} dump_out;
 
-static hexout hexout_create(void) {
-  hexout r = {0, 0, NULL};
+static dump_out dump_out_create(void) {
+  dump_out r = {0, 0, NULL};
   return r;
 }
 
-static void hexout_append(hexout *out, char c) {
+static void dump_out_append(dump_out *out, char c) {
   if (out->length == out->capacity) {
     out->capacity = GPR_MAX(8, 2 * out->capacity);
     out->data = gpr_realloc(out->data, out->capacity);
@@ -76,34 +76,55 @@ static void hexout_append(hexout *out, char c) {
   out->data[out->length++] = c;
 }
 
-char *gpr_hexdump(const char *buf, size_t len, gpr_uint32 flags) {
+static void hexdump(dump_out *out, const char *buf, size_t len) {
   static const char hex[16] = "0123456789abcdef";
-  hexout out = hexout_create();
 
   const gpr_uint8 *const beg = (const gpr_uint8 *)buf;
   const gpr_uint8 *const end = beg + len;
   const gpr_uint8 *cur;
 
   for (cur = beg; cur != end; ++cur) {
-    if (cur != beg) hexout_append(&out, ' ');
-    hexout_append(&out, hex[*cur >> 4]);
-    hexout_append(&out, hex[*cur & 0xf]);
+    if (cur != beg) dump_out_append(out, ' ');
+    dump_out_append(out, hex[*cur >> 4]);
+    dump_out_append(out, hex[*cur & 0xf]);
   }
+}
 
-  if (flags & GPR_HEXDUMP_PLAINTEXT) {
-    if (len) hexout_append(&out, ' ');
-    hexout_append(&out, '\'');
-    for (cur = beg; cur != end; ++cur) {
-      hexout_append(&out, isprint(*cur) ? *(char*)cur : '.');
-    }
-    hexout_append(&out, '\'');
+static void asciidump(dump_out *out, const char *buf, size_t len) {
+  const gpr_uint8 *const beg = (const gpr_uint8 *)buf;
+  const gpr_uint8 *const end = beg + len;
+  const gpr_uint8 *cur;
+  int out_was_empty = (out->length == 0);
+  if (!out_was_empty) {
+    dump_out_append(out, ' ');
+    dump_out_append(out, '\'');
   }
+  for (cur = beg; cur != end; ++cur) {
+    dump_out_append(out, isprint(*cur) ? *(char *)cur : '.');
+  }
+  if (!out_was_empty) {
+    dump_out_append(out, '\'');
+  }
+}
 
-  hexout_append(&out, 0);
-
+char *gpr_dump(const char *buf, size_t len, gpr_uint32 flags) {
+  dump_out out = dump_out_create();
+  if (flags & GPR_DUMP_HEX) {
+    hexdump(&out, buf, len);
+  }
+  if (flags & GPR_DUMP_ASCII) {
+    asciidump(&out, buf, len);
+  }
+  dump_out_append(&out, 0);
   return out.data;
 }
 
+char *gpr_dump_slice(gpr_slice s, gpr_uint32 flags) {
+  return gpr_dump((const char *)GPR_SLICE_START_PTR(s), GPR_SLICE_LENGTH(s),
+                  flags);
+}
+
+
 int gpr_parse_bytes_to_uint32(const char *buf, size_t len, gpr_uint32 *result) {
   gpr_uint32 out = 0;
   gpr_uint32 new;
diff --git a/src/core/support/string.h b/src/core/support/string.h
index 31e9fcb5e9..d950d908d6 100644
--- a/src/core/support/string.h
+++ b/src/core/support/string.h
@@ -37,6 +37,7 @@
 #include <stddef.h>
 
 #include <grpc/support/port_platform.h>
+#include <grpc/support/slice.h>
 
 #ifdef __cplusplus
 extern "C" {
@@ -44,12 +45,16 @@ extern "C" {
 
 /* String utility functions */
 
-/* flag to include plaintext after a hexdump */
-#define GPR_HEXDUMP_PLAINTEXT 0x00000001
+/* Flags for gpr_dump function. */
+#define GPR_DUMP_HEX   0x00000001
+#define GPR_DUMP_ASCII 0x00000002
 
-/* Converts array buf, of length len, into a hexadecimal dump. Result should
-   be freed with gpr_free() */
-char *gpr_hexdump(const char *buf, size_t len, gpr_uint32 flags);
+/* Converts array buf, of length len, into a C string  according to the flags.
+   Result should be freed with gpr_free() */
+char *gpr_dump(const char *buf, size_t len, gpr_uint32 flags);
+
+/* Calls gpr_dump on a slice. */
+char *gpr_dump_slice(gpr_slice slice, gpr_uint32 flags);
 
 /* Parses an array of bytes into an integer (base 10). Returns 1 on success,
    0 on failure. */
diff --git a/src/core/surface/call_log_batch.c b/src/core/surface/call_log_batch.c
index 55663298c9..997046d954 100644
--- a/src/core/surface/call_log_batch.c
+++ b/src/core/surface/call_log_batch.c
@@ -46,8 +46,8 @@ static void add_metadata(gpr_strvec *b, const grpc_metadata *md, size_t count) {
     gpr_strvec_add(b, gpr_strdup(md[i].key));
 
     gpr_strvec_add(b, gpr_strdup(" value="));
-    gpr_strvec_add(b, gpr_hexdump(md[i].value, md[i].value_length,
-                                  GPR_HEXDUMP_PLAINTEXT));
+    gpr_strvec_add(b, gpr_dump(md[i].value, md[i].value_length,
+                               GPR_DUMP_HEX | GPR_DUMP_ASCII));
   }
 }
 
diff --git a/src/core/transport/chttp2/hpack_parser.c b/src/core/transport/chttp2/hpack_parser.c
index a489543868..d164d0720f 100644
--- a/src/core/transport/chttp2/hpack_parser.c
+++ b/src/core/transport/chttp2/hpack_parser.c
@@ -1320,12 +1320,9 @@ static int parse_value_string_with_literal_key(grpc_chttp2_hpack_parser *p,
 /* PUBLIC INTERFACE */
 
 static void on_header_not_set(void *user_data, grpc_mdelem *md) {
-  char *keyhex =
-      gpr_hexdump(grpc_mdstr_as_c_string(md->key),
-                  GPR_SLICE_LENGTH(md->key->slice), GPR_HEXDUMP_PLAINTEXT);
+  char *keyhex = gpr_dump_slice(md->key->slice, GPR_DUMP_HEX | GPR_DUMP_ASCII);
   char *valuehex =
-      gpr_hexdump(grpc_mdstr_as_c_string(md->value),
-                  GPR_SLICE_LENGTH(md->value->slice), GPR_HEXDUMP_PLAINTEXT);
+      gpr_dump_slice(md->value->slice, GPR_DUMP_HEX | GPR_DUMP_ASCII);
   gpr_log(GPR_ERROR, "on_header callback not set; key=%s value=%s", keyhex,
           valuehex);
   gpr_free(keyhex);
diff --git a/src/core/transport/transport_op_string.c b/src/core/transport/transport_op_string.c
index 5c4edb006a..8d633d1ba2 100644
--- a/src/core/transport/transport_op_string.c
+++ b/src/core/transport/transport_op_string.c
@@ -47,14 +47,12 @@
 
 static void put_metadata(gpr_strvec *b, grpc_mdelem *md) {
   gpr_strvec_add(b, gpr_strdup("key="));
-  gpr_strvec_add(
-      b, gpr_hexdump((char *)GPR_SLICE_START_PTR(md->key->slice),
-                     GPR_SLICE_LENGTH(md->key->slice), GPR_HEXDUMP_PLAINTEXT));
+  gpr_strvec_add(b,
+                 gpr_dump_slice(md->key->slice, GPR_DUMP_HEX | GPR_DUMP_ASCII));
 
   gpr_strvec_add(b, gpr_strdup(" value="));
-  gpr_strvec_add(b, gpr_hexdump((char *)GPR_SLICE_START_PTR(md->value->slice),
-                                GPR_SLICE_LENGTH(md->value->slice),
-                                GPR_HEXDUMP_PLAINTEXT));
+  gpr_strvec_add(
+      b, gpr_dump_slice(md->value->slice, GPR_DUMP_HEX | GPR_DUMP_ASCII));
 }
 
 static void put_metadata_list(gpr_strvec *b, grpc_metadata_batch md) {
diff --git a/test/core/bad_client/bad_client.c b/test/core/bad_client/bad_client.c
index e9adcf34c7..2590d4dc4b 100644
--- a/test/core/bad_client/bad_client.c
+++ b/test/core/bad_client/bad_client.c
@@ -83,8 +83,8 @@ void grpc_run_bad_client_test(grpc_bad_client_server_side_validator validator,
   gpr_slice slice =
       gpr_slice_from_copied_buffer(client_payload, client_payload_length);
 
-  hex =
-      gpr_hexdump(client_payload, client_payload_length, GPR_HEXDUMP_PLAINTEXT);
+  hex = gpr_dump(client_payload, client_payload_length,
+                 GPR_DUMP_HEX | GPR_DUMP_ASCII);
 
   /* Add a debug log */
   gpr_log(GPR_INFO, "TEST: %s", hex);
diff --git a/test/core/support/slice_test.c b/test/core/support/slice_test.c
index 3f6522f8bf..3ca87427dd 100644
--- a/test/core/support/slice_test.c
+++ b/test/core/support/slice_test.c
@@ -212,33 +212,6 @@ static void test_slice_from_copied_string_works(void) {
   gpr_slice_unref(slice);
 }
 
-static void test_slice_to_cstring_works(void) {
-  static const char *text = "HELLO WORLD!";
-  static const char *long_text =
-      "It was a bright cold day in April, and the clocks were striking "
-      "thirteen. Winston Smith, his chin nuzzled into his breast in an effort "
-      "to escape the vile wind, slipped quickly through the glass doors of "
-      "Victory Mansions, though not quickly enough to prevent a swirl of "
-      "gritty dust from entering along with him.";
-  gpr_slice slice;
-  char *text2;
-  char *long_text2;
-
-  LOG_TEST_NAME("test_slice_to_cstring_works");
-
-  slice = gpr_slice_from_copied_string(text);
-  text2 = gpr_slice_to_cstring(slice);
-  GPR_ASSERT(strcmp(text, text2) == 0);
-  gpr_free(text2);
-  gpr_slice_unref(slice);
-
-  slice = gpr_slice_from_copied_string(long_text);
-  long_text2 = gpr_slice_to_cstring(slice);
-  GPR_ASSERT(strcmp(long_text, long_text2) == 0);
-  gpr_free(long_text2);
-  gpr_slice_unref(slice);
-}
-
 int main(int argc, char **argv) {
   unsigned length;
   grpc_test_init(argc, argv);
@@ -251,6 +224,5 @@ int main(int argc, char **argv) {
     test_slice_split_tail_works(length);
   }
   test_slice_from_copied_string_works();
-  test_slice_to_cstring_works();
   return 0;
 }
diff --git a/test/core/support/string_test.c b/test/core/support/string_test.c
index b59082eecf..f04e72ac2b 100644
--- a/test/core/support/string_test.c
+++ b/test/core/support/string_test.c
@@ -58,21 +58,49 @@ static void test_strdup(void) {
   GPR_ASSERT(NULL == gpr_strdup(NULL));
 }
 
-static void expect_hexdump(const char *buf, size_t len, gpr_uint32 flags,
-                           const char *result) {
-  char *got = gpr_hexdump(buf, len, flags);
+static void expect_dump(const char *buf, size_t len, gpr_uint32 flags,
+                        const char *result) {
+  char *got = gpr_dump(buf, len, flags);
   GPR_ASSERT(0 == strcmp(got, result));
   gpr_free(got);
 }
 
-static void test_hexdump(void) {
-  LOG_TEST_NAME("test_hexdump");
-  expect_hexdump("\x01", 1, 0, "01");
-  expect_hexdump("\x01", 1, GPR_HEXDUMP_PLAINTEXT, "01 '.'");
-  expect_hexdump("\x01\x02", 2, 0, "01 02");
-  expect_hexdump("\x01\x23\x45\x67\x89\xab\xcd\xef", 8, 0,
+static void test_dump(void) {
+  LOG_TEST_NAME("test_dump");
+  expect_dump("\x01", 1, GPR_DUMP_HEX, "01");
+  expect_dump("\x01", 1, GPR_DUMP_HEX | GPR_DUMP_ASCII, "01 '.'");
+  expect_dump("\x01\x02", 2, GPR_DUMP_HEX, "01 02");
+  expect_dump("\x01\x23\x45\x67\x89\xab\xcd\xef", 8, GPR_DUMP_HEX,
                  "01 23 45 67 89 ab cd ef");
-  expect_hexdump("ab", 2, GPR_HEXDUMP_PLAINTEXT, "61 62 'ab'");
+  expect_dump("ab", 2, GPR_DUMP_HEX | GPR_DUMP_ASCII, "61 62 'ab'");
+}
+
+static void expect_slice_dump(gpr_slice slice, gpr_uint32 flags,
+                              const char *result) {
+  char *got = gpr_dump_slice(slice, flags);
+  GPR_ASSERT(0 == strcmp(got, result));
+  gpr_free(got);
+  gpr_slice_unref(slice);
+}
+
+static void test_dump_slice(void) {
+  static const char *text = "HELLO WORLD!";
+  static const char *long_text =
+      "It was a bright cold day in April, and the clocks were striking "
+      "thirteen. Winston Smith, his chin nuzzled into his breast in an effort "
+      "to escape the vile wind, slipped quickly through the glass doors of "
+      "Victory Mansions, though not quickly enough to prevent a swirl of "
+      "gritty dust from entering along with him.";
+
+  LOG_TEST_NAME("test_dump_slice");
+
+  expect_slice_dump(gpr_slice_from_copied_string(text), GPR_DUMP_ASCII, text);
+  expect_slice_dump(gpr_slice_from_copied_string(long_text), GPR_DUMP_ASCII,
+                    long_text);
+  expect_slice_dump(gpr_slice_from_copied_buffer("\x01", 1), GPR_DUMP_HEX,
+                    "01");
+  expect_slice_dump(gpr_slice_from_copied_buffer("\x01", 1),
+                    GPR_DUMP_HEX | GPR_DUMP_ASCII, "01 '.'");
 }
 
 static void test_pu32_fail(const char *s) {
@@ -148,7 +176,8 @@ static void test_asprintf(void) {
 int main(int argc, char **argv) {
   grpc_test_init(argc, argv);
   test_strdup();
-  test_hexdump();
+  test_dump();
+  test_dump_slice();
   test_parse_uint32();
   test_asprintf();
   return 0;
diff --git a/test/core/transport/chttp2/bin_encoder_test.c b/test/core/transport/chttp2/bin_encoder_test.c
index 983eaf5a0d..1ffd8ed3cb 100644
--- a/test/core/transport/chttp2/bin_encoder_test.c
+++ b/test/core/transport/chttp2/bin_encoder_test.c
@@ -44,10 +44,8 @@ static int all_ok = 1;
 static void expect_slice_eq(gpr_slice expected, gpr_slice slice, char *debug,
                             int line) {
   if (0 != gpr_slice_cmp(slice, expected)) {
-    char *hs = gpr_hexdump((const char *)GPR_SLICE_START_PTR(slice),
-                           GPR_SLICE_LENGTH(slice), GPR_HEXDUMP_PLAINTEXT);
-    char *he = gpr_hexdump((const char *)GPR_SLICE_START_PTR(expected),
-                           GPR_SLICE_LENGTH(expected), GPR_HEXDUMP_PLAINTEXT);
+    char *hs = gpr_dump_slice(slice, GPR_DUMP_HEX | GPR_DUMP_ASCII);
+    char *he = gpr_dump_slice(expected, GPR_DUMP_HEX | GPR_DUMP_ASCII);
     gpr_log(GPR_ERROR, "FAILED:%d: %s\ngot:  %s\nwant: %s", line, debug, hs,
             he);
     gpr_free(hs);
@@ -83,12 +81,9 @@ static void expect_combined_equiv(const char *s, size_t len, int line) {
   gpr_slice expect = grpc_chttp2_huffman_compress(base64);
   gpr_slice got = grpc_chttp2_base64_encode_and_huffman_compress(input);
   if (0 != gpr_slice_cmp(expect, got)) {
-    char *t = gpr_hexdump((const char *)GPR_SLICE_START_PTR(input),
-                          GPR_SLICE_LENGTH(input), GPR_HEXDUMP_PLAINTEXT);
-    char *e = gpr_hexdump((const char *)GPR_SLICE_START_PTR(expect),
-                          GPR_SLICE_LENGTH(expect), GPR_HEXDUMP_PLAINTEXT);
-    char *g = gpr_hexdump((const char *)GPR_SLICE_START_PTR(got),
-                          GPR_SLICE_LENGTH(got), GPR_HEXDUMP_PLAINTEXT);
+    char *t = gpr_dump_slice(input, GPR_DUMP_HEX | GPR_DUMP_ASCII);
+    char *e = gpr_dump_slice(expect, GPR_DUMP_HEX | GPR_DUMP_ASCII);
+    char *g = gpr_dump_slice(got, GPR_DUMP_HEX | GPR_DUMP_ASCII);
     gpr_log(GPR_ERROR, "FAILED:%d:\ntest: %s\ngot:  %s\nwant: %s", t, g, e);
     gpr_free(t);
     gpr_free(e);
diff --git a/test/core/transport/chttp2/stream_encoder_test.c b/test/core/transport/chttp2/stream_encoder_test.c
index bf70d43e78..6f2ea274fe 100644
--- a/test/core/transport/chttp2/stream_encoder_test.c
+++ b/test/core/transport/chttp2/stream_encoder_test.c
@@ -85,12 +85,8 @@ static void verify_sopb(size_t window_available, int eof,
   grpc_sopb_destroy(&encops);
 
   if (0 != gpr_slice_cmp(merged, expect)) {
-    char *expect_str =
-        gpr_hexdump((char *)GPR_SLICE_START_PTR(expect),
-                    GPR_SLICE_LENGTH(expect), GPR_HEXDUMP_PLAINTEXT);
-    char *got_str =
-        gpr_hexdump((char *)GPR_SLICE_START_PTR(merged),
-                    GPR_SLICE_LENGTH(merged), GPR_HEXDUMP_PLAINTEXT);
+    char *expect_str = gpr_dump_slice(expect, GPR_DUMP_HEX | GPR_DUMP_ASCII);
+    char *got_str = gpr_dump_slice(merged, GPR_DUMP_HEX | GPR_DUMP_ASCII);
     gpr_log(GPR_ERROR, "mismatched output for %s", expected);
     gpr_log(GPR_ERROR, "EXPECT: %s", expect_str);
     gpr_log(GPR_ERROR, "GOT:    %s", got_str);
-- 
cgit v1.2.3


From be1a499c8b756347f2b531e635832613757c319d Mon Sep 17 00:00:00 2001
From: Julien Boeuf <jboeuf@google.com>
Date: Mon, 29 Jun 2015 22:10:32 +0200
Subject: Fixing build after sync with upstream.

---
 src/core/transport/chttp2_transport.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/core')

diff --git a/src/core/transport/chttp2_transport.c b/src/core/transport/chttp2_transport.c
index 94659a6bdf..21d65cd3aa 100644
--- a/src/core/transport/chttp2_transport.c
+++ b/src/core/transport/chttp2_transport.c
@@ -552,7 +552,8 @@ static void writing_action(void *gt, int iomgr_success_ignored) {
 void grpc_chttp2_add_incoming_goaway(
     grpc_chttp2_transport_global *transport_global, gpr_uint32 goaway_error,
     gpr_slice goaway_text) {
-  char *msg = gpr_hexdump((char*)GPR_SLICE_START_PTR(goaway_text), GPR_SLICE_LENGTH(goaway_text), GPR_HEXDUMP_PLAINTEXT);
+  char *msg = gpr_dump_slice(goaway_text, GPR_DUMP_ASCII);
+  gpr_log(GPR_DEBUG, "got goaway [%d]: %s", goaway_error, msg);
   gpr_free(msg);
   if (transport_global->goaway_state == GRPC_CHTTP2_ERROR_STATE_NONE) {
     transport_global->goaway_state = GRPC_CHTTP2_ERROR_STATE_SEEN;
-- 
cgit v1.2.3


From feca1bf06cf6ffd8d45b86c1c51f798bad9c52f4 Mon Sep 17 00:00:00 2001
From: Julien Boeuf <jboeuf@google.com>
Date: Mon, 22 Jun 2015 16:46:20 +0200
Subject: Adding JWT verifier.

Still missing:
- Caching of the already checked JWTs (although it could be done at an
  upper layer).
- Caching of the jwks_uri to avoid 2 roundtrips for each verification.
---
 BUILD                                              |   4 +
 Makefile                                           |  68 +-
 build.json                                         |  30 +
 gRPC.podspec                                       |   3 +
 src/core/httpcli/httpcli.h                         |   4 +-
 src/core/security/base64.c                         |   6 +-
 src/core/security/base64.h                         |   4 +
 src/core/security/credentials.c                    |   3 +-
 src/core/security/jwt_verifier.c                   | 830 +++++++++++++++++++++
 src/core/security/jwt_verifier.h                   | 136 ++++
 test/core/security/jwt_verifier_test.c             | 565 ++++++++++++++
 .../security/print_google_default_creds_token.c    |   4 +-
 test/core/security/verify_jwt.c                    | 119 +++
 tools/doxygen/Doxyfile.core.internal               |   2 +
 tools/run_tests/sources_and_headers.json           |  31 +
 tools/run_tests/tests.json                         |   9 +
 vsprojects/Grpc.mak                                |  16 +-
 vsprojects/grpc/grpc.vcxproj                       |   3 +
 vsprojects/grpc/grpc.vcxproj.filters               |   6 +
 19 files changed, 1832 insertions(+), 11 deletions(-)
 create mode 100644 src/core/security/jwt_verifier.c
 create mode 100644 src/core/security/jwt_verifier.h
 create mode 100644 test/core/security/jwt_verifier_test.c
 create mode 100644 test/core/security/verify_jwt.c

(limited to 'src/core')

diff --git a/BUILD b/BUILD
index 934146f57e..37caa6d830 100644
--- a/BUILD
+++ b/BUILD
@@ -138,6 +138,7 @@ cc_library(
     "src/core/security/base64.h",
     "src/core/security/credentials.h",
     "src/core/security/json_token.h",
+    "src/core/security/jwt_verifier.h",
     "src/core/security/secure_endpoint.h",
     "src/core/security/secure_transport_setup.h",
     "src/core/security/security_connector.h",
@@ -244,6 +245,7 @@ cc_library(
     "src/core/security/credentials_win32.c",
     "src/core/security/google_default_credentials.c",
     "src/core/security/json_token.c",
+    "src/core/security/jwt_verifier.c",
     "src/core/security/secure_endpoint.c",
     "src/core/security/secure_transport_setup.c",
     "src/core/security/security_connector.c",
@@ -906,6 +908,7 @@ objc_library(
     "src/core/security/credentials_win32.c",
     "src/core/security/google_default_credentials.c",
     "src/core/security/json_token.c",
+    "src/core/security/jwt_verifier.c",
     "src/core/security/secure_endpoint.c",
     "src/core/security/secure_transport_setup.c",
     "src/core/security/security_connector.c",
@@ -1033,6 +1036,7 @@ objc_library(
     "src/core/security/base64.h",
     "src/core/security/credentials.h",
     "src/core/security/json_token.h",
+    "src/core/security/jwt_verifier.h",
     "src/core/security/secure_endpoint.h",
     "src/core/security/secure_transport_setup.h",
     "src/core/security/security_connector.h",
diff --git a/Makefile b/Makefile
index 1d796b4198..9889ecc2cd 100644
--- a/Makefile
+++ b/Makefile
@@ -633,9 +633,11 @@ grpc_create_jwt: $(BINDIR)/$(CONFIG)/grpc_create_jwt
 grpc_credentials_test: $(BINDIR)/$(CONFIG)/grpc_credentials_test
 grpc_fetch_oauth2: $(BINDIR)/$(CONFIG)/grpc_fetch_oauth2
 grpc_json_token_test: $(BINDIR)/$(CONFIG)/grpc_json_token_test
+grpc_jwt_verifier_test: $(BINDIR)/$(CONFIG)/grpc_jwt_verifier_test
 grpc_print_google_default_creds_token: $(BINDIR)/$(CONFIG)/grpc_print_google_default_creds_token
 grpc_security_connector_test: $(BINDIR)/$(CONFIG)/grpc_security_connector_test
 grpc_stream_op_test: $(BINDIR)/$(CONFIG)/grpc_stream_op_test
+grpc_verify_jwt: $(BINDIR)/$(CONFIG)/grpc_verify_jwt
 hpack_parser_test: $(BINDIR)/$(CONFIG)/hpack_parser_test
 hpack_table_test: $(BINDIR)/$(CONFIG)/hpack_table_test
 httpcli_format_request_test: $(BINDIR)/$(CONFIG)/httpcli_format_request_test
@@ -1265,7 +1267,7 @@ privatelibs_cxx:  $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a $(LIBDIR)/$(CONFIG
 
 buildtests: buildtests_c buildtests_cxx
 
-buildtests_c: privatelibs_c $(BINDIR)/$(CONFIG)/alarm_heap_test $(BINDIR)/$(CONFIG)/alarm_list_test $(BINDIR)/$(CONFIG)/alarm_test $(BINDIR)/$(CONFIG)/alpn_test $(BINDIR)/$(CONFIG)/bin_encoder_test $(BINDIR)/$(CONFIG)/chttp2_status_conversion_test $(BINDIR)/$(CONFIG)/chttp2_stream_encoder_test $(BINDIR)/$(CONFIG)/chttp2_stream_map_test $(BINDIR)/$(CONFIG)/dualstack_socket_test $(BINDIR)/$(CONFIG)/fd_posix_test $(BINDIR)/$(CONFIG)/fling_client $(BINDIR)/$(CONFIG)/fling_server $(BINDIR)/$(CONFIG)/fling_stream_test $(BINDIR)/$(CONFIG)/fling_test $(BINDIR)/$(CONFIG)/gpr_cancellable_test $(BINDIR)/$(CONFIG)/gpr_cmdline_test $(BINDIR)/$(CONFIG)/gpr_env_test $(BINDIR)/$(CONFIG)/gpr_file_test $(BINDIR)/$(CONFIG)/gpr_histogram_test $(BINDIR)/$(CONFIG)/gpr_host_port_test $(BINDIR)/$(CONFIG)/gpr_log_test $(BINDIR)/$(CONFIG)/gpr_slice_buffer_test $(BINDIR)/$(CONFIG)/gpr_slice_test $(BINDIR)/$(CONFIG)/gpr_string_test $(BINDIR)/$(CONFIG)/gpr_sync_test $(BINDIR)/$(CONFIG)/gpr_thd_test $(BINDIR)/$(CONFIG)/gpr_time_test $(BINDIR)/$(CONFIG)/gpr_tls_test $(BINDIR)/$(CONFIG)/gpr_useful_test $(BINDIR)/$(CONFIG)/grpc_auth_context_test $(BINDIR)/$(CONFIG)/grpc_base64_test $(BINDIR)/$(CONFIG)/grpc_byte_buffer_reader_test $(BINDIR)/$(CONFIG)/grpc_channel_stack_test $(BINDIR)/$(CONFIG)/grpc_completion_queue_test $(BINDIR)/$(CONFIG)/grpc_credentials_test $(BINDIR)/$(CONFIG)/grpc_json_token_test $(BINDIR)/$(CONFIG)/grpc_security_connector_test $(BINDIR)/$(CONFIG)/grpc_stream_op_test $(BINDIR)/$(CONFIG)/hpack_parser_test $(BINDIR)/$(CONFIG)/hpack_table_test $(BINDIR)/$(CONFIG)/httpcli_format_request_test $(BINDIR)/$(CONFIG)/httpcli_parser_test $(BINDIR)/$(CONFIG)/httpcli_test $(BINDIR)/$(CONFIG)/json_rewrite $(BINDIR)/$(CONFIG)/json_rewrite_test $(BINDIR)/$(CONFIG)/json_test $(BINDIR)/$(CONFIG)/lame_client_test $(BINDIR)/$(CONFIG)/message_compress_test $(BINDIR)/$(CONFIG)/multi_init_test $(BINDIR)/$(CONFIG)/murmur_hash_test $(BINDIR)/$(CONFIG)/no_server_test $(BINDIR)/$(CONFIG)/poll_kick_posix_test $(BINDIR)/$(CONFIG)/resolve_address_test $(BINDIR)/$(CONFIG)/secure_endpoint_test $(BINDIR)/$(CONFIG)/sockaddr_utils_test $(BINDIR)/$(CONFIG)/tcp_client_posix_test $(BINDIR)/$(CONFIG)/tcp_posix_test $(BINDIR)/$(CONFIG)/tcp_server_posix_test $(BINDIR)/$(CONFIG)/time_averaged_stats_test $(BINDIR)/$(CONFIG)/time_test $(BINDIR)/$(CONFIG)/timeout_encoding_test $(BINDIR)/$(CONFIG)/timers_test $(BINDIR)/$(CONFIG)/transport_metadata_test $(BINDIR)/$(CONFIG)/transport_security_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_bad_hostname_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_cancel_after_accept_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_cancel_after_accept_and_writes_closed_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_cancel_after_invoke_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_cancel_before_invoke_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_cancel_in_a_vacuum_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_census_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_disappearing_server_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_early_server_shutdown_finishes_inflight_calls_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_early_server_shutdown_finishes_tags_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_empty_batch_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_graceful_server_shutdown_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_invoke_large_request_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_max_concurrent_streams_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_max_message_length_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_no_op_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_ping_pong_streaming_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_registered_call_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_response_with_binary_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_response_with_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_response_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_response_with_payload_and_call_creds_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_response_with_trailing_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_with_flags_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_with_large_metadata_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_server_finishes_request_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_simple_delayed_request_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_simple_request_with_high_initial_sequence_number_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_bad_hostname_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_cancel_after_accept_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_cancel_after_accept_and_writes_closed_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_cancel_after_invoke_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_cancel_before_invoke_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_cancel_in_a_vacuum_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_census_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_disappearing_server_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_early_server_shutdown_finishes_inflight_calls_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_early_server_shutdown_finishes_tags_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_empty_batch_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_graceful_server_shutdown_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_invoke_large_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_max_concurrent_streams_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_max_message_length_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_no_op_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_ping_pong_streaming_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_registered_call_test 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$(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_inflight_calls_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_tags_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_empty_batch_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_graceful_server_shutdown_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_invoke_large_request_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_max_concurrent_streams_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_max_message_length_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_no_op_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_ping_pong_streaming_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_registered_call_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_binary_metadata_and_payload_test 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$(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_simple_request_with_high_initial_sequence_number_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_bad_hostname_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_cancel_after_accept_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_cancel_after_accept_and_writes_closed_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_cancel_after_invoke_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_cancel_before_invoke_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_cancel_in_a_vacuum_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_census_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_disappearing_server_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_early_server_shutdown_finishes_inflight_calls_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_early_server_shutdown_finishes_tags_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_empty_batch_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_graceful_server_shutdown_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_invoke_large_request_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_max_concurrent_streams_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_max_message_length_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_no_op_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_ping_pong_streaming_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_registered_call_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_response_with_binary_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_response_with_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_response_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_response_with_payload_and_call_creds_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_with_flags_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_server_finishes_request_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_simple_delayed_request_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_simple_request_with_high_initial_sequence_number_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_bad_hostname_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_cancel_after_accept_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_cancel_after_accept_and_writes_closed_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_cancel_after_invoke_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_cancel_before_invoke_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_cancel_in_a_vacuum_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_census_simple_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_disappearing_server_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_early_server_shutdown_finishes_inflight_calls_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_early_server_shutdown_finishes_tags_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_empty_batch_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_graceful_server_shutdown_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_invoke_large_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_max_concurrent_streams_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_max_message_length_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_no_op_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_ping_pong_streaming_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_registered_call_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_binary_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_trailing_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_flags_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_large_metadata_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_server_finishes_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_simple_delayed_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_simple_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_simple_request_with_high_initial_sequence_number_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_bad_hostname_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_cancel_after_accept_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_cancel_after_accept_and_writes_closed_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_cancel_after_invoke_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_cancel_before_invoke_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_cancel_in_a_vacuum_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_census_simple_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_disappearing_server_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_early_server_shutdown_finishes_inflight_calls_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_early_server_shutdown_finishes_tags_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_empty_batch_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_graceful_server_shutdown_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_invoke_large_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_max_concurrent_streams_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_max_message_length_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_no_op_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_ping_pong_streaming_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_registered_call_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_response_with_binary_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_response_with_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_response_with_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_response_with_trailing_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_with_flags_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_with_large_metadata_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_with_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_server_finishes_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_simple_delayed_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_simple_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_simple_request_with_high_initial_sequence_number_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_bad_hostname_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_cancel_after_accept_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_cancel_after_accept_and_writes_closed_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_cancel_after_invoke_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_cancel_before_invoke_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_cancel_in_a_vacuum_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_census_simple_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_disappearing_server_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_early_server_shutdown_finishes_inflight_calls_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_early_server_shutdown_finishes_tags_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_empty_batch_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_graceful_server_shutdown_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_invoke_large_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_max_concurrent_streams_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_max_message_length_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_no_op_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_ping_pong_streaming_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_registered_call_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_response_with_binary_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_response_with_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_response_with_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_response_with_trailing_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_with_flags_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_with_large_metadata_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_with_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_server_finishes_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_simple_delayed_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_simple_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_simple_request_with_high_initial_sequence_number_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_bad_hostname_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_cancel_after_accept_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_cancel_after_accept_and_writes_closed_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_cancel_after_invoke_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_cancel_before_invoke_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_cancel_in_a_vacuum_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_census_simple_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_disappearing_server_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_early_server_shutdown_finishes_inflight_calls_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_early_server_shutdown_finishes_tags_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_empty_batch_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_graceful_server_shutdown_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_invoke_large_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_max_concurrent_streams_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_max_message_length_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_no_op_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_ping_pong_streaming_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_registered_call_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_binary_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_flags_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_large_metadata_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_server_finishes_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_simple_delayed_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_simple_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_simple_request_with_high_initial_sequence_number_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_bad_hostname_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_and_writes_closed_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_after_invoke_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_before_invoke_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_in_a_vacuum_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_census_simple_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_disappearing_server_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_inflight_calls_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_tags_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_empty_batch_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_graceful_server_shutdown_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_invoke_large_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_max_concurrent_streams_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_max_message_length_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_no_op_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_ping_pong_streaming_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_registered_call_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_binary_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_flags_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_server_finishes_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_simple_delayed_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_simple_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_simple_request_with_high_initial_sequence_number_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_bad_hostname_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_cancel_after_accept_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_cancel_after_accept_and_writes_closed_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_cancel_after_invoke_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_cancel_before_invoke_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_cancel_in_a_vacuum_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_census_simple_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_disappearing_server_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_early_server_shutdown_finishes_inflight_calls_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_early_server_shutdown_finishes_tags_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_empty_batch_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_graceful_server_shutdown_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_invoke_large_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_max_concurrent_streams_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_max_message_length_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_no_op_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_ping_pong_streaming_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_registered_call_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_response_with_binary_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_response_with_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_response_with_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_with_flags_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_with_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_server_finishes_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_simple_delayed_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_simple_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_simple_request_with_high_initial_sequence_number_unsecure_test $(BINDIR)/$(CONFIG)/connection_prefix_bad_client_test $(BINDIR)/$(CONFIG)/initial_settings_frame_bad_client_test
 
 buildtests_cxx: privatelibs_cxx $(BINDIR)/$(CONFIG)/async_end2end_test $(BINDIR)/$(CONFIG)/async_streaming_ping_pong_test $(BINDIR)/$(CONFIG)/async_unary_ping_pong_test $(BINDIR)/$(CONFIG)/channel_arguments_test $(BINDIR)/$(CONFIG)/cli_call_test $(BINDIR)/$(CONFIG)/client_crash_test $(BINDIR)/$(CONFIG)/client_crash_test_server $(BINDIR)/$(CONFIG)/credentials_test $(BINDIR)/$(CONFIG)/cxx_byte_buffer_test $(BINDIR)/$(CONFIG)/cxx_slice_test $(BINDIR)/$(CONFIG)/cxx_time_test $(BINDIR)/$(CONFIG)/end2end_test $(BINDIR)/$(CONFIG)/generic_end2end_test $(BINDIR)/$(CONFIG)/grpc_cli $(BINDIR)/$(CONFIG)/interop_client $(BINDIR)/$(CONFIG)/interop_server $(BINDIR)/$(CONFIG)/interop_test $(BINDIR)/$(CONFIG)/mock_test $(BINDIR)/$(CONFIG)/qps_interarrival_test $(BINDIR)/$(CONFIG)/qps_test $(BINDIR)/$(CONFIG)/qps_test_openloop $(BINDIR)/$(CONFIG)/server_crash_test $(BINDIR)/$(CONFIG)/server_crash_test_client $(BINDIR)/$(CONFIG)/status_test $(BINDIR)/$(CONFIG)/sync_streaming_ping_pong_test $(BINDIR)/$(CONFIG)/sync_unary_ping_pong_test $(BINDIR)/$(CONFIG)/thread_pool_test $(BINDIR)/$(CONFIG)/thread_stress_test
 
@@ -1342,6 +1344,8 @@ test_c: buildtests_c
 	$(Q) $(BINDIR)/$(CONFIG)/grpc_credentials_test || ( echo test grpc_credentials_test failed ; exit 1 )
 	$(E) "[RUN]     Testing grpc_json_token_test"
 	$(Q) $(BINDIR)/$(CONFIG)/grpc_json_token_test || ( echo test grpc_json_token_test failed ; exit 1 )
+	$(E) "[RUN]     Testing grpc_jwt_verifier_test"
+	$(Q) $(BINDIR)/$(CONFIG)/grpc_jwt_verifier_test || ( echo test grpc_jwt_verifier_test failed ; exit 1 )
 	$(E) "[RUN]     Testing grpc_security_connector_test"
 	$(Q) $(BINDIR)/$(CONFIG)/grpc_security_connector_test || ( echo test grpc_security_connector_test failed ; exit 1 )
 	$(E) "[RUN]     Testing grpc_stream_op_test"
@@ -2411,7 +2415,7 @@ test_python: static_c
 tools: tools_c tools_cxx
 
 
-tools_c: privatelibs_c $(BINDIR)/$(CONFIG)/gen_hpack_tables $(BINDIR)/$(CONFIG)/grpc_create_jwt $(BINDIR)/$(CONFIG)/grpc_fetch_oauth2 $(BINDIR)/$(CONFIG)/grpc_print_google_default_creds_token
+tools_c: privatelibs_c $(BINDIR)/$(CONFIG)/gen_hpack_tables $(BINDIR)/$(CONFIG)/grpc_create_jwt $(BINDIR)/$(CONFIG)/grpc_fetch_oauth2 $(BINDIR)/$(CONFIG)/grpc_print_google_default_creds_token $(BINDIR)/$(CONFIG)/grpc_verify_jwt
 
 tools_cxx: privatelibs_cxx
 
@@ -2999,6 +3003,7 @@ LIBGRPC_SRC = \
     src/core/security/credentials_win32.c \
     src/core/security/google_default_credentials.c \
     src/core/security/json_token.c \
+    src/core/security/jwt_verifier.c \
     src/core/security/secure_endpoint.c \
     src/core/security/secure_transport_setup.c \
     src/core/security/security_connector.c \
@@ -6377,6 +6382,35 @@ endif
 endif
 
 
+GRPC_JWT_VERIFIER_TEST_SRC = \
+    test/core/security/jwt_verifier_test.c \
+
+GRPC_JWT_VERIFIER_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(GRPC_JWT_VERIFIER_TEST_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL with ALPN.
+
+$(BINDIR)/$(CONFIG)/grpc_jwt_verifier_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/grpc_jwt_verifier_test: $(GRPC_JWT_VERIFIER_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(GRPC_JWT_VERIFIER_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/grpc_jwt_verifier_test
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/security/jwt_verifier_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+deps_grpc_jwt_verifier_test: $(GRPC_JWT_VERIFIER_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(GRPC_JWT_VERIFIER_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
 GRPC_PRINT_GOOGLE_DEFAULT_CREDS_TOKEN_SRC = \
     test/core/security/print_google_default_creds_token.c \
 
@@ -6464,6 +6498,35 @@ endif
 endif
 
 
+GRPC_VERIFY_JWT_SRC = \
+    test/core/security/verify_jwt.c \
+
+GRPC_VERIFY_JWT_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(GRPC_VERIFY_JWT_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL with ALPN.
+
+$(BINDIR)/$(CONFIG)/grpc_verify_jwt: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/grpc_verify_jwt: $(GRPC_VERIFY_JWT_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(GRPC_VERIFY_JWT_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/grpc_verify_jwt
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/security/verify_jwt.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+deps_grpc_verify_jwt: $(GRPC_VERIFY_JWT_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(GRPC_VERIFY_JWT_OBJS:.o=.dep)
+endif
+endif
+
+
 HPACK_PARSER_TEST_SRC = \
     test/core/transport/chttp2/hpack_parser_test.c \
 
@@ -15531,6 +15594,7 @@ src/core/security/credentials_posix.c: $(OPENSSL_DEP)
 src/core/security/credentials_win32.c: $(OPENSSL_DEP)
 src/core/security/google_default_credentials.c: $(OPENSSL_DEP)
 src/core/security/json_token.c: $(OPENSSL_DEP)
+src/core/security/jwt_verifier.c: $(OPENSSL_DEP)
 src/core/security/secure_endpoint.c: $(OPENSSL_DEP)
 src/core/security/secure_transport_setup.c: $(OPENSSL_DEP)
 src/core/security/security_connector.c: $(OPENSSL_DEP)
diff --git a/build.json b/build.json
index 8a9895d52b..636b661592 100644
--- a/build.json
+++ b/build.json
@@ -431,6 +431,7 @@
         "src/core/security/base64.h",
         "src/core/security/credentials.h",
         "src/core/security/json_token.h",
+        "src/core/security/jwt_verifier.h",
         "src/core/security/secure_endpoint.h",
         "src/core/security/secure_transport_setup.h",
         "src/core/security/security_connector.h",
@@ -453,6 +454,7 @@
         "src/core/security/credentials_win32.c",
         "src/core/security/google_default_credentials.c",
         "src/core/security/json_token.c",
+        "src/core/security/jwt_verifier.c",
         "src/core/security/secure_endpoint.c",
         "src/core/security/secure_transport_setup.c",
         "src/core/security/security_connector.c",
@@ -1316,6 +1318,20 @@
         "gpr"
       ]
     },
+    {
+      "name": "grpc_jwt_verifier_test",
+      "build": "test",
+      "language": "c",
+      "src": [
+        "test/core/security/jwt_verifier_test.c"
+      ],
+      "deps": [
+        "grpc_test_util",
+        "grpc",
+        "gpr_test_util",
+        "gpr"
+      ]
+    },
     {
       "name": "grpc_print_google_default_creds_token",
       "build": "tool",
@@ -1358,6 +1374,20 @@
         "gpr"
       ]
     },
+    {
+      "name": "grpc_verify_jwt",
+      "build": "tool",
+      "language": "c",
+      "src": [
+        "test/core/security/verify_jwt.c"
+      ],
+      "deps": [
+        "grpc_test_util",
+        "grpc",
+        "gpr_test_util",
+        "gpr"
+      ]
+    },
     {
       "name": "hpack_parser_test",
       "build": "test",
diff --git a/gRPC.podspec b/gRPC.podspec
index 1a4dfd4c9a..a807e13c95 100644
--- a/gRPC.podspec
+++ b/gRPC.podspec
@@ -140,6 +140,7 @@ Pod::Spec.new do |s|
                       'src/core/security/base64.h',
                       'src/core/security/credentials.h',
                       'src/core/security/json_token.h',
+                      'src/core/security/jwt_verifier.h',
                       'src/core/security/secure_endpoint.h',
                       'src/core/security/secure_transport_setup.h',
                       'src/core/security/security_connector.h',
@@ -253,6 +254,7 @@ Pod::Spec.new do |s|
                       'src/core/security/credentials_win32.c',
                       'src/core/security/google_default_credentials.c',
                       'src/core/security/json_token.c',
+                      'src/core/security/jwt_verifier.c',
                       'src/core/security/secure_endpoint.c',
                       'src/core/security/secure_transport_setup.c',
                       'src/core/security/security_connector.c',
@@ -378,6 +380,7 @@ Pod::Spec.new do |s|
                               'src/core/security/base64.h',
                               'src/core/security/credentials.h',
                               'src/core/security/json_token.h',
+                              'src/core/security/jwt_verifier.h',
                               'src/core/security/secure_endpoint.h',
                               'src/core/security/secure_transport_setup.h',
                               'src/core/security/security_connector.h',
diff --git a/src/core/httpcli/httpcli.h b/src/core/httpcli/httpcli.h
index 06699e88c2..ab98178f8a 100644
--- a/src/core/httpcli/httpcli.h
+++ b/src/core/httpcli/httpcli.h
@@ -85,7 +85,7 @@ typedef struct grpc_httpcli_response {
   char *body;
 } grpc_httpcli_response;
 
-/* Callback for grpc_httpcli_get */
+/* Callback for grpc_httpcli_get and grpc_httpcli_post. */
 typedef void (*grpc_httpcli_response_cb)(void *user_data,
                                          const grpc_httpcli_response *response);
 
@@ -100,8 +100,6 @@ void grpc_httpcli_context_destroy(grpc_httpcli_context *context);
    'request' contains request parameters - these are caller owned and can be
      destroyed once the call returns
    'deadline' contains a deadline for the request (or gpr_inf_future)
-   'em' points to a caller owned event manager that must be alive for the
-     lifetime of the request
    'on_response' is a callback to report results to (and 'user_data' is a user
      supplied pointer to pass to said call) */
 void grpc_httpcli_get(grpc_httpcli_context *context, grpc_pollset *pollset,
diff --git a/src/core/security/base64.c b/src/core/security/base64.c
index 3f28c09611..bd0db9c282 100644
--- a/src/core/security/base64.c
+++ b/src/core/security/base64.c
@@ -120,7 +120,11 @@ char *grpc_base64_encode(const void *vdata, size_t data_size, int url_safe,
 }
 
 gpr_slice grpc_base64_decode(const char *b64, int url_safe) {
-  size_t b64_len = strlen(b64);
+  return grpc_base64_decode_with_len(b64, strlen(b64), url_safe);
+}
+
+gpr_slice grpc_base64_decode_with_len(const char *b64, size_t b64_len,
+                                      int url_safe) {
   gpr_slice result = gpr_slice_malloc(b64_len);
   unsigned char *current = GPR_SLICE_START_PTR(result);
   size_t result_size = 0;
diff --git a/src/core/security/base64.h b/src/core/security/base64.h
index 6a7cd8e96c..b9abc07b52 100644
--- a/src/core/security/base64.h
+++ b/src/core/security/base64.h
@@ -45,4 +45,8 @@ char *grpc_base64_encode(const void *data, size_t data_size, int url_safe,
    slice in case of failure. */
 gpr_slice grpc_base64_decode(const char *b64, int url_safe);
 
+/* Same as above except that the length is provided by the caller. */
+gpr_slice grpc_base64_decode_with_len(const char *b64, size_t b64_len,
+                                      int url_safe);
+
 #endif  /* GRPC_INTERNAL_CORE_SECURITY_BASE64_H */
diff --git a/src/core/security/credentials.c b/src/core/security/credentials.c
index cf663faf2d..c3c3e8fe01 100644
--- a/src/core/security/credentials.c
+++ b/src/core/security/credentials.c
@@ -461,7 +461,6 @@ typedef struct {
   grpc_credentials_md_store *access_token_md;
   gpr_timespec token_expiration;
   grpc_httpcli_context httpcli_context;
-  grpc_pollset_set pollset_set;
   grpc_fetch_oauth2_func fetch_func;
 } grpc_oauth2_token_fetcher_credentials;
 
@@ -635,7 +634,7 @@ static void init_oauth2_token_fetcher(grpc_oauth2_token_fetcher_credentials *c,
   gpr_mu_init(&c->mu);
   c->token_expiration = gpr_inf_past;
   c->fetch_func = fetch_func;
-  grpc_pollset_set_init(&c->pollset_set);
+  grpc_httpcli_context_init(&c->httpcli_context);
 }
 
 /* -- ComputeEngine credentials. -- */
diff --git a/src/core/security/jwt_verifier.c b/src/core/security/jwt_verifier.c
new file mode 100644
index 0000000000..01007a1a84
--- /dev/null
+++ b/src/core/security/jwt_verifier.c
@@ -0,0 +1,830 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimser.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimser
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/security/jwt_verifier.h"
+
+#include <string.h>
+
+#include "src/core/httpcli/httpcli.h"
+#include "src/core/security/base64.h"
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
+#include <grpc/support/sync.h>
+#include <openssl/pem.h>
+
+/* --- Utils. --- */
+
+const char *grpc_jwt_verifier_status_to_string(
+    grpc_jwt_verifier_status status) {
+  switch (status) {
+    case GRPC_JWT_VERIFIER_OK:
+      return "OK";
+    case GRPC_JWT_VERIFIER_BAD_SIGNATURE:
+      return "BAD_SIGNATURE";
+    case GRPC_JWT_VERIFIER_BAD_FORMAT:
+      return "BAD_FORMAT";
+    case GRPC_JWT_VERIFIER_BAD_AUDIENCE:
+      return "BAD_AUDIENCE";
+    case GRPC_JWT_VERIFIER_KEY_RETRIEVAL_ERROR:
+      return "KEY_RETRIEVAL_ERROR";
+    case GRPC_JWT_VERIFIER_TIME_CONSTRAINT_FAILURE:
+      return "TIME_CONSTRAINT_FAILURE";
+    case GRPC_JWT_VERIFIER_GENERIC_ERROR:
+      return "GENERIC_ERROR";
+    default:
+      return "UNKNOWN";
+  }
+}
+
+static const EVP_MD *evp_md_from_alg(const char *alg) {
+  if (strcmp(alg, "RS256") == 0) {
+    return EVP_sha256();
+  } else if (strcmp(alg, "RS384") == 0) {
+    return EVP_sha384();
+  } else if (strcmp(alg, "RS512") == 0) {
+    return EVP_sha512();
+  } else {
+    return NULL;
+  }
+}
+
+static grpc_json *parse_json_part_from_jwt(const char *str, size_t len,
+                                           gpr_slice *buffer) {
+  grpc_json *json;
+
+  *buffer = grpc_base64_decode_with_len(str, len, 1);
+  if (GPR_SLICE_IS_EMPTY(*buffer)) {
+    gpr_log(GPR_ERROR, "Invalid base64.");
+    return NULL;
+  }
+  json = grpc_json_parse_string_with_len((char *)GPR_SLICE_START_PTR(*buffer),
+                                         GPR_SLICE_LENGTH(*buffer));
+  if (json == NULL) {
+    gpr_slice_unref(*buffer);
+    gpr_log(GPR_ERROR, "JSON parsing error.");
+  }
+  return json;
+}
+
+static const char *validate_string_field(const grpc_json *json,
+                                         const char *key) {
+  if (json->type != GRPC_JSON_STRING) {
+    gpr_log(GPR_ERROR, "Invalid %s field [%s]", key, json->value);
+    return NULL;
+  }
+  return json->value;
+}
+
+static gpr_timespec validate_time_field(const grpc_json *json,
+                                        const char *key) {
+  gpr_timespec result = gpr_time_0;
+  if (json->type != GRPC_JSON_NUMBER) {
+    gpr_log(GPR_ERROR, "Invalid %s field [%s]", key, json->value);
+    return result;
+  }
+  result.tv_sec = strtol(json->value, NULL, 10);
+  return result;
+}
+
+/* --- JOSE header. see http://tools.ietf.org/html/rfc7515#section-4 --- */
+
+typedef struct {
+  const char *alg;
+  const char *kid;
+  const char *typ;
+  /* TODO(jboeuf): Add others as needed (jku, jwk, x5u, x5c and so on...). */
+  gpr_slice buffer;
+} jose_header;
+
+static void jose_header_destroy(jose_header *h) {
+  gpr_slice_unref(h->buffer);
+  gpr_free(h);
+}
+
+/* Takes ownership of json and buffer. */
+static jose_header *jose_header_from_json(grpc_json *json, gpr_slice buffer) {
+  grpc_json *cur;
+  jose_header *h = gpr_malloc(sizeof(jose_header));
+  memset(h, 0, sizeof(jose_header));
+  h->buffer = buffer;
+  for (cur = json->child; cur != NULL; cur = cur->next) {
+    if (strcmp(cur->key, "alg") == 0) {
+      /* We only support RSA-1.5 signatures for now.
+         Beware of this if we add HMAC support:
+         https://auth0.com/blog/2015/03/31/critical-vulnerabilities-in-json-web-token-libraries/
+      */
+      if (cur->type != GRPC_JSON_STRING || strncmp(cur->value, "RS", 2) ||
+          evp_md_from_alg(cur->value) == NULL) {
+        gpr_log(GPR_ERROR, "Invalid alg field [%s]", cur->value);
+        goto error;
+      }
+      h->alg = cur->value;
+    } else if (strcmp(cur->key, "typ") == 0) {
+      h->typ = validate_string_field(cur, "typ");
+      if (h->typ == NULL) goto error;
+    } else if (strcmp(cur->key, "kid") == 0) {
+      h->kid = validate_string_field(cur, "kid");
+      if (h->kid == NULL) goto error;
+    }
+  }
+  if (h->alg == NULL) {
+    gpr_log(GPR_ERROR, "Missing alg field.");
+    goto error;
+  }
+  grpc_json_destroy(json);
+  h->buffer = buffer;
+  return h;
+
+error:
+  grpc_json_destroy(json);
+  jose_header_destroy(h);
+  return NULL;
+}
+
+/* --- JWT claims. see http://tools.ietf.org/html/rfc7519#section-4.1 */
+
+struct grpc_jwt_claims {
+  /* Well known properties already parsed. */
+  const char *sub;
+  const char *iss;
+  const char *aud;
+  const char *jti;
+  gpr_timespec iat;
+  gpr_timespec exp;
+  gpr_timespec nbf;
+
+  grpc_json *json;
+  gpr_slice buffer;
+};
+
+
+void grpc_jwt_claims_destroy(grpc_jwt_claims *claims) {
+  grpc_json_destroy(claims->json);
+  gpr_slice_unref(claims->buffer);
+  gpr_free(claims);
+}
+
+const grpc_json *grpc_jwt_claims_json(const grpc_jwt_claims *claims) {
+  if (claims == NULL) return NULL;
+  return claims->json;
+}
+
+const char *grpc_jwt_claims_subject(const grpc_jwt_claims *claims) {
+  if (claims == NULL) return NULL;
+  return claims->sub;
+}
+
+const char *grpc_jwt_claims_issuer(const grpc_jwt_claims *claims) {
+  if (claims == NULL) return NULL;
+  return claims->iss;
+}
+
+const char *grpc_jwt_claims_id(const grpc_jwt_claims *claims) {
+  if (claims == NULL) return NULL;
+  return claims->jti;
+}
+
+const char *grpc_jwt_claims_audience(const grpc_jwt_claims *claims) {
+  if (claims == NULL) return NULL;
+  return claims->aud;
+}
+
+gpr_timespec grpc_jwt_claims_issued_at(const grpc_jwt_claims *claims) {
+  if (claims == NULL) return gpr_inf_past;
+  return claims->iat;
+}
+
+gpr_timespec grpc_jwt_claims_expires_at(const grpc_jwt_claims *claims) {
+  if (claims == NULL) return gpr_inf_future;
+  return claims->exp;
+}
+
+gpr_timespec grpc_jwt_claims_not_before(const grpc_jwt_claims *claims) {
+  if (claims == NULL) return gpr_inf_past;
+  return claims->nbf;
+}
+
+/* Takes ownership of json and buffer even in case of failure. */
+grpc_jwt_claims *grpc_jwt_claims_from_json(grpc_json *json, gpr_slice buffer) {
+  grpc_json *cur;
+  grpc_jwt_claims *claims = gpr_malloc(sizeof(grpc_jwt_claims));
+  memset(claims, 0, sizeof(grpc_jwt_claims));
+  claims->json = json;
+  claims->buffer = buffer;
+  claims->iat = gpr_inf_past;
+  claims->nbf = gpr_inf_past;
+  claims->exp = gpr_inf_future;
+
+  /* Per the spec, all fields are optional. */
+  for (cur = json->child; cur != NULL; cur = cur->next) {
+    if (strcmp(cur->key, "sub") == 0) {
+      claims->sub = validate_string_field(cur, "sub");
+      if (claims->sub == NULL) goto error;
+    } else if (strcmp(cur->key, "iss") == 0) {
+      claims->iss = validate_string_field(cur, "iss");
+      if (claims->iss == NULL) goto error;
+    } else if (strcmp(cur->key, "aud") == 0) {
+      claims->aud = validate_string_field(cur, "aud");
+      if (claims->aud == NULL) goto error;
+    } else if (strcmp(cur->key, "jti") == 0) {
+      claims->jti = validate_string_field(cur, "jti");
+      if (claims->jti == NULL) goto error;
+    } else if (strcmp(cur->key, "iat") == 0) {
+      claims->iat = validate_time_field(cur, "iat");
+      if (gpr_time_cmp(claims->iat, gpr_time_0) == 0) goto error;
+    } else if (strcmp(cur->key, "exp") == 0) {
+      claims->exp = validate_time_field(cur, "exp");
+      if (gpr_time_cmp(claims->exp, gpr_time_0) == 0) goto error;
+    } else if (strcmp(cur->key, "nbf") == 0) {
+      claims->nbf = validate_time_field(cur, "nbf");
+      if (gpr_time_cmp(claims->nbf, gpr_time_0) == 0) goto error;
+    }
+  }
+  return claims;
+
+error:
+  grpc_jwt_claims_destroy(claims);
+  return NULL;
+}
+
+grpc_jwt_verifier_status grpc_jwt_claims_check(const grpc_jwt_claims *claims,
+                                               const char *audience) {
+  gpr_timespec skewed_now;
+  int audience_ok;
+
+  GPR_ASSERT(claims != NULL);
+
+  skewed_now = gpr_time_add(gpr_now(), grpc_jwt_verifier_clock_skew);
+  if (gpr_time_cmp(skewed_now, claims->nbf) < 0) {
+    gpr_log(GPR_ERROR, "JWT is not valid yet.");
+    return GRPC_JWT_VERIFIER_TIME_CONSTRAINT_FAILURE;
+  }
+  skewed_now = gpr_time_sub(gpr_now(), grpc_jwt_verifier_clock_skew);
+  if (gpr_time_cmp(skewed_now, claims->exp) > 0) {
+    gpr_log(GPR_ERROR, "JWT is expired.");
+    return GRPC_JWT_VERIFIER_TIME_CONSTRAINT_FAILURE;
+  }
+
+  if (audience == NULL) {
+    audience_ok = claims->aud == NULL;
+  } else {
+    audience_ok = claims->aud != NULL && strcmp(audience, claims->aud) == 0;
+  }
+  if (!audience_ok) {
+    gpr_log(GPR_ERROR, "Audience mismatch: expected %s and found %s.",
+            audience == NULL ? "NULL" : audience,
+            claims->aud == NULL ? "NULL" : claims->aud);
+    return GRPC_JWT_VERIFIER_BAD_AUDIENCE;
+  }
+  return GRPC_JWT_VERIFIER_OK;
+}
+
+/* --- verifier_cb_ctx object. --- */
+
+typedef struct {
+  grpc_jwt_verifier *verifier;
+  grpc_pollset *pollset;
+  jose_header *header;
+  grpc_jwt_claims *claims;
+  char *audience;
+  gpr_slice signature;
+  gpr_slice signed_data;
+  void *user_data;
+  grpc_jwt_verification_done_cb user_cb;
+} verifier_cb_ctx;
+
+/* Takes ownership of the header, claims and signature. */
+static verifier_cb_ctx *verifier_cb_ctx_create(
+    grpc_jwt_verifier *verifier, grpc_pollset *pollset,
+    jose_header * header, grpc_jwt_claims *claims, const char *audience,
+    gpr_slice signature, const char *signed_jwt, size_t signed_jwt_len,
+    void *user_data, grpc_jwt_verification_done_cb cb) {
+  verifier_cb_ctx *ctx = gpr_malloc(sizeof(verifier_cb_ctx));
+  memset(ctx, 0, sizeof(verifier_cb_ctx));
+  ctx->verifier = verifier;
+  ctx->pollset = pollset;
+  ctx->header = header;
+  ctx->audience = gpr_strdup(audience);
+  ctx->claims = claims;
+  ctx->signature = signature;
+  ctx->signed_data = gpr_slice_from_copied_buffer(signed_jwt, signed_jwt_len);
+  ctx->user_data = user_data;
+  ctx->user_cb = cb;
+  return ctx;
+}
+
+void verifier_cb_ctx_destroy(verifier_cb_ctx *ctx) {
+  if (ctx->audience != NULL) gpr_free(ctx->audience);
+  if (ctx->claims != NULL) grpc_jwt_claims_destroy(ctx->claims);
+  gpr_slice_unref(ctx->signature);
+  gpr_slice_unref(ctx->signed_data);
+  jose_header_destroy(ctx->header);
+  /* TODO: see what to do with claims... */
+  gpr_free(ctx);
+}
+
+/* --- grpc_jwt_verifier object. --- */
+
+/* Clock skew defaults to one minute. */
+gpr_timespec grpc_jwt_verifier_clock_skew = {60, 0};
+
+/* Max delay defaults to one minute. */
+gpr_timespec grpc_jwt_verifier_max_delay = {60, 0};
+
+typedef struct {
+  char *email_domain;
+  char *key_url_prefix;
+} email_key_mapping;
+
+struct grpc_jwt_verifier {
+  email_key_mapping *mappings;
+  size_t num_mappings; /* Should be very few, linear search ok. */
+  size_t allocated_mappings;
+  grpc_httpcli_context http_ctx;
+};
+
+static grpc_json *json_from_http(const grpc_httpcli_response *response) {
+  grpc_json *json = NULL;
+
+  if (response == NULL) {
+    gpr_log(GPR_ERROR, "HTTP response is NULL.");
+    return NULL;
+  }
+  if (response->status != 200) {
+    gpr_log(GPR_ERROR, "Call to http server failed with error %d.",
+            response->status);
+    return NULL;
+  }
+
+  json = grpc_json_parse_string_with_len(response->body, response->body_length);
+  if (json == NULL) {
+    gpr_log(GPR_ERROR, "Invalid JSON found in response.");
+  }
+  return json;
+}
+
+static const grpc_json *find_property_by_name(const grpc_json *json,
+                                              const char *name) {
+  const grpc_json *cur;
+  for (cur = json->child; cur != NULL; cur = cur->next) {
+    if (strcmp(cur->key, name) == 0) return cur;
+  }
+  return NULL;
+}
+
+static EVP_PKEY *extract_pkey_from_x509(const char *x509_str) {
+  X509 *x509 = NULL;
+  EVP_PKEY *result = NULL;
+  BIO *bio = BIO_new(BIO_s_mem());
+  BIO_write(bio, x509_str, strlen(x509_str));
+  x509 = PEM_read_bio_X509(bio, NULL, NULL, NULL);
+  if (x509 == NULL) {
+    gpr_log(GPR_ERROR, "Unable to parse x509 cert.");
+    goto end;
+  }
+  result = X509_get_pubkey(x509);
+  if (result == NULL) {
+    gpr_log(GPR_ERROR, "Cannot find public key in X509 cert.");
+  }
+
+end:
+  BIO_free(bio);
+  if (x509 != NULL) X509_free(x509);
+  return result;
+}
+
+static BIGNUM *bignum_from_base64(const char *b64) {
+  BIGNUM *result = NULL;
+  gpr_slice bin;
+
+  if (b64 == NULL) return NULL;
+  bin = grpc_base64_decode(b64, 1);
+  if (GPR_SLICE_IS_EMPTY(bin)) {
+    gpr_log(GPR_ERROR, "Invalid base64 for big num.");
+    return NULL;
+  }
+  result = BN_bin2bn(GPR_SLICE_START_PTR(bin), GPR_SLICE_LENGTH(bin), NULL);
+  gpr_slice_unref(bin);
+  return result;
+}
+
+static EVP_PKEY *pkey_from_jwk(const grpc_json *json, const char *kty) {
+  const grpc_json *key_prop;
+  RSA *rsa = NULL;
+  EVP_PKEY *result = NULL;
+
+  GPR_ASSERT(kty != NULL && json != NULL);
+  if (strcmp(kty, "RSA") != 0) {
+    gpr_log(GPR_ERROR, "Unsupported key type %s.", kty);
+    goto end;
+  }
+  rsa = RSA_new();
+  if (rsa == NULL) {
+    gpr_log(GPR_ERROR, "Could not create rsa key.");
+    goto end;
+  }
+  for (key_prop = json->child; key_prop != NULL; key_prop = key_prop->next) {
+    if (strcmp(key_prop->key, "n") == 0) {
+      rsa->n = bignum_from_base64(validate_string_field(key_prop, "n"));
+      if (rsa->n == NULL) goto end;
+    } else if (strcmp(key_prop->key, "e") == 0) {
+      rsa->e = bignum_from_base64(validate_string_field(key_prop, "e"));
+      if (rsa->e == NULL) goto end;
+    }
+  }
+  if (rsa->e == NULL || rsa->n == NULL) {
+    gpr_log(GPR_ERROR, "Missing RSA public key field.");
+    goto end;
+  }
+  result = EVP_PKEY_new();
+  EVP_PKEY_set1_RSA(result, rsa); /* uprefs rsa. */
+
+end:
+  if (rsa != NULL) RSA_free(rsa);
+  return result;
+}
+
+static EVP_PKEY *find_verification_key(const grpc_json *json,
+                                       const char *header_alg,
+                                       const char *header_kid) {
+  const grpc_json *jkey;
+  const grpc_json *jwk_keys;
+  /* Try to parse the json as a JWK set:
+     https://tools.ietf.org/html/rfc7517#section-5. */
+  jwk_keys = find_property_by_name(json, "keys");
+  if (jwk_keys == NULL) {
+    /* Use the google proprietary format which is:
+      { <kid1>: <x5091>, <kid2>: <x5092>, ... } */
+    const grpc_json *cur = find_property_by_name(json, header_kid);
+    if (cur == NULL) return NULL;
+    return extract_pkey_from_x509(cur->value);
+  }
+
+  if (jwk_keys->type != GRPC_JSON_ARRAY) {
+    gpr_log(GPR_ERROR,
+            "Unexpected value type of keys property in jwks key set.");
+    return NULL;
+  }
+  /* Key format is specified in:
+     https://tools.ietf.org/html/rfc7518#section-6. */
+  for (jkey = jwk_keys->child; jkey != NULL; jkey = jkey->next) {
+    grpc_json *key_prop;
+    const char *alg = NULL;
+    const char *kid = NULL;
+    const char *kty = NULL;
+
+    if (jkey->type != GRPC_JSON_OBJECT) continue;
+    for (key_prop = jkey->child; key_prop != NULL; key_prop = key_prop->next) {
+      if (strcmp(key_prop->key, "alg") == 0 &&
+          key_prop->type == GRPC_JSON_STRING) {
+        alg = key_prop->value;
+      } else if (strcmp(key_prop->key, "kid") == 0 &&
+                 key_prop->type == GRPC_JSON_STRING) {
+        kid = key_prop->value;
+      } else if (strcmp(key_prop->key, "kty") == 0 &&
+                 key_prop->type == GRPC_JSON_STRING) {
+        kty = key_prop->value;
+      }
+    }
+    if (alg != NULL && kid != NULL && kty != NULL &&
+        strcmp(kid, header_kid) == 0 && strcmp(alg, header_alg) == 0) {
+      return pkey_from_jwk(jkey, kty);
+    }
+  }
+  gpr_log(GPR_ERROR,
+          "Could not find matching key in key set for kid=%s and alg=%s",
+          header_kid, header_alg);
+  return NULL;
+}
+
+static int verify_jwt_signature(EVP_PKEY *key, const char *alg,
+                                gpr_slice signature, gpr_slice signed_data) {
+  EVP_MD_CTX *md_ctx = EVP_MD_CTX_create();
+  const EVP_MD *md = evp_md_from_alg(alg);
+  int result = 0;
+
+  GPR_ASSERT(md != NULL); /* Checked before. */
+  if (md_ctx == NULL) {
+    gpr_log(GPR_ERROR, "Could not create EVP_MD_CTX.");
+    goto end;
+  }
+  if (EVP_DigestVerifyInit(md_ctx, NULL, md, NULL, key) != 1) {
+    gpr_log(GPR_ERROR, "EVP_DigestVerifyInit failed.");
+    goto end;
+  }
+  if (EVP_DigestVerifyUpdate(md_ctx, GPR_SLICE_START_PTR(signed_data),
+                             GPR_SLICE_LENGTH(signed_data)) != 1) {
+    gpr_log(GPR_ERROR, "EVP_DigestVerifyUpdate failed.");
+    goto end;
+  }
+  if (EVP_DigestVerifyFinal(md_ctx, GPR_SLICE_START_PTR(signature),
+                            GPR_SLICE_LENGTH(signature)) != 1) {
+    gpr_log(GPR_ERROR, "JWT signature verification failed.");
+    goto end;
+  }
+  result = 1;
+
+end:
+  if (md_ctx != NULL) EVP_MD_CTX_destroy(md_ctx);
+  return result;
+}
+
+static void on_keys_retrieved(void *user_data,
+                              const grpc_httpcli_response *response) {
+  grpc_json *json = json_from_http(response);
+  verifier_cb_ctx *ctx = (verifier_cb_ctx *)user_data;
+  EVP_PKEY *verification_key = NULL;
+  grpc_jwt_verifier_status status = GRPC_JWT_VERIFIER_GENERIC_ERROR;
+  grpc_jwt_claims *claims = NULL;
+
+  if (json == NULL) {
+    status = GRPC_JWT_VERIFIER_KEY_RETRIEVAL_ERROR;
+    goto end;
+  }
+  verification_key =
+      find_verification_key(json, ctx->header->alg, ctx->header->kid);
+  if (verification_key == NULL) {
+    gpr_log(GPR_ERROR, "Could not find verification key with kid %s.",
+            ctx->header->kid);
+    status = GRPC_JWT_VERIFIER_KEY_RETRIEVAL_ERROR;
+    goto end;
+  }
+
+  if (!verify_jwt_signature(verification_key, ctx->header->alg, ctx->signature,
+                            ctx->signed_data)) {
+    status = GRPC_JWT_VERIFIER_BAD_SIGNATURE;
+    goto end;
+  }
+
+  status = grpc_jwt_claims_check(ctx->claims, ctx->audience);
+  if (status == GRPC_JWT_VERIFIER_OK) {
+    /* Pass ownership. */
+    claims = ctx->claims;
+    ctx->claims = NULL;
+  }
+
+end:
+  if (json != NULL) grpc_json_destroy(json);
+  if (verification_key != NULL) EVP_PKEY_free(verification_key);
+  ctx->user_cb(ctx->user_data, status, claims);
+  verifier_cb_ctx_destroy(ctx);
+}
+
+static void on_openid_config_retrieved(void *user_data,
+                                       const grpc_httpcli_response *response) {
+  const grpc_json* cur;
+  grpc_json *json = json_from_http(response);
+  verifier_cb_ctx *ctx = (verifier_cb_ctx *)user_data;
+  grpc_httpcli_request req;
+  const char *jwks_uri;
+
+  /* TODO(jboeuf): Cache the jwks_uri in order to avoid this hop next time.*/
+  if (json == NULL) goto error;
+  cur = find_property_by_name(json, "jwks_uri");
+  if (cur == NULL) {
+    gpr_log(GPR_ERROR, "Could not find jwks_uri in openid config.");
+    goto error;
+  }
+  jwks_uri = validate_string_field(cur, "jwks_uri");
+  if (jwks_uri == NULL) goto error;
+  if (strstr(jwks_uri, "https://") != jwks_uri) {
+    gpr_log(GPR_ERROR, "Invalid non https jwks_uri: %s.", jwks_uri);
+    goto error;
+  }
+  jwks_uri += 8;
+  req.use_ssl = 1;
+  req.host = gpr_strdup(jwks_uri);
+  req.path = strchr(jwks_uri, '/');
+  if (req.path == NULL) {
+    req.path = "";
+  } else {
+    *(req.host + (req.path - jwks_uri)) = '\0';
+  }
+  grpc_httpcli_get(&ctx->verifier->http_ctx, ctx->pollset, &req,
+                   gpr_time_add(gpr_now(), grpc_jwt_verifier_max_delay),
+                   on_keys_retrieved, ctx);
+  grpc_json_destroy(json);
+  gpr_free(req.host);
+  return;
+
+error:
+  if (json != NULL) grpc_json_destroy(json);
+  ctx->user_cb(ctx->user_data, GRPC_JWT_VERIFIER_KEY_RETRIEVAL_ERROR, NULL);
+  verifier_cb_ctx_destroy(ctx);
+}
+
+static email_key_mapping *verifier_get_mapping(
+    grpc_jwt_verifier *v, const char *email_domain) {
+  size_t i;
+  if (v->mappings == NULL) return NULL;
+  for (i = 0; i < v->num_mappings; i++) {
+    if (strcmp(email_domain, v->mappings[i].email_domain) == 0) {
+      return &v->mappings[i];
+    }
+  }
+  return NULL;
+}
+
+static void verifier_put_mapping(grpc_jwt_verifier *v, const char *email_domain,
+                                 const char *key_url_prefix) {
+  email_key_mapping *mapping = verifier_get_mapping(v, email_domain);
+  GPR_ASSERT(v->num_mappings < v->allocated_mappings);
+  if (mapping != NULL) {
+    gpr_free(mapping->key_url_prefix);
+    mapping->key_url_prefix = gpr_strdup(key_url_prefix);
+    return;
+  }
+  v->mappings[v->num_mappings].email_domain = gpr_strdup(email_domain);
+  v->mappings[v->num_mappings].key_url_prefix = gpr_strdup(key_url_prefix);
+  v->num_mappings++;
+  GPR_ASSERT(v->num_mappings <= v->allocated_mappings);
+}
+
+/* Takes ownership of ctx. */
+static void retrieve_key_and_verify(verifier_cb_ctx *ctx) {
+  const char *at_sign;
+  grpc_httpcli_response_cb http_cb;
+  char *path_prefix = NULL;
+  const char *iss;
+  grpc_httpcli_request req;
+  memset(&req, 0, sizeof(grpc_httpcli_request));
+  req.use_ssl = 1;
+
+  GPR_ASSERT(ctx != NULL && ctx->header != NULL && ctx->claims != NULL);
+  iss = ctx->claims->iss;
+  if (ctx->header->kid == NULL) {
+    gpr_log(GPR_ERROR, "Missing kid in jose header.");
+    goto error;
+  }
+  if (iss == NULL) {
+    gpr_log(GPR_ERROR, "Missing iss in claims.");
+    goto error;
+  }
+
+  /* This code relies on:
+     https://openid.net/specs/openid-connect-discovery-1_0.html
+     Nobody seems to implement the account/email/webfinger part 2. of the spec
+     so we will rely instead on email/url mappings if we detect such an issuer.
+     Part 4, on the other hand is implemented by both google and salesforce. */
+
+  /* Very non-sophisticated way to detect an email address. Should be good
+     enough for now... */
+  at_sign = strchr(iss, '@');
+  if (at_sign != NULL) {
+    email_key_mapping *mapping;
+    const char *email_domain = at_sign + 1;
+    GPR_ASSERT(ctx->verifier != NULL);
+    mapping = verifier_get_mapping(ctx->verifier, email_domain);
+    if (mapping == NULL) {
+      gpr_log(GPR_ERROR, "Missing mapping for issuer email.");
+      goto error;
+    }
+    req.host = gpr_strdup(mapping->key_url_prefix);
+    path_prefix = strchr(req.host, '/');
+    if (path_prefix == NULL) {
+      gpr_asprintf(&req.path, "/%s", iss);
+    } else {
+      *(path_prefix++) = '\0';
+      gpr_asprintf(&req.path, "/%s/%s", path_prefix, iss);
+    }
+    http_cb = on_keys_retrieved;
+  } else {
+    req.host = gpr_strdup(strstr(iss, "https://") == iss ? iss + 8 : iss);
+    path_prefix = strchr(req.host, '/');
+    if (path_prefix == NULL) {
+      req.path = gpr_strdup(GRPC_OPENID_CONFIG_URL_SUFFIX);
+    } else {
+      *(path_prefix++) = 0;
+      gpr_asprintf(&req.path, "/%s%s", path_prefix,
+                   GRPC_OPENID_CONFIG_URL_SUFFIX);
+    }
+    http_cb = on_openid_config_retrieved;
+  }
+
+  grpc_httpcli_get(&ctx->verifier->http_ctx, ctx->pollset, &req,
+                   gpr_time_add(gpr_now(), grpc_jwt_verifier_max_delay),
+                   http_cb, ctx);
+  gpr_free(req.host);
+  gpr_free(req.path);
+  return;
+
+error:
+  ctx->user_cb(ctx->user_data, GRPC_JWT_VERIFIER_KEY_RETRIEVAL_ERROR, NULL);
+  verifier_cb_ctx_destroy(ctx);
+}
+
+void grpc_jwt_verifier_verify(grpc_jwt_verifier *verifier,
+                              grpc_pollset *pollset, const char *jwt,
+                              const char *audience,
+                              grpc_jwt_verification_done_cb cb,
+                              void *user_data) {
+  const char *dot = NULL;
+  grpc_json *json;
+  jose_header *header = NULL;
+  grpc_jwt_claims *claims = NULL;
+  gpr_slice header_buffer;
+  gpr_slice claims_buffer;
+  gpr_slice signature;
+  size_t signed_jwt_len;
+  const char *cur = jwt;
+
+  GPR_ASSERT(verifier != NULL && jwt != NULL && audience != NULL && cb != NULL);
+  dot = strchr(cur, '.');
+  if (dot == NULL) goto error;
+  json = parse_json_part_from_jwt(cur, dot - cur, &header_buffer);
+  if (json == NULL)  goto error;
+  header = jose_header_from_json(json, header_buffer);
+  if (header == NULL) goto error;
+
+  cur = dot + 1;
+  dot = strchr(cur, '.');
+  if (dot == NULL) goto error;
+  json = parse_json_part_from_jwt(cur, dot - cur, &claims_buffer);
+  if (json == NULL)  goto error;
+  claims = grpc_jwt_claims_from_json(json, claims_buffer);
+  if (claims == NULL) goto error;
+
+  signed_jwt_len = (size_t)(dot - jwt);
+  cur = dot + 1;
+  signature = grpc_base64_decode(cur, 1);
+  if (GPR_SLICE_IS_EMPTY(signature)) goto error;
+  retrieve_key_and_verify(
+      verifier_cb_ctx_create(verifier, pollset, header, claims, audience,
+                             signature, jwt, signed_jwt_len, user_data, cb));
+  return;
+
+error:
+  if (header != NULL) jose_header_destroy(header);
+  if (claims != NULL) grpc_jwt_claims_destroy(claims);
+  cb(user_data, GRPC_JWT_VERIFIER_BAD_FORMAT, NULL);
+}
+
+grpc_jwt_verifier *grpc_jwt_verifier_create(
+    const grpc_jwt_verifier_email_domain_key_url_mapping *mappings,
+    size_t num_mappings) {
+  grpc_jwt_verifier *v = gpr_malloc(sizeof(grpc_jwt_verifier));
+  memset(v, 0, sizeof(grpc_jwt_verifier));
+  grpc_httpcli_context_init(&v->http_ctx);
+
+  /* We know at least of one mapping. */
+  v->allocated_mappings = 1 + num_mappings;
+  v->mappings = gpr_malloc(v->allocated_mappings * sizeof(email_key_mapping));
+  verifier_put_mapping(v, GRPC_GOOGLE_SERVICE_ACCOUNTS_EMAIL_DOMAIN,
+                       GRPC_GOOGLE_SERVICE_ACCOUNTS_KEY_URL_PREFIX);
+  /* User-Provided mappings. */
+  if (mappings != NULL) {
+    size_t i;
+    for (i = 0; i < num_mappings; i++) {
+      verifier_put_mapping(v, mappings[i].email_domain,
+                           mappings[i].key_url_prefix);
+    }
+  }
+  return v;
+}
+
+void grpc_jwt_verifier_destroy(grpc_jwt_verifier *v) {
+  size_t i;
+  if (v == NULL) return;
+  grpc_httpcli_context_destroy(&v->http_ctx);
+  if (v->mappings != NULL) {
+    for (i = 0; i < v->num_mappings; i++) {
+      gpr_free(v->mappings[i].email_domain);
+      gpr_free(v->mappings[i].key_url_prefix);
+    }
+    gpr_free(v->mappings);
+  }
+  gpr_free(v);
+}
+
diff --git a/src/core/security/jwt_verifier.h b/src/core/security/jwt_verifier.h
new file mode 100644
index 0000000000..8077e24883
--- /dev/null
+++ b/src/core/security/jwt_verifier.h
@@ -0,0 +1,136 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimser.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimser
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_INTERNAL_CORE_SECURITY_JWT_VERIFIER_H
+#define GRPC_INTERNAL_CORE_SECURITY_JWT_VERIFIER_H
+
+#include "src/core/iomgr/pollset.h"
+#include "src/core/json/json.h"
+
+#include <grpc/support/slice.h>
+#include <grpc/support/time.h>
+
+/* --- Constants. --- */
+
+#define GRPC_OPENID_CONFIG_URL_SUFFIX "/.well-known/openid-configuration"
+#define GRPC_GOOGLE_SERVICE_ACCOUNTS_EMAIL_DOMAIN \
+  "developer.gserviceaccount.com"
+#define GRPC_GOOGLE_SERVICE_ACCOUNTS_KEY_URL_PREFIX \
+  "www.googleapis.com/robot/v1/metadata/x509"
+
+/* --- grpc_jwt_verifier_status. --- */
+
+typedef enum {
+  GRPC_JWT_VERIFIER_OK = 0,
+  GRPC_JWT_VERIFIER_BAD_SIGNATURE,
+  GRPC_JWT_VERIFIER_BAD_FORMAT,
+  GRPC_JWT_VERIFIER_BAD_AUDIENCE,
+  GRPC_JWT_VERIFIER_KEY_RETRIEVAL_ERROR,
+  GRPC_JWT_VERIFIER_TIME_CONSTRAINT_FAILURE,
+  GRPC_JWT_VERIFIER_GENERIC_ERROR
+} grpc_jwt_verifier_status;
+
+const char *grpc_jwt_verifier_status_to_string(grpc_jwt_verifier_status status);
+
+/* --- grpc_jwt_claims. --- */
+
+typedef struct grpc_jwt_claims grpc_jwt_claims;
+
+void grpc_jwt_claims_destroy(grpc_jwt_claims *claims);
+
+/* Returns the whole JSON tree of the claims. */
+const grpc_json *grpc_jwt_claims_json(const grpc_jwt_claims *claims);
+
+/* Access to registered claims in https://tools.ietf.org/html/rfc7519#page-9 */
+const char *grpc_jwt_claims_subject(const grpc_jwt_claims *claims);
+const char *grpc_jwt_claims_issuer(const grpc_jwt_claims *claims);
+const char *grpc_jwt_claims_id(const grpc_jwt_claims *claims);
+const char *grpc_jwt_claims_audience(const grpc_jwt_claims *claims);
+gpr_timespec grpc_jwt_claims_issued_at(const grpc_jwt_claims *claims);
+gpr_timespec grpc_jwt_claims_expires_at(const grpc_jwt_claims *claims);
+gpr_timespec grpc_jwt_claims_not_before(const grpc_jwt_claims *claims);
+
+/* --- grpc_jwt_verifier. --- */
+
+typedef struct grpc_jwt_verifier grpc_jwt_verifier;
+
+typedef struct {
+  /* The email domain is the part after the @ sign. */
+  const char *email_domain;
+
+  /* The key url prefix will be used to get the public key from the issuer:
+     https://<key_url_prefix>/<issuer_email>
+     Therefore the key_url_prefix must NOT contain https://. */
+  const char *key_url_prefix;
+} grpc_jwt_verifier_email_domain_key_url_mapping;
+
+/* Globals to control the verifier. Not thread-safe. */
+extern gpr_timespec grpc_jwt_verifier_clock_skew;
+extern gpr_timespec grpc_jwt_verifier_max_delay;
+
+/* The verifier can be created with some custom mappings to help with key
+   discovery in the case where the issuer is an email address.
+   mappings can be NULL in which case num_mappings MUST be 0.
+   A verifier object has one built-in mapping (unless overridden):
+   GRPC_GOOGLE_SERVICE_ACCOUNTS_EMAIL_DOMAIN ->
+   GRPC_GOOGLE_SERVICE_ACCOUNTS_KEY_URL_PREFIX.*/
+grpc_jwt_verifier *grpc_jwt_verifier_create(
+    const grpc_jwt_verifier_email_domain_key_url_mapping *mappings,
+    size_t num_mappings);
+
+/*The verifier must not be destroyed if there are still outstanding callbacks.*/
+void grpc_jwt_verifier_destroy(grpc_jwt_verifier *verifier);
+
+/* User provided callback that will be called when the verification of the JWT
+   is done (maybe in another thread).
+   It is the responsibility of the callee to call grpc_jwt_claims_destroy on
+   the claims. */
+typedef void (*grpc_jwt_verification_done_cb)(void *user_data,
+                                              grpc_jwt_verifier_status status,
+                                              grpc_jwt_claims *claims);
+
+/* Verifies for the JWT for the given expected audience. */
+void grpc_jwt_verifier_verify(grpc_jwt_verifier *verifier,
+                              grpc_pollset *pollset, const char *jwt,
+                              const char *audience,
+                              grpc_jwt_verification_done_cb cb,
+                              void *user_data);
+
+/* --- TESTING ONLY exposed functions. --- */
+
+grpc_jwt_claims *grpc_jwt_claims_from_json(grpc_json *json, gpr_slice buffer);
+grpc_jwt_verifier_status grpc_jwt_claims_check(const grpc_jwt_claims *claims,
+                                               const char *audience);
+
+#endif /* GRPC_INTERNAL_CORE_SECURITY_JWT_VERIFIER_H */
+
diff --git a/test/core/security/jwt_verifier_test.c b/test/core/security/jwt_verifier_test.c
new file mode 100644
index 0000000000..46b96d9ecb
--- /dev/null
+++ b/test/core/security/jwt_verifier_test.c
@@ -0,0 +1,565 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/security/jwt_verifier.h"
+
+#include <string.h>
+
+#include "src/core/httpcli/httpcli.h"
+#include "src/core/security/base64.h"
+#include "src/core/security/json_token.h"
+#include "test/core/util/test_config.h"
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/slice.h>
+#include <grpc/support/string_util.h>
+
+/* This JSON key was generated with the GCE console and revoked immediately.
+   The identifiers have been changed as well.
+   Maximum size for a string literal is 509 chars in C89, yay!  */
+static const char json_key_str_part1[] =
+    "{ \"private_key\": \"-----BEGIN PRIVATE KEY-----"
+    "\\nMIICeAIBADANBgkqhkiG9w0BAQEFAASCAmIwggJeAgEAAoGBAOEvJsnoHnyHkXcp\\n7mJE"
+    "qg"
+    "WGjiw71NfXByguekSKho65FxaGbsnSM9SMQAqVk7Q2rG+I0OpsT0LrWQtZ\\nyjSeg/"
+    "rWBQvS4hle4LfijkP3J5BG+"
+    "IXDMP8RfziNRQsenAXDNPkY4kJCvKux2xdD\\nOnVF6N7dL3nTYZg+"
+    "uQrNsMTz9UxVAgMBAAECgYEAzbLewe1xe9vy+2GoSsfib+28\\nDZgSE6Bu/"
+    "zuFoPrRc6qL9p2SsnV7txrunTyJkkOnPLND9ABAXybRTlcVKP/sGgza\\n/"
+    "8HpCqFYM9V8f34SBWfD4fRFT+n/"
+    "73cfRUtGXdXpseva2lh8RilIQfPhNZAncenU\\ngqXjDvpkypEusgXAykECQQD+";
+static const char json_key_str_part2[] =
+    "53XxNVnxBHsYb+AYEfklR96yVi8HywjVHP34+OQZ\\nCslxoHQM8s+"
+    "dBnjfScLu22JqkPv04xyxmt0QAKm9+vTdAkEA4ib7YvEAn2jXzcCI\\nEkoy2L/"
+    "XydR1GCHoacdfdAwiL2npOdnbvi4ZmdYRPY1LSTO058tQHKVXV7NLeCa3\\nAARh2QJBAMKeDA"
+    "G"
+    "W303SQv2cZTdbeaLKJbB5drz3eo3j7dDKjrTD9JupixFbzcGw\\n8FZi5c8idxiwC36kbAL6Hz"
+    "A"
+    "ZoX+ofI0CQE6KCzPJTtYNqyShgKAZdJ8hwOcvCZtf\\n6z8RJm0+"
+    "6YBd38lfh5j8mZd7aHFf6I17j5AQY7oPEc47TjJj/"
+    "5nZ68ECQQDvYuI3\\nLyK5fS8g0SYbmPOL9TlcHDOqwG0mrX9qpg5DC2fniXNSrrZ64GTDKdzZ"
+    "Y"
+    "Ap6LI9W\\nIqv4vr6y38N79TTC\\n-----END PRIVATE KEY-----\\n\", ";
+static const char json_key_str_part3_for_google_email_issuer[] =
+    "\"private_key_id\": \"e6b5137873db8d2ef81e06a47289e6434ec8a165\", "
+    "\"client_email\": "
+    "\"777-abaslkan11hlb6nmim3bpspl31ud@developer.gserviceaccount."
+    "com\", \"client_id\": "
+    "\"777-abaslkan11hlb6nmim3bpspl31ud.apps.googleusercontent."
+    "com\", \"type\": \"service_account\" }";
+/* Trick our JWT library into issuing a JWT with iss=accounts.google.com. */
+static const char json_key_str_part3_for_url_issuer[] =
+    "\"private_key_id\": \"e6b5137873db8d2ef81e06a47289e6434ec8a165\", "
+    "\"client_email\": \"accounts.google.com\", "
+    "\"client_id\": "
+    "\"777-abaslkan11hlb6nmim3bpspl31ud.apps.googleusercontent."
+    "com\", \"type\": \"service_account\" }";
+static const char json_key_str_part3_for_custom_email_issuer[] =
+    "\"private_key_id\": \"e6b5137873db8d2ef81e06a47289e6434ec8a165\", "
+    "\"client_email\": "
+    "\"foo@bar.com\", \"client_id\": "
+    "\"777-abaslkan11hlb6nmim3bpspl31ud.apps.googleusercontent."
+    "com\", \"type\": \"service_account\" }";
+
+static grpc_jwt_verifier_email_domain_key_url_mapping custom_mapping = {
+  "bar.com", "keys.bar.com/jwk"
+};
+
+static const char expected_user_data[] = "user data";
+
+static const char good_jwk_set[] =
+    "{"
+    " \"keys\": ["
+    "  {"
+    "   \"kty\": \"RSA\","
+    "   \"alg\": \"RS256\","
+    "   \"use\": \"sig\","
+    "   \"kid\": \"e6b5137873db8d2ef81e06a47289e6434ec8a165\","
+    "   \"n\": "
+    "\"4S8myegefIeRdynuYkSqBYaOLDvU19cHKC56RIqGjrkXFoZuydIz1IxACpWTtDasb4jQ6mxP"
+    "QutZC1nKNJ6D-tYFC9LiGV7gt-KOQ_cnkEb4hcMw_xF_OI1FCx6cBcM0-"
+    "RjiQkK8q7HbF0M6dUXo3t0vedNhmD65Cs2wxPP1TFU=\","
+    "   \"e\": \"AQAB\""
+    "  }"
+    " ]"
+    "}";
+
+static gpr_timespec expected_lifetime = {3600, 0};
+
+static const char good_google_email_keys_part1[] =
+    "{\"e6b5137873db8d2ef81e06a47289e6434ec8a165\": \"-----BEGIN "
+    "CERTIFICATE-----"
+    "\\nMIICATCCAWoCCQDEywLhxvHjnDANBgkqhkiG9w0BAQsFADBFMQswCQYDVQQGEwJB\\nVTET"
+    "MBEGA1UECAwKU29tZS1TdGF0ZTEhMB8GA1UECgwYSW50ZXJuZXQgV2lkZ2l0\\ncyBQdHkgTHR"
+    "kMB4XDTE1MDYyOTA4Mzk1MFoXDTI1MDYyNjA4Mzk1MFowRTELMAkG\\nA1UEBhMCQVUxEzARBg"
+    "NVBAgMClNvbWUtU3RhdGUxITAfBgNVBAoMGEludGVybmV0\\nIFdpZGdpdHMgUHR5IEx0ZDCBn"
+    "zANBgkqhkiG9w0BAQEFAAOBjQAwgYkCgYEA4S8m\\nyegefIeRdynuYkSqBYaOLDvU19cHKC56"
+    "RIqGjrkXFoZuydIz1IxACpWTtDasb4jQ\\n6mxPQutZC1nKNJ6D+tYFC9LiGV7gt+KOQ/";
+
+static const char good_google_email_keys_part2[] =
+    "cnkEb4hcMw/xF/OI1FCx6cBcM0+"
+    "Rji\\nQkK8q7HbF0M6dUXo3t0vedNhmD65Cs2wxPP1TFUCAwEAATANBgkqhkiG9w0BAQsF\\nA"
+    "AOBgQBfu69FkPmBknbKNFgurPz78kbs3VNN+k/"
+    "PUgO5DHKskJmgK2TbtvX2VMpx\\nkftmHGzgzMzUlOtigCaGMgHWjfqjpP9uuDbahXrZBJzB8c"
+    "Oq7MrQF8r17qVvo3Ue\\nPjTKQMAsU8uxTEMmeuz9L6yExs0rfd6bPOrQkAoVfFfiYB3/"
+    "pA==\\n-----END CERTIFICATE-----\\n\"}";
+
+static const char expected_audience[] = "https://foo.com";
+
+static const char good_openid_config[] =
+    "{"
+    " \"issuer\": \"https://accounts.google.com\","
+    " \"authorization_endpoint\": "
+    "\"https://accounts.google.com/o/oauth2/v2/auth\","
+    " \"token_endpoint\": \"https://www.googleapis.com/oauth2/v4/token\","
+    " \"userinfo_endpoint\": \"https://www.googleapis.com/oauth2/v3/userinfo\","
+    " \"revocation_endpoint\": \"https://accounts.google.com/o/oauth2/revoke\","
+    " \"jwks_uri\": \"https://www.googleapis.com/oauth2/v3/certs\""
+    "}";
+
+static const char expired_claims[] =
+    "{ \"aud\": \"https://foo.com\","
+    "  \"iss\": \"blah.foo.com\","
+    "  \"sub\": \"juju@blah.foo.com\","
+    "  \"jti\": \"jwtuniqueid\","
+    "  \"iat\": 100,"  /* Way back in the past... */
+    "  \"exp\": 120,"
+    "  \"nbf\": 60,"
+    "  \"foo\": \"bar\"}";
+
+static const char claims_without_time_constraint[] =
+    "{ \"aud\": \"https://foo.com\","
+    "  \"iss\": \"blah.foo.com\","
+    "  \"sub\": \"juju@blah.foo.com\","
+    "  \"jti\": \"jwtuniqueid\","
+    "  \"foo\": \"bar\"}";
+
+static const char invalid_claims[] =
+    "{ \"aud\": \"https://foo.com\","
+    "  \"iss\": 46," /* Issuer cannot be a number. */
+    "  \"sub\": \"juju@blah.foo.com\","
+    "  \"jti\": \"jwtuniqueid\","
+    "  \"foo\": \"bar\"}";
+
+typedef struct {
+  grpc_jwt_verifier_status expected_status;
+  const char *expected_issuer;
+  const char *expected_subject;
+} verifier_test_config;
+
+static void test_claims_success(void) {
+  grpc_jwt_claims *claims;
+  gpr_slice s = gpr_slice_from_copied_string(claims_without_time_constraint);
+  grpc_json *json = grpc_json_parse_string_with_len(
+      (char *)GPR_SLICE_START_PTR(s), GPR_SLICE_LENGTH(s));
+  GPR_ASSERT(json != NULL);
+  claims = grpc_jwt_claims_from_json(json, s);
+  GPR_ASSERT(claims != NULL);
+  GPR_ASSERT(grpc_jwt_claims_json(claims) == json);
+  GPR_ASSERT(strcmp(grpc_jwt_claims_audience(claims), "https://foo.com") == 0);
+  GPR_ASSERT(strcmp(grpc_jwt_claims_issuer(claims), "blah.foo.com") == 0);
+  GPR_ASSERT(strcmp(grpc_jwt_claims_subject(claims), "juju@blah.foo.com") == 0);
+  GPR_ASSERT(strcmp(grpc_jwt_claims_id(claims), "jwtuniqueid") == 0);
+  GPR_ASSERT(grpc_jwt_claims_check(claims, "https://foo.com") ==
+             GRPC_JWT_VERIFIER_OK);
+  grpc_jwt_claims_destroy(claims);
+}
+
+static void test_expired_claims_failure(void) {
+  grpc_jwt_claims *claims;
+  gpr_slice s = gpr_slice_from_copied_string(expired_claims);
+  grpc_json *json = grpc_json_parse_string_with_len(
+      (char *)GPR_SLICE_START_PTR(s), GPR_SLICE_LENGTH(s));
+  gpr_timespec exp_iat = {100, 0};
+  gpr_timespec exp_exp = {120, 0};
+  gpr_timespec exp_nbf = {60, 0};
+  GPR_ASSERT(json != NULL);
+  claims = grpc_jwt_claims_from_json(json, s);
+  GPR_ASSERT(claims != NULL);
+  GPR_ASSERT(grpc_jwt_claims_json(claims) == json);
+  GPR_ASSERT(strcmp(grpc_jwt_claims_audience(claims), "https://foo.com") == 0);
+  GPR_ASSERT(strcmp(grpc_jwt_claims_issuer(claims), "blah.foo.com") == 0);
+  GPR_ASSERT(strcmp(grpc_jwt_claims_subject(claims), "juju@blah.foo.com") == 0);
+  GPR_ASSERT(strcmp(grpc_jwt_claims_id(claims), "jwtuniqueid") == 0);
+  GPR_ASSERT(gpr_time_cmp(grpc_jwt_claims_issued_at(claims), exp_iat) == 0);
+  GPR_ASSERT(gpr_time_cmp(grpc_jwt_claims_expires_at(claims), exp_exp) == 0);
+  GPR_ASSERT(gpr_time_cmp(grpc_jwt_claims_not_before(claims), exp_nbf) == 0);
+
+  GPR_ASSERT(grpc_jwt_claims_check(claims, "https://foo.com") ==
+             GRPC_JWT_VERIFIER_TIME_CONSTRAINT_FAILURE);
+  grpc_jwt_claims_destroy(claims);
+}
+
+static void test_invalid_claims_failure(void) {
+  gpr_slice s = gpr_slice_from_copied_string(invalid_claims);
+  grpc_json *json = grpc_json_parse_string_with_len(
+      (char *)GPR_SLICE_START_PTR(s), GPR_SLICE_LENGTH(s));
+  GPR_ASSERT(grpc_jwt_claims_from_json(json, s) == NULL);
+}
+
+static void test_bad_audience_claims_failure(void) {
+  grpc_jwt_claims *claims;
+  gpr_slice s = gpr_slice_from_copied_string(claims_without_time_constraint);
+  grpc_json *json = grpc_json_parse_string_with_len(
+      (char *)GPR_SLICE_START_PTR(s), GPR_SLICE_LENGTH(s));
+  GPR_ASSERT(json != NULL);
+  claims = grpc_jwt_claims_from_json(json, s);
+  GPR_ASSERT(claims != NULL);
+  GPR_ASSERT(grpc_jwt_claims_check(claims, "https://bar.com") ==
+             GRPC_JWT_VERIFIER_BAD_AUDIENCE);
+  grpc_jwt_claims_destroy(claims);
+}
+
+static char *json_key_str(const char *last_part) {
+  size_t result_len = strlen(json_key_str_part1) + strlen(json_key_str_part2) +
+                      strlen(last_part);
+  char *result = gpr_malloc(result_len + 1);
+  char *current = result;
+  strcpy(result, json_key_str_part1);
+  current += strlen(json_key_str_part1);
+  strcpy(current, json_key_str_part2);
+  current += strlen(json_key_str_part2);
+  strcpy(current, last_part);
+  return result;
+}
+
+static char *good_google_email_keys(void) {
+  size_t result_len = strlen(good_google_email_keys_part1) +
+                      strlen(good_google_email_keys_part2);
+  char *result = gpr_malloc(result_len + 1);
+  char *current = result;
+  strcpy(result, good_google_email_keys_part1);
+  current += strlen(good_google_email_keys_part1);
+  strcpy(current, good_google_email_keys_part2);
+  return result;
+}
+
+static grpc_httpcli_response http_response(int status, char *body) {
+  grpc_httpcli_response response;
+  memset(&response, 0, sizeof(grpc_httpcli_response));
+  response.status = status;
+  response.body = body;
+  response.body_length = strlen(body);
+  return response;
+}
+
+static int httpcli_post_should_not_be_called(
+    const grpc_httpcli_request *request, const char *body_bytes,
+    size_t body_size, gpr_timespec deadline,
+    grpc_httpcli_response_cb on_response, void *user_data) {
+  GPR_ASSERT("HTTP POST should not be called" == NULL);
+  return 1;
+}
+
+static int httpcli_get_google_keys_for_email(
+    const grpc_httpcli_request *request, gpr_timespec deadline,
+    grpc_httpcli_response_cb on_response, void *user_data) {
+  grpc_httpcli_response response = http_response(200, good_google_email_keys());
+  GPR_ASSERT(request->use_ssl);
+  GPR_ASSERT(strcmp(request->host, "www.googleapis.com") == 0);
+  GPR_ASSERT(strcmp(request->path,
+                    "/robot/v1/metadata/x509/"
+                    "777-abaslkan11hlb6nmim3bpspl31ud@developer."
+                    "gserviceaccount.com") == 0);
+  on_response(user_data, &response);
+  gpr_free(response.body);
+  return 1;
+}
+
+static void on_verification_success(void *user_data,
+                                    grpc_jwt_verifier_status status,
+                                    grpc_jwt_claims *claims) {
+  GPR_ASSERT(status == GRPC_JWT_VERIFIER_OK);
+  GPR_ASSERT(claims != NULL);
+  GPR_ASSERT(user_data == (void *)expected_user_data);
+  GPR_ASSERT(strcmp(grpc_jwt_claims_audience(claims), expected_audience) == 0);
+  grpc_jwt_claims_destroy(claims);
+}
+
+static void test_jwt_verifier_google_email_issuer_success(void) {
+  grpc_jwt_verifier *verifier = grpc_jwt_verifier_create(NULL, 0);
+  char *jwt = NULL;
+  char *key_str = json_key_str(json_key_str_part3_for_google_email_issuer);
+  grpc_auth_json_key key = grpc_auth_json_key_create_from_string(key_str);
+  gpr_free(key_str);
+  GPR_ASSERT(grpc_auth_json_key_is_valid(&key));
+  grpc_httpcli_set_override(httpcli_get_google_keys_for_email,
+                            httpcli_post_should_not_be_called);
+  jwt =
+      grpc_jwt_encode_and_sign(&key, expected_audience, expected_lifetime, NULL);
+  grpc_auth_json_key_destruct(&key);
+  GPR_ASSERT(jwt != NULL);
+  grpc_jwt_verifier_verify(verifier, NULL, jwt, expected_audience,
+                           on_verification_success, (void *)expected_user_data);
+  gpr_free(jwt);
+  grpc_jwt_verifier_destroy(verifier);
+  grpc_httpcli_set_override(NULL, NULL);
+}
+
+static int httpcli_get_custom_keys_for_email(
+    const grpc_httpcli_request *request, gpr_timespec deadline,
+    grpc_httpcli_response_cb on_response, void *user_data) {
+  grpc_httpcli_response response = http_response(200, gpr_strdup(good_jwk_set));
+  GPR_ASSERT(request->use_ssl);
+  GPR_ASSERT(strcmp(request->host, "keys.bar.com") == 0);
+  GPR_ASSERT(strcmp(request->path, "/jwk/foo@bar.com") == 0);
+  on_response(user_data, &response);
+  gpr_free(response.body);
+  return 1;
+}
+
+static void test_jwt_verifier_custom_email_issuer_success(void) {
+  grpc_jwt_verifier *verifier = grpc_jwt_verifier_create(&custom_mapping, 1);
+  char *jwt = NULL;
+  char *key_str = json_key_str(json_key_str_part3_for_custom_email_issuer);
+  grpc_auth_json_key key = grpc_auth_json_key_create_from_string(key_str);
+  gpr_free(key_str);
+  GPR_ASSERT(grpc_auth_json_key_is_valid(&key));
+  grpc_httpcli_set_override(httpcli_get_custom_keys_for_email,
+                            httpcli_post_should_not_be_called);
+  jwt =
+      grpc_jwt_encode_and_sign(&key, expected_audience, expected_lifetime, NULL);
+  grpc_auth_json_key_destruct(&key);
+  GPR_ASSERT(jwt != NULL);
+  grpc_jwt_verifier_verify(verifier, NULL, jwt, expected_audience,
+                           on_verification_success, (void *)expected_user_data);
+  gpr_free(jwt);
+  grpc_jwt_verifier_destroy(verifier);
+  grpc_httpcli_set_override(NULL, NULL);
+}
+
+static int httpcli_get_jwk_set(
+    const grpc_httpcli_request *request, gpr_timespec deadline,
+    grpc_httpcli_response_cb on_response, void *user_data) {
+  grpc_httpcli_response response = http_response(200, gpr_strdup(good_jwk_set));
+  GPR_ASSERT(request->use_ssl);
+  GPR_ASSERT(strcmp(request->host, "www.googleapis.com") == 0);
+  GPR_ASSERT(strcmp(request->path, "/oauth2/v3/certs") == 0);
+  on_response(user_data, &response);
+  gpr_free(response.body);
+  return 1;
+}
+
+static int httpcli_get_openid_config(const grpc_httpcli_request *request,
+                                     gpr_timespec deadline,
+                                     grpc_httpcli_response_cb on_response,
+                                     void *user_data) {
+  grpc_httpcli_response response =
+      http_response(200, gpr_strdup(good_openid_config));
+  GPR_ASSERT(request->use_ssl);
+  GPR_ASSERT(strcmp(request->host, "accounts.google.com") == 0);
+  GPR_ASSERT(strcmp(request->path, GRPC_OPENID_CONFIG_URL_SUFFIX) == 0);
+  grpc_httpcli_set_override(httpcli_get_jwk_set,
+                            httpcli_post_should_not_be_called);
+  on_response(user_data, &response);
+  gpr_free(response.body);
+  return 1;
+}
+
+static void test_jwt_verifier_url_issuer_success(void) {
+  grpc_jwt_verifier *verifier = grpc_jwt_verifier_create(NULL, 0);
+  char *jwt = NULL;
+  char *key_str = json_key_str(json_key_str_part3_for_url_issuer);
+  grpc_auth_json_key key = grpc_auth_json_key_create_from_string(key_str);
+  gpr_free(key_str);
+  GPR_ASSERT(grpc_auth_json_key_is_valid(&key));
+  grpc_httpcli_set_override(httpcli_get_openid_config,
+                            httpcli_post_should_not_be_called);
+  jwt =
+      grpc_jwt_encode_and_sign(&key, expected_audience, expected_lifetime, NULL);
+  grpc_auth_json_key_destruct(&key);
+  GPR_ASSERT(jwt != NULL);
+  grpc_jwt_verifier_verify(verifier, NULL, jwt, expected_audience,
+                           on_verification_success, (void *)expected_user_data);
+  gpr_free(jwt);
+  grpc_jwt_verifier_destroy(verifier);
+  grpc_httpcli_set_override(NULL, NULL);
+}
+
+static void on_verification_key_retrieval_error(void *user_data,
+                                                grpc_jwt_verifier_status status,
+                                                grpc_jwt_claims *claims) {
+  GPR_ASSERT(status == GRPC_JWT_VERIFIER_KEY_RETRIEVAL_ERROR);
+  GPR_ASSERT(claims == NULL);
+  GPR_ASSERT(user_data == (void *)expected_user_data);
+}
+
+static int httpcli_get_bad_json(const grpc_httpcli_request *request,
+                                gpr_timespec deadline,
+                                grpc_httpcli_response_cb on_response,
+                                void *user_data) {
+  grpc_httpcli_response response =
+      http_response(200, gpr_strdup("{\"bad\": \"stuff\"}"));
+  GPR_ASSERT(request->use_ssl);
+  on_response(user_data, &response);
+  gpr_free(response.body);
+  return 1;
+}
+
+static void test_jwt_verifier_url_issuer_bad_config(void) {
+  grpc_jwt_verifier *verifier = grpc_jwt_verifier_create(NULL, 0);
+  char *jwt = NULL;
+  char *key_str = json_key_str(json_key_str_part3_for_url_issuer);
+  grpc_auth_json_key key = grpc_auth_json_key_create_from_string(key_str);
+  gpr_free(key_str);
+  GPR_ASSERT(grpc_auth_json_key_is_valid(&key));
+  grpc_httpcli_set_override(httpcli_get_bad_json,
+                            httpcli_post_should_not_be_called);
+  jwt =
+      grpc_jwt_encode_and_sign(&key, expected_audience, expected_lifetime, NULL);
+  grpc_auth_json_key_destruct(&key);
+  GPR_ASSERT(jwt != NULL);
+  grpc_jwt_verifier_verify(verifier, NULL, jwt, expected_audience,
+                           on_verification_key_retrieval_error,
+                           (void *)expected_user_data);
+  gpr_free(jwt);
+  grpc_jwt_verifier_destroy(verifier);
+  grpc_httpcli_set_override(NULL, NULL);
+}
+
+static void test_jwt_verifier_bad_json_key(void) {
+  grpc_jwt_verifier *verifier = grpc_jwt_verifier_create(NULL, 0);
+  char *jwt = NULL;
+  char *key_str = json_key_str(json_key_str_part3_for_google_email_issuer);
+  grpc_auth_json_key key = grpc_auth_json_key_create_from_string(key_str);
+  gpr_free(key_str);
+  GPR_ASSERT(grpc_auth_json_key_is_valid(&key));
+  grpc_httpcli_set_override(httpcli_get_bad_json,
+                            httpcli_post_should_not_be_called);
+  jwt =
+      grpc_jwt_encode_and_sign(&key, expected_audience, expected_lifetime, NULL);
+  grpc_auth_json_key_destruct(&key);
+  GPR_ASSERT(jwt != NULL);
+  grpc_jwt_verifier_verify(verifier, NULL, jwt, expected_audience,
+                           on_verification_key_retrieval_error,
+                           (void *)expected_user_data);
+  gpr_free(jwt);
+  grpc_jwt_verifier_destroy(verifier);
+  grpc_httpcli_set_override(NULL, NULL);
+}
+
+static void corrupt_jwt_sig(char *jwt) {
+  gpr_slice sig;
+  char *bad_b64_sig;
+  gpr_uint8 *sig_bytes;
+  char *last_dot = strrchr(jwt, '.');
+  GPR_ASSERT(last_dot != NULL);
+  sig = grpc_base64_decode(last_dot + 1, 1);
+  GPR_ASSERT(!GPR_SLICE_IS_EMPTY(sig));
+  sig_bytes = GPR_SLICE_START_PTR(sig);
+  (*sig_bytes)++; /* Corrupt first byte. */
+  bad_b64_sig =
+      grpc_base64_encode(GPR_SLICE_START_PTR(sig), GPR_SLICE_LENGTH(sig), 1, 0);
+  memcpy(last_dot + 1, bad_b64_sig, strlen(bad_b64_sig));
+  gpr_free(bad_b64_sig);
+  gpr_slice_unref(sig);
+}
+
+static void on_verification_bad_signature(void *user_data,
+                                          grpc_jwt_verifier_status status,
+                                          grpc_jwt_claims *claims) {
+  GPR_ASSERT(status == GRPC_JWT_VERIFIER_BAD_SIGNATURE);
+  GPR_ASSERT(claims == NULL);
+  GPR_ASSERT(user_data == (void *)expected_user_data);
+}
+
+static void test_jwt_verifier_bad_signature(void) {
+  grpc_jwt_verifier *verifier = grpc_jwt_verifier_create(NULL, 0);
+  char *jwt = NULL;
+  char *key_str = json_key_str(json_key_str_part3_for_url_issuer);
+  grpc_auth_json_key key = grpc_auth_json_key_create_from_string(key_str);
+  gpr_free(key_str);
+  GPR_ASSERT(grpc_auth_json_key_is_valid(&key));
+  grpc_httpcli_set_override(httpcli_get_openid_config,
+                            httpcli_post_should_not_be_called);
+  jwt =
+      grpc_jwt_encode_and_sign(&key, expected_audience, expected_lifetime, NULL);
+  grpc_auth_json_key_destruct(&key);
+  corrupt_jwt_sig(jwt);
+  GPR_ASSERT(jwt != NULL);
+  grpc_jwt_verifier_verify(verifier, NULL, jwt, expected_audience,
+                           on_verification_bad_signature,
+                           (void *)expected_user_data);
+  gpr_free(jwt);
+  grpc_jwt_verifier_destroy(verifier);
+  grpc_httpcli_set_override(NULL, NULL);
+}
+
+static int httpcli_get_should_not_be_called(
+    const grpc_httpcli_request *request, gpr_timespec deadline,
+    grpc_httpcli_response_cb on_response, void *user_data) {
+  GPR_ASSERT(0);
+  return 1;
+}
+
+static void on_verification_bad_format(void *user_data,
+                                       grpc_jwt_verifier_status status,
+                                       grpc_jwt_claims *claims) {
+  GPR_ASSERT(status == GRPC_JWT_VERIFIER_BAD_FORMAT);
+  GPR_ASSERT(claims == NULL);
+  GPR_ASSERT(user_data == (void *)expected_user_data);
+}
+
+static void test_jwt_verifier_bad_format(void) {
+  grpc_jwt_verifier *verifier = grpc_jwt_verifier_create(NULL, 0);
+  grpc_httpcli_set_override(httpcli_get_should_not_be_called,
+                            httpcli_post_should_not_be_called);
+  grpc_jwt_verifier_verify(verifier, NULL, "bad jwt", expected_audience,
+                           on_verification_bad_format,
+                           (void *)expected_user_data);
+  grpc_jwt_verifier_destroy(verifier);
+  grpc_httpcli_set_override(NULL, NULL);
+}
+
+/* find verification key: bad jks, cannot find key in jks */
+/* bad signature custom provided email*/
+/* bad key */
+
+
+int main(int argc, char **argv) {
+  grpc_test_init(argc, argv);
+  test_claims_success();
+  test_expired_claims_failure();
+  test_invalid_claims_failure();
+  test_bad_audience_claims_failure();
+  test_jwt_verifier_google_email_issuer_success();
+  test_jwt_verifier_custom_email_issuer_success();
+  test_jwt_verifier_url_issuer_success();
+  test_jwt_verifier_url_issuer_bad_config();
+  test_jwt_verifier_bad_json_key();
+  test_jwt_verifier_bad_signature();
+  test_jwt_verifier_bad_format();
+  return 0;
+}
+
diff --git a/test/core/security/print_google_default_creds_token.c b/test/core/security/print_google_default_creds_token.c
index a0da5b2d93..dc49760438 100644
--- a/test/core/security/print_google_default_creds_token.c
+++ b/test/core/security/print_google_default_creds_token.c
@@ -88,13 +88,13 @@ int main(int argc, char **argv) {
   grpc_pollset_init(&sync.pollset);
   sync.is_done = 0;
 
-  grpc_credentials_get_request_metadata(creds, &sync.pollset, "", on_metadata_response, &sync);
+  grpc_credentials_get_request_metadata(creds, &sync.pollset, service_url,
+                                        on_metadata_response, &sync);
 
   gpr_mu_lock(GRPC_POLLSET_MU(&sync.pollset));
   while (!sync.is_done) grpc_pollset_work(&sync.pollset, gpr_inf_future);
   gpr_mu_unlock(GRPC_POLLSET_MU(&sync.pollset));
 
-  grpc_pollset_destroy(&sync.pollset);
   grpc_credentials_release(creds);
 
 end:
diff --git a/test/core/security/verify_jwt.c b/test/core/security/verify_jwt.c
new file mode 100644
index 0000000000..e90be5de98
--- /dev/null
+++ b/test/core/security/verify_jwt.c
@@ -0,0 +1,119 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <stdio.h>
+#include <string.h>
+
+#include "src/core/security/jwt_verifier.h"
+#include <grpc/grpc.h>
+#include <grpc/grpc_security.h>
+#include <grpc/support/alloc.h>
+#include <grpc/support/cmdline.h>
+#include <grpc/support/log.h>
+#include <grpc/support/slice.h>
+#include <grpc/support/sync.h>
+
+typedef struct {
+  grpc_pollset pollset;
+  int is_done;
+  int success;
+} synchronizer;
+
+static void print_usage_and_exit(gpr_cmdline *cl, const char *argv0) {
+  char *usage = gpr_cmdline_usage_string(cl, argv0);
+  fprintf(stderr, "%s", usage);
+  gpr_free(usage);
+  gpr_cmdline_destroy(cl);
+  exit(1);
+}
+
+static void on_jwt_verification_done(void *user_data,
+                                     grpc_jwt_verifier_status status,
+                                     grpc_jwt_claims *claims) {
+  synchronizer *sync = user_data;
+
+  sync->success = (status == GRPC_JWT_VERIFIER_OK);
+  if (sync->success) {
+    char *claims_str;
+    GPR_ASSERT(claims != NULL);
+    claims_str =
+        grpc_json_dump_to_string((grpc_json *)grpc_jwt_claims_json(claims), 2);
+    printf("Claims: \n\n%s\n", claims_str);
+    gpr_free(claims_str);
+    grpc_jwt_claims_destroy(claims);
+  } else {
+    GPR_ASSERT(claims == NULL);
+    fprintf(stderr, "Verification failed with error %s\n",
+            grpc_jwt_verifier_status_to_string(status));
+  }
+
+  gpr_mu_lock(GRPC_POLLSET_MU(&sync->pollset));
+  sync->is_done = 1;
+  grpc_pollset_kick(&sync->pollset);
+  gpr_mu_unlock(GRPC_POLLSET_MU(&sync->pollset));
+}
+
+int main(int argc, char **argv) {
+  synchronizer sync;
+  grpc_jwt_verifier *verifier;
+  gpr_cmdline *cl;
+  char *jwt = NULL;
+  char *aud = NULL;
+
+  cl = gpr_cmdline_create("JWT verifier tool");
+  gpr_cmdline_add_string(cl, "jwt", "JSON web token to verify", &jwt);
+  gpr_cmdline_add_string(cl, "aud", "Audience for the JWT", &aud);
+  gpr_cmdline_parse(cl, argc, argv);
+  if (jwt == NULL || aud == NULL) {
+    print_usage_and_exit(cl, argv[0]);
+  }
+
+  verifier = grpc_jwt_verifier_create(NULL, 0);
+
+  grpc_init();
+
+  grpc_pollset_init(&sync.pollset);
+  sync.is_done = 0;
+
+  grpc_jwt_verifier_verify(verifier, &sync.pollset, jwt, aud,
+                           on_jwt_verification_done, &sync);
+
+  gpr_mu_lock(GRPC_POLLSET_MU(&sync.pollset));
+  while (!sync.is_done) grpc_pollset_work(&sync.pollset, gpr_inf_future);
+  gpr_mu_unlock(GRPC_POLLSET_MU(&sync.pollset));
+
+  grpc_jwt_verifier_destroy(verifier);
+  gpr_cmdline_destroy(cl);
+  return !sync.success;
+}
+
diff --git a/tools/doxygen/Doxyfile.core.internal b/tools/doxygen/Doxyfile.core.internal
index 832f1e3590..4800fea431 100644
--- a/tools/doxygen/Doxyfile.core.internal
+++ b/tools/doxygen/Doxyfile.core.internal
@@ -775,6 +775,7 @@ src/core/security/auth_filters.h \
 src/core/security/base64.h \
 src/core/security/credentials.h \
 src/core/security/json_token.h \
+src/core/security/jwt_verifier.h \
 src/core/security/secure_endpoint.h \
 src/core/security/secure_transport_setup.h \
 src/core/security/security_connector.h \
@@ -881,6 +882,7 @@ src/core/security/credentials_posix.c \
 src/core/security/credentials_win32.c \
 src/core/security/google_default_credentials.c \
 src/core/security/json_token.c \
+src/core/security/jwt_verifier.c \
 src/core/security/secure_endpoint.c \
 src/core/security/secure_transport_setup.c \
 src/core/security/security_connector.c \
diff --git a/tools/run_tests/sources_and_headers.json b/tools/run_tests/sources_and_headers.json
index eb2514fa46..91f6317ba1 100644
--- a/tools/run_tests/sources_and_headers.json
+++ b/tools/run_tests/sources_and_headers.json
@@ -515,6 +515,20 @@
       "test/core/security/json_token_test.c"
     ]
   }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "grpc_jwt_verifier_test", 
+    "src": [
+      "test/core/security/jwt_verifier_test.c"
+    ]
+  }, 
   {
     "deps": [
       "gpr", 
@@ -557,6 +571,20 @@
       "test/core/transport/stream_op_test.c"
     ]
   }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "grpc_verify_jwt", 
+    "src": [
+      "test/core/security/verify_jwt.c"
+    ]
+  }, 
   {
     "deps": [
       "gpr", 
@@ -8691,6 +8719,7 @@
       "src/core/security/base64.h", 
       "src/core/security/credentials.h", 
       "src/core/security/json_token.h", 
+      "src/core/security/jwt_verifier.h", 
       "src/core/security/secure_endpoint.h", 
       "src/core/security/secure_transport_setup.h", 
       "src/core/security/security_connector.h", 
@@ -8872,6 +8901,8 @@
       "src/core/security/google_default_credentials.c", 
       "src/core/security/json_token.c", 
       "src/core/security/json_token.h", 
+      "src/core/security/jwt_verifier.c", 
+      "src/core/security/jwt_verifier.h", 
       "src/core/security/secure_endpoint.c", 
       "src/core/security/secure_endpoint.h", 
       "src/core/security/secure_transport_setup.c", 
diff --git a/tools/run_tests/tests.json b/tools/run_tests/tests.json
index 2da8b56d4f..4de95f1d51 100644
--- a/tools/run_tests/tests.json
+++ b/tools/run_tests/tests.json
@@ -303,6 +303,15 @@
       "posix"
     ]
   }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "grpc_jwt_verifier_test", 
+    "platforms": [
+      "windows", 
+      "posix"
+    ]
+  }, 
   {
     "flaky": false, 
     "language": "c", 
diff --git a/vsprojects/Grpc.mak b/vsprojects/Grpc.mak
index b3be4fcf24..eec22a9ec1 100644
--- a/vsprojects/Grpc.mak
+++ b/vsprojects/Grpc.mak
@@ -57,7 +57,7 @@ $(OUT_DIR):
 build_libs: build_gpr build_gpr_test_util build_grpc build_grpc_test_util build_grpc_test_util_unsecure build_grpc_unsecure Debug\end2end_fixture_chttp2_fake_security.lib Debug\end2end_fixture_chttp2_fullstack.lib Debug\end2end_fixture_chttp2_simple_ssl_fullstack.lib Debug\end2end_fixture_chttp2_simple_ssl_with_oauth2_fullstack.lib Debug\end2end_fixture_chttp2_socket_pair.lib Debug\end2end_fixture_chttp2_socket_pair_one_byte_at_a_time.lib Debug\end2end_fixture_chttp2_socket_pair_with_grpc_trace.lib Debug\end2end_test_bad_hostname.lib Debug\end2end_test_cancel_after_accept.lib Debug\end2end_test_cancel_after_accept_and_writes_closed.lib Debug\end2end_test_cancel_after_invoke.lib Debug\end2end_test_cancel_before_invoke.lib Debug\end2end_test_cancel_in_a_vacuum.lib Debug\end2end_test_census_simple_request.lib Debug\end2end_test_disappearing_server.lib Debug\end2end_test_early_server_shutdown_finishes_inflight_calls.lib Debug\end2end_test_early_server_shutdown_finishes_tags.lib Debug\end2end_test_empty_batch.lib Debug\end2end_test_graceful_server_shutdown.lib Debug\end2end_test_invoke_large_request.lib Debug\end2end_test_max_concurrent_streams.lib Debug\end2end_test_max_message_length.lib Debug\end2end_test_no_op.lib Debug\end2end_test_ping_pong_streaming.lib Debug\end2end_test_registered_call.lib Debug\end2end_test_request_response_with_binary_metadata_and_payload.lib Debug\end2end_test_request_response_with_metadata_and_payload.lib Debug\end2end_test_request_response_with_payload.lib Debug\end2end_test_request_response_with_payload_and_call_creds.lib Debug\end2end_test_request_response_with_trailing_metadata_and_payload.lib Debug\end2end_test_request_with_flags.lib Debug\end2end_test_request_with_large_metadata.lib Debug\end2end_test_request_with_payload.lib Debug\end2end_test_server_finishes_request.lib Debug\end2end_test_simple_delayed_request.lib Debug\end2end_test_simple_request.lib Debug\end2end_test_simple_request_with_high_initial_sequence_number.lib Debug\end2end_certs.lib Debug\bad_client_test.lib 
 buildtests: buildtests_c buildtests_cxx
 
-buildtests_c: alarm_heap_test.exe alarm_list_test.exe alarm_test.exe alpn_test.exe bin_encoder_test.exe chttp2_status_conversion_test.exe chttp2_stream_encoder_test.exe chttp2_stream_map_test.exe fling_client.exe fling_server.exe gpr_cancellable_test.exe gpr_cmdline_test.exe gpr_env_test.exe gpr_file_test.exe gpr_histogram_test.exe gpr_host_port_test.exe gpr_log_test.exe gpr_slice_buffer_test.exe gpr_slice_test.exe gpr_string_test.exe gpr_sync_test.exe gpr_thd_test.exe gpr_time_test.exe gpr_tls_test.exe gpr_useful_test.exe grpc_auth_context_test.exe grpc_base64_test.exe grpc_byte_buffer_reader_test.exe grpc_channel_stack_test.exe grpc_completion_queue_test.exe grpc_credentials_test.exe grpc_json_token_test.exe grpc_security_connector_test.exe grpc_stream_op_test.exe hpack_parser_test.exe hpack_table_test.exe httpcli_format_request_test.exe httpcli_parser_test.exe json_rewrite.exe json_rewrite_test.exe json_test.exe lame_client_test.exe message_compress_test.exe multi_init_test.exe murmur_hash_test.exe no_server_test.exe resolve_address_test.exe secure_endpoint_test.exe sockaddr_utils_test.exe time_averaged_stats_test.exe time_test.exe timeout_encoding_test.exe timers_test.exe transport_metadata_test.exe transport_security_test.exe chttp2_fake_security_bad_hostname_test.exe chttp2_fake_security_cancel_after_accept_test.exe chttp2_fake_security_cancel_after_accept_and_writes_closed_test.exe chttp2_fake_security_cancel_after_invoke_test.exe chttp2_fake_security_cancel_before_invoke_test.exe chttp2_fake_security_cancel_in_a_vacuum_test.exe chttp2_fake_security_census_simple_request_test.exe chttp2_fake_security_disappearing_server_test.exe chttp2_fake_security_early_server_shutdown_finishes_inflight_calls_test.exe chttp2_fake_security_early_server_shutdown_finishes_tags_test.exe chttp2_fake_security_empty_batch_test.exe chttp2_fake_security_graceful_server_shutdown_test.exe chttp2_fake_security_invoke_large_request_test.exe chttp2_fake_security_max_concurrent_streams_test.exe chttp2_fake_security_max_message_length_test.exe chttp2_fake_security_no_op_test.exe chttp2_fake_security_ping_pong_streaming_test.exe chttp2_fake_security_registered_call_test.exe chttp2_fake_security_request_response_with_binary_metadata_and_payload_test.exe chttp2_fake_security_request_response_with_metadata_and_payload_test.exe chttp2_fake_security_request_response_with_payload_test.exe chttp2_fake_security_request_response_with_payload_and_call_creds_test.exe chttp2_fake_security_request_response_with_trailing_metadata_and_payload_test.exe chttp2_fake_security_request_with_flags_test.exe chttp2_fake_security_request_with_large_metadata_test.exe chttp2_fake_security_request_with_payload_test.exe chttp2_fake_security_server_finishes_request_test.exe chttp2_fake_security_simple_delayed_request_test.exe chttp2_fake_security_simple_request_test.exe chttp2_fake_security_simple_request_with_high_initial_sequence_number_test.exe chttp2_fullstack_bad_hostname_test.exe chttp2_fullstack_cancel_after_accept_test.exe chttp2_fullstack_cancel_after_accept_and_writes_closed_test.exe chttp2_fullstack_cancel_after_invoke_test.exe chttp2_fullstack_cancel_before_invoke_test.exe chttp2_fullstack_cancel_in_a_vacuum_test.exe chttp2_fullstack_census_simple_request_test.exe chttp2_fullstack_disappearing_server_test.exe chttp2_fullstack_early_server_shutdown_finishes_inflight_calls_test.exe chttp2_fullstack_early_server_shutdown_finishes_tags_test.exe chttp2_fullstack_empty_batch_test.exe chttp2_fullstack_graceful_server_shutdown_test.exe chttp2_fullstack_invoke_large_request_test.exe chttp2_fullstack_max_concurrent_streams_test.exe chttp2_fullstack_max_message_length_test.exe chttp2_fullstack_no_op_test.exe chttp2_fullstack_ping_pong_streaming_test.exe chttp2_fullstack_registered_call_test.exe chttp2_fullstack_request_response_with_binary_metadata_and_payload_test.exe chttp2_fullstack_request_response_with_metadata_and_payload_test.exe chttp2_fullstack_request_response_with_payload_test.exe chttp2_fullstack_request_response_with_payload_and_call_creds_test.exe chttp2_fullstack_request_response_with_trailing_metadata_and_payload_test.exe chttp2_fullstack_request_with_flags_test.exe chttp2_fullstack_request_with_large_metadata_test.exe chttp2_fullstack_request_with_payload_test.exe chttp2_fullstack_server_finishes_request_test.exe chttp2_fullstack_simple_delayed_request_test.exe chttp2_fullstack_simple_request_test.exe chttp2_fullstack_simple_request_with_high_initial_sequence_number_test.exe chttp2_simple_ssl_fullstack_bad_hostname_test.exe chttp2_simple_ssl_fullstack_cancel_after_accept_test.exe chttp2_simple_ssl_fullstack_cancel_after_accept_and_writes_closed_test.exe chttp2_simple_ssl_fullstack_cancel_after_invoke_test.exe chttp2_simple_ssl_fullstack_cancel_before_invoke_test.exe chttp2_simple_ssl_fullstack_cancel_in_a_vacuum_test.exe chttp2_simple_ssl_fullstack_census_simple_request_test.exe chttp2_simple_ssl_fullstack_disappearing_server_test.exe chttp2_simple_ssl_fullstack_early_server_shutdown_finishes_inflight_calls_test.exe chttp2_simple_ssl_fullstack_early_server_shutdown_finishes_tags_test.exe chttp2_simple_ssl_fullstack_empty_batch_test.exe chttp2_simple_ssl_fullstack_graceful_server_shutdown_test.exe chttp2_simple_ssl_fullstack_invoke_large_request_test.exe chttp2_simple_ssl_fullstack_max_concurrent_streams_test.exe chttp2_simple_ssl_fullstack_max_message_length_test.exe chttp2_simple_ssl_fullstack_no_op_test.exe chttp2_simple_ssl_fullstack_ping_pong_streaming_test.exe chttp2_simple_ssl_fullstack_registered_call_test.exe chttp2_simple_ssl_fullstack_request_response_with_binary_metadata_and_payload_test.exe chttp2_simple_ssl_fullstack_request_response_with_metadata_and_payload_test.exe chttp2_simple_ssl_fullstack_request_response_with_payload_test.exe chttp2_simple_ssl_fullstack_request_response_with_payload_and_call_creds_test.exe chttp2_simple_ssl_fullstack_request_response_with_trailing_metadata_and_payload_test.exe chttp2_simple_ssl_fullstack_request_with_flags_test.exe chttp2_simple_ssl_fullstack_request_with_large_metadata_test.exe chttp2_simple_ssl_fullstack_request_with_payload_test.exe chttp2_simple_ssl_fullstack_server_finishes_request_test.exe chttp2_simple_ssl_fullstack_simple_delayed_request_test.exe chttp2_simple_ssl_fullstack_simple_request_test.exe chttp2_simple_ssl_fullstack_simple_request_with_high_initial_sequence_number_test.exe chttp2_simple_ssl_with_oauth2_fullstack_bad_hostname_test.exe chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_accept_test.exe chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_accept_and_writes_closed_test.exe chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_invoke_test.exe chttp2_simple_ssl_with_oauth2_fullstack_cancel_before_invoke_test.exe chttp2_simple_ssl_with_oauth2_fullstack_cancel_in_a_vacuum_test.exe chttp2_simple_ssl_with_oauth2_fullstack_census_simple_request_test.exe chttp2_simple_ssl_with_oauth2_fullstack_disappearing_server_test.exe chttp2_simple_ssl_with_oauth2_fullstack_early_server_shutdown_finishes_inflight_calls_test.exe chttp2_simple_ssl_with_oauth2_fullstack_early_server_shutdown_finishes_tags_test.exe chttp2_simple_ssl_with_oauth2_fullstack_empty_batch_test.exe chttp2_simple_ssl_with_oauth2_fullstack_graceful_server_shutdown_test.exe chttp2_simple_ssl_with_oauth2_fullstack_invoke_large_request_test.exe chttp2_simple_ssl_with_oauth2_fullstack_max_concurrent_streams_test.exe chttp2_simple_ssl_with_oauth2_fullstack_max_message_length_test.exe chttp2_simple_ssl_with_oauth2_fullstack_no_op_test.exe chttp2_simple_ssl_with_oauth2_fullstack_ping_pong_streaming_test.exe chttp2_simple_ssl_with_oauth2_fullstack_registered_call_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_binary_metadata_and_payload_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_metadata_and_payload_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_payload_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_payload_and_call_creds_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_trailing_metadata_and_payload_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_with_flags_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_with_large_metadata_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_with_payload_test.exe chttp2_simple_ssl_with_oauth2_fullstack_server_finishes_request_test.exe chttp2_simple_ssl_with_oauth2_fullstack_simple_delayed_request_test.exe chttp2_simple_ssl_with_oauth2_fullstack_simple_request_test.exe chttp2_simple_ssl_with_oauth2_fullstack_simple_request_with_high_initial_sequence_number_test.exe chttp2_socket_pair_bad_hostname_test.exe chttp2_socket_pair_cancel_after_accept_test.exe chttp2_socket_pair_cancel_after_accept_and_writes_closed_test.exe chttp2_socket_pair_cancel_after_invoke_test.exe chttp2_socket_pair_cancel_before_invoke_test.exe chttp2_socket_pair_cancel_in_a_vacuum_test.exe chttp2_socket_pair_census_simple_request_test.exe chttp2_socket_pair_disappearing_server_test.exe chttp2_socket_pair_early_server_shutdown_finishes_inflight_calls_test.exe chttp2_socket_pair_early_server_shutdown_finishes_tags_test.exe chttp2_socket_pair_empty_batch_test.exe chttp2_socket_pair_graceful_server_shutdown_test.exe chttp2_socket_pair_invoke_large_request_test.exe chttp2_socket_pair_max_concurrent_streams_test.exe chttp2_socket_pair_max_message_length_test.exe chttp2_socket_pair_no_op_test.exe chttp2_socket_pair_ping_pong_streaming_test.exe chttp2_socket_pair_registered_call_test.exe chttp2_socket_pair_request_response_with_binary_metadata_and_payload_test.exe chttp2_socket_pair_request_response_with_metadata_and_payload_test.exe chttp2_socket_pair_request_response_with_payload_test.exe chttp2_socket_pair_request_response_with_payload_and_call_creds_test.exe chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_test.exe chttp2_socket_pair_request_with_flags_test.exe chttp2_socket_pair_request_with_large_metadata_test.exe chttp2_socket_pair_request_with_payload_test.exe chttp2_socket_pair_server_finishes_request_test.exe chttp2_socket_pair_simple_delayed_request_test.exe chttp2_socket_pair_simple_request_test.exe chttp2_socket_pair_simple_request_with_high_initial_sequence_number_test.exe chttp2_socket_pair_one_byte_at_a_time_bad_hostname_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_and_writes_closed_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_after_invoke_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_before_invoke_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_in_a_vacuum_test.exe chttp2_socket_pair_one_byte_at_a_time_census_simple_request_test.exe chttp2_socket_pair_one_byte_at_a_time_disappearing_server_test.exe chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_inflight_calls_test.exe chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_tags_test.exe chttp2_socket_pair_one_byte_at_a_time_empty_batch_test.exe chttp2_socket_pair_one_byte_at_a_time_graceful_server_shutdown_test.exe chttp2_socket_pair_one_byte_at_a_time_invoke_large_request_test.exe chttp2_socket_pair_one_byte_at_a_time_max_concurrent_streams_test.exe chttp2_socket_pair_one_byte_at_a_time_max_message_length_test.exe chttp2_socket_pair_one_byte_at_a_time_no_op_test.exe chttp2_socket_pair_one_byte_at_a_time_ping_pong_streaming_test.exe chttp2_socket_pair_one_byte_at_a_time_registered_call_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_binary_metadata_and_payload_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_metadata_and_payload_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_and_call_creds_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_test.exe chttp2_socket_pair_one_byte_at_a_time_request_with_flags_test.exe chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_test.exe chttp2_socket_pair_one_byte_at_a_time_request_with_payload_test.exe chttp2_socket_pair_one_byte_at_a_time_server_finishes_request_test.exe chttp2_socket_pair_one_byte_at_a_time_simple_delayed_request_test.exe chttp2_socket_pair_one_byte_at_a_time_simple_request_test.exe chttp2_socket_pair_one_byte_at_a_time_simple_request_with_high_initial_sequence_number_test.exe chttp2_socket_pair_with_grpc_trace_bad_hostname_test.exe chttp2_socket_pair_with_grpc_trace_cancel_after_accept_test.exe chttp2_socket_pair_with_grpc_trace_cancel_after_accept_and_writes_closed_test.exe chttp2_socket_pair_with_grpc_trace_cancel_after_invoke_test.exe chttp2_socket_pair_with_grpc_trace_cancel_before_invoke_test.exe chttp2_socket_pair_with_grpc_trace_cancel_in_a_vacuum_test.exe chttp2_socket_pair_with_grpc_trace_census_simple_request_test.exe chttp2_socket_pair_with_grpc_trace_disappearing_server_test.exe chttp2_socket_pair_with_grpc_trace_early_server_shutdown_finishes_inflight_calls_test.exe chttp2_socket_pair_with_grpc_trace_early_server_shutdown_finishes_tags_test.exe chttp2_socket_pair_with_grpc_trace_empty_batch_test.exe chttp2_socket_pair_with_grpc_trace_graceful_server_shutdown_test.exe chttp2_socket_pair_with_grpc_trace_invoke_large_request_test.exe chttp2_socket_pair_with_grpc_trace_max_concurrent_streams_test.exe chttp2_socket_pair_with_grpc_trace_max_message_length_test.exe chttp2_socket_pair_with_grpc_trace_no_op_test.exe chttp2_socket_pair_with_grpc_trace_ping_pong_streaming_test.exe chttp2_socket_pair_with_grpc_trace_registered_call_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_binary_metadata_and_payload_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_metadata_and_payload_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_payload_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_payload_and_call_creds_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_test.exe chttp2_socket_pair_with_grpc_trace_request_with_flags_test.exe chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_test.exe chttp2_socket_pair_with_grpc_trace_request_with_payload_test.exe chttp2_socket_pair_with_grpc_trace_server_finishes_request_test.exe chttp2_socket_pair_with_grpc_trace_simple_delayed_request_test.exe chttp2_socket_pair_with_grpc_trace_simple_request_test.exe chttp2_socket_pair_with_grpc_trace_simple_request_with_high_initial_sequence_number_test.exe chttp2_fullstack_bad_hostname_unsecure_test.exe chttp2_fullstack_cancel_after_accept_unsecure_test.exe chttp2_fullstack_cancel_after_accept_and_writes_closed_unsecure_test.exe chttp2_fullstack_cancel_after_invoke_unsecure_test.exe chttp2_fullstack_cancel_before_invoke_unsecure_test.exe chttp2_fullstack_cancel_in_a_vacuum_unsecure_test.exe chttp2_fullstack_census_simple_request_unsecure_test.exe chttp2_fullstack_disappearing_server_unsecure_test.exe chttp2_fullstack_early_server_shutdown_finishes_inflight_calls_unsecure_test.exe chttp2_fullstack_early_server_shutdown_finishes_tags_unsecure_test.exe chttp2_fullstack_empty_batch_unsecure_test.exe chttp2_fullstack_graceful_server_shutdown_unsecure_test.exe chttp2_fullstack_invoke_large_request_unsecure_test.exe chttp2_fullstack_max_concurrent_streams_unsecure_test.exe chttp2_fullstack_max_message_length_unsecure_test.exe chttp2_fullstack_no_op_unsecure_test.exe chttp2_fullstack_ping_pong_streaming_unsecure_test.exe chttp2_fullstack_registered_call_unsecure_test.exe chttp2_fullstack_request_response_with_binary_metadata_and_payload_unsecure_test.exe chttp2_fullstack_request_response_with_metadata_and_payload_unsecure_test.exe chttp2_fullstack_request_response_with_payload_unsecure_test.exe chttp2_fullstack_request_response_with_trailing_metadata_and_payload_unsecure_test.exe chttp2_fullstack_request_with_flags_unsecure_test.exe chttp2_fullstack_request_with_large_metadata_unsecure_test.exe chttp2_fullstack_request_with_payload_unsecure_test.exe chttp2_fullstack_server_finishes_request_unsecure_test.exe chttp2_fullstack_simple_delayed_request_unsecure_test.exe chttp2_fullstack_simple_request_unsecure_test.exe chttp2_fullstack_simple_request_with_high_initial_sequence_number_unsecure_test.exe chttp2_socket_pair_bad_hostname_unsecure_test.exe chttp2_socket_pair_cancel_after_accept_unsecure_test.exe chttp2_socket_pair_cancel_after_accept_and_writes_closed_unsecure_test.exe chttp2_socket_pair_cancel_after_invoke_unsecure_test.exe chttp2_socket_pair_cancel_before_invoke_unsecure_test.exe chttp2_socket_pair_cancel_in_a_vacuum_unsecure_test.exe chttp2_socket_pair_census_simple_request_unsecure_test.exe chttp2_socket_pair_disappearing_server_unsecure_test.exe chttp2_socket_pair_early_server_shutdown_finishes_inflight_calls_unsecure_test.exe chttp2_socket_pair_early_server_shutdown_finishes_tags_unsecure_test.exe chttp2_socket_pair_empty_batch_unsecure_test.exe chttp2_socket_pair_graceful_server_shutdown_unsecure_test.exe chttp2_socket_pair_invoke_large_request_unsecure_test.exe chttp2_socket_pair_max_concurrent_streams_unsecure_test.exe chttp2_socket_pair_max_message_length_unsecure_test.exe chttp2_socket_pair_no_op_unsecure_test.exe chttp2_socket_pair_ping_pong_streaming_unsecure_test.exe chttp2_socket_pair_registered_call_unsecure_test.exe chttp2_socket_pair_request_response_with_binary_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_request_response_with_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_request_response_with_payload_unsecure_test.exe chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_request_with_flags_unsecure_test.exe chttp2_socket_pair_request_with_large_metadata_unsecure_test.exe chttp2_socket_pair_request_with_payload_unsecure_test.exe chttp2_socket_pair_server_finishes_request_unsecure_test.exe chttp2_socket_pair_simple_delayed_request_unsecure_test.exe chttp2_socket_pair_simple_request_unsecure_test.exe chttp2_socket_pair_simple_request_with_high_initial_sequence_number_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_bad_hostname_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_and_writes_closed_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_after_invoke_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_before_invoke_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_in_a_vacuum_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_census_simple_request_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_disappearing_server_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_inflight_calls_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_tags_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_empty_batch_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_graceful_server_shutdown_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_invoke_large_request_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_max_concurrent_streams_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_max_message_length_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_no_op_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_ping_pong_streaming_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_registered_call_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_binary_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_request_with_flags_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_request_with_payload_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_server_finishes_request_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_simple_delayed_request_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_simple_request_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_simple_request_with_high_initial_sequence_number_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_bad_hostname_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_cancel_after_accept_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_cancel_after_accept_and_writes_closed_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_cancel_after_invoke_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_cancel_before_invoke_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_cancel_in_a_vacuum_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_census_simple_request_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_disappearing_server_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_early_server_shutdown_finishes_inflight_calls_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_early_server_shutdown_finishes_tags_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_empty_batch_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_graceful_server_shutdown_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_invoke_large_request_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_max_concurrent_streams_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_max_message_length_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_no_op_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_ping_pong_streaming_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_registered_call_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_binary_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_payload_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_request_with_flags_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_request_with_payload_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_server_finishes_request_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_simple_delayed_request_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_simple_request_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_simple_request_with_high_initial_sequence_number_unsecure_test.exe connection_prefix_bad_client_test.exe initial_settings_frame_bad_client_test.exe 
+buildtests_c: alarm_heap_test.exe alarm_list_test.exe alarm_test.exe alpn_test.exe bin_encoder_test.exe chttp2_status_conversion_test.exe chttp2_stream_encoder_test.exe chttp2_stream_map_test.exe fling_client.exe fling_server.exe gpr_cancellable_test.exe gpr_cmdline_test.exe gpr_env_test.exe gpr_file_test.exe gpr_histogram_test.exe gpr_host_port_test.exe gpr_log_test.exe gpr_slice_buffer_test.exe gpr_slice_test.exe gpr_string_test.exe gpr_sync_test.exe gpr_thd_test.exe gpr_time_test.exe gpr_tls_test.exe gpr_useful_test.exe grpc_auth_context_test.exe grpc_base64_test.exe grpc_byte_buffer_reader_test.exe grpc_channel_stack_test.exe grpc_completion_queue_test.exe grpc_credentials_test.exe grpc_json_token_test.exe grpc_jwt_verifier_test.exe grpc_security_connector_test.exe grpc_stream_op_test.exe hpack_parser_test.exe hpack_table_test.exe httpcli_format_request_test.exe httpcli_parser_test.exe json_rewrite.exe json_rewrite_test.exe json_test.exe lame_client_test.exe message_compress_test.exe multi_init_test.exe murmur_hash_test.exe no_server_test.exe resolve_address_test.exe secure_endpoint_test.exe sockaddr_utils_test.exe time_averaged_stats_test.exe time_test.exe timeout_encoding_test.exe timers_test.exe transport_metadata_test.exe transport_security_test.exe chttp2_fake_security_bad_hostname_test.exe chttp2_fake_security_cancel_after_accept_test.exe chttp2_fake_security_cancel_after_accept_and_writes_closed_test.exe chttp2_fake_security_cancel_after_invoke_test.exe chttp2_fake_security_cancel_before_invoke_test.exe chttp2_fake_security_cancel_in_a_vacuum_test.exe chttp2_fake_security_census_simple_request_test.exe chttp2_fake_security_disappearing_server_test.exe chttp2_fake_security_early_server_shutdown_finishes_inflight_calls_test.exe chttp2_fake_security_early_server_shutdown_finishes_tags_test.exe chttp2_fake_security_empty_batch_test.exe chttp2_fake_security_graceful_server_shutdown_test.exe chttp2_fake_security_invoke_large_request_test.exe chttp2_fake_security_max_concurrent_streams_test.exe chttp2_fake_security_max_message_length_test.exe chttp2_fake_security_no_op_test.exe chttp2_fake_security_ping_pong_streaming_test.exe chttp2_fake_security_registered_call_test.exe chttp2_fake_security_request_response_with_binary_metadata_and_payload_test.exe chttp2_fake_security_request_response_with_metadata_and_payload_test.exe chttp2_fake_security_request_response_with_payload_test.exe chttp2_fake_security_request_response_with_payload_and_call_creds_test.exe chttp2_fake_security_request_response_with_trailing_metadata_and_payload_test.exe chttp2_fake_security_request_with_flags_test.exe chttp2_fake_security_request_with_large_metadata_test.exe chttp2_fake_security_request_with_payload_test.exe chttp2_fake_security_server_finishes_request_test.exe chttp2_fake_security_simple_delayed_request_test.exe chttp2_fake_security_simple_request_test.exe chttp2_fake_security_simple_request_with_high_initial_sequence_number_test.exe chttp2_fullstack_bad_hostname_test.exe chttp2_fullstack_cancel_after_accept_test.exe chttp2_fullstack_cancel_after_accept_and_writes_closed_test.exe chttp2_fullstack_cancel_after_invoke_test.exe chttp2_fullstack_cancel_before_invoke_test.exe chttp2_fullstack_cancel_in_a_vacuum_test.exe chttp2_fullstack_census_simple_request_test.exe chttp2_fullstack_disappearing_server_test.exe chttp2_fullstack_early_server_shutdown_finishes_inflight_calls_test.exe chttp2_fullstack_early_server_shutdown_finishes_tags_test.exe chttp2_fullstack_empty_batch_test.exe chttp2_fullstack_graceful_server_shutdown_test.exe chttp2_fullstack_invoke_large_request_test.exe chttp2_fullstack_max_concurrent_streams_test.exe chttp2_fullstack_max_message_length_test.exe chttp2_fullstack_no_op_test.exe chttp2_fullstack_ping_pong_streaming_test.exe chttp2_fullstack_registered_call_test.exe chttp2_fullstack_request_response_with_binary_metadata_and_payload_test.exe chttp2_fullstack_request_response_with_metadata_and_payload_test.exe chttp2_fullstack_request_response_with_payload_test.exe chttp2_fullstack_request_response_with_payload_and_call_creds_test.exe chttp2_fullstack_request_response_with_trailing_metadata_and_payload_test.exe chttp2_fullstack_request_with_flags_test.exe chttp2_fullstack_request_with_large_metadata_test.exe chttp2_fullstack_request_with_payload_test.exe chttp2_fullstack_server_finishes_request_test.exe chttp2_fullstack_simple_delayed_request_test.exe chttp2_fullstack_simple_request_test.exe chttp2_fullstack_simple_request_with_high_initial_sequence_number_test.exe chttp2_simple_ssl_fullstack_bad_hostname_test.exe chttp2_simple_ssl_fullstack_cancel_after_accept_test.exe chttp2_simple_ssl_fullstack_cancel_after_accept_and_writes_closed_test.exe chttp2_simple_ssl_fullstack_cancel_after_invoke_test.exe chttp2_simple_ssl_fullstack_cancel_before_invoke_test.exe chttp2_simple_ssl_fullstack_cancel_in_a_vacuum_test.exe chttp2_simple_ssl_fullstack_census_simple_request_test.exe chttp2_simple_ssl_fullstack_disappearing_server_test.exe chttp2_simple_ssl_fullstack_early_server_shutdown_finishes_inflight_calls_test.exe chttp2_simple_ssl_fullstack_early_server_shutdown_finishes_tags_test.exe chttp2_simple_ssl_fullstack_empty_batch_test.exe chttp2_simple_ssl_fullstack_graceful_server_shutdown_test.exe chttp2_simple_ssl_fullstack_invoke_large_request_test.exe chttp2_simple_ssl_fullstack_max_concurrent_streams_test.exe chttp2_simple_ssl_fullstack_max_message_length_test.exe chttp2_simple_ssl_fullstack_no_op_test.exe chttp2_simple_ssl_fullstack_ping_pong_streaming_test.exe chttp2_simple_ssl_fullstack_registered_call_test.exe chttp2_simple_ssl_fullstack_request_response_with_binary_metadata_and_payload_test.exe chttp2_simple_ssl_fullstack_request_response_with_metadata_and_payload_test.exe chttp2_simple_ssl_fullstack_request_response_with_payload_test.exe chttp2_simple_ssl_fullstack_request_response_with_payload_and_call_creds_test.exe chttp2_simple_ssl_fullstack_request_response_with_trailing_metadata_and_payload_test.exe chttp2_simple_ssl_fullstack_request_with_flags_test.exe chttp2_simple_ssl_fullstack_request_with_large_metadata_test.exe chttp2_simple_ssl_fullstack_request_with_payload_test.exe chttp2_simple_ssl_fullstack_server_finishes_request_test.exe chttp2_simple_ssl_fullstack_simple_delayed_request_test.exe chttp2_simple_ssl_fullstack_simple_request_test.exe chttp2_simple_ssl_fullstack_simple_request_with_high_initial_sequence_number_test.exe chttp2_simple_ssl_with_oauth2_fullstack_bad_hostname_test.exe chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_accept_test.exe chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_accept_and_writes_closed_test.exe chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_invoke_test.exe chttp2_simple_ssl_with_oauth2_fullstack_cancel_before_invoke_test.exe chttp2_simple_ssl_with_oauth2_fullstack_cancel_in_a_vacuum_test.exe chttp2_simple_ssl_with_oauth2_fullstack_census_simple_request_test.exe chttp2_simple_ssl_with_oauth2_fullstack_disappearing_server_test.exe chttp2_simple_ssl_with_oauth2_fullstack_early_server_shutdown_finishes_inflight_calls_test.exe chttp2_simple_ssl_with_oauth2_fullstack_early_server_shutdown_finishes_tags_test.exe chttp2_simple_ssl_with_oauth2_fullstack_empty_batch_test.exe chttp2_simple_ssl_with_oauth2_fullstack_graceful_server_shutdown_test.exe chttp2_simple_ssl_with_oauth2_fullstack_invoke_large_request_test.exe chttp2_simple_ssl_with_oauth2_fullstack_max_concurrent_streams_test.exe chttp2_simple_ssl_with_oauth2_fullstack_max_message_length_test.exe chttp2_simple_ssl_with_oauth2_fullstack_no_op_test.exe chttp2_simple_ssl_with_oauth2_fullstack_ping_pong_streaming_test.exe chttp2_simple_ssl_with_oauth2_fullstack_registered_call_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_binary_metadata_and_payload_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_metadata_and_payload_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_payload_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_payload_and_call_creds_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_trailing_metadata_and_payload_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_with_flags_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_with_large_metadata_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_with_payload_test.exe chttp2_simple_ssl_with_oauth2_fullstack_server_finishes_request_test.exe chttp2_simple_ssl_with_oauth2_fullstack_simple_delayed_request_test.exe chttp2_simple_ssl_with_oauth2_fullstack_simple_request_test.exe chttp2_simple_ssl_with_oauth2_fullstack_simple_request_with_high_initial_sequence_number_test.exe chttp2_socket_pair_bad_hostname_test.exe chttp2_socket_pair_cancel_after_accept_test.exe chttp2_socket_pair_cancel_after_accept_and_writes_closed_test.exe chttp2_socket_pair_cancel_after_invoke_test.exe chttp2_socket_pair_cancel_before_invoke_test.exe chttp2_socket_pair_cancel_in_a_vacuum_test.exe chttp2_socket_pair_census_simple_request_test.exe chttp2_socket_pair_disappearing_server_test.exe chttp2_socket_pair_early_server_shutdown_finishes_inflight_calls_test.exe chttp2_socket_pair_early_server_shutdown_finishes_tags_test.exe chttp2_socket_pair_empty_batch_test.exe chttp2_socket_pair_graceful_server_shutdown_test.exe chttp2_socket_pair_invoke_large_request_test.exe chttp2_socket_pair_max_concurrent_streams_test.exe chttp2_socket_pair_max_message_length_test.exe chttp2_socket_pair_no_op_test.exe chttp2_socket_pair_ping_pong_streaming_test.exe chttp2_socket_pair_registered_call_test.exe chttp2_socket_pair_request_response_with_binary_metadata_and_payload_test.exe chttp2_socket_pair_request_response_with_metadata_and_payload_test.exe chttp2_socket_pair_request_response_with_payload_test.exe chttp2_socket_pair_request_response_with_payload_and_call_creds_test.exe chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_test.exe chttp2_socket_pair_request_with_flags_test.exe chttp2_socket_pair_request_with_large_metadata_test.exe chttp2_socket_pair_request_with_payload_test.exe chttp2_socket_pair_server_finishes_request_test.exe chttp2_socket_pair_simple_delayed_request_test.exe chttp2_socket_pair_simple_request_test.exe chttp2_socket_pair_simple_request_with_high_initial_sequence_number_test.exe chttp2_socket_pair_one_byte_at_a_time_bad_hostname_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_and_writes_closed_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_after_invoke_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_before_invoke_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_in_a_vacuum_test.exe chttp2_socket_pair_one_byte_at_a_time_census_simple_request_test.exe chttp2_socket_pair_one_byte_at_a_time_disappearing_server_test.exe chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_inflight_calls_test.exe chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_tags_test.exe chttp2_socket_pair_one_byte_at_a_time_empty_batch_test.exe chttp2_socket_pair_one_byte_at_a_time_graceful_server_shutdown_test.exe chttp2_socket_pair_one_byte_at_a_time_invoke_large_request_test.exe chttp2_socket_pair_one_byte_at_a_time_max_concurrent_streams_test.exe chttp2_socket_pair_one_byte_at_a_time_max_message_length_test.exe chttp2_socket_pair_one_byte_at_a_time_no_op_test.exe chttp2_socket_pair_one_byte_at_a_time_ping_pong_streaming_test.exe chttp2_socket_pair_one_byte_at_a_time_registered_call_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_binary_metadata_and_payload_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_metadata_and_payload_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_and_call_creds_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_test.exe chttp2_socket_pair_one_byte_at_a_time_request_with_flags_test.exe chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_test.exe chttp2_socket_pair_one_byte_at_a_time_request_with_payload_test.exe chttp2_socket_pair_one_byte_at_a_time_server_finishes_request_test.exe chttp2_socket_pair_one_byte_at_a_time_simple_delayed_request_test.exe chttp2_socket_pair_one_byte_at_a_time_simple_request_test.exe chttp2_socket_pair_one_byte_at_a_time_simple_request_with_high_initial_sequence_number_test.exe chttp2_socket_pair_with_grpc_trace_bad_hostname_test.exe chttp2_socket_pair_with_grpc_trace_cancel_after_accept_test.exe chttp2_socket_pair_with_grpc_trace_cancel_after_accept_and_writes_closed_test.exe chttp2_socket_pair_with_grpc_trace_cancel_after_invoke_test.exe chttp2_socket_pair_with_grpc_trace_cancel_before_invoke_test.exe chttp2_socket_pair_with_grpc_trace_cancel_in_a_vacuum_test.exe chttp2_socket_pair_with_grpc_trace_census_simple_request_test.exe chttp2_socket_pair_with_grpc_trace_disappearing_server_test.exe chttp2_socket_pair_with_grpc_trace_early_server_shutdown_finishes_inflight_calls_test.exe chttp2_socket_pair_with_grpc_trace_early_server_shutdown_finishes_tags_test.exe chttp2_socket_pair_with_grpc_trace_empty_batch_test.exe chttp2_socket_pair_with_grpc_trace_graceful_server_shutdown_test.exe chttp2_socket_pair_with_grpc_trace_invoke_large_request_test.exe chttp2_socket_pair_with_grpc_trace_max_concurrent_streams_test.exe chttp2_socket_pair_with_grpc_trace_max_message_length_test.exe chttp2_socket_pair_with_grpc_trace_no_op_test.exe chttp2_socket_pair_with_grpc_trace_ping_pong_streaming_test.exe chttp2_socket_pair_with_grpc_trace_registered_call_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_binary_metadata_and_payload_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_metadata_and_payload_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_payload_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_payload_and_call_creds_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_test.exe chttp2_socket_pair_with_grpc_trace_request_with_flags_test.exe chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_test.exe chttp2_socket_pair_with_grpc_trace_request_with_payload_test.exe chttp2_socket_pair_with_grpc_trace_server_finishes_request_test.exe chttp2_socket_pair_with_grpc_trace_simple_delayed_request_test.exe chttp2_socket_pair_with_grpc_trace_simple_request_test.exe chttp2_socket_pair_with_grpc_trace_simple_request_with_high_initial_sequence_number_test.exe chttp2_fullstack_bad_hostname_unsecure_test.exe chttp2_fullstack_cancel_after_accept_unsecure_test.exe chttp2_fullstack_cancel_after_accept_and_writes_closed_unsecure_test.exe chttp2_fullstack_cancel_after_invoke_unsecure_test.exe chttp2_fullstack_cancel_before_invoke_unsecure_test.exe chttp2_fullstack_cancel_in_a_vacuum_unsecure_test.exe chttp2_fullstack_census_simple_request_unsecure_test.exe chttp2_fullstack_disappearing_server_unsecure_test.exe chttp2_fullstack_early_server_shutdown_finishes_inflight_calls_unsecure_test.exe chttp2_fullstack_early_server_shutdown_finishes_tags_unsecure_test.exe chttp2_fullstack_empty_batch_unsecure_test.exe chttp2_fullstack_graceful_server_shutdown_unsecure_test.exe chttp2_fullstack_invoke_large_request_unsecure_test.exe chttp2_fullstack_max_concurrent_streams_unsecure_test.exe chttp2_fullstack_max_message_length_unsecure_test.exe chttp2_fullstack_no_op_unsecure_test.exe chttp2_fullstack_ping_pong_streaming_unsecure_test.exe chttp2_fullstack_registered_call_unsecure_test.exe chttp2_fullstack_request_response_with_binary_metadata_and_payload_unsecure_test.exe chttp2_fullstack_request_response_with_metadata_and_payload_unsecure_test.exe chttp2_fullstack_request_response_with_payload_unsecure_test.exe chttp2_fullstack_request_response_with_trailing_metadata_and_payload_unsecure_test.exe chttp2_fullstack_request_with_flags_unsecure_test.exe chttp2_fullstack_request_with_large_metadata_unsecure_test.exe chttp2_fullstack_request_with_payload_unsecure_test.exe chttp2_fullstack_server_finishes_request_unsecure_test.exe chttp2_fullstack_simple_delayed_request_unsecure_test.exe chttp2_fullstack_simple_request_unsecure_test.exe chttp2_fullstack_simple_request_with_high_initial_sequence_number_unsecure_test.exe chttp2_socket_pair_bad_hostname_unsecure_test.exe chttp2_socket_pair_cancel_after_accept_unsecure_test.exe chttp2_socket_pair_cancel_after_accept_and_writes_closed_unsecure_test.exe chttp2_socket_pair_cancel_after_invoke_unsecure_test.exe chttp2_socket_pair_cancel_before_invoke_unsecure_test.exe chttp2_socket_pair_cancel_in_a_vacuum_unsecure_test.exe chttp2_socket_pair_census_simple_request_unsecure_test.exe chttp2_socket_pair_disappearing_server_unsecure_test.exe chttp2_socket_pair_early_server_shutdown_finishes_inflight_calls_unsecure_test.exe chttp2_socket_pair_early_server_shutdown_finishes_tags_unsecure_test.exe chttp2_socket_pair_empty_batch_unsecure_test.exe chttp2_socket_pair_graceful_server_shutdown_unsecure_test.exe chttp2_socket_pair_invoke_large_request_unsecure_test.exe chttp2_socket_pair_max_concurrent_streams_unsecure_test.exe chttp2_socket_pair_max_message_length_unsecure_test.exe chttp2_socket_pair_no_op_unsecure_test.exe chttp2_socket_pair_ping_pong_streaming_unsecure_test.exe chttp2_socket_pair_registered_call_unsecure_test.exe chttp2_socket_pair_request_response_with_binary_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_request_response_with_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_request_response_with_payload_unsecure_test.exe chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_request_with_flags_unsecure_test.exe chttp2_socket_pair_request_with_large_metadata_unsecure_test.exe chttp2_socket_pair_request_with_payload_unsecure_test.exe chttp2_socket_pair_server_finishes_request_unsecure_test.exe chttp2_socket_pair_simple_delayed_request_unsecure_test.exe chttp2_socket_pair_simple_request_unsecure_test.exe chttp2_socket_pair_simple_request_with_high_initial_sequence_number_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_bad_hostname_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_and_writes_closed_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_after_invoke_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_before_invoke_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_in_a_vacuum_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_census_simple_request_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_disappearing_server_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_inflight_calls_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_tags_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_empty_batch_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_graceful_server_shutdown_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_invoke_large_request_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_max_concurrent_streams_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_max_message_length_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_no_op_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_ping_pong_streaming_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_registered_call_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_binary_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_request_with_flags_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_request_with_payload_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_server_finishes_request_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_simple_delayed_request_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_simple_request_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_simple_request_with_high_initial_sequence_number_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_bad_hostname_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_cancel_after_accept_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_cancel_after_accept_and_writes_closed_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_cancel_after_invoke_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_cancel_before_invoke_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_cancel_in_a_vacuum_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_census_simple_request_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_disappearing_server_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_early_server_shutdown_finishes_inflight_calls_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_early_server_shutdown_finishes_tags_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_empty_batch_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_graceful_server_shutdown_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_invoke_large_request_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_max_concurrent_streams_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_max_message_length_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_no_op_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_ping_pong_streaming_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_registered_call_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_binary_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_payload_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_request_with_flags_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_request_with_payload_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_server_finishes_request_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_simple_delayed_request_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_simple_request_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_simple_request_with_high_initial_sequence_number_unsecure_test.exe connection_prefix_bad_client_test.exe initial_settings_frame_bad_client_test.exe 
 	echo All tests built.
 
 buildtests_cxx: interop_client.exe interop_server.exe 
@@ -308,6 +308,13 @@ grpc_json_token_test.exe: build_libs $(OUT_DIR)
 grpc_json_token_test: grpc_json_token_test.exe
 	echo Running grpc_json_token_test
 	$(OUT_DIR)\grpc_json_token_test.exe
+grpc_jwt_verifier_test.exe: build_libs $(OUT_DIR)
+	echo Building grpc_jwt_verifier_test
+	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\test\core\security\jwt_verifier_test.c 
+	$(LINK) $(LFLAGS) /OUT:"$(OUT_DIR)\grpc_jwt_verifier_test.exe" Debug\grpc_test_util.lib Debug\grpc.lib Debug\gpr_test_util.lib Debug\gpr.lib $(LIBS) $(OUT_DIR)\jwt_verifier_test.obj 
+grpc_jwt_verifier_test: grpc_jwt_verifier_test.exe
+	echo Running grpc_jwt_verifier_test
+	$(OUT_DIR)\grpc_jwt_verifier_test.exe
 grpc_print_google_default_creds_token.exe: build_libs $(OUT_DIR)
 	echo Building grpc_print_google_default_creds_token
 	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\test\core\security\print_google_default_creds_token.c 
@@ -329,6 +336,13 @@ grpc_stream_op_test.exe: build_libs $(OUT_DIR)
 grpc_stream_op_test: grpc_stream_op_test.exe
 	echo Running grpc_stream_op_test
 	$(OUT_DIR)\grpc_stream_op_test.exe
+grpc_verify_jwt.exe: build_libs $(OUT_DIR)
+	echo Building grpc_verify_jwt
+	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\test\core\security\verify_jwt.c 
+	$(LINK) $(LFLAGS) /OUT:"$(OUT_DIR)\grpc_verify_jwt.exe" Debug\grpc_test_util.lib Debug\grpc.lib Debug\gpr_test_util.lib Debug\gpr.lib $(LIBS) $(OUT_DIR)\verify_jwt.obj 
+grpc_verify_jwt: grpc_verify_jwt.exe
+	echo Running grpc_verify_jwt
+	$(OUT_DIR)\grpc_verify_jwt.exe
 hpack_parser_test.exe: build_libs $(OUT_DIR)
 	echo Building hpack_parser_test
 	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\test\core\transport\chttp2\hpack_parser_test.c 
diff --git a/vsprojects/grpc/grpc.vcxproj b/vsprojects/grpc/grpc.vcxproj
index af3d9a13e3..f62d236c2e 100644
--- a/vsprojects/grpc/grpc.vcxproj
+++ b/vsprojects/grpc/grpc.vcxproj
@@ -164,6 +164,7 @@
     <ClInclude Include="..\..\src\core\security\base64.h" />
     <ClInclude Include="..\..\src\core\security\credentials.h" />
     <ClInclude Include="..\..\src\core\security\json_token.h" />
+    <ClInclude Include="..\..\src\core\security\jwt_verifier.h" />
     <ClInclude Include="..\..\src\core\security\secure_endpoint.h" />
     <ClInclude Include="..\..\src\core\security\secure_transport_setup.h" />
     <ClInclude Include="..\..\src\core\security\security_connector.h" />
@@ -284,6 +285,8 @@
     </ClCompile>
     <ClCompile Include="..\..\src\core\security\json_token.c">
     </ClCompile>
+    <ClCompile Include="..\..\src\core\security\jwt_verifier.c">
+    </ClCompile>
     <ClCompile Include="..\..\src\core\security\secure_endpoint.c">
     </ClCompile>
     <ClCompile Include="..\..\src\core\security\secure_transport_setup.c">
diff --git a/vsprojects/grpc/grpc.vcxproj.filters b/vsprojects/grpc/grpc.vcxproj.filters
index f16a27ff05..c80b2801b7 100644
--- a/vsprojects/grpc/grpc.vcxproj.filters
+++ b/vsprojects/grpc/grpc.vcxproj.filters
@@ -37,6 +37,9 @@
     <ClCompile Include="..\..\src\core\security\json_token.c">
       <Filter>src\core\security</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\src\core\security\jwt_verifier.c">
+      <Filter>src\core\security</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\src\core\security\secure_endpoint.c">
       <Filter>src\core\security</Filter>
     </ClCompile>
@@ -416,6 +419,9 @@
     <ClInclude Include="..\..\src\core\security\json_token.h">
       <Filter>src\core\security</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\src\core\security\jwt_verifier.h">
+      <Filter>src\core\security</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\src\core\security\secure_endpoint.h">
       <Filter>src\core\security</Filter>
     </ClInclude>
-- 
cgit v1.2.3


From 0ac7cddf183b452bda860781239a7fffcd6b8a12 Mon Sep 17 00:00:00 2001
From: Julien Boeuf <jboeuf@google.com>
Date: Tue, 30 Jun 2015 14:53:05 +0200
Subject: Actually we also wait hex for this one.

---
 src/core/transport/chttp2_transport.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/core')

diff --git a/src/core/transport/chttp2_transport.c b/src/core/transport/chttp2_transport.c
index 21d65cd3aa..a5ef0ac82d 100644
--- a/src/core/transport/chttp2_transport.c
+++ b/src/core/transport/chttp2_transport.c
@@ -552,7 +552,7 @@ static void writing_action(void *gt, int iomgr_success_ignored) {
 void grpc_chttp2_add_incoming_goaway(
     grpc_chttp2_transport_global *transport_global, gpr_uint32 goaway_error,
     gpr_slice goaway_text) {
-  char *msg = gpr_dump_slice(goaway_text, GPR_DUMP_ASCII);
+  char *msg = gpr_dump_slice(goaway_text, GPR_DUMP_HEX | GPR_DUMP_ASCII);
   gpr_log(GPR_DEBUG, "got goaway [%d]: %s", goaway_error, msg);
   gpr_free(msg);
   if (transport_global->goaway_state == GRPC_CHTTP2_ERROR_STATE_NONE) {
-- 
cgit v1.2.3


From d8c466ece12a88df844b5a2bf44c65cdbbfda4f1 Mon Sep 17 00:00:00 2001
From: yang-g <yangg@google.com>
Date: Tue, 30 Jun 2015 09:50:53 -0700
Subject: Create client side auth context in the auth filter

---
 src/core/security/client_auth_filter.c | 22 +++++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

(limited to 'src/core')

diff --git a/src/core/security/client_auth_filter.c b/src/core/security/client_auth_filter.c
index 0867bd7053..ddc91a93c2 100644
--- a/src/core/security/client_auth_filter.c
+++ b/src/core/security/client_auth_filter.c
@@ -56,6 +56,7 @@ typedef struct {
   grpc_transport_op op;
   size_t op_md_idx;
   int sent_initial_metadata;
+  gpr_uint8 security_context_set;
   grpc_linked_mdelem md_links[MAX_CREDENTIALS_METADATA_COUNT];
 } call_data;
 
@@ -193,8 +194,26 @@ static void auth_start_transport_op(grpc_call_element *elem,
   channel_data *chand = elem->channel_data;
   grpc_linked_mdelem *l;
   size_t i;
+  grpc_client_security_context* sec_ctx = NULL;
 
-  /* TODO(jboeuf): write the call auth context. */
+  if (calld->security_context_set == 0) {
+    calld->security_context_set = 1;
+    GPR_ASSERT(op->context);
+    if (op->context[GRPC_CONTEXT_SECURITY].value == NULL) {
+      op->context[GRPC_CONTEXT_SECURITY].value =
+          grpc_client_security_context_create();
+      op->context[GRPC_CONTEXT_SECURITY].destroy =
+          grpc_client_security_context_destroy;
+    }
+    sec_ctx = op->context[GRPC_CONTEXT_SECURITY].value;
+    if (sec_ctx->auth_context == NULL) {
+      sec_ctx->auth_context =
+          grpc_auth_context_ref(chand->security_connector->base.auth_context);
+    } else {
+      sec_ctx->auth_context->chained =
+          grpc_auth_context_ref(chand->security_connector->base.auth_context);
+    }
+  }
 
   if (op->send_ops && !calld->sent_initial_metadata) {
     size_t nops = op->send_ops->nops;
@@ -259,6 +278,7 @@ static void init_call_elem(grpc_call_element *elem,
   calld->host = NULL;
   calld->method = NULL;
   calld->sent_initial_metadata = 0;
+  calld->security_context_set = 0;
 
   GPR_ASSERT(!initial_op || !initial_op->send_ops);
 }
-- 
cgit v1.2.3


From e2aa487936de5d1734137be8a6b46766aa337c0b Mon Sep 17 00:00:00 2001
From: Alistair Veitch <aveitch@google.com>
Date: Wed, 1 Jul 2015 02:00:32 -0700
Subject: review changes

---
 include/grpc++/client_context.h | 2 +-
 src/core/census/grpc_context.c  | 4 +---
 src/core/census/grpc_context.h  | 3 ---
 3 files changed, 2 insertions(+), 7 deletions(-)

(limited to 'src/core')

diff --git a/include/grpc++/client_context.h b/include/grpc++/client_context.h
index 09aa10508d..4d96d862e7 100644
--- a/include/grpc++/client_context.h
+++ b/include/grpc++/client_context.h
@@ -38,7 +38,6 @@
 #include <memory>
 #include <string>
 
-#include <grpc/census.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
 #include <grpc++/config.h>
@@ -47,6 +46,7 @@
 
 struct grpc_call;
 struct grpc_completion_queue;
+struct census_context;
 
 namespace grpc {
 
diff --git a/src/core/census/grpc_context.c b/src/core/census/grpc_context.c
index ffdab82570..0ed63469b6 100644
--- a/src/core/census/grpc_context.c
+++ b/src/core/census/grpc_context.c
@@ -34,9 +34,7 @@
 #include <grpc/census.h>
 #include "src/core/census/grpc_context.h"
 
-void *grpc_census_context_create() { return NULL; }
-
-void grpc_census_context_destroy(void *context) {
+static void grpc_census_context_destroy(void *context) {
   census_context_destroy((census_context *)context);
 }
 
diff --git a/src/core/census/grpc_context.h b/src/core/census/grpc_context.h
index 01f35c3213..4637e7218e 100644
--- a/src/core/census/grpc_context.h
+++ b/src/core/census/grpc_context.h
@@ -43,9 +43,6 @@
 extern "C" {
 #endif
 
-void *grpc_census_context_create();
-void grpc_census_context_destroy(void *context);
-
 /* Set census context for the call; Must be called before first call to
    grpc_call_start_batch(). */
 void grpc_census_call_set_context(grpc_call *call, census_context *context);
-- 
cgit v1.2.3


From 2805be1aa5a3cfe0f425ab89de9bad0d5c48a1d1 Mon Sep 17 00:00:00 2001
From: Julien Boeuf <jboeuf@google.com>
Date: Wed, 1 Jul 2015 02:47:18 -0700
Subject: Adding support for raw access token credentials.

---
 include/grpc++/credentials.h          |  6 ++++
 include/grpc/grpc_security.h          |  9 ++++--
 src/core/security/credentials.c       | 53 +++++++++++++++++++++++++++++++++++
 src/cpp/client/secure_credentials.cc  |  7 +++++
 test/core/security/credentials_test.c | 22 +++++++++++++++
 5 files changed, 95 insertions(+), 2 deletions(-)

(limited to 'src/core')

diff --git a/include/grpc++/credentials.h b/include/grpc++/credentials.h
index 7a40cd199d..0eaaefcbca 100644
--- a/include/grpc++/credentials.h
+++ b/include/grpc++/credentials.h
@@ -120,6 +120,12 @@ std::shared_ptr<Credentials> JWTCredentials(const grpc::string& json_key,
 std::shared_ptr<Credentials> RefreshTokenCredentials(
     const grpc::string& json_refresh_token);
 
+// Builds access token credentials.
+// access_token is an oauth2 access token that was fetched using an out of band
+// mechanism.
+std::shared_ptr<Credentials> AccessTokenCredentials(
+    const grpc::string& access_token);
+
 // Builds IAM credentials.
 std::shared_ptr<Credentials> IAMCredentials(
     const grpc::string& authorization_token,
diff --git a/include/grpc/grpc_security.h b/include/grpc/grpc_security.h
index 7a6aa66670..1f91e65278 100644
--- a/include/grpc/grpc_security.h
+++ b/include/grpc/grpc_security.h
@@ -126,13 +126,18 @@ grpc_credentials *grpc_jwt_credentials_create(const char *json_key,
 grpc_credentials *grpc_refresh_token_credentials_create(
     const char *json_refresh_token);
 
-/* Creates a fake transport security credentials object for testing. */
-grpc_credentials *grpc_fake_transport_security_credentials_create(void);
+/* Creates an Oauth2 Access Token credentials with an access token that was
+   aquired by an out of band mechanism. */
+grpc_credentials *grpc_access_token_credentials_create(
+    const char *access_token);
 
 /* Creates an IAM credentials object. */
 grpc_credentials *grpc_iam_credentials_create(const char *authorization_token,
                                               const char *authority_selector);
 
+/* Creates a fake transport security credentials object for testing. */
+grpc_credentials *grpc_fake_transport_security_credentials_create(void);
+
 /* --- Secure channel creation. --- */
 
 /* The caller of the secure_channel_create functions may override the target
diff --git a/src/core/security/credentials.c b/src/core/security/credentials.c
index cf663faf2d..2f2f17c315 100644
--- a/src/core/security/credentials.c
+++ b/src/core/security/credentials.c
@@ -876,6 +876,59 @@ grpc_credentials *grpc_fake_oauth2_credentials_create(
   return &c->base;
 }
 
+/* -- Oauth2 Access Token credentials. -- */
+
+typedef struct {
+  grpc_credentials base;
+  grpc_credentials_md_store *access_token_md;
+} grpc_access_token_credentials;
+
+static void access_token_destroy(grpc_credentials *creds) {
+  grpc_access_token_credentials *c = (grpc_access_token_credentials *)creds;
+  grpc_credentials_md_store_unref(c->access_token_md);
+  gpr_free(c);
+}
+
+static int access_token_has_request_metadata(const grpc_credentials *creds) {
+  return 1;
+}
+
+static int access_token_has_request_metadata_only(
+    const grpc_credentials *creds) {
+  return 1;
+}
+
+static void access_token_get_request_metadata(grpc_credentials *creds,
+                                             grpc_pollset *pollset,
+                                             const char *service_url,
+                                             grpc_credentials_metadata_cb cb,
+                                             void *user_data) {
+  grpc_access_token_credentials *c = (grpc_access_token_credentials *)creds;
+  cb(user_data, c->access_token_md->entries, 1, GRPC_CREDENTIALS_OK);
+}
+
+static grpc_credentials_vtable access_token_vtable = {
+    access_token_destroy, access_token_has_request_metadata,
+    access_token_has_request_metadata_only, access_token_get_request_metadata,
+    NULL};
+
+grpc_credentials *grpc_access_token_credentials_create(
+    const char *access_token) {
+  grpc_access_token_credentials *c =
+      gpr_malloc(sizeof(grpc_access_token_credentials));
+  char *token_md_value;
+  memset(c, 0, sizeof(grpc_access_token_credentials));
+  c->base.type = GRPC_CREDENTIALS_TYPE_OAUTH2;
+  c->base.vtable = &access_token_vtable;
+  gpr_ref_init(&c->base.refcount, 1);
+  c->access_token_md = grpc_credentials_md_store_create(1);
+  gpr_asprintf(&token_md_value, "Bearer %s", access_token);
+  grpc_credentials_md_store_add_cstrings(
+      c->access_token_md, GRPC_AUTHORIZATION_METADATA_KEY, token_md_value);
+  gpr_free(token_md_value);
+  return &c->base;
+}
+
 /* -- Fake transport security credentials. -- */
 
 static void fake_transport_security_credentials_destroy(
diff --git a/src/cpp/client/secure_credentials.cc b/src/cpp/client/secure_credentials.cc
index b5134b3140..4d200908fb 100644
--- a/src/cpp/client/secure_credentials.cc
+++ b/src/cpp/client/secure_credentials.cc
@@ -117,6 +117,13 @@ std::shared_ptr<Credentials> RefreshTokenCredentials(
       grpc_refresh_token_credentials_create(json_refresh_token.c_str()));
 }
 
+// Builds access token credentials.
+std::shared_ptr<Credentials> AccessTokenCredentials(
+    const grpc::string& access_token) {
+  return WrapCredentials(
+      grpc_access_token_credentials_create(access_token.c_str()));
+}
+
 // Builds IAM credentials.
 std::shared_ptr<Credentials> IAMCredentials(
     const grpc::string& authorization_token,
diff --git a/test/core/security/credentials_test.c b/test/core/security/credentials_test.c
index 4253be6b07..e8bb730849 100644
--- a/test/core/security/credentials_test.c
+++ b/test/core/security/credentials_test.c
@@ -331,6 +331,27 @@ static void test_iam_creds(void) {
                                         check_iam_metadata, creds);
 }
 
+static void check_access_token_metadata(void *user_data,
+                                        grpc_credentials_md *md_elems,
+                                        size_t num_md,
+                                        grpc_credentials_status status) {
+  grpc_credentials *c = (grpc_credentials *)user_data;
+  expected_md emd[] = {{GRPC_AUTHORIZATION_METADATA_KEY, "Bearer blah"}};
+  GPR_ASSERT(status == GRPC_CREDENTIALS_OK);
+  GPR_ASSERT(num_md == 1);
+  check_metadata(emd, md_elems, num_md);
+  grpc_credentials_unref(c);
+}
+
+static void test_access_token_creds(void) {
+  grpc_credentials *creds = grpc_access_token_credentials_create("blah");
+  GPR_ASSERT(grpc_credentials_has_request_metadata(creds));
+  GPR_ASSERT(grpc_credentials_has_request_metadata_only(creds));
+  GPR_ASSERT(strcmp(creds->type, GRPC_CREDENTIALS_TYPE_OAUTH2) == 0);
+  grpc_credentials_get_request_metadata(creds, NULL, test_service_url,
+                                        check_access_token_metadata, creds);
+}
+
 static void check_ssl_oauth2_composite_metadata(
     void *user_data, grpc_credentials_md *md_elems, size_t num_md,
     grpc_credentials_status status) {
@@ -863,6 +884,7 @@ int main(int argc, char **argv) {
   test_oauth2_token_fetcher_creds_parsing_missing_token_type();
   test_oauth2_token_fetcher_creds_parsing_missing_token_lifetime();
   test_iam_creds();
+  test_access_token_creds();
   test_ssl_oauth2_composite_creds();
   test_ssl_oauth2_iam_composite_creds();
   test_compute_engine_creds_success();
-- 
cgit v1.2.3


From 092d8d1b7f4acd55a7bb89b10deb8e4c33ad6930 Mon Sep 17 00:00:00 2001
From: Craig Tiller <craig.tiller@gmail.com>
Date: Sat, 4 Jul 2015 22:35:00 -0700
Subject: Remove ALL_CALLS list

---
 src/core/surface/server.c | 104 +++++++++++++++++++---------------------------
 1 file changed, 43 insertions(+), 61 deletions(-)

(limited to 'src/core')

diff --git a/src/core/surface/server.c b/src/core/surface/server.c
index f29d47c17c..ee394bb33a 100644
--- a/src/core/surface/server.c
+++ b/src/core/surface/server.c
@@ -51,7 +51,7 @@
 #include <grpc/support/string_util.h>
 #include <grpc/support/useful.h>
 
-typedef enum { PENDING_START, ALL_CALLS, CALL_LIST_COUNT } call_list;
+typedef enum { PENDING_START, CALL_LIST_COUNT } call_list;
 
 typedef struct listener {
   void *arg;
@@ -183,6 +183,10 @@ typedef enum {
 struct call_data {
   grpc_call *call;
 
+  /** is this call counted towards the channels total
+      number of calls? */
+  gpr_uint8 active;
+
   call_state state;
   grpc_mdstr *path;
   grpc_mdstr *host;
@@ -280,15 +284,27 @@ static void send_shutdown(grpc_channel *channel, int send_goaway,
 }
 
 static void channel_broadcaster_shutdown(channel_broadcaster *cb,
-                                         int send_goaway, int send_disconnect) {
+                                         int send_goaway, int force_disconnect) {
   size_t i;
 
+  if (send_goaway) {
+    for (i = 0; i < cb->num_channels; i++) {
+      send_shutdown(cb->channels[i], 1, 0);
+    }
+  }
+  if (force_disconnect) {
+    for (i = 0; i < cb->num_channels; i++) {
+      send_shutdown(cb->channels[i], 0, 1);
+    }
+  } else {
+    for (i = 0; i < cb->num_disconnects; i++) {
+      send_shutdown(cb->disconnects[i], 0, 1);
+    }
+  }
   for (i = 0; i < cb->num_channels; i++) {
-    send_shutdown(cb->channels[i], 1, 0);
     GRPC_CHANNEL_INTERNAL_UNREF(cb->channels[i], "broadcast");
   }
   for (i = 0; i < cb->num_disconnects; i++) {
-    send_shutdown(cb->disconnects[i], 0, 1);
     GRPC_CHANNEL_INTERNAL_UNREF(cb->channels[i], "broadcast-disconnect");
   }
   gpr_free(cb->channels);
@@ -501,15 +517,6 @@ static void maybe_finish_shutdown(grpc_server *server) {
     return;
   }
 
-  gpr_mu_lock(&server->mu_call);
-  if (server->lists[ALL_CALLS] != NULL) {
-    gpr_log(GPR_DEBUG,
-            "Waiting for all calls to finish before destroying server");
-    gpr_mu_unlock(&server->mu_call);
-    return;
-  }
-  gpr_mu_unlock(&server->mu_call);
-
   if (server->root_channel_data.next != &server->root_channel_data) {
     gpr_log(GPR_DEBUG,
             "Waiting for all channels to close before destroying server");
@@ -601,7 +608,8 @@ static void server_on_recv(void *ptr, int success) {
         grpc_iomgr_closure_init(&calld->kill_zombie_closure, kill_zombie, elem);
         grpc_iomgr_add_callback(&calld->kill_zombie_closure);
       }
-      remove_res = call_list_remove(calld, ALL_CALLS);
+      remove_res = calld->active;
+      calld->active = 0;
       gpr_mu_unlock(&chand->server->mu_call);
       gpr_mu_lock(&chand->server->mu_global);
       if (remove_res) {
@@ -676,13 +684,10 @@ static void init_call_elem(grpc_call_element *elem,
   memset(calld, 0, sizeof(call_data));
   calld->deadline = gpr_inf_future;
   calld->call = grpc_call_from_top_element(elem);
+  calld->active = 1;
 
   grpc_iomgr_closure_init(&calld->server_on_recv, server_on_recv, elem);
 
-  gpr_mu_lock(&chand->server->mu_call);
-  call_list_join(&chand->server->lists[ALL_CALLS], calld, ALL_CALLS);
-  gpr_mu_unlock(&chand->server->mu_call);
-
   gpr_mu_lock(&chand->server->mu_global);
   chand->num_calls++;
   gpr_mu_unlock(&chand->server->mu_global);
@@ -695,20 +700,31 @@ static void init_call_elem(grpc_call_element *elem,
 static void destroy_call_elem(grpc_call_element *elem) {
   channel_data *chand = elem->channel_data;
   call_data *calld = elem->call_data;
-  int removed[CALL_LIST_COUNT];
+  int disconnect = 0;
+  int active;
   size_t i;
 
   gpr_mu_lock(&chand->server->mu_call);
   for (i = 0; i < CALL_LIST_COUNT; i++) {
-    removed[i] = call_list_remove(elem->call_data, i);
+    call_list_remove(elem->call_data, i);
   }
+  active = calld->active;
+  calld->active = 0;
   gpr_mu_unlock(&chand->server->mu_call);
-  if (removed[ALL_CALLS]) {
+  if (active) {
     gpr_mu_lock(&chand->server->mu_global);
-    decrement_call_count(chand);
+    disconnect = decrement_call_count(chand);
+    if (disconnect) {
+      GRPC_CHANNEL_INTERNAL_REF(chand->channel, "send-disconnect");
+    }
     gpr_mu_unlock(&chand->server->mu_global);
   }
 
+  if (disconnect) {
+    send_shutdown(chand->channel, 0, 1);
+    GRPC_CHANNEL_INTERNAL_UNREF(chand->channel, "send-disconnect");
+  }
+
   if (calld->host) {
     grpc_mdstr_unref(calld->host);
   }
@@ -1049,47 +1065,13 @@ void grpc_server_listener_destroy_done(void *s) {
 }
 
 void grpc_server_cancel_all_calls(grpc_server *server) {
-  call_data *calld;
-  grpc_call **calls;
-  size_t call_count;
-  size_t call_capacity;
-  int is_first = 1;
-  size_t i;
-
-  gpr_mu_lock(&server->mu_call);
-
-  GPR_ASSERT(server->shutdown);
-
-  if (!server->lists[ALL_CALLS]) {
-    gpr_mu_unlock(&server->mu_call);
-    return;
-  }
-
-  call_capacity = 8;
-  call_count = 0;
-  calls = gpr_malloc(sizeof(grpc_call *) * call_capacity);
-
-  for (calld = server->lists[ALL_CALLS];
-       calld != server->lists[ALL_CALLS] || is_first;
-       calld = calld->links[ALL_CALLS].next) {
-    if (call_count == call_capacity) {
-      call_capacity *= 2;
-      calls = gpr_realloc(calls, sizeof(grpc_call *) * call_capacity);
-    }
-    calls[call_count++] = calld->call;
-    GRPC_CALL_INTERNAL_REF(calld->call, "cancel_all");
-    is_first = 0;
-  }
-
-  gpr_mu_unlock(&server->mu_call);
+  channel_broadcaster broadcaster;
 
-  for (i = 0; i < call_count; i++) {
-    grpc_call_cancel_with_status(calls[i], GRPC_STATUS_UNAVAILABLE,
-                                 "Unavailable");
-    GRPC_CALL_INTERNAL_UNREF(calls[i], "cancel_all", 1);
-  }
+  gpr_mu_lock(&server->mu_global);
+  channel_broadcaster_init(server, &broadcaster);
+  gpr_mu_unlock(&server->mu_global);
 
-  gpr_free(calls);
+  channel_broadcaster_shutdown(&broadcaster, 0, 1);
 }
 
 void grpc_server_destroy(grpc_server *server) {
-- 
cgit v1.2.3


From 9188d7a2df8217aa9414113a215668118a0dd700 Mon Sep 17 00:00:00 2001
From: Craig Tiller <craig.tiller@gmail.com>
Date: Sun, 5 Jul 2015 12:44:37 -0700
Subject: Change transport contract to automatically disconnect after sending a
 goaway

iff there are no calls left - lets us remove this tracking from the server where it required a server-wide lock, and instead do the processing under the transport lock which parallelizes much more cleanly.
---
 src/core/surface/server.c                | 86 +-------------------------------
 src/core/transport/chttp2/internal.h     |  8 ++-
 src/core/transport/chttp2/stream_lists.c |  9 +++-
 src/core/transport/chttp2_transport.c    | 11 +++-
 src/core/transport/transport.h           |  4 +-
 5 files changed, 27 insertions(+), 91 deletions(-)

(limited to 'src/core')

diff --git a/src/core/surface/server.c b/src/core/surface/server.c
index ee394bb33a..341ca2942c 100644
--- a/src/core/surface/server.c
+++ b/src/core/surface/server.c
@@ -114,7 +114,6 @@ typedef struct channel_registered_method {
 
 struct channel_data {
   grpc_server *server;
-  size_t num_calls;
   grpc_connectivity_state connectivity_state;
   grpc_channel *channel;
   grpc_mdstr *path_key;
@@ -183,10 +182,6 @@ typedef enum {
 struct call_data {
   grpc_call *call;
 
-  /** is this call counted towards the channels total
-      number of calls? */
-  gpr_uint8 active;
-
   call_state state;
   grpc_mdstr *path;
   grpc_mdstr *host;
@@ -208,9 +203,7 @@ struct call_data {
 
 typedef struct {
   grpc_channel **channels;
-  grpc_channel **disconnects;
   size_t num_channels;
-  size_t num_disconnects;
 } channel_broadcaster;
 
 #define SERVER_FROM_CALL_ELEM(elem) \
@@ -229,26 +222,15 @@ static void maybe_finish_shutdown(grpc_server *server);
 static void channel_broadcaster_init(grpc_server *s, channel_broadcaster *cb) {
   channel_data *c;
   size_t count = 0;
-  size_t dc_count = 0;
   for (c = s->root_channel_data.next; c != &s->root_channel_data; c = c->next) {
     count++;
-    if (c->num_calls == 0) {
-      dc_count++;
-    }
   }
   cb->num_channels = count;
-  cb->num_disconnects = dc_count;
   cb->channels = gpr_malloc(sizeof(*cb->channels) * cb->num_channels);
-  cb->disconnects = gpr_malloc(sizeof(*cb->channels) * cb->num_disconnects);
   count = 0;
-  dc_count = 0;
   for (c = s->root_channel_data.next; c != &s->root_channel_data; c = c->next) {
     cb->channels[count++] = c->channel;
     GRPC_CHANNEL_INTERNAL_REF(c->channel, "broadcast");
-    if (c->num_calls == 0) {
-      cb->disconnects[dc_count++] = c->channel;
-      GRPC_CHANNEL_INTERNAL_REF(c->channel, "broadcast-disconnect");
-    }
   }
 }
 
@@ -287,28 +269,11 @@ static void channel_broadcaster_shutdown(channel_broadcaster *cb,
                                          int send_goaway, int force_disconnect) {
   size_t i;
 
-  if (send_goaway) {
-    for (i = 0; i < cb->num_channels; i++) {
-      send_shutdown(cb->channels[i], 1, 0);
-    }
-  }
-  if (force_disconnect) {
-    for (i = 0; i < cb->num_channels; i++) {
-      send_shutdown(cb->channels[i], 0, 1);
-    }
-  } else {
-    for (i = 0; i < cb->num_disconnects; i++) {
-      send_shutdown(cb->disconnects[i], 0, 1);
-    }
-  }
   for (i = 0; i < cb->num_channels; i++) {
+    send_shutdown(cb->channels[i], send_goaway, force_disconnect);
     GRPC_CHANNEL_INTERNAL_UNREF(cb->channels[i], "broadcast");
   }
-  for (i = 0; i < cb->num_disconnects; i++) {
-    GRPC_CHANNEL_INTERNAL_UNREF(cb->channels[i], "broadcast-disconnect");
-  }
   gpr_free(cb->channels);
-  gpr_free(cb->disconnects);
 }
 
 /* call list */
@@ -548,22 +513,10 @@ static grpc_mdelem *server_filter(void *user_data, grpc_mdelem *md) {
   return md;
 }
 
-static int decrement_call_count(channel_data *chand) {
-  int disconnect = 0;
-  chand->num_calls--;
-  if (0 == chand->num_calls && chand->server->shutdown) {
-    disconnect = 1;
-  }
-  maybe_finish_shutdown(chand->server);
-  return disconnect;
-}
-
 static void server_on_recv(void *ptr, int success) {
   grpc_call_element *elem = ptr;
   call_data *calld = elem->call_data;
   channel_data *chand = elem->channel_data;
-  int remove_res;
-  int disconnect = 0;
 
   if (success && !calld->got_initial_metadata) {
     size_t i;
@@ -608,21 +561,7 @@ static void server_on_recv(void *ptr, int success) {
         grpc_iomgr_closure_init(&calld->kill_zombie_closure, kill_zombie, elem);
         grpc_iomgr_add_callback(&calld->kill_zombie_closure);
       }
-      remove_res = calld->active;
-      calld->active = 0;
       gpr_mu_unlock(&chand->server->mu_call);
-      gpr_mu_lock(&chand->server->mu_global);
-      if (remove_res) {
-        disconnect = decrement_call_count(chand);
-        if (disconnect) {
-          GRPC_CHANNEL_INTERNAL_REF(chand->channel, "send-disconnect");
-        }
-      }
-      gpr_mu_unlock(&chand->server->mu_global);
-      if (disconnect) {
-        send_shutdown(chand->channel, 0, 1);
-        GRPC_CHANNEL_INTERNAL_UNREF(chand->channel, "send-disconnect");
-      }
       break;
   }
 
@@ -684,14 +623,9 @@ static void init_call_elem(grpc_call_element *elem,
   memset(calld, 0, sizeof(call_data));
   calld->deadline = gpr_inf_future;
   calld->call = grpc_call_from_top_element(elem);
-  calld->active = 1;
 
   grpc_iomgr_closure_init(&calld->server_on_recv, server_on_recv, elem);
 
-  gpr_mu_lock(&chand->server->mu_global);
-  chand->num_calls++;
-  gpr_mu_unlock(&chand->server->mu_global);
-
   server_ref(chand->server);
 
   if (initial_op) server_mutate_op(elem, initial_op);
@@ -700,30 +634,13 @@ static void init_call_elem(grpc_call_element *elem,
 static void destroy_call_elem(grpc_call_element *elem) {
   channel_data *chand = elem->channel_data;
   call_data *calld = elem->call_data;
-  int disconnect = 0;
-  int active;
   size_t i;
 
   gpr_mu_lock(&chand->server->mu_call);
   for (i = 0; i < CALL_LIST_COUNT; i++) {
     call_list_remove(elem->call_data, i);
   }
-  active = calld->active;
-  calld->active = 0;
   gpr_mu_unlock(&chand->server->mu_call);
-  if (active) {
-    gpr_mu_lock(&chand->server->mu_global);
-    disconnect = decrement_call_count(chand);
-    if (disconnect) {
-      GRPC_CHANNEL_INTERNAL_REF(chand->channel, "send-disconnect");
-    }
-    gpr_mu_unlock(&chand->server->mu_global);
-  }
-
-  if (disconnect) {
-    send_shutdown(chand->channel, 0, 1);
-    GRPC_CHANNEL_INTERNAL_UNREF(chand->channel, "send-disconnect");
-  }
 
   if (calld->host) {
     grpc_mdstr_unref(calld->host);
@@ -743,7 +660,6 @@ static void init_channel_elem(grpc_channel_element *elem, grpc_channel *master,
   GPR_ASSERT(is_first);
   GPR_ASSERT(!is_last);
   chand->server = NULL;
-  chand->num_calls = 0;
   chand->channel = NULL;
   chand->path_key = grpc_mdstr_from_string(metadata_context, ":path");
   chand->authority_key = grpc_mdstr_from_string(metadata_context, ":authority");
diff --git a/src/core/transport/chttp2/internal.h b/src/core/transport/chttp2/internal.h
index 7f98a5bd71..bdd4b432eb 100644
--- a/src/core/transport/chttp2/internal.h
+++ b/src/core/transport/chttp2/internal.h
@@ -173,6 +173,8 @@ typedef struct {
 
   /** have we seen a goaway */
   gpr_uint8 seen_goaway;
+  /** have we sent a goaway */
+  gpr_uint8 sent_goaway;
 
   /** is this transport a client? */
   gpr_uint8 is_client;
@@ -557,8 +559,10 @@ void grpc_chttp2_add_incoming_goaway(
 
 void grpc_chttp2_register_stream(grpc_chttp2_transport *t,
                                  grpc_chttp2_stream *s);
-void grpc_chttp2_unregister_stream(grpc_chttp2_transport *t,
-                                   grpc_chttp2_stream *s);
+/* returns 1 if this is the last stream, 0 otherwise */
+int grpc_chttp2_unregister_stream(grpc_chttp2_transport *t,
+                                  grpc_chttp2_stream *s) GRPC_MUST_USE_RESULT;
+int grpc_chttp2_has_streams(grpc_chttp2_transport *t);
 void grpc_chttp2_for_all_streams(
     grpc_chttp2_transport_global *transport_global, void *user_data,
     void (*cb)(grpc_chttp2_transport_global *transport_global, void *user_data,
diff --git a/src/core/transport/chttp2/stream_lists.c b/src/core/transport/chttp2/stream_lists.c
index 85691b32d2..4fea058c19 100644
--- a/src/core/transport/chttp2/stream_lists.c
+++ b/src/core/transport/chttp2/stream_lists.c
@@ -354,9 +354,14 @@ void grpc_chttp2_register_stream(grpc_chttp2_transport *t,
   stream_list_add_tail(t, s, GRPC_CHTTP2_LIST_ALL_STREAMS);
 }
 
-void grpc_chttp2_unregister_stream(grpc_chttp2_transport *t,
+int grpc_chttp2_unregister_stream(grpc_chttp2_transport *t,
                                    grpc_chttp2_stream *s) {
-  stream_list_remove(t, s, GRPC_CHTTP2_LIST_ALL_STREAMS);
+  stream_list_maybe_remove(t, s, GRPC_CHTTP2_LIST_ALL_STREAMS);
+  return stream_list_empty(t, GRPC_CHTTP2_LIST_ALL_STREAMS);
+}
+
+int grpc_chttp2_has_streams(grpc_chttp2_transport *t) {
+  return !stream_list_empty(t, GRPC_CHTTP2_LIST_ALL_STREAMS);
 }
 
 void grpc_chttp2_for_all_streams(
diff --git a/src/core/transport/chttp2_transport.c b/src/core/transport/chttp2_transport.c
index 0a7b8f5bf9..d955de8865 100644
--- a/src/core/transport/chttp2_transport.c
+++ b/src/core/transport/chttp2_transport.c
@@ -385,7 +385,9 @@ static void destroy_stream(grpc_transport *gt, grpc_stream *gs) {
   GPR_ASSERT(s->global.published_state == GRPC_STREAM_CLOSED ||
              s->global.id == 0);
   GPR_ASSERT(!s->global.in_stream_map);
-  grpc_chttp2_unregister_stream(t, s);
+  if (grpc_chttp2_unregister_stream(t, s) && t->global.sent_goaway) {
+    close_transport_locked(t);
+  }
   if (!t->parsing_active && s->global.id) {
     GPR_ASSERT(grpc_chttp2_stream_map_find(&t->parsing_stream_map,
                                            s->global.id) == NULL);
@@ -684,10 +686,14 @@ static void perform_transport_op(grpc_transport *gt, grpc_transport_op *op) {
   }
 
   if (op->send_goaway) {
+    t->global.sent_goaway = 1;
     grpc_chttp2_goaway_append(
         t->global.last_incoming_stream_id,
         grpc_chttp2_grpc_status_to_http2_error(op->goaway_status),
         *op->goaway_message, &t->global.qbuf);
+    if (!grpc_chttp2_has_streams(t)) {
+      close_transport_locked(t);
+    }
   }
 
   if (op->set_accept_stream != NULL) {
@@ -736,6 +742,9 @@ static void remove_stream(grpc_chttp2_transport *t, gpr_uint32 id) {
     t->parsing.incoming_stream = NULL;
     grpc_chttp2_parsing_become_skip_parser(&t->parsing);
   }
+  if (grpc_chttp2_unregister_stream(t, s) && t->global.sent_goaway) {
+    close_transport_locked(t);
+  }
 
   new_stream_count = grpc_chttp2_stream_map_size(&t->parsing_stream_map) +
                      grpc_chttp2_stream_map_size(&t->new_stream_map);
diff --git a/src/core/transport/transport.h b/src/core/transport/transport.h
index 579bcc943f..1429737721 100644
--- a/src/core/transport/transport.h
+++ b/src/core/transport/transport.h
@@ -91,7 +91,9 @@ typedef struct grpc_transport_op {
   grpc_connectivity_state *connectivity_state;
   /** should the transport be disconnected */
   int disconnect;
-  /** should we send a goaway? */
+  /** should we send a goaway?
+      after a goaway is sent, once there are no more active calls on
+      the transport, the transport should disconnect */
   int send_goaway;
   /** what should the goaway contain? */
   grpc_status_code goaway_status;
-- 
cgit v1.2.3


From 1a65a234d9643936b793da4ed9c0fca123dcb813 Mon Sep 17 00:00:00 2001
From: Craig Tiller <ctiller@google.com>
Date: Mon, 6 Jul 2015 10:22:32 -0700
Subject: Add metadata refcount debugging

---
 src/core/channel/census_filter.c                 |   2 +-
 src/core/channel/http_client_filter.c            |  18 ++--
 src/core/channel/http_server_filter.c            |  30 +++----
 src/core/security/client_auth_filter.c           |  20 ++---
 src/core/surface/call.c                          |  20 ++---
 src/core/surface/channel.c                       |  34 +++----
 src/core/surface/server.c                        |  16 ++--
 src/core/transport/chttp2/hpack_parser.c         |  12 +--
 src/core/transport/chttp2/hpack_table.c          |   6 +-
 src/core/transport/chttp2/incoming_metadata.c    |   2 +-
 src/core/transport/chttp2/parsing.c              |   4 +-
 src/core/transport/chttp2/stream_encoder.c       |  26 +++---
 src/core/transport/chttp2_transport.c            |   2 +-
 src/core/transport/metadata.c                    | 107 ++++++++++++++++++-----
 src/core/transport/metadata.h                    |  26 +++++-
 src/core/transport/stream_op.c                   |   6 +-
 src/core/transport/transport.c                   |   2 +-
 test/core/transport/chttp2/hpack_parser_test.c   |   2 +-
 test/core/transport/chttp2/hpack_table_test.c    |   2 +-
 test/core/transport/chttp2/stream_encoder_test.c |   2 +-
 test/core/transport/metadata_test.c              |  38 ++++----
 21 files changed, 232 insertions(+), 145 deletions(-)

(limited to 'src/core')

diff --git a/src/core/channel/census_filter.c b/src/core/channel/census_filter.c
index 83b7682848..43ef5fb3ff 100644
--- a/src/core/channel/census_filter.c
+++ b/src/core/channel/census_filter.c
@@ -197,7 +197,7 @@ static void destroy_channel_elem(grpc_channel_element* elem) {
   channel_data* chand = elem->channel_data;
   GPR_ASSERT(chand != NULL);
   if (chand->path_str != NULL) {
-    grpc_mdstr_unref(chand->path_str);
+    GRPC_MDSTR_UNREF(chand->path_str);
   }
 }
 
diff --git a/src/core/channel/http_client_filter.c b/src/core/channel/http_client_filter.c
index 581eb13f58..63e4912397 100644
--- a/src/core/channel/http_client_filter.c
+++ b/src/core/channel/http_client_filter.c
@@ -108,13 +108,13 @@ static void hc_mutate_op(grpc_call_element *elem,
       /* Send : prefixed headers, which have to be before any application
          layer headers. */
       grpc_metadata_batch_add_head(&op->data.metadata, &calld->method,
-                                   grpc_mdelem_ref(channeld->method));
+                                   GRPC_MDELEM_REF(channeld->method));
       grpc_metadata_batch_add_head(&op->data.metadata, &calld->scheme,
-                                   grpc_mdelem_ref(channeld->scheme));
+                                   GRPC_MDELEM_REF(channeld->scheme));
       grpc_metadata_batch_add_tail(&op->data.metadata, &calld->te_trailers,
-                                   grpc_mdelem_ref(channeld->te_trailers));
+                                   GRPC_MDELEM_REF(channeld->te_trailers));
       grpc_metadata_batch_add_tail(&op->data.metadata, &calld->content_type,
-                                   grpc_mdelem_ref(channeld->content_type));
+                                   GRPC_MDELEM_REF(channeld->content_type));
       break;
     }
   }
@@ -196,11 +196,11 @@ static void destroy_channel_elem(grpc_channel_element *elem) {
   /* grab pointers to our data from the channel element */
   channel_data *channeld = elem->channel_data;
 
-  grpc_mdelem_unref(channeld->te_trailers);
-  grpc_mdelem_unref(channeld->method);
-  grpc_mdelem_unref(channeld->scheme);
-  grpc_mdelem_unref(channeld->content_type);
-  grpc_mdelem_unref(channeld->status);
+  GRPC_MDELEM_UNREF(channeld->te_trailers);
+  GRPC_MDELEM_UNREF(channeld->method);
+  GRPC_MDELEM_UNREF(channeld->scheme);
+  GRPC_MDELEM_UNREF(channeld->content_type);
+  GRPC_MDELEM_UNREF(channeld->status);
 }
 
 const grpc_channel_filter grpc_http_client_filter = {
diff --git a/src/core/channel/http_server_filter.c b/src/core/channel/http_server_filter.c
index db0bf590c6..a6cbb5a7f4 100644
--- a/src/core/channel/http_server_filter.c
+++ b/src/core/channel/http_server_filter.c
@@ -129,9 +129,9 @@ static grpc_mdelem *server_filter(void *user_data, grpc_mdelem *md) {
     /* translate host to :authority since :authority may be
        omitted */
     grpc_mdelem *authority = grpc_mdelem_from_metadata_strings(
-        channeld->mdctx, grpc_mdstr_ref(channeld->authority_key),
-        grpc_mdstr_ref(md->value));
-    grpc_mdelem_unref(md);
+        channeld->mdctx, GRPC_MDSTR_REF(channeld->authority_key),
+        GRPC_MDSTR_REF(md->value));
+    GRPC_MDELEM_UNREF(md);
     return authority;
   } else {
     return md;
@@ -193,7 +193,7 @@ static void hs_mutate_op(grpc_call_element *elem,
       if (op->type != GRPC_OP_METADATA) continue;
       calld->sent_status = 1;
       grpc_metadata_batch_add_head(&op->data.metadata, &calld->status,
-                                   grpc_mdelem_ref(channeld->status_ok));
+                                   GRPC_MDELEM_REF(channeld->status_ok));
       break;
     }
   }
@@ -264,17 +264,17 @@ static void destroy_channel_elem(grpc_channel_element *elem) {
   /* grab pointers to our data from the channel element */
   channel_data *channeld = elem->channel_data;
 
-  grpc_mdelem_unref(channeld->te_trailers);
-  grpc_mdelem_unref(channeld->status_ok);
-  grpc_mdelem_unref(channeld->status_not_found);
-  grpc_mdelem_unref(channeld->method_post);
-  grpc_mdelem_unref(channeld->http_scheme);
-  grpc_mdelem_unref(channeld->https_scheme);
-  grpc_mdelem_unref(channeld->grpc_scheme);
-  grpc_mdelem_unref(channeld->content_type);
-  grpc_mdstr_unref(channeld->path_key);
-  grpc_mdstr_unref(channeld->authority_key);
-  grpc_mdstr_unref(channeld->host_key);
+  GRPC_MDELEM_UNREF(channeld->te_trailers);
+  GRPC_MDELEM_UNREF(channeld->status_ok);
+  GRPC_MDELEM_UNREF(channeld->status_not_found);
+  GRPC_MDELEM_UNREF(channeld->method_post);
+  GRPC_MDELEM_UNREF(channeld->http_scheme);
+  GRPC_MDELEM_UNREF(channeld->https_scheme);
+  GRPC_MDELEM_UNREF(channeld->grpc_scheme);
+  GRPC_MDELEM_UNREF(channeld->content_type);
+  GRPC_MDSTR_UNREF(channeld->path_key);
+  GRPC_MDSTR_UNREF(channeld->authority_key);
+  GRPC_MDSTR_UNREF(channeld->host_key);
 }
 
 const grpc_channel_filter grpc_http_server_filter = {
diff --git a/src/core/security/client_auth_filter.c b/src/core/security/client_auth_filter.c
index f8d18d9b17..16f2abe04b 100644
--- a/src/core/security/client_auth_filter.c
+++ b/src/core/security/client_auth_filter.c
@@ -219,11 +219,11 @@ static void auth_start_transport_op(grpc_call_element *elem,
         /* Pointer comparison is OK for md_elems created from the same context.
          */
         if (md->key == chand->authority_string) {
-          if (calld->host != NULL) grpc_mdstr_unref(calld->host);
-          calld->host = grpc_mdstr_ref(md->value);
+          if (calld->host != NULL) GRPC_MDSTR_UNREF(calld->host);
+          calld->host = GRPC_MDSTR_REF(md->value);
         } else if (md->key == chand->path_string) {
-          if (calld->method != NULL) grpc_mdstr_unref(calld->method);
-          calld->method = grpc_mdstr_ref(md->value);
+          if (calld->method != NULL) GRPC_MDSTR_UNREF(calld->method);
+          calld->method = GRPC_MDSTR_REF(md->value);
         }
       }
       if (calld->host != NULL) {
@@ -272,10 +272,10 @@ static void destroy_call_elem(grpc_call_element *elem) {
   call_data *calld = elem->call_data;
   grpc_credentials_unref(calld->creds);
   if (calld->host != NULL) {
-    grpc_mdstr_unref(calld->host);
+    GRPC_MDSTR_UNREF(calld->host);
   }
   if (calld->method != NULL) {
-    grpc_mdstr_unref(calld->method);
+    GRPC_MDSTR_UNREF(calld->method);
   }
 }
 
@@ -314,16 +314,16 @@ static void destroy_channel_elem(grpc_channel_element *elem) {
   if (ctx != NULL)
     GRPC_SECURITY_CONNECTOR_UNREF(&ctx->base, "client_auth_filter");
   if (chand->authority_string != NULL) {
-    grpc_mdstr_unref(chand->authority_string);
+    GRPC_MDSTR_UNREF(chand->authority_string);
   }
   if (chand->error_msg_key != NULL) {
-    grpc_mdstr_unref(chand->error_msg_key);
+    GRPC_MDSTR_UNREF(chand->error_msg_key);
   }
   if (chand->status_key != NULL) {
-    grpc_mdstr_unref(chand->status_key);
+    GRPC_MDSTR_UNREF(chand->status_key);
   }
   if (chand->path_string != NULL) {
-    grpc_mdstr_unref(chand->path_string);
+    GRPC_MDSTR_UNREF(chand->path_string);
   }
 }
 
diff --git a/src/core/surface/call.c b/src/core/surface/call.c
index ae1b215767..b2c125fc1f 100644
--- a/src/core/surface/call.c
+++ b/src/core/surface/call.c
@@ -369,18 +369,18 @@ static void destroy_call(void *call, int ignored_success) {
   gpr_mu_destroy(&c->mu);
   for (i = 0; i < STATUS_SOURCE_COUNT; i++) {
     if (c->status[i].details) {
-      grpc_mdstr_unref(c->status[i].details);
+      GRPC_MDSTR_UNREF(c->status[i].details);
     }
   }
   for (i = 0; i < c->owned_metadata_count; i++) {
-    grpc_mdelem_unref(c->owned_metadata[i]);
+    GRPC_MDELEM_UNREF(c->owned_metadata[i]);
   }
   gpr_free(c->owned_metadata);
   for (i = 0; i < GPR_ARRAY_SIZE(c->buffered_metadata); i++) {
     gpr_free(c->buffered_metadata[i].metadata);
   }
   for (i = 0; i < c->send_initial_metadata_count; i++) {
-    grpc_mdelem_unref(c->send_initial_metadata[i].md);
+    GRPC_MDELEM_UNREF(c->send_initial_metadata[i].md);
   }
   for (i = 0; i < GRPC_CONTEXT_COUNT; i++) {
     if (c->context[i].destroy) {
@@ -437,7 +437,7 @@ static void set_decode_compression_level(grpc_call *call,
 static void set_status_details(grpc_call *call, status_source source,
                                grpc_mdstr *status) {
   if (call->status[source].details != NULL) {
-    grpc_mdstr_unref(call->status[source].details);
+    GRPC_MDSTR_UNREF(call->status[source].details);
   }
   call->status[source].details = status;
 }
@@ -616,7 +616,7 @@ static void finish_live_ioreq_op(grpc_call *call, grpc_ioreq_op op,
         case GRPC_IOREQ_SEND_STATUS:
           if (call->request_data[GRPC_IOREQ_SEND_STATUS].send_status.details !=
               NULL) {
-            grpc_mdstr_unref(
+            GRPC_MDSTR_UNREF(
                 call->request_data[GRPC_IOREQ_SEND_STATUS].send_status.details);
             call->request_data[GRPC_IOREQ_SEND_STATUS].send_status.details =
                 NULL;
@@ -945,7 +945,7 @@ static int fill_send_ops(grpc_call *call, grpc_transport_stream_op *op) {
                 &mdb, &call->details_link,
                 grpc_mdelem_from_metadata_strings(
                     call->metadata_context,
-                    grpc_mdstr_ref(
+                    GRPC_MDSTR_REF(
                         grpc_channel_get_message_string(call->channel)),
                     data.send_status.details));
             call->request_data[GRPC_IOREQ_SEND_STATUS].send_status.details =
@@ -1053,7 +1053,7 @@ static grpc_call_error start_ioreq(grpc_call *call, const grpc_ioreq *reqs,
                       reqs[i].data.send_status.code);
       if (reqs[i].data.send_status.details) {
         set_status_details(call, STATUS_FROM_SERVER_STATUS,
-                           grpc_mdstr_ref(reqs[i].data.send_status.details));
+                           GRPC_MDSTR_REF(reqs[i].data.send_status.details));
       }
     }
     have_ops |= 1u << op;
@@ -1257,7 +1257,7 @@ static void recv_metadata(grpc_call *call, grpc_metadata_batch *md) {
     if (key == grpc_channel_get_status_string(call->channel)) {
       set_status_code(call, STATUS_FROM_WIRE, decode_status(md));
     } else if (key == grpc_channel_get_message_string(call->channel)) {
-      set_status_details(call, STATUS_FROM_WIRE, grpc_mdstr_ref(md->value));
+      set_status_details(call, STATUS_FROM_WIRE, GRPC_MDSTR_REF(md->value));
     } else if (key ==
                grpc_channel_get_compresssion_level_string(call->channel)) {
       set_decode_compression_level(call, decode_compression(md));
@@ -1293,10 +1293,10 @@ static void recv_metadata(grpc_call *call, grpc_metadata_batch *md) {
 
   grpc_mdctx_lock(mdctx);
   for (l = md->list.head; l; l = l->next) {
-    if (l->md) grpc_mdctx_locked_mdelem_unref(mdctx, l->md);
+    if (l->md) GRPC_MDCTX_LOCKED_MDELEM_UNREF(mdctx, l->md);
   }
   for (l = md->garbage.head; l; l = l->next) {
-    grpc_mdctx_locked_mdelem_unref(mdctx, l->md);
+    GRPC_MDCTX_LOCKED_MDELEM_UNREF(mdctx, l->md);
   }
   grpc_mdctx_unlock(mdctx);
 }
diff --git a/src/core/surface/channel.c b/src/core/surface/channel.c
index f8151c121c..eeae3b507c 100644
--- a/src/core/surface/channel.c
+++ b/src/core/surface/channel.c
@@ -104,7 +104,7 @@ grpc_channel *grpc_channel_create_from_filters(
     char buf[GPR_LTOA_MIN_BUFSIZE];
     gpr_ltoa(i, buf);
     channel->grpc_status_elem[i] = grpc_mdelem_from_metadata_strings(
-        mdctx, grpc_mdstr_ref(channel->grpc_status_string),
+        mdctx, GRPC_MDSTR_REF(channel->grpc_status_string),
         grpc_mdstr_from_string(mdctx, buf));
   }
   channel->path_string = grpc_mdstr_from_string(mdctx, ":path");
@@ -157,10 +157,10 @@ grpc_call *grpc_channel_create_call(grpc_channel *channel,
   return grpc_channel_create_call_internal(
       channel, cq,
       grpc_mdelem_from_metadata_strings(
-          channel->metadata_context, grpc_mdstr_ref(channel->path_string),
+          channel->metadata_context, GRPC_MDSTR_REF(channel->path_string),
           grpc_mdstr_from_string(channel->metadata_context, method)),
       grpc_mdelem_from_metadata_strings(
-          channel->metadata_context, grpc_mdstr_ref(channel->authority_string),
+          channel->metadata_context, GRPC_MDSTR_REF(channel->authority_string),
           grpc_mdstr_from_string(channel->metadata_context, host)),
       deadline);
 }
@@ -169,10 +169,10 @@ void *grpc_channel_register_call(grpc_channel *channel, const char *method,
                                  const char *host) {
   registered_call *rc = gpr_malloc(sizeof(registered_call));
   rc->path = grpc_mdelem_from_metadata_strings(
-      channel->metadata_context, grpc_mdstr_ref(channel->path_string),
+      channel->metadata_context, GRPC_MDSTR_REF(channel->path_string),
       grpc_mdstr_from_string(channel->metadata_context, method));
   rc->authority = grpc_mdelem_from_metadata_strings(
-      channel->metadata_context, grpc_mdstr_ref(channel->authority_string),
+      channel->metadata_context, GRPC_MDSTR_REF(channel->authority_string),
       grpc_mdstr_from_string(channel->metadata_context, host));
   gpr_mu_lock(&channel->registered_call_mu);
   rc->next = channel->registered_calls;
@@ -186,8 +186,8 @@ grpc_call *grpc_channel_create_registered_call(
     void *registered_call_handle, gpr_timespec deadline) {
   registered_call *rc = registered_call_handle;
   return grpc_channel_create_call_internal(
-      channel, completion_queue, grpc_mdelem_ref(rc->path),
-      grpc_mdelem_ref(rc->authority), deadline);
+      channel, completion_queue, GRPC_MDELEM_REF(rc->path),
+      GRPC_MDELEM_REF(rc->authority), deadline);
 }
 
 #ifdef GRPC_CHANNEL_REF_COUNT_DEBUG
@@ -205,18 +205,18 @@ static void destroy_channel(void *p, int ok) {
   size_t i;
   grpc_channel_stack_destroy(CHANNEL_STACK_FROM_CHANNEL(channel));
   for (i = 0; i < NUM_CACHED_STATUS_ELEMS; i++) {
-    grpc_mdelem_unref(channel->grpc_status_elem[i]);
+    GRPC_MDELEM_UNREF(channel->grpc_status_elem[i]);
   }
-  grpc_mdstr_unref(channel->grpc_status_string);
-  grpc_mdstr_unref(channel->grpc_compression_level_string);
-  grpc_mdstr_unref(channel->grpc_message_string);
-  grpc_mdstr_unref(channel->path_string);
-  grpc_mdstr_unref(channel->authority_string);
+  GRPC_MDSTR_UNREF(channel->grpc_status_string);
+  GRPC_MDSTR_UNREF(channel->grpc_compression_level_string);
+  GRPC_MDSTR_UNREF(channel->grpc_message_string);
+  GRPC_MDSTR_UNREF(channel->path_string);
+  GRPC_MDSTR_UNREF(channel->authority_string);
   while (channel->registered_calls) {
     registered_call *rc = channel->registered_calls;
     channel->registered_calls = rc->next;
-    grpc_mdelem_unref(rc->path);
-    grpc_mdelem_unref(rc->authority);
+    GRPC_MDELEM_UNREF(rc->path);
+    GRPC_MDELEM_UNREF(rc->authority);
     gpr_free(rc);
   }
   grpc_mdctx_unref(channel->metadata_context);
@@ -267,12 +267,12 @@ grpc_mdstr *grpc_channel_get_compresssion_level_string(grpc_channel *channel) {
 
 grpc_mdelem *grpc_channel_get_reffed_status_elem(grpc_channel *channel, int i) {
   if (i >= 0 && i < NUM_CACHED_STATUS_ELEMS) {
-    return grpc_mdelem_ref(channel->grpc_status_elem[i]);
+    return GRPC_MDELEM_REF(channel->grpc_status_elem[i]);
   } else {
     char tmp[GPR_LTOA_MIN_BUFSIZE];
     gpr_ltoa(i, tmp);
     return grpc_mdelem_from_metadata_strings(
-        channel->metadata_context, grpc_mdstr_ref(channel->grpc_status_string),
+        channel->metadata_context, GRPC_MDSTR_REF(channel->grpc_status_string),
         grpc_mdstr_from_string(channel->metadata_context, tmp));
   }
 }
diff --git a/src/core/surface/server.c b/src/core/surface/server.c
index f29d47c17c..8293417562 100644
--- a/src/core/surface/server.c
+++ b/src/core/surface/server.c
@@ -532,10 +532,10 @@ static grpc_mdelem *server_filter(void *user_data, grpc_mdelem *md) {
   channel_data *chand = elem->channel_data;
   call_data *calld = elem->call_data;
   if (md->key == chand->path_key) {
-    calld->path = grpc_mdstr_ref(md->value);
+    calld->path = GRPC_MDSTR_REF(md->value);
     return NULL;
   } else if (md->key == chand->authority_key) {
-    calld->host = grpc_mdstr_ref(md->value);
+    calld->host = GRPC_MDSTR_REF(md->value);
     return NULL;
   }
   return md;
@@ -710,10 +710,10 @@ static void destroy_call_elem(grpc_call_element *elem) {
   }
 
   if (calld->host) {
-    grpc_mdstr_unref(calld->host);
+    GRPC_MDSTR_UNREF(calld->host);
   }
   if (calld->path) {
-    grpc_mdstr_unref(calld->path);
+    GRPC_MDSTR_UNREF(calld->path);
   }
 
   server_unref(chand->server);
@@ -744,10 +744,10 @@ static void destroy_channel_elem(grpc_channel_element *elem) {
   if (chand->registered_methods) {
     for (i = 0; i < chand->registered_method_slots; i++) {
       if (chand->registered_methods[i].method) {
-        grpc_mdstr_unref(chand->registered_methods[i].method);
+        GRPC_MDSTR_UNREF(chand->registered_methods[i].method);
       }
       if (chand->registered_methods[i].host) {
-        grpc_mdstr_unref(chand->registered_methods[i].host);
+        GRPC_MDSTR_UNREF(chand->registered_methods[i].host);
       }
     }
     gpr_free(chand->registered_methods);
@@ -759,8 +759,8 @@ static void destroy_channel_elem(grpc_channel_element *elem) {
     chand->next = chand->prev = chand;
     maybe_finish_shutdown(chand->server);
     gpr_mu_unlock(&chand->server->mu_global);
-    grpc_mdstr_unref(chand->path_key);
-    grpc_mdstr_unref(chand->authority_key);
+    GRPC_MDSTR_UNREF(chand->path_key);
+    GRPC_MDSTR_UNREF(chand->authority_key);
     server_unref(chand->server);
   }
 }
diff --git a/src/core/transport/chttp2/hpack_parser.c b/src/core/transport/chttp2/hpack_parser.c
index b8ab664db5..7397dfe89b 100644
--- a/src/core/transport/chttp2/hpack_parser.c
+++ b/src/core/transport/chttp2/hpack_parser.c
@@ -622,7 +622,7 @@ static const gpr_uint8 inverse_base64[256] = {
 static void on_hdr(grpc_chttp2_hpack_parser *p, grpc_mdelem *md,
                    int add_to_table) {
   if (add_to_table) {
-    grpc_mdelem_ref(md);
+    GRPC_MDELEM_REF(md);
     grpc_chttp2_hptbl_add(&p->table, md);
   }
   p->on_header(p->on_header_user_data, md);
@@ -711,7 +711,7 @@ static int parse_stream_dep0(grpc_chttp2_hpack_parser *p, const gpr_uint8 *cur,
 static int finish_indexed_field(grpc_chttp2_hpack_parser *p,
                                 const gpr_uint8 *cur, const gpr_uint8 *end) {
   grpc_mdelem *md = grpc_chttp2_hptbl_lookup(&p->table, p->index);
-  grpc_mdelem_ref(md);
+  GRPC_MDELEM_REF(md);
   on_hdr(p, md, 0);
   return parse_begin(p, cur, end);
 }
@@ -740,7 +740,7 @@ static int finish_lithdr_incidx(grpc_chttp2_hpack_parser *p,
                                 const gpr_uint8 *cur, const gpr_uint8 *end) {
   grpc_mdelem *md = grpc_chttp2_hptbl_lookup(&p->table, p->index);
   on_hdr(p, grpc_mdelem_from_metadata_strings(p->table.mdctx,
-                                              grpc_mdstr_ref(md->key),
+                                              GRPC_MDSTR_REF(md->key),
                                               take_string(p, &p->value)),
          1);
   return parse_begin(p, cur, end);
@@ -793,7 +793,7 @@ static int finish_lithdr_notidx(grpc_chttp2_hpack_parser *p,
                                 const gpr_uint8 *cur, const gpr_uint8 *end) {
   grpc_mdelem *md = grpc_chttp2_hptbl_lookup(&p->table, p->index);
   on_hdr(p, grpc_mdelem_from_metadata_strings(p->table.mdctx,
-                                              grpc_mdstr_ref(md->key),
+                                              GRPC_MDSTR_REF(md->key),
                                               take_string(p, &p->value)),
          0);
   return parse_begin(p, cur, end);
@@ -846,7 +846,7 @@ static int finish_lithdr_nvridx(grpc_chttp2_hpack_parser *p,
                                 const gpr_uint8 *cur, const gpr_uint8 *end) {
   grpc_mdelem *md = grpc_chttp2_hptbl_lookup(&p->table, p->index);
   on_hdr(p, grpc_mdelem_from_metadata_strings(p->table.mdctx,
-                                              grpc_mdstr_ref(md->key),
+                                              GRPC_MDSTR_REF(md->key),
                                               take_string(p, &p->value)),
          0);
   return parse_begin(p, cur, end);
@@ -1339,7 +1339,7 @@ static void on_header_not_set(void *user_data, grpc_mdelem *md) {
           valuehex);
   gpr_free(keyhex);
   gpr_free(valuehex);
-  grpc_mdelem_unref(md);
+  GRPC_MDELEM_UNREF(md);
   abort();
 }
 
diff --git a/src/core/transport/chttp2/hpack_table.c b/src/core/transport/chttp2/hpack_table.c
index 372e71d68f..4fc154380e 100644
--- a/src/core/transport/chttp2/hpack_table.c
+++ b/src/core/transport/chttp2/hpack_table.c
@@ -122,10 +122,10 @@ void grpc_chttp2_hptbl_init(grpc_chttp2_hptbl *tbl, grpc_mdctx *mdctx) {
 void grpc_chttp2_hptbl_destroy(grpc_chttp2_hptbl *tbl) {
   size_t i;
   for (i = 0; i < GRPC_CHTTP2_LAST_STATIC_ENTRY; i++) {
-    grpc_mdelem_unref(tbl->static_ents[i]);
+    GRPC_MDELEM_UNREF(tbl->static_ents[i]);
   }
   for (i = 0; i < tbl->num_ents; i++) {
-    grpc_mdelem_unref(
+    GRPC_MDELEM_UNREF(
         tbl->ents[(tbl->first_ent + i) % GRPC_CHTTP2_MAX_TABLE_COUNT]);
   }
 }
@@ -155,7 +155,7 @@ static void evict1(grpc_chttp2_hptbl *tbl) {
                    GRPC_CHTTP2_HPACK_ENTRY_OVERHEAD;
   tbl->first_ent = (tbl->first_ent + 1) % GRPC_CHTTP2_MAX_TABLE_COUNT;
   tbl->num_ents--;
-  grpc_mdelem_unref(first_ent);
+  GRPC_MDELEM_UNREF(first_ent);
 }
 
 void grpc_chttp2_hptbl_add(grpc_chttp2_hptbl *tbl, grpc_mdelem *md) {
diff --git a/src/core/transport/chttp2/incoming_metadata.c b/src/core/transport/chttp2/incoming_metadata.c
index 68e0912b9c..77162a6864 100644
--- a/src/core/transport/chttp2/incoming_metadata.c
+++ b/src/core/transport/chttp2/incoming_metadata.c
@@ -49,7 +49,7 @@ void grpc_chttp2_incoming_metadata_buffer_destroy(
     grpc_chttp2_incoming_metadata_buffer *buffer) {
   size_t i;
   for (i = 0; i < buffer->count; i++) {
-    grpc_mdelem_unref(buffer->elems[i].md);
+    GRPC_MDELEM_UNREF(buffer->elems[i].md);
   }
   gpr_free(buffer->elems);
 }
diff --git a/src/core/transport/chttp2/parsing.c b/src/core/transport/chttp2/parsing.c
index 4664a0895c..130167f830 100644
--- a/src/core/transport/chttp2/parsing.c
+++ b/src/core/transport/chttp2/parsing.c
@@ -463,7 +463,7 @@ static grpc_chttp2_parse_error skip_parser(
   return GRPC_CHTTP2_PARSE_OK;
 }
 
-static void skip_header(void *tp, grpc_mdelem *md) { grpc_mdelem_unref(md); }
+static void skip_header(void *tp, grpc_mdelem *md) { GRPC_MDELEM_UNREF(md); }
 
 static int init_skip_frame_parser(
     grpc_chttp2_transport_parsing *transport_parsing, int is_header) {
@@ -600,7 +600,7 @@ static void on_header(void *tp, grpc_mdelem *md) {
     grpc_chttp2_incoming_metadata_buffer_set_deadline(
         &stream_parsing->incoming_metadata,
         gpr_time_add(gpr_now(), *cached_timeout));
-    grpc_mdelem_unref(md);
+    GRPC_MDELEM_UNREF(md);
   } else {
     grpc_chttp2_incoming_metadata_buffer_add(&stream_parsing->incoming_metadata,
                                              md);
diff --git a/src/core/transport/chttp2/stream_encoder.c b/src/core/transport/chttp2/stream_encoder.c
index cf78ac50cc..56ab82006a 100644
--- a/src/core/transport/chttp2/stream_encoder.c
+++ b/src/core/transport/chttp2/stream_encoder.c
@@ -247,19 +247,19 @@ static grpc_mdelem *add_elem(grpc_chttp2_hpack_compressor *c,
   } else if (c->entries_keys[HASH_FRAGMENT_3(key_hash)] == elem->key) {
     c->indices_keys[HASH_FRAGMENT_3(key_hash)] = new_index;
   } else if (c->entries_keys[HASH_FRAGMENT_2(key_hash)] == NULL) {
-    c->entries_keys[HASH_FRAGMENT_2(key_hash)] = grpc_mdstr_ref(elem->key);
+    c->entries_keys[HASH_FRAGMENT_2(key_hash)] = GRPC_MDSTR_REF(elem->key);
     c->indices_keys[HASH_FRAGMENT_2(key_hash)] = new_index;
   } else if (c->entries_keys[HASH_FRAGMENT_3(key_hash)] == NULL) {
-    c->entries_keys[HASH_FRAGMENT_3(key_hash)] = grpc_mdstr_ref(elem->key);
+    c->entries_keys[HASH_FRAGMENT_3(key_hash)] = GRPC_MDSTR_REF(elem->key);
     c->indices_keys[HASH_FRAGMENT_3(key_hash)] = new_index;
   } else if (c->indices_keys[HASH_FRAGMENT_2(key_hash)] <
              c->indices_keys[HASH_FRAGMENT_3(key_hash)]) {
-    grpc_mdstr_unref(c->entries_keys[HASH_FRAGMENT_2(key_hash)]);
-    c->entries_keys[HASH_FRAGMENT_2(key_hash)] = grpc_mdstr_ref(elem->key);
+    GRPC_MDSTR_UNREF(c->entries_keys[HASH_FRAGMENT_2(key_hash)]);
+    c->entries_keys[HASH_FRAGMENT_2(key_hash)] = GRPC_MDSTR_REF(elem->key);
     c->indices_keys[HASH_FRAGMENT_2(key_hash)] = new_index;
   } else {
-    grpc_mdstr_unref(c->entries_keys[HASH_FRAGMENT_3(key_hash)]);
-    c->entries_keys[HASH_FRAGMENT_3(key_hash)] = grpc_mdstr_ref(elem->key);
+    GRPC_MDSTR_UNREF(c->entries_keys[HASH_FRAGMENT_3(key_hash)]);
+    c->entries_keys[HASH_FRAGMENT_3(key_hash)] = GRPC_MDSTR_REF(elem->key);
     c->indices_keys[HASH_FRAGMENT_3(key_hash)] = new_index;
   }
 
@@ -439,10 +439,10 @@ static void deadline_enc(grpc_chttp2_hpack_compressor *c, gpr_timespec deadline,
   grpc_mdelem *mdelem;
   grpc_chttp2_encode_timeout(gpr_time_sub(deadline, gpr_now()), timeout_str);
   mdelem = grpc_mdelem_from_metadata_strings(
-      c->mdctx, grpc_mdstr_ref(c->timeout_key_str),
+      c->mdctx, GRPC_MDSTR_REF(c->timeout_key_str),
       grpc_mdstr_from_string(c->mdctx, timeout_str));
   mdelem = hpack_enc(c, mdelem, st);
-  if (mdelem) grpc_mdelem_unref(mdelem);
+  if (mdelem) GRPC_MDELEM_UNREF(mdelem);
 }
 
 gpr_slice grpc_chttp2_data_frame_create_empty_close(gpr_uint32 id) {
@@ -461,10 +461,10 @@ void grpc_chttp2_hpack_compressor_init(grpc_chttp2_hpack_compressor *c,
 void grpc_chttp2_hpack_compressor_destroy(grpc_chttp2_hpack_compressor *c) {
   int i;
   for (i = 0; i < GRPC_CHTTP2_HPACKC_NUM_VALUES; i++) {
-    if (c->entries_keys[i]) grpc_mdstr_unref(c->entries_keys[i]);
-    if (c->entries_elems[i]) grpc_mdelem_unref(c->entries_elems[i]);
+    if (c->entries_keys[i]) GRPC_MDSTR_UNREF(c->entries_keys[i]);
+    if (c->entries_elems[i]) GRPC_MDELEM_UNREF(c->entries_elems[i]);
   }
-  grpc_mdstr_unref(c->timeout_key_str);
+  GRPC_MDSTR_UNREF(c->timeout_key_str);
 }
 
 gpr_uint32 grpc_chttp2_preencode(grpc_stream_op *inops, size_t *inops_count,
@@ -620,10 +620,10 @@ void grpc_chttp2_encode(grpc_stream_op *ops, size_t ops_count, int eof,
       op = &ops[unref_op];
       if (op->type != GRPC_OP_METADATA) continue;
       for (l = op->data.metadata.list.head; l; l = l->next) {
-        if (l->md) grpc_mdctx_locked_mdelem_unref(mdctx, l->md);
+        if (l->md) GRPC_MDCTX_LOCKED_MDELEM_UNREF(mdctx, l->md);
       }
       for (l = op->data.metadata.garbage.head; l; l = l->next) {
-        grpc_mdctx_locked_mdelem_unref(mdctx, l->md);
+        GRPC_MDCTX_LOCKED_MDELEM_UNREF(mdctx, l->md);
       }
     }
     grpc_mdctx_unlock(mdctx);
diff --git a/src/core/transport/chttp2_transport.c b/src/core/transport/chttp2_transport.c
index 054690ac95..e379e2b566 100644
--- a/src/core/transport/chttp2_transport.c
+++ b/src/core/transport/chttp2_transport.c
@@ -139,7 +139,7 @@ static void destruct_transport(grpc_chttp2_transport *t) {
   grpc_chttp2_hpack_parser_destroy(&t->parsing.hpack_parser);
   grpc_chttp2_goaway_parser_destroy(&t->parsing.goaway_parser);
 
-  grpc_mdstr_unref(t->parsing.str_grpc_timeout);
+  GRPC_MDSTR_UNREF(t->parsing.str_grpc_timeout);
 
   for (i = 0; i < STREAM_LIST_COUNT; i++) {
     GPR_ASSERT(t->lists[i].head == NULL);
diff --git a/src/core/transport/metadata.c b/src/core/transport/metadata.c
index c80d67823f..9cbb0952d0 100644
--- a/src/core/transport/metadata.c
+++ b/src/core/transport/metadata.c
@@ -48,6 +48,20 @@
 #define INITIAL_STRTAB_CAPACITY 4
 #define INITIAL_MDTAB_CAPACITY 4
 
+#ifdef GRPC_METADATA_REFCOUNT_DEBUG
+#define DEBUG_ARGS , const char *file, int line
+#define FWD_DEBUG_ARGS , file, line
+#define INTERNAL_STRING_REF(s) internal_string_ref((s), __FILE__, __LINE__)
+#define INTERNAL_STRING_UNREF(s) internal_string_unref((s), __FILE__, __LINE__)
+#define REF_MD_LOCKED(s) ref_md_locked((s), __FILE__, __LINE__)
+#else
+#define DEBUG_ARGS
+#define FWD_DEBUG_ARGS
+#define INTERNAL_STRING_REF(s) internal_string_ref((s))
+#define INTERNAL_STRING_UNREF(s) internal_string_unref((s))
+#define REF_MD_LOCKED(s) ref_md_locked((s))
+#endif
+
 typedef struct internal_string {
   /* must be byte compatible with grpc_mdstr */
   gpr_slice slice;
@@ -96,8 +110,8 @@ struct grpc_mdctx {
   size_t mdtab_capacity;
 };
 
-static void internal_string_ref(internal_string *s);
-static void internal_string_unref(internal_string *s);
+static void internal_string_ref(internal_string *s DEBUG_ARGS);
+static void internal_string_unref(internal_string *s DEBUG_ARGS);
 static void discard_metadata(grpc_mdctx *ctx);
 static void gc_mdtab(grpc_mdctx *ctx);
 static void metadata_context_destroy_locked(grpc_mdctx *ctx);
@@ -132,7 +146,15 @@ static void unlock(grpc_mdctx *ctx) {
   gpr_mu_unlock(&ctx->mu);
 }
 
-static void ref_md_locked(internal_metadata *md) {
+static void ref_md_locked(internal_metadata *md DEBUG_ARGS) {
+#ifdef GRPC_METADATA_REFCOUNT_DEBUG
+  gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG,
+          "ELM   REF:%p:%d->%d: '%s' = '%s'", md,
+          gpr_atm_no_barrier_load(&md->refcnt),
+          gpr_atm_no_barrier_load(&md->refcnt) + 1,
+          grpc_mdstr_as_c_string((grpc_mdstr *)md->key),
+          grpc_mdstr_as_c_string((grpc_mdstr *)md->value));
+#endif
   if (0 == gpr_atm_no_barrier_fetch_add(&md->refcnt, 1)) {
     md->context->mdtab_free--;
   }
@@ -173,8 +195,8 @@ static void discard_metadata(grpc_mdctx *ctx) {
     while (cur) {
       GPR_ASSERT(gpr_atm_acq_load(&cur->refcnt) == 0);
       next = cur->bucket_next;
-      internal_string_unref(cur->key);
-      internal_string_unref(cur->value);
+      INTERNAL_STRING_UNREF(cur->key);
+      INTERNAL_STRING_UNREF(cur->value);
       if (cur->user_data) {
         cur->destroy_user_data(cur->user_data);
       }
@@ -248,9 +270,19 @@ static void internal_destroy_string(internal_string *is) {
   gpr_free(is);
 }
 
-static void internal_string_ref(internal_string *s) { ++s->refs; }
+static void internal_string_ref(internal_string *s DEBUG_ARGS) {
+#ifdef GRPC_METADATA_REFCOUNT_DEBUG
+  gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG, "STR   REF:%p:%d->%d: '%s'", s,
+          s->refs, s->refs + 1, grpc_mdstr_as_c_string((grpc_mdstr *)s));
+#endif
+  ++s->refs;
+}
 
-static void internal_string_unref(internal_string *s) {
+static void internal_string_unref(internal_string *s DEBUG_ARGS) {
+#ifdef GRPC_METADATA_REFCOUNT_DEBUG
+  gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG, "STR UNREF:%p:%d->%d: '%s'", s,
+          s->refs, s->refs - 1, grpc_mdstr_as_c_string((grpc_mdstr *)s));
+#endif
   GPR_ASSERT(s->refs > 0);
   if (0 == --s->refs) {
     internal_destroy_string(s);
@@ -262,7 +294,7 @@ static void slice_ref(void *p) {
       (internal_string *)((char *)p - offsetof(internal_string, refcount));
   grpc_mdctx *ctx = is->context;
   lock(ctx);
-  internal_string_ref(is);
+  INTERNAL_STRING_REF(is);
   unlock(ctx);
 }
 
@@ -271,7 +303,7 @@ static void slice_unref(void *p) {
       (internal_string *)((char *)p - offsetof(internal_string, refcount));
   grpc_mdctx *ctx = is->context;
   lock(ctx);
-  internal_string_unref(is);
+  INTERNAL_STRING_UNREF(is);
   unlock(ctx);
 }
 
@@ -297,7 +329,7 @@ grpc_mdstr *grpc_mdstr_from_buffer(grpc_mdctx *ctx, const gpr_uint8 *buf,
   for (s = ctx->strtab[hash % ctx->strtab_capacity]; s; s = s->bucket_next) {
     if (s->hash == hash && GPR_SLICE_LENGTH(s->slice) == length &&
         0 == memcmp(buf, GPR_SLICE_START_PTR(s->slice), length)) {
-      internal_string_ref(s);
+      INTERNAL_STRING_REF(s);
       unlock(ctx);
       return (grpc_mdstr *)s;
     }
@@ -353,8 +385,8 @@ static void gc_mdtab(grpc_mdctx *ctx) {
     for (md = ctx->mdtab[i]; md; md = next) {
       next = md->bucket_next;
       if (gpr_atm_acq_load(&md->refcnt) == 0) {
-        internal_string_unref(md->key);
-        internal_string_unref(md->value);
+        INTERNAL_STRING_UNREF(md->key);
+        INTERNAL_STRING_UNREF(md->value);
         if (md->user_data) {
           md->destroy_user_data(md->user_data);
         }
@@ -418,9 +450,9 @@ grpc_mdelem *grpc_mdelem_from_metadata_strings(grpc_mdctx *ctx,
   /* search for an existing pair */
   for (md = ctx->mdtab[hash % ctx->mdtab_capacity]; md; md = md->bucket_next) {
     if (md->key == key && md->value == value) {
-      ref_md_locked(md);
-      internal_string_unref(key);
-      internal_string_unref(value);
+      REF_MD_LOCKED(md);
+      INTERNAL_STRING_UNREF(key);
+      INTERNAL_STRING_UNREF(value);
       unlock(ctx);
       return (grpc_mdelem *)md;
     }
@@ -435,6 +467,12 @@ grpc_mdelem *grpc_mdelem_from_metadata_strings(grpc_mdctx *ctx,
   md->user_data = NULL;
   md->destroy_user_data = NULL;
   md->bucket_next = ctx->mdtab[hash % ctx->mdtab_capacity];
+#ifdef GRPC_METADATA_REFCOUNT_DEBUG
+  gpr_log(GPR_DEBUG, "ELM   NEW:%p:%d: '%s' = '%s'", md,
+          gpr_atm_no_barrier_load(&md->refcnt),
+          grpc_mdstr_as_c_string((grpc_mdstr *)md->key),
+          grpc_mdstr_as_c_string((grpc_mdstr *)md->value));
+#endif
   ctx->mdtab[hash % ctx->mdtab_capacity] = md;
   ctx->mdtab_count++;
 
@@ -469,8 +507,16 @@ grpc_mdelem *grpc_mdelem_from_string_and_buffer(grpc_mdctx *ctx,
       grpc_mdstr_from_buffer(ctx, value, value_length));
 }
 
-grpc_mdelem *grpc_mdelem_ref(grpc_mdelem *gmd) {
+grpc_mdelem *grpc_mdelem_ref(grpc_mdelem *gmd DEBUG_ARGS) {
   internal_metadata *md = (internal_metadata *)gmd;
+#ifdef GRPC_METADATA_REFCOUNT_DEBUG
+  gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG,
+          "ELM   REF:%p:%d->%d: '%s' = '%s'", md,
+          gpr_atm_no_barrier_load(&md->refcnt),
+          gpr_atm_no_barrier_load(&md->refcnt) + 1,
+          grpc_mdstr_as_c_string((grpc_mdstr *)md->key),
+          grpc_mdstr_as_c_string((grpc_mdstr *)md->value));
+#endif
   /* we can assume the ref count is >= 1 as the application is calling
      this function - meaning that no adjustment to mdtab_free is necessary,
      simplifying the logic here to be just an atomic increment */
@@ -480,10 +526,18 @@ grpc_mdelem *grpc_mdelem_ref(grpc_mdelem *gmd) {
   return gmd;
 }
 
-void grpc_mdelem_unref(grpc_mdelem *gmd) {
+void grpc_mdelem_unref(grpc_mdelem *gmd DEBUG_ARGS) {
   internal_metadata *md = (internal_metadata *)gmd;
   grpc_mdctx *ctx = md->context;
   lock(ctx);
+#ifdef GRPC_METADATA_REFCOUNT_DEBUG
+  gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG,
+          "ELM UNREF:%p:%d->%d: '%s' = '%s'", md,
+          gpr_atm_no_barrier_load(&md->refcnt),
+          gpr_atm_no_barrier_load(&md->refcnt) - 1,
+          grpc_mdstr_as_c_string((grpc_mdstr *)md->key),
+          grpc_mdstr_as_c_string((grpc_mdstr *)md->value));
+#endif
   assert(gpr_atm_no_barrier_load(&md->refcnt) >= 1);
   if (1 == gpr_atm_full_fetch_add(&md->refcnt, -1)) {
     ctx->mdtab_free++;
@@ -495,20 +549,20 @@ const char *grpc_mdstr_as_c_string(grpc_mdstr *s) {
   return (const char *)GPR_SLICE_START_PTR(s->slice);
 }
 
-grpc_mdstr *grpc_mdstr_ref(grpc_mdstr *gs) {
+grpc_mdstr *grpc_mdstr_ref(grpc_mdstr *gs DEBUG_ARGS) {
   internal_string *s = (internal_string *)gs;
   grpc_mdctx *ctx = s->context;
   lock(ctx);
-  internal_string_ref(s);
+  internal_string_ref(s FWD_DEBUG_ARGS);
   unlock(ctx);
   return gs;
 }
 
-void grpc_mdstr_unref(grpc_mdstr *gs) {
+void grpc_mdstr_unref(grpc_mdstr *gs DEBUG_ARGS) {
   internal_string *s = (internal_string *)gs;
   grpc_mdctx *ctx = s->context;
   lock(ctx);
-  internal_string_unref(s);
+  internal_string_unref(s FWD_DEBUG_ARGS);
   unlock(ctx);
 }
 
@@ -558,10 +612,19 @@ gpr_slice grpc_mdstr_as_base64_encoded_and_huffman_compressed(grpc_mdstr *gs) {
 
 void grpc_mdctx_lock(grpc_mdctx *ctx) { lock(ctx); }
 
-void grpc_mdctx_locked_mdelem_unref(grpc_mdctx *ctx, grpc_mdelem *gmd) {
+void grpc_mdctx_locked_mdelem_unref(grpc_mdctx *ctx,
+                                    grpc_mdelem *gmd DEBUG_ARGS) {
   internal_metadata *md = (internal_metadata *)gmd;
   grpc_mdctx *elem_ctx = md->context;
   GPR_ASSERT(ctx == elem_ctx);
+#ifdef GRPC_METADATA_REFCOUNT_DEBUG
+  gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG,
+          "ELM UNREF:%p:%d->%d: '%s' = '%s'", md,
+          gpr_atm_no_barrier_load(&md->refcnt),
+          gpr_atm_no_barrier_load(&md->refcnt) - 1,
+          grpc_mdstr_as_c_string((grpc_mdstr *)md->key),
+          grpc_mdstr_as_c_string((grpc_mdstr *)md->value));
+#endif
   assert(gpr_atm_no_barrier_load(&md->refcnt) >= 1);
   if (1 == gpr_atm_full_fetch_add(&md->refcnt, -1)) {
     ctx->mdtab_free++;
diff --git a/src/core/transport/metadata.h b/src/core/transport/metadata.h
index 76e3f3c1f8..99b15322c3 100644
--- a/src/core/transport/metadata.h
+++ b/src/core/transport/metadata.h
@@ -127,11 +127,25 @@ void grpc_mdelem_set_user_data(grpc_mdelem *md, void (*destroy_func)(void *),
                                void *user_data);
 
 /* Reference counting */
+#ifdef GRPC_METADATA_REFCOUNT_DEBUG
+#define GRPC_MDSTR_REF(s) grpc_mdstr_ref((s), __FILE__, __LINE__)
+#define GRPC_MDSTR_UNREF(s) grpc_mdstr_unref((s), __FILE__, __LINE__)
+#define GRPC_MDELEM_REF(s) grpc_mdelem_ref((s), __FILE__, __LINE__)
+#define GRPC_MDELEM_UNREF(s) grpc_mdelem_unref((s), __FILE__, __LINE__)
+grpc_mdstr *grpc_mdstr_ref(grpc_mdstr *s, const char *file, int line);
+void grpc_mdstr_unref(grpc_mdstr *s, const char *file, int line);
+grpc_mdelem *grpc_mdelem_ref(grpc_mdelem *md, const char *file, int line);
+void grpc_mdelem_unref(grpc_mdelem *md, const char *file, int line);
+#else
+#define GRPC_MDSTR_REF(s) grpc_mdstr_ref((s))
+#define GRPC_MDSTR_UNREF(s) grpc_mdstr_unref((s))
+#define GRPC_MDELEM_REF(s) grpc_mdelem_ref((s))
+#define GRPC_MDELEM_UNREF(s) grpc_mdelem_unref((s))
 grpc_mdstr *grpc_mdstr_ref(grpc_mdstr *s);
 void grpc_mdstr_unref(grpc_mdstr *s);
-
 grpc_mdelem *grpc_mdelem_ref(grpc_mdelem *md);
 void grpc_mdelem_unref(grpc_mdelem *md);
+#endif
 
 /* Recover a char* from a grpc_mdstr. The returned string is null terminated.
    Does not promise that the returned string has no embedded nulls however. */
@@ -147,8 +161,18 @@ int grpc_mdstr_is_bin_suffixed(grpc_mdstr *s);
 /* Lock the metadata context: it's only safe to call _locked_ functions against
    this context from the calling thread until grpc_mdctx_unlock is called */
 void grpc_mdctx_lock(grpc_mdctx *ctx);
+#ifdef GRPC_METADATA_REFCOUNT_DEBUG
+#define GRPC_MDCTX_LOCKED_MDELEM_UNREF(ctx, elem) \
+  grpc_mdctx_locked_mdelem_unref((ctx), (elem), __FILE__, __LINE__)
+/* Unref a metadata element */
+void grpc_mdctx_locked_mdelem_unref(grpc_mdctx *ctx, grpc_mdelem *elem,
+                                    const char *file, int line);
+#else
+#define GRPC_MDCTX_LOCKED_MDELEM_UNREF(ctx, elem) \
+  grpc_mdctx_locked_mdelem_unref((ctx), (elem))
 /* Unref a metadata element */
 void grpc_mdctx_locked_mdelem_unref(grpc_mdctx *ctx, grpc_mdelem *elem);
+#endif
 /* Unlock the metadata context */
 void grpc_mdctx_unlock(grpc_mdctx *ctx);
 
diff --git a/src/core/transport/stream_op.c b/src/core/transport/stream_op.c
index 81df5455f6..fdb50c6b71 100644
--- a/src/core/transport/stream_op.c
+++ b/src/core/transport/stream_op.c
@@ -211,10 +211,10 @@ void grpc_metadata_batch_init(grpc_metadata_batch *batch) {
 void grpc_metadata_batch_destroy(grpc_metadata_batch *batch) {
   grpc_linked_mdelem *l;
   for (l = batch->list.head; l; l = l->next) {
-    grpc_mdelem_unref(l->md);
+    GRPC_MDELEM_UNREF(l->md);
   }
   for (l = batch->garbage.head; l; l = l->next) {
-    grpc_mdelem_unref(l->md);
+    GRPC_MDELEM_UNREF(l->md);
   }
 }
 
@@ -315,7 +315,7 @@ void grpc_metadata_batch_filter(grpc_metadata_batch *batch,
       assert_valid_list(&batch->list);
       link_head(&batch->garbage, l);
     } else if (filt != orig) {
-      grpc_mdelem_unref(orig);
+      GRPC_MDELEM_UNREF(orig);
       l->md = filt;
     }
   }
diff --git a/src/core/transport/transport.c b/src/core/transport/transport.c
index fe565944ed..2689e3028a 100644
--- a/src/core/transport/transport.c
+++ b/src/core/transport/transport.c
@@ -85,6 +85,6 @@ void grpc_transport_stream_op_add_cancellation(grpc_transport_stream_op *op,
     op->cancel_with_status = status;
   }
   if (message) {
-    grpc_mdstr_unref(message);
+    GRPC_MDSTR_UNREF(message);
   }
 }
diff --git a/test/core/transport/chttp2/hpack_parser_test.c b/test/core/transport/chttp2/hpack_parser_test.c
index 1d6ad2a758..3a313375a4 100644
--- a/test/core/transport/chttp2/hpack_parser_test.c
+++ b/test/core/transport/chttp2/hpack_parser_test.c
@@ -53,7 +53,7 @@ static void onhdr(void *ud, grpc_mdelem *md) {
   GPR_ASSERT(evalue);
   GPR_ASSERT(gpr_slice_str_cmp(md->key->slice, ekey) == 0);
   GPR_ASSERT(gpr_slice_str_cmp(md->value->slice, evalue) == 0);
-  grpc_mdelem_unref(md);
+  GRPC_MDELEM_UNREF(md);
 }
 
 static void test_vector(grpc_chttp2_hpack_parser *parser,
diff --git a/test/core/transport/chttp2/hpack_table_test.c b/test/core/transport/chttp2/hpack_table_test.c
index 8b86e08168..15b37d17b6 100644
--- a/test/core/transport/chttp2/hpack_table_test.c
+++ b/test/core/transport/chttp2/hpack_table_test.c
@@ -167,7 +167,7 @@ static grpc_chttp2_hptbl_find_result find_simple(grpc_chttp2_hptbl *tbl,
                                                  const char *value) {
   grpc_mdelem *md = grpc_mdelem_from_strings(tbl->mdctx, key, value);
   grpc_chttp2_hptbl_find_result r = grpc_chttp2_hptbl_find(tbl, md);
-  grpc_mdelem_unref(md);
+  GRPC_MDELEM_UNREF(md);
   return r;
 }
 
diff --git a/test/core/transport/chttp2/stream_encoder_test.c b/test/core/transport/chttp2/stream_encoder_test.c
index bf70d43e78..27fa8dab5c 100644
--- a/test/core/transport/chttp2/stream_encoder_test.c
+++ b/test/core/transport/chttp2/stream_encoder_test.c
@@ -266,7 +266,7 @@ static void chk_hdr(void *p, grpc_mdelem *el) {
   GPR_ASSERT(0 == gpr_slice_str_cmp(el->key->slice, st->key));
   GPR_ASSERT(0 == gpr_slice_str_cmp(el->value->slice, st->value));
   st->got_hdr = 1;
-  grpc_mdelem_unref(el);
+  GRPC_MDELEM_UNREF(el);
 }
 
 static void test_decode_random_headers_inner(int max_len) {
diff --git a/test/core/transport/metadata_test.c b/test/core/transport/metadata_test.c
index 89deee5a40..a932e04f33 100644
--- a/test/core/transport/metadata_test.c
+++ b/test/core/transport/metadata_test.c
@@ -70,10 +70,10 @@ static void test_create_string(void) {
   GPR_ASSERT(s3 != s1);
   GPR_ASSERT(gpr_slice_str_cmp(s1->slice, "hello") == 0);
   GPR_ASSERT(gpr_slice_str_cmp(s3->slice, "very much not hello") == 0);
-  grpc_mdstr_unref(s1);
-  grpc_mdstr_unref(s2);
+  GRPC_MDSTR_UNREF(s1);
+  GRPC_MDSTR_UNREF(s2);
   grpc_mdctx_unref(ctx);
-  grpc_mdstr_unref(s3);
+  GRPC_MDSTR_UNREF(s3);
 }
 
 static void test_create_metadata(void) {
@@ -93,9 +93,9 @@ static void test_create_metadata(void) {
   GPR_ASSERT(gpr_slice_str_cmp(m1->key->slice, "a") == 0);
   GPR_ASSERT(gpr_slice_str_cmp(m1->value->slice, "b") == 0);
   GPR_ASSERT(gpr_slice_str_cmp(m3->value->slice, "c") == 0);
-  grpc_mdelem_unref(m1);
-  grpc_mdelem_unref(m2);
-  grpc_mdelem_unref(m3);
+  GRPC_MDELEM_UNREF(m1);
+  GRPC_MDELEM_UNREF(m2);
+  GRPC_MDELEM_UNREF(m3);
   grpc_mdctx_unref(ctx);
 }
 
@@ -112,7 +112,7 @@ static void test_create_many_ephemeral_metadata(void) {
   /* add, and immediately delete a bunch of different elements */
   for (i = 0; i < MANY; i++) {
     gpr_ltoa(i, buffer);
-    grpc_mdelem_unref(grpc_mdelem_from_strings(ctx, "a", buffer));
+    GRPC_MDELEM_UNREF(grpc_mdelem_from_strings(ctx, "a", buffer));
   }
   /* capacity should not grow */
   GPR_ASSERT(mdtab_capacity_before ==
@@ -140,11 +140,11 @@ static void test_create_many_persistant_metadata(void) {
     gpr_ltoa(i, buffer);
     md = grpc_mdelem_from_strings(ctx, "a", buffer);
     GPR_ASSERT(md == created[i]);
-    grpc_mdelem_unref(md);
+    GRPC_MDELEM_UNREF(md);
   }
   /* cleanup phase */
   for (i = 0; i < MANY; i++) {
-    grpc_mdelem_unref(created[i]);
+    GRPC_MDELEM_UNREF(created[i]);
   }
   grpc_mdctx_unref(ctx);
 
@@ -160,15 +160,15 @@ static void test_spin_creating_the_same_thing(void) {
   GPR_ASSERT(grpc_mdctx_get_mdtab_count_test_only(ctx) == 0);
   GPR_ASSERT(grpc_mdctx_get_mdtab_free_test_only(ctx) == 0);
 
-  grpc_mdelem_unref(grpc_mdelem_from_strings(ctx, "a", "b"));
+  GRPC_MDELEM_UNREF(grpc_mdelem_from_strings(ctx, "a", "b"));
   GPR_ASSERT(grpc_mdctx_get_mdtab_count_test_only(ctx) == 1);
   GPR_ASSERT(grpc_mdctx_get_mdtab_free_test_only(ctx) == 1);
 
-  grpc_mdelem_unref(grpc_mdelem_from_strings(ctx, "a", "b"));
+  GRPC_MDELEM_UNREF(grpc_mdelem_from_strings(ctx, "a", "b"));
   GPR_ASSERT(grpc_mdctx_get_mdtab_count_test_only(ctx) == 1);
   GPR_ASSERT(grpc_mdctx_get_mdtab_free_test_only(ctx) == 1);
 
-  grpc_mdelem_unref(grpc_mdelem_from_strings(ctx, "a", "b"));
+  GRPC_MDELEM_UNREF(grpc_mdelem_from_strings(ctx, "a", "b"));
   GPR_ASSERT(grpc_mdctx_get_mdtab_count_test_only(ctx) == 1);
   GPR_ASSERT(grpc_mdctx_get_mdtab_free_test_only(ctx) == 1);
 
@@ -196,8 +196,8 @@ static void test_things_stick_around(void) {
   }
 
   for (i = 0; i < nstrs; i++) {
-    grpc_mdstr_ref(strs[i]);
-    grpc_mdstr_unref(strs[i]);
+    GRPC_MDSTR_REF(strs[i]);
+    GRPC_MDSTR_UNREF(strs[i]);
   }
 
   for (i = 0; i < nstrs; i++) {
@@ -209,12 +209,12 @@ static void test_things_stick_around(void) {
   }
 
   for (i = 0; i < nstrs; i++) {
-    grpc_mdstr_unref(strs[shuf[i]]);
+    GRPC_MDSTR_UNREF(strs[shuf[i]]);
     for (j = i + 1; j < nstrs; j++) {
       gpr_asprintf(&buffer, "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx%dx", shuf[j]);
       test = grpc_mdstr_from_string(ctx, buffer);
       GPR_ASSERT(test == strs[shuf[j]]);
-      grpc_mdstr_unref(test);
+      GRPC_MDSTR_UNREF(test);
       gpr_free(buffer);
     }
   }
@@ -237,14 +237,14 @@ static void test_slices_work(void) {
   str = grpc_mdstr_from_string(
       ctx, "123456789012345678901234567890123456789012345678901234567890");
   slice = gpr_slice_ref(str->slice);
-  grpc_mdstr_unref(str);
+  GRPC_MDSTR_UNREF(str);
   gpr_slice_unref(slice);
 
   str = grpc_mdstr_from_string(
       ctx, "123456789012345678901234567890123456789012345678901234567890");
   slice = gpr_slice_ref(str->slice);
   gpr_slice_unref(slice);
-  grpc_mdstr_unref(str);
+  GRPC_MDSTR_UNREF(str);
 
   grpc_mdctx_unref(ctx);
 }
@@ -264,7 +264,7 @@ static void test_base64_and_huffman_works(void) {
   GPR_ASSERT(0 == gpr_slice_cmp(slice1, slice2));
 
   gpr_slice_unref(slice2);
-  grpc_mdstr_unref(str);
+  GRPC_MDSTR_UNREF(str);
   grpc_mdctx_unref(ctx);
 }
 
-- 
cgit v1.2.3


From 3abe60b9d08ff5a784a39f7c4a10c631547c3526 Mon Sep 17 00:00:00 2001
From: yang-g <yangg@google.com>
Date: Mon, 6 Jul 2015 14:00:36 -0700
Subject: compiles

---
 BUILD                                              |  9 +++
 Makefile                                           |  5 ++
 build.json                                         | 11 +++
 include/grpc++/auth_context.h                      | 24 +++----
 include/grpc++/client_context.h                    |  3 +
 include/grpc++/server_context.h                    |  4 ++
 src/core/security/security_context.h               |  8 +++
 src/cpp/client/client_context.cc                   |  5 ++
 src/cpp/common/create_auth_context.h               | 42 +++++++++++
 src/cpp/common/insecure_auth_context.h             | 59 ++++++++++++++++
 src/cpp/common/insecure_create_auth_context.cc     | 46 ++++++++++++
 src/cpp/common/secure_auth_context.cc              | 81 ++++++++++++++++++++++
 src/cpp/common/secure_auth_context.h               | 61 ++++++++++++++++
 src/cpp/common/secure_create_auth_context.cc       | 50 +++++++++++++
 src/cpp/server/server_context.cc                   |  6 ++
 tools/doxygen/Doxyfile.c++                         |  2 +-
 tools/doxygen/Doxyfile.c++.internal                |  2 +-
 vsprojects/grpc++/grpc++.vcxproj                   |  7 ++
 vsprojects/grpc++/grpc++.vcxproj.filters           | 15 ++++
 vsprojects/grpc++_unsecure/grpc++_unsecure.vcxproj |  5 ++
 .../grpc++_unsecure.vcxproj.filters                | 12 ++++
 21 files changed, 440 insertions(+), 17 deletions(-)
 create mode 100644 src/cpp/common/create_auth_context.h
 create mode 100644 src/cpp/common/insecure_auth_context.h
 create mode 100644 src/cpp/common/insecure_create_auth_context.cc
 create mode 100644 src/cpp/common/secure_auth_context.cc
 create mode 100644 src/cpp/common/secure_auth_context.h
 create mode 100644 src/cpp/common/secure_create_auth_context.cc

(limited to 'src/core')

diff --git a/BUILD b/BUILD
index 6371a020f4..48879036bc 100644
--- a/BUILD
+++ b/BUILD
@@ -563,11 +563,15 @@ cc_library(
   name = "grpc++",
   srcs = [
     "src/cpp/client/secure_credentials.h",
+    "src/cpp/common/secure_auth_context.h",
     "src/cpp/server/secure_server_credentials.h",
     "src/cpp/client/channel.h",
+    "src/cpp/common/create_auth_context.h",
     "src/cpp/proto/proto_utils.h",
     "src/cpp/server/thread_pool.h",
     "src/cpp/client/secure_credentials.cc",
+    "src/cpp/common/secure_auth_context.cc",
+    "src/cpp/common/secure_create_auth_context.cc",
     "src/cpp/server/secure_server_credentials.cc",
     "src/cpp/client/channel.cc",
     "src/cpp/client/channel_arguments.cc",
@@ -598,6 +602,7 @@ cc_library(
   hdrs = [
     "include/grpc++/async_generic_service.h",
     "include/grpc++/async_unary_call.h",
+    "include/grpc++/auth_context.h",
     "include/grpc++/byte_buffer.h",
     "include/grpc++/channel_arguments.h",
     "include/grpc++/channel_interface.h",
@@ -646,9 +651,12 @@ cc_library(
 cc_library(
   name = "grpc++_unsecure",
   srcs = [
+    "src/cpp/common/insecure_auth_context.h",
     "src/cpp/client/channel.h",
+    "src/cpp/common/create_auth_context.h",
     "src/cpp/proto/proto_utils.h",
     "src/cpp/server/thread_pool.h",
+    "src/cpp/common/insecure_create_auth_context.cc",
     "src/cpp/client/channel.cc",
     "src/cpp/client/channel_arguments.cc",
     "src/cpp/client/client_context.cc",
@@ -678,6 +686,7 @@ cc_library(
   hdrs = [
     "include/grpc++/async_generic_service.h",
     "include/grpc++/async_unary_call.h",
+    "include/grpc++/auth_context.h",
     "include/grpc++/byte_buffer.h",
     "include/grpc++/channel_arguments.h",
     "include/grpc++/channel_interface.h",
diff --git a/Makefile b/Makefile
index 5529af7868..2be4c38d79 100644
--- a/Makefile
+++ b/Makefile
@@ -3378,6 +3378,8 @@ endif
 
 LIBGRPC++_SRC = \
     src/cpp/client/secure_credentials.cc \
+    src/cpp/common/secure_auth_context.cc \
+    src/cpp/common/secure_create_auth_context.cc \
     src/cpp/server/secure_server_credentials.cc \
     src/cpp/client/channel.cc \
     src/cpp/client/channel_arguments.cc \
@@ -3408,6 +3410,7 @@ LIBGRPC++_SRC = \
 PUBLIC_HEADERS_CXX += \
     include/grpc++/async_generic_service.h \
     include/grpc++/async_unary_call.h \
+    include/grpc++/auth_context.h \
     include/grpc++/byte_buffer.h \
     include/grpc++/channel_arguments.h \
     include/grpc++/channel_interface.h \
@@ -3667,6 +3670,7 @@ $(OBJDIR)/$(CONFIG)/test/cpp/util/subprocess.o: $(GENDIR)/test/cpp/util/messages
 
 
 LIBGRPC++_UNSECURE_SRC = \
+    src/cpp/common/insecure_create_auth_context.cc \
     src/cpp/client/channel.cc \
     src/cpp/client/channel_arguments.cc \
     src/cpp/client/client_context.cc \
@@ -3696,6 +3700,7 @@ LIBGRPC++_UNSECURE_SRC = \
 PUBLIC_HEADERS_CXX += \
     include/grpc++/async_generic_service.h \
     include/grpc++/async_unary_call.h \
+    include/grpc++/auth_context.h \
     include/grpc++/byte_buffer.h \
     include/grpc++/channel_arguments.h \
     include/grpc++/channel_interface.h \
diff --git a/build.json b/build.json
index e8c23c6aeb..89607e1a6e 100644
--- a/build.json
+++ b/build.json
@@ -30,6 +30,7 @@
       "public_headers": [
         "include/grpc++/async_generic_service.h",
         "include/grpc++/async_unary_call.h",
+        "include/grpc++/auth_context.h",
         "include/grpc++/byte_buffer.h",
         "include/grpc++/channel_arguments.h",
         "include/grpc++/channel_interface.h",
@@ -65,6 +66,7 @@
       ],
       "headers": [
         "src/cpp/client/channel.h",
+        "src/cpp/common/create_auth_context.h",
         "src/cpp/proto/proto_utils.h",
         "src/cpp/server/thread_pool.h"
       ],
@@ -514,10 +516,13 @@
       "language": "c++",
       "headers": [
         "src/cpp/client/secure_credentials.h",
+        "src/cpp/common/secure_auth_context.h",
         "src/cpp/server/secure_server_credentials.h"
       ],
       "src": [
         "src/cpp/client/secure_credentials.cc",
+        "src/cpp/common/secure_auth_context.cc",
+        "src/cpp/common/secure_create_auth_context.cc",
         "src/cpp/server/secure_server_credentials.cc"
       ],
       "deps": [
@@ -567,6 +572,12 @@
       "name": "grpc++_unsecure",
       "build": "all",
       "language": "c++",
+      "headers": [
+        "src/cpp/common/insecure_auth_context.h"
+      ],
+      "src": [
+        "src/cpp/common/insecure_create_auth_context.cc"
+      ],
       "deps": [
         "gpr",
         "grpc_unsecure"
diff --git a/include/grpc++/auth_context.h b/include/grpc++/auth_context.h
index b0aebac210..158f8e3f07 100644
--- a/include/grpc++/auth_context.h
+++ b/include/grpc++/auth_context.h
@@ -34,32 +34,26 @@
 #ifndef GRPCXX_AUTH_CONTEXT_H
 #define GRPCXX_AUTH_CONTEXT_H
 
-#include <memory>
+#include <vector>
 
-#include <grpc++/impl/grpc_library.h>
-
-#include <grpc/grpc_security.h>
+#include <grpc++/config.h>
 
 namespace grpc {
 
-class AuthContext GRPC_FINAL : {
+class AuthContext {
  public:
   typedef std::pair<grpc::string, grpc::string> Property;
 
+  virtual ~AuthContext() {}
+
   // A peer identity, in general is one or more properties (in which case they
   // have the same name).
-  std::vector<grpc::string> GetPeerIdentity() const;
-  grpc::string GetPeerIdentityPropertyName() const;
+  virtual std::vector<grpc::string> GetPeerIdentity() const = 0;
+  virtual grpc::string GetPeerIdentityPropertyName() const = 0;
 
   // Returns all the property values with the given name.
-  std::vector<grpc::string> FindPropertyValues(const grpc::string& name) const;
-
-  // Iteration over all the properties.
-  std::const_iterator<Property> begin() const;
-  std::const_iterator<Property> end() const;
-
- private:
-  grpc_auth_context *ctx_;
+  virtual std::vector<grpc::string> FindPropertyValues(
+      const grpc::string& name) const = 0;
 };
 
 }  // namespace grpc
diff --git a/include/grpc++/client_context.h b/include/grpc++/client_context.h
index ecf4cc7f7b..66d3c249a1 100644
--- a/include/grpc++/client_context.h
+++ b/include/grpc++/client_context.h
@@ -40,6 +40,7 @@
 
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
+#include <grpc++/auth_context.h>
 #include <grpc++/config.h>
 #include <grpc++/status.h>
 #include <grpc++/time.h>
@@ -108,6 +109,8 @@ class ClientContext {
     creds_ = creds;
   }
 
+  std::unique_ptr<const AuthContext> auth_context() const;
+
   void TryCancel();
 
  private:
diff --git a/include/grpc++/server_context.h b/include/grpc++/server_context.h
index d88a3ae262..5a6af299e3 100644
--- a/include/grpc++/server_context.h
+++ b/include/grpc++/server_context.h
@@ -35,8 +35,10 @@
 #define GRPCXX_SERVER_CONTEXT_H
 
 #include <map>
+#include <memory>
 
 #include <grpc/support/time.h>
+#include <grpc++/auth_context.h>
 #include <grpc++/config.h>
 #include <grpc++/time.h>
 
@@ -89,6 +91,8 @@ class ServerContext {
     return client_metadata_;
   }
 
+  std::unique_ptr<const AuthContext> auth_context() const;
+
  private:
   friend class ::grpc::Server;
   template <class W, class R>
diff --git a/src/core/security/security_context.h b/src/core/security/security_context.h
index d8909cd6f1..e6ca919130 100644
--- a/src/core/security/security_context.h
+++ b/src/core/security/security_context.h
@@ -36,6 +36,10 @@
 
 #include "src/core/security/credentials.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /* --- grpc_auth_context ---
 
    High level authentication context object. Can optionally be chained. */
@@ -90,5 +94,9 @@ typedef struct {
 grpc_server_security_context *grpc_server_security_context_create(void);
 void grpc_server_security_context_destroy(void *ctx);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif  /* GRPC_INTERNAL_CORE_SECURITY_SECURITY_CONTEXT_H */
 
diff --git a/src/cpp/client/client_context.cc b/src/cpp/client/client_context.cc
index 72cdd49d19..ac154d557a 100644
--- a/src/cpp/client/client_context.cc
+++ b/src/cpp/client/client_context.cc
@@ -36,6 +36,7 @@
 #include <grpc/grpc.h>
 #include <grpc++/credentials.h>
 #include <grpc++/time.h>
+#include "src/cpp/common/create_auth_context.h"
 
 namespace grpc {
 
@@ -75,6 +76,10 @@ void ClientContext::set_call(grpc_call* call,
   }
 }
 
+std::unique_ptr<const AuthContext> ClientContext::auth_context() const {
+  return CreateAuthContext(call_);
+}
+
 void ClientContext::TryCancel() {
   if (call_) {
     grpc_call_cancel(call_);
diff --git a/src/cpp/common/create_auth_context.h b/src/cpp/common/create_auth_context.h
new file mode 100644
index 0000000000..24c00c43a8
--- /dev/null
+++ b/src/cpp/common/create_auth_context.h
@@ -0,0 +1,42 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#include <memory>
+
+#include <grpc/grpc.h>
+#include <grpc++/auth_context.h>
+
+namespace grpc {
+
+std::unique_ptr<const AuthContext> CreateAuthContext(grpc_call* call);
+
+}  // namespace grpc
diff --git a/src/cpp/common/insecure_auth_context.h b/src/cpp/common/insecure_auth_context.h
new file mode 100644
index 0000000000..8d1653a477
--- /dev/null
+++ b/src/cpp/common/insecure_auth_context.h
@@ -0,0 +1,59 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_INTERNAL_CPP_COMMON_INSECURE_AUTH_CONTEXT_H
+#define GRPC_INTERNAL_CPP_COMMON_INSECURE_AUTH_CONTEXT_H
+
+#include <grpc++/auth_context.h>
+
+namespace grpc {
+
+class InsecureAuthContext : public AuthContext {
+ public:
+  ~InsecureAuthContext() GRPC_OVERRIDE {}
+
+  std::vector<grpc::string> GetPeerIdentity() const GRPC_OVERRIDE {
+    return std::vector<grpc::string>();
+  }
+
+  grpc::string GetPeerIdentityPropertyName() const GRPC_OVERRIDE { return ""; }
+
+  std::vector<grpc::string> FindPropertyValues(const grpc::string& name) const
+      GRPC_OVERRIDE {
+    return std::vector<grpc::string>();
+  }
+};
+
+}  // namespace grpc
+
+#endif  // GRPC_INTERNAL_CPP_COMMON_INSECURE_AUTH_CONTEXT_H
diff --git a/src/cpp/common/insecure_create_auth_context.cc b/src/cpp/common/insecure_create_auth_context.cc
new file mode 100644
index 0000000000..79d868254d
--- /dev/null
+++ b/src/cpp/common/insecure_create_auth_context.cc
@@ -0,0 +1,46 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#include <memory>
+
+#include <grpc/grpc.h>
+#include <grpc++/auth_context.h>
+#include "src/cpp/common/insecure_auth_context.h"
+
+namespace grpc {
+
+std::unique_ptr<const AuthContext> CreateAuthContext(grpc_call* call) {
+  (void)call;
+  return std::unique_ptr<const AuthContext>(new InsecureAuthContext);
+}
+
+}  // namespace grpc
diff --git a/src/cpp/common/secure_auth_context.cc b/src/cpp/common/secure_auth_context.cc
new file mode 100644
index 0000000000..4e616b913e
--- /dev/null
+++ b/src/cpp/common/secure_auth_context.cc
@@ -0,0 +1,81 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/cpp/common/secure_auth_context.h"
+
+#include "src/core/security/security_context.h"
+
+namespace grpc {
+
+SecureAuthContext::SecureAuthContext(grpc_auth_context* ctx)
+    : ctx_(grpc_auth_context_ref(ctx)) {}
+
+SecureAuthContext::~SecureAuthContext() { grpc_auth_context_unref(ctx_); }
+
+std::vector<grpc::string> SecureAuthContext::GetPeerIdentity() const {
+  if (!ctx_) {
+    return std::vector<grpc::string>();
+  }
+  grpc_auth_property_iterator iter = grpc_auth_context_peer_identity(ctx_);
+  std::vector<grpc::string> identity;
+  const grpc_auth_property* property = nullptr;
+  while ((property = grpc_auth_property_iterator_next(&iter))) {
+    identity.push_back(grpc::string(property->value, property->value_length));
+  }
+  return identity;
+}
+
+grpc::string SecureAuthContext::GetPeerIdentityPropertyName() const {
+  if (!ctx_) {
+    return "";
+  }
+  const char* name = grpc_auth_context_peer_identity_property_name(ctx_);
+  return name == nullptr ? "" : name;
+}
+
+std::vector<grpc::string> SecureAuthContext::FindPropertyValues(
+    const grpc::string& name) const {
+  if (!ctx_) {
+    return std::vector<grpc::string>();
+  }
+  grpc_auth_property_iterator iter =
+      grpc_auth_context_find_properties_by_name(ctx_, name.c_str());
+  const grpc_auth_property* property = nullptr;
+  std::vector<grpc::string> values;
+  while ((property = grpc_auth_property_iterator_next(&iter))) {
+    values.push_back(grpc::string(property->value, property->value_length));
+  }
+  return values;
+}
+
+}  // namespace grpc
diff --git a/src/cpp/common/secure_auth_context.h b/src/cpp/common/secure_auth_context.h
new file mode 100644
index 0000000000..892f8d522c
--- /dev/null
+++ b/src/cpp/common/secure_auth_context.h
@@ -0,0 +1,61 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_INTERNAL_CPP_COMMON_SECURE_AUTH_CONTEXT_H
+#define GRPC_INTERNAL_CPP_COMMON_SECURE_AUTH_CONTEXT_H
+
+#include <grpc++/auth_context.h>
+#include "src/core/security/security_context.h"
+
+namespace grpc {
+
+class SecureAuthContext : public AuthContext {
+ public:
+  SecureAuthContext(grpc_auth_context* ctx);
+
+  ~SecureAuthContext() GRPC_OVERRIDE;
+
+  std::vector<grpc::string> GetPeerIdentity() const GRPC_OVERRIDE;
+
+  grpc::string GetPeerIdentityPropertyName() const GRPC_OVERRIDE;
+
+  std::vector<grpc::string> FindPropertyValues(const grpc::string& name) const
+      GRPC_OVERRIDE;
+
+ private:
+  grpc_auth_context* ctx_;
+};
+
+}  // namespace grpc
+
+#endif  // GRPC_INTERNAL_CPP_COMMON_SECURE_AUTH_CONTEXT_H
diff --git a/src/cpp/common/secure_create_auth_context.cc b/src/cpp/common/secure_create_auth_context.cc
new file mode 100644
index 0000000000..d9fba4f4d4
--- /dev/null
+++ b/src/cpp/common/secure_create_auth_context.cc
@@ -0,0 +1,50 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#include <memory>
+
+#include <grpc/grpc.h>
+#include <grpc/grpc_security.h>
+#include <grpc++/auth_context.h>
+#include "src/cpp/common/secure_auth_context.h"
+
+namespace grpc {
+
+std::unique_ptr<const AuthContext> CreateAuthContext(grpc_call* call) {
+  grpc_auth_context* context = nullptr;
+  if (call) {
+    context = const_cast<grpc_auth_context*>(grpc_call_auth_context(call));
+  }
+  return std::unique_ptr<const AuthContext>(new SecureAuthContext(context));
+}
+
+}  // namespace grpc
diff --git a/src/cpp/server/server_context.cc b/src/cpp/server/server_context.cc
index 6b5e41d0a8..d5a582ccd9 100644
--- a/src/cpp/server/server_context.cc
+++ b/src/cpp/server/server_context.cc
@@ -39,6 +39,8 @@
 #include <grpc++/impl/sync.h>
 #include <grpc++/time.h>
 
+#include "src/cpp/common/create_auth_context.h"
+
 namespace grpc {
 
 // CompletionOp
@@ -140,4 +142,8 @@ bool ServerContext::IsCancelled() {
   return completion_op_ && completion_op_->CheckCancelled(cq_);
 }
 
+std::unique_ptr<const AuthContext> ServerContext::auth_context() const {
+  return CreateAuthContext(call_);
+}
+
 }  // namespace grpc
diff --git a/tools/doxygen/Doxyfile.c++ b/tools/doxygen/Doxyfile.c++
index 5616f2c466..e3337235e5 100644
--- a/tools/doxygen/Doxyfile.c++
+++ b/tools/doxygen/Doxyfile.c++
@@ -760,7 +760,7 @@ WARN_LOGFILE           =
 # spaces.
 # Note: If this tag is empty the current directory is searched.
 
-INPUT                  = include/grpc++/async_generic_service.h include/grpc++/async_unary_call.h include/grpc++/byte_buffer.h include/grpc++/channel_arguments.h include/grpc++/channel_interface.h include/grpc++/client_context.h include/grpc++/completion_queue.h include/grpc++/config.h include/grpc++/create_channel.h include/grpc++/credentials.h include/grpc++/generic_stub.h include/grpc++/impl/call.h include/grpc++/impl/client_unary_call.h include/grpc++/impl/grpc_library.h include/grpc++/impl/internal_stub.h include/grpc++/impl/rpc_method.h include/grpc++/impl/rpc_service_method.h include/grpc++/impl/service_type.h include/grpc++/impl/sync.h include/grpc++/impl/sync_cxx11.h include/grpc++/impl/sync_no_cxx11.h include/grpc++/impl/thd.h include/grpc++/impl/thd_cxx11.h include/grpc++/impl/thd_no_cxx11.h include/grpc++/server.h include/grpc++/server_builder.h include/grpc++/server_context.h include/grpc++/server_credentials.h include/grpc++/slice.h include/grpc++/status.h include/grpc++/status_code_enum.h include/grpc++/stream.h include/grpc++/thread_pool_interface.h include/grpc++/time.h
+INPUT                  = include/grpc++/async_generic_service.h include/grpc++/async_unary_call.h include/grpc++/auth_context.h include/grpc++/byte_buffer.h include/grpc++/channel_arguments.h include/grpc++/channel_interface.h include/grpc++/client_context.h include/grpc++/completion_queue.h include/grpc++/config.h include/grpc++/create_channel.h include/grpc++/credentials.h include/grpc++/generic_stub.h include/grpc++/impl/call.h include/grpc++/impl/client_unary_call.h include/grpc++/impl/grpc_library.h include/grpc++/impl/internal_stub.h include/grpc++/impl/rpc_method.h include/grpc++/impl/rpc_service_method.h include/grpc++/impl/service_type.h include/grpc++/impl/sync.h include/grpc++/impl/sync_cxx11.h include/grpc++/impl/sync_no_cxx11.h include/grpc++/impl/thd.h include/grpc++/impl/thd_cxx11.h include/grpc++/impl/thd_no_cxx11.h include/grpc++/server.h include/grpc++/server_builder.h include/grpc++/server_context.h include/grpc++/server_credentials.h include/grpc++/slice.h include/grpc++/status.h include/grpc++/status_code_enum.h include/grpc++/stream.h include/grpc++/thread_pool_interface.h include/grpc++/time.h
 
 # This tag can be used to specify the character encoding of the source files
 # that doxygen parses. Internally doxygen uses the UTF-8 encoding. Doxygen uses
diff --git a/tools/doxygen/Doxyfile.c++.internal b/tools/doxygen/Doxyfile.c++.internal
index 6d323274c9..2e682edb67 100644
--- a/tools/doxygen/Doxyfile.c++.internal
+++ b/tools/doxygen/Doxyfile.c++.internal
@@ -760,7 +760,7 @@ WARN_LOGFILE           =
 # spaces.
 # Note: If this tag is empty the current directory is searched.
 
-INPUT                  = include/grpc++/async_generic_service.h include/grpc++/async_unary_call.h include/grpc++/byte_buffer.h include/grpc++/channel_arguments.h include/grpc++/channel_interface.h include/grpc++/client_context.h include/grpc++/completion_queue.h include/grpc++/config.h include/grpc++/create_channel.h include/grpc++/credentials.h include/grpc++/generic_stub.h include/grpc++/impl/call.h include/grpc++/impl/client_unary_call.h include/grpc++/impl/grpc_library.h include/grpc++/impl/internal_stub.h include/grpc++/impl/rpc_method.h include/grpc++/impl/rpc_service_method.h include/grpc++/impl/service_type.h include/grpc++/impl/sync.h include/grpc++/impl/sync_cxx11.h include/grpc++/impl/sync_no_cxx11.h include/grpc++/impl/thd.h include/grpc++/impl/thd_cxx11.h include/grpc++/impl/thd_no_cxx11.h include/grpc++/server.h include/grpc++/server_builder.h include/grpc++/server_context.h include/grpc++/server_credentials.h include/grpc++/slice.h include/grpc++/status.h include/grpc++/status_code_enum.h include/grpc++/stream.h include/grpc++/thread_pool_interface.h include/grpc++/time.h src/cpp/client/secure_credentials.h src/cpp/server/secure_server_credentials.h src/cpp/client/channel.h src/cpp/proto/proto_utils.h src/cpp/server/thread_pool.h src/cpp/client/secure_credentials.cc src/cpp/server/secure_server_credentials.cc src/cpp/client/channel.cc src/cpp/client/channel_arguments.cc src/cpp/client/client_context.cc src/cpp/client/client_unary_call.cc src/cpp/client/create_channel.cc src/cpp/client/credentials.cc src/cpp/client/generic_stub.cc src/cpp/client/insecure_credentials.cc src/cpp/client/internal_stub.cc src/cpp/common/call.cc src/cpp/common/completion_queue.cc src/cpp/common/rpc_method.cc src/cpp/proto/proto_utils.cc src/cpp/server/async_generic_service.cc src/cpp/server/create_default_thread_pool.cc src/cpp/server/insecure_server_credentials.cc src/cpp/server/server.cc src/cpp/server/server_builder.cc src/cpp/server/server_context.cc src/cpp/server/server_credentials.cc src/cpp/server/thread_pool.cc src/cpp/util/byte_buffer.cc src/cpp/util/slice.cc src/cpp/util/status.cc src/cpp/util/time.cc
+INPUT                  = include/grpc++/async_generic_service.h include/grpc++/async_unary_call.h include/grpc++/auth_context.h include/grpc++/byte_buffer.h include/grpc++/channel_arguments.h include/grpc++/channel_interface.h include/grpc++/client_context.h include/grpc++/completion_queue.h include/grpc++/config.h include/grpc++/create_channel.h include/grpc++/credentials.h include/grpc++/generic_stub.h include/grpc++/impl/call.h include/grpc++/impl/client_unary_call.h include/grpc++/impl/grpc_library.h include/grpc++/impl/internal_stub.h include/grpc++/impl/rpc_method.h include/grpc++/impl/rpc_service_method.h include/grpc++/impl/service_type.h include/grpc++/impl/sync.h include/grpc++/impl/sync_cxx11.h include/grpc++/impl/sync_no_cxx11.h include/grpc++/impl/thd.h include/grpc++/impl/thd_cxx11.h include/grpc++/impl/thd_no_cxx11.h include/grpc++/server.h include/grpc++/server_builder.h include/grpc++/server_context.h include/grpc++/server_credentials.h include/grpc++/slice.h include/grpc++/status.h include/grpc++/status_code_enum.h include/grpc++/stream.h include/grpc++/thread_pool_interface.h include/grpc++/time.h src/cpp/client/secure_credentials.h src/cpp/common/secure_auth_context.h src/cpp/server/secure_server_credentials.h src/cpp/client/channel.h src/cpp/common/create_auth_context.h src/cpp/proto/proto_utils.h src/cpp/server/thread_pool.h src/cpp/client/secure_credentials.cc src/cpp/common/secure_auth_context.cc src/cpp/common/secure_create_auth_context.cc src/cpp/server/secure_server_credentials.cc src/cpp/client/channel.cc src/cpp/client/channel_arguments.cc src/cpp/client/client_context.cc src/cpp/client/client_unary_call.cc src/cpp/client/create_channel.cc src/cpp/client/credentials.cc src/cpp/client/generic_stub.cc src/cpp/client/insecure_credentials.cc src/cpp/client/internal_stub.cc src/cpp/common/call.cc src/cpp/common/completion_queue.cc src/cpp/common/rpc_method.cc src/cpp/proto/proto_utils.cc src/cpp/server/async_generic_service.cc src/cpp/server/create_default_thread_pool.cc src/cpp/server/insecure_server_credentials.cc src/cpp/server/server.cc src/cpp/server/server_builder.cc src/cpp/server/server_context.cc src/cpp/server/server_credentials.cc src/cpp/server/thread_pool.cc src/cpp/util/byte_buffer.cc src/cpp/util/slice.cc src/cpp/util/status.cc src/cpp/util/time.cc
 
 # This tag can be used to specify the character encoding of the source files
 # that doxygen parses. Internally doxygen uses the UTF-8 encoding. Doxygen uses
diff --git a/vsprojects/grpc++/grpc++.vcxproj b/vsprojects/grpc++/grpc++.vcxproj
index d233f9e3d3..7e24ab3171 100644
--- a/vsprojects/grpc++/grpc++.vcxproj
+++ b/vsprojects/grpc++/grpc++.vcxproj
@@ -148,6 +148,7 @@
   <ItemGroup>
     <ClInclude Include="..\..\include\grpc++\async_generic_service.h" />
     <ClInclude Include="..\..\include\grpc++\async_unary_call.h" />
+    <ClInclude Include="..\..\include\grpc++\auth_context.h" />
     <ClInclude Include="..\..\include\grpc++\byte_buffer.h" />
     <ClInclude Include="..\..\include\grpc++\channel_arguments.h" />
     <ClInclude Include="..\..\include\grpc++\channel_interface.h" />
@@ -183,14 +184,20 @@
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\..\src\cpp\client\secure_credentials.h" />
+    <ClInclude Include="..\..\src\cpp\common\secure_auth_context.h" />
     <ClInclude Include="..\..\src\cpp\server\secure_server_credentials.h" />
     <ClInclude Include="..\..\src\cpp\client\channel.h" />
+    <ClInclude Include="..\..\src\cpp\common\create_auth_context.h" />
     <ClInclude Include="..\..\src\cpp\proto\proto_utils.h" />
     <ClInclude Include="..\..\src\cpp\server\thread_pool.h" />
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="..\..\src\cpp\client\secure_credentials.cc">
     </ClCompile>
+    <ClCompile Include="..\..\src\cpp\common\secure_auth_context.cc">
+    </ClCompile>
+    <ClCompile Include="..\..\src\cpp\common\secure_create_auth_context.cc">
+    </ClCompile>
     <ClCompile Include="..\..\src\cpp\server\secure_server_credentials.cc">
     </ClCompile>
     <ClCompile Include="..\..\src\cpp\client\channel.cc">
diff --git a/vsprojects/grpc++/grpc++.vcxproj.filters b/vsprojects/grpc++/grpc++.vcxproj.filters
index dd375c7238..74a7177fa9 100644
--- a/vsprojects/grpc++/grpc++.vcxproj.filters
+++ b/vsprojects/grpc++/grpc++.vcxproj.filters
@@ -4,6 +4,12 @@
     <ClCompile Include="..\..\src\cpp\client\secure_credentials.cc">
       <Filter>src\cpp\client</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\src\cpp\common\secure_auth_context.cc">
+      <Filter>src\cpp\common</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\src\cpp\common\secure_create_auth_context.cc">
+      <Filter>src\cpp\common</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\src\cpp\server\secure_server_credentials.cc">
       <Filter>src\cpp\server</Filter>
     </ClCompile>
@@ -90,6 +96,9 @@
     <ClInclude Include="..\..\include\grpc++\async_unary_call.h">
       <Filter>include\grpc++</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\include\grpc++\auth_context.h">
+      <Filter>include\grpc++</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\include\grpc++\byte_buffer.h">
       <Filter>include\grpc++</Filter>
     </ClInclude>
@@ -191,12 +200,18 @@
     <ClInclude Include="..\..\src\cpp\client\secure_credentials.h">
       <Filter>src\cpp\client</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\src\cpp\common\secure_auth_context.h">
+      <Filter>src\cpp\common</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\src\cpp\server\secure_server_credentials.h">
       <Filter>src\cpp\server</Filter>
     </ClInclude>
     <ClInclude Include="..\..\src\cpp\client\channel.h">
       <Filter>src\cpp\client</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\src\cpp\common\create_auth_context.h">
+      <Filter>src\cpp\common</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\src\cpp\proto\proto_utils.h">
       <Filter>src\cpp\proto</Filter>
     </ClInclude>
diff --git a/vsprojects/grpc++_unsecure/grpc++_unsecure.vcxproj b/vsprojects/grpc++_unsecure/grpc++_unsecure.vcxproj
index 9b2ef9137d..52431b67a2 100644
--- a/vsprojects/grpc++_unsecure/grpc++_unsecure.vcxproj
+++ b/vsprojects/grpc++_unsecure/grpc++_unsecure.vcxproj
@@ -148,6 +148,7 @@
   <ItemGroup>
     <ClInclude Include="..\..\include\grpc++\async_generic_service.h" />
     <ClInclude Include="..\..\include\grpc++\async_unary_call.h" />
+    <ClInclude Include="..\..\include\grpc++\auth_context.h" />
     <ClInclude Include="..\..\include\grpc++\byte_buffer.h" />
     <ClInclude Include="..\..\include\grpc++\channel_arguments.h" />
     <ClInclude Include="..\..\include\grpc++\channel_interface.h" />
@@ -182,11 +183,15 @@
     <ClInclude Include="..\..\include\grpc++\time.h" />
   </ItemGroup>
   <ItemGroup>
+    <ClInclude Include="..\..\src\cpp\common\insecure_auth_context.h" />
     <ClInclude Include="..\..\src\cpp\client\channel.h" />
+    <ClInclude Include="..\..\src\cpp\common\create_auth_context.h" />
     <ClInclude Include="..\..\src\cpp\proto\proto_utils.h" />
     <ClInclude Include="..\..\src\cpp\server\thread_pool.h" />
   </ItemGroup>
   <ItemGroup>
+    <ClCompile Include="..\..\src\cpp\common\insecure_create_auth_context.cc">
+    </ClCompile>
     <ClCompile Include="..\..\src\cpp\client\channel.cc">
     </ClCompile>
     <ClCompile Include="..\..\src\cpp\client\channel_arguments.cc">
diff --git a/vsprojects/grpc++_unsecure/grpc++_unsecure.vcxproj.filters b/vsprojects/grpc++_unsecure/grpc++_unsecure.vcxproj.filters
index d616e336e4..37fc3d0eec 100644
--- a/vsprojects/grpc++_unsecure/grpc++_unsecure.vcxproj.filters
+++ b/vsprojects/grpc++_unsecure/grpc++_unsecure.vcxproj.filters
@@ -1,6 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup>
+    <ClCompile Include="..\..\src\cpp\common\insecure_create_auth_context.cc">
+      <Filter>src\cpp\common</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\src\cpp\client\channel.cc">
       <Filter>src\cpp\client</Filter>
     </ClCompile>
@@ -84,6 +87,9 @@
     <ClInclude Include="..\..\include\grpc++\async_unary_call.h">
       <Filter>include\grpc++</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\include\grpc++\auth_context.h">
+      <Filter>include\grpc++</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\include\grpc++\byte_buffer.h">
       <Filter>include\grpc++</Filter>
     </ClInclude>
@@ -182,9 +188,15 @@
     </ClInclude>
   </ItemGroup>
   <ItemGroup>
+    <ClInclude Include="..\..\src\cpp\common\insecure_auth_context.h">
+      <Filter>src\cpp\common</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\src\cpp\client\channel.h">
       <Filter>src\cpp\client</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\src\cpp\common\create_auth_context.h">
+      <Filter>src\cpp\common</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\src\cpp\proto\proto_utils.h">
       <Filter>src\cpp\proto</Filter>
     </ClInclude>
-- 
cgit v1.2.3


From 8068f869747529fe800586bd2a7cb34b0573dcae Mon Sep 17 00:00:00 2001
From: yang-g <yangg@google.com>
Date: Mon, 6 Jul 2015 15:05:48 -0700
Subject: Add a unit test

---
 Makefile                                    | 45 +++++++++++++++-
 build.json                                  | 13 +++++
 src/core/security/client_auth_filter.c      |  6 ++-
 src/cpp/common/secure_auth_context.cc       |  6 ++-
 test/core/security/auth_context_test.c      |  2 +-
 test/cpp/common/secure_auth_context_test.cc | 79 +++++++++++++++++++++++++++++
 tools/run_tests/sources_and_headers.json    | 13 +++++
 tools/run_tests/tests.json                  |  9 ++++
 8 files changed, 167 insertions(+), 6 deletions(-)
 create mode 100644 test/cpp/common/secure_auth_context_test.cc

(limited to 'src/core')

diff --git a/Makefile b/Makefile
index d80c8bf995..3c1811bcf8 100644
--- a/Makefile
+++ b/Makefile
@@ -810,6 +810,7 @@ qps_interarrival_test: $(BINDIR)/$(CONFIG)/qps_interarrival_test
 qps_test: $(BINDIR)/$(CONFIG)/qps_test
 qps_test_openloop: $(BINDIR)/$(CONFIG)/qps_test_openloop
 qps_worker: $(BINDIR)/$(CONFIG)/qps_worker
+secure_auth_context_test: $(BINDIR)/$(CONFIG)/secure_auth_context_test
 server_crash_test: $(BINDIR)/$(CONFIG)/server_crash_test
 server_crash_test_client: $(BINDIR)/$(CONFIG)/server_crash_test_client
 status_test: $(BINDIR)/$(CONFIG)/status_test
@@ -1392,7 +1393,7 @@ buildtests: buildtests_c buildtests_cxx
 
 buildtests_c: privatelibs_c $(BINDIR)/$(CONFIG)/alarm_heap_test $(BINDIR)/$(CONFIG)/alarm_list_test $(BINDIR)/$(CONFIG)/alarm_test $(BINDIR)/$(CONFIG)/alpn_test $(BINDIR)/$(CONFIG)/bin_encoder_test $(BINDIR)/$(CONFIG)/chttp2_status_conversion_test $(BINDIR)/$(CONFIG)/chttp2_stream_encoder_test $(BINDIR)/$(CONFIG)/chttp2_stream_map_test $(BINDIR)/$(CONFIG)/dualstack_socket_test $(BINDIR)/$(CONFIG)/fd_conservation_posix_test $(BINDIR)/$(CONFIG)/fd_posix_test $(BINDIR)/$(CONFIG)/fling_client $(BINDIR)/$(CONFIG)/fling_server $(BINDIR)/$(CONFIG)/fling_stream_test $(BINDIR)/$(CONFIG)/fling_test $(BINDIR)/$(CONFIG)/gpr_cancellable_test $(BINDIR)/$(CONFIG)/gpr_cmdline_test $(BINDIR)/$(CONFIG)/gpr_env_test $(BINDIR)/$(CONFIG)/gpr_file_test $(BINDIR)/$(CONFIG)/gpr_histogram_test $(BINDIR)/$(CONFIG)/gpr_host_port_test $(BINDIR)/$(CONFIG)/gpr_log_test $(BINDIR)/$(CONFIG)/gpr_slice_buffer_test $(BINDIR)/$(CONFIG)/gpr_slice_test $(BINDIR)/$(CONFIG)/gpr_string_test $(BINDIR)/$(CONFIG)/gpr_sync_test $(BINDIR)/$(CONFIG)/gpr_thd_test $(BINDIR)/$(CONFIG)/gpr_time_test $(BINDIR)/$(CONFIG)/gpr_tls_test $(BINDIR)/$(CONFIG)/gpr_useful_test $(BINDIR)/$(CONFIG)/grpc_auth_context_test $(BINDIR)/$(CONFIG)/grpc_base64_test $(BINDIR)/$(CONFIG)/grpc_byte_buffer_reader_test $(BINDIR)/$(CONFIG)/grpc_channel_stack_test $(BINDIR)/$(CONFIG)/grpc_completion_queue_test $(BINDIR)/$(CONFIG)/grpc_credentials_test $(BINDIR)/$(CONFIG)/grpc_json_token_test $(BINDIR)/$(CONFIG)/grpc_security_connector_test $(BINDIR)/$(CONFIG)/grpc_stream_op_test $(BINDIR)/$(CONFIG)/hpack_parser_test $(BINDIR)/$(CONFIG)/hpack_table_test $(BINDIR)/$(CONFIG)/httpcli_format_request_test $(BINDIR)/$(CONFIG)/httpcli_parser_test $(BINDIR)/$(CONFIG)/httpcli_test $(BINDIR)/$(CONFIG)/json_rewrite $(BINDIR)/$(CONFIG)/json_rewrite_test $(BINDIR)/$(CONFIG)/json_test $(BINDIR)/$(CONFIG)/lame_client_test $(BINDIR)/$(CONFIG)/message_compress_test $(BINDIR)/$(CONFIG)/multi_init_test $(BINDIR)/$(CONFIG)/multiple_server_queues_test $(BINDIR)/$(CONFIG)/murmur_hash_test $(BINDIR)/$(CONFIG)/no_server_test $(BINDIR)/$(CONFIG)/poll_kick_posix_test $(BINDIR)/$(CONFIG)/resolve_address_test $(BINDIR)/$(CONFIG)/secure_endpoint_test $(BINDIR)/$(CONFIG)/sockaddr_utils_test $(BINDIR)/$(CONFIG)/tcp_client_posix_test $(BINDIR)/$(CONFIG)/tcp_posix_test $(BINDIR)/$(CONFIG)/tcp_server_posix_test $(BINDIR)/$(CONFIG)/time_averaged_stats_test $(BINDIR)/$(CONFIG)/time_test $(BINDIR)/$(CONFIG)/timeout_encoding_test $(BINDIR)/$(CONFIG)/timers_test $(BINDIR)/$(CONFIG)/transport_metadata_test $(BINDIR)/$(CONFIG)/transport_security_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_bad_hostname_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_cancel_after_accept_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_cancel_after_accept_and_writes_closed_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_cancel_after_invoke_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_cancel_before_invoke_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_cancel_in_a_vacuum_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_census_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_disappearing_server_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_early_server_shutdown_finishes_inflight_calls_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_early_server_shutdown_finishes_tags_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_empty_batch_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_graceful_server_shutdown_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_invoke_large_request_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_max_concurrent_streams_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_max_message_length_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_no_op_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_ping_pong_streaming_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_registered_call_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_response_with_binary_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_response_with_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_response_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_response_with_payload_and_call_creds_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_response_with_trailing_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_with_flags_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_with_large_metadata_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_server_finishes_request_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_simple_delayed_request_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_simple_request_with_high_initial_sequence_number_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_bad_hostname_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_cancel_after_accept_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_cancel_after_accept_and_writes_closed_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_cancel_after_invoke_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_cancel_before_invoke_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_cancel_in_a_vacuum_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_census_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_disappearing_server_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_early_server_shutdown_finishes_inflight_calls_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_early_server_shutdown_finishes_tags_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_empty_batch_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_graceful_server_shutdown_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_invoke_large_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_max_concurrent_streams_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_max_message_length_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_no_op_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_ping_pong_streaming_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_registered_call_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_binary_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_payload_and_call_creds_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_trailing_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_flags_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_large_metadata_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_server_finishes_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_simple_delayed_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_simple_request_with_high_initial_sequence_number_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_bad_hostname_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_cancel_after_accept_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_cancel_after_accept_and_writes_closed_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_cancel_after_invoke_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_cancel_before_invoke_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_cancel_in_a_vacuum_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_census_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_disappearing_server_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_early_server_shutdown_finishes_inflight_calls_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_early_server_shutdown_finishes_tags_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_empty_batch_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_graceful_server_shutdown_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_invoke_large_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_max_concurrent_streams_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_max_message_length_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_no_op_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_ping_pong_streaming_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_registered_call_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_response_with_binary_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_response_with_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_response_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_response_with_payload_and_call_creds_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_response_with_trailing_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_with_flags_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_with_large_metadata_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_server_finishes_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_simple_delayed_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_simple_request_with_high_initial_sequence_number_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_bad_hostname_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_cancel_after_accept_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_cancel_after_accept_and_writes_closed_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_cancel_after_invoke_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_cancel_before_invoke_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_cancel_in_a_vacuum_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_census_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_disappearing_server_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_early_server_shutdown_finishes_inflight_calls_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_early_server_shutdown_finishes_tags_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_empty_batch_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_graceful_server_shutdown_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_invoke_large_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_max_concurrent_streams_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_max_message_length_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_no_op_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_ping_pong_streaming_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_registered_call_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_response_with_binary_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_response_with_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_response_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_response_with_payload_and_call_creds_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_response_with_trailing_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_with_flags_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_with_large_metadata_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_server_finishes_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_simple_delayed_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_simple_request_with_high_initial_sequence_number_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_bad_hostname_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_cancel_after_accept_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_cancel_after_accept_and_writes_closed_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_cancel_after_invoke_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_cancel_before_invoke_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_cancel_in_a_vacuum_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_census_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_disappearing_server_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_early_server_shutdown_finishes_inflight_calls_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_early_server_shutdown_finishes_tags_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_empty_batch_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_graceful_server_shutdown_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_invoke_large_request_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_max_concurrent_streams_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_max_message_length_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_no_op_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_ping_pong_streaming_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_registered_call_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_request_response_with_binary_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_request_response_with_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_request_response_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_request_response_with_payload_and_call_creds_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_request_response_with_trailing_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_request_with_flags_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_request_with_large_metadata_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_request_with_payload_test 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$(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_cancel_after_accept_and_writes_closed_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_cancel_after_invoke_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_cancel_before_invoke_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_cancel_in_a_vacuum_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_census_simple_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_disappearing_server_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_early_server_shutdown_finishes_inflight_calls_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_early_server_shutdown_finishes_tags_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_empty_batch_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_graceful_server_shutdown_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_invoke_large_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_max_concurrent_streams_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_max_message_length_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_no_op_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_ping_pong_streaming_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_registered_call_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_response_with_binary_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_response_with_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_response_with_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_response_with_trailing_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_with_flags_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_with_large_metadata_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_request_with_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_server_finishes_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_simple_delayed_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_simple_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_simple_request_with_high_initial_sequence_number_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_bad_hostname_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_cancel_after_accept_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_cancel_after_accept_and_writes_closed_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_cancel_after_invoke_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_cancel_before_invoke_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_cancel_in_a_vacuum_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_census_simple_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_disappearing_server_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_early_server_shutdown_finishes_inflight_calls_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_early_server_shutdown_finishes_tags_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_empty_batch_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_graceful_server_shutdown_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_invoke_large_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_max_concurrent_streams_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_max_message_length_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_no_op_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_ping_pong_streaming_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_registered_call_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_binary_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_flags_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_large_metadata_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_server_finishes_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_simple_delayed_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_simple_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_simple_request_with_high_initial_sequence_number_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_bad_hostname_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_and_writes_closed_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_after_invoke_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_before_invoke_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_in_a_vacuum_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_census_simple_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_disappearing_server_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_inflight_calls_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_tags_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_empty_batch_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_graceful_server_shutdown_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_invoke_large_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_max_concurrent_streams_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_max_message_length_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_no_op_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_ping_pong_streaming_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_registered_call_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_binary_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_flags_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_server_finishes_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_simple_delayed_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_simple_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_simple_request_with_high_initial_sequence_number_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_bad_hostname_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_cancel_after_accept_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_cancel_after_accept_and_writes_closed_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_cancel_after_invoke_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_cancel_before_invoke_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_cancel_in_a_vacuum_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_census_simple_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_disappearing_server_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_early_server_shutdown_finishes_inflight_calls_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_early_server_shutdown_finishes_tags_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_empty_batch_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_graceful_server_shutdown_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_invoke_large_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_max_concurrent_streams_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_max_message_length_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_no_op_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_ping_pong_streaming_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_registered_call_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_response_with_binary_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_response_with_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_response_with_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_with_flags_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_with_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_server_finishes_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_simple_delayed_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_simple_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_simple_request_with_high_initial_sequence_number_unsecure_test $(BINDIR)/$(CONFIG)/connection_prefix_bad_client_test $(BINDIR)/$(CONFIG)/initial_settings_frame_bad_client_test
 
-buildtests_cxx: privatelibs_cxx $(BINDIR)/$(CONFIG)/async_end2end_test $(BINDIR)/$(CONFIG)/async_streaming_ping_pong_test $(BINDIR)/$(CONFIG)/async_unary_ping_pong_test $(BINDIR)/$(CONFIG)/channel_arguments_test $(BINDIR)/$(CONFIG)/cli_call_test $(BINDIR)/$(CONFIG)/client_crash_test $(BINDIR)/$(CONFIG)/client_crash_test_server $(BINDIR)/$(CONFIG)/credentials_test $(BINDIR)/$(CONFIG)/cxx_byte_buffer_test $(BINDIR)/$(CONFIG)/cxx_slice_test $(BINDIR)/$(CONFIG)/cxx_time_test $(BINDIR)/$(CONFIG)/end2end_test $(BINDIR)/$(CONFIG)/generic_end2end_test $(BINDIR)/$(CONFIG)/grpc_cli $(BINDIR)/$(CONFIG)/interop_client $(BINDIR)/$(CONFIG)/interop_server $(BINDIR)/$(CONFIG)/interop_test $(BINDIR)/$(CONFIG)/mock_test $(BINDIR)/$(CONFIG)/qps_interarrival_test $(BINDIR)/$(CONFIG)/qps_test $(BINDIR)/$(CONFIG)/qps_test_openloop $(BINDIR)/$(CONFIG)/server_crash_test $(BINDIR)/$(CONFIG)/server_crash_test_client $(BINDIR)/$(CONFIG)/status_test $(BINDIR)/$(CONFIG)/sync_streaming_ping_pong_test $(BINDIR)/$(CONFIG)/sync_unary_ping_pong_test $(BINDIR)/$(CONFIG)/thread_pool_test $(BINDIR)/$(CONFIG)/thread_stress_test
+buildtests_cxx: privatelibs_cxx $(BINDIR)/$(CONFIG)/async_end2end_test $(BINDIR)/$(CONFIG)/async_streaming_ping_pong_test $(BINDIR)/$(CONFIG)/async_unary_ping_pong_test $(BINDIR)/$(CONFIG)/channel_arguments_test $(BINDIR)/$(CONFIG)/cli_call_test $(BINDIR)/$(CONFIG)/client_crash_test $(BINDIR)/$(CONFIG)/client_crash_test_server $(BINDIR)/$(CONFIG)/credentials_test $(BINDIR)/$(CONFIG)/cxx_byte_buffer_test $(BINDIR)/$(CONFIG)/cxx_slice_test $(BINDIR)/$(CONFIG)/cxx_time_test $(BINDIR)/$(CONFIG)/end2end_test $(BINDIR)/$(CONFIG)/generic_end2end_test $(BINDIR)/$(CONFIG)/grpc_cli $(BINDIR)/$(CONFIG)/interop_client $(BINDIR)/$(CONFIG)/interop_server $(BINDIR)/$(CONFIG)/interop_test $(BINDIR)/$(CONFIG)/mock_test $(BINDIR)/$(CONFIG)/qps_interarrival_test $(BINDIR)/$(CONFIG)/qps_test $(BINDIR)/$(CONFIG)/qps_test_openloop $(BINDIR)/$(CONFIG)/secure_auth_context_test $(BINDIR)/$(CONFIG)/server_crash_test $(BINDIR)/$(CONFIG)/server_crash_test_client $(BINDIR)/$(CONFIG)/status_test $(BINDIR)/$(CONFIG)/sync_streaming_ping_pong_test $(BINDIR)/$(CONFIG)/sync_unary_ping_pong_test $(BINDIR)/$(CONFIG)/thread_pool_test $(BINDIR)/$(CONFIG)/thread_stress_test
 
 test: test_c test_cxx
 
@@ -2515,6 +2516,8 @@ test_cxx: buildtests_cxx
 	$(Q) $(BINDIR)/$(CONFIG)/qps_test || ( echo test qps_test failed ; exit 1 )
 	$(E) "[RUN]     Testing qps_test_openloop"
 	$(Q) $(BINDIR)/$(CONFIG)/qps_test_openloop || ( echo test qps_test_openloop failed ; exit 1 )
+	$(E) "[RUN]     Testing secure_auth_context_test"
+	$(Q) $(BINDIR)/$(CONFIG)/secure_auth_context_test || ( echo test secure_auth_context_test failed ; exit 1 )
 	$(E) "[RUN]     Testing server_crash_test"
 	$(Q) $(BINDIR)/$(CONFIG)/server_crash_test || ( echo test server_crash_test failed ; exit 1 )
 	$(E) "[RUN]     Testing status_test"
@@ -8653,6 +8656,46 @@ endif
 endif
 
 
+SECURE_AUTH_CONTEXT_TEST_SRC = \
+    test/cpp/common/secure_auth_context_test.cc \
+
+SECURE_AUTH_CONTEXT_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(SECURE_AUTH_CONTEXT_TEST_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL with ALPN.
+
+$(BINDIR)/$(CONFIG)/secure_auth_context_test: openssl_dep_error
+
+else
+
+
+ifeq ($(NO_PROTOBUF),true)
+
+# You can't build the protoc plugins or protobuf-enabled targets if you don't have protobuf 3.0.0+.
+
+$(BINDIR)/$(CONFIG)/secure_auth_context_test: protobuf_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/secure_auth_context_test: $(PROTOBUF_DEP) $(SECURE_AUTH_CONTEXT_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LDXX) $(LDFLAGS) $(SECURE_AUTH_CONTEXT_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) $(LDLIBS_SECURE) $(GTEST_LIB) -o $(BINDIR)/$(CONFIG)/secure_auth_context_test
+
+endif
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/cpp/common/secure_auth_context_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a
+deps_secure_auth_context_test: $(SECURE_AUTH_CONTEXT_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(SECURE_AUTH_CONTEXT_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
 SERVER_CRASH_TEST_SRC = \
     test/cpp/end2end/server_crash_test.cc \
 
diff --git a/build.json b/build.json
index a0ef745244..84834efb7f 100644
--- a/build.json
+++ b/build.json
@@ -2290,6 +2290,19 @@
         "grpc++_test_config"
       ]
     },
+    {
+      "name": "secure_auth_context_test",
+      "build": "test",
+      "language": "c++",
+      "src": [
+        "test/cpp/common/secure_auth_context_test.cc"
+      ],
+      "deps": [
+        "grpc++",
+        "grpc",
+        "gpr"
+      ]
+    },
     {
       "name": "server_crash_test",
       "build": "test",
diff --git a/src/core/security/client_auth_filter.c b/src/core/security/client_auth_filter.c
index 9f1eae813b..bf3b546fee 100644
--- a/src/core/security/client_auth_filter.c
+++ b/src/core/security/client_auth_filter.c
@@ -214,10 +214,12 @@ static void auth_start_transport_op(grpc_call_element *elem,
     sec_ctx = op->context[GRPC_CONTEXT_SECURITY].value;
     if (sec_ctx->auth_context == NULL) {
       sec_ctx->auth_context =
-          grpc_auth_context_ref(chand->security_connector->base.auth_context);
+          GRPC_AUTH_CONTEXT_REF(chand->security_connector->base.auth_context,
+                                "client_auth_filter");
     } else {
       sec_ctx->auth_context->chained =
-          grpc_auth_context_ref(chand->security_connector->base.auth_context);
+          GRPC_AUTH_CONTEXT_REF(chand->security_connector->base.auth_context,
+                                "client_auth_filter chained");
     }
   }
 
diff --git a/src/cpp/common/secure_auth_context.cc b/src/cpp/common/secure_auth_context.cc
index 4e616b913e..d3606af0f6 100644
--- a/src/cpp/common/secure_auth_context.cc
+++ b/src/cpp/common/secure_auth_context.cc
@@ -38,9 +38,11 @@
 namespace grpc {
 
 SecureAuthContext::SecureAuthContext(grpc_auth_context* ctx)
-    : ctx_(grpc_auth_context_ref(ctx)) {}
+    : ctx_(GRPC_AUTH_CONTEXT_REF(ctx, "SecureAuthContext")) {}
 
-SecureAuthContext::~SecureAuthContext() { grpc_auth_context_unref(ctx_); }
+SecureAuthContext::~SecureAuthContext() {
+  GRPC_AUTH_CONTEXT_UNREF(ctx_, "SecureAuthContext");
+}
 
 std::vector<grpc::string> SecureAuthContext::GetPeerIdentity() const {
   if (!ctx_) {
diff --git a/test/core/security/auth_context_test.c b/test/core/security/auth_context_test.c
index 2b12551a06..a30505a63b 100644
--- a/test/core/security/auth_context_test.c
+++ b/test/core/security/auth_context_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include<string.h>
+#include <string.h>
 
 #include "src/core/security/security_context.h"
 #include "src/core/support/string.h"
diff --git a/test/cpp/common/secure_auth_context_test.cc b/test/cpp/common/secure_auth_context_test.cc
new file mode 100644
index 0000000000..e65a257803
--- /dev/null
+++ b/test/cpp/common/secure_auth_context_test.cc
@@ -0,0 +1,79 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <grpc++/auth_context.h>
+#include <gtest/gtest.h>
+#include "src/cpp/common/secure_auth_context.h"
+#include "src/core/security/security_context.h"
+
+namespace grpc {
+namespace {
+
+class SecureAuthContextTest : public ::testing::Test {};
+
+// Created with nullptr
+TEST_F(SecureAuthContextTest, EmptyContext) {
+  SecureAuthContext context(nullptr);
+  EXPECT_TRUE(context.GetPeerIdentity().empty());
+  EXPECT_TRUE(context.GetPeerIdentityPropertyName().empty());
+  EXPECT_TRUE(context.FindPropertyValues("").empty());
+  EXPECT_TRUE(context.FindPropertyValues("whatever").empty());
+}
+
+TEST_F(SecureAuthContextTest, Properties) {
+  grpc_auth_context* ctx = grpc_auth_context_create(NULL, 3);
+  ctx->properties[0] = grpc_auth_property_init_from_cstring("name", "chapi");
+  ctx->properties[1] = grpc_auth_property_init_from_cstring("name", "chapo");
+  ctx->properties[2] = grpc_auth_property_init_from_cstring("foo", "bar");
+  ctx->peer_identity_property_name = ctx->properties[0].name;
+
+  SecureAuthContext context(ctx);
+  std::vector<grpc::string> peer_identity = context.GetPeerIdentity();
+  EXPECT_EQ(2, peer_identity.size());
+  EXPECT_EQ("chapi", peer_identity[0]);
+  EXPECT_EQ("chapo", peer_identity[1]);
+  EXPECT_EQ("name", context.GetPeerIdentityPropertyName());
+  std::vector<grpc::string> bar = context.FindPropertyValues("foo");
+  EXPECT_EQ(1, bar.size());
+  EXPECT_EQ("bar", bar[0]);
+
+  GRPC_AUTH_CONTEXT_UNREF(ctx, "SecureAuthContextTest");
+}
+
+}  // namespace
+}  // namespace grpc
+
+int main(int argc, char **argv) {
+  ::testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
+}
diff --git a/tools/run_tests/sources_and_headers.json b/tools/run_tests/sources_and_headers.json
index 1fb239983a..f81e8efdc9 100644
--- a/tools/run_tests/sources_and_headers.json
+++ b/tools/run_tests/sources_and_headers.json
@@ -1441,6 +1441,19 @@
       "test/cpp/qps/worker.cc"
     ]
   }, 
+  {
+    "deps": [
+      "gpr", 
+      "grpc", 
+      "grpc++"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "secure_auth_context_test", 
+    "src": [
+      "test/cpp/common/secure_auth_context_test.cc"
+    ]
+  }, 
   {
     "deps": [
       "gpr", 
diff --git a/tools/run_tests/tests.json b/tools/run_tests/tests.json
index 432b908bd6..67d48ab77f 100644
--- a/tools/run_tests/tests.json
+++ b/tools/run_tests/tests.json
@@ -702,6 +702,15 @@
       "posix"
     ]
   }, 
+  {
+    "flaky": false, 
+    "language": "c++", 
+    "name": "secure_auth_context_test", 
+    "platforms": [
+      "windows", 
+      "posix"
+    ]
+  }, 
   {
     "flaky": false, 
     "language": "c++", 
-- 
cgit v1.2.3


From 6f7411fc9c84cc6278286d8b629a53d2103a7725 Mon Sep 17 00:00:00 2001
From: Craig Tiller <ctiller@google.com>
Date: Mon, 6 Jul 2015 15:37:28 -0700
Subject: Handle settings frame making a stream writable

---
 src/core/transport/chttp2_transport.c | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'src/core')

diff --git a/src/core/transport/chttp2_transport.c b/src/core/transport/chttp2_transport.c
index 7ecc49ed60..5cc4d9b876 100644
--- a/src/core/transport/chttp2_transport.c
+++ b/src/core/transport/chttp2_transport.c
@@ -853,11 +853,19 @@ static void update_global_window(void *args, gpr_uint32 id, void *stream) {
   grpc_chttp2_stream *s = stream;
   grpc_chttp2_transport_global *transport_global = &t->global;
   grpc_chttp2_stream_global *stream_global = &s->global;
+  int was_zero;
+  int is_zero;
 
   GRPC_CHTTP2_FLOWCTL_TRACE_STREAM("settings", transport_global, stream_global,
                                    outgoing_window,
                                    t->parsing.initial_window_update);
+  was_zero = stream_global->outgoing_window <= 0;
   stream_global->outgoing_window += t->parsing.initial_window_update;
+  is_zero = stream_global->outgoing_window <= 0;
+
+  if (was_zero && !is_zero) {
+    grpc_chttp2_list_add_writable_stream(transport_global, stream_global);
+  }
 }
 
 static void read_error_locked(grpc_chttp2_transport *t) {
-- 
cgit v1.2.3


From 76d2c3b95185b6d0cbaca90843412caef47806da Mon Sep 17 00:00:00 2001
From: Craig Tiller <ctiller@google.com>
Date: Tue, 7 Jul 2015 11:46:01 -0700
Subject: Split mu_call into a server-wide and a per-call lock

---
 src/core/surface/server.c | 66 +++++++++++++++++++++++++++++------------------
 1 file changed, 41 insertions(+), 25 deletions(-)

(limited to 'src/core')

diff --git a/src/core/surface/server.c b/src/core/surface/server.c
index 341ca2942c..95d0bb9a60 100644
--- a/src/core/surface/server.c
+++ b/src/core/surface/server.c
@@ -182,7 +182,11 @@ typedef enum {
 struct call_data {
   grpc_call *call;
 
+  /** protects state */
+  gpr_mu mu_state;
+  /** the current state of a call - see call_state */
   call_state state;
+
   grpc_mdstr *path;
   grpc_mdstr *host;
   gpr_timespec deadline;
@@ -403,19 +407,23 @@ static void destroy_channel(channel_data *chand) {
   grpc_iomgr_add_callback(&chand->finish_destroy_channel_closure);
 }
 
-static void finish_start_new_rpc_and_unlock(grpc_server *server,
-                                            grpc_call_element *elem,
-                                            call_data **pending_root,
-                                            requested_call_array *array) {
+static void finish_start_new_rpc(grpc_server *server, grpc_call_element *elem,
+                                 call_data **pending_root,
+                                 requested_call_array *array) {
   requested_call rc;
   call_data *calld = elem->call_data;
+  gpr_mu_lock(&server->mu_call);
   if (array->count == 0) {
+    gpr_mu_lock(&calld->mu_state);
     calld->state = PENDING;
+    gpr_mu_unlock(&calld->mu_state);
     call_list_join(pending_root, calld, PENDING_START);
     gpr_mu_unlock(&server->mu_call);
   } else {
     rc = array->calls[--array->count];
+    gpr_mu_lock(&calld->mu_state);
     calld->state = ACTIVATED;
+    gpr_mu_unlock(&calld->mu_state);
     gpr_mu_unlock(&server->mu_call);
     begin_call(server, calld, &rc);
   }
@@ -429,7 +437,6 @@ static void start_new_rpc(grpc_call_element *elem) {
   gpr_uint32 hash;
   channel_registered_method *rm;
 
-  gpr_mu_lock(&server->mu_call);
   if (chand->registered_methods && calld->path && calld->host) {
     /* TODO(ctiller): unify these two searches */
     /* check for an exact match with host */
@@ -440,9 +447,8 @@ static void start_new_rpc(grpc_call_element *elem) {
       if (!rm) break;
       if (rm->host != calld->host) continue;
       if (rm->method != calld->path) continue;
-      finish_start_new_rpc_and_unlock(server, elem,
-                                      &rm->server_registered_method->pending,
-                                      &rm->server_registered_method->requested);
+      finish_start_new_rpc(server, elem, &rm->server_registered_method->pending,
+                           &rm->server_registered_method->requested);
       return;
     }
     /* check for a wildcard method definition (no host set) */
@@ -453,14 +459,13 @@ static void start_new_rpc(grpc_call_element *elem) {
       if (!rm) break;
       if (rm->host != NULL) continue;
       if (rm->method != calld->path) continue;
-      finish_start_new_rpc_and_unlock(server, elem,
-                                      &rm->server_registered_method->pending,
-                                      &rm->server_registered_method->requested);
+      finish_start_new_rpc(server, elem, &rm->server_registered_method->pending,
+                           &rm->server_registered_method->requested);
       return;
     }
   }
-  finish_start_new_rpc_and_unlock(server, elem, &server->lists[PENDING_START],
-                                  &server->requested_calls);
+  finish_start_new_rpc(server, elem, &server->lists[PENDING_START],
+                       &server->requested_calls);
 }
 
 static void kill_zombie(void *elem, int success) {
@@ -541,27 +546,34 @@ static void server_on_recv(void *ptr, int success) {
     case GRPC_STREAM_SEND_CLOSED:
       break;
     case GRPC_STREAM_RECV_CLOSED:
-      gpr_mu_lock(&chand->server->mu_call);
+      gpr_mu_lock(&calld->mu_state);
       if (calld->state == NOT_STARTED) {
         calld->state = ZOMBIED;
+        gpr_mu_unlock(&calld->mu_state);
         grpc_iomgr_closure_init(&calld->kill_zombie_closure, kill_zombie, elem);
         grpc_iomgr_add_callback(&calld->kill_zombie_closure);
+      } else {
+        gpr_mu_unlock(&calld->mu_state);
       }
-      gpr_mu_unlock(&chand->server->mu_call);
       break;
     case GRPC_STREAM_CLOSED:
-      gpr_mu_lock(&chand->server->mu_call);
+      gpr_mu_lock(&calld->mu_state);
       if (calld->state == NOT_STARTED) {
         calld->state = ZOMBIED;
+        gpr_mu_unlock(&calld->mu_state);
         grpc_iomgr_closure_init(&calld->kill_zombie_closure, kill_zombie, elem);
         grpc_iomgr_add_callback(&calld->kill_zombie_closure);
       } else if (calld->state == PENDING) {
-        call_list_remove(calld, PENDING_START);
         calld->state = ZOMBIED;
+        gpr_mu_unlock(&calld->mu_state);
+        gpr_mu_lock(&chand->server->mu_call);
+        call_list_remove(calld, PENDING_START);
+        gpr_mu_unlock(&chand->server->mu_call);
         grpc_iomgr_closure_init(&calld->kill_zombie_closure, kill_zombie, elem);
         grpc_iomgr_add_callback(&calld->kill_zombie_closure);
+      } else {
+        gpr_mu_unlock(&calld->mu_state);
       }
-      gpr_mu_unlock(&chand->server->mu_call);
       break;
   }
 
@@ -623,6 +635,7 @@ static void init_call_elem(grpc_call_element *elem,
   memset(calld, 0, sizeof(call_data));
   calld->deadline = gpr_inf_future;
   calld->call = grpc_call_from_top_element(elem);
+  gpr_mu_init(&calld->mu_state);
 
   grpc_iomgr_closure_init(&calld->server_on_recv, server_on_recv, elem);
 
@@ -634,13 +647,12 @@ static void init_call_elem(grpc_call_element *elem,
 static void destroy_call_elem(grpc_call_element *elem) {
   channel_data *chand = elem->channel_data;
   call_data *calld = elem->call_data;
-  size_t i;
 
-  gpr_mu_lock(&chand->server->mu_call);
-  for (i = 0; i < CALL_LIST_COUNT; i++) {
-    call_list_remove(elem->call_data, i);
+  if (calld->state == PENDING) {
+    gpr_mu_lock(&chand->server->mu_call);
+    call_list_remove(elem->call_data, PENDING_START);
+    gpr_mu_unlock(&chand->server->mu_call);
   }
-  gpr_mu_unlock(&chand->server->mu_call);
 
   if (calld->host) {
     grpc_mdstr_unref(calld->host);
@@ -649,6 +661,8 @@ static void destroy_call_elem(grpc_call_element *elem) {
     grpc_mdstr_unref(calld->path);
   }
 
+  gpr_mu_destroy(&calld->mu_state);
+
   server_unref(chand->server);
 }
 
@@ -1043,10 +1057,12 @@ static grpc_call_error queue_call_request(grpc_server *server,
       requested_calls = &rc->data.registered.registered_method->requested;
       break;
   }
-  if (calld) {
+  if (calld != NULL) {
+    gpr_mu_unlock(&server->mu_call);
+    gpr_mu_lock(&calld->mu_state);
     GPR_ASSERT(calld->state == PENDING);
     calld->state = ACTIVATED;
-    gpr_mu_unlock(&server->mu_call);
+    gpr_mu_unlock(&calld->mu_state);
     begin_call(server, calld, rc);
     return GRPC_CALL_OK;
   } else {
-- 
cgit v1.2.3


From ab9f192ce99f8bd53ff30b121558eff4f9cb30d4 Mon Sep 17 00:00:00 2001
From: Craig Tiller <craig.tiller@gmail.com>
Date: Tue, 7 Jul 2015 14:58:55 -0700
Subject: Fix TSAN reported bug

---
 src/core/channel/client_channel.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/core')

diff --git a/src/core/channel/client_channel.c b/src/core/channel/client_channel.c
index 871e970eb8..f890f99237 100644
--- a/src/core/channel/client_channel.c
+++ b/src/core/channel/client_channel.c
@@ -427,7 +427,7 @@ static void cc_on_config_changed(void *arg, int iomgr_success) {
     GRPC_RESOLVER_REF(resolver, "channel-next");
     gpr_mu_unlock(&chand->mu_config);
     GRPC_CHANNEL_INTERNAL_REF(chand->master, "resolver");
-    grpc_resolver_next(chand->resolver, &chand->incoming_configuration,
+    grpc_resolver_next(resolver, &chand->incoming_configuration,
                        &chand->on_config_changed);
     GRPC_RESOLVER_UNREF(resolver, "channel-next");
   } else {
-- 
cgit v1.2.3


From 61a0ef58bba279f56a3be09f04552d02f6bd4fad Mon Sep 17 00:00:00 2001
From: Julien Boeuf <jboeuf@google.com>
Date: Wed, 8 Jul 2015 00:49:14 +0200
Subject: Fixing json doc.

---
 src/core/json/json.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/core')

diff --git a/src/core/json/json.h b/src/core/json/json.h
index b78b42a5b2..cac18ad885 100644
--- a/src/core/json/json.h
+++ b/src/core/json/json.h
@@ -53,7 +53,7 @@ typedef struct grpc_json {
 } grpc_json;
 
 /* The next two functions are going to parse the input string, and
- * destroy it in the process, in order to use its space to store
+ * modify it in the process, in order to use its space to store
  * all of the keys and values for the returned object tree.
  *
  * They assume UTF-8 input stream, and will output UTF-8 encoded
-- 
cgit v1.2.3


From ab54f793ffbf8f1e805f85d6b0a95c93e619baec Mon Sep 17 00:00:00 2001
From: Craig Tiller <ctiller@google.com>
Date: Wed, 8 Jul 2015 08:34:20 -0700
Subject: Reduce spam

---
 src/core/iomgr/iomgr.c         |  5 +++++
 src/core/surface/server.c      | 36 ++++++++++++++++++++++++++++--------
 test/core/util/grpc_profiler.c | 16 +++++++++++-----
 3 files changed, 44 insertions(+), 13 deletions(-)

(limited to 'src/core')

diff --git a/src/core/iomgr/iomgr.c b/src/core/iomgr/iomgr.c
index c507e7c26a..4a2c45a023 100644
--- a/src/core/iomgr/iomgr.c
+++ b/src/core/iomgr/iomgr.c
@@ -111,10 +111,13 @@ void grpc_iomgr_shutdown(void) {
   grpc_iomgr_closure *closure;
   gpr_timespec shutdown_deadline =
       gpr_time_add(gpr_now(), gpr_time_from_seconds(10));
+  gpr_timespec last_warning_time = gpr_now();
 
   gpr_mu_lock(&g_mu);
   g_shutdown = 1;
   while (g_cbs_head != NULL || g_root_object.next != &g_root_object) {
+    if (gpr_time_cmp(gpr_time_sub(gpr_now(), last_warning_time),
+                     gpr_time_from_seconds(1)) >= 0) {
     if (g_cbs_head != NULL && g_root_object.next != &g_root_object) {
       gpr_log(GPR_DEBUG,
               "Waiting for %d iomgr objects to be destroyed and executing "
@@ -126,6 +129,8 @@ void grpc_iomgr_shutdown(void) {
       gpr_log(GPR_DEBUG, "Waiting for %d iomgr objects to be destroyed",
               count_objects());
     }
+    last_warning_time = gpr_now();
+    }
     if (g_cbs_head) {
       do {
         closure = g_cbs_head;
diff --git a/src/core/surface/server.c b/src/core/surface/server.c
index 341ca2942c..4053b22063 100644
--- a/src/core/surface/server.c
+++ b/src/core/surface/server.c
@@ -166,6 +166,9 @@ struct grpc_server {
   listener *listeners;
   int listeners_destroyed;
   gpr_refcount internal_refcount;
+
+  /** when did we print the last shutdown progress message */
+  gpr_timespec last_shutdown_message_time;
 };
 
 typedef enum {
@@ -476,20 +479,35 @@ static int num_listeners(grpc_server *server) {
   return n;
 }
 
+static int num_channels(grpc_server *server) {
+  channel_data *chand;
+  int n = 0;
+  for (chand = server->root_channel_data.next;
+       chand != &server->root_channel_data; chand = chand->next) {
+    n++;
+  }
+  return n;
+}
+
 static void maybe_finish_shutdown(grpc_server *server) {
   size_t i;
   if (!server->shutdown || server->shutdown_published) {
     return;
   }
 
-  if (server->root_channel_data.next != &server->root_channel_data) {
-    gpr_log(GPR_DEBUG,
-            "Waiting for all channels to close before destroying server");
-    return;
-  }
-  if (server->listeners_destroyed < num_listeners(server)) {
-    gpr_log(GPR_DEBUG, "Waiting for all listeners to be destroyed (@ %d/%d)",
-            server->listeners_destroyed, num_listeners(server));
+  if (server->root_channel_data.next != &server->root_channel_data ||
+      server->listeners_destroyed < num_listeners(server)) {
+    if (gpr_time_cmp(
+            gpr_time_sub(gpr_now(), server->last_shutdown_message_time),
+            gpr_time_from_seconds(1)) >= 0) {
+      server->last_shutdown_message_time = gpr_now();
+      gpr_log(GPR_DEBUG,
+              "Waiting for %d channels and %d/%d listeners to be destroyed"
+              " before shutting down server",
+              num_channels(server),
+              num_listeners(server) - server->listeners_destroyed,
+              num_listeners(server));
+    }
     return;
   }
   server->shutdown_published = 1;
@@ -930,6 +948,8 @@ void grpc_server_shutdown_and_notify(grpc_server *server,
     return;
   }
 
+  server->last_shutdown_message_time = gpr_now();
+
   channel_broadcaster_init(server, &broadcaster);
 
   /* collect all unregistered then registered calls */
diff --git a/test/core/util/grpc_profiler.c b/test/core/util/grpc_profiler.c
index d5b6cfeef1..c2c0c9cf53 100644
--- a/test/core/util/grpc_profiler.c
+++ b/test/core/util/grpc_profiler.c
@@ -43,11 +43,17 @@ void grpc_profiler_stop() { ProfilerStop(); }
 #include <grpc/support/log.h>
 
 void grpc_profiler_start(const char *filename) {
-  gpr_log(GPR_DEBUG,
-          "You do not have google-perftools installed, profiling is disabled [for %s]", filename);
-  gpr_log(GPR_DEBUG,
-          "To install on ubuntu: sudo apt-get install google-perftools "
-          "libgoogle-perftools-dev");
+  static int printed_warning = 0;
+  if (!printed_warning) {
+    gpr_log(GPR_DEBUG,
+            "You do not have google-perftools installed, profiling is disabled "
+            "[for %s]",
+            filename);
+    gpr_log(GPR_DEBUG,
+            "To install on ubuntu: sudo apt-get install google-perftools "
+            "libgoogle-perftools-dev");
+    printed_warning = 1;
+  }
 }
 
 void grpc_profiler_stop(void) {}
-- 
cgit v1.2.3


From f9e8e59b1c113b614736b89cb2cb4e543ba82d9f Mon Sep 17 00:00:00 2001
From: yang-g <yangg@google.com>
Date: Thu, 9 Jul 2015 12:32:15 -0700
Subject: Resolve comments

---
 include/grpc/grpc_security.h                |  8 ++++++--
 src/core/security/client_auth_filter.c      | 12 +++---------
 src/core/security/security_context.c        | 14 +++++++++++---
 src/cpp/common/secure_auth_context.cc       |  9 +++------
 test/cpp/common/secure_auth_context_test.cc |  2 --
 5 files changed, 23 insertions(+), 22 deletions(-)

(limited to 'src/core')

diff --git a/include/grpc/grpc_security.h b/include/grpc/grpc_security.h
index 7a6aa66670..0154d8ac2a 100644
--- a/include/grpc/grpc_security.h
+++ b/include/grpc/grpc_security.h
@@ -243,8 +243,12 @@ const char *grpc_auth_context_peer_identity_property_name(
 /* Returns 1 if the peer is authenticated, 0 otherwise. */
 int grpc_auth_context_peer_is_authenticated(const grpc_auth_context *ctx);
 
-/* Gets the auth context from the call. */
-const grpc_auth_context *grpc_call_auth_context(grpc_call *call);
+/* Gets the auth context from the call. Caller needs to call
+   grpc_auth_context_release on the returned context. */
+grpc_auth_context *grpc_call_auth_context(grpc_call *call);
+
+/* Releases the auth context returned from grpc_call_auth_context. */
+void grpc_auth_context_release(grpc_auth_context *context);
 
 #ifdef __cplusplus
 }
diff --git a/src/core/security/client_auth_filter.c b/src/core/security/client_auth_filter.c
index 16611ffae2..632a742250 100644
--- a/src/core/security/client_auth_filter.c
+++ b/src/core/security/client_auth_filter.c
@@ -212,15 +212,9 @@ static void auth_start_transport_op(grpc_call_element *elem,
           grpc_client_security_context_destroy;
     }
     sec_ctx = op->context[GRPC_CONTEXT_SECURITY].value;
-    if (sec_ctx->auth_context == NULL) {
-      sec_ctx->auth_context =
-          GRPC_AUTH_CONTEXT_REF(chand->security_connector->base.auth_context,
-                                "client_auth_filter");
-    } else {
-      sec_ctx->auth_context->chained =
-          GRPC_AUTH_CONTEXT_REF(chand->security_connector->base.auth_context,
-                                "client_auth_filter chained");
-    }
+    GRPC_AUTH_CONTEXT_UNREF(sec_ctx->auth_context, "client auth filter");
+    sec_ctx->auth_context = GRPC_AUTH_CONTEXT_REF(
+        chand->security_connector->base.auth_context, "client_auth_filter");
   }
 
   if (op->bind_pollset) {
diff --git a/src/core/security/security_context.c b/src/core/security/security_context.c
index 4d56549f9b..8ce7876bd8 100644
--- a/src/core/security/security_context.c
+++ b/src/core/security/security_context.c
@@ -69,12 +69,20 @@ grpc_call_error grpc_call_set_credentials(grpc_call *call,
   return GRPC_CALL_OK;
 }
 
-const grpc_auth_context *grpc_call_auth_context(grpc_call *call) {
+grpc_auth_context *grpc_call_auth_context(grpc_call *call) {
   void *sec_ctx = grpc_call_context_get(call, GRPC_CONTEXT_SECURITY);
   if (sec_ctx == NULL) return NULL;
   return grpc_call_is_client(call)
-             ? ((grpc_client_security_context *)sec_ctx)->auth_context
-             : ((grpc_server_security_context *)sec_ctx)->auth_context;
+             ? GRPC_AUTH_CONTEXT_REF(
+                   ((grpc_client_security_context *)sec_ctx)->auth_context,
+                   "grpc_call_auth_context client")
+             : GRPC_AUTH_CONTEXT_REF(
+                   ((grpc_server_security_context *)sec_ctx)->auth_context,
+                   "grpc_call_auth_context server");
+}
+
+void grpc_auth_context_release(grpc_auth_context *context) {
+  GRPC_AUTH_CONTEXT_UNREF(context, "grpc_auth_context_unref");
 }
 
 /* --- grpc_client_security_context --- */
diff --git a/src/cpp/common/secure_auth_context.cc b/src/cpp/common/secure_auth_context.cc
index d3606af0f6..4513723653 100644
--- a/src/cpp/common/secure_auth_context.cc
+++ b/src/cpp/common/secure_auth_context.cc
@@ -33,16 +33,13 @@
 
 #include "src/cpp/common/secure_auth_context.h"
 
-#include "src/core/security/security_context.h"
+#include <grpc/grpc_security.h>
 
 namespace grpc {
 
-SecureAuthContext::SecureAuthContext(grpc_auth_context* ctx)
-    : ctx_(GRPC_AUTH_CONTEXT_REF(ctx, "SecureAuthContext")) {}
+SecureAuthContext::SecureAuthContext(grpc_auth_context* ctx) : ctx_(ctx) {}
 
-SecureAuthContext::~SecureAuthContext() {
-  GRPC_AUTH_CONTEXT_UNREF(ctx_, "SecureAuthContext");
-}
+SecureAuthContext::~SecureAuthContext() { grpc_auth_context_release(ctx_); }
 
 std::vector<grpc::string> SecureAuthContext::GetPeerIdentity() const {
   if (!ctx_) {
diff --git a/test/cpp/common/secure_auth_context_test.cc b/test/cpp/common/secure_auth_context_test.cc
index e65a257803..6f8fb8f2cb 100644
--- a/test/cpp/common/secure_auth_context_test.cc
+++ b/test/cpp/common/secure_auth_context_test.cc
@@ -66,8 +66,6 @@ TEST_F(SecureAuthContextTest, Properties) {
   std::vector<grpc::string> bar = context.FindPropertyValues("foo");
   EXPECT_EQ(1, bar.size());
   EXPECT_EQ("bar", bar[0]);
-
-  GRPC_AUTH_CONTEXT_UNREF(ctx, "SecureAuthContextTest");
 }
 
 }  // namespace
-- 
cgit v1.2.3


From c6d6d9056d809c560688f62bf19a02463b7487fd Mon Sep 17 00:00:00 2001
From: Craig Tiller <ctiller@google.com>
Date: Thu, 9 Jul 2015 15:53:50 -0700
Subject: Fix host name matching not working

---
 src/core/surface/server.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/core')

diff --git a/src/core/surface/server.c b/src/core/surface/server.c
index a9d8940631..5af5f47781 100644
--- a/src/core/surface/server.c
+++ b/src/core/surface/server.c
@@ -441,7 +441,7 @@ static void start_new_rpc(grpc_call_element *elem) {
     /* TODO(ctiller): unify these two searches */
     /* check for an exact match with host */
     hash = GRPC_MDSTR_KV_HASH(calld->host->hash, calld->path->hash);
-    for (i = 0; i < chand->registered_method_max_probes; i++) {
+    for (i = 0; i <= chand->registered_method_max_probes; i++) {
       rm = &chand->registered_methods[(hash + i) %
                                       chand->registered_method_slots];
       if (!rm) break;
-- 
cgit v1.2.3


From 7913dea90be568e8557761bcfc7a8f96f8f9be9c Mon Sep 17 00:00:00 2001
From: Jan Tattermusch <jtattermusch@google.com>
Date: Thu, 9 Jul 2015 20:37:17 -0700
Subject: improve debug info for client and server iomgr object leaks

---
 src/core/iomgr/socket_windows.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'src/core')

diff --git a/src/core/iomgr/socket_windows.c b/src/core/iomgr/socket_windows.c
index fbf3fdc949..897408ded2 100644
--- a/src/core/iomgr/socket_windows.c
+++ b/src/core/iomgr/socket_windows.c
@@ -45,11 +45,14 @@
 #include "src/core/iomgr/socket_windows.h"
 
 grpc_winsocket *grpc_winsocket_create(SOCKET socket, const char *name) {
+  char *final_name;
   grpc_winsocket *r = gpr_malloc(sizeof(grpc_winsocket));
   memset(r, 0, sizeof(grpc_winsocket));
   r->socket = socket;
   gpr_mu_init(&r->state_mu);
-  grpc_iomgr_register_object(&r->iomgr_object, name);
+  gpr_asprintf(&final_name, "%s:socket=0x%p", name, r);
+  grpc_iomgr_register_object(&r->iomgr_object, final_name);
+  gpr_free(final_name);
   grpc_iocp_add_socket(r);
   return r;
 }
-- 
cgit v1.2.3