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-rw-r--r--src/core/ext/transport/chttp2/server/chttp2_server.c4
-rw-r--r--src/core/ext/transport/chttp2/server/insecure/server_chttp2.c2
-rw-r--r--src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c2
-rw-r--r--src/core/ext/transport/chttp2/transport/bin_decoder.c14
-rw-r--r--src/core/ext/transport/chttp2/transport/bin_encoder.c3
-rw-r--r--src/core/ext/transport/chttp2/transport/bin_encoder.h3
-rw-r--r--src/core/ext/transport/chttp2/transport/chttp2_plugin.c3
-rw-r--r--src/core/ext/transport/chttp2/transport/chttp2_transport.c372
-rw-r--r--src/core/ext/transport/chttp2/transport/frame_rst_stream.c13
-rw-r--r--src/core/ext/transport/chttp2/transport/frame_settings.c16
-rw-r--r--src/core/ext/transport/chttp2/transport/hpack_encoder.c152
-rw-r--r--src/core/ext/transport/chttp2/transport/hpack_encoder.h4
-rw-r--r--src/core/ext/transport/chttp2/transport/hpack_parser.c196
-rw-r--r--src/core/ext/transport/chttp2/transport/hpack_parser.h20
-rw-r--r--src/core/ext/transport/chttp2/transport/hpack_table.c41
-rw-r--r--src/core/ext/transport/chttp2/transport/hpack_table.h12
-rw-r--r--src/core/ext/transport/chttp2/transport/http2_errors.h56
-rw-r--r--src/core/ext/transport/chttp2/transport/incoming_metadata.c34
-rw-r--r--src/core/ext/transport/chttp2/transport/incoming_metadata.h8
-rw-r--r--src/core/ext/transport/chttp2/transport/internal.h3
-rw-r--r--src/core/ext/transport/chttp2/transport/parsing.c69
-rw-r--r--src/core/ext/transport/chttp2/transport/status_conversion.c115
-rw-r--r--src/core/ext/transport/chttp2/transport/status_conversion.h50
-rw-r--r--src/core/ext/transport/chttp2/transport/writing.c22
-rw-r--r--src/core/ext/transport/cronet/transport/cronet_transport.c63
25 files changed, 700 insertions, 577 deletions
diff --git a/src/core/ext/transport/chttp2/server/chttp2_server.c b/src/core/ext/transport/chttp2/server/chttp2_server.c
index 56a1a0de9b..574d1a7710 100644
--- a/src/core/ext/transport/chttp2/server/chttp2_server.c
+++ b/src/core/ext/transport/chttp2/server/chttp2_server.c
@@ -121,7 +121,7 @@ static void on_handshake_done(grpc_exec_ctx *exec_ctx, void *arg,
if (error != GRPC_ERROR_NONE || connection_state->server_state->shutdown) {
const char *error_str = grpc_error_string(error);
gpr_log(GPR_ERROR, "Handshaking failed: %s", error_str);
-
+ grpc_error_free_string(error_str);
if (error == GRPC_ERROR_NONE && args->endpoint != NULL) {
// We were shut down after handshaking completed successfully, so
// destroy the endpoint here.
@@ -307,7 +307,7 @@ grpc_error *grpc_chttp2_server_add_port(grpc_exec_ctx *exec_ctx,
const char *warning_message = grpc_error_string(err);
gpr_log(GPR_INFO, "WARNING: %s", warning_message);
-
+ grpc_error_free_string(warning_message);
/* we managed to bind some addresses: continue */
}
grpc_resolved_addresses_destroy(resolved);
diff --git a/src/core/ext/transport/chttp2/server/insecure/server_chttp2.c b/src/core/ext/transport/chttp2/server/insecure/server_chttp2.c
index c219a7d85f..bf5026bea6 100644
--- a/src/core/ext/transport/chttp2/server/insecure/server_chttp2.c
+++ b/src/core/ext/transport/chttp2/server/insecure/server_chttp2.c
@@ -51,7 +51,7 @@ int grpc_server_add_insecure_http2_port(grpc_server *server, const char *addr) {
if (err != GRPC_ERROR_NONE) {
const char *msg = grpc_error_string(err);
gpr_log(GPR_ERROR, "%s", msg);
-
+ grpc_error_free_string(msg);
GRPC_ERROR_UNREF(err);
}
grpc_exec_ctx_finish(&exec_ctx);
diff --git a/src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c b/src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c
index cb2b3f5502..395c79a71d 100644
--- a/src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c
+++ b/src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c
@@ -94,7 +94,7 @@ done:
if (err != GRPC_ERROR_NONE) {
const char *msg = grpc_error_string(err);
gpr_log(GPR_ERROR, "%s", msg);
-
+ grpc_error_free_string(msg);
GRPC_ERROR_UNREF(err);
}
return port_num;
diff --git a/src/core/ext/transport/chttp2/transport/bin_decoder.c b/src/core/ext/transport/chttp2/transport/bin_decoder.c
index 8c87de112e..8db36e4a7f 100644
--- a/src/core/ext/transport/chttp2/transport/bin_decoder.c
+++ b/src/core/ext/transport/chttp2/transport/bin_decoder.c
@@ -157,7 +157,7 @@ grpc_slice grpc_chttp2_base64_decode(grpc_exec_ctx *exec_ctx,
"grpc_chttp2_base64_decode has a length of %d, which is not a "
"multiple of 4.\n",
(int)input_length);
- return grpc_empty_slice();
+ return gpr_empty_slice();
}
if (input_length > 0) {
@@ -178,11 +178,11 @@ grpc_slice grpc_chttp2_base64_decode(grpc_exec_ctx *exec_ctx,
ctx.contains_tail = false;
if (!grpc_base64_decode_partial(&ctx)) {
- char *s = grpc_slice_to_c_string(input);
+ char *s = grpc_dump_slice(input, GPR_DUMP_ASCII);
gpr_log(GPR_ERROR, "Base64 decoding failed, input string:\n%s\n", s);
gpr_free(s);
grpc_slice_unref_internal(exec_ctx, output);
- return grpc_empty_slice();
+ return gpr_empty_slice();
}
GPR_ASSERT(ctx.output_cur == GRPC_SLICE_END_PTR(output));
GPR_ASSERT(ctx.input_cur == GRPC_SLICE_END_PTR(input));
@@ -204,7 +204,7 @@ grpc_slice grpc_chttp2_base64_decode_with_length(grpc_exec_ctx *exec_ctx,
"has a tail of 1 byte.\n",
(int)input_length);
grpc_slice_unref_internal(exec_ctx, output);
- return grpc_empty_slice();
+ return gpr_empty_slice();
}
if (output_length > input_length / 4 * 3 + tail_xtra[input_length % 4]) {
@@ -214,7 +214,7 @@ grpc_slice grpc_chttp2_base64_decode_with_length(grpc_exec_ctx *exec_ctx,
(int)output_length,
(int)(input_length / 4 * 3 + tail_xtra[input_length % 4]));
grpc_slice_unref_internal(exec_ctx, output);
- return grpc_empty_slice();
+ return gpr_empty_slice();
}
ctx.input_cur = GRPC_SLICE_START_PTR(input);
@@ -224,11 +224,11 @@ grpc_slice grpc_chttp2_base64_decode_with_length(grpc_exec_ctx *exec_ctx,
ctx.contains_tail = true;
if (!grpc_base64_decode_partial(&ctx)) {
- char *s = grpc_slice_to_c_string(input);
+ char *s = grpc_dump_slice(input, GPR_DUMP_ASCII);
gpr_log(GPR_ERROR, "Base64 decoding failed, input string:\n%s\n", s);
gpr_free(s);
grpc_slice_unref_internal(exec_ctx, output);
- return grpc_empty_slice();
+ return gpr_empty_slice();
}
GPR_ASSERT(ctx.output_cur == GRPC_SLICE_END_PTR(output));
GPR_ASSERT(ctx.input_cur <= GRPC_SLICE_END_PTR(input));
diff --git a/src/core/ext/transport/chttp2/transport/bin_encoder.c b/src/core/ext/transport/chttp2/transport/bin_encoder.c
index e301c073f3..af25a4352a 100644
--- a/src/core/ext/transport/chttp2/transport/bin_encoder.c
+++ b/src/core/ext/transport/chttp2/transport/bin_encoder.c
@@ -177,7 +177,8 @@ static void enc_add1(huff_out *out, uint8_t a) {
enc_flush_some(out);
}
-grpc_slice grpc_chttp2_base64_encode_and_huffman_compress(grpc_slice input) {
+grpc_slice grpc_chttp2_base64_encode_and_huffman_compress_impl(
+ grpc_slice input) {
size_t input_length = GRPC_SLICE_LENGTH(input);
size_t input_triplets = input_length / 3;
size_t tail_case = input_length % 3;
diff --git a/src/core/ext/transport/chttp2/transport/bin_encoder.h b/src/core/ext/transport/chttp2/transport/bin_encoder.h
index 0f899c8e34..477559d0e2 100644
--- a/src/core/ext/transport/chttp2/transport/bin_encoder.h
+++ b/src/core/ext/transport/chttp2/transport/bin_encoder.h
@@ -49,6 +49,7 @@ grpc_slice grpc_chttp2_huffman_compress(grpc_slice input);
grpc_slice y = grpc_chttp2_huffman_compress(x);
grpc_slice_unref_internal(exec_ctx, x);
return y; */
-grpc_slice grpc_chttp2_base64_encode_and_huffman_compress(grpc_slice input);
+grpc_slice grpc_chttp2_base64_encode_and_huffman_compress_impl(
+ grpc_slice input);
#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_BIN_ENCODER_H */
diff --git a/src/core/ext/transport/chttp2/transport/chttp2_plugin.c b/src/core/ext/transport/chttp2/transport/chttp2_plugin.c
index 59b21e3330..bd87253ed3 100644
--- a/src/core/ext/transport/chttp2/transport/chttp2_plugin.c
+++ b/src/core/ext/transport/chttp2/transport/chttp2_plugin.c
@@ -31,11 +31,14 @@
*
*/
+#include "src/core/ext/transport/chttp2/transport/bin_encoder.h"
#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
#include "src/core/lib/debug/trace.h"
#include "src/core/lib/transport/metadata.h"
void grpc_chttp2_plugin_init(void) {
+ grpc_chttp2_base64_encode_and_huffman_compress =
+ grpc_chttp2_base64_encode_and_huffman_compress_impl;
grpc_register_tracer("http", &grpc_http_trace);
grpc_register_tracer("flowctl", &grpc_flowctl_trace);
}
diff --git a/src/core/ext/transport/chttp2/transport/chttp2_transport.c b/src/core/ext/transport/chttp2/transport/chttp2_transport.c
index 2004bc6437..68a6a2155d 100644
--- a/src/core/ext/transport/chttp2/transport/chttp2_transport.c
+++ b/src/core/ext/transport/chttp2/transport/chttp2_transport.c
@@ -44,7 +44,9 @@
#include <grpc/support/string_util.h>
#include <grpc/support/useful.h>
+#include "src/core/ext/transport/chttp2/transport/http2_errors.h"
#include "src/core/ext/transport/chttp2/transport/internal.h"
+#include "src/core/ext/transport/chttp2/transport/status_conversion.h"
#include "src/core/ext/transport/chttp2/transport/varint.h"
#include "src/core/lib/channel/channel_args.h"
#include "src/core/lib/http/parser.h"
@@ -53,10 +55,7 @@
#include "src/core/lib/slice/slice_internal.h"
#include "src/core/lib/slice/slice_string_helpers.h"
#include "src/core/lib/support/string.h"
-#include "src/core/lib/transport/error_utils.h"
-#include "src/core/lib/transport/http2_errors.h"
#include "src/core/lib/transport/static_metadata.h"
-#include "src/core/lib/transport/status_conversion.h"
#include "src/core/lib/transport/timeout_encoding.h"
#include "src/core/lib/transport/transport_impl.h"
@@ -410,7 +409,7 @@ static void close_transport_locked(grpc_exec_ctx *exec_ctx,
grpc_error_add_child(t->close_transport_on_writes_finished, error);
return;
}
- if (!grpc_error_has_clear_grpc_status(error)) {
+ if (!grpc_error_get_int(error, GRPC_ERROR_INT_GRPC_STATUS, NULL)) {
error = grpc_error_set_int(error, GRPC_ERROR_INT_GRPC_STATUS,
GRPC_STATUS_UNAVAILABLE);
}
@@ -867,6 +866,7 @@ void grpc_chttp2_complete_closure_step(grpc_exec_ctx *exec_ctx,
(int)(closure->next_data.scratch / CLOSURE_BARRIER_FIRST_REF_BIT),
(int)(closure->next_data.scratch % CLOSURE_BARRIER_FIRST_REF_BIT),
desc, errstr);
+ grpc_error_free_string(errstr);
}
if (error != GRPC_ERROR_NONE) {
if (closure->error_data.error == GRPC_ERROR_NONE) {
@@ -895,9 +895,12 @@ void grpc_chttp2_complete_closure_step(grpc_exec_ctx *exec_ctx,
}
static bool contains_non_ok_status(grpc_metadata_batch *batch) {
- if (batch->idx.named.grpc_status != NULL) {
- return !grpc_mdelem_eq(batch->idx.named.grpc_status->md,
- GRPC_MDELEM_GRPC_STATUS_0);
+ grpc_linked_mdelem *l;
+ for (l = batch->list.head; l; l = l->next) {
+ if (l->md->key == GRPC_MDSTR_GRPC_STATUS &&
+ l->md != GRPC_MDELEM_GRPC_STATUS_0) {
+ return true;
+ }
}
return false;
}
@@ -977,12 +980,9 @@ static void log_metadata(const grpc_metadata_batch *md_batch, uint32_t id,
bool is_client, bool is_initial) {
for (grpc_linked_mdelem *md = md_batch->list.head; md != md_batch->list.tail;
md = md->next) {
- char *key = grpc_slice_to_c_string(GRPC_MDKEY(md->md));
- char *value = grpc_slice_to_c_string(GRPC_MDVALUE(md->md));
gpr_log(GPR_INFO, "HTTP:%d:%s:%s: %s: %s", id, is_initial ? "HDR" : "TRL",
- is_client ? "CLI" : "SVR", key, value);
- gpr_free(key);
- gpr_free(value);
+ is_client ? "CLI" : "SVR", grpc_mdstr_as_c_string(md->md->key),
+ grpc_mdstr_as_c_string(md->md->value));
}
}
@@ -1025,7 +1025,11 @@ static void perform_stream_op_locked(grpc_exec_ctx *exec_ctx, void *stream_op,
}
if (op->cancel_error != GRPC_ERROR_NONE) {
- grpc_chttp2_cancel_stream(exec_ctx, t, s, op->cancel_error);
+ grpc_chttp2_cancel_stream(exec_ctx, t, s, GRPC_ERROR_REF(op->cancel_error));
+ }
+
+ if (op->close_error != GRPC_ERROR_NONE) {
+ close_from_api(exec_ctx, t, s, GRPC_ERROR_REF(op->close_error));
}
if (op->send_initial_metadata != NULL) {
@@ -1076,9 +1080,8 @@ static void perform_stream_op_locked(grpc_exec_ctx *exec_ctx, void *stream_op,
s->send_initial_metadata = NULL;
grpc_chttp2_complete_closure_step(
exec_ctx, t, s, &s->send_initial_metadata_finished,
- GRPC_ERROR_CREATE_REFERENCING(
- "Attempt to send initial metadata after stream was closed",
- &s->write_closed_error, 1),
+ GRPC_ERROR_CREATE(
+ "Attempt to send initial metadata after stream was closed"),
"send_initial_metadata_finished");
}
}
@@ -1090,9 +1093,7 @@ static void perform_stream_op_locked(grpc_exec_ctx *exec_ctx, void *stream_op,
if (s->write_closed) {
grpc_chttp2_complete_closure_step(
exec_ctx, t, s, &s->fetching_send_message_finished,
- GRPC_ERROR_CREATE_REFERENCING(
- "Attempt to send message after stream was closed",
- &s->write_closed_error, 1),
+ GRPC_ERROR_CREATE("Attempt to send message after stream was closed"),
"fetching_send_message_finished");
} else {
GPR_ASSERT(s->fetching_send_message == NULL);
@@ -1264,16 +1265,11 @@ void grpc_chttp2_ack_ping(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t,
}
static void send_goaway(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t,
- grpc_error *error) {
+ grpc_chttp2_error_code error, grpc_slice data) {
t->sent_goaway_state = GRPC_CHTTP2_GOAWAY_SEND_SCHEDULED;
- grpc_http2_error_code http_error;
- const char *msg;
- grpc_error_get_status(error, gpr_inf_future(GPR_CLOCK_MONOTONIC), NULL, &msg,
- &http_error);
- grpc_chttp2_goaway_append(t->last_new_stream_id, (uint32_t)http_error,
- grpc_slice_from_copied_string(msg), &t->qbuf);
+ grpc_chttp2_goaway_append(t->last_new_stream_id, (uint32_t)error, data,
+ &t->qbuf);
grpc_chttp2_initiate_write(exec_ctx, t, false, "goaway_sent");
- GRPC_ERROR_UNREF(error);
}
static void perform_transport_op_locked(grpc_exec_ctx *exec_ctx,
@@ -1289,8 +1285,10 @@ static void perform_transport_op_locked(grpc_exec_ctx *exec_ctx,
op->on_connectivity_state_change);
}
- if (op->goaway_error) {
- send_goaway(exec_ctx, t, op->goaway_error);
+ if (op->send_goaway) {
+ send_goaway(exec_ctx, t,
+ grpc_chttp2_grpc_status_to_http2_error(op->goaway_status),
+ grpc_slice_ref_internal(*op->goaway_message));
}
if (op->set_accept_stream) {
@@ -1350,8 +1348,8 @@ void grpc_chttp2_maybe_complete_recv_initial_metadata(grpc_exec_ctx *exec_ctx,
incoming_byte_stream_destroy_locked(exec_ctx, bs, GRPC_ERROR_NONE);
}
}
- grpc_chttp2_incoming_metadata_buffer_publish(
- exec_ctx, &s->metadata_buffer[0], s->recv_initial_metadata);
+ grpc_chttp2_incoming_metadata_buffer_publish(&s->metadata_buffer[0],
+ s->recv_initial_metadata);
null_then_run_closure(exec_ctx, &s->recv_initial_metadata_ready,
GRPC_ERROR_NONE);
}
@@ -1394,8 +1392,8 @@ void grpc_chttp2_maybe_complete_recv_trailing_metadata(grpc_exec_ctx *exec_ctx,
}
if (s->all_incoming_byte_streams_finished &&
s->recv_trailing_metadata_finished != NULL) {
- grpc_chttp2_incoming_metadata_buffer_publish(
- exec_ctx, &s->metadata_buffer[1], s->recv_trailing_metadata);
+ grpc_chttp2_incoming_metadata_buffer_publish(&s->metadata_buffer[1],
+ s->recv_trailing_metadata);
grpc_chttp2_complete_closure_step(
exec_ctx, t, s, &s->recv_trailing_metadata_finished, GRPC_ERROR_NONE,
"recv_trailing_metadata_finished");
@@ -1443,37 +1441,70 @@ static void remove_stream(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t,
maybe_start_some_streams(exec_ctx, t);
}
+static void status_codes_from_error(grpc_error *error, gpr_timespec deadline,
+ grpc_chttp2_error_code *http2_error,
+ grpc_status_code *grpc_status) {
+ intptr_t ip_http;
+ intptr_t ip_grpc;
+ bool have_http =
+ grpc_error_get_int(error, GRPC_ERROR_INT_HTTP2_ERROR, &ip_http);
+ bool have_grpc =
+ grpc_error_get_int(error, GRPC_ERROR_INT_GRPC_STATUS, &ip_grpc);
+ if (have_http) {
+ *http2_error = (grpc_chttp2_error_code)ip_http;
+ } else if (have_grpc) {
+ *http2_error =
+ grpc_chttp2_grpc_status_to_http2_error((grpc_status_code)ip_grpc);
+ } else {
+ *http2_error = GRPC_CHTTP2_INTERNAL_ERROR;
+ }
+ if (have_grpc) {
+ *grpc_status = (grpc_status_code)ip_grpc;
+ } else if (have_http) {
+ *grpc_status = grpc_chttp2_http2_error_to_grpc_status(
+ (grpc_chttp2_error_code)ip_http, deadline);
+ } else {
+ *grpc_status = GRPC_STATUS_INTERNAL;
+ }
+}
+
void grpc_chttp2_cancel_stream(grpc_exec_ctx *exec_ctx,
grpc_chttp2_transport *t, grpc_chttp2_stream *s,
grpc_error *due_to_error) {
- if (!t->is_client && !s->sent_trailing_metadata &&
- grpc_error_has_clear_grpc_status(due_to_error)) {
- close_from_api(exec_ctx, t, s, due_to_error);
- return;
- }
-
if (!s->read_closed || !s->write_closed) {
+ grpc_status_code grpc_status;
+ grpc_chttp2_error_code http_error;
+ status_codes_from_error(due_to_error, s->deadline, &http_error,
+ &grpc_status);
+
if (s->id != 0) {
- grpc_http2_error_code http_error;
- grpc_error_get_status(due_to_error, s->deadline, NULL, NULL, &http_error);
grpc_slice_buffer_add(
&t->qbuf, grpc_chttp2_rst_stream_create(s->id, (uint32_t)http_error,
&s->stats.outgoing));
grpc_chttp2_initiate_write(exec_ctx, t, false, "rst_stream");
}
+
+ const char *msg =
+ grpc_error_get_str(due_to_error, GRPC_ERROR_STR_GRPC_MESSAGE);
+ bool free_msg = false;
+ if (msg == NULL) {
+ free_msg = true;
+ msg = grpc_error_string(due_to_error);
+ }
+ grpc_slice msg_slice = grpc_slice_from_copied_string(msg);
+ grpc_chttp2_fake_status(exec_ctx, t, s, grpc_status, &msg_slice);
+ if (free_msg) grpc_error_free_string(msg);
}
if (due_to_error != GRPC_ERROR_NONE && !s->seen_error) {
s->seen_error = true;
+ grpc_chttp2_maybe_complete_recv_trailing_metadata(exec_ctx, t, s);
}
grpc_chttp2_mark_stream_closed(exec_ctx, t, s, 1, 1, due_to_error);
}
void grpc_chttp2_fake_status(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t,
- grpc_chttp2_stream *s, grpc_error *error) {
- grpc_status_code status;
- const char *msg;
- grpc_error_get_status(error, s->deadline, &status, &msg, NULL);
-
+ grpc_chttp2_stream *s, grpc_status_code status,
+ grpc_slice *slice) {
if (status != GRPC_STATUS_OK) {
s->seen_error = true;
}
@@ -1487,21 +1518,24 @@ void grpc_chttp2_fake_status(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t,
s->recv_trailing_metadata_finished != NULL) {
char status_string[GPR_LTOA_MIN_BUFSIZE];
gpr_ltoa(status, status_string);
- grpc_chttp2_incoming_metadata_buffer_replace_or_add(
- exec_ctx, &s->metadata_buffer[1],
- grpc_mdelem_from_slices(exec_ctx, GRPC_MDSTR_GRPC_STATUS,
- grpc_slice_from_copied_string(status_string)));
- if (msg != NULL) {
- grpc_chttp2_incoming_metadata_buffer_replace_or_add(
- exec_ctx, &s->metadata_buffer[1],
- grpc_mdelem_from_slices(exec_ctx, GRPC_MDSTR_GRPC_MESSAGE,
- grpc_slice_from_copied_string(msg)));
+ grpc_chttp2_incoming_metadata_buffer_add(
+ &s->metadata_buffer[1], grpc_mdelem_from_metadata_strings(
+ exec_ctx, GRPC_MDSTR_GRPC_STATUS,
+ grpc_mdstr_from_string(status_string)));
+ if (slice) {
+ grpc_chttp2_incoming_metadata_buffer_add(
+ &s->metadata_buffer[1],
+ grpc_mdelem_from_metadata_strings(
+ exec_ctx, GRPC_MDSTR_GRPC_MESSAGE,
+ grpc_mdstr_from_slice(exec_ctx,
+ grpc_slice_ref_internal(*slice))));
}
s->published_metadata[1] = GRPC_METADATA_SYNTHESIZED_FROM_FAKE;
grpc_chttp2_maybe_complete_recv_trailing_metadata(exec_ctx, t, s);
}
-
- GRPC_ERROR_UNREF(error);
+ if (slice) {
+ grpc_slice_unref_internal(exec_ctx, *slice);
+ }
}
static void add_error(grpc_error *error, grpc_error **refs, size_t *nrefs) {
@@ -1567,48 +1601,36 @@ void grpc_chttp2_mark_stream_closed(grpc_exec_ctx *exec_ctx,
int close_writes, grpc_error *error) {
if (s->read_closed && s->write_closed) {
/* already closed */
- grpc_chttp2_maybe_complete_recv_trailing_metadata(exec_ctx, t, s);
GRPC_ERROR_UNREF(error);
return;
}
- bool closed_read = false;
- bool became_closed = false;
if (close_reads && !s->read_closed) {
s->read_closed_error = GRPC_ERROR_REF(error);
s->read_closed = true;
- closed_read = true;
+ for (int i = 0; i < 2; i++) {
+ if (s->published_metadata[i] == GRPC_METADATA_NOT_PUBLISHED) {
+ s->published_metadata[i] = GPRC_METADATA_PUBLISHED_AT_CLOSE;
+ }
+ }
+ decrement_active_streams_locked(exec_ctx, t, s);
+ grpc_chttp2_maybe_complete_recv_initial_metadata(exec_ctx, t, s);
+ grpc_chttp2_maybe_complete_recv_message(exec_ctx, t, s);
+ grpc_chttp2_maybe_complete_recv_trailing_metadata(exec_ctx, t, s);
}
if (close_writes && !s->write_closed) {
s->write_closed_error = GRPC_ERROR_REF(error);
s->write_closed = true;
grpc_chttp2_fail_pending_writes(exec_ctx, t, s, GRPC_ERROR_REF(error));
+ grpc_chttp2_maybe_complete_recv_trailing_metadata(exec_ctx, t, s);
}
if (s->read_closed && s->write_closed) {
- became_closed = true;
- grpc_error *overall_error =
- removal_error(GRPC_ERROR_REF(error), s, "Stream removed");
if (s->id != 0) {
- remove_stream(exec_ctx, t, s->id, GRPC_ERROR_REF(overall_error));
+ remove_stream(exec_ctx, t, s->id,
+ removal_error(GRPC_ERROR_REF(error), s, "Stream removed"));
} else {
/* Purge streams waiting on concurrency still waiting for id assignment */
grpc_chttp2_list_remove_waiting_for_concurrency(t, s);
}
- if (overall_error != GRPC_ERROR_NONE) {
- grpc_chttp2_fake_status(exec_ctx, t, s, overall_error);
- }
- }
- if (closed_read) {
- for (int i = 0; i < 2; i++) {
- if (s->published_metadata[i] == GRPC_METADATA_NOT_PUBLISHED) {
- s->published_metadata[i] = GPRC_METADATA_PUBLISHED_AT_CLOSE;
- }
- }
- decrement_active_streams_locked(exec_ctx, t, s);
- grpc_chttp2_maybe_complete_recv_initial_metadata(exec_ctx, t, s);
- grpc_chttp2_maybe_complete_recv_message(exec_ctx, t, s);
- }
- if (became_closed) {
- grpc_chttp2_maybe_complete_recv_trailing_metadata(exec_ctx, t, s);
GRPC_CHTTP2_STREAM_UNREF(exec_ctx, s, "chttp2");
}
GRPC_ERROR_UNREF(error);
@@ -1622,92 +1644,112 @@ static void close_from_api(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t,
uint8_t *p;
uint32_t len = 0;
grpc_status_code grpc_status;
- const char *msg;
- grpc_error_get_status(error, s->deadline, &grpc_status, &msg, NULL);
+ grpc_chttp2_error_code http_error;
+ status_codes_from_error(error, s->deadline, &http_error, &grpc_status);
GPR_ASSERT(grpc_status >= 0 && (int)grpc_status < 100);
- /* Hand roll a header block.
- This is unnecessarily ugly - at some point we should find a more
- elegant solution.
- It's complicated by the fact that our send machinery would be dead by
- the time we got around to sending this, so instead we ignore HPACK
- compression and just write the uncompressed bytes onto the wire. */
- status_hdr = grpc_slice_malloc(15 + (grpc_status >= 10));
- p = GRPC_SLICE_START_PTR(status_hdr);
- *p++ = 0x00; /* literal header, not indexed */
- *p++ = 11; /* len(grpc-status) */
- *p++ = 'g';
- *p++ = 'r';
- *p++ = 'p';
- *p++ = 'c';
- *p++ = '-';
- *p++ = 's';
- *p++ = 't';
- *p++ = 'a';
- *p++ = 't';
- *p++ = 'u';
- *p++ = 's';
- if (grpc_status < 10) {
- *p++ = 1;
- *p++ = (uint8_t)('0' + grpc_status);
- } else {
- *p++ = 2;
- *p++ = (uint8_t)('0' + (grpc_status / 10));
- *p++ = (uint8_t)('0' + (grpc_status % 10));
- }
- GPR_ASSERT(p == GRPC_SLICE_END_PTR(status_hdr));
- len += (uint32_t)GRPC_SLICE_LENGTH(status_hdr);
-
- if (msg != NULL) {
- size_t msg_len = strlen(msg);
- GPR_ASSERT(msg_len <= UINT32_MAX);
- uint32_t msg_len_len = GRPC_CHTTP2_VARINT_LENGTH((uint32_t)msg_len, 0);
- message_pfx = grpc_slice_malloc(14 + msg_len_len);
- p = GRPC_SLICE_START_PTR(message_pfx);
- *p++ = 0x00; /* literal header, not indexed */
- *p++ = 12; /* len(grpc-message) */
+ if (s->id != 0 && !t->is_client) {
+ /* Hand roll a header block.
+ This is unnecessarily ugly - at some point we should find a more
+ elegant
+ solution.
+ It's complicated by the fact that our send machinery would be dead by
+ the
+ time we got around to sending this, so instead we ignore HPACK
+ compression
+ and just write the uncompressed bytes onto the wire. */
+ status_hdr = grpc_slice_malloc(15 + (grpc_status >= 10));
+ p = GRPC_SLICE_START_PTR(status_hdr);
+ *p++ = 0x40; /* literal header */
+ *p++ = 11; /* len(grpc-status) */
*p++ = 'g';
*p++ = 'r';
*p++ = 'p';
*p++ = 'c';
*p++ = '-';
- *p++ = 'm';
- *p++ = 'e';
- *p++ = 's';
*p++ = 's';
+ *p++ = 't';
*p++ = 'a';
- *p++ = 'g';
- *p++ = 'e';
- GRPC_CHTTP2_WRITE_VARINT((uint32_t)msg_len, 0, 0, p, (uint32_t)msg_len_len);
- p += msg_len_len;
- GPR_ASSERT(p == GRPC_SLICE_END_PTR(message_pfx));
- len += (uint32_t)GRPC_SLICE_LENGTH(message_pfx);
- len += (uint32_t)msg_len;
- }
-
- hdr = grpc_slice_malloc(9);
- p = GRPC_SLICE_START_PTR(hdr);
- *p++ = (uint8_t)(len >> 16);
- *p++ = (uint8_t)(len >> 8);
- *p++ = (uint8_t)(len);
- *p++ = GRPC_CHTTP2_FRAME_HEADER;
- *p++ = GRPC_CHTTP2_DATA_FLAG_END_STREAM | GRPC_CHTTP2_DATA_FLAG_END_HEADERS;
- *p++ = (uint8_t)(s->id >> 24);
- *p++ = (uint8_t)(s->id >> 16);
- *p++ = (uint8_t)(s->id >> 8);
- *p++ = (uint8_t)(s->id);
- GPR_ASSERT(p == GRPC_SLICE_END_PTR(hdr));
-
- grpc_slice_buffer_add(&t->qbuf, hdr);
- grpc_slice_buffer_add(&t->qbuf, status_hdr);
- if (msg != NULL) {
- grpc_slice_buffer_add(&t->qbuf, message_pfx);
- grpc_slice_buffer_add(&t->qbuf, grpc_slice_from_copied_string(msg));
- }
- grpc_slice_buffer_add(
- &t->qbuf, grpc_chttp2_rst_stream_create(s->id, GRPC_HTTP2_NO_ERROR,
- &s->stats.outgoing));
+ *p++ = 't';
+ *p++ = 'u';
+ *p++ = 's';
+ if (grpc_status < 10) {
+ *p++ = 1;
+ *p++ = (uint8_t)('0' + grpc_status);
+ } else {
+ *p++ = 2;
+ *p++ = (uint8_t)('0' + (grpc_status / 10));
+ *p++ = (uint8_t)('0' + (grpc_status % 10));
+ }
+ GPR_ASSERT(p == GRPC_SLICE_END_PTR(status_hdr));
+ len += (uint32_t)GRPC_SLICE_LENGTH(status_hdr);
+
+ const char *optional_message =
+ grpc_error_get_str(error, GRPC_ERROR_STR_GRPC_MESSAGE);
+
+ if (optional_message != NULL) {
+ size_t msg_len = strlen(optional_message);
+ GPR_ASSERT(msg_len <= UINT32_MAX);
+ uint32_t msg_len_len = GRPC_CHTTP2_VARINT_LENGTH((uint32_t)msg_len, 0);
+ message_pfx = grpc_slice_malloc(14 + msg_len_len);
+ p = GRPC_SLICE_START_PTR(message_pfx);
+ *p++ = 0x40;
+ *p++ = 12; /* len(grpc-message) */
+ *p++ = 'g';
+ *p++ = 'r';
+ *p++ = 'p';
+ *p++ = 'c';
+ *p++ = '-';
+ *p++ = 'm';
+ *p++ = 'e';
+ *p++ = 's';
+ *p++ = 's';
+ *p++ = 'a';
+ *p++ = 'g';
+ *p++ = 'e';
+ GRPC_CHTTP2_WRITE_VARINT((uint32_t)msg_len, 0, 0, p,
+ (uint32_t)msg_len_len);
+ p += msg_len_len;
+ GPR_ASSERT(p == GRPC_SLICE_END_PTR(message_pfx));
+ len += (uint32_t)GRPC_SLICE_LENGTH(message_pfx);
+ len += (uint32_t)msg_len;
+ }
+
+ hdr = grpc_slice_malloc(9);
+ p = GRPC_SLICE_START_PTR(hdr);
+ *p++ = (uint8_t)(len >> 16);
+ *p++ = (uint8_t)(len >> 8);
+ *p++ = (uint8_t)(len);
+ *p++ = GRPC_CHTTP2_FRAME_HEADER;
+ *p++ = GRPC_CHTTP2_DATA_FLAG_END_STREAM | GRPC_CHTTP2_DATA_FLAG_END_HEADERS;
+ *p++ = (uint8_t)(s->id >> 24);
+ *p++ = (uint8_t)(s->id >> 16);
+ *p++ = (uint8_t)(s->id >> 8);
+ *p++ = (uint8_t)(s->id);
+ GPR_ASSERT(p == GRPC_SLICE_END_PTR(hdr));
+
+ grpc_slice_buffer_add(&t->qbuf, hdr);
+ grpc_slice_buffer_add(&t->qbuf, status_hdr);
+ if (optional_message) {
+ grpc_slice_buffer_add(&t->qbuf, message_pfx);
+ grpc_slice_buffer_add(&t->qbuf,
+ grpc_slice_from_copied_string(optional_message));
+ }
+ grpc_slice_buffer_add(
+ &t->qbuf, grpc_chttp2_rst_stream_create(s->id, GRPC_CHTTP2_NO_ERROR,
+ &s->stats.outgoing));
+ }
+
+ const char *msg = grpc_error_get_str(error, GRPC_ERROR_STR_GRPC_MESSAGE);
+ bool free_msg = false;
+ if (msg == NULL) {
+ free_msg = true;
+ msg = grpc_error_string(error);
+ }
+ grpc_slice msg_slice = grpc_slice_from_copied_string(msg);
+ grpc_chttp2_fake_status(exec_ctx, t, s, grpc_status, &msg_slice);
+ if (free_msg) grpc_error_free_string(msg);
grpc_chttp2_mark_stream_closed(exec_ctx, t, s, 1, 1, error);
grpc_chttp2_initiate_write(exec_ctx, t, false, "close_from_api");
@@ -1785,10 +1827,8 @@ static grpc_error *try_http_parsing(grpc_exec_ctx *exec_ctx,
if (parse_error == GRPC_ERROR_NONE &&
(parse_error = grpc_http_parser_eof(&parser)) == GRPC_ERROR_NONE) {
error = grpc_error_set_int(
- grpc_error_set_int(
- GRPC_ERROR_CREATE("Trying to connect an http1.x server"),
- GRPC_ERROR_INT_HTTP_STATUS, response.status),
- GRPC_ERROR_INT_GRPC_STATUS, GRPC_STATUS_UNAVAILABLE);
+ GRPC_ERROR_CREATE("Trying to connect an http1.x server"),
+ GRPC_ERROR_INT_HTTP_STATUS, response.status);
}
GRPC_ERROR_UNREF(parse_error);
@@ -2049,8 +2089,6 @@ static void incoming_byte_stream_publish_error(
grpc_closure_sched(exec_ctx, bs->on_next, GRPC_ERROR_REF(error));
bs->on_next = NULL;
GRPC_ERROR_UNREF(bs->error);
- grpc_chttp2_cancel_stream(exec_ctx, bs->transport, bs->stream,
- GRPC_ERROR_REF(error));
bs->error = error;
}
@@ -2159,10 +2197,8 @@ static void benign_reclaimer_locked(grpc_exec_ctx *exec_ctx, void *arg,
gpr_log(GPR_DEBUG, "HTTP2: %s - send goaway to free memory",
t->peer_string);
}
- send_goaway(exec_ctx, t,
- grpc_error_set_int(GRPC_ERROR_CREATE("Buffers full"),
- GRPC_ERROR_INT_HTTP2_ERROR,
- GRPC_HTTP2_ENHANCE_YOUR_CALM));
+ send_goaway(exec_ctx, t, GRPC_CHTTP2_ENHANCE_YOUR_CALM,
+ grpc_slice_from_static_string("Buffers full"));
} else if (error == GRPC_ERROR_NONE && grpc_resource_quota_trace) {
gpr_log(GPR_DEBUG,
"HTTP2: %s - skip benign reclamation, there are still %" PRIdPTR
@@ -2191,7 +2227,7 @@ static void destructive_reclaimer_locked(grpc_exec_ctx *exec_ctx, void *arg,
grpc_chttp2_cancel_stream(
exec_ctx, t, s, grpc_error_set_int(GRPC_ERROR_CREATE("Buffers full"),
GRPC_ERROR_INT_HTTP2_ERROR,
- GRPC_HTTP2_ENHANCE_YOUR_CALM));
+ GRPC_CHTTP2_ENHANCE_YOUR_CALM));
if (n > 1) {
/* Since we cancel one stream per destructive reclamation, if
there are more streams left, we can immediately post a new
diff --git a/src/core/ext/transport/chttp2/transport/frame_rst_stream.c b/src/core/ext/transport/chttp2/transport/frame_rst_stream.c
index 7d5beed09d..20043f5fbf 100644
--- a/src/core/ext/transport/chttp2/transport/frame_rst_stream.c
+++ b/src/core/ext/transport/chttp2/transport/frame_rst_stream.c
@@ -39,7 +39,8 @@
#include <grpc/support/string_util.h>
#include "src/core/ext/transport/chttp2/transport/frame.h"
-#include "src/core/lib/transport/http2_errors.h"
+#include "src/core/ext/transport/chttp2/transport/http2_errors.h"
+#include "src/core/ext/transport/chttp2/transport/status_conversion.h"
grpc_slice grpc_chttp2_rst_stream_create(uint32_t id, uint32_t code,
grpc_transport_one_way_stats *stats) {
@@ -108,9 +109,17 @@ grpc_error *grpc_chttp2_rst_stream_parser_parse(grpc_exec_ctx *exec_ctx,
(((uint32_t)p->reason_bytes[2]) << 8) |
(((uint32_t)p->reason_bytes[3]));
grpc_error *error = GRPC_ERROR_NONE;
- if (reason != GRPC_HTTP2_NO_ERROR || s->header_frames_received < 2) {
+ if (reason != GRPC_CHTTP2_NO_ERROR || s->header_frames_received < 2) {
error = grpc_error_set_int(GRPC_ERROR_CREATE("RST_STREAM"),
GRPC_ERROR_INT_HTTP2_ERROR, (intptr_t)reason);
+ grpc_status_code status_code = grpc_chttp2_http2_error_to_grpc_status(
+ (grpc_chttp2_error_code)reason, s->deadline);
+ char *status_details;
+ gpr_asprintf(&status_details, "Received RST_STREAM with error code %d",
+ reason);
+ grpc_slice slice_details = grpc_slice_from_copied_string(status_details);
+ gpr_free(status_details);
+ grpc_chttp2_fake_status(exec_ctx, t, s, status_code, &slice_details);
}
grpc_chttp2_mark_stream_closed(exec_ctx, t, s, true, true, error);
}
diff --git a/src/core/ext/transport/chttp2/transport/frame_settings.c b/src/core/ext/transport/chttp2/transport/frame_settings.c
index be9b663ac1..98facae87f 100644
--- a/src/core/ext/transport/chttp2/transport/frame_settings.c
+++ b/src/core/ext/transport/chttp2/transport/frame_settings.c
@@ -43,8 +43,8 @@
#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
#include "src/core/ext/transport/chttp2/transport/frame.h"
+#include "src/core/ext/transport/chttp2/transport/http2_errors.h"
#include "src/core/lib/debug/trace.h"
-#include "src/core/lib/transport/http2_errors.h"
#define MAX_MAX_HEADER_LIST_SIZE (1024 * 1024 * 1024)
@@ -52,21 +52,21 @@
const grpc_chttp2_setting_parameters
grpc_chttp2_settings_parameters[GRPC_CHTTP2_NUM_SETTINGS] = {
{NULL, 0, 0, 0, GRPC_CHTTP2_DISCONNECT_ON_INVALID_VALUE,
- GRPC_HTTP2_PROTOCOL_ERROR},
+ GRPC_CHTTP2_PROTOCOL_ERROR},
{"HEADER_TABLE_SIZE", 4096, 0, 0xffffffff,
- GRPC_CHTTP2_CLAMP_INVALID_VALUE, GRPC_HTTP2_PROTOCOL_ERROR},
+ GRPC_CHTTP2_CLAMP_INVALID_VALUE, GRPC_CHTTP2_PROTOCOL_ERROR},
{"ENABLE_PUSH", 1, 0, 1, GRPC_CHTTP2_DISCONNECT_ON_INVALID_VALUE,
- GRPC_HTTP2_PROTOCOL_ERROR},
+ GRPC_CHTTP2_PROTOCOL_ERROR},
{"MAX_CONCURRENT_STREAMS", 0xffffffffu, 0, 0xffffffffu,
- GRPC_CHTTP2_DISCONNECT_ON_INVALID_VALUE, GRPC_HTTP2_PROTOCOL_ERROR},
+ GRPC_CHTTP2_DISCONNECT_ON_INVALID_VALUE, GRPC_CHTTP2_PROTOCOL_ERROR},
{"INITIAL_WINDOW_SIZE", 65535, 0, 0x7fffffffu,
GRPC_CHTTP2_DISCONNECT_ON_INVALID_VALUE,
- GRPC_HTTP2_FLOW_CONTROL_ERROR},
+ GRPC_CHTTP2_FLOW_CONTROL_ERROR},
{"MAX_FRAME_SIZE", 16384, 16384, 16777215,
- GRPC_CHTTP2_DISCONNECT_ON_INVALID_VALUE, GRPC_HTTP2_PROTOCOL_ERROR},
+ GRPC_CHTTP2_DISCONNECT_ON_INVALID_VALUE, GRPC_CHTTP2_PROTOCOL_ERROR},
{"MAX_HEADER_LIST_SIZE", MAX_MAX_HEADER_LIST_SIZE, 0,
MAX_MAX_HEADER_LIST_SIZE, GRPC_CHTTP2_CLAMP_INVALID_VALUE,
- GRPC_HTTP2_PROTOCOL_ERROR},
+ GRPC_CHTTP2_PROTOCOL_ERROR},
};
static uint8_t *fill_header(uint8_t *out, uint32_t length, uint8_t flags) {
diff --git a/src/core/ext/transport/chttp2/transport/hpack_encoder.c b/src/core/ext/transport/chttp2/transport/hpack_encoder.c
index 63df8e135f..49a8326f62 100644
--- a/src/core/ext/transport/chttp2/transport/hpack_encoder.c
+++ b/src/core/ext/transport/chttp2/transport/hpack_encoder.c
@@ -49,7 +49,6 @@
#include "src/core/ext/transport/chttp2/transport/hpack_table.h"
#include "src/core/ext/transport/chttp2/transport/varint.h"
#include "src/core/lib/slice/slice_internal.h"
-#include "src/core/lib/slice/slice_string_helpers.h"
#include "src/core/lib/transport/metadata.h"
#include "src/core/lib/transport/static_metadata.h"
#include "src/core/lib/transport/timeout_encoding.h"
@@ -65,10 +64,6 @@
/* don't consider adding anything bigger than this to the hpack table */
#define MAX_DECODER_SPACE_USAGE 512
-static grpc_slice_refcount terminal_slice_refcount = {NULL, NULL};
-static const grpc_slice terminal_slice = {&terminal_slice_refcount,
- .data.refcounted = {0, 0}};
-
extern int grpc_http_trace;
typedef struct {
@@ -190,12 +185,9 @@ static void evict_entry(grpc_chttp2_hpack_compressor *c) {
/* add an element to the decoder table */
static void add_elem(grpc_exec_ctx *exec_ctx, grpc_chttp2_hpack_compressor *c,
- grpc_mdelem elem) {
- GPR_ASSERT(GRPC_MDELEM_IS_INTERNED(elem));
-
- uint32_t key_hash = grpc_slice_hash(GRPC_MDKEY(elem));
- uint32_t value_hash = grpc_slice_hash(GRPC_MDVALUE(elem));
- uint32_t elem_hash = GRPC_MDSTR_KV_HASH(key_hash, value_hash);
+ grpc_mdelem *elem) {
+ uint32_t key_hash = elem->key->hash;
+ uint32_t elem_hash = GRPC_MDSTR_KV_HASH(key_hash, elem->value->hash);
uint32_t new_index = c->tail_remote_index + c->table_elems + 1;
size_t elem_size = grpc_mdelem_get_size_in_hpack_table(elem);
@@ -220,18 +212,17 @@ static void add_elem(grpc_exec_ctx *exec_ctx, grpc_chttp2_hpack_compressor *c,
c->table_elems++;
/* Store this element into {entries,indices}_elem */
- if (grpc_mdelem_eq(c->entries_elems[HASH_FRAGMENT_2(elem_hash)], elem)) {
+ if (c->entries_elems[HASH_FRAGMENT_2(elem_hash)] == elem) {
/* already there: update with new index */
c->indices_elems[HASH_FRAGMENT_2(elem_hash)] = new_index;
- } else if (grpc_mdelem_eq(c->entries_elems[HASH_FRAGMENT_3(elem_hash)],
- elem)) {
+ } else if (c->entries_elems[HASH_FRAGMENT_3(elem_hash)] == elem) {
/* already there (cuckoo): update with new index */
c->indices_elems[HASH_FRAGMENT_3(elem_hash)] = new_index;
- } else if (GRPC_MDISNULL(c->entries_elems[HASH_FRAGMENT_2(elem_hash)])) {
+ } else if (c->entries_elems[HASH_FRAGMENT_2(elem_hash)] == NULL) {
/* not there, but a free element: add */
c->entries_elems[HASH_FRAGMENT_2(elem_hash)] = GRPC_MDELEM_REF(elem);
c->indices_elems[HASH_FRAGMENT_2(elem_hash)] = new_index;
- } else if (GRPC_MDISNULL(c->entries_elems[HASH_FRAGMENT_3(elem_hash)])) {
+ } else if (c->entries_elems[HASH_FRAGMENT_3(elem_hash)] == NULL) {
/* not there (cuckoo), but a free element: add */
c->entries_elems[HASH_FRAGMENT_3(elem_hash)] = GRPC_MDELEM_REF(elem);
c->indices_elems[HASH_FRAGMENT_3(elem_hash)] = new_index;
@@ -250,34 +241,24 @@ static void add_elem(grpc_exec_ctx *exec_ctx, grpc_chttp2_hpack_compressor *c,
/* do exactly the same for the key (so we can find by that again too) */
- if (grpc_slice_eq(c->entries_keys[HASH_FRAGMENT_2(key_hash)],
- GRPC_MDKEY(elem))) {
+ if (c->entries_keys[HASH_FRAGMENT_2(key_hash)] == elem->key) {
c->indices_keys[HASH_FRAGMENT_2(key_hash)] = new_index;
- } else if (grpc_slice_eq(c->entries_keys[HASH_FRAGMENT_3(key_hash)],
- GRPC_MDKEY(elem))) {
+ } 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)].refcount ==
- &terminal_slice_refcount) {
- c->entries_keys[HASH_FRAGMENT_2(key_hash)] =
- grpc_slice_ref_internal(GRPC_MDKEY(elem));
+ } 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->indices_keys[HASH_FRAGMENT_2(key_hash)] = new_index;
- } else if (c->entries_keys[HASH_FRAGMENT_3(key_hash)].refcount ==
- &terminal_slice_refcount) {
- c->entries_keys[HASH_FRAGMENT_3(key_hash)] =
- grpc_slice_ref_internal(GRPC_MDKEY(elem));
+ } 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->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_slice_unref_internal(exec_ctx,
- c->entries_keys[HASH_FRAGMENT_2(key_hash)]);
- c->entries_keys[HASH_FRAGMENT_2(key_hash)] =
- grpc_slice_ref_internal(GRPC_MDKEY(elem));
+ GRPC_MDSTR_UNREF(exec_ctx, 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_slice_unref_internal(exec_ctx,
- c->entries_keys[HASH_FRAGMENT_3(key_hash)]);
- c->entries_keys[HASH_FRAGMENT_3(key_hash)] =
- grpc_slice_ref_internal(GRPC_MDKEY(elem));
+ GRPC_MDSTR_UNREF(exec_ctx, 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;
}
}
@@ -289,18 +270,20 @@ static void emit_indexed(grpc_chttp2_hpack_compressor *c, uint32_t elem_index,
len);
}
-static grpc_slice get_wire_value(grpc_mdelem elem, uint8_t *huffman_prefix) {
- if (grpc_is_binary_header(GRPC_MDKEY(elem))) {
+static grpc_slice get_wire_value(grpc_mdelem *elem, uint8_t *huffman_prefix) {
+ if (grpc_is_binary_header(
+ (const char *)GRPC_SLICE_START_PTR(elem->key->slice),
+ GRPC_SLICE_LENGTH(elem->key->slice))) {
*huffman_prefix = 0x80;
- return grpc_chttp2_base64_encode_and_huffman_compress(GRPC_MDVALUE(elem));
+ return grpc_mdstr_as_base64_encoded_and_huffman_compressed(elem->value);
}
/* TODO(ctiller): opportunistically compress non-binary headers */
*huffman_prefix = 0x00;
- return grpc_slice_ref_internal(GRPC_MDVALUE(elem));
+ return elem->value->slice;
}
static void emit_lithdr_incidx(grpc_chttp2_hpack_compressor *c,
- uint32_t key_index, grpc_mdelem elem,
+ uint32_t key_index, grpc_mdelem *elem,
framer_state *st) {
uint32_t len_pfx = GRPC_CHTTP2_VARINT_LENGTH(key_index, 2);
uint8_t huffman_prefix;
@@ -313,11 +296,11 @@ static void emit_lithdr_incidx(grpc_chttp2_hpack_compressor *c,
add_tiny_header_data(st, len_pfx), len_pfx);
GRPC_CHTTP2_WRITE_VARINT((uint32_t)len_val, 1, huffman_prefix,
add_tiny_header_data(st, len_val_len), len_val_len);
- add_header_data(st, value_slice);
+ add_header_data(st, grpc_slice_ref_internal(value_slice));
}
static void emit_lithdr_noidx(grpc_chttp2_hpack_compressor *c,
- uint32_t key_index, grpc_mdelem elem,
+ uint32_t key_index, grpc_mdelem *elem,
framer_state *st) {
uint32_t len_pfx = GRPC_CHTTP2_VARINT_LENGTH(key_index, 4);
uint8_t huffman_prefix;
@@ -330,12 +313,12 @@ static void emit_lithdr_noidx(grpc_chttp2_hpack_compressor *c,
add_tiny_header_data(st, len_pfx), len_pfx);
GRPC_CHTTP2_WRITE_VARINT((uint32_t)len_val, 1, huffman_prefix,
add_tiny_header_data(st, len_val_len), len_val_len);
- add_header_data(st, value_slice);
+ add_header_data(st, grpc_slice_ref_internal(value_slice));
}
static void emit_lithdr_incidx_v(grpc_chttp2_hpack_compressor *c,
- grpc_mdelem elem, framer_state *st) {
- uint32_t len_key = (uint32_t)GRPC_SLICE_LENGTH(GRPC_MDKEY(elem));
+ grpc_mdelem *elem, framer_state *st) {
+ uint32_t len_key = (uint32_t)GRPC_SLICE_LENGTH(elem->key->slice);
uint8_t huffman_prefix;
grpc_slice value_slice = get_wire_value(elem, &huffman_prefix);
uint32_t len_val = (uint32_t)GRPC_SLICE_LENGTH(value_slice);
@@ -346,15 +329,15 @@ static void emit_lithdr_incidx_v(grpc_chttp2_hpack_compressor *c,
*add_tiny_header_data(st, 1) = 0x40;
GRPC_CHTTP2_WRITE_VARINT(len_key, 1, 0x00,
add_tiny_header_data(st, len_key_len), len_key_len);
- add_header_data(st, grpc_slice_ref_internal(GRPC_MDKEY(elem)));
+ add_header_data(st, grpc_slice_ref_internal(elem->key->slice));
GRPC_CHTTP2_WRITE_VARINT(len_val, 1, huffman_prefix,
add_tiny_header_data(st, len_val_len), len_val_len);
- add_header_data(st, value_slice);
+ add_header_data(st, grpc_slice_ref_internal(value_slice));
}
static void emit_lithdr_noidx_v(grpc_chttp2_hpack_compressor *c,
- grpc_mdelem elem, framer_state *st) {
- uint32_t len_key = (uint32_t)GRPC_SLICE_LENGTH(GRPC_MDKEY(elem));
+ grpc_mdelem *elem, framer_state *st) {
+ uint32_t len_key = (uint32_t)GRPC_SLICE_LENGTH(elem->key->slice);
uint8_t huffman_prefix;
grpc_slice value_slice = get_wire_value(elem, &huffman_prefix);
uint32_t len_val = (uint32_t)GRPC_SLICE_LENGTH(value_slice);
@@ -365,10 +348,10 @@ static void emit_lithdr_noidx_v(grpc_chttp2_hpack_compressor *c,
*add_tiny_header_data(st, 1) = 0x00;
GRPC_CHTTP2_WRITE_VARINT(len_key, 1, 0x00,
add_tiny_header_data(st, len_key_len), len_key_len);
- add_header_data(st, grpc_slice_ref_internal(GRPC_MDKEY(elem)));
+ add_header_data(st, grpc_slice_ref_internal(elem->key->slice));
GRPC_CHTTP2_WRITE_VARINT(len_val, 1, huffman_prefix,
add_tiny_header_data(st, len_val_len), len_val_len);
- add_header_data(st, value_slice);
+ add_header_data(st, grpc_slice_ref_internal(value_slice));
}
static void emit_advertise_table_size_change(grpc_chttp2_hpack_compressor *c,
@@ -386,9 +369,15 @@ static uint32_t dynidx(grpc_chttp2_hpack_compressor *c, uint32_t elem_index) {
/* encode an mdelem */
static void hpack_enc(grpc_exec_ctx *exec_ctx, grpc_chttp2_hpack_compressor *c,
- grpc_mdelem elem, framer_state *st) {
- GPR_ASSERT(GRPC_SLICE_LENGTH(GRPC_MDKEY(elem)) > 0);
- if (GRPC_SLICE_START_PTR(GRPC_MDKEY(elem))[0] != ':') { /* regular header */
+ grpc_mdelem *elem, framer_state *st) {
+ uint32_t key_hash = elem->key->hash;
+ uint32_t elem_hash = GRPC_MDSTR_KV_HASH(key_hash, elem->value->hash);
+ size_t decoder_space_usage;
+ uint32_t indices_key;
+ int should_add_elem;
+
+ GPR_ASSERT(GRPC_SLICE_LENGTH(elem->key->slice) > 0);
+ if (GRPC_SLICE_START_PTR(elem->key->slice)[0] != ':') { /* regular header */
st->seen_regular_header = 1;
} else {
GPR_ASSERT(
@@ -396,39 +385,11 @@ static void hpack_enc(grpc_exec_ctx *exec_ctx, grpc_chttp2_hpack_compressor *c,
"Reserved header (colon-prefixed) happening after regular ones.");
}
- if (grpc_http_trace && !GRPC_MDELEM_IS_INTERNED(elem)) {
- char *k = grpc_slice_to_c_string(GRPC_MDKEY(elem));
- char *v = grpc_slice_to_c_string(GRPC_MDVALUE(elem));
- gpr_log(
- GPR_DEBUG,
- "Encode: '%s: %s', elem_interned=%d [%d], k_interned=%d, v_interned=%d",
- k, v, GRPC_MDELEM_IS_INTERNED(elem), GRPC_MDELEM_STORAGE(elem),
- grpc_slice_is_interned(GRPC_MDKEY(elem)),
- grpc_slice_is_interned(GRPC_MDVALUE(elem)));
- gpr_free(k);
- gpr_free(v);
- }
- if (!GRPC_MDELEM_IS_INTERNED(elem)) {
- emit_lithdr_noidx_v(c, elem, st);
- return;
- }
-
- uint32_t key_hash;
- uint32_t value_hash;
- uint32_t elem_hash;
- size_t decoder_space_usage;
- uint32_t indices_key;
- int should_add_elem;
-
- key_hash = grpc_slice_hash(GRPC_MDKEY(elem));
- value_hash = grpc_slice_hash(GRPC_MDVALUE(elem));
- elem_hash = GRPC_MDSTR_KV_HASH(key_hash, value_hash);
-
inc_filter(HASH_FRAGMENT_1(elem_hash), &c->filter_elems_sum, c->filter_elems);
/* is this elem currently in the decoders table? */
- if (grpc_mdelem_eq(c->entries_elems[HASH_FRAGMENT_2(elem_hash)], elem) &&
+ if (c->entries_elems[HASH_FRAGMENT_2(elem_hash)] == elem &&
c->indices_elems[HASH_FRAGMENT_2(elem_hash)] > c->tail_remote_index) {
/* HIT: complete element (first cuckoo hash) */
emit_indexed(c, dynidx(c, c->indices_elems[HASH_FRAGMENT_2(elem_hash)]),
@@ -436,7 +397,7 @@ static void hpack_enc(grpc_exec_ctx *exec_ctx, grpc_chttp2_hpack_compressor *c,
return;
}
- if (grpc_mdelem_eq(c->entries_elems[HASH_FRAGMENT_3(elem_hash)], elem) &&
+ if (c->entries_elems[HASH_FRAGMENT_3(elem_hash)] == elem &&
c->indices_elems[HASH_FRAGMENT_3(elem_hash)] > c->tail_remote_index) {
/* HIT: complete element (second cuckoo hash) */
emit_indexed(c, dynidx(c, c->indices_elems[HASH_FRAGMENT_3(elem_hash)]),
@@ -453,8 +414,7 @@ static void hpack_enc(grpc_exec_ctx *exec_ctx, grpc_chttp2_hpack_compressor *c,
/* no hits for the elem... maybe there's a key? */
indices_key = c->indices_keys[HASH_FRAGMENT_2(key_hash)];
- if (grpc_slice_eq(c->entries_keys[HASH_FRAGMENT_2(key_hash)],
- GRPC_MDKEY(elem)) &&
+ if (c->entries_keys[HASH_FRAGMENT_2(key_hash)] == elem->key &&
indices_key > c->tail_remote_index) {
/* HIT: key (first cuckoo hash) */
if (should_add_elem) {
@@ -469,8 +429,7 @@ static void hpack_enc(grpc_exec_ctx *exec_ctx, grpc_chttp2_hpack_compressor *c,
}
indices_key = c->indices_keys[HASH_FRAGMENT_3(key_hash)];
- if (grpc_slice_eq(c->entries_keys[HASH_FRAGMENT_3(key_hash)],
- GRPC_MDKEY(elem)) &&
+ if (c->entries_keys[HASH_FRAGMENT_3(key_hash)] == elem->key &&
indices_key > c->tail_remote_index) {
/* HIT: key (first cuckoo hash) */
if (should_add_elem) {
@@ -504,11 +463,11 @@ static void deadline_enc(grpc_exec_ctx *exec_ctx,
grpc_chttp2_hpack_compressor *c, gpr_timespec deadline,
framer_state *st) {
char timeout_str[GRPC_HTTP2_TIMEOUT_ENCODE_MIN_BUFSIZE];
- grpc_mdelem mdelem;
+ grpc_mdelem *mdelem;
grpc_http2_encode_timeout(
gpr_time_sub(deadline, gpr_now(deadline.clock_type)), timeout_str);
- mdelem = grpc_mdelem_from_slices(exec_ctx, GRPC_MDSTR_GRPC_TIMEOUT,
- grpc_slice_from_copied_string(timeout_str));
+ mdelem = grpc_mdelem_from_metadata_strings(
+ exec_ctx, GRPC_MDSTR_GRPC_TIMEOUT, grpc_mdstr_from_string(timeout_str));
hpack_enc(exec_ctx, c, mdelem, st);
GRPC_MDELEM_UNREF(exec_ctx, mdelem);
}
@@ -525,19 +484,14 @@ void grpc_chttp2_hpack_compressor_init(grpc_chttp2_hpack_compressor *c) {
gpr_malloc(sizeof(*c->table_elem_size) * c->cap_table_elems);
memset(c->table_elem_size, 0,
sizeof(*c->table_elem_size) * c->cap_table_elems);
- for (size_t i = 0; i < GPR_ARRAY_SIZE(c->entries_keys); i++) {
- c->entries_keys[i] = terminal_slice;
- }
}
void grpc_chttp2_hpack_compressor_destroy(grpc_exec_ctx *exec_ctx,
grpc_chttp2_hpack_compressor *c) {
int i;
for (i = 0; i < GRPC_CHTTP2_HPACKC_NUM_VALUES; i++) {
- if (c->entries_keys[i].refcount != &terminal_slice_refcount) {
- grpc_slice_unref_internal(exec_ctx, c->entries_keys[i]);
- }
- GRPC_MDELEM_UNREF(exec_ctx, c->entries_elems[i]);
+ if (c->entries_keys[i]) GRPC_MDSTR_UNREF(exec_ctx, c->entries_keys[i]);
+ if (c->entries_elems[i]) GRPC_MDELEM_UNREF(exec_ctx, c->entries_elems[i]);
}
gpr_free(c->table_elem_size);
}
diff --git a/src/core/ext/transport/chttp2/transport/hpack_encoder.h b/src/core/ext/transport/chttp2/transport/hpack_encoder.h
index 83ba5b1b3e..3a35496ec8 100644
--- a/src/core/ext/transport/chttp2/transport/hpack_encoder.h
+++ b/src/core/ext/transport/chttp2/transport/hpack_encoder.h
@@ -74,8 +74,8 @@ typedef struct {
/* entry tables for keys & elems: these tables track values that have been
seen and *may* be in the decompressor table */
- grpc_slice entries_keys[GRPC_CHTTP2_HPACKC_NUM_VALUES];
- grpc_mdelem entries_elems[GRPC_CHTTP2_HPACKC_NUM_VALUES];
+ grpc_mdstr *entries_keys[GRPC_CHTTP2_HPACKC_NUM_VALUES];
+ grpc_mdelem *entries_elems[GRPC_CHTTP2_HPACKC_NUM_VALUES];
uint32_t indices_keys[GRPC_CHTTP2_HPACKC_NUM_VALUES];
uint32_t indices_elems[GRPC_CHTTP2_HPACKC_NUM_VALUES];
diff --git a/src/core/ext/transport/chttp2/transport/hpack_parser.c b/src/core/ext/transport/chttp2/transport/hpack_parser.c
index 40f5120308..8b91cc760b 100644
--- a/src/core/ext/transport/chttp2/transport/hpack_parser.c
+++ b/src/core/ext/transport/chttp2/transport/hpack_parser.c
@@ -50,13 +50,9 @@
#include <grpc/support/useful.h>
#include "src/core/ext/transport/chttp2/transport/bin_encoder.h"
+#include "src/core/ext/transport/chttp2/transport/http2_errors.h"
#include "src/core/lib/profiling/timers.h"
-#include "src/core/lib/slice/slice_internal.h"
#include "src/core/lib/support/string.h"
-#include "src/core/lib/transport/http2_errors.h"
-
-/* TODO(ctiller): remove before submission */
-#include "src/core/lib/slice/slice_string_helpers.h"
extern int grpc_http_trace;
@@ -672,22 +668,8 @@ static const uint8_t inverse_base64[256] = {
/* emission helpers */
static grpc_error *on_hdr(grpc_exec_ctx *exec_ctx, grpc_chttp2_hpack_parser *p,
- grpc_mdelem md, int add_to_table) {
- if (grpc_http_trace && !GRPC_MDELEM_IS_INTERNED(md)) {
- char *k = grpc_slice_to_c_string(GRPC_MDKEY(md));
- char *v = grpc_slice_to_c_string(GRPC_MDVALUE(md));
- gpr_log(
- GPR_DEBUG,
- "Decode: '%s: %s', elem_interned=%d [%d], k_interned=%d, v_interned=%d",
- k, v, GRPC_MDELEM_IS_INTERNED(md), GRPC_MDELEM_STORAGE(md),
- grpc_slice_is_interned(GRPC_MDKEY(md)),
- grpc_slice_is_interned(GRPC_MDVALUE(md)));
- gpr_free(k);
- gpr_free(v);
- }
+ grpc_mdelem *md, int add_to_table) {
if (add_to_table) {
- GPR_ASSERT(GRPC_MDELEM_STORAGE(md) == GRPC_MDELEM_STORAGE_INTERNED ||
- GRPC_MDELEM_STORAGE(md) == GRPC_MDELEM_STORAGE_STATIC);
grpc_error *err = grpc_chttp2_hptbl_add(exec_ctx, &p->table, md);
if (err != GRPC_ERROR_NONE) return err;
}
@@ -699,28 +681,10 @@ static grpc_error *on_hdr(grpc_exec_ctx *exec_ctx, grpc_chttp2_hpack_parser *p,
return GRPC_ERROR_NONE;
}
-static grpc_slice take_string(grpc_exec_ctx *exec_ctx,
- grpc_chttp2_hpack_parser *p,
- grpc_chttp2_hpack_parser_string *str,
- bool intern) {
- grpc_slice s;
- if (!str->copied) {
- if (intern) {
- s = grpc_slice_intern(str->data.referenced);
- grpc_slice_unref_internal(exec_ctx, str->data.referenced);
- } else {
- s = str->data.referenced;
- }
- str->copied = true;
- str->data.referenced = grpc_empty_slice();
- } else if (intern) {
- s = grpc_slice_intern(grpc_slice_from_static_buffer(
- str->data.copied.str, str->data.copied.length));
- } else {
- s = grpc_slice_from_copied_buffer(str->data.copied.str,
- str->data.copied.length);
- }
- str->data.copied.length = 0;
+static grpc_mdstr *take_string(grpc_chttp2_hpack_parser *p,
+ grpc_chttp2_hpack_parser_string *str) {
+ grpc_mdstr *s = grpc_mdstr_from_buffer((uint8_t *)str->str, str->length);
+ str->length = 0;
return s;
}
@@ -807,8 +771,8 @@ static grpc_error *finish_indexed_field(grpc_exec_ctx *exec_ctx,
grpc_chttp2_hpack_parser *p,
const uint8_t *cur,
const uint8_t *end) {
- grpc_mdelem md = grpc_chttp2_hptbl_lookup(&p->table, p->index);
- if (GRPC_MDISNULL(md)) {
+ grpc_mdelem *md = grpc_chttp2_hptbl_lookup(&p->table, p->index);
+ if (md == NULL) {
return grpc_error_set_int(
grpc_error_set_int(GRPC_ERROR_CREATE("Invalid HPACK index received"),
GRPC_ERROR_INT_INDEX, (intptr_t)p->index),
@@ -849,13 +813,12 @@ static grpc_error *finish_lithdr_incidx(grpc_exec_ctx *exec_ctx,
grpc_chttp2_hpack_parser *p,
const uint8_t *cur,
const uint8_t *end) {
- grpc_mdelem md = grpc_chttp2_hptbl_lookup(&p->table, p->index);
- GPR_ASSERT(!GRPC_MDISNULL(md)); /* handled in string parsing */
- grpc_error *err = on_hdr(
- exec_ctx, p,
- grpc_mdelem_from_slices(exec_ctx, grpc_slice_ref_internal(GRPC_MDKEY(md)),
- take_string(exec_ctx, p, &p->value, true)),
- 1);
+ grpc_mdelem *md = grpc_chttp2_hptbl_lookup(&p->table, p->index);
+ GPR_ASSERT(md != NULL); /* handled in string parsing */
+ grpc_error *err = on_hdr(exec_ctx, p, grpc_mdelem_from_metadata_strings(
+ exec_ctx, GRPC_MDSTR_REF(md->key),
+ take_string(p, &p->value)),
+ 1);
if (err != GRPC_ERROR_NONE) return parse_error(exec_ctx, p, cur, end, err);
return parse_begin(exec_ctx, p, cur, end);
}
@@ -865,11 +828,10 @@ static grpc_error *finish_lithdr_incidx_v(grpc_exec_ctx *exec_ctx,
grpc_chttp2_hpack_parser *p,
const uint8_t *cur,
const uint8_t *end) {
- grpc_error *err = on_hdr(
- exec_ctx, p,
- grpc_mdelem_from_slices(exec_ctx, take_string(exec_ctx, p, &p->key, true),
- take_string(exec_ctx, p, &p->value, true)),
- 1);
+ grpc_error *err = on_hdr(exec_ctx, p, grpc_mdelem_from_metadata_strings(
+ exec_ctx, take_string(p, &p->key),
+ take_string(p, &p->value)),
+ 1);
if (err != GRPC_ERROR_NONE) return parse_error(exec_ctx, p, cur, end, err);
return parse_begin(exec_ctx, p, cur, end);
}
@@ -919,13 +881,12 @@ static grpc_error *finish_lithdr_notidx(grpc_exec_ctx *exec_ctx,
grpc_chttp2_hpack_parser *p,
const uint8_t *cur,
const uint8_t *end) {
- grpc_mdelem md = grpc_chttp2_hptbl_lookup(&p->table, p->index);
- GPR_ASSERT(!GRPC_MDISNULL(md)); /* handled in string parsing */
- grpc_error *err = on_hdr(
- exec_ctx, p,
- grpc_mdelem_from_slices(exec_ctx, grpc_slice_ref_internal(GRPC_MDKEY(md)),
- take_string(exec_ctx, p, &p->value, false)),
- 0);
+ grpc_mdelem *md = grpc_chttp2_hptbl_lookup(&p->table, p->index);
+ GPR_ASSERT(md != NULL); /* handled in string parsing */
+ grpc_error *err = on_hdr(exec_ctx, p, grpc_mdelem_from_metadata_strings(
+ exec_ctx, GRPC_MDSTR_REF(md->key),
+ take_string(p, &p->value)),
+ 0);
if (err != GRPC_ERROR_NONE) return parse_error(exec_ctx, p, cur, end, err);
return parse_begin(exec_ctx, p, cur, end);
}
@@ -935,11 +896,10 @@ static grpc_error *finish_lithdr_notidx_v(grpc_exec_ctx *exec_ctx,
grpc_chttp2_hpack_parser *p,
const uint8_t *cur,
const uint8_t *end) {
- grpc_error *err = on_hdr(
- exec_ctx, p,
- grpc_mdelem_from_slices(exec_ctx, take_string(exec_ctx, p, &p->key, true),
- take_string(exec_ctx, p, &p->value, false)),
- 0);
+ grpc_error *err = on_hdr(exec_ctx, p, grpc_mdelem_from_metadata_strings(
+ exec_ctx, take_string(p, &p->key),
+ take_string(p, &p->value)),
+ 0);
if (err != GRPC_ERROR_NONE) return parse_error(exec_ctx, p, cur, end, err);
return parse_begin(exec_ctx, p, cur, end);
}
@@ -989,13 +949,12 @@ static grpc_error *finish_lithdr_nvridx(grpc_exec_ctx *exec_ctx,
grpc_chttp2_hpack_parser *p,
const uint8_t *cur,
const uint8_t *end) {
- grpc_mdelem md = grpc_chttp2_hptbl_lookup(&p->table, p->index);
- GPR_ASSERT(!GRPC_MDISNULL(md)); /* handled in string parsing */
- grpc_error *err = on_hdr(
- exec_ctx, p,
- grpc_mdelem_from_slices(exec_ctx, grpc_slice_ref_internal(GRPC_MDKEY(md)),
- take_string(exec_ctx, p, &p->value, false)),
- 0);
+ grpc_mdelem *md = grpc_chttp2_hptbl_lookup(&p->table, p->index);
+ GPR_ASSERT(md != NULL); /* handled in string parsing */
+ grpc_error *err = on_hdr(exec_ctx, p, grpc_mdelem_from_metadata_strings(
+ exec_ctx, GRPC_MDSTR_REF(md->key),
+ take_string(p, &p->value)),
+ 0);
if (err != GRPC_ERROR_NONE) return parse_error(exec_ctx, p, cur, end, err);
return parse_begin(exec_ctx, p, cur, end);
}
@@ -1005,11 +964,10 @@ static grpc_error *finish_lithdr_nvridx_v(grpc_exec_ctx *exec_ctx,
grpc_chttp2_hpack_parser *p,
const uint8_t *cur,
const uint8_t *end) {
- grpc_error *err = on_hdr(
- exec_ctx, p,
- grpc_mdelem_from_slices(exec_ctx, take_string(exec_ctx, p, &p->key, true),
- take_string(exec_ctx, p, &p->value, false)),
- 0);
+ grpc_error *err = on_hdr(exec_ctx, p, grpc_mdelem_from_metadata_strings(
+ exec_ctx, take_string(p, &p->key),
+ take_string(p, &p->value)),
+ 0);
if (err != GRPC_ERROR_NONE) return parse_error(exec_ctx, p, cur, end, err);
return parse_begin(exec_ctx, p, cur, end);
}
@@ -1303,15 +1261,14 @@ static grpc_error *parse_string_prefix(grpc_exec_ctx *exec_ctx,
static void append_bytes(grpc_chttp2_hpack_parser_string *str,
const uint8_t *data, size_t length) {
if (length == 0) return;
- if (length + str->data.copied.length > str->data.copied.capacity) {
- GPR_ASSERT(str->data.copied.length + length <= UINT32_MAX);
- str->data.copied.capacity = (uint32_t)(str->data.copied.length + length);
- str->data.copied.str =
- gpr_realloc(str->data.copied.str, str->data.copied.capacity);
+ if (length + str->length > str->capacity) {
+ GPR_ASSERT(str->length + length <= UINT32_MAX);
+ str->capacity = (uint32_t)(str->length + length);
+ str->str = gpr_realloc(str->str, str->capacity);
}
- memcpy(str->data.copied.str + str->data.copied.length, data, length);
- GPR_ASSERT(length <= UINT32_MAX - str->data.copied.length);
- str->data.copied.length += (uint32_t)length;
+ memcpy(str->str + str->length, data, length);
+ GPR_ASSERT(length <= UINT32_MAX - str->length);
+ str->length += (uint32_t)length;
}
static grpc_error *append_string(grpc_exec_ctx *exec_ctx,
@@ -1394,9 +1351,11 @@ static grpc_error *append_string(grpc_exec_ctx *exec_ctx,
exec_ctx, p, cur, end, GRPC_ERROR_CREATE("Should never reach here")));
}
+/* append a null terminator to a string */
static grpc_error *finish_str(grpc_exec_ctx *exec_ctx,
grpc_chttp2_hpack_parser *p, const uint8_t *cur,
const uint8_t *end) {
+ uint8_t terminator = 0;
uint8_t decoded[2];
uint32_t bits;
grpc_chttp2_hpack_parser_string *str = p->parsing.str;
@@ -1437,6 +1396,8 @@ static grpc_error *finish_str(grpc_exec_ctx *exec_ctx,
append_bytes(str, decoded, 2);
break;
}
+ append_bytes(str, &terminator, 1);
+ p->parsing.str->length--; /* don't actually count the null terminator */
return GRPC_ERROR_NONE;
}
@@ -1511,18 +1472,8 @@ static grpc_error *begin_parse_string(grpc_exec_ctx *exec_ctx,
const uint8_t *cur, const uint8_t *end,
uint8_t binary,
grpc_chttp2_hpack_parser_string *str) {
- if (!p->huff && binary == NOT_BINARY && (end - cur) >= (intptr_t)p->strlen &&
- p->current_slice_refcount != NULL) {
- str->copied = false;
- str->data.referenced.refcount = p->current_slice_refcount;
- str->data.referenced.data.refcounted.bytes = (uint8_t *)cur;
- str->data.referenced.data.refcounted.length = p->strlen;
- grpc_slice_ref_internal(str->data.referenced);
- return parse_next(exec_ctx, p, cur + p->strlen, end);
- }
p->strgot = 0;
- str->copied = true;
- str->data.copied.length = 0;
+ str->length = 0;
p->parsing.str = str;
p->huff_state = 0;
p->binary = binary;
@@ -1539,22 +1490,21 @@ static grpc_error *parse_key_string(grpc_exec_ctx *exec_ctx,
/* check if a key represents a binary header or not */
static bool is_binary_literal_header(grpc_chttp2_hpack_parser *p) {
- return grpc_is_binary_header(
- p->key.copied ? grpc_slice_from_static_buffer(p->key.data.copied.str,
- p->key.data.copied.length)
- : p->key.data.referenced);
+ return grpc_is_binary_header(p->key.str, p->key.length);
}
static grpc_error *is_binary_indexed_header(grpc_chttp2_hpack_parser *p,
bool *is) {
- grpc_mdelem elem = grpc_chttp2_hptbl_lookup(&p->table, p->index);
- if (GRPC_MDISNULL(elem)) {
+ grpc_mdelem *elem = grpc_chttp2_hptbl_lookup(&p->table, p->index);
+ if (!elem) {
return grpc_error_set_int(
grpc_error_set_int(GRPC_ERROR_CREATE("Invalid HPACK index received"),
GRPC_ERROR_INT_INDEX, (intptr_t)p->index),
GRPC_ERROR_INT_SIZE, (intptr_t)p->table.num_ents);
}
- *is = grpc_is_binary_header(GRPC_MDKEY(elem));
+ *is = grpc_is_binary_header(
+ (const char *)GRPC_SLICE_START_PTR(elem->key->slice),
+ GRPC_SLICE_LENGTH(elem->key->slice));
return GRPC_ERROR_NONE;
}
@@ -1589,14 +1539,12 @@ void grpc_chttp2_hpack_parser_init(grpc_exec_ctx *exec_ctx,
p->on_header = NULL;
p->on_header_user_data = NULL;
p->state = parse_begin;
- p->key.data.referenced = grpc_empty_slice();
- p->key.data.copied.str = NULL;
- p->key.data.copied.capacity = 0;
- p->key.data.copied.length = 0;
- p->value.data.referenced = grpc_empty_slice();
- p->value.data.copied.str = NULL;
- p->value.data.copied.capacity = 0;
- p->value.data.copied.length = 0;
+ p->key.str = NULL;
+ p->key.capacity = 0;
+ p->key.length = 0;
+ p->value.str = NULL;
+ p->value.capacity = 0;
+ p->value.length = 0;
p->dynamic_table_update_allowed = 2;
p->last_error = GRPC_ERROR_NONE;
grpc_chttp2_hptbl_init(exec_ctx, &p->table);
@@ -1611,24 +1559,19 @@ void grpc_chttp2_hpack_parser_destroy(grpc_exec_ctx *exec_ctx,
grpc_chttp2_hpack_parser *p) {
grpc_chttp2_hptbl_destroy(exec_ctx, &p->table);
GRPC_ERROR_UNREF(p->last_error);
- grpc_slice_unref_internal(exec_ctx, p->key.data.referenced);
- grpc_slice_unref_internal(exec_ctx, p->value.data.referenced);
- gpr_free(p->key.data.copied.str);
- gpr_free(p->value.data.copied.str);
+ gpr_free(p->key.str);
+ gpr_free(p->value.str);
}
grpc_error *grpc_chttp2_hpack_parser_parse(grpc_exec_ctx *exec_ctx,
grpc_chttp2_hpack_parser *p,
- grpc_slice slice) {
+ const uint8_t *beg,
+ const uint8_t *end) {
/* TODO(ctiller): limit the distance of end from beg, and perform multiple
steps in the event of a large chunk of data to limit
stack space usage when no tail call optimization is
available */
- p->current_slice_refcount = slice.refcount;
- grpc_error *error = p->state(exec_ctx, p, GRPC_SLICE_START_PTR(slice),
- GRPC_SLICE_END_PTR(slice));
- p->current_slice_refcount = NULL;
- return error;
+ return p->state(exec_ctx, p, beg, end);
}
typedef void (*maybe_complete_func_type)(grpc_exec_ctx *exec_ctx,
@@ -1644,7 +1587,7 @@ static void force_client_rst_stream(grpc_exec_ctx *exec_ctx, void *sp,
grpc_chttp2_transport *t = s->t;
if (!s->write_closed) {
grpc_slice_buffer_add(
- &t->qbuf, grpc_chttp2_rst_stream_create(s->id, GRPC_HTTP2_NO_ERROR,
+ &t->qbuf, grpc_chttp2_rst_stream_create(s->id, GRPC_CHTTP2_NO_ERROR,
&s->stats.outgoing));
grpc_chttp2_initiate_write(exec_ctx, t, false, "force_rst_stream");
grpc_chttp2_mark_stream_closed(exec_ctx, t, s, true, true, GRPC_ERROR_NONE);
@@ -1662,7 +1605,8 @@ grpc_error *grpc_chttp2_header_parser_parse(grpc_exec_ctx *exec_ctx,
if (s != NULL) {
s->stats.incoming.header_bytes += GRPC_SLICE_LENGTH(slice);
}
- grpc_error *error = grpc_chttp2_hpack_parser_parse(exec_ctx, parser, slice);
+ grpc_error *error = grpc_chttp2_hpack_parser_parse(
+ exec_ctx, parser, GRPC_SLICE_START_PTR(slice), GRPC_SLICE_END_PTR(slice));
if (error != GRPC_ERROR_NONE) {
GPR_TIMER_END("grpc_chttp2_hpack_parser_parse", 0);
return error;
diff --git a/src/core/ext/transport/chttp2/transport/hpack_parser.h b/src/core/ext/transport/chttp2/transport/hpack_parser.h
index a817183eb5..52ccf1e7a7 100644
--- a/src/core/ext/transport/chttp2/transport/hpack_parser.h
+++ b/src/core/ext/transport/chttp2/transport/hpack_parser.h
@@ -49,20 +49,14 @@ typedef grpc_error *(*grpc_chttp2_hpack_parser_state)(
const uint8_t *end);
typedef struct {
- bool copied;
- struct {
- grpc_slice referenced;
- struct {
- char *str;
- uint32_t length;
- uint32_t capacity;
- } copied;
- } data;
+ char *str;
+ uint32_t length;
+ uint32_t capacity;
} grpc_chttp2_hpack_parser_string;
struct grpc_chttp2_hpack_parser {
/* user specified callback for each header output */
- void (*on_header)(grpc_exec_ctx *exec_ctx, void *user_data, grpc_mdelem md);
+ void (*on_header)(grpc_exec_ctx *exec_ctx, void *user_data, grpc_mdelem *md);
void *on_header_user_data;
grpc_error *last_error;
@@ -73,8 +67,6 @@ struct grpc_chttp2_hpack_parser {
const grpc_chttp2_hpack_parser_state *next_state;
/* what to do after skipping prioritization data */
grpc_chttp2_hpack_parser_state after_prioritization;
- /* the refcount of the slice that we're currently parsing */
- grpc_slice_refcount *current_slice_refcount;
/* the value we're currently parsing */
union {
uint32_t *value;
@@ -114,9 +106,11 @@ void grpc_chttp2_hpack_parser_destroy(grpc_exec_ctx *exec_ctx,
void grpc_chttp2_hpack_parser_set_has_priority(grpc_chttp2_hpack_parser *p);
+/* returns 1 on success, 0 on error */
grpc_error *grpc_chttp2_hpack_parser_parse(grpc_exec_ctx *exec_ctx,
grpc_chttp2_hpack_parser *p,
- grpc_slice slice);
+ const uint8_t *beg,
+ const uint8_t *end);
/* wraps grpc_chttp2_hpack_parser_parse to provide a frame level parser for
the transport */
diff --git a/src/core/ext/transport/chttp2/transport/hpack_table.c b/src/core/ext/transport/chttp2/transport/hpack_table.c
index 62dd1b8cab..26d4036d49 100644
--- a/src/core/ext/transport/chttp2/transport/hpack_table.c
+++ b/src/core/ext/transport/chttp2/transport/hpack_table.c
@@ -190,11 +190,8 @@ void grpc_chttp2_hptbl_init(grpc_exec_ctx *exec_ctx, grpc_chttp2_hptbl *tbl) {
tbl->ents = gpr_malloc(sizeof(*tbl->ents) * tbl->cap_entries);
memset(tbl->ents, 0, sizeof(*tbl->ents) * tbl->cap_entries);
for (i = 1; i <= GRPC_CHTTP2_LAST_STATIC_ENTRY; i++) {
- tbl->static_ents[i - 1] = grpc_mdelem_from_slices(
- exec_ctx,
- grpc_slice_intern(grpc_slice_from_static_string(static_table[i].key)),
- grpc_slice_intern(
- grpc_slice_from_static_string(static_table[i].value)));
+ tbl->static_ents[i - 1] = grpc_mdelem_from_strings(
+ exec_ctx, static_table[i].key, static_table[i].value);
}
}
@@ -211,8 +208,8 @@ void grpc_chttp2_hptbl_destroy(grpc_exec_ctx *exec_ctx,
gpr_free(tbl->ents);
}
-grpc_mdelem grpc_chttp2_hptbl_lookup(const grpc_chttp2_hptbl *tbl,
- uint32_t tbl_index) {
+grpc_mdelem *grpc_chttp2_hptbl_lookup(const grpc_chttp2_hptbl *tbl,
+ uint32_t tbl_index) {
/* Static table comes first, just return an entry from it */
if (tbl_index <= GRPC_CHTTP2_LAST_STATIC_ENTRY) {
return tbl->static_ents[tbl_index - 1];
@@ -225,14 +222,14 @@ grpc_mdelem grpc_chttp2_hptbl_lookup(const grpc_chttp2_hptbl *tbl,
return tbl->ents[offset];
}
/* Invalid entry: return error */
- return GRPC_MDNULL;
+ return NULL;
}
/* Evict one element from the table */
static void evict1(grpc_exec_ctx *exec_ctx, grpc_chttp2_hptbl *tbl) {
- grpc_mdelem first_ent = tbl->ents[tbl->first_ent];
- size_t elem_bytes = GRPC_SLICE_LENGTH(GRPC_MDKEY(first_ent)) +
- GRPC_SLICE_LENGTH(GRPC_MDVALUE(first_ent)) +
+ grpc_mdelem *first_ent = tbl->ents[tbl->first_ent];
+ size_t elem_bytes = GRPC_SLICE_LENGTH(first_ent->key->slice) +
+ GRPC_SLICE_LENGTH(first_ent->value->slice) +
GRPC_CHTTP2_HPACK_ENTRY_OVERHEAD;
GPR_ASSERT(elem_bytes <= tbl->mem_used);
tbl->mem_used -= (uint32_t)elem_bytes;
@@ -242,7 +239,7 @@ static void evict1(grpc_exec_ctx *exec_ctx, grpc_chttp2_hptbl *tbl) {
}
static void rebuild_ents(grpc_chttp2_hptbl *tbl, uint32_t new_cap) {
- grpc_mdelem *ents = gpr_malloc(sizeof(*ents) * new_cap);
+ grpc_mdelem **ents = gpr_malloc(sizeof(*ents) * new_cap);
uint32_t i;
for (i = 0; i < tbl->num_ents; i++) {
@@ -304,10 +301,10 @@ grpc_error *grpc_chttp2_hptbl_set_current_table_size(grpc_exec_ctx *exec_ctx,
}
grpc_error *grpc_chttp2_hptbl_add(grpc_exec_ctx *exec_ctx,
- grpc_chttp2_hptbl *tbl, grpc_mdelem md) {
+ grpc_chttp2_hptbl *tbl, grpc_mdelem *md) {
/* determine how many bytes of buffer this entry represents */
- size_t elem_bytes = GRPC_SLICE_LENGTH(GRPC_MDKEY(md)) +
- GRPC_SLICE_LENGTH(GRPC_MDVALUE(md)) +
+ size_t elem_bytes = GRPC_SLICE_LENGTH(md->key->slice) +
+ GRPC_SLICE_LENGTH(md->value->slice) +
GRPC_CHTTP2_HPACK_ENTRY_OVERHEAD;
if (tbl->current_table_bytes > tbl->max_bytes) {
@@ -355,16 +352,16 @@ grpc_error *grpc_chttp2_hptbl_add(grpc_exec_ctx *exec_ctx,
}
grpc_chttp2_hptbl_find_result grpc_chttp2_hptbl_find(
- const grpc_chttp2_hptbl *tbl, grpc_mdelem md) {
+ const grpc_chttp2_hptbl *tbl, grpc_mdelem *md) {
grpc_chttp2_hptbl_find_result r = {0, 0};
uint32_t i;
/* See if the string is in the static table */
for (i = 0; i < GRPC_CHTTP2_LAST_STATIC_ENTRY; i++) {
- grpc_mdelem ent = tbl->static_ents[i];
- if (!grpc_slice_eq(GRPC_MDKEY(md), GRPC_MDKEY(ent))) continue;
+ grpc_mdelem *ent = tbl->static_ents[i];
+ if (md->key != ent->key) continue;
r.index = i + 1u;
- r.has_value = grpc_slice_eq(GRPC_MDVALUE(md), GRPC_MDVALUE(ent));
+ r.has_value = md->value == ent->value;
if (r.has_value) return r;
}
@@ -372,10 +369,10 @@ grpc_chttp2_hptbl_find_result grpc_chttp2_hptbl_find(
for (i = 0; i < tbl->num_ents; i++) {
uint32_t idx =
(uint32_t)(tbl->num_ents - i + GRPC_CHTTP2_LAST_STATIC_ENTRY);
- grpc_mdelem ent = tbl->ents[(tbl->first_ent + i) % tbl->cap_entries];
- if (!grpc_slice_eq(GRPC_MDKEY(md), GRPC_MDKEY(ent))) continue;
+ grpc_mdelem *ent = tbl->ents[(tbl->first_ent + i) % tbl->cap_entries];
+ if (md->key != ent->key) continue;
r.index = idx;
- r.has_value = grpc_slice_eq(GRPC_MDVALUE(md), GRPC_MDVALUE(ent));
+ r.has_value = md->value == ent->value;
if (r.has_value) return r;
}
diff --git a/src/core/ext/transport/chttp2/transport/hpack_table.h b/src/core/ext/transport/chttp2/transport/hpack_table.h
index 32a0380e00..144574ef06 100644
--- a/src/core/ext/transport/chttp2/transport/hpack_table.h
+++ b/src/core/ext/transport/chttp2/transport/hpack_table.h
@@ -79,8 +79,8 @@ typedef struct {
/* a circular buffer of headers - this is stored in the opposite order to
what hpack specifies, in order to simplify table management a little...
meaning lookups need to SUBTRACT from the end position */
- grpc_mdelem *ents;
- grpc_mdelem static_ents[GRPC_CHTTP2_LAST_STATIC_ENTRY];
+ grpc_mdelem **ents;
+ grpc_mdelem *static_ents[GRPC_CHTTP2_LAST_STATIC_ENTRY];
} grpc_chttp2_hptbl;
/* initialize a hpack table */
@@ -94,12 +94,12 @@ grpc_error *grpc_chttp2_hptbl_set_current_table_size(grpc_exec_ctx *exec_ctx,
uint32_t bytes);
/* lookup a table entry based on its hpack index */
-grpc_mdelem grpc_chttp2_hptbl_lookup(const grpc_chttp2_hptbl *tbl,
- uint32_t index);
+grpc_mdelem *grpc_chttp2_hptbl_lookup(const grpc_chttp2_hptbl *tbl,
+ uint32_t index);
/* add a table entry to the index */
grpc_error *grpc_chttp2_hptbl_add(grpc_exec_ctx *exec_ctx,
grpc_chttp2_hptbl *tbl,
- grpc_mdelem md) GRPC_MUST_USE_RESULT;
+ grpc_mdelem *md) GRPC_MUST_USE_RESULT;
/* Find a key/value pair in the table... returns the index in the table of the
most similar entry, or 0 if the value was not found */
typedef struct {
@@ -107,6 +107,6 @@ typedef struct {
int has_value;
} grpc_chttp2_hptbl_find_result;
grpc_chttp2_hptbl_find_result grpc_chttp2_hptbl_find(
- const grpc_chttp2_hptbl *tbl, grpc_mdelem md);
+ const grpc_chttp2_hptbl *tbl, grpc_mdelem *md);
#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_HPACK_TABLE_H */
diff --git a/src/core/ext/transport/chttp2/transport/http2_errors.h b/src/core/ext/transport/chttp2/transport/http2_errors.h
new file mode 100644
index 0000000000..deab2b7e3e
--- /dev/null
+++ b/src/core/ext/transport/chttp2/transport/http2_errors.h
@@ -0,0 +1,56 @@
+/*
+ *
+ * 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_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_HTTP2_ERRORS_H
+#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_HTTP2_ERRORS_H
+
+/* error codes for RST_STREAM from http2 draft 14 section 7 */
+typedef enum {
+ GRPC_CHTTP2_NO_ERROR = 0x0,
+ GRPC_CHTTP2_PROTOCOL_ERROR = 0x1,
+ GRPC_CHTTP2_INTERNAL_ERROR = 0x2,
+ GRPC_CHTTP2_FLOW_CONTROL_ERROR = 0x3,
+ GRPC_CHTTP2_SETTINGS_TIMEOUT = 0x4,
+ GRPC_CHTTP2_STREAM_CLOSED = 0x5,
+ GRPC_CHTTP2_FRAME_SIZE_ERROR = 0x6,
+ GRPC_CHTTP2_REFUSED_STREAM = 0x7,
+ GRPC_CHTTP2_CANCEL = 0x8,
+ GRPC_CHTTP2_COMPRESSION_ERROR = 0x9,
+ GRPC_CHTTP2_CONNECT_ERROR = 0xa,
+ GRPC_CHTTP2_ENHANCE_YOUR_CALM = 0xb,
+ GRPC_CHTTP2_INADEQUATE_SECURITY = 0xc,
+ /* force use of a default clause */
+ GRPC_CHTTP2__ERROR_DO_NOT_USE = -1
+} grpc_chttp2_error_code;
+
+#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_HTTP2_ERRORS_H */
diff --git a/src/core/ext/transport/chttp2/transport/incoming_metadata.c b/src/core/ext/transport/chttp2/transport/incoming_metadata.c
index c91b019aa0..5d1094999c 100644
--- a/src/core/ext/transport/chttp2/transport/incoming_metadata.c
+++ b/src/core/ext/transport/chttp2/transport/incoming_metadata.c
@@ -57,7 +57,7 @@ void grpc_chttp2_incoming_metadata_buffer_destroy(
}
void grpc_chttp2_incoming_metadata_buffer_add(
- grpc_chttp2_incoming_metadata_buffer *buffer, grpc_mdelem elem) {
+ grpc_chttp2_incoming_metadata_buffer *buffer, grpc_mdelem *elem) {
GPR_ASSERT(!buffer->published);
if (buffer->capacity == buffer->count) {
buffer->capacity = GPR_MAX(8, 2 * buffer->capacity);
@@ -68,19 +68,6 @@ void grpc_chttp2_incoming_metadata_buffer_add(
buffer->size += GRPC_MDELEM_LENGTH(elem);
}
-void grpc_chttp2_incoming_metadata_buffer_replace_or_add(
- grpc_exec_ctx *exec_ctx, grpc_chttp2_incoming_metadata_buffer *buffer,
- grpc_mdelem elem) {
- for (size_t i = 0; i < buffer->count; i++) {
- if (grpc_slice_eq(GRPC_MDKEY(buffer->elems[i].md), GRPC_MDKEY(elem))) {
- GRPC_MDELEM_UNREF(exec_ctx, buffer->elems[i].md);
- buffer->elems[i].md = elem;
- return;
- }
- }
- grpc_chttp2_incoming_metadata_buffer_add(buffer, elem);
-}
-
void grpc_chttp2_incoming_metadata_buffer_set_deadline(
grpc_chttp2_incoming_metadata_buffer *buffer, gpr_timespec deadline) {
GPR_ASSERT(!buffer->published);
@@ -88,20 +75,21 @@ void grpc_chttp2_incoming_metadata_buffer_set_deadline(
}
void grpc_chttp2_incoming_metadata_buffer_publish(
- grpc_exec_ctx *exec_ctx, grpc_chttp2_incoming_metadata_buffer *buffer,
- grpc_metadata_batch *batch) {
+ grpc_chttp2_incoming_metadata_buffer *buffer, grpc_metadata_batch *batch) {
GPR_ASSERT(!buffer->published);
buffer->published = 1;
if (buffer->count > 0) {
size_t i;
- for (i = 0; i < buffer->count; i++) {
- /* TODO(ctiller): do something better here */
- if (!GRPC_LOG_IF_ERROR("grpc_chttp2_incoming_metadata_buffer_publish",
- grpc_metadata_batch_link_tail(
- exec_ctx, batch, &buffer->elems[i]))) {
- GRPC_MDELEM_UNREF(exec_ctx, buffer->elems[i].md);
- }
+ for (i = 1; i < buffer->count; i++) {
+ buffer->elems[i].prev = &buffer->elems[i - 1];
+ }
+ for (i = 0; i < buffer->count - 1; i++) {
+ buffer->elems[i].next = &buffer->elems[i + 1];
}
+ buffer->elems[0].prev = NULL;
+ buffer->elems[buffer->count - 1].next = NULL;
+ batch->list.head = &buffer->elems[0];
+ batch->list.tail = &buffer->elems[buffer->count - 1];
} else {
batch->list.head = batch->list.tail = NULL;
}
diff --git a/src/core/ext/transport/chttp2/transport/incoming_metadata.h b/src/core/ext/transport/chttp2/transport/incoming_metadata.h
index 1eac6fc150..7a0c4da15f 100644
--- a/src/core/ext/transport/chttp2/transport/incoming_metadata.h
+++ b/src/core/ext/transport/chttp2/transport/incoming_metadata.h
@@ -51,14 +51,10 @@ void grpc_chttp2_incoming_metadata_buffer_init(
void grpc_chttp2_incoming_metadata_buffer_destroy(
grpc_exec_ctx *exec_ctx, grpc_chttp2_incoming_metadata_buffer *buffer);
void grpc_chttp2_incoming_metadata_buffer_publish(
- grpc_exec_ctx *exec_ctx, grpc_chttp2_incoming_metadata_buffer *buffer,
- grpc_metadata_batch *batch);
+ grpc_chttp2_incoming_metadata_buffer *buffer, grpc_metadata_batch *batch);
void grpc_chttp2_incoming_metadata_buffer_add(
- grpc_chttp2_incoming_metadata_buffer *buffer, grpc_mdelem elem);
-void grpc_chttp2_incoming_metadata_buffer_replace_or_add(
- grpc_exec_ctx *exec_ctx, grpc_chttp2_incoming_metadata_buffer *buffer,
- grpc_mdelem elem);
+ grpc_chttp2_incoming_metadata_buffer *buffer, grpc_mdelem *elem);
void grpc_chttp2_incoming_metadata_buffer_set_deadline(
grpc_chttp2_incoming_metadata_buffer *buffer, gpr_timespec deadline);
diff --git a/src/core/ext/transport/chttp2/transport/internal.h b/src/core/ext/transport/chttp2/transport/internal.h
index ee5edc92df..ea7beb4c2b 100644
--- a/src/core/ext/transport/chttp2/transport/internal.h
+++ b/src/core/ext/transport/chttp2/transport/internal.h
@@ -618,7 +618,8 @@ void grpc_chttp2_flowctl_trace(const char *file, int line, const char *phase,
uint32_t stream_id, int64_t val1, int64_t val2);
void grpc_chttp2_fake_status(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t,
- grpc_chttp2_stream *stream, grpc_error *error);
+ grpc_chttp2_stream *stream,
+ grpc_status_code status, grpc_slice *details);
void grpc_chttp2_mark_stream_closed(grpc_exec_ctx *exec_ctx,
grpc_chttp2_transport *t,
grpc_chttp2_stream *s, int close_reads,
diff --git a/src/core/ext/transport/chttp2/transport/parsing.c b/src/core/ext/transport/chttp2/transport/parsing.c
index f58cd696f9..4fb5dc7bd2 100644
--- a/src/core/ext/transport/chttp2/transport/parsing.c
+++ b/src/core/ext/transport/chttp2/transport/parsing.c
@@ -39,11 +39,10 @@
#include <grpc/support/log.h>
#include <grpc/support/string_util.h>
+#include "src/core/ext/transport/chttp2/transport/http2_errors.h"
+#include "src/core/ext/transport/chttp2/transport/status_conversion.h"
#include "src/core/lib/profiling/timers.h"
-#include "src/core/lib/slice/slice_string_helpers.h"
-#include "src/core/lib/transport/http2_errors.h"
#include "src/core/lib/transport/static_metadata.h"
-#include "src/core/lib/transport/status_conversion.h"
#include "src/core/lib/transport/timeout_encoding.h"
static grpc_error *init_frame_parser(grpc_exec_ctx *exec_ctx,
@@ -201,7 +200,7 @@ grpc_error *grpc_chttp2_perform_read(grpc_exec_ctx *exec_ctx,
return err;
}
if (t->incoming_frame_size == 0) {
- err = parse_frame_slice(exec_ctx, t, grpc_empty_slice(), 1);
+ err = parse_frame_slice(exec_ctx, t, gpr_empty_slice(), 1);
if (err != GRPC_ERROR_NONE) {
return err;
}
@@ -336,7 +335,7 @@ static grpc_error *skip_parser(grpc_exec_ctx *exec_ctx, void *parser,
return GRPC_ERROR_NONE;
}
-static void skip_header(grpc_exec_ctx *exec_ctx, void *tp, grpc_mdelem md) {
+static void skip_header(grpc_exec_ctx *exec_ctx, void *tp, grpc_mdelem *md) {
GRPC_MDELEM_UNREF(exec_ctx, md);
}
@@ -433,7 +432,7 @@ error_handler:
}
grpc_slice_buffer_add(
&t->qbuf, grpc_chttp2_rst_stream_create(t->incoming_stream_id,
- GRPC_HTTP2_PROTOCOL_ERROR,
+ GRPC_CHTTP2_PROTOCOL_ERROR,
&s->stats.outgoing));
return init_skip_frame_parser(exec_ctx, t, 0);
} else {
@@ -444,7 +443,7 @@ error_handler:
static void free_timeout(void *p) { gpr_free(p); }
static void on_initial_header(grpc_exec_ctx *exec_ctx, void *tp,
- grpc_mdelem md) {
+ grpc_mdelem *md) {
grpc_chttp2_transport *t = tp;
grpc_chttp2_stream *s = t->incoming_stream;
@@ -452,42 +451,32 @@ static void on_initial_header(grpc_exec_ctx *exec_ctx, void *tp,
GPR_ASSERT(s != NULL);
- if (grpc_http_trace) {
- char *key = grpc_slice_to_c_string(GRPC_MDKEY(md));
- char *value =
- grpc_dump_slice(GRPC_MDVALUE(md), GPR_DUMP_HEX | GPR_DUMP_ASCII);
- gpr_log(GPR_INFO, "HTTP:%d:HDR:%s: %s: %s", s->id,
- t->is_client ? "CLI" : "SVR", key, value);
- gpr_free(key);
- gpr_free(value);
- }
+ GRPC_CHTTP2_IF_TRACING(gpr_log(
+ GPR_INFO, "HTTP:%d:HDR:%s: %s: %s", s->id, t->is_client ? "CLI" : "SVR",
+ grpc_mdstr_as_c_string(md->key), grpc_mdstr_as_c_string(md->value)));
- if (grpc_slice_eq(GRPC_MDKEY(md), GRPC_MDSTR_GRPC_STATUS) &&
- !grpc_mdelem_eq(md, GRPC_MDELEM_GRPC_STATUS_0)) {
+ if (md->key == GRPC_MDSTR_GRPC_STATUS && md != GRPC_MDELEM_GRPC_STATUS_0) {
/* TODO(ctiller): check for a status like " 0" */
s->seen_error = true;
}
- if (grpc_slice_eq(GRPC_MDKEY(md), GRPC_MDSTR_GRPC_TIMEOUT)) {
+ if (md->key == GRPC_MDSTR_GRPC_TIMEOUT) {
gpr_timespec *cached_timeout = grpc_mdelem_get_user_data(md, free_timeout);
- gpr_timespec timeout;
- if (cached_timeout == NULL) {
+ if (!cached_timeout) {
/* not already parsed: parse it now, and store the result away */
cached_timeout = gpr_malloc(sizeof(gpr_timespec));
- if (!grpc_http2_decode_timeout(GRPC_MDVALUE(md), cached_timeout)) {
- char *val = grpc_slice_to_c_string(GRPC_MDVALUE(md));
- gpr_log(GPR_ERROR, "Ignoring bad timeout value '%s'", val);
- gpr_free(val);
+ if (!grpc_http2_decode_timeout(grpc_mdstr_as_c_string(md->value),
+ cached_timeout)) {
+ gpr_log(GPR_ERROR, "Ignoring bad timeout value '%s'",
+ grpc_mdstr_as_c_string(md->value));
*cached_timeout = gpr_inf_future(GPR_TIMESPAN);
}
- timeout = *cached_timeout;
- grpc_mdelem_set_user_data(md, free_timeout, cached_timeout);
- } else {
- timeout = *cached_timeout;
+ cached_timeout =
+ grpc_mdelem_set_user_data(md, free_timeout, cached_timeout);
}
grpc_chttp2_incoming_metadata_buffer_set_deadline(
&s->metadata_buffer[0],
- gpr_time_add(gpr_now(GPR_CLOCK_MONOTONIC), timeout));
+ gpr_time_add(gpr_now(GPR_CLOCK_MONOTONIC), *cached_timeout));
GRPC_MDELEM_UNREF(exec_ctx, md);
} else {
const size_t new_size = s->metadata_buffer[0].size + GRPC_MDELEM_LENGTH(md);
@@ -516,7 +505,7 @@ static void on_initial_header(grpc_exec_ctx *exec_ctx, void *tp,
}
static void on_trailing_header(grpc_exec_ctx *exec_ctx, void *tp,
- grpc_mdelem md) {
+ grpc_mdelem *md) {
grpc_chttp2_transport *t = tp;
grpc_chttp2_stream *s = t->incoming_stream;
@@ -524,18 +513,11 @@ static void on_trailing_header(grpc_exec_ctx *exec_ctx, void *tp,
GPR_ASSERT(s != NULL);
- if (grpc_http_trace) {
- char *key = grpc_slice_to_c_string(GRPC_MDKEY(md));
- char *value =
- grpc_dump_slice(GRPC_MDVALUE(md), GPR_DUMP_HEX | GPR_DUMP_ASCII);
- gpr_log(GPR_INFO, "HTTP:%d:TRL:%s: %s: %s", s->id,
- t->is_client ? "CLI" : "SVR", key, value);
- gpr_free(key);
- gpr_free(value);
- }
+ GRPC_CHTTP2_IF_TRACING(gpr_log(
+ GPR_INFO, "HTTP:%d:TRL:%s: %s: %s", s->id, t->is_client ? "CLI" : "SVR",
+ grpc_mdstr_as_c_string(md->key), grpc_mdstr_as_c_string(md->value)));
- if (grpc_slice_eq(GRPC_MDKEY(md), GRPC_MDSTR_GRPC_STATUS) &&
- !grpc_mdelem_eq(md, GRPC_MDELEM_GRPC_STATUS_0)) {
+ if (md->key == GRPC_MDSTR_GRPC_STATUS && md != GRPC_MDELEM_GRPC_STATUS_0) {
/* TODO(ctiller): check for a status like " 0" */
s->seen_error = true;
}
@@ -751,13 +733,14 @@ static grpc_error *parse_frame_slice(grpc_exec_ctx *exec_ctx,
if (grpc_http_trace) {
const char *msg = grpc_error_string(err);
gpr_log(GPR_ERROR, "%s", msg);
+ grpc_error_free_string(msg);
}
grpc_chttp2_parsing_become_skip_parser(exec_ctx, t);
if (s) {
s->forced_close_error = err;
grpc_slice_buffer_add(
&t->qbuf, grpc_chttp2_rst_stream_create(t->incoming_stream_id,
- GRPC_HTTP2_PROTOCOL_ERROR,
+ GRPC_CHTTP2_PROTOCOL_ERROR,
&s->stats.outgoing));
} else {
GRPC_ERROR_UNREF(err);
diff --git a/src/core/ext/transport/chttp2/transport/status_conversion.c b/src/core/ext/transport/chttp2/transport/status_conversion.c
new file mode 100644
index 0000000000..5dce2f2d0c
--- /dev/null
+++ b/src/core/ext/transport/chttp2/transport/status_conversion.c
@@ -0,0 +1,115 @@
+/*
+ *
+ * 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/ext/transport/chttp2/transport/status_conversion.h"
+
+int grpc_chttp2_grpc_status_to_http2_error(grpc_status_code status) {
+ switch (status) {
+ case GRPC_STATUS_OK:
+ return GRPC_CHTTP2_NO_ERROR;
+ case GRPC_STATUS_CANCELLED:
+ return GRPC_CHTTP2_CANCEL;
+ case GRPC_STATUS_DEADLINE_EXCEEDED:
+ return GRPC_CHTTP2_CANCEL;
+ case GRPC_STATUS_RESOURCE_EXHAUSTED:
+ return GRPC_CHTTP2_ENHANCE_YOUR_CALM;
+ case GRPC_STATUS_PERMISSION_DENIED:
+ return GRPC_CHTTP2_INADEQUATE_SECURITY;
+ case GRPC_STATUS_UNAVAILABLE:
+ return GRPC_CHTTP2_REFUSED_STREAM;
+ default:
+ return GRPC_CHTTP2_INTERNAL_ERROR;
+ }
+}
+
+grpc_status_code grpc_chttp2_http2_error_to_grpc_status(
+ grpc_chttp2_error_code error, gpr_timespec deadline) {
+ switch (error) {
+ case GRPC_CHTTP2_NO_ERROR:
+ /* should never be received */
+ return GRPC_STATUS_INTERNAL;
+ case GRPC_CHTTP2_CANCEL:
+ /* http2 cancel translates to STATUS_CANCELLED iff deadline hasn't been
+ * exceeded */
+ return gpr_time_cmp(gpr_now(deadline.clock_type), deadline) >= 0
+ ? GRPC_STATUS_DEADLINE_EXCEEDED
+ : GRPC_STATUS_CANCELLED;
+ case GRPC_CHTTP2_ENHANCE_YOUR_CALM:
+ return GRPC_STATUS_RESOURCE_EXHAUSTED;
+ case GRPC_CHTTP2_INADEQUATE_SECURITY:
+ return GRPC_STATUS_PERMISSION_DENIED;
+ case GRPC_CHTTP2_REFUSED_STREAM:
+ return GRPC_STATUS_UNAVAILABLE;
+ default:
+ return GRPC_STATUS_INTERNAL;
+ }
+}
+
+grpc_status_code grpc_chttp2_http2_status_to_grpc_status(int status) {
+ switch (status) {
+ /* these HTTP2 status codes are called out explicitly in status.proto */
+ case 200:
+ return GRPC_STATUS_OK;
+ case 400:
+ return GRPC_STATUS_INVALID_ARGUMENT;
+ case 401:
+ return GRPC_STATUS_UNAUTHENTICATED;
+ case 403:
+ return GRPC_STATUS_PERMISSION_DENIED;
+ case 404:
+ return GRPC_STATUS_NOT_FOUND;
+ case 409:
+ return GRPC_STATUS_ABORTED;
+ case 412:
+ return GRPC_STATUS_FAILED_PRECONDITION;
+ case 429:
+ return GRPC_STATUS_RESOURCE_EXHAUSTED;
+ case 499:
+ return GRPC_STATUS_CANCELLED;
+ case 500:
+ return GRPC_STATUS_UNKNOWN;
+ case 501:
+ return GRPC_STATUS_UNIMPLEMENTED;
+ case 503:
+ return GRPC_STATUS_UNAVAILABLE;
+ case 504:
+ return GRPC_STATUS_DEADLINE_EXCEEDED;
+ /* everything else is unknown */
+ default:
+ return GRPC_STATUS_UNKNOWN;
+ }
+}
+
+int grpc_chttp2_grpc_status_to_http2_status(grpc_status_code status) {
+ return 200;
+}
diff --git a/src/core/ext/transport/chttp2/transport/status_conversion.h b/src/core/ext/transport/chttp2/transport/status_conversion.h
new file mode 100644
index 0000000000..953bc9f1e1
--- /dev/null
+++ b/src/core/ext/transport/chttp2/transport/status_conversion.h
@@ -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.
+ *
+ */
+
+#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_STATUS_CONVERSION_H
+#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_STATUS_CONVERSION_H
+
+#include <grpc/grpc.h>
+#include "src/core/ext/transport/chttp2/transport/http2_errors.h"
+
+/* Conversion of grpc status codes to http2 error codes (for RST_STREAM) */
+grpc_chttp2_error_code grpc_chttp2_grpc_status_to_http2_error(
+ grpc_status_code status);
+grpc_status_code grpc_chttp2_http2_error_to_grpc_status(
+ grpc_chttp2_error_code error, gpr_timespec deadline);
+
+/* Conversion of HTTP status codes (:status) to grpc status codes */
+grpc_status_code grpc_chttp2_http2_status_to_grpc_status(int status);
+int grpc_chttp2_grpc_status_to_http2_status(grpc_status_code status);
+
+#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_STATUS_CONVERSION_H */
diff --git a/src/core/ext/transport/chttp2/transport/writing.c b/src/core/ext/transport/chttp2/transport/writing.c
index 182aff1e3f..84554d327d 100644
--- a/src/core/ext/transport/chttp2/transport/writing.c
+++ b/src/core/ext/transport/chttp2/transport/writing.c
@@ -37,9 +37,9 @@
#include <grpc/support/log.h>
+#include "src/core/ext/transport/chttp2/transport/http2_errors.h"
#include "src/core/lib/profiling/timers.h"
#include "src/core/lib/slice/slice_internal.h"
-#include "src/core/lib/transport/http2_errors.h"
static void add_to_write_list(grpc_chttp2_write_cb **list,
grpc_chttp2_write_cb *cb) {
@@ -74,6 +74,15 @@ static void update_list(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t,
GRPC_ERROR_UNREF(error);
}
+static bool stream_ref_if_not_destroyed(gpr_refcount *r) {
+ gpr_atm count;
+ do {
+ count = gpr_atm_acq_load(&r->count);
+ if (count == 0) return false;
+ } while (!gpr_atm_rel_cas(&r->count, count, count + 1));
+ return true;
+}
+
bool grpc_chttp2_begin_write(grpc_exec_ctx *exec_ctx,
grpc_chttp2_transport *t) {
grpc_chttp2_stream *s;
@@ -101,8 +110,11 @@ bool grpc_chttp2_begin_write(grpc_exec_ctx *exec_ctx,
if (t->outgoing_window > 0) {
while (grpc_chttp2_list_pop_stalled_by_transport(t, &s)) {
- grpc_chttp2_become_writable(exec_ctx, t, s, false,
- "transport.read_flow_control");
+ if (!t->closed && grpc_chttp2_list_add_writable_stream(t, s) &&
+ stream_ref_if_not_destroyed(&s->refcount->refs)) {
+ grpc_chttp2_initiate_write(exec_ctx, t, false,
+ "transport.read_flow_control");
+ }
}
}
@@ -164,7 +176,7 @@ bool grpc_chttp2_begin_write(grpc_exec_ctx *exec_ctx,
s->sent_trailing_metadata = true;
if (!t->is_client && !s->read_closed) {
grpc_slice_buffer_add(&t->outbuf, grpc_chttp2_rst_stream_create(
- s->id, GRPC_HTTP2_NO_ERROR,
+ s->id, GRPC_CHTTP2_NO_ERROR,
&s->stats.outgoing));
}
}
@@ -197,7 +209,7 @@ bool grpc_chttp2_begin_write(grpc_exec_ctx *exec_ctx,
if (!t->is_client && !s->read_closed) {
grpc_slice_buffer_add(
&t->outbuf, grpc_chttp2_rst_stream_create(
- s->id, GRPC_HTTP2_NO_ERROR, &s->stats.outgoing));
+ s->id, GRPC_CHTTP2_NO_ERROR, &s->stats.outgoing));
}
now_writing = true;
}
diff --git a/src/core/ext/transport/cronet/transport/cronet_transport.c b/src/core/ext/transport/cronet/transport/cronet_transport.c
index 2683abf47c..6f5816390a 100644
--- a/src/core/ext/transport/cronet/transport/cronet_transport.c
+++ b/src/core/ext/transport/cronet/transport/cronet_transport.c
@@ -44,8 +44,6 @@
#include "src/core/ext/transport/chttp2/transport/incoming_metadata.h"
#include "src/core/lib/iomgr/endpoint.h"
#include "src/core/lib/iomgr/exec_ctx.h"
-#include "src/core/lib/slice/slice_internal.h"
-#include "src/core/lib/slice/slice_string_helpers.h"
#include "src/core/lib/support/string.h"
#include "src/core/lib/surface/channel.h"
#include "src/core/lib/transport/metadata_batch.h"
@@ -439,11 +437,9 @@ static void on_response_headers_received(
for (size_t i = 0; i < headers->count; i++) {
grpc_chttp2_incoming_metadata_buffer_add(
&s->state.rs.initial_metadata,
- grpc_mdelem_from_slices(
- &exec_ctx, grpc_slice_intern(grpc_slice_from_static_string(
- headers->headers[i].key)),
- grpc_slice_intern(
- grpc_slice_from_static_string(headers->headers[i].value))));
+ grpc_mdelem_from_metadata_strings(
+ &exec_ctx, grpc_mdstr_from_string(headers->headers[i].key),
+ grpc_mdstr_from_string(headers->headers[i].value)));
}
s->state.state_callback_received[OP_RECV_INITIAL_METADATA] = true;
if (!(s->state.state_op_done[OP_CANCEL_ERROR] ||
@@ -538,11 +534,9 @@ static void on_response_trailers_received(
trailers->headers[i].value);
grpc_chttp2_incoming_metadata_buffer_add(
&s->state.rs.trailing_metadata,
- grpc_mdelem_from_slices(
- &exec_ctx, grpc_slice_intern(grpc_slice_from_static_string(
- trailers->headers[i].key)),
- grpc_slice_intern(
- grpc_slice_from_static_string(trailers->headers[i].value))));
+ grpc_mdelem_from_metadata_strings(
+ &exec_ctx, grpc_mdstr_from_string(trailers->headers[i].key),
+ grpc_mdstr_from_string(trailers->headers[i].value)));
s->state.rs.trailing_metadata_valid = true;
if (0 == strcmp(trailers->headers[i].key, "grpc-status") &&
0 != strcmp(trailers->headers[i].value, "0")) {
@@ -622,41 +616,33 @@ static void convert_metadata_to_cronet_headers(
curr = head;
size_t num_headers = 0;
while (num_headers < num_headers_available) {
- grpc_mdelem mdelem = curr->md;
+ grpc_mdelem *mdelem = curr->md;
curr = curr->next;
- char *key = grpc_slice_to_c_string(GRPC_MDKEY(mdelem));
- char *value = grpc_slice_to_c_string(GRPC_MDVALUE(mdelem));
- if (grpc_slice_eq(GRPC_MDKEY(mdelem), GRPC_MDSTR_SCHEME) ||
- grpc_slice_eq(GRPC_MDKEY(mdelem), GRPC_MDSTR_AUTHORITY)) {
+ const char *key = grpc_mdstr_as_c_string(mdelem->key);
+ const char *value = grpc_mdstr_as_c_string(mdelem->value);
+ if (mdelem->key == GRPC_MDSTR_SCHEME ||
+ mdelem->key == GRPC_MDSTR_AUTHORITY) {
/* Cronet populates these fields on its own */
- gpr_free(key);
- gpr_free(value);
continue;
}
- if (grpc_slice_eq(GRPC_MDKEY(mdelem), GRPC_MDSTR_METHOD)) {
- if (grpc_slice_eq(GRPC_MDVALUE(mdelem), GRPC_MDSTR_PUT)) {
+ if (mdelem->key == GRPC_MDSTR_METHOD) {
+ if (mdelem->value == GRPC_MDSTR_PUT) {
*method = "PUT";
} else {
/* POST method in default*/
*method = "POST";
}
- gpr_free(key);
- gpr_free(value);
continue;
}
- if (grpc_slice_eq(GRPC_MDKEY(mdelem), GRPC_MDSTR_PATH)) {
+ if (mdelem->key == GRPC_MDSTR_PATH) {
/* Create URL by appending :path value to the hostname */
gpr_asprintf(pp_url, "https://%s%s", host, value);
- gpr_free(key);
- gpr_free(value);
continue;
}
CRONET_LOG(GPR_DEBUG, "header %s = %s", key, value);
headers[num_headers].key = key;
headers[num_headers].value = value;
num_headers++;
- gpr_free(key);
- gpr_free(value);
if (curr == NULL) {
break;
}
@@ -676,7 +662,7 @@ static int parse_grpc_header(const uint8_t *data) {
static bool header_has_authority(grpc_linked_mdelem *head) {
while (head != NULL) {
- if (grpc_slice_eq(GRPC_MDKEY(head->md), GRPC_MDSTR_AUTHORITY)) {
+ if (head->md->key == GRPC_MDSTR_AUTHORITY) {
return true;
}
head = head->next;
@@ -865,15 +851,13 @@ static enum e_op_result execute_stream_op(grpc_exec_ctx *exec_ctx,
CRONET_LOG(GPR_DEBUG, "running: %p OP_RECV_INITIAL_METADATA", oas);
if (stream_state->state_op_done[OP_CANCEL_ERROR]) {
grpc_closure_sched(exec_ctx, stream_op->recv_initial_metadata_ready,
- GRPC_ERROR_CANCELLED);
+ GRPC_ERROR_NONE);
} else if (stream_state->state_callback_received[OP_FAILED]) {
- grpc_closure_sched(
- exec_ctx, stream_op->recv_initial_metadata_ready,
- make_error_with_desc(GRPC_STATUS_UNAVAILABLE, "Unavailable."));
+ grpc_closure_sched(exec_ctx, stream_op->recv_initial_metadata_ready,
+ GRPC_ERROR_NONE);
} else {
grpc_chttp2_incoming_metadata_buffer_publish(
- exec_ctx, &oas->s->state.rs.initial_metadata,
- stream_op->recv_initial_metadata);
+ &oas->s->state.rs.initial_metadata, stream_op->recv_initial_metadata);
grpc_closure_sched(exec_ctx, stream_op->recv_initial_metadata_ready,
GRPC_ERROR_NONE);
}
@@ -927,14 +911,13 @@ static enum e_op_result execute_stream_op(grpc_exec_ctx *exec_ctx,
if (stream_state->state_op_done[OP_CANCEL_ERROR]) {
CRONET_LOG(GPR_DEBUG, "Stream is cancelled.");
grpc_closure_sched(exec_ctx, stream_op->recv_message_ready,
- GRPC_ERROR_CANCELLED);
+ GRPC_ERROR_NONE);
stream_state->state_op_done[OP_RECV_MESSAGE] = true;
result = ACTION_TAKEN_NO_CALLBACK;
} else if (stream_state->state_callback_received[OP_FAILED]) {
CRONET_LOG(GPR_DEBUG, "Stream failed.");
- grpc_closure_sched(
- exec_ctx, stream_op->recv_message_ready,
- make_error_with_desc(GRPC_STATUS_UNAVAILABLE, "Unavailable."));
+ grpc_closure_sched(exec_ctx, stream_op->recv_message_ready,
+ GRPC_ERROR_NONE);
stream_state->state_op_done[OP_RECV_MESSAGE] = true;
result = ACTION_TAKEN_NO_CALLBACK;
} else if (stream_state->rs.read_stream_closed == true) {
@@ -1030,7 +1013,7 @@ static enum e_op_result execute_stream_op(grpc_exec_ctx *exec_ctx,
CRONET_LOG(GPR_DEBUG, "running: %p OP_RECV_TRAILING_METADATA", oas);
if (oas->s->state.rs.trailing_metadata_valid) {
grpc_chttp2_incoming_metadata_buffer_publish(
- exec_ctx, &oas->s->state.rs.trailing_metadata,
+ &oas->s->state.rs.trailing_metadata,
stream_op->recv_trailing_metadata);
stream_state->rs.trailing_metadata_valid = false;
}