Merge v1.0.x into master

4 files changed, 56 insertions, 30 deletions

diff --git a/src/core/ext/transport/chttp2/transport/chttp2_transport.c b/src/core/ext/transport/chttp2/transport/chttp2_transport.c
index be8a8f8498..d050467a02 100644
--- a/src/core/ext/transport/chttp2/transport/chttp2_transport.c
+++ b/src/core/ext/transport/chttp2/transport/chttp2_transport.c
@@ -2005,6 +2005,7 @@ static grpc_error *try_http_parsing(grpc_exec_ctx *exec_ctx,
 static void parsing_action(grpc_exec_ctx *exec_ctx, void *arg,
                            grpc_error *error) {
   grpc_chttp2_transport *t = arg;
+  grpc_error *err = GRPC_ERROR_NONE;
   GPR_TIMER_BEGIN("reading_action.parse", 0);
   size_t i = 0;
   grpc_error *errors[3] = {GRPC_ERROR_REF(error), GRPC_ERROR_NONE,
@@ -2013,15 +2014,13 @@ static void parsing_action(grpc_exec_ctx *exec_ctx, void *arg,
     errors[1] = grpc_chttp2_perform_read(exec_ctx, &t->parsing,
                                          t->read_buffer.slices[i]);
   };
-  if (i != t->read_buffer.count) {
+  if (errors[1] == GRPC_ERROR_NONE) {
+    err = GRPC_ERROR_REF(error);
+  } else {
     errors[2] = try_http_parsing(exec_ctx, t);
+    err = GRPC_ERROR_CREATE_REFERENCING("Failed parsing HTTP/2", errors,
+                                        GPR_ARRAY_SIZE(errors));
   }
-  grpc_error *err =
-      errors[0] == GRPC_ERROR_NONE && errors[1] == GRPC_ERROR_NONE &&
-              errors[2] == GRPC_ERROR_NONE
-          ? GRPC_ERROR_NONE
-          : GRPC_ERROR_CREATE_REFERENCING("Failed parsing HTTP/2", errors,
-                                          GPR_ARRAY_SIZE(errors));
   for (i = 0; i < GPR_ARRAY_SIZE(errors); i++) {
     GRPC_ERROR_UNREF(errors[i]);
   }
diff --git a/src/core/lib/iomgr/network_status_tracker.c b/src/core/lib/iomgr/network_status_tracker.c
index 90c074b007..a2029c5849 100644
--- a/src/core/lib/iomgr/network_status_tracker.c
+++ b/src/core/lib/iomgr/network_status_tracker.c
@@ -56,6 +56,20 @@ void grpc_network_status_init(void) {
   // TODO(makarandd): Install callback with OS to monitor network status.
 }
 
+void grpc_destroy_network_status_monitor() {
+  for (endpoint_ll_node *curr = head; curr != NULL;) {
+    endpoint_ll_node *next = curr->next;
+    gpr_free(curr);
+    curr = next;
+  }
+  gpr_mu_destroy(&g_endpoint_mutex);
+}
+
+void grpc_network_status_init(void) {
+  gpr_mu_init(&g_endpoint_mutex);
+  // TODO(makarandd): Install callback with OS to monitor network status.
+}
+
 void grpc_network_status_register_endpoint(grpc_endpoint *ep) {
   gpr_mu_lock(&g_endpoint_mutex);
   if (head == NULL) {
diff --git a/src/core/lib/iomgr/udp_server.c b/src/core/lib/iomgr/udp_server.c
index 1ebccf2ee2..48032412a2 100644
--- a/src/core/lib/iomgr/udp_server.c
+++ b/src/core/lib/iomgr/udp_server.c
@@ -60,6 +60,7 @@
 #include <grpc/support/string_util.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/time.h>
+#include "src/core/lib/iomgr/error.h"
 #include "src/core/lib/iomgr/ev_posix.h"
 #include "src/core/lib/iomgr/resolve_address.h"
 #include "src/core/lib/iomgr/sockaddr_utils.h"
@@ -128,7 +129,7 @@ grpc_udp_server *grpc_udp_server_create(void) {
 }
 
 static void finish_shutdown(grpc_exec_ctx *exec_ctx, grpc_udp_server *s) {
-  grpc_exec_ctx_enqueue(exec_ctx, s->shutdown_complete, 1, NULL);
+  grpc_exec_ctx_sched(exec_ctx, s->shutdown_complete, GRPC_ERROR_NONE, NULL);
 
   gpr_mu_destroy(&s->mu);
   gpr_cv_destroy(&s->cv);
@@ -138,7 +139,7 @@ static void finish_shutdown(grpc_exec_ctx *exec_ctx, grpc_udp_server *s) {
 }
 
 static void destroyed_port(grpc_exec_ctx *exec_ctx, void *server,
-                           bool success) {
+                           grpc_error *error) {
   grpc_udp_server *s = server;
   gpr_mu_lock(&s->mu);
   s->destroyed_ports++;
@@ -217,14 +218,23 @@ static int prepare_socket(int fd, const struct sockaddr *addr,
     goto error;
   }
 
-  if (!grpc_set_socket_nonblocking(fd, 1) || !grpc_set_socket_cloexec(fd, 1)) {
-    gpr_log(GPR_ERROR, "Unable to configure socket %d: %s", fd,
-            strerror(errno));
+  if (grpc_set_socket_nonblocking(fd, 1) != GRPC_ERROR_NONE) {
+    gpr_log(GPR_ERROR, "Unable to set nonblocking %d: %s", fd, strerror(errno));
+    goto error;
+  }
+  if (grpc_set_socket_cloexec(fd, 1) != GRPC_ERROR_NONE) {
+    gpr_log(GPR_ERROR, "Unable to set cloexec %d: %s", fd, strerror(errno));
+    goto error;
   }
 
-  if (grpc_set_socket_ip_pktinfo_if_possible(fd) &&
-      addr->sa_family == AF_INET6) {
-    grpc_set_socket_ipv6_recvpktinfo_if_possible(fd);
+  if (grpc_set_socket_ip_pktinfo_if_possible(fd) != GRPC_ERROR_NONE) {
+    gpr_log(GPR_ERROR, "Unable to set ip_pktinfo.");
+    goto error;
+  } else if (addr->sa_family == AF_INET6) {
+    if (grpc_set_socket_ipv6_recvpktinfo_if_possible(fd) != GRPC_ERROR_NONE) {
+      gpr_log(GPR_ERROR, "Unable to set ipv6_recvpktinfo.");
+      goto error;
+    }
   }
 
   GPR_ASSERT(addr_len < ~(socklen_t)0);
@@ -241,13 +251,13 @@ static int prepare_socket(int fd, const struct sockaddr *addr,
     goto error;
   }
 
-  if (!grpc_set_socket_sndbuf(fd, buffer_size_bytes)) {
+  if (grpc_set_socket_sndbuf(fd, buffer_size_bytes) != GRPC_ERROR_NONE) {
     gpr_log(GPR_ERROR, "Failed to set send buffer size to %d bytes",
             buffer_size_bytes);
     goto error;
   }
 
-  if (!grpc_set_socket_rcvbuf(fd, buffer_size_bytes)) {
+  if (grpc_set_socket_rcvbuf(fd, buffer_size_bytes) != GRPC_ERROR_NONE) {
     gpr_log(GPR_ERROR, "Failed to set receive buffer size to %d bytes",
             buffer_size_bytes);
     goto error;
@@ -263,10 +273,10 @@ error:
 }
 
 /* event manager callback when reads are ready */
-static void on_read(grpc_exec_ctx *exec_ctx, void *arg, bool success) {
+static void on_read(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) {
   server_port *sp = arg;
 
-  if (!success) {
+  if (error != GRPC_ERROR_NONE) {
     gpr_mu_lock(&sp->server->mu);
     if (0 == --sp->server->active_ports) {
       gpr_mu_unlock(&sp->server->mu);
@@ -369,7 +379,8 @@ int grpc_udp_server_add_port(grpc_udp_server *s, const void *addr,
     /* Try listening on IPv6 first. */
     addr = (struct sockaddr *)&wild6;
     addr_len = sizeof(wild6);
-    fd = grpc_create_dualstack_socket(addr, SOCK_DGRAM, IPPROTO_UDP, &dsmode);
+    // TODO(rjshade): Test and propagate the returned grpc_error*:
+    grpc_create_dualstack_socket(addr, SOCK_DGRAM, IPPROTO_UDP, &dsmode, &fd);
     allocated_port1 =
         add_socket_to_server(s, fd, addr, addr_len, read_cb, orphan_cb);
     if (fd >= 0 && dsmode == GRPC_DSMODE_DUALSTACK) {
@@ -384,7 +395,8 @@ int grpc_udp_server_add_port(grpc_udp_server *s, const void *addr,
     addr_len = sizeof(wild4);
   }
 
-  fd = grpc_create_dualstack_socket(addr, SOCK_DGRAM, IPPROTO_UDP, &dsmode);
+  // TODO(rjshade): Test and propagate the returned grpc_error*:
+  grpc_create_dualstack_socket(addr, SOCK_DGRAM, IPPROTO_UDP, &dsmode, &fd);
   if (fd < 0) {
     gpr_log(GPR_ERROR, "Unable to create socket: %s", strerror(errno));
   }
diff --git a/src/core/lib/support/log.c b/src/core/lib/support/log.c
index bae0957df7..899f1218b6 100644
--- a/src/core/lib/support/log.c
+++ b/src/core/lib/support/log.c
@@ -79,17 +79,18 @@ void gpr_set_log_verbosity(gpr_log_severity min_severity_to_print) {
 
 void gpr_log_verbosity_init() {
   char *verbosity = gpr_getenv("GRPC_VERBOSITY");
-  if (verbosity == NULL) return;
 
-  gpr_atm min_severity_to_print = GPR_LOG_VERBOSITY_UNSET;
-  if (strcmp(verbosity, "DEBUG") == 0) {
-    min_severity_to_print = (gpr_atm)GPR_LOG_SEVERITY_DEBUG;
-  } else if (strcmp(verbosity, "INFO") == 0) {
-    min_severity_to_print = (gpr_atm)GPR_LOG_SEVERITY_INFO;
-  } else if (strcmp(verbosity, "ERROR") == 0) {
-    min_severity_to_print = (gpr_atm)GPR_LOG_SEVERITY_ERROR;
+  gpr_atm min_severity_to_print = GPR_LOG_SEVERITY_ERROR;
+  if (verbosity != NULL) {
+    if (strcmp(verbosity, "DEBUG") == 0) {
+      min_severity_to_print = (gpr_atm)GPR_LOG_SEVERITY_DEBUG;
+    } else if (strcmp(verbosity, "INFO") == 0) {
+      min_severity_to_print = (gpr_atm)GPR_LOG_SEVERITY_INFO;
+    } else if (strcmp(verbosity, "ERROR") == 0) {
+      min_severity_to_print = (gpr_atm)GPR_LOG_SEVERITY_ERROR;
+    }
+    gpr_free(verbosity);
   }
-  gpr_free(verbosity);
   if ((gpr_atm_no_barrier_load(&g_min_severity_to_print)) ==
       GPR_LOG_VERBOSITY_UNSET) {
     gpr_atm_no_barrier_store(&g_min_severity_to_print, min_severity_to_print);