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Diffstat (limited to 'src/core/lib/iomgr/tcp_windows.c')
-rw-r--r--src/core/lib/iomgr/tcp_windows.c92
1 files changed, 39 insertions, 53 deletions
diff --git a/src/core/lib/iomgr/tcp_windows.c b/src/core/lib/iomgr/tcp_windows.c
index bdd4dd07af..6704a158ce 100644
--- a/src/core/lib/iomgr/tcp_windows.c
+++ b/src/core/lib/iomgr/tcp_windows.c
@@ -1,33 +1,18 @@
/*
*
- * Copyright 2015, Google Inc.
- * All rights reserved.
+ * Copyright 2015 gRPC authors.
*
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
*
- * * 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.
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * 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.
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
*
*/
@@ -63,6 +48,8 @@
#define GRPC_FIONBIO FIONBIO
#endif
+grpc_tracer_flag grpc_tcp_trace = GRPC_TRACER_INITIALIZER(false);
+
static grpc_error *set_non_block(SOCKET sock) {
int status;
uint32_t param = 1;
@@ -130,15 +117,18 @@ static void tcp_free(grpc_exec_ctx *exec_ctx, grpc_tcp *tcp) {
gpr_free(tcp);
}
-/*#define GRPC_TCP_REFCOUNT_DEBUG*/
-#ifdef GRPC_TCP_REFCOUNT_DEBUG
+#ifndef NDEBUG
#define TCP_UNREF(exec_ctx, tcp, reason) \
tcp_unref((exec_ctx), (tcp), (reason), __FILE__, __LINE__)
#define TCP_REF(tcp, reason) tcp_ref((tcp), (reason), __FILE__, __LINE__)
static void tcp_unref(grpc_exec_ctx *exec_ctx, grpc_tcp *tcp,
const char *reason, const char *file, int line) {
- gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG, "TCP unref %p : %s %d -> %d", tcp,
- reason, tcp->refcount.count, tcp->refcount.count - 1);
+ if (GRPC_TRACER_ON(grpc_tcp_trace)) {
+ gpr_atm val = gpr_atm_no_barrier_load(&tcp->refcount.count);
+ gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG,
+ "TCP unref %p : %s %" PRIdPTR " -> %" PRIdPTR, tcp, reason, val,
+ val - 1);
+ }
if (gpr_unref(&tcp->refcount)) {
tcp_free(exec_ctx, tcp);
}
@@ -146,8 +136,12 @@ static void tcp_unref(grpc_exec_ctx *exec_ctx, grpc_tcp *tcp,
static void tcp_ref(grpc_tcp *tcp, const char *reason, const char *file,
int line) {
- gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG, "TCP ref %p : %s %d -> %d", tcp,
- reason, tcp->refcount.count, tcp->refcount.count + 1);
+ if (GRPC_TRACER_ON(grpc_tcp_trace)) {
+ gpr_atm val = gpr_atm_no_barrier_load(&tcp->refcount.count);
+ gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG,
+ "TCP ref %p : %s %" PRIdPTR " -> %" PRIdPTR, tcp, reason, val,
+ val + 1);
+ }
gpr_ref(&tcp->refcount);
}
#else
@@ -194,7 +188,7 @@ static void on_read(grpc_exec_ctx *exec_ctx, void *tcpp, grpc_error *error) {
tcp->read_cb = NULL;
TCP_UNREF(exec_ctx, tcp, "read");
- grpc_closure_sched(exec_ctx, cb, error);
+ GRPC_CLOSURE_SCHED(exec_ctx, cb, error);
}
static void win_read(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
@@ -208,7 +202,7 @@ static void win_read(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
WSABUF buffer;
if (tcp->shutting_down) {
- grpc_closure_sched(
+ GRPC_CLOSURE_SCHED(
exec_ctx, cb,
GRPC_ERROR_CREATE_REFERENCING_FROM_STATIC_STRING(
"TCP socket is shutting down", &tcp->shutdown_error, 1));
@@ -235,7 +229,7 @@ static void win_read(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
/* Did we get data immediately ? Yay. */
if (info->wsa_error != WSAEWOULDBLOCK) {
info->bytes_transfered = bytes_read;
- grpc_closure_sched(exec_ctx, &tcp->on_read, GRPC_ERROR_NONE);
+ GRPC_CLOSURE_SCHED(exec_ctx, &tcp->on_read, GRPC_ERROR_NONE);
return;
}
@@ -248,7 +242,7 @@ static void win_read(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
int wsa_error = WSAGetLastError();
if (wsa_error != WSA_IO_PENDING) {
info->wsa_error = wsa_error;
- grpc_closure_sched(exec_ctx, &tcp->on_read,
+ GRPC_CLOSURE_SCHED(exec_ctx, &tcp->on_read,
GRPC_WSA_ERROR(info->wsa_error, "WSARecv"));
return;
}
@@ -280,7 +274,7 @@ static void on_write(grpc_exec_ctx *exec_ctx, void *tcpp, grpc_error *error) {
}
TCP_UNREF(exec_ctx, tcp, "write");
- grpc_closure_sched(exec_ctx, cb, error);
+ GRPC_CLOSURE_SCHED(exec_ctx, cb, error);
}
/* Initiates a write. */
@@ -298,7 +292,7 @@ static void win_write(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
size_t len;
if (tcp->shutting_down) {
- grpc_closure_sched(
+ GRPC_CLOSURE_SCHED(
exec_ctx, cb,
GRPC_ERROR_CREATE_REFERENCING_FROM_STATIC_STRING(
"TCP socket is shutting down", &tcp->shutdown_error, 1));
@@ -332,7 +326,7 @@ static void win_write(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
grpc_error *error = status == 0
? GRPC_ERROR_NONE
: GRPC_WSA_ERROR(info->wsa_error, "WSASend");
- grpc_closure_sched(exec_ctx, cb, error);
+ GRPC_CLOSURE_SCHED(exec_ctx, cb, error);
if (allocated) gpr_free(allocated);
return;
}
@@ -350,7 +344,7 @@ static void win_write(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
int wsa_error = WSAGetLastError();
if (wsa_error != WSA_IO_PENDING) {
TCP_UNREF(exec_ctx, tcp, "write");
- grpc_closure_sched(exec_ctx, cb, GRPC_WSA_ERROR(wsa_error, "WSASend"));
+ GRPC_CLOSURE_SCHED(exec_ctx, cb, GRPC_WSA_ERROR(wsa_error, "WSASend"));
return;
}
}
@@ -410,8 +404,6 @@ static char *win_get_peer(grpc_endpoint *ep) {
return gpr_strdup(tcp->peer_string);
}
-static grpc_workqueue *win_get_workqueue(grpc_endpoint *ep) { return NULL; }
-
static grpc_resource_user *win_get_resource_user(grpc_endpoint *ep) {
grpc_tcp *tcp = (grpc_tcp *)ep;
return tcp->resource_user;
@@ -419,16 +411,10 @@ static grpc_resource_user *win_get_resource_user(grpc_endpoint *ep) {
static int win_get_fd(grpc_endpoint *ep) { return -1; }
-static grpc_endpoint_vtable vtable = {win_read,
- win_write,
- win_get_workqueue,
- win_add_to_pollset,
- win_add_to_pollset_set,
- win_shutdown,
- win_destroy,
- win_get_resource_user,
- win_get_peer,
- win_get_fd};
+static grpc_endpoint_vtable vtable = {
+ win_read, win_write, win_add_to_pollset, win_add_to_pollset_set,
+ win_shutdown, win_destroy, win_get_resource_user, win_get_peer,
+ win_get_fd};
grpc_endpoint *grpc_tcp_create(grpc_exec_ctx *exec_ctx, grpc_winsocket *socket,
grpc_channel_args *channel_args,
@@ -449,8 +435,8 @@ grpc_endpoint *grpc_tcp_create(grpc_exec_ctx *exec_ctx, grpc_winsocket *socket,
tcp->socket = socket;
gpr_mu_init(&tcp->mu);
gpr_ref_init(&tcp->refcount, 1);
- grpc_closure_init(&tcp->on_read, on_read, tcp, grpc_schedule_on_exec_ctx);
- grpc_closure_init(&tcp->on_write, on_write, tcp, grpc_schedule_on_exec_ctx);
+ GRPC_CLOSURE_INIT(&tcp->on_read, on_read, tcp, grpc_schedule_on_exec_ctx);
+ GRPC_CLOSURE_INIT(&tcp->on_write, on_write, tcp, grpc_schedule_on_exec_ctx);
tcp->peer_string = gpr_strdup(peer_string);
tcp->resource_user = grpc_resource_user_create(resource_quota, peer_string);
/* Tell network status tracking code about the new endpoint */
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-19 03:11:47 +0000