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Diffstat (limited to 'src/core/lib/iomgr/tcp_uv.c')
-rw-r--r--src/core/lib/iomgr/tcp_uv.c75
1 files changed, 31 insertions, 44 deletions
diff --git a/src/core/lib/iomgr/tcp_uv.c b/src/core/lib/iomgr/tcp_uv.c
index dc23e4f521..7c21b44e76 100644
--- a/src/core/lib/iomgr/tcp_uv.c
+++ b/src/core/lib/iomgr/tcp_uv.c
@@ -1,33 +1,18 @@
/*
*
- * Copyright 2016, Google Inc.
- * All rights reserved.
+ * Copyright 2016 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.
*
*/
@@ -84,16 +69,18 @@ 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 %" PRIiPTR " -> %" PRIiPTR, 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);
}
@@ -101,9 +88,12 @@ 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 %" PRIiPTR " -> %" PRIiPTR, 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
@@ -176,7 +166,7 @@ static void read_callback(uv_stream_t *stream, ssize_t nread,
// nread < 0: Error
error = GRPC_ERROR_CREATE_FROM_STATIC_STRING("TCP Read failed");
}
- grpc_closure_sched(&exec_ctx, cb, error);
+ GRPC_CLOSURE_SCHED(&exec_ctx, cb, error);
grpc_exec_ctx_finish(&exec_ctx);
}
@@ -198,7 +188,7 @@ static void uv_endpoint_read(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
error =
grpc_error_set_str(error, GRPC_ERROR_STR_OS_ERROR,
grpc_slice_from_static_string(uv_strerror(status)));
- grpc_closure_sched(exec_ctx, cb, error);
+ GRPC_CLOSURE_SCHED(exec_ctx, cb, error);
}
if (GRPC_TRACER_ON(grpc_tcp_trace)) {
const char *str = grpc_error_string(error);
@@ -225,7 +215,7 @@ static void write_callback(uv_write_t *req, int status) {
gpr_free(tcp->write_buffers);
grpc_resource_user_free(&exec_ctx, tcp->resource_user,
sizeof(uv_buf_t) * tcp->write_slices->count);
- grpc_closure_sched(&exec_ctx, cb, error);
+ GRPC_CLOSURE_SCHED(&exec_ctx, cb, error);
grpc_exec_ctx_finish(&exec_ctx);
}
@@ -251,7 +241,7 @@ static void uv_endpoint_write(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
}
if (tcp->shutting_down) {
- grpc_closure_sched(exec_ctx, cb, GRPC_ERROR_CREATE_FROM_STATIC_STRING(
+ GRPC_CLOSURE_SCHED(exec_ctx, cb, GRPC_ERROR_CREATE_FROM_STATIC_STRING(
"TCP socket is shutting down"));
return;
}
@@ -262,7 +252,7 @@ static void uv_endpoint_write(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
if (tcp->write_slices->count == 0) {
// No slices means we don't have to do anything,
// and libuv doesn't like empty writes
- grpc_closure_sched(exec_ctx, cb, GRPC_ERROR_NONE);
+ GRPC_CLOSURE_SCHED(exec_ctx, cb, GRPC_ERROR_NONE);
return;
}
@@ -333,15 +323,12 @@ static grpc_resource_user *uv_get_resource_user(grpc_endpoint *ep) {
return tcp->resource_user;
}
-static grpc_workqueue *uv_get_workqueue(grpc_endpoint *ep) { return NULL; }
-
static int uv_get_fd(grpc_endpoint *ep) { return -1; }
static grpc_endpoint_vtable vtable = {
- uv_endpoint_read, uv_endpoint_write, uv_get_workqueue,
- uv_add_to_pollset, uv_add_to_pollset_set, uv_endpoint_shutdown,
- uv_destroy, uv_get_resource_user, uv_get_peer,
- uv_get_fd};
+ uv_endpoint_read, uv_endpoint_write, uv_add_to_pollset,
+ uv_add_to_pollset_set, uv_endpoint_shutdown, uv_destroy,
+ uv_get_resource_user, uv_get_peer, uv_get_fd};
grpc_endpoint *grpc_tcp_create(uv_tcp_t *handle,
grpc_resource_quota *resource_quota,
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-18 21:06:19 +0000