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Diffstat (limited to 'src/core/lib/transport/metadata.c')
-rw-r--r--src/core/lib/transport/metadata.c171
1 files changed, 86 insertions, 85 deletions
diff --git a/src/core/lib/transport/metadata.c b/src/core/lib/transport/metadata.c
index f2417d8c4e..87a2abf344 100644
--- a/src/core/lib/transport/metadata.c
+++ b/src/core/lib/transport/metadata.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.
*
*/
@@ -62,7 +47,8 @@
* used to determine which kind of element a pointer refers to.
*/
-#ifdef GRPC_METADATA_REFCOUNT_DEBUG
+#ifndef NDEBUG
+grpc_tracer_flag grpc_trace_metadata = GRPC_TRACER_INITIALIZER(false);
#define DEBUG_ARGS , const char *file, int line
#define FWD_DEBUG_ARGS , file, line
#define REF_MD_LOCKED(shard, s) ref_md_locked((shard), (s), __FILE__, __LINE__)
@@ -159,15 +145,17 @@ static int is_mdelem_static(grpc_mdelem e) {
static void ref_md_locked(mdtab_shard *shard,
interned_metadata *md DEBUG_ARGS) {
-#ifdef GRPC_METADATA_REFCOUNT_DEBUG
- char *key_str = grpc_slice_to_c_string(md->key);
- char *value_str = grpc_slice_to_c_string(md->value);
- gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG,
- "ELM REF:%p:%zu->%zu: '%s' = '%s'", (void *)md,
- gpr_atm_no_barrier_load(&md->refcnt),
- gpr_atm_no_barrier_load(&md->refcnt) + 1, key_str, value_str);
- gpr_free(key_str);
- gpr_free(value_str);
+#ifndef NDEBUG
+ if (GRPC_TRACER_ON(grpc_trace_metadata)) {
+ char *key_str = grpc_slice_to_c_string(md->key);
+ char *value_str = grpc_slice_to_c_string(md->value);
+ gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG,
+ "ELM REF:%p:%" PRIdPTR "->%" PRIdPTR ": '%s' = '%s'", (void *)md,
+ gpr_atm_no_barrier_load(&md->refcnt),
+ gpr_atm_no_barrier_load(&md->refcnt) + 1, key_str, value_str);
+ gpr_free(key_str);
+ gpr_free(value_str);
+ }
#endif
if (0 == gpr_atm_no_barrier_fetch_add(&md->refcnt, 1)) {
gpr_atm_no_barrier_fetch_add(&shard->free_estimate, -1);
@@ -258,13 +246,16 @@ grpc_mdelem grpc_mdelem_create(
allocated->key = grpc_slice_ref_internal(key);
allocated->value = grpc_slice_ref_internal(value);
gpr_atm_rel_store(&allocated->refcnt, 1);
-#ifdef GRPC_METADATA_REFCOUNT_DEBUG
- char *key_str = grpc_slice_to_c_string(allocated->key);
- char *value_str = grpc_slice_to_c_string(allocated->value);
- gpr_log(GPR_DEBUG, "ELM ALLOC:%p:%zu: '%s' = '%s'", (void *)allocated,
- gpr_atm_no_barrier_load(&allocated->refcnt), key_str, value_str);
- gpr_free(key_str);
- gpr_free(value_str);
+#ifndef NDEBUG
+ if (GRPC_TRACER_ON(grpc_trace_metadata)) {
+ char *key_str = grpc_slice_to_c_string(allocated->key);
+ char *value_str = grpc_slice_to_c_string(allocated->value);
+ gpr_log(GPR_DEBUG, "ELM ALLOC:%p:%" PRIdPTR ": '%s' = '%s'",
+ (void *)allocated, gpr_atm_no_barrier_load(&allocated->refcnt),
+ key_str, value_str);
+ gpr_free(key_str);
+ gpr_free(value_str);
+ }
#endif
return GRPC_MAKE_MDELEM(allocated, GRPC_MDELEM_STORAGE_ALLOCATED);
}
@@ -309,13 +300,15 @@ grpc_mdelem grpc_mdelem_create(
md->bucket_next = shard->elems[idx];
shard->elems[idx] = md;
gpr_mu_init(&md->mu_user_data);
-#ifdef GRPC_METADATA_REFCOUNT_DEBUG
- char *key_str = grpc_slice_to_c_string(md->key);
- char *value_str = grpc_slice_to_c_string(md->value);
- gpr_log(GPR_DEBUG, "ELM NEW:%p:%zu: '%s' = '%s'", (void *)md,
- gpr_atm_no_barrier_load(&md->refcnt), key_str, value_str);
- gpr_free(key_str);
- gpr_free(value_str);
+#ifndef NDEBUG
+ if (GRPC_TRACER_ON(grpc_trace_metadata)) {
+ char *key_str = grpc_slice_to_c_string(md->key);
+ char *value_str = grpc_slice_to_c_string(md->value);
+ gpr_log(GPR_DEBUG, "ELM NEW:%p:%" PRIdPTR ": '%s' = '%s'", (void *)md,
+ gpr_atm_no_barrier_load(&md->refcnt), key_str, value_str);
+ gpr_free(key_str);
+ gpr_free(value_str);
+ }
#endif
shard->count++;
@@ -371,15 +364,17 @@ grpc_mdelem grpc_mdelem_ref(grpc_mdelem gmd DEBUG_ARGS) {
break;
case GRPC_MDELEM_STORAGE_INTERNED: {
interned_metadata *md = (interned_metadata *)GRPC_MDELEM_DATA(gmd);
-#ifdef GRPC_METADATA_REFCOUNT_DEBUG
- char *key_str = grpc_slice_to_c_string(md->key);
- char *value_str = grpc_slice_to_c_string(md->value);
- gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG,
- "ELM REF:%p:%zu->%zu: '%s' = '%s'", (void *)md,
- gpr_atm_no_barrier_load(&md->refcnt),
- gpr_atm_no_barrier_load(&md->refcnt) + 1, key_str, value_str);
- gpr_free(key_str);
- gpr_free(value_str);
+#ifndef NDEBUG
+ if (GRPC_TRACER_ON(grpc_trace_metadata)) {
+ char *key_str = grpc_slice_to_c_string(md->key);
+ char *value_str = grpc_slice_to_c_string(md->value);
+ gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG,
+ "ELM REF:%p:%" PRIdPTR "->%" PRIdPTR ": '%s' = '%s'",
+ (void *)md, gpr_atm_no_barrier_load(&md->refcnt),
+ gpr_atm_no_barrier_load(&md->refcnt) + 1, key_str, value_str);
+ gpr_free(key_str);
+ gpr_free(value_str);
+ }
#endif
/* we can assume the ref count is >= 1 as the application is calling
this function - meaning that no adjustment to mdtab_free is necessary,
@@ -391,15 +386,17 @@ grpc_mdelem grpc_mdelem_ref(grpc_mdelem gmd DEBUG_ARGS) {
}
case GRPC_MDELEM_STORAGE_ALLOCATED: {
allocated_metadata *md = (allocated_metadata *)GRPC_MDELEM_DATA(gmd);
-#ifdef GRPC_METADATA_REFCOUNT_DEBUG
- char *key_str = grpc_slice_to_c_string(md->key);
- char *value_str = grpc_slice_to_c_string(md->value);
- gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG,
- "ELM REF:%p:%zu->%zu: '%s' = '%s'", (void *)md,
- gpr_atm_no_barrier_load(&md->refcnt),
- gpr_atm_no_barrier_load(&md->refcnt) + 1, key_str, value_str);
- gpr_free(key_str);
- gpr_free(value_str);
+#ifndef NDEBUG
+ if (GRPC_TRACER_ON(grpc_trace_metadata)) {
+ char *key_str = grpc_slice_to_c_string(md->key);
+ char *value_str = grpc_slice_to_c_string(md->value);
+ gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG,
+ "ELM REF:%p:%" PRIdPTR "->%" PRIdPTR ": '%s' = '%s'",
+ (void *)md, gpr_atm_no_barrier_load(&md->refcnt),
+ gpr_atm_no_barrier_load(&md->refcnt) + 1, key_str, value_str);
+ gpr_free(key_str);
+ gpr_free(value_str);
+ }
#endif
/* we can assume the ref count is >= 1 as the application is calling
this function - meaning that no adjustment to mdtab_free is necessary,
@@ -419,15 +416,17 @@ void grpc_mdelem_unref(grpc_exec_ctx *exec_ctx, grpc_mdelem gmd DEBUG_ARGS) {
break;
case GRPC_MDELEM_STORAGE_INTERNED: {
interned_metadata *md = (interned_metadata *)GRPC_MDELEM_DATA(gmd);
-#ifdef GRPC_METADATA_REFCOUNT_DEBUG
- char *key_str = grpc_slice_to_c_string(md->key);
- char *value_str = grpc_slice_to_c_string(md->value);
- gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG,
- "ELM UNREF:%p:%zu->%zu: '%s' = '%s'", (void *)md,
- gpr_atm_no_barrier_load(&md->refcnt),
- gpr_atm_no_barrier_load(&md->refcnt) - 1, key_str, value_str);
- gpr_free(key_str);
- gpr_free(value_str);
+#ifndef NDEBUG
+ if (GRPC_TRACER_ON(grpc_trace_metadata)) {
+ char *key_str = grpc_slice_to_c_string(md->key);
+ char *value_str = grpc_slice_to_c_string(md->value);
+ gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG,
+ "ELM UNREF:%p:%" PRIdPTR "->%" PRIdPTR ": '%s' = '%s'",
+ (void *)md, gpr_atm_no_barrier_load(&md->refcnt),
+ gpr_atm_no_barrier_load(&md->refcnt) - 1, key_str, value_str);
+ gpr_free(key_str);
+ gpr_free(value_str);
+ }
#endif
uint32_t hash = GRPC_MDSTR_KV_HASH(grpc_slice_hash(md->key),
grpc_slice_hash(md->value));
@@ -443,15 +442,17 @@ void grpc_mdelem_unref(grpc_exec_ctx *exec_ctx, grpc_mdelem gmd DEBUG_ARGS) {
}
case GRPC_MDELEM_STORAGE_ALLOCATED: {
allocated_metadata *md = (allocated_metadata *)GRPC_MDELEM_DATA(gmd);
-#ifdef GRPC_METADATA_REFCOUNT_DEBUG
- char *key_str = grpc_slice_to_c_string(md->key);
- char *value_str = grpc_slice_to_c_string(md->value);
- gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG,
- "ELM UNREF:%p:%zu->%zu: '%s' = '%s'", (void *)md,
- gpr_atm_no_barrier_load(&md->refcnt),
- gpr_atm_no_barrier_load(&md->refcnt) - 1, key_str, value_str);
- gpr_free(key_str);
- gpr_free(value_str);
+#ifndef NDEBUG
+ if (GRPC_TRACER_ON(grpc_trace_metadata)) {
+ char *key_str = grpc_slice_to_c_string(md->key);
+ char *value_str = grpc_slice_to_c_string(md->value);
+ gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG,
+ "ELM UNREF:%p:%" PRIdPTR "->%" PRIdPTR ": '%s' = '%s'",
+ (void *)md, gpr_atm_no_barrier_load(&md->refcnt),
+ gpr_atm_no_barrier_load(&md->refcnt) - 1, key_str, value_str);
+ gpr_free(key_str);
+ gpr_free(value_str);
+ }
#endif
const gpr_atm prev_refcount = gpr_atm_full_fetch_add(&md->refcnt, -1);
GPR_ASSERT(prev_refcount >= 1);
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-18 21:12:45 +0000