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/*
*
* Copyright 2015 gRPC authors.
*
* 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
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* 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.
*
*/
#include "src/core/ext/filters/client_channel/resolver.h"
#include "src/core/lib/iomgr/combiner.h"
#ifndef NDEBUG
grpc_tracer_flag grpc_trace_resolver_refcount =
GRPC_TRACER_INITIALIZER(false, "resolver_refcount");
#endif
void grpc_resolver_init(grpc_resolver* resolver,
const grpc_resolver_vtable* vtable,
grpc_combiner* combiner) {
resolver->vtable = vtable;
resolver->combiner = GRPC_COMBINER_REF(combiner, "resolver");
gpr_ref_init(&resolver->refs, 1);
}
#ifndef NDEBUG
void grpc_resolver_ref(grpc_resolver* resolver, const char* file, int line,
const char* reason) {
if (GRPC_TRACER_ON(grpc_trace_resolver_refcount)) {
gpr_atm old_refs = gpr_atm_no_barrier_load(&resolver->refs.count);
gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG,
"RESOLVER:%p ref %" PRIdPTR " -> %" PRIdPTR " %s", resolver,
old_refs, old_refs + 1, reason);
}
#else
void grpc_resolver_ref(grpc_resolver* resolver) {
#endif
gpr_ref(&resolver->refs);
}
#ifndef NDEBUG
void grpc_resolver_unref(grpc_exec_ctx* exec_ctx, grpc_resolver* resolver,
const char* file, int line, const char* reason) {
if (GRPC_TRACER_ON(grpc_trace_resolver_refcount)) {
gpr_atm old_refs = gpr_atm_no_barrier_load(&resolver->refs.count);
gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG,
"RESOLVER:%p unref %" PRIdPTR " -> %" PRIdPTR " %s", resolver,
old_refs, old_refs - 1, reason);
}
#else
void grpc_resolver_unref(grpc_exec_ctx* exec_ctx, grpc_resolver* resolver) {
#endif
if (gpr_unref(&resolver->refs)) {
grpc_combiner* combiner = resolver->combiner;
resolver->vtable->destroy(exec_ctx, resolver);
GRPC_COMBINER_UNREF(exec_ctx, combiner, "resolver");
}
}
void grpc_resolver_shutdown_locked(grpc_exec_ctx* exec_ctx,
grpc_resolver* resolver) {
resolver->vtable->shutdown_locked(exec_ctx, resolver);
}
void grpc_resolver_channel_saw_error_locked(grpc_exec_ctx* exec_ctx,
grpc_resolver* resolver) {
resolver->vtable->channel_saw_error_locked(exec_ctx, resolver);
}
void grpc_resolver_next_locked(grpc_exec_ctx* exec_ctx, grpc_resolver* resolver,
grpc_channel_args** result,
grpc_closure* on_complete) {
resolver->vtable->next_locked(exec_ctx, resolver, result, on_complete);
}
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