| /* |
| * |
| * 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" |
| |
| grpc_core::DebugOnlyTraceFlag grpc_trace_resolver_refcount(false, |
| "resolver_refcount"); |
| |
| 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_trace_resolver_refcount.enabled()) { |
| 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_resolver* resolver, const char* file, int line, |
| const char* reason) { |
| if (grpc_trace_resolver_refcount.enabled()) { |
| 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_resolver* resolver) { |
| #endif |
| if (gpr_unref(&resolver->refs)) { |
| grpc_combiner* combiner = resolver->combiner; |
| resolver->vtable->destroy(resolver); |
| GRPC_COMBINER_UNREF(combiner, "resolver"); |
| } |
| } |
| |
| void grpc_resolver_shutdown_locked(grpc_resolver* resolver) { |
| resolver->vtable->shutdown_locked(resolver); |
| } |
| |
| void grpc_resolver_channel_saw_error_locked(grpc_resolver* resolver) { |
| resolver->vtable->channel_saw_error_locked(resolver); |
| } |
| |
| void grpc_resolver_next_locked(grpc_resolver* resolver, |
| grpc_channel_args** result, |
| grpc_closure* on_complete) { |
| resolver->vtable->next_locked(resolver, result, on_complete); |
| } |