| /* |
| * |
| * 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 <grpc/support/port_platform.h> |
| |
| #include "src/core/ext/filters/client_channel/lb_policy.h" |
| #include "src/core/lib/iomgr/combiner.h" |
| |
| grpc_core::DebugOnlyTraceFlag grpc_trace_lb_policy_refcount( |
| false, "lb_policy_refcount"); |
| |
| namespace grpc_core { |
| |
| LoadBalancingPolicy::LoadBalancingPolicy(const Args& args) |
| : InternallyRefCounted(&grpc_trace_lb_policy_refcount), |
| combiner_(GRPC_COMBINER_REF(args.combiner, "lb_policy")), |
| client_channel_factory_(args.client_channel_factory), |
| interested_parties_(grpc_pollset_set_create()), |
| request_reresolution_(nullptr) {} |
| |
| LoadBalancingPolicy::~LoadBalancingPolicy() { |
| grpc_pollset_set_destroy(interested_parties_); |
| GRPC_COMBINER_UNREF(combiner_, "lb_policy"); |
| } |
| |
| void LoadBalancingPolicy::TryReresolutionLocked( |
| grpc_core::TraceFlag* grpc_lb_trace, grpc_error* error) { |
| if (request_reresolution_ != nullptr) { |
| GRPC_CLOSURE_SCHED(request_reresolution_, error); |
| request_reresolution_ = nullptr; |
| if (grpc_lb_trace->enabled()) { |
| gpr_log(GPR_INFO, |
| "%s %p: scheduling re-resolution closure with error=%s.", |
| grpc_lb_trace->name(), this, grpc_error_string(error)); |
| } |
| } else { |
| if (grpc_lb_trace->enabled()) { |
| gpr_log(GPR_INFO, "%s %p: no available re-resolution closure.", |
| grpc_lb_trace->name(), this); |
| } |
| } |
| } |
| |
| } // namespace grpc_core |