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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 <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
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