chromium/third_party/grpc/src/src/core/ext/filters/client_channel/lb_policy/child_policy_handler.cc

//
// Copyright 2018 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/child_policy_handler.h"

#include <memory>
#include <string>

#include "absl/status/status.h"
#include "absl/strings/str_cat.h"
#include "absl/strings/string_view.h"

#include <grpc/event_engine/event_engine.h>
#include <grpc/impl/connectivity_state.h>
#include <grpc/support/log.h>

#include "src/core/lib/channel/channel_args.h"
#include "src/core/lib/config/core_configuration.h"
#include "src/core/lib/gprpp/debug_location.h"
#include "src/core/lib/iomgr/pollset_set.h"
#include "src/core/lib/load_balancing/lb_policy_registry.h"
#include "src/core/lib/load_balancing/subchannel_interface.h"
#include "src/core/lib/resolver/server_address.h"
#include "src/core/lib/transport/connectivity_state.h"

namespace grpc_core {

//
// ChildPolicyHandler::Helper
//

class ChildPolicyHandler::Helper
    : public LoadBalancingPolicy::ChannelControlHelper { … };

//
// ChildPolicyHandler
//

void ChildPolicyHandler::ShutdownLocked() { … }

absl::Status ChildPolicyHandler::UpdateLocked(UpdateArgs args) { … }

void ChildPolicyHandler::ExitIdleLocked() { … }

void ChildPolicyHandler::ResetBackoffLocked() { … }

OrphanablePtr<LoadBalancingPolicy> ChildPolicyHandler::CreateChildPolicy(
    absl::string_view child_policy_name, const ChannelArgs& args) { … }

bool ChildPolicyHandler::ConfigChangeRequiresNewPolicyInstance(
    LoadBalancingPolicy::Config* old_config,
    LoadBalancingPolicy::Config* new_config) const { … }

OrphanablePtr<LoadBalancingPolicy>
ChildPolicyHandler::CreateLoadBalancingPolicy(
    absl::string_view name, LoadBalancingPolicy::Args args) const { … }

}  // namespace grpc_core