chromium/third_party/grpc/src/src/core/ext/filters/client_channel/health/health_check_client.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/health/health_check_client.h"

#include <stdint.h>
#include <stdio.h>
#include <string.h>

#include <memory>
#include <utility>

#include "absl/status/status.h"
#include "absl/status/statusor.h"
#include "absl/strings/string_view.h"
#include "upb/upb.h"
#include "upb/upb.hpp"

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

#include "src/core/lib/channel/channel_trace.h"
#include "src/core/lib/debug/trace.h"
#include "src/core/lib/slice/slice.h"
#include "src/proto/grpc/health/v1/health.upb.h"

namespace grpc_core {

TraceFlag grpc_health_check_client_trace(false, "health_check_client");

namespace {

class HealthStreamEventHandler
    : public SubchannelStreamClient::CallEventHandler { … };

}  // namespace

OrphanablePtr<SubchannelStreamClient> MakeHealthCheckClient(
    std::string service_name,
    RefCountedPtr<ConnectedSubchannel> connected_subchannel,
    grpc_pollset_set* interested_parties,
    RefCountedPtr<channelz::SubchannelNode> channelz_node,
    RefCountedPtr<ConnectivityStateWatcherInterface> watcher) { … }

}  // namespace grpc_core