// Copyright (c) 2021 PaddlePaddle Authors. All Rights Reserved.
//
// 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.
#if defined(PADDLE_WITH_DISTRIBUTE)
#include "paddle/fluid/distributed/fleet_executor/message_service.h"

#include "brpc/server.h"
#include "paddle/fluid/distributed/fleet_executor/global.h"
#include "paddle/fluid/distributed/fleet_executor/message_bus.h"

namespace paddle {
namespace distributed {

void MessageServiceImpl::ReceiveInterceptorMessage(
    google::protobuf::RpcController* control_base,
    const InterceptorMessage* request,
    InterceptorResponse* response,
    google::protobuf::Closure* done) {
  brpc::ClosureGuard done_guard(done);
  VLOG(3) << "Message Service receives a message from interceptor "
          << request->src_id() << " to interceptor " << request->dst_id()
          << ", with the message: " << request->message_type();
  bool flag = GlobalVal<MessageBus>::Get()->DispatchMsgToCarrier(*request);
  response->set_rst(flag);
}

void MessageServiceImpl::IncreaseBarrierCount(
    google::protobuf::RpcController* control_base,
    const InterceptorMessage* request,
    InterceptorResponse* response,
    google::protobuf::Closure* done) {
  brpc::ClosureGuard done_guard(done);
  VLOG(3) << "Barrier Service receives a message from rank "
          << request->src_id() << " to rank " << request->dst_id();
  GlobalVal<MessageBus>::Get()->IncreaseBarrierCount();
  response->set_rst(true);
}

}  // namespace distributed
}  // namespace paddle
#endif