cartographer/cartographer_grpc/framework/rpc.cc

80 lines
2.1 KiB
C++

/*
* Copyright 2017 The Cartographer 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 "cartographer_grpc/framework/rpc.h"
#include "glog/logging.h"
#include "grpc++/impl/codegen/service_type.h"
namespace cartographer_grpc {
namespace framework {
Rpc::Rpc(const RpcHandlerInfo& rpc_handler_info)
: rpc_handler_info_(rpc_handler_info) {}
::grpc::internal::RpcMethod::RpcType Rpc::rpc_type() const {
return rpc_handler_info_.rpc_type;
}
::grpc::internal::ServerAsyncStreamingInterface* Rpc::responder() {
LOG(FATAL) << "Not yet implemented";
return nullptr;
}
Rpc::RpcState* Rpc::GetState(State state) {
switch (state) {
case State::NEW_CONNECTION:
return &new_connection_state_;
case State::READ:
return &read_state_;
case State::WRITE:
return &write_state_;
case State::DONE:
return &done_state_;
}
LOG(FATAL) << "Never reached.";
}
ActiveRpcs::ActiveRpcs() : lock_() {}
ActiveRpcs::~ActiveRpcs() {
cartographer::common::MutexLocker locker(&lock_);
if (!rpcs_.empty()) {
LOG(FATAL) << "RPCs still in flight!";
}
}
Rpc* ActiveRpcs::Add(std::unique_ptr<Rpc> rpc) {
cartographer::common::MutexLocker locker(&lock_);
const auto result = rpcs_.emplace(rpc.release());
CHECK(result.second) << "RPC already active.";
return *result.first;
}
bool ActiveRpcs::Remove(Rpc* rpc) {
cartographer::common::MutexLocker locker(&lock_);
auto it = rpcs_.find(rpc);
if (it != rpcs_.end()) {
delete rpc;
rpcs_.erase(it);
return true;
}
return false;
}
} // namespace framework
} // namespace cartographer_grpc