main.cc

/*
 *
 * Copyright (C) 2023 The Android Open Source Project
 *
 * 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 <android-base/logging.h>
#include <android-base/strings.h>
#include <sys/eventfd.h>
#include <sys/msg.h>
#include <wmediumd/wmediumd.h>
#include <wmediumd_server/wmediumd_server.h>

#include <string>
#include <thread>
#include <vector>

constexpr char kGrpcUdsPathOption[] = "--grpc_uds_path=";

int main(int argc, char* argv[]) {
  std::vector<char*> wmediumd_args;
  std::string grpc_uds_path;
  for (int i = 0; i < argc; i++) {
    if (android::base::StartsWith(argv[i], kGrpcUdsPathOption)) {
      std::string current_arg(argv[i]);
      grpc_uds_path = current_arg.substr(strlen(kGrpcUdsPathOption));
    } else {
      wmediumd_args.push_back(argv[i]);
    }
  }

  int fd = eventfd(0, 0);
  int msq_id = msgget(IPC_PRIVATE, IPC_CREAT | 0666);

  std::thread wmediumd_server_thread;
  if (!grpc_uds_path.empty()) {
    wmediumd_server_thread =
        std::thread(RunWmediumdServer, grpc_uds_path, fd, msq_id);
  }

  wmediumd_main(wmediumd_args.size(), wmediumd_args.data(), fd, msq_id);

  if (!grpc_uds_path.empty()) {
    wmediumd_server_thread.join();
  }

  msgctl(msq_id, IPC_RMID, 0);
  close(fd);
  return 0;
}