xref: /aosp_15_r20/external/wmediumd/main.cc (revision 621120a22a0cd8ba80b131fe8bcb37c86ff453e3)
1 /*
2  *
3  * Copyright (C) 2023 The Android Open Source Project
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at
8  *
9  *     http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  *
17  */
18 
19 #include <android-base/logging.h>
20 #include <android-base/strings.h>
21 #include <sys/eventfd.h>
22 #include <sys/msg.h>
23 #include <wmediumd/wmediumd.h>
24 #include <wmediumd_server/wmediumd_server.h>
25 
26 #include <string>
27 #include <thread>
28 #include <vector>
29 
30 constexpr char kGrpcUdsPathOption[] = "--grpc_uds_path=";
31 
main(int argc,char * argv[])32 int main(int argc, char* argv[]) {
33   std::vector<char*> wmediumd_args;
34   std::string grpc_uds_path;
35   for (int i = 0; i < argc; i++) {
36     if (android::base::StartsWith(argv[i], kGrpcUdsPathOption)) {
37       std::string current_arg(argv[i]);
38       grpc_uds_path = current_arg.substr(strlen(kGrpcUdsPathOption));
39     } else {
40       wmediumd_args.push_back(argv[i]);
41     }
42   }
43 
44   int fd = eventfd(0, 0);
45   int msq_id = msgget(IPC_PRIVATE, IPC_CREAT | 0666);
46 
47   std::thread wmediumd_server_thread;
48   if (!grpc_uds_path.empty()) {
49     wmediumd_server_thread =
50         std::thread(RunWmediumdServer, grpc_uds_path, fd, msq_id);
51   }
52 
53   wmediumd_main(wmediumd_args.size(), wmediumd_args.data(), fd, msq_id);
54 
55   if (!grpc_uds_path.empty()) {
56     wmediumd_server_thread.join();
57   }
58 
59   msgctl(msq_id, IPC_RMID, 0);
60   close(fd);
61   return 0;
62 }