| /* |
| * Copyright (C) 2020 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 <sys/socket.h> |
| |
| // Needs to be included after sys/socket.h |
| #include <linux/vm_sockets.h> |
| |
| #include <iostream> |
| |
| #include "android-base/file.h" |
| #include "android-base/logging.h" |
| #include "android-base/parseint.h" |
| #include "android-base/unique_fd.h" |
| |
| using namespace android::base; |
| |
| int main(int argc, const char *argv[]) { |
| SetLogger(StderrLogger); |
| |
| unsigned int cid, port; |
| if (argc != 4 || !ParseUint(argv[1], &cid) || !ParseUint(argv[2], &port)) { |
| LOG(ERROR) << "Usage: " << argv[0] << " <cid> <port> <msg>"; |
| return EXIT_FAILURE; |
| } |
| std::string msg(argv[3]); |
| |
| unique_fd fd(TEMP_FAILURE_RETRY(socket(AF_VSOCK, SOCK_STREAM, 0))); |
| if (fd < 0) { |
| PLOG(ERROR) << "socket"; |
| return EXIT_FAILURE; |
| } |
| |
| struct sockaddr_vm sa = (struct sockaddr_vm){ |
| .svm_family = AF_VSOCK, |
| .svm_port = port, |
| .svm_cid = cid, |
| }; |
| |
| LOG(INFO) << "Connecting to CID " << cid << " on port " << port << "..."; |
| int ret = TEMP_FAILURE_RETRY(connect(fd, (struct sockaddr *)&sa, sizeof(sa))); |
| if (ret < 0) { |
| PLOG(ERROR) << "connect"; |
| return EXIT_FAILURE; |
| } |
| |
| LOG(INFO) << "Sending message to server..."; |
| if (!WriteStringToFd(msg, fd)) { |
| PLOG(ERROR) << "WriteStringToFd"; |
| return EXIT_FAILURE; |
| } |
| |
| LOG(INFO) << "Exiting..."; |
| return EXIT_SUCCESS; |
| } |