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69 lines
2.0 KiB
69 lines
2.0 KiB
4 months ago
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/*
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* Copyright (C) 2020 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <sys/socket.h>
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// Needs to be included after sys/socket.h
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#include <linux/vm_sockets.h>
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#include <iostream>
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#include "android-base/file.h"
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#include "android-base/logging.h"
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#include "android-base/parseint.h"
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#include "android-base/unique_fd.h"
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using namespace android::base;
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int main(int argc, const char *argv[]) {
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SetLogger(StderrLogger);
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unsigned int cid, port;
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if (argc != 4 || !ParseUint(argv[1], &cid) || !ParseUint(argv[2], &port)) {
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LOG(ERROR) << "Usage: " << argv[0] << " <cid> <port> <msg>";
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return EXIT_FAILURE;
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}
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std::string msg(argv[3]);
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unique_fd fd(TEMP_FAILURE_RETRY(socket(AF_VSOCK, SOCK_STREAM, 0)));
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if (fd < 0) {
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PLOG(ERROR) << "socket";
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return EXIT_FAILURE;
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}
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struct sockaddr_vm sa = (struct sockaddr_vm){
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.svm_family = AF_VSOCK,
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.svm_port = port,
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.svm_cid = cid,
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};
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LOG(INFO) << "Connecting to CID " << cid << " on port " << port << "...";
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int ret = TEMP_FAILURE_RETRY(connect(fd, (struct sockaddr *)&sa, sizeof(sa)));
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if (ret < 0) {
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PLOG(ERROR) << "connect";
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return EXIT_FAILURE;
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}
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LOG(INFO) << "Sending message to server...";
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if (!WriteStringToFd(msg, fd)) {
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PLOG(ERROR) << "WriteStringToFd";
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return EXIT_FAILURE;
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}
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LOG(INFO) << "Exiting...";
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return EXIT_SUCCESS;
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}
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