1 /* 2 * Copyright (C) 2009-2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #define LOG_TAG "FrameworkClient" 18 19 #include <alloca.h> 20 #include <errno.h> 21 #include <pthread.h> 22 #include <sys/types.h> 23 24 #include <android/log.h> 25 #include <sysutils/FrameworkClient.h> 26 27 FrameworkClient::FrameworkClient(int socket) { 28 mSocket = socket; 29 pthread_mutex_init(&mWriteMutex, NULL); 30 } 31 32 int FrameworkClient::sendMsg(const char *msg) { 33 int ret; 34 if (mSocket < 0) { 35 errno = EHOSTUNREACH; 36 return -1; 37 } 38 39 pthread_mutex_lock(&mWriteMutex); 40 ret = TEMP_FAILURE_RETRY(write(mSocket, msg, strlen(msg) +1)); 41 if (ret < 0) { 42 SLOGW("Unable to send msg '%s' (%s)", msg, strerror(errno)); 43 } 44 pthread_mutex_unlock(&mWriteMutex); 45 return 0; 46 } 47 48 int FrameworkClient::sendMsg(const char *msg, const char *data) { 49 size_t bufflen = strlen(msg) + strlen(data) + 1; 50 char *buffer = (char *) alloca(bufflen); 51 if (!buffer) { 52 errno = -ENOMEM; 53 return -1; 54 } 55 snprintf(buffer, bufflen, "%s%s", msg, data); 56 return sendMsg(buffer); 57 } 58 59