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
FrameworkClient(int socket)27 FrameworkClient::FrameworkClient(int socket) {
28 mSocket = socket;
29 pthread_mutex_init(&mWriteMutex, NULL);
30 }
31
sendMsg(const char * msg)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
sendMsg(const char * msg,const char * data)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