San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 1 | /* |
Mark Salyzyn | 23f0410 | 2012-01-24 20:30:10 -0800 | [diff] [blame] | 2 | * Copyright (C) 2008-2014 The Android Open Source Project |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 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 | #include <stdio.h> |
| 17 | #include <errno.h> |
| 18 | #include <stdlib.h> |
| 19 | #include <sys/socket.h> |
| 20 | #include <sys/select.h> |
| 21 | #include <sys/time.h> |
| 22 | #include <sys/types.h> |
| 23 | #include <sys/un.h> |
| 24 | |
| 25 | #define LOG_TAG "SocketListener" |
| 26 | #include <cutils/log.h> |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 27 | #include <cutils/sockets.h> |
| 28 | |
| 29 | #include <sysutils/SocketListener.h> |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 30 | #include <sysutils/SocketClient.h> |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 31 | |
Mark Salyzyn | 44b99c2 | 2014-01-08 12:44:23 -0800 | [diff] [blame^] | 32 | #define CtrlPipe_Shutdown 0 |
| 33 | #define CtrlPipe_Wakeup 1 |
| 34 | |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 35 | SocketListener::SocketListener(const char *socketName, bool listen) { |
Robert Greenwalt | 8702bb1 | 2012-02-07 12:23:14 -0800 | [diff] [blame] | 36 | init(socketName, -1, listen, false); |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 37 | } |
| 38 | |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 39 | SocketListener::SocketListener(int socketFd, bool listen) { |
Robert Greenwalt | 8702bb1 | 2012-02-07 12:23:14 -0800 | [diff] [blame] | 40 | init(NULL, socketFd, listen, false); |
| 41 | } |
| 42 | |
| 43 | SocketListener::SocketListener(const char *socketName, bool listen, bool useCmdNum) { |
| 44 | init(socketName, -1, listen, useCmdNum); |
| 45 | } |
| 46 | |
| 47 | void SocketListener::init(const char *socketName, int socketFd, bool listen, bool useCmdNum) { |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 48 | mListen = listen; |
Robert Greenwalt | 8702bb1 | 2012-02-07 12:23:14 -0800 | [diff] [blame] | 49 | mSocketName = socketName; |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 50 | mSock = socketFd; |
Robert Greenwalt | 8702bb1 | 2012-02-07 12:23:14 -0800 | [diff] [blame] | 51 | mUseCmdNum = useCmdNum; |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 52 | pthread_mutex_init(&mClientsLock, NULL); |
| 53 | mClients = new SocketClientCollection(); |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 54 | } |
| 55 | |
San Mehat | c4a895b | 2009-06-23 21:10:57 -0700 | [diff] [blame] | 56 | SocketListener::~SocketListener() { |
| 57 | if (mSocketName && mSock > -1) |
| 58 | close(mSock); |
| 59 | |
| 60 | if (mCtrlPipe[0] != -1) { |
| 61 | close(mCtrlPipe[0]); |
| 62 | close(mCtrlPipe[1]); |
| 63 | } |
| 64 | SocketClientCollection::iterator it; |
David 'Digit' Turner | 100c0e2 | 2011-01-17 03:10:31 +0100 | [diff] [blame] | 65 | for (it = mClients->begin(); it != mClients->end();) { |
Brad Fitzpatrick | 13aa8ad | 2011-03-17 15:41:20 -0700 | [diff] [blame] | 66 | (*it)->decRef(); |
San Mehat | c4a895b | 2009-06-23 21:10:57 -0700 | [diff] [blame] | 67 | it = mClients->erase(it); |
| 68 | } |
| 69 | delete mClients; |
| 70 | } |
| 71 | |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 72 | int SocketListener::startListener() { |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 73 | |
| 74 | if (!mSocketName && mSock == -1) { |
San Mehat | 7e8529a | 2010-03-25 09:31:42 -0700 | [diff] [blame] | 75 | SLOGE("Failed to start unbound listener"); |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 76 | errno = EINVAL; |
| 77 | return -1; |
| 78 | } else if (mSocketName) { |
| 79 | if ((mSock = android_get_control_socket(mSocketName)) < 0) { |
San Mehat | 7e8529a | 2010-03-25 09:31:42 -0700 | [diff] [blame] | 80 | SLOGE("Obtaining file descriptor socket '%s' failed: %s", |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 81 | mSocketName, strerror(errno)); |
| 82 | return -1; |
| 83 | } |
Robert Greenwalt | 8702bb1 | 2012-02-07 12:23:14 -0800 | [diff] [blame] | 84 | SLOGV("got mSock = %d for %s", mSock, mSocketName); |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 85 | } |
| 86 | |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 87 | if (mListen && listen(mSock, 4) < 0) { |
San Mehat | 7e8529a | 2010-03-25 09:31:42 -0700 | [diff] [blame] | 88 | SLOGE("Unable to listen on socket (%s)", strerror(errno)); |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 89 | return -1; |
San Mehat | df6c1b9 | 2009-05-13 08:58:43 -0700 | [diff] [blame] | 90 | } else if (!mListen) |
Robert Greenwalt | 8702bb1 | 2012-02-07 12:23:14 -0800 | [diff] [blame] | 91 | mClients->push_back(new SocketClient(mSock, false, mUseCmdNum)); |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 92 | |
San Mehat | c4a895b | 2009-06-23 21:10:57 -0700 | [diff] [blame] | 93 | if (pipe(mCtrlPipe)) { |
San Mehat | 7e8529a | 2010-03-25 09:31:42 -0700 | [diff] [blame] | 94 | SLOGE("pipe failed (%s)", strerror(errno)); |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 95 | return -1; |
San Mehat | c4a895b | 2009-06-23 21:10:57 -0700 | [diff] [blame] | 96 | } |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 97 | |
San Mehat | c4a895b | 2009-06-23 21:10:57 -0700 | [diff] [blame] | 98 | if (pthread_create(&mThread, NULL, SocketListener::threadStart, this)) { |
San Mehat | 7e8529a | 2010-03-25 09:31:42 -0700 | [diff] [blame] | 99 | SLOGE("pthread_create (%s)", strerror(errno)); |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 100 | return -1; |
San Mehat | c4a895b | 2009-06-23 21:10:57 -0700 | [diff] [blame] | 101 | } |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 102 | |
| 103 | return 0; |
| 104 | } |
| 105 | |
| 106 | int SocketListener::stopListener() { |
Mark Salyzyn | 44b99c2 | 2014-01-08 12:44:23 -0800 | [diff] [blame^] | 107 | char c = CtrlPipe_Shutdown; |
David 'Digit' Turner | 100c0e2 | 2011-01-17 03:10:31 +0100 | [diff] [blame] | 108 | int rc; |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 109 | |
David 'Digit' Turner | 100c0e2 | 2011-01-17 03:10:31 +0100 | [diff] [blame] | 110 | rc = TEMP_FAILURE_RETRY(write(mCtrlPipe[1], &c, 1)); |
| 111 | if (rc != 1) { |
San Mehat | 7e8529a | 2010-03-25 09:31:42 -0700 | [diff] [blame] | 112 | SLOGE("Error writing to control pipe (%s)", strerror(errno)); |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 113 | return -1; |
| 114 | } |
| 115 | |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 116 | void *ret; |
| 117 | if (pthread_join(mThread, &ret)) { |
San Mehat | 7e8529a | 2010-03-25 09:31:42 -0700 | [diff] [blame] | 118 | SLOGE("Error joining to listener thread (%s)", strerror(errno)); |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 119 | return -1; |
| 120 | } |
San Mehat | dbdb0db | 2009-05-12 15:50:26 -0700 | [diff] [blame] | 121 | close(mCtrlPipe[0]); |
| 122 | close(mCtrlPipe[1]); |
San Mehat | c4a895b | 2009-06-23 21:10:57 -0700 | [diff] [blame] | 123 | mCtrlPipe[0] = -1; |
| 124 | mCtrlPipe[1] = -1; |
| 125 | |
| 126 | if (mSocketName && mSock > -1) { |
| 127 | close(mSock); |
| 128 | mSock = -1; |
| 129 | } |
| 130 | |
| 131 | SocketClientCollection::iterator it; |
David 'Digit' Turner | 100c0e2 | 2011-01-17 03:10:31 +0100 | [diff] [blame] | 132 | for (it = mClients->begin(); it != mClients->end();) { |
San Mehat | c4a895b | 2009-06-23 21:10:57 -0700 | [diff] [blame] | 133 | delete (*it); |
| 134 | it = mClients->erase(it); |
| 135 | } |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 136 | return 0; |
| 137 | } |
| 138 | |
| 139 | void *SocketListener::threadStart(void *obj) { |
| 140 | SocketListener *me = reinterpret_cast<SocketListener *>(obj); |
| 141 | |
| 142 | me->runListener(); |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 143 | pthread_exit(NULL); |
| 144 | return NULL; |
| 145 | } |
| 146 | |
| 147 | void SocketListener::runListener() { |
| 148 | |
Mark Salyzyn | 44b99c2 | 2014-01-08 12:44:23 -0800 | [diff] [blame^] | 149 | SocketClientCollection pendingList; |
David 'Digit' Turner | 100c0e2 | 2011-01-17 03:10:31 +0100 | [diff] [blame] | 150 | |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 151 | while(1) { |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 152 | SocketClientCollection::iterator it; |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 153 | fd_set read_fds; |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 154 | int rc = 0; |
David 'Digit' Turner | 100c0e2 | 2011-01-17 03:10:31 +0100 | [diff] [blame] | 155 | int max = -1; |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 156 | |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 157 | FD_ZERO(&read_fds); |
| 158 | |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 159 | if (mListen) { |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 160 | max = mSock; |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 161 | FD_SET(mSock, &read_fds); |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 162 | } |
| 163 | |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 164 | FD_SET(mCtrlPipe[0], &read_fds); |
| 165 | if (mCtrlPipe[0] > max) |
| 166 | max = mCtrlPipe[0]; |
| 167 | |
| 168 | pthread_mutex_lock(&mClientsLock); |
| 169 | for (it = mClients->begin(); it != mClients->end(); ++it) { |
Mark Salyzyn | 23f0410 | 2012-01-24 20:30:10 -0800 | [diff] [blame] | 170 | // NB: calling out to an other object with mClientsLock held (safe) |
David 'Digit' Turner | 100c0e2 | 2011-01-17 03:10:31 +0100 | [diff] [blame] | 171 | int fd = (*it)->getSocket(); |
| 172 | FD_SET(fd, &read_fds); |
Mark Salyzyn | 44b99c2 | 2014-01-08 12:44:23 -0800 | [diff] [blame^] | 173 | if (fd > max) { |
David 'Digit' Turner | 100c0e2 | 2011-01-17 03:10:31 +0100 | [diff] [blame] | 174 | max = fd; |
Mark Salyzyn | 44b99c2 | 2014-01-08 12:44:23 -0800 | [diff] [blame^] | 175 | } |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 176 | } |
| 177 | pthread_mutex_unlock(&mClientsLock); |
Robert Greenwalt | 8702bb1 | 2012-02-07 12:23:14 -0800 | [diff] [blame] | 178 | SLOGV("mListen=%d, max=%d, mSocketName=%s", mListen, max, mSocketName); |
San Mehat | df6c1b9 | 2009-05-13 08:58:43 -0700 | [diff] [blame] | 179 | if ((rc = select(max + 1, &read_fds, NULL, NULL, NULL)) < 0) { |
David 'Digit' Turner | 100c0e2 | 2011-01-17 03:10:31 +0100 | [diff] [blame] | 180 | if (errno == EINTR) |
| 181 | continue; |
Robert Greenwalt | 8702bb1 | 2012-02-07 12:23:14 -0800 | [diff] [blame] | 182 | SLOGE("select failed (%s) mListen=%d, max=%d", strerror(errno), mListen, max); |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 183 | sleep(1); |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 184 | continue; |
San Mehat | df6c1b9 | 2009-05-13 08:58:43 -0700 | [diff] [blame] | 185 | } else if (!rc) |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 186 | continue; |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 187 | |
Mark Salyzyn | 44b99c2 | 2014-01-08 12:44:23 -0800 | [diff] [blame^] | 188 | if (FD_ISSET(mCtrlPipe[0], &read_fds)) { |
| 189 | char c = CtrlPipe_Shutdown; |
| 190 | TEMP_FAILURE_RETRY(read(mCtrlPipe[0], &c, 1)); |
| 191 | if (c == CtrlPipe_Shutdown) { |
| 192 | break; |
| 193 | } |
| 194 | continue; |
| 195 | } |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 196 | if (mListen && FD_ISSET(mSock, &read_fds)) { |
| 197 | struct sockaddr addr; |
David 'Digit' Turner | 100c0e2 | 2011-01-17 03:10:31 +0100 | [diff] [blame] | 198 | socklen_t alen; |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 199 | int c; |
| 200 | |
David 'Digit' Turner | 100c0e2 | 2011-01-17 03:10:31 +0100 | [diff] [blame] | 201 | do { |
| 202 | alen = sizeof(addr); |
| 203 | c = accept(mSock, &addr, &alen); |
Robert Greenwalt | 8702bb1 | 2012-02-07 12:23:14 -0800 | [diff] [blame] | 204 | SLOGV("%s got %d from accept", mSocketName, c); |
David 'Digit' Turner | 100c0e2 | 2011-01-17 03:10:31 +0100 | [diff] [blame] | 205 | } while (c < 0 && errno == EINTR); |
| 206 | if (c < 0) { |
San Mehat | 7e8529a | 2010-03-25 09:31:42 -0700 | [diff] [blame] | 207 | SLOGE("accept failed (%s)", strerror(errno)); |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 208 | sleep(1); |
| 209 | continue; |
| 210 | } |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 211 | pthread_mutex_lock(&mClientsLock); |
Robert Greenwalt | 8702bb1 | 2012-02-07 12:23:14 -0800 | [diff] [blame] | 212 | mClients->push_back(new SocketClient(c, true, mUseCmdNum)); |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 213 | pthread_mutex_unlock(&mClientsLock); |
| 214 | } |
| 215 | |
David 'Digit' Turner | 100c0e2 | 2011-01-17 03:10:31 +0100 | [diff] [blame] | 216 | /* Add all active clients to the pending list first */ |
Mark Salyzyn | 44b99c2 | 2014-01-08 12:44:23 -0800 | [diff] [blame^] | 217 | pendingList.clear(); |
David 'Digit' Turner | 100c0e2 | 2011-01-17 03:10:31 +0100 | [diff] [blame] | 218 | pthread_mutex_lock(&mClientsLock); |
| 219 | for (it = mClients->begin(); it != mClients->end(); ++it) { |
Mark Salyzyn | 23f0410 | 2012-01-24 20:30:10 -0800 | [diff] [blame] | 220 | SocketClient* c = *it; |
| 221 | // NB: calling out to an other object with mClientsLock held (safe) |
| 222 | int fd = c->getSocket(); |
David 'Digit' Turner | 100c0e2 | 2011-01-17 03:10:31 +0100 | [diff] [blame] | 223 | if (FD_ISSET(fd, &read_fds)) { |
Mark Salyzyn | 44b99c2 | 2014-01-08 12:44:23 -0800 | [diff] [blame^] | 224 | pendingList.push_back(c); |
Mark Salyzyn | 23f0410 | 2012-01-24 20:30:10 -0800 | [diff] [blame] | 225 | c->incRef(); |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 226 | } |
David 'Digit' Turner | 100c0e2 | 2011-01-17 03:10:31 +0100 | [diff] [blame] | 227 | } |
| 228 | pthread_mutex_unlock(&mClientsLock); |
| 229 | |
| 230 | /* Process the pending list, since it is owned by the thread, |
| 231 | * there is no need to lock it */ |
Mark Salyzyn | 44b99c2 | 2014-01-08 12:44:23 -0800 | [diff] [blame^] | 232 | while (!pendingList.empty()) { |
David 'Digit' Turner | 100c0e2 | 2011-01-17 03:10:31 +0100 | [diff] [blame] | 233 | /* Pop the first item from the list */ |
Mark Salyzyn | 44b99c2 | 2014-01-08 12:44:23 -0800 | [diff] [blame^] | 234 | it = pendingList.begin(); |
David 'Digit' Turner | 100c0e2 | 2011-01-17 03:10:31 +0100 | [diff] [blame] | 235 | SocketClient* c = *it; |
Mark Salyzyn | 44b99c2 | 2014-01-08 12:44:23 -0800 | [diff] [blame^] | 236 | pendingList.erase(it); |
| 237 | /* Process it, if false is returned, remove from list */ |
| 238 | if (!onDataAvailable(c)) { |
| 239 | release(c, false); |
David 'Digit' Turner | 100c0e2 | 2011-01-17 03:10:31 +0100 | [diff] [blame] | 240 | } |
Mark Salyzyn | 23f0410 | 2012-01-24 20:30:10 -0800 | [diff] [blame] | 241 | c->decRef(); |
David 'Digit' Turner | 100c0e2 | 2011-01-17 03:10:31 +0100 | [diff] [blame] | 242 | } |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 243 | } |
Mark Salyzyn | 44b99c2 | 2014-01-08 12:44:23 -0800 | [diff] [blame^] | 244 | } |
| 245 | |
| 246 | bool SocketListener::release(SocketClient* c, bool wakeup) { |
| 247 | bool ret = false; |
| 248 | /* if our sockets are connection-based, remove and destroy it */ |
| 249 | if (mListen && c) { |
| 250 | /* Remove the client from our array */ |
| 251 | SLOGV("going to zap %d for %s", c->getSocket(), mSocketName); |
| 252 | pthread_mutex_lock(&mClientsLock); |
| 253 | SocketClientCollection::iterator it; |
| 254 | for (it = mClients->begin(); it != mClients->end(); ++it) { |
| 255 | if (*it == c) { |
| 256 | mClients->erase(it); |
| 257 | ret = true; |
| 258 | break; |
| 259 | } |
| 260 | } |
| 261 | pthread_mutex_unlock(&mClientsLock); |
| 262 | if (ret) { |
| 263 | ret = c->decRef(); |
| 264 | if (wakeup) { |
| 265 | char b = CtrlPipe_Wakeup; |
| 266 | TEMP_FAILURE_RETRY(write(mCtrlPipe[1], &b, 1)); |
| 267 | } |
| 268 | } |
| 269 | } |
| 270 | return ret; |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 271 | } |
| 272 | |
San Mehat | db01754 | 2009-05-20 15:27:14 -0700 | [diff] [blame] | 273 | void SocketListener::sendBroadcast(int code, const char *msg, bool addErrno) { |
Mark Salyzyn | 23f0410 | 2012-01-24 20:30:10 -0800 | [diff] [blame] | 274 | SocketClientCollection safeList; |
| 275 | |
| 276 | /* Add all active clients to the safe list first */ |
| 277 | safeList.clear(); |
San Mehat | d768066 | 2009-05-12 11:16:59 -0700 | [diff] [blame] | 278 | pthread_mutex_lock(&mClientsLock); |
| 279 | SocketClientCollection::iterator i; |
| 280 | |
| 281 | for (i = mClients->begin(); i != mClients->end(); ++i) { |
Mark Salyzyn | 23f0410 | 2012-01-24 20:30:10 -0800 | [diff] [blame] | 282 | SocketClient* c = *i; |
| 283 | c->incRef(); |
| 284 | safeList.push_back(c); |
Guang Zhu | a8185a6 | 2012-02-07 19:13:28 -0800 | [diff] [blame] | 285 | } |
| 286 | pthread_mutex_unlock(&mClientsLock); |
Mark Salyzyn | 23f0410 | 2012-01-24 20:30:10 -0800 | [diff] [blame] | 287 | |
| 288 | while (!safeList.empty()) { |
| 289 | /* Pop the first item from the list */ |
| 290 | i = safeList.begin(); |
| 291 | SocketClient* c = *i; |
| 292 | safeList.erase(i); |
| 293 | // broadcasts are unsolicited and should not include a cmd number |
| 294 | if (c->sendMsg(code, msg, addErrno, false)) { |
| 295 | SLOGW("Error sending broadcast (%s)", strerror(errno)); |
| 296 | } |
| 297 | c->decRef(); |
| 298 | } |
| 299 | } |
| 300 | |
| 301 | void SocketListener::runOnEachSocket(SocketClientCommand *command) { |
| 302 | SocketClientCollection safeList; |
| 303 | |
| 304 | /* Add all active clients to the safe list first */ |
| 305 | safeList.clear(); |
| 306 | pthread_mutex_lock(&mClientsLock); |
| 307 | SocketClientCollection::iterator i; |
| 308 | |
| 309 | for (i = mClients->begin(); i != mClients->end(); ++i) { |
| 310 | SocketClient* c = *i; |
| 311 | c->incRef(); |
| 312 | safeList.push_back(c); |
| 313 | } |
| 314 | pthread_mutex_unlock(&mClientsLock); |
| 315 | |
| 316 | while (!safeList.empty()) { |
| 317 | /* Pop the first item from the list */ |
| 318 | i = safeList.begin(); |
| 319 | SocketClient* c = *i; |
| 320 | safeList.erase(i); |
| 321 | command->runSocketCommand(c); |
| 322 | c->decRef(); |
| 323 | } |
Guang Zhu | a8185a6 | 2012-02-07 19:13:28 -0800 | [diff] [blame] | 324 | } |