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() { |
Mark Salyzyn | 581edc1 | 2013-11-20 13:38:52 -0800 | [diff] [blame] | 73 | return startListener(4); |
| 74 | } |
| 75 | |
| 76 | int SocketListener::startListener(int backlog) { |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 77 | |
| 78 | if (!mSocketName && mSock == -1) { |
San Mehat | 7e8529a | 2010-03-25 09:31:42 -0700 | [diff] [blame] | 79 | SLOGE("Failed to start unbound listener"); |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 80 | errno = EINVAL; |
| 81 | return -1; |
| 82 | } else if (mSocketName) { |
| 83 | if ((mSock = android_get_control_socket(mSocketName)) < 0) { |
San Mehat | 7e8529a | 2010-03-25 09:31:42 -0700 | [diff] [blame] | 84 | SLOGE("Obtaining file descriptor socket '%s' failed: %s", |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 85 | mSocketName, strerror(errno)); |
| 86 | return -1; |
| 87 | } |
Robert Greenwalt | 8702bb1 | 2012-02-07 12:23:14 -0800 | [diff] [blame] | 88 | SLOGV("got mSock = %d for %s", mSock, mSocketName); |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 89 | } |
| 90 | |
Mark Salyzyn | 581edc1 | 2013-11-20 13:38:52 -0800 | [diff] [blame] | 91 | if (mListen && listen(mSock, backlog) < 0) { |
San Mehat | 7e8529a | 2010-03-25 09:31:42 -0700 | [diff] [blame] | 92 | SLOGE("Unable to listen on socket (%s)", strerror(errno)); |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 93 | return -1; |
San Mehat | df6c1b9 | 2009-05-13 08:58:43 -0700 | [diff] [blame] | 94 | } else if (!mListen) |
Robert Greenwalt | 8702bb1 | 2012-02-07 12:23:14 -0800 | [diff] [blame] | 95 | mClients->push_back(new SocketClient(mSock, false, mUseCmdNum)); |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 96 | |
San Mehat | c4a895b | 2009-06-23 21:10:57 -0700 | [diff] [blame] | 97 | if (pipe(mCtrlPipe)) { |
San Mehat | 7e8529a | 2010-03-25 09:31:42 -0700 | [diff] [blame] | 98 | SLOGE("pipe failed (%s)", strerror(errno)); |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 99 | return -1; |
San Mehat | c4a895b | 2009-06-23 21:10:57 -0700 | [diff] [blame] | 100 | } |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 101 | |
San Mehat | c4a895b | 2009-06-23 21:10:57 -0700 | [diff] [blame] | 102 | if (pthread_create(&mThread, NULL, SocketListener::threadStart, this)) { |
San Mehat | 7e8529a | 2010-03-25 09:31:42 -0700 | [diff] [blame] | 103 | SLOGE("pthread_create (%s)", strerror(errno)); |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 104 | return -1; |
San Mehat | c4a895b | 2009-06-23 21:10:57 -0700 | [diff] [blame] | 105 | } |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 106 | |
| 107 | return 0; |
| 108 | } |
| 109 | |
| 110 | int SocketListener::stopListener() { |
Mark Salyzyn | 44b99c2 | 2014-01-08 12:44:23 -0800 | [diff] [blame] | 111 | char c = CtrlPipe_Shutdown; |
David 'Digit' Turner | 100c0e2 | 2011-01-17 03:10:31 +0100 | [diff] [blame] | 112 | int rc; |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 113 | |
David 'Digit' Turner | 100c0e2 | 2011-01-17 03:10:31 +0100 | [diff] [blame] | 114 | rc = TEMP_FAILURE_RETRY(write(mCtrlPipe[1], &c, 1)); |
| 115 | if (rc != 1) { |
San Mehat | 7e8529a | 2010-03-25 09:31:42 -0700 | [diff] [blame] | 116 | SLOGE("Error writing to control pipe (%s)", strerror(errno)); |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 117 | return -1; |
| 118 | } |
| 119 | |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 120 | void *ret; |
| 121 | if (pthread_join(mThread, &ret)) { |
San Mehat | 7e8529a | 2010-03-25 09:31:42 -0700 | [diff] [blame] | 122 | SLOGE("Error joining to listener thread (%s)", strerror(errno)); |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 123 | return -1; |
| 124 | } |
San Mehat | dbdb0db | 2009-05-12 15:50:26 -0700 | [diff] [blame] | 125 | close(mCtrlPipe[0]); |
| 126 | close(mCtrlPipe[1]); |
San Mehat | c4a895b | 2009-06-23 21:10:57 -0700 | [diff] [blame] | 127 | mCtrlPipe[0] = -1; |
| 128 | mCtrlPipe[1] = -1; |
| 129 | |
| 130 | if (mSocketName && mSock > -1) { |
| 131 | close(mSock); |
| 132 | mSock = -1; |
| 133 | } |
| 134 | |
| 135 | SocketClientCollection::iterator it; |
David 'Digit' Turner | 100c0e2 | 2011-01-17 03:10:31 +0100 | [diff] [blame] | 136 | for (it = mClients->begin(); it != mClients->end();) { |
San Mehat | c4a895b | 2009-06-23 21:10:57 -0700 | [diff] [blame] | 137 | delete (*it); |
| 138 | it = mClients->erase(it); |
| 139 | } |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 140 | return 0; |
| 141 | } |
| 142 | |
| 143 | void *SocketListener::threadStart(void *obj) { |
| 144 | SocketListener *me = reinterpret_cast<SocketListener *>(obj); |
| 145 | |
| 146 | me->runListener(); |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 147 | pthread_exit(NULL); |
| 148 | return NULL; |
| 149 | } |
| 150 | |
| 151 | void SocketListener::runListener() { |
| 152 | |
Mark Salyzyn | 44b99c2 | 2014-01-08 12:44:23 -0800 | [diff] [blame] | 153 | SocketClientCollection pendingList; |
David 'Digit' Turner | 100c0e2 | 2011-01-17 03:10:31 +0100 | [diff] [blame] | 154 | |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 155 | while(1) { |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 156 | SocketClientCollection::iterator it; |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 157 | fd_set read_fds; |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 158 | int rc = 0; |
David 'Digit' Turner | 100c0e2 | 2011-01-17 03:10:31 +0100 | [diff] [blame] | 159 | int max = -1; |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 160 | |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 161 | FD_ZERO(&read_fds); |
| 162 | |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 163 | if (mListen) { |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 164 | max = mSock; |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 165 | FD_SET(mSock, &read_fds); |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 166 | } |
| 167 | |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 168 | FD_SET(mCtrlPipe[0], &read_fds); |
| 169 | if (mCtrlPipe[0] > max) |
| 170 | max = mCtrlPipe[0]; |
| 171 | |
| 172 | pthread_mutex_lock(&mClientsLock); |
| 173 | for (it = mClients->begin(); it != mClients->end(); ++it) { |
Mark Salyzyn | 23f0410 | 2012-01-24 20:30:10 -0800 | [diff] [blame] | 174 | // NB: calling out to an other object with mClientsLock held (safe) |
David 'Digit' Turner | 100c0e2 | 2011-01-17 03:10:31 +0100 | [diff] [blame] | 175 | int fd = (*it)->getSocket(); |
| 176 | FD_SET(fd, &read_fds); |
Mark Salyzyn | 44b99c2 | 2014-01-08 12:44:23 -0800 | [diff] [blame] | 177 | if (fd > max) { |
David 'Digit' Turner | 100c0e2 | 2011-01-17 03:10:31 +0100 | [diff] [blame] | 178 | max = fd; |
Mark Salyzyn | 44b99c2 | 2014-01-08 12:44:23 -0800 | [diff] [blame] | 179 | } |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 180 | } |
| 181 | pthread_mutex_unlock(&mClientsLock); |
Robert Greenwalt | 8702bb1 | 2012-02-07 12:23:14 -0800 | [diff] [blame] | 182 | SLOGV("mListen=%d, max=%d, mSocketName=%s", mListen, max, mSocketName); |
San Mehat | df6c1b9 | 2009-05-13 08:58:43 -0700 | [diff] [blame] | 183 | if ((rc = select(max + 1, &read_fds, NULL, NULL, NULL)) < 0) { |
David 'Digit' Turner | 100c0e2 | 2011-01-17 03:10:31 +0100 | [diff] [blame] | 184 | if (errno == EINTR) |
| 185 | continue; |
Robert Greenwalt | 8702bb1 | 2012-02-07 12:23:14 -0800 | [diff] [blame] | 186 | SLOGE("select failed (%s) mListen=%d, max=%d", strerror(errno), mListen, max); |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 187 | sleep(1); |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 188 | continue; |
San Mehat | df6c1b9 | 2009-05-13 08:58:43 -0700 | [diff] [blame] | 189 | } else if (!rc) |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 190 | continue; |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 191 | |
Mark Salyzyn | 44b99c2 | 2014-01-08 12:44:23 -0800 | [diff] [blame] | 192 | if (FD_ISSET(mCtrlPipe[0], &read_fds)) { |
| 193 | char c = CtrlPipe_Shutdown; |
| 194 | TEMP_FAILURE_RETRY(read(mCtrlPipe[0], &c, 1)); |
| 195 | if (c == CtrlPipe_Shutdown) { |
| 196 | break; |
| 197 | } |
| 198 | continue; |
| 199 | } |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 200 | if (mListen && FD_ISSET(mSock, &read_fds)) { |
| 201 | struct sockaddr addr; |
David 'Digit' Turner | 100c0e2 | 2011-01-17 03:10:31 +0100 | [diff] [blame] | 202 | socklen_t alen; |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 203 | int c; |
| 204 | |
David 'Digit' Turner | 100c0e2 | 2011-01-17 03:10:31 +0100 | [diff] [blame] | 205 | do { |
| 206 | alen = sizeof(addr); |
| 207 | c = accept(mSock, &addr, &alen); |
Robert Greenwalt | 8702bb1 | 2012-02-07 12:23:14 -0800 | [diff] [blame] | 208 | SLOGV("%s got %d from accept", mSocketName, c); |
David 'Digit' Turner | 100c0e2 | 2011-01-17 03:10:31 +0100 | [diff] [blame] | 209 | } while (c < 0 && errno == EINTR); |
| 210 | if (c < 0) { |
San Mehat | 7e8529a | 2010-03-25 09:31:42 -0700 | [diff] [blame] | 211 | SLOGE("accept failed (%s)", strerror(errno)); |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 212 | sleep(1); |
| 213 | continue; |
| 214 | } |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 215 | pthread_mutex_lock(&mClientsLock); |
Robert Greenwalt | 8702bb1 | 2012-02-07 12:23:14 -0800 | [diff] [blame] | 216 | mClients->push_back(new SocketClient(c, true, mUseCmdNum)); |
San Mehat | fa644ff | 2009-05-08 11:15:53 -0700 | [diff] [blame] | 217 | pthread_mutex_unlock(&mClientsLock); |
| 218 | } |
| 219 | |
David 'Digit' Turner | 100c0e2 | 2011-01-17 03:10:31 +0100 | [diff] [blame] | 220 | /* Add all active clients to the pending list first */ |
Mark Salyzyn | 44b99c2 | 2014-01-08 12:44:23 -0800 | [diff] [blame] | 221 | pendingList.clear(); |
David 'Digit' Turner | 100c0e2 | 2011-01-17 03:10:31 +0100 | [diff] [blame] | 222 | pthread_mutex_lock(&mClientsLock); |
| 223 | for (it = mClients->begin(); it != mClients->end(); ++it) { |
Mark Salyzyn | 23f0410 | 2012-01-24 20:30:10 -0800 | [diff] [blame] | 224 | SocketClient* c = *it; |
| 225 | // NB: calling out to an other object with mClientsLock held (safe) |
| 226 | int fd = c->getSocket(); |
David 'Digit' Turner | 100c0e2 | 2011-01-17 03:10:31 +0100 | [diff] [blame] | 227 | if (FD_ISSET(fd, &read_fds)) { |
Mark Salyzyn | 44b99c2 | 2014-01-08 12:44:23 -0800 | [diff] [blame] | 228 | pendingList.push_back(c); |
Mark Salyzyn | 23f0410 | 2012-01-24 20:30:10 -0800 | [diff] [blame] | 229 | c->incRef(); |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 230 | } |
David 'Digit' Turner | 100c0e2 | 2011-01-17 03:10:31 +0100 | [diff] [blame] | 231 | } |
| 232 | pthread_mutex_unlock(&mClientsLock); |
| 233 | |
| 234 | /* Process the pending list, since it is owned by the thread, |
| 235 | * there is no need to lock it */ |
Mark Salyzyn | 44b99c2 | 2014-01-08 12:44:23 -0800 | [diff] [blame] | 236 | while (!pendingList.empty()) { |
David 'Digit' Turner | 100c0e2 | 2011-01-17 03:10:31 +0100 | [diff] [blame] | 237 | /* Pop the first item from the list */ |
Mark Salyzyn | 44b99c2 | 2014-01-08 12:44:23 -0800 | [diff] [blame] | 238 | it = pendingList.begin(); |
David 'Digit' Turner | 100c0e2 | 2011-01-17 03:10:31 +0100 | [diff] [blame] | 239 | SocketClient* c = *it; |
Mark Salyzyn | 44b99c2 | 2014-01-08 12:44:23 -0800 | [diff] [blame] | 240 | pendingList.erase(it); |
| 241 | /* Process it, if false is returned, remove from list */ |
| 242 | if (!onDataAvailable(c)) { |
| 243 | release(c, false); |
David 'Digit' Turner | 100c0e2 | 2011-01-17 03:10:31 +0100 | [diff] [blame] | 244 | } |
Mark Salyzyn | 23f0410 | 2012-01-24 20:30:10 -0800 | [diff] [blame] | 245 | c->decRef(); |
David 'Digit' Turner | 100c0e2 | 2011-01-17 03:10:31 +0100 | [diff] [blame] | 246 | } |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 247 | } |
Mark Salyzyn | 44b99c2 | 2014-01-08 12:44:23 -0800 | [diff] [blame] | 248 | } |
| 249 | |
| 250 | bool SocketListener::release(SocketClient* c, bool wakeup) { |
| 251 | bool ret = false; |
| 252 | /* if our sockets are connection-based, remove and destroy it */ |
| 253 | if (mListen && c) { |
| 254 | /* Remove the client from our array */ |
| 255 | SLOGV("going to zap %d for %s", c->getSocket(), mSocketName); |
| 256 | pthread_mutex_lock(&mClientsLock); |
| 257 | SocketClientCollection::iterator it; |
| 258 | for (it = mClients->begin(); it != mClients->end(); ++it) { |
| 259 | if (*it == c) { |
| 260 | mClients->erase(it); |
| 261 | ret = true; |
| 262 | break; |
| 263 | } |
| 264 | } |
| 265 | pthread_mutex_unlock(&mClientsLock); |
| 266 | if (ret) { |
| 267 | ret = c->decRef(); |
| 268 | if (wakeup) { |
| 269 | char b = CtrlPipe_Wakeup; |
| 270 | TEMP_FAILURE_RETRY(write(mCtrlPipe[1], &b, 1)); |
| 271 | } |
| 272 | } |
| 273 | } |
| 274 | return ret; |
San Mehat | 168415b | 2009-05-06 11:14:21 -0700 | [diff] [blame] | 275 | } |
| 276 | |
San Mehat | db01754 | 2009-05-20 15:27:14 -0700 | [diff] [blame] | 277 | void SocketListener::sendBroadcast(int code, const char *msg, bool addErrno) { |
Mark Salyzyn | 23f0410 | 2012-01-24 20:30:10 -0800 | [diff] [blame] | 278 | SocketClientCollection safeList; |
| 279 | |
| 280 | /* Add all active clients to the safe list first */ |
| 281 | safeList.clear(); |
San Mehat | d768066 | 2009-05-12 11:16:59 -0700 | [diff] [blame] | 282 | pthread_mutex_lock(&mClientsLock); |
| 283 | SocketClientCollection::iterator i; |
| 284 | |
| 285 | for (i = mClients->begin(); i != mClients->end(); ++i) { |
Mark Salyzyn | 23f0410 | 2012-01-24 20:30:10 -0800 | [diff] [blame] | 286 | SocketClient* c = *i; |
| 287 | c->incRef(); |
| 288 | safeList.push_back(c); |
Guang Zhu | a8185a6 | 2012-02-07 19:13:28 -0800 | [diff] [blame] | 289 | } |
| 290 | pthread_mutex_unlock(&mClientsLock); |
Mark Salyzyn | 23f0410 | 2012-01-24 20:30:10 -0800 | [diff] [blame] | 291 | |
| 292 | while (!safeList.empty()) { |
| 293 | /* Pop the first item from the list */ |
| 294 | i = safeList.begin(); |
| 295 | SocketClient* c = *i; |
| 296 | safeList.erase(i); |
| 297 | // broadcasts are unsolicited and should not include a cmd number |
| 298 | if (c->sendMsg(code, msg, addErrno, false)) { |
| 299 | SLOGW("Error sending broadcast (%s)", strerror(errno)); |
| 300 | } |
| 301 | c->decRef(); |
| 302 | } |
| 303 | } |
| 304 | |
| 305 | void SocketListener::runOnEachSocket(SocketClientCommand *command) { |
| 306 | SocketClientCollection safeList; |
| 307 | |
| 308 | /* Add all active clients to the safe list first */ |
| 309 | safeList.clear(); |
| 310 | pthread_mutex_lock(&mClientsLock); |
| 311 | SocketClientCollection::iterator i; |
| 312 | |
| 313 | for (i = mClients->begin(); i != mClients->end(); ++i) { |
| 314 | SocketClient* c = *i; |
| 315 | c->incRef(); |
| 316 | safeList.push_back(c); |
| 317 | } |
| 318 | pthread_mutex_unlock(&mClientsLock); |
| 319 | |
| 320 | while (!safeList.empty()) { |
| 321 | /* Pop the first item from the list */ |
| 322 | i = safeList.begin(); |
| 323 | SocketClient* c = *i; |
| 324 | safeList.erase(i); |
| 325 | command->runSocketCommand(c); |
| 326 | c->decRef(); |
| 327 | } |
Guang Zhu | a8185a6 | 2012-02-07 19:13:28 -0800 | [diff] [blame] | 328 | } |