2 * Copyright (C) 2011, BMW AG
4 * GeniviAudioMananger AudioManagerDaemon
6 * \file SocketHandler.cpp
8 * \date 20-Oct-2011 3:42:04 PM
9 * \author Christian Mueller (christian.ei.mueller@bmw.de)
12 * GNU Lesser General Public License, version 2.1, with special exception (GENIVI clause)
13 * Copyright (C) 2011, BMW AG Christian Mueller Christian.ei.mueller@bmw.de
15 * This program is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License, version 2.1, as published by the Free Software Foundation.
16 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License, version 2.1, for more details.
17 * You should have received a copy of the GNU Lesser General Public License, version 2.1, along with this program; if not, see <http://www.gnu.org/licenses/lgpl-2.1.html>.
18 * Note that the copyright holders assume that the GNU Lesser General Public License, version 2.1, may also be applicable to programs even in cases in which the program is not a library in the technical sense.
19 * Linking AudioManager statically or dynamically with other modules is making a combined work based on AudioManager. You may license such other modules under the GNU Lesser General Public License, version 2.1. If you do not want to license your linked modules under the GNU Lesser General Public License, version 2.1, you may use the program under the following exception.
20 * As a special exception, the copyright holders of AudioManager give you permission to combine AudioManager with software programs or libraries that are released under any license unless such a combination is not permitted by the license of such a software program or library. You may copy and distribute such a system following the terms of the GNU Lesser General Public License, version 2.1, including this special exception, for AudioManager and the licenses of the other code concerned.
21 * Note that people who make modified versions of AudioManager are not obligated to grant this special exception for their modified versions; it is their choice whether to do so. The GNU Lesser General Public License, version 2.1, gives permission to release a modified version without this exception; this exception also makes it possible to release a modified version which carries forward this exception.
25 #include "DBusWrapper.h"
26 #include "SocketHandler.h"
34 #include <iostream> //remove !
38 DLT_IMPORT_CONTEXT(DLT_CONTEXT)
40 #define ROOT_INTROSPECT_XML \
41 DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \
43 "<interface name='orAudioManagerg.freedesktop.DBus.Introspectable'>" \
44 "<method name='Introspect'>" \
45 " <arg name='xml_data' type='s' direction='out'/>" \
49 DBusWrapper* DBusWrapper::mReference = NULL;
52 DBusWrapper::DBusWrapper(SocketHandler* socketHandler)
53 : pDbusDispatchCallback(this,&DBusWrapper::dbusDispatchCallback),
54 pDbusFireCallback(this,&DBusWrapper::dbusFireCallback),
55 pDbusCheckCallback(this,&DBusWrapper::dbusCheckCallback),
56 pDbusTimerCallback(this,&DBusWrapper::dbusTimerCallback),
60 mListTimerhandlePointer(),
61 mSocketHandler(socketHandler)
63 assert(mSocketHandler!=0);
64 //ok, first lets get the connection
65 dbus_error_init(&mDBusError);
67 DLT_LOG(DLT_CONTEXT,DLT_LOG_INFO, DLT_STRING("DBusWrapper::DBusWrapper Opening DBus connection"));
69 mDbusConnection=dbus_bus_get(DBUS_BUS_SESSION, &mDBusError);
70 if (dbus_error_is_set(&mDBusError))
72 DLT_LOG(DLT_CONTEXT,DLT_LOG_ERROR, DLT_STRING("DBusWrapper::DBusWrapper Error while getting the DBus"));
73 dbus_error_free(&mDBusError);
75 if (NULL == mDbusConnection)
77 DLT_LOG(DLT_CONTEXT,DLT_LOG_ERROR, DLT_STRING("DBusWrapper::DBusWrapper DBus Connection is null"));
80 //then we need to adopt the dbus to our mainloop:
81 //first, we are old enought to live longer then the connection:
82 dbus_connection_set_exit_on_disconnect(mDbusConnection, FALSE);
84 //we do not need the manual dispatching, since it is not allowed to call from a different thread. So leave it uncommented:
85 //dbus_connection_set_dispatch_status_function
87 //add watch functions:
88 dbus_bool_t ok=dbus_connection_set_watch_functions(mDbusConnection, addWatch, removeWatch, toogleWatch , this, NULL);
90 //add timer functions:
91 dbus_bool_t ok2=dbus_connection_set_timeout_functions(mDbusConnection, addTimeout, removeTimeout, toggleTimeout, this, NULL);
93 mObjectPathVTable.message_function=DBusWrapper::cbRootIntrospection;
94 dbus_connection_register_object_path(mDbusConnection,DBUS_SERVICE_OBJECT_PATH , &mObjectPathVTable, this);
95 int ret = dbus_bus_request_name(mDbusConnection,DBUS_SERVICE_PREFIX,DBUS_NAME_FLAG_DO_NOT_QUEUE, &mDBusError);
96 if (dbus_error_is_set(&mDBusError))
98 DLT_LOG(DLT_CONTEXT,DLT_LOG_ERROR, DLT_STRING("DBusWrapper::DBusWrapper Name Error"),DLT_STRING(mDBusError.message));
99 dbus_error_free(&mDBusError);
101 if (DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER != ret)
103 DLT_LOG(DLT_CONTEXT,DLT_LOG_ERROR, DLT_STRING("DBusWrapper::DBusWrapper Wrapper is not the Primary Owner"), DLT_INT(ret));
105 // dbus_connection_ref(mDbusConnection);
106 // DBusDispatchStatus dstatus;
109 // dstatus=dbus_connection_dispatch(mDbusConnection);
110 // std::cout<<"status"<<dstatus<<std::endl;
112 // while (dstatus!=DBUS_DISPATCH_COMPLETE);
113 // dbus_connection_unref(mDbusConnection);
116 DBusWrapper::~DBusWrapper()
118 //close the connection again
119 DLT_LOG(DLT_CONTEXT,DLT_LOG_INFO, DLT_STRING("DBusWrapper::~DBusWrapper Closing DBus connection"));
120 dbus_connection_unref(mDbusConnection);
122 //clean up all timerhandles we created but did not delete before
123 std::vector<sh_timerHandle_t*>::iterator it=mListTimerhandlePointer.begin();
124 for(;it!=mListTimerhandlePointer.end();++it)
130 void DBusWrapper::registerCallback(const DBusObjectPathVTable* vtable, const std::string& path, void* userdata)
132 DLT_LOG(DLT_CONTEXT,DLT_LOG_INFO, DLT_STRING("DBusWrapper::~registerCallback register callback:"),DLT_STRING(path.c_str()));
134 std::string completePath=std::string(DBUS_SERVICE_OBJECT_PATH)+"/"+path;
135 dbus_error_init(&mDBusError);
136 mDbusConnection=dbus_bus_get(DBUS_BUS_SESSION, &mDBusError);
137 dbus_connection_register_object_path(mDbusConnection,completePath.c_str(), vtable, userdata);
138 if (dbus_error_is_set(&mDBusError))
140 DLT_LOG(DLT_CONTEXT,DLT_LOG_ERROR, DLT_STRING("DBusWrapper::registerCallack error: "),DLT_STRING(mDBusError.message));
141 dbus_error_free(&mDBusError);
143 mNodesList.push_back(path);
146 DBusHandlerResult DBusWrapper::cbRootIntrospection(DBusConnection *conn, DBusMessage *msg, void *reference)
148 DLT_LOG(DLT_CONTEXT,DLT_LOG_INFO, DLT_STRING("DBusWrapper::~cbRootIntrospection called:"));
150 mReference=(DBusWrapper*)reference;
151 std::list<std::string>nodesList=mReference->mNodesList;
153 DBusMessageIter args;
154 dbus_uint32_t serial = 0;
155 if (dbus_message_is_method_call(msg, DBUS_INTERFACE_INTROSPECTABLE, "Introspect"))
157 std::list<std::string>::iterator nodeIter=nodesList.begin();
158 const char *xml=ROOT_INTROSPECT_XML;
159 std::stringstream introspect;
160 introspect << std::string(xml);
161 for(;nodeIter!=nodesList.end();++nodeIter)
163 introspect<<"<node name='"<<nodeIter->c_str()<<"'/>";
165 introspect<<"</node>";
167 reply = dbus_message_new_method_return(msg);
168 std::string s = introspect.str();
169 const char* string=s.c_str();
171 // add the arguments to the reply
172 dbus_message_iter_init_append(reply, &args);
173 if (!dbus_message_iter_append_basic(&args, DBUS_TYPE_STRING, &string))
175 DLT_LOG(DLT_CONTEXT,DLT_LOG_ERROR, DLT_STRING("DBusWrapper::~cbRootIntrospection DBUS Out Of Memory!"));
178 // send the reply && flush the connection
179 if (!dbus_connection_send(conn, reply, &serial))
181 DLT_LOG(DLT_CONTEXT,DLT_LOG_ERROR, DLT_STRING("DBusWrapper::~cbRootIntrospection DBUS Out Of Memory!"));
183 dbus_connection_flush(conn);
185 dbus_message_unref(reply);
187 return DBUS_HANDLER_RESULT_HANDLED;
191 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
195 void DBusWrapper::dbusMainLoop()
197 DLT_LOG(DLT_CONTEXT,DLT_LOG_INFO, DLT_STRING("DBusWrapper::~dbusMainLoop Entering MainLoop"));
199 while (dbus_connection_read_write_dispatch(mDbusConnection, -1))
205 void DBusWrapper::getDBusConnection(DBusConnection *& connection) const
207 connection=mDbusConnection;
210 dbus_bool_t DBusWrapper::addWatch(DBusWatch *watch, void *userData)
212 mReference=(DBusWrapper*)userData;
213 assert(mReference!=0);
214 return mReference->addWatchDelegate(watch,userData);
217 dbus_bool_t DBusWrapper::addWatchDelegate(DBusWatch * watch, void* userData)
220 uint flags=dbus_watch_get_flags(watch);
221 /* no watch flags for disabled watches */
222 if (dbus_watch_get_enabled(watch))
224 if (flags & DBUS_WATCH_READABLE) event |= POLLIN;
225 if (flags & DBUS_WATCH_WRITABLE) event |= POLLOUT;
228 sh_pollHandle_t handle=0;
229 am_Error_e error=mSocketHandler->addFDPoll(dbus_watch_get_unix_fd(watch),event,NULL,&pDbusFireCallback,&pDbusCheckCallback,&pDbusDispatchCallback,watch,handle);
231 //if everything is alright, add the watch and the handle to our map so we know this relationship
232 if (error==E_OK && handle!=0)
234 mMapHandleWatch.insert(std::make_pair(watch,handle));
240 void DBusWrapper::removeWatch(DBusWatch *watch, void *userData)
242 mReference=(DBusWrapper*)userData;
243 assert(mReference!=0);
244 mReference->removeWatchDelegate(watch,userData);
247 void DBusWrapper::removeWatchDelegate(DBusWatch *watch, void *userData)
249 std::map<DBusWatch*,sh_pollHandle_t>::iterator iterator=mMapHandleWatch.begin();
250 iterator=mMapHandleWatch.find(watch);
251 if (iterator!=mMapHandleWatch.end()) mSocketHandler->removeFDPoll(iterator->second);
252 mMapHandleWatch.erase(iterator);
255 void DBusWrapper::toogleWatch(DBusWatch *watch, void *userData)
257 mReference=(DBusWrapper*)userData;
258 assert(mReference!=0);
259 mReference->toogleWatchDelegate(watch,userData);
262 void DBusWrapper::toogleWatchDelegate(DBusWatch *watch, void *userData)
265 int watchFD=dbus_watch_get_unix_fd(watch);
266 uint flags=dbus_watch_get_flags(watch);
267 /* no watch flags for disabled watches */
268 if (dbus_watch_get_enabled(watch))
270 if (flags & DBUS_WATCH_READABLE) event |= POLLIN;
271 if (flags & DBUS_WATCH_WRITABLE) event |= POLLOUT;
273 std::map<DBusWatch*,sh_pollHandle_t>::iterator iterator=mMapHandleWatch.begin();
274 iterator=mMapHandleWatch.find(watch);
275 if (iterator!=mMapHandleWatch.end()) mSocketHandler->updateEventFlags(iterator->second,event);
278 dbus_bool_t DBusWrapper::addTimeout(DBusTimeout *timeout, void* userData)
280 mReference=(DBusWrapper*)userData;
281 assert(mReference!=0);
282 return mReference->addTimeoutDelegate(timeout,userData);
285 dbus_bool_t DBusWrapper::addTimeoutDelegate(DBusTimeout *timeout,void* userData)
287 if (!dbus_timeout_get_enabled(timeout)) return false;
289 //calculate the timeout in timeval
290 timespec pollTimeout;
291 int localTimeout=dbus_timeout_get_interval(timeout);
292 pollTimeout.tv_sec=localTimeout/1000;
293 pollTimeout.tv_nsec=(localTimeout%1000)*1000000;
295 //prepare handle and callback. new is eval, but there is no other choice because we need the pointer!
296 sh_timerHandle_t* handle=new sh_timerHandle_t;
297 mListTimerhandlePointer.push_back(handle);
298 TBasicTimerCallback* buffer=&pDbusTimerCallback;
300 //add the timer to the pollLoop
301 mSocketHandler->addTimer(pollTimeout,buffer,*handle,timeout);
303 //save the handle with dbus context
304 dbus_timeout_set_data(timeout, handle, NULL);
306 //save timeout in Socket context
311 void DBusWrapper::removeTimeout(DBusTimeout *timeout, void* userData)
313 mReference=(DBusWrapper*)userData;
314 assert(mReference!=0);
315 mReference->removeTimeoutDelegate(timeout,userData);
318 void DBusWrapper::removeTimeoutDelegate(DBusTimeout *timeout, void* userData)
320 //get the pointer to the handle and remove the timer
321 sh_timerHandle_t* handle=(sh_timerHandle_t*)dbus_timeout_get_data(timeout);
322 mSocketHandler->removeTimer(*handle);
324 //now go throught the timerlist and remove the pointer, free memory
325 std::vector<sh_timerHandle_t*>::iterator it=mListTimerhandlePointer.begin();
326 for(;it!=mListTimerhandlePointer.end();++it)
330 mListTimerhandlePointer.erase(it);
337 void DBusWrapper::toggleTimeout(DBusTimeout *timeout, void* userData)
339 mReference=(DBusWrapper*)userData;
340 assert(mReference!=0);
341 mReference->toggleTimeoutDelegate(timeout,userData);
344 bool am::DBusWrapper::dbusDispatchCallback(const sh_pollHandle_t handle, void *userData)
346 bool returnVal=false;
347 dbus_connection_ref(mDbusConnection);
348 if (dbus_connection_dispatch(mDbusConnection)==DBUS_DISPATCH_COMPLETE) returnVal=true;
349 dbus_connection_unref(mDbusConnection);
353 bool am::DBusWrapper::dbusCheckCallback(const sh_pollHandle_t handle, void *userData)
355 bool returnVal=false;
356 dbus_connection_ref(mDbusConnection);
357 if (dbus_connection_get_dispatch_status(mDbusConnection) == DBUS_DISPATCH_DATA_REMAINS) returnVal=true;
358 dbus_connection_unref(mDbusConnection);
362 void am::DBusWrapper::dbusFireCallback(const pollfd pollfd, const sh_pollHandle_t handle, void *userData)
364 assert(userData!=NULL);
367 if (!dbus_watch_get_enabled((DBusWatch*)userData))
369 std::cout<<"sdfsdf"<<std::endl;
372 if (pollfd.revents & POLLIN) flags |= DBUS_WATCH_READABLE;
373 if (pollfd.revents & POLLOUT) flags |= DBUS_WATCH_WRITABLE;
374 if (pollfd.revents & POLLHUP) flags |= DBUS_WATCH_HANGUP;
375 if (pollfd.revents & POLLERR) flags |= DBUS_WATCH_ERROR;
377 // std::cout<<fd<<" "<<revent<<std::endl;
378 DBusWatch *watch=(DBusWatch*)userData;
380 dbus_connection_ref(mDbusConnection);
381 bool ok=dbus_watch_handle(watch, flags);
382 dbus_connection_unref(mDbusConnection);
385 void DBusWrapper::toggleTimeoutDelegate(DBusTimeout *timeout, void* userData)
387 //get the pointer to the handle and remove the timer
388 sh_timerHandle_t* handle=(sh_timerHandle_t*)dbus_timeout_get_data(timeout);
391 if (dbus_timeout_get_enabled(timeout))
393 //calculate the timeout in timeval
394 timespec pollTimeout;
395 int localTimeout=dbus_timeout_get_interval(timeout);
396 pollTimeout.tv_sec=localTimeout/1000;
397 pollTimeout.tv_nsec=(localTimeout%1000)*1000000;
398 mSocketHandler->restartTimer(*handle,pollTimeout);
402 mSocketHandler->stopTimer(*handle);
406 void DBusWrapper::dbusTimerCallback(sh_timerHandle_t handle, void *userData)
408 assert(userData!=NULL);
409 if (dbus_timeout_get_enabled((DBusTimeout*)userData))
414 mSocketHandler->restartTimer(handle,ts);
416 dbus_timeout_handle((DBusTimeout*)userData);