Line data Source code
1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : */
9 :
10 : #include "BluetoothServer.hxx"
11 :
12 : #include <iostream>
13 : #include <iomanip>
14 : #include <new>
15 :
16 : #include <boost/scoped_ptr.hpp>
17 :
18 : #include <sal/log.hxx>
19 :
20 : #ifdef LINUX_BLUETOOTH
21 : #include <glib.h>
22 : #include <dbus/dbus.h>
23 : #include <errno.h>
24 : #include <fcntl.h>
25 : #include <sys/unistd.h>
26 : #include <sys/socket.h>
27 : #include <bluetooth/bluetooth.h>
28 : #include <bluetooth/rfcomm.h>
29 : #include "BluetoothServiceRecord.hxx"
30 : #include "BufferedStreamSocket.hxx"
31 : #endif
32 :
33 : #ifdef WIN32
34 : // LO vs WinAPI conflict
35 : #undef WB_LEFT
36 : #undef WB_RIGHT
37 : #include <winsock2.h>
38 : #include <ws2bth.h>
39 : #include "BufferedStreamSocket.hxx"
40 : #endif
41 :
42 : #ifdef MACOSX
43 : #include <osl/conditn.hxx>
44 : #include <premac.h>
45 : #if MACOSX_SDK_VERSION == 1070 || MACOSX_SDK_VERSION == 1080
46 : #import <IOBluetooth/IOBluetooth.h>
47 : #else
48 : #import <CoreFoundation/CoreFoundation.h>
49 : #import <IOBluetooth/IOBluetoothUtilities.h>
50 : #import <IOBluetooth/objc/IOBluetoothSDPUUID.h>
51 : #import <IOBluetooth/objc/IOBluetoothSDPServiceRecord.h>
52 : #endif
53 : #include <postmac.h>
54 : #import "OSXBluetooth.h"
55 : #include "OSXBluetoothWrapper.hxx"
56 : #endif
57 :
58 : #ifdef __MINGW32__
59 : // Value taken from http://msdn.microsoft.com/en-us/library/windows/desktop/ms738518%28v=vs.85%29.aspx
60 : #define NS_BTH 16
61 : #endif
62 :
63 : #include "Communicator.hxx"
64 :
65 : using namespace sd;
66 :
67 : #ifdef LINUX_BLUETOOTH
68 :
69 0 : struct DBusObject {
70 : OString maBusName;
71 : OString maPath;
72 : OString maInterface;
73 :
74 0 : DBusObject() { }
75 0 : DBusObject( const char *pBusName, const char *pPath, const char *pInterface )
76 0 : : maBusName( pBusName ), maPath( pPath ), maInterface( pInterface ) { }
77 :
78 0 : DBusMessage *getMethodCall( const char *pName )
79 : {
80 : return dbus_message_new_method_call( maBusName.getStr(), maPath.getStr(),
81 0 : maInterface.getStr(), pName );
82 : }
83 0 : DBusObject *cloneForInterface( const char *pInterface )
84 : {
85 0 : DBusObject *pObject = new DBusObject();
86 :
87 0 : pObject->maBusName = maBusName;
88 0 : pObject->maPath = maPath;
89 0 : pObject->maInterface = pInterface;
90 :
91 0 : return pObject;
92 : }
93 : };
94 :
95 : static DBusObject* getBluez5Adapter(DBusConnection *pConnection);
96 :
97 : struct sd::BluetoothServer::Impl {
98 : // the glib mainloop running in the thread
99 : GMainContext *mpContext;
100 : DBusConnection *mpConnection;
101 : DBusObject *mpService;
102 : volatile bool mbExitMainloop;
103 : enum BluezVersion { BLUEZ4, BLUEZ5, UNKNOWN };
104 : BluezVersion maBluezVersion;
105 :
106 0 : Impl()
107 0 : : mpContext( g_main_context_new() )
108 : , mpConnection( NULL )
109 : , mpService( NULL )
110 : , mbExitMainloop( false )
111 0 : , maBluezVersion( UNKNOWN )
112 0 : { }
113 :
114 0 : DBusObject *getAdapter()
115 : {
116 0 : if (mpService)
117 : {
118 0 : DBusObject* pAdapter = mpService->cloneForInterface( "org.bluez.Adapter" );
119 0 : return pAdapter;
120 : }
121 0 : else if (spServer->mpImpl->maBluezVersion == BLUEZ5)
122 : {
123 0 : return getBluez5Adapter(mpConnection);
124 : }
125 : else
126 : {
127 0 : return NULL;
128 : }
129 : }
130 : };
131 :
132 : static DBusConnection *
133 0 : dbusConnectToNameOnBus()
134 : {
135 : DBusError aError;
136 : DBusConnection *pConnection;
137 :
138 0 : dbus_error_init( &aError );
139 :
140 0 : pConnection = dbus_bus_get( DBUS_BUS_SYSTEM, &aError );
141 0 : if( !pConnection || dbus_error_is_set( &aError ))
142 : {
143 : SAL_WARN( "sdremote.bluetooth", "failed to get dbus system bus: " << aError.message );
144 0 : dbus_error_free( &aError );
145 0 : return NULL;
146 : }
147 :
148 0 : return pConnection;
149 : }
150 :
151 : static DBusMessage *
152 0 : sendUnrefAndWaitForReply( DBusConnection *pConnection, DBusMessage *pMsg )
153 : {
154 0 : DBusPendingCall *pPending = NULL;
155 :
156 0 : if( !pMsg || !dbus_connection_send_with_reply( pConnection, pMsg, &pPending,
157 0 : -1 /* default timeout */ ) )
158 : {
159 : SAL_WARN( "sdremote.bluetooth", "Memory allocation failed on message send" );
160 0 : dbus_message_unref( pMsg );
161 0 : return NULL;
162 : }
163 0 : dbus_connection_flush( pConnection );
164 0 : dbus_message_unref( pMsg );
165 :
166 0 : dbus_pending_call_block( pPending ); // block for reply
167 :
168 0 : pMsg = dbus_pending_call_steal_reply( pPending );
169 0 : if( !pMsg )
170 : SAL_WARN( "sdremote.bluetooth", "no valid reply / timeout" );
171 :
172 0 : dbus_pending_call_unref( pPending );
173 0 : return pMsg;
174 : }
175 :
176 : static bool
177 0 : isBluez5Available(DBusConnection *pConnection)
178 : {
179 : DBusMessage *pMsg;
180 :
181 : // Simplest wasy to check whether we have Bluez 5+ is to check
182 : // that we can obtain adapters using the new interfaces.
183 : // The first two error checks however don't tell us anything as they should
184 : // succeed as long as dbus is working correctly.
185 0 : pMsg = DBusObject( "org.bluez", "/", "org.freedesktop.DBus.ObjectManager" ).getMethodCall( "GetManagedObjects" );
186 0 : if (!pMsg)
187 : {
188 : SAL_INFO("sdremote.bluetooth", "No GetManagedObjects call created");
189 0 : return false;
190 : }
191 :
192 0 : pMsg = sendUnrefAndWaitForReply( pConnection, pMsg );
193 0 : if (!pMsg)
194 : {
195 : SAL_INFO("sdremote.bluetooth", "No reply received");
196 0 : return false;
197 : }
198 :
199 : // If dbus is working correctly and we aren't on bluez 5 this is where we
200 : // should actually get the error.
201 0 : if (dbus_message_get_error_name( pMsg ))
202 : {
203 : SAL_INFO( "sdremote.bluetooth", "GetManagedObjects call failed with \""
204 : << dbus_message_get_error_name( pMsg )
205 : << "\" -- we don't seem to have Bluez 5 available");
206 0 : return false;
207 : }
208 : SAL_INFO("sdremote.bluetooth", "GetManagedObjects call seems to have succeeded -- we must be on Bluez 5");
209 0 : dbus_message_unref(pMsg);
210 0 : return true;
211 : }
212 :
213 :
214 : static DBusObject*
215 0 : getBluez5Adapter(DBusConnection *pConnection)
216 : {
217 : DBusMessage *pMsg;
218 : // This returns a list of objects where we need to find the first
219 : // org.bluez.Adapter1 .
220 0 : pMsg = DBusObject( "org.bluez", "/", "org.freedesktop.DBus.ObjectManager" ).getMethodCall( "GetManagedObjects" );
221 0 : if (!pMsg)
222 0 : return NULL;
223 :
224 0 : const gchar* pInterfaceType = "org.bluez.Adapter1";
225 :
226 0 : pMsg = sendUnrefAndWaitForReply( pConnection, pMsg );
227 :
228 : DBusMessageIter aObjectIterator;
229 0 : if (pMsg && dbus_message_iter_init(pMsg, &aObjectIterator))
230 : {
231 0 : if (DBUS_TYPE_ARRAY == dbus_message_iter_get_arg_type(&aObjectIterator))
232 : {
233 : DBusMessageIter aObject;
234 0 : dbus_message_iter_recurse(&aObjectIterator, &aObject);
235 0 : do
236 : {
237 0 : if (DBUS_TYPE_DICT_ENTRY == dbus_message_iter_get_arg_type(&aObject))
238 : {
239 : DBusMessageIter aContainerIter;
240 0 : dbus_message_iter_recurse(&aObject, &aContainerIter);
241 0 : char *pPath = 0;
242 0 : do
243 : {
244 0 : if (DBUS_TYPE_OBJECT_PATH == dbus_message_iter_get_arg_type(&aContainerIter))
245 : {
246 0 : dbus_message_iter_get_basic(&aContainerIter, &pPath);
247 : SAL_INFO( "sdremote.bluetooth", "Something retrieved: '"
248 : << pPath << "' '");
249 : }
250 0 : else if (DBUS_TYPE_ARRAY == dbus_message_iter_get_arg_type(&aContainerIter))
251 : {
252 : DBusMessageIter aInnerIter;
253 0 : dbus_message_iter_recurse(&aContainerIter, &aInnerIter);
254 0 : do
255 : {
256 0 : if (DBUS_TYPE_DICT_ENTRY == dbus_message_iter_get_arg_type(&aInnerIter))
257 : {
258 : DBusMessageIter aInnerInnerIter;
259 0 : dbus_message_iter_recurse(&aInnerIter, &aInnerInnerIter);
260 0 : do
261 : {
262 0 : if (DBUS_TYPE_STRING == dbus_message_iter_get_arg_type(&aInnerInnerIter))
263 : {
264 : char* pMessage;
265 :
266 0 : dbus_message_iter_get_basic(&aInnerInnerIter, &pMessage);
267 0 : if (OString(pMessage) == "org.bluez.Adapter1")
268 : {
269 0 : dbus_message_unref(pMsg);
270 0 : if (pPath)
271 : {
272 0 : return new DBusObject( "org.bluez", pPath, pInterfaceType );
273 : }
274 : assert(false); // We should already have pPath provided for us.
275 : }
276 : }
277 : }
278 0 : while (dbus_message_iter_next(&aInnerInnerIter));
279 : }
280 : }
281 0 : while (dbus_message_iter_next(&aInnerIter));
282 : }
283 : }
284 0 : while (dbus_message_iter_next(&aContainerIter));
285 : }
286 : }
287 0 : while (dbus_message_iter_next(&aObject));
288 : }
289 0 : dbus_message_unref(pMsg);
290 : }
291 :
292 0 : return NULL;
293 : }
294 :
295 : static DBusObject *
296 0 : bluez4GetDefaultService( DBusConnection *pConnection )
297 : {
298 : DBusMessage *pMsg;
299 : DBusMessageIter it;
300 0 : const gchar* pInterfaceType = "org.bluez.Service";
301 :
302 : // org.bluez.manager only exists for bluez 4.
303 : // getMethodCall should return NULL if there is any issue e.g. the
304 : // if org.bluez.manager doesn't exist.
305 0 : pMsg = DBusObject( "org.bluez", "/", "org.bluez.Manager" ).getMethodCall( "DefaultAdapter" );
306 :
307 0 : if (!pMsg)
308 : {
309 : SAL_WARN("sdremote.bluetooth", "Couldn't retrieve DBusObject for DefaultAdapter");
310 0 : return NULL;
311 : }
312 :
313 : SAL_INFO("sdremote.bluetooth", "successfully retrieved org.bluez.Manager.DefaultAdapter, attempting to use.");
314 0 : pMsg = sendUnrefAndWaitForReply( pConnection, pMsg );
315 :
316 0 : if(!pMsg || !dbus_message_iter_init( pMsg, &it ) )
317 : {
318 0 : return NULL;
319 : }
320 :
321 : // This works for Bluez 4
322 0 : if( DBUS_TYPE_OBJECT_PATH == dbus_message_iter_get_arg_type( &it ) )
323 : {
324 0 : const char *pObjectPath = NULL;
325 0 : dbus_message_iter_get_basic( &it, &pObjectPath );
326 : SAL_INFO( "sdremote.bluetooth", "DefaultAdapter retrieved: '"
327 : << pObjectPath << "' '" << pInterfaceType << "'" );
328 0 : dbus_message_unref( pMsg );
329 0 : return new DBusObject( "org.bluez", pObjectPath, pInterfaceType );
330 : }
331 : // Some form of error, e.g. if we have bluez 5 we get a message that
332 : // this method doesn't exist.
333 0 : else if ( DBUS_TYPE_STRING == dbus_message_iter_get_arg_type( &it ) )
334 : {
335 0 : const char *pMessage = NULL;
336 0 : dbus_message_iter_get_basic( &it, &pMessage );
337 : SAL_INFO( "sdremote.bluetooth", "Error message: '"
338 : << pMessage << "' '" << pInterfaceType << "'" );
339 : }
340 : else
341 : {
342 : SAL_INFO( "sdremote.bluetooth", "invalid type of reply to DefaultAdapter: '"
343 : << (const char) dbus_message_iter_get_arg_type( &it ) << "'" );
344 : }
345 0 : dbus_message_unref(pMsg);
346 0 : return NULL;
347 : }
348 :
349 : static bool
350 0 : bluez4RegisterServiceRecord( DBusConnection *pConnection, DBusObject *pAdapter,
351 : const char *pServiceRecord )
352 : {
353 : DBusMessage *pMsg;
354 : DBusMessageIter it;
355 :
356 0 : pMsg = pAdapter->getMethodCall( "AddRecord" );
357 0 : dbus_message_iter_init_append( pMsg, &it );
358 0 : dbus_message_iter_append_basic( &it, DBUS_TYPE_STRING, &pServiceRecord );
359 :
360 0 : pMsg = sendUnrefAndWaitForReply( pConnection, pMsg );
361 :
362 0 : if( !pMsg || !dbus_message_iter_init( pMsg, &it ) ||
363 0 : dbus_message_iter_get_arg_type( &it ) != DBUS_TYPE_UINT32 )
364 : {
365 : SAL_WARN( "sdremote.bluetooth", "SDP registration failed" );
366 0 : return false;
367 : }
368 :
369 : // We ignore the uint de-registration handle we get back:
370 : // bluez will clean us up automatically on exit
371 :
372 0 : return true;
373 : }
374 :
375 : static void
376 0 : bluezCreateAttachListeningSocket( GMainContext *pContext, GPollFD *pSocketFD )
377 : {
378 : int nSocket;
379 :
380 0 : pSocketFD->fd = -1;
381 :
382 0 : if( ( nSocket = socket( AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM ) ) < 0 )
383 : {
384 : SAL_WARN( "sdremote.bluetooth", "failed to open bluetooth socket with error " << nSocket );
385 0 : return;
386 : }
387 :
388 : sockaddr_rc aAddr;
389 : // Initialize whole structure. Mainly to appease valgrind, which
390 : // doesn't know about the padding at the end of sockaddr_rc which
391 : // it will dutifully check for definedness. But also the standard
392 : // definition of BDADDR_ANY is unusable in C++ code, so just use
393 : // memset to set aAddr.rc_bdaddr to 0.
394 0 : memset( &aAddr, 0, sizeof( aAddr ) );
395 0 : aAddr.rc_family = AF_BLUETOOTH;
396 0 : aAddr.rc_channel = 5;
397 :
398 : int a;
399 0 : if ( ( a = bind( nSocket, (sockaddr*) &aAddr, sizeof(aAddr) ) ) < 0 ) {
400 : SAL_WARN( "sdremote.bluetooth", "bind failed with error" << a );
401 0 : close( nSocket );
402 0 : return;
403 : }
404 :
405 0 : if ( ( a = listen( nSocket, 1 ) ) < 0 )
406 : {
407 : SAL_WARN( "sdremote.bluetooth", "listen failed with error" << a );
408 0 : close( nSocket );
409 0 : return;
410 : }
411 :
412 : // set non-blocking behaviour ...
413 0 : if( fcntl( nSocket, F_SETFL, O_NONBLOCK) < 0 )
414 : {
415 0 : close( nSocket );
416 0 : return;
417 : }
418 :
419 0 : pSocketFD->fd = nSocket;
420 0 : pSocketFD->events = G_IO_IN | G_IO_PRI;
421 0 : pSocketFD->revents = 0;
422 :
423 0 : g_main_context_add_poll( pContext, pSocketFD, G_PRIORITY_DEFAULT );
424 : }
425 :
426 : static void
427 0 : bluezDetachCloseSocket( GMainContext *pContext, GPollFD *pSocketFD )
428 : {
429 0 : if( pSocketFD->fd >= 0 )
430 : {
431 0 : close( pSocketFD->fd );
432 0 : g_main_context_remove_poll( pContext, pSocketFD );
433 0 : pSocketFD->fd = -1;
434 : }
435 0 : }
436 :
437 : #endif // LINUX_BLUETOOTH
438 :
439 : #if defined(MACOSX)
440 :
441 : OSXBluetoothWrapper::OSXBluetoothWrapper( IOBluetoothRFCOMMChannel* channel ) :
442 : mpChannel(channel),
443 : mnMTU(0),
444 : mHaveBytes(),
445 : mMutex(),
446 : mBuffer()
447 : {
448 : // silly enough, can't write more than mnMTU bytes at once
449 : mnMTU = [channel getMTU];
450 :
451 : SAL_INFO( "sdremote.bluetooth", "OSXBluetoothWrapper::OSXBluetoothWrapper(): mnMTU=" << mnMTU );
452 : }
453 :
454 : sal_Int32 OSXBluetoothWrapper::readLine( OString& aLine )
455 : {
456 : SAL_INFO( "sdremote.bluetooth", "OSXBluetoothWrapper::readLine()" );
457 :
458 : while( true )
459 : {
460 : {
461 : SAL_INFO( "sdremote.bluetooth", "OSXBluetoothWrapper::readLine: entering mutex" );
462 : ::osl::MutexGuard aQueueGuard( mMutex );
463 : SAL_INFO( "sdremote.bluetooth", "OSXBluetoothWrapper::readLine: entered mutex" );
464 :
465 : #ifdef SAL_LOG_INFO
466 : // We should have in the sal logging some standard way to
467 : // output char buffers with non-printables escaped.
468 : std::ostringstream s;
469 : if (mBuffer.size() > 0)
470 : {
471 : for (unsigned char *p = (unsigned char *) &mBuffer.front(); p != (unsigned char *) &mBuffer.front() + mBuffer.size(); p++)
472 : {
473 : if (*p == '\n')
474 : s << "\\n";
475 : else if (*p < ' ' || *p >= 0x7F)
476 : s << "\\0x" << std::hex << std::setw(2) << std::setfill('0') << (int) *p << std::setfill(' ') << std::setw(1) << std::dec;
477 : else
478 : s << *p;
479 : }
480 : }
481 : SAL_INFO( "sdremote.bluetooth", "OSXBluetoothWrapper::readLine mBuffer: \"" << s.str() << "\"" );
482 : #endif
483 :
484 : // got enough bytes to return a line?
485 : std::vector<char>::iterator aIt;
486 : if ( (aIt = find( mBuffer.begin(), mBuffer.end(), '\n' ))
487 : != mBuffer.end() )
488 : {
489 : sal_uInt64 aLocation = aIt - mBuffer.begin();
490 :
491 : aLine = OString( &(*mBuffer.begin()), aLocation );
492 :
493 : mBuffer.erase( mBuffer.begin(), aIt + 1 ); // Also delete the empty line
494 :
495 : // yeps
496 : SAL_INFO( "sdremote.bluetooth", " returning, got \"" << OStringToOUString( aLine, RTL_TEXTENCODING_UTF8 ) << "\"" );
497 : return aLine.getLength() + 1;
498 : }
499 :
500 : // nope - wait some more (after releasing the mutex)
501 : SAL_INFO( "sdremote.bluetooth", " resetting mHaveBytes" );
502 : mHaveBytes.reset();
503 : SAL_INFO( "sdremote.bluetooth", " leaving mutex" );
504 : }
505 :
506 : SAL_INFO( "sdremote.bluetooth", " waiting for mHaveBytes" );
507 : mHaveBytes.wait();
508 : SAL_INFO( "sdremote.bluetooth", "OSXBluetoothWrapper::readLine: got mHaveBytes" );
509 : }
510 : }
511 :
512 : sal_Int32 OSXBluetoothWrapper::write( const void* pBuffer, sal_uInt32 n )
513 : {
514 : SAL_INFO( "sdremote.bluetooth", "OSXBluetoothWrapper::write(" << pBuffer << ", " << n << ") mpChannel=" << mpChannel );
515 :
516 : char* ptr = (char*)pBuffer;
517 : sal_uInt32 nBytesWritten = 0;
518 :
519 : if (mpChannel == nil)
520 : return 0;
521 :
522 : while( nBytesWritten < n )
523 : {
524 : int toWrite = n - nBytesWritten;
525 : toWrite = toWrite <= mnMTU ? toWrite : mnMTU;
526 : if ( [mpChannel writeSync:ptr length:toWrite] != kIOReturnSuccess )
527 : {
528 : SAL_INFO( "sdremote.bluetooth", " [mpChannel writeSync:" << (void *) ptr << " length:" << toWrite << "] returned error, total written " << nBytesWritten );
529 : return nBytesWritten;
530 : }
531 : ptr += toWrite;
532 : nBytesWritten += toWrite;
533 : }
534 : SAL_INFO( "sdremote.bluetooth", " total written " << nBytesWritten );
535 : return nBytesWritten;
536 : }
537 :
538 : void OSXBluetoothWrapper::appendData(void* pBuffer, size_t len)
539 : {
540 : SAL_INFO( "sdremote.bluetooth", "OSXBluetoothWrapper::appendData(" << pBuffer << ", " << len << ")" );
541 :
542 : if( len )
543 : {
544 : SAL_INFO( "sdremote.bluetooth", "OSXBluetoothWrapper::appendData: entering mutex" );
545 : ::osl::MutexGuard aQueueGuard( mMutex );
546 : SAL_INFO( "sdremote.bluetooth", "OSXBluetoothWrapper::appendData: entered mutex" );
547 : mBuffer.insert(mBuffer.begin()+mBuffer.size(),
548 : (char*)pBuffer, (char *)pBuffer+len);
549 : SAL_INFO( "sdremote.bluetooth", " setting mHaveBytes" );
550 : mHaveBytes.set();
551 : SAL_INFO( "sdremote.bluetooth", " leaving mutex" );
552 : }
553 : }
554 :
555 : void OSXBluetoothWrapper::channelClosed()
556 : {
557 : SAL_INFO( "sdremote.bluetooth", "OSXBluetoothWrapper::channelClosed()" );
558 :
559 : mpChannel = nil;
560 : }
561 :
562 : void incomingCallback( void *userRefCon,
563 : IOBluetoothUserNotificationRef inRef,
564 : IOBluetoothObjectRef objectRef )
565 : {
566 : (void) inRef;
567 :
568 : SAL_INFO( "sdremote.bluetooth", "incomingCallback()" );
569 :
570 : BluetoothServer* pServer = (BluetoothServer*)userRefCon;
571 :
572 : IOBluetoothRFCOMMChannel* channel = [IOBluetoothRFCOMMChannel withRFCOMMChannelRef:(IOBluetoothRFCOMMChannelRef)objectRef];
573 :
574 : OSXBluetoothWrapper* socket = new OSXBluetoothWrapper( channel);
575 : Communicator* pCommunicator = new Communicator( socket );
576 : pServer->addCommunicator( pCommunicator );
577 :
578 : ChannelDelegate* delegate = [[ChannelDelegate alloc] initWithCommunicatorAndSocket: pCommunicator socket: socket];
579 : [channel setDelegate: delegate];
580 : [delegate retain];
581 :
582 : pCommunicator->launch();
583 : }
584 :
585 : void BluetoothServer::addCommunicator( Communicator* pCommunicator )
586 : {
587 : mpCommunicators->push_back( pCommunicator );
588 : }
589 :
590 : #endif // MACOSX
591 :
592 : #ifdef LINUX_BLUETOOTH
593 :
594 : extern "C" {
595 0 : static gboolean ensureDiscoverable_cb(gpointer)
596 : {
597 0 : BluetoothServer::doEnsureDiscoverable();
598 0 : return FALSE; // remove source
599 : }
600 0 : static gboolean restoreDiscoverable_cb(gpointer)
601 : {
602 0 : BluetoothServer::doRestoreDiscoverable();
603 0 : return FALSE; // remove source
604 : }
605 : }
606 :
607 : /*
608 : * Bluez 4 uses custom methods for setting properties, whereas Bluez 5+
609 : * implements properties using the generic "org.freedesktop.DBus.Properties"
610 : * interface -- hence we have a specific Bluez 4 function to deal with the
611 : * old style of reading properties.
612 : */
613 : static bool
614 0 : getBluez4BooleanProperty( DBusConnection *pConnection, DBusObject *pAdapter,
615 : const char *pPropertyName, bool *pBoolean )
616 : {
617 0 : *pBoolean = false;
618 :
619 0 : if( !pAdapter )
620 0 : return false;
621 :
622 : DBusMessage *pMsg;
623 : pMsg = sendUnrefAndWaitForReply( pConnection,
624 0 : pAdapter->getMethodCall( "GetProperties" ) );
625 :
626 : DBusMessageIter it;
627 0 : if( !pMsg || !dbus_message_iter_init( pMsg, &it ) )
628 : {
629 : SAL_WARN( "sdremote.bluetooth", "no valid reply / timeout" );
630 0 : return false;
631 : }
632 :
633 0 : if( DBUS_TYPE_ARRAY != dbus_message_iter_get_arg_type( &it ) )
634 : {
635 : SAL_WARN( "sdremote.bluetooth", "no valid reply / timeout" );
636 0 : return false;
637 : }
638 :
639 : DBusMessageIter arrayIt;
640 0 : dbus_message_iter_recurse( &it, &arrayIt );
641 :
642 0 : while( dbus_message_iter_get_arg_type( &arrayIt ) == DBUS_TYPE_DICT_ENTRY )
643 : {
644 : DBusMessageIter dictIt;
645 0 : dbus_message_iter_recurse( &arrayIt, &dictIt );
646 :
647 0 : const char *pName = NULL;
648 0 : if( dbus_message_iter_get_arg_type( &dictIt ) == DBUS_TYPE_STRING )
649 : {
650 0 : dbus_message_iter_get_basic( &dictIt, &pName );
651 0 : if( pName != NULL && !strcmp( pName, pPropertyName ) )
652 : {
653 : SAL_INFO( "sdremote.bluetooth", "hit " << pPropertyName << " property" );
654 0 : dbus_message_iter_next( &dictIt );
655 0 : dbus_bool_t bBool = false;
656 :
657 0 : if( dbus_message_iter_get_arg_type( &dictIt ) == DBUS_TYPE_VARIANT )
658 : {
659 : DBusMessageIter variantIt;
660 0 : dbus_message_iter_recurse( &dictIt, &variantIt );
661 :
662 0 : if( dbus_message_iter_get_arg_type( &variantIt ) == DBUS_TYPE_BOOLEAN )
663 : {
664 0 : dbus_message_iter_get_basic( &variantIt, &bBool );
665 : SAL_INFO( "sdremote.bluetooth", "" << pPropertyName << " is " << bBool );
666 0 : *pBoolean = bBool;
667 0 : return true;
668 : }
669 : else
670 : SAL_WARN( "sdremote.bluetooth", "" << pPropertyName << " type " <<
671 : dbus_message_iter_get_arg_type( &variantIt ) );
672 : }
673 : else
674 : SAL_WARN( "sdremote.bluetooth", "variant type ? " <<
675 0 : dbus_message_iter_get_arg_type( &dictIt ) );
676 : }
677 : else
678 : {
679 0 : const char *pStr = pName ? pName : "<null>";
680 : SAL_INFO( "sdremote.bluetooth", "property '" << pStr << "'" );
681 : }
682 : }
683 : else
684 : SAL_WARN( "sdremote.bluetooth", "unexpected property key type "
685 : << dbus_message_iter_get_arg_type( &dictIt ) );
686 0 : dbus_message_iter_next( &arrayIt );
687 : }
688 0 : dbus_message_unref( pMsg );
689 :
690 0 : return false;
691 : }
692 :
693 : /*
694 : * This gets an org.freedesktop.DBus.Properties boolean
695 : * (as opposed to the old Bluez 4 custom properties methods as visible above).
696 : */
697 : static bool
698 0 : getDBusBooleanProperty( DBusConnection *pConnection, DBusObject *pAdapter,
699 : const char *pPropertyName, bool *pBoolean )
700 : {
701 : assert( pAdapter );
702 :
703 0 : *pBoolean = false;
704 0 : bool bRet = false;
705 :
706 : ::boost::scoped_ptr< DBusObject > pProperties (
707 0 : pAdapter->cloneForInterface( "org.freedesktop.DBus.Properties" ) );
708 :
709 0 : DBusMessage *pMsg = pProperties->getMethodCall( "Get" );
710 :
711 : DBusMessageIter itIn;
712 0 : dbus_message_iter_init_append( pMsg, &itIn );
713 0 : const char* pInterface = "org.bluez.Adapter1";
714 0 : dbus_message_iter_append_basic( &itIn, DBUS_TYPE_STRING, &pInterface );
715 0 : dbus_message_iter_append_basic( &itIn, DBUS_TYPE_STRING, &pPropertyName );
716 0 : pMsg = sendUnrefAndWaitForReply( pConnection, pMsg );
717 :
718 : DBusMessageIter it;
719 0 : if( !pMsg || !dbus_message_iter_init( pMsg, &it ) )
720 : {
721 : SAL_WARN( "sdremote.bluetooth", "no valid reply / timeout" );
722 0 : return false;
723 : }
724 :
725 0 : if( DBUS_TYPE_VARIANT != dbus_message_iter_get_arg_type( &it ) )
726 : {
727 : SAL_WARN( "sdremote.bluetooth", "invalid return type" );
728 : }
729 : else
730 : {
731 : DBusMessageIter variantIt;
732 0 : dbus_message_iter_recurse( &it, &variantIt );
733 :
734 0 : if( dbus_message_iter_get_arg_type( &variantIt ) == DBUS_TYPE_BOOLEAN )
735 : {
736 0 : dbus_bool_t bBool = false;
737 0 : dbus_message_iter_get_basic( &variantIt, &bBool );
738 : SAL_INFO( "sdremote.bluetooth", "" << pPropertyName << " is " << bBool );
739 0 : *pBoolean = bBool;
740 0 : bRet = true;
741 : }
742 : else
743 : {
744 : SAL_WARN( "sdremote.bluetooth", "" << pPropertyName << " type " <<
745 : dbus_message_iter_get_arg_type( &variantIt ) );
746 : }
747 :
748 0 : const char* pError = dbus_message_get_error_name( pMsg );
749 0 : if ( pError )
750 : {
751 : SAL_WARN( "sdremote.bluetooth",
752 : "Get failed for " << pPropertyName << " on " <<
753 : pAdapter->maPath << " with error: " << pError );
754 : }
755 : }
756 0 : dbus_message_unref( pMsg );
757 :
758 0 : return bRet;
759 : }
760 :
761 : static void
762 0 : setDBusBooleanProperty( DBusConnection *pConnection, DBusObject *pAdapter,
763 : const char *pPropertyName, bool bBoolean )
764 : {
765 : assert( pAdapter );
766 :
767 : ::boost::scoped_ptr< DBusObject > pProperties(
768 0 : pAdapter->cloneForInterface( "org.freedesktop.DBus.Properties" ) );
769 :
770 0 : DBusMessage *pMsg = pProperties->getMethodCall( "Set" );
771 :
772 : DBusMessageIter itIn;
773 0 : dbus_message_iter_init_append( pMsg, &itIn );
774 0 : const char* pInterface = "org.bluez.Adapter1";
775 0 : dbus_message_iter_append_basic( &itIn, DBUS_TYPE_STRING, &pInterface );
776 0 : dbus_message_iter_append_basic( &itIn, DBUS_TYPE_STRING, &pPropertyName );
777 :
778 : {
779 : DBusMessageIter varIt;
780 : dbus_message_iter_open_container( &itIn, DBUS_TYPE_VARIANT,
781 0 : DBUS_TYPE_BOOLEAN_AS_STRING, &varIt );
782 0 : dbus_bool_t bDBusBoolean = bBoolean;
783 0 : dbus_message_iter_append_basic( &varIt, DBUS_TYPE_BOOLEAN, &bDBusBoolean );
784 0 : dbus_message_iter_close_container( &itIn, &varIt );
785 : }
786 :
787 0 : pMsg = sendUnrefAndWaitForReply( pConnection, pMsg );
788 :
789 0 : if( !pMsg )
790 : {
791 : SAL_WARN( "sdremote.bluetooth", "no valid reply / timeout" );
792 : }
793 : else
794 : {
795 0 : const char* pError = dbus_message_get_error_name( pMsg );
796 0 : if ( pError )
797 : {
798 : SAL_WARN( "sdremote.bluetooth",
799 : "Set failed for " << pPropertyName << " on " <<
800 : pAdapter->maPath << " with error: " << pError );
801 : }
802 0 : dbus_message_unref( pMsg );
803 0 : }
804 0 : }
805 :
806 : static bool
807 0 : getDiscoverable( DBusConnection *pConnection, DBusObject *pAdapter )
808 : {
809 0 : if (pAdapter->maInterface == "org.bluez.Adapter") // Bluez 4
810 : {
811 : bool bDiscoverable;
812 0 : if( getBluez4BooleanProperty(pConnection, pAdapter, "Discoverable", &bDiscoverable ) )
813 0 : return bDiscoverable;
814 : }
815 0 : else if (pAdapter->maInterface == "org.bluez.Adapter1") // Bluez 5
816 : {
817 : bool bDiscoverable;
818 0 : if ( getDBusBooleanProperty(pConnection, pAdapter, "Discoverable", &bDiscoverable ) )
819 0 : return bDiscoverable;
820 : }
821 0 : return false;
822 : }
823 :
824 : static void
825 0 : setDiscoverable( DBusConnection *pConnection, DBusObject *pAdapter, bool bDiscoverable )
826 : {
827 : SAL_INFO( "sdremote.bluetooth", "setDiscoverable to " << bDiscoverable );
828 :
829 0 : if (pAdapter->maInterface == "org.bluez.Adapter") // Bluez 4
830 : {
831 0 : bool bPowered = false;
832 0 : if( !getBluez4BooleanProperty( pConnection, pAdapter, "Powered", &bPowered ) || !bPowered )
833 0 : return; // nothing to do
834 :
835 : DBusMessage *pMsg;
836 : DBusMessageIter it, varIt;
837 :
838 : // set timeout to zero
839 0 : pMsg = pAdapter->getMethodCall( "SetProperty" );
840 0 : dbus_message_iter_init_append( pMsg, &it );
841 0 : const char *pTimeoutStr = "DiscoverableTimeout";
842 0 : dbus_message_iter_append_basic( &it, DBUS_TYPE_STRING, &pTimeoutStr );
843 : dbus_message_iter_open_container( &it, DBUS_TYPE_VARIANT,
844 0 : DBUS_TYPE_UINT32_AS_STRING, &varIt );
845 0 : dbus_uint32_t nTimeout = 0;
846 0 : dbus_message_iter_append_basic( &varIt, DBUS_TYPE_UINT32, &nTimeout );
847 0 : dbus_message_iter_close_container( &it, &varIt );
848 0 : dbus_connection_send( pConnection, pMsg, NULL ); // async send - why not ?
849 0 : dbus_message_unref( pMsg );
850 :
851 : // set discoverable value
852 0 : pMsg = pAdapter->getMethodCall( "SetProperty" );
853 0 : dbus_message_iter_init_append( pMsg, &it );
854 0 : const char *pDiscoverableStr = "Discoverable";
855 0 : dbus_message_iter_append_basic( &it, DBUS_TYPE_STRING, &pDiscoverableStr );
856 : dbus_message_iter_open_container( &it, DBUS_TYPE_VARIANT,
857 0 : DBUS_TYPE_BOOLEAN_AS_STRING, &varIt );
858 0 : dbus_bool_t bValue = bDiscoverable;
859 0 : dbus_message_iter_append_basic( &varIt, DBUS_TYPE_BOOLEAN, &bValue );
860 0 : dbus_message_iter_close_container( &it, &varIt ); // async send - why not ?
861 0 : dbus_connection_send( pConnection, pMsg, NULL );
862 0 : dbus_message_unref( pMsg );
863 : }
864 0 : else if (pAdapter->maInterface == "org.bluez.Adapter1") // Bluez 5
865 : {
866 0 : setDBusBooleanProperty(pConnection, pAdapter, "Discoverable", bDiscoverable );
867 : }
868 : }
869 :
870 : static DBusObject *
871 0 : registerWithDefaultAdapter( DBusConnection *pConnection )
872 : {
873 : DBusObject *pService;
874 0 : pService = bluez4GetDefaultService( pConnection );
875 0 : if( pService )
876 : {
877 0 : if( !bluez4RegisterServiceRecord( pConnection, pService,
878 0 : bluetooth_service_record ) )
879 : {
880 0 : delete pService;
881 0 : return NULL;
882 : }
883 : }
884 :
885 0 : return pService;
886 : }
887 :
888 0 : void ProfileUnregisterFunction
889 : (DBusConnection *connection, void *user_data)
890 : {
891 : // We specifically don't need to do anything here.
892 : (void) connection;
893 : (void) user_data;
894 0 : }
895 :
896 0 : DBusHandlerResult ProfileMessageFunction
897 : (DBusConnection *pConnection, DBusMessage *pMessage, void *user_data)
898 : {
899 : SAL_INFO("sdremote.bluetooth", "ProfileMessageFunction||" << dbus_message_get_interface(pMessage) << "||" << dbus_message_get_member(pMessage));
900 0 : DBusHandlerResult aRet = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
901 :
902 0 : if (OString(dbus_message_get_interface(pMessage)).equals("org.bluez.Profile1"))
903 : {
904 0 : if (OString(dbus_message_get_member(pMessage)).equals("Release"))
905 : {
906 0 : return DBUS_HANDLER_RESULT_HANDLED;
907 : }
908 0 : else if (OString(dbus_message_get_member(pMessage)).equals("NewConnection"))
909 : {
910 0 : if (!dbus_message_has_signature(pMessage, "oha{sv}"))
911 : {
912 : SAL_WARN("sdremote.bluetooth", "wrong signature for NewConnection");
913 : }
914 :
915 : DBusMessageIter it;
916 0 : dbus_message_iter_init(pMessage, &it);
917 :
918 : char* pPath;
919 0 : dbus_message_iter_get_basic(&it, &pPath);
920 : SAL_INFO("sdremote.bluetooth", "Adapter path:" << pPath);
921 :
922 0 : if (!dbus_message_iter_next(&it))
923 : SAL_WARN("sdremote.bluetooth", "not enough parameters passed");
924 :
925 : // DBUS_TYPE_UNIX_FD == 'h' -- doesn't exist in older versions
926 : // of dbus (< 1.3?) hence defined manually for now
927 0 : if ('h' == dbus_message_iter_get_arg_type(&it))
928 : {
929 :
930 : int nDescriptor;
931 0 : dbus_message_iter_get_basic(&it, &nDescriptor);
932 0 : std::vector<Communicator*>* pCommunicators = (std::vector<Communicator*>*) user_data;
933 :
934 : // Bluez gives us non-blocking sockets, but our code relies
935 : // on blocking behaviour.
936 0 : fcntl(nDescriptor, F_SETFL, fcntl(nDescriptor, F_GETFL) & ~O_NONBLOCK);
937 :
938 : SAL_INFO( "sdremote.bluetooth", "connection accepted " << nDescriptor);
939 0 : Communicator* pCommunicator = new Communicator( new BufferedStreamSocket( nDescriptor ) );
940 0 : pCommunicators->push_back( pCommunicator );
941 0 : pCommunicator->launch();
942 : }
943 :
944 : // For some reason an (empty?) reply is expected.
945 0 : DBusMessage* pRet = dbus_message_new_method_return(pMessage);
946 0 : dbus_connection_send(pConnection, pRet, NULL);
947 0 : dbus_message_unref(pRet);
948 :
949 : // We could read the remote profile version and features here
950 : // (i.e. they are provided as part of the DBusMessage),
951 : // however for us they are irrelevant (as our protocol handles
952 : // equivalent functionality independently of whether we're on
953 : // bluetooth or normal network connection).
954 0 : return DBUS_HANDLER_RESULT_HANDLED;
955 : }
956 0 : else if (OString(dbus_message_get_member(pMessage)).equals("RequestDisconnection"))
957 : {
958 0 : return DBUS_HANDLER_RESULT_HANDLED;
959 : }
960 : }
961 : SAL_WARN("sdremote.bluetooth", "Couldn't handle message correctly.");
962 0 : return aRet;
963 :
964 : }
965 :
966 : static void
967 0 : setupBluez5Profile1(DBusConnection* pConnection, std::vector<Communicator*>* pCommunicators)
968 : {
969 : bool bErr;
970 :
971 : SAL_INFO("sdremote.bluetooth", "Attempting to register our org.bluez.Profile1");
972 : static DBusObjectPathVTable aVTable;
973 0 : aVTable.unregister_function = ProfileUnregisterFunction;
974 0 : aVTable.message_function = ProfileMessageFunction;
975 :
976 : // dbus_connection_try_register_object_path could be used but only exists for
977 : // dbus-glib >= 1.2 -- we really shouldn't be trying this twice in any case.
978 : // (dbus_connection_try_register_object_path also returns an error with more
979 : // information which could be useful for debugging purposes.)
980 0 : bErr = !dbus_connection_register_object_path(pConnection, "/org/libreoffice/bluez/profile1", &aVTable, pCommunicators);
981 :
982 0 : if (bErr)
983 : {
984 : SAL_WARN("sdremote.bluetooth", "Failed to register Bluez 5 Profile1 callback, bluetooth won't work.");
985 : }
986 :
987 0 : dbus_connection_flush( pConnection );
988 0 : }
989 :
990 : static void
991 0 : unregisterBluez5Profile(DBusConnection* pConnection)
992 : {
993 : DBusMessage* pMsg = dbus_message_new_method_call("org.bluez", "/org/bluez",
994 0 : "org.bluez.ProfileManager1", "UnregisterProfile");
995 : DBusMessageIter it;
996 0 : dbus_message_iter_init_append(pMsg, &it);
997 :
998 0 : const char *pPath = "/org/libreoffice/bluez/profile1";
999 0 : dbus_message_iter_append_basic(&it, DBUS_TYPE_OBJECT_PATH, &pPath);
1000 :
1001 0 : pMsg = sendUnrefAndWaitForReply( pConnection, pMsg );
1002 :
1003 0 : if (pMsg)
1004 0 : dbus_message_unref(pMsg);
1005 :
1006 0 : dbus_connection_unregister_object_path( pConnection, "/org/libreoffice/bluez/profile1");
1007 :
1008 0 : dbus_connection_flush(pConnection);
1009 0 : }
1010 :
1011 : static bool
1012 0 : registerBluez5Profile(DBusConnection* pConnection, std::vector<Communicator*>* pCommunicators)
1013 : {
1014 0 : setupBluez5Profile1(pConnection, pCommunicators);
1015 :
1016 : DBusMessage *pMsg;
1017 : DBusMessageIter it;
1018 :
1019 : pMsg = dbus_message_new_method_call("org.bluez", "/org/bluez",
1020 0 : "org.bluez.ProfileManager1", "RegisterProfile");
1021 0 : dbus_message_iter_init_append(pMsg, &it);
1022 :
1023 0 : const char *pPath = "/org/libreoffice/bluez/profile1";
1024 0 : dbus_message_iter_append_basic(&it, DBUS_TYPE_OBJECT_PATH, &pPath);
1025 0 : const char *pUUID = "spp"; // Bluez translates this to 0x1101 for spp
1026 0 : dbus_message_iter_append_basic(&it, DBUS_TYPE_STRING, &pUUID);
1027 :
1028 : DBusMessageIter aOptionsIter;
1029 0 : dbus_message_iter_open_container(&it, DBUS_TYPE_ARRAY, "{sv}", &aOptionsIter);
1030 :
1031 : DBusMessageIter aEntry;
1032 :
1033 : {
1034 0 : dbus_message_iter_open_container(&aOptionsIter, DBUS_TYPE_DICT_ENTRY, NULL, &aEntry);
1035 :
1036 0 : const char *pString = "Name";
1037 0 : dbus_message_iter_append_basic(&aEntry, DBUS_TYPE_STRING, &pString);
1038 :
1039 0 : const char *pValue = "LibreOffice Impress Remote";
1040 : DBusMessageIter aValue;
1041 0 : dbus_message_iter_open_container(&aEntry, DBUS_TYPE_VARIANT, "s", &aValue);
1042 0 : dbus_message_iter_append_basic(&aValue, DBUS_TYPE_STRING, &pValue);
1043 0 : dbus_message_iter_close_container(&aEntry, &aValue);
1044 0 : dbus_message_iter_close_container(&aOptionsIter, &aEntry);
1045 : }
1046 :
1047 0 : dbus_message_iter_close_container(&it, &aOptionsIter);
1048 :
1049 : // Other properties that we could set (but don't, since they appear
1050 : // to be useless for us):
1051 : // "Service": "0x1101" (not needed, but we used to have it in the manually defined profile).
1052 : // "Role": setting this to "server" breaks things, although we think we're a server?
1053 : // "Channel": seems to be dealt with automatically (but we used to use 5 in the manual profile).
1054 :
1055 0 : bool bSuccess = true;
1056 :
1057 0 : pMsg = sendUnrefAndWaitForReply( pConnection, pMsg );
1058 :
1059 : DBusError aError;
1060 0 : dbus_error_init(&aError);
1061 0 : if (pMsg && dbus_set_error_from_message( &aError, pMsg ))
1062 : {
1063 0 : bSuccess = false;
1064 : SAL_WARN("sdremote.bluetooth",
1065 : "Failed to register our Profile1 with bluez ProfileManager "
1066 : << (const char *)(aError.message ? aError.message : "<null>"));
1067 : }
1068 :
1069 0 : dbus_error_free(&aError);
1070 0 : if (pMsg)
1071 0 : dbus_message_unref(pMsg);
1072 :
1073 0 : dbus_connection_flush(pConnection);
1074 :
1075 0 : return bSuccess;
1076 : }
1077 :
1078 : #endif // LINUX_BLUETOOTH
1079 :
1080 0 : BluetoothServer::BluetoothServer( std::vector<Communicator*>* pCommunicators )
1081 : : meWasDiscoverable( UNKNOWN ),
1082 0 : mpCommunicators( pCommunicators )
1083 : {
1084 : #ifdef LINUX_BLUETOOTH
1085 : // D-Bus requires the following in order to be thread-safe (and we
1086 : // potentially access D-Bus from different threads in different places of
1087 : // the code base):
1088 0 : if (!dbus_threads_init_default()) {
1089 0 : throw std::bad_alloc();
1090 : }
1091 :
1092 0 : mpImpl.reset(new BluetoothServer::Impl());
1093 : #endif
1094 0 : }
1095 :
1096 0 : BluetoothServer::~BluetoothServer()
1097 : {
1098 0 : }
1099 :
1100 0 : void BluetoothServer::ensureDiscoverable()
1101 : {
1102 : #ifdef LINUX_BLUETOOTH
1103 : // Push it all across into our mainloop
1104 0 : if( !spServer )
1105 0 : return;
1106 0 : GSource *pIdle = g_idle_source_new();
1107 0 : g_source_set_callback( pIdle, ensureDiscoverable_cb, NULL, NULL );
1108 0 : g_source_set_priority( pIdle, G_PRIORITY_DEFAULT );
1109 0 : g_source_attach( pIdle, spServer->mpImpl->mpContext );
1110 0 : g_source_unref( pIdle );
1111 : #endif
1112 : }
1113 :
1114 0 : void BluetoothServer::restoreDiscoverable()
1115 : {
1116 : #ifdef LINUX_BLUETOOTH
1117 : // Push it all across into our mainloop
1118 0 : if( !spServer )
1119 0 : return;
1120 0 : GSource *pIdle = g_idle_source_new();
1121 0 : g_source_set_callback( pIdle, restoreDiscoverable_cb, NULL, NULL );
1122 0 : g_source_set_priority( pIdle, G_PRIORITY_DEFAULT_IDLE );
1123 0 : g_source_attach( pIdle, spServer->mpImpl->mpContext );
1124 0 : g_source_unref( pIdle );
1125 : #endif
1126 : }
1127 :
1128 0 : void BluetoothServer::doEnsureDiscoverable()
1129 : {
1130 : #ifdef LINUX_BLUETOOTH
1131 0 : if (!spServer->mpImpl->mpConnection ||
1132 0 : spServer->meWasDiscoverable != UNKNOWN )
1133 0 : return;
1134 :
1135 : // Find out if we are discoverable already ...
1136 0 : DBusObject *pAdapter = spServer->mpImpl->getAdapter();
1137 0 : if( !pAdapter )
1138 0 : return;
1139 :
1140 0 : bool bDiscoverable = getDiscoverable(spServer->mpImpl->mpConnection, pAdapter );
1141 :
1142 0 : spServer->meWasDiscoverable = bDiscoverable ? DISCOVERABLE : NOT_DISCOVERABLE;
1143 0 : if( !bDiscoverable )
1144 0 : setDiscoverable( spServer->mpImpl->mpConnection, pAdapter, true );
1145 :
1146 0 : delete pAdapter;
1147 : #endif
1148 : }
1149 :
1150 0 : void BluetoothServer::doRestoreDiscoverable()
1151 : {
1152 0 : if( spServer->meWasDiscoverable == NOT_DISCOVERABLE )
1153 : {
1154 : #ifdef LINUX_BLUETOOTH
1155 0 : DBusObject *pAdapter = spServer->mpImpl->getAdapter();
1156 0 : if( !pAdapter )
1157 0 : return;
1158 0 : setDiscoverable( spServer->mpImpl->mpConnection, pAdapter, false );
1159 0 : delete pAdapter;
1160 : #endif
1161 : }
1162 0 : spServer->meWasDiscoverable = UNKNOWN;
1163 : }
1164 :
1165 : // We have to have all our clients shut otherwise we can't
1166 : // re-bind to the same port number it appears.
1167 0 : void BluetoothServer::cleanupCommunicators()
1168 : {
1169 0 : for (std::vector<Communicator *>::iterator it = mpCommunicators->begin();
1170 0 : it != mpCommunicators->end(); ++it)
1171 0 : (*it)->forceClose();
1172 : // the hope is that all the threads then terminate cleanly and
1173 : // clean themselves up.
1174 0 : }
1175 :
1176 0 : void SAL_CALL BluetoothServer::run()
1177 : {
1178 : SAL_INFO( "sdremote.bluetooth", "BluetoothServer::run called" );
1179 0 : osl::Thread::setName("BluetoothServer");
1180 : #ifdef LINUX_BLUETOOTH
1181 0 : DBusConnection *pConnection = dbusConnectToNameOnBus();
1182 0 : if( !pConnection )
1183 0 : return;
1184 :
1185 :
1186 : // For either implementation we need to poll the dbus fd
1187 0 : int fd = -1;
1188 : GPollFD aDBusFD;
1189 0 : if( dbus_connection_get_unix_fd( pConnection, &fd ) && fd >= 0 )
1190 : {
1191 0 : aDBusFD.fd = fd;
1192 0 : aDBusFD.events = G_IO_IN | G_IO_PRI;
1193 0 : g_main_context_add_poll( mpImpl->mpContext, &aDBusFD, G_PRIORITY_DEFAULT );
1194 : }
1195 : else
1196 : SAL_WARN( "sdremote.bluetooth", "failed to poll for incoming dbus signals" );
1197 :
1198 0 : if (isBluez5Available(pConnection))
1199 : {
1200 : SAL_INFO("sdremote.bluetooth", "Using Bluez 5");
1201 0 : registerBluez5Profile(pConnection, mpCommunicators);
1202 0 : mpImpl->mpConnection = pConnection;
1203 0 : mpImpl->maBluezVersion = Impl::BLUEZ5;
1204 :
1205 : // We don't need to listen to adapter changes anymore -- profile
1206 : // registration is done globally for the entirety of bluez, so we only
1207 : // need adapters when setting discovereability, which can be done
1208 : // dyanmically without the need to listen for changes.
1209 :
1210 : // TODO: exit on SD deinit
1211 : // Probably best to do that in SdModule::~SdModule?
1212 0 : while (!mpImpl->mbExitMainloop)
1213 : {
1214 0 : aDBusFD.revents = 0;
1215 0 : g_main_context_iteration( mpImpl->mpContext, TRUE );
1216 0 : if( aDBusFD.revents )
1217 : {
1218 0 : dbus_connection_read_write( pConnection, 0 );
1219 0 : while (DBUS_DISPATCH_DATA_REMAINS == dbus_connection_get_dispatch_status( pConnection ))
1220 0 : dbus_connection_dispatch( pConnection );
1221 : }
1222 : }
1223 0 : unregisterBluez5Profile( pConnection );
1224 0 : g_main_context_unref( mpImpl->mpContext );
1225 0 : mpImpl->mpConnection = NULL;
1226 0 : mpImpl->mpContext = NULL;
1227 0 : return;
1228 : }
1229 :
1230 : // Otherwise we could be on Bluez 4 and continue as usual.
1231 0 : mpImpl->maBluezVersion = Impl::BLUEZ4;
1232 :
1233 : // Try to setup the default adapter, otherwise wait for add/remove signal
1234 0 : mpImpl->mpService = registerWithDefaultAdapter( pConnection );
1235 : // listen for connection state and power changes - we need to close
1236 : // and re-create our socket code on suspend / resume, enable/disable
1237 : DBusError aError;
1238 0 : dbus_error_init( &aError );
1239 0 : dbus_bus_add_match( pConnection, "type='signal',interface='org.bluez.Manager'", &aError );
1240 0 : dbus_connection_flush( pConnection );
1241 :
1242 : // Try to setup the default adapter, otherwise wait for add/remove signal
1243 0 : mpImpl->mpService = registerWithDefaultAdapter( pConnection );
1244 :
1245 : // poll on our bluetooth socket - if we can.
1246 : GPollFD aSocketFD;
1247 0 : if( mpImpl->mpService )
1248 0 : bluezCreateAttachListeningSocket( mpImpl->mpContext, &aSocketFD );
1249 :
1250 0 : mpImpl->mpConnection = pConnection;
1251 :
1252 0 : while( !mpImpl->mbExitMainloop )
1253 : {
1254 0 : aDBusFD.revents = 0;
1255 0 : aSocketFD.revents = 0;
1256 0 : g_main_context_iteration( mpImpl->mpContext, TRUE );
1257 :
1258 : SAL_INFO( "sdremote.bluetooth", "main-loop spin "
1259 : << aDBusFD.revents << " " << aSocketFD.revents );
1260 0 : if( aDBusFD.revents )
1261 : {
1262 0 : dbus_connection_read_write( pConnection, 0 );
1263 0 : DBusMessage *pMsg = dbus_connection_pop_message( pConnection );
1264 0 : if( pMsg )
1265 : {
1266 0 : if( dbus_message_is_signal( pMsg, "org.bluez.Manager", "AdapterRemoved" ) )
1267 : {
1268 : SAL_WARN( "sdremote.bluetooth", "lost adapter - cleaning up sockets" );
1269 0 : bluezDetachCloseSocket( mpImpl->mpContext, &aSocketFD );
1270 0 : cleanupCommunicators();
1271 : }
1272 0 : else if( dbus_message_is_signal( pMsg, "org.bluez.Manager", "AdapterAdded" ) ||
1273 0 : dbus_message_is_signal( pMsg, "org.bluez.Manager", "DefaultAdapterChanged" ) )
1274 : {
1275 : SAL_WARN( "sdremote.bluetooth", "gained adapter - re-generating sockets" );
1276 0 : bluezDetachCloseSocket( mpImpl->mpContext, &aSocketFD );
1277 0 : cleanupCommunicators();
1278 0 : mpImpl->mpService = registerWithDefaultAdapter( pConnection );
1279 0 : if( mpImpl->mpService )
1280 0 : bluezCreateAttachListeningSocket( mpImpl->mpContext, &aSocketFD );
1281 : }
1282 : else
1283 : SAL_INFO( "sdremote.bluetooth", "unknown incoming dbus message, "
1284 : << " type: " << dbus_message_get_type( pMsg )
1285 : << " path: '" << dbus_message_get_path( pMsg )
1286 : << "' interface: '" << dbus_message_get_interface( pMsg )
1287 : << "' member: '" << dbus_message_get_member( pMsg ) );
1288 : }
1289 0 : dbus_message_unref( pMsg );
1290 : }
1291 :
1292 0 : if( aSocketFD.revents )
1293 : {
1294 : sockaddr_rc aRemoteAddr;
1295 0 : socklen_t aRemoteAddrLen = sizeof(aRemoteAddr);
1296 :
1297 : int nClient;
1298 : SAL_INFO( "sdremote.bluetooth", "performing accept" );
1299 0 : if ( ( nClient = accept( aSocketFD.fd, (sockaddr*) &aRemoteAddr, &aRemoteAddrLen)) < 0 &&
1300 0 : errno != EAGAIN )
1301 : {
1302 : SAL_WARN( "sdremote.bluetooth", "accept failed with errno " << errno );
1303 : } else {
1304 : SAL_INFO( "sdremote.bluetooth", "connection accepted " << nClient );
1305 0 : Communicator* pCommunicator = new Communicator( new BufferedStreamSocket( nClient ) );
1306 0 : mpCommunicators->push_back( pCommunicator );
1307 0 : pCommunicator->launch();
1308 : }
1309 : }
1310 : }
1311 :
1312 0 : unregisterBluez5Profile( pConnection );
1313 0 : g_main_context_unref( mpImpl->mpContext );
1314 0 : mpImpl->mpConnection = NULL;
1315 0 : mpImpl->mpContext = NULL;
1316 :
1317 : #elif defined(WIN32)
1318 : WORD wVersionRequested;
1319 : WSADATA wsaData;
1320 :
1321 : wVersionRequested = MAKEWORD(2, 2);
1322 :
1323 : if ( WSAStartup(wVersionRequested, &wsaData) )
1324 : {
1325 : return; // winsock dll couldn't be loaded
1326 : }
1327 :
1328 : int aSocket = socket( AF_BTH, SOCK_STREAM, BTHPROTO_RFCOMM );
1329 : if ( !aSocket )
1330 : {
1331 : WSACleanup();
1332 : return;
1333 : }
1334 : SOCKADDR_BTH aAddr;
1335 : aAddr.addressFamily = AF_BTH;
1336 : aAddr.btAddr = 0;
1337 : aAddr.serviceClassId = GUID_NULL;
1338 : aAddr.port = BT_PORT_ANY; // Select any free socket.
1339 : if ( bind( aSocket, (SOCKADDR*) &aAddr, sizeof(aAddr) ) == SOCKET_ERROR )
1340 : {
1341 : closesocket( aSocket );
1342 : WSACleanup();
1343 : return;
1344 : }
1345 :
1346 : SOCKADDR aName;
1347 : int aNameSize = sizeof(aAddr);
1348 : getsockname( aSocket, &aName, &aNameSize ); // Retrieve the local address and port
1349 :
1350 : CSADDR_INFO aAddrInfo;
1351 : memset( &aAddrInfo, 0, sizeof(aAddrInfo) );
1352 : aAddrInfo.LocalAddr.lpSockaddr = &aName;
1353 : aAddrInfo.LocalAddr.iSockaddrLength = sizeof( SOCKADDR_BTH );
1354 : aAddrInfo.RemoteAddr.lpSockaddr = &aName;
1355 : aAddrInfo.RemoteAddr.iSockaddrLength = sizeof( SOCKADDR_BTH );
1356 : aAddrInfo.iSocketType = SOCK_STREAM;
1357 : aAddrInfo.iProtocol = BTHPROTO_RFCOMM;
1358 :
1359 : // To be used for setting a custom UUID once available.
1360 : // GUID uuid;
1361 : // uuid.Data1 = 0x00001101;
1362 : // memset( &uuid, 0x1000 + UUID*2^96, sizeof( GUID ) );
1363 : // uuid.Data2 = 0;
1364 : // uuid.Data3 = 0x1000;
1365 : // ULONGLONG aData4 = 0x800000805F9B34FB;
1366 : // memcpy( uuid.Data4, &aData4, sizeof(uuid.Data4) );
1367 :
1368 : WSAQUERYSET aRecord;
1369 : memset( &aRecord, 0, sizeof(aRecord));
1370 : aRecord.dwSize = sizeof(aRecord);
1371 : aRecord.lpszServiceInstanceName = (char *)"LibreOffice Impress Remote Control";
1372 : aRecord.lpszComment = (char *)"Remote control of presentations over bluetooth.";
1373 : aRecord.lpServiceClassId = (LPGUID) &SerialPortServiceClass_UUID;
1374 : aRecord.dwNameSpace = NS_BTH;
1375 : aRecord.dwNumberOfCsAddrs = 1;
1376 : aRecord.lpcsaBuffer = &aAddrInfo;
1377 :
1378 : if ( WSASetService( &aRecord, RNRSERVICE_REGISTER, 0 ) == SOCKET_ERROR )
1379 : {
1380 : closesocket( aSocket );
1381 : WSACleanup();
1382 : return;
1383 : }
1384 :
1385 : if ( listen( aSocket, 1 ) == SOCKET_ERROR )
1386 : {
1387 : closesocket( aSocket );
1388 : WSACleanup();
1389 : return;
1390 : }
1391 :
1392 : SOCKADDR_BTH aRemoteAddr;
1393 : int aRemoteAddrLen = sizeof(aRemoteAddr);
1394 : while ( true )
1395 : {
1396 : SOCKET socket;
1397 : if ( (socket = accept(aSocket, (sockaddr*) &aRemoteAddr, &aRemoteAddrLen)) == INVALID_SOCKET )
1398 : {
1399 : closesocket( aSocket );
1400 : WSACleanup();
1401 : return;
1402 : } else {
1403 : Communicator* pCommunicator = new Communicator( new BufferedStreamSocket( socket) );
1404 : mpCommunicators->push_back( pCommunicator );
1405 : pCommunicator->launch();
1406 : }
1407 : }
1408 :
1409 : #elif defined(MACOSX)
1410 : // Build up dictionary at run-time instead of bothering with a
1411 : // .plist file, using the Objective-C API
1412 :
1413 : // Compare to BluetoothServiceRecord.hxx
1414 :
1415 : NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
1416 :
1417 : NSDictionary *dict =
1418 : [NSDictionary dictionaryWithObjectsAndKeys:
1419 :
1420 : // Service class ID list
1421 : [NSArray arrayWithObject:
1422 : [IOBluetoothSDPUUID uuid16: kBluetoothSDPUUID16ServiceClassSerialPort]],
1423 : @"0001 - ServiceClassIDList",
1424 :
1425 : // Protocol descriptor list
1426 : [NSArray arrayWithObjects:
1427 : [NSArray arrayWithObject: [IOBluetoothSDPUUID uuid16: kBluetoothSDPUUID16L2CAP]],
1428 : [NSArray arrayWithObjects:
1429 : [IOBluetoothSDPUUID uuid16: kBluetoothL2CAPPSMRFCOMM],
1430 : [NSDictionary dictionaryWithObjectsAndKeys:
1431 : [NSNumber numberWithInt: 1],
1432 : @"DataElementSize",
1433 : [NSNumber numberWithInt: 1],
1434 : @"DataElementType",
1435 : [NSNumber numberWithInt: 5], // RFCOMM port number, will be replaced if necessary automatically
1436 : @"DataElementValue",
1437 : nil],
1438 : nil],
1439 : nil],
1440 : @"0004 - Protocol descriptor list",
1441 :
1442 : // Browse group list
1443 : [NSArray arrayWithObject:
1444 : [IOBluetoothSDPUUID uuid16: kBluetoothSDPUUID16ServiceClassPublicBrowseGroup]],
1445 : @"0005 - BrowseGroupList",
1446 :
1447 : // Language base attribute ID list
1448 : [NSArray arrayWithObjects:
1449 : [NSData dataWithBytes: "en" length: 2],
1450 : [NSDictionary dictionaryWithObjectsAndKeys:
1451 : [NSNumber numberWithInt: 2],
1452 : @"DataElementSize",
1453 : [NSNumber numberWithInt: 1],
1454 : @"DataElementType",
1455 : [NSNumber numberWithInt: 0x006a], // encoding
1456 : @"DataElementValue",
1457 : nil],
1458 : [NSDictionary dictionaryWithObjectsAndKeys:
1459 : [NSNumber numberWithInt: 2],
1460 : @"DataElementSize",
1461 : [NSNumber numberWithInt: 1],
1462 : @"DataElementType",
1463 : [NSNumber numberWithInt: 0x0100], // offset
1464 : @"DataElementValue",
1465 : nil],
1466 : nil],
1467 : @"0006 - LanguageBaseAttributeIDList",
1468 :
1469 : // Bluetooth profile descriptor list
1470 : [NSArray arrayWithObject:
1471 : [NSArray arrayWithObjects:
1472 : [IOBluetoothSDPUUID uuid16: kBluetoothSDPUUID16ServiceClassSerialPort],
1473 : [NSDictionary dictionaryWithObjectsAndKeys:
1474 : [NSNumber numberWithInt: 2],
1475 : @"DataElementSize",
1476 : [NSNumber numberWithInt: 1],
1477 : @"DataElementType",
1478 : [NSNumber numberWithInt: 0x0100], // version number ?
1479 : @"DataElementValue",
1480 : nil],
1481 : nil]],
1482 : @"0009 - BluetoothProfileDescriptorList",
1483 :
1484 : // Attributes pointed to by the LanguageBaseAttributeIDList
1485 : @"LibreOffice Impress Remote Control",
1486 : @"0100 - ServiceName",
1487 : @"The Document Foundation",
1488 : @"0102 - ProviderName",
1489 : nil];
1490 :
1491 : // Create service
1492 : IOBluetoothSDPServiceRecordRef serviceRecordRef;
1493 : IOReturn rc = IOBluetoothAddServiceDict((CFDictionaryRef) dict, &serviceRecordRef);
1494 :
1495 : SAL_INFO("sdremote.bluetooth", "IOBluetoothAddServiceDict returned " << rc);
1496 :
1497 : if (rc == kIOReturnSuccess)
1498 : {
1499 : IOBluetoothSDPServiceRecord *serviceRecord =
1500 : [IOBluetoothSDPServiceRecord withSDPServiceRecordRef: serviceRecordRef];
1501 :
1502 : BluetoothRFCOMMChannelID channelID;
1503 : [serviceRecord getRFCOMMChannelID: &channelID];
1504 :
1505 : BluetoothSDPServiceRecordHandle serviceRecordHandle;
1506 : [serviceRecord getServiceRecordHandle: &serviceRecordHandle];
1507 :
1508 : // Register callback for incoming connections
1509 : IOBluetoothUserNotificationRef callbackRef =
1510 : IOBluetoothRegisterForFilteredRFCOMMChannelOpenNotifications(
1511 : incomingCallback,
1512 : this,
1513 : channelID,
1514 : kIOBluetoothUserNotificationChannelDirectionIncoming);
1515 :
1516 : (void) callbackRef;
1517 :
1518 : [serviceRecord release];
1519 : }
1520 :
1521 : [pool release];
1522 :
1523 : (void) mpCommunicators;
1524 : #else
1525 : (void) mpCommunicators; // avoid warnings about unused member
1526 : #endif
1527 : }
1528 :
1529 : BluetoothServer *sd::BluetoothServer::spServer = NULL;
1530 :
1531 0 : void BluetoothServer::setup( std::vector<Communicator*>* pCommunicators )
1532 : {
1533 0 : if (spServer)
1534 0 : return;
1535 :
1536 0 : spServer = new BluetoothServer( pCommunicators );
1537 0 : spServer->create();
1538 0 : }
1539 :
1540 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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