qirserver.cpp

Trolltech公司发布的图形界面操作系统。可在qt-embedded-2.3.10平台上编译为嵌入式图形界面操作系统。

QObexServer::QObexServer( QObject *parent, const char *name )
  :QObexBase( parent, name )
{

    state = Error;
    self = OBEX_Init( OBEX_TRANS_IRDA, qobex_server_callback, 
		      OBEX_FL_KEEPSERVER );
    state = Init;
    OBEX_SetUserData( self, this );

    // XXX To support OBEX other than IrDA, register those services here.
    // XXX (somehow)

    if(IrOBEX_ServerRegister(self, "OBEX") < 0) {
	qWarning( "could not register server" );
	state = Error;
    } else {
      connectSocket();
    }
    m_receiver = 0;
    m_receiving = FALSE;
    m_timer = 0;
}



QObexServer::~QObexServer()
{
    //cleanup
}

void QObexServer::doPending()
{
    //nothing, it's stateless
}

void QObexServer::spawnReceiver( obex_t *handle )
{
    ASSERT( handle == self );

    // we emit this here, as doing in in QObexReceiver could cause race conditions
    
#ifdef QTOPIA_DEBUG_OBEX
    qDebug("QObexServer::spawnReceiver()");
#endif
    if( m_timer && m_timer->isActive() )
	m_timer->stop(); // spawning a new receiver, don't timeout

    m_receiver = new QObexReceiver( handle, this );

    connect( m_receiver, SIGNAL(fileComplete()), parent(), SIGNAL(fileComplete()) );
    connect( m_receiver, SIGNAL(aboutToDelete()), this, SLOT(sessionEnded()) );
    connect( m_receiver, SIGNAL(receiving(int,const QString&,const QString&)),
	     parent(), SIGNAL(receiving(int,const QString&,const QString&)) );
    connect( m_receiver, SIGNAL(progress(int)),
	     parent(), SIGNAL(progressReceive(int)) );
    /* don't enable unless you know what you're doing
    connect( m_receiver, SIGNAL(received(const QString&,const QString&)),
	     parent(), SIGNAL(received(const QString&,const QString&)) );
     */
    
    connect( m_receiver, SIGNAL(receiving(bool)), this, SLOT(slotReceiving(bool)) );
    slotReceiving( TRUE );

    connect( parent(), SIGNAL(abortReceive()), m_receiver, SLOT(abort()) );
    connect( m_receiver, SIGNAL(error()), parent(), SLOT(rError()) );
    
}

void QObexServer::sessionEnded()
{
#ifdef QTOPIA_DEBUG_OBEX
    qDebug("Receive Session Ended");
#endif
    if( m_receiver->linkErrFinish() ) { // session finished with a linkerr
	//work around for Siemens S45
	//if another receive session is not started within 5 seconds,
	//assume there are no more files because there is no definite
	//way to tell
	if( !m_timer ) {
	    m_timer = new QTimer( this );
	    connect( m_timer, SIGNAL(timeout()), this, SLOT(finishedReceive()) );
	}
	m_timer->start( 3000 );
    }
}

void QObexServer::finishedReceive()
{
#ifdef QTOPIA_DEBUG_OBEX
    qDebug("finishedReceive");
#endif
    if( m_timer )
	m_timer->stop();
    m_receiving = FALSE;
    emit receiving( FALSE );
}

void QObexServer::slotReceiving( bool r )
{
#ifdef QTOPIA_DEBUG_OBEX
    qDebug("QObexServer::slotReceiving( %s )", r ?"TRUE" : "FALSE");
#endif
    if( !r && m_receiving && m_receiver->linkErrFinish() ) {
#ifdef QTOPIA_DEBUG_OBEX
	qDebug("LINK ERROR FINISH");
#endif
	 //finished a file successfully due to link error, may not be totally finished
	r = TRUE;
    }
    if( m_receiving != r ) {
	m_receiving = r;
	emit receiving( r );
    }
}

static void qobex_server_callback(obex_t *handle, obex_object_t * object, int mode, int event, int obex_cmd, int obex_rsp)
{

#ifdef QTOPIA_DEBUG_OBEX
    qDebug( "qobex_server_callback %p event %x cmd %x rsp %x", object, event, obex_cmd, obex_rsp );
#else
    Q_UNUSED(object);
    Q_UNUSED(obex_cmd);
    Q_UNUSED(obex_rsp);
#endif
    Q_UNUSED(mode);

    QObexServer* server = 
	(QObexServer*)OBEX_GetUserData( handle );

    switch (event)        {
    case OBEX_EV_ACCEPTHINT:
	{
#ifdef QTOPIA_DEBUG_OBEX
	    qDebug( "#####------ OBEX_EV_ACCEPTHINT ------########" );
#endif

	    server->spawnReceiver( handle );
	}
	break;
    default:
	qWarning( " Unexpected event in server" );
	break;
    }

}



/*

  QObexReceiver functions

*/



QObexReceiver::QObexReceiver( obex_t *handle, QObject *parent, const char *name )
  :QObexBase( parent, name )
{
    state = Error; reclen = 0;
    m_linkErrFinish = FALSE;

    state = Receiving;
    self = OBEX_ServerAccept( handle, qobex_receiver_callback,
			      this );
    connectSocket();

}


QObexReceiver::~QObexReceiver()
{
}



static QString getString( const uchar* bs, int len )
{
    // qDebug( "getString" );
    /*
    for ( int i = 0; i < len; i++ )
	qDebug( "byte %2d : %02x %c", i, bs[i], bs[i] );
    */
    QString s;
    s.setUnicode( (const QChar*)bs, len/2-1 );
    return s;
}

#define HDR_DESCRIPTION 0x05


void QObexReceiver::getHeaders( obex_object_t *object )
{
    uchar hi;
    obex_headerdata_t hv;
    unsigned int hv_size;
    while(OBEX_ObjectGetNextHeader(self, object, &hi, &hv, &hv_size))	{

	switch ( hi ) {

	case OBEX_HDR_LENGTH:
#ifdef QTOPIA_DEBUG_OBEX
	    qDebug( "******** Got length %d", hv.bq4 );
#endif
	    reclen = hv.bq4;
	    break;

	case OBEX_HDR_NAME:
	    filename = getString(hv.bs, hv_size);
#ifdef QTOPIA_DEBUG_OBEX
	    qDebug( "******** Got name %s (%d)", 
			getString(hv.bs, hv_size).latin1(), hv_size );
#endif
	    break;


	case HDR_DESCRIPTION:
#ifdef QTOPIA_DEBUG_OBEX
	    qDebug( "******** Got description %s (%d)", 
			getString(hv.bs, hv_size).latin1(), hv_size );
#endif
	    break;



	case OBEX_HDR_TYPE:
	    mimetype = QString::fromLatin1( (const char*)hv.bs, hv_size );
#ifdef QTOPIA_DEBUG_OBEX
	    qDebug( "******** Got type \"%s\"", mimetype.latin1() );
#endif
	    break;


	default:
#ifdef QTOPIA_DEBUG_OBEX
	    if ( hi < 0x40 ) //unicode header
		qDebug( "******** Got header 0x%x %s (%d)", hi, 
			getString(hv.bs, hv_size).latin1(), hv_size );
	    else if ( (hi & 0xc0) == 0xc0 ) // quantity [eg. cf = PalmOS Creator ID]
		qDebug( "******** Got header 0x%x (%d)", hi, hv.bq4 );
	    else
		qDebug( "******** Got header 0x%x (size=%d)", hi, hv_size );
#endif
	    ;
	}
    }
}

void QObexReceiver::readData( obex_object_t *object )
{
    const uchar* buf;
    int len = OBEX_ObjectReadStream( self, object, &buf );

    if ( filename.isEmpty() ) {
	getHeaders( object );

	int slash = filename.find( '/', -1 );
	if ( slash > 0 ) {
	    filename = filename.mid( slash+1 );
	}

	if ( mimetype.isNull() ) {
	    QString ext = filename.mid( filename.findRev( '.', -1 )+1 ).lower();
	    if( ext == "vcs" ) {
		mimetype = "text/x-vCalendar";
	    } else if( ext == "vcf" ) {
		mimetype = "text/x-vCard";
	    } else {
		MimeType mt(filename);
		mimetype = mt.id();
	    }
	} 

	if ( filename.isEmpty() )
	    filename = "unnamed"; // No tr

	
	for( int i = 0 ; i < (int)filename.length() ; ++i)
	    if( filename[i] != '.' && 
			    (filename[i].isPunct() || filename[i].isSpace()) )
		filename[i] = '_'; //ensure it's something valid

#ifdef QTOPIA_DEBUG_OBEX
	qDebug("emit receiving( %d, %s, %s )", reclen, filename.latin1(), mimetype.latin1());
#endif
	emit receiving( reclen, filename, mimetype );

	filename = "/tmp/obex/in/" + filename;
	
	outfile.setName( filename );
	if( !outfile.open( IO_WriteOnly ) )
	    qWarning("Unable to open file %s for IR receive", filename.latin1());

    } 
    if ( len > 0 ) {
	if( outfile.isOpen() ) // if unable to open outfile don't write to it
	    outfile.writeBlock( (const char*)buf, len );
    } else if ( len == 0 ) {
	outfile.close();
	filename = QString::null;
	emit fileComplete();
    } else {
	qWarning( "ERROR reading stream" );
	emit error();
	filename = QString::null;
	outfile.close();
    }
    finished = ( len <= 0 );
}

void QIrServer::clean()
{
#ifdef QTOPIA_DEBUG_OBEX
    qDebug("QIrServer::clean");
#endif
    //just blow it all away and recreate the dir
    system("rm -rf /tmp/obex/in/*");
    mkdir( "/tmp/obex", 0755 );
    mkdir( "/tmp/obex/in", 0755 );
}

void QObexReceiver::updateProgress( obex_object_t * /* obj */)
{
    emit progress( outfile.size() );
}


static void qobex_receiver_callback(obex_t *handle, obex_object_t *object, int mode, int event, int obex_cmd, int obex_rsp )
{
#ifdef QTOPIA_DEBUG_OBEX
    qDebug( "qobex_receiver_callback %p event %x cmd %x rsp %x", object, event, obex_cmd, obex_rsp );
#else
    Q_UNUSED(obex_rsp);
#endif
    Q_UNUSED(mode);

    QObexReceiver* receiver = 
	(QObexReceiver*)OBEX_GetUserData( handle );

    switch (event)        {

    case OBEX_EV_STREAMAVAIL:
#ifdef QTOPIA_DEBUG_OBEX
	qDebug("OBEX_EV_STREAMAVAIL");
#endif
	receiver->readData( object );
	break;
    case OBEX_EV_PROGRESS:
#ifdef QTOPIA_DEBUG_OBEX
	qDebug("OBEX_EV_PROGRESS");
#endif
	receiver->updateProgress( object );
	// report progress
	break;

    case OBEX_EV_REQ:
#ifdef QTOPIA_DEBUG_OBEX
	qDebug("OBEX_EV_REQ");
#endif
	/* An incoming request */
	switch(obex_cmd) {
	case OBEX_CMD_CONNECT:
	case OBEX_CMD_DISCONNECT:
#ifdef QTOPIA_DEBUG_OBEX
	qDebug("\tOBEX_CMD_CONNECT|OBEX_CMD_DISCONNECT");
#endif
	    /* Dont need to do anything here.
	       Response is already set to
	       success by OBEX_EV_REQHINT event */
	    break;
	case OBEX_CMD_PUT:
#ifdef QTOPIA_DEBUG_OBEX
	qDebug("\tOBEX_CMD_PUT");
#endif
	    //We do it all in STREAMAVAIL 
	    //receiver->handlePut(object);
	    break;
	}                 
	break;

    case OBEX_EV_ACCEPTHINT:

#ifdef QTOPIA_DEBUG_OBEX
	qDebug("OBEX_EV_ACCEPTHINT");
#endif
	//qFatal( " OBEX_EV_ACCEPTHINT in receiver" );
	OBEX_ObjectSetRsp(object, OBEX_RSP_NOT_IMPLEMENTED,
			  OBEX_RSP_NOT_IMPLEMENTED);
	break;

    case OBEX_EV_REQHINT:
#ifdef QTOPIA_DEBUG_OBEX
	qDebug("OBEX_EV_REQHINT");
#endif

	/* A new request is coming in */
	switch(obex_cmd) {
	    /* Accept some commands! */
	case OBEX_CMD_PUT:
#ifdef QTOPIA_DEBUG_OBJEX
	    qDebug("\tOBEX_CMD_PUT");
#endif
	    OBEX_ObjectSetRsp(object, OBEX_RSP_CONTINUE, OBEX_RSP_SUCCESS);
	//turn on streaming...
	    OBEX_ObjectReadStream(handle, object, NULL);
	    break;


	case OBEX_CMD_CONNECT:
	case OBEX_CMD_DISCONNECT:
#ifdef QTOPIA_DEBUG_OBJEX
	    qDebug("\tOBEX_CMD_CONNECT|OBEX_CMD_DISCONNECT");
#endif
	    OBEX_ObjectSetRsp(object, OBEX_RSP_CONTINUE, OBEX_RSP_SUCCESS);
	    break;
                
	default:
#ifdef QTOPIA_DEBUG_OBJEX
	    qDebug("OBEX_CMD_UNKNOWN");
#endif
	    /* Reject any other commands */                       
	    OBEX_ObjectSetRsp(object, OBEX_RSP_NOT_IMPLEMENTED,
			      OBEX_RSP_NOT_IMPLEMENTED);
	    break;
                
	}
	break;

    case OBEX_EV_REQDONE:
#ifdef QTOPIA_DEBUG_OBEX
	qDebug("OBEX_EV_REQDONE");
#endif
	if(obex_cmd == OBEX_CMD_DISCONNECT) {

	    receiver->state = QObexReceiver::Finished;
	    receiver->finished = TRUE;
	    // Disconnect transport:
	    OBEX_TransportDisconnect( handle );
	}
	break;

    case OBEX_EV_LINKERR:
#ifdef QTOPIA_DEBUG_OBEX
	qDebug("OBEX_EV_LINKERR");
#endif
	if ( !receiver->reclen || receiver->reclen == (int)receiver->outfile.size() ) {
	    // just treat is as finished. Some mobile phones behave this way.
	    if( receiver->reclen ) {
		receiver->m_linkErrFinish = TRUE;
	    }
	    receiver->state = QObexReceiver::Finished; 
	} else {
	    receiver->state = QObexReceiver::Error;
	}
	receiver->finished = TRUE;
	// Disconnect transport:
	OBEX_TransportDisconnect( handle );
	break;

    default:
	break;
    }

}

void QObexReceiver::doPending()
{
    if ( state == Finished || state == Error ) {
	if ( !aborted ) {
	    deleteMeLater();
	    if ( state == Error ) {
		emit error();
	    }
	}
#ifdef QTOPIA_DEBUG_OBEX
	qDebug("emitting receiving( FALSE ) from doPending");
#endif
	emit receiving(FALSE);
    }
}


#include "qirserver.moc"

QIrServer::QIrServer( QObject *parent, const char *name )
    :QObject( parent, name )
{
    QObexServer* server = new QObexServer( this );
    connect(server, SIGNAL(receiving(bool)), this, SLOT(receiving(bool)) );
    bip = rip = FALSE;

    clean();
    needClean = FALSE;
}

QIrServer::~QIrServer()
{
}

void QIrServer::beam( const QString& filename, const QString& mimetype )
{
    if ( bip ) {
	qDebug("QIrServer not ready, beaming disallowed");
	emit beamError();
	return;
    }
#ifdef QTOPIA_DEBUG_OBEX
    qDebug("beaming %s (type %s)", filename.data(), mimetype.latin1() );
#endif
    bip = TRUE;
    
    QObexSender *sender = new QObexSender( this );

    connect( this, SIGNAL(abortBeam()), sender, SLOT(abort()) );
    
    connect( sender, SIGNAL(done()), this, SLOT(bDone()) );
    connect( sender, SIGNAL(error()), this, SLOT(bError()) );
    connect( sender, SIGNAL(statusMsg(const QString&)), this, SIGNAL(statusMsg(const QString&)) );
    connect( sender, SIGNAL(progress(int)), this, SIGNAL( progressSend(int) ) );
    
    sender->beam( filename, mimetype );
    
    //fire-and forget, auto-cleanup
}

void QIrServer::receiving(bool b)
{
    if ( rip != b ) {
	rip = b;

	if ( rip ) {
	    emit receiveInit();
	} else {
	    emit receiveDone();
	}
#ifdef QTOPIA_DEBUG_OBEX
	    qDebug("QIrServer::receiving(%s)", b ? "TRUE" : "FALSE");
#endif
	if( b && needClean ) {
	    clean();
	    needClean = FALSE;
	}
	if( !b ) // after change to not receiving, need to clean next time receiving
	    needClean = TRUE;
    }
}

void QIrServer::rError()
{
    rip = FALSE;
    emit receiveError();
}

void QIrServer::bDone()
{
    bip = FALSE;
    emit beamDone();
}

void QIrServer::bError()
{
    bip = FALSE;
    emit beamError();
}

void QIrServer::cancelBeam()
{
    // internal signal
    emit abortBeam();
    
    //external (this goes to qir)
    bError();
}

void QIrServer::cancelReceive()
{
    // internal signal
    emit abortReceive();
    
    //external (this goes to qir)
    rError();
}

void QIrServer::setReceivingEnabled( bool )
{
    //XXX

}