static rfbBool resize(rfbClient* client) {
	static char first=TRUE;
#ifdef SDL_ASYNCBLIT
	int flags=SDL_HWSURFACE|SDL_ASYNCBLIT|SDL_HWACCEL;
#else
	int flags=SDL_HWSURFACE|SDL_HWACCEL;
#endif
	int width=client->width,height=client->height,
		depth=client->format.bitsPerPixel;
	client->updateRect.x = client->updateRect.y = 0;
	client->updateRect.w = width; client->updateRect.h = height;
	rfbBool okay=SDL_VideoModeOK(width,height,depth,flags);
	if(!okay)
		for(depth=24;!okay && depth>4;depth/=2)
			okay=SDL_VideoModeOK(width,height,depth,flags);
	if(okay) {
		SDL_Surface* sdl=SDL_SetVideoMode(width,height,depth,flags);
		rfbClientSetClientData(client, SDL_Init, sdl);
		client->width = sdl->pitch / (depth / 8);
		client->frameBuffer=sdl->pixels;
		if(first || depth!=client->format.bitsPerPixel) {
			first=FALSE;
			client->format.bitsPerPixel=depth;
			client->format.redShift=sdl->format->Rshift;
			client->format.greenShift=sdl->format->Gshift;
			client->format.blueShift=sdl->format->Bshift;
			client->format.redMax=sdl->format->Rmask>>client->format.redShift;
			client->format.greenMax=sdl->format->Gmask>>client->format.greenShift;
			client->format.blueMax=sdl->format->Bmask>>client->format.blueShift;
			SetFormatAndEncodings(client);
		}
	} else {
Example #2
0
/* Redraw the screen from the backing pixmap */
static gboolean expose_event (GtkWidget      *widget,
                              GdkEventExpose *event)
{
	static GdkImage *image = NULL;
	GdkCursor *cursor;
	GdkPixbuf *pixbuf;

	if (framebuffer_allocated == FALSE) {

		rfbClientSetClientData (cl, gtk_init, widget);

		image = gdk_drawable_get_image (widget->window, 0, 0,
		                                widget->allocation.width,
		                                widget->allocation.height);

		cl->frameBuffer= image->mem;

		cl->width  = widget->allocation.width;
		cl->height = widget->allocation.height;

		cl->format.bitsPerPixel = image->bits_per_pixel;
		cl->format.redShift     = image->visual->red_shift;
		cl->format.greenShift   = image->visual->green_shift;
		cl->format.blueShift    = image->visual->blue_shift;

		cl->format.redMax   = (1 << image->visual->red_prec) - 1;
		cl->format.greenMax = (1 << image->visual->green_prec) - 1;
		cl->format.blueMax  = (1 << image->visual->blue_prec) - 1;

#ifdef LIBVNCSERVER_CONFIG_LIBVA
		/* Allow libvncclient to use a more efficient way
		 * of putting the framebuffer on the screen when
		 * using the H.264 format.
		 */
		cl->outputWindow = GDK_WINDOW_XID(widget->window);
#endif

		SetFormatAndEncodings (cl);

		framebuffer_allocated = TRUE;

		/* Also disable local cursor */
                pixbuf = gdk_pixbuf_new_from_xpm_data(dot_cursor_xpm);
	        cursor = gdk_cursor_new_from_pixbuf(gdk_display_get_default(), pixbuf, dot_cursor_x_hot, dot_cursor_y_hot);
		g_object_unref(pixbuf);	
		gdk_window_set_cursor (gtk_widget_get_window(GTK_WIDGET(window)), cursor);
		gdk_cursor_unref(cursor);
	}

#ifndef LIBVNCSERVER_CONFIG_LIBVA
	gdk_draw_image (GDK_DRAWABLE (widget->window),
	                widget->style->fg_gc[gtk_widget_get_state(widget)],
	                image,
	                event->area.x, event->area.y,
	                event->area.x, event->area.y,
	                event->area.width, event->area.height);
#endif

	return FALSE;
}
Example #3
0
static rfbBool rfbInitConnection(rfbClient* client)
{
  /* Unless we accepted an incoming connection, make a TCP connection to the
     given VNC server */

  if (!client->listenSpecified) {
    if (!client->serverHost)
      return FALSE;
    if (client->destHost) {
      if (!ConnectToRFBRepeater(client,client->serverHost,client->serverPort,client->destHost,client->destPort))
        return FALSE;
    } else {
      if (!ConnectToRFBServer(client,client->serverHost,client->serverPort))
        return FALSE;
    }
  }

  /* Initialise the VNC connection, including reading the password */

  if (!InitialiseRFBConnection(client))
    return FALSE;

  client->width=client->si.framebufferWidth;
  client->height=client->si.framebufferHeight;
  if (!client->MallocFrameBuffer(client))
    return FALSE;

  if (!SetFormatAndEncodings(client))
    return FALSE;

  if (client->updateRect.x < 0) {
    client->updateRect.x = client->updateRect.y = 0;
    client->updateRect.w = client->width;
    client->updateRect.h = client->height;
  }

  if (client->appData.scaleSetting>1)
  {
      if (!SendScaleSetting(client, client->appData.scaleSetting))
          return FALSE;
      if (!SendFramebufferUpdateRequest(client,
			      client->updateRect.x / client->appData.scaleSetting,
			      client->updateRect.y / client->appData.scaleSetting,
			      client->updateRect.w / client->appData.scaleSetting,
			      client->updateRect.h / client->appData.scaleSetting,
			      FALSE))
	      return FALSE;
  }
  else
  {
      if (!SendFramebufferUpdateRequest(client,
			      client->updateRect.x, client->updateRect.y,
			      client->updateRect.w, client->updateRect.h,
			      FALSE))
      return FALSE;
  }

  return TRUE;
}
rfbBool VncClientThread::newclient(rfbClient *cl)
{
    VncClientThread *t = static_cast<VncClientThread*>(rfbClientGetClientData(cl, 0));
    Q_ASSERT(t);

    switch (t->quality()) {
    case RemoteView::High:
        cl->format.bitsPerPixel = MAX_COLOR_DEPTH;
        cl->appData.useBGR233 = 0;
        cl->appData.encodingsString = "copyrect hextile raw";
        cl->appData.compressLevel = 0;
        cl->appData.qualityLevel = 9;
        break;
    case RemoteView::Medium:
        cl->format.bitsPerPixel = 16;
        cl->appData.useBGR233 = 0;
        cl->appData.encodingsString = "tight zrle ultra copyrect hextile zlib corre rre raw";
        cl->appData.compressLevel = 5;
        cl->appData.qualityLevel = 7;
        break;
    case RemoteView::Low:
    case RemoteView::Unknown:
    default:
        cl->format.bitsPerPixel = 16; //TODO: add support for 8bit (needs color map)
        cl->appData.encodingsString = "tight zrle ultra copyrect hextile zlib corre rre raw";
        cl->appData.compressLevel = 9;
        cl->appData.qualityLevel = 1;
    }

    if(cl->format.bitsPerPixel == 16) {
        cl->format.depth = 16; //number of useful bits in the pixel value
        cl->format.redShift = 11;
        cl->format.greenShift = 5;
        cl->format.blueShift = 0;
        cl->format.redMax = 0x1f;
        cl->format.greenMax = 0x3f;
        cl->format.blueMax = 0x1f;
    } else {
        cl->format.depth = 24; //number of useful bits in the pixel value
        cl->format.redShift = 16;
        cl->format.greenShift = 8;
        cl->format.blueShift = 0;
        cl->format.redMax = 0xff;
        cl->format.greenMax = 0xff;
        cl->format.blueMax = 0xff;
    }

    delete [] t->m_frameBuffer; // do not leak if we get a new framebuffer size
    const int size = cl->width * cl->height * (cl->format.bitsPerPixel / 8);
    t->m_frameBuffer = new uint8_t[size];
    cl->frameBuffer = t->m_frameBuffer;
    memset(cl->frameBuffer, '\0', size);


    SetFormatAndEncodings(cl);

    return true;
}
Example #5
0
static rfbBool resize(rfbClient* client) {
  int width=client->width,height=client->height,
    depth=client->format.bitsPerPixel;

  client->updateRect.x = client->updateRect.y = 0;
  client->updateRect.w = width; client->updateRect.h = height;

  sdlWindow = SDL_CreateWindow("DRC VNC Viewer",//client->desktopName,
                               SDL_WINDOWPOS_UNDEFINED,
                               SDL_WINDOWPOS_UNDEFINED,
                               width, height,
                               SDL_WINDOW_OPENGL);
  sdlRenderer = SDL_CreateRenderer(sdlWindow, -1,
                                   SDL_RENDERER_ACCELERATED);
//                                 SDL_RENDERER_SOFTWARE);

  sdlTexture = SDL_CreateTexture(sdlRenderer,
                                 SDL_PIXELFORMAT_ARGB8888,
                                 SDL_TEXTUREACCESS_STREAMING,
                                 width, height);

  SDL_RenderCopy(sdlRenderer, sdlTexture, NULL, NULL);

  // blank the window
  SDL_SetRenderDrawColor(sdlRenderer, 0, 0, 0, 255);
  SDL_RenderClear(sdlRenderer);

  SDL_RenderPresent(sdlRenderer);

  SDL_PixelFormat *fmt = SDL_AllocFormat(SDL_PIXELFORMAT_ARGB8888);

  uint8_t *pixels = static_cast<uint8_t*>
                      (malloc(drc::kScreenWidth * drc::kScreenHeight *
                      fmt->BytesPerPixel));
  SDL_RenderReadPixels(sdlRenderer, NULL, SDL_PIXELFORMAT_ARGB8888, pixels,
    drc::kScreenWidth * fmt->BytesPerPixel);
  client->frameBuffer=pixels;

  client->format.bitsPerPixel = fmt->BitsPerPixel;
  client->format.redShift     = fmt->Rshift;
  client->format.greenShift   = fmt->Gshift;
  client->format.blueShift    = fmt->Bshift;
  client->format.redMax       = fmt->Rmask>>client->format.redShift;
  client->format.greenMax     = fmt->Gmask>>client->format.greenShift;
  client->format.blueMax      = fmt->Bmask>>client->format.blueShift;
  SetFormatAndEncodings(client);

  return TRUE;
}
Example #6
0
rfbBool VncClientThread::newclient(rfbClient *cl)
{
    VncClientThread *t = (VncClientThread*)rfbClientGetClientData(cl, 0);
    Q_ASSERT(t);

    const int width = cl->width, height = cl->height, depth = cl->format.bitsPerPixel;
    const int size = width * height * (depth / 8);
    if (t->frameBuffer)
        delete [] t->frameBuffer; // do not leak if we get a new framebuffer size
    t->frameBuffer = new uint8_t[size];
    cl->frameBuffer = t->frameBuffer;
    memset(cl->frameBuffer, '\0', size);
    cl->format.bitsPerPixel = 32;
    cl->format.redShift = 16;
    cl->format.greenShift = 8;
    cl->format.blueShift = 0;
    cl->format.redMax = 0xff;
    cl->format.greenMax = 0xff;
    cl->format.blueMax = 0xff;

    switch (t->quality()) {
    case RemoteView::High:
        cl->appData.useBGR233 = 0;
        cl->appData.encodingsString = "copyrect hextile raw";
        cl->appData.compressLevel = 0;
        cl->appData.qualityLevel = 9;
        break;
    case RemoteView::Medium:
        cl->appData.useBGR233 = 0;
        cl->appData.encodingsString = "tight zrle ultra copyrect hextile zlib corre rre raw";
        cl->appData.compressLevel = 5;
        cl->appData.qualityLevel = 7;
        break;
    case RemoteView::Low:
    case RemoteView::Unknown:
    default:
        cl->appData.useBGR233 = 1;
        cl->appData.encodingsString = "tight zrle ultra copyrect hextile zlib corre rre raw";
        cl->appData.compressLevel = 9;
        cl->appData.qualityLevel = 1;
    }

    SetFormatAndEncodings(cl);

    return true;
}
rfbBool VncClientThread::newclient(rfbClient *cl)
{
    VncClientThread *t = (VncClientThread*)rfbClientGetClientData(cl, 0);
    Q_ASSERT(t);

    //8bit color hack for Intel(r) AMT KVM "classic vnc" = vnc server built in in Intel Vpro chipsets.
    if (INTEL_AMT_KVM_STRING == cl->desktopName) {
        kDebug(5011) << "Intel(R) AMT KVM: switching to 8 bit color depth (workaround, recent libvncserver needed)";
        t->setColorDepth(bpp8);
    }
    setClientColorDepth(cl, t->colorDepth());

    const int width = cl->width, height = cl->height, depth = cl->format.bitsPerPixel;
    const int size = width * height * (depth / 8);
    if (t->frameBuffer)
        delete [] t->frameBuffer; // do not leak if we get a new framebuffer size
    t->frameBuffer = new uint8_t[size];
    cl->frameBuffer = t->frameBuffer;
    memset(cl->frameBuffer, '\0', size);

    switch (t->quality()) {
    case RemoteView::High:
        cl->appData.encodingsString = "copyrect zlib hextile raw";
        cl->appData.compressLevel = 0;
        cl->appData.qualityLevel = 9;
        break;
    case RemoteView::Medium:
        cl->appData.encodingsString = "copyrect tight zrle ultra zlib hextile corre rre raw";
        cl->appData.compressLevel = 5;
        cl->appData.qualityLevel = 7;
        break;
    case RemoteView::Low:
    case RemoteView::Unknown:
    default:
        cl->appData.encodingsString = "copyrect tight zrle ultra zlib hextile corre rre raw";
        cl->appData.compressLevel = 9;
        cl->appData.qualityLevel = 1;
    }

    SetFormatAndEncodings(cl);
    kDebug(5011) << "Client created";
    return true;
}
Example #8
0
rfbBool vncResizeCallback(rfbClient* client)
{
    unsigned int* vncFrame = _qvrApp->vncResize(client->width, client->height);
    client->frameBuffer = reinterpret_cast<uint8_t*>(vncFrame);
    client->updateRect.x = 0;
    client->updateRect.y = 0;
    client->updateRect.w = client->width;
    client->updateRect.h = client->height;
    client->format.bitsPerPixel = 32;
    client->format.depth = 8;
    client->format.redMax = 255;
    client->format.greenMax = 255;
    client->format.blueMax = 255;
    client->format.redShift = 16;
    client->format.greenShift = 8;
    client->format.blueShift = 0;
    SetFormatAndEncodings(client);
    return TRUE;
}
Example #9
0
File: vnc.c Project: mstorsjo/vlc
static rfbBool mallocFrameBufferHandler( rfbClient* p_client )
{
    vlc_fourcc_t i_chroma;
    demux_t *p_demux = (demux_t *) rfbClientGetClientData( p_client, DemuxThread );
    demux_sys_t *p_sys = p_demux->p_sys;

    if ( p_sys->es ) /* Source has changed resolution */
    {
        es_out_Del( p_demux->out, p_sys->es );
        p_sys->es = NULL;
    }

    int i_width = p_client->width;
    int i_height = p_client->height;
    int i_depth = p_client->format.bitsPerPixel;

    switch( i_depth )
    {
        case 8:
            i_chroma = VLC_CODEC_RGB8;
            break;
        default:
        case 16:
            i_chroma = VLC_CODEC_RGB16;
            break;
        case 24:
            i_chroma = VLC_CODEC_RGB24;
            break;
        case 32:
            i_chroma = VLC_CODEC_RGB32;
            break;
    }

    switch( i_chroma )
    {
        case VLC_CODEC_RGB16:
            p_client->format.redShift   = 11;
            p_client->format.greenShift =  5;
            p_client->format.blueShift  =  0;
            p_client->format.redMax     = 0x1f;
            p_client->format.greenMax   = 0x3f;
            p_client->format.blueMax    = 0x1f;
            break;
        case VLC_CODEC_RGB24:
        case VLC_CODEC_RGB32:
            p_client->format.redShift   = 16;
            p_client->format.greenShift =  8;
            p_client->format.blueShift  =  0;
            p_client->format.redMax     = 0xff;
            p_client->format.greenMax   = 0xff;
            p_client->format.blueMax    = 0xff;
            break;
    }

    /* Set up framebuffer */
    p_sys->i_framebuffersize = i_width * i_height * i_depth / 8;

    /* Reuse unsent block */
    if ( p_sys->p_block )
        p_sys->p_block = block_Realloc( p_sys->p_block, 0, p_sys->i_framebuffersize );
    else
        p_sys->p_block = block_Alloc( p_sys->i_framebuffersize );

    if ( p_sys->p_block )
        p_sys->p_block->i_buffer = p_sys->i_framebuffersize;
    else
        return FALSE;

    /* Push our VNC config */
    SetFormatAndEncodings( p_client );

    /* Now init and fill es format */
    es_format_t fmt;
    es_format_Init( &fmt, VIDEO_ES, i_chroma );

    /* Fill input format */
    fmt.video.i_chroma = i_chroma;
    fmt.video.i_visible_width =
            fmt.video.i_width = i_width;

    fmt.video.i_visible_height =
            fmt.video.i_height = i_height;

    fmt.video.i_frame_rate_base = 1000;
    fmt.video.i_frame_rate = 1000 * p_sys->f_fps;

    fmt.video.i_bits_per_pixel = i_depth;
    fmt.video.i_rmask = p_client->format.redMax << p_client->format.redShift;
    fmt.video.i_gmask = p_client->format.greenMax << p_client->format.greenShift;
    fmt.video.i_bmask = p_client->format.blueMax << p_client->format.blueShift;

    fmt.video.i_sar_num = fmt.video.i_sar_den = 1;

    /* declare the new es */
    p_sys->es = es_out_Add( p_demux->out, &fmt );

    return TRUE;
}
Example #10
0
int
main(int argc, char **argv)
{
#ifndef NANOX
    fd_set fds;
    struct timeval tv, *tvp;
    int msWait;
#endif
    processArgs(argc, argv);

    if (listenSpecified) {

#ifndef NANOX
	listenForIncomingConnections();
	/* returns only with a succesful connection */
#endif

    } else {
	if (!ConnectToRFBServer(hostname, port)) exit(1);
    }

    if (!InitialiseRFBConnection(rfbsock)) exit(1);

    if (!CreateXWindow()) exit(1);

    if (!SetFormatAndEncodings()) {
	ShutdownX();
	exit(1);
    }

    if (!SendFramebufferUpdateRequest(updateRequestX, updateRequestY,
				      updateRequestW, updateRequestH, False)) {
	ShutdownX();
	exit(1);
    }

    printf("nanox fd = %d, rfbsock = %d\n", ConnectionNumber(dpy), rfbsock);
#ifdef NANOX
    /* register the RFB socket */
    GrRegisterInput(rfbsock);
    /* call the nanox main loop to wait for all events */
    while (True) {
	GrMainLoop(HandleEvents);
    }

#else
    while (True) {
	/*
	 * Always handle all X events before doing select.  This is the
	 * simplest way of ensuring that we don't block in select while
	 * Xlib has some events on its queue.
	 */

	if (!HandleXEvents()) {
	    ShutdownX();
	    exit(1);
	}

	tvp = NULL;

	if (sendUpdateRequest) {
	    gettimeofday(&tv, NULL);

	    msWait = (updateRequestPeriodms +
		      ((updateRequestTime.tv_sec - tv.tv_sec) * 1000) +
		      ((updateRequestTime.tv_usec - tv.tv_usec) / 1000));

	    if (msWait > 0) {
		tv.tv_sec = msWait / 1000;
		tv.tv_usec = (msWait % 1000) * 1000;

		tvp = &tv;
	    } else {
		if (!SendIncrementalFramebufferUpdateRequest()) {
		    ShutdownX();
		    exit(1);
		}
	    }
	}

	FD_ZERO(&fds);
	FD_SET(ConnectionNumber(dpy),&fds);
	FD_SET(rfbsock,&fds);

	if (select(FD_SETSIZE, &fds, NULL, NULL, tvp) < 0) {
	    perror("select");
	    ShutdownX();
	    exit(1);
	}

	if (FD_ISSET(rfbsock, &fds)) {
	    if (!HandleRFBServerMessage()) {
		ShutdownX();
		exit(1);
	    }
	}
    }
#endif	/* NANOX */

    return 0;
}
rfbBool ItalcVncConnection::hookNewClient( rfbClient *cl )
{
	ItalcVncConnection * t = (ItalcVncConnection *)
					rfbClientGetClientData( cl, 0) ;

	const int size = (int) cl->width * cl->height *
					( cl->format.bitsPerPixel / 8 );
	if( t->m_frameBuffer )
	{
		// do not leak if we get a new framebuffer size
		delete [] t->m_frameBuffer;
	}
	t->m_frameBuffer = new uint8_t[size];
	t->m_framebufferInitialized = false;
	cl->frameBuffer = t->m_frameBuffer;
	memset( cl->frameBuffer, '\0', size );
	cl->format.bitsPerPixel = 32;
	cl->format.redShift = 16;
	cl->format.greenShift = 8;
	cl->format.blueShift = 0;
	cl->format.redMax = 0xff;
	cl->format.greenMax = 0xff;
	cl->format.blueMax = 0xff;

	// only use remote cursor for remote control
	cl->appData.useRemoteCursor = false;
	cl->appData.compressLevel = 0;
	cl->appData.useBGR233 = 0;
	cl->appData.qualityLevel = 9;
	cl->appData.enableJPEG = false;

	switch( t->quality() )
	{
		case SnapshotQuality:
			cl->appData.encodingsString = "raw";
			break;
		case RemoteControlQuality:
			cl->appData.encodingsString = "copyrect hextile raw";
			cl->appData.useRemoteCursor = true;
			break;
		case ThumbnailQuality:
			cl->appData.useBGR233 = 1;
			cl->appData.encodingsString = "tight zrle ultra "
							"copyrect hextile zlib "
							"corre rre raw";
			cl->appData.compressLevel = 9;
			cl->appData.qualityLevel = 5;
			cl->appData.enableJPEG = true;
			break;
		case DemoServerQuality:
			cl->appData.encodingsString = "copyrect corre rre raw";
			//cl->appData.useRemoteCursor = true;
			break;
		case DemoClientQuality:
			//cl->appData.useRemoteCursor = true;
			cl->appData.encodingsString = "tight ultra copyrect "
									"hextile zlib corre rre raw";
			cl->appData.compressLevel = 9;
			cl->appData.qualityLevel = 9;
			cl->appData.enableJPEG = true;
			break;
		default:
			cl->appData.encodingsString = "zrle ultra copyrect "
							"hextile zlib corre rre raw";
			break;
	}

	SetFormatAndEncodings( cl );

	return true;
}
Example #12
0
int main(int argc, char **argv)
{
  fd_set fds;
  struct timeval tv, *tvp;
  int msWait;
  
  processArgs(argc, argv);
  
  if (listenSpecified) {
    
    listenForIncomingConnections();
    /* returns only with a succesful connection */
    
  }
  else
  {
    if(reconnect)
    {
      long last_fork=0;
      char *tmpdir="/tmp";
      char tmpfile[1024];
      if(getenv("TMPDIR") && strlen(tmpdir) < 900)
	tmpdir=getenv("TMPDIR");

      sprintf(tmpfile, "%s/x2vnc-%d-%d",
	      tmpdir,
	      getpid(),
	      time(0));

      temp_file_fd=open(tmpfile, O_RDWR | O_CREAT | O_EXCL, 0600);
      unlink(tmpfile);

      while(1)
      {
	int status, pid;

	/* limit how often we restart */
	if(time(0) - last_fork < 1) sleep(2);

	last_fork=time(0);
	switch (pid=fork())
	{
	  case -1: 
	    perror("fork"); 
	    exit(1);
	    
	  case 0:
	    break;
	    
	  default:
	    while(waitpid(pid, &status, 0) < 0 && errno==EINTR);
            if(debug)
              fprintf(stderr,"Child exited with status %d\n",status);
	    continue;
	}
	break;
      }
    }

    if (!ConnectToRFBServer(hostname, port)) exit(1);
  }
  
  if (!InitialiseRFBConnection(rfbsock)) exit(1);
  
  if (!CreateXWindow()) exit(1);
  
  if (!SetFormatAndEncodings()) {
    exit(1);
  }
  
  
  while (1)
  {
    /*
     * Always handle all X events before doing select.  This is the
     * simplest way of ensuring that we don't block in select while
     * Xlib has some events on its queue.
     */
    
    if (!HandleXEvents()) {
      exit(1);
    }
    
    tv.tv_sec = 5;
    tv.tv_usec = 0;
    
    FD_ZERO(&fds);
    FD_SET(ConnectionNumber(dpy),&fds);
    FD_SET(rfbsock,&fds);
    
    if (select(FD_SETSIZE, &fds, NULL, NULL, &tv) < 0) {
      perror("select");
      exit(1);
    }
    
    if (FD_ISSET(rfbsock, &fds)) {
      if (!HandleRFBServerMessage()) {
		exit(1);
	    }
	}
    }

    return 0;
}
Example #13
0
void ConnectionWindow::doConnect()
{
    if (connected())
        return;
    switch ( surfaceType() ) {
    case QVNCVIEWER_SURFACE_RASTER:
    default:
        surfaceWidget()->setDefaultMessage(tr("Connecting..."));
        surfaceWidget()->update();
        break;
    }
    qApp->processEvents(QEventLoop::AllEvents, 100);
    // prepare RFB client structure
    m_rfbClient = rfbGetClient(QVNCVIEWER_BITS_PER_SAMPLE, QVNCVIEWER_SAMPLES_PER_PIXEL, QVNCVIEWER_BYTES_PER_PIXEL);
    m_rfbClient->MallocFrameBuffer = rfbResize;
    m_rfbClient->GotFrameBufferUpdate = rfbUpdate;
    /* FIXME: we currently don't need these functions
       m_rfbClient->FinishedFrameBufferUpdate = rfbUpdateFinished;
       m_rfbClient->GotCopyRect = rfbUpdateCopyRect;
       m_rfbClient->HandleCursorPos = rfbHandleCursorPos;
    */
    m_rfbClient->programName = QVNCVIEWER_APP_TITLE_CSTR;
    m_rfbClient->frameBuffer = 0;
    m_rfbClient->canHandleNewFBSize = true;
    m_rfbClient->canUseCoRRE = true;
    m_rfbClient->canUseHextile = true;
    m_rfbClient->appData.forceTrueColour = true;
    m_rfbClient->appData.useRemoteCursor = true;
    m_rfbClient->appData.enableJPEG = true;
    m_clientToWindowHash[m_rfbClient] = this;
    PollServerThread::setConnecting(true);
    if ( ConnectToRFBServer(m_rfbClient, mHostName.toLocal8Bit().constData(), mDisplayNumber + QVNCVIEWER_VNC_BASE_PORT) ) {
        PollServerThread::setConnecting(false);
        if ( InitialiseRFBConnection(m_rfbClient) ) {
            QString rfbDesktopName(m_rfbClient->desktopName);
            if ( !rfbDesktopName.isEmpty() )
                setWindowTitle(rfbDesktopName);
            VncMainWindow::log(tr("Setting encoding to '%1'").arg(m_currentEncoding));
            m_rfbClient->appData.encodingsString = (const char*)m_currentEncoding.constData();
            m_rfbClient->appData.qualityLevel = 95;
            m_rfbClient->appData.compressLevel = 9;
            if ( !SetFormatAndEncodings(m_rfbClient) )
                VncMainWindow::log(tr("WARNING: Failed sending formats and encondings to %1:%2").arg(mHostName).arg(mDisplayNumber));
            m_rfbClient->width = m_rfbClient->si.framebufferWidth;
            m_rfbClient->height = m_rfbClient->si.framebufferHeight;
            m_rfbClient->frameBuffer = (uint8_t *)malloc(m_rfbClient->width * m_rfbClient->height * QVNCVIEWER_BYTES_PER_PIXEL);
            setConnected(true);
        } else {
            PollServerThread::setConnecting(false);
            setConnected(false);
            ::close(m_rfbClient->sock);
            free(m_rfbClient->frameBuffer);
            m_rfbClient->frameBuffer = 0;
            rfbClientCleanup(m_rfbClient);
            m_clientToWindowHash.remove(m_rfbClient);
            m_rfbClient = 0;
            setWindowTitle(m_defaultWindowTitle);
        }
    } else {
        PollServerThread::setConnecting(false);
        setConnected(false);
        rfbClientCleanup(m_rfbClient);
        m_clientToWindowHash.remove(m_rfbClient);
        m_rfbClient = 0;
        setWindowTitle(m_defaultWindowTitle);
        VncMainWindow::log(tr("WARNING: Failed connection to %1:%2").arg(mHostName).arg(mDisplayNumber));
    }
}
Example #14
0
int
main(int argc, char **argv)
{
  int i;
  programName = argv[0];

  /* The -listen option is used to make us a daemon process which listens for
     incoming connections from servers, rather than actively connecting to a
     given server. The -tunnel and -via options are useful to create
     connections tunneled via SSH port forwarding. We must test for the
     -listen option before invoking any Xt functions - this is because we use
     forking, and Xt doesn't seem to cope with forking very well. For -listen
     option, when a successful incoming connection has been accepted,
     listenForIncomingConnections() returns, setting the listenSpecified
     flag. */

  for (i = 1; i < argc; i++) {
    if (strcmp(argv[i], "-listen") == 0) {
      listenForIncomingConnections(&argc, argv, i);
      break;
    }
    if (strcmp(argv[i], "-tunnel") == 0 || strcmp(argv[i], "-via") == 0) {
      if (!createTunnel(&argc, argv, i))
	exit(1);
      break;
    }
  }

  /* Call the main Xt initialisation function.  It parses command-line options,
     generating appropriate resource specs, and makes a connection to the X
     display. */

  toplevel = XtVaAppInitialize(&appContext, "Vncviewer",
			       cmdLineOptions, numCmdLineOptions,
			       &argc, argv, fallback_resources,
			       XtNborderWidth, 0, NULL);

  dpy = XtDisplay(toplevel);

  /* Interpret resource specs and process any remaining command-line arguments
     (i.e. the VNC server name).  If the server name isn't specified on the
     command line, getArgsAndResources() will pop up a dialog box and wait
     for one to be entered. */

  GetArgsAndResources(argc, argv);

  /* Unless we accepted an incoming connection, make a TCP connection to the
     given VNC server */

  if (!listenSpecified) {
    if (!ConnectToRFBServer(vncServerHost, vncServerPort)) exit(1);
  }

  /* Initialise the VNC connection, including reading the password */

  if (!InitialiseRFBConnection()) exit(1);

  /* Create the "popup" widget - this won't actually appear on the screen until
     some user-defined event causes the "ShowPopup" action to be invoked */

  CreatePopup();

  /* Find the best pixel format and X visual/colormap to use */

  SetVisualAndCmap();

  /* Create the "desktop" widget, and perform initialisation which needs doing
     before the widgets are realized */

  ToplevelInitBeforeRealization();

  DesktopInitBeforeRealization();

  /* "Realize" all the widgets, i.e. actually create and map their X windows */

  XtRealizeWidget(toplevel);

  /* Perform initialisation that needs doing after realization, now that the X
     windows exist */

  InitialiseSelection();

  ToplevelInitAfterRealization();

  DesktopInitAfterRealization();

  /* Spawn daemon thread to listen to vmgl libs */
  if (appData.glStubPort == 7000)
    appData.glStubPort += (vncServerPort-5900);
  daemonStart(desktopWin, (unsigned short) appData.glStubPort, NULL);

  /* Tell the VNC server which pixel format and encodings we want to use */

  SetFormatAndEncodings();

  /* Now enter the main loop, processing VNC messages.  X events will
     automatically be processed whenever the VNC connection is idle. */

  while (1) {
    if (!HandleRFBServerMessage())
      break;
  }

  Cleanup();

  return 0;
}