rfbBool
rfbSetClientColourMap(rfbClientPtr cl, int firstColour, int nColours)
{
if (cl->screen->serverFormat.trueColour || !cl->readyForSetColourMapEntries)
{
return TRUE;
}
if (nColours == 0)
{
nColours = cl->screen->colourMap.count;
}
if (cl->format.trueColour)
{
LOCK(cl->updateMutex);
(*rfbInitColourMapSingleTableFns
[BPP2OFFSET(cl->format.bitsPerPixel)]) (&cl->translateLookupTable,
&cl->screen->serverFormat, &cl->format,&cl->screen->colourMap);
sraRgnDestroy(cl->modifiedRegion);
cl->modifiedRegion =
sraRgnCreateRect(0,0,cl->screen->width,cl->screen->height);
UNLOCK(cl->updateMutex);
return TRUE;
}
return rfbSendSetColourMapEntries(cl, firstColour, nColours);
}
static void rfbProcessClientNormalMessage(rfbClientPtr cl)
{
int n=0;
rfbClientToServerMsg msg;
char *str;
int i;
// unsigned char keyvalue;
u32 enc;
// debug_printf("--In the NormalMessadge process!\n");
if ((n = ReadExact(cl, (char *)&msg, 1)) <= 0)
{
debug_printf("rfbProcessClientNormalMessage: read--type-error,shutdown clien!\n");
// delay(10);
rfbCloseClient(cl);
return;
}
// debug_printf("--In the NormalMessadge process!--has read msg type=%d \n",msg.type);
switch (msg.type) //根据收到的消息来对应的处理各种情况
{
case rfbSetPixelFormat://目前已经处理完备
debug_printf("SetPixelFormat!\n");
if ((n = ReadExact(cl, ((char *)&msg) + 1,
sz_rfbSetPixelFormatMsg - 1)) <= 0)
{
debug_printf("rfbProcessClientNormalMessage: read--setpixelmessage-error,shutdown client!\n");
// delay(10000);
rfbCloseClient(cl);
return;
}
cl->format.bitsPerPixel = msg.spf.format.bitsPerPixel;
cl->format.depth = msg.spf.format.depth;
cl->format.bigEndian = (msg.spf.format.bigEndian ? 1 : 0);
cl->format.trueColour = (msg.spf.format.trueColour ? 1 : 0);
cl->format.redMax = Swap16IfLE(msg.spf.format.redMax);
cl->format.greenMax = Swap16IfLE(msg.spf.format.greenMax);
cl->format.blueMax = Swap16IfLE(msg.spf.format.blueMax);
cl->format.redShift = msg.spf.format.redShift;
cl->format.greenShift = msg.spf.format.greenShift;
cl->format.blueShift = msg.spf.format.blueShift;
cl->readyForSetColourMapEntries = TRUE;
//这个是必须要处理的，因为当客户端发送的信息是颜色不是真彩色的话，必须要发送服务器的映射方法。
debug_printf("got the client set pixformat=%s\n",cl->host);
showPixelFormat(&(cl->format));
// deug_printf("--set the client color translate begin!\n");
rfbSetTranslateFunction(cl);
// debug_printf("--set the client color end!\n");
return;
case rfbFixColourMapEntries:
debug_printf("rfbFixColourMapEntries!\n");
if ((n = ReadExact(cl, ((char *)&msg) + 1,
sz_rfbFixColourMapEntriesMsg - 1)) <= 0) {
debug_printf("rfbProcessClientNormalMessage: read--fixpixelmessage-error,shutdown client!\n");
delay(10000);
rfbCloseClient(cl);
return;
}
debug_printf("FixColourMapEntries unsupported\n");
rfbCloseClient(cl);
return;
case rfbSetEncodings://目前已经处理完备
{
//debug_printf("rfbSetEncodings!\n");
if ((n = ReadExact(cl, ((char *)&msg) + 1,
sz_rfbSetEncodingsMsg - 1)) <= 0) {
debug_printf("rfbProcessClientNormalMessage: read--rfbSetEncodings-error,shutdown client!\n");
delay(10000);
rfbCloseClient(cl);
return;
}
msg.se.nEncodings = Swap16IfLE(msg.se.nEncodings);
cl->preferredEncoding = -1;
cl->useCopyRect = FALSE;
cl->enableCursorShapeUpdates = FALSE;
cl->enableLastRectEncoding = FALSE;
for (i = 0; i < msg.se.nEncodings; i++) {
if ((n = ReadExact(cl, (char *)&enc, 4)) <= 0) {
debug_printf("rfbProcessClientNormalMessage: read--rfbSetEncodings-error,shutdown client!\n");
delay(10000);
rfbCloseClient(cl);
return;
}
enc = Swap32IfLE(enc);
switch (enc) {
case rfbEncodingCopyRect:
debug_printf("client %s supported rfbEncodingCopyRect\n",cl->host);
cl->useCopyRect = TRUE;
break;
case rfbEncodingRaw:
debug_printf("client %s supported rfbEncodingRaw\n",cl->host);
if (cl->preferredEncoding == -1) {
cl->preferredEncoding = enc;
debug_printf("Using raw encoding for client %s\n",
cl->host);
}
break;
case rfbEncodingRRE:
debug_printf("client %s supported rfbEncodingRRE\n",cl->host);
if (cl->preferredEncoding == -1) {
cl->preferredEncoding = enc;
debug_printf("Using rre encoding for client %s\n",
cl->host);
}
break;
case rfbEncodingCoRRE:
debug_printf("client %s supported rfbEncodingCoRRE\n",cl->host);
if (cl->preferredEncoding == -1) {
cl->preferredEncoding = enc;
debug_printf("Using CoRRE encoding for client %s\n",
cl->host);
}
break;
case rfbEncodingHextile:
debug_printf("client %s supported rfbEncodingHextile\n",cl->host);
if (cl->preferredEncoding == -1) {
cl->preferredEncoding = enc;
debug_printf("Using hextile encoding for client %s\n",
cl->host);
}
break;
case rfbEncodingZlib:
debug_printf("client %s supported rfbEncodingZlib\n",cl->host);
if (cl->preferredEncoding == -1) {
cl->preferredEncoding = enc;
debug_printf("Using zlib encoding for client %s\n",
cl->host);
}
break;
case rfbEncodingTight:
debug_printf("client %s supported rfbEncodingHextile\n",cl->host);
if (cl->preferredEncoding == -1) {
cl->preferredEncoding = enc;
debug_printf("Using tight encoding for client %s\n",
cl->host);
}
break;
case rfbEncodingXCursor:
debug_printf("Enabling X-style cursor updates for client %s\n",
cl->host);
cl->enableCursorShapeUpdates = TRUE;
cl->useRichCursorEncoding = FALSE;
cl->cursorWasChanged = TRUE;
break;
case rfbEncodingRichCursor:
if (!cl->enableCursorShapeUpdates) {
debug_printf("Enabling full-color cursor updates for client "
"%s\n", cl->host);
cl->enableCursorShapeUpdates = TRUE;
cl->useRichCursorEncoding = TRUE;
cl->cursorWasChanged = TRUE;
}
break;
case rfbEncodingLastRect:
debug_printf("client %s supported rfbEncodingLastRect\n",cl->host);
if (!cl->enableLastRectEncoding) {
debug_printf("Enabling LastRect protocol extension for client "
"%s\n", cl->host);
cl->enableLastRectEncoding = TRUE;
}
break;
default:
if ( enc >= (u32)rfbEncodingCompressLevel0 &&
enc <= (u32)rfbEncodingCompressLevel9 ) {
cl->zlibCompressLevel = enc & 0x0F;
cl->tightCompressLevel = enc & 0x0F;
debug_printf("Using compression level %d for client %s\n",
cl->tightCompressLevel, cl->host);
} else if ( enc >= (u32)rfbEncodingQualityLevel0 &&
enc <= (u32)rfbEncodingQualityLevel9 ) {
cl->tightQualityLevel = enc & 0x0F;
debug_printf("Using image quality level %d for client %s\n",
cl->tightQualityLevel, cl->host);
} else
debug_printf("rfbProcessClientNormalMessage: ignoring unknown "
"encoding type %d\n", (int)enc);
}
}
if (cl->preferredEncoding == -1) {
cl->preferredEncoding = rfbEncodingRaw;
}
return;
}
case rfbFramebufferUpdateRequest:
{
//debug_printf("rfbSetEncodings!\n");
if ((n = ReadExact(cl, ((char *)&msg) + 1,
sz_rfbFramebufferUpdateRequestMsg-1)) <= 0) {
if (n != 0)
debug_printf("rfbProcessClientNormalMessage: read");
rfbCloseClient(cl);
return;
}
if(msg.fur.incremental==FALSE)//客户端请求整幅数据，出现了某些数据的丢失
{
cl->InitDone=FALSE;
cl->modifiedregion.x=Swap16IfLE(msg.fur.x);
cl->modifiedregion.y=Swap16IfLE(msg.fur.y);
cl->modifiedregion.w=Swap16IfLE(msg.fur.w);
cl->modifiedregion.h=Swap16IfLE(msg.fur.h);
}
else
{
cl->InitDone=TRUE;
}
if (!cl->readyForSetColourMapEntries) {
/* client hasn't sent a SetPixelFormat so is using server's */
cl->readyForSetColourMapEntries = TRUE;
if (!cl->format.trueColour) {
if (!rfbSendSetColourMapEntries(cl, 0, 256)) {
// sraRgnDestroy(tmpRegion);
// TSIGNAL(cl->updateCond);
// UNLOCK(cl->updateMutex);
debug_printf("failed to send the color map!");
return;
}
}
}
cl->HasRequest = 1;
return;
}
case rfbKeyEvent:
debug_printf("rfbKeyEvent!\n");
cl->rfbKeyEventsRcvd++;
if ((n = ReadExact(cl, ((char *)&msg) + 1,
sz_rfbKeyEventMsg - 1)) <= 0) {
if (n != 0)
debug_printf("rfbProcessClientNormalMessage: read");
rfbCloseClient(cl);
return;
}
//打印接受到的键盘值
msg.ke.key=Swap32IfLE(msg.ke.key);
#if CN_CFG_KEYBOARD == 1
vncclient_keyevent(cl->screen, msg);
#endif
return;
case rfbPointerEvent:
cl->rfbPointerEventsRcvd++;
if ((n = ReadExact(cl, ((char *)&msg) + 1,
sz_rfbPointerEventMsg - 1)) <= 0)
{
if (n != 0)//等于0应该是客户端主动关闭了
debug_printf("rfbProcessClientNormalMessage: read");
rfbCloseClient(cl);
return;
}
//输入touch message
msg.pe.x = Swap16IfLE(msg.pe.x);
msg.pe.y = Swap16IfLE(msg.pe.y);
// debug_printf("rfbPointerEvent!----x=%d y=%d\n", msg.pe.x,msg.pe.y);
#if CN_CFG_KEYBOARD == 1
vncclient_pointevent(cl->screen, msg);
#endif
return;
case rfbClientCutText:
debug_printf("rfbClientCutText!\n");
if ((n = ReadExact(cl, ((char *)&msg) + 1,
sz_rfbClientCutTextMsg - 1)) <= 0) {
if (n != 0)
debug_printf("rfbProcessClientNormalMessage: read");
rfbCloseClient(cl);
return;
}
msg.cct.length = Swap32IfLE(msg.cct.length);
str = (char *)M_MallocLc(msg.cct.length+1, 0);
if ((n = ReadExact(cl, str, msg.cct.length)) <= 0) {
if (n != 0)
debug_printf("rfbProcessClientNormalMessage: read");
free(str);
rfbCloseClient(cl);
return;
}
// cl->screen->setXCutText(str, msg.cct.length, cl);
str[msg.cct.length]= 0;
debug_printf(" the cut messaged=%s\n",str);
free(str);
return;
default:
debug_printf("rfbProcessClientNormalMessage: unknown message type %d\n",
msg.type);
debug_printf(" ... closing connection\n");
rfbCloseClient(cl);
return;
}
}
