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libtdevnc
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hooks inserted

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pull/1/head
dscho 24 years ago
parent 757fdc2454
commit af4e02678b
5 changed files with 70 additions and 42 deletions
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4
Makefile
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@ -8,10 +8,10 @@ VNCAUTHLIB=-Llibvncauth -lvncauth
VNCSERVERLIB=-L. -lvncserver -lz -ljpeg
# These two lines enable useage of PThreads
CFLAGS += -DHAVE_PTHREADS
#CFLAGS += -DHAVE_PTHREADS
VNCSERVERLIB += -lpthread
LIBS=$(VNCSERVERLIB) $(VNCAUTHLIB)
LIBS=$(LDFLAGS) $(VNCSERVERLIB) $(VNCAUTHLIB)
# for Mac OS X
OSX_LIBS = -framework ApplicationServices -framework Carbon

40
example.c
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@ -32,26 +32,49 @@
const int maxx=640, maxy=480, bpp=4;
void initBuffer(char* buffer)
{
int i,j;
for(i=0;i<maxx;++i)
for(j=0;j<maxy;++j) {
buffer[(j*maxx+i)*bpp]=i*256/maxx;
buffer[(j*maxx+i)*bpp+1]=j*256/maxy;
buffer[(j*maxx+i)*bpp+2]=(i+j)*256/(maxx*maxy);
buffer[(j*maxx+i)*bpp+3]=(i-j)*256/(maxx*maxy);
}
}
void doptr(int buttonMask,int x,int y,rfbClientPtr cl)
{
if(buttonMask && x>=0 && y>=0 && x<maxx && y<maxy) {
int i;
for(i=0;i<bpp;i++)
cl->screen->frameBuffer[y*cl->screen->paddedWidthInBytes+x*bpp+i]^=0xff;
rfbMarkRectAsModified(cl->screen,x,y,x+1,y+1);
int i,j,x1,x2,y1,y2;
x1=x-buttonMask; if(x1<0) x1=0;
x2=x+buttonMask; if(x2>maxx) x2=maxx;
y1=y-buttonMask; if(y1<0) y1=0;
y2=y+buttonMask; if(y2>maxy) y2=maxy;
for(i=x1*bpp;i<x2*bpp;i++)
for(j=y1;j<y2;j++)
cl->screen->frameBuffer[j*cl->screen->paddedWidthInBytes+i]=0xff;
rfbMarkRectAsModified(cl->screen,x1,y1,x2,y2);
rfbGotXCutText(cl->screen,"Hallo",5);
}
}
void dokey(Bool down,KeySym key,rfbClientPtr cl)
{
if(down && key==XK_Escape)
rfbCloseClient(cl);
else if(down && key=='c') {
initBuffer(cl->screen->frameBuffer);
rfbMarkRectAsModified(cl->screen,0,0,maxx,maxy);
}
}
int main(int argc,char** argv)
{
int i,j;
rfbScreenInfoPtr rfbScreen = rfbDefaultScreenInit(argc,argv);
rfbScreen->desktopName="LibVNCServer Example";
rfbScreen->frameBuffer = (char*)malloc(maxx*maxy*bpp);
@ -61,12 +84,7 @@ int main(int argc,char** argv)
rfbScreen->ptrAddEvent=doptr;
rfbScreen->kbdAddEvent=dokey;
for(i=0;i<maxx;++i)
for(j=0;j<maxy;++j) {
rfbScreen->frameBuffer[(j*maxx+i)*bpp]=i*256/maxx;
rfbScreen->frameBuffer[(j*maxx+i)*bpp+1]=j*256/maxy;
rfbScreen->frameBuffer[(j*maxx+i)*bpp+2]=(i+j)*256/(maxx*maxy);
}
initBuffer(rfbScreen->frameBuffer);
runEventLoop(rfbScreen,40000,FALSE);
runEventLoop(rfbScreen,40000,TRUE);

41
main.c
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@ -279,32 +279,20 @@ processArguments(rfbScreenInfoPtr rfbScreen,int argc, char *argv[])
}
void
DefaultKbdAddEvent(down, keySym, cl)
Bool down;
KeySym keySym;
rfbClientPtr cl;
defaultKbdAddEvent(Bool down, KeySym keySym, rfbClientPtr cl)
{
}
void
DefaultPtrAddEvent(buttonMask, x, y, cl)
int buttonMask;
int x;
int y;
rfbClientPtr cl;
defaultPtrAddEvent(int buttonMask, int x, int y, rfbClientPtr cl)
{
}
void
DefaultKbdReleaseAllKeys(cl)
rfbClientPtr cl;
void defaultSetXCutText(char* text, int len, rfbClientPtr cl)
{
}
void DefaultSetXCutText(text,len,cl)
char* text;
int len;
rfbClientPtr cl;
void doNothingWithClient(rfbClientPtr cl)
{
}
@ -378,10 +366,12 @@ rfbScreenInfoPtr rfbDefaultScreenInit(int argc,char** argv)
rfbScreen->screen.RegionAppend = miRegionAppend;
rfbScreen->screen.RegionValidate = miRegionValidate;
rfbScreen->kbdAddEvent = DefaultKbdAddEvent;
rfbScreen->kbdReleaseAllKeys = DefaultKbdReleaseAllKeys;
rfbScreen->ptrAddEvent = DefaultPtrAddEvent;
rfbScreen->setXCutText = DefaultSetXCutText;
rfbScreen->kbdAddEvent = defaultKbdAddEvent;
rfbScreen->kbdReleaseAllKeys = doNothingWithClient;
rfbScreen->ptrAddEvent = defaultPtrAddEvent;
rfbScreen->setXCutText = defaultSetXCutText;
rfbScreen->newClientHook = doNothingWithClient;
return(rfbScreen);
}
@ -394,14 +384,15 @@ processEvents(rfbScreenInfoPtr rfbScreen,long usec)
corbaCheckFds(rfbScreen);
#endif
{
rfbClientIteratorPtr iterator;
rfbClientPtr cl;
iterator=rfbGetClientIterator(rfbScreen);
while((cl=rfbClientIteratorNext(iterator)))
rfbClientPtr cl,cl_next;
cl=rfbScreen->rfbClientHead;
while(cl) {
cl_next=cl->next;
if(cl->sock>=0 && FB_UPDATE_PENDING(cl)) {
rfbSendFramebufferUpdate(cl,cl->modifiedRegion);
}
rfbReleaseClientIterator(iterator);
cl=cl_next;
}
}
}

17
rfb.h
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@ -66,6 +66,8 @@ typedef void (*KbdReleaseAllKeysProcPtr) (struct rfbClientRec* cl);
typedef void (*PtrAddEventProcPtr) (int buttonMask, int x, int y, struct rfbClientRec* cl);
typedef void (*SetXCutTextProcPtr) (char* str,int len, struct rfbClientRec* cl);
typedef void (*NewClientHookPtr)(struct rfbClientRec* cl);
/*
* Per-screen (framebuffer) structure. There is only one of these, since we
* don't allow the X server to have multiple screens.
@ -167,6 +169,12 @@ typedef struct
KbdReleaseAllKeysProcPtr kbdReleaseAllKeys;
PtrAddEventProcPtr ptrAddEvent;
SetXCutTextProcPtr setXCutText;
/* the following members are hooks, i.e. they are called if set,
but not overriding original functionality */
/* newClientHook is called just after a new client is created */
NewClientHookPtr newClientHook;
} rfbScreenInfo, *rfbScreenInfoPtr;
@ -174,7 +182,6 @@ typedef struct
* rfbTranslateFnType is the type of translation functions.
*/
struct rfbClientRec;
typedef void (*rfbTranslateFnType)(char *table, rfbPixelFormat *in,
rfbPixelFormat *out,
char *iptr, char *optr,
@ -186,8 +193,12 @@ typedef void (*rfbTranslateFnType)(char *table, rfbPixelFormat *in,
* Per-client structure.
*/
typedef void (*ClientGoneHookPtr)(struct rfbClientRec* cl);
typedef struct rfbClientRec {
rfbScreenInfoPtr screen;
void* clientData;
ClientGoneHookPtr clientGoneHook;
int sock;
char *host;
@ -415,6 +426,8 @@ extern Bool rfbSendFramebufferUpdate(rfbClientPtr cl, RegionRec updateRegion);
extern Bool rfbSendRectEncodingRaw(rfbClientPtr cl, int x,int y,int w,int h);
extern Bool rfbSendUpdateBuf(rfbClientPtr cl);
extern void rfbSendServerCutText(rfbScreenInfoPtr rfbScreen,char *str, int len);
extern Bool rfbSendCopyRegion(rfbClientPtr cl,RegionPtr reg,int dx,int dy);
extern Bool rfbSendLastRectMarker(rfbClientPtr cl);
void rfbGotXCutText(rfbScreenInfoPtr rfbScreen, char *str, int len);
@ -508,7 +521,7 @@ extern void rfbDisconnectUDPSock(rfbScreenInfoPtr cl);
void rfbMarkRectAsModified(rfbScreenInfoPtr rfbScreen,int x1,int y1,int x2,int y2);
void rfbMarkRegionAsModified(rfbScreenInfoPtr rfbScreen,RegionPtr modRegion);
void doNothingWithClient(rfbClientPtr cl);
/* functions to make a vnc server */
extern rfbScreenInfoPtr rfbDefaultScreenInit(int argc,char** argv);

10
rfbserver.c
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@ -237,6 +237,10 @@ rfbNewClient(rfbScreen,sock)
sprintf(pv,rfbProtocolVersionFormat,rfbProtocolMajorVersion,
rfbProtocolMinorVersion);
cl->clientData = NULL;
cl->clientGoneHook = doNothingWithClient;
cl->screen->newClientHook(cl);
if (WriteExact(cl, pv, sz_rfbProtocolVersionMsg) < 0) {
rfbLogPerror("rfbNewClient: write");
rfbCloseClient(cl);
@ -261,6 +265,8 @@ rfbClientConnectionGone(cl)
pthread_mutex_lock(&rfbClientListMutex);
#endif
cl->clientGoneHook(cl);
rfbLog("Client %s gone\n",cl->host);
free(cl->host);
@ -1052,7 +1058,7 @@ rfbSendFramebufferUpdate(cl, updateRegion)
* of a later one.
*/
static Bool
Bool
rfbSendCopyRegion(cl, reg, dx, dy)
rfbClientPtr cl;
RegionPtr reg;
@ -1216,7 +1222,7 @@ rfbSendRectEncodingRaw(cl, x, y, w, h)
* protocol).
*/
static Bool
Bool
rfbSendLastRectMarker(cl)
rfbClientPtr cl;
{

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