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337 lines
8.1 KiB
337 lines
8.1 KiB
#include <time.h>
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#include <stdarg.h>
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#include <rfb/rfb.h>
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#include <rfb/rfbclient.h>
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#ifndef LIBVNCSERVER_HAVE_LIBPTHREAD
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#error This test need pthread support (otherwise the client blocks the client)
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#endif
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#define ALL_AT_ONCE
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/*#define VERY_VERBOSE*/
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static MUTEX(frameBufferMutex);
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typedef struct { int id; char* str; } encoding_t;
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static encoding_t testEncodings[]={
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{ rfbEncodingRaw, "raw" },
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{ rfbEncodingRRE, "rre" },
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{ rfbEncodingCoRRE, "corre" },
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{ rfbEncodingHextile, "hextile" },
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{ rfbEncodingUltra, "ultra" },
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#ifdef LIBVNCSERVER_HAVE_LIBZ
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{ rfbEncodingZlib, "zlib" },
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{ rfbEncodingZlibHex, "zlibhex" },
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{ rfbEncodingZRLE, "zrle" },
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{ rfbEncodingZYWRLE, "zywrle" },
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#ifdef LIBVNCSERVER_HAVE_LIBJPEG
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{ rfbEncodingTight, "tight" },
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#endif
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#endif
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{ 0, NULL }
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};
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#define NUMBER_OF_ENCODINGS_TO_TEST (sizeof(testEncodings)/sizeof(encoding_t)-1)
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/*#define NUMBER_OF_ENCODINGS_TO_TEST 1*/
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/* Here come the variables/functions to handle the test output */
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static const int width=400,height=300;
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static unsigned int statistics[2][NUMBER_OF_ENCODINGS_TO_TEST];
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static unsigned int totalFailed,totalCount;
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static unsigned int countGotUpdate;
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static MUTEX(statisticsMutex);
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static void initStatistics(void) {
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memset(statistics[0],0,sizeof(int)*NUMBER_OF_ENCODINGS_TO_TEST);
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memset(statistics[1],0,sizeof(int)*NUMBER_OF_ENCODINGS_TO_TEST);
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totalFailed=totalCount=0;
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INIT_MUTEX(statisticsMutex);
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}
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static void updateStatistics(int encodingIndex,rfbBool failed) {
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LOCK(statisticsMutex);
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if(failed) {
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statistics[1][encodingIndex]++;
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totalFailed++;
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}
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statistics[0][encodingIndex]++;
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totalCount++;
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countGotUpdate++;
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UNLOCK(statisticsMutex);
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}
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/* Here begin the functions for the client. They will be called in a
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* pthread. */
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/* maxDelta=0 means they are expected to match exactly;
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* maxDelta>0 means that the average difference must be lower than maxDelta */
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static rfbBool doFramebuffersMatch(rfbScreenInfo* server,rfbClient* client,
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int maxDelta)
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{
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int i,j,k;
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unsigned int total=0,diff=0;
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if(server->width!=client->width || server->height!=client->height)
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return FALSE;
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LOCK(frameBufferMutex);
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/* TODO: write unit test for colour transformation, use here, too */
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for(i=0;i<server->width;i++)
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for(j=0;j<server->height;j++)
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for(k=0;k<3/*server->serverFormat.bitsPerPixel/8*/;k++) {
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unsigned char s=server->frameBuffer[k+i*4+j*server->paddedWidthInBytes];
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unsigned char cl=client->frameBuffer[k+i*4+j*client->width*4];
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if(maxDelta==0 && s!=cl) {
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UNLOCK(frameBufferMutex);
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return FALSE;
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} else {
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total++;
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diff+=(s>cl?s-cl:cl-s);
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}
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}
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UNLOCK(frameBufferMutex);
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if(maxDelta>0 && diff/total>=maxDelta)
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return FALSE;
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return TRUE;
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}
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static rfbBool resize(rfbClient* cl) {
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if(cl->frameBuffer)
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free(cl->frameBuffer);
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cl->frameBuffer=malloc(cl->width*cl->height*cl->format.bitsPerPixel/8);
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if(!cl->frameBuffer)
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return FALSE;
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SendFramebufferUpdateRequest(cl,0,0,cl->width,cl->height,FALSE);
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return TRUE;
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}
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typedef struct clientData {
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int encodingIndex;
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rfbScreenInfo* server;
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char* display;
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} clientData;
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static void update(rfbClient* client,int x,int y,int w,int h) {
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#ifndef VERY_VERBOSE
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static const char* progress="|/-\\";
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static int counter=0;
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if(++counter>sizeof(progress)) counter=0;
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fprintf(stderr,"%c\r",progress[counter]);
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#else
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clientData* cd=(clientData*)client->clientData;
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rfbClientLog("Got update (encoding=%s): (%d,%d)-(%d,%d)\n",
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testEncodings[cd->encodingIndex].str,
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x,y,x+w,y+h);
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#endif
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}
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static void update_finished(rfbClient* client) {
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clientData* cd=(clientData*)client->clientData;
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int maxDelta=0;
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#ifdef LIBVNCSERVER_HAVE_LIBZ
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if(testEncodings[cd->encodingIndex].id==rfbEncodingZYWRLE)
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maxDelta=5;
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#ifdef LIBVNCSERVER_HAVE_LIBJPEG
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if(testEncodings[cd->encodingIndex].id==rfbEncodingTight)
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maxDelta=5;
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#endif
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#endif
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updateStatistics(cd->encodingIndex,
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!doFramebuffersMatch(cd->server,client,maxDelta));
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}
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static void* clientLoop(void* data) {
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rfbClient* client=(rfbClient*)data;
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clientData* cd=(clientData*)client->clientData;
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client->appData.encodingsString=strdup(testEncodings[cd->encodingIndex].str);
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client->appData.qualityLevel = 7; /* ZYWRLE fails the test with standard settings */
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sleep(1);
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rfbClientLog("Starting client (encoding %s, display %s)\n",
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testEncodings[cd->encodingIndex].str,
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cd->display);
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if(!rfbInitClient(client,NULL,NULL)) {
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rfbClientErr("Had problems starting client (encoding %s)\n",
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testEncodings[cd->encodingIndex].str);
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updateStatistics(cd->encodingIndex,TRUE);
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return NULL;
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}
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while(1) {
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if(WaitForMessage(client,50)>=0)
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if(!HandleRFBServerMessage(client))
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break;
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}
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free(((clientData*)client->clientData)->display);
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free(client->clientData);
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client->clientData = NULL;
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if(client->frameBuffer)
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free(client->frameBuffer);
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rfbClientCleanup(client);
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return NULL;
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}
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static pthread_t all_threads[NUMBER_OF_ENCODINGS_TO_TEST];
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static int thread_counter;
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static void startClient(int encodingIndex,rfbScreenInfo* server) {
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rfbClient* client=rfbGetClient(8,3,4);
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clientData* cd;
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client->clientData=malloc(sizeof(clientData));
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client->MallocFrameBuffer=resize;
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client->GotFrameBufferUpdate=update;
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client->FinishedFrameBufferUpdate=update_finished;
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cd=(clientData*)client->clientData;
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cd->encodingIndex=encodingIndex;
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cd->server=server;
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cd->display=(char*)malloc(6);
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sprintf(cd->display,":%d",server->port-5900);
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pthread_create(&all_threads[thread_counter++],NULL,clientLoop,(void*)client);
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}
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/* Here begin the server functions */
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static void idle(rfbScreenInfo* server)
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{
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int c;
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rfbBool goForward;
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LOCK(statisticsMutex);
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#ifdef ALL_AT_ONCE
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goForward=(countGotUpdate==NUMBER_OF_ENCODINGS_TO_TEST);
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#else
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goForward=(countGotUpdate==1);
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#endif
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UNLOCK(statisticsMutex);
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if(!goForward)
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return;
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countGotUpdate=0;
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LOCK(frameBufferMutex);
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{
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int i,j;
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int x1=(rand()%(server->width-1)),x2=(rand()%(server->width-1)),
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y1=(rand()%(server->height-1)),y2=(rand()%(server->height-1));
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if(x1>x2) { i=x1; x1=x2; x2=i; }
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if(y1>y2) { i=y1; y1=y2; y2=i; }
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x2++; y2++;
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for(c=0;c<3;c++) {
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for(i=x1;i<x2;i++)
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for(j=y1;j<y2;j++)
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server->frameBuffer[i*4+c+j*server->paddedWidthInBytes]=255*(i-x1+j-y1)/(x2-x1+y2-y1);
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}
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rfbMarkRectAsModified(server,x1,y1,x2,y2);
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#ifdef VERY_VERBOSE
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rfbLog("Sent update (%d,%d)-(%d,%d)\n",x1,y1,x2,y2);
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#endif
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}
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UNLOCK(frameBufferMutex);
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}
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/* log function (to show what messages are from the client) */
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static void
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rfbTestLog(const char *format, ...)
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{
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va_list args;
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char buf[256];
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time_t log_clock;
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if(!rfbEnableClientLogging)
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return;
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va_start(args, format);
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time(&log_clock);
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strftime(buf, 255, "%d/%m/%Y %X (client) ", localtime(&log_clock));
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fprintf(stderr,"%s",buf);
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vfprintf(stderr, format, args);
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fflush(stderr);
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va_end(args);
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}
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/* the main function */
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int main(int argc,char** argv)
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{
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int i,j;
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time_t t;
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rfbScreenInfoPtr server;
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rfbClientLog=rfbTestLog;
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rfbClientErr=rfbTestLog;
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/* Initialize server */
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server=rfbGetScreen(&argc,argv,width,height,8,3,4);
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if(!server)
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return 0;
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server->frameBuffer=malloc(400*300*4);
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server->cursor=NULL;
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for(j=0;j<400*300*4;j++)
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server->frameBuffer[j]=j;
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rfbInitServer(server);
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rfbProcessEvents(server,0);
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initStatistics();
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#ifndef ALL_AT_ONCE
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for(i=0;i<NUMBER_OF_ENCODINGS_TO_TEST;i++) {
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#else
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/* Initialize clients */
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for(i=0;i<NUMBER_OF_ENCODINGS_TO_TEST;i++)
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#endif
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startClient(i,server);
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t=time(NULL);
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/* test 20 seconds */
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while(time(NULL)-t<20) {
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idle(server);
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rfbProcessEvents(server,1);
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}
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rfbLog("%d failed, %d received\n",totalFailed,totalCount);
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#ifndef ALL_AT_ONCE
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{
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rfbClientPtr cl;
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rfbClientIteratorPtr iter=rfbGetClientIterator(server);
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while((cl=rfbClientIteratorNext(iter)))
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rfbCloseClient(cl);
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rfbReleaseClientIterator(iter);
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}
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}
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#endif
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/* shut down server, disconnecting all clients */
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rfbShutdownServer(server, TRUE);
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for(i=0;i<thread_counter;i++)
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pthread_join(all_threads[i], NULL);
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free(server->frameBuffer);
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rfbScreenCleanup(server);
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rfbLog("Statistics:\n");
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for(i=0;i<NUMBER_OF_ENCODINGS_TO_TEST;i++)
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rfbLog("%s encoding: %d failed, %d received\n",
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testEncodings[i].str,statistics[1][i],statistics[0][i]);
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if(totalFailed)
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return 1;
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return(0);
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}
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