Shared TDE VNC library sources
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libtdevnc/test/encodingstest.c

339 lines
8.2 KiB

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