static void *receiverThread(void *arg) {
int listenfd=0, handle, status, nevents, nwords, *ip;
int i;
uint32_t dictLen, buffer[2048];
char *dict;
struct sockaddr_in cliaddr;
socklen_t len = sizeof(cliaddr);
printf("Receiver thread: listen on server socket\n");
/* open a listening socket */
listenfd = tcp_listen(serverPort, bufferSize);
if (listenfd < 0) {
printf("Error starting listening socket\n");
exit(1);
}
/* wait for connection to client */
printf("Receiver thread: accepting\n");
recvFd = Accept(listenfd, (SA *) &cliaddr, &len);
if (recvFd < 0) {
printf("Error receiving client TCP connection\n");
exit(1);
}
printf("Receiver thread: got client ... \n");
status = evOpenSocket(recvFd, "r", &handle);
printf ("Receiver thread: Opened socket, status = %#x\n", status);
status = evGetDictionary(handle, &dict, &dictLen);
printf ("Receiver thread: get dictionary, status = %#x\n\n", status);
if (dictionary != NULL) {
printf("DICTIONARY =\n%s\n", dict);
free(dict);
}
nevents = 0;
while (1) {
//printf("Receiver thread: Waiting on evRead\n");
if ((status = evRead(handle, buffer, 2048)) != S_SUCCESS) {
printf("Receiver thread: Done reading\n");
break;
}
nevents++;
printf("Receiver thread: Read event #%d, len = %d data words\n", nevents, buffer[0] - 1);
ip = buffer;
nwords = buffer[0] + 1;
printf(" Header words\n");
printf(" %#10.8x\n", *ip++);
printf(" %#10.8x\n\n", *ip++);
printf(" Data words\n");
nwords -= 2;
for (; nwords > 0; nwords-=4) {
for (i = MIN(nwords,4); i > 0; i--) {
printf(" %#10.8x", *ip++);
}
printf("\n");
}
printf("\n");
}
printf("\nReceiver thread: Last read, status = %x\n", status);
if (status == EOF) {
printf("Receiver thread: Last read, reached EOF!\n");
}
status = evClose(handle);
printf ("Receiver thread: Closed socket, status = %#x\n\n", status);
}
int main (int argc, char **argv)
{
int i, handle, nevents, status, bufLen, nWords, dLen, version;
uint32_t *buf, *ip;
char *dictionary = NULL;
if (argc != 2) {
printf("Incorrect number of arguments:\n");
printf(" usage: %s filename\n", argv[0]);
exit(-1);
}
if ( (status = evOpen(argv[1], "r", &handle)) < 0) {
printf("Unable to open file %s status = %d\n",argv[1],status);
exit(-1);
} else {
printf("Opened %s for reading, hit <enter> to see each individual event\n\n",argv[1]);
}
/* Get evio version # of file */
status = evIoctl(handle, "v", &version);
if (status == S_SUCCESS) {
printf("Evio file version = %d\n", version);
}
/* Get a dictionary if there is one */
status = evGetDictionary(handle, &dictionary, &dLen);
if (status == S_SUCCESS && dictionary != NULL) {
printf("Dictionary =\n%s\n\n", dictionary);
free(dictionary);
}
nevents=0;
while ((status = evReadAlloc(handle, &buf, &bufLen))==0) {
nevents++;
printf(" Event #%d, len = %d words\n", nevents, buf[0]);
nWords = buf[0] + 1;
for (ip=buf; nWords > 0; nWords-=4) {
for (i = MIN(nWords,4); i > 0; i--) {
printf(" %#10.8x", *ip++);
}
printf("\n");
}
printf("\n");
free(buf);
printf("Hit enter for next event\n");
getc(stdin);
}
if ( status == EOF ) {
printf("Hit end-of-file\n");
}
else {
printf("Error reading file, quit\n");
}
evClose(handle);
exit(0);
}
