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allowing multi receiver with just 2 arguments (without call back as default)

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This commit is contained in:
maliakal_d 2020-10-28 11:43:53 +01:00
parent 07cc28f91b
commit e57f49086d
1 changed files with 15 additions and 6 deletions
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19
slsReceiverSoftware/src/MultiReceiverApp.cpp
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@ -30,9 +30,12 @@ void sigInterruptHandler(int p) { sem_post(&semaphore); }
* prints usage of this example program
*/
void printHelp() {
cprintf(RESET, "Usage:\n"
cprintf(
RESET,
"Usage:\n"
"./slsMultiReceiver(detReceiver) [start_tcp_port] "
"[num_receivers] [1 for call back, 0 for none]\n\n");
"[num_receivers] [optional: 1 for call back (print frame header for "
"debugging), 0 for none (default)]\n\n");
exit(EXIT_FAILURE);
}
@ -157,10 +160,16 @@ int main(int argc, char *argv[]) {
/** - get number of receivers and start tcp port from command line
* arguments */
if ((argc != 4) || (!sscanf(argv[1], "%d", &startTCPPort)) ||
(!sscanf(argv[2], "%d", &numReceivers)) ||
(!sscanf(argv[3], "%d", &withCallback)))
if (argc != 3 && argc != 4)
printHelp();
if ((argc == 3) && ((!sscanf(argv[1], "%d", &startTCPPort)) ||
(!sscanf(argv[2], "%d", &numReceivers))))
printHelp();
if ((argc == 4) && ((!sscanf(argv[1], "%d", &startTCPPort)) ||
(!sscanf(argv[2], "%d", &numReceivers)) ||
(!sscanf(argv[3], "%d", &withCallback))))
printHelp();
cprintf(BLUE, "Parent Process Created [ Tid: %ld ]\n",
(long)syscall(SYS_gettid));
cprintf(RESET, "Number of Receivers: %d\n", numReceivers);