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Midstat: Allow quiet mode #29

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Midstat: Allow quiet mode #29

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10 changes: 7 additions & 3 deletions samples/midstat/midstat.c
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Original file line number Diff line number Diff line change
Expand Up @@ -41,6 +41,7 @@ struct connection {
int g_max_cores; /* Number of CPU cores to be used */
mctx_t g_mctx[MAX_CORES]; /* mOS context */
TAILQ_HEAD(, connection) g_sockq[MAX_CORES]; /* connection queue */
bool quiet = true; /* do not print stats */
/*----------------------------------------------------------------------------*/
/* Signal handler */
static void
Expand Down Expand Up @@ -223,7 +224,7 @@ RegisterCallbacks(mctx_t mctx, int sock, event_t ev_new_syn)
}

/* CPU 0 is in charge of printing stats */
if (mctx->cpu == 0 &&
if (!quiet && mctx->cpu == 0 &&
mtcp_settimer(mctx, sock, &tv_1sec, cb_printstat)) {
fprintf(stderr, "Failed to register print timer\n");
exit(-1); /* no point in proceeding if the titmer is broken*/
Expand Down Expand Up @@ -272,11 +273,14 @@ main(int argc, char **argv)
g_max_cores = GetNumCPUs();

/* Parse command line arguments */
while ((opt = getopt(argc, argv, "c:f:")) != -1) {
while ((opt = getopt(argc, argv, "c:f:q")) != -1) {
switch (opt) {
case 'f':
fname = optarg;
break;
case 'q':
quiet = true;
break;
case 'c':
if (atoi(optarg) > g_max_cores) {
printf("Available number of CPU cores is %d\n", g_max_cores);
Expand All @@ -285,7 +289,7 @@ main(int argc, char **argv)
g_max_cores = atoi(optarg);
break;
default:
printf("Usage: %s [-f mos_config_file] [-c #_of_cpu]\n", argv[0]);
printf("Usage: %s [-f mos_config_file] [-c #_of_cpu] [-q]\n", argv[0]);
return 0;
}
}
Expand Down