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| author | dimitri staessens <dimitri.staessens@intec.ugent.be> | 2017-02-22 11:47:47 +0000 |
|---|---|---|
| committer | Sander Vrijders <sander.vrijders@intec.ugent.be> | 2017-02-22 11:47:47 +0000 |
| commit | 63cf8fdb4a79a08572e2488d65a040ba733bdfbc (patch) | |
| tree | 6f35c361f2e392eccb276dbc8bb365a45cf5fae9 | |
| parent | f5ca2eed99c8fa741e8d2e8385d1b4f10e433df8 (diff) | |
| parent | c50f6c28cb7f97e5a919e696ffb096001a68664a (diff) | |
| download | ouroboros-63cf8fdb4a79a08572e2488d65a040ba733bdfbc.tar.gz ouroboros-63cf8fdb4a79a08572e2488d65a040ba733bdfbc.zip | |
Merged in dstaesse/ouroboros/testing (pull request #387)
tools: Fix overflow bug in oping
| -rw-r--r-- | src/tools/oping/oping_client.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/src/tools/oping/oping_client.c b/src/tools/oping/oping_client.c index ee2d9df6..99c11a68 100644 --- a/src/tools/oping/oping_client.c +++ b/src/tools/oping/oping_client.c @@ -86,7 +86,7 @@ void * reader(void * o) ++client.rcvd; - clock_gettime(CLOCK_REALTIME, &now); + clock_gettime(CLOCK_MONOTONIC, &now); pthread_mutex_lock(&client.lock); ms = ts_diff_us(&client.times[ntohl(msg->id)], &now) @@ -105,7 +105,7 @@ void * reader(void * o) client.rtt_max = ms; d = (ms - client.rtt_avg); - client.rtt_avg += d / (float) client.rcvd; + client.rtt_avg += d / client.rcvd; client.rtt_m2 += d * (ms - client.rtt_avg); } @@ -140,18 +140,19 @@ void * writer(void * o) nanosleep(&wait, NULL); msg->type = htonl(ECHO_REQUEST); msg->id = htonl(client.sent); + + clock_gettime(CLOCK_MONOTONIC, &now); + + pthread_mutex_lock(&client.lock); + client.times[client.sent++] = now; + pthread_mutex_unlock(&client.lock); + if (flow_write(*fdp, buf, client.size) == -1) { printf("Failed to send SDU.\n"); flow_dealloc(*fdp); free(buf); return (void *) -1; } - - clock_gettime(CLOCK_REALTIME, &now); - - pthread_mutex_lock(&client.lock); - client.times[client.sent++] = now; - pthread_mutex_unlock(&client.lock); } pthread_cleanup_pop(true); @@ -252,7 +253,7 @@ int client_main(void) client.rtt_max); if (client.rcvd > 1) printf("%.3f ms\n", - sqrt(client.rtt_m2 / (float) (client.rcvd - 1))); + sqrt(client.rtt_m2 / (client.rcvd - 1))); else printf("NaN ms\n"); } |