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pong handler: add sanity check for rtt

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This commit is contained in:
lemoer 2016-05-18 21:20:47 +02:00
parent 7b220b1464
commit 8f21a5da81
1 changed files with 6 additions and 0 deletions
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6
src/protocol_misc.c
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@ -137,6 +137,12 @@ bool pong_h(connection_t *c, const char *request) {
tv_usec = c->last_ping_time.tv_usec; tv_usec = c->last_ping_time.tv_usec;
} }
if (_now.tv_sec - tv_sec > 2*pingtimeout) {
/* timeout_handler should close the meta connection after pingtimeout.
* So if we still receive such pong, something is fishy. */
logger(DEBUG_ALWAYS, LOG_ERR, "bogus pong received from %s (%s)", c->name, c->hostname);
return false;
}
/* RTT should be in ms */ /* RTT should be in ms */
current_rtt = (_now.tv_sec - tv_sec)*1000; current_rtt = (_now.tv_sec - tv_sec)*1000;
/* Compute diff between usec */ /* Compute diff between usec */