fwiw, our 1.1 code aborted if connect_async returned non success.
Because in the past, it always succeeded. Now that it does make a
connection attempt, blocking or not, we need to not actually care about
the response being successful or not (other than MOSQ_ERR_INVAL) and
simply carry on and make the call to _loop_start()
#define CFG_DEFAULT_MQ_HOST "127.0.0.1"
int connect_result = mosquitto_connect_async(st->mosq,
CFG_DEFAULT_MQ_HOST, 1883, 90);
if (connect_result != MOSQ_ERR_SUCCESS) {
// oh, this looks really bad when this happens
WLOG("Failed to create a thread for connecting to %s: code:%d,
reason: %s\n",
CFG_DEFAULT_MQ_HOST, connect_result, strerror(errno));
// XXX DON'T ABORT HERE ON MOSQUITTO 1.2!
// return false;
}
// okay, "connected", lets go...
// start looping in a thread, this also reconnects if necessary!!
ILOG("Starting mosquitto loop thread\n");
int loop_result = mosquitto_loop_start(st->mosq);
if (loop_result != MOSQ_ERR_SUCCESS) {
// oh, this looks really bad again give up!
WLOG("Failed to create a thread for looping mosquitto.\n");
return false;
}
// everything fine
return true;
User error I guess :)
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https://bugs.launchpad.net/bugs/1212786
Title:
mosquitto_connect_async seems to be blocking since version 1.2
Status in mosquitto: an mqtt message broker:
Confirmed
Bug description:
I just downloaded version 1.2 and mosquitto_connect_async is now
blocking when connecting to server. Such behavior was not present on
the version 1.1.3 i was using.
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