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Fix mosquitto_sub being unable to terminate with Ctrl-C.

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This occured if a successful connection was not made.

Closes #1957. Thanks to Peoh.
This commit is contained in:
Roger A. Light 2020-12-17 10:40:58 +00:00
parent 7a7fe8b80a
commit de141540fb
2 changed files with 13 additions and 2 deletions
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4
ChangeLog.txt
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@ -4,6 +4,10 @@ Broker:
- Fix LWT not being sent on client takeover when the existing session wasn't
being continued. Closes #1946.
Clients:
- Fix mosquitto_sub being unable to terminate with Ctrl-C if a successful
connection is not made. Closes #1957.
Apps:
- Fix `mosquitto_passwd -b` using username as password (not if `-c` is also
used). Closes #1949.

11
client/sub_client.c
View File

@ -45,13 +45,18 @@ struct mosquitto *mosq = NULL;
int last_mid = 0;
static bool timed_out = false;
static int connack_result = 0;
bool connack_received = false;
#ifndef WIN32
void my_signal_handler(int signum)
{
if(signum == SIGALRM || signum == SIGTERM || signum == SIGINT){
process_messages = false;
mosquitto_disconnect_v5(mosq, MQTT_RC_DISCONNECT_WITH_WILL_MSG, cfg.disconnect_props);
if(connack_received){
process_messages = false;
mosquitto_disconnect_v5(mosq, MQTT_RC_DISCONNECT_WITH_WILL_MSG, cfg.disconnect_props);
}else{
exit(-1);
}
}
if(signum == SIGALRM){
timed_out = true;
@ -123,6 +128,8 @@ void my_connect_callback(struct mosquitto *mosq, void *obj, int result, int flag
UNUSED(flags);
UNUSED(properties);
connack_received = true;
connack_result = result;
if(!result){
mosquitto_subscribe_multiple(mosq, NULL, cfg.topic_count, cfg.topics, cfg.qos, cfg.sub_opts, cfg.subscribe_props);