while(run){
do{
rc = mosquitto_loop(mosq, timeout, max_packets);
}while(run && rc == MOSQ_ERR_SUCCESS);
/* Quit after fatal errors. */
switch(rc){
case MOSQ_ERR_NOMEM:
case MOSQ_ERR_PROTOCOL:
case MOSQ_ERR_INVAL:
case MOSQ_ERR_NOT_FOUND:
case MOSQ_ERR_TLS:
case MOSQ_ERR_PAYLOAD_SIZE:
case MOSQ_ERR_NOT_SUPPORTED:
case MOSQ_ERR_AUTH:
case MOSQ_ERR_ACL_DENIED:
case MOSQ_ERR_UNKNOWN:
case MOSQ_ERR_EAI:
case MOSQ_ERR_PROXY:
return rc;
case MOSQ_ERR_ERRNO:
break;
}
mosquitto遇到嚴重錯誤時會退出循環
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