mosquitto/test/lib/c/02-subscribe-qos1-async1.c
Roger A. Light 1a8c44b84f Fix regression on use of mosquitto_connect_async() not working.
Closes #1415 and #1422. Thanks to Karl Palsson, Till Zimmermann and Liam Fry.
2019-09-24 20:15:04 +01:00

79 lines
1.9 KiB
C

#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <mosquitto.h>
/* mosquitto_connect_async() test, with mosquitto_loop_start() called before mosquitto_connect_async(). */
static int run = -1;
static bool should_run = true;
void on_connect(struct mosquitto *mosq, void *obj, int rc)
{
if(rc){
exit(1);
}else{
mosquitto_subscribe(mosq, NULL, "qos1/test", 1);
}
}
void on_disconnect(struct mosquitto *mosq, void *obj, int rc)
{
run = rc;
}
void on_subscribe(struct mosquitto *mosq, void *obj, int mid, int qos_count, const int *granted_qos)
{
//mosquitto_disconnect(mosq);
should_run = false;
}
int main(int argc, char *argv[])
{
int rc;
struct mosquitto *mosq;
int port = atoi(argv[1]);
mosquitto_lib_init();
mosq = mosquitto_new("subscribe-qos1-test", true, NULL);
mosquitto_connect_callback_set(mosq, on_connect);
mosquitto_disconnect_callback_set(mosq, on_disconnect);
mosquitto_subscribe_callback_set(mosq, on_subscribe);
printf("ok, about to call connect_async\n");
// this only works if loop_start is first. with loop_start second,
// it fails on both 1.6.4 _and_ 1.6.5
// in this order, 1.6.4 works and 1.6.5 fails.
rc = mosquitto_loop_start(mosq);
printf("loop_start returned rc: %d\n", rc);
if (rc) {
printf("which is: %s\n", mosquitto_strerror(rc));
}
// not sure which rc you want to be returned....
rc = mosquitto_connect_async(mosq, "localhost", port, 60);
printf("connect async returned rc: %d\n", rc);
if (rc) {
printf("which is: %s\n", mosquitto_strerror(rc));
}
printf("ok, so we can start just waiting now, loop_start will run in it's thread\n");
/* 10 millis to be system polite */
//struct timespec tv = { 0, 10e6 };
struct timespec tv = { 1, 0 };
while(should_run){
nanosleep(&tv, NULL);
printf("...waiting...\n");
}
printf("Already exited should_run....\n");
mosquitto_disconnect(mosq);
mosquitto_loop_stop(mosq, false);
mosquitto_lib_cleanup();
return run;
}