mosquitto/test/lib/cpp/02-subscribe-helper-callback-qos2.cpp
2025-09-17 12:48:02 +01:00

38 lines
642 B
C++

#include <cassert>
#include <cstdlib>
#include <cstring>
#include <mosquitto/libmosquittopp.h>
#define QOS 2
static int mydata = 1;
int cb(struct mosquitto *mosq, void *userdata, const struct mosquitto_message *msg)
{
assert(mosq);
assert(userdata == &mydata);
assert(msg);
assert(!strcmp(msg->topic, "qos2/test"));
return 1;
}
int main(int argc, char *argv[])
{
int port;
if(argc < 2){
return 1;
}
port = atoi(argv[1]);
mosqpp::lib_init();
mosqpp::subscribe_callback(
cb, &mydata, "qos2/test", QOS, "localhost", port,
"subscribe-qos2-test", 60, true, NULL, NULL, NULL, NULL);
mosqpp::lib_cleanup();
return 0;
}