03-publish-c2b-qos2-pubrec-error.c 1.2 KB

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  1. #include <stdbool.h>
  2. #include <stdio.h>
  3. #include <stdlib.h>
  4. #include <string.h>
  5. #include <mosquitto.h>
  6. static int run = -1;
  7. void on_connect(struct mosquitto *mosq, void *obj, int rc, int flags, const mosquitto_property *properties)
  8. {
  9. if(rc){
  10. exit(1);
  11. }
  12. mosquitto_publish_v5(mosq, NULL, "topic", strlen("rejected"), "rejected", 2, false, NULL);
  13. mosquitto_publish_v5(mosq, NULL, "topic", strlen("accepted"), "accepted", 2, false, NULL);
  14. }
  15. void on_publish(struct mosquitto *mosq, void *obj, int mid, int reason_code, const mosquitto_property *properties)
  16. {
  17. if(mid == 2){
  18. run = 0;
  19. }
  20. }
  21. int main(int argc, char *argv[])
  22. {
  23. int rc;
  24. struct mosquitto *mosq;
  25. mosquitto_property *props = NULL;
  26. int port = atoi(argv[1]);
  27. mosquitto_lib_init();
  28. mosq = mosquitto_new("publish-qos2-test", true, &run);
  29. if(mosq == NULL){
  30. return 1;
  31. }
  32. mosquitto_int_option(mosq, MOSQ_OPT_PROTOCOL_VERSION, MQTT_PROTOCOL_V5);
  33. mosquitto_connect_v5_callback_set(mosq, on_connect);
  34. mosquitto_publish_v5_callback_set(mosq, on_publish);
  35. rc = mosquitto_connect_bind_v5(mosq, "localhost", port, 60, NULL, NULL);
  36. while(run == -1){
  37. mosquitto_loop(mosq, 100, 1);
  38. }
  39. mosquitto_destroy(mosq);
  40. mosquitto_lib_cleanup();
  41. return run;
  42. }