static int send_mqtt_message(PROV_TRANSPORT_MQTT_INFO* mqtt_info, const char* msg_topic) { int result; MQTT_MESSAGE_HANDLE msg_handle = NULL; if ((msg_handle = mqttmessage_create(get_next_packet_id(mqtt_info), msg_topic, DELIVER_AT_MOST_ONCE, NULL, 0)) == NULL) { LogError("Failed creating mqtt message"); result = __FAILURE__; } else { if (mqtt_client_publish(mqtt_info->mqtt_client, msg_handle) != 0) { LogError("Failed publishing client message"); result = __FAILURE__; } else { result = 0; } mqttmessage_destroy(msg_handle); } return result; }
static int test_publish(struct harness_t *harness_p) { struct mqtt_application_message_t foobar; foobar.topic.buf_p = "foo/bar"; foobar.topic.size = 7; foobar.payload.buf_p = "fie"; foobar.payload.size = 3; foobar.qos = 1; BTASSERT(mqtt_client_publish(&client, &foobar) == 0); return (0); }
static int publishMqttMessage(PMQTTTRANSPORT_HANDLE_DATA transportState, MQTT_MESSAGE_DETAILS_LIST* mqttMsgEntry, const unsigned char* payload, size_t len) { int result; MQTT_MESSAGE_HANDLE mqttMsg = mqttmessage_create(transportState->packetId++, STRING_c_str(transportState->mqttEventTopic), DELIVER_AT_LEAST_ONCE, payload, len); if (mqttMsg == NULL) { result = __LINE__; } else { if (mqtt_client_publish(transportState->mqttClient, mqttMsg) != 0) { result = __LINE__; } else { mqttMsgEntry->retryCount++; (void)tickcounter_get_current_ms(g_msgTickCounter, &mqttMsgEntry->msgPublishTime); result = 0; } mqttmessage_destroy(mqttMsg); } return result; }
static void OnOperationComplete(MQTT_CLIENT_HANDLE handle, MQTT_CLIENT_EVENT_RESULT actionResult, const void* msgInfo, void* callbackCtx) { (void)callbackCtx; switch (actionResult) { case MQTT_CLIENT_ON_CONNACK: { PrintLogFunction(LOG_LINE, "ConnAck function called"); const CONNECT_ACK* connack = (CONNECT_ACK*)msgInfo; SUBSCRIBE_PAYLOAD subscribe[] = { { TOPIC_NAME_A, DELIVER_AT_MOST_ONCE }, { TOPIC_NAME_B, DELIVER_EXACTLY_ONCE }, }; if (mqtt_client_subscribe(handle, PACKET_ID_VALUE++, subscribe, sizeof(subscribe) / sizeof(subscribe[0])) != 0) { PrintLogFunction(LOG_LINE, "%d: mqtt_client_subscribe failed", __LINE__); g_continue = false; } break; } case MQTT_CLIENT_ON_SUBSCRIBE_ACK: { const SUBSCRIBE_ACK* suback = (SUBSCRIBE_ACK*)msgInfo; MQTT_MESSAGE_HANDLE msg = mqttmessage_create(PACKET_ID_VALUE++, TOPIC_NAME_A, DELIVER_EXACTLY_ONCE, APP_NAME_A, strlen(APP_NAME_A)); if (msg == NULL) { PrintLogFunction(LOG_LINE, "%d: mqttmessage_create failed", __LINE__); g_continue = false; } else { if (mqtt_client_publish(handle, msg)) { PrintLogFunction(LOG_LINE, "%d: mqtt_client_publish failed", __LINE__); g_continue = false; } mqttmessage_destroy(msg); } // Now send a message that will get break; } case MQTT_CLIENT_ON_PUBLISH_ACK: { const PUBLISH_ACK* puback = (PUBLISH_ACK*)msgInfo; break; } case MQTT_CLIENT_ON_PUBLISH_RECV: { const PUBLISH_ACK* puback = (PUBLISH_ACK*)msgInfo; break; } case MQTT_CLIENT_ON_PUBLISH_REL: { const PUBLISH_ACK* puback = (PUBLISH_ACK*)msgInfo; break; } case MQTT_CLIENT_ON_PUBLISH_COMP: { const PUBLISH_ACK* puback = (PUBLISH_ACK*)msgInfo; // Done so send disconnect mqtt_client_disconnect(handle); break; } case MQTT_CLIENT_ON_ERROR: case MQTT_CLIENT_ON_DISCONNECT: g_continue = false; break; } }