mmqtt_incoming_publish_cb,mqtt_incoming_data_cb是收到 publish 消息后分别处理 topic 和 data 时触发的回调函数。 static voidmqtt_connection_cb(mqtt_client_t *client, void *arg, mqtt_connection_status_t status) { if (status == M
mqtt_set_inpub_callback(client, mqtt_incoming_publish_cb, mqtt_incoming_data_cb, arg); /* Subscribe to a topic named "subtopic" with QoS level 1, call mqtt_sub_request_cb with result */ err = mqtt_subscribe(client, "sensor_cmd", 1, mqtt_sub_request_cb, arg); if(err != ERR_O...
responseTopic: String which is used as the Topic Name for a response messagestring, correlationData: The Correlation Data is used by the sender of the Request Message to identify which request the Response Message is for when it is receivedbinary, userProperties: The User Property is allowed to...
options, &data); } int MQTTSetMessageHandler(MQTTClient* c, const char* topicFilter, messageHandler messageHandler) { int rc = FAILURE; int i = -1; /* first check for an existing matching slot */ for (i = 0; i <
("websocket_request --> %d\n", ev->status_machine); } int recv_cb(int fd, int events, void *arg) { struct ntyreactor *reactor = (struct ntyreactor*)arg; struct ntyevent *ev = ntyreactor_idx(reactor, fd); int len = recv(fd, ev->buffer, BUFFER_LENGTH , 0); // if (len ...
def sub_cb(topic, msg, distance): # 回调函数,收到服务器消息后会调用这个函数 print(topic, msg) if topic.decode("utf-8") == "data" and msg.decode("utf-8") == "distance": c.publish(b"data", str(distance)) def measure(trig, echo): ...
['../structmqtt__client.html#af5fed75fb3f83137d5c7635693cd7b6c',1,'mqtt_client']]] -]; diff --git a/docs/html/search/all_a.html b/docs/html/search/all_a.html deleted file mode 100644 index 4cb31f0..0000000 --- a/docs/html/search/all_a.html +++ /dev/null @@ -1,26 ...
cb: will be called when the client is closed. This parameter is optional. mqtt.Client#handleMessage(packet, callback) Handle messages with backpressure support, one at a time. Override at will, butalways callcallback, or the client will hang. ...
cb: will be called when the client is closed. This parameter is optional.mqtt.Client#removeOutgoingMessage(mid)Remove a message from the outgoingStore. The outgoing callback will be called withe Error('Message removed') if the message is removed.After...
the topic string and use it in mqtt_incoming_data_cb*///这两个函数 一个 处理 消息头 一个 处理 具体的 数据staticintinpub_id;staticvoidmqtt_incoming_publish_cb(void*arg,constchar*topic, u32_t tot_len) {//消息来了之后,先进入这里用于判断 是什么主题 的,2017年4月20日09:25:51printf("...