首先,我们需要导入paho-mqtt库,这是Python中用于实现MQTT协议的库。可以使用以下命令进行安装: ```bash pip install paho-mqtt ``` 下面是一个完整的示例代码,展示如何使用mqttasync_setcallbacks方法: ```python import paho.mqtt.client as mqtt # 定义连接回调函数 def on_connect(client, userdata, flags, ...
*/ libmosq_EXPORT void mosquitto_subscribe_callback_set(struct mosquitto *mosq, void (*on_subscribe)(struct mosquitto *, void *, int, int, const int *)); paulorb changed the title Unable to receive messages (raw not associated with subscriptions) using MQTTAsync_setCallbacks Unable to ...