When i use koa+mqtt to build a push service, i found a problem , client publish callback function not working,this is my example code const mqtt = require('mqtt'); const client = mqtt.connect('mqtt://test.mosquitto.org:1883'); const Koa = require('koa'); const app = new Koa()...
The problem MQTT integration not work after core 2025.3.1. Delete the integration and reinstall again still have the issue. Log into MQTT by MQTT explorer is sucess What version of Home Assistant Core has the issue? 2025.3.1 What was the last working version of Home Assistant Core? 2025.2.x...
When you need to add a custom websocket subprotocol or header to open a connection through a proxy with custom authentication this callback allows you to create your own instance of a websocket which will be used in the mqtt client. constcreateWebsocket=(url,websocketSubProtocols,options)=>{co...
Authentication is critical in the majority of IoT applications as it ensures the effective prevention of unauthorized client connections and facilitates access control. However, in practical use, we often encounter challenges such as connection failures and access control not working as expected. This ar...
mqttClient.setCallback(new MqttCallback() { @Override public void connectionLost(Throwable cause) { //Called when the client lost the connection to the broker } @Override public void messageArrived(String topic, MqttMessage message) throws Exception { mqttPayload = topic + ": " + Arrays.toStr...
java.util.concurrent.ScheduledExecutorService;importorg.eclipse.paho.client.mqttv3.MqttClient;import...MqttCallback;importorg.eclipse.paho.client.mqttv3.MqttMessage; /** * 发布消息的回调类 * * 必须实现MqttCallback的接口并实现对应的相关接口方法 MQTT...
I am not able to do a Reconnect to MQTT If the connection goes down. I can see a hang in the system if I try to do a MQTT Reconnect. While debugging I found that its coming from a call to ssl_handshake_server_async() I tried with 3.5.2 SDK and also with 4.0 (Back porting th...
Passing a parameter of true to the method will force the disconnection, which will not send a DISCONNECT message but will instead close the connection directly. We can also pass in a callback function that will be called once the disconnection is completed. // Disconnect client.end() // ...
I am working on a project that uses MQTT, however I have run into an issue regarding writing to a topic through a callback function. Here is a sample code of my problem below mqttClient = mqttclient('tcp://192.168.1.100:1883')
userContext - optional object used to pass context to the callback. Use null if not required. callback - optional listener that will be notified when the connect completes. Use null if not required. Returns: token used to track and wait for the connect to complete. The token w...