mqttasync_setconnected 函数详解 1. 函数作用 mqttasync_setconnected 函数是 Paho MQTT C 库中的一个接口,用于设置 MQTT 客户端在连接到 MQTT 服务器后的回调函数。当客户端成功建立连接后,这个回调函数会被调用,允许应用程序执行一些特定的操作,比如订阅主题等。需要注意的是,这个函数通常在异步连接的上下文中...
reproduce steps: 1.paho client is sending data to broker for every ten seconds 2.unplug the network cable, 3.after a while, broker shows "" Client RTUv2_Client2 has exceeded timeout, disconnecting" 4.wait for long time, MQTTAsync_isConne...
问如何在asp.net内核中使用MQTTnet.Server中的GetConnectedClientsAsyncEN所谓URL重写指的是更改当前执行的...
I don't yet have a deterministic way of reproducing this behavior, sorry for that, but it has happened to me several times that MqttClient.PublishAsync(...) throws an MQTTnet.Exceptions.MqttCommunicationException exception with message "The client is not connected.", but a check on MqttClien...
private synchronized IMqttAsyncClient checkConnection() throws MqttException { if (this.client != null && !this.client.isConnected()) { this.client.setCallback(null); this.client.close(); this.client = null; } if (this.client == null) { try { MqttConnectOptions connectionOptions = this...
origin:eclipse/paho.mqtt.android MqttConnection.isConnected() /*** @return true if we are connected to an MQTT server*/publicbooleanisConnected() {returnmyClient != null && myClient.isConnected();} origin:aws-amplify/aws-sdk-android