/// <summary>
/// Constructor
/// </summary>
/// <param name="region">UIoT-Core Region: cn-sh2</param>
/// <param name="productSN">UIoT-Core productSN</param>
/// <param name="deviceSN">UIoT-Core deviceSN</param>
/// <param name="deviceSecret">UIoT-Core deviceSecret</param>
/// <param name="secure">UIoT-Core secure mode:1883/8883</param>
/// <param name="caCertFilename">CA certificate filepath for secure connection</param>
/// <param name="handler">The Receive callback handler:void MqttMsgPublishEventHandler(object sender, MqttMsgPublishEventArgs e) </param>
public UIoTClient(string region, string productSN, string deviceSN, string deviceSecret, bool secure, string caCertFilename, MqttClient.MqttMsgPublishEventHandler handler)
{
#if !(WINDOWS_APP || WINDOWS_PHONE_APP)
X509Certificate caCert;
if (caCertFilename == null)
{
caCert = null;
}
else
{
caCert = X509Certificate.CreateFromCertFile(caCertFilename);
}
mqttclient = new MqttClient("mqtt-" + region + ".iot.ucloud.cn", secure?8883:1883, secure, caCert, null, MqttSslProtocols.TLSv1_2);
#else
mqttclient = new MqttClient("mqtt-" + region + "iot.ucloud.cn", MqttSettings.MQTT_BROKER_DEFAULT_SSL_PORT, true, MqttSslProtocols.TLSv1_2);
#endif
this.productSN = productSN;
this.deviceSN = deviceSN;
this.deviceSecret = deviceSecret;
this.region = region;
subtopics = new List <string>();
subtopicqoss = new List <byte>();
this.IsConnected = false;
this.umqttMsgPublishReceivedHandler = handler;
mqttclient.MqttMsgPublishReceived += handler;
// 连接断开事件绑定
mqttclient.ConnectionClosed += (sender, e) =>
{
this.IsConnected = false;
this.Connect();
};
}
void Client_MqttMsgPublishReceived(object sender, MqttMsgPublishEventArgs e)
{
//处理接收到的消息
string msg = System.Text.Encoding.Default.GetString(e.Message);
if (this.InvokeRequired)
{
MqttClient.MqttMsgPublishEventHandler setpos = new MqttClient.MqttMsgPublishEventHandler(Client_MqttMsgPublishReceived);
this.Invoke(setpos, new object[] { sender }, e);
}
else
{
richTextBox2.AppendText(e.Topic + ":" + msg + "--" + DateTime.Now.ToString() + "\r\n");
}
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="region">UIoT-Core Region: cn-sh2</param>
/// <param name="productSN">UIoT-Core productSN</param>
/// <param name="deviceSN">UIoT-Core deviceSN</param>
/// <param name="deviceSecret">UIoT-Core deviceSecret</param>
/// <param name="caCertFilename">CA certificate filepath for secure connection</param>
/// <param name="handler">The Receive callback handler:void MqttMsgPublishEventHandler(object sender, MqttMsgPublishEventArgs e) </param>
public UIoTClient(string region, string productSN, string deviceSN, string deviceSecret, string caCertFilename, MqttClient.MqttMsgPublishEventHandler handler) :
this(region, productSN, deviceSN, deviceSecret, true, caCertFilename, handler)
{
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="region">UIoT-Core Region: cn-sh2</param>
/// <param name="productSN">UIoT-Core productSN</param>
/// <param name="deviceSN">UIoT-Core deviceSN</param>
/// <param name="deviceSecret">UIoT-Core deviceSecret</param>
/// <param name="handler">The Receive callback handler:void MqttMsgPublishEventHandler(object sender, MqttMsgPublishEventArgs e) </param>
public UIoTClient(string region, string productSN, string deviceSN, string deviceSecret, MqttClient.MqttMsgPublishEventHandler handler) :
this(region, productSN, deviceSN, deviceSecret, true, null, handler)
{
}
