/// <summary>
/// 设置客户端相关回调
/// </summary>
private void InitClientCallbacks()
{
var lost = new MQTTAsync_connectionLost((context, cause) =>
{
var e = this.OnConnectionLost;
if (e != null)
{
e.Invoke(this);
}
});
var arrvied = new MQTTAsync_messageArrived((context, topicName, topicLen, msg) =>
{
var e = this.OnMessageArrived;
if (e != null)
{
var topic = Marshal.PtrToStringAnsi(topicName, topicLen);
var message = MqttMessage.From(msg);
e.Invoke(this, topic, message);
}
MQTTAsync.MQTTAsync_free(topicName);
MQTTAsync.MQTTAsync_freeMessage(ref msg);
return(1);
});
var er = MQTTAsync.MQTTAsync_setCallbacks(this.handle, IntPtr.Zero, lost, arrvied, null);
this.EnsureSuccessCode(er);
this.AutoRef(lost, arrvied);
}
public static extern MqttError MQTTAsync_setCallbacks(
IntPtr handle,
IntPtr context,
MQTTAsync_connectionLost connectionLost,
MQTTAsync_messageArrived messageArrived,
MQTTAsync_deliveryComplete deliveryComplete);
