/// <summary>
/// 转换为结构体
/// </summary>
/// <returns></returns>
internal MQTTAsync_message ToStruct()
{
if (this.Payload == null)
{
this.Payload = new byte[0];
}
var msg = MQTTAsync_message.Init();
msg.retained = this.Retain ? 1 : 0;
msg.payloadlen = this.Payload.Length;
msg.qos = (int)this.QoS;
msg.payload = Marshal.AllocHGlobal(this.Payload.Length);
Marshal.Copy(this.Payload, 0, msg.payload, this.Payload.Length);
return(msg);
}
public static extern MqttError MQTTAsync_sendMessage(
IntPtr handle,
[MarshalAs(UnmanagedType.LPStr)] string destinationName,
ref MQTTAsync_message msg,
ref MQTTAsync_responseOptions response);