private async Task <ushort> PUBLISH(string Topic, MqttQualityOfService QoS, bool Retain, bool Duplicate, byte[] Data)
{
BinaryOutput Payload = new BinaryOutput();
ushort PacketIdentifier;
Payload.WriteString(Topic);
if (QoS > MqttQualityOfService.AtMostOnce)
{
PacketIdentifier = this.packetIdentifier++;
if (PacketIdentifier == 0)
{
PacketIdentifier = this.packetIdentifier++;
}
Payload.WriteUInt16(PacketIdentifier);
}
else
{
PacketIdentifier = 0;
}
Payload.WriteBytes(Data);
byte[] PayloadData = Payload.GetPacket();
BinaryOutput Packet = new BinaryOutput();
byte b = (byte)((int)MqttControlPacketType.PUBLISH << 4);
if (Duplicate)
{
b |= 8;
}
b |= (byte)((int)QoS << 1);
if (Retain)
{
b |= 1;
}
Packet.WriteByte(b);
Packet.WriteUInt((uint)PayloadData.Length);
Packet.WriteBytes(PayloadData);
byte[] PacketData = Packet.GetPacket();
if (this.HasSniffers)
{
this.Information("PUBLISH(" + QoS.ToString() + ":" + Topic + ")");
}
await this.Write(PacketData, PacketIdentifier, null);
return(PacketIdentifier);
}
public static void Main(string[] args)
{
Initialize();
Console.Out.Write("Host Name (default iot.eclipse.org): ");
string Host = Console.In.ReadLine();
if (string.IsNullOrEmpty(Host))
{
Console.Out.WriteLine("Using iot.eclipse.org.");
Host = "iot.eclipse.org";
}
Console.Out.WriteLine();
Console.Out.Write("Port Number (default 1883): ");
string s = Console.In.ReadLine();
int Port;
if (string.IsNullOrEmpty(s))
{
Console.Out.WriteLine("Using port 1883.");
Port = 1883;
}
else
{
Port = int.Parse(s);
}
Console.Out.WriteLine();
BinaryOutput Payload;
int PacketsLeft = NrTestsPerQoS;
using (MqttConnection MqttConnection = ConnectToMqttServer("iot.eclipse.org", Port, string.Empty, string.Empty))
{
WriteLine("<" + MqttConnection.State.ToString() + ">", C64Colors.LightGreen);
MqttConnection.TrustServer = true;
MqttConnection.OnConnectionError += (sender, ex) =>
{
WriteLine("Unable to connect:", C64Colors.Red);
};
MqttConnection.OnError += (sender, ex) =>
{
WriteLine(ex.Message, C64Colors.Red);
};
MqttConnection.OnContentReceived += (sender, Content) =>
{
string ClientId = Content.DataInput.ReadString();
if (ClientId == sender.ClientId)
{
DateTime TP = Content.DataInput.ReadDateTime();
MqttQualityOfService QoS = (MqttQualityOfService)Content.DataInput.ReadByte();
Console.Out.WriteLine("Latency: " + (DateTime.Now - TP).TotalMilliseconds + " ms (" + QoS.ToString() + ")");
bool Resend;
if (--PacketsLeft > 0)
{
Resend = true;
}
else if (QoS < MqttQualityOfService.ExactlyOne)
{
QoS = (MqttQualityOfService)((int)QoS + 1);
PacketsLeft = NrTestsPerQoS;
Resend = true;
}
else
{
Resend = false;
}
if (Resend)
{
Payload = new BinaryOutput();
Payload.WriteString(MqttConnection.ClientId);
Payload.WriteDateTime(DateTime.Now);
Payload.WriteByte((byte)QoS);
MqttConnection.PUBLISH("RetroSharp/Examples/Networking/Latency", QoS, false, Payload);
}
else
{
Console.Out.WriteLine("Press ENTER to continue.");
}
}
};
MqttConnection.OnStateChanged += (sender, state) =>
{
WriteLine("<" + MqttConnection.State.ToString() + ">", C64Colors.LightGreen);
if (state == MqttState.Connected)
{
MqttConnection.SUBSCRIBE("RetroSharp/Examples/Networking/Latency");
Payload = new BinaryOutput();
Payload.WriteString(MqttConnection.ClientId);
Payload.WriteDateTime(DateTime.Now);
Payload.WriteByte((byte)MqttQualityOfService.AtMostOne);
MqttConnection.PUBLISH("RetroSharp/Examples/Networking/Latency", MqttQualityOfService.AtMostOne, false, Payload);
}
};
Console.In.ReadLine();
}
Terminate();
}