public static UdpUser ConnectTo(string hostname, int port)
{
var connection = new UdpUser();
connection.Client.Connect(hostname, port);
return(connection);
}
static void Main(string[] args)
{
bool isInit = true;
var sessionID = new byte[] { 0x00, 0x29 };
var remotePacketID = new byte[] { 0x00, 0x00 };
var localPacketID = new byte[] { 0x00, 0x00 };
var client = UdpUser.ConnectTo("192.168.0.50", 9910);
var server = new UdpListener();
Task.Factory.StartNew(async() => {
while (true)
{
var received = await server.Receive();
var read = Encoding.ASCII.GetString(received.Message, 0, received.Message.Length);
var datagramSendCmd = new byte[]
{ 0x08, 0x18, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x0c, 0x8f, 0x00,
0x43, 0x50, 0x67, 0x49,
0x00, 0xda, 0x00, 0x00 };
datagramSendCmd[2] = sessionID[0];
datagramSendCmd[3] = sessionID[1];
datagramSendCmd[4] = remotePacketID[1];
datagramSendCmd[5] = remotePacketID[0];
int LPID = BitConverter.ToUInt16(localPacketID, 0);
if (!isInit)
{
localPacketID = BitConverter.GetBytes(++LPID);
datagramSendCmd[10] = localPacketID[1];
datagramSendCmd[11] = localPacketID[0];
}
switch (read)
{
case "init":
var datagramSend = new byte[]
{ 0x10, 0x14, 0x00, 0x29,
0x00, 0x00, 0x00, 0x00,
0x00, 0xab, 0x00, 0x00,
0x01, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00 };
isInit = true;
client.Send(datagramSend);
break;
case "c1":
datagramSendCmd[23] = 0x01;
client.Send(datagramSendCmd);
Console.WriteLine("Cam1 send. Pong {0}, Ping {1}", BitConverter.ToUInt16(remotePacketID, 0), LPID);
break;
case "c2":
datagramSendCmd[23] = 0x02;
client.Send(datagramSendCmd);
Console.WriteLine("Cam2 send. Pong {0}, Ping {1}", BitConverter.ToUInt16(remotePacketID, 0), LPID);
break;
case "c3":
datagramSendCmd[23] = 0x03;
client.Send(datagramSendCmd);
Console.WriteLine("Cam3 send. Pong {0}, Ping {1}", BitConverter.ToUInt16(remotePacketID, 0), LPID);
break;
case "c4":
datagramSendCmd[23] = 0x04;
client.Send(datagramSendCmd);
Console.WriteLine("Cam4 send. Pong {0}, Ping {1}", BitConverter.ToUInt16(remotePacketID, 0), LPID);
break;
case "c5":
datagramSendCmd[23] = 0x05;
client.Send(datagramSendCmd);
Console.WriteLine("Cam5 send. Pong {0}, Ping {1}", BitConverter.ToUInt16(remotePacketID, 0), LPID);
break;
case "c6":
datagramSendCmd[23] = 0x06;
client.Send(datagramSendCmd);
Console.WriteLine("Cam6 send. Pong {0}, Ping {1}", BitConverter.ToUInt16(remotePacketID, 0), LPID);
break;
case "ping":
if (!isInit)
{
var datagramSendping = new byte[]
{ 0x08, 0x0c, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00 };
datagramSendping[2] = sessionID[0];
datagramSendping[3] = sessionID[1];
datagramSendping[10] = localPacketID[1];
datagramSendping[11] = localPacketID[0];
client.Send(datagramSendping);
Console.WriteLine("Ping {0}", LPID);
}
break;
default:
Console.WriteLine("Unknown command");
break;
}
}
});
Task.Factory.StartNew(async() => {
while (true)
{
try
{
var received = await client.Receive();
if (isInit)
{
if ((received.Message[2] == 0x00) && (received.Message[3] == 0x29))
{
var datagramSend = new byte[]
{ 0x80, 0x0c, 0x00, 0x29,
0x00, 0x00, 0x00, 0x00,
0x00, 0x18, 0x00, 0x00 };
client.Send(datagramSend);
Console.WriteLine("Init received");
}
else
{
sessionID[0] = received.Message[2];
sessionID[1] = received.Message[3];
Console.WriteLine("Session ID obtained");
isInit = false;
}
}
else
{
if (received.Message[9] == 0x00)
{
remotePacketID[1] = received.Message[10];
remotePacketID[0] = received.Message[11];
}
if (received.Message.Length < 215)
{
var datagramSend = new byte[]
{ 0x80, 0x0c, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00 };
datagramSend[2] = sessionID[0];
datagramSend[3] = sessionID[1];
datagramSend[4] = remotePacketID[1];
datagramSend[5] = remotePacketID[0];
datagramSend[9] = 0xa2;
client.Send(datagramSend);
Console.WriteLine("Pong {0}", BitConverter.ToUInt16(remotePacketID, 0));
}
}
}
catch (Exception ex)
{
Debug.Write(ex);
}
}
});
string conread;
do
{
conread = Console.ReadLine();
} while (conread != "q");
}