public int Receive(byte[] data, int offset, int count)
{
try
{
if (!IsConnected())
{
Disconnect();
return(-1);
}
var received = Sock.Receive(data, offset, count, SocketFlags.None);
if (received <= 0)
{
Disconnect();
return(-1);
}
var dargs = new DataEventArgs(this, data, received);
OnDataReceived(this, dargs);
return(received);
}
catch (Exception ex)
{
#if DEBUG
Console.WriteLine(ex.ToString());
#endif
Disconnect();
return(-1);
}
}
private byte[] Receive()
{
var buf = new byte[4048];
byte last = 0;
while (last != 0x05)
{
var bytesRead = Sock.Receive(buf, 0, 2048, SocketFlags.None);
if (bytesRead > 0)
{
last = 0;
for (var i = buf.Length - 1; i > 0; i--)
{
var b = buf[i];
if (b != 0x0 && b != 0xA)
{
last = b;
break;
}
}
}
}
return(buf);
}
private void Loop()
{
while (true)
{
try
{
byte[] DataLength = new byte[2];
Sock.Receive(DataLength);
short Length = System.BitConverter.ToInt16(DataLength, 0);
byte[] PacketIdentifier = new byte[1];
Sock.Receive(PacketIdentifier);
byte[] Packet = new byte[Length];
Sock.Receive(Packet);
if (PacketIdentifier[0] == 0xFF)
{
//get some shit
switch (Packet[0])
{
case 1:
//handshake
Handshake();
break;
default: throw new Exception("Got protocol ID, but is malformed.");
}
}
else
{
ISComm.EventArgs.OnMessageArgs args = new ISComm.EventArgs.OnMessageArgs();
args.ID = PacketIdentifier[0];
if (args.ID == 0xFF)
{
args.IsProtocolPacket = true;
}
else
{
args.IsProtocolPacket = false;
}
args.Data = Packet;
args.Length = (short)(3 + Packet.Length);
//now call event handler
OnMessage(this, args);
}
}
catch (ObjectDisposedException)
{
return;
}
catch (SocketException)
{
return;
}
}
}