/// <summary>
/// UDP Server Thread for audio frames
/// </summary>
private void UDPThreadAudio()
{
Socket sock = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
sock.ReceiveBufferSize = 10000000;
sock.ReceiveTimeout = 900;
IPEndPoint iep = new IPEndPoint(IPAddress.Any, _iPortAudio);
sock.Bind(iep);
EndPoint ep = (EndPoint)iep;
int iRead;
byte[] data = new byte[10000];
IPEndPoint iepConv;
System.Text.Encoding enc;
enc = System.Text.Encoding.ASCII;
while (!_bStopServer)
{
try
{
iRead = sock.ReceiveFrom(data, ref ep);
if (iRead > 0)
{
//Console.WriteLine("Thread Audio:" + iRead.ToString());
/*int iCnt = data[2];
* iCnt <<= 8;
* iCnt |= data[1];*/
switch (data[0])
{
case CMD_ECHO:
sock.SendTo(data, iRead, SocketFlags.None, ep);
Program.MainForm.UpdateBytesRX(iRead);
break;
case CMD_FRM_AUDIO:
User usr = Program.MainForm.GetUserFromIPNoPort(ep.ToString());
//Console.WriteLine(usr.GetUser() + " > Audio ");
iepConv = usr.GetIEPConvAudio();
if (iepConv != null)
{
sock.SendTo(data, iRead, SocketFlags.None, iepConv);
}
break;
case CMD_BIND_USER:
data[iRead] = 0;
string sTmp = enc.GetString(data, 1, iRead - 1);
User usrReceiver = Program.MainForm.GetUser(sTmp);
User usrCaller = Program.MainForm.GetUserFromIPNoPort(ep.ToString());
if (usrReceiver != null)
{
usrCaller.SetIepAudio(ep.ToString());
usrCaller.SetIEPConvAudio(usrReceiver.GetIEPAudio());
String sCal = usrCaller.GetIEPVideo().Address + ":" + usrCaller.GetIEPVideo().Port;
String sDst = usrReceiver.GetIEPVideo().Address + ":" + usrReceiver.GetIEPVideo().Port;
Program.MainForm.AddLog("AUDIO BINDING :" + usrCaller.GetUser() + " " + sCal + "-> " + usrReceiver.GetUser() + " " + sDst, "");
data[1] = ACK;
sock.SendTo(data, 2, SocketFlags.None, ep);
}
else
{
Program.MainForm.AddLog(usrCaller.GetUser() + " CANNOT AUDIO BIND ", "");
data[1] = NACK;
sock.SendTo(data, 2, SocketFlags.None, ep);
}
break;
}
}
}
catch (Exception)
{
}
}
sock.Close();
}
