public void RemoveUserDead()
{
try
{
if (!lstUsers.InvokeRequired)
{
int i;
for (i = 0; i < _listUsr.Count; i++)
{
User tmp = (User)_listUsr[i];
if (tmp.GetIEPConvVideo() == null && tmp.GetIEPConvAudio() == null)
{
if (!tmp.GetHearBeat())
{
lstUsers.Items.Remove(tmp.GetUser());
_listUsr.Remove(tmp);
tmp = null;
}
else
{
tmp.SetHearBeat(false);
}
}
}
}
else
{
RemoveUserDeadCallback d = new RemoveUserDeadCallback(RemoveUserDead);
Invoke(d, new object[] { });
}
}
catch (Exception)
{
}
}
public String GetUsrLst(String sIP)
{
try
{
int i; String sRet = "";
for (i = 0; i < _listUsr.Count; i++)
{
User usr = (User)_listUsr[i];
if (usr.GetIP() != sIP)
{
sRet += usr.GetUser() + "|";
}
}
return(sRet);
}
catch (Exception)
{
}
return("");
}
public User GetUser(String sUser)
{
User usr = null;
try
{
int i;
for (i = 0; i < _listUsr.Count && usr == null; i++)
{
User tmp = (User)_listUsr[i];
if (tmp.GetUser() == sUser)
{
usr = tmp;
}
}
}
catch (Exception)
{
}
return(usr);
}
public void UpdateUserList(string sUsr, String sIP, string sPortVideo, string sPortAudio, bool bAdd, Socket sck)
{
try
{
if (!lstUsers.InvokeRequired)
{
// remove if exist
int i;
for (i = 0; i < _listUsr.Count; i++)
{
User tmp = (User)_listUsr[i];
if (tmp.GetUser() == sUsr)
{
_listUsr.Remove(tmp);
lstUsers.Items.Remove(sUsr);
}
}
if (bAdd)
{
User usr = new User(sUsr, sIP, sck);
usr.SetIepAudio(Convert.ToInt32(sPortAudio));
usr.SetIepVideo(Convert.ToInt32(sPortVideo));
_listUsr.Add(usr);
lstUsers.Items.Add(sUsr);
}
}
else
{
UpdateUserListCallback d = new UpdateUserListCallback(UpdateUserList);
Invoke(d, new object[] { sUsr, sIP, sPortVideo, sPortAudio, bAdd, sck });
}
}
catch (Exception)
{
}
}
/// <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();
}
