private void UDPListenerReceiveCallback(System.IAsyncResult ar)
{
System.Net.Sockets.Socket serversocket = ((StateObject)ar.AsyncState).ServerSocket;
byte[] buffer = ((StateObject)ar.AsyncState).Buffer;
try
{
System.Net.Sockets.SocketFlags sf = System.Net.Sockets.SocketFlags.None;
System.Net.EndPoint client = new System.Net.IPEndPoint(System.Net.IPAddress.None, 0);
System.Net.Sockets.IPPacketInformation pi = new System.Net.Sockets.IPPacketInformation();
int received = serversocket.EndReceiveMessageFrom(ar, ref sf, ref client, out pi);
if (received > 0)
{
string[] clientinformations = System.Text.Encoding.Unicode.GetString(buffer, 0, received).Split('|');
if (clientinformations.Length >= 3)
{
switch ((Commands)int.Parse(clientinformations[0]))
{
case Commands.GetServerInformations:
Version clientversion = new Version(byte.Parse(clientinformations[1]), byte.Parse(clientinformations[2]));
if (clientversion.Major < Version.Major || (clientversion.Major == Version.Major && clientversion.Minor <= Version.Minor))
{
string serverinformation = "Wall Street Game Server on " + System.Environment.MachineName;
if (GetServerInformationEvent != null)
{
serverinformation = GetServerInformationEvent();
if (serverinformation == null)
{
serverinformation = String.Empty;
}
serverinformation = serverinformation.Replace("|", null);
}
serverinformation += '|' + Version.Major.ToString() + '|' + Version.Minor.ToString() + '|';
serversocket.SendTo(System.Text.Encoding.Unicode.GetBytes(serverinformation), client);
}
break;
}
}
}
}
catch (System.ObjectDisposedException)
{
// The socket has been closed.
}
catch (System.Exception ex)
{
throw ex;
}
}
public int ReceiveMessageFrom(byte[] buffer, int offset, int size, ref System.Net.Sockets.SocketFlags socketFlags, ref System.Net.EndPoint remoteEP, out System.Net.Sockets.IPPacketInformation ipPacketInformation)
{
throw null;
}
public int ReceiveMessageFrom(byte[] buffer, int offset, int size, ref System.Net.Sockets.SocketFlags socketFlags, ref System.Net.EndPoint remoteEP, out System.Net.Sockets.IPPacketInformation ipPacketInformation)
{
ipPacketInformation = default(System.Net.Sockets.IPPacketInformation); return(default(int));
}
public int EndReceiveMessageFrom(System.IAsyncResult asyncResult, ref System.Net.Sockets.SocketFlags socketFlags, ref System.Net.EndPoint endPoint, out System.Net.Sockets.IPPacketInformation ipPacketInformation)
{
ipPacketInformation = default(System.Net.Sockets.IPPacketInformation); return(default(int));
}
