public GameClientDataHandler(UInt32 id, Socket clientSocket, Socket serverSocket)
{
this.id = id;
this.clientSocket = clientSocket;
this.serverSocket = serverSocket;
serverParseState = ServerParseState.Idle;
}
public SocketDataHandler DataFromClient(Socket socket, Byte[] data, UInt32 length)
{
if (length == 0)
{
String rest = clientLineParser.Flush();
if (printTraffic)
{
if (rest != null)
{
Console.WriteLine("[CLIENT {0}] {1}", id, rest);
}
}
if (printTraffic)
{
Console.WriteLine("[CLIENT {0}] [Closed]", id);
}
if (serverSocket.Connected)
{
serverSocket.Shutdown(SocketShutdown.Both);
}
return(null);
}
serverSocket.Send(data, 0, (Int32)length, SocketFlags.None);
clientLineParser.Add(data, 0, length);
String line;
while (true)
{
line = clientLineParser.GetLine();
if (line == null)
{
break;
}
if (printTraffic)
{
Console.WriteLine("[CLIENT {0}] {1}", id, line);
}
// Search for 'action=start_rob_house'
if (serverParseState == ServerParseState.Idle)
{
if (line.Contains(RobAction))
{
Int32 encryptionKeyIndex = line.IndexOf(MapEncryption);
if (encryptionKeyIndex < 0)
{
throw new FormatException(String.Format("Client Request had '{0}' but not '{1}'", RobAction, MapEncryption));
}
nextMapEncryptionKey = new Byte[40];
Encoding.ASCII.GetBytes(line, (Int32)(encryptionKeyIndex + MapEncryption.Length), 40,
nextMapEncryptionKey, 0);
/*
* Console.Write("[INFO] Rob House key= (Byte array of characters) '");
* for (int i = 0; i < nextMapEncryptionKey.Length; i++)
* {
* Console.Write((Char)nextMapEncryptionKey[i]);
* }
* Console.WriteLine("'");
*/
serverParseState = ServerParseState.BlankLine;
}
}
}
return(DataFromClient);
}
public SocketDataHandler DataFromServer(Socket socket, Byte[] data, UInt32 length)
{
if (length == 0)
{
String rest = serverLineParser.Flush();
if (printTraffic)
{
if (rest != null)
{
Console.WriteLine("[SERVER {0}] {1}", id, rest);
}
}
if (printTraffic)
{
Console.WriteLine("[SERVER {0}] [Closed]", id);
}
if (clientSocket.Connected)
{
clientSocket.Shutdown(SocketShutdown.Both);
}
return(null);
}
clientSocket.Send(data, 0, (Int32)length, SocketFlags.None);
serverLineParser.Add(data, 0, length);
String line;
while (true)
{
line = serverLineParser.GetLine();
if (line == null)
{
break;
}
if (printTraffic)
{
Console.WriteLine("[SERVER {0}] {1}", id, line);
}
//
// Check for encrypted map
//
if (serverParseState > ServerParseState.Idle)
{
if (serverParseState == ServerParseState.BlankLine)
{
if (line.Length <= 0)
{
serverParseState++;
}
}
else if (serverParseState == ServerParseState.Owner)
{
serverParseState++;
}
else if (serverParseState == ServerParseState.Map)
{
HouseViewerForm.HandleEncryptedMap(nextMapEncryptionKey, Convert.FromBase64String(line));
nextMapEncryptionKey = null;
serverParseState = ServerParseState.Idle;
}
else
{
throw new InvalidOperationException(String.Format("Invalid server parse state '{0}'", serverParseState));
}
}
}
return(DataFromServer);
}