public User AddNewClient(TcpClientWrapper client)
{
User newUser = new User(client, false);
TcpClientUsers.Add(client, newUser);
UserBuffers.Add(newUser, new byte[0]);
client.DataRead += new TcpClientWrapper.DataReadDelegate(client_DataRead);
client.Disconnected += new TcpClientWrapper.DisconnectedDelegate(client_Disconnected);
client.AsyncRead(Config.ReadBufferSize, true);
return newUser;
}
/// <summary>
/// An event that fires when a socket receives data. Data is stored in a buffer until a complete packet can be extracted.
/// </summary>
/// <param name="sender">Socket that send the data</param>
/// <param name="data">Payload</param>
protected void client_DataRead(TcpClientWrapper sender, ref byte[] data)
{
ServerStats.bytesRecv += data.Length;
if (!TcpClientUsers.ContainsKey(sender))
return;
User user = TcpClientUsers[sender];
PacketReader packet;
user.RecvBufferer.AppendData(ref data);
while ((packet = user.RecvBufferer.GetNextPacket()) != null)
HandlePacket(user, packet);
}
public User(TcpClientWrapper clientSocket, bool isConsole)
{
socket = clientSocket;
_isConsole = isConsole;
packet = new Packet();
packet.skipHeaders = isConsole;
packet.DataSent += new Packet.SendDataDelegate(packet_SendData);
bufferer = new PacketBufferer(SendDataFinal, null, Config.SendBufferInterval);
Flags = UserFlags.Normal;
}
public void AcceptTcpClientCallback(IAsyncResult ar)
{
TcpListenerWrapper listener = (TcpListenerWrapper)ar.AsyncState;
TcpClientWrapper client = new TcpClientWrapper(_clientSendBacklog, listener.EndAcceptTcpClient(ar));
System.Threading.ThreadPool.QueueUserWorkItem(delegate
{
listener.OnClientConnected(client);
});
listener.StartListening();
}
protected void SetupSocket()
{
socket = new TcpClientWrapper(20);
socket.ConnectionEstablished += new TcpClientWrapper.ConnectionEstablishedDelegate(socket_ConnectionEstablished);
socket.ConnectionRefused += new TcpClientWrapper.ConnectionRefusedDelegate(socket_ConnectionRefused);
socket.Disconnected += new TcpClientWrapper.DisconnectedDelegate(socket_Disconnected);
socket.DataRead += new TcpClientWrapper.DataReadDelegate(socket_DataRead);
packet = new Packet();
packet.DataSent += new Packet.SendDataDelegate(packet_DataSent);
bufferer = new PacketBufferer(SendDataFinal, null, 100);
}
public User(TcpClientWrapper clientSocket, bool isConsole)
{
socket = clientSocket;
_isConsole = isConsole;
packet = new Packet();
packet.skipHeaders = isConsole;
packet.DataSent += new Packet.SendDataDelegate(packet_SendData);
PacketSendBufferer.AddSendHandler(this, SendDataFinal);
recvBufferer = new PacketBuffer();
Flags = UserFlags.Normal;
}
/// <summary>
/// An event that fires when a socket has disconnected. DO NOT CALL Shutdown()
/// </summary>
/// <param name="sender">The socket the disconnected</param>
protected void client_Disconnected(TcpClientWrapper sender)
{
//does this need thread locking?
if (!TcpClientUsers.ContainsKey(sender))
return;
User user = TcpClientUsers[sender];
TcpClientUsers.Remove(sender);
DisconnectUser(user);
Users.Remove(user);
user.Dispose();
user = null;
}
protected void client_Disconnected(TcpClientWrapper sender)
{
lock (_locker)
{
if (!TcpClientUsers.ContainsKey(sender))
return;
User user = TcpClientUsers[sender];
if (UserDisconnected != null)
UserDisconnected(user);
TcpClientUsers.Remove(sender);
UserBuffers.Remove(user);
user.Dispose();
user = null;
}
}
protected void socket_DataRead(TcpClientWrapper sender, byte[] data)
{
int oldLen = packetBuffer.Length;
Array.Resize(ref packetBuffer, oldLen + data.Length);
Array.Copy(data, 0, packetBuffer, oldLen, data.Length);
//check to see if whole packet is available
byte[] completePacket;
while ((completePacket = PacketBuffer.GetNextPacket(ref packetBuffer)) != null)
{
this.Dispatcher.Invoke(new Action(delegate
{
HandlePacket(new PacketReader(completePacket));
}), null);
}
}
/// <summary>
/// An event that fires when a socket connects.
/// </summary>
/// <param name="client"></param>
protected void listener_OnClientConnected(TcpClientWrapper client)
{
ServerStats.totalConnections++;
string IP = EndpointToIP(client.Client.RemoteEndPoint);
if (CheckFloodingConnection(IP))
{
client.Client.Shutdown(System.Net.Sockets.SocketShutdown.Both);
return;
}
IncrementFloodingConnection(IP);
//checks done, create a User object
User newUser = new User(client, false);
TcpClientUsers.Add(client, newUser);
client.DataRead += new TcpClientWrapper.DataReadDelegate(client_DataRead);
client.Disconnected += new TcpClientWrapper.DisconnectedDelegate(client_Disconnected);
client.AsyncRead(Config.Network.ReadBufferSize, true);
Users.Add(newUser);
}
protected void client_DataRead(TcpClientWrapper sender, byte[] data)
{
ServerStats.bytesRecv += data.Length;
lock (_locker)
{
if (!TcpClientUsers.ContainsKey(sender))
return;
User user = TcpClientUsers[sender];
byte[] buffer = UserBuffers[user];
int oldLen = buffer.Length;
Array.Resize(ref buffer, oldLen + data.Length);
Array.Copy(data, 0, buffer, oldLen, data.Length);
//check to see if whole packet is available
byte[] completePacket;
while ((completePacket = PacketBuffer.GetNextPacket(ref buffer)) != null)
{
UserPacketReceived(user, new PacketReader(completePacket));
}
UserBuffers[user] = buffer;
}
}
private void button1_Click(object sender, RoutedEventArgs e)
{
lock (sockets)
{
for (int i = 0; i < 10; i++)
{
TcpClientWrapper sock = new TcpClientWrapper(20);
sock.ConnectionEstablished += new TcpClientWrapper.ConnectionEstablishedDelegate(sock_ConnectionEstablished);
sock.DataRead += new TcpClientWrapper.DataReadDelegate(sock_DataRead);
Packet pack = new Packet();
pack.DataSent += new Packet.SendDataDelegate(pack_DataSent);
PacketBufferer bufferer = new PacketBufferer(SendDataFinal, sock, 100);
sockets.Add(pack, sock);
packets.Add(sock, pack);
buffers.Add(sock, bufferer);
sock.AsyncConnect("127.0.0.1", 4800);
}
}
}
void sock_ConnectionEstablished(TcpClientWrapper sender)
{
packets[sender].Clear()
.InsertStringNT("Lynxy" + rnd.Next(10000, 99999).ToString())
.InsertStringNT("pass2")
.InsertStringNT("LynxVN")
.InsertByte(0)
.Send(0x01);
packets[sender].Clear().InsertStringNT("/join spam").Send(0x03);
}
protected void socket_ConnectionEstablished(TcpClientWrapper sender)
{
AddChat(ChatColors.ConnectionGood, "Connection accepted. Sending login information.");
socket.AsyncRead(1024, true);
SendLogonPacket();
}
void sock_DataRead(TcpClientWrapper sender, byte[] data)
{
}
protected void listener_OnClientConnected(TcpClientWrapper client)
{
ServerStats.totalConnections++;
Users.Add(clients.AddNewClient(client));
}
protected void socket_ConnectionRefused(TcpClientWrapper sender)
{
AddChat(ChatColors.ConnectionBad, "The connection was refused.");
}
private void Dispose(bool disposing)
{
if (!this.disposed)
{
if (disposing)
{
socket = null;
packet = null;
bufferer = null;
Channel = null;
}
disposed = true;
}
}
protected void socket_Disconnected(TcpClientWrapper sender)
{
AddChat(ChatColors.ConnectionBad, "Disconnected from server.");
}
private void Dispose(bool disposing)
{
if (!this.disposed)
{
if (disposing)
{
socket.Client.Dispose();
socket = null;
packet = null;
PacketSendBufferer.RemoveSendHandler(this);
recvBufferer = null;
Channel = null;
}
disposed = true;
}
}
