public ASyncClient(Socket socket)
{
state = new ConnectionState(socket);
zoneClient = new ZoneClient();
zoneClient.UserIPAddress = ((IPEndPoint)state.socket.RemoteEndPoint).Address;
zoneClient.packetsToBeSent.CollectionChanged += (sender, eventArgs) =>
{
if (!zoneClient.IsProcessingOrSendingPackets)
{
ASyncClient.SendPackets(this);
}
};
}
public void AcceptCallback(IAsyncResult ar)
{
waitForNewConnection.Set();
// Get the socket that handles the client request.
Socket listener = (Socket)ar.AsyncState;
Socket handler = listener.EndAccept(ar);
var client = new ASyncClient(handler);
int port = ((IPEndPoint)handler.LocalEndPoint).Port;
if (port >= Zone.LOBBY_PORT)
{
client.zoneClient.Lobby = Zone.GetZoneLobby(port);
}
Log.Inform("ASyncServer", "New connection setup. Waiting for client first message.");
handler.BeginReceive(client.state.buffer, 0, client.state.buffer.Length, 0, new AsyncCallback(ReadCallback), client);
}
public void ProcessRequest(byte[] receivedData)
{
try
{
lock (zoneClient.packetsToBeSent)
{
zoneClient.IsProcessingOrSendingPackets = true;
zoneClient.packetsToBeSent.AddRange(
Zone.Process(zoneClient, receivedData));
}
}
catch (Protocol.Packet.ZonePacket.NotEnoughBytesException ex)
{
zoneClient.IsProcessingOrSendingPackets = false;
throw ex;
}
ASyncClient.SendPackets(this);
}
public static void SendPackets(ASyncClient client)
{
client.zoneClient.IsProcessingOrSendingPackets = true;
if (client.zoneClient.packetsToBeSent.Count == 0)
{
client.zoneClient.IsProcessingOrSendingPackets = false;
return;
}
MemoryStream memoryStream;
lock (client.zoneClient.packetsToBeSent)
{
memoryStream =
client.zoneClient.packetsToBeSent.Aggregate(
new MemoryStream(),
(ms, packet) =>
{
var packetBytes = packet.GetBytes(client.zoneClient.SecureKey);
ms.Write(packetBytes, 0, packetBytes.Length);
return(ms);
});
client.zoneClient.packetsToBeSent.Clear();
}
try
{
client.state.socket.BeginSend(
memoryStream.ToArray(), 0, memoryStream.ToArray().Length, SocketFlags.None,
new AsyncCallback(SendPacketsCallback), client);
}
catch (SocketException ex)
{
Log.Debug("ASyncClient", "Client closed socket.");
Zone.ClientWentOffline(client);
}
client.zoneClient.IsProcessingOrSendingPackets = false;
}
