// Synchroniously communicates with client which is attempting to connect
// first checks the handshake -> if its incorrect, sends out ERROR message and quits the client connection
// second checks if there is room on the server -> if not, sends out ERROR message and disconnects the client
private void AcceptClient(Socket s)
{
ClientHandler handler;
lock (clientLock)
{
long currentNo = counter++;
handler = new ClientHandler(s, currentNo, this, queue);
// Try the handshake
bool success = handler.Handshake();
if (!success)
{
handler.Close();
return;
}
// Check whether we accept players
if (State != ServerState.READY)
{
handler.Send("ERROR The game is already running!");
handler.Close();
return;
}
// Check the player count
if (clients.Count >= maxPlayers)
{
handler.Send("ERROR Server is full");
handler.Close();
return;
}
// Check the player name
if (NameExists(handler.Name))
{
handler.Send("ERROR Name is already in use on the server");
handler.Close();
return;
}
handler.Send("ACK " + currentNo);
SendAll("CONNECTED " + handler.Id + " " + handler.Name);
clients.Add(handler);
handler.Send("CLIST " + GetClients(false));
handler.Send("RLIST " + GetClients(true));
}
// Starts receiving information from the client
handler.Init();
}
// Kicks the client with specified name
public void Kick(string name)
{
ClientHandler target = null;
foreach (ClientHandler ch in clients)
{
if (ch.Name == name)
{
target = ch;
break;
}
}
if (target != null)
{
Console.WriteLine("Player kicked: {0}", name);
target.Send("KICKED");
target.Close();
}
}