private void GetNewClients()
{
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
float previousFrame = 0;
while (!exit)
{
float currentTime = stopwatch.ElapsedTicks / (float)Stopwatch.Frequency;
float deltaTime = currentTime - previousFrame;
previousFrame = currentTime;
if (listener.Pending())
{
Client client = new CustomDataClient <ClientData>(new ClientData(), listener.AcceptTcpClient());
Console.WriteLine("new client connected from ip: " + client.ip);
unregisteredClients.Add(client);
client.onPacketReceived += HandleClientRegistration;
}
var pendingClients = unregisteredClients.ToArray();
for (int i = 0; i < pendingClients.Length; i++)
{
Client client = pendingClients[i];
client.UpdateAll(deltaTime);
if (!client.connected || client.timedout)
{
unregisteredClients.Remove(client);
DisconnectClient(client, "Client timed out or was externally disconnected");
}
}
if (relax)
{
Thread.Sleep(100);
}
}
}
private PacketAction HandleClientRegistration(Client baseClient, Packet packet)
{
CustomDataClient <ClientData> client = baseClient as CustomDataClient <ClientData>;
Protocol protocol = packet.Read <Protocol>();
if (protocol == null)
{
return(PacketAction.irrelevant);
}
if (protocol is Connection)
{
Connection connection = protocol as Connection;
if (credentials.ContainsKey(connection.Username))
{
if (credentials[connection.Username] != connection.PassHash)
{
client.Write(new Login(0, "wrong password"));
return(PacketAction.resolved);
}
}
else
{
client.Write(new Login(0, "unknown user"));
return(PacketAction.resolved);
}
ClientData data = client.data;
data.id = GetId(connection.Username);
data.username = connection.Username;
client.data = data;
if (clients.ContainsKey(client.data.id))
{
client.Write(new Login(0, "Account already logged in."));
return(PacketAction.resolved);
}
}
else if (protocol is Registration)
{
Registration registration = protocol as Registration;
if (credentials.ContainsKey(registration.Username))
{
client.Write(new Login(0, "Username already taken."));
return(PacketAction.resolved);
}
credentials.Add(registration.Username, registration.PassHash);
ClientData data = client.data;
data.id = GetId(registration.Username);
data.username = registration.Username;
client.data = data;
}
else
{
return(PacketAction.irrelevant);
}
client.Write(new Login(client.data.id));
Console.WriteLine("Registered new connection with client: " + client.data.id);
client.onPacketReceived += HandleClientPacket;
client.onConnectionTimeout += HandleClientTimeout;
client.onDisconnect += HandleExternalDisconnect;
clientListMutex.WaitOne();
clients.Add(client.data.id, client);
clientListMutex.ReleaseMutex();
client.onPacketReceived -= HandleClientRegistration;
unregisteredClients.Remove(client);
onClientConnect?.Invoke(client);
return(PacketAction.resolved);
}
private PacketAction HandleClientRegistration(Client baseClient, Packet packet)
{
CustomDataClient <ClientData> client = baseClient as CustomDataClient <ClientData>;
Connection connection = packet.Read <Connection>();
if (connection == null)
{
return(PacketAction.irrelevant);
}
if (credentials.ContainsKey(connection.Username))
{
if (credentials[connection.Username] != connection.PassHash)
{
client.Write(new Registration(0, "wrong password"));
return(PacketAction.resolved);
}
}
else
{
credentials.Add(connection.Username, connection.PassHash);
}
ClientData data = client.data;
data.id = GetId(connection.Username);
client.data = data;
if (clients.ContainsKey(client.data.id))
{
DisconnectClient(client, "Account already logged in.");
}
else
{
client.Write(new Registration(client.data.id));
List <ClientData> clientData = new List <ClientData>();
foreach (var otherClient in clients.Values)
{
clientData.Add(otherClient);
}
client.Write(new UserList(clientData));
Console.WriteLine("Registered new connection with client: " + client.data.id);
client.onPacketReceived += HandleClientPacket;
client.onConnectionTimeout += HandleClientTimeout;
client.onDisconnect += HandleExternalDisconnect;
clientListMutex.WaitOne();
clients.Add(client.data.id, client);
clientListMutex.ReleaseMutex();
}
client.onPacketReceived -= HandleClientRegistration;
unregisteredClients.Remove(client);
return(PacketAction.resolved);
}
