private async Task HandleWrongCredentials(string returnMessage, Socket handler, string sender)
{
DisconnectionPackage userTakenPacket = new DisconnectionPackage(sender, returnMessage);
await TrySendObject(userTakenPacket, handler);
handler.Shutdown(SocketShutdown.Both);
handler.Close();
}
public async void AcceptCallback(IAsyncResult ar)
{
Socket handler = null;
if (IsRunning != false)
{
allDone.Set(); //signals main thread to continue
Socket listener = (Socket)ar.AsyncState;
handler = listener.EndAccept(ar); // accepts connection and lets the handler socket deal with communications
}
else
{
allDone.Set();
return;
}
var ConnectionPacket = tryReadObject(handler);
if (ConnectionPacket is ConnectionPackage packet)
{
if (!connectedClients.Keys.Contains(packet.sender))
{
connectedClients[packet.sender] = packet.userId;
Client newClient = new Client()
{
id = packet.userId, Username = packet.sender
};
newClient.socket = handler;
connections.Add(newClient);
await newClient.sendMessage("You have been Connected!");
Task.Run(() => receiveMessagesTask(newClient.socket));
Task.Run(() => UpdateUsersTask(newClient.socket));
}
else
{
DisconnectionPackage userTakenPacket = new DisconnectionPackage(packet.sender, "Username Taken");
await TrySendObject(userTakenPacket, handler);
handler.Shutdown(SocketShutdown.Both);
handler.Close();
}
}
else
{
return;
}
}
public async Task StopServer()
{
if (this.IsRunning == true)
{
this.IsRunning = false;
foreach (var client in connections)
{
DisconnectionPackage stopServerPackage = new DisconnectionPackage(client.Username, "Server has been closed");
await TrySendObject(stopServerPackage, client.socket);
}
connectedClients.Clear();
connections.Clear();
this.socket.Close();
//this.socket = null;
}
}
public void StopServer()
{
if (this.IsRunning == true)
{
this.IsRunning = false;
foreach (var client in connections)
{
lock (client)
{
DisconnectionPackage stopServerPackage = new DisconnectionPackage(client.Username, "Server has been closed");
TrySendObject(stopServerPackage, client.socket);
client.socket.Shutdown(SocketShutdown.Both);
client.socket.Close();
}
}
connectedClients.Clear();
connections.Clear();
this.socket.Close();
//this.socket = null;
}
}
