/// <summary>
/// A client has connected
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
private void OnClientConnected(StreamSocketListener sender, StreamSocketListenerConnectionReceivedEventArgs args)
{
if (sender == null)
{
throw new ArgumentNullException("sender");
}
if (args == null)
{
throw new ArgumentNullException("args");
}
Debug.WriteLine("Connection from {0}:{1} to {2}:{3} was established",
args.Socket.Information.RemoteHostName.DisplayName,
args.Socket.Information.RemotePort,
args.Socket.Information.LocalAddress.DisplayName,
args.Socket.Information.LocalPort);
var clientKey = Guid.NewGuid();
ActiveClients.Add(clientKey, args.Socket);
ClientReader(args.Socket);
args.Socket.Dispose();
ActiveClients.Remove(clientKey);
Debug.WriteLine("Connection from {0}:{1} to {2}:{3} was disconnected",
args.Socket.Information.RemoteHostName.DisplayName,
args.Socket.Information.RemotePort,
args.Socket.Information.LocalAddress.DisplayName,
args.Socket.Information.LocalPort);
}
public static void ReleaseClient(int user, int pipe_id)
{
if (ActiveClients.TryGetValue(user, out var c))
{
Server.ReleaseClient(pipe_id, c.Id);
ActiveClients.Remove(user);
}
}
public void RemoveUser(Client client)
{
var c = ActiveClients.FirstOrDefault(x => x.GridID == client.GridID | x.ID == client.ID);
if (c != default(Client))
{
ActiveClients.Remove(c);
}
}
public void Release()
{
Disconnect();
lock (active_client_lock)
{
ActiveClients.Remove(Id);
}
}
public override void RemoveClient(IActiveClient client)
{
lock (ActiveClients)
{
if (ActiveClients.Any(c => c.ClientGuid == client.ClientGuid))
{
ActiveClients.Remove(client);
}
}
}
private void ClientHandler(Object client)
{
TcpClient User = (TcpClient)client;
ActiveClients.Add(User);
//Main Receiver
while (_active)
{
byte[] dataSegment = new byte[Program.BufferSize];
int bytesRead = 0;
byte[] ReceivedData;
try
{
//Blocks until data is received
bytesRead = User.GetStream().Read(dataSegment, 0, Program.BufferSize);
ReceivedData = new byte[bytesRead];
Buffer.BlockCopy(dataSegment, 0, ReceivedData, 0, bytesRead);
}
catch //Socket Error
{
Console.WriteLine($"Client Disconnected (Socket Read Error): {User.Client.RemoteEndPoint}");
break;
}
if (!_active)
{
break;
}
if (bytesRead == 0) //Disconnect
{
Console.WriteLine($"Client Disconnected: {User.Client.RemoteEndPoint}");
break;
}
if (ReceivedDataHandler != null)
{
ReceivedDataHandler(ReceivedData, User);
}
else
{
Console.WriteLine("Data received, but no method has registered to handle it");
}
}
//Close client TCP stream
ActiveClients.Remove(User);
User.Close();
ConnectToServer();
}
private void ClientHandler(Object client)
{
var user = (TcpClient)client;
ActiveClients.Add(user);
//Main Receiver
while (_active)
{
var dataSegment = new byte[Program.BufferSize];
try
{
//Blocks until data is received
var bytesRead = user.GetStream().Read(dataSegment, 0, Program.BufferSize);
if (bytesRead == 0) //Disconnected
{
Console.WriteLine($"Client Disconnected: {user.Client.RemoteEndPoint}");
break;
}
//Resize the dataSegment to the actual packet length
Array.Resize(ref dataSegment, bytesRead);
//Dispatch the incoming packet
if (ReceivedDataHandler != null)
{
ReceivedDataHandler(dataSegment, user);
}
else
{
Console.WriteLine($"Data received, but no method has registered to handle it");
}
}
//Socket Error
catch
{
Console.WriteLine($"Client Disconnected (Socket Read Error): {user.Client.RemoteEndPoint}");
break;
}
if (!_active)
{
break;
}
}
//Close client TCP stream
ActiveClients.Remove(user);
user.Close();
}
protected void ConnectionCheck(object sender, ElapsedEventArgs e)
{
lock (ActiveClients)
{
var checkTime = DateTime.Now;
for (var i = 0; i < ActiveClients.Count; i++)
{
var activeClient = ActiveClients[i];
if (checkTime - activeClient.LastAliveDateTime <= DisconnectInterval)
{
continue;
}
var client = (SocketActiveClient)activeClient;
client.Close();
ActiveClients.Remove(activeClient);
}
}
}
/// <summary>
/// A message was recived
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
private void OnMessageReceived(object sender, MessageReceivedEventArgs args)
{
foreach (var client in ActiveClients.ToList())
{
var results = SendMessage(client.Value, args.Message);
if (results == false)
{
Debug.WriteLine("Connection from {0}:{1} to {2}:{3} was disconnected",
client.Value.Information.RemoteHostName.DisplayName,
client.Value.Information.RemotePort,
client.Value.Information.LocalAddress.DisplayName,
client.Value.Information.LocalPort);
client.Value.Dispose();
ActiveClients.Remove(client.Key);
}
}
}
