private void AcceptConnectCallback(IAsyncResult ar)
{
Listener = (Socket)ar.AsyncState;
//acknowledge the connection
Socket incomingSocket = null;
try
{
incomingSocket = Listener.EndAccept(ar);
}
catch
{
ReportError?.Invoke("EndAccept failed on incoming connection", "");
}
//put the listener back to listening
Listener.BeginAccept(new AsyncCallback(AcceptConnectCallback), Listener);
if (incomingSocket == null)
{
return;
}
IPEndPoint ep = (IPEndPoint)incomingSocket.RemoteEndPoint;
TConnection C = new TConnection();
C.Setup(incomingSocket, ep.Address, ep.Port, ConnectionBufSize);
if (AllConnections.ContainsKey(C.Address) == false)
{
AllConnections.Add(C.Address, C);
AllConnectionsList.Add(C);
}
//Signal that a new connection has been created
NewConnection?.Invoke(C);
//configure the socket to receive incoming data and arm the data reception event
try
{
C.ConnectionSocket.BeginReceive(C.IncomingData, 0, C.IncomingData.Length, 0, new AsyncCallback(ReadCallback), C.Address);
}
catch
{
ReportError?.Invoke("BeginReceive failed on new connection", C.Address);
}
}
/// <summary>
/// Disconnect a client and remove it form the client list
/// </summary>
/// <param name="name">Client name</param>
public void RemoveConnection(string name)
{
if (!AllConnections.ContainsKey(name))
{
return;
}
TConnection Conn = AllConnections[name];
AllConnectionsList.Remove(Conn);
Conn.IncomingData = null;
Conn.OutgoingData = null;
AllConnections.Remove(name);
}
private void CleanupConnections(object sender)
{
for (int i = 0; i < AllConnectionsList.Count; i++)
{
var C = AllConnectionsList[i];
if (C.ConnStats.HasTimedOut)
{
if (C.ConnectionSocket.Connected)
{
C.ConnectionSocket.Disconnect(false);
}
AllConnectionsList.Remove(C);
AllConnections.Remove(C.Address);
}
}
}
private void ClearAllConnections()
{
AllConnections.Clear();
AllConnectionsList.Clear();
}
