Пример #1
0
 /// <SUMMARY>
 /// Gets executed when the server detects incoming data.
 /// This method is called only if OnAcceptConnection has already finished.
 /// </SUMMARY>
 public abstract void OnReceiveData(ConnectionState state);
Пример #2
0
 /// <SUMMARY>
 /// Gets executed when the server needs to shutdown the connection.
 /// </SUMMARY>
 public abstract void OnDropConnection(ConnectionState state);
Пример #3
0
        /// <SUMMARY>
        /// Callback function: A new connection is waiting.
        /// </SUMMARY>
        private void ConnectionReady_Handler(IAsyncResult ar)
        {
            lock (this)
            {
                if (mListener == null)
                {
                    return;
                }

                Socket conn = mListener.EndAccept(ar);
                if (mConnections.Count >= mMaxConnections)
                {
                    //Max number of connections reached.
                    string msg = "SE001: Server busy";
                    conn.Send(Encoding.UTF8.GetBytes(msg), 0, msg.Length, SocketFlags.None);
                    conn.Shutdown(SocketShutdown.Both);
                    conn.Close();
                }
                else
                {
                    //Start servicing a new connection
                    ConnectionState st = new ConnectionState();
                    st._conn = conn;
                    st._server = this;
                    st._provider = (TcpServiceProvider)mProvider.Clone();
                    st._buffer = new byte[4];
                    mConnections.Add(st);
                    //Queue the rest of the job to be executed latter
                    ThreadPool.QueueUserWorkItem(AcceptConnection, st);
                }
                //Resume the listening callback loop
                mListener.BeginAccept(ConnectionReady, null);
            }
        }
Пример #4
0
 /// <SUMMARY>
 /// Gets executed when the server accepts a new connection.
 /// </SUMMARY>
 public abstract void OnAcceptConnection(ConnectionState state);
Пример #5
0
        /// <SUMMARY>
        /// Removes a connection from the list
        /// </SUMMARY>
        internal void DropConnection(ConnectionState st)
        {
            lock (this)
            {
                if (mConnections.Contains(st))
                {
                    mConnections.Remove(st);
                }

                st._provider.OnDropConnection(st);
                try
                {
                    st._conn.Shutdown(SocketShutdown.Both);
                    st._conn.Close();
                }
                catch (System.Exception e)
                {
                    //Ignore object disposed exceptions
                    if (!(e is ObjectDisposedException))
                    {
                        Program.Logger.LogMessage(ProsthesisCore.Utility.Logger.LoggerChannels.Network,
                            string.Format("Caught un-expected network exception: {0}", e));
                    }
                }
            }
        }