true
/// <summary> /// Creates a new <see cref="ClientConnection"/> instance. /// </summary> /// <param name="parent">Parent data publisher.</param> /// <param name="clientID">Client ID of associated connection.</param> /// <param name="commandChannel"><see cref="TcpServer"/> command channel used to lookup connection information.</param> public ClientConnection(DataPublisher parent, Guid clientID, IServer commandChannel) { m_parent = parent; m_clientID = clientID; m_commandChannel = commandChannel; m_subscriberID = clientID; m_keyIVs = null; m_cipherIndex = 0; // Setup ping timer m_pingTimer = Common.TimerScheduler.CreateTimer(5000); m_pingTimer.AutoReset = true; m_pingTimer.Elapsed += m_pingTimer_Elapsed; m_pingTimer.Start(); // Setup reconnect timer m_reconnectTimer = Common.TimerScheduler.CreateTimer(1000); m_reconnectTimer.AutoReset = false; m_reconnectTimer.Elapsed += m_reconnectTimer_Elapsed; // Attempt to lookup remote connection identification for logging purposes try { Socket commandChannelSocket = GetCommandChannelSocket(); IPEndPoint remoteEndPoint = null; if ((object)commandChannel != null) remoteEndPoint = commandChannelSocket.RemoteEndPoint as IPEndPoint; if ((object)remoteEndPoint != null) { m_ipAddress = remoteEndPoint.Address; if (remoteEndPoint.AddressFamily == AddressFamily.InterNetworkV6) m_connectionID = "[" + m_ipAddress + "]:" + remoteEndPoint.Port; else m_connectionID = m_ipAddress + ":" + remoteEndPoint.Port; try { IPHostEntry ipHost = Dns.GetHostEntry(remoteEndPoint.Address); if (!string.IsNullOrWhiteSpace(ipHost.HostName)) { m_hostName = ipHost.HostName; m_connectionID = m_hostName + " (" + m_connectionID + ")"; } } // Just ignoring possible DNS lookup failures... catch (ArgumentNullException) { // The hostNameOrAddress parameter is null. } catch (ArgumentOutOfRangeException) { // The length of hostNameOrAddress parameter is greater than 255 characters. } catch (ArgumentException) { // The hostNameOrAddress parameter is an invalid IP address. } catch (SocketException) { // An error was encountered when resolving the hostNameOrAddress parameter. } } } catch { // At worst we'll just use the client GUID for identification m_connectionID = m_subscriberID == Guid.Empty ? clientID.ToString() : m_subscriberID.ToString(); } if (string.IsNullOrWhiteSpace(m_connectionID)) m_connectionID = "unavailable"; if (string.IsNullOrWhiteSpace(m_hostName)) { if ((object)m_ipAddress != null) m_hostName = m_ipAddress.ToString(); else m_hostName = m_connectionID; } if ((object)m_ipAddress == null) m_ipAddress = IPAddress.None; }