Exemplo n.º 1
0
        /// <summary>
        /// Creates a new instance of the ZyanConnection class.
        /// </summary>
        /// <param name="serverUrl">URL of remote server (e.G. "tcp://server1:46123/myapp").</param>
        /// <param name="protocolSetup">Protocol and communication settings.</param>
        /// <param name="credentials">Login credentials.</param>
        /// <param name="autoLoginOnExpiredSession">Specifies whether the proxy should relogin automatically when the session expired.</param>
        /// <param name="keepSessionAlive">Specifies whether the session should be automaticly kept alive.</param>
        public ZyanConnection(string serverUrl, IClientProtocolSetup protocolSetup, AuthCredentials credentials, bool autoLoginOnExpiredSession, bool keepSessionAlive)
        {
            if (string.IsNullOrEmpty(serverUrl))
            {
                throw new ArgumentException(LanguageResource.ArgumentException_ServerUrlMissing, "serverUrl");
            }

            if (protocolSetup == null)
            {
                // try to select the protocol automatically
                protocolSetup = ClientProtocolSetup.GetClientProtocol(serverUrl);
                if (protocolSetup == null)
                {
                    throw new ArgumentNullException("protocolSetup");
                }
            }

            if (!protocolSetup.IsUrlValid(serverUrl))
            {
                throw new ArgumentException(LanguageResource.ArgumentException_ServerUrlIsInvalid, "serverUrl");
            }

            _proxies                   = new List <WeakReference>();
            _protocolSetup             = protocolSetup;
            _sessionID                 = Guid.NewGuid();
            _serverUrl                 = serverUrl;
            _autoLoginOnExpiredSession = autoLoginOnExpiredSession;
            _keepSessionAlive          = keepSessionAlive;

            if (_autoLoginOnExpiredSession)
            {
                _autoLoginCredentials = credentials;
            }

            _serializationHandling  = new SerializationHandlerRepository();
            CallInterceptionEnabled = false;
            _callInterceptors       = new CallInterceptorCollection();
            RegisterStandardSerializationHandlers();
            string[] addressParts = _serverUrl.Split('/');
            _componentHostName = addressParts[addressParts.Length - 1];

            _remotingChannel = _protocolSetup.CreateChannel();
            if (!ZyanSettings.DisableUrlRandomization)
            {
                _remotingChannel = ChannelWrapper.WrapChannel(_remotingChannel, _protocolSetup.ChannelName);
            }

            if (_remotingChannel != null)
            {
                var registeredChannel = ChannelServices.GetChannel(_remotingChannel.ChannelName);

                if (registeredChannel == null)
                {
                    ChannelServices.RegisterChannel(_remotingChannel, false);
                }
                else
                {
                    _remotingChannel = registeredChannel;
                }
            }
            else
            {
                throw new ApplicationException(LanguageResource.ApplicationException_NoChannelCreated);
            }

            var connectionNotification = _remotingChannel as IConnectionNotification;

            if (connectionNotification != null)
            {
                connectionNotification.ConnectionEstablished += Channel_ConnectionEstablished;
            }

            string channelName = _remotingChannel.ChannelName;

            if (credentials == null)
            {
                credentials = new AuthCredentials();
            }

            try
            {
                credentials.Authenticate(_sessionID, RemoteDispatcher);

                _registeredComponents = new List <ComponentInfo>(RemoteDispatcher.GetRegisteredComponents());
                _sessionAgeLimit      = RemoteDispatcher.SessionAgeLimit;
            }
            catch (Exception ex)
            {
                // unregister remoting channel
                var registeredChannel = ChannelServices.GetChannel(channelName);
                if (registeredChannel != null)
                {
                    ChannelServices.UnregisterChannel(registeredChannel);
                }

                // dispose channel if it's disposable
                var disposableChannel = registeredChannel as IDisposable;
                if (disposableChannel != null)
                {
                    disposableChannel.Dispose();
                }

                _remotingChannel  = null;
                _remoteDispatcher = null;
                throw ex.PreserveStackTrace();
            }

            var reconnectEvents  = new Action(ReconnectRemoteEventsCore);
            var debounceInterval = ZyanSettings.ReconnectRemoteEventsDebounceInterval.TotalMilliseconds;

            ReconnectRemoteEvents = reconnectEvents.Debounce((int)debounceInterval);

            StartKeepSessionAliveTimer();
            lock (_connections)
            {
                _connections.Add(this);
            }
        }
Exemplo n.º 2
0
 /// <summary>
 /// Refreshes the list of server-side components.
 /// </summary>
 public void RefreshRegisteredComponents()
 {
     _registeredComponents = new List <ComponentInfo>(RemoteDispatcher.GetRegisteredComponents());
 }