コード例 #1
0
        /// <summary>
        /// Returns a channel message sink that delivers messages to the specified URL or channel data object.
        /// </summary>
        /// <param name="url">The URL to which the new sink will deliver messages. Can be null.</param>
        /// <param name="remoteChannelData">The channel data object of the remote host to which the new sink will deliver messages. Can be null.</param>
        /// <param name="objectURI">When this method returns, contains a URI of the new channel message sink that delivers messages to the specified URL or channel data object. This parameter is passed uninitialized.</param>
        /// <returns>
        /// A channel message sink that delivers messages to the specified URL or channel data object, or null if the channel cannot connect to the given endpoint.
        /// </returns>
        /// <exception cref="T:System.Security.SecurityException">The immediate caller does not have infrastructure permission. </exception>
        public IMessageSink CreateMessageSink(string url, object remoteChannelData, out string objectURI)
        {
            objectURI = null;

            if (url == null)
            {
                TcpExChannelData channelData = remoteChannelData as TcpExChannelData;
                if (channelData != null)
                {
                    url = Manager.CreateUrl(channelData.ChannelID);
                }
                else
                {
                    return(null);
                }
            }
            if (Manager.Parse(url, out objectURI) != null)
            {
                IClientChannelSink clientChannelSink = clientSinkProvider.CreateSink(this, url, remoteChannelData);
                IMessageSink       messageSink       = clientChannelSink as IMessageSink;

                if (clientChannelSink != null && messageSink == null)
                {
                    throw new RemotingException(LanguageResource.RemotingException_MessageSinkNotSet);
                }

                return(messageSink);
            }
            else
            {
                return(null);
            }
        }
コード例 #2
0
        /// <summary>
        /// Receives channel data.
        /// </summary>
        /// <returns>True, if receiving was successfully, otherwise false</returns>
        private bool ReceiveChannelInfo()
        {
            var stream = Stream;

            if (stream != null)
            {
                BinaryFormatter formatter = new BinaryFormatter();
                _remoteChannelData = (TcpExChannelData)formatter.Deserialize(stream);

                Trace.WriteLine("TcpEx.Connection received remote ChannelInfo, ChannelID: {0}", _remoteChannelData.ChannelID);
                return(true);
            }

            return(false);
        }
コード例 #3
0
        /// <summary>
        /// Instructs the current channel to start listening for requests.
        /// </summary>
        /// <param name="data">Optional initialization information.</param>
        /// <exception cref="T:System.Security.SecurityException">The immediate caller does not have infrastructure permission. </exception>
        public void StartListening(object data)
        {
            if (this.port != 0)
            {
                throw new InvalidOperationException("Channel is already listening.  TcpEx currently only allows listening on one port.");
            }

            if (data is int)
            {
                this.port   = Manager.StartListening((int)data, this, _bindToAddress);
                channelData = new TcpExChannelData(this);

                foreach (string url in Manager.GetAddresses(this.port, Guid.Empty))
                {
                    Manager.BeginReadMessage(url, null, new AsyncCallback(messageSink.ReceiveMessage), url);
                }
            }
        }
コード例 #4
0
        private void Initialise(TypeFilterLevel typeFilterLevel, IClientChannelSinkProvider clientSinkProvider, IServerChannelSinkProvider serverSinkProvider, int port, bool listen, bool keepAlive, ulong keepAliveTime, ulong KeepAliveInterval, short maxRetries, int retryDelay, IPAddress bindToAddress)
        {
            _tcpKeepAliveEnabled  = keepAlive;
            _tcpKeepAliveTime     = keepAliveTime;
            _tcpKeepAliveInterval = KeepAliveInterval;
            _maxRetries           = maxRetries;
            _retryDelay           = retryDelay;
            _bindToAddress        = bindToAddress;

            if (clientSinkProvider == null)
            {
                clientSinkProvider = new BinaryClientFormatterSinkProvider();
            }
            if (serverSinkProvider == null)
            {
                Trace.WriteLine("Setting serialization filter: {0}", typeFilterLevel);
                BinaryServerFormatterSinkProvider tempProvider = new BinaryServerFormatterSinkProvider();
                tempProvider.TypeFilterLevel = typeFilterLevel;
                serverSinkProvider           = tempProvider;
            }

            // Initialise clientSinkProvider
            this.clientSinkProvider = clientSinkProvider;
            while (clientSinkProvider.Next != null)
            {
                clientSinkProvider = clientSinkProvider.Next;
            }
            clientSinkProvider.Next = new ClientTransportSinkProvider();

            messageSink = new ServerTransportSink(ChannelServices.CreateServerChannelSinkChain(serverSinkProvider, this));
            serverSinkProvider.GetChannelData(channelData);

            if (listen)
            {
                StartListening(port);
            }

            channelData = new TcpExChannelData(this);

            Manager.BeginReadMessage(_channelID, null, new AsyncCallback(messageSink.ReceiveMessage), _channelID);
        }
コード例 #5
0
ファイル: TcpExChannel.cs プロジェクト: yallie/zyan
        private void Initialise(TypeFilterLevel typeFilterLevel, IClientChannelSinkProvider clientSinkProvider, IServerChannelSinkProvider serverSinkProvider, int port, bool listen, bool keepAlive, ulong keepAliveTime, ulong KeepAliveInterval, short maxRetries, int retryDelay, IPAddress bindToAddress)
        {
            _tcpKeepAliveEnabled = keepAlive;
            _tcpKeepAliveTime = keepAliveTime;
            _tcpKeepAliveInterval = KeepAliveInterval;
            _maxRetries = maxRetries;
            _retryDelay = retryDelay;
            _bindToAddress = bindToAddress;

            if (clientSinkProvider == null)
                clientSinkProvider = new BinaryClientFormatterSinkProvider();
            if (serverSinkProvider == null)
            {
                Trace.WriteLine("Setting serialization filter: {0}", typeFilterLevel);
                BinaryServerFormatterSinkProvider tempProvider = new BinaryServerFormatterSinkProvider();
                tempProvider.TypeFilterLevel = typeFilterLevel;
                serverSinkProvider = tempProvider;
            }

            // Initialise clientSinkProvider
            this.clientSinkProvider = clientSinkProvider;
            while (clientSinkProvider.Next != null)
                clientSinkProvider = clientSinkProvider.Next;
            clientSinkProvider.Next = new ClientTransportSinkProvider();

            messageSink = new ServerTransportSink(ChannelServices.CreateServerChannelSinkChain(serverSinkProvider, this));
            serverSinkProvider.GetChannelData(channelData);

            if (listen)
            {
                StartListening(port);
            }

            channelData = new TcpExChannelData(this);

            Manager.BeginReadMessage(_channelID, null, new AsyncCallback(messageSink.ReceiveMessage), _channelID);
        }
コード例 #6
0
ファイル: TcpExChannel.cs プロジェクト: yallie/zyan
        /// <summary>
        /// Instructs the current channel to start listening for requests.
        /// </summary>
        /// <param name="data">Optional initialization information.</param>
        /// <exception cref="T:System.Security.SecurityException">The immediate caller does not have infrastructure permission. </exception>
        public void StartListening(object data)
        {
            if (port != 0)
                throw new InvalidOperationException("Channel is already listening. TcpEx currently only allows listening on one port.");

            if (data is int)
            {
                port = (int)data;
                channelData = new TcpExChannelData(this);
                ListenerSocket = Manager.StartListening(port, this, _bindToAddress);
                ListenerAddresses = Manager.GetAddresses(port, Guid.Empty, true);

                foreach (string url in ListenerAddresses)
                {
                    Manager.BeginReadMessage(url, null, new AsyncCallback(messageSink.ReceiveMessage), url);
                }
            }
        }
コード例 #7
0
ファイル: Connection.cs プロジェクト: yallie/zyan
        /// <summary>
        /// Receives channel data.
        /// </summary>
        /// <returns>True, if receiving was successfully, otherwise false</returns>
        private bool ReceiveChannelInfo()
        {
            Stream stream = this.Stream;

            if (stream != null)
            {
                BinaryFormatter formatter = new BinaryFormatter();
                _remoteChannelData = (TcpExChannelData)formatter.Deserialize(stream);

                Trace.WriteLine("TcpEx.Connection received remote ChannelInfo, ChannelID: {0}", _remoteChannelData.ChannelID);

                return true;
            }
            return false;
        }
コード例 #8
0
ファイル: Connection.cs プロジェクト: yallie/zyan
        /// <summary>
        /// Closes the connection.
        /// </summary>
        public void Close()
        {
            lock (_connectionsLockObject)
            {
                List<string> toBeDeleted = (from pair in _connections
                                            where pair.Value == this
                                            select pair.Key).ToList();

                foreach (string key in toBeDeleted)
                {
                    _connections.Remove(key);
                }
            }
            LockRead();
            LockWrite();

            _socketRemoteAddress = null;
            _socketRemotePort = 0;

            if (_reader != null)
            {
                try
                {
                    _reader.Close();
                }
                catch (ObjectDisposedException)
                {
                }
                finally
                {
                    _reader = null;
                }
            }
            if (_writer != null)
            {
                try
                {
                    _writer.Close();
                }
                catch (ObjectDisposedException)
                {
                }
                finally
                {
                    _writer = null;
                }
            }
            if (_stream != null)
            {
                try
                {
                    _stream.Close();
                }
                catch (ObjectDisposedException)
                {
                }
                finally
                {
                    _stream = null;
                }
            }
            if (_socket != null)
            {
                try
                {
                    _socket.Close();
                }
                catch (ObjectDisposedException)
                {
                }
                finally
                {
                    _socket = null;
                }
            }
            if (_channel != null)
                _channel = null;

            if (_remoteChannelData != null)
                _remoteChannelData = null;

            ReleaseRead();
            ReleaseWrite();

            _isClosed = true;
        }
コード例 #9
0
        /// <summary>
        /// Closes the connection.
        /// </summary>
        public void Close()
        {
            lock (_connectionsLockObject)
            {
                var toBeDeleted =
                    from pair in _connections
                    where pair.Value == this
                    select pair.Key;

                foreach (string key in toBeDeleted.ToList())
                {
                    _connections.Remove(key);
                }
            }

            LockRead();
            LockWrite();

            _socketRemoteAddress = null;
            _socketRemotePort    = 0;

            if (_reader != null)
            {
                try
                {
                    _reader.Close();
                }
                catch (ObjectDisposedException)
                {
                }
                finally
                {
                    _reader = null;
                }
            }

            if (_writer != null)
            {
                try
                {
                    _writer.Close();
                }
                catch (ObjectDisposedException)
                {
                }
                finally
                {
                    _writer = null;
                }
            }

            if (_stream != null)
            {
                try
                {
                    _stream.Close();
                }
                catch (ObjectDisposedException)
                {
                }
                finally
                {
                    _stream = null;
                }
            }

            if (_socket != null)
            {
                try
                {
                    _socket.Shutdown(SocketShutdown.Both);
                    _socket.Close();
                }
                catch (SocketException)
                {
                }
                catch (ObjectDisposedException)
                {
                }
                finally
                {
                    _socket = null;
                }
            }

            if (_channel != null)
            {
                _channel = null;
            }

            if (_remoteChannelData != null)
            {
                _remoteChannelData = null;
            }

            ReleaseRead();
            ReleaseWrite();

            _isClosed = true;
        }