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Diffstat (limited to 'qpid/dotnet/client-010/client/transport/network/io/IoTransport.cs')
| -rw-r--r-- | qpid/dotnet/client-010/client/transport/network/io/IoTransport.cs | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/qpid/dotnet/client-010/client/transport/network/io/IoTransport.cs b/qpid/dotnet/client-010/client/transport/network/io/IoTransport.cs new file mode 100644 index 0000000000..483e5428b8 --- /dev/null +++ b/qpid/dotnet/client-010/client/transport/network/io/IoTransport.cs @@ -0,0 +1,141 @@ +/* +* Licensed to the Apache Software Foundation (ASF) under one +* or more contributor license agreements. See the NOTICE file +* distributed with this work for additional information +* regarding copyright ownership. The ASF licenses this file +* to you under the Apache License, Version 2.0 (the +* "License"); you may not use this file except in compliance +* with the License. You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, +* software distributed under the License is distributed on an +* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +* KIND, either express or implied. See the License for the +* specific language governing permissions and limitations +* under the License. +*/ +using System; +using System.IO; +using System.Net.Sockets; +using org.apache.qpid.transport.util; + +namespace org.apache.qpid.transport.network.io +{ + /// <summary> + /// This class provides a socket based transport using sync io classes. + /// + /// The following params are configurable via JVM arguments + /// TCP_NO_DELAY - qpid.tcpNoDelay + /// SO_RCVBUF - qpid.readBufferSize + /// SO_SNDBUF - qpid.writeBufferSize + /// </summary> + public sealed class IoTransport : IIoTransport + { + // constants + private const int DEFAULT_READ_WRITE_BUFFER_SIZE = 64*1024; + private const int TIMEOUT = 60000; + private const int QUEUE_SIZE = 1000; + // props + private static readonly Logger log = Logger.Get(typeof (IoTransport)); + private Stream m_stream; + private IoSender m_sender; + private IReceiver<ReceivedPayload<MemoryStream>> m_receiver; + private TcpClient m_socket; + private Connection m_con; + + public static Connection Connect(String host, int port, ConnectionDelegate conndel) + { + IoTransport transport = new IoTransport(host, port, conndel); + return transport.Connection; + } + + public IoTransport(String host, int port, ConnectionDelegate conndel) + { + CreateSocket(host, port); + Sender = new IoSender(this, QUEUE_SIZE, TIMEOUT); + Receiver = new IoReceiver(Stream, Socket.ReceiveBufferSize * 2, TIMEOUT); + Assembler assembler = new Assembler(); + InputHandler inputHandler = new InputHandler(InputHandler.State.PROTO_HDR); + Connection = new Connection(assembler, new Disassembler(Sender, 64 * 1024 - 1), conndel); + // Input handler listen to Receiver events + Receiver.Received += inputHandler.On_ReceivedBuffer; + // Assembler listen to inputhandler events + inputHandler.ReceivedEvent += assembler.On_ReceivedEvent; + // Connection listen to asembler protocol event + Receiver.Closed += Connection.On_ReceivedClosed; + assembler.Closed += Connection.On_ReceivedClosed; + Receiver.Exception += Connection.On_ReceivedException; + inputHandler.ExceptionProcessing += Connection.On_ReceivedException; + assembler.ReceivedEvent += Connection.On_ReceivedEvent; + } + + public Connection Connection + { + get { return m_con; } + set { m_con = value; } + } + + public IReceiver<ReceivedPayload<MemoryStream>> Receiver + { + get { return m_receiver; } + set { m_receiver = value; } + } + + public IoSender Sender + { + get { return m_sender; } + set { m_sender = value; } + } + + + public Stream Stream + { + get { return m_stream; } + set { m_stream = value; } + } + + public TcpClient Socket + { + get { return m_socket; } + set { m_socket = value; } + } + + #region Private Support Functions + + private void CreateSocket(String host, int port) + { + try + { + TcpClient socket = new TcpClient(); + String noDelay = Environment.GetEnvironmentVariable("qpid.tcpNoDelay"); + String writeBufferSize = Environment.GetEnvironmentVariable("qpid.writeBufferSize"); + String readBufferSize = Environment.GetEnvironmentVariable("qpid.readBufferSize"); + socket.NoDelay = noDelay != null && bool.Parse(noDelay); + socket.ReceiveBufferSize = readBufferSize == null ? DEFAULT_READ_WRITE_BUFFER_SIZE : int.Parse(readBufferSize); + socket.SendBufferSize = writeBufferSize == null ? DEFAULT_READ_WRITE_BUFFER_SIZE : int.Parse(writeBufferSize); + + log.Debug("NoDelay : {0}", socket.NoDelay); + log.Debug("ReceiveBufferSize : {0}", socket.ReceiveBufferSize); + log.Debug("SendBufferSize : {0}", socket.SendBufferSize); + log.Debug("Openning connection with host : {0}; port: {1}", host, port); + + socket.Connect(host, port); + Socket = socket; + Stream = socket.GetStream(); + } + catch (SocketException e) + { + Console.WriteLine(e.StackTrace); + throw new TransportException("Error connecting to broker", e); + } + catch (IOException e) + { + throw new TransportException("Error connecting to broker", e); + } + } + + #endregion + } +}
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