| /* |
| * |
| * 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 org.apache.qpid.transport.network; |
| using org.apache.qpid.transport.util; |
| |
| namespace org.apache.qpid.transport |
| { |
| /// <summary> |
| /// Channel |
| /// </summary> |
| public class Channel : Invoker, IProtocolDelegate<Object> |
| { |
| private static readonly Logger log = Logger.Get(typeof (Channel)); |
| |
| private readonly Connection _connection; |
| private readonly int _channel; |
| private readonly MethodDelegate<Channel> _methoddelegate; |
| private readonly SessionDelegate _sessionDelegate; |
| // session may be null |
| private Session _session; |
| |
| public Channel(Connection connection, int channel, SessionDelegate sessionDelegate) |
| { |
| _connection = connection; |
| _channel = channel; |
| _methoddelegate = new ChannelDelegate(); |
| _sessionDelegate = sessionDelegate; |
| } |
| |
| public Connection Connection |
| { |
| get { return _connection; } |
| } |
| |
| // Invoked when a network event is received |
| public void On_ReceivedEvent(object sender, ReceivedPayload<IProtocolEvent> payload) |
| { |
| if (payload.Payload.Channel == _channel) |
| { |
| payload.Payload.ProcessProtocolEvent(null, this); |
| } |
| } |
| |
| #region ProtocolDelegate<T> |
| |
| public void Init(Object v, ProtocolHeader hdr) |
| { |
| _connection.ConnectionDelegate.Init(this, hdr); |
| } |
| |
| public void Control(Object v, Method method) |
| { |
| switch (method.EncodedTrack) |
| { |
| case Frame.L1: |
| method.Dispatch(this, _connection.ConnectionDelegate); |
| break; |
| case Frame.L2: |
| method.Dispatch(this, _methoddelegate); |
| break; |
| case Frame.L3: |
| method.ProcessProtocolEvent(_session, _sessionDelegate); |
| break; |
| default: |
| throw new Exception("unknown track: " + method.EncodedTrack); |
| } |
| } |
| |
| public void Command(Object v, Method method) |
| { |
| method.ProcessProtocolEvent(_session, _sessionDelegate); |
| } |
| |
| public void Error(Object v, ProtocolError error) |
| { |
| throw new Exception(error.Message); |
| } |
| |
| #endregion |
| |
| public void Exception(Exception t) |
| { |
| _session.Exception(t); |
| } |
| |
| public void ClosedFromConnection() |
| { |
| log.Debug("channel Closed: ", this); |
| if (_session != null) |
| { |
| _session.Closed(); |
| } |
| } |
| |
| public void Closed() |
| { |
| log.Debug("channel Closed: ", this); |
| if (_session != null) |
| { |
| _session.Closed(); |
| } |
| _connection.RemoveChannel(_channel); |
| } |
| |
| public int EncodedChannel |
| { |
| get { return _channel; } |
| } |
| |
| public Session Session |
| { |
| get { return _session; } |
| set { _session = value; } |
| } |
| |
| public void CloseCode(ConnectionClose close) |
| { |
| if (_session != null) |
| { |
| _session.CloseCode(close); |
| } |
| } |
| |
| private void Emit(IProtocolEvent pevent) |
| { |
| pevent.Channel = _channel; |
| _connection.Send(pevent); |
| } |
| |
| public void Method(Method m) |
| { |
| Emit(m); |
| |
| if (!m.Batch) |
| { |
| _connection.Flush(); |
| } |
| } |
| |
| protected override void Invoke(Method m) |
| { |
| Method(m); |
| } |
| |
| public override IFuture Invoke(Method m, IFuture future) |
| { |
| throw new Exception("UnsupportedOperation"); |
| } |
| |
| public override String ToString() |
| { |
| return String.Format("{0}:{1}", _connection, _channel); |
| } |
| } |
| } |