| /* |
| * |
| * 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.Collections.Generic; |
| using Logger = org.apache.qpid.transport.util.Logger; |
| |
| namespace org.apache.qpid.transport |
| { |
| /// <summary> |
| /// Connection |
| /// </summary> |
| public class Connection |
| { |
| private static readonly Logger log = Logger.Get(typeof (Connection)); |
| |
| private readonly ISender<IProtocolEvent> _sender; |
| private readonly ConnectionDelegate _connDdelegate; |
| private int _channelMax = 1; |
| private int _connectionId; |
| private readonly IReceiver<ReceivedPayload<IProtocolEvent>> _receiver; |
| |
| private readonly Dictionary<int, Channel> _channels = new Dictionary<int, Channel>(); |
| |
| public Connection(IReceiver<ReceivedPayload<IProtocolEvent>> receiver, ISender<IProtocolEvent> sender, ConnectionDelegate connDdelegate) |
| { |
| _receiver = receiver; |
| _sender = sender; |
| _connDdelegate = connDdelegate; |
| } |
| |
| public int ConnectionId |
| { |
| get { return _connectionId; } |
| set { _connectionId = value; } |
| } |
| |
| public ConnectionDelegate ConnectionDelegate |
| { |
| get { return _connDdelegate; } |
| } |
| |
| public int ChannelMax |
| { |
| get { return _channelMax; } |
| set { _channelMax = value; } |
| } |
| |
| public void Send(IProtocolEvent pevent) |
| { |
| log.Debug("SEND: [{0}] {1}", this, pevent); |
| _sender.Send(pevent); |
| } |
| |
| public void Flush() |
| { |
| log.Debug("FLUSH: [{0}]", this); |
| _sender.Flush(); |
| } |
| |
| |
| public Channel GetChannel() |
| { |
| lock (_channels) |
| { |
| for (int i = 0; i < ChannelMax; i++) |
| { |
| if (!_channels.ContainsKey(i)) |
| { |
| return GetChannel(i); |
| } |
| } |
| throw new Exception("no more _channels available"); |
| } |
| } |
| |
| public Channel GetChannel(int number) |
| { |
| lock (_channels) |
| { |
| Channel channel = null; |
| if (_channels.Count > 0) |
| { |
| if( _channels.ContainsKey(number)) |
| channel = _channels[number]; |
| } |
| if (channel == null) |
| { |
| channel = new Channel(this, number, _connDdelegate.GetSessionDelegate()); |
| _receiver.Received += channel.On_ReceivedEvent; |
| _channels.Add(number, channel); |
| } |
| return channel; |
| } |
| } |
| |
| public void RemoveChannel(int number) |
| { |
| lock (_channels) |
| { |
| _receiver.Received -= _channels[number].On_ReceivedEvent; |
| _channels.Remove(number); |
| } |
| } |
| |
| public void On_ReceivedEvent(object sender, ReceivedPayload<IProtocolEvent> payload) |
| { |
| log.Debug("RECV: [{0}] {1}", this, payload.Payload); |
| if (_channels.ContainsKey(payload.Payload.Channel)) return; |
| Channel channel = GetChannel(payload.Payload.Channel); |
| channel.On_ReceivedEvent(sender, payload); |
| } |
| |
| public void On_ReceivedException(Object sender, ExceptionArgs arg) |
| { |
| _connDdelegate.RaiseException(arg.Exception); |
| } |
| |
| public void On_ReceivedClosed(Object sender, EventArgs arg) |
| { |
| log.Debug("Connection Closed: {0}", this); |
| lock (_channels) |
| { |
| foreach (Channel ch in _channels.Values) |
| { |
| ch.ClosedFromConnection(); |
| } |
| } |
| _channels.Clear(); |
| _connDdelegate.Closed(); |
| } |
| |
| |
| public void CloseCode(ConnectionClose close) |
| { |
| lock (_channels) |
| { |
| foreach (Channel ch in _channels.Values) |
| { |
| ch.CloseCode(close); |
| } |
| } |
| } |
| |
| public void Close() |
| { |
| _sender.Close(); |
| } |
| } |
| |
| } |