com.caucho.amqp.io.FrameBegin Maven / Gradle / Ivy

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/*
 * Copyright (c) 1998-2018 Caucho Technology -- all rights reserved
 *
 * This file is part of Resin(R) Open Source
 *
 * Each copy or derived work must preserve the copyright notice and this
 * notice unmodified.
 *
 * Resin Open Source is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * Resin Open Source is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
 * of NON-INFRINGEMENT.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Resin Open Source; if not, write to the
 *
 *   Free Software Foundation, Inc.
 *   59 Temple Place, Suite 330
 *   Boston, MA 02111-1307  USA
 *
 * @author Scott Ferguson
 */

package com.caucho.amqp.io;

import java.io.IOException;
import java.util.List;
import java.util.Map;


/**
 * AMQP session-begin frame 
 */
public class FrameBegin extends AmqpAbstractFrame {
  public static final int CODE = AmqpConstants.FT_SESSION_OPEN;

  private int _remoteChannel;   // ushort
  private long _nextOutgoingId; // uint xfer-no/seq-no (required) RFC-1982
  private int _incomingWindow;  // uint (required)
  private int _outgoingWindow;  // uint (required)
  private int _handleMax;       // uint handle
  private List _offeredCapabilities;
  private List _desiredCapabilities;
  private Map _properties;
  
  public void setRemoteChannel(int channel)
  {
    _remoteChannel = channel;
  }
  
  public int getRemoteChannel()
  {
    return _remoteChannel;
  }
  
  public void setNextOutgoingId(long id)
  {
    _nextOutgoingId = id;
  }
  
  
  public long getNextOutgoingId()
  {
    return _nextOutgoingId;
  }
  
  public void setIncomingWindow(int window)
  {
    _incomingWindow = window;
  }
  
  public int getIncomingWindow()
  {
    return _incomingWindow;
  }
  
  public void setOutgoingWindow(int window)
  {
    _outgoingWindow = window;
  }
  
  public int getOutgoingWindow()
  {
    return _outgoingWindow;
  }
  
  public void setHandleMax(int max)
  {
    _handleMax = max;
  }
  
  public int getHandleMax()
  {
    return _handleMax;
  }
  
  public List getOfferedCapabilities()
  {
    return _offeredCapabilities;
  }
  
  public List getDesiredCapabilities()
  {
    return _desiredCapabilities;
  }
  
  public Map getProperties()
  {
    return _properties;
  }
  
  @Override
  public long getDescriptorCode()
  {
    return FT_SESSION_OPEN;
  }
  
  @Override
  public FrameBegin createInstance()
  {
    return new FrameBegin();
  }
  
  @Override
  public void invoke(AmqpReader ain, AmqpFrameHandler receiver)
    throws IOException
  {
    receiver.onBegin(this);
  }
  
  @Override
  public int writeBody(AmqpWriter out)
    throws IOException
  {
    out.writeUshort(_remoteChannel);
    
    out.writeUlong(_nextOutgoingId);
    out.writeUint(_incomingWindow);
    out.writeUint(_outgoingWindow);
    out.writeUint(_handleMax);
    
    out.writeSymbolArray(_offeredCapabilities);
    out.writeSymbolArray(_desiredCapabilities);
    out.writeMap(_properties);
    
    return 8;
  }
  
  @Override
  public void readBody(AmqpReader in, int count)
    throws IOException
  {
    _remoteChannel = in.readInt();
    _nextOutgoingId = in.readLong();
      
    _incomingWindow = in.readInt();
    _outgoingWindow = in.readInt();
    _handleMax = in.readInt();
    
    _offeredCapabilities = in.readSymbolArray();
    _desiredCapabilities = in.readSymbolArray();
    
    _properties = in.readFieldMap();
  }
  
  @Override
  public String toString()
  {
    return getClass().getSimpleName() + "[" + _remoteChannel + "]";
  }
}