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1   /*
2    *  XNap - A P2P framework and client.
3    *
4    *  See the file AUTHORS for copyright information.
5    *
6    *  This program is free software; you can redistribute it and/or modify
7    *  it under the terms of the GNU General Public License as published by
8    *  the Free Software Foundation.
9    *
10   *  This program is distributed in the hope that it will be useful,
11   *  but WITHOUT ANY WARRANTY; without even the implied warranty of
12   *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13   *  GNU General Public License for more details.
14   *
15   *  You should have received a copy of the GNU General Public License
16   *  along with this program; if not, write to the Free Software
17   *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
18   */
19  
20  package org.xnap.plugin.overnet.net.msg.core;
21  
22  import java.nio.ByteBuffer;
23  
24  import org.apache.log4j.Logger;
25  import org.xnap.plugin.overnet.net.OvernetSegment;
26  import org.xnap.plugin.overnet.util.OvernetPreferences;
27  
28  public class GapsMessage extends OvernetCoreMessage
29  {
30  	//--- Constant(s) ---
31  	
32  	public static final byte TYPE = (byte)174;
33  	
34  	//--- Data field(s) ---
35  	
36  	public byte[] hash = new byte[16];
37  	public int index = -1;
38  	public OvernetSegment[] segments;
39  
40      private static Logger logger = Logger.getLogger(GapsMessage.class);
41  	
42  	//--- Constructor(s) ---
43  
44      public GapsMessage(ByteBuffer buffer)
45  	{
46  		super(TYPE, buffer);
47  		if (OvernetPreferences.getInstance().getNewDownloadID()) {
48  			index = getInt();
49  		}
50  		else {
51  			get(hash);
52  		}
53  		short gaps = getShort();
54  		segments = new OvernetSegment[gaps];
55  		for (short i = 0; i < gaps; i++) {
56  			int start = getInt();
57  			int end = getInt();
58  			short status = getShort();
59  			segments[i] = new OvernetSegment(start, end, status < 0 ?
60  											 (int)status & 0xffff : status);
61  		}
62  	}
63  
64      //--- Method(s) ---
65  }