1 /**
2 This file is part of GoldenGate Project (named also GoldenGate or GG).
3
4 Copyright 2009, Frederic Bregier, and individual contributors by the @author
5 tags. See the COPYRIGHT.txt in the distribution for a full listing of
6 individual contributors.
7
8 All GoldenGate Project is free software: you can redistribute it and/or
9 modify it under the terms of the GNU General Public License as published
10 by the Free Software Foundation, either version 3 of the License, or
11 (at your option) any later version.
12
13 GoldenGate is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with GoldenGate . If not, see <http://www.gnu.org/licenses/>.
20 */
21 package openr66.protocol.networkhandler.packet;
22
23 import org.jboss.netty.util.DefaultObjectSizeEstimator;
24 import org.jboss.netty.util.ObjectSizeEstimator;
25
26 /**
27 * Network Packet size estimator
28 *
29 * @author Frederic Bregier
30 *
31 */
32 public class NetworkPacketSizeEstimator implements ObjectSizeEstimator {
33 private DefaultObjectSizeEstimator internal = new DefaultObjectSizeEstimator();
34 /*
35 * (non-Javadoc)
36 *
37 * @see
38 * org.jboss.netty.handler.execution.ObjectSizeEstimator#estimateSize(java
39 * .lang.Object)
40 */
41 public int estimateSize(Object o) {
42 if (!(o instanceof NetworkPacket)) {
43 // Type unimplemented
44 return internal.estimateSize(o);
45 }
46 NetworkPacket packet = (NetworkPacket) o;
47 int size = packet.getBuffer().readableBytes()+13;
48 return size;
49 }
50 }