1 // ========================================================================
2 // Copyright (c) 2010 Mort Bay Consulting Pty. Ltd.
3 // ------------------------------------------------------------------------
4 // All rights reserved. This program and the accompanying materials
5 // are made available under the terms of the Eclipse Public License v1.0
6 // and Apache License v2.0 which accompanies this distribution.
7 // The Eclipse Public License is available at
8 // http://www.eclipse.org/legal/epl-v10.html
9 // The Apache License v2.0 is available at
10 // http://www.opensource.org/licenses/apache2.0.php
11 // You may elect to redistribute this code under either of these licenses.
12 // ========================================================================
13
14 package org.eclipse.jetty.websocket;
15
16 import org.eclipse.jetty.io.Buffer;
17 import org.eclipse.jetty.io.Buffers;
18 import org.eclipse.jetty.io.BuffersFactory;
19 import org.eclipse.jetty.io.Buffers.Type;
20 import org.eclipse.jetty.io.ThreadLocalBuffers;
21 import org.eclipse.jetty.io.nio.DirectNIOBuffer;
22 import org.eclipse.jetty.io.nio.IndirectNIOBuffer;
23
24
25 /* ------------------------------------------------------------ */
26 /** The WebSocket Buffer Pool.
27 *
28 * The normal buffers are byte array buffers so that user processes
29 * can access directly. However the generator uses direct buffers
30 * for the final output stage as they are filled in bulk and are more
31 * efficient to flush.
32 */
33 public class WebSocketBuffers
34 {
35 final private int _bufferSize;
36 final private Buffers _buffers;
37 final private int _maxBuffers=1024;
38
39 public WebSocketBuffers(final int bufferSize)
40 {
41 _bufferSize=bufferSize;
42 _buffers = BuffersFactory.newBuffers(Type.DIRECT,bufferSize,Type.INDIRECT,bufferSize,Type.INDIRECT,_maxBuffers);
43 }
44
45 public Buffer getBuffer()
46 {
47 return _buffers.getBuffer();
48 }
49
50 public Buffer getDirectBuffer()
51 {
52 return _buffers.getHeader();
53 }
54
55 public void returnBuffer(Buffer buffer)
56 {
57 _buffers.returnBuffer(buffer);
58 }
59
60 public int getBufferSize()
61 {
62 return _bufferSize;
63 }
64 }