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.Buffers.Type;
19 import org.eclipse.jetty.io.BuffersFactory;
20
21
22 /* ------------------------------------------------------------ */
23 /** The WebSocket Buffer Pool.
24 *
25 * The normal buffers are byte array buffers so that user processes
26 * can access directly. However the generator uses direct buffers
27 * for the final output stage as they are filled in bulk and are more
28 * efficient to flush.
29 */
30 public class WebSocketBuffers
31 {
32 final private int _bufferSize;
33 final private Buffers _buffers;
34
35 public WebSocketBuffers(final int bufferSize)
36 {
37 _bufferSize=bufferSize;
38 _buffers = BuffersFactory.newBuffers(Type.DIRECT,bufferSize,Type.INDIRECT,bufferSize,Type.INDIRECT,-1);
39 }
40
41 public Buffer getBuffer()
42 {
43 return _buffers.getBuffer();
44 }
45
46 public Buffer getDirectBuffer()
47 {
48 return _buffers.getHeader();
49 }
50
51 public void returnBuffer(Buffer buffer)
52 {
53 _buffers.returnBuffer(buffer);
54 }
55
56 public int getBufferSize()
57 {
58 return _bufferSize;
59 }
60 }