1 //
2 // ========================================================================
3 // Copyright (c) 1995-2013 Mort Bay Consulting Pty. Ltd.
4 // ------------------------------------------------------------------------
5 // All rights reserved. This program and the accompanying materials
6 // are made available under the terms of the Eclipse Public License v1.0
7 // and Apache License v2.0 which accompanies this distribution.
8 //
9 // The Eclipse Public License is available at
10 // http://www.eclipse.org/legal/epl-v10.html
11 //
12 // The Apache License v2.0 is available at
13 // http://www.opensource.org/licenses/apache2.0.php
14 //
15 // You may elect to redistribute this code under either of these licenses.
16 // ========================================================================
17 //
18
19 package org.eclipse.jetty.websocket;
20
21 import org.eclipse.jetty.io.Buffer;
22 import org.eclipse.jetty.io.Buffers;
23 import org.eclipse.jetty.io.Buffers.Type;
24 import org.eclipse.jetty.io.BuffersFactory;
25
26
27 /* ------------------------------------------------------------ */
28 /** The WebSocket Buffer Pool.
29 *
30 * The normal buffers are byte array buffers so that user processes
31 * can access directly. However the generator uses direct buffers
32 * for the final output stage as they are filled in bulk and are more
33 * efficient to flush.
34 */
35 public class WebSocketBuffers
36 {
37 final private int _bufferSize;
38 final private Buffers _buffers;
39
40 public WebSocketBuffers(final int bufferSize)
41 {
42 _bufferSize=bufferSize;
43 _buffers = BuffersFactory.newBuffers(Type.DIRECT,bufferSize,Type.INDIRECT,bufferSize,Type.INDIRECT,-1);
44 }
45
46 public Buffer getBuffer()
47 {
48 return _buffers.getBuffer();
49 }
50
51 public Buffer getDirectBuffer()
52 {
53 return _buffers.getHeader();
54 }
55
56 public void returnBuffer(Buffer buffer)
57 {
58 _buffers.returnBuffer(buffer);
59 }
60
61 public int getBufferSize()
62 {
63 return _bufferSize;
64 }
65 }