Skip to main content
aboutsummaryrefslogtreecommitdiffstats
blob: ff7302cfc7aa7781d1b94d5a1ee64a229ead8f5b (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
//========================================================================
//Copyright 2011-2012 Mort Bay Consulting Pty. Ltd.
//------------------------------------------------------------------------
//All rights reserved. This program and the accompanying materials
//are made available under the terms of the Eclipse Public License v1.0
//and Apache License v2.0 which accompanies this distribution.
//The Eclipse Public License is available at
//http://www.eclipse.org/legal/epl-v10.html
//The Apache License v2.0 is available at
//http://www.opensource.org/licenses/apache2.0.php
//You may elect to redistribute this code under either of these licenses.
//========================================================================

package org.eclipse.jetty.spdy.generator;

import java.nio.ByteBuffer;

import org.eclipse.jetty.spdy.ByteBufferPool;
import org.eclipse.jetty.spdy.frames.ControlFrame;

public abstract class ControlFrameGenerator
{
    private final ByteBufferPool bufferPool;

    protected ControlFrameGenerator(ByteBufferPool bufferPool)
    {
        this.bufferPool = bufferPool;
    }

    protected ByteBufferPool getByteBufferPool()
    {
        return bufferPool;
    }

    public abstract ByteBuffer generate(ControlFrame frame);

    protected void generateControlFrameHeader(ControlFrame frame, int frameLength, ByteBuffer buffer)
    {
        buffer.putShort((short)(0x8000 + frame.getVersion()));
        buffer.putShort(frame.getType().getCode());
        int flagsAndLength = frame.getFlags();
        flagsAndLength <<= 24;
        flagsAndLength += frameLength;
        buffer.putInt(flagsAndLength);
    }
}

Back to the top