org.w3c.jigsaw.http
Class Shuffler

java.lang.Object
  org.w3c.jigsaw.http.Shuffler

public class Shuffler
extends java.lang.Object

This class implements both a nice hack and some magic. It uses an underlying shuffler process to speed up the sending of big data files back to the client.

The protocol between the server and the shuffler is quite simple, one byte indicate the operation, which takes as argument two file descriptors.

Field Summary

static java.lang.String

SHUFFLER_P The property giving the path of the shuffler server.

Constructor Summary

Shuffler(java.lang.String path)
Create a new data shuffler.

Method Summary

static void	main(java.lang.String[] args)
int	shuffle(Client client, Reply reply) Shuffle the given rteply body to the given client.
void	shutdown()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

SHUFFLER_P

public static final java.lang.String SHUFFLER_P

The property giving the path of the shuffler server. The shuffler server is an optional server helper, that deals with serving resource contents. When resource contents can be efficiently messaged between process boundaries (eg using sendmsg), the shuffler server takes over the task of sending resource's content back to the client. This property gives the path of the shuffler server binary program.

See Also:

Constant Field Values

Constructor Detail

Shuffler

public Shuffler(java.lang.String path)

Create a new data shuffler. The path identifies the directory in which UNIX socket will get bind. This should be an absloute path, eg /tmp/shuffler.

Parameters:

path - The path to the server.

Method Detail

shuffle

public int shuffle(Client client,
                   Reply reply)
            throws java.io.IOException

Shuffle the given rteply body to the given client. This methods tries to outout the given reply

Throws:

java.io.IOException

shutdown

public void shutdown()

main

public static void main(java.lang.String[] args)
                 throws java.io.FileNotFoundException,
                        java.io.IOException

Throws:

java.io.FileNotFoundException

java.io.IOException