hudson.plugins.swarm
Class Client

java.lang.Object
  hudson.plugins.swarm.Client

public class Client
extends java.lang.Object

Swarm client.

Discovers nearby Hudson via UDP broadcast, and pick eligible one randomly and joins it.

Author:

Kohsuke Kawaguchi

Field Summary

java.lang.String	description
int	executors
boolean	help
java.lang.String	labels
java.lang.String	master
java.lang.String	name
java.io.File	remoteFsRoot
protected java.net.DatagramSocket	socket Used to discover the server.
protected hudson.plugins.swarm.Client.Candidate	target The Hudson that we are trying to connect to.

Constructor Summary

Client()

Method Summary

protected void	connect()
protected void	createSwarmSlave()
protected java.util.List<java.net.DatagramPacket>	discover() Discovers Hudson running nearby.
static void	main(java.lang.String... args)
void	run() Finds a Hudson master that supports swarming, and join it.
protected void	sendBroadcast()
protected void	verifyThatUrlIsHudson()

Methods inherited from class java.lang.Object

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

Field Detail

socket

protected final java.net.DatagramSocket socket

Used to discover the server.

target

protected hudson.plugins.swarm.Client.Candidate target

The Hudson that we are trying to connect to.

name

public java.lang.String name

description

public java.lang.String description

labels

public java.lang.String labels

remoteFsRoot

public java.io.File remoteFsRoot

executors

public int executors

master

public java.lang.String master

help

public boolean help

Constructor Detail

Client

public Client()
       throws java.io.IOException

Throws:

java.io.IOException

Method Detail

main

public static void main(java.lang.String... args)
                 throws java.lang.InterruptedException,
                        java.io.IOException

Throws:

java.lang.InterruptedException

java.io.IOException

run

public void run()
         throws java.lang.InterruptedException

Finds a Hudson master that supports swarming, and join it. This method never returns.

Throws:

java.lang.InterruptedException

discover

protected java.util.List<java.net.DatagramPacket> discover()
                                                    throws java.io.IOException,
                                                           java.lang.InterruptedException,
                                                           RetryException

Discovers Hudson running nearby. To give every nearby Hudson a fair chance, wait for some time until we hear all the responses.

Throws:

java.io.IOException

java.lang.InterruptedException

RetryException

sendBroadcast

protected void sendBroadcast()
                      throws java.io.IOException

Throws:

java.io.IOException

connect

protected void connect()
                throws java.lang.InterruptedException

Throws:

java.lang.InterruptedException

createSwarmSlave

protected void createSwarmSlave()
                         throws java.io.IOException,
                                java.lang.InterruptedException,
                                RetryException

Throws:

java.io.IOException

java.lang.InterruptedException

RetryException

verifyThatUrlIsHudson

protected void verifyThatUrlIsHudson()
                              throws java.lang.InterruptedException,
                                     RetryException

Throws:

java.lang.InterruptedException

RetryException