Package org.apache.catalina.ha.backend

Class HeartbeatListener

java.lang.Object

org.apache.catalina.ha.backend.HeartbeatListener

All Implemented Interfaces:

LifecycleListener

public class HeartbeatListener
extends Object
implements LifecycleListener

Field Summary

Fields

Modifier and Type	Field	Description
protected String	host
protected String	ip
protected int	multiport
protected int	port
protected String	proxyList	Proxy list, format "address:port,address:port".
protected String	proxyURL	URL prefix.
protected int	ttl

Constructor Summary

Constructors

Constructor	Description
HeartbeatListener()

Method Summary

Modifier and Type	Method	Description
String	getGroup()
String	getHost()
int	getMultiport()
int	getPort()
String	getProxyList()
String	getProxyURL()
int	getTtl()
void	lifecycleEvent(LifecycleEvent event)	Acknowledge the occurrence of the specified event.
void	setGroup(String group)	Set the Multicast IP to use for Multicast
void	setHost(String host)	Set the host corresponding to the connector.
void	setMultiport(int port)	Set the Port to use for Multicast
void	setPort(int port)	Set the port corresponding to the connector.
void	setProxyList(String proxyList)	Set the list of Proxies that send is requests, when not empty it toggles the multi to off.
void	setProxyURLString(String proxyURL)	Set the URL of receiver in httpd.
void	setTtl(int ttl)	Set the TTL for Multicast packets.

Methods inherited from class java.lang.Object

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

Field Detail

port

protected int port

host

protected String host

ip

protected String ip

multiport

protected int multiport

ttl

protected int ttl

proxyList

protected String proxyList

Proxy list, format "address:port,address:port".

proxyURL

protected String proxyURL

URL prefix.

Constructor Detail

HeartbeatListener

public HeartbeatListener()

Method Detail

getHost

public String getHost()

Returns:

the host corresponding to the connector we want to proxy.

setHost

public void setHost(String host)

Set the host corresponding to the connector.

Parameters:

host - the hostname or ip string.

getPort

public int getPort()

Returns:

the port of the connector we want to proxy.

setPort

public void setPort(int port)

Set the port corresponding to the connector.

Parameters:

port - default 8009 the ajp one.

getGroup

public String getGroup()

Returns:

the Multicast IP we are using for Multicast

setGroup

public void setGroup(String group)

Set the Multicast IP to use for Multicast

Parameters:

group - the multi address to use.

getMultiport

public int getMultiport()

Returns:

the Multicast Port we are using for Multicast.

setMultiport

public void setMultiport(int port)

Set the Port to use for Multicast

Parameters:

port - the port to use.

getTtl

public int getTtl()

Returns:

the TTL for Multicast packets.

setTtl

public void setTtl(int ttl)

Set the TTL for Multicast packets.

Parameters:

ttl - value for TTL.

getProxyList

public String getProxyList()

Returns:

the list of proxies that send us requests.

setProxyList

public void setProxyList(String proxyList)

Set the list of Proxies that send is requests, when not empty it toggles the multi to off. A SetHandler heartbeat must be existing in httpd.conf.

Parameters:

proxyList - the list of proxy, format "address:port,address:port".

getProxyURL

public String getProxyURL()

Returns:

the URL specified in <Location/> for the SetHandler heartbeat.

setProxyURLString

public void setProxyURLString(String proxyURL)

Set the URL of receiver in httpd. That is the location used in

 <Location "/HeartbeatListener">
    SetHandler heartbeat
 </Location>
 

All proxies MUST use the same location.

Parameters:

proxyURL - a String with the URL starting with /

lifecycleEvent

public void lifecycleEvent(LifecycleEvent event)

Description copied from interface: LifecycleListener

Acknowledge the occurrence of the specified event.

Specified by:

lifecycleEvent in interface LifecycleListener

Parameters:

event - LifecycleEvent that has occurred