Java Doc for FD_ICMP.java in  » Net » JGroups-2.4.1-sp3 » org » jgroups » protocols » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Net » JGroups 2.4.1 sp3 » org.jgroups.protocols 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


org.jgroups.protocols.FD
   org.jgroups.protocols.FD_ICMP

FD_ICMP
public class FD_ICMP extends FD (Code)
Protocol which uses InetAddress.isReachable() to check whether a given host is up or not, taking 1 argument; the host name of the host to be pinged. Note that this protocol only works with JDK 5 ! The implementation of this may or may not use ICMP ! An alternative is to create a TCP connection to port 7 (echo service) and see whether it works ! This is obviously done in JDK 5, so unless an echo service is configured to run, this won't work...
author:
   Bela Ban
version:
   $Id: FD_ICMP.java,v 1.5.2.1 2007/04/27 08:03:51 belaban Exp $

Inner Class :protected class PingMonitor extends Monitor



Method Summary
protected  MonitorcreateMonitor()
    
public  StringgetName()
    
public  voidinit()
    
public  booleansetProperties(Properties props)
    
public  voidup(Event evt)
    



Method Detail
createMonitor
protected Monitor createMonitor()(Code)



getName
public String getName()(Code)



init
public void init() throws Exception(Code)



setProperties
public boolean setProperties(Properties props)(Code)



up
public void up(Event evt)(Code)



Fields inherited from org.jgroups.protocols.FD
final protected Broadcaster bcast_task(Code)(Java Doc)
final Hashtable invalid_pingers(Code)(Java Doc)
long last_ack(Code)(Java Doc)
Address local_addr(Code)(Java Doc)
int max_tries(Code)(Java Doc)
final List members(Code)(Java Doc)
final static String name(Code)(Java Doc)
protected int num_heartbeats(Code)(Java Doc)
protected int num_suspect_events(Code)(Java Doc)
int num_tries(Code)(Java Doc)
Address ping_dest(Code)(Java Doc)
final List pingable_mbrs(Code)(Java Doc)
boolean shun(Code)(Java Doc)
BoundedList suspect_history(Code)(Java Doc)
long timeout(Code)(Java Doc)
TimeScheduler timer(Code)(Java Doc)

Methods inherited from org.jgroups.protocols.FD
protected Monitor createMonitor()(Code)(Java Doc)
public void down(Event evt)(Code)(Java Doc)
public int getCurrentNumTries()(Code)(Java Doc)
public String getLocalAddress()(Code)(Java Doc)
public int getMaxTries()(Code)(Java Doc)
public String getMembers()(Code)(Java Doc)
public String getName()(Code)(Java Doc)
public int getNumSuspectEventsGenerated()(Code)(Java Doc)
public int getNumberOfHeartbeatsSent()(Code)(Java Doc)
public String getPingDest()(Code)(Java Doc)
public String getPingableMembers()(Code)(Java Doc)
public long getTimeout()(Code)(Java Doc)
public void init() throws Exception(Code)(Java Doc)
public boolean isShun()(Code)(Java Doc)
public String printSuspectHistory()(Code)(Java Doc)
public void resetStats()(Code)(Java Doc)
public void setMaxTries(int max_tries)(Code)(Java Doc)
public boolean setProperties(Properties props)(Code)(Java Doc)
public void setShun(boolean flag)(Code)(Java Doc)
public void setTimeout(long timeout)(Code)(Java Doc)
public void stop()(Code)(Java Doc)
public void up(Event evt)(Code)(Java Doc)

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