Apache Tomcat 6.0.39

org.apache.tomcat.jni
Class Multicast

java.lang.Object
  extended by org.apache.tomcat.jni.Multicast

public class Multicast
extends java.lang.Object

Multicast

Version:
$Id: Multicast.java 939351 2010-04-29 15:41:54Z kkolinko $
Author:
Mladen Turk

Constructor Summary
Multicast()
           
 
Method Summary
static int hops(long sock, int ttl)
          Set the Multicast Time to Live (ttl) for a multicast transmission.
static int join(long sock, long join, long iface, long source)
          Join a Multicast Group
static int leave(long sock, long addr, long iface, long source)
          Leave a Multicast Group.
static int loopback(long sock, boolean opt)
          Toggle IP Multicast Loopback
static int ointerface(long sock, long iface)
          Set the Interface to be used for outgoing Multicast Transmissions.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

Multicast

public Multicast()
Method Detail

join

public static int join(long sock,
                       long join,
                       long iface,
                       long source)
Join a Multicast Group

Parameters:
sock - The socket to join a multicast group
join - The address of the multicast group to join
iface - Address of the interface to use. If NULL is passed, the default multicast interface will be used. (OS Dependent)
source - Source Address to accept transmissions from (non-NULL implies Source-Specific Multicast)

leave

public static int leave(long sock,
                        long addr,
                        long iface,
                        long source)
Leave a Multicast Group. All arguments must be the same as apr_mcast_join.

Parameters:
sock - The socket to leave a multicast group
addr - The address of the multicast group to leave
iface - Address of the interface to use. If NULL is passed, the default multicast interface will be used. (OS Dependent)
source - Source Address to accept transmissions from (non-NULL implies Source-Specific Multicast)

hops

public static int hops(long sock,
                       int ttl)
Set the Multicast Time to Live (ttl) for a multicast transmission.

Parameters:
sock - The socket to set the multicast ttl
ttl - Time to live to Assign. 0-255, default=1
Remark : If the TTL is 0, packets will only be seen by sockets on the local machine, and only when multicast loopback is enabled.

loopback

public static int loopback(long sock,
                           boolean opt)
Toggle IP Multicast Loopback

Parameters:
sock - The socket to set multicast loopback
opt - false=disable, true=enable

ointerface

public static int ointerface(long sock,
                             long iface)
Set the Interface to be used for outgoing Multicast Transmissions.

Parameters:
sock - The socket to set the multicast interface on
iface - Address of the interface to use for Multicast

Apache Tomcat 6.0.39

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