org.sblim.slp.internal
Class IPv6MulticastAddressFactory

java.lang.Object
  org.sblim.slp.internal.IPv6MulticastAddressFactory

public class IPv6MulticastAddressFactory
extends java.lang.Object

 SVRLOC group-id : FF0X:0:0:0:0:0:0:116
  - SRVTYPERQST Service Type Request
  - ATTRRQST Attribute Request
  - UA sends too
  
 SVRLOC-DA group-id : FF0X:0:0:0:0:0:0:123
  - SRVRQST for the "service:directory-agent" service type
  - UA sends too
 
 1000 - 13FF: SRVRQST : FF0X:0:0:0:0:0:1:....
  - the ID is the hashcode of the Service Type string used in the SrvRqst.
  - UA sends too
 

Constructor Summary

IPv6MulticastAddressFactory()

Method Summary

static java.net.InetAddress	get(int pScope, int pSrvHash) get
static java.net.InetAddress	get(int pScope, ServiceType pSrvType) get
static java.net.InetAddress	get(int pScope, SLPMessage pMsg) get
static java.net.InetAddress	getSrvLocAddress(int pScope) getSrvLocAddress
static int	getSrvTypeHash(ServiceType pServiceType) unsigned long slp_hash(const char *pc, unsigned int len) { unsigned long h = 0; while (len-- != 0) { h *= 33; h += *pc++; } return (0x3FF & h); // round to a range of 0-1023 }

Methods inherited from class java.lang.Object

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

Constructor Detail

IPv6MulticastAddressFactory

public IPv6MulticastAddressFactory()

Method Detail

getSrvLocAddress

public static java.net.InetAddress getSrvLocAddress(int pScope)
                                             throws java.net.UnknownHostException

getSrvLocAddress

Parameters:

pScope -

Returns:

InetAddress

Throws:

java.net.UnknownHostException

get

public static java.net.InetAddress get(int pScope,
                                       SLPMessage pMsg)
                                throws java.net.UnknownHostException

get

Parameters:

pScope -

pMsg -

Returns:

InetAddress

Throws:

java.net.UnknownHostException

get

public static java.net.InetAddress get(int pScope,
                                       ServiceType pSrvType)
                                throws java.net.UnknownHostException

get

Parameters:

pScope -

pSrvType -

Returns:

InetAddress

Throws:

java.net.UnknownHostException

get

public static java.net.InetAddress get(int pScope,
                                       int pSrvHash)
                                throws java.net.UnknownHostException

get

Parameters:

pScope -

pSrvHash -

Returns:

InetAddress

Throws:

java.net.UnknownHostException

getSrvTypeHash

public static int getSrvTypeHash(ServiceType pServiceType)

  unsigned long slp_hash(const char *pc, unsigned int len) {
    unsigned long h = 0;
    while (len-- != 0) {
        h *= 33;
        h += *pc++;
    }
    return (0x3FF & h); // round to a range of 0-1023
   }
 

Parameters:

pServiceType -

Returns:

int