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Man Pages


Manual Reference Pages  -  SOCKET::MULTICAST6 (3)

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NAME

Socket::Multicast6 - Constructors and constants for IPv4 and IPv6 multicast socket operations.

CONTENTS

SYNOPSIS



  use Socket::Multicast6 qw(:all);

  my $ip = getprotobyname( ip );
 
  my $ip_mreq = pack_ip_mreq( inet_aton( $mcast_addr ), inet_aton( $if_addr ) );

  my $ipv6_mreq = pack_ipv6_mreq( inet_pton( AF_INET6, $mcast6_addr ), $if_index );

  setsockopt( $sock, $ip, IP_ADD_MEMBERSHIP, $ip_mreq )
    or die( "setsockopt IP_ADD_MEMBERSHIP failed: $!" );

  setsockopt( $sock, $ip, IP_DROP_MEMBERSHIP, $ip_mreq )
    or die( "setsockopt IP_DROP_MEMBERSHIP failed: $!" );

  setsockopt( $sock, $ip, IP_MULTICAST_LOOP, pack( C, $loop ) )
    or die( "setsockopt IP_MULTICAST_LOOP failed: $!" );

  setsockopt( $sock, $ip, IP_MULTICAST_TTL, pack( C, $ttl ) )
    or die( "setsockopt IP_MULTICAST_TTL failed: $!" );



DESCRIPTION

This module is used to gain access to constants and utility functions used when manipulating multicast socket attributes.

For simple, object-oriented way of doing the same thing, take a look at IO::Socket::Multicast6 or IO::Socket::Multicast.

EXPORTS

By default nothing is exported, you can use the ’ipv4’, ’ipv6’ and ’independent’ to export a specific protocol family, or ’all’ to export all symbols.

FUNCTIONS

$ip_mreq = pack_ip_mreq(MCAST_ADDR, IF_ADDR)
$ip_mreq_source = pack_ip_mreq_source(MCAST_ADDR, SOURCE_ADDR, IF_ADDR)
$ipv6_mreq = pack_ipv6_mreq(MCAST6_ADDR, IF_INDEX)

CONSTANTS

IP_MULTICAST_IF
IP_MULTICAST_TTL
IP_MULTICAST_LOOP
IP_ADD_MEMBERSHIP
IP_DROP_MEMBERSHIP
IP_ADD_SOURCE_MEMBERSHIP
IP_DROP_SOURCE_MEMBERSHIP
IPV6_MULTICAST_IF
IPV6_MULTICAST_HOPS
IPV6_MULTICAST_LOOP
IPV6_JOIN_GROUP
IPV6_LEAVE_GROUP
MCAST_JOIN_GROUP
MCAST_BLOCK_SOURCE
MCAST_UNBLOCK_SOURCE
MCAST_LEAVE_GROUP
MCAST_JOIN_SOURCE_GROUP
MCAST_LEAVE_SOURCE_GROUP

SEE ALSO

IO::Socket::Multicast6 (The easier, object-oriented way)

AUTHOR

Based on Socket::Multicast by Jonathan Steinert, <hachi@cpan.org> Socket::Multicast6 by Nicholas J Humfrey, <njh@cpan.org>

COPYRIGHT AND LICENSE

Copyright (C) 2006 Nicholas J Humfrey Copyright (C) 2006 Jonathan Steinert

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself, either Perl version 5.6.1 or, at your option, any later version of Perl 5 you may have available.

POD ERRORS

Hey! <B>The above document had some coding errors, which are explained below:B>
Around line 129: ’=item’ outside of any ’=over’
Around line 136: You forgot a ’=back’ before ’=head1’
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perl v5.20.3 SOCKET::MULTICAST6 (3) 2016-04-03

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