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Man Pages


Manual Reference Pages  -  NET::BONJOUR::ENTRY (3)

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NAME

Net::Bonjour::Entry - Support module for mDNS service discovery (Apple’s Bonjour)

CONTENTS

SYNOPSIS

use Net::Bonjour;

my $res = Net::Bonjour->new(<service>[, <protocol>]); $res->discover;

foreach my $entry ( $res->entries ) {
        print $entry->name, \n; }

DESCRIPTION

Net::Bonjour::Entry is a module used to manage entries returned by a mDNS service discovery (Apple’s Bonjour). See Net::Bonjour for more information.

METHODS

    new([<fqdn>])

Creates a new Net::Bonjour::Entry object. The optional argument defines the fully qualifed domain name (FQDN) of the entry. Normal usage of the Net::Bonjour module will not require the construction of Net::Bonjour::Entry objects, as they are automatically created during the discovery process.

    address

Returns the IP address of the entry.

    all_attrs

Returns all the current attributes in the form of hashed array.

    attribute(<attribute>)

Returns the specified attribute from the TXT record of the entry. TXT records are used to specify additional information, e.g. path for http.

    dnsrr([<record type>])

Returns an DNS answer packet of the entry. The output will be in the format of a Net::DNS::Packet object. The record type designates the resource record to answer with, i.e. PTR, SRV, or TXT. The default is PTR.

    fetch

Reloads the information for the entry via mDNS.

    fqdn

Returns the fully qualifed domain name (FQDN) of entry. An example FQDN is server._afpovertcp._tcp.local

    hostname

Returns the hostname of the server, e.g. ’server.local’.

    name

Returns the name of the entry. In the case of the fqdn example, the name would be ’server’. This name may not be the hostname of the server. For example, names for presence/tcp will be the name of the user and http/tcp will be title of the web resource.

    port

Returns the TCP or UDP port of the entry.

    sockaddr

Returns the binary socket address for the resource and can be used directly to bind() sockets.

EXAMPLES

    Print out a list of local websites



        print "<HTML><TITLE>Local Websites</TITLE>";
       
        use Net::Bonjour;

        my $res = Net::Bonjour->new(http);
        $res->discover;

        foreach my $entry ( $res->entries) {
                printf "<A HREF=http://%s%s>%s</A><BR>",
                        $entry->address, $entry->attribute(path),
                        $entry->name;
        }
       
        print "</HTML>";



    Find a service and connect to it



        use Net::Bonjour;
       
        my $res = Net::Bonjour->new(custom);
        $res->discover;
       
        my $entry = $res->shift_entry;
       
        socket SOCK, PF_INET, SOCK_STREAM, scalar(getprotobyname(tcp));
       
        connect SOCK, $entry->sockaddr;
       
        print SOCK "Send a message to the service";
       
        while ($line = <SOCK>) { print $line; }
       
        close SOCK;



SEE ALSO

Net::Bonjour

COPYRIGHT

This library is free software and can be distributed or modified under the same terms as Perl itself.

Bonjour (in this context) is a trademark of Apple Computer, Inc.

AUTHORS

The Net::Bonjour::Entry module was created by George Chlipala <george@walnutcs.com>
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perl v5.20.3 NET::BONJOUR::ENTRY (3) 2007-03-18

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