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.IX Title "POE::Component::IRC::Cookbook::Resolver 3pm"
.TH POE::Component::IRC::Cookbook::Resolver 3pm "2018-01-01" "perl v5.26.1" "User Contributed Perl Documentation"
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.SH "NAME"
POE::Component::IRC::Cookbook::Resolver \- A bot that can resolve DNS records
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
This bot uses POE::Component::Client::DNS
to \s-1DNS\s0 records for channel members.
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
.Vb 1
\& #!/usr/bin/env perl
\&
\& use strict;
\& use warnings;
\& use IRC::Utils qw(parse_user);
\& use POE;
\& use POE::Component::Client::DNS;
\& use POE::Component::IRC::State;
\& use POE::Component::IRC::Plugin::AutoJoin;
\& use POE::Component::IRC::Plugin::BotCommand;
\&
\& POE::Session\->create(
\&     package_states => [
\&         main => [ qw(_start irc_botcmd_resolve dns_response) ]
\&     ],
\& );
\&
\& $poe_kernel\->run();
\&
\& sub _start {
\&     my $heap = $_[HEAP];
\&     my $irc = POE::Component::IRC::State\->spawn(
\&         Nick   => \*(Aqresolver_bot\*(Aq,
\&         Server => \*(Aqirc.freenode.net\*(Aq,
\&     );
\&     $heap\->{irc} = $irc;
\&
\&     $irc\->plugin_add(\*(AqAutoJoin\*(Aq, POE::Component::IRC::Plugin::AutoJoin\->new(
\&         Channels => [ \*(Aq#test_channel1\*(Aq, \*(Aq#test_channel2\*(Aq ]
\&     ));
\&
\&     $irc\->plugin_add(\*(AqBotCommand\*(Aq, POE::Component::IRC::Plugin::BotCommand\->new(
\&         Commands => {
\&            resolve => \*(AqUsage: resolve <host>\*(Aq
\&         }
\&     ));
\&
\&     $heap\->{dns} = POE::Component::Client::DNS\->spawn();
\&
\&     $irc\->yield(register => \*(Aqbotcmd_resolve\*(Aq);
\&     $irc\->yield(\*(Aqconnect\*(Aq);
\&     return;
\& }
\&
\& sub irc_botcmd_resolve {
\&     my $dns = $_[HEAP]\->{dns};
\&     my $nick = parse_user( $_[ARG0] );
\&     my ($channel, $host) = @_[ARG1, ARG2];
\&
\&     my $res = $dns\->resolve(
\&         event => \*(Aqdns_response\*(Aq,
\&         host => $host,
\&         context => {
\&             channel => $channel,
\&             nick    => $nick,
\&         },
\&     );
\&
\&     $poe_kernel\->yield(dns_response => $res) if $res;
\&     return;
\& }
\&
\& sub dns_response {
\&     my $irc = $_[HEAP]\->{irc};
\&     my $res = $_[ARG0];
\&     my @answers = $res\->{response}
\&         ? map { $_\->rdatastr } $res\->{response}\->answer()
\&         : ();
\&
\&     $irc\->yield(
\&         \*(Aqprivmsg\*(Aq,
\&         $res\->{context}\->{channel},
\&         $res\->{context}\->{nick} . (@answers
\&             ? ": @answers"
\&             : \*(Aq: no answers for "\*(Aq . $res\->{host} . \*(Aq"\*(Aq)
\&     );
\&
\&     return;
\& }
.Ve
.SH "AUTHOR"
.IX Header "AUTHOR"
Hinrik Örn Sigurðsson, hinrik.sig@gmail.com