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dpavlin |
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#!/usr/bin/perl -w |
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use strict; |
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$|++; |
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## CONFIG |
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my $NICK = 'irc-logger'; |
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my $CONNECT = |
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{Server => 'irc.freenode.net', |
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Nick => $NICK, |
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Ircname => 'logger: ask dpavlin@rot13.org' |
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}; |
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my $CHANNEL = '#razmjenavjestina'; |
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my $IRC_ALIAS = "log"; |
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my %FOLLOWS = |
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( |
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ACCESS => "/var/log/apache/access.log", |
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ERROR => "/var/log/apache/error.log", |
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); |
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## END CONFIG |
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my $SKIPPING = 0; # if skipping, how many we've done |
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my $SEND_QUEUE; # cache |
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use POE qw(Component::IRC Wheel::FollowTail); |
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POE::Component::IRC->new($IRC_ALIAS); |
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POE::Session->create |
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(inline_states => |
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{_start => sub { |
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$_[KERNEL]->post($IRC_ALIAS => register => 'all'); |
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$_[KERNEL]->post($IRC_ALIAS => connect => $CONNECT); |
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}, |
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irc_255 => sub { # server is done blabbing |
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$_[KERNEL]->post($IRC_ALIAS => join => $CHANNEL); |
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$_[KERNEL]->post($IRC_ALIAS => join => '#logger'); |
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$_[KERNEL]->yield("heartbeat"); # start heartbeat |
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# $_[KERNEL]->yield("my_add", $_) for keys %FOLLOWS; |
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}, |
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irc_public => sub { |
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my $kernel = $_[KERNEL]; |
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my $nick = (split /!/, $_[ARG0])[0]; |
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my $channel = $_[ARG1]->[0]; |
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my $msg = $_[ARG2]; |
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print "$channel: <$nick> $msg\n"; |
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}, |
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(map |
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{ |
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;"irc_$_" => sub { }} |
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qw(join |
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ctcp_version |
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connected snotice ctcp_action ping notice mode part quit |
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001 002 003 004 005 |
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250 251 252 253 254 265 266 |
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332 333 353 366 372 375 376)), |
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_child => sub {}, |
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_default => sub { |
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printf "%s: session %s caught an unhandled %s event.\n", |
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scalar localtime(), $_[SESSION]->ID, $_[ARG0]; |
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print "The $_[ARG0] event was given these parameters: ", |
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join(" ", map({"ARRAY" eq ref $_ ? "[@$_]" : "$_"} @{$_[ARG1]})), "\n"; |
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0; # false for signals |
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}, |
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my_add => sub { |
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my $trailing = $_[ARG0]; |
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my $session = $_[SESSION]; |
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POE::Session->create |
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(inline_states => |
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{_start => sub { |
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$_[HEAP]->{wheel} = |
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POE::Wheel::FollowTail->new |
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( |
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Filename => $FOLLOWS{$trailing}, |
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InputEvent => 'got_line', |
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); |
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}, |
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got_line => sub { |
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$_[KERNEL]->post($session => my_tailed => |
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time, $trailing, $_[ARG0]); |
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}, |
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}, |
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); |
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}, |
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my_tailed => sub { |
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my ($time, $file, $line) = @_[ARG0..ARG2]; |
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## $time will be undef on a probe, or a time value if a real line |
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## PoCo::IRC has throttling built in, but no external visibility |
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## so this is reaching "under the hood" |
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$SEND_QUEUE ||= |
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$_[KERNEL]->alias_resolve($IRC_ALIAS)->get_heap->{send_queue}; |
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## handle "no need to keep skipping" transition |
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if ($SKIPPING and @$SEND_QUEUE < 1) { |
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$_[KERNEL]->post($IRC_ALIAS => privmsg => $CHANNEL => |
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"[discarded $SKIPPING messages]"); |
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$SKIPPING = 0; |
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} |
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## handle potential message display |
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if ($time) { |
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if ($SKIPPING or @$SEND_QUEUE > 3) { # 3 msgs per 10 seconds |
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$SKIPPING++; |
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} else { |
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my @time = localtime $time; |
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$_[KERNEL]->post($IRC_ALIAS => privmsg => $CHANNEL => |
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sprintf "%02d:%02d:%02d: %s: %s", |
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($time[2] + 11) % 12 + 1, $time[1], $time[0], |
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$file, $line); |
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} |
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} |
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## handle re-probe/flush if skipping |
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if ($SKIPPING) { |
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$_[KERNEL]->delay($_[STATE] => 0.5); # $time will be undef |
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} |
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}, |
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my_heartbeat => sub { |
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$_[KERNEL]->yield(my_tailed => time, "heartbeat", "beep"); |
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$_[KERNEL]->delay($_[STATE] => 10); |
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} |
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}, |
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); |
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POE::Kernel->run; |