Revision 4
- Date:
- 2006/02/27 11:54:38
- Files:
Legend:
- Added
- Removed
- Modified
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trunk/irc-logger.pl
1 #!/usr/bin/perl -w 2 use strict; 3 $|++; 4 5 ## CONFIG 6 7 my $NICK = 'irc-logger'; 8 my $CONNECT = 9 {Server => 'irc.freenode.net', 10 Nick => $NICK, 11 Ircname => 'logger: ask dpavlin@rot13.org' 12 }; 13 my $CHANNEL = '#razmjenavjestina'; 14 my $IRC_ALIAS = "log"; 15 16 my %FOLLOWS = 17 ( 18 ACCESS => "/var/log/apache/access.log", 19 ERROR => "/var/log/apache/error.log", 20 ); 21 22 ## END CONFIG 23 24 my $SKIPPING = 0; # if skipping, how many we've done 25 my $SEND_QUEUE; # cache 26 27 use POE qw(Component::IRC Wheel::FollowTail); 28 29 POE::Component::IRC->new($IRC_ALIAS); 30 31 POE::Session->create 32 (inline_states => 33 {_start => sub { 34 $_[KERNEL]->post($IRC_ALIAS => register => 'all'); 35 $_[KERNEL]->post($IRC_ALIAS => connect => $CONNECT); 36 }, 37 irc_255 => sub { # server is done blabbing 38 $_[KERNEL]->post($IRC_ALIAS => join => $CHANNEL); 39 $_[KERNEL]->post($IRC_ALIAS => join => '#logger'); 40 $_[KERNEL]->yield("heartbeat"); # start heartbeat 41 # $_[KERNEL]->yield("my_add", $_) for keys %FOLLOWS; 42 }, 43 irc_public => sub { 44 my $kernel = $_[KERNEL]; 45 my $nick = (split /!/, $_[ARG0])[0]; 46 my $channel = $_[ARG1]->[0]; 47 my $msg = $_[ARG2]; 48 49 print "$channel: <$nick> $msg\n"; 50 }, 51 (map 52 { 53 ;"irc_$_" => sub { }} 54 qw(join 55 ctcp_version 56 connected snotice ctcp_action ping notice mode part quit 57 001 002 003 004 005 58 250 251 252 253 254 265 266 59 332 333 353 366 372 375 376)), 60 _child => sub {}, 61 _default => sub { 62 printf "%s: session %s caught an unhandled %s event.\n", 63 scalar localtime(), $_[SESSION]->ID, $_[ARG0]; 64 print "The $_[ARG0] event was given these parameters: ", 65 join(" ", map({"ARRAY" eq ref $_ ? "[@$_]" : "$_"} @{$_[ARG1]})), "\n"; 66 0; # false for signals 67 }, 68 my_add => sub { 69 my $trailing = $_[ARG0]; 70 my $session = $_[SESSION]; 71 POE::Session->create 72 (inline_states => 73 {_start => sub { 74 $_[HEAP]->{wheel} = 75 POE::Wheel::FollowTail->new 76 ( 77 Filename => $FOLLOWS{$trailing}, 78 InputEvent => 'got_line', 79 ); 80 }, 81 got_line => sub { 82 $_[KERNEL]->post($session => my_tailed => 83 time, $trailing, $_[ARG0]); 84 }, 85 }, 86 ); 87 88 }, 89 my_tailed => sub { 90 my ($time, $file, $line) = @_[ARG0..ARG2]; 91 ## $time will be undef on a probe, or a time value if a real line 92 93 ## PoCo::IRC has throttling built in, but no external visibility 94 ## so this is reaching "under the hood" 95 $SEND_QUEUE ||= 96 $_[KERNEL]->alias_resolve($IRC_ALIAS)->get_heap->{send_queue}; 97 98 ## handle "no need to keep skipping" transition 99 if ($SKIPPING and @$SEND_QUEUE < 1) { 100 $_[KERNEL]->post($IRC_ALIAS => privmsg => $CHANNEL => 101 "[discarded $SKIPPING messages]"); 102 $SKIPPING = 0; 103 } 104 105 ## handle potential message display 106 if ($time) { 107 if ($SKIPPING or @$SEND_QUEUE > 3) { # 3 msgs per 10 seconds 108 $SKIPPING++; 109 } else { 110 my @time = localtime $time; 111 $_[KERNEL]->post($IRC_ALIAS => privmsg => $CHANNEL => 112 sprintf "%02d:%02d:%02d: %s: %s", 113 ($time[2] + 11) % 12 + 1, $time[1], $time[0], 114 $file, $line); 115 } 116 } 117 118 ## handle re-probe/flush if skipping 119 if ($SKIPPING) { 120 $_[KERNEL]->delay($_[STATE] => 0.5); # $time will be undef 121 } 122 123 }, 124 my_heartbeat => sub { 125 $_[KERNEL]->yield(my_tailed => time, "heartbeat", "beep"); 126 $_[KERNEL]->delay($_[STATE] => 10); 127 } 128 }, 129 ); 130 131 POE::Kernel->run;