/[irc-logger]/trunk/bin/irc-logger.pl
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Contents of /trunk/bin/irc-logger.pl

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Revision 34 - (show annotations)
Sat Jun 24 22:57:26 2006 UTC (14 years, 7 months ago) by dpavlin
Original Path: trunk/irc-logger.pl
File MIME type: text/plain
File size: 15412 byte(s)
somewhat better logging

1 #!/usr/bin/perl -w
2 use strict;
3 $|++;
4
5 =head1 NAME
6
7 irc-logger.pl
8
9 =head1 SYNOPSIS
10
11 ./irc-logger.pl
12
13 =head1 DESCRIPTION
14
15 log all conversation on irc channel
16
17 =cut
18
19 ## CONFIG
20
21 my $HOSTNAME = `hostname`;
22
23 my $NICK = 'irc-logger';
24 $NICK .= '-dev' if ($HOSTNAME =~ m/llin/);
25 my $CONNECT =
26 {Server => 'irc.freenode.net',
27 Nick => $NICK,
28 Ircname => "try /msg $NICK help",
29 };
30 my $CHANNEL = '#razmjenavjestina';
31 $CHANNEL = '#irc-logger' if ($HOSTNAME =~ m/llin/);
32 my $IRC_ALIAS = "log";
33
34 my %FOLLOWS =
35 (
36 ACCESS => "/var/log/apache/access.log",
37 ERROR => "/var/log/apache/error.log",
38 );
39
40 my $DSN = 'DBI:Pg:dbname=' . $NICK;
41
42 my $ENCODING = 'ISO-8859-2';
43 my $TIMESTAMP = '%Y-%m-%d %H:%M:%S';
44
45 ## END CONFIG
46
47
48
49 use POE qw(Component::IRC Wheel::FollowTail Component::Server::HTTP);
50 use HTTP::Status;
51 use DBI;
52 use Encode qw/from_to is_utf8/;
53 use Regexp::Common qw /URI/;
54 use CGI::Simple;
55 use HTML::TagCloud;
56 use POSIX qw/strftime/;
57
58 my $dbh = DBI->connect($DSN,"","", { RaiseError => 1, AutoCommit => 1 }) || die $DBI::errstr;
59
60 eval {
61 $dbh->do(qq{ select count(*) from log });
62 };
63
64 if ($@) {
65 warn "creating database table in $DSN\n";
66 $dbh->do(<<'_SQL_SCHEMA_');
67
68 create table log (
69 id serial,
70 time timestamp default now(),
71 channel text not null,
72 me boolean default false,
73 nick text not null,
74 message text not null,
75 primary key(id)
76 );
77
78 create index log_time on log(time);
79 create index log_channel on log(channel);
80 create index log_nick on log(nick);
81
82 _SQL_SCHEMA_
83 }
84
85 my $sth = $dbh->prepare(qq{
86 insert into log
87 (channel, me, nick, message)
88 values (?,?,?,?)
89 });
90
91 my $tags;
92 my $tag_regex = '\b([\w-_]+)//';
93
94 =head2 get_from_log
95
96 my @messages = get_from_log(
97 limit => 42,
98 search => '%what to stuff in ilike%',
99 fmt => {
100 time => '{%s} ',
101 time_channel => '{%s %s} ',
102 nick => '%s: ',
103 me_nick => '***%s ',
104 message => '%s',
105 },
106 filter => {
107 message => sub {
108 # modify message content
109 return shift;
110 }
111 },
112 context => 5,
113 );
114
115 Order is important. Fields are first passed through C<filter> (if available) and
116 then throgh C<< sprintf($fmt->{message}, $message >> if available.
117
118 C<context> defines number of messages around each search hit for display.
119
120 =cut
121
122 sub get_from_log {
123 my $args = {@_};
124
125 $args->{limit} ||= 10;
126
127 $args->{fmt} ||= {
128 date => '[%s] ',
129 time => '{%s} ',
130 time_channel => '{%s %s} ',
131 nick => '%s: ',
132 me_nick => '***%s ',
133 message => '%s',
134 };
135
136 my $sql_message = qq{
137 select
138 time::date as date,
139 time::time as time,
140 channel,
141 me,
142 nick,
143 message
144 from log
145 };
146
147 my $sql_context = qq{
148 select
149 id
150 from log
151 };
152
153 my $context = $1 if ($args->{search} && $args->{search} =~ s/\s*\+(\d+)\s*/ /);
154
155 my $sql = $context ? $sql_context : $sql_message;
156
157 $sql .= " where message ilike ? or nick ilike ? " if ($args->{search});
158 $sql .= " where id in (" . join(",", @{ $tags->{ $args->{tag} } }) . ") " if ($args->{tag} && $tags->{ $args->{tag} });
159 $sql .= " order by log.time desc";
160 $sql .= " limit " . $args->{limit};
161
162 my $sth = $dbh->prepare( $sql );
163 if (my $search = $args->{search}) {
164 $search =~ s/^\s+//;
165 $search =~ s/\s+$//;
166 $sth->execute( ( '%' . $search . '%' ) x 2 );
167 warn "search for '$search' returned ", $sth->rows, " results ", $context || '', "\n";
168 } elsif (my $tag = $args->{tag}) {
169 $sth->execute();
170 warn "tag '$tag' returned ", $sth->rows, " results ", $context || '', "\n";
171 } else {
172 $sth->execute();
173 }
174 my $last_row = {
175 date => '',
176 time => '',
177 channel => '',
178 nick => '',
179 };
180
181 my @rows;
182
183 while (my $row = $sth->fetchrow_hashref) {
184 unshift @rows, $row;
185 }
186
187 my @msgs = (
188 "Showing " . ($#rows + 1) . " messages..."
189 );
190
191 if ($context) {
192 my @ids = @rows;
193 @rows = ();
194
195 my $last_to = 0;
196
197 my $sth = $dbh->prepare( $sql_message . qq{ where id >= ? and id < ? } );
198 foreach my $row_id (sort { $a->{id} <=> $b->{id} } @ids) {
199 my $id = $row_id->{id} || die "can't find id in row";
200
201 my ($from, $to) = ($id - $context, $id + $context);
202 $from = $last_to if ($from < $last_to);
203 $last_to = $to;
204 $sth->execute( $from, $to );
205
206 #warn "## id: $id from: $from to: $to returned: ", $sth->rows, "\n";
207
208 while (my $row = $sth->fetchrow_hashref) {
209 push @rows, $row;
210 }
211
212 }
213 }
214
215 foreach my $row (@rows) {
216
217 $row->{time} =~ s#\.\d+##;
218
219 my $msg = '';
220
221 $msg = sprintf($args->{fmt}->{date}, $row->{date}) . ' ' if ($last_row->{date} ne $row->{date});
222 my $t = $row->{time};
223
224 if ($last_row->{channel} ne $row->{channel}) {
225 $msg .= sprintf($args->{fmt}->{time_channel}, $t, $row->{channel});
226 } else {
227 $msg .= sprintf($args->{fmt}->{time}, $t);
228 }
229
230 my $append = 1;
231
232 my $nick = $row->{nick};
233 if ($nick =~ s/^_*(.*?)_*$/$1/) {
234 $row->{nick} = $nick;
235 }
236
237 if ($last_row->{nick} ne $nick) {
238 # obfu way to find format for me_nick if needed or fallback to default
239 my $fmt = $row->{me} ? ( $args->{fmt}->{me_nick} || $args->{fmt}->{nick} ) : $args->{fmt}->{nick};
240 $fmt ||= '%s';
241
242 $nick = $args->{filter}->{nick}->($nick) if (ref($args->{filter}->{nick}) eq 'CODE');
243
244 $msg .= sprintf( $fmt, $nick );
245 $append = 0;
246 }
247
248 $args->{fmt}->{message} ||= '%s';
249 if (ref($args->{filter}->{message}) eq 'CODE') {
250 $msg .= sprintf($args->{fmt}->{message},
251 $args->{filter}->{message}->(
252 $row->{message}
253 )
254 );
255 } else {
256 $msg .= sprintf($args->{fmt}->{message}, $row->{message});
257 }
258
259 if ($append && @msgs) {
260 $msgs[$#msgs] .= " " . $msg;
261 } else {
262 push @msgs, $msg;
263 }
264
265 $last_row = $row;
266 }
267
268 return @msgs;
269 }
270
271
272 my $SKIPPING = 0; # if skipping, how many we've done
273 my $SEND_QUEUE; # cache
274
275 POE::Component::IRC->new($IRC_ALIAS);
276
277 POE::Session->create( inline_states =>
278 {_start => sub {
279 $_[KERNEL]->post($IRC_ALIAS => register => 'all');
280 $_[KERNEL]->post($IRC_ALIAS => connect => $CONNECT);
281 },
282 irc_255 => sub { # server is done blabbing
283 $_[KERNEL]->post($IRC_ALIAS => join => $CHANNEL);
284 $_[KERNEL]->post($IRC_ALIAS => join => '#logger');
285 $_[KERNEL]->yield("heartbeat"); # start heartbeat
286 # $_[KERNEL]->yield("my_add", $_) for keys %FOLLOWS;
287 $_[KERNEL]->post( $IRC_ALIAS => privmsg => 'nickserv', "IDENTIFY $NICK" );
288 },
289 irc_public => sub {
290 my $kernel = $_[KERNEL];
291 my $nick = (split /!/, $_[ARG0])[0];
292 my $channel = $_[ARG1]->[0];
293 my $msg = $_[ARG2];
294
295 from_to($msg, 'UTF-8', $ENCODING);
296
297 print "$channel: <$nick> $msg\n";
298 $sth->execute($channel, 0, $nick, $msg);
299 add_tag( id => $dbh->last_insert_id(undef,undef,"log",undef),
300 message => $msg);
301 },
302 irc_ctcp_action => sub {
303 my $kernel = $_[KERNEL];
304 my $nick = (split /!/, $_[ARG0])[0];
305 my $channel = $_[ARG1]->[0];
306 my $msg = $_[ARG2];
307
308 from_to($msg, 'UTF-8', $ENCODING);
309
310 print "$channel ***$nick $msg\n";
311 $sth->execute($channel, 1, $nick, $msg);
312 add_tag( id => $dbh->last_insert_id(undef,undef,"log",undef),
313 message => $msg);
314 },
315 irc_msg => sub {
316 my $kernel = $_[KERNEL];
317 my $nick = (split /!/, $_[ARG0])[0];
318 my $msg = $_[ARG2];
319 from_to($msg, 'UTF-8', $ENCODING);
320
321 my $res = "unknown command '$msg', try /msg $NICK help!";
322 my @out;
323
324 print "<< $msg\n";
325
326 if ($msg =~ m/^help/i) {
327
328 $res = "usage: /msg $NICK comand | commands: stat - user/message stat | last - show backtrace | grep foobar - find foobar";
329
330 } elsif ($msg =~ m/^msg\s+(\S+)\s+(.*)$/i) {
331
332 print ">> /msg $1 $2\n";
333 $_[KERNEL]->post( $IRC_ALIAS => privmsg => $1, $2 );
334 $res = '';
335
336 } elsif ($msg =~ m/^stat.*?\s*(\d*)/i) {
337
338 my $nr = $1 || 10;
339
340 my $sth = $dbh->prepare(qq{
341 select nick,count(*) from log group by nick order by count desc limit $nr
342 });
343 $sth->execute();
344 $res = "Top $nr users: ";
345 my @users;
346 while (my $row = $sth->fetchrow_hashref) {
347 push @users,$row->{nick} . ': ' . $row->{count};
348 }
349 $res .= join(" | ", @users);
350 } elsif ($msg =~ m/^last.*?\s*(\d*)/i) {
351
352 foreach my $res (get_from_log( limit => $1 )) {
353 print "last: $res\n";
354 from_to($res, $ENCODING, 'UTF-8');
355 $_[KERNEL]->post( $IRC_ALIAS => privmsg => $nick, $res );
356 }
357
358 $res = '';
359
360 } elsif ($msg =~ m/^(search|grep)\s+(.*)\s*$/i) {
361
362 my $what = $2;
363
364 foreach my $res (get_from_log(
365 limit => 20,
366 search => $what,
367 )) {
368 print "search [$what]: $res\n";
369 from_to($res, $ENCODING, 'UTF-8');
370 $_[KERNEL]->post( $IRC_ALIAS => privmsg => $nick, $res );
371 }
372
373 $res = '';
374
375 }
376
377 if ($res) {
378 print ">> [$nick] $res\n";
379 from_to($res, $ENCODING, 'UTF-8');
380 $_[KERNEL]->post( $IRC_ALIAS => privmsg => $nick, $res );
381 }
382
383 },
384 irc_477 => sub {
385 print "# irc_477: ",$_[ARG1], "\n";
386 $_[KERNEL]->post( $IRC_ALIAS => privmsg => 'nickserv', "register $NICK" );
387 },
388 irc_505 => sub {
389 print "# irc_505: ",$_[ARG1], "\n";
390 $_[KERNEL]->post( $IRC_ALIAS => privmsg => 'nickserv', "register $NICK" );
391 # $_[KERNEL]->post( $IRC_ALIAS => privmsg => 'nickserv', "set hide email on" );
392 # $_[KERNEL]->post( $IRC_ALIAS => privmsg => 'nickserv', "set email dpavlin\@rot13.org" );
393 },
394 irc_registered => sub {
395 warn "## indetify $NICK\n";
396 $_[KERNEL]->post( $IRC_ALIAS => privmsg => 'nickserv', "IDENTIFY $NICK" );
397 },
398 # irc_433 => sub {
399 # print "# irc_433: ",$_[ARG1], "\n";
400 # warn "## indetify $NICK\n";
401 # $_[KERNEL]->post( $IRC_ALIAS => privmsg => 'nickserv', "IDENTIFY $NICK" );
402 # },
403 _child => sub {},
404 _default => sub {
405 printf "%s #%s %s %s\n",
406 strftime($TIMESTAMP,localtime()), $_[SESSION]->ID, $_[ARG0],
407 ref($_[ARG1]) eq "ARRAY" ? join(",", map { ref($_) eq "ARRAY" ? join(";", @{$_}) : $_ } @{ $_[ARG1] }) :
408 $_[ARG1] ? $_[ARG1] :
409 "";
410 0; # false for signals
411 },
412 my_add => sub {
413 my $trailing = $_[ARG0];
414 my $session = $_[SESSION];
415 POE::Session->create
416 (inline_states =>
417 {_start => sub {
418 $_[HEAP]->{wheel} =
419 POE::Wheel::FollowTail->new
420 (
421 Filename => $FOLLOWS{$trailing},
422 InputEvent => 'got_line',
423 );
424 },
425 got_line => sub {
426 $_[KERNEL]->post($session => my_tailed =>
427 time, $trailing, $_[ARG0]);
428 },
429 },
430 );
431
432 },
433 my_tailed => sub {
434 my ($time, $file, $line) = @_[ARG0..ARG2];
435 ## $time will be undef on a probe, or a time value if a real line
436
437 ## PoCo::IRC has throttling built in, but no external visibility
438 ## so this is reaching "under the hood"
439 $SEND_QUEUE ||=
440 $_[KERNEL]->alias_resolve($IRC_ALIAS)->get_heap->{send_queue};
441
442 ## handle "no need to keep skipping" transition
443 if ($SKIPPING and @$SEND_QUEUE < 1) {
444 $_[KERNEL]->post($IRC_ALIAS => privmsg => $CHANNEL =>
445 "[discarded $SKIPPING messages]");
446 $SKIPPING = 0;
447 }
448
449 ## handle potential message display
450 if ($time) {
451 if ($SKIPPING or @$SEND_QUEUE > 3) { # 3 msgs per 10 seconds
452 $SKIPPING++;
453 } else {
454 my @time = localtime $time;
455 $_[KERNEL]->post($IRC_ALIAS => privmsg => $CHANNEL =>
456 sprintf "%02d:%02d:%02d: %s: %s",
457 ($time[2] + 11) % 12 + 1, $time[1], $time[0],
458 $file, $line);
459 }
460 }
461
462 ## handle re-probe/flush if skipping
463 if ($SKIPPING) {
464 $_[KERNEL]->delay($_[STATE] => 0.5); # $time will be undef
465 }
466
467 },
468 my_heartbeat => sub {
469 $_[KERNEL]->yield(my_tailed => time, "heartbeat", "beep");
470 $_[KERNEL]->delay($_[STATE] => 10);
471 }
472 },
473 );
474
475 # tags support
476
477 my $cloud = HTML::TagCloud->new;
478
479 =head2 add_tag
480
481 add_tag( id => 42, message => 'irc message' );
482
483 =cut
484
485 sub add_tag {
486 my $arg = {@_};
487
488 return unless ($arg->{id} && $arg->{message});
489
490 my $m = $arg->{message};
491 from_to('UTF-8', 'iso-8859-2', $m) if (is_utf8($m));
492
493 while ($m =~ s#$tag_regex##s) {
494 my $tag = $1;
495 next if (! $tag || $tag =~ m/https?:/i);
496 push @{ $tags->{$tag} }, $arg->{id};
497 #warn "+tag $tag: $arg->{id}\n";
498 $cloud->add($tag, "?tag=$tag", scalar @{$tags->{$tag}} + 1);
499 }
500 }
501
502 =head2 seed_tags
503
504 Read all tags from database and create in-memory cache for tags
505
506 =cut
507
508 sub seed_tags {
509 my $sth = $dbh->prepare(qq{ select id,message from log where message like '%//%' });
510 $sth->execute;
511 while (my $row = $sth->fetchrow_hashref) {
512 add_tag( %$row );
513 }
514
515 foreach my $tag (keys %$tags) {
516 $cloud->add($tag, "?tag=$tag", scalar @{$tags->{$tag}} + 1);
517 }
518 }
519
520 seed_tags;
521
522 # http server
523
524 my $httpd = POE::Component::Server::HTTP->new(
525 Port => $NICK =~ m/-dev/ ? 8001 : 8000,
526 ContentHandler => { '/' => \&root_handler },
527 Headers => { Server => 'irc-logger' },
528 );
529
530 my %escape = ('<'=>'&lt;', '>'=>'&gt;', '&'=>'&amp;', '"'=>'&quot;');
531 my $escape_re = join '|' => keys %escape;
532
533 my $style = <<'_END_OF_STYLE_';
534 p { margin: 0; padding: 0.1em; }
535 .time, .channel { color: #808080; font-size: 60%; }
536 .date { float: right; background: #e0e0e0; color: #404040; font-size: 120%; padding: 0.25em; border: 1px dashed #808080; }
537 .nick { color: #000000; font-size: 80%; padding: 2px; font-family: courier, courier new, monospace ; }
538 .message { color: #000000; font-size: 100%; }
539 .search { float: right; }
540 .col-0 { background: #ffff66 }
541 .col-1 { background: #a0ffff }
542 .col-2 { background: #99ff99 }
543 .col-3 { background: #ff9999 }
544 .col-4 { background: #ff66ff }
545 a:link.tag, a:visited.tag { border: 1px dashed #ccc; backgound: #ccc; text-decoration: none }
546 a:hover.tag { border: 1px solid #eee }
547 _END_OF_STYLE_
548
549 my $max_color = 4;
550
551 my %nick_enumerator;
552
553 sub root_handler {
554 my ($request, $response) = @_;
555 $response->code(RC_OK);
556 $response->content_type("text/html; charset=$ENCODING");
557
558 my $q;
559
560 if ( $request->method eq 'POST' ) {
561 $q = new CGI::Simple( $request->content );
562 } elsif ( $request->uri =~ /\?(.+)$/ ) {
563 $q = new CGI::Simple( $1 );
564 } else {
565 $q = new CGI::Simple;
566 }
567
568 my $search = $q->param('search') || $q->param('grep') || '';
569
570 $response->content(
571 qq{<html><head><title>$NICK</title><style type="text/css">$style} .
572 $cloud->css .
573 qq{</style></head><body>} .
574 qq{
575 <form method="post" class="search" action="/">
576 <input type="text" name="search" value="$search" size="10">
577 <input type="submit" value="search">
578 </form>
579 } .
580 $cloud->html(500) .
581 qq{<p>} .
582 join("</p><p>",
583 get_from_log(
584 limit => $q->param('last') || 100,
585 search => $search || undef,
586 tag => $q->param('tag') || undef,
587 fmt => {
588 date => '<hr size="1" style="clear: both;"/><div class="date">%s</div> ',
589 time => '<span class="time">%s</span> ',
590 time_channel => '<span class="channel">%s %s</span> ',
591 nick => '%s:&nbsp;',
592 me_nick => '***%s&nbsp;',
593 message => '<span class="message">%s</span>',
594 },
595 filter => {
596 message => sub {
597 my $m = shift || return;
598 $m =~ s/($escape_re)/$escape{$1}/gs;
599 $m =~ s#($RE{URI}{HTTP})#<a href="$1">$1</a>#gs;
600 $m =~ s#$tag_regex#<a href="?tag=$1" class="tag">$1</a>#g;
601 return $m;
602 },
603 nick => sub {
604 my $n = shift || return;
605 if (! $nick_enumerator{$n}) {
606 my $max = scalar keys %nick_enumerator;
607 $nick_enumerator{$n} = $max + 1;
608 }
609 return '<span class="nick col-' .
610 ( $nick_enumerator{$n} % $max_color ) .
611 '">' . $n . '</span>';
612 },
613 },
614 )
615 ) .
616 qq{</p></body></html>}
617 );
618 return RC_OK;
619 }
620
621 POE::Kernel->run;

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