lilalo
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| author | igor@chub.in |
|---|---|
| date | Tue Jun 23 01:24:33 2009 +0300 (2009-06-23) |
| parents | 58c869722fd0 |
| children | 8ee5e59f1bd3 |
line source
1 #!/usr/bin/perl -w
3 #
4 # (c) Igor Chubin, igor@chub.in, 2004-2008
5 #
7 use strict;
8 use POSIX;
9 use Term::VT102;
10 use Text::Iconv;
11 use Time::Local 'timelocal_nocheck';
12 use IO::Socket;
14 use lib "/etc/lilalo";
15 use l3config;
17 our @Command_Lines;
18 our @Command_Lines_Index;
19 our %Diffs;
20 our %Sessions;
22 our %Script_Files; # Информация о позициях в скрипт-файлах,
23 # до которых уже выполнен разбор
24 # и информация о времени модификации файла
25 # $Script_Files{$file}->{size}
26 # $Script_Files{$file}->{tell}
28 our $Killed =0; # В режиме демона -- процесс получил сигнал о завершении
30 sub init_variables;
31 sub main;
33 sub load_diff_files;
34 sub bind_diff;
35 sub extract_commands_from_cline;
36 sub load_command_lines;
37 sub sort_command_lines;
38 sub print_command_lines;
39 sub printq;
41 sub save_cache_stat;
42 sub load_cache_stat;
43 sub print_session;
45 sub load_diff_files
46 {
47 my @pathes = @_;
49 for my $path (@pathes) {
50 my $template = "*.diff";
51 my @files = <$path/$template>;
52 my $i=0;
53 for my $file (@files) {
55 next if defined($Diffs{$file});
56 my %diff;
58 # Старый формат имени diff-файла
59 # DEPRECATED
60 if ($file=~m@/(D?[0-9][0-9]?[0-9]?)[^/]*?([0-9]*):([0-9]*):?([0-9]*)@) {
61 $diff{"day"}=$1 || "";
62 $diff{"hour"}=$2;
63 $diff{"min"}=$3;
64 $diff{"sec"}=$4 || 0;
66 $diff{"uid"} = 0 if $path =~ m@/root/@;
68 print "diff loaded: $diff{day} $diff{hour}:$diff{min}:$diff{sec}\n";
70 }
71 # Новый формат имени diff-файла
72 elsif ($file =~ m@.*/([^_]*)_([0-9]+)(.*)@) {
73 $diff{"local_session_id"} = $1;
74 $diff{"time"} = $2;
75 $diff{"filename"} = $3;
76 $diff{"filename"} =~ s@_@/@g;
77 $diff{"filename"} =~ s@//@_@g;
79 print "diff loaded: $diff{filename} (time=$diff{time},session=$diff{local_session_id})\n";
80 }
81 else {
82 next;
83 }
85 # Чтение и изменение кодировки содержимого diff-файла
86 local $/;
87 open (F, "$file")
88 or return "Can't open file $file ($_[0]) for reading";
89 my $text = <F>;
90 if ($Config{"encoding"} && $Config{"encoding"} !~ /^utf-8$/i) {
91 my $converter = Text::Iconv->new($Config{"encoding"}, "utf-8");
92 $text = $converter->convert($text);
93 }
94 close(F);
95 $diff{"text"}=$text;
97 $diff{"path"}=$path;
98 $diff{"bind_to"}="";
99 $diff{"time_range"}=-1;
100 $diff{"index"}=$i;
102 $Diffs{$file} = \%diff;
103 $i++;
104 }
105 }
106 }
109 sub bind_diff
110 {
111 print "Trying to bind diff...\n";
113 my $cl = shift;
114 my $hour = $cl->{"hour"};
115 my $min = $cl->{"min"};
116 my $sec = $cl->{"sec"};
118 my $min_dt = 10000;
120 if (defined($cl->{"diff"})) {
121 print STDERR "Command ".$cl->{time}." is already bound";
122 return;
123 }
125 # Загружаем новые diff-файлы
126 # Это нужно делать непосредственно перед привязкой, поскольку diff'ы могли образоваться только что
127 for my $lab_log (split (/\s+/, $Config{"diffs"} || $Config{"input"})) {
128 load_diff_files($lab_log);
129 }
131 my $diff_to_bind;
132 for my $diff_key (keys %Diffs) {
133 my $diff = $Diffs{$diff_key};
134 next if ($diff->{"local_session_id"}
135 && $cl->{"local_session_id"}
136 && ($cl->{"local_session_id"} ne $diff->{"local_session_id"}));
138 next if ($diff->{"day"} && $cl->{"day"} && ($cl->{"day"} ne $diff->{"day"}));
140 my $dt;
141 if (not $diff->{"time"}) {
142 print STDERR "diff time is 0";
143 print STDERR join(" ", keys(%$diff));
144 print STDERR $diff->{text};
145 }
146 if (not $cl->{"time"}) {
147 print STDERR "cl time is 0";
148 }
149 if ($diff->{"time"} && $cl->{"time"}) {
150 $dt = $diff->{"time"} - $cl->{"time"}
151 }
152 else {
153 $dt=($diff->{"hour"}-$hour)*3600 +($diff->{"min"}-$min)*60 + ($diff->{"sec"}-$sec);
154 }
155 if ($dt >=0 && $dt < $min_dt && !$diff->{"bind_to"}) {
156 $min_dt = $dt;
157 $diff_to_bind = $diff_key;
158 }
159 }
160 if ($diff_to_bind) {
161 print "Approppriate diff found: dt=$min_dt\n";
162 $Diffs{$diff_to_bind}->{"bind_to"}=$cl;
163 $cl->{"diff"} = $diff_to_bind;
164 }
165 else {
166 print STDERR "Diff not found\n";
167 print STDERR "cl{time}",$cl->{time},"\n";
168 }
169 }
172 sub extract_commands_from_cline
173 # Разобрать командную строку $_[1] и возвратить хэш, содержащий
174 # номер первого появление команды в строке:
175 # команда => первая позиция
176 {
177 my $cline = $_[0];
178 my @lists = split /\;/, $cline;
181 my @commands = ();
182 for my $list (@lists) {
183 push @commands, split /\|/, $list;
184 }
186 my %commands;
187 my %files;
188 my $i=0;
189 for my $command (@commands) {
190 $command =~ /\s*(\S+)\s*(.*)/;
191 if ($1 && $1 eq "sudo" ) {
192 $commands{"$1"}=$i++;
193 $command =~ s/\s*sudo\s+//;
194 }
195 $command =~ /\s*(\S+)\s*(.*)/;
196 if ($1 && !defined $commands{"$1"}) {
197 $commands{"$1"}=$i++;
198 };
199 }
200 return %commands;
201 }
203 sub load_command_lines
204 {
205 my $lab_scripts_path = $_[0];
206 my $lab_scripts_mask = $_[1];
208 my $cline_re_base = qq'
209 (
210 (?:\\^?([0-9]*C?)) # exitcode
211 (?:_([0-9]+)_)? # uid
212 (?:_([0-9]+)_) # pid
213 (...?) # day
214 (.?.?) # lab
215 \\s # space separator
216 ([0-9][0-9]):([0-9][0-9]):([0-9][0-9]) # time
217 .\\[50D.\\[K # killing symbols
218 (.*?([\$\#]\\s?)) # prompt
219 (.*) # command line
220 )
221 ';
222 my $cline_re = qr/$cline_re_base/sx;
223 my $cline_re2 = qr/$cline_re_base$/sx;
225 my $cline_re_v2_base = qq'
226 (
227 v2[\#] # version
228 ([0-9]+)[\#] # history line number
229 ([0-9]+)[\#] # exitcode
230 ([0-9]+)[\#] # uid
231 ([0-9]+)[\#] # pid
232 ([0-9]+)[\#] # time
233 (.*?)[\#] # pwd
234 .\\[1024D.\\[K # killing symbols
235 (.*?([\$\#]\\s?)) # prompt
236 (.*) # command line
237 )
238 ';
240 my $cline_re_v2 = qr/$cline_re_v2_base/sx;
241 my $cline_re2_v2 = qr/$cline_re_v2_base$/sx;
243 my $cline_re_v3_base = qq'
244 (
245 v3[\#] # version
246 .*
247 )
248 ';
249 my $cline_re_v3 = qr/$cline_re_v3_base/sx;
251 my $cline_re2_v3_base = qq'
252 (
253 v3[\#] # version
254 ([0-9]+)[\#] # history line number
255 ([0-9]+)[\#] # exitcode
256 ([0-9]+)[\#] # uid
257 ([0-9]+)[\#] # pid
258 ([0-9]+)[\#] # time
259 (.*?)[\#] # pwd
260 (.*?)[\#] # nonce
261 (.*?([\$\#]\\s?)) # prompt
262 (.*) # command line
263 )
264 ';
265 my $cline_re2_v3 = qr/$cline_re2_v3_base$/sx;
268 my %vt; # Хэш виртуальных терминалов. По одному на каждый сеанс
269 my $cline_vt = Term::VT102->new (
270 'cols' => $Config{"terminal_width"},
271 'rows' => $Config{"terminal_height"});
273 my $converter = Text::Iconv->new($Config{"encoding"}, "utf-8")
274 if ($Config{"encoding"} && $Config{"encoding"} !~ /^utf-8$/i);
276 print "Parsing lab scripts...\n" if $Config{"verbose"} =~ /y/;
278 my $file;
279 my $skip_info;
281 my $commandlines_loaded =0;
282 my $commandlines_processed =0;
284 my @lab_scripts = <$lab_scripts_path/$lab_scripts_mask>;
285 for $file (@lab_scripts){
287 # Пропускаем файл, если он не изменялся со времени нашего предудущего прохода
288 my $size = (stat($file))[7];
289 next if ($Script_Files{$file} && $Script_Files{$file}->{size} && $Script_Files{$file}->{size} >= $size);
292 my $local_session_id;
293 # Начальное значение идентификатора текущего сеанса определяем из имени скрипта
294 # Впоследствии оно может быть уточнено
295 $file =~ m@.*/([^/]*)\.script$@;
296 $local_session_id = $1;
298 if (not defined($vt{$local_session_id})) {
299 $vt{$local_session_id} = Term::VT102->new (
300 'cols' => $Config{"terminal_width"},
301 'rows' => $Config{"terminal_height"});
302 }
304 #Если файл только что появился,
305 #пытаемся найти и загрузить информацию о соответствующей ему сессии
306 if (!$Script_Files{$file}) {
307 my $session_file = $file;
308 $session_file =~ s/\.script/.info/;
309 if (open(SESSION, $session_file)) {
310 local $/;
311 my $data = <SESSION>;
312 close(SESSION);
314 for my $session_data ($data =~ m@<session>(.*?)</session>@sg) {
315 my %session;
316 while ($session_data =~ m@<([^>]*?)>(.*?)</\1>@sg) {
317 $session{$1} = $2;
318 }
319 $local_session_id = $session{"local_session_id"} if $session{"local_session_id"};
320 $Sessions{$local_session_id}=\%session;
321 }
323 #Загруженную информацию сразу же отправляем в поток
324 print_session($Config{cache}, $local_session_id);
325 }
326 else {
327 die "can't open session file";
328 }
329 }
331 open (FILE, "$file");
332 binmode FILE;
334 # Переходим к тому месту, где мы окончили разбор
335 seek (FILE, $Script_Files{$file}->{tell}, 0) if $Script_Files{$file}->{tell};
336 $Script_Files{$file}->{size} = $size;
337 $Script_Files{$file}->{tell} = 0 unless $Script_Files{$file}->{tell};
339 $file =~ m@.*/(.*?)-.*@;
341 print "\n+- processing file $file\n| "
342 if $Config{"verbose"} =~/y/;
344 my $tty = $1;
345 my %cl;
346 my $last_output_length=0;
347 my $saved_output;
348 while (<FILE>) {
349 $commandlines_processed++;
351 next if s/^Script started on.*?\n//s;
353 if (/[0-9][0-9]:[0-9][0-9]:[0-9][0-9].\[[0-9][0-9]D.\[K/ && m/$cline_re/) {
354 s/.*\x0d(?!\x0a)//;
355 m/$cline_re2/gs;
357 $commandlines_loaded++;
358 $last_output_length=0;
360 # Previous command
361 my %last_cl = %cl;
362 my $this_line = $1;
363 my $err = $2 || "";
365 $cl{"local_session_id"} = $local_session_id;
366 # Parse new command
367 $cl{"uid"} = $3;
368 #$cl{"euid"} = $cl{"uid"}; # Если в команде обнаружится sudo, euid поменяем на 0
369 $cl{"pid"} = $4;
370 $cl{"day"} = $5;
371 $cl{"lab"} = $6;
372 $cl{"hour"} = $7;
373 $cl{"min"} = $8;
374 $cl{"sec"} = $9;
375 #$cl{"fullprompt"} = $10;
376 $cl{"prompt"} = $11;
377 $cl{"raw_cline"} = $12;
379 {
380 use bytes;
381 $cl{"raw_start"} = tell (FILE) - length($this_line);
382 $cl{"raw_output_start"} = tell FILE;
383 }
384 $cl{"raw_file"} = $file;
386 $cl{"err"} = 0;
387 $cl{"output"} = "";
388 $cl{"tty"} = $tty;
390 $cline_vt->process($cl{"raw_cline"}."\n");
391 $cl{"cline"} = $cline_vt->row_plaintext (1);
392 $cl{"cline"} =~ s/\s*$//;
393 $cl{"cline"} =~ s/.*?[\#\$]\s*//;
394 $cline_vt->reset();
396 my %commands = extract_commands_from_cline($cl{"cline"});
397 #$cl{"euid"}=0 if defined $commands{"sudo"};
398 my @comms = sort { $commands{$a} cmp $commands{$b} } keys %commands;
399 $cl{"last_command"} = $comms[$#comms] || "";
401 if (
402 $Config{"suppress_editors"} =~ /^y/i
403 && grep ($_ eq $cl{"last_command"}, @{$Config{"editors"}})
404 || $Config{"suppress_pagers"} =~ /^y/i
405 && grep ($_ eq $cl{"last_command"}, @{$Config{"pagers"}})
406 || $Config{"suppress_terminal"}=~ /^y/i
407 && grep ($_ eq $cl{"last_command"}, @{$Config{"terminal"}})
408 ) {
409 $cl{"suppress_output"} = "1";
410 }
411 else {
412 $cl{"suppress_output"} = "0";
413 }
414 $skip_info = 0;
417 print " ",$cl{"last_command"};
419 if (grep ($_ eq $last_cl{"last_command"}, @{$Config{"editors"}})) {
420 bind_diff(\%last_cl);
421 }
423 # Error code
424 $last_cl{"raw_end"} = $cl{"raw_start"};
425 $last_cl{"err"}=$err;
426 $last_cl{"err"}=130 if $err eq "^C";
429 # Output
430 if (!$last_cl{"suppress_output"} || $last_cl{"err"}) {
431 for (my $i=0; $i<$Config{"terminal_height"}; $i++) {
432 my $line= $vt{$local_session_id}->row_plaintext($i);
433 next if !defined ($line) ; #|| $line =~ /^\s*$/;
434 $line =~ s/\s*$//;
435 $line .= "\n" unless $line =~ /^\s*$/;
436 $last_cl{"output"} .= $line;
437 }
438 }
439 else {
440 $last_cl{"output"}= "";
441 }
443 $vt{$local_session_id}->reset();
446 # Save
447 if (!$Config{"lab"} || $cl{"lab"} eq $Config{"lab"}) {
448 # Changing encoding
449 for (keys %last_cl) {
450 next if /raw/;
451 $last_cl{$_} = $converter->convert($last_cl{$_})
452 if ($Config{"encoding"} &&
453 $Config{"encoding"} !~ /^utf-8$/i);
454 }
455 push @Command_Lines, \%last_cl;
457 # Сохранение позиции в файле, до которой выполнен
458 # успешный разбор
459 $Script_Files{$file}->{tell} = $last_cl{raw_end};
460 }
461 next;
462 }
464 elsif (m/$cline_re_v2/ || m/$cline_re_v3/) {
465 # Разбираем командную строку версии 2
466 my $before=$_;
467 s/.*\x0d(?!\x0a)//;
469 my $re;
470 if (m/$cline_re_v2/) {
471 $re=$cline_re2_v2;
472 }
473 else {
474 s/.\[1K.\[10D//gs;
475 $re=$cline_re2_v3;
476 print STDERR "... $_ ...\n";
477 }
478 m/$re/gs;
480 $commandlines_loaded++;
481 $last_output_length=0;
483 # Previous command
484 my %last_cl = %cl;
486 $cl{"local_session_id"} = $local_session_id;
487 # Parse new command
488 my $this_line = $1;
489 $cl{"history"} = $2;
490 my $err = $3;
491 $cl{"uid"} = $4;
492 #$cl{"euid"} = $cl{"uid"}; # Если в команде обнаружится sudo, euid поменяем на 0
493 $cl{"pid"} = $5;
494 $cl{"time"} = $6;
495 $cl{"pwd"} = $7;
496 $cl{"nonce"} = $8;
497 #$cl{"fullprompt"} = $8;
498 $cl{"prompt"} = $10;
499 #$cl{"raw_cline"}= $10;
500 $cl{"raw_cline"}= $before;
502 {
503 use bytes;
504 $cl{"raw_start"} = tell (FILE) - length($before);
505 $cl{"raw_output_start"} = tell FILE;
506 }
507 $cl{"raw_file"} = $file;
509 $cl{"err"} = 0;
510 $cl{"output"} = "";
511 #$cl{"tty"} = $tty;
513 $cline_vt->process($cl{"raw_cline"}."\n");
514 $cl{"cline"} = $cline_vt->row_plaintext (1);
515 $cl{"cline"} =~ s/\s*$//;
516 $cl{"cline"} =~ s/.*?[\#\$]\s*//;
517 $cline_vt->reset();
518 print STDERR "cline=".$cl{"cline"}."<<\n";
520 my %commands = extract_commands_from_cline($cl{"cline"});
521 #$cl{"euid"} = 0 if defined $commands{"sudo"};
522 my @comms = sort { $commands{$a} cmp $commands{$b} } keys %commands;
523 $cl{"last_command"}
524 = $comms[$#comms] || "";
526 print STDERR "last_command=".$cl{"last_command"}."<<\n";
528 if (
529 $Config{"suppress_editors"} =~ /^y/i
530 && grep ($_ eq $cl{"last_command"}, @{$Config{"editors"}})
531 || $Config{"suppress_pagers"} =~ /^y/i
532 && grep ($_ eq $cl{"last_command"}, @{$Config{"pagers"}})
533 || $Config{"suppress_terminal"}=~ /^y/i
534 && grep ($_ eq $cl{"last_command"}, @{$Config{"terminal"}})
535 ) {
536 $cl{"suppress_output"} = "1";
537 }
538 else {
539 $cl{"suppress_output"} = "0";
540 }
541 $skip_info = 0;
543 if ($Config{verbose} =~ /y/i) {
544 print "\n| " if $commandlines_loaded % 5 == 1;
545 print " ",$cl{"last_command"};
546 }
548 if (defined($last_cl{time})
549 && grep ($_ eq $last_cl{"last_command"}, @{$Config{"editors"}})) {
550 bind_diff(\%last_cl);
551 }
553 # Error code
554 $last_cl{"err"}=$err;
555 $last_cl{"raw_end"} = $cl{"raw_start"};
557 # Output
558 if (!$last_cl{"suppress_output"} || $last_cl{"err"}) {
559 $last_cl{"output"}=$saved_output;
560 for (my $i=0; $i<$Config{"terminal_height"}; $i++) {
561 my $line= $vt{$local_session_id}->row_plaintext($i);
562 next if !defined ($line) ; #|| $line =~ /^\s*$/;
563 $line =~ s/\s*$//;
564 $line .= "\n" unless $line =~ /^\s*$/;
565 $last_cl{"output"} .= $line;
566 }
567 }
568 else {
569 $last_cl{"output"}= "";
570 }
572 $vt{$local_session_id}->reset();
573 $saved_output="";
576 # Changing encoding
577 for (keys %last_cl) {
578 next if /raw/;
579 if ($Config{"encoding"} &&
580 $Config{"encoding"} !~ /^utf-8$/i) {
581 $last_cl{$_} = $converter->convert($last_cl{$_})
582 }
583 }
584 if (defined($last_cl{time})) {
585 print STDERR "push id=".$last_cl{time}."\n";
586 push @Command_Lines, \%last_cl;
587 # Сохранение позиции в файле, до которой выполнен
588 # успешный разбор
589 $Script_Files{$file}->{tell} = $last_cl{raw_end};
590 }
591 next;
592 }
594 if (($commandlines_processed%100) == 0) {
595 # Каждые сто строк обнуляем терминал и переносим вывод из него в кэш
596 # Output
597 for (my $i=0; $i<$Config{"terminal_height"}; $i++) {
598 my $line= $vt{$local_session_id}->row_plaintext($i);
599 next if !defined ($line) ; #|| $line =~ /^\s*$/;
600 $line =~ s/\s*$//;
601 $line .= "\n" unless $line =~ /^\s*$/;
602 $saved_output .= $line;
603 }
604 $vt{$local_session_id}->reset();
605 $last_output_length=0;
606 }
608 # Иначе, это строка вывода
610 $last_output_length+=length($_);
611 #if (!$cl{"suppress_output"} || $last_output_length < 5000) {
612 if ($last_output_length < 50000) {
613 $vt{$local_session_id}->process("$_"."\n")
614 }
615 else
616 {
617 if (!$skip_info && defined($cl{last_command})) {
618 print "($cl{last_command})";
619 $skip_info = 1;
620 }
621 }
622 }
623 close(FILE);
625 }
626 if ($Config{"verbose"} =~ /y/) {
627 print "\n`- finished.\n" ;
628 print "Lines loaded: $commandlines_processed\n";
629 print "Command lines: $commandlines_loaded\n";
630 }
631 }
636 sub sort_command_lines
637 {
638 print "Sorting command lines..." if $Config{"verbose"} =~ /y/;
640 # Sort Command_Lines
641 # Write Command_Lines to Command_Lines_Index
643 my @index;
644 for (my $i=0;$i<=$#Command_Lines;$i++) {
645 $index[$i]=$i;
646 }
648 @Command_Lines_Index = sort {
649 defined($Command_Lines[$index[$a]]->{"time"})
650 && defined($Command_Lines[$index[$b]]->{"time"})
651 ? $Command_Lines[$index[$a]]->{"time"} <=> $Command_Lines[$index[$b]]->{"time"}
652 : defined($Command_Lines[$index[$a]]->{"day"})
653 && defined($Command_Lines[$index[$b]]->{"day"})
654 && defined($Command_Lines[$index[$a]]->{"hour"})
655 && defined($Command_Lines[$index[$b]]->{"hour"})
656 && defined($Command_Lines[$index[$a]]->{"min"})
657 && defined($Command_Lines[$index[$b]]->{"min"})
658 && defined($Command_Lines[$index[$a]]->{"sec"})
659 && defined($Command_Lines[$index[$b]]->{"sec"})
660 ? $Command_Lines[$index[$a]]->{"day"} cmp $Command_Lines[$index[$b]]->{"day"}
661 || $Command_Lines[$index[$a]]->{"hour"} <=> $Command_Lines[$index[$b]]->{"hour"}
662 || $Command_Lines[$index[$a]]->{"min"} <=> $Command_Lines[$index[$b]]->{"min"}
663 || $Command_Lines[$index[$a]]->{"sec"} <=> $Command_Lines[$index[$b]]->{"sec"}
664 : 0
665 } @index;
667 print "finished\n" if $Config{"verbose"} =~ /y/;
669 }
671 sub printq
672 {
673 my $TO = shift;
674 my $text = join "", @_;
675 $text =~ s/&/&/g;
676 $text =~ s/</</g;
677 $text =~ s/>/>/g;
678 print $TO $text;
679 }
682 =cut
683 Вывести результат обработки журнала.
684 =cut
686 sub print_command_lines
687 {
688 my $output_filename=$_[0];
689 open(OUT, ">>", $output_filename)
690 or die "Can't open $output_filename for writing\n";
693 my $cl;
694 my $in_range=0;
695 for my $i (@Command_Lines_Index) {
696 $cl = $Command_Lines[$i];
698 if ($Config{"from"} && $cl->{"cline"} =~ /$Config{"signature"}\s*$Config{"from"}/) {
699 $in_range=1;
700 next;
701 }
702 if ($Config{"to"} && $cl->{"cline"} =~ /$Config{"signature"}\s*$Config{"to"}/) {
703 $in_range=0;
704 next;
705 }
706 next if ($Config{"from"} && $Config{"to"} && !$in_range)
707 ||
708 ($Config{"skip_empty"} =~ /^y/i && $cl->{"cline"} =~ /^\s*$/ )
709 ||
710 ($Config{"skip_wrong"} =~ /^y/i && $cl->{"err"} != 0)
711 ||
712 ($Config{"skip_interrupted"} =~ /^y/i && $cl->{"err"} == 130);
714 # Вырезаем из вывода только нужное количество строк
716 my $output="";
718 if (!grep ($_ eq $cl->{"last_command"}, @{$Config{"full_output_commands"}})
719 && ($Config{"head_lines"}
720 || $Config{"tail_lines"})) {
721 # Partialy output
722 my @lines = split '\n', $cl->{"output"};
723 # head
724 my $mark=1;
725 for (my $i=0; $i<= $#lines && $i < $Config{"cache_head_lines"}; $i++) {
726 $output .= $lines[$i]."\n";
727 }
728 # tail
729 my $start=$#lines-$Config{"cache_tail_lines"}+1;
730 if ($start < 0) {
731 $start=0;
732 $mark=0;
733 }
734 if ($start < $Config{"cache_head_lines"}) {
735 $start=$Config{"cache_head_lines"};
736 $mark=0;
737 }
738 $output .= $Config{"skip_text"}."\n" if $mark;
739 for ($i=$start; $i<= $#lines; $i++) {
740 $output .= $lines[$i]."\n";
741 }
742 }
743 else {
744 # Full output
745 $output .= $cl->{"output"};
746 }
748 # Совместимость с labmaker
750 # Переводим в секунды Эпохи
751 # В labmaker'е данные хранились в неудобной форме: hour, min, sec, day of year
752 # Информация о годе отсутствовала
753 # Её можно внести:
754 # Декабрь 2004 год; остальные -- 2005 год.
756 my $year = 2005;
757 #$year = 2004 if ( $cl->{day} > 330 );
758 $year = $Config{year} if $Config{year};
759 # timelocal( $sec, $min, $hour, $mday,$mon,$year);
760 $cl->{time} ||= timelocal_nocheck($cl->{sec},$cl->{min},$cl->{hour},$cl->{day},0,$year);
763 # Начинаем вывод команды
764 print OUT "<command>\n";
765 print OUT "<l3cd>$Config{l3cd}</l3cd>\n" if $Config{"l3cd"};
766 for my $element (qw(
767 local_session_id
768 history
769 uid
770 pid
771 time
772 pwd
773 raw_start
774 raw_output_start
775 raw_end
776 raw_file
777 tty
778 err
779 last_command
780 history
781 nonce
782 )) {
783 next unless defined($cl->{"$element"});
784 print OUT "<$element>".$cl->{$element}."</$element>\n";
785 }
786 for my $element (qw(
787 prompt
788 cline
789 )) {
790 next unless defined($cl->{"$element"});
791 print OUT "<$element>";
792 printq(\*OUT,$cl->{"$element"});
793 print OUT "</$element>\n";
794 }
795 #note
796 #note_title
797 print OUT "<output>";
798 printq(\*OUT,$output);
799 print OUT "</output>\n";
800 if ($cl->{"diff"}) {
801 print OUT "<diff>";
802 printq(\*OUT,${$Diffs{$cl->{"diff"}}}{"text"});
803 print OUT "</diff>\n";
804 }
805 print OUT "</command>\n";
807 }
809 close(OUT);
810 }
812 sub print_session
813 {
814 my $output_filename = $_[0];
815 my $local_session_id = $_[1];
816 return if not defined($Sessions{$local_session_id});
818 print "printing session info. session id = ".$local_session_id."\n"
819 if $Config{verbose} =~ /y/;
821 open(OUT, ">>", $output_filename)
822 or die "Can't open $output_filename for writing\n";
823 print OUT "<session>\n";
824 print OUT "<l3cd>$Config{l3cd}</l3cd>\n" if $Config{"l3cd"};
825 my %session = %{$Sessions{$local_session_id}};
826 for my $key (keys %session) {
827 print OUT "<$key>".$session{$key}."</$key>\n";
828 print " ".$key,"\n";
829 }
830 print OUT "</session>\n";
831 close(OUT);
832 }
834 sub send_cache
835 {
836 # Если в кэше что-то накопилось,
837 # попытаемся отправить это на сервер
838 #
839 my $cache_was_sent=0;
841 if (open(CACHE, $Config{cache})) {
842 local $/;
843 my $cache = <CACHE>;
844 close(CACHE);
846 my $socket = IO::Socket::INET->new(
847 PeerAddr => $Config{backend_address},
848 PeerPort => $Config{backend_port},
849 proto => "tcp",
850 Type => SOCK_STREAM
851 );
853 if ($socket) {
854 print $socket $cache;
855 close($socket);
856 $cache_was_sent = 1;
857 }
858 }
859 return $cache_was_sent;
860 }
862 sub save_cache_stat
863 {
864 open (CACHE, ">$Config{cache_stat}");
865 for my $f (keys %Script_Files) {
866 print CACHE "$f\t",$Script_Files{$f}->{size},"\t",$Script_Files{$f}->{tell},"\n";
867 }
868 close(CACHE);
869 }
871 sub load_cache_stat
872 {
873 if (open (CACHE, "$Config{cache_stat}")) {
874 while(<CACHE>) {
875 chomp;
876 my ($f, $size, $tell) = split /\t/;
877 $Script_Files{$f}->{size} = $size;
878 $Script_Files{$f}->{tell} = $tell;
879 }
880 close(CACHE);
881 };
882 }
885 main();
887 sub process_was_killed
888 {
889 $Killed = 1;
890 }
892 sub reload
893 {
894 init_config;
895 }
897 sub main
898 {
900 $| = 1;
902 init_variables();
903 init_config();
906 if ($Config{"mode"} ne "daemon") {
908 # В нормальном режиме работы нужно
909 # считать скрипты, обработать их и записать
910 # результат выполнения в результирующий файл.
911 # После этого завершить работу.
913 # Очистим кэш-файл, если он существовал
914 if (open (CACHE, ">", $Config{"cache"})) {
915 close(CACHE);
916 };
917 load_command_lines($Config{"input"}, $Config{"input_mask"});
918 sort_command_lines;
919 #process_command_lines;
920 print_command_lines($Config{"cache"});
921 }
922 else {
923 if (open(PIDFILE, $Config{agent_pidfile})) {
924 my $pid = <PIDFILE>;
925 close(PIDFILE);
926 if ($^O eq 'linux' && $pid &&(! -e "/proc/$pid" || !`grep $Config{"l3-agent"} /proc/$pid/cmdline && grep "uid:.*\b$<\b" /proc/$pid/status`)) {
927 print "Removing stale pidfile\n";
928 unlink $Config{agent_pidfile}
929 or die "Can't remove stale pidfile ". $Config{agent_pidfile}. " : $!";
930 }
931 elsif ($^O eq 'freebsd' && defined($pid) && $pid ne "" && not `ps axo uid,pid,command | grep '$< $pid $Config{"l3-agent"}' | grep -v grep 2> /dev/null`) {
932 print "Removing stale pidfile\n";
933 unlink $Config{agent_pidfile}
934 or die "Can't remove stale pidfile ". $Config{agent_pidfile}. " : $!";
935 }
936 elsif ($^O eq 'linux' || $^O eq 'freebsd' ) {
937 print "l3-agent is already running: pid=$pid; pidfile=$Config{agent_pidfile}\n";
938 exit(0);
939 }
940 else {
941 print "Unknown operating system";
942 exit(0);
943 }
944 }
945 if ($Config{detach} =~ /^y/i) {
946 #$Config{verbose} = "no";
947 my $pid = fork;
948 exit if $pid;
949 die "Couldn't fork: $!" unless defined ($pid);
951 open(PIDFILE, ">", $Config{agent_pidfile})
952 or die "Can't open pidfile ". $Config{agent_pidfile}. " for wrting: $!";
953 print PIDFILE $$;
954 close(PIDFILE);
956 for my $handle (*STDIN, *STDOUT, *STDERR) {
957 open ($handle, "+<", "/dev/null")
958 or die "can't reopen $handle to /dev/null: $!"
959 }
961 POSIX::setsid()
962 or die "Can't start a new session: $!";
964 $0 = $Config{"l3-agent"};
966 $SIG{INT} = $SIG{TERM} = \&process_was_killed;
967 $SIG{HUP} = \&reload;
969 }
970 while (not $Killed) {
971 @Command_Lines = ();
972 @Command_Lines_Index = ();
973 load_cache_stat();
974 load_command_lines($Config{"input"}, $Config{"input_mask"});
975 if (@Command_Lines) {
976 sort_command_lines;
977 #process_command_lines;
978 print_command_lines($Config{"cache"});
979 }
980 save_cache_stat();
981 if (-e $Config{cache} && (stat($Config{cache}))[7]) {
982 send_cache() && unlink($Config{cache});
983 }
984 sleep($Config{"daemon_sleep_interval"} || 1);
985 }
987 unlink $Config{agent_pidfile};
988 }
990 }
992 sub init_variables
993 {
994 }