lilalo
view l3-agent @ 117:9bb58a1eee2b
l3prompt minifix $_[0] -> $ARGV[0]
| author | igor | 
|---|---|
| date | Mon Mar 10 01:30:07 2008 +0200 (2008-03-10) | 
| parents | 658b4ea105c1 | 
| children | 71bd999bcb04 | 
 line source
     1 #!/usr/bin/perl -w
     3 #
     4 # (c) Igor Chubin, igor@chub.in, 2004-2006
     5 #
     8 ## Эта строчка добавлена из блокнота Windows
     9 ## Надо отдать должное, он каким-то образом научился понимать кодировку
    11 use strict;
    12 use POSIX;
    13 use Term::VT102;
    14 use Text::Iconv;
    15 use Time::Local 'timelocal_nocheck';
    16 use IO::Socket;
    18 use lib "/etc/lilalo";
    19 use l3config;
    22 our @Command_Lines;
    23 our @Command_Lines_Index;
    24 our %Diffs;
    25 our %Sessions;
    27 our %Script_Files;  # Информация о позициях в скрипт-файлах, 
    28                     # до которых уже выполнен разбор
    29                     # и информация о времени модификации файла
    30                     #   $Script_Files{$file}->{size}
    31                     #   $Script_Files{$file}->{tell}
    33 our $Killed =0;     # В режиме демона -- процесс получил сигнал о завершении
    35 sub init_variables;
    36 sub main;
    38 sub load_diff_files;
    39 sub bind_diff;
    40 sub extract_commands_from_cline;
    41 sub load_command_lines;
    42 sub sort_command_lines;
    43 sub print_command_lines;
    44 sub printq;
    46 sub save_cache_stat;
    47 sub load_cache_stat;
    48 sub print_session;
    50 sub load_diff_files
    51 {
    52     my @pathes = @_;
    54     for my $path (@pathes) {
    55         my $template = "*.diff";
    56         my @files = <$path/$template>;
    57         my $i=0;
    58         for my $file (@files) {
    60             next if defined($Diffs{$file});
    61             my %diff;
    63 # Старый формат имени diff-файла
    64 # DEPRECATED
    65             if ($file=~m@/(D?[0-9][0-9]?[0-9]?)[^/]*?([0-9]*):([0-9]*):?([0-9]*)@) {
    66                 $diff{"day"}=$1 || "";
    67                 $diff{"hour"}=$2;
    68                 $diff{"min"}=$3;
    69                 $diff{"sec"}=$4 || 0;
    71                 $diff{"uid"} = 0 if $path =~ m@/root/@; 
    73             print "diff loaded: $diff{day} $diff{hour}:$diff{min}:$diff{sec}\n";
    75             }
    76 # Новый формат имени diff-файла
    77             elsif ($file =~ m@.*/([^_]*)_([0-9]+)(.*)@) {
    78                 $diff{"local_session_id"} = $1;
    79                 $diff{"time"} = $2;
    80                 $diff{"filename"} = $3;
    81                 $diff{"filename"} =~ s@_@/@g;
    82                 $diff{"filename"} =~ s@//@_@g;
    84                 print "diff loaded: $diff{filename} (time=$diff{time},session=$diff{local_session_id})\n";
    85             }
    86             else {
    87                 next;
    88             }
    90 # Чтение и изменение кодировки содержимого diff-файла
    91             local $/;
    92             open (F, "$file")
    93                 or return "Can't open file $file ($_[0]) for reading";
    94             my $text = <F>;
    95             if ($Config{"encoding"} && $Config{"encoding"} !~ /^utf-8$/i) {
    96                 my $converter = Text::Iconv->new($Config{"encoding"}, "utf-8");
    97                 $text = $converter->convert($text);
    98             }
    99             close(F);   
   100             $diff{"text"}=$text;
   102             $diff{"path"}=$path;
   103             $diff{"bind_to"}="";
   104             $diff{"time_range"}=-1;
   105             $diff{"index"}=$i;
   107             $Diffs{$file} = \%diff;
   108             $i++;
   109         }
   110     }   
   111 }
   114 sub bind_diff
   115 {
   116     print "Trying to bind diff...\n";
   118     my $cl = shift;
   119     my $hour = $cl->{"hour"};
   120     my $min = $cl->{"min"};
   121     my $sec = $cl->{"sec"};
   123     my $min_dt = 10000;
   125     for my $diff_key (keys %Diffs) {
   126             my $diff = $Diffs{$diff_key};
   127             next if ($diff->{"local_session_id"} 
   128                     && $cl->{"local_session_id"} 
   129                     && ($cl->{"local_session_id"} ne $diff->{"local_session_id"}));
   131             next if ($diff->{"day"} && $cl->{"day"} && ($cl->{"day"} ne $diff->{"day"}));
   133             my $dt;
   134             if ($diff->{"time"} && $cl->{"time"}) {
   135                 $dt = $diff->{"time"} - $cl->{"time"}
   136             }
   137             else {
   138                 $dt=($diff->{"hour"}-$hour)*3600 +($diff->{"min"}-$min)*60 + ($diff->{"sec"}-$sec);
   139             }
   140             if ($dt >0  
   141                     && $dt < $min_dt 
   142                     && ($diff->{"time_range"} <0 
   143                     || $dt < $diff->{"time_range"})) {
   144                 print "Approppriate diff found: dt=$dt\n";
   145                 if ($diff->{"bind_to"}) {
   146                     undef $diff->{"bind_to"}->{"diff"};
   147                 };
   148                 $diff->{"time_range"}=$dt;
   149                 $diff->{"bind_to"}=$cl;
   151                 $cl->{"diff"} = $diff_key;
   152                 $min_dt = $dt;  
   153             }
   154     }
   155 }
   158 sub extract_commands_from_cline
   159 # Разобрать командную строку $_[1] и возвратить хэш, содержащий 
   160 # номер первого появление команды в строке:
   161 #   команда => первая позиция
   162 {
   163     my $cline = $_[0];
   164     my @lists = split /\;/, $cline;
   167     my @commands = ();
   168     for my $list (@lists) {
   169         push @commands, split /\|/, $list;
   170     }
   172     my %commands;
   173     my %files;
   174     my $i=0;
   175     for my $command (@commands) {
   176         $command =~ /\s*(\S+)\s*(.*)/;
   177         if ($1 && $1 eq "sudo" ) {
   178             $commands{"$1"}=$i++;
   179             $command =~ s/\s*sudo\s+//;
   180         }
   181         $command =~ /\s*(\S+)\s*(.*)/;
   182         if ($1 && !defined $commands{"$1"}) {
   183                 $commands{"$1"}=$i++;
   184         };  
   185     }
   186     return %commands;
   187 }
   189 sub load_command_lines
   190 {
   191     my $lab_scripts_path = $_[0];
   192     my $lab_scripts_mask = $_[1];
   194     my $cline_re_base = qq'
   195             (
   196             (?:\\^?([0-9]*C?))          # exitcode
   197             (?:_([0-9]+)_)?             # uid
   198             (?:_([0-9]+)_)              # pid
   199             (...?)                  # day
   200             (.?.?)                  # lab
   201             \\s                 # space separator
   202             ([0-9][0-9]):([0-9][0-9]):([0-9][0-9])  # time
   203             .\\[50D.\\[K                # killing symbols
   204             (.*?([\$\#]\\s?))           # prompt
   205             (.*)                    # command line
   206             )
   207             ';
   208     my $cline_re = qr/$cline_re_base/sx;
   209     my $cline_re2 = qr/$cline_re_base$/sx;
   211     my $cline_re_v2_base = qq'
   212             (
   213             v2[\#]                      # version
   214             ([0-9]+)[\#]                # history line number
   215             ([0-9]+)[\#]                # exitcode
   216             ([0-9]+)[\#]                # uid
   217             ([0-9]+)[\#]                # pid
   218             ([0-9]+)[\#]                # time
   219             (.*?)[\#]                   # pwd
   220             .\\[1024D.\\[K              # killing symbols
   221             (.*?([\$\#]\\s?))           # prompt
   222             (.*)                        # command line
   223             )
   224             ';
   226     my $cline_re_v2 = qr/$cline_re_v2_base/sx;
   227     my $cline_re2_v2 = qr/$cline_re_v2_base$/sx;
   229     my $cline_re_v3_base = qq'
   230             (
   231             v3[\#]                      # version
   232             .*
   233             )
   234             ';
   235     my $cline_re_v3 = qr/$cline_re_v3_base/sx;
   237     my $cline_re2_v3_base = qq'
   238             (
   239             v3[\#]                      # version
   240             ([0-9]+)[\#]                # history line number
   241             ([0-9]+)[\#]                # exitcode
   242             ([0-9]+)[\#]                # uid
   243             ([0-9]+)[\#]                # pid
   244             ([0-9]+)[\#]                # time
   245             (.*?)[\#]                   # pwd
   246             (.*?([\$\#]\\s?))           # prompt
   247             (.*)                        # command line
   248             )
   249             ';
   250     my $cline_re2_v3 = qr/$cline_re2_v3_base$/sx;
   253     my %vt;     # Хэш виртуальных терминалов. По одному на каждый сеанс
   254     my $cline_vt = Term::VT102->new (
   255                                 'cols' => $Config{"terminal_width"}, 
   256                                 'rows' => $Config{"terminal_height"});
   258     my $converter = Text::Iconv->new($Config{"encoding"}, "utf-8")
   259         if ($Config{"encoding"} && $Config{"encoding"} !~ /^utf-8$/i);
   261     print "Parsing lab scripts...\n" if $Config{"verbose"} =~ /y/;
   263     my $file;
   264     my $skip_info;
   266     my $commandlines_loaded =0;
   267     my $commandlines_processed =0;
   269     my @lab_scripts = <$lab_scripts_path/$lab_scripts_mask>;
   270     for $file (@lab_scripts){
   272         # Пропускаем файл, если он не изменялся со времени нашего предудущего прохода
   273         my $size = (stat($file))[7];
   274         next if ($Script_Files{$file} && $Script_Files{$file}->{size} && $Script_Files{$file}->{size} >= $size);
   277         my $local_session_id;
   278         # Начальное значение идентификатора текущего сеанса определяем из имени скрипта
   279         # Впоследствии оно может быть уточнено
   280         $file =~ m@.*/([^/]*)\.script$@;
   281         $local_session_id = $1;
   283         if (not defined($vt{$local_session_id})) {
   284             $vt{$local_session_id} = Term::VT102->new ( 
   285                                         'cols' => $Config{"terminal_width"}, 
   286                                         'rows' => $Config{"terminal_height"});
   287         }
   289         #Если файл только что появился, 
   290         #пытаемся найти и загрузить информацию о соответствующей ему сессии
   291         if (!$Script_Files{$file}) {
   292             my $session_file = $file;
   293             $session_file =~ s/\.script/.info/;
   294             if (open(SESSION, $session_file)) {
   295                 local $/;
   296                 my $data = <SESSION>;
   297                 close(SESSION);
   299                 for my $session_data ($data =~ m@<session>(.*?)</session>@sg) {
   300                     my %session;
   301                     while ($session_data =~ m@<([^>]*?)>(.*?)</\1>@sg) {
   302                         $session{$1} = $2;
   303                     }
   304                     $local_session_id = $session{"local_session_id"} if $session{"local_session_id"};
   305                     $Sessions{$local_session_id}=\%session;
   306                 }
   308                 #Загруженную информацию сразу же отправляем в поток
   309                 print_session($Config{cache}, $local_session_id);
   310             }
   311             else {
   312                 die "can't open session file";
   313             }
   314         }
   316         open (FILE, "$file");
   317         binmode FILE;
   319         # Переходим к тому месту, где мы окончили разбор
   320         seek (FILE, $Script_Files{$file}->{tell}, 0) if $Script_Files{$file}->{tell};
   321         $Script_Files{$file}->{size} = $size;
   322         $Script_Files{$file}->{tell} = 0 unless $Script_Files{$file}->{tell};
   324         $file =~ m@.*/(.*?)-.*@;
   326         print "\n+- processing file $file\n|   " 
   327             if $Config{"verbose"} =~/y/;
   329         my $tty = $1;
   330         my $first_pass = 1;
   331         my %cl;
   332         my $last_output_length=0;
   333         while (<FILE>) {
   334             $commandlines_processed++;
   336             next if s/^Script started on.*?\n//s;
   338             if (/[0-9][0-9]:[0-9][0-9]:[0-9][0-9].\[[0-9][0-9]D.\[K/ && m/$cline_re/) {
   339                 s/.*\x0d(?!\x0a)//;
   340                 m/$cline_re2/gs;
   342                 $commandlines_loaded++;
   343                 $last_output_length=0;
   345                 # Previous command
   346                 my %last_cl = %cl;
   347                 my $err = $2 || "";
   349                 $cl{"local_session_id"} = $local_session_id;
   350                 # Parse new command 
   351                 $cl{"uid"} = $3;
   352                 #$cl{"euid"} = $cl{"uid"};   # Если в команде обнаружится sudo, euid поменяем на 0
   353                 $cl{"pid"} = $4;
   354                 $cl{"day"} = $5;
   355                 $cl{"lab"} = $6;
   356                 $cl{"hour"} = $7;
   357                 $cl{"min"} = $8;
   358                 $cl{"sec"} = $9;
   359                 #$cl{"fullprompt"} = $10;
   360                 $cl{"prompt"} = $11;
   361                 $cl{"raw_cline"} = $12; 
   363                 {
   364                 use bytes;
   365                 $cl{"raw_start"} = tell (FILE) - length($1);
   366                 $cl{"raw_output_start"} = tell FILE;
   367                 }
   368                 $cl{"raw_file"} = $file;
   370                 $cl{"err"} = 0;
   371                 $cl{"output"} = "";
   372                 $cl{"tty"} = $tty;
   374                 $cline_vt->process($cl{"raw_cline"}."\n");
   375                 $cl{"cline"} = $cline_vt->row_plaintext (1);
   376                 $cl{"cline"} =~ s/\s*$//;
   377                 $cline_vt->reset();
   379                 my %commands = extract_commands_from_cline($cl{"cline"});
   380                 #$cl{"euid"}=0 if defined $commands{"sudo"};
   381                 my @comms = sort { $commands{$a} cmp $commands{$b} } keys %commands; 
   382                 $cl{"last_command"} = $comms[$#comms] || ""; 
   384                 if (
   385                     $Config{"suppress_editors"} =~ /^y/i 
   386                         && grep ($_ eq $cl{"last_command"}, @{$Config{"editors"}}) 
   387                     || $Config{"suppress_pagers"}  =~ /^y/i 
   388                         && grep ($_ eq $cl{"last_command"}, @{$Config{"pagers"}}) 
   389                     || $Config{"suppress_terminal"}=~ /^y/i 
   390                         && grep ($_ eq $cl{"last_command"}, @{$Config{"terminal"}})
   391                 ) {
   392                     $cl{"suppress_output"} = "1";
   393                 }
   394                 else {
   395                     $cl{"suppress_output"} = "0";
   396                 }
   397                 $skip_info = 0;
   400                 print " ",$cl{"last_command"};
   402                 # Processing previous command line
   403                 if ($first_pass) {
   404                     $first_pass = 0;
   405                     next;
   406                 }
   408                 # Error code
   409                 $last_cl{"raw_end"} = $cl{"raw_start"};
   410                 $last_cl{"err"}=$err;
   411                 $last_cl{"err"}=130 if $err eq "^C";
   413                 if (grep ($_ eq $last_cl{"last_command"}, @{$Config{"editors"}})) {
   414                     bind_diff(\%last_cl);
   415                 }
   417                 # Output
   418                 if (!$last_cl{"suppress_output"} || $last_cl{"err"}) {
   419                     for (my $i=0; $i<$Config{"terminal_height"}; $i++) {
   420                         my $line= $vt{$local_session_id}->row_plaintext($i);
   421                         next if !defined ($line) ; #|| $line =~ /^\s*$/;
   422                         $line =~ s/\s*$//;
   423                         $line .= "\n" unless $line =~ /^\s*$/;
   424                         $last_cl{"output"} .= $line;
   425                     }
   426                 }
   427                 else {
   428                     $last_cl{"output"}= "";
   429                 }
   431                 $vt{$local_session_id}->reset();
   434                 # Save 
   435                 if (!$Config{"lab"} || $cl{"lab"} eq $Config{"lab"}) {
   436                     # Changing encoding 
   437                     for (keys %last_cl) {
   438                         next if /raw/;
   439                         $last_cl{$_} = $converter->convert($last_cl{$_})
   440                             if ($Config{"encoding"} && 
   441                             $Config{"encoding"} !~ /^utf-8$/i);
   442                     }
   443                     push @Command_Lines, \%last_cl; 
   445                     # Сохранение позиции в файле, до которой выполнен
   446                     # успешный разбор
   447                     $Script_Files{$file}->{tell} = $last_cl{raw_end};
   448                 }   
   449                 next;
   450             }
   452             elsif (m/$cline_re_v2/ || m/$cline_re_v3/) {
   453 # Разбираем командную строку версии 2
   455                 s/.*\x0d(?!\x0a)//;
   456                 my $re;
   457                 if (m/$cline_re_v2/) {
   458                     $re=$cline_re2_v2;
   459                 }
   460                 else {
   461                     s/.\[1K.\[10D//gs;
   462                     $re=$cline_re2_v3;
   463                 }
   464                 m/$re/gs;
   466                 $commandlines_loaded++;
   467                 $last_output_length=0;
   469                 # Previous command
   470                 my %last_cl = %cl;
   472                 $cl{"local_session_id"} = $local_session_id;
   473                 # Parse new command 
   474                 $cl{"history"}  = $2;
   475                 my $err         = $3;
   476                 $cl{"uid"}      = $4;
   477                 #$cl{"euid"}     = $cl{"uid"};   # Если в команде обнаружится sudo, euid поменяем на 0
   478                 $cl{"pid"}      = $5;
   479                 $cl{"time"}     = $6;
   480                 $cl{"pwd"}      = $7;
   481                 #$cl{"fullprompt"} = $8;
   482                 $cl{"prompt"}   = $9;
   483                 $cl{"raw_cline"}= $10; 
   485                 {
   486                 use bytes;
   487                 $cl{"raw_start"} = tell (FILE) - length($1);
   488                 $cl{"raw_output_start"} = tell FILE;
   489                 }
   490                 $cl{"raw_file"} = $file;
   492                 $cl{"err"}      = 0;
   493                 $cl{"output"}   = "";
   494                 #$cl{"tty"}     = $tty;
   496                 $cline_vt->process($cl{"raw_cline"}."\n");
   497                 $cl{"cline"}    = $cline_vt->row_plaintext (1);
   498                 $cl{"cline"}    =~ s/\s*$//;
   499                 $cline_vt->reset();
   501                 my %commands    = extract_commands_from_cline($cl{"cline"});
   502                 #$cl{"euid"}     = 0 if defined $commands{"sudo"};
   503                 my @comms       = sort { $commands{$a} cmp $commands{$b} } keys %commands; 
   504                 $cl{"last_command"} 
   505                                 = $comms[$#comms] || ""; 
   507                 if (
   508                     $Config{"suppress_editors"} =~ /^y/i 
   509                         && grep ($_ eq $cl{"last_command"}, @{$Config{"editors"}}) 
   510                     || $Config{"suppress_pagers"}  =~ /^y/i 
   511                         && grep ($_ eq $cl{"last_command"}, @{$Config{"pagers"}}) 
   512                     || $Config{"suppress_terminal"}=~ /^y/i 
   513                         && grep ($_ eq $cl{"last_command"}, @{$Config{"terminal"}})
   514                 ) {
   515                     $cl{"suppress_output"} = "1";
   516                 }
   517                 else {
   518                     $cl{"suppress_output"} = "0";
   519                 }
   520                 $skip_info = 0;
   523                 if ($Config{verbose} =~ /y/i) {
   524                     print "\n|   " if $commandlines_loaded % 5 == 1;
   525                     print " ",$cl{"last_command"};
   526                 }
   528                 # Processing previous command line
   529                 if ($first_pass) {
   530                     $first_pass = 0;
   531                     next;
   532                 }
   534                 # Error code
   535                 $last_cl{"err"}=$err;
   536                 $last_cl{"raw_end"} = $cl{"raw_start"};
   538                 if (grep ($_ eq $last_cl{"last_command"}, @{$Config{"editors"}})) {
   539                     bind_diff(\%last_cl);
   540                 }
   542                 # Output
   543                 if (!$last_cl{"suppress_output"} || $last_cl{"err"}) {
   544                     for (my $i=0; $i<$Config{"terminal_height"}; $i++) {
   545                         my $line= $vt{$local_session_id}->row_plaintext($i);
   546                         next if !defined ($line) ; #|| $line =~ /^\s*$/;
   547                         $line =~ s/\s*$//;
   548                         $line .= "\n" unless $line =~ /^\s*$/;
   549                         $last_cl{"output"} .= $line;
   550                     }
   551                 }
   552                 else {
   553                     $last_cl{"output"}= "";
   554                 }
   556                 $vt{$local_session_id}->reset();
   559                 # Changing encoding 
   560                 for (keys %last_cl) {
   561                     next if /raw/;
   562                     if ($Config{"encoding"} && 
   563                         $Config{"encoding"} !~ /^utf-8$/i) {
   564                         $last_cl{$_} = $converter->convert($last_cl{$_})
   565                     }
   566                 }
   567                 push @Command_Lines, \%last_cl; 
   569                 # Сохранение позиции в файле, до которой выполнен
   570                 # успешный разбор
   571                 $Script_Files{$file}->{tell} = $last_cl{raw_end};
   573                 next;
   575             }
   577 # Иначе, это строка вывода
   579             $last_output_length+=length($_);
   580             #if (!$cl{"suppress_output"} || $last_output_length < 5000) {
   581             if ($last_output_length < 50000) {
   582                 $vt{$local_session_id}->process("$_"."\n") 
   583             }
   584             else
   585             {
   586                 if (!$skip_info) {
   587                     print "($cl{last_command})";
   588                     $skip_info = 1;
   589                 }
   590             }
   591         }   
   592         close(FILE);
   594     }
   595     if ($Config{"verbose"} =~ /y/) {
   596         print "\n`- finished.\n" ;
   597         print "Lines loaded: $commandlines_processed\n";
   598         print "Command lines: $commandlines_loaded\n";
   599     }
   600 }
   605 sub sort_command_lines
   606 {
   607     print "Sorting command lines..." if $Config{"verbose"} =~ /y/;
   609     # Sort Command_Lines
   610     # Write Command_Lines to Command_Lines_Index
   612     my @index;
   613     for (my $i=0;$i<=$#Command_Lines;$i++) {
   614         $index[$i]=$i;
   615     }
   617     @Command_Lines_Index = sort {
   618            defined($Command_Lines[$index[$a]]->{"time"}) 
   619         && defined($Command_Lines[$index[$b]]->{"time"}) 
   620         ?  $Command_Lines[$index[$a]]->{"time"} <=> $Command_Lines[$index[$b]]->{"time"} 
   621         :  defined($Command_Lines[$index[$a]]->{"day"})
   622            && defined($Command_Lines[$index[$b]]->{"day"})
   623            && defined($Command_Lines[$index[$a]]->{"hour"})
   624            && defined($Command_Lines[$index[$b]]->{"hour"})
   625            && defined($Command_Lines[$index[$a]]->{"min"})
   626            && defined($Command_Lines[$index[$b]]->{"min"})
   627            && defined($Command_Lines[$index[$a]]->{"sec"})
   628            && defined($Command_Lines[$index[$b]]->{"sec"})
   629            ?  $Command_Lines[$index[$a]]->{"day"} cmp $Command_Lines[$index[$b]]->{"day"} 
   630            || $Command_Lines[$index[$a]]->{"hour"} <=> $Command_Lines[$index[$b]]->{"hour"}
   631            || $Command_Lines[$index[$a]]->{"min"} <=> $Command_Lines[$index[$b]]->{"min"} 
   632            || $Command_Lines[$index[$a]]->{"sec"} <=> $Command_Lines[$index[$b]]->{"sec"}
   633            :  0
   634     } @index;
   636     print "finished\n" if $Config{"verbose"} =~ /y/;
   638 }
   640 sub printq
   641 {
   642     my $TO = shift;
   643     my $text = join "", @_;
   644     $text =~ s/&/&/g;
   645     $text =~ s/</</g;
   646     $text =~ s/>/>/g;
   647     print $TO $text;
   648 }
   651 =cut 
   652 Вывести результат обработки журнала.
   653 =cut
   655 sub print_command_lines
   656 {
   657     my $output_filename=$_[0];
   658     open(OUT, ">>", $output_filename)
   659         or die "Can't open $output_filename for writing\n";
   662     my $cl;
   663     my $in_range=0;
   664     for my $i (@Command_Lines_Index) {
   665         $cl = $Command_Lines[$i];
   667         if ($Config{"from"} && $cl->{"cline"} =~ /$Config{"signature"}\s*$Config{"from"}/) {
   668             $in_range=1;
   669             next;
   670         }
   671         if ($Config{"to"} && $cl->{"cline"} =~ /$Config{"signature"}\s*$Config{"to"}/) {
   672             $in_range=0;
   673             next;
   674         }
   675         next if ($Config{"from"} && $Config{"to"} && !$in_range) 
   676             ||
   677                 ($Config{"skip_empty"} =~ /^y/i && $cl->{"cline"} =~ /^\s*$/ )
   678             ||
   679             ($Config{"skip_wrong"} =~ /^y/i && $cl->{"err"} != 0)
   680             ||
   681             ($Config{"skip_interrupted"} =~ /^y/i && $cl->{"err"} == 130);
   683         # Вырезаем из вывода только нужное количество строк
   685         my $output="";
   687         if (!grep ($_ eq $cl->{"last_command"}, @{$Config{"full_output_commands"}})
   688             && ($Config{"head_lines"} 
   689             || $Config{"tail_lines"})) { 
   690             # Partialy output
   691             my @lines = split '\n', $cl->{"output"};
   692             # head
   693             my $mark=1;
   694             for (my $i=0; $i<= $#lines && $i < $Config{"cache_head_lines"}; $i++) {
   695                 $output .= $lines[$i]."\n";
   696             }
   697             # tail
   698             my $start=$#lines-$Config{"cache_tail_lines"}+1;
   699             if ($start < 0) {
   700                 $start=0;
   701                 $mark=0;
   702             }   
   703             if ($start < $Config{"cache_head_lines"}) {
   704                 $start=$Config{"cache_head_lines"};
   705                 $mark=0;
   706             }   
   707             $output .= $Config{"skip_text"}."\n" if $mark;
   708             for ($i=$start; $i<= $#lines; $i++) {
   709                 $output .= $lines[$i]."\n";
   710             }
   711         } 
   712         else {
   713             # Full output
   714             $output .= $cl->{"output"};
   715         }   
   717         # Совместимость с labmaker
   719         # Переводим в секунды Эпохи
   720         # В labmaker'е данные хранились в неудобной форме: hour, min, sec, day of year
   721         # Информация о годе отсутствовала
   722         # Её можно внести: 
   723         # Декабрь 2004 год; остальные -- 2005 год.
   725         my $year = 2005;
   726         #$year = 2004 if ( $cl->{day} > 330 );
   727         $year = $Config{year} if $Config{year};
   728         # timelocal(            $sec,      $min,      $hour,      $mday,$mon,$year);
   729         $cl->{time} ||= timelocal_nocheck($cl->{sec},$cl->{min},$cl->{hour},$cl->{day},0,$year);
   732         # Начинаем вывод команды
   733         print OUT "<command>\n";
   734         print OUT "<l3cd>$Config{l3cd}</l3cd>\n" if $Config{"l3cd"};
   735         for my $element (qw(
   736             local_session_id
   737             history
   738             uid
   739             pid
   740             time
   741             pwd
   742             raw_start
   743             raw_output_start
   744             raw_end
   745             raw_file
   746             tty
   747             err
   748             last_command
   749             history
   750             )) {
   751             next unless defined($cl->{"$element"});
   752             print OUT "<$element>".$cl->{$element}."</$element>\n";
   753         }
   754         for my $element (qw(
   755             prompt
   756             cline
   757             )) {
   758             next unless defined($cl->{"$element"});
   759             print OUT "<$element>";
   760             printq(\*OUT,$cl->{"$element"});
   761             print OUT "</$element>\n";
   762         }
   763             #note
   764             #note_title
   765         print OUT "<output>";
   766         printq(\*OUT,$output);
   767         print OUT "</output>\n";
   768         if ($cl->{"diff"}) {
   769             print OUT "<diff>";
   770             printq(\*OUT,${$Diffs{$cl->{"diff"}}}{"text"});
   771             print OUT "</diff>\n";
   772         }
   773         print OUT "</command>\n";
   775     }
   777     close(OUT);
   778 }
   780 sub print_session
   781 {
   782     my $output_filename = $_[0];
   783     my $local_session_id = $_[1];
   784     return if not defined($Sessions{$local_session_id});
   786     print "printing session info. session id = ".$local_session_id."\n"
   787         if $Config{verbose} =~ /y/;
   789     open(OUT, ">>", $output_filename)
   790         or die "Can't open $output_filename for writing\n";
   791     print OUT "<session>\n";
   792     print OUT "<l3cd>$Config{l3cd}</l3cd>\n" if $Config{"l3cd"};
   793     my %session = %{$Sessions{$local_session_id}};
   794     for my $key (keys %session) {
   795         print OUT "<$key>".$session{$key}."</$key>\n";
   796         print "         ".$key,"\n";
   797     }
   798     print OUT "</session>\n";
   799     close(OUT);
   800 }
   802 sub send_cache
   803 {
   804     # Если в кэше что-то накопилось, 
   805     # попытаемся отправить это на сервер
   806     #
   807     my $cache_was_sent=0;
   809     if (open(CACHE, $Config{cache})) {
   810         local $/;
   811         my $cache = <CACHE>;
   812         close(CACHE);
   814         my $socket = IO::Socket::INET->new(
   815                             PeerAddr => $Config{backend_address},
   816                             PeerPort => $Config{backend_port},
   817                             proto   => "tcp",
   818                             Type    => SOCK_STREAM
   819                         );
   821         if ($socket) {
   822             print $socket $cache;
   823             close($socket);
   824             $cache_was_sent = 1;
   825         }
   826     }
   827     return $cache_was_sent;
   828 }
   830 sub save_cache_stat
   831 {
   832     open (CACHE, ">$Config{cache_stat}");
   833     for my $f (keys %Script_Files) {
   834         print CACHE "$f\t",$Script_Files{$f}->{size},"\t",$Script_Files{$f}->{tell},"\n";
   835     }
   836     close(CACHE);
   837 }
   839 sub load_cache_stat
   840 {
   841     if (open (CACHE, "$Config{cache_stat}")) {
   842         while(<CACHE>) {
   843             chomp;
   844             my ($f, $size, $tell) = split /\t/;
   845             $Script_Files{$f}->{size} = $size;
   846             $Script_Files{$f}->{tell} = $tell;
   847         }
   848         close(CACHE);
   849     };
   850 }
   853 main();
   855 sub process_was_killed
   856 {
   857     $Killed = 1;
   858 }
   860 sub reload
   861 {
   862     init_config;
   863 }
   865 sub main
   866 {
   868     $| = 1;
   870     init_variables();
   871     init_config();
   874     if ($Config{"mode"} ne "daemon") {
   876 #    В нормальном режиме работы нужно
   877 #    считать скрипты, обработать их и записать
   878 #    результат выполнения в результирующий файл.
   879 #    После этого завершить работу.
   881 # Очистим кэш-файл, если он существовал
   882         if (open (CACHE, ">", $Config{"cache"})) {
   883             close(CACHE);
   884         };
   885         for my $lab_log (split (/\s+/, $Config{"diffs"} || $Config{"input"})) {
   886             load_diff_files($lab_log);
   887         }
   888         load_command_lines($Config{"input"}, $Config{"input_mask"});
   889         sort_command_lines;
   890         #process_command_lines;
   891         print_command_lines($Config{"cache"});
   892     } 
   893     else {
   894         if (open(PIDFILE, $Config{agent_pidfile})) {
   895             my $pid = <PIDFILE>;
   896             close(PIDFILE);
   897             if ($^O eq 'linux' && $pid &&(! -e "/proc/$pid" || !`grep $Config{"l3-agent"} /proc/$pid/cmdline && grep "uid:.*\b$<\b" /proc/$pid/status`)) {
   898                 print "Removing stale pidfile\n";
   899                 unlink $Config{agent_pidfile}
   900                     or die "Can't remove stale pidfile ". $Config{agent_pidfile}. " : $!";
   901             }
   902             elsif ($^O eq 'freebsd' && defined($pid) && $pid ne "" && not `ps axo uid,pid,command | grep '$< $pid $Config{"l3-agent"}' | grep -v grep 2> /dev/null`) {
   903                 print "Removing stale pidfile\n";
   904                 unlink $Config{agent_pidfile}
   905                     or die "Can't remove stale pidfile ". $Config{agent_pidfile}. " : $!";
   906             }
   907             elsif ($^O eq 'linux' || $^O eq 'freebsd' ) {
   908                 print "l3-agent is already running: pid=$pid; pidfile=$Config{agent_pidfile}\n";
   909                 exit(0);
   910             }
   911             else {
   912                 print "Unknown operating system";
   913                 exit(0);
   914             }
   915         }
   916         if ($Config{detach} =~ /^y/i) {
   917             #$Config{verbose} = "no";
   918             my $pid = fork;
   919             exit if $pid;
   920             die "Couldn't fork: $!" unless defined ($pid);
   922             open(PIDFILE, ">", $Config{agent_pidfile})
   923                 or die "Can't open pidfile ". $Config{agent_pidfile}. " for wrting: $!";
   924             print PIDFILE $$;
   925             close(PIDFILE);
   927             for my $handle (*STDIN, *STDOUT, *STDERR) {
   928                 open ($handle, "+<", "/dev/null")
   929                     or die "can't reopen $handle to /dev/null: $!"
   930             }
   932             POSIX::setsid()
   933                 or die "Can't start a new session: $!";
   935             $0 = $Config{"l3-agent"};
   937             $SIG{INT} = $SIG{TERM} = \&process_was_killed;
   938             $SIG{HUP} = \&reload;
   940         }
   941         while (not $Killed) {
   942             @Command_Lines = ();
   943             @Command_Lines_Index = ();
   944             for my $lab_log (split (/\s+/, $Config{"diffs"} || $Config{"input"})) {
   945                 load_diff_files($lab_log);
   946             }
   947             load_cache_stat();
   948             load_command_lines($Config{"input"}, $Config{"input_mask"});
   949             if (@Command_Lines) {
   950                 sort_command_lines;
   951                 #process_command_lines;
   952                 print_command_lines($Config{"cache"});
   953             }
   954             save_cache_stat();
   955             if (-e $Config{cache} && (stat($Config{cache}))[7]) {
   956                 send_cache() && unlink($Config{cache});
   957             }
   958             sleep($Config{"daemon_sleep_interval"} || 1);
   959         }
   961         unlink $Config{agent_pidfile};
   962     }
   964 }
   966 sub init_variables
   967 {
   968 }
