lilalo
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Локальное хранение и анализ данных с помощью SQlite
Очень много изменений, касающихся работы с sqlite
и локального использования результатов записи.
Подробнее:
README.l3text
Очень много изменений, касающихся работы с sqlite
и локального использования результатов записи.
Подробнее:
README.l3text
| author | Igor Chubin <igor@chub.in> | 
|---|---|
| date | Tue Mar 16 20:05:30 2010 +0200 (2010-03-16) | 
| parents | 822b36252d7f | 
| children | 
 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;
    13 use DBI;
    15 use lib "/etc/lilalo";
    16 use l3config;
    18 our @Command_Lines;
    19 our @Command_Lines_Index;
    20 our %Diffs;
    21 our %Sessions;
    23 our %Script_Files;  # Информация о позициях в скрипт-файлах, 
    24                     # до которых уже выполнен разбор
    25                     # и информация о времени модификации файла
    26                     #   $Script_Files{$file}->{size}
    27                     #   $Script_Files{$file}->{tell}
    29 our $Killed =0;     # В режиме демона -- процесс получил сигнал о завершении
    31 sub init_variables;
    32 sub main;
    34 sub load_diff_files;
    35 sub bind_diff;
    36 sub extract_commands_from_cline;
    37 sub load_command_lines;
    38 sub sort_command_lines;
    39 sub print_command_lines;
    40 sub printq;
    42 sub save_cache_stat;
    43 sub load_cache_stat;
    44 sub print_session;
    46 sub load_diff_files
    47 {
    48     my @pathes = @_;
    50     for my $path (@pathes) {
    51         my $template = "*.diff";
    52         my @files = <$path/$template>;
    53         my $i=0;
    54         for my $file (@files) {
    56             next if defined($Diffs{$file});
    57             my %diff;
    59 # Старый формат имени diff-файла
    60 # DEPRECATED
    61             if ($file=~m@/(D?[0-9][0-9]?[0-9]?)[^/]*?([0-9]*):([0-9]*):?([0-9]*)@) {
    62                 $diff{"day"}=$1 || "";
    63                 $diff{"hour"}=$2;
    64                 $diff{"min"}=$3;
    65                 $diff{"sec"}=$4 || 0;
    67                 $diff{"uid"} = 0 if $path =~ m@/root/@; 
    69             print "diff loaded: $diff{day} $diff{hour}:$diff{min}:$diff{sec}\n";
    71             }
    72 # Новый формат имени diff-файла
    73             elsif ($file =~ m@.*/([^_]*)_([0-9]+)(.*)@) {
    74                 $diff{"local_session_id"} = $1;
    75                 $diff{"time"} = $2;
    76                 $diff{"filename"} = $3;
    77                 $diff{"filename"} =~ s@_@/@g;
    78                 $diff{"filename"} =~ s@//@_@g;
    80                 print "diff loaded: $diff{filename} (time=$diff{time},session=$diff{local_session_id})\n";
    81             }
    82             else {
    83                 next;
    84             }
    86 # Чтение и изменение кодировки содержимого diff-файла
    87             local $/;
    88             open (F, "$file")
    89                 or return "Can't open file $file ($_[0]) for reading";
    90             my $text = <F>;
    91             if ($Config{"encoding"} && $Config{"encoding"} !~ /^utf-8$/i) {
    92                 my $converter = Text::Iconv->new($Config{"encoding"}, "utf-8");
    93                 $text = $converter->convert($text);
    94             }
    95             close(F);   
    96             $diff{"text"}=$text;
    98             $diff{"path"}=$path;
    99             $diff{"bind_to"}="";
   100             $diff{"time_range"}=-1;
   101             $diff{"index"}=$i;
   103             $Diffs{$file} = \%diff;
   104             $i++;
   105         }
   106     }   
   107 }
   110 sub bind_diff
   111 {
   112     print "Trying to bind diff...\n";
   114     my $cl = shift;
   115     my $hour = $cl->{"hour"};
   116     my $min = $cl->{"min"};
   117     my $sec = $cl->{"sec"};
   119     my $min_dt = 10000;
   121     if (defined($cl->{"diff"})) {    
   122         print STDERR "Command ".$cl->{time}." is already bound";
   123         return;
   124     }
   126 # Загружаем новые diff-файлы
   127 # Это нужно делать непосредственно перед привязкой, поскольку diff'ы могли образоваться только что
   128     for my $lab_log (split (/\s+/, $Config{"diffs"} || $Config{"input"})) {
   129         load_diff_files($lab_log);
   130     }
   132     my $diff_to_bind;
   133     for my $diff_key (keys %Diffs) {
   134         my $diff = $Diffs{$diff_key};
   135         next if ($diff->{"local_session_id"} 
   136                 && $cl->{"local_session_id"} 
   137                 && ($cl->{"local_session_id"} ne $diff->{"local_session_id"}));
   139         next if ($diff->{"day"} && $cl->{"day"} && ($cl->{"day"} ne $diff->{"day"}));
   141         my $dt;
   142         if (not $diff->{"time"}) {
   143             print STDERR "diff time is 0"; 
   144             print STDERR join(" ", keys(%$diff));
   145             print STDERR $diff->{text};
   146         }
   147         if (not $cl->{"time"}) {
   148             print STDERR "cl time is 0"; 
   149         }
   150         if ($diff->{"time"} && $cl->{"time"}) {
   151             $dt = $diff->{"time"} - $cl->{"time"}
   152         }
   153         else {
   154             $dt=($diff->{"hour"}-$hour)*3600 +($diff->{"min"}-$min)*60 + ($diff->{"sec"}-$sec);
   155         }
   156         if ($dt >=0 && $dt < $min_dt && !$diff->{"bind_to"}) {
   157              $min_dt = $dt;  
   158              $diff_to_bind = $diff_key;
   159         }
   160     }
   161     if ($diff_to_bind) {
   162         print "Approppriate diff found: dt=$min_dt\n";
   163         $Diffs{$diff_to_bind}->{"bind_to"}=$cl;
   164         $cl->{"diff"} = $diff_to_bind;
   165     }
   166     else {
   167         print STDERR "Diff not found\n";
   168         print STDERR "cl{time}",$cl->{time},"\n";
   169     }
   170 }
   173 sub extract_commands_from_cline
   174 # Разобрать командную строку $_[1] и возвратить хэш, содержащий 
   175 # номер первого появление команды в строке:
   176 #   команда => первая позиция
   177 {
   178     my $cline = $_[0];
   179     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                 # Сохраняем часть выполненного ранее разбора в переменной last_cl,
   361                 # которую мы дополним некоторой информацией и сохраним позже
   362                 my %last_cl = %cl;
   363                 my $this_line = $1;
   364                 my $err = $2 || "";
   366                 $cl{"local_session_id"} = $local_session_id;
   367                 # Parse new command 
   368                 $cl{"uid"} = $3;
   369                 #$cl{"euid"} = $cl{"uid"};   # Если в команде обнаружится sudo, euid поменяем на 0
   370                 $cl{"pid"} = $4;
   371                 $cl{"day"} = $5;
   372                 $cl{"lab"} = $6;
   373                 $cl{"hour"} = $7;
   374                 $cl{"min"} = $8;
   375                 $cl{"sec"} = $9;
   376                 #$cl{"fullprompt"} = $10;
   377                 $cl{"prompt"} = $11;
   378                 $cl{"raw_cline"} = $12; 
   380                 {
   381                 use bytes;
   382                 $cl{"raw_start"} = tell (FILE) - length($this_line);
   383                 $cl{"raw_output_start"} = tell FILE;
   384                 }
   385                 $cl{"raw_file"} = $file;
   387                 $cl{"err"} = 0;
   388                 $cl{"output"} = "";
   389                 $cl{"tty"} = $tty;
   391                 $cline_vt->process($cl{"raw_cline"}."\n");
   392                 $cl{"cline"} = $cline_vt->row_plaintext (1);
   393                 $cl{"cline"} =~ s/\s*$//;
   394                 $cl{"cline"} =~ s/.*?[\#\$]\s*//;
   395                 $cline_vt->reset();
   397                 my %commands = extract_commands_from_cline($cl{"cline"});
   398                 #$cl{"euid"}=0 if defined $commands{"sudo"};
   399                 my @comms = sort { $commands{$a} cmp $commands{$b} } keys %commands; 
   400                 $cl{"last_command"} = $comms[$#comms] || ""; 
   402                 if (
   403                     $Config{"suppress_editors"} =~ /^y/i 
   404                         && grep ($_ eq $cl{"last_command"}, @{$Config{"editors"}}) 
   405                     || $Config{"suppress_pagers"}  =~ /^y/i 
   406                         && grep ($_ eq $cl{"last_command"}, @{$Config{"pagers"}}) 
   407                     || $Config{"suppress_terminal"}=~ /^y/i 
   408                         && grep ($_ eq $cl{"last_command"}, @{$Config{"terminal"}})
   409                 ) {
   410                     $cl{"suppress_output"} = "1";
   411                 }
   412                 else {
   413                     $cl{"suppress_output"} = "0";
   414                 }
   415                 $skip_info = 0;
   418                 print " ",$cl{"last_command"};
   420                 if (grep ($_ eq $last_cl{"last_command"}, @{$Config{"editors"}})) {
   421                     bind_diff(\%last_cl);
   422                 }
   424                 # Error code
   425                 $last_cl{"raw_end"} = $cl{"raw_start"};
   426                 $last_cl{"err"}=$err;
   427                 $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                 $saved_output="";
   575 # Обработка команд с одинаковым временем
   576 # Скорее всего они набраны с помощью tab-completion
   577                 if ((defined($last_cl{time}) 
   578                      && defined($cl{time})
   579                      && $last_cl{time} == $cl{time}) 
   580                     && 
   581                     (defined($last_cl{nonce}) 
   582                      && defined($cl{nonce}) 
   583                      && $last_cl{nonce} == $cl{nonce})) {
   584                     $last_cl{"tab"}=1;
   585                 };
   587                 # Changing encoding 
   588                 for (keys %last_cl) {
   589                     next if /raw/;
   590                     if ($Config{"encoding"} && 
   591                         $Config{"encoding"} !~ /^utf-8$/i) {
   592                         $last_cl{$_} = $converter->convert($last_cl{$_})
   593                     }
   594                 }
   595                 if (defined($last_cl{time})) {
   596                     print STDERR "push id=".$last_cl{time}."\n";
   597                     push @Command_Lines, \%last_cl; 
   598                     # Сохранение позиции в файле, до которой выполнен
   599                     # успешный разбор
   600                     $Script_Files{$file}->{tell} = $last_cl{raw_end};
   601                 }
   602                 next;
   603             }
   605             if (($commandlines_processed%100) == 0) {
   606 # Каждые сто строк обнуляем терминал и переносим вывод из него в кэш
   607                 # Output
   608 	        for (my $i=0; $i<$Config{"terminal_height"}; $i++) {
   609 	   	    my $line= $vt{$local_session_id}->row_plaintext($i);
   610 		    next if !defined ($line) ; #|| $line =~ /^\s*$/;
   611 		    $line =~ s/\s*$//;
   612 		    $line .= "\n" unless $line =~ /^\s*$/;
   613 		    $saved_output .= $line;
   614 	        }
   615                 $vt{$local_session_id}->reset();
   616                 $last_output_length=0;
   617 	    }
   619 # Иначе, это строка вывода
   621             $last_output_length+=length($_);
   622             #if (!$cl{"suppress_output"} || $last_output_length < 5000) {
   623             if ($last_output_length < 50000) {
   624                 $vt{$local_session_id}->process("$_"."\n") 
   625             }
   626             else
   627             {
   628                 if (!$skip_info && defined($cl{last_command})) {
   629                     print "($cl{last_command})";
   630                     $skip_info = 1;
   631                 }
   632             }
   633         }   
   634         close(FILE);
   636     }
   637     if ($Config{"verbose"} =~ /y/) {
   638         print "\n`- finished.\n" ;
   639         print "Lines loaded: $commandlines_processed\n";
   640         print "Command lines: $commandlines_loaded\n";
   641     }
   642 }
   647 sub sort_command_lines
   648 {
   649     print "Sorting command lines..." if $Config{"verbose"} =~ /y/;
   651     # Sort Command_Lines
   652     # Write Command_Lines to Command_Lines_Index
   654     my @index;
   655     for (my $i=0;$i<=$#Command_Lines;$i++) {
   656         $index[$i]=$i;
   657     }
   659     @Command_Lines_Index = sort {
   660            defined($Command_Lines[$index[$a]]->{"time"}) 
   661         && defined($Command_Lines[$index[$b]]->{"time"}) 
   662         ?  $Command_Lines[$index[$a]]->{"time"} <=> $Command_Lines[$index[$b]]->{"time"} 
   663         :  defined($Command_Lines[$index[$a]]->{"day"})
   664            && defined($Command_Lines[$index[$b]]->{"day"})
   665            && defined($Command_Lines[$index[$a]]->{"hour"})
   666            && defined($Command_Lines[$index[$b]]->{"hour"})
   667            && defined($Command_Lines[$index[$a]]->{"min"})
   668            && defined($Command_Lines[$index[$b]]->{"min"})
   669            && defined($Command_Lines[$index[$a]]->{"sec"})
   670            && defined($Command_Lines[$index[$b]]->{"sec"})
   671            ?  $Command_Lines[$index[$a]]->{"day"} cmp $Command_Lines[$index[$b]]->{"day"} 
   672            || $Command_Lines[$index[$a]]->{"hour"} <=> $Command_Lines[$index[$b]]->{"hour"}
   673            || $Command_Lines[$index[$a]]->{"min"} <=> $Command_Lines[$index[$b]]->{"min"} 
   674            || $Command_Lines[$index[$a]]->{"sec"} <=> $Command_Lines[$index[$b]]->{"sec"}
   675            :  0
   676     } @index;
   678     print "finished\n" if $Config{"verbose"} =~ /y/;
   680 }
   682 sub printq
   683 {
   684     my $TO = shift;
   685     my $text = join "", @_;
   686     $text =~ s/&/&/g;
   687     $text =~ s/</</g;
   688     $text =~ s/>/>/g;
   689     $text =~ s/"/"/g;
   690     print $TO $text;
   691 }
   693 sub strq
   694 {
   695     my $text = join "", @_;
   696     $text =~ s/&/&/g;
   697     $text =~ s/</</g;
   698     $text =~ s/>/>/g;
   699     $text =~ s/"/"/g;
   700     return $text;
   701 }
   703 =cut 
   704 Вывести результат обработки журнала.
   705 =cut
   707 sub print_commands_to_sqlite_cache
   708 {
   709     my $output_filename=$_[0];
   710     my $db = DBI->connect("dbi:SQLite:$output_filename", "", "",
   711                           {RaiseError => 1, AutoCommit => 1});
   713     my $cl;
   714     for my $i (@Command_Lines_Index) {
   715         my $val;
   716         my $var_list;
   717         my $values_list;
   718         my $create_var_list;
   719         my $sql;
   720         $cl = $Command_Lines[$i];
   722         $cl->{l3cd}=$Config{l3cd} if $Config{"l3cd"};
   723         for my $element (qw(
   724             local_session_id
   725             history
   726             uid
   727             pid
   728             time
   729             pwd
   730             raw_start
   731             raw_output_start
   732             raw_end
   733             raw_file
   734             tty
   735             err
   736             last_command
   737             nonce
   738             l3cd
   739             tab
   740             )) {
   741             if (defined($cl->{"$element"})) {
   742                 $val = $cl->{"$element"};
   743             }
   744             else {
   745                 $val = ""
   746             };
   747             $var_list .= "$element,";
   748             $values_list .= '"'.$val."\",";
   749             $create_var_list .= ", $element TEXT";
   750         }
   751         for my $element (qw(
   752             prompt
   753             cline
   754             output
   755             )) {
   756             if (defined($cl->{"$element"})) {
   757                 $val = $cl->{"$element"};
   758             }
   759             else {
   760                 $val = ""
   761             };
   762             $var_list .= "$element,";
   763             $values_list .= '"'.strq($val)."\",";
   764             $create_var_list .= ", $element TEXT";
   765         }
   766         if ($cl->{"diff"}) {
   767             $val = strq(${$Diffs{$cl->{"diff"}}}{"text"});
   768         }
   769         else {
   770             $val="";
   771         }
   772         $var_list .= "diff,";
   773         $create_var_list .= ", diff TEXT";
   774         $values_list .= '"'.$val."\",";
   776         $db->do("CREATE TABLE IF NOT EXISTS commands (id INTEGER PRIMARY KEY $create_var_list)");
   777         #print "CREATE TABLE commands (id INTEGER PRIMARY KEY $create_var_list)\n";
   778         $values_list =~ s/,$//;
   779         $var_list =~ s/,$//;
   780         $sql = "INSERT INTO commands ($var_list) VALUES($values_list) ";
   781         print "$sql\n";
   782         $db->do($sql);
   783     }
   784 }
   786 sub print_command_lines
   787 {
   788     my $output_filename=$_[0];
   789     open(OUT, ">>", $output_filename)
   790         or die "Can't open $output_filename for writing\n";
   792     my $cl;
   793     my $in_range=0;
   794     for my $i (@Command_Lines_Index) {
   795         $cl = $Command_Lines[$i];
   797         if ($Config{"from"} && $cl->{"cline"} =~ /$Config{"signature"}\s*$Config{"from"}/) {
   798             $in_range=1;
   799             next;
   800         }
   801         if ($Config{"to"} && $cl->{"cline"} =~ /$Config{"signature"}\s*$Config{"to"}/) {
   802             $in_range=0;
   803             next;
   804         }
   805         next if ($Config{"from"} && $Config{"to"} && !$in_range) 
   806              || ($Config{"skip_empty"} =~ /^y/i && $cl->{"cline"} =~ /^\s*$/ )
   807              || ($Config{"skip_wrong"} =~ /^y/i && $cl->{"err"} != 0)
   808              || ($Config{"skip_interrupted"} =~ /^y/i && $cl->{"err"} == 130);
   810         # Вырезаем из вывода только нужное количество строк
   811         my $output="";
   812         if (!grep ($_ eq $cl->{"last_command"}, @{$Config{"full_output_commands"}})
   813             && ($Config{"head_lines"} 
   814             || $Config{"tail_lines"})) { 
   815             # Partialy output
   816             my @lines = split '\n', $cl->{"output"};
   817             # head
   818             my $mark=1;
   819             for (my $i=0; $i<= $#lines && $i < $Config{"cache_head_lines"}; $i++) {
   820                 $output .= $lines[$i]."\n";
   821             }
   822             # tail
   823             my $start=$#lines-$Config{"cache_tail_lines"}+1;
   824             if ($start < 0) {
   825                 $start=0;
   826                 $mark=0;
   827             }
   828             if ($start < $Config{"cache_head_lines"}) {
   829                 $start=$Config{"cache_head_lines"};
   830                 $mark=0;
   831             }
   832             $output .= $Config{"skip_text"}."\n" if $mark;
   833             for ($i=$start; $i<= $#lines; $i++) {
   834                 $output .= $lines[$i]."\n";
   835             }
   836         }
   837         else {
   838             # Full output
   839             $output .= $cl->{"output"};
   840         }
   842         # Совместимость с labmaker
   844         # Переводим в секунды Эпохи
   845         # В labmaker'е данные хранились в неудобной форме: hour, min, sec, day of year
   846         # Информация о годе отсутствовала
   847         # Её можно внести: 
   848         # Декабрь 2004 год; остальные -- 2005 год.
   850         my $year = 2005;
   851         #$year = 2004 if ( $cl->{day} > 330 );
   852         $year = $Config{year} if $Config{year};
   853         # timelocal(            $sec,      $min,      $hour,      $mday,$mon,$year);
   854         $cl->{time} ||= timelocal_nocheck($cl->{sec},$cl->{min},$cl->{hour},$cl->{day},0,$year);
   856         # Начинаем вывод команды
   857         print OUT "<command>\n";
   858         print OUT "<l3cd>$Config{l3cd}</l3cd>\n" if $Config{"l3cd"};
   859         for my $element (qw(
   860             local_session_id
   861             history
   862             uid
   863             pid
   864             time
   865             pwd
   866             raw_start
   867             raw_output_start
   868             raw_end
   869             raw_file
   870             tty
   871             err
   872             last_command
   873             history
   874             nonce
   875             )) {
   876             next unless defined($cl->{"$element"});
   877             print OUT "<$element>".$cl->{$element}."</$element>\n";
   878         }
   879         for my $element (qw(
   880             prompt
   881             cline
   882             )) {
   883             next unless defined($cl->{"$element"});
   884             print OUT "<$element>";
   885             printq(\*OUT,$cl->{"$element"});
   886             print OUT "</$element>\n";
   887         }
   888             #note
   889             #note_title
   890         print OUT "<output>";
   891         printq(\*OUT,$output);
   892         print OUT "</output>\n";
   893         if ($cl->{"diff"}) {
   894             print OUT "<diff>";
   895             printq(\*OUT,${$Diffs{$cl->{"diff"}}}{"text"});
   896             print OUT "</diff>\n";
   897         }
   898         print OUT "</command>\n";
   900     }
   902     close(OUT);
   903 }
   905 sub print_session
   906 {
   907     my $output_filename = $_[0];
   908     my $local_session_id = $_[1];
   909     return if not defined($Sessions{$local_session_id});
   911     print "printing session info. session id = ".$local_session_id."\n"
   912         if $Config{verbose} =~ /y/;
   914     open(OUT, ">>", $output_filename)
   915         or die "Can't open $output_filename for writing\n";
   916     print OUT "<session>\n";
   917     print OUT "<l3cd>$Config{l3cd}</l3cd>\n" if $Config{"l3cd"};
   918     my %session = %{$Sessions{$local_session_id}};
   919     for my $key (keys %session) {
   920         print OUT "<$key>".$session{$key}."</$key>\n";
   921         print "         ".$key,"\n";
   922     }
   923     print OUT "</session>\n";
   924     close(OUT);
   925 }
   927 sub send_cache
   928 {
   929     # Если в кэше что-то накопилось, 
   930     # попытаемся отправить это на сервер
   931     #
   932     my $cache_was_sent=0;
   934     if (open(CACHE, $Config{cache})) {
   935         local $/;
   936         my $cache = <CACHE>;
   937         close(CACHE);
   939         my $socket = IO::Socket::INET->new(
   940                             PeerAddr => $Config{backend_address},
   941                             PeerPort => $Config{backend_port},
   942                             proto   => "tcp",
   943                             Type    => SOCK_STREAM
   944                         );
   946         if ($socket) {
   947             print $socket $cache;
   948             close($socket);
   949             $cache_was_sent = 1;
   950         }
   951     }
   952     return $cache_was_sent;
   953 }
   955 sub save_cache_stat
   956 {
   957     open (CACHE, ">$Config{cache_stat}");
   958     for my $f (keys %Script_Files) {
   959         print CACHE "$f\t",$Script_Files{$f}->{size},"\t",$Script_Files{$f}->{tell},"\n";
   960     }
   961     close(CACHE);
   962 }
   964 sub load_cache_stat
   965 {
   966     if (open (CACHE, "$Config{cache_stat}")) {
   967         while(<CACHE>) {
   968             chomp;
   969             my ($f, $size, $tell) = split /\t/;
   970             $Script_Files{$f}->{size} = $size;
   971             $Script_Files{$f}->{tell} = $tell;
   972         }
   973         close(CACHE);
   974     };
   975 }
   978 main();
   980 sub process_was_killed
   981 {
   982     $Killed = 1;
   983 }
   985 sub reload
   986 {
   987     init_config;
   988 }
   990 sub main
   991 {
   993     $| = 1;
   995     init_variables();
   996     init_config();
   999     if ($Config{"mode"} ne "daemon") {
  1001 #    В нормальном режиме работы нужно
  1002 #    считать скрипты, обработать их и записать
  1003 #    результат выполнения в результирующий файл.
  1004 #    После этого завершить работу.
  1006 # Очистим кэш-файл, если он существовал
  1007         if (open (CACHE, ">", $Config{"cache"})) {
  1008             close(CACHE);
  1009         };
  1010         load_command_lines($Config{"input"}, $Config{"input_mask"});
  1011         sort_command_lines;
  1012         #process_command_lines;
  1013         print_commands_to_sqlite_cache($Config{"cache_sqlite"});
  1014         print_command_lines($Config{"cache"});
  1015     } 
  1016     else {
  1017         if (open(PIDFILE, $Config{agent_pidfile})) {
  1018             my $pid = <PIDFILE>;
  1019             close(PIDFILE);
  1020             if ($^O eq 'linux' && $pid &&(! -e "/proc/$pid" || !`grep $Config{"l3-agent"} /proc/$pid/cmdline && grep "uid:.*\b$<\b" /proc/$pid/status`)) {
  1021                 print "Removing stale pidfile\n";
  1022                 unlink $Config{agent_pidfile}
  1023                     or die "Can't remove stale pidfile ". $Config{agent_pidfile}. " : $!";
  1024             }
  1025             elsif ($^O eq 'freebsd' && defined($pid) && $pid ne "" && not `ps axo uid,pid,command | grep '$< $pid $Config{"l3-agent"}' | grep -v grep 2> /dev/null`) {
  1026                 print "Removing stale pidfile\n";
  1027                 unlink $Config{agent_pidfile}
  1028                     or die "Can't remove stale pidfile ". $Config{agent_pidfile}. " : $!";
  1029             }
  1030             elsif ($^O eq 'linux' || $^O eq 'freebsd' ) {
  1031                 print "l3-agent is already running: pid=$pid; pidfile=$Config{agent_pidfile}\n";
  1032                 exit(0);
  1033             }
  1034             else {
  1035                 print "Unknown operating system";
  1036                 exit(0);
  1037             }
  1038         }
  1039         if ($Config{detach} =~ /^y/i) {
  1040             #$Config{verbose} = "no";
  1041             my $pid = fork;
  1042             exit if $pid;
  1043             die "Couldn't fork: $!" unless defined ($pid);
  1045             open(PIDFILE, ">", $Config{agent_pidfile})
  1046                 or die "Can't open pidfile ". $Config{agent_pidfile}. " for wrting: $!";
  1047             print PIDFILE $$;
  1048             close(PIDFILE);
  1050             for my $handle (*STDIN, *STDOUT, *STDERR) {
  1051                 open ($handle, "+<", "/dev/null")
  1052                     or die "can't reopen $handle to /dev/null: $!"
  1053             }
  1055             POSIX::setsid()
  1056                 or die "Can't start a new session: $!";
  1058             $0 = $Config{"l3-agent"};
  1060             $SIG{INT} = $SIG{TERM} = \&process_was_killed;
  1061             $SIG{HUP} = \&reload;
  1063         }
  1064         while (not $Killed) {
  1065             @Command_Lines = ();
  1066             @Command_Lines_Index = ();
  1067             load_cache_stat();
  1068             load_command_lines($Config{"input"}, $Config{"input_mask"});
  1069             if (@Command_Lines) {
  1070                 sort_command_lines;
  1071                 #process_command_lines;
  1072                 print_commands_to_sqlite_cache($Config{"cache_sqlite"});
  1073                 print_command_lines($Config{"cache"});
  1074             }
  1075             save_cache_stat();
  1076             if (-e $Config{cache} && (stat($Config{cache}))[7]) {
  1077                 send_cache() && unlink($Config{cache});
  1078             }
  1079             sleep($Config{"daemon_sleep_interval"} || 1);
  1080         }
  1082         unlink $Config{agent_pidfile};
  1083     }
  1085 }
  1087 sub init_variables
  1088 {
  1089 }
