devi@23: #!/usr/bin/perl -w
devi@23: 
devi@23: #
devi@23: # (c) Igor Chubin, imchubin@mail.ru, 2004-2005
devi@23: #
devi@23: 
devi@23: use strict;
devi@25: use POSIX;
devi@23: use Term::VT102;
devi@23: use Text::Iconv;
devi@23: use Data::Dumper;
devi@23: use Time::Local 'timelocal_nocheck';
devi@23: 
devi@23: use lib ".";
devi@23: use l3config;
devi@23: 
devi@23: 
devi@23: our @Command_Lines;
devi@23: our @Command_Lines_Index;
devi@23: our @Diffs;
devi@23: 
devi@23: our %Commands_Stat;		# Statistics about commands usage
devi@23: our %Files_Stat;		# Statistics about commands usage
devi@23: 
devi@25: our %Script_Files;		# Информация о позициях в скрипт-файлах, 
devi@25: 				# до которых уже выполнен разбор
devi@25: 				# и информация о времени модификации файла
devi@25: 				# 	$Script_Files{$file}->{size}
devi@25: 				# 	$Script_Files{$file}->{tell}
devi@25: 
devi@25: our $Killed =0;			# В режиме демона -- процесс получил сигнал о завершении
devi@23: 
devi@23: sub init_variables;
devi@23: sub main;
devi@23: 
devi@23: sub load_diff_files;
devi@23: sub bind_diff;
devi@23: sub extract_from_cline;
devi@23: sub load_command_lines;
devi@23: sub sort_command_lines;
devi@23: sub process_command_lines;
devi@23: sub print_command_lines;
devi@23: sub printq;
devi@23: 
devi@25: sub save_cache_stat;
devi@25: sub load_cache_stat;
devi@25: 
devi@25: 
devi@23: sub load_diff_files
devi@23: {
devi@23: 	my @pathes = @_;
devi@23: 	
devi@23: 	for my $path (@pathes) {
devi@23: 		my $template = "*.diff";
devi@23: 		my @files = <$path/$template>;
devi@23: 		my $i=0;
devi@23: 		for my $file (@files) {
devi@23: 			my %diff;
devi@23: 			
devi@23: 			$diff{"path"}=$path;
devi@23: 			$diff{"uid"}="SET THIS";
devi@23: 
devi@23: # Сейчас UID определяется из названия каталога
devi@23: # откуда берутся diff-файлы
devi@23: # Это неправильно
devi@23: #
devi@23: # ВАРИАНТ:
devi@23: # К файлам жураналам должны прилагаться ситемны файлы, 
devi@23: # мз которых и будет определяться соответствие 
devi@23: # имён пользователей их uid'ам
devi@23: #
devi@23: 			$diff{"uid"} = 0 if $path =~ m@/root/@;	
devi@23: 			
devi@23: 			$diff{"bind_to"}="";
devi@23: 			$diff{"time_range"}=-1;
devi@23: 		
devi@23: 			next if not $file=~m@/(D?[0-9][0-9]?[0-9]?)[^/]*?([0-9]*):([0-9]*):?([0-9]*)@;
devi@23: 			$diff{"day"}=$1 || "";
devi@23: 			$diff{"hour"}=$2;
devi@23: 			$diff{"min"}=$3;
devi@23: 			$diff{"sec"}=$4 || 0;
devi@23: 			
devi@23: 			$diff{"index"}=$i;
devi@23: 
devi@23: 			print "diff loaded: $diff{day} $diff{hour}:$diff{min}:$diff{sec}\n";
devi@23: 			
devi@23: 			local $/;
devi@23: 			open (F, "$file")
devi@23: 				or return "Can't open file $file ($_[0]) for reading";
devi@23: 			my $text = <F>;
devi@23: 			if ($Config{"encoding"} && $Config{"encoding"} !~ /^utf-8$/i) {
devi@23: 				my $converter = Text::Iconv->new($Config{"encoding"}, "utf-8");
devi@23: 				$text = $converter->convert($text);
devi@23: 			}
devi@23: 			close(F);	
devi@23: 			$diff{"text"}=$text;
devi@23: 			#print "$file loaded ($diff{day})\n";
devi@23: 
devi@23: 			push @Diffs, \%diff;
devi@23: 			$i++;
devi@23: 		}
devi@23: 	}	
devi@23: }
devi@23: 
devi@23: 
devi@23: sub bind_diff
devi@23: {
devi@23: #	my $path = shift;
devi@23: #	my $pid = shift;
devi@23: #	my $day = shift;
devi@23: #	my $lab = shift;
devi@23: 
devi@23: 	print "Trying to bind diff...\n";
devi@23: 
devi@23: 	my $cl = shift;
devi@23: 	my $hour = $cl->{"hour"};
devi@23: 	my $min = $cl->{"min"};
devi@23: 	my $sec = $cl->{"sec"};
devi@23: 
devi@23: 	my $min_dt = 10000;
devi@23: 
devi@23: 	for my $diff (@Diffs) {
devi@23: 			# Check here date, time and user
devi@23: 			next if ($diff->{"day"} && $cl->{"day"} && ($cl->{"day"} ne $diff->{"day"}));
devi@23: 			#next if (!$diff->{"uid"} && $cl->{"euid"} != $diff->{"uid"});
devi@23: 			
devi@23: 			my $dt=($diff->{"hour"}-$hour)*3600 +($diff->{"min"}-$min)*60 + ($diff->{"sec"}-$sec);
devi@23: 			if ($dt >0  && $dt < $min_dt && ($diff->{"time_range"} <0 || $dt < $diff->{"time_range"})) {
devi@23: 				print "Approppriate diff found: dt=$dt\n";
devi@23: 				if ($diff->{"bind_to"}) {
devi@23: 					undef $diff->{"bind_to"}->{"diff"};
devi@23: 				};
devi@23: 				$diff->{"time_range"}=$dt;
devi@23: 				$diff->{"bind_to"}=$cl;
devi@23: 
devi@23: 				$cl->{"diff"} = $diff->{"index"};
devi@23: 				$min_dt = $dt;	
devi@23: 			}
devi@23: 		
devi@23: 	}
devi@23: }
devi@23: 
devi@23: 
devi@23: sub extract_from_cline
devi@23: # Разобрать командную строку $_[1] и возвратить хэш, содержащий 
devi@23: # номер первого появление команды в строке:
devi@23: # 	команда => первая позиция
devi@23: {
devi@23: 	my $what = $_[0];
devi@23: 	my $cline = $_[1];
devi@23: 	my @lists = split /\;/, $cline;
devi@23: 	
devi@23: 	
devi@23: 	my @commands = ();
devi@23: 	for my $list (@lists) {
devi@23: 		push @commands, split /\|/, $list;
devi@23: 	}
devi@23: 
devi@23: 	my %commands;
devi@23: 	my %files;
devi@23: 	my $i=0;
devi@23: 	for my $command (@commands) {
devi@23: 		$command =~ /\s*(\S+)\s*(.*)/;
devi@23: 		if ($1 && $1 eq "sudo" ) {
devi@23: 			$commands{"$1"}=$i++;
devi@23: 			$command =~ s/\s*sudo\s+//;
devi@23: 		}
devi@23: 		$command =~ /\s*(\S+)\s*(.*)/;
devi@23: 		if ($1 && !defined $commands{"$1"}) {
devi@23: 				$commands{"$1"}=$i++;
devi@23: 		};	
devi@23: 		if ($2) {
devi@23: 			my $args = $2;
devi@23: 			my @args = split (/\s+/, $args);
devi@23: 			for my $a (@args) {
devi@23: 				$files{"$a"}=$i++
devi@23: 					if !defined $files{"$a"};
devi@23: 			};	
devi@23: 
devi@23: 				
devi@23: 		}
devi@23: 	}
devi@23: 
devi@23: 	if ($what eq "commands") {
devi@23: 		return %commands;
devi@23: 	} else {
devi@23: 		return %files;
devi@23: 	}
devi@23: 	
devi@23: }
devi@23: 
devi@23: sub load_command_lines
devi@23: {
devi@23: 	my $lab_scripts_path = $_[0];
devi@23: 	my $lab_scripts_mask = $_[1];
devi@23: 
devi@23: 	my $cline_re_base = qq'
devi@25: 			(
devi@25: 			(?:\\^?([0-9]*C?))			# exitcode
devi@23: 			(?:_([0-9]+)_)?				# uid
devi@23: 			(?:_([0-9]+)_)				# pid
devi@23: 			(...?)					# day
devi@23: 			(.?.?)					# lab
devi@23: 			\\s					# space separator
devi@23: 			([0-9][0-9]):([0-9][0-9]):([0-9][0-9])	# time
devi@23: 			.\\[50D.\\[K				# killing symbols
devi@23: 			(.*?([\$\#]\\s?))			# prompt
devi@23: 			(.*)					# command line
devi@25: 			)
devi@23: 			';
devi@23: 	#my $cline_re = qr/$cline_re_base(?:$cline_re_base|$)/x;
devi@23: 	#my $cline_re = qr/(?:$cline_re_base)*$cline_re_base$/x;
devi@23: 	my $cline_re = qr/$cline_re_base/sx;
devi@23: 	my $cline_re1 = qr/$cline_re_base\x0D/sx;
devi@23: 	my $cline_re2 = qr/$cline_re_base$/sx;
devi@23: 
devi@23: 	my $vt = Term::VT102->new (	'cols' => $Config{"terminal_width"}, 
devi@23: 					'rows' => $Config{"terminal_height"});
devi@23: 	my $cline_vt = Term::VT102->new ('cols' => $Config{"terminal_width"}, 
devi@23: 					'rows' => $Config{"terminal_height"});
devi@23: 
devi@23: 	my $converter = Text::Iconv->new($Config{"encoding"}, "utf-8")
devi@23: 		if ($Config{"encoding"} && $Config{"encoding"} !~ /^utf-8$/i);
devi@23: 		
devi@23: 	print "Loading lm-scripts...\n" if $Config{"verbose"} =~ /y/;
devi@23: 
devi@23: 	my @lab_scripts = <$lab_scripts_path/$lab_scripts_mask>;
devi@23: 	my $file;
devi@23: 	my $files_number = $#lab_scripts;
devi@23: 	my $ii = 0;
devi@23: 	my $skip_info;
devi@23: 
devi@23: 	my $commandlines_loaded =0;
devi@23: 	my $commandlines_processed =0;
devi@23: 
devi@23: 	for $file (@lab_scripts){
devi@23: 		#printf "\t%i %3.2f\n", $ii, (100*$ii++/$files_number) if $Config{"verbose"} =~ /y/;
devi@25: 		
devi@25: 		# Пропускаем файл, если он не изменялся со времени нашего предудущего прохода
devi@25: 		my $size = (stat($file))[7];
devi@25: 		next if ($Script_Files{$file} && $Script_Files{$file}->{size} && $Script_Files{$file}->{size} >= $size);
devi@23: 
devi@23: 		open (FILE, "$file");
devi@23: 		binmode FILE;
devi@25: 		
devi@25: 		# Переходим к тому месту, где мы окончили разбор
devi@25: 		seek (FILE, $Script_Files{$file}->{tell}, 0) if $Script_Files{$file}->{tell};
devi@25: 		$Script_Files{$file}->{size} = $size;
devi@25: 		$Script_Files{$file}->{tell} = 0 unless $Script_Files{$file}->{tell};
devi@25: 
devi@25: 
devi@23: 		$file =~ m@.*/(.*?)-.*@;
devi@23: 		
devi@23: 		my $tty = $1;
devi@23: 		my $first_pass = 1;
devi@23: 		my %cl;
devi@23: 		my $last_output_length=0;
devi@23: 		while (<FILE>) {
devi@25: 			
devi@23: 			$commandlines_processed++;
devi@23: 				# time
devi@23: 
devi@23: 			if (/[0-9][0-9]:[0-9][0-9]:[0-9][0-9].\[[0-9][0-9]D.\[K/ && m/$cline_re/) {
devi@23: 				s/.*\x0d(?!\x0a)//;
devi@23: 		#		print "!!!",$_,"!!!\n";
devi@23: 			#	next;
devi@23: 			#	while (m/$cline_re1/gs) {
devi@23: 			#	}
devi@23: 				m/$cline_re2/gs;
devi@23: 
devi@23: 				$commandlines_loaded++;
devi@23: 				$last_output_length=0;
devi@23: 
devi@23: 				# Previous command
devi@23: 				my %last_cl = %cl;
devi@25: 				my $err = $2 || "";
devi@23: 
devi@23: 
devi@23: =cut 
devi@23: 
devi@23: ТАБЛИЦА КОМАНД
devi@23: 
devi@23: 	uid
devi@23: 		Идентификатор пользователя
devi@23: 	
devi@23: 	tty 
devi@23: 		Идентификатор терминала, на котором была вызвана команда
devi@23: 
devi@23: 	pid
devi@23: 		PID-процесса командного интерпретатора, 
devi@23: 		в котором была вызвана команда
devi@23: 	
devi@23: 	lab 
devi@23: 		лабораторная работа, к которой относится команда.
devi@23: 		Идентификатор текущей лабораторной работы 
devi@23: 		хранится в файле ~/.labmaker/lab
devi@23: 
devi@23: 	pwd (!)
devi@23: 		текущий каталог, из которого была вызвана команда
devi@23: 
devi@23: 	day
devi@23: 		время вызова, день
devi@23: 		В действительности здесь хранится не время вызова команды,
devi@23: 		а с момента появления приглашения командного интерпретатора
devi@23: 		для ввода команды
devi@23: 		
devi@23: 	
devi@23: 	hour
devi@23: 		время вызова, час
devi@23: 	
devi@23: 	min
devi@23: 		время вызова, минута
devi@23: 	
devi@23: 	sec
devi@23: 		время вызова, секунда
devi@23: 	
devi@23: 	time (!)
devi@23: 		время вызова команды в Unix-формате.
devi@23: 		Предпочтительнее использовать этот формат чем hour:min:sec,
devi@23: 		использовавшийся в Labmaker
devi@23: 	
devi@23: 	fullprompt
devi@23: 		Приглашение командной строки
devi@23: 	
devi@23: 	prompt
devi@23: 		Сокращённое приглашение командной строки
devi@23: 
devi@23: 	cline 
devi@23: 		Командная строка
devi@23: 	
devi@23: 	output
devi@23: 		Результат выполнения команды
devi@23: 	
devi@23: 	diff
devi@23: 		Указатель на ассоциированный с командой diff
devi@23: 	
devi@23: 	note (!)
devi@23: 		Текстовый комментарий к команде.
devi@23: 		Может генерироваться из самого лога с помощью команд
devi@23: 			#^ Комментарий  
devi@23: 			#v Комментарий
devi@23: 		в том случае, если для комментирования достаточно одной строки,
devi@23: 		или с помощью команд
devi@23: 			cat > /dev/null #^ Заголовок
devi@23: 			Текст
devi@23: 			^D
devi@23: 		в том случае, если комментарий развёрнутый.
devi@23: 		В последнем случае комментарий может содержать 
devi@23: 		заголовок, абзацы и несложное форматирование.
devi@23: 
devi@23: 		Символ ^ или v после знака комментария # обозначает,
devi@23: 		к какой команде относится комментарий:
devi@23: 		к предыдущей (^) или последующей (v)
devi@23: 
devi@23: 	err 
devi@23: 		Код завершения командной строки
devi@23: 	
devi@23: 	histnum (!)
devi@23: 		Номер команды в истории командного интерпретатора
devi@23: 	
devi@23: 	status (!)
devi@23: 		Является ли данная команда вызванной (r), запомненной (s)
devi@23: 		или это подсказка completion (c).
devi@23: 		
devi@23: 		Команды, которые были вызваны и обработаны интерпретатором
devi@23: 		имеют состояние "r". К таким командам относится большинство 
devi@23: 		команд вводимых в интерпретатор.
devi@23: 
devi@23: 		Если команда набрана, но вызывать её по какой-либо причине
devi@23: 		не хочется (например, команда может быть не полной, вредоносной
devi@23: 		или просто бессмысленной в текущих условиях),
devi@23: 		её можно сбросить с помощью комбинации клавиш Ctrl-C
devi@23: 		(не путайте с прерыванием работающей команды! здесь она даже
devi@23: 		не запускается!).
devi@23: 		В таком случае она не выполняется, но попадает в журнал
devi@23: 		со статусом "s".
devi@23: 		
devi@23: 		Если команда появилась в журнале благодаря автопроолжению 
devi@23: 		-- когда было показано несколько вариантов --
devi@23: 		она имеет статус "c".
devi@23: 	
devi@23: 	euid
devi@23: 		Идентификатор пользователя от имени которого будет 
devi@23: 		выполняться команда.
devi@23: 		Может отличаться от реального uid в том случае,
devi@23: 		если вызывается с помощью sudo
devi@23: 
devi@23: 	
devi@23: 	version (!)
devi@23: 		Версия lilalo-prompt использовавшаяся при записи
devi@23: 		команды.
devi@23: 
devi@23: 		0 - версия использовавшая в labmaker.
devi@23: 			Отсутствует информация о текущем каталоге и номере в истории. 
devi@23: 			Информация о версии также не указана в приглашении.
devi@23: 			
devi@23: 		
devi@23: 		1 - версия использующаяся в lilalo
devi@23: 		
devi@23: 	raw_file (*)
devi@23: 		Имя файла, в котором находится бинарное представление журнала.
devi@23: 		Может содержать ключевое слово HERE, 
devi@23: 		обозначающее что бинарное представление хранится
devi@23: 		непосредственно в базе данных в атрибуте raw_data
devi@23: 
devi@23: 	raw_start (*)
devi@23: 		Начало блока командной строки в файле бинарного представления
devi@23: 	
devi@25: 	raw_output_start (*)
devi@25: 		Начало блока вывода
devi@25: 	
devi@23: 	raw_end (*)
devi@23: 		Конец блока командной строки в файле бинарного представления
devi@23: 
devi@23: 	raw_cline (*)
devi@25: 		Необработанная командная строка (без приглашения) в бинарном виде
devi@23: 	
devi@23: 	raw_data (*)
devi@23: 		Бинарное представление команды и результатов её выполнения
devi@23: 
devi@23: 
devi@23: 
devi@23: 	
devi@23: ТАБЛИЦА SESSION
devi@23: 	
devi@23: 	Информация о сеансах
devi@23: 
devi@23: 
devi@23: 
devi@23: 
devi@23: =cut
devi@23: 
devi@23: 				# Parse new command 
devi@25: 				$cl{"uid"} = $3;
devi@23: 				$cl{"euid"} = $cl{"uid"};	# Если в команде обнаружится sudo, euid поменяем на 0
devi@25: 				$cl{"pid"} = $4;
devi@25: 				$cl{"day"} = $5;
devi@25: 				$cl{"lab"} = $6;
devi@25: 				$cl{"hour"} = $7;
devi@25: 				$cl{"min"} = $8;
devi@25: 				$cl{"sec"} = $9;
devi@25: 				$cl{"fullprompt"} = $10;
devi@25: 				$cl{"prompt"} = $11;
devi@25: 				$cl{"raw_cline"} = $12;	
devi@25: 
devi@25: 				{
devi@25: 				use bytes;
devi@25: 				$cl{"raw_start"} = tell (FILE) - length($1);
devi@25: 				$cl{"raw_output_start"} = tell FILE;
devi@25: 				}
devi@25: 				$cl{"raw_file"} = $file;
devi@23: 
devi@23: 				$cl{"err"} = 0;
devi@23: 				$cl{"output"} = "";
devi@23: 				$cl{"tty"} = $tty;
devi@23: 
devi@23: 				$cline_vt->process($cl{"raw_cline"}."\n");
devi@23: 				$cl{"cline"} = $cline_vt->row_plaintext (1);
devi@23: 				$cl{"cline"} =~ s/\s*$//;
devi@23: 				$cline_vt->reset();
devi@23: 
devi@23: 				my %commands = extract_from_cline("commands", $cl{"cline"});
devi@23: 				$cl{"euid"}=0 if defined $commands{"sudo"};
devi@23: 				my @comms = sort { $commands{$a} cmp $commands{$b} } keys %commands; 
devi@23: 				$cl{"last_command"} = $comms[$#comms] || ""; 
devi@23: 		
devi@23: 				if (
devi@23: 				$Config{"suppress_editors"} =~ /^y/i 
devi@23: 					&& grep ($_ eq $cl{"last_command"}, @{$Config{"editors"}}) ||
devi@23: 				$Config{"suppress_pagers"}  =~ /^y/i 
devi@23: 					&& grep ($_ eq $cl{"last_command"}, @{$Config{"pagers"}}) ||
devi@23: 				$Config{"suppress_terminal"}=~ /^y/i 
devi@23: 					&& grep ($_ eq $cl{"last_command"}, @{$Config{"terminal"}})
devi@23: 				) {
devi@23: 					$cl{"suppress_output"} = "1";
devi@23: 				}
devi@23: 				else {
devi@23: 					$cl{"suppress_output"} = "0";
devi@23: 					
devi@23: 				}
devi@23: 				$skip_info = 0;
devi@23: 
devi@23: 
devi@23: 				print " ",$cl{"last_command"};
devi@23: 
devi@23: 				# Processing previous command line
devi@23: 				if ($first_pass) {
devi@23: 					$first_pass = 0;
devi@23: 					next;
devi@23: 				}
devi@23: 
devi@23: 				# Error code
devi@25: 				$last_cl{"raw_end"} = $cl{"raw_start"};
devi@23: 				$last_cl{"err"}=$err;
devi@23: 				$last_cl{"err"}=130 if $err eq "^C";
devi@23: 
devi@23: 				if (grep ($_ eq $last_cl{"last_command"}, @{$Config{"editors"}})) {
devi@23: 					bind_diff(\%last_cl);
devi@23: 				}
devi@23: 
devi@23: 				# Output
devi@23: 				if (!$last_cl{"suppress_output"} || $last_cl{"err"}) {
devi@23: 					for (my $i=0; $i<$Config{"terminal_height"}; $i++) {
devi@23: 						my $line= $vt->row_plaintext($i);
devi@23: 						next if !defined ($line) || $line =~ /^\s*$/;
devi@23: 						$line =~ s/\s*$//;
devi@23: 						$last_cl{"output"} .= $line."\n";
devi@23: 					}
devi@23: 				}
devi@23: 				else {
devi@23: 					$last_cl{"output"}= "";
devi@23: 				}
devi@23: 
devi@23: 				$vt->reset();
devi@23: 
devi@23: 
devi@23: 				# Classifying the command line
devi@23: 
devi@23: 
devi@23: 				# Save 
devi@23: 				if (!$Config{"lab"} || $cl{"lab"} eq $Config{"lab"}) {
devi@23: 					# Changing encoding 
devi@23: 					for (keys %last_cl) {
devi@25: 						next if /raw/;
devi@23: 						$last_cl{$_} = $converter->convert($last_cl{$_})
devi@23: 							if ($Config{"encoding"} && 
devi@23: 							$Config{"encoding"} !~ /^utf-8$/i);
devi@23: 					}
devi@23: 					push @Command_Lines, \%last_cl;	
devi@25: 
devi@25: 					# Сохранение позиции в файле, до которой выполнен
devi@25: 					# успешный разбор
devi@25: 					$Script_Files{$file}->{tell} = $last_cl{raw_end};
devi@23: 				}	
devi@23: 				next;
devi@23: 			}
devi@23: 			$last_output_length+=length($_);
devi@23: 			#if (!$cl{"suppress_output"} || $last_output_length < 5000) {
devi@23: 			if ($last_output_length < 50000) {
devi@23: 				#print "(",length($_),")" if (length($_) > 2000) ;
devi@23: 				$vt->process("$_"."\n") 
devi@23: 			}
devi@23: 			else
devi@23: 			{
devi@23: 				if (!$skip_info) {
devi@23: 					print "($cl{last_command})";
devi@23: 					$skip_info = 1;
devi@23: 				}
devi@23: 			}
devi@23: 		}	
devi@23: 		close(FILE);
devi@23: 
devi@23: 	}
devi@23: 	if ($Config{"verbose"} =~ /y/) {
devi@23: 		print "...finished." ;
devi@23: 		print "Lines loaded: $commandlines_processed\n";
devi@23: 		print "Command lines: $commandlines_loaded\n";
devi@23: 	}
devi@23: }
devi@23: 
devi@23: 
devi@23: 
devi@23: sub printq
devi@23: {
devi@23: 	my $TO = shift;
devi@23: 	my $text = join "", @_;
devi@23: 	$text =~ s/&/&amp;/g;
devi@23: 	$text =~ s/</&lt;/g;
devi@23: 	$text =~ s/>/&gt;/g;
devi@23: 	print $TO $text;
devi@23: }
devi@23: 
devi@23: 
devi@23: sub sort_command_lines
devi@23: {
devi@23: 	print "Sorting command lines...\n" if $Config{"verbose"} =~ /y/;
devi@23: 
devi@23: 	# Sort Command_Lines
devi@23: 	# Write Command_Lines to Command_Lines_Index
devi@23: 
devi@23: 	my @index;
devi@23: 	for (my $i=0;$i<=$#Command_Lines;$i++) {
devi@23: 		$index[$i]=$i;
devi@23: 	}
devi@23: 
devi@23: 	@Command_Lines_Index = sort {
devi@23: 		$Command_Lines[$index[$a]]->{"day"} cmp $Command_Lines[$index[$b]]->{"day"} ||
devi@23: 		$Command_Lines[$index[$a]]->{"hour"} <=> $Command_Lines[$index[$b]]->{"hour"} ||
devi@23: 		$Command_Lines[$index[$a]]->{"min"} <=> $Command_Lines[$index[$b]]->{"min"} ||
devi@23: 		$Command_Lines[$index[$a]]->{"sec"} <=> $Command_Lines[$index[$b]]->{"sec"}
devi@23: 	} @index;
devi@23: 
devi@23: 	print "...finished\n" if $Config{"verbose"} =~ /y/;
devi@23: 
devi@23: }
devi@23: 
devi@23: sub process_command_lines
devi@23: {
devi@23: 	for my $i (@Command_Lines_Index) {
devi@23: 
devi@23: 		my $cl = \$Command_Lines[$i];
devi@23: 		@{${$cl}->{"new_commands"}} =();
devi@23: 		@{${$cl}->{"new_files"}} =();
devi@23: 		$$cl->{"class"} = ""; 
devi@23: 
devi@23: 		if ($$cl->{"err"}) {
devi@23: 			$$cl->{"class"}="wrong";
devi@23: 			$$cl->{"class"}="interrupted"
devi@23: 				if ($$cl->{"err"} eq 130);
devi@23: 		}	
devi@23: 		if (!$$cl->{"euid"}) {
devi@23: 			$$cl->{"class"}.="_root";
devi@23: 		}
devi@23: 		
devi@23: #tab#		my @tab_words=split /\s+/, $$cl->{"output"};
devi@23: #tab#		my $last_word= $$cl->{"cline"} =~ /(\S*)$/;
devi@23: #tab#		$last_word =~ s@.*/@@;
devi@23: #tab#		my $this_is_tab=1;
devi@23: #tab#
devi@23: #tab#		if ($last_word && @tab_words >2) {
devi@23: #tab#			for my $tab_words (@tab_words) {
devi@23: #tab#				if ($tab_words !~ /^$last_word/) {
devi@23: #tab#					$this_is_tab=0;
devi@23: #tab#					last;
devi@23: #tab#				}
devi@23: #tab#			}
devi@23: #tab#		}	
devi@23: #tab#		$$cl->{"class"}="tab" if $this_is_tab;
devi@23: 		
devi@23: 
devi@23: 		if ( !$$cl->{"err"}) {
devi@23: 			# Command does not contain mistakes
devi@23: 			
devi@23: 			my %commands = extract_from_cline("commands", ${$cl}->{"cline"});
devi@23: 			my %files = extract_from_cline("files", ${$cl}->{"cline"});
devi@23: 
devi@23: 			# Searching for new commands only
devi@23: 			for my $command (keys  %commands) {
devi@23: 				if (!defined $Commands_Stat{$command}) {
devi@23: 					push @{$$cl->{new_commands}}, $command;
devi@23: 				}	
devi@23: 				$Commands_Stat{$command}++;
devi@23: 			}
devi@23: 			
devi@23: 			for my $file (keys  %files) {
devi@23: 				if (!defined $Files_Stat{$file}) {
devi@23: 					push @{$$cl->{new_files}}, $file;
devi@23: 				}	
devi@23: 				$Files_Stat{$file}++;
devi@23: 			}
devi@23: 		}	
devi@23: 	}	
devi@23: 
devi@23: }
devi@23: 
devi@23: 
devi@23: =cut 
devi@23: Вывести результат обработки журнала.
devi@23: =cut
devi@23: 
devi@23: 
devi@23: sub print_command_lines
devi@23: {
devi@23: 	my $output_filename=$_[0];
devi@25: 	my $mode = ">";
devi@25: 	$mode =">>" if $Config{mode} eq "daemon";
devi@25: 	open(OUT, $mode, $output_filename)
devi@23: 		or die "Can't open $output_filename for writing\n";
devi@23: 
devi@23: 
devi@23: 
devi@25: 	#print OUT "<livelablog>\n";
devi@23: 
devi@23: 	my $cl;
devi@23: 	my $in_range=0;
devi@23: 	for my $i (@Command_Lines_Index) {
devi@23: 		$cl = $Command_Lines[$i];
devi@23: 
devi@23: 		if ($Config{"from"} && $cl->{"cline"} =~ /$Config{"signature"}\s*$Config{"from"}/) {
devi@23: 			$in_range=1;
devi@23: 			next;
devi@23: 		}
devi@23: 		if ($Config{"to"} && $cl->{"cline"} =~ /$Config{"signature"}\s*$Config{"to"}/) {
devi@23: 			$in_range=0;
devi@23: 			next;
devi@23: 		}
devi@23: 		next if ($Config{"from"} && $Config{"to"} && !$in_range) 
devi@23: 			||
devi@23: 		    	($Config{"skip_empty"} =~ /^y/i && $cl->{"cline"} =~ /^\s*$/ )
devi@23: 			||
devi@23: 			($Config{"skip_wrong"} =~ /^y/i && $cl->{"err"} != 0)
devi@23: 			||
devi@23: 			($Config{"skip_interrupted"} =~ /^y/i && $cl->{"err"} == 130);
devi@23: 		
devi@23: 		my @new_commands=@{$cl->{"new_commands"}};
devi@23: 		my @new_files=@{$cl->{"new_files"}};
devi@23: 
devi@23: 		my $cl_class="cline";
devi@23: 		my $out_class="output";
devi@23: 		if ($cl->{"class"}) {
devi@23: 			$cl_class = $cl->{"class"}."_".$cl_class;
devi@23: 			$out_class = $cl->{"class"}."_".$out_class;
devi@23: 		}
devi@23: 
devi@23: 		# Вырезаем из вывода только нужное количество строк
devi@23: 
devi@23: 		my $output="";
devi@23: 		if ($Config{"head_lines"} || $Config{"tail_lines"}) {
devi@23: 			# Partialy output
devi@23: 			my @lines = split '\n', $cl->{"output"};
devi@23: 			# head
devi@23: 			my $mark=1;
devi@23: 			for (my $i=0; $i<= $#lines && $i < $Config{"cache_head_lines"}; $i++) {
devi@23: 				$output .= $lines[$i]."\n";
devi@23: 			}
devi@23: 			# tail
devi@23: 			my $start=$#lines-$Config{"cache_tail_lines"}+1;
devi@23: 			if ($start < 0) {
devi@23: 				$start=0;
devi@23: 				$mark=0;
devi@23: 			}	
devi@23: 			if ($start < $Config{"cache_head_lines"}) {
devi@23: 				$start=$Config{"cache_head_lines"};
devi@23: 				$mark=0;
devi@23: 			}	
devi@23: 			$output .= $Config{"skip_text"}."\n" if $mark;
devi@23: 			for (my $i=$start; $i<= $#lines; $i++) {
devi@23: 				$output .= $lines[$i]."\n";
devi@23: 			}
devi@23: 		} 
devi@23: 		else {
devi@23: 			# Full output
devi@23: 			$output .= $cl->{"output"};
devi@23: 		}	
devi@23: 		$output .= "^C\n" if ($cl->{"err"} eq "130");
devi@23: 
devi@23: 
devi@23: 		# Совместимость с labmaker
devi@23: 
devi@23: 		# Переводим в секунды Эпохи
devi@23: 		# В labmaker'е данные хранились в неудобной форме: hour, min, sec, day of year
devi@23: 		# Информация о годе отсутствовала
devi@23: 		# Её можно внести: 
devi@23: 		# Декабрь 2004 год; остальные -- 2005 год.
devi@23: 
devi@23: 		my $year = 2005;
devi@23: 		$year = 2004 if ( $cl->{day} > 330 );
devi@23: 		# timelocal(			$sec,	   $min,      $hour,      $mday,$mon,$year);
devi@23: 		$cl->{time} = timelocal_nocheck($cl->{sec},$cl->{min},$cl->{hour},$cl->{day},0,$year);
devi@23: 
devi@23: 
devi@23: 		# Начинаем вывод команды
devi@23: 		print OUT "<command>\n";
devi@23: 		print OUT "<time>",$cl->{time},"</time>\n";
devi@25: 		print OUT "<raw_start>",$cl->{raw_start},"</raw_start>\n";
devi@25: 		print OUT "<raw_output_start>",$cl->{raw_output_start},"</raw_output_start>\n";
devi@25: 		print OUT "<raw_end>",$cl->{raw_end},"</raw_end>\n";
devi@25: 		print OUT "<raw_file>",$cl->{raw_file},"</raw_file>\n";
devi@23: 		print OUT "<tty>",$cl->{tty},"</tty>\n";
devi@23: 		print OUT "<out_class>",$out_class,"</out_class>\n";
devi@23: 		print OUT "<prompt>";
devi@23: 			printq(\*OUT,,$cl->{"prompt"});
devi@23: 		print OUT "</prompt>";
devi@23: 		print OUT "<cline>";
devi@23: 			printq(\*OUT,$cl->{"cline"});
devi@23: 		print OUT "</cline>\n";
devi@23: 		print OUT "<last_command>",$cl->{"last_command"},"</last_command>\n";
devi@23: 		if (@new_commands) {
devi@23: 			print OUT "<new_commands>";
devi@23: 			printq(\*OUT, join (" ", @new_commands));
devi@23: 			print OUT "</new_commands>";
devi@23: 		}
devi@23: 		if (@new_files) {
devi@23: 			print OUT "<new_files>";
devi@23: 			printq(\*OUT, join (" ", @new_files));
devi@23: 			print OUT "</new_files>";
devi@23: 		}
devi@23: 		print OUT "<output>";
devi@23: 			printq(\*OUT,$output);
devi@23: 		print OUT "</output>\n";
devi@23: 		if ($cl->{"diff"}) {
devi@23: 			print OUT "<diff>";
devi@23: 				printq(\*OUT,${$Diffs[$cl->{"diff"}]}{"text"});
devi@23: 			print OUT "</diff>\n";
devi@23: 		}
devi@23: 		print OUT "</command>\n";
devi@23: 
devi@23: 	}
devi@23: 
devi@25: 	#print OUT "</livelablog>\n";
devi@23: 	close(OUT);
devi@25: 	save_cache_stat();
devi@23: }
devi@23: 
devi@25: sub save_cache_stat
devi@25: {
devi@25: 	open (CACHE, ">$Config{cache_stat}");
devi@25: 	for my $f (keys %Script_Files) {
devi@25: 		print CACHE "$f\t",$Script_Files{$f}->{size},"\t",$Script_Files{$f}->{tell},"\n";
devi@25: 	}
devi@25: 	close(CACHE);
devi@25: }
devi@25: 
devi@25: sub load_cache_stat
devi@25: {
devi@25: 	if (open (CACHE, "$Config{cache_stat}")) {
devi@25: 		while(<CACHE>) {
devi@25: 			my ($f, $size, $tell) = split /\t/;
devi@25: 			$Script_Files{$f}->{size} = $size;
devi@25: 			$Script_Files{$f}->{tell} = $tell;
devi@25: 		}
devi@25: 		close(CACHE);
devi@25: 	};
devi@25: }
devi@23: 
devi@23: =cut
devi@23: sub print_command_lines2
devi@23: {
devi@23: 	my $output_filename=$_[0];
devi@23: 	open(OUT, ">", $output_filename)
devi@23: 		or die "Can't open $output_filename for writing\n";
devi@23: 
devi@23: 
devi@23: 	print OUT <<OUT;
devi@23: <log>
devi@23: OUT
devi@23: 
devi@23: 	my $cl;
devi@23: 	for my $i (@Command_Lines_Index) {
devi@23: 
devi@23: 		
devi@23: 		$cl = $Command_Lines[$i];
devi@23: 
devi@23: 
devi@23: # Printing out
devi@23: 		print OUT <<OUT;
devi@23: 	<command>
devi@23: 		<day>$cl->{day}</day>
devi@23: 		<hour>$cl->{hour}</hour>
devi@23: 		<min>$cl->{min}</min>
devi@23: 		<sec>$cl->{sec}</sec>
devi@23: 		<tty>$cl->{tty}</tty>
devi@23: 		<uid>$cl->{uid}</uid>
devi@23: 		<euid>$cl->{euid}</euid>
devi@23: 		<prompt>$cl->{prompt}</prompt>
devi@23: 		<cline>$cl->{cline}</cline>
devi@23: 		<status>$cl->{err}</cline>
devi@23: 		<output>
devi@23: $cl->{output}</output>
devi@23: 	</command>
devi@23: OUT
devi@23: 	}
devi@23: 
devi@23: 	for my $diff (@Diffs) {
devi@23: 
devi@23: 		print OUT <<OUT;
devi@23: 	<diff>
devi@23: 		<path>$diff->{path}</path>
devi@23: 		<uid>$diff->{uid}</uid>
devi@23: 		<day>$diff->{day}</day>
devi@23: 		<hour>$diff->{hour}</hour>
devi@23: 		<min>$diff->{min}</min>
devi@23: 		<sec>$diff->{sec}</sec>
devi@23: 		<text>
devi@23: $diff->{text}</text>
devi@23: 	</diff>
devi@23: OUT
devi@23: 	}
devi@23: 
devi@23: 	print OUT <<OUT;
devi@23: </log>
devi@23: OUT
devi@23: }
devi@23: =cut
devi@23: 
devi@23: main();
devi@23: 
devi@25: sub process_was_killed
devi@25: {
devi@25: 	$Killed = 1;
devi@25: }
devi@25: 
devi@23: sub main
devi@23: {
devi@23: $| = 1;
devi@23: 
devi@23: init_variables();
devi@23: init_config();
devi@23: 
devi@23: for my $lab_log (split (/\s+/, $Config{"diffs"} || $Config{"input"})) {
devi@23: 	load_diff_files($lab_log);
devi@23: }
devi@23: 
devi@25: if ($Config{"mode"} ne "daemon") {
devi@25: 	load_command_lines($Config{"input"}, $Config{"input_mask"});
devi@25: 	sort_command_lines;
devi@25: 	process_command_lines;
devi@25: 	print_command_lines($Config{"cache"});
devi@25: } 
devi@25: else {
devi@25: 	if (open(PIDFILE, $Config{agent_pidfile})) {
devi@25: 		my $pid = <PIDFILE>;
devi@25: 		close(PIDFILE);
devi@25: 		if ( ! -e "/proc/$pid" || !`grep $Config{"l3-agent"} /proc/$pid/cmdline && grep "uid:.*\b$<\b" /proc/$pid/status`) {
devi@25: 			print "Removing stale pidfile\n";
devi@25: 			unlink $Config{agent_pidfile};
devi@25: 				or die "Can't remove stale pidfile ". $Config{agent_pidfile}. " : $!";
devi@25: 		}
devi@25: 		else {
devi@25: 			print "l3-agent is already running\n";
devi@25: 			exit(0);
devi@25: 		}
devi@25: 	}
devi@25: 	if ($Config{detach} =~ /^y/i) {
devi@25: 		#$Config{verbose} = "no";
devi@25: 		my $pid = fork;
devi@25: 		exit if $pid;
devi@25: 		die "Couldn't fork: $!" unless defined ($pid);
devi@25: 
devi@25: 		open(PIDFILE, ">", $Config{agent_pidfile})
devi@25: 			or die "Can't open pidfile ". $Config{agent_pidfile}. " for wrting: $!";
devi@25: 		print PIDFILE $$;
devi@25: 		close(PIDFILE);
devi@25: 
devi@25: 		for my $handle (*STDIN, *STDOUT, *STDERR) {
devi@25: 			open ($handle, "+<", "/dev/null")
devi@25: 				or die "can't reopen $handle to /dev/null: $!"
devi@25: 		}
devi@25: 
devi@25: 		POSIX::setsid()
devi@25: 			or die "Can't start a new session: $!";
devi@25: 
devi@25: 		$0 = $Config{"l3-agent"};
devi@25: 		
devi@25: 		$SIG{INT} = $SIG{TERM} = $SIG{HUP} = \&process_was_killed;
devi@25: 	}
devi@25: 	while (not $Killed) {
devi@25: 		@Command_Lines = ();
devi@25: 		@Command_Lines_Index = ();
devi@25: 		load_cache_stat();
devi@25: 		load_command_lines($Config{"input"}, $Config{"input_mask"});
devi@25: 		if (@Command_Lines) {
devi@25: 			sort_command_lines;
devi@25: 			process_command_lines;
devi@25: 			print_command_lines($Config{"cache"});
devi@25: 		}
devi@25: 		sleep($Config{"daemon_sleep_interval"} || 1);
devi@25: 	}
devi@25: 	
devi@25: 	unlink $Config{agent_pidfile};
devi@25: }
devi@23: 
devi@23: }
devi@23: 
devi@23: sub init_variables
devi@23: {
devi@23: }