2 #-----------------------------------------------------------------------------
3 # Allows you to get one unique output log file, sorted on date,
4 # built from particular sources.
5 # This tool is part of AWStats log analyzer but can be use
6 # alone for any other log analyzer.
7 # See COPYING.TXT file about AWStats GNU General Public License.
8 #-----------------------------------------------------------------------------
9 # $Revision: 1.34 $ - $Author: eldy $ - $Date: 2005/12/04 21:10:46 $
11 use strict; no strict "refs";
14 #-----------------------------------------------------------------------------
16 #-----------------------------------------------------------------------------
18 # ENABLETHREAD --> COMMENT THIS BLOCK TO USE A THREADED VERSION
21 my $NbOfDNSLookupAsked = 0;
24 my %TmpDNSLookup = ();
26 # ENABLETHREAD --> UNCOMMENT THIS BLOCK TO USE A THREADED VERSION
29 #my $NbOfDNSLookupAsked : shared = 0;
30 #my %threadarray : shared = ();
31 #my %MyDNSTable : shared = ();
32 #my %TmpDNSLookup : shared = ();
35 # ---------- Init variables --------
36 use vars qw/ $REVISION $VERSION /;
37 $REVISION='$Revision: 1.34 $'; $REVISION =~ /\s(.*)\s/; $REVISION=$1;
38 $VERSION="1.2 (build $REVISION)";
40 use vars qw/ $NBOFLINESFORBENCHMARK /;
41 $NBOFLINESFORBENCHMARK=8192;
45 $Debug $ShowSteps $AddFileNum $AddFileName
46 $MaxNbOfThread $DNSLookup $DNSCache $DirCgi $DirData $DNSLookupAlreadyDone
47 $NbOfLinesShowsteps $AFINET $QueueCursor
61 $DNSLookupAlreadyDone=0;
62 $NbOfLinesShowsteps=0;
65 # ---------- Init arrays --------
70 # ---------- Init hash arrays --------
72 %LogFileToDo %linerecord %timerecord %corrupted
73 %QueueHostsToResolve %QueueRecords
75 %LogFileToDo = %linerecord = %timerecord = %corrupted = ();
76 %QueueHostsToResolve = %QueueRecords = ();
78 # DRA2: the order of timerecords are kept here, each index in the array is the filerecordnumber, which
79 # DRA2: is used as the key for the other hashes
83 @timerecordorder = ();
85 # ---------- External Program variables ----------
86 # For gzip compression
88 my $zcat_file = '\.gz$';
91 my $bzcat_file = '\.bz2$';
95 #-----------------------------------------------------------------------------
97 #-----------------------------------------------------------------------------
99 #------------------------------------------------------------------------------
100 # Function: Write an error message and exit
101 # Parameters: $message
105 #------------------------------------------------------------------------------
107 print STDERR "Error: $_[0].\n";
111 #------------------------------------------------------------------------------
112 # Function: Write a debug message
113 # Parameters: $message
117 #------------------------------------------------------------------------------
119 my $level = $_[1] || 1;
120 if ($Debug >= $level) {
121 my $debugstring = $_[0];
122 print "DEBUG $level - ".localtime(time())." : $debugstring\n";
126 #------------------------------------------------------------------------------
127 # Function: Write a warning message
128 # Parameters: $message
132 #------------------------------------------------------------------------------
134 my $messagestring=shift;
135 if ($Debug) { debug("$messagestring",1); }
136 print STDERR "$messagestring\n";
139 #-----------------------------------------------------------------------------
140 # Function: Return 1 if string contains only ascii chars
143 #-----------------------------------------------------------------------------
146 if ($Debug) { debug("IsAscii($string)",5); }
147 if ($string =~ /^[\w\+\-\/\\\.%,;:=\"\'&?!\s]+$/) {
148 if ($Debug) { debug(" Yes",5); }
149 return 1; # Only alphanum chars (and _) or + - / \ . % , ; : = " ' & ? space \t
151 if ($Debug) { debug(" No",5); }
155 #-----------------------------------------------------------------------------
156 # DRA Function: Return 1 if DNS lookup should be skipped
159 #-----------------------------------------------------------------------------
161 foreach my $match (@SkipDNSLookupFor) { if ($_[0] =~ /$match/i) { return 1; } }
162 0; # Not in @SkipDNSLookupFor
165 #-----------------------------------------------------------------------------
166 # Function: Function that wait for DNS lookup (can be threaded)
169 #-----------------------------------------------------------------------------
172 $NbOfDNSLookupAsked++;
173 use Socket; $AFINET=AF_INET;
175 $tid=$MaxNbOfThread?eval("threads->self->tid()"):0;
176 if ($Debug) { debug(" ***** Thread id $tid: MakeDNSlookup started (for $ipaddress)",4); }
177 my $lookupresult=gethostbyaddr(pack("C4",split(/\./,$ipaddress)),$AFINET); # This is very slow, may took 20 seconds
178 if (! $lookupresult || $lookupresult =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/ || ! IsAscii($lookupresult)) {
179 $TmpDNSLookup{$ipaddress}='*';
182 $TmpDNSLookup{$ipaddress}=$lookupresult;
184 if ($Debug) { debug(" ***** Thread id $tid: MakeDNSlookup done ($ipaddress resolved into $TmpDNSLookup{$ipaddress})",4); }
185 delete $threadarray{$ipaddress};
189 #-----------------------------------------------------------------------------
190 # Function: WriteRecordsReadyInQueue
193 #-----------------------------------------------------------------------------
194 sub WriteRecordsReadyInQueue {
195 my $logfilechosen=shift;
196 if ($Debug) { debug("Check head of queue to write records ready to flush (QueueCursor=$QueueCursor, QueueSize=".(scalar keys %QueueRecords).")",4); }
197 while ( $QueueHostsToResolve{$QueueCursor} && ( ($QueueHostsToResolve{$QueueCursor} eq '*') || ($MyDNSTable{$QueueHostsToResolve{$QueueCursor}}) || ($TmpDNSLookup{$QueueHostsToResolve{$QueueCursor}}) ) ) {
198 # $QueueCursor point to a ready record
199 if ($QueueHostsToResolve{$QueueCursor} eq '*') {
200 if ($Debug) { debug(" First elem in queue is ready. No change on it. We pull it.",4); }
203 if ($MyDNSTable{$QueueHostsToResolve{$QueueCursor}}) {
204 if ($MyDNSTable{$QueueHostsToResolve{$QueueCursor}} ne '*') {
205 $QueueRecords{$QueueCursor}=~s/$QueueHostsToResolve{$QueueCursor}/$MyDNSTable{$QueueHostsToResolve{$QueueCursor}}/;
206 if ($Debug) { debug(" First elem in queue has been resolved (found in MyDNSTable $MyDNSTable{$QueueHostsToResolve{$QueueCursor}}). We pull it.",4); }
209 elsif ($TmpDNSLookup{$QueueHostsToResolve{$QueueCursor}}) {
210 if ($TmpDNSLookup{$QueueHostsToResolve{$QueueCursor}} ne '*') {
211 $QueueRecords{$QueueCursor}=~s/$QueueHostsToResolve{$QueueCursor}/$TmpDNSLookup{$QueueHostsToResolve{$QueueCursor}}/;
212 if ($Debug) { debug(" First elem in queue has been resolved (found in TmpDNSLookup $TmpDNSLookup{$QueueHostsToResolve{$QueueCursor}}). We pull it.",4); }
216 # Record is ready, we output it.
217 if ($AddFileNum) { print "$logfilechosen "; }
218 if ($AddFileName) { print "$LogFileToDo{$logfilechosen} "; }
219 print "$QueueRecords{$QueueCursor}\n";
220 delete $QueueRecords{$QueueCursor};
221 delete $QueueHostsToResolve{$QueueCursor};
227 #-----------------------------------------------------------------------------
228 # Function: Check if thread are enabled or not
231 #-----------------------------------------------------------------------------
232 sub Check_Thread_Use {
233 if ($] >= 5.008) { for (0..@ARGV-1) { if ($ARGV[$_] =~ /^-dnslookup[:=](\d{1,2})/i) {
235 if (!eval ('require "threads.pm";')) { &error("Failed to load perl module 'threads' required for multi-threaded DNS lookup".($@?": $@":"")); }
236 if (!eval ('require "threads/shared.pm";')) { &error("Failed to load perl module 'threads::shared' required for multi-threaded DNS lookup".($@?": $@":"")); }
238 else { &error("Multi-thread is disabled in default version of this script.\nYou must manually edit the file '$0' to comment/uncomment all\nlines marked with 'ENABLETHREAD' string to enable multi-threading"); }
244 #-----------------------------------------------------------------------------
246 #-----------------------------------------------------------------------------
247 ($DIR=$0) =~ s/([^\/\\]*)$//; ($PROG=$1) =~ s/\.([^\.]*)$//; $Extension=$1;
249 # Get parameters (Note: $MaxNbOfThread is already known
252 if ($ARGV[$_] =~ /^-/) {
253 if ($ARGV[$_] =~ /debug=(\d)/i) { $Debug=$1; }
254 elsif ($ARGV[$_] =~ /dnscache=/i) { $DNSLookup||=2; $DNSCache=$ARGV[$_]; $DNSCache =~ s/-dnscache=//; }
255 elsif ($ARGV[$_] =~ /dnslookup[:=](\d{1,2})/i) { $DNSLookup||=1; $MaxNbOfThread=$1; }
256 elsif ($ARGV[$_] =~ /dnslookup/i) { $DNSLookup||=1; }
257 elsif ($ARGV[$_] =~ /showsteps/i) { $ShowSteps=1; }
258 elsif ($ARGV[$_] =~ /addfilenum/i) { $AddFileNum=1; }
259 elsif ($ARGV[$_] =~ /addfilename/i) { $AddFileName=1; }
260 else { print "Unknown argument $ARGV[$_] ignored\n"; }
263 push @ParamFile, $ARGV[$_];
267 if ($Debug) { $|=1; }
270 debug(ucfirst($PROG)." - $VERSION - Perl $^X $]",1);
271 debug("DNSLookup=$DNSLookup");
272 debug("DNSCache=$DNSCache");
273 debug("MaxNbOfThread=$MaxNbOfThread");
276 # Disallow MaxNbOfThread and Perl < 5.8
277 if ($] < 5.008 && $MaxNbOfThread) {
278 error("Multi-threaded DNS lookup is only supported with Perl 5.8 or higher (not $]). Use -dnslookup option instead");
281 # Warning, there is a memory hole in ActiveState perl version (in delete functions)
282 if ($^X =~ /activestate/i || $^X =~ /activeperl/i) {
287 if (scalar @ParamFile == 0) {
288 print "----- $PROG $VERSION (c) Laurent Destailleur -----\n";
289 print "$PROG allows you to get one unique output log file, sorted on date,\n";
290 print "built from particular sources:\n";
291 print " - It can read several input log files,\n";
292 print " - It can read .gz/.bz2 log files,\n";
293 print " - It can also makes a fast reverse DNS lookup to replace\n";
294 print " all IP addresses into host names in resulting log file.\n";
295 print "$PROG comes with ABSOLUTELY NO WARRANTY. It's a free software\n";
296 print "distributed with a GNU General Public License (See COPYING.txt file).\n";
297 print "$PROG is part of AWStats but can be used alone as a log merger\n";
298 print "or resolver before using any other log analyzer.\n";
301 print " $PROG.$Extension [options] file\n";
302 print " $PROG.$Extension [options] file1 ... filen\n";
303 print " $PROG.$Extension [options] *.*\n";
304 print " perl $PROG.$Extension [options] *.* > newfile\n";
306 print " -dnslookup make a reverse DNS lookup on IP adresses\n";
307 print " -dnslookup=n same with a n parallel threads instead of serial requests\n";
308 print " -dnscache=file make DNS lookup from cache file first before network lookup\n";
309 print " -showsteps print on stderr benchmark information every $NBOFLINESFORBENCHMARK lines\n";
310 print " -addfilenum if used with several files, file number can be added in first\n";
311 print " -addfilename if used with several files, file name can be added in first\n";
312 print " field of output file. This can be used to add a cluster id\n";
313 print " when log files come from several load balanced computers.\n";
316 print "This runs $PROG in command line to open one or several\n";
317 print "server log files to merge them (sorted on date) and/or to make a reverse\n";
318 print "DNS lookup (if asked). The result log file is sent on standard output.\n";
319 print "Note: $PROG is not a 'sort' tool to sort one file. It's a\n";
320 print "software able to output sorted log records (with a reverse DNS lookup\n";
321 print "included or not) even if log records are dispatched in several files.\n";
322 print "Each of thoose files must be already independently sorted itself\n";
323 print "(but that is the case in all web server log files). So you can use it\n";
324 print "for load balanced log files or to group several old log files.\n";
326 print "Don't forget that the main goal of logresolvemerge is to send log records to\n";
327 print "a log analyzer in a sorted order without merging files on disk (NO NEED\n";
328 print "OF DISK SPACE AT ALL) and without loading files into memory (NO NEED\n";
329 print "OF MORE MEMORY). Choose of output records is done on the fly.\n";
331 print "So logresolvemerge is particularly usefull when you want to output several\n";
332 print "and/or large log files in a fast process, with no use of disk or\n";
333 print "more memory, and in a chronological order through a pipe (to be used by a log\n";
334 print "analyzer).\n";
336 print "Note: If input records are not 'exactly' sorted but 'nearly' sorted (this\n";
337 print "occurs with heavy servers), this is not a problem, the output will also\n";
338 print "be 'nearly' sorted but a few log analyzers (like AWStats) knowns how to deal\n";
339 print "with such logs.\n";
341 print "WARNING: If log files are old MAC text files (lines ended with CR char), you\n";
342 print "can't run this tool on Win or Unix platforms.\n";
344 print "WARNING: Because of important memory holes in ActiveState Perl version, use\n";
345 print "another Perl interpreter if you need to process large lof files.\n";
347 print "Now supports/detects:\n";
348 print " Automatic detection of log format\n";
349 print " Files can be .gz/.bz2 files if zcat/bzcat tools are available in PATH.\n";
350 print " Multithreaded reverse DNS lookup (several parallel requests) with Perl 5.8+.\n";
351 print "New versions and FAQ at http://awstats.sourceforge.net\n";
357 my ($nowsec,$nowmin,$nowhour,$nowday,$nowmonth,$nowyear) = localtime($nowtime);
358 if ($nowyear < 100) { $nowyear+=2000; } else { $nowyear+=1900; }
359 my $nowsmallyear=$nowyear;$nowsmallyear =~ s/^..//;
360 if (++$nowmonth < 10) { $nowmonth = "0$nowmonth"; }
361 if ($nowday < 10) { $nowday = "0$nowday"; }
362 if ($nowhour < 10) { $nowhour = "0$nowhour"; }
363 if ($nowmin < 10) { $nowmin = "0$nowmin"; }
364 if ($nowsec < 10) { $nowsec = "0$nowsec"; }
365 # Get tomorrow time (will be used to discard some record with corrupted date (future date))
366 my ($tomorrowsec,$tomorrowmin,$tomorrowhour,$tomorrowday,$tomorrowmonth,$tomorrowyear) = localtime($nowtime+86400);
367 if ($tomorrowyear < 100) { $tomorrowyear+=2000; } else { $tomorrowyear+=1900; }
368 my $tomorrowsmallyear=$tomorrowyear;$tomorrowsmallyear =~ s/^..//;
369 if (++$tomorrowmonth < 10) { $tomorrowmonth = "0$tomorrowmonth"; }
370 if ($tomorrowday < 10) { $tomorrowday = "0$tomorrowday"; }
371 if ($tomorrowhour < 10) { $tomorrowhour = "0$tomorrowhour"; }
372 if ($tomorrowmin < 10) { $tomorrowmin = "0$tomorrowmin"; }
373 if ($tomorrowsec < 10) { $tomorrowsec = "0$tomorrowsec"; }
374 my $timetomorrow=$tomorrowyear.$tomorrowmonth.$tomorrowday.$tomorrowhour.$tomorrowmin.$tomorrowsec;
376 # Init other parameters
377 $NBOFLINESFORBENCHMARK--;
378 if ($ENV{"GATEWAY_INTERFACE"}) { $DirCgi=''; }
379 if ($DirCgi && !($DirCgi =~ /\/$/) && !($DirCgi =~ /\\$/)) { $DirCgi .= '/'; }
380 if (! $DirData || $DirData eq '.') { $DirData=$DIR; } # If not defined or choosed to "." value then DirData is current dir
381 if (! $DirData) { $DirData='.'; } # If current dir not defined then we put it to "."
384 #my %monthlib = ( "01","$Message[60]","02","$Message[61]","03","$Message[62]","04","$Message[63]","05","$Message[64]","06","$Message[65]","07","$Message[66]","08","$Message[67]","09","$Message[68]","10","$Message[69]","11","$Message[70]","12","$Message[71]" );
385 # monthnum must be in english because it's used to translate log date in apache log files which are always in english
386 my %monthnum = ( "Jan","01","jan","01","Feb","02","feb","02","Mar","03","mar","03","Apr","04","apr","04","May","05","may","05","Jun","06","jun","06","Jul","07","jul","07","Aug","08","aug","08","Sep","09","sep","09","Oct","10","oct","10","Nov","11","nov","11","Dec","12","dec","12" );
389 if ($Debug) { debug("Load DNS Cache file $DNSCache",2); }
390 open(CACHE, "<$DNSCache") or error("Can't open cache file $DNSCache");
392 my ($time, $ip, $name) = split;
394 $name="$ip" if $name eq '*';
395 $MyDNSTable{$ip}=$name;
401 #-----------------------------------------------------------------------------
402 # PROCESSING CURRENT LOG(s)
403 #-----------------------------------------------------------------------------
405 my $NbOfLinesParsed=0;
407 my $starttime=time();
409 # Define the LogFileToDo list
411 foreach my $key (0..(@ParamFile-1)) {
412 if ($ParamFile[$key] !~ /\*/ && $ParamFile[$key] !~ /\?/) {
414 if ($Debug) { debug("DBG1 Log file $ParamFile[$key] is added to LogFileToDo with number $cpt."); }
415 # Check for supported compression
416 if ($ParamFile[$key] =~ /$zcat_file/) {
417 if ($Debug) { debug("GZIP compression detected for Log file $ParamFile[$key]."); }
418 # Modify the name to include the zcat command
419 $ParamFile[$key] = $zcat . ' ' . $ParamFile[$key] . ' |';
421 elsif ($ParamFile[$key] =~ /$bzcat_file/) {
422 if ($Debug) { debug("BZ2 compression detected for Log file $ParamFile[$key]."); }
423 # Modify the name to include the bzcat command
424 $ParamFile[$key] = $bzcat . ' ' . $ParamFile[$key] . ' |';
427 $LogFileToDo{$cpt}=@ParamFile[$key];
432 my $DirFile=$ParamFile[$key]; $DirFile =~ s/([^\/\\]*)$//;
433 $ParamFile[$key] = $1;
434 if ($DirFile eq '') { $DirFile = '.'; }
435 $ParamFile[$key] =~ s/\./\\\./g;
436 $ParamFile[$key] =~ s/\*/\.\*/g;
437 $ParamFile[$key] =~ s/\?/\./g;
438 if ($Debug) { debug("Search for file \"$ParamFile[$key]\" into \"$DirFile\""); }
439 opendir(DIR,"$DirFile");
440 my @filearray = sort readdir DIR;
442 foreach my $i (0..$#filearray) {
443 if ("$filearray[$i]" =~ /^$ParamFile[$key]$/ && "$filearray[$i]" ne "." && "$filearray[$i]" ne "..") {
445 if ($Debug) { debug("DBG2 Log file $filearray[$i] is added to LogFileToDo with number $cpt."); }
446 # Check for supported compression
447 if ($filearray[$i] =~ /$zcat_file/) {
448 if ($Debug) { debug("GZIP compression detected for Log file $filearray[$i]."); }
449 # Modify the name to include the zcat command
450 $LogFileToDo{$cpt}=$zcat . ' ' . "$DirFile/$filearray[$i]" . ' |';
452 elsif ($filearray[$i] =~ /$bzcat_file/) {
453 if ($Debug) { debug("BZ2 compression detected for Log file $filearray[$i]."); }
454 # Modify the name to include the bzcat command
455 $LogFileToDo{$cpt}=$bzcat . ' ' . "$DirFile/$filearray[$i]" . ' |';
458 $LogFileToDo{$cpt}="$DirFile/$filearray[$i]";
467 # If no files to process
468 if (scalar keys %LogFileToDo == 0) {
469 error("No input log file found");
473 if ($Debug) { debug("Start of processing ".(scalar keys %LogFileToDo)." log file(s), $MaxNbOfThread threads max"); }
474 foreach my $logfilenb (keys %LogFileToDo) {
475 if ($Debug) { debug("Open log file number $logfilenb: \"$LogFileToDo{$logfilenb}\""); }
476 open("LOG$logfilenb","$LogFileToDo{$logfilenb}") || error("Couldn't open log file \"$LogFileToDo{$logfilenb}\" : $!");
477 binmode "LOG$logfilenb"; # To avoid pb of corrupted text log files with binary chars.
483 # BEGIN Read new record
484 # For each log file if logfilechosen is 0
485 # If not, we go directly to log file instead of iterating over all keys for a match
486 #----------------------------------------------------------------------------------
488 if($logfilechosen == 0) {
489 @readlist = keys %LogFileToDo;
491 @readlist = ($logfilechosen);
493 foreach my $logfilenb (@readlist)
495 if ($Debug) { debug("Search next record in file number $logfilenb",3); }
496 # Read chosen log file until we found a record with good date or reaching end of file
498 my $LOG="LOG$logfilenb";
499 $_=<$LOG>; # Read new line
500 if (! $_) { # No more records in log file number $logfilenb
501 if ($Debug) { debug(" No more records in file number $logfilenb",2); }
502 delete $LogFileToDo{$logfilenb};
509 if (/^#/) { next; } # Ignore comment lines (ISS writes such comments)
510 if (/^!!/) { next; } # Ignore comment lines (Webstar writes such comments)
511 if (/^$/) { next; } # Ignore blank lines (With ISS: happens sometimes, with Apache: possible when editing log file)
513 $linerecord{$logfilenb}=$_;
516 #----------------------------------------------------------------------
518 # Split DD/Month/YYYY:HH:MM:SS or YYYY-MM-DD HH:MM:SS or MM/DD/YY\tHH:MM:SS
519 my $year=0; my $month=0; my $day=0; my $hour=0; my $minute=0; my $second=0;
520 if ($_ =~ /(\d\d\d\d)-(\d\d)-(\d\d)\s(\d\d):(\d\d):(\d\d)/) { $year=$1; $month=$2; $day=$3; $hour=$4; $minute=$5; $second=$6; }
521 elsif ($_ =~ /\[(\d\d)[\/:\s](\w+)[\/:\s](\d\d\d\d)[\/:\s](\d\d)[\/:\s](\d\d)[\/:\s](\d\d) /) { $year=$3; $month=$2; $day=$1; $hour=$4; $minute=$5; $second=$6; }
522 elsif ($_ =~ /\[\w+ (\w+) (\d\d) (\d\d)[\/:\s](\d\d)[\/:\s](\d\d) (\d\d\d\d)\]/) { $year=$6; $month=$1; $day=$2; $hour=$3; $minute=$4; $second=$5; }
524 if ($monthnum{$month}) { $month=$monthnum{$month}; } # Change lib month in num month if necessary
526 # Create $timerecord like YYYYMMDDHHMMSS
527 $timerecord{$logfilenb}=int("$year$month$day$hour$minute$second");
528 if ($timerecord{$logfilenb}<10000000000000) {
529 if ($Debug) { debug(" This record is corrupted (no date found)",3); }
530 $corrupted{$logfilenb}++;
533 if ($Debug) { debug(" This is next record for file $logfilenb : timerecord=$timerecord{$logfilenb}",3); }
535 # Sort and insert into timerecordorder, oldest at end/back of array
536 # At the beginning, timerecordorder is empty. Then beceause the first pass is
537 # a loop on each file to read each first line, the timerecordorder size is
538 # number of input files.
539 # After, each new loop, read only one new line, so timerecordorder size increase
540 # by one but decrease just after by the pop command later.
542 for(my $c=$#timerecordorder; $c>=0 ; $c--) {
543 if($timerecord{$logfilenb} <= $timerecord{$timerecordorder[$c]})
545 # Is older or equal than index at $c, add after
546 $timerecordorder[$c + 1]=$logfilenb;
550 $timerecordorder[$c + 1]=$timerecordorder[$c];
554 $timerecordorder[0] = $logfilenb;
560 # END Read new lines for each log file. After this, following var are filled
561 # $timerecord{$logfilenb}
562 # @timerecordorder array
564 # We choose which record of which log file to process
565 if ($Debug) { debug("Choose which record of which log file to process",3); }
566 $logfilechosen=pop(@timerecordorder);
567 if(!defined($logfilechosen)) { last; } # No more record to process
570 if ($Debug) { debug(" We choosed to qualify record of file number $logfilechosen",3); }
571 if ($Debug) { debug(" Record is $linerecord{$logfilechosen}",3); }
573 # Record is approved. We found a new line to parse in file number $logfilechosen
574 #-------------------------------------------------------------------------------
577 if ((++$NbOfLinesShowsteps & $NBOFLINESFORBENCHMARK) == 0) {
578 my $delay=(time()-$starttime)||1;
579 print STDERR "$NbOfLinesParsed lines processed (".(1000*$delay)." ms, ".int($NbOfLinesShowsteps/$delay)." lines/seconds)\n";
584 #--------------------
587 if ($DNSLookup) { # DNS lookup is 1 or 2
588 if ($linerecord{$logfilechosen} =~ /(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})/) { $ip=4; $Host=$1; } # IPv4
589 elsif ($linerecord{$logfilechosen} =~ /([0-9A-F]*:)/i) { $ip=6; $Host=$1; } # IPv6
591 # Check in static DNS cache file
592 if ($MyDNSTable{$Host}) {
593 if ($Debug) { debug(" DNS lookup asked for $Host and found in static DNS cache file: $MyDNSTable{$Host}",4); }
595 elsif ($DNSLookup==1) {
596 # Check in session cache (dynamic DNS cache file + session DNS cache)
597 if (! $threadarray{$Host} && ! $TmpDNSLookup{$Host}) {
598 if (@SkipDNSLookupFor && &SkipDNSLookup($Host)) {
599 $TmpDNSLookup{$Host}='*';
600 if ($Debug) { debug(" No need of reverse DNS lookup for $Host, skipped at user request.",4); }
604 # Create or not a new thread
605 if ($MaxNbOfThread) {
606 if (! $threadarray{$Host}) { # No thread already launched for $Host
607 while ((scalar keys %threadarray) >= $MaxNbOfThread) {
608 if ($Debug) { debug(" $MaxNbOfThread thread running reached, so we wait",4); }
611 $threadarray{$Host}=1; # Semaphore to tell thread for $Host is active
612 # my $t = new Thread \&MakeDNSLookup, $Host;
613 my $t = threads->create(sub { MakeDNSLookup($Host) });
614 if (! $t) { error("Failed to create new thread"); }
615 if ($Debug) { debug(" Reverse DNS lookup for $Host queued in thread ".$t->tid,4); }
616 $t->detach(); # We don't need to keep return code
619 if ($Debug) { debug(" Reverse DNS lookup for $Host already queued in a thread"); }
621 # Here, this is the only way, $TmpDNSLookup{$Host} can be not defined
623 &MakeDNSLookup($Host);
624 if ($Debug) { debug(" Reverse DNS lookup for $Host done: $TmpDNSLookup{$Host}",4); }
628 $TmpDNSLookup{$Host}='*';
629 if ($Debug) { debug(" Reverse DNS lookup for $Host not available for IPv6",4); }
633 if ($Debug) { debug(" Reverse DNS lookup already queued or done for $Host: $TmpDNSLookup{$Host}",4); }
637 if ($Debug) { debug(" DNS lookup by static DNS cache file asked for $Host but not found.",4); }
641 if ($Debug) { debug(" DNS lookup asked for $Host but this is not an IP address.",4); }
642 $DNSLookupAlreadyDone=$LogFileToDo{$logfilechosen};
646 if ($linerecord{$logfilechosen} =~ /(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})/) { $ip=4; $Host=$1; } # IPv4
647 elsif ($linerecord{$logfilechosen} =~ /([0-9A-F]*:)/i) { $ip=6; $Host=$1; } # IPv6
648 if ($Debug) { debug(" No DNS lookup asked.",4); }
651 # Put record in record queue
652 if ($Debug) { debug("Add record $NbOfLinesParsed in record queue (with host to resolve = ".($Host?$Host:'*').")",4); }
653 $QueueRecords{$NbOfLinesParsed}=$linerecord{$logfilechosen};
655 # Put record in host queue
656 # If there is a host to resolve, we add line to queue with value of host to resolve
657 # $Host is '' (no ip found) or is ip
659 $QueueHostsToResolve{$NbOfLinesParsed}='*';
662 $QueueHostsToResolve{$NbOfLinesParsed}=$Host?$Host:'*';
665 $QueueHostsToResolve{$NbOfLinesParsed}=$MyDNSTable{$Host}?$Host:'*';
668 # Print all records in head of queue that are ready
669 &WriteRecordsReadyInQueue($logfilechosen);
671 } # End of processing new record. Loop on next one.
673 if ($Debug) { debug("End of processing log file(s)"); }
675 # Close all log files
676 foreach my $logfilenb (keys %LogFileToDo) {
677 if ($Debug) { debug("Close log file number $logfilenb"); }
678 close("LOG$logfilenb") || error("Command for pipe '$LogFileToDo{$logfilenb}' failed");
681 while ( $QueueHostsToResolve{$QueueCursor} && $QueueHostsToResolve{$QueueCursor} ne '*' && ! $MyDNSTable{$QueueHostsToResolve{$QueueCursor}} && ! $TmpDNSLookup{$QueueHostsToResolve{$QueueCursor}} ) {
683 # Print all records in head of queue that are ready
684 &WriteRecordsReadyInQueue($logfilechosen);
687 # Waiting queue is empty
688 if ($MaxNbOfThread) {
689 foreach my $t (threads->list()) {
690 if ($Debug) { debug("Join thread $t"); }
696 if ($DNSLookup==1 && $DNSLookupAlreadyDone) {
697 warning("Warning: $PROG has detected that some host names were already resolved in your logfile $DNSLookupAlreadyDone.\nIf DNS lookup was already made by the logger (web server) in ALL your log files, you should not use -dnslookup option to increase $PROG speed.");
701 debug("Total nb of read lines: $NbOfLinesRead");
702 debug("Total nb of parsed lines: $NbOfLinesParsed");
703 debug("Total nb of DNS lookup asked: $NbOfDNSLookupAsked");
707 # open(CACHE, ">$DNSCache") or die;
708 # foreach (keys %TmpDNSLookup) {
709 # $TmpDNSLookup{$_}="*" if $TmpDNSLookup{$_} eq "ip";
710 # print CACHE "0\t$_\t$TmpDNSLookup{$_}\n";
715 0; # Do not remove this line