#! PERL_COMMAND -w
-# $Cambridge: exim/src/src/exigrep.src,v 1.4 2007/01/31 16:52:12 ph10 Exp $
use strict;
# appears to be compressed, it is passed through zcat. We can't just do this
# for all files, because zcat chokes on non-compressed files.
+# Performance optimized in 02/02/2007 by Jori Hamalainen
+# Typical run time acceleration: 4 times
+
+
use Getopt::Std qw(getopts);
use POSIX qw(mktime);
sub seconds {
my($year,$month,$day,$hour,$min,$sec,$tzs,$tzh,$tzm) =
- $_[0] =~ /^(\d{4})-(\d\d)-(\d\d)\s(\d\d):(\d\d):(\d\d)(?>\s([+-])(\d\d)(\d\d))?/;
+ $_[0] =~ /^(\d{4})-(\d\d)-(\d\d)\s(\d\d):(\d\d):(\d\d)(?>\s([+-])(\d\d)(\d\d))?/o;
my $seconds = mktime $sec, $min, $hour, $day, $month - 1, $year - 1900;
# This subroutine processes a single line (in $_) from a log file. Program
# defensively against short lines finding their way into the log.
-my (%saved, %id_list, $pattern, $queue_time);
+my (%saved, %id_list, $pattern, $queue_time, $insensitive, $invert);
sub do_line {
# Convert syslog lines to mainlog format, as in eximstats.
-if (! /^\\d{4}/) { $_ =~ s/^.*? exim\b.*?: //; }
+if (!/^\d{4}-/o) { $_ =~ s/^.*? exim\b.*?: //o; }
return unless
- my($date,$entry) = /^(\d{4}-\d\d-\d\d \d\d:\d\d:\d\d (?:[+-]\d{4} )?)(.*)/;
+ my($date,$id) = /^(\d{4}-\d\d-\d\d \d\d:\d\d:\d\d (?:[+-]\d{4} )?)(?:\[\d+\] )?(\w{6}\-\w{6}\-\w{2})?/o;
# Handle the case when the log line belongs to a specific message. We save
# lines for specific messages until the message is complete. Then either print
# or discard.
-if (my($id) = $entry =~ /^(?:\[\d+\]\s)?(\w{6}\-\w{6}\-\w{2})/)
+if (defined $id)
{
$saved{$id} = '' unless defined($saved{$id});
$saved{$id} .= $_;
- # Are we interested in this id ?
+ # Are we interested in this id ? Short circuit if we already were interested.
- $id_list{$id} = 1 if /$pattern/io;
+ if ($invert)
+ {
+ $id_list{$id} = 1 if (!defined($id_list{$id}));
+ $id_list{$id} = 0 if (($insensitive && /$pattern/io) || /$pattern/o);
+ }
+ else
+ {
+ $id_list{$id} = 1 if defined $id_list{$id} ||
+ ($insensitive && /$pattern/io) || /$pattern/o;
+ }
# See if this is a completion for some message. If it is interesting,
# print it, but in any event, throw away what was saved.
- if ($entry =~
- /(?:Completed|rejected (?:by local_scan|by non-SMTP ACL|after DATA))/)
+ if (index($_, 'Completed') != -1 ||
+ index($_, 'SMTP data timeout') != -1 ||
+ (index($_, 'rejected') != -1 &&
+ /^(\d{4}-\d\d-\d\d \d\d:\d\d:\d\d (?:[+-]\d{4} )?)(?:\[\d+\] )?\w{6}\-\w{6}\-\w{2} rejected/o))
{
- if ($saved{$id} =~ /^(\d{4}-\d\d-\d\d \d\d:\d\d:\d\d ([+-]\d{4} )?)(\w{6}\-\w{6}\-\w{2})/)
+ if ($queue_time != -1 &&
+ $saved{$id} =~ /^(\d{4}-\d\d-\d\d \d\d:\d\d:\d\d ([+-]\d{4} )?)/o)
{
my $old_sec = &seconds($1);
my $sec = &seconds($date);
- delete $id_list{$id} if $id_list{$id} && $sec - $old_sec <= $queue_time;
- }
-
- if ($id_list{$id})
- {
- delete $id_list{$id};
- print "$saved{$id}\n";
+ $id_list{$id} = 0 if $id_list{$id} && $sec - $old_sec <= $queue_time;
}
+ print "$saved{$id}\n" if ($id_list{$id});
+ delete $id_list{$id};
delete $saved{$id};
}
}
# Handle the case where the log line does not belong to a specific message.
# Print it if it is interesting.
-elsif ($entry =~ /$pattern/io) { print "$_\n"; }
+elsif ( ($invert && (($insensitive && !/$pattern/io) || !/$pattern/o)) ||
+ (!$invert && (($insensitive && /$pattern/io) || /$pattern/o)) )
+ { print "$_\n"; }
}
# are quoted if the -l flag is given. The -t flag gives a time-on-queue value
# which is an additional condition.
-getopts('lt:',\my %args);
-$queue_time = $args{'t'}? $args{'t'} : -1;
+getopts('Ilvt:',\my %args);
+$queue_time = $args{'t'}? $args{'t'} : -1;
+$insensitive = $args{'I'}? 0 : 1;
+$invert = $args{'v'}? 1 : 0;
-die "usage: exigrep [-l] [-t <seconds>] <pattern> [<log file>]...\n"
+die "usage: exigrep [-I] [-l] [-t <seconds>] [-v] <pattern> [<log file>]...\n"
if ($#ARGV < 0);
$pattern = shift @ARGV;
foreach (@ARGV)
{
my $filename = $_;
- if ($filename =~ /\.(?:COMPRESS_SUFFIX)$/)
+ if ($filename =~ /\.(?:COMPRESS_SUFFIX)$/o)
{
open(LOG, "ZCAT_COMMAND $filename |") ||
die "Unable to zcat $filename: $!\n";
else { do_line() while (<STDIN>); }
-# At the end of processing all the input, print any uncompleted data
+# At the end of processing all the input, print any uncompleted messages.
-for (keys %id_list) { print "+++ $_ not completed +++\n$saved{$_}\n;" }
+for (keys %id_list)
+ {
+ print "+++ $_ has not completed +++\n$saved{$_}\n";
+ }
# End of exigrep