270 lines
5.8 KiB
Perl
270 lines
5.8 KiB
Perl
#!/usr/bin/perl -w
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###############
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# CRANS
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###############
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# La version de ce plugin dans debian Etch (<= 4.0r1) est bugguée.
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# En attendant on utilise donc cette version
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# À la mise à jour de munin, il est souhaitable de tester le fichier
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# original (/usr/share/munin/plugins/postfix_mailstats).
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############### 20/09/2007 - Nicolas Salles
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#
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# Plugin to monitor the number of mails delivered and rejected by postfix.
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#
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# Usage: copy or link into /etc/munin/node.d/
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#
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# Parameters:
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#
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# config (required)
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# autoconf (optional - used by munin-config)
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#
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# Config variables:
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#
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# logdir - Which logfile to use
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# logfile - What file to read in logdir
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#
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# $Log: postfix_mailstats,v $
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# Revision 1.2 2007-09-20 06:47:15 salles
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# Un petit warning pour laisser une trace
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#
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# Revision 1.1 2007-09-20 06:45:03 salles
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# Ce plugin est buggué dans etch.
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# En attendant une mise à jour, on utilise cette version modifiée.
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#
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# Revision 1.6.2.3 2005/01/25 20:39:16 jimmyo
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# Make generic/postfix_mailstats catch more formats (Deb#292110).
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#
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# Revision 1.6.2.2 2005/01/25 20:24:09 jimmyo
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# Improved graph_title of generic/postfix_* (Deb#292083).
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#
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# Revision 1.6.2.1 2005/01/24 19:44:13 jimmyo
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# Changed default log for generic/postfix_mailstats from syslog to mail.log. Downgraded it from auto to manual.
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#
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# Revision 1.6 2004/12/10 18:51:43 jimmyo
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# linux/apt* has been forced to LANG=C, to get predictable output.
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#
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# Revision 1.5 2004/12/10 10:47:47 jimmyo
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# Change name from ${scale} to ${graph_period}, to be more consistent.
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#
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# Revision 1.4 2004/12/09 22:12:55 jimmyo
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# Added "graph_period" option, to make "graph_sums" usable.
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#
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# Revision 1.3 2004/05/20 19:02:36 jimmyo
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# Set categories on a bunch of plugins
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#
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# Revision 1.2 2004/05/14 21:16:46 jimmyo
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# "Upped" som plugins from contrib/manual to auto.
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#
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# Revision 1.1 2004/01/02 18:50:00 jimmyo
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# Renamed occurrances of lrrd -> munin
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#
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# Revision 1.1.1.1 2004/01/02 15:18:07 jimmyo
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# Import of LRRD CVS tree after renaming to Munin
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#
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# Revision 1.2 2003/11/26 14:55:52 jimmyo
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# Added total summaries
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#
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# Revision 1.1 2003/11/26 14:45:34 jimmyo
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# New plugins
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#
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# Revision 1.7 2003/11/15 11:10:28 jimmyo
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# Various fixes
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#
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# Revision 1.6 2003/11/07 17:43:16 jimmyo
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# Cleanups and log entries
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#
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#
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#
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# Magic markers (optional - used by munin-config and some installation
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# scripts):
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#
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#%# family=manual
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#%# capabilities=autoconf
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my $statefile = "/var/lib/munin/plugin-state/munin-plugin-postfix_mailstats.state";
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my $pos = undef;
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my $delivered = 0;
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my $rejects = {};
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my $LOGDIR = $ENV{'logdir'} || '/var/log';
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my $LOGFILE = $ENV{'logfile'} || 'mail.log';
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if ( $ARGV[0] and $ARGV[0] eq "autoconf" )
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{
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my $logfile;
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if (-d $LOGDIR)
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{
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$logfile = "$LOGDIR/$LOGFILE";
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if (-f $logfile)
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{
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if (-r "$logfile")
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{
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print "yes\n";
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exit 0;
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}
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else
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{
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print "no (logfile not readable)\n";
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}
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}
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else
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{
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print "no (logfile not found)\n";
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}
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}
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else
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{
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print "no (could not find logdir)\n";
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}
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exit 1;
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}
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my $logfile = "$LOGDIR/$LOGFILE";
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my $prevdate = get_prev_date();
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if (-f "$logfile.$prevdate")
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{
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$rotlogfile = "$logfile.$prevdate";
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}
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elsif (-f "$logfile.0")
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{
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$rotlogfile = $logfile . ".0";
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}
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elsif (-f "$logfile.1")
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{
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$rotlogfile = $logfile . ".1";
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}
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elsif (-f "$logfile.01")
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{
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$rotlogfile = $logfile . ".01";
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}
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else
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{
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$rotlogfile = $logfile . ".0";
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}
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if (-f "$statefile")
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{
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open (IN, "$statefile") or exit 4;
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if (<IN> =~ /^(\d+):(\d+)/)
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{
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($pos, $delivered) = ($1, $2);
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}
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while (<IN>)
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{
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if (/^(\d+):(\d+)$/)
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{
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$rejects->{$1} = $2;
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}
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elsif (/^OTHER:(\d+)$/)
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{
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$rejects->{OTHER} = $1;
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}
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}
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close IN;
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}
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if (! -f $logfile and ! -f $rotlogfile)
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{
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print "delivered.value U\n";
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foreach my $i (keys %{$rejects})
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{
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print "r$i.value U\n";
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}
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exit 0;
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}
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$startsize = (stat $logfile)[7];
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if (!defined $pos)
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{
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# Initial run.
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$pos = $startsize;
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}
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if ($startsize < $pos)
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{
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# Log rotated
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parseLogfile ($rotlogfile, $pos, (stat $rotlogfile)[7]);
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$pos = 0;
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}
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parseLogfile ($logfile, $pos, $startsize);
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$pos = $startsize;
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if ( $ARGV[0] and $ARGV[0] eq "config" )
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{
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print "graph_title Postfix message throughput\n";
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print "graph_args --base 1000 -l 0\n";
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print "graph_vlabel mails / \${graph_period}\n";
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print "graph_scale no\n";
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print "graph_total Total\n";
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print "graph_category postfix\n";
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print "delivered.label delivered\n";
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print "delivered.type DERIVE\n";
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print "delivered.draw AREA\n";
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print "delivered.min 0\n";
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foreach my $i (keys %{$rejects})
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{
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print "r$i.label reject $i\n";
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print "r$i.type DERIVE\n";
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print "r$i.draw STACK\n";
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print "r$i.min 0\n";
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}
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exit 0;
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}
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print "delivered.value $delivered\n";
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foreach my $i (keys %{$rejects})
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{
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print "r$i.value ", $rejects->{$i}, "\n";
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}
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if(-l $statefile) {
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die("$statefile is a symbolic link, refusing to touch it.");
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}
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open (OUT, ">$statefile") or exit 4;
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print OUT "$pos:$delivered\n";
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foreach my $i (keys %{$rejects})
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{
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print OUT "$i:", $rejects->{$i}, "\n";
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}
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close OUT;
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sub parseLogfile
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{
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my ($fname, $start, $stop) = @_;
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open (LOGFILE, $fname) or exit 3;
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seek (LOGFILE, $start, 0) or exit 2;
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while (tell (LOGFILE) < $stop)
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{
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my $line =<LOGFILE>;
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chomp ($line);
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if ($line =~ /qmgr.*from=.*size=[0-9]*/)
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{
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$delivered++;
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}
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elsif ($line =~ /postfix\/smtpd.*reject: \S+ \S+ \S+ (\S+)/)
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{
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my $cause = $1;
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$cause = 'OTHER' unless $1 =~/^\d+$/;
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$rejects->{$cause} ++;
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}
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}
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close(LOGFILE);
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}
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sub get_prev_date
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{
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my @date = localtime (time - 86400);
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my $prevdate = $date[5]+1900 . $date[4]+1 . $date[3];
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return $prevdate;
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}
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# vim:syntax=perl
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