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#!/usr/bin/perl -w
use strict;
use RRDs;
use BER;
use Time::ParseDate;
use Compress::Zlib;
my $NOW = time;
my $VERBOSE = 0;
my $RRD = '/home/weasel/www/www.noreply.org/Build/other/mixminion/rrd/nodes.rrd';
my $RRD_DIR = '/home/weasel/www/www.noreply.org/Build/other/mixminion/rrd/nodes';
my $DIR_DIR = '/home/weasel/www/www.noreply.org/Build/other/mixminion/mixminion-directory';
sub check_exists($) {
my ($rrd) = @_;
return if (-e $rrd);
my @params = ($rrd);
push @params, '-b', 'now - 1 year',
qw{ --step 14400
DS:inDirectory:GAUGE:172800:U:U
DS:recommended:GAUGE:172800:U:U
RRA:AVERAGE:0.5:1:21900
};
print "Creating rrd: $rrd...\n" if $VERBOSE;
RRDs::create @params;
my $err=RRDs::error;
warn "ERROR while creating $rrd: $err\n" if $err;
}
sub get_last($) {
my ($rrd) = @_;
my $last = 0;
if ( -e $rrd) {
$last = RRDs::last($rrd);
my $err = RRDs::error;
warn "ERROR while getting last for $rrd: $err\n" if $err;
};
return $last;
};
check_exists($RRD);
my $last = get_last($RRD);
opendir(DIR, $RRD_DIR) || die ("Cannot opendir $RRD_DIR: $!\n");
my @rrdfiles = grep { /\.rrd$/ } readdir (DIR);
closedir(DIR);
my %last_node;
for my $rrdfile (@rrdfiles) {
my $nodename = $rrdfile;
$nodename =~ s/\.rrd$//;
$last_node{$nodename} = get_last($RRD_DIR.'/'.$rrdfile);
}
my @dirfiles;
if (scalar @ARGV) {
@dirfiles = @ARGV;
} else {
opendir(DIR, $DIR_DIR) || die ("Cannot opendir $DIR_DIR: $!\n");
@dirfiles = sort { ($a cmp $b) } grep { /^directory-/ } readdir (DIR);
closedir(DIR);
};
my @updateGlobal;
my %updates;
for my $dir (@dirfiles) {
print "Doing $dir\n" if $VERBOSE;
open (DIRECTORY, $DIR_DIR.'/'.$dir) || die ("Cannot open $DIR_DIR/$dir: $!\n");
my $compressed_dir = join '', <DIRECTORY>;
close (DIRECTORY);
my $directory = Compress::Zlib::memGunzip($compressed_dir);
my $published = undef;
my $recommended_servers = undef;
my %in_directory;
my %is_recommended;
my $section = '' ;
for my $line (split /\r?\n/, $directory) {
chomp $line;
if ($line =~ /^\[(.*)\]\s*$/) {
$section = $1;
};
if ($section eq 'Directory' && $line =~ /^Published: (\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2})$/) {
my $date = $1;
print "Found published: $date\n" if ($VERBOSE >= 3);
$date =~ s#/#-#g;
$published = parsedate($date);
print "Parsed as $published (".(gmtime $published).")\n" if ($VERBOSE >= 4);
};
if ($section eq 'Directory' && $line =~ m#^Published: (\d{4}/\d{2}/\d{2} \d{2}:\d{2}:\d{2})$#) {
my $date = $1;
print "Found published: $date\n" if ($VERBOSE >= 3);
$date =~ s#/#-#g;
$published = parsedate($date);
print "Parsed as $published (".(gmtime $published).")\n" if ($VERBOSE >= 4);
};
if ($section eq 'Directory' && $line =~ /^Recommended-Servers: \s*(.*?)\s*$/) {
$recommended_servers = $1
};
if ($section eq 'Server' && $line =~ /Nickname: ([a-zA-Z0-9_-]+)\s*$/) {
$in_directory{$1} = 1;
};
}
close (DIRECTORY);
my @recommended_servers = split /,?\s*\s+/, $recommended_servers;
for my $node (@recommended_servers) {
$is_recommended{$node} = 1;
}
if ($published > $last) {
push @updateGlobal, $published.':'.(scalar keys %in_directory).':'.(scalar @recommended_servers);
$last = $published;
print "at ".(gmtime $published)." there are ".(scalar keys %in_directory).' in the directory and '.(scalar @recommended_servers)." recommended servers\n" if ($VERBOSE >= 3);
} else {
print "ignoring data at ".(gmtime $published)." because it's older than ".(gmtime $last)."\n" if ($VERBOSE >= 3);
};
for my $node (keys %in_directory) {
if (!defined $last_node{$node} || $published > $last_node{$node}) {
push @{$updates{$node}}, $published.':1:'.( defined $is_recommended{$node} ? '1' : '0' );
$last_node{$node} = $published;
}
delete $is_recommended{$node};
}
if (scalar keys %is_recommended) {
my $nodes = join ', ', keys %is_recommended;
warn ("$nodes recommended but not in directory.\n");
}
};
if (scalar @updateGlobal != 0) {
check_exists($RRD);
RRDs::update( $RRD, @updateGlobal );
my $err=RRDs::error;
warn "ERROR while updating $RRD: $err\n" if $err;
};
for my $node (keys %updates) {
if ($node =~ /[^a-zA-Z0-9_-]/) {
warn ("Illegal characters in node name '$node'\n");
next;
};
my $rrd = $RRD_DIR.'/'.$node.'.rrd';
check_exists($rrd);
RRDs::update( $rrd, @{$updates{$node}} );
my $err=RRDs::error;
warn "ERROR while updating $rrd: $err\n" if $err;
};
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