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#!/usr/bin/perl -w
# update-pinger-cache: (c) 2002, 2004 Peter Palfrader <peter@palfrader.org>
# $Id$
=pod
=head1 NAME
update-pinger-cache Fetch new reliability stats
=over
=head1 SYNOPSIS
=item B<update-pinger-cache>
=back
=head1 DESCRIPTION
FIXME
=back
=head1 BUGS
Please report them to the author.
=head1 AUTHOR
Peter Palfrader, E<lt>peter@palfrader.orgE<gt>
=cut
use strict;
use English;
use LWP::UserAgent;
use IO::File;
use Date::Parse;
use Carp;
$ENV{'PATH'} = '/bin:/usr/bin';
delete @ENV{'IFS', 'CDPATH', 'ENV', 'BASH_ENV'};
my $CONFIG = {
#allpingers => 'allpingers/allpingers.txt',
#outdir => 'meta/',
useragent_timeout => 120,
timeout => 130,
old => 24 * 60 * 60,
};
$CONFIG->{'allpingers'} = shift @ARGV;
$CONFIG->{'outdir'} = shift @ARGV;
die ("Usage: $PROGRAM_NAME <allpingersfile> <outdir>\n") if (!defined $CONFIG->{'outdir'} || scalar @ARGV > 0);
my $user_agent =
LWP::UserAgent->new(env_proxy => 1,
keep_alive => 1,
timeout => $CONFIG->{'useragent_timeout'} );
sub store_content($$$$) {
my ($content_or_error, $site_taint, $type_taint, $content) = @_;
my ($site) = $site_taint =~ /^([a-zA-Z0-9]+)$/;
my ($type) = $type_taint =~ /^([a-zA-Z0-9]+)$/;
return undef unless defined $site;
return undef unless defined $type;
my $write = $content_or_error eq 'content' ? 'cache' :
$content_or_error eq 'error' ? 'error' :
die ("Unepxected value of content_or_error: $content_or_error");
my $unlink = $content_or_error eq 'content' ? 'error' :
$content_or_error eq 'error' ? 'cache' :
die ("Unepxected value of content_or_error: $content_or_error");
open(F, '>',$CONFIG->{'outdir'}.'/'.$write.'.'.$site.'.'.$type.'.txt') or die ("Could not open outdir: $!\n");
print(F $content) or die ("Could not write to outfile: $!");
close(F) or die ("Could not close outfile: $!");
unlink($CONFIG->{'outdir'}.'/'.$unlink.'.'.$site.'.'.$type.'.txt') if -e $CONFIG->{'outdir'}.'/cache.'.$site.'.'.$type.'.txt';
return 1;
};
my @CHILDREN;
sub get_stats($$$) {
my ($site, $type, $value) = @_;
return undef unless defined $value;
my $uri = URI->new($value);
if ($user_agent->is_protocol_supported( $uri )) {
my $pid = fork();
die "Can't fork: $!" unless defined $pid;
unless ($pid) {
eval{
local $SIG{ALRM} = sub { die "alarm\n" };
alarm $CONFIG->{'timeout'};
my $response = $user_agent->get($value);
if ($response->is_success) {
my $content = $response->content;
$content =~ s/\r\n/\n/g;
store_content('content', $site, $type, $content);
} else {
store_content('error', $site, $type, "Error: ".$response->status_line());
};
alarm 0;
};
if ($EVAL_ERROR) {
if ($EVAL_ERROR eq "alarm\n") {
store_content('error', $site, $type, "Timeout");
} else {
store_content('error', $site, $type, "Error: $EVAL_ERROR");
die unless $EVAL_ERROR eq "alarm\n";
};
};
exit;
} else {
push @CHILDREN, $pid;
};
} else {
warn ("$PROGRAM_NAME: Protocol for '$value' is not supported\n");
store_content('error', $site, $type, "Error: Protocol for '$value' is not supported");
};
};
# Read Pinger URLs and get stats (forked)
my %pinger_uris;
my %type_fhs;
{
my $source;
open (F, $CONFIG->{'allpingers'}) or die ("Could not open allpingers '$CONFIG->{'allpingers'}': $!\n");
while(<F>) {
s/\s*(.*)\s*/$1/;
next if (/^\s*#/);
$source = $1, next if (/^\[(.*)\]$/);
if (/(.+?)\s*=\s*(.+)/) {
$pinger_uris{$source}->{$1} = $2 if defined $source;
};
};
for $source (sort keys %pinger_uris) {
my $uris = $pinger_uris{$source};
get_stats($source, 1, $uris->{'rlist2'} || $uris->{'rlist2_html'} || $uris->{'rlist'} || $uris->{'rlist_html'});
get_stats($source, 2, $uris->{'mlist2'} || $uris->{'mlist2_html'} || $uris->{'mlist'} || $uris->{'mlist_html'});
};
};
for (@CHILDREN) {
waitpid($_, 0);
};
open(F, '>',$CONFIG->{'outdir'}.'/stamp-cache') or die ("Could not open <outdir>/stamp-cache: $!\n");
close(F);
# vim:set ts=4:
# vim:set shiftwidth=4:
|
