summaryrefslogtreecommitdiff
path: root/Master/tlpkg/bin/tl-update-ctan-mirrors
blob: dab267967ba0950c1a892a3ec4fac775149252bb (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
#!/usr/bin/env perl
# $Id$
# Copyright 2011 Norbert Preining
# This file is licensed under the GNU General Public License version 2
# or any later version.
#
# Write parsable list of active CTAN mirrors; run from tl-update-auto cron.
# Needed input:
# http://ctan.org/mirrors (CTAN.sites, README.mirrors)
# rsync://comedy.dante.de/MirMon/mirmon.state

use strict;
$^W = 1;
use Data::Dumper;

exit (&main ());

sub main {
  if (@ARGV != 2) {
    die "Usage: $0 CTAN_SITES MIRMON_STATE.\n";
  }

  my %good_urls = read_mstate($ARGV[1]);
  my %ctan_sites = read_readme_mirror($ARGV[0], \%good_urls);
  $Data::Dumper::Indent = 1;
  print Data::Dumper->Dump([\%ctan_sites], [qw(mirrors)]);
  
  return 0;
}

# 
# Return hash of good and bad urls from mirmon state data.
#
sub read_mstate {
  my ($MSTATE) = @_;
  my %good_urls;

  open (MSTATE, "<$MSTATE") || die "$0: open($MSTATE) failed: $!\n";
  while (<MSTATE>) {
    my ($m, $age, $status_last_probe, $time_last_succesful_probe,
      $probe_history, $state_history, $last_probe)
      = split (' ');
    if ($status_last_probe eq "ok") {
      $good_urls{$m} = 1;
    } else {
      $good_urls{$m} = 0;
    }
  }
  close(MSTATE);
  
  return %good_urls;
}

# 
# return hash of CTAN.sites info.
# 
sub read_readme_mirror {
  my ($CTAN_SITES,$good_urls_ref) = @_;
  my %mirrors;
  my ($continent, $country, $mirror, %protocols);

  open (CTAN_SITES,"<$CTAN_SITES") || die "$0: open($CTAN_SITES) failed: $!\n";
  while (<CTAN_SITES>) {
    chomp;
    if (m/^ (Africa|Asia|Australasia|Europe|North America|South America)/) {
      my $save_continent = $1;
      if (defined($mirror)) {
        for my $p (keys %protocols) {
	  add_mirror(\%mirrors,$continent,$country,$mirror,$p,$protocols{$p},
	             $good_urls_ref);
        }
      }
      $continent = $save_continent;
      $mirror = undef;
      $country = undef;
      %protocols = ();
      next;
    }
    next if ! defined $continent;

    if (m/^  ([-a-zA-Z0-9.]+) \((.*)\)\s*$/) {
      my $save_mirror = $1;
      my $save_country = $2;
      # make country names more reasonable
      $save_country =~ s/^The //;
      if (defined($mirror)) {
        for my $p (keys %protocols) {
	  add_mirror(\%mirrors,$continent,$country,$mirror,$p,$protocols{$p},
	             $good_urls_ref);
        }
      }
      $mirror = $save_mirror;
      $country = $save_country;
      %protocols = ();
      next;
    }
    next if ! defined($mirror);

    if (m!^   URL: (ftp|http|rsync)://([-a-zA-Z0-9.]+)/([-\w/]*)!) {
      $protocols{$1} = "$2/$3";
      next;
    }
    #print "ignored >>$_<<\n";
  }
  return %mirrors;
}


sub add_mirror {
  my ($mirref,$continent,$country,$mirror,$p,$ppath,$good_urls_ref) = @_;
  my $url = "$p://$ppath";
  if (exists $good_urls_ref->{$url}) {
    if ($good_urls_ref->{$url}) {
      #$mirref->{$continent}{$country}{$mirror}{'protocols_path'}{$p} = $ppath;
      $mirref->{$continent}{$country}{$url} = 1;
    } else {
      printf STDERR "$0: mirror seems to be dead, skipped: $url\n";
    }
  } else {
    printf STDERR "$0: mirror not in mirmon file, skipped: $url\n";
  }
}