[1279] | 1 | #!perl -w
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[724] | 2 |
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| 3 | ###########################################################################
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| 4 | #
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| 5 | # webpage_buildcol.pl --
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| 6 | # A component of the Greenstone digital library software
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| 7 | # from the New Zealand Digital Library Project at the
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| 8 | # University of Waikato, New Zealand.
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| 9 | #
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| 10 | # Copyright (C) 1999 New Zealand Digital Library Project
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| 11 | #
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| 12 | # This program is free software; you can redistribute it and/or modify
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| 13 | # it under the terms of the GNU General Public License as published by
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| 14 | # the Free Software Foundation; either version 2 of the License, or
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| 15 | # (at your option) any later version.
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| 16 | #
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| 17 | # This program is distributed in the hope that it will be useful,
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| 18 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 20 | # GNU General Public License for more details.
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| 21 | #
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| 22 | # You should have received a copy of the GNU General Public License
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| 23 | # along with this program; if not, write to the Free Software
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| 24 | # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 25 | #
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| 26 | ###########################################################################
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| 27 |
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| 28 | # This program is a webpage wrapper to the import.pl and buildcol.pl
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| 29 | # processes
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| 30 | # Note while it is in the cgi-bin directory, its arguments are supplied as
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| 31 | # the more traditional command line argument. The program is executed by
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| 32 | # an already running cgi program.
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| 33 |
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[1279] | 34 | package webpage_buildcol;
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| 35 |
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[724] | 36 | use File::Basename;
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[1279] | 37 | use GSDLHOME;
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| 38 | use gflock;
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[724] | 39 |
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| 40 | my $args;
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| 41 |
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| 42 | BEGIN
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| 43 | {
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| 44 | my $va_pair;
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| 45 | foreach $va_pair (@ARGV)
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| 46 | {
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| 47 | if ($va_pair =~ m/^(\w+)=(\"?)(.*)(\"?)$/)
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| 48 | {
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| 49 | my ($variable,$assignment) = ($1,$3);
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| 50 | $args->{$variable} = $assignment;
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| 51 | }
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| 52 | }
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| 53 | }
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| 54 |
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| 55 | require util;
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| 56 | require webpageutil;
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| 57 | require cfgread;
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| 58 |
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| 59 | sub communicate_single_line
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| 60 | {
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| 61 | my ($full_tmpname,$text) = @_;
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| 62 |
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| 63 | if (open(TMPOUT,">$full_tmpname"))
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| 64 | {
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[1279] | 65 | if (&gflock::lock (webpage_buildcol::TMPOUT)) {
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[724] | 66 | print TMPOUT $text;
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| 67 | close(TMPOUT);
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[1279] | 68 | &gflock::unlock (webpage_buildcol::TMPOUT);
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| 69 |
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| 70 | } else {
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[724] | 71 | # Problem locking file
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| 72 | my $mess = "Unable to lock temporary communication file:";
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| 73 | $mess .= " $full_tmpname";
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| 74 | print STDERR "$mess\n";
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| 75 | return;
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| 76 | }
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| 77 | }
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| 78 | else
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| 79 | {
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| 80 | my $mess = "Unable to open for writing";
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| 81 | $mess .= " communication temporary file: $full_tmpname.";
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| 82 | print STDERR "$mess\n";
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| 83 | return;
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| 84 | }
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| 85 | }
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| 86 |
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| 87 |
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| 88 | sub do_build
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| 89 | {
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| 90 | my ($full_dirname,$dirname,$args) = @_;
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| 91 |
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| 92 | my $tmpname = $args->{'bc1tmpname'};
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| 93 | my $full_tmpname = &util::filename_cat($ENV{'GSDLHOME'},"tmp",$tmpname);
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| 94 | my $cfg_filename = &util::filename_cat($full_dirname,"etc","collect.cfg");
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| 95 | my $full_importname = &util::filename_cat($full_dirname,"import");
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| 96 |
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[1279] | 97 | my $log_filename = &util::filename_cat($ENV{'GSDLHOME'},"etc","$dirname.bld");
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[724] | 98 | if (!open (LOGOUT, ">$log_filename"))
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| 99 | {
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| 100 | my $mess = "Error: Unable to open log file '$log_filename'";
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[841] | 101 | print LOGOUT "$mess\n";
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[724] | 102 | communicate_single_line($full_tmpname,$mess);
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| 103 | return "failure";
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| 104 | }
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| 105 |
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| 106 | my $copy_data = $args->{'bc1copydata'};
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| 107 | my $do_import = $args->{'bc1doimport'};
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| 108 | my $do_build = $args->{'bc1dobuild'};
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| 109 |
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| 110 | my $building_cfg_text
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| 111 | = &cfgread::read_cfg_file($cfg_filename,undef,undef,"^building");
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| 112 | my $copy_dir = $building_cfg_text->{'building'}->{'copydir'};
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| 113 | my $input_dir = $building_cfg_text->{'building'}->{'inputdir'};
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| 114 |
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| 115 | if ($copy_data eq "true")
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| 116 | {
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| 117 | if ($copy_dir =~ m/^yes$/i)
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| 118 | {
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[1279] | 119 | my $download_cmd = "perl " . &util::filename_cat ($ENV{'GSDLHOME'}, "bin", "script");
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[724] | 120 | my $file_or_url = $building_cfg_text->{'building'}->{'fileorurl'};
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| 121 |
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| 122 | if ($file_or_url =~ m/^url$/i)
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| 123 | {
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| 124 | # run urlcopy.pl to download files
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[1279] | 125 | $download_cmd = " urlcopy.pl ";
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[724] | 126 | my @urls = split("\n",$input_dir);
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| 127 | my $u;
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| 128 | foreach $u (@urls)
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| 129 | {
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| 130 | $u =~ s/^\s+//;
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| 131 | $u =~ s/\s+$//;
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| 132 | $download_cmd .= "\"$u\" ";
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| 133 | }
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| 134 | }
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| 135 | else
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| 136 | {
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| 137 | # run filecopy.pl to download files
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| 138 | $input_dir =~ s/^\s+//;
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| 139 | $input_dir =~ s/\s+$//;
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[1279] | 140 | $download_cmd = " filecopy.pl $input_dir";
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[724] | 141 | }
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| 142 |
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| 143 | $download_cmd .= " $dirname";
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| 144 |
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| 145 | # execute download command and monitor the output generated
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| 146 | if(!open(DOWNLOADOUT,"$download_cmd 2>&1 |"))
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| 147 | {
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| 148 | my $mess = "Error: Unable to open pipe to command '$download_cmd'";
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[841] | 149 | print LOGOUT "$mess\n";
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[724] | 150 | communicate_single_line($full_tmpname,$mess);
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| 151 | close(LOGOUT);
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| 152 | return "failure";
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| 153 | }
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| 154 | while (defined($line=<DOWNLOADOUT>))
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| 155 | {
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| 156 | print LOGOUT $line;
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| 157 | chop $line;
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| 158 | if ($line =~ m/^Error:/)
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| 159 | {
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[841] | 160 | print LOGOUT "$line";
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[724] | 161 | communicate_single_line($full_tmpname,"$line");
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| 162 | close(DOWNLOADOUT);
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| 163 | close(LOGOUT);
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| 164 | return "failure";
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| 165 | }
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| 166 | communicate_single_line($full_tmpname,"Copying data ...<br>$line");
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| 167 | }
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| 168 |
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| 169 | close(DOWNLOADOUT);
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| 170 | }
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| 171 | }
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| 172 |
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[1279] | 173 | if ((defined $copy_dir) && ($copy_dir =~ /^no$/i))
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[724] | 174 | {
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| 175 | # link it
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| 176 | my $tail_dir = &File::Basename::basename($input_dir);
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| 177 | my $sym_dirname = &util::filename_cat($full_importname,$tail_dir);
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| 178 |
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[841] | 179 | &util::rm_r($sym_dirname) if (-e $sym_dirname);
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[724] | 180 |
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| 181 | if (&util::soft_link($input_dir,$sym_dirname))
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| 182 | {
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| 183 | my $mess = "Source data linked to $input_dir";
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| 184 | communicate_single_line($full_tmpname,$mess);
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| 185 | }
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| 186 | else
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| 187 | {
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| 188 | my $mess = "Error: unable to make symbolic link to source:";
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| 189 | $mess .= " $input_dir";
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[841] | 190 | print LOGOUT "$mess\n";
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[724] | 191 | communicate_single_line($full_tmpname,$mess);
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| 192 | close(LOGOUT);
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| 193 | return "failure";
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| 194 | }
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| 195 | }
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| 196 |
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| 197 | if ($do_import eq "true")
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| 198 | {
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| 199 | # Import operation
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[1279] | 200 | my $import_cmd = "perl ";
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| 201 | $import_cmd .= &util::filename_cat($ENV{'GSDLHOME'}, "bin", "script", "import.pl");
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| 202 | $import_cmd .= " -removeold $dirname";
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[724] | 203 |
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| 204 | if(!open(IMPORTOUT,"$import_cmd 2>&1 |"))
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| 205 | {
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| 206 | my $mess = "Error: Unable to open pipe to command '$import_cmd'";
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[841] | 207 | print LOGOUT "$mess\n";
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[724] | 208 | communicate_single_line($full_tmpname,$mess);
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| 209 | close(LOGOUT);
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| 210 | return "failure";
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| 211 | }
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| 212 | while (defined($line=<IMPORTOUT>))
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| 213 | {
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| 214 | print LOGOUT $line;
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| 215 | chop $line;
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| 216 | if ($line =~ m/^Error:/)
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| 217 | {
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[841] | 218 | print LOGOUT "$line";
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[724] | 219 | communicate_single_line($full_tmpname,"$line");
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| 220 | close(IMPORTOUT);
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| 221 | close(LOGOUT);
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| 222 | return "failure";
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| 223 | }
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| 224 | communicate_single_line($full_tmpname,"Caching data ...<br>$line");
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| 225 | }
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| 226 |
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| 227 | close(IMPORTOUT);
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| 228 | }
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| 229 |
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| 230 | if ($do_build eq "true")
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| 231 | {
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[841] | 232 | my $full_archivename = &util::filename_cat($full_dirname,"archives");
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| 233 |
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[724] | 234 | # Build operation
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[1279] | 235 | my $build_cmd = "perl " .
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| 236 | &util::filename_cat($ENV{'GSDLHOME'}, "bin", "script", "buildcol.pl");
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[841] | 237 | if (($do_import eq "true")
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| 238 | || (($do_import eq "false") && (-e $full_archivename)))
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[724] | 239 | {
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[1279] | 240 | $build_cmd .= " $dirname";
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[724] | 241 | }
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| 242 | else
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| 243 | {
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| 244 | $build_cmd .= " -archivedir $full_importname";
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| 245 | $build_cmd .= " -cachedir $full_archivename";
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| 246 | $build_cmd .= " $dirname";
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| 247 | }
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| 248 |
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| 249 | if(!open(BUILDOUT,"$build_cmd 2>&1 |"))
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| 250 | {
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| 251 | my $mess = "Error: Unable to open pipe to command '$build_cmd'";
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[841] | 252 | print LOGOUT "$mess\n";
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[724] | 253 | communicate_single_line($full_tmpname,$mess);
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| 254 | close(LOGOUT);
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| 255 | return "failure";
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| 256 | }
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| 257 | while (defined($line=<BUILDOUT>))
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| 258 | {
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| 259 | print LOGOUT $line;
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| 260 | chop $line;
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| 261 | if ($line =~ m/^Error:/)
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| 262 | {
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[841] | 263 | print LOGOUT "$line";
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[724] | 264 | communicate_single_line($full_tmpname,"$line");
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| 265 | close(BUILDOUT);
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| 266 | close(LOGOUT);
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| 267 | return "failure";
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| 268 | }
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| 269 | communicate_single_line($full_tmpname,"Creating indexes ...<br>$line");
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| 270 | }
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| 271 |
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| 272 | close(BUILDOUT);
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| 273 |
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| 274 | # Make collection live
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| 275 | #--
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| 276 | # rm index
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| 277 | my $full_indexname = &util::filename_cat($full_dirname,"index");
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| 278 | &util::rm_r($full_indexname);
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| 279 |
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| 280 | # move building
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| 281 | my $full_buildingname = &util::filename_cat($full_dirname,"building");
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| 282 | &util::mv($full_buildingname,$full_indexname);
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| 283 |
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| 284 | my $full_imagesrc = &util::filename_cat($full_dirname,"building_images","imgsrc");
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| 285 | if (-e $full_imagesrc)
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| 286 | {
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| 287 | my $full_imagedst = &util::filename_cat($full_dirname,"index","imgsrc");
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| 288 | &util::soft_link($full_imagesrc,$full_imagedst);
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| 289 | }
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| 290 |
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| 291 | # Recreate 'building' directory ready for next build
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| 292 | &util::mk_dir($full_buildingname);
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| 293 | }
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| 294 |
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| 295 | communicate_single_line($full_tmpname,"Done");
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| 296 | close(LOGOUT);
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| 297 | return "success";
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| 298 | }
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| 299 |
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| 300 |
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| 301 | sub main
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| 302 | {
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| 303 | # get arguments
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| 304 | my $dirname = $args->{'bc1dirname'};
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| 305 | if (!defined($dirname))
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| 306 | {
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| 307 | my $mess = "Directory name for collection missing.";
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| 308 | print STDERR "$mess\n";
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| 309 | return;
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| 310 | }
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| 311 |
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| 312 | my $tmpname = $args->{'bc1tmpname'};
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| 313 | if (!defined($tmpname))
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| 314 | {
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| 315 | my $mess = "Temporary name for building communication missing.";
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| 316 | print STDERR "$mess\n";
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| 317 | return;
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| 318 | }
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| 319 |
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| 320 | my $full_tmpname
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| 321 | = &util::filename_cat($ENV{'GSDLHOME'},"tmp",$tmpname);
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| 322 |
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| 323 | communicate_single_line($full_tmpname,"Preparing to build.");
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| 324 |
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| 325 | # Put lock on config file before any building is done as safe
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| 326 | # guard against any concurrent operations on this collection.
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| 327 | #--
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| 328 |
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| 329 | my $full_dirname
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| 330 | = &util::filename_cat($ENV{'GSDLHOME'},"collect",$dirname);
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| 331 | my $cfg_filename
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| 332 | = &util::filename_cat($full_dirname,"etc","collect.cfg");
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| 333 |
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[1279] | 334 | # do requested stages for building
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| 335 | my $result = do_build($full_dirname,$dirname,$args);
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| 336 | return if ($result ne "success");
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[724] | 337 |
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[1279] | 338 | my $mess_url = "$args->{'httpbuild'}&bca=mess&bc1dirname=$dirname";
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| 339 | print "Location: $mess_url&head=_headdone_&mess=_messdonebuildcol_\n\n";
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| 340 | print "done\n"; # in tmp file
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[724] | 341 | }
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| 342 |
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| 343 | &main();
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