root/branches/New_Config_Format-branch/gsdl/cgi-bin/webpage_buildcol.pl @ 1279

Revision 1279, 9.0 KB (checked in by sjboddie, 20 years ago)

merged changes to trunk into New_Config_Format branch

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