root/trunk/gsdl/cgi-bin/webpage_buildcol.pl @ 841

Revision 841, 9.6 KB (checked in by davidb, 20 years ago)

General improvements

  • Property svn:executable set to *
  • Property svn:keywords set to Author Date Id Revision
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1#!/usr/local/bin/perl5 -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
34use Fcntl ':flock';
35use File::Basename;
36
37my $args;
38
39BEGIN
40{   
41    my $va_pair;
42    foreach $va_pair (@ARGV)
43    {
44    if ($va_pair =~ m/^(\w+)=(\"?)(.*)(\"?)$/)
45    {
46        my ($variable,$assignment) = ($1,$3);
47        $args->{$variable} = $assignment;
48
49        $ENV{'GSDLHOME'} = $assignment if ($variable eq "gsdlhome");
50        $ENV{'GSDLOS'} = $assignment if ($variable eq "gsdlos");
51    }
52    }
53
54    if (defined($ENV{'GSDLHOME'}))
55    {
56    if (!defined($ENV{'GSDLOS'}))
57    {
58        $ENV{'GSDLOS'} = $^O; # special perl variable set to OS
59        ##### Need to check to see what this is set to
60        ##### under Windows
61    }
62
63    $ENV{'PATH'} .= ":$ENV{'GSDLHOME'}/bin/script";
64    $ENV{'PATH'} .= ":$ENV{'GSDLHOME'}/bin/$ENV{'GSDLOS'}";
65   
66    unshift (@INC, "$ENV{'GSDLHOME'}/perllib");
67    unshift (@INC, "$ENV{'GSDLHOME'}/perllib/cpan");
68    }
69    else
70    {
71    print STDERR "Environment variable GSDLHOME not set\n";
72    exit 1;
73    }
74}
75
76require util;
77require webpageutil;
78require cfgread;
79
80sub communicate_single_line
81{
82    my ($full_tmpname,$text) = @_;
83
84    if (open(TMPOUT,">$full_tmpname"))
85    {
86    if (flock(TMPOUT,LOCK_EX))
87    {
88        print TMPOUT $text;
89        close(TMPOUT);
90        flock(TMPOUT,LOCK_UN);
91    }
92    else
93    {
94        # Problem locking file
95        my $mess = "Unable to lock temporary communication file:";
96        $mess .= " $full_tmpname";
97        print STDERR "$mess\n";
98        return;
99    }
100    }
101    else
102    {
103    my $mess = "Unable to open for writing";
104    $mess .= " communication temporary file: $full_tmpname.";
105    print STDERR "$mess\n";
106    return;
107    }
108}
109
110
111sub do_build
112{
113    my ($full_dirname,$dirname,$args) = @_;
114
115    my $tmpname = $args->{'bc1tmpname'};
116    my $full_tmpname = &util::filename_cat($ENV{'GSDLHOME'},"tmp",$tmpname);
117    my $cfg_filename = &util::filename_cat($full_dirname,"etc","collect.cfg");
118    my $full_importname = &util::filename_cat($full_dirname,"import");
119
120    my $log_filename = &util::filename_cat($ENV{'GSDLHOME'},"log","$dirname.bld");
121    if (!open (LOGOUT, ">$log_filename"))
122    {
123    my $mess = "Error: Unable to open log file '$log_filename'";
124    print LOGOUT "$mess\n";
125    communicate_single_line($full_tmpname,$mess);
126    return "failure";
127    }
128
129    my $copy_data = $args->{'bc1copydata'};
130    my $do_import = $args->{'bc1doimport'};
131    my $do_build  = $args->{'bc1dobuild'};
132
133    my $building_cfg_text
134    = &cfgread::read_cfg_file($cfg_filename,undef,undef,"^building");
135    my $copy_dir     = $building_cfg_text->{'building'}->{'copydir'};
136    my $input_dir    = $building_cfg_text->{'building'}->{'inputdir'};
137
138    if ($copy_data eq "true")
139    {
140    if ($copy_dir =~ m/^yes$/i)
141    {
142        my $download_cmd = "";
143        my $file_or_url  = $building_cfg_text->{'building'}->{'fileorurl'};
144       
145        if ($file_or_url =~ m/^url$/i)
146        {
147        # run urlcopy.pl to download files
148        $download_cmd = "urlcopy.pl ";
149        my @urls = split("\n",$input_dir);
150        my $u;
151        foreach $u (@urls)
152        {
153            $u =~ s/^\s+//;
154            $u =~ s/\s+$//;
155            $download_cmd .= "\"$u\" ";
156        }
157        }
158        else
159        {
160        # run filecopy.pl to download files
161        $input_dir =~ s/^\s+//;
162        $input_dir =~ s/\s+$//;
163        $download_cmd = "filecopy.pl $input_dir";
164        }
165       
166        $download_cmd .= " $dirname";
167       
168        # execute download command and monitor the output generated
169        if(!open(DOWNLOADOUT,"$download_cmd 2>&1 |"))
170        {
171        my $mess = "Error: Unable to open pipe to command '$download_cmd'";
172        print LOGOUT "$mess\n";
173        communicate_single_line($full_tmpname,$mess);
174        close(LOGOUT);
175        return "failure";
176        }
177        while (defined($line=<DOWNLOADOUT>))
178        {
179        print LOGOUT $line;
180        chop $line;
181        if ($line =~ m/^Error:/)
182        {
183            print LOGOUT "$line";
184            communicate_single_line($full_tmpname,"$line");
185            close(DOWNLOADOUT);
186            close(LOGOUT);
187            return "failure";
188        }   
189        communicate_single_line($full_tmpname,"Copying data ...<br>$line");
190        }
191       
192        close(DOWNLOADOUT);
193    }
194    }
195
196    if ($copy_dir =~ /^no$/i)
197    {
198    # link it
199    my $tail_dir = &File::Basename::basename($input_dir);
200    my $sym_dirname = &util::filename_cat($full_importname,$tail_dir);
201   
202    &util::rm_r($sym_dirname) if (-e $sym_dirname);
203
204    if (&util::soft_link($input_dir,$sym_dirname))
205    {
206        my $mess = "Source data linked to $input_dir";
207        communicate_single_line($full_tmpname,$mess);
208    }
209    else
210    {
211        my $mess = "Error: unable to make symbolic link to source:";
212        $mess .= " $input_dir";
213        print LOGOUT "$mess\n";
214        communicate_single_line($full_tmpname,$mess);
215        close(LOGOUT);
216        return "failure";
217    }
218    }
219
220    if ($do_import eq "true")
221    {
222    # Import operation
223    my $import_cmd = "import.pl -removeold $dirname";
224   
225    if(!open(IMPORTOUT,"$import_cmd 2>&1 |"))
226    {
227        my $mess = "Error: Unable to open pipe to command '$import_cmd'";
228        print LOGOUT "$mess\n";
229        communicate_single_line($full_tmpname,$mess);
230        close(LOGOUT);
231        return "failure";
232    }
233    while (defined($line=<IMPORTOUT>))
234    {
235        print LOGOUT $line;
236        chop $line;
237        if ($line =~ m/^Error:/)
238        {
239        print LOGOUT "$line";
240        communicate_single_line($full_tmpname,"$line");
241        close(IMPORTOUT);
242        close(LOGOUT);
243        return "failure";
244        }   
245        communicate_single_line($full_tmpname,"Caching data ...<br>$line");
246    }
247   
248    close(IMPORTOUT);
249    }
250
251    if ($do_build eq "true")
252    {
253    my $full_archivename = &util::filename_cat($full_dirname,"archives");
254
255    # Build operation
256    my $build_cmd = "";
257    if (($do_import eq "true")
258        || (($do_import eq "false") && (-e $full_archivename)))
259    {
260        $build_cmd = "buildcol.pl $dirname";
261    }
262    else
263    {
264
265        $build_cmd = "buildcol.pl";
266        $build_cmd .= " -archivedir $full_importname";
267        $build_cmd .= " -cachedir $full_archivename";
268        $build_cmd .= " $dirname";
269    }
270   
271    if(!open(BUILDOUT,"$build_cmd 2>&1 |"))
272    {
273        my $mess = "Error: Unable to open pipe to command '$build_cmd'";
274        print LOGOUT "$mess\n";
275        communicate_single_line($full_tmpname,$mess);
276        close(LOGOUT);
277        return "failure";
278    }
279    while (defined($line=<BUILDOUT>))
280    {
281        print LOGOUT $line;
282        chop $line;
283        if ($line =~ m/^Error:/)
284        {
285        print LOGOUT "$line";
286        communicate_single_line($full_tmpname,"$line");
287        close(BUILDOUT);
288        close(LOGOUT);
289        return "failure";
290        }   
291        communicate_single_line($full_tmpname,"Creating indexes ...<br>$line");
292    }
293   
294    close(BUILDOUT);
295
296    # Make collection live
297    #--
298    # rm index
299    my $full_indexname = &util::filename_cat($full_dirname,"index");
300    &util::rm_r($full_indexname);
301   
302    # move building
303    my $full_buildingname = &util::filename_cat($full_dirname,"building");
304    &util::mv($full_buildingname,$full_indexname);
305   
306    my $full_imagesrc = &util::filename_cat($full_dirname,"building_images","imgsrc");
307    if (-e $full_imagesrc)
308    {
309        my $full_imagedst = &util::filename_cat($full_dirname,"index","imgsrc");
310        &util::soft_link($full_imagesrc,$full_imagedst);
311    }
312
313    # Recreate 'building' directory ready for next build
314    &util::mk_dir($full_buildingname);
315    }
316
317    communicate_single_line($full_tmpname,"Done");
318    close(LOGOUT);
319    return "success";
320}
321
322
323sub main
324{
325    # get arguments
326    my $dirname = $args->{'bc1dirname'};
327    if (!defined($dirname))
328    {
329    my $mess = "Directory name for collection missing.";
330    print STDERR "$mess\n";
331    return;
332    }
333
334    my $tmpname = $args->{'bc1tmpname'};
335    if (!defined($tmpname))
336    {
337    my $mess = "Temporary name for building communication missing.";
338    print STDERR "$mess\n";
339    return;
340    }
341
342    my $full_tmpname
343    = &util::filename_cat($ENV{'GSDLHOME'},"tmp",$tmpname);
344
345    communicate_single_line($full_tmpname,"Preparing to build.");
346
347    # Put lock on config file before any building is done as safe
348    # guard against any concurrent operations on this collection.
349    #--
350
351    my $full_dirname
352    = &util::filename_cat($ENV{'GSDLHOME'},"collect",$dirname);
353    my $cfg_filename
354    = &util::filename_cat($full_dirname,"etc","collect.cfg");
355
356    if (open(CFGIN,"<$cfg_filename"))
357    {
358    if (flock(CFGIN,LOCK_EX))
359    {
360        # do requested stages for building
361        my $result = do_build($full_dirname,$dirname,$args);
362        flock(CFGIN,LOCK_UN);
363        close(CFGIN);
364        return if ($result ne "success");
365    }
366    else
367    {
368        # Problem locking file
369        my $mess = "Unable to lock configuration file: $cfg_filename";
370        print STDERR "$mess\n";
371        return;
372    }
373    }
374
375#    my $mess_url = "$args->{'httpbuild'}&bca=mess&bc1dirname=$dirname";
376#    print "Location: $mess_url&head=_headdone_&mess=_messdonebuildcol_\n\n";
377#    print "done\n"; # in tmp file
378}
379
380&main();
381
382
383
384
385
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