1 |
joko |
1.1 |
## ---------------------------------------------------------------------- |
2 |
jonen |
1.14 |
## $Id: Engine.pm,v 1.13 2003/12/05 05:02:08 joko Exp $ |
3 |
joko |
1.1 |
## ---------------------------------------------------------------------- |
4 |
joko |
1.2 |
## $Log: Engine.pm,v $ |
5 |
jonen |
1.14 |
## Revision 1.13 2003/12/05 05:02:08 joko |
6 |
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## + minor update: disabled some unnecessary loggers or changed to debug-level |
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## |
8 |
joko |
1.13 |
## Revision 1.12 2003/06/24 20:59:51 jonen |
9 |
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## added option 'detach' |
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## |
11 |
jonen |
1.12 |
## Revision 1.11 2003/06/23 17:54:32 joko |
12 |
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## prepared execution of in-process perl-code via eval (not activated yet!) |
13 |
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## |
14 |
joko |
1.11 |
## Revision 1.10 2003/05/13 07:56:12 joko |
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## enhanced: *hierarchical* containers for context handling |
16 |
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## fixes: some pre-flight checks |
17 |
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## new: propagate "end-tag" event to e.g. close containers |
18 |
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## |
19 |
joko |
1.10 |
## Revision 1.9 2003/04/04 17:23:11 joko |
20 |
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## minor update: debugging output |
21 |
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## |
22 |
joko |
1.9 |
## Revision 1.8 2003/03/29 07:11:54 joko |
23 |
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## modified: sub run_executable |
24 |
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## new: sub run_script |
25 |
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## |
26 |
joko |
1.8 |
## Revision 1.7 2003/03/28 07:02:56 joko |
27 |
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## modified structure around '$wrapper_program' |
28 |
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## |
29 |
joko |
1.7 |
## Revision 1.6 2003/03/27 15:31:05 joko |
30 |
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## fixes to modules regarding new namespace(s) below Data::Mungle::* |
31 |
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## |
32 |
joko |
1.6 |
## Revision 1.5 2003/03/27 15:03:03 joko |
33 |
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## enhanced 'sub run_executable' |
34 |
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## |
35 |
joko |
1.5 |
## Revision 1.4 2003/02/22 16:51:21 joko |
36 |
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## + enhanced run_executable |
37 |
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## modified logging output |
38 |
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## |
39 |
joko |
1.4 |
## Revision 1.3 2003/02/21 01:46:17 joko |
40 |
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## renamed core function |
41 |
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## |
42 |
joko |
1.3 |
## Revision 1.2 2003/02/20 19:46:33 joko |
43 |
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## renamed and revamped some of modules |
44 |
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## renamed methods |
45 |
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## + sub run_executable |
46 |
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## |
47 |
joko |
1.2 |
## Revision 1.1 2003/02/18 15:35:25 joko |
48 |
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## + initial commit |
49 |
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## |
50 |
joko |
1.1 |
## ---------------------------------------------------------------------- |
51 |
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52 |
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53 |
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package Data::Rap::Engine; |
54 |
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55 |
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use strict; |
56 |
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use warnings; |
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58 |
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59 |
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use Data::Dumper; |
60 |
joko |
1.2 |
use Hash::Merge qw( merge ); |
61 |
joko |
1.1 |
use Iterate; |
62 |
joko |
1.2 |
|
63 |
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use shortcuts qw( run_cmd ); |
64 |
joko |
1.6 |
use Data::Mungle::Code::Ref qw( ref_slot ); |
65 |
joko |
1.8 |
use Data::Mungle::Transform::Deep qw( expand deep_copy ); |
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use File::Temp qw/ tempfile tempdir /; |
67 |
joko |
1.1 |
|
68 |
joko |
1.13 |
my $DEBUG = 0; |
69 |
joko |
1.1 |
|
70 |
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sub performTarget { |
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my $self = shift; |
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my $targetname = shift; |
73 |
joko |
1.2 |
$self->perform_target($targetname); |
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} |
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sub perform_target { |
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my $self = shift; |
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my $targetname = shift; |
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80 |
joko |
1.10 |
# pre-flight checks |
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if (!$targetname) { |
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$self->log("Target name empty. Please try to specify (e.g.) on the command line.", 'critical'); |
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return; |
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} |
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joko |
1.4 |
my $header = ("- " x 12) . " " . $targetname . " " . ("- " x 6); |
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joko |
1.8 |
# V1 |
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joko |
1.4 |
#$self->log("- " x 35, 'notice'); |
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#$self->log("Performing Target '$targetname'.", 'notice'); |
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joko |
1.8 |
# V2 |
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#$self->log($header, 'notice'); |
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# V3 |
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joko |
1.13 |
#$self->log("- " x 20, 'info'); |
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joko |
1.8 |
$self->log("Performing Target '$targetname'.", 'notice'); |
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joko |
1.2 |
|
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#exit; |
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my $target = $self->getTargetDetails($targetname); |
102 |
joko |
1.1 |
|
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# trace |
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#print Dumper($target); |
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#exit; |
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107 |
joko |
1.2 |
$self->perform_dependencies($target); |
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$self->perform_details($target); |
109 |
joko |
1.10 |
|
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return 1; |
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joko |
1.2 |
|
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} |
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sub perform_dependencies { |
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my $self = shift; |
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my $target = shift; |
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joko |
1.1 |
# resolve dependencies (just run prior) |
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if (my $targetname_dep = $target->{attrib}->{depends}) { |
119 |
joko |
1.2 |
my @targets = split(/,\s|,/, $targetname_dep); |
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#print Dumper(@targets); |
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#$self->perform($targetname_dep); |
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#delete $target->{attrib}->{depends}; |
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foreach (@targets) { |
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if (!$self->{__rap}->{dependencies}->{resolved}->{$_}++) { |
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$self->perform_target($_); |
126 |
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} |
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} |
128 |
joko |
1.1 |
delete $target->{attrib}->{depends}; |
129 |
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} |
130 |
joko |
1.2 |
} |
131 |
joko |
1.1 |
|
132 |
joko |
1.2 |
sub perform_details { |
133 |
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my $self = shift; |
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my $target = shift; |
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#print Dumper($target); |
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#exit; |
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joko |
1.1 |
foreach my $entry (@{$target->{content}}) { |
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my $command = $entry->{name}; |
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my $args = $entry->{attrib}; |
142 |
joko |
1.8 |
my $content = $entry->{content}; |
143 |
joko |
1.10 |
$self->perform_command($command, $args, $content, { warn => 1 } ); |
144 |
joko |
1.2 |
# check recursiveness |
145 |
jonen |
1.12 |
# new condition: don't recurse if node is flagged to have inline-args (2003-04-17) |
146 |
joko |
1.10 |
my $has_inline_args = ($entry->{attrib}->{_args} && $entry->{attrib}->{_args} eq 'inline'); |
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if ($entry->{content} && ref $entry->{content} && !$has_inline_args) { |
148 |
joko |
1.2 |
$self->perform_details($entry); |
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} |
150 |
joko |
1.10 |
# new of 2003-05-08 |
151 |
jonen |
1.12 |
$command ||= ''; |
152 |
joko |
1.10 |
$self->perform_command($command . '_end', undef, undef, { warn => 0 } ); |
153 |
joko |
1.1 |
} |
154 |
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} |
155 |
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156 |
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sub rc { |
157 |
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my $self = shift; |
158 |
joko |
1.2 |
return $self->perform_command(@_); |
159 |
joko |
1.1 |
} |
160 |
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161 |
joko |
1.2 |
sub perform_command { |
162 |
joko |
1.1 |
my $self = shift; |
163 |
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my $command = shift; |
164 |
joko |
1.8 |
my $args_list = shift; |
165 |
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my $content = shift; |
166 |
joko |
1.10 |
my $options = shift; |
167 |
joko |
1.2 |
|
168 |
joko |
1.1 |
if (!$command) { |
169 |
joko |
1.13 |
$self->log("Command was empty!", 'debug') if $DEBUG; |
170 |
joko |
1.1 |
return; |
171 |
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} |
172 |
joko |
1.2 |
|
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# FIXME: make '__PACKAGE__' go one level deeper properly! |
174 |
joko |
1.13 |
$self->log( __PACKAGE__ . "->perform_command: " . $command, 'debug') if $DEBUG; |
175 |
joko |
1.1 |
|
176 |
joko |
1.10 |
|
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# 1. make arguments from list of arguments(?) |
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joko |
1.1 |
my $args = {}; |
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#print Dumper($args_list); |
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if ($args_list) { |
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if (ref $args_list eq 'ARRAY') { |
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foreach (@$args_list) { |
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$args = merge($args, $_); |
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} |
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} else { |
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$args = $args_list; |
188 |
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} |
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} |
190 |
joko |
1.2 |
|
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192 |
joko |
1.10 |
# 2. prepare command |
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# default setting for internal rap commands |
195 |
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my $method_prefix_default = '_'; |
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# setting from property database |
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my $method_prefix_setting = $self->get_property('core.method_prefix'); |
198 |
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#print "setting: ", $method_prefix_setting, "\n"; |
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my $prefix = $method_prefix_setting; |
200 |
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if (not defined $prefix) { |
201 |
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$prefix = $method_prefix_default; |
202 |
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} |
203 |
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$command = $prefix . $command; |
204 |
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205 |
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206 |
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# 3. determine container |
207 |
joko |
1.2 |
my $container; # = $self->getInstance(); |
208 |
joko |
1.10 |
#$container ||= $self->getInstance(); |
209 |
joko |
1.2 |
$container ||= $self; |
210 |
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211 |
joko |
1.10 |
# 4. run method |
212 |
joko |
1.2 |
if ($container->can($command)) { |
213 |
joko |
1.8 |
$container->$command($args, $content); |
214 |
joko |
1.1 |
} else { |
215 |
joko |
1.10 |
my $level = "debug"; |
216 |
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$level = "warning" if $options->{warn}; |
217 |
joko |
1.13 |
$self->log("Command '$command' not implemented.", $level) if $DEBUG; |
218 |
joko |
1.1 |
} |
219 |
joko |
1.2 |
|
220 |
joko |
1.1 |
} |
221 |
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222 |
joko |
1.2 |
|
223 |
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sub merge_properties { |
224 |
joko |
1.1 |
my $self = shift; |
225 |
joko |
1.2 |
my $name = shift; |
226 |
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my $data = shift; |
227 |
joko |
1.1 |
|
228 |
joko |
1.2 |
$self->log("merge-name: $name"); |
229 |
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#print "name: $name", "\n"; |
230 |
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#print Dumper($data); |
231 |
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#exit; |
232 |
joko |
1.1 |
|
233 |
joko |
1.2 |
# check if slot (or childs of it) is/are already occupied |
234 |
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#if (my $data_old = ref_slot($self, $name, undef, '.')) { |
235 |
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if (my $data_old = $self->get_property($name)) { |
236 |
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#print "old:", "\n"; |
237 |
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#print Dumper($data_old); |
238 |
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239 |
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# FIXME: review - any options for 'merge' here? |
240 |
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my $data_new = merge($data_old, $data); |
241 |
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#print "DATA NEE! - MERGE!", "\n"; |
242 |
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#print Dumper($data_new); |
243 |
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#exit; |
244 |
joko |
1.3 |
#merge_to($self, $data_new); |
245 |
joko |
1.2 |
$self->set_property( { name => $name, value => $data_new } ); |
246 |
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247 |
joko |
1.1 |
} else { |
248 |
joko |
1.2 |
|
249 |
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=pod |
250 |
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# make up a dummy hash matching the structure of the destination one |
251 |
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my $dummy = {}; |
252 |
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ref_slot($dummy, $name, $data, '.'); |
253 |
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print Dumper($dummy); |
254 |
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255 |
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# mix into destination |
256 |
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mixin($self, $dummy, { init => 1 }); |
257 |
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=cut |
258 |
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259 |
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ref_slot($self, $name, $data, '.'); |
260 |
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261 |
joko |
1.1 |
} |
262 |
joko |
1.2 |
|
263 |
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264 |
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#print Dumper($self); |
265 |
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#exit; |
266 |
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#$self-> |
267 |
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268 |
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} |
269 |
joko |
1.1 |
|
270 |
joko |
1.2 |
sub set_property { |
271 |
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my $self = shift; |
272 |
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my $args = shift; |
273 |
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274 |
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$self->interpolate($args) ; |
275 |
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my $name = $args->{name}; |
276 |
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my $value = $args->{value}; |
277 |
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$name = '__rap.properties.' . $name; |
278 |
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279 |
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$self->log("set-name: $name"); |
280 |
joko |
1.1 |
|
281 |
joko |
1.10 |
#print Dumper($name, $value, '.'); |
282 |
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283 |
joko |
1.1 |
# fill property slot with given value |
284 |
joko |
1.10 |
# fix (2003-04-17): always do fill if value is *defined*!!! |
285 |
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if (defined $value) { |
286 |
joko |
1.2 |
ref_slot($self, $name, $value, '.'); |
287 |
joko |
1.1 |
} |
288 |
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289 |
joko |
1.2 |
#print Dumper($self); |
290 |
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291 |
joko |
1.1 |
# FIXME!!! |
292 |
joko |
1.2 |
#return if ! ref $args; |
293 |
joko |
1.1 |
|
294 |
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# fill property slot with (probably bigger) data structure from property-/configuration-style - file |
295 |
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if (my $file = $args->{file}) { |
296 |
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my $type = $args->{type}; |
297 |
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if (!$type) { |
298 |
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die("default file (no type specified) is not implemented yet!"); |
299 |
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300 |
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} elsif ($type eq 'perl-eval') { |
301 |
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#die($type); |
302 |
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$self->loadFromPerlFile($file, $name, $args->{'varnames'}); |
303 |
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304 |
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} elsif ($type eq 'App::Config') { |
305 |
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die("not implemented: $type"); |
306 |
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307 |
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} |
308 |
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309 |
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} elsif (my $command = $args->{command}) { |
310 |
joko |
1.2 |
$self->perform_command($command, $args); |
311 |
joko |
1.1 |
|
312 |
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} |
313 |
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314 |
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} |
315 |
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316 |
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sub get_property { |
317 |
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my $self = shift; |
318 |
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#my $args = shift; |
319 |
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my $name = shift; |
320 |
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321 |
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#$self->interpolate($args); |
322 |
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323 |
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#my $name = $args->{name}; |
324 |
joko |
1.2 |
my $result; |
325 |
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326 |
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if (!$name) { |
327 |
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$self->log( __PACKAGE__ . ": no name!", 'critical'); |
328 |
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329 |
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} elsif ($name eq '/') { |
330 |
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$result = expand($self); |
331 |
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332 |
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} elsif ($name eq '.') { |
333 |
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if (my $instance = $self->getInstance()) { |
334 |
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$result = expand($instance); |
335 |
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} else { |
336 |
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$result = ref_slot($self, '__rap.properties', undef, '.'); |
337 |
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338 |
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} |
339 |
joko |
1.1 |
|
340 |
joko |
1.2 |
} else { |
341 |
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342 |
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$name = '__rap.properties.' . $name; |
343 |
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344 |
joko |
1.13 |
$self->log("get-name: $name") if $DEBUG; |
345 |
joko |
1.2 |
|
346 |
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# get property slot and return value |
347 |
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$result = ref_slot($self, $name, undef, '.'); |
348 |
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349 |
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# FIXME: Is this okay? It's provided for now in order not |
350 |
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# to deliver an 'undef' to the regex below inside 'interpolate'. |
351 |
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# revamp this, maybe! |
352 |
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#$result ||= ''; # NO!!! |
353 |
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} |
354 |
joko |
1.1 |
|
355 |
joko |
1.2 |
return $result; |
356 |
joko |
1.1 |
} |
357 |
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358 |
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sub interpolate { |
359 |
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my $self = shift; |
360 |
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my $ref = shift; |
361 |
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IterHash %$ref, sub { |
362 |
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#print $_[1], "\n"; |
363 |
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$_[1] =~ s/\${(.+)}/$self->get_property($1)/e; |
364 |
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} |
365 |
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} |
366 |
joko |
1.2 |
|
367 |
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sub run_executable { |
368 |
|
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my $self = shift; |
369 |
|
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my $opts = shift; |
370 |
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|
371 |
joko |
1.8 |
my $meta = deep_copy($opts); |
372 |
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|
373 |
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delete $opts->{caption}; |
374 |
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delete $opts->{async}; |
375 |
jonen |
1.12 |
delete $opts->{detach}; |
376 |
joko |
1.8 |
|
377 |
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#print Dumper($meta); |
378 |
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|
379 |
joko |
1.2 |
if ($opts->{executable}) { |
380 |
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|
381 |
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my $program = $opts->{executable}; |
382 |
|
|
delete $opts->{executable}; |
383 |
|
|
|
384 |
joko |
1.5 |
# determine execution method |
385 |
|
|
my $wrapper_program = ''; |
386 |
|
|
|
387 |
|
|
# check if program is a namespace-string (contains '::') - use 'do' in this case! |
388 |
|
|
if ($program =~ /::/) { |
389 |
joko |
1.7 |
#$wrapper_program = 'rap.pl'; |
390 |
|
|
$wrapper_program = $0; |
391 |
joko |
1.5 |
} |
392 |
|
|
|
393 |
|
|
# prepare arguments |
394 |
joko |
1.2 |
my @buf; |
395 |
|
|
foreach (keys %$opts) { |
396 |
|
|
my $value = $opts->{$_}; |
397 |
joko |
1.4 |
if (m/^_/) { |
398 |
|
|
if ($_ eq '_switches') { |
399 |
|
|
my @switches = split(/,\s|,/, $value); |
400 |
|
|
foreach my $switch (@switches) { |
401 |
|
|
push @buf, '--' . $switch; |
402 |
|
|
} |
403 |
|
|
} |
404 |
|
|
next; |
405 |
|
|
} |
406 |
|
|
|
407 |
joko |
1.2 |
if ($value =~ /\s/) { |
408 |
|
|
$value = "\"$value\""; |
409 |
|
|
} |
410 |
|
|
push @buf, "--$_=$value"; |
411 |
|
|
} |
412 |
joko |
1.5 |
|
413 |
|
|
# build {program} & {arguments} |
414 |
joko |
1.7 |
my $cmd = ($wrapper_program ? $wrapper_program . ' ' : '') . $program . ' ' . join(' ', @buf); |
415 |
joko |
1.2 |
|
416 |
|
|
# trace |
417 |
|
|
#print "command: $cmd", "\n"; |
418 |
|
|
|
419 |
|
|
# start process |
420 |
jonen |
1.14 |
# 2004-05-11 - seems like only ONE args is valid at PERL5LIB, |
421 |
|
|
# so we use V2! |
422 |
|
|
# V1: join all args |
423 |
|
|
#$ENV{PERL5LIB} = join(' ', @INC); |
424 |
|
|
# V2: insert only FIRST arg |
425 |
joko |
1.2 |
$ENV{PERL5LIB} = $INC[0]; |
426 |
jonen |
1.14 |
# WARNING: at (free)BSD our var is the SECOND, NOT FIRST!! |
427 |
|
|
# FIXME!! Do this in an abstract way!! |
428 |
|
|
#$ENV{PERL5LIB} = $INC[1]; |
429 |
joko |
1.2 |
|
430 |
|
|
#print Dumper(%ENV); |
431 |
joko |
1.5 |
|
432 |
joko |
1.7 |
#print "command: '$cmd'", "\n"; |
433 |
joko |
1.5 |
|
434 |
|
|
# V1 - basic |
435 |
|
|
#run_cmd($cmd); |
436 |
|
|
|
437 |
|
|
# V1.b - enhanced: variable local method |
438 |
joko |
1.8 |
$meta->{caption} ||= ''; |
439 |
|
|
$meta->{async} ||= 0; |
440 |
jonen |
1.12 |
$meta->{detach} ||= 0; |
441 |
joko |
1.10 |
# new of 2003-05-08: USE_PATH! |
442 |
|
|
$meta->{USE_PATH} ||= 0; |
443 |
jonen |
1.12 |
my $evalstr = "run_cmd('$cmd', '$meta->{caption}', { async => $meta->{async}, detach => $meta->{detach}, USE_PATH => $meta->{USE_PATH} });"; |
444 |
joko |
1.5 |
eval($evalstr); |
445 |
|
|
#my $res = do "$cmd"; |
446 |
|
|
#print $res, "\n" if $res; |
447 |
|
|
|
448 |
|
|
#$self->log("run_executable: $evalstr", 'info'); |
449 |
|
|
$self->raiseException("run_executable: $evalstr\n$@") if $@; |
450 |
|
|
|
451 |
joko |
1.2 |
# V2: via IPC::Run |
452 |
|
|
# .... (TODO) |
453 |
joko |
1.7 |
|
454 |
joko |
1.2 |
|
455 |
|
|
} |
456 |
|
|
|
457 |
|
|
} |
458 |
|
|
|
459 |
joko |
1.8 |
|
460 |
|
|
sub run_script { |
461 |
|
|
|
462 |
|
|
my $self = shift; |
463 |
|
|
my $args = shift; |
464 |
|
|
my $code = shift; |
465 |
|
|
|
466 |
|
|
if ($args->{language} eq 'msdos/bat') { |
467 |
|
|
|
468 |
|
|
#print "code: $code", "\n"; |
469 |
|
|
|
470 |
|
|
# reporting |
471 |
|
|
$self->log("Executing some arbitrary unsigned code (probably unsafe). [language=$args->{language}]", 'info'); |
472 |
|
|
$self->log("\n<code>\n$code\n</code>", 'info'); |
473 |
|
|
|
474 |
|
|
# create temporary intermediate file to execute code |
475 |
|
|
my $tmpdir = '/tmp/rap'; |
476 |
|
|
mkdir $tmpdir; |
477 |
|
|
(my $fh, my $filename) = tempfile( DIR => $tmpdir, SUFFIX => '.bat' ); |
478 |
|
|
print $fh $code, "\n"; |
479 |
|
|
run_cmd( $filename, '', { async => 1 } ); |
480 |
|
|
|
481 |
|
|
# FIXME: DELETE code inside temp-files as soon as possible! |
482 |
|
|
#print $fh ''; |
483 |
|
|
|
484 |
|
|
# TODO: delete FILE completely! |
485 |
|
|
# required for this: wait until execution has finished, then unlink.... |
486 |
|
|
# but: "how to wait until execution is finished"? |
487 |
|
|
# i believe the best is to spawn *another* process directly from here, |
488 |
|
|
# let's call it 'watcher-agent'. |
489 |
|
|
# This one should monitor a certain running process and delete its |
490 |
|
|
# executable file after it has finished execution. |
491 |
|
|
# Possible extensions could be: |
492 |
|
|
# keep track of all stuff sent to STDOUT or STDERR and |
493 |
|
|
# send that stuff to the task-owner indirectly (not via shell/console) |
494 |
|
|
# (e.g. via email, by posting report to a newsgroup or publishing on a specified web-page: use mod-dav!) |
495 |
|
|
|
496 |
|
|
} elsif ($args->{language} eq 'bash') { |
497 |
|
|
$self->log("FIXME: - - - - - -- - - -- BASH - - - - - - - -- - ", 'error'); |
498 |
joko |
1.11 |
|
499 |
|
|
} elsif ($args->{language} eq 'perl') { |
500 |
|
|
|
501 |
|
|
# reporting |
502 |
|
|
#$self->log("Executing some arbitrary unsigned code (probably unsafe). [language=$args->{language}]", 'info'); |
503 |
|
|
#$self->log("\n<code>\n$code\n</code>", 'info'); |
504 |
|
|
|
505 |
|
|
# do it |
506 |
|
|
#eval($code); |
507 |
|
|
#$self->log("\n<code>\n$code\n</code>", 'error') if $@; |
508 |
joko |
1.8 |
|
509 |
|
|
} else { |
510 |
|
|
$self->log("FIXME: Script language '$args->{language}' not implemented.", 'error'); |
511 |
|
|
|
512 |
|
|
} |
513 |
|
|
|
514 |
|
|
} |
515 |
joko |
1.1 |
|
516 |
|
|
1; |
517 |
|
|
__END__ |