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joko |
1.1 |
## ---------------------------------------------------------------------- |
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joko |
1.10 |
## $Id: Engine.pm,v 1.9 2003/04/04 17:23:11 joko Exp $ |
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joko |
1.1 |
## ---------------------------------------------------------------------- |
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joko |
1.2 |
## $Log: Engine.pm,v $ |
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joko |
1.10 |
## Revision 1.9 2003/04/04 17:23:11 joko |
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## minor update: debugging output |
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## |
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joko |
1.9 |
## Revision 1.8 2003/03/29 07:11:54 joko |
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## modified: sub run_executable |
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## new: sub run_script |
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## |
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joko |
1.8 |
## Revision 1.7 2003/03/28 07:02:56 joko |
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## modified structure around '$wrapper_program' |
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## |
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joko |
1.7 |
## Revision 1.6 2003/03/27 15:31:05 joko |
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## fixes to modules regarding new namespace(s) below Data::Mungle::* |
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## |
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joko |
1.6 |
## Revision 1.5 2003/03/27 15:03:03 joko |
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## enhanced 'sub run_executable' |
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## |
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joko |
1.5 |
## Revision 1.4 2003/02/22 16:51:21 joko |
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## + enhanced run_executable |
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## modified logging output |
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## |
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joko |
1.4 |
## Revision 1.3 2003/02/21 01:46:17 joko |
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## renamed core function |
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## |
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joko |
1.3 |
## Revision 1.2 2003/02/20 19:46:33 joko |
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## renamed and revamped some of modules |
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## renamed methods |
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## + sub run_executable |
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## |
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joko |
1.2 |
## Revision 1.1 2003/02/18 15:35:25 joko |
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## + initial commit |
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## |
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joko |
1.1 |
## ---------------------------------------------------------------------- |
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package Data::Rap::Engine; |
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use strict; |
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use warnings; |
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use Data::Dumper; |
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joko |
1.2 |
use Hash::Merge qw( merge ); |
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joko |
1.1 |
use Iterate; |
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joko |
1.2 |
|
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use shortcuts qw( run_cmd ); |
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joko |
1.6 |
use Data::Mungle::Code::Ref qw( ref_slot ); |
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joko |
1.8 |
use Data::Mungle::Transform::Deep qw( expand deep_copy ); |
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use File::Temp qw/ tempfile tempdir /; |
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joko |
1.1 |
|
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sub performTarget { |
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my $self = shift; |
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my $targetname = shift; |
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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 $targetname = shift; |
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joko |
1.10 |
# pre-flight checks |
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if (!$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 |
1.9 |
$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); |
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joko |
1.1 |
|
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# trace |
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#print Dumper($target); |
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#exit; |
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joko |
1.2 |
$self->perform_dependencies($target); |
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$self->perform_details($target); |
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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}) { |
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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($_); |
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} |
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} |
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joko |
1.1 |
delete $target->{attrib}->{depends}; |
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} |
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joko |
1.2 |
} |
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joko |
1.1 |
|
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joko |
1.2 |
sub perform_details { |
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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}; |
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joko |
1.8 |
my $content = $entry->{content}; |
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joko |
1.10 |
$self->perform_command($command, $args, $content, { warn => 1 } ); |
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joko |
1.2 |
# check recursiveness |
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joko |
1.10 |
# new condition: don't recurse if node is flagged to have inline-args (2004-04-17) |
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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) { |
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joko |
1.2 |
$self->perform_details($entry); |
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} |
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joko |
1.10 |
# new of 2003-05-08 |
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$self->perform_command($command . '_end', undef, undef, { warn => 0 } ); |
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joko |
1.1 |
} |
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} |
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sub rc { |
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my $self = shift; |
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joko |
1.2 |
return $self->perform_command(@_); |
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joko |
1.1 |
} |
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joko |
1.2 |
sub perform_command { |
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joko |
1.1 |
my $self = shift; |
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my $command = shift; |
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joko |
1.8 |
my $args_list = shift; |
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my $content = shift; |
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joko |
1.10 |
my $options = shift; |
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joko |
1.2 |
|
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joko |
1.1 |
if (!$command) { |
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joko |
1.4 |
$self->log("Command was empty!", 'debug'); |
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joko |
1.1 |
return; |
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} |
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joko |
1.2 |
|
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# FIXME: make '__PACKAGE__' go one level deeper properly! |
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$self->log( __PACKAGE__ . "->perform_command: " . $command, 'debug'); |
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joko |
1.1 |
|
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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; |
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} |
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} |
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joko |
1.2 |
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joko |
1.10 |
# 2. prepare command |
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# default setting for internal rap commands |
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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'); |
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#print "setting: ", $method_prefix_setting, "\n"; |
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my $prefix = $method_prefix_setting; |
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if (not defined $prefix) { |
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$prefix = $method_prefix_default; |
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} |
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$command = $prefix . $command; |
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# 3. determine container |
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joko |
1.2 |
my $container; # = $self->getInstance(); |
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joko |
1.10 |
#$container ||= $self->getInstance(); |
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joko |
1.2 |
$container ||= $self; |
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joko |
1.10 |
# 4. run method |
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joko |
1.2 |
if ($container->can($command)) { |
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joko |
1.8 |
$container->$command($args, $content); |
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joko |
1.1 |
} else { |
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joko |
1.10 |
my $level = "debug"; |
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$level = "warning" if $options->{warn}; |
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$self->log("Command '$command' not implemented.", $level); |
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joko |
1.1 |
} |
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joko |
1.2 |
|
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joko |
1.1 |
} |
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joko |
1.2 |
|
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sub merge_properties { |
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joko |
1.1 |
my $self = shift; |
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joko |
1.2 |
my $name = shift; |
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my $data = shift; |
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joko |
1.1 |
|
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joko |
1.2 |
$self->log("merge-name: $name"); |
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#print "name: $name", "\n"; |
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#print Dumper($data); |
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#exit; |
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joko |
1.1 |
|
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joko |
1.2 |
# check if slot (or childs of it) is/are already occupied |
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#if (my $data_old = ref_slot($self, $name, undef, '.')) { |
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if (my $data_old = $self->get_property($name)) { |
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#print "old:", "\n"; |
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#print Dumper($data_old); |
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# FIXME: review - any options for 'merge' here? |
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my $data_new = merge($data_old, $data); |
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#print "DATA NEE! - MERGE!", "\n"; |
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#print Dumper($data_new); |
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#exit; |
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joko |
1.3 |
#merge_to($self, $data_new); |
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joko |
1.2 |
$self->set_property( { name => $name, value => $data_new } ); |
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joko |
1.1 |
} else { |
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joko |
1.2 |
|
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=pod |
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# make up a dummy hash matching the structure of the destination one |
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my $dummy = {}; |
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ref_slot($dummy, $name, $data, '.'); |
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print Dumper($dummy); |
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# mix into destination |
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mixin($self, $dummy, { init => 1 }); |
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=cut |
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ref_slot($self, $name, $data, '.'); |
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joko |
1.1 |
} |
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joko |
1.2 |
|
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#print Dumper($self); |
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#exit; |
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#$self-> |
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} |
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joko |
1.1 |
|
254 |
joko |
1.2 |
sub set_property { |
255 |
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my $self = shift; |
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my $args = shift; |
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$self->interpolate($args) ; |
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my $name = $args->{name}; |
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my $value = $args->{value}; |
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$name = '__rap.properties.' . $name; |
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$self->log("set-name: $name"); |
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joko |
1.1 |
|
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joko |
1.10 |
#print Dumper($name, $value, '.'); |
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267 |
joko |
1.1 |
# fill property slot with given value |
268 |
joko |
1.10 |
# fix (2003-04-17): always do fill if value is *defined*!!! |
269 |
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if (defined $value) { |
270 |
joko |
1.2 |
ref_slot($self, $name, $value, '.'); |
271 |
joko |
1.1 |
} |
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273 |
joko |
1.2 |
#print Dumper($self); |
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275 |
joko |
1.1 |
# FIXME!!! |
276 |
joko |
1.2 |
#return if ! ref $args; |
277 |
joko |
1.1 |
|
278 |
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# fill property slot with (probably bigger) data structure from property-/configuration-style - file |
279 |
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if (my $file = $args->{file}) { |
280 |
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my $type = $args->{type}; |
281 |
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if (!$type) { |
282 |
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die("default file (no type specified) is not implemented yet!"); |
283 |
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284 |
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} elsif ($type eq 'perl-eval') { |
285 |
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#die($type); |
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$self->loadFromPerlFile($file, $name, $args->{'varnames'}); |
287 |
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288 |
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} elsif ($type eq 'App::Config') { |
289 |
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die("not implemented: $type"); |
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291 |
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} |
292 |
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293 |
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} elsif (my $command = $args->{command}) { |
294 |
joko |
1.2 |
$self->perform_command($command, $args); |
295 |
joko |
1.1 |
|
296 |
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} |
297 |
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298 |
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} |
299 |
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300 |
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sub get_property { |
301 |
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my $self = shift; |
302 |
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#my $args = shift; |
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my $name = shift; |
304 |
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305 |
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#$self->interpolate($args); |
306 |
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307 |
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#my $name = $args->{name}; |
308 |
joko |
1.2 |
my $result; |
309 |
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310 |
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if (!$name) { |
311 |
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$self->log( __PACKAGE__ . ": no name!", 'critical'); |
312 |
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313 |
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} elsif ($name eq '/') { |
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$result = expand($self); |
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316 |
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} elsif ($name eq '.') { |
317 |
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if (my $instance = $self->getInstance()) { |
318 |
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$result = expand($instance); |
319 |
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} else { |
320 |
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$result = ref_slot($self, '__rap.properties', undef, '.'); |
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} |
323 |
joko |
1.1 |
|
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joko |
1.2 |
} else { |
325 |
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326 |
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$name = '__rap.properties.' . $name; |
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328 |
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$self->log("get-name: $name"); |
329 |
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330 |
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# get property slot and return value |
331 |
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$result = ref_slot($self, $name, undef, '.'); |
332 |
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333 |
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# FIXME: Is this okay? It's provided for now in order not |
334 |
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# to deliver an 'undef' to the regex below inside 'interpolate'. |
335 |
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# revamp this, maybe! |
336 |
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#$result ||= ''; # NO!!! |
337 |
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} |
338 |
joko |
1.1 |
|
339 |
joko |
1.2 |
return $result; |
340 |
joko |
1.1 |
} |
341 |
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342 |
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sub interpolate { |
343 |
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my $self = shift; |
344 |
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my $ref = shift; |
345 |
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IterHash %$ref, sub { |
346 |
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#print $_[1], "\n"; |
347 |
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$_[1] =~ s/\${(.+)}/$self->get_property($1)/e; |
348 |
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} |
349 |
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} |
350 |
joko |
1.2 |
|
351 |
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sub run_executable { |
352 |
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my $self = shift; |
353 |
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my $opts = shift; |
354 |
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355 |
joko |
1.8 |
my $meta = deep_copy($opts); |
356 |
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357 |
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delete $opts->{caption}; |
358 |
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delete $opts->{async}; |
359 |
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360 |
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#print Dumper($meta); |
361 |
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362 |
joko |
1.2 |
if ($opts->{executable}) { |
363 |
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364 |
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my $program = $opts->{executable}; |
365 |
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delete $opts->{executable}; |
366 |
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367 |
joko |
1.5 |
# determine execution method |
368 |
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my $wrapper_program = ''; |
369 |
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370 |
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# check if program is a namespace-string (contains '::') - use 'do' in this case! |
371 |
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if ($program =~ /::/) { |
372 |
joko |
1.7 |
#$wrapper_program = 'rap.pl'; |
373 |
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$wrapper_program = $0; |
374 |
joko |
1.5 |
} |
375 |
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|
376 |
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# prepare arguments |
377 |
joko |
1.2 |
my @buf; |
378 |
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foreach (keys %$opts) { |
379 |
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my $value = $opts->{$_}; |
380 |
joko |
1.4 |
if (m/^_/) { |
381 |
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if ($_ eq '_switches') { |
382 |
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my @switches = split(/,\s|,/, $value); |
383 |
|
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foreach my $switch (@switches) { |
384 |
|
|
push @buf, '--' . $switch; |
385 |
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} |
386 |
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} |
387 |
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next; |
388 |
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} |
389 |
|
|
|
390 |
joko |
1.2 |
if ($value =~ /\s/) { |
391 |
|
|
$value = "\"$value\""; |
392 |
|
|
} |
393 |
|
|
push @buf, "--$_=$value"; |
394 |
|
|
} |
395 |
joko |
1.5 |
|
396 |
|
|
# build {program} & {arguments} |
397 |
joko |
1.7 |
my $cmd = ($wrapper_program ? $wrapper_program . ' ' : '') . $program . ' ' . join(' ', @buf); |
398 |
joko |
1.2 |
|
399 |
|
|
# trace |
400 |
|
|
#print "command: $cmd", "\n"; |
401 |
|
|
|
402 |
|
|
# start process |
403 |
|
|
# V1: via shortcut |
404 |
|
|
#$ENV{PERL5LIB} = join(' ', @INC); |
405 |
|
|
|
406 |
|
|
# FIXME!!! what about the other slots of @INC? |
407 |
|
|
$ENV{PERL5LIB} = $INC[0]; |
408 |
|
|
|
409 |
|
|
#print Dumper(%ENV); |
410 |
joko |
1.5 |
|
411 |
joko |
1.7 |
#print "command: '$cmd'", "\n"; |
412 |
joko |
1.5 |
|
413 |
|
|
# V1 - basic |
414 |
|
|
#run_cmd($cmd); |
415 |
|
|
|
416 |
|
|
# V1.b - enhanced: variable local method |
417 |
joko |
1.8 |
$meta->{caption} ||= ''; |
418 |
|
|
$meta->{async} ||= 0; |
419 |
joko |
1.10 |
# new of 2003-05-08: USE_PATH! |
420 |
|
|
$meta->{USE_PATH} ||= 0; |
421 |
|
|
my $evalstr = "run_cmd('$cmd', '$meta->{caption}', { async => $meta->{async}, USE_PATH => $meta->{USE_PATH} });"; |
422 |
joko |
1.5 |
eval($evalstr); |
423 |
|
|
#my $res = do "$cmd"; |
424 |
|
|
#print $res, "\n" if $res; |
425 |
|
|
|
426 |
|
|
#$self->log("run_executable: $evalstr", 'info'); |
427 |
|
|
$self->raiseException("run_executable: $evalstr\n$@") if $@; |
428 |
|
|
|
429 |
joko |
1.2 |
# V2: via IPC::Run |
430 |
|
|
# .... (TODO) |
431 |
joko |
1.7 |
|
432 |
joko |
1.2 |
|
433 |
|
|
} |
434 |
|
|
|
435 |
|
|
} |
436 |
|
|
|
437 |
joko |
1.8 |
|
438 |
|
|
sub run_script { |
439 |
|
|
|
440 |
|
|
my $self = shift; |
441 |
|
|
my $args = shift; |
442 |
|
|
my $code = shift; |
443 |
|
|
|
444 |
|
|
if ($args->{language} eq 'msdos/bat') { |
445 |
|
|
|
446 |
|
|
#print "code: $code", "\n"; |
447 |
|
|
|
448 |
|
|
# reporting |
449 |
|
|
$self->log("Executing some arbitrary unsigned code (probably unsafe). [language=$args->{language}]", 'info'); |
450 |
|
|
$self->log("\n<code>\n$code\n</code>", 'info'); |
451 |
|
|
|
452 |
|
|
# create temporary intermediate file to execute code |
453 |
|
|
my $tmpdir = '/tmp/rap'; |
454 |
|
|
mkdir $tmpdir; |
455 |
|
|
(my $fh, my $filename) = tempfile( DIR => $tmpdir, SUFFIX => '.bat' ); |
456 |
|
|
print $fh $code, "\n"; |
457 |
|
|
run_cmd( $filename, '', { async => 1 } ); |
458 |
|
|
|
459 |
|
|
# FIXME: DELETE code inside temp-files as soon as possible! |
460 |
|
|
#print $fh ''; |
461 |
|
|
|
462 |
|
|
# TODO: delete FILE completely! |
463 |
|
|
# required for this: wait until execution has finished, then unlink.... |
464 |
|
|
# but: "how to wait until execution is finished"? |
465 |
|
|
# i believe the best is to spawn *another* process directly from here, |
466 |
|
|
# let's call it 'watcher-agent'. |
467 |
|
|
# This one should monitor a certain running process and delete its |
468 |
|
|
# executable file after it has finished execution. |
469 |
|
|
# Possible extensions could be: |
470 |
|
|
# keep track of all stuff sent to STDOUT or STDERR and |
471 |
|
|
# send that stuff to the task-owner indirectly (not via shell/console) |
472 |
|
|
# (e.g. via email, by posting report to a newsgroup or publishing on a specified web-page: use mod-dav!) |
473 |
|
|
|
474 |
|
|
} elsif ($args->{language} eq 'bash') { |
475 |
|
|
$self->log("FIXME: - - - - - -- - - -- BASH - - - - - - - -- - ", 'error'); |
476 |
|
|
|
477 |
|
|
} else { |
478 |
|
|
$self->log("FIXME: Script language '$args->{language}' not implemented.", 'error'); |
479 |
|
|
|
480 |
|
|
} |
481 |
|
|
|
482 |
|
|
} |
483 |
joko |
1.1 |
|
484 |
|
|
1; |
485 |
|
|
__END__ |