--- nfo/perl/libs/Data/Rap/Engine.pm 2003/03/28 07:02:56 1.7 +++ nfo/perl/libs/Data/Rap/Engine.pm 2003/06/24 20:59:51 1.12 @@ -1,7 +1,25 @@ ## ---------------------------------------------------------------------- -## $Id: Engine.pm,v 1.7 2003/03/28 07:02:56 joko Exp $ +## $Id: Engine.pm,v 1.12 2003/06/24 20:59:51 jonen Exp $ ## ---------------------------------------------------------------------- ## $Log: Engine.pm,v $ +## Revision 1.12 2003/06/24 20:59:51 jonen +## added option 'detach' +## +## Revision 1.11 2003/06/23 17:54:32 joko +## prepared execution of in-process perl-code via eval (not activated yet!) +## +## Revision 1.10 2003/05/13 07:56:12 joko +## enhanced: *hierarchical* containers for context handling +## fixes: some pre-flight checks +## new: propagate "end-tag" event to e.g. close containers +## +## Revision 1.9 2003/04/04 17:23:11 joko +## minor update: debugging output +## +## Revision 1.8 2003/03/29 07:11:54 joko +## modified: sub run_executable +## new: sub run_script +## ## Revision 1.7 2003/03/28 07:02:56 joko ## modified structure around '$wrapper_program' ## @@ -41,7 +59,8 @@ use shortcuts qw( run_cmd ); use Data::Mungle::Code::Ref qw( ref_slot ); -use Data::Mungle::Transform::Deep qw( expand ); +use Data::Mungle::Transform::Deep qw( expand deep_copy ); +use File::Temp qw/ tempfile tempdir /; sub performTarget { @@ -54,12 +73,24 @@ my $self = shift; my $targetname = shift; + # pre-flight checks + if (!$targetname) { + $self->log("Target name empty. Please try to specify (e.g.) on the command line.", 'critical'); + return; + } + my $header = ("- " x 12) . " " . $targetname . " " . ("- " x 6); + # V1 #$self->log("- " x 35, 'notice'); #$self->log("Performing Target '$targetname'.", 'notice'); - $self->log($header, 'notice'); + # V2 + #$self->log($header, 'notice'); + + # V3 + $self->log("- " x 20, 'info'); + $self->log("Performing Target '$targetname'.", 'notice'); #exit; @@ -71,6 +102,8 @@ $self->perform_dependencies($target); $self->perform_details($target); + + return 1; } @@ -102,11 +135,17 @@ foreach my $entry (@{$target->{content}}) { my $command = $entry->{name}; my $args = $entry->{attrib}; - $self->perform_command($command, $args); + my $content = $entry->{content}; + $self->perform_command($command, $args, $content, { warn => 1 } ); # check recursiveness - if ($entry->{content} && ref $entry->{content}) { + # new condition: don't recurse if node is flagged to have inline-args (2003-04-17) + my $has_inline_args = ($entry->{attrib}->{_args} && $entry->{attrib}->{_args} eq 'inline'); + if ($entry->{content} && ref $entry->{content} && !$has_inline_args) { $self->perform_details($entry); } + # new of 2003-05-08 + $command ||= ''; + $self->perform_command($command . '_end', undef, undef, { warn => 0 } ); } } @@ -118,6 +157,9 @@ sub perform_command { my $self = shift; my $command = shift; + my $args_list = shift; + my $content = shift; + my $options = shift; if (!$command) { $self->log("Command was empty!", 'debug'); @@ -127,7 +169,9 @@ # FIXME: make '__PACKAGE__' go one level deeper properly! $self->log( __PACKAGE__ . "->perform_command: " . $command, 'debug'); - my $args_list = shift; + + # 1. make arguments from list of arguments(?) + my $args = {}; #print Dumper($args_list); if ($args_list) { @@ -139,17 +183,34 @@ $args = $args_list; } } - $command = '_' . $command; - # determine container + # 2. prepare command + + # default setting for internal rap commands + my $method_prefix_default = '_'; + # setting from property database + my $method_prefix_setting = $self->get_property('core.method_prefix'); + #print "setting: ", $method_prefix_setting, "\n"; + my $prefix = $method_prefix_setting; + if (not defined $prefix) { + $prefix = $method_prefix_default; + } + $command = $prefix . $command; + + + # 3. determine container my $container; # = $self->getInstance(); + #$container ||= $self->getInstance(); $container ||= $self; + # 4. run method if ($container->can($command)) { - $container->$command($args); + $container->$command($args, $content); } else { - $self->log("Command '$command' not implemented.", "warning"); + my $level = "debug"; + $level = "warning" if $options->{warn}; + $self->log("Command '$command' not implemented.", $level); } } @@ -213,8 +274,11 @@ $self->log("set-name: $name"); + #print Dumper($name, $value, '.'); + # fill property slot with given value - if ($value) { + # fix (2003-04-17): always do fill if value is *defined*!!! + if (defined $value) { ref_slot($self, $name, $value, '.'); } @@ -300,6 +364,14 @@ my $self = shift; my $opts = shift; + my $meta = deep_copy($opts); + + delete $opts->{caption}; + delete $opts->{async}; + delete $opts->{detach}; + + #print Dumper($meta); + if ($opts->{executable}) { my $program = $opts->{executable}; @@ -355,7 +427,12 @@ #run_cmd($cmd); # V1.b - enhanced: variable local method - my $evalstr = "run_cmd('$cmd', 'Some task...', { async => 1 });"; + $meta->{caption} ||= ''; + $meta->{async} ||= 0; + $meta->{detach} ||= 0; + # new of 2003-05-08: USE_PATH! + $meta->{USE_PATH} ||= 0; + my $evalstr = "run_cmd('$cmd', '$meta->{caption}', { async => $meta->{async}, detach => $meta->{detach}, USE_PATH => $meta->{USE_PATH} });"; eval($evalstr); #my $res = do "$cmd"; #print $res, "\n" if $res; @@ -372,5 +449,61 @@ } +sub run_script { + + my $self = shift; + my $args = shift; + my $code = shift; + + if ($args->{language} eq 'msdos/bat') { + + #print "code: $code", "\n"; + + # reporting + $self->log("Executing some arbitrary unsigned code (probably unsafe). [language=$args->{language}]", 'info'); + $self->log("\n\n$code\n", 'info'); + + # create temporary intermediate file to execute code + my $tmpdir = '/tmp/rap'; + mkdir $tmpdir; + (my $fh, my $filename) = tempfile( DIR => $tmpdir, SUFFIX => '.bat' ); + print $fh $code, "\n"; + run_cmd( $filename, '', { async => 1 } ); + + # FIXME: DELETE code inside temp-files as soon as possible! + #print $fh ''; + + # TODO: delete FILE completely! + # required for this: wait until execution has finished, then unlink.... + # but: "how to wait until execution is finished"? + # i believe the best is to spawn *another* process directly from here, + # let's call it 'watcher-agent'. + # This one should monitor a certain running process and delete its + # executable file after it has finished execution. + # Possible extensions could be: + # keep track of all stuff sent to STDOUT or STDERR and + # send that stuff to the task-owner indirectly (not via shell/console) + # (e.g. via email, by posting report to a newsgroup or publishing on a specified web-page: use mod-dav!) + + } elsif ($args->{language} eq 'bash') { + $self->log("FIXME: - - - - - -- - - -- BASH - - - - - - - -- - ", 'error'); + + } elsif ($args->{language} eq 'perl') { + + # reporting + #$self->log("Executing some arbitrary unsigned code (probably unsafe). [language=$args->{language}]", 'info'); + #$self->log("\n\n$code\n", 'info'); + + # do it + #eval($code); + #$self->log("\n\n$code\n", 'error') if $@; + + } else { + $self->log("FIXME: Script language '$args->{language}' not implemented.", 'error'); + + } + +} + 1; __END__