| 1 |
## ---------------------------------------------------------------------- |
| 2 |
## $Id: Engine.pm,v 1.12 2003/06/24 20:59:51 jonen Exp $ |
| 3 |
## ---------------------------------------------------------------------- |
| 4 |
## $Log: Engine.pm,v $ |
| 5 |
## Revision 1.12 2003/06/24 20:59:51 jonen |
| 6 |
## added option 'detach' |
| 7 |
## |
| 8 |
## Revision 1.11 2003/06/23 17:54:32 joko |
| 9 |
## prepared execution of in-process perl-code via eval (not activated yet!) |
| 10 |
## |
| 11 |
## Revision 1.10 2003/05/13 07:56:12 joko |
| 12 |
## enhanced: *hierarchical* containers for context handling |
| 13 |
## fixes: some pre-flight checks |
| 14 |
## new: propagate "end-tag" event to e.g. close containers |
| 15 |
## |
| 16 |
## Revision 1.9 2003/04/04 17:23:11 joko |
| 17 |
## minor update: debugging output |
| 18 |
## |
| 19 |
## Revision 1.8 2003/03/29 07:11:54 joko |
| 20 |
## modified: sub run_executable |
| 21 |
## new: sub run_script |
| 22 |
## |
| 23 |
## Revision 1.7 2003/03/28 07:02:56 joko |
| 24 |
## modified structure around '$wrapper_program' |
| 25 |
## |
| 26 |
## Revision 1.6 2003/03/27 15:31:05 joko |
| 27 |
## fixes to modules regarding new namespace(s) below Data::Mungle::* |
| 28 |
## |
| 29 |
## Revision 1.5 2003/03/27 15:03:03 joko |
| 30 |
## enhanced 'sub run_executable' |
| 31 |
## |
| 32 |
## Revision 1.4 2003/02/22 16:51:21 joko |
| 33 |
## + enhanced run_executable |
| 34 |
## modified logging output |
| 35 |
## |
| 36 |
## Revision 1.3 2003/02/21 01:46:17 joko |
| 37 |
## renamed core function |
| 38 |
## |
| 39 |
## Revision 1.2 2003/02/20 19:46:33 joko |
| 40 |
## renamed and revamped some of modules |
| 41 |
## renamed methods |
| 42 |
## + sub run_executable |
| 43 |
## |
| 44 |
## Revision 1.1 2003/02/18 15:35:25 joko |
| 45 |
## + initial commit |
| 46 |
## |
| 47 |
## ---------------------------------------------------------------------- |
| 48 |
|
| 49 |
|
| 50 |
package Data::Rap::Engine; |
| 51 |
|
| 52 |
use strict; |
| 53 |
use warnings; |
| 54 |
|
| 55 |
|
| 56 |
use Data::Dumper; |
| 57 |
use Hash::Merge qw( merge ); |
| 58 |
use Iterate; |
| 59 |
|
| 60 |
use shortcuts qw( run_cmd ); |
| 61 |
use Data::Mungle::Code::Ref qw( ref_slot ); |
| 62 |
use Data::Mungle::Transform::Deep qw( expand deep_copy ); |
| 63 |
use File::Temp qw/ tempfile tempdir /; |
| 64 |
|
| 65 |
my $DEBUG = 0; |
| 66 |
|
| 67 |
sub performTarget { |
| 68 |
my $self = shift; |
| 69 |
my $targetname = shift; |
| 70 |
$self->perform_target($targetname); |
| 71 |
} |
| 72 |
|
| 73 |
sub perform_target { |
| 74 |
my $self = shift; |
| 75 |
my $targetname = shift; |
| 76 |
|
| 77 |
# pre-flight checks |
| 78 |
if (!$targetname) { |
| 79 |
$self->log("Target name empty. Please try to specify (e.g.) on the command line.", 'critical'); |
| 80 |
return; |
| 81 |
} |
| 82 |
|
| 83 |
my $header = ("- " x 12) . " " . $targetname . " " . ("- " x 6); |
| 84 |
|
| 85 |
# V1 |
| 86 |
#$self->log("- " x 35, 'notice'); |
| 87 |
#$self->log("Performing Target '$targetname'.", 'notice'); |
| 88 |
|
| 89 |
# V2 |
| 90 |
#$self->log($header, 'notice'); |
| 91 |
|
| 92 |
# V3 |
| 93 |
#$self->log("- " x 20, 'info'); |
| 94 |
$self->log("Performing Target '$targetname'.", 'notice'); |
| 95 |
|
| 96 |
#exit; |
| 97 |
|
| 98 |
my $target = $self->getTargetDetails($targetname); |
| 99 |
|
| 100 |
# trace |
| 101 |
#print Dumper($target); |
| 102 |
#exit; |
| 103 |
|
| 104 |
$self->perform_dependencies($target); |
| 105 |
$self->perform_details($target); |
| 106 |
|
| 107 |
return 1; |
| 108 |
|
| 109 |
} |
| 110 |
|
| 111 |
sub perform_dependencies { |
| 112 |
my $self = shift; |
| 113 |
my $target = shift; |
| 114 |
# resolve dependencies (just run prior) |
| 115 |
if (my $targetname_dep = $target->{attrib}->{depends}) { |
| 116 |
my @targets = split(/,\s|,/, $targetname_dep); |
| 117 |
#print Dumper(@targets); |
| 118 |
#$self->perform($targetname_dep); |
| 119 |
#delete $target->{attrib}->{depends}; |
| 120 |
foreach (@targets) { |
| 121 |
if (!$self->{__rap}->{dependencies}->{resolved}->{$_}++) { |
| 122 |
$self->perform_target($_); |
| 123 |
} |
| 124 |
} |
| 125 |
delete $target->{attrib}->{depends}; |
| 126 |
} |
| 127 |
} |
| 128 |
|
| 129 |
sub perform_details { |
| 130 |
my $self = shift; |
| 131 |
my $target = shift; |
| 132 |
|
| 133 |
#print Dumper($target); |
| 134 |
#exit; |
| 135 |
|
| 136 |
foreach my $entry (@{$target->{content}}) { |
| 137 |
my $command = $entry->{name}; |
| 138 |
my $args = $entry->{attrib}; |
| 139 |
my $content = $entry->{content}; |
| 140 |
$self->perform_command($command, $args, $content, { warn => 1 } ); |
| 141 |
# check recursiveness |
| 142 |
# new condition: don't recurse if node is flagged to have inline-args (2003-04-17) |
| 143 |
my $has_inline_args = ($entry->{attrib}->{_args} && $entry->{attrib}->{_args} eq 'inline'); |
| 144 |
if ($entry->{content} && ref $entry->{content} && !$has_inline_args) { |
| 145 |
$self->perform_details($entry); |
| 146 |
} |
| 147 |
# new of 2003-05-08 |
| 148 |
$command ||= ''; |
| 149 |
$self->perform_command($command . '_end', undef, undef, { warn => 0 } ); |
| 150 |
} |
| 151 |
} |
| 152 |
|
| 153 |
sub rc { |
| 154 |
my $self = shift; |
| 155 |
return $self->perform_command(@_); |
| 156 |
} |
| 157 |
|
| 158 |
sub perform_command { |
| 159 |
my $self = shift; |
| 160 |
my $command = shift; |
| 161 |
my $args_list = shift; |
| 162 |
my $content = shift; |
| 163 |
my $options = shift; |
| 164 |
|
| 165 |
if (!$command) { |
| 166 |
$self->log("Command was empty!", 'debug') if $DEBUG; |
| 167 |
return; |
| 168 |
} |
| 169 |
|
| 170 |
# FIXME: make '__PACKAGE__' go one level deeper properly! |
| 171 |
$self->log( __PACKAGE__ . "->perform_command: " . $command, 'debug') if $DEBUG; |
| 172 |
|
| 173 |
|
| 174 |
# 1. make arguments from list of arguments(?) |
| 175 |
|
| 176 |
my $args = {}; |
| 177 |
#print Dumper($args_list); |
| 178 |
if ($args_list) { |
| 179 |
if (ref $args_list eq 'ARRAY') { |
| 180 |
foreach (@$args_list) { |
| 181 |
$args = merge($args, $_); |
| 182 |
} |
| 183 |
} else { |
| 184 |
$args = $args_list; |
| 185 |
} |
| 186 |
} |
| 187 |
|
| 188 |
|
| 189 |
# 2. prepare command |
| 190 |
|
| 191 |
# default setting for internal rap commands |
| 192 |
my $method_prefix_default = '_'; |
| 193 |
# setting from property database |
| 194 |
my $method_prefix_setting = $self->get_property('core.method_prefix'); |
| 195 |
#print "setting: ", $method_prefix_setting, "\n"; |
| 196 |
my $prefix = $method_prefix_setting; |
| 197 |
if (not defined $prefix) { |
| 198 |
$prefix = $method_prefix_default; |
| 199 |
} |
| 200 |
$command = $prefix . $command; |
| 201 |
|
| 202 |
|
| 203 |
# 3. determine container |
| 204 |
my $container; # = $self->getInstance(); |
| 205 |
#$container ||= $self->getInstance(); |
| 206 |
$container ||= $self; |
| 207 |
|
| 208 |
# 4. run method |
| 209 |
if ($container->can($command)) { |
| 210 |
$container->$command($args, $content); |
| 211 |
} else { |
| 212 |
my $level = "debug"; |
| 213 |
$level = "warning" if $options->{warn}; |
| 214 |
$self->log("Command '$command' not implemented.", $level) if $DEBUG; |
| 215 |
} |
| 216 |
|
| 217 |
} |
| 218 |
|
| 219 |
|
| 220 |
sub merge_properties { |
| 221 |
my $self = shift; |
| 222 |
my $name = shift; |
| 223 |
my $data = shift; |
| 224 |
|
| 225 |
$self->log("merge-name: $name"); |
| 226 |
#print "name: $name", "\n"; |
| 227 |
#print Dumper($data); |
| 228 |
#exit; |
| 229 |
|
| 230 |
# check if slot (or childs of it) is/are already occupied |
| 231 |
#if (my $data_old = ref_slot($self, $name, undef, '.')) { |
| 232 |
if (my $data_old = $self->get_property($name)) { |
| 233 |
#print "old:", "\n"; |
| 234 |
#print Dumper($data_old); |
| 235 |
|
| 236 |
# FIXME: review - any options for 'merge' here? |
| 237 |
my $data_new = merge($data_old, $data); |
| 238 |
#print "DATA NEE! - MERGE!", "\n"; |
| 239 |
#print Dumper($data_new); |
| 240 |
#exit; |
| 241 |
#merge_to($self, $data_new); |
| 242 |
$self->set_property( { name => $name, value => $data_new } ); |
| 243 |
|
| 244 |
} else { |
| 245 |
|
| 246 |
=pod |
| 247 |
# make up a dummy hash matching the structure of the destination one |
| 248 |
my $dummy = {}; |
| 249 |
ref_slot($dummy, $name, $data, '.'); |
| 250 |
print Dumper($dummy); |
| 251 |
|
| 252 |
# mix into destination |
| 253 |
mixin($self, $dummy, { init => 1 }); |
| 254 |
=cut |
| 255 |
|
| 256 |
ref_slot($self, $name, $data, '.'); |
| 257 |
|
| 258 |
} |
| 259 |
|
| 260 |
|
| 261 |
#print Dumper($self); |
| 262 |
#exit; |
| 263 |
#$self-> |
| 264 |
|
| 265 |
} |
| 266 |
|
| 267 |
sub set_property { |
| 268 |
my $self = shift; |
| 269 |
my $args = shift; |
| 270 |
|
| 271 |
$self->interpolate($args) ; |
| 272 |
my $name = $args->{name}; |
| 273 |
my $value = $args->{value}; |
| 274 |
$name = '__rap.properties.' . $name; |
| 275 |
|
| 276 |
$self->log("set-name: $name"); |
| 277 |
|
| 278 |
#print Dumper($name, $value, '.'); |
| 279 |
|
| 280 |
# fill property slot with given value |
| 281 |
# fix (2003-04-17): always do fill if value is *defined*!!! |
| 282 |
if (defined $value) { |
| 283 |
ref_slot($self, $name, $value, '.'); |
| 284 |
} |
| 285 |
|
| 286 |
#print Dumper($self); |
| 287 |
|
| 288 |
# FIXME!!! |
| 289 |
#return if ! ref $args; |
| 290 |
|
| 291 |
# fill property slot with (probably bigger) data structure from property-/configuration-style - file |
| 292 |
if (my $file = $args->{file}) { |
| 293 |
my $type = $args->{type}; |
| 294 |
if (!$type) { |
| 295 |
die("default file (no type specified) is not implemented yet!"); |
| 296 |
|
| 297 |
} elsif ($type eq 'perl-eval') { |
| 298 |
#die($type); |
| 299 |
$self->loadFromPerlFile($file, $name, $args->{'varnames'}); |
| 300 |
|
| 301 |
} elsif ($type eq 'App::Config') { |
| 302 |
die("not implemented: $type"); |
| 303 |
|
| 304 |
} |
| 305 |
|
| 306 |
} elsif (my $command = $args->{command}) { |
| 307 |
$self->perform_command($command, $args); |
| 308 |
|
| 309 |
} |
| 310 |
|
| 311 |
} |
| 312 |
|
| 313 |
sub get_property { |
| 314 |
my $self = shift; |
| 315 |
#my $args = shift; |
| 316 |
my $name = shift; |
| 317 |
|
| 318 |
#$self->interpolate($args); |
| 319 |
|
| 320 |
#my $name = $args->{name}; |
| 321 |
my $result; |
| 322 |
|
| 323 |
if (!$name) { |
| 324 |
$self->log( __PACKAGE__ . ": no name!", 'critical'); |
| 325 |
|
| 326 |
} elsif ($name eq '/') { |
| 327 |
$result = expand($self); |
| 328 |
|
| 329 |
} elsif ($name eq '.') { |
| 330 |
if (my $instance = $self->getInstance()) { |
| 331 |
$result = expand($instance); |
| 332 |
} else { |
| 333 |
$result = ref_slot($self, '__rap.properties', undef, '.'); |
| 334 |
|
| 335 |
} |
| 336 |
|
| 337 |
} else { |
| 338 |
|
| 339 |
$name = '__rap.properties.' . $name; |
| 340 |
|
| 341 |
$self->log("get-name: $name") if $DEBUG; |
| 342 |
|
| 343 |
# get property slot and return value |
| 344 |
$result = ref_slot($self, $name, undef, '.'); |
| 345 |
|
| 346 |
# FIXME: Is this okay? It's provided for now in order not |
| 347 |
# to deliver an 'undef' to the regex below inside 'interpolate'. |
| 348 |
# revamp this, maybe! |
| 349 |
#$result ||= ''; # NO!!! |
| 350 |
} |
| 351 |
|
| 352 |
return $result; |
| 353 |
} |
| 354 |
|
| 355 |
sub interpolate { |
| 356 |
my $self = shift; |
| 357 |
my $ref = shift; |
| 358 |
IterHash %$ref, sub { |
| 359 |
#print $_[1], "\n"; |
| 360 |
$_[1] =~ s/\${(.+)}/$self->get_property($1)/e; |
| 361 |
} |
| 362 |
} |
| 363 |
|
| 364 |
sub run_executable { |
| 365 |
my $self = shift; |
| 366 |
my $opts = shift; |
| 367 |
|
| 368 |
my $meta = deep_copy($opts); |
| 369 |
|
| 370 |
delete $opts->{caption}; |
| 371 |
delete $opts->{async}; |
| 372 |
delete $opts->{detach}; |
| 373 |
|
| 374 |
#print Dumper($meta); |
| 375 |
|
| 376 |
if ($opts->{executable}) { |
| 377 |
|
| 378 |
my $program = $opts->{executable}; |
| 379 |
delete $opts->{executable}; |
| 380 |
|
| 381 |
# determine execution method |
| 382 |
my $wrapper_program = ''; |
| 383 |
|
| 384 |
# check if program is a namespace-string (contains '::') - use 'do' in this case! |
| 385 |
if ($program =~ /::/) { |
| 386 |
#$wrapper_program = 'rap.pl'; |
| 387 |
$wrapper_program = $0; |
| 388 |
} |
| 389 |
|
| 390 |
# prepare arguments |
| 391 |
my @buf; |
| 392 |
foreach (keys %$opts) { |
| 393 |
my $value = $opts->{$_}; |
| 394 |
if (m/^_/) { |
| 395 |
if ($_ eq '_switches') { |
| 396 |
my @switches = split(/,\s|,/, $value); |
| 397 |
foreach my $switch (@switches) { |
| 398 |
push @buf, '--' . $switch; |
| 399 |
} |
| 400 |
} |
| 401 |
next; |
| 402 |
} |
| 403 |
|
| 404 |
if ($value =~ /\s/) { |
| 405 |
$value = "\"$value\""; |
| 406 |
} |
| 407 |
push @buf, "--$_=$value"; |
| 408 |
} |
| 409 |
|
| 410 |
# build {program} & {arguments} |
| 411 |
my $cmd = ($wrapper_program ? $wrapper_program . ' ' : '') . $program . ' ' . join(' ', @buf); |
| 412 |
|
| 413 |
# trace |
| 414 |
#print "command: $cmd", "\n"; |
| 415 |
|
| 416 |
# start process |
| 417 |
# V1: via shortcut |
| 418 |
#$ENV{PERL5LIB} = join(' ', @INC); |
| 419 |
|
| 420 |
# FIXME!!! what about the other slots of @INC? |
| 421 |
$ENV{PERL5LIB} = $INC[0]; |
| 422 |
|
| 423 |
#print Dumper(%ENV); |
| 424 |
|
| 425 |
#print "command: '$cmd'", "\n"; |
| 426 |
|
| 427 |
# V1 - basic |
| 428 |
#run_cmd($cmd); |
| 429 |
|
| 430 |
# V1.b - enhanced: variable local method |
| 431 |
$meta->{caption} ||= ''; |
| 432 |
$meta->{async} ||= 0; |
| 433 |
$meta->{detach} ||= 0; |
| 434 |
# new of 2003-05-08: USE_PATH! |
| 435 |
$meta->{USE_PATH} ||= 0; |
| 436 |
my $evalstr = "run_cmd('$cmd', '$meta->{caption}', { async => $meta->{async}, detach => $meta->{detach}, USE_PATH => $meta->{USE_PATH} });"; |
| 437 |
eval($evalstr); |
| 438 |
#my $res = do "$cmd"; |
| 439 |
#print $res, "\n" if $res; |
| 440 |
|
| 441 |
#$self->log("run_executable: $evalstr", 'info'); |
| 442 |
$self->raiseException("run_executable: $evalstr\n$@") if $@; |
| 443 |
|
| 444 |
# V2: via IPC::Run |
| 445 |
# .... (TODO) |
| 446 |
|
| 447 |
|
| 448 |
} |
| 449 |
|
| 450 |
} |
| 451 |
|
| 452 |
|
| 453 |
sub run_script { |
| 454 |
|
| 455 |
my $self = shift; |
| 456 |
my $args = shift; |
| 457 |
my $code = shift; |
| 458 |
|
| 459 |
if ($args->{language} eq 'msdos/bat') { |
| 460 |
|
| 461 |
#print "code: $code", "\n"; |
| 462 |
|
| 463 |
# reporting |
| 464 |
$self->log("Executing some arbitrary unsigned code (probably unsafe). [language=$args->{language}]", 'info'); |
| 465 |
$self->log("\n<code>\n$code\n</code>", 'info'); |
| 466 |
|
| 467 |
# create temporary intermediate file to execute code |
| 468 |
my $tmpdir = '/tmp/rap'; |
| 469 |
mkdir $tmpdir; |
| 470 |
(my $fh, my $filename) = tempfile( DIR => $tmpdir, SUFFIX => '.bat' ); |
| 471 |
print $fh $code, "\n"; |
| 472 |
run_cmd( $filename, '', { async => 1 } ); |
| 473 |
|
| 474 |
# FIXME: DELETE code inside temp-files as soon as possible! |
| 475 |
#print $fh ''; |
| 476 |
|
| 477 |
# TODO: delete FILE completely! |
| 478 |
# required for this: wait until execution has finished, then unlink.... |
| 479 |
# but: "how to wait until execution is finished"? |
| 480 |
# i believe the best is to spawn *another* process directly from here, |
| 481 |
# let's call it 'watcher-agent'. |
| 482 |
# This one should monitor a certain running process and delete its |
| 483 |
# executable file after it has finished execution. |
| 484 |
# Possible extensions could be: |
| 485 |
# keep track of all stuff sent to STDOUT or STDERR and |
| 486 |
# send that stuff to the task-owner indirectly (not via shell/console) |
| 487 |
# (e.g. via email, by posting report to a newsgroup or publishing on a specified web-page: use mod-dav!) |
| 488 |
|
| 489 |
} elsif ($args->{language} eq 'bash') { |
| 490 |
$self->log("FIXME: - - - - - -- - - -- BASH - - - - - - - -- - ", 'error'); |
| 491 |
|
| 492 |
} elsif ($args->{language} eq 'perl') { |
| 493 |
|
| 494 |
# reporting |
| 495 |
#$self->log("Executing some arbitrary unsigned code (probably unsafe). [language=$args->{language}]", 'info'); |
| 496 |
#$self->log("\n<code>\n$code\n</code>", 'info'); |
| 497 |
|
| 498 |
# do it |
| 499 |
#eval($code); |
| 500 |
#$self->log("\n<code>\n$code\n</code>", 'error') if $@; |
| 501 |
|
| 502 |
} else { |
| 503 |
$self->log("FIXME: Script language '$args->{language}' not implemented.", 'error'); |
| 504 |
|
| 505 |
} |
| 506 |
|
| 507 |
} |
| 508 |
|
| 509 |
1; |
| 510 |
__END__ |
Parent Directory
| 
Revision Log
