… | |
… | |
5 | use Storable; |
5 | use Storable; |
6 | use Opcode; |
6 | use Opcode; |
7 | use Safe; |
7 | use Safe; |
8 | use Safe::Hole; |
8 | use Safe::Hole; |
9 | |
9 | |
|
|
10 | use IO::AIO (); |
|
|
11 | use YAML::Syck (); |
10 | use Time::HiRes; |
12 | use Time::HiRes; |
11 | use Event; |
13 | use Event; |
12 | $Event::Eval = 1; # no idea why this is required, but it is |
14 | $Event::Eval = 1; # no idea why this is required, but it is |
13 | |
15 | |
|
|
16 | # work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? |
|
|
17 | $YAML::Syck::ImplicitUnicode = 1; |
|
|
18 | |
14 | use strict; |
19 | use strict; |
15 | |
20 | |
16 | _reload_1; |
21 | _init_vars; |
17 | |
22 | |
18 | our %COMMAND = (); |
23 | our %COMMAND = (); |
19 | our @EVENT; |
24 | our @EVENT; |
20 | our %PROP_TYPE; |
|
|
21 | our %PROP_IDX; |
|
|
22 | our $LIBDIR = maps_directory "perl"; |
25 | our $LIBDIR = maps_directory "perl"; |
23 | |
26 | |
24 | our $TICK = MAX_TIME * 1e-6; |
27 | our $TICK = MAX_TIME * 1e-6; |
25 | our $TICK_WATCHER; |
28 | our $TICK_WATCHER; |
26 | our $NEXT_TICK; |
29 | our $NEXT_TICK; |
|
|
30 | |
|
|
31 | our %CFG; |
|
|
32 | |
|
|
33 | our $UPTIME; $UPTIME ||= time; |
|
|
34 | |
|
|
35 | ############################################################################# |
|
|
36 | |
|
|
37 | =head2 GLOBAL VARIABLES |
|
|
38 | |
|
|
39 | =over 4 |
|
|
40 | |
|
|
41 | =item $cf::UPTIME |
|
|
42 | |
|
|
43 | The timestamp of the server start (so not actually an uptime). |
|
|
44 | |
|
|
45 | =item $cf::LIBDIR |
|
|
46 | |
|
|
47 | The perl library directory, where extensions and cf-specific modules can |
|
|
48 | be found. It will be added to C<@INC> automatically. |
|
|
49 | |
|
|
50 | =item $cf::TICK |
|
|
51 | |
|
|
52 | The interval between server ticks, in seconds. |
|
|
53 | |
|
|
54 | =item %cf::CFG |
|
|
55 | |
|
|
56 | Configuration for the server, loaded from C</etc/crossfire/config>, or |
|
|
57 | from wherever your confdir points to. |
|
|
58 | |
|
|
59 | =back |
|
|
60 | |
|
|
61 | =cut |
27 | |
62 | |
28 | BEGIN { |
63 | BEGIN { |
29 | *CORE::GLOBAL::warn = sub { |
64 | *CORE::GLOBAL::warn = sub { |
30 | my $msg = join "", @_; |
65 | my $msg = join "", @_; |
31 | $msg .= "\n" |
66 | $msg .= "\n" |
… | |
… | |
34 | print STDERR "cfperl: $msg"; |
69 | print STDERR "cfperl: $msg"; |
35 | LOG llevError, "cfperl: $msg"; |
70 | LOG llevError, "cfperl: $msg"; |
36 | }; |
71 | }; |
37 | } |
72 | } |
38 | |
73 | |
39 | my %ignore_set = (MAP_PROP_PATH => 1); # I hate the plug-in api. Deeply! |
|
|
40 | |
|
|
41 | # generate property mutators |
|
|
42 | sub prop_gen { |
|
|
43 | my ($prefix, $class) = @_; |
|
|
44 | |
|
|
45 | no strict 'refs'; |
|
|
46 | |
|
|
47 | for my $prop (keys %PROP_TYPE) { |
|
|
48 | $prop =~ /^\Q$prefix\E_(.*$)/ or next; |
|
|
49 | my $sub = lc $1; |
|
|
50 | |
|
|
51 | my $type = $PROP_TYPE{$prop}; |
|
|
52 | my $idx = $PROP_IDX {$prop}; |
|
|
53 | |
|
|
54 | *{"$class\::get_$sub"} = *{"$class\::$sub"} = sub { |
|
|
55 | $_[0]->get_property ($type, $idx) |
|
|
56 | }; |
|
|
57 | |
|
|
58 | *{"$class\::set_$sub"} = sub { |
|
|
59 | $_[0]->set_property ($type, $idx, $_[1]); |
|
|
60 | } unless $ignore_set{$prop}; |
|
|
61 | } |
|
|
62 | } |
|
|
63 | |
|
|
64 | # auto-generate most of the API |
|
|
65 | |
|
|
66 | prop_gen OBJECT_PROP => "cf::object"; |
|
|
67 | # CFAPI_OBJECT_ANIMATION? |
|
|
68 | prop_gen PLAYER_PROP => "cf::object::player"; |
|
|
69 | |
|
|
70 | prop_gen MAP_PROP => "cf::map"; |
|
|
71 | prop_gen ARCH_PROP => "cf::arch"; |
|
|
72 | |
|
|
73 | @safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; |
74 | @safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; |
74 | |
75 | |
75 | # we bless all objects into (empty) derived classes to force a method lookup |
76 | # we bless all objects into (empty) derived classes to force a method lookup |
76 | # within the Safe compartment. |
77 | # within the Safe compartment. |
77 | for my $pkg (qw(cf::object cf::object::player cf::player cf::map cf::party cf::region cf::arch cf::living)) { |
78 | for my $pkg (qw(cf::object cf::object::player cf::player cf::map cf::party cf::region cf::arch cf::living)) { |
… | |
… | |
87 | my @exts; |
88 | my @exts; |
88 | my @hook; |
89 | my @hook; |
89 | my %command; |
90 | my %command; |
90 | my %extcmd; |
91 | my %extcmd; |
91 | |
92 | |
92 | ############################################################################# |
93 | =head2 UTILITY FUNCTIONS |
93 | # utility functions |
94 | |
|
|
95 | =over 4 |
|
|
96 | |
|
|
97 | =cut |
94 | |
98 | |
95 | use JSON::Syck (); # TODO# replace by JSON::PC once working |
99 | use JSON::Syck (); # TODO# replace by JSON::PC once working |
|
|
100 | |
|
|
101 | =item $ref = cf::from_json $json |
|
|
102 | |
|
|
103 | Converts a JSON string into the corresponding perl data structure. |
|
|
104 | |
|
|
105 | =cut |
96 | |
106 | |
97 | sub from_json($) { |
107 | sub from_json($) { |
98 | $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs |
108 | $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs |
99 | JSON::Syck::Load $_[0] |
109 | JSON::Syck::Load $_[0] |
100 | } |
110 | } |
101 | |
111 | |
|
|
112 | =item $json = cf::to_json $ref |
|
|
113 | |
|
|
114 | Converts a perl data structure into its JSON representation. |
|
|
115 | |
|
|
116 | =cut |
|
|
117 | |
102 | sub to_json($) { |
118 | sub to_json($) { |
103 | $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs |
119 | $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs |
104 | JSON::Syck::Dump $_[0] |
120 | JSON::Syck::Dump $_[0] |
105 | } |
121 | } |
106 | |
122 | |
|
|
123 | =back |
|
|
124 | |
|
|
125 | =cut |
|
|
126 | |
107 | ############################################################################# |
127 | ############################################################################# |
108 | # "new" plug-in system |
128 | |
|
|
129 | =head2 EVENTS AND OBJECT ATTACHMENTS |
|
|
130 | |
|
|
131 | =over 4 |
109 | |
132 | |
110 | =item $object->attach ($attachment, key => $value...) |
133 | =item $object->attach ($attachment, key => $value...) |
111 | |
134 | |
112 | =item $object->detach ($attachment) |
135 | =item $object->detach ($attachment) |
113 | |
136 | |
… | |
… | |
122 | =item $map->attach ($attachment, key => $value...) |
145 | =item $map->attach ($attachment, key => $value...) |
123 | |
146 | |
124 | =item $map->detach ($attachment) |
147 | =item $map->detach ($attachment) |
125 | |
148 | |
126 | Attach/detach a pre-registered attachment to a map. |
149 | Attach/detach a pre-registered attachment to a map. |
|
|
150 | |
|
|
151 | =item $bool = $object->attached ($name) |
|
|
152 | |
|
|
153 | =item $bool = $player->attached ($name) |
|
|
154 | |
|
|
155 | =item $bool = $map->attached ($name) |
|
|
156 | |
|
|
157 | Checks wether the named attachment is currently attached to the object. |
127 | |
158 | |
128 | =item cf::attach_global ... |
159 | =item cf::attach_global ... |
129 | |
160 | |
130 | Attach handlers for global events. |
161 | Attach handlers for global events. |
131 | |
162 | |
… | |
… | |
181 | Attach handlers to all maps. |
212 | Attach handlers to all maps. |
182 | |
213 | |
183 | =item cf:register_attachment $name, ... |
214 | =item cf:register_attachment $name, ... |
184 | |
215 | |
185 | Register an attachment by name through which objects can refer to this |
216 | Register an attachment by name through which objects can refer to this |
|
|
217 | attachment. |
|
|
218 | |
|
|
219 | =item cf:register_player_attachment $name, ... |
|
|
220 | |
|
|
221 | Register an attachment by name through which players can refer to this |
186 | attachment. |
222 | attachment. |
187 | |
223 | |
188 | =item cf:register_map_attachment $name, ... |
224 | =item cf:register_map_attachment $name, ... |
189 | |
225 | |
190 | Register an attachment by name through which maps can refer to this |
226 | Register an attachment by name through which maps can refer to this |
… | |
… | |
261 | } |
297 | } |
262 | |
298 | |
263 | sub _attach_attachment { |
299 | sub _attach_attachment { |
264 | my ($obj, $name, %arg) = @_; |
300 | my ($obj, $name, %arg) = @_; |
265 | |
301 | |
|
|
302 | return if exists $obj->{_attachment}{$name}; |
|
|
303 | |
266 | my $res; |
304 | my $res; |
267 | |
305 | |
268 | if (my $attach = $attachment{$name}) { |
306 | if (my $attach = $attachment{$name}) { |
269 | my $registry = $obj->registry; |
307 | my $registry = $obj->registry; |
270 | |
308 | |
… | |
… | |
282 | |
320 | |
283 | $res->{attachment} = $name; |
321 | $res->{attachment} = $name; |
284 | $res |
322 | $res |
285 | } |
323 | } |
286 | |
324 | |
287 | sub cf::object::attach { |
325 | *cf::object::attach = |
|
|
326 | *cf::player::attach = |
|
|
327 | *cf::map::attach = sub { |
288 | my ($obj, $name, %arg) = @_; |
328 | my ($obj, $name, %arg) = @_; |
289 | |
329 | |
290 | _attach_attachment $obj, $name, %arg; |
330 | _attach_attachment $obj, $name, %arg; |
291 | } |
331 | }; |
292 | |
332 | |
293 | sub cf::player::attach { |
333 | # all those should be optimised |
294 | my ($obj, $name, %arg) = @_; |
|
|
295 | |
|
|
296 | _attach_attachment $obj, $name, %arg; |
|
|
297 | } |
|
|
298 | |
|
|
299 | sub cf::map::attach { |
|
|
300 | my ($obj, $name, %arg) = @_; |
|
|
301 | |
|
|
302 | _attach_attachment $obj, $name, %arg; |
|
|
303 | } |
|
|
304 | |
|
|
305 | sub cf::object::detach { |
334 | *cf::object::detach = |
|
|
335 | *cf::player::detach = |
|
|
336 | *cf::map::detach = sub { |
306 | my ($obj, $name) = @_; |
337 | my ($obj, $name) = @_; |
307 | die;#d# |
338 | |
308 | } |
339 | delete $obj->{_attachment}{$name}; |
309 | sub cf::player::detach { |
340 | reattach ($obj); |
|
|
341 | }; |
|
|
342 | |
|
|
343 | *cf::object::attached = |
|
|
344 | *cf::player::attached = |
|
|
345 | *cf::map::attached = sub { |
310 | my ($obj, $name) = @_; |
346 | my ($obj, $name) = @_; |
311 | die;#d# |
347 | |
312 | } |
348 | exists $obj->{_attachment}{$name} |
313 | sub cf::map::detach { |
349 | }; |
314 | my ($obj, $name) = @_; |
|
|
315 | die;#d# |
|
|
316 | } |
|
|
317 | |
350 | |
318 | sub attach_global { |
351 | sub attach_global { |
319 | _attach @CB_GLOBAL, KLASS_GLOBAL, @_ |
352 | _attach @CB_GLOBAL, KLASS_GLOBAL, @_ |
320 | } |
353 | } |
321 | |
354 | |
… | |
… | |
342 | my $name = shift; |
375 | my $name = shift; |
343 | |
376 | |
344 | $attachment{$name} = [[KLASS_OBJECT, @_]]; |
377 | $attachment{$name} = [[KLASS_OBJECT, @_]]; |
345 | } |
378 | } |
346 | |
379 | |
|
|
380 | sub register_player_attachment { |
|
|
381 | my $name = shift; |
|
|
382 | |
|
|
383 | $attachment{$name} = [[KLASS_PLAYER, @_]]; |
|
|
384 | } |
|
|
385 | |
347 | sub register_map_attachment { |
386 | sub register_map_attachment { |
348 | my $name = shift; |
387 | my $name = shift; |
349 | |
388 | |
350 | $attachment{$name} = [[KLASS_MAP, @_]]; |
389 | $attachment{$name} = [[KLASS_MAP, @_]]; |
351 | } |
390 | } |
… | |
… | |
369 | for (@$callbacks) { |
408 | for (@$callbacks) { |
370 | eval { &{$_->[1]} }; |
409 | eval { &{$_->[1]} }; |
371 | |
410 | |
372 | if ($@) { |
411 | if ($@) { |
373 | warn "$@"; |
412 | warn "$@"; |
374 | warn "... while processing $EVENT[$event][0] event, skipping processing altogether.\n"; |
413 | warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n"; |
375 | override; |
414 | override; |
376 | } |
415 | } |
377 | |
416 | |
378 | return 1 if $override; |
417 | return 1 if $override; |
379 | } |
418 | } |
380 | |
419 | |
381 | 0 |
420 | 0 |
382 | } |
421 | } |
|
|
422 | |
|
|
423 | =item $bool = cf::invoke EVENT_GLOBAL_XXX, ... |
|
|
424 | |
|
|
425 | =item $bool = $object->invoke (EVENT_OBJECT_XXX, ...) |
|
|
426 | |
|
|
427 | =item $bool = $player->invoke (EVENT_PLAYER_XXX, ...) |
|
|
428 | |
|
|
429 | =item $bool = $map->invoke (EVENT_MAP_XXX, ...) |
|
|
430 | |
|
|
431 | Generate a global/object/player/map-specific event with the given arguments. |
|
|
432 | |
|
|
433 | This API is preliminary (most likely, the EVENT_KLASS_xxx prefix will be |
|
|
434 | removed in future versions), and there is no public API to access override |
|
|
435 | results (if you must, access C<@cf::invoke_results> directly). |
|
|
436 | |
|
|
437 | =back |
|
|
438 | |
|
|
439 | =cut |
|
|
440 | |
|
|
441 | ############################################################################# |
|
|
442 | |
|
|
443 | =head2 METHODS VALID FOR ALL CORE OBJECTS |
|
|
444 | |
|
|
445 | =over 4 |
|
|
446 | |
|
|
447 | =item $object->valid, $player->valid, $map->valid |
|
|
448 | |
|
|
449 | Just because you have a perl object does not mean that the corresponding |
|
|
450 | C-level object still exists. If you try to access an object that has no |
|
|
451 | valid C counterpart anymore you get an exception at runtime. This method |
|
|
452 | can be used to test for existence of the C object part without causing an |
|
|
453 | exception. |
|
|
454 | |
|
|
455 | =back |
|
|
456 | |
|
|
457 | =cut |
|
|
458 | |
|
|
459 | *cf::object::valid = |
|
|
460 | *cf::player::valid = |
|
|
461 | *cf::map::valid = \&cf::_valid; |
383 | |
462 | |
384 | ############################################################################# |
463 | ############################################################################# |
385 | # object support |
464 | # object support |
386 | |
465 | |
387 | sub instantiate { |
466 | sub instantiate { |
… | |
… | |
416 | } |
495 | } |
417 | } |
496 | } |
418 | } |
497 | } |
419 | |
498 | |
420 | sub object_freezer_save { |
499 | sub object_freezer_save { |
421 | my ($filename, $objs) = @_; |
500 | my ($filename, $rdata, $objs) = @_; |
422 | |
501 | |
423 | if (@$objs) { |
502 | if (length $$rdata) { |
|
|
503 | warn sprintf "saving %s (%d,%d)\n", |
|
|
504 | $filename, length $$rdata, scalar @$objs; |
|
|
505 | |
424 | open my $fh, ">:raw", "$filename.pst~"; |
506 | if (open my $fh, ">:raw", "$filename~") { |
|
|
507 | chmod SAVE_MODE, $fh; |
|
|
508 | syswrite $fh, $$rdata; |
|
|
509 | close $fh; |
|
|
510 | |
|
|
511 | if (@$objs && open my $fh, ">:raw", "$filename.pst~") { |
|
|
512 | chmod SAVE_MODE, $fh; |
425 | syswrite $fh, Storable::nfreeze { version => 1, objs => $objs }; |
513 | syswrite $fh, Storable::nfreeze { version => 1, objs => $objs }; |
426 | close $fh; |
514 | close $fh; |
427 | chmod SAVE_MODE, "$filename.pst~"; |
|
|
428 | rename "$filename.pst~", "$filename.pst"; |
515 | rename "$filename.pst~", "$filename.pst"; |
|
|
516 | } else { |
|
|
517 | unlink "$filename.pst"; |
|
|
518 | } |
|
|
519 | |
|
|
520 | rename "$filename~", $filename; |
|
|
521 | } else { |
|
|
522 | warn "FATAL: $filename~: $!\n"; |
|
|
523 | } |
429 | } else { |
524 | } else { |
|
|
525 | unlink $filename; |
430 | unlink "$filename.pst"; |
526 | unlink "$filename.pst"; |
431 | } |
527 | } |
|
|
528 | } |
432 | |
529 | |
433 | chmod SAVE_MODE, "$filename~"; |
530 | sub object_freezer_as_string { |
434 | rename "$filename~", $filename; |
531 | my ($rdata, $objs) = @_; |
|
|
532 | |
|
|
533 | use Data::Dumper; |
|
|
534 | |
|
|
535 | $$rdata . Dumper $objs |
435 | } |
536 | } |
436 | |
537 | |
437 | sub object_thawer_load { |
538 | sub object_thawer_load { |
438 | my ($filename) = @_; |
539 | my ($filename) = @_; |
439 | |
540 | |
|
|
541 | local $/; |
|
|
542 | |
|
|
543 | my $av; |
|
|
544 | |
|
|
545 | #TODO: use sysread etc. |
|
|
546 | if (open my $data, "<:raw:perlio", $filename) { |
|
|
547 | $data = <$data>; |
440 | open my $fh, "<:raw:perlio", "$filename.pst" |
548 | if (open my $pst, "<:raw:perlio", "$filename.pst") { |
441 | or return; |
549 | $av = eval { (Storable::thaw <$pst>)->{objs} }; |
|
|
550 | } |
|
|
551 | return ($data, $av); |
|
|
552 | } |
442 | |
553 | |
443 | eval { local $/; (Storable::thaw <$fh>)->{objs} } |
554 | () |
444 | } |
555 | } |
445 | |
556 | |
446 | attach_to_objects |
557 | attach_to_objects |
447 | prio => -1000000, |
558 | prio => -1000000, |
448 | on_clone => sub { |
559 | on_clone => sub { |
… | |
… | |
533 | . "#line 1 \"$path\"\n{\n" |
644 | . "#line 1 \"$path\"\n{\n" |
534 | . (do { local $/; <$fh> }) |
645 | . (do { local $/; <$fh> }) |
535 | . "\n};\n1"; |
646 | . "\n};\n1"; |
536 | |
647 | |
537 | eval $source |
648 | eval $source |
538 | or die "$path: $@"; |
649 | or die $@ ? "$path: $@\n" |
|
|
650 | : "extension disabled.\n"; |
539 | |
651 | |
540 | push @exts, $pkg; |
652 | push @exts, $pkg; |
541 | $ext_pkg{$base} = $pkg; |
653 | $ext_pkg{$base} = $pkg; |
542 | |
654 | |
543 | # no strict 'refs'; |
655 | # no strict 'refs'; |
… | |
… | |
594 | load_extension $ext; |
706 | load_extension $ext; |
595 | 1 |
707 | 1 |
596 | } or warn "$ext not loaded: $@"; |
708 | } or warn "$ext not loaded: $@"; |
597 | } |
709 | } |
598 | } |
710 | } |
599 | |
|
|
600 | sub _perl_reload(&) { |
|
|
601 | my ($msg) = @_; |
|
|
602 | |
|
|
603 | $msg->("reloading..."); |
|
|
604 | |
|
|
605 | eval { |
|
|
606 | # 1. cancel all watchers |
|
|
607 | $_->cancel for Event::all_watchers; |
|
|
608 | |
|
|
609 | # 2. unload all extensions |
|
|
610 | for (@exts) { |
|
|
611 | $msg->("unloading <$_>"); |
|
|
612 | unload_extension $_; |
|
|
613 | } |
|
|
614 | |
|
|
615 | # 3. unload all modules loaded from $LIBDIR |
|
|
616 | while (my ($k, $v) = each %INC) { |
|
|
617 | next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; |
|
|
618 | |
|
|
619 | $msg->("removing <$k>"); |
|
|
620 | delete $INC{$k}; |
|
|
621 | |
|
|
622 | $k =~ s/\.pm$//; |
|
|
623 | $k =~ s/\//::/g; |
|
|
624 | |
|
|
625 | if (my $cb = $k->can ("unload_module")) { |
|
|
626 | $cb->(); |
|
|
627 | } |
|
|
628 | |
|
|
629 | Symbol::delete_package $k; |
|
|
630 | } |
|
|
631 | |
|
|
632 | # 4. get rid of safe::, as good as possible |
|
|
633 | Symbol::delete_package "safe::$_" |
|
|
634 | for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region); |
|
|
635 | |
|
|
636 | # 5. remove register_script_function callbacks |
|
|
637 | # TODO |
|
|
638 | |
|
|
639 | # 6. unload cf.pm "a bit" |
|
|
640 | delete $INC{"cf.pm"}; |
|
|
641 | |
|
|
642 | # don't, removes xs symbols, too, |
|
|
643 | # and global variables created in xs |
|
|
644 | #Symbol::delete_package __PACKAGE__; |
|
|
645 | |
|
|
646 | # 7. reload cf.pm |
|
|
647 | $msg->("reloading cf.pm"); |
|
|
648 | require cf; |
|
|
649 | }; |
|
|
650 | $msg->($@) if $@; |
|
|
651 | |
|
|
652 | $msg->("reloaded"); |
|
|
653 | }; |
|
|
654 | |
|
|
655 | sub perl_reload() { |
|
|
656 | _perl_reload { |
|
|
657 | warn $_[0]; |
|
|
658 | print "$_[0]\n"; |
|
|
659 | }; |
|
|
660 | } |
|
|
661 | |
|
|
662 | register_command "perl-reload", 0, sub { |
|
|
663 | my ($who, $arg) = @_; |
|
|
664 | |
|
|
665 | if ($who->flag (FLAG_WIZ)) { |
|
|
666 | _perl_reload { |
|
|
667 | warn $_[0]; |
|
|
668 | $who->message ($_[0]); |
|
|
669 | }; |
|
|
670 | } |
|
|
671 | }; |
|
|
672 | |
711 | |
673 | ############################################################################# |
712 | ############################################################################# |
674 | # extcmd framework, basically convert ext <msg> |
713 | # extcmd framework, basically convert ext <msg> |
675 | # into pkg::->on_extcmd_arg1 (...) while shortcutting a few |
714 | # into pkg::->on_extcmd_arg1 (...) while shortcutting a few |
676 | |
715 | |
… | |
… | |
704 | defined $path or return; |
743 | defined $path or return; |
705 | |
744 | |
706 | unlink "$path.pst"; |
745 | unlink "$path.pst"; |
707 | }; |
746 | }; |
708 | |
747 | |
709 | # old style persistent data, TODO: remove #d# |
|
|
710 | *cf::mapsupport::on_swapin = |
|
|
711 | *cf::mapsupport::on_load = sub { |
|
|
712 | my ($map) = @_; |
|
|
713 | |
|
|
714 | my $path = $map->tmpname; |
|
|
715 | $path = $map->path unless defined $path; |
|
|
716 | |
|
|
717 | open my $fh, "<:raw", "$path.cfperl" |
|
|
718 | or return; # no perl data |
|
|
719 | |
|
|
720 | my $data = Storable::thaw do { local $/; <$fh> }; |
|
|
721 | |
|
|
722 | $data->{version} <= 1 |
|
|
723 | or return; # too new |
|
|
724 | |
|
|
725 | $map->_set_obs ($data->{obs}); |
|
|
726 | $map->invoke (EVENT_MAP_UPGRADE); |
|
|
727 | }; |
|
|
728 | |
|
|
729 | attach_to_maps prio => -10000, package => cf::mapsupport::; |
748 | attach_to_maps prio => -10000, package => cf::mapsupport::; |
730 | |
749 | |
731 | ############################################################################# |
750 | ############################################################################# |
732 | # load/save perl data associated with player->ob objects |
751 | # load/save perl data associated with player->ob objects |
733 | |
752 | |
734 | sub all_objects(@) { |
753 | sub all_objects(@) { |
735 | @_, map all_objects ($_->inv), @_ |
754 | @_, map all_objects ($_->inv), @_ |
736 | } |
755 | } |
737 | |
756 | |
|
|
757 | # TODO: compatibility cruft, remove when no longer needed |
738 | attach_to_players |
758 | attach_to_players |
739 | on_load => sub { |
759 | on_load => sub { |
740 | my ($pl, $path) = @_; |
760 | my ($pl, $path) = @_; |
741 | |
761 | |
742 | for my $o (all_objects $pl->ob) { |
762 | for my $o (all_objects $pl->ob) { |
… | |
… | |
748 | } |
768 | } |
749 | }, |
769 | }, |
750 | ; |
770 | ; |
751 | |
771 | |
752 | ############################################################################# |
772 | ############################################################################# |
753 | # core extensions - in perl |
773 | |
|
|
774 | =head2 CORE EXTENSIONS |
|
|
775 | |
|
|
776 | Functions and methods that extend core crossfire objects. |
|
|
777 | |
|
|
778 | =over 4 |
754 | |
779 | |
755 | =item cf::player::exists $login |
780 | =item cf::player::exists $login |
756 | |
781 | |
757 | Returns true when the given account exists. |
782 | Returns true when the given account exists. |
758 | |
783 | |
… | |
… | |
761 | sub cf::player::exists($) { |
786 | sub cf::player::exists($) { |
762 | cf::player::find $_[0] |
787 | cf::player::find $_[0] |
763 | or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; |
788 | or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; |
764 | } |
789 | } |
765 | |
790 | |
766 | =item $player->reply ($npc, $msg[, $flags]) |
791 | =item $player_object->reply ($npc, $msg[, $flags]) |
767 | |
792 | |
768 | Sends a message to the player, as if the npc C<$npc> replied. C<$npc> |
793 | Sends a message to the player, as if the npc C<$npc> replied. C<$npc> |
769 | can be C<undef>. Does the right thing when the player is currently in a |
794 | can be C<undef>. Does the right thing when the player is currently in a |
770 | dialogue with the given NPC character. |
795 | dialogue with the given NPC character. |
771 | |
796 | |
… | |
… | |
798 | $msg{msgid} = $id; |
823 | $msg{msgid} = $id; |
799 | |
824 | |
800 | $self->send ("ext " . to_json \%msg); |
825 | $self->send ("ext " . to_json \%msg); |
801 | } |
826 | } |
802 | |
827 | |
|
|
828 | =item $player_object->may ("access") |
|
|
829 | |
|
|
830 | Returns wether the given player is authorized to access resource "access" |
|
|
831 | (e.g. "command_wizcast"). |
|
|
832 | |
|
|
833 | =cut |
|
|
834 | |
|
|
835 | sub cf::object::player::may { |
|
|
836 | my ($self, $access) = @_; |
|
|
837 | |
|
|
838 | $self->flag (cf::FLAG_WIZ) || |
|
|
839 | (ref $cf::CFG{"may_$access"} |
|
|
840 | ? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}} |
|
|
841 | : $cf::CFG{"may_$access"}) |
|
|
842 | } |
|
|
843 | |
|
|
844 | =cut |
|
|
845 | |
803 | ############################################################################# |
846 | ############################################################################# |
804 | # map scripting support |
847 | |
|
|
848 | =head2 SAFE SCRIPTING |
|
|
849 | |
|
|
850 | Functions that provide a safe environment to compile and execute |
|
|
851 | snippets of perl code without them endangering the safety of the server |
|
|
852 | itself. Looping constructs, I/O operators and other built-in functionality |
|
|
853 | is not available in the safe scripting environment, and the number of |
|
|
854 | functions and methods that can be called is greatly reduced. |
|
|
855 | |
|
|
856 | =cut |
805 | |
857 | |
806 | our $safe = new Safe "safe"; |
858 | our $safe = new Safe "safe"; |
807 | our $safe_hole = new Safe::Hole; |
859 | our $safe_hole = new Safe::Hole; |
808 | |
860 | |
809 | $SIG{FPE} = 'IGNORE'; |
861 | $SIG{FPE} = 'IGNORE'; |
810 | |
862 | |
811 | $safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); |
863 | $safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); |
812 | |
864 | |
813 | # here we export the classes and methods available to script code |
865 | # here we export the classes and methods available to script code |
|
|
866 | |
|
|
867 | =pod |
|
|
868 | |
|
|
869 | The following fucntions and emthods are available within a safe environment: |
|
|
870 | |
|
|
871 | cf::object contr pay_amount pay_player |
|
|
872 | cf::object::player player |
|
|
873 | cf::player peaceful |
|
|
874 | |
|
|
875 | =cut |
814 | |
876 | |
815 | for ( |
877 | for ( |
816 | ["cf::object" => qw(contr pay_amount pay_player)], |
878 | ["cf::object" => qw(contr pay_amount pay_player)], |
817 | ["cf::object::player" => qw(player)], |
879 | ["cf::object::player" => qw(player)], |
818 | ["cf::player" => qw(peaceful)], |
880 | ["cf::player" => qw(peaceful)], |
… | |
… | |
821 | my ($pkg, @funs) = @$_; |
883 | my ($pkg, @funs) = @$_; |
822 | *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) |
884 | *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) |
823 | for @funs; |
885 | for @funs; |
824 | } |
886 | } |
825 | |
887 | |
|
|
888 | =over 4 |
|
|
889 | |
|
|
890 | =item @retval = safe_eval $code, [var => value, ...] |
|
|
891 | |
|
|
892 | Compiled and executes the given perl code snippet. additional var/value |
|
|
893 | pairs result in temporary local (my) scalar variables of the given name |
|
|
894 | that are available in the code snippet. Example: |
|
|
895 | |
|
|
896 | my $five = safe_eval '$first + $second', first => 1, second => 4; |
|
|
897 | |
|
|
898 | =cut |
|
|
899 | |
826 | sub safe_eval($;@) { |
900 | sub safe_eval($;@) { |
827 | my ($code, %vars) = @_; |
901 | my ($code, %vars) = @_; |
828 | |
902 | |
829 | my $qcode = $code; |
903 | my $qcode = $code; |
830 | $qcode =~ s/"/‟/g; # not allowed in #line filenames |
904 | $qcode =~ s/"/‟/g; # not allowed in #line filenames |
… | |
… | |
852 | } |
926 | } |
853 | |
927 | |
854 | wantarray ? @res : $res[0] |
928 | wantarray ? @res : $res[0] |
855 | } |
929 | } |
856 | |
930 | |
|
|
931 | =item cf::register_script_function $function => $cb |
|
|
932 | |
|
|
933 | Register a function that can be called from within map/npc scripts. The |
|
|
934 | function should be reasonably secure and should be put into a package name |
|
|
935 | like the extension. |
|
|
936 | |
|
|
937 | Example: register a function that gets called whenever a map script calls |
|
|
938 | C<rent::overview>, as used by the C<rent> extension. |
|
|
939 | |
|
|
940 | cf::register_script_function "rent::overview" => sub { |
|
|
941 | ... |
|
|
942 | }; |
|
|
943 | |
|
|
944 | =cut |
|
|
945 | |
857 | sub register_script_function { |
946 | sub register_script_function { |
858 | my ($fun, $cb) = @_; |
947 | my ($fun, $cb) = @_; |
859 | |
948 | |
860 | no strict 'refs'; |
949 | no strict 'refs'; |
861 | *{"safe::$fun"} = $safe_hole->wrap ($cb); |
950 | *{"safe::$fun"} = $safe_hole->wrap ($cb); |
862 | } |
951 | } |
863 | |
952 | |
|
|
953 | =back |
|
|
954 | |
|
|
955 | =cut |
|
|
956 | |
|
|
957 | ############################################################################# |
|
|
958 | |
|
|
959 | =head2 EXTENSION DATABASE SUPPORT |
|
|
960 | |
|
|
961 | Crossfire maintains a very simple database for extension use. It can |
|
|
962 | currently store anything that can be serialised using Storable, which |
|
|
963 | excludes objects. |
|
|
964 | |
|
|
965 | The parameter C<$family> should best start with the name of the extension |
|
|
966 | using it, it should be unique. |
|
|
967 | |
|
|
968 | =over 4 |
|
|
969 | |
|
|
970 | =item $hashref = cf::db_get $family |
|
|
971 | |
|
|
972 | Return a hashref for use by the extension C<$family>, which can be |
|
|
973 | modified. After modifications, you have to call C<cf::db_dirty> or |
|
|
974 | C<cf::db_sync>. |
|
|
975 | |
|
|
976 | =item $value = cf::db_get $family => $key |
|
|
977 | |
|
|
978 | Returns a single value from the database |
|
|
979 | |
|
|
980 | =item cf::db_put $family => $hashref |
|
|
981 | |
|
|
982 | Stores the given family hashref into the database. Updates are delayed, if |
|
|
983 | you want the data to be synced to disk immediately, use C<cf::db_sync>. |
|
|
984 | |
|
|
985 | =item cf::db_put $family => $key => $value |
|
|
986 | |
|
|
987 | Stores the given C<$value> in the family hash. Updates are delayed, if you |
|
|
988 | want the data to be synced to disk immediately, use C<cf::db_sync>. |
|
|
989 | |
|
|
990 | =item cf::db_dirty |
|
|
991 | |
|
|
992 | Marks the database as dirty, to be updated at a later time. |
|
|
993 | |
|
|
994 | =item cf::db_sync |
|
|
995 | |
|
|
996 | Immediately write the database to disk I<if it is dirty>. |
|
|
997 | |
|
|
998 | =cut |
|
|
999 | |
|
|
1000 | our $DB; |
|
|
1001 | |
|
|
1002 | { |
|
|
1003 | my $path = cf::localdir . "/database.pst"; |
|
|
1004 | |
|
|
1005 | sub db_load() { |
|
|
1006 | warn "loading database $path\n";#d# remove later |
|
|
1007 | $DB = stat $path ? Storable::retrieve $path : { }; |
|
|
1008 | } |
|
|
1009 | |
|
|
1010 | my $pid; |
|
|
1011 | |
|
|
1012 | sub db_save() { |
|
|
1013 | warn "saving database $path\n";#d# remove later |
|
|
1014 | waitpid $pid, 0 if $pid; |
|
|
1015 | if (0 == ($pid = fork)) { |
|
|
1016 | $DB->{_meta}{version} = 1; |
|
|
1017 | Storable::nstore $DB, "$path~"; |
|
|
1018 | rename "$path~", $path; |
|
|
1019 | cf::_exit 0 if defined $pid; |
|
|
1020 | } |
|
|
1021 | } |
|
|
1022 | |
|
|
1023 | my $dirty; |
|
|
1024 | |
|
|
1025 | sub db_sync() { |
|
|
1026 | db_save if $dirty; |
|
|
1027 | undef $dirty; |
|
|
1028 | } |
|
|
1029 | |
|
|
1030 | my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, cb => sub { |
|
|
1031 | db_sync; |
|
|
1032 | }); |
|
|
1033 | |
|
|
1034 | sub db_dirty() { |
|
|
1035 | $dirty = 1; |
|
|
1036 | $idle->start; |
|
|
1037 | } |
|
|
1038 | |
|
|
1039 | sub db_get($;$) { |
|
|
1040 | @_ >= 2 |
|
|
1041 | ? $DB->{$_[0]}{$_[1]} |
|
|
1042 | : ($DB->{$_[0]} ||= { }) |
|
|
1043 | } |
|
|
1044 | |
|
|
1045 | sub db_put($$;$) { |
|
|
1046 | if (@_ >= 3) { |
|
|
1047 | $DB->{$_[0]}{$_[1]} = $_[2]; |
|
|
1048 | } else { |
|
|
1049 | $DB->{$_[0]} = $_[1]; |
|
|
1050 | } |
|
|
1051 | db_dirty; |
|
|
1052 | } |
|
|
1053 | |
|
|
1054 | attach_global |
|
|
1055 | prio => 10000, |
|
|
1056 | on_cleanup => sub { |
|
|
1057 | db_sync; |
|
|
1058 | }, |
|
|
1059 | ; |
|
|
1060 | } |
|
|
1061 | |
864 | ############################################################################# |
1062 | ############################################################################# |
865 | # the server's main() |
1063 | # the server's main() |
866 | |
1064 | |
|
|
1065 | sub cfg_load { |
|
|
1066 | open my $fh, "<:utf8", cf::confdir . "/config" |
|
|
1067 | or return; |
|
|
1068 | |
|
|
1069 | local $/; |
|
|
1070 | *CFG = YAML::Syck::Load <$fh>; |
|
|
1071 | } |
|
|
1072 | |
867 | sub main { |
1073 | sub main { |
|
|
1074 | cfg_load; |
|
|
1075 | db_load; |
|
|
1076 | load_extensions; |
868 | Event::loop; |
1077 | Event::loop; |
869 | } |
1078 | } |
870 | |
1079 | |
871 | ############################################################################# |
1080 | ############################################################################# |
872 | # initialisation |
1081 | # initialisation |
873 | |
1082 | |
|
|
1083 | sub _perl_reload(&) { |
|
|
1084 | my ($msg) = @_; |
|
|
1085 | |
|
|
1086 | $msg->("reloading..."); |
|
|
1087 | |
|
|
1088 | eval { |
|
|
1089 | # cancel all watchers |
|
|
1090 | $_->cancel for Event::all_watchers; |
|
|
1091 | |
|
|
1092 | # unload all extensions |
|
|
1093 | for (@exts) { |
|
|
1094 | $msg->("unloading <$_>"); |
|
|
1095 | unload_extension $_; |
|
|
1096 | } |
|
|
1097 | |
|
|
1098 | # unload all modules loaded from $LIBDIR |
|
|
1099 | while (my ($k, $v) = each %INC) { |
|
|
1100 | next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; |
|
|
1101 | |
|
|
1102 | $msg->("removing <$k>"); |
|
|
1103 | delete $INC{$k}; |
|
|
1104 | |
|
|
1105 | $k =~ s/\.pm$//; |
|
|
1106 | $k =~ s/\//::/g; |
|
|
1107 | |
|
|
1108 | if (my $cb = $k->can ("unload_module")) { |
|
|
1109 | $cb->(); |
|
|
1110 | } |
|
|
1111 | |
|
|
1112 | Symbol::delete_package $k; |
|
|
1113 | } |
|
|
1114 | |
|
|
1115 | # sync database to disk |
|
|
1116 | cf::db_sync; |
|
|
1117 | |
|
|
1118 | # get rid of safe::, as good as possible |
|
|
1119 | Symbol::delete_package "safe::$_" |
|
|
1120 | for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region); |
|
|
1121 | |
|
|
1122 | # remove register_script_function callbacks |
|
|
1123 | # TODO |
|
|
1124 | |
|
|
1125 | # unload cf.pm "a bit" |
|
|
1126 | delete $INC{"cf.pm"}; |
|
|
1127 | |
|
|
1128 | # don't, removes xs symbols, too, |
|
|
1129 | # and global variables created in xs |
|
|
1130 | #Symbol::delete_package __PACKAGE__; |
|
|
1131 | |
|
|
1132 | # reload cf.pm |
|
|
1133 | $msg->("reloading cf.pm"); |
|
|
1134 | require cf; |
|
|
1135 | |
|
|
1136 | # load config and database again |
|
|
1137 | cf::cfg_load; |
|
|
1138 | cf::db_load; |
|
|
1139 | |
|
|
1140 | # load extensions |
|
|
1141 | $msg->("load extensions"); |
|
|
1142 | cf::load_extensions; |
|
|
1143 | |
|
|
1144 | # reattach attachments to objects |
|
|
1145 | $msg->("reattach"); |
|
|
1146 | _global_reattach; |
|
|
1147 | }; |
|
|
1148 | $msg->($@) if $@; |
|
|
1149 | |
|
|
1150 | $msg->("reloaded"); |
|
|
1151 | }; |
|
|
1152 | |
|
|
1153 | sub perl_reload() { |
|
|
1154 | _perl_reload { |
|
|
1155 | warn $_[0]; |
|
|
1156 | print "$_[0]\n"; |
|
|
1157 | }; |
|
|
1158 | } |
|
|
1159 | |
|
|
1160 | register_command "perl-reload", 0, sub { |
|
|
1161 | my ($who, $arg) = @_; |
|
|
1162 | |
|
|
1163 | if ($who->flag (FLAG_WIZ)) { |
|
|
1164 | _perl_reload { |
|
|
1165 | warn $_[0]; |
|
|
1166 | $who->message ($_[0]); |
|
|
1167 | }; |
|
|
1168 | } |
|
|
1169 | }; |
|
|
1170 | |
874 | register "<global>", __PACKAGE__; |
1171 | register "<global>", __PACKAGE__; |
875 | |
1172 | |
876 | unshift @INC, $LIBDIR; |
1173 | unshift @INC, $LIBDIR; |
877 | |
1174 | |
878 | load_extensions; |
|
|
879 | |
|
|
880 | $TICK_WATCHER = Event->timer ( |
1175 | $TICK_WATCHER = Event->timer ( |
881 | prio => 1, |
1176 | prio => 1, |
|
|
1177 | async => 1, |
882 | at => $NEXT_TICK || 1, |
1178 | at => $NEXT_TICK || 1, |
883 | cb => sub { |
1179 | cb => sub { |
884 | cf::server_tick; # one server iteration |
1180 | cf::server_tick; # one server iteration |
885 | |
1181 | |
886 | my $NOW = Event::time; |
1182 | my $NOW = Event::time; |
887 | $NEXT_TICK += $TICK; |
1183 | $NEXT_TICK += $TICK; |
888 | |
1184 | |
889 | # if we are delayed by four ticks, skip them all |
1185 | # if we are delayed by four ticks or more, skip them all |
890 | $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4; |
1186 | $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4; |
891 | |
1187 | |
892 | $TICK_WATCHER->at ($NEXT_TICK); |
1188 | $TICK_WATCHER->at ($NEXT_TICK); |
893 | $TICK_WATCHER->start; |
1189 | $TICK_WATCHER->start; |
894 | }, |
1190 | }, |
895 | ); |
1191 | ); |
896 | |
1192 | |
897 | _reload_2; |
1193 | IO::AIO::max_poll_time $TICK * 0.2; |
|
|
1194 | |
|
|
1195 | Event->io (fd => IO::AIO::poll_fileno, |
|
|
1196 | poll => 'r', |
|
|
1197 | prio => 5, |
|
|
1198 | cb => \&IO::AIO::poll_cb); |
898 | |
1199 | |
899 | 1 |
1200 | 1 |
900 | |
1201 | |