1 |
package cf; |
2 |
|
3 |
use Symbol; |
4 |
use List::Util; |
5 |
use Storable; |
6 |
use Opcode; |
7 |
use Safe; |
8 |
use Safe::Hole; |
9 |
|
10 |
use Time::HiRes; |
11 |
use Event; |
12 |
$Event::Eval = 1; # no idea why this is required, but it is |
13 |
|
14 |
use strict; |
15 |
|
16 |
our %COMMAND = (); |
17 |
our @EVENT; |
18 |
our @PLUGIN_EVENT; |
19 |
our %PROP_TYPE; |
20 |
our %PROP_IDX; |
21 |
our $LIBDIR = maps_directory "perl"; |
22 |
|
23 |
our $TICK = MAX_TIME * 1e-6; |
24 |
our $TICK_WATCHER; |
25 |
our $NEXT_TICK; |
26 |
|
27 |
BEGIN { |
28 |
@PLUGIN_EVENT = map lc, @PLUGIN_EVENT; |
29 |
|
30 |
*CORE::GLOBAL::warn = sub { |
31 |
my $msg = join "", @_; |
32 |
$msg .= "\n" |
33 |
unless $msg =~ /\n$/; |
34 |
|
35 |
print STDERR "cfperl: $msg"; |
36 |
LOG llevError, "cfperl: $msg"; |
37 |
}; |
38 |
} |
39 |
|
40 |
my %ignore_set = (MAP_PROP_PATH => 1); # I hate the plug-in api. Deeply! |
41 |
|
42 |
# generate property mutators |
43 |
sub prop_gen { |
44 |
my ($prefix, $class) = @_; |
45 |
|
46 |
no strict 'refs'; |
47 |
|
48 |
for my $prop (keys %PROP_TYPE) { |
49 |
$prop =~ /^\Q$prefix\E_(.*$)/ or next; |
50 |
my $sub = lc $1; |
51 |
|
52 |
my $type = $PROP_TYPE{$prop}; |
53 |
my $idx = $PROP_IDX {$prop}; |
54 |
|
55 |
*{"$class\::get_$sub"} = *{"$class\::$sub"} = sub { |
56 |
$_[0]->get_property ($type, $idx) |
57 |
}; |
58 |
|
59 |
*{"$class\::set_$sub"} = sub { |
60 |
$_[0]->set_property ($type, $idx, $_[1]); |
61 |
} unless $ignore_set{$prop}; |
62 |
} |
63 |
} |
64 |
|
65 |
# auto-generate most of the API |
66 |
|
67 |
prop_gen OBJECT_PROP => "cf::object"; |
68 |
# CFAPI_OBJECT_ANIMATION? |
69 |
prop_gen PLAYER_PROP => "cf::object::player"; |
70 |
|
71 |
prop_gen MAP_PROP => "cf::map"; |
72 |
prop_gen ARCH_PROP => "cf::arch"; |
73 |
|
74 |
# guessed hierarchies |
75 |
|
76 |
@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; |
77 |
@safe::cf::object::map::ISA = @cf::object::map::ISA = 'cf::object'; |
78 |
|
79 |
# we bless all objects into (empty) derived classes to force a method lookup |
80 |
# within the Safe compartment. |
81 |
for my $pkg (qw(cf::object cf::object::map cf::object::player cf::player cf::map cf::party cf::region cf::arch)) { |
82 |
no strict 'refs'; |
83 |
@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; |
84 |
} |
85 |
|
86 |
$Event::DIED = sub { |
87 |
warn "error in event callback: @_"; |
88 |
}; |
89 |
|
90 |
my %ext_pkg; |
91 |
my @exts; |
92 |
my @hook; |
93 |
my %command; |
94 |
my %extcmd; |
95 |
|
96 |
############################################################################# |
97 |
# "new" plug-in system |
98 |
|
99 |
=item cf::object::attach ... # NYI |
100 |
|
101 |
=item cf::attach_global ... |
102 |
|
103 |
=item cf::attach_to_type ... |
104 |
|
105 |
=item cf::attach_to_objects ... |
106 |
|
107 |
=item cf::attach_to_players ... |
108 |
|
109 |
=item cf::attach_to_maps ... |
110 |
|
111 |
prio => $number, # lower is earlier |
112 |
on_xxx => \&cb, |
113 |
package => package::, |
114 |
|
115 |
=cut |
116 |
|
117 |
# the following variables are defined in .xs and must not be re-created |
118 |
our @CB_GLOBAL = (); # registry for all global events |
119 |
our @CB_OBJECT = (); |
120 |
our @CB_PLAYER = (); |
121 |
our @CB_TYPE = (); # registry for type (cf-object class) based events |
122 |
our @CB_MAP = (); |
123 |
|
124 |
sub _attach_cb($\%$$$) { |
125 |
my ($registry, $undo, $event, $prio, $cb) = @_; |
126 |
|
127 |
use sort 'stable'; |
128 |
|
129 |
$cb = [$prio, $cb]; |
130 |
|
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@{$registry->[$event]} = sort |
132 |
{ $a->[0] cmp $b->[0] } |
133 |
@{$registry->[$event] || []}, $cb; |
134 |
|
135 |
push @{$undo->{cb}}, [$event, $cb]; |
136 |
} |
137 |
|
138 |
# attach handles attaching event callbacks |
139 |
# the only thing the caller has to do is pass the correct |
140 |
# registry (== where the callback attaches to). |
141 |
sub _attach(\@$\@) { |
142 |
my ($registry, $klass, $arg) = @_; |
143 |
|
144 |
my $prio = 0; |
145 |
|
146 |
my %undo = ( |
147 |
registry => $registry, |
148 |
cb => [], |
149 |
); |
150 |
|
151 |
my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT; |
152 |
|
153 |
while (@$arg) { |
154 |
my $type = shift @$arg; |
155 |
|
156 |
if ($type eq "prio") { |
157 |
$prio = shift @$arg; |
158 |
|
159 |
} elsif ($type eq "package") { |
160 |
my $pkg = shift @$arg; |
161 |
|
162 |
while (my ($name, $id) = each %cb_id) { |
163 |
if (my $cb = $pkg->can ($name)) { |
164 |
_attach_cb $registry, %undo, $id, $prio, $cb; |
165 |
} |
166 |
} |
167 |
|
168 |
} elsif (exists $cb_id{$type}) { |
169 |
_attach_cb $registry, %undo, $cb_id{$type}, $prio, shift @$arg; |
170 |
|
171 |
} elsif (ref $type) { |
172 |
warn "attaching objects not supported, ignoring.\n"; |
173 |
|
174 |
} else { |
175 |
shift @$arg; |
176 |
warn "attach argument '$type' not supported, ignoring.\n"; |
177 |
} |
178 |
} |
179 |
|
180 |
\%undo |
181 |
} |
182 |
|
183 |
sub cf::object::attach { |
184 |
die; |
185 |
} |
186 |
|
187 |
sub attach_global { |
188 |
_attach @CB_GLOBAL, KLASS_GLOBAL, @_ |
189 |
} |
190 |
|
191 |
sub attach_to_type { |
192 |
my $type = shift; |
193 |
_attach @{$CB_TYPE[$type]}, KLASS_OBJECT, @_ |
194 |
} |
195 |
|
196 |
sub attach_to_objects { |
197 |
_attach @CB_OBJECT, KLASS_OBJECT, @_ |
198 |
} |
199 |
|
200 |
sub attach_to_players { |
201 |
_attach @CB_PLAYER, KLASS_PLAYER, @_ |
202 |
} |
203 |
|
204 |
sub attach_to_maps { |
205 |
_attach @CB_MAP, KLASS_MAP, @_ |
206 |
} |
207 |
|
208 |
our $override; |
209 |
|
210 |
sub override() { |
211 |
$override = 1 |
212 |
} |
213 |
|
214 |
sub invoke { |
215 |
my $event = shift; |
216 |
my $callbacks = shift; |
217 |
|
218 |
local $override; |
219 |
|
220 |
for (@$callbacks) { |
221 |
eval { &{$_->[1]} }; |
222 |
|
223 |
if ($@) { |
224 |
warn "$@"; |
225 |
warn "... while processing $EVENT[$event][0] event, skipping processing altogether.\n"; |
226 |
override; |
227 |
} |
228 |
|
229 |
return 1 if $override; |
230 |
} |
231 |
|
232 |
0 |
233 |
} |
234 |
|
235 |
############################################################################# |
236 |
# old plug-in events |
237 |
|
238 |
sub inject_event { |
239 |
my $extension = shift; |
240 |
my $event_code = shift; |
241 |
|
242 |
my $cb = $hook[$event_code]{$extension} |
243 |
or return; |
244 |
|
245 |
&$cb |
246 |
} |
247 |
|
248 |
sub inject_global_event { |
249 |
my $event = shift; |
250 |
|
251 |
my $cb = $hook[$event] |
252 |
or return; |
253 |
|
254 |
List::Util::max map &$_, values %$cb |
255 |
} |
256 |
|
257 |
sub inject_command { |
258 |
my ($name, $obj, $params) = @_; |
259 |
|
260 |
for my $cmd (@{ $command{$name} }) { |
261 |
$cmd->[1]->($obj, $params); |
262 |
} |
263 |
|
264 |
-1 |
265 |
} |
266 |
|
267 |
sub register_command { |
268 |
my ($name, $time, $cb) = @_; |
269 |
|
270 |
my $caller = caller; |
271 |
#warn "registering command '$name/$time' to '$caller'"; |
272 |
|
273 |
push @{ $command{$name} }, [$time, $cb, $caller]; |
274 |
$COMMAND{"$name\000"} = List::Util::max map $_->[0], @{ $command{$name} }; |
275 |
} |
276 |
|
277 |
sub register_extcmd { |
278 |
my ($name, $cb) = @_; |
279 |
|
280 |
my $caller = caller; |
281 |
#warn "registering extcmd '$name' to '$caller'"; |
282 |
|
283 |
$extcmd{$name} = [$cb, $caller]; |
284 |
} |
285 |
|
286 |
sub register { |
287 |
my ($base, $pkg) = @_; |
288 |
|
289 |
for my $idx (0 .. $#PLUGIN_EVENT) { |
290 |
if (my $ref = $pkg->can ("on_$PLUGIN_EVENT[$idx]")) { |
291 |
#warn "registering $PLUGIN_EVENT[$idx] hook to '$pkg'\n"; |
292 |
$hook[$idx]{$base} = $ref; |
293 |
} |
294 |
} |
295 |
} |
296 |
|
297 |
sub load_extension { |
298 |
my ($path) = @_; |
299 |
|
300 |
$path =~ /([^\/\\]+)\.ext$/ or die "$path"; |
301 |
my $base = $1; |
302 |
my $pkg = $1; |
303 |
$pkg =~ s/[^[:word:]]/_/g; |
304 |
$pkg = "ext::$pkg"; |
305 |
|
306 |
warn "loading '$path' into '$pkg'\n"; |
307 |
|
308 |
open my $fh, "<:utf8", $path |
309 |
or die "$path: $!"; |
310 |
|
311 |
my $source = |
312 |
"package $pkg; use strict; use utf8;\n" |
313 |
. "#line 1 \"$path\"\n{\n" |
314 |
. (do { local $/; <$fh> }) |
315 |
. "\n};\n1"; |
316 |
|
317 |
eval $source |
318 |
or die "$path: $@"; |
319 |
|
320 |
push @exts, $pkg; |
321 |
$ext_pkg{$base} = $pkg; |
322 |
|
323 |
# no strict 'refs'; |
324 |
# @{"$pkg\::ISA"} = ext::; |
325 |
|
326 |
register $base, $pkg; |
327 |
} |
328 |
|
329 |
sub unload_extension { |
330 |
my ($pkg) = @_; |
331 |
|
332 |
warn "removing extension $pkg\n"; |
333 |
|
334 |
# remove hooks |
335 |
for my $idx (0 .. $#PLUGIN_EVENT) { |
336 |
delete $hook[$idx]{$pkg}; |
337 |
} |
338 |
|
339 |
# remove commands |
340 |
for my $name (keys %command) { |
341 |
my @cb = grep $_->[2] ne $pkg, @{ $command{$name} }; |
342 |
|
343 |
if (@cb) { |
344 |
$command{$name} = \@cb; |
345 |
$COMMAND{"$name\000"} = List::Util::max map $_->[0], @cb; |
346 |
} else { |
347 |
delete $command{$name}; |
348 |
delete $COMMAND{"$name\000"}; |
349 |
} |
350 |
} |
351 |
|
352 |
# remove extcmds |
353 |
for my $name (grep $extcmd{$_}[1] eq $pkg, keys %extcmd) { |
354 |
delete $extcmd{$name}; |
355 |
} |
356 |
|
357 |
if (my $cb = $pkg->can ("unload")) { |
358 |
eval { |
359 |
$cb->($pkg); |
360 |
1 |
361 |
} or warn "$pkg unloaded, but with errors: $@"; |
362 |
} |
363 |
|
364 |
Symbol::delete_package $pkg; |
365 |
} |
366 |
|
367 |
sub load_extensions { |
368 |
my $LIBDIR = maps_directory "perl"; |
369 |
|
370 |
for my $ext (<$LIBDIR/*.ext>) { |
371 |
next unless -r $ext; |
372 |
eval { |
373 |
load_extension $ext; |
374 |
1 |
375 |
} or warn "$ext not loaded: $@"; |
376 |
} |
377 |
} |
378 |
|
379 |
sub _perl_reload(&) { |
380 |
my ($msg) = @_; |
381 |
|
382 |
$msg->("reloading..."); |
383 |
|
384 |
eval { |
385 |
# 1. cancel all watchers |
386 |
$_->cancel for Event::all_watchers; |
387 |
|
388 |
# 2. unload all extensions |
389 |
for (@exts) { |
390 |
$msg->("unloading <$_>"); |
391 |
unload_extension $_; |
392 |
} |
393 |
|
394 |
# 3. unload all modules loaded from $LIBDIR |
395 |
while (my ($k, $v) = each %INC) { |
396 |
next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; |
397 |
|
398 |
$msg->("removing <$k>"); |
399 |
delete $INC{$k}; |
400 |
|
401 |
$k =~ s/\.pm$//; |
402 |
$k =~ s/\//::/g; |
403 |
|
404 |
if (my $cb = $k->can ("unload_module")) { |
405 |
$cb->(); |
406 |
} |
407 |
|
408 |
Symbol::delete_package $k; |
409 |
} |
410 |
|
411 |
# 4. get rid of safe::, as good as possible |
412 |
Symbol::delete_package "safe::$_" |
413 |
for qw(cf::object cf::object::map cf::object::player cf::player cf::map cf::party cf::region); |
414 |
|
415 |
# 5. remove register_script_function callbacks |
416 |
# TODO |
417 |
|
418 |
# 6. unload cf.pm "a bit" |
419 |
delete $INC{"cf.pm"}; |
420 |
|
421 |
# don't, removes xs symbols, too, |
422 |
# and global variables created in xs |
423 |
#Symbol::delete_package __PACKAGE__; |
424 |
|
425 |
# 7. reload cf.pm |
426 |
$msg->("reloading cf.pm"); |
427 |
require cf; |
428 |
}; |
429 |
$msg->($@) if $@; |
430 |
|
431 |
$msg->("reloaded"); |
432 |
}; |
433 |
|
434 |
sub perl_reload() { |
435 |
_perl_reload { |
436 |
warn $_[0]; |
437 |
print "$_[0]\n"; |
438 |
}; |
439 |
} |
440 |
|
441 |
register_command "perl-reload", 0, sub { |
442 |
my ($who, $arg) = @_; |
443 |
|
444 |
if ($who->flag (FLAG_WIZ)) { |
445 |
_perl_reload { |
446 |
warn $_[0]; |
447 |
$who->message ($_[0]); |
448 |
}; |
449 |
} |
450 |
}; |
451 |
|
452 |
############################################################################# |
453 |
# utility functions |
454 |
|
455 |
use JSON::Syck (); # TODO# replace by JSON::PC once working |
456 |
|
457 |
sub from_json($) { |
458 |
$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs |
459 |
JSON::Syck::Load $_[0] |
460 |
} |
461 |
|
462 |
sub to_json($) { |
463 |
$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs |
464 |
JSON::Syck::Dump $_[0] |
465 |
} |
466 |
|
467 |
############################################################################# |
468 |
# extcmd framework, basically convert ext <msg> |
469 |
# into pkg::->on_extcmd_arg1 (...) while shortcutting a few |
470 |
|
471 |
attach_global |
472 |
on_extcmd => sub { |
473 |
my ($pl, $buf) = @_; |
474 |
|
475 |
my $msg = eval { from_json $buf }; |
476 |
|
477 |
if (ref $msg) { |
478 |
if (my $cb = $extcmd{$msg->{msgtype}}) { |
479 |
if (my %reply = $cb->[0]->($pl, $msg)) { |
480 |
$pl->ext_reply ($msg->{msgid}, %reply); |
481 |
} |
482 |
} |
483 |
} else { |
484 |
warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; |
485 |
} |
486 |
|
487 |
cf::override; |
488 |
}, |
489 |
; |
490 |
|
491 |
############################################################################# |
492 |
# load/save/clean perl data associated with a map |
493 |
|
494 |
*cf::mapsupport::on_clean = sub { |
495 |
my ($map) = @_; |
496 |
|
497 |
my $path = $map->tmpname; |
498 |
defined $path or return; |
499 |
|
500 |
unlink "$path.cfperl"; |
501 |
}; |
502 |
|
503 |
*cf::mapsupport::on_swapin = |
504 |
*cf::mapsupport::on_load = sub { |
505 |
my ($map) = @_; |
506 |
|
507 |
my $path = $map->tmpname; |
508 |
$path = $map->path unless defined $path; |
509 |
|
510 |
open my $fh, "<:raw", "$path.cfperl" |
511 |
or return; # no perl data |
512 |
|
513 |
my $data = Storable::thaw do { local $/; <$fh> }; |
514 |
|
515 |
$data->{version} <= 1 |
516 |
or return; # too new |
517 |
|
518 |
$map->_set_obs ($data->{obs}); |
519 |
}; |
520 |
|
521 |
*cf::mapsupport::on_swapout = sub { |
522 |
my ($map) = @_; |
523 |
|
524 |
my $path = $map->tmpname; |
525 |
$path = $map->path unless defined $path; |
526 |
|
527 |
my $obs = $map->_get_obs; |
528 |
|
529 |
if (defined $obs) { |
530 |
open my $fh, ">:raw", "$path.cfperl" |
531 |
or die "$path.cfperl: $!"; |
532 |
|
533 |
stat $path; |
534 |
|
535 |
print $fh Storable::nfreeze { |
536 |
size => (stat _)[7], |
537 |
time => (stat _)[9], |
538 |
version => 1, |
539 |
obs => $obs, |
540 |
}; |
541 |
|
542 |
chmod SAVE_MODE, "$path.cfperl"; # very racy, but cf-compatible *g* |
543 |
} else { |
544 |
unlink "$path.cfperl"; |
545 |
} |
546 |
}; |
547 |
|
548 |
attach_to_maps prio => -10000, package => cf::mapsupport::; |
549 |
|
550 |
############################################################################# |
551 |
# load/save perl data associated with player->ob objects |
552 |
|
553 |
sub all_objects(@) { |
554 |
@_, map all_objects ($_->inv), @_ |
555 |
} |
556 |
|
557 |
attach_to_players |
558 |
on_load => sub { |
559 |
my ($pl, $path) = @_; |
560 |
|
561 |
for my $o (all_objects $pl->ob) { |
562 |
if (my $value = $o->get_ob_key_value ("_perl_data")) { |
563 |
$o->set_ob_key_value ("_perl_data"); |
564 |
|
565 |
%$o = %{ Storable::thaw pack "H*", $value }; |
566 |
} |
567 |
} |
568 |
}, |
569 |
on_save => sub { |
570 |
my ($pl, $path) = @_; |
571 |
|
572 |
$_->set_ob_key_value (_perl_data => unpack "H*", Storable::nfreeze $_) |
573 |
for grep %$_, all_objects $pl->ob; |
574 |
}, |
575 |
; |
576 |
|
577 |
############################################################################# |
578 |
# core extensions - in perl |
579 |
|
580 |
=item cf::player::exists $login |
581 |
|
582 |
Returns true when the given account exists. |
583 |
|
584 |
=cut |
585 |
|
586 |
sub cf::player::exists($) { |
587 |
cf::player::find $_[0] |
588 |
or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; |
589 |
} |
590 |
|
591 |
=item $player->reply ($npc, $msg[, $flags]) |
592 |
|
593 |
Sends a message to the player, as if the npc C<$npc> replied. C<$npc> |
594 |
can be C<undef>. Does the right thing when the player is currently in a |
595 |
dialogue with the given NPC character. |
596 |
|
597 |
=cut |
598 |
|
599 |
# rough implementation of a future "reply" method that works |
600 |
# with dialog boxes. |
601 |
sub cf::object::player::reply($$$;$) { |
602 |
my ($self, $npc, $msg, $flags) = @_; |
603 |
|
604 |
$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; |
605 |
|
606 |
if ($self->{record_replies}) { |
607 |
push @{ $self->{record_replies} }, [$npc, $msg, $flags]; |
608 |
} else { |
609 |
$msg = $npc->name . " says: $msg" if $npc; |
610 |
$self->message ($msg, $flags); |
611 |
} |
612 |
} |
613 |
|
614 |
=item $player->ext_reply ($msgid, $msgtype, %msg) |
615 |
|
616 |
Sends an ext reply to the player. |
617 |
|
618 |
=cut |
619 |
|
620 |
sub cf::player::ext_reply($$$%) { |
621 |
my ($self, $id, %msg) = @_; |
622 |
|
623 |
$msg{msgid} = $id; |
624 |
|
625 |
$self->send ("ext " . to_json \%msg); |
626 |
} |
627 |
|
628 |
############################################################################# |
629 |
# map scripting support |
630 |
|
631 |
our $safe = new Safe "safe"; |
632 |
our $safe_hole = new Safe::Hole; |
633 |
|
634 |
$SIG{FPE} = 'IGNORE'; |
635 |
|
636 |
$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); |
637 |
|
638 |
# here we export the classes and methods available to script code |
639 |
|
640 |
for ( |
641 |
["cf::object" => qw(contr pay_amount pay_player)], |
642 |
["cf::object::player" => qw(player)], |
643 |
["cf::player" => qw(peaceful)], |
644 |
) { |
645 |
no strict 'refs'; |
646 |
my ($pkg, @funs) = @$_; |
647 |
*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) |
648 |
for @funs; |
649 |
} |
650 |
|
651 |
sub safe_eval($;@) { |
652 |
my ($code, %vars) = @_; |
653 |
|
654 |
my $qcode = $code; |
655 |
$qcode =~ s/"/‟/g; # not allowed in #line filenames |
656 |
$qcode =~ s/\n/\\n/g; |
657 |
|
658 |
local $_; |
659 |
local @safe::cf::_safe_eval_args = values %vars; |
660 |
|
661 |
my $eval = |
662 |
"do {\n" |
663 |
. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" |
664 |
. "#line 0 \"{$qcode}\"\n" |
665 |
. $code |
666 |
. "\n}" |
667 |
; |
668 |
|
669 |
sub_generation_inc; |
670 |
my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); |
671 |
sub_generation_inc; |
672 |
|
673 |
if ($@) { |
674 |
warn "$@"; |
675 |
warn "while executing safe code '$code'\n"; |
676 |
warn "with arguments " . (join " ", %vars) . "\n"; |
677 |
} |
678 |
|
679 |
wantarray ? @res : $res[0] |
680 |
} |
681 |
|
682 |
sub register_script_function { |
683 |
my ($fun, $cb) = @_; |
684 |
|
685 |
no strict 'refs'; |
686 |
*{"safe::$fun"} = $safe_hole->wrap ($cb); |
687 |
} |
688 |
|
689 |
############################################################################# |
690 |
# the server's main() |
691 |
|
692 |
sub main { |
693 |
Event::loop; |
694 |
} |
695 |
|
696 |
############################################################################# |
697 |
# initialisation |
698 |
|
699 |
register "<global>", __PACKAGE__; |
700 |
|
701 |
unshift @INC, $LIBDIR; |
702 |
|
703 |
load_extensions; |
704 |
|
705 |
$TICK_WATCHER = Event->timer ( |
706 |
prio => 1, |
707 |
at => $NEXT_TICK || 1, |
708 |
cb => sub { |
709 |
cf::server_tick; # one server iteration |
710 |
|
711 |
my $NOW = Event::time; |
712 |
$NEXT_TICK += $TICK; |
713 |
|
714 |
# if we are delayed by four ticks, skip them all |
715 |
$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4; |
716 |
|
717 |
$TICK_WATCHER->at ($NEXT_TICK); |
718 |
$TICK_WATCHER->start; |
719 |
}, |
720 |
); |
721 |
|
722 |
1 |
723 |
|