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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.92 by root, Thu Dec 21 06:42:28 2006 UTC vs.
Revision 1.106 by root, Sun Dec 31 17:29:22 2006 UTC

1	package cf;	1	package cf;
		2
		3	use utf8;
		4	use strict;
2		5
3	use Symbol;	6	use Symbol;
4	use List::Util;	7	use List::Util;
5	use Storable;	8	use Storable;
6	use Opcode;	9	use Opcode;
7	use Safe;	10	use Safe;
8	use Safe::Hole;	11	use Safe::Hole;
9		12
		13	use Coro 3.3;
		14	use Coro::Event;
		15	use Coro::Timer;
		16	use Coro::Signal;
		17	use Coro::Semaphore;
		18	use Coro::AIO;
		19
		20	use Fcntl;
10	use IO::AIO ();	21	use IO::AIO 2.31 ();
11	use YAML::Syck ();	22	use YAML::Syck ();
12	use Time::HiRes;	23	use Time::HiRes;
13	use Event;	24
14	$Event::Eval = 1; # no idea why this is required, but it is	25	use Event; $Event::Eval = 1; # no idea why this is required, but it is
15		26
16	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	27	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
17	$YAML::Syck::ImplicitUnicode = 1;	28	$YAML::Syck::ImplicitUnicode = 1;
18		29
19	use strict;	30	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority
20		31
21	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	32	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
22		33
23	our %COMMAND = ();	34	our %COMMAND = ();
24	our %COMMAND_TIME = ();	35	our %COMMAND_TIME = ();
25	our %EXTCMD = ();	36	our %EXTCMD = ();
26		37
27	_init_vars;
28
29	our @EVENT;	38	our @EVENT;
30	our $LIBDIR = datadir . "/ext";	39	our $LIBDIR = datadir . "/ext";
31		40
32	our $TICK = MAX_TIME * 1e-6;	41	our $TICK = MAX_TIME * 1e-6;
33	our $TICK_WATCHER;	42	our $TICK_WATCHER;
34	our $NEXT_TICK;	43	our $NEXT_TICK;
		44	our $NOW;
35		45
36	our %CFG;	46	our %CFG;
37		47
38	our $UPTIME; $UPTIME ||= time;	48	our $UPTIME; $UPTIME ||= time;
		49	our $RUNTIME;
		50
		51	our %MAP; # all maps
		52	our $LINK_MAP; # the special {link} map
		53	our $FREEZE;
		54
		55	binmode STDOUT;
		56	binmode STDERR;
		57
		58	# read virtual server time, if available
		59	unless ($RUNTIME || !-e cf::localdir . "/runtime") {
		60	open my $fh, "<", cf::localdir . "/runtime"
		61	or die "unable to read runtime file: $!";
		62	$RUNTIME = <$fh> + 0.;
		63	}
		64
		65	mkdir cf::localdir;
		66	mkdir cf::localdir . "/" . cf::playerdir;
		67	mkdir cf::localdir . "/" . cf::tmpdir;
		68	mkdir cf::localdir . "/" . cf::uniquedir;
		69
		70	our %EXT_CORO;
39		71
40	#############################################################################	72	#############################################################################
41		73
42	=head2 GLOBAL VARIABLES	74	=head2 GLOBAL VARIABLES
43		75
44	=over 4	76	=over 4
45		77
46	=item $cf::UPTIME	78	=item $cf::UPTIME
47		79
48	The timestamp of the server start (so not actually an uptime).	80	The timestamp of the server start (so not actually an uptime).
		81
		82	=item $cf::RUNTIME
		83
		84	The time this server has run, starts at 0 and is increased by $cf::TICK on
		85	every server tick.
49		86
50	=item $cf::LIBDIR	87	=item $cf::LIBDIR
51		88
52	The perl library directory, where extensions and cf-specific modules can	89	The perl library directory, where extensions and cf-specific modules can
53	be found. It will be added to C<@INC> automatically.	90	be found. It will be added to C<@INC> automatically.
		91
		92	=item $cf::NOW
		93
		94	The time of the last (current) server tick.
54		95
55	=item $cf::TICK	96	=item $cf::TICK
56		97
57	The interval between server ticks, in seconds.	98	The interval between server ticks, in seconds.
58		99
…		…
66	=cut	107	=cut
67		108
68	BEGIN {	109	BEGIN {
69	*CORE::GLOBAL::warn = sub {	110	*CORE::GLOBAL::warn = sub {
70	my $msg = join "", @_;	111	my $msg = join "", @_;
		112	utf8::encode $msg;
		113
71	$msg .= "\n"	114	$msg .= "\n"
72	unless $msg =~ /\n$/;	115	unless $msg =~ /\n$/;
73		116
74	print STDERR "cfperl: $msg";
75	LOG llevError, "cfperl: $msg";	117	LOG llevError, "cfperl: $msg";
76	};	118	};
77	}	119	}
78		120
		121	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
		122	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
		123	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
		124	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
		125	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
79	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	126	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';
80		127
81	# we bless all objects into (empty) derived classes to force a method lookup	128	# we bless all objects into (empty) derived classes to force a method lookup
82	# within the Safe compartment.	129	# within the Safe compartment.
83	for my $pkg (qw(	130	for my $pkg (qw(
		131	cf::global cf::attachable
84	cf::object cf::object::player	132	cf::object cf::object::player
85	cf::client cf::player	133	cf::client cf::player
86	cf::arch cf::living	134	cf::arch cf::living
87	cf::map cf::party cf::region	135	cf::map cf::party cf::region
88	)) {	136	)) {
…		…
126	sub to_json($) {	174	sub to_json($) {
127	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	175	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
128	JSON::Syck::Dump $_[0]	176	JSON::Syck::Dump $_[0]
129	}	177	}
130		178
		179	=item cf::sync_job { BLOCK }
		180
		181	The design of crossfire+ requires that the main coro ($Coro::main) is
		182	always able to handle events or runnable, as crossfire+ is only partly
		183	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.
		184
		185	If it must be done, put the blocking parts into C<sync_job>. This will run
		186	the given BLOCK in another coroutine while waiting for the result. The
		187	server will be frozen during this time, so the block should either finish
		188	fast or be very important.
		189
		190	=cut
		191
		192	sub sync_job(&) {
		193	my ($job) = @_;
		194
		195	my $busy = 1;
		196	my @res;
		197
		198	# TODO: use suspend/resume instead
		199	local $FREEZE = 1;
		200
		201	my $coro = Coro::async {
		202	@res = eval { $job->() };
		203	warn $@ if $@;
		204	undef $busy;
		205	};
		206
		207	if ($Coro::current == $Coro::main) {
		208	$coro->prio (Coro::PRIO_MAX);
		209	while ($busy) {
		210	Coro::cede_notself;
		211	Event::one_event unless Coro::nready;
		212	}
		213	} else {
		214	$coro->join;
		215	}
		216
		217	wantarray ? @res : $res[0]
		218	}
		219
		220	=item $coro = cf::coro { BLOCK }
		221
		222	Creates and returns a new coro. This coro is automcatially being canceled
		223	when the extension calling this is being unloaded.
		224
		225	=cut
		226
		227	sub coro(&) {
		228	my $cb = shift;
		229
		230	my $coro; $coro = async {
		231	eval {
		232	$cb->();
		233	};
		234	warn $@ if $@;
		235	};
		236
		237	$coro->on_destroy (sub {
		238	delete $EXT_CORO{$coro+0};
		239	});
		240	$EXT_CORO{$coro+0} = $coro;
		241
		242	$coro
		243	}
		244
131	=back	245	=back
132		246
133	=cut	247	=cut
134		248
135	#############################################################################	249	#############################################################################
136		250
137	=head2 EVENTS AND OBJECT ATTACHMENTS	251	=head2 ATTACHABLE OBJECTS
		252
		253	Many objects in crossfire are so-called attachable objects. That means you can
		254	attach callbacks/event handlers (a collection of which is called an "attachment")
		255	to it. All such attachable objects support the following methods.
		256
		257	In the following description, CLASS can be any of C<global>, C<object>
		258	C<player>, C<client> or C<map> (i.e. the attachable objects in
		259	crossfire+).
138		260
139	=over 4	261	=over 4
140		262
141	=item $object->attach ($attachment, key => $value...)
142
143	=item $object->detach ($attachment)
144
145	Attach/detach a pre-registered attachment to an object.
146
147	=item $player->attach ($attachment, key => $value...)
148
149	=item $player->detach ($attachment)
150
151	Attach/detach a pre-registered attachment to a player.
152
153	=item $map->attach ($attachment, key => $value...)
154
155	=item $map->detach ($attachment)
156
157	Attach/detach a pre-registered attachment to a client.
158
159	=item $client->attach ($attachment, key => $value...)	263	=item $attachable->attach ($attachment, key => $value...)
160		264
161	=item $client->detach ($attachment)	265	=item $attachable->detach ($attachment)
162		266
163	Attach/detach a pre-registered attachment to a map.	267	Attach/detach a pre-registered attachment to a specific object and give it
		268	the specified key/value pairs as arguments.
164		269
165	=item $bool = $object->attached ($name)	270	Example, attach a minesweeper attachment to the given object, making it a
		271	10x10 minesweeper game:
166		272
167	=item $bool = $player->attached ($name)	273	$obj->attach (minesweeper => width => 10, height => 10);
168		274
169	=item $bool = $client->attached ($name)	275	=item $bool = $attachable->attached ($name)
170
171	=item $bool = $map->attached ($name)
172		276
173	Checks wether the named attachment is currently attached to the object.	277	Checks wether the named attachment is currently attached to the object.
174		278
175	=item cf::attach_global ...	279	=item cf::CLASS->attach ...
176		280
177	Attach handlers for global events.	281	=item cf::CLASS->detach ...
178		282
179	This and all following C<attach_*>-functions expect any number of the	283	Define an anonymous attachment and attach it to all objects of the given
180	following handler/hook descriptions:	284	CLASS. See the next function for an explanation of its arguments.
		285
		286	You can attach to global events by using the C<cf::global> class.
		287
		288	Example, log all player logins:
		289
		290	cf::player->attach (
		291	on_login => sub {
		292	my ($pl) = @_;
		293	...
		294	},
		295	);
		296
		297	Example, attach to the jeweler skill:
		298
		299	cf::object->attach (
		300	type => cf::SKILL,
		301	subtype => cf::SK_JEWELER,
		302	on_use_skill => sub {
		303	my ($sk, $ob, $part, $dir, $msg) = @_;
		304	...
		305	},
		306	);
		307
		308	=item cf::CLASS::attachment $name, ...
		309
		310	Register an attachment by C<$name> through which attachable objects of the
		311	given CLASS can refer to this attachment.
		312
		313	Some classes such as crossfire maps and objects can specify attachments
		314	that are attached at load/instantiate time, thus the need for a name.
		315
		316	These calls expect any number of the following handler/hook descriptions:
181		317
182	=over 4	318	=over 4
183		319
184	=item prio => $number	320	=item prio => $number
185		321
…		…
187	by another C<prio> setting). Lower priority handlers get executed	323	by another C<prio> setting). Lower priority handlers get executed
188	earlier. The default priority is C<0>, and many built-in handlers are	324	earlier. The default priority is C<0>, and many built-in handlers are
189	registered at priority C<-1000>, so lower priorities should not be used	325	registered at priority C<-1000>, so lower priorities should not be used
190	unless you know what you are doing.	326	unless you know what you are doing.
191		327
		328	=item type => $type
		329
		330	(Only for C<< cf::object->attach >> calls), limits the attachment to the
		331	given type of objects only (the additional parameter C<subtype> can be
		332	used to further limit to the given subtype).
		333
192	=item on_I<event> => \&cb	334	=item on_I<event> => \&cb
193		335
194	Call the given code reference whenever the named event happens (event is	336	Call the given code reference whenever the named event happens (event is
195	something like C<instantiate>, C<apply>, C<use_skill> and so on, and which	337	something like C<instantiate>, C<apply>, C<use_skill> and so on, and which
196	handlers are recognised generally depends on the type of object these	338	handlers are recognised generally depends on the type of object these
…		…
205	package and register them. Only handlers for eevents supported by the	347	package and register them. Only handlers for eevents supported by the
206	object/class are recognised.	348	object/class are recognised.
207		349
208	=back	350	=back
209		351
210	=item cf::attach_to_type $object_type, $subtype, ...	352	Example, define an attachment called "sockpuppet" that calls the given
		353	event handler when a monster attacks:
211		354
212	Attach handlers for a specific object type (e.g. TRANSPORT) and	355	cf::object::attachment sockpuppet =>
213	subtype. If C<$subtype> is zero or undef, matches all objects of the given	356	on_skill_attack => sub {
214	type.	357	my ($self, $victim) = @_;
215		358	...
216	=item cf::attach_to_objects ...
217
218	Attach handlers to all objects. Do not use this except for debugging or
219	very rare events, as handlers are (obviously) called for I<all> objects in
220	the game.
221
222	=item cf::attach_to_players ...
223
224	Attach handlers to all players.
225
226	=item cf::attach_to_clients ...
227
228	Attach handlers to all players.
229
230	=item cf::attach_to_maps ...
231
232	Attach handlers to all maps.
233
234	=item cf:register_attachment $name, ...
235
236	Register an attachment by name through which objects can refer to this
237	attachment.
238
239	=item cf:register_player_attachment $name, ...
240
241	Register an attachment by name through which players can refer to this
242	attachment.
243
244	=item cf:register_map_attachment $name, ...
245
246	Register an attachment by name through which maps can refer to this
247	attachment.
248
249	=cut
250
251	# the following variables are defined in .xs and must not be re-created
252	our @CB_GLOBAL = (); # registry for all global events
253	our @CB_OBJECT = (); # all objects (should not be used except in emergency)
254	our @CB_PLAYER = ();
255	our @CB_CLIENT = ();
256	our @CB_TYPE = (); # registry for type (cf-object class) based events
257	our @CB_MAP = ();
258
259	my %attachment;
260
261	sub _attach_cb($\%$$$) {
262	my ($registry, $undo, $event, $prio, $cb) = @_;
263
264	use sort 'stable';
265
266	$cb = [$prio, $cb];
267
268	@{$registry->[$event]} = sort
269	{ $a->[0] cmp $b->[0] }
270	@{$registry->[$event] || []}, $cb;
271
272	push @{$undo->{cb}}, [$event, $cb];
273	}
274
275	# attach handles attaching event callbacks
276	# the only thing the caller has to do is pass the correct
277	# registry (== where the callback attaches to).
278	sub _attach(\@$@) {
279	my ($registry, $klass, @arg) = @_;
280
281	my $prio = 0;
282
283	my %undo = (
284	registry => $registry,
285	cb => [],
286	);
287
288	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;
289
290	while (@arg) {
291	my $type = shift @arg;
292
293	if ($type eq "prio") {
294	$prio = shift @arg;
295
296	} elsif ($type eq "package") {
297	my $pkg = shift @arg;
298
299	while (my ($name, $id) = each %cb_id) {
300	if (my $cb = $pkg->can ($name)) {
301	_attach_cb $registry, %undo, $id, $prio, $cb;
302	}
303	}	359	}
304
305	} elsif (exists $cb_id{$type}) {
306	_attach_cb $registry, %undo, $cb_id{$type}, $prio, shift @arg;
307
308	} elsif (ref $type) {
309	warn "attaching objects not supported, ignoring.\n";
310
311	} else {
312	shift @arg;
313	warn "attach argument '$type' not supported, ignoring.\n";
314	}
315	}
316
317	\%undo
318	}
319
320	sub _attach_attachment {
321	my ($obj, $name, %arg) = @_;
322
323	return if exists $obj->{_attachment}{$name};
324
325	my $res;
326
327	if (my $attach = $attachment{$name}) {
328	my $registry = $obj->registry;
329
330	for (@$attach) {
331	my ($klass, @attach) = @$_;
332	$res = _attach @$registry, $klass, @attach;
333	}
334
335	$obj->{$name} = \%arg;
336	} else {
337	warn "object uses attachment '$name' that is not available, postponing.\n";
338	}
339
340	$obj->{_attachment}{$name} = undef;
341
342	$res->{attachment} = $name;
343	$res
344	}
345
346	*cf::object::attach =
347	*cf::player::attach =
348	*cf::client::attach =
349	*cf::map::attach = sub {
350	my ($obj, $name, %arg) = @_;
351
352	_attach_attachment $obj, $name, %arg;
353	};
354
355	# all those should be optimised
356	*cf::object::detach =
357	*cf::player::detach =
358	*cf::client::detach =
359	*cf::map::detach = sub {
360	my ($obj, $name) = @_;
361
362	delete $obj->{_attachment}{$name};
363	reattach ($obj);
364	};
365
366	*cf::object::attached =
367	*cf::player::attached =
368	*cf::client::attached =
369	*cf::map::attached = sub {
370	my ($obj, $name) = @_;
371
372	exists $obj->{_attachment}{$name}
373	};
374
375	sub attach_global {
376	_attach @CB_GLOBAL, KLASS_GLOBAL, @_
377	}
378
379	sub attach_to_type {
380	my $type = shift;
381	my $subtype = shift;
382
383	_attach @{$CB_TYPE[$type + $subtype * NUM_SUBTYPES]}, KLASS_OBJECT, @_
384	}
385
386	sub attach_to_objects {
387	_attach @CB_OBJECT, KLASS_OBJECT, @_
388	}
389
390	sub attach_to_players {
391	_attach @CB_PLAYER, KLASS_PLAYER, @_
392	}
393
394	sub attach_to_clients {
395	_attach @CB_CLIENT, KLASS_CLIENT, @_
396	}
397
398	sub attach_to_maps {
399	_attach @CB_MAP, KLASS_MAP, @_
400	}
401
402	sub register_attachment {
403	my $name = shift;
404
405	$attachment{$name} = [[KLASS_OBJECT, @_]];
406	}
407
408	sub register_player_attachment {
409	my $name = shift;
410
411	$attachment{$name} = [[KLASS_PLAYER, @_]];
412	}
413
414	sub register_client_attachment {
415	my $name = shift;
416
417	$attachment{$name} = [[KLASS_CLIENT, @_]];
418	}
419
420	sub register_map_attachment {
421	my $name = shift;
422
423	$attachment{$name} = [[KLASS_MAP, @_]];
424	}
425
426	our $override;
427	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
428
429	sub override {
430	$override = 1;
431	@invoke_results = ();
432	}
433
434	sub do_invoke {
435	my $event = shift;
436	my $callbacks = shift;
437
438	@invoke_results = ();
439
440	local $override;
441
442	for (@$callbacks) {
443	eval { &{$_->[1]} };
444
445	if ($@) {
446	warn "$@";
447	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
448	override;
449	}
450
451	return 1 if $override;
452	}
453
454	0	360	}
455	}
456		361
457	=item $bool = cf::invoke EVENT_GLOBAL_XXX, ...	362	=item $attachable->valid
458
459	=item $bool = $object->invoke (EVENT_OBJECT_XXX, ...)
460
461	=item $bool = $player->invoke (EVENT_PLAYER_XXX, ...)
462
463	=item $bool = $client->invoke (EVENT_CLIENT_XXX, ...)
464
465	=item $bool = $map->invoke (EVENT_MAP_XXX, ...)
466
467	Generate a global/object/player/map-specific event with the given arguments.
468
469	This API is preliminary (most likely, the EVENT_KLASS_xxx prefix will be
470	removed in future versions), and there is no public API to access override
471	results (if you must, access C<@cf::invoke_results> directly).
472
473	=back
474
475	=cut
476
477	#############################################################################
478
479	=head2 METHODS VALID FOR ALL CORE OBJECTS
480
481	=over 4
482
483	=item $object->valid, $player->valid, $client->valid, $map->valid
484		363
485	Just because you have a perl object does not mean that the corresponding	364	Just because you have a perl object does not mean that the corresponding
486	C-level object still exists. If you try to access an object that has no	365	C-level object still exists. If you try to access an object that has no
487	valid C counterpart anymore you get an exception at runtime. This method	366	valid C counterpart anymore you get an exception at runtime. This method
488	can be used to test for existence of the C object part without causing an	367	can be used to test for existence of the C object part without causing an
489	exception.	368	exception.
490		369
		370	=cut
		371
		372	# the following variables are defined in .xs and must not be re-created
		373	our @CB_GLOBAL = (); # registry for all global events
		374	our @CB_ATTACHABLE = (); # registry for all attachables
		375	our @CB_OBJECT = (); # all objects (should not be used except in emergency)
		376	our @CB_PLAYER = ();
		377	our @CB_CLIENT = ();
		378	our @CB_TYPE = (); # registry for type (cf-object class) based events
		379	our @CB_MAP = ();
		380
		381	my %attachment;
		382
		383	sub _attach_cb($$$$) {
		384	my ($registry, $event, $prio, $cb) = @_;
		385
		386	use sort 'stable';
		387
		388	$cb = [$prio, $cb];
		389
		390	@{$registry->[$event]} = sort
		391	{ $a->[0] cmp $b->[0] }
		392	@{$registry->[$event] || []}, $cb;
		393	}
		394
		395	# hack
		396	my %attachable_klass = map +($_ => 1), KLASS_OBJECT, KLASS_CLIENT, KLASS_PLAYER, KLASS_MAP;
		397
		398	# attach handles attaching event callbacks
		399	# the only thing the caller has to do is pass the correct
		400	# registry (== where the callback attaches to).
		401	sub _attach {
		402	my ($registry, $klass, @arg) = @_;
		403
		404	my $object_type;
		405	my $prio = 0;
		406	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;
		407
		408	#TODO: get rid of this hack
		409	if ($attachable_klass{$klass}) {
		410	%cb_id = (%cb_id, map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == KLASS_ATTACHABLE, 0 .. $#EVENT);
		411	}
		412
		413	while (@arg) {
		414	my $type = shift @arg;
		415
		416	if ($type eq "prio") {
		417	$prio = shift @arg;
		418
		419	} elsif ($type eq "type") {
		420	$object_type = shift @arg;
		421	$registry = $CB_TYPE[$object_type] ||= [];
		422
		423	} elsif ($type eq "subtype") {
		424	defined $object_type or Carp::croak "subtype specified without type";
		425	my $object_subtype = shift @arg;
		426	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];
		427
		428	} elsif ($type eq "package") {
		429	my $pkg = shift @arg;
		430
		431	while (my ($name, $id) = each %cb_id) {
		432	if (my $cb = $pkg->can ($name)) {
		433	_attach_cb $registry, $id, $prio, $cb;
		434	}
		435	}
		436
		437	} elsif (exists $cb_id{$type}) {
		438	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
		439
		440	} elsif (ref $type) {
		441	warn "attaching objects not supported, ignoring.\n";
		442
		443	} else {
		444	shift @arg;
		445	warn "attach argument '$type' not supported, ignoring.\n";
		446	}
		447	}
		448	}
		449
		450	sub _object_attach {
		451	my ($obj, $name, %arg) = @_;
		452
		453	return if exists $obj->{_attachment}{$name};
		454
		455	if (my $attach = $attachment{$name}) {
		456	my $registry = $obj->registry;
		457
		458	for (@$attach) {
		459	my ($klass, @attach) = @$_;
		460	_attach $registry, $klass, @attach;
		461	}
		462
		463	$obj->{$name} = \%arg;
		464	} else {
		465	warn "object uses attachment '$name' that is not available, postponing.\n";
		466	}
		467
		468	$obj->{_attachment}{$name} = undef;
		469	}
		470
		471	sub cf::attachable::attach {
		472	if (ref $_[0]) {
		473	_object_attach @_;
		474	} else {
		475	_attach shift->_attach_registry, @_;
		476	}
		477	};
		478
		479	# all those should be optimised
		480	sub cf::attachable::detach {
		481	my ($obj, $name) = @_;
		482
		483	if (ref $obj) {
		484	delete $obj->{_attachment}{$name};
		485	reattach ($obj);
		486	} else {
		487	Carp::croak "cannot, currently, detach class attachments";
		488	}
		489	};
		490
		491	sub cf::attachable::attached {
		492	my ($obj, $name) = @_;
		493
		494	exists $obj->{_attachment}{$name}
		495	}
		496
		497	for my $klass (qw(ATTACHABLE GLOBAL OBJECT PLAYER CLIENT MAP)) {
		498	eval "#line " . __LINE__ . " 'cf.pm'
		499	sub cf::\L$klass\E::_attach_registry {
		500	(\\\@CB_$klass, KLASS_$klass)
		501	}
		502
		503	sub cf::\L$klass\E::attachment {
		504	my \$name = shift;
		505
		506	\$attachment{\$name} = [[KLASS_$klass, \@_]];
		507	}
		508	";
		509	die if $@;
		510	}
		511
		512	our $override;
		513	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
		514
		515	sub override {
		516	$override = 1;
		517	@invoke_results = ();
		518	}
		519
		520	sub do_invoke {
		521	my $event = shift;
		522	my $callbacks = shift;
		523
		524	@invoke_results = ();
		525
		526	local $override;
		527
		528	for (@$callbacks) {
		529	eval { &{$_->[1]} };
		530
		531	if ($@) {
		532	warn "$@";
		533	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
		534	override;
		535	}
		536
		537	return 1 if $override;
		538	}
		539
		540	0
		541	}
		542
		543	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)
		544
		545	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
		546
		547	Generate an object-specific event with the given arguments.
		548
		549	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
		550	removed in future versions), and there is no public API to access override
		551	results (if you must, access C<@cf::invoke_results> directly).
		552
491	=back	553	=back
492		554
493	=cut	555	=cut
494
495	*cf::object::valid =
496	*cf::player::valid =
497	*cf::client::valid =
498	*cf::map::valid = \&cf::_valid;
499		556
500	#############################################################################	557	#############################################################################
501	# object support	558	# object support
502		559
503	sub instantiate {
504	my ($obj, $data) = @_;
505
506	$data = from_json $data;
507
508	for (@$data) {
509	my ($name, $args) = @$_;
510
511	$obj->attach ($name, %{$args || {} });
512	}
513	}
514
515	# basically do the same as instantiate, without calling instantiate
516	sub reattach {	560	sub reattach {
		561	# basically do the same as instantiate, without calling instantiate
517	my ($obj) = @_;	562	my ($obj) = @_;
		563
518	my $registry = $obj->registry;	564	my $registry = $obj->registry;
519		565
520	@$registry = ();	566	@$registry = ();
521		567
522	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} };	568	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} };
523		569
524	for my $name (keys %{ $obj->{_attachment} || {} }) {	570	for my $name (keys %{ $obj->{_attachment} || {} }) {
525	if (my $attach = $attachment{$name}) {	571	if (my $attach = $attachment{$name}) {
526	for (@$attach) {	572	for (@$attach) {
527	my ($klass, @attach) = @$_;	573	my ($klass, @attach) = @$_;
528	_attach @$registry, $klass, @attach;	574	_attach $registry, $klass, @attach;
529	}	575	}
530	} else {	576	} else {
531	warn "object uses attachment '$name' that is not available, postponing.\n";	577	warn "object uses attachment '$name' that is not available, postponing.\n";
532	}	578	}
533	}	579	}
534	}	580	}
535		581
536	sub object_freezer_save {	582	cf::attachable->attach (
537	my ($filename, $rdata, $objs) = @_;
538
539	if (length $$rdata) {
540	warn sprintf "saving %s (%d,%d)\n",
541	$filename, length $$rdata, scalar @$objs;
542
543	if (open my $fh, ">:raw", "$filename~") {
544	chmod SAVE_MODE, $fh;
545	syswrite $fh, $$rdata;
546	close $fh;
547
548	if (@$objs && open my $fh, ">:raw", "$filename.pst~") {
549	chmod SAVE_MODE, $fh;
550	syswrite $fh, Storable::nfreeze { version => 1, objs => $objs };
551	close $fh;
552	rename "$filename.pst~", "$filename.pst";
553	} else {
554	unlink "$filename.pst";
555	}
556
557	rename "$filename~", $filename;
558	} else {
559	warn "FATAL: $filename~: $!\n";
560	}
561	} else {
562	unlink $filename;
563	unlink "$filename.pst";
564	}
565	}
566
567	sub object_freezer_as_string {
568	my ($rdata, $objs) = @_;
569
570	use Data::Dumper;
571
572	$$rdata . Dumper $objs
573	}
574
575	sub object_thawer_load {
576	my ($filename) = @_;
577
578	local $/;
579
580	my $av;
581
582	#TODO: use sysread etc.
583	if (open my $data, "<:raw:perlio", $filename) {
584	$data = <$data>;
585	if (open my $pst, "<:raw:perlio", "$filename.pst") {
586	$av = eval { (Storable::thaw <$pst>)->{objs} };
587	}
588	return ($data, $av);
589	}
590
591	()
592	}
593
594	attach_to_objects
595	prio => -1000000,	583	prio => -1000000,
		584	on_instantiate => sub {
		585	my ($obj, $data) = @_;
		586
		587	$data = from_json $data;
		588
		589	for (@$data) {
		590	my ($name, $args) = @$_;
		591
		592	$obj->attach ($name, %{$args || {} });
		593	}
		594	},
		595	on_reattach => \&reattach,
596	on_clone => sub {	596	on_clone => sub {
597	my ($src, $dst) = @_;	597	my ($src, $dst) = @_;
598		598
599	@{$dst->registry} = @{$src->registry};	599	@{$dst->registry} = @{$src->registry};
600		600
601	%$dst = %$src;	601	%$dst = %$src;
602		602
603	%{$dst->{_attachment}} = %{$src->{_attachment}}	603	%{$dst->{_attachment}} = %{$src->{_attachment}}
604	if exists $src->{_attachment};	604	if exists $src->{_attachment};
605	},	605	},
606	;	606	);
		607
		608	sub object_freezer_save {
		609	my ($filename, $rdata, $objs) = @_;
		610
		611	sync_job {
		612	if (length $$rdata) {
		613	warn sprintf "saving %s (%d,%d)\n",
		614	$filename, length $$rdata, scalar @$objs;
		615
		616	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
		617	chmod SAVE_MODE, $fh;
		618	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		619	aio_fsync $fh;
		620	close $fh;
		621
		622	if (@$objs) {
		623	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
		624	chmod SAVE_MODE, $fh;
		625	my $data = Storable::nfreeze { version => 1, objs => $objs };
		626	aio_write $fh, 0, (length $data), $data, 0;
		627	aio_fsync $fh;
		628	close $fh;
		629	aio_rename "$filename.pst~", "$filename.pst";
		630	}
		631	} else {
		632	aio_unlink "$filename.pst";
		633	}
		634
		635	aio_rename "$filename~", $filename;
		636	} else {
		637	warn "FATAL: $filename~: $!\n";
		638	}
		639	} else {
		640	aio_unlink $filename;
		641	aio_unlink "$filename.pst";
		642	}
		643	}
		644	}
		645
		646	sub object_freezer_as_string {
		647	my ($rdata, $objs) = @_;
		648
		649	use Data::Dumper;
		650
		651	$$rdata . Dumper $objs
		652	}
		653
		654	sub object_thawer_load {
		655	my ($filename) = @_;
		656
		657	my ($data, $av);
		658
		659	(aio_load $filename, $data) >= 0
		660	or return;
		661
		662	unless (aio_stat "$filename.pst") {
		663	(aio_load "$filename.pst", $av) >= 0
		664	or return;
		665	$av = eval { (Storable::thaw <$av>)->{objs} };
		666	}
		667
		668	return ($data, $av);
		669	}
607		670
608	#############################################################################	671	#############################################################################
609	# command handling &c	672	# command handling &c
610		673
611	=item cf::register_command $name => \&callback($ob,$args);	674	=item cf::register_command $name => \&callback($ob,$args);
…		…
640	#warn "registering extcmd '$name' to '$caller'";	703	#warn "registering extcmd '$name' to '$caller'";
641		704
642	$EXTCMD{$name} = [$cb, $caller];	705	$EXTCMD{$name} = [$cb, $caller];
643	}	706	}
644		707
645	attach_to_players	708	cf::player->attach (
646	on_command => sub {	709	on_command => sub {
647	my ($pl, $name, $params) = @_;	710	my ($pl, $name, $params) = @_;
648		711
649	my $cb = $COMMAND{$name}	712	my $cb = $COMMAND{$name}
650	or return;	713	or return;
…		…
670	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	733	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
671	}	734	}
672		735
673	cf::override;	736	cf::override;
674	},	737	},
675	;	738	);
676		739
677	sub register {	740	sub register {
678	my ($base, $pkg) = @_;	741	my ($base, $pkg) = @_;
679		742
680	#TODO	743	#TODO
…		…
770	defined $path or return;	833	defined $path or return;
771		834
772	unlink "$path.pst";	835	unlink "$path.pst";
773	};	836	};
774		837
775	attach_to_maps prio => -10000, package => cf::mapsupport::;	838	cf::map->attach (prio => -10000, package => cf::mapsupport::);
776		839
777	#############################################################################	840	#############################################################################
778	# load/save perl data associated with player->ob objects	841	# load/save perl data associated with player->ob objects
779		842
780	sub all_objects(@) {	843	sub all_objects(@) {
781	@_, map all_objects ($_->inv), @_	844	@_, map all_objects ($_->inv), @_
782	}	845	}
783		846
784	# TODO: compatibility cruft, remove when no longer needed	847	# TODO: compatibility cruft, remove when no longer needed
785	attach_to_players	848	cf::player->attach (
786	on_load => sub {	849	on_load => sub {
787	my ($pl, $path) = @_;	850	my ($pl, $path) = @_;
788		851
789	for my $o (all_objects $pl->ob) {	852	for my $o (all_objects $pl->ob) {
790	if (my $value = $o->get_ob_key_value ("_perl_data")) {	853	if (my $value = $o->get_ob_key_value ("_perl_data")) {
…		…
792		855
793	%$o = %{ Storable::thaw pack "H*", $value };	856	%$o = %{ Storable::thaw pack "H*", $value };
794	}	857	}
795	}	858	}
796	},	859	},
797	;	860	);
798		861
799	#############################################################################	862	#############################################################################
800		863
801	=head2 CORE EXTENSIONS	864	=head2 CORE EXTENSIONS
802		865
803	Functions and methods that extend core crossfire objects.	866	Functions and methods that extend core crossfire objects.
		867
		868	=head3 cf::player
804		869
805	=over 4	870	=over 4
806		871
807	=item cf::player::exists $login	872	=item cf::player::exists $login
808		873
…		…
813	sub cf::player::exists($) {	878	sub cf::player::exists($) {
814	cf::player::find $_[0]	879	cf::player::find $_[0]
815	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	880	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
816	}	881	}
817		882
		883	=item $player->ext_reply ($msgid, $msgtype, %msg)
		884
		885	Sends an ext reply to the player.
		886
		887	=cut
		888
		889	sub cf::player::ext_reply($$$%) {
		890	my ($self, $id, %msg) = @_;
		891
		892	$msg{msgid} = $id;
		893
		894	$self->send ("ext " . to_json \%msg);
		895	}
		896
		897	=back
		898
		899	=head3 cf::object::player
		900
		901	=over 4
		902
818	=item $player_object->reply ($npc, $msg[, $flags])	903	=item $player_object->reply ($npc, $msg[, $flags])
819		904
820	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	905	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
821	can be C<undef>. Does the right thing when the player is currently in a	906	can be C<undef>. Does the right thing when the player is currently in a
822	dialogue with the given NPC character.	907	dialogue with the given NPC character.
823		908
824	=cut	909	=cut
825		910
826	# rough implementation of a future "reply" method that works	911	# rough implementation of a future "reply" method that works
827	# with dialog boxes.	912	# with dialog boxes.
		913	#TODO: the first argument must go, split into a $npc->reply_to ( method
828	sub cf::object::player::reply($$$;$) {	914	sub cf::object::player::reply($$$;$) {
829	my ($self, $npc, $msg, $flags) = @_;	915	my ($self, $npc, $msg, $flags) = @_;
830		916
831	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	917	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
832		918
…		…
836	$msg = $npc->name . " says: $msg" if $npc;	922	$msg = $npc->name . " says: $msg" if $npc;
837	$self->message ($msg, $flags);	923	$self->message ($msg, $flags);
838	}	924	}
839	}	925	}
840		926
841	=item $player->ext_reply ($msgid, $msgtype, %msg)
842
843	Sends an ext reply to the player.
844
845	=cut
846
847	sub cf::player::ext_reply($$$%) {
848	my ($self, $id, %msg) = @_;
849
850	$msg{msgid} = $id;
851
852	$self->send ("ext " . to_json \%msg);
853	}
854
855	=item $player_object->may ("access")	927	=item $player_object->may ("access")
856		928
857	Returns wether the given player is authorized to access resource "access"	929	Returns wether the given player is authorized to access resource "access"
858	(e.g. "command_wizcast").	930	(e.g. "command_wizcast").
859		931
…		…
866	(ref $cf::CFG{"may_$access"}	938	(ref $cf::CFG{"may_$access"}
867	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	939	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
868	: $cf::CFG{"may_$access"})	940	: $cf::CFG{"may_$access"})
869	}	941	}
870		942
871	=cut	943	=head3 cf::client
872		944
873	#############################################################################	945	=over 4
		946
		947	=item $client->send_drawinfo ($text, $flags)
		948
		949	Sends a drawinfo packet to the client. Circumvents output buffering so
		950	should not be used under normal circumstances.
		951
		952	=cut
		953
		954	sub cf::client::send_drawinfo {
		955	my ($self, $text, $flags) = @_;
		956
		957	utf8::encode $text;
		958	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);
		959	}
		960
		961
		962	=item $success = $client->query ($flags, "text", \&cb)
		963
		964	Queues a query to the client, calling the given callback with
		965	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
		966	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
		967
		968	Queries can fail, so check the return code. Or don't, as queries will become
		969	reliable at some point in the future.
		970
		971	=cut
		972
		973	sub cf::client::query {
		974	my ($self, $flags, $text, $cb) = @_;
		975
		976	return unless $self->state == ST_PLAYING
		977	|| $self->state == ST_SETUP
		978	|| $self->state == ST_CUSTOM;
		979
		980	$self->state (ST_CUSTOM);
		981
		982	utf8::encode $text;
		983	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
		984
		985	$self->send_packet ($self->{query_queue}[0][0])
		986	if @{ $self->{query_queue} } == 1;
		987	}
		988
		989	cf::client->attach (
		990	on_reply => sub {
		991	my ($ns, $msg) = @_;
		992
		993	# this weird shuffling is so that direct followup queries
		994	# get handled first
		995	my $queue = delete $ns->{query_queue};
		996
		997	(shift @$queue)->[1]->($msg);
		998
		999	push @{ $ns->{query_queue} }, @$queue;
		1000
		1001	if (@{ $ns->{query_queue} } == @$queue) {
		1002	if (@$queue) {
		1003	$ns->send_packet ($ns->{query_queue}[0][0]);
		1004	} else {
		1005	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
		1006	}
		1007	}
		1008	},
		1009	);
		1010
		1011	=item $client->coro (\&cb)
		1012
		1013	Create a new coroutine, running the specified callback. The coroutine will
		1014	be automatically cancelled when the client gets destroyed (e.g. on logout,
		1015	or loss of connection).
		1016
		1017	=cut
		1018
		1019	sub cf::client::coro {
		1020	my ($self, $cb) = @_;
		1021
		1022	my $coro; $coro = async {
		1023	eval {
		1024	$cb->();
		1025	};
		1026	warn $@ if $@;
		1027	};
		1028
		1029	$coro->on_destroy (sub {
		1030	delete $self->{_coro}{$coro+0};
		1031	});
		1032
		1033	$self->{_coro}{$coro+0} = $coro;
		1034
		1035	$coro
		1036	}
		1037
		1038	cf::client->attach (
		1039	on_destroy => sub {
		1040	my ($ns) = @_;
		1041
		1042	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
		1043	},
		1044	);
		1045
		1046	=back
		1047
874		1048
875	=head2 SAFE SCRIPTING	1049	=head2 SAFE SCRIPTING
876		1050
877	Functions that provide a safe environment to compile and execute	1051	Functions that provide a safe environment to compile and execute
878	snippets of perl code without them endangering the safety of the server	1052	snippets of perl code without them endangering the safety of the server
…		…
1078	$DB->{$_[0]} = $_[1];	1252	$DB->{$_[0]} = $_[1];
1079	}	1253	}
1080	db_dirty;	1254	db_dirty;
1081	}	1255	}
1082		1256
1083	attach_global	1257	cf::global->attach (
1084	prio => 10000,	1258	prio => 10000,
1085	on_cleanup => sub {	1259	on_cleanup => sub {
1086	db_sync;	1260	db_sync;
1087	},	1261	},
1088	;	1262	);
1089	}	1263	}
1090		1264
1091	#############################################################################	1265	#############################################################################
1092	# the server's main()	1266	# the server's main()
1093		1267
…		…
1107	}	1281	}
1108		1282
1109	#############################################################################	1283	#############################################################################
1110	# initialisation	1284	# initialisation
1111		1285
1112	sub _perl_reload(&) {	1286	sub _perl_reload() {
1113	my ($msg) = @_;	1287	# can/must only be called in main
		1288	if ($Coro::current != $Coro::main) {
		1289	warn "can only reload from main coroutine\n";
		1290	return;
		1291	}
1114		1292
1115	$msg->("reloading...");	1293	warn "reloading...";
		1294
		1295	local $FREEZE = 1;
		1296	cf::emergency_save;
1116		1297
1117	eval {	1298	eval {
		1299	# if anything goes wrong in here, we should simply crash as we already saved
		1300
1118	# cancel all watchers	1301	# cancel all watchers
1119	for (Event::all_watchers) {	1302	for (Event::all_watchers) {
1120	$_->cancel if $_->data & WF_AUTOCANCEL;	1303	$_->cancel if $_->data & WF_AUTOCANCEL;
1121	}	1304	}
1122		1305
		1306	# cancel all extension coros
		1307	$_->cancel for values %EXT_CORO;
		1308	%EXT_CORO = ();
		1309
1123	# unload all extensions	1310	# unload all extensions
1124	for (@exts) {	1311	for (@exts) {
1125	$msg->("unloading <$_>");	1312	warn "unloading <$_>";
1126	unload_extension $_;	1313	unload_extension $_;
1127	}	1314	}
1128		1315
1129	# unload all modules loaded from $LIBDIR	1316	# unload all modules loaded from $LIBDIR
1130	while (my ($k, $v) = each %INC) {	1317	while (my ($k, $v) = each %INC) {
1131	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	1318	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1132		1319
1133	$msg->("removing <$k>");	1320	warn "removing <$k>";
1134	delete $INC{$k};	1321	delete $INC{$k};
1135		1322
1136	$k =~ s/\.pm$//;	1323	$k =~ s/\.pm$//;
1137	$k =~ s/\//::/g;	1324	$k =~ s/\//::/g;
1138		1325
…		…
1143	Symbol::delete_package $k;	1330	Symbol::delete_package $k;
1144	}	1331	}
1145		1332
1146	# sync database to disk	1333	# sync database to disk
1147	cf::db_sync;	1334	cf::db_sync;
		1335	IO::AIO::flush;
1148		1336
1149	# get rid of safe::, as good as possible	1337	# get rid of safe::, as good as possible
1150	Symbol::delete_package "safe::$_"	1338	Symbol::delete_package "safe::$_"
1151	for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region);	1339	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1152		1340
1153	# remove register_script_function callbacks	1341	# remove register_script_function callbacks
1154	# TODO	1342	# TODO
1155		1343
1156	# unload cf.pm "a bit"	1344	# unload cf.pm "a bit"
…		…
1159	# don't, removes xs symbols, too,	1347	# don't, removes xs symbols, too,
1160	# and global variables created in xs	1348	# and global variables created in xs
1161	#Symbol::delete_package __PACKAGE__;	1349	#Symbol::delete_package __PACKAGE__;
1162		1350
1163	# reload cf.pm	1351	# reload cf.pm
1164	$msg->("reloading cf.pm");	1352	warn "reloading cf.pm";
1165	require cf;	1353	require cf;
		1354	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1166		1355
1167	# load config and database again	1356	# load config and database again
1168	cf::cfg_load;	1357	cf::cfg_load;
1169	cf::db_load;	1358	cf::db_load;
1170		1359
1171	# load extensions	1360	# load extensions
1172	$msg->("load extensions");	1361	warn "load extensions";
1173	cf::load_extensions;	1362	cf::load_extensions;
1174		1363
1175	# reattach attachments to objects	1364	# reattach attachments to objects
1176	$msg->("reattach");	1365	warn "reattach";
1177	_global_reattach;	1366	_global_reattach;
1178	};	1367	};
1179	$msg->($@) if $@;
1180		1368
1181	$msg->("reloaded");	1369	if ($@) {
		1370	warn $@;
		1371	warn "error while reloading, exiting.";
		1372	exit 1;
		1373	}
		1374
		1375	warn "reloaded successfully";
1182	};	1376	};
1183		1377
1184	sub perl_reload() {	1378	sub perl_reload() {
1185	_perl_reload {	1379	_perl_reload;
1186	warn $_[0];
1187	print "$_[0]\n";
1188	};
1189	}	1380	}
1190		1381
1191	register "<global>", __PACKAGE__;	1382	register "<global>", __PACKAGE__;
1192		1383
1193	register_command "perl-reload" => sub {	1384	register_command "perl-reload" => sub {
1194	my ($who, $arg) = @_;	1385	my ($who, $arg) = @_;
1195		1386
1196	if ($who->flag (FLAG_WIZ)) {	1387	if ($who->flag (FLAG_WIZ)) {
		1388	$who->message ("reloading...");
1197	_perl_reload {	1389	_perl_reload;
1198	warn $_[0];
1199	$who->message ($_[0]);
1200	};
1201	}	1390	}
1202	};	1391	};
1203		1392
1204	unshift @INC, $LIBDIR;	1393	unshift @INC, $LIBDIR;
1205		1394
1206	$TICK_WATCHER = Event->timer (	1395	$TICK_WATCHER = Event->timer (
		1396	reentrant => 0,
1207	prio => 0,	1397	prio => 0,
1208	at => $NEXT_TICK || 1,	1398	at => $NEXT_TICK || $TICK,
1209	data => WF_AUTOCANCEL,	1399	data => WF_AUTOCANCEL,
1210	cb => sub {	1400	cb => sub {
		1401	unless ($FREEZE) {
1211	cf::server_tick; # one server iteration	1402	cf::server_tick; # one server iteration
		1403	$RUNTIME += $TICK;
		1404	}
1212		1405
1213	my $NOW = Event::time;
1214	$NEXT_TICK += $TICK;	1406	$NEXT_TICK += $TICK;
1215		1407
1216	# if we are delayed by four ticks or more, skip them all	1408	# if we are delayed by four ticks or more, skip them all
1217	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;	1409	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1218		1410
1219	$TICK_WATCHER->at ($NEXT_TICK);	1411	$TICK_WATCHER->at ($NEXT_TICK);
1220	$TICK_WATCHER->start;	1412	$TICK_WATCHER->start;
1221	},	1413	},
1222	);	1414	);
…		…
1227	poll => 'r',	1419	poll => 'r',
1228	prio => 5,	1420	prio => 5,
1229	data => WF_AUTOCANCEL,	1421	data => WF_AUTOCANCEL,
1230	cb => \&IO::AIO::poll_cb);	1422	cb => \&IO::AIO::poll_cb);
1231		1423
		1424	# we must not ever block the main coroutine
		1425	$Coro::idle = sub {
		1426	#Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#
		1427	warn "FATAL: Coro::idle was called, major BUG\n";
		1428	(Coro::unblock_sub {
		1429	Event::one_event;
		1430	})->();
		1431	};
		1432
1232	1	1433	1
1233		1434

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