[ViewVC] Diff of: cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.84 by root, Mon Dec 11 02:54:57 2006 UTC vs.
Revision 1.105 by root, Sun Dec 31 17:17:23 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	_init_vars;	32	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
22		33
23	our %COMMAND = ();	34	our %COMMAND = ();
		35	our %COMMAND_TIME = ();
		36	our %EXTCMD = ();
		37
24	our @EVENT;	38	our @EVENT;
25	our $LIBDIR = maps_directory "perl";	39	our $LIBDIR = datadir . "/ext";
26		40
27	our $TICK = MAX_TIME * 1e-6;	41	our $TICK = MAX_TIME * 1e-6;
28	our $TICK_WATCHER;	42	our $TICK_WATCHER;
29	our $NEXT_TICK;	43	our $NEXT_TICK;
		44	our $NOW;
30		45
31	our %CFG;	46	our %CFG;
32		47
33	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;
34		71
35	#############################################################################	72	#############################################################################
36		73
37	=head2 GLOBAL VARIABLES	74	=head2 GLOBAL VARIABLES
38		75
39	=over 4	76	=over 4
40		77
41	=item $cf::UPTIME	78	=item $cf::UPTIME
42		79
43	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.
44		86
45	=item $cf::LIBDIR	87	=item $cf::LIBDIR
46		88
47	The perl library directory, where extensions and cf-specific modules can	89	The perl library directory, where extensions and cf-specific modules can
48	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.
49		95
50	=item $cf::TICK	96	=item $cf::TICK
51		97
52	The interval between server ticks, in seconds.	98	The interval between server ticks, in seconds.
53		99
61	=cut	107	=cut
62		108
63	BEGIN {	109	BEGIN {
64	*CORE::GLOBAL::warn = sub {	110	*CORE::GLOBAL::warn = sub {
65	my $msg = join "", @_;	111	my $msg = join "", @_;
		112	utf8::encode $msg;
		113
66	$msg .= "\n"	114	$msg .= "\n"
67	unless $msg =~ /\n$/;	115	unless $msg =~ /\n$/;
68		116
69	print STDERR "cfperl: $msg";
70	LOG llevError, "cfperl: $msg";	117	LOG llevError, "cfperl: $msg";
71	};	118	};
72	}	119	}
73		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';
74	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	126	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';
75		127
76	# 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
77	# within the Safe compartment.	129	# within the Safe compartment.
78	for my $pkg (qw(cf::object cf::object::player cf::player cf::map cf::party cf::region cf::arch cf::living)) {	130	for my $pkg (qw(
		131	cf::global cf::attachable
		132	cf::object cf::object::player
		133	cf::client cf::player
		134	cf::arch cf::living
		135	cf::map cf::party cf::region
		136	)) {
79	no strict 'refs';	137	no strict 'refs';
80	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	138	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
81	}	139	}
82		140
83	$Event::DIED = sub {	141	$Event::DIED = sub {
…		…
85	};	143	};
86		144
87	my %ext_pkg;	145	my %ext_pkg;
88	my @exts;	146	my @exts;
89	my @hook;	147	my @hook;
90	my %command;
91	my %extcmd;
92		148
93	=head2 UTILITY FUNCTIONS	149	=head2 UTILITY FUNCTIONS
94		150
95	=over 4	151	=over 4
96		152
…		…
118	sub to_json($) {	174	sub to_json($) {
119	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	175	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
120	JSON::Syck::Dump $_[0]	176	JSON::Syck::Dump $_[0]
121	}	177	}
122		178
		179	# main coro must never ever "block" except in Event
		180	# sync_job ensures this by running the job in a coroutine
		181	# and waiting in Event while the server is otherwise frozen
		182	sub sync_job(&) {
		183	my ($job) = @_;
		184
		185	my $busy = 1;
		186	my @res;
		187
		188	local $FREEZE = 1;
		189
		190	my $coro = Coro::async {
		191	@res = eval { $job->() };
		192	warn $@ if $@;
		193	undef $busy;
		194	};
		195
		196	if ($Coro::current == $Coro::main) {
		197	$coro->prio (Coro::PRIO_MAX);
		198	while ($busy) {
		199	Coro::cede_notself;
		200	Event::one_event unless Coro::nready;
		201	}
		202	} else {
		203	$coro->join;
		204	}
		205
		206	wantarray ? @res : $res[0]
		207	}
		208
		209	=item $coro = cf::coro { BLOCK }
		210
		211	Creates and returns a new coro. This coro is automcatially being canceled
		212	when the extension calling this is being unloaded.
		213
		214	=cut
		215
		216	sub coro(&) {
		217	my $cb = shift;
		218
		219	my $coro; $coro = async {
		220	eval {
		221	$cb->();
		222	};
		223	warn $@ if $@;
		224	};
		225
		226	$coro->on_destroy (sub {
		227	delete $EXT_CORO{$coro+0};
		228	});
		229	$EXT_CORO{$coro+0} = $coro;
		230
		231	$coro
		232	}
		233
123	=back	234	=back
124		235
125	=cut	236	=cut
126		237
127	#############################################################################	238	#############################################################################
128		239
129	=head2 EVENTS AND OBJECT ATTACHMENTS	240	=head2 ATTACHABLE OBJECTS
		241
		242	Many objects in crossfire are so-called attachable objects. That means you can
		243	attach callbacks/event handlers (a collection of which is called an "attachment")
		244	to it. All such attachable objects support the following methods.
		245
		246	In the following description, CLASS can be any of C<global>, C<object>
		247	C<player>, C<client> or C<map> (i.e. the attachable objects in
		248	crossfire+).
130		249
131	=over 4	250	=over 4
132		251
133	=item $object->attach ($attachment, key => $value...)
134
135	=item $object->detach ($attachment)
136
137	Attach/detach a pre-registered attachment to an object.
138
139	=item $player->attach ($attachment, key => $value...)
140
141	=item $player->detach ($attachment)
142
143	Attach/detach a pre-registered attachment to a player.
144
145	=item $map->attach ($attachment, key => $value...)	252	=item $attachable->attach ($attachment, key => $value...)
146		253
147	=item $map->detach ($attachment)	254	=item $attachable->detach ($attachment)
148		255
149	Attach/detach a pre-registered attachment to a map.	256	Attach/detach a pre-registered attachment to a specific object and give it
		257	the specified key/value pairs as arguments.
150		258
151	=item $bool = $object->attached ($name)	259	Example, attach a minesweeper attachment to the given object, making it a
		260	10x10 minesweeper game:
152		261
153	=item $bool = $player->attached ($name)	262	$obj->attach (minesweeper => width => 10, height => 10);
154		263
155	=item $bool = $map->attached ($name)	264	=item $bool = $attachable->attached ($name)
156		265
157	Checks wether the named attachment is currently attached to the object.	266	Checks wether the named attachment is currently attached to the object.
158		267
159	=item cf::attach_global ...	268	=item cf::CLASS->attach ...
160		269
161	Attach handlers for global events.	270	=item cf::CLASS->detach ...
162		271
163	This and all following C<attach_*>-functions expect any number of the	272	Define an anonymous attachment and attach it to all objects of the given
164	following handler/hook descriptions:	273	CLASS. See the next function for an explanation of its arguments.
		274
		275	You can attach to global events by using the C<cf::global> class.
		276
		277	Example, log all player logins:
		278
		279	cf::player->attach (
		280	on_login => sub {
		281	my ($pl) = @_;
		282	...
		283	},
		284	);
		285
		286	Example, attach to the jeweler skill:
		287
		288	cf::object->attach (
		289	type => cf::SKILL,
		290	subtype => cf::SK_JEWELER,
		291	on_use_skill => sub {
		292	my ($sk, $ob, $part, $dir, $msg) = @_;
		293	...
		294	},
		295	);
		296
		297	=item cf::CLASS::attachment $name, ...
		298
		299	Register an attachment by C<$name> through which attachable objects of the
		300	given CLASS can refer to this attachment.
		301
		302	Some classes such as crossfire maps and objects can specify attachments
		303	that are attached at load/instantiate time, thus the need for a name.
		304
		305	These calls expect any number of the following handler/hook descriptions:
165		306
166	=over 4	307	=over 4
167		308
168	=item prio => $number	309	=item prio => $number
169		310
…		…
171	by another C<prio> setting). Lower priority handlers get executed	312	by another C<prio> setting). Lower priority handlers get executed
172	earlier. The default priority is C<0>, and many built-in handlers are	313	earlier. The default priority is C<0>, and many built-in handlers are
173	registered at priority C<-1000>, so lower priorities should not be used	314	registered at priority C<-1000>, so lower priorities should not be used
174	unless you know what you are doing.	315	unless you know what you are doing.
175		316
		317	=item type => $type
		318
		319	(Only for C<< cf::object->attach >> calls), limits the attachment to the
		320	given type of objects only (the additional parameter C<subtype> can be
		321	used to further limit to the given subtype).
		322
176	=item on_I<event> => \&cb	323	=item on_I<event> => \&cb
177		324
178	Call the given code reference whenever the named event happens (event is	325	Call the given code reference whenever the named event happens (event is
179	something like C<instantiate>, C<apply>, C<use_skill> and so on, and which	326	something like C<instantiate>, C<apply>, C<use_skill> and so on, and which
180	handlers are recognised generally depends on the type of object these	327	handlers are recognised generally depends on the type of object these
…		…
189	package and register them. Only handlers for eevents supported by the	336	package and register them. Only handlers for eevents supported by the
190	object/class are recognised.	337	object/class are recognised.
191		338
192	=back	339	=back
193		340
194	=item cf::attach_to_type $object_type, $subtype, ...	341	Example, define an attachment called "sockpuppet" that calls the given
		342	event handler when a monster attacks:
195		343
196	Attach handlers for a specific object type (e.g. TRANSPORT) and	344	cf::object::attachment sockpuppet =>
197	subtype. If C<$subtype> is zero or undef, matches all objects of the given	345	on_skill_attack => sub {
198	type.	346	my ($self, $victim) = @_;
199		347	...
200	=item cf::attach_to_objects ...
201
202	Attach handlers to all objects. Do not use this except for debugging or
203	very rare events, as handlers are (obviously) called for I<all> objects in
204	the game.
205
206	=item cf::attach_to_players ...
207
208	Attach handlers to all players.
209
210	=item cf::attach_to_maps ...
211
212	Attach handlers to all maps.
213
214	=item cf:register_attachment $name, ...
215
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
222	attachment.
223
224	=item cf:register_map_attachment $name, ...
225
226	Register an attachment by name through which maps can refer to this
227	attachment.
228
229	=cut
230
231	# the following variables are defined in .xs and must not be re-created
232	our @CB_GLOBAL = (); # registry for all global events
233	our @CB_OBJECT = (); # all objects (should not be used except in emergency)
234	our @CB_PLAYER = ();
235	our @CB_TYPE = (); # registry for type (cf-object class) based events
236	our @CB_MAP = ();
237
238	my %attachment;
239
240	sub _attach_cb($\%$$$) {
241	my ($registry, $undo, $event, $prio, $cb) = @_;
242
243	use sort 'stable';
244
245	$cb = [$prio, $cb];
246
247	@{$registry->[$event]} = sort
248	{ $a->[0] cmp $b->[0] }
249	@{$registry->[$event] \|\| []}, $cb;
250
251	push @{$undo->{cb}}, [$event, $cb];
252	}
253
254	# attach handles attaching event callbacks
255	# the only thing the caller has to do is pass the correct
256	# registry (== where the callback attaches to).
257	sub _attach(\@$@) {
258	my ($registry, $klass, @arg) = @_;
259
260	my $prio = 0;
261
262	my %undo = (
263	registry => $registry,
264	cb => [],
265	);
266
267	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;
268
269	while (@arg) {
270	my $type = shift @arg;
271
272	if ($type eq "prio") {
273	$prio = shift @arg;
274
275	} elsif ($type eq "package") {
276	my $pkg = shift @arg;
277
278	while (my ($name, $id) = each %cb_id) {
279	if (my $cb = $pkg->can ($name)) {
280	_attach_cb $registry, %undo, $id, $prio, $cb;
281	}
282	}	348	}
283
284	} elsif (exists $cb_id{$type}) {
285	_attach_cb $registry, %undo, $cb_id{$type}, $prio, shift @arg;
286
287	} elsif (ref $type) {
288	warn "attaching objects not supported, ignoring.\n";
289
290	} else {
291	shift @arg;
292	warn "attach argument '$type' not supported, ignoring.\n";
293	}
294	}
295
296	\%undo
297	}
298
299	sub _attach_attachment {
300	my ($obj, $name, %arg) = @_;
301
302	return if exists $obj->{_attachment}{$name};
303
304	my $res;
305
306	if (my $attach = $attachment{$name}) {
307	my $registry = $obj->registry;
308
309	for (@$attach) {
310	my ($klass, @attach) = @$_;
311	$res = _attach @$registry, $klass, @attach;
312	}
313
314	$obj->{$name} = \%arg;
315	} else {
316	warn "object uses attachment '$name' that is not available, postponing.\n";
317	}
318
319	$obj->{_attachment}{$name} = undef;
320
321	$res->{attachment} = $name;
322	$res
323	}
324
325	*cf::object::attach =
326	*cf::player::attach =
327	*cf::map::attach = sub {
328	my ($obj, $name, %arg) = @_;
329
330	_attach_attachment $obj, $name, %arg;
331	};
332
333	# all those should be optimised
334	*cf::object::detach =
335	*cf::player::detach =
336	*cf::map::detach = sub {
337	my ($obj, $name) = @_;
338
339	delete $obj->{_attachment}{$name};
340	reattach ($obj);
341	};
342
343	*cf::object::attached =
344	*cf::player::attached =
345	*cf::map::attached = sub {
346	my ($obj, $name) = @_;
347
348	exists $obj->{_attachment}{$name}
349	};
350
351	sub attach_global {
352	_attach @CB_GLOBAL, KLASS_GLOBAL, @_
353	}
354
355	sub attach_to_type {
356	my $type = shift;
357	my $subtype = shift;
358
359	_attach @{$CB_TYPE[$type + $subtype * NUM_SUBTYPES]}, KLASS_OBJECT, @_
360	}
361
362	sub attach_to_objects {
363	_attach @CB_OBJECT, KLASS_OBJECT, @_
364	}
365
366	sub attach_to_players {
367	_attach @CB_PLAYER, KLASS_PLAYER, @_
368	}
369
370	sub attach_to_maps {
371	_attach @CB_MAP, KLASS_MAP, @_
372	}
373
374	sub register_attachment {
375	my $name = shift;
376
377	$attachment{$name} = [[KLASS_OBJECT, @_]];
378	}
379
380	sub register_player_attachment {
381	my $name = shift;
382
383	$attachment{$name} = [[KLASS_PLAYER, @_]];
384	}
385
386	sub register_map_attachment {
387	my $name = shift;
388
389	$attachment{$name} = [[KLASS_MAP, @_]];
390	}
391
392	our $override;
393	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
394
395	sub override {
396	$override = 1;
397	@invoke_results = ();
398	}
399
400	sub do_invoke {
401	my $event = shift;
402	my $callbacks = shift;
403
404	@invoke_results = ();
405
406	local $override;
407
408	for (@$callbacks) {
409	eval { &{$_->[1]} };
410
411	if ($@) {
412	warn "$@";
413	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
414	override;
415	}
416
417	return 1 if $override;
418	}
419
420	0	349	}
421	}
422		350
423	=item $bool = cf::invoke EVENT_GLOBAL_XXX, ...	351	=item $attachable->valid
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		352
449	Just because you have a perl object does not mean that the corresponding	353	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	354	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	355	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	356	can be used to test for existence of the C object part without causing an
453	exception.	357	exception.
454		358
		359	=cut
		360
		361	# the following variables are defined in .xs and must not be re-created
		362	our @CB_GLOBAL = (); # registry for all global events
		363	our @CB_ATTACHABLE = (); # registry for all attachables
		364	our @CB_OBJECT = (); # all objects (should not be used except in emergency)
		365	our @CB_PLAYER = ();
		366	our @CB_CLIENT = ();
		367	our @CB_TYPE = (); # registry for type (cf-object class) based events
		368	our @CB_MAP = ();
		369
		370	my %attachment;
		371
		372	sub _attach_cb($$$$) {
		373	my ($registry, $event, $prio, $cb) = @_;
		374
		375	use sort 'stable';
		376
		377	$cb = [$prio, $cb];
		378
		379	@{$registry->[$event]} = sort
		380	{ $a->[0] cmp $b->[0] }
		381	@{$registry->[$event] \|\| []}, $cb;
		382	}
		383
		384	# hack
		385	my %attachable_klass = map +($_ => 1), KLASS_OBJECT, KLASS_CLIENT, KLASS_PLAYER, KLASS_MAP;
		386
		387	# attach handles attaching event callbacks
		388	# the only thing the caller has to do is pass the correct
		389	# registry (== where the callback attaches to).
		390	sub _attach {
		391	my ($registry, $klass, @arg) = @_;
		392
		393	my $object_type;
		394	my $prio = 0;
		395	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;
		396
		397	#TODO: get rid of this hack
		398	if ($attachable_klass{$klass}) {
		399	%cb_id = (%cb_id, map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == KLASS_ATTACHABLE, 0 .. $#EVENT);
		400	}
		401
		402	while (@arg) {
		403	my $type = shift @arg;
		404
		405	if ($type eq "prio") {
		406	$prio = shift @arg;
		407
		408	} elsif ($type eq "type") {
		409	$object_type = shift @arg;
		410	$registry = $CB_TYPE[$object_type] \|\|= [];
		411
		412	} elsif ($type eq "subtype") {
		413	defined $object_type or Carp::croak "subtype specified without type";
		414	my $object_subtype = shift @arg;
		415	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] \|\|= [];
		416
		417	} elsif ($type eq "package") {
		418	my $pkg = shift @arg;
		419
		420	while (my ($name, $id) = each %cb_id) {
		421	if (my $cb = $pkg->can ($name)) {
		422	_attach_cb $registry, $id, $prio, $cb;
		423	}
		424	}
		425
		426	} elsif (exists $cb_id{$type}) {
		427	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
		428
		429	} elsif (ref $type) {
		430	warn "attaching objects not supported, ignoring.\n";
		431
		432	} else {
		433	shift @arg;
		434	warn "attach argument '$type' not supported, ignoring.\n";
		435	}
		436	}
		437	}
		438
		439	sub _object_attach {
		440	my ($obj, $name, %arg) = @_;
		441
		442	return if exists $obj->{_attachment}{$name};
		443
		444	if (my $attach = $attachment{$name}) {
		445	my $registry = $obj->registry;
		446
		447	for (@$attach) {
		448	my ($klass, @attach) = @$_;
		449	_attach $registry, $klass, @attach;
		450	}
		451
		452	$obj->{$name} = \%arg;
		453	} else {
		454	warn "object uses attachment '$name' that is not available, postponing.\n";
		455	}
		456
		457	$obj->{_attachment}{$name} = undef;
		458	}
		459
		460	sub cf::attachable::attach {
		461	if (ref $_[0]) {
		462	_object_attach @_;
		463	} else {
		464	_attach shift->_attach_registry, @_;
		465	}
		466	};
		467
		468	# all those should be optimised
		469	sub cf::attachable::detach {
		470	my ($obj, $name) = @_;
		471
		472	if (ref $obj) {
		473	delete $obj->{_attachment}{$name};
		474	reattach ($obj);
		475	} else {
		476	Carp::croak "cannot, currently, detach class attachments";
		477	}
		478	};
		479
		480	sub cf::attachable::attached {
		481	my ($obj, $name) = @_;
		482
		483	exists $obj->{_attachment}{$name}
		484	}
		485
		486	for my $klass (qw(ATTACHABLE GLOBAL OBJECT PLAYER CLIENT MAP)) {
		487	eval "#line " . __LINE__ . " 'cf.pm'
		488	sub cf::\L$klass\E::_attach_registry {
		489	(\\\@CB_$klass, KLASS_$klass)
		490	}
		491
		492	sub cf::\L$klass\E::attachment {
		493	my \$name = shift;
		494
		495	\$attachment{\$name} = [[KLASS_$klass, \@_]];
		496	}
		497	";
		498	die if $@;
		499	}
		500
		501	our $override;
		502	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
		503
		504	sub override {
		505	$override = 1;
		506	@invoke_results = ();
		507	}
		508
		509	sub do_invoke {
		510	my $event = shift;
		511	my $callbacks = shift;
		512
		513	@invoke_results = ();
		514
		515	local $override;
		516
		517	for (@$callbacks) {
		518	eval { &{$_->[1]} };
		519
		520	if ($@) {
		521	warn "$@";
		522	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
		523	override;
		524	}
		525
		526	return 1 if $override;
		527	}
		528
		529	0
		530	}
		531
		532	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)
		533
		534	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
		535
		536	Generate an object-specific event with the given arguments.
		537
		538	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
		539	removed in future versions), and there is no public API to access override
		540	results (if you must, access C<@cf::invoke_results> directly).
		541
455	=back	542	=back
456		543
457	=cut	544	=cut
458
459	*cf::object::valid =
460	*cf::player::valid =
461	*cf::map::valid = \&cf::_valid;
462		545
463	#############################################################################	546	#############################################################################
464	# object support	547	# object support
465		548
466	sub instantiate {
467	my ($obj, $data) = @_;
468
469	$data = from_json $data;
470
471	for (@$data) {
472	my ($name, $args) = @$_;
473
474	$obj->attach ($name, %{$args \|\| {} });
475	}
476	}
477
478	# basically do the same as instantiate, without calling instantiate
479	sub reattach {	549	sub reattach {
		550	# basically do the same as instantiate, without calling instantiate
480	my ($obj) = @_;	551	my ($obj) = @_;
		552
481	my $registry = $obj->registry;	553	my $registry = $obj->registry;
482		554
483	@$registry = ();	555	@$registry = ();
484		556
485	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} \|\| {} };	557	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} \|\| {} };
486		558
487	for my $name (keys %{ $obj->{_attachment} \|\| {} }) {	559	for my $name (keys %{ $obj->{_attachment} \|\| {} }) {
488	if (my $attach = $attachment{$name}) {	560	if (my $attach = $attachment{$name}) {
489	for (@$attach) {	561	for (@$attach) {
490	my ($klass, @attach) = @$_;	562	my ($klass, @attach) = @$_;
491	_attach @$registry, $klass, @attach;	563	_attach $registry, $klass, @attach;
492	}	564	}
493	} else {	565	} else {
494	warn "object uses attachment '$name' that is not available, postponing.\n";	566	warn "object uses attachment '$name' that is not available, postponing.\n";
495	}	567	}
496	}	568	}
497	}	569	}
498		570
499	sub object_freezer_save {	571	cf::attachable->attach (
500	my ($filename, $rdata, $objs) = @_;
501
502	if (length $$rdata) {
503	warn sprintf "saving %s (%d,%d)\n",
504	$filename, length $$rdata, scalar @$objs;
505
506	if (open my $fh, ">:raw", "$filename~") {
507	chmod SAVE_MODE, $fh;
508	syswrite $fh, $$rdata;
509	close $fh;
510
511	if (@$objs && open my $fh, ">:raw", "$filename.pst~") {
512	chmod SAVE_MODE, $fh;
513	syswrite $fh, Storable::nfreeze { version => 1, objs => $objs };
514	close $fh;
515	rename "$filename.pst~", "$filename.pst";
516	} else {
517	unlink "$filename.pst";
518	}
519
520	rename "$filename~", $filename;
521	} else {
522	warn "FATAL: $filename~: $!\n";
523	}
524	} else {
525	unlink $filename;
526	unlink "$filename.pst";
527	}
528	}
529
530	sub object_freezer_as_string {
531	my ($rdata, $objs) = @_;
532
533	use Data::Dumper;
534
535	$$rdata . Dumper $objs
536	}
537
538	sub object_thawer_load {
539	my ($filename) = @_;
540
541	local $/;
542
543	my $av;
544
545	#TODO: use sysread etc.
546	if (open my $data, "<:raw:perlio", $filename) {
547	$data = <$data>;
548	if (open my $pst, "<:raw:perlio", "$filename.pst") {
549	$av = eval { (Storable::thaw <$pst>)->{objs} };
550	}
551	return ($data, $av);
552	}
553
554	()
555	}
556
557	attach_to_objects
558	prio => -1000000,	572	prio => -1000000,
		573	on_instantiate => sub {
		574	my ($obj, $data) = @_;
		575
		576	$data = from_json $data;
		577
		578	for (@$data) {
		579	my ($name, $args) = @$_;
		580
		581	$obj->attach ($name, %{$args \|\| {} });
		582	}
		583	},
		584	on_reattach => \&reattach,
559	on_clone => sub {	585	on_clone => sub {
560	my ($src, $dst) = @_;	586	my ($src, $dst) = @_;
561		587
562	@{$dst->registry} = @{$src->registry};	588	@{$dst->registry} = @{$src->registry};
563		589
564	%$dst = %$src;	590	%$dst = %$src;
565		591
566	%{$dst->{_attachment}} = %{$src->{_attachment}}	592	%{$dst->{_attachment}} = %{$src->{_attachment}}
567	if exists $src->{_attachment};	593	if exists $src->{_attachment};
568	},	594	},
569	;	595	);
		596
		597	sub object_freezer_save {
		598	my ($filename, $rdata, $objs) = @_;
		599
		600	sync_job {
		601	if (length $$rdata) {
		602	warn sprintf "saving %s (%d,%d)\n",
		603	$filename, length $$rdata, scalar @$objs;
		604
		605	if (my $fh = aio_open "$filename~", O_WRONLY \| O_CREAT, 0600) {
		606	chmod SAVE_MODE, $fh;
		607	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		608	aio_fsync $fh;
		609	close $fh;
		610
		611	if (@$objs) {
		612	if (my $fh = aio_open "$filename.pst~", O_WRONLY \| O_CREAT, 0600) {
		613	chmod SAVE_MODE, $fh;
		614	my $data = Storable::nfreeze { version => 1, objs => $objs };
		615	aio_write $fh, 0, (length $data), $data, 0;
		616	aio_fsync $fh;
		617	close $fh;
		618	aio_rename "$filename.pst~", "$filename.pst";
		619	}
		620	} else {
		621	aio_unlink "$filename.pst";
		622	}
		623
		624	aio_rename "$filename~", $filename;
		625	} else {
		626	warn "FATAL: $filename~: $!\n";
		627	}
		628	} else {
		629	aio_unlink $filename;
		630	aio_unlink "$filename.pst";
		631	}
		632	}
		633	}
		634
		635	sub object_freezer_as_string {
		636	my ($rdata, $objs) = @_;
		637
		638	use Data::Dumper;
		639
		640	$$rdata . Dumper $objs
		641	}
		642
		643	sub object_thawer_load {
		644	my ($filename) = @_;
		645
		646	my ($data, $av);
		647
		648	(aio_load $filename, $data) >= 0
		649	or return;
		650
		651	unless (aio_stat "$filename.pst") {
		652	(aio_load "$filename.pst", $av) >= 0
		653	or return;
		654	$av = eval { (Storable::thaw <$av>)->{objs} };
		655	}
		656
		657	return ($data, $av);
		658	}
570		659
571	#############################################################################	660	#############################################################################
572	# old plug-in events	661	# command handling &c
573		662
574	sub inject_event {	663	=item cf::register_command $name => \&callback($ob,$args);
575	my $extension = shift;
576	my $event_code = shift;
577		664
578	my $cb = $hook[$event_code]{$extension}	665	Register a callback for execution when the client sends the user command
579	or return;	666	$name.
580		667
581	&$cb	668	=cut
582	}
583
584	sub inject_global_event {
585	my $event = shift;
586
587	my $cb = $hook[$event]
588	or return;
589
590	List::Util::max map &$_, values %$cb
591	}
592
593	sub inject_command {
594	my ($name, $obj, $params) = @_;
595
596	for my $cmd (@{ $command{$name} }) {
597	$cmd->[1]->($obj, $params);
598	}
599
600	-1
601	}
602		669
603	sub register_command {	670	sub register_command {
604	my ($name, $time, $cb) = @_;	671	my ($name, $cb) = @_;
605		672
606	my $caller = caller;	673	my $caller = caller;
607	#warn "registering command '$name/$time' to '$caller'";	674	#warn "registering command '$name/$time' to '$caller'";
608		675
609	push @{ $command{$name} }, [$time, $cb, $caller];	676	push @{ $COMMAND{$name} }, [$caller, $cb];
610	$COMMAND{"$name\000"} = List::Util::max map $_->[0], @{ $command{$name} };
611	}	677	}
		678
		679	=item cf::register_extcmd $name => \&callback($pl,$packet);
		680
		681	Register a callbackf ro execution when the client sends an extcmd packet.
		682
		683	If the callback returns something, it is sent back as if reply was being
		684	called.
		685
		686	=cut
612		687
613	sub register_extcmd {	688	sub register_extcmd {
614	my ($name, $cb) = @_;	689	my ($name, $cb) = @_;
615		690
616	my $caller = caller;	691	my $caller = caller;
617	#warn "registering extcmd '$name' to '$caller'";	692	#warn "registering extcmd '$name' to '$caller'";
618		693
619	$extcmd{$name} = [$cb, $caller];	694	$EXTCMD{$name} = [$cb, $caller];
620	}	695	}
		696
		697	cf::player->attach (
		698	on_command => sub {
		699	my ($pl, $name, $params) = @_;
		700
		701	my $cb = $COMMAND{$name}
		702	or return;
		703
		704	for my $cmd (@$cb) {
		705	$cmd->[1]->($pl->ob, $params);
		706	}
		707
		708	cf::override;
		709	},
		710	on_extcmd => sub {
		711	my ($pl, $buf) = @_;
		712
		713	my $msg = eval { from_json $buf };
		714
		715	if (ref $msg) {
		716	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
		717	if (my %reply = $cb->[0]->($pl, $msg)) {
		718	$pl->ext_reply ($msg->{msgid}, %reply);
		719	}
		720	}
		721	} else {
		722	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
		723	}
		724
		725	cf::override;
		726	},
		727	);
621		728
622	sub register {	729	sub register {
623	my ($base, $pkg) = @_;	730	my ($base, $pkg) = @_;
624		731
625	#TODO	732	#TODO
…		…
668	# for my $idx (0 .. $#PLUGIN_EVENT) {	775	# for my $idx (0 .. $#PLUGIN_EVENT) {
669	# delete $hook[$idx]{$pkg};	776	# delete $hook[$idx]{$pkg};
670	# }	777	# }
671		778
672	# remove commands	779	# remove commands
673	for my $name (keys %command) {	780	for my $name (keys %COMMAND) {
674	my @cb = grep $_->[2] ne $pkg, @{ $command{$name} };	781	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
675		782
676	if (@cb) {	783	if (@cb) {
677	$command{$name} = \@cb;	784	$COMMAND{$name} = \@cb;
678	$COMMAND{"$name\000"} = List::Util::max map $_->[0], @cb;
679	} else {	785	} else {
680	delete $command{$name};
681	delete $COMMAND{"$name\000"};	786	delete $COMMAND{$name};
682	}	787	}
683	}	788	}
684		789
685	# remove extcmds	790	# remove extcmds
686	for my $name (grep $extcmd{$_}[1] eq $pkg, keys %extcmd) {	791	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
687	delete $extcmd{$name};	792	delete $EXTCMD{$name};
688	}	793	}
689		794
690	if (my $cb = $pkg->can ("unload")) {	795	if (my $cb = $pkg->can ("unload")) {
691	eval {	796	eval {
692	$cb->($pkg);	797	$cb->($pkg);
…		…
696		801
697	Symbol::delete_package $pkg;	802	Symbol::delete_package $pkg;
698	}	803	}
699		804
700	sub load_extensions {	805	sub load_extensions {
701	my $LIBDIR = maps_directory "perl";
702
703	for my $ext (<$LIBDIR/*.ext>) {	806	for my $ext (<$LIBDIR/*.ext>) {
704	next unless -r $ext;	807	next unless -r $ext;
705	eval {	808	eval {
706	load_extension $ext;	809	load_extension $ext;
707	1	810	1
708	} or warn "$ext not loaded: $@";	811	} or warn "$ext not loaded: $@";
709	}	812	}
710	}	813	}
711		814
712	#############################################################################	815	#############################################################################
713	# extcmd framework, basically convert ext <msg>
714	# into pkg::->on_extcmd_arg1 (...) while shortcutting a few
715
716	attach_to_players
717	on_extcmd => sub {
718	my ($pl, $buf) = @_;
719
720	my $msg = eval { from_json $buf };
721
722	if (ref $msg) {
723	if (my $cb = $extcmd{$msg->{msgtype}}) {
724	if (my %reply = $cb->[0]->($pl, $msg)) {
725	$pl->ext_reply ($msg->{msgid}, %reply);
726	}
727	}
728	} else {
729	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
730	}
731
732	cf::override;
733	},
734	;
735
736	#############################################################################
737	# load/save/clean perl data associated with a map	816	# load/save/clean perl data associated with a map
738		817
739	*cf::mapsupport::on_clean = sub {	818	*cf::mapsupport::on_clean = sub {
740	my ($map) = @_;	819	my ($map) = @_;
741		820
…		…
743	defined $path or return;	822	defined $path or return;
744		823
745	unlink "$path.pst";	824	unlink "$path.pst";
746	};	825	};
747		826
748	attach_to_maps prio => -10000, package => cf::mapsupport::;	827	cf::map->attach (prio => -10000, package => cf::mapsupport::);
749		828
750	#############################################################################	829	#############################################################################
751	# load/save perl data associated with player->ob objects	830	# load/save perl data associated with player->ob objects
752		831
753	sub all_objects(@) {	832	sub all_objects(@) {
754	@_, map all_objects ($_->inv), @_	833	@_, map all_objects ($_->inv), @_
755	}	834	}
756		835
757	# TODO: compatibility cruft, remove when no longer needed	836	# TODO: compatibility cruft, remove when no longer needed
758	attach_to_players	837	cf::player->attach (
759	on_load => sub {	838	on_load => sub {
760	my ($pl, $path) = @_;	839	my ($pl, $path) = @_;
761		840
762	for my $o (all_objects $pl->ob) {	841	for my $o (all_objects $pl->ob) {
763	if (my $value = $o->get_ob_key_value ("_perl_data")) {	842	if (my $value = $o->get_ob_key_value ("_perl_data")) {
…		…
765		844
766	%$o = %{ Storable::thaw pack "H*", $value };	845	%$o = %{ Storable::thaw pack "H*", $value };
767	}	846	}
768	}	847	}
769	},	848	},
770	;	849	);
771		850
772	#############################################################################	851	#############################################################################
773		852
774	=head2 CORE EXTENSIONS	853	=head2 CORE EXTENSIONS
775		854
776	Functions and methods that extend core crossfire objects.	855	Functions and methods that extend core crossfire objects.
		856
		857	=head3 cf::player
777		858
778	=over 4	859	=over 4
779		860
780	=item cf::player::exists $login	861	=item cf::player::exists $login
781		862
…		…
786	sub cf::player::exists($) {	867	sub cf::player::exists($) {
787	cf::player::find $_[0]	868	cf::player::find $_[0]
788	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	869	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
789	}	870	}
790		871
		872	=item $player->ext_reply ($msgid, $msgtype, %msg)
		873
		874	Sends an ext reply to the player.
		875
		876	=cut
		877
		878	sub cf::player::ext_reply($$$%) {
		879	my ($self, $id, %msg) = @_;
		880
		881	$msg{msgid} = $id;
		882
		883	$self->send ("ext " . to_json \%msg);
		884	}
		885
		886	=back
		887
		888	=head3 cf::object::player
		889
		890	=over 4
		891
791	=item $player_object->reply ($npc, $msg[, $flags])	892	=item $player_object->reply ($npc, $msg[, $flags])
792		893
793	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	894	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
794	can be C<undef>. Does the right thing when the player is currently in a	895	can be C<undef>. Does the right thing when the player is currently in a
795	dialogue with the given NPC character.	896	dialogue with the given NPC character.
796		897
797	=cut	898	=cut
798		899
799	# rough implementation of a future "reply" method that works	900	# rough implementation of a future "reply" method that works
800	# with dialog boxes.	901	# with dialog boxes.
		902	#TODO: the first argument must go, split into a $npc->reply_to ( method
801	sub cf::object::player::reply($$$;$) {	903	sub cf::object::player::reply($$$;$) {
802	my ($self, $npc, $msg, $flags) = @_;	904	my ($self, $npc, $msg, $flags) = @_;
803		905
804	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;	906	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;
805		907
…		…
809	$msg = $npc->name . " says: $msg" if $npc;	911	$msg = $npc->name . " says: $msg" if $npc;
810	$self->message ($msg, $flags);	912	$self->message ($msg, $flags);
811	}	913	}
812	}	914	}
813		915
814	=item $player->ext_reply ($msgid, $msgtype, %msg)
815
816	Sends an ext reply to the player.
817
818	=cut
819
820	sub cf::player::ext_reply($$$%) {
821	my ($self, $id, %msg) = @_;
822
823	$msg{msgid} = $id;
824
825	$self->send ("ext " . to_json \%msg);
826	}
827
828	=item $player_object->may ("access")	916	=item $player_object->may ("access")
829		917
830	Returns wether the given player is authorized to access resource "access"	918	Returns wether the given player is authorized to access resource "access"
831	(e.g. "command_wizcast").	919	(e.g. "command_wizcast").
832		920
…		…
839	(ref $cf::CFG{"may_$access"}	927	(ref $cf::CFG{"may_$access"}
840	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	928	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
841	: $cf::CFG{"may_$access"})	929	: $cf::CFG{"may_$access"})
842	}	930	}
843		931
844	=cut	932	=head3 cf::client
845		933
846	#############################################################################	934	=over 4
		935
		936	=item $client->send_drawinfo ($text, $flags)
		937
		938	Sends a drawinfo packet to the client. Circumvents output buffering so
		939	should not be used under normal circumstances.
		940
		941	=cut
		942
		943	sub cf::client::send_drawinfo {
		944	my ($self, $text, $flags) = @_;
		945
		946	utf8::encode $text;
		947	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);
		948	}
		949
		950
		951	=item $success = $client->query ($flags, "text", \&cb)
		952
		953	Queues a query to the client, calling the given callback with
		954	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
		955	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
		956
		957	Queries can fail, so check the return code. Or don't, as queries will become
		958	reliable at some point in the future.
		959
		960	=cut
		961
		962	sub cf::client::query {
		963	my ($self, $flags, $text, $cb) = @_;
		964
		965	return unless $self->state == ST_PLAYING
		966	\|\| $self->state == ST_SETUP
		967	\|\| $self->state == ST_CUSTOM;
		968
		969	$self->state (ST_CUSTOM);
		970
		971	utf8::encode $text;
		972	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
		973
		974	$self->send_packet ($self->{query_queue}[0][0])
		975	if @{ $self->{query_queue} } == 1;
		976	}
		977
		978	cf::client->attach (
		979	on_reply => sub {
		980	my ($ns, $msg) = @_;
		981
		982	# this weird shuffling is so that direct followup queries
		983	# get handled first
		984	my $queue = delete $ns->{query_queue};
		985
		986	(shift @$queue)->[1]->($msg);
		987
		988	push @{ $ns->{query_queue} }, @$queue;
		989
		990	if (@{ $ns->{query_queue} } == @$queue) {
		991	if (@$queue) {
		992	$ns->send_packet ($ns->{query_queue}[0][0]);
		993	} else {
		994	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
		995	}
		996	}
		997	},
		998	);
		999
		1000	=item $client->coro (\&cb)
		1001
		1002	Create a new coroutine, running the specified callback. The coroutine will
		1003	be automatically cancelled when the client gets destroyed (e.g. on logout,
		1004	or loss of connection).
		1005
		1006	=cut
		1007
		1008	sub cf::client::coro {
		1009	my ($self, $cb) = @_;
		1010
		1011	my $coro; $coro = async {
		1012	eval {
		1013	$cb->();
		1014	};
		1015	warn $@ if $@;
		1016	};
		1017
		1018	$coro->on_destroy (sub {
		1019	delete $self->{_coro}{$coro+0};
		1020	});
		1021
		1022	$self->{_coro}{$coro+0} = $coro;
		1023
		1024	$coro
		1025	}
		1026
		1027	cf::client->attach (
		1028	on_destroy => sub {
		1029	my ($ns) = @_;
		1030
		1031	$_->cancel for values %{ (delete $ns->{_coro}) \|\| {} };
		1032	},
		1033	);
		1034
		1035	=back
		1036
847		1037
848	=head2 SAFE SCRIPTING	1038	=head2 SAFE SCRIPTING
849		1039
850	Functions that provide a safe environment to compile and execute	1040	Functions that provide a safe environment to compile and execute
851	snippets of perl code without them endangering the safety of the server	1041	snippets of perl code without them endangering the safety of the server
…		…
866		1056
867	=pod	1057	=pod
868		1058
869	The following fucntions and emthods are available within a safe environment:	1059	The following fucntions and emthods are available within a safe environment:
870		1060
871	cf::object contr pay_amount pay_player	1061	cf::object contr pay_amount pay_player map
872	cf::object::player player	1062	cf::object::player player
873	cf::player peaceful	1063	cf::player peaceful
		1064	cf::map trigger
874		1065
875	=cut	1066	=cut
876		1067
877	for (	1068	for (
878	["cf::object" => qw(contr pay_amount pay_player)],	1069	["cf::object" => qw(contr pay_amount pay_player map)],
879	["cf::object::player" => qw(player)],	1070	["cf::object::player" => qw(player)],
880	["cf::player" => qw(peaceful)],	1071	["cf::player" => qw(peaceful)],
		1072	["cf::map" => qw(trigger)],
881	) {	1073	) {
882	no strict 'refs';	1074	no strict 'refs';
883	my ($pkg, @funs) = @$_;	1075	my ($pkg, @funs) = @$_;
884	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	1076	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
885	for @funs;	1077	for @funs;
…		…
1025	sub db_sync() {	1217	sub db_sync() {
1026	db_save if $dirty;	1218	db_save if $dirty;
1027	undef $dirty;	1219	undef $dirty;
1028	}	1220	}
1029		1221
1030	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, cb => sub {	1222	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1031	db_sync;	1223	db_sync;
1032	});	1224	});
1033		1225
1034	sub db_dirty() {	1226	sub db_dirty() {
1035	$dirty = 1;	1227	$dirty = 1;
…		…
1049	$DB->{$_[0]} = $_[1];	1241	$DB->{$_[0]} = $_[1];
1050	}	1242	}
1051	db_dirty;	1243	db_dirty;
1052	}	1244	}
1053		1245
1054	attach_global	1246	cf::global->attach (
1055	prio => 10000,	1247	prio => 10000,
1056	on_cleanup => sub {	1248	on_cleanup => sub {
1057	db_sync;	1249	db_sync;
1058	},	1250	},
1059	;	1251	);
1060	}	1252	}
1061		1253
1062	#############################################################################	1254	#############################################################################
1063	# the server's main()	1255	# the server's main()
1064		1256
…		…
1078	}	1270	}
1079		1271
1080	#############################################################################	1272	#############################################################################
1081	# initialisation	1273	# initialisation
1082		1274
1083	sub _perl_reload(&) {	1275	sub _perl_reload() {
1084	my ($msg) = @_;	1276	warn "reloading...";
1085
1086	$msg->("reloading...");
1087		1277
1088	eval {	1278	eval {
		1279	local $FREEZE = 1;
		1280
		1281	cf::emergency_save;
		1282
1089	# cancel all watchers	1283	# cancel all watchers
1090	$_->cancel for Event::all_watchers;	1284	for (Event::all_watchers) {
		1285	$_->cancel if $_->data & WF_AUTOCANCEL;
		1286	}
		1287
		1288	# cancel all extension coros
		1289	$_->cancel for values %EXT_CORO;
		1290	%EXT_CORO = ();
1091		1291
1092	# unload all extensions	1292	# unload all extensions
1093	for (@exts) {	1293	for (@exts) {
1094	$msg->("unloading <$_>");	1294	warn "unloading <$_>";
1095	unload_extension $_;	1295	unload_extension $_;
1096	}	1296	}
1097		1297
1098	# unload all modules loaded from $LIBDIR	1298	# unload all modules loaded from $LIBDIR
1099	while (my ($k, $v) = each %INC) {	1299	while (my ($k, $v) = each %INC) {
1100	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	1300	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1101		1301
1102	$msg->("removing <$k>");	1302	warn "removing <$k>";
1103	delete $INC{$k};	1303	delete $INC{$k};
1104		1304
1105	$k =~ s/\.pm$//;	1305	$k =~ s/\.pm$//;
1106	$k =~ s/\//::/g;	1306	$k =~ s/\//::/g;
1107		1307
…		…
1112	Symbol::delete_package $k;	1312	Symbol::delete_package $k;
1113	}	1313	}
1114		1314
1115	# sync database to disk	1315	# sync database to disk
1116	cf::db_sync;	1316	cf::db_sync;
		1317	IO::AIO::flush;
1117		1318
1118	# get rid of safe::, as good as possible	1319	# get rid of safe::, as good as possible
1119	Symbol::delete_package "safe::$_"	1320	Symbol::delete_package "safe::$_"
1120	for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region);	1321	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1121		1322
1122	# remove register_script_function callbacks	1323	# remove register_script_function callbacks
1123	# TODO	1324	# TODO
1124		1325
1125	# unload cf.pm "a bit"	1326	# unload cf.pm "a bit"
…		…
1128	# don't, removes xs symbols, too,	1329	# don't, removes xs symbols, too,
1129	# and global variables created in xs	1330	# and global variables created in xs
1130	#Symbol::delete_package __PACKAGE__;	1331	#Symbol::delete_package __PACKAGE__;
1131		1332
1132	# reload cf.pm	1333	# reload cf.pm
1133	$msg->("reloading cf.pm");	1334	warn "reloading cf.pm";
1134	require cf;	1335	require cf;
		1336	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1135		1337
1136	# load config and database again	1338	# load config and database again
1137	cf::cfg_load;	1339	cf::cfg_load;
1138	cf::db_load;	1340	cf::db_load;
1139		1341
1140	# load extensions	1342	# load extensions
1141	$msg->("load extensions");	1343	warn "load extensions";
1142	cf::load_extensions;	1344	cf::load_extensions;
1143		1345
1144	# reattach attachments to objects	1346	# reattach attachments to objects
1145	$msg->("reattach");	1347	warn "reattach";
1146	_global_reattach;	1348	_global_reattach;
1147	};	1349	};
1148	$msg->($@) if $@;	1350	warn $@ if $@;
1149		1351
1150	$msg->("reloaded");	1352	warn "reloaded";
1151	};	1353	};
1152		1354
1153	sub perl_reload() {	1355	sub perl_reload() {
1154	_perl_reload {	1356	_perl_reload;
1155	warn $_[0];
1156	print "$_[0]\n";
1157	};
1158	}	1357	}
1159		1358
		1359	register "<global>", __PACKAGE__;
		1360
1160	register_command "perl-reload", 0, sub {	1361	register_command "perl-reload" => sub {
1161	my ($who, $arg) = @_;	1362	my ($who, $arg) = @_;
1162		1363
1163	if ($who->flag (FLAG_WIZ)) {	1364	if ($who->flag (FLAG_WIZ)) {
		1365	$who->message ("reloading...");
1164	_perl_reload {	1366	_perl_reload;
1165	warn $_[0];
1166	$who->message ($_[0]);
1167	};
1168	}	1367	}
1169	};	1368	};
1170		1369
1171	register "<global>", __PACKAGE__;
1172
1173	unshift @INC, $LIBDIR;	1370	unshift @INC, $LIBDIR;
1174		1371
1175	$TICK_WATCHER = Event->timer (	1372	$TICK_WATCHER = Event->timer (
		1373	reentrant => 0,
1176	prio => 1,	1374	prio => 0,
1177	async => 1,
1178	at => $NEXT_TICK \|\| 1,	1375	at => $NEXT_TICK \|\| $TICK,
		1376	data => WF_AUTOCANCEL,
1179	cb => sub {	1377	cb => sub {
		1378	unless ($FREEZE) {
1180	cf::server_tick; # one server iteration	1379	cf::server_tick; # one server iteration
		1380	$RUNTIME += $TICK;
		1381	}
1181		1382
1182	my $NOW = Event::time;
1183	$NEXT_TICK += $TICK;	1383	$NEXT_TICK += $TICK;
1184		1384
1185	# if we are delayed by four ticks or more, skip them all	1385	# if we are delayed by four ticks or more, skip them all
1186	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;	1386	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1187		1387
1188	$TICK_WATCHER->at ($NEXT_TICK);	1388	$TICK_WATCHER->at ($NEXT_TICK);
1189	$TICK_WATCHER->start;	1389	$TICK_WATCHER->start;
1190	},	1390	},
1191	);	1391	);
…		…
1193	IO::AIO::max_poll_time $TICK * 0.2;	1393	IO::AIO::max_poll_time $TICK * 0.2;
1194		1394
1195	Event->io (fd => IO::AIO::poll_fileno,	1395	Event->io (fd => IO::AIO::poll_fileno,
1196	poll => 'r',	1396	poll => 'r',
1197	prio => 5,	1397	prio => 5,
		1398	data => WF_AUTOCANCEL,
1198	cb => \&IO::AIO::poll_cb);	1399	cb => \&IO::AIO::poll_cb);
1199		1400
		1401	# we must not ever block the main coroutine
		1402	$Coro::idle = sub {
		1403	#Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#
		1404	warn "FATAL: Coro::idle was called, major BUG\n";
		1405	(Coro::unblock_sub {
		1406	Event::one_event;
		1407	})->();
		1408	};
		1409
1200	1	1410	1
1201		1411

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.84 by root, Mon Dec 11 02:54:57 2006 UTC vs. Revision 1.105 by root, Sun Dec 31 17:17:23 2006 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.84 by root, Mon Dec 11 02:54:57 2006 UTC vs.
Revision 1.105 by root, Sun Dec 31 17:17:23 2006 UTC