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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.85 by root, Mon Dec 11 22:56:57 2006 UTC vs.
Revision 1.110 by root, Mon Jan 1 11:21:55 2007 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 Digest::MD5;
		21	use Fcntl;
10	use IO::AIO ();	22	use IO::AIO 2.31 ();
11	use YAML::Syck ();	23	use YAML::Syck ();
12	use Time::HiRes;	24	use Time::HiRes;
13	use Event;	25
14	$Event::Eval = 1; # no idea why this is required, but it is	26	use Event; $Event::Eval = 1; # no idea why this is required, but it is
15		27
16	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
17	$YAML::Syck::ImplicitUnicode = 1;	29	$YAML::Syck::ImplicitUnicode = 1;
18		30
19	use strict;	31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority
		32
		33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
20		34
21	our %COMMAND = ();	35	our %COMMAND = ();
22	our %COMMAND_TIME = ();	36	our %COMMAND_TIME = ();
23	our %EXTCMD = ();	37	our %EXTCMD = ();
24		38
25	_init_vars;
26
27	our @EVENT;	39	our @EVENT;
28	our $LIBDIR = maps_directory "perl";	40	our $LIBDIR = datadir . "/ext";
29		41
30	our $TICK = MAX_TIME * 1e-6;	42	our $TICK = MAX_TIME * 1e-6;
31	our $TICK_WATCHER;	43	our $TICK_WATCHER;
32	our $NEXT_TICK;	44	our $NEXT_TICK;
		45	our $NOW;
33		46
34	our %CFG;	47	our %CFG;
35		48
36	our $UPTIME; $UPTIME ||= time;	49	our $UPTIME; $UPTIME ||= time;
		50	our $RUNTIME;
		51
		52	our %MAP; # all maps
		53	our $LINK_MAP; # the special {link} map
		54	our $FREEZE;
		55	our $RANDOM_MAPS = cf::localdir . "/random";
		56	our %EXT_CORO;
		57
		58	binmode STDOUT;
		59	binmode STDERR;
		60
		61	# read virtual server time, if available
		62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {
		63	open my $fh, "<", cf::localdir . "/runtime"
		64	or die "unable to read runtime file: $!";
		65	$RUNTIME = <$fh> + 0.;
		66	}
		67
		68	mkdir cf::localdir;
		69	mkdir cf::localdir . "/" . cf::playerdir;
		70	mkdir cf::localdir . "/" . cf::tmpdir;
		71	mkdir cf::localdir . "/" . cf::uniquedir;
		72	mkdir $RANDOM_MAPS;
		73
		74	# a special map that is always available
		75	our $LINK_MAP;
		76
		77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];
37		78
38	#############################################################################	79	#############################################################################
39		80
40	=head2 GLOBAL VARIABLES	81	=head2 GLOBAL VARIABLES
41		82
42	=over 4	83	=over 4
43		84
44	=item $cf::UPTIME	85	=item $cf::UPTIME
45		86
46	The timestamp of the server start (so not actually an uptime).	87	The timestamp of the server start (so not actually an uptime).
		88
		89	=item $cf::RUNTIME
		90
		91	The time this server has run, starts at 0 and is increased by $cf::TICK on
		92	every server tick.
47		93
48	=item $cf::LIBDIR	94	=item $cf::LIBDIR
49		95
50	The perl library directory, where extensions and cf-specific modules can	96	The perl library directory, where extensions and cf-specific modules can
51	be found. It will be added to C<@INC> automatically.	97	be found. It will be added to C<@INC> automatically.
		98
		99	=item $cf::NOW
		100
		101	The time of the last (current) server tick.
52		102
53	=item $cf::TICK	103	=item $cf::TICK
54		104
55	The interval between server ticks, in seconds.	105	The interval between server ticks, in seconds.
56		106
…		…
64	=cut	114	=cut
65		115
66	BEGIN {	116	BEGIN {
67	*CORE::GLOBAL::warn = sub {	117	*CORE::GLOBAL::warn = sub {
68	my $msg = join "", @_;	118	my $msg = join "", @_;
		119	utf8::encode $msg;
		120
69	$msg .= "\n"	121	$msg .= "\n"
70	unless $msg =~ /\n$/;	122	unless $msg =~ /\n$/;
71		123
72	print STDERR "cfperl: $msg";
73	LOG llevError, "cfperl: $msg";	124	LOG llevError, "cfperl: $msg";
74	};	125	};
75	}	126	}
76		127
		128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
		129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
		130	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
		131	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
		132	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
77	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	133	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';
78		134
79	# we bless all objects into (empty) derived classes to force a method lookup	135	# we bless all objects into (empty) derived classes to force a method lookup
80	# within the Safe compartment.	136	# within the Safe compartment.
81	for my $pkg (qw(cf::object cf::object::player cf::player cf::map cf::party cf::region cf::arch cf::living)) {	137	for my $pkg (qw(
		138	cf::global cf::attachable
		139	cf::object cf::object::player
		140	cf::client cf::player
		141	cf::arch cf::living
		142	cf::map cf::party cf::region
		143	)) {
82	no strict 'refs';	144	no strict 'refs';
83	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	145	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
84	}	146	}
85		147
86	$Event::DIED = sub {	148	$Event::DIED = sub {
…		…
119	sub to_json($) {	181	sub to_json($) {
120	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
121	JSON::Syck::Dump $_[0]	183	JSON::Syck::Dump $_[0]
122	}	184	}
123		185
		186	=item cf::sync_job { BLOCK }
		187
		188	The design of crossfire+ requires that the main coro ($Coro::main) is
		189	always able to handle events or runnable, as crossfire+ is only partly
		190	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.
		191
		192	If it must be done, put the blocking parts into C<sync_job>. This will run
		193	the given BLOCK in another coroutine while waiting for the result. The
		194	server will be frozen during this time, so the block should either finish
		195	fast or be very important.
		196
		197	=cut
		198
		199	sub sync_job(&) {
		200	my ($job) = @_;
		201
		202	my $busy = 1;
		203	my @res;
		204
		205	my $coro = Coro::async {
		206	@res = eval { $job->() };
		207	warn $@ if $@;
		208	undef $busy;
		209	};
		210
		211	if ($Coro::current == $Coro::main) {
		212	# TODO: use suspend/resume instead
		213	local $FREEZE = 1;
		214	$coro->prio (Coro::PRIO_MAX);
		215	while ($busy) {
		216	Coro::cede_notself;
		217	Event::one_event unless Coro::nready;
		218	}
		219	} else {
		220	$coro->join;
		221	}
		222
		223	wantarray ? @res : $res[0]
		224	}
		225
		226	=item $coro = cf::coro { BLOCK }
		227
		228	Creates and returns a new coro. This coro is automcatially being canceled
		229	when the extension calling this is being unloaded.
		230
		231	=cut
		232
		233	sub coro(&) {
		234	my $cb = shift;
		235
		236	my $coro; $coro = async {
		237	eval {
		238	$cb->();
		239	};
		240	warn $@ if $@;
		241	};
		242
		243	$coro->on_destroy (sub {
		244	delete $EXT_CORO{$coro+0};
		245	});
		246	$EXT_CORO{$coro+0} = $coro;
		247
		248	$coro
		249	}
		250
		251	sub write_runtime {
		252	my $runtime = cf::localdir . "/runtime";
		253
		254	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		255	or return;
		256
		257	my $value = $cf::RUNTIME;
		258	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		259	and return;
		260
		261	aio_fsync $fh
		262	and return;
		263
		264	close $fh
		265	or return;
		266
		267	aio_rename "$runtime~", $runtime
		268	and return;
		269
		270	1
		271	}
		272
124	=back	273	=back
125		274
126	=cut	275	=cut
127		276
128	#############################################################################	277	#############################################################################
129		278
130	=head2 EVENTS AND OBJECT ATTACHMENTS	279	package cf::path;
		280
		281	sub new {
		282	my ($class, $path, $base) = @_;
		283
		284	$path = $path->as_string if ref $path;
		285
		286	my $self = bless { }, $class;
		287
		288	if ($path =~ s{^\?random/}{}) {
		289	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
		290	$self->{random} = cf::from_json $data;
		291	} else {
		292	if ($path =~ s{^~([^/]+)?}{}) {
		293	$self->{user_rel} = 1;
		294
		295	if (defined $1) {
		296	$self->{user} = $1;
		297	} elsif ($base =~ m{^~([^/]+)/}) {
		298	$self->{user} = $1;
		299	} else {
		300	warn "cannot resolve user-relative path without user <$path,$base>\n";
		301	}
		302	} elsif ($path =~ /^\//) {
		303	# already absolute
		304	} else {
		305	$base =~ s{[^/]+/?$}{};
		306	return $class->new ("$base/$path");
		307	}
		308
		309	for ($path) {
		310	redo if s{/\.?/}{/};
		311	redo if s{/[^/]+/\.\./}{/};
		312	}
		313	}
		314
		315	$self->{path} = $path;
		316
		317	$self
		318	}
		319
		320	# the name / primary key / in-game path
		321	sub as_string {
		322	my ($self) = @_;
		323
		324	$self->{user_rel} ? "~$self->{user}$self->{path}"
		325	: $self->{random} ? "?random/$self->{path}"
		326	: $self->{path}
		327	}
		328
		329	# the displayed name, this is a one way mapping
		330	sub visible_name {
		331	my ($self) = @_;
		332
		333	# if (my $rmp = $self->{random}) {
		334	# # todo: be more intelligent about this
		335	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
		336	# } else {
		337	$self->as_string
		338	# }
		339	}
		340
		341	# escape the /'s in the path
		342	sub _escaped_path {
		343	# ∕ is U+2215
		344	(my $path = $_[0]{path}) =~ s/\//∕/g;
		345	$path
		346	}
		347
		348	# the original (read-only) location
		349	sub load_path {
		350	my ($self) = @_;
		351
		352	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		353	}
		354
		355	# the temporary/swap location
		356	sub save_path {
		357	my ($self) = @_;
		358
		359	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
		360	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
		361	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
		362	}
		363
		364	# the unique path, might be eq to save_path
		365	sub uniq_path {
		366	my ($self) = @_;
		367
		368	$self->{user_rel} || $self->{random}
		369	? undef
		370	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
		371	}
		372
		373	# return random map parameters, or undef
		374	sub random_map_params {
		375	my ($self) = @_;
		376
		377	$self->{random}
		378	}
		379
		380	# this is somewhat ugly, but style maps do need special treatment
		381	sub is_style_map {
		382	$_[0]{path} =~ m{^/styles/}
		383	}
		384
		385	package cf;
		386
		387	#############################################################################
		388
		389	=head2 ATTACHABLE OBJECTS
		390
		391	Many objects in crossfire are so-called attachable objects. That means you can
		392	attach callbacks/event handlers (a collection of which is called an "attachment")
		393	to it. All such attachable objects support the following methods.
		394
		395	In the following description, CLASS can be any of C<global>, C<object>
		396	C<player>, C<client> or C<map> (i.e. the attachable objects in
		397	crossfire+).
131		398
132	=over 4	399	=over 4
133		400
134	=item $object->attach ($attachment, key => $value...)
135
136	=item $object->detach ($attachment)
137
138	Attach/detach a pre-registered attachment to an object.
139
140	=item $player->attach ($attachment, key => $value...)
141
142	=item $player->detach ($attachment)
143
144	Attach/detach a pre-registered attachment to a player.
145
146	=item $map->attach ($attachment, key => $value...)	401	=item $attachable->attach ($attachment, key => $value...)
147		402
148	=item $map->detach ($attachment)	403	=item $attachable->detach ($attachment)
149		404
150	Attach/detach a pre-registered attachment to a map.	405	Attach/detach a pre-registered attachment to a specific object and give it
		406	the specified key/value pairs as arguments.
151		407
152	=item $bool = $object->attached ($name)	408	Example, attach a minesweeper attachment to the given object, making it a
		409	10x10 minesweeper game:
153		410
154	=item $bool = $player->attached ($name)	411	$obj->attach (minesweeper => width => 10, height => 10);
155		412
156	=item $bool = $map->attached ($name)	413	=item $bool = $attachable->attached ($name)
157		414
158	Checks wether the named attachment is currently attached to the object.	415	Checks wether the named attachment is currently attached to the object.
159		416
160	=item cf::attach_global ...	417	=item cf::CLASS->attach ...
161		418
162	Attach handlers for global events.	419	=item cf::CLASS->detach ...
163		420
164	This and all following C<attach_*>-functions expect any number of the	421	Define an anonymous attachment and attach it to all objects of the given
165	following handler/hook descriptions:	422	CLASS. See the next function for an explanation of its arguments.
		423
		424	You can attach to global events by using the C<cf::global> class.
		425
		426	Example, log all player logins:
		427
		428	cf::player->attach (
		429	on_login => sub {
		430	my ($pl) = @_;
		431	...
		432	},
		433	);
		434
		435	Example, attach to the jeweler skill:
		436
		437	cf::object->attach (
		438	type => cf::SKILL,
		439	subtype => cf::SK_JEWELER,
		440	on_use_skill => sub {
		441	my ($sk, $ob, $part, $dir, $msg) = @_;
		442	...
		443	},
		444	);
		445
		446	=item cf::CLASS::attachment $name, ...
		447
		448	Register an attachment by C<$name> through which attachable objects of the
		449	given CLASS can refer to this attachment.
		450
		451	Some classes such as crossfire maps and objects can specify attachments
		452	that are attached at load/instantiate time, thus the need for a name.
		453
		454	These calls expect any number of the following handler/hook descriptions:
166		455
167	=over 4	456	=over 4
168		457
169	=item prio => $number	458	=item prio => $number
170		459
…		…
172	by another C<prio> setting). Lower priority handlers get executed	461	by another C<prio> setting). Lower priority handlers get executed
173	earlier. The default priority is C<0>, and many built-in handlers are	462	earlier. The default priority is C<0>, and many built-in handlers are
174	registered at priority C<-1000>, so lower priorities should not be used	463	registered at priority C<-1000>, so lower priorities should not be used
175	unless you know what you are doing.	464	unless you know what you are doing.
176		465
		466	=item type => $type
		467
		468	(Only for C<< cf::object->attach >> calls), limits the attachment to the
		469	given type of objects only (the additional parameter C<subtype> can be
		470	used to further limit to the given subtype).
		471
177	=item on_I<event> => \&cb	472	=item on_I<event> => \&cb
178		473
179	Call the given code reference whenever the named event happens (event is	474	Call the given code reference whenever the named event happens (event is
180	something like C<instantiate>, C<apply>, C<use_skill> and so on, and which	475	something like C<instantiate>, C<apply>, C<use_skill> and so on, and which
181	handlers are recognised generally depends on the type of object these	476	handlers are recognised generally depends on the type of object these
…		…
190	package and register them. Only handlers for eevents supported by the	485	package and register them. Only handlers for eevents supported by the
191	object/class are recognised.	486	object/class are recognised.
192		487
193	=back	488	=back
194		489
195	=item cf::attach_to_type $object_type, $subtype, ...	490	Example, define an attachment called "sockpuppet" that calls the given
		491	event handler when a monster attacks:
196		492
197	Attach handlers for a specific object type (e.g. TRANSPORT) and	493	cf::object::attachment sockpuppet =>
198	subtype. If C<$subtype> is zero or undef, matches all objects of the given	494	on_skill_attack => sub {
199	type.	495	my ($self, $victim) = @_;
200		496	...
201	=item cf::attach_to_objects ...
202
203	Attach handlers to all objects. Do not use this except for debugging or
204	very rare events, as handlers are (obviously) called for I<all> objects in
205	the game.
206
207	=item cf::attach_to_players ...
208
209	Attach handlers to all players.
210
211	=item cf::attach_to_maps ...
212
213	Attach handlers to all maps.
214
215	=item cf:register_attachment $name, ...
216
217	Register an attachment by name through which objects can refer to this
218	attachment.
219
220	=item cf:register_player_attachment $name, ...
221
222	Register an attachment by name through which players can refer to this
223	attachment.
224
225	=item cf:register_map_attachment $name, ...
226
227	Register an attachment by name through which maps can refer to this
228	attachment.
229
230	=cut
231
232	# the following variables are defined in .xs and must not be re-created
233	our @CB_GLOBAL = (); # registry for all global events
234	our @CB_OBJECT = (); # all objects (should not be used except in emergency)
235	our @CB_PLAYER = ();
236	our @CB_TYPE = (); # registry for type (cf-object class) based events
237	our @CB_MAP = ();
238
239	my %attachment;
240
241	sub _attach_cb($\%$$$) {
242	my ($registry, $undo, $event, $prio, $cb) = @_;
243
244	use sort 'stable';
245
246	$cb = [$prio, $cb];
247
248	@{$registry->[$event]} = sort
249	{ $a->[0] cmp $b->[0] }
250	@{$registry->[$event] || []}, $cb;
251
252	push @{$undo->{cb}}, [$event, $cb];
253	}
254
255	# attach handles attaching event callbacks
256	# the only thing the caller has to do is pass the correct
257	# registry (== where the callback attaches to).
258	sub _attach(\@$@) {
259	my ($registry, $klass, @arg) = @_;
260
261	my $prio = 0;
262
263	my %undo = (
264	registry => $registry,
265	cb => [],
266	);
267
268	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;
269
270	while (@arg) {
271	my $type = shift @arg;
272
273	if ($type eq "prio") {
274	$prio = shift @arg;
275
276	} elsif ($type eq "package") {
277	my $pkg = shift @arg;
278
279	while (my ($name, $id) = each %cb_id) {
280	if (my $cb = $pkg->can ($name)) {
281	_attach_cb $registry, %undo, $id, $prio, $cb;
282	}
283	}	497	}
284
285	} elsif (exists $cb_id{$type}) {
286	_attach_cb $registry, %undo, $cb_id{$type}, $prio, shift @arg;
287
288	} elsif (ref $type) {
289	warn "attaching objects not supported, ignoring.\n";
290
291	} else {
292	shift @arg;
293	warn "attach argument '$type' not supported, ignoring.\n";
294	}
295	}
296
297	\%undo
298	}
299
300	sub _attach_attachment {
301	my ($obj, $name, %arg) = @_;
302
303	return if exists $obj->{_attachment}{$name};
304
305	my $res;
306
307	if (my $attach = $attachment{$name}) {
308	my $registry = $obj->registry;
309
310	for (@$attach) {
311	my ($klass, @attach) = @$_;
312	$res = _attach @$registry, $klass, @attach;
313	}
314
315	$obj->{$name} = \%arg;
316	} else {
317	warn "object uses attachment '$name' that is not available, postponing.\n";
318	}
319
320	$obj->{_attachment}{$name} = undef;
321
322	$res->{attachment} = $name;
323	$res
324	}
325
326	*cf::object::attach =
327	*cf::player::attach =
328	*cf::map::attach = sub {
329	my ($obj, $name, %arg) = @_;
330
331	_attach_attachment $obj, $name, %arg;
332	};
333
334	# all those should be optimised
335	*cf::object::detach =
336	*cf::player::detach =
337	*cf::map::detach = sub {
338	my ($obj, $name) = @_;
339
340	delete $obj->{_attachment}{$name};
341	reattach ($obj);
342	};
343
344	*cf::object::attached =
345	*cf::player::attached =
346	*cf::map::attached = sub {
347	my ($obj, $name) = @_;
348
349	exists $obj->{_attachment}{$name}
350	};
351
352	sub attach_global {
353	_attach @CB_GLOBAL, KLASS_GLOBAL, @_
354	}
355
356	sub attach_to_type {
357	my $type = shift;
358	my $subtype = shift;
359
360	_attach @{$CB_TYPE[$type + $subtype * NUM_SUBTYPES]}, KLASS_OBJECT, @_
361	}
362
363	sub attach_to_objects {
364	_attach @CB_OBJECT, KLASS_OBJECT, @_
365	}
366
367	sub attach_to_players {
368	_attach @CB_PLAYER, KLASS_PLAYER, @_
369	}
370
371	sub attach_to_maps {
372	_attach @CB_MAP, KLASS_MAP, @_
373	}
374
375	sub register_attachment {
376	my $name = shift;
377
378	$attachment{$name} = [[KLASS_OBJECT, @_]];
379	}
380
381	sub register_player_attachment {
382	my $name = shift;
383
384	$attachment{$name} = [[KLASS_PLAYER, @_]];
385	}
386
387	sub register_map_attachment {
388	my $name = shift;
389
390	$attachment{$name} = [[KLASS_MAP, @_]];
391	}
392
393	our $override;
394	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
395
396	sub override {
397	$override = 1;
398	@invoke_results = ();
399	}
400
401	sub do_invoke {
402	my $event = shift;
403	my $callbacks = shift;
404
405	@invoke_results = ();
406
407	local $override;
408
409	for (@$callbacks) {
410	eval { &{$_->[1]} };
411
412	if ($@) {
413	warn "$@";
414	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
415	override;
416	}
417
418	return 1 if $override;
419	}
420
421	0	498	}
422	}
423		499
424	=item $bool = cf::invoke EVENT_GLOBAL_XXX, ...	500	=item $attachable->valid
425
426	=item $bool = $object->invoke (EVENT_OBJECT_XXX, ...)
427
428	=item $bool = $player->invoke (EVENT_PLAYER_XXX, ...)
429
430	=item $bool = $map->invoke (EVENT_MAP_XXX, ...)
431
432	Generate a global/object/player/map-specific event with the given arguments.
433
434	This API is preliminary (most likely, the EVENT_KLASS_xxx prefix will be
435	removed in future versions), and there is no public API to access override
436	results (if you must, access C<@cf::invoke_results> directly).
437
438	=back
439
440	=cut
441
442	#############################################################################
443
444	=head2 METHODS VALID FOR ALL CORE OBJECTS
445
446	=over 4
447
448	=item $object->valid, $player->valid, $map->valid
449		501
450	Just because you have a perl object does not mean that the corresponding	502	Just because you have a perl object does not mean that the corresponding
451	C-level object still exists. If you try to access an object that has no	503	C-level object still exists. If you try to access an object that has no
452	valid C counterpart anymore you get an exception at runtime. This method	504	valid C counterpart anymore you get an exception at runtime. This method
453	can be used to test for existence of the C object part without causing an	505	can be used to test for existence of the C object part without causing an
454	exception.	506	exception.
455		507
		508	=cut
		509
		510	# the following variables are defined in .xs and must not be re-created
		511	our @CB_GLOBAL = (); # registry for all global events
		512	our @CB_ATTACHABLE = (); # registry for all attachables
		513	our @CB_OBJECT = (); # all objects (should not be used except in emergency)
		514	our @CB_PLAYER = ();
		515	our @CB_CLIENT = ();
		516	our @CB_TYPE = (); # registry for type (cf-object class) based events
		517	our @CB_MAP = ();
		518
		519	my %attachment;
		520
		521	sub _attach_cb($$$$) {
		522	my ($registry, $event, $prio, $cb) = @_;
		523
		524	use sort 'stable';
		525
		526	$cb = [$prio, $cb];
		527
		528	@{$registry->[$event]} = sort
		529	{ $a->[0] cmp $b->[0] }
		530	@{$registry->[$event] || []}, $cb;
		531	}
		532
		533	# hack
		534	my %attachable_klass = map +($_ => 1), KLASS_OBJECT, KLASS_CLIENT, KLASS_PLAYER, KLASS_MAP;
		535
		536	# attach handles attaching event callbacks
		537	# the only thing the caller has to do is pass the correct
		538	# registry (== where the callback attaches to).
		539	sub _attach {
		540	my ($registry, $klass, @arg) = @_;
		541
		542	my $object_type;
		543	my $prio = 0;
		544	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;
		545
		546	#TODO: get rid of this hack
		547	if ($attachable_klass{$klass}) {
		548	%cb_id = (%cb_id, map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == KLASS_ATTACHABLE, 0 .. $#EVENT);
		549	}
		550
		551	while (@arg) {
		552	my $type = shift @arg;
		553
		554	if ($type eq "prio") {
		555	$prio = shift @arg;
		556
		557	} elsif ($type eq "type") {
		558	$object_type = shift @arg;
		559	$registry = $CB_TYPE[$object_type] ||= [];
		560
		561	} elsif ($type eq "subtype") {
		562	defined $object_type or Carp::croak "subtype specified without type";
		563	my $object_subtype = shift @arg;
		564	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];
		565
		566	} elsif ($type eq "package") {
		567	my $pkg = shift @arg;
		568
		569	while (my ($name, $id) = each %cb_id) {
		570	if (my $cb = $pkg->can ($name)) {
		571	_attach_cb $registry, $id, $prio, $cb;
		572	}
		573	}
		574
		575	} elsif (exists $cb_id{$type}) {
		576	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
		577
		578	} elsif (ref $type) {
		579	warn "attaching objects not supported, ignoring.\n";
		580
		581	} else {
		582	shift @arg;
		583	warn "attach argument '$type' not supported, ignoring.\n";
		584	}
		585	}
		586	}
		587
		588	sub _object_attach {
		589	my ($obj, $name, %arg) = @_;
		590
		591	return if exists $obj->{_attachment}{$name};
		592
		593	if (my $attach = $attachment{$name}) {
		594	my $registry = $obj->registry;
		595
		596	for (@$attach) {
		597	my ($klass, @attach) = @$_;
		598	_attach $registry, $klass, @attach;
		599	}
		600
		601	$obj->{$name} = \%arg;
		602	} else {
		603	warn "object uses attachment '$name' that is not available, postponing.\n";
		604	}
		605
		606	$obj->{_attachment}{$name} = undef;
		607	}
		608
		609	sub cf::attachable::attach {
		610	if (ref $_[0]) {
		611	_object_attach @_;
		612	} else {
		613	_attach shift->_attach_registry, @_;
		614	}
		615	};
		616
		617	# all those should be optimised
		618	sub cf::attachable::detach {
		619	my ($obj, $name) = @_;
		620
		621	if (ref $obj) {
		622	delete $obj->{_attachment}{$name};
		623	reattach ($obj);
		624	} else {
		625	Carp::croak "cannot, currently, detach class attachments";
		626	}
		627	};
		628
		629	sub cf::attachable::attached {
		630	my ($obj, $name) = @_;
		631
		632	exists $obj->{_attachment}{$name}
		633	}
		634
		635	for my $klass (qw(ATTACHABLE GLOBAL OBJECT PLAYER CLIENT MAP)) {
		636	eval "#line " . __LINE__ . " 'cf.pm'
		637	sub cf::\L$klass\E::_attach_registry {
		638	(\\\@CB_$klass, KLASS_$klass)
		639	}
		640
		641	sub cf::\L$klass\E::attachment {
		642	my \$name = shift;
		643
		644	\$attachment{\$name} = [[KLASS_$klass, \@_]];
		645	}
		646	";
		647	die if $@;
		648	}
		649
		650	our $override;
		651	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
		652
		653	sub override {
		654	$override = 1;
		655	@invoke_results = ();
		656	}
		657
		658	sub do_invoke {
		659	my $event = shift;
		660	my $callbacks = shift;
		661
		662	@invoke_results = ();
		663
		664	local $override;
		665
		666	for (@$callbacks) {
		667	eval { &{$_->[1]} };
		668
		669	if ($@) {
		670	warn "$@";
		671	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
		672	override;
		673	}
		674
		675	return 1 if $override;
		676	}
		677
		678	0
		679	}
		680
		681	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)
		682
		683	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
		684
		685	Generate an object-specific event with the given arguments.
		686
		687	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
		688	removed in future versions), and there is no public API to access override
		689	results (if you must, access C<@cf::invoke_results> directly).
		690
456	=back	691	=back
457		692
458	=cut	693	=cut
459
460	*cf::object::valid =
461	*cf::player::valid =
462	*cf::map::valid = \&cf::_valid;
463		694
464	#############################################################################	695	#############################################################################
465	# object support	696	# object support
466		697
467	sub instantiate {
468	my ($obj, $data) = @_;
469
470	$data = from_json $data;
471
472	for (@$data) {
473	my ($name, $args) = @$_;
474
475	$obj->attach ($name, %{$args || {} });
476	}
477	}
478
479	# basically do the same as instantiate, without calling instantiate
480	sub reattach {	698	sub reattach {
		699	# basically do the same as instantiate, without calling instantiate
481	my ($obj) = @_;	700	my ($obj) = @_;
		701
482	my $registry = $obj->registry;	702	my $registry = $obj->registry;
483		703
484	@$registry = ();	704	@$registry = ();
485		705
486	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} };	706	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} };
487		707
488	for my $name (keys %{ $obj->{_attachment} || {} }) {	708	for my $name (keys %{ $obj->{_attachment} || {} }) {
489	if (my $attach = $attachment{$name}) {	709	if (my $attach = $attachment{$name}) {
490	for (@$attach) {	710	for (@$attach) {
491	my ($klass, @attach) = @$_;	711	my ($klass, @attach) = @$_;
492	_attach @$registry, $klass, @attach;	712	_attach $registry, $klass, @attach;
493	}	713	}
494	} else {	714	} else {
495	warn "object uses attachment '$name' that is not available, postponing.\n";	715	warn "object uses attachment '$name' that is not available, postponing.\n";
496	}	716	}
497	}	717	}
498	}	718	}
499		719
500	sub object_freezer_save {	720	cf::attachable->attach (
501	my ($filename, $rdata, $objs) = @_;
502
503	if (length $$rdata) {
504	warn sprintf "saving %s (%d,%d)\n",
505	$filename, length $$rdata, scalar @$objs;
506
507	if (open my $fh, ">:raw", "$filename~") {
508	chmod SAVE_MODE, $fh;
509	syswrite $fh, $$rdata;
510	close $fh;
511
512	if (@$objs && open my $fh, ">:raw", "$filename.pst~") {
513	chmod SAVE_MODE, $fh;
514	syswrite $fh, Storable::nfreeze { version => 1, objs => $objs };
515	close $fh;
516	rename "$filename.pst~", "$filename.pst";
517	} else {
518	unlink "$filename.pst";
519	}
520
521	rename "$filename~", $filename;
522	} else {
523	warn "FATAL: $filename~: $!\n";
524	}
525	} else {
526	unlink $filename;
527	unlink "$filename.pst";
528	}
529	}
530
531	sub object_freezer_as_string {
532	my ($rdata, $objs) = @_;
533
534	use Data::Dumper;
535
536	$$rdata . Dumper $objs
537	}
538
539	sub object_thawer_load {
540	my ($filename) = @_;
541
542	local $/;
543
544	my $av;
545
546	#TODO: use sysread etc.
547	if (open my $data, "<:raw:perlio", $filename) {
548	$data = <$data>;
549	if (open my $pst, "<:raw:perlio", "$filename.pst") {
550	$av = eval { (Storable::thaw <$pst>)->{objs} };
551	}
552	return ($data, $av);
553	}
554
555	()
556	}
557
558	attach_to_objects
559	prio => -1000000,	721	prio => -1000000,
		722	on_instantiate => sub {
		723	my ($obj, $data) = @_;
		724
		725	$data = from_json $data;
		726
		727	for (@$data) {
		728	my ($name, $args) = @$_;
		729
		730	$obj->attach ($name, %{$args || {} });
		731	}
		732	},
		733	on_reattach => \&reattach,
560	on_clone => sub {	734	on_clone => sub {
561	my ($src, $dst) = @_;	735	my ($src, $dst) = @_;
562		736
563	@{$dst->registry} = @{$src->registry};	737	@{$dst->registry} = @{$src->registry};
564		738
565	%$dst = %$src;	739	%$dst = %$src;
566		740
567	%{$dst->{_attachment}} = %{$src->{_attachment}}	741	%{$dst->{_attachment}} = %{$src->{_attachment}}
568	if exists $src->{_attachment};	742	if exists $src->{_attachment};
569	},	743	},
570	;	744	);
		745
		746	sub object_freezer_save {
		747	my ($filename, $rdata, $objs) = @_;
		748
		749	sync_job {
		750	if (length $$rdata) {
		751	warn sprintf "saving %s (%d,%d)\n",
		752	$filename, length $$rdata, scalar @$objs;
		753
		754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
		755	chmod SAVE_MODE, $fh;
		756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		757	aio_fsync $fh;
		758	close $fh;
		759
		760	if (@$objs) {
		761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
		762	chmod SAVE_MODE, $fh;
		763	my $data = Storable::nfreeze { version => 1, objs => $objs };
		764	aio_write $fh, 0, (length $data), $data, 0;
		765	aio_fsync $fh;
		766	close $fh;
		767	aio_rename "$filename.pst~", "$filename.pst";
		768	}
		769	} else {
		770	aio_unlink "$filename.pst";
		771	}
		772
		773	aio_rename "$filename~", $filename;
		774	} else {
		775	warn "FATAL: $filename~: $!\n";
		776	}
		777	} else {
		778	aio_unlink $filename;
		779	aio_unlink "$filename.pst";
		780	}
		781	}
		782	}
		783
		784	sub object_freezer_as_string {
		785	my ($rdata, $objs) = @_;
		786
		787	use Data::Dumper;
		788
		789	$$rdata . Dumper $objs
		790	}
		791
		792	sub object_thawer_load {
		793	my ($filename) = @_;
		794
		795	my ($data, $av);
		796
		797	(aio_load $filename, $data) >= 0
		798	or return;
		799
		800	unless (aio_stat "$filename.pst") {
		801	(aio_load "$filename.pst", $av) >= 0
		802	or return;
		803	$av = eval { (Storable::thaw <$av>)->{objs} };
		804	}
		805
		806	return ($data, $av);
		807	}
571		808
572	#############################################################################	809	#############################################################################
573	# command handling &c	810	# command handling &c
574		811
575	=item cf::register_command $name => \&callback($ob,$args);	812	=item cf::register_command $name => \&callback($ob,$args);
…		…
604	#warn "registering extcmd '$name' to '$caller'";	841	#warn "registering extcmd '$name' to '$caller'";
605		842
606	$EXTCMD{$name} = [$cb, $caller];	843	$EXTCMD{$name} = [$cb, $caller];
607	}	844	}
608		845
609	attach_to_players	846	cf::player->attach (
610	on_command => sub {	847	on_command => sub {
611	my ($pl, $name, $params) = @_;	848	my ($pl, $name, $params) = @_;
612		849
613	my $cb = $COMMAND{$name}	850	my $cb = $COMMAND{$name}
614	or return;	851	or return;
…		…
634	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	871	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
635	}	872	}
636		873
637	cf::override;	874	cf::override;
638	},	875	},
639	;	876	);
640		877
641	sub register {	878	sub register {
642	my ($base, $pkg) = @_;	879	my ($base, $pkg) = @_;
643		880
644	#TODO	881	#TODO
…		…
713		950
714	Symbol::delete_package $pkg;	951	Symbol::delete_package $pkg;
715	}	952	}
716		953
717	sub load_extensions {	954	sub load_extensions {
718	my $LIBDIR = maps_directory "perl";
719
720	for my $ext (<$LIBDIR/*.ext>) {	955	for my $ext (<$LIBDIR/*.ext>) {
721	next unless -r $ext;	956	next unless -r $ext;
722	eval {	957	eval {
723	load_extension $ext;	958	load_extension $ext;
724	1	959	1
…		…
736	defined $path or return;	971	defined $path or return;
737		972
738	unlink "$path.pst";	973	unlink "$path.pst";
739	};	974	};
740		975
741	attach_to_maps prio => -10000, package => cf::mapsupport::;	976	cf::map->attach (prio => -10000, package => cf::mapsupport::);
742		977
743	#############################################################################	978	#############################################################################
744	# load/save perl data associated with player->ob objects	979	# load/save perl data associated with player->ob objects
745		980
746	sub all_objects(@) {	981	sub all_objects(@) {
747	@_, map all_objects ($_->inv), @_	982	@_, map all_objects ($_->inv), @_
748	}	983	}
749		984
750	# TODO: compatibility cruft, remove when no longer needed	985	# TODO: compatibility cruft, remove when no longer needed
751	attach_to_players	986	cf::player->attach (
752	on_load => sub {	987	on_load => sub {
753	my ($pl, $path) = @_;	988	my ($pl, $path) = @_;
754		989
755	for my $o (all_objects $pl->ob) {	990	for my $o (all_objects $pl->ob) {
756	if (my $value = $o->get_ob_key_value ("_perl_data")) {	991	if (my $value = $o->get_ob_key_value ("_perl_data")) {
…		…
758		993
759	%$o = %{ Storable::thaw pack "H*", $value };	994	%$o = %{ Storable::thaw pack "H*", $value };
760	}	995	}
761	}	996	}
762	},	997	},
763	;	998	);
764		999
765	#############################################################################	1000	#############################################################################
766		1001
767	=head2 CORE EXTENSIONS	1002	=head2 CORE EXTENSIONS
768		1003
769	Functions and methods that extend core crossfire objects.	1004	Functions and methods that extend core crossfire objects.
		1005
		1006	=head3 cf::player
770		1007
771	=over 4	1008	=over 4
772		1009
773	=item cf::player::exists $login	1010	=item cf::player::exists $login
774		1011
…		…
779	sub cf::player::exists($) {	1016	sub cf::player::exists($) {
780	cf::player::find $_[0]	1017	cf::player::find $_[0]
781	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	1018	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
782	}	1019	}
783		1020
		1021	=item $player->ext_reply ($msgid, $msgtype, %msg)
		1022
		1023	Sends an ext reply to the player.
		1024
		1025	=cut
		1026
		1027	sub cf::player::ext_reply($$$%) {
		1028	my ($self, $id, %msg) = @_;
		1029
		1030	$msg{msgid} = $id;
		1031
		1032	$self->send ("ext " . to_json \%msg);
		1033	}
		1034
		1035	=back
		1036
		1037
		1038	=head3 cf::map
		1039
		1040	=over 4
		1041
		1042	=cut
		1043
		1044	package cf::map;
		1045
		1046	use Fcntl;
		1047	use Coro::AIO;
		1048
		1049	our $MAX_RESET = 7200;
		1050	our $DEFAULT_RESET = 3600;
		1051	$MAX_RESET = 10;#d#
		1052	$DEFAULT_RESET = 10;#d#
		1053
		1054	sub generate_random_map {
		1055	my ($path, $rmp) = @_;
		1056
		1057	# mit "rum" bekleckern, nicht
		1058	cf::map::_create_random_map
		1059	$path,
		1060	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
		1061	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
		1062	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
		1063	$rmp->{exit_on_final_map},
		1064	$rmp->{xsize}, $rmp->{ysize},
		1065	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
		1066	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
		1067	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
		1068	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
		1069	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
		1070	(cf::region::find $rmp->{region})
		1071	}
		1072
		1073	# and all this just because we cannot iterate over
		1074	# all maps in C++...
		1075	sub change_all_map_light {
		1076	my ($change) = @_;
		1077
		1078	$_->change_map_light ($change) for values %cf::MAP;
		1079	}
		1080
		1081	sub try_load_header($) {
		1082	my ($path) = @_;
		1083
		1084	utf8::encode $path;
		1085	aio_open $path, O_RDONLY, 0
		1086	or return;
		1087
		1088	my $map = cf::map::new
		1089	or return;
		1090
		1091	$map->load_header ($path)
		1092	or return;
		1093
		1094	$map->{load_path} = $path;
		1095	use Data::Dumper; warn Dumper $map;#d#
		1096
		1097	$map
		1098	}
		1099
		1100	sub find_map {
		1101	my ($path, $origin) = @_;
		1102
		1103	#warn "find_map<$path,$origin>\n";#d#
		1104
		1105	$path = ref $path ? $path : new cf::path $path, $origin && $origin->path;
		1106	my $key = $path->as_string;
		1107
		1108	$cf::MAP{$key} || do {
		1109	# do it the slow way
		1110	my $map = try_load_header $path->save_path;
		1111
		1112	if ($map) {
		1113	# safety
		1114	$map->{instantiate_time} = $cf::RUNTIME
		1115	if $map->{instantiate_time} > $cf::RUNTIME;
		1116	} else {
		1117	if (my $rmp = $path->random_map_params) {
		1118	$map = generate_random_map $key, $rmp;
		1119	} else {
		1120	$map = try_load_header $path->load_path;
		1121	}
		1122
		1123	$map or return;
		1124
		1125	$map->{instantiate_time} = $cf::RUNTIME;
		1126	$map->instantiate;
		1127
		1128	# per-player maps become, after loading, normal maps
		1129	$map->per_player (0) if $path->{user_rel};
		1130	}
		1131
		1132	$map->path ($key);
		1133	$map->{path} = $path;
		1134	$map->last_access ($cf::RUNTIME);
		1135
		1136	$map->reset if $map->should_reset;
		1137
		1138	$cf::MAP{$key} = $map
		1139	}
		1140	}
		1141
		1142	sub load {
		1143	my ($self) = @_;
		1144
		1145	return if $self->in_memory != cf::MAP_SWAPPED;
		1146
		1147	$self->in_memory (cf::MAP_LOADING);
		1148
		1149	my $path = $self->{path};
		1150
		1151	$self->alloc;
		1152	$self->load_objects ($self->{load_path}, 1)
		1153	or return;
		1154
		1155	if (my $uniq = $path->uniq_path) {
		1156	utf8::encode $uniq;
		1157	if (aio_open $uniq, O_RDONLY, 0) {
		1158	$self->clear_unique_items;
		1159	$self->load_objects ($uniq, 0);
		1160	}
		1161	}
		1162
		1163	# now do the right thing for maps
		1164	$self->link_multipart_objects;
		1165
		1166	if ($self->{path}->is_style_map) {
		1167	$self->{deny_save} = 1;
		1168	$self->{deny_reset} = 1;
		1169	} else {
		1170	$self->fix_auto_apply;
		1171	$self->decay_objects;
		1172	$self->update_buttons;
		1173	$self->set_darkness_map;
		1174	$self->difficulty ($self->estimate_difficulty)
		1175	unless $self->difficulty;
		1176	$self->activate;
		1177	}
		1178
		1179	$self->in_memory (cf::MAP_IN_MEMORY);
		1180	}
		1181
		1182	sub load_map_sync {
		1183	my ($path, $origin) = @_;
		1184
		1185	#warn "load_map_sync<$path, $origin>\n";#d#
		1186
		1187	cf::sync_job {
		1188	my $map = cf::map::find_map $path, $origin
		1189	or return;
		1190	$map->load;
		1191	$map
		1192	}
		1193	}
		1194
		1195	sub save {
		1196	my ($self) = @_;
		1197
		1198	my $save = $self->{path}->save_path; utf8::encode $save;
		1199	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
		1200
		1201	$self->{last_save} = $cf::RUNTIME;
		1202
		1203	return unless $self->dirty;
		1204
		1205	$self->{load_path} = $save;
		1206
		1207	return if $self->{deny_save};
		1208
		1209	warn "saving map ", $self->path;
		1210
		1211	if ($uniq) {
		1212	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		1213	$self->save_objects ($uniq, cf::IO_UNIQUES);
		1214	} else {
		1215	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		1216	}
		1217	}
		1218
		1219	sub swap_out {
		1220	my ($self) = @_;
		1221
		1222	return if $self->players;
		1223	return if $self->in_memory != cf::MAP_IN_MEMORY;
		1224	return if $self->{deny_save};
		1225
		1226	$self->save;
		1227	$self->clear;
		1228	$self->in_memory (cf::MAP_SWAPPED);
		1229	}
		1230
		1231	sub should_reset {
		1232	my ($map) = @_;
		1233
		1234	# TODO: safety, remove and allow resettable per-player maps
		1235	return if $map->{path}{user_rel};#d#
		1236	return if $map->{deny_reset};
		1237	#return unless $map->reset_timeout;
		1238
		1239	my $time = $map->fixed_resettime ? $map->{instantiate_time} : $map->last_access;
		1240
		1241	$time + ($map->reset_timeout || $DEFAULT_RESET) < $cf::RUNTIME
		1242	}
		1243
		1244	sub reset {
		1245	my ($self) = @_;
		1246
		1247	return if $self->players;
		1248	return if $self->{path}{user_rel};#d#
		1249
		1250	warn "resetting map ", $self->path;#d#
		1251
		1252	utf8::encode (my $save = $self->{path}->save_path);
		1253	aioreq_pri 3; IO::AIO::aio_unlink $save;
		1254	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
		1255
		1256	$_->clear_links_to ($self) for values %cf::MAP;
		1257
		1258	$self->clear;
		1259	$self->in_memory (cf::MAP_SWAPPED);
		1260	utf8::encode ($self->{load_path} = $self->{path}->load_path);
		1261	}
		1262
		1263	sub customise_for {
		1264	my ($map, $ob) = @_;
		1265
		1266	if ($map->per_player) {
		1267	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};
		1268	}
		1269
		1270	$map
		1271	}
		1272
		1273	sub emergency_save {
		1274	local $cf::FREEZE = 1;
		1275
		1276	warn "enter emergency map save\n";
		1277
		1278	cf::sync_job {
		1279	warn "begin emergency map save\n";
		1280	$_->save for values %cf::MAP;
		1281	};
		1282
		1283	warn "end emergency map save\n";
		1284	}
		1285
		1286	package cf;
		1287
		1288	=back
		1289
		1290
		1291	=head3 cf::object::player
		1292
		1293	=over 4
		1294
784	=item $player_object->reply ($npc, $msg[, $flags])	1295	=item $player_object->reply ($npc, $msg[, $flags])
785		1296
786	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	1297	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
787	can be C<undef>. Does the right thing when the player is currently in a	1298	can be C<undef>. Does the right thing when the player is currently in a
788	dialogue with the given NPC character.	1299	dialogue with the given NPC character.
789		1300
790	=cut	1301	=cut
791		1302
792	# rough implementation of a future "reply" method that works	1303	# rough implementation of a future "reply" method that works
793	# with dialog boxes.	1304	# with dialog boxes.
		1305	#TODO: the first argument must go, split into a $npc->reply_to ( method
794	sub cf::object::player::reply($$$;$) {	1306	sub cf::object::player::reply($$$;$) {
795	my ($self, $npc, $msg, $flags) = @_;	1307	my ($self, $npc, $msg, $flags) = @_;
796		1308
797	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	1309	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
798		1310
…		…
802	$msg = $npc->name . " says: $msg" if $npc;	1314	$msg = $npc->name . " says: $msg" if $npc;
803	$self->message ($msg, $flags);	1315	$self->message ($msg, $flags);
804	}	1316	}
805	}	1317	}
806		1318
807	=item $player->ext_reply ($msgid, $msgtype, %msg)
808
809	Sends an ext reply to the player.
810
811	=cut
812
813	sub cf::player::ext_reply($$$%) {
814	my ($self, $id, %msg) = @_;
815
816	$msg{msgid} = $id;
817
818	$self->send ("ext " . to_json \%msg);
819	}
820
821	=item $player_object->may ("access")	1319	=item $player_object->may ("access")
822		1320
823	Returns wether the given player is authorized to access resource "access"	1321	Returns wether the given player is authorized to access resource "access"
824	(e.g. "command_wizcast").	1322	(e.g. "command_wizcast").
825		1323
…		…
832	(ref $cf::CFG{"may_$access"}	1330	(ref $cf::CFG{"may_$access"}
833	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1331	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
834	: $cf::CFG{"may_$access"})	1332	: $cf::CFG{"may_$access"})
835	}	1333	}
836		1334
837	=cut	1335	sub cf::object::player::enter_link {
		1336	my ($self) = @_;
838		1337
839	#############################################################################	1338	return if $self->map == $LINK_MAP;
		1339
		1340	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]
		1341	if $self->map;
		1342
		1343	$self->enter_map ($LINK_MAP, 20, 20);
		1344	$self->deactivate_recursive;
		1345	}
		1346
		1347	sub cf::object::player::leave_link {
		1348	my ($self, $map, $x, $y) = @_;
		1349
		1350	my $link_pos = delete $self->{_link_pos};
		1351
		1352	unless ($map) {
		1353	$self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		1354
		1355	# restore original map position
		1356	($map, $x, $y) = @{ $link_pos || [] };
		1357	$map = cf::map::find_map $map;
		1358
		1359	unless ($map) {
		1360	($map, $x, $y) = @$EMERGENCY_POSITION;
		1361	$map = cf::map::find_map $map
		1362	or die "FATAL: cannot load emergency map\n";
		1363	}
		1364	}
		1365
		1366	($x, $y) = (-1, -1)
		1367	unless (defined $x) && (defined $y);
		1368
		1369	# use -1 or undef as default coordinates, not 0, 0
		1370	($x, $y) = ($map->enter_x, $map->enter_y)
		1371	if $x <=0 && $y <= 0;
		1372
		1373	$map->load;
		1374
		1375	$self->activate_recursive;
		1376	$self->enter_map ($map, $x, $y);
		1377	}
		1378
		1379	=item $player_object->goto_map ($map, $x, $y)
		1380
		1381	=cut
		1382
		1383	sub cf::object::player::goto_map {
		1384	my ($self, $path, $x, $y) = @_;
		1385
		1386	$self->enter_link;
		1387
		1388	(Coro::async {
		1389	$path = new cf::path $path;
		1390
		1391	my $map = cf::map::find_map $path->as_string;
		1392	$map = $map->customise_for ($self) if $map;
		1393
		1394	warn "entering ", $map->path, " at ($x, $y)\n"
		1395	if $map;
		1396
		1397	$self->leave_link ($map, $x, $y);
		1398	})->prio (1);
		1399	}
		1400
		1401	=item $player_object->enter_exit ($exit_object)
		1402
		1403	=cut
		1404
		1405	sub parse_random_map_params {
		1406	my ($spec) = @_;
		1407
		1408	my $rmp = { # defaults
		1409	xsize => 10,
		1410	ysize => 10,
		1411	};
		1412
		1413	for (split /\n/, $spec) {
		1414	my ($k, $v) = split /\s+/, $_, 2;
		1415
		1416	$rmp->{lc $k} = $v if (length $k) && (length $v);
		1417	}
		1418
		1419	$rmp
		1420	}
		1421
		1422	sub prepare_random_map {
		1423	my ($exit) = @_;
		1424
		1425	# all this does is basically replace the /! path by
		1426	# a new random map path (?random/...) with a seed
		1427	# that depends on the exit object
		1428
		1429	my $rmp = parse_random_map_params $exit->msg;
		1430
		1431	if ($exit->map) {
		1432	$rmp->{region} = $exit->map->region_name;
		1433	$rmp->{origin_map} = $exit->map->path;
		1434	$rmp->{origin_x} = $exit->x;
		1435	$rmp->{origin_y} = $exit->y;
		1436	}
		1437
		1438	$rmp->{random_seed} ||= $exit->random_seed;
		1439
		1440	my $data = cf::to_json $rmp;
		1441	my $md5 = Digest::MD5::md5_hex $data;
		1442
		1443	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {
		1444	aio_write $fh, 0, (length $data), $data, 0;
		1445
		1446	$exit->slaying ("?random/$md5");
		1447	$exit->msg (undef);
		1448	}
		1449	}
		1450
		1451	sub cf::object::player::enter_exit {
		1452	my ($self, $exit) = @_;
		1453
		1454	return unless $self->type == cf::PLAYER;
		1455
		1456	$self->enter_link;
		1457
		1458	(Coro::async {
		1459	unless (eval {
		1460
		1461	prepare_random_map $exit
		1462	if $exit->slaying eq "/!";
		1463
		1464	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
		1465	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
		1466
		1467	1;
		1468	}) {
		1469	$self->message ("Something went wrong deep within the crossfire server. "
		1470	. "I'll try to bring you back to the map you were before. "
		1471	. "Please report this to the dungeon master",
		1472	cf::NDI_UNIQUE | cf::NDI_RED);
		1473
		1474	warn "ERROR in enter_exit: $@";
		1475	$self->leave_link;
		1476	}
		1477	})->prio (1);
		1478	}
		1479
		1480	=head3 cf::client
		1481
		1482	=over 4
		1483
		1484	=item $client->send_drawinfo ($text, $flags)
		1485
		1486	Sends a drawinfo packet to the client. Circumvents output buffering so
		1487	should not be used under normal circumstances.
		1488
		1489	=cut
		1490
		1491	sub cf::client::send_drawinfo {
		1492	my ($self, $text, $flags) = @_;
		1493
		1494	utf8::encode $text;
		1495	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);
		1496	}
		1497
		1498
		1499	=item $success = $client->query ($flags, "text", \&cb)
		1500
		1501	Queues a query to the client, calling the given callback with
		1502	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
		1503	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
		1504
		1505	Queries can fail, so check the return code. Or don't, as queries will become
		1506	reliable at some point in the future.
		1507
		1508	=cut
		1509
		1510	sub cf::client::query {
		1511	my ($self, $flags, $text, $cb) = @_;
		1512
		1513	return unless $self->state == ST_PLAYING
		1514	|| $self->state == ST_SETUP
		1515	|| $self->state == ST_CUSTOM;
		1516
		1517	$self->state (ST_CUSTOM);
		1518
		1519	utf8::encode $text;
		1520	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
		1521
		1522	$self->send_packet ($self->{query_queue}[0][0])
		1523	if @{ $self->{query_queue} } == 1;
		1524	}
		1525
		1526	cf::client->attach (
		1527	on_reply => sub {
		1528	my ($ns, $msg) = @_;
		1529
		1530	# this weird shuffling is so that direct followup queries
		1531	# get handled first
		1532	my $queue = delete $ns->{query_queue};
		1533
		1534	(shift @$queue)->[1]->($msg);
		1535
		1536	push @{ $ns->{query_queue} }, @$queue;
		1537
		1538	if (@{ $ns->{query_queue} } == @$queue) {
		1539	if (@$queue) {
		1540	$ns->send_packet ($ns->{query_queue}[0][0]);
		1541	} else {
		1542	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
		1543	}
		1544	}
		1545	},
		1546	);
		1547
		1548	=item $client->coro (\&cb)
		1549
		1550	Create a new coroutine, running the specified callback. The coroutine will
		1551	be automatically cancelled when the client gets destroyed (e.g. on logout,
		1552	or loss of connection).
		1553
		1554	=cut
		1555
		1556	sub cf::client::coro {
		1557	my ($self, $cb) = @_;
		1558
		1559	my $coro; $coro = async {
		1560	eval {
		1561	$cb->();
		1562	};
		1563	warn $@ if $@;
		1564	};
		1565
		1566	$coro->on_destroy (sub {
		1567	delete $self->{_coro}{$coro+0};
		1568	});
		1569
		1570	$self->{_coro}{$coro+0} = $coro;
		1571
		1572	$coro
		1573	}
		1574
		1575	cf::client->attach (
		1576	on_destroy => sub {
		1577	my ($ns) = @_;
		1578
		1579	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
		1580	},
		1581	);
		1582
		1583	=back
		1584
840		1585
841	=head2 SAFE SCRIPTING	1586	=head2 SAFE SCRIPTING
842		1587
843	Functions that provide a safe environment to compile and execute	1588	Functions that provide a safe environment to compile and execute
844	snippets of perl code without them endangering the safety of the server	1589	snippets of perl code without them endangering the safety of the server
…		…
859		1604
860	=pod	1605	=pod
861		1606
862	The following fucntions and emthods are available within a safe environment:	1607	The following fucntions and emthods are available within a safe environment:
863		1608
864	cf::object contr pay_amount pay_player	1609	cf::object contr pay_amount pay_player map
865	cf::object::player player	1610	cf::object::player player
866	cf::player peaceful	1611	cf::player peaceful
		1612	cf::map trigger
867		1613
868	=cut	1614	=cut
869		1615
870	for (	1616	for (
871	["cf::object" => qw(contr pay_amount pay_player)],	1617	["cf::object" => qw(contr pay_amount pay_player map)],
872	["cf::object::player" => qw(player)],	1618	["cf::object::player" => qw(player)],
873	["cf::player" => qw(peaceful)],	1619	["cf::player" => qw(peaceful)],
		1620	["cf::map" => qw(trigger)],
874	) {	1621	) {
875	no strict 'refs';	1622	no strict 'refs';
876	my ($pkg, @funs) = @$_;	1623	my ($pkg, @funs) = @$_;
877	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	1624	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
878	for @funs;	1625	for @funs;
…		…
1018	sub db_sync() {	1765	sub db_sync() {
1019	db_save if $dirty;	1766	db_save if $dirty;
1020	undef $dirty;	1767	undef $dirty;
1021	}	1768	}
1022		1769
1023	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, cb => sub {	1770	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1024	db_sync;	1771	db_sync;
1025	});	1772	});
1026		1773
1027	sub db_dirty() {	1774	sub db_dirty() {
1028	$dirty = 1;	1775	$dirty = 1;
…		…
1042	$DB->{$_[0]} = $_[1];	1789	$DB->{$_[0]} = $_[1];
1043	}	1790	}
1044	db_dirty;	1791	db_dirty;
1045	}	1792	}
1046		1793
1047	attach_global	1794	cf::global->attach (
1048	prio => 10000,	1795	prio => 10000,
1049	on_cleanup => sub {	1796	on_cleanup => sub {
1050	db_sync;	1797	db_sync;
1051	},	1798	},
1052	;	1799	);
1053	}	1800	}
1054		1801
1055	#############################################################################	1802	#############################################################################
1056	# the server's main()	1803	# the server's main()
1057		1804
…		…
1062	local $/;	1809	local $/;
1063	*CFG = YAML::Syck::Load <$fh>;	1810	*CFG = YAML::Syck::Load <$fh>;
1064	}	1811	}
1065		1812
1066	sub main {	1813	sub main {
		1814	# we must not ever block the main coroutine
		1815	local $Coro::idle = sub {
		1816	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#
		1817	(Coro::unblock_sub {
		1818	Event::one_event;
		1819	})->();
		1820	};
		1821
1067	cfg_load;	1822	cfg_load;
1068	db_load;	1823	db_load;
1069	load_extensions;	1824	load_extensions;
1070	Event::loop;	1825	Event::loop;
1071	}	1826	}
1072		1827
1073	#############################################################################	1828	#############################################################################
1074	# initialisation	1829	# initialisation
1075		1830
1076	sub _perl_reload(&) {	1831	sub perl_reload() {
1077	my ($msg) = @_;	1832	# can/must only be called in main
		1833	if ($Coro::current != $Coro::main) {
		1834	warn "can only reload from main coroutine\n";
		1835	return;
		1836	}
1078		1837
1079	$msg->("reloading...");	1838	warn "reloading...";
		1839
		1840	local $FREEZE = 1;
		1841	cf::emergency_save;
1080		1842
1081	eval {	1843	eval {
		1844	# if anything goes wrong in here, we should simply crash as we already saved
		1845
1082	# cancel all watchers	1846	# cancel all watchers
1083	$_->cancel for Event::all_watchers;	1847	for (Event::all_watchers) {
		1848	$_->cancel if $_->data & WF_AUTOCANCEL;
		1849	}
		1850
		1851	# cancel all extension coros
		1852	$_->cancel for values %EXT_CORO;
		1853	%EXT_CORO = ();
1084		1854
1085	# unload all extensions	1855	# unload all extensions
1086	for (@exts) {	1856	for (@exts) {
1087	$msg->("unloading <$_>");	1857	warn "unloading <$_>";
1088	unload_extension $_;	1858	unload_extension $_;
1089	}	1859	}
1090		1860
1091	# unload all modules loaded from $LIBDIR	1861	# unload all modules loaded from $LIBDIR
1092	while (my ($k, $v) = each %INC) {	1862	while (my ($k, $v) = each %INC) {
1093	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	1863	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1094		1864
1095	$msg->("removing <$k>");	1865	warn "removing <$k>";
1096	delete $INC{$k};	1866	delete $INC{$k};
1097		1867
1098	$k =~ s/\.pm$//;	1868	$k =~ s/\.pm$//;
1099	$k =~ s/\//::/g;	1869	$k =~ s/\//::/g;
1100		1870
…		…
1105	Symbol::delete_package $k;	1875	Symbol::delete_package $k;
1106	}	1876	}
1107		1877
1108	# sync database to disk	1878	# sync database to disk
1109	cf::db_sync;	1879	cf::db_sync;
		1880	IO::AIO::flush;
1110		1881
1111	# get rid of safe::, as good as possible	1882	# get rid of safe::, as good as possible
1112	Symbol::delete_package "safe::$_"	1883	Symbol::delete_package "safe::$_"
1113	for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region);	1884	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1114		1885
1115	# remove register_script_function callbacks	1886	# remove register_script_function callbacks
1116	# TODO	1887	# TODO
1117		1888
1118	# unload cf.pm "a bit"	1889	# unload cf.pm "a bit"
…		…
1121	# don't, removes xs symbols, too,	1892	# don't, removes xs symbols, too,
1122	# and global variables created in xs	1893	# and global variables created in xs
1123	#Symbol::delete_package __PACKAGE__;	1894	#Symbol::delete_package __PACKAGE__;
1124		1895
1125	# reload cf.pm	1896	# reload cf.pm
1126	$msg->("reloading cf.pm");	1897	warn "reloading cf.pm";
1127	require cf;	1898	require cf;
		1899	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1128		1900
1129	# load config and database again	1901	# load config and database again
1130	cf::cfg_load;	1902	cf::cfg_load;
1131	cf::db_load;	1903	cf::db_load;
1132		1904
1133	# load extensions	1905	# load extensions
1134	$msg->("load extensions");	1906	warn "load extensions";
1135	cf::load_extensions;	1907	cf::load_extensions;
1136		1908
1137	# reattach attachments to objects	1909	# reattach attachments to objects
1138	$msg->("reattach");	1910	warn "reattach";
1139	_global_reattach;	1911	_global_reattach;
1140	};	1912	};
1141	$msg->($@) if $@;
1142		1913
1143	$msg->("reloaded");	1914	if ($@) {
		1915	warn $@;
		1916	warn "error while reloading, exiting.";
		1917	exit 1;
		1918	}
		1919
		1920	warn "reloaded successfully";
1144	};	1921	};
1145		1922
1146	sub perl_reload() {	1923	#############################################################################
1147	_perl_reload {	1924
1148	warn $_[0];	1925	unless ($LINK_MAP) {
1149	print "$_[0]\n";	1926	$LINK_MAP = cf::map::new;
1150	};	1927
		1928	$LINK_MAP->width (41);
		1929	$LINK_MAP->height (41);
		1930	$LINK_MAP->alloc;
		1931	$LINK_MAP->path ("{link}");
		1932	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
		1933	$LINK_MAP->in_memory (MAP_IN_MEMORY);
		1934
		1935	# dirty hack because... archetypes are not yet loaded
		1936	Event->timer (
		1937	after => 2,
		1938	cb => sub {
		1939	$_[0]->w->cancel;
		1940
		1941	# provide some exits "home"
		1942	my $exit = cf::object::new "exit";
		1943
		1944	$exit->slaying ($EMERGENCY_POSITION->[0]);
		1945	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
		1946	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
		1947
		1948	$LINK_MAP->insert ($exit->clone, 19, 19);
		1949	$LINK_MAP->insert ($exit->clone, 19, 20);
		1950	$LINK_MAP->insert ($exit->clone, 19, 21);
		1951	$LINK_MAP->insert ($exit->clone, 20, 19);
		1952	$LINK_MAP->insert ($exit->clone, 20, 21);
		1953	$LINK_MAP->insert ($exit->clone, 21, 19);
		1954	$LINK_MAP->insert ($exit->clone, 21, 20);
		1955	$LINK_MAP->insert ($exit->clone, 21, 21);
		1956
		1957	$exit->destroy;
		1958	});
		1959
		1960	$LINK_MAP->{deny_save} = 1;
		1961	$LINK_MAP->{deny_reset} = 1;
		1962
		1963	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1151	}	1964	}
1152		1965
1153	register "<global>", __PACKAGE__;	1966	register "<global>", __PACKAGE__;
1154		1967
1155	register_command "perl-reload" => sub {	1968	register_command "perl-reload" => sub {
1156	my ($who, $arg) = @_;	1969	my ($who, $arg) = @_;
1157		1970
1158	if ($who->flag (FLAG_WIZ)) {	1971	if ($who->flag (FLAG_WIZ)) {
		1972	$who->message ("start of reload.");
1159	_perl_reload {	1973	perl_reload;
1160	warn $_[0];	1974	$who->message ("end of reload.");
1161	$who->message ($_[0]);
1162	};
1163	}	1975	}
1164	};	1976	};
1165		1977
1166	unshift @INC, $LIBDIR;	1978	unshift @INC, $LIBDIR;
1167		1979
1168	$TICK_WATCHER = Event->timer (	1980	$TICK_WATCHER = Event->timer (
		1981	reentrant => 0,
1169	prio => 1,	1982	prio => 0,
1170	async => 1,
1171	at => $NEXT_TICK || 1,	1983	at => $NEXT_TICK || $TICK,
		1984	data => WF_AUTOCANCEL,
1172	cb => sub {	1985	cb => sub {
		1986	unless ($FREEZE) {
1173	cf::server_tick; # one server iteration	1987	cf::server_tick; # one server iteration
		1988	$RUNTIME += $TICK;
		1989	}
1174		1990
1175	my $NOW = Event::time;
1176	$NEXT_TICK += $TICK;	1991	$NEXT_TICK += $TICK;
1177		1992
1178	# if we are delayed by four ticks or more, skip them all	1993	# if we are delayed by four ticks or more, skip them all
1179	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;	1994	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1180		1995
1181	$TICK_WATCHER->at ($NEXT_TICK);	1996	$TICK_WATCHER->at ($NEXT_TICK);
1182	$TICK_WATCHER->start;	1997	$TICK_WATCHER->start;
1183	},	1998	},
1184	);	1999	);
1185		2000
1186	IO::AIO::max_poll_time $TICK * 0.2;	2001	IO::AIO::max_poll_time $TICK * 0.2;
1187		2002
		2003	Event->io (
1188	Event->io (fd => IO::AIO::poll_fileno,	2004	fd => IO::AIO::poll_fileno,
1189	poll => 'r',	2005	poll => 'r',
1190	prio => 5,	2006	prio => 5,
		2007	data => WF_AUTOCANCEL,
1191	cb => \&IO::AIO::poll_cb);	2008	cb => \&IO::AIO::poll_cb,
		2009	);
		2010
		2011	Event->timer (
		2012	data => WF_AUTOCANCEL,
		2013	after => 0,
		2014	interval => 10,
		2015	cb => sub {
		2016	(Coro::unblock_sub {
		2017	write_runtime
		2018	or warn "ERROR: unable to write runtime file: $!";
		2019	})->();
		2020	},
		2021	);
1192		2022
1193	1	2023	1
1194		2024

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