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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.89 by root, Fri Dec 15 19:59:20 2006 UTC vs.
Revision 1.112 by root, Mon Jan 1 13:31:47 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
20		32
21	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
22		34
23	our %COMMAND = ();	35	our %COMMAND = ();
24	our %COMMAND_TIME = ();	36	our %COMMAND_TIME = ();
25	our %EXTCMD = ();	37	our %EXTCMD = ();
26		38
27	_init_vars;
28
29	our @EVENT;	39	our @EVENT;
30	our $LIBDIR = datadir . "/ext";	40	our $LIBDIR = datadir . "/ext";
31		41
32	our $TICK = MAX_TIME * 1e-6;	42	our $TICK = MAX_TIME * 1e-6;
33	our $TICK_WATCHER;	43	our $TICK_WATCHER;
34	our $NEXT_TICK;	44	our $NEXT_TICK;
		45	our $NOW;
35		46
36	our %CFG;	47	our %CFG;
37		48
38	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];
39		78
40	#############################################################################	79	#############################################################################
41		80
42	=head2 GLOBAL VARIABLES	81	=head2 GLOBAL VARIABLES
43		82
44	=over 4	83	=over 4
45		84
46	=item $cf::UPTIME	85	=item $cf::UPTIME
47		86
48	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.
49		93
50	=item $cf::LIBDIR	94	=item $cf::LIBDIR
51		95
52	The perl library directory, where extensions and cf-specific modules can	96	The perl library directory, where extensions and cf-specific modules can
53	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.
54		102
55	=item $cf::TICK	103	=item $cf::TICK
56		104
57	The interval between server ticks, in seconds.	105	The interval between server ticks, in seconds.
58		106
…		…
66	=cut	114	=cut
67		115
68	BEGIN {	116	BEGIN {
69	*CORE::GLOBAL::warn = sub {	117	*CORE::GLOBAL::warn = sub {
70	my $msg = join "", @_;	118	my $msg = join "", @_;
		119	utf8::encode $msg;
		120
71	$msg .= "\n"	121	$msg .= "\n"
72	unless $msg =~ /\n$/;	122	unless $msg =~ /\n$/;
73		123
74	print STDERR "cfperl: $msg";
75	LOG llevError, "cfperl: $msg";	124	LOG llevError, "cfperl: $msg";
76	};	125	};
77	}	126	}
78		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';
79	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	133	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';
80		134
81	# 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
82	# within the Safe compartment.	136	# within the Safe compartment.
83	for my $pkg (qw(	137	for my $pkg (qw(
		138	cf::global cf::attachable
84	cf::object cf::object::player	139	cf::object cf::object::player
85	cf::client cf::player	140	cf::client cf::player
86	cf::arch cf::living	141	cf::arch cf::living
87	cf::map cf::party cf::region	142	cf::map cf::party cf::region
88	)) {	143	)) {
…		…
126	sub to_json($) {	181	sub to_json($) {
127	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
128	JSON::Syck::Dump $_[0]	183	JSON::Syck::Dump $_[0]
129	}	184	}
130		185
		186	=item cf::sync_job { BLOCK }
		187
		188	The design of crossfire+ requires that the main coro ($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 ($job) = @_;
		201
		202	if ($Coro::current == $Coro::main) {
		203	# this is the main coro, too bad, we have to block
		204	# till the operation succeeds, freezing the server :/
		205
		206	# TODO: use suspend/resume instead
		207	# (but this is cancel-safe)
		208	local $FREEZE = 1;
		209
		210	my $busy = 1;
		211	my @res;
		212
		213	(Coro::async {
		214	@res = eval { $job->() };
		215	warn $@ if $@;
		216	undef $busy;
		217	})->prio (Coro::PRIO_MAX);
		218
		219	while ($busy) {
		220	Coro::cede_notself;
		221	Event::one_event unless Coro::nready;
		222	}
		223
		224	wantarray ? @res : $res[0]
		225	} else {
		226	# we are in another coroutine, how wonderful, everything just works
		227
		228	$job->()
		229	}
		230	}
		231
		232	=item $coro = cf::coro { BLOCK }
		233
		234	Creates and returns a new coro. This coro is automcatially being canceled
		235	when the extension calling this is being unloaded.
		236
		237	=cut
		238
		239	sub coro(&) {
		240	my $cb = shift;
		241
		242	my $coro; $coro = async {
		243	eval {
		244	$cb->();
		245	};
		246	warn $@ if $@;
		247	};
		248
		249	$coro->on_destroy (sub {
		250	delete $EXT_CORO{$coro+0};
		251	});
		252	$EXT_CORO{$coro+0} = $coro;
		253
		254	$coro
		255	}
		256
		257	sub write_runtime {
		258	my $runtime = cf::localdir . "/runtime";
		259
		260	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		261	or return;
		262
		263	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock
		264	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		265	and return;
		266
		267	aio_fsync $fh
		268	and return;
		269
		270	close $fh
		271	or return;
		272
		273	aio_rename "$runtime~", $runtime
		274	and return;
		275
		276	1
		277	}
		278
131	=back	279	=back
132		280
133	=cut	281	=cut
134		282
135	#############################################################################	283	#############################################################################
136		284
137	=head2 EVENTS AND OBJECT ATTACHMENTS	285	package cf::path;
		286
		287	sub new {
		288	my ($class, $path, $base) = @_;
		289
		290	$path = $path->as_string if ref $path;
		291
		292	my $self = bless { }, $class;
		293
		294	if ($path =~ s{^\?random/}{}) {
		295	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
		296	$self->{random} = cf::from_json $data;
		297	} else {
		298	if ($path =~ s{^~([^/]+)?}{}) {
		299	$self->{user_rel} = 1;
		300
		301	if (defined $1) {
		302	$self->{user} = $1;
		303	} elsif ($base =~ m{^~([^/]+)/}) {
		304	$self->{user} = $1;
		305	} else {
		306	warn "cannot resolve user-relative path without user <$path,$base>\n";
		307	}
		308	} elsif ($path =~ /^\//) {
		309	# already absolute
		310	} else {
		311	$base =~ s{[^/]+/?$}{};
		312	return $class->new ("$base/$path");
		313	}
		314
		315	for ($path) {
		316	redo if s{/\.?/}{/};
		317	redo if s{/[^/]+/\.\./}{/};
		318	}
		319	}
		320
		321	$self->{path} = $path;
		322
		323	$self
		324	}
		325
		326	# the name / primary key / in-game path
		327	sub as_string {
		328	my ($self) = @_;
		329
		330	$self->{user_rel} ? "~$self->{user}$self->{path}"
		331	: $self->{random} ? "?random/$self->{path}"
		332	: $self->{path}
		333	}
		334
		335	# the displayed name, this is a one way mapping
		336	sub visible_name {
		337	my ($self) = @_;
		338
		339	# if (my $rmp = $self->{random}) {
		340	# # todo: be more intelligent about this
		341	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
		342	# } else {
		343	$self->as_string
		344	# }
		345	}
		346
		347	# escape the /'s in the path
		348	sub _escaped_path {
		349	# ∕ is U+2215
		350	(my $path = $_[0]{path}) =~ s/\//∕/g;
		351	$path
		352	}
		353
		354	# the original (read-only) location
		355	sub load_path {
		356	my ($self) = @_;
		357
		358	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		359	}
		360
		361	# the temporary/swap location
		362	sub save_path {
		363	my ($self) = @_;
		364
		365	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
		366	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
		367	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
		368	}
		369
		370	# the unique path, might be eq to save_path
		371	sub uniq_path {
		372	my ($self) = @_;
		373
		374	$self->{user_rel} || $self->{random}
		375	? undef
		376	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
		377	}
		378
		379	# return random map parameters, or undef
		380	sub random_map_params {
		381	my ($self) = @_;
		382
		383	$self->{random}
		384	}
		385
		386	# this is somewhat ugly, but style maps do need special treatment
		387	sub is_style_map {
		388	$_[0]{path} =~ m{^/styles/}
		389	}
		390
		391	package cf;
		392
		393	#############################################################################
		394
		395	=head2 ATTACHABLE OBJECTS
		396
		397	Many objects in crossfire are so-called attachable objects. That means you can
		398	attach callbacks/event handlers (a collection of which is called an "attachment")
		399	to it. All such attachable objects support the following methods.
		400
		401	In the following description, CLASS can be any of C<global>, C<object>
		402	C<player>, C<client> or C<map> (i.e. the attachable objects in
		403	crossfire+).
138		404
139	=over 4	405	=over 4
140		406
141	=item $object->attach ($attachment, key => $value...)
142
143	=item $object->detach ($attachment)
144
145	Attach/detach a pre-registered attachment to an object.
146
147	=item $player->attach ($attachment, key => $value...)
148
149	=item $player->detach ($attachment)
150
151	Attach/detach a pre-registered attachment to a player.
152
153	=item $map->attach ($attachment, key => $value...)	407	=item $attachable->attach ($attachment, key => $value...)
154		408
155	=item $map->detach ($attachment)	409	=item $attachable->detach ($attachment)
156		410
157	Attach/detach a pre-registered attachment to a map.	411	Attach/detach a pre-registered attachment to a specific object and give it
		412	the specified key/value pairs as arguments.
158		413
159	=item $bool = $object->attached ($name)	414	Example, attach a minesweeper attachment to the given object, making it a
		415	10x10 minesweeper game:
160		416
161	=item $bool = $player->attached ($name)	417	$obj->attach (minesweeper => width => 10, height => 10);
162		418
163	=item $bool = $map->attached ($name)	419	=item $bool = $attachable->attached ($name)
164		420
165	Checks wether the named attachment is currently attached to the object.	421	Checks wether the named attachment is currently attached to the object.
166		422
167	=item cf::attach_global ...	423	=item cf::CLASS->attach ...
168		424
169	Attach handlers for global events.	425	=item cf::CLASS->detach ...
170		426
171	This and all following C<attach_*>-functions expect any number of the	427	Define an anonymous attachment and attach it to all objects of the given
172	following handler/hook descriptions:	428	CLASS. See the next function for an explanation of its arguments.
		429
		430	You can attach to global events by using the C<cf::global> class.
		431
		432	Example, log all player logins:
		433
		434	cf::player->attach (
		435	on_login => sub {
		436	my ($pl) = @_;
		437	...
		438	},
		439	);
		440
		441	Example, attach to the jeweler skill:
		442
		443	cf::object->attach (
		444	type => cf::SKILL,
		445	subtype => cf::SK_JEWELER,
		446	on_use_skill => sub {
		447	my ($sk, $ob, $part, $dir, $msg) = @_;
		448	...
		449	},
		450	);
		451
		452	=item cf::CLASS::attachment $name, ...
		453
		454	Register an attachment by C<$name> through which attachable objects of the
		455	given CLASS can refer to this attachment.
		456
		457	Some classes such as crossfire maps and objects can specify attachments
		458	that are attached at load/instantiate time, thus the need for a name.
		459
		460	These calls expect any number of the following handler/hook descriptions:
173		461
174	=over 4	462	=over 4
175		463
176	=item prio => $number	464	=item prio => $number
177		465
…		…
179	by another C<prio> setting). Lower priority handlers get executed	467	by another C<prio> setting). Lower priority handlers get executed
180	earlier. The default priority is C<0>, and many built-in handlers are	468	earlier. The default priority is C<0>, and many built-in handlers are
181	registered at priority C<-1000>, so lower priorities should not be used	469	registered at priority C<-1000>, so lower priorities should not be used
182	unless you know what you are doing.	470	unless you know what you are doing.
183		471
		472	=item type => $type
		473
		474	(Only for C<< cf::object->attach >> calls), limits the attachment to the
		475	given type of objects only (the additional parameter C<subtype> can be
		476	used to further limit to the given subtype).
		477
184	=item on_I<event> => \&cb	478	=item on_I<event> => \&cb
185		479
186	Call the given code reference whenever the named event happens (event is	480	Call the given code reference whenever the named event happens (event is
187	something like C<instantiate>, C<apply>, C<use_skill> and so on, and which	481	something like C<instantiate>, C<apply>, C<use_skill> and so on, and which
188	handlers are recognised generally depends on the type of object these	482	handlers are recognised generally depends on the type of object these
…		…
197	package and register them. Only handlers for eevents supported by the	491	package and register them. Only handlers for eevents supported by the
198	object/class are recognised.	492	object/class are recognised.
199		493
200	=back	494	=back
201		495
202	=item cf::attach_to_type $object_type, $subtype, ...	496	Example, define an attachment called "sockpuppet" that calls the given
		497	event handler when a monster attacks:
203		498
204	Attach handlers for a specific object type (e.g. TRANSPORT) and	499	cf::object::attachment sockpuppet =>
205	subtype. If C<$subtype> is zero or undef, matches all objects of the given	500	on_skill_attack => sub {
206	type.	501	my ($self, $victim) = @_;
207		502	...
208	=item cf::attach_to_objects ...
209
210	Attach handlers to all objects. Do not use this except for debugging or
211	very rare events, as handlers are (obviously) called for I<all> objects in
212	the game.
213
214	=item cf::attach_to_players ...
215
216	Attach handlers to all players.
217
218	=item cf::attach_to_maps ...
219
220	Attach handlers to all maps.
221
222	=item cf:register_attachment $name, ...
223
224	Register an attachment by name through which objects can refer to this
225	attachment.
226
227	=item cf:register_player_attachment $name, ...
228
229	Register an attachment by name through which players can refer to this
230	attachment.
231
232	=item cf:register_map_attachment $name, ...
233
234	Register an attachment by name through which maps can refer to this
235	attachment.
236
237	=cut
238
239	# the following variables are defined in .xs and must not be re-created
240	our @CB_GLOBAL = (); # registry for all global events
241	our @CB_OBJECT = (); # all objects (should not be used except in emergency)
242	our @CB_PLAYER = ();
243	our @CB_TYPE = (); # registry for type (cf-object class) based events
244	our @CB_MAP = ();
245
246	my %attachment;
247
248	sub _attach_cb($\%$$$) {
249	my ($registry, $undo, $event, $prio, $cb) = @_;
250
251	use sort 'stable';
252
253	$cb = [$prio, $cb];
254
255	@{$registry->[$event]} = sort
256	{ $a->[0] cmp $b->[0] }
257	@{$registry->[$event] || []}, $cb;
258
259	push @{$undo->{cb}}, [$event, $cb];
260	}
261
262	# attach handles attaching event callbacks
263	# the only thing the caller has to do is pass the correct
264	# registry (== where the callback attaches to).
265	sub _attach(\@$@) {
266	my ($registry, $klass, @arg) = @_;
267
268	my $prio = 0;
269
270	my %undo = (
271	registry => $registry,
272	cb => [],
273	);
274
275	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;
276
277	while (@arg) {
278	my $type = shift @arg;
279
280	if ($type eq "prio") {
281	$prio = shift @arg;
282
283	} elsif ($type eq "package") {
284	my $pkg = shift @arg;
285
286	while (my ($name, $id) = each %cb_id) {
287	if (my $cb = $pkg->can ($name)) {
288	_attach_cb $registry, %undo, $id, $prio, $cb;
289	}
290	}	503	}
291
292	} elsif (exists $cb_id{$type}) {
293	_attach_cb $registry, %undo, $cb_id{$type}, $prio, shift @arg;
294
295	} elsif (ref $type) {
296	warn "attaching objects not supported, ignoring.\n";
297
298	} else {
299	shift @arg;
300	warn "attach argument '$type' not supported, ignoring.\n";
301	}
302	}
303
304	\%undo
305	}
306
307	sub _attach_attachment {
308	my ($obj, $name, %arg) = @_;
309
310	return if exists $obj->{_attachment}{$name};
311
312	my $res;
313
314	if (my $attach = $attachment{$name}) {
315	my $registry = $obj->registry;
316
317	for (@$attach) {
318	my ($klass, @attach) = @$_;
319	$res = _attach @$registry, $klass, @attach;
320	}
321
322	$obj->{$name} = \%arg;
323	} else {
324	warn "object uses attachment '$name' that is not available, postponing.\n";
325	}
326
327	$obj->{_attachment}{$name} = undef;
328
329	$res->{attachment} = $name;
330	$res
331	}
332
333	*cf::object::attach =
334	*cf::player::attach =
335	*cf::map::attach = sub {
336	my ($obj, $name, %arg) = @_;
337
338	_attach_attachment $obj, $name, %arg;
339	};
340
341	# all those should be optimised
342	*cf::object::detach =
343	*cf::player::detach =
344	*cf::map::detach = sub {
345	my ($obj, $name) = @_;
346
347	delete $obj->{_attachment}{$name};
348	reattach ($obj);
349	};
350
351	*cf::object::attached =
352	*cf::player::attached =
353	*cf::map::attached = sub {
354	my ($obj, $name) = @_;
355
356	exists $obj->{_attachment}{$name}
357	};
358
359	sub attach_global {
360	_attach @CB_GLOBAL, KLASS_GLOBAL, @_
361	}
362
363	sub attach_to_type {
364	my $type = shift;
365	my $subtype = shift;
366
367	_attach @{$CB_TYPE[$type + $subtype * NUM_SUBTYPES]}, KLASS_OBJECT, @_
368	}
369
370	sub attach_to_objects {
371	_attach @CB_OBJECT, KLASS_OBJECT, @_
372	}
373
374	sub attach_to_players {
375	_attach @CB_PLAYER, KLASS_PLAYER, @_
376	}
377
378	sub attach_to_maps {
379	_attach @CB_MAP, KLASS_MAP, @_
380	}
381
382	sub register_attachment {
383	my $name = shift;
384
385	$attachment{$name} = [[KLASS_OBJECT, @_]];
386	}
387
388	sub register_player_attachment {
389	my $name = shift;
390
391	$attachment{$name} = [[KLASS_PLAYER, @_]];
392	}
393
394	sub register_map_attachment {
395	my $name = shift;
396
397	$attachment{$name} = [[KLASS_MAP, @_]];
398	}
399
400	our $override;
401	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
402
403	sub override {
404	$override = 1;
405	@invoke_results = ();
406	}
407
408	sub do_invoke {
409	my $event = shift;
410	my $callbacks = shift;
411
412	@invoke_results = ();
413
414	local $override;
415
416	for (@$callbacks) {
417	eval { &{$_->[1]} };
418
419	if ($@) {
420	warn "$@";
421	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
422	override;
423	}
424
425	return 1 if $override;
426	}
427
428	0	504	}
429	}
430		505
431	=item $bool = cf::invoke EVENT_GLOBAL_XXX, ...	506	=item $attachable->valid
432
433	=item $bool = $object->invoke (EVENT_OBJECT_XXX, ...)
434
435	=item $bool = $player->invoke (EVENT_PLAYER_XXX, ...)
436
437	=item $bool = $map->invoke (EVENT_MAP_XXX, ...)
438
439	Generate a global/object/player/map-specific event with the given arguments.
440
441	This API is preliminary (most likely, the EVENT_KLASS_xxx prefix will be
442	removed in future versions), and there is no public API to access override
443	results (if you must, access C<@cf::invoke_results> directly).
444
445	=back
446
447	=cut
448
449	#############################################################################
450
451	=head2 METHODS VALID FOR ALL CORE OBJECTS
452
453	=over 4
454
455	=item $object->valid, $player->valid, $map->valid
456		507
457	Just because you have a perl object does not mean that the corresponding	508	Just because you have a perl object does not mean that the corresponding
458	C-level object still exists. If you try to access an object that has no	509	C-level object still exists. If you try to access an object that has no
459	valid C counterpart anymore you get an exception at runtime. This method	510	valid C counterpart anymore you get an exception at runtime. This method
460	can be used to test for existence of the C object part without causing an	511	can be used to test for existence of the C object part without causing an
461	exception.	512	exception.
462		513
		514	=cut
		515
		516	# the following variables are defined in .xs and must not be re-created
		517	our @CB_GLOBAL = (); # registry for all global events
		518	our @CB_ATTACHABLE = (); # registry for all attachables
		519	our @CB_OBJECT = (); # all objects (should not be used except in emergency)
		520	our @CB_PLAYER = ();
		521	our @CB_CLIENT = ();
		522	our @CB_TYPE = (); # registry for type (cf-object class) based events
		523	our @CB_MAP = ();
		524
		525	my %attachment;
		526
		527	sub _attach_cb($$$$) {
		528	my ($registry, $event, $prio, $cb) = @_;
		529
		530	use sort 'stable';
		531
		532	$cb = [$prio, $cb];
		533
		534	@{$registry->[$event]} = sort
		535	{ $a->[0] cmp $b->[0] }
		536	@{$registry->[$event] || []}, $cb;
		537	}
		538
		539	# hack
		540	my %attachable_klass = map +($_ => 1), KLASS_OBJECT, KLASS_CLIENT, KLASS_PLAYER, KLASS_MAP;
		541
		542	# attach handles attaching event callbacks
		543	# the only thing the caller has to do is pass the correct
		544	# registry (== where the callback attaches to).
		545	sub _attach {
		546	my ($registry, $klass, @arg) = @_;
		547
		548	my $object_type;
		549	my $prio = 0;
		550	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;
		551
		552	#TODO: get rid of this hack
		553	if ($attachable_klass{$klass}) {
		554	%cb_id = (%cb_id, map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == KLASS_ATTACHABLE, 0 .. $#EVENT);
		555	}
		556
		557	while (@arg) {
		558	my $type = shift @arg;
		559
		560	if ($type eq "prio") {
		561	$prio = shift @arg;
		562
		563	} elsif ($type eq "type") {
		564	$object_type = shift @arg;
		565	$registry = $CB_TYPE[$object_type] ||= [];
		566
		567	} elsif ($type eq "subtype") {
		568	defined $object_type or Carp::croak "subtype specified without type";
		569	my $object_subtype = shift @arg;
		570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];
		571
		572	} elsif ($type eq "package") {
		573	my $pkg = shift @arg;
		574
		575	while (my ($name, $id) = each %cb_id) {
		576	if (my $cb = $pkg->can ($name)) {
		577	_attach_cb $registry, $id, $prio, $cb;
		578	}
		579	}
		580
		581	} elsif (exists $cb_id{$type}) {
		582	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
		583
		584	} elsif (ref $type) {
		585	warn "attaching objects not supported, ignoring.\n";
		586
		587	} else {
		588	shift @arg;
		589	warn "attach argument '$type' not supported, ignoring.\n";
		590	}
		591	}
		592	}
		593
		594	sub _object_attach {
		595	my ($obj, $name, %arg) = @_;
		596
		597	return if exists $obj->{_attachment}{$name};
		598
		599	if (my $attach = $attachment{$name}) {
		600	my $registry = $obj->registry;
		601
		602	for (@$attach) {
		603	my ($klass, @attach) = @$_;
		604	_attach $registry, $klass, @attach;
		605	}
		606
		607	$obj->{$name} = \%arg;
		608	} else {
		609	warn "object uses attachment '$name' that is not available, postponing.\n";
		610	}
		611
		612	$obj->{_attachment}{$name} = undef;
		613	}
		614
		615	sub cf::attachable::attach {
		616	if (ref $_[0]) {
		617	_object_attach @_;
		618	} else {
		619	_attach shift->_attach_registry, @_;
		620	}
		621	};
		622
		623	# all those should be optimised
		624	sub cf::attachable::detach {
		625	my ($obj, $name) = @_;
		626
		627	if (ref $obj) {
		628	delete $obj->{_attachment}{$name};
		629	reattach ($obj);
		630	} else {
		631	Carp::croak "cannot, currently, detach class attachments";
		632	}
		633	};
		634
		635	sub cf::attachable::attached {
		636	my ($obj, $name) = @_;
		637
		638	exists $obj->{_attachment}{$name}
		639	}
		640
		641	for my $klass (qw(ATTACHABLE GLOBAL OBJECT PLAYER CLIENT MAP)) {
		642	eval "#line " . __LINE__ . " 'cf.pm'
		643	sub cf::\L$klass\E::_attach_registry {
		644	(\\\@CB_$klass, KLASS_$klass)
		645	}
		646
		647	sub cf::\L$klass\E::attachment {
		648	my \$name = shift;
		649
		650	\$attachment{\$name} = [[KLASS_$klass, \@_]];
		651	}
		652	";
		653	die if $@;
		654	}
		655
		656	our $override;
		657	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
		658
		659	sub override {
		660	$override = 1;
		661	@invoke_results = ();
		662	}
		663
		664	sub do_invoke {
		665	my $event = shift;
		666	my $callbacks = shift;
		667
		668	@invoke_results = ();
		669
		670	local $override;
		671
		672	for (@$callbacks) {
		673	eval { &{$_->[1]} };
		674
		675	if ($@) {
		676	warn "$@";
		677	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
		678	override;
		679	}
		680
		681	return 1 if $override;
		682	}
		683
		684	0
		685	}
		686
		687	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)
		688
		689	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
		690
		691	Generate an object-specific event with the given arguments.
		692
		693	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
		694	removed in future versions), and there is no public API to access override
		695	results (if you must, access C<@cf::invoke_results> directly).
		696
463	=back	697	=back
464		698
465	=cut	699	=cut
466
467	*cf::object::valid =
468	*cf::player::valid =
469	*cf::map::valid = \&cf::_valid;
470		700
471	#############################################################################	701	#############################################################################
472	# object support	702	# object support
473		703
474	sub instantiate {
475	my ($obj, $data) = @_;
476
477	$data = from_json $data;
478
479	for (@$data) {
480	my ($name, $args) = @$_;
481
482	$obj->attach ($name, %{$args || {} });
483	}
484	}
485
486	# basically do the same as instantiate, without calling instantiate
487	sub reattach {	704	sub reattach {
		705	# basically do the same as instantiate, without calling instantiate
488	my ($obj) = @_;	706	my ($obj) = @_;
		707
489	my $registry = $obj->registry;	708	my $registry = $obj->registry;
490		709
491	@$registry = ();	710	@$registry = ();
492		711
493	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} };	712	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} };
494		713
495	for my $name (keys %{ $obj->{_attachment} || {} }) {	714	for my $name (keys %{ $obj->{_attachment} || {} }) {
496	if (my $attach = $attachment{$name}) {	715	if (my $attach = $attachment{$name}) {
497	for (@$attach) {	716	for (@$attach) {
498	my ($klass, @attach) = @$_;	717	my ($klass, @attach) = @$_;
499	_attach @$registry, $klass, @attach;	718	_attach $registry, $klass, @attach;
500	}	719	}
501	} else {	720	} else {
502	warn "object uses attachment '$name' that is not available, postponing.\n";	721	warn "object uses attachment '$name' that is not available, postponing.\n";
503	}	722	}
504	}	723	}
505	}	724	}
506		725
507	sub object_freezer_save {	726	cf::attachable->attach (
508	my ($filename, $rdata, $objs) = @_;
509
510	if (length $$rdata) {
511	warn sprintf "saving %s (%d,%d)\n",
512	$filename, length $$rdata, scalar @$objs;
513
514	if (open my $fh, ">:raw", "$filename~") {
515	chmod SAVE_MODE, $fh;
516	syswrite $fh, $$rdata;
517	close $fh;
518
519	if (@$objs && open my $fh, ">:raw", "$filename.pst~") {
520	chmod SAVE_MODE, $fh;
521	syswrite $fh, Storable::nfreeze { version => 1, objs => $objs };
522	close $fh;
523	rename "$filename.pst~", "$filename.pst";
524	} else {
525	unlink "$filename.pst";
526	}
527
528	rename "$filename~", $filename;
529	} else {
530	warn "FATAL: $filename~: $!\n";
531	}
532	} else {
533	unlink $filename;
534	unlink "$filename.pst";
535	}
536	}
537
538	sub object_freezer_as_string {
539	my ($rdata, $objs) = @_;
540
541	use Data::Dumper;
542
543	$$rdata . Dumper $objs
544	}
545
546	sub object_thawer_load {
547	my ($filename) = @_;
548
549	local $/;
550
551	my $av;
552
553	#TODO: use sysread etc.
554	if (open my $data, "<:raw:perlio", $filename) {
555	$data = <$data>;
556	if (open my $pst, "<:raw:perlio", "$filename.pst") {
557	$av = eval { (Storable::thaw <$pst>)->{objs} };
558	}
559	return ($data, $av);
560	}
561
562	()
563	}
564
565	attach_to_objects
566	prio => -1000000,	727	prio => -1000000,
		728	on_instantiate => sub {
		729	my ($obj, $data) = @_;
		730
		731	$data = from_json $data;
		732
		733	for (@$data) {
		734	my ($name, $args) = @$_;
		735
		736	$obj->attach ($name, %{$args || {} });
		737	}
		738	},
		739	on_reattach => \&reattach,
567	on_clone => sub {	740	on_clone => sub {
568	my ($src, $dst) = @_;	741	my ($src, $dst) = @_;
569		742
570	@{$dst->registry} = @{$src->registry};	743	@{$dst->registry} = @{$src->registry};
571		744
572	%$dst = %$src;	745	%$dst = %$src;
573		746
574	%{$dst->{_attachment}} = %{$src->{_attachment}}	747	%{$dst->{_attachment}} = %{$src->{_attachment}}
575	if exists $src->{_attachment};	748	if exists $src->{_attachment};
576	},	749	},
577	;	750	);
		751
		752	sub object_freezer_save {
		753	my ($filename, $rdata, $objs) = @_;
		754
		755	sync_job {
		756	if (length $$rdata) {
		757	warn sprintf "saving %s (%d,%d)\n",
		758	$filename, length $$rdata, scalar @$objs;
		759
		760	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
		761	chmod SAVE_MODE, $fh;
		762	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		763	aio_fsync $fh;
		764	close $fh;
		765
		766	if (@$objs) {
		767	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
		768	chmod SAVE_MODE, $fh;
		769	my $data = Storable::nfreeze { version => 1, objs => $objs };
		770	aio_write $fh, 0, (length $data), $data, 0;
		771	aio_fsync $fh;
		772	close $fh;
		773	aio_rename "$filename.pst~", "$filename.pst";
		774	}
		775	} else {
		776	aio_unlink "$filename.pst";
		777	}
		778
		779	aio_rename "$filename~", $filename;
		780	} else {
		781	warn "FATAL: $filename~: $!\n";
		782	}
		783	} else {
		784	aio_unlink $filename;
		785	aio_unlink "$filename.pst";
		786	}
		787	}
		788	}
		789
		790	sub object_freezer_as_string {
		791	my ($rdata, $objs) = @_;
		792
		793	use Data::Dumper;
		794
		795	$$rdata . Dumper $objs
		796	}
		797
		798	sub object_thawer_load {
		799	my ($filename) = @_;
		800
		801	my ($data, $av);
		802
		803	(aio_load $filename, $data) >= 0
		804	or return;
		805
		806	unless (aio_stat "$filename.pst") {
		807	(aio_load "$filename.pst", $av) >= 0
		808	or return;
		809	$av = eval { (Storable::thaw <$av>)->{objs} };
		810	}
		811
		812	return ($data, $av);
		813	}
578		814
579	#############################################################################	815	#############################################################################
580	# command handling &c	816	# command handling &c
581		817
582	=item cf::register_command $name => \&callback($ob,$args);	818	=item cf::register_command $name => \&callback($ob,$args);
…		…
611	#warn "registering extcmd '$name' to '$caller'";	847	#warn "registering extcmd '$name' to '$caller'";
612		848
613	$EXTCMD{$name} = [$cb, $caller];	849	$EXTCMD{$name} = [$cb, $caller];
614	}	850	}
615		851
616	attach_to_players	852	cf::player->attach (
617	on_command => sub {	853	on_command => sub {
618	my ($pl, $name, $params) = @_;	854	my ($pl, $name, $params) = @_;
619		855
620	my $cb = $COMMAND{$name}	856	my $cb = $COMMAND{$name}
621	or return;	857	or return;
…		…
641	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	877	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
642	}	878	}
643		879
644	cf::override;	880	cf::override;
645	},	881	},
646	;	882	);
647		883
648	sub register {	884	sub register {
649	my ($base, $pkg) = @_;	885	my ($base, $pkg) = @_;
650		886
651	#TODO	887	#TODO
…		…
741	defined $path or return;	977	defined $path or return;
742		978
743	unlink "$path.pst";	979	unlink "$path.pst";
744	};	980	};
745		981
746	attach_to_maps prio => -10000, package => cf::mapsupport::;	982	cf::map->attach (prio => -10000, package => cf::mapsupport::);
747		983
748	#############################################################################	984	#############################################################################
749	# load/save perl data associated with player->ob objects	985	# load/save perl data associated with player->ob objects
750		986
751	sub all_objects(@) {	987	sub all_objects(@) {
752	@_, map all_objects ($_->inv), @_	988	@_, map all_objects ($_->inv), @_
753	}	989	}
754		990
755	# TODO: compatibility cruft, remove when no longer needed	991	# TODO: compatibility cruft, remove when no longer needed
756	attach_to_players	992	cf::player->attach (
757	on_load => sub {	993	on_load => sub {
758	my ($pl, $path) = @_;	994	my ($pl, $path) = @_;
759		995
760	for my $o (all_objects $pl->ob) {	996	for my $o (all_objects $pl->ob) {
761	if (my $value = $o->get_ob_key_value ("_perl_data")) {	997	if (my $value = $o->get_ob_key_value ("_perl_data")) {
…		…
763		999
764	%$o = %{ Storable::thaw pack "H*", $value };	1000	%$o = %{ Storable::thaw pack "H*", $value };
765	}	1001	}
766	}	1002	}
767	},	1003	},
768	;	1004	);
769		1005
770	#############################################################################	1006	#############################################################################
771		1007
772	=head2 CORE EXTENSIONS	1008	=head2 CORE EXTENSIONS
773		1009
774	Functions and methods that extend core crossfire objects.	1010	Functions and methods that extend core crossfire objects.
		1011
		1012	=head3 cf::player
775		1013
776	=over 4	1014	=over 4
777		1015
778	=item cf::player::exists $login	1016	=item cf::player::exists $login
779		1017
…		…
784	sub cf::player::exists($) {	1022	sub cf::player::exists($) {
785	cf::player::find $_[0]	1023	cf::player::find $_[0]
786	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	1024	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
787	}	1025	}
788		1026
		1027	=item $player->ext_reply ($msgid, $msgtype, %msg)
		1028
		1029	Sends an ext reply to the player.
		1030
		1031	=cut
		1032
		1033	sub cf::player::ext_reply($$$%) {
		1034	my ($self, $id, %msg) = @_;
		1035
		1036	$msg{msgid} = $id;
		1037
		1038	$self->send ("ext " . to_json \%msg);
		1039	}
		1040
		1041	=back
		1042
		1043
		1044	=head3 cf::map
		1045
		1046	=over 4
		1047
		1048	=cut
		1049
		1050	package cf::map;
		1051
		1052	use Fcntl;
		1053	use Coro::AIO;
		1054
		1055	our $MAX_RESET = 7200;
		1056	our $DEFAULT_RESET = 3600;
		1057
		1058	sub generate_random_map {
		1059	my ($path, $rmp) = @_;
		1060
		1061	# mit "rum" bekleckern, nicht
		1062	cf::map::_create_random_map
		1063	$path,
		1064	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
		1065	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
		1066	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
		1067	$rmp->{exit_on_final_map},
		1068	$rmp->{xsize}, $rmp->{ysize},
		1069	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
		1070	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
		1071	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
		1072	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
		1073	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
		1074	(cf::region::find $rmp->{region})
		1075	}
		1076
		1077	# and all this just because we cannot iterate over
		1078	# all maps in C++...
		1079	sub change_all_map_light {
		1080	my ($change) = @_;
		1081
		1082	$_->change_map_light ($change) for values %cf::MAP;
		1083	}
		1084
		1085	sub try_load_header($) {
		1086	my ($path) = @_;
		1087
		1088	utf8::encode $path;
		1089	aio_open $path, O_RDONLY, 0
		1090	or return;
		1091
		1092	my $map = cf::map::new
		1093	or return;
		1094
		1095	$map->load_header ($path)
		1096	or return;
		1097
		1098	$map->{load_path} = $path;
		1099
		1100	$map
		1101	}
		1102
		1103	sub find_map {
		1104	my ($path, $origin) = @_;
		1105
		1106	#warn "find_map<$path,$origin>\n";#d#
		1107
		1108	$path = new cf::path $path, $origin && $origin->path;
		1109	my $key = $path->as_string;
		1110
		1111	$cf::MAP{$key} || do {
		1112	# do it the slow way
		1113	my $map = try_load_header $path->save_path;
		1114
		1115	if ($map) {
		1116	# safety
		1117	$map->{instantiate_time} = $cf::RUNTIME
		1118	if $map->{instantiate_time} > $cf::RUNTIME;
		1119	} else {
		1120	if (my $rmp = $path->random_map_params) {
		1121	$map = generate_random_map $key, $rmp;
		1122	} else {
		1123	$map = try_load_header $path->load_path;
		1124	}
		1125
		1126	$map or return;
		1127
		1128	$map->{load_original} = 1;
		1129	$map->{instantiate_time} = $cf::RUNTIME;
		1130	$map->instantiate;
		1131
		1132	# per-player maps become, after loading, normal maps
		1133	$map->per_player (0) if $path->{user_rel};
		1134	}
		1135
		1136	$map->path ($key);
		1137	$map->{path} = $path;
		1138	$map->last_access ($cf::RUNTIME);
		1139
		1140	if ($map->should_reset) {
		1141	$map->reset;
		1142	$map = find_map $path;
		1143	}
		1144
		1145	$cf::MAP{$key} = $map
		1146	}
		1147	}
		1148
		1149	sub load {
		1150	my ($self) = @_;
		1151
		1152	return if $self->in_memory != cf::MAP_SWAPPED;
		1153
		1154	$self->in_memory (cf::MAP_LOADING);
		1155
		1156	my $path = $self->{path};
		1157
		1158	$self->alloc;
		1159	$self->load_objects ($self->{load_path}, 1)
		1160	or return;
		1161
		1162	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1163	if delete $self->{load_original};
		1164
		1165	if (my $uniq = $path->uniq_path) {
		1166	utf8::encode $uniq;
		1167	if (aio_open $uniq, O_RDONLY, 0) {
		1168	$self->clear_unique_items;
		1169	$self->load_objects ($uniq, 0);
		1170	}
		1171	}
		1172
		1173	# now do the right thing for maps
		1174	$self->link_multipart_objects;
		1175
		1176	if ($self->{path}->is_style_map) {
		1177	$self->{deny_save} = 1;
		1178	$self->{deny_reset} = 1;
		1179	} else {
		1180	$self->fix_auto_apply;
		1181	$self->decay_objects;
		1182	$self->update_buttons;
		1183	$self->set_darkness_map;
		1184	$self->difficulty ($self->estimate_difficulty)
		1185	unless $self->difficulty;
		1186	$self->activate;
		1187	}
		1188
		1189	$self->in_memory (cf::MAP_IN_MEMORY);
		1190	}
		1191
		1192	sub load_map_sync {
		1193	my ($path, $origin) = @_;
		1194
		1195	#warn "load_map_sync<$path, $origin>\n";#d#
		1196
		1197	cf::sync_job {
		1198	my $map = cf::map::find_map $path, $origin
		1199	or return;
		1200	$map->load;
		1201	$map
		1202	}
		1203	}
		1204
		1205	sub save {
		1206	my ($self) = @_;
		1207
		1208	my $save = $self->{path}->save_path; utf8::encode $save;
		1209	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
		1210
		1211	$self->{last_save} = $cf::RUNTIME;
		1212
		1213	return unless $self->dirty;
		1214
		1215	$self->{load_path} = $save;
		1216
		1217	return if $self->{deny_save};
		1218
		1219	if ($uniq) {
		1220	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		1221	$self->save_objects ($uniq, cf::IO_UNIQUES);
		1222	} else {
		1223	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		1224	}
		1225	}
		1226
		1227	sub swap_out {
		1228	my ($self) = @_;
		1229
		1230	return if $self->players;
		1231	return if $self->in_memory != cf::MAP_IN_MEMORY;
		1232	return if $self->{deny_save};
		1233
		1234	$self->save;
		1235	$self->clear;
		1236	$self->in_memory (cf::MAP_SWAPPED);
		1237	}
		1238
		1239	sub reset_at {
		1240	my ($self) = @_;
		1241
		1242	# TODO: safety, remove and allow resettable per-player maps
		1243	return 1e100 if $self->{path}{user_rel};
		1244	return 1e100 if $self->{deny_reset};
		1245
		1246	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1247	my $to = $self->reset_timeout || $DEFAULT_RESET;
		1248	$to = $MAX_RESET if $to > $MAX_RESET;
		1249
		1250	$time + $to
		1251	}
		1252
		1253	sub should_reset {
		1254	my ($self) = @_;
		1255
		1256	$self->reset_at <= $cf::RUNTIME
		1257	}
		1258
		1259	sub unlink_save {
		1260	my ($self) = @_;
		1261
		1262	utf8::encode (my $save = $self->{path}->save_path);
		1263	aioreq_pri 3; IO::AIO::aio_unlink $save;
		1264	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
		1265	}
		1266
		1267	sub reset {
		1268	my ($self) = @_;
		1269
		1270	return if $self->players;
		1271	return if $self->{path}{user_rel};#d#
		1272
		1273	warn "resetting map ", $self->path;#d#
		1274
		1275	delete $cf::MAP{$self->path};
		1276
		1277	$_->clear_links_to ($self) for values %cf::MAP;
		1278
		1279	$self->unlink_save;
		1280	$self->destroy;
		1281	}
		1282
		1283	sub customise_for {
		1284	my ($map, $ob) = @_;
		1285
		1286	if ($map->per_player) {
		1287	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};
		1288	}
		1289
		1290	$map
		1291	}
		1292
		1293	sub emergency_save {
		1294	local $cf::FREEZE = 1;
		1295
		1296	warn "enter emergency map save\n";
		1297
		1298	cf::sync_job {
		1299	warn "begin emergency map save\n";
		1300	$_->save for values %cf::MAP;
		1301	};
		1302
		1303	warn "end emergency map save\n";
		1304	}
		1305
		1306	package cf;
		1307
		1308	=back
		1309
		1310
		1311	=head3 cf::object::player
		1312
		1313	=over 4
		1314
789	=item $player_object->reply ($npc, $msg[, $flags])	1315	=item $player_object->reply ($npc, $msg[, $flags])
790		1316
791	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	1317	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
792	can be C<undef>. Does the right thing when the player is currently in a	1318	can be C<undef>. Does the right thing when the player is currently in a
793	dialogue with the given NPC character.	1319	dialogue with the given NPC character.
794		1320
795	=cut	1321	=cut
796		1322
797	# rough implementation of a future "reply" method that works	1323	# rough implementation of a future "reply" method that works
798	# with dialog boxes.	1324	# with dialog boxes.
		1325	#TODO: the first argument must go, split into a $npc->reply_to ( method
799	sub cf::object::player::reply($$$;$) {	1326	sub cf::object::player::reply($$$;$) {
800	my ($self, $npc, $msg, $flags) = @_;	1327	my ($self, $npc, $msg, $flags) = @_;
801		1328
802	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	1329	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
803		1330
…		…
807	$msg = $npc->name . " says: $msg" if $npc;	1334	$msg = $npc->name . " says: $msg" if $npc;
808	$self->message ($msg, $flags);	1335	$self->message ($msg, $flags);
809	}	1336	}
810	}	1337	}
811		1338
812	=item $player->ext_reply ($msgid, $msgtype, %msg)
813
814	Sends an ext reply to the player.
815
816	=cut
817
818	sub cf::player::ext_reply($$$%) {
819	my ($self, $id, %msg) = @_;
820
821	$msg{msgid} = $id;
822
823	$self->send ("ext " . to_json \%msg);
824	}
825
826	=item $player_object->may ("access")	1339	=item $player_object->may ("access")
827		1340
828	Returns wether the given player is authorized to access resource "access"	1341	Returns wether the given player is authorized to access resource "access"
829	(e.g. "command_wizcast").	1342	(e.g. "command_wizcast").
830		1343
…		…
837	(ref $cf::CFG{"may_$access"}	1350	(ref $cf::CFG{"may_$access"}
838	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1351	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
839	: $cf::CFG{"may_$access"})	1352	: $cf::CFG{"may_$access"})
840	}	1353	}
841		1354
842	=cut	1355	sub cf::object::player::enter_link {
		1356	my ($self) = @_;
843		1357
844	#############################################################################	1358	return if $self->map == $LINK_MAP;
		1359
		1360	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]
		1361	if $self->map;
		1362
		1363	$self->enter_map ($LINK_MAP, 20, 20);
		1364	$self->deactivate_recursive;
		1365	}
		1366
		1367	sub cf::object::player::leave_link {
		1368	my ($self, $map, $x, $y) = @_;
		1369
		1370	my $link_pos = delete $self->{_link_pos};
		1371
		1372	unless ($map) {
		1373	$self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		1374
		1375	# restore original map position
		1376	($map, $x, $y) = @{ $link_pos || [] };
		1377	$map = cf::map::find_map $map;
		1378
		1379	unless ($map) {
		1380	($map, $x, $y) = @$EMERGENCY_POSITION;
		1381	$map = cf::map::find_map $map
		1382	or die "FATAL: cannot load emergency map\n";
		1383	}
		1384	}
		1385
		1386	($x, $y) = (-1, -1)
		1387	unless (defined $x) && (defined $y);
		1388
		1389	# use -1 or undef as default coordinates, not 0, 0
		1390	($x, $y) = ($map->enter_x, $map->enter_y)
		1391	if $x <=0 && $y <= 0;
		1392
		1393	$map->load;
		1394
		1395	$self->activate_recursive;
		1396	$self->enter_map ($map, $x, $y);
		1397	}
		1398
		1399	=item $player_object->goto_map ($map, $x, $y)
		1400
		1401	=cut
		1402
		1403	sub cf::object::player::goto_map {
		1404	my ($self, $path, $x, $y) = @_;
		1405
		1406	$self->enter_link;
		1407
		1408	(Coro::async {
		1409	$path = new cf::path $path;
		1410
		1411	my $map = cf::map::find_map $path->as_string;
		1412	$map = $map->customise_for ($self) if $map;
		1413
		1414	warn "entering ", $map->path, " at ($x, $y)\n"
		1415	if $map;
		1416
		1417	$self->leave_link ($map, $x, $y);
		1418	})->prio (1);
		1419	}
		1420
		1421	=item $player_object->enter_exit ($exit_object)
		1422
		1423	=cut
		1424
		1425	sub parse_random_map_params {
		1426	my ($spec) = @_;
		1427
		1428	my $rmp = { # defaults
		1429	xsize => 10,
		1430	ysize => 10,
		1431	};
		1432
		1433	for (split /\n/, $spec) {
		1434	my ($k, $v) = split /\s+/, $_, 2;
		1435
		1436	$rmp->{lc $k} = $v if (length $k) && (length $v);
		1437	}
		1438
		1439	$rmp
		1440	}
		1441
		1442	sub prepare_random_map {
		1443	my ($exit) = @_;
		1444
		1445	# all this does is basically replace the /! path by
		1446	# a new random map path (?random/...) with a seed
		1447	# that depends on the exit object
		1448
		1449	my $rmp = parse_random_map_params $exit->msg;
		1450
		1451	if ($exit->map) {
		1452	$rmp->{region} = $exit->map->region_name;
		1453	$rmp->{origin_map} = $exit->map->path;
		1454	$rmp->{origin_x} = $exit->x;
		1455	$rmp->{origin_y} = $exit->y;
		1456	}
		1457
		1458	$rmp->{random_seed} ||= $exit->random_seed;
		1459
		1460	my $data = cf::to_json $rmp;
		1461	my $md5 = Digest::MD5::md5_hex $data;
		1462
		1463	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {
		1464	aio_write $fh, 0, (length $data), $data, 0;
		1465
		1466	$exit->slaying ("?random/$md5");
		1467	$exit->msg (undef);
		1468	}
		1469	}
		1470
		1471	sub cf::object::player::enter_exit {
		1472	my ($self, $exit) = @_;
		1473
		1474	return unless $self->type == cf::PLAYER;
		1475
		1476	$self->enter_link;
		1477
		1478	(Coro::async {
		1479	unless (eval {
		1480
		1481	prepare_random_map $exit
		1482	if $exit->slaying eq "/!";
		1483
		1484	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
		1485	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
		1486
		1487	1;
		1488	}) {
		1489	$self->message ("Something went wrong deep within the crossfire server. "
		1490	. "I'll try to bring you back to the map you were before. "
		1491	. "Please report this to the dungeon master",
		1492	cf::NDI_UNIQUE | cf::NDI_RED);
		1493
		1494	warn "ERROR in enter_exit: $@";
		1495	$self->leave_link;
		1496	}
		1497	})->prio (1);
		1498	}
		1499
		1500	=head3 cf::client
		1501
		1502	=over 4
		1503
		1504	=item $client->send_drawinfo ($text, $flags)
		1505
		1506	Sends a drawinfo packet to the client. Circumvents output buffering so
		1507	should not be used under normal circumstances.
		1508
		1509	=cut
		1510
		1511	sub cf::client::send_drawinfo {
		1512	my ($self, $text, $flags) = @_;
		1513
		1514	utf8::encode $text;
		1515	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);
		1516	}
		1517
		1518
		1519	=item $success = $client->query ($flags, "text", \&cb)
		1520
		1521	Queues a query to the client, calling the given callback with
		1522	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
		1523	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
		1524
		1525	Queries can fail, so check the return code. Or don't, as queries will become
		1526	reliable at some point in the future.
		1527
		1528	=cut
		1529
		1530	sub cf::client::query {
		1531	my ($self, $flags, $text, $cb) = @_;
		1532
		1533	return unless $self->state == ST_PLAYING
		1534	|| $self->state == ST_SETUP
		1535	|| $self->state == ST_CUSTOM;
		1536
		1537	$self->state (ST_CUSTOM);
		1538
		1539	utf8::encode $text;
		1540	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
		1541
		1542	$self->send_packet ($self->{query_queue}[0][0])
		1543	if @{ $self->{query_queue} } == 1;
		1544	}
		1545
		1546	cf::client->attach (
		1547	on_reply => sub {
		1548	my ($ns, $msg) = @_;
		1549
		1550	# this weird shuffling is so that direct followup queries
		1551	# get handled first
		1552	my $queue = delete $ns->{query_queue};
		1553
		1554	(shift @$queue)->[1]->($msg);
		1555
		1556	push @{ $ns->{query_queue} }, @$queue;
		1557
		1558	if (@{ $ns->{query_queue} } == @$queue) {
		1559	if (@$queue) {
		1560	$ns->send_packet ($ns->{query_queue}[0][0]);
		1561	} else {
		1562	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
		1563	}
		1564	}
		1565	},
		1566	);
		1567
		1568	=item $client->coro (\&cb)
		1569
		1570	Create a new coroutine, running the specified callback. The coroutine will
		1571	be automatically cancelled when the client gets destroyed (e.g. on logout,
		1572	or loss of connection).
		1573
		1574	=cut
		1575
		1576	sub cf::client::coro {
		1577	my ($self, $cb) = @_;
		1578
		1579	my $coro; $coro = async {
		1580	eval {
		1581	$cb->();
		1582	};
		1583	warn $@ if $@;
		1584	};
		1585
		1586	$coro->on_destroy (sub {
		1587	delete $self->{_coro}{$coro+0};
		1588	});
		1589
		1590	$self->{_coro}{$coro+0} = $coro;
		1591
		1592	$coro
		1593	}
		1594
		1595	cf::client->attach (
		1596	on_destroy => sub {
		1597	my ($ns) = @_;
		1598
		1599	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
		1600	},
		1601	);
		1602
		1603	=back
		1604
845		1605
846	=head2 SAFE SCRIPTING	1606	=head2 SAFE SCRIPTING
847		1607
848	Functions that provide a safe environment to compile and execute	1608	Functions that provide a safe environment to compile and execute
849	snippets of perl code without them endangering the safety of the server	1609	snippets of perl code without them endangering the safety of the server
…		…
864		1624
865	=pod	1625	=pod
866		1626
867	The following fucntions and emthods are available within a safe environment:	1627	The following fucntions and emthods are available within a safe environment:
868		1628
869	cf::object contr pay_amount pay_player	1629	cf::object contr pay_amount pay_player map
870	cf::object::player player	1630	cf::object::player player
871	cf::player peaceful	1631	cf::player peaceful
		1632	cf::map trigger
872		1633
873	=cut	1634	=cut
874		1635
875	for (	1636	for (
876	["cf::object" => qw(contr pay_amount pay_player)],	1637	["cf::object" => qw(contr pay_amount pay_player map)],
877	["cf::object::player" => qw(player)],	1638	["cf::object::player" => qw(player)],
878	["cf::player" => qw(peaceful)],	1639	["cf::player" => qw(peaceful)],
		1640	["cf::map" => qw(trigger)],
879	) {	1641	) {
880	no strict 'refs';	1642	no strict 'refs';
881	my ($pkg, @funs) = @$_;	1643	my ($pkg, @funs) = @$_;
882	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	1644	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
883	for @funs;	1645	for @funs;
…		…
1047	$DB->{$_[0]} = $_[1];	1809	$DB->{$_[0]} = $_[1];
1048	}	1810	}
1049	db_dirty;	1811	db_dirty;
1050	}	1812	}
1051		1813
1052	attach_global	1814	cf::global->attach (
1053	prio => 10000,	1815	prio => 10000,
1054	on_cleanup => sub {	1816	on_cleanup => sub {
1055	db_sync;	1817	db_sync;
1056	},	1818	},
1057	;	1819	);
1058	}	1820	}
1059		1821
1060	#############################################################################	1822	#############################################################################
1061	# the server's main()	1823	# the server's main()
1062		1824
…		…
1067	local $/;	1829	local $/;
1068	*CFG = YAML::Syck::Load <$fh>;	1830	*CFG = YAML::Syck::Load <$fh>;
1069	}	1831	}
1070		1832
1071	sub main {	1833	sub main {
		1834	# we must not ever block the main coroutine
		1835	local $Coro::idle = sub {
		1836	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#
		1837	(Coro::unblock_sub {
		1838	Event::one_event;
		1839	})->();
		1840	};
		1841
1072	cfg_load;	1842	cfg_load;
1073	db_load;	1843	db_load;
1074	load_extensions;	1844	load_extensions;
1075	Event::loop;	1845	Event::loop;
1076	}	1846	}
1077		1847
1078	#############################################################################	1848	#############################################################################
1079	# initialisation	1849	# initialisation
1080		1850
1081	sub _perl_reload(&) {	1851	sub reload() {
1082	my ($msg) = @_;	1852	# can/must only be called in main
		1853	if ($Coro::current != $Coro::main) {
		1854	warn "can only reload from main coroutine\n";
		1855	return;
		1856	}
1083		1857
1084	$msg->("reloading...");	1858	warn "reloading...";
		1859
		1860	local $FREEZE = 1;
		1861	cf::emergency_save;
1085		1862
1086	eval {	1863	eval {
		1864	# if anything goes wrong in here, we should simply crash as we already saved
		1865
1087	# cancel all watchers	1866	# cancel all watchers
1088	for (Event::all_watchers) {	1867	for (Event::all_watchers) {
1089	$_->cancel if $_->data & WF_AUTOCANCEL;	1868	$_->cancel if $_->data & WF_AUTOCANCEL;
1090	}	1869	}
1091		1870
		1871	# cancel all extension coros
		1872	$_->cancel for values %EXT_CORO;
		1873	%EXT_CORO = ();
		1874
1092	# unload all extensions	1875	# unload all extensions
1093	for (@exts) {	1876	for (@exts) {
1094	$msg->("unloading <$_>");	1877	warn "unloading <$_>";
1095	unload_extension $_;	1878	unload_extension $_;
1096	}	1879	}
1097		1880
1098	# unload all modules loaded from $LIBDIR	1881	# unload all modules loaded from $LIBDIR
1099	while (my ($k, $v) = each %INC) {	1882	while (my ($k, $v) = each %INC) {
1100	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	1883	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1101		1884
1102	$msg->("removing <$k>");	1885	warn "removing <$k>";
1103	delete $INC{$k};	1886	delete $INC{$k};
1104		1887
1105	$k =~ s/\.pm$//;	1888	$k =~ s/\.pm$//;
1106	$k =~ s/\//::/g;	1889	$k =~ s/\//::/g;
1107		1890
…		…
1112	Symbol::delete_package $k;	1895	Symbol::delete_package $k;
1113	}	1896	}
1114		1897
1115	# sync database to disk	1898	# sync database to disk
1116	cf::db_sync;	1899	cf::db_sync;
		1900	IO::AIO::flush;
1117		1901
1118	# get rid of safe::, as good as possible	1902	# get rid of safe::, as good as possible
1119	Symbol::delete_package "safe::$_"	1903	Symbol::delete_package "safe::$_"
1120	for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region);	1904	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1121		1905
1122	# remove register_script_function callbacks	1906	# remove register_script_function callbacks
1123	# TODO	1907	# TODO
1124		1908
1125	# unload cf.pm "a bit"	1909	# unload cf.pm "a bit"
…		…
1128	# don't, removes xs symbols, too,	1912	# don't, removes xs symbols, too,
1129	# and global variables created in xs	1913	# and global variables created in xs
1130	#Symbol::delete_package __PACKAGE__;	1914	#Symbol::delete_package __PACKAGE__;
1131		1915
1132	# reload cf.pm	1916	# reload cf.pm
1133	$msg->("reloading cf.pm");	1917	warn "reloading cf.pm";
1134	require cf;	1918	require cf;
		1919	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1135		1920
1136	# load config and database again	1921	# load config and database again
1137	cf::cfg_load;	1922	cf::cfg_load;
1138	cf::db_load;	1923	cf::db_load;
1139		1924
1140	# load extensions	1925	# load extensions
1141	$msg->("load extensions");	1926	warn "load extensions";
1142	cf::load_extensions;	1927	cf::load_extensions;
1143		1928
1144	# reattach attachments to objects	1929	# reattach attachments to objects
1145	$msg->("reattach");	1930	warn "reattach";
1146	_global_reattach;	1931	_global_reattach;
1147	};	1932	};
1148	$msg->($@) if $@;
1149		1933
1150	$msg->("reloaded");	1934	if ($@) {
		1935	warn $@;
		1936	warn "error while reloading, exiting.";
		1937	exit 1;
		1938	}
		1939
		1940	warn "reloaded successfully";
1151	};	1941	};
1152		1942
1153	sub perl_reload() {	1943	#############################################################################
1154	_perl_reload {	1944
1155	warn $_[0];	1945	unless ($LINK_MAP) {
1156	print "$_[0]\n";	1946	$LINK_MAP = cf::map::new;
1157	};	1947
		1948	$LINK_MAP->width (41);
		1949	$LINK_MAP->height (41);
		1950	$LINK_MAP->alloc;
		1951	$LINK_MAP->path ("{link}");
		1952	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
		1953	$LINK_MAP->in_memory (MAP_IN_MEMORY);
		1954
		1955	# dirty hack because... archetypes are not yet loaded
		1956	Event->timer (
		1957	after => 2,
		1958	cb => sub {
		1959	$_[0]->w->cancel;
		1960
		1961	# provide some exits "home"
		1962	my $exit = cf::object::new "exit";
		1963
		1964	$exit->slaying ($EMERGENCY_POSITION->[0]);
		1965	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
		1966	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
		1967
		1968	$LINK_MAP->insert ($exit->clone, 19, 19);
		1969	$LINK_MAP->insert ($exit->clone, 19, 20);
		1970	$LINK_MAP->insert ($exit->clone, 19, 21);
		1971	$LINK_MAP->insert ($exit->clone, 20, 19);
		1972	$LINK_MAP->insert ($exit->clone, 20, 21);
		1973	$LINK_MAP->insert ($exit->clone, 21, 19);
		1974	$LINK_MAP->insert ($exit->clone, 21, 20);
		1975	$LINK_MAP->insert ($exit->clone, 21, 21);
		1976
		1977	$exit->destroy;
		1978	});
		1979
		1980	$LINK_MAP->{deny_save} = 1;
		1981	$LINK_MAP->{deny_reset} = 1;
		1982
		1983	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1158	}	1984	}
1159		1985
1160	register "<global>", __PACKAGE__;	1986	register "<global>", __PACKAGE__;
1161		1987
1162	register_command "perl-reload" => sub {	1988	register_command "reload" => sub {
1163	my ($who, $arg) = @_;	1989	my ($who, $arg) = @_;
1164		1990
1165	if ($who->flag (FLAG_WIZ)) {	1991	if ($who->flag (FLAG_WIZ)) {
1166	_perl_reload {	1992	$who->message ("start of reload.");
1167	warn $_[0];	1993	reload;
1168	$who->message ($_[0]);	1994	$who->message ("end of reload.");
1169	};
1170	}	1995	}
1171	};	1996	};
1172		1997
1173	unshift @INC, $LIBDIR;	1998	unshift @INC, $LIBDIR;
1174		1999
1175	$TICK_WATCHER = Event->timer (	2000	$TICK_WATCHER = Event->timer (
		2001	reentrant => 0,
1176	prio => 1,	2002	prio => 0,
1177	async => 1,
1178	at => $NEXT_TICK || 1,	2003	at => $NEXT_TICK || $TICK,
1179	data => WF_AUTOCANCEL,	2004	data => WF_AUTOCANCEL,
1180	cb => sub {	2005	cb => sub {
		2006	unless ($FREEZE) {
1181	cf::server_tick; # one server iteration	2007	cf::server_tick; # one server iteration
		2008	$RUNTIME += $TICK;
		2009	}
1182		2010
1183	my $NOW = Event::time;
1184	$NEXT_TICK += $TICK;	2011	$NEXT_TICK += $TICK;
1185		2012
1186	# if we are delayed by four ticks or more, skip them all	2013	# if we are delayed by four ticks or more, skip them all
1187	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;	2014	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1188		2015
1189	$TICK_WATCHER->at ($NEXT_TICK);	2016	$TICK_WATCHER->at ($NEXT_TICK);
1190	$TICK_WATCHER->start;	2017	$TICK_WATCHER->start;
1191	},	2018	},
1192	);	2019	);
1193		2020
1194	IO::AIO::max_poll_time $TICK * 0.2;	2021	IO::AIO::max_poll_time $TICK * 0.2;
1195		2022
		2023	Event->io (
1196	Event->io (fd => IO::AIO::poll_fileno,	2024	fd => IO::AIO::poll_fileno,
1197	poll => 'r',	2025	poll => 'r',
1198	prio => 5,	2026	prio => 5,
1199	data => WF_AUTOCANCEL,	2027	data => WF_AUTOCANCEL,
1200	cb => \&IO::AIO::poll_cb);	2028	cb => \&IO::AIO::poll_cb,
		2029	);
		2030
		2031	Event->timer (
		2032	data => WF_AUTOCANCEL,
		2033	after => 0,
		2034	interval => 10,
		2035	cb => sub {
		2036	(Coro::unblock_sub {
		2037	write_runtime
		2038	or warn "ERROR: unable to write runtime file: $!";
		2039	})->();
		2040	},
		2041	);
1201		2042
1202	1	2043	1
1203		2044

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