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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.112 by root, Mon Jan 1 13:31:47 2007 UTC vs.
Revision 1.211 by root, Tue Feb 13 16:23:32 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3;	13	use Coro 3.5 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use BDB ();
		21	use Data::Dumper;
20	use Digest::MD5;	22	use Digest::MD5;
21	use Fcntl;	23	use Fcntl;
22	use IO::AIO 2.31 ();	24	use IO::AIO 2.32 ();
23	use YAML::Syck ();	25	use YAML::Syck ();
24	use Time::HiRes;	26	use Time::HiRes;
		27	use Compress::LZF;
		28
		29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
25		30
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
		32
		33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
27		34
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	36	$YAML::Syck::ImplicitUnicode = 1;
30		37
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		39
35	our %COMMAND = ();	40	our %COMMAND = ();
36	our %COMMAND_TIME = ();	41	our %COMMAND_TIME = ();
		42
		43	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	44	our %EXTCMD = ();
		45	our %EXT_CORO = (); # coroutines bound to extensions
		46	our %EXT_MAP = (); # pluggable maps
38		47
39	our @EVENT;	48	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	49	our $LIBDIR = datadir . "/ext";
41		50
42	our $TICK = MAX_TIME * 1e-6;	51	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	52	our $TICK_WATCHER;
		53	our $AIO_POLL_WATCHER;
		54	our $WRITE_RUNTIME_WATCHER;
44	our $NEXT_TICK;	55	our $NEXT_TICK;
45	our $NOW;	56	our $NOW;
		57	our $USE_FSYNC = 1; # use fsync to write maps - default off
		58
		59	our $BDB_POLL_WATCHER;
		60	our $DB_ENV;
46		61
47	our %CFG;	62	our %CFG;
48		63
49	our $UPTIME; $UPTIME ||= time;	64	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	65	our $RUNTIME;
51		66
		67	our %PLAYER; # all users
52	our %MAP; # all maps	68	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	69	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	70	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	71	our $BDB_ENV_DIR = cf::localdir . "/db";
		72
		73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		75
		76	# used to convert map paths into valid unix filenames by replacing / by ∕
		77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		78
58	binmode STDOUT;	79	binmode STDOUT;
59	binmode STDERR;	80	binmode STDERR;
60		81
61	# read virtual server time, if available	82	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	89	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	90	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	91	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	92	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	93	mkdir $RANDOM_MAPS;
		94	mkdir $BDB_ENV_DIR;
73		95
74	# a special map that is always available	96	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		97
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	98	sub cf::map::normalise;
78		99
79	#############################################################################	100	#############################################################################
80		101
81	=head2 GLOBAL VARIABLES	102	=head2 GLOBAL VARIABLES
82		103
…		…
106		127
107	=item %cf::CFG	128	=item %cf::CFG
108		129
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	130	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	131	from wherever your confdir points to.
		132
		133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		134
		135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		137	processing has been done. Call C<< ->wait >> on them to maximise the
		138	window of cpu time available, or simply to synchronise to the server tick.
111		139
112	=back	140	=back
113		141
114	=cut	142	=cut
115		143
…		…
119	utf8::encode $msg;	147	utf8::encode $msg;
120		148
121	$msg .= "\n"	149	$msg .= "\n"
122	unless $msg =~ /\n$/;	150	unless $msg =~ /\n$/;
123		151
124	LOG llevError, "cfperl: $msg";	152	LOG llevError, $msg;
125	};	153	};
126	}	154	}
127		155
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		175
148	$Event::DIED = sub {	176	$Event::DIED = sub {
149	warn "error in event callback: @_";	177	warn "error in event callback: @_";
150	};	178	};
151		179
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	180	=head2 UTILITY FUNCTIONS
157		181
158	=over 4	182	=over 4
159		183
		184	=item dumpval $ref
		185
160	=cut	186	=cut
		187
		188	sub dumpval {
		189	eval {
		190	local $SIG{__DIE__};
		191	my $d;
		192	if (1) {
		193	$d = new Data::Dumper([$_[0]], ["*var"]);
		194	$d->Terse(1);
		195	$d->Indent(2);
		196	$d->Quotekeys(0);
		197	$d->Useqq(1);
		198	#$d->Bless(...);
		199	$d->Seen($_[1]) if @_ > 1;
		200	$d = $d->Dump();
		201	}
		202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		203	$d
		204	} || "[unable to dump $_[0]: '$@']";
		205	}
161		206
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	207	use JSON::Syck (); # TODO# replace by JSON::PC once working
163		208
164	=item $ref = cf::from_json $json	209	=item $ref = cf::from_json $json
165		210
…		…
180		225
181	sub to_json($) {	226	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	228	JSON::Syck::Dump $_[0]
184	}	229	}
		230
		231	=item cf::lock_wait $string
		232
		233	Wait until the given lock is available. See cf::lock_acquire.
		234
		235	=item my $lock = cf::lock_acquire $string
		236
		237	Wait until the given lock is available and then acquires it and returns
		238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		239	for example when the coroutine gets canceled), the lock is automatically
		240	returned.
		241
		242	Lock names should begin with a unique identifier (for example, cf::map::find
		243	uses map_find and cf::map::load uses map_load).
		244
		245	=cut
		246
		247	our %LOCK;
		248
		249	sub lock_wait($) {
		250	my ($key) = @_;
		251
		252	# wait for lock, if any
		253	while ($LOCK{$key}) {
		254	push @{ $LOCK{$key} }, $Coro::current;
		255	Coro::schedule;
		256	}
		257	}
		258
		259	sub lock_acquire($) {
		260	my ($key) = @_;
		261
		262	# wait, to be sure we are not locked
		263	lock_wait $key;
		264
		265	$LOCK{$key} = [];
		266
		267	Coro::guard {
		268	# wake up all waiters, to be on the safe side
		269	$_->ready for @{ delete $LOCK{$key} };
		270	}
		271	}
		272
		273	sub freeze_mainloop {
		274	return unless $TICK_WATCHER->is_active;
		275
		276	my $guard = Coro::guard {
		277	$TICK_WATCHER->start;
		278	$WRITE_RUNTIME_WATCHER->start;
		279	};
		280	$WRITE_RUNTIME_WATCHER->stop;
		281	$TICK_WATCHER->stop;
		282	$guard
		283	}
		284
		285	=item cf::async { BLOCK }
		286
		287	Currently the same as Coro::async_pool, meaning you cannot use
		288	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		289	thing you are allowed to do is call C<prio> on it.
		290
		291	=cut
		292
		293	BEGIN { *async = \&Coro::async_pool }
185		294
186	=item cf::sync_job { BLOCK }	295	=item cf::sync_job { BLOCK }
187		296
188	The design of crossfire+ requires that the main coro ($Coro::main) is	297	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	298	always able to handle events or runnable, as crossfire+ is only partly
…		…
203	# this is the main coro, too bad, we have to block	312	# this is the main coro, too bad, we have to block
204	# till the operation succeeds, freezing the server :/	313	# till the operation succeeds, freezing the server :/
205		314
206	# TODO: use suspend/resume instead	315	# TODO: use suspend/resume instead
207	# (but this is cancel-safe)	316	# (but this is cancel-safe)
208	local $FREEZE = 1;	317	my $freeze_guard = freeze_mainloop;
209		318
210	my $busy = 1;	319	my $busy = 1;
211	my @res;	320	my @res;
212		321
213	(Coro::async {	322	(async {
214	@res = eval { $job->() };	323	@res = eval { $job->() };
215	warn $@ if $@;	324	warn $@ if $@;
216	undef $busy;	325	undef $busy;
217	})->prio (Coro::PRIO_MAX);	326	})->prio (Coro::PRIO_MAX);
218		327
219	while ($busy) {	328	while ($busy) {
220	Coro::cede_notself;	329	Coro::cede or Event::one_event;
221	Event::one_event unless Coro::nready;
222	}	330	}
223		331
224	wantarray ? @res : $res[0]	332	wantarray ? @res : $res[0]
225	} else {	333	} else {
226	# we are in another coroutine, how wonderful, everything just works	334	# we are in another coroutine, how wonderful, everything just works
227		335
228	$job->()	336	$job->()
229	}	337	}
230	}	338	}
231		339
232	=item $coro = cf::coro { BLOCK }	340	=item $coro = cf::async_ext { BLOCK }
233		341
234	Creates and returns a new coro. This coro is automcatially being canceled	342	Like async, but this coro is automatically being canceled when the
235	when the extension calling this is being unloaded.	343	extension calling this is being unloaded.
236		344
237	=cut	345	=cut
238		346
239	sub coro(&) {	347	sub async_ext(&) {
240	my $cb = shift;	348	my $cb = shift;
241		349
242	my $coro; $coro = async {	350	my $coro = &Coro::async ($cb);
243	eval {
244	$cb->();
245	};
246	warn $@ if $@;
247	};
248		351
249	$coro->on_destroy (sub {	352	$coro->on_destroy (sub {
250	delete $EXT_CORO{$coro+0};	353	delete $EXT_CORO{$coro+0};
251	});	354	});
252	$EXT_CORO{$coro+0} = $coro;	355	$EXT_CORO{$coro+0} = $coro;
253		356
254	$coro	357	$coro
255	}	358	}
256		359
257	sub write_runtime {	360	sub write_runtime {
		361	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
		362
258	my $runtime = cf::localdir . "/runtime";	363	my $runtime = cf::localdir . "/runtime";
259		364
260	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	365	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
261	or return;	366	or return;
262		367
		368	my $value = $cf::RUNTIME + 90 + 10;
263	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	369	# 10 is the runtime save interval, for a monotonic clock
		370	# 60 allows for the watchdog to kill the server.
		371
264	(aio_write $fh, 0, (length $value), $value, 0) <= 0	372	(aio_write $fh, 0, (length $value), $value, 0) <= 0
265	and return;	373	and return;
266		374
		375	# always fsync - this file is important
267	aio_fsync $fh	376	aio_fsync $fh
268	and return;	377	and return;
269		378
270	close $fh	379	close $fh
271	or return;	380	or return;
…		…
277	}	386	}
278		387
279	=back	388	=back
280		389
281	=cut	390	=cut
282
283	#############################################################################
284
285	package cf::path;
286
287	sub new {
288	my ($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		391
393	#############################################################################	392	#############################################################################
394		393
395	=head2 ATTACHABLE OBJECTS	394	=head2 ATTACHABLE OBJECTS
396		395
…		…
522	our @CB_TYPE = (); # registry for type (cf-object class) based events	521	our @CB_TYPE = (); # registry for type (cf-object class) based events
523	our @CB_MAP = ();	522	our @CB_MAP = ();
524		523
525	my %attachment;	524	my %attachment;
526		525
		526	sub cf::attachable::thawer_merge {
		527	# simply override everything except _meta
		528	local $_[0]{_meta};
		529	%{$_[0]} = %{$_[1]};
		530	}
		531
527	sub _attach_cb($$$$) {	532	sub _attach_cb($$$$) {
528	my ($registry, $event, $prio, $cb) = @_;	533	my ($registry, $event, $prio, $cb) = @_;
529		534
530	use sort 'stable';	535	use sort 'stable';
531		536
…		…
702	# object support	707	# object support
703		708
704	sub reattach {	709	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	710	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	711	my ($obj) = @_;
		712
		713	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
707		714
708	my $registry = $obj->registry;	715	my $registry = $obj->registry;
709		716
710	@$registry = ();	717	@$registry = ();
711		718
…		…
758	$filename, length $$rdata, scalar @$objs;	765	$filename, length $$rdata, scalar @$objs;
759		766
760	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	767	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
761	chmod SAVE_MODE, $fh;	768	chmod SAVE_MODE, $fh;
762	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	769	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
763	aio_fsync $fh;	770	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	771	close $fh;
765		772
766	if (@$objs) {	773	if (@$objs) {
767	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	774	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
768	chmod SAVE_MODE, $fh;	775	chmod SAVE_MODE, $fh;
769	my $data = Storable::nfreeze { version => 1, objs => $objs };	776	my $data = Storable::nfreeze { version => 1, objs => $objs };
770	aio_write $fh, 0, (length $data), $data, 0;	777	aio_write $fh, 0, (length $data), $data, 0;
771	aio_fsync $fh;	778	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	779	close $fh;
773	aio_rename "$filename.pst~", "$filename.pst";	780	aio_rename "$filename.pst~", "$filename.pst";
774	}	781	}
775	} else {	782	} else {
776	aio_unlink "$filename.pst";	783	aio_unlink "$filename.pst";
…		…
782	}	789	}
783	} else {	790	} else {
784	aio_unlink $filename;	791	aio_unlink $filename;
785	aio_unlink "$filename.pst";	792	aio_unlink "$filename.pst";
786	}	793	}
		794
		795	#d##TODO# nuke non .map-files if exist
		796	if ($filename =~ s/\.map$//) {
		797	aio_unlink $filename;
		798	aio_unlink "$filename.pst";
		799	}
787	}	800	}
788	}	801	}
789		802
790	sub object_freezer_as_string {	803	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	804	my ($rdata, $objs) = @_;
…		…
797		810
798	sub object_thawer_load {	811	sub object_thawer_load {
799	my ($filename) = @_;	812	my ($filename) = @_;
800		813
801	my ($data, $av);	814	my ($data, $av);
		815
		816	#d#TODO remove .map if file does not exist
		817	aio_stat $filename and $filename =~ s/\.map$//;
802		818
803	(aio_load $filename, $data) >= 0	819	(aio_load $filename, $data) >= 0
804	or return;	820	or return;
805		821
806	unless (aio_stat "$filename.pst") {	822	unless (aio_stat "$filename.pst") {
807	(aio_load "$filename.pst", $av) >= 0	823	(aio_load "$filename.pst", $av) >= 0
808	or return;	824	or return;
809	$av = eval { (Storable::thaw <$av>)->{objs} };	825	$av = eval { (Storable::thaw $av)->{objs} };
810	}	826	}
811		827
		828	warn sprintf "loading %s (%d)\n",
		829	$filename, length $data, scalar @{$av || []};#d#
812	return ($data, $av);	830	return ($data, $av);
813	}	831	}
814		832
815	#############################################################################	833	#############################################################################
816	# command handling &c	834	# command handling &c
…		…
841	=cut	859	=cut
842		860
843	sub register_extcmd {	861	sub register_extcmd {
844	my ($name, $cb) = @_;	862	my ($name, $cb) = @_;
845		863
846	my $caller = caller;
847	#warn "registering extcmd '$name' to '$caller'";
848
849	$EXTCMD{$name} = [$cb, $caller];	864	$EXTCMD{$name} = $cb;
850	}	865	}
851		866
852	cf::player->attach (	867	cf::player->attach (
853	on_command => sub {	868	on_command => sub {
854	my ($pl, $name, $params) = @_;	869	my ($pl, $name, $params) = @_;
…		…
867		882
868	my $msg = eval { from_json $buf };	883	my $msg = eval { from_json $buf };
869		884
870	if (ref $msg) {	885	if (ref $msg) {
871	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	886	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
872	if (my %reply = $cb->[0]->($pl, $msg)) {	887	if (my %reply = $cb->($pl, $msg)) {
873	$pl->ext_reply ($msg->{msgid}, %reply);	888	$pl->ext_reply ($msg->{msgid}, %reply);
874	}	889	}
875	}	890	}
876	} else {	891	} else {
877	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	892	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
879		894
880	cf::override;	895	cf::override;
881	},	896	},
882	);	897	);
883		898
884	sub register {
885	my ($base, $pkg) = @_;
886
887	#TODO
888	}
889
890	sub load_extension {	899	sub load_extension {
891	my ($path) = @_;	900	my ($path) = @_;
892		901
893	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	902	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
894	my $base = $1;	903	my $base = $1;
895	my $pkg = $1;	904	my $pkg = $1;
896	$pkg =~ s/[^[:word:]]/_/g;	905	$pkg =~ s/[^[:word:]]/_/g;
897	$pkg = "ext::$pkg";	906	$pkg = "ext::$pkg";
898		907
899	warn "loading '$path' into '$pkg'\n";	908	warn "... loading '$path' into '$pkg'\n";
900		909
901	open my $fh, "<:utf8", $path	910	open my $fh, "<:utf8", $path
902	or die "$path: $!";	911	or die "$path: $!";
903		912
904	my $source =	913	my $source =
905	"package $pkg; use strict; use utf8;\n"	914	"package $pkg; use strict; use utf8;\n"
906	. "#line 1 \"$path\"\n{\n"	915	. "#line 1 \"$path\"\n{\n"
907	. (do { local $/; <$fh> })	916	. (do { local $/; <$fh> })
908	. "\n};\n1";	917	. "\n};\n1";
909		918
910	eval $source	919	unless (eval $source) {
911	or die $@ ? "$path: $@\n"	920	my $msg = $@ ? "$path: $@\n"
912	: "extension disabled.\n";	921	: "extension disabled.\n";
913		922	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
914	push @exts, $pkg;	923	warn $@;
915	$ext_pkg{$base} = $pkg;	924	warn "mandatory extension failed to load, exiting.\n";
916		925	exit 1;
917	# no strict 'refs';	926	}
918	# @{"$pkg\::ISA"} = ext::;	927	die $@;
919
920	register $base, $pkg;
921	}
922
923	sub unload_extension {
924	my ($pkg) = @_;
925
926	warn "removing extension $pkg\n";
927
928	# remove hooks
929	#TODO
930	# for my $idx (0 .. $#PLUGIN_EVENT) {
931	# delete $hook[$idx]{$pkg};
932	# }	928	}
933		929
934	# remove commands	930	push @EXTS, $pkg;
935	for my $name (keys %COMMAND) {
936	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
937
938	if (@cb) {
939	$COMMAND{$name} = \@cb;
940	} else {
941	delete $COMMAND{$name};
942	}
943	}
944
945	# remove extcmds
946	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
947	delete $EXTCMD{$name};
948	}
949
950	if (my $cb = $pkg->can ("unload")) {
951	eval {
952	$cb->($pkg);
953	1
954	} or warn "$pkg unloaded, but with errors: $@";
955	}
956
957	Symbol::delete_package $pkg;
958	}	931	}
959		932
960	sub load_extensions {	933	sub load_extensions {
961	for my $ext (<$LIBDIR/*.ext>) {	934	for my $ext (<$LIBDIR/*.ext>) {
962	next unless -r $ext;	935	next unless -r $ext;
…		…
966	} or warn "$ext not loaded: $@";	939	} or warn "$ext not loaded: $@";
967	}	940	}
968	}	941	}
969		942
970	#############################################################################	943	#############################################################################
971	# load/save/clean perl data associated with a map
972
973	*cf::mapsupport::on_clean = sub {
974	my ($map) = @_;
975
976	my $path = $map->tmpname;
977	defined $path or return;
978
979	unlink "$path.pst";
980	};
981
982	cf::map->attach (prio => -10000, package => cf::mapsupport::);
983
984	#############################################################################
985	# load/save perl data associated with player->ob objects
986
987	sub all_objects(@) {
988	@_, map all_objects ($_->inv), @_
989	}
990
991	# TODO: compatibility cruft, remove when no longer needed
992	cf::player->attach (
993	on_load => sub {
994	my ($pl, $path) = @_;
995
996	for my $o (all_objects $pl->ob) {
997	if (my $value = $o->get_ob_key_value ("_perl_data")) {
998	$o->set_ob_key_value ("_perl_data");
999
1000	%$o = %{ Storable::thaw pack "H*", $value };
1001	}
1002	}
1003	},
1004	);
1005
1006	#############################################################################
1007		944
1008	=head2 CORE EXTENSIONS	945	=head2 CORE EXTENSIONS
1009		946
1010	Functions and methods that extend core crossfire objects.	947	Functions and methods that extend core crossfire objects.
1011		948
		949	=cut
		950
		951	package cf::player;
		952
		953	use Coro::AIO;
		954
1012	=head3 cf::player	955	=head3 cf::player
1013		956
1014	=over 4	957	=over 4
1015		958
1016	=item cf::player::exists $login	959	=item cf::player::find $login
1017		960
1018	Returns true when the given account exists.	961	Returns the given player object, loading it if necessary (might block).
1019		962
1020	=cut	963	=cut
1021		964
1022	sub cf::player::exists($) {	965	sub playerdir($) {
1023	cf::player::find $_[0]	966	cf::localdir
1024	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	967	. "/"
		968	. cf::playerdir
		969	. "/"
		970	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		971	}
		972
		973	sub path($) {
		974	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		975
		976	(playerdir $login) . "/$login.pl"
		977	}
		978
		979	sub find_active($) {
		980	$cf::PLAYER{$_[0]}
		981	and $cf::PLAYER{$_[0]}->active
		982	and $cf::PLAYER{$_[0]}
		983	}
		984
		985	sub exists($) {
		986	my ($login) = @_;
		987
		988	$cf::PLAYER{$login}
		989	or cf::sync_job { !aio_stat path $login }
		990	}
		991
		992	sub find($) {
		993	return $cf::PLAYER{$_[0]} || do {
		994	my $login = $_[0];
		995
		996	my $guard = cf::lock_acquire "user_find:$login";
		997
		998	$cf::PLAYER{$_[0]} || do {
		999	my $pl = load_pl path $login
		1000	or return;
		1001	$cf::PLAYER{$login} = $pl
		1002	}
		1003	}
		1004	}
		1005
		1006	sub save($) {
		1007	my ($pl) = @_;
		1008
		1009	return if $pl->{deny_save};
		1010
		1011	my $path = path $pl;
		1012	my $guard = cf::lock_acquire "user_save:$path";
		1013
		1014	return if $pl->{deny_save};
		1015
		1016	aio_mkdir playerdir $pl, 0770;
		1017	$pl->{last_save} = $cf::RUNTIME;
		1018
		1019	$pl->save_pl ($path);
		1020	Coro::cede;
		1021	}
		1022
		1023	sub new($) {
		1024	my ($login) = @_;
		1025
		1026	my $self = create;
		1027
		1028	$self->ob->name ($login);
		1029	$self->{deny_save} = 1;
		1030
		1031	$cf::PLAYER{$login} = $self;
		1032
		1033	$self
		1034	}
		1035
		1036	=item $pl->quit_character
		1037
		1038	Nukes the player without looking back. If logged in, the connection will
		1039	be destroyed. May block for a long time.
		1040
		1041	=cut
		1042
		1043	sub quit_character {
		1044	my ($pl) = @_;
		1045
		1046	$pl->{deny_save} = 1;
		1047	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1048
		1049	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1050	$pl->deactivate;
		1051	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1052	$pl->ns->destroy if $pl->ns;
		1053
		1054	my $path = playerdir $pl;
		1055	my $temp = "$path~$cf::RUNTIME~deleting~";
		1056	aio_rename $path, $temp;
		1057	delete $cf::PLAYER{$pl->ob->name};
		1058	$pl->destroy;
		1059	IO::AIO::aio_rmtree $temp;
		1060	}
		1061
		1062	=item cf::player::list_logins
		1063
		1064	Returns am arrayref of all valid playernames in the system, can take a
		1065	while and may block, so not sync_job-capable, ever.
		1066
		1067	=cut
		1068
		1069	sub list_logins {
		1070	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1071	or return [];
		1072
		1073	my @logins;
		1074
		1075	for my $login (@$dirs) {
		1076	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1077	aio_read $fh, 0, 512, my $buf, 0 or next;
		1078	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1079
		1080	utf8::decode $login;
		1081	push @logins, $login;
		1082	}
		1083
		1084	\@logins
		1085	}
		1086
		1087	=item $player->maps
		1088
		1089	Returns an arrayref of map paths that are private for this
		1090	player. May block.
		1091
		1092	=cut
		1093
		1094	sub maps($) {
		1095	my ($pl) = @_;
		1096
		1097	$pl = ref $pl ? $pl->ob->name : $pl;
		1098
		1099	my $files = aio_readdir playerdir $pl
		1100	or return;
		1101
		1102	my @paths;
		1103
		1104	for (@$files) {
		1105	utf8::decode $_;
		1106	next if /\.(?:pl|pst)$/;
		1107	next unless /^$PATH_SEP/o;
		1108
		1109	push @paths, cf::map::normalise "~$pl/$_";
		1110	}
		1111
		1112	\@paths
1025	}	1113	}
1026		1114
1027	=item $player->ext_reply ($msgid, $msgtype, %msg)	1115	=item $player->ext_reply ($msgid, $msgtype, %msg)
1028		1116
1029	Sends an ext reply to the player.	1117	Sends an ext reply to the player.
1030		1118
1031	=cut	1119	=cut
1032		1120
1033	sub cf::player::ext_reply($$$%) {	1121	sub ext_reply($$$%) {
1034	my ($self, $id, %msg) = @_;	1122	my ($self, $id, %msg) = @_;
1035		1123
1036	$msg{msgid} = $id;	1124	$msg{msgid} = $id;
1037		1125
1038	$self->send ("ext " . to_json \%msg);	1126	$self->send ("ext " . cf::to_json \%msg);
1039	}	1127	}
		1128
		1129	package cf;
1040		1130
1041	=back	1131	=back
1042		1132
1043		1133
1044	=head3 cf::map	1134	=head3 cf::map
…		…
1050	package cf::map;	1140	package cf::map;
1051		1141
1052	use Fcntl;	1142	use Fcntl;
1053	use Coro::AIO;	1143	use Coro::AIO;
1054		1144
		1145	use overload
		1146	'""' => \&as_string,
		1147	fallback => 1;
		1148
1055	our $MAX_RESET = 7200;	1149	our $MAX_RESET = 3600;
1056	our $DEFAULT_RESET = 3600;	1150	our $DEFAULT_RESET = 3000;
1057		1151
1058	sub generate_random_map {	1152	sub generate_random_map {
1059	my ($path, $rmp) = @_;	1153	my ($self, $rmp) = @_;
1060
1061	# mit "rum" bekleckern, nicht	1154	# mit "rum" bekleckern, nicht
1062	cf::map::_create_random_map	1155	$self->_create_random_map (
1063	$path,
1064	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1156	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1065	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1157	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1066	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1158	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1067	$rmp->{exit_on_final_map},	1159	$rmp->{exit_on_final_map},
1068	$rmp->{xsize}, $rmp->{ysize},	1160	$rmp->{xsize}, $rmp->{ysize},
1069	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1161	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1070	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1162	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1071	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1163	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1072	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1164	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1073	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1165	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1074	(cf::region::find $rmp->{region})	1166	(cf::region::find $rmp->{region}), $rmp->{custom}
		1167	)
		1168	}
		1169
		1170	=item cf::map->register ($regex, $prio)
		1171
		1172	Register a handler for the map path matching the given regex at the
		1173	givne priority (higher is better, built-in handlers have priority 0, the
		1174	default).
		1175
		1176	=cut
		1177
		1178	sub register {
		1179	my (undef, $regex, $prio) = @_;
		1180	my $pkg = caller;
		1181
		1182	no strict;
		1183	push @{"$pkg\::ISA"}, __PACKAGE__;
		1184
		1185	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1186	}
		1187
		1188	# also paths starting with '/'
		1189	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1190
		1191	sub thawer_merge {
		1192	my ($self, $merge) = @_;
		1193
		1194	# we have to keep some variables in memory intact
		1195	local $self->{path};
		1196	local $self->{load_path};
		1197	local $self->{deny_save};
		1198	local $self->{deny_reset};
		1199
		1200	$self->SUPER::thawer_merge ($merge);
		1201	}
		1202
		1203	sub normalise {
		1204	my ($path, $base) = @_;
		1205
		1206	$path = "$path"; # make sure its a string
		1207
		1208	$path =~ s/\.map$//;
		1209
		1210	# map plan:
		1211	#
		1212	# /! non-realised random map exit (special hack!)
		1213	# {... are special paths that are not being touched
		1214	# ?xxx/... are special absolute paths
		1215	# ?random/... random maps
		1216	# /... normal maps
		1217	# ~user/... per-player map of a specific user
		1218
		1219	$path =~ s/$PATH_SEP/\//go;
		1220
		1221	# treat it as relative path if it starts with
		1222	# something that looks reasonable
		1223	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1224	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1225
		1226	$base =~ s{[^/]+/?$}{};
		1227	$path = "$base/$path";
		1228	}
		1229
		1230	for ($path) {
		1231	redo if s{//}{/};
		1232	redo if s{/\.?/}{/};
		1233	redo if s{/[^/]+/\.\./}{/};
		1234	}
		1235
		1236	$path
		1237	}
		1238
		1239	sub new_from_path {
		1240	my (undef, $path, $base) = @_;
		1241
		1242	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1243
		1244	$path = normalise $path, $base;
		1245
		1246	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1247	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1248	my $self = bless cf::map::new, $pkg;
		1249	$self->{path} = $path; $self->path ($path);
		1250	$self->init; # pass $1 etc.
		1251	return $self;
		1252	}
		1253	}
		1254
		1255	Carp::carp "unable to resolve path '$path' (base '$base').";
		1256	()
		1257	}
		1258
		1259	sub init {
		1260	my ($self) = @_;
		1261
		1262	$self
		1263	}
		1264
		1265	sub as_string {
		1266	my ($self) = @_;
		1267
		1268	"$self->{path}"
		1269	}
		1270
		1271	# the displayed name, this is a one way mapping
		1272	sub visible_name {
		1273	&as_string
		1274	}
		1275
		1276	# the original (read-only) location
		1277	sub load_path {
		1278	my ($self) = @_;
		1279
		1280	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1281	}
		1282
		1283	# the temporary/swap location
		1284	sub save_path {
		1285	my ($self) = @_;
		1286
		1287	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1288	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1289	}
		1290
		1291	# the unique path, undef == no special unique path
		1292	sub uniq_path {
		1293	my ($self) = @_;
		1294
		1295	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1296	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1075	}	1297	}
1076		1298
1077	# and all this just because we cannot iterate over	1299	# and all this just because we cannot iterate over
1078	# all maps in C++...	1300	# all maps in C++...
1079	sub change_all_map_light {	1301	sub change_all_map_light {
1080	my ($change) = @_;	1302	my ($change) = @_;
1081		1303
1082	$_->change_map_light ($change) for values %cf::MAP;	1304	$_->change_map_light ($change)
		1305	for grep $_->outdoor, values %cf::MAP;
1083	}	1306	}
1084		1307
		1308	sub unlink_save {
		1309	my ($self) = @_;
		1310
		1311	utf8::encode (my $save = $self->save_path);
		1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1314
		1315	#d#TODO remove .map and also nuke
		1316	$save =~ s/\.map// or return;#d#
		1317	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1318	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1319	}
		1320
1085	sub try_load_header($) {	1321	sub load_header_from($) {
1086	my ($path) = @_;	1322	my ($self, $path) = @_;
1087		1323
1088	utf8::encode $path;	1324	utf8::encode $path;
1089	aio_open $path, O_RDONLY, 0	1325	#aio_open $path, O_RDONLY, 0
		1326	# or return;
		1327
		1328	$self->_load_header ($path)
1090	or return;	1329	or return;
1091		1330
1092	my $map = cf::map::new	1331	$self->{load_path} = $path;
		1332
		1333	1
		1334	}
		1335
		1336	sub load_header_orig {
		1337	my ($self) = @_;
		1338
		1339	$self->load_header_from ($self->load_path)
		1340	}
		1341
		1342	sub load_header_temp {
		1343	my ($self) = @_;
		1344
		1345	$self->load_header_from ($self->save_path)
		1346	}
		1347
		1348	sub prepare_temp {
		1349	my ($self) = @_;
		1350
		1351	$self->last_access ((delete $self->{last_access})
		1352	|| $cf::RUNTIME); #d#
		1353	# safety
		1354	$self->{instantiate_time} = $cf::RUNTIME
		1355	if $self->{instantiate_time} > $cf::RUNTIME;
		1356	}
		1357
		1358	sub prepare_orig {
		1359	my ($self) = @_;
		1360
		1361	$self->{load_original} = 1;
		1362	$self->{instantiate_time} = $cf::RUNTIME;
		1363	$self->last_access ($cf::RUNTIME);
		1364	$self->instantiate;
		1365	}
		1366
		1367	sub load_header {
		1368	my ($self) = @_;
		1369
		1370	if ($self->load_header_temp) {
		1371	$self->prepare_temp;
		1372	} else {
		1373	$self->load_header_orig
1093	or return;	1374	or return;
		1375	$self->prepare_orig;
		1376	}
1094		1377
1095	$map->load_header ($path)	1378	1
1096	or return;
1097
1098	$map->{load_path} = $path;
1099
1100	$map
1101	}	1379	}
1102		1380
		1381	sub find;
1103	sub find_map {	1382	sub find {
1104	my ($path, $origin) = @_;	1383	my ($path, $origin) = @_;
1105		1384
1106	#warn "find_map<$path,$origin>\n";#d#
1107
1108	$path = new cf::path $path, $origin && $origin->path;	1385	$path = normalise $path, $origin && $origin->path;
1109	my $key = $path->as_string;
1110		1386
		1387	cf::lock_wait "map_find:$path";
		1388
1111	$cf::MAP{$key} || do {	1389	$cf::MAP{$path} || do {
1112	# do it the slow way	1390	my $guard = cf::lock_acquire "map_find:$path";
1113	my $map = try_load_header $path->save_path;	1391	my $map = new_from_path cf::map $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;	1392	or return;
1127		1393
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);	1394	$map->{last_save} = $cf::RUNTIME;
1139		1395
1140	if ($map->should_reset) {	1396	$map->load_header
		1397	or return;
		1398
		1399	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1400	# doing this can freeze the server in a sync job, obviously
		1401	#$cf::WAIT_FOR_TICK->wait;
1141	$map->reset;	1402	$map->reset;
1142	$map = find_map $path;	1403	undef $guard;
		1404	return find $path;
1143	}	1405	}
1144		1406
1145	$cf::MAP{$key} = $map	1407	$cf::MAP{$path} = $map
1146	}	1408	}
1147	}	1409	}
		1410
		1411	sub pre_load { }
		1412	sub post_load { }
1148		1413
1149	sub load {	1414	sub load {
1150	my ($self) = @_;	1415	my ($self) = @_;
1151		1416
		1417	local $self->{deny_reset} = 1; # loading can take a long time
		1418
		1419	my $path = $self->{path};
		1420	my $guard = cf::lock_acquire "map_load:$path";
		1421
1152	return if $self->in_memory != cf::MAP_SWAPPED;	1422	return if $self->in_memory != cf::MAP_SWAPPED;
1153		1423
1154	$self->in_memory (cf::MAP_LOADING);	1424	$self->in_memory (cf::MAP_LOADING);
1155		1425
1156	my $path = $self->{path};
1157
1158	$self->alloc;	1426	$self->alloc;
		1427
		1428	$self->pre_load;
		1429
1159	$self->load_objects ($self->{load_path}, 1)	1430	$self->_load_objects ($self->{load_path}, 1)
1160	or return;	1431	or return;
1161		1432
1162	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1433	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1163	if delete $self->{load_original};	1434	if delete $self->{load_original};
1164		1435
1165	if (my $uniq = $path->uniq_path) {	1436	if (my $uniq = $self->uniq_path) {
1166	utf8::encode $uniq;	1437	utf8::encode $uniq;
1167	if (aio_open $uniq, O_RDONLY, 0) {	1438	if (aio_open $uniq, O_RDONLY, 0) {
1168	$self->clear_unique_items;	1439	$self->clear_unique_items;
1169	$self->load_objects ($uniq, 0);	1440	$self->_load_objects ($uniq, 0);
1170	}	1441	}
1171	}	1442	}
		1443
		1444	Coro::cede;
1172		1445
1173	# now do the right thing for maps	1446	# now do the right thing for maps
1174	$self->link_multipart_objects;	1447	$self->link_multipart_objects;
1175		1448
1176	if ($self->{path}->is_style_map) {	1449	unless ($self->{deny_activate}) {
1177	$self->{deny_save} = 1;	1450	$self->decay_objects;
1178	$self->{deny_reset} = 1;
1179	} else {
1180	$self->fix_auto_apply;	1451	$self->fix_auto_apply;
1181	$self->decay_objects;
1182	$self->update_buttons;	1452	$self->update_buttons;
		1453	Coro::cede;
1183	$self->set_darkness_map;	1454	$self->set_darkness_map;
1184	$self->difficulty ($self->estimate_difficulty)	1455	$self->difficulty ($self->estimate_difficulty)
1185	unless $self->difficulty;	1456	unless $self->difficulty;
		1457	Coro::cede;
1186	$self->activate;	1458	$self->activate;
1187	}	1459	}
1188		1460
		1461	$self->post_load;
		1462
1189	$self->in_memory (cf::MAP_IN_MEMORY);	1463	$self->in_memory (cf::MAP_IN_MEMORY);
1190	}	1464	}
1191		1465
1192	sub load_map_sync {	1466	sub customise_for {
		1467	my ($self, $ob) = @_;
		1468
		1469	return find "~" . $ob->name . "/" . $self->{path}
		1470	if $self->per_player;
		1471
		1472	$self
		1473	}
		1474
		1475	# find and load all maps in the 3x3 area around a map
		1476	sub load_diag {
		1477	my ($map) = @_;
		1478
		1479	my @diag; # diagonal neighbours
		1480
		1481	for (0 .. 3) {
		1482	my $neigh = $map->tile_path ($_)
		1483	or next;
		1484	$neigh = find $neigh, $map
		1485	or next;
		1486	$neigh->load;
		1487
		1488	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1489	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1490	}
		1491
		1492	for (@diag) {
		1493	my $neigh = find @$_
		1494	or next;
		1495	$neigh->load;
		1496	}
		1497	}
		1498
		1499	sub find_sync {
1193	my ($path, $origin) = @_;	1500	my ($path, $origin) = @_;
1194		1501
1195	#warn "load_map_sync<$path, $origin>\n";#d#	1502	cf::sync_job { find $path, $origin }
		1503	}
1196		1504
1197	cf::sync_job {	1505	sub do_load_sync {
1198	my $map = cf::map::find_map $path, $origin	1506	my ($map) = @_;
1199	or return;	1507
		1508	cf::sync_job { $map->load };
		1509	}
		1510
		1511	our %MAP_PREFETCH;
		1512	our $MAP_PREFETCHER = undef;
		1513
		1514	sub find_async {
		1515	my ($path, $origin) = @_;
		1516
		1517	$path = normalise $path, $origin && $origin->{path};
		1518
		1519	if (my $map = $cf::MAP{$path}) {
		1520	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1521	}
		1522
		1523	undef $MAP_PREFETCH{$path};
		1524	$MAP_PREFETCHER ||= cf::async {
		1525	while (%MAP_PREFETCH) {
		1526	for my $path (keys %MAP_PREFETCH) {
		1527	my $map = find $path
		1528	or next;
1200	$map->load;	1529	$map->load;
1201	$map	1530
		1531	delete $MAP_PREFETCH{$path};
		1532	}
		1533	}
		1534	undef $MAP_PREFETCHER;
1202	}	1535	};
		1536	$MAP_PREFETCHER->prio (6);
		1537
		1538	()
1203	}	1539	}
1204		1540
1205	sub save {	1541	sub save {
1206	my ($self) = @_;	1542	my ($self) = @_;
1207		1543
1208	my $save = $self->{path}->save_path; utf8::encode $save;	1544	my $lock = cf::lock_acquire "map_data:" . $self->path;
1209	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1210		1545
1211	$self->{last_save} = $cf::RUNTIME;	1546	$self->{last_save} = $cf::RUNTIME;
1212		1547
1213	return unless $self->dirty;	1548	return unless $self->dirty;
1214		1549
		1550	my $save = $self->save_path; utf8::encode $save;
		1551	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1552
1215	$self->{load_path} = $save;	1553	$self->{load_path} = $save;
1216		1554
1217	return if $self->{deny_save};	1555	return if $self->{deny_save};
1218		1556
		1557	local $self->{last_access} = $self->last_access;#d#
		1558
		1559	cf::async {
		1560	$_->contr->save for $self->players;
		1561	};
		1562
1219	if ($uniq) {	1563	if ($uniq) {
1220	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1564	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1221	$self->save_objects ($uniq, cf::IO_UNIQUES);	1565	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1222	} else {	1566	} else {
1223	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1567	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1224	}	1568	}
1225	}	1569	}
1226		1570
1227	sub swap_out {	1571	sub swap_out {
1228	my ($self) = @_;	1572	my ($self) = @_;
		1573
		1574	# save first because save cedes
		1575	$self->save;
		1576
		1577	my $lock = cf::lock_acquire "map_data:" . $self->path;
1229		1578
1230	return if $self->players;	1579	return if $self->players;
1231	return if $self->in_memory != cf::MAP_IN_MEMORY;	1580	return if $self->in_memory != cf::MAP_IN_MEMORY;
1232	return if $self->{deny_save};	1581	return if $self->{deny_save};
1233		1582
1234	$self->save;
1235	$self->clear;	1583	$self->clear;
1236	$self->in_memory (cf::MAP_SWAPPED);	1584	$self->in_memory (cf::MAP_SWAPPED);
1237	}	1585	}
1238		1586
1239	sub reset_at {	1587	sub reset_at {
1240	my ($self) = @_;	1588	my ($self) = @_;
1241		1589
1242	# TODO: safety, remove and allow resettable per-player maps	1590	# TODO: safety, remove and allow resettable per-player maps
1243	return 1e100 if $self->{path}{user_rel};	1591	return 1e99 if $self->isa ("ext::map_per_player");#d#
1244	return 1e100 if $self->{deny_reset};	1592	return 1e99 if $self->{deny_reset};
1245		1593
1246	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1594	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1247	my $to = $self->reset_timeout || $DEFAULT_RESET;	1595	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1248	$to = $MAX_RESET if $to > $MAX_RESET;
1249		1596
1250	$time + $to	1597	$time + $to
1251	}	1598	}
1252		1599
1253	sub should_reset {	1600	sub should_reset {
1254	my ($self) = @_;	1601	my ($self) = @_;
1255		1602
1256	$self->reset_at <= $cf::RUNTIME	1603	$self->reset_at <= $cf::RUNTIME
1257	}	1604	}
1258		1605
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 {	1606	sub reset {
1268	my ($self) = @_;	1607	my ($self) = @_;
1269		1608
		1609	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1610
1270	return if $self->players;	1611	return if $self->players;
1271	return if $self->{path}{user_rel};#d#	1612	return if $self->isa ("ext::map_per_player");#d#
1272		1613
1273	warn "resetting map ", $self->path;#d#	1614	warn "resetting map ", $self->path;#d#
1274		1615
		1616	$self->in_memory (cf::MAP_SWAPPED);
		1617
		1618	# need to save uniques path
		1619	unless ($self->{deny_save}) {
		1620	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1621
		1622	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1623	if $uniq;
		1624	}
		1625
1275	delete $cf::MAP{$self->path};	1626	delete $cf::MAP{$self->path};
		1627
		1628	$self->clear;
1276		1629
1277	$_->clear_links_to ($self) for values %cf::MAP;	1630	$_->clear_links_to ($self) for values %cf::MAP;
1278		1631
1279	$self->unlink_save;	1632	$self->unlink_save;
1280	$self->destroy;	1633	$self->destroy;
1281	}	1634	}
1282		1635
1283	sub customise_for {	1636	my $nuke_counter = "aaaa";
1284	my ($map, $ob) = @_;
1285		1637
1286	if ($map->per_player) {	1638	sub nuke {
1287	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1639	my ($self) = @_;
1288	}
1289		1640
1290	$map	1641	delete $cf::MAP{$self->path};
1291	}
1292		1642
1293	sub emergency_save {	1643	$self->unlink_save;
1294	local $cf::FREEZE = 1;
1295		1644
1296	warn "enter emergency map save\n";	1645	bless $self, "cf::map";
		1646	delete $self->{deny_reset};
		1647	$self->{deny_save} = 1;
		1648	$self->reset_timeout (1);
		1649	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1297		1650
1298	cf::sync_job {	1651	$cf::MAP{$self->path} = $self;
1299	warn "begin emergency map save\n";	1652
1300	$_->save for values %cf::MAP;	1653	$self->reset; # polite request, might not happen
		1654	}
		1655
		1656	=item cf::map::unique_maps
		1657
		1658	Returns an arrayref of paths of all shared maps that have
		1659	instantiated unique items. May block.
		1660
		1661	=cut
		1662
		1663	sub unique_maps() {
		1664	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1665	or return;
		1666
		1667	my @paths;
		1668
		1669	for (@$files) {
		1670	utf8::decode $_;
		1671	next if /\.pst$/;
		1672	next unless /^$PATH_SEP/o;
		1673
		1674	push @paths, cf::map::normalise $_;
1301	};	1675	}
1302		1676
1303	warn "end emergency map save\n";	1677	\@paths
1304	}	1678	}
1305		1679
1306	package cf;	1680	package cf;
1307		1681
1308	=back	1682	=back
1309		1683
		1684	=head3 cf::object
		1685
		1686	=cut
		1687
		1688	package cf::object;
		1689
		1690	=over 4
		1691
		1692	=item $ob->inv_recursive
		1693
		1694	Returns the inventory of the object _and_ their inventories, recursively.
		1695
		1696	=cut
		1697
		1698	sub inv_recursive_;
		1699	sub inv_recursive_ {
		1700	map { $_, inv_recursive_ $_->inv } @_
		1701	}
		1702
		1703	sub inv_recursive {
		1704	inv_recursive_ inv $_[0]
		1705	}
		1706
		1707	package cf;
		1708
		1709	=back
1310		1710
1311	=head3 cf::object::player	1711	=head3 cf::object::player
1312		1712
1313	=over 4	1713	=over 4
1314		1714
…		…
1350	(ref $cf::CFG{"may_$access"}	1750	(ref $cf::CFG{"may_$access"}
1351	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1751	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1352	: $cf::CFG{"may_$access"})	1752	: $cf::CFG{"may_$access"})
1353	}	1753	}
1354		1754
		1755	=item $player_object->enter_link
		1756
		1757	Freezes the player and moves him/her to a special map (C<{link}>).
		1758
		1759	The player should be reasonably safe there for short amounts of time. You
		1760	I<MUST> call C<leave_link> as soon as possible, though.
		1761
		1762	Will never block.
		1763
		1764	=item $player_object->leave_link ($map, $x, $y)
		1765
		1766	Moves the player out of the special C<{link}> map onto the specified
		1767	map. If the map is not valid (or omitted), the player will be moved back
		1768	to the location he/she was before the call to C<enter_link>, or, if that
		1769	fails, to the emergency map position.
		1770
		1771	Might block.
		1772
		1773	=cut
		1774
		1775	sub link_map {
		1776	unless ($LINK_MAP) {
		1777	$LINK_MAP = cf::map::find "{link}"
		1778	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1779	$LINK_MAP->load;
		1780	}
		1781
		1782	$LINK_MAP
		1783	}
		1784
1355	sub cf::object::player::enter_link {	1785	sub cf::object::player::enter_link {
1356	my ($self) = @_;	1786	my ($self) = @_;
1357		1787
1358	return if $self->map == $LINK_MAP;	1788	$self->deactivate_recursive;
1359		1789
		1790	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1791
1360	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1792	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1361	if $self->map;	1793	if $self->map;
1362		1794
1363	$self->enter_map ($LINK_MAP, 20, 20);	1795	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1364	$self->deactivate_recursive;
1365	}	1796	}
1366		1797
1367	sub cf::object::player::leave_link {	1798	sub cf::object::player::leave_link {
1368	my ($self, $map, $x, $y) = @_;	1799	my ($self, $map, $x, $y) = @_;
1369		1800
1370	my $link_pos = delete $self->{_link_pos};	1801	my $link_pos = delete $self->{_link_pos};
1371		1802
1372	unless ($map) {	1803	unless ($map) {
1373	$self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1374
1375	# restore original map position	1804	# restore original map position
1376	($map, $x, $y) = @{ $link_pos || [] };	1805	($map, $x, $y) = @{ $link_pos || [] };
1377	$map = cf::map::find_map $map;	1806	$map = cf::map::find $map;
1378		1807
1379	unless ($map) {	1808	unless ($map) {
1380	($map, $x, $y) = @$EMERGENCY_POSITION;	1809	($map, $x, $y) = @$EMERGENCY_POSITION;
1381	$map = cf::map::find_map $map	1810	$map = cf::map::find $map
1382	or die "FATAL: cannot load emergency map\n";	1811	or die "FATAL: cannot load emergency map\n";
1383	}	1812	}
1384	}	1813	}
1385		1814
1386	($x, $y) = (-1, -1)	1815	($x, $y) = (-1, -1)
…		…
1389	# use -1 or undef as default coordinates, not 0, 0	1818	# use -1 or undef as default coordinates, not 0, 0
1390	($x, $y) = ($map->enter_x, $map->enter_y)	1819	($x, $y) = ($map->enter_x, $map->enter_y)
1391	if $x <=0 && $y <= 0;	1820	if $x <=0 && $y <= 0;
1392		1821
1393	$map->load;	1822	$map->load;
		1823	$map->load_diag;
1394		1824
		1825	return unless $self->contr->active;
1395	$self->activate_recursive;	1826	$self->activate_recursive;
1396	$self->enter_map ($map, $x, $y);	1827	$self->enter_map ($map, $x, $y);
1397	}	1828	}
1398		1829
		1830	cf::player->attach (
		1831	on_logout => sub {
		1832	my ($pl) = @_;
		1833
		1834	# abort map switching before logout
		1835	if ($pl->ob->{_link_pos}) {
		1836	cf::sync_job {
		1837	$pl->ob->leave_link
		1838	};
		1839	}
		1840	},
		1841	on_login => sub {
		1842	my ($pl) = @_;
		1843
		1844	# try to abort aborted map switching on player login :)
		1845	# should happen only on crashes
		1846	if ($pl->ob->{_link_pos}) {
		1847	$pl->ob->enter_link;
		1848	(async {
		1849	# we need this sleep as the login has a concurrent enter_exit running
		1850	# and this sleep increases chances of the player not ending up in scorn
		1851	$pl->ob->reply (undef,
		1852	"There was an internal problem at your last logout, "
		1853	. "the server will try to bring you to your intended destination in a second.",
		1854	cf::NDI_RED);
		1855	Coro::Timer::sleep 1;
		1856	$pl->ob->leave_link;
		1857	})->prio (2);
		1858	}
		1859	},
		1860	);
		1861
1399	=item $player_object->goto_map ($map, $x, $y)	1862	=item $player_object->goto ($path, $x, $y)
1400		1863
1401	=cut	1864	=cut
1402		1865
1403	sub cf::object::player::goto_map {	1866	sub cf::object::player::goto {
1404	my ($self, $path, $x, $y) = @_;	1867	my ($self, $path, $x, $y) = @_;
1405		1868
1406	$self->enter_link;	1869	$self->enter_link;
1407		1870
1408	(Coro::async {	1871	(async {
1409	$path = new cf::path $path;	1872	my $map = eval {
1410
1411	my $map = cf::map::find_map $path->as_string;	1873	my $map = cf::map::find $path;
1412	$map = $map->customise_for ($self) if $map;	1874	$map = $map->customise_for ($self) if $map;
1413
1414	warn "entering ", $map->path, " at ($x, $y)\n"
1415	if $map;	1875	$map
		1876	} or
		1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1416		1878
1417	$self->leave_link ($map, $x, $y);	1879	$self->leave_link ($map, $x, $y);
1418	})->prio (1);	1880	})->prio (1);
1419	}	1881	}
1420		1882
…		…
1424		1886
1425	sub parse_random_map_params {	1887	sub parse_random_map_params {
1426	my ($spec) = @_;	1888	my ($spec) = @_;
1427		1889
1428	my $rmp = { # defaults	1890	my $rmp = { # defaults
1429	xsize => 10,	1891	xsize => (cf::rndm 15, 40),
1430	ysize => 10,	1892	ysize => (cf::rndm 15, 40),
		1893	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1894	#layout => string,
1431	};	1895	};
1432		1896
1433	for (split /\n/, $spec) {	1897	for (split /\n/, $spec) {
1434	my ($k, $v) = split /\s+/, $_, 2;	1898	my ($k, $v) = split /\s+/, $_, 2;
1435		1899
…		…
1439	$rmp	1903	$rmp
1440	}	1904	}
1441		1905
1442	sub prepare_random_map {	1906	sub prepare_random_map {
1443	my ($exit) = @_;	1907	my ($exit) = @_;
		1908
		1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1444		1910
1445	# all this does is basically replace the /! path by	1911	# all this does is basically replace the /! path by
1446	# a new random map path (?random/...) with a seed	1912	# a new random map path (?random/...) with a seed
1447	# that depends on the exit object	1913	# that depends on the exit object
1448		1914
1449	my $rmp = parse_random_map_params $exit->msg;	1915	my $rmp = parse_random_map_params $exit->msg;
1450		1916
1451	if ($exit->map) {	1917	if ($exit->map) {
1452	$rmp->{region} = $exit->map->region_name;	1918	$rmp->{region} = $exit->region->name;
1453	$rmp->{origin_map} = $exit->map->path;	1919	$rmp->{origin_map} = $exit->map->path;
1454	$rmp->{origin_x} = $exit->x;	1920	$rmp->{origin_x} = $exit->x;
1455	$rmp->{origin_y} = $exit->y;	1921	$rmp->{origin_y} = $exit->y;
1456	}	1922	}
1457		1923
1458	$rmp->{random_seed} ||= $exit->random_seed;	1924	$rmp->{random_seed} ||= $exit->random_seed;
1459		1925
1460	my $data = cf::to_json $rmp;	1926	my $data = cf::to_json $rmp;
1461	my $md5 = Digest::MD5::md5_hex $data;	1927	my $md5 = Digest::MD5::md5_hex $data;
		1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1462		1929
1463	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1464	aio_write $fh, 0, (length $data), $data, 0;	1931	aio_write $fh, 0, (length $data), $data, 0;
		1932	undef $fh;
		1933	aio_rename "$meta~", $meta;
1465		1934
1466	$exit->slaying ("?random/$md5");	1935	$exit->slaying ("?random/$md5");
1467	$exit->msg (undef);	1936	$exit->msg (undef);
1468	}	1937	}
1469	}	1938	}
…		…
1471	sub cf::object::player::enter_exit {	1940	sub cf::object::player::enter_exit {
1472	my ($self, $exit) = @_;	1941	my ($self, $exit) = @_;
1473		1942
1474	return unless $self->type == cf::PLAYER;	1943	return unless $self->type == cf::PLAYER;
1475		1944
		1945	if ($exit->slaying eq "/!") {
		1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1947	cf::sync_job { prepare_random_map $exit };
		1948	}
		1949
		1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1951	my $hp = $exit->stats->hp;
		1952	my $sp = $exit->stats->sp;
		1953
1476	$self->enter_link;	1954	$self->enter_link;
1477		1955
1478	(Coro::async {	1956	(async {
		1957	$self->deactivate_recursive; # just to be sure
1479	unless (eval {	1958	unless (eval {
1480		1959	$self->goto ($slaying, $hp, $sp);
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		1960
1487	1;	1961	1;
1488	}) {	1962	}) {
1489	$self->message ("Something went wrong deep within the crossfire server. "	1963	$self->message ("Something went wrong deep within the crossfire server. "
1490	. "I'll try to bring you back to the map you were before. "	1964	. "I'll try to bring you back to the map you were before. "
1491	. "Please report this to the dungeon master",	1965	. "Please report this to the dungeon master!",
1492	cf::NDI_UNIQUE | cf::NDI_RED);	1966	cf::NDI_UNIQUE | cf::NDI_RED);
1493		1967
1494	warn "ERROR in enter_exit: $@";	1968	warn "ERROR in enter_exit: $@";
1495	$self->leave_link;	1969	$self->leave_link;
1496	}	1970	}
…		…
1547	on_reply => sub {	2021	on_reply => sub {
1548	my ($ns, $msg) = @_;	2022	my ($ns, $msg) = @_;
1549		2023
1550	# this weird shuffling is so that direct followup queries	2024	# this weird shuffling is so that direct followup queries
1551	# get handled first	2025	# get handled first
1552	my $queue = delete $ns->{query_queue};	2026	my $queue = delete $ns->{query_queue}
		2027	or return; # be conservative, not sure how that can happen, but we saw a crash here
1553		2028
1554	(shift @$queue)->[1]->($msg);	2029	(shift @$queue)->[1]->($msg);
		2030	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1555		2031
1556	push @{ $ns->{query_queue} }, @$queue;	2032	push @{ $ns->{query_queue} }, @$queue;
1557		2033
1558	if (@{ $ns->{query_queue} } == @$queue) {	2034	if (@{ $ns->{query_queue} } == @$queue) {
1559	if (@$queue) {	2035	if (@$queue) {
…		…
1563	}	2039	}
1564	}	2040	}
1565	},	2041	},
1566	);	2042	);
1567		2043
1568	=item $client->coro (\&cb)	2044	=item $client->async (\&cb)
1569		2045
1570	Create a new coroutine, running the specified callback. The coroutine will	2046	Create a new coroutine, running the specified callback. The coroutine will
1571	be automatically cancelled when the client gets destroyed (e.g. on logout,	2047	be automatically cancelled when the client gets destroyed (e.g. on logout,
1572	or loss of connection).	2048	or loss of connection).
1573		2049
1574	=cut	2050	=cut
1575		2051
1576	sub cf::client::coro {	2052	sub cf::client::async {
1577	my ($self, $cb) = @_;	2053	my ($self, $cb) = @_;
1578		2054
1579	my $coro; $coro = async {	2055	my $coro = &Coro::async ($cb);
1580	eval {
1581	$cb->();
1582	};
1583	warn $@ if $@;
1584	};
1585		2056
1586	$coro->on_destroy (sub {	2057	$coro->on_destroy (sub {
1587	delete $self->{_coro}{$coro+0};	2058	delete $self->{_coro}{$coro+0};
1588	});	2059	});
1589		2060
…		…
1725	The parameter C<$family> should best start with the name of the extension	2196	The parameter C<$family> should best start with the name of the extension
1726	using it, it should be unique.	2197	using it, it should be unique.
1727		2198
1728	=over 4	2199	=over 4
1729		2200
1730	=item $hashref = cf::db_get $family
1731
1732	Return a hashref for use by the extension C<$family>, which can be
1733	modified. After modifications, you have to call C<cf::db_dirty> or
1734	C<cf::db_sync>.
1735
1736	=item $value = cf::db_get $family => $key	2201	=item $value = cf::db_get $family => $key
1737		2202
1738	Returns a single value from the database	2203	Returns a single value from the database.
1739
1740	=item cf::db_put $family => $hashref
1741
1742	Stores the given family hashref into the database. Updates are delayed, if
1743	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1744		2204
1745	=item cf::db_put $family => $key => $value	2205	=item cf::db_put $family => $key => $value
1746		2206
1747	Stores the given C<$value> in the family hash. Updates are delayed, if you	2207	Stores the given C<$value> in the family.
1748	want the data to be synced to disk immediately, use C<cf::db_sync>.
1749
1750	=item cf::db_dirty
1751
1752	Marks the database as dirty, to be updated at a later time.
1753
1754	=item cf::db_sync
1755
1756	Immediately write the database to disk I<if it is dirty>.
1757		2208
1758	=cut	2209	=cut
1759		2210
1760	our $DB;	2211	our $DB;
1761		2212
1762	{	2213	sub db_init {
		2214	unless ($DB) {
		2215	$DB = BDB::db_create $DB_ENV;
		2216
		2217	cf::sync_job {
		2218	eval {
		2219	$DB->set_flags (BDB::CHKSUM);
		2220
		2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2223	cf::cleanup "db_open(db): $!" if $!;
		2224	};
		2225	cf::cleanup "db_open(db): $@" if $@;
		2226	};
		2227
1763	my $path = cf::localdir . "/database.pst";	2228	my $path = cf::localdir . "/database.pst";
		2229	if (stat $path) {
		2230	cf::sync_job {
		2231	my $pst = Storable::retrieve $path;
1764		2232
1765	sub db_load() {	2233	cf::db_put (board => data => $pst->{board});
1766	warn "loading database $path\n";#d# remove later	2234	cf::db_put (guildrules => data => $pst->{guildrules});
1767	$DB = stat $path ? Storable::retrieve $path : { };	2235	cf::db_put (rent => balance => $pst->{rent}{balance});
1768	}	2236	BDB::db_env_txn_checkpoint $DB_ENV;
1769		2237
1770	my $pid;	2238	unlink $path;
1771
1772	sub db_save() {
1773	warn "saving database $path\n";#d# remove later
1774	waitpid $pid, 0 if $pid;
1775	if (0 == ($pid = fork)) {
1776	$DB->{_meta}{version} = 1;
1777	Storable::nstore $DB, "$path~";
1778	rename "$path~", $path;
1779	cf::_exit 0 if defined $pid;
1780	}	2239	};
1781	}
1782
1783	my $dirty;
1784
1785	sub db_sync() {
1786	db_save if $dirty;
1787	undef $dirty;
1788	}
1789
1790	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1791	db_sync;
1792	});
1793
1794	sub db_dirty() {
1795	$dirty = 1;
1796	$idle->start;
1797	}
1798
1799	sub db_get($;$) {
1800	@_ >= 2
1801	? $DB->{$_[0]}{$_[1]}
1802	: ($DB->{$_[0]} ||= { })
1803	}
1804
1805	sub db_put($$;$) {
1806	if (@_ >= 3) {
1807	$DB->{$_[0]}{$_[1]} = $_[2];
1808	} else {
1809	$DB->{$_[0]} = $_[1];
1810	}
1811	db_dirty;
1812	}
1813
1814	cf::global->attach (
1815	prio => 10000,
1816	on_cleanup => sub {
1817	db_sync;
1818	},	2240	}
1819	);	2241	}
		2242	}
		2243
		2244	sub db_get($$) {
		2245	my $key = "$_[0]/$_[1]";
		2246
		2247	cf::sync_job {
		2248	BDB::db_get $DB, undef, $key, my $data;
		2249
		2250	$! ? ()
		2251	: Compress::LZF::sthaw $data
		2252	}
		2253	}
		2254
		2255	sub db_put($$$) {
		2256	BDB::dbreq_pri 4;
		2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1820	}	2258	}
1821		2259
1822	#############################################################################	2260	#############################################################################
1823	# the server's main()	2261	# the server's init and main functions
		2262
		2263	sub load_resources {
		2264	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2265	or die "unable to load regions file\n";#d#
		2266	}
1824		2267
1825	sub cfg_load {	2268	sub cfg_load {
1826	open my $fh, "<:utf8", cf::confdir . "/config"	2269	open my $fh, "<:utf8", cf::confdir . "/config"
1827	or return;	2270	or return;
1828		2271
1829	local $/;	2272	local $/;
1830	*CFG = YAML::Syck::Load <$fh>;	2273	*CFG = YAML::Syck::Load <$fh>;
		2274
		2275	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2276
		2277	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2278	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2279
		2280	if (exists $CFG{mlockall}) {
		2281	eval {
		2282	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2283	and die "WARNING: m(un)lockall failed: $!\n";
		2284	};
		2285	warn $@ if $@;
		2286	}
		2287	}
		2288
		2289	sub init {
		2290	load_resources;
1831	}	2291	}
1832		2292
1833	sub main {	2293	sub main {
1834	# we must not ever block the main coroutine	2294	# we must not ever block the main coroutine
1835	local $Coro::idle = sub {	2295	local $Coro::idle = sub {
1836	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2296	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1837	(Coro::unblock_sub {	2297	(async {
1838	Event::one_event;	2298	Event::one_event;
1839	})->();	2299	})->prio (Coro::PRIO_MAX);
1840	};	2300	};
1841		2301
1842	cfg_load;	2302	cfg_load;
1843	db_load;	2303	db_init;
1844	load_extensions;	2304	load_extensions;
		2305
		2306	$TICK_WATCHER->start;
1845	Event::loop;	2307	Event::loop;
1846	}	2308	}
1847		2309
1848	#############################################################################	2310	#############################################################################
1849	# initialisation	2311	# initialisation and cleanup
		2312
		2313	# install some emergency cleanup handlers
		2314	BEGIN {
		2315	for my $signal (qw(INT HUP TERM)) {
		2316	Event->signal (
		2317	reentrant => 0,
		2318	data => WF_AUTOCANCEL,
		2319	signal => $signal,
		2320	prio => 0,
		2321	cb => sub {
		2322	cf::cleanup "SIG$signal";
		2323	},
		2324	);
		2325	}
		2326	}
		2327
		2328	sub emergency_save() {
		2329	my $freeze_guard = cf::freeze_mainloop;
		2330
		2331	warn "enter emergency perl save\n";
		2332
		2333	cf::sync_job {
		2334	# use a peculiar iteration method to avoid tripping on perl
		2335	# refcount bugs in for. also avoids problems with players
		2336	# and maps saved/destroyed asynchronously.
		2337	warn "begin emergency player save\n";
		2338	for my $login (keys %cf::PLAYER) {
		2339	my $pl = $cf::PLAYER{$login} or next;
		2340	$pl->valid or next;
		2341	$pl->save;
		2342	}
		2343	warn "end emergency player save\n";
		2344
		2345	warn "begin emergency map save\n";
		2346	for my $path (keys %cf::MAP) {
		2347	my $map = $cf::MAP{$path} or next;
		2348	$map->valid or next;
		2349	$map->save;
		2350	}
		2351	warn "end emergency map save\n";
		2352
		2353	warn "begin emergency database checkpoint\n";
		2354	BDB::db_env_txn_checkpoint $DB_ENV;
		2355	warn "end emergency database checkpoint\n";
		2356	};
		2357
		2358	warn "leave emergency perl save\n";
		2359	}
		2360
		2361	sub post_cleanup {
		2362	my ($make_core) = @_;
		2363
		2364	warn Carp::longmess "post_cleanup backtrace"
		2365	if $make_core;
		2366	}
1850		2367
1851	sub reload() {	2368	sub reload() {
1852	# can/must only be called in main	2369	# can/must only be called in main
1853	if ($Coro::current != $Coro::main) {	2370	if ($Coro::current != $Coro::main) {
1854	warn "can only reload from main coroutine\n";	2371	warn "can only reload from main coroutine";
1855	return;	2372	return;
1856	}	2373	}
1857		2374
1858	warn "reloading...";	2375	warn "reloading...";
1859		2376
1860	local $FREEZE = 1;	2377	warn "cancelling server ticker";
		2378	$TICK_WATCHER->cancel;
		2379
1861	cf::emergency_save;	2380	cf::emergency_save;
1862		2381
1863	eval {	2382	eval {
1864	# if anything goes wrong in here, we should simply crash as we already saved	2383	# if anything goes wrong in here, we should simply crash as we already saved
1865		2384
1866	# cancel all watchers	2385	warn "cancelling all WF_AUTOCANCEL watchers";
1867	for (Event::all_watchers) {	2386	for (Event::all_watchers) {
1868	$_->cancel if $_->data & WF_AUTOCANCEL;	2387	$_->cancel if $_->data & WF_AUTOCANCEL;
1869	}	2388	}
1870		2389
		2390	warn "syncing database to disk";
		2391	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		2392
		2393	warn "flushing outstanding aio requests";
		2394	for (;;) {
		2395	BDB::flush;
		2396	IO::AIO::flush;
		2397	Coro::cede;
		2398	last unless IO::AIO::nreqs || BDB::nreqs;
		2399	warn "iterate...";
		2400	}
		2401
1871	# cancel all extension coros	2402	warn "cancelling all extension coros";
1872	$_->cancel for values %EXT_CORO;	2403	$_->cancel for values %EXT_CORO;
1873	%EXT_CORO = ();	2404	%EXT_CORO = ();
1874		2405
1875	# unload all extensions	2406	warn "removing commands";
1876	for (@exts) {	2407	%COMMAND = ();
		2408
		2409	warn "removing ext commands";
		2410	%EXTCMD = ();
		2411
		2412	warn "unloading/nuking all extensions";
		2413	for my $pkg (@EXTS) {
1877	warn "unloading <$_>";	2414	warn "... unloading $pkg";
1878	unload_extension $_;	2415
		2416	if (my $cb = $pkg->can ("unload")) {
		2417	eval {
		2418	$cb->($pkg);
		2419	1
		2420	} or warn "$pkg unloaded, but with errors: $@";
1879	}	2421	}
1880		2422
		2423	warn "... nuking $pkg";
		2424	Symbol::delete_package $pkg;
		2425	}
		2426
1881	# unload all modules loaded from $LIBDIR	2427	warn "unloading all perl modules loaded from $LIBDIR";
1882	while (my ($k, $v) = each %INC) {	2428	while (my ($k, $v) = each %INC) {
1883	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2429	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1884		2430
1885	warn "removing <$k>";	2431	warn "... unloading $k";
1886	delete $INC{$k};	2432	delete $INC{$k};
1887		2433
1888	$k =~ s/\.pm$//;	2434	$k =~ s/\.pm$//;
1889	$k =~ s/\//::/g;	2435	$k =~ s/\//::/g;
1890		2436
…		…
1893	}	2439	}
1894		2440
1895	Symbol::delete_package $k;	2441	Symbol::delete_package $k;
1896	}	2442	}
1897		2443
1898	# sync database to disk
1899	cf::db_sync;
1900	IO::AIO::flush;
1901
1902	# get rid of safe::, as good as possible	2444	warn "getting rid of safe::, as good as possible";
1903	Symbol::delete_package "safe::$_"	2445	Symbol::delete_package "safe::$_"
1904	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2446	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1905		2447
1906	# remove register_script_function callbacks
1907	# TODO
1908
1909	# unload cf.pm "a bit"	2448	warn "unloading cf.pm \"a bit\"";
1910	delete $INC{"cf.pm"};	2449	delete $INC{"cf.pm"};
1911		2450
1912	# don't, removes xs symbols, too,	2451	# don't, removes xs symbols, too,
1913	# and global variables created in xs	2452	# and global variables created in xs
1914	#Symbol::delete_package __PACKAGE__;	2453	#Symbol::delete_package __PACKAGE__;
1915		2454
1916	# reload cf.pm	2455	warn "unload completed, starting to reload now";
		2456
1917	warn "reloading cf.pm";	2457	warn "reloading cf.pm";
1918	require cf;	2458	require cf;
1919	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1920		2460
1921	# load config and database again	2461	warn "loading config and database again";
1922	cf::cfg_load;	2462	cf::cfg_load;
1923	cf::db_load;
1924		2463
1925	# load extensions
1926	warn "load extensions";	2464	warn "loading extensions";
1927	cf::load_extensions;	2465	cf::load_extensions;
1928		2466
1929	# reattach attachments to objects	2467	warn "reattaching attachments to objects/players";
1930	warn "reattach";
1931	_global_reattach;	2468	_global_reattach;
		2469	warn "reattaching attachments to maps";
		2470	reattach $_ for values %MAP;
		2471
		2472	warn "loading reloadable resources";
		2473	load_resources;
		2474
		2475	warn "restarting server ticker";
		2476
		2477	$TICK_WATCHER->start;
1932	};	2478	};
1933		2479
1934	if ($@) {	2480	if ($@) {
1935	warn $@;	2481	warn $@;
1936	warn "error while reloading, exiting.";	2482	warn "error while reloading, exiting.";
1937	exit 1;	2483	exit 1;
1938	}	2484	}
1939		2485
1940	warn "reloaded successfully";	2486	warn "reloaded";
1941	};	2487	};
1942		2488
1943	#############################################################################	2489	our $RELOAD_WATCHER; # used only during reload
1944
1945	unless ($LINK_MAP) {
1946	$LINK_MAP = cf::map::new;
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} = $LINK_MAP;
1984	}
1985
1986	register "<global>", __PACKAGE__;
1987		2490
1988	register_command "reload" => sub {	2491	register_command "reload" => sub {
1989	my ($who, $arg) = @_;	2492	my ($who, $arg) = @_;
1990		2493
1991	if ($who->flag (FLAG_WIZ)) {	2494	if ($who->flag (FLAG_WIZ)) {
1992	$who->message ("start of reload.");	2495	$who->message ("reloading server.");
		2496
		2497	# doing reload synchronously and two reloads happen back-to-back,
		2498	# coro crashes during coro_state_free->destroy here.
		2499
		2500	$RELOAD_WATCHER ||= Event->timer (
		2501	reentrant => 0,
		2502	after => 0,
		2503	data => WF_AUTOCANCEL,
		2504	cb => sub {
1993	reload;	2505	reload;
1994	$who->message ("end of reload.");	2506	undef $RELOAD_WATCHER;
		2507	},
		2508	);
1995	}	2509	}
1996	};	2510	};
1997		2511
1998	unshift @INC, $LIBDIR;	2512	unshift @INC, $LIBDIR;
		2513
		2514	my $bug_warning = 0;
1999		2515
2000	$TICK_WATCHER = Event->timer (	2516	$TICK_WATCHER = Event->timer (
2001	reentrant => 0,	2517	reentrant => 0,
		2518	parked => 1,
2002	prio => 0,	2519	prio => 0,
2003	at => $NEXT_TICK || $TICK,	2520	at => $NEXT_TICK || $TICK,
2004	data => WF_AUTOCANCEL,	2521	data => WF_AUTOCANCEL,
2005	cb => sub {	2522	cb => sub {
2006	unless ($FREEZE) {	2523	if ($Coro::current != $Coro::main) {
		2524	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2525	unless ++$bug_warning > 10;
		2526	return;
		2527	}
		2528
		2529	$NOW = Event::time;
		2530
2007	cf::server_tick; # one server iteration	2531	cf::server_tick; # one server iteration
2008	$RUNTIME += $TICK;	2532	$RUNTIME += $TICK;
2009	}
2010
2011	$NEXT_TICK += $TICK;	2533	$NEXT_TICK += $TICK;
		2534
		2535	$WAIT_FOR_TICK->broadcast;
		2536	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2537
		2538	Event::sweep;
		2539	Coro::cede_notself;
		2540
		2541	# my $AFTER = Event::time;
		2542	# warn $AFTER - $NOW;#d#
2012		2543
2013	# if we are delayed by four ticks or more, skip them all	2544	# if we are delayed by four ticks or more, skip them all
2014	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2545	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2015		2546
2016	$TICK_WATCHER->at ($NEXT_TICK);	2547	$TICK_WATCHER->at ($NEXT_TICK);
2017	$TICK_WATCHER->start;	2548	$TICK_WATCHER->start;
2018	},	2549	},
2019	);	2550	);
2020		2551
		2552	{
		2553	BDB::max_poll_time $TICK * 0.1;
		2554	$BDB_POLL_WATCHER = Event->io (
		2555	reentrant => 0,
		2556	fd => BDB::poll_fileno,
		2557	poll => 'r',
		2558	prio => 0,
		2559	data => WF_AUTOCANCEL,
		2560	cb => \&BDB::poll_cb,
		2561	);
		2562	BDB::min_parallel 8;
		2563
		2564	BDB::set_sync_prepare {
		2565	my $status;
		2566	my $current = $Coro::current;
		2567	(
		2568	sub {
		2569	$status = $!;
		2570	$current->ready; undef $current;
		2571	},
		2572	sub {
		2573	Coro::schedule while defined $current;
		2574	$! = $status;
		2575	},
		2576	)
		2577	};
		2578
		2579	unless ($DB_ENV) {
		2580	$DB_ENV = BDB::db_env_create;
		2581
		2582	cf::sync_job {
		2583	eval {
		2584	BDB::db_env_open
		2585	$DB_ENV,
		2586	$BDB_ENV_DIR,
		2587	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2588	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2589	0666;
		2590
		2591	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2592
		2593	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2594	$DB_ENV->set_lk_detect;
		2595	};
		2596
		2597	cf::cleanup "db_env_open(db): $@" if $@;
		2598	};
		2599	}
		2600	}
		2601
		2602	{
		2603	IO::AIO::min_parallel 8;
		2604
		2605	undef $Coro::AIO::WATCHER;
2021	IO::AIO::max_poll_time $TICK * 0.2;	2606	IO::AIO::max_poll_time $TICK * 0.1;
2022		2607	$AIO_POLL_WATCHER = Event->io (
2023	Event->io (	2608	reentrant => 0,
2024	fd => IO::AIO::poll_fileno,	2609	fd => IO::AIO::poll_fileno,
2025	poll => 'r',	2610	poll => 'r',
2026	prio => 5,	2611	prio => 6,
2027	data => WF_AUTOCANCEL,	2612	data => WF_AUTOCANCEL,
2028	cb => \&IO::AIO::poll_cb,	2613	cb => \&IO::AIO::poll_cb,
2029	);	2614	);
		2615	}
2030		2616
2031	Event->timer (	2617	$WRITE_RUNTIME_WATCHER = Event->timer (
		2618	reentrant => 0,
2032	data => WF_AUTOCANCEL,	2619	data => WF_AUTOCANCEL,
2033	after => 0,	2620	after => 1,
2034	interval => 10,	2621	interval => 10,
2035	cb => sub {	2622	prio => 6, # keep it lowest so it acts like a watchdog
2036	(Coro::unblock_sub {	2623	cb => Coro::unblock_sub {
2037	write_runtime	2624	write_runtime
2038	or warn "ERROR: unable to write runtime file: $!";	2625	or warn "ERROR: unable to write runtime file: $!";
2039	})->();
2040	},	2626	},
2041	);	2627	);
2042		2628
		2629	END { cf::emergency_save }
		2630
2043	1	2631	1
2044		2632

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