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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.133 by root, Thu Jan 4 16:19:32 2007 UTC vs.
Revision 1.209 by root, Mon Feb 12 01:25:55 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 $RANDOM_MAPS = cf::localdir . "/random";	70	our $RANDOM_MAPS = cf::localdir . "/random";
55	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
56		78
57	binmode STDOUT;	79	binmode STDOUT;
58	binmode STDERR;	80	binmode STDERR;
59		81
60	# read virtual server time, if available	82	# read virtual server time, if available
…		…
67	mkdir cf::localdir;	89	mkdir cf::localdir;
68	mkdir cf::localdir . "/" . cf::playerdir;	90	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	91	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	92	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	93	mkdir $RANDOM_MAPS;
		94	mkdir $BDB_ENV_DIR;
72		95
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	96	our $EMERGENCY_POSITION;
		97
		98	sub cf::map::normalise;
76		99
77	#############################################################################	100	#############################################################################
78		101
79	=head2 GLOBAL VARIABLES	102	=head2 GLOBAL VARIABLES
80		103
…		…
104		127
105	=item %cf::CFG	128	=item %cf::CFG
106		129
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	130	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	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.
109		139
110	=back	140	=back
111		141
112	=cut	142	=cut
113		143
…		…
117	utf8::encode $msg;	147	utf8::encode $msg;
118		148
119	$msg .= "\n"	149	$msg .= "\n"
120	unless $msg =~ /\n$/;	150	unless $msg =~ /\n$/;
121		151
122	LOG llevError, "cfperl: $msg";	152	LOG llevError, $msg;
123	};	153	};
124	}	154	}
125		155
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		175
146	$Event::DIED = sub {	176	$Event::DIED = sub {
147	warn "error in event callback: @_";	177	warn "error in event callback: @_";
148	};	178	};
149		179
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	180	=head2 UTILITY FUNCTIONS
155		181
156	=over 4	182	=over 4
157		183
		184	=item dumpval $ref
		185
158	=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	}
159		206
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	207	use JSON::Syck (); # TODO# replace by JSON::PC once working
161		208
162	=item $ref = cf::from_json $json	209	=item $ref = cf::from_json $json
163		210
…		…
179	sub to_json($) {	226	sub to_json($) {
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]	228	JSON::Syck::Dump $_[0]
182	}	229	}
183		230
184	=item my $guard = cf::guard { BLOCK }
185
186	Run the given callback when the guard object gets destroyed (useful for
187	coroutine cancellations).
188
189	You can call C<< ->cancel >> on the guard object to stop the block from
190	being executed.
191
192	=cut
193
194	sub guard(&) {
195	bless \(my $cb = $_[0]), cf::guard::;
196	}
197
198	sub cf::guard::cancel {
199	${$_[0]} = sub { };
200	}
201
202	sub cf::guard::DESTROY {
203	${$_[0]}->();
204	}
205
206	=item cf::lock_wait $string	231	=item cf::lock_wait $string
207		232
208	Wait until the given lock is available. See cf::lock_acquire.	233	Wait until the given lock is available. See cf::lock_acquire.
209		234
210	=item my $lock = cf::lock_acquire $string	235	=item my $lock = cf::lock_acquire $string
211		236
212	Wait until the given lock is available and then acquires it and returns	237	Wait until the given lock is available and then acquires it and returns
213	a guard object. If the guard object gets destroyed (goes out of scope,	238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
214	for example when the coroutine gets canceled), the lock is automatically	239	for example when the coroutine gets canceled), the lock is automatically
215	returned.	240	returned.
216		241
217	Lock names should begin with a unique identifier (for example, cf::map::find	242	Lock names should begin with a unique identifier (for example, cf::map::find
218	uses map_find and cf::map::load uses map_load).	243	uses map_find and cf::map::load uses map_load).
…		…
237	# wait, to be sure we are not locked	262	# wait, to be sure we are not locked
238	lock_wait $key;	263	lock_wait $key;
239		264
240	$LOCK{$key} = [];	265	$LOCK{$key} = [];
241		266
242	cf::guard {	267	Coro::guard {
243	# wake up all waiters, to be on the safe side	268	# wake up all waiters, to be on the safe side
244	$_->ready for @{ delete $LOCK{$key} };	269	$_->ready for @{ delete $LOCK{$key} };
245	}	270	}
246	}	271	}
247		272
248	=item cf::async { BLOCK }
249
250	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
251	error instead of exiting the server in case of a problem.
252
253	=cut
254
255	sub async(&) {
256	my ($cb) = @_;
257
258	Coro::async {
259	eval { $cb->() };
260	warn $@ if $@;
261	}
262	}
263
264	sub freeze_mainloop {	273	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	274	return unless $TICK_WATCHER->is_active;
266		275
267	my $guard = guard { $TICK_WATCHER->start };	276	my $guard = Coro::guard {
		277	$TICK_WATCHER->start;
		278	$WRITE_RUNTIME_WATCHER->start;
		279	};
		280	$WRITE_RUNTIME_WATCHER->stop;
268	$TICK_WATCHER->stop;	281	$TICK_WATCHER->stop;
269	$guard	282	$guard
270	}	283	}
		284
		285	=item cf::async { BLOCK }
		286
		287	Currently the same as Coro::async_pool, meaning you cannot use
		288	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		289	thing you are allowed to do is call C<prio> on it.
		290
		291	=cut
		292
		293	BEGIN { *async = \&Coro::async_pool }
271		294
272	=item cf::sync_job { BLOCK }	295	=item cf::sync_job { BLOCK }
273		296
274	The design of crossfire+ requires that the main coro ($Coro::main) is	297	The design of crossfire+ requires that the main coro ($Coro::main) is
275	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
…		…
294	my $freeze_guard = freeze_mainloop;	317	my $freeze_guard = freeze_mainloop;
295		318
296	my $busy = 1;	319	my $busy = 1;
297	my @res;	320	my @res;
298		321
299	(Coro::async {	322	(async {
300	@res = eval { $job->() };	323	@res = eval { $job->() };
301	warn $@ if $@;	324	warn $@ if $@;
302	undef $busy;	325	undef $busy;
303	})->prio (Coro::PRIO_MAX);	326	})->prio (Coro::PRIO_MAX);
304		327
305	while ($busy) {	328	while ($busy) {
306	Coro::cede_notself;	329	Coro::cede or Event::one_event;
307	Event::one_event unless Coro::nready;
308	}	330	}
309		331
310	wantarray ? @res : $res[0]	332	wantarray ? @res : $res[0]
311	} else {	333	} else {
312	# we are in another coroutine, how wonderful, everything just works	334	# we are in another coroutine, how wonderful, everything just works
313		335
314	$job->()	336	$job->()
315	}	337	}
316	}	338	}
317		339
318	=item $coro = cf::coro { BLOCK }	340	=item $coro = cf::async_ext { BLOCK }
319		341
320	Creates and returns a new coro. This coro is automcatially being canceled	342	Like async, but this coro is automatically being canceled when the
321	when the extension calling this is being unloaded.	343	extension calling this is being unloaded.
322		344
323	=cut	345	=cut
324		346
325	sub coro(&) {	347	sub async_ext(&) {
326	my $cb = shift;	348	my $cb = shift;
327		349
328	my $coro = &cf::async ($cb);	350	my $coro = &Coro::async ($cb);
329		351
330	$coro->on_destroy (sub {	352	$coro->on_destroy (sub {
331	delete $EXT_CORO{$coro+0};	353	delete $EXT_CORO{$coro+0};
332	});	354	});
333	$EXT_CORO{$coro+0} = $coro;	355	$EXT_CORO{$coro+0} = $coro;
…		…
339	my $runtime = cf::localdir . "/runtime";	361	my $runtime = cf::localdir . "/runtime";
340		362
341	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
342	or return;	364	or return;
343		365
		366	my $value = $cf::RUNTIME + 90 + 10;
344	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	367	# 10 is the runtime save interval, for a monotonic clock
		368	# 60 allows for the watchdog to kill the server.
		369
345	(aio_write $fh, 0, (length $value), $value, 0) <= 0	370	(aio_write $fh, 0, (length $value), $value, 0) <= 0
346	and return;	371	and return;
347		372
		373	# always fsync - this file is important
348	aio_fsync $fh	374	aio_fsync $fh
349	and return;	375	and return;
350		376
351	close $fh	377	close $fh
352	or return;	378	or return;
…		…
358	}	384	}
359		385
360	=back	386	=back
361		387
362	=cut	388	=cut
363
364	#############################################################################
365
366	package cf::path;
367
368	sub new {
369	my ($class, $path, $base) = @_;
370
371	$path = $path->as_string if ref $path;
372
373	my $self = bless { }, $class;
374
375	# {... are special paths that are not touched
376	# ?xxx/... are special absolute paths
377	# ?random/... random maps
378	# /! non-realised random map exit
379	# /... normal maps
380	# ~/... per-player maps without a specific player (DO NOT USE)
381	# ~user/... per-player map of a specific user
382
383	if ($path =~ /^{/) {
384	# fine as it is
385	} elsif ($path =~ s{^\?random/}{}) {
386	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
387	$self->{random} = cf::from_json $data;
388	} else {
389	if ($path =~ s{^~([^/]+)?}{}) {
390	$self->{user_rel} = 1;
391
392	if (defined $1) {
393	$self->{user} = $1;
394	} elsif ($base =~ m{^~([^/]+)/}) {
395	$self->{user} = $1;
396	} else {
397	warn "cannot resolve user-relative path without user <$path,$base>\n";
398	}
399	} elsif ($path =~ /^\//) {
400	# already absolute
401	} else {
402	$base =~ s{[^/]+/?$}{};
403	return $class->new ("$base/$path");
404	}
405
406	for ($path) {
407	redo if s{/\.?/}{/};
408	redo if s{/[^/]+/\.\./}{/};
409	}
410	}
411
412	$self->{path} = $path;
413
414	$self
415	}
416
417	# the name / primary key / in-game path
418	sub as_string {
419	my ($self) = @_;
420
421	$self->{user_rel} ? "~$self->{user}$self->{path}"
422	: $self->{random} ? "?random/$self->{path}"
423	: $self->{path}
424	}
425
426	# the displayed name, this is a one way mapping
427	sub visible_name {
428	my ($self) = @_;
429
430	# if (my $rmp = $self->{random}) {
431	# # todo: be more intelligent about this
432	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
433	# } else {
434	$self->as_string
435	# }
436	}
437
438	# escape the /'s in the path
439	sub _escaped_path {
440	# ∕ is U+2215
441	(my $path = $_[0]{path}) =~ s/\//∕/g;
442	$path
443	}
444
445	# the original (read-only) location
446	sub load_path {
447	my ($self) = @_;
448
449	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
450	}
451
452	# the temporary/swap location
453	sub save_path {
454	my ($self) = @_;
455
456	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
457	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
458	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
459	}
460
461	# the unique path, might be eq to save_path
462	sub uniq_path {
463	my ($self) = @_;
464
465	$self->{user_rel} || $self->{random}
466	? undef
467	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
468	}
469
470	# return random map parameters, or undef
471	sub random_map_params {
472	my ($self) = @_;
473
474	$self->{random}
475	}
476
477	# this is somewhat ugly, but style maps do need special treatment
478	sub is_style_map {
479	$_[0]{path} =~ m{^/styles/}
480	}
481
482	package cf;
483		389
484	#############################################################################	390	#############################################################################
485		391
486	=head2 ATTACHABLE OBJECTS	392	=head2 ATTACHABLE OBJECTS
487		393
…		…
613	our @CB_TYPE = (); # registry for type (cf-object class) based events	519	our @CB_TYPE = (); # registry for type (cf-object class) based events
614	our @CB_MAP = ();	520	our @CB_MAP = ();
615		521
616	my %attachment;	522	my %attachment;
617		523
		524	sub cf::attachable::thawer_merge {
		525	# simply override everything except _meta
		526	local $_[0]{_meta};
		527	%{$_[0]} = %{$_[1]};
		528	}
		529
618	sub _attach_cb($$$$) {	530	sub _attach_cb($$$$) {
619	my ($registry, $event, $prio, $cb) = @_;	531	my ($registry, $event, $prio, $cb) = @_;
620		532
621	use sort 'stable';	533	use sort 'stable';
622		534
…		…
793	# object support	705	# object support
794		706
795	sub reattach {	707	sub reattach {
796	# basically do the same as instantiate, without calling instantiate	708	# basically do the same as instantiate, without calling instantiate
797	my ($obj) = @_;	709	my ($obj) = @_;
		710
		711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
798		712
799	my $registry = $obj->registry;	713	my $registry = $obj->registry;
800		714
801	@$registry = ();	715	@$registry = ();
802		716
…		…
849	$filename, length $$rdata, scalar @$objs;	763	$filename, length $$rdata, scalar @$objs;
850		764
851	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
852	chmod SAVE_MODE, $fh;	766	chmod SAVE_MODE, $fh;
853	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
854	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
855	close $fh;	769	close $fh;
856		770
857	if (@$objs) {	771	if (@$objs) {
858	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
859	chmod SAVE_MODE, $fh;	773	chmod SAVE_MODE, $fh;
860	my $data = Storable::nfreeze { version => 1, objs => $objs };	774	my $data = Storable::nfreeze { version => 1, objs => $objs };
861	aio_write $fh, 0, (length $data), $data, 0;	775	aio_write $fh, 0, (length $data), $data, 0;
862	aio_fsync $fh;	776	aio_fsync $fh if $cf::USE_FSYNC;
863	close $fh;	777	close $fh;
864	aio_rename "$filename.pst~", "$filename.pst";	778	aio_rename "$filename.pst~", "$filename.pst";
865	}	779	}
866	} else {	780	} else {
867	aio_unlink "$filename.pst";	781	aio_unlink "$filename.pst";
…		…
873	}	787	}
874	} else {	788	} else {
875	aio_unlink $filename;	789	aio_unlink $filename;
876	aio_unlink "$filename.pst";	790	aio_unlink "$filename.pst";
877	}	791	}
		792
		793	#d##TODO# nuke non .map-files if exist
		794	if ($filename =~ s/\.map$//) {
		795	aio_unlink $filename;
		796	aio_unlink "$filename.pst";
		797	}
878	}	798	}
879	}	799	}
880		800
881	sub object_freezer_as_string {	801	sub object_freezer_as_string {
882	my ($rdata, $objs) = @_;	802	my ($rdata, $objs) = @_;
…		…
888		808
889	sub object_thawer_load {	809	sub object_thawer_load {
890	my ($filename) = @_;	810	my ($filename) = @_;
891		811
892	my ($data, $av);	812	my ($data, $av);
		813
		814	#d#TODO remove .map if file does not exist
		815	aio_stat $filename and $filename =~ s/\.map$//;
893		816
894	(aio_load $filename, $data) >= 0	817	(aio_load $filename, $data) >= 0
895	or return;	818	or return;
896		819
897	unless (aio_stat "$filename.pst") {	820	unless (aio_stat "$filename.pst") {
…		…
934	=cut	857	=cut
935		858
936	sub register_extcmd {	859	sub register_extcmd {
937	my ($name, $cb) = @_;	860	my ($name, $cb) = @_;
938		861
939	my $caller = caller;
940	#warn "registering extcmd '$name' to '$caller'";
941
942	$EXTCMD{$name} = [$cb, $caller];	862	$EXTCMD{$name} = $cb;
943	}	863	}
944		864
945	cf::player->attach (	865	cf::player->attach (
946	on_command => sub {	866	on_command => sub {
947	my ($pl, $name, $params) = @_;	867	my ($pl, $name, $params) = @_;
…		…
960		880
961	my $msg = eval { from_json $buf };	881	my $msg = eval { from_json $buf };
962		882
963	if (ref $msg) {	883	if (ref $msg) {
964	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
965	if (my %reply = $cb->[0]->($pl, $msg)) {	885	if (my %reply = $cb->($pl, $msg)) {
966	$pl->ext_reply ($msg->{msgid}, %reply);	886	$pl->ext_reply ($msg->{msgid}, %reply);
967	}	887	}
968	}	888	}
969	} else {	889	} else {
970	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
972		892
973	cf::override;	893	cf::override;
974	},	894	},
975	);	895	);
976		896
977	sub register {
978	my ($base, $pkg) = @_;
979
980	#TODO
981	}
982
983	sub load_extension {	897	sub load_extension {
984	my ($path) = @_;	898	my ($path) = @_;
985		899
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
987	my $base = $1;	901	my $base = $1;
988	my $pkg = $1;	902	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;	903	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";	904	$pkg = "ext::$pkg";
991		905
992	warn "loading '$path' into '$pkg'\n";	906	warn "... loading '$path' into '$pkg'\n";
993		907
994	open my $fh, "<:utf8", $path	908	open my $fh, "<:utf8", $path
995	or die "$path: $!";	909	or die "$path: $!";
996		910
997	my $source =	911	my $source =
998	"package $pkg; use strict; use utf8;\n"	912	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"	913	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })	914	. (do { local $/; <$fh> })
1001	. "\n};\n1";	915	. "\n};\n1";
1002		916
1003	eval $source	917	unless (eval $source) {
1004	or die $@ ? "$path: $@\n"	918	my $msg = $@ ? "$path: $@\n"
1005	: "extension disabled.\n";	919	: "extension disabled.\n";
1006		920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1007	push @exts, $pkg;	921	warn $@;
1008	$ext_pkg{$base} = $pkg;	922	warn "mandatory extension failed to load, exiting.\n";
1009		923	exit 1;
1010	# no strict 'refs';	924	}
1011	# @{"$pkg\::ISA"} = ext::;	925	die $@;
1012
1013	register $base, $pkg;
1014	}
1015
1016	sub unload_extension {
1017	my ($pkg) = @_;
1018
1019	warn "removing extension $pkg\n";
1020
1021	# remove hooks
1022	#TODO
1023	# for my $idx (0 .. $#PLUGIN_EVENT) {
1024	# delete $hook[$idx]{$pkg};
1025	# }	926	}
1026		927
1027	# remove commands	928	push @EXTS, $pkg;
1028	for my $name (keys %COMMAND) {
1029	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1030
1031	if (@cb) {
1032	$COMMAND{$name} = \@cb;
1033	} else {
1034	delete $COMMAND{$name};
1035	}
1036	}
1037
1038	# remove extcmds
1039	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1040	delete $EXTCMD{$name};
1041	}
1042
1043	if (my $cb = $pkg->can ("unload")) {
1044	eval {
1045	$cb->($pkg);
1046	1
1047	} or warn "$pkg unloaded, but with errors: $@";
1048	}
1049
1050	Symbol::delete_package $pkg;
1051	}	929	}
1052		930
1053	sub load_extensions {	931	sub load_extensions {
1054	for my $ext (<$LIBDIR/*.ext>) {	932	for my $ext (<$LIBDIR/*.ext>) {
1055	next unless -r $ext;	933	next unless -r $ext;
…		…
1059	} or warn "$ext not loaded: $@";	937	} or warn "$ext not loaded: $@";
1060	}	938	}
1061	}	939	}
1062		940
1063	#############################################################################	941	#############################################################################
1064	# load/save/clean perl data associated with a map
1065
1066	*cf::mapsupport::on_clean = sub {
1067	my ($map) = @_;
1068
1069	my $path = $map->tmpname;
1070	defined $path or return;
1071
1072	unlink "$path.pst";
1073	};
1074
1075	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1076
1077	#############################################################################
1078	# load/save perl data associated with player->ob objects
1079
1080	sub all_objects(@) {
1081	@_, map all_objects ($_->inv), @_
1082	}
1083
1084	# TODO: compatibility cruft, remove when no longer needed
1085	cf::player->attach (
1086	on_load => sub {
1087	my ($pl, $path) = @_;
1088
1089	for my $o (all_objects $pl->ob) {
1090	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1091	$o->set_ob_key_value ("_perl_data");
1092
1093	%$o = %{ Storable::thaw pack "H*", $value };
1094	}
1095	}
1096	},
1097	);
1098
1099	#############################################################################
1100		942
1101	=head2 CORE EXTENSIONS	943	=head2 CORE EXTENSIONS
1102		944
1103	Functions and methods that extend core crossfire objects.	945	Functions and methods that extend core crossfire objects.
1104		946
		947	=cut
		948
		949	package cf::player;
		950
		951	use Coro::AIO;
		952
1105	=head3 cf::player	953	=head3 cf::player
1106		954
1107	=over 4	955	=over 4
1108		956
1109	=item cf::player::exists $login	957	=item cf::player::find $login
1110		958
1111	Returns true when the given account exists.	959	Returns the given player object, loading it if necessary (might block).
1112		960
1113	=cut	961	=cut
1114		962
1115	sub cf::player::exists($) {	963	sub playerdir($) {
1116	cf::player::find $_[0]	964	cf::localdir
1117	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	965	. "/"
		966	. cf::playerdir
		967	. "/"
		968	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		969	}
		970
		971	sub path($) {
		972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		973
		974	(playerdir $login) . "/$login.pl"
		975	}
		976
		977	sub find_active($) {
		978	$cf::PLAYER{$_[0]}
		979	and $cf::PLAYER{$_[0]}->active
		980	and $cf::PLAYER{$_[0]}
		981	}
		982
		983	sub exists($) {
		984	my ($login) = @_;
		985
		986	$cf::PLAYER{$login}
		987	or cf::sync_job { !aio_stat path $login }
		988	}
		989
		990	sub find($) {
		991	return $cf::PLAYER{$_[0]} || do {
		992	my $login = $_[0];
		993
		994	my $guard = cf::lock_acquire "user_find:$login";
		995
		996	$cf::PLAYER{$_[0]} || do {
		997	my $pl = load_pl path $login
		998	or return;
		999	$cf::PLAYER{$login} = $pl
		1000	}
		1001	}
		1002	}
		1003
		1004	sub save($) {
		1005	my ($pl) = @_;
		1006
		1007	return if $pl->{deny_save};
		1008
		1009	my $path = path $pl;
		1010	my $guard = cf::lock_acquire "user_save:$path";
		1011
		1012	return if $pl->{deny_save};
		1013
		1014	aio_mkdir playerdir $pl, 0770;
		1015	$pl->{last_save} = $cf::RUNTIME;
		1016
		1017	$pl->save_pl ($path);
		1018	Coro::cede;
		1019	}
		1020
		1021	sub new($) {
		1022	my ($login) = @_;
		1023
		1024	my $self = create;
		1025
		1026	$self->ob->name ($login);
		1027	$self->{deny_save} = 1;
		1028
		1029	$cf::PLAYER{$login} = $self;
		1030
		1031	$self
		1032	}
		1033
		1034	=item $pl->quit_character
		1035
		1036	Nukes the player without looking back. If logged in, the connection will
		1037	be destroyed. May block for a long time.
		1038
		1039	=cut
		1040
		1041	sub quit_character {
		1042	my ($pl) = @_;
		1043
		1044	$pl->{deny_save} = 1;
		1045	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1046
		1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1048	$pl->deactivate;
		1049	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1050	$pl->ns->destroy if $pl->ns;
		1051
		1052	my $path = playerdir $pl;
		1053	my $temp = "$path~$cf::RUNTIME~deleting~";
		1054	aio_rename $path, $temp;
		1055	delete $cf::PLAYER{$pl->ob->name};
		1056	$pl->destroy;
		1057	IO::AIO::aio_rmtree $temp;
		1058	}
		1059
		1060	=item cf::player::list_logins
		1061
		1062	Returns am arrayref of all valid playernames in the system, can take a
		1063	while and may block, so not sync_job-capable, ever.
		1064
		1065	=cut
		1066
		1067	sub list_logins {
		1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1069	or return [];
		1070
		1071	my @logins;
		1072
		1073	for my $login (@$dirs) {
		1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1075	aio_read $fh, 0, 512, my $buf, 0 or next;
		1076	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1077
		1078	utf8::decode $login;
		1079	push @logins, $login;
		1080	}
		1081
		1082	\@logins
		1083	}
		1084
		1085	=item $player->maps
		1086
		1087	Returns an arrayref of map paths that are private for this
		1088	player. May block.
		1089
		1090	=cut
		1091
		1092	sub maps($) {
		1093	my ($pl) = @_;
		1094
		1095	$pl = ref $pl ? $pl->ob->name : $pl;
		1096
		1097	my $files = aio_readdir playerdir $pl
		1098	or return;
		1099
		1100	my @paths;
		1101
		1102	for (@$files) {
		1103	utf8::decode $_;
		1104	next if /\.(?:pl|pst)$/;
		1105	next unless /^$PATH_SEP/o;
		1106
		1107	push @paths, cf::map::normalise "~$pl/$_";
		1108	}
		1109
		1110	\@paths
1118	}	1111	}
1119		1112
1120	=item $player->ext_reply ($msgid, $msgtype, %msg)	1113	=item $player->ext_reply ($msgid, $msgtype, %msg)
1121		1114
1122	Sends an ext reply to the player.	1115	Sends an ext reply to the player.
1123		1116
1124	=cut	1117	=cut
1125		1118
1126	sub cf::player::ext_reply($$$%) {	1119	sub ext_reply($$$%) {
1127	my ($self, $id, %msg) = @_;	1120	my ($self, $id, %msg) = @_;
1128		1121
1129	$msg{msgid} = $id;	1122	$msg{msgid} = $id;
1130		1123
1131	$self->send ("ext " . to_json \%msg);	1124	$self->send ("ext " . cf::to_json \%msg);
1132	}	1125	}
		1126
		1127	package cf;
1133		1128
1134	=back	1129	=back
1135		1130
1136		1131
1137	=head3 cf::map	1132	=head3 cf::map
…		…
1143	package cf::map;	1138	package cf::map;
1144		1139
1145	use Fcntl;	1140	use Fcntl;
1146	use Coro::AIO;	1141	use Coro::AIO;
1147		1142
		1143	use overload
		1144	'""' => \&as_string,
		1145	fallback => 1;
		1146
1148	our $MAX_RESET = 3600;	1147	our $MAX_RESET = 3600;
1149	our $DEFAULT_RESET = 3000;	1148	our $DEFAULT_RESET = 3000;
1150		1149
1151	sub generate_random_map {	1150	sub generate_random_map {
1152	my ($path, $rmp) = @_;	1151	my ($self, $rmp) = @_;
1153
1154	# mit "rum" bekleckern, nicht	1152	# mit "rum" bekleckern, nicht
1155	cf::map::_create_random_map	1153	$self->_create_random_map (
1156	$path,
1157	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1154	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1158	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1155	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1159	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1156	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1160	$rmp->{exit_on_final_map},	1157	$rmp->{exit_on_final_map},
1161	$rmp->{xsize}, $rmp->{ysize},	1158	$rmp->{xsize}, $rmp->{ysize},
1162	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1159	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1163	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1160	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1164	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1161	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1165	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1162	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1166	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1163	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1167	(cf::region::find $rmp->{region})	1164	(cf::region::find $rmp->{region}), $rmp->{custom}
		1165	)
		1166	}
		1167
		1168	=item cf::map->register ($regex, $prio)
		1169
		1170	Register a handler for the map path matching the given regex at the
		1171	givne priority (higher is better, built-in handlers have priority 0, the
		1172	default).
		1173
		1174	=cut
		1175
		1176	sub register {
		1177	my (undef, $regex, $prio) = @_;
		1178	my $pkg = caller;
		1179
		1180	no strict;
		1181	push @{"$pkg\::ISA"}, __PACKAGE__;
		1182
		1183	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1184	}
		1185
		1186	# also paths starting with '/'
		1187	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1188
		1189	sub thawer_merge {
		1190	my ($self, $merge) = @_;
		1191
		1192	# we have to keep some variables in memory intact
		1193	local $self->{path};
		1194	local $self->{load_path};
		1195	local $self->{deny_save};
		1196	local $self->{deny_reset};
		1197
		1198	$self->SUPER::thawer_merge ($merge);
		1199	}
		1200
		1201	sub normalise {
		1202	my ($path, $base) = @_;
		1203
		1204	$path = "$path"; # make sure its a string
		1205
		1206	$path =~ s/\.map$//;
		1207
		1208	# map plan:
		1209	#
		1210	# /! non-realised random map exit (special hack!)
		1211	# {... are special paths that are not being touched
		1212	# ?xxx/... are special absolute paths
		1213	# ?random/... random maps
		1214	# /... normal maps
		1215	# ~user/... per-player map of a specific user
		1216
		1217	$path =~ s/$PATH_SEP/\//go;
		1218
		1219	# treat it as relative path if it starts with
		1220	# something that looks reasonable
		1221	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1222	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1223
		1224	$base =~ s{[^/]+/?$}{};
		1225	$path = "$base/$path";
		1226	}
		1227
		1228	for ($path) {
		1229	redo if s{//}{/};
		1230	redo if s{/\.?/}{/};
		1231	redo if s{/[^/]+/\.\./}{/};
		1232	}
		1233
		1234	$path
		1235	}
		1236
		1237	sub new_from_path {
		1238	my (undef, $path, $base) = @_;
		1239
		1240	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1241
		1242	$path = normalise $path, $base;
		1243
		1244	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1245	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1246	my $self = bless cf::map::new, $pkg;
		1247	$self->{path} = $path; $self->path ($path);
		1248	$self->init; # pass $1 etc.
		1249	return $self;
		1250	}
		1251	}
		1252
		1253	Carp::carp "unable to resolve path '$path' (base '$base').";
		1254	()
		1255	}
		1256
		1257	sub init {
		1258	my ($self) = @_;
		1259
		1260	$self
		1261	}
		1262
		1263	sub as_string {
		1264	my ($self) = @_;
		1265
		1266	"$self->{path}"
		1267	}
		1268
		1269	# the displayed name, this is a one way mapping
		1270	sub visible_name {
		1271	&as_string
		1272	}
		1273
		1274	# the original (read-only) location
		1275	sub load_path {
		1276	my ($self) = @_;
		1277
		1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1279	}
		1280
		1281	# the temporary/swap location
		1282	sub save_path {
		1283	my ($self) = @_;
		1284
		1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1287	}
		1288
		1289	# the unique path, undef == no special unique path
		1290	sub uniq_path {
		1291	my ($self) = @_;
		1292
		1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1168	}	1295	}
1169		1296
1170	# and all this just because we cannot iterate over	1297	# and all this just because we cannot iterate over
1171	# all maps in C++...	1298	# all maps in C++...
1172	sub change_all_map_light {	1299	sub change_all_map_light {
…		…
1174		1301
1175	$_->change_map_light ($change)	1302	$_->change_map_light ($change)
1176	for grep $_->outdoor, values %cf::MAP;	1303	for grep $_->outdoor, values %cf::MAP;
1177	}	1304	}
1178		1305
		1306	sub unlink_save {
		1307	my ($self) = @_;
		1308
		1309	utf8::encode (my $save = $self->save_path);
		1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1312
		1313	#d#TODO remove .map and also nuke
		1314	$save =~ s/\.map// or return;#d#
		1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1317	}
		1318
1179	sub try_load_header($) {	1319	sub load_header_from($) {
1180	my ($path) = @_;	1320	my ($self, $path) = @_;
1181		1321
1182	utf8::encode $path;	1322	utf8::encode $path;
1183	aio_open $path, O_RDONLY, 0	1323	#aio_open $path, O_RDONLY, 0
		1324	# or return;
		1325
		1326	$self->_load_header ($path)
1184	or return;	1327	or return;
1185		1328
1186	my $map = cf::map::new	1329	$self->{load_path} = $path;
		1330
		1331	1
		1332	}
		1333
		1334	sub load_header_orig {
		1335	my ($self) = @_;
		1336
		1337	$self->load_header_from ($self->load_path)
		1338	}
		1339
		1340	sub load_header_temp {
		1341	my ($self) = @_;
		1342
		1343	$self->load_header_from ($self->save_path)
		1344	}
		1345
		1346	sub prepare_temp {
		1347	my ($self) = @_;
		1348
		1349	$self->last_access ((delete $self->{last_access})
		1350	|| $cf::RUNTIME); #d#
		1351	# safety
		1352	$self->{instantiate_time} = $cf::RUNTIME
		1353	if $self->{instantiate_time} > $cf::RUNTIME;
		1354	}
		1355
		1356	sub prepare_orig {
		1357	my ($self) = @_;
		1358
		1359	$self->{load_original} = 1;
		1360	$self->{instantiate_time} = $cf::RUNTIME;
		1361	$self->last_access ($cf::RUNTIME);
		1362	$self->instantiate;
		1363	}
		1364
		1365	sub load_header {
		1366	my ($self) = @_;
		1367
		1368	if ($self->load_header_temp) {
		1369	$self->prepare_temp;
		1370	} else {
		1371	$self->load_header_orig
1187	or return;	1372	or return;
		1373	$self->prepare_orig;
		1374	}
1188		1375
1189	$map->load_header ($path)	1376	1
1190	or return;
1191
1192	$map->{load_path} = $path;
1193
1194	$map
1195	}	1377	}
1196		1378
1197	sub find;	1379	sub find;
1198	sub find {	1380	sub find {
1199	my ($path, $origin) = @_;	1381	my ($path, $origin) = @_;
1200		1382
1201	#warn "find<$path,$origin>\n";#d#
1202
1203	$path = new cf::path $path, $origin && $origin->path;	1383	$path = normalise $path, $origin && $origin->path;
1204	my $key = $path->as_string;
1205		1384
1206	cf::lock_wait "map_find:$key";	1385	cf::lock_wait "map_find:$path";
1207		1386
1208	$cf::MAP{$key} || do {	1387	$cf::MAP{$path} || do {
1209	my $guard = cf::lock_acquire "map_find:$key";	1388	my $guard = cf::lock_acquire "map_find:$path";
1210		1389	my $map = new_from_path cf::map $path
1211	# do it the slow way
1212	my $map = try_load_header $path->save_path;
1213
1214	if ($map) {
1215	$map->last_access ((delete $map->{last_access})
1216	|| $cf::RUNTIME); #d#
1217	# safety
1218	$map->{instantiate_time} = $cf::RUNTIME
1219	if $map->{instantiate_time} > $cf::RUNTIME;
1220	} else {
1221	if (my $rmp = $path->random_map_params) {
1222	$map = generate_random_map $key, $rmp;
1223	} else {
1224	$map = try_load_header $path->load_path;
1225	}
1226
1227	$map or return;	1390	or return;
1228		1391
1229	$map->{load_original} = 1;
1230	$map->{instantiate_time} = $cf::RUNTIME;
1231	$map->last_access ($cf::RUNTIME);
1232	$map->instantiate;
1233
1234	# per-player maps become, after loading, normal maps
1235	$map->per_player (0) if $path->{user_rel};
1236	}
1237
1238	$map->path ($key);
1239	$map->{path} = $path;
1240	$map->{last_save} = $cf::RUNTIME;	1392	$map->{last_save} = $cf::RUNTIME;
1241		1393
1242	if ($map->should_reset) {	1394	$map->load_header
		1395	or return;
		1396
		1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1398	# doing this can freeze the server in a sync job, obviously
		1399	#$cf::WAIT_FOR_TICK->wait;
1243	$map->reset;	1400	$map->reset;
1244	undef $guard;	1401	undef $guard;
1245	$map = find $path	1402	return find $path;
1246	or return;
1247	}	1403	}
1248		1404
1249	$cf::MAP{$key} = $map	1405	$cf::MAP{$path} = $map
1250	}	1406	}
1251	}	1407	}
		1408
		1409	sub pre_load { }
		1410	sub post_load { }
1252		1411
1253	sub load {	1412	sub load {
1254	my ($self) = @_;	1413	my ($self) = @_;
1255		1414
		1415	local $self->{deny_reset} = 1; # loading can take a long time
		1416
1256	my $path = $self->{path};	1417	my $path = $self->{path};
1257	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1418	my $guard = cf::lock_acquire "map_load:$path";
1258		1419
1259	return if $self->in_memory != cf::MAP_SWAPPED;	1420	return if $self->in_memory != cf::MAP_SWAPPED;
1260		1421
1261	$self->in_memory (cf::MAP_LOADING);	1422	$self->in_memory (cf::MAP_LOADING);
1262		1423
1263	$self->alloc;	1424	$self->alloc;
		1425
		1426	$self->pre_load;
		1427
1264	$self->load_objects ($self->{load_path}, 1)	1428	$self->_load_objects ($self->{load_path}, 1)
1265	or return;	1429	or return;
1266		1430
1267	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1268	if delete $self->{load_original};	1432	if delete $self->{load_original};
1269		1433
1270	if (my $uniq = $path->uniq_path) {	1434	if (my $uniq = $self->uniq_path) {
1271	utf8::encode $uniq;	1435	utf8::encode $uniq;
1272	if (aio_open $uniq, O_RDONLY, 0) {	1436	if (aio_open $uniq, O_RDONLY, 0) {
1273	$self->clear_unique_items;	1437	$self->clear_unique_items;
1274	$self->load_objects ($uniq, 0);	1438	$self->_load_objects ($uniq, 0);
1275	}	1439	}
1276	}	1440	}
		1441
		1442	Coro::cede;
1277		1443
1278	# now do the right thing for maps	1444	# now do the right thing for maps
1279	$self->link_multipart_objects;	1445	$self->link_multipart_objects;
1280		1446
1281	if ($self->{path}->is_style_map) {	1447	unless ($self->{deny_activate}) {
1282	$self->{deny_save} = 1;	1448	$self->decay_objects;
1283	$self->{deny_reset} = 1;
1284	} else {
1285	$self->fix_auto_apply;	1449	$self->fix_auto_apply;
1286	$self->decay_objects;
1287	$self->update_buttons;	1450	$self->update_buttons;
		1451	Coro::cede;
1288	$self->set_darkness_map;	1452	$self->set_darkness_map;
1289	$self->difficulty ($self->estimate_difficulty)	1453	$self->difficulty ($self->estimate_difficulty)
1290	unless $self->difficulty;	1454	unless $self->difficulty;
		1455	Coro::cede;
1291	$self->activate;	1456	$self->activate;
1292	}	1457	}
1293		1458
		1459	$self->post_load;
		1460
1294	$self->in_memory (cf::MAP_IN_MEMORY);	1461	$self->in_memory (cf::MAP_IN_MEMORY);
		1462	}
		1463
		1464	sub customise_for {
		1465	my ($self, $ob) = @_;
		1466
		1467	return find "~" . $ob->name . "/" . $self->{path}
		1468	if $self->per_player;
		1469
		1470	$self
		1471	}
		1472
		1473	# find and load all maps in the 3x3 area around a map
		1474	sub load_diag {
		1475	my ($map) = @_;
		1476
		1477	my @diag; # diagonal neighbours
		1478
		1479	for (0 .. 3) {
		1480	my $neigh = $map->tile_path ($_)
		1481	or next;
		1482	$neigh = find $neigh, $map
		1483	or next;
		1484	$neigh->load;
		1485
		1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1488	}
		1489
		1490	for (@diag) {
		1491	my $neigh = find @$_
		1492	or next;
		1493	$neigh->load;
		1494	}
1295	}	1495	}
1296		1496
1297	sub find_sync {	1497	sub find_sync {
1298	my ($path, $origin) = @_;	1498	my ($path, $origin) = @_;
1299		1499
1300	cf::sync_job { cf::map::find $path, $origin }	1500	cf::sync_job { find $path, $origin }
1301	}	1501	}
1302		1502
1303	sub do_load_sync {	1503	sub do_load_sync {
1304	my ($map) = @_;	1504	my ($map) = @_;
1305		1505
1306	cf::sync_job { $map->load };	1506	cf::sync_job { $map->load };
1307	}	1507	}
1308		1508
		1509	our %MAP_PREFETCH;
		1510	our $MAP_PREFETCHER = undef;
		1511
		1512	sub find_async {
		1513	my ($path, $origin) = @_;
		1514
		1515	$path = normalise $path, $origin && $origin->{path};
		1516
		1517	if (my $map = $cf::MAP{$path}) {
		1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1519	}
		1520
		1521	undef $MAP_PREFETCH{$path};
		1522	$MAP_PREFETCHER ||= cf::async {
		1523	while (%MAP_PREFETCH) {
		1524	for my $path (keys %MAP_PREFETCH) {
		1525	my $map = find $path
		1526	or next;
		1527	$map->load;
		1528
		1529	delete $MAP_PREFETCH{$path};
		1530	}
		1531	}
		1532	undef $MAP_PREFETCHER;
		1533	};
		1534	$MAP_PREFETCHER->prio (6);
		1535
		1536	()
		1537	}
		1538
1309	sub save {	1539	sub save {
1310	my ($self) = @_;	1540	my ($self) = @_;
1311		1541
		1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1543
1312	$self->{last_save} = $cf::RUNTIME;	1544	$self->{last_save} = $cf::RUNTIME;
1313		1545
1314	return unless $self->dirty;	1546	return unless $self->dirty;
1315		1547
1316	my $save = $self->{path}->save_path; utf8::encode $save;	1548	my $save = $self->save_path; utf8::encode $save;
1317	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1549	my $uniq = $self->uniq_path; utf8::encode $uniq;
1318		1550
1319	$self->{load_path} = $save;	1551	$self->{load_path} = $save;
1320		1552
1321	return if $self->{deny_save};	1553	return if $self->{deny_save};
1322		1554
1323	local $self->{last_access} = $self->last_access;#d#	1555	local $self->{last_access} = $self->last_access;#d#
1324		1556
		1557	cf::async {
		1558	$_->contr->save for $self->players;
		1559	};
		1560
1325	if ($uniq) {	1561	if ($uniq) {
1326	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1327	$self->save_objects ($uniq, cf::IO_UNIQUES);	1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1328	} else {	1564	} else {
1329	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1565	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1330	}	1566	}
1331	}	1567	}
1332		1568
1333	sub swap_out {	1569	sub swap_out {
1334	my ($self) = @_;	1570	my ($self) = @_;
1335		1571
1336	# save first because save cedes	1572	# save first because save cedes
1337	$self->save;	1573	$self->save;
		1574
		1575	my $lock = cf::lock_acquire "map_data:" . $self->path;
1338		1576
1339	return if $self->players;	1577	return if $self->players;
1340	return if $self->in_memory != cf::MAP_IN_MEMORY;	1578	return if $self->in_memory != cf::MAP_IN_MEMORY;
1341	return if $self->{deny_save};	1579	return if $self->{deny_save};
1342		1580
…		…
1346		1584
1347	sub reset_at {	1585	sub reset_at {
1348	my ($self) = @_;	1586	my ($self) = @_;
1349		1587
1350	# TODO: safety, remove and allow resettable per-player maps	1588	# TODO: safety, remove and allow resettable per-player maps
1351	return 1e99 if $self->{path}{user_rel};	1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1352	return 1e99 if $self->{deny_reset};	1590	return 1e99 if $self->{deny_reset};
1353		1591
1354	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1355	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1356		1594
…		…
1361	my ($self) = @_;	1599	my ($self) = @_;
1362		1600
1363	$self->reset_at <= $cf::RUNTIME	1601	$self->reset_at <= $cf::RUNTIME
1364	}	1602	}
1365		1603
1366	sub unlink_save {
1367	my ($self) = @_;
1368
1369	utf8::encode (my $save = $self->{path}->save_path);
1370	aioreq_pri 3; IO::AIO::aio_unlink $save;
1371	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1372	}
1373
1374	sub rename {
1375	my ($self, $new_path) = @_;
1376
1377	$self->unlink_save;
1378
1379	delete $cf::MAP{$self->path};
1380	$self->{path} = new cf::path $new_path;
1381	$self->path ($self->{path}->as_string);
1382	$cf::MAP{$self->path} = $self;
1383
1384	$self->save;
1385	}
1386
1387	sub reset {	1604	sub reset {
1388	my ($self) = @_;	1605	my ($self) = @_;
1389		1606
		1607	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1608
1390	return if $self->players;	1609	return if $self->players;
1391	return if $self->{path}{user_rel};#d#	1610	return if $self->isa ("ext::map_per_player");#d#
1392		1611
1393	warn "resetting map ", $self->path;#d#	1612	warn "resetting map ", $self->path;#d#
1394		1613
1395	delete $cf::MAP{$self->path};	1614	delete $cf::MAP{$self->path};
		1615
		1616	$self->in_memory (cf::MAP_SWAPPED);
		1617	$self->clear;
1396		1618
1397	$_->clear_links_to ($self) for values %cf::MAP;	1619	$_->clear_links_to ($self) for values %cf::MAP;
1398		1620
1399	$self->unlink_save;	1621	$self->unlink_save;
1400	$self->destroy;	1622	$self->destroy;
…		…
1403	my $nuke_counter = "aaaa";	1625	my $nuke_counter = "aaaa";
1404		1626
1405	sub nuke {	1627	sub nuke {
1406	my ($self) = @_;	1628	my ($self) = @_;
1407		1629
		1630	delete $cf::MAP{$self->path};
		1631
		1632	$self->unlink_save;
		1633
		1634	bless $self, "cf::map";
		1635	delete $self->{deny_reset};
1408	$self->{deny_save} = 1;	1636	$self->{deny_save} = 1;
1409	$self->reset_timeout (1);	1637	$self->reset_timeout (1);
1410	$self->rename ("{nuke}/" . ($nuke_counter++));	1638	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1639
		1640	$cf::MAP{$self->path} = $self;
		1641
1411	$self->reset; # polite request, might not happen	1642	$self->reset; # polite request, might not happen
1412	}	1643	}
1413		1644
1414	sub customise_for {	1645	=item cf::map::unique_maps
1415	my ($map, $ob) = @_;
1416		1646
1417	if ($map->per_player) {	1647	Returns an arrayref of paths of all shared maps that have
1418	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1648	instantiated unique items. May block.
1419	}
1420		1649
1421	$map	1650	=cut
1422	}
1423		1651
1424	sub emergency_save {	1652	sub unique_maps() {
1425	my $freeze_guard = cf::freeze_mainloop;	1653	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1654	or return;
1426		1655
1427	warn "enter emergency map save\n";	1656	my @paths;
1428		1657
1429	cf::sync_job {	1658	for (@$files) {
1430	warn "begin emergency map save\n";	1659	utf8::decode $_;
1431	$_->save for values %cf::MAP;	1660	next if /\.pst$/;
		1661	next unless /^$PATH_SEP/o;
		1662
		1663	push @paths, cf::map::normalise $_;
1432	};	1664	}
1433		1665
1434	warn "end emergency map save\n";	1666	\@paths
1435	}	1667	}
1436		1668
1437	package cf;	1669	package cf;
1438		1670
1439	=back	1671	=back
1440		1672
		1673	=head3 cf::object
		1674
		1675	=cut
		1676
		1677	package cf::object;
		1678
		1679	=over 4
		1680
		1681	=item $ob->inv_recursive
		1682
		1683	Returns the inventory of the object _and_ their inventories, recursively.
		1684
		1685	=cut
		1686
		1687	sub inv_recursive_;
		1688	sub inv_recursive_ {
		1689	map { $_, inv_recursive_ $_->inv } @_
		1690	}
		1691
		1692	sub inv_recursive {
		1693	inv_recursive_ inv $_[0]
		1694	}
		1695
		1696	package cf;
		1697
		1698	=back
1441		1699
1442	=head3 cf::object::player	1700	=head3 cf::object::player
1443		1701
1444	=over 4	1702	=over 4
1445		1703
…		…
1485		1743
1486	=item $player_object->enter_link	1744	=item $player_object->enter_link
1487		1745
1488	Freezes the player and moves him/her to a special map (C<{link}>).	1746	Freezes the player and moves him/her to a special map (C<{link}>).
1489		1747
1490	The player should be reaosnably safe there for short amounts of time. You	1748	The player should be reasonably safe there for short amounts of time. You
1491	I<MUST> call C<leave_link> as soon as possible, though.	1749	I<MUST> call C<leave_link> as soon as possible, though.
1492		1750
		1751	Will never block.
		1752
1493	=item $player_object->leave_link ($map, $x, $y)	1753	=item $player_object->leave_link ($map, $x, $y)
1494		1754
1495	Moves the player out of the specila link map onto the given map. If the	1755	Moves the player out of the special C<{link}> map onto the specified
1496	map is not valid (or omitted), the player will be moved back to the	1756	map. If the map is not valid (or omitted), the player will be moved back
1497	location he/she was before the call to C<enter_link>, or, if that fails,	1757	to the location he/she was before the call to C<enter_link>, or, if that
1498	to the emergency map position.	1758	fails, to the emergency map position.
1499		1759
1500	Might block.	1760	Might block.
1501		1761
1502	=cut	1762	=cut
		1763
		1764	sub link_map {
		1765	unless ($LINK_MAP) {
		1766	$LINK_MAP = cf::map::find "{link}"
		1767	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1768	$LINK_MAP->load;
		1769	}
		1770
		1771	$LINK_MAP
		1772	}
1503		1773
1504	sub cf::object::player::enter_link {	1774	sub cf::object::player::enter_link {
1505	my ($self) = @_;	1775	my ($self) = @_;
1506		1776
1507	$self->deactivate_recursive;	1777	$self->deactivate_recursive;
1508		1778
1509	return if $self->map == $LINK_MAP;	1779	return if UNIVERSAL::isa $self->map, "ext::map_link";
1510		1780
1511	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1781	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1512	if $self->map;	1782	if $self->map;
1513		1783
1514	$self->enter_map ($LINK_MAP, 20, 20);	1784	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1515	}	1785	}
1516		1786
1517	sub cf::object::player::leave_link {	1787	sub cf::object::player::leave_link {
1518	my ($self, $map, $x, $y) = @_;	1788	my ($self, $map, $x, $y) = @_;
1519		1789
…		…
1537	# use -1 or undef as default coordinates, not 0, 0	1807	# use -1 or undef as default coordinates, not 0, 0
1538	($x, $y) = ($map->enter_x, $map->enter_y)	1808	($x, $y) = ($map->enter_x, $map->enter_y)
1539	if $x <=0 && $y <= 0;	1809	if $x <=0 && $y <= 0;
1540		1810
1541	$map->load;	1811	$map->load;
		1812	$map->load_diag;
1542		1813
		1814	return unless $self->contr->active;
1543	$self->activate_recursive;	1815	$self->activate_recursive;
1544	$self->enter_map ($map, $x, $y);	1816	$self->enter_map ($map, $x, $y);
1545	}	1817	}
1546		1818
1547	cf::player->attach (	1819	cf::player->attach (
…		…
1560		1832
1561	# try to abort aborted map switching on player login :)	1833	# try to abort aborted map switching on player login :)
1562	# should happen only on crashes	1834	# should happen only on crashes
1563	if ($pl->ob->{_link_pos}) {	1835	if ($pl->ob->{_link_pos}) {
1564	$pl->ob->enter_link;	1836	$pl->ob->enter_link;
1565	cf::async {	1837	(async {
1566	# we need this sleep as the login has a concurrent enter_exit running	1838	# we need this sleep as the login has a concurrent enter_exit running
1567	# and this sleep increases chances of the player not ending up in scorn	1839	# and this sleep increases chances of the player not ending up in scorn
		1840	$pl->ob->reply (undef,
		1841	"There was an internal problem at your last logout, "
		1842	. "the server will try to bring you to your intended destination in a second.",
		1843	cf::NDI_RED);
1568	Coro::Timer::sleep 1;	1844	Coro::Timer::sleep 1;
1569	$pl->ob->leave_link;	1845	$pl->ob->leave_link;
1570	};	1846	})->prio (2);
1571	}	1847	}
1572	},	1848	},
1573	);	1849	);
1574		1850
1575	=item $player_object->goto_map ($path, $x, $y)	1851	=item $player_object->goto ($path, $x, $y)
1576		1852
1577	=cut	1853	=cut
1578		1854
1579	sub cf::object::player::goto_map {	1855	sub cf::object::player::goto {
1580	my ($self, $path, $x, $y) = @_;	1856	my ($self, $path, $x, $y) = @_;
1581		1857
1582	$self->enter_link;	1858	$self->enter_link;
1583		1859
1584	(cf::async {	1860	(async {
1585	$path = new cf::path $path;	1861	my $map = eval {
1586
1587	my $map = cf::map::find $path->as_string;	1862	my $map = cf::map::find $path;
1588	$map = $map->customise_for ($self) if $map;	1863	$map = $map->customise_for ($self) if $map;
1589		1864	$map
1590	# warn "entering ", $map->path, " at ($x, $y)\n"	1865	} or
1591	# if $map;
1592
1593	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1866	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1594		1867
1595	$self->leave_link ($map, $x, $y);	1868	$self->leave_link ($map, $x, $y);
1596	})->prio (1);	1869	})->prio (1);
1597	}	1870	}
1598		1871
…		…
1602		1875
1603	sub parse_random_map_params {	1876	sub parse_random_map_params {
1604	my ($spec) = @_;	1877	my ($spec) = @_;
1605		1878
1606	my $rmp = { # defaults	1879	my $rmp = { # defaults
1607	xsize => 10,	1880	xsize => (cf::rndm 15, 40),
1608	ysize => 10,	1881	ysize => (cf::rndm 15, 40),
		1882	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1883	#layout => string,
1609	};	1884	};
1610		1885
1611	for (split /\n/, $spec) {	1886	for (split /\n/, $spec) {
1612	my ($k, $v) = split /\s+/, $_, 2;	1887	my ($k, $v) = split /\s+/, $_, 2;
1613		1888
…		…
1617	$rmp	1892	$rmp
1618	}	1893	}
1619		1894
1620	sub prepare_random_map {	1895	sub prepare_random_map {
1621	my ($exit) = @_;	1896	my ($exit) = @_;
		1897
		1898	my $guard = cf::lock_acquire "exit_prepare:$exit";
1622		1899
1623	# all this does is basically replace the /! path by	1900	# all this does is basically replace the /! path by
1624	# a new random map path (?random/...) with a seed	1901	# a new random map path (?random/...) with a seed
1625	# that depends on the exit object	1902	# that depends on the exit object
1626		1903
1627	my $rmp = parse_random_map_params $exit->msg;	1904	my $rmp = parse_random_map_params $exit->msg;
1628		1905
1629	if ($exit->map) {	1906	if ($exit->map) {
1630	$rmp->{region} = $exit->map->region_name;	1907	$rmp->{region} = $exit->region->name;
1631	$rmp->{origin_map} = $exit->map->path;	1908	$rmp->{origin_map} = $exit->map->path;
1632	$rmp->{origin_x} = $exit->x;	1909	$rmp->{origin_x} = $exit->x;
1633	$rmp->{origin_y} = $exit->y;	1910	$rmp->{origin_y} = $exit->y;
1634	}	1911	}
1635		1912
1636	$rmp->{random_seed} ||= $exit->random_seed;	1913	$rmp->{random_seed} ||= $exit->random_seed;
1637		1914
1638	my $data = cf::to_json $rmp;	1915	my $data = cf::to_json $rmp;
1639	my $md5 = Digest::MD5::md5_hex $data;	1916	my $md5 = Digest::MD5::md5_hex $data;
		1917	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1640		1918
1641	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1919	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1642	aio_write $fh, 0, (length $data), $data, 0;	1920	aio_write $fh, 0, (length $data), $data, 0;
		1921	undef $fh;
		1922	aio_rename "$meta~", $meta;
1643		1923
1644	$exit->slaying ("?random/$md5");	1924	$exit->slaying ("?random/$md5");
1645	$exit->msg (undef);	1925	$exit->msg (undef);
1646	}	1926	}
1647	}	1927	}
…		…
1649	sub cf::object::player::enter_exit {	1929	sub cf::object::player::enter_exit {
1650	my ($self, $exit) = @_;	1930	my ($self, $exit) = @_;
1651		1931
1652	return unless $self->type == cf::PLAYER;	1932	return unless $self->type == cf::PLAYER;
1653		1933
		1934	if ($exit->slaying eq "/!") {
		1935	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1936	cf::sync_job { prepare_random_map $exit };
		1937	}
		1938
		1939	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1940	my $hp = $exit->stats->hp;
		1941	my $sp = $exit->stats->sp;
		1942
1654	$self->enter_link;	1943	$self->enter_link;
1655		1944
1656	(cf::async {	1945	(async {
1657	$self->deactivate_recursive; # just to be sure	1946	$self->deactivate_recursive; # just to be sure
1658	unless (eval {	1947	unless (eval {
1659	prepare_random_map $exit	1948	$self->goto ($slaying, $hp, $sp);
1660	if $exit->slaying eq "/!";
1661
1662	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1663	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1664		1949
1665	1;	1950	1;
1666	}) {	1951	}) {
1667	$self->message ("Something went wrong deep within the crossfire server. "	1952	$self->message ("Something went wrong deep within the crossfire server. "
1668	. "I'll try to bring you back to the map you were before. "	1953	. "I'll try to bring you back to the map you were before. "
1669	. "Please report this to the dungeon master",	1954	. "Please report this to the dungeon master!",
1670	cf::NDI_UNIQUE | cf::NDI_RED);	1955	cf::NDI_UNIQUE | cf::NDI_RED);
1671		1956
1672	warn "ERROR in enter_exit: $@";	1957	warn "ERROR in enter_exit: $@";
1673	$self->leave_link;	1958	$self->leave_link;
1674	}	1959	}
…		…
1729	# get handled first	2014	# get handled first
1730	my $queue = delete $ns->{query_queue}	2015	my $queue = delete $ns->{query_queue}
1731	or return; # be conservative, not sure how that can happen, but we saw a crash here	2016	or return; # be conservative, not sure how that can happen, but we saw a crash here
1732		2017
1733	(shift @$queue)->[1]->($msg);	2018	(shift @$queue)->[1]->($msg);
		2019	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1734		2020
1735	push @{ $ns->{query_queue} }, @$queue;	2021	push @{ $ns->{query_queue} }, @$queue;
1736		2022
1737	if (@{ $ns->{query_queue} } == @$queue) {	2023	if (@{ $ns->{query_queue} } == @$queue) {
1738	if (@$queue) {	2024	if (@$queue) {
…		…
1742	}	2028	}
1743	}	2029	}
1744	},	2030	},
1745	);	2031	);
1746		2032
1747	=item $client->coro (\&cb)	2033	=item $client->async (\&cb)
1748		2034
1749	Create a new coroutine, running the specified callback. The coroutine will	2035	Create a new coroutine, running the specified callback. The coroutine will
1750	be automatically cancelled when the client gets destroyed (e.g. on logout,	2036	be automatically cancelled when the client gets destroyed (e.g. on logout,
1751	or loss of connection).	2037	or loss of connection).
1752		2038
1753	=cut	2039	=cut
1754		2040
1755	sub cf::client::coro {	2041	sub cf::client::async {
1756	my ($self, $cb) = @_;	2042	my ($self, $cb) = @_;
1757		2043
1758	my $coro = &cf::async ($cb);	2044	my $coro = &Coro::async ($cb);
1759		2045
1760	$coro->on_destroy (sub {	2046	$coro->on_destroy (sub {
1761	delete $self->{_coro}{$coro+0};	2047	delete $self->{_coro}{$coro+0};
1762	});	2048	});
1763		2049
…		…
1899	The parameter C<$family> should best start with the name of the extension	2185	The parameter C<$family> should best start with the name of the extension
1900	using it, it should be unique.	2186	using it, it should be unique.
1901		2187
1902	=over 4	2188	=over 4
1903		2189
1904	=item $hashref = cf::db_get $family
1905
1906	Return a hashref for use by the extension C<$family>, which can be
1907	modified. After modifications, you have to call C<cf::db_dirty> or
1908	C<cf::db_sync>.
1909
1910	=item $value = cf::db_get $family => $key	2190	=item $value = cf::db_get $family => $key
1911		2191
1912	Returns a single value from the database	2192	Returns a single value from the database.
1913
1914	=item cf::db_put $family => $hashref
1915
1916	Stores the given family hashref into the database. Updates are delayed, if
1917	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1918		2193
1919	=item cf::db_put $family => $key => $value	2194	=item cf::db_put $family => $key => $value
1920		2195
1921	Stores the given C<$value> in the family hash. Updates are delayed, if you	2196	Stores the given C<$value> in the family.
1922	want the data to be synced to disk immediately, use C<cf::db_sync>.
1923
1924	=item cf::db_dirty
1925
1926	Marks the database as dirty, to be updated at a later time.
1927
1928	=item cf::db_sync
1929
1930	Immediately write the database to disk I<if it is dirty>.
1931		2197
1932	=cut	2198	=cut
1933		2199
1934	our $DB;	2200	our $DB;
1935		2201
1936	{	2202	unless ($DB) {
		2203	$DB = BDB::db_create $DB_ENV;
		2204
		2205	cf::sync_job {
		2206	eval {
		2207	$DB->set_flags (BDB::CHKSUM);
		2208
		2209	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2210	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2211	cf::cleanup "db_open(db): $!" if $!;
		2212	};
		2213	cf::cleanup "db_open(db): $@" if $@;
		2214	};
		2215
1937	my $path = cf::localdir . "/database.pst";	2216	my $path = cf::localdir . "/database.pst";
		2217	if (stat $path) {
		2218	cf::sync_job {
		2219	my $pst = Storable::retrieve $path;
1938		2220
1939	sub db_load() {	2221	cf::db_put (board => data => $pst->{board});
1940	$DB = stat $path ? Storable::retrieve $path : { };	2222	cf::db_put (guildrules => data => $pst->{guildrules});
1941	}	2223	cf::db_put (rent => balance => $pst->{rent}{balance});
		2224	BDB::db_env_txn_checkpoint $DB_ENV;
1942		2225
1943	my $pid;	2226	unlink $path;
1944
1945	sub db_save() {
1946	waitpid $pid, 0 if $pid;
1947	if (0 == ($pid = fork)) {
1948	$DB->{_meta}{version} = 1;
1949	Storable::nstore $DB, "$path~";
1950	rename "$path~", $path;
1951	cf::_exit 0 if defined $pid;
1952	}	2227	};
1953	}
1954
1955	my $dirty;
1956
1957	sub db_sync() {
1958	db_save if $dirty;
1959	undef $dirty;
1960	}
1961
1962	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1963	db_sync;
1964	});	2228	}
		2229	}
1965		2230
1966	sub db_dirty() {
1967	$dirty = 1;
1968	$idle->start;
1969	}
1970
1971	sub db_get($;$) {	2231	sub db_get($$) {
1972	@_ >= 2	2232	my $key = "$_[0]/$_[1]";
1973	? $DB->{$_[0]}{$_[1]}
1974	: ($DB->{$_[0]} ||= { })
1975	}
1976		2233
		2234	cf::sync_job {
		2235	BDB::db_get $DB, undef, $key, my $data;
		2236
		2237	$! ? ()
		2238	: Compress::LZF::sthaw $data
		2239	}
		2240	}
		2241
1977	sub db_put($$;$) {	2242	sub db_put($$$) {
1978	if (@_ >= 3) {	2243	BDB::dbreq_pri 4;
1979	$DB->{$_[0]}{$_[1]} = $_[2];	2244	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1980	} else {
1981	$DB->{$_[0]} = $_[1];
1982	}
1983	db_dirty;
1984	}
1985
1986	cf::global->attach (
1987	prio => 10000,
1988	on_cleanup => sub {
1989	db_sync;
1990	},
1991	);
1992	}	2245	}
1993		2246
1994	#############################################################################	2247	#############################################################################
1995	# the server's main()	2248	# the server's init and main functions
		2249
		2250	sub load_resources {
		2251	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2252	or die "unable to load regions file\n";#d#
		2253	}
1996		2254
1997	sub cfg_load {	2255	sub cfg_load {
1998	open my $fh, "<:utf8", cf::confdir . "/config"	2256	open my $fh, "<:utf8", cf::confdir . "/config"
1999	or return;	2257	or return;
2000		2258
2001	local $/;	2259	local $/;
2002	*CFG = YAML::Syck::Load <$fh>;	2260	*CFG = YAML::Syck::Load <$fh>;
2003		2261
2004	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2262	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2005		2263
		2264	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2265	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2266
2006	if (exists $CFG{mlockall}) {	2267	if (exists $CFG{mlockall}) {
2007	eval {	2268	eval {
2008	$CFG{mlockall} ? &mlockall : &munlockall	2269	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2009	and die "WARNING: m(un)lockall failed: $!\n";	2270	and die "WARNING: m(un)lockall failed: $!\n";
2010	};	2271	};
2011	warn $@ if $@;	2272	warn $@ if $@;
2012	}	2273	}
		2274	}
		2275
		2276	sub init {
		2277	load_resources;
2013	}	2278	}
2014		2279
2015	sub main {	2280	sub main {
2016	# we must not ever block the main coroutine	2281	# we must not ever block the main coroutine
2017	local $Coro::idle = sub {	2282	local $Coro::idle = sub {
2018	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2283	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2019	(Coro::unblock_sub {	2284	(async {
2020	Event::one_event;	2285	Event::one_event;
2021	})->();	2286	})->prio (Coro::PRIO_MAX);
2022	};	2287	};
2023		2288
2024	cfg_load;	2289	cfg_load;
2025	db_load;
2026	load_extensions;	2290	load_extensions;
		2291
		2292	$TICK_WATCHER->start;
2027	Event::loop;	2293	Event::loop;
2028	}	2294	}
2029		2295
2030	#############################################################################	2296	#############################################################################
2031	# initialisation	2297	# initialisation and cleanup
		2298
		2299	# install some emergency cleanup handlers
		2300	BEGIN {
		2301	for my $signal (qw(INT HUP TERM)) {
		2302	Event->signal (
		2303	reentrant => 0,
		2304	data => WF_AUTOCANCEL,
		2305	signal => $signal,
		2306	prio => 0,
		2307	cb => sub {
		2308	cf::cleanup "SIG$signal";
		2309	},
		2310	);
		2311	}
		2312	}
		2313
		2314	sub emergency_save() {
		2315	my $freeze_guard = cf::freeze_mainloop;
		2316
		2317	warn "enter emergency perl save\n";
		2318
		2319	cf::sync_job {
		2320	# use a peculiar iteration method to avoid tripping on perl
		2321	# refcount bugs in for. also avoids problems with players
		2322	# and maps saved/destroyed asynchronously.
		2323	warn "begin emergency player save\n";
		2324	for my $login (keys %cf::PLAYER) {
		2325	my $pl = $cf::PLAYER{$login} or next;
		2326	$pl->valid or next;
		2327	$pl->save;
		2328	}
		2329	warn "end emergency player save\n";
		2330
		2331	warn "begin emergency map save\n";
		2332	for my $path (keys %cf::MAP) {
		2333	my $map = $cf::MAP{$path} or next;
		2334	$map->valid or next;
		2335	$map->save;
		2336	}
		2337	warn "end emergency map save\n";
		2338
		2339	warn "begin emergency database checkpoint\n";
		2340	BDB::db_env_txn_checkpoint $DB_ENV;
		2341	warn "end emergency database checkpoint\n";
		2342	};
		2343
		2344	warn "leave emergency perl save\n";
		2345	}
2032		2346
2033	sub reload() {	2347	sub reload() {
2034	# can/must only be called in main	2348	# can/must only be called in main
2035	if ($Coro::current != $Coro::main) {	2349	if ($Coro::current != $Coro::main) {
2036	warn "can only reload from main coroutine\n";	2350	warn "can only reload from main coroutine";
2037	return;	2351	return;
2038	}	2352	}
2039		2353
2040	warn "reloading...";	2354	warn "reloading...";
2041		2355
2042	my $guard = freeze_mainloop;	2356	warn "cancelling server ticker";
		2357	$TICK_WATCHER->cancel;
		2358
2043	cf::emergency_save;	2359	cf::emergency_save;
2044		2360
2045	eval {	2361	eval {
2046	# if anything goes wrong in here, we should simply crash as we already saved	2362	# if anything goes wrong in here, we should simply crash as we already saved
2047		2363
2048	# cancel all watchers	2364	warn "cancelling all WF_AUTOCANCEL watchers";
2049	for (Event::all_watchers) {	2365	for (Event::all_watchers) {
2050	$_->cancel if $_->data & WF_AUTOCANCEL;	2366	$_->cancel if $_->data & WF_AUTOCANCEL;
2051	}	2367	}
2052		2368
		2369	warn "syncing database to disk";
		2370	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		2371
		2372	warn "flushing outstanding aio requests";
		2373	for (;;) {
		2374	BDB::flush;
		2375	IO::AIO::flush;
		2376	Coro::cede;
		2377	last unless IO::AIO::nreqs || BDB::nreqs;
		2378	warn "iterate...";
		2379	}
		2380
2053	# cancel all extension coros	2381	warn "cancelling all extension coros";
2054	$_->cancel for values %EXT_CORO;	2382	$_->cancel for values %EXT_CORO;
2055	%EXT_CORO = ();	2383	%EXT_CORO = ();
2056		2384
2057	# unload all extensions	2385	warn "removing commands";
2058	for (@exts) {	2386	%COMMAND = ();
		2387
		2388	warn "removing ext commands";
		2389	%EXTCMD = ();
		2390
		2391	warn "unloading/nuking all extensions";
		2392	for my $pkg (@EXTS) {
2059	warn "unloading <$_>";	2393	warn "... unloading $pkg";
2060	unload_extension $_;	2394
		2395	if (my $cb = $pkg->can ("unload")) {
		2396	eval {
		2397	$cb->($pkg);
		2398	1
		2399	} or warn "$pkg unloaded, but with errors: $@";
2061	}	2400	}
2062		2401
		2402	warn "... nuking $pkg";
		2403	Symbol::delete_package $pkg;
		2404	}
		2405
2063	# unload all modules loaded from $LIBDIR	2406	warn "unloading all perl modules loaded from $LIBDIR";
2064	while (my ($k, $v) = each %INC) {	2407	while (my ($k, $v) = each %INC) {
2065	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2408	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2066		2409
2067	warn "removing <$k>";	2410	warn "... unloading $k";
2068	delete $INC{$k};	2411	delete $INC{$k};
2069		2412
2070	$k =~ s/\.pm$//;	2413	$k =~ s/\.pm$//;
2071	$k =~ s/\//::/g;	2414	$k =~ s/\//::/g;
2072		2415
…		…
2075	}	2418	}
2076		2419
2077	Symbol::delete_package $k;	2420	Symbol::delete_package $k;
2078	}	2421	}
2079		2422
2080	# sync database to disk
2081	cf::db_sync;
2082	IO::AIO::flush;
2083
2084	# get rid of safe::, as good as possible	2423	warn "getting rid of safe::, as good as possible";
2085	Symbol::delete_package "safe::$_"	2424	Symbol::delete_package "safe::$_"
2086	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2425	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2087		2426
2088	# remove register_script_function callbacks
2089	# TODO
2090
2091	# unload cf.pm "a bit"	2427	warn "unloading cf.pm \"a bit\"";
2092	delete $INC{"cf.pm"};	2428	delete $INC{"cf.pm"};
2093		2429
2094	# don't, removes xs symbols, too,	2430	# don't, removes xs symbols, too,
2095	# and global variables created in xs	2431	# and global variables created in xs
2096	#Symbol::delete_package __PACKAGE__;	2432	#Symbol::delete_package __PACKAGE__;
2097		2433
2098	# reload cf.pm	2434	warn "unload completed, starting to reload now";
		2435
2099	warn "reloading cf.pm";	2436	warn "reloading cf.pm";
2100	require cf;	2437	require cf;
2101	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2438	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2102		2439
2103	# load config and database again	2440	warn "loading config and database again";
2104	cf::cfg_load;	2441	cf::cfg_load;
2105	cf::db_load;
2106		2442
2107	# load extensions
2108	warn "load extensions";	2443	warn "loading extensions";
2109	cf::load_extensions;	2444	cf::load_extensions;
2110		2445
2111	# reattach attachments to objects	2446	warn "reattaching attachments to objects/players";
2112	warn "reattach";
2113	_global_reattach;	2447	_global_reattach;
		2448	warn "reattaching attachments to maps";
		2449	reattach $_ for values %MAP;
		2450
		2451	warn "loading reloadable resources";
		2452	load_resources;
		2453
		2454	warn "restarting server ticker";
		2455
		2456	$TICK_WATCHER->start;
2114	};	2457	};
2115		2458
2116	if ($@) {	2459	if ($@) {
2117	warn $@;	2460	warn $@;
2118	warn "error while reloading, exiting.";	2461	warn "error while reloading, exiting.";
2119	exit 1;	2462	exit 1;
2120	}	2463	}
2121		2464
2122	warn "reloaded successfully";	2465	warn "reloaded";
2123	};	2466	};
2124		2467
2125	#############################################################################	2468	our $RELOAD_WATCHER; # used only during reload
2126
2127	unless ($LINK_MAP) {
2128	$LINK_MAP = cf::map::new;
2129
2130	$LINK_MAP->width (41);
2131	$LINK_MAP->height (41);
2132	$LINK_MAP->alloc;
2133	$LINK_MAP->path ("{link}");
2134	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2135	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2136
2137	# dirty hack because... archetypes are not yet loaded
2138	Event->timer (
2139	after => 2,
2140	cb => sub {
2141	$_[0]->w->cancel;
2142
2143	# provide some exits "home"
2144	my $exit = cf::object::new "exit";
2145
2146	$exit->slaying ($EMERGENCY_POSITION->[0]);
2147	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2148	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2149
2150	$LINK_MAP->insert ($exit->clone, 19, 19);
2151	$LINK_MAP->insert ($exit->clone, 19, 20);
2152	$LINK_MAP->insert ($exit->clone, 19, 21);
2153	$LINK_MAP->insert ($exit->clone, 20, 19);
2154	$LINK_MAP->insert ($exit->clone, 20, 21);
2155	$LINK_MAP->insert ($exit->clone, 21, 19);
2156	$LINK_MAP->insert ($exit->clone, 21, 20);
2157	$LINK_MAP->insert ($exit->clone, 21, 21);
2158
2159	$exit->destroy;
2160	});
2161
2162	$LINK_MAP->{deny_save} = 1;
2163	$LINK_MAP->{deny_reset} = 1;
2164
2165	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2166	}
2167
2168	register "<global>", __PACKAGE__;
2169		2469
2170	register_command "reload" => sub {	2470	register_command "reload" => sub {
2171	my ($who, $arg) = @_;	2471	my ($who, $arg) = @_;
2172		2472
2173	if ($who->flag (FLAG_WIZ)) {	2473	if ($who->flag (FLAG_WIZ)) {
2174	$who->message ("start of reload.");	2474	$who->message ("reloading server.");
		2475
		2476	# doing reload synchronously and two reloads happen back-to-back,
		2477	# coro crashes during coro_state_free->destroy here.
		2478
		2479	$RELOAD_WATCHER ||= Event->timer (
		2480	reentrant => 0,
		2481	after => 0,
		2482	data => WF_AUTOCANCEL,
		2483	cb => sub {
2175	reload;	2484	reload;
2176	$who->message ("end of reload.");	2485	undef $RELOAD_WATCHER;
		2486	},
		2487	);
2177	}	2488	}
2178	};	2489	};
2179		2490
2180	unshift @INC, $LIBDIR;	2491	unshift @INC, $LIBDIR;
		2492
		2493	my $bug_warning = 0;
2181		2494
2182	$TICK_WATCHER = Event->timer (	2495	$TICK_WATCHER = Event->timer (
2183	reentrant => 0,	2496	reentrant => 0,
		2497	parked => 1,
2184	prio => 0,	2498	prio => 0,
2185	at => $NEXT_TICK || $TICK,	2499	at => $NEXT_TICK || $TICK,
2186	data => WF_AUTOCANCEL,	2500	data => WF_AUTOCANCEL,
2187	cb => sub {	2501	cb => sub {
		2502	if ($Coro::current != $Coro::main) {
		2503	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2504	unless ++$bug_warning > 10;
		2505	return;
		2506	}
		2507
		2508	$NOW = Event::time;
		2509
2188	cf::server_tick; # one server iteration	2510	cf::server_tick; # one server iteration
2189	$RUNTIME += $TICK;	2511	$RUNTIME += $TICK;
2190	$NEXT_TICK += $TICK;	2512	$NEXT_TICK += $TICK;
		2513
		2514	$WAIT_FOR_TICK->broadcast;
		2515	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2516
		2517	Event::sweep;
		2518	Coro::cede_notself;
		2519
		2520	# my $AFTER = Event::time;
		2521	# warn $AFTER - $NOW;#d#
2191		2522
2192	# if we are delayed by four ticks or more, skip them all	2523	# if we are delayed by four ticks or more, skip them all
2193	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2524	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2194		2525
2195	$TICK_WATCHER->at ($NEXT_TICK);	2526	$TICK_WATCHER->at ($NEXT_TICK);
2196	$TICK_WATCHER->start;	2527	$TICK_WATCHER->start;
2197	},	2528	},
2198	);	2529	);
2199		2530
		2531	{
		2532	BDB::max_poll_time $TICK * 0.1;
		2533	$BDB_POLL_WATCHER = Event->io (
		2534	reentrant => 0,
		2535	fd => BDB::poll_fileno,
		2536	poll => 'r',
		2537	prio => 0,
		2538	data => WF_AUTOCANCEL,
		2539	cb => \&BDB::poll_cb,
		2540	);
		2541	BDB::min_parallel 8;
		2542
		2543	BDB::set_sync_prepare {
		2544	my $status;
		2545	my $current = $Coro::current;
		2546	(
		2547	sub {
		2548	$status = $!;
		2549	$current->ready; undef $current;
		2550	},
		2551	sub {
		2552	Coro::schedule while defined $current;
		2553	$! = $status;
		2554	},
		2555	)
		2556	};
		2557
		2558	unless ($DB_ENV) {
		2559	$DB_ENV = BDB::db_env_create;
		2560
		2561	cf::sync_job {
		2562	eval {
		2563	BDB::db_env_open
		2564	$DB_ENV,
		2565	$BDB_ENV_DIR,
		2566	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2567	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2568	0666;
		2569
		2570	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2571
		2572	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2573	$DB_ENV->set_lk_detect;
		2574	};
		2575
		2576	cf::cleanup "db_env_open(db): $@" if $@;
		2577	};
		2578	}
		2579	}
		2580
		2581	{
		2582	IO::AIO::min_parallel 8;
		2583
		2584	undef $Coro::AIO::WATCHER;
2200	IO::AIO::max_poll_time $TICK * 0.2;	2585	IO::AIO::max_poll_time $TICK * 0.1;
2201		2586	$AIO_POLL_WATCHER = Event->io (
2202	Event->io (	2587	reentrant => 0,
2203	fd => IO::AIO::poll_fileno,	2588	fd => IO::AIO::poll_fileno,
2204	poll => 'r',	2589	poll => 'r',
2205	prio => 5,	2590	prio => 6,
2206	data => WF_AUTOCANCEL,	2591	data => WF_AUTOCANCEL,
2207	cb => \&IO::AIO::poll_cb,	2592	cb => \&IO::AIO::poll_cb,
2208	);	2593	);
		2594	}
2209		2595
2210	Event->timer (	2596	$WRITE_RUNTIME_WATCHER = Event->timer (
		2597	reentrant => 0,
2211	data => WF_AUTOCANCEL,	2598	data => WF_AUTOCANCEL,
2212	after => 0,	2599	after => 1,
2213	interval => 10,	2600	interval => 10,
2214	cb => sub {	2601	prio => 6, # keep it lowest so it acts like a watchdog
2215	(Coro::unblock_sub {	2602	cb => Coro::unblock_sub {
2216	write_runtime	2603	write_runtime
2217	or warn "ERROR: unable to write runtime file: $!";	2604	or warn "ERROR: unable to write runtime file: $!";
2218	})->();
2219	},	2605	},
2220	);	2606	);
2221		2607
2222	END { cf::emergency_save }	2608	END { cf::emergency_save }
2223		2609

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