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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.134 by root, Thu Jan 4 17:28:49 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	Coro::cede;
1215
1216	if ($map) {
1217	$map->last_access ((delete $map->{last_access})
1218	|| $cf::RUNTIME); #d#
1219	# safety
1220	$map->{instantiate_time} = $cf::RUNTIME
1221	if $map->{instantiate_time} > $cf::RUNTIME;
1222	} else {
1223	if (my $rmp = $path->random_map_params) {
1224	$map = generate_random_map $key, $rmp;
1225	} else {
1226	$map = try_load_header $path->load_path;
1227	}
1228
1229	$map or return;	1390	or return;
1230		1391
1231	$map->{load_original} = 1;
1232	$map->{instantiate_time} = $cf::RUNTIME;
1233	$map->last_access ($cf::RUNTIME);
1234	$map->instantiate;
1235
1236	# per-player maps become, after loading, normal maps
1237	$map->per_player (0) if $path->{user_rel};
1238	}
1239
1240	$map->path ($key);
1241	$map->{path} = $path;
1242	$map->{last_save} = $cf::RUNTIME;	1392	$map->{last_save} = $cf::RUNTIME;
1243		1393
1244	Coro::cede;	1394	$map->load_header
		1395	or return;
1245		1396
1246	if ($map->should_reset) {	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;
1247	$map->reset;	1400	$map->reset;
1248	undef $guard;	1401	undef $guard;
1249	$map = find $path	1402	return find $path;
1250	or return;
1251	}	1403	}
1252		1404
1253	$cf::MAP{$key} = $map	1405	$cf::MAP{$path} = $map
1254	}	1406	}
1255	}	1407	}
		1408
		1409	sub pre_load { }
		1410	sub post_load { }
1256		1411
1257	sub load {	1412	sub load {
1258	my ($self) = @_;	1413	my ($self) = @_;
1259		1414
		1415	local $self->{deny_reset} = 1; # loading can take a long time
		1416
1260	my $path = $self->{path};	1417	my $path = $self->{path};
1261	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1418	my $guard = cf::lock_acquire "map_load:$path";
1262		1419
1263	return if $self->in_memory != cf::MAP_SWAPPED;	1420	return if $self->in_memory != cf::MAP_SWAPPED;
1264		1421
1265	$self->in_memory (cf::MAP_LOADING);	1422	$self->in_memory (cf::MAP_LOADING);
1266		1423
1267	$self->alloc;	1424	$self->alloc;
		1425
		1426	$self->pre_load;
		1427
1268	$self->load_objects ($self->{load_path}, 1)	1428	$self->_load_objects ($self->{load_path}, 1)
1269	or return;	1429	or return;
1270		1430
1271	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1272	if delete $self->{load_original};	1432	if delete $self->{load_original};
1273		1433
1274	if (my $uniq = $path->uniq_path) {	1434	if (my $uniq = $self->uniq_path) {
1275	utf8::encode $uniq;	1435	utf8::encode $uniq;
1276	if (aio_open $uniq, O_RDONLY, 0) {	1436	if (aio_open $uniq, O_RDONLY, 0) {
1277	$self->clear_unique_items;	1437	$self->clear_unique_items;
1278	$self->load_objects ($uniq, 0);	1438	$self->_load_objects ($uniq, 0);
1279	}	1439	}
1280	}	1440	}
1281		1441
1282	Coro::cede;	1442	Coro::cede;
1283		1443
1284	# now do the right thing for maps	1444	# now do the right thing for maps
1285	$self->link_multipart_objects;	1445	$self->link_multipart_objects;
1286		1446
1287	if ($self->{path}->is_style_map) {	1447	unless ($self->{deny_activate}) {
1288	$self->{deny_save} = 1;	1448	$self->decay_objects;
1289	$self->{deny_reset} = 1;
1290	} else {
1291	$self->fix_auto_apply;	1449	$self->fix_auto_apply;
1292	$self->decay_objects;
1293	$self->update_buttons;	1450	$self->update_buttons;
		1451	Coro::cede;
1294	$self->set_darkness_map;	1452	$self->set_darkness_map;
1295	$self->difficulty ($self->estimate_difficulty)	1453	$self->difficulty ($self->estimate_difficulty)
1296	unless $self->difficulty;	1454	unless $self->difficulty;
		1455	Coro::cede;
1297	$self->activate;	1456	$self->activate;
1298	}	1457	}
1299		1458
1300	Coro::cede;	1459	$self->post_load;
1301		1460
1302	$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	}
1303	}	1495	}
1304		1496
1305	sub find_sync {	1497	sub find_sync {
1306	my ($path, $origin) = @_;	1498	my ($path, $origin) = @_;
1307		1499
1308	cf::sync_job { cf::map::find $path, $origin }	1500	cf::sync_job { find $path, $origin }
1309	}	1501	}
1310		1502
1311	sub do_load_sync {	1503	sub do_load_sync {
1312	my ($map) = @_;	1504	my ($map) = @_;
1313		1505
1314	cf::sync_job { $map->load };	1506	cf::sync_job { $map->load };
1315	}	1507	}
1316		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
1317	sub save {	1539	sub save {
1318	my ($self) = @_;	1540	my ($self) = @_;
1319		1541
		1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1543
1320	$self->{last_save} = $cf::RUNTIME;	1544	$self->{last_save} = $cf::RUNTIME;
1321		1545
1322	return unless $self->dirty;	1546	return unless $self->dirty;
1323		1547
1324	my $save = $self->{path}->save_path; utf8::encode $save;	1548	my $save = $self->save_path; utf8::encode $save;
1325	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1549	my $uniq = $self->uniq_path; utf8::encode $uniq;
1326		1550
1327	$self->{load_path} = $save;	1551	$self->{load_path} = $save;
1328		1552
1329	return if $self->{deny_save};	1553	return if $self->{deny_save};
1330		1554
1331	local $self->{last_access} = $self->last_access;#d#	1555	local $self->{last_access} = $self->last_access;#d#
1332		1556
		1557	cf::async {
		1558	$_->contr->save for $self->players;
		1559	};
		1560
1333	if ($uniq) {	1561	if ($uniq) {
1334	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1335	$self->save_objects ($uniq, cf::IO_UNIQUES);	1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1336	} else {	1564	} else {
1337	$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);
1338	}	1566	}
1339	}	1567	}
1340		1568
1341	sub swap_out {	1569	sub swap_out {
1342	my ($self) = @_;	1570	my ($self) = @_;
1343		1571
1344	# save first because save cedes	1572	# save first because save cedes
1345	$self->save;	1573	$self->save;
		1574
		1575	my $lock = cf::lock_acquire "map_data:" . $self->path;
1346		1576
1347	return if $self->players;	1577	return if $self->players;
1348	return if $self->in_memory != cf::MAP_IN_MEMORY;	1578	return if $self->in_memory != cf::MAP_IN_MEMORY;
1349	return if $self->{deny_save};	1579	return if $self->{deny_save};
1350		1580
…		…
1354		1584
1355	sub reset_at {	1585	sub reset_at {
1356	my ($self) = @_;	1586	my ($self) = @_;
1357		1587
1358	# TODO: safety, remove and allow resettable per-player maps	1588	# TODO: safety, remove and allow resettable per-player maps
1359	return 1e99 if $self->{path}{user_rel};	1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1360	return 1e99 if $self->{deny_reset};	1590	return 1e99 if $self->{deny_reset};
1361		1591
1362	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1363	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;
1364		1594
…		…
1369	my ($self) = @_;	1599	my ($self) = @_;
1370		1600
1371	$self->reset_at <= $cf::RUNTIME	1601	$self->reset_at <= $cf::RUNTIME
1372	}	1602	}
1373		1603
1374	sub unlink_save {
1375	my ($self) = @_;
1376
1377	utf8::encode (my $save = $self->{path}->save_path);
1378	aioreq_pri 3; IO::AIO::aio_unlink $save;
1379	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1380	}
1381
1382	sub rename {
1383	my ($self, $new_path) = @_;
1384
1385	$self->unlink_save;
1386
1387	delete $cf::MAP{$self->path};
1388	$self->{path} = new cf::path $new_path;
1389	$self->path ($self->{path}->as_string);
1390	$cf::MAP{$self->path} = $self;
1391
1392	$self->save;
1393	}
1394
1395	sub reset {	1604	sub reset {
1396	my ($self) = @_;	1605	my ($self) = @_;
1397		1606
		1607	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1608
1398	return if $self->players;	1609	return if $self->players;
1399	return if $self->{path}{user_rel};#d#	1610	return if $self->isa ("ext::map_per_player");#d#
1400		1611
1401	warn "resetting map ", $self->path;#d#	1612	warn "resetting map ", $self->path;#d#
1402		1613
1403	delete $cf::MAP{$self->path};	1614	delete $cf::MAP{$self->path};
		1615
		1616	$self->in_memory (cf::MAP_SWAPPED);
		1617	$self->clear;
1404		1618
1405	$_->clear_links_to ($self) for values %cf::MAP;	1619	$_->clear_links_to ($self) for values %cf::MAP;
1406		1620
1407	$self->unlink_save;	1621	$self->unlink_save;
1408	$self->destroy;	1622	$self->destroy;
…		…
1411	my $nuke_counter = "aaaa";	1625	my $nuke_counter = "aaaa";
1412		1626
1413	sub nuke {	1627	sub nuke {
1414	my ($self) = @_;	1628	my ($self) = @_;
1415		1629
		1630	delete $cf::MAP{$self->path};
		1631
		1632	$self->unlink_save;
		1633
		1634	bless $self, "cf::map";
		1635	delete $self->{deny_reset};
1416	$self->{deny_save} = 1;	1636	$self->{deny_save} = 1;
1417	$self->reset_timeout (1);	1637	$self->reset_timeout (1);
1418	$self->rename ("{nuke}/" . ($nuke_counter++));	1638	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1639
		1640	$cf::MAP{$self->path} = $self;
		1641
1419	$self->reset; # polite request, might not happen	1642	$self->reset; # polite request, might not happen
1420	}	1643	}
1421		1644
1422	sub customise_for {	1645	=item cf::map::unique_maps
1423	my ($map, $ob) = @_;
1424		1646
1425	if ($map->per_player) {	1647	Returns an arrayref of paths of all shared maps that have
1426	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1648	instantiated unique items. May block.
1427	}
1428		1649
1429	$map	1650	=cut
1430	}
1431		1651
1432	sub emergency_save {	1652	sub unique_maps() {
1433	my $freeze_guard = cf::freeze_mainloop;	1653	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1654	or return;
1434		1655
1435	warn "enter emergency map save\n";	1656	my @paths;
1436		1657
1437	cf::sync_job {	1658	for (@$files) {
1438	warn "begin emergency map save\n";	1659	utf8::decode $_;
1439	$_->save for values %cf::MAP;	1660	next if /\.pst$/;
		1661	next unless /^$PATH_SEP/o;
		1662
		1663	push @paths, cf::map::normalise $_;
1440	};	1664	}
1441		1665
1442	warn "end emergency map save\n";	1666	\@paths
1443	}	1667	}
1444		1668
1445	package cf;	1669	package cf;
1446		1670
1447	=back	1671	=back
1448		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
1449		1699
1450	=head3 cf::object::player	1700	=head3 cf::object::player
1451		1701
1452	=over 4	1702	=over 4
1453		1703
…		…
1493		1743
1494	=item $player_object->enter_link	1744	=item $player_object->enter_link
1495		1745
1496	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}>).
1497		1747
1498	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
1499	I<MUST> call C<leave_link> as soon as possible, though.	1749	I<MUST> call C<leave_link> as soon as possible, though.
1500		1750
		1751	Will never block.
		1752
1501	=item $player_object->leave_link ($map, $x, $y)	1753	=item $player_object->leave_link ($map, $x, $y)
1502		1754
1503	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
1504	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
1505	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
1506	to the emergency map position.	1758	fails, to the emergency map position.
1507		1759
1508	Might block.	1760	Might block.
1509		1761
1510	=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	}
1511		1773
1512	sub cf::object::player::enter_link {	1774	sub cf::object::player::enter_link {
1513	my ($self) = @_;	1775	my ($self) = @_;
1514		1776
1515	$self->deactivate_recursive;	1777	$self->deactivate_recursive;
1516		1778
1517	return if $self->map == $LINK_MAP;	1779	return if UNIVERSAL::isa $self->map, "ext::map_link";
1518		1780
1519	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1781	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1520	if $self->map;	1782	if $self->map;
1521		1783
1522	$self->enter_map ($LINK_MAP, 20, 20);	1784	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1523	}	1785	}
1524		1786
1525	sub cf::object::player::leave_link {	1787	sub cf::object::player::leave_link {
1526	my ($self, $map, $x, $y) = @_;	1788	my ($self, $map, $x, $y) = @_;
1527		1789
…		…
1545	# use -1 or undef as default coordinates, not 0, 0	1807	# use -1 or undef as default coordinates, not 0, 0
1546	($x, $y) = ($map->enter_x, $map->enter_y)	1808	($x, $y) = ($map->enter_x, $map->enter_y)
1547	if $x <=0 && $y <= 0;	1809	if $x <=0 && $y <= 0;
1548		1810
1549	$map->load;	1811	$map->load;
		1812	$map->load_diag;
1550		1813
		1814	return unless $self->contr->active;
1551	$self->activate_recursive;	1815	$self->activate_recursive;
1552	$self->enter_map ($map, $x, $y);	1816	$self->enter_map ($map, $x, $y);
1553	}	1817	}
1554		1818
1555	cf::player->attach (	1819	cf::player->attach (
…		…
1568		1832
1569	# try to abort aborted map switching on player login :)	1833	# try to abort aborted map switching on player login :)
1570	# should happen only on crashes	1834	# should happen only on crashes
1571	if ($pl->ob->{_link_pos}) {	1835	if ($pl->ob->{_link_pos}) {
1572	$pl->ob->enter_link;	1836	$pl->ob->enter_link;
1573	cf::async {	1837	(async {
1574	# 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
1575	# 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);
1576	Coro::Timer::sleep 1;	1844	Coro::Timer::sleep 1;
1577	$pl->ob->leave_link;	1845	$pl->ob->leave_link;
1578	};	1846	})->prio (2);
1579	}	1847	}
1580	},	1848	},
1581	);	1849	);
1582		1850
1583	=item $player_object->goto_map ($path, $x, $y)	1851	=item $player_object->goto ($path, $x, $y)
1584		1852
1585	=cut	1853	=cut
1586		1854
1587	sub cf::object::player::goto_map {	1855	sub cf::object::player::goto {
1588	my ($self, $path, $x, $y) = @_;	1856	my ($self, $path, $x, $y) = @_;
1589		1857
1590	$self->enter_link;	1858	$self->enter_link;
1591		1859
1592	(cf::async {	1860	(async {
1593	$path = new cf::path $path;	1861	my $map = eval {
1594
1595	my $map = cf::map::find $path->as_string;	1862	my $map = cf::map::find $path;
1596	$map = $map->customise_for ($self) if $map;	1863	$map = $map->customise_for ($self) if $map;
1597		1864	$map
1598	# warn "entering ", $map->path, " at ($x, $y)\n"	1865	} or
1599	# if $map;
1600
1601	$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);
1602		1867
1603	$self->leave_link ($map, $x, $y);	1868	$self->leave_link ($map, $x, $y);
1604	})->prio (1);	1869	})->prio (1);
1605	}	1870	}
1606		1871
…		…
1610		1875
1611	sub parse_random_map_params {	1876	sub parse_random_map_params {
1612	my ($spec) = @_;	1877	my ($spec) = @_;
1613		1878
1614	my $rmp = { # defaults	1879	my $rmp = { # defaults
1615	xsize => 10,	1880	xsize => (cf::rndm 15, 40),
1616	ysize => 10,	1881	ysize => (cf::rndm 15, 40),
		1882	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1883	#layout => string,
1617	};	1884	};
1618		1885
1619	for (split /\n/, $spec) {	1886	for (split /\n/, $spec) {
1620	my ($k, $v) = split /\s+/, $_, 2;	1887	my ($k, $v) = split /\s+/, $_, 2;
1621		1888
…		…
1625	$rmp	1892	$rmp
1626	}	1893	}
1627		1894
1628	sub prepare_random_map {	1895	sub prepare_random_map {
1629	my ($exit) = @_;	1896	my ($exit) = @_;
		1897
		1898	my $guard = cf::lock_acquire "exit_prepare:$exit";
1630		1899
1631	# all this does is basically replace the /! path by	1900	# all this does is basically replace the /! path by
1632	# a new random map path (?random/...) with a seed	1901	# a new random map path (?random/...) with a seed
1633	# that depends on the exit object	1902	# that depends on the exit object
1634		1903
1635	my $rmp = parse_random_map_params $exit->msg;	1904	my $rmp = parse_random_map_params $exit->msg;
1636		1905
1637	if ($exit->map) {	1906	if ($exit->map) {
1638	$rmp->{region} = $exit->map->region_name;	1907	$rmp->{region} = $exit->region->name;
1639	$rmp->{origin_map} = $exit->map->path;	1908	$rmp->{origin_map} = $exit->map->path;
1640	$rmp->{origin_x} = $exit->x;	1909	$rmp->{origin_x} = $exit->x;
1641	$rmp->{origin_y} = $exit->y;	1910	$rmp->{origin_y} = $exit->y;
1642	}	1911	}
1643		1912
1644	$rmp->{random_seed} ||= $exit->random_seed;	1913	$rmp->{random_seed} ||= $exit->random_seed;
1645		1914
1646	my $data = cf::to_json $rmp;	1915	my $data = cf::to_json $rmp;
1647	my $md5 = Digest::MD5::md5_hex $data;	1916	my $md5 = Digest::MD5::md5_hex $data;
		1917	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1648		1918
1649	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) {
1650	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;
1651		1923
1652	$exit->slaying ("?random/$md5");	1924	$exit->slaying ("?random/$md5");
1653	$exit->msg (undef);	1925	$exit->msg (undef);
1654	}	1926	}
1655	}	1927	}
…		…
1657	sub cf::object::player::enter_exit {	1929	sub cf::object::player::enter_exit {
1658	my ($self, $exit) = @_;	1930	my ($self, $exit) = @_;
1659		1931
1660	return unless $self->type == cf::PLAYER;	1932	return unless $self->type == cf::PLAYER;
1661		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
1662	$self->enter_link;	1943	$self->enter_link;
1663		1944
1664	(cf::async {	1945	(async {
1665	$self->deactivate_recursive; # just to be sure	1946	$self->deactivate_recursive; # just to be sure
1666	unless (eval {	1947	unless (eval {
1667	prepare_random_map $exit	1948	$self->goto ($slaying, $hp, $sp);
1668	if $exit->slaying eq "/!";
1669
1670	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1671	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1672		1949
1673	1;	1950	1;
1674	}) {	1951	}) {
1675	$self->message ("Something went wrong deep within the crossfire server. "	1952	$self->message ("Something went wrong deep within the crossfire server. "
1676	. "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. "
1677	. "Please report this to the dungeon master",	1954	. "Please report this to the dungeon master!",
1678	cf::NDI_UNIQUE | cf::NDI_RED);	1955	cf::NDI_UNIQUE | cf::NDI_RED);
1679		1956
1680	warn "ERROR in enter_exit: $@";	1957	warn "ERROR in enter_exit: $@";
1681	$self->leave_link;	1958	$self->leave_link;
1682	}	1959	}
…		…
1737	# get handled first	2014	# get handled first
1738	my $queue = delete $ns->{query_queue}	2015	my $queue = delete $ns->{query_queue}
1739	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
1740		2017
1741	(shift @$queue)->[1]->($msg);	2018	(shift @$queue)->[1]->($msg);
		2019	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1742		2020
1743	push @{ $ns->{query_queue} }, @$queue;	2021	push @{ $ns->{query_queue} }, @$queue;
1744		2022
1745	if (@{ $ns->{query_queue} } == @$queue) {	2023	if (@{ $ns->{query_queue} } == @$queue) {
1746	if (@$queue) {	2024	if (@$queue) {
…		…
1750	}	2028	}
1751	}	2029	}
1752	},	2030	},
1753	);	2031	);
1754		2032
1755	=item $client->coro (\&cb)	2033	=item $client->async (\&cb)
1756		2034
1757	Create a new coroutine, running the specified callback. The coroutine will	2035	Create a new coroutine, running the specified callback. The coroutine will
1758	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,
1759	or loss of connection).	2037	or loss of connection).
1760		2038
1761	=cut	2039	=cut
1762		2040
1763	sub cf::client::coro {	2041	sub cf::client::async {
1764	my ($self, $cb) = @_;	2042	my ($self, $cb) = @_;
1765		2043
1766	my $coro = &cf::async ($cb);	2044	my $coro = &Coro::async ($cb);
1767		2045
1768	$coro->on_destroy (sub {	2046	$coro->on_destroy (sub {
1769	delete $self->{_coro}{$coro+0};	2047	delete $self->{_coro}{$coro+0};
1770	});	2048	});
1771		2049
…		…
1907	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
1908	using it, it should be unique.	2186	using it, it should be unique.
1909		2187
1910	=over 4	2188	=over 4
1911		2189
1912	=item $hashref = cf::db_get $family
1913
1914	Return a hashref for use by the extension C<$family>, which can be
1915	modified. After modifications, you have to call C<cf::db_dirty> or
1916	C<cf::db_sync>.
1917
1918	=item $value = cf::db_get $family => $key	2190	=item $value = cf::db_get $family => $key
1919		2191
1920	Returns a single value from the database	2192	Returns a single value from the database.
1921
1922	=item cf::db_put $family => $hashref
1923
1924	Stores the given family hashref into the database. Updates are delayed, if
1925	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1926		2193
1927	=item cf::db_put $family => $key => $value	2194	=item cf::db_put $family => $key => $value
1928		2195
1929	Stores the given C<$value> in the family hash. Updates are delayed, if you	2196	Stores the given C<$value> in the family.
1930	want the data to be synced to disk immediately, use C<cf::db_sync>.
1931
1932	=item cf::db_dirty
1933
1934	Marks the database as dirty, to be updated at a later time.
1935
1936	=item cf::db_sync
1937
1938	Immediately write the database to disk I<if it is dirty>.
1939		2197
1940	=cut	2198	=cut
1941		2199
1942	our $DB;	2200	our $DB;
1943		2201
1944	{	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
1945	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;
1946		2220
1947	sub db_load() {	2221	cf::db_put (board => data => $pst->{board});
1948	$DB = stat $path ? Storable::retrieve $path : { };	2222	cf::db_put (guildrules => data => $pst->{guildrules});
1949	}	2223	cf::db_put (rent => balance => $pst->{rent}{balance});
		2224	BDB::db_env_txn_checkpoint $DB_ENV;
1950		2225
1951	my $pid;	2226	unlink $path;
1952
1953	sub db_save() {
1954	waitpid $pid, 0 if $pid;
1955	if (0 == ($pid = fork)) {
1956	$DB->{_meta}{version} = 1;
1957	Storable::nstore $DB, "$path~";
1958	rename "$path~", $path;
1959	cf::_exit 0 if defined $pid;
1960	}	2227	};
1961	}
1962
1963	my $dirty;
1964
1965	sub db_sync() {
1966	db_save if $dirty;
1967	undef $dirty;
1968	}
1969
1970	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1971	db_sync;
1972	});	2228	}
		2229	}
1973		2230
1974	sub db_dirty() {
1975	$dirty = 1;
1976	$idle->start;
1977	}
1978
1979	sub db_get($;$) {	2231	sub db_get($$) {
1980	@_ >= 2	2232	my $key = "$_[0]/$_[1]";
1981	? $DB->{$_[0]}{$_[1]}
1982	: ($DB->{$_[0]} ||= { })
1983	}
1984		2233
		2234	cf::sync_job {
		2235	BDB::db_get $DB, undef, $key, my $data;
		2236
		2237	$! ? ()
		2238	: Compress::LZF::sthaw $data
		2239	}
		2240	}
		2241
1985	sub db_put($$;$) {	2242	sub db_put($$$) {
1986	if (@_ >= 3) {	2243	BDB::dbreq_pri 4;
1987	$DB->{$_[0]}{$_[1]} = $_[2];	2244	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1988	} else {
1989	$DB->{$_[0]} = $_[1];
1990	}
1991	db_dirty;
1992	}
1993
1994	cf::global->attach (
1995	prio => 10000,
1996	on_cleanup => sub {
1997	db_sync;
1998	},
1999	);
2000	}	2245	}
2001		2246
2002	#############################################################################	2247	#############################################################################
2003	# 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	}
2004		2254
2005	sub cfg_load {	2255	sub cfg_load {
2006	open my $fh, "<:utf8", cf::confdir . "/config"	2256	open my $fh, "<:utf8", cf::confdir . "/config"
2007	or return;	2257	or return;
2008		2258
2009	local $/;	2259	local $/;
2010	*CFG = YAML::Syck::Load <$fh>;	2260	*CFG = YAML::Syck::Load <$fh>;
2011		2261
2012	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2262	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2013		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
2014	if (exists $CFG{mlockall}) {	2267	if (exists $CFG{mlockall}) {
2015	eval {	2268	eval {
2016	$CFG{mlockall} ? &mlockall : &munlockall	2269	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2017	and die "WARNING: m(un)lockall failed: $!\n";	2270	and die "WARNING: m(un)lockall failed: $!\n";
2018	};	2271	};
2019	warn $@ if $@;	2272	warn $@ if $@;
2020	}	2273	}
		2274	}
		2275
		2276	sub init {
		2277	load_resources;
2021	}	2278	}
2022		2279
2023	sub main {	2280	sub main {
2024	# we must not ever block the main coroutine	2281	# we must not ever block the main coroutine
2025	local $Coro::idle = sub {	2282	local $Coro::idle = sub {
2026	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#
2027	(Coro::unblock_sub {	2284	(async {
2028	Event::one_event;	2285	Event::one_event;
2029	})->();	2286	})->prio (Coro::PRIO_MAX);
2030	};	2287	};
2031		2288
2032	cfg_load;	2289	cfg_load;
2033	db_load;
2034	load_extensions;	2290	load_extensions;
		2291
		2292	$TICK_WATCHER->start;
2035	Event::loop;	2293	Event::loop;
2036	}	2294	}
2037		2295
2038	#############################################################################	2296	#############################################################################
2039	# 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 $DB_ENV;
		2341	warn "end emergency database checkpoint\n";
		2342	};
		2343
		2344	warn "leave emergency perl save\n";
		2345	}
2040		2346
2041	sub reload() {	2347	sub reload() {
2042	# can/must only be called in main	2348	# can/must only be called in main
2043	if ($Coro::current != $Coro::main) {	2349	if ($Coro::current != $Coro::main) {
2044	warn "can only reload from main coroutine\n";	2350	warn "can only reload from main coroutine";
2045	return;	2351	return;
2046	}	2352	}
2047		2353
2048	warn "reloading...";	2354	warn "reloading...";
2049		2355
2050	my $guard = freeze_mainloop;	2356	warn "cancelling server ticker";
		2357	$TICK_WATCHER->cancel;
		2358
2051	cf::emergency_save;	2359	cf::emergency_save;
2052		2360
2053	eval {	2361	eval {
2054	# 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
2055		2363
2056	# cancel all watchers	2364	warn "cancelling all WF_AUTOCANCEL watchers";
2057	for (Event::all_watchers) {	2365	for (Event::all_watchers) {
2058	$_->cancel if $_->data & WF_AUTOCANCEL;	2366	$_->cancel if $_->data & WF_AUTOCANCEL;
2059	}	2367	}
2060		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
2061	# cancel all extension coros	2381	warn "cancelling all extension coros";
2062	$_->cancel for values %EXT_CORO;	2382	$_->cancel for values %EXT_CORO;
2063	%EXT_CORO = ();	2383	%EXT_CORO = ();
2064		2384
2065	# unload all extensions	2385	warn "removing commands";
2066	for (@exts) {	2386	%COMMAND = ();
		2387
		2388	warn "removing ext commands";
		2389	%EXTCMD = ();
		2390
		2391	warn "unloading/nuking all extensions";
		2392	for my $pkg (@EXTS) {
2067	warn "unloading <$_>";	2393	warn "... unloading $pkg";
2068	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: $@";
2069	}	2400	}
2070		2401
		2402	warn "... nuking $pkg";
		2403	Symbol::delete_package $pkg;
		2404	}
		2405
2071	# unload all modules loaded from $LIBDIR	2406	warn "unloading all perl modules loaded from $LIBDIR";
2072	while (my ($k, $v) = each %INC) {	2407	while (my ($k, $v) = each %INC) {
2073	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2408	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2074		2409
2075	warn "removing <$k>";	2410	warn "... unloading $k";
2076	delete $INC{$k};	2411	delete $INC{$k};
2077		2412
2078	$k =~ s/\.pm$//;	2413	$k =~ s/\.pm$//;
2079	$k =~ s/\//::/g;	2414	$k =~ s/\//::/g;
2080		2415
…		…
2083	}	2418	}
2084		2419
2085	Symbol::delete_package $k;	2420	Symbol::delete_package $k;
2086	}	2421	}
2087		2422
2088	# sync database to disk
2089	cf::db_sync;
2090	IO::AIO::flush;
2091
2092	# get rid of safe::, as good as possible	2423	warn "getting rid of safe::, as good as possible";
2093	Symbol::delete_package "safe::$_"	2424	Symbol::delete_package "safe::$_"
2094	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);
2095		2426
2096	# remove register_script_function callbacks
2097	# TODO
2098
2099	# unload cf.pm "a bit"	2427	warn "unloading cf.pm \"a bit\"";
2100	delete $INC{"cf.pm"};	2428	delete $INC{"cf.pm"};
2101		2429
2102	# don't, removes xs symbols, too,	2430	# don't, removes xs symbols, too,
2103	# and global variables created in xs	2431	# and global variables created in xs
2104	#Symbol::delete_package __PACKAGE__;	2432	#Symbol::delete_package __PACKAGE__;
2105		2433
2106	# reload cf.pm	2434	warn "unload completed, starting to reload now";
		2435
2107	warn "reloading cf.pm";	2436	warn "reloading cf.pm";
2108	require cf;	2437	require cf;
2109	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2438	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2110		2439
2111	# load config and database again	2440	warn "loading config and database again";
2112	cf::cfg_load;	2441	cf::cfg_load;
2113	cf::db_load;
2114		2442
2115	# load extensions
2116	warn "load extensions";	2443	warn "loading extensions";
2117	cf::load_extensions;	2444	cf::load_extensions;
2118		2445
2119	# reattach attachments to objects	2446	warn "reattaching attachments to objects/players";
2120	warn "reattach";
2121	_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	$TICK_WATCHER->start;
2122	};	2457	};
2123		2458
2124	if ($@) {	2459	if ($@) {
2125	warn $@;	2460	warn $@;
2126	warn "error while reloading, exiting.";	2461	warn "error while reloading, exiting.";
2127	exit 1;	2462	exit 1;
2128	}	2463	}
2129		2464
2130	warn "reloaded successfully";	2465	warn "reloaded";
2131	};	2466	};
2132		2467
2133	#############################################################################	2468	our $RELOAD_WATCHER; # used only during reload
2134
2135	unless ($LINK_MAP) {
2136	$LINK_MAP = cf::map::new;
2137
2138	$LINK_MAP->width (41);
2139	$LINK_MAP->height (41);
2140	$LINK_MAP->alloc;
2141	$LINK_MAP->path ("{link}");
2142	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2143	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2144
2145	# dirty hack because... archetypes are not yet loaded
2146	Event->timer (
2147	after => 2,
2148	cb => sub {
2149	$_[0]->w->cancel;
2150
2151	# provide some exits "home"
2152	my $exit = cf::object::new "exit";
2153
2154	$exit->slaying ($EMERGENCY_POSITION->[0]);
2155	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2156	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2157
2158	$LINK_MAP->insert ($exit->clone, 19, 19);
2159	$LINK_MAP->insert ($exit->clone, 19, 20);
2160	$LINK_MAP->insert ($exit->clone, 19, 21);
2161	$LINK_MAP->insert ($exit->clone, 20, 19);
2162	$LINK_MAP->insert ($exit->clone, 20, 21);
2163	$LINK_MAP->insert ($exit->clone, 21, 19);
2164	$LINK_MAP->insert ($exit->clone, 21, 20);
2165	$LINK_MAP->insert ($exit->clone, 21, 21);
2166
2167	$exit->destroy;
2168	});
2169
2170	$LINK_MAP->{deny_save} = 1;
2171	$LINK_MAP->{deny_reset} = 1;
2172
2173	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2174	}
2175
2176	register "<global>", __PACKAGE__;
2177		2469
2178	register_command "reload" => sub {	2470	register_command "reload" => sub {
2179	my ($who, $arg) = @_;	2471	my ($who, $arg) = @_;
2180		2472
2181	if ($who->flag (FLAG_WIZ)) {	2473	if ($who->flag (FLAG_WIZ)) {
2182	$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 {
2183	reload;	2484	reload;
2184	$who->message ("end of reload.");	2485	undef $RELOAD_WATCHER;
		2486	},
		2487	);
2185	}	2488	}
2186	};	2489	};
2187		2490
2188	unshift @INC, $LIBDIR;	2491	unshift @INC, $LIBDIR;
		2492
		2493	my $bug_warning = 0;
2189		2494
2190	$TICK_WATCHER = Event->timer (	2495	$TICK_WATCHER = Event->timer (
2191	reentrant => 0,	2496	reentrant => 0,
		2497	parked => 1,
2192	prio => 0,	2498	prio => 0,
2193	at => $NEXT_TICK || $TICK,	2499	at => $NEXT_TICK || $TICK,
2194	data => WF_AUTOCANCEL,	2500	data => WF_AUTOCANCEL,
2195	cb => sub {	2501	cb => sub {
		2502	if ($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
2196	cf::server_tick; # one server iteration	2510	cf::server_tick; # one server iteration
2197	$RUNTIME += $TICK;	2511	$RUNTIME += $TICK;
2198	$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#
2199		2522
2200	# 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
2201	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2524	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2202		2525
2203	$TICK_WATCHER->at ($NEXT_TICK);	2526	$TICK_WATCHER->at ($NEXT_TICK);
2204	$TICK_WATCHER->start;	2527	$TICK_WATCHER->start;
2205	},	2528	},
2206	);	2529	);
2207		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;
2208	IO::AIO::max_poll_time $TICK * 0.2;	2585	IO::AIO::max_poll_time $TICK * 0.1;
2209		2586	$AIO_POLL_WATCHER = Event->io (
2210	Event->io (	2587	reentrant => 0,
2211	fd => IO::AIO::poll_fileno,	2588	fd => IO::AIO::poll_fileno,
2212	poll => 'r',	2589	poll => 'r',
2213	prio => 5,	2590	prio => 6,
2214	data => WF_AUTOCANCEL,	2591	data => WF_AUTOCANCEL,
2215	cb => \&IO::AIO::poll_cb,	2592	cb => \&IO::AIO::poll_cb,
2216	);	2593	);
		2594	}
2217		2595
2218	Event->timer (	2596	$WRITE_RUNTIME_WATCHER = Event->timer (
		2597	reentrant => 0,
2219	data => WF_AUTOCANCEL,	2598	data => WF_AUTOCANCEL,
2220	after => 0,	2599	after => 1,
2221	interval => 10,	2600	interval => 10,
2222	cb => sub {	2601	prio => 6, # keep it lowest so it acts like a watchdog
2223	(Coro::unblock_sub {	2602	cb => Coro::unblock_sub {
2224	write_runtime	2603	write_runtime
2225	or warn "ERROR: unable to write runtime file: $!";	2604	or warn "ERROR: unable to write runtime file: $!";
2226	})->();
2227	},	2605	},
2228	);	2606	);
2229		2607
2230	END { cf::emergency_save }	2608	END { cf::emergency_save }
2231		2609

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