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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.132 by root, Thu Jan 4 01:35:56 2007 UTC vs.
Revision 1.219 by root, Sat Feb 17 03:19:44 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 $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	55	our $NEXT_TICK;
45	our $NOW;	56	our $NOW;
		57	our $USE_FSYNC = 1; # use fsync to write maps - default off
		58
		59	our $BDB_POLL_WATCHER;
		60	our $DB_ENV;
46		61
47	our %CFG;	62	our %CFG;
48		63
49	our $UPTIME; $UPTIME ||= time;	64	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	65	our $RUNTIME;
51		66
		67	our %PLAYER; # all users
52	our %MAP; # all maps	68	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	69	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	70	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	71	our $BDB_ENV_DIR = cf::localdir . "/db";
		72
		73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		75
		76	# used to convert map paths into valid unix filenames by replacing / by ∕
		77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		78
58	binmode STDOUT;	79	binmode STDOUT;
59	binmode STDERR;	80	binmode STDERR;
60		81
61	# read virtual server time, if available	82	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	89	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	90	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	91	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	92	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	93	mkdir $RANDOM_MAPS;
		94	mkdir $BDB_ENV_DIR;
73		95
74	# a special map that is always available
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	96	our $EMERGENCY_POSITION;
		97
		98	sub cf::map::normalise;
77		99
78	#############################################################################	100	#############################################################################
79		101
80	=head2 GLOBAL VARIABLES	102	=head2 GLOBAL VARIABLES
81		103
…		…
105		127
106	=item %cf::CFG	128	=item %cf::CFG
107		129
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	130	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	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.
110		139
111	=back	140	=back
112		141
113	=cut	142	=cut
114		143
…		…
118	utf8::encode $msg;	147	utf8::encode $msg;
119		148
120	$msg .= "\n"	149	$msg .= "\n"
121	unless $msg =~ /\n$/;	150	unless $msg =~ /\n$/;
122		151
123	LOG llevError, "cfperl: $msg";	152	LOG llevError, $msg;
124	};	153	};
125	}	154	}
126		155
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
146		175
147	$Event::DIED = sub {	176	$Event::DIED = sub {
148	warn "error in event callback: @_";	177	warn "error in event callback: @_";
149	};	178	};
150		179
151	my %ext_pkg;
152	my @exts;
153	my @hook;
154
155	=head2 UTILITY FUNCTIONS	180	=head2 UTILITY FUNCTIONS
156		181
157	=over 4	182	=over 4
158		183
		184	=item dumpval $ref
		185
159	=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	}
160		206
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	207	use JSON::Syck (); # TODO# replace by JSON::PC once working
162		208
163	=item $ref = cf::from_json $json	209	=item $ref = cf::from_json $json
164		210
…		…
180	sub to_json($) {	226	sub to_json($) {
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
182	JSON::Syck::Dump $_[0]	228	JSON::Syck::Dump $_[0]
183	}	229	}
184		230
185	=item my $guard = cf::guard { BLOCK }
186
187	Run the given callback when the guard object gets destroyed (useful for
188	coroutine cancellations).
189
190	You can call C<< ->cancel >> on the guard object to stop the block from
191	being executed.
192
193	=cut
194
195	sub guard(&) {
196	bless \(my $cb = $_[0]), cf::guard::;
197	}
198
199	sub cf::guard::cancel {
200	${$_[0]} = sub { };
201	}
202
203	sub cf::guard::DESTROY {
204	${$_[0]}->();
205	}
206
207	=item cf::lock_wait $string	231	=item cf::lock_wait $string
208		232
209	Wait until the given lock is available. See cf::lock_acquire.	233	Wait until the given lock is available. See cf::lock_acquire.
210		234
211	=item my $lock = cf::lock_acquire $string	235	=item my $lock = cf::lock_acquire $string
212		236
213	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
214	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,
215	for example when the coroutine gets canceled), the lock is automatically	239	for example when the coroutine gets canceled), the lock is automatically
216	returned.	240	returned.
217		241
218	Lock names should begin with a unique identifier (for example, find_map	242	Lock names should begin with a unique identifier (for example, cf::map::find
219	uses map_find and load_map uses map_load).	243	uses map_find and cf::map::load uses map_load).
220		244
221	=cut	245	=cut
222		246
223	our %LOCK;	247	our %LOCK;
224		248
…		…
238	# wait, to be sure we are not locked	262	# wait, to be sure we are not locked
239	lock_wait $key;	263	lock_wait $key;
240		264
241	$LOCK{$key} = [];	265	$LOCK{$key} = [];
242		266
243	cf::guard {	267	Coro::guard {
244	# wake up all waiters, to be on the safe side	268	# wake up all waiters, to be on the safe side
245	$_->ready for @{ delete $LOCK{$key} };	269	$_->ready for @{ delete $LOCK{$key} };
246	}	270	}
247	}	271	}
248		272
		273	sub freeze_mainloop {
		274	return unless $TICK_WATCHER->is_active;
		275
		276	my $guard = Coro::guard {
		277	$TICK_WATCHER->start;
		278	};
		279	$TICK_WATCHER->stop;
		280	$guard
		281	}
		282
249	=item cf::async { BLOCK }	283	=item cf::async { BLOCK }
250		284
251	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	285	Currently the same as Coro::async_pool, meaning you cannot use
252	error instead of exiting the server in case of a problem.	286	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		287	thing you are allowed to do is call C<prio> on it.
253		288
254	=cut	289	=cut
255		290
256	sub async(&) {	291	BEGIN { *async = \&Coro::async_pool }
257	my ($cb) = @_;
258
259	Coro::async {
260	eval { $cb->() };
261	warn $@ if $@;
262	}
263	}
264		292
265	=item cf::sync_job { BLOCK }	293	=item cf::sync_job { BLOCK }
266		294
267	The design of crossfire+ requires that the main coro ($Coro::main) is	295	The design of crossfire+ requires that the main coro ($Coro::main) is
268	always able to handle events or runnable, as crossfire+ is only partly	296	always able to handle events or runnable, as crossfire+ is only partly
…		…
282	# this is the main coro, too bad, we have to block	310	# this is the main coro, too bad, we have to block
283	# till the operation succeeds, freezing the server :/	311	# till the operation succeeds, freezing the server :/
284		312
285	# TODO: use suspend/resume instead	313	# TODO: use suspend/resume instead
286	# (but this is cancel-safe)	314	# (but this is cancel-safe)
287	local $FREEZE = 1;	315	my $freeze_guard = freeze_mainloop;
288		316
289	my $busy = 1;	317	my $busy = 1;
290	my @res;	318	my @res;
291		319
292	(Coro::async {	320	(async {
293	@res = eval { $job->() };	321	@res = eval { $job->() };
294	warn $@ if $@;	322	warn $@ if $@;
295	undef $busy;	323	undef $busy;
296	})->prio (Coro::PRIO_MAX);	324	})->prio (Coro::PRIO_MAX);
297		325
298	while ($busy) {	326	while ($busy) {
299	Coro::cede_notself;	327	Coro::cede or Event::one_event;
300	Event::one_event unless Coro::nready;
301	}	328	}
302		329
303	wantarray ? @res : $res[0]	330	wantarray ? @res : $res[0]
304	} else {	331	} else {
305	# we are in another coroutine, how wonderful, everything just works	332	# we are in another coroutine, how wonderful, everything just works
306		333
307	$job->()	334	$job->()
308	}	335	}
309	}	336	}
310		337
311	=item $coro = cf::coro { BLOCK }	338	=item $coro = cf::async_ext { BLOCK }
312		339
313	Creates and returns a new coro. This coro is automcatially being canceled	340	Like async, but this coro is automatically being canceled when the
314	when the extension calling this is being unloaded.	341	extension calling this is being unloaded.
315		342
316	=cut	343	=cut
317		344
318	sub coro(&) {	345	sub async_ext(&) {
319	my $cb = shift;	346	my $cb = shift;
320		347
321	my $coro = &cf::async ($cb);	348	my $coro = &Coro::async ($cb);
322		349
323	$coro->on_destroy (sub {	350	$coro->on_destroy (sub {
324	delete $EXT_CORO{$coro+0};	351	delete $EXT_CORO{$coro+0};
325	});	352	});
326	$EXT_CORO{$coro+0} = $coro;	353	$EXT_CORO{$coro+0} = $coro;
327		354
328	$coro	355	$coro
329	}	356	}
330		357
331	sub write_runtime {	358	sub write_runtime {
		359	my $guard = cf::lock_acquire "write_runtime";
		360
332	my $runtime = cf::localdir . "/runtime";	361	my $runtime = cf::localdir . "/runtime";
333		362
334	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
335	or return;	364	or return;
336		365
		366	my $value = $cf::RUNTIME + 90 + 10;
337	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
338	(aio_write $fh, 0, (length $value), $value, 0) <= 0	370	(aio_write $fh, 0, (length $value), $value, 0) <= 0
339	and return;	371	and return;
340		372
		373	# always fsync - this file is important
341	aio_fsync $fh	374	aio_fsync $fh
342	and return;	375	and return;
343		376
344	close $fh	377	close $fh
345	or return;	378	or return;
…		…
351	}	384	}
352		385
353	=back	386	=back
354		387
355	=cut	388	=cut
356
357	#############################################################################
358
359	package cf::path;
360
361	sub new {
362	my ($class, $path, $base) = @_;
363
364	$path = $path->as_string if ref $path;
365
366	my $self = bless { }, $class;
367
368	# {... are special paths that are not touched
369	# ?xxx/... are special absolute paths
370	# ?random/... random maps
371	# /! non-realised random map exit
372	# /... normal maps
373	# ~/... per-player maps without a specific player (DO NOT USE)
374	# ~user/... per-player map of a specific user
375
376	if ($path =~ /^{/) {
377	# fine as it is
378	} elsif ($path =~ s{^\?random/}{}) {
379	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
380	$self->{random} = cf::from_json $data;
381	} else {
382	if ($path =~ s{^~([^/]+)?}{}) {
383	$self->{user_rel} = 1;
384
385	if (defined $1) {
386	$self->{user} = $1;
387	} elsif ($base =~ m{^~([^/]+)/}) {
388	$self->{user} = $1;
389	} else {
390	warn "cannot resolve user-relative path without user <$path,$base>\n";
391	}
392	} elsif ($path =~ /^\//) {
393	# already absolute
394	} else {
395	$base =~ s{[^/]+/?$}{};
396	return $class->new ("$base/$path");
397	}
398
399	for ($path) {
400	redo if s{/\.?/}{/};
401	redo if s{/[^/]+/\.\./}{/};
402	}
403	}
404
405	$self->{path} = $path;
406
407	$self
408	}
409
410	# the name / primary key / in-game path
411	sub as_string {
412	my ($self) = @_;
413
414	$self->{user_rel} ? "~$self->{user}$self->{path}"
415	: $self->{random} ? "?random/$self->{path}"
416	: $self->{path}
417	}
418
419	# the displayed name, this is a one way mapping
420	sub visible_name {
421	my ($self) = @_;
422
423	# if (my $rmp = $self->{random}) {
424	# # todo: be more intelligent about this
425	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
426	# } else {
427	$self->as_string
428	# }
429	}
430
431	# escape the /'s in the path
432	sub _escaped_path {
433	# ∕ is U+2215
434	(my $path = $_[0]{path}) =~ s/\//∕/g;
435	$path
436	}
437
438	# the original (read-only) location
439	sub load_path {
440	my ($self) = @_;
441
442	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
443	}
444
445	# the temporary/swap location
446	sub save_path {
447	my ($self) = @_;
448
449	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
450	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
451	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
452	}
453
454	# the unique path, might be eq to save_path
455	sub uniq_path {
456	my ($self) = @_;
457
458	$self->{user_rel} || $self->{random}
459	? undef
460	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
461	}
462
463	# return random map parameters, or undef
464	sub random_map_params {
465	my ($self) = @_;
466
467	$self->{random}
468	}
469
470	# this is somewhat ugly, but style maps do need special treatment
471	sub is_style_map {
472	$_[0]{path} =~ m{^/styles/}
473	}
474
475	package cf;
476		389
477	#############################################################################	390	#############################################################################
478		391
479	=head2 ATTACHABLE OBJECTS	392	=head2 ATTACHABLE OBJECTS
480		393
…		…
606	our @CB_TYPE = (); # registry for type (cf-object class) based events	519	our @CB_TYPE = (); # registry for type (cf-object class) based events
607	our @CB_MAP = ();	520	our @CB_MAP = ();
608		521
609	my %attachment;	522	my %attachment;
610		523
		524	sub cf::attachable::thawer_merge {
		525	# simply override everything except _meta
		526	local $_[0]{_meta};
		527	%{$_[0]} = %{$_[1]};
		528	}
		529
611	sub _attach_cb($$$$) {	530	sub _attach_cb($$$$) {
612	my ($registry, $event, $prio, $cb) = @_;	531	my ($registry, $event, $prio, $cb) = @_;
613		532
614	use sort 'stable';	533	use sort 'stable';
615		534
…		…
786	# object support	705	# object support
787		706
788	sub reattach {	707	sub reattach {
789	# basically do the same as instantiate, without calling instantiate	708	# basically do the same as instantiate, without calling instantiate
790	my ($obj) = @_;	709	my ($obj) = @_;
		710
		711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
791		712
792	my $registry = $obj->registry;	713	my $registry = $obj->registry;
793		714
794	@$registry = ();	715	@$registry = ();
795		716
…		…
842	$filename, length $$rdata, scalar @$objs;	763	$filename, length $$rdata, scalar @$objs;
843		764
844	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
845	chmod SAVE_MODE, $fh;	766	chmod SAVE_MODE, $fh;
846	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
847	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
848	close $fh;	769	close $fh;
849		770
850	if (@$objs) {	771	if (@$objs) {
851	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) {
852	chmod SAVE_MODE, $fh;	773	chmod SAVE_MODE, $fh;
853	my $data = Storable::nfreeze { version => 1, objs => $objs };	774	my $data = Storable::nfreeze { version => 1, objs => $objs };
854	aio_write $fh, 0, (length $data), $data, 0;	775	aio_write $fh, 0, (length $data), $data, 0;
855	aio_fsync $fh;	776	aio_fsync $fh if $cf::USE_FSYNC;
856	close $fh;	777	close $fh;
857	aio_rename "$filename.pst~", "$filename.pst";	778	aio_rename "$filename.pst~", "$filename.pst";
858	}	779	}
859	} else {	780	} else {
860	aio_unlink "$filename.pst";	781	aio_unlink "$filename.pst";
…		…
927	=cut	848	=cut
928		849
929	sub register_extcmd {	850	sub register_extcmd {
930	my ($name, $cb) = @_;	851	my ($name, $cb) = @_;
931		852
932	my $caller = caller;
933	#warn "registering extcmd '$name' to '$caller'";
934
935	$EXTCMD{$name} = [$cb, $caller];	853	$EXTCMD{$name} = $cb;
936	}	854	}
937		855
938	cf::player->attach (	856	cf::player->attach (
939	on_command => sub {	857	on_command => sub {
940	my ($pl, $name, $params) = @_;	858	my ($pl, $name, $params) = @_;
…		…
953		871
954	my $msg = eval { from_json $buf };	872	my $msg = eval { from_json $buf };
955		873
956	if (ref $msg) {	874	if (ref $msg) {
957	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
958	if (my %reply = $cb->[0]->($pl, $msg)) {	876	if (my %reply = $cb->($pl, $msg)) {
959	$pl->ext_reply ($msg->{msgid}, %reply);	877	$pl->ext_reply ($msg->{msgid}, %reply);
960	}	878	}
961	}	879	}
962	} else {	880	} else {
963	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
965		883
966	cf::override;	884	cf::override;
967	},	885	},
968	);	886	);
969		887
970	sub register {
971	my ($base, $pkg) = @_;
972
973	#TODO
974	}
975
976	sub load_extension {	888	sub load_extension {
977	my ($path) = @_;	889	my ($path) = @_;
978		890
979	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
980	my $base = $1;	892	my $base = $1;
981	my $pkg = $1;	893	my $pkg = $1;
982	$pkg =~ s/[^[:word:]]/_/g;	894	$pkg =~ s/[^[:word:]]/_/g;
983	$pkg = "ext::$pkg";	895	$pkg = "ext::$pkg";
984		896
985	warn "loading '$path' into '$pkg'\n";	897	warn "... loading '$path' into '$pkg'\n";
986		898
987	open my $fh, "<:utf8", $path	899	open my $fh, "<:utf8", $path
988	or die "$path: $!";	900	or die "$path: $!";
989		901
990	my $source =	902	my $source =
991	"package $pkg; use strict; use utf8;\n"	903	"package $pkg; use strict; use utf8;\n"
992	. "#line 1 \"$path\"\n{\n"	904	. "#line 1 \"$path\"\n{\n"
993	. (do { local $/; <$fh> })	905	. (do { local $/; <$fh> })
994	. "\n};\n1";	906	. "\n};\n1";
995		907
996	eval $source	908	unless (eval $source) {
997	or die $@ ? "$path: $@\n"	909	my $msg = $@ ? "$path: $@\n"
998	: "extension disabled.\n";	910	: "extension disabled.\n";
999		911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1000	push @exts, $pkg;	912	warn $@;
1001	$ext_pkg{$base} = $pkg;	913	warn "mandatory extension failed to load, exiting.\n";
1002		914	exit 1;
1003	# no strict 'refs';	915	}
1004	# @{"$pkg\::ISA"} = ext::;	916	die $@;
1005
1006	register $base, $pkg;
1007	}
1008
1009	sub unload_extension {
1010	my ($pkg) = @_;
1011
1012	warn "removing extension $pkg\n";
1013
1014	# remove hooks
1015	#TODO
1016	# for my $idx (0 .. $#PLUGIN_EVENT) {
1017	# delete $hook[$idx]{$pkg};
1018	# }	917	}
1019		918
1020	# remove commands	919	push @EXTS, $pkg;
1021	for my $name (keys %COMMAND) {
1022	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1023
1024	if (@cb) {
1025	$COMMAND{$name} = \@cb;
1026	} else {
1027	delete $COMMAND{$name};
1028	}
1029	}
1030
1031	# remove extcmds
1032	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1033	delete $EXTCMD{$name};
1034	}
1035
1036	if (my $cb = $pkg->can ("unload")) {
1037	eval {
1038	$cb->($pkg);
1039	1
1040	} or warn "$pkg unloaded, but with errors: $@";
1041	}
1042
1043	Symbol::delete_package $pkg;
1044	}	920	}
1045		921
1046	sub load_extensions {	922	sub load_extensions {
1047	for my $ext (<$LIBDIR/*.ext>) {	923	for my $ext (<$LIBDIR/*.ext>) {
1048	next unless -r $ext;	924	next unless -r $ext;
…		…
1052	} or warn "$ext not loaded: $@";	928	} or warn "$ext not loaded: $@";
1053	}	929	}
1054	}	930	}
1055		931
1056	#############################################################################	932	#############################################################################
1057	# load/save/clean perl data associated with a map
1058
1059	*cf::mapsupport::on_clean = sub {
1060	my ($map) = @_;
1061
1062	my $path = $map->tmpname;
1063	defined $path or return;
1064
1065	unlink "$path.pst";
1066	};
1067
1068	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1069
1070	#############################################################################
1071	# load/save perl data associated with player->ob objects
1072
1073	sub all_objects(@) {
1074	@_, map all_objects ($_->inv), @_
1075	}
1076
1077	# TODO: compatibility cruft, remove when no longer needed
1078	cf::player->attach (
1079	on_load => sub {
1080	my ($pl, $path) = @_;
1081
1082	for my $o (all_objects $pl->ob) {
1083	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1084	$o->set_ob_key_value ("_perl_data");
1085
1086	%$o = %{ Storable::thaw pack "H*", $value };
1087	}
1088	}
1089	},
1090	);
1091
1092	#############################################################################
1093		933
1094	=head2 CORE EXTENSIONS	934	=head2 CORE EXTENSIONS
1095		935
1096	Functions and methods that extend core crossfire objects.	936	Functions and methods that extend core crossfire objects.
1097		937
		938	=cut
		939
		940	package cf::player;
		941
		942	use Coro::AIO;
		943
1098	=head3 cf::player	944	=head3 cf::player
1099		945
1100	=over 4	946	=over 4
1101		947
1102	=item cf::player::exists $login	948	=item cf::player::find $login
1103		949
1104	Returns true when the given account exists.	950	Returns the given player object, loading it if necessary (might block).
1105		951
1106	=cut	952	=cut
1107		953
1108	sub cf::player::exists($) {	954	sub playerdir($) {
1109	cf::player::find $_[0]	955	cf::localdir
1110	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	956	. "/"
		957	. cf::playerdir
		958	. "/"
		959	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		960	}
		961
		962	sub path($) {
		963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		964
		965	(playerdir $login) . "/$login.pl"
		966	}
		967
		968	sub find_active($) {
		969	$cf::PLAYER{$_[0]}
		970	and $cf::PLAYER{$_[0]}->active
		971	and $cf::PLAYER{$_[0]}
		972	}
		973
		974	sub exists($) {
		975	my ($login) = @_;
		976
		977	$cf::PLAYER{$login}
		978	or cf::sync_job { !aio_stat path $login }
		979	}
		980
		981	sub find($) {
		982	return $cf::PLAYER{$_[0]} || do {
		983	my $login = $_[0];
		984
		985	my $guard = cf::lock_acquire "user_find:$login";
		986
		987	$cf::PLAYER{$_[0]} || do {
		988	my $pl = load_pl path $login
		989	or return;
		990	$cf::PLAYER{$login} = $pl
		991	}
		992	}
		993	}
		994
		995	sub save($) {
		996	my ($pl) = @_;
		997
		998	return if $pl->{deny_save};
		999
		1000	my $path = path $pl;
		1001	my $guard = cf::lock_acquire "user_save:$path";
		1002
		1003	return if $pl->{deny_save};
		1004
		1005	aio_mkdir playerdir $pl, 0770;
		1006	$pl->{last_save} = $cf::RUNTIME;
		1007
		1008	$pl->save_pl ($path);
		1009	Coro::cede;
		1010	}
		1011
		1012	sub new($) {
		1013	my ($login) = @_;
		1014
		1015	my $self = create;
		1016
		1017	$self->ob->name ($login);
		1018	$self->{deny_save} = 1;
		1019
		1020	$cf::PLAYER{$login} = $self;
		1021
		1022	$self
		1023	}
		1024
		1025	=item $pl->quit_character
		1026
		1027	Nukes the player without looking back. If logged in, the connection will
		1028	be destroyed. May block for a long time.
		1029
		1030	=cut
		1031
		1032	sub quit_character {
		1033	my ($pl) = @_;
		1034
		1035	$pl->{deny_save} = 1;
		1036	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1037
		1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1039	$pl->deactivate;
		1040	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1041	$pl->ns->destroy if $pl->ns;
		1042
		1043	my $path = playerdir $pl;
		1044	my $temp = "$path~$cf::RUNTIME~deleting~";
		1045	aio_rename $path, $temp;
		1046	delete $cf::PLAYER{$pl->ob->name};
		1047	$pl->destroy;
		1048	IO::AIO::aio_rmtree $temp;
		1049	}
		1050
		1051	=item cf::player::list_logins
		1052
		1053	Returns am arrayref of all valid playernames in the system, can take a
		1054	while and may block, so not sync_job-capable, ever.
		1055
		1056	=cut
		1057
		1058	sub list_logins {
		1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1060	or return [];
		1061
		1062	my @logins;
		1063
		1064	for my $login (@$dirs) {
		1065	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1066	aio_read $fh, 0, 512, my $buf, 0 or next;
		1067	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1068
		1069	utf8::decode $login;
		1070	push @logins, $login;
		1071	}
		1072
		1073	\@logins
		1074	}
		1075
		1076	=item $player->maps
		1077
		1078	Returns an arrayref of map paths that are private for this
		1079	player. May block.
		1080
		1081	=cut
		1082
		1083	sub maps($) {
		1084	my ($pl) = @_;
		1085
		1086	$pl = ref $pl ? $pl->ob->name : $pl;
		1087
		1088	my $files = aio_readdir playerdir $pl
		1089	or return;
		1090
		1091	my @paths;
		1092
		1093	for (@$files) {
		1094	utf8::decode $_;
		1095	next if /\.(?:pl|pst)$/;
		1096	next unless /^$PATH_SEP/o;
		1097
		1098	push @paths, cf::map::normalise "~$pl/$_";
		1099	}
		1100
		1101	\@paths
1111	}	1102	}
1112		1103
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1104	=item $player->ext_reply ($msgid, $msgtype, %msg)
1114		1105
1115	Sends an ext reply to the player.	1106	Sends an ext reply to the player.
1116		1107
1117	=cut	1108	=cut
1118		1109
1119	sub cf::player::ext_reply($$$%) {	1110	sub ext_reply($$$%) {
1120	my ($self, $id, %msg) = @_;	1111	my ($self, $id, %msg) = @_;
1121		1112
1122	$msg{msgid} = $id;	1113	$msg{msgid} = $id;
1123		1114
1124	$self->send ("ext " . to_json \%msg);	1115	$self->send ("ext " . cf::to_json \%msg);
1125	}	1116	}
		1117
		1118	package cf;
1126		1119
1127	=back	1120	=back
1128		1121
1129		1122
1130	=head3 cf::map	1123	=head3 cf::map
…		…
1136	package cf::map;	1129	package cf::map;
1137		1130
1138	use Fcntl;	1131	use Fcntl;
1139	use Coro::AIO;	1132	use Coro::AIO;
1140		1133
		1134	use overload
		1135	'""' => \&as_string,
		1136	fallback => 1;
		1137
1141	our $MAX_RESET = 7200;	1138	our $MAX_RESET = 3600;
1142	our $DEFAULT_RESET = 3600;	1139	our $DEFAULT_RESET = 3000;
1143		1140
1144	sub generate_random_map {	1141	sub generate_random_map {
1145	my ($path, $rmp) = @_;	1142	my ($self, $rmp) = @_;
1146
1147	# mit "rum" bekleckern, nicht	1143	# mit "rum" bekleckern, nicht
1148	cf::map::_create_random_map	1144	$self->_create_random_map (
1149	$path,
1150	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1145	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1151	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1146	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1152	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1147	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1153	$rmp->{exit_on_final_map},	1148	$rmp->{exit_on_final_map},
1154	$rmp->{xsize}, $rmp->{ysize},	1149	$rmp->{xsize}, $rmp->{ysize},
1155	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1150	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1156	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1151	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1157	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1152	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1158	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1153	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1159	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1154	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1160	(cf::region::find $rmp->{region})	1155	(cf::region::find $rmp->{region}), $rmp->{custom}
		1156	)
		1157	}
		1158
		1159	=item cf::map->register ($regex, $prio)
		1160
		1161	Register a handler for the map path matching the given regex at the
		1162	givne priority (higher is better, built-in handlers have priority 0, the
		1163	default).
		1164
		1165	=cut
		1166
		1167	sub register {
		1168	my (undef, $regex, $prio) = @_;
		1169	my $pkg = caller;
		1170
		1171	no strict;
		1172	push @{"$pkg\::ISA"}, __PACKAGE__;
		1173
		1174	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1175	}
		1176
		1177	# also paths starting with '/'
		1178	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1179
		1180	sub thawer_merge {
		1181	my ($self, $merge) = @_;
		1182
		1183	# we have to keep some variables in memory intact
		1184	local $self->{path};
		1185	local $self->{load_path};
		1186	local $self->{deny_save};
		1187	local $self->{deny_reset};
		1188
		1189	$self->SUPER::thawer_merge ($merge);
		1190	}
		1191
		1192	sub normalise {
		1193	my ($path, $base) = @_;
		1194
		1195	$path = "$path"; # make sure its a string
		1196
		1197	$path =~ s/\.map$//;
		1198
		1199	# map plan:
		1200	#
		1201	# /! non-realised random map exit (special hack!)
		1202	# {... are special paths that are not being touched
		1203	# ?xxx/... are special absolute paths
		1204	# ?random/... random maps
		1205	# /... normal maps
		1206	# ~user/... per-player map of a specific user
		1207
		1208	$path =~ s/$PATH_SEP/\//go;
		1209
		1210	# treat it as relative path if it starts with
		1211	# something that looks reasonable
		1212	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1213	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1214
		1215	$base =~ s{[^/]+/?$}{};
		1216	$path = "$base/$path";
		1217	}
		1218
		1219	for ($path) {
		1220	redo if s{//}{/};
		1221	redo if s{/\.?/}{/};
		1222	redo if s{/[^/]+/\.\./}{/};
		1223	}
		1224
		1225	$path
		1226	}
		1227
		1228	sub new_from_path {
		1229	my (undef, $path, $base) = @_;
		1230
		1231	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1232
		1233	$path = normalise $path, $base;
		1234
		1235	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1236	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1237	my $self = bless cf::map::new, $pkg;
		1238	$self->{path} = $path; $self->path ($path);
		1239	$self->init; # pass $1 etc.
		1240	return $self;
		1241	}
		1242	}
		1243
		1244	Carp::carp "unable to resolve path '$path' (base '$base').";
		1245	()
		1246	}
		1247
		1248	sub init {
		1249	my ($self) = @_;
		1250
		1251	$self
		1252	}
		1253
		1254	sub as_string {
		1255	my ($self) = @_;
		1256
		1257	"$self->{path}"
		1258	}
		1259
		1260	# the displayed name, this is a one way mapping
		1261	sub visible_name {
		1262	&as_string
		1263	}
		1264
		1265	# the original (read-only) location
		1266	sub load_path {
		1267	my ($self) = @_;
		1268
		1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1270	}
		1271
		1272	# the temporary/swap location
		1273	sub save_path {
		1274	my ($self) = @_;
		1275
		1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1278	}
		1279
		1280	# the unique path, undef == no special unique path
		1281	sub uniq_path {
		1282	my ($self) = @_;
		1283
		1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1161	}	1286	}
1162		1287
1163	# and all this just because we cannot iterate over	1288	# and all this just because we cannot iterate over
1164	# all maps in C++...	1289	# all maps in C++...
1165	sub change_all_map_light {	1290	sub change_all_map_light {
…		…
1167		1292
1168	$_->change_map_light ($change)	1293	$_->change_map_light ($change)
1169	for grep $_->outdoor, values %cf::MAP;	1294	for grep $_->outdoor, values %cf::MAP;
1170	}	1295	}
1171		1296
		1297	sub unlink_save {
		1298	my ($self) = @_;
		1299
		1300	utf8::encode (my $save = $self->save_path);
		1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1303	}
		1304
1172	sub try_load_header($) {	1305	sub load_header_from($) {
1173	my ($path) = @_;	1306	my ($self, $path) = @_;
1174		1307
1175	utf8::encode $path;	1308	utf8::encode $path;
1176	aio_open $path, O_RDONLY, 0	1309	#aio_open $path, O_RDONLY, 0
		1310	# or return;
		1311
		1312	$self->_load_header ($path)
1177	or return;	1313	or return;
1178		1314
1179	my $map = cf::map::new	1315	$self->{load_path} = $path;
		1316
		1317	1
		1318	}
		1319
		1320	sub load_header_orig {
		1321	my ($self) = @_;
		1322
		1323	$self->load_header_from ($self->load_path)
		1324	}
		1325
		1326	sub load_header_temp {
		1327	my ($self) = @_;
		1328
		1329	$self->load_header_from ($self->save_path)
		1330	}
		1331
		1332	sub prepare_temp {
		1333	my ($self) = @_;
		1334
		1335	$self->last_access ((delete $self->{last_access})
		1336	|| $cf::RUNTIME); #d#
		1337	# safety
		1338	$self->{instantiate_time} = $cf::RUNTIME
		1339	if $self->{instantiate_time} > $cf::RUNTIME;
		1340	}
		1341
		1342	sub prepare_orig {
		1343	my ($self) = @_;
		1344
		1345	$self->{load_original} = 1;
		1346	$self->{instantiate_time} = $cf::RUNTIME;
		1347	$self->last_access ($cf::RUNTIME);
		1348	$self->instantiate;
		1349	}
		1350
		1351	sub load_header {
		1352	my ($self) = @_;
		1353
		1354	if ($self->load_header_temp) {
		1355	$self->prepare_temp;
		1356	} else {
		1357	$self->load_header_orig
1180	or return;	1358	or return;
		1359	$self->prepare_orig;
		1360	}
1181		1361
1182	$map->load_header ($path)	1362	1
1183	or return;
1184
1185	$map->{load_path} = $path;
1186
1187	$map
1188	}	1363	}
1189		1364
1190	sub find_map;	1365	sub find;
1191	sub find_map {	1366	sub find {
1192	my ($path, $origin) = @_;	1367	my ($path, $origin) = @_;
1193		1368
1194	#warn "find_map<$path,$origin>\n";#d#
1195
1196	$path = new cf::path $path, $origin && $origin->path;	1369	$path = normalise $path, $origin && $origin->path;
1197	my $key = $path->as_string;
1198		1370
1199	cf::lock_wait "map_find:$key";	1371	cf::lock_wait "map_find:$path";
1200		1372
1201	$cf::MAP{$key} || do {	1373	$cf::MAP{$path} || do {
1202	my $guard = cf::lock_acquire "map_find:$key";	1374	my $guard = cf::lock_acquire "map_find:$path";
1203		1375	my $map = new_from_path cf::map $path
1204	# do it the slow way
1205	my $map = try_load_header $path->save_path;
1206
1207	if ($map) {
1208	$map->last_access ((delete $map->{last_access})
1209	|| $cf::RUNTIME); #d#
1210	# safety
1211	$map->{instantiate_time} = $cf::RUNTIME
1212	if $map->{instantiate_time} > $cf::RUNTIME;
1213	} else {
1214	if (my $rmp = $path->random_map_params) {
1215	$map = generate_random_map $key, $rmp;
1216	} else {
1217	$map = try_load_header $path->load_path;
1218	}
1219
1220	$map or return;	1376	or return;
1221		1377
1222	$map->{load_original} = 1;
1223	$map->{instantiate_time} = $cf::RUNTIME;
1224	$map->last_access ($cf::RUNTIME);
1225	$map->instantiate;
1226
1227	# per-player maps become, after loading, normal maps
1228	$map->per_player (0) if $path->{user_rel};
1229	}
1230
1231	$map->path ($key);
1232	$map->{path} = $path;
1233	$map->{last_save} = $cf::RUNTIME;	1378	$map->{last_save} = $cf::RUNTIME;
1234		1379
1235	if ($map->should_reset) {	1380	$map->load_header
		1381	or return;
		1382
		1383	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1384	# doing this can freeze the server in a sync job, obviously
		1385	#$cf::WAIT_FOR_TICK->wait;
1236	$map->reset;	1386	$map->reset;
1237	undef $guard;	1387	undef $guard;
1238	$map = find_map $path	1388	return find $path;
1239	or return;
1240	}	1389	}
1241		1390
1242	$cf::MAP{$key} = $map	1391	$cf::MAP{$path} = $map
1243	}	1392	}
1244	}	1393	}
		1394
		1395	sub pre_load { }
		1396	sub post_load { }
1245		1397
1246	sub load {	1398	sub load {
1247	my ($self) = @_;	1399	my ($self) = @_;
1248		1400
		1401	local $self->{deny_reset} = 1; # loading can take a long time
		1402
1249	my $path = $self->{path};	1403	my $path = $self->{path};
1250	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1404	my $guard = cf::lock_acquire "map_load:$path";
1251		1405
1252	return if $self->in_memory != cf::MAP_SWAPPED;	1406	return if $self->in_memory != cf::MAP_SWAPPED;
1253		1407
1254	$self->in_memory (cf::MAP_LOADING);	1408	$self->in_memory (cf::MAP_LOADING);
1255		1409
1256	$self->alloc;	1410	$self->alloc;
		1411
		1412	$self->pre_load;
		1413
1257	$self->load_objects ($self->{load_path}, 1)	1414	$self->_load_objects ($self->{load_path}, 1)
1258	or return;	1415	or return;
1259		1416
1260	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1417	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1261	if delete $self->{load_original};	1418	if delete $self->{load_original};
1262		1419
1263	if (my $uniq = $path->uniq_path) {	1420	if (my $uniq = $self->uniq_path) {
1264	utf8::encode $uniq;	1421	utf8::encode $uniq;
1265	if (aio_open $uniq, O_RDONLY, 0) {	1422	if (aio_open $uniq, O_RDONLY, 0) {
1266	$self->clear_unique_items;	1423	$self->clear_unique_items;
1267	$self->load_objects ($uniq, 0);	1424	$self->_load_objects ($uniq, 0);
1268	}	1425	}
1269	}	1426	}
		1427
		1428	Coro::cede;
1270		1429
1271	# now do the right thing for maps	1430	# now do the right thing for maps
1272	$self->link_multipart_objects;	1431	$self->link_multipart_objects;
1273		1432
1274	if ($self->{path}->is_style_map) {	1433	unless ($self->{deny_activate}) {
1275	$self->{deny_save} = 1;	1434	$self->decay_objects;
1276	$self->{deny_reset} = 1;
1277	} else {
1278	$self->fix_auto_apply;	1435	$self->fix_auto_apply;
1279	$self->decay_objects;
1280	$self->update_buttons;	1436	$self->update_buttons;
		1437	Coro::cede;
1281	$self->set_darkness_map;	1438	$self->set_darkness_map;
1282	$self->difficulty ($self->estimate_difficulty)	1439	$self->difficulty ($self->estimate_difficulty)
1283	unless $self->difficulty;	1440	unless $self->difficulty;
		1441	Coro::cede;
1284	$self->activate;	1442	$self->activate;
1285	}	1443	}
1286		1444
		1445	$self->post_load;
		1446
1287	$self->in_memory (cf::MAP_IN_MEMORY);	1447	$self->in_memory (cf::MAP_IN_MEMORY);
1288	}	1448	}
1289		1449
1290	sub load_map_sync {	1450	sub customise_for {
		1451	my ($self, $ob) = @_;
		1452
		1453	return find "~" . $ob->name . "/" . $self->{path}
		1454	if $self->per_player;
		1455
		1456	$self
		1457	}
		1458
		1459	# find and load all maps in the 3x3 area around a map
		1460	sub load_diag {
		1461	my ($map) = @_;
		1462
		1463	my @diag; # diagonal neighbours
		1464
		1465	for (0 .. 3) {
		1466	my $neigh = $map->tile_path ($_)
		1467	or next;
		1468	$neigh = find $neigh, $map
		1469	or next;
		1470	$neigh->load;
		1471
		1472	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1473	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1474	}
		1475
		1476	for (@diag) {
		1477	my $neigh = find @$_
		1478	or next;
		1479	$neigh->load;
		1480	}
		1481	}
		1482
		1483	sub find_sync {
1291	my ($path, $origin) = @_;	1484	my ($path, $origin) = @_;
1292		1485
1293	#warn "load_map_sync<$path, $origin>\n";#d#	1486	cf::sync_job { find $path, $origin }
		1487	}
1294		1488
1295	cf::sync_job {	1489	sub do_load_sync {
1296	my $map = cf::map::find_map $path, $origin	1490	my ($map) = @_;
1297	or return;	1491
		1492	cf::sync_job { $map->load };
		1493	}
		1494
		1495	our %MAP_PREFETCH;
		1496	our $MAP_PREFETCHER = undef;
		1497
		1498	sub find_async {
		1499	my ($path, $origin) = @_;
		1500
		1501	$path = normalise $path, $origin && $origin->{path};
		1502
		1503	if (my $map = $cf::MAP{$path}) {
		1504	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1505	}
		1506
		1507	undef $MAP_PREFETCH{$path};
		1508	$MAP_PREFETCHER ||= cf::async {
		1509	while (%MAP_PREFETCH) {
		1510	for my $path (keys %MAP_PREFETCH) {
		1511	my $map = find $path
		1512	or next;
1298	$map->load;	1513	$map->load;
1299	$map	1514
		1515	delete $MAP_PREFETCH{$path};
		1516	}
		1517	}
		1518	undef $MAP_PREFETCHER;
1300	}	1519	};
		1520	$MAP_PREFETCHER->prio (6);
		1521
		1522	()
1301	}	1523	}
1302		1524
1303	sub save {	1525	sub save {
1304	my ($self) = @_;	1526	my ($self) = @_;
1305		1527
		1528	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1529
1306	$self->{last_save} = $cf::RUNTIME;	1530	$self->{last_save} = $cf::RUNTIME;
1307		1531
1308	return unless $self->dirty;	1532	return unless $self->dirty;
1309		1533
1310	my $save = $self->{path}->save_path; utf8::encode $save;	1534	my $save = $self->save_path; utf8::encode $save;
1311	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1535	my $uniq = $self->uniq_path; utf8::encode $uniq;
1312		1536
1313	$self->{load_path} = $save;	1537	$self->{load_path} = $save;
1314		1538
1315	return if $self->{deny_save};	1539	return if $self->{deny_save};
1316		1540
1317	local $self->{last_access} = $self->last_access;#d#	1541	local $self->{last_access} = $self->last_access;#d#
1318		1542
		1543	cf::async {
		1544	$_->contr->save for $self->players;
		1545	};
		1546
1319	if ($uniq) {	1547	if ($uniq) {
1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1548	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1321	$self->save_objects ($uniq, cf::IO_UNIQUES);	1549	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1322	} else {	1550	} else {
1323	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1551	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1324	}	1552	}
1325	}	1553	}
1326		1554
1327	sub swap_out {	1555	sub swap_out {
1328	my ($self) = @_;	1556	my ($self) = @_;
1329		1557
1330	# save first because save cedes	1558	# save first because save cedes
1331	$self->save;	1559	$self->save;
		1560
		1561	my $lock = cf::lock_acquire "map_data:" . $self->path;
1332		1562
1333	return if $self->players;	1563	return if $self->players;
1334	return if $self->in_memory != cf::MAP_IN_MEMORY;	1564	return if $self->in_memory != cf::MAP_IN_MEMORY;
1335	return if $self->{deny_save};	1565	return if $self->{deny_save};
1336		1566
…		…
1340		1570
1341	sub reset_at {	1571	sub reset_at {
1342	my ($self) = @_;	1572	my ($self) = @_;
1343		1573
1344	# TODO: safety, remove and allow resettable per-player maps	1574	# TODO: safety, remove and allow resettable per-player maps
1345	return 1e99 if $self->{path}{user_rel};	1575	return 1e99 if $self->isa ("ext::map_per_player");#d#
1346	return 1e99 if $self->{deny_reset};	1576	return 1e99 if $self->{deny_reset};
1347		1577
1348	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1578	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1349	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1579	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1350		1580
…		…
1355	my ($self) = @_;	1585	my ($self) = @_;
1356		1586
1357	$self->reset_at <= $cf::RUNTIME	1587	$self->reset_at <= $cf::RUNTIME
1358	}	1588	}
1359		1589
1360	sub unlink_save {
1361	my ($self) = @_;
1362
1363	utf8::encode (my $save = $self->{path}->save_path);
1364	aioreq_pri 3; IO::AIO::aio_unlink $save;
1365	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1366	}
1367
1368	sub rename {
1369	my ($self, $new_path) = @_;
1370
1371	$self->unlink_save;
1372
1373	delete $cf::MAP{$self->path};
1374	$self->{path} = new cf::path $new_path;
1375	$self->path ($self->{path}->as_string);
1376	$cf::MAP{$self->path} = $self;
1377
1378	$self->save;
1379	}
1380
1381	sub reset {	1590	sub reset {
1382	my ($self) = @_;	1591	my ($self) = @_;
1383		1592
		1593	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1594
1384	return if $self->players;	1595	return if $self->players;
1385	return if $self->{path}{user_rel};#d#	1596	return if $self->isa ("ext::map_per_player");#d#
1386		1597
1387	warn "resetting map ", $self->path;#d#	1598	warn "resetting map ", $self->path;#d#
1388		1599
		1600	$self->in_memory (cf::MAP_SWAPPED);
		1601
		1602	# need to save uniques path
		1603	unless ($self->{deny_save}) {
		1604	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1605
		1606	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1607	if $uniq;
		1608	}
		1609
1389	delete $cf::MAP{$self->path};	1610	delete $cf::MAP{$self->path};
		1611
		1612	$self->clear;
1390		1613
1391	$_->clear_links_to ($self) for values %cf::MAP;	1614	$_->clear_links_to ($self) for values %cf::MAP;
1392		1615
1393	$self->unlink_save;	1616	$self->unlink_save;
1394	$self->destroy;	1617	$self->destroy;
…		…
1397	my $nuke_counter = "aaaa";	1620	my $nuke_counter = "aaaa";
1398		1621
1399	sub nuke {	1622	sub nuke {
1400	my ($self) = @_;	1623	my ($self) = @_;
1401		1624
		1625	delete $cf::MAP{$self->path};
		1626
		1627	$self->unlink_save;
		1628
		1629	bless $self, "cf::map";
		1630	delete $self->{deny_reset};
1402	$self->{deny_save} = 1;	1631	$self->{deny_save} = 1;
1403	$self->reset_timeout (1);	1632	$self->reset_timeout (1);
1404	$self->rename ("{nuke}/" . ($nuke_counter++));	1633	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1634
		1635	$cf::MAP{$self->path} = $self;
		1636
1405	$self->reset; # polite request, might not happen	1637	$self->reset; # polite request, might not happen
1406	}	1638	}
1407		1639
1408	sub customise_for {	1640	=item cf::map::unique_maps
1409	my ($map, $ob) = @_;
1410		1641
1411	if ($map->per_player) {	1642	Returns an arrayref of paths of all shared maps that have
1412	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1643	instantiated unique items. May block.
1413	}
1414		1644
1415	$map	1645	=cut
1416	}
1417		1646
1418	sub emergency_save {	1647	sub unique_maps() {
1419	local $cf::FREEZE = 1;	1648	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1649	or return;
1420		1650
1421	warn "enter emergency map save\n";	1651	my @paths;
1422		1652
1423	cf::sync_job {	1653	for (@$files) {
1424	warn "begin emergency map save\n";	1654	utf8::decode $_;
1425	$_->save for values %cf::MAP;	1655	next if /\.pst$/;
		1656	next unless /^$PATH_SEP/o;
		1657
		1658	push @paths, cf::map::normalise $_;
1426	};	1659	}
1427		1660
1428	warn "end emergency map save\n";	1661	\@paths
1429	}	1662	}
1430		1663
1431	package cf;	1664	package cf;
1432		1665
1433	=back	1666	=back
1434		1667
		1668	=head3 cf::object
		1669
		1670	=cut
		1671
		1672	package cf::object;
		1673
		1674	=over 4
		1675
		1676	=item $ob->inv_recursive
		1677
		1678	Returns the inventory of the object _and_ their inventories, recursively.
		1679
		1680	=cut
		1681
		1682	sub inv_recursive_;
		1683	sub inv_recursive_ {
		1684	map { $_, inv_recursive_ $_->inv } @_
		1685	}
		1686
		1687	sub inv_recursive {
		1688	inv_recursive_ inv $_[0]
		1689	}
		1690
		1691	package cf;
		1692
		1693	=back
1435		1694
1436	=head3 cf::object::player	1695	=head3 cf::object::player
1437		1696
1438	=over 4	1697	=over 4
1439		1698
…		…
1479		1738
1480	=item $player_object->enter_link	1739	=item $player_object->enter_link
1481		1740
1482	Freezes the player and moves him/her to a special map (C<{link}>).	1741	Freezes the player and moves him/her to a special map (C<{link}>).
1483		1742
1484	The player should be reaosnably safe there for short amounts of time. You	1743	The player should be reasonably safe there for short amounts of time. You
1485	I<MUST> call C<leave_link> as soon as possible, though.	1744	I<MUST> call C<leave_link> as soon as possible, though.
1486		1745
		1746	Will never block.
		1747
1487	=item $player_object->leave_link ($map, $x, $y)	1748	=item $player_object->leave_link ($map, $x, $y)
1488		1749
1489	Moves the player out of the specila link map onto the given map. If the	1750	Moves the player out of the special C<{link}> map onto the specified
1490	map is not valid (or omitted), the player will be moved back to the	1751	map. If the map is not valid (or omitted), the player will be moved back
1491	location he/she was before the call to C<enter_link>, or, if that fails,	1752	to the location he/she was before the call to C<enter_link>, or, if that
1492	to the emergency map position.	1753	fails, to the emergency map position.
1493		1754
1494	Might block.	1755	Might block.
1495		1756
1496	=cut	1757	=cut
		1758
		1759	sub link_map {
		1760	unless ($LINK_MAP) {
		1761	$LINK_MAP = cf::map::find "{link}"
		1762	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1763	$LINK_MAP->load;
		1764	}
		1765
		1766	$LINK_MAP
		1767	}
1497		1768
1498	sub cf::object::player::enter_link {	1769	sub cf::object::player::enter_link {
1499	my ($self) = @_;	1770	my ($self) = @_;
1500		1771
1501	$self->deactivate_recursive;	1772	$self->deactivate_recursive;
1502		1773
1503	return if $self->map == $LINK_MAP;	1774	return if UNIVERSAL::isa $self->map, "ext::map_link";
1504		1775
1505	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1776	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1506	if $self->map;	1777	if $self->map;
1507		1778
1508	$self->enter_map ($LINK_MAP, 20, 20);	1779	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1509	}	1780	}
1510		1781
1511	sub cf::object::player::leave_link {	1782	sub cf::object::player::leave_link {
1512	my ($self, $map, $x, $y) = @_;	1783	my ($self, $map, $x, $y) = @_;
1513		1784
1514	my $link_pos = delete $self->{_link_pos};	1785	my $link_pos = delete $self->{_link_pos};
1515		1786
1516	unless ($map) {	1787	unless ($map) {
1517	# restore original map position	1788	# restore original map position
1518	($map, $x, $y) = @{ $link_pos || [] };	1789	($map, $x, $y) = @{ $link_pos || [] };
1519	$map = cf::map::find_map $map;	1790	$map = cf::map::find $map;
1520		1791
1521	unless ($map) {	1792	unless ($map) {
1522	($map, $x, $y) = @$EMERGENCY_POSITION;	1793	($map, $x, $y) = @$EMERGENCY_POSITION;
1523	$map = cf::map::find_map $map	1794	$map = cf::map::find $map
1524	or die "FATAL: cannot load emergency map\n";	1795	or die "FATAL: cannot load emergency map\n";
1525	}	1796	}
1526	}	1797	}
1527		1798
1528	($x, $y) = (-1, -1)	1799	($x, $y) = (-1, -1)
…		…
1531	# use -1 or undef as default coordinates, not 0, 0	1802	# use -1 or undef as default coordinates, not 0, 0
1532	($x, $y) = ($map->enter_x, $map->enter_y)	1803	($x, $y) = ($map->enter_x, $map->enter_y)
1533	if $x <=0 && $y <= 0;	1804	if $x <=0 && $y <= 0;
1534		1805
1535	$map->load;	1806	$map->load;
		1807	$map->load_diag;
1536		1808
		1809	return unless $self->contr->active;
1537	$self->activate_recursive;	1810	$self->activate_recursive;
		1811
		1812	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1538	$self->enter_map ($map, $x, $y);	1813	$self->enter_map ($map, $x, $y);
1539	}	1814	}
1540		1815
1541	cf::player->attach (	1816	cf::player->attach (
1542	on_logout => sub {	1817	on_logout => sub {
…		…
1554		1829
1555	# try to abort aborted map switching on player login :)	1830	# try to abort aborted map switching on player login :)
1556	# should happen only on crashes	1831	# should happen only on crashes
1557	if ($pl->ob->{_link_pos}) {	1832	if ($pl->ob->{_link_pos}) {
1558	$pl->ob->enter_link;	1833	$pl->ob->enter_link;
1559	cf::async {	1834	(async {
		1835	$pl->ob->reply (undef,
		1836	"There was an internal problem at your last logout, "
		1837	. "the server will try to bring you to your intended destination in a second.",
		1838	cf::NDI_RED);
1560	# we need this sleep as the login has a concurrent enter_exit running	1839	# we need this sleep as the login has a concurrent enter_exit running
1561	# and this sleep increases chances of the player not ending up in scorn	1840	# and this sleep increases chances of the player not ending up in scorn
1562	Coro::Timer::sleep 1;	1841	Coro::Timer::sleep 1;
1563	$pl->ob->leave_link;	1842	$pl->ob->leave_link;
1564	};	1843	})->prio (2);
1565	}	1844	}
1566	},	1845	},
1567	);	1846	);
1568		1847
1569	=item $player_object->goto_map ($path, $x, $y)	1848	=item $player_object->goto ($path, $x, $y)
1570		1849
1571	=cut	1850	=cut
1572		1851
1573	sub cf::object::player::goto_map {	1852	sub cf::object::player::goto {
1574	my ($self, $path, $x, $y) = @_;	1853	my ($self, $path, $x, $y) = @_;
1575		1854
1576	$self->enter_link;	1855	$self->enter_link;
1577		1856
1578	(cf::async {	1857	(async {
1579	$path = new cf::path $path;	1858	my $map = eval {
1580
1581	my $map = cf::map::find_map $path->as_string;	1859	my $map = cf::map::find $path;
1582	$map = $map->customise_for ($self) if $map;	1860	$map = $map->customise_for ($self) if $map;
1583		1861	$map
1584	# warn "entering ", $map->path, " at ($x, $y)\n"	1862	} or
1585	# if $map;
1586
1587	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1588		1864
1589	$self->leave_link ($map, $x, $y);	1865	$self->leave_link ($map, $x, $y);
1590	})->prio (1);	1866	})->prio (1);
1591	}	1867	}
1592		1868
…		…
1596		1872
1597	sub parse_random_map_params {	1873	sub parse_random_map_params {
1598	my ($spec) = @_;	1874	my ($spec) = @_;
1599		1875
1600	my $rmp = { # defaults	1876	my $rmp = { # defaults
1601	xsize => 10,	1877	xsize => (cf::rndm 15, 40),
1602	ysize => 10,	1878	ysize => (cf::rndm 15, 40),
		1879	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1880	#layout => string,
1603	};	1881	};
1604		1882
1605	for (split /\n/, $spec) {	1883	for (split /\n/, $spec) {
1606	my ($k, $v) = split /\s+/, $_, 2;	1884	my ($k, $v) = split /\s+/, $_, 2;
1607		1885
…		…
1611	$rmp	1889	$rmp
1612	}	1890	}
1613		1891
1614	sub prepare_random_map {	1892	sub prepare_random_map {
1615	my ($exit) = @_;	1893	my ($exit) = @_;
		1894
		1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1616		1896
1617	# all this does is basically replace the /! path by	1897	# all this does is basically replace the /! path by
1618	# a new random map path (?random/...) with a seed	1898	# a new random map path (?random/...) with a seed
1619	# that depends on the exit object	1899	# that depends on the exit object
1620		1900
1621	my $rmp = parse_random_map_params $exit->msg;	1901	my $rmp = parse_random_map_params $exit->msg;
1622		1902
1623	if ($exit->map) {	1903	if ($exit->map) {
1624	$rmp->{region} = $exit->map->region_name;	1904	$rmp->{region} = $exit->region->name;
1625	$rmp->{origin_map} = $exit->map->path;	1905	$rmp->{origin_map} = $exit->map->path;
1626	$rmp->{origin_x} = $exit->x;	1906	$rmp->{origin_x} = $exit->x;
1627	$rmp->{origin_y} = $exit->y;	1907	$rmp->{origin_y} = $exit->y;
1628	}	1908	}
1629		1909
1630	$rmp->{random_seed} ||= $exit->random_seed;	1910	$rmp->{random_seed} ||= $exit->random_seed;
1631		1911
1632	my $data = cf::to_json $rmp;	1912	my $data = cf::to_json $rmp;
1633	my $md5 = Digest::MD5::md5_hex $data;	1913	my $md5 = Digest::MD5::md5_hex $data;
		1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1634		1915
1635	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1636	aio_write $fh, 0, (length $data), $data, 0;	1917	aio_write $fh, 0, (length $data), $data, 0;
		1918	undef $fh;
		1919	aio_rename "$meta~", $meta;
1637		1920
1638	$exit->slaying ("?random/$md5");	1921	$exit->slaying ("?random/$md5");
1639	$exit->msg (undef);	1922	$exit->msg (undef);
1640	}	1923	}
1641	}	1924	}
…		…
1643	sub cf::object::player::enter_exit {	1926	sub cf::object::player::enter_exit {
1644	my ($self, $exit) = @_;	1927	my ($self, $exit) = @_;
1645		1928
1646	return unless $self->type == cf::PLAYER;	1929	return unless $self->type == cf::PLAYER;
1647		1930
		1931	if ($exit->slaying eq "/!") {
		1932	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1933	cf::sync_job { prepare_random_map $exit };
		1934	}
		1935
		1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1937	my $hp = $exit->stats->hp;
		1938	my $sp = $exit->stats->sp;
		1939
1648	$self->enter_link;	1940	$self->enter_link;
1649		1941
1650	(cf::async {	1942	(async {
		1943	$self->deactivate_recursive; # just to be sure
1651	unless (eval {	1944	unless (eval {
1652	prepare_random_map $exit	1945	$self->goto ($slaying, $hp, $sp);
1653	if $exit->slaying eq "/!";
1654
1655	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1656	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1657		1946
1658	1;	1947	1;
1659	}) {	1948	}) {
1660	$self->message ("Something went wrong deep within the crossfire server. "	1949	$self->message ("Something went wrong deep within the crossfire server. "
1661	. "I'll try to bring you back to the map you were before. "	1950	. "I'll try to bring you back to the map you were before. "
1662	. "Please report this to the dungeon master",	1951	. "Please report this to the dungeon master!",
1663	cf::NDI_UNIQUE | cf::NDI_RED);	1952	cf::NDI_UNIQUE | cf::NDI_RED);
1664		1953
1665	warn "ERROR in enter_exit: $@";	1954	warn "ERROR in enter_exit: $@";
1666	$self->leave_link;	1955	$self->leave_link;
1667	}	1956	}
…		…
1722	# get handled first	2011	# get handled first
1723	my $queue = delete $ns->{query_queue}	2012	my $queue = delete $ns->{query_queue}
1724	or return; # be conservative, not sure how that can happen, but we saw a crash here	2013	or return; # be conservative, not sure how that can happen, but we saw a crash here
1725		2014
1726	(shift @$queue)->[1]->($msg);	2015	(shift @$queue)->[1]->($msg);
		2016	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1727		2017
1728	push @{ $ns->{query_queue} }, @$queue;	2018	push @{ $ns->{query_queue} }, @$queue;
1729		2019
1730	if (@{ $ns->{query_queue} } == @$queue) {	2020	if (@{ $ns->{query_queue} } == @$queue) {
1731	if (@$queue) {	2021	if (@$queue) {
…		…
1735	}	2025	}
1736	}	2026	}
1737	},	2027	},
1738	);	2028	);
1739		2029
1740	=item $client->coro (\&cb)	2030	=item $client->async (\&cb)
1741		2031
1742	Create a new coroutine, running the specified callback. The coroutine will	2032	Create a new coroutine, running the specified callback. The coroutine will
1743	be automatically cancelled when the client gets destroyed (e.g. on logout,	2033	be automatically cancelled when the client gets destroyed (e.g. on logout,
1744	or loss of connection).	2034	or loss of connection).
1745		2035
1746	=cut	2036	=cut
1747		2037
1748	sub cf::client::coro {	2038	sub cf::client::async {
1749	my ($self, $cb) = @_;	2039	my ($self, $cb) = @_;
1750		2040
1751	my $coro = &cf::async ($cb);	2041	my $coro = &Coro::async ($cb);
1752		2042
1753	$coro->on_destroy (sub {	2043	$coro->on_destroy (sub {
1754	delete $self->{_coro}{$coro+0};	2044	delete $self->{_coro}{$coro+0};
1755	});	2045	});
1756		2046
…		…
1892	The parameter C<$family> should best start with the name of the extension	2182	The parameter C<$family> should best start with the name of the extension
1893	using it, it should be unique.	2183	using it, it should be unique.
1894		2184
1895	=over 4	2185	=over 4
1896		2186
1897	=item $hashref = cf::db_get $family
1898
1899	Return a hashref for use by the extension C<$family>, which can be
1900	modified. After modifications, you have to call C<cf::db_dirty> or
1901	C<cf::db_sync>.
1902
1903	=item $value = cf::db_get $family => $key	2187	=item $value = cf::db_get $family => $key
1904		2188
1905	Returns a single value from the database	2189	Returns a single value from the database.
1906
1907	=item cf::db_put $family => $hashref
1908
1909	Stores the given family hashref into the database. Updates are delayed, if
1910	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1911		2190
1912	=item cf::db_put $family => $key => $value	2191	=item cf::db_put $family => $key => $value
1913		2192
1914	Stores the given C<$value> in the family hash. Updates are delayed, if you	2193	Stores the given C<$value> in the family.
1915	want the data to be synced to disk immediately, use C<cf::db_sync>.
1916
1917	=item cf::db_dirty
1918
1919	Marks the database as dirty, to be updated at a later time.
1920
1921	=item cf::db_sync
1922
1923	Immediately write the database to disk I<if it is dirty>.
1924		2194
1925	=cut	2195	=cut
1926		2196
1927	our $DB;	2197	our $DB;
1928		2198
1929	{	2199	sub db_init {
		2200	unless ($DB) {
		2201	$DB = BDB::db_create $DB_ENV;
		2202
		2203	cf::sync_job {
		2204	eval {
		2205	$DB->set_flags (BDB::CHKSUM);
		2206
		2207	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2208	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2209	cf::cleanup "db_open(db): $!" if $!;
		2210	};
		2211	cf::cleanup "db_open(db): $@" if $@;
		2212	};
		2213
1930	my $path = cf::localdir . "/database.pst";	2214	my $path = cf::localdir . "/database.pst";
		2215	if (stat $path) {
		2216	cf::sync_job {
		2217	my $pst = Storable::retrieve $path;
1931		2218
1932	sub db_load() {	2219	cf::db_put (board => data => $pst->{board});
1933	$DB = stat $path ? Storable::retrieve $path : { };	2220	cf::db_put (guildrules => data => $pst->{guildrules});
1934	}	2221	cf::db_put (rent => balance => $pst->{rent}{balance});
		2222	BDB::db_env_txn_checkpoint $DB_ENV;
1935		2223
1936	my $pid;	2224	unlink $path;
1937
1938	sub db_save() {
1939	waitpid $pid, 0 if $pid;
1940	if (0 == ($pid = fork)) {
1941	$DB->{_meta}{version} = 1;
1942	Storable::nstore $DB, "$path~";
1943	rename "$path~", $path;
1944	cf::_exit 0 if defined $pid;
1945	}	2225	};
1946	}
1947
1948	my $dirty;
1949
1950	sub db_sync() {
1951	db_save if $dirty;
1952	undef $dirty;
1953	}
1954
1955	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1956	db_sync;
1957	});
1958
1959	sub db_dirty() {
1960	$dirty = 1;
1961	$idle->start;
1962	}
1963
1964	sub db_get($;$) {
1965	@_ >= 2
1966	? $DB->{$_[0]}{$_[1]}
1967	: ($DB->{$_[0]} ||= { })
1968	}
1969
1970	sub db_put($$;$) {
1971	if (@_ >= 3) {
1972	$DB->{$_[0]}{$_[1]} = $_[2];
1973	} else {
1974	$DB->{$_[0]} = $_[1];
1975	}
1976	db_dirty;
1977	}
1978
1979	cf::global->attach (
1980	prio => 10000,
1981	on_cleanup => sub {
1982	db_sync;
1983	},	2226	}
1984	);	2227	}
		2228	}
		2229
		2230	sub db_get($$) {
		2231	my $key = "$_[0]/$_[1]";
		2232
		2233	cf::sync_job {
		2234	BDB::db_get $DB, undef, $key, my $data;
		2235
		2236	$! ? ()
		2237	: Compress::LZF::sthaw $data
		2238	}
		2239	}
		2240
		2241	sub db_put($$$) {
		2242	BDB::dbreq_pri 4;
		2243	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1985	}	2244	}
1986		2245
1987	#############################################################################	2246	#############################################################################
1988	# the server's main()	2247	# the server's init and main functions
		2248
		2249	sub init_resources {
		2250	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2251	or die "unable to load regions file\n";#d#
		2252	}
1989		2253
1990	sub cfg_load {	2254	sub cfg_load {
1991	open my $fh, "<:utf8", cf::confdir . "/config"	2255	open my $fh, "<:utf8", cf::confdir . "/config"
1992	or return;	2256	or return;
1993		2257
1994	local $/;	2258	local $/;
1995	*CFG = YAML::Syck::Load <$fh>;	2259	*CFG = YAML::Syck::Load <$fh>;
1996		2260
1997	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2261	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1998		2262
		2263	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2264	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2265
1999	if (exists $CFG{mlockall}) {	2266	if (exists $CFG{mlockall}) {
2000	eval {	2267	eval {
2001	$CFG{mlockall} ? &mlockall : &munlockall	2268	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2002	and die "WARNING: m(un)lockall failed: $!\n";	2269	and die "WARNING: m(un)lockall failed: $!\n";
2003	};	2270	};
2004	warn $@ if $@;	2271	warn $@ if $@;
2005	}	2272	}
		2273	}
		2274
		2275	sub init {
		2276	init_resources;
2006	}	2277	}
2007		2278
2008	sub main {	2279	sub main {
2009	# we must not ever block the main coroutine	2280	# we must not ever block the main coroutine
2010	local $Coro::idle = sub {	2281	local $Coro::idle = sub {
2011	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2282	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2012	(Coro::unblock_sub {	2283	(async {
2013	Event::one_event;	2284	Event::one_event;
2014	})->();	2285	})->prio (Coro::PRIO_MAX);
2015	};	2286	};
2016		2287
2017	cfg_load;	2288	cfg_load;
2018	db_load;	2289	db_init;
2019	load_extensions;	2290	load_extensions;
		2291
		2292	$TICK_WATCHER->start;
2020	Event::loop;	2293	Event::loop;
2021	}	2294	}
2022		2295
2023	#############################################################################	2296	#############################################################################
2024	# 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 $DB_ENV;
		2341	warn "end emergency database checkpoint\n";
		2342	};
		2343
		2344	warn "leave emergency perl save\n";
		2345	}
		2346
		2347	sub post_cleanup {
		2348	my ($make_core) = @_;
		2349
		2350	warn Carp::longmess "post_cleanup backtrace"
		2351	if $make_core;
		2352	}
2025		2353
2026	sub reload() {	2354	sub reload() {
2027	# can/must only be called in main	2355	# can/must only be called in main
2028	if ($Coro::current != $Coro::main) {	2356	if ($Coro::current != $Coro::main) {
2029	warn "can only reload from main coroutine\n";	2357	warn "can only reload from main coroutine";
2030	return;	2358	return;
2031	}	2359	}
2032		2360
2033	warn "reloading...";	2361	warn "reloading...";
2034		2362
2035	local $FREEZE = 1;	2363	warn "entering sync_job";
		2364
		2365	cf::sync_job {
		2366	cf::write_runtime; # external watchdog should not bark
2036	cf::emergency_save;	2367	cf::emergency_save;
		2368	cf::write_runtime; # external watchdog should not bark
2037		2369
2038	eval {	2370	warn "syncing database to disk";
		2371	BDB::db_env_txn_checkpoint $DB_ENV;
		2372
2039	# if anything goes wrong in here, we should simply crash as we already saved	2373	# if anything goes wrong in here, we should simply crash as we already saved
2040		2374
2041	# cancel all watchers	2375	warn "cancelling all WF_AUTOCANCEL watchers";
2042	for (Event::all_watchers) {	2376	for (Event::all_watchers) {
2043	$_->cancel if $_->data & WF_AUTOCANCEL;	2377	$_->cancel if $_->data & WF_AUTOCANCEL;
2044	}	2378	}
2045		2379
		2380	warn "flushing outstanding aio requests";
		2381	for (;;) {
		2382	BDB::flush;
		2383	IO::AIO::flush;
		2384	Coro::cede;
		2385	last unless IO::AIO::nreqs || BDB::nreqs;
		2386	warn "iterate...";
		2387	}
		2388
2046	# cancel all extension coros	2389	warn "cancelling all extension coros";
2047	$_->cancel for values %EXT_CORO;	2390	$_->cancel for values %EXT_CORO;
2048	%EXT_CORO = ();	2391	%EXT_CORO = ();
2049		2392
2050	# unload all extensions	2393	warn "removing commands";
2051	for (@exts) {	2394	%COMMAND = ();
		2395
		2396	warn "removing ext commands";
		2397	%EXTCMD = ();
		2398
		2399	warn "unloading/nuking all extensions";
		2400	for my $pkg (@EXTS) {
2052	warn "unloading <$_>";	2401	warn "... unloading $pkg";
2053	unload_extension $_;	2402
		2403	if (my $cb = $pkg->can ("unload")) {
		2404	eval {
		2405	$cb->($pkg);
		2406	1
		2407	} or warn "$pkg unloaded, but with errors: $@";
2054	}	2408	}
2055		2409
		2410	warn "... nuking $pkg";
		2411	Symbol::delete_package $pkg;
		2412	}
		2413
2056	# unload all modules loaded from $LIBDIR	2414	warn "unloading all perl modules loaded from $LIBDIR";
2057	while (my ($k, $v) = each %INC) {	2415	while (my ($k, $v) = each %INC) {
2058	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2416	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2059		2417
2060	warn "removing <$k>";	2418	warn "... unloading $k";
2061	delete $INC{$k};	2419	delete $INC{$k};
2062		2420
2063	$k =~ s/\.pm$//;	2421	$k =~ s/\.pm$//;
2064	$k =~ s/\//::/g;	2422	$k =~ s/\//::/g;
2065		2423
…		…
2068	}	2426	}
2069		2427
2070	Symbol::delete_package $k;	2428	Symbol::delete_package $k;
2071	}	2429	}
2072		2430
2073	# sync database to disk
2074	cf::db_sync;
2075	IO::AIO::flush;
2076
2077	# get rid of safe::, as good as possible	2431	warn "getting rid of safe::, as good as possible";
2078	Symbol::delete_package "safe::$_"	2432	Symbol::delete_package "safe::$_"
2079	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2433	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2080		2434
2081	# remove register_script_function callbacks
2082	# TODO
2083
2084	# unload cf.pm "a bit"	2435	warn "unloading cf.pm \"a bit\"";
2085	delete $INC{"cf.pm"};	2436	delete $INC{"cf.pm"};
2086		2437
2087	# don't, removes xs symbols, too,	2438	# don't, removes xs symbols, too,
2088	# and global variables created in xs	2439	# and global variables created in xs
2089	#Symbol::delete_package __PACKAGE__;	2440	#Symbol::delete_package __PACKAGE__;
2090		2441
2091	# reload cf.pm	2442	warn "unload completed, starting to reload now";
		2443
2092	warn "reloading cf.pm";	2444	warn "reloading cf.pm";
2093	require cf;	2445	require cf;
2094	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2446	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2095		2447
2096	# load config and database again	2448	warn "loading config and database again";
2097	cf::cfg_load;	2449	cf::cfg_load;
2098	cf::db_load;
2099		2450
2100	# load extensions
2101	warn "load extensions";	2451	warn "loading extensions";
2102	cf::load_extensions;	2452	cf::load_extensions;
2103		2453
2104	# reattach attachments to objects	2454	warn "reattaching attachments to objects/players";
2105	warn "reattach";
2106	_global_reattach;	2455	_global_reattach;
2107	};	2456	warn "reattaching attachments to maps";
		2457	reattach $_ for values %MAP;
2108		2458
2109	if ($@) {	2459	warn "loading reloadable resources";
		2460	init_resources;
		2461
		2462	warn "leaving sync_job";
		2463
		2464	1
		2465	} or do {
2110	warn $@;	2466	warn $@;
2111	warn "error while reloading, exiting.";	2467	warn "error while reloading, exiting.";
2112	exit 1;	2468	exit 1;
2113	}	2469	};
2114		2470
2115	warn "reloaded successfully";	2471	warn "reloaded";
2116	};	2472	};
2117		2473
2118	#############################################################################	2474	our $RELOAD_WATCHER; # used only during reload
2119
2120	unless ($LINK_MAP) {
2121	$LINK_MAP = cf::map::new;
2122
2123	$LINK_MAP->width (41);
2124	$LINK_MAP->height (41);
2125	$LINK_MAP->alloc;
2126	$LINK_MAP->path ("{link}");
2127	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2128	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2129
2130	# dirty hack because... archetypes are not yet loaded
2131	Event->timer (
2132	after => 2,
2133	cb => sub {
2134	$_[0]->w->cancel;
2135
2136	# provide some exits "home"
2137	my $exit = cf::object::new "exit";
2138
2139	$exit->slaying ($EMERGENCY_POSITION->[0]);
2140	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2141	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2142
2143	$LINK_MAP->insert ($exit->clone, 19, 19);
2144	$LINK_MAP->insert ($exit->clone, 19, 20);
2145	$LINK_MAP->insert ($exit->clone, 19, 21);
2146	$LINK_MAP->insert ($exit->clone, 20, 19);
2147	$LINK_MAP->insert ($exit->clone, 20, 21);
2148	$LINK_MAP->insert ($exit->clone, 21, 19);
2149	$LINK_MAP->insert ($exit->clone, 21, 20);
2150	$LINK_MAP->insert ($exit->clone, 21, 21);
2151
2152	$exit->destroy;
2153	});
2154
2155	$LINK_MAP->{deny_save} = 1;
2156	$LINK_MAP->{deny_reset} = 1;
2157
2158	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2159	}
2160
2161	register "<global>", __PACKAGE__;
2162		2475
2163	register_command "reload" => sub {	2476	register_command "reload" => sub {
2164	my ($who, $arg) = @_;	2477	my ($who, $arg) = @_;
2165		2478
2166	if ($who->flag (FLAG_WIZ)) {	2479	if ($who->flag (FLAG_WIZ)) {
2167	$who->message ("start of reload.");	2480	$who->message ("reloading server.");
		2481
		2482	# doing reload synchronously and two reloads happen back-to-back,
		2483	# coro crashes during coro_state_free->destroy here.
		2484
		2485	$RELOAD_WATCHER ||= Event->timer (
		2486	reentrant => 0,
		2487	after => 0,
		2488	data => WF_AUTOCANCEL,
		2489	cb => sub {
2168	reload;	2490	reload;
2169	$who->message ("end of reload.");	2491	undef $RELOAD_WATCHER;
		2492	},
		2493	);
2170	}	2494	}
2171	};	2495	};
2172		2496
2173	unshift @INC, $LIBDIR;	2497	unshift @INC, $LIBDIR;
		2498
		2499	my $bug_warning = 0;
2174		2500
2175	$TICK_WATCHER = Event->timer (	2501	$TICK_WATCHER = Event->timer (
2176	reentrant => 0,	2502	reentrant => 0,
		2503	parked => 1,
2177	prio => 0,	2504	prio => 0,
2178	at => $NEXT_TICK || $TICK,	2505	at => $NEXT_TICK || $TICK,
2179	data => WF_AUTOCANCEL,	2506	data => WF_AUTOCANCEL,
2180	cb => sub {	2507	cb => sub {
2181	unless ($FREEZE) {	2508	if ($Coro::current != $Coro::main) {
		2509	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2510	unless ++$bug_warning > 10;
		2511	return;
		2512	}
		2513
		2514	$NOW = Event::time;
		2515
2182	cf::server_tick; # one server iteration	2516	cf::server_tick; # one server iteration
2183	$RUNTIME += $TICK;	2517	$RUNTIME += $TICK;
2184	}
2185
2186	$NEXT_TICK += $TICK;	2518	$NEXT_TICK += $TICK;
		2519
		2520	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2521	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2522	Coro::async_pool {
		2523	write_runtime
		2524	or warn "ERROR: unable to write runtime file: $!";
		2525	};
		2526	}
		2527
		2528	$WAIT_FOR_TICK->broadcast;
		2529	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2530
		2531	# my $AFTER = Event::time;
		2532	# warn $AFTER - $NOW;#d#
2187		2533
2188	# if we are delayed by four ticks or more, skip them all	2534	# if we are delayed by four ticks or more, skip them all
2189	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2535	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2190		2536
2191	$TICK_WATCHER->at ($NEXT_TICK);	2537	$TICK_WATCHER->at ($NEXT_TICK);
2192	$TICK_WATCHER->start;	2538	$TICK_WATCHER->start;
2193	},	2539	},
2194	);	2540	);
2195		2541
		2542	{
2196	IO::AIO::max_poll_time $TICK * 0.2;	2543	BDB::max_poll_time $TICK * 0.1;
2197		2544	$BDB_POLL_WATCHER = Event->io (
2198	Event->io (	2545	reentrant => 0,
2199	fd => IO::AIO::poll_fileno,	2546	fd => BDB::poll_fileno,
2200	poll => 'r',	2547	poll => 'r',
2201	prio => 5,	2548	prio => 0,
2202	data => WF_AUTOCANCEL,
2203	cb => \&IO::AIO::poll_cb,
2204	);
2205
2206	Event->timer (
2207	data => WF_AUTOCANCEL,	2549	data => WF_AUTOCANCEL,
2208	after => 0,	2550	cb => \&BDB::poll_cb,
2209	interval => 10,	2551	);
2210	cb => sub {	2552	BDB::min_parallel 8;
2211	(Coro::unblock_sub {	2553
2212	write_runtime	2554	BDB::set_sync_prepare {
2213	or warn "ERROR: unable to write runtime file: $!";	2555	my $status;
		2556	my $current = $Coro::current;
		2557	(
		2558	sub {
		2559	$status = $!;
		2560	$current->ready; undef $current;
		2561	},
		2562	sub {
		2563	Coro::schedule while defined $current;
		2564	$! = $status;
		2565	},
		2566	)
		2567	};
		2568
		2569	unless ($DB_ENV) {
		2570	$DB_ENV = BDB::db_env_create;
		2571
		2572	cf::sync_job {
		2573	eval {
		2574	BDB::db_env_open
		2575	$DB_ENV,
		2576	$BDB_ENV_DIR,
		2577	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2578	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2579	0666;
		2580
		2581	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2582
		2583	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2584	$DB_ENV->set_lk_detect;
		2585	};
		2586
		2587	cf::cleanup "db_env_open(db): $@" if $@;
2214	})->();	2588	};
2215	},	2589	}
2216	);	2590	}
		2591
		2592	{
		2593	IO::AIO::min_parallel 8;
		2594
		2595	undef $Coro::AIO::WATCHER;
		2596	IO::AIO::max_poll_time $TICK * 0.1;
		2597	$AIO_POLL_WATCHER = Event->io (
		2598	reentrant => 0,
		2599	data => WF_AUTOCANCEL,
		2600	fd => IO::AIO::poll_fileno,
		2601	poll => 'r',
		2602	prio => 6,
		2603	cb => \&IO::AIO::poll_cb,
		2604	);
		2605	}
2217		2606
2218	END { cf::emergency_save }	2607	END { cf::emergency_save }
2219		2608
2220	1	2609	1
2221		2610

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