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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.128 by root, Wed Jan 3 00:28:47 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	96	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		97
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	98	sub cf::map::normalise;
78		99
79	#############################################################################	100	#############################################################################
80		101
81	=head2 GLOBAL VARIABLES	102	=head2 GLOBAL VARIABLES
82		103
…		…
106		127
107	=item %cf::CFG	128	=item %cf::CFG
108		129
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	130	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	131	from wherever your confdir points to.
		132
		133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		134
		135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		137	processing has been done. Call C<< ->wait >> on them to maximise the
		138	window of cpu time available, or simply to synchronise to the server tick.
111		139
112	=back	140	=back
113		141
114	=cut	142	=cut
115		143
…		…
119	utf8::encode $msg;	147	utf8::encode $msg;
120		148
121	$msg .= "\n"	149	$msg .= "\n"
122	unless $msg =~ /\n$/;	150	unless $msg =~ /\n$/;
123		151
124	LOG llevError, "cfperl: $msg";	152	LOG llevError, $msg;
125	};	153	};
126	}	154	}
127		155
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		175
148	$Event::DIED = sub {	176	$Event::DIED = sub {
149	warn "error in event callback: @_";	177	warn "error in event callback: @_";
150	};	178	};
151		179
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	180	=head2 UTILITY FUNCTIONS
157		181
158	=over 4	182	=over 4
159		183
		184	=item dumpval $ref
		185
160	=cut	186	=cut
		187
		188	sub dumpval {
		189	eval {
		190	local $SIG{__DIE__};
		191	my $d;
		192	if (1) {
		193	$d = new Data::Dumper([$_[0]], ["*var"]);
		194	$d->Terse(1);
		195	$d->Indent(2);
		196	$d->Quotekeys(0);
		197	$d->Useqq(1);
		198	#$d->Bless(...);
		199	$d->Seen($_[1]) if @_ > 1;
		200	$d = $d->Dump();
		201	}
		202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		203	$d
		204	} || "[unable to dump $_[0]: '$@']";
		205	}
161		206
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	207	use JSON::Syck (); # TODO# replace by JSON::PC once working
163		208
164	=item $ref = cf::from_json $json	209	=item $ref = cf::from_json $json
165		210
…		…
181	sub to_json($) {	226	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	228	JSON::Syck::Dump $_[0]
184	}	229	}
185		230
186	=item my $guard = cf::guard { BLOCK }
187
188	Run the given callback when the guard object gets destroyed (useful for
189	coroutine cancellations).
190
191	You can call C<< ->cancel >> on the guard object to stop the block from
192	being executed.
193
194	=cut
195
196	sub guard(&) {
197	bless \(my $cb = $_[0]), cf::guard::;
198	}
199
200	sub cf::guard::cancel {
201	${$_[0]} = sub { };
202	}
203
204	sub cf::guard::DESTROY {
205	${$_[0]}->();
206	}
207
208	=item cf::lock_wait $string	231	=item cf::lock_wait $string
209		232
210	Wait until the given lock is available. See cf::lock_acquire.	233	Wait until the given lock is available. See cf::lock_acquire.
211		234
212	=item my $lock = cf::lock_acquire $string	235	=item my $lock = cf::lock_acquire $string
213		236
214	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
215	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,
216	for example when the coroutine gets canceled), the lock is automatically	239	for example when the coroutine gets canceled), the lock is automatically
217	returned.	240	returned.
218		241
219	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
220	uses map_find and load_map uses map_load).	243	uses map_find and cf::map::load uses map_load).
221		244
222	=cut	245	=cut
223		246
224	our %LOCK;	247	our %LOCK;
225		248
…		…
239	# wait, to be sure we are not locked	262	# wait, to be sure we are not locked
240	lock_wait $key;	263	lock_wait $key;
241		264
242	$LOCK{$key} = [];	265	$LOCK{$key} = [];
243		266
244	cf::guard {	267	Coro::guard {
245	# wake up all waiters, to be on the safe side	268	# wake up all waiters, to be on the safe side
246	$_->ready for @{ delete $LOCK{$key} };	269	$_->ready for @{ delete $LOCK{$key} };
247	}	270	}
248	}	271	}
249		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	$guard
		281	}
		282
250	=item cf::async { BLOCK }	283	=item cf::async { BLOCK }
251		284
252	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	285	Currently the same as Coro::async_pool, meaning you cannot use
253	error instead of exiting the server in case of a problem.	286	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		287	thing you are allowed to do is call C<prio> on it.
254		288
255	=cut	289	=cut
256		290
257	sub async(&) {	291	BEGIN { *async = \&Coro::async_pool }
258	my ($cb) = @_;
259
260	Coro::async {
261	eval { $cb->() };
262	warn $@ if $@;
263	}
264	}
265		292
266	=item cf::sync_job { BLOCK }	293	=item cf::sync_job { BLOCK }
267		294
268	The design of crossfire+ requires that the main coro ($Coro::main) is	295	The design of crossfire+ requires that the main coro ($Coro::main) is
269	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
…		…
283	# this is the main coro, too bad, we have to block	310	# this is the main coro, too bad, we have to block
284	# till the operation succeeds, freezing the server :/	311	# till the operation succeeds, freezing the server :/
285		312
286	# TODO: use suspend/resume instead	313	# TODO: use suspend/resume instead
287	# (but this is cancel-safe)	314	# (but this is cancel-safe)
288	local $FREEZE = 1;	315	my $freeze_guard = freeze_mainloop;
289		316
290	my $busy = 1;	317	my $busy = 1;
291	my @res;	318	my @res;
292		319
293	(Coro::async {	320	(async {
294	@res = eval { $job->() };	321	@res = eval { $job->() };
295	warn $@ if $@;	322	warn $@ if $@;
296	undef $busy;	323	undef $busy;
297	})->prio (Coro::PRIO_MAX);	324	})->prio (Coro::PRIO_MAX);
298		325
299	while ($busy) {	326	while ($busy) {
300	Coro::cede_notself;	327	Coro::cede or Event::one_event;
301	Event::one_event unless Coro::nready;
302	}	328	}
303		329
304	wantarray ? @res : $res[0]	330	wantarray ? @res : $res[0]
305	} else {	331	} else {
306	# we are in another coroutine, how wonderful, everything just works	332	# we are in another coroutine, how wonderful, everything just works
307		333
308	$job->()	334	$job->()
309	}	335	}
310	}	336	}
311		337
312	=item $coro = cf::coro { BLOCK }	338	=item $coro = cf::async_ext { BLOCK }
313		339
314	Creates and returns a new coro. This coro is automcatially being canceled	340	Like async, but this coro is automatically being canceled when the
315	when the extension calling this is being unloaded.	341	extension calling this is being unloaded.
316		342
317	=cut	343	=cut
318		344
319	sub coro(&) {	345	sub async_ext(&) {
320	my $cb = shift;	346	my $cb = shift;
321		347
322	my $coro = &cf::async ($cb);	348	my $coro = &Coro::async ($cb);
323		349
324	$coro->on_destroy (sub {	350	$coro->on_destroy (sub {
325	delete $EXT_CORO{$coro+0};	351	delete $EXT_CORO{$coro+0};
326	});	352	});
327	$EXT_CORO{$coro+0} = $coro;	353	$EXT_CORO{$coro+0} = $coro;
328		354
329	$coro	355	$coro
330	}	356	}
331		357
332	sub write_runtime {	358	sub write_runtime {
		359	my $guard = cf::lock_acquire "write_runtime";
		360
333	my $runtime = cf::localdir . "/runtime";	361	my $runtime = cf::localdir . "/runtime";
334		362
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
336	or return;	364	or return;
337		365
		366	my $value = $cf::RUNTIME + 90 + 10;
338	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
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0	370	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;	371	and return;
341		372
		373	# always fsync - this file is important
342	aio_fsync $fh	374	aio_fsync $fh
343	and return;	375	and return;
344		376
345	close $fh	377	close $fh
346	or return;	378	or return;
…		…
352	}	384	}
353		385
354	=back	386	=back
355		387
356	=cut	388	=cut
357
358	#############################################################################
359
360	package cf::path;
361
362	sub new {
363	my ($class, $path, $base) = @_;
364
365	$path = $path->as_string if ref $path;
366
367	my $self = bless { }, $class;
368
369	# {... are special paths that are not touched
370	# ?xxx/... are special absolute paths
371	# ?random/... random maps
372	# /! non-realised random map exit
373	# /... normal maps
374	# ~/... per-player maps without a specific player (DO NOT USE)
375	# ~user/... per-player map of a specific user
376
377	if ($path =~ /^{/) {
378	# fine as it is
379	} elsif ($path =~ s{^\?random/}{}) {
380	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
381	$self->{random} = cf::from_json $data;
382	} else {
383	if ($path =~ s{^~([^/]+)?}{}) {
384	$self->{user_rel} = 1;
385
386	if (defined $1) {
387	$self->{user} = $1;
388	} elsif ($base =~ m{^~([^/]+)/}) {
389	$self->{user} = $1;
390	} else {
391	warn "cannot resolve user-relative path without user <$path,$base>\n";
392	}
393	} elsif ($path =~ /^\//) {
394	# already absolute
395	} else {
396	$base =~ s{[^/]+/?$}{};
397	return $class->new ("$base/$path");
398	}
399
400	for ($path) {
401	redo if s{/\.?/}{/};
402	redo if s{/[^/]+/\.\./}{/};
403	}
404	}
405
406	$self->{path} = $path;
407
408	$self
409	}
410
411	# the name / primary key / in-game path
412	sub as_string {
413	my ($self) = @_;
414
415	$self->{user_rel} ? "~$self->{user}$self->{path}"
416	: $self->{random} ? "?random/$self->{path}"
417	: $self->{path}
418	}
419
420	# the displayed name, this is a one way mapping
421	sub visible_name {
422	my ($self) = @_;
423
424	# if (my $rmp = $self->{random}) {
425	# # todo: be more intelligent about this
426	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
427	# } else {
428	$self->as_string
429	# }
430	}
431
432	# escape the /'s in the path
433	sub _escaped_path {
434	# ∕ is U+2215
435	(my $path = $_[0]{path}) =~ s/\//∕/g;
436	$path
437	}
438
439	# the original (read-only) location
440	sub load_path {
441	my ($self) = @_;
442
443	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
444	}
445
446	# the temporary/swap location
447	sub save_path {
448	my ($self) = @_;
449
450	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
451	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
452	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
453	}
454
455	# the unique path, might be eq to save_path
456	sub uniq_path {
457	my ($self) = @_;
458
459	$self->{user_rel} || $self->{random}
460	? undef
461	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
462	}
463
464	# return random map parameters, or undef
465	sub random_map_params {
466	my ($self) = @_;
467
468	$self->{random}
469	}
470
471	# this is somewhat ugly, but style maps do need special treatment
472	sub is_style_map {
473	$_[0]{path} =~ m{^/styles/}
474	}
475
476	package cf;
477		389
478	#############################################################################	390	#############################################################################
479		391
480	=head2 ATTACHABLE OBJECTS	392	=head2 ATTACHABLE OBJECTS
481		393
…		…
607	our @CB_TYPE = (); # registry for type (cf-object class) based events	519	our @CB_TYPE = (); # registry for type (cf-object class) based events
608	our @CB_MAP = ();	520	our @CB_MAP = ();
609		521
610	my %attachment;	522	my %attachment;
611		523
		524	sub cf::attachable::thawer_merge {
		525	# simply override everything except _meta
		526	local $_[0]{_meta};
		527	%{$_[0]} = %{$_[1]};
		528	}
		529
612	sub _attach_cb($$$$) {	530	sub _attach_cb($$$$) {
613	my ($registry, $event, $prio, $cb) = @_;	531	my ($registry, $event, $prio, $cb) = @_;
614		532
615	use sort 'stable';	533	use sort 'stable';
616		534
…		…
787	# object support	705	# object support
788		706
789	sub reattach {	707	sub reattach {
790	# basically do the same as instantiate, without calling instantiate	708	# basically do the same as instantiate, without calling instantiate
791	my ($obj) = @_;	709	my ($obj) = @_;
		710
		711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
792		712
793	my $registry = $obj->registry;	713	my $registry = $obj->registry;
794		714
795	@$registry = ();	715	@$registry = ();
796		716
…		…
843	$filename, length $$rdata, scalar @$objs;	763	$filename, length $$rdata, scalar @$objs;
844		764
845	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
846	chmod SAVE_MODE, $fh;	766	chmod SAVE_MODE, $fh;
847	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
848	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
849	close $fh;	769	close $fh;
850		770
851	if (@$objs) {	771	if (@$objs) {
852	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) {
853	chmod SAVE_MODE, $fh;	773	chmod SAVE_MODE, $fh;
854	my $data = Storable::nfreeze { version => 1, objs => $objs };	774	my $data = Storable::nfreeze { version => 1, objs => $objs };
855	aio_write $fh, 0, (length $data), $data, 0;	775	aio_write $fh, 0, (length $data), $data, 0;
856	aio_fsync $fh;	776	aio_fsync $fh if $cf::USE_FSYNC;
857	close $fh;	777	close $fh;
858	aio_rename "$filename.pst~", "$filename.pst";	778	aio_rename "$filename.pst~", "$filename.pst";
859	}	779	}
860	} else {	780	} else {
861	aio_unlink "$filename.pst";	781	aio_unlink "$filename.pst";
…		…
928	=cut	848	=cut
929		849
930	sub register_extcmd {	850	sub register_extcmd {
931	my ($name, $cb) = @_;	851	my ($name, $cb) = @_;
932		852
933	my $caller = caller;
934	#warn "registering extcmd '$name' to '$caller'";
935
936	$EXTCMD{$name} = [$cb, $caller];	853	$EXTCMD{$name} = $cb;
937	}	854	}
938		855
939	cf::player->attach (	856	cf::player->attach (
940	on_command => sub {	857	on_command => sub {
941	my ($pl, $name, $params) = @_;	858	my ($pl, $name, $params) = @_;
…		…
954		871
955	my $msg = eval { from_json $buf };	872	my $msg = eval { from_json $buf };
956		873
957	if (ref $msg) {	874	if (ref $msg) {
958	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
959	if (my %reply = $cb->[0]->($pl, $msg)) {	876	if (my %reply = $cb->($pl, $msg)) {
960	$pl->ext_reply ($msg->{msgid}, %reply);	877	$pl->ext_reply ($msg->{msgid}, %reply);
961	}	878	}
962	}	879	}
963	} else {	880	} else {
964	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
966		883
967	cf::override;	884	cf::override;
968	},	885	},
969	);	886	);
970		887
971	sub register {
972	my ($base, $pkg) = @_;
973
974	#TODO
975	}
976
977	sub load_extension {	888	sub load_extension {
978	my ($path) = @_;	889	my ($path) = @_;
979		890
980	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
981	my $base = $1;	892	my $base = $1;
982	my $pkg = $1;	893	my $pkg = $1;
983	$pkg =~ s/[^[:word:]]/_/g;	894	$pkg =~ s/[^[:word:]]/_/g;
984	$pkg = "ext::$pkg";	895	$pkg = "ext::$pkg";
985		896
986	warn "loading '$path' into '$pkg'\n";	897	warn "... loading '$path' into '$pkg'\n";
987		898
988	open my $fh, "<:utf8", $path	899	open my $fh, "<:utf8", $path
989	or die "$path: $!";	900	or die "$path: $!";
990		901
991	my $source =	902	my $source =
992	"package $pkg; use strict; use utf8;\n"	903	"package $pkg; use strict; use utf8;\n"
993	. "#line 1 \"$path\"\n{\n"	904	. "#line 1 \"$path\"\n{\n"
994	. (do { local $/; <$fh> })	905	. (do { local $/; <$fh> })
995	. "\n};\n1";	906	. "\n};\n1";
996		907
997	eval $source	908	unless (eval $source) {
998	or die $@ ? "$path: $@\n"	909	my $msg = $@ ? "$path: $@\n"
999	: "extension disabled.\n";	910	: "extension disabled.\n";
1000		911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1001	push @exts, $pkg;	912	warn $@;
1002	$ext_pkg{$base} = $pkg;	913	warn "mandatory extension failed to load, exiting.\n";
1003		914	exit 1;
1004	# no strict 'refs';	915	}
1005	# @{"$pkg\::ISA"} = ext::;	916	die $@;
1006
1007	register $base, $pkg;
1008	}
1009
1010	sub unload_extension {
1011	my ($pkg) = @_;
1012
1013	warn "removing extension $pkg\n";
1014
1015	# remove hooks
1016	#TODO
1017	# for my $idx (0 .. $#PLUGIN_EVENT) {
1018	# delete $hook[$idx]{$pkg};
1019	# }	917	}
1020		918
1021	# remove commands	919	push @EXTS, $pkg;
1022	for my $name (keys %COMMAND) {
1023	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1024
1025	if (@cb) {
1026	$COMMAND{$name} = \@cb;
1027	} else {
1028	delete $COMMAND{$name};
1029	}
1030	}
1031
1032	# remove extcmds
1033	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1034	delete $EXTCMD{$name};
1035	}
1036
1037	if (my $cb = $pkg->can ("unload")) {
1038	eval {
1039	$cb->($pkg);
1040	1
1041	} or warn "$pkg unloaded, but with errors: $@";
1042	}
1043
1044	Symbol::delete_package $pkg;
1045	}	920	}
1046		921
1047	sub load_extensions {	922	sub load_extensions {
1048	for my $ext (<$LIBDIR/*.ext>) {	923	for my $ext (<$LIBDIR/*.ext>) {
1049	next unless -r $ext;	924	next unless -r $ext;
…		…
1053	} or warn "$ext not loaded: $@";	928	} or warn "$ext not loaded: $@";
1054	}	929	}
1055	}	930	}
1056		931
1057	#############################################################################	932	#############################################################################
1058	# load/save/clean perl data associated with a map
1059
1060	*cf::mapsupport::on_clean = sub {
1061	my ($map) = @_;
1062
1063	my $path = $map->tmpname;
1064	defined $path or return;
1065
1066	unlink "$path.pst";
1067	};
1068
1069	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1070
1071	#############################################################################
1072	# load/save perl data associated with player->ob objects
1073
1074	sub all_objects(@) {
1075	@_, map all_objects ($_->inv), @_
1076	}
1077
1078	# TODO: compatibility cruft, remove when no longer needed
1079	cf::player->attach (
1080	on_load => sub {
1081	my ($pl, $path) = @_;
1082
1083	for my $o (all_objects $pl->ob) {
1084	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1085	$o->set_ob_key_value ("_perl_data");
1086
1087	%$o = %{ Storable::thaw pack "H*", $value };
1088	}
1089	}
1090	},
1091	);
1092
1093	#############################################################################
1094		933
1095	=head2 CORE EXTENSIONS	934	=head2 CORE EXTENSIONS
1096		935
1097	Functions and methods that extend core crossfire objects.	936	Functions and methods that extend core crossfire objects.
1098		937
		938	=cut
		939
		940	package cf::player;
		941
		942	use Coro::AIO;
		943
1099	=head3 cf::player	944	=head3 cf::player
1100		945
1101	=over 4	946	=over 4
1102		947
1103	=item cf::player::exists $login	948	=item cf::player::find $login
1104		949
1105	Returns true when the given account exists.	950	Returns the given player object, loading it if necessary (might block).
1106		951
1107	=cut	952	=cut
1108		953
1109	sub cf::player::exists($) {	954	sub playerdir($) {
1110	cf::player::find $_[0]	955	cf::localdir
1111	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
1112	}	1102	}
1113		1103
1114	=item $player->ext_reply ($msgid, $msgtype, %msg)	1104	=item $player->ext_reply ($msgid, $msgtype, %msg)
1115		1105
1116	Sends an ext reply to the player.	1106	Sends an ext reply to the player.
1117		1107
1118	=cut	1108	=cut
1119		1109
1120	sub cf::player::ext_reply($$$%) {	1110	sub ext_reply($$$%) {
1121	my ($self, $id, %msg) = @_;	1111	my ($self, $id, %msg) = @_;
1122		1112
1123	$msg{msgid} = $id;	1113	$msg{msgid} = $id;
1124		1114
1125	$self->send ("ext " . to_json \%msg);	1115	$self->send ("ext " . cf::to_json \%msg);
1126	}	1116	}
		1117
		1118	package cf;
1127		1119
1128	=back	1120	=back
1129		1121
1130		1122
1131	=head3 cf::map	1123	=head3 cf::map
…		…
1137	package cf::map;	1129	package cf::map;
1138		1130
1139	use Fcntl;	1131	use Fcntl;
1140	use Coro::AIO;	1132	use Coro::AIO;
1141		1133
		1134	use overload
		1135	'""' => \&as_string,
		1136	fallback => 1;
		1137
1142	our $MAX_RESET = 7200;	1138	our $MAX_RESET = 3600;
1143	our $DEFAULT_RESET = 3600;	1139	our $DEFAULT_RESET = 3000;
1144		1140
1145	sub generate_random_map {	1141	sub generate_random_map {
1146	my ($path, $rmp) = @_;	1142	my ($self, $rmp) = @_;
1147
1148	# mit "rum" bekleckern, nicht	1143	# mit "rum" bekleckern, nicht
1149	cf::map::_create_random_map	1144	$self->_create_random_map (
1150	$path,
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1145	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1146	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1147	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1154	$rmp->{exit_on_final_map},	1148	$rmp->{exit_on_final_map},
1155	$rmp->{xsize}, $rmp->{ysize},	1149	$rmp->{xsize}, $rmp->{ysize},
1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1150	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1151	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1152	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1159	$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},
1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1154	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1161	(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
1162	}	1286	}
1163		1287
1164	# and all this just because we cannot iterate over	1288	# and all this just because we cannot iterate over
1165	# all maps in C++...	1289	# all maps in C++...
1166	sub change_all_map_light {	1290	sub change_all_map_light {
…		…
1168		1292
1169	$_->change_map_light ($change)	1293	$_->change_map_light ($change)
1170	for grep $_->outdoor, values %cf::MAP;	1294	for grep $_->outdoor, values %cf::MAP;
1171	}	1295	}
1172		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
1173	sub try_load_header($) {	1305	sub load_header_from($) {
1174	my ($path) = @_;	1306	my ($self, $path) = @_;
1175		1307
1176	utf8::encode $path;	1308	utf8::encode $path;
1177	aio_open $path, O_RDONLY, 0	1309	#aio_open $path, O_RDONLY, 0
		1310	# or return;
		1311
		1312	$self->_load_header ($path)
1178	or return;	1313	or return;
1179		1314
1180	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
1181	or return;	1358	or return;
		1359	$self->prepare_orig;
		1360	}
1182		1361
1183	$map->load_header ($path)	1362	1
1184	or return;
1185
1186	$map->{load_path} = $path;
1187
1188	$map
1189	}	1363	}
1190		1364
1191	sub find_map;	1365	sub find;
1192	sub find_map {	1366	sub find {
1193	my ($path, $origin) = @_;	1367	my ($path, $origin) = @_;
1194		1368
1195	#warn "find_map<$path,$origin>\n";#d#
1196
1197	$path = new cf::path $path, $origin && $origin->path;	1369	$path = normalise $path, $origin && $origin->path;
1198	my $key = $path->as_string;
1199		1370
1200	cf::lock_wait "map_find:$key";	1371	cf::lock_wait "map_find:$path";
1201		1372
1202	$cf::MAP{$key} || do {	1373	$cf::MAP{$path} || do {
1203	my $guard = cf::lock_acquire "map_find:$key";	1374	my $guard = cf::lock_acquire "map_find:$path";
1204		1375	my $map = new_from_path cf::map $path
1205	# do it the slow way
1206	my $map = try_load_header $path->save_path;
1207
1208	if ($map) {
1209	# safety
1210	$map->{instantiate_time} = $cf::RUNTIME
1211	if $map->{instantiate_time} > $cf::RUNTIME;
1212	} else {
1213	if (my $rmp = $path->random_map_params) {
1214	$map = generate_random_map $key, $rmp;
1215	} else {
1216	$map = try_load_header $path->load_path;
1217	}
1218
1219	$map or return;	1376	or return;
1220		1377
1221	$map->{load_original} = 1;
1222	$map->{instantiate_time} = $cf::RUNTIME;
1223	$map->instantiate;
1224
1225	# per-player maps become, after loading, normal maps
1226	$map->per_player (0) if $path->{user_rel};
1227	}
1228
1229	$map->path ($key);
1230	$map->{path} = $path;
1231	$map->{last_save} = $cf::RUNTIME;	1378	$map->{last_save} = $cf::RUNTIME;
1232	$map->last_access ($cf::RUNTIME);
1233		1379
1234	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;
1235	$map->reset;	1386	$map->reset;
1236	undef $guard;	1387	undef $guard;
1237	$map = find_map $path	1388	return find $path;
1238	or return;
1239	}	1389	}
1240		1390
1241	$cf::MAP{$key} = $map	1391	$cf::MAP{$path} = $map
1242	}	1392	}
1243	}	1393	}
		1394
		1395	sub pre_load { }
		1396	sub post_load { }
1244		1397
1245	sub load {	1398	sub load {
1246	my ($self) = @_;	1399	my ($self) = @_;
1247		1400
		1401	local $self->{deny_reset} = 1; # loading can take a long time
		1402
1248	my $path = $self->{path};	1403	my $path = $self->{path};
1249	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1404	my $guard = cf::lock_acquire "map_load:$path";
1250		1405
1251	return if $self->in_memory != cf::MAP_SWAPPED;	1406	return if $self->in_memory != cf::MAP_SWAPPED;
1252		1407
1253	$self->in_memory (cf::MAP_LOADING);	1408	$self->in_memory (cf::MAP_LOADING);
1254		1409
1255	$self->alloc;	1410	$self->alloc;
		1411
		1412	$self->pre_load;
		1413
1256	$self->load_objects ($self->{load_path}, 1)	1414	$self->_load_objects ($self->{load_path}, 1)
1257	or return;	1415	or return;
1258		1416
1259	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1417	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1260	if delete $self->{load_original};	1418	if delete $self->{load_original};
1261		1419
1262	if (my $uniq = $path->uniq_path) {	1420	if (my $uniq = $self->uniq_path) {
1263	utf8::encode $uniq;	1421	utf8::encode $uniq;
1264	if (aio_open $uniq, O_RDONLY, 0) {	1422	if (aio_open $uniq, O_RDONLY, 0) {
1265	$self->clear_unique_items;	1423	$self->clear_unique_items;
1266	$self->load_objects ($uniq, 0);	1424	$self->_load_objects ($uniq, 0);
1267	}	1425	}
1268	}	1426	}
		1427
		1428	Coro::cede;
1269		1429
1270	# now do the right thing for maps	1430	# now do the right thing for maps
1271	$self->link_multipart_objects;	1431	$self->link_multipart_objects;
1272		1432
1273	if ($self->{path}->is_style_map) {	1433	unless ($self->{deny_activate}) {
1274	$self->{deny_save} = 1;	1434	$self->decay_objects;
1275	$self->{deny_reset} = 1;
1276	} else {
1277	$self->fix_auto_apply;	1435	$self->fix_auto_apply;
1278	$self->decay_objects;
1279	$self->update_buttons;	1436	$self->update_buttons;
		1437	Coro::cede;
1280	$self->set_darkness_map;	1438	$self->set_darkness_map;
1281	$self->difficulty ($self->estimate_difficulty)	1439	$self->difficulty ($self->estimate_difficulty)
1282	unless $self->difficulty;	1440	unless $self->difficulty;
		1441	Coro::cede;
1283	$self->activate;	1442	$self->activate;
1284	}	1443	}
1285		1444
		1445	$self->post_load;
		1446
1286	$self->in_memory (cf::MAP_IN_MEMORY);	1447	$self->in_memory (cf::MAP_IN_MEMORY);
1287	}	1448	}
1288		1449
1289	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 {
1290	my ($path, $origin) = @_;	1484	my ($path, $origin) = @_;
1291		1485
1292	#warn "load_map_sync<$path, $origin>\n";#d#	1486	cf::sync_job { find $path, $origin }
		1487	}
1293		1488
1294	cf::sync_job {	1489	sub do_load_sync {
1295	my $map = cf::map::find_map $path, $origin	1490	my ($map) = @_;
1296	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;
1297	$map->load;	1513	$map->load;
1298	$map	1514
		1515	delete $MAP_PREFETCH{$path};
		1516	}
		1517	}
		1518	undef $MAP_PREFETCHER;
1299	}	1519	};
		1520	$MAP_PREFETCHER->prio (6);
		1521
		1522	()
1300	}	1523	}
1301		1524
1302	sub save {	1525	sub save {
1303	my ($self) = @_;	1526	my ($self) = @_;
1304		1527
		1528	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1529
1305	$self->{last_save} = $cf::RUNTIME;	1530	$self->{last_save} = $cf::RUNTIME;
1306		1531
1307	return unless $self->dirty;	1532	return unless $self->dirty;
1308		1533
1309	my $save = $self->{path}->save_path; utf8::encode $save;	1534	my $save = $self->save_path; utf8::encode $save;
1310	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1535	my $uniq = $self->uniq_path; utf8::encode $uniq;
1311		1536
1312	$self->{load_path} = $save;	1537	$self->{load_path} = $save;
1313		1538
1314	return if $self->{deny_save};	1539	return if $self->{deny_save};
1315		1540
		1541	local $self->{last_access} = $self->last_access;#d#
		1542
		1543	cf::async {
		1544	$_->contr->save for $self->players;
		1545	};
		1546
1316	if ($uniq) {	1547	if ($uniq) {
1317	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1548	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318	$self->save_objects ($uniq, cf::IO_UNIQUES);	1549	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1319	} else {	1550	} else {
1320	$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);
1321	}	1552	}
1322	}	1553	}
1323		1554
1324	sub swap_out {	1555	sub swap_out {
1325	my ($self) = @_;	1556	my ($self) = @_;
		1557
		1558	# save first because save cedes
		1559	$self->save;
		1560
		1561	my $lock = cf::lock_acquire "map_data:" . $self->path;
1326		1562
1327	return if $self->players;	1563	return if $self->players;
1328	return if $self->in_memory != cf::MAP_IN_MEMORY;	1564	return if $self->in_memory != cf::MAP_IN_MEMORY;
1329	return if $self->{deny_save};	1565	return if $self->{deny_save};
1330		1566
1331	$self->save;
1332	$self->clear;	1567	$self->clear;
1333	$self->in_memory (cf::MAP_SWAPPED);	1568	$self->in_memory (cf::MAP_SWAPPED);
1334	}	1569	}
1335		1570
1336	sub reset_at {	1571	sub reset_at {
1337	my ($self) = @_;	1572	my ($self) = @_;
1338		1573
1339	# TODO: safety, remove and allow resettable per-player maps	1574	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};	1575	return 1e99 if $self->isa ("ext::map_per_player");#d#
1341	return 1e99 if $self->{deny_reset};	1576	return 1e99 if $self->{deny_reset};
1342		1577
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1578	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	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;
1345		1580
…		…
1350	my ($self) = @_;	1585	my ($self) = @_;
1351		1586
1352	$self->reset_at <= $cf::RUNTIME	1587	$self->reset_at <= $cf::RUNTIME
1353	}	1588	}
1354		1589
1355	sub unlink_save {
1356	my ($self) = @_;
1357
1358	utf8::encode (my $save = $self->{path}->save_path);
1359	aioreq_pri 3; IO::AIO::aio_unlink $save;
1360	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1361	}
1362
1363	sub rename {
1364	my ($self, $new_path) = @_;
1365
1366	$self->unlink_save;
1367
1368	delete $cf::MAP{$self->path};
1369	$self->{path} = new cf::path $new_path;
1370	$self->path ($self->{path}->as_string);
1371	$cf::MAP{$self->path} = $self;
1372
1373	$self->save;
1374	}
1375
1376	sub reset {	1590	sub reset {
1377	my ($self) = @_;	1591	my ($self) = @_;
1378		1592
		1593	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1594
1379	return if $self->players;	1595	return if $self->players;
1380	return if $self->{path}{user_rel};#d#	1596	return if $self->isa ("ext::map_per_player");#d#
1381		1597
1382	warn "resetting map ", $self->path;#d#	1598	warn "resetting map ", $self->path;#d#
1383		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
1384	delete $cf::MAP{$self->path};	1610	delete $cf::MAP{$self->path};
		1611
		1612	$self->clear;
1385		1613
1386	$_->clear_links_to ($self) for values %cf::MAP;	1614	$_->clear_links_to ($self) for values %cf::MAP;
1387		1615
1388	$self->unlink_save;	1616	$self->unlink_save;
1389	$self->destroy;	1617	$self->destroy;
…		…
1392	my $nuke_counter = "aaaa";	1620	my $nuke_counter = "aaaa";
1393		1621
1394	sub nuke {	1622	sub nuke {
1395	my ($self) = @_;	1623	my ($self) = @_;
1396		1624
		1625	delete $cf::MAP{$self->path};
		1626
		1627	$self->unlink_save;
		1628
		1629	bless $self, "cf::map";
		1630	delete $self->{deny_reset};
1397	$self->{deny_save} = 1;	1631	$self->{deny_save} = 1;
1398	$self->reset_timeout (1);	1632	$self->reset_timeout (1);
1399	$self->rename ("{nuke}/" . ($nuke_counter++));	1633	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1634
		1635	$cf::MAP{$self->path} = $self;
		1636
1400	$self->reset; # polite request, might not happen	1637	$self->reset; # polite request, might not happen
1401	}	1638	}
1402		1639
1403	sub customise_for {	1640	=item cf::map::unique_maps
1404	my ($map, $ob) = @_;
1405		1641
1406	if ($map->per_player) {	1642	Returns an arrayref of paths of all shared maps that have
1407	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1643	instantiated unique items. May block.
1408	}
1409		1644
1410	$map	1645	=cut
1411	}
1412		1646
1413	sub emergency_save {	1647	sub unique_maps() {
1414	local $cf::FREEZE = 1;	1648	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1649	or return;
1415		1650
1416	warn "enter emergency map save\n";	1651	my @paths;
1417		1652
1418	cf::sync_job {	1653	for (@$files) {
1419	warn "begin emergency map save\n";	1654	utf8::decode $_;
1420	$_->save for values %cf::MAP;	1655	next if /\.pst$/;
		1656	next unless /^$PATH_SEP/o;
		1657
		1658	push @paths, cf::map::normalise $_;
1421	};	1659	}
1422		1660
1423	warn "end emergency map save\n";	1661	\@paths
1424	}	1662	}
1425		1663
1426	package cf;	1664	package cf;
1427		1665
1428	=back	1666	=back
1429		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
1430		1694
1431	=head3 cf::object::player	1695	=head3 cf::object::player
1432		1696
1433	=over 4	1697	=over 4
1434		1698
…		…
1474		1738
1475	=item $player_object->enter_link	1739	=item $player_object->enter_link
1476		1740
1477	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}>).
1478		1742
1479	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
1480	I<MUST> call C<leave_link> as soon as possible, though.	1744	I<MUST> call C<leave_link> as soon as possible, though.
1481		1745
		1746	Will never block.
		1747
1482	=item $player_object->leave_link ($map, $x, $y)	1748	=item $player_object->leave_link ($map, $x, $y)
1483		1749
1484	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
1485	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
1486	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
1487	to the emergency map position.	1753	fails, to the emergency map position.
1488		1754
1489	Might block.	1755	Might block.
1490		1756
1491	=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	}
1492		1768
1493	sub cf::object::player::enter_link {	1769	sub cf::object::player::enter_link {
1494	my ($self) = @_;	1770	my ($self) = @_;
1495		1771
1496	$self->deactivate_recursive;	1772	$self->deactivate_recursive;
1497		1773
1498	return if $self->map == $LINK_MAP;	1774	return if UNIVERSAL::isa $self->map, "ext::map_link";
1499		1775
1500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1776	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1501	if $self->map;	1777	if $self->map;
1502		1778
1503	$self->enter_map ($LINK_MAP, 20, 20);	1779	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1504	}	1780	}
1505		1781
1506	sub cf::object::player::leave_link {	1782	sub cf::object::player::leave_link {
1507	my ($self, $map, $x, $y) = @_;	1783	my ($self, $map, $x, $y) = @_;
1508		1784
1509	my $link_pos = delete $self->{_link_pos};	1785	my $link_pos = delete $self->{_link_pos};
1510		1786
1511	unless ($map) {	1787	unless ($map) {
1512	# restore original map position	1788	# restore original map position
1513	($map, $x, $y) = @{ $link_pos || [] };	1789	($map, $x, $y) = @{ $link_pos || [] };
1514	$map = cf::map::find_map $map;	1790	$map = cf::map::find $map;
1515		1791
1516	unless ($map) {	1792	unless ($map) {
1517	($map, $x, $y) = @$EMERGENCY_POSITION;	1793	($map, $x, $y) = @$EMERGENCY_POSITION;
1518	$map = cf::map::find_map $map	1794	$map = cf::map::find $map
1519	or die "FATAL: cannot load emergency map\n";	1795	or die "FATAL: cannot load emergency map\n";
1520	}	1796	}
1521	}	1797	}
1522		1798
1523	($x, $y) = (-1, -1)	1799	($x, $y) = (-1, -1)
…		…
1526	# use -1 or undef as default coordinates, not 0, 0	1802	# use -1 or undef as default coordinates, not 0, 0
1527	($x, $y) = ($map->enter_x, $map->enter_y)	1803	($x, $y) = ($map->enter_x, $map->enter_y)
1528	if $x <=0 && $y <= 0;	1804	if $x <=0 && $y <= 0;
1529		1805
1530	$map->load;	1806	$map->load;
		1807	$map->load_diag;
1531		1808
		1809	return unless $self->contr->active;
1532	$self->activate_recursive;	1810	$self->activate_recursive;
		1811
		1812	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1533	$self->enter_map ($map, $x, $y);	1813	$self->enter_map ($map, $x, $y);
1534	}	1814	}
1535		1815
1536	cf::player->attach (	1816	cf::player->attach (
1537	on_logout => sub {	1817	on_logout => sub {
…		…
1549		1829
1550	# try to abort aborted map switching on player login :)	1830	# try to abort aborted map switching on player login :)
1551	# should happen only on crashes	1831	# should happen only on crashes
1552	if ($pl->ob->{_link_pos}) {	1832	if ($pl->ob->{_link_pos}) {
1553	$pl->ob->enter_link;	1833	$pl->ob->enter_link;
1554	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);
1555	# 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
1556	# 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
1557	Coro::Timer::sleep 1;	1841	Coro::Timer::sleep 1;
1558	$pl->ob->leave_link;	1842	$pl->ob->leave_link;
1559	};	1843	})->prio (2);
1560	}	1844	}
1561	},	1845	},
1562	);	1846	);
1563		1847
1564	=item $player_object->goto_map ($path, $x, $y)	1848	=item $player_object->goto ($path, $x, $y)
1565		1849
1566	=cut	1850	=cut
1567		1851
1568	sub cf::object::player::goto_map {	1852	sub cf::object::player::goto {
1569	my ($self, $path, $x, $y) = @_;	1853	my ($self, $path, $x, $y) = @_;
1570		1854
1571	$self->enter_link;	1855	$self->enter_link;
1572		1856
1573	(cf::async {	1857	(async {
1574	$path = new cf::path $path;	1858	my $map = eval {
1575
1576	my $map = cf::map::find_map $path->as_string;	1859	my $map = cf::map::find $path;
1577	$map = $map->customise_for ($self) if $map;	1860	$map = $map->customise_for ($self) if $map;
1578		1861	$map
1579	# warn "entering ", $map->path, " at ($x, $y)\n"	1862	} or
1580	# if $map;
1581
1582	$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);
1583		1864
1584	$self->leave_link ($map, $x, $y);	1865	$self->leave_link ($map, $x, $y);
1585	})->prio (1);	1866	})->prio (1);
1586	}	1867	}
1587		1868
…		…
1591		1872
1592	sub parse_random_map_params {	1873	sub parse_random_map_params {
1593	my ($spec) = @_;	1874	my ($spec) = @_;
1594		1875
1595	my $rmp = { # defaults	1876	my $rmp = { # defaults
1596	xsize => 10,	1877	xsize => (cf::rndm 15, 40),
1597	ysize => 10,	1878	ysize => (cf::rndm 15, 40),
		1879	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1880	#layout => string,
1598	};	1881	};
1599		1882
1600	for (split /\n/, $spec) {	1883	for (split /\n/, $spec) {
1601	my ($k, $v) = split /\s+/, $_, 2;	1884	my ($k, $v) = split /\s+/, $_, 2;
1602		1885
…		…
1606	$rmp	1889	$rmp
1607	}	1890	}
1608		1891
1609	sub prepare_random_map {	1892	sub prepare_random_map {
1610	my ($exit) = @_;	1893	my ($exit) = @_;
		1894
		1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1611		1896
1612	# all this does is basically replace the /! path by	1897	# all this does is basically replace the /! path by
1613	# a new random map path (?random/...) with a seed	1898	# a new random map path (?random/...) with a seed
1614	# that depends on the exit object	1899	# that depends on the exit object
1615		1900
1616	my $rmp = parse_random_map_params $exit->msg;	1901	my $rmp = parse_random_map_params $exit->msg;
1617		1902
1618	if ($exit->map) {	1903	if ($exit->map) {
1619	$rmp->{region} = $exit->map->region_name;	1904	$rmp->{region} = $exit->region->name;
1620	$rmp->{origin_map} = $exit->map->path;	1905	$rmp->{origin_map} = $exit->map->path;
1621	$rmp->{origin_x} = $exit->x;	1906	$rmp->{origin_x} = $exit->x;
1622	$rmp->{origin_y} = $exit->y;	1907	$rmp->{origin_y} = $exit->y;
1623	}	1908	}
1624		1909
1625	$rmp->{random_seed} ||= $exit->random_seed;	1910	$rmp->{random_seed} ||= $exit->random_seed;
1626		1911
1627	my $data = cf::to_json $rmp;	1912	my $data = cf::to_json $rmp;
1628	my $md5 = Digest::MD5::md5_hex $data;	1913	my $md5 = Digest::MD5::md5_hex $data;
		1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1629		1915
1630	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) {
1631	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;
1632		1920
1633	$exit->slaying ("?random/$md5");	1921	$exit->slaying ("?random/$md5");
1634	$exit->msg (undef);	1922	$exit->msg (undef);
1635	}	1923	}
1636	}	1924	}
…		…
1638	sub cf::object::player::enter_exit {	1926	sub cf::object::player::enter_exit {
1639	my ($self, $exit) = @_;	1927	my ($self, $exit) = @_;
1640		1928
1641	return unless $self->type == cf::PLAYER;	1929	return unless $self->type == cf::PLAYER;
1642		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
1643	$self->enter_link;	1940	$self->enter_link;
1644		1941
1645	(cf::async {	1942	(async {
		1943	$self->deactivate_recursive; # just to be sure
1646	unless (eval {	1944	unless (eval {
1647	prepare_random_map $exit	1945	$self->goto ($slaying, $hp, $sp);
1648	if $exit->slaying eq "/!";
1649
1650	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1651	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1652		1946
1653	1;	1947	1;
1654	}) {	1948	}) {
1655	$self->message ("Something went wrong deep within the crossfire server. "	1949	$self->message ("Something went wrong deep within the crossfire server. "
1656	. "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. "
1657	. "Please report this to the dungeon master",	1951	. "Please report this to the dungeon master!",
1658	cf::NDI_UNIQUE | cf::NDI_RED);	1952	cf::NDI_UNIQUE | cf::NDI_RED);
1659		1953
1660	warn "ERROR in enter_exit: $@";	1954	warn "ERROR in enter_exit: $@";
1661	$self->leave_link;	1955	$self->leave_link;
1662	}	1956	}
…		…
1714	my ($ns, $msg) = @_;	2008	my ($ns, $msg) = @_;
1715		2009
1716	# this weird shuffling is so that direct followup queries	2010	# this weird shuffling is so that direct followup queries
1717	# get handled first	2011	# get handled first
1718	my $queue = delete $ns->{query_queue}	2012	my $queue = delete $ns->{query_queue}
1719	or return; # be conservative, not sure how that cna happen, but we saw a crash here	2013	or return; # be conservative, not sure how that can happen, but we saw a crash here
1720		2014
1721	(shift @$queue)->[1]->($msg);	2015	(shift @$queue)->[1]->($msg);
		2016	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1722		2017
1723	push @{ $ns->{query_queue} }, @$queue;	2018	push @{ $ns->{query_queue} }, @$queue;
1724		2019
1725	if (@{ $ns->{query_queue} } == @$queue) {	2020	if (@{ $ns->{query_queue} } == @$queue) {
1726	if (@$queue) {	2021	if (@$queue) {
…		…
1730	}	2025	}
1731	}	2026	}
1732	},	2027	},
1733	);	2028	);
1734		2029
1735	=item $client->coro (\&cb)	2030	=item $client->async (\&cb)
1736		2031
1737	Create a new coroutine, running the specified callback. The coroutine will	2032	Create a new coroutine, running the specified callback. The coroutine will
1738	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,
1739	or loss of connection).	2034	or loss of connection).
1740		2035
1741	=cut	2036	=cut
1742		2037
1743	sub cf::client::coro {	2038	sub cf::client::async {
1744	my ($self, $cb) = @_;	2039	my ($self, $cb) = @_;
1745		2040
1746	my $coro = &cf::async ($cb);	2041	my $coro = &Coro::async ($cb);
1747		2042
1748	$coro->on_destroy (sub {	2043	$coro->on_destroy (sub {
1749	delete $self->{_coro}{$coro+0};	2044	delete $self->{_coro}{$coro+0};
1750	});	2045	});
1751		2046
…		…
1887	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
1888	using it, it should be unique.	2183	using it, it should be unique.
1889		2184
1890	=over 4	2185	=over 4
1891		2186
1892	=item $hashref = cf::db_get $family
1893
1894	Return a hashref for use by the extension C<$family>, which can be
1895	modified. After modifications, you have to call C<cf::db_dirty> or
1896	C<cf::db_sync>.
1897
1898	=item $value = cf::db_get $family => $key	2187	=item $value = cf::db_get $family => $key
1899		2188
1900	Returns a single value from the database	2189	Returns a single value from the database.
1901
1902	=item cf::db_put $family => $hashref
1903
1904	Stores the given family hashref into the database. Updates are delayed, if
1905	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1906		2190
1907	=item cf::db_put $family => $key => $value	2191	=item cf::db_put $family => $key => $value
1908		2192
1909	Stores the given C<$value> in the family hash. Updates are delayed, if you	2193	Stores the given C<$value> in the family.
1910	want the data to be synced to disk immediately, use C<cf::db_sync>.
1911
1912	=item cf::db_dirty
1913
1914	Marks the database as dirty, to be updated at a later time.
1915
1916	=item cf::db_sync
1917
1918	Immediately write the database to disk I<if it is dirty>.
1919		2194
1920	=cut	2195	=cut
1921		2196
1922	our $DB;	2197	our $DB;
1923		2198
1924	{	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
1925	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;
1926		2218
1927	sub db_load() {	2219	cf::db_put (board => data => $pst->{board});
1928	$DB = stat $path ? Storable::retrieve $path : { };	2220	cf::db_put (guildrules => data => $pst->{guildrules});
1929	}	2221	cf::db_put (rent => balance => $pst->{rent}{balance});
		2222	BDB::db_env_txn_checkpoint $DB_ENV;
1930		2223
1931	my $pid;	2224	unlink $path;
1932
1933	sub db_save() {
1934	waitpid $pid, 0 if $pid;
1935	if (0 == ($pid = fork)) {
1936	$DB->{_meta}{version} = 1;
1937	Storable::nstore $DB, "$path~";
1938	rename "$path~", $path;
1939	cf::_exit 0 if defined $pid;
1940	}	2225	};
1941	}
1942
1943	my $dirty;
1944
1945	sub db_sync() {
1946	db_save if $dirty;
1947	undef $dirty;
1948	}
1949
1950	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1951	db_sync;
1952	});
1953
1954	sub db_dirty() {
1955	$dirty = 1;
1956	$idle->start;
1957	}
1958
1959	sub db_get($;$) {
1960	@_ >= 2
1961	? $DB->{$_[0]}{$_[1]}
1962	: ($DB->{$_[0]} ||= { })
1963	}
1964
1965	sub db_put($$;$) {
1966	if (@_ >= 3) {
1967	$DB->{$_[0]}{$_[1]} = $_[2];
1968	} else {
1969	$DB->{$_[0]} = $_[1];
1970	}
1971	db_dirty;
1972	}
1973
1974	cf::global->attach (
1975	prio => 10000,
1976	on_cleanup => sub {
1977	db_sync;
1978	},	2226	}
1979	);	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 { };
1980	}	2244	}
1981		2245
1982	#############################################################################	2246	#############################################################################
1983	# 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	}
1984		2253
1985	sub cfg_load {	2254	sub cfg_load {
1986	open my $fh, "<:utf8", cf::confdir . "/config"	2255	open my $fh, "<:utf8", cf::confdir . "/config"
1987	or return;	2256	or return;
1988		2257
1989	local $/;	2258	local $/;
1990	*CFG = YAML::Syck::Load <$fh>;	2259	*CFG = YAML::Syck::Load <$fh>;
		2260
		2261	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		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
		2266	if (exists $CFG{mlockall}) {
		2267	eval {
		2268	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2269	and die "WARNING: m(un)lockall failed: $!\n";
		2270	};
		2271	warn $@ if $@;
		2272	}
		2273	}
		2274
		2275	sub init {
		2276	init_resources;
1991	}	2277	}
1992		2278
1993	sub main {	2279	sub main {
1994	# we must not ever block the main coroutine	2280	# we must not ever block the main coroutine
1995	local $Coro::idle = sub {	2281	local $Coro::idle = sub {
1996	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#
1997	(Coro::unblock_sub {	2283	(async {
1998	Event::one_event;	2284	Event::one_event;
1999	})->();	2285	})->prio (Coro::PRIO_MAX);
2000	};	2286	};
2001		2287
2002	cfg_load;	2288	cfg_load;
2003	db_load;	2289	db_init;
2004	load_extensions;	2290	load_extensions;
		2291
		2292	$TICK_WATCHER->start;
2005	Event::loop;	2293	Event::loop;
2006	}	2294	}
2007		2295
2008	#############################################################################	2296	#############################################################################
2009	# 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 $make_core;
		2352	}
2010		2353
2011	sub reload() {	2354	sub reload() {
2012	# can/must only be called in main	2355	# can/must only be called in main
2013	if ($Coro::current != $Coro::main) {	2356	if ($Coro::current != $Coro::main) {
2014	warn "can only reload from main coroutine\n";	2357	warn "can only reload from main coroutine";
2015	return;	2358	return;
2016	}	2359	}
2017		2360
2018	warn "reloading...";	2361	warn "reloading...";
2019		2362
2020	local $FREEZE = 1;	2363	warn "entering sync_job";
		2364
		2365	cf::sync_job {
		2366	cf::write_runtime; # external watchdog should not bark
2021	cf::emergency_save;	2367	cf::emergency_save;
		2368	cf::write_runtime; # external watchdog should not bark
2022		2369
2023	eval {	2370	warn "syncing database to disk";
		2371	BDB::db_env_txn_checkpoint $DB_ENV;
		2372
2024	# 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
2025		2374
2026	# cancel all watchers	2375	warn "cancelling all WF_AUTOCANCEL watchers";
2027	for (Event::all_watchers) {	2376	for (Event::all_watchers) {
2028	$_->cancel if $_->data & WF_AUTOCANCEL;	2377	$_->cancel if $_->data & WF_AUTOCANCEL;
2029	}	2378	}
2030		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
2031	# cancel all extension coros	2389	warn "cancelling all extension coros";
2032	$_->cancel for values %EXT_CORO;	2390	$_->cancel for values %EXT_CORO;
2033	%EXT_CORO = ();	2391	%EXT_CORO = ();
2034		2392
2035	# unload all extensions	2393	warn "removing commands";
2036	for (@exts) {	2394	%COMMAND = ();
		2395
		2396	warn "removing ext commands";
		2397	%EXTCMD = ();
		2398
		2399	warn "unloading/nuking all extensions";
		2400	for my $pkg (@EXTS) {
2037	warn "unloading <$_>";	2401	warn "... unloading $pkg";
2038	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: $@";
2039	}	2408	}
2040		2409
		2410	warn "... nuking $pkg";
		2411	Symbol::delete_package $pkg;
		2412	}
		2413
2041	# unload all modules loaded from $LIBDIR	2414	warn "unloading all perl modules loaded from $LIBDIR";
2042	while (my ($k, $v) = each %INC) {	2415	while (my ($k, $v) = each %INC) {
2043	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2416	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2044		2417
2045	warn "removing <$k>";	2418	warn "... unloading $k";
2046	delete $INC{$k};	2419	delete $INC{$k};
2047		2420
2048	$k =~ s/\.pm$//;	2421	$k =~ s/\.pm$//;
2049	$k =~ s/\//::/g;	2422	$k =~ s/\//::/g;
2050		2423
…		…
2053	}	2426	}
2054		2427
2055	Symbol::delete_package $k;	2428	Symbol::delete_package $k;
2056	}	2429	}
2057		2430
2058	# sync database to disk
2059	cf::db_sync;
2060	IO::AIO::flush;
2061
2062	# get rid of safe::, as good as possible	2431	warn "getting rid of safe::, as good as possible";
2063	Symbol::delete_package "safe::$_"	2432	Symbol::delete_package "safe::$_"
2064	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);
2065		2434
2066	# remove register_script_function callbacks
2067	# TODO
2068
2069	# unload cf.pm "a bit"	2435	warn "unloading cf.pm \"a bit\"";
2070	delete $INC{"cf.pm"};	2436	delete $INC{"cf.pm"};
2071		2437
2072	# don't, removes xs symbols, too,	2438	# don't, removes xs symbols, too,
2073	# and global variables created in xs	2439	# and global variables created in xs
2074	#Symbol::delete_package __PACKAGE__;	2440	#Symbol::delete_package __PACKAGE__;
2075		2441
2076	# reload cf.pm	2442	warn "unload completed, starting to reload now";
		2443
2077	warn "reloading cf.pm";	2444	warn "reloading cf.pm";
2078	require cf;	2445	require cf;
2079	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2446	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2080		2447
2081	# load config and database again	2448	warn "loading config and database again";
2082	cf::cfg_load;	2449	cf::cfg_load;
2083	cf::db_load;
2084		2450
2085	# load extensions
2086	warn "load extensions";	2451	warn "loading extensions";
2087	cf::load_extensions;	2452	cf::load_extensions;
2088		2453
2089	# reattach attachments to objects	2454	warn "reattaching attachments to objects/players";
2090	warn "reattach";
2091	_global_reattach;	2455	_global_reattach;
2092	};	2456	warn "reattaching attachments to maps";
		2457	reattach $_ for values %MAP;
2093		2458
2094	if ($@) {	2459	warn "loading reloadable resources";
		2460	init_resources;
		2461
		2462	warn "leaving sync_job";
		2463
		2464	1
		2465	} or do {
2095	warn $@;	2466	warn $@;
2096	warn "error while reloading, exiting.";	2467	warn "error while reloading, exiting.";
2097	exit 1;	2468	exit 1;
2098	}	2469	};
2099		2470
2100	warn "reloaded successfully";	2471	warn "reloaded";
2101	};	2472	};
2102		2473
2103	#############################################################################	2474	our $RELOAD_WATCHER; # used only during reload
2104
2105	unless ($LINK_MAP) {
2106	$LINK_MAP = cf::map::new;
2107
2108	$LINK_MAP->width (41);
2109	$LINK_MAP->height (41);
2110	$LINK_MAP->alloc;
2111	$LINK_MAP->path ("{link}");
2112	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2113	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2114
2115	# dirty hack because... archetypes are not yet loaded
2116	Event->timer (
2117	after => 2,
2118	cb => sub {
2119	$_[0]->w->cancel;
2120
2121	# provide some exits "home"
2122	my $exit = cf::object::new "exit";
2123
2124	$exit->slaying ($EMERGENCY_POSITION->[0]);
2125	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2126	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2127
2128	$LINK_MAP->insert ($exit->clone, 19, 19);
2129	$LINK_MAP->insert ($exit->clone, 19, 20);
2130	$LINK_MAP->insert ($exit->clone, 19, 21);
2131	$LINK_MAP->insert ($exit->clone, 20, 19);
2132	$LINK_MAP->insert ($exit->clone, 20, 21);
2133	$LINK_MAP->insert ($exit->clone, 21, 19);
2134	$LINK_MAP->insert ($exit->clone, 21, 20);
2135	$LINK_MAP->insert ($exit->clone, 21, 21);
2136
2137	$exit->destroy;
2138	});
2139
2140	$LINK_MAP->{deny_save} = 1;
2141	$LINK_MAP->{deny_reset} = 1;
2142
2143	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2144	}
2145
2146	register "<global>", __PACKAGE__;
2147		2475
2148	register_command "reload" => sub {	2476	register_command "reload" => sub {
2149	my ($who, $arg) = @_;	2477	my ($who, $arg) = @_;
2150		2478
2151	if ($who->flag (FLAG_WIZ)) {	2479	if ($who->flag (FLAG_WIZ)) {
2152	$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 {
2153	reload;	2490	reload;
2154	$who->message ("end of reload.");	2491	undef $RELOAD_WATCHER;
		2492	},
		2493	);
2155	}	2494	}
2156	};	2495	};
2157		2496
2158	unshift @INC, $LIBDIR;	2497	unshift @INC, $LIBDIR;
		2498
		2499	my $bug_warning = 0;
2159		2500
2160	$TICK_WATCHER = Event->timer (	2501	$TICK_WATCHER = Event->timer (
2161	reentrant => 0,	2502	reentrant => 0,
		2503	parked => 1,
2162	prio => 0,	2504	prio => 0,
2163	at => $NEXT_TICK || $TICK,	2505	at => $NEXT_TICK || $TICK,
2164	data => WF_AUTOCANCEL,	2506	data => WF_AUTOCANCEL,
2165	cb => sub {	2507	cb => sub {
2166	unless ($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
2167	cf::server_tick; # one server iteration	2516	cf::server_tick; # one server iteration
2168	$RUNTIME += $TICK;	2517	$RUNTIME += $TICK;
2169	}
2170
2171	$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#
2172		2533
2173	# 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
2174	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2535	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2175		2536
2176	$TICK_WATCHER->at ($NEXT_TICK);	2537	$TICK_WATCHER->at ($NEXT_TICK);
2177	$TICK_WATCHER->start;	2538	$TICK_WATCHER->start;
2178	},	2539	},
2179	);	2540	);
2180		2541
		2542	{
2181	IO::AIO::max_poll_time $TICK * 0.2;	2543	BDB::max_poll_time $TICK * 0.1;
2182		2544	$BDB_POLL_WATCHER = Event->io (
2183	Event->io (	2545	reentrant => 0,
2184	fd => IO::AIO::poll_fileno,	2546	fd => BDB::poll_fileno,
2185	poll => 'r',	2547	poll => 'r',
2186	prio => 5,	2548	prio => 0,
2187	data => WF_AUTOCANCEL,
2188	cb => \&IO::AIO::poll_cb,
2189	);
2190
2191	Event->timer (
2192	data => WF_AUTOCANCEL,	2549	data => WF_AUTOCANCEL,
2193	after => 0,	2550	cb => \&BDB::poll_cb,
2194	interval => 10,	2551	);
2195	cb => sub {	2552	BDB::min_parallel 8;
2196	(Coro::unblock_sub {	2553
2197	write_runtime	2554	BDB::set_sync_prepare {
2198	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 $@;
2199	})->();	2588	};
2200	},	2589	}
2201	);	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	}
2202		2606
2203	END { cf::emergency_save }	2607	END { cf::emergency_save }
2204		2608
2205	1	2609	1
2206		2610

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