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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.121 by root, Tue Jan 2 11:11:52 2007 UTC vs.
Revision 1.220 by root, Sat Feb 17 23:54:35 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	}
		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	$guard
		281	}
		282
		283	=item cf::async { BLOCK }
		284
		285	Currently the same as Coro::async_pool, meaning you cannot use
		286	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		287	thing you are allowed to do is call C<prio> on it.
		288
		289	=cut
		290
		291	BEGIN { *async = \&Coro::async_pool }
249		292
250	=item cf::sync_job { BLOCK }	293	=item cf::sync_job { BLOCK }
251		294
252	The design of crossfire+ requires that the main coro ($Coro::main) is	295	The design of crossfire+ requires that the main coro ($Coro::main) is
253	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
…		…
267	# this is the main coro, too bad, we have to block	310	# this is the main coro, too bad, we have to block
268	# till the operation succeeds, freezing the server :/	311	# till the operation succeeds, freezing the server :/
269		312
270	# TODO: use suspend/resume instead	313	# TODO: use suspend/resume instead
271	# (but this is cancel-safe)	314	# (but this is cancel-safe)
272	local $FREEZE = 1;	315	my $freeze_guard = freeze_mainloop;
273		316
274	my $busy = 1;	317	my $busy = 1;
275	my @res;	318	my @res;
276		319
277	(Coro::async {	320	(async {
278	@res = eval { $job->() };	321	@res = eval { $job->() };
279	warn $@ if $@;	322	warn $@ if $@;
280	undef $busy;	323	undef $busy;
281	})->prio (Coro::PRIO_MAX);	324	})->prio (Coro::PRIO_MAX);
282		325
283	while ($busy) {	326	while ($busy) {
284	Coro::cede_notself;	327	Coro::cede or Event::one_event;
285	Event::one_event unless Coro::nready;
286	}	328	}
287		329
288	wantarray ? @res : $res[0]	330	wantarray ? @res : $res[0]
289	} else {	331	} else {
290	# we are in another coroutine, how wonderful, everything just works	332	# we are in another coroutine, how wonderful, everything just works
291		333
292	$job->()	334	$job->()
293	}	335	}
294	}	336	}
295		337
296	=item $coro = cf::coro { BLOCK }	338	=item $coro = cf::async_ext { BLOCK }
297		339
298	Creates and returns a new coro. This coro is automcatially being canceled	340	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	341	extension calling this is being unloaded.
300		342
301	=cut	343	=cut
302		344
303	sub coro(&) {	345	sub async_ext(&) {
304	my $cb = shift;	346	my $cb = shift;
305		347
306	my $coro; $coro = async {	348	my $coro = &Coro::async ($cb);
307	eval {
308	$cb->();
309	};
310	warn $@ if $@;
311	};
312		349
313	$coro->on_destroy (sub {	350	$coro->on_destroy (sub {
314	delete $EXT_CORO{$coro+0};	351	delete $EXT_CORO{$coro+0};
315	});	352	});
316	$EXT_CORO{$coro+0} = $coro;	353	$EXT_CORO{$coro+0} = $coro;
317		354
318	$coro	355	$coro
319	}	356	}
320		357
321	sub write_runtime {	358	sub write_runtime {
		359	my $guard = cf::lock_acquire "write_runtime";
		360
322	my $runtime = cf::localdir . "/runtime";	361	my $runtime = cf::localdir . "/runtime";
323		362
324	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
325	or return;	364	or return;
326		365
		366	my $value = $cf::RUNTIME + 90 + 10;
327	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
328	(aio_write $fh, 0, (length $value), $value, 0) <= 0	370	(aio_write $fh, 0, (length $value), $value, 0) <= 0
329	and return;	371	and return;
330		372
		373	# always fsync - this file is important
331	aio_fsync $fh	374	aio_fsync $fh
332	and return;	375	and return;
333		376
334	close $fh	377	close $fh
335	or return;	378	or return;
…		…
341	}	384	}
342		385
343	=back	386	=back
344		387
345	=cut	388	=cut
346
347	#############################################################################
348
349	package cf::path;
350
351	sub new {
352	my ($class, $path, $base) = @_;
353
354	$path = $path->as_string if ref $path;
355
356	my $self = bless { }, $class;
357
358	# {... are special paths that are not touched
359	# ?xxx/... are special absolute paths
360	# ?random/... random maps
361	# /! non-realised random map exit
362	# /... normal maps
363	# ~/... per-player maps without a specific player (DO NOT USE)
364	# ~user/... per-player map of a specific user
365
366	if ($path =~ /^{/) {
367	# fine as it is
368	} elsif ($path =~ s{^\?random/}{}) {
369	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
370	$self->{random} = cf::from_json $data;
371	} else {
372	if ($path =~ s{^~([^/]+)?}{}) {
373	$self->{user_rel} = 1;
374
375	if (defined $1) {
376	$self->{user} = $1;
377	} elsif ($base =~ m{^~([^/]+)/}) {
378	$self->{user} = $1;
379	} else {
380	warn "cannot resolve user-relative path without user <$path,$base>\n";
381	}
382	} elsif ($path =~ /^\//) {
383	# already absolute
384	} else {
385	$base =~ s{[^/]+/?$}{};
386	return $class->new ("$base/$path");
387	}
388
389	for ($path) {
390	redo if s{/\.?/}{/};
391	redo if s{/[^/]+/\.\./}{/};
392	}
393	}
394
395	$self->{path} = $path;
396
397	$self
398	}
399
400	# the name / primary key / in-game path
401	sub as_string {
402	my ($self) = @_;
403
404	$self->{user_rel} ? "~$self->{user}$self->{path}"
405	: $self->{random} ? "?random/$self->{path}"
406	: $self->{path}
407	}
408
409	# the displayed name, this is a one way mapping
410	sub visible_name {
411	my ($self) = @_;
412
413	# if (my $rmp = $self->{random}) {
414	# # todo: be more intelligent about this
415	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
416	# } else {
417	$self->as_string
418	# }
419	}
420
421	# escape the /'s in the path
422	sub _escaped_path {
423	# ∕ is U+2215
424	(my $path = $_[0]{path}) =~ s/\//∕/g;
425	$path
426	}
427
428	# the original (read-only) location
429	sub load_path {
430	my ($self) = @_;
431
432	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
433	}
434
435	# the temporary/swap location
436	sub save_path {
437	my ($self) = @_;
438
439	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
440	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
441	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
442	}
443
444	# the unique path, might be eq to save_path
445	sub uniq_path {
446	my ($self) = @_;
447
448	$self->{user_rel} || $self->{random}
449	? undef
450	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
451	}
452
453	# return random map parameters, or undef
454	sub random_map_params {
455	my ($self) = @_;
456
457	$self->{random}
458	}
459
460	# this is somewhat ugly, but style maps do need special treatment
461	sub is_style_map {
462	$_[0]{path} =~ m{^/styles/}
463	}
464
465	package cf;
466		389
467	#############################################################################	390	#############################################################################
468		391
469	=head2 ATTACHABLE OBJECTS	392	=head2 ATTACHABLE OBJECTS
470		393
…		…
596	our @CB_TYPE = (); # registry for type (cf-object class) based events	519	our @CB_TYPE = (); # registry for type (cf-object class) based events
597	our @CB_MAP = ();	520	our @CB_MAP = ();
598		521
599	my %attachment;	522	my %attachment;
600		523
		524	sub cf::attachable::thawer_merge {
		525	# simply override everything except _meta
		526	local $_[0]{_meta};
		527	%{$_[0]} = %{$_[1]};
		528	}
		529
601	sub _attach_cb($$$$) {	530	sub _attach_cb($$$$) {
602	my ($registry, $event, $prio, $cb) = @_;	531	my ($registry, $event, $prio, $cb) = @_;
603		532
604	use sort 'stable';	533	use sort 'stable';
605		534
…		…
776	# object support	705	# object support
777		706
778	sub reattach {	707	sub reattach {
779	# basically do the same as instantiate, without calling instantiate	708	# basically do the same as instantiate, without calling instantiate
780	my ($obj) = @_;	709	my ($obj) = @_;
		710
		711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
781		712
782	my $registry = $obj->registry;	713	my $registry = $obj->registry;
783		714
784	@$registry = ();	715	@$registry = ();
785		716
…		…
832	$filename, length $$rdata, scalar @$objs;	763	$filename, length $$rdata, scalar @$objs;
833		764
834	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
835	chmod SAVE_MODE, $fh;	766	chmod SAVE_MODE, $fh;
836	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
837	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
838	close $fh;	769	close $fh;
839		770
840	if (@$objs) {	771	if (@$objs) {
841	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) {
842	chmod SAVE_MODE, $fh;	773	chmod SAVE_MODE, $fh;
843	my $data = Storable::nfreeze { version => 1, objs => $objs };	774	my $data = Storable::nfreeze { version => 1, objs => $objs };
844	aio_write $fh, 0, (length $data), $data, 0;	775	aio_write $fh, 0, (length $data), $data, 0;
845	aio_fsync $fh;	776	aio_fsync $fh if $cf::USE_FSYNC;
846	close $fh;	777	close $fh;
847	aio_rename "$filename.pst~", "$filename.pst";	778	aio_rename "$filename.pst~", "$filename.pst";
848	}	779	}
849	} else {	780	} else {
850	aio_unlink "$filename.pst";	781	aio_unlink "$filename.pst";
…		…
917	=cut	848	=cut
918		849
919	sub register_extcmd {	850	sub register_extcmd {
920	my ($name, $cb) = @_;	851	my ($name, $cb) = @_;
921		852
922	my $caller = caller;
923	#warn "registering extcmd '$name' to '$caller'";
924
925	$EXTCMD{$name} = [$cb, $caller];	853	$EXTCMD{$name} = $cb;
926	}	854	}
927		855
928	cf::player->attach (	856	cf::player->attach (
929	on_command => sub {	857	on_command => sub {
930	my ($pl, $name, $params) = @_;	858	my ($pl, $name, $params) = @_;
…		…
943		871
944	my $msg = eval { from_json $buf };	872	my $msg = eval { from_json $buf };
945		873
946	if (ref $msg) {	874	if (ref $msg) {
947	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
948	if (my %reply = $cb->[0]->($pl, $msg)) {	876	if (my %reply = $cb->($pl, $msg)) {
949	$pl->ext_reply ($msg->{msgid}, %reply);	877	$pl->ext_reply ($msg->{msgid}, %reply);
950	}	878	}
951	}	879	}
952	} else {	880	} else {
953	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
955		883
956	cf::override;	884	cf::override;
957	},	885	},
958	);	886	);
959		887
960	sub register {
961	my ($base, $pkg) = @_;
962
963	#TODO
964	}
965
966	sub load_extension {	888	sub load_extension {
967	my ($path) = @_;	889	my ($path) = @_;
968		890
969	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
970	my $base = $1;	892	my $base = $1;
971	my $pkg = $1;	893	my $pkg = $1;
972	$pkg =~ s/[^[:word:]]/_/g;	894	$pkg =~ s/[^[:word:]]/_/g;
973	$pkg = "ext::$pkg";	895	$pkg = "ext::$pkg";
974		896
975	warn "loading '$path' into '$pkg'\n";	897	warn "... loading '$path' into '$pkg'\n";
976		898
977	open my $fh, "<:utf8", $path	899	open my $fh, "<:utf8", $path
978	or die "$path: $!";	900	or die "$path: $!";
979		901
980	my $source =	902	my $source =
981	"package $pkg; use strict; use utf8;\n"	903	"package $pkg; use strict; use utf8;\n"
982	. "#line 1 \"$path\"\n{\n"	904	. "#line 1 \"$path\"\n{\n"
983	. (do { local $/; <$fh> })	905	. (do { local $/; <$fh> })
984	. "\n};\n1";	906	. "\n};\n1";
985		907
986	eval $source	908	unless (eval $source) {
987	or die $@ ? "$path: $@\n"	909	my $msg = $@ ? "$path: $@\n"
988	: "extension disabled.\n";	910	: "extension disabled.\n";
989		911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
990	push @exts, $pkg;	912	warn $@;
991	$ext_pkg{$base} = $pkg;	913	warn "mandatory extension failed to load, exiting.\n";
992		914	exit 1;
993	# no strict 'refs';	915	}
994	# @{"$pkg\::ISA"} = ext::;	916	die $@;
995
996	register $base, $pkg;
997	}
998
999	sub unload_extension {
1000	my ($pkg) = @_;
1001
1002	warn "removing extension $pkg\n";
1003
1004	# remove hooks
1005	#TODO
1006	# for my $idx (0 .. $#PLUGIN_EVENT) {
1007	# delete $hook[$idx]{$pkg};
1008	# }	917	}
1009		918
1010	# remove commands	919	push @EXTS, $pkg;
1011	for my $name (keys %COMMAND) {
1012	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1013
1014	if (@cb) {
1015	$COMMAND{$name} = \@cb;
1016	} else {
1017	delete $COMMAND{$name};
1018	}
1019	}
1020
1021	# remove extcmds
1022	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1023	delete $EXTCMD{$name};
1024	}
1025
1026	if (my $cb = $pkg->can ("unload")) {
1027	eval {
1028	$cb->($pkg);
1029	1
1030	} or warn "$pkg unloaded, but with errors: $@";
1031	}
1032
1033	Symbol::delete_package $pkg;
1034	}	920	}
1035		921
1036	sub load_extensions {	922	sub load_extensions {
1037	for my $ext (<$LIBDIR/*.ext>) {	923	for my $ext (<$LIBDIR/*.ext>) {
1038	next unless -r $ext;	924	next unless -r $ext;
…		…
1042	} or warn "$ext not loaded: $@";	928	} or warn "$ext not loaded: $@";
1043	}	929	}
1044	}	930	}
1045		931
1046	#############################################################################	932	#############################################################################
1047	# load/save/clean perl data associated with a map
1048
1049	*cf::mapsupport::on_clean = sub {
1050	my ($map) = @_;
1051
1052	my $path = $map->tmpname;
1053	defined $path or return;
1054
1055	unlink "$path.pst";
1056	};
1057
1058	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1059
1060	#############################################################################
1061	# load/save perl data associated with player->ob objects
1062
1063	sub all_objects(@) {
1064	@_, map all_objects ($_->inv), @_
1065	}
1066
1067	# TODO: compatibility cruft, remove when no longer needed
1068	cf::player->attach (
1069	on_load => sub {
1070	my ($pl, $path) = @_;
1071
1072	for my $o (all_objects $pl->ob) {
1073	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1074	$o->set_ob_key_value ("_perl_data");
1075
1076	%$o = %{ Storable::thaw pack "H*", $value };
1077	}
1078	}
1079	},
1080	);
1081
1082	#############################################################################
1083		933
1084	=head2 CORE EXTENSIONS	934	=head2 CORE EXTENSIONS
1085		935
1086	Functions and methods that extend core crossfire objects.	936	Functions and methods that extend core crossfire objects.
1087		937
		938	=cut
		939
		940	package cf::player;
		941
		942	use Coro::AIO;
		943
1088	=head3 cf::player	944	=head3 cf::player
1089		945
1090	=over 4	946	=over 4
1091		947
1092	=item cf::player::exists $login	948	=item cf::player::find $login
1093		949
1094	Returns true when the given account exists.	950	Returns the given player object, loading it if necessary (might block).
1095		951
1096	=cut	952	=cut
1097		953
1098	sub cf::player::exists($) {	954	sub playerdir($) {
1099	cf::player::find $_[0]	955	cf::localdir
1100	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	my $name = $pl->ob->name;
		1036
		1037	$pl->{deny_save} = 1;
		1038	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1039
		1040	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1041	$pl->deactivate;
		1042	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1043	$pl->ns->destroy if $pl->ns;
		1044
		1045	my $path = playerdir $pl;
		1046	my $temp = "$path~$cf::RUNTIME~deleting~";
		1047	aio_rename $path, $temp;
		1048	delete $cf::PLAYER{$pl->ob->name};
		1049	$pl->destroy;
		1050
		1051	my $prefix = qr<^~\Q$name\E/>;
		1052
		1053	# nuke player maps
		1054	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1055
		1056	IO::AIO::aio_rmtree $temp;
		1057	}
		1058
		1059	=item cf::player::list_logins
		1060
		1061	Returns am arrayref of all valid playernames in the system, can take a
		1062	while and may block, so not sync_job-capable, ever.
		1063
		1064	=cut
		1065
		1066	sub list_logins {
		1067	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1068	or return [];
		1069
		1070	my @logins;
		1071
		1072	for my $login (@$dirs) {
		1073	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1074	aio_read $fh, 0, 512, my $buf, 0 or next;
		1075	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1076
		1077	utf8::decode $login;
		1078	push @logins, $login;
		1079	}
		1080
		1081	\@logins
		1082	}
		1083
		1084	=item $player->maps
		1085
		1086	Returns an arrayref of map paths that are private for this
		1087	player. May block.
		1088
		1089	=cut
		1090
		1091	sub maps($) {
		1092	my ($pl) = @_;
		1093
		1094	$pl = ref $pl ? $pl->ob->name : $pl;
		1095
		1096	my $files = aio_readdir playerdir $pl
		1097	or return;
		1098
		1099	my @paths;
		1100
		1101	for (@$files) {
		1102	utf8::decode $_;
		1103	next if /\.(?:pl|pst)$/;
		1104	next unless /^$PATH_SEP/o;
		1105
		1106	push @paths, cf::map::normalise "~$pl/$_";
		1107	}
		1108
		1109	\@paths
1101	}	1110	}
1102		1111
1103	=item $player->ext_reply ($msgid, $msgtype, %msg)	1112	=item $player->ext_reply ($msgid, $msgtype, %msg)
1104		1113
1105	Sends an ext reply to the player.	1114	Sends an ext reply to the player.
1106		1115
1107	=cut	1116	=cut
1108		1117
1109	sub cf::player::ext_reply($$$%) {	1118	sub ext_reply($$$%) {
1110	my ($self, $id, %msg) = @_;	1119	my ($self, $id, %msg) = @_;
1111		1120
1112	$msg{msgid} = $id;	1121	$msg{msgid} = $id;
1113		1122
1114	$self->send ("ext " . to_json \%msg);	1123	$self->send ("ext " . cf::to_json \%msg);
1115	}	1124	}
		1125
		1126	package cf;
1116		1127
1117	=back	1128	=back
1118		1129
1119		1130
1120	=head3 cf::map	1131	=head3 cf::map
…		…
1126	package cf::map;	1137	package cf::map;
1127		1138
1128	use Fcntl;	1139	use Fcntl;
1129	use Coro::AIO;	1140	use Coro::AIO;
1130		1141
		1142	use overload
		1143	'""' => \&as_string,
		1144	fallback => 1;
		1145
1131	our $MAX_RESET = 7200;	1146	our $MAX_RESET = 3600;
1132	our $DEFAULT_RESET = 3600;	1147	our $DEFAULT_RESET = 3000;
1133		1148
1134	sub generate_random_map {	1149	sub generate_random_map {
1135	my ($path, $rmp) = @_;	1150	my ($self, $rmp) = @_;
1136
1137	# mit "rum" bekleckern, nicht	1151	# mit "rum" bekleckern, nicht
1138	cf::map::_create_random_map	1152	$self->_create_random_map (
1139	$path,
1140	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1153	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1141	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1154	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1142	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1155	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1143	$rmp->{exit_on_final_map},	1156	$rmp->{exit_on_final_map},
1144	$rmp->{xsize}, $rmp->{ysize},	1157	$rmp->{xsize}, $rmp->{ysize},
1145	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1158	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1146	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1159	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1147	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1160	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1148	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1161	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1149	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1162	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1150	(cf::region::find $rmp->{region})	1163	(cf::region::find $rmp->{region}), $rmp->{custom}
		1164	)
		1165	}
		1166
		1167	=item cf::map->register ($regex, $prio)
		1168
		1169	Register a handler for the map path matching the given regex at the
		1170	givne priority (higher is better, built-in handlers have priority 0, the
		1171	default).
		1172
		1173	=cut
		1174
		1175	sub register {
		1176	my (undef, $regex, $prio) = @_;
		1177	my $pkg = caller;
		1178
		1179	no strict;
		1180	push @{"$pkg\::ISA"}, __PACKAGE__;
		1181
		1182	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1183	}
		1184
		1185	# also paths starting with '/'
		1186	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1187
		1188	sub thawer_merge {
		1189	my ($self, $merge) = @_;
		1190
		1191	# we have to keep some variables in memory intact
		1192	local $self->{path};
		1193	local $self->{load_path};
		1194	local $self->{deny_save};
		1195	local $self->{deny_reset};
		1196
		1197	$self->SUPER::thawer_merge ($merge);
		1198	}
		1199
		1200	sub normalise {
		1201	my ($path, $base) = @_;
		1202
		1203	$path = "$path"; # make sure its a string
		1204
		1205	$path =~ s/\.map$//;
		1206
		1207	# map plan:
		1208	#
		1209	# /! non-realised random map exit (special hack!)
		1210	# {... are special paths that are not being touched
		1211	# ?xxx/... are special absolute paths
		1212	# ?random/... random maps
		1213	# /... normal maps
		1214	# ~user/... per-player map of a specific user
		1215
		1216	$path =~ s/$PATH_SEP/\//go;
		1217
		1218	# treat it as relative path if it starts with
		1219	# something that looks reasonable
		1220	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1221	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1222
		1223	$base =~ s{[^/]+/?$}{};
		1224	$path = "$base/$path";
		1225	}
		1226
		1227	for ($path) {
		1228	redo if s{//}{/};
		1229	redo if s{/\.?/}{/};
		1230	redo if s{/[^/]+/\.\./}{/};
		1231	}
		1232
		1233	$path
		1234	}
		1235
		1236	sub new_from_path {
		1237	my (undef, $path, $base) = @_;
		1238
		1239	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1240
		1241	$path = normalise $path, $base;
		1242
		1243	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1244	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1245	my $self = bless cf::map::new, $pkg;
		1246	$self->{path} = $path; $self->path ($path);
		1247	$self->init; # pass $1 etc.
		1248	return $self;
		1249	}
		1250	}
		1251
		1252	Carp::carp "unable to resolve path '$path' (base '$base').";
		1253	()
		1254	}
		1255
		1256	sub init {
		1257	my ($self) = @_;
		1258
		1259	$self
		1260	}
		1261
		1262	sub as_string {
		1263	my ($self) = @_;
		1264
		1265	"$self->{path}"
		1266	}
		1267
		1268	# the displayed name, this is a one way mapping
		1269	sub visible_name {
		1270	&as_string
		1271	}
		1272
		1273	# the original (read-only) location
		1274	sub load_path {
		1275	my ($self) = @_;
		1276
		1277	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1278	}
		1279
		1280	# the temporary/swap location
		1281	sub save_path {
		1282	my ($self) = @_;
		1283
		1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1285	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1286	}
		1287
		1288	# the unique path, undef == no special unique path
		1289	sub uniq_path {
		1290	my ($self) = @_;
		1291
		1292	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1293	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1151	}	1294	}
1152		1295
1153	# and all this just because we cannot iterate over	1296	# and all this just because we cannot iterate over
1154	# all maps in C++...	1297	# all maps in C++...
1155	sub change_all_map_light {	1298	sub change_all_map_light {
1156	my ($change) = @_;	1299	my ($change) = @_;
1157		1300
1158	$_->change_map_light ($change) for values %cf::MAP;	1301	$_->change_map_light ($change)
		1302	for grep $_->outdoor, values %cf::MAP;
1159	}	1303	}
1160		1304
		1305	sub unlink_save {
		1306	my ($self) = @_;
		1307
		1308	utf8::encode (my $save = $self->save_path);
		1309	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1311	}
		1312
1161	sub try_load_header($) {	1313	sub load_header_from($) {
1162	my ($path) = @_;	1314	my ($self, $path) = @_;
1163		1315
1164	utf8::encode $path;	1316	utf8::encode $path;
1165	aio_open $path, O_RDONLY, 0	1317	#aio_open $path, O_RDONLY, 0
		1318	# or return;
		1319
		1320	$self->_load_header ($path)
1166	or return;	1321	or return;
1167		1322
1168	my $map = cf::map::new	1323	$self->{load_path} = $path;
		1324
		1325	1
		1326	}
		1327
		1328	sub load_header_orig {
		1329	my ($self) = @_;
		1330
		1331	$self->load_header_from ($self->load_path)
		1332	}
		1333
		1334	sub load_header_temp {
		1335	my ($self) = @_;
		1336
		1337	$self->load_header_from ($self->save_path)
		1338	}
		1339
		1340	sub prepare_temp {
		1341	my ($self) = @_;
		1342
		1343	$self->last_access ((delete $self->{last_access})
		1344	|| $cf::RUNTIME); #d#
		1345	# safety
		1346	$self->{instantiate_time} = $cf::RUNTIME
		1347	if $self->{instantiate_time} > $cf::RUNTIME;
		1348	}
		1349
		1350	sub prepare_orig {
		1351	my ($self) = @_;
		1352
		1353	$self->{load_original} = 1;
		1354	$self->{instantiate_time} = $cf::RUNTIME;
		1355	$self->last_access ($cf::RUNTIME);
		1356	$self->instantiate;
		1357	}
		1358
		1359	sub load_header {
		1360	my ($self) = @_;
		1361
		1362	if ($self->load_header_temp) {
		1363	$self->prepare_temp;
		1364	} else {
		1365	$self->load_header_orig
1169	or return;	1366	or return;
		1367	$self->prepare_orig;
		1368	}
1170		1369
1171	$map->load_header ($path)	1370	1
1172	or return;
1173
1174	$map->{load_path} = $path;
1175
1176	$map
1177	}	1371	}
1178		1372
		1373	sub find;
1179	sub find_map {	1374	sub find {
1180	my ($path, $origin) = @_;	1375	my ($path, $origin) = @_;
1181		1376
1182	#warn "find_map<$path,$origin>\n";#d#
1183
1184	$path = new cf::path $path, $origin && $origin->path;	1377	$path = normalise $path, $origin && $origin->path;
1185	my $key = $path->as_string;
1186		1378
1187	cf::lock_wait "map_find:$key";	1379	cf::lock_wait "map_find:$path";
1188		1380
1189	$cf::MAP{$key} || do {	1381	$cf::MAP{$path} || do {
1190	my $guard = cf::lock_acquire "map_find:$key";	1382	my $guard = cf::lock_acquire "map_find:$path";
1191		1383	my $map = new_from_path cf::map $path
1192	# do it the slow way
1193	my $map = try_load_header $path->save_path;
1194
1195	if ($map) {
1196	# safety
1197	$map->{instantiate_time} = $cf::RUNTIME
1198	if $map->{instantiate_time} > $cf::RUNTIME;
1199	} else {
1200	if (my $rmp = $path->random_map_params) {
1201	$map = generate_random_map $key, $rmp;
1202	} else {
1203	$map = try_load_header $path->load_path;
1204	}
1205
1206	$map or return;	1384	or return;
1207		1385
1208	$map->{load_original} = 1;
1209	$map->{instantiate_time} = $cf::RUNTIME;
1210	$map->instantiate;
1211
1212	# per-player maps become, after loading, normal maps
1213	$map->per_player (0) if $path->{user_rel};
1214	}
1215
1216	$map->path ($key);
1217	$map->{path} = $path;
1218	$map->{last_save} = $cf::RUNTIME;	1386	$map->{last_save} = $cf::RUNTIME;
1219	$map->last_access ($cf::RUNTIME);
1220		1387
1221	if ($map->should_reset) {	1388	$map->load_header
		1389	or return;
		1390
		1391	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1392	# doing this can freeze the server in a sync job, obviously
		1393	#$cf::WAIT_FOR_TICK->wait;
1222	$map->reset;	1394	$map->reset;
1223	$map = find_map $path;	1395	undef $guard;
		1396	return find $path;
1224	}	1397	}
1225		1398
1226	$cf::MAP{$key} = $map	1399	$cf::MAP{$path} = $map
1227	}	1400	}
1228	}	1401	}
		1402
		1403	sub pre_load { }
		1404	sub post_load { }
1229		1405
1230	sub load {	1406	sub load {
1231	my ($self) = @_;	1407	my ($self) = @_;
1232		1408
		1409	local $self->{deny_reset} = 1; # loading can take a long time
		1410
1233	my $path = $self->{path};	1411	my $path = $self->{path};
1234	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1412	my $guard = cf::lock_acquire "map_load:$path";
1235		1413
1236	return if $self->in_memory != cf::MAP_SWAPPED;	1414	return if $self->in_memory != cf::MAP_SWAPPED;
1237		1415
1238	$self->in_memory (cf::MAP_LOADING);	1416	$self->in_memory (cf::MAP_LOADING);
1239		1417
1240	$self->alloc;	1418	$self->alloc;
		1419
		1420	$self->pre_load;
		1421
1241	$self->load_objects ($self->{load_path}, 1)	1422	$self->_load_objects ($self->{load_path}, 1)
1242	or return;	1423	or return;
1243		1424
1244	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1425	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1245	if delete $self->{load_original};	1426	if delete $self->{load_original};
1246		1427
1247	if (my $uniq = $path->uniq_path) {	1428	if (my $uniq = $self->uniq_path) {
1248	utf8::encode $uniq;	1429	utf8::encode $uniq;
1249	if (aio_open $uniq, O_RDONLY, 0) {	1430	if (aio_open $uniq, O_RDONLY, 0) {
1250	$self->clear_unique_items;	1431	$self->clear_unique_items;
1251	$self->load_objects ($uniq, 0);	1432	$self->_load_objects ($uniq, 0);
1252	}	1433	}
1253	}	1434	}
		1435
		1436	Coro::cede;
1254		1437
1255	# now do the right thing for maps	1438	# now do the right thing for maps
1256	$self->link_multipart_objects;	1439	$self->link_multipart_objects;
1257		1440
1258	if ($self->{path}->is_style_map) {	1441	unless ($self->{deny_activate}) {
1259	$self->{deny_save} = 1;	1442	$self->decay_objects;
1260	$self->{deny_reset} = 1;
1261	} else {
1262	$self->fix_auto_apply;	1443	$self->fix_auto_apply;
1263	$self->decay_objects;
1264	$self->update_buttons;	1444	$self->update_buttons;
		1445	Coro::cede;
1265	$self->set_darkness_map;	1446	$self->set_darkness_map;
1266	$self->difficulty ($self->estimate_difficulty)	1447	$self->difficulty ($self->estimate_difficulty)
1267	unless $self->difficulty;	1448	unless $self->difficulty;
		1449	Coro::cede;
1268	$self->activate;	1450	$self->activate;
1269	}	1451	}
1270		1452
		1453	$self->post_load;
		1454
1271	$self->in_memory (cf::MAP_IN_MEMORY);	1455	$self->in_memory (cf::MAP_IN_MEMORY);
1272	}	1456	}
1273		1457
1274	sub load_map_sync {	1458	sub customise_for {
		1459	my ($self, $ob) = @_;
		1460
		1461	return find "~" . $ob->name . "/" . $self->{path}
		1462	if $self->per_player;
		1463
		1464	$self
		1465	}
		1466
		1467	# find and load all maps in the 3x3 area around a map
		1468	sub load_diag {
		1469	my ($map) = @_;
		1470
		1471	my @diag; # diagonal neighbours
		1472
		1473	for (0 .. 3) {
		1474	my $neigh = $map->tile_path ($_)
		1475	or next;
		1476	$neigh = find $neigh, $map
		1477	or next;
		1478	$neigh->load;
		1479
		1480	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1481	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1482	}
		1483
		1484	for (@diag) {
		1485	my $neigh = find @$_
		1486	or next;
		1487	$neigh->load;
		1488	}
		1489	}
		1490
		1491	sub find_sync {
1275	my ($path, $origin) = @_;	1492	my ($path, $origin) = @_;
1276		1493
1277	#warn "load_map_sync<$path, $origin>\n";#d#	1494	cf::sync_job { find $path, $origin }
		1495	}
1278		1496
1279	cf::sync_job {	1497	sub do_load_sync {
1280	my $map = cf::map::find_map $path, $origin	1498	my ($map) = @_;
1281	or return;	1499
		1500	cf::sync_job { $map->load };
		1501	}
		1502
		1503	our %MAP_PREFETCH;
		1504	our $MAP_PREFETCHER = undef;
		1505
		1506	sub find_async {
		1507	my ($path, $origin) = @_;
		1508
		1509	$path = normalise $path, $origin && $origin->{path};
		1510
		1511	if (my $map = $cf::MAP{$path}) {
		1512	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1513	}
		1514
		1515	undef $MAP_PREFETCH{$path};
		1516	$MAP_PREFETCHER ||= cf::async {
		1517	while (%MAP_PREFETCH) {
		1518	for my $path (keys %MAP_PREFETCH) {
		1519	my $map = find $path
		1520	or next;
1282	$map->load;	1521	$map->load;
1283	$map	1522
		1523	delete $MAP_PREFETCH{$path};
		1524	}
		1525	}
		1526	undef $MAP_PREFETCHER;
1284	}	1527	};
		1528	$MAP_PREFETCHER->prio (6);
		1529
		1530	()
1285	}	1531	}
1286		1532
1287	sub save {	1533	sub save {
1288	my ($self) = @_;	1534	my ($self) = @_;
1289		1535
		1536	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1537
1290	$self->{last_save} = $cf::RUNTIME;	1538	$self->{last_save} = $cf::RUNTIME;
1291		1539
1292	return unless $self->dirty;	1540	return unless $self->dirty;
1293		1541
1294	my $save = $self->{path}->save_path; utf8::encode $save;	1542	my $save = $self->save_path; utf8::encode $save;
1295	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1543	my $uniq = $self->uniq_path; utf8::encode $uniq;
1296		1544
1297	$self->{load_path} = $save;	1545	$self->{load_path} = $save;
1298		1546
1299	return if $self->{deny_save};	1547	return if $self->{deny_save};
1300		1548
		1549	local $self->{last_access} = $self->last_access;#d#
		1550
		1551	cf::async {
		1552	$_->contr->save for $self->players;
		1553	};
		1554
1301	if ($uniq) {	1555	if ($uniq) {
1302	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1556	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1303	$self->save_objects ($uniq, cf::IO_UNIQUES);	1557	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1304	} else {	1558	} else {
1305	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1306	}	1560	}
1307	}	1561	}
1308		1562
1309	sub swap_out {	1563	sub swap_out {
1310	my ($self) = @_;	1564	my ($self) = @_;
		1565
		1566	# save first because save cedes
		1567	$self->save;
		1568
		1569	my $lock = cf::lock_acquire "map_data:" . $self->path;
1311		1570
1312	return if $self->players;	1571	return if $self->players;
1313	return if $self->in_memory != cf::MAP_IN_MEMORY;	1572	return if $self->in_memory != cf::MAP_IN_MEMORY;
1314	return if $self->{deny_save};	1573	return if $self->{deny_save};
1315		1574
1316	$self->save;
1317	$self->clear;	1575	$self->clear;
1318	$self->in_memory (cf::MAP_SWAPPED);	1576	$self->in_memory (cf::MAP_SWAPPED);
1319	}	1577	}
1320		1578
1321	sub reset_at {	1579	sub reset_at {
1322	my ($self) = @_;	1580	my ($self) = @_;
1323		1581
1324	# TODO: safety, remove and allow resettable per-player maps	1582	# TODO: safety, remove and allow resettable per-player maps
1325	return 1e99 if $self->{path}{user_rel};	1583	return 1e99 if $self->isa ("ext::map_per_player");#d#
1326	return 1e99 if $self->{deny_reset};	1584	return 1e99 if $self->{deny_reset};
1327		1585
1328	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1586	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1329	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1587	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1330		1588
…		…
1335	my ($self) = @_;	1593	my ($self) = @_;
1336		1594
1337	$self->reset_at <= $cf::RUNTIME	1595	$self->reset_at <= $cf::RUNTIME
1338	}	1596	}
1339		1597
1340	sub unlink_save {
1341	my ($self) = @_;
1342
1343	utf8::encode (my $save = $self->{path}->save_path);
1344	aioreq_pri 3; IO::AIO::aio_unlink $save;
1345	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1346	}
1347
1348	sub rename {
1349	my ($self, $new_path) = @_;
1350
1351	$self->unlink_save;
1352
1353	delete $cf::MAP{$self->path};
1354	$self->{path} = new cf::path $new_path;
1355	$self->path ($self->{path}->as_string);
1356	$cf::MAP{$self->path} = $self;
1357
1358	$self->save;
1359	}
1360
1361	sub reset {	1598	sub reset {
1362	my ($self) = @_;	1599	my ($self) = @_;
1363		1600
		1601	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1602
1364	return if $self->players;	1603	return if $self->players;
1365	return if $self->{path}{user_rel};#d#	1604	return if $self->isa ("ext::map_per_player");#d#
1366		1605
1367	warn "resetting map ", $self->path;#d#	1606	warn "resetting map ", $self->path;#d#
1368		1607
		1608	$self->in_memory (cf::MAP_SWAPPED);
		1609
		1610	# need to save uniques path
		1611	unless ($self->{deny_save}) {
		1612	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1613
		1614	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1615	if $uniq;
		1616	}
		1617
1369	delete $cf::MAP{$self->path};	1618	delete $cf::MAP{$self->path};
		1619
		1620	$self->clear;
1370		1621
1371	$_->clear_links_to ($self) for values %cf::MAP;	1622	$_->clear_links_to ($self) for values %cf::MAP;
1372		1623
1373	$self->unlink_save;	1624	$self->unlink_save;
1374	$self->destroy;	1625	$self->destroy;
…		…
1377	my $nuke_counter = "aaaa";	1628	my $nuke_counter = "aaaa";
1378		1629
1379	sub nuke {	1630	sub nuke {
1380	my ($self) = @_;	1631	my ($self) = @_;
1381		1632
		1633	delete $cf::MAP{$self->path};
		1634
		1635	$self->unlink_save;
		1636
		1637	bless $self, "cf::map";
		1638	delete $self->{deny_reset};
1382	$self->{deny_save} = 1;	1639	$self->{deny_save} = 1;
1383	$self->reset_timeout (1);	1640	$self->reset_timeout (1);
1384	$self->rename ("{nuke}/" . ($nuke_counter++));	1641	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1642
		1643	$cf::MAP{$self->path} = $self;
		1644
1385	$self->reset; # polite request, might not happen	1645	$self->reset; # polite request, might not happen
1386	}	1646	}
1387		1647
1388	sub customise_for {	1648	=item cf::map::unique_maps
1389	my ($map, $ob) = @_;
1390		1649
1391	if ($map->per_player) {	1650	Returns an arrayref of paths of all shared maps that have
1392	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1651	instantiated unique items. May block.
1393	}
1394		1652
1395	$map	1653	=cut
1396	}
1397		1654
1398	sub emergency_save {	1655	sub unique_maps() {
1399	local $cf::FREEZE = 1;	1656	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1657	or return;
1400		1658
1401	warn "enter emergency map save\n";	1659	my @paths;
1402		1660
1403	cf::sync_job {	1661	for (@$files) {
1404	warn "begin emergency map save\n";	1662	utf8::decode $_;
1405	$_->save for values %cf::MAP;	1663	next if /\.pst$/;
		1664	next unless /^$PATH_SEP/o;
		1665
		1666	push @paths, cf::map::normalise $_;
1406	};	1667	}
1407		1668
1408	warn "end emergency map save\n";	1669	\@paths
1409	}	1670	}
1410		1671
1411	package cf;	1672	package cf;
1412		1673
1413	=back	1674	=back
1414		1675
		1676	=head3 cf::object
		1677
		1678	=cut
		1679
		1680	package cf::object;
		1681
		1682	=over 4
		1683
		1684	=item $ob->inv_recursive
		1685
		1686	Returns the inventory of the object _and_ their inventories, recursively.
		1687
		1688	=cut
		1689
		1690	sub inv_recursive_;
		1691	sub inv_recursive_ {
		1692	map { $_, inv_recursive_ $_->inv } @_
		1693	}
		1694
		1695	sub inv_recursive {
		1696	inv_recursive_ inv $_[0]
		1697	}
		1698
		1699	package cf;
		1700
		1701	=back
1415		1702
1416	=head3 cf::object::player	1703	=head3 cf::object::player
1417		1704
1418	=over 4	1705	=over 4
1419		1706
…		…
1459		1746
1460	=item $player_object->enter_link	1747	=item $player_object->enter_link
1461		1748
1462	Freezes the player and moves him/her to a special map (C<{link}>).	1749	Freezes the player and moves him/her to a special map (C<{link}>).
1463		1750
1464	The player should be reaosnably safe there for short amounts of time. You	1751	The player should be reasonably safe there for short amounts of time. You
1465	I<MUST> call C<leave_link> as soon as possible, though.	1752	I<MUST> call C<leave_link> as soon as possible, though.
1466		1753
		1754	Will never block.
		1755
1467	=item $player_object->leave_link ($map, $x, $y)	1756	=item $player_object->leave_link ($map, $x, $y)
1468		1757
1469	Moves the player out of the specila link map onto the given map. If the	1758	Moves the player out of the special C<{link}> map onto the specified
1470	map is not valid (or omitted), the player will be moved back to the	1759	map. If the map is not valid (or omitted), the player will be moved back
1471	location he/she was before the call to C<enter_link>, or, if that fails,	1760	to the location he/she was before the call to C<enter_link>, or, if that
1472	to the emergency map position.	1761	fails, to the emergency map position.
1473		1762
1474	Might block.	1763	Might block.
1475		1764
1476	=cut	1765	=cut
		1766
		1767	sub link_map {
		1768	unless ($LINK_MAP) {
		1769	$LINK_MAP = cf::map::find "{link}"
		1770	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1771	$LINK_MAP->load;
		1772	}
		1773
		1774	$LINK_MAP
		1775	}
1477		1776
1478	sub cf::object::player::enter_link {	1777	sub cf::object::player::enter_link {
1479	my ($self) = @_;	1778	my ($self) = @_;
1480		1779
1481	$self->deactivate_recursive;	1780	$self->deactivate_recursive;
1482		1781
1483	return if $self->map == $LINK_MAP;	1782	return if UNIVERSAL::isa $self->map, "ext::map_link";
1484		1783
1485	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1784	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1486	if $self->map;	1785	if $self->map;
1487		1786
1488	$self->enter_map ($LINK_MAP, 20, 20);	1787	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1489	}	1788	}
1490		1789
1491	sub cf::object::player::leave_link {	1790	sub cf::object::player::leave_link {
1492	my ($self, $map, $x, $y) = @_;	1791	my ($self, $map, $x, $y) = @_;
1493		1792
1494	my $link_pos = delete $self->{_link_pos};	1793	my $link_pos = delete $self->{_link_pos};
1495		1794
1496	unless ($map) {	1795	unless ($map) {
1497	# restore original map position	1796	# restore original map position
1498	($map, $x, $y) = @{ $link_pos || [] };	1797	($map, $x, $y) = @{ $link_pos || [] };
1499	$map = cf::map::find_map $map;	1798	$map = cf::map::find $map;
1500		1799
1501	unless ($map) {	1800	unless ($map) {
1502	($map, $x, $y) = @$EMERGENCY_POSITION;	1801	($map, $x, $y) = @$EMERGENCY_POSITION;
1503	$map = cf::map::find_map $map	1802	$map = cf::map::find $map
1504	or die "FATAL: cannot load emergency map\n";	1803	or die "FATAL: cannot load emergency map\n";
1505	}	1804	}
1506	}	1805	}
1507		1806
1508	($x, $y) = (-1, -1)	1807	($x, $y) = (-1, -1)
…		…
1511	# use -1 or undef as default coordinates, not 0, 0	1810	# use -1 or undef as default coordinates, not 0, 0
1512	($x, $y) = ($map->enter_x, $map->enter_y)	1811	($x, $y) = ($map->enter_x, $map->enter_y)
1513	if $x <=0 && $y <= 0;	1812	if $x <=0 && $y <= 0;
1514		1813
1515	$map->load;	1814	$map->load;
		1815	$map->load_diag;
1516		1816
		1817	return unless $self->contr->active;
1517	$self->activate_recursive;	1818	$self->activate_recursive;
		1819
		1820	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1518	$self->enter_map ($map, $x, $y);	1821	$self->enter_map ($map, $x, $y);
1519	}	1822	}
1520		1823
1521	cf::player->attach (	1824	cf::player->attach (
1522	on_logout => sub {	1825	on_logout => sub {
…		…
1534		1837
1535	# try to abort aborted map switching on player login :)	1838	# try to abort aborted map switching on player login :)
1536	# should happen only on crashes	1839	# should happen only on crashes
1537	if ($pl->ob->{_link_pos}) {	1840	if ($pl->ob->{_link_pos}) {
1538	$pl->ob->enter_link;	1841	$pl->ob->enter_link;
1539	Coro::async {	1842	(async {
		1843	$pl->ob->reply (undef,
		1844	"There was an internal problem at your last logout, "
		1845	. "the server will try to bring you to your intended destination in a second.",
		1846	cf::NDI_RED);
1540	# we need this sleep as the login has a concurrent enter_exit running	1847	# we need this sleep as the login has a concurrent enter_exit running
1541	# and this sleep increases chances of the player not ending up in scorn	1848	# and this sleep increases chances of the player not ending up in scorn
1542	Coro::Timer::sleep 1;	1849	Coro::Timer::sleep 1;
1543	$pl->ob->leave_link;	1850	$pl->ob->leave_link;
1544	};	1851	})->prio (2);
1545	}	1852	}
1546	},	1853	},
1547	);	1854	);
1548		1855
1549	=item $player_object->goto_map ($path, $x, $y)	1856	=item $player_object->goto ($path, $x, $y)
1550		1857
1551	=cut	1858	=cut
1552		1859
1553	sub cf::object::player::goto_map {	1860	sub cf::object::player::goto {
1554	my ($self, $path, $x, $y) = @_;	1861	my ($self, $path, $x, $y) = @_;
1555		1862
1556	$self->enter_link;	1863	$self->enter_link;
1557		1864
1558	(Coro::async {	1865	(async {
1559	$path = new cf::path $path;	1866	my $map = eval {
1560
1561	my $map = cf::map::find_map $path->as_string;	1867	my $map = cf::map::find $path;
1562	$map = $map->customise_for ($self) if $map;	1868	$map = $map->customise_for ($self) if $map;
1563		1869	$map
1564	# warn "entering ", $map->path, " at ($x, $y)\n"	1870	} or
1565	# if $map;
1566
1567	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1871	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1568		1872
1569	$self->leave_link ($map, $x, $y);	1873	$self->leave_link ($map, $x, $y);
1570	})->prio (1);	1874	})->prio (1);
1571	}	1875	}
1572		1876
…		…
1576		1880
1577	sub parse_random_map_params {	1881	sub parse_random_map_params {
1578	my ($spec) = @_;	1882	my ($spec) = @_;
1579		1883
1580	my $rmp = { # defaults	1884	my $rmp = { # defaults
1581	xsize => 10,	1885	xsize => (cf::rndm 15, 40),
1582	ysize => 10,	1886	ysize => (cf::rndm 15, 40),
		1887	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1888	#layout => string,
1583	};	1889	};
1584		1890
1585	for (split /\n/, $spec) {	1891	for (split /\n/, $spec) {
1586	my ($k, $v) = split /\s+/, $_, 2;	1892	my ($k, $v) = split /\s+/, $_, 2;
1587		1893
…		…
1591	$rmp	1897	$rmp
1592	}	1898	}
1593		1899
1594	sub prepare_random_map {	1900	sub prepare_random_map {
1595	my ($exit) = @_;	1901	my ($exit) = @_;
		1902
		1903	my $guard = cf::lock_acquire "exit_prepare:$exit";
1596		1904
1597	# all this does is basically replace the /! path by	1905	# all this does is basically replace the /! path by
1598	# a new random map path (?random/...) with a seed	1906	# a new random map path (?random/...) with a seed
1599	# that depends on the exit object	1907	# that depends on the exit object
1600		1908
1601	my $rmp = parse_random_map_params $exit->msg;	1909	my $rmp = parse_random_map_params $exit->msg;
1602		1910
1603	if ($exit->map) {	1911	if ($exit->map) {
1604	$rmp->{region} = $exit->map->region_name;	1912	$rmp->{region} = $exit->region->name;
1605	$rmp->{origin_map} = $exit->map->path;	1913	$rmp->{origin_map} = $exit->map->path;
1606	$rmp->{origin_x} = $exit->x;	1914	$rmp->{origin_x} = $exit->x;
1607	$rmp->{origin_y} = $exit->y;	1915	$rmp->{origin_y} = $exit->y;
1608	}	1916	}
1609		1917
1610	$rmp->{random_seed} ||= $exit->random_seed;	1918	$rmp->{random_seed} ||= $exit->random_seed;
1611		1919
1612	my $data = cf::to_json $rmp;	1920	my $data = cf::to_json $rmp;
1613	my $md5 = Digest::MD5::md5_hex $data;	1921	my $md5 = Digest::MD5::md5_hex $data;
		1922	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1614		1923
1615	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1924	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1616	aio_write $fh, 0, (length $data), $data, 0;	1925	aio_write $fh, 0, (length $data), $data, 0;
		1926	undef $fh;
		1927	aio_rename "$meta~", $meta;
1617		1928
1618	$exit->slaying ("?random/$md5");	1929	$exit->slaying ("?random/$md5");
1619	$exit->msg (undef);	1930	$exit->msg (undef);
1620	}	1931	}
1621	}	1932	}
…		…
1623	sub cf::object::player::enter_exit {	1934	sub cf::object::player::enter_exit {
1624	my ($self, $exit) = @_;	1935	my ($self, $exit) = @_;
1625		1936
1626	return unless $self->type == cf::PLAYER;	1937	return unless $self->type == cf::PLAYER;
1627		1938
		1939	if ($exit->slaying eq "/!") {
		1940	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1941	cf::sync_job { prepare_random_map $exit };
		1942	}
		1943
		1944	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1945	my $hp = $exit->stats->hp;
		1946	my $sp = $exit->stats->sp;
		1947
1628	$self->enter_link;	1948	$self->enter_link;
1629		1949
1630	(Coro::async {	1950	(async {
		1951	$self->deactivate_recursive; # just to be sure
1631	unless (eval {	1952	unless (eval {
1632		1953	$self->goto ($slaying, $hp, $sp);
1633	prepare_random_map $exit
1634	if $exit->slaying eq "/!";
1635
1636	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1637	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1638		1954
1639	1;	1955	1;
1640	}) {	1956	}) {
1641	$self->message ("Something went wrong deep within the crossfire server. "	1957	$self->message ("Something went wrong deep within the crossfire server. "
1642	. "I'll try to bring you back to the map you were before. "	1958	. "I'll try to bring you back to the map you were before. "
1643	. "Please report this to the dungeon master",	1959	. "Please report this to the dungeon master!",
1644	cf::NDI_UNIQUE | cf::NDI_RED);	1960	cf::NDI_UNIQUE | cf::NDI_RED);
1645		1961
1646	warn "ERROR in enter_exit: $@";	1962	warn "ERROR in enter_exit: $@";
1647	$self->leave_link;	1963	$self->leave_link;
1648	}	1964	}
…		…
1699	on_reply => sub {	2015	on_reply => sub {
1700	my ($ns, $msg) = @_;	2016	my ($ns, $msg) = @_;
1701		2017
1702	# this weird shuffling is so that direct followup queries	2018	# this weird shuffling is so that direct followup queries
1703	# get handled first	2019	# get handled first
1704	my $queue = delete $ns->{query_queue};	2020	my $queue = delete $ns->{query_queue}
		2021	or return; # be conservative, not sure how that can happen, but we saw a crash here
1705		2022
1706	(shift @$queue)->[1]->($msg);	2023	(shift @$queue)->[1]->($msg);
		2024	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1707		2025
1708	push @{ $ns->{query_queue} }, @$queue;	2026	push @{ $ns->{query_queue} }, @$queue;
1709		2027
1710	if (@{ $ns->{query_queue} } == @$queue) {	2028	if (@{ $ns->{query_queue} } == @$queue) {
1711	if (@$queue) {	2029	if (@$queue) {
…		…
1715	}	2033	}
1716	}	2034	}
1717	},	2035	},
1718	);	2036	);
1719		2037
1720	=item $client->coro (\&cb)	2038	=item $client->async (\&cb)
1721		2039
1722	Create a new coroutine, running the specified callback. The coroutine will	2040	Create a new coroutine, running the specified callback. The coroutine will
1723	be automatically cancelled when the client gets destroyed (e.g. on logout,	2041	be automatically cancelled when the client gets destroyed (e.g. on logout,
1724	or loss of connection).	2042	or loss of connection).
1725		2043
1726	=cut	2044	=cut
1727		2045
1728	sub cf::client::coro {	2046	sub cf::client::async {
1729	my ($self, $cb) = @_;	2047	my ($self, $cb) = @_;
1730		2048
1731	my $coro; $coro = async {	2049	my $coro = &Coro::async ($cb);
1732	eval {
1733	$cb->();
1734	};
1735	warn $@ if $@;
1736	};
1737		2050
1738	$coro->on_destroy (sub {	2051	$coro->on_destroy (sub {
1739	delete $self->{_coro}{$coro+0};	2052	delete $self->{_coro}{$coro+0};
1740	});	2053	});
1741		2054
…		…
1877	The parameter C<$family> should best start with the name of the extension	2190	The parameter C<$family> should best start with the name of the extension
1878	using it, it should be unique.	2191	using it, it should be unique.
1879		2192
1880	=over 4	2193	=over 4
1881		2194
1882	=item $hashref = cf::db_get $family
1883
1884	Return a hashref for use by the extension C<$family>, which can be
1885	modified. After modifications, you have to call C<cf::db_dirty> or
1886	C<cf::db_sync>.
1887
1888	=item $value = cf::db_get $family => $key	2195	=item $value = cf::db_get $family => $key
1889		2196
1890	Returns a single value from the database	2197	Returns a single value from the database.
1891
1892	=item cf::db_put $family => $hashref
1893
1894	Stores the given family hashref into the database. Updates are delayed, if
1895	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1896		2198
1897	=item cf::db_put $family => $key => $value	2199	=item cf::db_put $family => $key => $value
1898		2200
1899	Stores the given C<$value> in the family hash. Updates are delayed, if you	2201	Stores the given C<$value> in the family.
1900	want the data to be synced to disk immediately, use C<cf::db_sync>.
1901
1902	=item cf::db_dirty
1903
1904	Marks the database as dirty, to be updated at a later time.
1905
1906	=item cf::db_sync
1907
1908	Immediately write the database to disk I<if it is dirty>.
1909		2202
1910	=cut	2203	=cut
1911		2204
1912	our $DB;	2205	our $DB;
1913		2206
1914	{	2207	sub db_init {
		2208	unless ($DB) {
		2209	$DB = BDB::db_create $DB_ENV;
		2210
		2211	cf::sync_job {
		2212	eval {
		2213	$DB->set_flags (BDB::CHKSUM);
		2214
		2215	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2216	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2217	cf::cleanup "db_open(db): $!" if $!;
		2218	};
		2219	cf::cleanup "db_open(db): $@" if $@;
		2220	};
		2221
1915	my $path = cf::localdir . "/database.pst";	2222	my $path = cf::localdir . "/database.pst";
		2223	if (stat $path) {
		2224	cf::sync_job {
		2225	my $pst = Storable::retrieve $path;
1916		2226
1917	sub db_load() {	2227	cf::db_put (board => data => $pst->{board});
1918	$DB = stat $path ? Storable::retrieve $path : { };	2228	cf::db_put (guildrules => data => $pst->{guildrules});
1919	}	2229	cf::db_put (rent => balance => $pst->{rent}{balance});
		2230	BDB::db_env_txn_checkpoint $DB_ENV;
1920		2231
1921	my $pid;	2232	unlink $path;
1922
1923	sub db_save() {
1924	waitpid $pid, 0 if $pid;
1925	if (0 == ($pid = fork)) {
1926	$DB->{_meta}{version} = 1;
1927	Storable::nstore $DB, "$path~";
1928	rename "$path~", $path;
1929	cf::_exit 0 if defined $pid;
1930	}	2233	};
1931	}
1932
1933	my $dirty;
1934
1935	sub db_sync() {
1936	db_save if $dirty;
1937	undef $dirty;
1938	}
1939
1940	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1941	db_sync;
1942	});
1943
1944	sub db_dirty() {
1945	$dirty = 1;
1946	$idle->start;
1947	}
1948
1949	sub db_get($;$) {
1950	@_ >= 2
1951	? $DB->{$_[0]}{$_[1]}
1952	: ($DB->{$_[0]} ||= { })
1953	}
1954
1955	sub db_put($$;$) {
1956	if (@_ >= 3) {
1957	$DB->{$_[0]}{$_[1]} = $_[2];
1958	} else {
1959	$DB->{$_[0]} = $_[1];
1960	}
1961	db_dirty;
1962	}
1963
1964	cf::global->attach (
1965	prio => 10000,
1966	on_cleanup => sub {
1967	db_sync;
1968	},	2234	}
1969	);	2235	}
		2236	}
		2237
		2238	sub db_get($$) {
		2239	my $key = "$_[0]/$_[1]";
		2240
		2241	cf::sync_job {
		2242	BDB::db_get $DB, undef, $key, my $data;
		2243
		2244	$! ? ()
		2245	: Compress::LZF::sthaw $data
		2246	}
		2247	}
		2248
		2249	sub db_put($$$) {
		2250	BDB::dbreq_pri 4;
		2251	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1970	}	2252	}
1971		2253
1972	#############################################################################	2254	#############################################################################
1973	# the server's main()	2255	# the server's init and main functions
		2256
		2257	sub init_resources {
		2258	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2259	or die "unable to load regions file\n";#d#
		2260	}
1974		2261
1975	sub cfg_load {	2262	sub cfg_load {
1976	open my $fh, "<:utf8", cf::confdir . "/config"	2263	open my $fh, "<:utf8", cf::confdir . "/config"
1977	or return;	2264	or return;
1978		2265
1979	local $/;	2266	local $/;
1980	*CFG = YAML::Syck::Load <$fh>;	2267	*CFG = YAML::Syck::Load <$fh>;
		2268
		2269	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2270
		2271	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2272	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2273
		2274	if (exists $CFG{mlockall}) {
		2275	eval {
		2276	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2277	and die "WARNING: m(un)lockall failed: $!\n";
		2278	};
		2279	warn $@ if $@;
		2280	}
		2281	}
		2282
		2283	sub init {
		2284	init_resources;
1981	}	2285	}
1982		2286
1983	sub main {	2287	sub main {
1984	# we must not ever block the main coroutine	2288	# we must not ever block the main coroutine
1985	local $Coro::idle = sub {	2289	local $Coro::idle = sub {
1986	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2290	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1987	(Coro::unblock_sub {	2291	(async {
1988	Event::one_event;	2292	Event::one_event;
1989	})->();	2293	})->prio (Coro::PRIO_MAX);
1990	};	2294	};
1991		2295
1992	cfg_load;	2296	cfg_load;
1993	db_load;	2297	db_init;
1994	load_extensions;	2298	load_extensions;
		2299
		2300	$TICK_WATCHER->start;
1995	Event::loop;	2301	Event::loop;
1996	}	2302	}
1997		2303
1998	#############################################################################	2304	#############################################################################
1999	# initialisation	2305	# initialisation and cleanup
		2306
		2307	# install some emergency cleanup handlers
		2308	BEGIN {
		2309	for my $signal (qw(INT HUP TERM)) {
		2310	Event->signal (
		2311	reentrant => 0,
		2312	data => WF_AUTOCANCEL,
		2313	signal => $signal,
		2314	prio => 0,
		2315	cb => sub {
		2316	cf::cleanup "SIG$signal";
		2317	},
		2318	);
		2319	}
		2320	}
		2321
		2322	sub emergency_save() {
		2323	my $freeze_guard = cf::freeze_mainloop;
		2324
		2325	warn "enter emergency perl save\n";
		2326
		2327	cf::sync_job {
		2328	# use a peculiar iteration method to avoid tripping on perl
		2329	# refcount bugs in for. also avoids problems with players
		2330	# and maps saved/destroyed asynchronously.
		2331	warn "begin emergency player save\n";
		2332	for my $login (keys %cf::PLAYER) {
		2333	my $pl = $cf::PLAYER{$login} or next;
		2334	$pl->valid or next;
		2335	$pl->save;
		2336	}
		2337	warn "end emergency player save\n";
		2338
		2339	warn "begin emergency map save\n";
		2340	for my $path (keys %cf::MAP) {
		2341	my $map = $cf::MAP{$path} or next;
		2342	$map->valid or next;
		2343	$map->save;
		2344	}
		2345	warn "end emergency map save\n";
		2346
		2347	warn "begin emergency database checkpoint\n";
		2348	BDB::db_env_txn_checkpoint $DB_ENV;
		2349	warn "end emergency database checkpoint\n";
		2350	};
		2351
		2352	warn "leave emergency perl save\n";
		2353	}
		2354
		2355	sub post_cleanup {
		2356	my ($make_core) = @_;
		2357
		2358	warn Carp::longmess "post_cleanup backtrace"
		2359	if $make_core;
		2360	}
2000		2361
2001	sub reload() {	2362	sub reload() {
2002	# can/must only be called in main	2363	# can/must only be called in main
2003	if ($Coro::current != $Coro::main) {	2364	if ($Coro::current != $Coro::main) {
2004	warn "can only reload from main coroutine\n";	2365	warn "can only reload from main coroutine";
2005	return;	2366	return;
2006	}	2367	}
2007		2368
2008	warn "reloading...";	2369	warn "reloading...";
2009		2370
2010	local $FREEZE = 1;	2371	warn "entering sync_job";
		2372
		2373	cf::sync_job {
		2374	cf::write_runtime; # external watchdog should not bark
2011	cf::emergency_save;	2375	cf::emergency_save;
		2376	cf::write_runtime; # external watchdog should not bark
2012		2377
2013	eval {	2378	warn "syncing database to disk";
		2379	BDB::db_env_txn_checkpoint $DB_ENV;
		2380
2014	# if anything goes wrong in here, we should simply crash as we already saved	2381	# if anything goes wrong in here, we should simply crash as we already saved
2015		2382
2016	# cancel all watchers	2383	warn "cancelling all WF_AUTOCANCEL watchers";
2017	for (Event::all_watchers) {	2384	for (Event::all_watchers) {
2018	$_->cancel if $_->data & WF_AUTOCANCEL;	2385	$_->cancel if $_->data & WF_AUTOCANCEL;
2019	}	2386	}
2020		2387
		2388	warn "flushing outstanding aio requests";
		2389	for (;;) {
		2390	BDB::flush;
		2391	IO::AIO::flush;
		2392	Coro::cede;
		2393	last unless IO::AIO::nreqs || BDB::nreqs;
		2394	warn "iterate...";
		2395	}
		2396
2021	# cancel all extension coros	2397	warn "cancelling all extension coros";
2022	$_->cancel for values %EXT_CORO;	2398	$_->cancel for values %EXT_CORO;
2023	%EXT_CORO = ();	2399	%EXT_CORO = ();
2024		2400
2025	# unload all extensions	2401	warn "removing commands";
2026	for (@exts) {	2402	%COMMAND = ();
		2403
		2404	warn "removing ext commands";
		2405	%EXTCMD = ();
		2406
		2407	warn "unloading/nuking all extensions";
		2408	for my $pkg (@EXTS) {
2027	warn "unloading <$_>";	2409	warn "... unloading $pkg";
2028	unload_extension $_;	2410
		2411	if (my $cb = $pkg->can ("unload")) {
		2412	eval {
		2413	$cb->($pkg);
		2414	1
		2415	} or warn "$pkg unloaded, but with errors: $@";
2029	}	2416	}
2030		2417
		2418	warn "... nuking $pkg";
		2419	Symbol::delete_package $pkg;
		2420	}
		2421
2031	# unload all modules loaded from $LIBDIR	2422	warn "unloading all perl modules loaded from $LIBDIR";
2032	while (my ($k, $v) = each %INC) {	2423	while (my ($k, $v) = each %INC) {
2033	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2424	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2034		2425
2035	warn "removing <$k>";	2426	warn "... unloading $k";
2036	delete $INC{$k};	2427	delete $INC{$k};
2037		2428
2038	$k =~ s/\.pm$//;	2429	$k =~ s/\.pm$//;
2039	$k =~ s/\//::/g;	2430	$k =~ s/\//::/g;
2040		2431
…		…
2043	}	2434	}
2044		2435
2045	Symbol::delete_package $k;	2436	Symbol::delete_package $k;
2046	}	2437	}
2047		2438
2048	# sync database to disk
2049	cf::db_sync;
2050	IO::AIO::flush;
2051
2052	# get rid of safe::, as good as possible	2439	warn "getting rid of safe::, as good as possible";
2053	Symbol::delete_package "safe::$_"	2440	Symbol::delete_package "safe::$_"
2054	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2441	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2055		2442
2056	# remove register_script_function callbacks
2057	# TODO
2058
2059	# unload cf.pm "a bit"	2443	warn "unloading cf.pm \"a bit\"";
2060	delete $INC{"cf.pm"};	2444	delete $INC{"cf.pm"};
2061		2445
2062	# don't, removes xs symbols, too,	2446	# don't, removes xs symbols, too,
2063	# and global variables created in xs	2447	# and global variables created in xs
2064	#Symbol::delete_package __PACKAGE__;	2448	#Symbol::delete_package __PACKAGE__;
2065		2449
2066	# reload cf.pm	2450	warn "unload completed, starting to reload now";
		2451
2067	warn "reloading cf.pm";	2452	warn "reloading cf.pm";
2068	require cf;	2453	require cf;
2069	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2454	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2070		2455
2071	# load config and database again	2456	warn "loading config and database again";
2072	cf::cfg_load;	2457	cf::cfg_load;
2073	cf::db_load;
2074		2458
2075	# load extensions
2076	warn "load extensions";	2459	warn "loading extensions";
2077	cf::load_extensions;	2460	cf::load_extensions;
2078		2461
2079	# reattach attachments to objects	2462	warn "reattaching attachments to objects/players";
2080	warn "reattach";
2081	_global_reattach;	2463	_global_reattach;
2082	};	2464	warn "reattaching attachments to maps";
		2465	reattach $_ for values %MAP;
2083		2466
2084	if ($@) {	2467	warn "loading reloadable resources";
		2468	init_resources;
		2469
		2470	warn "leaving sync_job";
		2471
		2472	1
		2473	} or do {
2085	warn $@;	2474	warn $@;
2086	warn "error while reloading, exiting.";	2475	warn "error while reloading, exiting.";
2087	exit 1;	2476	exit 1;
2088	}	2477	};
2089		2478
2090	warn "reloaded successfully";	2479	warn "reloaded";
2091	};	2480	};
2092		2481
2093	#############################################################################	2482	our $RELOAD_WATCHER; # used only during reload
2094
2095	unless ($LINK_MAP) {
2096	$LINK_MAP = cf::map::new;
2097
2098	$LINK_MAP->width (41);
2099	$LINK_MAP->height (41);
2100	$LINK_MAP->alloc;
2101	$LINK_MAP->path ("{link}");
2102	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2103	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2104
2105	# dirty hack because... archetypes are not yet loaded
2106	Event->timer (
2107	after => 2,
2108	cb => sub {
2109	$_[0]->w->cancel;
2110
2111	# provide some exits "home"
2112	my $exit = cf::object::new "exit";
2113
2114	$exit->slaying ($EMERGENCY_POSITION->[0]);
2115	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2116	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2117
2118	$LINK_MAP->insert ($exit->clone, 19, 19);
2119	$LINK_MAP->insert ($exit->clone, 19, 20);
2120	$LINK_MAP->insert ($exit->clone, 19, 21);
2121	$LINK_MAP->insert ($exit->clone, 20, 19);
2122	$LINK_MAP->insert ($exit->clone, 20, 21);
2123	$LINK_MAP->insert ($exit->clone, 21, 19);
2124	$LINK_MAP->insert ($exit->clone, 21, 20);
2125	$LINK_MAP->insert ($exit->clone, 21, 21);
2126
2127	$exit->destroy;
2128	});
2129
2130	$LINK_MAP->{deny_save} = 1;
2131	$LINK_MAP->{deny_reset} = 1;
2132
2133	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2134	}
2135
2136	register "<global>", __PACKAGE__;
2137		2483
2138	register_command "reload" => sub {	2484	register_command "reload" => sub {
2139	my ($who, $arg) = @_;	2485	my ($who, $arg) = @_;
2140		2486
2141	if ($who->flag (FLAG_WIZ)) {	2487	if ($who->flag (FLAG_WIZ)) {
2142	$who->message ("start of reload.");	2488	$who->message ("reloading server.");
		2489
		2490	# doing reload synchronously and two reloads happen back-to-back,
		2491	# coro crashes during coro_state_free->destroy here.
		2492
		2493	$RELOAD_WATCHER ||= Event->timer (
		2494	reentrant => 0,
		2495	after => 0,
		2496	data => WF_AUTOCANCEL,
		2497	cb => sub {
2143	reload;	2498	reload;
2144	$who->message ("end of reload.");	2499	undef $RELOAD_WATCHER;
		2500	},
		2501	);
2145	}	2502	}
2146	};	2503	};
2147		2504
2148	unshift @INC, $LIBDIR;	2505	unshift @INC, $LIBDIR;
		2506
		2507	my $bug_warning = 0;
2149		2508
2150	$TICK_WATCHER = Event->timer (	2509	$TICK_WATCHER = Event->timer (
2151	reentrant => 0,	2510	reentrant => 0,
		2511	parked => 1,
2152	prio => 0,	2512	prio => 0,
2153	at => $NEXT_TICK || $TICK,	2513	at => $NEXT_TICK || $TICK,
2154	data => WF_AUTOCANCEL,	2514	data => WF_AUTOCANCEL,
2155	cb => sub {	2515	cb => sub {
2156	unless ($FREEZE) {	2516	if ($Coro::current != $Coro::main) {
		2517	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2518	unless ++$bug_warning > 10;
		2519	return;
		2520	}
		2521
		2522	$NOW = Event::time;
		2523
2157	cf::server_tick; # one server iteration	2524	cf::server_tick; # one server iteration
2158	$RUNTIME += $TICK;	2525	$RUNTIME += $TICK;
2159	}
2160
2161	$NEXT_TICK += $TICK;	2526	$NEXT_TICK += $TICK;
		2527
		2528	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2529	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2530	Coro::async_pool {
		2531	write_runtime
		2532	or warn "ERROR: unable to write runtime file: $!";
		2533	};
		2534	}
		2535
		2536	$WAIT_FOR_TICK->broadcast;
		2537	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2538
		2539	# my $AFTER = Event::time;
		2540	# warn $AFTER - $NOW;#d#
2162		2541
2163	# if we are delayed by four ticks or more, skip them all	2542	# if we are delayed by four ticks or more, skip them all
2164	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2543	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2165		2544
2166	$TICK_WATCHER->at ($NEXT_TICK);	2545	$TICK_WATCHER->at ($NEXT_TICK);
2167	$TICK_WATCHER->start;	2546	$TICK_WATCHER->start;
2168	},	2547	},
2169	);	2548	);
2170		2549
		2550	{
2171	IO::AIO::max_poll_time $TICK * 0.2;	2551	BDB::max_poll_time $TICK * 0.1;
2172		2552	$BDB_POLL_WATCHER = Event->io (
2173	Event->io (	2553	reentrant => 0,
2174	fd => IO::AIO::poll_fileno,	2554	fd => BDB::poll_fileno,
2175	poll => 'r',	2555	poll => 'r',
2176	prio => 5,	2556	prio => 0,
2177	data => WF_AUTOCANCEL,
2178	cb => \&IO::AIO::poll_cb,
2179	);
2180
2181	Event->timer (
2182	data => WF_AUTOCANCEL,	2557	data => WF_AUTOCANCEL,
2183	after => 0,	2558	cb => \&BDB::poll_cb,
2184	interval => 10,	2559	);
2185	cb => sub {	2560	BDB::min_parallel 8;
2186	(Coro::unblock_sub {	2561
2187	write_runtime	2562	BDB::set_sync_prepare {
2188	or warn "ERROR: unable to write runtime file: $!";	2563	my $status;
		2564	my $current = $Coro::current;
		2565	(
		2566	sub {
		2567	$status = $!;
		2568	$current->ready; undef $current;
		2569	},
		2570	sub {
		2571	Coro::schedule while defined $current;
		2572	$! = $status;
		2573	},
		2574	)
		2575	};
		2576
		2577	unless ($DB_ENV) {
		2578	$DB_ENV = BDB::db_env_create;
		2579
		2580	cf::sync_job {
		2581	eval {
		2582	BDB::db_env_open
		2583	$DB_ENV,
		2584	$BDB_ENV_DIR,
		2585	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2586	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2587	0666;
		2588
		2589	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2590
		2591	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2592	$DB_ENV->set_lk_detect;
		2593	};
		2594
		2595	cf::cleanup "db_env_open(db): $@" if $@;
2189	})->();	2596	};
2190	},	2597	}
2191	);	2598	}
		2599
		2600	{
		2601	IO::AIO::min_parallel 8;
		2602
		2603	undef $Coro::AIO::WATCHER;
		2604	IO::AIO::max_poll_time $TICK * 0.1;
		2605	$AIO_POLL_WATCHER = Event->io (
		2606	reentrant => 0,
		2607	data => WF_AUTOCANCEL,
		2608	fd => IO::AIO::poll_fileno,
		2609	poll => 'r',
		2610	prio => 6,
		2611	cb => \&IO::AIO::poll_cb,
		2612	);
		2613	}
		2614
		2615	END { cf::emergency_save }
2192		2616
2193	1	2617	1
2194		2618

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