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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.139 by root, Fri Jan 5 19:12:03 2007 UTC vs.
Revision 1.227 by root, Fri Mar 23 18:32:48 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Storable;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
12		13
13	use Coro 3.3 ();	14	use Coro 3.52 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
19		21
		22	use BDB ();
		23	use Data::Dumper;
20	use Digest::MD5;	24	use Digest::MD5;
21	use Fcntl;	25	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	26	use YAML::Syck ();
		27	use IO::AIO 2.32 ();
24	use Time::HiRes;	28	use Time::HiRes;
		29	use Compress::LZF;
25		30
		31	# configure various modules to our taste
		32	#
		33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		35
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	36	$Event::Eval = 1; # no idea why this is required, but it is
27		37
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	39	$YAML::Syck::ImplicitUnicode = 1;
30		40
31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		42
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		44
35	our %COMMAND = ();	45	our %COMMAND = ();
36	our %COMMAND_TIME = ();	46	our %COMMAND_TIME = ();
		47
		48	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	49	our %EXTCMD = ();
		50	our %EXT_CORO = (); # coroutines bound to extensions
		51	our %EXT_MAP = (); # pluggable maps
38		52
		53	our $RELOAD; # number of reloads so far
39	our @EVENT;	54	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	55	our $LIBDIR = datadir . "/ext";
41		56
42	our $TICK = MAX_TIME * 1e-6;	57	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	58	our $TICK_WATCHER;
		59	our $AIO_POLL_WATCHER;
		60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	61	our $NEXT_TICK;
45	our $NOW;	62	our $NOW;
		63	our $USE_FSYNC = 1; # use fsync to write maps - default off
		64
		65	our $BDB_POLL_WATCHER;
		66	our $DB_ENV;
46		67
47	our %CFG;	68	our %CFG;
48		69
49	our $UPTIME; $UPTIME ||= time;	70	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	71	our $RUNTIME;
51		72
		73	our %PLAYER; # all users
52	our %MAP; # all maps	74	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	75	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	76	our $RANDOM_MAPS = cf::localdir . "/random";
55	our %EXT_CORO;	77	our $BDB_ENV_DIR = cf::localdir . "/db";
		78
		79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		81
		82	# used to convert map paths into valid unix filenames by replacing / by ∕
		83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		84
57	binmode STDOUT;	85	binmode STDOUT;
58	binmode STDERR;	86	binmode STDERR;
59		87
60	# read virtual server time, if available	88	# read virtual server time, if available
…		…
67	mkdir cf::localdir;	95	mkdir cf::localdir;
68	mkdir cf::localdir . "/" . cf::playerdir;	96	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	97	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	98	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	99	mkdir $RANDOM_MAPS;
		100	mkdir $BDB_ENV_DIR;
72		101
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	102	our $EMERGENCY_POSITION;
		103
		104	sub cf::map::normalise;
76		105
77	#############################################################################	106	#############################################################################
78		107
79	=head2 GLOBAL VARIABLES	108	=head2 GLOBAL VARIABLES
80		109
…		…
104		133
105	=item %cf::CFG	134	=item %cf::CFG
106		135
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	136	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	137	from wherever your confdir points to.
		138
		139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		140
		141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		143	processing has been done. Call C<< ->wait >> on them to maximise the
		144	window of cpu time available, or simply to synchronise to the server tick.
109		145
110	=back	146	=back
111		147
112	=cut	148	=cut
113		149
…		…
117	utf8::encode $msg;	153	utf8::encode $msg;
118		154
119	$msg .= "\n"	155	$msg .= "\n"
120	unless $msg =~ /\n$/;	156	unless $msg =~ /\n$/;
121		157
122	LOG llevError, "cfperl: $msg";	158	LOG llevError, $msg;
123	};	159	};
124	}	160	}
125		161
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		181
146	$Event::DIED = sub {	182	$Event::DIED = sub {
147	warn "error in event callback: @_";	183	warn "error in event callback: @_";
148	};	184	};
149		185
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	186	=head2 UTILITY FUNCTIONS
155		187
156	=over 4	188	=over 4
157		189
158	=cut	190	=item dumpval $ref
159		191
		192	=cut
		193
		194	sub dumpval {
		195	eval {
		196	local $SIG{__DIE__};
		197	my $d;
		198	if (1) {
		199	$d = new Data::Dumper([$_[0]], ["*var"]);
		200	$d->Terse(1);
		201	$d->Indent(2);
		202	$d->Quotekeys(0);
		203	$d->Useqq(1);
		204	#$d->Bless(...);
		205	$d->Seen($_[1]) if @_ > 1;
		206	$d = $d->Dump();
		207	}
		208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		209	$d
		210	} || "[unable to dump $_[0]: '$@']";
		211	}
		212
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
161		214
162	=item $ref = cf::from_json $json	215	=item $ref = cf::from_json $json
163		216
164	Converts a JSON string into the corresponding perl data structure.	217	Converts a JSON string into the corresponding perl data structure.
165		218
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	219	=item $json = cf::to_json $ref
174		220
175	Converts a perl data structure into its JSON representation.	221	Converts a perl data structure into its JSON representation.
176
177	=cut
178
179	sub to_json($) {
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]
182	}
183		222
184	=item cf::lock_wait $string	223	=item cf::lock_wait $string
185		224
186	Wait until the given lock is available. See cf::lock_acquire.	225	Wait until the given lock is available. See cf::lock_acquire.
187		226
…		…
224	}	263	}
225		264
226	sub freeze_mainloop {	265	sub freeze_mainloop {
227	return unless $TICK_WATCHER->is_active;	266	return unless $TICK_WATCHER->is_active;
228		267
229	my $guard = Coro::guard { $TICK_WATCHER->start };	268	my $guard = Coro::guard {
		269	$TICK_WATCHER->start;
		270	};
230	$TICK_WATCHER->stop;	271	$TICK_WATCHER->stop;
231	$guard	272	$guard
232	}	273	}
		274
		275	=item cf::async { BLOCK }
		276
		277	Currently the same as Coro::async_pool, meaning you cannot use
		278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		279	thing you are allowed to do is call C<prio> on it.
		280
		281	=cut
		282
		283	BEGIN { *async = \&Coro::async_pool }
233		284
234	=item cf::sync_job { BLOCK }	285	=item cf::sync_job { BLOCK }
235		286
236	The design of crossfire+ requires that the main coro ($Coro::main) is	287	The design of crossfire+ requires that the main coro ($Coro::main) is
237	always able to handle events or runnable, as crossfire+ is only partly	288	always able to handle events or runnable, as crossfire+ is only partly
…		…
256	my $freeze_guard = freeze_mainloop;	307	my $freeze_guard = freeze_mainloop;
257		308
258	my $busy = 1;	309	my $busy = 1;
259	my @res;	310	my @res;
260		311
261	(Coro::async_pool {	312	(async {
262	@res = eval { $job->() };	313	@res = eval { $job->() };
263	warn $@ if $@;	314	warn $@ if $@;
264	undef $busy;	315	undef $busy;
265	})->prio (Coro::PRIO_MAX);	316	})->prio (Coro::PRIO_MAX);
266		317
267	while ($busy) {	318	while ($busy) {
268	unless (Coro::cede) {	319	Coro::cede or Event::one_event;
269	Coro::nready ? Event::one_event 0 : Event::one_event;
270	Coro::cede_notself unless Coro::cede;
271	}
272	}	320	}
273		321
274	wantarray ? @res : $res[0]	322	wantarray ? @res : $res[0]
275	} else {	323	} else {
276	# we are in another coroutine, how wonderful, everything just works	324	# we are in another coroutine, how wonderful, everything just works
277		325
278	$job->()	326	$job->()
279	}	327	}
280	}	328	}
281		329
282	=item $coro = cf::coro { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
283		331
284	Creates (and readies) and returns a new coro. This coro is automcatially	332	Like async, but this coro is automatically being canceled when the
285	being canceled when the extension calling this is being unloaded.	333	extension calling this is being unloaded.
286		334
287	=cut	335	=cut
288		336
289	sub coro(&) {	337	sub async_ext(&) {
290	my $cb = shift;	338	my $cb = shift;
291		339
292	my $coro = &Coro::async_pool ($cb);	340	my $coro = &Coro::async ($cb);
293		341
294	$coro->on_destroy (sub {	342	$coro->on_destroy (sub {
295	delete $EXT_CORO{$coro+0};	343	delete $EXT_CORO{$coro+0};
296	});	344	});
297	$EXT_CORO{$coro+0} = $coro;	345	$EXT_CORO{$coro+0} = $coro;
298		346
299	$coro	347	$coro
300	}	348	}
301		349
302	sub write_runtime {	350	sub write_runtime {
		351	my $guard = cf::lock_acquire "write_runtime";
		352
303	my $runtime = cf::localdir . "/runtime";	353	my $runtime = cf::localdir . "/runtime";
304		354
305	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
306	or return;	356	or return;
307		357
		358	my $value = $cf::RUNTIME + 90 + 10;
308	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	359	# 10 is the runtime save interval, for a monotonic clock
		360	# 60 allows for the watchdog to kill the server.
		361
309	(aio_write $fh, 0, (length $value), $value, 0) <= 0	362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
310	and return;	363	and return;
311		364
		365	# always fsync - this file is important
312	aio_fsync $fh	366	aio_fsync $fh
313	and return;	367	and return;
314		368
315	close $fh	369	close $fh
316	or return;	370	or return;
…		…
322	}	376	}
323		377
324	=back	378	=back
325		379
326	=cut	380	=cut
327
328	#############################################################################
329
330	package cf::path;
331
332	sub new {
333	my ($class, $path, $base) = @_;
334
335	$path = $path->as_string if ref $path;
336
337	my $self = bless { }, $class;
338
339	# {... are special paths that are not touched
340	# ?xxx/... are special absolute paths
341	# ?random/... random maps
342	# /! non-realised random map exit
343	# /... normal maps
344	# ~/... per-player maps without a specific player (DO NOT USE)
345	# ~user/... per-player map of a specific user
346
347	if ($path =~ /^{/) {
348	# fine as it is
349	} elsif ($path =~ s{^\?random/}{}) {
350	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
351	$self->{random} = cf::from_json $data;
352	} else {
353	if ($path =~ s{^~([^/]+)?}{}) {
354	$self->{user_rel} = 1;
355
356	if (defined $1) {
357	$self->{user} = $1;
358	} elsif ($base =~ m{^~([^/]+)/}) {
359	$self->{user} = $1;
360	} else {
361	warn "cannot resolve user-relative path without user <$path,$base>\n";
362	}
363	} elsif ($path =~ /^\//) {
364	# already absolute
365	} else {
366	$base =~ s{[^/]+/?$}{};
367	return $class->new ("$base/$path");
368	}
369
370	for ($path) {
371	redo if s{/\.?/}{/};
372	redo if s{/[^/]+/\.\./}{/};
373	}
374	}
375
376	$self->{path} = $path;
377
378	$self
379	}
380
381	# the name / primary key / in-game path
382	sub as_string {
383	my ($self) = @_;
384
385	$self->{user_rel} ? "~$self->{user}$self->{path}"
386	: $self->{random} ? "?random/$self->{path}"
387	: $self->{path}
388	}
389
390	# the displayed name, this is a one way mapping
391	sub visible_name {
392	my ($self) = @_;
393
394	# if (my $rmp = $self->{random}) {
395	# # todo: be more intelligent about this
396	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
397	# } else {
398	$self->as_string
399	# }
400	}
401
402	# escape the /'s in the path
403	sub _escaped_path {
404	# ∕ is U+2215
405	(my $path = $_[0]{path}) =~ s/\//∕/g;
406	$path
407	}
408
409	# the original (read-only) location
410	sub load_path {
411	my ($self) = @_;
412
413	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
414	}
415
416	# the temporary/swap location
417	sub save_path {
418	my ($self) = @_;
419
420	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
421	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
422	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
423	}
424
425	# the unique path, might be eq to save_path
426	sub uniq_path {
427	my ($self) = @_;
428
429	$self->{user_rel} || $self->{random}
430	? undef
431	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
432	}
433
434	# return random map parameters, or undef
435	sub random_map_params {
436	my ($self) = @_;
437
438	$self->{random}
439	}
440
441	# this is somewhat ugly, but style maps do need special treatment
442	sub is_style_map {
443	$_[0]{path} =~ m{^/styles/}
444	}
445
446	package cf;
447		381
448	#############################################################################	382	#############################################################################
449		383
450	=head2 ATTACHABLE OBJECTS	384	=head2 ATTACHABLE OBJECTS
451		385
…		…
577	our @CB_TYPE = (); # registry for type (cf-object class) based events	511	our @CB_TYPE = (); # registry for type (cf-object class) based events
578	our @CB_MAP = ();	512	our @CB_MAP = ();
579		513
580	my %attachment;	514	my %attachment;
581		515
		516	sub cf::attachable::thawer_merge {
		517	# simply override everything except _meta
		518	local $_[0]{_meta};
		519	%{$_[0]} = %{$_[1]};
		520	}
		521
582	sub _attach_cb($$$$) {	522	sub _attach_cb($$$$) {
583	my ($registry, $event, $prio, $cb) = @_;	523	my ($registry, $event, $prio, $cb) = @_;
584		524
585	use sort 'stable';	525	use sort 'stable';
586		526
…		…
757	# object support	697	# object support
758		698
759	sub reattach {	699	sub reattach {
760	# basically do the same as instantiate, without calling instantiate	700	# basically do the same as instantiate, without calling instantiate
761	my ($obj) = @_;	701	my ($obj) = @_;
		702
		703	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
762		704
763	my $registry = $obj->registry;	705	my $registry = $obj->registry;
764		706
765	@$registry = ();	707	@$registry = ();
766		708
…		…
813	$filename, length $$rdata, scalar @$objs;	755	$filename, length $$rdata, scalar @$objs;
814		756
815	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
816	chmod SAVE_MODE, $fh;	758	chmod SAVE_MODE, $fh;
817	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
818	aio_fsync $fh;	760	aio_fsync $fh if $cf::USE_FSYNC;
819	close $fh;	761	close $fh;
820		762
821	if (@$objs) {	763	if (@$objs) {
822	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	764	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
823	chmod SAVE_MODE, $fh;	765	chmod SAVE_MODE, $fh;
824	my $data = Storable::nfreeze { version => 1, objs => $objs };	766	my $data = Storable::nfreeze { version => 1, objs => $objs };
825	aio_write $fh, 0, (length $data), $data, 0;	767	aio_write $fh, 0, (length $data), $data, 0;
826	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	769	close $fh;
828	aio_rename "$filename.pst~", "$filename.pst";	770	aio_rename "$filename.pst~", "$filename.pst";
829	}	771	}
830	} else {	772	} else {
831	aio_unlink "$filename.pst";	773	aio_unlink "$filename.pst";
…		…
898	=cut	840	=cut
899		841
900	sub register_extcmd {	842	sub register_extcmd {
901	my ($name, $cb) = @_;	843	my ($name, $cb) = @_;
902		844
903	my $caller = caller;
904	#warn "registering extcmd '$name' to '$caller'";
905
906	$EXTCMD{$name} = [$cb, $caller];	845	$EXTCMD{$name} = $cb;
907	}	846	}
908		847
909	cf::player->attach (	848	cf::player->attach (
910	on_command => sub {	849	on_command => sub {
911	my ($pl, $name, $params) = @_;	850	my ($pl, $name, $params) = @_;
…		…
924		863
925	my $msg = eval { from_json $buf };	864	my $msg = eval { from_json $buf };
926		865
927	if (ref $msg) {	866	if (ref $msg) {
928	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	867	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
929	if (my %reply = $cb->[0]->($pl, $msg)) {	868	if (my %reply = $cb->($pl, $msg)) {
930	$pl->ext_reply ($msg->{msgid}, %reply);	869	$pl->ext_reply ($msg->{msgid}, %reply);
931	}	870	}
932	}	871	}
933	} else {	872	} else {
934	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	873	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
936		875
937	cf::override;	876	cf::override;
938	},	877	},
939	);	878	);
940		879
941	sub register {
942	my ($base, $pkg) = @_;
943
944	#TODO
945	}
946
947	sub load_extension {	880	sub load_extension {
948	my ($path) = @_;	881	my ($path) = @_;
949		882
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
951	my $base = $1;	884	my $base = $1;
952	my $pkg = $1;	885	my $pkg = $1;
953	$pkg =~ s/[^[:word:]]/_/g;	886	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";	887	$pkg = "ext::$pkg";
955		888
956	warn "loading '$path' into '$pkg'\n";	889	warn "... loading '$path' into '$pkg'\n";
957		890
958	open my $fh, "<:utf8", $path	891	open my $fh, "<:utf8", $path
959	or die "$path: $!";	892	or die "$path: $!";
960		893
961	my $source =	894	my $source =
962	"package $pkg; use strict; use utf8;\n"	895	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"	896	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })	897	. (do { local $/; <$fh> })
965	. "\n};\n1";	898	. "\n};\n1";
966		899
967	eval $source	900	unless (eval $source) {
968	or die $@ ? "$path: $@\n"	901	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";	902	: "extension disabled.\n";
970		903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	push @exts, $pkg;	904	warn $@;
972	$ext_pkg{$base} = $pkg;	905	warn "mandatory extension failed to load, exiting.\n";
973		906	exit 1;
974	# no strict 'refs';	907	}
975	# @{"$pkg\::ISA"} = ext::;	908	die $@;
976
977	register $base, $pkg;
978	}
979
980	sub unload_extension {
981	my ($pkg) = @_;
982
983	warn "removing extension $pkg\n";
984
985	# remove hooks
986	#TODO
987	# for my $idx (0 .. $#PLUGIN_EVENT) {
988	# delete $hook[$idx]{$pkg};
989	# }	909	}
990		910
991	# remove commands	911	push @EXTS, $pkg;
992	for my $name (keys %COMMAND) {
993	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
994
995	if (@cb) {
996	$COMMAND{$name} = \@cb;
997	} else {
998	delete $COMMAND{$name};
999	}
1000	}
1001
1002	# remove extcmds
1003	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1004	delete $EXTCMD{$name};
1005	}
1006
1007	if (my $cb = $pkg->can ("unload")) {
1008	eval {
1009	$cb->($pkg);
1010	1
1011	} or warn "$pkg unloaded, but with errors: $@";
1012	}
1013
1014	Symbol::delete_package $pkg;
1015	}	912	}
1016		913
1017	sub load_extensions {	914	sub load_extensions {
1018	for my $ext (<$LIBDIR/*.ext>) {	915	for my $ext (<$LIBDIR/*.ext>) {
1019	next unless -r $ext;	916	next unless -r $ext;
…		…
1023	} or warn "$ext not loaded: $@";	920	} or warn "$ext not loaded: $@";
1024	}	921	}
1025	}	922	}
1026		923
1027	#############################################################################	924	#############################################################################
1028	# load/save/clean perl data associated with a map
1029
1030	*cf::mapsupport::on_clean = sub {
1031	my ($map) = @_;
1032
1033	my $path = $map->tmpname;
1034	defined $path or return;
1035
1036	unlink "$path.pst";
1037	};
1038
1039	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1040
1041	#############################################################################
1042	# load/save perl data associated with player->ob objects
1043
1044	sub all_objects(@) {
1045	@_, map all_objects ($_->inv), @_
1046	}
1047
1048	# TODO: compatibility cruft, remove when no longer needed
1049	cf::player->attach (
1050	on_load => sub {
1051	my ($pl, $path) = @_;
1052
1053	for my $o (all_objects $pl->ob) {
1054	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1055	$o->set_ob_key_value ("_perl_data");
1056
1057	%$o = %{ Storable::thaw pack "H*", $value };
1058	}
1059	}
1060	},
1061	);
1062
1063	#############################################################################
1064		925
1065	=head2 CORE EXTENSIONS	926	=head2 CORE EXTENSIONS
1066		927
1067	Functions and methods that extend core crossfire objects.	928	Functions and methods that extend core crossfire objects.
1068		929
		930	=cut
		931
		932	package cf::player;
		933
		934	use Coro::AIO;
		935
1069	=head3 cf::player	936	=head3 cf::player
1070		937
1071	=over 4	938	=over 4
1072		939
1073	=item cf::player::exists $login	940	=item cf::player::find $login
1074		941
1075	Returns true when the given account exists.	942	Returns the given player object, loading it if necessary (might block).
1076		943
1077	=cut	944	=cut
1078		945
1079	sub cf::player::exists($) {	946	sub playerdir($) {
1080	cf::player::find $_[0]	947	cf::localdir
1081	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	948	. "/"
		949	. cf::playerdir
		950	. "/"
		951	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		952	}
		953
		954	sub path($) {
		955	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		956
		957	(playerdir $login) . "/$login.pl"
		958	}
		959
		960	sub find_active($) {
		961	$cf::PLAYER{$_[0]}
		962	and $cf::PLAYER{$_[0]}->active
		963	and $cf::PLAYER{$_[0]}
		964	}
		965
		966	sub exists($) {
		967	my ($login) = @_;
		968
		969	$cf::PLAYER{$login}
		970	or cf::sync_job { !aio_stat path $login }
		971	}
		972
		973	sub find($) {
		974	return $cf::PLAYER{$_[0]} || do {
		975	my $login = $_[0];
		976
		977	my $guard = cf::lock_acquire "user_find:$login";
		978
		979	$cf::PLAYER{$_[0]} || do {
		980	my $pl = load_pl path $login
		981	or return;
		982	$cf::PLAYER{$login} = $pl
		983	}
		984	}
		985	}
		986
		987	sub save($) {
		988	my ($pl) = @_;
		989
		990	return if $pl->{deny_save};
		991
		992	my $path = path $pl;
		993	my $guard = cf::lock_acquire "user_save:$path";
		994
		995	return if $pl->{deny_save};
		996
		997	aio_mkdir playerdir $pl, 0770;
		998	$pl->{last_save} = $cf::RUNTIME;
		999
		1000	$pl->save_pl ($path);
		1001	Coro::cede;
		1002	}
		1003
		1004	sub new($) {
		1005	my ($login) = @_;
		1006
		1007	my $self = create;
		1008
		1009	$self->ob->name ($login);
		1010	$self->{deny_save} = 1;
		1011
		1012	$cf::PLAYER{$login} = $self;
		1013
		1014	$self
		1015	}
		1016
		1017	=item $pl->quit_character
		1018
		1019	Nukes the player without looking back. If logged in, the connection will
		1020	be destroyed. May block for a long time.
		1021
		1022	=cut
		1023
		1024	sub quit_character {
		1025	my ($pl) = @_;
		1026
		1027	my $name = $pl->ob->name;
		1028
		1029	$pl->{deny_save} = 1;
		1030	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1031
		1032	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1033	$pl->deactivate;
		1034	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1035	$pl->ns->destroy if $pl->ns;
		1036
		1037	my $path = playerdir $pl;
		1038	my $temp = "$path~$cf::RUNTIME~deleting~";
		1039	aio_rename $path, $temp;
		1040	delete $cf::PLAYER{$pl->ob->name};
		1041	$pl->destroy;
		1042
		1043	my $prefix = qr<^~\Q$name\E/>;
		1044
		1045	# nuke player maps
		1046	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1047
		1048	IO::AIO::aio_rmtree $temp;
		1049	}
		1050
		1051	=item $pl->kick
		1052
		1053	Kicks a player out of the game. This destroys the connection.
		1054
		1055	=cut
		1056
		1057	sub kick {
		1058	my ($pl, $kicker) = @_;
		1059
		1060	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1061	$pl->killer ("kicked");
		1062	$pl->ns->destroy;
		1063	}
		1064
		1065	=item cf::player::list_logins
		1066
		1067	Returns am arrayref of all valid playernames in the system, can take a
		1068	while and may block, so not sync_job-capable, ever.
		1069
		1070	=cut
		1071
		1072	sub list_logins {
		1073	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1074	or return [];
		1075
		1076	my @logins;
		1077
		1078	for my $login (@$dirs) {
		1079	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1080	aio_read $fh, 0, 512, my $buf, 0 or next;
		1081	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1082
		1083	utf8::decode $login;
		1084	push @logins, $login;
		1085	}
		1086
		1087	\@logins
		1088	}
		1089
		1090	=item $player->maps
		1091
		1092	Returns an arrayref of map paths that are private for this
		1093	player. May block.
		1094
		1095	=cut
		1096
		1097	sub maps($) {
		1098	my ($pl) = @_;
		1099
		1100	$pl = ref $pl ? $pl->ob->name : $pl;
		1101
		1102	my $files = aio_readdir playerdir $pl
		1103	or return;
		1104
		1105	my @paths;
		1106
		1107	for (@$files) {
		1108	utf8::decode $_;
		1109	next if /\.(?:pl|pst)$/;
		1110	next unless /^$PATH_SEP/o;
		1111
		1112	push @paths, cf::map::normalise "~$pl/$_";
		1113	}
		1114
		1115	\@paths
1082	}	1116	}
1083		1117
1084	=item $player->ext_reply ($msgid, $msgtype, %msg)	1118	=item $player->ext_reply ($msgid, $msgtype, %msg)
1085		1119
1086	Sends an ext reply to the player.	1120	Sends an ext reply to the player.
1087		1121
1088	=cut	1122	=cut
1089		1123
1090	sub cf::player::ext_reply($$$%) {	1124	sub ext_reply($$$%) {
1091	my ($self, $id, %msg) = @_;	1125	my ($self, $id, %msg) = @_;
1092		1126
1093	$msg{msgid} = $id;	1127	$msg{msgid} = $id;
1094		1128
1095	$self->send ("ext " . to_json \%msg);	1129	$self->send ("ext " . cf::to_json \%msg);
1096	}	1130	}
		1131
		1132	package cf;
1097		1133
1098	=back	1134	=back
1099		1135
1100		1136
1101	=head3 cf::map	1137	=head3 cf::map
…		…
1107	package cf::map;	1143	package cf::map;
1108		1144
1109	use Fcntl;	1145	use Fcntl;
1110	use Coro::AIO;	1146	use Coro::AIO;
1111		1147
		1148	use overload
		1149	'""' => \&as_string,
		1150	fallback => 1;
		1151
1112	our $MAX_RESET = 3600;	1152	our $MAX_RESET = 3600;
1113	our $DEFAULT_RESET = 3000;	1153	our $DEFAULT_RESET = 3000;
1114		1154
1115	sub generate_random_map {	1155	sub generate_random_map {
1116	my ($path, $rmp) = @_;	1156	my ($self, $rmp) = @_;
1117
1118	# mit "rum" bekleckern, nicht	1157	# mit "rum" bekleckern, nicht
1119	cf::map::_create_random_map	1158	$self->_create_random_map (
1120	$path,
1121	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1159	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1122	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1160	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1123	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1161	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1124	$rmp->{exit_on_final_map},	1162	$rmp->{exit_on_final_map},
1125	$rmp->{xsize}, $rmp->{ysize},	1163	$rmp->{xsize}, $rmp->{ysize},
1126	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1164	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1127	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1165	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1128	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1166	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1129	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1167	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1130	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1168	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1131	(cf::region::find $rmp->{region})	1169	(cf::region::find $rmp->{region}), $rmp->{custom}
		1170	)
		1171	}
		1172
		1173	=item cf::map->register ($regex, $prio)
		1174
		1175	Register a handler for the map path matching the given regex at the
		1176	givne priority (higher is better, built-in handlers have priority 0, the
		1177	default).
		1178
		1179	=cut
		1180
		1181	sub register {
		1182	my (undef, $regex, $prio) = @_;
		1183	my $pkg = caller;
		1184
		1185	no strict;
		1186	push @{"$pkg\::ISA"}, __PACKAGE__;
		1187
		1188	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1189	}
		1190
		1191	# also paths starting with '/'
		1192	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1193
		1194	sub thawer_merge {
		1195	my ($self, $merge) = @_;
		1196
		1197	# we have to keep some variables in memory intact
		1198	local $self->{path};
		1199	local $self->{load_path};
		1200	local $self->{deny_save};
		1201	local $self->{deny_reset};
		1202
		1203	$self->SUPER::thawer_merge ($merge);
		1204	}
		1205
		1206	sub normalise {
		1207	my ($path, $base) = @_;
		1208
		1209	$path = "$path"; # make sure its a string
		1210
		1211	$path =~ s/\.map$//;
		1212
		1213	# map plan:
		1214	#
		1215	# /! non-realised random map exit (special hack!)
		1216	# {... are special paths that are not being touched
		1217	# ?xxx/... are special absolute paths
		1218	# ?random/... random maps
		1219	# /... normal maps
		1220	# ~user/... per-player map of a specific user
		1221
		1222	$path =~ s/$PATH_SEP/\//go;
		1223
		1224	# treat it as relative path if it starts with
		1225	# something that looks reasonable
		1226	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1227	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1228
		1229	$base =~ s{[^/]+/?$}{};
		1230	$path = "$base/$path";
		1231	}
		1232
		1233	for ($path) {
		1234	redo if s{//}{/};
		1235	redo if s{/\.?/}{/};
		1236	redo if s{/[^/]+/\.\./}{/};
		1237	}
		1238
		1239	$path
		1240	}
		1241
		1242	sub new_from_path {
		1243	my (undef, $path, $base) = @_;
		1244
		1245	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1246
		1247	$path = normalise $path, $base;
		1248
		1249	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1250	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1251	my $self = bless cf::map::new, $pkg;
		1252	$self->{path} = $path; $self->path ($path);
		1253	$self->init; # pass $1 etc.
		1254	return $self;
		1255	}
		1256	}
		1257
		1258	Carp::carp "unable to resolve path '$path' (base '$base').";
		1259	()
		1260	}
		1261
		1262	sub init {
		1263	my ($self) = @_;
		1264
		1265	$self
		1266	}
		1267
		1268	sub as_string {
		1269	my ($self) = @_;
		1270
		1271	"$self->{path}"
		1272	}
		1273
		1274	# the displayed name, this is a one way mapping
		1275	sub visible_name {
		1276	&as_string
		1277	}
		1278
		1279	# the original (read-only) location
		1280	sub load_path {
		1281	my ($self) = @_;
		1282
		1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1284	}
		1285
		1286	# the temporary/swap location
		1287	sub save_path {
		1288	my ($self) = @_;
		1289
		1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1292	}
		1293
		1294	# the unique path, undef == no special unique path
		1295	sub uniq_path {
		1296	my ($self) = @_;
		1297
		1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1132	}	1300	}
1133		1301
1134	# and all this just because we cannot iterate over	1302	# and all this just because we cannot iterate over
1135	# all maps in C++...	1303	# all maps in C++...
1136	sub change_all_map_light {	1304	sub change_all_map_light {
…		…
1138		1306
1139	$_->change_map_light ($change)	1307	$_->change_map_light ($change)
1140	for grep $_->outdoor, values %cf::MAP;	1308	for grep $_->outdoor, values %cf::MAP;
1141	}	1309	}
1142		1310
		1311	sub unlink_save {
		1312	my ($self) = @_;
		1313
		1314	utf8::encode (my $save = $self->save_path);
		1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1317	}
		1318
1143	sub try_load_header($) {	1319	sub load_header_from($) {
1144	my ($path) = @_;	1320	my ($self, $path) = @_;
1145		1321
1146	utf8::encode $path;	1322	utf8::encode $path;
1147	aio_open $path, O_RDONLY, 0	1323	#aio_open $path, O_RDONLY, 0
		1324	# or return;
		1325
		1326	$self->_load_header ($path)
1148	or return;	1327	or return;
1149		1328
1150	my $map = cf::map::new	1329	$self->{load_path} = $path;
		1330
		1331	1
		1332	}
		1333
		1334	sub load_header_orig {
		1335	my ($self) = @_;
		1336
		1337	$self->load_header_from ($self->load_path)
		1338	}
		1339
		1340	sub load_header_temp {
		1341	my ($self) = @_;
		1342
		1343	$self->load_header_from ($self->save_path)
		1344	}
		1345
		1346	sub prepare_temp {
		1347	my ($self) = @_;
		1348
		1349	$self->last_access ((delete $self->{last_access})
		1350	|| $cf::RUNTIME); #d#
		1351	# safety
		1352	$self->{instantiate_time} = $cf::RUNTIME
		1353	if $self->{instantiate_time} > $cf::RUNTIME;
		1354	}
		1355
		1356	sub prepare_orig {
		1357	my ($self) = @_;
		1358
		1359	$self->{load_original} = 1;
		1360	$self->{instantiate_time} = $cf::RUNTIME;
		1361	$self->last_access ($cf::RUNTIME);
		1362	$self->instantiate;
		1363	}
		1364
		1365	sub load_header {
		1366	my ($self) = @_;
		1367
		1368	if ($self->load_header_temp) {
		1369	$self->prepare_temp;
		1370	} else {
		1371	$self->load_header_orig
1151	or return;	1372	or return;
		1373	$self->prepare_orig;
		1374	}
1152		1375
1153	# for better error messages only, will be overwritten	1376	1
1154	$map->path ($path);
1155
1156	$map->load_header ($path)
1157	or return;
1158
1159	$map->{load_path} = $path;
1160
1161	$map
1162	}	1377	}
1163		1378
1164	sub find;	1379	sub find;
1165	sub find {	1380	sub find {
1166	my ($path, $origin) = @_;	1381	my ($path, $origin) = @_;
1167		1382
1168	#warn "find<$path,$origin>\n";#d#
1169
1170	$path = new cf::path $path, $origin && $origin->path;	1383	$path = normalise $path, $origin && $origin->path;
1171	my $key = $path->as_string;
1172		1384
1173	cf::lock_wait "map_find:$key";	1385	cf::lock_wait "map_find:$path";
1174		1386
1175	$cf::MAP{$key} || do {	1387	$cf::MAP{$path} || do {
1176	my $guard = cf::lock_acquire "map_find:$key";	1388	my $guard = cf::lock_acquire "map_find:$path";
1177		1389	my $map = new_from_path cf::map $path
1178	# do it the slow way
1179	my $map = try_load_header $path->save_path;
1180
1181	Coro::cede;
1182
1183	if ($map) {
1184	$map->last_access ((delete $map->{last_access})
1185	|| $cf::RUNTIME); #d#
1186	# safety
1187	$map->{instantiate_time} = $cf::RUNTIME
1188	if $map->{instantiate_time} > $cf::RUNTIME;
1189	} else {
1190	if (my $rmp = $path->random_map_params) {
1191	$map = generate_random_map $key, $rmp;
1192	} else {
1193	$map = try_load_header $path->load_path;
1194	}
1195
1196	$map or return;	1390	or return;
1197		1391
1198	$map->{load_original} = 1;
1199	$map->{instantiate_time} = $cf::RUNTIME;
1200	$map->last_access ($cf::RUNTIME);
1201	$map->instantiate;
1202
1203	# per-player maps become, after loading, normal maps
1204	$map->per_player (0) if $path->{user_rel};
1205	}
1206
1207	$map->path ($key);
1208	$map->{path} = $path;
1209	$map->{last_save} = $cf::RUNTIME;	1392	$map->{last_save} = $cf::RUNTIME;
1210		1393
1211	Coro::cede;	1394	$map->load_header
		1395	or return;
1212		1396
1213	if ($map->should_reset) {	1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1398	# doing this can freeze the server in a sync job, obviously
		1399	#$cf::WAIT_FOR_TICK->wait;
1214	$map->reset;	1400	$map->reset;
1215	undef $guard;	1401	undef $guard;
1216	$map = find $path	1402	return find $path;
1217	or return;
1218	}	1403	}
1219		1404
1220	$cf::MAP{$key} = $map	1405	$cf::MAP{$path} = $map
1221	}	1406	}
1222	}	1407	}
		1408
		1409	sub pre_load { }
		1410	sub post_load { }
1223		1411
1224	sub load {	1412	sub load {
1225	my ($self) = @_;	1413	my ($self) = @_;
1226		1414
		1415	local $self->{deny_reset} = 1; # loading can take a long time
		1416
1227	my $path = $self->{path};	1417	my $path = $self->{path};
1228	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1418	my $guard = cf::lock_acquire "map_load:$path";
1229		1419
1230	return if $self->in_memory != cf::MAP_SWAPPED;	1420	return if $self->in_memory != cf::MAP_SWAPPED;
1231		1421
1232	$self->in_memory (cf::MAP_LOADING);	1422	$self->in_memory (cf::MAP_LOADING);
1233		1423
1234	$self->alloc;	1424	$self->alloc;
		1425
		1426	$self->pre_load;
		1427
1235	$self->load_objects ($self->{load_path}, 1)	1428	$self->_load_objects ($self->{load_path}, 1)
1236	or return;	1429	or return;
1237		1430
1238	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1239	if delete $self->{load_original};	1432	if delete $self->{load_original};
1240		1433
1241	if (my $uniq = $path->uniq_path) {	1434	if (my $uniq = $self->uniq_path) {
1242	utf8::encode $uniq;	1435	utf8::encode $uniq;
1243	if (aio_open $uniq, O_RDONLY, 0) {	1436	if (aio_open $uniq, O_RDONLY, 0) {
1244	$self->clear_unique_items;	1437	$self->clear_unique_items;
1245	$self->load_objects ($uniq, 0);	1438	$self->_load_objects ($uniq, 0);
1246	}	1439	}
1247	}	1440	}
1248		1441
1249	Coro::cede;	1442	Coro::cede;
1250		1443
1251	# now do the right thing for maps	1444	# now do the right thing for maps
1252	$self->link_multipart_objects;	1445	$self->link_multipart_objects;
1253		1446
1254	if ($self->{path}->is_style_map) {	1447	unless ($self->{deny_activate}) {
1255	$self->{deny_save} = 1;	1448	$self->decay_objects;
1256	$self->{deny_reset} = 1;
1257	} else {
1258	$self->fix_auto_apply;	1449	$self->fix_auto_apply;
1259	$self->decay_objects;
1260	$self->update_buttons;	1450	$self->update_buttons;
		1451	Coro::cede;
1261	$self->set_darkness_map;	1452	$self->set_darkness_map;
1262	$self->difficulty ($self->estimate_difficulty)	1453	$self->difficulty ($self->estimate_difficulty)
1263	unless $self->difficulty;	1454	unless $self->difficulty;
		1455	Coro::cede;
1264	$self->activate;	1456	$self->activate;
1265	}	1457	}
1266		1458
1267	Coro::cede;	1459	$self->post_load;
1268		1460
1269	$self->in_memory (cf::MAP_IN_MEMORY);	1461	$self->in_memory (cf::MAP_IN_MEMORY);
		1462	}
		1463
		1464	sub customise_for {
		1465	my ($self, $ob) = @_;
		1466
		1467	return find "~" . $ob->name . "/" . $self->{path}
		1468	if $self->per_player;
		1469
		1470	$self
		1471	}
		1472
		1473	# find and load all maps in the 3x3 area around a map
		1474	sub load_diag {
		1475	my ($map) = @_;
		1476
		1477	my @diag; # diagonal neighbours
		1478
		1479	for (0 .. 3) {
		1480	my $neigh = $map->tile_path ($_)
		1481	or next;
		1482	$neigh = find $neigh, $map
		1483	or next;
		1484	$neigh->load;
		1485
		1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1488	}
		1489
		1490	for (@diag) {
		1491	my $neigh = find @$_
		1492	or next;
		1493	$neigh->load;
		1494	}
1270	}	1495	}
1271		1496
1272	sub find_sync {	1497	sub find_sync {
1273	my ($path, $origin) = @_;	1498	my ($path, $origin) = @_;
1274		1499
1275	cf::sync_job {	1500	cf::sync_job { find $path, $origin }
1276	my $map = cf::map::find $path, $origin;
1277	$map
1278	}
1279	}	1501	}
1280		1502
1281	sub do_load_sync {	1503	sub do_load_sync {
1282	my ($map) = @_;	1504	my ($map) = @_;
1283		1505
1284	cf::sync_job { $map->load };	1506	cf::sync_job { $map->load };
1285	}	1507	}
1286		1508
		1509	our %MAP_PREFETCH;
		1510	our $MAP_PREFETCHER = undef;
		1511
		1512	sub find_async {
		1513	my ($path, $origin) = @_;
		1514
		1515	$path = normalise $path, $origin && $origin->{path};
		1516
		1517	if (my $map = $cf::MAP{$path}) {
		1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1519	}
		1520
		1521	undef $MAP_PREFETCH{$path};
		1522	$MAP_PREFETCHER ||= cf::async {
		1523	while (%MAP_PREFETCH) {
		1524	for my $path (keys %MAP_PREFETCH) {
		1525	my $map = find $path
		1526	or next;
		1527	$map->load;
		1528
		1529	delete $MAP_PREFETCH{$path};
		1530	}
		1531	}
		1532	undef $MAP_PREFETCHER;
		1533	};
		1534	$MAP_PREFETCHER->prio (6);
		1535
		1536	()
		1537	}
		1538
1287	sub save {	1539	sub save {
1288	my ($self) = @_;	1540	my ($self) = @_;
1289		1541
1290	my $lock = cf::lock_acquire "map_data:" . $self->path;	1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1291		1543
1292	$self->{last_save} = $cf::RUNTIME;	1544	$self->{last_save} = $cf::RUNTIME;
1293		1545
1294	return unless $self->dirty;	1546	return unless $self->dirty;
1295		1547
1296	my $save = $self->{path}->save_path; utf8::encode $save;	1548	my $save = $self->save_path; utf8::encode $save;
1297	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1549	my $uniq = $self->uniq_path; utf8::encode $uniq;
1298		1550
1299	$self->{load_path} = $save;	1551	$self->{load_path} = $save;
1300		1552
1301	return if $self->{deny_save};	1553	return if $self->{deny_save};
1302		1554
1303	local $self->{last_access} = $self->last_access;#d#	1555	local $self->{last_access} = $self->last_access;#d#
1304		1556
		1557	cf::async {
		1558	$_->contr->save for $self->players;
		1559	};
		1560
1305	if ($uniq) {	1561	if ($uniq) {
1306	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1307	$self->save_objects ($uniq, cf::IO_UNIQUES);	1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1308	} else {	1564	} else {
1309	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1565	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1310	}	1566	}
1311	}	1567	}
1312		1568
1313	sub swap_out {	1569	sub swap_out {
1314	my ($self) = @_;	1570	my ($self) = @_;
…		…
1328		1584
1329	sub reset_at {	1585	sub reset_at {
1330	my ($self) = @_;	1586	my ($self) = @_;
1331		1587
1332	# TODO: safety, remove and allow resettable per-player maps	1588	# TODO: safety, remove and allow resettable per-player maps
1333	return 1e99 if $self->{path}{user_rel};	1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1334	return 1e99 if $self->{deny_reset};	1590	return 1e99 if $self->{deny_reset};
1335		1591
1336	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1337	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1338		1594
…		…
1343	my ($self) = @_;	1599	my ($self) = @_;
1344		1600
1345	$self->reset_at <= $cf::RUNTIME	1601	$self->reset_at <= $cf::RUNTIME
1346	}	1602	}
1347		1603
1348	sub unlink_save {
1349	my ($self) = @_;
1350
1351	utf8::encode (my $save = $self->{path}->save_path);
1352	aioreq_pri 3; IO::AIO::aio_unlink $save;
1353	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1354	}
1355
1356	sub rename {
1357	my ($self, $new_path) = @_;
1358
1359	$self->unlink_save;
1360
1361	delete $cf::MAP{$self->path};
1362	$self->{path} = new cf::path $new_path;
1363	$self->path ($self->{path}->as_string);
1364	$cf::MAP{$self->path} = $self;
1365
1366	$self->save;
1367	}
1368
1369	sub reset {	1604	sub reset {
1370	my ($self) = @_;	1605	my ($self) = @_;
1371		1606
1372	my $lock = cf::lock_acquire "map_data:" . $self->path;	1607	my $lock = cf::lock_acquire "map_data:$self->{path}";
1373		1608
1374	return if $self->players;	1609	return if $self->players;
1375	return if $self->{path}{user_rel};#d#	1610	return if $self->isa ("ext::map_per_player");#d#
1376		1611
1377	warn "resetting map ", $self->path;#d#	1612	warn "resetting map ", $self->path;#d#
1378		1613
		1614	$self->in_memory (cf::MAP_SWAPPED);
		1615
		1616	# need to save uniques path
		1617	unless ($self->{deny_save}) {
		1618	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1619
		1620	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1621	if $uniq;
		1622	}
		1623
1379	delete $cf::MAP{$self->path};	1624	delete $cf::MAP{$self->path};
		1625
		1626	$self->clear;
1380		1627
1381	$_->clear_links_to ($self) for values %cf::MAP;	1628	$_->clear_links_to ($self) for values %cf::MAP;
1382		1629
1383	$self->unlink_save;	1630	$self->unlink_save;
1384	$self->destroy;	1631	$self->destroy;
…		…
1387	my $nuke_counter = "aaaa";	1634	my $nuke_counter = "aaaa";
1388		1635
1389	sub nuke {	1636	sub nuke {
1390	my ($self) = @_;	1637	my ($self) = @_;
1391		1638
		1639	delete $cf::MAP{$self->path};
		1640
		1641	$self->unlink_save;
		1642
		1643	bless $self, "cf::map";
		1644	delete $self->{deny_reset};
1392	$self->{deny_save} = 1;	1645	$self->{deny_save} = 1;
1393	$self->reset_timeout (1);	1646	$self->reset_timeout (1);
1394	$self->rename ("{nuke}/" . ($nuke_counter++));	1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1648
		1649	$cf::MAP{$self->path} = $self;
		1650
1395	$self->reset; # polite request, might not happen	1651	$self->reset; # polite request, might not happen
1396	}	1652	}
1397		1653
1398	sub customise_for {	1654	=item cf::map::unique_maps
1399	my ($map, $ob) = @_;
1400		1655
1401	if ($map->per_player) {	1656	Returns an arrayref of paths of all shared maps that have
1402	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1657	instantiated unique items. May block.
1403	}
1404		1658
1405	$map	1659	=cut
1406	}
1407		1660
1408	sub emergency_save {	1661	sub unique_maps() {
1409	my $freeze_guard = cf::freeze_mainloop;	1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1663	or return;
1410		1664
1411	warn "enter emergency map save\n";	1665	my @paths;
1412		1666
1413	cf::sync_job {	1667	for (@$files) {
1414	warn "begin emergency map save\n";	1668	utf8::decode $_;
1415	$_->save for values %cf::MAP;	1669	next if /\.pst$/;
		1670	next unless /^$PATH_SEP/o;
		1671
		1672	push @paths, cf::map::normalise $_;
1416	};	1673	}
1417		1674
1418	warn "end emergency map save\n";	1675	\@paths
1419	}	1676	}
1420		1677
1421	package cf;	1678	package cf;
1422		1679
1423	=back	1680	=back
1424		1681
		1682	=head3 cf::object
		1683
		1684	=cut
		1685
		1686	package cf::object;
		1687
		1688	=over 4
		1689
		1690	=item $ob->inv_recursive
		1691
		1692	Returns the inventory of the object _and_ their inventories, recursively.
		1693
		1694	=cut
		1695
		1696	sub inv_recursive_;
		1697	sub inv_recursive_ {
		1698	map { $_, inv_recursive_ $_->inv } @_
		1699	}
		1700
		1701	sub inv_recursive {
		1702	inv_recursive_ inv $_[0]
		1703	}
		1704
		1705	package cf;
		1706
		1707	=back
1425		1708
1426	=head3 cf::object::player	1709	=head3 cf::object::player
1427		1710
1428	=over 4	1711	=over 4
1429		1712
…		…
1469		1752
1470	=item $player_object->enter_link	1753	=item $player_object->enter_link
1471		1754
1472	Freezes the player and moves him/her to a special map (C<{link}>).	1755	Freezes the player and moves him/her to a special map (C<{link}>).
1473		1756
1474	The player should be reaosnably safe there for short amounts of time. You	1757	The player should be reasonably safe there for short amounts of time. You
1475	I<MUST> call C<leave_link> as soon as possible, though.	1758	I<MUST> call C<leave_link> as soon as possible, though.
1476		1759
		1760	Will never block.
		1761
1477	=item $player_object->leave_link ($map, $x, $y)	1762	=item $player_object->leave_link ($map, $x, $y)
1478		1763
1479	Moves the player out of the specila link map onto the given map. If the	1764	Moves the player out of the special C<{link}> map onto the specified
1480	map is not valid (or omitted), the player will be moved back to the	1765	map. If the map is not valid (or omitted), the player will be moved back
1481	location he/she was before the call to C<enter_link>, or, if that fails,	1766	to the location he/she was before the call to C<enter_link>, or, if that
1482	to the emergency map position.	1767	fails, to the emergency map position.
1483		1768
1484	Might block.	1769	Might block.
1485		1770
1486	=cut	1771	=cut
		1772
		1773	sub link_map {
		1774	unless ($LINK_MAP) {
		1775	$LINK_MAP = cf::map::find "{link}"
		1776	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1777	$LINK_MAP->load;
		1778	}
		1779
		1780	$LINK_MAP
		1781	}
1487		1782
1488	sub cf::object::player::enter_link {	1783	sub cf::object::player::enter_link {
1489	my ($self) = @_;	1784	my ($self) = @_;
1490		1785
1491	$self->deactivate_recursive;	1786	$self->deactivate_recursive;
1492		1787
1493	return if $self->map == $LINK_MAP;	1788	return if UNIVERSAL::isa $self->map, "ext::map_link";
1494		1789
1495	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1496	if $self->map;	1791	if $self->map;
1497		1792
1498	$self->enter_map ($LINK_MAP, 20, 20);	1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1499	}	1794	}
1500		1795
1501	sub cf::object::player::leave_link {	1796	sub cf::object::player::leave_link {
1502	my ($self, $map, $x, $y) = @_;	1797	my ($self, $map, $x, $y) = @_;
1503		1798
…		…
1521	# use -1 or undef as default coordinates, not 0, 0	1816	# use -1 or undef as default coordinates, not 0, 0
1522	($x, $y) = ($map->enter_x, $map->enter_y)	1817	($x, $y) = ($map->enter_x, $map->enter_y)
1523	if $x <=0 && $y <= 0;	1818	if $x <=0 && $y <= 0;
1524		1819
1525	$map->load;	1820	$map->load;
		1821	$map->load_diag;
1526		1822
		1823	return unless $self->contr->active;
1527	$self->activate_recursive;	1824	$self->activate_recursive;
		1825
		1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1528	$self->enter_map ($map, $x, $y);	1827	$self->enter_map ($map, $x, $y);
1529	}	1828	}
1530		1829
1531	cf::player->attach (	1830	cf::player->attach (
1532	on_logout => sub {	1831	on_logout => sub {
…		…
1543	my ($pl) = @_;	1842	my ($pl) = @_;
1544		1843
1545	# try to abort aborted map switching on player login :)	1844	# try to abort aborted map switching on player login :)
1546	# should happen only on crashes	1845	# should happen only on crashes
1547	if ($pl->ob->{_link_pos}) {	1846	if ($pl->ob->{_link_pos}) {
1548
1549	$pl->ob->enter_link;	1847	$pl->ob->enter_link;
1550	(Coro::async_pool {	1848	(async {
		1849	$pl->ob->reply (undef,
		1850	"There was an internal problem at your last logout, "
		1851	. "the server will try to bring you to your intended destination in a second.",
		1852	cf::NDI_RED);
1551	# we need this sleep as the login has a concurrent enter_exit running	1853	# we need this sleep as the login has a concurrent enter_exit running
1552	# and this sleep increases chances of the player not ending up in scorn	1854	# and this sleep increases chances of the player not ending up in scorn
1553	Coro::Timer::sleep 1;	1855	Coro::Timer::sleep 1;
1554	$pl->ob->leave_link;	1856	$pl->ob->leave_link;
1555	})->prio (2);	1857	})->prio (2);
…		…
1564	sub cf::object::player::goto {	1866	sub cf::object::player::goto {
1565	my ($self, $path, $x, $y) = @_;	1867	my ($self, $path, $x, $y) = @_;
1566		1868
1567	$self->enter_link;	1869	$self->enter_link;
1568		1870
1569	(Coro::async_pool {	1871	(async {
1570	$path = new cf::path $path;	1872	my $map = eval {
1571
1572	my $map = cf::map::find $path->as_string;	1873	my $map = cf::map::find $path;
1573	$map = $map->customise_for ($self) if $map;	1874	$map = $map->customise_for ($self) if $map;
1574		1875	$map
1575	# warn "entering ", $map->path, " at ($x, $y)\n"	1876	} or
1576	# if $map;
1577
1578	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1579		1878
1580	$self->leave_link ($map, $x, $y);	1879	$self->leave_link ($map, $x, $y);
1581	})->prio (1);	1880	})->prio (1);
1582	}	1881	}
1583		1882
…		…
1587		1886
1588	sub parse_random_map_params {	1887	sub parse_random_map_params {
1589	my ($spec) = @_;	1888	my ($spec) = @_;
1590		1889
1591	my $rmp = { # defaults	1890	my $rmp = { # defaults
1592	xsize => 10,	1891	xsize => (cf::rndm 15, 40),
1593	ysize => 10,	1892	ysize => (cf::rndm 15, 40),
		1893	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1894	#layout => string,
1594	};	1895	};
1595		1896
1596	for (split /\n/, $spec) {	1897	for (split /\n/, $spec) {
1597	my ($k, $v) = split /\s+/, $_, 2;	1898	my ($k, $v) = split /\s+/, $_, 2;
1598		1899
…		…
1602	$rmp	1903	$rmp
1603	}	1904	}
1604		1905
1605	sub prepare_random_map {	1906	sub prepare_random_map {
1606	my ($exit) = @_;	1907	my ($exit) = @_;
		1908
		1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1607		1910
1608	# all this does is basically replace the /! path by	1911	# all this does is basically replace the /! path by
1609	# a new random map path (?random/...) with a seed	1912	# a new random map path (?random/...) with a seed
1610	# that depends on the exit object	1913	# that depends on the exit object
1611		1914
1612	my $rmp = parse_random_map_params $exit->msg;	1915	my $rmp = parse_random_map_params $exit->msg;
1613		1916
1614	if ($exit->map) {	1917	if ($exit->map) {
1615	$rmp->{region} = $exit->map->region_name;	1918	$rmp->{region} = $exit->region->name;
1616	$rmp->{origin_map} = $exit->map->path;	1919	$rmp->{origin_map} = $exit->map->path;
1617	$rmp->{origin_x} = $exit->x;	1920	$rmp->{origin_x} = $exit->x;
1618	$rmp->{origin_y} = $exit->y;	1921	$rmp->{origin_y} = $exit->y;
1619	}	1922	}
1620		1923
1621	$rmp->{random_seed} ||= $exit->random_seed;	1924	$rmp->{random_seed} ||= $exit->random_seed;
1622		1925
1623	my $data = cf::to_json $rmp;	1926	my $data = cf::to_json $rmp;
1624	my $md5 = Digest::MD5::md5_hex $data;	1927	my $md5 = Digest::MD5::md5_hex $data;
		1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1625		1929
1626	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1627	aio_write $fh, 0, (length $data), $data, 0;	1931	aio_write $fh, 0, (length $data), $data, 0;
		1932	undef $fh;
		1933	aio_rename "$meta~", $meta;
1628		1934
1629	$exit->slaying ("?random/$md5");	1935	$exit->slaying ("?random/$md5");
1630	$exit->msg (undef);	1936	$exit->msg (undef);
1631	}	1937	}
1632	}	1938	}
…		…
1634	sub cf::object::player::enter_exit {	1940	sub cf::object::player::enter_exit {
1635	my ($self, $exit) = @_;	1941	my ($self, $exit) = @_;
1636		1942
1637	return unless $self->type == cf::PLAYER;	1943	return unless $self->type == cf::PLAYER;
1638		1944
		1945	if ($exit->slaying eq "/!") {
		1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1947	cf::sync_job { prepare_random_map $exit };
		1948	}
		1949
		1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1951	my $hp = $exit->stats->hp;
		1952	my $sp = $exit->stats->sp;
		1953
1639	$self->enter_link;	1954	$self->enter_link;
1640		1955
1641	(Coro::async_pool {	1956	(async {
1642	$self->deactivate_recursive; # just to be sure	1957	$self->deactivate_recursive; # just to be sure
1643	unless (eval {	1958	unless (eval {
1644	prepare_random_map $exit	1959	$self->goto ($slaying, $hp, $sp);
1645	if $exit->slaying eq "/!";
1646
1647	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1648	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1649		1960
1650	1;	1961	1;
1651	}) {	1962	}) {
1652	$self->message ("Something went wrong deep within the crossfire server. "	1963	$self->message ("Something went wrong deep within the crossfire server. "
1653	. "I'll try to bring you back to the map you were before. "	1964	. "I'll try to bring you back to the map you were before. "
1654	. "Please report this to the dungeon master",	1965	. "Please report this to the dungeon master!",
1655	cf::NDI_UNIQUE | cf::NDI_RED);	1966	cf::NDI_UNIQUE | cf::NDI_RED);
1656		1967
1657	warn "ERROR in enter_exit: $@";	1968	warn "ERROR in enter_exit: $@";
1658	$self->leave_link;	1969	$self->leave_link;
1659	}	1970	}
…		…
1673		1984
1674	sub cf::client::send_drawinfo {	1985	sub cf::client::send_drawinfo {
1675	my ($self, $text, $flags) = @_;	1986	my ($self, $text, $flags) = @_;
1676		1987
1677	utf8::encode $text;	1988	utf8::encode $text;
1678	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1679	}	1990	}
1680		1991
1681		1992
1682	=item $success = $client->query ($flags, "text", \&cb)	1993	=item $success = $client->query ($flags, "text", \&cb)
1683		1994
…		…
1714	# get handled first	2025	# get handled first
1715	my $queue = delete $ns->{query_queue}	2026	my $queue = delete $ns->{query_queue}
1716	or return; # be conservative, not sure how that can happen, but we saw a crash here	2027	or return; # be conservative, not sure how that can happen, but we saw a crash here
1717		2028
1718	(shift @$queue)->[1]->($msg);	2029	(shift @$queue)->[1]->($msg);
		2030	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1719		2031
1720	push @{ $ns->{query_queue} }, @$queue;	2032	push @{ $ns->{query_queue} }, @$queue;
1721		2033
1722	if (@{ $ns->{query_queue} } == @$queue) {	2034	if (@{ $ns->{query_queue} } == @$queue) {
1723	if (@$queue) {	2035	if (@$queue) {
…		…
1727	}	2039	}
1728	}	2040	}
1729	},	2041	},
1730	);	2042	);
1731		2043
1732	=item $client->coro (\&cb)	2044	=item $client->async (\&cb)
1733		2045
1734	Create a new coroutine, running the specified callback. The coroutine will	2046	Create a new coroutine, running the specified callback. The coroutine will
1735	be automatically cancelled when the client gets destroyed (e.g. on logout,	2047	be automatically cancelled when the client gets destroyed (e.g. on logout,
1736	or loss of connection).	2048	or loss of connection).
1737		2049
1738	=cut	2050	=cut
1739		2051
1740	sub cf::client::coro {	2052	sub cf::client::async {
1741	my ($self, $cb) = @_;	2053	my ($self, $cb) = @_;
1742		2054
1743	my $coro = &Coro::async_pool ($cb);	2055	my $coro = &Coro::async ($cb);
1744		2056
1745	$coro->on_destroy (sub {	2057	$coro->on_destroy (sub {
1746	delete $self->{_coro}{$coro+0};	2058	delete $self->{_coro}{$coro+0};
1747	});	2059	});
1748		2060
…		…
1884	The parameter C<$family> should best start with the name of the extension	2196	The parameter C<$family> should best start with the name of the extension
1885	using it, it should be unique.	2197	using it, it should be unique.
1886		2198
1887	=over 4	2199	=over 4
1888		2200
1889	=item $hashref = cf::db_get $family
1890
1891	Return a hashref for use by the extension C<$family>, which can be
1892	modified. After modifications, you have to call C<cf::db_dirty> or
1893	C<cf::db_sync>.
1894
1895	=item $value = cf::db_get $family => $key	2201	=item $value = cf::db_get $family => $key
1896		2202
1897	Returns a single value from the database	2203	Returns a single value from the database.
1898
1899	=item cf::db_put $family => $hashref
1900
1901	Stores the given family hashref into the database. Updates are delayed, if
1902	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1903		2204
1904	=item cf::db_put $family => $key => $value	2205	=item cf::db_put $family => $key => $value
1905		2206
1906	Stores the given C<$value> in the family hash. Updates are delayed, if you	2207	Stores the given C<$value> in the family.
1907	want the data to be synced to disk immediately, use C<cf::db_sync>.
1908
1909	=item cf::db_dirty
1910
1911	Marks the database as dirty, to be updated at a later time.
1912
1913	=item cf::db_sync
1914
1915	Immediately write the database to disk I<if it is dirty>.
1916		2208
1917	=cut	2209	=cut
1918		2210
1919	our $DB;	2211	our $DB;
1920		2212
1921	{	2213	sub db_init {
		2214	unless ($DB) {
		2215	$DB = BDB::db_create $DB_ENV;
		2216
		2217	cf::sync_job {
		2218	eval {
		2219	$DB->set_flags (BDB::CHKSUM);
		2220
		2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2223	cf::cleanup "db_open(db): $!" if $!;
		2224	};
		2225	cf::cleanup "db_open(db): $@" if $@;
		2226	};
		2227
1922	my $path = cf::localdir . "/database.pst";	2228	my $path = cf::localdir . "/database.pst";
		2229	if (stat $path) {
		2230	cf::sync_job {
		2231	my $pst = Storable::retrieve $path;
1923		2232
1924	sub db_load() {	2233	cf::db_put (board => data => $pst->{board});
1925	$DB = stat $path ? Storable::retrieve $path : { };	2234	cf::db_put (guildrules => data => $pst->{guildrules});
1926	}	2235	cf::db_put (rent => balance => $pst->{rent}{balance});
		2236	BDB::db_env_txn_checkpoint $DB_ENV;
1927		2237
1928	my $pid;	2238	unlink $path;
1929
1930	sub db_save() {
1931	waitpid $pid, 0 if $pid;
1932	if (0 == ($pid = fork)) {
1933	$DB->{_meta}{version} = 1;
1934	Storable::nstore $DB, "$path~";
1935	rename "$path~", $path;
1936	cf::_exit 0 if defined $pid;
1937	}	2239	};
1938	}	2240	}
1939
1940	my $dirty;
1941
1942	sub db_sync() {
1943	db_save if $dirty;
1944	undef $dirty;
1945	}
1946
1947	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1948	db_sync;
1949	});	2241	}
		2242	}
1950		2243
1951	sub db_dirty() {
1952	$dirty = 1;
1953	$idle->start;
1954	}
1955
1956	sub db_get($;$) {	2244	sub db_get($$) {
1957	@_ >= 2	2245	my $key = "$_[0]/$_[1]";
1958	? $DB->{$_[0]}{$_[1]}
1959	: ($DB->{$_[0]} ||= { })
1960	}
1961		2246
		2247	cf::sync_job {
		2248	BDB::db_get $DB, undef, $key, my $data;
		2249
		2250	$! ? ()
		2251	: Compress::LZF::sthaw $data
		2252	}
		2253	}
		2254
1962	sub db_put($$;$) {	2255	sub db_put($$$) {
1963	if (@_ >= 3) {	2256	BDB::dbreq_pri 4;
1964	$DB->{$_[0]}{$_[1]} = $_[2];	2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2258	}
		2259
		2260	#############################################################################
		2261	# the server's init and main functions
		2262
		2263	sub load_faces {
		2264	my $path = sprintf "%s/faces", cf::datadir;
		2265
		2266	warn "loading faces from $path\n";
		2267
		2268	my $faces;
		2269	0 < aio_load $path, $faces
		2270	or die "$path: $!";
		2271
		2272	Coro::cede;
		2273	$faces = Storable::thaw $faces;
		2274	Coro::cede;
		2275
		2276	my $meta = delete $faces->{""};
		2277	$meta->{version} == 1
		2278	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2279
		2280	while (my ($face, $info) = each %$faces) {
		2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2284	Coro::cede;
		2285	}
		2286
		2287	while (my ($face, $info) = each %$faces) {
		2288	next unless $info->{smooth};
		2289	my $idx = cf::face::find $face
		2290	or next;
		2291	if (my $smooth = cf::face::find $info->{smooth}) {
		2292	cf::face::set_smooth $idx, $smooth;
1965	} else {	2293	} else {
1966	$DB->{$_[0]} = $_[1];	2294	warn "smooth face '$info->{smooth}' not found for face '$face'";
1967	}
1968	db_dirty;
1969	}
1970
1971	cf::global->attach (
1972	prio => 10000,
1973	on_cleanup => sub {
1974	db_sync;
1975	},	2295	}
1976	);	2296	Coro::cede;
1977	}	2297	}
1978		2298
1979	#############################################################################	2299	1
1980	# the server's main()	2300	}
		2301
		2302	sub reload_resources {
		2303	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2304	or die "unable to load regions file\n";#d#
		2305	load_faces
		2306	or die "unable to load faces\n";#d#
		2307	}
		2308
		2309	sub init {
		2310	reload_resources;
		2311	}
1981		2312
1982	sub cfg_load {	2313	sub cfg_load {
1983	open my $fh, "<:utf8", cf::confdir . "/config"	2314	open my $fh, "<:utf8", cf::confdir . "/config"
1984	or return;	2315	or return;
1985		2316
…		…
1991	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2322	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
1992	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	2323	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
1993		2324
1994	if (exists $CFG{mlockall}) {	2325	if (exists $CFG{mlockall}) {
1995	eval {	2326	eval {
1996	$CFG{mlockall} ? &mlockall : &munlockall	2327	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1997	and die "WARNING: m(un)lockall failed: $!\n";	2328	and die "WARNING: m(un)lockall failed: $!\n";
1998	};	2329	};
1999	warn $@ if $@;	2330	warn $@ if $@;
2000	}	2331	}
2001	}	2332	}
2002		2333
2003	sub main {	2334	sub main {
2004	# we must not ever block the main coroutine	2335	# we must not ever block the main coroutine
2005	local $Coro::idle = sub {	2336	local $Coro::idle = sub {
2006	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2337	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2007	Coro::async_pool { Event::one_event };	2338	(async {
		2339	Event::one_event;
		2340	})->prio (Coro::PRIO_MAX);
2008	};	2341	};
2009		2342
2010	cfg_load;	2343	cfg_load;
2011	db_load;	2344	db_init;
2012	load_extensions;	2345	load_extensions;
		2346
		2347	$TICK_WATCHER->start;
2013	Event::loop;	2348	Event::loop;
2014	}	2349	}
2015		2350
2016	#############################################################################	2351	#############################################################################
2017	# initialisation	2352	# initialisation and cleanup
		2353
		2354	# install some emergency cleanup handlers
		2355	BEGIN {
		2356	for my $signal (qw(INT HUP TERM)) {
		2357	Event->signal (
		2358	reentrant => 0,
		2359	data => WF_AUTOCANCEL,
		2360	signal => $signal,
		2361	prio => 0,
		2362	cb => sub {
		2363	cf::cleanup "SIG$signal";
		2364	},
		2365	);
		2366	}
		2367	}
		2368
		2369	sub emergency_save() {
		2370	my $freeze_guard = cf::freeze_mainloop;
		2371
		2372	warn "enter emergency perl save\n";
		2373
		2374	cf::sync_job {
		2375	# use a peculiar iteration method to avoid tripping on perl
		2376	# refcount bugs in for. also avoids problems with players
		2377	# and maps saved/destroyed asynchronously.
		2378	warn "begin emergency player save\n";
		2379	for my $login (keys %cf::PLAYER) {
		2380	my $pl = $cf::PLAYER{$login} or next;
		2381	$pl->valid or next;
		2382	$pl->save;
		2383	}
		2384	warn "end emergency player save\n";
		2385
		2386	warn "begin emergency map save\n";
		2387	for my $path (keys %cf::MAP) {
		2388	my $map = $cf::MAP{$path} or next;
		2389	$map->valid or next;
		2390	$map->save;
		2391	}
		2392	warn "end emergency map save\n";
		2393
		2394	warn "begin emergency database checkpoint\n";
		2395	BDB::db_env_txn_checkpoint $DB_ENV;
		2396	warn "end emergency database checkpoint\n";
		2397	};
		2398
		2399	warn "leave emergency perl save\n";
		2400	}
		2401
		2402	sub post_cleanup {
		2403	my ($make_core) = @_;
		2404
		2405	warn Carp::longmess "post_cleanup backtrace"
		2406	if $make_core;
		2407	}
2018		2408
2019	sub reload() {	2409	sub reload() {
2020	# can/must only be called in main	2410	# can/must only be called in main
2021	if ($Coro::current != $Coro::main) {	2411	if ($Coro::current != $Coro::main) {
2022	warn "can only reload from main coroutine\n";	2412	warn "can only reload from main coroutine";
2023	return;	2413	return;
2024	}	2414	}
2025		2415
2026	warn "reloading...";	2416	warn "reloading...";
2027		2417
2028	my $guard = freeze_mainloop;	2418	warn "entering sync_job";
		2419
		2420	cf::sync_job {
		2421	cf::write_runtime; # external watchdog should not bark
2029	cf::emergency_save;	2422	cf::emergency_save;
		2423	cf::write_runtime; # external watchdog should not bark
2030		2424
2031	eval {	2425	warn "syncing database to disk";
		2426	BDB::db_env_txn_checkpoint $DB_ENV;
		2427
2032	# if anything goes wrong in here, we should simply crash as we already saved	2428	# if anything goes wrong in here, we should simply crash as we already saved
2033		2429
2034	# cancel all watchers	2430	warn "cancelling all WF_AUTOCANCEL watchers";
2035	for (Event::all_watchers) {	2431	for (Event::all_watchers) {
2036	$_->cancel if $_->data & WF_AUTOCANCEL;	2432	$_->cancel if $_->data & WF_AUTOCANCEL;
2037	}	2433	}
2038		2434
		2435	warn "flushing outstanding aio requests";
		2436	for (;;) {
		2437	BDB::flush;
		2438	IO::AIO::flush;
		2439	Coro::cede;
		2440	last unless IO::AIO::nreqs || BDB::nreqs;
		2441	warn "iterate...";
		2442	}
		2443
		2444	++$RELOAD;
		2445
2039	# cancel all extension coros	2446	warn "cancelling all extension coros";
2040	$_->cancel for values %EXT_CORO;	2447	$_->cancel for values %EXT_CORO;
2041	%EXT_CORO = ();	2448	%EXT_CORO = ();
2042		2449
2043	# unload all extensions	2450	warn "removing commands";
2044	for (@exts) {	2451	%COMMAND = ();
		2452
		2453	warn "removing ext commands";
		2454	%EXTCMD = ();
		2455
		2456	warn "unloading/nuking all extensions";
		2457	for my $pkg (@EXTS) {
2045	warn "unloading <$_>";	2458	warn "... unloading $pkg";
2046	unload_extension $_;	2459
		2460	if (my $cb = $pkg->can ("unload")) {
		2461	eval {
		2462	$cb->($pkg);
		2463	1
		2464	} or warn "$pkg unloaded, but with errors: $@";
2047	}	2465	}
2048		2466
		2467	warn "... nuking $pkg";
		2468	Symbol::delete_package $pkg;
		2469	}
		2470
2049	# unload all modules loaded from $LIBDIR	2471	warn "unloading all perl modules loaded from $LIBDIR";
2050	while (my ($k, $v) = each %INC) {	2472	while (my ($k, $v) = each %INC) {
2051	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2473	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2052		2474
2053	warn "removing <$k>";	2475	warn "... unloading $k";
2054	delete $INC{$k};	2476	delete $INC{$k};
2055		2477
2056	$k =~ s/\.pm$//;	2478	$k =~ s/\.pm$//;
2057	$k =~ s/\//::/g;	2479	$k =~ s/\//::/g;
2058		2480
…		…
2061	}	2483	}
2062		2484
2063	Symbol::delete_package $k;	2485	Symbol::delete_package $k;
2064	}	2486	}
2065		2487
2066	# sync database to disk
2067	cf::db_sync;
2068	IO::AIO::flush;
2069
2070	# get rid of safe::, as good as possible	2488	warn "getting rid of safe::, as good as possible";
2071	Symbol::delete_package "safe::$_"	2489	Symbol::delete_package "safe::$_"
2072	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2490	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2073		2491
2074	# remove register_script_function callbacks
2075	# TODO
2076
2077	# unload cf.pm "a bit"	2492	warn "unloading cf.pm \"a bit\"";
2078	delete $INC{"cf.pm"};	2493	delete $INC{"cf.pm"};
2079		2494
2080	# don't, removes xs symbols, too,	2495	# don't, removes xs symbols, too,
2081	# and global variables created in xs	2496	# and global variables created in xs
2082	#Symbol::delete_package __PACKAGE__;	2497	#Symbol::delete_package __PACKAGE__;
2083		2498
2084	# reload cf.pm	2499	warn "unload completed, starting to reload now";
		2500
2085	warn "reloading cf.pm";	2501	warn "reloading cf.pm";
2086	require cf;	2502	require cf;
2087	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2503	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2088		2504
2089	# load config and database again	2505	warn "loading config and database again";
2090	cf::cfg_load;	2506	cf::cfg_load;
2091	cf::db_load;
2092		2507
2093	# load extensions
2094	warn "load extensions";	2508	warn "loading extensions";
2095	cf::load_extensions;	2509	cf::load_extensions;
2096		2510
2097	# reattach attachments to objects	2511	warn "reattaching attachments to objects/players";
2098	warn "reattach";	2512	_global_reattach; # objects, sockets
2099	_global_reattach;	2513	warn "reattaching attachments to maps";
2100	};	2514	reattach $_ for values %MAP;
		2515	warn "reattaching attachments to players";
		2516	reattach $_ for values %PLAYER;
2101		2517
2102	if ($@) {	2518	warn "loading reloadable resources";
		2519	reload_resources;
		2520
		2521	warn "leaving sync_job";
		2522
		2523	1
		2524	} or do {
2103	warn $@;	2525	warn $@;
2104	warn "error while reloading, exiting.";	2526	warn "error while reloading, exiting.";
2105	exit 1;	2527	exit 1;
2106	}	2528	};
2107		2529
2108	warn "reloaded successfully";	2530	warn "reloaded";
2109	};	2531	};
2110		2532
2111	#############################################################################	2533	our $RELOAD_WATCHER; # used only during reload
2112
2113	unless ($LINK_MAP) {
2114	$LINK_MAP = cf::map::new;
2115
2116	$LINK_MAP->width (41);
2117	$LINK_MAP->height (41);
2118	$LINK_MAP->alloc;
2119	$LINK_MAP->path ("{link}");
2120	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2121	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2122
2123	# dirty hack because... archetypes are not yet loaded
2124	Event->timer (
2125	after => 2,
2126	cb => sub {
2127	$_[0]->w->cancel;
2128
2129	# provide some exits "home"
2130	my $exit = cf::object::new "exit";
2131
2132	$exit->slaying ($EMERGENCY_POSITION->[0]);
2133	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2134	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2135
2136	$LINK_MAP->insert ($exit->clone, 19, 19);
2137	$LINK_MAP->insert ($exit->clone, 19, 20);
2138	$LINK_MAP->insert ($exit->clone, 19, 21);
2139	$LINK_MAP->insert ($exit->clone, 20, 19);
2140	$LINK_MAP->insert ($exit->clone, 20, 21);
2141	$LINK_MAP->insert ($exit->clone, 21, 19);
2142	$LINK_MAP->insert ($exit->clone, 21, 20);
2143	$LINK_MAP->insert ($exit->clone, 21, 21);
2144
2145	$exit->destroy;
2146	});
2147
2148	$LINK_MAP->{deny_save} = 1;
2149	$LINK_MAP->{deny_reset} = 1;
2150
2151	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2152	}
2153
2154	register "<global>", __PACKAGE__;
2155		2534
2156	register_command "reload" => sub {	2535	register_command "reload" => sub {
2157	my ($who, $arg) = @_;	2536	my ($who, $arg) = @_;
2158		2537
2159	if ($who->flag (FLAG_WIZ)) {	2538	if ($who->flag (FLAG_WIZ)) {
2160	$who->message ("start of reload.");	2539	$who->message ("reloading server.");
		2540
		2541	# doing reload synchronously and two reloads happen back-to-back,
		2542	# coro crashes during coro_state_free->destroy here.
		2543
		2544	$RELOAD_WATCHER ||= Event->timer (
		2545	reentrant => 0,
		2546	after => 0,
		2547	data => WF_AUTOCANCEL,
		2548	cb => sub {
2161	reload;	2549	reload;
2162	$who->message ("end of reload.");	2550	undef $RELOAD_WATCHER;
		2551	},
		2552	);
2163	}	2553	}
2164	};	2554	};
2165		2555
2166	unshift @INC, $LIBDIR;	2556	unshift @INC, $LIBDIR;
		2557
		2558	my $bug_warning = 0;
2167		2559
2168	$TICK_WATCHER = Event->timer (	2560	$TICK_WATCHER = Event->timer (
2169	reentrant => 0,	2561	reentrant => 0,
		2562	parked => 1,
2170	prio => 0,	2563	prio => 0,
2171	at => $NEXT_TICK || $TICK,	2564	at => $NEXT_TICK || $TICK,
2172	data => WF_AUTOCANCEL,	2565	data => WF_AUTOCANCEL,
2173	cb => sub {	2566	cb => sub {
		2567	if ($Coro::current != $Coro::main) {
		2568	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2569	unless ++$bug_warning > 10;
		2570	return;
		2571	}
		2572
		2573	$NOW = Event::time;
		2574
2174	cf::server_tick; # one server iteration	2575	cf::server_tick; # one server iteration
2175	$RUNTIME += $TICK;	2576	$RUNTIME += $TICK;
2176	$NEXT_TICK += $TICK;	2577	$NEXT_TICK += $TICK;
		2578
		2579	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2580	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2581	Coro::async_pool {
		2582	write_runtime
		2583	or warn "ERROR: unable to write runtime file: $!";
		2584	};
		2585	}
		2586
		2587	$WAIT_FOR_TICK->broadcast;
		2588	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2589
		2590	# my $AFTER = Event::time;
		2591	# warn $AFTER - $NOW;#d#
2177		2592
2178	# if we are delayed by four ticks or more, skip them all	2593	# if we are delayed by four ticks or more, skip them all
2179	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2594	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2180		2595
2181	$TICK_WATCHER->at ($NEXT_TICK);	2596	$TICK_WATCHER->at ($NEXT_TICK);
2182	$TICK_WATCHER->start;	2597	$TICK_WATCHER->start;
2183	},	2598	},
2184	);	2599	);
2185		2600
		2601	{
2186	IO::AIO::max_poll_time $TICK * 0.2;	2602	BDB::max_poll_time $TICK * 0.1;
2187		2603	$BDB_POLL_WATCHER = Event->io (
2188	Event->io (	2604	reentrant => 0,
2189	fd => IO::AIO::poll_fileno,	2605	fd => BDB::poll_fileno,
2190	poll => 'r',	2606	poll => 'r',
2191	prio => 5,	2607	prio => 0,
2192	data => WF_AUTOCANCEL,
2193	cb => \&IO::AIO::poll_cb,
2194	);
2195
2196	Event->timer (
2197	data => WF_AUTOCANCEL,	2608	data => WF_AUTOCANCEL,
2198	after => 0,	2609	cb => \&BDB::poll_cb,
2199	interval => 10,	2610	);
2200	cb => sub {	2611	BDB::min_parallel 8;
2201	(Coro::unblock_sub {	2612
2202	write_runtime	2613	BDB::set_sync_prepare {
2203	or warn "ERROR: unable to write runtime file: $!";	2614	my $status;
		2615	my $current = $Coro::current;
		2616	(
		2617	sub {
		2618	$status = $!;
		2619	$current->ready; undef $current;
		2620	},
		2621	sub {
		2622	Coro::schedule while defined $current;
		2623	$! = $status;
		2624	},
		2625	)
		2626	};
		2627
		2628	unless ($DB_ENV) {
		2629	$DB_ENV = BDB::db_env_create;
		2630
		2631	cf::sync_job {
		2632	eval {
		2633	BDB::db_env_open
		2634	$DB_ENV,
		2635	$BDB_ENV_DIR,
		2636	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2637	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2638	0666;
		2639
		2640	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2641
		2642	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2643	$DB_ENV->set_lk_detect;
		2644	};
		2645
		2646	cf::cleanup "db_env_open(db): $@" if $@;
2204	})->();	2647	};
2205	},	2648	}
2206	);	2649	}
		2650
		2651	{
		2652	IO::AIO::min_parallel 8;
		2653
		2654	undef $Coro::AIO::WATCHER;
		2655	IO::AIO::max_poll_time $TICK * 0.1;
		2656	$AIO_POLL_WATCHER = Event->io (
		2657	reentrant => 0,
		2658	data => WF_AUTOCANCEL,
		2659	fd => IO::AIO::poll_fileno,
		2660	poll => 'r',
		2661	prio => 6,
		2662	cb => \&IO::AIO::poll_cb,
		2663	);
		2664	}
2207		2665
2208	END { cf::emergency_save }	2666	END { cf::emergency_save }
2209		2667
2210	1	2668	1
2211		2669

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