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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.138 by root, Fri Jan 5 17:07:17 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 (2); # 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	Coro::cede_notself;	319	Coro::cede or Event::one_event;
269	Event::one_event unless Coro::nready;
270	}	320	}
271		321
272	wantarray ? @res : $res[0]	322	wantarray ? @res : $res[0]
273	} else {	323	} else {
274	# we are in another coroutine, how wonderful, everything just works	324	# we are in another coroutine, how wonderful, everything just works
275		325
276	$job->()	326	$job->()
277	}	327	}
278	}	328	}
279		329
280	=item $coro = cf::coro { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
281		331
282	Creates (and readies) and returns a new coro. This coro is automcatially	332	Like async, but this coro is automatically being canceled when the
283	being canceled when the extension calling this is being unloaded.	333	extension calling this is being unloaded.
284		334
285	=cut	335	=cut
286		336
287	sub coro(&) {	337	sub async_ext(&) {
288	my $cb = shift;	338	my $cb = shift;
289		339
290	my $coro = &Coro::async_pool ($cb);	340	my $coro = &Coro::async ($cb);
291		341
292	$coro->on_destroy (sub {	342	$coro->on_destroy (sub {
293	delete $EXT_CORO{$coro+0};	343	delete $EXT_CORO{$coro+0};
294	});	344	});
295	$EXT_CORO{$coro+0} = $coro;	345	$EXT_CORO{$coro+0} = $coro;
296		346
297	$coro	347	$coro
298	}	348	}
299		349
300	sub write_runtime {	350	sub write_runtime {
		351	my $guard = cf::lock_acquire "write_runtime";
		352
301	my $runtime = cf::localdir . "/runtime";	353	my $runtime = cf::localdir . "/runtime";
302		354
303	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
304	or return;	356	or return;
305		357
		358	my $value = $cf::RUNTIME + 90 + 10;
306	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
307	(aio_write $fh, 0, (length $value), $value, 0) <= 0	362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
308	and return;	363	and return;
309		364
		365	# always fsync - this file is important
310	aio_fsync $fh	366	aio_fsync $fh
311	and return;	367	and return;
312		368
313	close $fh	369	close $fh
314	or return;	370	or return;
…		…
320	}	376	}
321		377
322	=back	378	=back
323		379
324	=cut	380	=cut
325
326	#############################################################################
327
328	package cf::path;
329
330	sub new {
331	my ($class, $path, $base) = @_;
332
333	$path = $path->as_string if ref $path;
334
335	my $self = bless { }, $class;
336
337	# {... are special paths that are not touched
338	# ?xxx/... are special absolute paths
339	# ?random/... random maps
340	# /! non-realised random map exit
341	# /... normal maps
342	# ~/... per-player maps without a specific player (DO NOT USE)
343	# ~user/... per-player map of a specific user
344
345	if ($path =~ /^{/) {
346	# fine as it is
347	} elsif ($path =~ s{^\?random/}{}) {
348	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
349	$self->{random} = cf::from_json $data;
350	} else {
351	if ($path =~ s{^~([^/]+)?}{}) {
352	$self->{user_rel} = 1;
353
354	if (defined $1) {
355	$self->{user} = $1;
356	} elsif ($base =~ m{^~([^/]+)/}) {
357	$self->{user} = $1;
358	} else {
359	warn "cannot resolve user-relative path without user <$path,$base>\n";
360	}
361	} elsif ($path =~ /^\//) {
362	# already absolute
363	} else {
364	$base =~ s{[^/]+/?$}{};
365	return $class->new ("$base/$path");
366	}
367
368	for ($path) {
369	redo if s{/\.?/}{/};
370	redo if s{/[^/]+/\.\./}{/};
371	}
372	}
373
374	$self->{path} = $path;
375
376	$self
377	}
378
379	# the name / primary key / in-game path
380	sub as_string {
381	my ($self) = @_;
382
383	$self->{user_rel} ? "~$self->{user}$self->{path}"
384	: $self->{random} ? "?random/$self->{path}"
385	: $self->{path}
386	}
387
388	# the displayed name, this is a one way mapping
389	sub visible_name {
390	my ($self) = @_;
391
392	# if (my $rmp = $self->{random}) {
393	# # todo: be more intelligent about this
394	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
395	# } else {
396	$self->as_string
397	# }
398	}
399
400	# escape the /'s in the path
401	sub _escaped_path {
402	# ∕ is U+2215
403	(my $path = $_[0]{path}) =~ s/\//∕/g;
404	$path
405	}
406
407	# the original (read-only) location
408	sub load_path {
409	my ($self) = @_;
410
411	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
412	}
413
414	# the temporary/swap location
415	sub save_path {
416	my ($self) = @_;
417
418	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
419	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
420	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
421	}
422
423	# the unique path, might be eq to save_path
424	sub uniq_path {
425	my ($self) = @_;
426
427	$self->{user_rel} || $self->{random}
428	? undef
429	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
430	}
431
432	# return random map parameters, or undef
433	sub random_map_params {
434	my ($self) = @_;
435
436	$self->{random}
437	}
438
439	# this is somewhat ugly, but style maps do need special treatment
440	sub is_style_map {
441	$_[0]{path} =~ m{^/styles/}
442	}
443
444	package cf;
445		381
446	#############################################################################	382	#############################################################################
447		383
448	=head2 ATTACHABLE OBJECTS	384	=head2 ATTACHABLE OBJECTS
449		385
…		…
575	our @CB_TYPE = (); # registry for type (cf-object class) based events	511	our @CB_TYPE = (); # registry for type (cf-object class) based events
576	our @CB_MAP = ();	512	our @CB_MAP = ();
577		513
578	my %attachment;	514	my %attachment;
579		515
		516	sub cf::attachable::thawer_merge {
		517	# simply override everything except _meta
		518	local $_[0]{_meta};
		519	%{$_[0]} = %{$_[1]};
		520	}
		521
580	sub _attach_cb($$$$) {	522	sub _attach_cb($$$$) {
581	my ($registry, $event, $prio, $cb) = @_;	523	my ($registry, $event, $prio, $cb) = @_;
582		524
583	use sort 'stable';	525	use sort 'stable';
584		526
…		…
755	# object support	697	# object support
756		698
757	sub reattach {	699	sub reattach {
758	# basically do the same as instantiate, without calling instantiate	700	# basically do the same as instantiate, without calling instantiate
759	my ($obj) = @_;	701	my ($obj) = @_;
		702
		703	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
760		704
761	my $registry = $obj->registry;	705	my $registry = $obj->registry;
762		706
763	@$registry = ();	707	@$registry = ();
764		708
…		…
811	$filename, length $$rdata, scalar @$objs;	755	$filename, length $$rdata, scalar @$objs;
812		756
813	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
814	chmod SAVE_MODE, $fh;	758	chmod SAVE_MODE, $fh;
815	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
816	aio_fsync $fh;	760	aio_fsync $fh if $cf::USE_FSYNC;
817	close $fh;	761	close $fh;
818		762
819	if (@$objs) {	763	if (@$objs) {
820	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) {
821	chmod SAVE_MODE, $fh;	765	chmod SAVE_MODE, $fh;
822	my $data = Storable::nfreeze { version => 1, objs => $objs };	766	my $data = Storable::nfreeze { version => 1, objs => $objs };
823	aio_write $fh, 0, (length $data), $data, 0;	767	aio_write $fh, 0, (length $data), $data, 0;
824	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
825	close $fh;	769	close $fh;
826	aio_rename "$filename.pst~", "$filename.pst";	770	aio_rename "$filename.pst~", "$filename.pst";
827	}	771	}
828	} else {	772	} else {
829	aio_unlink "$filename.pst";	773	aio_unlink "$filename.pst";
…		…
896	=cut	840	=cut
897		841
898	sub register_extcmd {	842	sub register_extcmd {
899	my ($name, $cb) = @_;	843	my ($name, $cb) = @_;
900		844
901	my $caller = caller;
902	#warn "registering extcmd '$name' to '$caller'";
903
904	$EXTCMD{$name} = [$cb, $caller];	845	$EXTCMD{$name} = $cb;
905	}	846	}
906		847
907	cf::player->attach (	848	cf::player->attach (
908	on_command => sub {	849	on_command => sub {
909	my ($pl, $name, $params) = @_;	850	my ($pl, $name, $params) = @_;
…		…
922		863
923	my $msg = eval { from_json $buf };	864	my $msg = eval { from_json $buf };
924		865
925	if (ref $msg) {	866	if (ref $msg) {
926	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	867	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
927	if (my %reply = $cb->[0]->($pl, $msg)) {	868	if (my %reply = $cb->($pl, $msg)) {
928	$pl->ext_reply ($msg->{msgid}, %reply);	869	$pl->ext_reply ($msg->{msgid}, %reply);
929	}	870	}
930	}	871	}
931	} else {	872	} else {
932	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	873	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
934		875
935	cf::override;	876	cf::override;
936	},	877	},
937	);	878	);
938		879
939	sub register {
940	my ($base, $pkg) = @_;
941
942	#TODO
943	}
944
945	sub load_extension {	880	sub load_extension {
946	my ($path) = @_;	881	my ($path) = @_;
947		882
948	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
949	my $base = $1;	884	my $base = $1;
950	my $pkg = $1;	885	my $pkg = $1;
951	$pkg =~ s/[^[:word:]]/_/g;	886	$pkg =~ s/[^[:word:]]/_/g;
952	$pkg = "ext::$pkg";	887	$pkg = "ext::$pkg";
953		888
954	warn "loading '$path' into '$pkg'\n";	889	warn "... loading '$path' into '$pkg'\n";
955		890
956	open my $fh, "<:utf8", $path	891	open my $fh, "<:utf8", $path
957	or die "$path: $!";	892	or die "$path: $!";
958		893
959	my $source =	894	my $source =
960	"package $pkg; use strict; use utf8;\n"	895	"package $pkg; use strict; use utf8;\n"
961	. "#line 1 \"$path\"\n{\n"	896	. "#line 1 \"$path\"\n{\n"
962	. (do { local $/; <$fh> })	897	. (do { local $/; <$fh> })
963	. "\n};\n1";	898	. "\n};\n1";
964		899
965	eval $source	900	unless (eval $source) {
966	or die $@ ? "$path: $@\n"	901	my $msg = $@ ? "$path: $@\n"
967	: "extension disabled.\n";	902	: "extension disabled.\n";
968		903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
969	push @exts, $pkg;	904	warn $@;
970	$ext_pkg{$base} = $pkg;	905	warn "mandatory extension failed to load, exiting.\n";
971		906	exit 1;
972	# no strict 'refs';	907	}
973	# @{"$pkg\::ISA"} = ext::;	908	die $@;
974
975	register $base, $pkg;
976	}
977
978	sub unload_extension {
979	my ($pkg) = @_;
980
981	warn "removing extension $pkg\n";
982
983	# remove hooks
984	#TODO
985	# for my $idx (0 .. $#PLUGIN_EVENT) {
986	# delete $hook[$idx]{$pkg};
987	# }	909	}
988		910
989	# remove commands	911	push @EXTS, $pkg;
990	for my $name (keys %COMMAND) {
991	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
992
993	if (@cb) {
994	$COMMAND{$name} = \@cb;
995	} else {
996	delete $COMMAND{$name};
997	}
998	}
999
1000	# remove extcmds
1001	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1002	delete $EXTCMD{$name};
1003	}
1004
1005	if (my $cb = $pkg->can ("unload")) {
1006	eval {
1007	$cb->($pkg);
1008	1
1009	} or warn "$pkg unloaded, but with errors: $@";
1010	}
1011
1012	Symbol::delete_package $pkg;
1013	}	912	}
1014		913
1015	sub load_extensions {	914	sub load_extensions {
1016	for my $ext (<$LIBDIR/*.ext>) {	915	for my $ext (<$LIBDIR/*.ext>) {
1017	next unless -r $ext;	916	next unless -r $ext;
…		…
1021	} or warn "$ext not loaded: $@";	920	} or warn "$ext not loaded: $@";
1022	}	921	}
1023	}	922	}
1024		923
1025	#############################################################################	924	#############################################################################
1026	# load/save/clean perl data associated with a map
1027
1028	*cf::mapsupport::on_clean = sub {
1029	my ($map) = @_;
1030
1031	my $path = $map->tmpname;
1032	defined $path or return;
1033
1034	unlink "$path.pst";
1035	};
1036
1037	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1038
1039	#############################################################################
1040	# load/save perl data associated with player->ob objects
1041
1042	sub all_objects(@) {
1043	@_, map all_objects ($_->inv), @_
1044	}
1045
1046	# TODO: compatibility cruft, remove when no longer needed
1047	cf::player->attach (
1048	on_load => sub {
1049	my ($pl, $path) = @_;
1050
1051	for my $o (all_objects $pl->ob) {
1052	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1053	$o->set_ob_key_value ("_perl_data");
1054
1055	%$o = %{ Storable::thaw pack "H*", $value };
1056	}
1057	}
1058	},
1059	);
1060
1061	#############################################################################
1062		925
1063	=head2 CORE EXTENSIONS	926	=head2 CORE EXTENSIONS
1064		927
1065	Functions and methods that extend core crossfire objects.	928	Functions and methods that extend core crossfire objects.
1066		929
		930	=cut
		931
		932	package cf::player;
		933
		934	use Coro::AIO;
		935
1067	=head3 cf::player	936	=head3 cf::player
1068		937
1069	=over 4	938	=over 4
1070		939
1071	=item cf::player::exists $login	940	=item cf::player::find $login
1072		941
1073	Returns true when the given account exists.	942	Returns the given player object, loading it if necessary (might block).
1074		943
1075	=cut	944	=cut
1076		945
1077	sub cf::player::exists($) {	946	sub playerdir($) {
1078	cf::player::find $_[0]	947	cf::localdir
1079	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
1080	}	1116	}
1081		1117
1082	=item $player->ext_reply ($msgid, $msgtype, %msg)	1118	=item $player->ext_reply ($msgid, $msgtype, %msg)
1083		1119
1084	Sends an ext reply to the player.	1120	Sends an ext reply to the player.
1085		1121
1086	=cut	1122	=cut
1087		1123
1088	sub cf::player::ext_reply($$$%) {	1124	sub ext_reply($$$%) {
1089	my ($self, $id, %msg) = @_;	1125	my ($self, $id, %msg) = @_;
1090		1126
1091	$msg{msgid} = $id;	1127	$msg{msgid} = $id;
1092		1128
1093	$self->send ("ext " . to_json \%msg);	1129	$self->send ("ext " . cf::to_json \%msg);
1094	}	1130	}
		1131
		1132	package cf;
1095		1133
1096	=back	1134	=back
1097		1135
1098		1136
1099	=head3 cf::map	1137	=head3 cf::map
…		…
1105	package cf::map;	1143	package cf::map;
1106		1144
1107	use Fcntl;	1145	use Fcntl;
1108	use Coro::AIO;	1146	use Coro::AIO;
1109		1147
		1148	use overload
		1149	'""' => \&as_string,
		1150	fallback => 1;
		1151
1110	our $MAX_RESET = 3600;	1152	our $MAX_RESET = 3600;
1111	our $DEFAULT_RESET = 3000;	1153	our $DEFAULT_RESET = 3000;
1112		1154
1113	sub generate_random_map {	1155	sub generate_random_map {
1114	my ($path, $rmp) = @_;	1156	my ($self, $rmp) = @_;
1115
1116	# mit "rum" bekleckern, nicht	1157	# mit "rum" bekleckern, nicht
1117	cf::map::_create_random_map	1158	$self->_create_random_map (
1118	$path,
1119	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1159	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1120	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1160	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1121	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1161	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1122	$rmp->{exit_on_final_map},	1162	$rmp->{exit_on_final_map},
1123	$rmp->{xsize}, $rmp->{ysize},	1163	$rmp->{xsize}, $rmp->{ysize},
1124	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1164	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1125	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1165	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1126	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1166	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1127	$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},
1128	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1168	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1129	(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
1130	}	1300	}
1131		1301
1132	# and all this just because we cannot iterate over	1302	# and all this just because we cannot iterate over
1133	# all maps in C++...	1303	# all maps in C++...
1134	sub change_all_map_light {	1304	sub change_all_map_light {
…		…
1136		1306
1137	$_->change_map_light ($change)	1307	$_->change_map_light ($change)
1138	for grep $_->outdoor, values %cf::MAP;	1308	for grep $_->outdoor, values %cf::MAP;
1139	}	1309	}
1140		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
1141	sub try_load_header($) {	1319	sub load_header_from($) {
1142	my ($path) = @_;	1320	my ($self, $path) = @_;
1143		1321
1144	utf8::encode $path;	1322	utf8::encode $path;
1145	aio_open $path, O_RDONLY, 0	1323	#aio_open $path, O_RDONLY, 0
		1324	# or return;
		1325
		1326	$self->_load_header ($path)
1146	or return;	1327	or return;
1147		1328
1148	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
1149	or return;	1372	or return;
		1373	$self->prepare_orig;
		1374	}
1150		1375
1151	# for better error messages only, will be overwritten	1376	1
1152	$map->path ($path);
1153
1154	$map->load_header ($path)
1155	or return;
1156
1157	$map->{load_path} = $path;
1158
1159	$map
1160	}	1377	}
1161		1378
1162	sub find;	1379	sub find;
1163	sub find {	1380	sub find {
1164	my ($path, $origin) = @_;	1381	my ($path, $origin) = @_;
1165		1382
1166	#warn "find<$path,$origin>\n";#d#
1167
1168	$path = new cf::path $path, $origin && $origin->path;	1383	$path = normalise $path, $origin && $origin->path;
1169	my $key = $path->as_string;
1170		1384
1171	cf::lock_wait "map_find:$key";	1385	cf::lock_wait "map_find:$path";
1172		1386
1173	$cf::MAP{$key} || do {	1387	$cf::MAP{$path} || do {
1174	my $guard = cf::lock_acquire "map_find:$key";	1388	my $guard = cf::lock_acquire "map_find:$path";
1175		1389	my $map = new_from_path cf::map $path
1176	# do it the slow way
1177	my $map = try_load_header $path->save_path;
1178
1179	Coro::cede;
1180
1181	if ($map) {
1182	$map->last_access ((delete $map->{last_access})
1183	|| $cf::RUNTIME); #d#
1184	# safety
1185	$map->{instantiate_time} = $cf::RUNTIME
1186	if $map->{instantiate_time} > $cf::RUNTIME;
1187	} else {
1188	if (my $rmp = $path->random_map_params) {
1189	$map = generate_random_map $key, $rmp;
1190	} else {
1191	$map = try_load_header $path->load_path;
1192	}
1193
1194	$map or return;	1390	or return;
1195		1391
1196	$map->{load_original} = 1;
1197	$map->{instantiate_time} = $cf::RUNTIME;
1198	$map->last_access ($cf::RUNTIME);
1199	$map->instantiate;
1200
1201	# per-player maps become, after loading, normal maps
1202	$map->per_player (0) if $path->{user_rel};
1203	}
1204
1205	$map->path ($key);
1206	$map->{path} = $path;
1207	$map->{last_save} = $cf::RUNTIME;	1392	$map->{last_save} = $cf::RUNTIME;
1208		1393
1209	Coro::cede;	1394	$map->load_header
		1395	or return;
1210		1396
1211	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;
1212	$map->reset;	1400	$map->reset;
1213	undef $guard;	1401	undef $guard;
1214	$map = find $path	1402	return find $path;
1215	or return;
1216	}	1403	}
1217		1404
1218	$cf::MAP{$key} = $map	1405	$cf::MAP{$path} = $map
1219	}	1406	}
1220	}	1407	}
		1408
		1409	sub pre_load { }
		1410	sub post_load { }
1221		1411
1222	sub load {	1412	sub load {
1223	my ($self) = @_;	1413	my ($self) = @_;
1224		1414
		1415	local $self->{deny_reset} = 1; # loading can take a long time
		1416
1225	my $path = $self->{path};	1417	my $path = $self->{path};
1226	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1418	my $guard = cf::lock_acquire "map_load:$path";
1227		1419
1228	return if $self->in_memory != cf::MAP_SWAPPED;	1420	return if $self->in_memory != cf::MAP_SWAPPED;
1229		1421
1230	$self->in_memory (cf::MAP_LOADING);	1422	$self->in_memory (cf::MAP_LOADING);
1231		1423
1232	$self->alloc;	1424	$self->alloc;
		1425
		1426	$self->pre_load;
		1427
1233	$self->load_objects ($self->{load_path}, 1)	1428	$self->_load_objects ($self->{load_path}, 1)
1234	or return;	1429	or return;
1235		1430
1236	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1237	if delete $self->{load_original};	1432	if delete $self->{load_original};
1238		1433
1239	if (my $uniq = $path->uniq_path) {	1434	if (my $uniq = $self->uniq_path) {
1240	utf8::encode $uniq;	1435	utf8::encode $uniq;
1241	if (aio_open $uniq, O_RDONLY, 0) {	1436	if (aio_open $uniq, O_RDONLY, 0) {
1242	$self->clear_unique_items;	1437	$self->clear_unique_items;
1243	$self->load_objects ($uniq, 0);	1438	$self->_load_objects ($uniq, 0);
1244	}	1439	}
1245	}	1440	}
1246		1441
1247	Coro::cede;	1442	Coro::cede;
1248		1443
1249	# now do the right thing for maps	1444	# now do the right thing for maps
1250	$self->link_multipart_objects;	1445	$self->link_multipart_objects;
1251		1446
1252	if ($self->{path}->is_style_map) {	1447	unless ($self->{deny_activate}) {
1253	$self->{deny_save} = 1;	1448	$self->decay_objects;
1254	$self->{deny_reset} = 1;
1255	} else {
1256	$self->fix_auto_apply;	1449	$self->fix_auto_apply;
1257	$self->decay_objects;
1258	$self->update_buttons;	1450	$self->update_buttons;
		1451	Coro::cede;
1259	$self->set_darkness_map;	1452	$self->set_darkness_map;
1260	$self->difficulty ($self->estimate_difficulty)	1453	$self->difficulty ($self->estimate_difficulty)
1261	unless $self->difficulty;	1454	unless $self->difficulty;
		1455	Coro::cede;
1262	$self->activate;	1456	$self->activate;
1263	}	1457	}
1264		1458
1265	Coro::cede;	1459	$self->post_load;
1266		1460
1267	$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	}
1268	}	1495	}
1269		1496
1270	sub find_sync {	1497	sub find_sync {
1271	my ($path, $origin) = @_;	1498	my ($path, $origin) = @_;
1272		1499
1273	cf::sync_job { cf::map::find $path, $origin }	1500	cf::sync_job { find $path, $origin }
1274	}	1501	}
1275		1502
1276	sub do_load_sync {	1503	sub do_load_sync {
1277	my ($map) = @_;	1504	my ($map) = @_;
1278		1505
1279	cf::sync_job { $map->load };	1506	cf::sync_job { $map->load };
1280	}	1507	}
1281		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
1282	sub save {	1539	sub save {
1283	my ($self) = @_;	1540	my ($self) = @_;
1284		1541
1285	my $lock = cf::lock_acquire "map_data:" . $self->path;	1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1286		1543
1287	$self->{last_save} = $cf::RUNTIME;	1544	$self->{last_save} = $cf::RUNTIME;
1288		1545
1289	return unless $self->dirty;	1546	return unless $self->dirty;
1290		1547
1291	my $save = $self->{path}->save_path; utf8::encode $save;	1548	my $save = $self->save_path; utf8::encode $save;
1292	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1549	my $uniq = $self->uniq_path; utf8::encode $uniq;
1293		1550
1294	$self->{load_path} = $save;	1551	$self->{load_path} = $save;
1295		1552
1296	return if $self->{deny_save};	1553	return if $self->{deny_save};
1297		1554
1298	local $self->{last_access} = $self->last_access;#d#	1555	local $self->{last_access} = $self->last_access;#d#
1299		1556
		1557	cf::async {
		1558	$_->contr->save for $self->players;
		1559	};
		1560
1300	if ($uniq) {	1561	if ($uniq) {
1301	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1302	$self->save_objects ($uniq, cf::IO_UNIQUES);	1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1303	} else {	1564	} else {
1304	$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);
1305	}	1566	}
1306	}	1567	}
1307		1568
1308	sub swap_out {	1569	sub swap_out {
1309	my ($self) = @_;	1570	my ($self) = @_;
…		…
1323		1584
1324	sub reset_at {	1585	sub reset_at {
1325	my ($self) = @_;	1586	my ($self) = @_;
1326		1587
1327	# TODO: safety, remove and allow resettable per-player maps	1588	# TODO: safety, remove and allow resettable per-player maps
1328	return 1e99 if $self->{path}{user_rel};	1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1329	return 1e99 if $self->{deny_reset};	1590	return 1e99 if $self->{deny_reset};
1330		1591
1331	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1332	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;
1333		1594
…		…
1338	my ($self) = @_;	1599	my ($self) = @_;
1339		1600
1340	$self->reset_at <= $cf::RUNTIME	1601	$self->reset_at <= $cf::RUNTIME
1341	}	1602	}
1342		1603
1343	sub unlink_save {
1344	my ($self) = @_;
1345
1346	utf8::encode (my $save = $self->{path}->save_path);
1347	aioreq_pri 3; IO::AIO::aio_unlink $save;
1348	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1349	}
1350
1351	sub rename {
1352	my ($self, $new_path) = @_;
1353
1354	$self->unlink_save;
1355
1356	delete $cf::MAP{$self->path};
1357	$self->{path} = new cf::path $new_path;
1358	$self->path ($self->{path}->as_string);
1359	$cf::MAP{$self->path} = $self;
1360
1361	$self->save;
1362	}
1363
1364	sub reset {	1604	sub reset {
1365	my ($self) = @_;	1605	my ($self) = @_;
1366		1606
1367	my $lock = cf::lock_acquire "map_data:" . $self->path;	1607	my $lock = cf::lock_acquire "map_data:$self->{path}";
1368		1608
1369	return if $self->players;	1609	return if $self->players;
1370	return if $self->{path}{user_rel};#d#	1610	return if $self->isa ("ext::map_per_player");#d#
1371		1611
1372	warn "resetting map ", $self->path;#d#	1612	warn "resetting map ", $self->path;#d#
1373		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
1374	delete $cf::MAP{$self->path};	1624	delete $cf::MAP{$self->path};
		1625
		1626	$self->clear;
1375		1627
1376	$_->clear_links_to ($self) for values %cf::MAP;	1628	$_->clear_links_to ($self) for values %cf::MAP;
1377		1629
1378	$self->unlink_save;	1630	$self->unlink_save;
1379	$self->destroy;	1631	$self->destroy;
…		…
1382	my $nuke_counter = "aaaa";	1634	my $nuke_counter = "aaaa";
1383		1635
1384	sub nuke {	1636	sub nuke {
1385	my ($self) = @_;	1637	my ($self) = @_;
1386		1638
		1639	delete $cf::MAP{$self->path};
		1640
		1641	$self->unlink_save;
		1642
		1643	bless $self, "cf::map";
		1644	delete $self->{deny_reset};
1387	$self->{deny_save} = 1;	1645	$self->{deny_save} = 1;
1388	$self->reset_timeout (1);	1646	$self->reset_timeout (1);
1389	$self->rename ("{nuke}/" . ($nuke_counter++));	1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1648
		1649	$cf::MAP{$self->path} = $self;
		1650
1390	$self->reset; # polite request, might not happen	1651	$self->reset; # polite request, might not happen
1391	}	1652	}
1392		1653
1393	sub customise_for {	1654	=item cf::map::unique_maps
1394	my ($map, $ob) = @_;
1395		1655
1396	if ($map->per_player) {	1656	Returns an arrayref of paths of all shared maps that have
1397	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1657	instantiated unique items. May block.
1398	}
1399		1658
1400	$map	1659	=cut
1401	}
1402		1660
1403	sub emergency_save {	1661	sub unique_maps() {
1404	my $freeze_guard = cf::freeze_mainloop;	1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1663	or return;
1405		1664
1406	warn "enter emergency map save\n";	1665	my @paths;
1407		1666
1408	cf::sync_job {	1667	for (@$files) {
1409	warn "begin emergency map save\n";	1668	utf8::decode $_;
1410	$_->save for values %cf::MAP;	1669	next if /\.pst$/;
		1670	next unless /^$PATH_SEP/o;
		1671
		1672	push @paths, cf::map::normalise $_;
1411	};	1673	}
1412		1674
1413	warn "end emergency map save\n";	1675	\@paths
1414	}	1676	}
1415		1677
1416	package cf;	1678	package cf;
1417		1679
1418	=back	1680	=back
1419		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
1420		1708
1421	=head3 cf::object::player	1709	=head3 cf::object::player
1422		1710
1423	=over 4	1711	=over 4
1424		1712
…		…
1464		1752
1465	=item $player_object->enter_link	1753	=item $player_object->enter_link
1466		1754
1467	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}>).
1468		1756
1469	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
1470	I<MUST> call C<leave_link> as soon as possible, though.	1758	I<MUST> call C<leave_link> as soon as possible, though.
1471		1759
		1760	Will never block.
		1761
1472	=item $player_object->leave_link ($map, $x, $y)	1762	=item $player_object->leave_link ($map, $x, $y)
1473		1763
1474	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
1475	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
1476	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
1477	to the emergency map position.	1767	fails, to the emergency map position.
1478		1768
1479	Might block.	1769	Might block.
1480		1770
1481	=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	}
1482		1782
1483	sub cf::object::player::enter_link {	1783	sub cf::object::player::enter_link {
1484	my ($self) = @_;	1784	my ($self) = @_;
1485		1785
1486	$self->deactivate_recursive;	1786	$self->deactivate_recursive;
1487		1787
1488	return if $self->map == $LINK_MAP;	1788	return if UNIVERSAL::isa $self->map, "ext::map_link";
1489		1789
1490	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1491	if $self->map;	1791	if $self->map;
1492		1792
1493	$self->enter_map ($LINK_MAP, 20, 20);	1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1494	}	1794	}
1495		1795
1496	sub cf::object::player::leave_link {	1796	sub cf::object::player::leave_link {
1497	my ($self, $map, $x, $y) = @_;	1797	my ($self, $map, $x, $y) = @_;
1498		1798
…		…
1516	# use -1 or undef as default coordinates, not 0, 0	1816	# use -1 or undef as default coordinates, not 0, 0
1517	($x, $y) = ($map->enter_x, $map->enter_y)	1817	($x, $y) = ($map->enter_x, $map->enter_y)
1518	if $x <=0 && $y <= 0;	1818	if $x <=0 && $y <= 0;
1519		1819
1520	$map->load;	1820	$map->load;
		1821	$map->load_diag;
1521		1822
		1823	return unless $self->contr->active;
1522	$self->activate_recursive;	1824	$self->activate_recursive;
		1825
		1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1523	$self->enter_map ($map, $x, $y);	1827	$self->enter_map ($map, $x, $y);
1524	}	1828	}
1525		1829
1526	cf::player->attach (	1830	cf::player->attach (
1527	on_logout => sub {	1831	on_logout => sub {
…		…
1539		1843
1540	# try to abort aborted map switching on player login :)	1844	# try to abort aborted map switching on player login :)
1541	# should happen only on crashes	1845	# should happen only on crashes
1542	if ($pl->ob->{_link_pos}) {	1846	if ($pl->ob->{_link_pos}) {
1543	$pl->ob->enter_link;	1847	$pl->ob->enter_link;
1544	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);
1545	# 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
1546	# 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
1547	Coro::Timer::sleep 1;	1855	Coro::Timer::sleep 1;
1548	$pl->ob->leave_link;	1856	$pl->ob->leave_link;
1549	};	1857	})->prio (2);
1550	}	1858	}
1551	},	1859	},
1552	);	1860	);
1553		1861
1554	=item $player_object->goto ($path, $x, $y)	1862	=item $player_object->goto ($path, $x, $y)
…		…
1558	sub cf::object::player::goto {	1866	sub cf::object::player::goto {
1559	my ($self, $path, $x, $y) = @_;	1867	my ($self, $path, $x, $y) = @_;
1560		1868
1561	$self->enter_link;	1869	$self->enter_link;
1562		1870
1563	(Coro::async_pool {	1871	(async {
1564	$path = new cf::path $path;	1872	my $map = eval {
1565
1566	my $map = cf::map::find $path->as_string;	1873	my $map = cf::map::find $path;
1567	$map = $map->customise_for ($self) if $map;	1874	$map = $map->customise_for ($self) if $map;
1568		1875	$map
1569	# warn "entering ", $map->path, " at ($x, $y)\n"	1876	} or
1570	# if $map;
1571
1572	$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);
1573		1878
1574	$self->leave_link ($map, $x, $y);	1879	$self->leave_link ($map, $x, $y);
1575	})->prio (1);	1880	})->prio (1);
1576	}	1881	}
1577		1882
…		…
1581		1886
1582	sub parse_random_map_params {	1887	sub parse_random_map_params {
1583	my ($spec) = @_;	1888	my ($spec) = @_;
1584		1889
1585	my $rmp = { # defaults	1890	my $rmp = { # defaults
1586	xsize => 10,	1891	xsize => (cf::rndm 15, 40),
1587	ysize => 10,	1892	ysize => (cf::rndm 15, 40),
		1893	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1894	#layout => string,
1588	};	1895	};
1589		1896
1590	for (split /\n/, $spec) {	1897	for (split /\n/, $spec) {
1591	my ($k, $v) = split /\s+/, $_, 2;	1898	my ($k, $v) = split /\s+/, $_, 2;
1592		1899
…		…
1596	$rmp	1903	$rmp
1597	}	1904	}
1598		1905
1599	sub prepare_random_map {	1906	sub prepare_random_map {
1600	my ($exit) = @_;	1907	my ($exit) = @_;
		1908
		1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1601		1910
1602	# all this does is basically replace the /! path by	1911	# all this does is basically replace the /! path by
1603	# a new random map path (?random/...) with a seed	1912	# a new random map path (?random/...) with a seed
1604	# that depends on the exit object	1913	# that depends on the exit object
1605		1914
1606	my $rmp = parse_random_map_params $exit->msg;	1915	my $rmp = parse_random_map_params $exit->msg;
1607		1916
1608	if ($exit->map) {	1917	if ($exit->map) {
1609	$rmp->{region} = $exit->map->region_name;	1918	$rmp->{region} = $exit->region->name;
1610	$rmp->{origin_map} = $exit->map->path;	1919	$rmp->{origin_map} = $exit->map->path;
1611	$rmp->{origin_x} = $exit->x;	1920	$rmp->{origin_x} = $exit->x;
1612	$rmp->{origin_y} = $exit->y;	1921	$rmp->{origin_y} = $exit->y;
1613	}	1922	}
1614		1923
1615	$rmp->{random_seed} ||= $exit->random_seed;	1924	$rmp->{random_seed} ||= $exit->random_seed;
1616		1925
1617	my $data = cf::to_json $rmp;	1926	my $data = cf::to_json $rmp;
1618	my $md5 = Digest::MD5::md5_hex $data;	1927	my $md5 = Digest::MD5::md5_hex $data;
		1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1619		1929
1620	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) {
1621	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;
1622		1934
1623	$exit->slaying ("?random/$md5");	1935	$exit->slaying ("?random/$md5");
1624	$exit->msg (undef);	1936	$exit->msg (undef);
1625	}	1937	}
1626	}	1938	}
…		…
1628	sub cf::object::player::enter_exit {	1940	sub cf::object::player::enter_exit {
1629	my ($self, $exit) = @_;	1941	my ($self, $exit) = @_;
1630		1942
1631	return unless $self->type == cf::PLAYER;	1943	return unless $self->type == cf::PLAYER;
1632		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
1633	$self->enter_link;	1954	$self->enter_link;
1634		1955
1635	(Coro::async_pool {	1956	(async {
1636	$self->deactivate_recursive; # just to be sure	1957	$self->deactivate_recursive; # just to be sure
1637	unless (eval {	1958	unless (eval {
1638	prepare_random_map $exit	1959	$self->goto ($slaying, $hp, $sp);
1639	if $exit->slaying eq "/!";
1640
1641	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1642	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1643		1960
1644	1;	1961	1;
1645	}) {	1962	}) {
1646	$self->message ("Something went wrong deep within the crossfire server. "	1963	$self->message ("Something went wrong deep within the crossfire server. "
1647	. "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. "
1648	. "Please report this to the dungeon master",	1965	. "Please report this to the dungeon master!",
1649	cf::NDI_UNIQUE | cf::NDI_RED);	1966	cf::NDI_UNIQUE | cf::NDI_RED);
1650		1967
1651	warn "ERROR in enter_exit: $@";	1968	warn "ERROR in enter_exit: $@";
1652	$self->leave_link;	1969	$self->leave_link;
1653	}	1970	}
…		…
1667		1984
1668	sub cf::client::send_drawinfo {	1985	sub cf::client::send_drawinfo {
1669	my ($self, $text, $flags) = @_;	1986	my ($self, $text, $flags) = @_;
1670		1987
1671	utf8::encode $text;	1988	utf8::encode $text;
1672	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1673	}	1990	}
1674		1991
1675		1992
1676	=item $success = $client->query ($flags, "text", \&cb)	1993	=item $success = $client->query ($flags, "text", \&cb)
1677		1994
…		…
1708	# get handled first	2025	# get handled first
1709	my $queue = delete $ns->{query_queue}	2026	my $queue = delete $ns->{query_queue}
1710	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
1711		2028
1712	(shift @$queue)->[1]->($msg);	2029	(shift @$queue)->[1]->($msg);
		2030	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1713		2031
1714	push @{ $ns->{query_queue} }, @$queue;	2032	push @{ $ns->{query_queue} }, @$queue;
1715		2033
1716	if (@{ $ns->{query_queue} } == @$queue) {	2034	if (@{ $ns->{query_queue} } == @$queue) {
1717	if (@$queue) {	2035	if (@$queue) {
…		…
1721	}	2039	}
1722	}	2040	}
1723	},	2041	},
1724	);	2042	);
1725		2043
1726	=item $client->coro (\&cb)	2044	=item $client->async (\&cb)
1727		2045
1728	Create a new coroutine, running the specified callback. The coroutine will	2046	Create a new coroutine, running the specified callback. The coroutine will
1729	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,
1730	or loss of connection).	2048	or loss of connection).
1731		2049
1732	=cut	2050	=cut
1733		2051
1734	sub cf::client::coro {	2052	sub cf::client::async {
1735	my ($self, $cb) = @_;	2053	my ($self, $cb) = @_;
1736		2054
1737	my $coro = &Coro::async_pool ($cb);	2055	my $coro = &Coro::async ($cb);
1738		2056
1739	$coro->on_destroy (sub {	2057	$coro->on_destroy (sub {
1740	delete $self->{_coro}{$coro+0};	2058	delete $self->{_coro}{$coro+0};
1741	});	2059	});
1742		2060
…		…
1878	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
1879	using it, it should be unique.	2197	using it, it should be unique.
1880		2198
1881	=over 4	2199	=over 4
1882		2200
1883	=item $hashref = cf::db_get $family
1884
1885	Return a hashref for use by the extension C<$family>, which can be
1886	modified. After modifications, you have to call C<cf::db_dirty> or
1887	C<cf::db_sync>.
1888
1889	=item $value = cf::db_get $family => $key	2201	=item $value = cf::db_get $family => $key
1890		2202
1891	Returns a single value from the database	2203	Returns a single value from the database.
1892
1893	=item cf::db_put $family => $hashref
1894
1895	Stores the given family hashref into the database. Updates are delayed, if
1896	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1897		2204
1898	=item cf::db_put $family => $key => $value	2205	=item cf::db_put $family => $key => $value
1899		2206
1900	Stores the given C<$value> in the family hash. Updates are delayed, if you	2207	Stores the given C<$value> in the family.
1901	want the data to be synced to disk immediately, use C<cf::db_sync>.
1902
1903	=item cf::db_dirty
1904
1905	Marks the database as dirty, to be updated at a later time.
1906
1907	=item cf::db_sync
1908
1909	Immediately write the database to disk I<if it is dirty>.
1910		2208
1911	=cut	2209	=cut
1912		2210
1913	our $DB;	2211	our $DB;
1914		2212
1915	{	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
1916	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;
1917		2232
1918	sub db_load() {	2233	cf::db_put (board => data => $pst->{board});
1919	$DB = stat $path ? Storable::retrieve $path : { };	2234	cf::db_put (guildrules => data => $pst->{guildrules});
1920	}	2235	cf::db_put (rent => balance => $pst->{rent}{balance});
		2236	BDB::db_env_txn_checkpoint $DB_ENV;
1921		2237
1922	my $pid;	2238	unlink $path;
1923
1924	sub db_save() {
1925	waitpid $pid, 0 if $pid;
1926	if (0 == ($pid = fork)) {
1927	$DB->{_meta}{version} = 1;
1928	Storable::nstore $DB, "$path~";
1929	rename "$path~", $path;
1930	cf::_exit 0 if defined $pid;
1931	}	2239	};
1932	}	2240	}
1933
1934	my $dirty;
1935
1936	sub db_sync() {
1937	db_save if $dirty;
1938	undef $dirty;
1939	}
1940
1941	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1942	db_sync;
1943	});	2241	}
		2242	}
1944		2243
1945	sub db_dirty() {
1946	$dirty = 1;
1947	$idle->start;
1948	}
1949
1950	sub db_get($;$) {	2244	sub db_get($$) {
1951	@_ >= 2	2245	my $key = "$_[0]/$_[1]";
1952	? $DB->{$_[0]}{$_[1]}
1953	: ($DB->{$_[0]} ||= { })
1954	}
1955		2246
		2247	cf::sync_job {
		2248	BDB::db_get $DB, undef, $key, my $data;
		2249
		2250	$! ? ()
		2251	: Compress::LZF::sthaw $data
		2252	}
		2253	}
		2254
1956	sub db_put($$;$) {	2255	sub db_put($$$) {
1957	if (@_ >= 3) {	2256	BDB::dbreq_pri 4;
1958	$DB->{$_[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;
1959	} else {	2293	} else {
1960	$DB->{$_[0]} = $_[1];	2294	warn "smooth face '$info->{smooth}' not found for face '$face'";
1961	}
1962	db_dirty;
1963	}
1964
1965	cf::global->attach (
1966	prio => 10000,
1967	on_cleanup => sub {
1968	db_sync;
1969	},	2295	}
1970	);	2296	Coro::cede;
1971	}	2297	}
1972		2298
1973	#############################################################################	2299	1
1974	# 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	}
1975		2312
1976	sub cfg_load {	2313	sub cfg_load {
1977	open my $fh, "<:utf8", cf::confdir . "/config"	2314	open my $fh, "<:utf8", cf::confdir . "/config"
1978	or return;	2315	or return;
1979		2316
1980	local $/;	2317	local $/;
1981	*CFG = YAML::Syck::Load <$fh>;	2318	*CFG = YAML::Syck::Load <$fh>;
1982		2319
1983	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2320	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1984		2321
		2322	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2323	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2324
1985	if (exists $CFG{mlockall}) {	2325	if (exists $CFG{mlockall}) {
1986	eval {	2326	eval {
1987	$CFG{mlockall} ? &mlockall : &munlockall	2327	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1988	and die "WARNING: m(un)lockall failed: $!\n";	2328	and die "WARNING: m(un)lockall failed: $!\n";
1989	};	2329	};
1990	warn $@ if $@;	2330	warn $@ if $@;
1991	}	2331	}
1992	}	2332	}
1993		2333
1994	sub main {	2334	sub main {
1995	# we must not ever block the main coroutine	2335	# we must not ever block the main coroutine
1996	local $Coro::idle = sub {	2336	local $Coro::idle = sub {
1997	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#
1998	(Coro::unblock_sub {	2338	(async {
1999	Event::one_event;	2339	Event::one_event;
2000	})->();	2340	})->prio (Coro::PRIO_MAX);
2001	};	2341	};
2002		2342
2003	cfg_load;	2343	cfg_load;
2004	db_load;	2344	db_init;
2005	load_extensions;	2345	load_extensions;
		2346
		2347	$TICK_WATCHER->start;
2006	Event::loop;	2348	Event::loop;
2007	}	2349	}
2008		2350
2009	#############################################################################	2351	#############################################################################
2010	# 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 $make_core;
		2407	}
2011		2408
2012	sub reload() {	2409	sub reload() {
2013	# can/must only be called in main	2410	# can/must only be called in main
2014	if ($Coro::current != $Coro::main) {	2411	if ($Coro::current != $Coro::main) {
2015	warn "can only reload from main coroutine\n";	2412	warn "can only reload from main coroutine";
2016	return;	2413	return;
2017	}	2414	}
2018		2415
2019	warn "reloading...";	2416	warn "reloading...";
2020		2417
2021	my $guard = freeze_mainloop;	2418	warn "entering sync_job";
		2419
		2420	cf::sync_job {
		2421	cf::write_runtime; # external watchdog should not bark
2022	cf::emergency_save;	2422	cf::emergency_save;
		2423	cf::write_runtime; # external watchdog should not bark
2023		2424
2024	eval {	2425	warn "syncing database to disk";
		2426	BDB::db_env_txn_checkpoint $DB_ENV;
		2427
2025	# 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
2026		2429
2027	# cancel all watchers	2430	warn "cancelling all WF_AUTOCANCEL watchers";
2028	for (Event::all_watchers) {	2431	for (Event::all_watchers) {
2029	$_->cancel if $_->data & WF_AUTOCANCEL;	2432	$_->cancel if $_->data & WF_AUTOCANCEL;
2030	}	2433	}
2031		2434
		2435	warn "flushing outstanding aio requests";
		2436	for (;;) {
		2437	BDB::flush;
		2438	IO::AIO::flush;
		2439	Coro::cede;
		2440	last unless IO::AIO::nreqs || BDB::nreqs;
		2441	warn "iterate...";
		2442	}
		2443
		2444	++$RELOAD;
		2445
2032	# cancel all extension coros	2446	warn "cancelling all extension coros";
2033	$_->cancel for values %EXT_CORO;	2447	$_->cancel for values %EXT_CORO;
2034	%EXT_CORO = ();	2448	%EXT_CORO = ();
2035		2449
2036	# unload all extensions	2450	warn "removing commands";
2037	for (@exts) {	2451	%COMMAND = ();
		2452
		2453	warn "removing ext commands";
		2454	%EXTCMD = ();
		2455
		2456	warn "unloading/nuking all extensions";
		2457	for my $pkg (@EXTS) {
2038	warn "unloading <$_>";	2458	warn "... unloading $pkg";
2039	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: $@";
2040	}	2465	}
2041		2466
		2467	warn "... nuking $pkg";
		2468	Symbol::delete_package $pkg;
		2469	}
		2470
2042	# unload all modules loaded from $LIBDIR	2471	warn "unloading all perl modules loaded from $LIBDIR";
2043	while (my ($k, $v) = each %INC) {	2472	while (my ($k, $v) = each %INC) {
2044	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2473	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2045		2474
2046	warn "removing <$k>";	2475	warn "... unloading $k";
2047	delete $INC{$k};	2476	delete $INC{$k};
2048		2477
2049	$k =~ s/\.pm$//;	2478	$k =~ s/\.pm$//;
2050	$k =~ s/\//::/g;	2479	$k =~ s/\//::/g;
2051		2480
…		…
2054	}	2483	}
2055		2484
2056	Symbol::delete_package $k;	2485	Symbol::delete_package $k;
2057	}	2486	}
2058		2487
2059	# sync database to disk
2060	cf::db_sync;
2061	IO::AIO::flush;
2062
2063	# get rid of safe::, as good as possible	2488	warn "getting rid of safe::, as good as possible";
2064	Symbol::delete_package "safe::$_"	2489	Symbol::delete_package "safe::$_"
2065	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);
2066		2491
2067	# remove register_script_function callbacks
2068	# TODO
2069
2070	# unload cf.pm "a bit"	2492	warn "unloading cf.pm \"a bit\"";
2071	delete $INC{"cf.pm"};	2493	delete $INC{"cf.pm"};
2072		2494
2073	# don't, removes xs symbols, too,	2495	# don't, removes xs symbols, too,
2074	# and global variables created in xs	2496	# and global variables created in xs
2075	#Symbol::delete_package __PACKAGE__;	2497	#Symbol::delete_package __PACKAGE__;
2076		2498
2077	# reload cf.pm	2499	warn "unload completed, starting to reload now";
		2500
2078	warn "reloading cf.pm";	2501	warn "reloading cf.pm";
2079	require cf;	2502	require cf;
2080	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2503	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2081		2504
2082	# load config and database again	2505	warn "loading config and database again";
2083	cf::cfg_load;	2506	cf::cfg_load;
2084	cf::db_load;
2085		2507
2086	# load extensions
2087	warn "load extensions";	2508	warn "loading extensions";
2088	cf::load_extensions;	2509	cf::load_extensions;
2089		2510
2090	# reattach attachments to objects	2511	warn "reattaching attachments to objects/players";
2091	warn "reattach";	2512	_global_reattach; # objects, sockets
2092	_global_reattach;	2513	warn "reattaching attachments to maps";
2093	};	2514	reattach $_ for values %MAP;
		2515	warn "reattaching attachments to players";
		2516	reattach $_ for values %PLAYER;
2094		2517
2095	if ($@) {	2518	warn "loading reloadable resources";
		2519	reload_resources;
		2520
		2521	warn "leaving sync_job";
		2522
		2523	1
		2524	} or do {
2096	warn $@;	2525	warn $@;
2097	warn "error while reloading, exiting.";	2526	warn "error while reloading, exiting.";
2098	exit 1;	2527	exit 1;
2099	}	2528	};
2100		2529
2101	warn "reloaded successfully";	2530	warn "reloaded";
2102	};	2531	};
2103		2532
2104	#############################################################################	2533	our $RELOAD_WATCHER; # used only during reload
2105
2106	unless ($LINK_MAP) {
2107	$LINK_MAP = cf::map::new;
2108
2109	$LINK_MAP->width (41);
2110	$LINK_MAP->height (41);
2111	$LINK_MAP->alloc;
2112	$LINK_MAP->path ("{link}");
2113	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2114	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2115
2116	# dirty hack because... archetypes are not yet loaded
2117	Event->timer (
2118	after => 2,
2119	cb => sub {
2120	$_[0]->w->cancel;
2121
2122	# provide some exits "home"
2123	my $exit = cf::object::new "exit";
2124
2125	$exit->slaying ($EMERGENCY_POSITION->[0]);
2126	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2127	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2128
2129	$LINK_MAP->insert ($exit->clone, 19, 19);
2130	$LINK_MAP->insert ($exit->clone, 19, 20);
2131	$LINK_MAP->insert ($exit->clone, 19, 21);
2132	$LINK_MAP->insert ($exit->clone, 20, 19);
2133	$LINK_MAP->insert ($exit->clone, 20, 21);
2134	$LINK_MAP->insert ($exit->clone, 21, 19);
2135	$LINK_MAP->insert ($exit->clone, 21, 20);
2136	$LINK_MAP->insert ($exit->clone, 21, 21);
2137
2138	$exit->destroy;
2139	});
2140
2141	$LINK_MAP->{deny_save} = 1;
2142	$LINK_MAP->{deny_reset} = 1;
2143
2144	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2145	}
2146
2147	register "<global>", __PACKAGE__;
2148		2534
2149	register_command "reload" => sub {	2535	register_command "reload" => sub {
2150	my ($who, $arg) = @_;	2536	my ($who, $arg) = @_;
2151		2537
2152	if ($who->flag (FLAG_WIZ)) {	2538	if ($who->flag (FLAG_WIZ)) {
2153	$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 {
2154	reload;	2549	reload;
2155	$who->message ("end of reload.");	2550	undef $RELOAD_WATCHER;
		2551	},
		2552	);
2156	}	2553	}
2157	};	2554	};
2158		2555
2159	unshift @INC, $LIBDIR;	2556	unshift @INC, $LIBDIR;
		2557
		2558	my $bug_warning = 0;
2160		2559
2161	$TICK_WATCHER = Event->timer (	2560	$TICK_WATCHER = Event->timer (
2162	reentrant => 0,	2561	reentrant => 0,
		2562	parked => 1,
2163	prio => 0,	2563	prio => 0,
2164	at => $NEXT_TICK || $TICK,	2564	at => $NEXT_TICK || $TICK,
2165	data => WF_AUTOCANCEL,	2565	data => WF_AUTOCANCEL,
2166	cb => sub {	2566	cb => sub {
		2567	if ($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
2167	cf::server_tick; # one server iteration	2575	cf::server_tick; # one server iteration
2168	$RUNTIME += $TICK;	2576	$RUNTIME += $TICK;
2169	$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#
2170		2592
2171	# 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
2172	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2594	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2173		2595
2174	$TICK_WATCHER->at ($NEXT_TICK);	2596	$TICK_WATCHER->at ($NEXT_TICK);
2175	$TICK_WATCHER->start;	2597	$TICK_WATCHER->start;
2176	},	2598	},
2177	);	2599	);
2178		2600
		2601	{
2179	IO::AIO::max_poll_time $TICK * 0.2;	2602	BDB::max_poll_time $TICK * 0.1;
2180		2603	$BDB_POLL_WATCHER = Event->io (
2181	Event->io (	2604	reentrant => 0,
2182	fd => IO::AIO::poll_fileno,	2605	fd => BDB::poll_fileno,
2183	poll => 'r',	2606	poll => 'r',
2184	prio => 5,	2607	prio => 0,
2185	data => WF_AUTOCANCEL,
2186	cb => \&IO::AIO::poll_cb,
2187	);
2188
2189	Event->timer (
2190	data => WF_AUTOCANCEL,	2608	data => WF_AUTOCANCEL,
2191	after => 0,	2609	cb => \&BDB::poll_cb,
2192	interval => 10,	2610	);
2193	cb => sub {	2611	BDB::min_parallel 8;
2194	(Coro::unblock_sub {	2612
2195	write_runtime	2613	BDB::set_sync_prepare {
2196	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 $@;
2197	})->();	2647	};
2198	},	2648	}
2199	);	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	}
2200		2665
2201	END { cf::emergency_save }	2666	END { cf::emergency_save }
2202		2667
2203	1	2668	1
2204		2669

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