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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.113 by root, Mon Jan 1 15:32:40 2007 UTC vs.
Revision 1.223 by root, Sun Mar 11 02:12:44 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3;	13	use Coro 3.5 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use BDB ();
		21	use Data::Dumper;
20	use Digest::MD5;	22	use Digest::MD5;
21	use Fcntl;	23	use Fcntl;
22	use IO::AIO 2.31 ();	24	use IO::AIO 2.32 ();
23	use YAML::Syck ();	25	use YAML::Syck ();
24	use Time::HiRes;	26	use Time::HiRes;
		27	use Compress::LZF;
		28
		29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
25		30
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
		32
		33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
27		34
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	36	$YAML::Syck::ImplicitUnicode = 1;
30		37
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		39
35	our %COMMAND = ();	40	our %COMMAND = ();
36	our %COMMAND_TIME = ();	41	our %COMMAND_TIME = ();
		42
		43	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	44	our %EXTCMD = ();
		45	our %EXT_CORO = (); # coroutines bound to extensions
		46	our %EXT_MAP = (); # pluggable maps
38		47
		48	our $RELOAD; # number of reloads so far
39	our @EVENT;	49	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	50	our $LIBDIR = datadir . "/ext";
41		51
42	our $TICK = MAX_TIME * 1e-6;	52	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	53	our $TICK_WATCHER;
		54	our $AIO_POLL_WATCHER;
		55	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	56	our $NEXT_TICK;
45	our $NOW;	57	our $NOW;
		58	our $USE_FSYNC = 1; # use fsync to write maps - default off
		59
		60	our $BDB_POLL_WATCHER;
		61	our $DB_ENV;
46		62
47	our %CFG;	63	our %CFG;
48		64
49	our $UPTIME; $UPTIME ||= time;	65	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	66	our $RUNTIME;
51		67
		68	our %PLAYER; # all users
52	our %MAP; # all maps	69	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	70	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	71	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	72	our $BDB_ENV_DIR = cf::localdir . "/db";
		73
		74	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		75	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		76
		77	# used to convert map paths into valid unix filenames by replacing / by ∕
		78	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		79
58	binmode STDOUT;	80	binmode STDOUT;
59	binmode STDERR;	81	binmode STDERR;
60		82
61	# read virtual server time, if available	83	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	90	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	91	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	92	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	93	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	94	mkdir $RANDOM_MAPS;
		95	mkdir $BDB_ENV_DIR;
73		96
74	# a special map that is always available	97	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		98
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	99	sub cf::map::normalise;
78		100
79	#############################################################################	101	#############################################################################
80		102
81	=head2 GLOBAL VARIABLES	103	=head2 GLOBAL VARIABLES
82		104
…		…
106		128
107	=item %cf::CFG	129	=item %cf::CFG
108		130
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	131	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	132	from wherever your confdir points to.
		133
		134	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		135
		136	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		137	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		138	processing has been done. Call C<< ->wait >> on them to maximise the
		139	window of cpu time available, or simply to synchronise to the server tick.
111		140
112	=back	141	=back
113		142
114	=cut	143	=cut
115		144
…		…
119	utf8::encode $msg;	148	utf8::encode $msg;
120		149
121	$msg .= "\n"	150	$msg .= "\n"
122	unless $msg =~ /\n$/;	151	unless $msg =~ /\n$/;
123		152
124	LOG llevError, "cfperl: $msg";	153	LOG llevError, $msg;
125	};	154	};
126	}	155	}
127		156
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	157	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	158	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		176
148	$Event::DIED = sub {	177	$Event::DIED = sub {
149	warn "error in event callback: @_";	178	warn "error in event callback: @_";
150	};	179	};
151		180
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	181	=head2 UTILITY FUNCTIONS
157		182
158	=over 4	183	=over 4
159		184
		185	=item dumpval $ref
		186
160	=cut	187	=cut
		188
		189	sub dumpval {
		190	eval {
		191	local $SIG{__DIE__};
		192	my $d;
		193	if (1) {
		194	$d = new Data::Dumper([$_[0]], ["*var"]);
		195	$d->Terse(1);
		196	$d->Indent(2);
		197	$d->Quotekeys(0);
		198	$d->Useqq(1);
		199	#$d->Bless(...);
		200	$d->Seen($_[1]) if @_ > 1;
		201	$d = $d->Dump();
		202	}
		203	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		204	$d
		205	} || "[unable to dump $_[0]: '$@']";
		206	}
161		207
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	208	use JSON::Syck (); # TODO# replace by JSON::PC once working
163		209
164	=item $ref = cf::from_json $json	210	=item $ref = cf::from_json $json
165		211
…		…
180		226
181	sub to_json($) {	227	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	228	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	229	JSON::Syck::Dump $_[0]
184	}	230	}
		231
		232	=item cf::lock_wait $string
		233
		234	Wait until the given lock is available. See cf::lock_acquire.
		235
		236	=item my $lock = cf::lock_acquire $string
		237
		238	Wait until the given lock is available and then acquires it and returns
		239	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		240	for example when the coroutine gets canceled), the lock is automatically
		241	returned.
		242
		243	Lock names should begin with a unique identifier (for example, cf::map::find
		244	uses map_find and cf::map::load uses map_load).
		245
		246	=cut
		247
		248	our %LOCK;
		249
		250	sub lock_wait($) {
		251	my ($key) = @_;
		252
		253	# wait for lock, if any
		254	while ($LOCK{$key}) {
		255	push @{ $LOCK{$key} }, $Coro::current;
		256	Coro::schedule;
		257	}
		258	}
		259
		260	sub lock_acquire($) {
		261	my ($key) = @_;
		262
		263	# wait, to be sure we are not locked
		264	lock_wait $key;
		265
		266	$LOCK{$key} = [];
		267
		268	Coro::guard {
		269	# wake up all waiters, to be on the safe side
		270	$_->ready for @{ delete $LOCK{$key} };
		271	}
		272	}
		273
		274	sub freeze_mainloop {
		275	return unless $TICK_WATCHER->is_active;
		276
		277	my $guard = Coro::guard {
		278	$TICK_WATCHER->start;
		279	};
		280	$TICK_WATCHER->stop;
		281	$guard
		282	}
		283
		284	=item cf::async { BLOCK }
		285
		286	Currently the same as Coro::async_pool, meaning you cannot use
		287	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		288	thing you are allowed to do is call C<prio> on it.
		289
		290	=cut
		291
		292	BEGIN { *async = \&Coro::async_pool }
185		293
186	=item cf::sync_job { BLOCK }	294	=item cf::sync_job { BLOCK }
187		295
188	The design of crossfire+ requires that the main coro ($Coro::main) is	296	The design of crossfire+ requires that the main coro ($Coro::main) is
189	always able to handle events or runnable, as crossfire+ is only partly	297	always able to handle events or runnable, as crossfire+ is only partly
…		…
203	# this is the main coro, too bad, we have to block	311	# this is the main coro, too bad, we have to block
204	# till the operation succeeds, freezing the server :/	312	# till the operation succeeds, freezing the server :/
205		313
206	# TODO: use suspend/resume instead	314	# TODO: use suspend/resume instead
207	# (but this is cancel-safe)	315	# (but this is cancel-safe)
208	local $FREEZE = 1;	316	my $freeze_guard = freeze_mainloop;
209		317
210	my $busy = 1;	318	my $busy = 1;
211	my @res;	319	my @res;
212		320
213	(Coro::async {	321	(async {
214	@res = eval { $job->() };	322	@res = eval { $job->() };
215	warn $@ if $@;	323	warn $@ if $@;
216	undef $busy;	324	undef $busy;
217	})->prio (Coro::PRIO_MAX);	325	})->prio (Coro::PRIO_MAX);
218		326
219	while ($busy) {	327	while ($busy) {
220	Coro::cede_notself;	328	Coro::cede or Event::one_event;
221	Event::one_event unless Coro::nready;
222	}	329	}
223		330
224	wantarray ? @res : $res[0]	331	wantarray ? @res : $res[0]
225	} else {	332	} else {
226	# we are in another coroutine, how wonderful, everything just works	333	# we are in another coroutine, how wonderful, everything just works
227		334
228	$job->()	335	$job->()
229	}	336	}
230	}	337	}
231		338
232	=item $coro = cf::coro { BLOCK }	339	=item $coro = cf::async_ext { BLOCK }
233		340
234	Creates and returns a new coro. This coro is automcatially being canceled	341	Like async, but this coro is automatically being canceled when the
235	when the extension calling this is being unloaded.	342	extension calling this is being unloaded.
236		343
237	=cut	344	=cut
238		345
239	sub coro(&) {	346	sub async_ext(&) {
240	my $cb = shift;	347	my $cb = shift;
241		348
242	my $coro; $coro = async {	349	my $coro = &Coro::async ($cb);
243	eval {
244	$cb->();
245	};
246	warn $@ if $@;
247	};
248		350
249	$coro->on_destroy (sub {	351	$coro->on_destroy (sub {
250	delete $EXT_CORO{$coro+0};	352	delete $EXT_CORO{$coro+0};
251	});	353	});
252	$EXT_CORO{$coro+0} = $coro;	354	$EXT_CORO{$coro+0} = $coro;
253		355
254	$coro	356	$coro
255	}	357	}
256		358
257	sub write_runtime {	359	sub write_runtime {
		360	my $guard = cf::lock_acquire "write_runtime";
		361
258	my $runtime = cf::localdir . "/runtime";	362	my $runtime = cf::localdir . "/runtime";
259		363
260	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
261	or return;	365	or return;
262		366
		367	my $value = $cf::RUNTIME + 90 + 10;
263	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	368	# 10 is the runtime save interval, for a monotonic clock
		369	# 60 allows for the watchdog to kill the server.
		370
264	(aio_write $fh, 0, (length $value), $value, 0) <= 0	371	(aio_write $fh, 0, (length $value), $value, 0) <= 0
265	and return;	372	and return;
266		373
		374	# always fsync - this file is important
267	aio_fsync $fh	375	aio_fsync $fh
268	and return;	376	and return;
269		377
270	close $fh	378	close $fh
271	or return;	379	or return;
…		…
277	}	385	}
278		386
279	=back	387	=back
280		388
281	=cut	389	=cut
282
283	#############################################################################
284
285	package cf::path;
286
287	sub new {
288	my ($class, $path, $base) = @_;
289
290	$path = $path->as_string if ref $path;
291
292	my $self = bless { }, $class;
293
294	if ($path =~ s{^\?random/}{}) {
295	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
296	$self->{random} = cf::from_json $data;
297	} else {
298	if ($path =~ s{^~([^/]+)?}{}) {
299	$self->{user_rel} = 1;
300
301	if (defined $1) {
302	$self->{user} = $1;
303	} elsif ($base =~ m{^~([^/]+)/}) {
304	$self->{user} = $1;
305	} else {
306	warn "cannot resolve user-relative path without user <$path,$base>\n";
307	}
308	} elsif ($path =~ /^\//) {
309	# already absolute
310	} else {
311	$base =~ s{[^/]+/?$}{};
312	return $class->new ("$base/$path");
313	}
314
315	for ($path) {
316	redo if s{/\.?/}{/};
317	redo if s{/[^/]+/\.\./}{/};
318	}
319	}
320
321	$self->{path} = $path;
322
323	$self
324	}
325
326	# the name / primary key / in-game path
327	sub as_string {
328	my ($self) = @_;
329
330	$self->{user_rel} ? "~$self->{user}$self->{path}"
331	: $self->{random} ? "?random/$self->{path}"
332	: $self->{path}
333	}
334
335	# the displayed name, this is a one way mapping
336	sub visible_name {
337	my ($self) = @_;
338
339	# if (my $rmp = $self->{random}) {
340	# # todo: be more intelligent about this
341	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
342	# } else {
343	$self->as_string
344	# }
345	}
346
347	# escape the /'s in the path
348	sub _escaped_path {
349	# ∕ is U+2215
350	(my $path = $_[0]{path}) =~ s/\//∕/g;
351	$path
352	}
353
354	# the original (read-only) location
355	sub load_path {
356	my ($self) = @_;
357
358	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
359	}
360
361	# the temporary/swap location
362	sub save_path {
363	my ($self) = @_;
364
365	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
366	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
367	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
368	}
369
370	# the unique path, might be eq to save_path
371	sub uniq_path {
372	my ($self) = @_;
373
374	$self->{user_rel} || $self->{random}
375	? undef
376	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
377	}
378
379	# return random map parameters, or undef
380	sub random_map_params {
381	my ($self) = @_;
382
383	$self->{random}
384	}
385
386	# this is somewhat ugly, but style maps do need special treatment
387	sub is_style_map {
388	$_[0]{path} =~ m{^/styles/}
389	}
390
391	package cf;
392		390
393	#############################################################################	391	#############################################################################
394		392
395	=head2 ATTACHABLE OBJECTS	393	=head2 ATTACHABLE OBJECTS
396		394
…		…
522	our @CB_TYPE = (); # registry for type (cf-object class) based events	520	our @CB_TYPE = (); # registry for type (cf-object class) based events
523	our @CB_MAP = ();	521	our @CB_MAP = ();
524		522
525	my %attachment;	523	my %attachment;
526		524
		525	sub cf::attachable::thawer_merge {
		526	# simply override everything except _meta
		527	local $_[0]{_meta};
		528	%{$_[0]} = %{$_[1]};
		529	}
		530
527	sub _attach_cb($$$$) {	531	sub _attach_cb($$$$) {
528	my ($registry, $event, $prio, $cb) = @_;	532	my ($registry, $event, $prio, $cb) = @_;
529		533
530	use sort 'stable';	534	use sort 'stable';
531		535
…		…
702	# object support	706	# object support
703		707
704	sub reattach {	708	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	709	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	710	my ($obj) = @_;
		711
		712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
707		713
708	my $registry = $obj->registry;	714	my $registry = $obj->registry;
709		715
710	@$registry = ();	716	@$registry = ();
711		717
…		…
758	$filename, length $$rdata, scalar @$objs;	764	$filename, length $$rdata, scalar @$objs;
759		765
760	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
761	chmod SAVE_MODE, $fh;	767	chmod SAVE_MODE, $fh;
762	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
763	aio_fsync $fh;	769	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	770	close $fh;
765		771
766	if (@$objs) {	772	if (@$objs) {
767	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
768	chmod SAVE_MODE, $fh;	774	chmod SAVE_MODE, $fh;
769	my $data = Storable::nfreeze { version => 1, objs => $objs };	775	my $data = Storable::nfreeze { version => 1, objs => $objs };
770	aio_write $fh, 0, (length $data), $data, 0;	776	aio_write $fh, 0, (length $data), $data, 0;
771	aio_fsync $fh;	777	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	778	close $fh;
773	aio_rename "$filename.pst~", "$filename.pst";	779	aio_rename "$filename.pst~", "$filename.pst";
774	}	780	}
775	} else {	781	} else {
776	aio_unlink "$filename.pst";	782	aio_unlink "$filename.pst";
…		…
807	(aio_load "$filename.pst", $av) >= 0	813	(aio_load "$filename.pst", $av) >= 0
808	or return;	814	or return;
809	$av = eval { (Storable::thaw $av)->{objs} };	815	$av = eval { (Storable::thaw $av)->{objs} };
810	}	816	}
811		817
		818	warn sprintf "loading %s (%d)\n",
		819	$filename, length $data, scalar @{$av || []};#d#
812	return ($data, $av);	820	return ($data, $av);
813	}	821	}
814		822
815	#############################################################################	823	#############################################################################
816	# command handling &c	824	# command handling &c
…		…
841	=cut	849	=cut
842		850
843	sub register_extcmd {	851	sub register_extcmd {
844	my ($name, $cb) = @_;	852	my ($name, $cb) = @_;
845		853
846	my $caller = caller;
847	#warn "registering extcmd '$name' to '$caller'";
848
849	$EXTCMD{$name} = [$cb, $caller];	854	$EXTCMD{$name} = $cb;
850	}	855	}
851		856
852	cf::player->attach (	857	cf::player->attach (
853	on_command => sub {	858	on_command => sub {
854	my ($pl, $name, $params) = @_;	859	my ($pl, $name, $params) = @_;
…		…
867		872
868	my $msg = eval { from_json $buf };	873	my $msg = eval { from_json $buf };
869		874
870	if (ref $msg) {	875	if (ref $msg) {
871	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
872	if (my %reply = $cb->[0]->($pl, $msg)) {	877	if (my %reply = $cb->($pl, $msg)) {
873	$pl->ext_reply ($msg->{msgid}, %reply);	878	$pl->ext_reply ($msg->{msgid}, %reply);
874	}	879	}
875	}	880	}
876	} else {	881	} else {
877	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
879		884
880	cf::override;	885	cf::override;
881	},	886	},
882	);	887	);
883		888
884	sub register {
885	my ($base, $pkg) = @_;
886
887	#TODO
888	}
889
890	sub load_extension {	889	sub load_extension {
891	my ($path) = @_;	890	my ($path) = @_;
892		891
893	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
894	my $base = $1;	893	my $base = $1;
895	my $pkg = $1;	894	my $pkg = $1;
896	$pkg =~ s/[^[:word:]]/_/g;	895	$pkg =~ s/[^[:word:]]/_/g;
897	$pkg = "ext::$pkg";	896	$pkg = "ext::$pkg";
898		897
899	warn "loading '$path' into '$pkg'\n";	898	warn "... loading '$path' into '$pkg'\n";
900		899
901	open my $fh, "<:utf8", $path	900	open my $fh, "<:utf8", $path
902	or die "$path: $!";	901	or die "$path: $!";
903		902
904	my $source =	903	my $source =
905	"package $pkg; use strict; use utf8;\n"	904	"package $pkg; use strict; use utf8;\n"
906	. "#line 1 \"$path\"\n{\n"	905	. "#line 1 \"$path\"\n{\n"
907	. (do { local $/; <$fh> })	906	. (do { local $/; <$fh> })
908	. "\n};\n1";	907	. "\n};\n1";
909		908
910	eval $source	909	unless (eval $source) {
911	or die $@ ? "$path: $@\n"	910	my $msg = $@ ? "$path: $@\n"
912	: "extension disabled.\n";	911	: "extension disabled.\n";
913		912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
914	push @exts, $pkg;	913	warn $@;
915	$ext_pkg{$base} = $pkg;	914	warn "mandatory extension failed to load, exiting.\n";
916		915	exit 1;
917	# no strict 'refs';	916	}
918	# @{"$pkg\::ISA"} = ext::;	917	die $@;
919
920	register $base, $pkg;
921	}
922
923	sub unload_extension {
924	my ($pkg) = @_;
925
926	warn "removing extension $pkg\n";
927
928	# remove hooks
929	#TODO
930	# for my $idx (0 .. $#PLUGIN_EVENT) {
931	# delete $hook[$idx]{$pkg};
932	# }	918	}
933		919
934	# remove commands	920	push @EXTS, $pkg;
935	for my $name (keys %COMMAND) {
936	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
937
938	if (@cb) {
939	$COMMAND{$name} = \@cb;
940	} else {
941	delete $COMMAND{$name};
942	}
943	}
944
945	# remove extcmds
946	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
947	delete $EXTCMD{$name};
948	}
949
950	if (my $cb = $pkg->can ("unload")) {
951	eval {
952	$cb->($pkg);
953	1
954	} or warn "$pkg unloaded, but with errors: $@";
955	}
956
957	Symbol::delete_package $pkg;
958	}	921	}
959		922
960	sub load_extensions {	923	sub load_extensions {
961	for my $ext (<$LIBDIR/*.ext>) {	924	for my $ext (<$LIBDIR/*.ext>) {
962	next unless -r $ext;	925	next unless -r $ext;
…		…
966	} or warn "$ext not loaded: $@";	929	} or warn "$ext not loaded: $@";
967	}	930	}
968	}	931	}
969		932
970	#############################################################################	933	#############################################################################
971	# load/save/clean perl data associated with a map
972
973	*cf::mapsupport::on_clean = sub {
974	my ($map) = @_;
975
976	my $path = $map->tmpname;
977	defined $path or return;
978
979	unlink "$path.pst";
980	};
981
982	cf::map->attach (prio => -10000, package => cf::mapsupport::);
983
984	#############################################################################
985	# load/save perl data associated with player->ob objects
986
987	sub all_objects(@) {
988	@_, map all_objects ($_->inv), @_
989	}
990
991	# TODO: compatibility cruft, remove when no longer needed
992	cf::player->attach (
993	on_load => sub {
994	my ($pl, $path) = @_;
995
996	for my $o (all_objects $pl->ob) {
997	if (my $value = $o->get_ob_key_value ("_perl_data")) {
998	$o->set_ob_key_value ("_perl_data");
999
1000	%$o = %{ Storable::thaw pack "H*", $value };
1001	}
1002	}
1003	},
1004	);
1005
1006	#############################################################################
1007		934
1008	=head2 CORE EXTENSIONS	935	=head2 CORE EXTENSIONS
1009		936
1010	Functions and methods that extend core crossfire objects.	937	Functions and methods that extend core crossfire objects.
1011		938
		939	=cut
		940
		941	package cf::player;
		942
		943	use Coro::AIO;
		944
1012	=head3 cf::player	945	=head3 cf::player
1013		946
1014	=over 4	947	=over 4
1015		948
1016	=item cf::player::exists $login	949	=item cf::player::find $login
1017		950
1018	Returns true when the given account exists.	951	Returns the given player object, loading it if necessary (might block).
1019		952
1020	=cut	953	=cut
1021		954
1022	sub cf::player::exists($) {	955	sub playerdir($) {
1023	cf::player::find $_[0]	956	cf::localdir
1024	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	957	. "/"
		958	. cf::playerdir
		959	. "/"
		960	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		961	}
		962
		963	sub path($) {
		964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		965
		966	(playerdir $login) . "/$login.pl"
		967	}
		968
		969	sub find_active($) {
		970	$cf::PLAYER{$_[0]}
		971	and $cf::PLAYER{$_[0]}->active
		972	and $cf::PLAYER{$_[0]}
		973	}
		974
		975	sub exists($) {
		976	my ($login) = @_;
		977
		978	$cf::PLAYER{$login}
		979	or cf::sync_job { !aio_stat path $login }
		980	}
		981
		982	sub find($) {
		983	return $cf::PLAYER{$_[0]} || do {
		984	my $login = $_[0];
		985
		986	my $guard = cf::lock_acquire "user_find:$login";
		987
		988	$cf::PLAYER{$_[0]} || do {
		989	my $pl = load_pl path $login
		990	or return;
		991	$cf::PLAYER{$login} = $pl
		992	}
		993	}
		994	}
		995
		996	sub save($) {
		997	my ($pl) = @_;
		998
		999	return if $pl->{deny_save};
		1000
		1001	my $path = path $pl;
		1002	my $guard = cf::lock_acquire "user_save:$path";
		1003
		1004	return if $pl->{deny_save};
		1005
		1006	aio_mkdir playerdir $pl, 0770;
		1007	$pl->{last_save} = $cf::RUNTIME;
		1008
		1009	$pl->save_pl ($path);
		1010	Coro::cede;
		1011	}
		1012
		1013	sub new($) {
		1014	my ($login) = @_;
		1015
		1016	my $self = create;
		1017
		1018	$self->ob->name ($login);
		1019	$self->{deny_save} = 1;
		1020
		1021	$cf::PLAYER{$login} = $self;
		1022
		1023	$self
		1024	}
		1025
		1026	=item $pl->quit_character
		1027
		1028	Nukes the player without looking back. If logged in, the connection will
		1029	be destroyed. May block for a long time.
		1030
		1031	=cut
		1032
		1033	sub quit_character {
		1034	my ($pl) = @_;
		1035
		1036	my $name = $pl->ob->name;
		1037
		1038	$pl->{deny_save} = 1;
		1039	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1040
		1041	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1042	$pl->deactivate;
		1043	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1044	$pl->ns->destroy if $pl->ns;
		1045
		1046	my $path = playerdir $pl;
		1047	my $temp = "$path~$cf::RUNTIME~deleting~";
		1048	aio_rename $path, $temp;
		1049	delete $cf::PLAYER{$pl->ob->name};
		1050	$pl->destroy;
		1051
		1052	my $prefix = qr<^~\Q$name\E/>;
		1053
		1054	# nuke player maps
		1055	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1056
		1057	IO::AIO::aio_rmtree $temp;
		1058	}
		1059
		1060	=item $pl->kick
		1061
		1062	Kicks a player out of the game. This destroys the connection.
		1063
		1064	=cut
		1065
		1066	sub kick {
		1067	my ($pl, $kicker) = @_;
		1068
		1069	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1070	$pl->killer ("kicked");
		1071	$pl->ns->destroy;
		1072	}
		1073
		1074	=item cf::player::list_logins
		1075
		1076	Returns am arrayref of all valid playernames in the system, can take a
		1077	while and may block, so not sync_job-capable, ever.
		1078
		1079	=cut
		1080
		1081	sub list_logins {
		1082	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1083	or return [];
		1084
		1085	my @logins;
		1086
		1087	for my $login (@$dirs) {
		1088	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1089	aio_read $fh, 0, 512, my $buf, 0 or next;
		1090	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1091
		1092	utf8::decode $login;
		1093	push @logins, $login;
		1094	}
		1095
		1096	\@logins
		1097	}
		1098
		1099	=item $player->maps
		1100
		1101	Returns an arrayref of map paths that are private for this
		1102	player. May block.
		1103
		1104	=cut
		1105
		1106	sub maps($) {
		1107	my ($pl) = @_;
		1108
		1109	$pl = ref $pl ? $pl->ob->name : $pl;
		1110
		1111	my $files = aio_readdir playerdir $pl
		1112	or return;
		1113
		1114	my @paths;
		1115
		1116	for (@$files) {
		1117	utf8::decode $_;
		1118	next if /\.(?:pl|pst)$/;
		1119	next unless /^$PATH_SEP/o;
		1120
		1121	push @paths, cf::map::normalise "~$pl/$_";
		1122	}
		1123
		1124	\@paths
1025	}	1125	}
1026		1126
1027	=item $player->ext_reply ($msgid, $msgtype, %msg)	1127	=item $player->ext_reply ($msgid, $msgtype, %msg)
1028		1128
1029	Sends an ext reply to the player.	1129	Sends an ext reply to the player.
1030		1130
1031	=cut	1131	=cut
1032		1132
1033	sub cf::player::ext_reply($$$%) {	1133	sub ext_reply($$$%) {
1034	my ($self, $id, %msg) = @_;	1134	my ($self, $id, %msg) = @_;
1035		1135
1036	$msg{msgid} = $id;	1136	$msg{msgid} = $id;
1037		1137
1038	$self->send ("ext " . to_json \%msg);	1138	$self->send ("ext " . cf::to_json \%msg);
1039	}	1139	}
		1140
		1141	package cf;
1040		1142
1041	=back	1143	=back
1042		1144
1043		1145
1044	=head3 cf::map	1146	=head3 cf::map
…		…
1050	package cf::map;	1152	package cf::map;
1051		1153
1052	use Fcntl;	1154	use Fcntl;
1053	use Coro::AIO;	1155	use Coro::AIO;
1054		1156
		1157	use overload
		1158	'""' => \&as_string,
		1159	fallback => 1;
		1160
1055	our $MAX_RESET = 7200;	1161	our $MAX_RESET = 3600;
1056	our $DEFAULT_RESET = 3600;	1162	our $DEFAULT_RESET = 3000;
1057		1163
1058	sub generate_random_map {	1164	sub generate_random_map {
1059	my ($path, $rmp) = @_;	1165	my ($self, $rmp) = @_;
1060
1061	# mit "rum" bekleckern, nicht	1166	# mit "rum" bekleckern, nicht
1062	cf::map::_create_random_map	1167	$self->_create_random_map (
1063	$path,
1064	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1168	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1065	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1169	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1066	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1170	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1067	$rmp->{exit_on_final_map},	1171	$rmp->{exit_on_final_map},
1068	$rmp->{xsize}, $rmp->{ysize},	1172	$rmp->{xsize}, $rmp->{ysize},
1069	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1173	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1070	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1174	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1071	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1175	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1072	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1176	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1073	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1177	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1074	(cf::region::find $rmp->{region})	1178	(cf::region::find $rmp->{region}), $rmp->{custom}
		1179	)
		1180	}
		1181
		1182	=item cf::map->register ($regex, $prio)
		1183
		1184	Register a handler for the map path matching the given regex at the
		1185	givne priority (higher is better, built-in handlers have priority 0, the
		1186	default).
		1187
		1188	=cut
		1189
		1190	sub register {
		1191	my (undef, $regex, $prio) = @_;
		1192	my $pkg = caller;
		1193
		1194	no strict;
		1195	push @{"$pkg\::ISA"}, __PACKAGE__;
		1196
		1197	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1198	}
		1199
		1200	# also paths starting with '/'
		1201	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1202
		1203	sub thawer_merge {
		1204	my ($self, $merge) = @_;
		1205
		1206	# we have to keep some variables in memory intact
		1207	local $self->{path};
		1208	local $self->{load_path};
		1209	local $self->{deny_save};
		1210	local $self->{deny_reset};
		1211
		1212	$self->SUPER::thawer_merge ($merge);
		1213	}
		1214
		1215	sub normalise {
		1216	my ($path, $base) = @_;
		1217
		1218	$path = "$path"; # make sure its a string
		1219
		1220	$path =~ s/\.map$//;
		1221
		1222	# map plan:
		1223	#
		1224	# /! non-realised random map exit (special hack!)
		1225	# {... are special paths that are not being touched
		1226	# ?xxx/... are special absolute paths
		1227	# ?random/... random maps
		1228	# /... normal maps
		1229	# ~user/... per-player map of a specific user
		1230
		1231	$path =~ s/$PATH_SEP/\//go;
		1232
		1233	# treat it as relative path if it starts with
		1234	# something that looks reasonable
		1235	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1236	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1237
		1238	$base =~ s{[^/]+/?$}{};
		1239	$path = "$base/$path";
		1240	}
		1241
		1242	for ($path) {
		1243	redo if s{//}{/};
		1244	redo if s{/\.?/}{/};
		1245	redo if s{/[^/]+/\.\./}{/};
		1246	}
		1247
		1248	$path
		1249	}
		1250
		1251	sub new_from_path {
		1252	my (undef, $path, $base) = @_;
		1253
		1254	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1255
		1256	$path = normalise $path, $base;
		1257
		1258	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1259	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1260	my $self = bless cf::map::new, $pkg;
		1261	$self->{path} = $path; $self->path ($path);
		1262	$self->init; # pass $1 etc.
		1263	return $self;
		1264	}
		1265	}
		1266
		1267	Carp::carp "unable to resolve path '$path' (base '$base').";
		1268	()
		1269	}
		1270
		1271	sub init {
		1272	my ($self) = @_;
		1273
		1274	$self
		1275	}
		1276
		1277	sub as_string {
		1278	my ($self) = @_;
		1279
		1280	"$self->{path}"
		1281	}
		1282
		1283	# the displayed name, this is a one way mapping
		1284	sub visible_name {
		1285	&as_string
		1286	}
		1287
		1288	# the original (read-only) location
		1289	sub load_path {
		1290	my ($self) = @_;
		1291
		1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1293	}
		1294
		1295	# the temporary/swap location
		1296	sub save_path {
		1297	my ($self) = @_;
		1298
		1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1301	}
		1302
		1303	# the unique path, undef == no special unique path
		1304	sub uniq_path {
		1305	my ($self) = @_;
		1306
		1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1075	}	1309	}
1076		1310
1077	# and all this just because we cannot iterate over	1311	# and all this just because we cannot iterate over
1078	# all maps in C++...	1312	# all maps in C++...
1079	sub change_all_map_light {	1313	sub change_all_map_light {
1080	my ($change) = @_;	1314	my ($change) = @_;
1081		1315
1082	$_->change_map_light ($change) for values %cf::MAP;	1316	$_->change_map_light ($change)
		1317	for grep $_->outdoor, values %cf::MAP;
1083	}	1318	}
1084		1319
		1320	sub unlink_save {
		1321	my ($self) = @_;
		1322
		1323	utf8::encode (my $save = $self->save_path);
		1324	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1325	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1326	}
		1327
1085	sub try_load_header($) {	1328	sub load_header_from($) {
1086	my ($path) = @_;	1329	my ($self, $path) = @_;
1087		1330
1088	utf8::encode $path;	1331	utf8::encode $path;
1089	aio_open $path, O_RDONLY, 0	1332	#aio_open $path, O_RDONLY, 0
		1333	# or return;
		1334
		1335	$self->_load_header ($path)
1090	or return;	1336	or return;
1091		1337
1092	my $map = cf::map::new	1338	$self->{load_path} = $path;
		1339
		1340	1
		1341	}
		1342
		1343	sub load_header_orig {
		1344	my ($self) = @_;
		1345
		1346	$self->load_header_from ($self->load_path)
		1347	}
		1348
		1349	sub load_header_temp {
		1350	my ($self) = @_;
		1351
		1352	$self->load_header_from ($self->save_path)
		1353	}
		1354
		1355	sub prepare_temp {
		1356	my ($self) = @_;
		1357
		1358	$self->last_access ((delete $self->{last_access})
		1359	|| $cf::RUNTIME); #d#
		1360	# safety
		1361	$self->{instantiate_time} = $cf::RUNTIME
		1362	if $self->{instantiate_time} > $cf::RUNTIME;
		1363	}
		1364
		1365	sub prepare_orig {
		1366	my ($self) = @_;
		1367
		1368	$self->{load_original} = 1;
		1369	$self->{instantiate_time} = $cf::RUNTIME;
		1370	$self->last_access ($cf::RUNTIME);
		1371	$self->instantiate;
		1372	}
		1373
		1374	sub load_header {
		1375	my ($self) = @_;
		1376
		1377	if ($self->load_header_temp) {
		1378	$self->prepare_temp;
		1379	} else {
		1380	$self->load_header_orig
1093	or return;	1381	or return;
		1382	$self->prepare_orig;
		1383	}
1094		1384
1095	$map->load_header ($path)	1385	1
1096	or return;
1097
1098	$map->{load_path} = $path;
1099
1100	$map
1101	}	1386	}
1102		1387
		1388	sub find;
1103	sub find_map {	1389	sub find {
1104	my ($path, $origin) = @_;	1390	my ($path, $origin) = @_;
1105		1391
1106	#warn "find_map<$path,$origin>\n";#d#
1107
1108	$path = new cf::path $path, $origin && $origin->path;	1392	$path = normalise $path, $origin && $origin->path;
1109	my $key = $path->as_string;
1110		1393
		1394	cf::lock_wait "map_find:$path";
		1395
1111	$cf::MAP{$key} || do {	1396	$cf::MAP{$path} || do {
1112	# do it the slow way	1397	my $guard = cf::lock_acquire "map_find:$path";
1113	my $map = try_load_header $path->save_path;	1398	my $map = new_from_path cf::map $path
1114
1115	if ($map) {
1116	# safety
1117	$map->{instantiate_time} = $cf::RUNTIME
1118	if $map->{instantiate_time} > $cf::RUNTIME;
1119	} else {
1120	if (my $rmp = $path->random_map_params) {
1121	$map = generate_random_map $key, $rmp;
1122	} else {
1123	$map = try_load_header $path->load_path;
1124	}
1125
1126	$map or return;	1399	or return;
1127		1400
1128	$map->{load_original} = 1;
1129	$map->{instantiate_time} = $cf::RUNTIME;
1130	$map->instantiate;
1131
1132	# per-player maps become, after loading, normal maps
1133	$map->per_player (0) if $path->{user_rel};
1134	}
1135
1136	$map->path ($key);
1137	$map->{path} = $path;
1138	$map->last_access ($cf::RUNTIME);	1401	$map->{last_save} = $cf::RUNTIME;
1139		1402
1140	if ($map->should_reset) {	1403	$map->load_header
		1404	or return;
		1405
		1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1407	# doing this can freeze the server in a sync job, obviously
		1408	#$cf::WAIT_FOR_TICK->wait;
1141	$map->reset;	1409	$map->reset;
1142	$map = find_map $path;	1410	undef $guard;
		1411	return find $path;
1143	}	1412	}
1144		1413
1145	$cf::MAP{$key} = $map	1414	$cf::MAP{$path} = $map
1146	}	1415	}
1147	}	1416	}
		1417
		1418	sub pre_load { }
		1419	sub post_load { }
1148		1420
1149	sub load {	1421	sub load {
1150	my ($self) = @_;	1422	my ($self) = @_;
1151		1423
		1424	local $self->{deny_reset} = 1; # loading can take a long time
		1425
		1426	my $path = $self->{path};
		1427	my $guard = cf::lock_acquire "map_load:$path";
		1428
1152	return if $self->in_memory != cf::MAP_SWAPPED;	1429	return if $self->in_memory != cf::MAP_SWAPPED;
1153		1430
1154	$self->in_memory (cf::MAP_LOADING);	1431	$self->in_memory (cf::MAP_LOADING);
1155		1432
1156	my $path = $self->{path};
1157
1158	$self->alloc;	1433	$self->alloc;
		1434
		1435	$self->pre_load;
		1436
1159	$self->load_objects ($self->{load_path}, 1)	1437	$self->_load_objects ($self->{load_path}, 1)
1160	or return;	1438	or return;
1161		1439
1162	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1163	if delete $self->{load_original};	1441	if delete $self->{load_original};
1164		1442
1165	if (my $uniq = $path->uniq_path) {	1443	if (my $uniq = $self->uniq_path) {
1166	utf8::encode $uniq;	1444	utf8::encode $uniq;
1167	if (aio_open $uniq, O_RDONLY, 0) {	1445	if (aio_open $uniq, O_RDONLY, 0) {
1168	$self->clear_unique_items;	1446	$self->clear_unique_items;
1169	$self->load_objects ($uniq, 0);	1447	$self->_load_objects ($uniq, 0);
1170	}	1448	}
1171	}	1449	}
		1450
		1451	Coro::cede;
1172		1452
1173	# now do the right thing for maps	1453	# now do the right thing for maps
1174	$self->link_multipart_objects;	1454	$self->link_multipart_objects;
1175		1455
1176	if ($self->{path}->is_style_map) {	1456	unless ($self->{deny_activate}) {
1177	$self->{deny_save} = 1;	1457	$self->decay_objects;
1178	$self->{deny_reset} = 1;
1179	} else {
1180	$self->fix_auto_apply;	1458	$self->fix_auto_apply;
1181	$self->decay_objects;
1182	$self->update_buttons;	1459	$self->update_buttons;
		1460	Coro::cede;
1183	$self->set_darkness_map;	1461	$self->set_darkness_map;
1184	$self->difficulty ($self->estimate_difficulty)	1462	$self->difficulty ($self->estimate_difficulty)
1185	unless $self->difficulty;	1463	unless $self->difficulty;
		1464	Coro::cede;
1186	$self->activate;	1465	$self->activate;
1187	}	1466	}
1188		1467
		1468	$self->post_load;
		1469
1189	$self->in_memory (cf::MAP_IN_MEMORY);	1470	$self->in_memory (cf::MAP_IN_MEMORY);
1190	}	1471	}
1191		1472
1192	sub load_map_sync {	1473	sub customise_for {
		1474	my ($self, $ob) = @_;
		1475
		1476	return find "~" . $ob->name . "/" . $self->{path}
		1477	if $self->per_player;
		1478
		1479	$self
		1480	}
		1481
		1482	# find and load all maps in the 3x3 area around a map
		1483	sub load_diag {
		1484	my ($map) = @_;
		1485
		1486	my @diag; # diagonal neighbours
		1487
		1488	for (0 .. 3) {
		1489	my $neigh = $map->tile_path ($_)
		1490	or next;
		1491	$neigh = find $neigh, $map
		1492	or next;
		1493	$neigh->load;
		1494
		1495	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1496	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1497	}
		1498
		1499	for (@diag) {
		1500	my $neigh = find @$_
		1501	or next;
		1502	$neigh->load;
		1503	}
		1504	}
		1505
		1506	sub find_sync {
1193	my ($path, $origin) = @_;	1507	my ($path, $origin) = @_;
1194		1508
1195	#warn "load_map_sync<$path, $origin>\n";#d#	1509	cf::sync_job { find $path, $origin }
		1510	}
1196		1511
1197	cf::sync_job {	1512	sub do_load_sync {
1198	my $map = cf::map::find_map $path, $origin	1513	my ($map) = @_;
1199	or return;	1514
		1515	cf::sync_job { $map->load };
		1516	}
		1517
		1518	our %MAP_PREFETCH;
		1519	our $MAP_PREFETCHER = undef;
		1520
		1521	sub find_async {
		1522	my ($path, $origin) = @_;
		1523
		1524	$path = normalise $path, $origin && $origin->{path};
		1525
		1526	if (my $map = $cf::MAP{$path}) {
		1527	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1528	}
		1529
		1530	undef $MAP_PREFETCH{$path};
		1531	$MAP_PREFETCHER ||= cf::async {
		1532	while (%MAP_PREFETCH) {
		1533	for my $path (keys %MAP_PREFETCH) {
		1534	my $map = find $path
		1535	or next;
1200	$map->load;	1536	$map->load;
1201	$map	1537
		1538	delete $MAP_PREFETCH{$path};
		1539	}
		1540	}
		1541	undef $MAP_PREFETCHER;
1202	}	1542	};
		1543	$MAP_PREFETCHER->prio (6);
		1544
		1545	()
1203	}	1546	}
1204		1547
1205	sub save {	1548	sub save {
1206	my ($self) = @_;	1549	my ($self) = @_;
1207		1550
1208	my $save = $self->{path}->save_path; utf8::encode $save;	1551	my $lock = cf::lock_acquire "map_data:" . $self->path;
1209	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1210		1552
1211	$self->{last_save} = $cf::RUNTIME;	1553	$self->{last_save} = $cf::RUNTIME;
1212		1554
1213	return unless $self->dirty;	1555	return unless $self->dirty;
1214		1556
		1557	my $save = $self->save_path; utf8::encode $save;
		1558	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1559
1215	$self->{load_path} = $save;	1560	$self->{load_path} = $save;
1216		1561
1217	return if $self->{deny_save};	1562	return if $self->{deny_save};
1218		1563
		1564	local $self->{last_access} = $self->last_access;#d#
		1565
		1566	cf::async {
		1567	$_->contr->save for $self->players;
		1568	};
		1569
1219	if ($uniq) {	1570	if ($uniq) {
1220	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1571	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1221	$self->save_objects ($uniq, cf::IO_UNIQUES);	1572	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1222	} else {	1573	} else {
1223	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1574	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1224	}	1575	}
1225	}	1576	}
1226		1577
1227	sub swap_out {	1578	sub swap_out {
1228	my ($self) = @_;	1579	my ($self) = @_;
		1580
		1581	# save first because save cedes
		1582	$self->save;
		1583
		1584	my $lock = cf::lock_acquire "map_data:" . $self->path;
1229		1585
1230	return if $self->players;	1586	return if $self->players;
1231	return if $self->in_memory != cf::MAP_IN_MEMORY;	1587	return if $self->in_memory != cf::MAP_IN_MEMORY;
1232	return if $self->{deny_save};	1588	return if $self->{deny_save};
1233		1589
1234	$self->save;
1235	$self->clear;	1590	$self->clear;
1236	$self->in_memory (cf::MAP_SWAPPED);	1591	$self->in_memory (cf::MAP_SWAPPED);
1237	}	1592	}
1238		1593
1239	sub reset_at {	1594	sub reset_at {
1240	my ($self) = @_;	1595	my ($self) = @_;
1241		1596
1242	# TODO: safety, remove and allow resettable per-player maps	1597	# TODO: safety, remove and allow resettable per-player maps
1243	return 1e100 if $self->{path}{user_rel};	1598	return 1e99 if $self->isa ("ext::map_per_player");#d#
1244	return 1e100 if $self->{deny_reset};	1599	return 1e99 if $self->{deny_reset};
1245		1600
1246	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1247	my $to = $self->reset_timeout || $DEFAULT_RESET;	1602	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1248	$to = $MAX_RESET if $to > $MAX_RESET;
1249		1603
1250	$time + $to	1604	$time + $to
1251	}	1605	}
1252		1606
1253	sub should_reset {	1607	sub should_reset {
1254	my ($self) = @_;	1608	my ($self) = @_;
1255		1609
1256	$self->reset_at <= $cf::RUNTIME	1610	$self->reset_at <= $cf::RUNTIME
1257	}	1611	}
1258		1612
1259	sub unlink_save {
1260	my ($self) = @_;
1261
1262	utf8::encode (my $save = $self->{path}->save_path);
1263	aioreq_pri 3; IO::AIO::aio_unlink $save;
1264	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1265	}
1266
1267	sub rename {
1268	my ($self, $new_path) = @_;
1269
1270	$self->unlink_save;
1271
1272	delete $cf::MAP{$self->path};
1273	$self->{path} = new cf::path $new_path;
1274	$self->path ($self->{path}->path);
1275	$cf::MAP{$self->path} = $self;
1276
1277	$self->save;
1278	}
1279
1280	sub reset {	1613	sub reset {
1281	my ($self) = @_;	1614	my ($self) = @_;
1282		1615
		1616	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1617
1283	return if $self->players;	1618	return if $self->players;
1284	return if $self->{path}{user_rel};#d#	1619	return if $self->isa ("ext::map_per_player");#d#
1285		1620
1286	warn "resetting map ", $self->path;#d#	1621	warn "resetting map ", $self->path;#d#
1287		1622
		1623	$self->in_memory (cf::MAP_SWAPPED);
		1624
		1625	# need to save uniques path
		1626	unless ($self->{deny_save}) {
		1627	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1628
		1629	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1630	if $uniq;
		1631	}
		1632
1288	delete $cf::MAP{$self->path};	1633	delete $cf::MAP{$self->path};
		1634
		1635	$self->clear;
1289		1636
1290	$_->clear_links_to ($self) for values %cf::MAP;	1637	$_->clear_links_to ($self) for values %cf::MAP;
1291		1638
1292	$self->unlink_save;	1639	$self->unlink_save;
1293	$self->destroy;	1640	$self->destroy;
1294	}	1641	}
1295		1642
1296	sub customise_for {	1643	my $nuke_counter = "aaaa";
1297	my ($map, $ob) = @_;
1298		1644
1299	if ($map->per_player) {	1645	sub nuke {
1300	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1646	my ($self) = @_;
1301	}
1302		1647
1303	$map	1648	delete $cf::MAP{$self->path};
1304	}
1305		1649
1306	sub emergency_save {	1650	$self->unlink_save;
1307	local $cf::FREEZE = 1;
1308		1651
1309	warn "enter emergency map save\n";	1652	bless $self, "cf::map";
		1653	delete $self->{deny_reset};
		1654	$self->{deny_save} = 1;
		1655	$self->reset_timeout (1);
		1656	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1310		1657
1311	cf::sync_job {	1658	$cf::MAP{$self->path} = $self;
1312	warn "begin emergency map save\n";	1659
1313	$_->save for values %cf::MAP;	1660	$self->reset; # polite request, might not happen
		1661	}
		1662
		1663	=item cf::map::unique_maps
		1664
		1665	Returns an arrayref of paths of all shared maps that have
		1666	instantiated unique items. May block.
		1667
		1668	=cut
		1669
		1670	sub unique_maps() {
		1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1672	or return;
		1673
		1674	my @paths;
		1675
		1676	for (@$files) {
		1677	utf8::decode $_;
		1678	next if /\.pst$/;
		1679	next unless /^$PATH_SEP/o;
		1680
		1681	push @paths, cf::map::normalise $_;
1314	};	1682	}
1315		1683
1316	warn "end emergency map save\n";	1684	\@paths
1317	}	1685	}
1318		1686
1319	package cf;	1687	package cf;
1320		1688
1321	=back	1689	=back
1322		1690
		1691	=head3 cf::object
		1692
		1693	=cut
		1694
		1695	package cf::object;
		1696
		1697	=over 4
		1698
		1699	=item $ob->inv_recursive
		1700
		1701	Returns the inventory of the object _and_ their inventories, recursively.
		1702
		1703	=cut
		1704
		1705	sub inv_recursive_;
		1706	sub inv_recursive_ {
		1707	map { $_, inv_recursive_ $_->inv } @_
		1708	}
		1709
		1710	sub inv_recursive {
		1711	inv_recursive_ inv $_[0]
		1712	}
		1713
		1714	package cf;
		1715
		1716	=back
1323		1717
1324	=head3 cf::object::player	1718	=head3 cf::object::player
1325		1719
1326	=over 4	1720	=over 4
1327		1721
…		…
1363	(ref $cf::CFG{"may_$access"}	1757	(ref $cf::CFG{"may_$access"}
1364	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1758	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1365	: $cf::CFG{"may_$access"})	1759	: $cf::CFG{"may_$access"})
1366	}	1760	}
1367		1761
		1762	=item $player_object->enter_link
		1763
		1764	Freezes the player and moves him/her to a special map (C<{link}>).
		1765
		1766	The player should be reasonably safe there for short amounts of time. You
		1767	I<MUST> call C<leave_link> as soon as possible, though.
		1768
		1769	Will never block.
		1770
		1771	=item $player_object->leave_link ($map, $x, $y)
		1772
		1773	Moves the player out of the special C<{link}> map onto the specified
		1774	map. If the map is not valid (or omitted), the player will be moved back
		1775	to the location he/she was before the call to C<enter_link>, or, if that
		1776	fails, to the emergency map position.
		1777
		1778	Might block.
		1779
		1780	=cut
		1781
		1782	sub link_map {
		1783	unless ($LINK_MAP) {
		1784	$LINK_MAP = cf::map::find "{link}"
		1785	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1786	$LINK_MAP->load;
		1787	}
		1788
		1789	$LINK_MAP
		1790	}
		1791
1368	sub cf::object::player::enter_link {	1792	sub cf::object::player::enter_link {
1369	my ($self) = @_;	1793	my ($self) = @_;
1370		1794
1371	return if $self->map == $LINK_MAP;	1795	$self->deactivate_recursive;
1372		1796
		1797	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1798
1373	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1374	if $self->map;	1800	if $self->map;
1375		1801
1376	$self->enter_map ($LINK_MAP, 20, 20);	1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1377	$self->deactivate_recursive;
1378	}	1803	}
1379		1804
1380	sub cf::object::player::leave_link {	1805	sub cf::object::player::leave_link {
1381	my ($self, $map, $x, $y) = @_;	1806	my ($self, $map, $x, $y) = @_;
1382		1807
1383	my $link_pos = delete $self->{_link_pos};	1808	my $link_pos = delete $self->{_link_pos};
1384		1809
1385	unless ($map) {	1810	unless ($map) {
1386	$self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1387
1388	# restore original map position	1811	# restore original map position
1389	($map, $x, $y) = @{ $link_pos || [] };	1812	($map, $x, $y) = @{ $link_pos || [] };
1390	$map = cf::map::find_map $map;	1813	$map = cf::map::find $map;
1391		1814
1392	unless ($map) {	1815	unless ($map) {
1393	($map, $x, $y) = @$EMERGENCY_POSITION;	1816	($map, $x, $y) = @$EMERGENCY_POSITION;
1394	$map = cf::map::find_map $map	1817	$map = cf::map::find $map
1395	or die "FATAL: cannot load emergency map\n";	1818	or die "FATAL: cannot load emergency map\n";
1396	}	1819	}
1397	}	1820	}
1398		1821
1399	($x, $y) = (-1, -1)	1822	($x, $y) = (-1, -1)
…		…
1402	# use -1 or undef as default coordinates, not 0, 0	1825	# use -1 or undef as default coordinates, not 0, 0
1403	($x, $y) = ($map->enter_x, $map->enter_y)	1826	($x, $y) = ($map->enter_x, $map->enter_y)
1404	if $x <=0 && $y <= 0;	1827	if $x <=0 && $y <= 0;
1405		1828
1406	$map->load;	1829	$map->load;
		1830	$map->load_diag;
1407		1831
		1832	return unless $self->contr->active;
1408	$self->activate_recursive;	1833	$self->activate_recursive;
		1834
		1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1409	$self->enter_map ($map, $x, $y);	1836	$self->enter_map ($map, $x, $y);
1410	}	1837	}
1411		1838
		1839	cf::player->attach (
		1840	on_logout => sub {
		1841	my ($pl) = @_;
		1842
		1843	# abort map switching before logout
		1844	if ($pl->ob->{_link_pos}) {
		1845	cf::sync_job {
		1846	$pl->ob->leave_link
		1847	};
		1848	}
		1849	},
		1850	on_login => sub {
		1851	my ($pl) = @_;
		1852
		1853	# try to abort aborted map switching on player login :)
		1854	# should happen only on crashes
		1855	if ($pl->ob->{_link_pos}) {
		1856	$pl->ob->enter_link;
		1857	(async {
		1858	$pl->ob->reply (undef,
		1859	"There was an internal problem at your last logout, "
		1860	. "the server will try to bring you to your intended destination in a second.",
		1861	cf::NDI_RED);
		1862	# we need this sleep as the login has a concurrent enter_exit running
		1863	# and this sleep increases chances of the player not ending up in scorn
		1864	Coro::Timer::sleep 1;
		1865	$pl->ob->leave_link;
		1866	})->prio (2);
		1867	}
		1868	},
		1869	);
		1870
1412	=item $player_object->goto_map ($map, $x, $y)	1871	=item $player_object->goto ($path, $x, $y)
1413		1872
1414	=cut	1873	=cut
1415		1874
1416	sub cf::object::player::goto_map {	1875	sub cf::object::player::goto {
1417	my ($self, $path, $x, $y) = @_;	1876	my ($self, $path, $x, $y) = @_;
1418		1877
1419	$self->enter_link;	1878	$self->enter_link;
1420		1879
1421	(Coro::async {	1880	(async {
1422	$path = new cf::path $path;	1881	my $map = eval {
1423
1424	my $map = cf::map::find_map $path->as_string;	1882	my $map = cf::map::find $path;
1425	$map = $map->customise_for ($self) if $map;	1883	$map = $map->customise_for ($self) if $map;
1426
1427	warn "entering ", $map->path, " at ($x, $y)\n"
1428	if $map;	1884	$map
		1885	} or
		1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1429		1887
1430	$self->leave_link ($map, $x, $y);	1888	$self->leave_link ($map, $x, $y);
1431	})->prio (1);	1889	})->prio (1);
1432	}	1890	}
1433		1891
…		…
1437		1895
1438	sub parse_random_map_params {	1896	sub parse_random_map_params {
1439	my ($spec) = @_;	1897	my ($spec) = @_;
1440		1898
1441	my $rmp = { # defaults	1899	my $rmp = { # defaults
1442	xsize => 10,	1900	xsize => (cf::rndm 15, 40),
1443	ysize => 10,	1901	ysize => (cf::rndm 15, 40),
		1902	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1903	#layout => string,
1444	};	1904	};
1445		1905
1446	for (split /\n/, $spec) {	1906	for (split /\n/, $spec) {
1447	my ($k, $v) = split /\s+/, $_, 2;	1907	my ($k, $v) = split /\s+/, $_, 2;
1448		1908
…		…
1452	$rmp	1912	$rmp
1453	}	1913	}
1454		1914
1455	sub prepare_random_map {	1915	sub prepare_random_map {
1456	my ($exit) = @_;	1916	my ($exit) = @_;
		1917
		1918	my $guard = cf::lock_acquire "exit_prepare:$exit";
1457		1919
1458	# all this does is basically replace the /! path by	1920	# all this does is basically replace the /! path by
1459	# a new random map path (?random/...) with a seed	1921	# a new random map path (?random/...) with a seed
1460	# that depends on the exit object	1922	# that depends on the exit object
1461		1923
1462	my $rmp = parse_random_map_params $exit->msg;	1924	my $rmp = parse_random_map_params $exit->msg;
1463		1925
1464	if ($exit->map) {	1926	if ($exit->map) {
1465	$rmp->{region} = $exit->map->region_name;	1927	$rmp->{region} = $exit->region->name;
1466	$rmp->{origin_map} = $exit->map->path;	1928	$rmp->{origin_map} = $exit->map->path;
1467	$rmp->{origin_x} = $exit->x;	1929	$rmp->{origin_x} = $exit->x;
1468	$rmp->{origin_y} = $exit->y;	1930	$rmp->{origin_y} = $exit->y;
1469	}	1931	}
1470		1932
1471	$rmp->{random_seed} ||= $exit->random_seed;	1933	$rmp->{random_seed} ||= $exit->random_seed;
1472		1934
1473	my $data = cf::to_json $rmp;	1935	my $data = cf::to_json $rmp;
1474	my $md5 = Digest::MD5::md5_hex $data;	1936	my $md5 = Digest::MD5::md5_hex $data;
		1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1475		1938
1476	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1477	aio_write $fh, 0, (length $data), $data, 0;	1940	aio_write $fh, 0, (length $data), $data, 0;
		1941	undef $fh;
		1942	aio_rename "$meta~", $meta;
1478		1943
1479	$exit->slaying ("?random/$md5");	1944	$exit->slaying ("?random/$md5");
1480	$exit->msg (undef);	1945	$exit->msg (undef);
1481	}	1946	}
1482	}	1947	}
…		…
1484	sub cf::object::player::enter_exit {	1949	sub cf::object::player::enter_exit {
1485	my ($self, $exit) = @_;	1950	my ($self, $exit) = @_;
1486		1951
1487	return unless $self->type == cf::PLAYER;	1952	return unless $self->type == cf::PLAYER;
1488		1953
		1954	if ($exit->slaying eq "/!") {
		1955	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1956	cf::sync_job { prepare_random_map $exit };
		1957	}
		1958
		1959	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1960	my $hp = $exit->stats->hp;
		1961	my $sp = $exit->stats->sp;
		1962
1489	$self->enter_link;	1963	$self->enter_link;
1490		1964
1491	(Coro::async {	1965	(async {
		1966	$self->deactivate_recursive; # just to be sure
1492	unless (eval {	1967	unless (eval {
1493		1968	$self->goto ($slaying, $hp, $sp);
1494	prepare_random_map $exit
1495	if $exit->slaying eq "/!";
1496
1497	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1498	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1499		1969
1500	1;	1970	1;
1501	}) {	1971	}) {
1502	$self->message ("Something went wrong deep within the crossfire server. "	1972	$self->message ("Something went wrong deep within the crossfire server. "
1503	. "I'll try to bring you back to the map you were before. "	1973	. "I'll try to bring you back to the map you were before. "
1504	. "Please report this to the dungeon master",	1974	. "Please report this to the dungeon master!",
1505	cf::NDI_UNIQUE | cf::NDI_RED);	1975	cf::NDI_UNIQUE | cf::NDI_RED);
1506		1976
1507	warn "ERROR in enter_exit: $@";	1977	warn "ERROR in enter_exit: $@";
1508	$self->leave_link;	1978	$self->leave_link;
1509	}	1979	}
…		…
1560	on_reply => sub {	2030	on_reply => sub {
1561	my ($ns, $msg) = @_;	2031	my ($ns, $msg) = @_;
1562		2032
1563	# this weird shuffling is so that direct followup queries	2033	# this weird shuffling is so that direct followup queries
1564	# get handled first	2034	# get handled first
1565	my $queue = delete $ns->{query_queue};	2035	my $queue = delete $ns->{query_queue}
		2036	or return; # be conservative, not sure how that can happen, but we saw a crash here
1566		2037
1567	(shift @$queue)->[1]->($msg);	2038	(shift @$queue)->[1]->($msg);
		2039	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1568		2040
1569	push @{ $ns->{query_queue} }, @$queue;	2041	push @{ $ns->{query_queue} }, @$queue;
1570		2042
1571	if (@{ $ns->{query_queue} } == @$queue) {	2043	if (@{ $ns->{query_queue} } == @$queue) {
1572	if (@$queue) {	2044	if (@$queue) {
…		…
1576	}	2048	}
1577	}	2049	}
1578	},	2050	},
1579	);	2051	);
1580		2052
1581	=item $client->coro (\&cb)	2053	=item $client->async (\&cb)
1582		2054
1583	Create a new coroutine, running the specified callback. The coroutine will	2055	Create a new coroutine, running the specified callback. The coroutine will
1584	be automatically cancelled when the client gets destroyed (e.g. on logout,	2056	be automatically cancelled when the client gets destroyed (e.g. on logout,
1585	or loss of connection).	2057	or loss of connection).
1586		2058
1587	=cut	2059	=cut
1588		2060
1589	sub cf::client::coro {	2061	sub cf::client::async {
1590	my ($self, $cb) = @_;	2062	my ($self, $cb) = @_;
1591		2063
1592	my $coro; $coro = async {	2064	my $coro = &Coro::async ($cb);
1593	eval {
1594	$cb->();
1595	};
1596	warn $@ if $@;
1597	};
1598		2065
1599	$coro->on_destroy (sub {	2066	$coro->on_destroy (sub {
1600	delete $self->{_coro}{$coro+0};	2067	delete $self->{_coro}{$coro+0};
1601	});	2068	});
1602		2069
…		…
1738	The parameter C<$family> should best start with the name of the extension	2205	The parameter C<$family> should best start with the name of the extension
1739	using it, it should be unique.	2206	using it, it should be unique.
1740		2207
1741	=over 4	2208	=over 4
1742		2209
1743	=item $hashref = cf::db_get $family
1744
1745	Return a hashref for use by the extension C<$family>, which can be
1746	modified. After modifications, you have to call C<cf::db_dirty> or
1747	C<cf::db_sync>.
1748
1749	=item $value = cf::db_get $family => $key	2210	=item $value = cf::db_get $family => $key
1750		2211
1751	Returns a single value from the database	2212	Returns a single value from the database.
1752
1753	=item cf::db_put $family => $hashref
1754
1755	Stores the given family hashref into the database. Updates are delayed, if
1756	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1757		2213
1758	=item cf::db_put $family => $key => $value	2214	=item cf::db_put $family => $key => $value
1759		2215
1760	Stores the given C<$value> in the family hash. Updates are delayed, if you	2216	Stores the given C<$value> in the family.
1761	want the data to be synced to disk immediately, use C<cf::db_sync>.
1762
1763	=item cf::db_dirty
1764
1765	Marks the database as dirty, to be updated at a later time.
1766
1767	=item cf::db_sync
1768
1769	Immediately write the database to disk I<if it is dirty>.
1770		2217
1771	=cut	2218	=cut
1772		2219
1773	our $DB;	2220	our $DB;
1774		2221
1775	{	2222	sub db_init {
		2223	unless ($DB) {
		2224	$DB = BDB::db_create $DB_ENV;
		2225
		2226	cf::sync_job {
		2227	eval {
		2228	$DB->set_flags (BDB::CHKSUM);
		2229
		2230	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2231	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2232	cf::cleanup "db_open(db): $!" if $!;
		2233	};
		2234	cf::cleanup "db_open(db): $@" if $@;
		2235	};
		2236
1776	my $path = cf::localdir . "/database.pst";	2237	my $path = cf::localdir . "/database.pst";
		2238	if (stat $path) {
		2239	cf::sync_job {
		2240	my $pst = Storable::retrieve $path;
1777		2241
1778	sub db_load() {	2242	cf::db_put (board => data => $pst->{board});
1779	warn "loading database $path\n";#d# remove later	2243	cf::db_put (guildrules => data => $pst->{guildrules});
1780	$DB = stat $path ? Storable::retrieve $path : { };	2244	cf::db_put (rent => balance => $pst->{rent}{balance});
1781	}	2245	BDB::db_env_txn_checkpoint $DB_ENV;
1782		2246
1783	my $pid;	2247	unlink $path;
1784
1785	sub db_save() {
1786	warn "saving database $path\n";#d# remove later
1787	waitpid $pid, 0 if $pid;
1788	if (0 == ($pid = fork)) {
1789	$DB->{_meta}{version} = 1;
1790	Storable::nstore $DB, "$path~";
1791	rename "$path~", $path;
1792	cf::_exit 0 if defined $pid;
1793	}	2248	};
1794	}
1795
1796	my $dirty;
1797
1798	sub db_sync() {
1799	db_save if $dirty;
1800	undef $dirty;
1801	}
1802
1803	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1804	db_sync;
1805	});
1806
1807	sub db_dirty() {
1808	$dirty = 1;
1809	$idle->start;
1810	}
1811
1812	sub db_get($;$) {
1813	@_ >= 2
1814	? $DB->{$_[0]}{$_[1]}
1815	: ($DB->{$_[0]} ||= { })
1816	}
1817
1818	sub db_put($$;$) {
1819	if (@_ >= 3) {
1820	$DB->{$_[0]}{$_[1]} = $_[2];
1821	} else {
1822	$DB->{$_[0]} = $_[1];
1823	}
1824	db_dirty;
1825	}
1826
1827	cf::global->attach (
1828	prio => 10000,
1829	on_cleanup => sub {
1830	db_sync;
1831	},	2249	}
1832	);	2250	}
		2251	}
		2252
		2253	sub db_get($$) {
		2254	my $key = "$_[0]/$_[1]";
		2255
		2256	cf::sync_job {
		2257	BDB::db_get $DB, undef, $key, my $data;
		2258
		2259	$! ? ()
		2260	: Compress::LZF::sthaw $data
		2261	}
		2262	}
		2263
		2264	sub db_put($$$) {
		2265	BDB::dbreq_pri 4;
		2266	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1833	}	2267	}
1834		2268
1835	#############################################################################	2269	#############################################################################
1836	# the server's main()	2270	# the server's init and main functions
		2271
		2272	sub load_faces {
		2273	my $path = sprintf "%s/faces", cf::datadir;
		2274
		2275	warn "loading faces from $path\n";
		2276
		2277	my $faces;
		2278	0 < aio_load $path, $faces
		2279	or die "$path: $!";
		2280
		2281	Coro::cede;
		2282	$faces = Storable::thaw $faces;
		2283	Coro::cede;
		2284
		2285	while (my ($face, $info) = each %$faces) {
		2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2289	Coro::cede;
		2290	}
		2291
		2292	1
		2293	}
		2294
		2295	sub reload_resources {
		2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2297	or die "unable to load regions file\n";#d#
		2298	load_faces
		2299	or die "unable to load faces\n";#d#
		2300	}
		2301
		2302	sub init {
		2303	reload_resources;
		2304	}
1837		2305
1838	sub cfg_load {	2306	sub cfg_load {
1839	open my $fh, "<:utf8", cf::confdir . "/config"	2307	open my $fh, "<:utf8", cf::confdir . "/config"
1840	or return;	2308	or return;
1841		2309
1842	local $/;	2310	local $/;
1843	*CFG = YAML::Syck::Load <$fh>;	2311	*CFG = YAML::Syck::Load <$fh>;
		2312
		2313	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2314
		2315	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2316	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2317
		2318	if (exists $CFG{mlockall}) {
		2319	eval {
		2320	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2321	and die "WARNING: m(un)lockall failed: $!\n";
		2322	};
		2323	warn $@ if $@;
		2324	}
1844	}	2325	}
1845		2326
1846	sub main {	2327	sub main {
1847	# we must not ever block the main coroutine	2328	# we must not ever block the main coroutine
1848	local $Coro::idle = sub {	2329	local $Coro::idle = sub {
1849	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2330	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1850	(Coro::unblock_sub {	2331	(async {
1851	Event::one_event;	2332	Event::one_event;
1852	})->();	2333	})->prio (Coro::PRIO_MAX);
1853	};	2334	};
1854		2335
1855	cfg_load;	2336	cfg_load;
1856	db_load;	2337	db_init;
1857	load_extensions;	2338	load_extensions;
		2339
		2340	$TICK_WATCHER->start;
1858	Event::loop;	2341	Event::loop;
1859	}	2342	}
1860		2343
1861	#############################################################################	2344	#############################################################################
1862	# initialisation	2345	# initialisation and cleanup
		2346
		2347	# install some emergency cleanup handlers
		2348	BEGIN {
		2349	for my $signal (qw(INT HUP TERM)) {
		2350	Event->signal (
		2351	reentrant => 0,
		2352	data => WF_AUTOCANCEL,
		2353	signal => $signal,
		2354	prio => 0,
		2355	cb => sub {
		2356	cf::cleanup "SIG$signal";
		2357	},
		2358	);
		2359	}
		2360	}
		2361
		2362	sub emergency_save() {
		2363	my $freeze_guard = cf::freeze_mainloop;
		2364
		2365	warn "enter emergency perl save\n";
		2366
		2367	cf::sync_job {
		2368	# use a peculiar iteration method to avoid tripping on perl
		2369	# refcount bugs in for. also avoids problems with players
		2370	# and maps saved/destroyed asynchronously.
		2371	warn "begin emergency player save\n";
		2372	for my $login (keys %cf::PLAYER) {
		2373	my $pl = $cf::PLAYER{$login} or next;
		2374	$pl->valid or next;
		2375	$pl->save;
		2376	}
		2377	warn "end emergency player save\n";
		2378
		2379	warn "begin emergency map save\n";
		2380	for my $path (keys %cf::MAP) {
		2381	my $map = $cf::MAP{$path} or next;
		2382	$map->valid or next;
		2383	$map->save;
		2384	}
		2385	warn "end emergency map save\n";
		2386
		2387	warn "begin emergency database checkpoint\n";
		2388	BDB::db_env_txn_checkpoint $DB_ENV;
		2389	warn "end emergency database checkpoint\n";
		2390	};
		2391
		2392	warn "leave emergency perl save\n";
		2393	}
		2394
		2395	sub post_cleanup {
		2396	my ($make_core) = @_;
		2397
		2398	warn Carp::longmess "post_cleanup backtrace"
		2399	if $make_core;
		2400	}
1863		2401
1864	sub reload() {	2402	sub reload() {
1865	# can/must only be called in main	2403	# can/must only be called in main
1866	if ($Coro::current != $Coro::main) {	2404	if ($Coro::current != $Coro::main) {
1867	warn "can only reload from main coroutine\n";	2405	warn "can only reload from main coroutine";
1868	return;	2406	return;
1869	}	2407	}
1870		2408
1871	warn "reloading...";	2409	warn "reloading...";
1872		2410
1873	local $FREEZE = 1;	2411	warn "entering sync_job";
		2412
		2413	cf::sync_job {
		2414	cf::write_runtime; # external watchdog should not bark
1874	cf::emergency_save;	2415	cf::emergency_save;
		2416	cf::write_runtime; # external watchdog should not bark
1875		2417
1876	eval {	2418	warn "syncing database to disk";
		2419	BDB::db_env_txn_checkpoint $DB_ENV;
		2420
1877	# if anything goes wrong in here, we should simply crash as we already saved	2421	# if anything goes wrong in here, we should simply crash as we already saved
1878		2422
1879	# cancel all watchers	2423	warn "cancelling all WF_AUTOCANCEL watchers";
1880	for (Event::all_watchers) {	2424	for (Event::all_watchers) {
1881	$_->cancel if $_->data & WF_AUTOCANCEL;	2425	$_->cancel if $_->data & WF_AUTOCANCEL;
1882	}	2426	}
1883		2427
		2428	warn "flushing outstanding aio requests";
		2429	for (;;) {
		2430	BDB::flush;
		2431	IO::AIO::flush;
		2432	Coro::cede;
		2433	last unless IO::AIO::nreqs || BDB::nreqs;
		2434	warn "iterate...";
		2435	}
		2436
		2437	++$RELOAD;
		2438
1884	# cancel all extension coros	2439	warn "cancelling all extension coros";
1885	$_->cancel for values %EXT_CORO;	2440	$_->cancel for values %EXT_CORO;
1886	%EXT_CORO = ();	2441	%EXT_CORO = ();
1887		2442
1888	# unload all extensions	2443	warn "removing commands";
1889	for (@exts) {	2444	%COMMAND = ();
		2445
		2446	warn "removing ext commands";
		2447	%EXTCMD = ();
		2448
		2449	warn "unloading/nuking all extensions";
		2450	for my $pkg (@EXTS) {
1890	warn "unloading <$_>";	2451	warn "... unloading $pkg";
1891	unload_extension $_;	2452
		2453	if (my $cb = $pkg->can ("unload")) {
		2454	eval {
		2455	$cb->($pkg);
		2456	1
		2457	} or warn "$pkg unloaded, but with errors: $@";
1892	}	2458	}
1893		2459
		2460	warn "... nuking $pkg";
		2461	Symbol::delete_package $pkg;
		2462	}
		2463
1894	# unload all modules loaded from $LIBDIR	2464	warn "unloading all perl modules loaded from $LIBDIR";
1895	while (my ($k, $v) = each %INC) {	2465	while (my ($k, $v) = each %INC) {
1896	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2466	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1897		2467
1898	warn "removing <$k>";	2468	warn "... unloading $k";
1899	delete $INC{$k};	2469	delete $INC{$k};
1900		2470
1901	$k =~ s/\.pm$//;	2471	$k =~ s/\.pm$//;
1902	$k =~ s/\//::/g;	2472	$k =~ s/\//::/g;
1903		2473
…		…
1906	}	2476	}
1907		2477
1908	Symbol::delete_package $k;	2478	Symbol::delete_package $k;
1909	}	2479	}
1910		2480
1911	# sync database to disk
1912	cf::db_sync;
1913	IO::AIO::flush;
1914
1915	# get rid of safe::, as good as possible	2481	warn "getting rid of safe::, as good as possible";
1916	Symbol::delete_package "safe::$_"	2482	Symbol::delete_package "safe::$_"
1917	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2483	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1918		2484
1919	# remove register_script_function callbacks
1920	# TODO
1921
1922	# unload cf.pm "a bit"	2485	warn "unloading cf.pm \"a bit\"";
1923	delete $INC{"cf.pm"};	2486	delete $INC{"cf.pm"};
1924		2487
1925	# don't, removes xs symbols, too,	2488	# don't, removes xs symbols, too,
1926	# and global variables created in xs	2489	# and global variables created in xs
1927	#Symbol::delete_package __PACKAGE__;	2490	#Symbol::delete_package __PACKAGE__;
1928		2491
1929	# reload cf.pm	2492	warn "unload completed, starting to reload now";
		2493
1930	warn "reloading cf.pm";	2494	warn "reloading cf.pm";
1931	require cf;	2495	require cf;
1932	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2496	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1933		2497
1934	# load config and database again	2498	warn "loading config and database again";
1935	cf::cfg_load;	2499	cf::cfg_load;
1936	cf::db_load;
1937		2500
1938	# load extensions
1939	warn "load extensions";	2501	warn "loading extensions";
1940	cf::load_extensions;	2502	cf::load_extensions;
1941		2503
1942	# reattach attachments to objects	2504	warn "reattaching attachments to objects/players";
1943	warn "reattach";	2505	_global_reattach; # objects, sockets
1944	_global_reattach;	2506	warn "reattaching attachments to maps";
1945	};	2507	reattach $_ for values %MAP;
		2508	warn "reattaching attachments to players";
		2509	reattach $_ for values %PLAYER;
1946		2510
1947	if ($@) {	2511	warn "loading reloadable resources";
		2512	reload_resources;
		2513
		2514	warn "leaving sync_job";
		2515
		2516	1
		2517	} or do {
1948	warn $@;	2518	warn $@;
1949	warn "error while reloading, exiting.";	2519	warn "error while reloading, exiting.";
1950	exit 1;	2520	exit 1;
1951	}	2521	};
1952		2522
1953	warn "reloaded successfully";	2523	warn "reloaded";
1954	};	2524	};
1955		2525
1956	#############################################################################	2526	our $RELOAD_WATCHER; # used only during reload
1957
1958	unless ($LINK_MAP) {
1959	$LINK_MAP = cf::map::new;
1960
1961	$LINK_MAP->width (41);
1962	$LINK_MAP->height (41);
1963	$LINK_MAP->alloc;
1964	$LINK_MAP->path ("{link}");
1965	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1966	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1967
1968	# dirty hack because... archetypes are not yet loaded
1969	Event->timer (
1970	after => 2,
1971	cb => sub {
1972	$_[0]->w->cancel;
1973
1974	# provide some exits "home"
1975	my $exit = cf::object::new "exit";
1976
1977	$exit->slaying ($EMERGENCY_POSITION->[0]);
1978	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
1979	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
1980
1981	$LINK_MAP->insert ($exit->clone, 19, 19);
1982	$LINK_MAP->insert ($exit->clone, 19, 20);
1983	$LINK_MAP->insert ($exit->clone, 19, 21);
1984	$LINK_MAP->insert ($exit->clone, 20, 19);
1985	$LINK_MAP->insert ($exit->clone, 20, 21);
1986	$LINK_MAP->insert ($exit->clone, 21, 19);
1987	$LINK_MAP->insert ($exit->clone, 21, 20);
1988	$LINK_MAP->insert ($exit->clone, 21, 21);
1989
1990	$exit->destroy;
1991	});
1992
1993	$LINK_MAP->{deny_save} = 1;
1994	$LINK_MAP->{deny_reset} = 1;
1995
1996	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1997	}
1998
1999	register "<global>", __PACKAGE__;
2000		2527
2001	register_command "reload" => sub {	2528	register_command "reload" => sub {
2002	my ($who, $arg) = @_;	2529	my ($who, $arg) = @_;
2003		2530
2004	if ($who->flag (FLAG_WIZ)) {	2531	if ($who->flag (FLAG_WIZ)) {
2005	$who->message ("start of reload.");	2532	$who->message ("reloading server.");
		2533
		2534	# doing reload synchronously and two reloads happen back-to-back,
		2535	# coro crashes during coro_state_free->destroy here.
		2536
		2537	$RELOAD_WATCHER ||= Event->timer (
		2538	reentrant => 0,
		2539	after => 0,
		2540	data => WF_AUTOCANCEL,
		2541	cb => sub {
2006	reload;	2542	reload;
2007	$who->message ("end of reload.");	2543	undef $RELOAD_WATCHER;
		2544	},
		2545	);
2008	}	2546	}
2009	};	2547	};
2010		2548
2011	unshift @INC, $LIBDIR;	2549	unshift @INC, $LIBDIR;
		2550
		2551	my $bug_warning = 0;
2012		2552
2013	$TICK_WATCHER = Event->timer (	2553	$TICK_WATCHER = Event->timer (
2014	reentrant => 0,	2554	reentrant => 0,
		2555	parked => 1,
2015	prio => 0,	2556	prio => 0,
2016	at => $NEXT_TICK || $TICK,	2557	at => $NEXT_TICK || $TICK,
2017	data => WF_AUTOCANCEL,	2558	data => WF_AUTOCANCEL,
2018	cb => sub {	2559	cb => sub {
2019	unless ($FREEZE) {	2560	if ($Coro::current != $Coro::main) {
		2561	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2562	unless ++$bug_warning > 10;
		2563	return;
		2564	}
		2565
		2566	$NOW = Event::time;
		2567
2020	cf::server_tick; # one server iteration	2568	cf::server_tick; # one server iteration
2021	$RUNTIME += $TICK;	2569	$RUNTIME += $TICK;
2022	}
2023
2024	$NEXT_TICK += $TICK;	2570	$NEXT_TICK += $TICK;
		2571
		2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2573	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2574	Coro::async_pool {
		2575	write_runtime
		2576	or warn "ERROR: unable to write runtime file: $!";
		2577	};
		2578	}
		2579
		2580	$WAIT_FOR_TICK->broadcast;
		2581	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2582
		2583	# my $AFTER = Event::time;
		2584	# warn $AFTER - $NOW;#d#
2025		2585
2026	# if we are delayed by four ticks or more, skip them all	2586	# if we are delayed by four ticks or more, skip them all
2027	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2028		2588
2029	$TICK_WATCHER->at ($NEXT_TICK);	2589	$TICK_WATCHER->at ($NEXT_TICK);
2030	$TICK_WATCHER->start;	2590	$TICK_WATCHER->start;
2031	},	2591	},
2032	);	2592	);
2033		2593
		2594	{
2034	IO::AIO::max_poll_time $TICK * 0.2;	2595	BDB::max_poll_time $TICK * 0.1;
2035		2596	$BDB_POLL_WATCHER = Event->io (
2036	Event->io (	2597	reentrant => 0,
2037	fd => IO::AIO::poll_fileno,	2598	fd => BDB::poll_fileno,
2038	poll => 'r',	2599	poll => 'r',
2039	prio => 5,	2600	prio => 0,
2040	data => WF_AUTOCANCEL,
2041	cb => \&IO::AIO::poll_cb,
2042	);
2043
2044	Event->timer (
2045	data => WF_AUTOCANCEL,	2601	data => WF_AUTOCANCEL,
2046	after => 0,	2602	cb => \&BDB::poll_cb,
2047	interval => 10,	2603	);
2048	cb => sub {	2604	BDB::min_parallel 8;
2049	(Coro::unblock_sub {	2605
2050	write_runtime	2606	BDB::set_sync_prepare {
2051	or warn "ERROR: unable to write runtime file: $!";	2607	my $status;
		2608	my $current = $Coro::current;
		2609	(
		2610	sub {
		2611	$status = $!;
		2612	$current->ready; undef $current;
		2613	},
		2614	sub {
		2615	Coro::schedule while defined $current;
		2616	$! = $status;
		2617	},
		2618	)
		2619	};
		2620
		2621	unless ($DB_ENV) {
		2622	$DB_ENV = BDB::db_env_create;
		2623
		2624	cf::sync_job {
		2625	eval {
		2626	BDB::db_env_open
		2627	$DB_ENV,
		2628	$BDB_ENV_DIR,
		2629	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2631	0666;
		2632
		2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2634
		2635	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2636	$DB_ENV->set_lk_detect;
		2637	};
		2638
		2639	cf::cleanup "db_env_open(db): $@" if $@;
2052	})->();	2640	};
2053	},	2641	}
2054	);	2642	}
		2643
		2644	{
		2645	IO::AIO::min_parallel 8;
		2646
		2647	undef $Coro::AIO::WATCHER;
		2648	IO::AIO::max_poll_time $TICK * 0.1;
		2649	$AIO_POLL_WATCHER = Event->io (
		2650	reentrant => 0,
		2651	data => WF_AUTOCANCEL,
		2652	fd => IO::AIO::poll_fileno,
		2653	poll => 'r',
		2654	prio => 6,
		2655	cb => \&IO::AIO::poll_cb,
		2656	);
		2657	}
		2658
		2659	END { cf::emergency_save }
2055		2660
2056	1	2661	1
2057		2662

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