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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.115 by root, Mon Jan 1 16:50:10 2007 UTC vs.
Revision 1.224 by root, Mon Mar 12 21:42:12 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 ();	26	use IO::AIO 2.32 ();
23	use YAML::Syck ();	27	use YAML::Syck ();
24	use Time::HiRes;	28	use Time::HiRes;
		29	use Compress::LZF;
25		30
		31	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		32	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	33	$Event::Eval = 1; # no idea why this is required, but it is
		34
		35	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
27		36
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	37	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	38	$YAML::Syck::ImplicitUnicode = 1;
30		39
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	40	$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		41
35	our %COMMAND = ();	42	our %COMMAND = ();
36	our %COMMAND_TIME = ();	43	our %COMMAND_TIME = ();
		44
		45	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	46	our %EXTCMD = ();
		47	our %EXT_CORO = (); # coroutines bound to extensions
		48	our %EXT_MAP = (); # pluggable maps
38		49
		50	our $RELOAD; # number of reloads so far
39	our @EVENT;	51	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	52	our $LIBDIR = datadir . "/ext";
41		53
42	our $TICK = MAX_TIME * 1e-6;	54	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	55	our $TICK_WATCHER;
		56	our $AIO_POLL_WATCHER;
		57	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	58	our $NEXT_TICK;
45	our $NOW;	59	our $NOW;
		60	our $USE_FSYNC = 1; # use fsync to write maps - default off
		61
		62	our $BDB_POLL_WATCHER;
		63	our $DB_ENV;
46		64
47	our %CFG;	65	our %CFG;
48		66
49	our $UPTIME; $UPTIME ||= time;	67	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	68	our $RUNTIME;
51		69
		70	our %PLAYER; # all users
52	our %MAP; # all maps	71	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	72	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	73	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	74	our $BDB_ENV_DIR = cf::localdir . "/db";
		75
		76	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		77	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		78
		79	# used to convert map paths into valid unix filenames by replacing / by ∕
		80	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		81
58	binmode STDOUT;	82	binmode STDOUT;
59	binmode STDERR;	83	binmode STDERR;
60		84
61	# read virtual server time, if available	85	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	92	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	93	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	94	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	95	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	96	mkdir $RANDOM_MAPS;
		97	mkdir $BDB_ENV_DIR;
73		98
74	# a special map that is always available	99	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		100
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	101	sub cf::map::normalise;
78		102
79	#############################################################################	103	#############################################################################
80		104
81	=head2 GLOBAL VARIABLES	105	=head2 GLOBAL VARIABLES
82		106
…		…
106		130
107	=item %cf::CFG	131	=item %cf::CFG
108		132
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	133	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	134	from wherever your confdir points to.
		135
		136	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		137
		138	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		139	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		140	processing has been done. Call C<< ->wait >> on them to maximise the
		141	window of cpu time available, or simply to synchronise to the server tick.
111		142
112	=back	143	=back
113		144
114	=cut	145	=cut
115		146
…		…
119	utf8::encode $msg;	150	utf8::encode $msg;
120		151
121	$msg .= "\n"	152	$msg .= "\n"
122	unless $msg =~ /\n$/;	153	unless $msg =~ /\n$/;
123		154
124	LOG llevError, "cfperl: $msg";	155	LOG llevError, $msg;
125	};	156	};
126	}	157	}
127		158
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	159	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	160	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		178
148	$Event::DIED = sub {	179	$Event::DIED = sub {
149	warn "error in event callback: @_";	180	warn "error in event callback: @_";
150	};	181	};
151		182
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	183	=head2 UTILITY FUNCTIONS
157		184
158	=over 4	185	=over 4
159		186
		187	=item dumpval $ref
		188
160	=cut	189	=cut
		190
		191	sub dumpval {
		192	eval {
		193	local $SIG{__DIE__};
		194	my $d;
		195	if (1) {
		196	$d = new Data::Dumper([$_[0]], ["*var"]);
		197	$d->Terse(1);
		198	$d->Indent(2);
		199	$d->Quotekeys(0);
		200	$d->Useqq(1);
		201	#$d->Bless(...);
		202	$d->Seen($_[1]) if @_ > 1;
		203	$d = $d->Dump();
		204	}
		205	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		206	$d
		207	} || "[unable to dump $_[0]: '$@']";
		208	}
161		209
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	210	use JSON::Syck (); # TODO# replace by JSON::PC once working
163		211
164	=item $ref = cf::from_json $json	212	=item $ref = cf::from_json $json
165		213
…		…
180		228
181	sub to_json($) {	229	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	230	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	231	JSON::Syck::Dump $_[0]
184	}	232	}
		233
		234	=item cf::lock_wait $string
		235
		236	Wait until the given lock is available. See cf::lock_acquire.
		237
		238	=item my $lock = cf::lock_acquire $string
		239
		240	Wait until the given lock is available and then acquires it and returns
		241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		242	for example when the coroutine gets canceled), the lock is automatically
		243	returned.
		244
		245	Lock names should begin with a unique identifier (for example, cf::map::find
		246	uses map_find and cf::map::load uses map_load).
		247
		248	=cut
		249
		250	our %LOCK;
		251
		252	sub lock_wait($) {
		253	my ($key) = @_;
		254
		255	# wait for lock, if any
		256	while ($LOCK{$key}) {
		257	push @{ $LOCK{$key} }, $Coro::current;
		258	Coro::schedule;
		259	}
		260	}
		261
		262	sub lock_acquire($) {
		263	my ($key) = @_;
		264
		265	# wait, to be sure we are not locked
		266	lock_wait $key;
		267
		268	$LOCK{$key} = [];
		269
		270	Coro::guard {
		271	# wake up all waiters, to be on the safe side
		272	$_->ready for @{ delete $LOCK{$key} };
		273	}
		274	}
		275
		276	sub freeze_mainloop {
		277	return unless $TICK_WATCHER->is_active;
		278
		279	my $guard = Coro::guard {
		280	$TICK_WATCHER->start;
		281	};
		282	$TICK_WATCHER->stop;
		283	$guard
		284	}
		285
		286	=item cf::async { BLOCK }
		287
		288	Currently the same as Coro::async_pool, meaning you cannot use
		289	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		290	thing you are allowed to do is call C<prio> on it.
		291
		292	=cut
		293
		294	BEGIN { *async = \&Coro::async_pool }
185		295
186	=item cf::sync_job { BLOCK }	296	=item cf::sync_job { BLOCK }
187		297
188	The design of crossfire+ requires that the main coro ($Coro::main) is	298	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	299	always able to handle events or runnable, as crossfire+ is only partly
…		…
203	# this is the main coro, too bad, we have to block	313	# this is the main coro, too bad, we have to block
204	# till the operation succeeds, freezing the server :/	314	# till the operation succeeds, freezing the server :/
205		315
206	# TODO: use suspend/resume instead	316	# TODO: use suspend/resume instead
207	# (but this is cancel-safe)	317	# (but this is cancel-safe)
208	local $FREEZE = 1;	318	my $freeze_guard = freeze_mainloop;
209		319
210	my $busy = 1;	320	my $busy = 1;
211	my @res;	321	my @res;
212		322
213	(Coro::async {	323	(async {
214	@res = eval { $job->() };	324	@res = eval { $job->() };
215	warn $@ if $@;	325	warn $@ if $@;
216	undef $busy;	326	undef $busy;
217	})->prio (Coro::PRIO_MAX);	327	})->prio (Coro::PRIO_MAX);
218		328
219	while ($busy) {	329	while ($busy) {
220	Coro::cede_notself;	330	Coro::cede or Event::one_event;
221	Event::one_event unless Coro::nready;
222	}	331	}
223		332
224	wantarray ? @res : $res[0]	333	wantarray ? @res : $res[0]
225	} else {	334	} else {
226	# we are in another coroutine, how wonderful, everything just works	335	# we are in another coroutine, how wonderful, everything just works
227		336
228	$job->()	337	$job->()
229	}	338	}
230	}	339	}
231		340
232	=item $coro = cf::coro { BLOCK }	341	=item $coro = cf::async_ext { BLOCK }
233		342
234	Creates and returns a new coro. This coro is automcatially being canceled	343	Like async, but this coro is automatically being canceled when the
235	when the extension calling this is being unloaded.	344	extension calling this is being unloaded.
236		345
237	=cut	346	=cut
238		347
239	sub coro(&) {	348	sub async_ext(&) {
240	my $cb = shift;	349	my $cb = shift;
241		350
242	my $coro; $coro = async {	351	my $coro = &Coro::async ($cb);
243	eval {
244	$cb->();
245	};
246	warn $@ if $@;
247	};
248		352
249	$coro->on_destroy (sub {	353	$coro->on_destroy (sub {
250	delete $EXT_CORO{$coro+0};	354	delete $EXT_CORO{$coro+0};
251	});	355	});
252	$EXT_CORO{$coro+0} = $coro;	356	$EXT_CORO{$coro+0} = $coro;
253		357
254	$coro	358	$coro
255	}	359	}
256		360
257	sub write_runtime {	361	sub write_runtime {
		362	my $guard = cf::lock_acquire "write_runtime";
		363
258	my $runtime = cf::localdir . "/runtime";	364	my $runtime = cf::localdir . "/runtime";
259		365
260	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	366	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
261	or return;	367	or return;
262		368
		369	my $value = $cf::RUNTIME + 90 + 10;
263	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	370	# 10 is the runtime save interval, for a monotonic clock
		371	# 60 allows for the watchdog to kill the server.
		372
264	(aio_write $fh, 0, (length $value), $value, 0) <= 0	373	(aio_write $fh, 0, (length $value), $value, 0) <= 0
265	and return;	374	and return;
266		375
		376	# always fsync - this file is important
267	aio_fsync $fh	377	aio_fsync $fh
268	and return;	378	and return;
269		379
270	close $fh	380	close $fh
271	or return;	381	or return;
…		…
277	}	387	}
278		388
279	=back	389	=back
280		390
281	=cut	391	=cut
282
283	#############################################################################
284
285	package cf::path;
286
287	sub new {
288	my ($class, $path, $base) = @_;
289
290	$path = $path->as_string if ref $path;
291
292	my $self = bless { }, $class;
293
294	# {... are special paths that are not touched
295	# ?xxx/... are special absolute paths
296	# ?random/... random maps
297	# /! non-realised random map exit
298	# /... normal maps
299	# ~/... per-player maps without a specific player (DO NOT USE)
300	# ~user/... per-player map of a specific user
301
302	if ($path =~ /^{/) {
303	# fine as it is
304	} elsif ($path =~ s{^\?random/}{}) {
305	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
306	$self->{random} = cf::from_json $data;
307	} else {
308	if ($path =~ s{^~([^/]+)?}{}) {
309	$self->{user_rel} = 1;
310
311	if (defined $1) {
312	$self->{user} = $1;
313	} elsif ($base =~ m{^~([^/]+)/}) {
314	$self->{user} = $1;
315	} else {
316	warn "cannot resolve user-relative path without user <$path,$base>\n";
317	}
318	} elsif ($path =~ /^\//) {
319	# already absolute
320	} else {
321	$base =~ s{[^/]+/?$}{};
322	return $class->new ("$base/$path");
323	}
324
325	for ($path) {
326	redo if s{/\.?/}{/};
327	redo if s{/[^/]+/\.\./}{/};
328	}
329	}
330
331	$self->{path} = $path;
332
333	$self
334	}
335
336	# the name / primary key / in-game path
337	sub as_string {
338	my ($self) = @_;
339
340	$self->{user_rel} ? "~$self->{user}$self->{path}"
341	: $self->{random} ? "?random/$self->{path}"
342	: $self->{path}
343	}
344
345	# the displayed name, this is a one way mapping
346	sub visible_name {
347	my ($self) = @_;
348
349	# if (my $rmp = $self->{random}) {
350	# # todo: be more intelligent about this
351	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
352	# } else {
353	$self->as_string
354	# }
355	}
356
357	# escape the /'s in the path
358	sub _escaped_path {
359	# ∕ is U+2215
360	(my $path = $_[0]{path}) =~ s/\//∕/g;
361	$path
362	}
363
364	# the original (read-only) location
365	sub load_path {
366	my ($self) = @_;
367
368	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
369	}
370
371	# the temporary/swap location
372	sub save_path {
373	my ($self) = @_;
374
375	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
376	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
377	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
378	}
379
380	# the unique path, might be eq to save_path
381	sub uniq_path {
382	my ($self) = @_;
383
384	$self->{user_rel} || $self->{random}
385	? undef
386	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
387	}
388
389	# return random map parameters, or undef
390	sub random_map_params {
391	my ($self) = @_;
392
393	$self->{random}
394	}
395
396	# this is somewhat ugly, but style maps do need special treatment
397	sub is_style_map {
398	$_[0]{path} =~ m{^/styles/}
399	}
400
401	package cf;
402		392
403	#############################################################################	393	#############################################################################
404		394
405	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
406		396
…		…
532	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
533	our @CB_MAP = ();	523	our @CB_MAP = ();
534		524
535	my %attachment;	525	my %attachment;
536		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
537	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
538	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
539		535
540	use sort 'stable';	536	use sort 'stable';
541		537
…		…
712	# object support	708	# object support
713		709
714	sub reattach {	710	sub reattach {
715	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
716	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		715
718	my $registry = $obj->registry;	716	my $registry = $obj->registry;
719		717
720	@$registry = ();	718	@$registry = ();
721		719
…		…
768	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
769		767
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	772	close $fh;
775		773
776	if (@$objs) {	774	if (@$objs) {
777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
778	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
782	close $fh;	780	close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
784	}	782	}
785	} else {	783	} else {
786	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
817	(aio_load "$filename.pst", $av) >= 0	815	(aio_load "$filename.pst", $av) >= 0
818	or return;	816	or return;
819	$av = eval { (Storable::thaw $av)->{objs} };	817	$av = eval { (Storable::thaw $av)->{objs} };
820	}	818	}
821		819
		820	warn sprintf "loading %s (%d)\n",
		821	$filename, length $data, scalar @{$av || []};#d#
822	return ($data, $av);	822	return ($data, $av);
823	}	823	}
824		824
825	#############################################################################	825	#############################################################################
826	# command handling &c	826	# command handling &c
…		…
851	=cut	851	=cut
852		852
853	sub register_extcmd {	853	sub register_extcmd {
854	my ($name, $cb) = @_;	854	my ($name, $cb) = @_;
855		855
856	my $caller = caller;
857	#warn "registering extcmd '$name' to '$caller'";
858
859	$EXTCMD{$name} = [$cb, $caller];	856	$EXTCMD{$name} = $cb;
860	}	857	}
861		858
862	cf::player->attach (	859	cf::player->attach (
863	on_command => sub {	860	on_command => sub {
864	my ($pl, $name, $params) = @_;	861	my ($pl, $name, $params) = @_;
…		…
877		874
878	my $msg = eval { from_json $buf };	875	my $msg = eval { from_json $buf };
879		876
880	if (ref $msg) {	877	if (ref $msg) {
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
882	if (my %reply = $cb->[0]->($pl, $msg)) {	879	if (my %reply = $cb->($pl, $msg)) {
883	$pl->ext_reply ($msg->{msgid}, %reply);	880	$pl->ext_reply ($msg->{msgid}, %reply);
884	}	881	}
885	}	882	}
886	} else {	883	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
889		886
890	cf::override;	887	cf::override;
891	},	888	},
892	);	889	);
893		890
894	sub register {
895	my ($base, $pkg) = @_;
896
897	#TODO
898	}
899
900	sub load_extension {	891	sub load_extension {
901	my ($path) = @_;	892	my ($path) = @_;
902		893
903	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
904	my $base = $1;	895	my $base = $1;
905	my $pkg = $1;	896	my $pkg = $1;
906	$pkg =~ s/[^[:word:]]/_/g;	897	$pkg =~ s/[^[:word:]]/_/g;
907	$pkg = "ext::$pkg";	898	$pkg = "ext::$pkg";
908		899
909	warn "loading '$path' into '$pkg'\n";	900	warn "... loading '$path' into '$pkg'\n";
910		901
911	open my $fh, "<:utf8", $path	902	open my $fh, "<:utf8", $path
912	or die "$path: $!";	903	or die "$path: $!";
913		904
914	my $source =	905	my $source =
915	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
916	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
917	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
918	. "\n};\n1";	909	. "\n};\n1";
919		910
920	eval $source	911	unless (eval $source) {
921	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
922	: "extension disabled.\n";	913	: "extension disabled.\n";
923		914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
924	push @exts, $pkg;	915	warn $@;
925	$ext_pkg{$base} = $pkg;	916	warn "mandatory extension failed to load, exiting.\n";
926		917	exit 1;
927	# no strict 'refs';	918	}
928	# @{"$pkg\::ISA"} = ext::;	919	die $@;
929
930	register $base, $pkg;
931	}
932
933	sub unload_extension {
934	my ($pkg) = @_;
935
936	warn "removing extension $pkg\n";
937
938	# remove hooks
939	#TODO
940	# for my $idx (0 .. $#PLUGIN_EVENT) {
941	# delete $hook[$idx]{$pkg};
942	# }	920	}
943		921
944	# remove commands	922	push @EXTS, $pkg;
945	for my $name (keys %COMMAND) {
946	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
947
948	if (@cb) {
949	$COMMAND{$name} = \@cb;
950	} else {
951	delete $COMMAND{$name};
952	}
953	}
954
955	# remove extcmds
956	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
957	delete $EXTCMD{$name};
958	}
959
960	if (my $cb = $pkg->can ("unload")) {
961	eval {
962	$cb->($pkg);
963	1
964	} or warn "$pkg unloaded, but with errors: $@";
965	}
966
967	Symbol::delete_package $pkg;
968	}	923	}
969		924
970	sub load_extensions {	925	sub load_extensions {
971	for my $ext (<$LIBDIR/*.ext>) {	926	for my $ext (<$LIBDIR/*.ext>) {
972	next unless -r $ext;	927	next unless -r $ext;
…		…
976	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
977	}	932	}
978	}	933	}
979		934
980	#############################################################################	935	#############################################################################
981	# load/save/clean perl data associated with a map
982
983	*cf::mapsupport::on_clean = sub {
984	my ($map) = @_;
985
986	my $path = $map->tmpname;
987	defined $path or return;
988
989	unlink "$path.pst";
990	};
991
992	cf::map->attach (prio => -10000, package => cf::mapsupport::);
993
994	#############################################################################
995	# load/save perl data associated with player->ob objects
996
997	sub all_objects(@) {
998	@_, map all_objects ($_->inv), @_
999	}
1000
1001	# TODO: compatibility cruft, remove when no longer needed
1002	cf::player->attach (
1003	on_load => sub {
1004	my ($pl, $path) = @_;
1005
1006	for my $o (all_objects $pl->ob) {
1007	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1008	$o->set_ob_key_value ("_perl_data");
1009
1010	%$o = %{ Storable::thaw pack "H*", $value };
1011	}
1012	}
1013	},
1014	);
1015
1016	#############################################################################
1017		936
1018	=head2 CORE EXTENSIONS	937	=head2 CORE EXTENSIONS
1019		938
1020	Functions and methods that extend core crossfire objects.	939	Functions and methods that extend core crossfire objects.
1021		940
		941	=cut
		942
		943	package cf::player;
		944
		945	use Coro::AIO;
		946
1022	=head3 cf::player	947	=head3 cf::player
1023		948
1024	=over 4	949	=over 4
1025		950
1026	=item cf::player::exists $login	951	=item cf::player::find $login
1027		952
1028	Returns true when the given account exists.	953	Returns the given player object, loading it if necessary (might block).
1029		954
1030	=cut	955	=cut
1031		956
1032	sub cf::player::exists($) {	957	sub playerdir($) {
1033	cf::player::find $_[0]	958	cf::localdir
1034	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	959	. "/"
		960	. cf::playerdir
		961	. "/"
		962	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		963	}
		964
		965	sub path($) {
		966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		967
		968	(playerdir $login) . "/$login.pl"
		969	}
		970
		971	sub find_active($) {
		972	$cf::PLAYER{$_[0]}
		973	and $cf::PLAYER{$_[0]}->active
		974	and $cf::PLAYER{$_[0]}
		975	}
		976
		977	sub exists($) {
		978	my ($login) = @_;
		979
		980	$cf::PLAYER{$login}
		981	or cf::sync_job { !aio_stat path $login }
		982	}
		983
		984	sub find($) {
		985	return $cf::PLAYER{$_[0]} || do {
		986	my $login = $_[0];
		987
		988	my $guard = cf::lock_acquire "user_find:$login";
		989
		990	$cf::PLAYER{$_[0]} || do {
		991	my $pl = load_pl path $login
		992	or return;
		993	$cf::PLAYER{$login} = $pl
		994	}
		995	}
		996	}
		997
		998	sub save($) {
		999	my ($pl) = @_;
		1000
		1001	return if $pl->{deny_save};
		1002
		1003	my $path = path $pl;
		1004	my $guard = cf::lock_acquire "user_save:$path";
		1005
		1006	return if $pl->{deny_save};
		1007
		1008	aio_mkdir playerdir $pl, 0770;
		1009	$pl->{last_save} = $cf::RUNTIME;
		1010
		1011	$pl->save_pl ($path);
		1012	Coro::cede;
		1013	}
		1014
		1015	sub new($) {
		1016	my ($login) = @_;
		1017
		1018	my $self = create;
		1019
		1020	$self->ob->name ($login);
		1021	$self->{deny_save} = 1;
		1022
		1023	$cf::PLAYER{$login} = $self;
		1024
		1025	$self
		1026	}
		1027
		1028	=item $pl->quit_character
		1029
		1030	Nukes the player without looking back. If logged in, the connection will
		1031	be destroyed. May block for a long time.
		1032
		1033	=cut
		1034
		1035	sub quit_character {
		1036	my ($pl) = @_;
		1037
		1038	my $name = $pl->ob->name;
		1039
		1040	$pl->{deny_save} = 1;
		1041	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1042
		1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1044	$pl->deactivate;
		1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1046	$pl->ns->destroy if $pl->ns;
		1047
		1048	my $path = playerdir $pl;
		1049	my $temp = "$path~$cf::RUNTIME~deleting~";
		1050	aio_rename $path, $temp;
		1051	delete $cf::PLAYER{$pl->ob->name};
		1052	$pl->destroy;
		1053
		1054	my $prefix = qr<^~\Q$name\E/>;
		1055
		1056	# nuke player maps
		1057	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1058
		1059	IO::AIO::aio_rmtree $temp;
		1060	}
		1061
		1062	=item $pl->kick
		1063
		1064	Kicks a player out of the game. This destroys the connection.
		1065
		1066	=cut
		1067
		1068	sub kick {
		1069	my ($pl, $kicker) = @_;
		1070
		1071	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1072	$pl->killer ("kicked");
		1073	$pl->ns->destroy;
		1074	}
		1075
		1076	=item cf::player::list_logins
		1077
		1078	Returns am arrayref of all valid playernames in the system, can take a
		1079	while and may block, so not sync_job-capable, ever.
		1080
		1081	=cut
		1082
		1083	sub list_logins {
		1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1085	or return [];
		1086
		1087	my @logins;
		1088
		1089	for my $login (@$dirs) {
		1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1091	aio_read $fh, 0, 512, my $buf, 0 or next;
		1092	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1093
		1094	utf8::decode $login;
		1095	push @logins, $login;
		1096	}
		1097
		1098	\@logins
		1099	}
		1100
		1101	=item $player->maps
		1102
		1103	Returns an arrayref of map paths that are private for this
		1104	player. May block.
		1105
		1106	=cut
		1107
		1108	sub maps($) {
		1109	my ($pl) = @_;
		1110
		1111	$pl = ref $pl ? $pl->ob->name : $pl;
		1112
		1113	my $files = aio_readdir playerdir $pl
		1114	or return;
		1115
		1116	my @paths;
		1117
		1118	for (@$files) {
		1119	utf8::decode $_;
		1120	next if /\.(?:pl|pst)$/;
		1121	next unless /^$PATH_SEP/o;
		1122
		1123	push @paths, cf::map::normalise "~$pl/$_";
		1124	}
		1125
		1126	\@paths
1035	}	1127	}
1036		1128
1037	=item $player->ext_reply ($msgid, $msgtype, %msg)	1129	=item $player->ext_reply ($msgid, $msgtype, %msg)
1038		1130
1039	Sends an ext reply to the player.	1131	Sends an ext reply to the player.
1040		1132
1041	=cut	1133	=cut
1042		1134
1043	sub cf::player::ext_reply($$$%) {	1135	sub ext_reply($$$%) {
1044	my ($self, $id, %msg) = @_;	1136	my ($self, $id, %msg) = @_;
1045		1137
1046	$msg{msgid} = $id;	1138	$msg{msgid} = $id;
1047		1139
1048	$self->send ("ext " . to_json \%msg);	1140	$self->send ("ext " . cf::to_json \%msg);
1049	}	1141	}
		1142
		1143	package cf;
1050		1144
1051	=back	1145	=back
1052		1146
1053		1147
1054	=head3 cf::map	1148	=head3 cf::map
…		…
1060	package cf::map;	1154	package cf::map;
1061		1155
1062	use Fcntl;	1156	use Fcntl;
1063	use Coro::AIO;	1157	use Coro::AIO;
1064		1158
		1159	use overload
		1160	'""' => \&as_string,
		1161	fallback => 1;
		1162
1065	our $MAX_RESET = 7200;	1163	our $MAX_RESET = 3600;
1066	our $DEFAULT_RESET = 3600;	1164	our $DEFAULT_RESET = 3000;
1067		1165
1068	sub generate_random_map {	1166	sub generate_random_map {
1069	my ($path, $rmp) = @_;	1167	my ($self, $rmp) = @_;
1070
1071	# mit "rum" bekleckern, nicht	1168	# mit "rum" bekleckern, nicht
1072	cf::map::_create_random_map	1169	$self->_create_random_map (
1073	$path,
1074	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1170	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1075	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1171	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1076	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1172	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1077	$rmp->{exit_on_final_map},	1173	$rmp->{exit_on_final_map},
1078	$rmp->{xsize}, $rmp->{ysize},	1174	$rmp->{xsize}, $rmp->{ysize},
1079	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1175	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1080	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1176	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1081	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1177	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1082	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1178	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1083	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1179	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1084	(cf::region::find $rmp->{region})	1180	(cf::region::find $rmp->{region}), $rmp->{custom}
		1181	)
		1182	}
		1183
		1184	=item cf::map->register ($regex, $prio)
		1185
		1186	Register a handler for the map path matching the given regex at the
		1187	givne priority (higher is better, built-in handlers have priority 0, the
		1188	default).
		1189
		1190	=cut
		1191
		1192	sub register {
		1193	my (undef, $regex, $prio) = @_;
		1194	my $pkg = caller;
		1195
		1196	no strict;
		1197	push @{"$pkg\::ISA"}, __PACKAGE__;
		1198
		1199	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1200	}
		1201
		1202	# also paths starting with '/'
		1203	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1204
		1205	sub thawer_merge {
		1206	my ($self, $merge) = @_;
		1207
		1208	# we have to keep some variables in memory intact
		1209	local $self->{path};
		1210	local $self->{load_path};
		1211	local $self->{deny_save};
		1212	local $self->{deny_reset};
		1213
		1214	$self->SUPER::thawer_merge ($merge);
		1215	}
		1216
		1217	sub normalise {
		1218	my ($path, $base) = @_;
		1219
		1220	$path = "$path"; # make sure its a string
		1221
		1222	$path =~ s/\.map$//;
		1223
		1224	# map plan:
		1225	#
		1226	# /! non-realised random map exit (special hack!)
		1227	# {... are special paths that are not being touched
		1228	# ?xxx/... are special absolute paths
		1229	# ?random/... random maps
		1230	# /... normal maps
		1231	# ~user/... per-player map of a specific user
		1232
		1233	$path =~ s/$PATH_SEP/\//go;
		1234
		1235	# treat it as relative path if it starts with
		1236	# something that looks reasonable
		1237	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1238	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1239
		1240	$base =~ s{[^/]+/?$}{};
		1241	$path = "$base/$path";
		1242	}
		1243
		1244	for ($path) {
		1245	redo if s{//}{/};
		1246	redo if s{/\.?/}{/};
		1247	redo if s{/[^/]+/\.\./}{/};
		1248	}
		1249
		1250	$path
		1251	}
		1252
		1253	sub new_from_path {
		1254	my (undef, $path, $base) = @_;
		1255
		1256	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1257
		1258	$path = normalise $path, $base;
		1259
		1260	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1261	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1262	my $self = bless cf::map::new, $pkg;
		1263	$self->{path} = $path; $self->path ($path);
		1264	$self->init; # pass $1 etc.
		1265	return $self;
		1266	}
		1267	}
		1268
		1269	Carp::carp "unable to resolve path '$path' (base '$base').";
		1270	()
		1271	}
		1272
		1273	sub init {
		1274	my ($self) = @_;
		1275
		1276	$self
		1277	}
		1278
		1279	sub as_string {
		1280	my ($self) = @_;
		1281
		1282	"$self->{path}"
		1283	}
		1284
		1285	# the displayed name, this is a one way mapping
		1286	sub visible_name {
		1287	&as_string
		1288	}
		1289
		1290	# the original (read-only) location
		1291	sub load_path {
		1292	my ($self) = @_;
		1293
		1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1295	}
		1296
		1297	# the temporary/swap location
		1298	sub save_path {
		1299	my ($self) = @_;
		1300
		1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1303	}
		1304
		1305	# the unique path, undef == no special unique path
		1306	sub uniq_path {
		1307	my ($self) = @_;
		1308
		1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1085	}	1311	}
1086		1312
1087	# and all this just because we cannot iterate over	1313	# and all this just because we cannot iterate over
1088	# all maps in C++...	1314	# all maps in C++...
1089	sub change_all_map_light {	1315	sub change_all_map_light {
1090	my ($change) = @_;	1316	my ($change) = @_;
1091		1317
1092	$_->change_map_light ($change) for values %cf::MAP;	1318	$_->change_map_light ($change)
		1319	for grep $_->outdoor, values %cf::MAP;
1093	}	1320	}
1094		1321
		1322	sub unlink_save {
		1323	my ($self) = @_;
		1324
		1325	utf8::encode (my $save = $self->save_path);
		1326	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1327	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1328	}
		1329
1095	sub try_load_header($) {	1330	sub load_header_from($) {
1096	my ($path) = @_;	1331	my ($self, $path) = @_;
1097		1332
1098	utf8::encode $path;	1333	utf8::encode $path;
1099	aio_open $path, O_RDONLY, 0	1334	#aio_open $path, O_RDONLY, 0
		1335	# or return;
		1336
		1337	$self->_load_header ($path)
1100	or return;	1338	or return;
1101		1339
1102	my $map = cf::map::new	1340	$self->{load_path} = $path;
		1341
		1342	1
		1343	}
		1344
		1345	sub load_header_orig {
		1346	my ($self) = @_;
		1347
		1348	$self->load_header_from ($self->load_path)
		1349	}
		1350
		1351	sub load_header_temp {
		1352	my ($self) = @_;
		1353
		1354	$self->load_header_from ($self->save_path)
		1355	}
		1356
		1357	sub prepare_temp {
		1358	my ($self) = @_;
		1359
		1360	$self->last_access ((delete $self->{last_access})
		1361	|| $cf::RUNTIME); #d#
		1362	# safety
		1363	$self->{instantiate_time} = $cf::RUNTIME
		1364	if $self->{instantiate_time} > $cf::RUNTIME;
		1365	}
		1366
		1367	sub prepare_orig {
		1368	my ($self) = @_;
		1369
		1370	$self->{load_original} = 1;
		1371	$self->{instantiate_time} = $cf::RUNTIME;
		1372	$self->last_access ($cf::RUNTIME);
		1373	$self->instantiate;
		1374	}
		1375
		1376	sub load_header {
		1377	my ($self) = @_;
		1378
		1379	if ($self->load_header_temp) {
		1380	$self->prepare_temp;
		1381	} else {
		1382	$self->load_header_orig
1103	or return;	1383	or return;
		1384	$self->prepare_orig;
		1385	}
1104		1386
1105	$map->load_header ($path)	1387	1
1106	or return;
1107
1108	$map->{load_path} = $path;
1109
1110	$map
1111	}	1388	}
1112		1389
		1390	sub find;
1113	sub find_map {	1391	sub find {
1114	my ($path, $origin) = @_;	1392	my ($path, $origin) = @_;
1115		1393
1116	#warn "find_map<$path,$origin>\n";#d#
1117
1118	$path = new cf::path $path, $origin && $origin->path;	1394	$path = normalise $path, $origin && $origin->path;
1119	my $key = $path->as_string;
1120		1395
		1396	cf::lock_wait "map_find:$path";
		1397
1121	$cf::MAP{$key} || do {	1398	$cf::MAP{$path} || do {
1122	# do it the slow way	1399	my $guard = cf::lock_acquire "map_find:$path";
1123	my $map = try_load_header $path->save_path;	1400	my $map = new_from_path cf::map $path
1124
1125	if ($map) {
1126	# safety
1127	$map->{instantiate_time} = $cf::RUNTIME
1128	if $map->{instantiate_time} > $cf::RUNTIME;
1129	} else {
1130	if (my $rmp = $path->random_map_params) {
1131	$map = generate_random_map $key, $rmp;
1132	} else {
1133	$map = try_load_header $path->load_path;
1134	}
1135
1136	$map or return;	1401	or return;
1137		1402
1138	$map->{load_original} = 1;
1139	$map->{instantiate_time} = $cf::RUNTIME;
1140	$map->instantiate;
1141
1142	# per-player maps become, after loading, normal maps
1143	$map->per_player (0) if $path->{user_rel};
1144	}
1145
1146	$map->path ($key);
1147	$map->{path} = $path;
1148	$map->last_access ($cf::RUNTIME);	1403	$map->{last_save} = $cf::RUNTIME;
1149		1404
1150	if ($map->should_reset) {	1405	$map->load_header
		1406	or return;
		1407
		1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1409	# doing this can freeze the server in a sync job, obviously
		1410	#$cf::WAIT_FOR_TICK->wait;
1151	$map->reset;	1411	$map->reset;
1152	$map = find_map $path;	1412	undef $guard;
		1413	return find $path;
1153	}	1414	}
1154		1415
1155	$cf::MAP{$key} = $map	1416	$cf::MAP{$path} = $map
1156	}	1417	}
1157	}	1418	}
		1419
		1420	sub pre_load { }
		1421	sub post_load { }
1158		1422
1159	sub load {	1423	sub load {
1160	my ($self) = @_;	1424	my ($self) = @_;
1161		1425
		1426	local $self->{deny_reset} = 1; # loading can take a long time
		1427
		1428	my $path = $self->{path};
		1429	my $guard = cf::lock_acquire "map_load:$path";
		1430
1162	return if $self->in_memory != cf::MAP_SWAPPED;	1431	return if $self->in_memory != cf::MAP_SWAPPED;
1163		1432
1164	$self->in_memory (cf::MAP_LOADING);	1433	$self->in_memory (cf::MAP_LOADING);
1165		1434
1166	my $path = $self->{path};
1167
1168	$self->alloc;	1435	$self->alloc;
		1436
		1437	$self->pre_load;
		1438
1169	$self->load_objects ($self->{load_path}, 1)	1439	$self->_load_objects ($self->{load_path}, 1)
1170	or return;	1440	or return;
1171		1441
1172	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1173	if delete $self->{load_original};	1443	if delete $self->{load_original};
1174		1444
1175	if (my $uniq = $path->uniq_path) {	1445	if (my $uniq = $self->uniq_path) {
1176	utf8::encode $uniq;	1446	utf8::encode $uniq;
1177	if (aio_open $uniq, O_RDONLY, 0) {	1447	if (aio_open $uniq, O_RDONLY, 0) {
1178	$self->clear_unique_items;	1448	$self->clear_unique_items;
1179	$self->load_objects ($uniq, 0);	1449	$self->_load_objects ($uniq, 0);
1180	}	1450	}
1181	}	1451	}
		1452
		1453	Coro::cede;
1182		1454
1183	# now do the right thing for maps	1455	# now do the right thing for maps
1184	$self->link_multipart_objects;	1456	$self->link_multipart_objects;
1185		1457
1186	if ($self->{path}->is_style_map) {	1458	unless ($self->{deny_activate}) {
1187	$self->{deny_save} = 1;	1459	$self->decay_objects;
1188	$self->{deny_reset} = 1;
1189	} else {
1190	$self->fix_auto_apply;	1460	$self->fix_auto_apply;
1191	$self->decay_objects;
1192	$self->update_buttons;	1461	$self->update_buttons;
		1462	Coro::cede;
1193	$self->set_darkness_map;	1463	$self->set_darkness_map;
1194	$self->difficulty ($self->estimate_difficulty)	1464	$self->difficulty ($self->estimate_difficulty)
1195	unless $self->difficulty;	1465	unless $self->difficulty;
		1466	Coro::cede;
1196	$self->activate;	1467	$self->activate;
1197	}	1468	}
1198		1469
		1470	$self->post_load;
		1471
1199	$self->in_memory (cf::MAP_IN_MEMORY);	1472	$self->in_memory (cf::MAP_IN_MEMORY);
1200	}	1473	}
1201		1474
1202	sub load_map_sync {	1475	sub customise_for {
		1476	my ($self, $ob) = @_;
		1477
		1478	return find "~" . $ob->name . "/" . $self->{path}
		1479	if $self->per_player;
		1480
		1481	$self
		1482	}
		1483
		1484	# find and load all maps in the 3x3 area around a map
		1485	sub load_diag {
		1486	my ($map) = @_;
		1487
		1488	my @diag; # diagonal neighbours
		1489
		1490	for (0 .. 3) {
		1491	my $neigh = $map->tile_path ($_)
		1492	or next;
		1493	$neigh = find $neigh, $map
		1494	or next;
		1495	$neigh->load;
		1496
		1497	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1498	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1499	}
		1500
		1501	for (@diag) {
		1502	my $neigh = find @$_
		1503	or next;
		1504	$neigh->load;
		1505	}
		1506	}
		1507
		1508	sub find_sync {
1203	my ($path, $origin) = @_;	1509	my ($path, $origin) = @_;
1204		1510
1205	#warn "load_map_sync<$path, $origin>\n";#d#	1511	cf::sync_job { find $path, $origin }
		1512	}
1206		1513
1207	cf::sync_job {	1514	sub do_load_sync {
1208	my $map = cf::map::find_map $path, $origin	1515	my ($map) = @_;
1209	or return;	1516
		1517	cf::sync_job { $map->load };
		1518	}
		1519
		1520	our %MAP_PREFETCH;
		1521	our $MAP_PREFETCHER = undef;
		1522
		1523	sub find_async {
		1524	my ($path, $origin) = @_;
		1525
		1526	$path = normalise $path, $origin && $origin->{path};
		1527
		1528	if (my $map = $cf::MAP{$path}) {
		1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1530	}
		1531
		1532	undef $MAP_PREFETCH{$path};
		1533	$MAP_PREFETCHER ||= cf::async {
		1534	while (%MAP_PREFETCH) {
		1535	for my $path (keys %MAP_PREFETCH) {
		1536	my $map = find $path
		1537	or next;
1210	$map->load;	1538	$map->load;
1211	$map	1539
		1540	delete $MAP_PREFETCH{$path};
		1541	}
		1542	}
		1543	undef $MAP_PREFETCHER;
1212	}	1544	};
		1545	$MAP_PREFETCHER->prio (6);
		1546
		1547	()
1213	}	1548	}
1214		1549
1215	sub save {	1550	sub save {
1216	my ($self) = @_;	1551	my ($self) = @_;
1217		1552
1218	my $save = $self->{path}->save_path; utf8::encode $save;	1553	my $lock = cf::lock_acquire "map_data:" . $self->path;
1219	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1220		1554
1221	$self->{last_save} = $cf::RUNTIME;	1555	$self->{last_save} = $cf::RUNTIME;
1222		1556
1223	return unless $self->dirty;	1557	return unless $self->dirty;
1224		1558
		1559	my $save = $self->save_path; utf8::encode $save;
		1560	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1561
1225	$self->{load_path} = $save;	1562	$self->{load_path} = $save;
1226		1563
1227	return if $self->{deny_save};	1564	return if $self->{deny_save};
1228		1565
		1566	local $self->{last_access} = $self->last_access;#d#
		1567
		1568	cf::async {
		1569	$_->contr->save for $self->players;
		1570	};
		1571
1229	if ($uniq) {	1572	if ($uniq) {
1230	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1231	$self->save_objects ($uniq, cf::IO_UNIQUES);	1574	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1232	} else {	1575	} else {
1233	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1576	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1234	}	1577	}
1235	}	1578	}
1236		1579
1237	sub swap_out {	1580	sub swap_out {
1238	my ($self) = @_;	1581	my ($self) = @_;
		1582
		1583	# save first because save cedes
		1584	$self->save;
		1585
		1586	my $lock = cf::lock_acquire "map_data:" . $self->path;
1239		1587
1240	return if $self->players;	1588	return if $self->players;
1241	return if $self->in_memory != cf::MAP_IN_MEMORY;	1589	return if $self->in_memory != cf::MAP_IN_MEMORY;
1242	return if $self->{deny_save};	1590	return if $self->{deny_save};
1243		1591
1244	$self->save;
1245	$self->clear;	1592	$self->clear;
1246	$self->in_memory (cf::MAP_SWAPPED);	1593	$self->in_memory (cf::MAP_SWAPPED);
1247	}	1594	}
1248		1595
1249	sub reset_at {	1596	sub reset_at {
1250	my ($self) = @_;	1597	my ($self) = @_;
1251		1598
1252	# TODO: safety, remove and allow resettable per-player maps	1599	# TODO: safety, remove and allow resettable per-player maps
1253	return 1e99 if $self->{path}{user_rel};	1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1254	return 1e99 if $self->{deny_reset};	1601	return 1e99 if $self->{deny_reset};
1255		1602
1256	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1257	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1258		1605
…		…
1263	my ($self) = @_;	1610	my ($self) = @_;
1264		1611
1265	$self->reset_at <= $cf::RUNTIME	1612	$self->reset_at <= $cf::RUNTIME
1266	}	1613	}
1267		1614
1268	sub unlink_save {
1269	my ($self) = @_;
1270
1271	utf8::encode (my $save = $self->{path}->save_path);
1272	aioreq_pri 3; IO::AIO::aio_unlink $save;
1273	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1274	}
1275
1276	sub rename {
1277	my ($self, $new_path) = @_;
1278
1279	$self->unlink_save;
1280
1281	delete $cf::MAP{$self->path};
1282	$self->{path} = new cf::path $new_path;
1283	$self->path ($self->{path}->as_string);
1284	$cf::MAP{$self->path} = $self;
1285
1286	$self->save;
1287	}
1288
1289	sub reset {	1615	sub reset {
1290	my ($self) = @_;	1616	my ($self) = @_;
1291		1617
		1618	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1619
1292	return if $self->players;	1620	return if $self->players;
1293	return if $self->{path}{user_rel};#d#	1621	return if $self->isa ("ext::map_per_player");#d#
1294		1622
1295	warn "resetting map ", $self->path;#d#	1623	warn "resetting map ", $self->path;#d#
1296		1624
		1625	$self->in_memory (cf::MAP_SWAPPED);
		1626
		1627	# need to save uniques path
		1628	unless ($self->{deny_save}) {
		1629	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1630
		1631	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1632	if $uniq;
		1633	}
		1634
1297	delete $cf::MAP{$self->path};	1635	delete $cf::MAP{$self->path};
		1636
		1637	$self->clear;
1298		1638
1299	$_->clear_links_to ($self) for values %cf::MAP;	1639	$_->clear_links_to ($self) for values %cf::MAP;
1300		1640
1301	$self->unlink_save;	1641	$self->unlink_save;
1302	$self->destroy;	1642	$self->destroy;
…		…
1305	my $nuke_counter = "aaaa";	1645	my $nuke_counter = "aaaa";
1306		1646
1307	sub nuke {	1647	sub nuke {
1308	my ($self) = @_;	1648	my ($self) = @_;
1309		1649
		1650	delete $cf::MAP{$self->path};
		1651
		1652	$self->unlink_save;
		1653
		1654	bless $self, "cf::map";
		1655	delete $self->{deny_reset};
1310	$self->{deny_save} = 1;	1656	$self->{deny_save} = 1;
1311	$self->reset_timeout (1);	1657	$self->reset_timeout (1);
1312	$self->rename ("{nuke}/" . ($nuke_counter++));	1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1659
		1660	$cf::MAP{$self->path} = $self;
		1661
1313	$self->reset; # polite request, might not happen	1662	$self->reset; # polite request, might not happen
1314	}	1663	}
1315		1664
1316	sub customise_for {	1665	=item cf::map::unique_maps
1317	my ($map, $ob) = @_;
1318		1666
1319	if ($map->per_player) {	1667	Returns an arrayref of paths of all shared maps that have
1320	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1668	instantiated unique items. May block.
1321	}
1322		1669
1323	$map	1670	=cut
1324	}
1325		1671
1326	sub emergency_save {	1672	sub unique_maps() {
1327	local $cf::FREEZE = 1;	1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1674	or return;
1328		1675
1329	warn "enter emergency map save\n";	1676	my @paths;
1330		1677
1331	cf::sync_job {	1678	for (@$files) {
1332	warn "begin emergency map save\n";	1679	utf8::decode $_;
1333	$_->save for values %cf::MAP;	1680	next if /\.pst$/;
		1681	next unless /^$PATH_SEP/o;
		1682
		1683	push @paths, cf::map::normalise $_;
1334	};	1684	}
1335		1685
1336	warn "end emergency map save\n";	1686	\@paths
1337	}	1687	}
1338		1688
1339	package cf;	1689	package cf;
1340		1690
1341	=back	1691	=back
1342		1692
		1693	=head3 cf::object
		1694
		1695	=cut
		1696
		1697	package cf::object;
		1698
		1699	=over 4
		1700
		1701	=item $ob->inv_recursive
		1702
		1703	Returns the inventory of the object _and_ their inventories, recursively.
		1704
		1705	=cut
		1706
		1707	sub inv_recursive_;
		1708	sub inv_recursive_ {
		1709	map { $_, inv_recursive_ $_->inv } @_
		1710	}
		1711
		1712	sub inv_recursive {
		1713	inv_recursive_ inv $_[0]
		1714	}
		1715
		1716	package cf;
		1717
		1718	=back
1343		1719
1344	=head3 cf::object::player	1720	=head3 cf::object::player
1345		1721
1346	=over 4	1722	=over 4
1347		1723
…		…
1387		1763
1388	=item $player_object->enter_link	1764	=item $player_object->enter_link
1389		1765
1390	Freezes the player and moves him/her to a special map (C<{link}>).	1766	Freezes the player and moves him/her to a special map (C<{link}>).
1391		1767
1392	The player should be reaosnably safe there for short amounts of time. You	1768	The player should be reasonably safe there for short amounts of time. You
1393	I<MUST> call C<leave_link> as soon as possible, though.	1769	I<MUST> call C<leave_link> as soon as possible, though.
1394		1770
		1771	Will never block.
		1772
1395	=item $player_object->leave_link ($map, $x, $y)	1773	=item $player_object->leave_link ($map, $x, $y)
1396		1774
1397	Moves the player out of the specila link map onto the given map. If the	1775	Moves the player out of the special C<{link}> map onto the specified
1398	map is not valid (or omitted), the player will be moved back to the	1776	map. If the map is not valid (or omitted), the player will be moved back
1399	location he/she was before the call to C<enter_link>, or, if that fails,	1777	to the location he/she was before the call to C<enter_link>, or, if that
1400	to the emergency map position.	1778	fails, to the emergency map position.
1401		1779
1402	Might block.	1780	Might block.
1403		1781
1404	=cut	1782	=cut
		1783
		1784	sub link_map {
		1785	unless ($LINK_MAP) {
		1786	$LINK_MAP = cf::map::find "{link}"
		1787	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1788	$LINK_MAP->load;
		1789	}
		1790
		1791	$LINK_MAP
		1792	}
1405		1793
1406	sub cf::object::player::enter_link {	1794	sub cf::object::player::enter_link {
1407	my ($self) = @_;	1795	my ($self) = @_;
1408		1796
1409	return if $self->map == $LINK_MAP;	1797	$self->deactivate_recursive;
1410		1798
		1799	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1800
1411	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1412	if $self->map;	1802	if $self->map;
1413		1803
1414	$self->enter_map ($LINK_MAP, 20, 20);	1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1415	$self->deactivate_recursive;
1416	}	1805	}
1417		1806
1418	sub cf::object::player::leave_link {	1807	sub cf::object::player::leave_link {
1419	my ($self, $map, $x, $y) = @_;	1808	my ($self, $map, $x, $y) = @_;
1420		1809
1421	my $link_pos = delete $self->{_link_pos};	1810	my $link_pos = delete $self->{_link_pos};
1422		1811
1423	unless ($map) {	1812	unless ($map) {
1424	# restore original map position	1813	# restore original map position
1425	($map, $x, $y) = @{ $link_pos || [] };	1814	($map, $x, $y) = @{ $link_pos || [] };
1426	$map = cf::map::find_map $map;	1815	$map = cf::map::find $map;
1427		1816
1428	unless ($map) {	1817	unless ($map) {
1429	($map, $x, $y) = @$EMERGENCY_POSITION;	1818	($map, $x, $y) = @$EMERGENCY_POSITION;
1430	$map = cf::map::find_map $map	1819	$map = cf::map::find $map
1431	or die "FATAL: cannot load emergency map\n";	1820	or die "FATAL: cannot load emergency map\n";
1432	}	1821	}
1433	}	1822	}
1434		1823
1435	($x, $y) = (-1, -1)	1824	($x, $y) = (-1, -1)
…		…
1438	# use -1 or undef as default coordinates, not 0, 0	1827	# use -1 or undef as default coordinates, not 0, 0
1439	($x, $y) = ($map->enter_x, $map->enter_y)	1828	($x, $y) = ($map->enter_x, $map->enter_y)
1440	if $x <=0 && $y <= 0;	1829	if $x <=0 && $y <= 0;
1441		1830
1442	$map->load;	1831	$map->load;
		1832	$map->load_diag;
1443		1833
		1834	return unless $self->contr->active;
1444	$self->activate_recursive;	1835	$self->activate_recursive;
		1836
		1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1445	$self->enter_map ($map, $x, $y);	1838	$self->enter_map ($map, $x, $y);
1446	}	1839	}
1447		1840
		1841	cf::player->attach (
		1842	on_logout => sub {
		1843	my ($pl) = @_;
		1844
		1845	# abort map switching before logout
		1846	if ($pl->ob->{_link_pos}) {
		1847	cf::sync_job {
		1848	$pl->ob->leave_link
		1849	};
		1850	}
		1851	},
		1852	on_login => sub {
		1853	my ($pl) = @_;
		1854
		1855	# try to abort aborted map switching on player login :)
		1856	# should happen only on crashes
		1857	if ($pl->ob->{_link_pos}) {
		1858	$pl->ob->enter_link;
		1859	(async {
		1860	$pl->ob->reply (undef,
		1861	"There was an internal problem at your last logout, "
		1862	. "the server will try to bring you to your intended destination in a second.",
		1863	cf::NDI_RED);
		1864	# we need this sleep as the login has a concurrent enter_exit running
		1865	# and this sleep increases chances of the player not ending up in scorn
		1866	Coro::Timer::sleep 1;
		1867	$pl->ob->leave_link;
		1868	})->prio (2);
		1869	}
		1870	},
		1871	);
		1872
1448	=item $player_object->goto_map ($map, $x, $y)	1873	=item $player_object->goto ($path, $x, $y)
1449		1874
1450	=cut	1875	=cut
1451		1876
1452	sub cf::object::player::goto_map {	1877	sub cf::object::player::goto {
1453	my ($self, $path, $x, $y) = @_;	1878	my ($self, $path, $x, $y) = @_;
1454		1879
1455	$self->enter_link;	1880	$self->enter_link;
1456		1881
1457	(Coro::async {	1882	(async {
1458	$path = new cf::path $path;	1883	my $map = eval {
1459
1460	my $map = cf::map::find_map $path->as_string;	1884	my $map = cf::map::find $path;
1461	$map = $map->customise_for ($self) if $map;	1885	$map = $map->customise_for ($self) if $map;
1462
1463	warn "entering ", $map->path, " at ($x, $y)\n"
1464	if $map;	1886	$map
1465		1887	} or
1466	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1467		1889
1468	$self->leave_link ($map, $x, $y);	1890	$self->leave_link ($map, $x, $y);
1469	})->prio (1);	1891	})->prio (1);
1470	}	1892	}
1471		1893
…		…
1475		1897
1476	sub parse_random_map_params {	1898	sub parse_random_map_params {
1477	my ($spec) = @_;	1899	my ($spec) = @_;
1478		1900
1479	my $rmp = { # defaults	1901	my $rmp = { # defaults
1480	xsize => 10,	1902	xsize => (cf::rndm 15, 40),
1481	ysize => 10,	1903	ysize => (cf::rndm 15, 40),
		1904	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1905	#layout => string,
1482	};	1906	};
1483		1907
1484	for (split /\n/, $spec) {	1908	for (split /\n/, $spec) {
1485	my ($k, $v) = split /\s+/, $_, 2;	1909	my ($k, $v) = split /\s+/, $_, 2;
1486		1910
…		…
1490	$rmp	1914	$rmp
1491	}	1915	}
1492		1916
1493	sub prepare_random_map {	1917	sub prepare_random_map {
1494	my ($exit) = @_;	1918	my ($exit) = @_;
		1919
		1920	my $guard = cf::lock_acquire "exit_prepare:$exit";
1495		1921
1496	# all this does is basically replace the /! path by	1922	# all this does is basically replace the /! path by
1497	# a new random map path (?random/...) with a seed	1923	# a new random map path (?random/...) with a seed
1498	# that depends on the exit object	1924	# that depends on the exit object
1499		1925
1500	my $rmp = parse_random_map_params $exit->msg;	1926	my $rmp = parse_random_map_params $exit->msg;
1501		1927
1502	if ($exit->map) {	1928	if ($exit->map) {
1503	$rmp->{region} = $exit->map->region_name;	1929	$rmp->{region} = $exit->region->name;
1504	$rmp->{origin_map} = $exit->map->path;	1930	$rmp->{origin_map} = $exit->map->path;
1505	$rmp->{origin_x} = $exit->x;	1931	$rmp->{origin_x} = $exit->x;
1506	$rmp->{origin_y} = $exit->y;	1932	$rmp->{origin_y} = $exit->y;
1507	}	1933	}
1508		1934
1509	$rmp->{random_seed} ||= $exit->random_seed;	1935	$rmp->{random_seed} ||= $exit->random_seed;
1510		1936
1511	my $data = cf::to_json $rmp;	1937	my $data = cf::to_json $rmp;
1512	my $md5 = Digest::MD5::md5_hex $data;	1938	my $md5 = Digest::MD5::md5_hex $data;
		1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1513		1940
1514	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1515	aio_write $fh, 0, (length $data), $data, 0;	1942	aio_write $fh, 0, (length $data), $data, 0;
		1943	undef $fh;
		1944	aio_rename "$meta~", $meta;
1516		1945
1517	$exit->slaying ("?random/$md5");	1946	$exit->slaying ("?random/$md5");
1518	$exit->msg (undef);	1947	$exit->msg (undef);
1519	}	1948	}
1520	}	1949	}
…		…
1522	sub cf::object::player::enter_exit {	1951	sub cf::object::player::enter_exit {
1523	my ($self, $exit) = @_;	1952	my ($self, $exit) = @_;
1524		1953
1525	return unless $self->type == cf::PLAYER;	1954	return unless $self->type == cf::PLAYER;
1526		1955
		1956	if ($exit->slaying eq "/!") {
		1957	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1958	cf::sync_job { prepare_random_map $exit };
		1959	}
		1960
		1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1962	my $hp = $exit->stats->hp;
		1963	my $sp = $exit->stats->sp;
		1964
1527	$self->enter_link;	1965	$self->enter_link;
1528		1966
1529	(Coro::async {	1967	(async {
		1968	$self->deactivate_recursive; # just to be sure
1530	unless (eval {	1969	unless (eval {
1531		1970	$self->goto ($slaying, $hp, $sp);
1532	prepare_random_map $exit
1533	if $exit->slaying eq "/!";
1534
1535	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1536	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1537		1971
1538	1;	1972	1;
1539	}) {	1973	}) {
1540	$self->message ("Something went wrong deep within the crossfire server. "	1974	$self->message ("Something went wrong deep within the crossfire server. "
1541	. "I'll try to bring you back to the map you were before. "	1975	. "I'll try to bring you back to the map you were before. "
1542	. "Please report this to the dungeon master",	1976	. "Please report this to the dungeon master!",
1543	cf::NDI_UNIQUE | cf::NDI_RED);	1977	cf::NDI_UNIQUE | cf::NDI_RED);
1544		1978
1545	warn "ERROR in enter_exit: $@";	1979	warn "ERROR in enter_exit: $@";
1546	$self->leave_link;	1980	$self->leave_link;
1547	}	1981	}
…		…
1598	on_reply => sub {	2032	on_reply => sub {
1599	my ($ns, $msg) = @_;	2033	my ($ns, $msg) = @_;
1600		2034
1601	# this weird shuffling is so that direct followup queries	2035	# this weird shuffling is so that direct followup queries
1602	# get handled first	2036	# get handled first
1603	my $queue = delete $ns->{query_queue};	2037	my $queue = delete $ns->{query_queue}
		2038	or return; # be conservative, not sure how that can happen, but we saw a crash here
1604		2039
1605	(shift @$queue)->[1]->($msg);	2040	(shift @$queue)->[1]->($msg);
		2041	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1606		2042
1607	push @{ $ns->{query_queue} }, @$queue;	2043	push @{ $ns->{query_queue} }, @$queue;
1608		2044
1609	if (@{ $ns->{query_queue} } == @$queue) {	2045	if (@{ $ns->{query_queue} } == @$queue) {
1610	if (@$queue) {	2046	if (@$queue) {
…		…
1614	}	2050	}
1615	}	2051	}
1616	},	2052	},
1617	);	2053	);
1618		2054
1619	=item $client->coro (\&cb)	2055	=item $client->async (\&cb)
1620		2056
1621	Create a new coroutine, running the specified callback. The coroutine will	2057	Create a new coroutine, running the specified callback. The coroutine will
1622	be automatically cancelled when the client gets destroyed (e.g. on logout,	2058	be automatically cancelled when the client gets destroyed (e.g. on logout,
1623	or loss of connection).	2059	or loss of connection).
1624		2060
1625	=cut	2061	=cut
1626		2062
1627	sub cf::client::coro {	2063	sub cf::client::async {
1628	my ($self, $cb) = @_;	2064	my ($self, $cb) = @_;
1629		2065
1630	my $coro; $coro = async {	2066	my $coro = &Coro::async ($cb);
1631	eval {
1632	$cb->();
1633	};
1634	warn $@ if $@;
1635	};
1636		2067
1637	$coro->on_destroy (sub {	2068	$coro->on_destroy (sub {
1638	delete $self->{_coro}{$coro+0};	2069	delete $self->{_coro}{$coro+0};
1639	});	2070	});
1640		2071
…		…
1776	The parameter C<$family> should best start with the name of the extension	2207	The parameter C<$family> should best start with the name of the extension
1777	using it, it should be unique.	2208	using it, it should be unique.
1778		2209
1779	=over 4	2210	=over 4
1780		2211
1781	=item $hashref = cf::db_get $family
1782
1783	Return a hashref for use by the extension C<$family>, which can be
1784	modified. After modifications, you have to call C<cf::db_dirty> or
1785	C<cf::db_sync>.
1786
1787	=item $value = cf::db_get $family => $key	2212	=item $value = cf::db_get $family => $key
1788		2213
1789	Returns a single value from the database	2214	Returns a single value from the database.
1790
1791	=item cf::db_put $family => $hashref
1792
1793	Stores the given family hashref into the database. Updates are delayed, if
1794	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1795		2215
1796	=item cf::db_put $family => $key => $value	2216	=item cf::db_put $family => $key => $value
1797		2217
1798	Stores the given C<$value> in the family hash. Updates are delayed, if you	2218	Stores the given C<$value> in the family.
1799	want the data to be synced to disk immediately, use C<cf::db_sync>.
1800
1801	=item cf::db_dirty
1802
1803	Marks the database as dirty, to be updated at a later time.
1804
1805	=item cf::db_sync
1806
1807	Immediately write the database to disk I<if it is dirty>.
1808		2219
1809	=cut	2220	=cut
1810		2221
1811	our $DB;	2222	our $DB;
1812		2223
1813	{	2224	sub db_init {
		2225	unless ($DB) {
		2226	$DB = BDB::db_create $DB_ENV;
		2227
		2228	cf::sync_job {
		2229	eval {
		2230	$DB->set_flags (BDB::CHKSUM);
		2231
		2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2234	cf::cleanup "db_open(db): $!" if $!;
		2235	};
		2236	cf::cleanup "db_open(db): $@" if $@;
		2237	};
		2238
1814	my $path = cf::localdir . "/database.pst";	2239	my $path = cf::localdir . "/database.pst";
		2240	if (stat $path) {
		2241	cf::sync_job {
		2242	my $pst = Storable::retrieve $path;
1815		2243
1816	sub db_load() {	2244	cf::db_put (board => data => $pst->{board});
1817	warn "loading database $path\n";#d# remove later	2245	cf::db_put (guildrules => data => $pst->{guildrules});
1818	$DB = stat $path ? Storable::retrieve $path : { };	2246	cf::db_put (rent => balance => $pst->{rent}{balance});
1819	}	2247	BDB::db_env_txn_checkpoint $DB_ENV;
1820		2248
1821	my $pid;	2249	unlink $path;
1822
1823	sub db_save() {
1824	warn "saving database $path\n";#d# remove later
1825	waitpid $pid, 0 if $pid;
1826	if (0 == ($pid = fork)) {
1827	$DB->{_meta}{version} = 1;
1828	Storable::nstore $DB, "$path~";
1829	rename "$path~", $path;
1830	cf::_exit 0 if defined $pid;
1831	}	2250	};
1832	}
1833
1834	my $dirty;
1835
1836	sub db_sync() {
1837	db_save if $dirty;
1838	undef $dirty;
1839	}
1840
1841	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1842	db_sync;
1843	});
1844
1845	sub db_dirty() {
1846	$dirty = 1;
1847	$idle->start;
1848	}
1849
1850	sub db_get($;$) {
1851	@_ >= 2
1852	? $DB->{$_[0]}{$_[1]}
1853	: ($DB->{$_[0]} ||= { })
1854	}
1855
1856	sub db_put($$;$) {
1857	if (@_ >= 3) {
1858	$DB->{$_[0]}{$_[1]} = $_[2];
1859	} else {
1860	$DB->{$_[0]} = $_[1];
1861	}
1862	db_dirty;
1863	}
1864
1865	cf::global->attach (
1866	prio => 10000,
1867	on_cleanup => sub {
1868	db_sync;
1869	},	2251	}
1870	);	2252	}
		2253	}
		2254
		2255	sub db_get($$) {
		2256	my $key = "$_[0]/$_[1]";
		2257
		2258	cf::sync_job {
		2259	BDB::db_get $DB, undef, $key, my $data;
		2260
		2261	$! ? ()
		2262	: Compress::LZF::sthaw $data
		2263	}
		2264	}
		2265
		2266	sub db_put($$$) {
		2267	BDB::dbreq_pri 4;
		2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1871	}	2269	}
1872		2270
1873	#############################################################################	2271	#############################################################################
1874	# the server's main()	2272	# the server's init and main functions
		2273
		2274	sub load_faces {
		2275	my $path = sprintf "%s/faces", cf::datadir;
		2276
		2277	warn "loading faces from $path\n";
		2278
		2279	my $faces;
		2280	0 < aio_load $path, $faces
		2281	or die "$path: $!";
		2282
		2283	Coro::cede;
		2284	$faces = Storable::thaw $faces;
		2285	Coro::cede;
		2286
		2287	while (my ($face, $info) = each %$faces) {
		2288	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2289	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2290	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2291	Coro::cede;
		2292	}
		2293
		2294	1
		2295	}
		2296
		2297	sub reload_resources {
		2298	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2299	or die "unable to load regions file\n";#d#
		2300	load_faces
		2301	or die "unable to load faces\n";#d#
		2302	}
		2303
		2304	sub init {
		2305	reload_resources;
		2306	}
1875		2307
1876	sub cfg_load {	2308	sub cfg_load {
1877	open my $fh, "<:utf8", cf::confdir . "/config"	2309	open my $fh, "<:utf8", cf::confdir . "/config"
1878	or return;	2310	or return;
1879		2311
1880	local $/;	2312	local $/;
1881	*CFG = YAML::Syck::Load <$fh>;	2313	*CFG = YAML::Syck::Load <$fh>;
		2314
		2315	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2316
		2317	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2318	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2319
		2320	if (exists $CFG{mlockall}) {
		2321	eval {
		2322	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2323	and die "WARNING: m(un)lockall failed: $!\n";
		2324	};
		2325	warn $@ if $@;
		2326	}
1882	}	2327	}
1883		2328
1884	sub main {	2329	sub main {
1885	# we must not ever block the main coroutine	2330	# we must not ever block the main coroutine
1886	local $Coro::idle = sub {	2331	local $Coro::idle = sub {
1887	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2332	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1888	(Coro::unblock_sub {	2333	(async {
1889	Event::one_event;	2334	Event::one_event;
1890	})->();	2335	})->prio (Coro::PRIO_MAX);
1891	};	2336	};
1892		2337
1893	cfg_load;	2338	cfg_load;
1894	db_load;	2339	db_init;
1895	load_extensions;	2340	load_extensions;
		2341
		2342	$TICK_WATCHER->start;
1896	Event::loop;	2343	Event::loop;
1897	}	2344	}
1898		2345
1899	#############################################################################	2346	#############################################################################
1900	# initialisation	2347	# initialisation and cleanup
		2348
		2349	# install some emergency cleanup handlers
		2350	BEGIN {
		2351	for my $signal (qw(INT HUP TERM)) {
		2352	Event->signal (
		2353	reentrant => 0,
		2354	data => WF_AUTOCANCEL,
		2355	signal => $signal,
		2356	prio => 0,
		2357	cb => sub {
		2358	cf::cleanup "SIG$signal";
		2359	},
		2360	);
		2361	}
		2362	}
		2363
		2364	sub emergency_save() {
		2365	my $freeze_guard = cf::freeze_mainloop;
		2366
		2367	warn "enter emergency perl save\n";
		2368
		2369	cf::sync_job {
		2370	# use a peculiar iteration method to avoid tripping on perl
		2371	# refcount bugs in for. also avoids problems with players
		2372	# and maps saved/destroyed asynchronously.
		2373	warn "begin emergency player save\n";
		2374	for my $login (keys %cf::PLAYER) {
		2375	my $pl = $cf::PLAYER{$login} or next;
		2376	$pl->valid or next;
		2377	$pl->save;
		2378	}
		2379	warn "end emergency player save\n";
		2380
		2381	warn "begin emergency map save\n";
		2382	for my $path (keys %cf::MAP) {
		2383	my $map = $cf::MAP{$path} or next;
		2384	$map->valid or next;
		2385	$map->save;
		2386	}
		2387	warn "end emergency map save\n";
		2388
		2389	warn "begin emergency database checkpoint\n";
		2390	BDB::db_env_txn_checkpoint $DB_ENV;
		2391	warn "end emergency database checkpoint\n";
		2392	};
		2393
		2394	warn "leave emergency perl save\n";
		2395	}
		2396
		2397	sub post_cleanup {
		2398	my ($make_core) = @_;
		2399
		2400	warn Carp::longmess "post_cleanup backtrace"
		2401	if $make_core;
		2402	}
1901		2403
1902	sub reload() {	2404	sub reload() {
1903	# can/must only be called in main	2405	# can/must only be called in main
1904	if ($Coro::current != $Coro::main) {	2406	if ($Coro::current != $Coro::main) {
1905	warn "can only reload from main coroutine\n";	2407	warn "can only reload from main coroutine";
1906	return;	2408	return;
1907	}	2409	}
1908		2410
1909	warn "reloading...";	2411	warn "reloading...";
1910		2412
1911	local $FREEZE = 1;	2413	warn "entering sync_job";
		2414
		2415	cf::sync_job {
		2416	cf::write_runtime; # external watchdog should not bark
1912	cf::emergency_save;	2417	cf::emergency_save;
		2418	cf::write_runtime; # external watchdog should not bark
1913		2419
1914	eval {	2420	warn "syncing database to disk";
		2421	BDB::db_env_txn_checkpoint $DB_ENV;
		2422
1915	# if anything goes wrong in here, we should simply crash as we already saved	2423	# if anything goes wrong in here, we should simply crash as we already saved
1916		2424
1917	# cancel all watchers	2425	warn "cancelling all WF_AUTOCANCEL watchers";
1918	for (Event::all_watchers) {	2426	for (Event::all_watchers) {
1919	$_->cancel if $_->data & WF_AUTOCANCEL;	2427	$_->cancel if $_->data & WF_AUTOCANCEL;
1920	}	2428	}
1921		2429
		2430	warn "flushing outstanding aio requests";
		2431	for (;;) {
		2432	BDB::flush;
		2433	IO::AIO::flush;
		2434	Coro::cede;
		2435	last unless IO::AIO::nreqs || BDB::nreqs;
		2436	warn "iterate...";
		2437	}
		2438
		2439	++$RELOAD;
		2440
1922	# cancel all extension coros	2441	warn "cancelling all extension coros";
1923	$_->cancel for values %EXT_CORO;	2442	$_->cancel for values %EXT_CORO;
1924	%EXT_CORO = ();	2443	%EXT_CORO = ();
1925		2444
1926	# unload all extensions	2445	warn "removing commands";
1927	for (@exts) {	2446	%COMMAND = ();
		2447
		2448	warn "removing ext commands";
		2449	%EXTCMD = ();
		2450
		2451	warn "unloading/nuking all extensions";
		2452	for my $pkg (@EXTS) {
1928	warn "unloading <$_>";	2453	warn "... unloading $pkg";
1929	unload_extension $_;	2454
		2455	if (my $cb = $pkg->can ("unload")) {
		2456	eval {
		2457	$cb->($pkg);
		2458	1
		2459	} or warn "$pkg unloaded, but with errors: $@";
1930	}	2460	}
1931		2461
		2462	warn "... nuking $pkg";
		2463	Symbol::delete_package $pkg;
		2464	}
		2465
1932	# unload all modules loaded from $LIBDIR	2466	warn "unloading all perl modules loaded from $LIBDIR";
1933	while (my ($k, $v) = each %INC) {	2467	while (my ($k, $v) = each %INC) {
1934	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2468	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1935		2469
1936	warn "removing <$k>";	2470	warn "... unloading $k";
1937	delete $INC{$k};	2471	delete $INC{$k};
1938		2472
1939	$k =~ s/\.pm$//;	2473	$k =~ s/\.pm$//;
1940	$k =~ s/\//::/g;	2474	$k =~ s/\//::/g;
1941		2475
…		…
1944	}	2478	}
1945		2479
1946	Symbol::delete_package $k;	2480	Symbol::delete_package $k;
1947	}	2481	}
1948		2482
1949	# sync database to disk
1950	cf::db_sync;
1951	IO::AIO::flush;
1952
1953	# get rid of safe::, as good as possible	2483	warn "getting rid of safe::, as good as possible";
1954	Symbol::delete_package "safe::$_"	2484	Symbol::delete_package "safe::$_"
1955	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2485	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1956		2486
1957	# remove register_script_function callbacks
1958	# TODO
1959
1960	# unload cf.pm "a bit"	2487	warn "unloading cf.pm \"a bit\"";
1961	delete $INC{"cf.pm"};	2488	delete $INC{"cf.pm"};
1962		2489
1963	# don't, removes xs symbols, too,	2490	# don't, removes xs symbols, too,
1964	# and global variables created in xs	2491	# and global variables created in xs
1965	#Symbol::delete_package __PACKAGE__;	2492	#Symbol::delete_package __PACKAGE__;
1966		2493
1967	# reload cf.pm	2494	warn "unload completed, starting to reload now";
		2495
1968	warn "reloading cf.pm";	2496	warn "reloading cf.pm";
1969	require cf;	2497	require cf;
1970	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2498	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1971		2499
1972	# load config and database again	2500	warn "loading config and database again";
1973	cf::cfg_load;	2501	cf::cfg_load;
1974	cf::db_load;
1975		2502
1976	# load extensions
1977	warn "load extensions";	2503	warn "loading extensions";
1978	cf::load_extensions;	2504	cf::load_extensions;
1979		2505
1980	# reattach attachments to objects	2506	warn "reattaching attachments to objects/players";
1981	warn "reattach";	2507	_global_reattach; # objects, sockets
1982	_global_reattach;	2508	warn "reattaching attachments to maps";
1983	};	2509	reattach $_ for values %MAP;
		2510	warn "reattaching attachments to players";
		2511	reattach $_ for values %PLAYER;
1984		2512
1985	if ($@) {	2513	warn "loading reloadable resources";
		2514	reload_resources;
		2515
		2516	warn "leaving sync_job";
		2517
		2518	1
		2519	} or do {
1986	warn $@;	2520	warn $@;
1987	warn "error while reloading, exiting.";	2521	warn "error while reloading, exiting.";
1988	exit 1;	2522	exit 1;
1989	}	2523	};
1990		2524
1991	warn "reloaded successfully";	2525	warn "reloaded";
1992	};	2526	};
1993		2527
1994	#############################################################################	2528	our $RELOAD_WATCHER; # used only during reload
1995
1996	unless ($LINK_MAP) {
1997	$LINK_MAP = cf::map::new;
1998
1999	$LINK_MAP->width (41);
2000	$LINK_MAP->height (41);
2001	$LINK_MAP->alloc;
2002	$LINK_MAP->path ("{link}");
2003	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2004	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2005
2006	# dirty hack because... archetypes are not yet loaded
2007	Event->timer (
2008	after => 2,
2009	cb => sub {
2010	$_[0]->w->cancel;
2011
2012	# provide some exits "home"
2013	my $exit = cf::object::new "exit";
2014
2015	$exit->slaying ($EMERGENCY_POSITION->[0]);
2016	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2017	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2018
2019	$LINK_MAP->insert ($exit->clone, 19, 19);
2020	$LINK_MAP->insert ($exit->clone, 19, 20);
2021	$LINK_MAP->insert ($exit->clone, 19, 21);
2022	$LINK_MAP->insert ($exit->clone, 20, 19);
2023	$LINK_MAP->insert ($exit->clone, 20, 21);
2024	$LINK_MAP->insert ($exit->clone, 21, 19);
2025	$LINK_MAP->insert ($exit->clone, 21, 20);
2026	$LINK_MAP->insert ($exit->clone, 21, 21);
2027
2028	$exit->destroy;
2029	});
2030
2031	$LINK_MAP->{deny_save} = 1;
2032	$LINK_MAP->{deny_reset} = 1;
2033
2034	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2035	}
2036
2037	register "<global>", __PACKAGE__;
2038		2529
2039	register_command "reload" => sub {	2530	register_command "reload" => sub {
2040	my ($who, $arg) = @_;	2531	my ($who, $arg) = @_;
2041		2532
2042	if ($who->flag (FLAG_WIZ)) {	2533	if ($who->flag (FLAG_WIZ)) {
2043	$who->message ("start of reload.");	2534	$who->message ("reloading server.");
		2535
		2536	# doing reload synchronously and two reloads happen back-to-back,
		2537	# coro crashes during coro_state_free->destroy here.
		2538
		2539	$RELOAD_WATCHER ||= Event->timer (
		2540	reentrant => 0,
		2541	after => 0,
		2542	data => WF_AUTOCANCEL,
		2543	cb => sub {
2044	reload;	2544	reload;
2045	$who->message ("end of reload.");	2545	undef $RELOAD_WATCHER;
		2546	},
		2547	);
2046	}	2548	}
2047	};	2549	};
2048		2550
2049	unshift @INC, $LIBDIR;	2551	unshift @INC, $LIBDIR;
		2552
		2553	my $bug_warning = 0;
2050		2554
2051	$TICK_WATCHER = Event->timer (	2555	$TICK_WATCHER = Event->timer (
2052	reentrant => 0,	2556	reentrant => 0,
		2557	parked => 1,
2053	prio => 0,	2558	prio => 0,
2054	at => $NEXT_TICK || $TICK,	2559	at => $NEXT_TICK || $TICK,
2055	data => WF_AUTOCANCEL,	2560	data => WF_AUTOCANCEL,
2056	cb => sub {	2561	cb => sub {
2057	unless ($FREEZE) {	2562	if ($Coro::current != $Coro::main) {
		2563	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2564	unless ++$bug_warning > 10;
		2565	return;
		2566	}
		2567
		2568	$NOW = Event::time;
		2569
2058	cf::server_tick; # one server iteration	2570	cf::server_tick; # one server iteration
2059	$RUNTIME += $TICK;	2571	$RUNTIME += $TICK;
2060	}
2061
2062	$NEXT_TICK += $TICK;	2572	$NEXT_TICK += $TICK;
		2573
		2574	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2575	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2576	Coro::async_pool {
		2577	write_runtime
		2578	or warn "ERROR: unable to write runtime file: $!";
		2579	};
		2580	}
		2581
		2582	$WAIT_FOR_TICK->broadcast;
		2583	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2584
		2585	# my $AFTER = Event::time;
		2586	# warn $AFTER - $NOW;#d#
2063		2587
2064	# if we are delayed by four ticks or more, skip them all	2588	# if we are delayed by four ticks or more, skip them all
2065	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2589	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2066		2590
2067	$TICK_WATCHER->at ($NEXT_TICK);	2591	$TICK_WATCHER->at ($NEXT_TICK);
2068	$TICK_WATCHER->start;	2592	$TICK_WATCHER->start;
2069	},	2593	},
2070	);	2594	);
2071		2595
		2596	{
2072	IO::AIO::max_poll_time $TICK * 0.2;	2597	BDB::max_poll_time $TICK * 0.1;
2073		2598	$BDB_POLL_WATCHER = Event->io (
2074	Event->io (	2599	reentrant => 0,
2075	fd => IO::AIO::poll_fileno,	2600	fd => BDB::poll_fileno,
2076	poll => 'r',	2601	poll => 'r',
2077	prio => 5,	2602	prio => 0,
2078	data => WF_AUTOCANCEL,
2079	cb => \&IO::AIO::poll_cb,
2080	);
2081
2082	Event->timer (
2083	data => WF_AUTOCANCEL,	2603	data => WF_AUTOCANCEL,
2084	after => 0,	2604	cb => \&BDB::poll_cb,
2085	interval => 10,	2605	);
2086	cb => sub {	2606	BDB::min_parallel 8;
2087	(Coro::unblock_sub {	2607
2088	write_runtime	2608	BDB::set_sync_prepare {
2089	or warn "ERROR: unable to write runtime file: $!";	2609	my $status;
		2610	my $current = $Coro::current;
		2611	(
		2612	sub {
		2613	$status = $!;
		2614	$current->ready; undef $current;
		2615	},
		2616	sub {
		2617	Coro::schedule while defined $current;
		2618	$! = $status;
		2619	},
		2620	)
		2621	};
		2622
		2623	unless ($DB_ENV) {
		2624	$DB_ENV = BDB::db_env_create;
		2625
		2626	cf::sync_job {
		2627	eval {
		2628	BDB::db_env_open
		2629	$DB_ENV,
		2630	$BDB_ENV_DIR,
		2631	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2632	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2633	0666;
		2634
		2635	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2636
		2637	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2638	$DB_ENV->set_lk_detect;
		2639	};
		2640
		2641	cf::cleanup "db_env_open(db): $@" if $@;
2090	})->();	2642	};
2091	},	2643	}
2092	);	2644	}
		2645
		2646	{
		2647	IO::AIO::min_parallel 8;
		2648
		2649	undef $Coro::AIO::WATCHER;
		2650	IO::AIO::max_poll_time $TICK * 0.1;
		2651	$AIO_POLL_WATCHER = Event->io (
		2652	reentrant => 0,
		2653	data => WF_AUTOCANCEL,
		2654	fd => IO::AIO::poll_fileno,
		2655	poll => 'r',
		2656	prio => 6,
		2657	cb => \&IO::AIO::poll_cb,
		2658	);
		2659	}
		2660
		2661	END { cf::emergency_save }
2093		2662
2094	1	2663	1
2095		2664

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