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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.130 by root, Thu Jan 4 00:08:08 2007 UTC vs.
Revision 1.220 by root, Sat Feb 17 23:54:35 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3 ();	13	use Coro 3.5 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use BDB ();
		21	use Data::Dumper;
20	use Digest::MD5;	22	use Digest::MD5;
21	use Fcntl;	23	use Fcntl;
22	use IO::AIO 2.31 ();	24	use IO::AIO 2.32 ();
23	use YAML::Syck ();	25	use YAML::Syck ();
24	use Time::HiRes;	26	use Time::HiRes;
		27	use Compress::LZF;
		28
		29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
25		30
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
		32
		33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
27		34
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	36	$YAML::Syck::ImplicitUnicode = 1;
30		37
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		39
35	our %COMMAND = ();	40	our %COMMAND = ();
36	our %COMMAND_TIME = ();	41	our %COMMAND_TIME = ();
		42
		43	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	44	our %EXTCMD = ();
		45	our %EXT_CORO = (); # coroutines bound to extensions
		46	our %EXT_MAP = (); # pluggable maps
38		47
39	our @EVENT;	48	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	49	our $LIBDIR = datadir . "/ext";
41		50
42	our $TICK = MAX_TIME * 1e-6;	51	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	52	our $TICK_WATCHER;
		53	our $AIO_POLL_WATCHER;
		54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	55	our $NEXT_TICK;
45	our $NOW;	56	our $NOW;
		57	our $USE_FSYNC = 1; # use fsync to write maps - default off
		58
		59	our $BDB_POLL_WATCHER;
		60	our $DB_ENV;
46		61
47	our %CFG;	62	our %CFG;
48		63
49	our $UPTIME; $UPTIME ||= time;	64	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	65	our $RUNTIME;
51		66
		67	our %PLAYER; # all users
52	our %MAP; # all maps	68	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	69	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	70	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	71	our $BDB_ENV_DIR = cf::localdir . "/db";
		72
		73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		75
		76	# used to convert map paths into valid unix filenames by replacing / by ∕
		77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		78
58	binmode STDOUT;	79	binmode STDOUT;
59	binmode STDERR;	80	binmode STDERR;
60		81
61	# read virtual server time, if available	82	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	89	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	90	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	91	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	92	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	93	mkdir $RANDOM_MAPS;
		94	mkdir $BDB_ENV_DIR;
73		95
74	# a special map that is always available	96	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		97
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	98	sub cf::map::normalise;
78		99
79	#############################################################################	100	#############################################################################
80		101
81	=head2 GLOBAL VARIABLES	102	=head2 GLOBAL VARIABLES
82		103
…		…
106		127
107	=item %cf::CFG	128	=item %cf::CFG
108		129
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	130	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	131	from wherever your confdir points to.
		132
		133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		134
		135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		137	processing has been done. Call C<< ->wait >> on them to maximise the
		138	window of cpu time available, or simply to synchronise to the server tick.
111		139
112	=back	140	=back
113		141
114	=cut	142	=cut
115		143
…		…
119	utf8::encode $msg;	147	utf8::encode $msg;
120		148
121	$msg .= "\n"	149	$msg .= "\n"
122	unless $msg =~ /\n$/;	150	unless $msg =~ /\n$/;
123		151
124	LOG llevError, "cfperl: $msg";	152	LOG llevError, $msg;
125	};	153	};
126	}	154	}
127		155
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		175
148	$Event::DIED = sub {	176	$Event::DIED = sub {
149	warn "error in event callback: @_";	177	warn "error in event callback: @_";
150	};	178	};
151		179
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	180	=head2 UTILITY FUNCTIONS
157		181
158	=over 4	182	=over 4
159		183
		184	=item dumpval $ref
		185
160	=cut	186	=cut
		187
		188	sub dumpval {
		189	eval {
		190	local $SIG{__DIE__};
		191	my $d;
		192	if (1) {
		193	$d = new Data::Dumper([$_[0]], ["*var"]);
		194	$d->Terse(1);
		195	$d->Indent(2);
		196	$d->Quotekeys(0);
		197	$d->Useqq(1);
		198	#$d->Bless(...);
		199	$d->Seen($_[1]) if @_ > 1;
		200	$d = $d->Dump();
		201	}
		202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		203	$d
		204	} || "[unable to dump $_[0]: '$@']";
		205	}
161		206
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	207	use JSON::Syck (); # TODO# replace by JSON::PC once working
163		208
164	=item $ref = cf::from_json $json	209	=item $ref = cf::from_json $json
165		210
…		…
181	sub to_json($) {	226	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	228	JSON::Syck::Dump $_[0]
184	}	229	}
185		230
186	=item my $guard = cf::guard { BLOCK }
187
188	Run the given callback when the guard object gets destroyed (useful for
189	coroutine cancellations).
190
191	You can call C<< ->cancel >> on the guard object to stop the block from
192	being executed.
193
194	=cut
195
196	sub guard(&) {
197	bless \(my $cb = $_[0]), cf::guard::;
198	}
199
200	sub cf::guard::cancel {
201	${$_[0]} = sub { };
202	}
203
204	sub cf::guard::DESTROY {
205	${$_[0]}->();
206	}
207
208	=item cf::lock_wait $string	231	=item cf::lock_wait $string
209		232
210	Wait until the given lock is available. See cf::lock_acquire.	233	Wait until the given lock is available. See cf::lock_acquire.
211		234
212	=item my $lock = cf::lock_acquire $string	235	=item my $lock = cf::lock_acquire $string
213		236
214	Wait until the given lock is available and then acquires it and returns	237	Wait until the given lock is available and then acquires it and returns
215	a guard object. If the guard object gets destroyed (goes out of scope,	238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
216	for example when the coroutine gets canceled), the lock is automatically	239	for example when the coroutine gets canceled), the lock is automatically
217	returned.	240	returned.
218		241
219	Lock names should begin with a unique identifier (for example, find_map	242	Lock names should begin with a unique identifier (for example, cf::map::find
220	uses map_find and load_map uses map_load).	243	uses map_find and cf::map::load uses map_load).
221		244
222	=cut	245	=cut
223		246
224	our %LOCK;	247	our %LOCK;
225		248
…		…
239	# wait, to be sure we are not locked	262	# wait, to be sure we are not locked
240	lock_wait $key;	263	lock_wait $key;
241		264
242	$LOCK{$key} = [];	265	$LOCK{$key} = [];
243		266
244	cf::guard {	267	Coro::guard {
245	# wake up all waiters, to be on the safe side	268	# wake up all waiters, to be on the safe side
246	$_->ready for @{ delete $LOCK{$key} };	269	$_->ready for @{ delete $LOCK{$key} };
247	}	270	}
248	}	271	}
249		272
		273	sub freeze_mainloop {
		274	return unless $TICK_WATCHER->is_active;
		275
		276	my $guard = Coro::guard {
		277	$TICK_WATCHER->start;
		278	};
		279	$TICK_WATCHER->stop;
		280	$guard
		281	}
		282
250	=item cf::async { BLOCK }	283	=item cf::async { BLOCK }
251		284
252	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	285	Currently the same as Coro::async_pool, meaning you cannot use
253	error instead of exiting the server in case of a problem.	286	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		287	thing you are allowed to do is call C<prio> on it.
254		288
255	=cut	289	=cut
256		290
257	sub async(&) {	291	BEGIN { *async = \&Coro::async_pool }
258	my ($cb) = @_;
259
260	Coro::async {
261	eval { $cb->() };
262	warn $@ if $@;
263	}
264	}
265		292
266	=item cf::sync_job { BLOCK }	293	=item cf::sync_job { BLOCK }
267		294
268	The design of crossfire+ requires that the main coro ($Coro::main) is	295	The design of crossfire+ requires that the main coro ($Coro::main) is
269	always able to handle events or runnable, as crossfire+ is only partly	296	always able to handle events or runnable, as crossfire+ is only partly
…		…
283	# this is the main coro, too bad, we have to block	310	# this is the main coro, too bad, we have to block
284	# till the operation succeeds, freezing the server :/	311	# till the operation succeeds, freezing the server :/
285		312
286	# TODO: use suspend/resume instead	313	# TODO: use suspend/resume instead
287	# (but this is cancel-safe)	314	# (but this is cancel-safe)
288	local $FREEZE = 1;	315	my $freeze_guard = freeze_mainloop;
289		316
290	my $busy = 1;	317	my $busy = 1;
291	my @res;	318	my @res;
292		319
293	(Coro::async {	320	(async {
294	@res = eval { $job->() };	321	@res = eval { $job->() };
295	warn $@ if $@;	322	warn $@ if $@;
296	undef $busy;	323	undef $busy;
297	})->prio (Coro::PRIO_MAX);	324	})->prio (Coro::PRIO_MAX);
298		325
299	while ($busy) {	326	while ($busy) {
300	Coro::cede_notself;	327	Coro::cede or Event::one_event;
301	Event::one_event unless Coro::nready;
302	}	328	}
303		329
304	wantarray ? @res : $res[0]	330	wantarray ? @res : $res[0]
305	} else {	331	} else {
306	# we are in another coroutine, how wonderful, everything just works	332	# we are in another coroutine, how wonderful, everything just works
307		333
308	$job->()	334	$job->()
309	}	335	}
310	}	336	}
311		337
312	=item $coro = cf::coro { BLOCK }	338	=item $coro = cf::async_ext { BLOCK }
313		339
314	Creates and returns a new coro. This coro is automcatially being canceled	340	Like async, but this coro is automatically being canceled when the
315	when the extension calling this is being unloaded.	341	extension calling this is being unloaded.
316		342
317	=cut	343	=cut
318		344
319	sub coro(&) {	345	sub async_ext(&) {
320	my $cb = shift;	346	my $cb = shift;
321		347
322	my $coro = &cf::async ($cb);	348	my $coro = &Coro::async ($cb);
323		349
324	$coro->on_destroy (sub {	350	$coro->on_destroy (sub {
325	delete $EXT_CORO{$coro+0};	351	delete $EXT_CORO{$coro+0};
326	});	352	});
327	$EXT_CORO{$coro+0} = $coro;	353	$EXT_CORO{$coro+0} = $coro;
328		354
329	$coro	355	$coro
330	}	356	}
331		357
332	sub write_runtime {	358	sub write_runtime {
		359	my $guard = cf::lock_acquire "write_runtime";
		360
333	my $runtime = cf::localdir . "/runtime";	361	my $runtime = cf::localdir . "/runtime";
334		362
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
336	or return;	364	or return;
337		365
		366	my $value = $cf::RUNTIME + 90 + 10;
338	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	367	# 10 is the runtime save interval, for a monotonic clock
		368	# 60 allows for the watchdog to kill the server.
		369
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0	370	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;	371	and return;
341		372
		373	# always fsync - this file is important
342	aio_fsync $fh	374	aio_fsync $fh
343	and return;	375	and return;
344		376
345	close $fh	377	close $fh
346	or return;	378	or return;
…		…
352	}	384	}
353		385
354	=back	386	=back
355		387
356	=cut	388	=cut
357
358	#############################################################################
359
360	package cf::path;
361
362	sub new {
363	my ($class, $path, $base) = @_;
364
365	$path = $path->as_string if ref $path;
366
367	my $self = bless { }, $class;
368
369	# {... are special paths that are not touched
370	# ?xxx/... are special absolute paths
371	# ?random/... random maps
372	# /! non-realised random map exit
373	# /... normal maps
374	# ~/... per-player maps without a specific player (DO NOT USE)
375	# ~user/... per-player map of a specific user
376
377	if ($path =~ /^{/) {
378	# fine as it is
379	} elsif ($path =~ s{^\?random/}{}) {
380	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
381	$self->{random} = cf::from_json $data;
382	} else {
383	if ($path =~ s{^~([^/]+)?}{}) {
384	$self->{user_rel} = 1;
385
386	if (defined $1) {
387	$self->{user} = $1;
388	} elsif ($base =~ m{^~([^/]+)/}) {
389	$self->{user} = $1;
390	} else {
391	warn "cannot resolve user-relative path without user <$path,$base>\n";
392	}
393	} elsif ($path =~ /^\//) {
394	# already absolute
395	} else {
396	$base =~ s{[^/]+/?$}{};
397	return $class->new ("$base/$path");
398	}
399
400	for ($path) {
401	redo if s{/\.?/}{/};
402	redo if s{/[^/]+/\.\./}{/};
403	}
404	}
405
406	$self->{path} = $path;
407
408	$self
409	}
410
411	# the name / primary key / in-game path
412	sub as_string {
413	my ($self) = @_;
414
415	$self->{user_rel} ? "~$self->{user}$self->{path}"
416	: $self->{random} ? "?random/$self->{path}"
417	: $self->{path}
418	}
419
420	# the displayed name, this is a one way mapping
421	sub visible_name {
422	my ($self) = @_;
423
424	# if (my $rmp = $self->{random}) {
425	# # todo: be more intelligent about this
426	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
427	# } else {
428	$self->as_string
429	# }
430	}
431
432	# escape the /'s in the path
433	sub _escaped_path {
434	# ∕ is U+2215
435	(my $path = $_[0]{path}) =~ s/\//∕/g;
436	$path
437	}
438
439	# the original (read-only) location
440	sub load_path {
441	my ($self) = @_;
442
443	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
444	}
445
446	# the temporary/swap location
447	sub save_path {
448	my ($self) = @_;
449
450	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
451	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
452	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
453	}
454
455	# the unique path, might be eq to save_path
456	sub uniq_path {
457	my ($self) = @_;
458
459	$self->{user_rel} || $self->{random}
460	? undef
461	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
462	}
463
464	# return random map parameters, or undef
465	sub random_map_params {
466	my ($self) = @_;
467
468	$self->{random}
469	}
470
471	# this is somewhat ugly, but style maps do need special treatment
472	sub is_style_map {
473	$_[0]{path} =~ m{^/styles/}
474	}
475
476	package cf;
477		389
478	#############################################################################	390	#############################################################################
479		391
480	=head2 ATTACHABLE OBJECTS	392	=head2 ATTACHABLE OBJECTS
481		393
…		…
607	our @CB_TYPE = (); # registry for type (cf-object class) based events	519	our @CB_TYPE = (); # registry for type (cf-object class) based events
608	our @CB_MAP = ();	520	our @CB_MAP = ();
609		521
610	my %attachment;	522	my %attachment;
611		523
		524	sub cf::attachable::thawer_merge {
		525	# simply override everything except _meta
		526	local $_[0]{_meta};
		527	%{$_[0]} = %{$_[1]};
		528	}
		529
612	sub _attach_cb($$$$) {	530	sub _attach_cb($$$$) {
613	my ($registry, $event, $prio, $cb) = @_;	531	my ($registry, $event, $prio, $cb) = @_;
614		532
615	use sort 'stable';	533	use sort 'stable';
616		534
…		…
787	# object support	705	# object support
788		706
789	sub reattach {	707	sub reattach {
790	# basically do the same as instantiate, without calling instantiate	708	# basically do the same as instantiate, without calling instantiate
791	my ($obj) = @_;	709	my ($obj) = @_;
		710
		711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
792		712
793	my $registry = $obj->registry;	713	my $registry = $obj->registry;
794		714
795	@$registry = ();	715	@$registry = ();
796		716
…		…
843	$filename, length $$rdata, scalar @$objs;	763	$filename, length $$rdata, scalar @$objs;
844		764
845	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
846	chmod SAVE_MODE, $fh;	766	chmod SAVE_MODE, $fh;
847	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
848	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
849	close $fh;	769	close $fh;
850		770
851	if (@$objs) {	771	if (@$objs) {
852	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
853	chmod SAVE_MODE, $fh;	773	chmod SAVE_MODE, $fh;
854	my $data = Storable::nfreeze { version => 1, objs => $objs };	774	my $data = Storable::nfreeze { version => 1, objs => $objs };
855	aio_write $fh, 0, (length $data), $data, 0;	775	aio_write $fh, 0, (length $data), $data, 0;
856	aio_fsync $fh;	776	aio_fsync $fh if $cf::USE_FSYNC;
857	close $fh;	777	close $fh;
858	aio_rename "$filename.pst~", "$filename.pst";	778	aio_rename "$filename.pst~", "$filename.pst";
859	}	779	}
860	} else {	780	} else {
861	aio_unlink "$filename.pst";	781	aio_unlink "$filename.pst";
…		…
928	=cut	848	=cut
929		849
930	sub register_extcmd {	850	sub register_extcmd {
931	my ($name, $cb) = @_;	851	my ($name, $cb) = @_;
932		852
933	my $caller = caller;
934	#warn "registering extcmd '$name' to '$caller'";
935
936	$EXTCMD{$name} = [$cb, $caller];	853	$EXTCMD{$name} = $cb;
937	}	854	}
938		855
939	cf::player->attach (	856	cf::player->attach (
940	on_command => sub {	857	on_command => sub {
941	my ($pl, $name, $params) = @_;	858	my ($pl, $name, $params) = @_;
…		…
954		871
955	my $msg = eval { from_json $buf };	872	my $msg = eval { from_json $buf };
956		873
957	if (ref $msg) {	874	if (ref $msg) {
958	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
959	if (my %reply = $cb->[0]->($pl, $msg)) {	876	if (my %reply = $cb->($pl, $msg)) {
960	$pl->ext_reply ($msg->{msgid}, %reply);	877	$pl->ext_reply ($msg->{msgid}, %reply);
961	}	878	}
962	}	879	}
963	} else {	880	} else {
964	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
966		883
967	cf::override;	884	cf::override;
968	},	885	},
969	);	886	);
970		887
971	sub register {
972	my ($base, $pkg) = @_;
973
974	#TODO
975	}
976
977	sub load_extension {	888	sub load_extension {
978	my ($path) = @_;	889	my ($path) = @_;
979		890
980	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
981	my $base = $1;	892	my $base = $1;
982	my $pkg = $1;	893	my $pkg = $1;
983	$pkg =~ s/[^[:word:]]/_/g;	894	$pkg =~ s/[^[:word:]]/_/g;
984	$pkg = "ext::$pkg";	895	$pkg = "ext::$pkg";
985		896
986	warn "loading '$path' into '$pkg'\n";	897	warn "... loading '$path' into '$pkg'\n";
987		898
988	open my $fh, "<:utf8", $path	899	open my $fh, "<:utf8", $path
989	or die "$path: $!";	900	or die "$path: $!";
990		901
991	my $source =	902	my $source =
992	"package $pkg; use strict; use utf8;\n"	903	"package $pkg; use strict; use utf8;\n"
993	. "#line 1 \"$path\"\n{\n"	904	. "#line 1 \"$path\"\n{\n"
994	. (do { local $/; <$fh> })	905	. (do { local $/; <$fh> })
995	. "\n};\n1";	906	. "\n};\n1";
996		907
997	eval $source	908	unless (eval $source) {
998	or die $@ ? "$path: $@\n"	909	my $msg = $@ ? "$path: $@\n"
999	: "extension disabled.\n";	910	: "extension disabled.\n";
1000		911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1001	push @exts, $pkg;	912	warn $@;
1002	$ext_pkg{$base} = $pkg;	913	warn "mandatory extension failed to load, exiting.\n";
1003		914	exit 1;
1004	# no strict 'refs';	915	}
1005	# @{"$pkg\::ISA"} = ext::;	916	die $@;
1006
1007	register $base, $pkg;
1008	}
1009
1010	sub unload_extension {
1011	my ($pkg) = @_;
1012
1013	warn "removing extension $pkg\n";
1014
1015	# remove hooks
1016	#TODO
1017	# for my $idx (0 .. $#PLUGIN_EVENT) {
1018	# delete $hook[$idx]{$pkg};
1019	# }	917	}
1020		918
1021	# remove commands	919	push @EXTS, $pkg;
1022	for my $name (keys %COMMAND) {
1023	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1024
1025	if (@cb) {
1026	$COMMAND{$name} = \@cb;
1027	} else {
1028	delete $COMMAND{$name};
1029	}
1030	}
1031
1032	# remove extcmds
1033	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1034	delete $EXTCMD{$name};
1035	}
1036
1037	if (my $cb = $pkg->can ("unload")) {
1038	eval {
1039	$cb->($pkg);
1040	1
1041	} or warn "$pkg unloaded, but with errors: $@";
1042	}
1043
1044	Symbol::delete_package $pkg;
1045	}	920	}
1046		921
1047	sub load_extensions {	922	sub load_extensions {
1048	for my $ext (<$LIBDIR/*.ext>) {	923	for my $ext (<$LIBDIR/*.ext>) {
1049	next unless -r $ext;	924	next unless -r $ext;
…		…
1053	} or warn "$ext not loaded: $@";	928	} or warn "$ext not loaded: $@";
1054	}	929	}
1055	}	930	}
1056		931
1057	#############################################################################	932	#############################################################################
1058	# load/save/clean perl data associated with a map
1059
1060	*cf::mapsupport::on_clean = sub {
1061	my ($map) = @_;
1062
1063	my $path = $map->tmpname;
1064	defined $path or return;
1065
1066	unlink "$path.pst";
1067	};
1068
1069	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1070
1071	#############################################################################
1072	# load/save perl data associated with player->ob objects
1073
1074	sub all_objects(@) {
1075	@_, map all_objects ($_->inv), @_
1076	}
1077
1078	# TODO: compatibility cruft, remove when no longer needed
1079	cf::player->attach (
1080	on_load => sub {
1081	my ($pl, $path) = @_;
1082
1083	for my $o (all_objects $pl->ob) {
1084	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1085	$o->set_ob_key_value ("_perl_data");
1086
1087	%$o = %{ Storable::thaw pack "H*", $value };
1088	}
1089	}
1090	},
1091	);
1092
1093	#############################################################################
1094		933
1095	=head2 CORE EXTENSIONS	934	=head2 CORE EXTENSIONS
1096		935
1097	Functions and methods that extend core crossfire objects.	936	Functions and methods that extend core crossfire objects.
1098		937
		938	=cut
		939
		940	package cf::player;
		941
		942	use Coro::AIO;
		943
1099	=head3 cf::player	944	=head3 cf::player
1100		945
1101	=over 4	946	=over 4
1102		947
1103	=item cf::player::exists $login	948	=item cf::player::find $login
1104		949
1105	Returns true when the given account exists.	950	Returns the given player object, loading it if necessary (might block).
1106		951
1107	=cut	952	=cut
1108		953
1109	sub cf::player::exists($) {	954	sub playerdir($) {
1110	cf::player::find $_[0]	955	cf::localdir
1111	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	956	. "/"
		957	. cf::playerdir
		958	. "/"
		959	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		960	}
		961
		962	sub path($) {
		963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		964
		965	(playerdir $login) . "/$login.pl"
		966	}
		967
		968	sub find_active($) {
		969	$cf::PLAYER{$_[0]}
		970	and $cf::PLAYER{$_[0]}->active
		971	and $cf::PLAYER{$_[0]}
		972	}
		973
		974	sub exists($) {
		975	my ($login) = @_;
		976
		977	$cf::PLAYER{$login}
		978	or cf::sync_job { !aio_stat path $login }
		979	}
		980
		981	sub find($) {
		982	return $cf::PLAYER{$_[0]} || do {
		983	my $login = $_[0];
		984
		985	my $guard = cf::lock_acquire "user_find:$login";
		986
		987	$cf::PLAYER{$_[0]} || do {
		988	my $pl = load_pl path $login
		989	or return;
		990	$cf::PLAYER{$login} = $pl
		991	}
		992	}
		993	}
		994
		995	sub save($) {
		996	my ($pl) = @_;
		997
		998	return if $pl->{deny_save};
		999
		1000	my $path = path $pl;
		1001	my $guard = cf::lock_acquire "user_save:$path";
		1002
		1003	return if $pl->{deny_save};
		1004
		1005	aio_mkdir playerdir $pl, 0770;
		1006	$pl->{last_save} = $cf::RUNTIME;
		1007
		1008	$pl->save_pl ($path);
		1009	Coro::cede;
		1010	}
		1011
		1012	sub new($) {
		1013	my ($login) = @_;
		1014
		1015	my $self = create;
		1016
		1017	$self->ob->name ($login);
		1018	$self->{deny_save} = 1;
		1019
		1020	$cf::PLAYER{$login} = $self;
		1021
		1022	$self
		1023	}
		1024
		1025	=item $pl->quit_character
		1026
		1027	Nukes the player without looking back. If logged in, the connection will
		1028	be destroyed. May block for a long time.
		1029
		1030	=cut
		1031
		1032	sub quit_character {
		1033	my ($pl) = @_;
		1034
		1035	my $name = $pl->ob->name;
		1036
		1037	$pl->{deny_save} = 1;
		1038	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1039
		1040	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1041	$pl->deactivate;
		1042	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1043	$pl->ns->destroy if $pl->ns;
		1044
		1045	my $path = playerdir $pl;
		1046	my $temp = "$path~$cf::RUNTIME~deleting~";
		1047	aio_rename $path, $temp;
		1048	delete $cf::PLAYER{$pl->ob->name};
		1049	$pl->destroy;
		1050
		1051	my $prefix = qr<^~\Q$name\E/>;
		1052
		1053	# nuke player maps
		1054	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1055
		1056	IO::AIO::aio_rmtree $temp;
		1057	}
		1058
		1059	=item cf::player::list_logins
		1060
		1061	Returns am arrayref of all valid playernames in the system, can take a
		1062	while and may block, so not sync_job-capable, ever.
		1063
		1064	=cut
		1065
		1066	sub list_logins {
		1067	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1068	or return [];
		1069
		1070	my @logins;
		1071
		1072	for my $login (@$dirs) {
		1073	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1074	aio_read $fh, 0, 512, my $buf, 0 or next;
		1075	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1076
		1077	utf8::decode $login;
		1078	push @logins, $login;
		1079	}
		1080
		1081	\@logins
		1082	}
		1083
		1084	=item $player->maps
		1085
		1086	Returns an arrayref of map paths that are private for this
		1087	player. May block.
		1088
		1089	=cut
		1090
		1091	sub maps($) {
		1092	my ($pl) = @_;
		1093
		1094	$pl = ref $pl ? $pl->ob->name : $pl;
		1095
		1096	my $files = aio_readdir playerdir $pl
		1097	or return;
		1098
		1099	my @paths;
		1100
		1101	for (@$files) {
		1102	utf8::decode $_;
		1103	next if /\.(?:pl|pst)$/;
		1104	next unless /^$PATH_SEP/o;
		1105
		1106	push @paths, cf::map::normalise "~$pl/$_";
		1107	}
		1108
		1109	\@paths
1112	}	1110	}
1113		1111
1114	=item $player->ext_reply ($msgid, $msgtype, %msg)	1112	=item $player->ext_reply ($msgid, $msgtype, %msg)
1115		1113
1116	Sends an ext reply to the player.	1114	Sends an ext reply to the player.
1117		1115
1118	=cut	1116	=cut
1119		1117
1120	sub cf::player::ext_reply($$$%) {	1118	sub ext_reply($$$%) {
1121	my ($self, $id, %msg) = @_;	1119	my ($self, $id, %msg) = @_;
1122		1120
1123	$msg{msgid} = $id;	1121	$msg{msgid} = $id;
1124		1122
1125	$self->send ("ext " . to_json \%msg);	1123	$self->send ("ext " . cf::to_json \%msg);
1126	}	1124	}
		1125
		1126	package cf;
1127		1127
1128	=back	1128	=back
1129		1129
1130		1130
1131	=head3 cf::map	1131	=head3 cf::map
…		…
1137	package cf::map;	1137	package cf::map;
1138		1138
1139	use Fcntl;	1139	use Fcntl;
1140	use Coro::AIO;	1140	use Coro::AIO;
1141		1141
		1142	use overload
		1143	'""' => \&as_string,
		1144	fallback => 1;
		1145
1142	our $MAX_RESET = 7200;	1146	our $MAX_RESET = 3600;
1143	our $DEFAULT_RESET = 3600;	1147	our $DEFAULT_RESET = 3000;
1144		1148
1145	sub generate_random_map {	1149	sub generate_random_map {
1146	my ($path, $rmp) = @_;	1150	my ($self, $rmp) = @_;
1147
1148	# mit "rum" bekleckern, nicht	1151	# mit "rum" bekleckern, nicht
1149	cf::map::_create_random_map	1152	$self->_create_random_map (
1150	$path,
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1153	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1154	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1155	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1154	$rmp->{exit_on_final_map},	1156	$rmp->{exit_on_final_map},
1155	$rmp->{xsize}, $rmp->{ysize},	1157	$rmp->{xsize}, $rmp->{ysize},
1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1158	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1159	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1160	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1159	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1161	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1162	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1161	(cf::region::find $rmp->{region})	1163	(cf::region::find $rmp->{region}), $rmp->{custom}
		1164	)
		1165	}
		1166
		1167	=item cf::map->register ($regex, $prio)
		1168
		1169	Register a handler for the map path matching the given regex at the
		1170	givne priority (higher is better, built-in handlers have priority 0, the
		1171	default).
		1172
		1173	=cut
		1174
		1175	sub register {
		1176	my (undef, $regex, $prio) = @_;
		1177	my $pkg = caller;
		1178
		1179	no strict;
		1180	push @{"$pkg\::ISA"}, __PACKAGE__;
		1181
		1182	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1183	}
		1184
		1185	# also paths starting with '/'
		1186	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1187
		1188	sub thawer_merge {
		1189	my ($self, $merge) = @_;
		1190
		1191	# we have to keep some variables in memory intact
		1192	local $self->{path};
		1193	local $self->{load_path};
		1194	local $self->{deny_save};
		1195	local $self->{deny_reset};
		1196
		1197	$self->SUPER::thawer_merge ($merge);
		1198	}
		1199
		1200	sub normalise {
		1201	my ($path, $base) = @_;
		1202
		1203	$path = "$path"; # make sure its a string
		1204
		1205	$path =~ s/\.map$//;
		1206
		1207	# map plan:
		1208	#
		1209	# /! non-realised random map exit (special hack!)
		1210	# {... are special paths that are not being touched
		1211	# ?xxx/... are special absolute paths
		1212	# ?random/... random maps
		1213	# /... normal maps
		1214	# ~user/... per-player map of a specific user
		1215
		1216	$path =~ s/$PATH_SEP/\//go;
		1217
		1218	# treat it as relative path if it starts with
		1219	# something that looks reasonable
		1220	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1221	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1222
		1223	$base =~ s{[^/]+/?$}{};
		1224	$path = "$base/$path";
		1225	}
		1226
		1227	for ($path) {
		1228	redo if s{//}{/};
		1229	redo if s{/\.?/}{/};
		1230	redo if s{/[^/]+/\.\./}{/};
		1231	}
		1232
		1233	$path
		1234	}
		1235
		1236	sub new_from_path {
		1237	my (undef, $path, $base) = @_;
		1238
		1239	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1240
		1241	$path = normalise $path, $base;
		1242
		1243	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1244	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1245	my $self = bless cf::map::new, $pkg;
		1246	$self->{path} = $path; $self->path ($path);
		1247	$self->init; # pass $1 etc.
		1248	return $self;
		1249	}
		1250	}
		1251
		1252	Carp::carp "unable to resolve path '$path' (base '$base').";
		1253	()
		1254	}
		1255
		1256	sub init {
		1257	my ($self) = @_;
		1258
		1259	$self
		1260	}
		1261
		1262	sub as_string {
		1263	my ($self) = @_;
		1264
		1265	"$self->{path}"
		1266	}
		1267
		1268	# the displayed name, this is a one way mapping
		1269	sub visible_name {
		1270	&as_string
		1271	}
		1272
		1273	# the original (read-only) location
		1274	sub load_path {
		1275	my ($self) = @_;
		1276
		1277	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1278	}
		1279
		1280	# the temporary/swap location
		1281	sub save_path {
		1282	my ($self) = @_;
		1283
		1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1285	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1286	}
		1287
		1288	# the unique path, undef == no special unique path
		1289	sub uniq_path {
		1290	my ($self) = @_;
		1291
		1292	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1293	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1162	}	1294	}
1163		1295
1164	# and all this just because we cannot iterate over	1296	# and all this just because we cannot iterate over
1165	# all maps in C++...	1297	# all maps in C++...
1166	sub change_all_map_light {	1298	sub change_all_map_light {
…		…
1168		1300
1169	$_->change_map_light ($change)	1301	$_->change_map_light ($change)
1170	for grep $_->outdoor, values %cf::MAP;	1302	for grep $_->outdoor, values %cf::MAP;
1171	}	1303	}
1172		1304
		1305	sub unlink_save {
		1306	my ($self) = @_;
		1307
		1308	utf8::encode (my $save = $self->save_path);
		1309	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1311	}
		1312
1173	sub try_load_header($) {	1313	sub load_header_from($) {
1174	my ($path) = @_;	1314	my ($self, $path) = @_;
1175		1315
1176	utf8::encode $path;	1316	utf8::encode $path;
1177	aio_open $path, O_RDONLY, 0	1317	#aio_open $path, O_RDONLY, 0
		1318	# or return;
		1319
		1320	$self->_load_header ($path)
1178	or return;	1321	or return;
1179		1322
1180	my $map = cf::map::new	1323	$self->{load_path} = $path;
		1324
		1325	1
		1326	}
		1327
		1328	sub load_header_orig {
		1329	my ($self) = @_;
		1330
		1331	$self->load_header_from ($self->load_path)
		1332	}
		1333
		1334	sub load_header_temp {
		1335	my ($self) = @_;
		1336
		1337	$self->load_header_from ($self->save_path)
		1338	}
		1339
		1340	sub prepare_temp {
		1341	my ($self) = @_;
		1342
		1343	$self->last_access ((delete $self->{last_access})
		1344	|| $cf::RUNTIME); #d#
		1345	# safety
		1346	$self->{instantiate_time} = $cf::RUNTIME
		1347	if $self->{instantiate_time} > $cf::RUNTIME;
		1348	}
		1349
		1350	sub prepare_orig {
		1351	my ($self) = @_;
		1352
		1353	$self->{load_original} = 1;
		1354	$self->{instantiate_time} = $cf::RUNTIME;
		1355	$self->last_access ($cf::RUNTIME);
		1356	$self->instantiate;
		1357	}
		1358
		1359	sub load_header {
		1360	my ($self) = @_;
		1361
		1362	if ($self->load_header_temp) {
		1363	$self->prepare_temp;
		1364	} else {
		1365	$self->load_header_orig
1181	or return;	1366	or return;
		1367	$self->prepare_orig;
		1368	}
1182		1369
1183	$map->load_header ($path)	1370	1
1184	or return;
1185
1186	$map->{load_path} = $path;
1187
1188	$map
1189	}	1371	}
1190		1372
1191	sub find_map;	1373	sub find;
1192	sub find_map {	1374	sub find {
1193	my ($path, $origin) = @_;	1375	my ($path, $origin) = @_;
1194		1376
1195	#warn "find_map<$path,$origin>\n";#d#
1196
1197	$path = new cf::path $path, $origin && $origin->path;	1377	$path = normalise $path, $origin && $origin->path;
1198	my $key = $path->as_string;
1199		1378
1200	cf::lock_wait "map_find:$key";	1379	cf::lock_wait "map_find:$path";
1201		1380
1202	$cf::MAP{$key} || do {	1381	$cf::MAP{$path} || do {
1203	my $guard = cf::lock_acquire "map_find:$key";	1382	my $guard = cf::lock_acquire "map_find:$path";
1204		1383	my $map = new_from_path cf::map $path
1205	# do it the slow way
1206	my $map = try_load_header $path->save_path;
1207
1208	if ($map) {
1209	# safety
1210	$map->{instantiate_time} = $cf::RUNTIME
1211	if $map->{instantiate_time} > $cf::RUNTIME;
1212	} else {
1213	if (my $rmp = $path->random_map_params) {
1214	$map = generate_random_map $key, $rmp;
1215	} else {
1216	$map = try_load_header $path->load_path;
1217	}
1218
1219	$map or return;	1384	or return;
1220		1385
1221	$map->{load_original} = 1;
1222	$map->{instantiate_time} = $cf::RUNTIME;
1223	$map->instantiate;
1224
1225	# per-player maps become, after loading, normal maps
1226	$map->per_player (0) if $path->{user_rel};
1227	}
1228
1229	$map->path ($key);
1230	$map->{path} = $path;
1231	$map->{last_save} = $cf::RUNTIME;	1386	$map->{last_save} = $cf::RUNTIME;
1232	$map->last_access ($cf::RUNTIME);
1233		1387
1234	if ($map->should_reset) {	1388	$map->load_header
		1389	or return;
		1390
		1391	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1392	# doing this can freeze the server in a sync job, obviously
		1393	#$cf::WAIT_FOR_TICK->wait;
1235	$map->reset;	1394	$map->reset;
1236	undef $guard;	1395	undef $guard;
1237	$map = find_map $path	1396	return find $path;
1238	or return;
1239	}	1397	}
1240		1398
1241	$cf::MAP{$key} = $map	1399	$cf::MAP{$path} = $map
1242	}	1400	}
1243	}	1401	}
		1402
		1403	sub pre_load { }
		1404	sub post_load { }
1244		1405
1245	sub load {	1406	sub load {
1246	my ($self) = @_;	1407	my ($self) = @_;
1247		1408
		1409	local $self->{deny_reset} = 1; # loading can take a long time
		1410
1248	my $path = $self->{path};	1411	my $path = $self->{path};
1249	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1412	my $guard = cf::lock_acquire "map_load:$path";
1250		1413
1251	return if $self->in_memory != cf::MAP_SWAPPED;	1414	return if $self->in_memory != cf::MAP_SWAPPED;
1252		1415
1253	$self->in_memory (cf::MAP_LOADING);	1416	$self->in_memory (cf::MAP_LOADING);
1254		1417
1255	$self->alloc;	1418	$self->alloc;
		1419
		1420	$self->pre_load;
		1421
1256	$self->load_objects ($self->{load_path}, 1)	1422	$self->_load_objects ($self->{load_path}, 1)
1257	or return;	1423	or return;
1258		1424
1259	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1425	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1260	if delete $self->{load_original};	1426	if delete $self->{load_original};
1261		1427
1262	if (my $uniq = $path->uniq_path) {	1428	if (my $uniq = $self->uniq_path) {
1263	utf8::encode $uniq;	1429	utf8::encode $uniq;
1264	if (aio_open $uniq, O_RDONLY, 0) {	1430	if (aio_open $uniq, O_RDONLY, 0) {
1265	$self->clear_unique_items;	1431	$self->clear_unique_items;
1266	$self->load_objects ($uniq, 0);	1432	$self->_load_objects ($uniq, 0);
1267	}	1433	}
1268	}	1434	}
		1435
		1436	Coro::cede;
1269		1437
1270	# now do the right thing for maps	1438	# now do the right thing for maps
1271	$self->link_multipart_objects;	1439	$self->link_multipart_objects;
1272		1440
1273	if ($self->{path}->is_style_map) {	1441	unless ($self->{deny_activate}) {
1274	$self->{deny_save} = 1;	1442	$self->decay_objects;
1275	$self->{deny_reset} = 1;
1276	} else {
1277	$self->fix_auto_apply;	1443	$self->fix_auto_apply;
1278	$self->decay_objects;
1279	$self->update_buttons;	1444	$self->update_buttons;
		1445	Coro::cede;
1280	$self->set_darkness_map;	1446	$self->set_darkness_map;
1281	$self->difficulty ($self->estimate_difficulty)	1447	$self->difficulty ($self->estimate_difficulty)
1282	unless $self->difficulty;	1448	unless $self->difficulty;
		1449	Coro::cede;
1283	$self->activate;	1450	$self->activate;
1284	}	1451	}
1285		1452
		1453	$self->post_load;
		1454
1286	$self->in_memory (cf::MAP_IN_MEMORY);	1455	$self->in_memory (cf::MAP_IN_MEMORY);
1287	}	1456	}
1288		1457
1289	sub load_map_sync {	1458	sub customise_for {
		1459	my ($self, $ob) = @_;
		1460
		1461	return find "~" . $ob->name . "/" . $self->{path}
		1462	if $self->per_player;
		1463
		1464	$self
		1465	}
		1466
		1467	# find and load all maps in the 3x3 area around a map
		1468	sub load_diag {
		1469	my ($map) = @_;
		1470
		1471	my @diag; # diagonal neighbours
		1472
		1473	for (0 .. 3) {
		1474	my $neigh = $map->tile_path ($_)
		1475	or next;
		1476	$neigh = find $neigh, $map
		1477	or next;
		1478	$neigh->load;
		1479
		1480	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1481	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1482	}
		1483
		1484	for (@diag) {
		1485	my $neigh = find @$_
		1486	or next;
		1487	$neigh->load;
		1488	}
		1489	}
		1490
		1491	sub find_sync {
1290	my ($path, $origin) = @_;	1492	my ($path, $origin) = @_;
1291		1493
1292	#warn "load_map_sync<$path, $origin>\n";#d#	1494	cf::sync_job { find $path, $origin }
		1495	}
1293		1496
1294	cf::sync_job {	1497	sub do_load_sync {
1295	my $map = cf::map::find_map $path, $origin	1498	my ($map) = @_;
1296	or return;	1499
		1500	cf::sync_job { $map->load };
		1501	}
		1502
		1503	our %MAP_PREFETCH;
		1504	our $MAP_PREFETCHER = undef;
		1505
		1506	sub find_async {
		1507	my ($path, $origin) = @_;
		1508
		1509	$path = normalise $path, $origin && $origin->{path};
		1510
		1511	if (my $map = $cf::MAP{$path}) {
		1512	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1513	}
		1514
		1515	undef $MAP_PREFETCH{$path};
		1516	$MAP_PREFETCHER ||= cf::async {
		1517	while (%MAP_PREFETCH) {
		1518	for my $path (keys %MAP_PREFETCH) {
		1519	my $map = find $path
		1520	or next;
1297	$map->load;	1521	$map->load;
1298	$map	1522
		1523	delete $MAP_PREFETCH{$path};
		1524	}
		1525	}
		1526	undef $MAP_PREFETCHER;
1299	}	1527	};
		1528	$MAP_PREFETCHER->prio (6);
		1529
		1530	()
1300	}	1531	}
1301		1532
1302	sub save {	1533	sub save {
1303	my ($self) = @_;	1534	my ($self) = @_;
1304		1535
		1536	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1537
1305	$self->{last_save} = $cf::RUNTIME;	1538	$self->{last_save} = $cf::RUNTIME;
1306		1539
1307	return unless $self->dirty;	1540	return unless $self->dirty;
1308		1541
1309	my $save = $self->{path}->save_path; utf8::encode $save;	1542	my $save = $self->save_path; utf8::encode $save;
1310	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1543	my $uniq = $self->uniq_path; utf8::encode $uniq;
1311		1544
1312	$self->{load_path} = $save;	1545	$self->{load_path} = $save;
1313		1546
1314	return if $self->{deny_save};	1547	return if $self->{deny_save};
1315		1548
		1549	local $self->{last_access} = $self->last_access;#d#
		1550
		1551	cf::async {
		1552	$_->contr->save for $self->players;
		1553	};
		1554
1316	if ($uniq) {	1555	if ($uniq) {
1317	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1556	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318	$self->save_objects ($uniq, cf::IO_UNIQUES);	1557	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1319	} else {	1558	} else {
1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1321	}	1560	}
1322	}	1561	}
1323		1562
1324	sub swap_out {	1563	sub swap_out {
1325	my ($self) = @_;	1564	my ($self) = @_;
1326		1565
1327	# save first because save cedes	1566	# save first because save cedes
1328	$self->save;	1567	$self->save;
		1568
		1569	my $lock = cf::lock_acquire "map_data:" . $self->path;
1329		1570
1330	return if $self->players;	1571	return if $self->players;
1331	return if $self->in_memory != cf::MAP_IN_MEMORY;	1572	return if $self->in_memory != cf::MAP_IN_MEMORY;
1332	return if $self->{deny_save};	1573	return if $self->{deny_save};
1333		1574
…		…
1337		1578
1338	sub reset_at {	1579	sub reset_at {
1339	my ($self) = @_;	1580	my ($self) = @_;
1340		1581
1341	# TODO: safety, remove and allow resettable per-player maps	1582	# TODO: safety, remove and allow resettable per-player maps
1342	return 1e99 if $self->{path}{user_rel};	1583	return 1e99 if $self->isa ("ext::map_per_player");#d#
1343	return 1e99 if $self->{deny_reset};	1584	return 1e99 if $self->{deny_reset};
1344		1585
1345	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1586	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1346	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1587	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1347		1588
…		…
1352	my ($self) = @_;	1593	my ($self) = @_;
1353		1594
1354	$self->reset_at <= $cf::RUNTIME	1595	$self->reset_at <= $cf::RUNTIME
1355	}	1596	}
1356		1597
1357	sub unlink_save {
1358	my ($self) = @_;
1359
1360	utf8::encode (my $save = $self->{path}->save_path);
1361	aioreq_pri 3; IO::AIO::aio_unlink $save;
1362	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1363	}
1364
1365	sub rename {
1366	my ($self, $new_path) = @_;
1367
1368	$self->unlink_save;
1369
1370	delete $cf::MAP{$self->path};
1371	$self->{path} = new cf::path $new_path;
1372	$self->path ($self->{path}->as_string);
1373	$cf::MAP{$self->path} = $self;
1374
1375	$self->save;
1376	}
1377
1378	sub reset {	1598	sub reset {
1379	my ($self) = @_;	1599	my ($self) = @_;
1380		1600
		1601	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1602
1381	return if $self->players;	1603	return if $self->players;
1382	return if $self->{path}{user_rel};#d#	1604	return if $self->isa ("ext::map_per_player");#d#
1383		1605
1384	warn "resetting map ", $self->path;#d#	1606	warn "resetting map ", $self->path;#d#
1385		1607
		1608	$self->in_memory (cf::MAP_SWAPPED);
		1609
		1610	# need to save uniques path
		1611	unless ($self->{deny_save}) {
		1612	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1613
		1614	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1615	if $uniq;
		1616	}
		1617
1386	delete $cf::MAP{$self->path};	1618	delete $cf::MAP{$self->path};
		1619
		1620	$self->clear;
1387		1621
1388	$_->clear_links_to ($self) for values %cf::MAP;	1622	$_->clear_links_to ($self) for values %cf::MAP;
1389		1623
1390	$self->unlink_save;	1624	$self->unlink_save;
1391	$self->destroy;	1625	$self->destroy;
…		…
1394	my $nuke_counter = "aaaa";	1628	my $nuke_counter = "aaaa";
1395		1629
1396	sub nuke {	1630	sub nuke {
1397	my ($self) = @_;	1631	my ($self) = @_;
1398		1632
		1633	delete $cf::MAP{$self->path};
		1634
		1635	$self->unlink_save;
		1636
		1637	bless $self, "cf::map";
		1638	delete $self->{deny_reset};
1399	$self->{deny_save} = 1;	1639	$self->{deny_save} = 1;
1400	$self->reset_timeout (1);	1640	$self->reset_timeout (1);
1401	$self->rename ("{nuke}/" . ($nuke_counter++));	1641	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1642
		1643	$cf::MAP{$self->path} = $self;
		1644
1402	$self->reset; # polite request, might not happen	1645	$self->reset; # polite request, might not happen
1403	}	1646	}
1404		1647
1405	sub customise_for {	1648	=item cf::map::unique_maps
1406	my ($map, $ob) = @_;
1407		1649
1408	if ($map->per_player) {	1650	Returns an arrayref of paths of all shared maps that have
1409	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1651	instantiated unique items. May block.
1410	}
1411		1652
1412	$map	1653	=cut
1413	}
1414		1654
1415	sub emergency_save {	1655	sub unique_maps() {
1416	local $cf::FREEZE = 1;	1656	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1657	or return;
1417		1658
1418	warn "enter emergency map save\n";	1659	my @paths;
1419		1660
1420	cf::sync_job {	1661	for (@$files) {
1421	warn "begin emergency map save\n";	1662	utf8::decode $_;
1422	$_->save for values %cf::MAP;	1663	next if /\.pst$/;
		1664	next unless /^$PATH_SEP/o;
		1665
		1666	push @paths, cf::map::normalise $_;
1423	};	1667	}
1424		1668
1425	warn "end emergency map save\n";	1669	\@paths
1426	}	1670	}
1427		1671
1428	package cf;	1672	package cf;
1429		1673
1430	=back	1674	=back
1431		1675
		1676	=head3 cf::object
		1677
		1678	=cut
		1679
		1680	package cf::object;
		1681
		1682	=over 4
		1683
		1684	=item $ob->inv_recursive
		1685
		1686	Returns the inventory of the object _and_ their inventories, recursively.
		1687
		1688	=cut
		1689
		1690	sub inv_recursive_;
		1691	sub inv_recursive_ {
		1692	map { $_, inv_recursive_ $_->inv } @_
		1693	}
		1694
		1695	sub inv_recursive {
		1696	inv_recursive_ inv $_[0]
		1697	}
		1698
		1699	package cf;
		1700
		1701	=back
1432		1702
1433	=head3 cf::object::player	1703	=head3 cf::object::player
1434		1704
1435	=over 4	1705	=over 4
1436		1706
…		…
1476		1746
1477	=item $player_object->enter_link	1747	=item $player_object->enter_link
1478		1748
1479	Freezes the player and moves him/her to a special map (C<{link}>).	1749	Freezes the player and moves him/her to a special map (C<{link}>).
1480		1750
1481	The player should be reaosnably safe there for short amounts of time. You	1751	The player should be reasonably safe there for short amounts of time. You
1482	I<MUST> call C<leave_link> as soon as possible, though.	1752	I<MUST> call C<leave_link> as soon as possible, though.
1483		1753
		1754	Will never block.
		1755
1484	=item $player_object->leave_link ($map, $x, $y)	1756	=item $player_object->leave_link ($map, $x, $y)
1485		1757
1486	Moves the player out of the specila link map onto the given map. If the	1758	Moves the player out of the special C<{link}> map onto the specified
1487	map is not valid (or omitted), the player will be moved back to the	1759	map. If the map is not valid (or omitted), the player will be moved back
1488	location he/she was before the call to C<enter_link>, or, if that fails,	1760	to the location he/she was before the call to C<enter_link>, or, if that
1489	to the emergency map position.	1761	fails, to the emergency map position.
1490		1762
1491	Might block.	1763	Might block.
1492		1764
1493	=cut	1765	=cut
		1766
		1767	sub link_map {
		1768	unless ($LINK_MAP) {
		1769	$LINK_MAP = cf::map::find "{link}"
		1770	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1771	$LINK_MAP->load;
		1772	}
		1773
		1774	$LINK_MAP
		1775	}
1494		1776
1495	sub cf::object::player::enter_link {	1777	sub cf::object::player::enter_link {
1496	my ($self) = @_;	1778	my ($self) = @_;
1497		1779
1498	$self->deactivate_recursive;	1780	$self->deactivate_recursive;
1499		1781
1500	return if $self->map == $LINK_MAP;	1782	return if UNIVERSAL::isa $self->map, "ext::map_link";
1501		1783
1502	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1784	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1503	if $self->map;	1785	if $self->map;
1504		1786
1505	$self->enter_map ($LINK_MAP, 20, 20);	1787	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1506	}	1788	}
1507		1789
1508	sub cf::object::player::leave_link {	1790	sub cf::object::player::leave_link {
1509	my ($self, $map, $x, $y) = @_;	1791	my ($self, $map, $x, $y) = @_;
1510		1792
1511	my $link_pos = delete $self->{_link_pos};	1793	my $link_pos = delete $self->{_link_pos};
1512		1794
1513	unless ($map) {	1795	unless ($map) {
1514	# restore original map position	1796	# restore original map position
1515	($map, $x, $y) = @{ $link_pos || [] };	1797	($map, $x, $y) = @{ $link_pos || [] };
1516	$map = cf::map::find_map $map;	1798	$map = cf::map::find $map;
1517		1799
1518	unless ($map) {	1800	unless ($map) {
1519	($map, $x, $y) = @$EMERGENCY_POSITION;	1801	($map, $x, $y) = @$EMERGENCY_POSITION;
1520	$map = cf::map::find_map $map	1802	$map = cf::map::find $map
1521	or die "FATAL: cannot load emergency map\n";	1803	or die "FATAL: cannot load emergency map\n";
1522	}	1804	}
1523	}	1805	}
1524		1806
1525	($x, $y) = (-1, -1)	1807	($x, $y) = (-1, -1)
…		…
1528	# use -1 or undef as default coordinates, not 0, 0	1810	# use -1 or undef as default coordinates, not 0, 0
1529	($x, $y) = ($map->enter_x, $map->enter_y)	1811	($x, $y) = ($map->enter_x, $map->enter_y)
1530	if $x <=0 && $y <= 0;	1812	if $x <=0 && $y <= 0;
1531		1813
1532	$map->load;	1814	$map->load;
		1815	$map->load_diag;
1533		1816
		1817	return unless $self->contr->active;
1534	$self->activate_recursive;	1818	$self->activate_recursive;
		1819
		1820	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1535	$self->enter_map ($map, $x, $y);	1821	$self->enter_map ($map, $x, $y);
1536	}	1822	}
1537		1823
1538	cf::player->attach (	1824	cf::player->attach (
1539	on_logout => sub {	1825	on_logout => sub {
…		…
1551		1837
1552	# try to abort aborted map switching on player login :)	1838	# try to abort aborted map switching on player login :)
1553	# should happen only on crashes	1839	# should happen only on crashes
1554	if ($pl->ob->{_link_pos}) {	1840	if ($pl->ob->{_link_pos}) {
1555	$pl->ob->enter_link;	1841	$pl->ob->enter_link;
1556	cf::async {	1842	(async {
		1843	$pl->ob->reply (undef,
		1844	"There was an internal problem at your last logout, "
		1845	. "the server will try to bring you to your intended destination in a second.",
		1846	cf::NDI_RED);
1557	# we need this sleep as the login has a concurrent enter_exit running	1847	# we need this sleep as the login has a concurrent enter_exit running
1558	# and this sleep increases chances of the player not ending up in scorn	1848	# and this sleep increases chances of the player not ending up in scorn
1559	Coro::Timer::sleep 1;	1849	Coro::Timer::sleep 1;
1560	$pl->ob->leave_link;	1850	$pl->ob->leave_link;
1561	};	1851	})->prio (2);
1562	}	1852	}
1563	},	1853	},
1564	);	1854	);
1565		1855
1566	=item $player_object->goto_map ($path, $x, $y)	1856	=item $player_object->goto ($path, $x, $y)
1567		1857
1568	=cut	1858	=cut
1569		1859
1570	sub cf::object::player::goto_map {	1860	sub cf::object::player::goto {
1571	my ($self, $path, $x, $y) = @_;	1861	my ($self, $path, $x, $y) = @_;
1572		1862
1573	$self->enter_link;	1863	$self->enter_link;
1574		1864
1575	(cf::async {	1865	(async {
1576	$path = new cf::path $path;	1866	my $map = eval {
1577
1578	my $map = cf::map::find_map $path->as_string;	1867	my $map = cf::map::find $path;
1579	$map = $map->customise_for ($self) if $map;	1868	$map = $map->customise_for ($self) if $map;
1580		1869	$map
1581	# warn "entering ", $map->path, " at ($x, $y)\n"	1870	} or
1582	# if $map;
1583
1584	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1871	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1585		1872
1586	$self->leave_link ($map, $x, $y);	1873	$self->leave_link ($map, $x, $y);
1587	})->prio (1);	1874	})->prio (1);
1588	}	1875	}
1589		1876
…		…
1593		1880
1594	sub parse_random_map_params {	1881	sub parse_random_map_params {
1595	my ($spec) = @_;	1882	my ($spec) = @_;
1596		1883
1597	my $rmp = { # defaults	1884	my $rmp = { # defaults
1598	xsize => 10,	1885	xsize => (cf::rndm 15, 40),
1599	ysize => 10,	1886	ysize => (cf::rndm 15, 40),
		1887	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1888	#layout => string,
1600	};	1889	};
1601		1890
1602	for (split /\n/, $spec) {	1891	for (split /\n/, $spec) {
1603	my ($k, $v) = split /\s+/, $_, 2;	1892	my ($k, $v) = split /\s+/, $_, 2;
1604		1893
…		…
1608	$rmp	1897	$rmp
1609	}	1898	}
1610		1899
1611	sub prepare_random_map {	1900	sub prepare_random_map {
1612	my ($exit) = @_;	1901	my ($exit) = @_;
		1902
		1903	my $guard = cf::lock_acquire "exit_prepare:$exit";
1613		1904
1614	# all this does is basically replace the /! path by	1905	# all this does is basically replace the /! path by
1615	# a new random map path (?random/...) with a seed	1906	# a new random map path (?random/...) with a seed
1616	# that depends on the exit object	1907	# that depends on the exit object
1617		1908
1618	my $rmp = parse_random_map_params $exit->msg;	1909	my $rmp = parse_random_map_params $exit->msg;
1619		1910
1620	if ($exit->map) {	1911	if ($exit->map) {
1621	$rmp->{region} = $exit->map->region_name;	1912	$rmp->{region} = $exit->region->name;
1622	$rmp->{origin_map} = $exit->map->path;	1913	$rmp->{origin_map} = $exit->map->path;
1623	$rmp->{origin_x} = $exit->x;	1914	$rmp->{origin_x} = $exit->x;
1624	$rmp->{origin_y} = $exit->y;	1915	$rmp->{origin_y} = $exit->y;
1625	}	1916	}
1626		1917
1627	$rmp->{random_seed} ||= $exit->random_seed;	1918	$rmp->{random_seed} ||= $exit->random_seed;
1628		1919
1629	my $data = cf::to_json $rmp;	1920	my $data = cf::to_json $rmp;
1630	my $md5 = Digest::MD5::md5_hex $data;	1921	my $md5 = Digest::MD5::md5_hex $data;
		1922	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1631		1923
1632	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1924	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1633	aio_write $fh, 0, (length $data), $data, 0;	1925	aio_write $fh, 0, (length $data), $data, 0;
		1926	undef $fh;
		1927	aio_rename "$meta~", $meta;
1634		1928
1635	$exit->slaying ("?random/$md5");	1929	$exit->slaying ("?random/$md5");
1636	$exit->msg (undef);	1930	$exit->msg (undef);
1637	}	1931	}
1638	}	1932	}
…		…
1640	sub cf::object::player::enter_exit {	1934	sub cf::object::player::enter_exit {
1641	my ($self, $exit) = @_;	1935	my ($self, $exit) = @_;
1642		1936
1643	return unless $self->type == cf::PLAYER;	1937	return unless $self->type == cf::PLAYER;
1644		1938
		1939	if ($exit->slaying eq "/!") {
		1940	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1941	cf::sync_job { prepare_random_map $exit };
		1942	}
		1943
		1944	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1945	my $hp = $exit->stats->hp;
		1946	my $sp = $exit->stats->sp;
		1947
1645	$self->enter_link;	1948	$self->enter_link;
1646		1949
1647	(cf::async {	1950	(async {
		1951	$self->deactivate_recursive; # just to be sure
1648	unless (eval {	1952	unless (eval {
1649	prepare_random_map $exit	1953	$self->goto ($slaying, $hp, $sp);
1650	if $exit->slaying eq "/!";
1651
1652	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1653	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1654		1954
1655	1;	1955	1;
1656	}) {	1956	}) {
1657	$self->message ("Something went wrong deep within the crossfire server. "	1957	$self->message ("Something went wrong deep within the crossfire server. "
1658	. "I'll try to bring you back to the map you were before. "	1958	. "I'll try to bring you back to the map you were before. "
1659	. "Please report this to the dungeon master",	1959	. "Please report this to the dungeon master!",
1660	cf::NDI_UNIQUE | cf::NDI_RED);	1960	cf::NDI_UNIQUE | cf::NDI_RED);
1661		1961
1662	warn "ERROR in enter_exit: $@";	1962	warn "ERROR in enter_exit: $@";
1663	$self->leave_link;	1963	$self->leave_link;
1664	}	1964	}
…		…
1719	# get handled first	2019	# get handled first
1720	my $queue = delete $ns->{query_queue}	2020	my $queue = delete $ns->{query_queue}
1721	or return; # be conservative, not sure how that can happen, but we saw a crash here	2021	or return; # be conservative, not sure how that can happen, but we saw a crash here
1722		2022
1723	(shift @$queue)->[1]->($msg);	2023	(shift @$queue)->[1]->($msg);
		2024	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1724		2025
1725	push @{ $ns->{query_queue} }, @$queue;	2026	push @{ $ns->{query_queue} }, @$queue;
1726		2027
1727	if (@{ $ns->{query_queue} } == @$queue) {	2028	if (@{ $ns->{query_queue} } == @$queue) {
1728	if (@$queue) {	2029	if (@$queue) {
…		…
1732	}	2033	}
1733	}	2034	}
1734	},	2035	},
1735	);	2036	);
1736		2037
1737	=item $client->coro (\&cb)	2038	=item $client->async (\&cb)
1738		2039
1739	Create a new coroutine, running the specified callback. The coroutine will	2040	Create a new coroutine, running the specified callback. The coroutine will
1740	be automatically cancelled when the client gets destroyed (e.g. on logout,	2041	be automatically cancelled when the client gets destroyed (e.g. on logout,
1741	or loss of connection).	2042	or loss of connection).
1742		2043
1743	=cut	2044	=cut
1744		2045
1745	sub cf::client::coro {	2046	sub cf::client::async {
1746	my ($self, $cb) = @_;	2047	my ($self, $cb) = @_;
1747		2048
1748	my $coro = &cf::async ($cb);	2049	my $coro = &Coro::async ($cb);
1749		2050
1750	$coro->on_destroy (sub {	2051	$coro->on_destroy (sub {
1751	delete $self->{_coro}{$coro+0};	2052	delete $self->{_coro}{$coro+0};
1752	});	2053	});
1753		2054
…		…
1889	The parameter C<$family> should best start with the name of the extension	2190	The parameter C<$family> should best start with the name of the extension
1890	using it, it should be unique.	2191	using it, it should be unique.
1891		2192
1892	=over 4	2193	=over 4
1893		2194
1894	=item $hashref = cf::db_get $family
1895
1896	Return a hashref for use by the extension C<$family>, which can be
1897	modified. After modifications, you have to call C<cf::db_dirty> or
1898	C<cf::db_sync>.
1899
1900	=item $value = cf::db_get $family => $key	2195	=item $value = cf::db_get $family => $key
1901		2196
1902	Returns a single value from the database	2197	Returns a single value from the database.
1903
1904	=item cf::db_put $family => $hashref
1905
1906	Stores the given family hashref into the database. Updates are delayed, if
1907	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1908		2198
1909	=item cf::db_put $family => $key => $value	2199	=item cf::db_put $family => $key => $value
1910		2200
1911	Stores the given C<$value> in the family hash. Updates are delayed, if you	2201	Stores the given C<$value> in the family.
1912	want the data to be synced to disk immediately, use C<cf::db_sync>.
1913
1914	=item cf::db_dirty
1915
1916	Marks the database as dirty, to be updated at a later time.
1917
1918	=item cf::db_sync
1919
1920	Immediately write the database to disk I<if it is dirty>.
1921		2202
1922	=cut	2203	=cut
1923		2204
1924	our $DB;	2205	our $DB;
1925		2206
1926	{	2207	sub db_init {
		2208	unless ($DB) {
		2209	$DB = BDB::db_create $DB_ENV;
		2210
		2211	cf::sync_job {
		2212	eval {
		2213	$DB->set_flags (BDB::CHKSUM);
		2214
		2215	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2216	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2217	cf::cleanup "db_open(db): $!" if $!;
		2218	};
		2219	cf::cleanup "db_open(db): $@" if $@;
		2220	};
		2221
1927	my $path = cf::localdir . "/database.pst";	2222	my $path = cf::localdir . "/database.pst";
		2223	if (stat $path) {
		2224	cf::sync_job {
		2225	my $pst = Storable::retrieve $path;
1928		2226
1929	sub db_load() {	2227	cf::db_put (board => data => $pst->{board});
1930	$DB = stat $path ? Storable::retrieve $path : { };	2228	cf::db_put (guildrules => data => $pst->{guildrules});
1931	}	2229	cf::db_put (rent => balance => $pst->{rent}{balance});
		2230	BDB::db_env_txn_checkpoint $DB_ENV;
1932		2231
1933	my $pid;	2232	unlink $path;
1934
1935	sub db_save() {
1936	waitpid $pid, 0 if $pid;
1937	if (0 == ($pid = fork)) {
1938	$DB->{_meta}{version} = 1;
1939	Storable::nstore $DB, "$path~";
1940	rename "$path~", $path;
1941	cf::_exit 0 if defined $pid;
1942	}	2233	};
1943	}
1944
1945	my $dirty;
1946
1947	sub db_sync() {
1948	db_save if $dirty;
1949	undef $dirty;
1950	}
1951
1952	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1953	db_sync;
1954	});
1955
1956	sub db_dirty() {
1957	$dirty = 1;
1958	$idle->start;
1959	}
1960
1961	sub db_get($;$) {
1962	@_ >= 2
1963	? $DB->{$_[0]}{$_[1]}
1964	: ($DB->{$_[0]} ||= { })
1965	}
1966
1967	sub db_put($$;$) {
1968	if (@_ >= 3) {
1969	$DB->{$_[0]}{$_[1]} = $_[2];
1970	} else {
1971	$DB->{$_[0]} = $_[1];
1972	}
1973	db_dirty;
1974	}
1975
1976	cf::global->attach (
1977	prio => 10000,
1978	on_cleanup => sub {
1979	db_sync;
1980	},	2234	}
1981	);	2235	}
		2236	}
		2237
		2238	sub db_get($$) {
		2239	my $key = "$_[0]/$_[1]";
		2240
		2241	cf::sync_job {
		2242	BDB::db_get $DB, undef, $key, my $data;
		2243
		2244	$! ? ()
		2245	: Compress::LZF::sthaw $data
		2246	}
		2247	}
		2248
		2249	sub db_put($$$) {
		2250	BDB::dbreq_pri 4;
		2251	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1982	}	2252	}
1983		2253
1984	#############################################################################	2254	#############################################################################
1985	# the server's main()	2255	# the server's init and main functions
		2256
		2257	sub init_resources {
		2258	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2259	or die "unable to load regions file\n";#d#
		2260	}
1986		2261
1987	sub cfg_load {	2262	sub cfg_load {
1988	open my $fh, "<:utf8", cf::confdir . "/config"	2263	open my $fh, "<:utf8", cf::confdir . "/config"
1989	or return;	2264	or return;
1990		2265
1991	local $/;	2266	local $/;
1992	*CFG = YAML::Syck::Load <$fh>;	2267	*CFG = YAML::Syck::Load <$fh>;
		2268
		2269	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2270
		2271	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2272	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2273
		2274	if (exists $CFG{mlockall}) {
		2275	eval {
		2276	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2277	and die "WARNING: m(un)lockall failed: $!\n";
		2278	};
		2279	warn $@ if $@;
		2280	}
		2281	}
		2282
		2283	sub init {
		2284	init_resources;
1993	}	2285	}
1994		2286
1995	sub main {	2287	sub main {
1996	# we must not ever block the main coroutine	2288	# we must not ever block the main coroutine
1997	local $Coro::idle = sub {	2289	local $Coro::idle = sub {
1998	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2290	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1999	(Coro::unblock_sub {	2291	(async {
2000	Event::one_event;	2292	Event::one_event;
2001	})->();	2293	})->prio (Coro::PRIO_MAX);
2002	};	2294	};
2003		2295
2004	cfg_load;	2296	cfg_load;
2005	db_load;	2297	db_init;
2006	load_extensions;	2298	load_extensions;
		2299
		2300	$TICK_WATCHER->start;
2007	Event::loop;	2301	Event::loop;
2008	}	2302	}
2009		2303
2010	#############################################################################	2304	#############################################################################
2011	# initialisation	2305	# initialisation and cleanup
		2306
		2307	# install some emergency cleanup handlers
		2308	BEGIN {
		2309	for my $signal (qw(INT HUP TERM)) {
		2310	Event->signal (
		2311	reentrant => 0,
		2312	data => WF_AUTOCANCEL,
		2313	signal => $signal,
		2314	prio => 0,
		2315	cb => sub {
		2316	cf::cleanup "SIG$signal";
		2317	},
		2318	);
		2319	}
		2320	}
		2321
		2322	sub emergency_save() {
		2323	my $freeze_guard = cf::freeze_mainloop;
		2324
		2325	warn "enter emergency perl save\n";
		2326
		2327	cf::sync_job {
		2328	# use a peculiar iteration method to avoid tripping on perl
		2329	# refcount bugs in for. also avoids problems with players
		2330	# and maps saved/destroyed asynchronously.
		2331	warn "begin emergency player save\n";
		2332	for my $login (keys %cf::PLAYER) {
		2333	my $pl = $cf::PLAYER{$login} or next;
		2334	$pl->valid or next;
		2335	$pl->save;
		2336	}
		2337	warn "end emergency player save\n";
		2338
		2339	warn "begin emergency map save\n";
		2340	for my $path (keys %cf::MAP) {
		2341	my $map = $cf::MAP{$path} or next;
		2342	$map->valid or next;
		2343	$map->save;
		2344	}
		2345	warn "end emergency map save\n";
		2346
		2347	warn "begin emergency database checkpoint\n";
		2348	BDB::db_env_txn_checkpoint $DB_ENV;
		2349	warn "end emergency database checkpoint\n";
		2350	};
		2351
		2352	warn "leave emergency perl save\n";
		2353	}
		2354
		2355	sub post_cleanup {
		2356	my ($make_core) = @_;
		2357
		2358	warn Carp::longmess "post_cleanup backtrace"
		2359	if $make_core;
		2360	}
2012		2361
2013	sub reload() {	2362	sub reload() {
2014	# can/must only be called in main	2363	# can/must only be called in main
2015	if ($Coro::current != $Coro::main) {	2364	if ($Coro::current != $Coro::main) {
2016	warn "can only reload from main coroutine\n";	2365	warn "can only reload from main coroutine";
2017	return;	2366	return;
2018	}	2367	}
2019		2368
2020	warn "reloading...";	2369	warn "reloading...";
2021		2370
2022	local $FREEZE = 1;	2371	warn "entering sync_job";
		2372
		2373	cf::sync_job {
		2374	cf::write_runtime; # external watchdog should not bark
2023	cf::emergency_save;	2375	cf::emergency_save;
		2376	cf::write_runtime; # external watchdog should not bark
2024		2377
2025	eval {	2378	warn "syncing database to disk";
		2379	BDB::db_env_txn_checkpoint $DB_ENV;
		2380
2026	# if anything goes wrong in here, we should simply crash as we already saved	2381	# if anything goes wrong in here, we should simply crash as we already saved
2027		2382
2028	# cancel all watchers	2383	warn "cancelling all WF_AUTOCANCEL watchers";
2029	for (Event::all_watchers) {	2384	for (Event::all_watchers) {
2030	$_->cancel if $_->data & WF_AUTOCANCEL;	2385	$_->cancel if $_->data & WF_AUTOCANCEL;
2031	}	2386	}
2032		2387
		2388	warn "flushing outstanding aio requests";
		2389	for (;;) {
		2390	BDB::flush;
		2391	IO::AIO::flush;
		2392	Coro::cede;
		2393	last unless IO::AIO::nreqs || BDB::nreqs;
		2394	warn "iterate...";
		2395	}
		2396
2033	# cancel all extension coros	2397	warn "cancelling all extension coros";
2034	$_->cancel for values %EXT_CORO;	2398	$_->cancel for values %EXT_CORO;
2035	%EXT_CORO = ();	2399	%EXT_CORO = ();
2036		2400
2037	# unload all extensions	2401	warn "removing commands";
2038	for (@exts) {	2402	%COMMAND = ();
		2403
		2404	warn "removing ext commands";
		2405	%EXTCMD = ();
		2406
		2407	warn "unloading/nuking all extensions";
		2408	for my $pkg (@EXTS) {
2039	warn "unloading <$_>";	2409	warn "... unloading $pkg";
2040	unload_extension $_;	2410
		2411	if (my $cb = $pkg->can ("unload")) {
		2412	eval {
		2413	$cb->($pkg);
		2414	1
		2415	} or warn "$pkg unloaded, but with errors: $@";
2041	}	2416	}
2042		2417
		2418	warn "... nuking $pkg";
		2419	Symbol::delete_package $pkg;
		2420	}
		2421
2043	# unload all modules loaded from $LIBDIR	2422	warn "unloading all perl modules loaded from $LIBDIR";
2044	while (my ($k, $v) = each %INC) {	2423	while (my ($k, $v) = each %INC) {
2045	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2424	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2046		2425
2047	warn "removing <$k>";	2426	warn "... unloading $k";
2048	delete $INC{$k};	2427	delete $INC{$k};
2049		2428
2050	$k =~ s/\.pm$//;	2429	$k =~ s/\.pm$//;
2051	$k =~ s/\//::/g;	2430	$k =~ s/\//::/g;
2052		2431
…		…
2055	}	2434	}
2056		2435
2057	Symbol::delete_package $k;	2436	Symbol::delete_package $k;
2058	}	2437	}
2059		2438
2060	# sync database to disk
2061	cf::db_sync;
2062	IO::AIO::flush;
2063
2064	# get rid of safe::, as good as possible	2439	warn "getting rid of safe::, as good as possible";
2065	Symbol::delete_package "safe::$_"	2440	Symbol::delete_package "safe::$_"
2066	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2441	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2067		2442
2068	# remove register_script_function callbacks
2069	# TODO
2070
2071	# unload cf.pm "a bit"	2443	warn "unloading cf.pm \"a bit\"";
2072	delete $INC{"cf.pm"};	2444	delete $INC{"cf.pm"};
2073		2445
2074	# don't, removes xs symbols, too,	2446	# don't, removes xs symbols, too,
2075	# and global variables created in xs	2447	# and global variables created in xs
2076	#Symbol::delete_package __PACKAGE__;	2448	#Symbol::delete_package __PACKAGE__;
2077		2449
2078	# reload cf.pm	2450	warn "unload completed, starting to reload now";
		2451
2079	warn "reloading cf.pm";	2452	warn "reloading cf.pm";
2080	require cf;	2453	require cf;
2081	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2454	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2082		2455
2083	# load config and database again	2456	warn "loading config and database again";
2084	cf::cfg_load;	2457	cf::cfg_load;
2085	cf::db_load;
2086		2458
2087	# load extensions
2088	warn "load extensions";	2459	warn "loading extensions";
2089	cf::load_extensions;	2460	cf::load_extensions;
2090		2461
2091	# reattach attachments to objects	2462	warn "reattaching attachments to objects/players";
2092	warn "reattach";
2093	_global_reattach;	2463	_global_reattach;
2094	};	2464	warn "reattaching attachments to maps";
		2465	reattach $_ for values %MAP;
2095		2466
2096	if ($@) {	2467	warn "loading reloadable resources";
		2468	init_resources;
		2469
		2470	warn "leaving sync_job";
		2471
		2472	1
		2473	} or do {
2097	warn $@;	2474	warn $@;
2098	warn "error while reloading, exiting.";	2475	warn "error while reloading, exiting.";
2099	exit 1;	2476	exit 1;
2100	}	2477	};
2101		2478
2102	warn "reloaded successfully";	2479	warn "reloaded";
2103	};	2480	};
2104		2481
2105	#############################################################################	2482	our $RELOAD_WATCHER; # used only during reload
2106
2107	unless ($LINK_MAP) {
2108	$LINK_MAP = cf::map::new;
2109
2110	$LINK_MAP->width (41);
2111	$LINK_MAP->height (41);
2112	$LINK_MAP->alloc;
2113	$LINK_MAP->path ("{link}");
2114	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2115	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2116
2117	# dirty hack because... archetypes are not yet loaded
2118	Event->timer (
2119	after => 2,
2120	cb => sub {
2121	$_[0]->w->cancel;
2122
2123	# provide some exits "home"
2124	my $exit = cf::object::new "exit";
2125
2126	$exit->slaying ($EMERGENCY_POSITION->[0]);
2127	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2128	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2129
2130	$LINK_MAP->insert ($exit->clone, 19, 19);
2131	$LINK_MAP->insert ($exit->clone, 19, 20);
2132	$LINK_MAP->insert ($exit->clone, 19, 21);
2133	$LINK_MAP->insert ($exit->clone, 20, 19);
2134	$LINK_MAP->insert ($exit->clone, 20, 21);
2135	$LINK_MAP->insert ($exit->clone, 21, 19);
2136	$LINK_MAP->insert ($exit->clone, 21, 20);
2137	$LINK_MAP->insert ($exit->clone, 21, 21);
2138
2139	$exit->destroy;
2140	});
2141
2142	$LINK_MAP->{deny_save} = 1;
2143	$LINK_MAP->{deny_reset} = 1;
2144
2145	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2146	}
2147
2148	register "<global>", __PACKAGE__;
2149		2483
2150	register_command "reload" => sub {	2484	register_command "reload" => sub {
2151	my ($who, $arg) = @_;	2485	my ($who, $arg) = @_;
2152		2486
2153	if ($who->flag (FLAG_WIZ)) {	2487	if ($who->flag (FLAG_WIZ)) {
2154	$who->message ("start of reload.");	2488	$who->message ("reloading server.");
		2489
		2490	# doing reload synchronously and two reloads happen back-to-back,
		2491	# coro crashes during coro_state_free->destroy here.
		2492
		2493	$RELOAD_WATCHER ||= Event->timer (
		2494	reentrant => 0,
		2495	after => 0,
		2496	data => WF_AUTOCANCEL,
		2497	cb => sub {
2155	reload;	2498	reload;
2156	$who->message ("end of reload.");	2499	undef $RELOAD_WATCHER;
		2500	},
		2501	);
2157	}	2502	}
2158	};	2503	};
2159		2504
2160	unshift @INC, $LIBDIR;	2505	unshift @INC, $LIBDIR;
		2506
		2507	my $bug_warning = 0;
2161		2508
2162	$TICK_WATCHER = Event->timer (	2509	$TICK_WATCHER = Event->timer (
2163	reentrant => 0,	2510	reentrant => 0,
		2511	parked => 1,
2164	prio => 0,	2512	prio => 0,
2165	at => $NEXT_TICK || $TICK,	2513	at => $NEXT_TICK || $TICK,
2166	data => WF_AUTOCANCEL,	2514	data => WF_AUTOCANCEL,
2167	cb => sub {	2515	cb => sub {
2168	unless ($FREEZE) {	2516	if ($Coro::current != $Coro::main) {
		2517	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2518	unless ++$bug_warning > 10;
		2519	return;
		2520	}
		2521
		2522	$NOW = Event::time;
		2523
2169	cf::server_tick; # one server iteration	2524	cf::server_tick; # one server iteration
2170	$RUNTIME += $TICK;	2525	$RUNTIME += $TICK;
2171	}
2172
2173	$NEXT_TICK += $TICK;	2526	$NEXT_TICK += $TICK;
		2527
		2528	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2529	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2530	Coro::async_pool {
		2531	write_runtime
		2532	or warn "ERROR: unable to write runtime file: $!";
		2533	};
		2534	}
		2535
		2536	$WAIT_FOR_TICK->broadcast;
		2537	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2538
		2539	# my $AFTER = Event::time;
		2540	# warn $AFTER - $NOW;#d#
2174		2541
2175	# if we are delayed by four ticks or more, skip them all	2542	# if we are delayed by four ticks or more, skip them all
2176	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2543	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2177		2544
2178	$TICK_WATCHER->at ($NEXT_TICK);	2545	$TICK_WATCHER->at ($NEXT_TICK);
2179	$TICK_WATCHER->start;	2546	$TICK_WATCHER->start;
2180	},	2547	},
2181	);	2548	);
2182		2549
		2550	{
2183	IO::AIO::max_poll_time $TICK * 0.2;	2551	BDB::max_poll_time $TICK * 0.1;
2184		2552	$BDB_POLL_WATCHER = Event->io (
2185	Event->io (	2553	reentrant => 0,
2186	fd => IO::AIO::poll_fileno,	2554	fd => BDB::poll_fileno,
2187	poll => 'r',	2555	poll => 'r',
2188	prio => 5,	2556	prio => 0,
2189	data => WF_AUTOCANCEL,
2190	cb => \&IO::AIO::poll_cb,
2191	);
2192
2193	Event->timer (
2194	data => WF_AUTOCANCEL,	2557	data => WF_AUTOCANCEL,
2195	after => 0,	2558	cb => \&BDB::poll_cb,
2196	interval => 10,	2559	);
2197	cb => sub {	2560	BDB::min_parallel 8;
2198	(Coro::unblock_sub {	2561
2199	write_runtime	2562	BDB::set_sync_prepare {
2200	or warn "ERROR: unable to write runtime file: $!";	2563	my $status;
		2564	my $current = $Coro::current;
		2565	(
		2566	sub {
		2567	$status = $!;
		2568	$current->ready; undef $current;
		2569	},
		2570	sub {
		2571	Coro::schedule while defined $current;
		2572	$! = $status;
		2573	},
		2574	)
		2575	};
		2576
		2577	unless ($DB_ENV) {
		2578	$DB_ENV = BDB::db_env_create;
		2579
		2580	cf::sync_job {
		2581	eval {
		2582	BDB::db_env_open
		2583	$DB_ENV,
		2584	$BDB_ENV_DIR,
		2585	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2586	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2587	0666;
		2588
		2589	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2590
		2591	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2592	$DB_ENV->set_lk_detect;
		2593	};
		2594
		2595	cf::cleanup "db_env_open(db): $@" if $@;
2201	})->();	2596	};
2202	},	2597	}
2203	);	2598	}
		2599
		2600	{
		2601	IO::AIO::min_parallel 8;
		2602
		2603	undef $Coro::AIO::WATCHER;
		2604	IO::AIO::max_poll_time $TICK * 0.1;
		2605	$AIO_POLL_WATCHER = Event->io (
		2606	reentrant => 0,
		2607	data => WF_AUTOCANCEL,
		2608	fd => IO::AIO::poll_fileno,
		2609	poll => 'r',
		2610	prio => 6,
		2611	cb => \&IO::AIO::poll_cb,
		2612	);
		2613	}
2204		2614
2205	END { cf::emergency_save }	2615	END { cf::emergency_save }
2206		2616
2207	1	2617	1
2208		2618

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