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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.132 by root, Thu Jan 4 01:35:56 2007 UTC vs.
Revision 1.222 by root, Tue Mar 6 03:06:00 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
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	96	our $EMERGENCY_POSITION;
		97
		98	sub cf::map::normalise;
77		99
78	#############################################################################	100	#############################################################################
79		101
80	=head2 GLOBAL VARIABLES	102	=head2 GLOBAL VARIABLES
81		103
…		…
105		127
106	=item %cf::CFG	128	=item %cf::CFG
107		129
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	130	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	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.
110		139
111	=back	140	=back
112		141
113	=cut	142	=cut
114		143
…		…
118	utf8::encode $msg;	147	utf8::encode $msg;
119		148
120	$msg .= "\n"	149	$msg .= "\n"
121	unless $msg =~ /\n$/;	150	unless $msg =~ /\n$/;
122		151
123	LOG llevError, "cfperl: $msg";	152	LOG llevError, $msg;
124	};	153	};
125	}	154	}
126		155
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
146		175
147	$Event::DIED = sub {	176	$Event::DIED = sub {
148	warn "error in event callback: @_";	177	warn "error in event callback: @_";
149	};	178	};
150		179
151	my %ext_pkg;
152	my @exts;
153	my @hook;
154
155	=head2 UTILITY FUNCTIONS	180	=head2 UTILITY FUNCTIONS
156		181
157	=over 4	182	=over 4
158		183
		184	=item dumpval $ref
		185
159	=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	}
160		206
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	207	use JSON::Syck (); # TODO# replace by JSON::PC once working
162		208
163	=item $ref = cf::from_json $json	209	=item $ref = cf::from_json $json
164		210
…		…
180	sub to_json($) {	226	sub to_json($) {
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
182	JSON::Syck::Dump $_[0]	228	JSON::Syck::Dump $_[0]
183	}	229	}
184		230
185	=item my $guard = cf::guard { BLOCK }
186
187	Run the given callback when the guard object gets destroyed (useful for
188	coroutine cancellations).
189
190	You can call C<< ->cancel >> on the guard object to stop the block from
191	being executed.
192
193	=cut
194
195	sub guard(&) {
196	bless \(my $cb = $_[0]), cf::guard::;
197	}
198
199	sub cf::guard::cancel {
200	${$_[0]} = sub { };
201	}
202
203	sub cf::guard::DESTROY {
204	${$_[0]}->();
205	}
206
207	=item cf::lock_wait $string	231	=item cf::lock_wait $string
208		232
209	Wait until the given lock is available. See cf::lock_acquire.	233	Wait until the given lock is available. See cf::lock_acquire.
210		234
211	=item my $lock = cf::lock_acquire $string	235	=item my $lock = cf::lock_acquire $string
212		236
213	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
214	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,
215	for example when the coroutine gets canceled), the lock is automatically	239	for example when the coroutine gets canceled), the lock is automatically
216	returned.	240	returned.
217		241
218	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
219	uses map_find and load_map uses map_load).	243	uses map_find and cf::map::load uses map_load).
220		244
221	=cut	245	=cut
222		246
223	our %LOCK;	247	our %LOCK;
224		248
…		…
238	# wait, to be sure we are not locked	262	# wait, to be sure we are not locked
239	lock_wait $key;	263	lock_wait $key;
240		264
241	$LOCK{$key} = [];	265	$LOCK{$key} = [];
242		266
243	cf::guard {	267	Coro::guard {
244	# wake up all waiters, to be on the safe side	268	# wake up all waiters, to be on the safe side
245	$_->ready for @{ delete $LOCK{$key} };	269	$_->ready for @{ delete $LOCK{$key} };
246	}	270	}
247	}	271	}
248		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	$guard
		281	}
		282
249	=item cf::async { BLOCK }	283	=item cf::async { BLOCK }
250		284
251	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	285	Currently the same as Coro::async_pool, meaning you cannot use
252	error instead of exiting the server in case of a problem.	286	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		287	thing you are allowed to do is call C<prio> on it.
253		288
254	=cut	289	=cut
255		290
256	sub async(&) {	291	BEGIN { *async = \&Coro::async_pool }
257	my ($cb) = @_;
258
259	Coro::async {
260	eval { $cb->() };
261	warn $@ if $@;
262	}
263	}
264		292
265	=item cf::sync_job { BLOCK }	293	=item cf::sync_job { BLOCK }
266		294
267	The design of crossfire+ requires that the main coro ($Coro::main) is	295	The design of crossfire+ requires that the main coro ($Coro::main) is
268	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
…		…
282	# this is the main coro, too bad, we have to block	310	# this is the main coro, too bad, we have to block
283	# till the operation succeeds, freezing the server :/	311	# till the operation succeeds, freezing the server :/
284		312
285	# TODO: use suspend/resume instead	313	# TODO: use suspend/resume instead
286	# (but this is cancel-safe)	314	# (but this is cancel-safe)
287	local $FREEZE = 1;	315	my $freeze_guard = freeze_mainloop;
288		316
289	my $busy = 1;	317	my $busy = 1;
290	my @res;	318	my @res;
291		319
292	(Coro::async {	320	(async {
293	@res = eval { $job->() };	321	@res = eval { $job->() };
294	warn $@ if $@;	322	warn $@ if $@;
295	undef $busy;	323	undef $busy;
296	})->prio (Coro::PRIO_MAX);	324	})->prio (Coro::PRIO_MAX);
297		325
298	while ($busy) {	326	while ($busy) {
299	Coro::cede_notself;	327	Coro::cede or Event::one_event;
300	Event::one_event unless Coro::nready;
301	}	328	}
302		329
303	wantarray ? @res : $res[0]	330	wantarray ? @res : $res[0]
304	} else {	331	} else {
305	# we are in another coroutine, how wonderful, everything just works	332	# we are in another coroutine, how wonderful, everything just works
306		333
307	$job->()	334	$job->()
308	}	335	}
309	}	336	}
310		337
311	=item $coro = cf::coro { BLOCK }	338	=item $coro = cf::async_ext { BLOCK }
312		339
313	Creates and returns a new coro. This coro is automcatially being canceled	340	Like async, but this coro is automatically being canceled when the
314	when the extension calling this is being unloaded.	341	extension calling this is being unloaded.
315		342
316	=cut	343	=cut
317		344
318	sub coro(&) {	345	sub async_ext(&) {
319	my $cb = shift;	346	my $cb = shift;
320		347
321	my $coro = &cf::async ($cb);	348	my $coro = &Coro::async ($cb);
322		349
323	$coro->on_destroy (sub {	350	$coro->on_destroy (sub {
324	delete $EXT_CORO{$coro+0};	351	delete $EXT_CORO{$coro+0};
325	});	352	});
326	$EXT_CORO{$coro+0} = $coro;	353	$EXT_CORO{$coro+0} = $coro;
327		354
328	$coro	355	$coro
329	}	356	}
330		357
331	sub write_runtime {	358	sub write_runtime {
		359	my $guard = cf::lock_acquire "write_runtime";
		360
332	my $runtime = cf::localdir . "/runtime";	361	my $runtime = cf::localdir . "/runtime";
333		362
334	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
335	or return;	364	or return;
336		365
		366	my $value = $cf::RUNTIME + 90 + 10;
337	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
338	(aio_write $fh, 0, (length $value), $value, 0) <= 0	370	(aio_write $fh, 0, (length $value), $value, 0) <= 0
339	and return;	371	and return;
340		372
		373	# always fsync - this file is important
341	aio_fsync $fh	374	aio_fsync $fh
342	and return;	375	and return;
343		376
344	close $fh	377	close $fh
345	or return;	378	or return;
…		…
351	}	384	}
352		385
353	=back	386	=back
354		387
355	=cut	388	=cut
356
357	#############################################################################
358
359	package cf::path;
360
361	sub new {
362	my ($class, $path, $base) = @_;
363
364	$path = $path->as_string if ref $path;
365
366	my $self = bless { }, $class;
367
368	# {... are special paths that are not touched
369	# ?xxx/... are special absolute paths
370	# ?random/... random maps
371	# /! non-realised random map exit
372	# /... normal maps
373	# ~/... per-player maps without a specific player (DO NOT USE)
374	# ~user/... per-player map of a specific user
375
376	if ($path =~ /^{/) {
377	# fine as it is
378	} elsif ($path =~ s{^\?random/}{}) {
379	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
380	$self->{random} = cf::from_json $data;
381	} else {
382	if ($path =~ s{^~([^/]+)?}{}) {
383	$self->{user_rel} = 1;
384
385	if (defined $1) {
386	$self->{user} = $1;
387	} elsif ($base =~ m{^~([^/]+)/}) {
388	$self->{user} = $1;
389	} else {
390	warn "cannot resolve user-relative path without user <$path,$base>\n";
391	}
392	} elsif ($path =~ /^\//) {
393	# already absolute
394	} else {
395	$base =~ s{[^/]+/?$}{};
396	return $class->new ("$base/$path");
397	}
398
399	for ($path) {
400	redo if s{/\.?/}{/};
401	redo if s{/[^/]+/\.\./}{/};
402	}
403	}
404
405	$self->{path} = $path;
406
407	$self
408	}
409
410	# the name / primary key / in-game path
411	sub as_string {
412	my ($self) = @_;
413
414	$self->{user_rel} ? "~$self->{user}$self->{path}"
415	: $self->{random} ? "?random/$self->{path}"
416	: $self->{path}
417	}
418
419	# the displayed name, this is a one way mapping
420	sub visible_name {
421	my ($self) = @_;
422
423	# if (my $rmp = $self->{random}) {
424	# # todo: be more intelligent about this
425	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
426	# } else {
427	$self->as_string
428	# }
429	}
430
431	# escape the /'s in the path
432	sub _escaped_path {
433	# ∕ is U+2215
434	(my $path = $_[0]{path}) =~ s/\//∕/g;
435	$path
436	}
437
438	# the original (read-only) location
439	sub load_path {
440	my ($self) = @_;
441
442	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
443	}
444
445	# the temporary/swap location
446	sub save_path {
447	my ($self) = @_;
448
449	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
450	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
451	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
452	}
453
454	# the unique path, might be eq to save_path
455	sub uniq_path {
456	my ($self) = @_;
457
458	$self->{user_rel} || $self->{random}
459	? undef
460	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
461	}
462
463	# return random map parameters, or undef
464	sub random_map_params {
465	my ($self) = @_;
466
467	$self->{random}
468	}
469
470	# this is somewhat ugly, but style maps do need special treatment
471	sub is_style_map {
472	$_[0]{path} =~ m{^/styles/}
473	}
474
475	package cf;
476		389
477	#############################################################################	390	#############################################################################
478		391
479	=head2 ATTACHABLE OBJECTS	392	=head2 ATTACHABLE OBJECTS
480		393
…		…
606	our @CB_TYPE = (); # registry for type (cf-object class) based events	519	our @CB_TYPE = (); # registry for type (cf-object class) based events
607	our @CB_MAP = ();	520	our @CB_MAP = ();
608		521
609	my %attachment;	522	my %attachment;
610		523
		524	sub cf::attachable::thawer_merge {
		525	# simply override everything except _meta
		526	local $_[0]{_meta};
		527	%{$_[0]} = %{$_[1]};
		528	}
		529
611	sub _attach_cb($$$$) {	530	sub _attach_cb($$$$) {
612	my ($registry, $event, $prio, $cb) = @_;	531	my ($registry, $event, $prio, $cb) = @_;
613		532
614	use sort 'stable';	533	use sort 'stable';
615		534
…		…
786	# object support	705	# object support
787		706
788	sub reattach {	707	sub reattach {
789	# basically do the same as instantiate, without calling instantiate	708	# basically do the same as instantiate, without calling instantiate
790	my ($obj) = @_;	709	my ($obj) = @_;
		710
		711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
791		712
792	my $registry = $obj->registry;	713	my $registry = $obj->registry;
793		714
794	@$registry = ();	715	@$registry = ();
795		716
…		…
842	$filename, length $$rdata, scalar @$objs;	763	$filename, length $$rdata, scalar @$objs;
843		764
844	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
845	chmod SAVE_MODE, $fh;	766	chmod SAVE_MODE, $fh;
846	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
847	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
848	close $fh;	769	close $fh;
849		770
850	if (@$objs) {	771	if (@$objs) {
851	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) {
852	chmod SAVE_MODE, $fh;	773	chmod SAVE_MODE, $fh;
853	my $data = Storable::nfreeze { version => 1, objs => $objs };	774	my $data = Storable::nfreeze { version => 1, objs => $objs };
854	aio_write $fh, 0, (length $data), $data, 0;	775	aio_write $fh, 0, (length $data), $data, 0;
855	aio_fsync $fh;	776	aio_fsync $fh if $cf::USE_FSYNC;
856	close $fh;	777	close $fh;
857	aio_rename "$filename.pst~", "$filename.pst";	778	aio_rename "$filename.pst~", "$filename.pst";
858	}	779	}
859	} else {	780	} else {
860	aio_unlink "$filename.pst";	781	aio_unlink "$filename.pst";
…		…
927	=cut	848	=cut
928		849
929	sub register_extcmd {	850	sub register_extcmd {
930	my ($name, $cb) = @_;	851	my ($name, $cb) = @_;
931		852
932	my $caller = caller;
933	#warn "registering extcmd '$name' to '$caller'";
934
935	$EXTCMD{$name} = [$cb, $caller];	853	$EXTCMD{$name} = $cb;
936	}	854	}
937		855
938	cf::player->attach (	856	cf::player->attach (
939	on_command => sub {	857	on_command => sub {
940	my ($pl, $name, $params) = @_;	858	my ($pl, $name, $params) = @_;
…		…
953		871
954	my $msg = eval { from_json $buf };	872	my $msg = eval { from_json $buf };
955		873
956	if (ref $msg) {	874	if (ref $msg) {
957	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
958	if (my %reply = $cb->[0]->($pl, $msg)) {	876	if (my %reply = $cb->($pl, $msg)) {
959	$pl->ext_reply ($msg->{msgid}, %reply);	877	$pl->ext_reply ($msg->{msgid}, %reply);
960	}	878	}
961	}	879	}
962	} else {	880	} else {
963	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
965		883
966	cf::override;	884	cf::override;
967	},	885	},
968	);	886	);
969		887
970	sub register {
971	my ($base, $pkg) = @_;
972
973	#TODO
974	}
975
976	sub load_extension {	888	sub load_extension {
977	my ($path) = @_;	889	my ($path) = @_;
978		890
979	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
980	my $base = $1;	892	my $base = $1;
981	my $pkg = $1;	893	my $pkg = $1;
982	$pkg =~ s/[^[:word:]]/_/g;	894	$pkg =~ s/[^[:word:]]/_/g;
983	$pkg = "ext::$pkg";	895	$pkg = "ext::$pkg";
984		896
985	warn "loading '$path' into '$pkg'\n";	897	warn "... loading '$path' into '$pkg'\n";
986		898
987	open my $fh, "<:utf8", $path	899	open my $fh, "<:utf8", $path
988	or die "$path: $!";	900	or die "$path: $!";
989		901
990	my $source =	902	my $source =
991	"package $pkg; use strict; use utf8;\n"	903	"package $pkg; use strict; use utf8;\n"
992	. "#line 1 \"$path\"\n{\n"	904	. "#line 1 \"$path\"\n{\n"
993	. (do { local $/; <$fh> })	905	. (do { local $/; <$fh> })
994	. "\n};\n1";	906	. "\n};\n1";
995		907
996	eval $source	908	unless (eval $source) {
997	or die $@ ? "$path: $@\n"	909	my $msg = $@ ? "$path: $@\n"
998	: "extension disabled.\n";	910	: "extension disabled.\n";
999		911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1000	push @exts, $pkg;	912	warn $@;
1001	$ext_pkg{$base} = $pkg;	913	warn "mandatory extension failed to load, exiting.\n";
1002		914	exit 1;
1003	# no strict 'refs';	915	}
1004	# @{"$pkg\::ISA"} = ext::;	916	die $@;
1005
1006	register $base, $pkg;
1007	}
1008
1009	sub unload_extension {
1010	my ($pkg) = @_;
1011
1012	warn "removing extension $pkg\n";
1013
1014	# remove hooks
1015	#TODO
1016	# for my $idx (0 .. $#PLUGIN_EVENT) {
1017	# delete $hook[$idx]{$pkg};
1018	# }	917	}
1019		918
1020	# remove commands	919	push @EXTS, $pkg;
1021	for my $name (keys %COMMAND) {
1022	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1023
1024	if (@cb) {
1025	$COMMAND{$name} = \@cb;
1026	} else {
1027	delete $COMMAND{$name};
1028	}
1029	}
1030
1031	# remove extcmds
1032	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1033	delete $EXTCMD{$name};
1034	}
1035
1036	if (my $cb = $pkg->can ("unload")) {
1037	eval {
1038	$cb->($pkg);
1039	1
1040	} or warn "$pkg unloaded, but with errors: $@";
1041	}
1042
1043	Symbol::delete_package $pkg;
1044	}	920	}
1045		921
1046	sub load_extensions {	922	sub load_extensions {
1047	for my $ext (<$LIBDIR/*.ext>) {	923	for my $ext (<$LIBDIR/*.ext>) {
1048	next unless -r $ext;	924	next unless -r $ext;
…		…
1052	} or warn "$ext not loaded: $@";	928	} or warn "$ext not loaded: $@";
1053	}	929	}
1054	}	930	}
1055		931
1056	#############################################################################	932	#############################################################################
1057	# load/save/clean perl data associated with a map
1058
1059	*cf::mapsupport::on_clean = sub {
1060	my ($map) = @_;
1061
1062	my $path = $map->tmpname;
1063	defined $path or return;
1064
1065	unlink "$path.pst";
1066	};
1067
1068	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1069
1070	#############################################################################
1071	# load/save perl data associated with player->ob objects
1072
1073	sub all_objects(@) {
1074	@_, map all_objects ($_->inv), @_
1075	}
1076
1077	# TODO: compatibility cruft, remove when no longer needed
1078	cf::player->attach (
1079	on_load => sub {
1080	my ($pl, $path) = @_;
1081
1082	for my $o (all_objects $pl->ob) {
1083	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1084	$o->set_ob_key_value ("_perl_data");
1085
1086	%$o = %{ Storable::thaw pack "H*", $value };
1087	}
1088	}
1089	},
1090	);
1091
1092	#############################################################################
1093		933
1094	=head2 CORE EXTENSIONS	934	=head2 CORE EXTENSIONS
1095		935
1096	Functions and methods that extend core crossfire objects.	936	Functions and methods that extend core crossfire objects.
1097		937
		938	=cut
		939
		940	package cf::player;
		941
		942	use Coro::AIO;
		943
1098	=head3 cf::player	944	=head3 cf::player
1099		945
1100	=over 4	946	=over 4
1101		947
1102	=item cf::player::exists $login	948	=item cf::player::find $login
1103		949
1104	Returns true when the given account exists.	950	Returns the given player object, loading it if necessary (might block).
1105		951
1106	=cut	952	=cut
1107		953
1108	sub cf::player::exists($) {	954	sub playerdir($) {
1109	cf::player::find $_[0]	955	cf::localdir
1110	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 $pl->kick
		1060
		1061	Kicks a player out of the game. This destroys the connection.
		1062
		1063	=cut
		1064
		1065	sub kick {
		1066	my ($pl, $kicker) = @_;
		1067
		1068	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1069	$pl->killer ("kicked");
		1070	$pl->ns->destroy;
		1071	}
		1072
		1073	=item cf::player::list_logins
		1074
		1075	Returns am arrayref of all valid playernames in the system, can take a
		1076	while and may block, so not sync_job-capable, ever.
		1077
		1078	=cut
		1079
		1080	sub list_logins {
		1081	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1082	or return [];
		1083
		1084	my @logins;
		1085
		1086	for my $login (@$dirs) {
		1087	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1088	aio_read $fh, 0, 512, my $buf, 0 or next;
		1089	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1090
		1091	utf8::decode $login;
		1092	push @logins, $login;
		1093	}
		1094
		1095	\@logins
		1096	}
		1097
		1098	=item $player->maps
		1099
		1100	Returns an arrayref of map paths that are private for this
		1101	player. May block.
		1102
		1103	=cut
		1104
		1105	sub maps($) {
		1106	my ($pl) = @_;
		1107
		1108	$pl = ref $pl ? $pl->ob->name : $pl;
		1109
		1110	my $files = aio_readdir playerdir $pl
		1111	or return;
		1112
		1113	my @paths;
		1114
		1115	for (@$files) {
		1116	utf8::decode $_;
		1117	next if /\.(?:pl|pst)$/;
		1118	next unless /^$PATH_SEP/o;
		1119
		1120	push @paths, cf::map::normalise "~$pl/$_";
		1121	}
		1122
		1123	\@paths
1111	}	1124	}
1112		1125
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1126	=item $player->ext_reply ($msgid, $msgtype, %msg)
1114		1127
1115	Sends an ext reply to the player.	1128	Sends an ext reply to the player.
1116		1129
1117	=cut	1130	=cut
1118		1131
1119	sub cf::player::ext_reply($$$%) {	1132	sub ext_reply($$$%) {
1120	my ($self, $id, %msg) = @_;	1133	my ($self, $id, %msg) = @_;
1121		1134
1122	$msg{msgid} = $id;	1135	$msg{msgid} = $id;
1123		1136
1124	$self->send ("ext " . to_json \%msg);	1137	$self->send ("ext " . cf::to_json \%msg);
1125	}	1138	}
		1139
		1140	package cf;
1126		1141
1127	=back	1142	=back
1128		1143
1129		1144
1130	=head3 cf::map	1145	=head3 cf::map
…		…
1136	package cf::map;	1151	package cf::map;
1137		1152
1138	use Fcntl;	1153	use Fcntl;
1139	use Coro::AIO;	1154	use Coro::AIO;
1140		1155
		1156	use overload
		1157	'""' => \&as_string,
		1158	fallback => 1;
		1159
1141	our $MAX_RESET = 7200;	1160	our $MAX_RESET = 3600;
1142	our $DEFAULT_RESET = 3600;	1161	our $DEFAULT_RESET = 3000;
1143		1162
1144	sub generate_random_map {	1163	sub generate_random_map {
1145	my ($path, $rmp) = @_;	1164	my ($self, $rmp) = @_;
1146
1147	# mit "rum" bekleckern, nicht	1165	# mit "rum" bekleckern, nicht
1148	cf::map::_create_random_map	1166	$self->_create_random_map (
1149	$path,
1150	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1167	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1151	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1168	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1152	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1169	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1153	$rmp->{exit_on_final_map},	1170	$rmp->{exit_on_final_map},
1154	$rmp->{xsize}, $rmp->{ysize},	1171	$rmp->{xsize}, $rmp->{ysize},
1155	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1172	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1156	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1173	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1157	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1174	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1158	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1175	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1159	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1176	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1160	(cf::region::find $rmp->{region})	1177	(cf::region::find $rmp->{region}), $rmp->{custom}
		1178	)
		1179	}
		1180
		1181	=item cf::map->register ($regex, $prio)
		1182
		1183	Register a handler for the map path matching the given regex at the
		1184	givne priority (higher is better, built-in handlers have priority 0, the
		1185	default).
		1186
		1187	=cut
		1188
		1189	sub register {
		1190	my (undef, $regex, $prio) = @_;
		1191	my $pkg = caller;
		1192
		1193	no strict;
		1194	push @{"$pkg\::ISA"}, __PACKAGE__;
		1195
		1196	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1197	}
		1198
		1199	# also paths starting with '/'
		1200	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1201
		1202	sub thawer_merge {
		1203	my ($self, $merge) = @_;
		1204
		1205	# we have to keep some variables in memory intact
		1206	local $self->{path};
		1207	local $self->{load_path};
		1208	local $self->{deny_save};
		1209	local $self->{deny_reset};
		1210
		1211	$self->SUPER::thawer_merge ($merge);
		1212	}
		1213
		1214	sub normalise {
		1215	my ($path, $base) = @_;
		1216
		1217	$path = "$path"; # make sure its a string
		1218
		1219	$path =~ s/\.map$//;
		1220
		1221	# map plan:
		1222	#
		1223	# /! non-realised random map exit (special hack!)
		1224	# {... are special paths that are not being touched
		1225	# ?xxx/... are special absolute paths
		1226	# ?random/... random maps
		1227	# /... normal maps
		1228	# ~user/... per-player map of a specific user
		1229
		1230	$path =~ s/$PATH_SEP/\//go;
		1231
		1232	# treat it as relative path if it starts with
		1233	# something that looks reasonable
		1234	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1235	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1236
		1237	$base =~ s{[^/]+/?$}{};
		1238	$path = "$base/$path";
		1239	}
		1240
		1241	for ($path) {
		1242	redo if s{//}{/};
		1243	redo if s{/\.?/}{/};
		1244	redo if s{/[^/]+/\.\./}{/};
		1245	}
		1246
		1247	$path
		1248	}
		1249
		1250	sub new_from_path {
		1251	my (undef, $path, $base) = @_;
		1252
		1253	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1254
		1255	$path = normalise $path, $base;
		1256
		1257	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1258	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1259	my $self = bless cf::map::new, $pkg;
		1260	$self->{path} = $path; $self->path ($path);
		1261	$self->init; # pass $1 etc.
		1262	return $self;
		1263	}
		1264	}
		1265
		1266	Carp::carp "unable to resolve path '$path' (base '$base').";
		1267	()
		1268	}
		1269
		1270	sub init {
		1271	my ($self) = @_;
		1272
		1273	$self
		1274	}
		1275
		1276	sub as_string {
		1277	my ($self) = @_;
		1278
		1279	"$self->{path}"
		1280	}
		1281
		1282	# the displayed name, this is a one way mapping
		1283	sub visible_name {
		1284	&as_string
		1285	}
		1286
		1287	# the original (read-only) location
		1288	sub load_path {
		1289	my ($self) = @_;
		1290
		1291	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1292	}
		1293
		1294	# the temporary/swap location
		1295	sub save_path {
		1296	my ($self) = @_;
		1297
		1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1299	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1300	}
		1301
		1302	# the unique path, undef == no special unique path
		1303	sub uniq_path {
		1304	my ($self) = @_;
		1305
		1306	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1307	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1161	}	1308	}
1162		1309
1163	# and all this just because we cannot iterate over	1310	# and all this just because we cannot iterate over
1164	# all maps in C++...	1311	# all maps in C++...
1165	sub change_all_map_light {	1312	sub change_all_map_light {
…		…
1167		1314
1168	$_->change_map_light ($change)	1315	$_->change_map_light ($change)
1169	for grep $_->outdoor, values %cf::MAP;	1316	for grep $_->outdoor, values %cf::MAP;
1170	}	1317	}
1171		1318
		1319	sub unlink_save {
		1320	my ($self) = @_;
		1321
		1322	utf8::encode (my $save = $self->save_path);
		1323	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1324	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1325	}
		1326
1172	sub try_load_header($) {	1327	sub load_header_from($) {
1173	my ($path) = @_;	1328	my ($self, $path) = @_;
1174		1329
1175	utf8::encode $path;	1330	utf8::encode $path;
1176	aio_open $path, O_RDONLY, 0	1331	#aio_open $path, O_RDONLY, 0
		1332	# or return;
		1333
		1334	$self->_load_header ($path)
1177	or return;	1335	or return;
1178		1336
1179	my $map = cf::map::new	1337	$self->{load_path} = $path;
		1338
		1339	1
		1340	}
		1341
		1342	sub load_header_orig {
		1343	my ($self) = @_;
		1344
		1345	$self->load_header_from ($self->load_path)
		1346	}
		1347
		1348	sub load_header_temp {
		1349	my ($self) = @_;
		1350
		1351	$self->load_header_from ($self->save_path)
		1352	}
		1353
		1354	sub prepare_temp {
		1355	my ($self) = @_;
		1356
		1357	$self->last_access ((delete $self->{last_access})
		1358	|| $cf::RUNTIME); #d#
		1359	# safety
		1360	$self->{instantiate_time} = $cf::RUNTIME
		1361	if $self->{instantiate_time} > $cf::RUNTIME;
		1362	}
		1363
		1364	sub prepare_orig {
		1365	my ($self) = @_;
		1366
		1367	$self->{load_original} = 1;
		1368	$self->{instantiate_time} = $cf::RUNTIME;
		1369	$self->last_access ($cf::RUNTIME);
		1370	$self->instantiate;
		1371	}
		1372
		1373	sub load_header {
		1374	my ($self) = @_;
		1375
		1376	if ($self->load_header_temp) {
		1377	$self->prepare_temp;
		1378	} else {
		1379	$self->load_header_orig
1180	or return;	1380	or return;
		1381	$self->prepare_orig;
		1382	}
1181		1383
1182	$map->load_header ($path)	1384	1
1183	or return;
1184
1185	$map->{load_path} = $path;
1186
1187	$map
1188	}	1385	}
1189		1386
1190	sub find_map;	1387	sub find;
1191	sub find_map {	1388	sub find {
1192	my ($path, $origin) = @_;	1389	my ($path, $origin) = @_;
1193		1390
1194	#warn "find_map<$path,$origin>\n";#d#
1195
1196	$path = new cf::path $path, $origin && $origin->path;	1391	$path = normalise $path, $origin && $origin->path;
1197	my $key = $path->as_string;
1198		1392
1199	cf::lock_wait "map_find:$key";	1393	cf::lock_wait "map_find:$path";
1200		1394
1201	$cf::MAP{$key} || do {	1395	$cf::MAP{$path} || do {
1202	my $guard = cf::lock_acquire "map_find:$key";	1396	my $guard = cf::lock_acquire "map_find:$path";
1203		1397	my $map = new_from_path cf::map $path
1204	# do it the slow way
1205	my $map = try_load_header $path->save_path;
1206
1207	if ($map) {
1208	$map->last_access ((delete $map->{last_access})
1209	|| $cf::RUNTIME); #d#
1210	# safety
1211	$map->{instantiate_time} = $cf::RUNTIME
1212	if $map->{instantiate_time} > $cf::RUNTIME;
1213	} else {
1214	if (my $rmp = $path->random_map_params) {
1215	$map = generate_random_map $key, $rmp;
1216	} else {
1217	$map = try_load_header $path->load_path;
1218	}
1219
1220	$map or return;	1398	or return;
1221		1399
1222	$map->{load_original} = 1;
1223	$map->{instantiate_time} = $cf::RUNTIME;
1224	$map->last_access ($cf::RUNTIME);
1225	$map->instantiate;
1226
1227	# per-player maps become, after loading, normal maps
1228	$map->per_player (0) if $path->{user_rel};
1229	}
1230
1231	$map->path ($key);
1232	$map->{path} = $path;
1233	$map->{last_save} = $cf::RUNTIME;	1400	$map->{last_save} = $cf::RUNTIME;
1234		1401
1235	if ($map->should_reset) {	1402	$map->load_header
		1403	or return;
		1404
		1405	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1406	# doing this can freeze the server in a sync job, obviously
		1407	#$cf::WAIT_FOR_TICK->wait;
1236	$map->reset;	1408	$map->reset;
1237	undef $guard;	1409	undef $guard;
1238	$map = find_map $path	1410	return find $path;
1239	or return;
1240	}	1411	}
1241		1412
1242	$cf::MAP{$key} = $map	1413	$cf::MAP{$path} = $map
1243	}	1414	}
1244	}	1415	}
		1416
		1417	sub pre_load { }
		1418	sub post_load { }
1245		1419
1246	sub load {	1420	sub load {
1247	my ($self) = @_;	1421	my ($self) = @_;
1248		1422
		1423	local $self->{deny_reset} = 1; # loading can take a long time
		1424
1249	my $path = $self->{path};	1425	my $path = $self->{path};
1250	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1426	my $guard = cf::lock_acquire "map_load:$path";
1251		1427
1252	return if $self->in_memory != cf::MAP_SWAPPED;	1428	return if $self->in_memory != cf::MAP_SWAPPED;
1253		1429
1254	$self->in_memory (cf::MAP_LOADING);	1430	$self->in_memory (cf::MAP_LOADING);
1255		1431
1256	$self->alloc;	1432	$self->alloc;
		1433
		1434	$self->pre_load;
		1435
1257	$self->load_objects ($self->{load_path}, 1)	1436	$self->_load_objects ($self->{load_path}, 1)
1258	or return;	1437	or return;
1259		1438
1260	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1439	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1261	if delete $self->{load_original};	1440	if delete $self->{load_original};
1262		1441
1263	if (my $uniq = $path->uniq_path) {	1442	if (my $uniq = $self->uniq_path) {
1264	utf8::encode $uniq;	1443	utf8::encode $uniq;
1265	if (aio_open $uniq, O_RDONLY, 0) {	1444	if (aio_open $uniq, O_RDONLY, 0) {
1266	$self->clear_unique_items;	1445	$self->clear_unique_items;
1267	$self->load_objects ($uniq, 0);	1446	$self->_load_objects ($uniq, 0);
1268	}	1447	}
1269	}	1448	}
		1449
		1450	Coro::cede;
1270		1451
1271	# now do the right thing for maps	1452	# now do the right thing for maps
1272	$self->link_multipart_objects;	1453	$self->link_multipart_objects;
1273		1454
1274	if ($self->{path}->is_style_map) {	1455	unless ($self->{deny_activate}) {
1275	$self->{deny_save} = 1;	1456	$self->decay_objects;
1276	$self->{deny_reset} = 1;
1277	} else {
1278	$self->fix_auto_apply;	1457	$self->fix_auto_apply;
1279	$self->decay_objects;
1280	$self->update_buttons;	1458	$self->update_buttons;
		1459	Coro::cede;
1281	$self->set_darkness_map;	1460	$self->set_darkness_map;
1282	$self->difficulty ($self->estimate_difficulty)	1461	$self->difficulty ($self->estimate_difficulty)
1283	unless $self->difficulty;	1462	unless $self->difficulty;
		1463	Coro::cede;
1284	$self->activate;	1464	$self->activate;
1285	}	1465	}
1286		1466
		1467	$self->post_load;
		1468
1287	$self->in_memory (cf::MAP_IN_MEMORY);	1469	$self->in_memory (cf::MAP_IN_MEMORY);
1288	}	1470	}
1289		1471
1290	sub load_map_sync {	1472	sub customise_for {
		1473	my ($self, $ob) = @_;
		1474
		1475	return find "~" . $ob->name . "/" . $self->{path}
		1476	if $self->per_player;
		1477
		1478	$self
		1479	}
		1480
		1481	# find and load all maps in the 3x3 area around a map
		1482	sub load_diag {
		1483	my ($map) = @_;
		1484
		1485	my @diag; # diagonal neighbours
		1486
		1487	for (0 .. 3) {
		1488	my $neigh = $map->tile_path ($_)
		1489	or next;
		1490	$neigh = find $neigh, $map
		1491	or next;
		1492	$neigh->load;
		1493
		1494	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1495	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1496	}
		1497
		1498	for (@diag) {
		1499	my $neigh = find @$_
		1500	or next;
		1501	$neigh->load;
		1502	}
		1503	}
		1504
		1505	sub find_sync {
1291	my ($path, $origin) = @_;	1506	my ($path, $origin) = @_;
1292		1507
1293	#warn "load_map_sync<$path, $origin>\n";#d#	1508	cf::sync_job { find $path, $origin }
		1509	}
1294		1510
1295	cf::sync_job {	1511	sub do_load_sync {
1296	my $map = cf::map::find_map $path, $origin	1512	my ($map) = @_;
1297	or return;	1513
		1514	cf::sync_job { $map->load };
		1515	}
		1516
		1517	our %MAP_PREFETCH;
		1518	our $MAP_PREFETCHER = undef;
		1519
		1520	sub find_async {
		1521	my ($path, $origin) = @_;
		1522
		1523	$path = normalise $path, $origin && $origin->{path};
		1524
		1525	if (my $map = $cf::MAP{$path}) {
		1526	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1527	}
		1528
		1529	undef $MAP_PREFETCH{$path};
		1530	$MAP_PREFETCHER ||= cf::async {
		1531	while (%MAP_PREFETCH) {
		1532	for my $path (keys %MAP_PREFETCH) {
		1533	my $map = find $path
		1534	or next;
1298	$map->load;	1535	$map->load;
1299	$map	1536
		1537	delete $MAP_PREFETCH{$path};
		1538	}
		1539	}
		1540	undef $MAP_PREFETCHER;
1300	}	1541	};
		1542	$MAP_PREFETCHER->prio (6);
		1543
		1544	()
1301	}	1545	}
1302		1546
1303	sub save {	1547	sub save {
1304	my ($self) = @_;	1548	my ($self) = @_;
1305		1549
		1550	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1551
1306	$self->{last_save} = $cf::RUNTIME;	1552	$self->{last_save} = $cf::RUNTIME;
1307		1553
1308	return unless $self->dirty;	1554	return unless $self->dirty;
1309		1555
1310	my $save = $self->{path}->save_path; utf8::encode $save;	1556	my $save = $self->save_path; utf8::encode $save;
1311	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1557	my $uniq = $self->uniq_path; utf8::encode $uniq;
1312		1558
1313	$self->{load_path} = $save;	1559	$self->{load_path} = $save;
1314		1560
1315	return if $self->{deny_save};	1561	return if $self->{deny_save};
1316		1562
1317	local $self->{last_access} = $self->last_access;#d#	1563	local $self->{last_access} = $self->last_access;#d#
1318		1564
		1565	cf::async {
		1566	$_->contr->save for $self->players;
		1567	};
		1568
1319	if ($uniq) {	1569	if ($uniq) {
1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1570	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1321	$self->save_objects ($uniq, cf::IO_UNIQUES);	1571	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1322	} else {	1572	} else {
1323	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1324	}	1574	}
1325	}	1575	}
1326		1576
1327	sub swap_out {	1577	sub swap_out {
1328	my ($self) = @_;	1578	my ($self) = @_;
1329		1579
1330	# save first because save cedes	1580	# save first because save cedes
1331	$self->save;	1581	$self->save;
		1582
		1583	my $lock = cf::lock_acquire "map_data:" . $self->path;
1332		1584
1333	return if $self->players;	1585	return if $self->players;
1334	return if $self->in_memory != cf::MAP_IN_MEMORY;	1586	return if $self->in_memory != cf::MAP_IN_MEMORY;
1335	return if $self->{deny_save};	1587	return if $self->{deny_save};
1336		1588
…		…
1340		1592
1341	sub reset_at {	1593	sub reset_at {
1342	my ($self) = @_;	1594	my ($self) = @_;
1343		1595
1344	# TODO: safety, remove and allow resettable per-player maps	1596	# TODO: safety, remove and allow resettable per-player maps
1345	return 1e99 if $self->{path}{user_rel};	1597	return 1e99 if $self->isa ("ext::map_per_player");#d#
1346	return 1e99 if $self->{deny_reset};	1598	return 1e99 if $self->{deny_reset};
1347		1599
1348	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1600	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1349	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1601	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1350		1602
…		…
1355	my ($self) = @_;	1607	my ($self) = @_;
1356		1608
1357	$self->reset_at <= $cf::RUNTIME	1609	$self->reset_at <= $cf::RUNTIME
1358	}	1610	}
1359		1611
1360	sub unlink_save {
1361	my ($self) = @_;
1362
1363	utf8::encode (my $save = $self->{path}->save_path);
1364	aioreq_pri 3; IO::AIO::aio_unlink $save;
1365	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1366	}
1367
1368	sub rename {
1369	my ($self, $new_path) = @_;
1370
1371	$self->unlink_save;
1372
1373	delete $cf::MAP{$self->path};
1374	$self->{path} = new cf::path $new_path;
1375	$self->path ($self->{path}->as_string);
1376	$cf::MAP{$self->path} = $self;
1377
1378	$self->save;
1379	}
1380
1381	sub reset {	1612	sub reset {
1382	my ($self) = @_;	1613	my ($self) = @_;
1383		1614
		1615	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1616
1384	return if $self->players;	1617	return if $self->players;
1385	return if $self->{path}{user_rel};#d#	1618	return if $self->isa ("ext::map_per_player");#d#
1386		1619
1387	warn "resetting map ", $self->path;#d#	1620	warn "resetting map ", $self->path;#d#
1388		1621
		1622	$self->in_memory (cf::MAP_SWAPPED);
		1623
		1624	# need to save uniques path
		1625	unless ($self->{deny_save}) {
		1626	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1627
		1628	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1629	if $uniq;
		1630	}
		1631
1389	delete $cf::MAP{$self->path};	1632	delete $cf::MAP{$self->path};
		1633
		1634	$self->clear;
1390		1635
1391	$_->clear_links_to ($self) for values %cf::MAP;	1636	$_->clear_links_to ($self) for values %cf::MAP;
1392		1637
1393	$self->unlink_save;	1638	$self->unlink_save;
1394	$self->destroy;	1639	$self->destroy;
…		…
1397	my $nuke_counter = "aaaa";	1642	my $nuke_counter = "aaaa";
1398		1643
1399	sub nuke {	1644	sub nuke {
1400	my ($self) = @_;	1645	my ($self) = @_;
1401		1646
		1647	delete $cf::MAP{$self->path};
		1648
		1649	$self->unlink_save;
		1650
		1651	bless $self, "cf::map";
		1652	delete $self->{deny_reset};
1402	$self->{deny_save} = 1;	1653	$self->{deny_save} = 1;
1403	$self->reset_timeout (1);	1654	$self->reset_timeout (1);
1404	$self->rename ("{nuke}/" . ($nuke_counter++));	1655	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1656
		1657	$cf::MAP{$self->path} = $self;
		1658
1405	$self->reset; # polite request, might not happen	1659	$self->reset; # polite request, might not happen
1406	}	1660	}
1407		1661
1408	sub customise_for {	1662	=item cf::map::unique_maps
1409	my ($map, $ob) = @_;
1410		1663
1411	if ($map->per_player) {	1664	Returns an arrayref of paths of all shared maps that have
1412	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1665	instantiated unique items. May block.
1413	}
1414		1666
1415	$map	1667	=cut
1416	}
1417		1668
1418	sub emergency_save {	1669	sub unique_maps() {
1419	local $cf::FREEZE = 1;	1670	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1671	or return;
1420		1672
1421	warn "enter emergency map save\n";	1673	my @paths;
1422		1674
1423	cf::sync_job {	1675	for (@$files) {
1424	warn "begin emergency map save\n";	1676	utf8::decode $_;
1425	$_->save for values %cf::MAP;	1677	next if /\.pst$/;
		1678	next unless /^$PATH_SEP/o;
		1679
		1680	push @paths, cf::map::normalise $_;
1426	};	1681	}
1427		1682
1428	warn "end emergency map save\n";	1683	\@paths
1429	}	1684	}
1430		1685
1431	package cf;	1686	package cf;
1432		1687
1433	=back	1688	=back
1434		1689
		1690	=head3 cf::object
		1691
		1692	=cut
		1693
		1694	package cf::object;
		1695
		1696	=over 4
		1697
		1698	=item $ob->inv_recursive
		1699
		1700	Returns the inventory of the object _and_ their inventories, recursively.
		1701
		1702	=cut
		1703
		1704	sub inv_recursive_;
		1705	sub inv_recursive_ {
		1706	map { $_, inv_recursive_ $_->inv } @_
		1707	}
		1708
		1709	sub inv_recursive {
		1710	inv_recursive_ inv $_[0]
		1711	}
		1712
		1713	package cf;
		1714
		1715	=back
1435		1716
1436	=head3 cf::object::player	1717	=head3 cf::object::player
1437		1718
1438	=over 4	1719	=over 4
1439		1720
…		…
1479		1760
1480	=item $player_object->enter_link	1761	=item $player_object->enter_link
1481		1762
1482	Freezes the player and moves him/her to a special map (C<{link}>).	1763	Freezes the player and moves him/her to a special map (C<{link}>).
1483		1764
1484	The player should be reaosnably safe there for short amounts of time. You	1765	The player should be reasonably safe there for short amounts of time. You
1485	I<MUST> call C<leave_link> as soon as possible, though.	1766	I<MUST> call C<leave_link> as soon as possible, though.
1486		1767
		1768	Will never block.
		1769
1487	=item $player_object->leave_link ($map, $x, $y)	1770	=item $player_object->leave_link ($map, $x, $y)
1488		1771
1489	Moves the player out of the specila link map onto the given map. If the	1772	Moves the player out of the special C<{link}> map onto the specified
1490	map is not valid (or omitted), the player will be moved back to the	1773	map. If the map is not valid (or omitted), the player will be moved back
1491	location he/she was before the call to C<enter_link>, or, if that fails,	1774	to the location he/she was before the call to C<enter_link>, or, if that
1492	to the emergency map position.	1775	fails, to the emergency map position.
1493		1776
1494	Might block.	1777	Might block.
1495		1778
1496	=cut	1779	=cut
		1780
		1781	sub link_map {
		1782	unless ($LINK_MAP) {
		1783	$LINK_MAP = cf::map::find "{link}"
		1784	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1785	$LINK_MAP->load;
		1786	}
		1787
		1788	$LINK_MAP
		1789	}
1497		1790
1498	sub cf::object::player::enter_link {	1791	sub cf::object::player::enter_link {
1499	my ($self) = @_;	1792	my ($self) = @_;
1500		1793
1501	$self->deactivate_recursive;	1794	$self->deactivate_recursive;
1502		1795
1503	return if $self->map == $LINK_MAP;	1796	return if UNIVERSAL::isa $self->map, "ext::map_link";
1504		1797
1505	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1798	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1506	if $self->map;	1799	if $self->map;
1507		1800
1508	$self->enter_map ($LINK_MAP, 20, 20);	1801	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1509	}	1802	}
1510		1803
1511	sub cf::object::player::leave_link {	1804	sub cf::object::player::leave_link {
1512	my ($self, $map, $x, $y) = @_;	1805	my ($self, $map, $x, $y) = @_;
1513		1806
1514	my $link_pos = delete $self->{_link_pos};	1807	my $link_pos = delete $self->{_link_pos};
1515		1808
1516	unless ($map) {	1809	unless ($map) {
1517	# restore original map position	1810	# restore original map position
1518	($map, $x, $y) = @{ $link_pos || [] };	1811	($map, $x, $y) = @{ $link_pos || [] };
1519	$map = cf::map::find_map $map;	1812	$map = cf::map::find $map;
1520		1813
1521	unless ($map) {	1814	unless ($map) {
1522	($map, $x, $y) = @$EMERGENCY_POSITION;	1815	($map, $x, $y) = @$EMERGENCY_POSITION;
1523	$map = cf::map::find_map $map	1816	$map = cf::map::find $map
1524	or die "FATAL: cannot load emergency map\n";	1817	or die "FATAL: cannot load emergency map\n";
1525	}	1818	}
1526	}	1819	}
1527		1820
1528	($x, $y) = (-1, -1)	1821	($x, $y) = (-1, -1)
…		…
1531	# use -1 or undef as default coordinates, not 0, 0	1824	# use -1 or undef as default coordinates, not 0, 0
1532	($x, $y) = ($map->enter_x, $map->enter_y)	1825	($x, $y) = ($map->enter_x, $map->enter_y)
1533	if $x <=0 && $y <= 0;	1826	if $x <=0 && $y <= 0;
1534		1827
1535	$map->load;	1828	$map->load;
		1829	$map->load_diag;
1536		1830
		1831	return unless $self->contr->active;
1537	$self->activate_recursive;	1832	$self->activate_recursive;
		1833
		1834	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1538	$self->enter_map ($map, $x, $y);	1835	$self->enter_map ($map, $x, $y);
1539	}	1836	}
1540		1837
1541	cf::player->attach (	1838	cf::player->attach (
1542	on_logout => sub {	1839	on_logout => sub {
…		…
1554		1851
1555	# try to abort aborted map switching on player login :)	1852	# try to abort aborted map switching on player login :)
1556	# should happen only on crashes	1853	# should happen only on crashes
1557	if ($pl->ob->{_link_pos}) {	1854	if ($pl->ob->{_link_pos}) {
1558	$pl->ob->enter_link;	1855	$pl->ob->enter_link;
1559	cf::async {	1856	(async {
		1857	$pl->ob->reply (undef,
		1858	"There was an internal problem at your last logout, "
		1859	. "the server will try to bring you to your intended destination in a second.",
		1860	cf::NDI_RED);
1560	# we need this sleep as the login has a concurrent enter_exit running	1861	# we need this sleep as the login has a concurrent enter_exit running
1561	# and this sleep increases chances of the player not ending up in scorn	1862	# and this sleep increases chances of the player not ending up in scorn
1562	Coro::Timer::sleep 1;	1863	Coro::Timer::sleep 1;
1563	$pl->ob->leave_link;	1864	$pl->ob->leave_link;
1564	};	1865	})->prio (2);
1565	}	1866	}
1566	},	1867	},
1567	);	1868	);
1568		1869
1569	=item $player_object->goto_map ($path, $x, $y)	1870	=item $player_object->goto ($path, $x, $y)
1570		1871
1571	=cut	1872	=cut
1572		1873
1573	sub cf::object::player::goto_map {	1874	sub cf::object::player::goto {
1574	my ($self, $path, $x, $y) = @_;	1875	my ($self, $path, $x, $y) = @_;
1575		1876
1576	$self->enter_link;	1877	$self->enter_link;
1577		1878
1578	(cf::async {	1879	(async {
1579	$path = new cf::path $path;	1880	my $map = eval {
1580
1581	my $map = cf::map::find_map $path->as_string;	1881	my $map = cf::map::find $path;
1582	$map = $map->customise_for ($self) if $map;	1882	$map = $map->customise_for ($self) if $map;
1583		1883	$map
1584	# warn "entering ", $map->path, " at ($x, $y)\n"	1884	} or
1585	# if $map;
1586
1587	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1885	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1588		1886
1589	$self->leave_link ($map, $x, $y);	1887	$self->leave_link ($map, $x, $y);
1590	})->prio (1);	1888	})->prio (1);
1591	}	1889	}
1592		1890
…		…
1596		1894
1597	sub parse_random_map_params {	1895	sub parse_random_map_params {
1598	my ($spec) = @_;	1896	my ($spec) = @_;
1599		1897
1600	my $rmp = { # defaults	1898	my $rmp = { # defaults
1601	xsize => 10,	1899	xsize => (cf::rndm 15, 40),
1602	ysize => 10,	1900	ysize => (cf::rndm 15, 40),
		1901	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1902	#layout => string,
1603	};	1903	};
1604		1904
1605	for (split /\n/, $spec) {	1905	for (split /\n/, $spec) {
1606	my ($k, $v) = split /\s+/, $_, 2;	1906	my ($k, $v) = split /\s+/, $_, 2;
1607		1907
…		…
1611	$rmp	1911	$rmp
1612	}	1912	}
1613		1913
1614	sub prepare_random_map {	1914	sub prepare_random_map {
1615	my ($exit) = @_;	1915	my ($exit) = @_;
		1916
		1917	my $guard = cf::lock_acquire "exit_prepare:$exit";
1616		1918
1617	# all this does is basically replace the /! path by	1919	# all this does is basically replace the /! path by
1618	# a new random map path (?random/...) with a seed	1920	# a new random map path (?random/...) with a seed
1619	# that depends on the exit object	1921	# that depends on the exit object
1620		1922
1621	my $rmp = parse_random_map_params $exit->msg;	1923	my $rmp = parse_random_map_params $exit->msg;
1622		1924
1623	if ($exit->map) {	1925	if ($exit->map) {
1624	$rmp->{region} = $exit->map->region_name;	1926	$rmp->{region} = $exit->region->name;
1625	$rmp->{origin_map} = $exit->map->path;	1927	$rmp->{origin_map} = $exit->map->path;
1626	$rmp->{origin_x} = $exit->x;	1928	$rmp->{origin_x} = $exit->x;
1627	$rmp->{origin_y} = $exit->y;	1929	$rmp->{origin_y} = $exit->y;
1628	}	1930	}
1629		1931
1630	$rmp->{random_seed} ||= $exit->random_seed;	1932	$rmp->{random_seed} ||= $exit->random_seed;
1631		1933
1632	my $data = cf::to_json $rmp;	1934	my $data = cf::to_json $rmp;
1633	my $md5 = Digest::MD5::md5_hex $data;	1935	my $md5 = Digest::MD5::md5_hex $data;
		1936	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1634		1937
1635	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1938	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1636	aio_write $fh, 0, (length $data), $data, 0;	1939	aio_write $fh, 0, (length $data), $data, 0;
		1940	undef $fh;
		1941	aio_rename "$meta~", $meta;
1637		1942
1638	$exit->slaying ("?random/$md5");	1943	$exit->slaying ("?random/$md5");
1639	$exit->msg (undef);	1944	$exit->msg (undef);
1640	}	1945	}
1641	}	1946	}
…		…
1643	sub cf::object::player::enter_exit {	1948	sub cf::object::player::enter_exit {
1644	my ($self, $exit) = @_;	1949	my ($self, $exit) = @_;
1645		1950
1646	return unless $self->type == cf::PLAYER;	1951	return unless $self->type == cf::PLAYER;
1647		1952
		1953	if ($exit->slaying eq "/!") {
		1954	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1955	cf::sync_job { prepare_random_map $exit };
		1956	}
		1957
		1958	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1959	my $hp = $exit->stats->hp;
		1960	my $sp = $exit->stats->sp;
		1961
1648	$self->enter_link;	1962	$self->enter_link;
1649		1963
1650	(cf::async {	1964	(async {
		1965	$self->deactivate_recursive; # just to be sure
1651	unless (eval {	1966	unless (eval {
1652	prepare_random_map $exit	1967	$self->goto ($slaying, $hp, $sp);
1653	if $exit->slaying eq "/!";
1654
1655	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1656	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1657		1968
1658	1;	1969	1;
1659	}) {	1970	}) {
1660	$self->message ("Something went wrong deep within the crossfire server. "	1971	$self->message ("Something went wrong deep within the crossfire server. "
1661	. "I'll try to bring you back to the map you were before. "	1972	. "I'll try to bring you back to the map you were before. "
1662	. "Please report this to the dungeon master",	1973	. "Please report this to the dungeon master!",
1663	cf::NDI_UNIQUE | cf::NDI_RED);	1974	cf::NDI_UNIQUE | cf::NDI_RED);
1664		1975
1665	warn "ERROR in enter_exit: $@";	1976	warn "ERROR in enter_exit: $@";
1666	$self->leave_link;	1977	$self->leave_link;
1667	}	1978	}
…		…
1722	# get handled first	2033	# get handled first
1723	my $queue = delete $ns->{query_queue}	2034	my $queue = delete $ns->{query_queue}
1724	or return; # be conservative, not sure how that can happen, but we saw a crash here	2035	or return; # be conservative, not sure how that can happen, but we saw a crash here
1725		2036
1726	(shift @$queue)->[1]->($msg);	2037	(shift @$queue)->[1]->($msg);
		2038	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1727		2039
1728	push @{ $ns->{query_queue} }, @$queue;	2040	push @{ $ns->{query_queue} }, @$queue;
1729		2041
1730	if (@{ $ns->{query_queue} } == @$queue) {	2042	if (@{ $ns->{query_queue} } == @$queue) {
1731	if (@$queue) {	2043	if (@$queue) {
…		…
1735	}	2047	}
1736	}	2048	}
1737	},	2049	},
1738	);	2050	);
1739		2051
1740	=item $client->coro (\&cb)	2052	=item $client->async (\&cb)
1741		2053
1742	Create a new coroutine, running the specified callback. The coroutine will	2054	Create a new coroutine, running the specified callback. The coroutine will
1743	be automatically cancelled when the client gets destroyed (e.g. on logout,	2055	be automatically cancelled when the client gets destroyed (e.g. on logout,
1744	or loss of connection).	2056	or loss of connection).
1745		2057
1746	=cut	2058	=cut
1747		2059
1748	sub cf::client::coro {	2060	sub cf::client::async {
1749	my ($self, $cb) = @_;	2061	my ($self, $cb) = @_;
1750		2062
1751	my $coro = &cf::async ($cb);	2063	my $coro = &Coro::async ($cb);
1752		2064
1753	$coro->on_destroy (sub {	2065	$coro->on_destroy (sub {
1754	delete $self->{_coro}{$coro+0};	2066	delete $self->{_coro}{$coro+0};
1755	});	2067	});
1756		2068
…		…
1892	The parameter C<$family> should best start with the name of the extension	2204	The parameter C<$family> should best start with the name of the extension
1893	using it, it should be unique.	2205	using it, it should be unique.
1894		2206
1895	=over 4	2207	=over 4
1896		2208
1897	=item $hashref = cf::db_get $family
1898
1899	Return a hashref for use by the extension C<$family>, which can be
1900	modified. After modifications, you have to call C<cf::db_dirty> or
1901	C<cf::db_sync>.
1902
1903	=item $value = cf::db_get $family => $key	2209	=item $value = cf::db_get $family => $key
1904		2210
1905	Returns a single value from the database	2211	Returns a single value from the database.
1906
1907	=item cf::db_put $family => $hashref
1908
1909	Stores the given family hashref into the database. Updates are delayed, if
1910	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1911		2212
1912	=item cf::db_put $family => $key => $value	2213	=item cf::db_put $family => $key => $value
1913		2214
1914	Stores the given C<$value> in the family hash. Updates are delayed, if you	2215	Stores the given C<$value> in the family.
1915	want the data to be synced to disk immediately, use C<cf::db_sync>.
1916
1917	=item cf::db_dirty
1918
1919	Marks the database as dirty, to be updated at a later time.
1920
1921	=item cf::db_sync
1922
1923	Immediately write the database to disk I<if it is dirty>.
1924		2216
1925	=cut	2217	=cut
1926		2218
1927	our $DB;	2219	our $DB;
1928		2220
1929	{	2221	sub db_init {
		2222	unless ($DB) {
		2223	$DB = BDB::db_create $DB_ENV;
		2224
		2225	cf::sync_job {
		2226	eval {
		2227	$DB->set_flags (BDB::CHKSUM);
		2228
		2229	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2230	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2231	cf::cleanup "db_open(db): $!" if $!;
		2232	};
		2233	cf::cleanup "db_open(db): $@" if $@;
		2234	};
		2235
1930	my $path = cf::localdir . "/database.pst";	2236	my $path = cf::localdir . "/database.pst";
		2237	if (stat $path) {
		2238	cf::sync_job {
		2239	my $pst = Storable::retrieve $path;
1931		2240
1932	sub db_load() {	2241	cf::db_put (board => data => $pst->{board});
1933	$DB = stat $path ? Storable::retrieve $path : { };	2242	cf::db_put (guildrules => data => $pst->{guildrules});
1934	}	2243	cf::db_put (rent => balance => $pst->{rent}{balance});
		2244	BDB::db_env_txn_checkpoint $DB_ENV;
1935		2245
1936	my $pid;	2246	unlink $path;
1937
1938	sub db_save() {
1939	waitpid $pid, 0 if $pid;
1940	if (0 == ($pid = fork)) {
1941	$DB->{_meta}{version} = 1;
1942	Storable::nstore $DB, "$path~";
1943	rename "$path~", $path;
1944	cf::_exit 0 if defined $pid;
1945	}	2247	};
1946	}
1947
1948	my $dirty;
1949
1950	sub db_sync() {
1951	db_save if $dirty;
1952	undef $dirty;
1953	}
1954
1955	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1956	db_sync;
1957	});
1958
1959	sub db_dirty() {
1960	$dirty = 1;
1961	$idle->start;
1962	}
1963
1964	sub db_get($;$) {
1965	@_ >= 2
1966	? $DB->{$_[0]}{$_[1]}
1967	: ($DB->{$_[0]} ||= { })
1968	}
1969
1970	sub db_put($$;$) {
1971	if (@_ >= 3) {
1972	$DB->{$_[0]}{$_[1]} = $_[2];
1973	} else {
1974	$DB->{$_[0]} = $_[1];
1975	}
1976	db_dirty;
1977	}
1978
1979	cf::global->attach (
1980	prio => 10000,
1981	on_cleanup => sub {
1982	db_sync;
1983	},	2248	}
1984	);	2249	}
		2250	}
		2251
		2252	sub db_get($$) {
		2253	my $key = "$_[0]/$_[1]";
		2254
		2255	cf::sync_job {
		2256	BDB::db_get $DB, undef, $key, my $data;
		2257
		2258	$! ? ()
		2259	: Compress::LZF::sthaw $data
		2260	}
		2261	}
		2262
		2263	sub db_put($$$) {
		2264	BDB::dbreq_pri 4;
		2265	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1985	}	2266	}
1986		2267
1987	#############################################################################	2268	#############################################################################
1988	# the server's main()	2269	# the server's init and main functions
		2270
		2271	sub init_resources {
		2272	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2273	or die "unable to load regions file\n";#d#
		2274	}
1989		2275
1990	sub cfg_load {	2276	sub cfg_load {
1991	open my $fh, "<:utf8", cf::confdir . "/config"	2277	open my $fh, "<:utf8", cf::confdir . "/config"
1992	or return;	2278	or return;
1993		2279
1994	local $/;	2280	local $/;
1995	*CFG = YAML::Syck::Load <$fh>;	2281	*CFG = YAML::Syck::Load <$fh>;
1996		2282
1997	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2283	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1998		2284
		2285	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2286	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2287
1999	if (exists $CFG{mlockall}) {	2288	if (exists $CFG{mlockall}) {
2000	eval {	2289	eval {
2001	$CFG{mlockall} ? &mlockall : &munlockall	2290	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2002	and die "WARNING: m(un)lockall failed: $!\n";	2291	and die "WARNING: m(un)lockall failed: $!\n";
2003	};	2292	};
2004	warn $@ if $@;	2293	warn $@ if $@;
2005	}	2294	}
		2295	}
		2296
		2297	sub init {
		2298	init_resources;
2006	}	2299	}
2007		2300
2008	sub main {	2301	sub main {
2009	# we must not ever block the main coroutine	2302	# we must not ever block the main coroutine
2010	local $Coro::idle = sub {	2303	local $Coro::idle = sub {
2011	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2304	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2012	(Coro::unblock_sub {	2305	(async {
2013	Event::one_event;	2306	Event::one_event;
2014	})->();	2307	})->prio (Coro::PRIO_MAX);
2015	};	2308	};
2016		2309
2017	cfg_load;	2310	cfg_load;
2018	db_load;	2311	db_init;
2019	load_extensions;	2312	load_extensions;
		2313
		2314	$TICK_WATCHER->start;
2020	Event::loop;	2315	Event::loop;
2021	}	2316	}
2022		2317
2023	#############################################################################	2318	#############################################################################
2024	# initialisation	2319	# initialisation and cleanup
		2320
		2321	# install some emergency cleanup handlers
		2322	BEGIN {
		2323	for my $signal (qw(INT HUP TERM)) {
		2324	Event->signal (
		2325	reentrant => 0,
		2326	data => WF_AUTOCANCEL,
		2327	signal => $signal,
		2328	prio => 0,
		2329	cb => sub {
		2330	cf::cleanup "SIG$signal";
		2331	},
		2332	);
		2333	}
		2334	}
		2335
		2336	sub emergency_save() {
		2337	my $freeze_guard = cf::freeze_mainloop;
		2338
		2339	warn "enter emergency perl save\n";
		2340
		2341	cf::sync_job {
		2342	# use a peculiar iteration method to avoid tripping on perl
		2343	# refcount bugs in for. also avoids problems with players
		2344	# and maps saved/destroyed asynchronously.
		2345	warn "begin emergency player save\n";
		2346	for my $login (keys %cf::PLAYER) {
		2347	my $pl = $cf::PLAYER{$login} or next;
		2348	$pl->valid or next;
		2349	$pl->save;
		2350	}
		2351	warn "end emergency player save\n";
		2352
		2353	warn "begin emergency map save\n";
		2354	for my $path (keys %cf::MAP) {
		2355	my $map = $cf::MAP{$path} or next;
		2356	$map->valid or next;
		2357	$map->save;
		2358	}
		2359	warn "end emergency map save\n";
		2360
		2361	warn "begin emergency database checkpoint\n";
		2362	BDB::db_env_txn_checkpoint $DB_ENV;
		2363	warn "end emergency database checkpoint\n";
		2364	};
		2365
		2366	warn "leave emergency perl save\n";
		2367	}
		2368
		2369	sub post_cleanup {
		2370	my ($make_core) = @_;
		2371
		2372	warn Carp::longmess "post_cleanup backtrace"
		2373	if $make_core;
		2374	}
2025		2375
2026	sub reload() {	2376	sub reload() {
2027	# can/must only be called in main	2377	# can/must only be called in main
2028	if ($Coro::current != $Coro::main) {	2378	if ($Coro::current != $Coro::main) {
2029	warn "can only reload from main coroutine\n";	2379	warn "can only reload from main coroutine";
2030	return;	2380	return;
2031	}	2381	}
2032		2382
2033	warn "reloading...";	2383	warn "reloading...";
2034		2384
2035	local $FREEZE = 1;	2385	warn "entering sync_job";
		2386
		2387	cf::sync_job {
		2388	cf::write_runtime; # external watchdog should not bark
2036	cf::emergency_save;	2389	cf::emergency_save;
		2390	cf::write_runtime; # external watchdog should not bark
2037		2391
2038	eval {	2392	warn "syncing database to disk";
		2393	BDB::db_env_txn_checkpoint $DB_ENV;
		2394
2039	# if anything goes wrong in here, we should simply crash as we already saved	2395	# if anything goes wrong in here, we should simply crash as we already saved
2040		2396
2041	# cancel all watchers	2397	warn "cancelling all WF_AUTOCANCEL watchers";
2042	for (Event::all_watchers) {	2398	for (Event::all_watchers) {
2043	$_->cancel if $_->data & WF_AUTOCANCEL;	2399	$_->cancel if $_->data & WF_AUTOCANCEL;
2044	}	2400	}
2045		2401
		2402	warn "flushing outstanding aio requests";
		2403	for (;;) {
		2404	BDB::flush;
		2405	IO::AIO::flush;
		2406	Coro::cede;
		2407	last unless IO::AIO::nreqs || BDB::nreqs;
		2408	warn "iterate...";
		2409	}
		2410
2046	# cancel all extension coros	2411	warn "cancelling all extension coros";
2047	$_->cancel for values %EXT_CORO;	2412	$_->cancel for values %EXT_CORO;
2048	%EXT_CORO = ();	2413	%EXT_CORO = ();
2049		2414
2050	# unload all extensions	2415	warn "removing commands";
2051	for (@exts) {	2416	%COMMAND = ();
		2417
		2418	warn "removing ext commands";
		2419	%EXTCMD = ();
		2420
		2421	warn "unloading/nuking all extensions";
		2422	for my $pkg (@EXTS) {
2052	warn "unloading <$_>";	2423	warn "... unloading $pkg";
2053	unload_extension $_;	2424
		2425	if (my $cb = $pkg->can ("unload")) {
		2426	eval {
		2427	$cb->($pkg);
		2428	1
		2429	} or warn "$pkg unloaded, but with errors: $@";
2054	}	2430	}
2055		2431
		2432	warn "... nuking $pkg";
		2433	Symbol::delete_package $pkg;
		2434	}
		2435
2056	# unload all modules loaded from $LIBDIR	2436	warn "unloading all perl modules loaded from $LIBDIR";
2057	while (my ($k, $v) = each %INC) {	2437	while (my ($k, $v) = each %INC) {
2058	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2438	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2059		2439
2060	warn "removing <$k>";	2440	warn "... unloading $k";
2061	delete $INC{$k};	2441	delete $INC{$k};
2062		2442
2063	$k =~ s/\.pm$//;	2443	$k =~ s/\.pm$//;
2064	$k =~ s/\//::/g;	2444	$k =~ s/\//::/g;
2065		2445
…		…
2068	}	2448	}
2069		2449
2070	Symbol::delete_package $k;	2450	Symbol::delete_package $k;
2071	}	2451	}
2072		2452
2073	# sync database to disk
2074	cf::db_sync;
2075	IO::AIO::flush;
2076
2077	# get rid of safe::, as good as possible	2453	warn "getting rid of safe::, as good as possible";
2078	Symbol::delete_package "safe::$_"	2454	Symbol::delete_package "safe::$_"
2079	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2455	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2080		2456
2081	# remove register_script_function callbacks
2082	# TODO
2083
2084	# unload cf.pm "a bit"	2457	warn "unloading cf.pm \"a bit\"";
2085	delete $INC{"cf.pm"};	2458	delete $INC{"cf.pm"};
2086		2459
2087	# don't, removes xs symbols, too,	2460	# don't, removes xs symbols, too,
2088	# and global variables created in xs	2461	# and global variables created in xs
2089	#Symbol::delete_package __PACKAGE__;	2462	#Symbol::delete_package __PACKAGE__;
2090		2463
2091	# reload cf.pm	2464	warn "unload completed, starting to reload now";
		2465
2092	warn "reloading cf.pm";	2466	warn "reloading cf.pm";
2093	require cf;	2467	require cf;
2094	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2468	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2095		2469
2096	# load config and database again	2470	warn "loading config and database again";
2097	cf::cfg_load;	2471	cf::cfg_load;
2098	cf::db_load;
2099		2472
2100	# load extensions
2101	warn "load extensions";	2473	warn "loading extensions";
2102	cf::load_extensions;	2474	cf::load_extensions;
2103		2475
2104	# reattach attachments to objects	2476	warn "reattaching attachments to objects/players";
2105	warn "reattach";	2477	_global_reattach; # objects, sockets
2106	_global_reattach;	2478	warn "reattaching attachments to maps";
2107	};	2479	reattach $_ for values %MAP;
		2480	warn "reattaching attachments to players";
		2481	reattach $_ for values %PLAYER;
2108		2482
2109	if ($@) {	2483	warn "loading reloadable resources";
		2484	init_resources;
		2485
		2486	warn "leaving sync_job";
		2487
		2488	1
		2489	} or do {
2110	warn $@;	2490	warn $@;
2111	warn "error while reloading, exiting.";	2491	warn "error while reloading, exiting.";
2112	exit 1;	2492	exit 1;
2113	}	2493	};
2114		2494
2115	warn "reloaded successfully";	2495	warn "reloaded";
2116	};	2496	};
2117		2497
2118	#############################################################################	2498	our $RELOAD_WATCHER; # used only during reload
2119
2120	unless ($LINK_MAP) {
2121	$LINK_MAP = cf::map::new;
2122
2123	$LINK_MAP->width (41);
2124	$LINK_MAP->height (41);
2125	$LINK_MAP->alloc;
2126	$LINK_MAP->path ("{link}");
2127	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2128	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2129
2130	# dirty hack because... archetypes are not yet loaded
2131	Event->timer (
2132	after => 2,
2133	cb => sub {
2134	$_[0]->w->cancel;
2135
2136	# provide some exits "home"
2137	my $exit = cf::object::new "exit";
2138
2139	$exit->slaying ($EMERGENCY_POSITION->[0]);
2140	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2141	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2142
2143	$LINK_MAP->insert ($exit->clone, 19, 19);
2144	$LINK_MAP->insert ($exit->clone, 19, 20);
2145	$LINK_MAP->insert ($exit->clone, 19, 21);
2146	$LINK_MAP->insert ($exit->clone, 20, 19);
2147	$LINK_MAP->insert ($exit->clone, 20, 21);
2148	$LINK_MAP->insert ($exit->clone, 21, 19);
2149	$LINK_MAP->insert ($exit->clone, 21, 20);
2150	$LINK_MAP->insert ($exit->clone, 21, 21);
2151
2152	$exit->destroy;
2153	});
2154
2155	$LINK_MAP->{deny_save} = 1;
2156	$LINK_MAP->{deny_reset} = 1;
2157
2158	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2159	}
2160
2161	register "<global>", __PACKAGE__;
2162		2499
2163	register_command "reload" => sub {	2500	register_command "reload" => sub {
2164	my ($who, $arg) = @_;	2501	my ($who, $arg) = @_;
2165		2502
2166	if ($who->flag (FLAG_WIZ)) {	2503	if ($who->flag (FLAG_WIZ)) {
2167	$who->message ("start of reload.");	2504	$who->message ("reloading server.");
		2505
		2506	# doing reload synchronously and two reloads happen back-to-back,
		2507	# coro crashes during coro_state_free->destroy here.
		2508
		2509	$RELOAD_WATCHER ||= Event->timer (
		2510	reentrant => 0,
		2511	after => 0,
		2512	data => WF_AUTOCANCEL,
		2513	cb => sub {
2168	reload;	2514	reload;
2169	$who->message ("end of reload.");	2515	undef $RELOAD_WATCHER;
		2516	},
		2517	);
2170	}	2518	}
2171	};	2519	};
2172		2520
2173	unshift @INC, $LIBDIR;	2521	unshift @INC, $LIBDIR;
		2522
		2523	my $bug_warning = 0;
2174		2524
2175	$TICK_WATCHER = Event->timer (	2525	$TICK_WATCHER = Event->timer (
2176	reentrant => 0,	2526	reentrant => 0,
		2527	parked => 1,
2177	prio => 0,	2528	prio => 0,
2178	at => $NEXT_TICK || $TICK,	2529	at => $NEXT_TICK || $TICK,
2179	data => WF_AUTOCANCEL,	2530	data => WF_AUTOCANCEL,
2180	cb => sub {	2531	cb => sub {
2181	unless ($FREEZE) {	2532	if ($Coro::current != $Coro::main) {
		2533	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2534	unless ++$bug_warning > 10;
		2535	return;
		2536	}
		2537
		2538	$NOW = Event::time;
		2539
2182	cf::server_tick; # one server iteration	2540	cf::server_tick; # one server iteration
2183	$RUNTIME += $TICK;	2541	$RUNTIME += $TICK;
2184	}
2185
2186	$NEXT_TICK += $TICK;	2542	$NEXT_TICK += $TICK;
		2543
		2544	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2545	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2546	Coro::async_pool {
		2547	write_runtime
		2548	or warn "ERROR: unable to write runtime file: $!";
		2549	};
		2550	}
		2551
		2552	$WAIT_FOR_TICK->broadcast;
		2553	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2554
		2555	# my $AFTER = Event::time;
		2556	# warn $AFTER - $NOW;#d#
2187		2557
2188	# if we are delayed by four ticks or more, skip them all	2558	# if we are delayed by four ticks or more, skip them all
2189	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2559	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2190		2560
2191	$TICK_WATCHER->at ($NEXT_TICK);	2561	$TICK_WATCHER->at ($NEXT_TICK);
2192	$TICK_WATCHER->start;	2562	$TICK_WATCHER->start;
2193	},	2563	},
2194	);	2564	);
2195		2565
		2566	{
2196	IO::AIO::max_poll_time $TICK * 0.2;	2567	BDB::max_poll_time $TICK * 0.1;
2197		2568	$BDB_POLL_WATCHER = Event->io (
2198	Event->io (	2569	reentrant => 0,
2199	fd => IO::AIO::poll_fileno,	2570	fd => BDB::poll_fileno,
2200	poll => 'r',	2571	poll => 'r',
2201	prio => 5,	2572	prio => 0,
2202	data => WF_AUTOCANCEL,
2203	cb => \&IO::AIO::poll_cb,
2204	);
2205
2206	Event->timer (
2207	data => WF_AUTOCANCEL,	2573	data => WF_AUTOCANCEL,
2208	after => 0,	2574	cb => \&BDB::poll_cb,
2209	interval => 10,	2575	);
2210	cb => sub {	2576	BDB::min_parallel 8;
2211	(Coro::unblock_sub {	2577
2212	write_runtime	2578	BDB::set_sync_prepare {
2213	or warn "ERROR: unable to write runtime file: $!";	2579	my $status;
		2580	my $current = $Coro::current;
		2581	(
		2582	sub {
		2583	$status = $!;
		2584	$current->ready; undef $current;
		2585	},
		2586	sub {
		2587	Coro::schedule while defined $current;
		2588	$! = $status;
		2589	},
		2590	)
		2591	};
		2592
		2593	unless ($DB_ENV) {
		2594	$DB_ENV = BDB::db_env_create;
		2595
		2596	cf::sync_job {
		2597	eval {
		2598	BDB::db_env_open
		2599	$DB_ENV,
		2600	$BDB_ENV_DIR,
		2601	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2602	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2603	0666;
		2604
		2605	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2606
		2607	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2608	$DB_ENV->set_lk_detect;
		2609	};
		2610
		2611	cf::cleanup "db_env_open(db): $@" if $@;
2214	})->();	2612	};
2215	},	2613	}
2216	);	2614	}
		2615
		2616	{
		2617	IO::AIO::min_parallel 8;
		2618
		2619	undef $Coro::AIO::WATCHER;
		2620	IO::AIO::max_poll_time $TICK * 0.1;
		2621	$AIO_POLL_WATCHER = Event->io (
		2622	reentrant => 0,
		2623	data => WF_AUTOCANCEL,
		2624	fd => IO::AIO::poll_fileno,
		2625	poll => 'r',
		2626	prio => 6,
		2627	cb => \&IO::AIO::poll_cb,
		2628	);
		2629	}
2217		2630
2218	END { cf::emergency_save }	2631	END { cf::emergency_save }
2219		2632
2220	1	2633	1
2221		2634

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