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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.131 by root, Thu Jan 4 00:53:54 2007 UTC vs.
Revision 1.216 by root, Thu Feb 15 14:30:21 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;
…		…
332	my $runtime = cf::localdir . "/runtime";	359	my $runtime = cf::localdir . "/runtime";
333		360
334	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
335	or return;	362	or return;
336		363
		364	my $value = $cf::RUNTIME + 90 + 10;
337	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	365	# 10 is the runtime save interval, for a monotonic clock
		366	# 60 allows for the watchdog to kill the server.
		367
338	(aio_write $fh, 0, (length $value), $value, 0) <= 0	368	(aio_write $fh, 0, (length $value), $value, 0) <= 0
339	and return;	369	and return;
340		370
		371	# always fsync - this file is important
341	aio_fsync $fh	372	aio_fsync $fh
342	and return;	373	and return;
343		374
344	close $fh	375	close $fh
345	or return;	376	or return;
…		…
351	}	382	}
352		383
353	=back	384	=back
354		385
355	=cut	386	=cut
356
357	#############################################################################
358
359	package cf::path;
360
361	sub new {
362	my ($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		387
477	#############################################################################	388	#############################################################################
478		389
479	=head2 ATTACHABLE OBJECTS	390	=head2 ATTACHABLE OBJECTS
480		391
…		…
606	our @CB_TYPE = (); # registry for type (cf-object class) based events	517	our @CB_TYPE = (); # registry for type (cf-object class) based events
607	our @CB_MAP = ();	518	our @CB_MAP = ();
608		519
609	my %attachment;	520	my %attachment;
610		521
		522	sub cf::attachable::thawer_merge {
		523	# simply override everything except _meta
		524	local $_[0]{_meta};
		525	%{$_[0]} = %{$_[1]};
		526	}
		527
611	sub _attach_cb($$$$) {	528	sub _attach_cb($$$$) {
612	my ($registry, $event, $prio, $cb) = @_;	529	my ($registry, $event, $prio, $cb) = @_;
613		530
614	use sort 'stable';	531	use sort 'stable';
615		532
…		…
786	# object support	703	# object support
787		704
788	sub reattach {	705	sub reattach {
789	# basically do the same as instantiate, without calling instantiate	706	# basically do the same as instantiate, without calling instantiate
790	my ($obj) = @_;	707	my ($obj) = @_;
		708
		709	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
791		710
792	my $registry = $obj->registry;	711	my $registry = $obj->registry;
793		712
794	@$registry = ();	713	@$registry = ();
795		714
…		…
842	$filename, length $$rdata, scalar @$objs;	761	$filename, length $$rdata, scalar @$objs;
843		762
844	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
845	chmod SAVE_MODE, $fh;	764	chmod SAVE_MODE, $fh;
846	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
847	aio_fsync $fh;	766	aio_fsync $fh if $cf::USE_FSYNC;
848	close $fh;	767	close $fh;
849		768
850	if (@$objs) {	769	if (@$objs) {
851	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
852	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
853	my $data = Storable::nfreeze { version => 1, objs => $objs };	772	my $data = Storable::nfreeze { version => 1, objs => $objs };
854	aio_write $fh, 0, (length $data), $data, 0;	773	aio_write $fh, 0, (length $data), $data, 0;
855	aio_fsync $fh;	774	aio_fsync $fh if $cf::USE_FSYNC;
856	close $fh;	775	close $fh;
857	aio_rename "$filename.pst~", "$filename.pst";	776	aio_rename "$filename.pst~", "$filename.pst";
858	}	777	}
859	} else {	778	} else {
860	aio_unlink "$filename.pst";	779	aio_unlink "$filename.pst";
…		…
927	=cut	846	=cut
928		847
929	sub register_extcmd {	848	sub register_extcmd {
930	my ($name, $cb) = @_;	849	my ($name, $cb) = @_;
931		850
932	my $caller = caller;
933	#warn "registering extcmd '$name' to '$caller'";
934
935	$EXTCMD{$name} = [$cb, $caller];	851	$EXTCMD{$name} = $cb;
936	}	852	}
937		853
938	cf::player->attach (	854	cf::player->attach (
939	on_command => sub {	855	on_command => sub {
940	my ($pl, $name, $params) = @_;	856	my ($pl, $name, $params) = @_;
…		…
953		869
954	my $msg = eval { from_json $buf };	870	my $msg = eval { from_json $buf };
955		871
956	if (ref $msg) {	872	if (ref $msg) {
957	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
958	if (my %reply = $cb->[0]->($pl, $msg)) {	874	if (my %reply = $cb->($pl, $msg)) {
959	$pl->ext_reply ($msg->{msgid}, %reply);	875	$pl->ext_reply ($msg->{msgid}, %reply);
960	}	876	}
961	}	877	}
962	} else {	878	} else {
963	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
965		881
966	cf::override;	882	cf::override;
967	},	883	},
968	);	884	);
969		885
970	sub register {
971	my ($base, $pkg) = @_;
972
973	#TODO
974	}
975
976	sub load_extension {	886	sub load_extension {
977	my ($path) = @_;	887	my ($path) = @_;
978		888
979	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
980	my $base = $1;	890	my $base = $1;
981	my $pkg = $1;	891	my $pkg = $1;
982	$pkg =~ s/[^[:word:]]/_/g;	892	$pkg =~ s/[^[:word:]]/_/g;
983	$pkg = "ext::$pkg";	893	$pkg = "ext::$pkg";
984		894
985	warn "loading '$path' into '$pkg'\n";	895	warn "... loading '$path' into '$pkg'\n";
986		896
987	open my $fh, "<:utf8", $path	897	open my $fh, "<:utf8", $path
988	or die "$path: $!";	898	or die "$path: $!";
989		899
990	my $source =	900	my $source =
991	"package $pkg; use strict; use utf8;\n"	901	"package $pkg; use strict; use utf8;\n"
992	. "#line 1 \"$path\"\n{\n"	902	. "#line 1 \"$path\"\n{\n"
993	. (do { local $/; <$fh> })	903	. (do { local $/; <$fh> })
994	. "\n};\n1";	904	. "\n};\n1";
995		905
996	eval $source	906	unless (eval $source) {
997	or die $@ ? "$path: $@\n"	907	my $msg = $@ ? "$path: $@\n"
998	: "extension disabled.\n";	908	: "extension disabled.\n";
999		909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1000	push @exts, $pkg;	910	warn $@;
1001	$ext_pkg{$base} = $pkg;	911	warn "mandatory extension failed to load, exiting.\n";
1002		912	exit 1;
1003	# no strict 'refs';	913	}
1004	# @{"$pkg\::ISA"} = ext::;	914	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	# }	915	}
1019		916
1020	# remove commands	917	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	}	918	}
1045		919
1046	sub load_extensions {	920	sub load_extensions {
1047	for my $ext (<$LIBDIR/*.ext>) {	921	for my $ext (<$LIBDIR/*.ext>) {
1048	next unless -r $ext;	922	next unless -r $ext;
…		…
1052	} or warn "$ext not loaded: $@";	926	} or warn "$ext not loaded: $@";
1053	}	927	}
1054	}	928	}
1055		929
1056	#############################################################################	930	#############################################################################
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		931
1094	=head2 CORE EXTENSIONS	932	=head2 CORE EXTENSIONS
1095		933
1096	Functions and methods that extend core crossfire objects.	934	Functions and methods that extend core crossfire objects.
1097		935
		936	=cut
		937
		938	package cf::player;
		939
		940	use Coro::AIO;
		941
1098	=head3 cf::player	942	=head3 cf::player
1099		943
1100	=over 4	944	=over 4
1101		945
1102	=item cf::player::exists $login	946	=item cf::player::find $login
1103		947
1104	Returns true when the given account exists.	948	Returns the given player object, loading it if necessary (might block).
1105		949
1106	=cut	950	=cut
1107		951
1108	sub cf::player::exists($) {	952	sub playerdir($) {
1109	cf::player::find $_[0]	953	cf::localdir
1110	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	954	. "/"
		955	. cf::playerdir
		956	. "/"
		957	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		958	}
		959
		960	sub path($) {
		961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		962
		963	(playerdir $login) . "/$login.pl"
		964	}
		965
		966	sub find_active($) {
		967	$cf::PLAYER{$_[0]}
		968	and $cf::PLAYER{$_[0]}->active
		969	and $cf::PLAYER{$_[0]}
		970	}
		971
		972	sub exists($) {
		973	my ($login) = @_;
		974
		975	$cf::PLAYER{$login}
		976	or cf::sync_job { !aio_stat path $login }
		977	}
		978
		979	sub find($) {
		980	return $cf::PLAYER{$_[0]} || do {
		981	my $login = $_[0];
		982
		983	my $guard = cf::lock_acquire "user_find:$login";
		984
		985	$cf::PLAYER{$_[0]} || do {
		986	my $pl = load_pl path $login
		987	or return;
		988	$cf::PLAYER{$login} = $pl
		989	}
		990	}
		991	}
		992
		993	sub save($) {
		994	my ($pl) = @_;
		995
		996	return if $pl->{deny_save};
		997
		998	my $path = path $pl;
		999	my $guard = cf::lock_acquire "user_save:$path";
		1000
		1001	return if $pl->{deny_save};
		1002
		1003	aio_mkdir playerdir $pl, 0770;
		1004	$pl->{last_save} = $cf::RUNTIME;
		1005
		1006	$pl->save_pl ($path);
		1007	Coro::cede;
		1008	}
		1009
		1010	sub new($) {
		1011	my ($login) = @_;
		1012
		1013	my $self = create;
		1014
		1015	$self->ob->name ($login);
		1016	$self->{deny_save} = 1;
		1017
		1018	$cf::PLAYER{$login} = $self;
		1019
		1020	$self
		1021	}
		1022
		1023	=item $pl->quit_character
		1024
		1025	Nukes the player without looking back. If logged in, the connection will
		1026	be destroyed. May block for a long time.
		1027
		1028	=cut
		1029
		1030	sub quit_character {
		1031	my ($pl) = @_;
		1032
		1033	$pl->{deny_save} = 1;
		1034	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1035
		1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1037	$pl->deactivate;
		1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1039	$pl->ns->destroy if $pl->ns;
		1040
		1041	my $path = playerdir $pl;
		1042	my $temp = "$path~$cf::RUNTIME~deleting~";
		1043	aio_rename $path, $temp;
		1044	delete $cf::PLAYER{$pl->ob->name};
		1045	$pl->destroy;
		1046	IO::AIO::aio_rmtree $temp;
		1047	}
		1048
		1049	=item cf::player::list_logins
		1050
		1051	Returns am arrayref of all valid playernames in the system, can take a
		1052	while and may block, so not sync_job-capable, ever.
		1053
		1054	=cut
		1055
		1056	sub list_logins {
		1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1058	or return [];
		1059
		1060	my @logins;
		1061
		1062	for my $login (@$dirs) {
		1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1064	aio_read $fh, 0, 512, my $buf, 0 or next;
		1065	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1066
		1067	utf8::decode $login;
		1068	push @logins, $login;
		1069	}
		1070
		1071	\@logins
		1072	}
		1073
		1074	=item $player->maps
		1075
		1076	Returns an arrayref of map paths that are private for this
		1077	player. May block.
		1078
		1079	=cut
		1080
		1081	sub maps($) {
		1082	my ($pl) = @_;
		1083
		1084	$pl = ref $pl ? $pl->ob->name : $pl;
		1085
		1086	my $files = aio_readdir playerdir $pl
		1087	or return;
		1088
		1089	my @paths;
		1090
		1091	for (@$files) {
		1092	utf8::decode $_;
		1093	next if /\.(?:pl|pst)$/;
		1094	next unless /^$PATH_SEP/o;
		1095
		1096	push @paths, cf::map::normalise "~$pl/$_";
		1097	}
		1098
		1099	\@paths
1111	}	1100	}
1112		1101
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1102	=item $player->ext_reply ($msgid, $msgtype, %msg)
1114		1103
1115	Sends an ext reply to the player.	1104	Sends an ext reply to the player.
1116		1105
1117	=cut	1106	=cut
1118		1107
1119	sub cf::player::ext_reply($$$%) {	1108	sub ext_reply($$$%) {
1120	my ($self, $id, %msg) = @_;	1109	my ($self, $id, %msg) = @_;
1121		1110
1122	$msg{msgid} = $id;	1111	$msg{msgid} = $id;
1123		1112
1124	$self->send ("ext " . to_json \%msg);	1113	$self->send ("ext " . cf::to_json \%msg);
1125	}	1114	}
		1115
		1116	package cf;
1126		1117
1127	=back	1118	=back
1128		1119
1129		1120
1130	=head3 cf::map	1121	=head3 cf::map
…		…
1136	package cf::map;	1127	package cf::map;
1137		1128
1138	use Fcntl;	1129	use Fcntl;
1139	use Coro::AIO;	1130	use Coro::AIO;
1140		1131
		1132	use overload
		1133	'""' => \&as_string,
		1134	fallback => 1;
		1135
1141	our $MAX_RESET = 7200;	1136	our $MAX_RESET = 3600;
1142	our $DEFAULT_RESET = 3600;	1137	our $DEFAULT_RESET = 3000;
1143		1138
1144	sub generate_random_map {	1139	sub generate_random_map {
1145	my ($path, $rmp) = @_;	1140	my ($self, $rmp) = @_;
1146
1147	# mit "rum" bekleckern, nicht	1141	# mit "rum" bekleckern, nicht
1148	cf::map::_create_random_map	1142	$self->_create_random_map (
1149	$path,
1150	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1151	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1152	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1153	$rmp->{exit_on_final_map},	1146	$rmp->{exit_on_final_map},
1154	$rmp->{xsize}, $rmp->{ysize},	1147	$rmp->{xsize}, $rmp->{ysize},
1155	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1148	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1156	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1149	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1157	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1150	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1158	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1151	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1159	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1152	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1160	(cf::region::find $rmp->{region})	1153	(cf::region::find $rmp->{region}), $rmp->{custom}
		1154	)
		1155	}
		1156
		1157	=item cf::map->register ($regex, $prio)
		1158
		1159	Register a handler for the map path matching the given regex at the
		1160	givne priority (higher is better, built-in handlers have priority 0, the
		1161	default).
		1162
		1163	=cut
		1164
		1165	sub register {
		1166	my (undef, $regex, $prio) = @_;
		1167	my $pkg = caller;
		1168
		1169	no strict;
		1170	push @{"$pkg\::ISA"}, __PACKAGE__;
		1171
		1172	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1173	}
		1174
		1175	# also paths starting with '/'
		1176	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1177
		1178	sub thawer_merge {
		1179	my ($self, $merge) = @_;
		1180
		1181	# we have to keep some variables in memory intact
		1182	local $self->{path};
		1183	local $self->{load_path};
		1184	local $self->{deny_save};
		1185	local $self->{deny_reset};
		1186
		1187	$self->SUPER::thawer_merge ($merge);
		1188	}
		1189
		1190	sub normalise {
		1191	my ($path, $base) = @_;
		1192
		1193	$path = "$path"; # make sure its a string
		1194
		1195	$path =~ s/\.map$//;
		1196
		1197	# map plan:
		1198	#
		1199	# /! non-realised random map exit (special hack!)
		1200	# {... are special paths that are not being touched
		1201	# ?xxx/... are special absolute paths
		1202	# ?random/... random maps
		1203	# /... normal maps
		1204	# ~user/... per-player map of a specific user
		1205
		1206	$path =~ s/$PATH_SEP/\//go;
		1207
		1208	# treat it as relative path if it starts with
		1209	# something that looks reasonable
		1210	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1211	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1212
		1213	$base =~ s{[^/]+/?$}{};
		1214	$path = "$base/$path";
		1215	}
		1216
		1217	for ($path) {
		1218	redo if s{//}{/};
		1219	redo if s{/\.?/}{/};
		1220	redo if s{/[^/]+/\.\./}{/};
		1221	}
		1222
		1223	$path
		1224	}
		1225
		1226	sub new_from_path {
		1227	my (undef, $path, $base) = @_;
		1228
		1229	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1230
		1231	$path = normalise $path, $base;
		1232
		1233	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1234	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1235	my $self = bless cf::map::new, $pkg;
		1236	$self->{path} = $path; $self->path ($path);
		1237	$self->init; # pass $1 etc.
		1238	return $self;
		1239	}
		1240	}
		1241
		1242	Carp::carp "unable to resolve path '$path' (base '$base').";
		1243	()
		1244	}
		1245
		1246	sub init {
		1247	my ($self) = @_;
		1248
		1249	$self
		1250	}
		1251
		1252	sub as_string {
		1253	my ($self) = @_;
		1254
		1255	"$self->{path}"
		1256	}
		1257
		1258	# the displayed name, this is a one way mapping
		1259	sub visible_name {
		1260	&as_string
		1261	}
		1262
		1263	# the original (read-only) location
		1264	sub load_path {
		1265	my ($self) = @_;
		1266
		1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1268	}
		1269
		1270	# the temporary/swap location
		1271	sub save_path {
		1272	my ($self) = @_;
		1273
		1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1276	}
		1277
		1278	# the unique path, undef == no special unique path
		1279	sub uniq_path {
		1280	my ($self) = @_;
		1281
		1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1161	}	1284	}
1162		1285
1163	# and all this just because we cannot iterate over	1286	# and all this just because we cannot iterate over
1164	# all maps in C++...	1287	# all maps in C++...
1165	sub change_all_map_light {	1288	sub change_all_map_light {
…		…
1167		1290
1168	$_->change_map_light ($change)	1291	$_->change_map_light ($change)
1169	for grep $_->outdoor, values %cf::MAP;	1292	for grep $_->outdoor, values %cf::MAP;
1170	}	1293	}
1171		1294
		1295	sub unlink_save {
		1296	my ($self) = @_;
		1297
		1298	utf8::encode (my $save = $self->save_path);
		1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1300	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1301	}
		1302
1172	sub try_load_header($) {	1303	sub load_header_from($) {
1173	my ($path) = @_;	1304	my ($self, $path) = @_;
1174		1305
1175	utf8::encode $path;	1306	utf8::encode $path;
1176	aio_open $path, O_RDONLY, 0	1307	#aio_open $path, O_RDONLY, 0
		1308	# or return;
		1309
		1310	$self->_load_header ($path)
1177	or return;	1311	or return;
1178		1312
1179	my $map = cf::map::new	1313	$self->{load_path} = $path;
		1314
		1315	1
		1316	}
		1317
		1318	sub load_header_orig {
		1319	my ($self) = @_;
		1320
		1321	$self->load_header_from ($self->load_path)
		1322	}
		1323
		1324	sub load_header_temp {
		1325	my ($self) = @_;
		1326
		1327	$self->load_header_from ($self->save_path)
		1328	}
		1329
		1330	sub prepare_temp {
		1331	my ($self) = @_;
		1332
		1333	$self->last_access ((delete $self->{last_access})
		1334	|| $cf::RUNTIME); #d#
		1335	# safety
		1336	$self->{instantiate_time} = $cf::RUNTIME
		1337	if $self->{instantiate_time} > $cf::RUNTIME;
		1338	}
		1339
		1340	sub prepare_orig {
		1341	my ($self) = @_;
		1342
		1343	$self->{load_original} = 1;
		1344	$self->{instantiate_time} = $cf::RUNTIME;
		1345	$self->last_access ($cf::RUNTIME);
		1346	$self->instantiate;
		1347	}
		1348
		1349	sub load_header {
		1350	my ($self) = @_;
		1351
		1352	if ($self->load_header_temp) {
		1353	$self->prepare_temp;
		1354	} else {
		1355	$self->load_header_orig
1180	or return;	1356	or return;
		1357	$self->prepare_orig;
		1358	}
1181		1359
1182	$map->load_header ($path)	1360	1
1183	or return;
1184
1185	$map->{load_path} = $path;
1186
1187	$map
1188	}	1361	}
1189		1362
1190	sub find_map;	1363	sub find;
1191	sub find_map {	1364	sub find {
1192	my ($path, $origin) = @_;	1365	my ($path, $origin) = @_;
1193		1366
1194	#warn "find_map<$path,$origin>\n";#d#
1195
1196	$path = new cf::path $path, $origin && $origin->path;	1367	$path = normalise $path, $origin && $origin->path;
1197	my $key = $path->as_string;
1198		1368
1199	cf::lock_wait "map_find:$key";	1369	cf::lock_wait "map_find:$path";
1200		1370
1201	$cf::MAP{$key} || do {	1371	$cf::MAP{$path} || do {
1202	my $guard = cf::lock_acquire "map_find:$key";	1372	my $guard = cf::lock_acquire "map_find:$path";
1203		1373	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	# safety
1209	$map->{instantiate_time} = $cf::RUNTIME
1210	if $map->{instantiate_time} > $cf::RUNTIME;
1211	} else {
1212	if (my $rmp = $path->random_map_params) {
1213	$map = generate_random_map $key, $rmp;
1214	} else {
1215	$map = try_load_header $path->load_path;
1216	}
1217
1218	$map or return;	1374	or return;
1219		1375
1220	$map->{load_original} = 1;
1221	$map->{instantiate_time} = $cf::RUNTIME;
1222	$map->instantiate;
1223
1224	# per-player maps become, after loading, normal maps
1225	$map->per_player (0) if $path->{user_rel};
1226	}
1227
1228	$map->path ($key);
1229	$map->{path} = $path;
1230	$map->{last_save} = $cf::RUNTIME;	1376	$map->{last_save} = $cf::RUNTIME;
1231	$map->last_access ($cf::RUNTIME);
1232		1377
1233	if ($map->should_reset) {	1378	$map->load_header
		1379	or return;
		1380
		1381	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1382	# doing this can freeze the server in a sync job, obviously
		1383	#$cf::WAIT_FOR_TICK->wait;
1234	$map->reset;	1384	$map->reset;
1235	undef $guard;	1385	undef $guard;
1236	$map = find_map $path	1386	return find $path;
1237	or return;
1238	}	1387	}
1239		1388
1240	$cf::MAP{$key} = $map	1389	$cf::MAP{$path} = $map
1241	}	1390	}
1242	}	1391	}
		1392
		1393	sub pre_load { }
		1394	sub post_load { }
1243		1395
1244	sub load {	1396	sub load {
1245	my ($self) = @_;	1397	my ($self) = @_;
1246		1398
		1399	local $self->{deny_reset} = 1; # loading can take a long time
		1400
1247	my $path = $self->{path};	1401	my $path = $self->{path};
1248	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1402	my $guard = cf::lock_acquire "map_load:$path";
1249		1403
1250	return if $self->in_memory != cf::MAP_SWAPPED;	1404	return if $self->in_memory != cf::MAP_SWAPPED;
1251		1405
1252	$self->in_memory (cf::MAP_LOADING);	1406	$self->in_memory (cf::MAP_LOADING);
1253		1407
1254	$self->alloc;	1408	$self->alloc;
		1409
		1410	$self->pre_load;
		1411
1255	$self->load_objects ($self->{load_path}, 1)	1412	$self->_load_objects ($self->{load_path}, 1)
1256	or return;	1413	or return;
1257		1414
1258	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1415	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1259	if delete $self->{load_original};	1416	if delete $self->{load_original};
1260		1417
1261	if (my $uniq = $path->uniq_path) {	1418	if (my $uniq = $self->uniq_path) {
1262	utf8::encode $uniq;	1419	utf8::encode $uniq;
1263	if (aio_open $uniq, O_RDONLY, 0) {	1420	if (aio_open $uniq, O_RDONLY, 0) {
1264	$self->clear_unique_items;	1421	$self->clear_unique_items;
1265	$self->load_objects ($uniq, 0);	1422	$self->_load_objects ($uniq, 0);
1266	}	1423	}
1267	}	1424	}
		1425
		1426	Coro::cede;
1268		1427
1269	# now do the right thing for maps	1428	# now do the right thing for maps
1270	$self->link_multipart_objects;	1429	$self->link_multipart_objects;
1271		1430
1272	if ($self->{path}->is_style_map) {	1431	unless ($self->{deny_activate}) {
1273	$self->{deny_save} = 1;	1432	$self->decay_objects;
1274	$self->{deny_reset} = 1;
1275	} else {
1276	$self->fix_auto_apply;	1433	$self->fix_auto_apply;
1277	$self->decay_objects;
1278	$self->update_buttons;	1434	$self->update_buttons;
		1435	Coro::cede;
1279	$self->set_darkness_map;	1436	$self->set_darkness_map;
1280	$self->difficulty ($self->estimate_difficulty)	1437	$self->difficulty ($self->estimate_difficulty)
1281	unless $self->difficulty;	1438	unless $self->difficulty;
		1439	Coro::cede;
1282	$self->activate;	1440	$self->activate;
1283	}	1441	}
1284		1442
		1443	$self->post_load;
		1444
1285	$self->in_memory (cf::MAP_IN_MEMORY);	1445	$self->in_memory (cf::MAP_IN_MEMORY);
1286	}	1446	}
1287		1447
1288	sub load_map_sync {	1448	sub customise_for {
		1449	my ($self, $ob) = @_;
		1450
		1451	return find "~" . $ob->name . "/" . $self->{path}
		1452	if $self->per_player;
		1453
		1454	$self
		1455	}
		1456
		1457	# find and load all maps in the 3x3 area around a map
		1458	sub load_diag {
		1459	my ($map) = @_;
		1460
		1461	my @diag; # diagonal neighbours
		1462
		1463	for (0 .. 3) {
		1464	my $neigh = $map->tile_path ($_)
		1465	or next;
		1466	$neigh = find $neigh, $map
		1467	or next;
		1468	$neigh->load;
		1469
		1470	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1471	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1472	}
		1473
		1474	for (@diag) {
		1475	my $neigh = find @$_
		1476	or next;
		1477	$neigh->load;
		1478	}
		1479	}
		1480
		1481	sub find_sync {
1289	my ($path, $origin) = @_;	1482	my ($path, $origin) = @_;
1290		1483
1291	#warn "load_map_sync<$path, $origin>\n";#d#	1484	cf::sync_job { find $path, $origin }
		1485	}
1292		1486
1293	cf::sync_job {	1487	sub do_load_sync {
1294	my $map = cf::map::find_map $path, $origin	1488	my ($map) = @_;
1295	or return;	1489
		1490	cf::sync_job { $map->load };
		1491	}
		1492
		1493	our %MAP_PREFETCH;
		1494	our $MAP_PREFETCHER = undef;
		1495
		1496	sub find_async {
		1497	my ($path, $origin) = @_;
		1498
		1499	$path = normalise $path, $origin && $origin->{path};
		1500
		1501	if (my $map = $cf::MAP{$path}) {
		1502	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1503	}
		1504
		1505	undef $MAP_PREFETCH{$path};
		1506	$MAP_PREFETCHER ||= cf::async {
		1507	while (%MAP_PREFETCH) {
		1508	for my $path (keys %MAP_PREFETCH) {
		1509	my $map = find $path
		1510	or next;
1296	$map->load;	1511	$map->load;
1297	$map	1512
		1513	delete $MAP_PREFETCH{$path};
		1514	}
		1515	}
		1516	undef $MAP_PREFETCHER;
1298	}	1517	};
		1518	$MAP_PREFETCHER->prio (6);
		1519
		1520	()
1299	}	1521	}
1300		1522
1301	sub save {	1523	sub save {
1302	my ($self) = @_;	1524	my ($self) = @_;
1303		1525
		1526	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1527
1304	$self->{last_save} = $cf::RUNTIME;	1528	$self->{last_save} = $cf::RUNTIME;
1305		1529
1306	return unless $self->dirty;	1530	return unless $self->dirty;
1307		1531
1308	my $save = $self->{path}->save_path; utf8::encode $save;	1532	my $save = $self->save_path; utf8::encode $save;
1309	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1533	my $uniq = $self->uniq_path; utf8::encode $uniq;
1310		1534
1311	$self->{load_path} = $save;	1535	$self->{load_path} = $save;
1312		1536
1313	return if $self->{deny_save};	1537	return if $self->{deny_save};
1314		1538
		1539	local $self->{last_access} = $self->last_access;#d#
		1540
		1541	cf::async {
		1542	$_->contr->save for $self->players;
		1543	};
		1544
1315	if ($uniq) {	1545	if ($uniq) {
1316	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1546	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1317	$self->save_objects ($uniq, cf::IO_UNIQUES);	1547	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1318	} else {	1548	} else {
1319	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1549	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1320	}	1550	}
1321	}	1551	}
1322		1552
1323	sub swap_out {	1553	sub swap_out {
1324	my ($self) = @_;	1554	my ($self) = @_;
1325		1555
1326	# save first because save cedes	1556	# save first because save cedes
1327	$self->save;	1557	$self->save;
		1558
		1559	my $lock = cf::lock_acquire "map_data:" . $self->path;
1328		1560
1329	return if $self->players;	1561	return if $self->players;
1330	return if $self->in_memory != cf::MAP_IN_MEMORY;	1562	return if $self->in_memory != cf::MAP_IN_MEMORY;
1331	return if $self->{deny_save};	1563	return if $self->{deny_save};
1332		1564
…		…
1336		1568
1337	sub reset_at {	1569	sub reset_at {
1338	my ($self) = @_;	1570	my ($self) = @_;
1339		1571
1340	# TODO: safety, remove and allow resettable per-player maps	1572	# TODO: safety, remove and allow resettable per-player maps
1341	return 1e99 if $self->{path}{user_rel};	1573	return 1e99 if $self->isa ("ext::map_per_player");#d#
1342	return 1e99 if $self->{deny_reset};	1574	return 1e99 if $self->{deny_reset};
1343		1575
1344	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1576	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1345	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1577	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1346		1578
…		…
1351	my ($self) = @_;	1583	my ($self) = @_;
1352		1584
1353	$self->reset_at <= $cf::RUNTIME	1585	$self->reset_at <= $cf::RUNTIME
1354	}	1586	}
1355		1587
1356	sub unlink_save {
1357	my ($self) = @_;
1358
1359	utf8::encode (my $save = $self->{path}->save_path);
1360	aioreq_pri 3; IO::AIO::aio_unlink $save;
1361	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1362	}
1363
1364	sub rename {
1365	my ($self, $new_path) = @_;
1366
1367	$self->unlink_save;
1368
1369	delete $cf::MAP{$self->path};
1370	$self->{path} = new cf::path $new_path;
1371	$self->path ($self->{path}->as_string);
1372	$cf::MAP{$self->path} = $self;
1373
1374	$self->save;
1375	}
1376
1377	sub reset {	1588	sub reset {
1378	my ($self) = @_;	1589	my ($self) = @_;
1379		1590
		1591	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1592
1380	return if $self->players;	1593	return if $self->players;
1381	return if $self->{path}{user_rel};#d#	1594	return if $self->isa ("ext::map_per_player");#d#
1382		1595
1383	warn "resetting map ", $self->path;#d#	1596	warn "resetting map ", $self->path;#d#
1384		1597
		1598	$self->in_memory (cf::MAP_SWAPPED);
		1599
		1600	# need to save uniques path
		1601	unless ($self->{deny_save}) {
		1602	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1603
		1604	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1605	if $uniq;
		1606	}
		1607
1385	delete $cf::MAP{$self->path};	1608	delete $cf::MAP{$self->path};
		1609
		1610	$self->clear;
1386		1611
1387	$_->clear_links_to ($self) for values %cf::MAP;	1612	$_->clear_links_to ($self) for values %cf::MAP;
1388		1613
1389	$self->unlink_save;	1614	$self->unlink_save;
1390	$self->destroy;	1615	$self->destroy;
…		…
1393	my $nuke_counter = "aaaa";	1618	my $nuke_counter = "aaaa";
1394		1619
1395	sub nuke {	1620	sub nuke {
1396	my ($self) = @_;	1621	my ($self) = @_;
1397		1622
		1623	delete $cf::MAP{$self->path};
		1624
		1625	$self->unlink_save;
		1626
		1627	bless $self, "cf::map";
		1628	delete $self->{deny_reset};
1398	$self->{deny_save} = 1;	1629	$self->{deny_save} = 1;
1399	$self->reset_timeout (1);	1630	$self->reset_timeout (1);
1400	$self->rename ("{nuke}/" . ($nuke_counter++));	1631	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1632
		1633	$cf::MAP{$self->path} = $self;
		1634
1401	$self->reset; # polite request, might not happen	1635	$self->reset; # polite request, might not happen
1402	}	1636	}
1403		1637
1404	sub customise_for {	1638	=item cf::map::unique_maps
1405	my ($map, $ob) = @_;
1406		1639
1407	if ($map->per_player) {	1640	Returns an arrayref of paths of all shared maps that have
1408	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1641	instantiated unique items. May block.
1409	}
1410		1642
1411	$map	1643	=cut
1412	}
1413		1644
1414	sub emergency_save {	1645	sub unique_maps() {
1415	local $cf::FREEZE = 1;	1646	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1647	or return;
1416		1648
1417	warn "enter emergency map save\n";	1649	my @paths;
1418		1650
1419	cf::sync_job {	1651	for (@$files) {
1420	warn "begin emergency map save\n";	1652	utf8::decode $_;
1421	$_->save for values %cf::MAP;	1653	next if /\.pst$/;
		1654	next unless /^$PATH_SEP/o;
		1655
		1656	push @paths, cf::map::normalise $_;
1422	};	1657	}
1423		1658
1424	warn "end emergency map save\n";	1659	\@paths
1425	}	1660	}
1426		1661
1427	package cf;	1662	package cf;
1428		1663
1429	=back	1664	=back
1430		1665
		1666	=head3 cf::object
		1667
		1668	=cut
		1669
		1670	package cf::object;
		1671
		1672	=over 4
		1673
		1674	=item $ob->inv_recursive
		1675
		1676	Returns the inventory of the object _and_ their inventories, recursively.
		1677
		1678	=cut
		1679
		1680	sub inv_recursive_;
		1681	sub inv_recursive_ {
		1682	map { $_, inv_recursive_ $_->inv } @_
		1683	}
		1684
		1685	sub inv_recursive {
		1686	inv_recursive_ inv $_[0]
		1687	}
		1688
		1689	package cf;
		1690
		1691	=back
1431		1692
1432	=head3 cf::object::player	1693	=head3 cf::object::player
1433		1694
1434	=over 4	1695	=over 4
1435		1696
…		…
1475		1736
1476	=item $player_object->enter_link	1737	=item $player_object->enter_link
1477		1738
1478	Freezes the player and moves him/her to a special map (C<{link}>).	1739	Freezes the player and moves him/her to a special map (C<{link}>).
1479		1740
1480	The player should be reaosnably safe there for short amounts of time. You	1741	The player should be reasonably safe there for short amounts of time. You
1481	I<MUST> call C<leave_link> as soon as possible, though.	1742	I<MUST> call C<leave_link> as soon as possible, though.
1482		1743
		1744	Will never block.
		1745
1483	=item $player_object->leave_link ($map, $x, $y)	1746	=item $player_object->leave_link ($map, $x, $y)
1484		1747
1485	Moves the player out of the specila link map onto the given map. If the	1748	Moves the player out of the special C<{link}> map onto the specified
1486	map is not valid (or omitted), the player will be moved back to the	1749	map. If the map is not valid (or omitted), the player will be moved back
1487	location he/she was before the call to C<enter_link>, or, if that fails,	1750	to the location he/she was before the call to C<enter_link>, or, if that
1488	to the emergency map position.	1751	fails, to the emergency map position.
1489		1752
1490	Might block.	1753	Might block.
1491		1754
1492	=cut	1755	=cut
		1756
		1757	sub link_map {
		1758	unless ($LINK_MAP) {
		1759	$LINK_MAP = cf::map::find "{link}"
		1760	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1761	$LINK_MAP->load;
		1762	}
		1763
		1764	$LINK_MAP
		1765	}
1493		1766
1494	sub cf::object::player::enter_link {	1767	sub cf::object::player::enter_link {
1495	my ($self) = @_;	1768	my ($self) = @_;
1496		1769
1497	$self->deactivate_recursive;	1770	$self->deactivate_recursive;
1498		1771
1499	return if $self->map == $LINK_MAP;	1772	return if UNIVERSAL::isa $self->map, "ext::map_link";
1500		1773
1501	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1774	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1502	if $self->map;	1775	if $self->map;
1503		1776
1504	$self->enter_map ($LINK_MAP, 20, 20);	1777	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1505	}	1778	}
1506		1779
1507	sub cf::object::player::leave_link {	1780	sub cf::object::player::leave_link {
1508	my ($self, $map, $x, $y) = @_;	1781	my ($self, $map, $x, $y) = @_;
1509		1782
1510	my $link_pos = delete $self->{_link_pos};	1783	my $link_pos = delete $self->{_link_pos};
1511		1784
1512	unless ($map) {	1785	unless ($map) {
1513	# restore original map position	1786	# restore original map position
1514	($map, $x, $y) = @{ $link_pos || [] };	1787	($map, $x, $y) = @{ $link_pos || [] };
1515	$map = cf::map::find_map $map;	1788	$map = cf::map::find $map;
1516		1789
1517	unless ($map) {	1790	unless ($map) {
1518	($map, $x, $y) = @$EMERGENCY_POSITION;	1791	($map, $x, $y) = @$EMERGENCY_POSITION;
1519	$map = cf::map::find_map $map	1792	$map = cf::map::find $map
1520	or die "FATAL: cannot load emergency map\n";	1793	or die "FATAL: cannot load emergency map\n";
1521	}	1794	}
1522	}	1795	}
1523		1796
1524	($x, $y) = (-1, -1)	1797	($x, $y) = (-1, -1)
…		…
1527	# use -1 or undef as default coordinates, not 0, 0	1800	# use -1 or undef as default coordinates, not 0, 0
1528	($x, $y) = ($map->enter_x, $map->enter_y)	1801	($x, $y) = ($map->enter_x, $map->enter_y)
1529	if $x <=0 && $y <= 0;	1802	if $x <=0 && $y <= 0;
1530		1803
1531	$map->load;	1804	$map->load;
		1805	$map->load_diag;
1532		1806
		1807	return unless $self->contr->active;
1533	$self->activate_recursive;	1808	$self->activate_recursive;
		1809
		1810	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1534	$self->enter_map ($map, $x, $y);	1811	$self->enter_map ($map, $x, $y);
1535	}	1812	}
1536		1813
1537	cf::player->attach (	1814	cf::player->attach (
1538	on_logout => sub {	1815	on_logout => sub {
…		…
1550		1827
1551	# try to abort aborted map switching on player login :)	1828	# try to abort aborted map switching on player login :)
1552	# should happen only on crashes	1829	# should happen only on crashes
1553	if ($pl->ob->{_link_pos}) {	1830	if ($pl->ob->{_link_pos}) {
1554	$pl->ob->enter_link;	1831	$pl->ob->enter_link;
1555	cf::async {	1832	(async {
		1833	$pl->ob->reply (undef,
		1834	"There was an internal problem at your last logout, "
		1835	. "the server will try to bring you to your intended destination in a second.",
		1836	cf::NDI_RED);
1556	# we need this sleep as the login has a concurrent enter_exit running	1837	# we need this sleep as the login has a concurrent enter_exit running
1557	# and this sleep increases chances of the player not ending up in scorn	1838	# and this sleep increases chances of the player not ending up in scorn
1558	Coro::Timer::sleep 1;	1839	Coro::Timer::sleep 1;
1559	$pl->ob->leave_link;	1840	$pl->ob->leave_link;
1560	};	1841	})->prio (2);
1561	}	1842	}
1562	},	1843	},
1563	);	1844	);
1564		1845
1565	=item $player_object->goto_map ($path, $x, $y)	1846	=item $player_object->goto ($path, $x, $y)
1566		1847
1567	=cut	1848	=cut
1568		1849
1569	sub cf::object::player::goto_map {	1850	sub cf::object::player::goto {
1570	my ($self, $path, $x, $y) = @_;	1851	my ($self, $path, $x, $y) = @_;
1571		1852
1572	$self->enter_link;	1853	$self->enter_link;
1573		1854
1574	(cf::async {	1855	(async {
1575	$path = new cf::path $path;	1856	my $map = eval {
1576
1577	my $map = cf::map::find_map $path->as_string;	1857	my $map = cf::map::find $path;
1578	$map = $map->customise_for ($self) if $map;	1858	$map = $map->customise_for ($self) if $map;
1579		1859	$map
1580	# warn "entering ", $map->path, " at ($x, $y)\n"	1860	} or
1581	# if $map;
1582
1583	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1861	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1584		1862
1585	$self->leave_link ($map, $x, $y);	1863	$self->leave_link ($map, $x, $y);
1586	})->prio (1);	1864	})->prio (1);
1587	}	1865	}
1588		1866
…		…
1592		1870
1593	sub parse_random_map_params {	1871	sub parse_random_map_params {
1594	my ($spec) = @_;	1872	my ($spec) = @_;
1595		1873
1596	my $rmp = { # defaults	1874	my $rmp = { # defaults
1597	xsize => 10,	1875	xsize => (cf::rndm 15, 40),
1598	ysize => 10,	1876	ysize => (cf::rndm 15, 40),
		1877	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1878	#layout => string,
1599	};	1879	};
1600		1880
1601	for (split /\n/, $spec) {	1881	for (split /\n/, $spec) {
1602	my ($k, $v) = split /\s+/, $_, 2;	1882	my ($k, $v) = split /\s+/, $_, 2;
1603		1883
…		…
1607	$rmp	1887	$rmp
1608	}	1888	}
1609		1889
1610	sub prepare_random_map {	1890	sub prepare_random_map {
1611	my ($exit) = @_;	1891	my ($exit) = @_;
		1892
		1893	my $guard = cf::lock_acquire "exit_prepare:$exit";
1612		1894
1613	# all this does is basically replace the /! path by	1895	# all this does is basically replace the /! path by
1614	# a new random map path (?random/...) with a seed	1896	# a new random map path (?random/...) with a seed
1615	# that depends on the exit object	1897	# that depends on the exit object
1616		1898
1617	my $rmp = parse_random_map_params $exit->msg;	1899	my $rmp = parse_random_map_params $exit->msg;
1618		1900
1619	if ($exit->map) {	1901	if ($exit->map) {
1620	$rmp->{region} = $exit->map->region_name;	1902	$rmp->{region} = $exit->region->name;
1621	$rmp->{origin_map} = $exit->map->path;	1903	$rmp->{origin_map} = $exit->map->path;
1622	$rmp->{origin_x} = $exit->x;	1904	$rmp->{origin_x} = $exit->x;
1623	$rmp->{origin_y} = $exit->y;	1905	$rmp->{origin_y} = $exit->y;
1624	}	1906	}
1625		1907
1626	$rmp->{random_seed} ||= $exit->random_seed;	1908	$rmp->{random_seed} ||= $exit->random_seed;
1627		1909
1628	my $data = cf::to_json $rmp;	1910	my $data = cf::to_json $rmp;
1629	my $md5 = Digest::MD5::md5_hex $data;	1911	my $md5 = Digest::MD5::md5_hex $data;
		1912	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1630		1913
1631	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1914	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1632	aio_write $fh, 0, (length $data), $data, 0;	1915	aio_write $fh, 0, (length $data), $data, 0;
		1916	undef $fh;
		1917	aio_rename "$meta~", $meta;
1633		1918
1634	$exit->slaying ("?random/$md5");	1919	$exit->slaying ("?random/$md5");
1635	$exit->msg (undef);	1920	$exit->msg (undef);
1636	}	1921	}
1637	}	1922	}
…		…
1639	sub cf::object::player::enter_exit {	1924	sub cf::object::player::enter_exit {
1640	my ($self, $exit) = @_;	1925	my ($self, $exit) = @_;
1641		1926
1642	return unless $self->type == cf::PLAYER;	1927	return unless $self->type == cf::PLAYER;
1643		1928
		1929	if ($exit->slaying eq "/!") {
		1930	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1931	cf::sync_job { prepare_random_map $exit };
		1932	}
		1933
		1934	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1935	my $hp = $exit->stats->hp;
		1936	my $sp = $exit->stats->sp;
		1937
1644	$self->enter_link;	1938	$self->enter_link;
1645		1939
1646	(cf::async {	1940	(async {
		1941	$self->deactivate_recursive; # just to be sure
1647	unless (eval {	1942	unless (eval {
1648	prepare_random_map $exit	1943	$self->goto ($slaying, $hp, $sp);
1649	if $exit->slaying eq "/!";
1650
1651	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1652	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1653		1944
1654	1;	1945	1;
1655	}) {	1946	}) {
1656	$self->message ("Something went wrong deep within the crossfire server. "	1947	$self->message ("Something went wrong deep within the crossfire server. "
1657	. "I'll try to bring you back to the map you were before. "	1948	. "I'll try to bring you back to the map you were before. "
1658	. "Please report this to the dungeon master",	1949	. "Please report this to the dungeon master!",
1659	cf::NDI_UNIQUE | cf::NDI_RED);	1950	cf::NDI_UNIQUE | cf::NDI_RED);
1660		1951
1661	warn "ERROR in enter_exit: $@";	1952	warn "ERROR in enter_exit: $@";
1662	$self->leave_link;	1953	$self->leave_link;
1663	}	1954	}
…		…
1718	# get handled first	2009	# get handled first
1719	my $queue = delete $ns->{query_queue}	2010	my $queue = delete $ns->{query_queue}
1720	or return; # be conservative, not sure how that can happen, but we saw a crash here	2011	or return; # be conservative, not sure how that can happen, but we saw a crash here
1721		2012
1722	(shift @$queue)->[1]->($msg);	2013	(shift @$queue)->[1]->($msg);
		2014	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1723		2015
1724	push @{ $ns->{query_queue} }, @$queue;	2016	push @{ $ns->{query_queue} }, @$queue;
1725		2017
1726	if (@{ $ns->{query_queue} } == @$queue) {	2018	if (@{ $ns->{query_queue} } == @$queue) {
1727	if (@$queue) {	2019	if (@$queue) {
…		…
1731	}	2023	}
1732	}	2024	}
1733	},	2025	},
1734	);	2026	);
1735		2027
1736	=item $client->coro (\&cb)	2028	=item $client->async (\&cb)
1737		2029
1738	Create a new coroutine, running the specified callback. The coroutine will	2030	Create a new coroutine, running the specified callback. The coroutine will
1739	be automatically cancelled when the client gets destroyed (e.g. on logout,	2031	be automatically cancelled when the client gets destroyed (e.g. on logout,
1740	or loss of connection).	2032	or loss of connection).
1741		2033
1742	=cut	2034	=cut
1743		2035
1744	sub cf::client::coro {	2036	sub cf::client::async {
1745	my ($self, $cb) = @_;	2037	my ($self, $cb) = @_;
1746		2038
1747	my $coro = &cf::async ($cb);	2039	my $coro = &Coro::async ($cb);
1748		2040
1749	$coro->on_destroy (sub {	2041	$coro->on_destroy (sub {
1750	delete $self->{_coro}{$coro+0};	2042	delete $self->{_coro}{$coro+0};
1751	});	2043	});
1752		2044
…		…
1888	The parameter C<$family> should best start with the name of the extension	2180	The parameter C<$family> should best start with the name of the extension
1889	using it, it should be unique.	2181	using it, it should be unique.
1890		2182
1891	=over 4	2183	=over 4
1892		2184
1893	=item $hashref = cf::db_get $family
1894
1895	Return a hashref for use by the extension C<$family>, which can be
1896	modified. After modifications, you have to call C<cf::db_dirty> or
1897	C<cf::db_sync>.
1898
1899	=item $value = cf::db_get $family => $key	2185	=item $value = cf::db_get $family => $key
1900		2186
1901	Returns a single value from the database	2187	Returns a single value from the database.
1902
1903	=item cf::db_put $family => $hashref
1904
1905	Stores the given family hashref into the database. Updates are delayed, if
1906	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1907		2188
1908	=item cf::db_put $family => $key => $value	2189	=item cf::db_put $family => $key => $value
1909		2190
1910	Stores the given C<$value> in the family hash. Updates are delayed, if you	2191	Stores the given C<$value> in the family.
1911	want the data to be synced to disk immediately, use C<cf::db_sync>.
1912
1913	=item cf::db_dirty
1914
1915	Marks the database as dirty, to be updated at a later time.
1916
1917	=item cf::db_sync
1918
1919	Immediately write the database to disk I<if it is dirty>.
1920		2192
1921	=cut	2193	=cut
1922		2194
1923	our $DB;	2195	our $DB;
1924		2196
1925	{	2197	sub db_init {
		2198	unless ($DB) {
		2199	$DB = BDB::db_create $DB_ENV;
		2200
		2201	cf::sync_job {
		2202	eval {
		2203	$DB->set_flags (BDB::CHKSUM);
		2204
		2205	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2206	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2207	cf::cleanup "db_open(db): $!" if $!;
		2208	};
		2209	cf::cleanup "db_open(db): $@" if $@;
		2210	};
		2211
1926	my $path = cf::localdir . "/database.pst";	2212	my $path = cf::localdir . "/database.pst";
		2213	if (stat $path) {
		2214	cf::sync_job {
		2215	my $pst = Storable::retrieve $path;
1927		2216
1928	sub db_load() {	2217	cf::db_put (board => data => $pst->{board});
1929	$DB = stat $path ? Storable::retrieve $path : { };	2218	cf::db_put (guildrules => data => $pst->{guildrules});
1930	}	2219	cf::db_put (rent => balance => $pst->{rent}{balance});
		2220	BDB::db_env_txn_checkpoint $DB_ENV;
1931		2221
1932	my $pid;	2222	unlink $path;
1933
1934	sub db_save() {
1935	waitpid $pid, 0 if $pid;
1936	if (0 == ($pid = fork)) {
1937	$DB->{_meta}{version} = 1;
1938	Storable::nstore $DB, "$path~";
1939	rename "$path~", $path;
1940	cf::_exit 0 if defined $pid;
1941	}	2223	};
1942	}
1943
1944	my $dirty;
1945
1946	sub db_sync() {
1947	db_save if $dirty;
1948	undef $dirty;
1949	}
1950
1951	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1952	db_sync;
1953	});
1954
1955	sub db_dirty() {
1956	$dirty = 1;
1957	$idle->start;
1958	}
1959
1960	sub db_get($;$) {
1961	@_ >= 2
1962	? $DB->{$_[0]}{$_[1]}
1963	: ($DB->{$_[0]} ||= { })
1964	}
1965
1966	sub db_put($$;$) {
1967	if (@_ >= 3) {
1968	$DB->{$_[0]}{$_[1]} = $_[2];
1969	} else {
1970	$DB->{$_[0]} = $_[1];
1971	}
1972	db_dirty;
1973	}
1974
1975	cf::global->attach (
1976	prio => 10000,
1977	on_cleanup => sub {
1978	db_sync;
1979	},	2224	}
1980	);	2225	}
		2226	}
		2227
		2228	sub db_get($$) {
		2229	my $key = "$_[0]/$_[1]";
		2230
		2231	cf::sync_job {
		2232	BDB::db_get $DB, undef, $key, my $data;
		2233
		2234	$! ? ()
		2235	: Compress::LZF::sthaw $data
		2236	}
		2237	}
		2238
		2239	sub db_put($$$) {
		2240	BDB::dbreq_pri 4;
		2241	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1981	}	2242	}
1982		2243
1983	#############################################################################	2244	#############################################################################
1984	# the server's main()	2245	# the server's init and main functions
		2246
		2247	sub load_resources {
		2248	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2249	or die "unable to load regions file\n";#d#
		2250	}
1985		2251
1986	sub cfg_load {	2252	sub cfg_load {
1987	open my $fh, "<:utf8", cf::confdir . "/config"	2253	open my $fh, "<:utf8", cf::confdir . "/config"
1988	or return;	2254	or return;
1989		2255
1990	local $/;	2256	local $/;
1991	*CFG = YAML::Syck::Load <$fh>;	2257	*CFG = YAML::Syck::Load <$fh>;
1992		2258
1993	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2259	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1994		2260
		2261	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2262	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2263
1995	if (exists $CFG{mlockall}) {	2264	if (exists $CFG{mlockall}) {
1996	eval {	2265	eval {
1997	$CFG{mlockall} ? &mlockall : &munlockall	2266	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1998	and die "WARNING: m(un)lockall failed: $!\n";	2267	and die "WARNING: m(un)lockall failed: $!\n";
1999	};	2268	};
2000	warn $@ if $@;	2269	warn $@ if $@;
2001	}	2270	}
		2271	}
		2272
		2273	sub init {
		2274	load_resources;
2002	}	2275	}
2003		2276
2004	sub main {	2277	sub main {
2005	# we must not ever block the main coroutine	2278	# we must not ever block the main coroutine
2006	local $Coro::idle = sub {	2279	local $Coro::idle = sub {
2007	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2280	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2008	(Coro::unblock_sub {	2281	(async {
2009	Event::one_event;	2282	Event::one_event;
2010	})->();	2283	})->prio (Coro::PRIO_MAX);
2011	};	2284	};
2012		2285
2013	cfg_load;	2286	cfg_load;
2014	db_load;	2287	db_init;
2015	load_extensions;	2288	load_extensions;
		2289
		2290	$TICK_WATCHER->start;
2016	Event::loop;	2291	Event::loop;
2017	}	2292	}
2018		2293
2019	#############################################################################	2294	#############################################################################
2020	# initialisation	2295	# initialisation and cleanup
		2296
		2297	# install some emergency cleanup handlers
		2298	BEGIN {
		2299	for my $signal (qw(INT HUP TERM)) {
		2300	Event->signal (
		2301	reentrant => 0,
		2302	data => WF_AUTOCANCEL,
		2303	signal => $signal,
		2304	prio => 0,
		2305	cb => sub {
		2306	cf::cleanup "SIG$signal";
		2307	},
		2308	);
		2309	}
		2310	}
		2311
		2312	sub emergency_save() {
		2313	my $freeze_guard = cf::freeze_mainloop;
		2314
		2315	warn "enter emergency perl save\n";
		2316
		2317	cf::sync_job {
		2318	# use a peculiar iteration method to avoid tripping on perl
		2319	# refcount bugs in for. also avoids problems with players
		2320	# and maps saved/destroyed asynchronously.
		2321	warn "begin emergency player save\n";
		2322	for my $login (keys %cf::PLAYER) {
		2323	my $pl = $cf::PLAYER{$login} or next;
		2324	$pl->valid or next;
		2325	$pl->save;
		2326	}
		2327	warn "end emergency player save\n";
		2328
		2329	warn "begin emergency map save\n";
		2330	for my $path (keys %cf::MAP) {
		2331	my $map = $cf::MAP{$path} or next;
		2332	$map->valid or next;
		2333	$map->save;
		2334	}
		2335	warn "end emergency map save\n";
		2336
		2337	warn "begin emergency database checkpoint\n";
		2338	BDB::db_env_txn_checkpoint $DB_ENV;
		2339	warn "end emergency database checkpoint\n";
		2340	};
		2341
		2342	warn "leave emergency perl save\n";
		2343	}
		2344
		2345	sub post_cleanup {
		2346	my ($make_core) = @_;
		2347
		2348	warn Carp::longmess "post_cleanup backtrace"
		2349	if $make_core;
		2350	}
2021		2351
2022	sub reload() {	2352	sub reload() {
2023	# can/must only be called in main	2353	# can/must only be called in main
2024	if ($Coro::current != $Coro::main) {	2354	if ($Coro::current != $Coro::main) {
2025	warn "can only reload from main coroutine\n";	2355	warn "can only reload from main coroutine";
2026	return;	2356	return;
2027	}	2357	}
2028		2358
2029	warn "reloading...";	2359	warn "reloading...";
2030		2360
2031	local $FREEZE = 1;	2361	warn "entering sync_job";
		2362
		2363	cf::sync_job {
		2364	cf::write_runtime; # external watchdog should not bark
2032	cf::emergency_save;	2365	cf::emergency_save;
		2366	cf::write_runtime; # external watchdog should not bark
2033		2367
2034	eval {	2368	warn "syncing database to disk";
		2369	BDB::db_env_txn_checkpoint $DB_ENV;
		2370
2035	# if anything goes wrong in here, we should simply crash as we already saved	2371	# if anything goes wrong in here, we should simply crash as we already saved
2036		2372
2037	# cancel all watchers	2373	warn "cancelling all WF_AUTOCANCEL watchers";
2038	for (Event::all_watchers) {	2374	for (Event::all_watchers) {
2039	$_->cancel if $_->data & WF_AUTOCANCEL;	2375	$_->cancel if $_->data & WF_AUTOCANCEL;
2040	}	2376	}
2041		2377
		2378	warn "flushing outstanding aio requests";
		2379	for (;;) {
		2380	BDB::flush;
		2381	IO::AIO::flush;
		2382	Coro::cede;
		2383	last unless IO::AIO::nreqs || BDB::nreqs;
		2384	warn "iterate...";
		2385	}
		2386
2042	# cancel all extension coros	2387	warn "cancelling all extension coros";
2043	$_->cancel for values %EXT_CORO;	2388	$_->cancel for values %EXT_CORO;
2044	%EXT_CORO = ();	2389	%EXT_CORO = ();
2045		2390
2046	# unload all extensions	2391	warn "removing commands";
2047	for (@exts) {	2392	%COMMAND = ();
		2393
		2394	warn "removing ext commands";
		2395	%EXTCMD = ();
		2396
		2397	warn "unloading/nuking all extensions";
		2398	for my $pkg (@EXTS) {
2048	warn "unloading <$_>";	2399	warn "... unloading $pkg";
2049	unload_extension $_;	2400
		2401	if (my $cb = $pkg->can ("unload")) {
		2402	eval {
		2403	$cb->($pkg);
		2404	1
		2405	} or warn "$pkg unloaded, but with errors: $@";
2050	}	2406	}
2051		2407
		2408	warn "... nuking $pkg";
		2409	Symbol::delete_package $pkg;
		2410	}
		2411
2052	# unload all modules loaded from $LIBDIR	2412	warn "unloading all perl modules loaded from $LIBDIR";
2053	while (my ($k, $v) = each %INC) {	2413	while (my ($k, $v) = each %INC) {
2054	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2414	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2055		2415
2056	warn "removing <$k>";	2416	warn "... unloading $k";
2057	delete $INC{$k};	2417	delete $INC{$k};
2058		2418
2059	$k =~ s/\.pm$//;	2419	$k =~ s/\.pm$//;
2060	$k =~ s/\//::/g;	2420	$k =~ s/\//::/g;
2061		2421
…		…
2064	}	2424	}
2065		2425
2066	Symbol::delete_package $k;	2426	Symbol::delete_package $k;
2067	}	2427	}
2068		2428
2069	# sync database to disk
2070	cf::db_sync;
2071	IO::AIO::flush;
2072
2073	# get rid of safe::, as good as possible	2429	warn "getting rid of safe::, as good as possible";
2074	Symbol::delete_package "safe::$_"	2430	Symbol::delete_package "safe::$_"
2075	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2431	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2076		2432
2077	# remove register_script_function callbacks
2078	# TODO
2079
2080	# unload cf.pm "a bit"	2433	warn "unloading cf.pm \"a bit\"";
2081	delete $INC{"cf.pm"};	2434	delete $INC{"cf.pm"};
2082		2435
2083	# don't, removes xs symbols, too,	2436	# don't, removes xs symbols, too,
2084	# and global variables created in xs	2437	# and global variables created in xs
2085	#Symbol::delete_package __PACKAGE__;	2438	#Symbol::delete_package __PACKAGE__;
2086		2439
2087	# reload cf.pm	2440	warn "unload completed, starting to reload now";
		2441
2088	warn "reloading cf.pm";	2442	warn "reloading cf.pm";
2089	require cf;	2443	require cf;
2090	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2444	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2091		2445
2092	# load config and database again	2446	warn "loading config and database again";
2093	cf::cfg_load;	2447	cf::cfg_load;
2094	cf::db_load;
2095		2448
2096	# load extensions
2097	warn "load extensions";	2449	warn "loading extensions";
2098	cf::load_extensions;	2450	cf::load_extensions;
2099		2451
2100	# reattach attachments to objects	2452	warn "reattaching attachments to objects/players";
2101	warn "reattach";
2102	_global_reattach;	2453	_global_reattach;
2103	};	2454	warn "reattaching attachments to maps";
		2455	reattach $_ for values %MAP;
2104		2456
2105	if ($@) {	2457	warn "loading reloadable resources";
		2458	load_resources;
		2459
		2460	warn "leaving sync_job";
		2461
		2462	1
		2463	} or do {
2106	warn $@;	2464	warn $@;
2107	warn "error while reloading, exiting.";	2465	warn "error while reloading, exiting.";
2108	exit 1;	2466	exit 1;
2109	}	2467	};
2110		2468
2111	warn "reloaded successfully";	2469	warn "reloaded";
2112	};	2470	};
2113		2471
2114	#############################################################################	2472	our $RELOAD_WATCHER; # used only during reload
2115
2116	unless ($LINK_MAP) {
2117	$LINK_MAP = cf::map::new;
2118
2119	$LINK_MAP->width (41);
2120	$LINK_MAP->height (41);
2121	$LINK_MAP->alloc;
2122	$LINK_MAP->path ("{link}");
2123	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2124	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2125
2126	# dirty hack because... archetypes are not yet loaded
2127	Event->timer (
2128	after => 2,
2129	cb => sub {
2130	$_[0]->w->cancel;
2131
2132	# provide some exits "home"
2133	my $exit = cf::object::new "exit";
2134
2135	$exit->slaying ($EMERGENCY_POSITION->[0]);
2136	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2137	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2138
2139	$LINK_MAP->insert ($exit->clone, 19, 19);
2140	$LINK_MAP->insert ($exit->clone, 19, 20);
2141	$LINK_MAP->insert ($exit->clone, 19, 21);
2142	$LINK_MAP->insert ($exit->clone, 20, 19);
2143	$LINK_MAP->insert ($exit->clone, 20, 21);
2144	$LINK_MAP->insert ($exit->clone, 21, 19);
2145	$LINK_MAP->insert ($exit->clone, 21, 20);
2146	$LINK_MAP->insert ($exit->clone, 21, 21);
2147
2148	$exit->destroy;
2149	});
2150
2151	$LINK_MAP->{deny_save} = 1;
2152	$LINK_MAP->{deny_reset} = 1;
2153
2154	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2155	}
2156
2157	register "<global>", __PACKAGE__;
2158		2473
2159	register_command "reload" => sub {	2474	register_command "reload" => sub {
2160	my ($who, $arg) = @_;	2475	my ($who, $arg) = @_;
2161		2476
2162	if ($who->flag (FLAG_WIZ)) {	2477	if ($who->flag (FLAG_WIZ)) {
2163	$who->message ("start of reload.");	2478	$who->message ("reloading server.");
		2479
		2480	# doing reload synchronously and two reloads happen back-to-back,
		2481	# coro crashes during coro_state_free->destroy here.
		2482
		2483	$RELOAD_WATCHER ||= Event->timer (
		2484	reentrant => 0,
		2485	after => 0,
		2486	data => WF_AUTOCANCEL,
		2487	cb => sub {
2164	reload;	2488	reload;
2165	$who->message ("end of reload.");	2489	undef $RELOAD_WATCHER;
		2490	},
		2491	);
2166	}	2492	}
2167	};	2493	};
2168		2494
2169	unshift @INC, $LIBDIR;	2495	unshift @INC, $LIBDIR;
		2496
		2497	my $bug_warning = 0;
2170		2498
2171	$TICK_WATCHER = Event->timer (	2499	$TICK_WATCHER = Event->timer (
2172	reentrant => 0,	2500	reentrant => 0,
		2501	parked => 1,
2173	prio => 0,	2502	prio => 0,
2174	at => $NEXT_TICK || $TICK,	2503	at => $NEXT_TICK || $TICK,
2175	data => WF_AUTOCANCEL,	2504	data => WF_AUTOCANCEL,
2176	cb => sub {	2505	cb => sub {
2177	unless ($FREEZE) {	2506	if ($Coro::current != $Coro::main) {
		2507	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2508	unless ++$bug_warning > 10;
		2509	return;
		2510	}
		2511
		2512	$NOW = Event::time;
		2513
2178	cf::server_tick; # one server iteration	2514	cf::server_tick; # one server iteration
2179	$RUNTIME += $TICK;	2515	$RUNTIME += $TICK;
2180	}
2181
2182	$NEXT_TICK += $TICK;	2516	$NEXT_TICK += $TICK;
		2517
		2518	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2519	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2520	Coro::async_pool {
		2521	write_runtime
		2522	or warn "ERROR: unable to write runtime file: $!";
		2523	};
		2524	}
		2525
		2526
		2527	$WAIT_FOR_TICK->broadcast;
		2528	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2529
		2530	# my $AFTER = Event::time;
		2531	# warn $AFTER - $NOW;#d#
2183		2532
2184	# if we are delayed by four ticks or more, skip them all	2533	# if we are delayed by four ticks or more, skip them all
2185	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2534	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2186		2535
2187	$TICK_WATCHER->at ($NEXT_TICK);	2536	$TICK_WATCHER->at ($NEXT_TICK);
2188	$TICK_WATCHER->start;	2537	$TICK_WATCHER->start;
2189	},	2538	},
2190	);	2539	);
2191		2540
		2541	{
2192	IO::AIO::max_poll_time $TICK * 0.2;	2542	BDB::max_poll_time $TICK * 0.1;
2193		2543	$BDB_POLL_WATCHER = Event->io (
2194	Event->io (	2544	reentrant => 0,
2195	fd => IO::AIO::poll_fileno,	2545	fd => BDB::poll_fileno,
2196	poll => 'r',	2546	poll => 'r',
2197	prio => 5,	2547	prio => 0,
2198	data => WF_AUTOCANCEL,
2199	cb => \&IO::AIO::poll_cb,
2200	);
2201
2202	Event->timer (
2203	data => WF_AUTOCANCEL,	2548	data => WF_AUTOCANCEL,
2204	after => 0,	2549	cb => \&BDB::poll_cb,
2205	interval => 10,	2550	);
2206	cb => sub {	2551	BDB::min_parallel 8;
2207	(Coro::unblock_sub {	2552
2208	write_runtime	2553	BDB::set_sync_prepare {
2209	or warn "ERROR: unable to write runtime file: $!";	2554	my $status;
		2555	my $current = $Coro::current;
		2556	(
		2557	sub {
		2558	$status = $!;
		2559	$current->ready; undef $current;
		2560	},
		2561	sub {
		2562	Coro::schedule while defined $current;
		2563	$! = $status;
		2564	},
		2565	)
		2566	};
		2567
		2568	unless ($DB_ENV) {
		2569	$DB_ENV = BDB::db_env_create;
		2570
		2571	cf::sync_job {
		2572	eval {
		2573	BDB::db_env_open
		2574	$DB_ENV,
		2575	$BDB_ENV_DIR,
		2576	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2577	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2578	0666;
		2579
		2580	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2581
		2582	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2583	$DB_ENV->set_lk_detect;
		2584	};
		2585
		2586	cf::cleanup "db_env_open(db): $@" if $@;
2210	})->();	2587	};
2211	},	2588	}
2212	);	2589	}
		2590
		2591	{
		2592	IO::AIO::min_parallel 8;
		2593
		2594	undef $Coro::AIO::WATCHER;
		2595	IO::AIO::max_poll_time $TICK * 0.1;
		2596	$AIO_POLL_WATCHER = Event->io (
		2597	reentrant => 0,
		2598	data => WF_AUTOCANCEL,
		2599	fd => IO::AIO::poll_fileno,
		2600	poll => 'r',
		2601	prio => 6,
		2602	cb => \&IO::AIO::poll_cb,
		2603	);
		2604	}
2213		2605
2214	END { cf::emergency_save }	2606	END { cf::emergency_save }
2215		2607
2216	1	2608	1
2217		2609

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