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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.126 by root, Tue Jan 2 23:12:47 2007 UTC vs.
Revision 1.217 by root, Thu Feb 15 21:07:49 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3;	13	use Coro 3.5 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use BDB ();
		21	use Data::Dumper;
20	use Digest::MD5;	22	use Digest::MD5;
21	use Fcntl;	23	use Fcntl;
22	use IO::AIO 2.31 ();	24	use IO::AIO 2.32 ();
23	use YAML::Syck ();	25	use YAML::Syck ();
24	use Time::HiRes;	26	use Time::HiRes;
		27	use Compress::LZF;
		28
		29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
25		30
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
		32
		33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
27		34
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	36	$YAML::Syck::ImplicitUnicode = 1;
30		37
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		39
35	our %COMMAND = ();	40	our %COMMAND = ();
36	our %COMMAND_TIME = ();	41	our %COMMAND_TIME = ();
		42
		43	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	44	our %EXTCMD = ();
		45	our %EXT_CORO = (); # coroutines bound to extensions
		46	our %EXT_MAP = (); # pluggable maps
38		47
39	our @EVENT;	48	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	49	our $LIBDIR = datadir . "/ext";
41		50
42	our $TICK = MAX_TIME * 1e-6;	51	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	52	our $TICK_WATCHER;
		53	our $AIO_POLL_WATCHER;
		54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	55	our $NEXT_TICK;
45	our $NOW;	56	our $NOW;
		57	our $USE_FSYNC = 1; # use fsync to write maps - default off
		58
		59	our $BDB_POLL_WATCHER;
		60	our $DB_ENV;
46		61
47	our %CFG;	62	our %CFG;
48		63
49	our $UPTIME; $UPTIME ||= time;	64	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	65	our $RUNTIME;
51		66
		67	our %PLAYER; # all users
52	our %MAP; # all maps	68	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	69	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	70	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	71	our $BDB_ENV_DIR = cf::localdir . "/db";
		72
		73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		75
		76	# used to convert map paths into valid unix filenames by replacing / by ∕
		77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		78
58	binmode STDOUT;	79	binmode STDOUT;
59	binmode STDERR;	80	binmode STDERR;
60		81
61	# read virtual server time, if available	82	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	89	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	90	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	91	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	92	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	93	mkdir $RANDOM_MAPS;
		94	mkdir $BDB_ENV_DIR;
73		95
74	# a special map that is always available	96	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		97
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	98	sub cf::map::normalise;
78		99
79	#############################################################################	100	#############################################################################
80		101
81	=head2 GLOBAL VARIABLES	102	=head2 GLOBAL VARIABLES
82		103
…		…
106		127
107	=item %cf::CFG	128	=item %cf::CFG
108		129
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	130	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	131	from wherever your confdir points to.
		132
		133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		134
		135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		137	processing has been done. Call C<< ->wait >> on them to maximise the
		138	window of cpu time available, or simply to synchronise to the server tick.
111		139
112	=back	140	=back
113		141
114	=cut	142	=cut
115		143
…		…
119	utf8::encode $msg;	147	utf8::encode $msg;
120		148
121	$msg .= "\n"	149	$msg .= "\n"
122	unless $msg =~ /\n$/;	150	unless $msg =~ /\n$/;
123		151
124	LOG llevError, "cfperl: $msg";	152	LOG llevError, $msg;
125	};	153	};
126	}	154	}
127		155
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		175
148	$Event::DIED = sub {	176	$Event::DIED = sub {
149	warn "error in event callback: @_";	177	warn "error in event callback: @_";
150	};	178	};
151		179
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	180	=head2 UTILITY FUNCTIONS
157		181
158	=over 4	182	=over 4
159		183
		184	=item dumpval $ref
		185
160	=cut	186	=cut
		187
		188	sub dumpval {
		189	eval {
		190	local $SIG{__DIE__};
		191	my $d;
		192	if (1) {
		193	$d = new Data::Dumper([$_[0]], ["*var"]);
		194	$d->Terse(1);
		195	$d->Indent(2);
		196	$d->Quotekeys(0);
		197	$d->Useqq(1);
		198	#$d->Bless(...);
		199	$d->Seen($_[1]) if @_ > 1;
		200	$d = $d->Dump();
		201	}
		202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		203	$d
		204	} || "[unable to dump $_[0]: '$@']";
		205	}
161		206
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	207	use JSON::Syck (); # TODO# replace by JSON::PC once working
163		208
164	=item $ref = cf::from_json $json	209	=item $ref = cf::from_json $json
165		210
…		…
181	sub to_json($) {	226	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	228	JSON::Syck::Dump $_[0]
184	}	229	}
185		230
186	=item my $guard = cf::guard { BLOCK }
187
188	Run the given callback when the guard object gets destroyed (useful for
189	coroutine cancellations).
190
191	You can call C<< ->cancel >> on the guard object to stop the block from
192	being executed.
193
194	=cut
195
196	sub guard(&) {
197	bless \(my $cb = $_[0]), cf::guard::;
198	}
199
200	sub cf::guard::cancel {
201	${$_[0]} = sub { };
202	}
203
204	sub cf::guard::DESTROY {
205	${$_[0]}->();
206	}
207
208	=item cf::lock_wait $string	231	=item cf::lock_wait $string
209		232
210	Wait until the given lock is available. See cf::lock_acquire.	233	Wait until the given lock is available. See cf::lock_acquire.
211		234
212	=item my $lock = cf::lock_acquire $string	235	=item my $lock = cf::lock_acquire $string
213		236
214	Wait until the given lock is available and then acquires it and returns	237	Wait until the given lock is available and then acquires it and returns
215	a guard object. If the guard object gets destroyed (goes out of scope,	238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
216	for example when the coroutine gets canceled), the lock is automatically	239	for example when the coroutine gets canceled), the lock is automatically
217	returned.	240	returned.
218		241
219	Lock names should begin with a unique identifier (for example, find_map	242	Lock names should begin with a unique identifier (for example, cf::map::find
220	uses map_find and load_map uses map_load).	243	uses map_find and cf::map::load uses map_load).
221		244
222	=cut	245	=cut
223		246
224	our %LOCK;	247	our %LOCK;
225		248
…		…
239	# wait, to be sure we are not locked	262	# wait, to be sure we are not locked
240	lock_wait $key;	263	lock_wait $key;
241		264
242	$LOCK{$key} = [];	265	$LOCK{$key} = [];
243		266
244	cf::guard {	267	Coro::guard {
245	# wake up all waiters, to be on the safe side	268	# wake up all waiters, to be on the safe side
246	$_->ready for @{ delete $LOCK{$key} };	269	$_->ready for @{ delete $LOCK{$key} };
247	}	270	}
248	}	271	}
		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	$guard
		281	}
		282
		283	=item cf::async { BLOCK }
		284
		285	Currently the same as Coro::async_pool, meaning you cannot use
		286	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		287	thing you are allowed to do is call C<prio> on it.
		288
		289	=cut
		290
		291	BEGIN { *async = \&Coro::async_pool }
249		292
250	=item cf::sync_job { BLOCK }	293	=item cf::sync_job { BLOCK }
251		294
252	The design of crossfire+ requires that the main coro ($Coro::main) is	295	The design of crossfire+ requires that the main coro ($Coro::main) is
253	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
…		…
267	# this is the main coro, too bad, we have to block	310	# this is the main coro, too bad, we have to block
268	# till the operation succeeds, freezing the server :/	311	# till the operation succeeds, freezing the server :/
269		312
270	# TODO: use suspend/resume instead	313	# TODO: use suspend/resume instead
271	# (but this is cancel-safe)	314	# (but this is cancel-safe)
272	local $FREEZE = 1;	315	my $freeze_guard = freeze_mainloop;
273		316
274	my $busy = 1;	317	my $busy = 1;
275	my @res;	318	my @res;
276		319
277	(Coro::async {	320	(async {
278	@res = eval { $job->() };	321	@res = eval { $job->() };
279	warn $@ if $@;	322	warn $@ if $@;
280	undef $busy;	323	undef $busy;
281	})->prio (Coro::PRIO_MAX);	324	})->prio (Coro::PRIO_MAX);
282		325
283	while ($busy) {	326	while ($busy) {
284	Coro::cede_notself;	327	Coro::cede or Event::one_event;
285	Event::one_event unless Coro::nready;
286	}	328	}
287		329
288	wantarray ? @res : $res[0]	330	wantarray ? @res : $res[0]
289	} else {	331	} else {
290	# we are in another coroutine, how wonderful, everything just works	332	# we are in another coroutine, how wonderful, everything just works
291		333
292	$job->()	334	$job->()
293	}	335	}
294	}	336	}
295		337
296	=item $coro = cf::coro { BLOCK }	338	=item $coro = cf::async_ext { BLOCK }
297		339
298	Creates and returns a new coro. This coro is automcatially being canceled	340	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	341	extension calling this is being unloaded.
300		342
301	=cut	343	=cut
302		344
303	sub coro(&) {	345	sub async_ext(&) {
304	my $cb = shift;	346	my $cb = shift;
305		347
306	my $coro; $coro = async {	348	my $coro = &Coro::async ($cb);
307	eval {
308	$cb->();
309	};
310	warn $@ if $@;
311	};
312		349
313	$coro->on_destroy (sub {	350	$coro->on_destroy (sub {
314	delete $EXT_CORO{$coro+0};	351	delete $EXT_CORO{$coro+0};
315	});	352	});
316	$EXT_CORO{$coro+0} = $coro;	353	$EXT_CORO{$coro+0} = $coro;
…		…
322	my $runtime = cf::localdir . "/runtime";	359	my $runtime = cf::localdir . "/runtime";
323		360
324	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
325	or return;	362	or return;
326		363
		364	my $value = $cf::RUNTIME + 90 + 10;
327	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
328	(aio_write $fh, 0, (length $value), $value, 0) <= 0	368	(aio_write $fh, 0, (length $value), $value, 0) <= 0
329	and return;	369	and return;
330		370
		371	# always fsync - this file is important
331	aio_fsync $fh	372	aio_fsync $fh
332	and return;	373	and return;
333		374
334	close $fh	375	close $fh
335	or return;	376	or return;
…		…
341	}	382	}
342		383
343	=back	384	=back
344		385
345	=cut	386	=cut
346
347	#############################################################################
348
349	package cf::path;
350
351	sub new {
352	my ($class, $path, $base) = @_;
353
354	$path = $path->as_string if ref $path;
355
356	my $self = bless { }, $class;
357
358	# {... are special paths that are not touched
359	# ?xxx/... are special absolute paths
360	# ?random/... random maps
361	# /! non-realised random map exit
362	# /... normal maps
363	# ~/... per-player maps without a specific player (DO NOT USE)
364	# ~user/... per-player map of a specific user
365
366	if ($path =~ /^{/) {
367	# fine as it is
368	} elsif ($path =~ s{^\?random/}{}) {
369	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
370	$self->{random} = cf::from_json $data;
371	} else {
372	if ($path =~ s{^~([^/]+)?}{}) {
373	$self->{user_rel} = 1;
374
375	if (defined $1) {
376	$self->{user} = $1;
377	} elsif ($base =~ m{^~([^/]+)/}) {
378	$self->{user} = $1;
379	} else {
380	warn "cannot resolve user-relative path without user <$path,$base>\n";
381	}
382	} elsif ($path =~ /^\//) {
383	# already absolute
384	} else {
385	$base =~ s{[^/]+/?$}{};
386	return $class->new ("$base/$path");
387	}
388
389	for ($path) {
390	redo if s{/\.?/}{/};
391	redo if s{/[^/]+/\.\./}{/};
392	}
393	}
394
395	$self->{path} = $path;
396
397	$self
398	}
399
400	# the name / primary key / in-game path
401	sub as_string {
402	my ($self) = @_;
403
404	$self->{user_rel} ? "~$self->{user}$self->{path}"
405	: $self->{random} ? "?random/$self->{path}"
406	: $self->{path}
407	}
408
409	# the displayed name, this is a one way mapping
410	sub visible_name {
411	my ($self) = @_;
412
413	# if (my $rmp = $self->{random}) {
414	# # todo: be more intelligent about this
415	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
416	# } else {
417	$self->as_string
418	# }
419	}
420
421	# escape the /'s in the path
422	sub _escaped_path {
423	# ∕ is U+2215
424	(my $path = $_[0]{path}) =~ s/\//∕/g;
425	$path
426	}
427
428	# the original (read-only) location
429	sub load_path {
430	my ($self) = @_;
431
432	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
433	}
434
435	# the temporary/swap location
436	sub save_path {
437	my ($self) = @_;
438
439	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
440	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
441	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
442	}
443
444	# the unique path, might be eq to save_path
445	sub uniq_path {
446	my ($self) = @_;
447
448	$self->{user_rel} || $self->{random}
449	? undef
450	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
451	}
452
453	# return random map parameters, or undef
454	sub random_map_params {
455	my ($self) = @_;
456
457	$self->{random}
458	}
459
460	# this is somewhat ugly, but style maps do need special treatment
461	sub is_style_map {
462	$_[0]{path} =~ m{^/styles/}
463	}
464
465	package cf;
466		387
467	#############################################################################	388	#############################################################################
468		389
469	=head2 ATTACHABLE OBJECTS	390	=head2 ATTACHABLE OBJECTS
470		391
…		…
596	our @CB_TYPE = (); # registry for type (cf-object class) based events	517	our @CB_TYPE = (); # registry for type (cf-object class) based events
597	our @CB_MAP = ();	518	our @CB_MAP = ();
598		519
599	my %attachment;	520	my %attachment;
600		521
		522	sub cf::attachable::thawer_merge {
		523	# simply override everything except _meta
		524	local $_[0]{_meta};
		525	%{$_[0]} = %{$_[1]};
		526	}
		527
601	sub _attach_cb($$$$) {	528	sub _attach_cb($$$$) {
602	my ($registry, $event, $prio, $cb) = @_;	529	my ($registry, $event, $prio, $cb) = @_;
603		530
604	use sort 'stable';	531	use sort 'stable';
605		532
…		…
776	# object support	703	# object support
777		704
778	sub reattach {	705	sub reattach {
779	# basically do the same as instantiate, without calling instantiate	706	# basically do the same as instantiate, without calling instantiate
780	my ($obj) = @_;	707	my ($obj) = @_;
		708
		709	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
781		710
782	my $registry = $obj->registry;	711	my $registry = $obj->registry;
783		712
784	@$registry = ();	713	@$registry = ();
785		714
…		…
832	$filename, length $$rdata, scalar @$objs;	761	$filename, length $$rdata, scalar @$objs;
833		762
834	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
835	chmod SAVE_MODE, $fh;	764	chmod SAVE_MODE, $fh;
836	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
837	aio_fsync $fh;	766	aio_fsync $fh if $cf::USE_FSYNC;
838	close $fh;	767	close $fh;
839		768
840	if (@$objs) {	769	if (@$objs) {
841	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) {
842	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
843	my $data = Storable::nfreeze { version => 1, objs => $objs };	772	my $data = Storable::nfreeze { version => 1, objs => $objs };
844	aio_write $fh, 0, (length $data), $data, 0;	773	aio_write $fh, 0, (length $data), $data, 0;
845	aio_fsync $fh;	774	aio_fsync $fh if $cf::USE_FSYNC;
846	close $fh;	775	close $fh;
847	aio_rename "$filename.pst~", "$filename.pst";	776	aio_rename "$filename.pst~", "$filename.pst";
848	}	777	}
849	} else {	778	} else {
850	aio_unlink "$filename.pst";	779	aio_unlink "$filename.pst";
…		…
917	=cut	846	=cut
918		847
919	sub register_extcmd {	848	sub register_extcmd {
920	my ($name, $cb) = @_;	849	my ($name, $cb) = @_;
921		850
922	my $caller = caller;
923	#warn "registering extcmd '$name' to '$caller'";
924
925	$EXTCMD{$name} = [$cb, $caller];	851	$EXTCMD{$name} = $cb;
926	}	852	}
927		853
928	cf::player->attach (	854	cf::player->attach (
929	on_command => sub {	855	on_command => sub {
930	my ($pl, $name, $params) = @_;	856	my ($pl, $name, $params) = @_;
…		…
943		869
944	my $msg = eval { from_json $buf };	870	my $msg = eval { from_json $buf };
945		871
946	if (ref $msg) {	872	if (ref $msg) {
947	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
948	if (my %reply = $cb->[0]->($pl, $msg)) {	874	if (my %reply = $cb->($pl, $msg)) {
949	$pl->ext_reply ($msg->{msgid}, %reply);	875	$pl->ext_reply ($msg->{msgid}, %reply);
950	}	876	}
951	}	877	}
952	} else {	878	} else {
953	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
955		881
956	cf::override;	882	cf::override;
957	},	883	},
958	);	884	);
959		885
960	sub register {
961	my ($base, $pkg) = @_;
962
963	#TODO
964	}
965
966	sub load_extension {	886	sub load_extension {
967	my ($path) = @_;	887	my ($path) = @_;
968		888
969	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
970	my $base = $1;	890	my $base = $1;
971	my $pkg = $1;	891	my $pkg = $1;
972	$pkg =~ s/[^[:word:]]/_/g;	892	$pkg =~ s/[^[:word:]]/_/g;
973	$pkg = "ext::$pkg";	893	$pkg = "ext::$pkg";
974		894
975	warn "loading '$path' into '$pkg'\n";	895	warn "... loading '$path' into '$pkg'\n";
976		896
977	open my $fh, "<:utf8", $path	897	open my $fh, "<:utf8", $path
978	or die "$path: $!";	898	or die "$path: $!";
979		899
980	my $source =	900	my $source =
981	"package $pkg; use strict; use utf8;\n"	901	"package $pkg; use strict; use utf8;\n"
982	. "#line 1 \"$path\"\n{\n"	902	. "#line 1 \"$path\"\n{\n"
983	. (do { local $/; <$fh> })	903	. (do { local $/; <$fh> })
984	. "\n};\n1";	904	. "\n};\n1";
985		905
986	eval $source	906	unless (eval $source) {
987	or die $@ ? "$path: $@\n"	907	my $msg = $@ ? "$path: $@\n"
988	: "extension disabled.\n";	908	: "extension disabled.\n";
989		909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
990	push @exts, $pkg;	910	warn $@;
991	$ext_pkg{$base} = $pkg;	911	warn "mandatory extension failed to load, exiting.\n";
992		912	exit 1;
993	# no strict 'refs';	913	}
994	# @{"$pkg\::ISA"} = ext::;	914	die $@;
995
996	register $base, $pkg;
997	}
998
999	sub unload_extension {
1000	my ($pkg) = @_;
1001
1002	warn "removing extension $pkg\n";
1003
1004	# remove hooks
1005	#TODO
1006	# for my $idx (0 .. $#PLUGIN_EVENT) {
1007	# delete $hook[$idx]{$pkg};
1008	# }	915	}
1009		916
1010	# remove commands	917	push @EXTS, $pkg;
1011	for my $name (keys %COMMAND) {
1012	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1013
1014	if (@cb) {
1015	$COMMAND{$name} = \@cb;
1016	} else {
1017	delete $COMMAND{$name};
1018	}
1019	}
1020
1021	# remove extcmds
1022	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1023	delete $EXTCMD{$name};
1024	}
1025
1026	if (my $cb = $pkg->can ("unload")) {
1027	eval {
1028	$cb->($pkg);
1029	1
1030	} or warn "$pkg unloaded, but with errors: $@";
1031	}
1032
1033	Symbol::delete_package $pkg;
1034	}	918	}
1035		919
1036	sub load_extensions {	920	sub load_extensions {
1037	for my $ext (<$LIBDIR/*.ext>) {	921	for my $ext (<$LIBDIR/*.ext>) {
1038	next unless -r $ext;	922	next unless -r $ext;
…		…
1042	} or warn "$ext not loaded: $@";	926	} or warn "$ext not loaded: $@";
1043	}	927	}
1044	}	928	}
1045		929
1046	#############################################################################	930	#############################################################################
1047	# load/save/clean perl data associated with a map
1048
1049	*cf::mapsupport::on_clean = sub {
1050	my ($map) = @_;
1051
1052	my $path = $map->tmpname;
1053	defined $path or return;
1054
1055	unlink "$path.pst";
1056	};
1057
1058	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1059
1060	#############################################################################
1061	# load/save perl data associated with player->ob objects
1062
1063	sub all_objects(@) {
1064	@_, map all_objects ($_->inv), @_
1065	}
1066
1067	# TODO: compatibility cruft, remove when no longer needed
1068	cf::player->attach (
1069	on_load => sub {
1070	my ($pl, $path) = @_;
1071
1072	for my $o (all_objects $pl->ob) {
1073	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1074	$o->set_ob_key_value ("_perl_data");
1075
1076	%$o = %{ Storable::thaw pack "H*", $value };
1077	}
1078	}
1079	},
1080	);
1081
1082	#############################################################################
1083		931
1084	=head2 CORE EXTENSIONS	932	=head2 CORE EXTENSIONS
1085		933
1086	Functions and methods that extend core crossfire objects.	934	Functions and methods that extend core crossfire objects.
1087		935
		936	=cut
		937
		938	package cf::player;
		939
		940	use Coro::AIO;
		941
1088	=head3 cf::player	942	=head3 cf::player
1089		943
1090	=over 4	944	=over 4
1091		945
1092	=item cf::player::exists $login	946	=item cf::player::find $login
1093		947
1094	Returns true when the given account exists.	948	Returns the given player object, loading it if necessary (might block).
1095		949
1096	=cut	950	=cut
1097		951
1098	sub cf::player::exists($) {	952	sub playerdir($) {
1099	cf::player::find $_[0]	953	cf::localdir
1100	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
1101	}	1100	}
1102		1101
1103	=item $player->ext_reply ($msgid, $msgtype, %msg)	1102	=item $player->ext_reply ($msgid, $msgtype, %msg)
1104		1103
1105	Sends an ext reply to the player.	1104	Sends an ext reply to the player.
1106		1105
1107	=cut	1106	=cut
1108		1107
1109	sub cf::player::ext_reply($$$%) {	1108	sub ext_reply($$$%) {
1110	my ($self, $id, %msg) = @_;	1109	my ($self, $id, %msg) = @_;
1111		1110
1112	$msg{msgid} = $id;	1111	$msg{msgid} = $id;
1113		1112
1114	$self->send ("ext " . to_json \%msg);	1113	$self->send ("ext " . cf::to_json \%msg);
1115	}	1114	}
		1115
		1116	package cf;
1116		1117
1117	=back	1118	=back
1118		1119
1119		1120
1120	=head3 cf::map	1121	=head3 cf::map
…		…
1126	package cf::map;	1127	package cf::map;
1127		1128
1128	use Fcntl;	1129	use Fcntl;
1129	use Coro::AIO;	1130	use Coro::AIO;
1130		1131
		1132	use overload
		1133	'""' => \&as_string,
		1134	fallback => 1;
		1135
1131	our $MAX_RESET = 7200;	1136	our $MAX_RESET = 3600;
1132	our $DEFAULT_RESET = 3600;	1137	our $DEFAULT_RESET = 3000;
1133		1138
1134	sub generate_random_map {	1139	sub generate_random_map {
1135	my ($path, $rmp) = @_;	1140	my ($self, $rmp) = @_;
1136
1137	# mit "rum" bekleckern, nicht	1141	# mit "rum" bekleckern, nicht
1138	cf::map::_create_random_map	1142	$self->_create_random_map (
1139	$path,
1140	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1141	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1142	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1143	$rmp->{exit_on_final_map},	1146	$rmp->{exit_on_final_map},
1144	$rmp->{xsize}, $rmp->{ysize},	1147	$rmp->{xsize}, $rmp->{ysize},
1145	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1148	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1146	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1149	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1147	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1150	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1148	$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},
1149	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1152	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1150	(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
1151	}	1284	}
1152		1285
1153	# and all this just because we cannot iterate over	1286	# and all this just because we cannot iterate over
1154	# all maps in C++...	1287	# all maps in C++...
1155	sub change_all_map_light {	1288	sub change_all_map_light {
…		…
1157		1290
1158	$_->change_map_light ($change)	1291	$_->change_map_light ($change)
1159	for grep $_->outdoor, values %cf::MAP;	1292	for grep $_->outdoor, values %cf::MAP;
1160	}	1293	}
1161		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
1162	sub try_load_header($) {	1303	sub load_header_from($) {
1163	my ($path) = @_;	1304	my ($self, $path) = @_;
1164		1305
1165	utf8::encode $path;	1306	utf8::encode $path;
1166	aio_open $path, O_RDONLY, 0	1307	#aio_open $path, O_RDONLY, 0
		1308	# or return;
		1309
		1310	$self->_load_header ($path)
1167	or return;	1311	or return;
1168		1312
1169	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
1170	or return;	1356	or return;
		1357	$self->prepare_orig;
		1358	}
1171		1359
1172	$map->load_header ($path)	1360	1
1173	or return;
1174
1175	$map->{load_path} = $path;
1176
1177	$map
1178	}	1361	}
1179		1362
1180	sub find_map;	1363	sub find;
1181	sub find_map {	1364	sub find {
1182	my ($path, $origin) = @_;	1365	my ($path, $origin) = @_;
1183		1366
1184	#warn "find_map<$path,$origin>\n";#d#
1185
1186	$path = new cf::path $path, $origin && $origin->path;	1367	$path = normalise $path, $origin && $origin->path;
1187	my $key = $path->as_string;
1188		1368
1189	cf::lock_wait "map_find:$key";	1369	cf::lock_wait "map_find:$path";
1190		1370
1191	$cf::MAP{$key} || do {	1371	$cf::MAP{$path} || do {
1192	my $guard = cf::lock_acquire "map_find:$key";	1372	my $guard = cf::lock_acquire "map_find:$path";
1193		1373	my $map = new_from_path cf::map $path
1194	# do it the slow way
1195	my $map = try_load_header $path->save_path;
1196
1197	if ($map) {
1198	# safety
1199	$map->{instantiate_time} = $cf::RUNTIME
1200	if $map->{instantiate_time} > $cf::RUNTIME;
1201	} else {
1202	if (my $rmp = $path->random_map_params) {
1203	$map = generate_random_map $key, $rmp;
1204	} else {
1205	$map = try_load_header $path->load_path;
1206	}
1207
1208	$map or return;	1374	or return;
1209		1375
1210	$map->{load_original} = 1;
1211	$map->{instantiate_time} = $cf::RUNTIME;
1212	$map->instantiate;
1213
1214	# per-player maps become, after loading, normal maps
1215	$map->per_player (0) if $path->{user_rel};
1216	}
1217
1218	$map->path ($key);
1219	$map->{path} = $path;
1220	$map->{last_save} = $cf::RUNTIME;	1376	$map->{last_save} = $cf::RUNTIME;
1221	$map->last_access ($cf::RUNTIME);
1222		1377
1223	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;
1224	$map->reset;	1384	$map->reset;
1225	undef $guard;	1385	undef $guard;
1226	$map = find_map $path	1386	return find $path;
1227	or return;
1228	}	1387	}
1229		1388
1230	$cf::MAP{$key} = $map	1389	$cf::MAP{$path} = $map
1231	}	1390	}
1232	}	1391	}
		1392
		1393	sub pre_load { }
		1394	sub post_load { }
1233		1395
1234	sub load {	1396	sub load {
1235	my ($self) = @_;	1397	my ($self) = @_;
1236		1398
		1399	local $self->{deny_reset} = 1; # loading can take a long time
		1400
1237	my $path = $self->{path};	1401	my $path = $self->{path};
1238	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1402	my $guard = cf::lock_acquire "map_load:$path";
1239		1403
1240	return if $self->in_memory != cf::MAP_SWAPPED;	1404	return if $self->in_memory != cf::MAP_SWAPPED;
1241		1405
1242	$self->in_memory (cf::MAP_LOADING);	1406	$self->in_memory (cf::MAP_LOADING);
1243		1407
1244	$self->alloc;	1408	$self->alloc;
		1409
		1410	$self->pre_load;
		1411
1245	$self->load_objects ($self->{load_path}, 1)	1412	$self->_load_objects ($self->{load_path}, 1)
1246	or return;	1413	or return;
1247		1414
1248	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1415	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1249	if delete $self->{load_original};	1416	if delete $self->{load_original};
1250		1417
1251	if (my $uniq = $path->uniq_path) {	1418	if (my $uniq = $self->uniq_path) {
1252	utf8::encode $uniq;	1419	utf8::encode $uniq;
1253	if (aio_open $uniq, O_RDONLY, 0) {	1420	if (aio_open $uniq, O_RDONLY, 0) {
1254	$self->clear_unique_items;	1421	$self->clear_unique_items;
1255	$self->load_objects ($uniq, 0);	1422	$self->_load_objects ($uniq, 0);
1256	}	1423	}
1257	}	1424	}
		1425
		1426	Coro::cede;
1258		1427
1259	# now do the right thing for maps	1428	# now do the right thing for maps
1260	$self->link_multipart_objects;	1429	$self->link_multipart_objects;
1261		1430
1262	if ($self->{path}->is_style_map) {	1431	unless ($self->{deny_activate}) {
1263	$self->{deny_save} = 1;	1432	$self->decay_objects;
1264	$self->{deny_reset} = 1;
1265	} else {
1266	$self->fix_auto_apply;	1433	$self->fix_auto_apply;
1267	$self->decay_objects;
1268	$self->update_buttons;	1434	$self->update_buttons;
		1435	Coro::cede;
1269	$self->set_darkness_map;	1436	$self->set_darkness_map;
1270	$self->difficulty ($self->estimate_difficulty)	1437	$self->difficulty ($self->estimate_difficulty)
1271	unless $self->difficulty;	1438	unless $self->difficulty;
		1439	Coro::cede;
1272	$self->activate;	1440	$self->activate;
1273	}	1441	}
1274		1442
		1443	$self->post_load;
		1444
1275	$self->in_memory (cf::MAP_IN_MEMORY);	1445	$self->in_memory (cf::MAP_IN_MEMORY);
1276	}	1446	}
1277		1447
1278	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 {
1279	my ($path, $origin) = @_;	1482	my ($path, $origin) = @_;
1280		1483
1281	#warn "load_map_sync<$path, $origin>\n";#d#	1484	cf::sync_job { find $path, $origin }
		1485	}
1282		1486
1283	cf::sync_job {	1487	sub do_load_sync {
1284	my $map = cf::map::find_map $path, $origin	1488	my ($map) = @_;
1285	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;
1286	$map->load;	1511	$map->load;
1287	$map	1512
		1513	delete $MAP_PREFETCH{$path};
		1514	}
		1515	}
		1516	undef $MAP_PREFETCHER;
1288	}	1517	};
		1518	$MAP_PREFETCHER->prio (6);
		1519
		1520	()
1289	}	1521	}
1290		1522
1291	sub save {	1523	sub save {
1292	my ($self) = @_;	1524	my ($self) = @_;
1293		1525
		1526	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1527
1294	$self->{last_save} = $cf::RUNTIME;	1528	$self->{last_save} = $cf::RUNTIME;
1295		1529
1296	return unless $self->dirty;	1530	return unless $self->dirty;
1297		1531
1298	my $save = $self->{path}->save_path; utf8::encode $save;	1532	my $save = $self->save_path; utf8::encode $save;
1299	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1533	my $uniq = $self->uniq_path; utf8::encode $uniq;
1300		1534
1301	$self->{load_path} = $save;	1535	$self->{load_path} = $save;
1302		1536
1303	return if $self->{deny_save};	1537	return if $self->{deny_save};
1304		1538
		1539	local $self->{last_access} = $self->last_access;#d#
		1540
		1541	cf::async {
		1542	$_->contr->save for $self->players;
		1543	};
		1544
1305	if ($uniq) {	1545	if ($uniq) {
1306	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1546	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1307	$self->save_objects ($uniq, cf::IO_UNIQUES);	1547	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1308	} else {	1548	} else {
1309	$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);
1310	}	1550	}
1311	}	1551	}
1312		1552
1313	sub swap_out {	1553	sub swap_out {
1314	my ($self) = @_;	1554	my ($self) = @_;
		1555
		1556	# save first because save cedes
		1557	$self->save;
		1558
		1559	my $lock = cf::lock_acquire "map_data:" . $self->path;
1315		1560
1316	return if $self->players;	1561	return if $self->players;
1317	return if $self->in_memory != cf::MAP_IN_MEMORY;	1562	return if $self->in_memory != cf::MAP_IN_MEMORY;
1318	return if $self->{deny_save};	1563	return if $self->{deny_save};
1319		1564
1320	$self->save;
1321	$self->clear;	1565	$self->clear;
1322	$self->in_memory (cf::MAP_SWAPPED);	1566	$self->in_memory (cf::MAP_SWAPPED);
1323	}	1567	}
1324		1568
1325	sub reset_at {	1569	sub reset_at {
1326	my ($self) = @_;	1570	my ($self) = @_;
1327		1571
1328	# TODO: safety, remove and allow resettable per-player maps	1572	# TODO: safety, remove and allow resettable per-player maps
1329	return 1e99 if $self->{path}{user_rel};	1573	return 1e99 if $self->isa ("ext::map_per_player");#d#
1330	return 1e99 if $self->{deny_reset};	1574	return 1e99 if $self->{deny_reset};
1331		1575
1332	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1576	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1333	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;
1334		1578
…		…
1339	my ($self) = @_;	1583	my ($self) = @_;
1340		1584
1341	$self->reset_at <= $cf::RUNTIME	1585	$self->reset_at <= $cf::RUNTIME
1342	}	1586	}
1343		1587
1344	sub unlink_save {
1345	my ($self) = @_;
1346
1347	utf8::encode (my $save = $self->{path}->save_path);
1348	aioreq_pri 3; IO::AIO::aio_unlink $save;
1349	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1350	}
1351
1352	sub rename {
1353	my ($self, $new_path) = @_;
1354
1355	$self->unlink_save;
1356
1357	delete $cf::MAP{$self->path};
1358	$self->{path} = new cf::path $new_path;
1359	$self->path ($self->{path}->as_string);
1360	$cf::MAP{$self->path} = $self;
1361
1362	$self->save;
1363	}
1364
1365	sub reset {	1588	sub reset {
1366	my ($self) = @_;	1589	my ($self) = @_;
1367		1590
		1591	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1592
1368	return if $self->players;	1593	return if $self->players;
1369	return if $self->{path}{user_rel};#d#	1594	return if $self->isa ("ext::map_per_player");#d#
1370		1595
1371	warn "resetting map ", $self->path;#d#	1596	warn "resetting map ", $self->path;#d#
1372		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
1373	delete $cf::MAP{$self->path};	1608	delete $cf::MAP{$self->path};
		1609
		1610	$self->clear;
1374		1611
1375	$_->clear_links_to ($self) for values %cf::MAP;	1612	$_->clear_links_to ($self) for values %cf::MAP;
1376		1613
1377	$self->unlink_save;	1614	$self->unlink_save;
1378	$self->destroy;	1615	$self->destroy;
…		…
1381	my $nuke_counter = "aaaa";	1618	my $nuke_counter = "aaaa";
1382		1619
1383	sub nuke {	1620	sub nuke {
1384	my ($self) = @_;	1621	my ($self) = @_;
1385		1622
		1623	delete $cf::MAP{$self->path};
		1624
		1625	$self->unlink_save;
		1626
		1627	bless $self, "cf::map";
		1628	delete $self->{deny_reset};
1386	$self->{deny_save} = 1;	1629	$self->{deny_save} = 1;
1387	$self->reset_timeout (1);	1630	$self->reset_timeout (1);
1388	$self->rename ("{nuke}/" . ($nuke_counter++));	1631	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1632
		1633	$cf::MAP{$self->path} = $self;
		1634
1389	$self->reset; # polite request, might not happen	1635	$self->reset; # polite request, might not happen
1390	}	1636	}
1391		1637
1392	sub customise_for {	1638	=item cf::map::unique_maps
1393	my ($map, $ob) = @_;
1394		1639
1395	if ($map->per_player) {	1640	Returns an arrayref of paths of all shared maps that have
1396	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1641	instantiated unique items. May block.
1397	}
1398		1642
1399	$map	1643	=cut
1400	}
1401		1644
1402	sub emergency_save {	1645	sub unique_maps() {
1403	local $cf::FREEZE = 1;	1646	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1647	or return;
1404		1648
1405	warn "enter emergency map save\n";	1649	my @paths;
1406		1650
1407	cf::sync_job {	1651	for (@$files) {
1408	warn "begin emergency map save\n";	1652	utf8::decode $_;
1409	$_->save for values %cf::MAP;	1653	next if /\.pst$/;
		1654	next unless /^$PATH_SEP/o;
		1655
		1656	push @paths, cf::map::normalise $_;
1410	};	1657	}
1411		1658
1412	warn "end emergency map save\n";	1659	\@paths
1413	}	1660	}
1414		1661
1415	package cf;	1662	package cf;
1416		1663
1417	=back	1664	=back
1418		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
1419		1692
1420	=head3 cf::object::player	1693	=head3 cf::object::player
1421		1694
1422	=over 4	1695	=over 4
1423		1696
…		…
1463		1736
1464	=item $player_object->enter_link	1737	=item $player_object->enter_link
1465		1738
1466	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}>).
1467		1740
1468	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
1469	I<MUST> call C<leave_link> as soon as possible, though.	1742	I<MUST> call C<leave_link> as soon as possible, though.
1470		1743
		1744	Will never block.
		1745
1471	=item $player_object->leave_link ($map, $x, $y)	1746	=item $player_object->leave_link ($map, $x, $y)
1472		1747
1473	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
1474	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
1475	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
1476	to the emergency map position.	1751	fails, to the emergency map position.
1477		1752
1478	Might block.	1753	Might block.
1479		1754
1480	=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	}
1481		1766
1482	sub cf::object::player::enter_link {	1767	sub cf::object::player::enter_link {
1483	my ($self) = @_;	1768	my ($self) = @_;
1484		1769
1485	$self->deactivate_recursive;	1770	$self->deactivate_recursive;
1486		1771
1487	return if $self->map == $LINK_MAP;	1772	return if UNIVERSAL::isa $self->map, "ext::map_link";
1488		1773
1489	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1774	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1490	if $self->map;	1775	if $self->map;
1491		1776
1492	$self->enter_map ($LINK_MAP, 20, 20);	1777	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1493	}	1778	}
1494		1779
1495	sub cf::object::player::leave_link {	1780	sub cf::object::player::leave_link {
1496	my ($self, $map, $x, $y) = @_;	1781	my ($self, $map, $x, $y) = @_;
1497		1782
1498	my $link_pos = delete $self->{_link_pos};	1783	my $link_pos = delete $self->{_link_pos};
1499		1784
1500	unless ($map) {	1785	unless ($map) {
1501	# restore original map position	1786	# restore original map position
1502	($map, $x, $y) = @{ $link_pos || [] };	1787	($map, $x, $y) = @{ $link_pos || [] };
1503	$map = cf::map::find_map $map;	1788	$map = cf::map::find $map;
1504		1789
1505	unless ($map) {	1790	unless ($map) {
1506	($map, $x, $y) = @$EMERGENCY_POSITION;	1791	($map, $x, $y) = @$EMERGENCY_POSITION;
1507	$map = cf::map::find_map $map	1792	$map = cf::map::find $map
1508	or die "FATAL: cannot load emergency map\n";	1793	or die "FATAL: cannot load emergency map\n";
1509	}	1794	}
1510	}	1795	}
1511		1796
1512	($x, $y) = (-1, -1)	1797	($x, $y) = (-1, -1)
…		…
1515	# use -1 or undef as default coordinates, not 0, 0	1800	# use -1 or undef as default coordinates, not 0, 0
1516	($x, $y) = ($map->enter_x, $map->enter_y)	1801	($x, $y) = ($map->enter_x, $map->enter_y)
1517	if $x <=0 && $y <= 0;	1802	if $x <=0 && $y <= 0;
1518		1803
1519	$map->load;	1804	$map->load;
		1805	$map->load_diag;
1520		1806
		1807	return unless $self->contr->active;
1521	$self->activate_recursive;	1808	$self->activate_recursive;
		1809
		1810	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1522	$self->enter_map ($map, $x, $y);	1811	$self->enter_map ($map, $x, $y);
1523	}	1812	}
1524		1813
1525	cf::player->attach (	1814	cf::player->attach (
1526	on_logout => sub {	1815	on_logout => sub {
…		…
1538		1827
1539	# try to abort aborted map switching on player login :)	1828	# try to abort aborted map switching on player login :)
1540	# should happen only on crashes	1829	# should happen only on crashes
1541	if ($pl->ob->{_link_pos}) {	1830	if ($pl->ob->{_link_pos}) {
1542	$pl->ob->enter_link;	1831	$pl->ob->enter_link;
1543	Coro::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);
1544	# 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
1545	# 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
1546	Coro::Timer::sleep 1;	1839	Coro::Timer::sleep 1;
1547	$pl->ob->leave_link;	1840	$pl->ob->leave_link;
1548	};	1841	})->prio (2);
1549	}	1842	}
1550	},	1843	},
1551	);	1844	);
1552		1845
1553	=item $player_object->goto_map ($path, $x, $y)	1846	=item $player_object->goto ($path, $x, $y)
1554		1847
1555	=cut	1848	=cut
1556		1849
1557	sub cf::object::player::goto_map {	1850	sub cf::object::player::goto {
1558	my ($self, $path, $x, $y) = @_;	1851	my ($self, $path, $x, $y) = @_;
1559		1852
1560	$self->enter_link;	1853	$self->enter_link;
1561		1854
1562	(Coro::async {	1855	(async {
1563	$path = new cf::path $path;	1856	my $map = eval {
1564
1565	my $map = cf::map::find_map $path->as_string;	1857	my $map = cf::map::find $path;
1566	$map = $map->customise_for ($self) if $map;	1858	$map = $map->customise_for ($self) if $map;
1567		1859	$map
1568	# warn "entering ", $map->path, " at ($x, $y)\n"	1860	} or
1569	# if $map;
1570
1571	$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);
1572		1862
1573	$self->leave_link ($map, $x, $y);	1863	$self->leave_link ($map, $x, $y);
1574	})->prio (1);	1864	})->prio (1);
1575	}	1865	}
1576		1866
…		…
1580		1870
1581	sub parse_random_map_params {	1871	sub parse_random_map_params {
1582	my ($spec) = @_;	1872	my ($spec) = @_;
1583		1873
1584	my $rmp = { # defaults	1874	my $rmp = { # defaults
1585	xsize => 10,	1875	xsize => (cf::rndm 15, 40),
1586	ysize => 10,	1876	ysize => (cf::rndm 15, 40),
		1877	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1878	#layout => string,
1587	};	1879	};
1588		1880
1589	for (split /\n/, $spec) {	1881	for (split /\n/, $spec) {
1590	my ($k, $v) = split /\s+/, $_, 2;	1882	my ($k, $v) = split /\s+/, $_, 2;
1591		1883
…		…
1595	$rmp	1887	$rmp
1596	}	1888	}
1597		1889
1598	sub prepare_random_map {	1890	sub prepare_random_map {
1599	my ($exit) = @_;	1891	my ($exit) = @_;
		1892
		1893	my $guard = cf::lock_acquire "exit_prepare:$exit";
1600		1894
1601	# all this does is basically replace the /! path by	1895	# all this does is basically replace the /! path by
1602	# a new random map path (?random/...) with a seed	1896	# a new random map path (?random/...) with a seed
1603	# that depends on the exit object	1897	# that depends on the exit object
1604		1898
1605	my $rmp = parse_random_map_params $exit->msg;	1899	my $rmp = parse_random_map_params $exit->msg;
1606		1900
1607	if ($exit->map) {	1901	if ($exit->map) {
1608	$rmp->{region} = $exit->map->region_name;	1902	$rmp->{region} = $exit->region->name;
1609	$rmp->{origin_map} = $exit->map->path;	1903	$rmp->{origin_map} = $exit->map->path;
1610	$rmp->{origin_x} = $exit->x;	1904	$rmp->{origin_x} = $exit->x;
1611	$rmp->{origin_y} = $exit->y;	1905	$rmp->{origin_y} = $exit->y;
1612	}	1906	}
1613		1907
1614	$rmp->{random_seed} ||= $exit->random_seed;	1908	$rmp->{random_seed} ||= $exit->random_seed;
1615		1909
1616	my $data = cf::to_json $rmp;	1910	my $data = cf::to_json $rmp;
1617	my $md5 = Digest::MD5::md5_hex $data;	1911	my $md5 = Digest::MD5::md5_hex $data;
		1912	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1618		1913
1619	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) {
1620	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;
1621		1918
1622	$exit->slaying ("?random/$md5");	1919	$exit->slaying ("?random/$md5");
1623	$exit->msg (undef);	1920	$exit->msg (undef);
1624	}	1921	}
1625	}	1922	}
…		…
1627	sub cf::object::player::enter_exit {	1924	sub cf::object::player::enter_exit {
1628	my ($self, $exit) = @_;	1925	my ($self, $exit) = @_;
1629		1926
1630	return unless $self->type == cf::PLAYER;	1927	return unless $self->type == cf::PLAYER;
1631		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
1632	$self->enter_link;	1938	$self->enter_link;
1633		1939
1634	(Coro::async {	1940	(async {
		1941	$self->deactivate_recursive; # just to be sure
1635	unless (eval {	1942	unless (eval {
1636		1943	$self->goto ($slaying, $hp, $sp);
1637	prepare_random_map $exit
1638	if $exit->slaying eq "/!";
1639
1640	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1641	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1642		1944
1643	1;	1945	1;
1644	}) {	1946	}) {
1645	$self->message ("Something went wrong deep within the crossfire server. "	1947	$self->message ("Something went wrong deep within the crossfire server. "
1646	. "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. "
1647	. "Please report this to the dungeon master",	1949	. "Please report this to the dungeon master!",
1648	cf::NDI_UNIQUE | cf::NDI_RED);	1950	cf::NDI_UNIQUE | cf::NDI_RED);
1649		1951
1650	warn "ERROR in enter_exit: $@";	1952	warn "ERROR in enter_exit: $@";
1651	$self->leave_link;	1953	$self->leave_link;
1652	}	1954	}
…		…
1703	on_reply => sub {	2005	on_reply => sub {
1704	my ($ns, $msg) = @_;	2006	my ($ns, $msg) = @_;
1705		2007
1706	# this weird shuffling is so that direct followup queries	2008	# this weird shuffling is so that direct followup queries
1707	# get handled first	2009	# get handled first
1708	my $queue = delete $ns->{query_queue};	2010	my $queue = delete $ns->{query_queue}
		2011	or return; # be conservative, not sure how that can happen, but we saw a crash here
1709		2012
1710	(shift @$queue)->[1]->($msg);	2013	(shift @$queue)->[1]->($msg);
		2014	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1711		2015
1712	push @{ $ns->{query_queue} }, @$queue;	2016	push @{ $ns->{query_queue} }, @$queue;
1713		2017
1714	if (@{ $ns->{query_queue} } == @$queue) {	2018	if (@{ $ns->{query_queue} } == @$queue) {
1715	if (@$queue) {	2019	if (@$queue) {
…		…
1719	}	2023	}
1720	}	2024	}
1721	},	2025	},
1722	);	2026	);
1723		2027
1724	=item $client->coro (\&cb)	2028	=item $client->async (\&cb)
1725		2029
1726	Create a new coroutine, running the specified callback. The coroutine will	2030	Create a new coroutine, running the specified callback. The coroutine will
1727	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,
1728	or loss of connection).	2032	or loss of connection).
1729		2033
1730	=cut	2034	=cut
1731		2035
1732	sub cf::client::coro {	2036	sub cf::client::async {
1733	my ($self, $cb) = @_;	2037	my ($self, $cb) = @_;
1734		2038
1735	my $coro; $coro = async {	2039	my $coro = &Coro::async ($cb);
1736	eval {
1737	$cb->();
1738	};
1739	warn $@ if $@;
1740	};
1741		2040
1742	$coro->on_destroy (sub {	2041	$coro->on_destroy (sub {
1743	delete $self->{_coro}{$coro+0};	2042	delete $self->{_coro}{$coro+0};
1744	});	2043	});
1745		2044
…		…
1881	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
1882	using it, it should be unique.	2181	using it, it should be unique.
1883		2182
1884	=over 4	2183	=over 4
1885		2184
1886	=item $hashref = cf::db_get $family
1887
1888	Return a hashref for use by the extension C<$family>, which can be
1889	modified. After modifications, you have to call C<cf::db_dirty> or
1890	C<cf::db_sync>.
1891
1892	=item $value = cf::db_get $family => $key	2185	=item $value = cf::db_get $family => $key
1893		2186
1894	Returns a single value from the database	2187	Returns a single value from the database.
1895
1896	=item cf::db_put $family => $hashref
1897
1898	Stores the given family hashref into the database. Updates are delayed, if
1899	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1900		2188
1901	=item cf::db_put $family => $key => $value	2189	=item cf::db_put $family => $key => $value
1902		2190
1903	Stores the given C<$value> in the family hash. Updates are delayed, if you	2191	Stores the given C<$value> in the family.
1904	want the data to be synced to disk immediately, use C<cf::db_sync>.
1905
1906	=item cf::db_dirty
1907
1908	Marks the database as dirty, to be updated at a later time.
1909
1910	=item cf::db_sync
1911
1912	Immediately write the database to disk I<if it is dirty>.
1913		2192
1914	=cut	2193	=cut
1915		2194
1916	our $DB;	2195	our $DB;
1917		2196
1918	{	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
1919	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;
1920		2216
1921	sub db_load() {	2217	cf::db_put (board => data => $pst->{board});
1922	$DB = stat $path ? Storable::retrieve $path : { };	2218	cf::db_put (guildrules => data => $pst->{guildrules});
1923	}	2219	cf::db_put (rent => balance => $pst->{rent}{balance});
		2220	BDB::db_env_txn_checkpoint $DB_ENV;
1924		2221
1925	my $pid;	2222	unlink $path;
1926
1927	sub db_save() {
1928	waitpid $pid, 0 if $pid;
1929	if (0 == ($pid = fork)) {
1930	$DB->{_meta}{version} = 1;
1931	Storable::nstore $DB, "$path~";
1932	rename "$path~", $path;
1933	cf::_exit 0 if defined $pid;
1934	}	2223	};
1935	}
1936
1937	my $dirty;
1938
1939	sub db_sync() {
1940	db_save if $dirty;
1941	undef $dirty;
1942	}
1943
1944	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1945	db_sync;
1946	});
1947
1948	sub db_dirty() {
1949	$dirty = 1;
1950	$idle->start;
1951	}
1952
1953	sub db_get($;$) {
1954	@_ >= 2
1955	? $DB->{$_[0]}{$_[1]}
1956	: ($DB->{$_[0]} ||= { })
1957	}
1958
1959	sub db_put($$;$) {
1960	if (@_ >= 3) {
1961	$DB->{$_[0]}{$_[1]} = $_[2];
1962	} else {
1963	$DB->{$_[0]} = $_[1];
1964	}
1965	db_dirty;
1966	}
1967
1968	cf::global->attach (
1969	prio => 10000,
1970	on_cleanup => sub {
1971	db_sync;
1972	},	2224	}
1973	);	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 { };
1974	}	2242	}
1975		2243
1976	#############################################################################	2244	#############################################################################
1977	# the server's main()	2245	# the server's init and main functions
		2246
		2247	sub init_resources {
		2248	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2249	or die "unable to load regions file\n";#d#
		2250	}
1978		2251
1979	sub cfg_load {	2252	sub cfg_load {
1980	open my $fh, "<:utf8", cf::confdir . "/config"	2253	open my $fh, "<:utf8", cf::confdir . "/config"
1981	or return;	2254	or return;
1982		2255
1983	local $/;	2256	local $/;
1984	*CFG = YAML::Syck::Load <$fh>;	2257	*CFG = YAML::Syck::Load <$fh>;
		2258
		2259	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		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
		2264	if (exists $CFG{mlockall}) {
		2265	eval {
		2266	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2267	and die "WARNING: m(un)lockall failed: $!\n";
		2268	};
		2269	warn $@ if $@;
		2270	}
		2271	}
		2272
		2273	sub init {
		2274	init_resources;
1985	}	2275	}
1986		2276
1987	sub main {	2277	sub main {
1988	# we must not ever block the main coroutine	2278	# we must not ever block the main coroutine
1989	local $Coro::idle = sub {	2279	local $Coro::idle = sub {
1990	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#
1991	(Coro::unblock_sub {	2281	(async {
1992	Event::one_event;	2282	Event::one_event;
1993	})->();	2283	})->prio (Coro::PRIO_MAX);
1994	};	2284	};
1995		2285
1996	cfg_load;	2286	cfg_load;
1997	db_load;	2287	db_init;
1998	load_extensions;	2288	load_extensions;
		2289
		2290	$TICK_WATCHER->start;
1999	Event::loop;	2291	Event::loop;
2000	}	2292	}
2001		2293
2002	#############################################################################	2294	#############################################################################
2003	# 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 $make_core;
		2350	}
2004		2351
2005	sub reload() {	2352	sub reload() {
2006	# can/must only be called in main	2353	# can/must only be called in main
2007	if ($Coro::current != $Coro::main) {	2354	if ($Coro::current != $Coro::main) {
2008	warn "can only reload from main coroutine\n";	2355	warn "can only reload from main coroutine";
2009	return;	2356	return;
2010	}	2357	}
2011		2358
2012	warn "reloading...";	2359	warn "reloading...";
2013		2360
2014	local $FREEZE = 1;	2361	warn "entering sync_job";
		2362
		2363	cf::sync_job {
		2364	cf::write_runtime; # external watchdog should not bark
2015	cf::emergency_save;	2365	cf::emergency_save;
		2366	cf::write_runtime; # external watchdog should not bark
2016		2367
2017	eval {	2368	warn "syncing database to disk";
		2369	BDB::db_env_txn_checkpoint $DB_ENV;
		2370
2018	# 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
2019		2372
2020	# cancel all watchers	2373	warn "cancelling all WF_AUTOCANCEL watchers";
2021	for (Event::all_watchers) {	2374	for (Event::all_watchers) {
2022	$_->cancel if $_->data & WF_AUTOCANCEL;	2375	$_->cancel if $_->data & WF_AUTOCANCEL;
2023	}	2376	}
2024		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
2025	# cancel all extension coros	2387	warn "cancelling all extension coros";
2026	$_->cancel for values %EXT_CORO;	2388	$_->cancel for values %EXT_CORO;
2027	%EXT_CORO = ();	2389	%EXT_CORO = ();
2028		2390
2029	# unload all extensions	2391	warn "removing commands";
2030	for (@exts) {	2392	%COMMAND = ();
		2393
		2394	warn "removing ext commands";
		2395	%EXTCMD = ();
		2396
		2397	warn "unloading/nuking all extensions";
		2398	for my $pkg (@EXTS) {
2031	warn "unloading <$_>";	2399	warn "... unloading $pkg";
2032	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: $@";
2033	}	2406	}
2034		2407
		2408	warn "... nuking $pkg";
		2409	Symbol::delete_package $pkg;
		2410	}
		2411
2035	# unload all modules loaded from $LIBDIR	2412	warn "unloading all perl modules loaded from $LIBDIR";
2036	while (my ($k, $v) = each %INC) {	2413	while (my ($k, $v) = each %INC) {
2037	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2414	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2038		2415
2039	warn "removing <$k>";	2416	warn "... unloading $k";
2040	delete $INC{$k};	2417	delete $INC{$k};
2041		2418
2042	$k =~ s/\.pm$//;	2419	$k =~ s/\.pm$//;
2043	$k =~ s/\//::/g;	2420	$k =~ s/\//::/g;
2044		2421
…		…
2047	}	2424	}
2048		2425
2049	Symbol::delete_package $k;	2426	Symbol::delete_package $k;
2050	}	2427	}
2051		2428
2052	# sync database to disk
2053	cf::db_sync;
2054	IO::AIO::flush;
2055
2056	# get rid of safe::, as good as possible	2429	warn "getting rid of safe::, as good as possible";
2057	Symbol::delete_package "safe::$_"	2430	Symbol::delete_package "safe::$_"
2058	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);
2059		2432
2060	# remove register_script_function callbacks
2061	# TODO
2062
2063	# unload cf.pm "a bit"	2433	warn "unloading cf.pm \"a bit\"";
2064	delete $INC{"cf.pm"};	2434	delete $INC{"cf.pm"};
2065		2435
2066	# don't, removes xs symbols, too,	2436	# don't, removes xs symbols, too,
2067	# and global variables created in xs	2437	# and global variables created in xs
2068	#Symbol::delete_package __PACKAGE__;	2438	#Symbol::delete_package __PACKAGE__;
2069		2439
2070	# reload cf.pm	2440	warn "unload completed, starting to reload now";
		2441
2071	warn "reloading cf.pm";	2442	warn "reloading cf.pm";
2072	require cf;	2443	require cf;
2073	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2444	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2074		2445
2075	# load config and database again	2446	warn "loading config and database again";
2076	cf::cfg_load;	2447	cf::cfg_load;
2077	cf::db_load;
2078		2448
2079	# load extensions
2080	warn "load extensions";	2449	warn "loading extensions";
2081	cf::load_extensions;	2450	cf::load_extensions;
2082		2451
2083	# reattach attachments to objects	2452	warn "reattaching attachments to objects/players";
2084	warn "reattach";
2085	_global_reattach;	2453	_global_reattach;
2086	};	2454	warn "reattaching attachments to maps";
		2455	reattach $_ for values %MAP;
2087		2456
2088	if ($@) {	2457	warn "loading reloadable resources";
		2458	init_resources;
		2459
		2460	warn "leaving sync_job";
		2461
		2462	1
		2463	} or do {
2089	warn $@;	2464	warn $@;
2090	warn "error while reloading, exiting.";	2465	warn "error while reloading, exiting.";
2091	exit 1;	2466	exit 1;
2092	}	2467	};
2093		2468
2094	warn "reloaded successfully";	2469	warn "reloaded";
2095	};	2470	};
2096		2471
2097	#############################################################################	2472	our $RELOAD_WATCHER; # used only during reload
2098
2099	unless ($LINK_MAP) {
2100	$LINK_MAP = cf::map::new;
2101
2102	$LINK_MAP->width (41);
2103	$LINK_MAP->height (41);
2104	$LINK_MAP->alloc;
2105	$LINK_MAP->path ("{link}");
2106	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2107	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2108
2109	# dirty hack because... archetypes are not yet loaded
2110	Event->timer (
2111	after => 2,
2112	cb => sub {
2113	$_[0]->w->cancel;
2114
2115	# provide some exits "home"
2116	my $exit = cf::object::new "exit";
2117
2118	$exit->slaying ($EMERGENCY_POSITION->[0]);
2119	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2120	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2121
2122	$LINK_MAP->insert ($exit->clone, 19, 19);
2123	$LINK_MAP->insert ($exit->clone, 19, 20);
2124	$LINK_MAP->insert ($exit->clone, 19, 21);
2125	$LINK_MAP->insert ($exit->clone, 20, 19);
2126	$LINK_MAP->insert ($exit->clone, 20, 21);
2127	$LINK_MAP->insert ($exit->clone, 21, 19);
2128	$LINK_MAP->insert ($exit->clone, 21, 20);
2129	$LINK_MAP->insert ($exit->clone, 21, 21);
2130
2131	$exit->destroy;
2132	});
2133
2134	$LINK_MAP->{deny_save} = 1;
2135	$LINK_MAP->{deny_reset} = 1;
2136
2137	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2138	}
2139
2140	register "<global>", __PACKAGE__;
2141		2473
2142	register_command "reload" => sub {	2474	register_command "reload" => sub {
2143	my ($who, $arg) = @_;	2475	my ($who, $arg) = @_;
2144		2476
2145	if ($who->flag (FLAG_WIZ)) {	2477	if ($who->flag (FLAG_WIZ)) {
2146	$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 {
2147	reload;	2488	reload;
2148	$who->message ("end of reload.");	2489	undef $RELOAD_WATCHER;
		2490	},
		2491	);
2149	}	2492	}
2150	};	2493	};
2151		2494
2152	unshift @INC, $LIBDIR;	2495	unshift @INC, $LIBDIR;
		2496
		2497	my $bug_warning = 0;
2153		2498
2154	$TICK_WATCHER = Event->timer (	2499	$TICK_WATCHER = Event->timer (
2155	reentrant => 0,	2500	reentrant => 0,
		2501	parked => 1,
2156	prio => 0,	2502	prio => 0,
2157	at => $NEXT_TICK || $TICK,	2503	at => $NEXT_TICK || $TICK,
2158	data => WF_AUTOCANCEL,	2504	data => WF_AUTOCANCEL,
2159	cb => sub {	2505	cb => sub {
2160	unless ($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
2161	cf::server_tick; # one server iteration	2514	cf::server_tick; # one server iteration
2162	$RUNTIME += $TICK;	2515	$RUNTIME += $TICK;
2163	}
2164
2165	$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#
2166		2532
2167	# 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
2168	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2534	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2169		2535
2170	$TICK_WATCHER->at ($NEXT_TICK);	2536	$TICK_WATCHER->at ($NEXT_TICK);
2171	$TICK_WATCHER->start;	2537	$TICK_WATCHER->start;
2172	},	2538	},
2173	);	2539	);
2174		2540
		2541	{
2175	IO::AIO::max_poll_time $TICK * 0.2;	2542	BDB::max_poll_time $TICK * 0.1;
2176		2543	$BDB_POLL_WATCHER = Event->io (
2177	Event->io (	2544	reentrant => 0,
2178	fd => IO::AIO::poll_fileno,	2545	fd => BDB::poll_fileno,
2179	poll => 'r',	2546	poll => 'r',
2180	prio => 5,	2547	prio => 0,
2181	data => WF_AUTOCANCEL,
2182	cb => \&IO::AIO::poll_cb,
2183	);
2184
2185	Event->timer (
2186	data => WF_AUTOCANCEL,	2548	data => WF_AUTOCANCEL,
2187	after => 0,	2549	cb => \&BDB::poll_cb,
2188	interval => 10,	2550	);
2189	cb => sub {	2551	BDB::min_parallel 8;
2190	(Coro::unblock_sub {	2552
2191	write_runtime	2553	BDB::set_sync_prepare {
2192	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 $@;
2193	})->();	2587	};
2194	},	2588	}
2195	);	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	}
2196		2605
2197	END { cf::emergency_save }	2606	END { cf::emergency_save }
2198		2607
2199	1	2608	1
2200		2609

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