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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.123 by root, Tue Jan 2 19:18:33 2007 UTC vs.
Revision 1.219 by root, Sat Feb 17 03:19:44 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;
317		354
318	$coro	355	$coro
319	}	356	}
320		357
321	sub write_runtime {	358	sub write_runtime {
		359	my $guard = cf::lock_acquire "write_runtime";
		360
322	my $runtime = cf::localdir . "/runtime";	361	my $runtime = cf::localdir . "/runtime";
323		362
324	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
325	or return;	364	or return;
326		365
		366	my $value = $cf::RUNTIME + 90 + 10;
327	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	367	# 10 is the runtime save interval, for a monotonic clock
		368	# 60 allows for the watchdog to kill the server.
		369
328	(aio_write $fh, 0, (length $value), $value, 0) <= 0	370	(aio_write $fh, 0, (length $value), $value, 0) <= 0
329	and return;	371	and return;
330		372
		373	# always fsync - this file is important
331	aio_fsync $fh	374	aio_fsync $fh
332	and return;	375	and return;
333		376
334	close $fh	377	close $fh
335	or return;	378	or return;
…		…
341	}	384	}
342		385
343	=back	386	=back
344		387
345	=cut	388	=cut
346
347	#############################################################################
348
349	package cf::path;
350
351	sub new {
352	my ($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		389
467	#############################################################################	390	#############################################################################
468		391
469	=head2 ATTACHABLE OBJECTS	392	=head2 ATTACHABLE OBJECTS
470		393
…		…
596	our @CB_TYPE = (); # registry for type (cf-object class) based events	519	our @CB_TYPE = (); # registry for type (cf-object class) based events
597	our @CB_MAP = ();	520	our @CB_MAP = ();
598		521
599	my %attachment;	522	my %attachment;
600		523
		524	sub cf::attachable::thawer_merge {
		525	# simply override everything except _meta
		526	local $_[0]{_meta};
		527	%{$_[0]} = %{$_[1]};
		528	}
		529
601	sub _attach_cb($$$$) {	530	sub _attach_cb($$$$) {
602	my ($registry, $event, $prio, $cb) = @_;	531	my ($registry, $event, $prio, $cb) = @_;
603		532
604	use sort 'stable';	533	use sort 'stable';
605		534
…		…
776	# object support	705	# object support
777		706
778	sub reattach {	707	sub reattach {
779	# basically do the same as instantiate, without calling instantiate	708	# basically do the same as instantiate, without calling instantiate
780	my ($obj) = @_;	709	my ($obj) = @_;
		710
		711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
781		712
782	my $registry = $obj->registry;	713	my $registry = $obj->registry;
783		714
784	@$registry = ();	715	@$registry = ();
785		716
…		…
832	$filename, length $$rdata, scalar @$objs;	763	$filename, length $$rdata, scalar @$objs;
833		764
834	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
835	chmod SAVE_MODE, $fh;	766	chmod SAVE_MODE, $fh;
836	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
837	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
838	close $fh;	769	close $fh;
839		770
840	if (@$objs) {	771	if (@$objs) {
841	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
842	chmod SAVE_MODE, $fh;	773	chmod SAVE_MODE, $fh;
843	my $data = Storable::nfreeze { version => 1, objs => $objs };	774	my $data = Storable::nfreeze { version => 1, objs => $objs };
844	aio_write $fh, 0, (length $data), $data, 0;	775	aio_write $fh, 0, (length $data), $data, 0;
845	aio_fsync $fh;	776	aio_fsync $fh if $cf::USE_FSYNC;
846	close $fh;	777	close $fh;
847	aio_rename "$filename.pst~", "$filename.pst";	778	aio_rename "$filename.pst~", "$filename.pst";
848	}	779	}
849	} else {	780	} else {
850	aio_unlink "$filename.pst";	781	aio_unlink "$filename.pst";
…		…
917	=cut	848	=cut
918		849
919	sub register_extcmd {	850	sub register_extcmd {
920	my ($name, $cb) = @_;	851	my ($name, $cb) = @_;
921		852
922	my $caller = caller;
923	#warn "registering extcmd '$name' to '$caller'";
924
925	$EXTCMD{$name} = [$cb, $caller];	853	$EXTCMD{$name} = $cb;
926	}	854	}
927		855
928	cf::player->attach (	856	cf::player->attach (
929	on_command => sub {	857	on_command => sub {
930	my ($pl, $name, $params) = @_;	858	my ($pl, $name, $params) = @_;
…		…
943		871
944	my $msg = eval { from_json $buf };	872	my $msg = eval { from_json $buf };
945		873
946	if (ref $msg) {	874	if (ref $msg) {
947	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
948	if (my %reply = $cb->[0]->($pl, $msg)) {	876	if (my %reply = $cb->($pl, $msg)) {
949	$pl->ext_reply ($msg->{msgid}, %reply);	877	$pl->ext_reply ($msg->{msgid}, %reply);
950	}	878	}
951	}	879	}
952	} else {	880	} else {
953	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
955		883
956	cf::override;	884	cf::override;
957	},	885	},
958	);	886	);
959		887
960	sub register {
961	my ($base, $pkg) = @_;
962
963	#TODO
964	}
965
966	sub load_extension {	888	sub load_extension {
967	my ($path) = @_;	889	my ($path) = @_;
968		890
969	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
970	my $base = $1;	892	my $base = $1;
971	my $pkg = $1;	893	my $pkg = $1;
972	$pkg =~ s/[^[:word:]]/_/g;	894	$pkg =~ s/[^[:word:]]/_/g;
973	$pkg = "ext::$pkg";	895	$pkg = "ext::$pkg";
974		896
975	warn "loading '$path' into '$pkg'\n";	897	warn "... loading '$path' into '$pkg'\n";
976		898
977	open my $fh, "<:utf8", $path	899	open my $fh, "<:utf8", $path
978	or die "$path: $!";	900	or die "$path: $!";
979		901
980	my $source =	902	my $source =
981	"package $pkg; use strict; use utf8;\n"	903	"package $pkg; use strict; use utf8;\n"
982	. "#line 1 \"$path\"\n{\n"	904	. "#line 1 \"$path\"\n{\n"
983	. (do { local $/; <$fh> })	905	. (do { local $/; <$fh> })
984	. "\n};\n1";	906	. "\n};\n1";
985		907
986	eval $source	908	unless (eval $source) {
987	or die $@ ? "$path: $@\n"	909	my $msg = $@ ? "$path: $@\n"
988	: "extension disabled.\n";	910	: "extension disabled.\n";
989		911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
990	push @exts, $pkg;	912	warn $@;
991	$ext_pkg{$base} = $pkg;	913	warn "mandatory extension failed to load, exiting.\n";
992		914	exit 1;
993	# no strict 'refs';	915	}
994	# @{"$pkg\::ISA"} = ext::;	916	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	# }	917	}
1009		918
1010	# remove commands	919	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	}	920	}
1035		921
1036	sub load_extensions {	922	sub load_extensions {
1037	for my $ext (<$LIBDIR/*.ext>) {	923	for my $ext (<$LIBDIR/*.ext>) {
1038	next unless -r $ext;	924	next unless -r $ext;
…		…
1042	} or warn "$ext not loaded: $@";	928	} or warn "$ext not loaded: $@";
1043	}	929	}
1044	}	930	}
1045		931
1046	#############################################################################	932	#############################################################################
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		933
1084	=head2 CORE EXTENSIONS	934	=head2 CORE EXTENSIONS
1085		935
1086	Functions and methods that extend core crossfire objects.	936	Functions and methods that extend core crossfire objects.
1087		937
		938	=cut
		939
		940	package cf::player;
		941
		942	use Coro::AIO;
		943
1088	=head3 cf::player	944	=head3 cf::player
1089		945
1090	=over 4	946	=over 4
1091		947
1092	=item cf::player::exists $login	948	=item cf::player::find $login
1093		949
1094	Returns true when the given account exists.	950	Returns the given player object, loading it if necessary (might block).
1095		951
1096	=cut	952	=cut
1097		953
1098	sub cf::player::exists($) {	954	sub playerdir($) {
1099	cf::player::find $_[0]	955	cf::localdir
1100	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	956	. "/"
		957	. cf::playerdir
		958	. "/"
		959	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		960	}
		961
		962	sub path($) {
		963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		964
		965	(playerdir $login) . "/$login.pl"
		966	}
		967
		968	sub find_active($) {
		969	$cf::PLAYER{$_[0]}
		970	and $cf::PLAYER{$_[0]}->active
		971	and $cf::PLAYER{$_[0]}
		972	}
		973
		974	sub exists($) {
		975	my ($login) = @_;
		976
		977	$cf::PLAYER{$login}
		978	or cf::sync_job { !aio_stat path $login }
		979	}
		980
		981	sub find($) {
		982	return $cf::PLAYER{$_[0]} || do {
		983	my $login = $_[0];
		984
		985	my $guard = cf::lock_acquire "user_find:$login";
		986
		987	$cf::PLAYER{$_[0]} || do {
		988	my $pl = load_pl path $login
		989	or return;
		990	$cf::PLAYER{$login} = $pl
		991	}
		992	}
		993	}
		994
		995	sub save($) {
		996	my ($pl) = @_;
		997
		998	return if $pl->{deny_save};
		999
		1000	my $path = path $pl;
		1001	my $guard = cf::lock_acquire "user_save:$path";
		1002
		1003	return if $pl->{deny_save};
		1004
		1005	aio_mkdir playerdir $pl, 0770;
		1006	$pl->{last_save} = $cf::RUNTIME;
		1007
		1008	$pl->save_pl ($path);
		1009	Coro::cede;
		1010	}
		1011
		1012	sub new($) {
		1013	my ($login) = @_;
		1014
		1015	my $self = create;
		1016
		1017	$self->ob->name ($login);
		1018	$self->{deny_save} = 1;
		1019
		1020	$cf::PLAYER{$login} = $self;
		1021
		1022	$self
		1023	}
		1024
		1025	=item $pl->quit_character
		1026
		1027	Nukes the player without looking back. If logged in, the connection will
		1028	be destroyed. May block for a long time.
		1029
		1030	=cut
		1031
		1032	sub quit_character {
		1033	my ($pl) = @_;
		1034
		1035	$pl->{deny_save} = 1;
		1036	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1037
		1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1039	$pl->deactivate;
		1040	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1041	$pl->ns->destroy if $pl->ns;
		1042
		1043	my $path = playerdir $pl;
		1044	my $temp = "$path~$cf::RUNTIME~deleting~";
		1045	aio_rename $path, $temp;
		1046	delete $cf::PLAYER{$pl->ob->name};
		1047	$pl->destroy;
		1048	IO::AIO::aio_rmtree $temp;
		1049	}
		1050
		1051	=item cf::player::list_logins
		1052
		1053	Returns am arrayref of all valid playernames in the system, can take a
		1054	while and may block, so not sync_job-capable, ever.
		1055
		1056	=cut
		1057
		1058	sub list_logins {
		1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1060	or return [];
		1061
		1062	my @logins;
		1063
		1064	for my $login (@$dirs) {
		1065	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1066	aio_read $fh, 0, 512, my $buf, 0 or next;
		1067	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1068
		1069	utf8::decode $login;
		1070	push @logins, $login;
		1071	}
		1072
		1073	\@logins
		1074	}
		1075
		1076	=item $player->maps
		1077
		1078	Returns an arrayref of map paths that are private for this
		1079	player. May block.
		1080
		1081	=cut
		1082
		1083	sub maps($) {
		1084	my ($pl) = @_;
		1085
		1086	$pl = ref $pl ? $pl->ob->name : $pl;
		1087
		1088	my $files = aio_readdir playerdir $pl
		1089	or return;
		1090
		1091	my @paths;
		1092
		1093	for (@$files) {
		1094	utf8::decode $_;
		1095	next if /\.(?:pl|pst)$/;
		1096	next unless /^$PATH_SEP/o;
		1097
		1098	push @paths, cf::map::normalise "~$pl/$_";
		1099	}
		1100
		1101	\@paths
1101	}	1102	}
1102		1103
1103	=item $player->ext_reply ($msgid, $msgtype, %msg)	1104	=item $player->ext_reply ($msgid, $msgtype, %msg)
1104		1105
1105	Sends an ext reply to the player.	1106	Sends an ext reply to the player.
1106		1107
1107	=cut	1108	=cut
1108		1109
1109	sub cf::player::ext_reply($$$%) {	1110	sub ext_reply($$$%) {
1110	my ($self, $id, %msg) = @_;	1111	my ($self, $id, %msg) = @_;
1111		1112
1112	$msg{msgid} = $id;	1113	$msg{msgid} = $id;
1113		1114
1114	$self->send ("ext " . to_json \%msg);	1115	$self->send ("ext " . cf::to_json \%msg);
1115	}	1116	}
		1117
		1118	package cf;
1116		1119
1117	=back	1120	=back
1118		1121
1119		1122
1120	=head3 cf::map	1123	=head3 cf::map
…		…
1126	package cf::map;	1129	package cf::map;
1127		1130
1128	use Fcntl;	1131	use Fcntl;
1129	use Coro::AIO;	1132	use Coro::AIO;
1130		1133
		1134	use overload
		1135	'""' => \&as_string,
		1136	fallback => 1;
		1137
1131	our $MAX_RESET = 7200;	1138	our $MAX_RESET = 3600;
1132	our $DEFAULT_RESET = 3600;	1139	our $DEFAULT_RESET = 3000;
1133		1140
1134	sub generate_random_map {	1141	sub generate_random_map {
1135	my ($path, $rmp) = @_;	1142	my ($self, $rmp) = @_;
1136
1137	# mit "rum" bekleckern, nicht	1143	# mit "rum" bekleckern, nicht
1138	cf::map::_create_random_map	1144	$self->_create_random_map (
1139	$path,
1140	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1145	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1141	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1146	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1142	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1147	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1143	$rmp->{exit_on_final_map},	1148	$rmp->{exit_on_final_map},
1144	$rmp->{xsize}, $rmp->{ysize},	1149	$rmp->{xsize}, $rmp->{ysize},
1145	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1150	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1146	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1151	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1147	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1152	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1148	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1153	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1149	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1154	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1150	(cf::region::find $rmp->{region})	1155	(cf::region::find $rmp->{region}), $rmp->{custom}
		1156	)
		1157	}
		1158
		1159	=item cf::map->register ($regex, $prio)
		1160
		1161	Register a handler for the map path matching the given regex at the
		1162	givne priority (higher is better, built-in handlers have priority 0, the
		1163	default).
		1164
		1165	=cut
		1166
		1167	sub register {
		1168	my (undef, $regex, $prio) = @_;
		1169	my $pkg = caller;
		1170
		1171	no strict;
		1172	push @{"$pkg\::ISA"}, __PACKAGE__;
		1173
		1174	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1175	}
		1176
		1177	# also paths starting with '/'
		1178	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1179
		1180	sub thawer_merge {
		1181	my ($self, $merge) = @_;
		1182
		1183	# we have to keep some variables in memory intact
		1184	local $self->{path};
		1185	local $self->{load_path};
		1186	local $self->{deny_save};
		1187	local $self->{deny_reset};
		1188
		1189	$self->SUPER::thawer_merge ($merge);
		1190	}
		1191
		1192	sub normalise {
		1193	my ($path, $base) = @_;
		1194
		1195	$path = "$path"; # make sure its a string
		1196
		1197	$path =~ s/\.map$//;
		1198
		1199	# map plan:
		1200	#
		1201	# /! non-realised random map exit (special hack!)
		1202	# {... are special paths that are not being touched
		1203	# ?xxx/... are special absolute paths
		1204	# ?random/... random maps
		1205	# /... normal maps
		1206	# ~user/... per-player map of a specific user
		1207
		1208	$path =~ s/$PATH_SEP/\//go;
		1209
		1210	# treat it as relative path if it starts with
		1211	# something that looks reasonable
		1212	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1213	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1214
		1215	$base =~ s{[^/]+/?$}{};
		1216	$path = "$base/$path";
		1217	}
		1218
		1219	for ($path) {
		1220	redo if s{//}{/};
		1221	redo if s{/\.?/}{/};
		1222	redo if s{/[^/]+/\.\./}{/};
		1223	}
		1224
		1225	$path
		1226	}
		1227
		1228	sub new_from_path {
		1229	my (undef, $path, $base) = @_;
		1230
		1231	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1232
		1233	$path = normalise $path, $base;
		1234
		1235	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1236	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1237	my $self = bless cf::map::new, $pkg;
		1238	$self->{path} = $path; $self->path ($path);
		1239	$self->init; # pass $1 etc.
		1240	return $self;
		1241	}
		1242	}
		1243
		1244	Carp::carp "unable to resolve path '$path' (base '$base').";
		1245	()
		1246	}
		1247
		1248	sub init {
		1249	my ($self) = @_;
		1250
		1251	$self
		1252	}
		1253
		1254	sub as_string {
		1255	my ($self) = @_;
		1256
		1257	"$self->{path}"
		1258	}
		1259
		1260	# the displayed name, this is a one way mapping
		1261	sub visible_name {
		1262	&as_string
		1263	}
		1264
		1265	# the original (read-only) location
		1266	sub load_path {
		1267	my ($self) = @_;
		1268
		1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1270	}
		1271
		1272	# the temporary/swap location
		1273	sub save_path {
		1274	my ($self) = @_;
		1275
		1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1278	}
		1279
		1280	# the unique path, undef == no special unique path
		1281	sub uniq_path {
		1282	my ($self) = @_;
		1283
		1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1151	}	1286	}
1152		1287
1153	# and all this just because we cannot iterate over	1288	# and all this just because we cannot iterate over
1154	# all maps in C++...	1289	# all maps in C++...
1155	sub change_all_map_light {	1290	sub change_all_map_light {
…		…
1157		1292
1158	$_->change_map_light ($change)	1293	$_->change_map_light ($change)
1159	for grep $_->outdoor, values %cf::MAP;	1294	for grep $_->outdoor, values %cf::MAP;
1160	}	1295	}
1161		1296
		1297	sub unlink_save {
		1298	my ($self) = @_;
		1299
		1300	utf8::encode (my $save = $self->save_path);
		1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1303	}
		1304
1162	sub try_load_header($) {	1305	sub load_header_from($) {
1163	my ($path) = @_;	1306	my ($self, $path) = @_;
1164		1307
1165	utf8::encode $path;	1308	utf8::encode $path;
1166	aio_open $path, O_RDONLY, 0	1309	#aio_open $path, O_RDONLY, 0
		1310	# or return;
		1311
		1312	$self->_load_header ($path)
1167	or return;	1313	or return;
1168		1314
1169	my $map = cf::map::new	1315	$self->{load_path} = $path;
		1316
		1317	1
		1318	}
		1319
		1320	sub load_header_orig {
		1321	my ($self) = @_;
		1322
		1323	$self->load_header_from ($self->load_path)
		1324	}
		1325
		1326	sub load_header_temp {
		1327	my ($self) = @_;
		1328
		1329	$self->load_header_from ($self->save_path)
		1330	}
		1331
		1332	sub prepare_temp {
		1333	my ($self) = @_;
		1334
		1335	$self->last_access ((delete $self->{last_access})
		1336	|| $cf::RUNTIME); #d#
		1337	# safety
		1338	$self->{instantiate_time} = $cf::RUNTIME
		1339	if $self->{instantiate_time} > $cf::RUNTIME;
		1340	}
		1341
		1342	sub prepare_orig {
		1343	my ($self) = @_;
		1344
		1345	$self->{load_original} = 1;
		1346	$self->{instantiate_time} = $cf::RUNTIME;
		1347	$self->last_access ($cf::RUNTIME);
		1348	$self->instantiate;
		1349	}
		1350
		1351	sub load_header {
		1352	my ($self) = @_;
		1353
		1354	if ($self->load_header_temp) {
		1355	$self->prepare_temp;
		1356	} else {
		1357	$self->load_header_orig
1170	or return;	1358	or return;
		1359	$self->prepare_orig;
		1360	}
1171		1361
1172	$map->load_header ($path)	1362	1
1173	or return;
1174
1175	$map->{load_path} = $path;
1176
1177	$map
1178	}	1363	}
1179		1364
		1365	sub find;
1180	sub find_map {	1366	sub find {
1181	my ($path, $origin) = @_;	1367	my ($path, $origin) = @_;
1182		1368
1183	#warn "find_map<$path,$origin>\n";#d#
1184
1185	$path = new cf::path $path, $origin && $origin->path;	1369	$path = normalise $path, $origin && $origin->path;
1186	my $key = $path->as_string;
1187		1370
1188	cf::lock_wait "map_find:$key";	1371	cf::lock_wait "map_find:$path";
1189		1372
1190	$cf::MAP{$key} || do {	1373	$cf::MAP{$path} || do {
1191	my $guard = cf::lock_acquire "map_find:$key";	1374	my $guard = cf::lock_acquire "map_find:$path";
1192		1375	my $map = new_from_path cf::map $path
1193	# do it the slow way
1194	my $map = try_load_header $path->save_path;
1195
1196	if ($map) {
1197	# safety
1198	$map->{instantiate_time} = $cf::RUNTIME
1199	if $map->{instantiate_time} > $cf::RUNTIME;
1200	} else {
1201	if (my $rmp = $path->random_map_params) {
1202	$map = generate_random_map $key, $rmp;
1203	} else {
1204	$map = try_load_header $path->load_path;
1205	}
1206
1207	$map or return;	1376	or return;
1208		1377
1209	$map->{load_original} = 1;
1210	$map->{instantiate_time} = $cf::RUNTIME;
1211	$map->instantiate;
1212
1213	# per-player maps become, after loading, normal maps
1214	$map->per_player (0) if $path->{user_rel};
1215	}
1216
1217	$map->path ($key);
1218	$map->{path} = $path;
1219	$map->{last_save} = $cf::RUNTIME;	1378	$map->{last_save} = $cf::RUNTIME;
1220	$map->last_access ($cf::RUNTIME);
1221		1379
1222	if ($map->should_reset) {	1380	$map->load_header
		1381	or return;
		1382
		1383	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1384	# doing this can freeze the server in a sync job, obviously
		1385	#$cf::WAIT_FOR_TICK->wait;
1223	$map->reset;	1386	$map->reset;
1224	undef $guard;	1387	undef $guard;
1225	$map = find_map $path;	1388	return find $path;
1226	}	1389	}
1227		1390
1228	$cf::MAP{$key} = $map	1391	$cf::MAP{$path} = $map
1229	}	1392	}
1230	}	1393	}
		1394
		1395	sub pre_load { }
		1396	sub post_load { }
1231		1397
1232	sub load {	1398	sub load {
1233	my ($self) = @_;	1399	my ($self) = @_;
1234		1400
		1401	local $self->{deny_reset} = 1; # loading can take a long time
		1402
1235	my $path = $self->{path};	1403	my $path = $self->{path};
1236	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1404	my $guard = cf::lock_acquire "map_load:$path";
1237		1405
1238	return if $self->in_memory != cf::MAP_SWAPPED;	1406	return if $self->in_memory != cf::MAP_SWAPPED;
1239		1407
1240	$self->in_memory (cf::MAP_LOADING);	1408	$self->in_memory (cf::MAP_LOADING);
1241		1409
1242	$self->alloc;	1410	$self->alloc;
		1411
		1412	$self->pre_load;
		1413
1243	$self->load_objects ($self->{load_path}, 1)	1414	$self->_load_objects ($self->{load_path}, 1)
1244	or return;	1415	or return;
1245		1416
1246	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1417	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1247	if delete $self->{load_original};	1418	if delete $self->{load_original};
1248		1419
1249	if (my $uniq = $path->uniq_path) {	1420	if (my $uniq = $self->uniq_path) {
1250	utf8::encode $uniq;	1421	utf8::encode $uniq;
1251	if (aio_open $uniq, O_RDONLY, 0) {	1422	if (aio_open $uniq, O_RDONLY, 0) {
1252	$self->clear_unique_items;	1423	$self->clear_unique_items;
1253	$self->load_objects ($uniq, 0);	1424	$self->_load_objects ($uniq, 0);
1254	}	1425	}
1255	}	1426	}
		1427
		1428	Coro::cede;
1256		1429
1257	# now do the right thing for maps	1430	# now do the right thing for maps
1258	$self->link_multipart_objects;	1431	$self->link_multipart_objects;
1259		1432
1260	if ($self->{path}->is_style_map) {	1433	unless ($self->{deny_activate}) {
1261	$self->{deny_save} = 1;	1434	$self->decay_objects;
1262	$self->{deny_reset} = 1;
1263	} else {
1264	$self->fix_auto_apply;	1435	$self->fix_auto_apply;
1265	$self->decay_objects;
1266	$self->update_buttons;	1436	$self->update_buttons;
		1437	Coro::cede;
1267	$self->set_darkness_map;	1438	$self->set_darkness_map;
1268	$self->difficulty ($self->estimate_difficulty)	1439	$self->difficulty ($self->estimate_difficulty)
1269	unless $self->difficulty;	1440	unless $self->difficulty;
		1441	Coro::cede;
1270	$self->activate;	1442	$self->activate;
1271	}	1443	}
1272		1444
		1445	$self->post_load;
		1446
1273	$self->in_memory (cf::MAP_IN_MEMORY);	1447	$self->in_memory (cf::MAP_IN_MEMORY);
1274	}	1448	}
1275		1449
1276	sub load_map_sync {	1450	sub customise_for {
		1451	my ($self, $ob) = @_;
		1452
		1453	return find "~" . $ob->name . "/" . $self->{path}
		1454	if $self->per_player;
		1455
		1456	$self
		1457	}
		1458
		1459	# find and load all maps in the 3x3 area around a map
		1460	sub load_diag {
		1461	my ($map) = @_;
		1462
		1463	my @diag; # diagonal neighbours
		1464
		1465	for (0 .. 3) {
		1466	my $neigh = $map->tile_path ($_)
		1467	or next;
		1468	$neigh = find $neigh, $map
		1469	or next;
		1470	$neigh->load;
		1471
		1472	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1473	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1474	}
		1475
		1476	for (@diag) {
		1477	my $neigh = find @$_
		1478	or next;
		1479	$neigh->load;
		1480	}
		1481	}
		1482
		1483	sub find_sync {
1277	my ($path, $origin) = @_;	1484	my ($path, $origin) = @_;
1278		1485
1279	#warn "load_map_sync<$path, $origin>\n";#d#	1486	cf::sync_job { find $path, $origin }
		1487	}
1280		1488
1281	cf::sync_job {	1489	sub do_load_sync {
1282	my $map = cf::map::find_map $path, $origin	1490	my ($map) = @_;
1283	or return;	1491
		1492	cf::sync_job { $map->load };
		1493	}
		1494
		1495	our %MAP_PREFETCH;
		1496	our $MAP_PREFETCHER = undef;
		1497
		1498	sub find_async {
		1499	my ($path, $origin) = @_;
		1500
		1501	$path = normalise $path, $origin && $origin->{path};
		1502
		1503	if (my $map = $cf::MAP{$path}) {
		1504	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1505	}
		1506
		1507	undef $MAP_PREFETCH{$path};
		1508	$MAP_PREFETCHER ||= cf::async {
		1509	while (%MAP_PREFETCH) {
		1510	for my $path (keys %MAP_PREFETCH) {
		1511	my $map = find $path
		1512	or next;
1284	$map->load;	1513	$map->load;
1285	$map	1514
		1515	delete $MAP_PREFETCH{$path};
		1516	}
		1517	}
		1518	undef $MAP_PREFETCHER;
1286	}	1519	};
		1520	$MAP_PREFETCHER->prio (6);
		1521
		1522	()
1287	}	1523	}
1288		1524
1289	sub save {	1525	sub save {
1290	my ($self) = @_;	1526	my ($self) = @_;
1291		1527
		1528	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1529
1292	$self->{last_save} = $cf::RUNTIME;	1530	$self->{last_save} = $cf::RUNTIME;
1293		1531
1294	return unless $self->dirty;	1532	return unless $self->dirty;
1295		1533
1296	my $save = $self->{path}->save_path; utf8::encode $save;	1534	my $save = $self->save_path; utf8::encode $save;
1297	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1535	my $uniq = $self->uniq_path; utf8::encode $uniq;
1298		1536
1299	$self->{load_path} = $save;	1537	$self->{load_path} = $save;
1300		1538
1301	return if $self->{deny_save};	1539	return if $self->{deny_save};
1302		1540
		1541	local $self->{last_access} = $self->last_access;#d#
		1542
		1543	cf::async {
		1544	$_->contr->save for $self->players;
		1545	};
		1546
1303	if ($uniq) {	1547	if ($uniq) {
1304	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1548	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1305	$self->save_objects ($uniq, cf::IO_UNIQUES);	1549	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1306	} else {	1550	} else {
1307	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1551	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1308	}	1552	}
1309	}	1553	}
1310		1554
1311	sub swap_out {	1555	sub swap_out {
1312	my ($self) = @_;	1556	my ($self) = @_;
		1557
		1558	# save first because save cedes
		1559	$self->save;
		1560
		1561	my $lock = cf::lock_acquire "map_data:" . $self->path;
1313		1562
1314	return if $self->players;	1563	return if $self->players;
1315	return if $self->in_memory != cf::MAP_IN_MEMORY;	1564	return if $self->in_memory != cf::MAP_IN_MEMORY;
1316	return if $self->{deny_save};	1565	return if $self->{deny_save};
1317		1566
1318	$self->save;
1319	$self->clear;	1567	$self->clear;
1320	$self->in_memory (cf::MAP_SWAPPED);	1568	$self->in_memory (cf::MAP_SWAPPED);
1321	}	1569	}
1322		1570
1323	sub reset_at {	1571	sub reset_at {
1324	my ($self) = @_;	1572	my ($self) = @_;
1325		1573
1326	# TODO: safety, remove and allow resettable per-player maps	1574	# TODO: safety, remove and allow resettable per-player maps
1327	return 1e99 if $self->{path}{user_rel};	1575	return 1e99 if $self->isa ("ext::map_per_player");#d#
1328	return 1e99 if $self->{deny_reset};	1576	return 1e99 if $self->{deny_reset};
1329		1577
1330	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1578	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1331	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1579	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1332		1580
…		…
1337	my ($self) = @_;	1585	my ($self) = @_;
1338		1586
1339	$self->reset_at <= $cf::RUNTIME	1587	$self->reset_at <= $cf::RUNTIME
1340	}	1588	}
1341		1589
1342	sub unlink_save {
1343	my ($self) = @_;
1344
1345	utf8::encode (my $save = $self->{path}->save_path);
1346	aioreq_pri 3; IO::AIO::aio_unlink $save;
1347	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1348	}
1349
1350	sub rename {
1351	my ($self, $new_path) = @_;
1352
1353	$self->unlink_save;
1354
1355	delete $cf::MAP{$self->path};
1356	$self->{path} = new cf::path $new_path;
1357	$self->path ($self->{path}->as_string);
1358	$cf::MAP{$self->path} = $self;
1359
1360	$self->save;
1361	}
1362
1363	sub reset {	1590	sub reset {
1364	my ($self) = @_;	1591	my ($self) = @_;
1365		1592
		1593	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1594
1366	return if $self->players;	1595	return if $self->players;
1367	return if $self->{path}{user_rel};#d#	1596	return if $self->isa ("ext::map_per_player");#d#
1368		1597
1369	warn "resetting map ", $self->path;#d#	1598	warn "resetting map ", $self->path;#d#
1370		1599
		1600	$self->in_memory (cf::MAP_SWAPPED);
		1601
		1602	# need to save uniques path
		1603	unless ($self->{deny_save}) {
		1604	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1605
		1606	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1607	if $uniq;
		1608	}
		1609
1371	delete $cf::MAP{$self->path};	1610	delete $cf::MAP{$self->path};
		1611
		1612	$self->clear;
1372		1613
1373	$_->clear_links_to ($self) for values %cf::MAP;	1614	$_->clear_links_to ($self) for values %cf::MAP;
1374		1615
1375	$self->unlink_save;	1616	$self->unlink_save;
1376	$self->destroy;	1617	$self->destroy;
…		…
1379	my $nuke_counter = "aaaa";	1620	my $nuke_counter = "aaaa";
1380		1621
1381	sub nuke {	1622	sub nuke {
1382	my ($self) = @_;	1623	my ($self) = @_;
1383		1624
		1625	delete $cf::MAP{$self->path};
		1626
		1627	$self->unlink_save;
		1628
		1629	bless $self, "cf::map";
		1630	delete $self->{deny_reset};
1384	$self->{deny_save} = 1;	1631	$self->{deny_save} = 1;
1385	$self->reset_timeout (1);	1632	$self->reset_timeout (1);
1386	$self->rename ("{nuke}/" . ($nuke_counter++));	1633	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1634
		1635	$cf::MAP{$self->path} = $self;
		1636
1387	$self->reset; # polite request, might not happen	1637	$self->reset; # polite request, might not happen
1388	}	1638	}
1389		1639
1390	sub customise_for {	1640	=item cf::map::unique_maps
1391	my ($map, $ob) = @_;
1392		1641
1393	if ($map->per_player) {	1642	Returns an arrayref of paths of all shared maps that have
1394	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1643	instantiated unique items. May block.
1395	}
1396		1644
1397	$map	1645	=cut
1398	}
1399		1646
1400	sub emergency_save {	1647	sub unique_maps() {
1401	local $cf::FREEZE = 1;	1648	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1649	or return;
1402		1650
1403	warn "enter emergency map save\n";	1651	my @paths;
1404		1652
1405	cf::sync_job {	1653	for (@$files) {
1406	warn "begin emergency map save\n";	1654	utf8::decode $_;
1407	$_->save for values %cf::MAP;	1655	next if /\.pst$/;
		1656	next unless /^$PATH_SEP/o;
		1657
		1658	push @paths, cf::map::normalise $_;
1408	};	1659	}
1409		1660
1410	warn "end emergency map save\n";	1661	\@paths
1411	}	1662	}
1412		1663
1413	package cf;	1664	package cf;
1414		1665
1415	=back	1666	=back
1416		1667
		1668	=head3 cf::object
		1669
		1670	=cut
		1671
		1672	package cf::object;
		1673
		1674	=over 4
		1675
		1676	=item $ob->inv_recursive
		1677
		1678	Returns the inventory of the object _and_ their inventories, recursively.
		1679
		1680	=cut
		1681
		1682	sub inv_recursive_;
		1683	sub inv_recursive_ {
		1684	map { $_, inv_recursive_ $_->inv } @_
		1685	}
		1686
		1687	sub inv_recursive {
		1688	inv_recursive_ inv $_[0]
		1689	}
		1690
		1691	package cf;
		1692
		1693	=back
1417		1694
1418	=head3 cf::object::player	1695	=head3 cf::object::player
1419		1696
1420	=over 4	1697	=over 4
1421		1698
…		…
1461		1738
1462	=item $player_object->enter_link	1739	=item $player_object->enter_link
1463		1740
1464	Freezes the player and moves him/her to a special map (C<{link}>).	1741	Freezes the player and moves him/her to a special map (C<{link}>).
1465		1742
1466	The player should be reaosnably safe there for short amounts of time. You	1743	The player should be reasonably safe there for short amounts of time. You
1467	I<MUST> call C<leave_link> as soon as possible, though.	1744	I<MUST> call C<leave_link> as soon as possible, though.
1468		1745
		1746	Will never block.
		1747
1469	=item $player_object->leave_link ($map, $x, $y)	1748	=item $player_object->leave_link ($map, $x, $y)
1470		1749
1471	Moves the player out of the specila link map onto the given map. If the	1750	Moves the player out of the special C<{link}> map onto the specified
1472	map is not valid (or omitted), the player will be moved back to the	1751	map. If the map is not valid (or omitted), the player will be moved back
1473	location he/she was before the call to C<enter_link>, or, if that fails,	1752	to the location he/she was before the call to C<enter_link>, or, if that
1474	to the emergency map position.	1753	fails, to the emergency map position.
1475		1754
1476	Might block.	1755	Might block.
1477		1756
1478	=cut	1757	=cut
		1758
		1759	sub link_map {
		1760	unless ($LINK_MAP) {
		1761	$LINK_MAP = cf::map::find "{link}"
		1762	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1763	$LINK_MAP->load;
		1764	}
		1765
		1766	$LINK_MAP
		1767	}
1479		1768
1480	sub cf::object::player::enter_link {	1769	sub cf::object::player::enter_link {
1481	my ($self) = @_;	1770	my ($self) = @_;
1482		1771
1483	$self->deactivate_recursive;	1772	$self->deactivate_recursive;
1484		1773
1485	return if $self->map == $LINK_MAP;	1774	return if UNIVERSAL::isa $self->map, "ext::map_link";
1486		1775
1487	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1776	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1488	if $self->map;	1777	if $self->map;
1489		1778
1490	$self->enter_map ($LINK_MAP, 20, 20);	1779	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1491	}	1780	}
1492		1781
1493	sub cf::object::player::leave_link {	1782	sub cf::object::player::leave_link {
1494	my ($self, $map, $x, $y) = @_;	1783	my ($self, $map, $x, $y) = @_;
1495		1784
1496	my $link_pos = delete $self->{_link_pos};	1785	my $link_pos = delete $self->{_link_pos};
1497		1786
1498	unless ($map) {	1787	unless ($map) {
1499	# restore original map position	1788	# restore original map position
1500	($map, $x, $y) = @{ $link_pos || [] };	1789	($map, $x, $y) = @{ $link_pos || [] };
1501	$map = cf::map::find_map $map;	1790	$map = cf::map::find $map;
1502		1791
1503	unless ($map) {	1792	unless ($map) {
1504	($map, $x, $y) = @$EMERGENCY_POSITION;	1793	($map, $x, $y) = @$EMERGENCY_POSITION;
1505	$map = cf::map::find_map $map	1794	$map = cf::map::find $map
1506	or die "FATAL: cannot load emergency map\n";	1795	or die "FATAL: cannot load emergency map\n";
1507	}	1796	}
1508	}	1797	}
1509		1798
1510	($x, $y) = (-1, -1)	1799	($x, $y) = (-1, -1)
…		…
1513	# use -1 or undef as default coordinates, not 0, 0	1802	# use -1 or undef as default coordinates, not 0, 0
1514	($x, $y) = ($map->enter_x, $map->enter_y)	1803	($x, $y) = ($map->enter_x, $map->enter_y)
1515	if $x <=0 && $y <= 0;	1804	if $x <=0 && $y <= 0;
1516		1805
1517	$map->load;	1806	$map->load;
		1807	$map->load_diag;
1518		1808
		1809	return unless $self->contr->active;
1519	$self->activate_recursive;	1810	$self->activate_recursive;
		1811
		1812	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1520	$self->enter_map ($map, $x, $y);	1813	$self->enter_map ($map, $x, $y);
1521	}	1814	}
1522		1815
1523	cf::player->attach (	1816	cf::player->attach (
1524	on_logout => sub {	1817	on_logout => sub {
…		…
1536		1829
1537	# try to abort aborted map switching on player login :)	1830	# try to abort aborted map switching on player login :)
1538	# should happen only on crashes	1831	# should happen only on crashes
1539	if ($pl->ob->{_link_pos}) {	1832	if ($pl->ob->{_link_pos}) {
1540	$pl->ob->enter_link;	1833	$pl->ob->enter_link;
1541	Coro::async {	1834	(async {
		1835	$pl->ob->reply (undef,
		1836	"There was an internal problem at your last logout, "
		1837	. "the server will try to bring you to your intended destination in a second.",
		1838	cf::NDI_RED);
1542	# we need this sleep as the login has a concurrent enter_exit running	1839	# we need this sleep as the login has a concurrent enter_exit running
1543	# and this sleep increases chances of the player not ending up in scorn	1840	# and this sleep increases chances of the player not ending up in scorn
1544	Coro::Timer::sleep 1;	1841	Coro::Timer::sleep 1;
1545	$pl->ob->leave_link;	1842	$pl->ob->leave_link;
1546	};	1843	})->prio (2);
1547	}	1844	}
1548	},	1845	},
1549	);	1846	);
1550		1847
1551	=item $player_object->goto_map ($path, $x, $y)	1848	=item $player_object->goto ($path, $x, $y)
1552		1849
1553	=cut	1850	=cut
1554		1851
1555	sub cf::object::player::goto_map {	1852	sub cf::object::player::goto {
1556	my ($self, $path, $x, $y) = @_;	1853	my ($self, $path, $x, $y) = @_;
1557		1854
1558	$self->enter_link;	1855	$self->enter_link;
1559		1856
1560	(Coro::async {	1857	(async {
1561	$path = new cf::path $path;	1858	my $map = eval {
1562
1563	my $map = cf::map::find_map $path->as_string;	1859	my $map = cf::map::find $path;
1564	$map = $map->customise_for ($self) if $map;	1860	$map = $map->customise_for ($self) if $map;
1565		1861	$map
1566	# warn "entering ", $map->path, " at ($x, $y)\n"	1862	} or
1567	# if $map;
1568
1569	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1570		1864
1571	$self->leave_link ($map, $x, $y);	1865	$self->leave_link ($map, $x, $y);
1572	})->prio (1);	1866	})->prio (1);
1573	}	1867	}
1574		1868
…		…
1578		1872
1579	sub parse_random_map_params {	1873	sub parse_random_map_params {
1580	my ($spec) = @_;	1874	my ($spec) = @_;
1581		1875
1582	my $rmp = { # defaults	1876	my $rmp = { # defaults
1583	xsize => 10,	1877	xsize => (cf::rndm 15, 40),
1584	ysize => 10,	1878	ysize => (cf::rndm 15, 40),
		1879	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1880	#layout => string,
1585	};	1881	};
1586		1882
1587	for (split /\n/, $spec) {	1883	for (split /\n/, $spec) {
1588	my ($k, $v) = split /\s+/, $_, 2;	1884	my ($k, $v) = split /\s+/, $_, 2;
1589		1885
…		…
1593	$rmp	1889	$rmp
1594	}	1890	}
1595		1891
1596	sub prepare_random_map {	1892	sub prepare_random_map {
1597	my ($exit) = @_;	1893	my ($exit) = @_;
		1894
		1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1598		1896
1599	# all this does is basically replace the /! path by	1897	# all this does is basically replace the /! path by
1600	# a new random map path (?random/...) with a seed	1898	# a new random map path (?random/...) with a seed
1601	# that depends on the exit object	1899	# that depends on the exit object
1602		1900
1603	my $rmp = parse_random_map_params $exit->msg;	1901	my $rmp = parse_random_map_params $exit->msg;
1604		1902
1605	if ($exit->map) {	1903	if ($exit->map) {
1606	$rmp->{region} = $exit->map->region_name;	1904	$rmp->{region} = $exit->region->name;
1607	$rmp->{origin_map} = $exit->map->path;	1905	$rmp->{origin_map} = $exit->map->path;
1608	$rmp->{origin_x} = $exit->x;	1906	$rmp->{origin_x} = $exit->x;
1609	$rmp->{origin_y} = $exit->y;	1907	$rmp->{origin_y} = $exit->y;
1610	}	1908	}
1611		1909
1612	$rmp->{random_seed} ||= $exit->random_seed;	1910	$rmp->{random_seed} ||= $exit->random_seed;
1613		1911
1614	my $data = cf::to_json $rmp;	1912	my $data = cf::to_json $rmp;
1615	my $md5 = Digest::MD5::md5_hex $data;	1913	my $md5 = Digest::MD5::md5_hex $data;
		1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1616		1915
1617	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1618	aio_write $fh, 0, (length $data), $data, 0;	1917	aio_write $fh, 0, (length $data), $data, 0;
		1918	undef $fh;
		1919	aio_rename "$meta~", $meta;
1619		1920
1620	$exit->slaying ("?random/$md5");	1921	$exit->slaying ("?random/$md5");
1621	$exit->msg (undef);	1922	$exit->msg (undef);
1622	}	1923	}
1623	}	1924	}
…		…
1625	sub cf::object::player::enter_exit {	1926	sub cf::object::player::enter_exit {
1626	my ($self, $exit) = @_;	1927	my ($self, $exit) = @_;
1627		1928
1628	return unless $self->type == cf::PLAYER;	1929	return unless $self->type == cf::PLAYER;
1629		1930
		1931	if ($exit->slaying eq "/!") {
		1932	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1933	cf::sync_job { prepare_random_map $exit };
		1934	}
		1935
		1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1937	my $hp = $exit->stats->hp;
		1938	my $sp = $exit->stats->sp;
		1939
1630	$self->enter_link;	1940	$self->enter_link;
1631		1941
1632	(Coro::async {	1942	(async {
		1943	$self->deactivate_recursive; # just to be sure
1633	unless (eval {	1944	unless (eval {
1634		1945	$self->goto ($slaying, $hp, $sp);
1635	prepare_random_map $exit
1636	if $exit->slaying eq "/!";
1637
1638	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1639	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1640		1946
1641	1;	1947	1;
1642	}) {	1948	}) {
1643	$self->message ("Something went wrong deep within the crossfire server. "	1949	$self->message ("Something went wrong deep within the crossfire server. "
1644	. "I'll try to bring you back to the map you were before. "	1950	. "I'll try to bring you back to the map you were before. "
1645	. "Please report this to the dungeon master",	1951	. "Please report this to the dungeon master!",
1646	cf::NDI_UNIQUE | cf::NDI_RED);	1952	cf::NDI_UNIQUE | cf::NDI_RED);
1647		1953
1648	warn "ERROR in enter_exit: $@";	1954	warn "ERROR in enter_exit: $@";
1649	$self->leave_link;	1955	$self->leave_link;
1650	}	1956	}
…		…
1701	on_reply => sub {	2007	on_reply => sub {
1702	my ($ns, $msg) = @_;	2008	my ($ns, $msg) = @_;
1703		2009
1704	# this weird shuffling is so that direct followup queries	2010	# this weird shuffling is so that direct followup queries
1705	# get handled first	2011	# get handled first
1706	my $queue = delete $ns->{query_queue};	2012	my $queue = delete $ns->{query_queue}
		2013	or return; # be conservative, not sure how that can happen, but we saw a crash here
1707		2014
1708	(shift @$queue)->[1]->($msg);	2015	(shift @$queue)->[1]->($msg);
		2016	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1709		2017
1710	push @{ $ns->{query_queue} }, @$queue;	2018	push @{ $ns->{query_queue} }, @$queue;
1711		2019
1712	if (@{ $ns->{query_queue} } == @$queue) {	2020	if (@{ $ns->{query_queue} } == @$queue) {
1713	if (@$queue) {	2021	if (@$queue) {
…		…
1717	}	2025	}
1718	}	2026	}
1719	},	2027	},
1720	);	2028	);
1721		2029
1722	=item $client->coro (\&cb)	2030	=item $client->async (\&cb)
1723		2031
1724	Create a new coroutine, running the specified callback. The coroutine will	2032	Create a new coroutine, running the specified callback. The coroutine will
1725	be automatically cancelled when the client gets destroyed (e.g. on logout,	2033	be automatically cancelled when the client gets destroyed (e.g. on logout,
1726	or loss of connection).	2034	or loss of connection).
1727		2035
1728	=cut	2036	=cut
1729		2037
1730	sub cf::client::coro {	2038	sub cf::client::async {
1731	my ($self, $cb) = @_;	2039	my ($self, $cb) = @_;
1732		2040
1733	my $coro; $coro = async {	2041	my $coro = &Coro::async ($cb);
1734	eval {
1735	$cb->();
1736	};
1737	warn $@ if $@;
1738	};
1739		2042
1740	$coro->on_destroy (sub {	2043	$coro->on_destroy (sub {
1741	delete $self->{_coro}{$coro+0};	2044	delete $self->{_coro}{$coro+0};
1742	});	2045	});
1743		2046
…		…
1879	The parameter C<$family> should best start with the name of the extension	2182	The parameter C<$family> should best start with the name of the extension
1880	using it, it should be unique.	2183	using it, it should be unique.
1881		2184
1882	=over 4	2185	=over 4
1883		2186
1884	=item $hashref = cf::db_get $family
1885
1886	Return a hashref for use by the extension C<$family>, which can be
1887	modified. After modifications, you have to call C<cf::db_dirty> or
1888	C<cf::db_sync>.
1889
1890	=item $value = cf::db_get $family => $key	2187	=item $value = cf::db_get $family => $key
1891		2188
1892	Returns a single value from the database	2189	Returns a single value from the database.
1893
1894	=item cf::db_put $family => $hashref
1895
1896	Stores the given family hashref into the database. Updates are delayed, if
1897	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1898		2190
1899	=item cf::db_put $family => $key => $value	2191	=item cf::db_put $family => $key => $value
1900		2192
1901	Stores the given C<$value> in the family hash. Updates are delayed, if you	2193	Stores the given C<$value> in the family.
1902	want the data to be synced to disk immediately, use C<cf::db_sync>.
1903
1904	=item cf::db_dirty
1905
1906	Marks the database as dirty, to be updated at a later time.
1907
1908	=item cf::db_sync
1909
1910	Immediately write the database to disk I<if it is dirty>.
1911		2194
1912	=cut	2195	=cut
1913		2196
1914	our $DB;	2197	our $DB;
1915		2198
1916	{	2199	sub db_init {
		2200	unless ($DB) {
		2201	$DB = BDB::db_create $DB_ENV;
		2202
		2203	cf::sync_job {
		2204	eval {
		2205	$DB->set_flags (BDB::CHKSUM);
		2206
		2207	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2208	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2209	cf::cleanup "db_open(db): $!" if $!;
		2210	};
		2211	cf::cleanup "db_open(db): $@" if $@;
		2212	};
		2213
1917	my $path = cf::localdir . "/database.pst";	2214	my $path = cf::localdir . "/database.pst";
		2215	if (stat $path) {
		2216	cf::sync_job {
		2217	my $pst = Storable::retrieve $path;
1918		2218
1919	sub db_load() {	2219	cf::db_put (board => data => $pst->{board});
1920	$DB = stat $path ? Storable::retrieve $path : { };	2220	cf::db_put (guildrules => data => $pst->{guildrules});
1921	}	2221	cf::db_put (rent => balance => $pst->{rent}{balance});
		2222	BDB::db_env_txn_checkpoint $DB_ENV;
1922		2223
1923	my $pid;	2224	unlink $path;
1924
1925	sub db_save() {
1926	waitpid $pid, 0 if $pid;
1927	if (0 == ($pid = fork)) {
1928	$DB->{_meta}{version} = 1;
1929	Storable::nstore $DB, "$path~";
1930	rename "$path~", $path;
1931	cf::_exit 0 if defined $pid;
1932	}	2225	};
1933	}
1934
1935	my $dirty;
1936
1937	sub db_sync() {
1938	db_save if $dirty;
1939	undef $dirty;
1940	}
1941
1942	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1943	db_sync;
1944	});
1945
1946	sub db_dirty() {
1947	$dirty = 1;
1948	$idle->start;
1949	}
1950
1951	sub db_get($;$) {
1952	@_ >= 2
1953	? $DB->{$_[0]}{$_[1]}
1954	: ($DB->{$_[0]} ||= { })
1955	}
1956
1957	sub db_put($$;$) {
1958	if (@_ >= 3) {
1959	$DB->{$_[0]}{$_[1]} = $_[2];
1960	} else {
1961	$DB->{$_[0]} = $_[1];
1962	}
1963	db_dirty;
1964	}
1965
1966	cf::global->attach (
1967	prio => 10000,
1968	on_cleanup => sub {
1969	db_sync;
1970	},	2226	}
1971	);	2227	}
		2228	}
		2229
		2230	sub db_get($$) {
		2231	my $key = "$_[0]/$_[1]";
		2232
		2233	cf::sync_job {
		2234	BDB::db_get $DB, undef, $key, my $data;
		2235
		2236	$! ? ()
		2237	: Compress::LZF::sthaw $data
		2238	}
		2239	}
		2240
		2241	sub db_put($$$) {
		2242	BDB::dbreq_pri 4;
		2243	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1972	}	2244	}
1973		2245
1974	#############################################################################	2246	#############################################################################
1975	# the server's main()	2247	# the server's init and main functions
		2248
		2249	sub init_resources {
		2250	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2251	or die "unable to load regions file\n";#d#
		2252	}
1976		2253
1977	sub cfg_load {	2254	sub cfg_load {
1978	open my $fh, "<:utf8", cf::confdir . "/config"	2255	open my $fh, "<:utf8", cf::confdir . "/config"
1979	or return;	2256	or return;
1980		2257
1981	local $/;	2258	local $/;
1982	*CFG = YAML::Syck::Load <$fh>;	2259	*CFG = YAML::Syck::Load <$fh>;
		2260
		2261	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2262
		2263	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2264	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2265
		2266	if (exists $CFG{mlockall}) {
		2267	eval {
		2268	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2269	and die "WARNING: m(un)lockall failed: $!\n";
		2270	};
		2271	warn $@ if $@;
		2272	}
		2273	}
		2274
		2275	sub init {
		2276	init_resources;
1983	}	2277	}
1984		2278
1985	sub main {	2279	sub main {
1986	# we must not ever block the main coroutine	2280	# we must not ever block the main coroutine
1987	local $Coro::idle = sub {	2281	local $Coro::idle = sub {
1988	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2282	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1989	(Coro::unblock_sub {	2283	(async {
1990	Event::one_event;	2284	Event::one_event;
1991	})->();	2285	})->prio (Coro::PRIO_MAX);
1992	};	2286	};
1993		2287
1994	cfg_load;	2288	cfg_load;
1995	db_load;	2289	db_init;
1996	load_extensions;	2290	load_extensions;
		2291
		2292	$TICK_WATCHER->start;
1997	Event::loop;	2293	Event::loop;
1998	}	2294	}
1999		2295
2000	#############################################################################	2296	#############################################################################
2001	# initialisation	2297	# initialisation and cleanup
		2298
		2299	# install some emergency cleanup handlers
		2300	BEGIN {
		2301	for my $signal (qw(INT HUP TERM)) {
		2302	Event->signal (
		2303	reentrant => 0,
		2304	data => WF_AUTOCANCEL,
		2305	signal => $signal,
		2306	prio => 0,
		2307	cb => sub {
		2308	cf::cleanup "SIG$signal";
		2309	},
		2310	);
		2311	}
		2312	}
		2313
		2314	sub emergency_save() {
		2315	my $freeze_guard = cf::freeze_mainloop;
		2316
		2317	warn "enter emergency perl save\n";
		2318
		2319	cf::sync_job {
		2320	# use a peculiar iteration method to avoid tripping on perl
		2321	# refcount bugs in for. also avoids problems with players
		2322	# and maps saved/destroyed asynchronously.
		2323	warn "begin emergency player save\n";
		2324	for my $login (keys %cf::PLAYER) {
		2325	my $pl = $cf::PLAYER{$login} or next;
		2326	$pl->valid or next;
		2327	$pl->save;
		2328	}
		2329	warn "end emergency player save\n";
		2330
		2331	warn "begin emergency map save\n";
		2332	for my $path (keys %cf::MAP) {
		2333	my $map = $cf::MAP{$path} or next;
		2334	$map->valid or next;
		2335	$map->save;
		2336	}
		2337	warn "end emergency map save\n";
		2338
		2339	warn "begin emergency database checkpoint\n";
		2340	BDB::db_env_txn_checkpoint $DB_ENV;
		2341	warn "end emergency database checkpoint\n";
		2342	};
		2343
		2344	warn "leave emergency perl save\n";
		2345	}
		2346
		2347	sub post_cleanup {
		2348	my ($make_core) = @_;
		2349
		2350	warn Carp::longmess "post_cleanup backtrace"
		2351	if $make_core;
		2352	}
2002		2353
2003	sub reload() {	2354	sub reload() {
2004	# can/must only be called in main	2355	# can/must only be called in main
2005	if ($Coro::current != $Coro::main) {	2356	if ($Coro::current != $Coro::main) {
2006	warn "can only reload from main coroutine\n";	2357	warn "can only reload from main coroutine";
2007	return;	2358	return;
2008	}	2359	}
2009		2360
2010	warn "reloading...";	2361	warn "reloading...";
2011		2362
2012	local $FREEZE = 1;	2363	warn "entering sync_job";
		2364
		2365	cf::sync_job {
		2366	cf::write_runtime; # external watchdog should not bark
2013	cf::emergency_save;	2367	cf::emergency_save;
		2368	cf::write_runtime; # external watchdog should not bark
2014		2369
2015	eval {	2370	warn "syncing database to disk";
		2371	BDB::db_env_txn_checkpoint $DB_ENV;
		2372
2016	# if anything goes wrong in here, we should simply crash as we already saved	2373	# if anything goes wrong in here, we should simply crash as we already saved
2017		2374
2018	# cancel all watchers	2375	warn "cancelling all WF_AUTOCANCEL watchers";
2019	for (Event::all_watchers) {	2376	for (Event::all_watchers) {
2020	$_->cancel if $_->data & WF_AUTOCANCEL;	2377	$_->cancel if $_->data & WF_AUTOCANCEL;
2021	}	2378	}
2022		2379
		2380	warn "flushing outstanding aio requests";
		2381	for (;;) {
		2382	BDB::flush;
		2383	IO::AIO::flush;
		2384	Coro::cede;
		2385	last unless IO::AIO::nreqs || BDB::nreqs;
		2386	warn "iterate...";
		2387	}
		2388
2023	# cancel all extension coros	2389	warn "cancelling all extension coros";
2024	$_->cancel for values %EXT_CORO;	2390	$_->cancel for values %EXT_CORO;
2025	%EXT_CORO = ();	2391	%EXT_CORO = ();
2026		2392
2027	# unload all extensions	2393	warn "removing commands";
2028	for (@exts) {	2394	%COMMAND = ();
		2395
		2396	warn "removing ext commands";
		2397	%EXTCMD = ();
		2398
		2399	warn "unloading/nuking all extensions";
		2400	for my $pkg (@EXTS) {
2029	warn "unloading <$_>";	2401	warn "... unloading $pkg";
2030	unload_extension $_;	2402
		2403	if (my $cb = $pkg->can ("unload")) {
		2404	eval {
		2405	$cb->($pkg);
		2406	1
		2407	} or warn "$pkg unloaded, but with errors: $@";
2031	}	2408	}
2032		2409
		2410	warn "... nuking $pkg";
		2411	Symbol::delete_package $pkg;
		2412	}
		2413
2033	# unload all modules loaded from $LIBDIR	2414	warn "unloading all perl modules loaded from $LIBDIR";
2034	while (my ($k, $v) = each %INC) {	2415	while (my ($k, $v) = each %INC) {
2035	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2416	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2036		2417
2037	warn "removing <$k>";	2418	warn "... unloading $k";
2038	delete $INC{$k};	2419	delete $INC{$k};
2039		2420
2040	$k =~ s/\.pm$//;	2421	$k =~ s/\.pm$//;
2041	$k =~ s/\//::/g;	2422	$k =~ s/\//::/g;
2042		2423
…		…
2045	}	2426	}
2046		2427
2047	Symbol::delete_package $k;	2428	Symbol::delete_package $k;
2048	}	2429	}
2049		2430
2050	# sync database to disk
2051	cf::db_sync;
2052	IO::AIO::flush;
2053
2054	# get rid of safe::, as good as possible	2431	warn "getting rid of safe::, as good as possible";
2055	Symbol::delete_package "safe::$_"	2432	Symbol::delete_package "safe::$_"
2056	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2433	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2057		2434
2058	# remove register_script_function callbacks
2059	# TODO
2060
2061	# unload cf.pm "a bit"	2435	warn "unloading cf.pm \"a bit\"";
2062	delete $INC{"cf.pm"};	2436	delete $INC{"cf.pm"};
2063		2437
2064	# don't, removes xs symbols, too,	2438	# don't, removes xs symbols, too,
2065	# and global variables created in xs	2439	# and global variables created in xs
2066	#Symbol::delete_package __PACKAGE__;	2440	#Symbol::delete_package __PACKAGE__;
2067		2441
2068	# reload cf.pm	2442	warn "unload completed, starting to reload now";
		2443
2069	warn "reloading cf.pm";	2444	warn "reloading cf.pm";
2070	require cf;	2445	require cf;
2071	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2446	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2072		2447
2073	# load config and database again	2448	warn "loading config and database again";
2074	cf::cfg_load;	2449	cf::cfg_load;
2075	cf::db_load;
2076		2450
2077	# load extensions
2078	warn "load extensions";	2451	warn "loading extensions";
2079	cf::load_extensions;	2452	cf::load_extensions;
2080		2453
2081	# reattach attachments to objects	2454	warn "reattaching attachments to objects/players";
2082	warn "reattach";
2083	_global_reattach;	2455	_global_reattach;
2084	};	2456	warn "reattaching attachments to maps";
		2457	reattach $_ for values %MAP;
2085		2458
2086	if ($@) {	2459	warn "loading reloadable resources";
		2460	init_resources;
		2461
		2462	warn "leaving sync_job";
		2463
		2464	1
		2465	} or do {
2087	warn $@;	2466	warn $@;
2088	warn "error while reloading, exiting.";	2467	warn "error while reloading, exiting.";
2089	exit 1;	2468	exit 1;
2090	}	2469	};
2091		2470
2092	warn "reloaded successfully";	2471	warn "reloaded";
2093	};	2472	};
2094		2473
2095	#############################################################################	2474	our $RELOAD_WATCHER; # used only during reload
2096
2097	unless ($LINK_MAP) {
2098	$LINK_MAP = cf::map::new;
2099
2100	$LINK_MAP->width (41);
2101	$LINK_MAP->height (41);
2102	$LINK_MAP->alloc;
2103	$LINK_MAP->path ("{link}");
2104	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2105	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2106
2107	# dirty hack because... archetypes are not yet loaded
2108	Event->timer (
2109	after => 2,
2110	cb => sub {
2111	$_[0]->w->cancel;
2112
2113	# provide some exits "home"
2114	my $exit = cf::object::new "exit";
2115
2116	$exit->slaying ($EMERGENCY_POSITION->[0]);
2117	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2118	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2119
2120	$LINK_MAP->insert ($exit->clone, 19, 19);
2121	$LINK_MAP->insert ($exit->clone, 19, 20);
2122	$LINK_MAP->insert ($exit->clone, 19, 21);
2123	$LINK_MAP->insert ($exit->clone, 20, 19);
2124	$LINK_MAP->insert ($exit->clone, 20, 21);
2125	$LINK_MAP->insert ($exit->clone, 21, 19);
2126	$LINK_MAP->insert ($exit->clone, 21, 20);
2127	$LINK_MAP->insert ($exit->clone, 21, 21);
2128
2129	$exit->destroy;
2130	});
2131
2132	$LINK_MAP->{deny_save} = 1;
2133	$LINK_MAP->{deny_reset} = 1;
2134
2135	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2136	}
2137
2138	register "<global>", __PACKAGE__;
2139		2475
2140	register_command "reload" => sub {	2476	register_command "reload" => sub {
2141	my ($who, $arg) = @_;	2477	my ($who, $arg) = @_;
2142		2478
2143	if ($who->flag (FLAG_WIZ)) {	2479	if ($who->flag (FLAG_WIZ)) {
2144	$who->message ("start of reload.");	2480	$who->message ("reloading server.");
		2481
		2482	# doing reload synchronously and two reloads happen back-to-back,
		2483	# coro crashes during coro_state_free->destroy here.
		2484
		2485	$RELOAD_WATCHER ||= Event->timer (
		2486	reentrant => 0,
		2487	after => 0,
		2488	data => WF_AUTOCANCEL,
		2489	cb => sub {
2145	reload;	2490	reload;
2146	$who->message ("end of reload.");	2491	undef $RELOAD_WATCHER;
		2492	},
		2493	);
2147	}	2494	}
2148	};	2495	};
2149		2496
2150	unshift @INC, $LIBDIR;	2497	unshift @INC, $LIBDIR;
		2498
		2499	my $bug_warning = 0;
2151		2500
2152	$TICK_WATCHER = Event->timer (	2501	$TICK_WATCHER = Event->timer (
2153	reentrant => 0,	2502	reentrant => 0,
		2503	parked => 1,
2154	prio => 0,	2504	prio => 0,
2155	at => $NEXT_TICK || $TICK,	2505	at => $NEXT_TICK || $TICK,
2156	data => WF_AUTOCANCEL,	2506	data => WF_AUTOCANCEL,
2157	cb => sub {	2507	cb => sub {
2158	unless ($FREEZE) {	2508	if ($Coro::current != $Coro::main) {
		2509	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2510	unless ++$bug_warning > 10;
		2511	return;
		2512	}
		2513
		2514	$NOW = Event::time;
		2515
2159	cf::server_tick; # one server iteration	2516	cf::server_tick; # one server iteration
2160	$RUNTIME += $TICK;	2517	$RUNTIME += $TICK;
2161	}
2162
2163	$NEXT_TICK += $TICK;	2518	$NEXT_TICK += $TICK;
		2519
		2520	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2521	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2522	Coro::async_pool {
		2523	write_runtime
		2524	or warn "ERROR: unable to write runtime file: $!";
		2525	};
		2526	}
		2527
		2528	$WAIT_FOR_TICK->broadcast;
		2529	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2530
		2531	# my $AFTER = Event::time;
		2532	# warn $AFTER - $NOW;#d#
2164		2533
2165	# if we are delayed by four ticks or more, skip them all	2534	# if we are delayed by four ticks or more, skip them all
2166	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2535	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2167		2536
2168	$TICK_WATCHER->at ($NEXT_TICK);	2537	$TICK_WATCHER->at ($NEXT_TICK);
2169	$TICK_WATCHER->start;	2538	$TICK_WATCHER->start;
2170	},	2539	},
2171	);	2540	);
2172		2541
		2542	{
2173	IO::AIO::max_poll_time $TICK * 0.2;	2543	BDB::max_poll_time $TICK * 0.1;
2174		2544	$BDB_POLL_WATCHER = Event->io (
2175	Event->io (	2545	reentrant => 0,
2176	fd => IO::AIO::poll_fileno,	2546	fd => BDB::poll_fileno,
2177	poll => 'r',	2547	poll => 'r',
2178	prio => 5,	2548	prio => 0,
2179	data => WF_AUTOCANCEL,
2180	cb => \&IO::AIO::poll_cb,
2181	);
2182
2183	Event->timer (
2184	data => WF_AUTOCANCEL,	2549	data => WF_AUTOCANCEL,
2185	after => 0,	2550	cb => \&BDB::poll_cb,
2186	interval => 10,	2551	);
2187	cb => sub {	2552	BDB::min_parallel 8;
2188	(Coro::unblock_sub {	2553
2189	write_runtime	2554	BDB::set_sync_prepare {
2190	or warn "ERROR: unable to write runtime file: $!";	2555	my $status;
		2556	my $current = $Coro::current;
		2557	(
		2558	sub {
		2559	$status = $!;
		2560	$current->ready; undef $current;
		2561	},
		2562	sub {
		2563	Coro::schedule while defined $current;
		2564	$! = $status;
		2565	},
		2566	)
		2567	};
		2568
		2569	unless ($DB_ENV) {
		2570	$DB_ENV = BDB::db_env_create;
		2571
		2572	cf::sync_job {
		2573	eval {
		2574	BDB::db_env_open
		2575	$DB_ENV,
		2576	$BDB_ENV_DIR,
		2577	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2578	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2579	0666;
		2580
		2581	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2582
		2583	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2584	$DB_ENV->set_lk_detect;
		2585	};
		2586
		2587	cf::cleanup "db_env_open(db): $@" if $@;
2191	})->();	2588	};
2192	},	2589	}
2193	);	2590	}
		2591
		2592	{
		2593	IO::AIO::min_parallel 8;
		2594
		2595	undef $Coro::AIO::WATCHER;
		2596	IO::AIO::max_poll_time $TICK * 0.1;
		2597	$AIO_POLL_WATCHER = Event->io (
		2598	reentrant => 0,
		2599	data => WF_AUTOCANCEL,
		2600	fd => IO::AIO::poll_fileno,
		2601	poll => 'r',
		2602	prio => 6,
		2603	cb => \&IO::AIO::poll_cb,
		2604	);
		2605	}
		2606
		2607	END { cf::emergency_save }
2194		2608
2195	1	2609	1
2196		2610

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