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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.133 by root, Thu Jan 4 16:19:32 2007 UTC vs.
Revision 1.221 by pippijn, Fri Mar 2 13:32:52 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 $RANDOM_MAPS = cf::localdir . "/random";	70	our $RANDOM_MAPS = cf::localdir . "/random";
55	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
56		78
57	binmode STDOUT;	79	binmode STDOUT;
58	binmode STDERR;	80	binmode STDERR;
59		81
60	# read virtual server time, if available	82	# read virtual server time, if available
…		…
67	mkdir cf::localdir;	89	mkdir cf::localdir;
68	mkdir cf::localdir . "/" . cf::playerdir;	90	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	91	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	92	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	93	mkdir $RANDOM_MAPS;
		94	mkdir $BDB_ENV_DIR;
72		95
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	96	our $EMERGENCY_POSITION;
		97
		98	sub cf::map::normalise;
76		99
77	#############################################################################	100	#############################################################################
78		101
79	=head2 GLOBAL VARIABLES	102	=head2 GLOBAL VARIABLES
80		103
…		…
104		127
105	=item %cf::CFG	128	=item %cf::CFG
106		129
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	130	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	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.
109		139
110	=back	140	=back
111		141
112	=cut	142	=cut
113		143
…		…
117	utf8::encode $msg;	147	utf8::encode $msg;
118		148
119	$msg .= "\n"	149	$msg .= "\n"
120	unless $msg =~ /\n$/;	150	unless $msg =~ /\n$/;
121		151
122	LOG llevError, "cfperl: $msg";	152	LOG llevError, $msg;
123	};	153	};
124	}	154	}
125		155
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		175
146	$Event::DIED = sub {	176	$Event::DIED = sub {
147	warn "error in event callback: @_";	177	warn "error in event callback: @_";
148	};	178	};
149		179
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	180	=head2 UTILITY FUNCTIONS
155		181
156	=over 4	182	=over 4
157		183
		184	=item dumpval $ref
		185
158	=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	}
159		206
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	207	use JSON::Syck (); # TODO# replace by JSON::PC once working
161		208
162	=item $ref = cf::from_json $json	209	=item $ref = cf::from_json $json
163		210
…		…
179	sub to_json($) {	226	sub to_json($) {
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]	228	JSON::Syck::Dump $_[0]
182	}	229	}
183		230
184	=item my $guard = cf::guard { BLOCK }
185
186	Run the given callback when the guard object gets destroyed (useful for
187	coroutine cancellations).
188
189	You can call C<< ->cancel >> on the guard object to stop the block from
190	being executed.
191
192	=cut
193
194	sub guard(&) {
195	bless \(my $cb = $_[0]), cf::guard::;
196	}
197
198	sub cf::guard::cancel {
199	${$_[0]} = sub { };
200	}
201
202	sub cf::guard::DESTROY {
203	${$_[0]}->();
204	}
205
206	=item cf::lock_wait $string	231	=item cf::lock_wait $string
207		232
208	Wait until the given lock is available. See cf::lock_acquire.	233	Wait until the given lock is available. See cf::lock_acquire.
209		234
210	=item my $lock = cf::lock_acquire $string	235	=item my $lock = cf::lock_acquire $string
211		236
212	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
213	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,
214	for example when the coroutine gets canceled), the lock is automatically	239	for example when the coroutine gets canceled), the lock is automatically
215	returned.	240	returned.
216		241
217	Lock names should begin with a unique identifier (for example, cf::map::find	242	Lock names should begin with a unique identifier (for example, cf::map::find
218	uses map_find and cf::map::load uses map_load).	243	uses map_find and cf::map::load uses map_load).
…		…
237	# wait, to be sure we are not locked	262	# wait, to be sure we are not locked
238	lock_wait $key;	263	lock_wait $key;
239		264
240	$LOCK{$key} = [];	265	$LOCK{$key} = [];
241		266
242	cf::guard {	267	Coro::guard {
243	# wake up all waiters, to be on the safe side	268	# wake up all waiters, to be on the safe side
244	$_->ready for @{ delete $LOCK{$key} };	269	$_->ready for @{ delete $LOCK{$key} };
245	}	270	}
246	}	271	}
247		272
248	=item cf::async { BLOCK }
249
250	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
251	error instead of exiting the server in case of a problem.
252
253	=cut
254
255	sub async(&) {
256	my ($cb) = @_;
257
258	Coro::async {
259	eval { $cb->() };
260	warn $@ if $@;
261	}
262	}
263
264	sub freeze_mainloop {	273	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	274	return unless $TICK_WATCHER->is_active;
266		275
267	my $guard = guard { $TICK_WATCHER->start };	276	my $guard = Coro::guard {
		277	$TICK_WATCHER->start;
		278	};
268	$TICK_WATCHER->stop;	279	$TICK_WATCHER->stop;
269	$guard	280	$guard
270	}	281	}
		282
		283	=item cf::async { BLOCK }
		284
		285	Currently the same as Coro::async_pool, meaning you cannot use
		286	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		287	thing you are allowed to do is call C<prio> on it.
		288
		289	=cut
		290
		291	BEGIN { *async = \&Coro::async_pool }
271		292
272	=item cf::sync_job { BLOCK }	293	=item cf::sync_job { BLOCK }
273		294
274	The design of crossfire+ requires that the main coro ($Coro::main) is	295	The design of crossfire+ requires that the main coro ($Coro::main) is
275	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
…		…
294	my $freeze_guard = freeze_mainloop;	315	my $freeze_guard = freeze_mainloop;
295		316
296	my $busy = 1;	317	my $busy = 1;
297	my @res;	318	my @res;
298		319
299	(Coro::async {	320	(async {
300	@res = eval { $job->() };	321	@res = eval { $job->() };
301	warn $@ if $@;	322	warn $@ if $@;
302	undef $busy;	323	undef $busy;
303	})->prio (Coro::PRIO_MAX);	324	})->prio (Coro::PRIO_MAX);
304		325
305	while ($busy) {	326	while ($busy) {
306	Coro::cede_notself;	327	Coro::cede or Event::one_event;
307	Event::one_event unless Coro::nready;
308	}	328	}
309		329
310	wantarray ? @res : $res[0]	330	wantarray ? @res : $res[0]
311	} else {	331	} else {
312	# we are in another coroutine, how wonderful, everything just works	332	# we are in another coroutine, how wonderful, everything just works
313		333
314	$job->()	334	$job->()
315	}	335	}
316	}	336	}
317		337
318	=item $coro = cf::coro { BLOCK }	338	=item $coro = cf::async_ext { BLOCK }
319		339
320	Creates and returns a new coro. This coro is automcatially being canceled	340	Like async, but this coro is automatically being canceled when the
321	when the extension calling this is being unloaded.	341	extension calling this is being unloaded.
322		342
323	=cut	343	=cut
324		344
325	sub coro(&) {	345	sub async_ext(&) {
326	my $cb = shift;	346	my $cb = shift;
327		347
328	my $coro = &cf::async ($cb);	348	my $coro = &Coro::async ($cb);
329		349
330	$coro->on_destroy (sub {	350	$coro->on_destroy (sub {
331	delete $EXT_CORO{$coro+0};	351	delete $EXT_CORO{$coro+0};
332	});	352	});
333	$EXT_CORO{$coro+0} = $coro;	353	$EXT_CORO{$coro+0} = $coro;
334		354
335	$coro	355	$coro
336	}	356	}
337		357
338	sub write_runtime {	358	sub write_runtime {
		359	my $guard = cf::lock_acquire "write_runtime";
		360
339	my $runtime = cf::localdir . "/runtime";	361	my $runtime = cf::localdir . "/runtime";
340		362
341	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
342	or return;	364	or return;
343		365
		366	my $value = $cf::RUNTIME + 90 + 10;
344	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
345	(aio_write $fh, 0, (length $value), $value, 0) <= 0	370	(aio_write $fh, 0, (length $value), $value, 0) <= 0
346	and return;	371	and return;
347		372
		373	# always fsync - this file is important
348	aio_fsync $fh	374	aio_fsync $fh
349	and return;	375	and return;
350		376
351	close $fh	377	close $fh
352	or return;	378	or return;
…		…
358	}	384	}
359		385
360	=back	386	=back
361		387
362	=cut	388	=cut
363
364	#############################################################################
365
366	package cf::path;
367
368	sub new {
369	my ($class, $path, $base) = @_;
370
371	$path = $path->as_string if ref $path;
372
373	my $self = bless { }, $class;
374
375	# {... are special paths that are not touched
376	# ?xxx/... are special absolute paths
377	# ?random/... random maps
378	# /! non-realised random map exit
379	# /... normal maps
380	# ~/... per-player maps without a specific player (DO NOT USE)
381	# ~user/... per-player map of a specific user
382
383	if ($path =~ /^{/) {
384	# fine as it is
385	} elsif ($path =~ s{^\?random/}{}) {
386	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
387	$self->{random} = cf::from_json $data;
388	} else {
389	if ($path =~ s{^~([^/]+)?}{}) {
390	$self->{user_rel} = 1;
391
392	if (defined $1) {
393	$self->{user} = $1;
394	} elsif ($base =~ m{^~([^/]+)/}) {
395	$self->{user} = $1;
396	} else {
397	warn "cannot resolve user-relative path without user <$path,$base>\n";
398	}
399	} elsif ($path =~ /^\//) {
400	# already absolute
401	} else {
402	$base =~ s{[^/]+/?$}{};
403	return $class->new ("$base/$path");
404	}
405
406	for ($path) {
407	redo if s{/\.?/}{/};
408	redo if s{/[^/]+/\.\./}{/};
409	}
410	}
411
412	$self->{path} = $path;
413
414	$self
415	}
416
417	# the name / primary key / in-game path
418	sub as_string {
419	my ($self) = @_;
420
421	$self->{user_rel} ? "~$self->{user}$self->{path}"
422	: $self->{random} ? "?random/$self->{path}"
423	: $self->{path}
424	}
425
426	# the displayed name, this is a one way mapping
427	sub visible_name {
428	my ($self) = @_;
429
430	# if (my $rmp = $self->{random}) {
431	# # todo: be more intelligent about this
432	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
433	# } else {
434	$self->as_string
435	# }
436	}
437
438	# escape the /'s in the path
439	sub _escaped_path {
440	# ∕ is U+2215
441	(my $path = $_[0]{path}) =~ s/\//∕/g;
442	$path
443	}
444
445	# the original (read-only) location
446	sub load_path {
447	my ($self) = @_;
448
449	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
450	}
451
452	# the temporary/swap location
453	sub save_path {
454	my ($self) = @_;
455
456	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
457	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
458	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
459	}
460
461	# the unique path, might be eq to save_path
462	sub uniq_path {
463	my ($self) = @_;
464
465	$self->{user_rel} || $self->{random}
466	? undef
467	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
468	}
469
470	# return random map parameters, or undef
471	sub random_map_params {
472	my ($self) = @_;
473
474	$self->{random}
475	}
476
477	# this is somewhat ugly, but style maps do need special treatment
478	sub is_style_map {
479	$_[0]{path} =~ m{^/styles/}
480	}
481
482	package cf;
483		389
484	#############################################################################	390	#############################################################################
485		391
486	=head2 ATTACHABLE OBJECTS	392	=head2 ATTACHABLE OBJECTS
487		393
…		…
613	our @CB_TYPE = (); # registry for type (cf-object class) based events	519	our @CB_TYPE = (); # registry for type (cf-object class) based events
614	our @CB_MAP = ();	520	our @CB_MAP = ();
615		521
616	my %attachment;	522	my %attachment;
617		523
		524	sub cf::attachable::thawer_merge {
		525	# simply override everything except _meta
		526	local $_[0]{_meta};
		527	%{$_[0]} = %{$_[1]};
		528	}
		529
618	sub _attach_cb($$$$) {	530	sub _attach_cb($$$$) {
619	my ($registry, $event, $prio, $cb) = @_;	531	my ($registry, $event, $prio, $cb) = @_;
620		532
621	use sort 'stable';	533	use sort 'stable';
622		534
…		…
793	# object support	705	# object support
794		706
795	sub reattach {	707	sub reattach {
796	# basically do the same as instantiate, without calling instantiate	708	# basically do the same as instantiate, without calling instantiate
797	my ($obj) = @_;	709	my ($obj) = @_;
		710
		711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
798		712
799	my $registry = $obj->registry;	713	my $registry = $obj->registry;
800		714
801	@$registry = ();	715	@$registry = ();
802		716
…		…
849	$filename, length $$rdata, scalar @$objs;	763	$filename, length $$rdata, scalar @$objs;
850		764
851	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
852	chmod SAVE_MODE, $fh;	766	chmod SAVE_MODE, $fh;
853	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
854	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
855	close $fh;	769	close $fh;
856		770
857	if (@$objs) {	771	if (@$objs) {
858	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) {
859	chmod SAVE_MODE, $fh;	773	chmod SAVE_MODE, $fh;
860	my $data = Storable::nfreeze { version => 1, objs => $objs };	774	my $data = Storable::nfreeze { version => 1, objs => $objs };
861	aio_write $fh, 0, (length $data), $data, 0;	775	aio_write $fh, 0, (length $data), $data, 0;
862	aio_fsync $fh;	776	aio_fsync $fh if $cf::USE_FSYNC;
863	close $fh;	777	close $fh;
864	aio_rename "$filename.pst~", "$filename.pst";	778	aio_rename "$filename.pst~", "$filename.pst";
865	}	779	}
866	} else {	780	} else {
867	aio_unlink "$filename.pst";	781	aio_unlink "$filename.pst";
…		…
934	=cut	848	=cut
935		849
936	sub register_extcmd {	850	sub register_extcmd {
937	my ($name, $cb) = @_;	851	my ($name, $cb) = @_;
938		852
939	my $caller = caller;
940	#warn "registering extcmd '$name' to '$caller'";
941
942	$EXTCMD{$name} = [$cb, $caller];	853	$EXTCMD{$name} = $cb;
943	}	854	}
944		855
945	cf::player->attach (	856	cf::player->attach (
946	on_command => sub {	857	on_command => sub {
947	my ($pl, $name, $params) = @_;	858	my ($pl, $name, $params) = @_;
…		…
960		871
961	my $msg = eval { from_json $buf };	872	my $msg = eval { from_json $buf };
962		873
963	if (ref $msg) {	874	if (ref $msg) {
964	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
965	if (my %reply = $cb->[0]->($pl, $msg)) {	876	if (my %reply = $cb->($pl, $msg)) {
966	$pl->ext_reply ($msg->{msgid}, %reply);	877	$pl->ext_reply ($msg->{msgid}, %reply);
967	}	878	}
968	}	879	}
969	} else {	880	} else {
970	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
972		883
973	cf::override;	884	cf::override;
974	},	885	},
975	);	886	);
976		887
977	sub register {
978	my ($base, $pkg) = @_;
979
980	#TODO
981	}
982
983	sub load_extension {	888	sub load_extension {
984	my ($path) = @_;	889	my ($path) = @_;
985		890
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
987	my $base = $1;	892	my $base = $1;
988	my $pkg = $1;	893	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;	894	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";	895	$pkg = "ext::$pkg";
991		896
992	warn "loading '$path' into '$pkg'\n";	897	warn "... loading '$path' into '$pkg'\n";
993		898
994	open my $fh, "<:utf8", $path	899	open my $fh, "<:utf8", $path
995	or die "$path: $!";	900	or die "$path: $!";
996		901
997	my $source =	902	my $source =
998	"package $pkg; use strict; use utf8;\n"	903	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"	904	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })	905	. (do { local $/; <$fh> })
1001	. "\n};\n1";	906	. "\n};\n1";
1002		907
1003	eval $source	908	unless (eval $source) {
1004	or die $@ ? "$path: $@\n"	909	my $msg = $@ ? "$path: $@\n"
1005	: "extension disabled.\n";	910	: "extension disabled.\n";
1006		911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1007	push @exts, $pkg;	912	warn $@;
1008	$ext_pkg{$base} = $pkg;	913	warn "mandatory extension failed to load, exiting.\n";
1009		914	exit 1;
1010	# no strict 'refs';	915	}
1011	# @{"$pkg\::ISA"} = ext::;	916	die $@;
1012
1013	register $base, $pkg;
1014	}
1015
1016	sub unload_extension {
1017	my ($pkg) = @_;
1018
1019	warn "removing extension $pkg\n";
1020
1021	# remove hooks
1022	#TODO
1023	# for my $idx (0 .. $#PLUGIN_EVENT) {
1024	# delete $hook[$idx]{$pkg};
1025	# }	917	}
1026		918
1027	# remove commands	919	push @EXTS, $pkg;
1028	for my $name (keys %COMMAND) {
1029	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1030
1031	if (@cb) {
1032	$COMMAND{$name} = \@cb;
1033	} else {
1034	delete $COMMAND{$name};
1035	}
1036	}
1037
1038	# remove extcmds
1039	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1040	delete $EXTCMD{$name};
1041	}
1042
1043	if (my $cb = $pkg->can ("unload")) {
1044	eval {
1045	$cb->($pkg);
1046	1
1047	} or warn "$pkg unloaded, but with errors: $@";
1048	}
1049
1050	Symbol::delete_package $pkg;
1051	}	920	}
1052		921
1053	sub load_extensions {	922	sub load_extensions {
1054	for my $ext (<$LIBDIR/*.ext>) {	923	for my $ext (<$LIBDIR/*.ext>) {
1055	next unless -r $ext;	924	next unless -r $ext;
…		…
1059	} or warn "$ext not loaded: $@";	928	} or warn "$ext not loaded: $@";
1060	}	929	}
1061	}	930	}
1062		931
1063	#############################################################################	932	#############################################################################
1064	# load/save/clean perl data associated with a map
1065
1066	*cf::mapsupport::on_clean = sub {
1067	my ($map) = @_;
1068
1069	my $path = $map->tmpname;
1070	defined $path or return;
1071
1072	unlink "$path.pst";
1073	};
1074
1075	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1076
1077	#############################################################################
1078	# load/save perl data associated with player->ob objects
1079
1080	sub all_objects(@) {
1081	@_, map all_objects ($_->inv), @_
1082	}
1083
1084	# TODO: compatibility cruft, remove when no longer needed
1085	cf::player->attach (
1086	on_load => sub {
1087	my ($pl, $path) = @_;
1088
1089	for my $o (all_objects $pl->ob) {
1090	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1091	$o->set_ob_key_value ("_perl_data");
1092
1093	%$o = %{ Storable::thaw pack "H*", $value };
1094	}
1095	}
1096	},
1097	);
1098
1099	#############################################################################
1100		933
1101	=head2 CORE EXTENSIONS	934	=head2 CORE EXTENSIONS
1102		935
1103	Functions and methods that extend core crossfire objects.	936	Functions and methods that extend core crossfire objects.
1104		937
		938	=cut
		939
		940	package cf::player;
		941
		942	use Coro::AIO;
		943
1105	=head3 cf::player	944	=head3 cf::player
1106		945
1107	=over 4	946	=over 4
1108		947
1109	=item cf::player::exists $login	948	=item cf::player::find $login
1110		949
1111	Returns true when the given account exists.	950	Returns the given player object, loading it if necessary (might block).
1112		951
1113	=cut	952	=cut
1114		953
1115	sub cf::player::exists($) {	954	sub playerdir($) {
1116	cf::player::find $_[0]	955	cf::localdir
1117	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	956	. "/"
		957	. cf::playerdir
		958	. "/"
		959	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		960	}
		961
		962	sub path($) {
		963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		964
		965	(playerdir $login) . "/$login.pl"
		966	}
		967
		968	sub find_active($) {
		969	$cf::PLAYER{$_[0]}
		970	and $cf::PLAYER{$_[0]}->active
		971	and $cf::PLAYER{$_[0]}
		972	}
		973
		974	sub exists($) {
		975	my ($login) = @_;
		976
		977	$cf::PLAYER{$login}
		978	or cf::sync_job { !aio_stat path $login }
		979	}
		980
		981	sub find($) {
		982	return $cf::PLAYER{$_[0]} || do {
		983	my $login = $_[0];
		984
		985	my $guard = cf::lock_acquire "user_find:$login";
		986
		987	$cf::PLAYER{$_[0]} || do {
		988	my $pl = load_pl path $login
		989	or return;
		990	$cf::PLAYER{$login} = $pl
		991	}
		992	}
		993	}
		994
		995	sub save($) {
		996	my ($pl) = @_;
		997
		998	return if $pl->{deny_save};
		999
		1000	my $path = path $pl;
		1001	my $guard = cf::lock_acquire "user_save:$path";
		1002
		1003	return if $pl->{deny_save};
		1004
		1005	aio_mkdir playerdir $pl, 0770;
		1006	$pl->{last_save} = $cf::RUNTIME;
		1007
		1008	$pl->save_pl ($path);
		1009	Coro::cede;
		1010	}
		1011
		1012	sub new($) {
		1013	my ($login) = @_;
		1014
		1015	my $self = create;
		1016
		1017	$self->ob->name ($login);
		1018	$self->{deny_save} = 1;
		1019
		1020	$cf::PLAYER{$login} = $self;
		1021
		1022	$self
		1023	}
		1024
		1025	=item $pl->quit_character
		1026
		1027	Nukes the player without looking back. If logged in, the connection will
		1028	be destroyed. May block for a long time.
		1029
		1030	=cut
		1031
		1032	sub quit_character {
		1033	my ($pl) = @_;
		1034
		1035	my $name = $pl->ob->name;
		1036
		1037	$pl->{deny_save} = 1;
		1038	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1039
		1040	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1041	$pl->deactivate;
		1042	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1043	$pl->ns->destroy if $pl->ns;
		1044
		1045	my $path = playerdir $pl;
		1046	my $temp = "$path~$cf::RUNTIME~deleting~";
		1047	aio_rename $path, $temp;
		1048	delete $cf::PLAYER{$pl->ob->name};
		1049	$pl->destroy;
		1050
		1051	my $prefix = qr<^~\Q$name\E/>;
		1052
		1053	# nuke player maps
		1054	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1055
		1056	IO::AIO::aio_rmtree $temp;
		1057	}
		1058
		1059	=item $pl->kick
		1060
		1061	Kicks a player out of the game. This destroys the connection.
		1062
		1063	=cut
		1064
		1065	sub kick {
		1066	my ($pl, $kicker) = @_;
		1067
		1068	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1069	$pl->killer ("kicked");
		1070	$pl->ns->destroy;
		1071	}
		1072
		1073	=item cf::player::list_logins
		1074
		1075	Returns am arrayref of all valid playernames in the system, can take a
		1076	while and may block, so not sync_job-capable, ever.
		1077
		1078	=cut
		1079
		1080	sub list_logins {
		1081	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1082	or return [];
		1083
		1084	my @logins;
		1085
		1086	for my $login (@$dirs) {
		1087	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1088	aio_read $fh, 0, 512, my $buf, 0 or next;
		1089	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1090
		1091	utf8::decode $login;
		1092	push @logins, $login;
		1093	}
		1094
		1095	\@logins
		1096	}
		1097
		1098	=item $player->maps
		1099
		1100	Returns an arrayref of map paths that are private for this
		1101	player. May block.
		1102
		1103	=cut
		1104
		1105	sub maps($) {
		1106	my ($pl) = @_;
		1107
		1108	$pl = ref $pl ? $pl->ob->name : $pl;
		1109
		1110	my $files = aio_readdir playerdir $pl
		1111	or return;
		1112
		1113	my @paths;
		1114
		1115	for (@$files) {
		1116	utf8::decode $_;
		1117	next if /\.(?:pl|pst)$/;
		1118	next unless /^$PATH_SEP/o;
		1119
		1120	push @paths, cf::map::normalise "~$pl/$_";
		1121	}
		1122
		1123	\@paths
1118	}	1124	}
1119		1125
1120	=item $player->ext_reply ($msgid, $msgtype, %msg)	1126	=item $player->ext_reply ($msgid, $msgtype, %msg)
1121		1127
1122	Sends an ext reply to the player.	1128	Sends an ext reply to the player.
1123		1129
1124	=cut	1130	=cut
1125		1131
1126	sub cf::player::ext_reply($$$%) {	1132	sub ext_reply($$$%) {
1127	my ($self, $id, %msg) = @_;	1133	my ($self, $id, %msg) = @_;
1128		1134
1129	$msg{msgid} = $id;	1135	$msg{msgid} = $id;
1130		1136
1131	$self->send ("ext " . to_json \%msg);	1137	$self->send ("ext " . cf::to_json \%msg);
1132	}	1138	}
		1139
		1140	package cf;
1133		1141
1134	=back	1142	=back
1135		1143
1136		1144
1137	=head3 cf::map	1145	=head3 cf::map
…		…
1143	package cf::map;	1151	package cf::map;
1144		1152
1145	use Fcntl;	1153	use Fcntl;
1146	use Coro::AIO;	1154	use Coro::AIO;
1147		1155
		1156	use overload
		1157	'""' => \&as_string,
		1158	fallback => 1;
		1159
1148	our $MAX_RESET = 3600;	1160	our $MAX_RESET = 3600;
1149	our $DEFAULT_RESET = 3000;	1161	our $DEFAULT_RESET = 3000;
1150		1162
1151	sub generate_random_map {	1163	sub generate_random_map {
1152	my ($path, $rmp) = @_;	1164	my ($self, $rmp) = @_;
1153
1154	# mit "rum" bekleckern, nicht	1165	# mit "rum" bekleckern, nicht
1155	cf::map::_create_random_map	1166	$self->_create_random_map (
1156	$path,
1157	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1167	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1158	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1168	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1159	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1169	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1160	$rmp->{exit_on_final_map},	1170	$rmp->{exit_on_final_map},
1161	$rmp->{xsize}, $rmp->{ysize},	1171	$rmp->{xsize}, $rmp->{ysize},
1162	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1172	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1163	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1173	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1164	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1174	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1165	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1175	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1166	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1176	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1167	(cf::region::find $rmp->{region})	1177	(cf::region::find $rmp->{region}), $rmp->{custom}
		1178	)
		1179	}
		1180
		1181	=item cf::map->register ($regex, $prio)
		1182
		1183	Register a handler for the map path matching the given regex at the
		1184	givne priority (higher is better, built-in handlers have priority 0, the
		1185	default).
		1186
		1187	=cut
		1188
		1189	sub register {
		1190	my (undef, $regex, $prio) = @_;
		1191	my $pkg = caller;
		1192
		1193	no strict;
		1194	push @{"$pkg\::ISA"}, __PACKAGE__;
		1195
		1196	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1197	}
		1198
		1199	# also paths starting with '/'
		1200	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1201
		1202	sub thawer_merge {
		1203	my ($self, $merge) = @_;
		1204
		1205	# we have to keep some variables in memory intact
		1206	local $self->{path};
		1207	local $self->{load_path};
		1208	local $self->{deny_save};
		1209	local $self->{deny_reset};
		1210
		1211	$self->SUPER::thawer_merge ($merge);
		1212	}
		1213
		1214	sub normalise {
		1215	my ($path, $base) = @_;
		1216
		1217	$path = "$path"; # make sure its a string
		1218
		1219	$path =~ s/\.map$//;
		1220
		1221	# map plan:
		1222	#
		1223	# /! non-realised random map exit (special hack!)
		1224	# {... are special paths that are not being touched
		1225	# ?xxx/... are special absolute paths
		1226	# ?random/... random maps
		1227	# /... normal maps
		1228	# ~user/... per-player map of a specific user
		1229
		1230	$path =~ s/$PATH_SEP/\//go;
		1231
		1232	# treat it as relative path if it starts with
		1233	# something that looks reasonable
		1234	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1235	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1236
		1237	$base =~ s{[^/]+/?$}{};
		1238	$path = "$base/$path";
		1239	}
		1240
		1241	for ($path) {
		1242	redo if s{//}{/};
		1243	redo if s{/\.?/}{/};
		1244	redo if s{/[^/]+/\.\./}{/};
		1245	}
		1246
		1247	$path
		1248	}
		1249
		1250	sub new_from_path {
		1251	my (undef, $path, $base) = @_;
		1252
		1253	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1254
		1255	$path = normalise $path, $base;
		1256
		1257	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1258	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1259	my $self = bless cf::map::new, $pkg;
		1260	$self->{path} = $path; $self->path ($path);
		1261	$self->init; # pass $1 etc.
		1262	return $self;
		1263	}
		1264	}
		1265
		1266	Carp::carp "unable to resolve path '$path' (base '$base').";
		1267	()
		1268	}
		1269
		1270	sub init {
		1271	my ($self) = @_;
		1272
		1273	$self
		1274	}
		1275
		1276	sub as_string {
		1277	my ($self) = @_;
		1278
		1279	"$self->{path}"
		1280	}
		1281
		1282	# the displayed name, this is a one way mapping
		1283	sub visible_name {
		1284	&as_string
		1285	}
		1286
		1287	# the original (read-only) location
		1288	sub load_path {
		1289	my ($self) = @_;
		1290
		1291	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1292	}
		1293
		1294	# the temporary/swap location
		1295	sub save_path {
		1296	my ($self) = @_;
		1297
		1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1299	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1300	}
		1301
		1302	# the unique path, undef == no special unique path
		1303	sub uniq_path {
		1304	my ($self) = @_;
		1305
		1306	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1307	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1168	}	1308	}
1169		1309
1170	# and all this just because we cannot iterate over	1310	# and all this just because we cannot iterate over
1171	# all maps in C++...	1311	# all maps in C++...
1172	sub change_all_map_light {	1312	sub change_all_map_light {
…		…
1174		1314
1175	$_->change_map_light ($change)	1315	$_->change_map_light ($change)
1176	for grep $_->outdoor, values %cf::MAP;	1316	for grep $_->outdoor, values %cf::MAP;
1177	}	1317	}
1178		1318
		1319	sub unlink_save {
		1320	my ($self) = @_;
		1321
		1322	utf8::encode (my $save = $self->save_path);
		1323	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1324	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1325	}
		1326
1179	sub try_load_header($) {	1327	sub load_header_from($) {
1180	my ($path) = @_;	1328	my ($self, $path) = @_;
1181		1329
1182	utf8::encode $path;	1330	utf8::encode $path;
1183	aio_open $path, O_RDONLY, 0	1331	#aio_open $path, O_RDONLY, 0
		1332	# or return;
		1333
		1334	$self->_load_header ($path)
1184	or return;	1335	or return;
1185		1336
1186	my $map = cf::map::new	1337	$self->{load_path} = $path;
		1338
		1339	1
		1340	}
		1341
		1342	sub load_header_orig {
		1343	my ($self) = @_;
		1344
		1345	$self->load_header_from ($self->load_path)
		1346	}
		1347
		1348	sub load_header_temp {
		1349	my ($self) = @_;
		1350
		1351	$self->load_header_from ($self->save_path)
		1352	}
		1353
		1354	sub prepare_temp {
		1355	my ($self) = @_;
		1356
		1357	$self->last_access ((delete $self->{last_access})
		1358	|| $cf::RUNTIME); #d#
		1359	# safety
		1360	$self->{instantiate_time} = $cf::RUNTIME
		1361	if $self->{instantiate_time} > $cf::RUNTIME;
		1362	}
		1363
		1364	sub prepare_orig {
		1365	my ($self) = @_;
		1366
		1367	$self->{load_original} = 1;
		1368	$self->{instantiate_time} = $cf::RUNTIME;
		1369	$self->last_access ($cf::RUNTIME);
		1370	$self->instantiate;
		1371	}
		1372
		1373	sub load_header {
		1374	my ($self) = @_;
		1375
		1376	if ($self->load_header_temp) {
		1377	$self->prepare_temp;
		1378	} else {
		1379	$self->load_header_orig
1187	or return;	1380	or return;
		1381	$self->prepare_orig;
		1382	}
1188		1383
1189	$map->load_header ($path)	1384	1
1190	or return;
1191
1192	$map->{load_path} = $path;
1193
1194	$map
1195	}	1385	}
1196		1386
1197	sub find;	1387	sub find;
1198	sub find {	1388	sub find {
1199	my ($path, $origin) = @_;	1389	my ($path, $origin) = @_;
1200		1390
1201	#warn "find<$path,$origin>\n";#d#
1202
1203	$path = new cf::path $path, $origin && $origin->path;	1391	$path = normalise $path, $origin && $origin->path;
1204	my $key = $path->as_string;
1205		1392
1206	cf::lock_wait "map_find:$key";	1393	cf::lock_wait "map_find:$path";
1207		1394
1208	$cf::MAP{$key} || do {	1395	$cf::MAP{$path} || do {
1209	my $guard = cf::lock_acquire "map_find:$key";	1396	my $guard = cf::lock_acquire "map_find:$path";
1210		1397	my $map = new_from_path cf::map $path
1211	# do it the slow way
1212	my $map = try_load_header $path->save_path;
1213
1214	if ($map) {
1215	$map->last_access ((delete $map->{last_access})
1216	|| $cf::RUNTIME); #d#
1217	# safety
1218	$map->{instantiate_time} = $cf::RUNTIME
1219	if $map->{instantiate_time} > $cf::RUNTIME;
1220	} else {
1221	if (my $rmp = $path->random_map_params) {
1222	$map = generate_random_map $key, $rmp;
1223	} else {
1224	$map = try_load_header $path->load_path;
1225	}
1226
1227	$map or return;	1398	or return;
1228		1399
1229	$map->{load_original} = 1;
1230	$map->{instantiate_time} = $cf::RUNTIME;
1231	$map->last_access ($cf::RUNTIME);
1232	$map->instantiate;
1233
1234	# per-player maps become, after loading, normal maps
1235	$map->per_player (0) if $path->{user_rel};
1236	}
1237
1238	$map->path ($key);
1239	$map->{path} = $path;
1240	$map->{last_save} = $cf::RUNTIME;	1400	$map->{last_save} = $cf::RUNTIME;
1241		1401
1242	if ($map->should_reset) {	1402	$map->load_header
		1403	or return;
		1404
		1405	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1406	# doing this can freeze the server in a sync job, obviously
		1407	#$cf::WAIT_FOR_TICK->wait;
1243	$map->reset;	1408	$map->reset;
1244	undef $guard;	1409	undef $guard;
1245	$map = find $path	1410	return find $path;
1246	or return;
1247	}	1411	}
1248		1412
1249	$cf::MAP{$key} = $map	1413	$cf::MAP{$path} = $map
1250	}	1414	}
1251	}	1415	}
		1416
		1417	sub pre_load { }
		1418	sub post_load { }
1252		1419
1253	sub load {	1420	sub load {
1254	my ($self) = @_;	1421	my ($self) = @_;
1255		1422
		1423	local $self->{deny_reset} = 1; # loading can take a long time
		1424
1256	my $path = $self->{path};	1425	my $path = $self->{path};
1257	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1426	my $guard = cf::lock_acquire "map_load:$path";
1258		1427
1259	return if $self->in_memory != cf::MAP_SWAPPED;	1428	return if $self->in_memory != cf::MAP_SWAPPED;
1260		1429
1261	$self->in_memory (cf::MAP_LOADING);	1430	$self->in_memory (cf::MAP_LOADING);
1262		1431
1263	$self->alloc;	1432	$self->alloc;
		1433
		1434	$self->pre_load;
		1435
1264	$self->load_objects ($self->{load_path}, 1)	1436	$self->_load_objects ($self->{load_path}, 1)
1265	or return;	1437	or return;
1266		1438
1267	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1439	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1268	if delete $self->{load_original};	1440	if delete $self->{load_original};
1269		1441
1270	if (my $uniq = $path->uniq_path) {	1442	if (my $uniq = $self->uniq_path) {
1271	utf8::encode $uniq;	1443	utf8::encode $uniq;
1272	if (aio_open $uniq, O_RDONLY, 0) {	1444	if (aio_open $uniq, O_RDONLY, 0) {
1273	$self->clear_unique_items;	1445	$self->clear_unique_items;
1274	$self->load_objects ($uniq, 0);	1446	$self->_load_objects ($uniq, 0);
1275	}	1447	}
1276	}	1448	}
		1449
		1450	Coro::cede;
1277		1451
1278	# now do the right thing for maps	1452	# now do the right thing for maps
1279	$self->link_multipart_objects;	1453	$self->link_multipart_objects;
1280		1454
1281	if ($self->{path}->is_style_map) {	1455	unless ($self->{deny_activate}) {
1282	$self->{deny_save} = 1;	1456	$self->decay_objects;
1283	$self->{deny_reset} = 1;
1284	} else {
1285	$self->fix_auto_apply;	1457	$self->fix_auto_apply;
1286	$self->decay_objects;
1287	$self->update_buttons;	1458	$self->update_buttons;
		1459	Coro::cede;
1288	$self->set_darkness_map;	1460	$self->set_darkness_map;
1289	$self->difficulty ($self->estimate_difficulty)	1461	$self->difficulty ($self->estimate_difficulty)
1290	unless $self->difficulty;	1462	unless $self->difficulty;
		1463	Coro::cede;
1291	$self->activate;	1464	$self->activate;
1292	}	1465	}
1293		1466
		1467	$self->post_load;
		1468
1294	$self->in_memory (cf::MAP_IN_MEMORY);	1469	$self->in_memory (cf::MAP_IN_MEMORY);
		1470	}
		1471
		1472	sub customise_for {
		1473	my ($self, $ob) = @_;
		1474
		1475	return find "~" . $ob->name . "/" . $self->{path}
		1476	if $self->per_player;
		1477
		1478	$self
		1479	}
		1480
		1481	# find and load all maps in the 3x3 area around a map
		1482	sub load_diag {
		1483	my ($map) = @_;
		1484
		1485	my @diag; # diagonal neighbours
		1486
		1487	for (0 .. 3) {
		1488	my $neigh = $map->tile_path ($_)
		1489	or next;
		1490	$neigh = find $neigh, $map
		1491	or next;
		1492	$neigh->load;
		1493
		1494	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1495	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1496	}
		1497
		1498	for (@diag) {
		1499	my $neigh = find @$_
		1500	or next;
		1501	$neigh->load;
		1502	}
1295	}	1503	}
1296		1504
1297	sub find_sync {	1505	sub find_sync {
1298	my ($path, $origin) = @_;	1506	my ($path, $origin) = @_;
1299		1507
1300	cf::sync_job { cf::map::find $path, $origin }	1508	cf::sync_job { find $path, $origin }
1301	}	1509	}
1302		1510
1303	sub do_load_sync {	1511	sub do_load_sync {
1304	my ($map) = @_;	1512	my ($map) = @_;
1305		1513
1306	cf::sync_job { $map->load };	1514	cf::sync_job { $map->load };
1307	}	1515	}
1308		1516
		1517	our %MAP_PREFETCH;
		1518	our $MAP_PREFETCHER = undef;
		1519
		1520	sub find_async {
		1521	my ($path, $origin) = @_;
		1522
		1523	$path = normalise $path, $origin && $origin->{path};
		1524
		1525	if (my $map = $cf::MAP{$path}) {
		1526	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1527	}
		1528
		1529	undef $MAP_PREFETCH{$path};
		1530	$MAP_PREFETCHER ||= cf::async {
		1531	while (%MAP_PREFETCH) {
		1532	for my $path (keys %MAP_PREFETCH) {
		1533	my $map = find $path
		1534	or next;
		1535	$map->load;
		1536
		1537	delete $MAP_PREFETCH{$path};
		1538	}
		1539	}
		1540	undef $MAP_PREFETCHER;
		1541	};
		1542	$MAP_PREFETCHER->prio (6);
		1543
		1544	()
		1545	}
		1546
1309	sub save {	1547	sub save {
1310	my ($self) = @_;	1548	my ($self) = @_;
1311		1549
		1550	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1551
1312	$self->{last_save} = $cf::RUNTIME;	1552	$self->{last_save} = $cf::RUNTIME;
1313		1553
1314	return unless $self->dirty;	1554	return unless $self->dirty;
1315		1555
1316	my $save = $self->{path}->save_path; utf8::encode $save;	1556	my $save = $self->save_path; utf8::encode $save;
1317	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1557	my $uniq = $self->uniq_path; utf8::encode $uniq;
1318		1558
1319	$self->{load_path} = $save;	1559	$self->{load_path} = $save;
1320		1560
1321	return if $self->{deny_save};	1561	return if $self->{deny_save};
1322		1562
1323	local $self->{last_access} = $self->last_access;#d#	1563	local $self->{last_access} = $self->last_access;#d#
1324		1564
		1565	cf::async {
		1566	$_->contr->save for $self->players;
		1567	};
		1568
1325	if ($uniq) {	1569	if ($uniq) {
1326	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1570	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1327	$self->save_objects ($uniq, cf::IO_UNIQUES);	1571	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1328	} else {	1572	} else {
1329	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1330	}	1574	}
1331	}	1575	}
1332		1576
1333	sub swap_out {	1577	sub swap_out {
1334	my ($self) = @_;	1578	my ($self) = @_;
1335		1579
1336	# save first because save cedes	1580	# save first because save cedes
1337	$self->save;	1581	$self->save;
		1582
		1583	my $lock = cf::lock_acquire "map_data:" . $self->path;
1338		1584
1339	return if $self->players;	1585	return if $self->players;
1340	return if $self->in_memory != cf::MAP_IN_MEMORY;	1586	return if $self->in_memory != cf::MAP_IN_MEMORY;
1341	return if $self->{deny_save};	1587	return if $self->{deny_save};
1342		1588
…		…
1346		1592
1347	sub reset_at {	1593	sub reset_at {
1348	my ($self) = @_;	1594	my ($self) = @_;
1349		1595
1350	# TODO: safety, remove and allow resettable per-player maps	1596	# TODO: safety, remove and allow resettable per-player maps
1351	return 1e99 if $self->{path}{user_rel};	1597	return 1e99 if $self->isa ("ext::map_per_player");#d#
1352	return 1e99 if $self->{deny_reset};	1598	return 1e99 if $self->{deny_reset};
1353		1599
1354	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1600	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1355	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1601	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1356		1602
…		…
1361	my ($self) = @_;	1607	my ($self) = @_;
1362		1608
1363	$self->reset_at <= $cf::RUNTIME	1609	$self->reset_at <= $cf::RUNTIME
1364	}	1610	}
1365		1611
1366	sub unlink_save {
1367	my ($self) = @_;
1368
1369	utf8::encode (my $save = $self->{path}->save_path);
1370	aioreq_pri 3; IO::AIO::aio_unlink $save;
1371	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1372	}
1373
1374	sub rename {
1375	my ($self, $new_path) = @_;
1376
1377	$self->unlink_save;
1378
1379	delete $cf::MAP{$self->path};
1380	$self->{path} = new cf::path $new_path;
1381	$self->path ($self->{path}->as_string);
1382	$cf::MAP{$self->path} = $self;
1383
1384	$self->save;
1385	}
1386
1387	sub reset {	1612	sub reset {
1388	my ($self) = @_;	1613	my ($self) = @_;
1389		1614
		1615	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1616
1390	return if $self->players;	1617	return if $self->players;
1391	return if $self->{path}{user_rel};#d#	1618	return if $self->isa ("ext::map_per_player");#d#
1392		1619
1393	warn "resetting map ", $self->path;#d#	1620	warn "resetting map ", $self->path;#d#
1394		1621
		1622	$self->in_memory (cf::MAP_SWAPPED);
		1623
		1624	# need to save uniques path
		1625	unless ($self->{deny_save}) {
		1626	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1627
		1628	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1629	if $uniq;
		1630	}
		1631
1395	delete $cf::MAP{$self->path};	1632	delete $cf::MAP{$self->path};
		1633
		1634	$self->clear;
1396		1635
1397	$_->clear_links_to ($self) for values %cf::MAP;	1636	$_->clear_links_to ($self) for values %cf::MAP;
1398		1637
1399	$self->unlink_save;	1638	$self->unlink_save;
1400	$self->destroy;	1639	$self->destroy;
…		…
1403	my $nuke_counter = "aaaa";	1642	my $nuke_counter = "aaaa";
1404		1643
1405	sub nuke {	1644	sub nuke {
1406	my ($self) = @_;	1645	my ($self) = @_;
1407		1646
		1647	delete $cf::MAP{$self->path};
		1648
		1649	$self->unlink_save;
		1650
		1651	bless $self, "cf::map";
		1652	delete $self->{deny_reset};
1408	$self->{deny_save} = 1;	1653	$self->{deny_save} = 1;
1409	$self->reset_timeout (1);	1654	$self->reset_timeout (1);
1410	$self->rename ("{nuke}/" . ($nuke_counter++));	1655	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1656
		1657	$cf::MAP{$self->path} = $self;
		1658
1411	$self->reset; # polite request, might not happen	1659	$self->reset; # polite request, might not happen
1412	}	1660	}
1413		1661
1414	sub customise_for {	1662	=item cf::map::unique_maps
1415	my ($map, $ob) = @_;
1416		1663
1417	if ($map->per_player) {	1664	Returns an arrayref of paths of all shared maps that have
1418	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1665	instantiated unique items. May block.
1419	}
1420		1666
1421	$map	1667	=cut
1422	}
1423		1668
1424	sub emergency_save {	1669	sub unique_maps() {
1425	my $freeze_guard = cf::freeze_mainloop;	1670	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1671	or return;
1426		1672
1427	warn "enter emergency map save\n";	1673	my @paths;
1428		1674
1429	cf::sync_job {	1675	for (@$files) {
1430	warn "begin emergency map save\n";	1676	utf8::decode $_;
1431	$_->save for values %cf::MAP;	1677	next if /\.pst$/;
		1678	next unless /^$PATH_SEP/o;
		1679
		1680	push @paths, cf::map::normalise $_;
1432	};	1681	}
1433		1682
1434	warn "end emergency map save\n";	1683	\@paths
1435	}	1684	}
1436		1685
1437	package cf;	1686	package cf;
1438		1687
1439	=back	1688	=back
1440		1689
		1690	=head3 cf::object
		1691
		1692	=cut
		1693
		1694	package cf::object;
		1695
		1696	=over 4
		1697
		1698	=item $ob->inv_recursive
		1699
		1700	Returns the inventory of the object _and_ their inventories, recursively.
		1701
		1702	=cut
		1703
		1704	sub inv_recursive_;
		1705	sub inv_recursive_ {
		1706	map { $_, inv_recursive_ $_->inv } @_
		1707	}
		1708
		1709	sub inv_recursive {
		1710	inv_recursive_ inv $_[0]
		1711	}
		1712
		1713	package cf;
		1714
		1715	=back
1441		1716
1442	=head3 cf::object::player	1717	=head3 cf::object::player
1443		1718
1444	=over 4	1719	=over 4
1445		1720
…		…
1485		1760
1486	=item $player_object->enter_link	1761	=item $player_object->enter_link
1487		1762
1488	Freezes the player and moves him/her to a special map (C<{link}>).	1763	Freezes the player and moves him/her to a special map (C<{link}>).
1489		1764
1490	The player should be reaosnably safe there for short amounts of time. You	1765	The player should be reasonably safe there for short amounts of time. You
1491	I<MUST> call C<leave_link> as soon as possible, though.	1766	I<MUST> call C<leave_link> as soon as possible, though.
1492		1767
		1768	Will never block.
		1769
1493	=item $player_object->leave_link ($map, $x, $y)	1770	=item $player_object->leave_link ($map, $x, $y)
1494		1771
1495	Moves the player out of the specila link map onto the given map. If the	1772	Moves the player out of the special C<{link}> map onto the specified
1496	map is not valid (or omitted), the player will be moved back to the	1773	map. If the map is not valid (or omitted), the player will be moved back
1497	location he/she was before the call to C<enter_link>, or, if that fails,	1774	to the location he/she was before the call to C<enter_link>, or, if that
1498	to the emergency map position.	1775	fails, to the emergency map position.
1499		1776
1500	Might block.	1777	Might block.
1501		1778
1502	=cut	1779	=cut
		1780
		1781	sub link_map {
		1782	unless ($LINK_MAP) {
		1783	$LINK_MAP = cf::map::find "{link}"
		1784	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1785	$LINK_MAP->load;
		1786	}
		1787
		1788	$LINK_MAP
		1789	}
1503		1790
1504	sub cf::object::player::enter_link {	1791	sub cf::object::player::enter_link {
1505	my ($self) = @_;	1792	my ($self) = @_;
1506		1793
1507	$self->deactivate_recursive;	1794	$self->deactivate_recursive;
1508		1795
1509	return if $self->map == $LINK_MAP;	1796	return if UNIVERSAL::isa $self->map, "ext::map_link";
1510		1797
1511	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1798	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1512	if $self->map;	1799	if $self->map;
1513		1800
1514	$self->enter_map ($LINK_MAP, 20, 20);	1801	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1515	}	1802	}
1516		1803
1517	sub cf::object::player::leave_link {	1804	sub cf::object::player::leave_link {
1518	my ($self, $map, $x, $y) = @_;	1805	my ($self, $map, $x, $y) = @_;
1519		1806
…		…
1537	# use -1 or undef as default coordinates, not 0, 0	1824	# use -1 or undef as default coordinates, not 0, 0
1538	($x, $y) = ($map->enter_x, $map->enter_y)	1825	($x, $y) = ($map->enter_x, $map->enter_y)
1539	if $x <=0 && $y <= 0;	1826	if $x <=0 && $y <= 0;
1540		1827
1541	$map->load;	1828	$map->load;
		1829	$map->load_diag;
1542		1830
		1831	return unless $self->contr->active;
1543	$self->activate_recursive;	1832	$self->activate_recursive;
		1833
		1834	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1544	$self->enter_map ($map, $x, $y);	1835	$self->enter_map ($map, $x, $y);
1545	}	1836	}
1546		1837
1547	cf::player->attach (	1838	cf::player->attach (
1548	on_logout => sub {	1839	on_logout => sub {
…		…
1560		1851
1561	# try to abort aborted map switching on player login :)	1852	# try to abort aborted map switching on player login :)
1562	# should happen only on crashes	1853	# should happen only on crashes
1563	if ($pl->ob->{_link_pos}) {	1854	if ($pl->ob->{_link_pos}) {
1564	$pl->ob->enter_link;	1855	$pl->ob->enter_link;
1565	cf::async {	1856	(async {
		1857	$pl->ob->reply (undef,
		1858	"There was an internal problem at your last logout, "
		1859	. "the server will try to bring you to your intended destination in a second.",
		1860	cf::NDI_RED);
1566	# we need this sleep as the login has a concurrent enter_exit running	1861	# we need this sleep as the login has a concurrent enter_exit running
1567	# and this sleep increases chances of the player not ending up in scorn	1862	# and this sleep increases chances of the player not ending up in scorn
1568	Coro::Timer::sleep 1;	1863	Coro::Timer::sleep 1;
1569	$pl->ob->leave_link;	1864	$pl->ob->leave_link;
1570	};	1865	})->prio (2);
1571	}	1866	}
1572	},	1867	},
1573	);	1868	);
1574		1869
1575	=item $player_object->goto_map ($path, $x, $y)	1870	=item $player_object->goto ($path, $x, $y)
1576		1871
1577	=cut	1872	=cut
1578		1873
1579	sub cf::object::player::goto_map {	1874	sub cf::object::player::goto {
1580	my ($self, $path, $x, $y) = @_;	1875	my ($self, $path, $x, $y) = @_;
1581		1876
1582	$self->enter_link;	1877	$self->enter_link;
1583		1878
1584	(cf::async {	1879	(async {
1585	$path = new cf::path $path;	1880	my $map = eval {
1586
1587	my $map = cf::map::find $path->as_string;	1881	my $map = cf::map::find $path;
1588	$map = $map->customise_for ($self) if $map;	1882	$map = $map->customise_for ($self) if $map;
1589		1883	$map
1590	# warn "entering ", $map->path, " at ($x, $y)\n"	1884	} or
1591	# if $map;
1592
1593	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1885	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1594		1886
1595	$self->leave_link ($map, $x, $y);	1887	$self->leave_link ($map, $x, $y);
1596	})->prio (1);	1888	})->prio (1);
1597	}	1889	}
1598		1890
…		…
1602		1894
1603	sub parse_random_map_params {	1895	sub parse_random_map_params {
1604	my ($spec) = @_;	1896	my ($spec) = @_;
1605		1897
1606	my $rmp = { # defaults	1898	my $rmp = { # defaults
1607	xsize => 10,	1899	xsize => (cf::rndm 15, 40),
1608	ysize => 10,	1900	ysize => (cf::rndm 15, 40),
		1901	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1902	#layout => string,
1609	};	1903	};
1610		1904
1611	for (split /\n/, $spec) {	1905	for (split /\n/, $spec) {
1612	my ($k, $v) = split /\s+/, $_, 2;	1906	my ($k, $v) = split /\s+/, $_, 2;
1613		1907
…		…
1617	$rmp	1911	$rmp
1618	}	1912	}
1619		1913
1620	sub prepare_random_map {	1914	sub prepare_random_map {
1621	my ($exit) = @_;	1915	my ($exit) = @_;
		1916
		1917	my $guard = cf::lock_acquire "exit_prepare:$exit";
1622		1918
1623	# all this does is basically replace the /! path by	1919	# all this does is basically replace the /! path by
1624	# a new random map path (?random/...) with a seed	1920	# a new random map path (?random/...) with a seed
1625	# that depends on the exit object	1921	# that depends on the exit object
1626		1922
1627	my $rmp = parse_random_map_params $exit->msg;	1923	my $rmp = parse_random_map_params $exit->msg;
1628		1924
1629	if ($exit->map) {	1925	if ($exit->map) {
1630	$rmp->{region} = $exit->map->region_name;	1926	$rmp->{region} = $exit->region->name;
1631	$rmp->{origin_map} = $exit->map->path;	1927	$rmp->{origin_map} = $exit->map->path;
1632	$rmp->{origin_x} = $exit->x;	1928	$rmp->{origin_x} = $exit->x;
1633	$rmp->{origin_y} = $exit->y;	1929	$rmp->{origin_y} = $exit->y;
1634	}	1930	}
1635		1931
1636	$rmp->{random_seed} ||= $exit->random_seed;	1932	$rmp->{random_seed} ||= $exit->random_seed;
1637		1933
1638	my $data = cf::to_json $rmp;	1934	my $data = cf::to_json $rmp;
1639	my $md5 = Digest::MD5::md5_hex $data;	1935	my $md5 = Digest::MD5::md5_hex $data;
		1936	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1640		1937
1641	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1938	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1642	aio_write $fh, 0, (length $data), $data, 0;	1939	aio_write $fh, 0, (length $data), $data, 0;
		1940	undef $fh;
		1941	aio_rename "$meta~", $meta;
1643		1942
1644	$exit->slaying ("?random/$md5");	1943	$exit->slaying ("?random/$md5");
1645	$exit->msg (undef);	1944	$exit->msg (undef);
1646	}	1945	}
1647	}	1946	}
…		…
1649	sub cf::object::player::enter_exit {	1948	sub cf::object::player::enter_exit {
1650	my ($self, $exit) = @_;	1949	my ($self, $exit) = @_;
1651		1950
1652	return unless $self->type == cf::PLAYER;	1951	return unless $self->type == cf::PLAYER;
1653		1952
		1953	if ($exit->slaying eq "/!") {
		1954	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1955	cf::sync_job { prepare_random_map $exit };
		1956	}
		1957
		1958	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1959	my $hp = $exit->stats->hp;
		1960	my $sp = $exit->stats->sp;
		1961
1654	$self->enter_link;	1962	$self->enter_link;
1655		1963
1656	(cf::async {	1964	(async {
1657	$self->deactivate_recursive; # just to be sure	1965	$self->deactivate_recursive; # just to be sure
1658	unless (eval {	1966	unless (eval {
1659	prepare_random_map $exit	1967	$self->goto ($slaying, $hp, $sp);
1660	if $exit->slaying eq "/!";
1661
1662	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1663	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1664		1968
1665	1;	1969	1;
1666	}) {	1970	}) {
1667	$self->message ("Something went wrong deep within the crossfire server. "	1971	$self->message ("Something went wrong deep within the crossfire server. "
1668	. "I'll try to bring you back to the map you were before. "	1972	. "I'll try to bring you back to the map you were before. "
1669	. "Please report this to the dungeon master",	1973	. "Please report this to the dungeon master!",
1670	cf::NDI_UNIQUE | cf::NDI_RED);	1974	cf::NDI_UNIQUE | cf::NDI_RED);
1671		1975
1672	warn "ERROR in enter_exit: $@";	1976	warn "ERROR in enter_exit: $@";
1673	$self->leave_link;	1977	$self->leave_link;
1674	}	1978	}
…		…
1729	# get handled first	2033	# get handled first
1730	my $queue = delete $ns->{query_queue}	2034	my $queue = delete $ns->{query_queue}
1731	or return; # be conservative, not sure how that can happen, but we saw a crash here	2035	or return; # be conservative, not sure how that can happen, but we saw a crash here
1732		2036
1733	(shift @$queue)->[1]->($msg);	2037	(shift @$queue)->[1]->($msg);
		2038	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1734		2039
1735	push @{ $ns->{query_queue} }, @$queue;	2040	push @{ $ns->{query_queue} }, @$queue;
1736		2041
1737	if (@{ $ns->{query_queue} } == @$queue) {	2042	if (@{ $ns->{query_queue} } == @$queue) {
1738	if (@$queue) {	2043	if (@$queue) {
…		…
1742	}	2047	}
1743	}	2048	}
1744	},	2049	},
1745	);	2050	);
1746		2051
1747	=item $client->coro (\&cb)	2052	=item $client->async (\&cb)
1748		2053
1749	Create a new coroutine, running the specified callback. The coroutine will	2054	Create a new coroutine, running the specified callback. The coroutine will
1750	be automatically cancelled when the client gets destroyed (e.g. on logout,	2055	be automatically cancelled when the client gets destroyed (e.g. on logout,
1751	or loss of connection).	2056	or loss of connection).
1752		2057
1753	=cut	2058	=cut
1754		2059
1755	sub cf::client::coro {	2060	sub cf::client::async {
1756	my ($self, $cb) = @_;	2061	my ($self, $cb) = @_;
1757		2062
1758	my $coro = &cf::async ($cb);	2063	my $coro = &Coro::async ($cb);
1759		2064
1760	$coro->on_destroy (sub {	2065	$coro->on_destroy (sub {
1761	delete $self->{_coro}{$coro+0};	2066	delete $self->{_coro}{$coro+0};
1762	});	2067	});
1763		2068
…		…
1899	The parameter C<$family> should best start with the name of the extension	2204	The parameter C<$family> should best start with the name of the extension
1900	using it, it should be unique.	2205	using it, it should be unique.
1901		2206
1902	=over 4	2207	=over 4
1903		2208
1904	=item $hashref = cf::db_get $family
1905
1906	Return a hashref for use by the extension C<$family>, which can be
1907	modified. After modifications, you have to call C<cf::db_dirty> or
1908	C<cf::db_sync>.
1909
1910	=item $value = cf::db_get $family => $key	2209	=item $value = cf::db_get $family => $key
1911		2210
1912	Returns a single value from the database	2211	Returns a single value from the database.
1913
1914	=item cf::db_put $family => $hashref
1915
1916	Stores the given family hashref into the database. Updates are delayed, if
1917	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1918		2212
1919	=item cf::db_put $family => $key => $value	2213	=item cf::db_put $family => $key => $value
1920		2214
1921	Stores the given C<$value> in the family hash. Updates are delayed, if you	2215	Stores the given C<$value> in the family.
1922	want the data to be synced to disk immediately, use C<cf::db_sync>.
1923
1924	=item cf::db_dirty
1925
1926	Marks the database as dirty, to be updated at a later time.
1927
1928	=item cf::db_sync
1929
1930	Immediately write the database to disk I<if it is dirty>.
1931		2216
1932	=cut	2217	=cut
1933		2218
1934	our $DB;	2219	our $DB;
1935		2220
1936	{	2221	sub db_init {
		2222	unless ($DB) {
		2223	$DB = BDB::db_create $DB_ENV;
		2224
		2225	cf::sync_job {
		2226	eval {
		2227	$DB->set_flags (BDB::CHKSUM);
		2228
		2229	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2230	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2231	cf::cleanup "db_open(db): $!" if $!;
		2232	};
		2233	cf::cleanup "db_open(db): $@" if $@;
		2234	};
		2235
1937	my $path = cf::localdir . "/database.pst";	2236	my $path = cf::localdir . "/database.pst";
		2237	if (stat $path) {
		2238	cf::sync_job {
		2239	my $pst = Storable::retrieve $path;
1938		2240
1939	sub db_load() {	2241	cf::db_put (board => data => $pst->{board});
1940	$DB = stat $path ? Storable::retrieve $path : { };	2242	cf::db_put (guildrules => data => $pst->{guildrules});
1941	}	2243	cf::db_put (rent => balance => $pst->{rent}{balance});
		2244	BDB::db_env_txn_checkpoint $DB_ENV;
1942		2245
1943	my $pid;	2246	unlink $path;
1944
1945	sub db_save() {
1946	waitpid $pid, 0 if $pid;
1947	if (0 == ($pid = fork)) {
1948	$DB->{_meta}{version} = 1;
1949	Storable::nstore $DB, "$path~";
1950	rename "$path~", $path;
1951	cf::_exit 0 if defined $pid;
1952	}	2247	};
1953	}
1954
1955	my $dirty;
1956
1957	sub db_sync() {
1958	db_save if $dirty;
1959	undef $dirty;
1960	}
1961
1962	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1963	db_sync;
1964	});
1965
1966	sub db_dirty() {
1967	$dirty = 1;
1968	$idle->start;
1969	}
1970
1971	sub db_get($;$) {
1972	@_ >= 2
1973	? $DB->{$_[0]}{$_[1]}
1974	: ($DB->{$_[0]} ||= { })
1975	}
1976
1977	sub db_put($$;$) {
1978	if (@_ >= 3) {
1979	$DB->{$_[0]}{$_[1]} = $_[2];
1980	} else {
1981	$DB->{$_[0]} = $_[1];
1982	}
1983	db_dirty;
1984	}
1985
1986	cf::global->attach (
1987	prio => 10000,
1988	on_cleanup => sub {
1989	db_sync;
1990	},	2248	}
1991	);	2249	}
		2250	}
		2251
		2252	sub db_get($$) {
		2253	my $key = "$_[0]/$_[1]";
		2254
		2255	cf::sync_job {
		2256	BDB::db_get $DB, undef, $key, my $data;
		2257
		2258	$! ? ()
		2259	: Compress::LZF::sthaw $data
		2260	}
		2261	}
		2262
		2263	sub db_put($$$) {
		2264	BDB::dbreq_pri 4;
		2265	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1992	}	2266	}
1993		2267
1994	#############################################################################	2268	#############################################################################
1995	# the server's main()	2269	# the server's init and main functions
		2270
		2271	sub init_resources {
		2272	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2273	or die "unable to load regions file\n";#d#
		2274	}
1996		2275
1997	sub cfg_load {	2276	sub cfg_load {
1998	open my $fh, "<:utf8", cf::confdir . "/config"	2277	open my $fh, "<:utf8", cf::confdir . "/config"
1999	or return;	2278	or return;
2000		2279
2001	local $/;	2280	local $/;
2002	*CFG = YAML::Syck::Load <$fh>;	2281	*CFG = YAML::Syck::Load <$fh>;
2003		2282
2004	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2283	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2005		2284
		2285	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2286	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2287
2006	if (exists $CFG{mlockall}) {	2288	if (exists $CFG{mlockall}) {
2007	eval {	2289	eval {
2008	$CFG{mlockall} ? &mlockall : &munlockall	2290	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2009	and die "WARNING: m(un)lockall failed: $!\n";	2291	and die "WARNING: m(un)lockall failed: $!\n";
2010	};	2292	};
2011	warn $@ if $@;	2293	warn $@ if $@;
2012	}	2294	}
		2295	}
		2296
		2297	sub init {
		2298	init_resources;
2013	}	2299	}
2014		2300
2015	sub main {	2301	sub main {
2016	# we must not ever block the main coroutine	2302	# we must not ever block the main coroutine
2017	local $Coro::idle = sub {	2303	local $Coro::idle = sub {
2018	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2304	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2019	(Coro::unblock_sub {	2305	(async {
2020	Event::one_event;	2306	Event::one_event;
2021	})->();	2307	})->prio (Coro::PRIO_MAX);
2022	};	2308	};
2023		2309
2024	cfg_load;	2310	cfg_load;
2025	db_load;	2311	db_init;
2026	load_extensions;	2312	load_extensions;
		2313
		2314	$TICK_WATCHER->start;
2027	Event::loop;	2315	Event::loop;
2028	}	2316	}
2029		2317
2030	#############################################################################	2318	#############################################################################
2031	# initialisation	2319	# initialisation and cleanup
		2320
		2321	# install some emergency cleanup handlers
		2322	BEGIN {
		2323	for my $signal (qw(INT HUP TERM)) {
		2324	Event->signal (
		2325	reentrant => 0,
		2326	data => WF_AUTOCANCEL,
		2327	signal => $signal,
		2328	prio => 0,
		2329	cb => sub {
		2330	cf::cleanup "SIG$signal";
		2331	},
		2332	);
		2333	}
		2334	}
		2335
		2336	sub emergency_save() {
		2337	my $freeze_guard = cf::freeze_mainloop;
		2338
		2339	warn "enter emergency perl save\n";
		2340
		2341	cf::sync_job {
		2342	# use a peculiar iteration method to avoid tripping on perl
		2343	# refcount bugs in for. also avoids problems with players
		2344	# and maps saved/destroyed asynchronously.
		2345	warn "begin emergency player save\n";
		2346	for my $login (keys %cf::PLAYER) {
		2347	my $pl = $cf::PLAYER{$login} or next;
		2348	$pl->valid or next;
		2349	$pl->save;
		2350	}
		2351	warn "end emergency player save\n";
		2352
		2353	warn "begin emergency map save\n";
		2354	for my $path (keys %cf::MAP) {
		2355	my $map = $cf::MAP{$path} or next;
		2356	$map->valid or next;
		2357	$map->save;
		2358	}
		2359	warn "end emergency map save\n";
		2360
		2361	warn "begin emergency database checkpoint\n";
		2362	BDB::db_env_txn_checkpoint $DB_ENV;
		2363	warn "end emergency database checkpoint\n";
		2364	};
		2365
		2366	warn "leave emergency perl save\n";
		2367	}
		2368
		2369	sub post_cleanup {
		2370	my ($make_core) = @_;
		2371
		2372	warn Carp::longmess "post_cleanup backtrace"
		2373	if $make_core;
		2374	}
2032		2375
2033	sub reload() {	2376	sub reload() {
2034	# can/must only be called in main	2377	# can/must only be called in main
2035	if ($Coro::current != $Coro::main) {	2378	if ($Coro::current != $Coro::main) {
2036	warn "can only reload from main coroutine\n";	2379	warn "can only reload from main coroutine";
2037	return;	2380	return;
2038	}	2381	}
2039		2382
2040	warn "reloading...";	2383	warn "reloading...";
2041		2384
2042	my $guard = freeze_mainloop;	2385	warn "entering sync_job";
		2386
		2387	cf::sync_job {
		2388	cf::write_runtime; # external watchdog should not bark
2043	cf::emergency_save;	2389	cf::emergency_save;
		2390	cf::write_runtime; # external watchdog should not bark
2044		2391
2045	eval {	2392	warn "syncing database to disk";
		2393	BDB::db_env_txn_checkpoint $DB_ENV;
		2394
2046	# if anything goes wrong in here, we should simply crash as we already saved	2395	# if anything goes wrong in here, we should simply crash as we already saved
2047		2396
2048	# cancel all watchers	2397	warn "cancelling all WF_AUTOCANCEL watchers";
2049	for (Event::all_watchers) {	2398	for (Event::all_watchers) {
2050	$_->cancel if $_->data & WF_AUTOCANCEL;	2399	$_->cancel if $_->data & WF_AUTOCANCEL;
2051	}	2400	}
2052		2401
		2402	warn "flushing outstanding aio requests";
		2403	for (;;) {
		2404	BDB::flush;
		2405	IO::AIO::flush;
		2406	Coro::cede;
		2407	last unless IO::AIO::nreqs || BDB::nreqs;
		2408	warn "iterate...";
		2409	}
		2410
2053	# cancel all extension coros	2411	warn "cancelling all extension coros";
2054	$_->cancel for values %EXT_CORO;	2412	$_->cancel for values %EXT_CORO;
2055	%EXT_CORO = ();	2413	%EXT_CORO = ();
2056		2414
2057	# unload all extensions	2415	warn "removing commands";
2058	for (@exts) {	2416	%COMMAND = ();
		2417
		2418	warn "removing ext commands";
		2419	%EXTCMD = ();
		2420
		2421	warn "unloading/nuking all extensions";
		2422	for my $pkg (@EXTS) {
2059	warn "unloading <$_>";	2423	warn "... unloading $pkg";
2060	unload_extension $_;	2424
		2425	if (my $cb = $pkg->can ("unload")) {
		2426	eval {
		2427	$cb->($pkg);
		2428	1
		2429	} or warn "$pkg unloaded, but with errors: $@";
2061	}	2430	}
2062		2431
		2432	warn "... nuking $pkg";
		2433	Symbol::delete_package $pkg;
		2434	}
		2435
2063	# unload all modules loaded from $LIBDIR	2436	warn "unloading all perl modules loaded from $LIBDIR";
2064	while (my ($k, $v) = each %INC) {	2437	while (my ($k, $v) = each %INC) {
2065	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2438	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2066		2439
2067	warn "removing <$k>";	2440	warn "... unloading $k";
2068	delete $INC{$k};	2441	delete $INC{$k};
2069		2442
2070	$k =~ s/\.pm$//;	2443	$k =~ s/\.pm$//;
2071	$k =~ s/\//::/g;	2444	$k =~ s/\//::/g;
2072		2445
…		…
2075	}	2448	}
2076		2449
2077	Symbol::delete_package $k;	2450	Symbol::delete_package $k;
2078	}	2451	}
2079		2452
2080	# sync database to disk
2081	cf::db_sync;
2082	IO::AIO::flush;
2083
2084	# get rid of safe::, as good as possible	2453	warn "getting rid of safe::, as good as possible";
2085	Symbol::delete_package "safe::$_"	2454	Symbol::delete_package "safe::$_"
2086	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2455	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2087		2456
2088	# remove register_script_function callbacks
2089	# TODO
2090
2091	# unload cf.pm "a bit"	2457	warn "unloading cf.pm \"a bit\"";
2092	delete $INC{"cf.pm"};	2458	delete $INC{"cf.pm"};
2093		2459
2094	# don't, removes xs symbols, too,	2460	# don't, removes xs symbols, too,
2095	# and global variables created in xs	2461	# and global variables created in xs
2096	#Symbol::delete_package __PACKAGE__;	2462	#Symbol::delete_package __PACKAGE__;
2097		2463
2098	# reload cf.pm	2464	warn "unload completed, starting to reload now";
		2465
2099	warn "reloading cf.pm";	2466	warn "reloading cf.pm";
2100	require cf;	2467	require cf;
2101	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2468	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2102		2469
2103	# load config and database again	2470	warn "loading config and database again";
2104	cf::cfg_load;	2471	cf::cfg_load;
2105	cf::db_load;
2106		2472
2107	# load extensions
2108	warn "load extensions";	2473	warn "loading extensions";
2109	cf::load_extensions;	2474	cf::load_extensions;
2110		2475
2111	# reattach attachments to objects	2476	warn "reattaching attachments to objects/players";
2112	warn "reattach";
2113	_global_reattach;	2477	_global_reattach;
2114	};	2478	warn "reattaching attachments to maps";
		2479	reattach $_ for values %MAP;
2115		2480
2116	if ($@) {	2481	warn "loading reloadable resources";
		2482	init_resources;
		2483
		2484	warn "leaving sync_job";
		2485
		2486	1
		2487	} or do {
2117	warn $@;	2488	warn $@;
2118	warn "error while reloading, exiting.";	2489	warn "error while reloading, exiting.";
2119	exit 1;	2490	exit 1;
2120	}	2491	};
2121		2492
2122	warn "reloaded successfully";	2493	warn "reloaded";
2123	};	2494	};
2124		2495
2125	#############################################################################	2496	our $RELOAD_WATCHER; # used only during reload
2126
2127	unless ($LINK_MAP) {
2128	$LINK_MAP = cf::map::new;
2129
2130	$LINK_MAP->width (41);
2131	$LINK_MAP->height (41);
2132	$LINK_MAP->alloc;
2133	$LINK_MAP->path ("{link}");
2134	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2135	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2136
2137	# dirty hack because... archetypes are not yet loaded
2138	Event->timer (
2139	after => 2,
2140	cb => sub {
2141	$_[0]->w->cancel;
2142
2143	# provide some exits "home"
2144	my $exit = cf::object::new "exit";
2145
2146	$exit->slaying ($EMERGENCY_POSITION->[0]);
2147	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2148	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2149
2150	$LINK_MAP->insert ($exit->clone, 19, 19);
2151	$LINK_MAP->insert ($exit->clone, 19, 20);
2152	$LINK_MAP->insert ($exit->clone, 19, 21);
2153	$LINK_MAP->insert ($exit->clone, 20, 19);
2154	$LINK_MAP->insert ($exit->clone, 20, 21);
2155	$LINK_MAP->insert ($exit->clone, 21, 19);
2156	$LINK_MAP->insert ($exit->clone, 21, 20);
2157	$LINK_MAP->insert ($exit->clone, 21, 21);
2158
2159	$exit->destroy;
2160	});
2161
2162	$LINK_MAP->{deny_save} = 1;
2163	$LINK_MAP->{deny_reset} = 1;
2164
2165	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2166	}
2167
2168	register "<global>", __PACKAGE__;
2169		2497
2170	register_command "reload" => sub {	2498	register_command "reload" => sub {
2171	my ($who, $arg) = @_;	2499	my ($who, $arg) = @_;
2172		2500
2173	if ($who->flag (FLAG_WIZ)) {	2501	if ($who->flag (FLAG_WIZ)) {
2174	$who->message ("start of reload.");	2502	$who->message ("reloading server.");
		2503
		2504	# doing reload synchronously and two reloads happen back-to-back,
		2505	# coro crashes during coro_state_free->destroy here.
		2506
		2507	$RELOAD_WATCHER ||= Event->timer (
		2508	reentrant => 0,
		2509	after => 0,
		2510	data => WF_AUTOCANCEL,
		2511	cb => sub {
2175	reload;	2512	reload;
2176	$who->message ("end of reload.");	2513	undef $RELOAD_WATCHER;
		2514	},
		2515	);
2177	}	2516	}
2178	};	2517	};
2179		2518
2180	unshift @INC, $LIBDIR;	2519	unshift @INC, $LIBDIR;
		2520
		2521	my $bug_warning = 0;
2181		2522
2182	$TICK_WATCHER = Event->timer (	2523	$TICK_WATCHER = Event->timer (
2183	reentrant => 0,	2524	reentrant => 0,
		2525	parked => 1,
2184	prio => 0,	2526	prio => 0,
2185	at => $NEXT_TICK || $TICK,	2527	at => $NEXT_TICK || $TICK,
2186	data => WF_AUTOCANCEL,	2528	data => WF_AUTOCANCEL,
2187	cb => sub {	2529	cb => sub {
		2530	if ($Coro::current != $Coro::main) {
		2531	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2532	unless ++$bug_warning > 10;
		2533	return;
		2534	}
		2535
		2536	$NOW = Event::time;
		2537
2188	cf::server_tick; # one server iteration	2538	cf::server_tick; # one server iteration
2189	$RUNTIME += $TICK;	2539	$RUNTIME += $TICK;
2190	$NEXT_TICK += $TICK;	2540	$NEXT_TICK += $TICK;
		2541
		2542	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2543	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2544	Coro::async_pool {
		2545	write_runtime
		2546	or warn "ERROR: unable to write runtime file: $!";
		2547	};
		2548	}
		2549
		2550	$WAIT_FOR_TICK->broadcast;
		2551	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2552
		2553	# my $AFTER = Event::time;
		2554	# warn $AFTER - $NOW;#d#
2191		2555
2192	# if we are delayed by four ticks or more, skip them all	2556	# if we are delayed by four ticks or more, skip them all
2193	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2557	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2194		2558
2195	$TICK_WATCHER->at ($NEXT_TICK);	2559	$TICK_WATCHER->at ($NEXT_TICK);
2196	$TICK_WATCHER->start;	2560	$TICK_WATCHER->start;
2197	},	2561	},
2198	);	2562	);
2199		2563
		2564	{
2200	IO::AIO::max_poll_time $TICK * 0.2;	2565	BDB::max_poll_time $TICK * 0.1;
2201		2566	$BDB_POLL_WATCHER = Event->io (
2202	Event->io (	2567	reentrant => 0,
2203	fd => IO::AIO::poll_fileno,	2568	fd => BDB::poll_fileno,
2204	poll => 'r',	2569	poll => 'r',
2205	prio => 5,	2570	prio => 0,
2206	data => WF_AUTOCANCEL,
2207	cb => \&IO::AIO::poll_cb,
2208	);
2209
2210	Event->timer (
2211	data => WF_AUTOCANCEL,	2571	data => WF_AUTOCANCEL,
2212	after => 0,	2572	cb => \&BDB::poll_cb,
2213	interval => 10,	2573	);
2214	cb => sub {	2574	BDB::min_parallel 8;
2215	(Coro::unblock_sub {	2575
2216	write_runtime	2576	BDB::set_sync_prepare {
2217	or warn "ERROR: unable to write runtime file: $!";	2577	my $status;
		2578	my $current = $Coro::current;
		2579	(
		2580	sub {
		2581	$status = $!;
		2582	$current->ready; undef $current;
		2583	},
		2584	sub {
		2585	Coro::schedule while defined $current;
		2586	$! = $status;
		2587	},
		2588	)
		2589	};
		2590
		2591	unless ($DB_ENV) {
		2592	$DB_ENV = BDB::db_env_create;
		2593
		2594	cf::sync_job {
		2595	eval {
		2596	BDB::db_env_open
		2597	$DB_ENV,
		2598	$BDB_ENV_DIR,
		2599	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2600	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2601	0666;
		2602
		2603	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2604
		2605	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2606	$DB_ENV->set_lk_detect;
		2607	};
		2608
		2609	cf::cleanup "db_env_open(db): $@" if $@;
2218	})->();	2610	};
2219	},	2611	}
2220	);	2612	}
		2613
		2614	{
		2615	IO::AIO::min_parallel 8;
		2616
		2617	undef $Coro::AIO::WATCHER;
		2618	IO::AIO::max_poll_time $TICK * 0.1;
		2619	$AIO_POLL_WATCHER = Event->io (
		2620	reentrant => 0,
		2621	data => WF_AUTOCANCEL,
		2622	fd => IO::AIO::poll_fileno,
		2623	poll => 'r',
		2624	prio => 6,
		2625	cb => \&IO::AIO::poll_cb,
		2626	);
		2627	}
2221		2628
2222	END { cf::emergency_save }	2629	END { cf::emergency_save }
2223		2630
2224	1	2631	1
2225		2632

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