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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.113 by root, Mon Jan 1 15:32:40 2007 UTC vs.
Revision 1.215 by root, Thu Feb 15 03:19:02 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 $json
165		210
…		…
180		225
181	sub to_json($) {	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	}
		230
		231	=item cf::lock_wait $string
		232
		233	Wait until the given lock is available. See cf::lock_acquire.
		234
		235	=item my $lock = cf::lock_acquire $string
		236
		237	Wait until the given lock is available and then acquires it and returns
		238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		239	for example when the coroutine gets canceled), the lock is automatically
		240	returned.
		241
		242	Lock names should begin with a unique identifier (for example, cf::map::find
		243	uses map_find and cf::map::load uses map_load).
		244
		245	=cut
		246
		247	our %LOCK;
		248
		249	sub lock_wait($) {
		250	my ($key) = @_;
		251
		252	# wait for lock, if any
		253	while ($LOCK{$key}) {
		254	push @{ $LOCK{$key} }, $Coro::current;
		255	Coro::schedule;
		256	}
		257	}
		258
		259	sub lock_acquire($) {
		260	my ($key) = @_;
		261
		262	# wait, to be sure we are not locked
		263	lock_wait $key;
		264
		265	$LOCK{$key} = [];
		266
		267	Coro::guard {
		268	# wake up all waiters, to be on the safe side
		269	$_->ready for @{ delete $LOCK{$key} };
		270	}
		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	$guard
		281	}
		282
		283	=item cf::async { BLOCK }
		284
		285	Currently the same as Coro::async_pool, meaning you cannot use
		286	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		287	thing you are allowed to do is call C<prio> on it.
		288
		289	=cut
		290
		291	BEGIN { *async = \&Coro::async_pool }
185		292
186	=item cf::sync_job { BLOCK }	293	=item cf::sync_job { BLOCK }
187		294
188	The design of crossfire+ requires that the main coro ($Coro::main) is	295	The design of crossfire+ requires that the main coro ($Coro::main) is
189	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
…		…
203	# this is the main coro, too bad, we have to block	310	# this is the main coro, too bad, we have to block
204	# till the operation succeeds, freezing the server :/	311	# till the operation succeeds, freezing the server :/
205		312
206	# TODO: use suspend/resume instead	313	# TODO: use suspend/resume instead
207	# (but this is cancel-safe)	314	# (but this is cancel-safe)
208	local $FREEZE = 1;	315	my $freeze_guard = freeze_mainloop;
209		316
210	my $busy = 1;	317	my $busy = 1;
211	my @res;	318	my @res;
212		319
213	(Coro::async {	320	(async {
214	@res = eval { $job->() };	321	@res = eval { $job->() };
215	warn $@ if $@;	322	warn $@ if $@;
216	undef $busy;	323	undef $busy;
217	})->prio (Coro::PRIO_MAX);	324	})->prio (Coro::PRIO_MAX);
218		325
219	while ($busy) {	326	while ($busy) {
220	Coro::cede_notself;	327	Coro::cede or Event::one_event;
221	Event::one_event unless Coro::nready;
222	}	328	}
223		329
224	wantarray ? @res : $res[0]	330	wantarray ? @res : $res[0]
225	} else {	331	} else {
226	# we are in another coroutine, how wonderful, everything just works	332	# we are in another coroutine, how wonderful, everything just works
227		333
228	$job->()	334	$job->()
229	}	335	}
230	}	336	}
231		337
232	=item $coro = cf::coro { BLOCK }	338	=item $coro = cf::async_ext { BLOCK }
233		339
234	Creates and returns a new coro. This coro is automcatially being canceled	340	Like async, but this coro is automatically being canceled when the
235	when the extension calling this is being unloaded.	341	extension calling this is being unloaded.
236		342
237	=cut	343	=cut
238		344
239	sub coro(&) {	345	sub async_ext(&) {
240	my $cb = shift;	346	my $cb = shift;
241		347
242	my $coro; $coro = async {	348	my $coro = &Coro::async ($cb);
243	eval {
244	$cb->();
245	};
246	warn $@ if $@;
247	};
248		349
249	$coro->on_destroy (sub {	350	$coro->on_destroy (sub {
250	delete $EXT_CORO{$coro+0};	351	delete $EXT_CORO{$coro+0};
251	});	352	});
252	$EXT_CORO{$coro+0} = $coro;	353	$EXT_CORO{$coro+0} = $coro;
…		…
258	my $runtime = cf::localdir . "/runtime";	359	my $runtime = cf::localdir . "/runtime";
259		360
260	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
261	or return;	362	or return;
262		363
		364	my $value = $cf::RUNTIME + 90 + 10;
263	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	365	# 10 is the runtime save interval, for a monotonic clock
		366	# 60 allows for the watchdog to kill the server.
		367
264	(aio_write $fh, 0, (length $value), $value, 0) <= 0	368	(aio_write $fh, 0, (length $value), $value, 0) <= 0
265	and return;	369	and return;
266		370
		371	# always fsync - this file is important
267	aio_fsync $fh	372	aio_fsync $fh
268	and return;	373	and return;
269		374
270	close $fh	375	close $fh
271	or return;	376	or return;
…		…
277	}	382	}
278		383
279	=back	384	=back
280		385
281	=cut	386	=cut
282
283	#############################################################################
284
285	package cf::path;
286
287	sub new {
288	my ($class, $path, $base) = @_;
289
290	$path = $path->as_string if ref $path;
291
292	my $self = bless { }, $class;
293
294	if ($path =~ s{^\?random/}{}) {
295	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
296	$self->{random} = cf::from_json $data;
297	} else {
298	if ($path =~ s{^~([^/]+)?}{}) {
299	$self->{user_rel} = 1;
300
301	if (defined $1) {
302	$self->{user} = $1;
303	} elsif ($base =~ m{^~([^/]+)/}) {
304	$self->{user} = $1;
305	} else {
306	warn "cannot resolve user-relative path without user <$path,$base>\n";
307	}
308	} elsif ($path =~ /^\//) {
309	# already absolute
310	} else {
311	$base =~ s{[^/]+/?$}{};
312	return $class->new ("$base/$path");
313	}
314
315	for ($path) {
316	redo if s{/\.?/}{/};
317	redo if s{/[^/]+/\.\./}{/};
318	}
319	}
320
321	$self->{path} = $path;
322
323	$self
324	}
325
326	# the name / primary key / in-game path
327	sub as_string {
328	my ($self) = @_;
329
330	$self->{user_rel} ? "~$self->{user}$self->{path}"
331	: $self->{random} ? "?random/$self->{path}"
332	: $self->{path}
333	}
334
335	# the displayed name, this is a one way mapping
336	sub visible_name {
337	my ($self) = @_;
338
339	# if (my $rmp = $self->{random}) {
340	# # todo: be more intelligent about this
341	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
342	# } else {
343	$self->as_string
344	# }
345	}
346
347	# escape the /'s in the path
348	sub _escaped_path {
349	# ∕ is U+2215
350	(my $path = $_[0]{path}) =~ s/\//∕/g;
351	$path
352	}
353
354	# the original (read-only) location
355	sub load_path {
356	my ($self) = @_;
357
358	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
359	}
360
361	# the temporary/swap location
362	sub save_path {
363	my ($self) = @_;
364
365	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
366	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
367	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
368	}
369
370	# the unique path, might be eq to save_path
371	sub uniq_path {
372	my ($self) = @_;
373
374	$self->{user_rel} || $self->{random}
375	? undef
376	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
377	}
378
379	# return random map parameters, or undef
380	sub random_map_params {
381	my ($self) = @_;
382
383	$self->{random}
384	}
385
386	# this is somewhat ugly, but style maps do need special treatment
387	sub is_style_map {
388	$_[0]{path} =~ m{^/styles/}
389	}
390
391	package cf;
392		387
393	#############################################################################	388	#############################################################################
394		389
395	=head2 ATTACHABLE OBJECTS	390	=head2 ATTACHABLE OBJECTS
396		391
…		…
522	our @CB_TYPE = (); # registry for type (cf-object class) based events	517	our @CB_TYPE = (); # registry for type (cf-object class) based events
523	our @CB_MAP = ();	518	our @CB_MAP = ();
524		519
525	my %attachment;	520	my %attachment;
526		521
		522	sub cf::attachable::thawer_merge {
		523	# simply override everything except _meta
		524	local $_[0]{_meta};
		525	%{$_[0]} = %{$_[1]};
		526	}
		527
527	sub _attach_cb($$$$) {	528	sub _attach_cb($$$$) {
528	my ($registry, $event, $prio, $cb) = @_;	529	my ($registry, $event, $prio, $cb) = @_;
529		530
530	use sort 'stable';	531	use sort 'stable';
531		532
…		…
702	# object support	703	# object support
703		704
704	sub reattach {	705	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	706	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	707	my ($obj) = @_;
		708
		709	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
707		710
708	my $registry = $obj->registry;	711	my $registry = $obj->registry;
709		712
710	@$registry = ();	713	@$registry = ();
711		714
…		…
758	$filename, length $$rdata, scalar @$objs;	761	$filename, length $$rdata, scalar @$objs;
759		762
760	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
761	chmod SAVE_MODE, $fh;	764	chmod SAVE_MODE, $fh;
762	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
763	aio_fsync $fh;	766	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	767	close $fh;
765		768
766	if (@$objs) {	769	if (@$objs) {
767	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
768	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
769	my $data = Storable::nfreeze { version => 1, objs => $objs };	772	my $data = Storable::nfreeze { version => 1, objs => $objs };
770	aio_write $fh, 0, (length $data), $data, 0;	773	aio_write $fh, 0, (length $data), $data, 0;
771	aio_fsync $fh;	774	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	775	close $fh;
773	aio_rename "$filename.pst~", "$filename.pst";	776	aio_rename "$filename.pst~", "$filename.pst";
774	}	777	}
775	} else {	778	} else {
776	aio_unlink "$filename.pst";	779	aio_unlink "$filename.pst";
…		…
782	}	785	}
783	} else {	786	} else {
784	aio_unlink $filename;	787	aio_unlink $filename;
785	aio_unlink "$filename.pst";	788	aio_unlink "$filename.pst";
786	}	789	}
		790
		791	#d##TODO# nuke non .map-files if exist
		792	if ($filename =~ s/\.map$//) {
		793	aio_unlink $filename;
		794	aio_unlink "$filename.pst";
		795	}
787	}	796	}
788	}	797	}
789		798
790	sub object_freezer_as_string {	799	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	800	my ($rdata, $objs) = @_;
…		…
797		806
798	sub object_thawer_load {	807	sub object_thawer_load {
799	my ($filename) = @_;	808	my ($filename) = @_;
800		809
801	my ($data, $av);	810	my ($data, $av);
		811
		812	#d#TODO remove .map if file does not exist
		813	aio_stat $filename and $filename =~ s/\.map$//;
802		814
803	(aio_load $filename, $data) >= 0	815	(aio_load $filename, $data) >= 0
804	or return;	816	or return;
805		817
806	unless (aio_stat "$filename.pst") {	818	unless (aio_stat "$filename.pst") {
807	(aio_load "$filename.pst", $av) >= 0	819	(aio_load "$filename.pst", $av) >= 0
808	or return;	820	or return;
809	$av = eval { (Storable::thaw $av)->{objs} };	821	$av = eval { (Storable::thaw $av)->{objs} };
810	}	822	}
811		823
		824	warn sprintf "loading %s (%d)\n",
		825	$filename, length $data, scalar @{$av || []};#d#
812	return ($data, $av);	826	return ($data, $av);
813	}	827	}
814		828
815	#############################################################################	829	#############################################################################
816	# command handling &c	830	# command handling &c
…		…
841	=cut	855	=cut
842		856
843	sub register_extcmd {	857	sub register_extcmd {
844	my ($name, $cb) = @_;	858	my ($name, $cb) = @_;
845		859
846	my $caller = caller;
847	#warn "registering extcmd '$name' to '$caller'";
848
849	$EXTCMD{$name} = [$cb, $caller];	860	$EXTCMD{$name} = $cb;
850	}	861	}
851		862
852	cf::player->attach (	863	cf::player->attach (
853	on_command => sub {	864	on_command => sub {
854	my ($pl, $name, $params) = @_;	865	my ($pl, $name, $params) = @_;
…		…
867		878
868	my $msg = eval { from_json $buf };	879	my $msg = eval { from_json $buf };
869		880
870	if (ref $msg) {	881	if (ref $msg) {
871	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	882	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
872	if (my %reply = $cb->[0]->($pl, $msg)) {	883	if (my %reply = $cb->($pl, $msg)) {
873	$pl->ext_reply ($msg->{msgid}, %reply);	884	$pl->ext_reply ($msg->{msgid}, %reply);
874	}	885	}
875	}	886	}
876	} else {	887	} else {
877	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	888	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
879		890
880	cf::override;	891	cf::override;
881	},	892	},
882	);	893	);
883		894
884	sub register {
885	my ($base, $pkg) = @_;
886
887	#TODO
888	}
889
890	sub load_extension {	895	sub load_extension {
891	my ($path) = @_;	896	my ($path) = @_;
892		897
893	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	898	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
894	my $base = $1;	899	my $base = $1;
895	my $pkg = $1;	900	my $pkg = $1;
896	$pkg =~ s/[^[:word:]]/_/g;	901	$pkg =~ s/[^[:word:]]/_/g;
897	$pkg = "ext::$pkg";	902	$pkg = "ext::$pkg";
898		903
899	warn "loading '$path' into '$pkg'\n";	904	warn "... loading '$path' into '$pkg'\n";
900		905
901	open my $fh, "<:utf8", $path	906	open my $fh, "<:utf8", $path
902	or die "$path: $!";	907	or die "$path: $!";
903		908
904	my $source =	909	my $source =
905	"package $pkg; use strict; use utf8;\n"	910	"package $pkg; use strict; use utf8;\n"
906	. "#line 1 \"$path\"\n{\n"	911	. "#line 1 \"$path\"\n{\n"
907	. (do { local $/; <$fh> })	912	. (do { local $/; <$fh> })
908	. "\n};\n1";	913	. "\n};\n1";
909		914
910	eval $source	915	unless (eval $source) {
911	or die $@ ? "$path: $@\n"	916	my $msg = $@ ? "$path: $@\n"
912	: "extension disabled.\n";	917	: "extension disabled.\n";
913		918	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
914	push @exts, $pkg;	919	warn $@;
915	$ext_pkg{$base} = $pkg;	920	warn "mandatory extension failed to load, exiting.\n";
916		921	exit 1;
917	# no strict 'refs';	922	}
918	# @{"$pkg\::ISA"} = ext::;	923	die $@;
919
920	register $base, $pkg;
921	}
922
923	sub unload_extension {
924	my ($pkg) = @_;
925
926	warn "removing extension $pkg\n";
927
928	# remove hooks
929	#TODO
930	# for my $idx (0 .. $#PLUGIN_EVENT) {
931	# delete $hook[$idx]{$pkg};
932	# }	924	}
933		925
934	# remove commands	926	push @EXTS, $pkg;
935	for my $name (keys %COMMAND) {
936	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
937
938	if (@cb) {
939	$COMMAND{$name} = \@cb;
940	} else {
941	delete $COMMAND{$name};
942	}
943	}
944
945	# remove extcmds
946	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
947	delete $EXTCMD{$name};
948	}
949
950	if (my $cb = $pkg->can ("unload")) {
951	eval {
952	$cb->($pkg);
953	1
954	} or warn "$pkg unloaded, but with errors: $@";
955	}
956
957	Symbol::delete_package $pkg;
958	}	927	}
959		928
960	sub load_extensions {	929	sub load_extensions {
961	for my $ext (<$LIBDIR/*.ext>) {	930	for my $ext (<$LIBDIR/*.ext>) {
962	next unless -r $ext;	931	next unless -r $ext;
…		…
966	} or warn "$ext not loaded: $@";	935	} or warn "$ext not loaded: $@";
967	}	936	}
968	}	937	}
969		938
970	#############################################################################	939	#############################################################################
971	# load/save/clean perl data associated with a map
972
973	*cf::mapsupport::on_clean = sub {
974	my ($map) = @_;
975
976	my $path = $map->tmpname;
977	defined $path or return;
978
979	unlink "$path.pst";
980	};
981
982	cf::map->attach (prio => -10000, package => cf::mapsupport::);
983
984	#############################################################################
985	# load/save perl data associated with player->ob objects
986
987	sub all_objects(@) {
988	@_, map all_objects ($_->inv), @_
989	}
990
991	# TODO: compatibility cruft, remove when no longer needed
992	cf::player->attach (
993	on_load => sub {
994	my ($pl, $path) = @_;
995
996	for my $o (all_objects $pl->ob) {
997	if (my $value = $o->get_ob_key_value ("_perl_data")) {
998	$o->set_ob_key_value ("_perl_data");
999
1000	%$o = %{ Storable::thaw pack "H*", $value };
1001	}
1002	}
1003	},
1004	);
1005
1006	#############################################################################
1007		940
1008	=head2 CORE EXTENSIONS	941	=head2 CORE EXTENSIONS
1009		942
1010	Functions and methods that extend core crossfire objects.	943	Functions and methods that extend core crossfire objects.
1011		944
		945	=cut
		946
		947	package cf::player;
		948
		949	use Coro::AIO;
		950
1012	=head3 cf::player	951	=head3 cf::player
1013		952
1014	=over 4	953	=over 4
1015		954
1016	=item cf::player::exists $login	955	=item cf::player::find $login
1017		956
1018	Returns true when the given account exists.	957	Returns the given player object, loading it if necessary (might block).
1019		958
1020	=cut	959	=cut
1021		960
1022	sub cf::player::exists($) {	961	sub playerdir($) {
1023	cf::player::find $_[0]	962	cf::localdir
1024	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	963	. "/"
		964	. cf::playerdir
		965	. "/"
		966	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		967	}
		968
		969	sub path($) {
		970	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		971
		972	(playerdir $login) . "/$login.pl"
		973	}
		974
		975	sub find_active($) {
		976	$cf::PLAYER{$_[0]}
		977	and $cf::PLAYER{$_[0]}->active
		978	and $cf::PLAYER{$_[0]}
		979	}
		980
		981	sub exists($) {
		982	my ($login) = @_;
		983
		984	$cf::PLAYER{$login}
		985	or cf::sync_job { !aio_stat path $login }
		986	}
		987
		988	sub find($) {
		989	return $cf::PLAYER{$_[0]} || do {
		990	my $login = $_[0];
		991
		992	my $guard = cf::lock_acquire "user_find:$login";
		993
		994	$cf::PLAYER{$_[0]} || do {
		995	my $pl = load_pl path $login
		996	or return;
		997	$cf::PLAYER{$login} = $pl
		998	}
		999	}
		1000	}
		1001
		1002	sub save($) {
		1003	my ($pl) = @_;
		1004
		1005	return if $pl->{deny_save};
		1006
		1007	my $path = path $pl;
		1008	my $guard = cf::lock_acquire "user_save:$path";
		1009
		1010	return if $pl->{deny_save};
		1011
		1012	aio_mkdir playerdir $pl, 0770;
		1013	$pl->{last_save} = $cf::RUNTIME;
		1014
		1015	$pl->save_pl ($path);
		1016	Coro::cede;
		1017	}
		1018
		1019	sub new($) {
		1020	my ($login) = @_;
		1021
		1022	my $self = create;
		1023
		1024	$self->ob->name ($login);
		1025	$self->{deny_save} = 1;
		1026
		1027	$cf::PLAYER{$login} = $self;
		1028
		1029	$self
		1030	}
		1031
		1032	=item $pl->quit_character
		1033
		1034	Nukes the player without looking back. If logged in, the connection will
		1035	be destroyed. May block for a long time.
		1036
		1037	=cut
		1038
		1039	sub quit_character {
		1040	my ($pl) = @_;
		1041
		1042	$pl->{deny_save} = 1;
		1043	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1044
		1045	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1046	$pl->deactivate;
		1047	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1048	$pl->ns->destroy if $pl->ns;
		1049
		1050	my $path = playerdir $pl;
		1051	my $temp = "$path~$cf::RUNTIME~deleting~";
		1052	aio_rename $path, $temp;
		1053	delete $cf::PLAYER{$pl->ob->name};
		1054	$pl->destroy;
		1055	IO::AIO::aio_rmtree $temp;
		1056	}
		1057
		1058	=item cf::player::list_logins
		1059
		1060	Returns am arrayref of all valid playernames in the system, can take a
		1061	while and may block, so not sync_job-capable, ever.
		1062
		1063	=cut
		1064
		1065	sub list_logins {
		1066	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1067	or return [];
		1068
		1069	my @logins;
		1070
		1071	for my $login (@$dirs) {
		1072	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1073	aio_read $fh, 0, 512, my $buf, 0 or next;
		1074	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1075
		1076	utf8::decode $login;
		1077	push @logins, $login;
		1078	}
		1079
		1080	\@logins
		1081	}
		1082
		1083	=item $player->maps
		1084
		1085	Returns an arrayref of map paths that are private for this
		1086	player. May block.
		1087
		1088	=cut
		1089
		1090	sub maps($) {
		1091	my ($pl) = @_;
		1092
		1093	$pl = ref $pl ? $pl->ob->name : $pl;
		1094
		1095	my $files = aio_readdir playerdir $pl
		1096	or return;
		1097
		1098	my @paths;
		1099
		1100	for (@$files) {
		1101	utf8::decode $_;
		1102	next if /\.(?:pl|pst)$/;
		1103	next unless /^$PATH_SEP/o;
		1104
		1105	push @paths, cf::map::normalise "~$pl/$_";
		1106	}
		1107
		1108	\@paths
1025	}	1109	}
1026		1110
1027	=item $player->ext_reply ($msgid, $msgtype, %msg)	1111	=item $player->ext_reply ($msgid, $msgtype, %msg)
1028		1112
1029	Sends an ext reply to the player.	1113	Sends an ext reply to the player.
1030		1114
1031	=cut	1115	=cut
1032		1116
1033	sub cf::player::ext_reply($$$%) {	1117	sub ext_reply($$$%) {
1034	my ($self, $id, %msg) = @_;	1118	my ($self, $id, %msg) = @_;
1035		1119
1036	$msg{msgid} = $id;	1120	$msg{msgid} = $id;
1037		1121
1038	$self->send ("ext " . to_json \%msg);	1122	$self->send ("ext " . cf::to_json \%msg);
1039	}	1123	}
		1124
		1125	package cf;
1040		1126
1041	=back	1127	=back
1042		1128
1043		1129
1044	=head3 cf::map	1130	=head3 cf::map
…		…
1050	package cf::map;	1136	package cf::map;
1051		1137
1052	use Fcntl;	1138	use Fcntl;
1053	use Coro::AIO;	1139	use Coro::AIO;
1054		1140
		1141	use overload
		1142	'""' => \&as_string,
		1143	fallback => 1;
		1144
1055	our $MAX_RESET = 7200;	1145	our $MAX_RESET = 3600;
1056	our $DEFAULT_RESET = 3600;	1146	our $DEFAULT_RESET = 3000;
1057		1147
1058	sub generate_random_map {	1148	sub generate_random_map {
1059	my ($path, $rmp) = @_;	1149	my ($self, $rmp) = @_;
1060
1061	# mit "rum" bekleckern, nicht	1150	# mit "rum" bekleckern, nicht
1062	cf::map::_create_random_map	1151	$self->_create_random_map (
1063	$path,
1064	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1152	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1065	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1153	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1066	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1154	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1067	$rmp->{exit_on_final_map},	1155	$rmp->{exit_on_final_map},
1068	$rmp->{xsize}, $rmp->{ysize},	1156	$rmp->{xsize}, $rmp->{ysize},
1069	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1157	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1070	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1158	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1071	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1159	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1072	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1160	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1073	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1161	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1074	(cf::region::find $rmp->{region})	1162	(cf::region::find $rmp->{region}), $rmp->{custom}
		1163	)
		1164	}
		1165
		1166	=item cf::map->register ($regex, $prio)
		1167
		1168	Register a handler for the map path matching the given regex at the
		1169	givne priority (higher is better, built-in handlers have priority 0, the
		1170	default).
		1171
		1172	=cut
		1173
		1174	sub register {
		1175	my (undef, $regex, $prio) = @_;
		1176	my $pkg = caller;
		1177
		1178	no strict;
		1179	push @{"$pkg\::ISA"}, __PACKAGE__;
		1180
		1181	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1182	}
		1183
		1184	# also paths starting with '/'
		1185	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1186
		1187	sub thawer_merge {
		1188	my ($self, $merge) = @_;
		1189
		1190	# we have to keep some variables in memory intact
		1191	local $self->{path};
		1192	local $self->{load_path};
		1193	local $self->{deny_save};
		1194	local $self->{deny_reset};
		1195
		1196	$self->SUPER::thawer_merge ($merge);
		1197	}
		1198
		1199	sub normalise {
		1200	my ($path, $base) = @_;
		1201
		1202	$path = "$path"; # make sure its a string
		1203
		1204	$path =~ s/\.map$//;
		1205
		1206	# map plan:
		1207	#
		1208	# /! non-realised random map exit (special hack!)
		1209	# {... are special paths that are not being touched
		1210	# ?xxx/... are special absolute paths
		1211	# ?random/... random maps
		1212	# /... normal maps
		1213	# ~user/... per-player map of a specific user
		1214
		1215	$path =~ s/$PATH_SEP/\//go;
		1216
		1217	# treat it as relative path if it starts with
		1218	# something that looks reasonable
		1219	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1220	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1221
		1222	$base =~ s{[^/]+/?$}{};
		1223	$path = "$base/$path";
		1224	}
		1225
		1226	for ($path) {
		1227	redo if s{//}{/};
		1228	redo if s{/\.?/}{/};
		1229	redo if s{/[^/]+/\.\./}{/};
		1230	}
		1231
		1232	$path
		1233	}
		1234
		1235	sub new_from_path {
		1236	my (undef, $path, $base) = @_;
		1237
		1238	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1239
		1240	$path = normalise $path, $base;
		1241
		1242	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1243	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1244	my $self = bless cf::map::new, $pkg;
		1245	$self->{path} = $path; $self->path ($path);
		1246	$self->init; # pass $1 etc.
		1247	return $self;
		1248	}
		1249	}
		1250
		1251	Carp::carp "unable to resolve path '$path' (base '$base').";
		1252	()
		1253	}
		1254
		1255	sub init {
		1256	my ($self) = @_;
		1257
		1258	$self
		1259	}
		1260
		1261	sub as_string {
		1262	my ($self) = @_;
		1263
		1264	"$self->{path}"
		1265	}
		1266
		1267	# the displayed name, this is a one way mapping
		1268	sub visible_name {
		1269	&as_string
		1270	}
		1271
		1272	# the original (read-only) location
		1273	sub load_path {
		1274	my ($self) = @_;
		1275
		1276	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1277	}
		1278
		1279	# the temporary/swap location
		1280	sub save_path {
		1281	my ($self) = @_;
		1282
		1283	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1284	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1285	}
		1286
		1287	# the unique path, undef == no special unique path
		1288	sub uniq_path {
		1289	my ($self) = @_;
		1290
		1291	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1292	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1075	}	1293	}
1076		1294
1077	# and all this just because we cannot iterate over	1295	# and all this just because we cannot iterate over
1078	# all maps in C++...	1296	# all maps in C++...
1079	sub change_all_map_light {	1297	sub change_all_map_light {
1080	my ($change) = @_;	1298	my ($change) = @_;
1081		1299
1082	$_->change_map_light ($change) for values %cf::MAP;	1300	$_->change_map_light ($change)
		1301	for grep $_->outdoor, values %cf::MAP;
1083	}	1302	}
1084		1303
		1304	sub unlink_save {
		1305	my ($self) = @_;
		1306
		1307	utf8::encode (my $save = $self->save_path);
		1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1309	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1310
		1311	#d#TODO remove .map and also nuke
		1312	$save =~ s/\.map// or return;#d#
		1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1314	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1315	}
		1316
1085	sub try_load_header($) {	1317	sub load_header_from($) {
1086	my ($path) = @_;	1318	my ($self, $path) = @_;
1087		1319
1088	utf8::encode $path;	1320	utf8::encode $path;
1089	aio_open $path, O_RDONLY, 0	1321	#aio_open $path, O_RDONLY, 0
		1322	# or return;
		1323
		1324	$self->_load_header ($path)
1090	or return;	1325	or return;
1091		1326
1092	my $map = cf::map::new	1327	$self->{load_path} = $path;
		1328
		1329	1
		1330	}
		1331
		1332	sub load_header_orig {
		1333	my ($self) = @_;
		1334
		1335	$self->load_header_from ($self->load_path)
		1336	}
		1337
		1338	sub load_header_temp {
		1339	my ($self) = @_;
		1340
		1341	$self->load_header_from ($self->save_path)
		1342	}
		1343
		1344	sub prepare_temp {
		1345	my ($self) = @_;
		1346
		1347	$self->last_access ((delete $self->{last_access})
		1348	|| $cf::RUNTIME); #d#
		1349	# safety
		1350	$self->{instantiate_time} = $cf::RUNTIME
		1351	if $self->{instantiate_time} > $cf::RUNTIME;
		1352	}
		1353
		1354	sub prepare_orig {
		1355	my ($self) = @_;
		1356
		1357	$self->{load_original} = 1;
		1358	$self->{instantiate_time} = $cf::RUNTIME;
		1359	$self->last_access ($cf::RUNTIME);
		1360	$self->instantiate;
		1361	}
		1362
		1363	sub load_header {
		1364	my ($self) = @_;
		1365
		1366	if ($self->load_header_temp) {
		1367	$self->prepare_temp;
		1368	} else {
		1369	$self->load_header_orig
1093	or return;	1370	or return;
		1371	$self->prepare_orig;
		1372	}
1094		1373
1095	$map->load_header ($path)	1374	1
1096	or return;
1097
1098	$map->{load_path} = $path;
1099
1100	$map
1101	}	1375	}
1102		1376
		1377	sub find;
1103	sub find_map {	1378	sub find {
1104	my ($path, $origin) = @_;	1379	my ($path, $origin) = @_;
1105		1380
1106	#warn "find_map<$path,$origin>\n";#d#
1107
1108	$path = new cf::path $path, $origin && $origin->path;	1381	$path = normalise $path, $origin && $origin->path;
1109	my $key = $path->as_string;
1110		1382
		1383	cf::lock_wait "map_find:$path";
		1384
1111	$cf::MAP{$key} || do {	1385	$cf::MAP{$path} || do {
1112	# do it the slow way	1386	my $guard = cf::lock_acquire "map_find:$path";
1113	my $map = try_load_header $path->save_path;	1387	my $map = new_from_path cf::map $path
1114
1115	if ($map) {
1116	# safety
1117	$map->{instantiate_time} = $cf::RUNTIME
1118	if $map->{instantiate_time} > $cf::RUNTIME;
1119	} else {
1120	if (my $rmp = $path->random_map_params) {
1121	$map = generate_random_map $key, $rmp;
1122	} else {
1123	$map = try_load_header $path->load_path;
1124	}
1125
1126	$map or return;	1388	or return;
1127		1389
1128	$map->{load_original} = 1;
1129	$map->{instantiate_time} = $cf::RUNTIME;
1130	$map->instantiate;
1131
1132	# per-player maps become, after loading, normal maps
1133	$map->per_player (0) if $path->{user_rel};
1134	}
1135
1136	$map->path ($key);
1137	$map->{path} = $path;
1138	$map->last_access ($cf::RUNTIME);	1390	$map->{last_save} = $cf::RUNTIME;
1139		1391
1140	if ($map->should_reset) {	1392	$map->load_header
		1393	or return;
		1394
		1395	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1396	# doing this can freeze the server in a sync job, obviously
		1397	#$cf::WAIT_FOR_TICK->wait;
1141	$map->reset;	1398	$map->reset;
1142	$map = find_map $path;	1399	undef $guard;
		1400	return find $path;
1143	}	1401	}
1144		1402
1145	$cf::MAP{$key} = $map	1403	$cf::MAP{$path} = $map
1146	}	1404	}
1147	}	1405	}
		1406
		1407	sub pre_load { }
		1408	sub post_load { }
1148		1409
1149	sub load {	1410	sub load {
1150	my ($self) = @_;	1411	my ($self) = @_;
1151		1412
		1413	local $self->{deny_reset} = 1; # loading can take a long time
		1414
		1415	my $path = $self->{path};
		1416	my $guard = cf::lock_acquire "map_load:$path";
		1417
1152	return if $self->in_memory != cf::MAP_SWAPPED;	1418	return if $self->in_memory != cf::MAP_SWAPPED;
1153		1419
1154	$self->in_memory (cf::MAP_LOADING);	1420	$self->in_memory (cf::MAP_LOADING);
1155		1421
1156	my $path = $self->{path};
1157
1158	$self->alloc;	1422	$self->alloc;
		1423
		1424	$self->pre_load;
		1425
1159	$self->load_objects ($self->{load_path}, 1)	1426	$self->_load_objects ($self->{load_path}, 1)
1160	or return;	1427	or return;
1161		1428
1162	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1429	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1163	if delete $self->{load_original};	1430	if delete $self->{load_original};
1164		1431
1165	if (my $uniq = $path->uniq_path) {	1432	if (my $uniq = $self->uniq_path) {
1166	utf8::encode $uniq;	1433	utf8::encode $uniq;
1167	if (aio_open $uniq, O_RDONLY, 0) {	1434	if (aio_open $uniq, O_RDONLY, 0) {
1168	$self->clear_unique_items;	1435	$self->clear_unique_items;
1169	$self->load_objects ($uniq, 0);	1436	$self->_load_objects ($uniq, 0);
1170	}	1437	}
1171	}	1438	}
		1439
		1440	Coro::cede;
1172		1441
1173	# now do the right thing for maps	1442	# now do the right thing for maps
1174	$self->link_multipart_objects;	1443	$self->link_multipart_objects;
1175		1444
1176	if ($self->{path}->is_style_map) {	1445	unless ($self->{deny_activate}) {
1177	$self->{deny_save} = 1;	1446	$self->decay_objects;
1178	$self->{deny_reset} = 1;
1179	} else {
1180	$self->fix_auto_apply;	1447	$self->fix_auto_apply;
1181	$self->decay_objects;
1182	$self->update_buttons;	1448	$self->update_buttons;
		1449	Coro::cede;
1183	$self->set_darkness_map;	1450	$self->set_darkness_map;
1184	$self->difficulty ($self->estimate_difficulty)	1451	$self->difficulty ($self->estimate_difficulty)
1185	unless $self->difficulty;	1452	unless $self->difficulty;
		1453	Coro::cede;
1186	$self->activate;	1454	$self->activate;
1187	}	1455	}
1188		1456
		1457	$self->post_load;
		1458
1189	$self->in_memory (cf::MAP_IN_MEMORY);	1459	$self->in_memory (cf::MAP_IN_MEMORY);
1190	}	1460	}
1191		1461
1192	sub load_map_sync {	1462	sub customise_for {
		1463	my ($self, $ob) = @_;
		1464
		1465	return find "~" . $ob->name . "/" . $self->{path}
		1466	if $self->per_player;
		1467
		1468	$self
		1469	}
		1470
		1471	# find and load all maps in the 3x3 area around a map
		1472	sub load_diag {
		1473	my ($map) = @_;
		1474
		1475	my @diag; # diagonal neighbours
		1476
		1477	for (0 .. 3) {
		1478	my $neigh = $map->tile_path ($_)
		1479	or next;
		1480	$neigh = find $neigh, $map
		1481	or next;
		1482	$neigh->load;
		1483
		1484	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1485	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1486	}
		1487
		1488	for (@diag) {
		1489	my $neigh = find @$_
		1490	or next;
		1491	$neigh->load;
		1492	}
		1493	}
		1494
		1495	sub find_sync {
1193	my ($path, $origin) = @_;	1496	my ($path, $origin) = @_;
1194		1497
1195	#warn "load_map_sync<$path, $origin>\n";#d#	1498	cf::sync_job { find $path, $origin }
		1499	}
1196		1500
1197	cf::sync_job {	1501	sub do_load_sync {
1198	my $map = cf::map::find_map $path, $origin	1502	my ($map) = @_;
1199	or return;	1503
		1504	cf::sync_job { $map->load };
		1505	}
		1506
		1507	our %MAP_PREFETCH;
		1508	our $MAP_PREFETCHER = undef;
		1509
		1510	sub find_async {
		1511	my ($path, $origin) = @_;
		1512
		1513	$path = normalise $path, $origin && $origin->{path};
		1514
		1515	if (my $map = $cf::MAP{$path}) {
		1516	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1517	}
		1518
		1519	undef $MAP_PREFETCH{$path};
		1520	$MAP_PREFETCHER ||= cf::async {
		1521	while (%MAP_PREFETCH) {
		1522	for my $path (keys %MAP_PREFETCH) {
		1523	my $map = find $path
		1524	or next;
1200	$map->load;	1525	$map->load;
1201	$map	1526
		1527	delete $MAP_PREFETCH{$path};
		1528	}
		1529	}
		1530	undef $MAP_PREFETCHER;
1202	}	1531	};
		1532	$MAP_PREFETCHER->prio (6);
		1533
		1534	()
1203	}	1535	}
1204		1536
1205	sub save {	1537	sub save {
1206	my ($self) = @_;	1538	my ($self) = @_;
1207		1539
1208	my $save = $self->{path}->save_path; utf8::encode $save;	1540	my $lock = cf::lock_acquire "map_data:" . $self->path;
1209	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1210		1541
1211	$self->{last_save} = $cf::RUNTIME;	1542	$self->{last_save} = $cf::RUNTIME;
1212		1543
1213	return unless $self->dirty;	1544	return unless $self->dirty;
1214		1545
		1546	my $save = $self->save_path; utf8::encode $save;
		1547	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1548
1215	$self->{load_path} = $save;	1549	$self->{load_path} = $save;
1216		1550
1217	return if $self->{deny_save};	1551	return if $self->{deny_save};
1218		1552
		1553	local $self->{last_access} = $self->last_access;#d#
		1554
		1555	cf::async {
		1556	$_->contr->save for $self->players;
		1557	};
		1558
1219	if ($uniq) {	1559	if ($uniq) {
1220	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1560	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1221	$self->save_objects ($uniq, cf::IO_UNIQUES);	1561	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1222	} else {	1562	} else {
1223	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1563	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1224	}	1564	}
1225	}	1565	}
1226		1566
1227	sub swap_out {	1567	sub swap_out {
1228	my ($self) = @_;	1568	my ($self) = @_;
		1569
		1570	# save first because save cedes
		1571	$self->save;
		1572
		1573	my $lock = cf::lock_acquire "map_data:" . $self->path;
1229		1574
1230	return if $self->players;	1575	return if $self->players;
1231	return if $self->in_memory != cf::MAP_IN_MEMORY;	1576	return if $self->in_memory != cf::MAP_IN_MEMORY;
1232	return if $self->{deny_save};	1577	return if $self->{deny_save};
1233		1578
1234	$self->save;
1235	$self->clear;	1579	$self->clear;
1236	$self->in_memory (cf::MAP_SWAPPED);	1580	$self->in_memory (cf::MAP_SWAPPED);
1237	}	1581	}
1238		1582
1239	sub reset_at {	1583	sub reset_at {
1240	my ($self) = @_;	1584	my ($self) = @_;
1241		1585
1242	# TODO: safety, remove and allow resettable per-player maps	1586	# TODO: safety, remove and allow resettable per-player maps
1243	return 1e100 if $self->{path}{user_rel};	1587	return 1e99 if $self->isa ("ext::map_per_player");#d#
1244	return 1e100 if $self->{deny_reset};	1588	return 1e99 if $self->{deny_reset};
1245		1589
1246	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1590	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1247	my $to = $self->reset_timeout || $DEFAULT_RESET;	1591	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1248	$to = $MAX_RESET if $to > $MAX_RESET;
1249		1592
1250	$time + $to	1593	$time + $to
1251	}	1594	}
1252		1595
1253	sub should_reset {	1596	sub should_reset {
1254	my ($self) = @_;	1597	my ($self) = @_;
1255		1598
1256	$self->reset_at <= $cf::RUNTIME	1599	$self->reset_at <= $cf::RUNTIME
1257	}	1600	}
1258		1601
1259	sub unlink_save {
1260	my ($self) = @_;
1261
1262	utf8::encode (my $save = $self->{path}->save_path);
1263	aioreq_pri 3; IO::AIO::aio_unlink $save;
1264	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1265	}
1266
1267	sub rename {
1268	my ($self, $new_path) = @_;
1269
1270	$self->unlink_save;
1271
1272	delete $cf::MAP{$self->path};
1273	$self->{path} = new cf::path $new_path;
1274	$self->path ($self->{path}->path);
1275	$cf::MAP{$self->path} = $self;
1276
1277	$self->save;
1278	}
1279
1280	sub reset {	1602	sub reset {
1281	my ($self) = @_;	1603	my ($self) = @_;
1282		1604
		1605	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1606
1283	return if $self->players;	1607	return if $self->players;
1284	return if $self->{path}{user_rel};#d#	1608	return if $self->isa ("ext::map_per_player");#d#
1285		1609
1286	warn "resetting map ", $self->path;#d#	1610	warn "resetting map ", $self->path;#d#
1287		1611
		1612	$self->in_memory (cf::MAP_SWAPPED);
		1613
		1614	# need to save uniques path
		1615	unless ($self->{deny_save}) {
		1616	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1617
		1618	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1619	if $uniq;
		1620	}
		1621
1288	delete $cf::MAP{$self->path};	1622	delete $cf::MAP{$self->path};
		1623
		1624	$self->clear;
1289		1625
1290	$_->clear_links_to ($self) for values %cf::MAP;	1626	$_->clear_links_to ($self) for values %cf::MAP;
1291		1627
1292	$self->unlink_save;	1628	$self->unlink_save;
1293	$self->destroy;	1629	$self->destroy;
1294	}	1630	}
1295		1631
1296	sub customise_for {	1632	my $nuke_counter = "aaaa";
1297	my ($map, $ob) = @_;
1298		1633
1299	if ($map->per_player) {	1634	sub nuke {
1300	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1635	my ($self) = @_;
1301	}
1302		1636
1303	$map	1637	delete $cf::MAP{$self->path};
1304	}
1305		1638
1306	sub emergency_save {	1639	$self->unlink_save;
1307	local $cf::FREEZE = 1;
1308		1640
1309	warn "enter emergency map save\n";	1641	bless $self, "cf::map";
		1642	delete $self->{deny_reset};
		1643	$self->{deny_save} = 1;
		1644	$self->reset_timeout (1);
		1645	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1310		1646
1311	cf::sync_job {	1647	$cf::MAP{$self->path} = $self;
1312	warn "begin emergency map save\n";	1648
1313	$_->save for values %cf::MAP;	1649	$self->reset; # polite request, might not happen
		1650	}
		1651
		1652	=item cf::map::unique_maps
		1653
		1654	Returns an arrayref of paths of all shared maps that have
		1655	instantiated unique items. May block.
		1656
		1657	=cut
		1658
		1659	sub unique_maps() {
		1660	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1661	or return;
		1662
		1663	my @paths;
		1664
		1665	for (@$files) {
		1666	utf8::decode $_;
		1667	next if /\.pst$/;
		1668	next unless /^$PATH_SEP/o;
		1669
		1670	push @paths, cf::map::normalise $_;
1314	};	1671	}
1315		1672
1316	warn "end emergency map save\n";	1673	\@paths
1317	}	1674	}
1318		1675
1319	package cf;	1676	package cf;
1320		1677
1321	=back	1678	=back
1322		1679
		1680	=head3 cf::object
		1681
		1682	=cut
		1683
		1684	package cf::object;
		1685
		1686	=over 4
		1687
		1688	=item $ob->inv_recursive
		1689
		1690	Returns the inventory of the object _and_ their inventories, recursively.
		1691
		1692	=cut
		1693
		1694	sub inv_recursive_;
		1695	sub inv_recursive_ {
		1696	map { $_, inv_recursive_ $_->inv } @_
		1697	}
		1698
		1699	sub inv_recursive {
		1700	inv_recursive_ inv $_[0]
		1701	}
		1702
		1703	package cf;
		1704
		1705	=back
1323		1706
1324	=head3 cf::object::player	1707	=head3 cf::object::player
1325		1708
1326	=over 4	1709	=over 4
1327		1710
…		…
1363	(ref $cf::CFG{"may_$access"}	1746	(ref $cf::CFG{"may_$access"}
1364	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1747	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1365	: $cf::CFG{"may_$access"})	1748	: $cf::CFG{"may_$access"})
1366	}	1749	}
1367		1750
		1751	=item $player_object->enter_link
		1752
		1753	Freezes the player and moves him/her to a special map (C<{link}>).
		1754
		1755	The player should be reasonably safe there for short amounts of time. You
		1756	I<MUST> call C<leave_link> as soon as possible, though.
		1757
		1758	Will never block.
		1759
		1760	=item $player_object->leave_link ($map, $x, $y)
		1761
		1762	Moves the player out of the special C<{link}> map onto the specified
		1763	map. If the map is not valid (or omitted), the player will be moved back
		1764	to the location he/she was before the call to C<enter_link>, or, if that
		1765	fails, to the emergency map position.
		1766
		1767	Might block.
		1768
		1769	=cut
		1770
		1771	sub link_map {
		1772	unless ($LINK_MAP) {
		1773	$LINK_MAP = cf::map::find "{link}"
		1774	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1775	$LINK_MAP->load;
		1776	}
		1777
		1778	$LINK_MAP
		1779	}
		1780
1368	sub cf::object::player::enter_link {	1781	sub cf::object::player::enter_link {
1369	my ($self) = @_;	1782	my ($self) = @_;
1370		1783
1371	return if $self->map == $LINK_MAP;	1784	$self->deactivate_recursive;
1372		1785
		1786	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1787
1373	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1788	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1374	if $self->map;	1789	if $self->map;
1375		1790
1376	$self->enter_map ($LINK_MAP, 20, 20);	1791	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1377	$self->deactivate_recursive;
1378	}	1792	}
1379		1793
1380	sub cf::object::player::leave_link {	1794	sub cf::object::player::leave_link {
1381	my ($self, $map, $x, $y) = @_;	1795	my ($self, $map, $x, $y) = @_;
1382		1796
1383	my $link_pos = delete $self->{_link_pos};	1797	my $link_pos = delete $self->{_link_pos};
1384		1798
1385	unless ($map) {	1799	unless ($map) {
1386	$self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1387
1388	# restore original map position	1800	# restore original map position
1389	($map, $x, $y) = @{ $link_pos || [] };	1801	($map, $x, $y) = @{ $link_pos || [] };
1390	$map = cf::map::find_map $map;	1802	$map = cf::map::find $map;
1391		1803
1392	unless ($map) {	1804	unless ($map) {
1393	($map, $x, $y) = @$EMERGENCY_POSITION;	1805	($map, $x, $y) = @$EMERGENCY_POSITION;
1394	$map = cf::map::find_map $map	1806	$map = cf::map::find $map
1395	or die "FATAL: cannot load emergency map\n";	1807	or die "FATAL: cannot load emergency map\n";
1396	}	1808	}
1397	}	1809	}
1398		1810
1399	($x, $y) = (-1, -1)	1811	($x, $y) = (-1, -1)
…		…
1402	# use -1 or undef as default coordinates, not 0, 0	1814	# use -1 or undef as default coordinates, not 0, 0
1403	($x, $y) = ($map->enter_x, $map->enter_y)	1815	($x, $y) = ($map->enter_x, $map->enter_y)
1404	if $x <=0 && $y <= 0;	1816	if $x <=0 && $y <= 0;
1405		1817
1406	$map->load;	1818	$map->load;
		1819	$map->load_diag;
1407		1820
		1821	return unless $self->contr->active;
1408	$self->activate_recursive;	1822	$self->activate_recursive;
		1823
		1824	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1409	$self->enter_map ($map, $x, $y);	1825	$self->enter_map ($map, $x, $y);
1410	}	1826	}
1411		1827
		1828	cf::player->attach (
		1829	on_logout => sub {
		1830	my ($pl) = @_;
		1831
		1832	# abort map switching before logout
		1833	if ($pl->ob->{_link_pos}) {
		1834	cf::sync_job {
		1835	$pl->ob->leave_link
		1836	};
		1837	}
		1838	},
		1839	on_login => sub {
		1840	my ($pl) = @_;
		1841
		1842	# try to abort aborted map switching on player login :)
		1843	# should happen only on crashes
		1844	if ($pl->ob->{_link_pos}) {
		1845	$pl->ob->enter_link;
		1846	(async {
		1847	$pl->ob->reply (undef,
		1848	"There was an internal problem at your last logout, "
		1849	. "the server will try to bring you to your intended destination in a second.",
		1850	cf::NDI_RED);
		1851	# we need this sleep as the login has a concurrent enter_exit running
		1852	# and this sleep increases chances of the player not ending up in scorn
		1853	Coro::Timer::sleep 1;
		1854	$pl->ob->leave_link;
		1855	})->prio (2);
		1856	}
		1857	},
		1858	);
		1859
1412	=item $player_object->goto_map ($map, $x, $y)	1860	=item $player_object->goto ($path, $x, $y)
1413		1861
1414	=cut	1862	=cut
1415		1863
1416	sub cf::object::player::goto_map {	1864	sub cf::object::player::goto {
1417	my ($self, $path, $x, $y) = @_;	1865	my ($self, $path, $x, $y) = @_;
1418		1866
1419	$self->enter_link;	1867	$self->enter_link;
1420		1868
1421	(Coro::async {	1869	(async {
1422	$path = new cf::path $path;	1870	my $map = eval {
1423
1424	my $map = cf::map::find_map $path->as_string;	1871	my $map = cf::map::find $path;
1425	$map = $map->customise_for ($self) if $map;	1872	$map = $map->customise_for ($self) if $map;
1426
1427	warn "entering ", $map->path, " at ($x, $y)\n"
1428	if $map;	1873	$map
		1874	} or
		1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1429		1876
1430	$self->leave_link ($map, $x, $y);	1877	$self->leave_link ($map, $x, $y);
1431	})->prio (1);	1878	})->prio (1);
1432	}	1879	}
1433		1880
…		…
1437		1884
1438	sub parse_random_map_params {	1885	sub parse_random_map_params {
1439	my ($spec) = @_;	1886	my ($spec) = @_;
1440		1887
1441	my $rmp = { # defaults	1888	my $rmp = { # defaults
1442	xsize => 10,	1889	xsize => (cf::rndm 15, 40),
1443	ysize => 10,	1890	ysize => (cf::rndm 15, 40),
		1891	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1892	#layout => string,
1444	};	1893	};
1445		1894
1446	for (split /\n/, $spec) {	1895	for (split /\n/, $spec) {
1447	my ($k, $v) = split /\s+/, $_, 2;	1896	my ($k, $v) = split /\s+/, $_, 2;
1448		1897
…		…
1452	$rmp	1901	$rmp
1453	}	1902	}
1454		1903
1455	sub prepare_random_map {	1904	sub prepare_random_map {
1456	my ($exit) = @_;	1905	my ($exit) = @_;
		1906
		1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1457		1908
1458	# all this does is basically replace the /! path by	1909	# all this does is basically replace the /! path by
1459	# a new random map path (?random/...) with a seed	1910	# a new random map path (?random/...) with a seed
1460	# that depends on the exit object	1911	# that depends on the exit object
1461		1912
1462	my $rmp = parse_random_map_params $exit->msg;	1913	my $rmp = parse_random_map_params $exit->msg;
1463		1914
1464	if ($exit->map) {	1915	if ($exit->map) {
1465	$rmp->{region} = $exit->map->region_name;	1916	$rmp->{region} = $exit->region->name;
1466	$rmp->{origin_map} = $exit->map->path;	1917	$rmp->{origin_map} = $exit->map->path;
1467	$rmp->{origin_x} = $exit->x;	1918	$rmp->{origin_x} = $exit->x;
1468	$rmp->{origin_y} = $exit->y;	1919	$rmp->{origin_y} = $exit->y;
1469	}	1920	}
1470		1921
1471	$rmp->{random_seed} ||= $exit->random_seed;	1922	$rmp->{random_seed} ||= $exit->random_seed;
1472		1923
1473	my $data = cf::to_json $rmp;	1924	my $data = cf::to_json $rmp;
1474	my $md5 = Digest::MD5::md5_hex $data;	1925	my $md5 = Digest::MD5::md5_hex $data;
		1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1475		1927
1476	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1477	aio_write $fh, 0, (length $data), $data, 0;	1929	aio_write $fh, 0, (length $data), $data, 0;
		1930	undef $fh;
		1931	aio_rename "$meta~", $meta;
1478		1932
1479	$exit->slaying ("?random/$md5");	1933	$exit->slaying ("?random/$md5");
1480	$exit->msg (undef);	1934	$exit->msg (undef);
1481	}	1935	}
1482	}	1936	}
…		…
1484	sub cf::object::player::enter_exit {	1938	sub cf::object::player::enter_exit {
1485	my ($self, $exit) = @_;	1939	my ($self, $exit) = @_;
1486		1940
1487	return unless $self->type == cf::PLAYER;	1941	return unless $self->type == cf::PLAYER;
1488		1942
		1943	if ($exit->slaying eq "/!") {
		1944	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1945	cf::sync_job { prepare_random_map $exit };
		1946	}
		1947
		1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1949	my $hp = $exit->stats->hp;
		1950	my $sp = $exit->stats->sp;
		1951
1489	$self->enter_link;	1952	$self->enter_link;
1490		1953
1491	(Coro::async {	1954	(async {
		1955	$self->deactivate_recursive; # just to be sure
1492	unless (eval {	1956	unless (eval {
1493		1957	$self->goto ($slaying, $hp, $sp);
1494	prepare_random_map $exit
1495	if $exit->slaying eq "/!";
1496
1497	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1498	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1499		1958
1500	1;	1959	1;
1501	}) {	1960	}) {
1502	$self->message ("Something went wrong deep within the crossfire server. "	1961	$self->message ("Something went wrong deep within the crossfire server. "
1503	. "I'll try to bring you back to the map you were before. "	1962	. "I'll try to bring you back to the map you were before. "
1504	. "Please report this to the dungeon master",	1963	. "Please report this to the dungeon master!",
1505	cf::NDI_UNIQUE | cf::NDI_RED);	1964	cf::NDI_UNIQUE | cf::NDI_RED);
1506		1965
1507	warn "ERROR in enter_exit: $@";	1966	warn "ERROR in enter_exit: $@";
1508	$self->leave_link;	1967	$self->leave_link;
1509	}	1968	}
…		…
1560	on_reply => sub {	2019	on_reply => sub {
1561	my ($ns, $msg) = @_;	2020	my ($ns, $msg) = @_;
1562		2021
1563	# this weird shuffling is so that direct followup queries	2022	# this weird shuffling is so that direct followup queries
1564	# get handled first	2023	# get handled first
1565	my $queue = delete $ns->{query_queue};	2024	my $queue = delete $ns->{query_queue}
		2025	or return; # be conservative, not sure how that can happen, but we saw a crash here
1566		2026
1567	(shift @$queue)->[1]->($msg);	2027	(shift @$queue)->[1]->($msg);
		2028	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1568		2029
1569	push @{ $ns->{query_queue} }, @$queue;	2030	push @{ $ns->{query_queue} }, @$queue;
1570		2031
1571	if (@{ $ns->{query_queue} } == @$queue) {	2032	if (@{ $ns->{query_queue} } == @$queue) {
1572	if (@$queue) {	2033	if (@$queue) {
…		…
1576	}	2037	}
1577	}	2038	}
1578	},	2039	},
1579	);	2040	);
1580		2041
1581	=item $client->coro (\&cb)	2042	=item $client->async (\&cb)
1582		2043
1583	Create a new coroutine, running the specified callback. The coroutine will	2044	Create a new coroutine, running the specified callback. The coroutine will
1584	be automatically cancelled when the client gets destroyed (e.g. on logout,	2045	be automatically cancelled when the client gets destroyed (e.g. on logout,
1585	or loss of connection).	2046	or loss of connection).
1586		2047
1587	=cut	2048	=cut
1588		2049
1589	sub cf::client::coro {	2050	sub cf::client::async {
1590	my ($self, $cb) = @_;	2051	my ($self, $cb) = @_;
1591		2052
1592	my $coro; $coro = async {	2053	my $coro = &Coro::async ($cb);
1593	eval {
1594	$cb->();
1595	};
1596	warn $@ if $@;
1597	};
1598		2054
1599	$coro->on_destroy (sub {	2055	$coro->on_destroy (sub {
1600	delete $self->{_coro}{$coro+0};	2056	delete $self->{_coro}{$coro+0};
1601	});	2057	});
1602		2058
…		…
1738	The parameter C<$family> should best start with the name of the extension	2194	The parameter C<$family> should best start with the name of the extension
1739	using it, it should be unique.	2195	using it, it should be unique.
1740		2196
1741	=over 4	2197	=over 4
1742		2198
1743	=item $hashref = cf::db_get $family
1744
1745	Return a hashref for use by the extension C<$family>, which can be
1746	modified. After modifications, you have to call C<cf::db_dirty> or
1747	C<cf::db_sync>.
1748
1749	=item $value = cf::db_get $family => $key	2199	=item $value = cf::db_get $family => $key
1750		2200
1751	Returns a single value from the database	2201	Returns a single value from the database.
1752
1753	=item cf::db_put $family => $hashref
1754
1755	Stores the given family hashref into the database. Updates are delayed, if
1756	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1757		2202
1758	=item cf::db_put $family => $key => $value	2203	=item cf::db_put $family => $key => $value
1759		2204
1760	Stores the given C<$value> in the family hash. Updates are delayed, if you	2205	Stores the given C<$value> in the family.
1761	want the data to be synced to disk immediately, use C<cf::db_sync>.
1762
1763	=item cf::db_dirty
1764
1765	Marks the database as dirty, to be updated at a later time.
1766
1767	=item cf::db_sync
1768
1769	Immediately write the database to disk I<if it is dirty>.
1770		2206
1771	=cut	2207	=cut
1772		2208
1773	our $DB;	2209	our $DB;
1774		2210
1775	{	2211	sub db_init {
		2212	unless ($DB) {
		2213	$DB = BDB::db_create $DB_ENV;
		2214
		2215	cf::sync_job {
		2216	eval {
		2217	$DB->set_flags (BDB::CHKSUM);
		2218
		2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2221	cf::cleanup "db_open(db): $!" if $!;
		2222	};
		2223	cf::cleanup "db_open(db): $@" if $@;
		2224	};
		2225
1776	my $path = cf::localdir . "/database.pst";	2226	my $path = cf::localdir . "/database.pst";
		2227	if (stat $path) {
		2228	cf::sync_job {
		2229	my $pst = Storable::retrieve $path;
1777		2230
1778	sub db_load() {	2231	cf::db_put (board => data => $pst->{board});
1779	warn "loading database $path\n";#d# remove later	2232	cf::db_put (guildrules => data => $pst->{guildrules});
1780	$DB = stat $path ? Storable::retrieve $path : { };	2233	cf::db_put (rent => balance => $pst->{rent}{balance});
1781	}	2234	BDB::db_env_txn_checkpoint $DB_ENV;
1782		2235
1783	my $pid;	2236	unlink $path;
1784
1785	sub db_save() {
1786	warn "saving database $path\n";#d# remove later
1787	waitpid $pid, 0 if $pid;
1788	if (0 == ($pid = fork)) {
1789	$DB->{_meta}{version} = 1;
1790	Storable::nstore $DB, "$path~";
1791	rename "$path~", $path;
1792	cf::_exit 0 if defined $pid;
1793	}	2237	};
1794	}
1795
1796	my $dirty;
1797
1798	sub db_sync() {
1799	db_save if $dirty;
1800	undef $dirty;
1801	}
1802
1803	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1804	db_sync;
1805	});
1806
1807	sub db_dirty() {
1808	$dirty = 1;
1809	$idle->start;
1810	}
1811
1812	sub db_get($;$) {
1813	@_ >= 2
1814	? $DB->{$_[0]}{$_[1]}
1815	: ($DB->{$_[0]} ||= { })
1816	}
1817
1818	sub db_put($$;$) {
1819	if (@_ >= 3) {
1820	$DB->{$_[0]}{$_[1]} = $_[2];
1821	} else {
1822	$DB->{$_[0]} = $_[1];
1823	}
1824	db_dirty;
1825	}
1826
1827	cf::global->attach (
1828	prio => 10000,
1829	on_cleanup => sub {
1830	db_sync;
1831	},	2238	}
1832	);	2239	}
		2240	}
		2241
		2242	sub db_get($$) {
		2243	my $key = "$_[0]/$_[1]";
		2244
		2245	cf::sync_job {
		2246	BDB::db_get $DB, undef, $key, my $data;
		2247
		2248	$! ? ()
		2249	: Compress::LZF::sthaw $data
		2250	}
		2251	}
		2252
		2253	sub db_put($$$) {
		2254	BDB::dbreq_pri 4;
		2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1833	}	2256	}
1834		2257
1835	#############################################################################	2258	#############################################################################
1836	# the server's main()	2259	# the server's init and main functions
		2260
		2261	sub load_resources {
		2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2263	or die "unable to load regions file\n";#d#
		2264	}
1837		2265
1838	sub cfg_load {	2266	sub cfg_load {
1839	open my $fh, "<:utf8", cf::confdir . "/config"	2267	open my $fh, "<:utf8", cf::confdir . "/config"
1840	or return;	2268	or return;
1841		2269
1842	local $/;	2270	local $/;
1843	*CFG = YAML::Syck::Load <$fh>;	2271	*CFG = YAML::Syck::Load <$fh>;
		2272
		2273	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2274
		2275	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2276	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2277
		2278	if (exists $CFG{mlockall}) {
		2279	eval {
		2280	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2281	and die "WARNING: m(un)lockall failed: $!\n";
		2282	};
		2283	warn $@ if $@;
		2284	}
		2285	}
		2286
		2287	sub init {
		2288	load_resources;
1844	}	2289	}
1845		2290
1846	sub main {	2291	sub main {
1847	# we must not ever block the main coroutine	2292	# we must not ever block the main coroutine
1848	local $Coro::idle = sub {	2293	local $Coro::idle = sub {
1849	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2294	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1850	(Coro::unblock_sub {	2295	(async {
1851	Event::one_event;	2296	Event::one_event;
1852	})->();	2297	})->prio (Coro::PRIO_MAX);
1853	};	2298	};
1854		2299
1855	cfg_load;	2300	cfg_load;
1856	db_load;	2301	db_init;
1857	load_extensions;	2302	load_extensions;
		2303
		2304	$TICK_WATCHER->start;
1858	Event::loop;	2305	Event::loop;
1859	}	2306	}
1860		2307
1861	#############################################################################	2308	#############################################################################
1862	# initialisation	2309	# initialisation and cleanup
		2310
		2311	# install some emergency cleanup handlers
		2312	BEGIN {
		2313	for my $signal (qw(INT HUP TERM)) {
		2314	Event->signal (
		2315	reentrant => 0,
		2316	data => WF_AUTOCANCEL,
		2317	signal => $signal,
		2318	prio => 0,
		2319	cb => sub {
		2320	cf::cleanup "SIG$signal";
		2321	},
		2322	);
		2323	}
		2324	}
		2325
		2326	sub emergency_save() {
		2327	my $freeze_guard = cf::freeze_mainloop;
		2328
		2329	warn "enter emergency perl save\n";
		2330
		2331	cf::sync_job {
		2332	# use a peculiar iteration method to avoid tripping on perl
		2333	# refcount bugs in for. also avoids problems with players
		2334	# and maps saved/destroyed asynchronously.
		2335	warn "begin emergency player save\n";
		2336	for my $login (keys %cf::PLAYER) {
		2337	my $pl = $cf::PLAYER{$login} or next;
		2338	$pl->valid or next;
		2339	$pl->save;
		2340	}
		2341	warn "end emergency player save\n";
		2342
		2343	warn "begin emergency map save\n";
		2344	for my $path (keys %cf::MAP) {
		2345	my $map = $cf::MAP{$path} or next;
		2346	$map->valid or next;
		2347	$map->save;
		2348	}
		2349	warn "end emergency map save\n";
		2350
		2351	warn "begin emergency database checkpoint\n";
		2352	BDB::db_env_txn_checkpoint $DB_ENV;
		2353	warn "end emergency database checkpoint\n";
		2354	};
		2355
		2356	warn "leave emergency perl save\n";
		2357	}
		2358
		2359	sub post_cleanup {
		2360	my ($make_core) = @_;
		2361
		2362	warn Carp::longmess "post_cleanup backtrace"
		2363	if $make_core;
		2364	}
1863		2365
1864	sub reload() {	2366	sub reload() {
1865	# can/must only be called in main	2367	# can/must only be called in main
1866	if ($Coro::current != $Coro::main) {	2368	if ($Coro::current != $Coro::main) {
1867	warn "can only reload from main coroutine\n";	2369	warn "can only reload from main coroutine";
1868	return;	2370	return;
1869	}	2371	}
1870		2372
1871	warn "reloading...";	2373	warn "reloading...";
1872		2374
1873	local $FREEZE = 1;	2375	warn "entering sync_job";
		2376
		2377	cf::sync_job {
		2378	cf::write_runtime; # external watchdog should not bark
1874	cf::emergency_save;	2379	cf::emergency_save;
		2380	cf::write_runtime; # external watchdog should not bark
1875		2381
1876	eval {	2382	warn "syncing database to disk";
		2383	BDB::db_env_txn_checkpoint $DB_ENV;
		2384
1877	# if anything goes wrong in here, we should simply crash as we already saved	2385	# if anything goes wrong in here, we should simply crash as we already saved
1878		2386
1879	# cancel all watchers	2387	warn "cancelling all WF_AUTOCANCEL watchers";
1880	for (Event::all_watchers) {	2388	for (Event::all_watchers) {
1881	$_->cancel if $_->data & WF_AUTOCANCEL;	2389	$_->cancel if $_->data & WF_AUTOCANCEL;
1882	}	2390	}
1883		2391
		2392	warn "flushing outstanding aio requests";
		2393	for (;;) {
		2394	BDB::flush;
		2395	IO::AIO::flush;
		2396	Coro::cede;
		2397	last unless IO::AIO::nreqs || BDB::nreqs;
		2398	warn "iterate...";
		2399	}
		2400
1884	# cancel all extension coros	2401	warn "cancelling all extension coros";
1885	$_->cancel for values %EXT_CORO;	2402	$_->cancel for values %EXT_CORO;
1886	%EXT_CORO = ();	2403	%EXT_CORO = ();
1887		2404
1888	# unload all extensions	2405	warn "removing commands";
1889	for (@exts) {	2406	%COMMAND = ();
		2407
		2408	warn "removing ext commands";
		2409	%EXTCMD = ();
		2410
		2411	warn "unloading/nuking all extensions";
		2412	for my $pkg (@EXTS) {
1890	warn "unloading <$_>";	2413	warn "... unloading $pkg";
1891	unload_extension $_;	2414
		2415	if (my $cb = $pkg->can ("unload")) {
		2416	eval {
		2417	$cb->($pkg);
		2418	1
		2419	} or warn "$pkg unloaded, but with errors: $@";
1892	}	2420	}
1893		2421
		2422	warn "... nuking $pkg";
		2423	Symbol::delete_package $pkg;
		2424	}
		2425
1894	# unload all modules loaded from $LIBDIR	2426	warn "unloading all perl modules loaded from $LIBDIR";
1895	while (my ($k, $v) = each %INC) {	2427	while (my ($k, $v) = each %INC) {
1896	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2428	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1897		2429
1898	warn "removing <$k>";	2430	warn "... unloading $k";
1899	delete $INC{$k};	2431	delete $INC{$k};
1900		2432
1901	$k =~ s/\.pm$//;	2433	$k =~ s/\.pm$//;
1902	$k =~ s/\//::/g;	2434	$k =~ s/\//::/g;
1903		2435
…		…
1906	}	2438	}
1907		2439
1908	Symbol::delete_package $k;	2440	Symbol::delete_package $k;
1909	}	2441	}
1910		2442
1911	# sync database to disk
1912	cf::db_sync;
1913	IO::AIO::flush;
1914
1915	# get rid of safe::, as good as possible	2443	warn "getting rid of safe::, as good as possible";
1916	Symbol::delete_package "safe::$_"	2444	Symbol::delete_package "safe::$_"
1917	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2445	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1918		2446
1919	# remove register_script_function callbacks
1920	# TODO
1921
1922	# unload cf.pm "a bit"	2447	warn "unloading cf.pm \"a bit\"";
1923	delete $INC{"cf.pm"};	2448	delete $INC{"cf.pm"};
1924		2449
1925	# don't, removes xs symbols, too,	2450	# don't, removes xs symbols, too,
1926	# and global variables created in xs	2451	# and global variables created in xs
1927	#Symbol::delete_package __PACKAGE__;	2452	#Symbol::delete_package __PACKAGE__;
1928		2453
1929	# reload cf.pm	2454	warn "unload completed, starting to reload now";
		2455
1930	warn "reloading cf.pm";	2456	warn "reloading cf.pm";
1931	require cf;	2457	require cf;
1932	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2458	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1933		2459
1934	# load config and database again	2460	warn "loading config and database again";
1935	cf::cfg_load;	2461	cf::cfg_load;
1936	cf::db_load;
1937		2462
1938	# load extensions
1939	warn "load extensions";	2463	warn "loading extensions";
1940	cf::load_extensions;	2464	cf::load_extensions;
1941		2465
1942	# reattach attachments to objects	2466	warn "reattaching attachments to objects/players";
1943	warn "reattach";
1944	_global_reattach;	2467	_global_reattach;
1945	};	2468	warn "reattaching attachments to maps";
		2469	reattach $_ for values %MAP;
1946		2470
1947	if ($@) {	2471	warn "loading reloadable resources";
		2472	load_resources;
		2473
		2474	warn "leaving sync_job";
		2475
		2476	1
		2477	} or do {
1948	warn $@;	2478	warn $@;
1949	warn "error while reloading, exiting.";	2479	warn "error while reloading, exiting.";
1950	exit 1;	2480	exit 1;
1951	}	2481	};
1952		2482
1953	warn "reloaded successfully";	2483	warn "reloaded";
1954	};	2484	};
1955		2485
1956	#############################################################################	2486	our $RELOAD_WATCHER; # used only during reload
1957
1958	unless ($LINK_MAP) {
1959	$LINK_MAP = cf::map::new;
1960
1961	$LINK_MAP->width (41);
1962	$LINK_MAP->height (41);
1963	$LINK_MAP->alloc;
1964	$LINK_MAP->path ("{link}");
1965	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1966	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1967
1968	# dirty hack because... archetypes are not yet loaded
1969	Event->timer (
1970	after => 2,
1971	cb => sub {
1972	$_[0]->w->cancel;
1973
1974	# provide some exits "home"
1975	my $exit = cf::object::new "exit";
1976
1977	$exit->slaying ($EMERGENCY_POSITION->[0]);
1978	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
1979	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
1980
1981	$LINK_MAP->insert ($exit->clone, 19, 19);
1982	$LINK_MAP->insert ($exit->clone, 19, 20);
1983	$LINK_MAP->insert ($exit->clone, 19, 21);
1984	$LINK_MAP->insert ($exit->clone, 20, 19);
1985	$LINK_MAP->insert ($exit->clone, 20, 21);
1986	$LINK_MAP->insert ($exit->clone, 21, 19);
1987	$LINK_MAP->insert ($exit->clone, 21, 20);
1988	$LINK_MAP->insert ($exit->clone, 21, 21);
1989
1990	$exit->destroy;
1991	});
1992
1993	$LINK_MAP->{deny_save} = 1;
1994	$LINK_MAP->{deny_reset} = 1;
1995
1996	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1997	}
1998
1999	register "<global>", __PACKAGE__;
2000		2487
2001	register_command "reload" => sub {	2488	register_command "reload" => sub {
2002	my ($who, $arg) = @_;	2489	my ($who, $arg) = @_;
2003		2490
2004	if ($who->flag (FLAG_WIZ)) {	2491	if ($who->flag (FLAG_WIZ)) {
2005	$who->message ("start of reload.");	2492	$who->message ("reloading server.");
		2493
		2494	# doing reload synchronously and two reloads happen back-to-back,
		2495	# coro crashes during coro_state_free->destroy here.
		2496
		2497	$RELOAD_WATCHER ||= Event->timer (
		2498	reentrant => 0,
		2499	after => 0,
		2500	data => WF_AUTOCANCEL,
		2501	cb => sub {
2006	reload;	2502	reload;
2007	$who->message ("end of reload.");	2503	undef $RELOAD_WATCHER;
		2504	},
		2505	);
2008	}	2506	}
2009	};	2507	};
2010		2508
2011	unshift @INC, $LIBDIR;	2509	unshift @INC, $LIBDIR;
		2510
		2511	my $bug_warning = 0;
2012		2512
2013	$TICK_WATCHER = Event->timer (	2513	$TICK_WATCHER = Event->timer (
2014	reentrant => 0,	2514	reentrant => 0,
		2515	parked => 1,
2015	prio => 0,	2516	prio => 0,
2016	at => $NEXT_TICK || $TICK,	2517	at => $NEXT_TICK || $TICK,
2017	data => WF_AUTOCANCEL,	2518	data => WF_AUTOCANCEL,
2018	cb => sub {	2519	cb => sub {
2019	unless ($FREEZE) {	2520	if ($Coro::current != $Coro::main) {
		2521	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2522	unless ++$bug_warning > 10;
		2523	return;
		2524	}
		2525
		2526	$NOW = Event::time;
		2527
2020	cf::server_tick; # one server iteration	2528	cf::server_tick; # one server iteration
2021	$RUNTIME += $TICK;	2529	$RUNTIME += $TICK;
2022	}
2023
2024	$NEXT_TICK += $TICK;	2530	$NEXT_TICK += $TICK;
		2531
		2532	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2533	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2534	Coro::async_pool {
		2535	write_runtime
		2536	or warn "ERROR: unable to write runtime file: $!";
		2537	};
		2538	}
		2539
		2540
		2541	$WAIT_FOR_TICK->broadcast;
		2542	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2543
		2544	# my $AFTER = Event::time;
		2545	# warn $AFTER - $NOW;#d#
2025		2546
2026	# if we are delayed by four ticks or more, skip them all	2547	# if we are delayed by four ticks or more, skip them all
2027	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2548	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2028		2549
2029	$TICK_WATCHER->at ($NEXT_TICK);	2550	$TICK_WATCHER->at ($NEXT_TICK);
2030	$TICK_WATCHER->start;	2551	$TICK_WATCHER->start;
2031	},	2552	},
2032	);	2553	);
2033		2554
		2555	{
2034	IO::AIO::max_poll_time $TICK * 0.2;	2556	BDB::max_poll_time $TICK * 0.1;
2035		2557	$BDB_POLL_WATCHER = Event->io (
2036	Event->io (	2558	reentrant => 0,
2037	fd => IO::AIO::poll_fileno,	2559	fd => BDB::poll_fileno,
2038	poll => 'r',	2560	poll => 'r',
2039	prio => 5,	2561	prio => 0,
2040	data => WF_AUTOCANCEL,
2041	cb => \&IO::AIO::poll_cb,
2042	);
2043
2044	Event->timer (
2045	data => WF_AUTOCANCEL,	2562	data => WF_AUTOCANCEL,
2046	after => 0,	2563	cb => \&BDB::poll_cb,
2047	interval => 10,	2564	);
2048	cb => sub {	2565	BDB::min_parallel 8;
2049	(Coro::unblock_sub {	2566
2050	write_runtime	2567	BDB::set_sync_prepare {
2051	or warn "ERROR: unable to write runtime file: $!";	2568	my $status;
		2569	my $current = $Coro::current;
		2570	(
		2571	sub {
		2572	$status = $!;
		2573	$current->ready; undef $current;
		2574	},
		2575	sub {
		2576	Coro::schedule while defined $current;
		2577	$! = $status;
		2578	},
		2579	)
		2580	};
		2581
		2582	unless ($DB_ENV) {
		2583	$DB_ENV = BDB::db_env_create;
		2584
		2585	cf::sync_job {
		2586	eval {
		2587	BDB::db_env_open
		2588	$DB_ENV,
		2589	$BDB_ENV_DIR,
		2590	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2591	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2592	0666;
		2593
		2594	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2595
		2596	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2597	$DB_ENV->set_lk_detect;
		2598	};
		2599
		2600	cf::cleanup "db_env_open(db): $@" if $@;
2052	})->();	2601	};
2053	},	2602	}
2054	);	2603	}
		2604
		2605	{
		2606	IO::AIO::min_parallel 8;
		2607
		2608	undef $Coro::AIO::WATCHER;
		2609	IO::AIO::max_poll_time $TICK * 0.1;
		2610	$AIO_POLL_WATCHER = Event->io (
		2611	reentrant => 0,
		2612	data => WF_AUTOCANCEL,
		2613	fd => IO::AIO::poll_fileno,
		2614	poll => 'r',
		2615	prio => 6,
		2616	cb => \&IO::AIO::poll_cb,
		2617	);
		2618	}
		2619
		2620	END { cf::emergency_save }
2055		2621
2056	1	2622	1
2057		2623

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