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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.123 by root, Tue Jan 2 19:18:33 2007 UTC vs.
Revision 1.223 by root, Sun Mar 11 02:12:44 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3;	13	use Coro 3.5 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use BDB ();
		21	use Data::Dumper;
20	use Digest::MD5;	22	use Digest::MD5;
21	use Fcntl;	23	use Fcntl;
22	use IO::AIO 2.31 ();	24	use IO::AIO 2.32 ();
23	use YAML::Syck ();	25	use YAML::Syck ();
24	use Time::HiRes;	26	use Time::HiRes;
		27	use Compress::LZF;
		28
		29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
25		30
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
		32
		33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
27		34
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	36	$YAML::Syck::ImplicitUnicode = 1;
30		37
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		39
35	our %COMMAND = ();	40	our %COMMAND = ();
36	our %COMMAND_TIME = ();	41	our %COMMAND_TIME = ();
		42
		43	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	44	our %EXTCMD = ();
		45	our %EXT_CORO = (); # coroutines bound to extensions
		46	our %EXT_MAP = (); # pluggable maps
38		47
		48	our $RELOAD; # number of reloads so far
39	our @EVENT;	49	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	50	our $LIBDIR = datadir . "/ext";
41		51
42	our $TICK = MAX_TIME * 1e-6;	52	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	53	our $TICK_WATCHER;
		54	our $AIO_POLL_WATCHER;
		55	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	56	our $NEXT_TICK;
45	our $NOW;	57	our $NOW;
		58	our $USE_FSYNC = 1; # use fsync to write maps - default off
		59
		60	our $BDB_POLL_WATCHER;
		61	our $DB_ENV;
46		62
47	our %CFG;	63	our %CFG;
48		64
49	our $UPTIME; $UPTIME ||= time;	65	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	66	our $RUNTIME;
51		67
		68	our %PLAYER; # all users
52	our %MAP; # all maps	69	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	70	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	71	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	72	our $BDB_ENV_DIR = cf::localdir . "/db";
		73
		74	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		75	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		76
		77	# used to convert map paths into valid unix filenames by replacing / by ∕
		78	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		79
58	binmode STDOUT;	80	binmode STDOUT;
59	binmode STDERR;	81	binmode STDERR;
60		82
61	# read virtual server time, if available	83	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	90	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	91	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	92	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	93	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	94	mkdir $RANDOM_MAPS;
		95	mkdir $BDB_ENV_DIR;
73		96
74	# a special map that is always available	97	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		98
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	99	sub cf::map::normalise;
78		100
79	#############################################################################	101	#############################################################################
80		102
81	=head2 GLOBAL VARIABLES	103	=head2 GLOBAL VARIABLES
82		104
…		…
106		128
107	=item %cf::CFG	129	=item %cf::CFG
108		130
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	131	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	132	from wherever your confdir points to.
		133
		134	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		135
		136	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		137	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		138	processing has been done. Call C<< ->wait >> on them to maximise the
		139	window of cpu time available, or simply to synchronise to the server tick.
111		140
112	=back	141	=back
113		142
114	=cut	143	=cut
115		144
…		…
119	utf8::encode $msg;	148	utf8::encode $msg;
120		149
121	$msg .= "\n"	150	$msg .= "\n"
122	unless $msg =~ /\n$/;	151	unless $msg =~ /\n$/;
123		152
124	LOG llevError, "cfperl: $msg";	153	LOG llevError, $msg;
125	};	154	};
126	}	155	}
127		156
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	157	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	158	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		176
148	$Event::DIED = sub {	177	$Event::DIED = sub {
149	warn "error in event callback: @_";	178	warn "error in event callback: @_";
150	};	179	};
151		180
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	181	=head2 UTILITY FUNCTIONS
157		182
158	=over 4	183	=over 4
159		184
		185	=item dumpval $ref
		186
160	=cut	187	=cut
		188
		189	sub dumpval {
		190	eval {
		191	local $SIG{__DIE__};
		192	my $d;
		193	if (1) {
		194	$d = new Data::Dumper([$_[0]], ["*var"]);
		195	$d->Terse(1);
		196	$d->Indent(2);
		197	$d->Quotekeys(0);
		198	$d->Useqq(1);
		199	#$d->Bless(...);
		200	$d->Seen($_[1]) if @_ > 1;
		201	$d = $d->Dump();
		202	}
		203	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		204	$d
		205	} || "[unable to dump $_[0]: '$@']";
		206	}
161		207
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	208	use JSON::Syck (); # TODO# replace by JSON::PC once working
163		209
164	=item $ref = cf::from_json $json	210	=item $ref = cf::from_json $json
165		211
…		…
181	sub to_json($) {	227	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	228	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	229	JSON::Syck::Dump $_[0]
184	}	230	}
185		231
186	=item my $guard = cf::guard { BLOCK }
187
188	Run the given callback when the guard object gets destroyed (useful for
189	coroutine cancellations).
190
191	You can call C<< ->cancel >> on the guard object to stop the block from
192	being executed.
193
194	=cut
195
196	sub guard(&) {
197	bless \(my $cb = $_[0]), cf::guard::;
198	}
199
200	sub cf::guard::cancel {
201	${$_[0]} = sub { };
202	}
203
204	sub cf::guard::DESTROY {
205	${$_[0]}->();
206	}
207
208	=item cf::lock_wait $string	232	=item cf::lock_wait $string
209		233
210	Wait until the given lock is available. See cf::lock_acquire.	234	Wait until the given lock is available. See cf::lock_acquire.
211		235
212	=item my $lock = cf::lock_acquire $string	236	=item my $lock = cf::lock_acquire $string
213		237
214	Wait until the given lock is available and then acquires it and returns	238	Wait until the given lock is available and then acquires it and returns
215	a guard object. If the guard object gets destroyed (goes out of scope,	239	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
216	for example when the coroutine gets canceled), the lock is automatically	240	for example when the coroutine gets canceled), the lock is automatically
217	returned.	241	returned.
218		242
219	Lock names should begin with a unique identifier (for example, find_map	243	Lock names should begin with a unique identifier (for example, cf::map::find
220	uses map_find and load_map uses map_load).	244	uses map_find and cf::map::load uses map_load).
221		245
222	=cut	246	=cut
223		247
224	our %LOCK;	248	our %LOCK;
225		249
…		…
239	# wait, to be sure we are not locked	263	# wait, to be sure we are not locked
240	lock_wait $key;	264	lock_wait $key;
241		265
242	$LOCK{$key} = [];	266	$LOCK{$key} = [];
243		267
244	cf::guard {	268	Coro::guard {
245	# wake up all waiters, to be on the safe side	269	# wake up all waiters, to be on the safe side
246	$_->ready for @{ delete $LOCK{$key} };	270	$_->ready for @{ delete $LOCK{$key} };
247	}	271	}
248	}	272	}
		273
		274	sub freeze_mainloop {
		275	return unless $TICK_WATCHER->is_active;
		276
		277	my $guard = Coro::guard {
		278	$TICK_WATCHER->start;
		279	};
		280	$TICK_WATCHER->stop;
		281	$guard
		282	}
		283
		284	=item cf::async { BLOCK }
		285
		286	Currently the same as Coro::async_pool, meaning you cannot use
		287	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		288	thing you are allowed to do is call C<prio> on it.
		289
		290	=cut
		291
		292	BEGIN { *async = \&Coro::async_pool }
249		293
250	=item cf::sync_job { BLOCK }	294	=item cf::sync_job { BLOCK }
251		295
252	The design of crossfire+ requires that the main coro ($Coro::main) is	296	The design of crossfire+ requires that the main coro ($Coro::main) is
253	always able to handle events or runnable, as crossfire+ is only partly	297	always able to handle events or runnable, as crossfire+ is only partly
…		…
267	# this is the main coro, too bad, we have to block	311	# this is the main coro, too bad, we have to block
268	# till the operation succeeds, freezing the server :/	312	# till the operation succeeds, freezing the server :/
269		313
270	# TODO: use suspend/resume instead	314	# TODO: use suspend/resume instead
271	# (but this is cancel-safe)	315	# (but this is cancel-safe)
272	local $FREEZE = 1;	316	my $freeze_guard = freeze_mainloop;
273		317
274	my $busy = 1;	318	my $busy = 1;
275	my @res;	319	my @res;
276		320
277	(Coro::async {	321	(async {
278	@res = eval { $job->() };	322	@res = eval { $job->() };
279	warn $@ if $@;	323	warn $@ if $@;
280	undef $busy;	324	undef $busy;
281	})->prio (Coro::PRIO_MAX);	325	})->prio (Coro::PRIO_MAX);
282		326
283	while ($busy) {	327	while ($busy) {
284	Coro::cede_notself;	328	Coro::cede or Event::one_event;
285	Event::one_event unless Coro::nready;
286	}	329	}
287		330
288	wantarray ? @res : $res[0]	331	wantarray ? @res : $res[0]
289	} else {	332	} else {
290	# we are in another coroutine, how wonderful, everything just works	333	# we are in another coroutine, how wonderful, everything just works
291		334
292	$job->()	335	$job->()
293	}	336	}
294	}	337	}
295		338
296	=item $coro = cf::coro { BLOCK }	339	=item $coro = cf::async_ext { BLOCK }
297		340
298	Creates and returns a new coro. This coro is automcatially being canceled	341	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	342	extension calling this is being unloaded.
300		343
301	=cut	344	=cut
302		345
303	sub coro(&) {	346	sub async_ext(&) {
304	my $cb = shift;	347	my $cb = shift;
305		348
306	my $coro; $coro = async {	349	my $coro = &Coro::async ($cb);
307	eval {
308	$cb->();
309	};
310	warn $@ if $@;
311	};
312		350
313	$coro->on_destroy (sub {	351	$coro->on_destroy (sub {
314	delete $EXT_CORO{$coro+0};	352	delete $EXT_CORO{$coro+0};
315	});	353	});
316	$EXT_CORO{$coro+0} = $coro;	354	$EXT_CORO{$coro+0} = $coro;
317		355
318	$coro	356	$coro
319	}	357	}
320		358
321	sub write_runtime {	359	sub write_runtime {
		360	my $guard = cf::lock_acquire "write_runtime";
		361
322	my $runtime = cf::localdir . "/runtime";	362	my $runtime = cf::localdir . "/runtime";
323		363
324	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
325	or return;	365	or return;
326		366
		367	my $value = $cf::RUNTIME + 90 + 10;
327	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	368	# 10 is the runtime save interval, for a monotonic clock
		369	# 60 allows for the watchdog to kill the server.
		370
328	(aio_write $fh, 0, (length $value), $value, 0) <= 0	371	(aio_write $fh, 0, (length $value), $value, 0) <= 0
329	and return;	372	and return;
330		373
		374	# always fsync - this file is important
331	aio_fsync $fh	375	aio_fsync $fh
332	and return;	376	and return;
333		377
334	close $fh	378	close $fh
335	or return;	379	or return;
…		…
341	}	385	}
342		386
343	=back	387	=back
344		388
345	=cut	389	=cut
346
347	#############################################################################
348
349	package cf::path;
350
351	sub new {
352	my ($class, $path, $base) = @_;
353
354	$path = $path->as_string if ref $path;
355
356	my $self = bless { }, $class;
357
358	# {... are special paths that are not touched
359	# ?xxx/... are special absolute paths
360	# ?random/... random maps
361	# /! non-realised random map exit
362	# /... normal maps
363	# ~/... per-player maps without a specific player (DO NOT USE)
364	# ~user/... per-player map of a specific user
365
366	if ($path =~ /^{/) {
367	# fine as it is
368	} elsif ($path =~ s{^\?random/}{}) {
369	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
370	$self->{random} = cf::from_json $data;
371	} else {
372	if ($path =~ s{^~([^/]+)?}{}) {
373	$self->{user_rel} = 1;
374
375	if (defined $1) {
376	$self->{user} = $1;
377	} elsif ($base =~ m{^~([^/]+)/}) {
378	$self->{user} = $1;
379	} else {
380	warn "cannot resolve user-relative path without user <$path,$base>\n";
381	}
382	} elsif ($path =~ /^\//) {
383	# already absolute
384	} else {
385	$base =~ s{[^/]+/?$}{};
386	return $class->new ("$base/$path");
387	}
388
389	for ($path) {
390	redo if s{/\.?/}{/};
391	redo if s{/[^/]+/\.\./}{/};
392	}
393	}
394
395	$self->{path} = $path;
396
397	$self
398	}
399
400	# the name / primary key / in-game path
401	sub as_string {
402	my ($self) = @_;
403
404	$self->{user_rel} ? "~$self->{user}$self->{path}"
405	: $self->{random} ? "?random/$self->{path}"
406	: $self->{path}
407	}
408
409	# the displayed name, this is a one way mapping
410	sub visible_name {
411	my ($self) = @_;
412
413	# if (my $rmp = $self->{random}) {
414	# # todo: be more intelligent about this
415	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
416	# } else {
417	$self->as_string
418	# }
419	}
420
421	# escape the /'s in the path
422	sub _escaped_path {
423	# ∕ is U+2215
424	(my $path = $_[0]{path}) =~ s/\//∕/g;
425	$path
426	}
427
428	# the original (read-only) location
429	sub load_path {
430	my ($self) = @_;
431
432	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
433	}
434
435	# the temporary/swap location
436	sub save_path {
437	my ($self) = @_;
438
439	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
440	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
441	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
442	}
443
444	# the unique path, might be eq to save_path
445	sub uniq_path {
446	my ($self) = @_;
447
448	$self->{user_rel} || $self->{random}
449	? undef
450	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
451	}
452
453	# return random map parameters, or undef
454	sub random_map_params {
455	my ($self) = @_;
456
457	$self->{random}
458	}
459
460	# this is somewhat ugly, but style maps do need special treatment
461	sub is_style_map {
462	$_[0]{path} =~ m{^/styles/}
463	}
464
465	package cf;
466		390
467	#############################################################################	391	#############################################################################
468		392
469	=head2 ATTACHABLE OBJECTS	393	=head2 ATTACHABLE OBJECTS
470		394
…		…
596	our @CB_TYPE = (); # registry for type (cf-object class) based events	520	our @CB_TYPE = (); # registry for type (cf-object class) based events
597	our @CB_MAP = ();	521	our @CB_MAP = ();
598		522
599	my %attachment;	523	my %attachment;
600		524
		525	sub cf::attachable::thawer_merge {
		526	# simply override everything except _meta
		527	local $_[0]{_meta};
		528	%{$_[0]} = %{$_[1]};
		529	}
		530
601	sub _attach_cb($$$$) {	531	sub _attach_cb($$$$) {
602	my ($registry, $event, $prio, $cb) = @_;	532	my ($registry, $event, $prio, $cb) = @_;
603		533
604	use sort 'stable';	534	use sort 'stable';
605		535
…		…
776	# object support	706	# object support
777		707
778	sub reattach {	708	sub reattach {
779	# basically do the same as instantiate, without calling instantiate	709	# basically do the same as instantiate, without calling instantiate
780	my ($obj) = @_;	710	my ($obj) = @_;
		711
		712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
781		713
782	my $registry = $obj->registry;	714	my $registry = $obj->registry;
783		715
784	@$registry = ();	716	@$registry = ();
785		717
…		…
832	$filename, length $$rdata, scalar @$objs;	764	$filename, length $$rdata, scalar @$objs;
833		765
834	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
835	chmod SAVE_MODE, $fh;	767	chmod SAVE_MODE, $fh;
836	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
837	aio_fsync $fh;	769	aio_fsync $fh if $cf::USE_FSYNC;
838	close $fh;	770	close $fh;
839		771
840	if (@$objs) {	772	if (@$objs) {
841	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
842	chmod SAVE_MODE, $fh;	774	chmod SAVE_MODE, $fh;
843	my $data = Storable::nfreeze { version => 1, objs => $objs };	775	my $data = Storable::nfreeze { version => 1, objs => $objs };
844	aio_write $fh, 0, (length $data), $data, 0;	776	aio_write $fh, 0, (length $data), $data, 0;
845	aio_fsync $fh;	777	aio_fsync $fh if $cf::USE_FSYNC;
846	close $fh;	778	close $fh;
847	aio_rename "$filename.pst~", "$filename.pst";	779	aio_rename "$filename.pst~", "$filename.pst";
848	}	780	}
849	} else {	781	} else {
850	aio_unlink "$filename.pst";	782	aio_unlink "$filename.pst";
…		…
917	=cut	849	=cut
918		850
919	sub register_extcmd {	851	sub register_extcmd {
920	my ($name, $cb) = @_;	852	my ($name, $cb) = @_;
921		853
922	my $caller = caller;
923	#warn "registering extcmd '$name' to '$caller'";
924
925	$EXTCMD{$name} = [$cb, $caller];	854	$EXTCMD{$name} = $cb;
926	}	855	}
927		856
928	cf::player->attach (	857	cf::player->attach (
929	on_command => sub {	858	on_command => sub {
930	my ($pl, $name, $params) = @_;	859	my ($pl, $name, $params) = @_;
…		…
943		872
944	my $msg = eval { from_json $buf };	873	my $msg = eval { from_json $buf };
945		874
946	if (ref $msg) {	875	if (ref $msg) {
947	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
948	if (my %reply = $cb->[0]->($pl, $msg)) {	877	if (my %reply = $cb->($pl, $msg)) {
949	$pl->ext_reply ($msg->{msgid}, %reply);	878	$pl->ext_reply ($msg->{msgid}, %reply);
950	}	879	}
951	}	880	}
952	} else {	881	} else {
953	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
955		884
956	cf::override;	885	cf::override;
957	},	886	},
958	);	887	);
959		888
960	sub register {
961	my ($base, $pkg) = @_;
962
963	#TODO
964	}
965
966	sub load_extension {	889	sub load_extension {
967	my ($path) = @_;	890	my ($path) = @_;
968		891
969	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
970	my $base = $1;	893	my $base = $1;
971	my $pkg = $1;	894	my $pkg = $1;
972	$pkg =~ s/[^[:word:]]/_/g;	895	$pkg =~ s/[^[:word:]]/_/g;
973	$pkg = "ext::$pkg";	896	$pkg = "ext::$pkg";
974		897
975	warn "loading '$path' into '$pkg'\n";	898	warn "... loading '$path' into '$pkg'\n";
976		899
977	open my $fh, "<:utf8", $path	900	open my $fh, "<:utf8", $path
978	or die "$path: $!";	901	or die "$path: $!";
979		902
980	my $source =	903	my $source =
981	"package $pkg; use strict; use utf8;\n"	904	"package $pkg; use strict; use utf8;\n"
982	. "#line 1 \"$path\"\n{\n"	905	. "#line 1 \"$path\"\n{\n"
983	. (do { local $/; <$fh> })	906	. (do { local $/; <$fh> })
984	. "\n};\n1";	907	. "\n};\n1";
985		908
986	eval $source	909	unless (eval $source) {
987	or die $@ ? "$path: $@\n"	910	my $msg = $@ ? "$path: $@\n"
988	: "extension disabled.\n";	911	: "extension disabled.\n";
989		912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
990	push @exts, $pkg;	913	warn $@;
991	$ext_pkg{$base} = $pkg;	914	warn "mandatory extension failed to load, exiting.\n";
992		915	exit 1;
993	# no strict 'refs';	916	}
994	# @{"$pkg\::ISA"} = ext::;	917	die $@;
995
996	register $base, $pkg;
997	}
998
999	sub unload_extension {
1000	my ($pkg) = @_;
1001
1002	warn "removing extension $pkg\n";
1003
1004	# remove hooks
1005	#TODO
1006	# for my $idx (0 .. $#PLUGIN_EVENT) {
1007	# delete $hook[$idx]{$pkg};
1008	# }	918	}
1009		919
1010	# remove commands	920	push @EXTS, $pkg;
1011	for my $name (keys %COMMAND) {
1012	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1013
1014	if (@cb) {
1015	$COMMAND{$name} = \@cb;
1016	} else {
1017	delete $COMMAND{$name};
1018	}
1019	}
1020
1021	# remove extcmds
1022	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1023	delete $EXTCMD{$name};
1024	}
1025
1026	if (my $cb = $pkg->can ("unload")) {
1027	eval {
1028	$cb->($pkg);
1029	1
1030	} or warn "$pkg unloaded, but with errors: $@";
1031	}
1032
1033	Symbol::delete_package $pkg;
1034	}	921	}
1035		922
1036	sub load_extensions {	923	sub load_extensions {
1037	for my $ext (<$LIBDIR/*.ext>) {	924	for my $ext (<$LIBDIR/*.ext>) {
1038	next unless -r $ext;	925	next unless -r $ext;
…		…
1042	} or warn "$ext not loaded: $@";	929	} or warn "$ext not loaded: $@";
1043	}	930	}
1044	}	931	}
1045		932
1046	#############################################################################	933	#############################################################################
1047	# load/save/clean perl data associated with a map
1048
1049	*cf::mapsupport::on_clean = sub {
1050	my ($map) = @_;
1051
1052	my $path = $map->tmpname;
1053	defined $path or return;
1054
1055	unlink "$path.pst";
1056	};
1057
1058	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1059
1060	#############################################################################
1061	# load/save perl data associated with player->ob objects
1062
1063	sub all_objects(@) {
1064	@_, map all_objects ($_->inv), @_
1065	}
1066
1067	# TODO: compatibility cruft, remove when no longer needed
1068	cf::player->attach (
1069	on_load => sub {
1070	my ($pl, $path) = @_;
1071
1072	for my $o (all_objects $pl->ob) {
1073	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1074	$o->set_ob_key_value ("_perl_data");
1075
1076	%$o = %{ Storable::thaw pack "H*", $value };
1077	}
1078	}
1079	},
1080	);
1081
1082	#############################################################################
1083		934
1084	=head2 CORE EXTENSIONS	935	=head2 CORE EXTENSIONS
1085		936
1086	Functions and methods that extend core crossfire objects.	937	Functions and methods that extend core crossfire objects.
1087		938
		939	=cut
		940
		941	package cf::player;
		942
		943	use Coro::AIO;
		944
1088	=head3 cf::player	945	=head3 cf::player
1089		946
1090	=over 4	947	=over 4
1091		948
1092	=item cf::player::exists $login	949	=item cf::player::find $login
1093		950
1094	Returns true when the given account exists.	951	Returns the given player object, loading it if necessary (might block).
1095		952
1096	=cut	953	=cut
1097		954
1098	sub cf::player::exists($) {	955	sub playerdir($) {
1099	cf::player::find $_[0]	956	cf::localdir
1100	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	957	. "/"
		958	. cf::playerdir
		959	. "/"
		960	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		961	}
		962
		963	sub path($) {
		964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		965
		966	(playerdir $login) . "/$login.pl"
		967	}
		968
		969	sub find_active($) {
		970	$cf::PLAYER{$_[0]}
		971	and $cf::PLAYER{$_[0]}->active
		972	and $cf::PLAYER{$_[0]}
		973	}
		974
		975	sub exists($) {
		976	my ($login) = @_;
		977
		978	$cf::PLAYER{$login}
		979	or cf::sync_job { !aio_stat path $login }
		980	}
		981
		982	sub find($) {
		983	return $cf::PLAYER{$_[0]} || do {
		984	my $login = $_[0];
		985
		986	my $guard = cf::lock_acquire "user_find:$login";
		987
		988	$cf::PLAYER{$_[0]} || do {
		989	my $pl = load_pl path $login
		990	or return;
		991	$cf::PLAYER{$login} = $pl
		992	}
		993	}
		994	}
		995
		996	sub save($) {
		997	my ($pl) = @_;
		998
		999	return if $pl->{deny_save};
		1000
		1001	my $path = path $pl;
		1002	my $guard = cf::lock_acquire "user_save:$path";
		1003
		1004	return if $pl->{deny_save};
		1005
		1006	aio_mkdir playerdir $pl, 0770;
		1007	$pl->{last_save} = $cf::RUNTIME;
		1008
		1009	$pl->save_pl ($path);
		1010	Coro::cede;
		1011	}
		1012
		1013	sub new($) {
		1014	my ($login) = @_;
		1015
		1016	my $self = create;
		1017
		1018	$self->ob->name ($login);
		1019	$self->{deny_save} = 1;
		1020
		1021	$cf::PLAYER{$login} = $self;
		1022
		1023	$self
		1024	}
		1025
		1026	=item $pl->quit_character
		1027
		1028	Nukes the player without looking back. If logged in, the connection will
		1029	be destroyed. May block for a long time.
		1030
		1031	=cut
		1032
		1033	sub quit_character {
		1034	my ($pl) = @_;
		1035
		1036	my $name = $pl->ob->name;
		1037
		1038	$pl->{deny_save} = 1;
		1039	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1040
		1041	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1042	$pl->deactivate;
		1043	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1044	$pl->ns->destroy if $pl->ns;
		1045
		1046	my $path = playerdir $pl;
		1047	my $temp = "$path~$cf::RUNTIME~deleting~";
		1048	aio_rename $path, $temp;
		1049	delete $cf::PLAYER{$pl->ob->name};
		1050	$pl->destroy;
		1051
		1052	my $prefix = qr<^~\Q$name\E/>;
		1053
		1054	# nuke player maps
		1055	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1056
		1057	IO::AIO::aio_rmtree $temp;
		1058	}
		1059
		1060	=item $pl->kick
		1061
		1062	Kicks a player out of the game. This destroys the connection.
		1063
		1064	=cut
		1065
		1066	sub kick {
		1067	my ($pl, $kicker) = @_;
		1068
		1069	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1070	$pl->killer ("kicked");
		1071	$pl->ns->destroy;
		1072	}
		1073
		1074	=item cf::player::list_logins
		1075
		1076	Returns am arrayref of all valid playernames in the system, can take a
		1077	while and may block, so not sync_job-capable, ever.
		1078
		1079	=cut
		1080
		1081	sub list_logins {
		1082	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1083	or return [];
		1084
		1085	my @logins;
		1086
		1087	for my $login (@$dirs) {
		1088	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1089	aio_read $fh, 0, 512, my $buf, 0 or next;
		1090	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1091
		1092	utf8::decode $login;
		1093	push @logins, $login;
		1094	}
		1095
		1096	\@logins
		1097	}
		1098
		1099	=item $player->maps
		1100
		1101	Returns an arrayref of map paths that are private for this
		1102	player. May block.
		1103
		1104	=cut
		1105
		1106	sub maps($) {
		1107	my ($pl) = @_;
		1108
		1109	$pl = ref $pl ? $pl->ob->name : $pl;
		1110
		1111	my $files = aio_readdir playerdir $pl
		1112	or return;
		1113
		1114	my @paths;
		1115
		1116	for (@$files) {
		1117	utf8::decode $_;
		1118	next if /\.(?:pl|pst)$/;
		1119	next unless /^$PATH_SEP/o;
		1120
		1121	push @paths, cf::map::normalise "~$pl/$_";
		1122	}
		1123
		1124	\@paths
1101	}	1125	}
1102		1126
1103	=item $player->ext_reply ($msgid, $msgtype, %msg)	1127	=item $player->ext_reply ($msgid, $msgtype, %msg)
1104		1128
1105	Sends an ext reply to the player.	1129	Sends an ext reply to the player.
1106		1130
1107	=cut	1131	=cut
1108		1132
1109	sub cf::player::ext_reply($$$%) {	1133	sub ext_reply($$$%) {
1110	my ($self, $id, %msg) = @_;	1134	my ($self, $id, %msg) = @_;
1111		1135
1112	$msg{msgid} = $id;	1136	$msg{msgid} = $id;
1113		1137
1114	$self->send ("ext " . to_json \%msg);	1138	$self->send ("ext " . cf::to_json \%msg);
1115	}	1139	}
		1140
		1141	package cf;
1116		1142
1117	=back	1143	=back
1118		1144
1119		1145
1120	=head3 cf::map	1146	=head3 cf::map
…		…
1126	package cf::map;	1152	package cf::map;
1127		1153
1128	use Fcntl;	1154	use Fcntl;
1129	use Coro::AIO;	1155	use Coro::AIO;
1130		1156
		1157	use overload
		1158	'""' => \&as_string,
		1159	fallback => 1;
		1160
1131	our $MAX_RESET = 7200;	1161	our $MAX_RESET = 3600;
1132	our $DEFAULT_RESET = 3600;	1162	our $DEFAULT_RESET = 3000;
1133		1163
1134	sub generate_random_map {	1164	sub generate_random_map {
1135	my ($path, $rmp) = @_;	1165	my ($self, $rmp) = @_;
1136
1137	# mit "rum" bekleckern, nicht	1166	# mit "rum" bekleckern, nicht
1138	cf::map::_create_random_map	1167	$self->_create_random_map (
1139	$path,
1140	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1168	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1141	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1169	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1142	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1170	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1143	$rmp->{exit_on_final_map},	1171	$rmp->{exit_on_final_map},
1144	$rmp->{xsize}, $rmp->{ysize},	1172	$rmp->{xsize}, $rmp->{ysize},
1145	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1173	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1146	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1174	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1147	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1175	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1148	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1176	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1149	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1177	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1150	(cf::region::find $rmp->{region})	1178	(cf::region::find $rmp->{region}), $rmp->{custom}
		1179	)
		1180	}
		1181
		1182	=item cf::map->register ($regex, $prio)
		1183
		1184	Register a handler for the map path matching the given regex at the
		1185	givne priority (higher is better, built-in handlers have priority 0, the
		1186	default).
		1187
		1188	=cut
		1189
		1190	sub register {
		1191	my (undef, $regex, $prio) = @_;
		1192	my $pkg = caller;
		1193
		1194	no strict;
		1195	push @{"$pkg\::ISA"}, __PACKAGE__;
		1196
		1197	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1198	}
		1199
		1200	# also paths starting with '/'
		1201	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1202
		1203	sub thawer_merge {
		1204	my ($self, $merge) = @_;
		1205
		1206	# we have to keep some variables in memory intact
		1207	local $self->{path};
		1208	local $self->{load_path};
		1209	local $self->{deny_save};
		1210	local $self->{deny_reset};
		1211
		1212	$self->SUPER::thawer_merge ($merge);
		1213	}
		1214
		1215	sub normalise {
		1216	my ($path, $base) = @_;
		1217
		1218	$path = "$path"; # make sure its a string
		1219
		1220	$path =~ s/\.map$//;
		1221
		1222	# map plan:
		1223	#
		1224	# /! non-realised random map exit (special hack!)
		1225	# {... are special paths that are not being touched
		1226	# ?xxx/... are special absolute paths
		1227	# ?random/... random maps
		1228	# /... normal maps
		1229	# ~user/... per-player map of a specific user
		1230
		1231	$path =~ s/$PATH_SEP/\//go;
		1232
		1233	# treat it as relative path if it starts with
		1234	# something that looks reasonable
		1235	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1236	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1237
		1238	$base =~ s{[^/]+/?$}{};
		1239	$path = "$base/$path";
		1240	}
		1241
		1242	for ($path) {
		1243	redo if s{//}{/};
		1244	redo if s{/\.?/}{/};
		1245	redo if s{/[^/]+/\.\./}{/};
		1246	}
		1247
		1248	$path
		1249	}
		1250
		1251	sub new_from_path {
		1252	my (undef, $path, $base) = @_;
		1253
		1254	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1255
		1256	$path = normalise $path, $base;
		1257
		1258	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1259	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1260	my $self = bless cf::map::new, $pkg;
		1261	$self->{path} = $path; $self->path ($path);
		1262	$self->init; # pass $1 etc.
		1263	return $self;
		1264	}
		1265	}
		1266
		1267	Carp::carp "unable to resolve path '$path' (base '$base').";
		1268	()
		1269	}
		1270
		1271	sub init {
		1272	my ($self) = @_;
		1273
		1274	$self
		1275	}
		1276
		1277	sub as_string {
		1278	my ($self) = @_;
		1279
		1280	"$self->{path}"
		1281	}
		1282
		1283	# the displayed name, this is a one way mapping
		1284	sub visible_name {
		1285	&as_string
		1286	}
		1287
		1288	# the original (read-only) location
		1289	sub load_path {
		1290	my ($self) = @_;
		1291
		1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1293	}
		1294
		1295	# the temporary/swap location
		1296	sub save_path {
		1297	my ($self) = @_;
		1298
		1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1301	}
		1302
		1303	# the unique path, undef == no special unique path
		1304	sub uniq_path {
		1305	my ($self) = @_;
		1306
		1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1151	}	1309	}
1152		1310
1153	# and all this just because we cannot iterate over	1311	# and all this just because we cannot iterate over
1154	# all maps in C++...	1312	# all maps in C++...
1155	sub change_all_map_light {	1313	sub change_all_map_light {
…		…
1157		1315
1158	$_->change_map_light ($change)	1316	$_->change_map_light ($change)
1159	for grep $_->outdoor, values %cf::MAP;	1317	for grep $_->outdoor, values %cf::MAP;
1160	}	1318	}
1161		1319
		1320	sub unlink_save {
		1321	my ($self) = @_;
		1322
		1323	utf8::encode (my $save = $self->save_path);
		1324	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1325	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1326	}
		1327
1162	sub try_load_header($) {	1328	sub load_header_from($) {
1163	my ($path) = @_;	1329	my ($self, $path) = @_;
1164		1330
1165	utf8::encode $path;	1331	utf8::encode $path;
1166	aio_open $path, O_RDONLY, 0	1332	#aio_open $path, O_RDONLY, 0
		1333	# or return;
		1334
		1335	$self->_load_header ($path)
1167	or return;	1336	or return;
1168		1337
1169	my $map = cf::map::new	1338	$self->{load_path} = $path;
		1339
		1340	1
		1341	}
		1342
		1343	sub load_header_orig {
		1344	my ($self) = @_;
		1345
		1346	$self->load_header_from ($self->load_path)
		1347	}
		1348
		1349	sub load_header_temp {
		1350	my ($self) = @_;
		1351
		1352	$self->load_header_from ($self->save_path)
		1353	}
		1354
		1355	sub prepare_temp {
		1356	my ($self) = @_;
		1357
		1358	$self->last_access ((delete $self->{last_access})
		1359	|| $cf::RUNTIME); #d#
		1360	# safety
		1361	$self->{instantiate_time} = $cf::RUNTIME
		1362	if $self->{instantiate_time} > $cf::RUNTIME;
		1363	}
		1364
		1365	sub prepare_orig {
		1366	my ($self) = @_;
		1367
		1368	$self->{load_original} = 1;
		1369	$self->{instantiate_time} = $cf::RUNTIME;
		1370	$self->last_access ($cf::RUNTIME);
		1371	$self->instantiate;
		1372	}
		1373
		1374	sub load_header {
		1375	my ($self) = @_;
		1376
		1377	if ($self->load_header_temp) {
		1378	$self->prepare_temp;
		1379	} else {
		1380	$self->load_header_orig
1170	or return;	1381	or return;
		1382	$self->prepare_orig;
		1383	}
1171		1384
1172	$map->load_header ($path)	1385	1
1173	or return;
1174
1175	$map->{load_path} = $path;
1176
1177	$map
1178	}	1386	}
1179		1387
		1388	sub find;
1180	sub find_map {	1389	sub find {
1181	my ($path, $origin) = @_;	1390	my ($path, $origin) = @_;
1182		1391
1183	#warn "find_map<$path,$origin>\n";#d#
1184
1185	$path = new cf::path $path, $origin && $origin->path;	1392	$path = normalise $path, $origin && $origin->path;
1186	my $key = $path->as_string;
1187		1393
1188	cf::lock_wait "map_find:$key";	1394	cf::lock_wait "map_find:$path";
1189		1395
1190	$cf::MAP{$key} || do {	1396	$cf::MAP{$path} || do {
1191	my $guard = cf::lock_acquire "map_find:$key";	1397	my $guard = cf::lock_acquire "map_find:$path";
1192		1398	my $map = new_from_path cf::map $path
1193	# do it the slow way
1194	my $map = try_load_header $path->save_path;
1195
1196	if ($map) {
1197	# safety
1198	$map->{instantiate_time} = $cf::RUNTIME
1199	if $map->{instantiate_time} > $cf::RUNTIME;
1200	} else {
1201	if (my $rmp = $path->random_map_params) {
1202	$map = generate_random_map $key, $rmp;
1203	} else {
1204	$map = try_load_header $path->load_path;
1205	}
1206
1207	$map or return;	1399	or return;
1208		1400
1209	$map->{load_original} = 1;
1210	$map->{instantiate_time} = $cf::RUNTIME;
1211	$map->instantiate;
1212
1213	# per-player maps become, after loading, normal maps
1214	$map->per_player (0) if $path->{user_rel};
1215	}
1216
1217	$map->path ($key);
1218	$map->{path} = $path;
1219	$map->{last_save} = $cf::RUNTIME;	1401	$map->{last_save} = $cf::RUNTIME;
1220	$map->last_access ($cf::RUNTIME);
1221		1402
1222	if ($map->should_reset) {	1403	$map->load_header
		1404	or return;
		1405
		1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1407	# doing this can freeze the server in a sync job, obviously
		1408	#$cf::WAIT_FOR_TICK->wait;
1223	$map->reset;	1409	$map->reset;
1224	undef $guard;	1410	undef $guard;
1225	$map = find_map $path;	1411	return find $path;
1226	}	1412	}
1227		1413
1228	$cf::MAP{$key} = $map	1414	$cf::MAP{$path} = $map
1229	}	1415	}
1230	}	1416	}
		1417
		1418	sub pre_load { }
		1419	sub post_load { }
1231		1420
1232	sub load {	1421	sub load {
1233	my ($self) = @_;	1422	my ($self) = @_;
1234		1423
		1424	local $self->{deny_reset} = 1; # loading can take a long time
		1425
1235	my $path = $self->{path};	1426	my $path = $self->{path};
1236	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1427	my $guard = cf::lock_acquire "map_load:$path";
1237		1428
1238	return if $self->in_memory != cf::MAP_SWAPPED;	1429	return if $self->in_memory != cf::MAP_SWAPPED;
1239		1430
1240	$self->in_memory (cf::MAP_LOADING);	1431	$self->in_memory (cf::MAP_LOADING);
1241		1432
1242	$self->alloc;	1433	$self->alloc;
		1434
		1435	$self->pre_load;
		1436
1243	$self->load_objects ($self->{load_path}, 1)	1437	$self->_load_objects ($self->{load_path}, 1)
1244	or return;	1438	or return;
1245		1439
1246	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1247	if delete $self->{load_original};	1441	if delete $self->{load_original};
1248		1442
1249	if (my $uniq = $path->uniq_path) {	1443	if (my $uniq = $self->uniq_path) {
1250	utf8::encode $uniq;	1444	utf8::encode $uniq;
1251	if (aio_open $uniq, O_RDONLY, 0) {	1445	if (aio_open $uniq, O_RDONLY, 0) {
1252	$self->clear_unique_items;	1446	$self->clear_unique_items;
1253	$self->load_objects ($uniq, 0);	1447	$self->_load_objects ($uniq, 0);
1254	}	1448	}
1255	}	1449	}
		1450
		1451	Coro::cede;
1256		1452
1257	# now do the right thing for maps	1453	# now do the right thing for maps
1258	$self->link_multipart_objects;	1454	$self->link_multipart_objects;
1259		1455
1260	if ($self->{path}->is_style_map) {	1456	unless ($self->{deny_activate}) {
1261	$self->{deny_save} = 1;	1457	$self->decay_objects;
1262	$self->{deny_reset} = 1;
1263	} else {
1264	$self->fix_auto_apply;	1458	$self->fix_auto_apply;
1265	$self->decay_objects;
1266	$self->update_buttons;	1459	$self->update_buttons;
		1460	Coro::cede;
1267	$self->set_darkness_map;	1461	$self->set_darkness_map;
1268	$self->difficulty ($self->estimate_difficulty)	1462	$self->difficulty ($self->estimate_difficulty)
1269	unless $self->difficulty;	1463	unless $self->difficulty;
		1464	Coro::cede;
1270	$self->activate;	1465	$self->activate;
1271	}	1466	}
1272		1467
		1468	$self->post_load;
		1469
1273	$self->in_memory (cf::MAP_IN_MEMORY);	1470	$self->in_memory (cf::MAP_IN_MEMORY);
1274	}	1471	}
1275		1472
1276	sub load_map_sync {	1473	sub customise_for {
		1474	my ($self, $ob) = @_;
		1475
		1476	return find "~" . $ob->name . "/" . $self->{path}
		1477	if $self->per_player;
		1478
		1479	$self
		1480	}
		1481
		1482	# find and load all maps in the 3x3 area around a map
		1483	sub load_diag {
		1484	my ($map) = @_;
		1485
		1486	my @diag; # diagonal neighbours
		1487
		1488	for (0 .. 3) {
		1489	my $neigh = $map->tile_path ($_)
		1490	or next;
		1491	$neigh = find $neigh, $map
		1492	or next;
		1493	$neigh->load;
		1494
		1495	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1496	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1497	}
		1498
		1499	for (@diag) {
		1500	my $neigh = find @$_
		1501	or next;
		1502	$neigh->load;
		1503	}
		1504	}
		1505
		1506	sub find_sync {
1277	my ($path, $origin) = @_;	1507	my ($path, $origin) = @_;
1278		1508
1279	#warn "load_map_sync<$path, $origin>\n";#d#	1509	cf::sync_job { find $path, $origin }
		1510	}
1280		1511
1281	cf::sync_job {	1512	sub do_load_sync {
1282	my $map = cf::map::find_map $path, $origin	1513	my ($map) = @_;
1283	or return;	1514
		1515	cf::sync_job { $map->load };
		1516	}
		1517
		1518	our %MAP_PREFETCH;
		1519	our $MAP_PREFETCHER = undef;
		1520
		1521	sub find_async {
		1522	my ($path, $origin) = @_;
		1523
		1524	$path = normalise $path, $origin && $origin->{path};
		1525
		1526	if (my $map = $cf::MAP{$path}) {
		1527	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1528	}
		1529
		1530	undef $MAP_PREFETCH{$path};
		1531	$MAP_PREFETCHER ||= cf::async {
		1532	while (%MAP_PREFETCH) {
		1533	for my $path (keys %MAP_PREFETCH) {
		1534	my $map = find $path
		1535	or next;
1284	$map->load;	1536	$map->load;
1285	$map	1537
		1538	delete $MAP_PREFETCH{$path};
		1539	}
		1540	}
		1541	undef $MAP_PREFETCHER;
1286	}	1542	};
		1543	$MAP_PREFETCHER->prio (6);
		1544
		1545	()
1287	}	1546	}
1288		1547
1289	sub save {	1548	sub save {
1290	my ($self) = @_;	1549	my ($self) = @_;
1291		1550
		1551	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1552
1292	$self->{last_save} = $cf::RUNTIME;	1553	$self->{last_save} = $cf::RUNTIME;
1293		1554
1294	return unless $self->dirty;	1555	return unless $self->dirty;
1295		1556
1296	my $save = $self->{path}->save_path; utf8::encode $save;	1557	my $save = $self->save_path; utf8::encode $save;
1297	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1558	my $uniq = $self->uniq_path; utf8::encode $uniq;
1298		1559
1299	$self->{load_path} = $save;	1560	$self->{load_path} = $save;
1300		1561
1301	return if $self->{deny_save};	1562	return if $self->{deny_save};
1302		1563
		1564	local $self->{last_access} = $self->last_access;#d#
		1565
		1566	cf::async {
		1567	$_->contr->save for $self->players;
		1568	};
		1569
1303	if ($uniq) {	1570	if ($uniq) {
1304	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1571	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1305	$self->save_objects ($uniq, cf::IO_UNIQUES);	1572	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1306	} else {	1573	} else {
1307	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1574	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1308	}	1575	}
1309	}	1576	}
1310		1577
1311	sub swap_out {	1578	sub swap_out {
1312	my ($self) = @_;	1579	my ($self) = @_;
		1580
		1581	# save first because save cedes
		1582	$self->save;
		1583
		1584	my $lock = cf::lock_acquire "map_data:" . $self->path;
1313		1585
1314	return if $self->players;	1586	return if $self->players;
1315	return if $self->in_memory != cf::MAP_IN_MEMORY;	1587	return if $self->in_memory != cf::MAP_IN_MEMORY;
1316	return if $self->{deny_save};	1588	return if $self->{deny_save};
1317		1589
1318	$self->save;
1319	$self->clear;	1590	$self->clear;
1320	$self->in_memory (cf::MAP_SWAPPED);	1591	$self->in_memory (cf::MAP_SWAPPED);
1321	}	1592	}
1322		1593
1323	sub reset_at {	1594	sub reset_at {
1324	my ($self) = @_;	1595	my ($self) = @_;
1325		1596
1326	# TODO: safety, remove and allow resettable per-player maps	1597	# TODO: safety, remove and allow resettable per-player maps
1327	return 1e99 if $self->{path}{user_rel};	1598	return 1e99 if $self->isa ("ext::map_per_player");#d#
1328	return 1e99 if $self->{deny_reset};	1599	return 1e99 if $self->{deny_reset};
1329		1600
1330	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1331	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1602	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1332		1603
…		…
1337	my ($self) = @_;	1608	my ($self) = @_;
1338		1609
1339	$self->reset_at <= $cf::RUNTIME	1610	$self->reset_at <= $cf::RUNTIME
1340	}	1611	}
1341		1612
1342	sub unlink_save {
1343	my ($self) = @_;
1344
1345	utf8::encode (my $save = $self->{path}->save_path);
1346	aioreq_pri 3; IO::AIO::aio_unlink $save;
1347	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1348	}
1349
1350	sub rename {
1351	my ($self, $new_path) = @_;
1352
1353	$self->unlink_save;
1354
1355	delete $cf::MAP{$self->path};
1356	$self->{path} = new cf::path $new_path;
1357	$self->path ($self->{path}->as_string);
1358	$cf::MAP{$self->path} = $self;
1359
1360	$self->save;
1361	}
1362
1363	sub reset {	1613	sub reset {
1364	my ($self) = @_;	1614	my ($self) = @_;
1365		1615
		1616	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1617
1366	return if $self->players;	1618	return if $self->players;
1367	return if $self->{path}{user_rel};#d#	1619	return if $self->isa ("ext::map_per_player");#d#
1368		1620
1369	warn "resetting map ", $self->path;#d#	1621	warn "resetting map ", $self->path;#d#
1370		1622
		1623	$self->in_memory (cf::MAP_SWAPPED);
		1624
		1625	# need to save uniques path
		1626	unless ($self->{deny_save}) {
		1627	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1628
		1629	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1630	if $uniq;
		1631	}
		1632
1371	delete $cf::MAP{$self->path};	1633	delete $cf::MAP{$self->path};
		1634
		1635	$self->clear;
1372		1636
1373	$_->clear_links_to ($self) for values %cf::MAP;	1637	$_->clear_links_to ($self) for values %cf::MAP;
1374		1638
1375	$self->unlink_save;	1639	$self->unlink_save;
1376	$self->destroy;	1640	$self->destroy;
…		…
1379	my $nuke_counter = "aaaa";	1643	my $nuke_counter = "aaaa";
1380		1644
1381	sub nuke {	1645	sub nuke {
1382	my ($self) = @_;	1646	my ($self) = @_;
1383		1647
		1648	delete $cf::MAP{$self->path};
		1649
		1650	$self->unlink_save;
		1651
		1652	bless $self, "cf::map";
		1653	delete $self->{deny_reset};
1384	$self->{deny_save} = 1;	1654	$self->{deny_save} = 1;
1385	$self->reset_timeout (1);	1655	$self->reset_timeout (1);
1386	$self->rename ("{nuke}/" . ($nuke_counter++));	1656	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1657
		1658	$cf::MAP{$self->path} = $self;
		1659
1387	$self->reset; # polite request, might not happen	1660	$self->reset; # polite request, might not happen
1388	}	1661	}
1389		1662
1390	sub customise_for {	1663	=item cf::map::unique_maps
1391	my ($map, $ob) = @_;
1392		1664
1393	if ($map->per_player) {	1665	Returns an arrayref of paths of all shared maps that have
1394	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1666	instantiated unique items. May block.
1395	}
1396		1667
1397	$map	1668	=cut
1398	}
1399		1669
1400	sub emergency_save {	1670	sub unique_maps() {
1401	local $cf::FREEZE = 1;	1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1672	or return;
1402		1673
1403	warn "enter emergency map save\n";	1674	my @paths;
1404		1675
1405	cf::sync_job {	1676	for (@$files) {
1406	warn "begin emergency map save\n";	1677	utf8::decode $_;
1407	$_->save for values %cf::MAP;	1678	next if /\.pst$/;
		1679	next unless /^$PATH_SEP/o;
		1680
		1681	push @paths, cf::map::normalise $_;
1408	};	1682	}
1409		1683
1410	warn "end emergency map save\n";	1684	\@paths
1411	}	1685	}
1412		1686
1413	package cf;	1687	package cf;
1414		1688
1415	=back	1689	=back
1416		1690
		1691	=head3 cf::object
		1692
		1693	=cut
		1694
		1695	package cf::object;
		1696
		1697	=over 4
		1698
		1699	=item $ob->inv_recursive
		1700
		1701	Returns the inventory of the object _and_ their inventories, recursively.
		1702
		1703	=cut
		1704
		1705	sub inv_recursive_;
		1706	sub inv_recursive_ {
		1707	map { $_, inv_recursive_ $_->inv } @_
		1708	}
		1709
		1710	sub inv_recursive {
		1711	inv_recursive_ inv $_[0]
		1712	}
		1713
		1714	package cf;
		1715
		1716	=back
1417		1717
1418	=head3 cf::object::player	1718	=head3 cf::object::player
1419		1719
1420	=over 4	1720	=over 4
1421		1721
…		…
1461		1761
1462	=item $player_object->enter_link	1762	=item $player_object->enter_link
1463		1763
1464	Freezes the player and moves him/her to a special map (C<{link}>).	1764	Freezes the player and moves him/her to a special map (C<{link}>).
1465		1765
1466	The player should be reaosnably safe there for short amounts of time. You	1766	The player should be reasonably safe there for short amounts of time. You
1467	I<MUST> call C<leave_link> as soon as possible, though.	1767	I<MUST> call C<leave_link> as soon as possible, though.
1468		1768
		1769	Will never block.
		1770
1469	=item $player_object->leave_link ($map, $x, $y)	1771	=item $player_object->leave_link ($map, $x, $y)
1470		1772
1471	Moves the player out of the specila link map onto the given map. If the	1773	Moves the player out of the special C<{link}> map onto the specified
1472	map is not valid (or omitted), the player will be moved back to the	1774	map. If the map is not valid (or omitted), the player will be moved back
1473	location he/she was before the call to C<enter_link>, or, if that fails,	1775	to the location he/she was before the call to C<enter_link>, or, if that
1474	to the emergency map position.	1776	fails, to the emergency map position.
1475		1777
1476	Might block.	1778	Might block.
1477		1779
1478	=cut	1780	=cut
		1781
		1782	sub link_map {
		1783	unless ($LINK_MAP) {
		1784	$LINK_MAP = cf::map::find "{link}"
		1785	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1786	$LINK_MAP->load;
		1787	}
		1788
		1789	$LINK_MAP
		1790	}
1479		1791
1480	sub cf::object::player::enter_link {	1792	sub cf::object::player::enter_link {
1481	my ($self) = @_;	1793	my ($self) = @_;
1482		1794
1483	$self->deactivate_recursive;	1795	$self->deactivate_recursive;
1484		1796
1485	return if $self->map == $LINK_MAP;	1797	return if UNIVERSAL::isa $self->map, "ext::map_link";
1486		1798
1487	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1488	if $self->map;	1800	if $self->map;
1489		1801
1490	$self->enter_map ($LINK_MAP, 20, 20);	1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1491	}	1803	}
1492		1804
1493	sub cf::object::player::leave_link {	1805	sub cf::object::player::leave_link {
1494	my ($self, $map, $x, $y) = @_;	1806	my ($self, $map, $x, $y) = @_;
1495		1807
1496	my $link_pos = delete $self->{_link_pos};	1808	my $link_pos = delete $self->{_link_pos};
1497		1809
1498	unless ($map) {	1810	unless ($map) {
1499	# restore original map position	1811	# restore original map position
1500	($map, $x, $y) = @{ $link_pos || [] };	1812	($map, $x, $y) = @{ $link_pos || [] };
1501	$map = cf::map::find_map $map;	1813	$map = cf::map::find $map;
1502		1814
1503	unless ($map) {	1815	unless ($map) {
1504	($map, $x, $y) = @$EMERGENCY_POSITION;	1816	($map, $x, $y) = @$EMERGENCY_POSITION;
1505	$map = cf::map::find_map $map	1817	$map = cf::map::find $map
1506	or die "FATAL: cannot load emergency map\n";	1818	or die "FATAL: cannot load emergency map\n";
1507	}	1819	}
1508	}	1820	}
1509		1821
1510	($x, $y) = (-1, -1)	1822	($x, $y) = (-1, -1)
…		…
1513	# use -1 or undef as default coordinates, not 0, 0	1825	# use -1 or undef as default coordinates, not 0, 0
1514	($x, $y) = ($map->enter_x, $map->enter_y)	1826	($x, $y) = ($map->enter_x, $map->enter_y)
1515	if $x <=0 && $y <= 0;	1827	if $x <=0 && $y <= 0;
1516		1828
1517	$map->load;	1829	$map->load;
		1830	$map->load_diag;
1518		1831
		1832	return unless $self->contr->active;
1519	$self->activate_recursive;	1833	$self->activate_recursive;
		1834
		1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1520	$self->enter_map ($map, $x, $y);	1836	$self->enter_map ($map, $x, $y);
1521	}	1837	}
1522		1838
1523	cf::player->attach (	1839	cf::player->attach (
1524	on_logout => sub {	1840	on_logout => sub {
…		…
1536		1852
1537	# try to abort aborted map switching on player login :)	1853	# try to abort aborted map switching on player login :)
1538	# should happen only on crashes	1854	# should happen only on crashes
1539	if ($pl->ob->{_link_pos}) {	1855	if ($pl->ob->{_link_pos}) {
1540	$pl->ob->enter_link;	1856	$pl->ob->enter_link;
1541	Coro::async {	1857	(async {
		1858	$pl->ob->reply (undef,
		1859	"There was an internal problem at your last logout, "
		1860	. "the server will try to bring you to your intended destination in a second.",
		1861	cf::NDI_RED);
1542	# we need this sleep as the login has a concurrent enter_exit running	1862	# we need this sleep as the login has a concurrent enter_exit running
1543	# and this sleep increases chances of the player not ending up in scorn	1863	# and this sleep increases chances of the player not ending up in scorn
1544	Coro::Timer::sleep 1;	1864	Coro::Timer::sleep 1;
1545	$pl->ob->leave_link;	1865	$pl->ob->leave_link;
1546	};	1866	})->prio (2);
1547	}	1867	}
1548	},	1868	},
1549	);	1869	);
1550		1870
1551	=item $player_object->goto_map ($path, $x, $y)	1871	=item $player_object->goto ($path, $x, $y)
1552		1872
1553	=cut	1873	=cut
1554		1874
1555	sub cf::object::player::goto_map {	1875	sub cf::object::player::goto {
1556	my ($self, $path, $x, $y) = @_;	1876	my ($self, $path, $x, $y) = @_;
1557		1877
1558	$self->enter_link;	1878	$self->enter_link;
1559		1879
1560	(Coro::async {	1880	(async {
1561	$path = new cf::path $path;	1881	my $map = eval {
1562
1563	my $map = cf::map::find_map $path->as_string;	1882	my $map = cf::map::find $path;
1564	$map = $map->customise_for ($self) if $map;	1883	$map = $map->customise_for ($self) if $map;
1565		1884	$map
1566	# warn "entering ", $map->path, " at ($x, $y)\n"	1885	} or
1567	# if $map;
1568
1569	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1570		1887
1571	$self->leave_link ($map, $x, $y);	1888	$self->leave_link ($map, $x, $y);
1572	})->prio (1);	1889	})->prio (1);
1573	}	1890	}
1574		1891
…		…
1578		1895
1579	sub parse_random_map_params {	1896	sub parse_random_map_params {
1580	my ($spec) = @_;	1897	my ($spec) = @_;
1581		1898
1582	my $rmp = { # defaults	1899	my $rmp = { # defaults
1583	xsize => 10,	1900	xsize => (cf::rndm 15, 40),
1584	ysize => 10,	1901	ysize => (cf::rndm 15, 40),
		1902	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1903	#layout => string,
1585	};	1904	};
1586		1905
1587	for (split /\n/, $spec) {	1906	for (split /\n/, $spec) {
1588	my ($k, $v) = split /\s+/, $_, 2;	1907	my ($k, $v) = split /\s+/, $_, 2;
1589		1908
…		…
1593	$rmp	1912	$rmp
1594	}	1913	}
1595		1914
1596	sub prepare_random_map {	1915	sub prepare_random_map {
1597	my ($exit) = @_;	1916	my ($exit) = @_;
		1917
		1918	my $guard = cf::lock_acquire "exit_prepare:$exit";
1598		1919
1599	# all this does is basically replace the /! path by	1920	# all this does is basically replace the /! path by
1600	# a new random map path (?random/...) with a seed	1921	# a new random map path (?random/...) with a seed
1601	# that depends on the exit object	1922	# that depends on the exit object
1602		1923
1603	my $rmp = parse_random_map_params $exit->msg;	1924	my $rmp = parse_random_map_params $exit->msg;
1604		1925
1605	if ($exit->map) {	1926	if ($exit->map) {
1606	$rmp->{region} = $exit->map->region_name;	1927	$rmp->{region} = $exit->region->name;
1607	$rmp->{origin_map} = $exit->map->path;	1928	$rmp->{origin_map} = $exit->map->path;
1608	$rmp->{origin_x} = $exit->x;	1929	$rmp->{origin_x} = $exit->x;
1609	$rmp->{origin_y} = $exit->y;	1930	$rmp->{origin_y} = $exit->y;
1610	}	1931	}
1611		1932
1612	$rmp->{random_seed} ||= $exit->random_seed;	1933	$rmp->{random_seed} ||= $exit->random_seed;
1613		1934
1614	my $data = cf::to_json $rmp;	1935	my $data = cf::to_json $rmp;
1615	my $md5 = Digest::MD5::md5_hex $data;	1936	my $md5 = Digest::MD5::md5_hex $data;
		1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1616		1938
1617	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1618	aio_write $fh, 0, (length $data), $data, 0;	1940	aio_write $fh, 0, (length $data), $data, 0;
		1941	undef $fh;
		1942	aio_rename "$meta~", $meta;
1619		1943
1620	$exit->slaying ("?random/$md5");	1944	$exit->slaying ("?random/$md5");
1621	$exit->msg (undef);	1945	$exit->msg (undef);
1622	}	1946	}
1623	}	1947	}
…		…
1625	sub cf::object::player::enter_exit {	1949	sub cf::object::player::enter_exit {
1626	my ($self, $exit) = @_;	1950	my ($self, $exit) = @_;
1627		1951
1628	return unless $self->type == cf::PLAYER;	1952	return unless $self->type == cf::PLAYER;
1629		1953
		1954	if ($exit->slaying eq "/!") {
		1955	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1956	cf::sync_job { prepare_random_map $exit };
		1957	}
		1958
		1959	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1960	my $hp = $exit->stats->hp;
		1961	my $sp = $exit->stats->sp;
		1962
1630	$self->enter_link;	1963	$self->enter_link;
1631		1964
1632	(Coro::async {	1965	(async {
		1966	$self->deactivate_recursive; # just to be sure
1633	unless (eval {	1967	unless (eval {
1634		1968	$self->goto ($slaying, $hp, $sp);
1635	prepare_random_map $exit
1636	if $exit->slaying eq "/!";
1637
1638	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1639	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1640		1969
1641	1;	1970	1;
1642	}) {	1971	}) {
1643	$self->message ("Something went wrong deep within the crossfire server. "	1972	$self->message ("Something went wrong deep within the crossfire server. "
1644	. "I'll try to bring you back to the map you were before. "	1973	. "I'll try to bring you back to the map you were before. "
1645	. "Please report this to the dungeon master",	1974	. "Please report this to the dungeon master!",
1646	cf::NDI_UNIQUE | cf::NDI_RED);	1975	cf::NDI_UNIQUE | cf::NDI_RED);
1647		1976
1648	warn "ERROR in enter_exit: $@";	1977	warn "ERROR in enter_exit: $@";
1649	$self->leave_link;	1978	$self->leave_link;
1650	}	1979	}
…		…
1701	on_reply => sub {	2030	on_reply => sub {
1702	my ($ns, $msg) = @_;	2031	my ($ns, $msg) = @_;
1703		2032
1704	# this weird shuffling is so that direct followup queries	2033	# this weird shuffling is so that direct followup queries
1705	# get handled first	2034	# get handled first
1706	my $queue = delete $ns->{query_queue};	2035	my $queue = delete $ns->{query_queue}
		2036	or return; # be conservative, not sure how that can happen, but we saw a crash here
1707		2037
1708	(shift @$queue)->[1]->($msg);	2038	(shift @$queue)->[1]->($msg);
		2039	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1709		2040
1710	push @{ $ns->{query_queue} }, @$queue;	2041	push @{ $ns->{query_queue} }, @$queue;
1711		2042
1712	if (@{ $ns->{query_queue} } == @$queue) {	2043	if (@{ $ns->{query_queue} } == @$queue) {
1713	if (@$queue) {	2044	if (@$queue) {
…		…
1717	}	2048	}
1718	}	2049	}
1719	},	2050	},
1720	);	2051	);
1721		2052
1722	=item $client->coro (\&cb)	2053	=item $client->async (\&cb)
1723		2054
1724	Create a new coroutine, running the specified callback. The coroutine will	2055	Create a new coroutine, running the specified callback. The coroutine will
1725	be automatically cancelled when the client gets destroyed (e.g. on logout,	2056	be automatically cancelled when the client gets destroyed (e.g. on logout,
1726	or loss of connection).	2057	or loss of connection).
1727		2058
1728	=cut	2059	=cut
1729		2060
1730	sub cf::client::coro {	2061	sub cf::client::async {
1731	my ($self, $cb) = @_;	2062	my ($self, $cb) = @_;
1732		2063
1733	my $coro; $coro = async {	2064	my $coro = &Coro::async ($cb);
1734	eval {
1735	$cb->();
1736	};
1737	warn $@ if $@;
1738	};
1739		2065
1740	$coro->on_destroy (sub {	2066	$coro->on_destroy (sub {
1741	delete $self->{_coro}{$coro+0};	2067	delete $self->{_coro}{$coro+0};
1742	});	2068	});
1743		2069
…		…
1879	The parameter C<$family> should best start with the name of the extension	2205	The parameter C<$family> should best start with the name of the extension
1880	using it, it should be unique.	2206	using it, it should be unique.
1881		2207
1882	=over 4	2208	=over 4
1883		2209
1884	=item $hashref = cf::db_get $family
1885
1886	Return a hashref for use by the extension C<$family>, which can be
1887	modified. After modifications, you have to call C<cf::db_dirty> or
1888	C<cf::db_sync>.
1889
1890	=item $value = cf::db_get $family => $key	2210	=item $value = cf::db_get $family => $key
1891		2211
1892	Returns a single value from the database	2212	Returns a single value from the database.
1893
1894	=item cf::db_put $family => $hashref
1895
1896	Stores the given family hashref into the database. Updates are delayed, if
1897	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1898		2213
1899	=item cf::db_put $family => $key => $value	2214	=item cf::db_put $family => $key => $value
1900		2215
1901	Stores the given C<$value> in the family hash. Updates are delayed, if you	2216	Stores the given C<$value> in the family.
1902	want the data to be synced to disk immediately, use C<cf::db_sync>.
1903
1904	=item cf::db_dirty
1905
1906	Marks the database as dirty, to be updated at a later time.
1907
1908	=item cf::db_sync
1909
1910	Immediately write the database to disk I<if it is dirty>.
1911		2217
1912	=cut	2218	=cut
1913		2219
1914	our $DB;	2220	our $DB;
1915		2221
1916	{	2222	sub db_init {
		2223	unless ($DB) {
		2224	$DB = BDB::db_create $DB_ENV;
		2225
		2226	cf::sync_job {
		2227	eval {
		2228	$DB->set_flags (BDB::CHKSUM);
		2229
		2230	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2231	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2232	cf::cleanup "db_open(db): $!" if $!;
		2233	};
		2234	cf::cleanup "db_open(db): $@" if $@;
		2235	};
		2236
1917	my $path = cf::localdir . "/database.pst";	2237	my $path = cf::localdir . "/database.pst";
		2238	if (stat $path) {
		2239	cf::sync_job {
		2240	my $pst = Storable::retrieve $path;
1918		2241
1919	sub db_load() {	2242	cf::db_put (board => data => $pst->{board});
1920	$DB = stat $path ? Storable::retrieve $path : { };	2243	cf::db_put (guildrules => data => $pst->{guildrules});
1921	}	2244	cf::db_put (rent => balance => $pst->{rent}{balance});
		2245	BDB::db_env_txn_checkpoint $DB_ENV;
1922		2246
1923	my $pid;	2247	unlink $path;
1924
1925	sub db_save() {
1926	waitpid $pid, 0 if $pid;
1927	if (0 == ($pid = fork)) {
1928	$DB->{_meta}{version} = 1;
1929	Storable::nstore $DB, "$path~";
1930	rename "$path~", $path;
1931	cf::_exit 0 if defined $pid;
1932	}	2248	};
1933	}
1934
1935	my $dirty;
1936
1937	sub db_sync() {
1938	db_save if $dirty;
1939	undef $dirty;
1940	}
1941
1942	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1943	db_sync;
1944	});
1945
1946	sub db_dirty() {
1947	$dirty = 1;
1948	$idle->start;
1949	}
1950
1951	sub db_get($;$) {
1952	@_ >= 2
1953	? $DB->{$_[0]}{$_[1]}
1954	: ($DB->{$_[0]} ||= { })
1955	}
1956
1957	sub db_put($$;$) {
1958	if (@_ >= 3) {
1959	$DB->{$_[0]}{$_[1]} = $_[2];
1960	} else {
1961	$DB->{$_[0]} = $_[1];
1962	}
1963	db_dirty;
1964	}
1965
1966	cf::global->attach (
1967	prio => 10000,
1968	on_cleanup => sub {
1969	db_sync;
1970	},	2249	}
1971	);	2250	}
		2251	}
		2252
		2253	sub db_get($$) {
		2254	my $key = "$_[0]/$_[1]";
		2255
		2256	cf::sync_job {
		2257	BDB::db_get $DB, undef, $key, my $data;
		2258
		2259	$! ? ()
		2260	: Compress::LZF::sthaw $data
		2261	}
		2262	}
		2263
		2264	sub db_put($$$) {
		2265	BDB::dbreq_pri 4;
		2266	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1972	}	2267	}
1973		2268
1974	#############################################################################	2269	#############################################################################
1975	# the server's main()	2270	# the server's init and main functions
		2271
		2272	sub load_faces {
		2273	my $path = sprintf "%s/faces", cf::datadir;
		2274
		2275	warn "loading faces from $path\n";
		2276
		2277	my $faces;
		2278	0 < aio_load $path, $faces
		2279	or die "$path: $!";
		2280
		2281	Coro::cede;
		2282	$faces = Storable::thaw $faces;
		2283	Coro::cede;
		2284
		2285	while (my ($face, $info) = each %$faces) {
		2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2289	Coro::cede;
		2290	}
		2291
		2292	1
		2293	}
		2294
		2295	sub reload_resources {
		2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2297	or die "unable to load regions file\n";#d#
		2298	load_faces
		2299	or die "unable to load faces\n";#d#
		2300	}
		2301
		2302	sub init {
		2303	reload_resources;
		2304	}
1976		2305
1977	sub cfg_load {	2306	sub cfg_load {
1978	open my $fh, "<:utf8", cf::confdir . "/config"	2307	open my $fh, "<:utf8", cf::confdir . "/config"
1979	or return;	2308	or return;
1980		2309
1981	local $/;	2310	local $/;
1982	*CFG = YAML::Syck::Load <$fh>;	2311	*CFG = YAML::Syck::Load <$fh>;
		2312
		2313	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2314
		2315	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2316	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2317
		2318	if (exists $CFG{mlockall}) {
		2319	eval {
		2320	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2321	and die "WARNING: m(un)lockall failed: $!\n";
		2322	};
		2323	warn $@ if $@;
		2324	}
1983	}	2325	}
1984		2326
1985	sub main {	2327	sub main {
1986	# we must not ever block the main coroutine	2328	# we must not ever block the main coroutine
1987	local $Coro::idle = sub {	2329	local $Coro::idle = sub {
1988	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2330	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1989	(Coro::unblock_sub {	2331	(async {
1990	Event::one_event;	2332	Event::one_event;
1991	})->();	2333	})->prio (Coro::PRIO_MAX);
1992	};	2334	};
1993		2335
1994	cfg_load;	2336	cfg_load;
1995	db_load;	2337	db_init;
1996	load_extensions;	2338	load_extensions;
		2339
		2340	$TICK_WATCHER->start;
1997	Event::loop;	2341	Event::loop;
1998	}	2342	}
1999		2343
2000	#############################################################################	2344	#############################################################################
2001	# initialisation	2345	# initialisation and cleanup
		2346
		2347	# install some emergency cleanup handlers
		2348	BEGIN {
		2349	for my $signal (qw(INT HUP TERM)) {
		2350	Event->signal (
		2351	reentrant => 0,
		2352	data => WF_AUTOCANCEL,
		2353	signal => $signal,
		2354	prio => 0,
		2355	cb => sub {
		2356	cf::cleanup "SIG$signal";
		2357	},
		2358	);
		2359	}
		2360	}
		2361
		2362	sub emergency_save() {
		2363	my $freeze_guard = cf::freeze_mainloop;
		2364
		2365	warn "enter emergency perl save\n";
		2366
		2367	cf::sync_job {
		2368	# use a peculiar iteration method to avoid tripping on perl
		2369	# refcount bugs in for. also avoids problems with players
		2370	# and maps saved/destroyed asynchronously.
		2371	warn "begin emergency player save\n";
		2372	for my $login (keys %cf::PLAYER) {
		2373	my $pl = $cf::PLAYER{$login} or next;
		2374	$pl->valid or next;
		2375	$pl->save;
		2376	}
		2377	warn "end emergency player save\n";
		2378
		2379	warn "begin emergency map save\n";
		2380	for my $path (keys %cf::MAP) {
		2381	my $map = $cf::MAP{$path} or next;
		2382	$map->valid or next;
		2383	$map->save;
		2384	}
		2385	warn "end emergency map save\n";
		2386
		2387	warn "begin emergency database checkpoint\n";
		2388	BDB::db_env_txn_checkpoint $DB_ENV;
		2389	warn "end emergency database checkpoint\n";
		2390	};
		2391
		2392	warn "leave emergency perl save\n";
		2393	}
		2394
		2395	sub post_cleanup {
		2396	my ($make_core) = @_;
		2397
		2398	warn Carp::longmess "post_cleanup backtrace"
		2399	if $make_core;
		2400	}
2002		2401
2003	sub reload() {	2402	sub reload() {
2004	# can/must only be called in main	2403	# can/must only be called in main
2005	if ($Coro::current != $Coro::main) {	2404	if ($Coro::current != $Coro::main) {
2006	warn "can only reload from main coroutine\n";	2405	warn "can only reload from main coroutine";
2007	return;	2406	return;
2008	}	2407	}
2009		2408
2010	warn "reloading...";	2409	warn "reloading...";
2011		2410
2012	local $FREEZE = 1;	2411	warn "entering sync_job";
		2412
		2413	cf::sync_job {
		2414	cf::write_runtime; # external watchdog should not bark
2013	cf::emergency_save;	2415	cf::emergency_save;
		2416	cf::write_runtime; # external watchdog should not bark
2014		2417
2015	eval {	2418	warn "syncing database to disk";
		2419	BDB::db_env_txn_checkpoint $DB_ENV;
		2420
2016	# if anything goes wrong in here, we should simply crash as we already saved	2421	# if anything goes wrong in here, we should simply crash as we already saved
2017		2422
2018	# cancel all watchers	2423	warn "cancelling all WF_AUTOCANCEL watchers";
2019	for (Event::all_watchers) {	2424	for (Event::all_watchers) {
2020	$_->cancel if $_->data & WF_AUTOCANCEL;	2425	$_->cancel if $_->data & WF_AUTOCANCEL;
2021	}	2426	}
2022		2427
		2428	warn "flushing outstanding aio requests";
		2429	for (;;) {
		2430	BDB::flush;
		2431	IO::AIO::flush;
		2432	Coro::cede;
		2433	last unless IO::AIO::nreqs || BDB::nreqs;
		2434	warn "iterate...";
		2435	}
		2436
		2437	++$RELOAD;
		2438
2023	# cancel all extension coros	2439	warn "cancelling all extension coros";
2024	$_->cancel for values %EXT_CORO;	2440	$_->cancel for values %EXT_CORO;
2025	%EXT_CORO = ();	2441	%EXT_CORO = ();
2026		2442
2027	# unload all extensions	2443	warn "removing commands";
2028	for (@exts) {	2444	%COMMAND = ();
		2445
		2446	warn "removing ext commands";
		2447	%EXTCMD = ();
		2448
		2449	warn "unloading/nuking all extensions";
		2450	for my $pkg (@EXTS) {
2029	warn "unloading <$_>";	2451	warn "... unloading $pkg";
2030	unload_extension $_;	2452
		2453	if (my $cb = $pkg->can ("unload")) {
		2454	eval {
		2455	$cb->($pkg);
		2456	1
		2457	} or warn "$pkg unloaded, but with errors: $@";
2031	}	2458	}
2032		2459
		2460	warn "... nuking $pkg";
		2461	Symbol::delete_package $pkg;
		2462	}
		2463
2033	# unload all modules loaded from $LIBDIR	2464	warn "unloading all perl modules loaded from $LIBDIR";
2034	while (my ($k, $v) = each %INC) {	2465	while (my ($k, $v) = each %INC) {
2035	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2466	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2036		2467
2037	warn "removing <$k>";	2468	warn "... unloading $k";
2038	delete $INC{$k};	2469	delete $INC{$k};
2039		2470
2040	$k =~ s/\.pm$//;	2471	$k =~ s/\.pm$//;
2041	$k =~ s/\//::/g;	2472	$k =~ s/\//::/g;
2042		2473
…		…
2045	}	2476	}
2046		2477
2047	Symbol::delete_package $k;	2478	Symbol::delete_package $k;
2048	}	2479	}
2049		2480
2050	# sync database to disk
2051	cf::db_sync;
2052	IO::AIO::flush;
2053
2054	# get rid of safe::, as good as possible	2481	warn "getting rid of safe::, as good as possible";
2055	Symbol::delete_package "safe::$_"	2482	Symbol::delete_package "safe::$_"
2056	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2483	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2057		2484
2058	# remove register_script_function callbacks
2059	# TODO
2060
2061	# unload cf.pm "a bit"	2485	warn "unloading cf.pm \"a bit\"";
2062	delete $INC{"cf.pm"};	2486	delete $INC{"cf.pm"};
2063		2487
2064	# don't, removes xs symbols, too,	2488	# don't, removes xs symbols, too,
2065	# and global variables created in xs	2489	# and global variables created in xs
2066	#Symbol::delete_package __PACKAGE__;	2490	#Symbol::delete_package __PACKAGE__;
2067		2491
2068	# reload cf.pm	2492	warn "unload completed, starting to reload now";
		2493
2069	warn "reloading cf.pm";	2494	warn "reloading cf.pm";
2070	require cf;	2495	require cf;
2071	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2496	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2072		2497
2073	# load config and database again	2498	warn "loading config and database again";
2074	cf::cfg_load;	2499	cf::cfg_load;
2075	cf::db_load;
2076		2500
2077	# load extensions
2078	warn "load extensions";	2501	warn "loading extensions";
2079	cf::load_extensions;	2502	cf::load_extensions;
2080		2503
2081	# reattach attachments to objects	2504	warn "reattaching attachments to objects/players";
2082	warn "reattach";	2505	_global_reattach; # objects, sockets
2083	_global_reattach;	2506	warn "reattaching attachments to maps";
2084	};	2507	reattach $_ for values %MAP;
		2508	warn "reattaching attachments to players";
		2509	reattach $_ for values %PLAYER;
2085		2510
2086	if ($@) {	2511	warn "loading reloadable resources";
		2512	reload_resources;
		2513
		2514	warn "leaving sync_job";
		2515
		2516	1
		2517	} or do {
2087	warn $@;	2518	warn $@;
2088	warn "error while reloading, exiting.";	2519	warn "error while reloading, exiting.";
2089	exit 1;	2520	exit 1;
2090	}	2521	};
2091		2522
2092	warn "reloaded successfully";	2523	warn "reloaded";
2093	};	2524	};
2094		2525
2095	#############################################################################	2526	our $RELOAD_WATCHER; # used only during reload
2096
2097	unless ($LINK_MAP) {
2098	$LINK_MAP = cf::map::new;
2099
2100	$LINK_MAP->width (41);
2101	$LINK_MAP->height (41);
2102	$LINK_MAP->alloc;
2103	$LINK_MAP->path ("{link}");
2104	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2105	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2106
2107	# dirty hack because... archetypes are not yet loaded
2108	Event->timer (
2109	after => 2,
2110	cb => sub {
2111	$_[0]->w->cancel;
2112
2113	# provide some exits "home"
2114	my $exit = cf::object::new "exit";
2115
2116	$exit->slaying ($EMERGENCY_POSITION->[0]);
2117	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2118	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2119
2120	$LINK_MAP->insert ($exit->clone, 19, 19);
2121	$LINK_MAP->insert ($exit->clone, 19, 20);
2122	$LINK_MAP->insert ($exit->clone, 19, 21);
2123	$LINK_MAP->insert ($exit->clone, 20, 19);
2124	$LINK_MAP->insert ($exit->clone, 20, 21);
2125	$LINK_MAP->insert ($exit->clone, 21, 19);
2126	$LINK_MAP->insert ($exit->clone, 21, 20);
2127	$LINK_MAP->insert ($exit->clone, 21, 21);
2128
2129	$exit->destroy;
2130	});
2131
2132	$LINK_MAP->{deny_save} = 1;
2133	$LINK_MAP->{deny_reset} = 1;
2134
2135	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2136	}
2137
2138	register "<global>", __PACKAGE__;
2139		2527
2140	register_command "reload" => sub {	2528	register_command "reload" => sub {
2141	my ($who, $arg) = @_;	2529	my ($who, $arg) = @_;
2142		2530
2143	if ($who->flag (FLAG_WIZ)) {	2531	if ($who->flag (FLAG_WIZ)) {
2144	$who->message ("start of reload.");	2532	$who->message ("reloading server.");
		2533
		2534	# doing reload synchronously and two reloads happen back-to-back,
		2535	# coro crashes during coro_state_free->destroy here.
		2536
		2537	$RELOAD_WATCHER ||= Event->timer (
		2538	reentrant => 0,
		2539	after => 0,
		2540	data => WF_AUTOCANCEL,
		2541	cb => sub {
2145	reload;	2542	reload;
2146	$who->message ("end of reload.");	2543	undef $RELOAD_WATCHER;
		2544	},
		2545	);
2147	}	2546	}
2148	};	2547	};
2149		2548
2150	unshift @INC, $LIBDIR;	2549	unshift @INC, $LIBDIR;
		2550
		2551	my $bug_warning = 0;
2151		2552
2152	$TICK_WATCHER = Event->timer (	2553	$TICK_WATCHER = Event->timer (
2153	reentrant => 0,	2554	reentrant => 0,
		2555	parked => 1,
2154	prio => 0,	2556	prio => 0,
2155	at => $NEXT_TICK || $TICK,	2557	at => $NEXT_TICK || $TICK,
2156	data => WF_AUTOCANCEL,	2558	data => WF_AUTOCANCEL,
2157	cb => sub {	2559	cb => sub {
2158	unless ($FREEZE) {	2560	if ($Coro::current != $Coro::main) {
		2561	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2562	unless ++$bug_warning > 10;
		2563	return;
		2564	}
		2565
		2566	$NOW = Event::time;
		2567
2159	cf::server_tick; # one server iteration	2568	cf::server_tick; # one server iteration
2160	$RUNTIME += $TICK;	2569	$RUNTIME += $TICK;
2161	}
2162
2163	$NEXT_TICK += $TICK;	2570	$NEXT_TICK += $TICK;
		2571
		2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2573	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2574	Coro::async_pool {
		2575	write_runtime
		2576	or warn "ERROR: unable to write runtime file: $!";
		2577	};
		2578	}
		2579
		2580	$WAIT_FOR_TICK->broadcast;
		2581	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2582
		2583	# my $AFTER = Event::time;
		2584	# warn $AFTER - $NOW;#d#
2164		2585
2165	# if we are delayed by four ticks or more, skip them all	2586	# if we are delayed by four ticks or more, skip them all
2166	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2167		2588
2168	$TICK_WATCHER->at ($NEXT_TICK);	2589	$TICK_WATCHER->at ($NEXT_TICK);
2169	$TICK_WATCHER->start;	2590	$TICK_WATCHER->start;
2170	},	2591	},
2171	);	2592	);
2172		2593
		2594	{
2173	IO::AIO::max_poll_time $TICK * 0.2;	2595	BDB::max_poll_time $TICK * 0.1;
2174		2596	$BDB_POLL_WATCHER = Event->io (
2175	Event->io (	2597	reentrant => 0,
2176	fd => IO::AIO::poll_fileno,	2598	fd => BDB::poll_fileno,
2177	poll => 'r',	2599	poll => 'r',
2178	prio => 5,	2600	prio => 0,
2179	data => WF_AUTOCANCEL,
2180	cb => \&IO::AIO::poll_cb,
2181	);
2182
2183	Event->timer (
2184	data => WF_AUTOCANCEL,	2601	data => WF_AUTOCANCEL,
2185	after => 0,	2602	cb => \&BDB::poll_cb,
2186	interval => 10,	2603	);
2187	cb => sub {	2604	BDB::min_parallel 8;
2188	(Coro::unblock_sub {	2605
2189	write_runtime	2606	BDB::set_sync_prepare {
2190	or warn "ERROR: unable to write runtime file: $!";	2607	my $status;
		2608	my $current = $Coro::current;
		2609	(
		2610	sub {
		2611	$status = $!;
		2612	$current->ready; undef $current;
		2613	},
		2614	sub {
		2615	Coro::schedule while defined $current;
		2616	$! = $status;
		2617	},
		2618	)
		2619	};
		2620
		2621	unless ($DB_ENV) {
		2622	$DB_ENV = BDB::db_env_create;
		2623
		2624	cf::sync_job {
		2625	eval {
		2626	BDB::db_env_open
		2627	$DB_ENV,
		2628	$BDB_ENV_DIR,
		2629	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2631	0666;
		2632
		2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2634
		2635	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2636	$DB_ENV->set_lk_detect;
		2637	};
		2638
		2639	cf::cleanup "db_env_open(db): $@" if $@;
2191	})->();	2640	};
2192	},	2641	}
2193	);	2642	}
		2643
		2644	{
		2645	IO::AIO::min_parallel 8;
		2646
		2647	undef $Coro::AIO::WATCHER;
		2648	IO::AIO::max_poll_time $TICK * 0.1;
		2649	$AIO_POLL_WATCHER = Event->io (
		2650	reentrant => 0,
		2651	data => WF_AUTOCANCEL,
		2652	fd => IO::AIO::poll_fileno,
		2653	poll => 'r',
		2654	prio => 6,
		2655	cb => \&IO::AIO::poll_cb,
		2656	);
		2657	}
		2658
		2659	END { cf::emergency_save }
2194		2660
2195	1	2661	1
2196		2662

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