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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.121 by root, Tue Jan 2 11:11:52 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 {
1156	my ($change) = @_;	1314	my ($change) = @_;
1157		1315
1158	$_->change_map_light ($change) for values %cf::MAP;	1316	$_->change_map_light ($change)
		1317	for grep $_->outdoor, values %cf::MAP;
1159	}	1318	}
1160		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
1161	sub try_load_header($) {	1328	sub load_header_from($) {
1162	my ($path) = @_;	1329	my ($self, $path) = @_;
1163		1330
1164	utf8::encode $path;	1331	utf8::encode $path;
1165	aio_open $path, O_RDONLY, 0	1332	#aio_open $path, O_RDONLY, 0
		1333	# or return;
		1334
		1335	$self->_load_header ($path)
1166	or return;	1336	or return;
1167		1337
1168	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
1169	or return;	1381	or return;
		1382	$self->prepare_orig;
		1383	}
1170		1384
1171	$map->load_header ($path)	1385	1
1172	or return;
1173
1174	$map->{load_path} = $path;
1175
1176	$map
1177	}	1386	}
1178		1387
		1388	sub find;
1179	sub find_map {	1389	sub find {
1180	my ($path, $origin) = @_;	1390	my ($path, $origin) = @_;
1181		1391
1182	#warn "find_map<$path,$origin>\n";#d#
1183
1184	$path = new cf::path $path, $origin && $origin->path;	1392	$path = normalise $path, $origin && $origin->path;
1185	my $key = $path->as_string;
1186		1393
1187	cf::lock_wait "map_find:$key";	1394	cf::lock_wait "map_find:$path";
1188		1395
1189	$cf::MAP{$key} || do {	1396	$cf::MAP{$path} || do {
1190	my $guard = cf::lock_acquire "map_find:$key";	1397	my $guard = cf::lock_acquire "map_find:$path";
1191		1398	my $map = new_from_path cf::map $path
1192	# do it the slow way
1193	my $map = try_load_header $path->save_path;
1194
1195	if ($map) {
1196	# safety
1197	$map->{instantiate_time} = $cf::RUNTIME
1198	if $map->{instantiate_time} > $cf::RUNTIME;
1199	} else {
1200	if (my $rmp = $path->random_map_params) {
1201	$map = generate_random_map $key, $rmp;
1202	} else {
1203	$map = try_load_header $path->load_path;
1204	}
1205
1206	$map or return;	1399	or return;
1207		1400
1208	$map->{load_original} = 1;
1209	$map->{instantiate_time} = $cf::RUNTIME;
1210	$map->instantiate;
1211
1212	# per-player maps become, after loading, normal maps
1213	$map->per_player (0) if $path->{user_rel};
1214	}
1215
1216	$map->path ($key);
1217	$map->{path} = $path;
1218	$map->{last_save} = $cf::RUNTIME;	1401	$map->{last_save} = $cf::RUNTIME;
1219	$map->last_access ($cf::RUNTIME);
1220		1402
1221	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;
1222	$map->reset;	1409	$map->reset;
1223	$map = find_map $path;	1410	undef $guard;
		1411	return find $path;
1224	}	1412	}
1225		1413
1226	$cf::MAP{$key} = $map	1414	$cf::MAP{$path} = $map
1227	}	1415	}
1228	}	1416	}
		1417
		1418	sub pre_load { }
		1419	sub post_load { }
1229		1420
1230	sub load {	1421	sub load {
1231	my ($self) = @_;	1422	my ($self) = @_;
1232		1423
		1424	local $self->{deny_reset} = 1; # loading can take a long time
		1425
1233	my $path = $self->{path};	1426	my $path = $self->{path};
1234	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1427	my $guard = cf::lock_acquire "map_load:$path";
1235		1428
1236	return if $self->in_memory != cf::MAP_SWAPPED;	1429	return if $self->in_memory != cf::MAP_SWAPPED;
1237		1430
1238	$self->in_memory (cf::MAP_LOADING);	1431	$self->in_memory (cf::MAP_LOADING);
1239		1432
1240	$self->alloc;	1433	$self->alloc;
		1434
		1435	$self->pre_load;
		1436
1241	$self->load_objects ($self->{load_path}, 1)	1437	$self->_load_objects ($self->{load_path}, 1)
1242	or return;	1438	or return;
1243		1439
1244	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1245	if delete $self->{load_original};	1441	if delete $self->{load_original};
1246		1442
1247	if (my $uniq = $path->uniq_path) {	1443	if (my $uniq = $self->uniq_path) {
1248	utf8::encode $uniq;	1444	utf8::encode $uniq;
1249	if (aio_open $uniq, O_RDONLY, 0) {	1445	if (aio_open $uniq, O_RDONLY, 0) {
1250	$self->clear_unique_items;	1446	$self->clear_unique_items;
1251	$self->load_objects ($uniq, 0);	1447	$self->_load_objects ($uniq, 0);
1252	}	1448	}
1253	}	1449	}
		1450
		1451	Coro::cede;
1254		1452
1255	# now do the right thing for maps	1453	# now do the right thing for maps
1256	$self->link_multipart_objects;	1454	$self->link_multipart_objects;
1257		1455
1258	if ($self->{path}->is_style_map) {	1456	unless ($self->{deny_activate}) {
1259	$self->{deny_save} = 1;	1457	$self->decay_objects;
1260	$self->{deny_reset} = 1;
1261	} else {
1262	$self->fix_auto_apply;	1458	$self->fix_auto_apply;
1263	$self->decay_objects;
1264	$self->update_buttons;	1459	$self->update_buttons;
		1460	Coro::cede;
1265	$self->set_darkness_map;	1461	$self->set_darkness_map;
1266	$self->difficulty ($self->estimate_difficulty)	1462	$self->difficulty ($self->estimate_difficulty)
1267	unless $self->difficulty;	1463	unless $self->difficulty;
		1464	Coro::cede;
1268	$self->activate;	1465	$self->activate;
1269	}	1466	}
1270		1467
		1468	$self->post_load;
		1469
1271	$self->in_memory (cf::MAP_IN_MEMORY);	1470	$self->in_memory (cf::MAP_IN_MEMORY);
1272	}	1471	}
1273		1472
1274	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 {
1275	my ($path, $origin) = @_;	1507	my ($path, $origin) = @_;
1276		1508
1277	#warn "load_map_sync<$path, $origin>\n";#d#	1509	cf::sync_job { find $path, $origin }
		1510	}
1278		1511
1279	cf::sync_job {	1512	sub do_load_sync {
1280	my $map = cf::map::find_map $path, $origin	1513	my ($map) = @_;
1281	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;
1282	$map->load;	1536	$map->load;
1283	$map	1537
		1538	delete $MAP_PREFETCH{$path};
		1539	}
		1540	}
		1541	undef $MAP_PREFETCHER;
1284	}	1542	};
		1543	$MAP_PREFETCHER->prio (6);
		1544
		1545	()
1285	}	1546	}
1286		1547
1287	sub save {	1548	sub save {
1288	my ($self) = @_;	1549	my ($self) = @_;
1289		1550
		1551	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1552
1290	$self->{last_save} = $cf::RUNTIME;	1553	$self->{last_save} = $cf::RUNTIME;
1291		1554
1292	return unless $self->dirty;	1555	return unless $self->dirty;
1293		1556
1294	my $save = $self->{path}->save_path; utf8::encode $save;	1557	my $save = $self->save_path; utf8::encode $save;
1295	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1558	my $uniq = $self->uniq_path; utf8::encode $uniq;
1296		1559
1297	$self->{load_path} = $save;	1560	$self->{load_path} = $save;
1298		1561
1299	return if $self->{deny_save};	1562	return if $self->{deny_save};
1300		1563
		1564	local $self->{last_access} = $self->last_access;#d#
		1565
		1566	cf::async {
		1567	$_->contr->save for $self->players;
		1568	};
		1569
1301	if ($uniq) {	1570	if ($uniq) {
1302	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1571	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1303	$self->save_objects ($uniq, cf::IO_UNIQUES);	1572	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1304	} else {	1573	} else {
1305	$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);
1306	}	1575	}
1307	}	1576	}
1308		1577
1309	sub swap_out {	1578	sub swap_out {
1310	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;
1311		1585
1312	return if $self->players;	1586	return if $self->players;
1313	return if $self->in_memory != cf::MAP_IN_MEMORY;	1587	return if $self->in_memory != cf::MAP_IN_MEMORY;
1314	return if $self->{deny_save};	1588	return if $self->{deny_save};
1315		1589
1316	$self->save;
1317	$self->clear;	1590	$self->clear;
1318	$self->in_memory (cf::MAP_SWAPPED);	1591	$self->in_memory (cf::MAP_SWAPPED);
1319	}	1592	}
1320		1593
1321	sub reset_at {	1594	sub reset_at {
1322	my ($self) = @_;	1595	my ($self) = @_;
1323		1596
1324	# TODO: safety, remove and allow resettable per-player maps	1597	# TODO: safety, remove and allow resettable per-player maps
1325	return 1e99 if $self->{path}{user_rel};	1598	return 1e99 if $self->isa ("ext::map_per_player");#d#
1326	return 1e99 if $self->{deny_reset};	1599	return 1e99 if $self->{deny_reset};
1327		1600
1328	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1329	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;
1330		1603
…		…
1335	my ($self) = @_;	1608	my ($self) = @_;
1336		1609
1337	$self->reset_at <= $cf::RUNTIME	1610	$self->reset_at <= $cf::RUNTIME
1338	}	1611	}
1339		1612
1340	sub unlink_save {
1341	my ($self) = @_;
1342
1343	utf8::encode (my $save = $self->{path}->save_path);
1344	aioreq_pri 3; IO::AIO::aio_unlink $save;
1345	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1346	}
1347
1348	sub rename {
1349	my ($self, $new_path) = @_;
1350
1351	$self->unlink_save;
1352
1353	delete $cf::MAP{$self->path};
1354	$self->{path} = new cf::path $new_path;
1355	$self->path ($self->{path}->as_string);
1356	$cf::MAP{$self->path} = $self;
1357
1358	$self->save;
1359	}
1360
1361	sub reset {	1613	sub reset {
1362	my ($self) = @_;	1614	my ($self) = @_;
1363		1615
		1616	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1617
1364	return if $self->players;	1618	return if $self->players;
1365	return if $self->{path}{user_rel};#d#	1619	return if $self->isa ("ext::map_per_player");#d#
1366		1620
1367	warn "resetting map ", $self->path;#d#	1621	warn "resetting map ", $self->path;#d#
1368		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
1369	delete $cf::MAP{$self->path};	1633	delete $cf::MAP{$self->path};
		1634
		1635	$self->clear;
1370		1636
1371	$_->clear_links_to ($self) for values %cf::MAP;	1637	$_->clear_links_to ($self) for values %cf::MAP;
1372		1638
1373	$self->unlink_save;	1639	$self->unlink_save;
1374	$self->destroy;	1640	$self->destroy;
…		…
1377	my $nuke_counter = "aaaa";	1643	my $nuke_counter = "aaaa";
1378		1644
1379	sub nuke {	1645	sub nuke {
1380	my ($self) = @_;	1646	my ($self) = @_;
1381		1647
		1648	delete $cf::MAP{$self->path};
		1649
		1650	$self->unlink_save;
		1651
		1652	bless $self, "cf::map";
		1653	delete $self->{deny_reset};
1382	$self->{deny_save} = 1;	1654	$self->{deny_save} = 1;
1383	$self->reset_timeout (1);	1655	$self->reset_timeout (1);
1384	$self->rename ("{nuke}/" . ($nuke_counter++));	1656	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1657
		1658	$cf::MAP{$self->path} = $self;
		1659
1385	$self->reset; # polite request, might not happen	1660	$self->reset; # polite request, might not happen
1386	}	1661	}
1387		1662
1388	sub customise_for {	1663	=item cf::map::unique_maps
1389	my ($map, $ob) = @_;
1390		1664
1391	if ($map->per_player) {	1665	Returns an arrayref of paths of all shared maps that have
1392	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1666	instantiated unique items. May block.
1393	}
1394		1667
1395	$map	1668	=cut
1396	}
1397		1669
1398	sub emergency_save {	1670	sub unique_maps() {
1399	local $cf::FREEZE = 1;	1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1672	or return;
1400		1673
1401	warn "enter emergency map save\n";	1674	my @paths;
1402		1675
1403	cf::sync_job {	1676	for (@$files) {
1404	warn "begin emergency map save\n";	1677	utf8::decode $_;
1405	$_->save for values %cf::MAP;	1678	next if /\.pst$/;
		1679	next unless /^$PATH_SEP/o;
		1680
		1681	push @paths, cf::map::normalise $_;
1406	};	1682	}
1407		1683
1408	warn "end emergency map save\n";	1684	\@paths
1409	}	1685	}
1410		1686
1411	package cf;	1687	package cf;
1412		1688
1413	=back	1689	=back
1414		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
1415		1717
1416	=head3 cf::object::player	1718	=head3 cf::object::player
1417		1719
1418	=over 4	1720	=over 4
1419		1721
…		…
1459		1761
1460	=item $player_object->enter_link	1762	=item $player_object->enter_link
1461		1763
1462	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}>).
1463		1765
1464	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
1465	I<MUST> call C<leave_link> as soon as possible, though.	1767	I<MUST> call C<leave_link> as soon as possible, though.
1466		1768
		1769	Will never block.
		1770
1467	=item $player_object->leave_link ($map, $x, $y)	1771	=item $player_object->leave_link ($map, $x, $y)
1468		1772
1469	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
1470	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
1471	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
1472	to the emergency map position.	1776	fails, to the emergency map position.
1473		1777
1474	Might block.	1778	Might block.
1475		1779
1476	=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	}
1477		1791
1478	sub cf::object::player::enter_link {	1792	sub cf::object::player::enter_link {
1479	my ($self) = @_;	1793	my ($self) = @_;
1480		1794
1481	$self->deactivate_recursive;	1795	$self->deactivate_recursive;
1482		1796
1483	return if $self->map == $LINK_MAP;	1797	return if UNIVERSAL::isa $self->map, "ext::map_link";
1484		1798
1485	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1486	if $self->map;	1800	if $self->map;
1487		1801
1488	$self->enter_map ($LINK_MAP, 20, 20);	1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1489	}	1803	}
1490		1804
1491	sub cf::object::player::leave_link {	1805	sub cf::object::player::leave_link {
1492	my ($self, $map, $x, $y) = @_;	1806	my ($self, $map, $x, $y) = @_;
1493		1807
1494	my $link_pos = delete $self->{_link_pos};	1808	my $link_pos = delete $self->{_link_pos};
1495		1809
1496	unless ($map) {	1810	unless ($map) {
1497	# restore original map position	1811	# restore original map position
1498	($map, $x, $y) = @{ $link_pos || [] };	1812	($map, $x, $y) = @{ $link_pos || [] };
1499	$map = cf::map::find_map $map;	1813	$map = cf::map::find $map;
1500		1814
1501	unless ($map) {	1815	unless ($map) {
1502	($map, $x, $y) = @$EMERGENCY_POSITION;	1816	($map, $x, $y) = @$EMERGENCY_POSITION;
1503	$map = cf::map::find_map $map	1817	$map = cf::map::find $map
1504	or die "FATAL: cannot load emergency map\n";	1818	or die "FATAL: cannot load emergency map\n";
1505	}	1819	}
1506	}	1820	}
1507		1821
1508	($x, $y) = (-1, -1)	1822	($x, $y) = (-1, -1)
…		…
1511	# use -1 or undef as default coordinates, not 0, 0	1825	# use -1 or undef as default coordinates, not 0, 0
1512	($x, $y) = ($map->enter_x, $map->enter_y)	1826	($x, $y) = ($map->enter_x, $map->enter_y)
1513	if $x <=0 && $y <= 0;	1827	if $x <=0 && $y <= 0;
1514		1828
1515	$map->load;	1829	$map->load;
		1830	$map->load_diag;
1516		1831
		1832	return unless $self->contr->active;
1517	$self->activate_recursive;	1833	$self->activate_recursive;
		1834
		1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1518	$self->enter_map ($map, $x, $y);	1836	$self->enter_map ($map, $x, $y);
1519	}	1837	}
1520		1838
1521	cf::player->attach (	1839	cf::player->attach (
1522	on_logout => sub {	1840	on_logout => sub {
…		…
1534		1852
1535	# try to abort aborted map switching on player login :)	1853	# try to abort aborted map switching on player login :)
1536	# should happen only on crashes	1854	# should happen only on crashes
1537	if ($pl->ob->{_link_pos}) {	1855	if ($pl->ob->{_link_pos}) {
1538	$pl->ob->enter_link;	1856	$pl->ob->enter_link;
1539	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);
1540	# 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
1541	# 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
1542	Coro::Timer::sleep 1;	1864	Coro::Timer::sleep 1;
1543	$pl->ob->leave_link;	1865	$pl->ob->leave_link;
1544	};	1866	})->prio (2);
1545	}	1867	}
1546	},	1868	},
1547	);	1869	);
1548		1870
1549	=item $player_object->goto_map ($path, $x, $y)	1871	=item $player_object->goto ($path, $x, $y)
1550		1872
1551	=cut	1873	=cut
1552		1874
1553	sub cf::object::player::goto_map {	1875	sub cf::object::player::goto {
1554	my ($self, $path, $x, $y) = @_;	1876	my ($self, $path, $x, $y) = @_;
1555		1877
1556	$self->enter_link;	1878	$self->enter_link;
1557		1879
1558	(Coro::async {	1880	(async {
1559	$path = new cf::path $path;	1881	my $map = eval {
1560
1561	my $map = cf::map::find_map $path->as_string;	1882	my $map = cf::map::find $path;
1562	$map = $map->customise_for ($self) if $map;	1883	$map = $map->customise_for ($self) if $map;
1563		1884	$map
1564	# warn "entering ", $map->path, " at ($x, $y)\n"	1885	} or
1565	# if $map;
1566
1567	$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);
1568		1887
1569	$self->leave_link ($map, $x, $y);	1888	$self->leave_link ($map, $x, $y);
1570	})->prio (1);	1889	})->prio (1);
1571	}	1890	}
1572		1891
…		…
1576		1895
1577	sub parse_random_map_params {	1896	sub parse_random_map_params {
1578	my ($spec) = @_;	1897	my ($spec) = @_;
1579		1898
1580	my $rmp = { # defaults	1899	my $rmp = { # defaults
1581	xsize => 10,	1900	xsize => (cf::rndm 15, 40),
1582	ysize => 10,	1901	ysize => (cf::rndm 15, 40),
		1902	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1903	#layout => string,
1583	};	1904	};
1584		1905
1585	for (split /\n/, $spec) {	1906	for (split /\n/, $spec) {
1586	my ($k, $v) = split /\s+/, $_, 2;	1907	my ($k, $v) = split /\s+/, $_, 2;
1587		1908
…		…
1591	$rmp	1912	$rmp
1592	}	1913	}
1593		1914
1594	sub prepare_random_map {	1915	sub prepare_random_map {
1595	my ($exit) = @_;	1916	my ($exit) = @_;
		1917
		1918	my $guard = cf::lock_acquire "exit_prepare:$exit";
1596		1919
1597	# all this does is basically replace the /! path by	1920	# all this does is basically replace the /! path by
1598	# a new random map path (?random/...) with a seed	1921	# a new random map path (?random/...) with a seed
1599	# that depends on the exit object	1922	# that depends on the exit object
1600		1923
1601	my $rmp = parse_random_map_params $exit->msg;	1924	my $rmp = parse_random_map_params $exit->msg;
1602		1925
1603	if ($exit->map) {	1926	if ($exit->map) {
1604	$rmp->{region} = $exit->map->region_name;	1927	$rmp->{region} = $exit->region->name;
1605	$rmp->{origin_map} = $exit->map->path;	1928	$rmp->{origin_map} = $exit->map->path;
1606	$rmp->{origin_x} = $exit->x;	1929	$rmp->{origin_x} = $exit->x;
1607	$rmp->{origin_y} = $exit->y;	1930	$rmp->{origin_y} = $exit->y;
1608	}	1931	}
1609		1932
1610	$rmp->{random_seed} ||= $exit->random_seed;	1933	$rmp->{random_seed} ||= $exit->random_seed;
1611		1934
1612	my $data = cf::to_json $rmp;	1935	my $data = cf::to_json $rmp;
1613	my $md5 = Digest::MD5::md5_hex $data;	1936	my $md5 = Digest::MD5::md5_hex $data;
		1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1614		1938
1615	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) {
1616	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;
1617		1943
1618	$exit->slaying ("?random/$md5");	1944	$exit->slaying ("?random/$md5");
1619	$exit->msg (undef);	1945	$exit->msg (undef);
1620	}	1946	}
1621	}	1947	}
…		…
1623	sub cf::object::player::enter_exit {	1949	sub cf::object::player::enter_exit {
1624	my ($self, $exit) = @_;	1950	my ($self, $exit) = @_;
1625		1951
1626	return unless $self->type == cf::PLAYER;	1952	return unless $self->type == cf::PLAYER;
1627		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
1628	$self->enter_link;	1963	$self->enter_link;
1629		1964
1630	(Coro::async {	1965	(async {
		1966	$self->deactivate_recursive; # just to be sure
1631	unless (eval {	1967	unless (eval {
1632		1968	$self->goto ($slaying, $hp, $sp);
1633	prepare_random_map $exit
1634	if $exit->slaying eq "/!";
1635
1636	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1637	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1638		1969
1639	1;	1970	1;
1640	}) {	1971	}) {
1641	$self->message ("Something went wrong deep within the crossfire server. "	1972	$self->message ("Something went wrong deep within the crossfire server. "
1642	. "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. "
1643	. "Please report this to the dungeon master",	1974	. "Please report this to the dungeon master!",
1644	cf::NDI_UNIQUE | cf::NDI_RED);	1975	cf::NDI_UNIQUE | cf::NDI_RED);
1645		1976
1646	warn "ERROR in enter_exit: $@";	1977	warn "ERROR in enter_exit: $@";
1647	$self->leave_link;	1978	$self->leave_link;
1648	}	1979	}
…		…
1699	on_reply => sub {	2030	on_reply => sub {
1700	my ($ns, $msg) = @_;	2031	my ($ns, $msg) = @_;
1701		2032
1702	# this weird shuffling is so that direct followup queries	2033	# this weird shuffling is so that direct followup queries
1703	# get handled first	2034	# get handled first
1704	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
1705		2037
1706	(shift @$queue)->[1]->($msg);	2038	(shift @$queue)->[1]->($msg);
		2039	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1707		2040
1708	push @{ $ns->{query_queue} }, @$queue;	2041	push @{ $ns->{query_queue} }, @$queue;
1709		2042
1710	if (@{ $ns->{query_queue} } == @$queue) {	2043	if (@{ $ns->{query_queue} } == @$queue) {
1711	if (@$queue) {	2044	if (@$queue) {
…		…
1715	}	2048	}
1716	}	2049	}
1717	},	2050	},
1718	);	2051	);
1719		2052
1720	=item $client->coro (\&cb)	2053	=item $client->async (\&cb)
1721		2054
1722	Create a new coroutine, running the specified callback. The coroutine will	2055	Create a new coroutine, running the specified callback. The coroutine will
1723	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,
1724	or loss of connection).	2057	or loss of connection).
1725		2058
1726	=cut	2059	=cut
1727		2060
1728	sub cf::client::coro {	2061	sub cf::client::async {
1729	my ($self, $cb) = @_;	2062	my ($self, $cb) = @_;
1730		2063
1731	my $coro; $coro = async {	2064	my $coro = &Coro::async ($cb);
1732	eval {
1733	$cb->();
1734	};
1735	warn $@ if $@;
1736	};
1737		2065
1738	$coro->on_destroy (sub {	2066	$coro->on_destroy (sub {
1739	delete $self->{_coro}{$coro+0};	2067	delete $self->{_coro}{$coro+0};
1740	});	2068	});
1741		2069
…		…
1877	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
1878	using it, it should be unique.	2206	using it, it should be unique.
1879		2207
1880	=over 4	2208	=over 4
1881		2209
1882	=item $hashref = cf::db_get $family
1883
1884	Return a hashref for use by the extension C<$family>, which can be
1885	modified. After modifications, you have to call C<cf::db_dirty> or
1886	C<cf::db_sync>.
1887
1888	=item $value = cf::db_get $family => $key	2210	=item $value = cf::db_get $family => $key
1889		2211
1890	Returns a single value from the database	2212	Returns a single value from the database.
1891
1892	=item cf::db_put $family => $hashref
1893
1894	Stores the given family hashref into the database. Updates are delayed, if
1895	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1896		2213
1897	=item cf::db_put $family => $key => $value	2214	=item cf::db_put $family => $key => $value
1898		2215
1899	Stores the given C<$value> in the family hash. Updates are delayed, if you	2216	Stores the given C<$value> in the family.
1900	want the data to be synced to disk immediately, use C<cf::db_sync>.
1901
1902	=item cf::db_dirty
1903
1904	Marks the database as dirty, to be updated at a later time.
1905
1906	=item cf::db_sync
1907
1908	Immediately write the database to disk I<if it is dirty>.
1909		2217
1910	=cut	2218	=cut
1911		2219
1912	our $DB;	2220	our $DB;
1913		2221
1914	{	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
1915	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;
1916		2241
1917	sub db_load() {	2242	cf::db_put (board => data => $pst->{board});
1918	$DB = stat $path ? Storable::retrieve $path : { };	2243	cf::db_put (guildrules => data => $pst->{guildrules});
1919	}	2244	cf::db_put (rent => balance => $pst->{rent}{balance});
		2245	BDB::db_env_txn_checkpoint $DB_ENV;
1920		2246
1921	my $pid;	2247	unlink $path;
1922
1923	sub db_save() {
1924	waitpid $pid, 0 if $pid;
1925	if (0 == ($pid = fork)) {
1926	$DB->{_meta}{version} = 1;
1927	Storable::nstore $DB, "$path~";
1928	rename "$path~", $path;
1929	cf::_exit 0 if defined $pid;
1930	}	2248	};
1931	}
1932
1933	my $dirty;
1934
1935	sub db_sync() {
1936	db_save if $dirty;
1937	undef $dirty;
1938	}
1939
1940	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1941	db_sync;
1942	});
1943
1944	sub db_dirty() {
1945	$dirty = 1;
1946	$idle->start;
1947	}
1948
1949	sub db_get($;$) {
1950	@_ >= 2
1951	? $DB->{$_[0]}{$_[1]}
1952	: ($DB->{$_[0]} ||= { })
1953	}
1954
1955	sub db_put($$;$) {
1956	if (@_ >= 3) {
1957	$DB->{$_[0]}{$_[1]} = $_[2];
1958	} else {
1959	$DB->{$_[0]} = $_[1];
1960	}
1961	db_dirty;
1962	}
1963
1964	cf::global->attach (
1965	prio => 10000,
1966	on_cleanup => sub {
1967	db_sync;
1968	},	2249	}
1969	);	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 { };
1970	}	2267	}
1971		2268
1972	#############################################################################	2269	#############################################################################
1973	# 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	}
1974		2305
1975	sub cfg_load {	2306	sub cfg_load {
1976	open my $fh, "<:utf8", cf::confdir . "/config"	2307	open my $fh, "<:utf8", cf::confdir . "/config"
1977	or return;	2308	or return;
1978		2309
1979	local $/;	2310	local $/;
1980	*CFG = YAML::Syck::Load <$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	}
1981	}	2325	}
1982		2326
1983	sub main {	2327	sub main {
1984	# we must not ever block the main coroutine	2328	# we must not ever block the main coroutine
1985	local $Coro::idle = sub {	2329	local $Coro::idle = sub {
1986	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#
1987	(Coro::unblock_sub {	2331	(async {
1988	Event::one_event;	2332	Event::one_event;
1989	})->();	2333	})->prio (Coro::PRIO_MAX);
1990	};	2334	};
1991		2335
1992	cfg_load;	2336	cfg_load;
1993	db_load;	2337	db_init;
1994	load_extensions;	2338	load_extensions;
		2339
		2340	$TICK_WATCHER->start;
1995	Event::loop;	2341	Event::loop;
1996	}	2342	}
1997		2343
1998	#############################################################################	2344	#############################################################################
1999	# 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 $make_core;
		2400	}
2000		2401
2001	sub reload() {	2402	sub reload() {
2002	# can/must only be called in main	2403	# can/must only be called in main
2003	if ($Coro::current != $Coro::main) {	2404	if ($Coro::current != $Coro::main) {
2004	warn "can only reload from main coroutine\n";	2405	warn "can only reload from main coroutine";
2005	return;	2406	return;
2006	}	2407	}
2007		2408
2008	warn "reloading...";	2409	warn "reloading...";
2009		2410
2010	local $FREEZE = 1;	2411	warn "entering sync_job";
		2412
		2413	cf::sync_job {
		2414	cf::write_runtime; # external watchdog should not bark
2011	cf::emergency_save;	2415	cf::emergency_save;
		2416	cf::write_runtime; # external watchdog should not bark
2012		2417
2013	eval {	2418	warn "syncing database to disk";
		2419	BDB::db_env_txn_checkpoint $DB_ENV;
		2420
2014	# 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
2015		2422
2016	# cancel all watchers	2423	warn "cancelling all WF_AUTOCANCEL watchers";
2017	for (Event::all_watchers) {	2424	for (Event::all_watchers) {
2018	$_->cancel if $_->data & WF_AUTOCANCEL;	2425	$_->cancel if $_->data & WF_AUTOCANCEL;
2019	}	2426	}
2020		2427
		2428	warn "flushing outstanding aio requests";
		2429	for (;;) {
		2430	BDB::flush;
		2431	IO::AIO::flush;
		2432	Coro::cede;
		2433	last unless IO::AIO::nreqs || BDB::nreqs;
		2434	warn "iterate...";
		2435	}
		2436
		2437	++$RELOAD;
		2438
2021	# cancel all extension coros	2439	warn "cancelling all extension coros";
2022	$_->cancel for values %EXT_CORO;	2440	$_->cancel for values %EXT_CORO;
2023	%EXT_CORO = ();	2441	%EXT_CORO = ();
2024		2442
2025	# unload all extensions	2443	warn "removing commands";
2026	for (@exts) {	2444	%COMMAND = ();
		2445
		2446	warn "removing ext commands";
		2447	%EXTCMD = ();
		2448
		2449	warn "unloading/nuking all extensions";
		2450	for my $pkg (@EXTS) {
2027	warn "unloading <$_>";	2451	warn "... unloading $pkg";
2028	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: $@";
2029	}	2458	}
2030		2459
		2460	warn "... nuking $pkg";
		2461	Symbol::delete_package $pkg;
		2462	}
		2463
2031	# unload all modules loaded from $LIBDIR	2464	warn "unloading all perl modules loaded from $LIBDIR";
2032	while (my ($k, $v) = each %INC) {	2465	while (my ($k, $v) = each %INC) {
2033	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2466	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2034		2467
2035	warn "removing <$k>";	2468	warn "... unloading $k";
2036	delete $INC{$k};	2469	delete $INC{$k};
2037		2470
2038	$k =~ s/\.pm$//;	2471	$k =~ s/\.pm$//;
2039	$k =~ s/\//::/g;	2472	$k =~ s/\//::/g;
2040		2473
…		…
2043	}	2476	}
2044		2477
2045	Symbol::delete_package $k;	2478	Symbol::delete_package $k;
2046	}	2479	}
2047		2480
2048	# sync database to disk
2049	cf::db_sync;
2050	IO::AIO::flush;
2051
2052	# get rid of safe::, as good as possible	2481	warn "getting rid of safe::, as good as possible";
2053	Symbol::delete_package "safe::$_"	2482	Symbol::delete_package "safe::$_"
2054	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);
2055		2484
2056	# remove register_script_function callbacks
2057	# TODO
2058
2059	# unload cf.pm "a bit"	2485	warn "unloading cf.pm \"a bit\"";
2060	delete $INC{"cf.pm"};	2486	delete $INC{"cf.pm"};
2061		2487
2062	# don't, removes xs symbols, too,	2488	# don't, removes xs symbols, too,
2063	# and global variables created in xs	2489	# and global variables created in xs
2064	#Symbol::delete_package __PACKAGE__;	2490	#Symbol::delete_package __PACKAGE__;
2065		2491
2066	# reload cf.pm	2492	warn "unload completed, starting to reload now";
		2493
2067	warn "reloading cf.pm";	2494	warn "reloading cf.pm";
2068	require cf;	2495	require cf;
2069	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2496	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2070		2497
2071	# load config and database again	2498	warn "loading config and database again";
2072	cf::cfg_load;	2499	cf::cfg_load;
2073	cf::db_load;
2074		2500
2075	# load extensions
2076	warn "load extensions";	2501	warn "loading extensions";
2077	cf::load_extensions;	2502	cf::load_extensions;
2078		2503
2079	# reattach attachments to objects	2504	warn "reattaching attachments to objects/players";
2080	warn "reattach";	2505	_global_reattach; # objects, sockets
2081	_global_reattach;	2506	warn "reattaching attachments to maps";
2082	};	2507	reattach $_ for values %MAP;
		2508	warn "reattaching attachments to players";
		2509	reattach $_ for values %PLAYER;
2083		2510
2084	if ($@) {	2511	warn "loading reloadable resources";
		2512	reload_resources;
		2513
		2514	warn "leaving sync_job";
		2515
		2516	1
		2517	} or do {
2085	warn $@;	2518	warn $@;
2086	warn "error while reloading, exiting.";	2519	warn "error while reloading, exiting.";
2087	exit 1;	2520	exit 1;
2088	}	2521	};
2089		2522
2090	warn "reloaded successfully";	2523	warn "reloaded";
2091	};	2524	};
2092		2525
2093	#############################################################################	2526	our $RELOAD_WATCHER; # used only during reload
2094
2095	unless ($LINK_MAP) {
2096	$LINK_MAP = cf::map::new;
2097
2098	$LINK_MAP->width (41);
2099	$LINK_MAP->height (41);
2100	$LINK_MAP->alloc;
2101	$LINK_MAP->path ("{link}");
2102	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2103	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2104
2105	# dirty hack because... archetypes are not yet loaded
2106	Event->timer (
2107	after => 2,
2108	cb => sub {
2109	$_[0]->w->cancel;
2110
2111	# provide some exits "home"
2112	my $exit = cf::object::new "exit";
2113
2114	$exit->slaying ($EMERGENCY_POSITION->[0]);
2115	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2116	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2117
2118	$LINK_MAP->insert ($exit->clone, 19, 19);
2119	$LINK_MAP->insert ($exit->clone, 19, 20);
2120	$LINK_MAP->insert ($exit->clone, 19, 21);
2121	$LINK_MAP->insert ($exit->clone, 20, 19);
2122	$LINK_MAP->insert ($exit->clone, 20, 21);
2123	$LINK_MAP->insert ($exit->clone, 21, 19);
2124	$LINK_MAP->insert ($exit->clone, 21, 20);
2125	$LINK_MAP->insert ($exit->clone, 21, 21);
2126
2127	$exit->destroy;
2128	});
2129
2130	$LINK_MAP->{deny_save} = 1;
2131	$LINK_MAP->{deny_reset} = 1;
2132
2133	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2134	}
2135
2136	register "<global>", __PACKAGE__;
2137		2527
2138	register_command "reload" => sub {	2528	register_command "reload" => sub {
2139	my ($who, $arg) = @_;	2529	my ($who, $arg) = @_;
2140		2530
2141	if ($who->flag (FLAG_WIZ)) {	2531	if ($who->flag (FLAG_WIZ)) {
2142	$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 {
2143	reload;	2542	reload;
2144	$who->message ("end of reload.");	2543	undef $RELOAD_WATCHER;
		2544	},
		2545	);
2145	}	2546	}
2146	};	2547	};
2147		2548
2148	unshift @INC, $LIBDIR;	2549	unshift @INC, $LIBDIR;
		2550
		2551	my $bug_warning = 0;
2149		2552
2150	$TICK_WATCHER = Event->timer (	2553	$TICK_WATCHER = Event->timer (
2151	reentrant => 0,	2554	reentrant => 0,
		2555	parked => 1,
2152	prio => 0,	2556	prio => 0,
2153	at => $NEXT_TICK || $TICK,	2557	at => $NEXT_TICK || $TICK,
2154	data => WF_AUTOCANCEL,	2558	data => WF_AUTOCANCEL,
2155	cb => sub {	2559	cb => sub {
2156	unless ($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
2157	cf::server_tick; # one server iteration	2568	cf::server_tick; # one server iteration
2158	$RUNTIME += $TICK;	2569	$RUNTIME += $TICK;
2159	}
2160
2161	$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#
2162		2585
2163	# 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
2164	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2165		2588
2166	$TICK_WATCHER->at ($NEXT_TICK);	2589	$TICK_WATCHER->at ($NEXT_TICK);
2167	$TICK_WATCHER->start;	2590	$TICK_WATCHER->start;
2168	},	2591	},
2169	);	2592	);
2170		2593
		2594	{
2171	IO::AIO::max_poll_time $TICK * 0.2;	2595	BDB::max_poll_time $TICK * 0.1;
2172		2596	$BDB_POLL_WATCHER = Event->io (
2173	Event->io (	2597	reentrant => 0,
2174	fd => IO::AIO::poll_fileno,	2598	fd => BDB::poll_fileno,
2175	poll => 'r',	2599	poll => 'r',
2176	prio => 5,	2600	prio => 0,
2177	data => WF_AUTOCANCEL,
2178	cb => \&IO::AIO::poll_cb,
2179	);
2180
2181	Event->timer (
2182	data => WF_AUTOCANCEL,	2601	data => WF_AUTOCANCEL,
2183	after => 0,	2602	cb => \&BDB::poll_cb,
2184	interval => 10,	2603	);
2185	cb => sub {	2604	BDB::min_parallel 8;
2186	(Coro::unblock_sub {	2605
2187	write_runtime	2606	BDB::set_sync_prepare {
2188	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 $@;
2189	})->();	2640	};
2190	},	2641	}
2191	);	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 }
2192		2660
2193	1	2661	1
2194		2662

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