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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.130 by root, Thu Jan 4 00:08:08 2007 UTC vs.
Revision 1.215 by root, Thu Feb 15 03:19:02 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3 ();	13	use Coro 3.5 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use BDB ();
		21	use Data::Dumper;
20	use Digest::MD5;	22	use Digest::MD5;
21	use Fcntl;	23	use Fcntl;
22	use IO::AIO 2.31 ();	24	use IO::AIO 2.32 ();
23	use YAML::Syck ();	25	use YAML::Syck ();
24	use Time::HiRes;	26	use Time::HiRes;
		27	use Compress::LZF;
		28
		29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
25		30
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
		32
		33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
27		34
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	36	$YAML::Syck::ImplicitUnicode = 1;
30		37
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		39
35	our %COMMAND = ();	40	our %COMMAND = ();
36	our %COMMAND_TIME = ();	41	our %COMMAND_TIME = ();
		42
		43	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	44	our %EXTCMD = ();
		45	our %EXT_CORO = (); # coroutines bound to extensions
		46	our %EXT_MAP = (); # pluggable maps
38		47
39	our @EVENT;	48	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	49	our $LIBDIR = datadir . "/ext";
41		50
42	our $TICK = MAX_TIME * 1e-6;	51	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	52	our $TICK_WATCHER;
		53	our $AIO_POLL_WATCHER;
		54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	55	our $NEXT_TICK;
45	our $NOW;	56	our $NOW;
		57	our $USE_FSYNC = 1; # use fsync to write maps - default off
		58
		59	our $BDB_POLL_WATCHER;
		60	our $DB_ENV;
46		61
47	our %CFG;	62	our %CFG;
48		63
49	our $UPTIME; $UPTIME ||= time;	64	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	65	our $RUNTIME;
51		66
		67	our %PLAYER; # all users
52	our %MAP; # all maps	68	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	69	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	70	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	71	our $BDB_ENV_DIR = cf::localdir . "/db";
		72
		73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		75
		76	# used to convert map paths into valid unix filenames by replacing / by ∕
		77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		78
58	binmode STDOUT;	79	binmode STDOUT;
59	binmode STDERR;	80	binmode STDERR;
60		81
61	# read virtual server time, if available	82	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	89	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	90	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	91	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	92	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	93	mkdir $RANDOM_MAPS;
		94	mkdir $BDB_ENV_DIR;
73		95
74	# a special map that is always available	96	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		97
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	98	sub cf::map::normalise;
78		99
79	#############################################################################	100	#############################################################################
80		101
81	=head2 GLOBAL VARIABLES	102	=head2 GLOBAL VARIABLES
82		103
…		…
106		127
107	=item %cf::CFG	128	=item %cf::CFG
108		129
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	130	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	131	from wherever your confdir points to.
		132
		133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		134
		135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		137	processing has been done. Call C<< ->wait >> on them to maximise the
		138	window of cpu time available, or simply to synchronise to the server tick.
111		139
112	=back	140	=back
113		141
114	=cut	142	=cut
115		143
…		…
119	utf8::encode $msg;	147	utf8::encode $msg;
120		148
121	$msg .= "\n"	149	$msg .= "\n"
122	unless $msg =~ /\n$/;	150	unless $msg =~ /\n$/;
123		151
124	LOG llevError, "cfperl: $msg";	152	LOG llevError, $msg;
125	};	153	};
126	}	154	}
127		155
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		175
148	$Event::DIED = sub {	176	$Event::DIED = sub {
149	warn "error in event callback: @_";	177	warn "error in event callback: @_";
150	};	178	};
151		179
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	180	=head2 UTILITY FUNCTIONS
157		181
158	=over 4	182	=over 4
159		183
		184	=item dumpval $ref
		185
160	=cut	186	=cut
		187
		188	sub dumpval {
		189	eval {
		190	local $SIG{__DIE__};
		191	my $d;
		192	if (1) {
		193	$d = new Data::Dumper([$_[0]], ["*var"]);
		194	$d->Terse(1);
		195	$d->Indent(2);
		196	$d->Quotekeys(0);
		197	$d->Useqq(1);
		198	#$d->Bless(...);
		199	$d->Seen($_[1]) if @_ > 1;
		200	$d = $d->Dump();
		201	}
		202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		203	$d
		204	} || "[unable to dump $_[0]: '$@']";
		205	}
161		206
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	207	use JSON::Syck (); # TODO# replace by JSON::PC once working
163		208
164	=item $ref = cf::from_json $json	209	=item $ref = cf::from_json $json
165		210
…		…
181	sub to_json($) {	226	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	228	JSON::Syck::Dump $_[0]
184	}	229	}
185		230
186	=item my $guard = cf::guard { BLOCK }
187
188	Run the given callback when the guard object gets destroyed (useful for
189	coroutine cancellations).
190
191	You can call C<< ->cancel >> on the guard object to stop the block from
192	being executed.
193
194	=cut
195
196	sub guard(&) {
197	bless \(my $cb = $_[0]), cf::guard::;
198	}
199
200	sub cf::guard::cancel {
201	${$_[0]} = sub { };
202	}
203
204	sub cf::guard::DESTROY {
205	${$_[0]}->();
206	}
207
208	=item cf::lock_wait $string	231	=item cf::lock_wait $string
209		232
210	Wait until the given lock is available. See cf::lock_acquire.	233	Wait until the given lock is available. See cf::lock_acquire.
211		234
212	=item my $lock = cf::lock_acquire $string	235	=item my $lock = cf::lock_acquire $string
213		236
214	Wait until the given lock is available and then acquires it and returns	237	Wait until the given lock is available and then acquires it and returns
215	a guard object. If the guard object gets destroyed (goes out of scope,	238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
216	for example when the coroutine gets canceled), the lock is automatically	239	for example when the coroutine gets canceled), the lock is automatically
217	returned.	240	returned.
218		241
219	Lock names should begin with a unique identifier (for example, find_map	242	Lock names should begin with a unique identifier (for example, cf::map::find
220	uses map_find and load_map uses map_load).	243	uses map_find and cf::map::load uses map_load).
221		244
222	=cut	245	=cut
223		246
224	our %LOCK;	247	our %LOCK;
225		248
…		…
239	# wait, to be sure we are not locked	262	# wait, to be sure we are not locked
240	lock_wait $key;	263	lock_wait $key;
241		264
242	$LOCK{$key} = [];	265	$LOCK{$key} = [];
243		266
244	cf::guard {	267	Coro::guard {
245	# wake up all waiters, to be on the safe side	268	# wake up all waiters, to be on the safe side
246	$_->ready for @{ delete $LOCK{$key} };	269	$_->ready for @{ delete $LOCK{$key} };
247	}	270	}
248	}	271	}
249		272
		273	sub freeze_mainloop {
		274	return unless $TICK_WATCHER->is_active;
		275
		276	my $guard = Coro::guard {
		277	$TICK_WATCHER->start;
		278	};
		279	$TICK_WATCHER->stop;
		280	$guard
		281	}
		282
250	=item cf::async { BLOCK }	283	=item cf::async { BLOCK }
251		284
252	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	285	Currently the same as Coro::async_pool, meaning you cannot use
253	error instead of exiting the server in case of a problem.	286	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		287	thing you are allowed to do is call C<prio> on it.
254		288
255	=cut	289	=cut
256		290
257	sub async(&) {	291	BEGIN { *async = \&Coro::async_pool }
258	my ($cb) = @_;
259
260	Coro::async {
261	eval { $cb->() };
262	warn $@ if $@;
263	}
264	}
265		292
266	=item cf::sync_job { BLOCK }	293	=item cf::sync_job { BLOCK }
267		294
268	The design of crossfire+ requires that the main coro ($Coro::main) is	295	The design of crossfire+ requires that the main coro ($Coro::main) is
269	always able to handle events or runnable, as crossfire+ is only partly	296	always able to handle events or runnable, as crossfire+ is only partly
…		…
283	# this is the main coro, too bad, we have to block	310	# this is the main coro, too bad, we have to block
284	# till the operation succeeds, freezing the server :/	311	# till the operation succeeds, freezing the server :/
285		312
286	# TODO: use suspend/resume instead	313	# TODO: use suspend/resume instead
287	# (but this is cancel-safe)	314	# (but this is cancel-safe)
288	local $FREEZE = 1;	315	my $freeze_guard = freeze_mainloop;
289		316
290	my $busy = 1;	317	my $busy = 1;
291	my @res;	318	my @res;
292		319
293	(Coro::async {	320	(async {
294	@res = eval { $job->() };	321	@res = eval { $job->() };
295	warn $@ if $@;	322	warn $@ if $@;
296	undef $busy;	323	undef $busy;
297	})->prio (Coro::PRIO_MAX);	324	})->prio (Coro::PRIO_MAX);
298		325
299	while ($busy) {	326	while ($busy) {
300	Coro::cede_notself;	327	Coro::cede or Event::one_event;
301	Event::one_event unless Coro::nready;
302	}	328	}
303		329
304	wantarray ? @res : $res[0]	330	wantarray ? @res : $res[0]
305	} else {	331	} else {
306	# we are in another coroutine, how wonderful, everything just works	332	# we are in another coroutine, how wonderful, everything just works
307		333
308	$job->()	334	$job->()
309	}	335	}
310	}	336	}
311		337
312	=item $coro = cf::coro { BLOCK }	338	=item $coro = cf::async_ext { BLOCK }
313		339
314	Creates and returns a new coro. This coro is automcatially being canceled	340	Like async, but this coro is automatically being canceled when the
315	when the extension calling this is being unloaded.	341	extension calling this is being unloaded.
316		342
317	=cut	343	=cut
318		344
319	sub coro(&) {	345	sub async_ext(&) {
320	my $cb = shift;	346	my $cb = shift;
321		347
322	my $coro = &cf::async ($cb);	348	my $coro = &Coro::async ($cb);
323		349
324	$coro->on_destroy (sub {	350	$coro->on_destroy (sub {
325	delete $EXT_CORO{$coro+0};	351	delete $EXT_CORO{$coro+0};
326	});	352	});
327	$EXT_CORO{$coro+0} = $coro;	353	$EXT_CORO{$coro+0} = $coro;
…		…
333	my $runtime = cf::localdir . "/runtime";	359	my $runtime = cf::localdir . "/runtime";
334		360
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
336	or return;	362	or return;
337		363
		364	my $value = $cf::RUNTIME + 90 + 10;
338	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	365	# 10 is the runtime save interval, for a monotonic clock
		366	# 60 allows for the watchdog to kill the server.
		367
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0	368	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;	369	and return;
341		370
		371	# always fsync - this file is important
342	aio_fsync $fh	372	aio_fsync $fh
343	and return;	373	and return;
344		374
345	close $fh	375	close $fh
346	or return;	376	or return;
…		…
352	}	382	}
353		383
354	=back	384	=back
355		385
356	=cut	386	=cut
357
358	#############################################################################
359
360	package cf::path;
361
362	sub new {
363	my ($class, $path, $base) = @_;
364
365	$path = $path->as_string if ref $path;
366
367	my $self = bless { }, $class;
368
369	# {... are special paths that are not touched
370	# ?xxx/... are special absolute paths
371	# ?random/... random maps
372	# /! non-realised random map exit
373	# /... normal maps
374	# ~/... per-player maps without a specific player (DO NOT USE)
375	# ~user/... per-player map of a specific user
376
377	if ($path =~ /^{/) {
378	# fine as it is
379	} elsif ($path =~ s{^\?random/}{}) {
380	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
381	$self->{random} = cf::from_json $data;
382	} else {
383	if ($path =~ s{^~([^/]+)?}{}) {
384	$self->{user_rel} = 1;
385
386	if (defined $1) {
387	$self->{user} = $1;
388	} elsif ($base =~ m{^~([^/]+)/}) {
389	$self->{user} = $1;
390	} else {
391	warn "cannot resolve user-relative path without user <$path,$base>\n";
392	}
393	} elsif ($path =~ /^\//) {
394	# already absolute
395	} else {
396	$base =~ s{[^/]+/?$}{};
397	return $class->new ("$base/$path");
398	}
399
400	for ($path) {
401	redo if s{/\.?/}{/};
402	redo if s{/[^/]+/\.\./}{/};
403	}
404	}
405
406	$self->{path} = $path;
407
408	$self
409	}
410
411	# the name / primary key / in-game path
412	sub as_string {
413	my ($self) = @_;
414
415	$self->{user_rel} ? "~$self->{user}$self->{path}"
416	: $self->{random} ? "?random/$self->{path}"
417	: $self->{path}
418	}
419
420	# the displayed name, this is a one way mapping
421	sub visible_name {
422	my ($self) = @_;
423
424	# if (my $rmp = $self->{random}) {
425	# # todo: be more intelligent about this
426	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
427	# } else {
428	$self->as_string
429	# }
430	}
431
432	# escape the /'s in the path
433	sub _escaped_path {
434	# ∕ is U+2215
435	(my $path = $_[0]{path}) =~ s/\//∕/g;
436	$path
437	}
438
439	# the original (read-only) location
440	sub load_path {
441	my ($self) = @_;
442
443	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
444	}
445
446	# the temporary/swap location
447	sub save_path {
448	my ($self) = @_;
449
450	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
451	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
452	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
453	}
454
455	# the unique path, might be eq to save_path
456	sub uniq_path {
457	my ($self) = @_;
458
459	$self->{user_rel} || $self->{random}
460	? undef
461	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
462	}
463
464	# return random map parameters, or undef
465	sub random_map_params {
466	my ($self) = @_;
467
468	$self->{random}
469	}
470
471	# this is somewhat ugly, but style maps do need special treatment
472	sub is_style_map {
473	$_[0]{path} =~ m{^/styles/}
474	}
475
476	package cf;
477		387
478	#############################################################################	388	#############################################################################
479		389
480	=head2 ATTACHABLE OBJECTS	390	=head2 ATTACHABLE OBJECTS
481		391
…		…
607	our @CB_TYPE = (); # registry for type (cf-object class) based events	517	our @CB_TYPE = (); # registry for type (cf-object class) based events
608	our @CB_MAP = ();	518	our @CB_MAP = ();
609		519
610	my %attachment;	520	my %attachment;
611		521
		522	sub cf::attachable::thawer_merge {
		523	# simply override everything except _meta
		524	local $_[0]{_meta};
		525	%{$_[0]} = %{$_[1]};
		526	}
		527
612	sub _attach_cb($$$$) {	528	sub _attach_cb($$$$) {
613	my ($registry, $event, $prio, $cb) = @_;	529	my ($registry, $event, $prio, $cb) = @_;
614		530
615	use sort 'stable';	531	use sort 'stable';
616		532
…		…
787	# object support	703	# object support
788		704
789	sub reattach {	705	sub reattach {
790	# basically do the same as instantiate, without calling instantiate	706	# basically do the same as instantiate, without calling instantiate
791	my ($obj) = @_;	707	my ($obj) = @_;
		708
		709	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
792		710
793	my $registry = $obj->registry;	711	my $registry = $obj->registry;
794		712
795	@$registry = ();	713	@$registry = ();
796		714
…		…
843	$filename, length $$rdata, scalar @$objs;	761	$filename, length $$rdata, scalar @$objs;
844		762
845	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
846	chmod SAVE_MODE, $fh;	764	chmod SAVE_MODE, $fh;
847	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
848	aio_fsync $fh;	766	aio_fsync $fh if $cf::USE_FSYNC;
849	close $fh;	767	close $fh;
850		768
851	if (@$objs) {	769	if (@$objs) {
852	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
853	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
854	my $data = Storable::nfreeze { version => 1, objs => $objs };	772	my $data = Storable::nfreeze { version => 1, objs => $objs };
855	aio_write $fh, 0, (length $data), $data, 0;	773	aio_write $fh, 0, (length $data), $data, 0;
856	aio_fsync $fh;	774	aio_fsync $fh if $cf::USE_FSYNC;
857	close $fh;	775	close $fh;
858	aio_rename "$filename.pst~", "$filename.pst";	776	aio_rename "$filename.pst~", "$filename.pst";
859	}	777	}
860	} else {	778	} else {
861	aio_unlink "$filename.pst";	779	aio_unlink "$filename.pst";
…		…
867	}	785	}
868	} else {	786	} else {
869	aio_unlink $filename;	787	aio_unlink $filename;
870	aio_unlink "$filename.pst";	788	aio_unlink "$filename.pst";
871	}	789	}
		790
		791	#d##TODO# nuke non .map-files if exist
		792	if ($filename =~ s/\.map$//) {
		793	aio_unlink $filename;
		794	aio_unlink "$filename.pst";
		795	}
872	}	796	}
873	}	797	}
874		798
875	sub object_freezer_as_string {	799	sub object_freezer_as_string {
876	my ($rdata, $objs) = @_;	800	my ($rdata, $objs) = @_;
…		…
882		806
883	sub object_thawer_load {	807	sub object_thawer_load {
884	my ($filename) = @_;	808	my ($filename) = @_;
885		809
886	my ($data, $av);	810	my ($data, $av);
		811
		812	#d#TODO remove .map if file does not exist
		813	aio_stat $filename and $filename =~ s/\.map$//;
887		814
888	(aio_load $filename, $data) >= 0	815	(aio_load $filename, $data) >= 0
889	or return;	816	or return;
890		817
891	unless (aio_stat "$filename.pst") {	818	unless (aio_stat "$filename.pst") {
…		…
928	=cut	855	=cut
929		856
930	sub register_extcmd {	857	sub register_extcmd {
931	my ($name, $cb) = @_;	858	my ($name, $cb) = @_;
932		859
933	my $caller = caller;
934	#warn "registering extcmd '$name' to '$caller'";
935
936	$EXTCMD{$name} = [$cb, $caller];	860	$EXTCMD{$name} = $cb;
937	}	861	}
938		862
939	cf::player->attach (	863	cf::player->attach (
940	on_command => sub {	864	on_command => sub {
941	my ($pl, $name, $params) = @_;	865	my ($pl, $name, $params) = @_;
…		…
954		878
955	my $msg = eval { from_json $buf };	879	my $msg = eval { from_json $buf };
956		880
957	if (ref $msg) {	881	if (ref $msg) {
958	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	882	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
959	if (my %reply = $cb->[0]->($pl, $msg)) {	883	if (my %reply = $cb->($pl, $msg)) {
960	$pl->ext_reply ($msg->{msgid}, %reply);	884	$pl->ext_reply ($msg->{msgid}, %reply);
961	}	885	}
962	}	886	}
963	} else {	887	} else {
964	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	888	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
966		890
967	cf::override;	891	cf::override;
968	},	892	},
969	);	893	);
970		894
971	sub register {
972	my ($base, $pkg) = @_;
973
974	#TODO
975	}
976
977	sub load_extension {	895	sub load_extension {
978	my ($path) = @_;	896	my ($path) = @_;
979		897
980	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	898	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
981	my $base = $1;	899	my $base = $1;
982	my $pkg = $1;	900	my $pkg = $1;
983	$pkg =~ s/[^[:word:]]/_/g;	901	$pkg =~ s/[^[:word:]]/_/g;
984	$pkg = "ext::$pkg";	902	$pkg = "ext::$pkg";
985		903
986	warn "loading '$path' into '$pkg'\n";	904	warn "... loading '$path' into '$pkg'\n";
987		905
988	open my $fh, "<:utf8", $path	906	open my $fh, "<:utf8", $path
989	or die "$path: $!";	907	or die "$path: $!";
990		908
991	my $source =	909	my $source =
992	"package $pkg; use strict; use utf8;\n"	910	"package $pkg; use strict; use utf8;\n"
993	. "#line 1 \"$path\"\n{\n"	911	. "#line 1 \"$path\"\n{\n"
994	. (do { local $/; <$fh> })	912	. (do { local $/; <$fh> })
995	. "\n};\n1";	913	. "\n};\n1";
996		914
997	eval $source	915	unless (eval $source) {
998	or die $@ ? "$path: $@\n"	916	my $msg = $@ ? "$path: $@\n"
999	: "extension disabled.\n";	917	: "extension disabled.\n";
1000		918	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1001	push @exts, $pkg;	919	warn $@;
1002	$ext_pkg{$base} = $pkg;	920	warn "mandatory extension failed to load, exiting.\n";
1003		921	exit 1;
1004	# no strict 'refs';	922	}
1005	# @{"$pkg\::ISA"} = ext::;	923	die $@;
1006
1007	register $base, $pkg;
1008	}
1009
1010	sub unload_extension {
1011	my ($pkg) = @_;
1012
1013	warn "removing extension $pkg\n";
1014
1015	# remove hooks
1016	#TODO
1017	# for my $idx (0 .. $#PLUGIN_EVENT) {
1018	# delete $hook[$idx]{$pkg};
1019	# }	924	}
1020		925
1021	# remove commands	926	push @EXTS, $pkg;
1022	for my $name (keys %COMMAND) {
1023	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1024
1025	if (@cb) {
1026	$COMMAND{$name} = \@cb;
1027	} else {
1028	delete $COMMAND{$name};
1029	}
1030	}
1031
1032	# remove extcmds
1033	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1034	delete $EXTCMD{$name};
1035	}
1036
1037	if (my $cb = $pkg->can ("unload")) {
1038	eval {
1039	$cb->($pkg);
1040	1
1041	} or warn "$pkg unloaded, but with errors: $@";
1042	}
1043
1044	Symbol::delete_package $pkg;
1045	}	927	}
1046		928
1047	sub load_extensions {	929	sub load_extensions {
1048	for my $ext (<$LIBDIR/*.ext>) {	930	for my $ext (<$LIBDIR/*.ext>) {
1049	next unless -r $ext;	931	next unless -r $ext;
…		…
1053	} or warn "$ext not loaded: $@";	935	} or warn "$ext not loaded: $@";
1054	}	936	}
1055	}	937	}
1056		938
1057	#############################################################################	939	#############################################################################
1058	# load/save/clean perl data associated with a map
1059
1060	*cf::mapsupport::on_clean = sub {
1061	my ($map) = @_;
1062
1063	my $path = $map->tmpname;
1064	defined $path or return;
1065
1066	unlink "$path.pst";
1067	};
1068
1069	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1070
1071	#############################################################################
1072	# load/save perl data associated with player->ob objects
1073
1074	sub all_objects(@) {
1075	@_, map all_objects ($_->inv), @_
1076	}
1077
1078	# TODO: compatibility cruft, remove when no longer needed
1079	cf::player->attach (
1080	on_load => sub {
1081	my ($pl, $path) = @_;
1082
1083	for my $o (all_objects $pl->ob) {
1084	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1085	$o->set_ob_key_value ("_perl_data");
1086
1087	%$o = %{ Storable::thaw pack "H*", $value };
1088	}
1089	}
1090	},
1091	);
1092
1093	#############################################################################
1094		940
1095	=head2 CORE EXTENSIONS	941	=head2 CORE EXTENSIONS
1096		942
1097	Functions and methods that extend core crossfire objects.	943	Functions and methods that extend core crossfire objects.
1098		944
		945	=cut
		946
		947	package cf::player;
		948
		949	use Coro::AIO;
		950
1099	=head3 cf::player	951	=head3 cf::player
1100		952
1101	=over 4	953	=over 4
1102		954
1103	=item cf::player::exists $login	955	=item cf::player::find $login
1104		956
1105	Returns true when the given account exists.	957	Returns the given player object, loading it if necessary (might block).
1106		958
1107	=cut	959	=cut
1108		960
1109	sub cf::player::exists($) {	961	sub playerdir($) {
1110	cf::player::find $_[0]	962	cf::localdir
1111	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	963	. "/"
		964	. cf::playerdir
		965	. "/"
		966	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		967	}
		968
		969	sub path($) {
		970	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		971
		972	(playerdir $login) . "/$login.pl"
		973	}
		974
		975	sub find_active($) {
		976	$cf::PLAYER{$_[0]}
		977	and $cf::PLAYER{$_[0]}->active
		978	and $cf::PLAYER{$_[0]}
		979	}
		980
		981	sub exists($) {
		982	my ($login) = @_;
		983
		984	$cf::PLAYER{$login}
		985	or cf::sync_job { !aio_stat path $login }
		986	}
		987
		988	sub find($) {
		989	return $cf::PLAYER{$_[0]} || do {
		990	my $login = $_[0];
		991
		992	my $guard = cf::lock_acquire "user_find:$login";
		993
		994	$cf::PLAYER{$_[0]} || do {
		995	my $pl = load_pl path $login
		996	or return;
		997	$cf::PLAYER{$login} = $pl
		998	}
		999	}
		1000	}
		1001
		1002	sub save($) {
		1003	my ($pl) = @_;
		1004
		1005	return if $pl->{deny_save};
		1006
		1007	my $path = path $pl;
		1008	my $guard = cf::lock_acquire "user_save:$path";
		1009
		1010	return if $pl->{deny_save};
		1011
		1012	aio_mkdir playerdir $pl, 0770;
		1013	$pl->{last_save} = $cf::RUNTIME;
		1014
		1015	$pl->save_pl ($path);
		1016	Coro::cede;
		1017	}
		1018
		1019	sub new($) {
		1020	my ($login) = @_;
		1021
		1022	my $self = create;
		1023
		1024	$self->ob->name ($login);
		1025	$self->{deny_save} = 1;
		1026
		1027	$cf::PLAYER{$login} = $self;
		1028
		1029	$self
		1030	}
		1031
		1032	=item $pl->quit_character
		1033
		1034	Nukes the player without looking back. If logged in, the connection will
		1035	be destroyed. May block for a long time.
		1036
		1037	=cut
		1038
		1039	sub quit_character {
		1040	my ($pl) = @_;
		1041
		1042	$pl->{deny_save} = 1;
		1043	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1044
		1045	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1046	$pl->deactivate;
		1047	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1048	$pl->ns->destroy if $pl->ns;
		1049
		1050	my $path = playerdir $pl;
		1051	my $temp = "$path~$cf::RUNTIME~deleting~";
		1052	aio_rename $path, $temp;
		1053	delete $cf::PLAYER{$pl->ob->name};
		1054	$pl->destroy;
		1055	IO::AIO::aio_rmtree $temp;
		1056	}
		1057
		1058	=item cf::player::list_logins
		1059
		1060	Returns am arrayref of all valid playernames in the system, can take a
		1061	while and may block, so not sync_job-capable, ever.
		1062
		1063	=cut
		1064
		1065	sub list_logins {
		1066	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1067	or return [];
		1068
		1069	my @logins;
		1070
		1071	for my $login (@$dirs) {
		1072	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1073	aio_read $fh, 0, 512, my $buf, 0 or next;
		1074	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1075
		1076	utf8::decode $login;
		1077	push @logins, $login;
		1078	}
		1079
		1080	\@logins
		1081	}
		1082
		1083	=item $player->maps
		1084
		1085	Returns an arrayref of map paths that are private for this
		1086	player. May block.
		1087
		1088	=cut
		1089
		1090	sub maps($) {
		1091	my ($pl) = @_;
		1092
		1093	$pl = ref $pl ? $pl->ob->name : $pl;
		1094
		1095	my $files = aio_readdir playerdir $pl
		1096	or return;
		1097
		1098	my @paths;
		1099
		1100	for (@$files) {
		1101	utf8::decode $_;
		1102	next if /\.(?:pl|pst)$/;
		1103	next unless /^$PATH_SEP/o;
		1104
		1105	push @paths, cf::map::normalise "~$pl/$_";
		1106	}
		1107
		1108	\@paths
1112	}	1109	}
1113		1110
1114	=item $player->ext_reply ($msgid, $msgtype, %msg)	1111	=item $player->ext_reply ($msgid, $msgtype, %msg)
1115		1112
1116	Sends an ext reply to the player.	1113	Sends an ext reply to the player.
1117		1114
1118	=cut	1115	=cut
1119		1116
1120	sub cf::player::ext_reply($$$%) {	1117	sub ext_reply($$$%) {
1121	my ($self, $id, %msg) = @_;	1118	my ($self, $id, %msg) = @_;
1122		1119
1123	$msg{msgid} = $id;	1120	$msg{msgid} = $id;
1124		1121
1125	$self->send ("ext " . to_json \%msg);	1122	$self->send ("ext " . cf::to_json \%msg);
1126	}	1123	}
		1124
		1125	package cf;
1127		1126
1128	=back	1127	=back
1129		1128
1130		1129
1131	=head3 cf::map	1130	=head3 cf::map
…		…
1137	package cf::map;	1136	package cf::map;
1138		1137
1139	use Fcntl;	1138	use Fcntl;
1140	use Coro::AIO;	1139	use Coro::AIO;
1141		1140
		1141	use overload
		1142	'""' => \&as_string,
		1143	fallback => 1;
		1144
1142	our $MAX_RESET = 7200;	1145	our $MAX_RESET = 3600;
1143	our $DEFAULT_RESET = 3600;	1146	our $DEFAULT_RESET = 3000;
1144		1147
1145	sub generate_random_map {	1148	sub generate_random_map {
1146	my ($path, $rmp) = @_;	1149	my ($self, $rmp) = @_;
1147
1148	# mit "rum" bekleckern, nicht	1150	# mit "rum" bekleckern, nicht
1149	cf::map::_create_random_map	1151	$self->_create_random_map (
1150	$path,
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1152	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1153	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1154	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1154	$rmp->{exit_on_final_map},	1155	$rmp->{exit_on_final_map},
1155	$rmp->{xsize}, $rmp->{ysize},	1156	$rmp->{xsize}, $rmp->{ysize},
1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1157	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1158	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1159	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1159	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1160	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1161	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1161	(cf::region::find $rmp->{region})	1162	(cf::region::find $rmp->{region}), $rmp->{custom}
		1163	)
		1164	}
		1165
		1166	=item cf::map->register ($regex, $prio)
		1167
		1168	Register a handler for the map path matching the given regex at the
		1169	givne priority (higher is better, built-in handlers have priority 0, the
		1170	default).
		1171
		1172	=cut
		1173
		1174	sub register {
		1175	my (undef, $regex, $prio) = @_;
		1176	my $pkg = caller;
		1177
		1178	no strict;
		1179	push @{"$pkg\::ISA"}, __PACKAGE__;
		1180
		1181	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1182	}
		1183
		1184	# also paths starting with '/'
		1185	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1186
		1187	sub thawer_merge {
		1188	my ($self, $merge) = @_;
		1189
		1190	# we have to keep some variables in memory intact
		1191	local $self->{path};
		1192	local $self->{load_path};
		1193	local $self->{deny_save};
		1194	local $self->{deny_reset};
		1195
		1196	$self->SUPER::thawer_merge ($merge);
		1197	}
		1198
		1199	sub normalise {
		1200	my ($path, $base) = @_;
		1201
		1202	$path = "$path"; # make sure its a string
		1203
		1204	$path =~ s/\.map$//;
		1205
		1206	# map plan:
		1207	#
		1208	# /! non-realised random map exit (special hack!)
		1209	# {... are special paths that are not being touched
		1210	# ?xxx/... are special absolute paths
		1211	# ?random/... random maps
		1212	# /... normal maps
		1213	# ~user/... per-player map of a specific user
		1214
		1215	$path =~ s/$PATH_SEP/\//go;
		1216
		1217	# treat it as relative path if it starts with
		1218	# something that looks reasonable
		1219	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1220	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1221
		1222	$base =~ s{[^/]+/?$}{};
		1223	$path = "$base/$path";
		1224	}
		1225
		1226	for ($path) {
		1227	redo if s{//}{/};
		1228	redo if s{/\.?/}{/};
		1229	redo if s{/[^/]+/\.\./}{/};
		1230	}
		1231
		1232	$path
		1233	}
		1234
		1235	sub new_from_path {
		1236	my (undef, $path, $base) = @_;
		1237
		1238	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1239
		1240	$path = normalise $path, $base;
		1241
		1242	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1243	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1244	my $self = bless cf::map::new, $pkg;
		1245	$self->{path} = $path; $self->path ($path);
		1246	$self->init; # pass $1 etc.
		1247	return $self;
		1248	}
		1249	}
		1250
		1251	Carp::carp "unable to resolve path '$path' (base '$base').";
		1252	()
		1253	}
		1254
		1255	sub init {
		1256	my ($self) = @_;
		1257
		1258	$self
		1259	}
		1260
		1261	sub as_string {
		1262	my ($self) = @_;
		1263
		1264	"$self->{path}"
		1265	}
		1266
		1267	# the displayed name, this is a one way mapping
		1268	sub visible_name {
		1269	&as_string
		1270	}
		1271
		1272	# the original (read-only) location
		1273	sub load_path {
		1274	my ($self) = @_;
		1275
		1276	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1277	}
		1278
		1279	# the temporary/swap location
		1280	sub save_path {
		1281	my ($self) = @_;
		1282
		1283	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1284	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1285	}
		1286
		1287	# the unique path, undef == no special unique path
		1288	sub uniq_path {
		1289	my ($self) = @_;
		1290
		1291	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1292	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1162	}	1293	}
1163		1294
1164	# and all this just because we cannot iterate over	1295	# and all this just because we cannot iterate over
1165	# all maps in C++...	1296	# all maps in C++...
1166	sub change_all_map_light {	1297	sub change_all_map_light {
…		…
1168		1299
1169	$_->change_map_light ($change)	1300	$_->change_map_light ($change)
1170	for grep $_->outdoor, values %cf::MAP;	1301	for grep $_->outdoor, values %cf::MAP;
1171	}	1302	}
1172		1303
		1304	sub unlink_save {
		1305	my ($self) = @_;
		1306
		1307	utf8::encode (my $save = $self->save_path);
		1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1309	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1310
		1311	#d#TODO remove .map and also nuke
		1312	$save =~ s/\.map// or return;#d#
		1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1314	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1315	}
		1316
1173	sub try_load_header($) {	1317	sub load_header_from($) {
1174	my ($path) = @_;	1318	my ($self, $path) = @_;
1175		1319
1176	utf8::encode $path;	1320	utf8::encode $path;
1177	aio_open $path, O_RDONLY, 0	1321	#aio_open $path, O_RDONLY, 0
		1322	# or return;
		1323
		1324	$self->_load_header ($path)
1178	or return;	1325	or return;
1179		1326
1180	my $map = cf::map::new	1327	$self->{load_path} = $path;
		1328
		1329	1
		1330	}
		1331
		1332	sub load_header_orig {
		1333	my ($self) = @_;
		1334
		1335	$self->load_header_from ($self->load_path)
		1336	}
		1337
		1338	sub load_header_temp {
		1339	my ($self) = @_;
		1340
		1341	$self->load_header_from ($self->save_path)
		1342	}
		1343
		1344	sub prepare_temp {
		1345	my ($self) = @_;
		1346
		1347	$self->last_access ((delete $self->{last_access})
		1348	|| $cf::RUNTIME); #d#
		1349	# safety
		1350	$self->{instantiate_time} = $cf::RUNTIME
		1351	if $self->{instantiate_time} > $cf::RUNTIME;
		1352	}
		1353
		1354	sub prepare_orig {
		1355	my ($self) = @_;
		1356
		1357	$self->{load_original} = 1;
		1358	$self->{instantiate_time} = $cf::RUNTIME;
		1359	$self->last_access ($cf::RUNTIME);
		1360	$self->instantiate;
		1361	}
		1362
		1363	sub load_header {
		1364	my ($self) = @_;
		1365
		1366	if ($self->load_header_temp) {
		1367	$self->prepare_temp;
		1368	} else {
		1369	$self->load_header_orig
1181	or return;	1370	or return;
		1371	$self->prepare_orig;
		1372	}
1182		1373
1183	$map->load_header ($path)	1374	1
1184	or return;
1185
1186	$map->{load_path} = $path;
1187
1188	$map
1189	}	1375	}
1190		1376
1191	sub find_map;	1377	sub find;
1192	sub find_map {	1378	sub find {
1193	my ($path, $origin) = @_;	1379	my ($path, $origin) = @_;
1194		1380
1195	#warn "find_map<$path,$origin>\n";#d#
1196
1197	$path = new cf::path $path, $origin && $origin->path;	1381	$path = normalise $path, $origin && $origin->path;
1198	my $key = $path->as_string;
1199		1382
1200	cf::lock_wait "map_find:$key";	1383	cf::lock_wait "map_find:$path";
1201		1384
1202	$cf::MAP{$key} || do {	1385	$cf::MAP{$path} || do {
1203	my $guard = cf::lock_acquire "map_find:$key";	1386	my $guard = cf::lock_acquire "map_find:$path";
1204		1387	my $map = new_from_path cf::map $path
1205	# do it the slow way
1206	my $map = try_load_header $path->save_path;
1207
1208	if ($map) {
1209	# safety
1210	$map->{instantiate_time} = $cf::RUNTIME
1211	if $map->{instantiate_time} > $cf::RUNTIME;
1212	} else {
1213	if (my $rmp = $path->random_map_params) {
1214	$map = generate_random_map $key, $rmp;
1215	} else {
1216	$map = try_load_header $path->load_path;
1217	}
1218
1219	$map or return;	1388	or return;
1220		1389
1221	$map->{load_original} = 1;
1222	$map->{instantiate_time} = $cf::RUNTIME;
1223	$map->instantiate;
1224
1225	# per-player maps become, after loading, normal maps
1226	$map->per_player (0) if $path->{user_rel};
1227	}
1228
1229	$map->path ($key);
1230	$map->{path} = $path;
1231	$map->{last_save} = $cf::RUNTIME;	1390	$map->{last_save} = $cf::RUNTIME;
1232	$map->last_access ($cf::RUNTIME);
1233		1391
1234	if ($map->should_reset) {	1392	$map->load_header
		1393	or return;
		1394
		1395	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1396	# doing this can freeze the server in a sync job, obviously
		1397	#$cf::WAIT_FOR_TICK->wait;
1235	$map->reset;	1398	$map->reset;
1236	undef $guard;	1399	undef $guard;
1237	$map = find_map $path	1400	return find $path;
1238	or return;
1239	}	1401	}
1240		1402
1241	$cf::MAP{$key} = $map	1403	$cf::MAP{$path} = $map
1242	}	1404	}
1243	}	1405	}
		1406
		1407	sub pre_load { }
		1408	sub post_load { }
1244		1409
1245	sub load {	1410	sub load {
1246	my ($self) = @_;	1411	my ($self) = @_;
1247		1412
		1413	local $self->{deny_reset} = 1; # loading can take a long time
		1414
1248	my $path = $self->{path};	1415	my $path = $self->{path};
1249	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1416	my $guard = cf::lock_acquire "map_load:$path";
1250		1417
1251	return if $self->in_memory != cf::MAP_SWAPPED;	1418	return if $self->in_memory != cf::MAP_SWAPPED;
1252		1419
1253	$self->in_memory (cf::MAP_LOADING);	1420	$self->in_memory (cf::MAP_LOADING);
1254		1421
1255	$self->alloc;	1422	$self->alloc;
		1423
		1424	$self->pre_load;
		1425
1256	$self->load_objects ($self->{load_path}, 1)	1426	$self->_load_objects ($self->{load_path}, 1)
1257	or return;	1427	or return;
1258		1428
1259	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1429	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1260	if delete $self->{load_original};	1430	if delete $self->{load_original};
1261		1431
1262	if (my $uniq = $path->uniq_path) {	1432	if (my $uniq = $self->uniq_path) {
1263	utf8::encode $uniq;	1433	utf8::encode $uniq;
1264	if (aio_open $uniq, O_RDONLY, 0) {	1434	if (aio_open $uniq, O_RDONLY, 0) {
1265	$self->clear_unique_items;	1435	$self->clear_unique_items;
1266	$self->load_objects ($uniq, 0);	1436	$self->_load_objects ($uniq, 0);
1267	}	1437	}
1268	}	1438	}
		1439
		1440	Coro::cede;
1269		1441
1270	# now do the right thing for maps	1442	# now do the right thing for maps
1271	$self->link_multipart_objects;	1443	$self->link_multipart_objects;
1272		1444
1273	if ($self->{path}->is_style_map) {	1445	unless ($self->{deny_activate}) {
1274	$self->{deny_save} = 1;	1446	$self->decay_objects;
1275	$self->{deny_reset} = 1;
1276	} else {
1277	$self->fix_auto_apply;	1447	$self->fix_auto_apply;
1278	$self->decay_objects;
1279	$self->update_buttons;	1448	$self->update_buttons;
		1449	Coro::cede;
1280	$self->set_darkness_map;	1450	$self->set_darkness_map;
1281	$self->difficulty ($self->estimate_difficulty)	1451	$self->difficulty ($self->estimate_difficulty)
1282	unless $self->difficulty;	1452	unless $self->difficulty;
		1453	Coro::cede;
1283	$self->activate;	1454	$self->activate;
1284	}	1455	}
1285		1456
		1457	$self->post_load;
		1458
1286	$self->in_memory (cf::MAP_IN_MEMORY);	1459	$self->in_memory (cf::MAP_IN_MEMORY);
1287	}	1460	}
1288		1461
1289	sub load_map_sync {	1462	sub customise_for {
		1463	my ($self, $ob) = @_;
		1464
		1465	return find "~" . $ob->name . "/" . $self->{path}
		1466	if $self->per_player;
		1467
		1468	$self
		1469	}
		1470
		1471	# find and load all maps in the 3x3 area around a map
		1472	sub load_diag {
		1473	my ($map) = @_;
		1474
		1475	my @diag; # diagonal neighbours
		1476
		1477	for (0 .. 3) {
		1478	my $neigh = $map->tile_path ($_)
		1479	or next;
		1480	$neigh = find $neigh, $map
		1481	or next;
		1482	$neigh->load;
		1483
		1484	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1485	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1486	}
		1487
		1488	for (@diag) {
		1489	my $neigh = find @$_
		1490	or next;
		1491	$neigh->load;
		1492	}
		1493	}
		1494
		1495	sub find_sync {
1290	my ($path, $origin) = @_;	1496	my ($path, $origin) = @_;
1291		1497
1292	#warn "load_map_sync<$path, $origin>\n";#d#	1498	cf::sync_job { find $path, $origin }
		1499	}
1293		1500
1294	cf::sync_job {	1501	sub do_load_sync {
1295	my $map = cf::map::find_map $path, $origin	1502	my ($map) = @_;
1296	or return;	1503
		1504	cf::sync_job { $map->load };
		1505	}
		1506
		1507	our %MAP_PREFETCH;
		1508	our $MAP_PREFETCHER = undef;
		1509
		1510	sub find_async {
		1511	my ($path, $origin) = @_;
		1512
		1513	$path = normalise $path, $origin && $origin->{path};
		1514
		1515	if (my $map = $cf::MAP{$path}) {
		1516	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1517	}
		1518
		1519	undef $MAP_PREFETCH{$path};
		1520	$MAP_PREFETCHER ||= cf::async {
		1521	while (%MAP_PREFETCH) {
		1522	for my $path (keys %MAP_PREFETCH) {
		1523	my $map = find $path
		1524	or next;
1297	$map->load;	1525	$map->load;
1298	$map	1526
		1527	delete $MAP_PREFETCH{$path};
		1528	}
		1529	}
		1530	undef $MAP_PREFETCHER;
1299	}	1531	};
		1532	$MAP_PREFETCHER->prio (6);
		1533
		1534	()
1300	}	1535	}
1301		1536
1302	sub save {	1537	sub save {
1303	my ($self) = @_;	1538	my ($self) = @_;
1304		1539
		1540	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1541
1305	$self->{last_save} = $cf::RUNTIME;	1542	$self->{last_save} = $cf::RUNTIME;
1306		1543
1307	return unless $self->dirty;	1544	return unless $self->dirty;
1308		1545
1309	my $save = $self->{path}->save_path; utf8::encode $save;	1546	my $save = $self->save_path; utf8::encode $save;
1310	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1547	my $uniq = $self->uniq_path; utf8::encode $uniq;
1311		1548
1312	$self->{load_path} = $save;	1549	$self->{load_path} = $save;
1313		1550
1314	return if $self->{deny_save};	1551	return if $self->{deny_save};
1315		1552
		1553	local $self->{last_access} = $self->last_access;#d#
		1554
		1555	cf::async {
		1556	$_->contr->save for $self->players;
		1557	};
		1558
1316	if ($uniq) {	1559	if ($uniq) {
1317	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1560	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318	$self->save_objects ($uniq, cf::IO_UNIQUES);	1561	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1319	} else {	1562	} else {
1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1563	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1321	}	1564	}
1322	}	1565	}
1323		1566
1324	sub swap_out {	1567	sub swap_out {
1325	my ($self) = @_;	1568	my ($self) = @_;
1326		1569
1327	# save first because save cedes	1570	# save first because save cedes
1328	$self->save;	1571	$self->save;
		1572
		1573	my $lock = cf::lock_acquire "map_data:" . $self->path;
1329		1574
1330	return if $self->players;	1575	return if $self->players;
1331	return if $self->in_memory != cf::MAP_IN_MEMORY;	1576	return if $self->in_memory != cf::MAP_IN_MEMORY;
1332	return if $self->{deny_save};	1577	return if $self->{deny_save};
1333		1578
…		…
1337		1582
1338	sub reset_at {	1583	sub reset_at {
1339	my ($self) = @_;	1584	my ($self) = @_;
1340		1585
1341	# TODO: safety, remove and allow resettable per-player maps	1586	# TODO: safety, remove and allow resettable per-player maps
1342	return 1e99 if $self->{path}{user_rel};	1587	return 1e99 if $self->isa ("ext::map_per_player");#d#
1343	return 1e99 if $self->{deny_reset};	1588	return 1e99 if $self->{deny_reset};
1344		1589
1345	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1590	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1346	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1591	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1347		1592
…		…
1352	my ($self) = @_;	1597	my ($self) = @_;
1353		1598
1354	$self->reset_at <= $cf::RUNTIME	1599	$self->reset_at <= $cf::RUNTIME
1355	}	1600	}
1356		1601
1357	sub unlink_save {
1358	my ($self) = @_;
1359
1360	utf8::encode (my $save = $self->{path}->save_path);
1361	aioreq_pri 3; IO::AIO::aio_unlink $save;
1362	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1363	}
1364
1365	sub rename {
1366	my ($self, $new_path) = @_;
1367
1368	$self->unlink_save;
1369
1370	delete $cf::MAP{$self->path};
1371	$self->{path} = new cf::path $new_path;
1372	$self->path ($self->{path}->as_string);
1373	$cf::MAP{$self->path} = $self;
1374
1375	$self->save;
1376	}
1377
1378	sub reset {	1602	sub reset {
1379	my ($self) = @_;	1603	my ($self) = @_;
1380		1604
		1605	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1606
1381	return if $self->players;	1607	return if $self->players;
1382	return if $self->{path}{user_rel};#d#	1608	return if $self->isa ("ext::map_per_player");#d#
1383		1609
1384	warn "resetting map ", $self->path;#d#	1610	warn "resetting map ", $self->path;#d#
1385		1611
		1612	$self->in_memory (cf::MAP_SWAPPED);
		1613
		1614	# need to save uniques path
		1615	unless ($self->{deny_save}) {
		1616	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1617
		1618	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1619	if $uniq;
		1620	}
		1621
1386	delete $cf::MAP{$self->path};	1622	delete $cf::MAP{$self->path};
		1623
		1624	$self->clear;
1387		1625
1388	$_->clear_links_to ($self) for values %cf::MAP;	1626	$_->clear_links_to ($self) for values %cf::MAP;
1389		1627
1390	$self->unlink_save;	1628	$self->unlink_save;
1391	$self->destroy;	1629	$self->destroy;
…		…
1394	my $nuke_counter = "aaaa";	1632	my $nuke_counter = "aaaa";
1395		1633
1396	sub nuke {	1634	sub nuke {
1397	my ($self) = @_;	1635	my ($self) = @_;
1398		1636
		1637	delete $cf::MAP{$self->path};
		1638
		1639	$self->unlink_save;
		1640
		1641	bless $self, "cf::map";
		1642	delete $self->{deny_reset};
1399	$self->{deny_save} = 1;	1643	$self->{deny_save} = 1;
1400	$self->reset_timeout (1);	1644	$self->reset_timeout (1);
1401	$self->rename ("{nuke}/" . ($nuke_counter++));	1645	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1646
		1647	$cf::MAP{$self->path} = $self;
		1648
1402	$self->reset; # polite request, might not happen	1649	$self->reset; # polite request, might not happen
1403	}	1650	}
1404		1651
1405	sub customise_for {	1652	=item cf::map::unique_maps
1406	my ($map, $ob) = @_;
1407		1653
1408	if ($map->per_player) {	1654	Returns an arrayref of paths of all shared maps that have
1409	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1655	instantiated unique items. May block.
1410	}
1411		1656
1412	$map	1657	=cut
1413	}
1414		1658
1415	sub emergency_save {	1659	sub unique_maps() {
1416	local $cf::FREEZE = 1;	1660	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1661	or return;
1417		1662
1418	warn "enter emergency map save\n";	1663	my @paths;
1419		1664
1420	cf::sync_job {	1665	for (@$files) {
1421	warn "begin emergency map save\n";	1666	utf8::decode $_;
1422	$_->save for values %cf::MAP;	1667	next if /\.pst$/;
		1668	next unless /^$PATH_SEP/o;
		1669
		1670	push @paths, cf::map::normalise $_;
1423	};	1671	}
1424		1672
1425	warn "end emergency map save\n";	1673	\@paths
1426	}	1674	}
1427		1675
1428	package cf;	1676	package cf;
1429		1677
1430	=back	1678	=back
1431		1679
		1680	=head3 cf::object
		1681
		1682	=cut
		1683
		1684	package cf::object;
		1685
		1686	=over 4
		1687
		1688	=item $ob->inv_recursive
		1689
		1690	Returns the inventory of the object _and_ their inventories, recursively.
		1691
		1692	=cut
		1693
		1694	sub inv_recursive_;
		1695	sub inv_recursive_ {
		1696	map { $_, inv_recursive_ $_->inv } @_
		1697	}
		1698
		1699	sub inv_recursive {
		1700	inv_recursive_ inv $_[0]
		1701	}
		1702
		1703	package cf;
		1704
		1705	=back
1432		1706
1433	=head3 cf::object::player	1707	=head3 cf::object::player
1434		1708
1435	=over 4	1709	=over 4
1436		1710
…		…
1476		1750
1477	=item $player_object->enter_link	1751	=item $player_object->enter_link
1478		1752
1479	Freezes the player and moves him/her to a special map (C<{link}>).	1753	Freezes the player and moves him/her to a special map (C<{link}>).
1480		1754
1481	The player should be reaosnably safe there for short amounts of time. You	1755	The player should be reasonably safe there for short amounts of time. You
1482	I<MUST> call C<leave_link> as soon as possible, though.	1756	I<MUST> call C<leave_link> as soon as possible, though.
1483		1757
		1758	Will never block.
		1759
1484	=item $player_object->leave_link ($map, $x, $y)	1760	=item $player_object->leave_link ($map, $x, $y)
1485		1761
1486	Moves the player out of the specila link map onto the given map. If the	1762	Moves the player out of the special C<{link}> map onto the specified
1487	map is not valid (or omitted), the player will be moved back to the	1763	map. If the map is not valid (or omitted), the player will be moved back
1488	location he/she was before the call to C<enter_link>, or, if that fails,	1764	to the location he/she was before the call to C<enter_link>, or, if that
1489	to the emergency map position.	1765	fails, to the emergency map position.
1490		1766
1491	Might block.	1767	Might block.
1492		1768
1493	=cut	1769	=cut
		1770
		1771	sub link_map {
		1772	unless ($LINK_MAP) {
		1773	$LINK_MAP = cf::map::find "{link}"
		1774	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1775	$LINK_MAP->load;
		1776	}
		1777
		1778	$LINK_MAP
		1779	}
1494		1780
1495	sub cf::object::player::enter_link {	1781	sub cf::object::player::enter_link {
1496	my ($self) = @_;	1782	my ($self) = @_;
1497		1783
1498	$self->deactivate_recursive;	1784	$self->deactivate_recursive;
1499		1785
1500	return if $self->map == $LINK_MAP;	1786	return if UNIVERSAL::isa $self->map, "ext::map_link";
1501		1787
1502	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1788	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1503	if $self->map;	1789	if $self->map;
1504		1790
1505	$self->enter_map ($LINK_MAP, 20, 20);	1791	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1506	}	1792	}
1507		1793
1508	sub cf::object::player::leave_link {	1794	sub cf::object::player::leave_link {
1509	my ($self, $map, $x, $y) = @_;	1795	my ($self, $map, $x, $y) = @_;
1510		1796
1511	my $link_pos = delete $self->{_link_pos};	1797	my $link_pos = delete $self->{_link_pos};
1512		1798
1513	unless ($map) {	1799	unless ($map) {
1514	# restore original map position	1800	# restore original map position
1515	($map, $x, $y) = @{ $link_pos || [] };	1801	($map, $x, $y) = @{ $link_pos || [] };
1516	$map = cf::map::find_map $map;	1802	$map = cf::map::find $map;
1517		1803
1518	unless ($map) {	1804	unless ($map) {
1519	($map, $x, $y) = @$EMERGENCY_POSITION;	1805	($map, $x, $y) = @$EMERGENCY_POSITION;
1520	$map = cf::map::find_map $map	1806	$map = cf::map::find $map
1521	or die "FATAL: cannot load emergency map\n";	1807	or die "FATAL: cannot load emergency map\n";
1522	}	1808	}
1523	}	1809	}
1524		1810
1525	($x, $y) = (-1, -1)	1811	($x, $y) = (-1, -1)
…		…
1528	# use -1 or undef as default coordinates, not 0, 0	1814	# use -1 or undef as default coordinates, not 0, 0
1529	($x, $y) = ($map->enter_x, $map->enter_y)	1815	($x, $y) = ($map->enter_x, $map->enter_y)
1530	if $x <=0 && $y <= 0;	1816	if $x <=0 && $y <= 0;
1531		1817
1532	$map->load;	1818	$map->load;
		1819	$map->load_diag;
1533		1820
		1821	return unless $self->contr->active;
1534	$self->activate_recursive;	1822	$self->activate_recursive;
		1823
		1824	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1535	$self->enter_map ($map, $x, $y);	1825	$self->enter_map ($map, $x, $y);
1536	}	1826	}
1537		1827
1538	cf::player->attach (	1828	cf::player->attach (
1539	on_logout => sub {	1829	on_logout => sub {
…		…
1551		1841
1552	# try to abort aborted map switching on player login :)	1842	# try to abort aborted map switching on player login :)
1553	# should happen only on crashes	1843	# should happen only on crashes
1554	if ($pl->ob->{_link_pos}) {	1844	if ($pl->ob->{_link_pos}) {
1555	$pl->ob->enter_link;	1845	$pl->ob->enter_link;
1556	cf::async {	1846	(async {
		1847	$pl->ob->reply (undef,
		1848	"There was an internal problem at your last logout, "
		1849	. "the server will try to bring you to your intended destination in a second.",
		1850	cf::NDI_RED);
1557	# we need this sleep as the login has a concurrent enter_exit running	1851	# we need this sleep as the login has a concurrent enter_exit running
1558	# and this sleep increases chances of the player not ending up in scorn	1852	# and this sleep increases chances of the player not ending up in scorn
1559	Coro::Timer::sleep 1;	1853	Coro::Timer::sleep 1;
1560	$pl->ob->leave_link;	1854	$pl->ob->leave_link;
1561	};	1855	})->prio (2);
1562	}	1856	}
1563	},	1857	},
1564	);	1858	);
1565		1859
1566	=item $player_object->goto_map ($path, $x, $y)	1860	=item $player_object->goto ($path, $x, $y)
1567		1861
1568	=cut	1862	=cut
1569		1863
1570	sub cf::object::player::goto_map {	1864	sub cf::object::player::goto {
1571	my ($self, $path, $x, $y) = @_;	1865	my ($self, $path, $x, $y) = @_;
1572		1866
1573	$self->enter_link;	1867	$self->enter_link;
1574		1868
1575	(cf::async {	1869	(async {
1576	$path = new cf::path $path;	1870	my $map = eval {
1577
1578	my $map = cf::map::find_map $path->as_string;	1871	my $map = cf::map::find $path;
1579	$map = $map->customise_for ($self) if $map;	1872	$map = $map->customise_for ($self) if $map;
1580		1873	$map
1581	# warn "entering ", $map->path, " at ($x, $y)\n"	1874	} or
1582	# if $map;
1583
1584	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1585		1876
1586	$self->leave_link ($map, $x, $y);	1877	$self->leave_link ($map, $x, $y);
1587	})->prio (1);	1878	})->prio (1);
1588	}	1879	}
1589		1880
…		…
1593		1884
1594	sub parse_random_map_params {	1885	sub parse_random_map_params {
1595	my ($spec) = @_;	1886	my ($spec) = @_;
1596		1887
1597	my $rmp = { # defaults	1888	my $rmp = { # defaults
1598	xsize => 10,	1889	xsize => (cf::rndm 15, 40),
1599	ysize => 10,	1890	ysize => (cf::rndm 15, 40),
		1891	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1892	#layout => string,
1600	};	1893	};
1601		1894
1602	for (split /\n/, $spec) {	1895	for (split /\n/, $spec) {
1603	my ($k, $v) = split /\s+/, $_, 2;	1896	my ($k, $v) = split /\s+/, $_, 2;
1604		1897
…		…
1608	$rmp	1901	$rmp
1609	}	1902	}
1610		1903
1611	sub prepare_random_map {	1904	sub prepare_random_map {
1612	my ($exit) = @_;	1905	my ($exit) = @_;
		1906
		1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1613		1908
1614	# all this does is basically replace the /! path by	1909	# all this does is basically replace the /! path by
1615	# a new random map path (?random/...) with a seed	1910	# a new random map path (?random/...) with a seed
1616	# that depends on the exit object	1911	# that depends on the exit object
1617		1912
1618	my $rmp = parse_random_map_params $exit->msg;	1913	my $rmp = parse_random_map_params $exit->msg;
1619		1914
1620	if ($exit->map) {	1915	if ($exit->map) {
1621	$rmp->{region} = $exit->map->region_name;	1916	$rmp->{region} = $exit->region->name;
1622	$rmp->{origin_map} = $exit->map->path;	1917	$rmp->{origin_map} = $exit->map->path;
1623	$rmp->{origin_x} = $exit->x;	1918	$rmp->{origin_x} = $exit->x;
1624	$rmp->{origin_y} = $exit->y;	1919	$rmp->{origin_y} = $exit->y;
1625	}	1920	}
1626		1921
1627	$rmp->{random_seed} ||= $exit->random_seed;	1922	$rmp->{random_seed} ||= $exit->random_seed;
1628		1923
1629	my $data = cf::to_json $rmp;	1924	my $data = cf::to_json $rmp;
1630	my $md5 = Digest::MD5::md5_hex $data;	1925	my $md5 = Digest::MD5::md5_hex $data;
		1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1631		1927
1632	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1633	aio_write $fh, 0, (length $data), $data, 0;	1929	aio_write $fh, 0, (length $data), $data, 0;
		1930	undef $fh;
		1931	aio_rename "$meta~", $meta;
1634		1932
1635	$exit->slaying ("?random/$md5");	1933	$exit->slaying ("?random/$md5");
1636	$exit->msg (undef);	1934	$exit->msg (undef);
1637	}	1935	}
1638	}	1936	}
…		…
1640	sub cf::object::player::enter_exit {	1938	sub cf::object::player::enter_exit {
1641	my ($self, $exit) = @_;	1939	my ($self, $exit) = @_;
1642		1940
1643	return unless $self->type == cf::PLAYER;	1941	return unless $self->type == cf::PLAYER;
1644		1942
		1943	if ($exit->slaying eq "/!") {
		1944	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1945	cf::sync_job { prepare_random_map $exit };
		1946	}
		1947
		1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1949	my $hp = $exit->stats->hp;
		1950	my $sp = $exit->stats->sp;
		1951
1645	$self->enter_link;	1952	$self->enter_link;
1646		1953
1647	(cf::async {	1954	(async {
		1955	$self->deactivate_recursive; # just to be sure
1648	unless (eval {	1956	unless (eval {
1649	prepare_random_map $exit	1957	$self->goto ($slaying, $hp, $sp);
1650	if $exit->slaying eq "/!";
1651
1652	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1653	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1654		1958
1655	1;	1959	1;
1656	}) {	1960	}) {
1657	$self->message ("Something went wrong deep within the crossfire server. "	1961	$self->message ("Something went wrong deep within the crossfire server. "
1658	. "I'll try to bring you back to the map you were before. "	1962	. "I'll try to bring you back to the map you were before. "
1659	. "Please report this to the dungeon master",	1963	. "Please report this to the dungeon master!",
1660	cf::NDI_UNIQUE | cf::NDI_RED);	1964	cf::NDI_UNIQUE | cf::NDI_RED);
1661		1965
1662	warn "ERROR in enter_exit: $@";	1966	warn "ERROR in enter_exit: $@";
1663	$self->leave_link;	1967	$self->leave_link;
1664	}	1968	}
…		…
1719	# get handled first	2023	# get handled first
1720	my $queue = delete $ns->{query_queue}	2024	my $queue = delete $ns->{query_queue}
1721	or return; # be conservative, not sure how that can happen, but we saw a crash here	2025	or return; # be conservative, not sure how that can happen, but we saw a crash here
1722		2026
1723	(shift @$queue)->[1]->($msg);	2027	(shift @$queue)->[1]->($msg);
		2028	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1724		2029
1725	push @{ $ns->{query_queue} }, @$queue;	2030	push @{ $ns->{query_queue} }, @$queue;
1726		2031
1727	if (@{ $ns->{query_queue} } == @$queue) {	2032	if (@{ $ns->{query_queue} } == @$queue) {
1728	if (@$queue) {	2033	if (@$queue) {
…		…
1732	}	2037	}
1733	}	2038	}
1734	},	2039	},
1735	);	2040	);
1736		2041
1737	=item $client->coro (\&cb)	2042	=item $client->async (\&cb)
1738		2043
1739	Create a new coroutine, running the specified callback. The coroutine will	2044	Create a new coroutine, running the specified callback. The coroutine will
1740	be automatically cancelled when the client gets destroyed (e.g. on logout,	2045	be automatically cancelled when the client gets destroyed (e.g. on logout,
1741	or loss of connection).	2046	or loss of connection).
1742		2047
1743	=cut	2048	=cut
1744		2049
1745	sub cf::client::coro {	2050	sub cf::client::async {
1746	my ($self, $cb) = @_;	2051	my ($self, $cb) = @_;
1747		2052
1748	my $coro = &cf::async ($cb);	2053	my $coro = &Coro::async ($cb);
1749		2054
1750	$coro->on_destroy (sub {	2055	$coro->on_destroy (sub {
1751	delete $self->{_coro}{$coro+0};	2056	delete $self->{_coro}{$coro+0};
1752	});	2057	});
1753		2058
…		…
1889	The parameter C<$family> should best start with the name of the extension	2194	The parameter C<$family> should best start with the name of the extension
1890	using it, it should be unique.	2195	using it, it should be unique.
1891		2196
1892	=over 4	2197	=over 4
1893		2198
1894	=item $hashref = cf::db_get $family
1895
1896	Return a hashref for use by the extension C<$family>, which can be
1897	modified. After modifications, you have to call C<cf::db_dirty> or
1898	C<cf::db_sync>.
1899
1900	=item $value = cf::db_get $family => $key	2199	=item $value = cf::db_get $family => $key
1901		2200
1902	Returns a single value from the database	2201	Returns a single value from the database.
1903
1904	=item cf::db_put $family => $hashref
1905
1906	Stores the given family hashref into the database. Updates are delayed, if
1907	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1908		2202
1909	=item cf::db_put $family => $key => $value	2203	=item cf::db_put $family => $key => $value
1910		2204
1911	Stores the given C<$value> in the family hash. Updates are delayed, if you	2205	Stores the given C<$value> in the family.
1912	want the data to be synced to disk immediately, use C<cf::db_sync>.
1913
1914	=item cf::db_dirty
1915
1916	Marks the database as dirty, to be updated at a later time.
1917
1918	=item cf::db_sync
1919
1920	Immediately write the database to disk I<if it is dirty>.
1921		2206
1922	=cut	2207	=cut
1923		2208
1924	our $DB;	2209	our $DB;
1925		2210
1926	{	2211	sub db_init {
		2212	unless ($DB) {
		2213	$DB = BDB::db_create $DB_ENV;
		2214
		2215	cf::sync_job {
		2216	eval {
		2217	$DB->set_flags (BDB::CHKSUM);
		2218
		2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2221	cf::cleanup "db_open(db): $!" if $!;
		2222	};
		2223	cf::cleanup "db_open(db): $@" if $@;
		2224	};
		2225
1927	my $path = cf::localdir . "/database.pst";	2226	my $path = cf::localdir . "/database.pst";
		2227	if (stat $path) {
		2228	cf::sync_job {
		2229	my $pst = Storable::retrieve $path;
1928		2230
1929	sub db_load() {	2231	cf::db_put (board => data => $pst->{board});
1930	$DB = stat $path ? Storable::retrieve $path : { };	2232	cf::db_put (guildrules => data => $pst->{guildrules});
1931	}	2233	cf::db_put (rent => balance => $pst->{rent}{balance});
		2234	BDB::db_env_txn_checkpoint $DB_ENV;
1932		2235
1933	my $pid;	2236	unlink $path;
1934
1935	sub db_save() {
1936	waitpid $pid, 0 if $pid;
1937	if (0 == ($pid = fork)) {
1938	$DB->{_meta}{version} = 1;
1939	Storable::nstore $DB, "$path~";
1940	rename "$path~", $path;
1941	cf::_exit 0 if defined $pid;
1942	}	2237	};
1943	}
1944
1945	my $dirty;
1946
1947	sub db_sync() {
1948	db_save if $dirty;
1949	undef $dirty;
1950	}
1951
1952	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1953	db_sync;
1954	});
1955
1956	sub db_dirty() {
1957	$dirty = 1;
1958	$idle->start;
1959	}
1960
1961	sub db_get($;$) {
1962	@_ >= 2
1963	? $DB->{$_[0]}{$_[1]}
1964	: ($DB->{$_[0]} ||= { })
1965	}
1966
1967	sub db_put($$;$) {
1968	if (@_ >= 3) {
1969	$DB->{$_[0]}{$_[1]} = $_[2];
1970	} else {
1971	$DB->{$_[0]} = $_[1];
1972	}
1973	db_dirty;
1974	}
1975
1976	cf::global->attach (
1977	prio => 10000,
1978	on_cleanup => sub {
1979	db_sync;
1980	},	2238	}
1981	);	2239	}
		2240	}
		2241
		2242	sub db_get($$) {
		2243	my $key = "$_[0]/$_[1]";
		2244
		2245	cf::sync_job {
		2246	BDB::db_get $DB, undef, $key, my $data;
		2247
		2248	$! ? ()
		2249	: Compress::LZF::sthaw $data
		2250	}
		2251	}
		2252
		2253	sub db_put($$$) {
		2254	BDB::dbreq_pri 4;
		2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1982	}	2256	}
1983		2257
1984	#############################################################################	2258	#############################################################################
1985	# the server's main()	2259	# the server's init and main functions
		2260
		2261	sub load_resources {
		2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2263	or die "unable to load regions file\n";#d#
		2264	}
1986		2265
1987	sub cfg_load {	2266	sub cfg_load {
1988	open my $fh, "<:utf8", cf::confdir . "/config"	2267	open my $fh, "<:utf8", cf::confdir . "/config"
1989	or return;	2268	or return;
1990		2269
1991	local $/;	2270	local $/;
1992	*CFG = YAML::Syck::Load <$fh>;	2271	*CFG = YAML::Syck::Load <$fh>;
		2272
		2273	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2274
		2275	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2276	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2277
		2278	if (exists $CFG{mlockall}) {
		2279	eval {
		2280	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2281	and die "WARNING: m(un)lockall failed: $!\n";
		2282	};
		2283	warn $@ if $@;
		2284	}
		2285	}
		2286
		2287	sub init {
		2288	load_resources;
1993	}	2289	}
1994		2290
1995	sub main {	2291	sub main {
1996	# we must not ever block the main coroutine	2292	# we must not ever block the main coroutine
1997	local $Coro::idle = sub {	2293	local $Coro::idle = sub {
1998	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2294	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1999	(Coro::unblock_sub {	2295	(async {
2000	Event::one_event;	2296	Event::one_event;
2001	})->();	2297	})->prio (Coro::PRIO_MAX);
2002	};	2298	};
2003		2299
2004	cfg_load;	2300	cfg_load;
2005	db_load;	2301	db_init;
2006	load_extensions;	2302	load_extensions;
		2303
		2304	$TICK_WATCHER->start;
2007	Event::loop;	2305	Event::loop;
2008	}	2306	}
2009		2307
2010	#############################################################################	2308	#############################################################################
2011	# initialisation	2309	# initialisation and cleanup
		2310
		2311	# install some emergency cleanup handlers
		2312	BEGIN {
		2313	for my $signal (qw(INT HUP TERM)) {
		2314	Event->signal (
		2315	reentrant => 0,
		2316	data => WF_AUTOCANCEL,
		2317	signal => $signal,
		2318	prio => 0,
		2319	cb => sub {
		2320	cf::cleanup "SIG$signal";
		2321	},
		2322	);
		2323	}
		2324	}
		2325
		2326	sub emergency_save() {
		2327	my $freeze_guard = cf::freeze_mainloop;
		2328
		2329	warn "enter emergency perl save\n";
		2330
		2331	cf::sync_job {
		2332	# use a peculiar iteration method to avoid tripping on perl
		2333	# refcount bugs in for. also avoids problems with players
		2334	# and maps saved/destroyed asynchronously.
		2335	warn "begin emergency player save\n";
		2336	for my $login (keys %cf::PLAYER) {
		2337	my $pl = $cf::PLAYER{$login} or next;
		2338	$pl->valid or next;
		2339	$pl->save;
		2340	}
		2341	warn "end emergency player save\n";
		2342
		2343	warn "begin emergency map save\n";
		2344	for my $path (keys %cf::MAP) {
		2345	my $map = $cf::MAP{$path} or next;
		2346	$map->valid or next;
		2347	$map->save;
		2348	}
		2349	warn "end emergency map save\n";
		2350
		2351	warn "begin emergency database checkpoint\n";
		2352	BDB::db_env_txn_checkpoint $DB_ENV;
		2353	warn "end emergency database checkpoint\n";
		2354	};
		2355
		2356	warn "leave emergency perl save\n";
		2357	}
		2358
		2359	sub post_cleanup {
		2360	my ($make_core) = @_;
		2361
		2362	warn Carp::longmess "post_cleanup backtrace"
		2363	if $make_core;
		2364	}
2012		2365
2013	sub reload() {	2366	sub reload() {
2014	# can/must only be called in main	2367	# can/must only be called in main
2015	if ($Coro::current != $Coro::main) {	2368	if ($Coro::current != $Coro::main) {
2016	warn "can only reload from main coroutine\n";	2369	warn "can only reload from main coroutine";
2017	return;	2370	return;
2018	}	2371	}
2019		2372
2020	warn "reloading...";	2373	warn "reloading...";
2021		2374
2022	local $FREEZE = 1;	2375	warn "entering sync_job";
		2376
		2377	cf::sync_job {
		2378	cf::write_runtime; # external watchdog should not bark
2023	cf::emergency_save;	2379	cf::emergency_save;
		2380	cf::write_runtime; # external watchdog should not bark
2024		2381
2025	eval {	2382	warn "syncing database to disk";
		2383	BDB::db_env_txn_checkpoint $DB_ENV;
		2384
2026	# if anything goes wrong in here, we should simply crash as we already saved	2385	# if anything goes wrong in here, we should simply crash as we already saved
2027		2386
2028	# cancel all watchers	2387	warn "cancelling all WF_AUTOCANCEL watchers";
2029	for (Event::all_watchers) {	2388	for (Event::all_watchers) {
2030	$_->cancel if $_->data & WF_AUTOCANCEL;	2389	$_->cancel if $_->data & WF_AUTOCANCEL;
2031	}	2390	}
2032		2391
		2392	warn "flushing outstanding aio requests";
		2393	for (;;) {
		2394	BDB::flush;
		2395	IO::AIO::flush;
		2396	Coro::cede;
		2397	last unless IO::AIO::nreqs || BDB::nreqs;
		2398	warn "iterate...";
		2399	}
		2400
2033	# cancel all extension coros	2401	warn "cancelling all extension coros";
2034	$_->cancel for values %EXT_CORO;	2402	$_->cancel for values %EXT_CORO;
2035	%EXT_CORO = ();	2403	%EXT_CORO = ();
2036		2404
2037	# unload all extensions	2405	warn "removing commands";
2038	for (@exts) {	2406	%COMMAND = ();
		2407
		2408	warn "removing ext commands";
		2409	%EXTCMD = ();
		2410
		2411	warn "unloading/nuking all extensions";
		2412	for my $pkg (@EXTS) {
2039	warn "unloading <$_>";	2413	warn "... unloading $pkg";
2040	unload_extension $_;	2414
		2415	if (my $cb = $pkg->can ("unload")) {
		2416	eval {
		2417	$cb->($pkg);
		2418	1
		2419	} or warn "$pkg unloaded, but with errors: $@";
2041	}	2420	}
2042		2421
		2422	warn "... nuking $pkg";
		2423	Symbol::delete_package $pkg;
		2424	}
		2425
2043	# unload all modules loaded from $LIBDIR	2426	warn "unloading all perl modules loaded from $LIBDIR";
2044	while (my ($k, $v) = each %INC) {	2427	while (my ($k, $v) = each %INC) {
2045	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2428	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2046		2429
2047	warn "removing <$k>";	2430	warn "... unloading $k";
2048	delete $INC{$k};	2431	delete $INC{$k};
2049		2432
2050	$k =~ s/\.pm$//;	2433	$k =~ s/\.pm$//;
2051	$k =~ s/\//::/g;	2434	$k =~ s/\//::/g;
2052		2435
…		…
2055	}	2438	}
2056		2439
2057	Symbol::delete_package $k;	2440	Symbol::delete_package $k;
2058	}	2441	}
2059		2442
2060	# sync database to disk
2061	cf::db_sync;
2062	IO::AIO::flush;
2063
2064	# get rid of safe::, as good as possible	2443	warn "getting rid of safe::, as good as possible";
2065	Symbol::delete_package "safe::$_"	2444	Symbol::delete_package "safe::$_"
2066	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2445	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2067		2446
2068	# remove register_script_function callbacks
2069	# TODO
2070
2071	# unload cf.pm "a bit"	2447	warn "unloading cf.pm \"a bit\"";
2072	delete $INC{"cf.pm"};	2448	delete $INC{"cf.pm"};
2073		2449
2074	# don't, removes xs symbols, too,	2450	# don't, removes xs symbols, too,
2075	# and global variables created in xs	2451	# and global variables created in xs
2076	#Symbol::delete_package __PACKAGE__;	2452	#Symbol::delete_package __PACKAGE__;
2077		2453
2078	# reload cf.pm	2454	warn "unload completed, starting to reload now";
		2455
2079	warn "reloading cf.pm";	2456	warn "reloading cf.pm";
2080	require cf;	2457	require cf;
2081	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2458	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2082		2459
2083	# load config and database again	2460	warn "loading config and database again";
2084	cf::cfg_load;	2461	cf::cfg_load;
2085	cf::db_load;
2086		2462
2087	# load extensions
2088	warn "load extensions";	2463	warn "loading extensions";
2089	cf::load_extensions;	2464	cf::load_extensions;
2090		2465
2091	# reattach attachments to objects	2466	warn "reattaching attachments to objects/players";
2092	warn "reattach";
2093	_global_reattach;	2467	_global_reattach;
2094	};	2468	warn "reattaching attachments to maps";
		2469	reattach $_ for values %MAP;
2095		2470
2096	if ($@) {	2471	warn "loading reloadable resources";
		2472	load_resources;
		2473
		2474	warn "leaving sync_job";
		2475
		2476	1
		2477	} or do {
2097	warn $@;	2478	warn $@;
2098	warn "error while reloading, exiting.";	2479	warn "error while reloading, exiting.";
2099	exit 1;	2480	exit 1;
2100	}	2481	};
2101		2482
2102	warn "reloaded successfully";	2483	warn "reloaded";
2103	};	2484	};
2104		2485
2105	#############################################################################	2486	our $RELOAD_WATCHER; # used only during reload
2106
2107	unless ($LINK_MAP) {
2108	$LINK_MAP = cf::map::new;
2109
2110	$LINK_MAP->width (41);
2111	$LINK_MAP->height (41);
2112	$LINK_MAP->alloc;
2113	$LINK_MAP->path ("{link}");
2114	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2115	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2116
2117	# dirty hack because... archetypes are not yet loaded
2118	Event->timer (
2119	after => 2,
2120	cb => sub {
2121	$_[0]->w->cancel;
2122
2123	# provide some exits "home"
2124	my $exit = cf::object::new "exit";
2125
2126	$exit->slaying ($EMERGENCY_POSITION->[0]);
2127	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2128	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2129
2130	$LINK_MAP->insert ($exit->clone, 19, 19);
2131	$LINK_MAP->insert ($exit->clone, 19, 20);
2132	$LINK_MAP->insert ($exit->clone, 19, 21);
2133	$LINK_MAP->insert ($exit->clone, 20, 19);
2134	$LINK_MAP->insert ($exit->clone, 20, 21);
2135	$LINK_MAP->insert ($exit->clone, 21, 19);
2136	$LINK_MAP->insert ($exit->clone, 21, 20);
2137	$LINK_MAP->insert ($exit->clone, 21, 21);
2138
2139	$exit->destroy;
2140	});
2141
2142	$LINK_MAP->{deny_save} = 1;
2143	$LINK_MAP->{deny_reset} = 1;
2144
2145	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2146	}
2147
2148	register "<global>", __PACKAGE__;
2149		2487
2150	register_command "reload" => sub {	2488	register_command "reload" => sub {
2151	my ($who, $arg) = @_;	2489	my ($who, $arg) = @_;
2152		2490
2153	if ($who->flag (FLAG_WIZ)) {	2491	if ($who->flag (FLAG_WIZ)) {
2154	$who->message ("start of reload.");	2492	$who->message ("reloading server.");
		2493
		2494	# doing reload synchronously and two reloads happen back-to-back,
		2495	# coro crashes during coro_state_free->destroy here.
		2496
		2497	$RELOAD_WATCHER ||= Event->timer (
		2498	reentrant => 0,
		2499	after => 0,
		2500	data => WF_AUTOCANCEL,
		2501	cb => sub {
2155	reload;	2502	reload;
2156	$who->message ("end of reload.");	2503	undef $RELOAD_WATCHER;
		2504	},
		2505	);
2157	}	2506	}
2158	};	2507	};
2159		2508
2160	unshift @INC, $LIBDIR;	2509	unshift @INC, $LIBDIR;
		2510
		2511	my $bug_warning = 0;
2161		2512
2162	$TICK_WATCHER = Event->timer (	2513	$TICK_WATCHER = Event->timer (
2163	reentrant => 0,	2514	reentrant => 0,
		2515	parked => 1,
2164	prio => 0,	2516	prio => 0,
2165	at => $NEXT_TICK || $TICK,	2517	at => $NEXT_TICK || $TICK,
2166	data => WF_AUTOCANCEL,	2518	data => WF_AUTOCANCEL,
2167	cb => sub {	2519	cb => sub {
2168	unless ($FREEZE) {	2520	if ($Coro::current != $Coro::main) {
		2521	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2522	unless ++$bug_warning > 10;
		2523	return;
		2524	}
		2525
		2526	$NOW = Event::time;
		2527
2169	cf::server_tick; # one server iteration	2528	cf::server_tick; # one server iteration
2170	$RUNTIME += $TICK;	2529	$RUNTIME += $TICK;
2171	}
2172
2173	$NEXT_TICK += $TICK;	2530	$NEXT_TICK += $TICK;
		2531
		2532	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2533	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2534	Coro::async_pool {
		2535	write_runtime
		2536	or warn "ERROR: unable to write runtime file: $!";
		2537	};
		2538	}
		2539
		2540
		2541	$WAIT_FOR_TICK->broadcast;
		2542	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2543
		2544	# my $AFTER = Event::time;
		2545	# warn $AFTER - $NOW;#d#
2174		2546
2175	# if we are delayed by four ticks or more, skip them all	2547	# if we are delayed by four ticks or more, skip them all
2176	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2548	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2177		2549
2178	$TICK_WATCHER->at ($NEXT_TICK);	2550	$TICK_WATCHER->at ($NEXT_TICK);
2179	$TICK_WATCHER->start;	2551	$TICK_WATCHER->start;
2180	},	2552	},
2181	);	2553	);
2182		2554
		2555	{
2183	IO::AIO::max_poll_time $TICK * 0.2;	2556	BDB::max_poll_time $TICK * 0.1;
2184		2557	$BDB_POLL_WATCHER = Event->io (
2185	Event->io (	2558	reentrant => 0,
2186	fd => IO::AIO::poll_fileno,	2559	fd => BDB::poll_fileno,
2187	poll => 'r',	2560	poll => 'r',
2188	prio => 5,	2561	prio => 0,
2189	data => WF_AUTOCANCEL,
2190	cb => \&IO::AIO::poll_cb,
2191	);
2192
2193	Event->timer (
2194	data => WF_AUTOCANCEL,	2562	data => WF_AUTOCANCEL,
2195	after => 0,	2563	cb => \&BDB::poll_cb,
2196	interval => 10,	2564	);
2197	cb => sub {	2565	BDB::min_parallel 8;
2198	(Coro::unblock_sub {	2566
2199	write_runtime	2567	BDB::set_sync_prepare {
2200	or warn "ERROR: unable to write runtime file: $!";	2568	my $status;
		2569	my $current = $Coro::current;
		2570	(
		2571	sub {
		2572	$status = $!;
		2573	$current->ready; undef $current;
		2574	},
		2575	sub {
		2576	Coro::schedule while defined $current;
		2577	$! = $status;
		2578	},
		2579	)
		2580	};
		2581
		2582	unless ($DB_ENV) {
		2583	$DB_ENV = BDB::db_env_create;
		2584
		2585	cf::sync_job {
		2586	eval {
		2587	BDB::db_env_open
		2588	$DB_ENV,
		2589	$BDB_ENV_DIR,
		2590	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2591	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2592	0666;
		2593
		2594	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2595
		2596	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2597	$DB_ENV->set_lk_detect;
		2598	};
		2599
		2600	cf::cleanup "db_env_open(db): $@" if $@;
2201	})->();	2601	};
2202	},	2602	}
2203	);	2603	}
		2604
		2605	{
		2606	IO::AIO::min_parallel 8;
		2607
		2608	undef $Coro::AIO::WATCHER;
		2609	IO::AIO::max_poll_time $TICK * 0.1;
		2610	$AIO_POLL_WATCHER = Event->io (
		2611	reentrant => 0,
		2612	data => WF_AUTOCANCEL,
		2613	fd => IO::AIO::poll_fileno,
		2614	poll => 'r',
		2615	prio => 6,
		2616	cb => \&IO::AIO::poll_cb,
		2617	);
		2618	}
2204		2619
2205	END { cf::emergency_save }	2620	END { cf::emergency_save }
2206		2621
2207	1	2622	1
2208		2623

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