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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.134 by root, Thu Jan 4 17:28:49 2007 UTC vs.
Revision 1.214 by root, Wed Feb 14 00:40:05 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3 ();	13	use Coro 3.5 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use BDB ();
		21	use Data::Dumper;
20	use Digest::MD5;	22	use Digest::MD5;
21	use Fcntl;	23	use Fcntl;
22	use IO::AIO 2.31 ();	24	use IO::AIO 2.32 ();
23	use YAML::Syck ();	25	use YAML::Syck ();
24	use Time::HiRes;	26	use Time::HiRes;
		27	use Compress::LZF;
		28
		29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
25		30
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
		32
		33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
27		34
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	36	$YAML::Syck::ImplicitUnicode = 1;
30		37
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		39
35	our %COMMAND = ();	40	our %COMMAND = ();
36	our %COMMAND_TIME = ();	41	our %COMMAND_TIME = ();
		42
		43	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	44	our %EXTCMD = ();
		45	our %EXT_CORO = (); # coroutines bound to extensions
		46	our %EXT_MAP = (); # pluggable maps
38		47
39	our @EVENT;	48	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	49	our $LIBDIR = datadir . "/ext";
41		50
42	our $TICK = MAX_TIME * 1e-6;	51	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	52	our $TICK_WATCHER;
		53	our $AIO_POLL_WATCHER;
		54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	55	our $NEXT_TICK;
45	our $NOW;	56	our $NOW;
		57	our $USE_FSYNC = 1; # use fsync to write maps - default off
		58
		59	our $BDB_POLL_WATCHER;
		60	our $DB_ENV;
46		61
47	our %CFG;	62	our %CFG;
48		63
49	our $UPTIME; $UPTIME ||= time;	64	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	65	our $RUNTIME;
51		66
		67	our %PLAYER; # all users
52	our %MAP; # all maps	68	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	69	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	70	our $RANDOM_MAPS = cf::localdir . "/random";
55	our %EXT_CORO;	71	our $BDB_ENV_DIR = cf::localdir . "/db";
		72
		73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		75
		76	# used to convert map paths into valid unix filenames by replacing / by ∕
		77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		78
57	binmode STDOUT;	79	binmode STDOUT;
58	binmode STDERR;	80	binmode STDERR;
59		81
60	# read virtual server time, if available	82	# read virtual server time, if available
…		…
67	mkdir cf::localdir;	89	mkdir cf::localdir;
68	mkdir cf::localdir . "/" . cf::playerdir;	90	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	91	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	92	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	93	mkdir $RANDOM_MAPS;
		94	mkdir $BDB_ENV_DIR;
72		95
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	96	our $EMERGENCY_POSITION;
		97
		98	sub cf::map::normalise;
76		99
77	#############################################################################	100	#############################################################################
78		101
79	=head2 GLOBAL VARIABLES	102	=head2 GLOBAL VARIABLES
80		103
…		…
104		127
105	=item %cf::CFG	128	=item %cf::CFG
106		129
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	130	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	131	from wherever your confdir points to.
		132
		133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		134
		135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		137	processing has been done. Call C<< ->wait >> on them to maximise the
		138	window of cpu time available, or simply to synchronise to the server tick.
109		139
110	=back	140	=back
111		141
112	=cut	142	=cut
113		143
…		…
117	utf8::encode $msg;	147	utf8::encode $msg;
118		148
119	$msg .= "\n"	149	$msg .= "\n"
120	unless $msg =~ /\n$/;	150	unless $msg =~ /\n$/;
121		151
122	LOG llevError, "cfperl: $msg";	152	LOG llevError, $msg;
123	};	153	};
124	}	154	}
125		155
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		175
146	$Event::DIED = sub {	176	$Event::DIED = sub {
147	warn "error in event callback: @_";	177	warn "error in event callback: @_";
148	};	178	};
149		179
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	180	=head2 UTILITY FUNCTIONS
155		181
156	=over 4	182	=over 4
157		183
		184	=item dumpval $ref
		185
158	=cut	186	=cut
		187
		188	sub dumpval {
		189	eval {
		190	local $SIG{__DIE__};
		191	my $d;
		192	if (1) {
		193	$d = new Data::Dumper([$_[0]], ["*var"]);
		194	$d->Terse(1);
		195	$d->Indent(2);
		196	$d->Quotekeys(0);
		197	$d->Useqq(1);
		198	#$d->Bless(...);
		199	$d->Seen($_[1]) if @_ > 1;
		200	$d = $d->Dump();
		201	}
		202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		203	$d
		204	} || "[unable to dump $_[0]: '$@']";
		205	}
159		206
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	207	use JSON::Syck (); # TODO# replace by JSON::PC once working
161		208
162	=item $ref = cf::from_json $json	209	=item $ref = cf::from_json $json
163		210
…		…
179	sub to_json($) {	226	sub to_json($) {
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]	228	JSON::Syck::Dump $_[0]
182	}	229	}
183		230
184	=item my $guard = cf::guard { BLOCK }
185
186	Run the given callback when the guard object gets destroyed (useful for
187	coroutine cancellations).
188
189	You can call C<< ->cancel >> on the guard object to stop the block from
190	being executed.
191
192	=cut
193
194	sub guard(&) {
195	bless \(my $cb = $_[0]), cf::guard::;
196	}
197
198	sub cf::guard::cancel {
199	${$_[0]} = sub { };
200	}
201
202	sub cf::guard::DESTROY {
203	${$_[0]}->();
204	}
205
206	=item cf::lock_wait $string	231	=item cf::lock_wait $string
207		232
208	Wait until the given lock is available. See cf::lock_acquire.	233	Wait until the given lock is available. See cf::lock_acquire.
209		234
210	=item my $lock = cf::lock_acquire $string	235	=item my $lock = cf::lock_acquire $string
211		236
212	Wait until the given lock is available and then acquires it and returns	237	Wait until the given lock is available and then acquires it and returns
213	a guard object. If the guard object gets destroyed (goes out of scope,	238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
214	for example when the coroutine gets canceled), the lock is automatically	239	for example when the coroutine gets canceled), the lock is automatically
215	returned.	240	returned.
216		241
217	Lock names should begin with a unique identifier (for example, cf::map::find	242	Lock names should begin with a unique identifier (for example, cf::map::find
218	uses map_find and cf::map::load uses map_load).	243	uses map_find and cf::map::load uses map_load).
…		…
237	# wait, to be sure we are not locked	262	# wait, to be sure we are not locked
238	lock_wait $key;	263	lock_wait $key;
239		264
240	$LOCK{$key} = [];	265	$LOCK{$key} = [];
241		266
242	cf::guard {	267	Coro::guard {
243	# wake up all waiters, to be on the safe side	268	# wake up all waiters, to be on the safe side
244	$_->ready for @{ delete $LOCK{$key} };	269	$_->ready for @{ delete $LOCK{$key} };
245	}	270	}
246	}	271	}
247		272
248	=item cf::async { BLOCK }
249
250	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
251	error instead of exiting the server in case of a problem.
252
253	=cut
254
255	sub async(&) {
256	my ($cb) = @_;
257
258	Coro::async {
259	eval { $cb->() };
260	warn $@ if $@;
261	}
262	}
263
264	sub freeze_mainloop {	273	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	274	return unless $TICK_WATCHER->is_active;
266		275
267	my $guard = guard { $TICK_WATCHER->start };	276	my $guard = Coro::guard {
		277	$TICK_WATCHER->start;
		278	};
268	$TICK_WATCHER->stop;	279	$TICK_WATCHER->stop;
269	$guard	280	$guard
270	}	281	}
		282
		283	=item cf::async { BLOCK }
		284
		285	Currently the same as Coro::async_pool, meaning you cannot use
		286	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		287	thing you are allowed to do is call C<prio> on it.
		288
		289	=cut
		290
		291	BEGIN { *async = \&Coro::async_pool }
271		292
272	=item cf::sync_job { BLOCK }	293	=item cf::sync_job { BLOCK }
273		294
274	The design of crossfire+ requires that the main coro ($Coro::main) is	295	The design of crossfire+ requires that the main coro ($Coro::main) is
275	always able to handle events or runnable, as crossfire+ is only partly	296	always able to handle events or runnable, as crossfire+ is only partly
…		…
294	my $freeze_guard = freeze_mainloop;	315	my $freeze_guard = freeze_mainloop;
295		316
296	my $busy = 1;	317	my $busy = 1;
297	my @res;	318	my @res;
298		319
299	(Coro::async {	320	(async {
300	@res = eval { $job->() };	321	@res = eval { $job->() };
301	warn $@ if $@;	322	warn $@ if $@;
302	undef $busy;	323	undef $busy;
303	})->prio (Coro::PRIO_MAX);	324	})->prio (Coro::PRIO_MAX);
304		325
305	while ($busy) {	326	while ($busy) {
306	Coro::cede_notself;	327	Coro::cede or Event::one_event;
307	Event::one_event unless Coro::nready;
308	}	328	}
309		329
310	wantarray ? @res : $res[0]	330	wantarray ? @res : $res[0]
311	} else {	331	} else {
312	# we are in another coroutine, how wonderful, everything just works	332	# we are in another coroutine, how wonderful, everything just works
313		333
314	$job->()	334	$job->()
315	}	335	}
316	}	336	}
317		337
318	=item $coro = cf::coro { BLOCK }	338	=item $coro = cf::async_ext { BLOCK }
319		339
320	Creates and returns a new coro. This coro is automcatially being canceled	340	Like async, but this coro is automatically being canceled when the
321	when the extension calling this is being unloaded.	341	extension calling this is being unloaded.
322		342
323	=cut	343	=cut
324		344
325	sub coro(&) {	345	sub async_ext(&) {
326	my $cb = shift;	346	my $cb = shift;
327		347
328	my $coro = &cf::async ($cb);	348	my $coro = &Coro::async ($cb);
329		349
330	$coro->on_destroy (sub {	350	$coro->on_destroy (sub {
331	delete $EXT_CORO{$coro+0};	351	delete $EXT_CORO{$coro+0};
332	});	352	});
333	$EXT_CORO{$coro+0} = $coro;	353	$EXT_CORO{$coro+0} = $coro;
…		…
339	my $runtime = cf::localdir . "/runtime";	359	my $runtime = cf::localdir . "/runtime";
340		360
341	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
342	or return;	362	or return;
343		363
		364	my $value = $cf::RUNTIME + 90 + 10;
344	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
345	(aio_write $fh, 0, (length $value), $value, 0) <= 0	368	(aio_write $fh, 0, (length $value), $value, 0) <= 0
346	and return;	369	and return;
347		370
		371	# always fsync - this file is important
348	aio_fsync $fh	372	aio_fsync $fh
349	and return;	373	and return;
350		374
351	close $fh	375	close $fh
352	or return;	376	or return;
…		…
358	}	382	}
359		383
360	=back	384	=back
361		385
362	=cut	386	=cut
363
364	#############################################################################
365
366	package cf::path;
367
368	sub new {
369	my ($class, $path, $base) = @_;
370
371	$path = $path->as_string if ref $path;
372
373	my $self = bless { }, $class;
374
375	# {... are special paths that are not touched
376	# ?xxx/... are special absolute paths
377	# ?random/... random maps
378	# /! non-realised random map exit
379	# /... normal maps
380	# ~/... per-player maps without a specific player (DO NOT USE)
381	# ~user/... per-player map of a specific user
382
383	if ($path =~ /^{/) {
384	# fine as it is
385	} elsif ($path =~ s{^\?random/}{}) {
386	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
387	$self->{random} = cf::from_json $data;
388	} else {
389	if ($path =~ s{^~([^/]+)?}{}) {
390	$self->{user_rel} = 1;
391
392	if (defined $1) {
393	$self->{user} = $1;
394	} elsif ($base =~ m{^~([^/]+)/}) {
395	$self->{user} = $1;
396	} else {
397	warn "cannot resolve user-relative path without user <$path,$base>\n";
398	}
399	} elsif ($path =~ /^\//) {
400	# already absolute
401	} else {
402	$base =~ s{[^/]+/?$}{};
403	return $class->new ("$base/$path");
404	}
405
406	for ($path) {
407	redo if s{/\.?/}{/};
408	redo if s{/[^/]+/\.\./}{/};
409	}
410	}
411
412	$self->{path} = $path;
413
414	$self
415	}
416
417	# the name / primary key / in-game path
418	sub as_string {
419	my ($self) = @_;
420
421	$self->{user_rel} ? "~$self->{user}$self->{path}"
422	: $self->{random} ? "?random/$self->{path}"
423	: $self->{path}
424	}
425
426	# the displayed name, this is a one way mapping
427	sub visible_name {
428	my ($self) = @_;
429
430	# if (my $rmp = $self->{random}) {
431	# # todo: be more intelligent about this
432	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
433	# } else {
434	$self->as_string
435	# }
436	}
437
438	# escape the /'s in the path
439	sub _escaped_path {
440	# ∕ is U+2215
441	(my $path = $_[0]{path}) =~ s/\//∕/g;
442	$path
443	}
444
445	# the original (read-only) location
446	sub load_path {
447	my ($self) = @_;
448
449	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
450	}
451
452	# the temporary/swap location
453	sub save_path {
454	my ($self) = @_;
455
456	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
457	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
458	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
459	}
460
461	# the unique path, might be eq to save_path
462	sub uniq_path {
463	my ($self) = @_;
464
465	$self->{user_rel} || $self->{random}
466	? undef
467	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
468	}
469
470	# return random map parameters, or undef
471	sub random_map_params {
472	my ($self) = @_;
473
474	$self->{random}
475	}
476
477	# this is somewhat ugly, but style maps do need special treatment
478	sub is_style_map {
479	$_[0]{path} =~ m{^/styles/}
480	}
481
482	package cf;
483		387
484	#############################################################################	388	#############################################################################
485		389
486	=head2 ATTACHABLE OBJECTS	390	=head2 ATTACHABLE OBJECTS
487		391
…		…
613	our @CB_TYPE = (); # registry for type (cf-object class) based events	517	our @CB_TYPE = (); # registry for type (cf-object class) based events
614	our @CB_MAP = ();	518	our @CB_MAP = ();
615		519
616	my %attachment;	520	my %attachment;
617		521
		522	sub cf::attachable::thawer_merge {
		523	# simply override everything except _meta
		524	local $_[0]{_meta};
		525	%{$_[0]} = %{$_[1]};
		526	}
		527
618	sub _attach_cb($$$$) {	528	sub _attach_cb($$$$) {
619	my ($registry, $event, $prio, $cb) = @_;	529	my ($registry, $event, $prio, $cb) = @_;
620		530
621	use sort 'stable';	531	use sort 'stable';
622		532
…		…
793	# object support	703	# object support
794		704
795	sub reattach {	705	sub reattach {
796	# basically do the same as instantiate, without calling instantiate	706	# basically do the same as instantiate, without calling instantiate
797	my ($obj) = @_;	707	my ($obj) = @_;
		708
		709	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
798		710
799	my $registry = $obj->registry;	711	my $registry = $obj->registry;
800		712
801	@$registry = ();	713	@$registry = ();
802		714
…		…
849	$filename, length $$rdata, scalar @$objs;	761	$filename, length $$rdata, scalar @$objs;
850		762
851	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
852	chmod SAVE_MODE, $fh;	764	chmod SAVE_MODE, $fh;
853	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
854	aio_fsync $fh;	766	aio_fsync $fh if $cf::USE_FSYNC;
855	close $fh;	767	close $fh;
856		768
857	if (@$objs) {	769	if (@$objs) {
858	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) {
859	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
860	my $data = Storable::nfreeze { version => 1, objs => $objs };	772	my $data = Storable::nfreeze { version => 1, objs => $objs };
861	aio_write $fh, 0, (length $data), $data, 0;	773	aio_write $fh, 0, (length $data), $data, 0;
862	aio_fsync $fh;	774	aio_fsync $fh if $cf::USE_FSYNC;
863	close $fh;	775	close $fh;
864	aio_rename "$filename.pst~", "$filename.pst";	776	aio_rename "$filename.pst~", "$filename.pst";
865	}	777	}
866	} else {	778	} else {
867	aio_unlink "$filename.pst";	779	aio_unlink "$filename.pst";
…		…
873	}	785	}
874	} else {	786	} else {
875	aio_unlink $filename;	787	aio_unlink $filename;
876	aio_unlink "$filename.pst";	788	aio_unlink "$filename.pst";
877	}	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	}
878	}	796	}
879	}	797	}
880		798
881	sub object_freezer_as_string {	799	sub object_freezer_as_string {
882	my ($rdata, $objs) = @_;	800	my ($rdata, $objs) = @_;
…		…
888		806
889	sub object_thawer_load {	807	sub object_thawer_load {
890	my ($filename) = @_;	808	my ($filename) = @_;
891		809
892	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$//;
893		814
894	(aio_load $filename, $data) >= 0	815	(aio_load $filename, $data) >= 0
895	or return;	816	or return;
896		817
897	unless (aio_stat "$filename.pst") {	818	unless (aio_stat "$filename.pst") {
…		…
934	=cut	855	=cut
935		856
936	sub register_extcmd {	857	sub register_extcmd {
937	my ($name, $cb) = @_;	858	my ($name, $cb) = @_;
938		859
939	my $caller = caller;
940	#warn "registering extcmd '$name' to '$caller'";
941
942	$EXTCMD{$name} = [$cb, $caller];	860	$EXTCMD{$name} = $cb;
943	}	861	}
944		862
945	cf::player->attach (	863	cf::player->attach (
946	on_command => sub {	864	on_command => sub {
947	my ($pl, $name, $params) = @_;	865	my ($pl, $name, $params) = @_;
…		…
960		878
961	my $msg = eval { from_json $buf };	879	my $msg = eval { from_json $buf };
962		880
963	if (ref $msg) {	881	if (ref $msg) {
964	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	882	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
965	if (my %reply = $cb->[0]->($pl, $msg)) {	883	if (my %reply = $cb->($pl, $msg)) {
966	$pl->ext_reply ($msg->{msgid}, %reply);	884	$pl->ext_reply ($msg->{msgid}, %reply);
967	}	885	}
968	}	886	}
969	} else {	887	} else {
970	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	888	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
972		890
973	cf::override;	891	cf::override;
974	},	892	},
975	);	893	);
976		894
977	sub register {
978	my ($base, $pkg) = @_;
979
980	#TODO
981	}
982
983	sub load_extension {	895	sub load_extension {
984	my ($path) = @_;	896	my ($path) = @_;
985		897
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	898	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
987	my $base = $1;	899	my $base = $1;
988	my $pkg = $1;	900	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;	901	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";	902	$pkg = "ext::$pkg";
991		903
992	warn "loading '$path' into '$pkg'\n";	904	warn "... loading '$path' into '$pkg'\n";
993		905
994	open my $fh, "<:utf8", $path	906	open my $fh, "<:utf8", $path
995	or die "$path: $!";	907	or die "$path: $!";
996		908
997	my $source =	909	my $source =
998	"package $pkg; use strict; use utf8;\n"	910	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"	911	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })	912	. (do { local $/; <$fh> })
1001	. "\n};\n1";	913	. "\n};\n1";
1002		914
1003	eval $source	915	unless (eval $source) {
1004	or die $@ ? "$path: $@\n"	916	my $msg = $@ ? "$path: $@\n"
1005	: "extension disabled.\n";	917	: "extension disabled.\n";
1006		918	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1007	push @exts, $pkg;	919	warn $@;
1008	$ext_pkg{$base} = $pkg;	920	warn "mandatory extension failed to load, exiting.\n";
1009		921	exit 1;
1010	# no strict 'refs';	922	}
1011	# @{"$pkg\::ISA"} = ext::;	923	die $@;
1012
1013	register $base, $pkg;
1014	}
1015
1016	sub unload_extension {
1017	my ($pkg) = @_;
1018
1019	warn "removing extension $pkg\n";
1020
1021	# remove hooks
1022	#TODO
1023	# for my $idx (0 .. $#PLUGIN_EVENT) {
1024	# delete $hook[$idx]{$pkg};
1025	# }	924	}
1026		925
1027	# remove commands	926	push @EXTS, $pkg;
1028	for my $name (keys %COMMAND) {
1029	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1030
1031	if (@cb) {
1032	$COMMAND{$name} = \@cb;
1033	} else {
1034	delete $COMMAND{$name};
1035	}
1036	}
1037
1038	# remove extcmds
1039	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1040	delete $EXTCMD{$name};
1041	}
1042
1043	if (my $cb = $pkg->can ("unload")) {
1044	eval {
1045	$cb->($pkg);
1046	1
1047	} or warn "$pkg unloaded, but with errors: $@";
1048	}
1049
1050	Symbol::delete_package $pkg;
1051	}	927	}
1052		928
1053	sub load_extensions {	929	sub load_extensions {
1054	for my $ext (<$LIBDIR/*.ext>) {	930	for my $ext (<$LIBDIR/*.ext>) {
1055	next unless -r $ext;	931	next unless -r $ext;
…		…
1059	} or warn "$ext not loaded: $@";	935	} or warn "$ext not loaded: $@";
1060	}	936	}
1061	}	937	}
1062		938
1063	#############################################################################	939	#############################################################################
1064	# load/save/clean perl data associated with a map
1065
1066	*cf::mapsupport::on_clean = sub {
1067	my ($map) = @_;
1068
1069	my $path = $map->tmpname;
1070	defined $path or return;
1071
1072	unlink "$path.pst";
1073	};
1074
1075	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1076
1077	#############################################################################
1078	# load/save perl data associated with player->ob objects
1079
1080	sub all_objects(@) {
1081	@_, map all_objects ($_->inv), @_
1082	}
1083
1084	# TODO: compatibility cruft, remove when no longer needed
1085	cf::player->attach (
1086	on_load => sub {
1087	my ($pl, $path) = @_;
1088
1089	for my $o (all_objects $pl->ob) {
1090	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1091	$o->set_ob_key_value ("_perl_data");
1092
1093	%$o = %{ Storable::thaw pack "H*", $value };
1094	}
1095	}
1096	},
1097	);
1098
1099	#############################################################################
1100		940
1101	=head2 CORE EXTENSIONS	941	=head2 CORE EXTENSIONS
1102		942
1103	Functions and methods that extend core crossfire objects.	943	Functions and methods that extend core crossfire objects.
1104		944
		945	=cut
		946
		947	package cf::player;
		948
		949	use Coro::AIO;
		950
1105	=head3 cf::player	951	=head3 cf::player
1106		952
1107	=over 4	953	=over 4
1108		954
1109	=item cf::player::exists $login	955	=item cf::player::find $login
1110		956
1111	Returns true when the given account exists.	957	Returns the given player object, loading it if necessary (might block).
1112		958
1113	=cut	959	=cut
1114		960
1115	sub cf::player::exists($) {	961	sub playerdir($) {
1116	cf::player::find $_[0]	962	cf::localdir
1117	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
1118	}	1109	}
1119		1110
1120	=item $player->ext_reply ($msgid, $msgtype, %msg)	1111	=item $player->ext_reply ($msgid, $msgtype, %msg)
1121		1112
1122	Sends an ext reply to the player.	1113	Sends an ext reply to the player.
1123		1114
1124	=cut	1115	=cut
1125		1116
1126	sub cf::player::ext_reply($$$%) {	1117	sub ext_reply($$$%) {
1127	my ($self, $id, %msg) = @_;	1118	my ($self, $id, %msg) = @_;
1128		1119
1129	$msg{msgid} = $id;	1120	$msg{msgid} = $id;
1130		1121
1131	$self->send ("ext " . to_json \%msg);	1122	$self->send ("ext " . cf::to_json \%msg);
1132	}	1123	}
		1124
		1125	package cf;
1133		1126
1134	=back	1127	=back
1135		1128
1136		1129
1137	=head3 cf::map	1130	=head3 cf::map
…		…
1143	package cf::map;	1136	package cf::map;
1144		1137
1145	use Fcntl;	1138	use Fcntl;
1146	use Coro::AIO;	1139	use Coro::AIO;
1147		1140
		1141	use overload
		1142	'""' => \&as_string,
		1143	fallback => 1;
		1144
1148	our $MAX_RESET = 3600;	1145	our $MAX_RESET = 3600;
1149	our $DEFAULT_RESET = 3000;	1146	our $DEFAULT_RESET = 3000;
1150		1147
1151	sub generate_random_map {	1148	sub generate_random_map {
1152	my ($path, $rmp) = @_;	1149	my ($self, $rmp) = @_;
1153
1154	# mit "rum" bekleckern, nicht	1150	# mit "rum" bekleckern, nicht
1155	cf::map::_create_random_map	1151	$self->_create_random_map (
1156	$path,
1157	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1152	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1158	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1153	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1159	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1154	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1160	$rmp->{exit_on_final_map},	1155	$rmp->{exit_on_final_map},
1161	$rmp->{xsize}, $rmp->{ysize},	1156	$rmp->{xsize}, $rmp->{ysize},
1162	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1157	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1163	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1158	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1164	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1159	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1165	$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},
1166	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1161	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1167	(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
1168	}	1293	}
1169		1294
1170	# and all this just because we cannot iterate over	1295	# and all this just because we cannot iterate over
1171	# all maps in C++...	1296	# all maps in C++...
1172	sub change_all_map_light {	1297	sub change_all_map_light {
…		…
1174		1299
1175	$_->change_map_light ($change)	1300	$_->change_map_light ($change)
1176	for grep $_->outdoor, values %cf::MAP;	1301	for grep $_->outdoor, values %cf::MAP;
1177	}	1302	}
1178		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
1179	sub try_load_header($) {	1317	sub load_header_from($) {
1180	my ($path) = @_;	1318	my ($self, $path) = @_;
1181		1319
1182	utf8::encode $path;	1320	utf8::encode $path;
1183	aio_open $path, O_RDONLY, 0	1321	#aio_open $path, O_RDONLY, 0
		1322	# or return;
		1323
		1324	$self->_load_header ($path)
1184	or return;	1325	or return;
1185		1326
1186	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
1187	or return;	1370	or return;
		1371	$self->prepare_orig;
		1372	}
1188		1373
1189	$map->load_header ($path)	1374	1
1190	or return;
1191
1192	$map->{load_path} = $path;
1193
1194	$map
1195	}	1375	}
1196		1376
1197	sub find;	1377	sub find;
1198	sub find {	1378	sub find {
1199	my ($path, $origin) = @_;	1379	my ($path, $origin) = @_;
1200		1380
1201	#warn "find<$path,$origin>\n";#d#
1202
1203	$path = new cf::path $path, $origin && $origin->path;	1381	$path = normalise $path, $origin && $origin->path;
1204	my $key = $path->as_string;
1205		1382
1206	cf::lock_wait "map_find:$key";	1383	cf::lock_wait "map_find:$path";
1207		1384
1208	$cf::MAP{$key} || do {	1385	$cf::MAP{$path} || do {
1209	my $guard = cf::lock_acquire "map_find:$key";	1386	my $guard = cf::lock_acquire "map_find:$path";
1210		1387	my $map = new_from_path cf::map $path
1211	# do it the slow way
1212	my $map = try_load_header $path->save_path;
1213
1214	Coro::cede;
1215
1216	if ($map) {
1217	$map->last_access ((delete $map->{last_access})
1218	|| $cf::RUNTIME); #d#
1219	# safety
1220	$map->{instantiate_time} = $cf::RUNTIME
1221	if $map->{instantiate_time} > $cf::RUNTIME;
1222	} else {
1223	if (my $rmp = $path->random_map_params) {
1224	$map = generate_random_map $key, $rmp;
1225	} else {
1226	$map = try_load_header $path->load_path;
1227	}
1228
1229	$map or return;	1388	or return;
1230		1389
1231	$map->{load_original} = 1;
1232	$map->{instantiate_time} = $cf::RUNTIME;
1233	$map->last_access ($cf::RUNTIME);
1234	$map->instantiate;
1235
1236	# per-player maps become, after loading, normal maps
1237	$map->per_player (0) if $path->{user_rel};
1238	}
1239
1240	$map->path ($key);
1241	$map->{path} = $path;
1242	$map->{last_save} = $cf::RUNTIME;	1390	$map->{last_save} = $cf::RUNTIME;
1243		1391
1244	Coro::cede;	1392	$map->load_header
		1393	or return;
1245		1394
1246	if ($map->should_reset) {	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;
1247	$map->reset;	1398	$map->reset;
1248	undef $guard;	1399	undef $guard;
1249	$map = find $path	1400	return find $path;
1250	or return;
1251	}	1401	}
1252		1402
1253	$cf::MAP{$key} = $map	1403	$cf::MAP{$path} = $map
1254	}	1404	}
1255	}	1405	}
		1406
		1407	sub pre_load { }
		1408	sub post_load { }
1256		1409
1257	sub load {	1410	sub load {
1258	my ($self) = @_;	1411	my ($self) = @_;
1259		1412
		1413	local $self->{deny_reset} = 1; # loading can take a long time
		1414
1260	my $path = $self->{path};	1415	my $path = $self->{path};
1261	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1416	my $guard = cf::lock_acquire "map_load:$path";
1262		1417
1263	return if $self->in_memory != cf::MAP_SWAPPED;	1418	return if $self->in_memory != cf::MAP_SWAPPED;
1264		1419
1265	$self->in_memory (cf::MAP_LOADING);	1420	$self->in_memory (cf::MAP_LOADING);
1266		1421
1267	$self->alloc;	1422	$self->alloc;
		1423
		1424	$self->pre_load;
		1425
1268	$self->load_objects ($self->{load_path}, 1)	1426	$self->_load_objects ($self->{load_path}, 1)
1269	or return;	1427	or return;
1270		1428
1271	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1429	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1272	if delete $self->{load_original};	1430	if delete $self->{load_original};
1273		1431
1274	if (my $uniq = $path->uniq_path) {	1432	if (my $uniq = $self->uniq_path) {
1275	utf8::encode $uniq;	1433	utf8::encode $uniq;
1276	if (aio_open $uniq, O_RDONLY, 0) {	1434	if (aio_open $uniq, O_RDONLY, 0) {
1277	$self->clear_unique_items;	1435	$self->clear_unique_items;
1278	$self->load_objects ($uniq, 0);	1436	$self->_load_objects ($uniq, 0);
1279	}	1437	}
1280	}	1438	}
1281		1439
1282	Coro::cede;	1440	Coro::cede;
1283		1441
1284	# now do the right thing for maps	1442	# now do the right thing for maps
1285	$self->link_multipart_objects;	1443	$self->link_multipart_objects;
1286		1444
1287	if ($self->{path}->is_style_map) {	1445	unless ($self->{deny_activate}) {
1288	$self->{deny_save} = 1;	1446	$self->decay_objects;
1289	$self->{deny_reset} = 1;
1290	} else {
1291	$self->fix_auto_apply;	1447	$self->fix_auto_apply;
1292	$self->decay_objects;
1293	$self->update_buttons;	1448	$self->update_buttons;
		1449	Coro::cede;
1294	$self->set_darkness_map;	1450	$self->set_darkness_map;
1295	$self->difficulty ($self->estimate_difficulty)	1451	$self->difficulty ($self->estimate_difficulty)
1296	unless $self->difficulty;	1452	unless $self->difficulty;
		1453	Coro::cede;
1297	$self->activate;	1454	$self->activate;
1298	}	1455	}
1299		1456
1300	Coro::cede;	1457	$self->post_load;
1301		1458
1302	$self->in_memory (cf::MAP_IN_MEMORY);	1459	$self->in_memory (cf::MAP_IN_MEMORY);
		1460	}
		1461
		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	}
1303	}	1493	}
1304		1494
1305	sub find_sync {	1495	sub find_sync {
1306	my ($path, $origin) = @_;	1496	my ($path, $origin) = @_;
1307		1497
1308	cf::sync_job { cf::map::find $path, $origin }	1498	cf::sync_job { find $path, $origin }
1309	}	1499	}
1310		1500
1311	sub do_load_sync {	1501	sub do_load_sync {
1312	my ($map) = @_;	1502	my ($map) = @_;
1313		1503
1314	cf::sync_job { $map->load };	1504	cf::sync_job { $map->load };
1315	}	1505	}
1316		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;
		1525	$map->load;
		1526
		1527	delete $MAP_PREFETCH{$path};
		1528	}
		1529	}
		1530	undef $MAP_PREFETCHER;
		1531	};
		1532	$MAP_PREFETCHER->prio (6);
		1533
		1534	()
		1535	}
		1536
1317	sub save {	1537	sub save {
1318	my ($self) = @_;	1538	my ($self) = @_;
1319		1539
		1540	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1541
1320	$self->{last_save} = $cf::RUNTIME;	1542	$self->{last_save} = $cf::RUNTIME;
1321		1543
1322	return unless $self->dirty;	1544	return unless $self->dirty;
1323		1545
1324	my $save = $self->{path}->save_path; utf8::encode $save;	1546	my $save = $self->save_path; utf8::encode $save;
1325	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1547	my $uniq = $self->uniq_path; utf8::encode $uniq;
1326		1548
1327	$self->{load_path} = $save;	1549	$self->{load_path} = $save;
1328		1550
1329	return if $self->{deny_save};	1551	return if $self->{deny_save};
1330		1552
1331	local $self->{last_access} = $self->last_access;#d#	1553	local $self->{last_access} = $self->last_access;#d#
1332		1554
		1555	cf::async {
		1556	$_->contr->save for $self->players;
		1557	};
		1558
1333	if ($uniq) {	1559	if ($uniq) {
1334	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1560	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1335	$self->save_objects ($uniq, cf::IO_UNIQUES);	1561	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1336	} else {	1562	} else {
1337	$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);
1338	}	1564	}
1339	}	1565	}
1340		1566
1341	sub swap_out {	1567	sub swap_out {
1342	my ($self) = @_;	1568	my ($self) = @_;
1343		1569
1344	# save first because save cedes	1570	# save first because save cedes
1345	$self->save;	1571	$self->save;
		1572
		1573	my $lock = cf::lock_acquire "map_data:" . $self->path;
1346		1574
1347	return if $self->players;	1575	return if $self->players;
1348	return if $self->in_memory != cf::MAP_IN_MEMORY;	1576	return if $self->in_memory != cf::MAP_IN_MEMORY;
1349	return if $self->{deny_save};	1577	return if $self->{deny_save};
1350		1578
…		…
1354		1582
1355	sub reset_at {	1583	sub reset_at {
1356	my ($self) = @_;	1584	my ($self) = @_;
1357		1585
1358	# TODO: safety, remove and allow resettable per-player maps	1586	# TODO: safety, remove and allow resettable per-player maps
1359	return 1e99 if $self->{path}{user_rel};	1587	return 1e99 if $self->isa ("ext::map_per_player");#d#
1360	return 1e99 if $self->{deny_reset};	1588	return 1e99 if $self->{deny_reset};
1361		1589
1362	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1590	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1363	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;
1364		1592
…		…
1369	my ($self) = @_;	1597	my ($self) = @_;
1370		1598
1371	$self->reset_at <= $cf::RUNTIME	1599	$self->reset_at <= $cf::RUNTIME
1372	}	1600	}
1373		1601
1374	sub unlink_save {
1375	my ($self) = @_;
1376
1377	utf8::encode (my $save = $self->{path}->save_path);
1378	aioreq_pri 3; IO::AIO::aio_unlink $save;
1379	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1380	}
1381
1382	sub rename {
1383	my ($self, $new_path) = @_;
1384
1385	$self->unlink_save;
1386
1387	delete $cf::MAP{$self->path};
1388	$self->{path} = new cf::path $new_path;
1389	$self->path ($self->{path}->as_string);
1390	$cf::MAP{$self->path} = $self;
1391
1392	$self->save;
1393	}
1394
1395	sub reset {	1602	sub reset {
1396	my ($self) = @_;	1603	my ($self) = @_;
1397		1604
		1605	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1606
1398	return if $self->players;	1607	return if $self->players;
1399	return if $self->{path}{user_rel};#d#	1608	return if $self->isa ("ext::map_per_player");#d#
1400		1609
1401	warn "resetting map ", $self->path;#d#	1610	warn "resetting map ", $self->path;#d#
1402		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
1403	delete $cf::MAP{$self->path};	1622	delete $cf::MAP{$self->path};
		1623
		1624	$self->clear;
1404		1625
1405	$_->clear_links_to ($self) for values %cf::MAP;	1626	$_->clear_links_to ($self) for values %cf::MAP;
1406		1627
1407	$self->unlink_save;	1628	$self->unlink_save;
1408	$self->destroy;	1629	$self->destroy;
…		…
1411	my $nuke_counter = "aaaa";	1632	my $nuke_counter = "aaaa";
1412		1633
1413	sub nuke {	1634	sub nuke {
1414	my ($self) = @_;	1635	my ($self) = @_;
1415		1636
		1637	delete $cf::MAP{$self->path};
		1638
		1639	$self->unlink_save;
		1640
		1641	bless $self, "cf::map";
		1642	delete $self->{deny_reset};
1416	$self->{deny_save} = 1;	1643	$self->{deny_save} = 1;
1417	$self->reset_timeout (1);	1644	$self->reset_timeout (1);
1418	$self->rename ("{nuke}/" . ($nuke_counter++));	1645	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1646
		1647	$cf::MAP{$self->path} = $self;
		1648
1419	$self->reset; # polite request, might not happen	1649	$self->reset; # polite request, might not happen
1420	}	1650	}
1421		1651
1422	sub customise_for {	1652	=item cf::map::unique_maps
1423	my ($map, $ob) = @_;
1424		1653
1425	if ($map->per_player) {	1654	Returns an arrayref of paths of all shared maps that have
1426	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1655	instantiated unique items. May block.
1427	}
1428		1656
1429	$map	1657	=cut
1430	}
1431		1658
1432	sub emergency_save {	1659	sub unique_maps() {
1433	my $freeze_guard = cf::freeze_mainloop;	1660	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1661	or return;
1434		1662
1435	warn "enter emergency map save\n";	1663	my @paths;
1436		1664
1437	cf::sync_job {	1665	for (@$files) {
1438	warn "begin emergency map save\n";	1666	utf8::decode $_;
1439	$_->save for values %cf::MAP;	1667	next if /\.pst$/;
		1668	next unless /^$PATH_SEP/o;
		1669
		1670	push @paths, cf::map::normalise $_;
1440	};	1671	}
1441		1672
1442	warn "end emergency map save\n";	1673	\@paths
1443	}	1674	}
1444		1675
1445	package cf;	1676	package cf;
1446		1677
1447	=back	1678	=back
1448		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
1449		1706
1450	=head3 cf::object::player	1707	=head3 cf::object::player
1451		1708
1452	=over 4	1709	=over 4
1453		1710
…		…
1493		1750
1494	=item $player_object->enter_link	1751	=item $player_object->enter_link
1495		1752
1496	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}>).
1497		1754
1498	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
1499	I<MUST> call C<leave_link> as soon as possible, though.	1756	I<MUST> call C<leave_link> as soon as possible, though.
1500		1757
		1758	Will never block.
		1759
1501	=item $player_object->leave_link ($map, $x, $y)	1760	=item $player_object->leave_link ($map, $x, $y)
1502		1761
1503	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
1504	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
1505	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
1506	to the emergency map position.	1765	fails, to the emergency map position.
1507		1766
1508	Might block.	1767	Might block.
1509		1768
1510	=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	}
1511		1780
1512	sub cf::object::player::enter_link {	1781	sub cf::object::player::enter_link {
1513	my ($self) = @_;	1782	my ($self) = @_;
1514		1783
1515	$self->deactivate_recursive;	1784	$self->deactivate_recursive;
1516		1785
1517	return if $self->map == $LINK_MAP;	1786	return if UNIVERSAL::isa $self->map, "ext::map_link";
1518		1787
1519	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1788	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1520	if $self->map;	1789	if $self->map;
1521		1790
1522	$self->enter_map ($LINK_MAP, 20, 20);	1791	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1523	}	1792	}
1524		1793
1525	sub cf::object::player::leave_link {	1794	sub cf::object::player::leave_link {
1526	my ($self, $map, $x, $y) = @_;	1795	my ($self, $map, $x, $y) = @_;
1527		1796
…		…
1545	# use -1 or undef as default coordinates, not 0, 0	1814	# use -1 or undef as default coordinates, not 0, 0
1546	($x, $y) = ($map->enter_x, $map->enter_y)	1815	($x, $y) = ($map->enter_x, $map->enter_y)
1547	if $x <=0 && $y <= 0;	1816	if $x <=0 && $y <= 0;
1548		1817
1549	$map->load;	1818	$map->load;
		1819	$map->load_diag;
1550		1820
		1821	return unless $self->contr->active;
1551	$self->activate_recursive;	1822	$self->activate_recursive;
1552	$self->enter_map ($map, $x, $y);	1823	$self->enter_map ($map, $x, $y);
1553	}	1824	}
1554		1825
1555	cf::player->attach (	1826	cf::player->attach (
…		…
1568		1839
1569	# try to abort aborted map switching on player login :)	1840	# try to abort aborted map switching on player login :)
1570	# should happen only on crashes	1841	# should happen only on crashes
1571	if ($pl->ob->{_link_pos}) {	1842	if ($pl->ob->{_link_pos}) {
1572	$pl->ob->enter_link;	1843	$pl->ob->enter_link;
1573	cf::async {	1844	(async {
1574	# we need this sleep as the login has a concurrent enter_exit running	1845	# we need this sleep as the login has a concurrent enter_exit running
1575	# and this sleep increases chances of the player not ending up in scorn	1846	# and this sleep increases chances of the player not ending up in scorn
		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);
1576	Coro::Timer::sleep 1;	1851	Coro::Timer::sleep 1;
1577	$pl->ob->leave_link;	1852	$pl->ob->leave_link;
1578	};	1853	})->prio (2);
1579	}	1854	}
1580	},	1855	},
1581	);	1856	);
1582		1857
1583	=item $player_object->goto_map ($path, $x, $y)	1858	=item $player_object->goto ($path, $x, $y)
1584		1859
1585	=cut	1860	=cut
1586		1861
1587	sub cf::object::player::goto_map {	1862	sub cf::object::player::goto {
1588	my ($self, $path, $x, $y) = @_;	1863	my ($self, $path, $x, $y) = @_;
1589		1864
1590	$self->enter_link;	1865	$self->enter_link;
1591		1866
1592	(cf::async {	1867	(async {
1593	$path = new cf::path $path;	1868	my $map = eval {
1594
1595	my $map = cf::map::find $path->as_string;	1869	my $map = cf::map::find $path;
1596	$map = $map->customise_for ($self) if $map;	1870	$map = $map->customise_for ($self) if $map;
1597		1871	$map
1598	# warn "entering ", $map->path, " at ($x, $y)\n"	1872	} or
1599	# if $map;
1600
1601	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1873	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1602		1874
1603	$self->leave_link ($map, $x, $y);	1875	$self->leave_link ($map, $x, $y);
1604	})->prio (1);	1876	})->prio (1);
1605	}	1877	}
1606		1878
…		…
1610		1882
1611	sub parse_random_map_params {	1883	sub parse_random_map_params {
1612	my ($spec) = @_;	1884	my ($spec) = @_;
1613		1885
1614	my $rmp = { # defaults	1886	my $rmp = { # defaults
1615	xsize => 10,	1887	xsize => (cf::rndm 15, 40),
1616	ysize => 10,	1888	ysize => (cf::rndm 15, 40),
		1889	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1890	#layout => string,
1617	};	1891	};
1618		1892
1619	for (split /\n/, $spec) {	1893	for (split /\n/, $spec) {
1620	my ($k, $v) = split /\s+/, $_, 2;	1894	my ($k, $v) = split /\s+/, $_, 2;
1621		1895
…		…
1625	$rmp	1899	$rmp
1626	}	1900	}
1627		1901
1628	sub prepare_random_map {	1902	sub prepare_random_map {
1629	my ($exit) = @_;	1903	my ($exit) = @_;
		1904
		1905	my $guard = cf::lock_acquire "exit_prepare:$exit";
1630		1906
1631	# all this does is basically replace the /! path by	1907	# all this does is basically replace the /! path by
1632	# a new random map path (?random/...) with a seed	1908	# a new random map path (?random/...) with a seed
1633	# that depends on the exit object	1909	# that depends on the exit object
1634		1910
1635	my $rmp = parse_random_map_params $exit->msg;	1911	my $rmp = parse_random_map_params $exit->msg;
1636		1912
1637	if ($exit->map) {	1913	if ($exit->map) {
1638	$rmp->{region} = $exit->map->region_name;	1914	$rmp->{region} = $exit->region->name;
1639	$rmp->{origin_map} = $exit->map->path;	1915	$rmp->{origin_map} = $exit->map->path;
1640	$rmp->{origin_x} = $exit->x;	1916	$rmp->{origin_x} = $exit->x;
1641	$rmp->{origin_y} = $exit->y;	1917	$rmp->{origin_y} = $exit->y;
1642	}	1918	}
1643		1919
1644	$rmp->{random_seed} ||= $exit->random_seed;	1920	$rmp->{random_seed} ||= $exit->random_seed;
1645		1921
1646	my $data = cf::to_json $rmp;	1922	my $data = cf::to_json $rmp;
1647	my $md5 = Digest::MD5::md5_hex $data;	1923	my $md5 = Digest::MD5::md5_hex $data;
		1924	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1648		1925
1649	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1926	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1650	aio_write $fh, 0, (length $data), $data, 0;	1927	aio_write $fh, 0, (length $data), $data, 0;
		1928	undef $fh;
		1929	aio_rename "$meta~", $meta;
1651		1930
1652	$exit->slaying ("?random/$md5");	1931	$exit->slaying ("?random/$md5");
1653	$exit->msg (undef);	1932	$exit->msg (undef);
1654	}	1933	}
1655	}	1934	}
…		…
1657	sub cf::object::player::enter_exit {	1936	sub cf::object::player::enter_exit {
1658	my ($self, $exit) = @_;	1937	my ($self, $exit) = @_;
1659		1938
1660	return unless $self->type == cf::PLAYER;	1939	return unless $self->type == cf::PLAYER;
1661		1940
		1941	if ($exit->slaying eq "/!") {
		1942	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1943	cf::sync_job { prepare_random_map $exit };
		1944	}
		1945
		1946	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1947	my $hp = $exit->stats->hp;
		1948	my $sp = $exit->stats->sp;
		1949
1662	$self->enter_link;	1950	$self->enter_link;
1663		1951
1664	(cf::async {	1952	(async {
1665	$self->deactivate_recursive; # just to be sure	1953	$self->deactivate_recursive; # just to be sure
1666	unless (eval {	1954	unless (eval {
1667	prepare_random_map $exit	1955	$self->goto ($slaying, $hp, $sp);
1668	if $exit->slaying eq "/!";
1669
1670	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1671	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1672		1956
1673	1;	1957	1;
1674	}) {	1958	}) {
1675	$self->message ("Something went wrong deep within the crossfire server. "	1959	$self->message ("Something went wrong deep within the crossfire server. "
1676	. "I'll try to bring you back to the map you were before. "	1960	. "I'll try to bring you back to the map you were before. "
1677	. "Please report this to the dungeon master",	1961	. "Please report this to the dungeon master!",
1678	cf::NDI_UNIQUE | cf::NDI_RED);	1962	cf::NDI_UNIQUE | cf::NDI_RED);
1679		1963
1680	warn "ERROR in enter_exit: $@";	1964	warn "ERROR in enter_exit: $@";
1681	$self->leave_link;	1965	$self->leave_link;
1682	}	1966	}
…		…
1737	# get handled first	2021	# get handled first
1738	my $queue = delete $ns->{query_queue}	2022	my $queue = delete $ns->{query_queue}
1739	or return; # be conservative, not sure how that can happen, but we saw a crash here	2023	or return; # be conservative, not sure how that can happen, but we saw a crash here
1740		2024
1741	(shift @$queue)->[1]->($msg);	2025	(shift @$queue)->[1]->($msg);
		2026	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1742		2027
1743	push @{ $ns->{query_queue} }, @$queue;	2028	push @{ $ns->{query_queue} }, @$queue;
1744		2029
1745	if (@{ $ns->{query_queue} } == @$queue) {	2030	if (@{ $ns->{query_queue} } == @$queue) {
1746	if (@$queue) {	2031	if (@$queue) {
…		…
1750	}	2035	}
1751	}	2036	}
1752	},	2037	},
1753	);	2038	);
1754		2039
1755	=item $client->coro (\&cb)	2040	=item $client->async (\&cb)
1756		2041
1757	Create a new coroutine, running the specified callback. The coroutine will	2042	Create a new coroutine, running the specified callback. The coroutine will
1758	be automatically cancelled when the client gets destroyed (e.g. on logout,	2043	be automatically cancelled when the client gets destroyed (e.g. on logout,
1759	or loss of connection).	2044	or loss of connection).
1760		2045
1761	=cut	2046	=cut
1762		2047
1763	sub cf::client::coro {	2048	sub cf::client::async {
1764	my ($self, $cb) = @_;	2049	my ($self, $cb) = @_;
1765		2050
1766	my $coro = &cf::async ($cb);	2051	my $coro = &Coro::async ($cb);
1767		2052
1768	$coro->on_destroy (sub {	2053	$coro->on_destroy (sub {
1769	delete $self->{_coro}{$coro+0};	2054	delete $self->{_coro}{$coro+0};
1770	});	2055	});
1771		2056
…		…
1907	The parameter C<$family> should best start with the name of the extension	2192	The parameter C<$family> should best start with the name of the extension
1908	using it, it should be unique.	2193	using it, it should be unique.
1909		2194
1910	=over 4	2195	=over 4
1911		2196
1912	=item $hashref = cf::db_get $family
1913
1914	Return a hashref for use by the extension C<$family>, which can be
1915	modified. After modifications, you have to call C<cf::db_dirty> or
1916	C<cf::db_sync>.
1917
1918	=item $value = cf::db_get $family => $key	2197	=item $value = cf::db_get $family => $key
1919		2198
1920	Returns a single value from the database	2199	Returns a single value from the database.
1921
1922	=item cf::db_put $family => $hashref
1923
1924	Stores the given family hashref into the database. Updates are delayed, if
1925	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1926		2200
1927	=item cf::db_put $family => $key => $value	2201	=item cf::db_put $family => $key => $value
1928		2202
1929	Stores the given C<$value> in the family hash. Updates are delayed, if you	2203	Stores the given C<$value> in the family.
1930	want the data to be synced to disk immediately, use C<cf::db_sync>.
1931
1932	=item cf::db_dirty
1933
1934	Marks the database as dirty, to be updated at a later time.
1935
1936	=item cf::db_sync
1937
1938	Immediately write the database to disk I<if it is dirty>.
1939		2204
1940	=cut	2205	=cut
1941		2206
1942	our $DB;	2207	our $DB;
1943		2208
1944	{	2209	sub db_init {
		2210	unless ($DB) {
		2211	$DB = BDB::db_create $DB_ENV;
		2212
		2213	cf::sync_job {
		2214	eval {
		2215	$DB->set_flags (BDB::CHKSUM);
		2216
		2217	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2218	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2219	cf::cleanup "db_open(db): $!" if $!;
		2220	};
		2221	cf::cleanup "db_open(db): $@" if $@;
		2222	};
		2223
1945	my $path = cf::localdir . "/database.pst";	2224	my $path = cf::localdir . "/database.pst";
		2225	if (stat $path) {
		2226	cf::sync_job {
		2227	my $pst = Storable::retrieve $path;
1946		2228
1947	sub db_load() {	2229	cf::db_put (board => data => $pst->{board});
1948	$DB = stat $path ? Storable::retrieve $path : { };	2230	cf::db_put (guildrules => data => $pst->{guildrules});
1949	}	2231	cf::db_put (rent => balance => $pst->{rent}{balance});
		2232	BDB::db_env_txn_checkpoint $DB_ENV;
1950		2233
1951	my $pid;	2234	unlink $path;
1952
1953	sub db_save() {
1954	waitpid $pid, 0 if $pid;
1955	if (0 == ($pid = fork)) {
1956	$DB->{_meta}{version} = 1;
1957	Storable::nstore $DB, "$path~";
1958	rename "$path~", $path;
1959	cf::_exit 0 if defined $pid;
1960	}	2235	};
1961	}
1962
1963	my $dirty;
1964
1965	sub db_sync() {
1966	db_save if $dirty;
1967	undef $dirty;
1968	}
1969
1970	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1971	db_sync;
1972	});
1973
1974	sub db_dirty() {
1975	$dirty = 1;
1976	$idle->start;
1977	}
1978
1979	sub db_get($;$) {
1980	@_ >= 2
1981	? $DB->{$_[0]}{$_[1]}
1982	: ($DB->{$_[0]} ||= { })
1983	}
1984
1985	sub db_put($$;$) {
1986	if (@_ >= 3) {
1987	$DB->{$_[0]}{$_[1]} = $_[2];
1988	} else {
1989	$DB->{$_[0]} = $_[1];
1990	}
1991	db_dirty;
1992	}
1993
1994	cf::global->attach (
1995	prio => 10000,
1996	on_cleanup => sub {
1997	db_sync;
1998	},	2236	}
1999	);	2237	}
		2238	}
		2239
		2240	sub db_get($$) {
		2241	my $key = "$_[0]/$_[1]";
		2242
		2243	cf::sync_job {
		2244	BDB::db_get $DB, undef, $key, my $data;
		2245
		2246	$! ? ()
		2247	: Compress::LZF::sthaw $data
		2248	}
		2249	}
		2250
		2251	sub db_put($$$) {
		2252	BDB::dbreq_pri 4;
		2253	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2000	}	2254	}
2001		2255
2002	#############################################################################	2256	#############################################################################
2003	# the server's main()	2257	# the server's init and main functions
		2258
		2259	sub load_resources {
		2260	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2261	or die "unable to load regions file\n";#d#
		2262	}
2004		2263
2005	sub cfg_load {	2264	sub cfg_load {
2006	open my $fh, "<:utf8", cf::confdir . "/config"	2265	open my $fh, "<:utf8", cf::confdir . "/config"
2007	or return;	2266	or return;
2008		2267
2009	local $/;	2268	local $/;
2010	*CFG = YAML::Syck::Load <$fh>;	2269	*CFG = YAML::Syck::Load <$fh>;
2011		2270
2012	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2271	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2013		2272
		2273	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2274	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2275
2014	if (exists $CFG{mlockall}) {	2276	if (exists $CFG{mlockall}) {
2015	eval {	2277	eval {
2016	$CFG{mlockall} ? &mlockall : &munlockall	2278	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2017	and die "WARNING: m(un)lockall failed: $!\n";	2279	and die "WARNING: m(un)lockall failed: $!\n";
2018	};	2280	};
2019	warn $@ if $@;	2281	warn $@ if $@;
2020	}	2282	}
		2283	}
		2284
		2285	sub init {
		2286	load_resources;
2021	}	2287	}
2022		2288
2023	sub main {	2289	sub main {
2024	# we must not ever block the main coroutine	2290	# we must not ever block the main coroutine
2025	local $Coro::idle = sub {	2291	local $Coro::idle = sub {
2026	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2292	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2027	(Coro::unblock_sub {	2293	(async {
2028	Event::one_event;	2294	Event::one_event;
2029	})->();	2295	})->prio (Coro::PRIO_MAX);
2030	};	2296	};
2031		2297
2032	cfg_load;	2298	cfg_load;
2033	db_load;	2299	db_init;
2034	load_extensions;	2300	load_extensions;
		2301
		2302	$TICK_WATCHER->start;
2035	Event::loop;	2303	Event::loop;
2036	}	2304	}
2037		2305
2038	#############################################################################	2306	#############################################################################
2039	# initialisation	2307	# initialisation and cleanup
		2308
		2309	# install some emergency cleanup handlers
		2310	BEGIN {
		2311	for my $signal (qw(INT HUP TERM)) {
		2312	Event->signal (
		2313	reentrant => 0,
		2314	data => WF_AUTOCANCEL,
		2315	signal => $signal,
		2316	prio => 0,
		2317	cb => sub {
		2318	cf::cleanup "SIG$signal";
		2319	},
		2320	);
		2321	}
		2322	}
		2323
		2324	sub emergency_save() {
		2325	my $freeze_guard = cf::freeze_mainloop;
		2326
		2327	warn "enter emergency perl save\n";
		2328
		2329	cf::sync_job {
		2330	# use a peculiar iteration method to avoid tripping on perl
		2331	# refcount bugs in for. also avoids problems with players
		2332	# and maps saved/destroyed asynchronously.
		2333	warn "begin emergency player save\n";
		2334	for my $login (keys %cf::PLAYER) {
		2335	my $pl = $cf::PLAYER{$login} or next;
		2336	$pl->valid or next;
		2337	$pl->save;
		2338	}
		2339	warn "end emergency player save\n";
		2340
		2341	warn "begin emergency map save\n";
		2342	for my $path (keys %cf::MAP) {
		2343	my $map = $cf::MAP{$path} or next;
		2344	$map->valid or next;
		2345	$map->save;
		2346	}
		2347	warn "end emergency map save\n";
		2348
		2349	warn "begin emergency database checkpoint\n";
		2350	BDB::db_env_txn_checkpoint $DB_ENV;
		2351	warn "end emergency database checkpoint\n";
		2352	};
		2353
		2354	warn "leave emergency perl save\n";
		2355	}
		2356
		2357	sub post_cleanup {
		2358	my ($make_core) = @_;
		2359
		2360	warn Carp::longmess "post_cleanup backtrace"
		2361	if $make_core;
		2362	}
2040		2363
2041	sub reload() {	2364	sub reload() {
2042	# can/must only be called in main	2365	# can/must only be called in main
2043	if ($Coro::current != $Coro::main) {	2366	if ($Coro::current != $Coro::main) {
2044	warn "can only reload from main coroutine\n";	2367	warn "can only reload from main coroutine";
2045	return;	2368	return;
2046	}	2369	}
2047		2370
2048	warn "reloading...";	2371	warn "reloading...";
2049		2372
2050	my $guard = freeze_mainloop;	2373	warn "entering sync_job";
		2374
		2375	cf::sync_job {
		2376	cf::write_runtime; # external watchdog should not bark
2051	cf::emergency_save;	2377	cf::emergency_save;
		2378	cf::write_runtime; # external watchdog should not bark
2052		2379
2053	eval {	2380	warn "syncing database to disk";
		2381	BDB::db_env_txn_checkpoint $DB_ENV;
		2382
2054	# if anything goes wrong in here, we should simply crash as we already saved	2383	# if anything goes wrong in here, we should simply crash as we already saved
2055		2384
2056	# cancel all watchers	2385	warn "cancelling all WF_AUTOCANCEL watchers";
2057	for (Event::all_watchers) {	2386	for (Event::all_watchers) {
2058	$_->cancel if $_->data & WF_AUTOCANCEL;	2387	$_->cancel if $_->data & WF_AUTOCANCEL;
2059	}	2388	}
2060		2389
		2390	warn "flushing outstanding aio requests";
		2391	for (;;) {
		2392	BDB::flush;
		2393	IO::AIO::flush;
		2394	Coro::cede;
		2395	last unless IO::AIO::nreqs || BDB::nreqs;
		2396	warn "iterate...";
		2397	}
		2398
2061	# cancel all extension coros	2399	warn "cancelling all extension coros";
2062	$_->cancel for values %EXT_CORO;	2400	$_->cancel for values %EXT_CORO;
2063	%EXT_CORO = ();	2401	%EXT_CORO = ();
2064		2402
2065	# unload all extensions	2403	warn "removing commands";
2066	for (@exts) {	2404	%COMMAND = ();
		2405
		2406	warn "removing ext commands";
		2407	%EXTCMD = ();
		2408
		2409	warn "unloading/nuking all extensions";
		2410	for my $pkg (@EXTS) {
2067	warn "unloading <$_>";	2411	warn "... unloading $pkg";
2068	unload_extension $_;	2412
		2413	if (my $cb = $pkg->can ("unload")) {
		2414	eval {
		2415	$cb->($pkg);
		2416	1
		2417	} or warn "$pkg unloaded, but with errors: $@";
2069	}	2418	}
2070		2419
		2420	warn "... nuking $pkg";
		2421	Symbol::delete_package $pkg;
		2422	}
		2423
2071	# unload all modules loaded from $LIBDIR	2424	warn "unloading all perl modules loaded from $LIBDIR";
2072	while (my ($k, $v) = each %INC) {	2425	while (my ($k, $v) = each %INC) {
2073	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2426	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2074		2427
2075	warn "removing <$k>";	2428	warn "... unloading $k";
2076	delete $INC{$k};	2429	delete $INC{$k};
2077		2430
2078	$k =~ s/\.pm$//;	2431	$k =~ s/\.pm$//;
2079	$k =~ s/\//::/g;	2432	$k =~ s/\//::/g;
2080		2433
…		…
2083	}	2436	}
2084		2437
2085	Symbol::delete_package $k;	2438	Symbol::delete_package $k;
2086	}	2439	}
2087		2440
2088	# sync database to disk
2089	cf::db_sync;
2090	IO::AIO::flush;
2091
2092	# get rid of safe::, as good as possible	2441	warn "getting rid of safe::, as good as possible";
2093	Symbol::delete_package "safe::$_"	2442	Symbol::delete_package "safe::$_"
2094	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2443	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2095		2444
2096	# remove register_script_function callbacks
2097	# TODO
2098
2099	# unload cf.pm "a bit"	2445	warn "unloading cf.pm \"a bit\"";
2100	delete $INC{"cf.pm"};	2446	delete $INC{"cf.pm"};
2101		2447
2102	# don't, removes xs symbols, too,	2448	# don't, removes xs symbols, too,
2103	# and global variables created in xs	2449	# and global variables created in xs
2104	#Symbol::delete_package __PACKAGE__;	2450	#Symbol::delete_package __PACKAGE__;
2105		2451
2106	# reload cf.pm	2452	warn "unload completed, starting to reload now";
		2453
2107	warn "reloading cf.pm";	2454	warn "reloading cf.pm";
2108	require cf;	2455	require cf;
2109	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2456	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2110		2457
2111	# load config and database again	2458	warn "loading config and database again";
2112	cf::cfg_load;	2459	cf::cfg_load;
2113	cf::db_load;
2114		2460
2115	# load extensions
2116	warn "load extensions";	2461	warn "loading extensions";
2117	cf::load_extensions;	2462	cf::load_extensions;
2118		2463
2119	# reattach attachments to objects	2464	warn "reattaching attachments to objects/players";
2120	warn "reattach";
2121	_global_reattach;	2465	_global_reattach;
2122	};	2466	warn "reattaching attachments to maps";
		2467	reattach $_ for values %MAP;
2123		2468
2124	if ($@) {	2469	warn "loading reloadable resources";
		2470	load_resources;
		2471
		2472	warn "leaving sync_job";
		2473
		2474	1
		2475	} or do {
2125	warn $@;	2476	warn $@;
2126	warn "error while reloading, exiting.";	2477	warn "error while reloading, exiting.";
2127	exit 1;	2478	exit 1;
2128	}	2479	};
2129		2480
2130	warn "reloaded successfully";	2481	warn "reloaded";
2131	};	2482	};
2132		2483
2133	#############################################################################	2484	our $RELOAD_WATCHER; # used only during reload
2134
2135	unless ($LINK_MAP) {
2136	$LINK_MAP = cf::map::new;
2137
2138	$LINK_MAP->width (41);
2139	$LINK_MAP->height (41);
2140	$LINK_MAP->alloc;
2141	$LINK_MAP->path ("{link}");
2142	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2143	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2144
2145	# dirty hack because... archetypes are not yet loaded
2146	Event->timer (
2147	after => 2,
2148	cb => sub {
2149	$_[0]->w->cancel;
2150
2151	# provide some exits "home"
2152	my $exit = cf::object::new "exit";
2153
2154	$exit->slaying ($EMERGENCY_POSITION->[0]);
2155	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2156	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2157
2158	$LINK_MAP->insert ($exit->clone, 19, 19);
2159	$LINK_MAP->insert ($exit->clone, 19, 20);
2160	$LINK_MAP->insert ($exit->clone, 19, 21);
2161	$LINK_MAP->insert ($exit->clone, 20, 19);
2162	$LINK_MAP->insert ($exit->clone, 20, 21);
2163	$LINK_MAP->insert ($exit->clone, 21, 19);
2164	$LINK_MAP->insert ($exit->clone, 21, 20);
2165	$LINK_MAP->insert ($exit->clone, 21, 21);
2166
2167	$exit->destroy;
2168	});
2169
2170	$LINK_MAP->{deny_save} = 1;
2171	$LINK_MAP->{deny_reset} = 1;
2172
2173	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2174	}
2175
2176	register "<global>", __PACKAGE__;
2177		2485
2178	register_command "reload" => sub {	2486	register_command "reload" => sub {
2179	my ($who, $arg) = @_;	2487	my ($who, $arg) = @_;
2180		2488
2181	if ($who->flag (FLAG_WIZ)) {	2489	if ($who->flag (FLAG_WIZ)) {
2182	$who->message ("start of reload.");	2490	$who->message ("reloading server.");
		2491
		2492	# doing reload synchronously and two reloads happen back-to-back,
		2493	# coro crashes during coro_state_free->destroy here.
		2494
		2495	$RELOAD_WATCHER ||= Event->timer (
		2496	reentrant => 0,
		2497	after => 0,
		2498	data => WF_AUTOCANCEL,
		2499	cb => sub {
2183	reload;	2500	reload;
2184	$who->message ("end of reload.");	2501	undef $RELOAD_WATCHER;
		2502	},
		2503	);
2185	}	2504	}
2186	};	2505	};
2187		2506
2188	unshift @INC, $LIBDIR;	2507	unshift @INC, $LIBDIR;
		2508
		2509	my $bug_warning = 0;
2189		2510
2190	$TICK_WATCHER = Event->timer (	2511	$TICK_WATCHER = Event->timer (
2191	reentrant => 0,	2512	reentrant => 0,
		2513	parked => 1,
2192	prio => 0,	2514	prio => 0,
2193	at => $NEXT_TICK || $TICK,	2515	at => $NEXT_TICK || $TICK,
2194	data => WF_AUTOCANCEL,	2516	data => WF_AUTOCANCEL,
2195	cb => sub {	2517	cb => sub {
		2518	if ($Coro::current != $Coro::main) {
		2519	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2520	unless ++$bug_warning > 10;
		2521	return;
		2522	}
		2523
		2524	$NOW = Event::time;
		2525
2196	cf::server_tick; # one server iteration	2526	cf::server_tick; # one server iteration
2197	$RUNTIME += $TICK;	2527	$RUNTIME += $TICK;
2198	$NEXT_TICK += $TICK;	2528	$NEXT_TICK += $TICK;
		2529
		2530	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2531	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2532	Coro::async_pool {
		2533	write_runtime
		2534	or warn "ERROR: unable to write runtime file: $!";
		2535	};
		2536	}
		2537
		2538
		2539	$WAIT_FOR_TICK->broadcast;
		2540	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2541
		2542	# my $AFTER = Event::time;
		2543	# warn $AFTER - $NOW;#d#
2199		2544
2200	# if we are delayed by four ticks or more, skip them all	2545	# if we are delayed by four ticks or more, skip them all
2201	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2546	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2202		2547
2203	$TICK_WATCHER->at ($NEXT_TICK);	2548	$TICK_WATCHER->at ($NEXT_TICK);
2204	$TICK_WATCHER->start;	2549	$TICK_WATCHER->start;
2205	},	2550	},
2206	);	2551	);
2207		2552
		2553	{
2208	IO::AIO::max_poll_time $TICK * 0.2;	2554	BDB::max_poll_time $TICK * 0.1;
2209		2555	$BDB_POLL_WATCHER = Event->io (
2210	Event->io (	2556	reentrant => 0,
2211	fd => IO::AIO::poll_fileno,	2557	fd => BDB::poll_fileno,
2212	poll => 'r',	2558	poll => 'r',
2213	prio => 5,	2559	prio => 0,
2214	data => WF_AUTOCANCEL,
2215	cb => \&IO::AIO::poll_cb,
2216	);
2217
2218	Event->timer (
2219	data => WF_AUTOCANCEL,	2560	data => WF_AUTOCANCEL,
2220	after => 0,	2561	cb => \&BDB::poll_cb,
2221	interval => 10,	2562	);
2222	cb => sub {	2563	BDB::min_parallel 8;
2223	(Coro::unblock_sub {	2564
2224	write_runtime	2565	BDB::set_sync_prepare {
2225	or warn "ERROR: unable to write runtime file: $!";	2566	my $status;
		2567	my $current = $Coro::current;
		2568	(
		2569	sub {
		2570	$status = $!;
		2571	$current->ready; undef $current;
		2572	},
		2573	sub {
		2574	Coro::schedule while defined $current;
		2575	$! = $status;
		2576	},
		2577	)
		2578	};
		2579
		2580	unless ($DB_ENV) {
		2581	$DB_ENV = BDB::db_env_create;
		2582
		2583	cf::sync_job {
		2584	eval {
		2585	BDB::db_env_open
		2586	$DB_ENV,
		2587	$BDB_ENV_DIR,
		2588	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2589	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2590	0666;
		2591
		2592	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2593
		2594	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2595	$DB_ENV->set_lk_detect;
		2596	};
		2597
		2598	cf::cleanup "db_env_open(db): $@" if $@;
2226	})->();	2599	};
2227	},	2600	}
2228	);	2601	}
		2602
		2603	{
		2604	IO::AIO::min_parallel 8;
		2605
		2606	undef $Coro::AIO::WATCHER;
		2607	IO::AIO::max_poll_time $TICK * 0.1;
		2608	$AIO_POLL_WATCHER = Event->io (
		2609	reentrant => 0,
		2610	data => WF_AUTOCANCEL,
		2611	fd => IO::AIO::poll_fileno,
		2612	poll => 'r',
		2613	prio => 6,
		2614	cb => \&IO::AIO::poll_cb,
		2615	);
		2616	}
2229		2617
2230	END { cf::emergency_save }	2618	END { cf::emergency_save }
2231		2619
2232	1	2620	1
2233		2621

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