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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.122 by root, Tue Jan 2 17:32:24 2007 UTC vs.
Revision 1.222 by root, Tue Mar 6 03:06:00 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	}
		272
		273	sub freeze_mainloop {
		274	return unless $TICK_WATCHER->is_active;
		275
		276	my $guard = Coro::guard {
		277	$TICK_WATCHER->start;
		278	};
		279	$TICK_WATCHER->stop;
		280	$guard
		281	}
		282
		283	=item cf::async { BLOCK }
		284
		285	Currently the same as Coro::async_pool, meaning you cannot use
		286	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		287	thing you are allowed to do is call C<prio> on it.
		288
		289	=cut
		290
		291	BEGIN { *async = \&Coro::async_pool }
249		292
250	=item cf::sync_job { BLOCK }	293	=item cf::sync_job { BLOCK }
251		294
252	The design of crossfire+ requires that the main coro ($Coro::main) is	295	The design of crossfire+ requires that the main coro ($Coro::main) is
253	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
…		…
267	# this is the main coro, too bad, we have to block	310	# this is the main coro, too bad, we have to block
268	# till the operation succeeds, freezing the server :/	311	# till the operation succeeds, freezing the server :/
269		312
270	# TODO: use suspend/resume instead	313	# TODO: use suspend/resume instead
271	# (but this is cancel-safe)	314	# (but this is cancel-safe)
272	local $FREEZE = 1;	315	my $freeze_guard = freeze_mainloop;
273		316
274	my $busy = 1;	317	my $busy = 1;
275	my @res;	318	my @res;
276		319
277	(Coro::async {	320	(async {
278	@res = eval { $job->() };	321	@res = eval { $job->() };
279	warn $@ if $@;	322	warn $@ if $@;
280	undef $busy;	323	undef $busy;
281	})->prio (Coro::PRIO_MAX);	324	})->prio (Coro::PRIO_MAX);
282		325
283	while ($busy) {	326	while ($busy) {
284	Coro::cede_notself;	327	Coro::cede or Event::one_event;
285	Event::one_event unless Coro::nready;
286	}	328	}
287		329
288	wantarray ? @res : $res[0]	330	wantarray ? @res : $res[0]
289	} else {	331	} else {
290	# we are in another coroutine, how wonderful, everything just works	332	# we are in another coroutine, how wonderful, everything just works
291		333
292	$job->()	334	$job->()
293	}	335	}
294	}	336	}
295		337
296	=item $coro = cf::coro { BLOCK }	338	=item $coro = cf::async_ext { BLOCK }
297		339
298	Creates and returns a new coro. This coro is automcatially being canceled	340	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	341	extension calling this is being unloaded.
300		342
301	=cut	343	=cut
302		344
303	sub coro(&) {	345	sub async_ext(&) {
304	my $cb = shift;	346	my $cb = shift;
305		347
306	my $coro; $coro = async {	348	my $coro = &Coro::async ($cb);
307	eval {
308	$cb->();
309	};
310	warn $@ if $@;
311	};
312		349
313	$coro->on_destroy (sub {	350	$coro->on_destroy (sub {
314	delete $EXT_CORO{$coro+0};	351	delete $EXT_CORO{$coro+0};
315	});	352	});
316	$EXT_CORO{$coro+0} = $coro;	353	$EXT_CORO{$coro+0} = $coro;
317		354
318	$coro	355	$coro
319	}	356	}
320		357
321	sub write_runtime {	358	sub write_runtime {
		359	my $guard = cf::lock_acquire "write_runtime";
		360
322	my $runtime = cf::localdir . "/runtime";	361	my $runtime = cf::localdir . "/runtime";
323		362
324	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
325	or return;	364	or return;
326		365
		366	my $value = $cf::RUNTIME + 90 + 10;
327	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	367	# 10 is the runtime save interval, for a monotonic clock
		368	# 60 allows for the watchdog to kill the server.
		369
328	(aio_write $fh, 0, (length $value), $value, 0) <= 0	370	(aio_write $fh, 0, (length $value), $value, 0) <= 0
329	and return;	371	and return;
330		372
		373	# always fsync - this file is important
331	aio_fsync $fh	374	aio_fsync $fh
332	and return;	375	and return;
333		376
334	close $fh	377	close $fh
335	or return;	378	or return;
…		…
341	}	384	}
342		385
343	=back	386	=back
344		387
345	=cut	388	=cut
346
347	#############################################################################
348
349	package cf::path;
350
351	sub new {
352	my ($class, $path, $base) = @_;
353
354	$path = $path->as_string if ref $path;
355
356	my $self = bless { }, $class;
357
358	# {... are special paths that are not touched
359	# ?xxx/... are special absolute paths
360	# ?random/... random maps
361	# /! non-realised random map exit
362	# /... normal maps
363	# ~/... per-player maps without a specific player (DO NOT USE)
364	# ~user/... per-player map of a specific user
365
366	if ($path =~ /^{/) {
367	# fine as it is
368	} elsif ($path =~ s{^\?random/}{}) {
369	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
370	$self->{random} = cf::from_json $data;
371	} else {
372	if ($path =~ s{^~([^/]+)?}{}) {
373	$self->{user_rel} = 1;
374
375	if (defined $1) {
376	$self->{user} = $1;
377	} elsif ($base =~ m{^~([^/]+)/}) {
378	$self->{user} = $1;
379	} else {
380	warn "cannot resolve user-relative path without user <$path,$base>\n";
381	}
382	} elsif ($path =~ /^\//) {
383	# already absolute
384	} else {
385	$base =~ s{[^/]+/?$}{};
386	return $class->new ("$base/$path");
387	}
388
389	for ($path) {
390	redo if s{/\.?/}{/};
391	redo if s{/[^/]+/\.\./}{/};
392	}
393	}
394
395	$self->{path} = $path;
396
397	$self
398	}
399
400	# the name / primary key / in-game path
401	sub as_string {
402	my ($self) = @_;
403
404	$self->{user_rel} ? "~$self->{user}$self->{path}"
405	: $self->{random} ? "?random/$self->{path}"
406	: $self->{path}
407	}
408
409	# the displayed name, this is a one way mapping
410	sub visible_name {
411	my ($self) = @_;
412
413	# if (my $rmp = $self->{random}) {
414	# # todo: be more intelligent about this
415	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
416	# } else {
417	$self->as_string
418	# }
419	}
420
421	# escape the /'s in the path
422	sub _escaped_path {
423	# ∕ is U+2215
424	(my $path = $_[0]{path}) =~ s/\//∕/g;
425	$path
426	}
427
428	# the original (read-only) location
429	sub load_path {
430	my ($self) = @_;
431
432	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
433	}
434
435	# the temporary/swap location
436	sub save_path {
437	my ($self) = @_;
438
439	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
440	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
441	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
442	}
443
444	# the unique path, might be eq to save_path
445	sub uniq_path {
446	my ($self) = @_;
447
448	$self->{user_rel} || $self->{random}
449	? undef
450	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
451	}
452
453	# return random map parameters, or undef
454	sub random_map_params {
455	my ($self) = @_;
456
457	$self->{random}
458	}
459
460	# this is somewhat ugly, but style maps do need special treatment
461	sub is_style_map {
462	$_[0]{path} =~ m{^/styles/}
463	}
464
465	package cf;
466		389
467	#############################################################################	390	#############################################################################
468		391
469	=head2 ATTACHABLE OBJECTS	392	=head2 ATTACHABLE OBJECTS
470		393
…		…
596	our @CB_TYPE = (); # registry for type (cf-object class) based events	519	our @CB_TYPE = (); # registry for type (cf-object class) based events
597	our @CB_MAP = ();	520	our @CB_MAP = ();
598		521
599	my %attachment;	522	my %attachment;
600		523
		524	sub cf::attachable::thawer_merge {
		525	# simply override everything except _meta
		526	local $_[0]{_meta};
		527	%{$_[0]} = %{$_[1]};
		528	}
		529
601	sub _attach_cb($$$$) {	530	sub _attach_cb($$$$) {
602	my ($registry, $event, $prio, $cb) = @_;	531	my ($registry, $event, $prio, $cb) = @_;
603		532
604	use sort 'stable';	533	use sort 'stable';
605		534
…		…
776	# object support	705	# object support
777		706
778	sub reattach {	707	sub reattach {
779	# basically do the same as instantiate, without calling instantiate	708	# basically do the same as instantiate, without calling instantiate
780	my ($obj) = @_;	709	my ($obj) = @_;
		710
		711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
781		712
782	my $registry = $obj->registry;	713	my $registry = $obj->registry;
783		714
784	@$registry = ();	715	@$registry = ();
785		716
…		…
832	$filename, length $$rdata, scalar @$objs;	763	$filename, length $$rdata, scalar @$objs;
833		764
834	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
835	chmod SAVE_MODE, $fh;	766	chmod SAVE_MODE, $fh;
836	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
837	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
838	close $fh;	769	close $fh;
839		770
840	if (@$objs) {	771	if (@$objs) {
841	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
842	chmod SAVE_MODE, $fh;	773	chmod SAVE_MODE, $fh;
843	my $data = Storable::nfreeze { version => 1, objs => $objs };	774	my $data = Storable::nfreeze { version => 1, objs => $objs };
844	aio_write $fh, 0, (length $data), $data, 0;	775	aio_write $fh, 0, (length $data), $data, 0;
845	aio_fsync $fh;	776	aio_fsync $fh if $cf::USE_FSYNC;
846	close $fh;	777	close $fh;
847	aio_rename "$filename.pst~", "$filename.pst";	778	aio_rename "$filename.pst~", "$filename.pst";
848	}	779	}
849	} else {	780	} else {
850	aio_unlink "$filename.pst";	781	aio_unlink "$filename.pst";
…		…
917	=cut	848	=cut
918		849
919	sub register_extcmd {	850	sub register_extcmd {
920	my ($name, $cb) = @_;	851	my ($name, $cb) = @_;
921		852
922	my $caller = caller;
923	#warn "registering extcmd '$name' to '$caller'";
924
925	$EXTCMD{$name} = [$cb, $caller];	853	$EXTCMD{$name} = $cb;
926	}	854	}
927		855
928	cf::player->attach (	856	cf::player->attach (
929	on_command => sub {	857	on_command => sub {
930	my ($pl, $name, $params) = @_;	858	my ($pl, $name, $params) = @_;
…		…
943		871
944	my $msg = eval { from_json $buf };	872	my $msg = eval { from_json $buf };
945		873
946	if (ref $msg) {	874	if (ref $msg) {
947	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
948	if (my %reply = $cb->[0]->($pl, $msg)) {	876	if (my %reply = $cb->($pl, $msg)) {
949	$pl->ext_reply ($msg->{msgid}, %reply);	877	$pl->ext_reply ($msg->{msgid}, %reply);
950	}	878	}
951	}	879	}
952	} else {	880	} else {
953	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
955		883
956	cf::override;	884	cf::override;
957	},	885	},
958	);	886	);
959		887
960	sub register {
961	my ($base, $pkg) = @_;
962
963	#TODO
964	}
965
966	sub load_extension {	888	sub load_extension {
967	my ($path) = @_;	889	my ($path) = @_;
968		890
969	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
970	my $base = $1;	892	my $base = $1;
971	my $pkg = $1;	893	my $pkg = $1;
972	$pkg =~ s/[^[:word:]]/_/g;	894	$pkg =~ s/[^[:word:]]/_/g;
973	$pkg = "ext::$pkg";	895	$pkg = "ext::$pkg";
974		896
975	warn "loading '$path' into '$pkg'\n";	897	warn "... loading '$path' into '$pkg'\n";
976		898
977	open my $fh, "<:utf8", $path	899	open my $fh, "<:utf8", $path
978	or die "$path: $!";	900	or die "$path: $!";
979		901
980	my $source =	902	my $source =
981	"package $pkg; use strict; use utf8;\n"	903	"package $pkg; use strict; use utf8;\n"
982	. "#line 1 \"$path\"\n{\n"	904	. "#line 1 \"$path\"\n{\n"
983	. (do { local $/; <$fh> })	905	. (do { local $/; <$fh> })
984	. "\n};\n1";	906	. "\n};\n1";
985		907
986	eval $source	908	unless (eval $source) {
987	or die $@ ? "$path: $@\n"	909	my $msg = $@ ? "$path: $@\n"
988	: "extension disabled.\n";	910	: "extension disabled.\n";
989		911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
990	push @exts, $pkg;	912	warn $@;
991	$ext_pkg{$base} = $pkg;	913	warn "mandatory extension failed to load, exiting.\n";
992		914	exit 1;
993	# no strict 'refs';	915	}
994	# @{"$pkg\::ISA"} = ext::;	916	die $@;
995
996	register $base, $pkg;
997	}
998
999	sub unload_extension {
1000	my ($pkg) = @_;
1001
1002	warn "removing extension $pkg\n";
1003
1004	# remove hooks
1005	#TODO
1006	# for my $idx (0 .. $#PLUGIN_EVENT) {
1007	# delete $hook[$idx]{$pkg};
1008	# }	917	}
1009		918
1010	# remove commands	919	push @EXTS, $pkg;
1011	for my $name (keys %COMMAND) {
1012	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1013
1014	if (@cb) {
1015	$COMMAND{$name} = \@cb;
1016	} else {
1017	delete $COMMAND{$name};
1018	}
1019	}
1020
1021	# remove extcmds
1022	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1023	delete $EXTCMD{$name};
1024	}
1025
1026	if (my $cb = $pkg->can ("unload")) {
1027	eval {
1028	$cb->($pkg);
1029	1
1030	} or warn "$pkg unloaded, but with errors: $@";
1031	}
1032
1033	Symbol::delete_package $pkg;
1034	}	920	}
1035		921
1036	sub load_extensions {	922	sub load_extensions {
1037	for my $ext (<$LIBDIR/*.ext>) {	923	for my $ext (<$LIBDIR/*.ext>) {
1038	next unless -r $ext;	924	next unless -r $ext;
…		…
1042	} or warn "$ext not loaded: $@";	928	} or warn "$ext not loaded: $@";
1043	}	929	}
1044	}	930	}
1045		931
1046	#############################################################################	932	#############################################################################
1047	# load/save/clean perl data associated with a map
1048
1049	*cf::mapsupport::on_clean = sub {
1050	my ($map) = @_;
1051
1052	my $path = $map->tmpname;
1053	defined $path or return;
1054
1055	unlink "$path.pst";
1056	};
1057
1058	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1059
1060	#############################################################################
1061	# load/save perl data associated with player->ob objects
1062
1063	sub all_objects(@) {
1064	@_, map all_objects ($_->inv), @_
1065	}
1066
1067	# TODO: compatibility cruft, remove when no longer needed
1068	cf::player->attach (
1069	on_load => sub {
1070	my ($pl, $path) = @_;
1071
1072	for my $o (all_objects $pl->ob) {
1073	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1074	$o->set_ob_key_value ("_perl_data");
1075
1076	%$o = %{ Storable::thaw pack "H*", $value };
1077	}
1078	}
1079	},
1080	);
1081
1082	#############################################################################
1083		933
1084	=head2 CORE EXTENSIONS	934	=head2 CORE EXTENSIONS
1085		935
1086	Functions and methods that extend core crossfire objects.	936	Functions and methods that extend core crossfire objects.
1087		937
		938	=cut
		939
		940	package cf::player;
		941
		942	use Coro::AIO;
		943
1088	=head3 cf::player	944	=head3 cf::player
1089		945
1090	=over 4	946	=over 4
1091		947
1092	=item cf::player::exists $login	948	=item cf::player::find $login
1093		949
1094	Returns true when the given account exists.	950	Returns the given player object, loading it if necessary (might block).
1095		951
1096	=cut	952	=cut
1097		953
1098	sub cf::player::exists($) {	954	sub playerdir($) {
1099	cf::player::find $_[0]	955	cf::localdir
1100	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	956	. "/"
		957	. cf::playerdir
		958	. "/"
		959	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		960	}
		961
		962	sub path($) {
		963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		964
		965	(playerdir $login) . "/$login.pl"
		966	}
		967
		968	sub find_active($) {
		969	$cf::PLAYER{$_[0]}
		970	and $cf::PLAYER{$_[0]}->active
		971	and $cf::PLAYER{$_[0]}
		972	}
		973
		974	sub exists($) {
		975	my ($login) = @_;
		976
		977	$cf::PLAYER{$login}
		978	or cf::sync_job { !aio_stat path $login }
		979	}
		980
		981	sub find($) {
		982	return $cf::PLAYER{$_[0]} || do {
		983	my $login = $_[0];
		984
		985	my $guard = cf::lock_acquire "user_find:$login";
		986
		987	$cf::PLAYER{$_[0]} || do {
		988	my $pl = load_pl path $login
		989	or return;
		990	$cf::PLAYER{$login} = $pl
		991	}
		992	}
		993	}
		994
		995	sub save($) {
		996	my ($pl) = @_;
		997
		998	return if $pl->{deny_save};
		999
		1000	my $path = path $pl;
		1001	my $guard = cf::lock_acquire "user_save:$path";
		1002
		1003	return if $pl->{deny_save};
		1004
		1005	aio_mkdir playerdir $pl, 0770;
		1006	$pl->{last_save} = $cf::RUNTIME;
		1007
		1008	$pl->save_pl ($path);
		1009	Coro::cede;
		1010	}
		1011
		1012	sub new($) {
		1013	my ($login) = @_;
		1014
		1015	my $self = create;
		1016
		1017	$self->ob->name ($login);
		1018	$self->{deny_save} = 1;
		1019
		1020	$cf::PLAYER{$login} = $self;
		1021
		1022	$self
		1023	}
		1024
		1025	=item $pl->quit_character
		1026
		1027	Nukes the player without looking back. If logged in, the connection will
		1028	be destroyed. May block for a long time.
		1029
		1030	=cut
		1031
		1032	sub quit_character {
		1033	my ($pl) = @_;
		1034
		1035	my $name = $pl->ob->name;
		1036
		1037	$pl->{deny_save} = 1;
		1038	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1039
		1040	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1041	$pl->deactivate;
		1042	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1043	$pl->ns->destroy if $pl->ns;
		1044
		1045	my $path = playerdir $pl;
		1046	my $temp = "$path~$cf::RUNTIME~deleting~";
		1047	aio_rename $path, $temp;
		1048	delete $cf::PLAYER{$pl->ob->name};
		1049	$pl->destroy;
		1050
		1051	my $prefix = qr<^~\Q$name\E/>;
		1052
		1053	# nuke player maps
		1054	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1055
		1056	IO::AIO::aio_rmtree $temp;
		1057	}
		1058
		1059	=item $pl->kick
		1060
		1061	Kicks a player out of the game. This destroys the connection.
		1062
		1063	=cut
		1064
		1065	sub kick {
		1066	my ($pl, $kicker) = @_;
		1067
		1068	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1069	$pl->killer ("kicked");
		1070	$pl->ns->destroy;
		1071	}
		1072
		1073	=item cf::player::list_logins
		1074
		1075	Returns am arrayref of all valid playernames in the system, can take a
		1076	while and may block, so not sync_job-capable, ever.
		1077
		1078	=cut
		1079
		1080	sub list_logins {
		1081	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1082	or return [];
		1083
		1084	my @logins;
		1085
		1086	for my $login (@$dirs) {
		1087	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1088	aio_read $fh, 0, 512, my $buf, 0 or next;
		1089	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1090
		1091	utf8::decode $login;
		1092	push @logins, $login;
		1093	}
		1094
		1095	\@logins
		1096	}
		1097
		1098	=item $player->maps
		1099
		1100	Returns an arrayref of map paths that are private for this
		1101	player. May block.
		1102
		1103	=cut
		1104
		1105	sub maps($) {
		1106	my ($pl) = @_;
		1107
		1108	$pl = ref $pl ? $pl->ob->name : $pl;
		1109
		1110	my $files = aio_readdir playerdir $pl
		1111	or return;
		1112
		1113	my @paths;
		1114
		1115	for (@$files) {
		1116	utf8::decode $_;
		1117	next if /\.(?:pl|pst)$/;
		1118	next unless /^$PATH_SEP/o;
		1119
		1120	push @paths, cf::map::normalise "~$pl/$_";
		1121	}
		1122
		1123	\@paths
1101	}	1124	}
1102		1125
1103	=item $player->ext_reply ($msgid, $msgtype, %msg)	1126	=item $player->ext_reply ($msgid, $msgtype, %msg)
1104		1127
1105	Sends an ext reply to the player.	1128	Sends an ext reply to the player.
1106		1129
1107	=cut	1130	=cut
1108		1131
1109	sub cf::player::ext_reply($$$%) {	1132	sub ext_reply($$$%) {
1110	my ($self, $id, %msg) = @_;	1133	my ($self, $id, %msg) = @_;
1111		1134
1112	$msg{msgid} = $id;	1135	$msg{msgid} = $id;
1113		1136
1114	$self->send ("ext " . to_json \%msg);	1137	$self->send ("ext " . cf::to_json \%msg);
1115	}	1138	}
		1139
		1140	package cf;
1116		1141
1117	=back	1142	=back
1118		1143
1119		1144
1120	=head3 cf::map	1145	=head3 cf::map
…		…
1126	package cf::map;	1151	package cf::map;
1127		1152
1128	use Fcntl;	1153	use Fcntl;
1129	use Coro::AIO;	1154	use Coro::AIO;
1130		1155
		1156	use overload
		1157	'""' => \&as_string,
		1158	fallback => 1;
		1159
1131	our $MAX_RESET = 7200;	1160	our $MAX_RESET = 3600;
1132	our $DEFAULT_RESET = 3600;	1161	our $DEFAULT_RESET = 3000;
1133		1162
1134	sub generate_random_map {	1163	sub generate_random_map {
1135	my ($path, $rmp) = @_;	1164	my ($self, $rmp) = @_;
1136
1137	# mit "rum" bekleckern, nicht	1165	# mit "rum" bekleckern, nicht
1138	cf::map::_create_random_map	1166	$self->_create_random_map (
1139	$path,
1140	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1167	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1141	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1168	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1142	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1169	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1143	$rmp->{exit_on_final_map},	1170	$rmp->{exit_on_final_map},
1144	$rmp->{xsize}, $rmp->{ysize},	1171	$rmp->{xsize}, $rmp->{ysize},
1145	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1172	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1146	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1173	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1147	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1174	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1148	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1175	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1149	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1176	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1150	(cf::region::find $rmp->{region})	1177	(cf::region::find $rmp->{region}), $rmp->{custom}
		1178	)
		1179	}
		1180
		1181	=item cf::map->register ($regex, $prio)
		1182
		1183	Register a handler for the map path matching the given regex at the
		1184	givne priority (higher is better, built-in handlers have priority 0, the
		1185	default).
		1186
		1187	=cut
		1188
		1189	sub register {
		1190	my (undef, $regex, $prio) = @_;
		1191	my $pkg = caller;
		1192
		1193	no strict;
		1194	push @{"$pkg\::ISA"}, __PACKAGE__;
		1195
		1196	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1197	}
		1198
		1199	# also paths starting with '/'
		1200	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1201
		1202	sub thawer_merge {
		1203	my ($self, $merge) = @_;
		1204
		1205	# we have to keep some variables in memory intact
		1206	local $self->{path};
		1207	local $self->{load_path};
		1208	local $self->{deny_save};
		1209	local $self->{deny_reset};
		1210
		1211	$self->SUPER::thawer_merge ($merge);
		1212	}
		1213
		1214	sub normalise {
		1215	my ($path, $base) = @_;
		1216
		1217	$path = "$path"; # make sure its a string
		1218
		1219	$path =~ s/\.map$//;
		1220
		1221	# map plan:
		1222	#
		1223	# /! non-realised random map exit (special hack!)
		1224	# {... are special paths that are not being touched
		1225	# ?xxx/... are special absolute paths
		1226	# ?random/... random maps
		1227	# /... normal maps
		1228	# ~user/... per-player map of a specific user
		1229
		1230	$path =~ s/$PATH_SEP/\//go;
		1231
		1232	# treat it as relative path if it starts with
		1233	# something that looks reasonable
		1234	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1235	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1236
		1237	$base =~ s{[^/]+/?$}{};
		1238	$path = "$base/$path";
		1239	}
		1240
		1241	for ($path) {
		1242	redo if s{//}{/};
		1243	redo if s{/\.?/}{/};
		1244	redo if s{/[^/]+/\.\./}{/};
		1245	}
		1246
		1247	$path
		1248	}
		1249
		1250	sub new_from_path {
		1251	my (undef, $path, $base) = @_;
		1252
		1253	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1254
		1255	$path = normalise $path, $base;
		1256
		1257	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1258	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1259	my $self = bless cf::map::new, $pkg;
		1260	$self->{path} = $path; $self->path ($path);
		1261	$self->init; # pass $1 etc.
		1262	return $self;
		1263	}
		1264	}
		1265
		1266	Carp::carp "unable to resolve path '$path' (base '$base').";
		1267	()
		1268	}
		1269
		1270	sub init {
		1271	my ($self) = @_;
		1272
		1273	$self
		1274	}
		1275
		1276	sub as_string {
		1277	my ($self) = @_;
		1278
		1279	"$self->{path}"
		1280	}
		1281
		1282	# the displayed name, this is a one way mapping
		1283	sub visible_name {
		1284	&as_string
		1285	}
		1286
		1287	# the original (read-only) location
		1288	sub load_path {
		1289	my ($self) = @_;
		1290
		1291	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1292	}
		1293
		1294	# the temporary/swap location
		1295	sub save_path {
		1296	my ($self) = @_;
		1297
		1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1299	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1300	}
		1301
		1302	# the unique path, undef == no special unique path
		1303	sub uniq_path {
		1304	my ($self) = @_;
		1305
		1306	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1307	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1151	}	1308	}
1152		1309
1153	# and all this just because we cannot iterate over	1310	# and all this just because we cannot iterate over
1154	# all maps in C++...	1311	# all maps in C++...
1155	sub change_all_map_light {	1312	sub change_all_map_light {
…		…
1157		1314
1158	$_->change_map_light ($change)	1315	$_->change_map_light ($change)
1159	for grep $_->outdoor, values %cf::MAP;	1316	for grep $_->outdoor, values %cf::MAP;
1160	}	1317	}
1161		1318
		1319	sub unlink_save {
		1320	my ($self) = @_;
		1321
		1322	utf8::encode (my $save = $self->save_path);
		1323	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1324	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1325	}
		1326
1162	sub try_load_header($) {	1327	sub load_header_from($) {
1163	my ($path) = @_;	1328	my ($self, $path) = @_;
1164		1329
1165	utf8::encode $path;	1330	utf8::encode $path;
1166	aio_open $path, O_RDONLY, 0	1331	#aio_open $path, O_RDONLY, 0
		1332	# or return;
		1333
		1334	$self->_load_header ($path)
1167	or return;	1335	or return;
1168		1336
1169	my $map = cf::map::new	1337	$self->{load_path} = $path;
		1338
		1339	1
		1340	}
		1341
		1342	sub load_header_orig {
		1343	my ($self) = @_;
		1344
		1345	$self->load_header_from ($self->load_path)
		1346	}
		1347
		1348	sub load_header_temp {
		1349	my ($self) = @_;
		1350
		1351	$self->load_header_from ($self->save_path)
		1352	}
		1353
		1354	sub prepare_temp {
		1355	my ($self) = @_;
		1356
		1357	$self->last_access ((delete $self->{last_access})
		1358	|| $cf::RUNTIME); #d#
		1359	# safety
		1360	$self->{instantiate_time} = $cf::RUNTIME
		1361	if $self->{instantiate_time} > $cf::RUNTIME;
		1362	}
		1363
		1364	sub prepare_orig {
		1365	my ($self) = @_;
		1366
		1367	$self->{load_original} = 1;
		1368	$self->{instantiate_time} = $cf::RUNTIME;
		1369	$self->last_access ($cf::RUNTIME);
		1370	$self->instantiate;
		1371	}
		1372
		1373	sub load_header {
		1374	my ($self) = @_;
		1375
		1376	if ($self->load_header_temp) {
		1377	$self->prepare_temp;
		1378	} else {
		1379	$self->load_header_orig
1170	or return;	1380	or return;
		1381	$self->prepare_orig;
		1382	}
1171		1383
1172	$map->load_header ($path)	1384	1
1173	or return;
1174
1175	$map->{load_path} = $path;
1176
1177	$map
1178	}	1385	}
1179		1386
		1387	sub find;
1180	sub find_map {	1388	sub find {
1181	my ($path, $origin) = @_;	1389	my ($path, $origin) = @_;
1182		1390
1183	#warn "find_map<$path,$origin>\n";#d#
1184
1185	$path = new cf::path $path, $origin && $origin->path;	1391	$path = normalise $path, $origin && $origin->path;
1186	my $key = $path->as_string;
1187		1392
1188	cf::lock_wait "map_find:$key";	1393	cf::lock_wait "map_find:$path";
1189		1394
1190	$cf::MAP{$key} || do {	1395	$cf::MAP{$path} || do {
1191	my $guard = cf::lock_acquire "map_find:$key";	1396	my $guard = cf::lock_acquire "map_find:$path";
1192		1397	my $map = new_from_path cf::map $path
1193	# do it the slow way
1194	my $map = try_load_header $path->save_path;
1195
1196	if ($map) {
1197	# safety
1198	$map->{instantiate_time} = $cf::RUNTIME
1199	if $map->{instantiate_time} > $cf::RUNTIME;
1200	} else {
1201	if (my $rmp = $path->random_map_params) {
1202	$map = generate_random_map $key, $rmp;
1203	} else {
1204	$map = try_load_header $path->load_path;
1205	}
1206
1207	$map or return;	1398	or return;
1208		1399
1209	$map->{load_original} = 1;
1210	$map->{instantiate_time} = $cf::RUNTIME;
1211	$map->instantiate;
1212
1213	# per-player maps become, after loading, normal maps
1214	$map->per_player (0) if $path->{user_rel};
1215	}
1216
1217	$map->path ($key);
1218	$map->{path} = $path;
1219	$map->{last_save} = $cf::RUNTIME;	1400	$map->{last_save} = $cf::RUNTIME;
1220	$map->last_access ($cf::RUNTIME);
1221		1401
1222	if ($map->should_reset) {	1402	$map->load_header
		1403	or return;
		1404
		1405	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1406	# doing this can freeze the server in a sync job, obviously
		1407	#$cf::WAIT_FOR_TICK->wait;
1223	$map->reset;	1408	$map->reset;
1224	$map = find_map $path;	1409	undef $guard;
		1410	return find $path;
1225	}	1411	}
1226		1412
1227	$cf::MAP{$key} = $map	1413	$cf::MAP{$path} = $map
1228	}	1414	}
1229	}	1415	}
		1416
		1417	sub pre_load { }
		1418	sub post_load { }
1230		1419
1231	sub load {	1420	sub load {
1232	my ($self) = @_;	1421	my ($self) = @_;
1233		1422
		1423	local $self->{deny_reset} = 1; # loading can take a long time
		1424
1234	my $path = $self->{path};	1425	my $path = $self->{path};
1235	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1426	my $guard = cf::lock_acquire "map_load:$path";
1236		1427
1237	return if $self->in_memory != cf::MAP_SWAPPED;	1428	return if $self->in_memory != cf::MAP_SWAPPED;
1238		1429
1239	$self->in_memory (cf::MAP_LOADING);	1430	$self->in_memory (cf::MAP_LOADING);
1240		1431
1241	$self->alloc;	1432	$self->alloc;
		1433
		1434	$self->pre_load;
		1435
1242	$self->load_objects ($self->{load_path}, 1)	1436	$self->_load_objects ($self->{load_path}, 1)
1243	or return;	1437	or return;
1244		1438
1245	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1439	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1246	if delete $self->{load_original};	1440	if delete $self->{load_original};
1247		1441
1248	if (my $uniq = $path->uniq_path) {	1442	if (my $uniq = $self->uniq_path) {
1249	utf8::encode $uniq;	1443	utf8::encode $uniq;
1250	if (aio_open $uniq, O_RDONLY, 0) {	1444	if (aio_open $uniq, O_RDONLY, 0) {
1251	$self->clear_unique_items;	1445	$self->clear_unique_items;
1252	$self->load_objects ($uniq, 0);	1446	$self->_load_objects ($uniq, 0);
1253	}	1447	}
1254	}	1448	}
		1449
		1450	Coro::cede;
1255		1451
1256	# now do the right thing for maps	1452	# now do the right thing for maps
1257	$self->link_multipart_objects;	1453	$self->link_multipart_objects;
1258		1454
1259	if ($self->{path}->is_style_map) {	1455	unless ($self->{deny_activate}) {
1260	$self->{deny_save} = 1;	1456	$self->decay_objects;
1261	$self->{deny_reset} = 1;
1262	} else {
1263	$self->fix_auto_apply;	1457	$self->fix_auto_apply;
1264	$self->decay_objects;
1265	$self->update_buttons;	1458	$self->update_buttons;
		1459	Coro::cede;
1266	$self->set_darkness_map;	1460	$self->set_darkness_map;
1267	$self->difficulty ($self->estimate_difficulty)	1461	$self->difficulty ($self->estimate_difficulty)
1268	unless $self->difficulty;	1462	unless $self->difficulty;
		1463	Coro::cede;
1269	$self->activate;	1464	$self->activate;
1270	}	1465	}
1271		1466
		1467	$self->post_load;
		1468
1272	$self->in_memory (cf::MAP_IN_MEMORY);	1469	$self->in_memory (cf::MAP_IN_MEMORY);
1273	}	1470	}
1274		1471
1275	sub load_map_sync {	1472	sub customise_for {
		1473	my ($self, $ob) = @_;
		1474
		1475	return find "~" . $ob->name . "/" . $self->{path}
		1476	if $self->per_player;
		1477
		1478	$self
		1479	}
		1480
		1481	# find and load all maps in the 3x3 area around a map
		1482	sub load_diag {
		1483	my ($map) = @_;
		1484
		1485	my @diag; # diagonal neighbours
		1486
		1487	for (0 .. 3) {
		1488	my $neigh = $map->tile_path ($_)
		1489	or next;
		1490	$neigh = find $neigh, $map
		1491	or next;
		1492	$neigh->load;
		1493
		1494	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1495	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1496	}
		1497
		1498	for (@diag) {
		1499	my $neigh = find @$_
		1500	or next;
		1501	$neigh->load;
		1502	}
		1503	}
		1504
		1505	sub find_sync {
1276	my ($path, $origin) = @_;	1506	my ($path, $origin) = @_;
1277		1507
1278	#warn "load_map_sync<$path, $origin>\n";#d#	1508	cf::sync_job { find $path, $origin }
		1509	}
1279		1510
1280	cf::sync_job {	1511	sub do_load_sync {
1281	my $map = cf::map::find_map $path, $origin	1512	my ($map) = @_;
1282	or return;	1513
		1514	cf::sync_job { $map->load };
		1515	}
		1516
		1517	our %MAP_PREFETCH;
		1518	our $MAP_PREFETCHER = undef;
		1519
		1520	sub find_async {
		1521	my ($path, $origin) = @_;
		1522
		1523	$path = normalise $path, $origin && $origin->{path};
		1524
		1525	if (my $map = $cf::MAP{$path}) {
		1526	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1527	}
		1528
		1529	undef $MAP_PREFETCH{$path};
		1530	$MAP_PREFETCHER ||= cf::async {
		1531	while (%MAP_PREFETCH) {
		1532	for my $path (keys %MAP_PREFETCH) {
		1533	my $map = find $path
		1534	or next;
1283	$map->load;	1535	$map->load;
1284	$map	1536
		1537	delete $MAP_PREFETCH{$path};
		1538	}
		1539	}
		1540	undef $MAP_PREFETCHER;
1285	}	1541	};
		1542	$MAP_PREFETCHER->prio (6);
		1543
		1544	()
1286	}	1545	}
1287		1546
1288	sub save {	1547	sub save {
1289	my ($self) = @_;	1548	my ($self) = @_;
1290		1549
		1550	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1551
1291	$self->{last_save} = $cf::RUNTIME;	1552	$self->{last_save} = $cf::RUNTIME;
1292		1553
1293	return unless $self->dirty;	1554	return unless $self->dirty;
1294		1555
1295	my $save = $self->{path}->save_path; utf8::encode $save;	1556	my $save = $self->save_path; utf8::encode $save;
1296	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1557	my $uniq = $self->uniq_path; utf8::encode $uniq;
1297		1558
1298	$self->{load_path} = $save;	1559	$self->{load_path} = $save;
1299		1560
1300	return if $self->{deny_save};	1561	return if $self->{deny_save};
1301		1562
		1563	local $self->{last_access} = $self->last_access;#d#
		1564
		1565	cf::async {
		1566	$_->contr->save for $self->players;
		1567	};
		1568
1302	if ($uniq) {	1569	if ($uniq) {
1303	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1570	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1304	$self->save_objects ($uniq, cf::IO_UNIQUES);	1571	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1305	} else {	1572	} else {
1306	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1307	}	1574	}
1308	}	1575	}
1309		1576
1310	sub swap_out {	1577	sub swap_out {
1311	my ($self) = @_;	1578	my ($self) = @_;
		1579
		1580	# save first because save cedes
		1581	$self->save;
		1582
		1583	my $lock = cf::lock_acquire "map_data:" . $self->path;
1312		1584
1313	return if $self->players;	1585	return if $self->players;
1314	return if $self->in_memory != cf::MAP_IN_MEMORY;	1586	return if $self->in_memory != cf::MAP_IN_MEMORY;
1315	return if $self->{deny_save};	1587	return if $self->{deny_save};
1316		1588
1317	$self->save;
1318	$self->clear;	1589	$self->clear;
1319	$self->in_memory (cf::MAP_SWAPPED);	1590	$self->in_memory (cf::MAP_SWAPPED);
1320	}	1591	}
1321		1592
1322	sub reset_at {	1593	sub reset_at {
1323	my ($self) = @_;	1594	my ($self) = @_;
1324		1595
1325	# TODO: safety, remove and allow resettable per-player maps	1596	# TODO: safety, remove and allow resettable per-player maps
1326	return 1e99 if $self->{path}{user_rel};	1597	return 1e99 if $self->isa ("ext::map_per_player");#d#
1327	return 1e99 if $self->{deny_reset};	1598	return 1e99 if $self->{deny_reset};
1328		1599
1329	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1600	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1330	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1601	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1331		1602
…		…
1336	my ($self) = @_;	1607	my ($self) = @_;
1337		1608
1338	$self->reset_at <= $cf::RUNTIME	1609	$self->reset_at <= $cf::RUNTIME
1339	}	1610	}
1340		1611
1341	sub unlink_save {
1342	my ($self) = @_;
1343
1344	utf8::encode (my $save = $self->{path}->save_path);
1345	aioreq_pri 3; IO::AIO::aio_unlink $save;
1346	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1347	}
1348
1349	sub rename {
1350	my ($self, $new_path) = @_;
1351
1352	$self->unlink_save;
1353
1354	delete $cf::MAP{$self->path};
1355	$self->{path} = new cf::path $new_path;
1356	$self->path ($self->{path}->as_string);
1357	$cf::MAP{$self->path} = $self;
1358
1359	$self->save;
1360	}
1361
1362	sub reset {	1612	sub reset {
1363	my ($self) = @_;	1613	my ($self) = @_;
1364		1614
		1615	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1616
1365	return if $self->players;	1617	return if $self->players;
1366	return if $self->{path}{user_rel};#d#	1618	return if $self->isa ("ext::map_per_player");#d#
1367		1619
1368	warn "resetting map ", $self->path;#d#	1620	warn "resetting map ", $self->path;#d#
1369		1621
		1622	$self->in_memory (cf::MAP_SWAPPED);
		1623
		1624	# need to save uniques path
		1625	unless ($self->{deny_save}) {
		1626	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1627
		1628	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1629	if $uniq;
		1630	}
		1631
1370	delete $cf::MAP{$self->path};	1632	delete $cf::MAP{$self->path};
		1633
		1634	$self->clear;
1371		1635
1372	$_->clear_links_to ($self) for values %cf::MAP;	1636	$_->clear_links_to ($self) for values %cf::MAP;
1373		1637
1374	$self->unlink_save;	1638	$self->unlink_save;
1375	$self->destroy;	1639	$self->destroy;
…		…
1378	my $nuke_counter = "aaaa";	1642	my $nuke_counter = "aaaa";
1379		1643
1380	sub nuke {	1644	sub nuke {
1381	my ($self) = @_;	1645	my ($self) = @_;
1382		1646
		1647	delete $cf::MAP{$self->path};
		1648
		1649	$self->unlink_save;
		1650
		1651	bless $self, "cf::map";
		1652	delete $self->{deny_reset};
1383	$self->{deny_save} = 1;	1653	$self->{deny_save} = 1;
1384	$self->reset_timeout (1);	1654	$self->reset_timeout (1);
1385	$self->rename ("{nuke}/" . ($nuke_counter++));	1655	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1656
		1657	$cf::MAP{$self->path} = $self;
		1658
1386	$self->reset; # polite request, might not happen	1659	$self->reset; # polite request, might not happen
1387	}	1660	}
1388		1661
1389	sub customise_for {	1662	=item cf::map::unique_maps
1390	my ($map, $ob) = @_;
1391		1663
1392	if ($map->per_player) {	1664	Returns an arrayref of paths of all shared maps that have
1393	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1665	instantiated unique items. May block.
1394	}
1395		1666
1396	$map	1667	=cut
1397	}
1398		1668
1399	sub emergency_save {	1669	sub unique_maps() {
1400	local $cf::FREEZE = 1;	1670	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1671	or return;
1401		1672
1402	warn "enter emergency map save\n";	1673	my @paths;
1403		1674
1404	cf::sync_job {	1675	for (@$files) {
1405	warn "begin emergency map save\n";	1676	utf8::decode $_;
1406	$_->save for values %cf::MAP;	1677	next if /\.pst$/;
		1678	next unless /^$PATH_SEP/o;
		1679
		1680	push @paths, cf::map::normalise $_;
1407	};	1681	}
1408		1682
1409	warn "end emergency map save\n";	1683	\@paths
1410	}	1684	}
1411		1685
1412	package cf;	1686	package cf;
1413		1687
1414	=back	1688	=back
1415		1689
		1690	=head3 cf::object
		1691
		1692	=cut
		1693
		1694	package cf::object;
		1695
		1696	=over 4
		1697
		1698	=item $ob->inv_recursive
		1699
		1700	Returns the inventory of the object _and_ their inventories, recursively.
		1701
		1702	=cut
		1703
		1704	sub inv_recursive_;
		1705	sub inv_recursive_ {
		1706	map { $_, inv_recursive_ $_->inv } @_
		1707	}
		1708
		1709	sub inv_recursive {
		1710	inv_recursive_ inv $_[0]
		1711	}
		1712
		1713	package cf;
		1714
		1715	=back
1416		1716
1417	=head3 cf::object::player	1717	=head3 cf::object::player
1418		1718
1419	=over 4	1719	=over 4
1420		1720
…		…
1460		1760
1461	=item $player_object->enter_link	1761	=item $player_object->enter_link
1462		1762
1463	Freezes the player and moves him/her to a special map (C<{link}>).	1763	Freezes the player and moves him/her to a special map (C<{link}>).
1464		1764
1465	The player should be reaosnably safe there for short amounts of time. You	1765	The player should be reasonably safe there for short amounts of time. You
1466	I<MUST> call C<leave_link> as soon as possible, though.	1766	I<MUST> call C<leave_link> as soon as possible, though.
1467		1767
		1768	Will never block.
		1769
1468	=item $player_object->leave_link ($map, $x, $y)	1770	=item $player_object->leave_link ($map, $x, $y)
1469		1771
1470	Moves the player out of the specila link map onto the given map. If the	1772	Moves the player out of the special C<{link}> map onto the specified
1471	map is not valid (or omitted), the player will be moved back to the	1773	map. If the map is not valid (or omitted), the player will be moved back
1472	location he/she was before the call to C<enter_link>, or, if that fails,	1774	to the location he/she was before the call to C<enter_link>, or, if that
1473	to the emergency map position.	1775	fails, to the emergency map position.
1474		1776
1475	Might block.	1777	Might block.
1476		1778
1477	=cut	1779	=cut
		1780
		1781	sub link_map {
		1782	unless ($LINK_MAP) {
		1783	$LINK_MAP = cf::map::find "{link}"
		1784	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1785	$LINK_MAP->load;
		1786	}
		1787
		1788	$LINK_MAP
		1789	}
1478		1790
1479	sub cf::object::player::enter_link {	1791	sub cf::object::player::enter_link {
1480	my ($self) = @_;	1792	my ($self) = @_;
1481		1793
1482	$self->deactivate_recursive;	1794	$self->deactivate_recursive;
1483		1795
1484	return if $self->map == $LINK_MAP;	1796	return if UNIVERSAL::isa $self->map, "ext::map_link";
1485		1797
1486	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1798	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1487	if $self->map;	1799	if $self->map;
1488		1800
1489	$self->enter_map ($LINK_MAP, 20, 20);	1801	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1490	}	1802	}
1491		1803
1492	sub cf::object::player::leave_link {	1804	sub cf::object::player::leave_link {
1493	my ($self, $map, $x, $y) = @_;	1805	my ($self, $map, $x, $y) = @_;
1494		1806
1495	my $link_pos = delete $self->{_link_pos};	1807	my $link_pos = delete $self->{_link_pos};
1496		1808
1497	unless ($map) {	1809	unless ($map) {
1498	# restore original map position	1810	# restore original map position
1499	($map, $x, $y) = @{ $link_pos || [] };	1811	($map, $x, $y) = @{ $link_pos || [] };
1500	$map = cf::map::find_map $map;	1812	$map = cf::map::find $map;
1501		1813
1502	unless ($map) {	1814	unless ($map) {
1503	($map, $x, $y) = @$EMERGENCY_POSITION;	1815	($map, $x, $y) = @$EMERGENCY_POSITION;
1504	$map = cf::map::find_map $map	1816	$map = cf::map::find $map
1505	or die "FATAL: cannot load emergency map\n";	1817	or die "FATAL: cannot load emergency map\n";
1506	}	1818	}
1507	}	1819	}
1508		1820
1509	($x, $y) = (-1, -1)	1821	($x, $y) = (-1, -1)
…		…
1512	# use -1 or undef as default coordinates, not 0, 0	1824	# use -1 or undef as default coordinates, not 0, 0
1513	($x, $y) = ($map->enter_x, $map->enter_y)	1825	($x, $y) = ($map->enter_x, $map->enter_y)
1514	if $x <=0 && $y <= 0;	1826	if $x <=0 && $y <= 0;
1515		1827
1516	$map->load;	1828	$map->load;
		1829	$map->load_diag;
1517		1830
		1831	return unless $self->contr->active;
1518	$self->activate_recursive;	1832	$self->activate_recursive;
		1833
		1834	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1519	$self->enter_map ($map, $x, $y);	1835	$self->enter_map ($map, $x, $y);
1520	}	1836	}
1521		1837
1522	cf::player->attach (	1838	cf::player->attach (
1523	on_logout => sub {	1839	on_logout => sub {
…		…
1535		1851
1536	# try to abort aborted map switching on player login :)	1852	# try to abort aborted map switching on player login :)
1537	# should happen only on crashes	1853	# should happen only on crashes
1538	if ($pl->ob->{_link_pos}) {	1854	if ($pl->ob->{_link_pos}) {
1539	$pl->ob->enter_link;	1855	$pl->ob->enter_link;
1540	Coro::async {	1856	(async {
		1857	$pl->ob->reply (undef,
		1858	"There was an internal problem at your last logout, "
		1859	. "the server will try to bring you to your intended destination in a second.",
		1860	cf::NDI_RED);
1541	# we need this sleep as the login has a concurrent enter_exit running	1861	# we need this sleep as the login has a concurrent enter_exit running
1542	# and this sleep increases chances of the player not ending up in scorn	1862	# and this sleep increases chances of the player not ending up in scorn
1543	Coro::Timer::sleep 1;	1863	Coro::Timer::sleep 1;
1544	$pl->ob->leave_link;	1864	$pl->ob->leave_link;
1545	};	1865	})->prio (2);
1546	}	1866	}
1547	},	1867	},
1548	);	1868	);
1549		1869
1550	=item $player_object->goto_map ($path, $x, $y)	1870	=item $player_object->goto ($path, $x, $y)
1551		1871
1552	=cut	1872	=cut
1553		1873
1554	sub cf::object::player::goto_map {	1874	sub cf::object::player::goto {
1555	my ($self, $path, $x, $y) = @_;	1875	my ($self, $path, $x, $y) = @_;
1556		1876
1557	$self->enter_link;	1877	$self->enter_link;
1558		1878
1559	(Coro::async {	1879	(async {
1560	$path = new cf::path $path;	1880	my $map = eval {
1561
1562	my $map = cf::map::find_map $path->as_string;	1881	my $map = cf::map::find $path;
1563	$map = $map->customise_for ($self) if $map;	1882	$map = $map->customise_for ($self) if $map;
1564		1883	$map
1565	# warn "entering ", $map->path, " at ($x, $y)\n"	1884	} or
1566	# if $map;
1567
1568	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1885	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1569		1886
1570	$self->leave_link ($map, $x, $y);	1887	$self->leave_link ($map, $x, $y);
1571	})->prio (1);	1888	})->prio (1);
1572	}	1889	}
1573		1890
…		…
1577		1894
1578	sub parse_random_map_params {	1895	sub parse_random_map_params {
1579	my ($spec) = @_;	1896	my ($spec) = @_;
1580		1897
1581	my $rmp = { # defaults	1898	my $rmp = { # defaults
1582	xsize => 10,	1899	xsize => (cf::rndm 15, 40),
1583	ysize => 10,	1900	ysize => (cf::rndm 15, 40),
		1901	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1902	#layout => string,
1584	};	1903	};
1585		1904
1586	for (split /\n/, $spec) {	1905	for (split /\n/, $spec) {
1587	my ($k, $v) = split /\s+/, $_, 2;	1906	my ($k, $v) = split /\s+/, $_, 2;
1588		1907
…		…
1592	$rmp	1911	$rmp
1593	}	1912	}
1594		1913
1595	sub prepare_random_map {	1914	sub prepare_random_map {
1596	my ($exit) = @_;	1915	my ($exit) = @_;
		1916
		1917	my $guard = cf::lock_acquire "exit_prepare:$exit";
1597		1918
1598	# all this does is basically replace the /! path by	1919	# all this does is basically replace the /! path by
1599	# a new random map path (?random/...) with a seed	1920	# a new random map path (?random/...) with a seed
1600	# that depends on the exit object	1921	# that depends on the exit object
1601		1922
1602	my $rmp = parse_random_map_params $exit->msg;	1923	my $rmp = parse_random_map_params $exit->msg;
1603		1924
1604	if ($exit->map) {	1925	if ($exit->map) {
1605	$rmp->{region} = $exit->map->region_name;	1926	$rmp->{region} = $exit->region->name;
1606	$rmp->{origin_map} = $exit->map->path;	1927	$rmp->{origin_map} = $exit->map->path;
1607	$rmp->{origin_x} = $exit->x;	1928	$rmp->{origin_x} = $exit->x;
1608	$rmp->{origin_y} = $exit->y;	1929	$rmp->{origin_y} = $exit->y;
1609	}	1930	}
1610		1931
1611	$rmp->{random_seed} ||= $exit->random_seed;	1932	$rmp->{random_seed} ||= $exit->random_seed;
1612		1933
1613	my $data = cf::to_json $rmp;	1934	my $data = cf::to_json $rmp;
1614	my $md5 = Digest::MD5::md5_hex $data;	1935	my $md5 = Digest::MD5::md5_hex $data;
		1936	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1615		1937
1616	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1938	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1617	aio_write $fh, 0, (length $data), $data, 0;	1939	aio_write $fh, 0, (length $data), $data, 0;
		1940	undef $fh;
		1941	aio_rename "$meta~", $meta;
1618		1942
1619	$exit->slaying ("?random/$md5");	1943	$exit->slaying ("?random/$md5");
1620	$exit->msg (undef);	1944	$exit->msg (undef);
1621	}	1945	}
1622	}	1946	}
…		…
1624	sub cf::object::player::enter_exit {	1948	sub cf::object::player::enter_exit {
1625	my ($self, $exit) = @_;	1949	my ($self, $exit) = @_;
1626		1950
1627	return unless $self->type == cf::PLAYER;	1951	return unless $self->type == cf::PLAYER;
1628		1952
		1953	if ($exit->slaying eq "/!") {
		1954	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1955	cf::sync_job { prepare_random_map $exit };
		1956	}
		1957
		1958	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1959	my $hp = $exit->stats->hp;
		1960	my $sp = $exit->stats->sp;
		1961
1629	$self->enter_link;	1962	$self->enter_link;
1630		1963
1631	(Coro::async {	1964	(async {
		1965	$self->deactivate_recursive; # just to be sure
1632	unless (eval {	1966	unless (eval {
1633		1967	$self->goto ($slaying, $hp, $sp);
1634	prepare_random_map $exit
1635	if $exit->slaying eq "/!";
1636
1637	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1638	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1639		1968
1640	1;	1969	1;
1641	}) {	1970	}) {
1642	$self->message ("Something went wrong deep within the crossfire server. "	1971	$self->message ("Something went wrong deep within the crossfire server. "
1643	. "I'll try to bring you back to the map you were before. "	1972	. "I'll try to bring you back to the map you were before. "
1644	. "Please report this to the dungeon master",	1973	. "Please report this to the dungeon master!",
1645	cf::NDI_UNIQUE | cf::NDI_RED);	1974	cf::NDI_UNIQUE | cf::NDI_RED);
1646		1975
1647	warn "ERROR in enter_exit: $@";	1976	warn "ERROR in enter_exit: $@";
1648	$self->leave_link;	1977	$self->leave_link;
1649	}	1978	}
…		…
1700	on_reply => sub {	2029	on_reply => sub {
1701	my ($ns, $msg) = @_;	2030	my ($ns, $msg) = @_;
1702		2031
1703	# this weird shuffling is so that direct followup queries	2032	# this weird shuffling is so that direct followup queries
1704	# get handled first	2033	# get handled first
1705	my $queue = delete $ns->{query_queue};	2034	my $queue = delete $ns->{query_queue}
		2035	or return; # be conservative, not sure how that can happen, but we saw a crash here
1706		2036
1707	(shift @$queue)->[1]->($msg);	2037	(shift @$queue)->[1]->($msg);
		2038	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1708		2039
1709	push @{ $ns->{query_queue} }, @$queue;	2040	push @{ $ns->{query_queue} }, @$queue;
1710		2041
1711	if (@{ $ns->{query_queue} } == @$queue) {	2042	if (@{ $ns->{query_queue} } == @$queue) {
1712	if (@$queue) {	2043	if (@$queue) {
…		…
1716	}	2047	}
1717	}	2048	}
1718	},	2049	},
1719	);	2050	);
1720		2051
1721	=item $client->coro (\&cb)	2052	=item $client->async (\&cb)
1722		2053
1723	Create a new coroutine, running the specified callback. The coroutine will	2054	Create a new coroutine, running the specified callback. The coroutine will
1724	be automatically cancelled when the client gets destroyed (e.g. on logout,	2055	be automatically cancelled when the client gets destroyed (e.g. on logout,
1725	or loss of connection).	2056	or loss of connection).
1726		2057
1727	=cut	2058	=cut
1728		2059
1729	sub cf::client::coro {	2060	sub cf::client::async {
1730	my ($self, $cb) = @_;	2061	my ($self, $cb) = @_;
1731		2062
1732	my $coro; $coro = async {	2063	my $coro = &Coro::async ($cb);
1733	eval {
1734	$cb->();
1735	};
1736	warn $@ if $@;
1737	};
1738		2064
1739	$coro->on_destroy (sub {	2065	$coro->on_destroy (sub {
1740	delete $self->{_coro}{$coro+0};	2066	delete $self->{_coro}{$coro+0};
1741	});	2067	});
1742		2068
…		…
1878	The parameter C<$family> should best start with the name of the extension	2204	The parameter C<$family> should best start with the name of the extension
1879	using it, it should be unique.	2205	using it, it should be unique.
1880		2206
1881	=over 4	2207	=over 4
1882		2208
1883	=item $hashref = cf::db_get $family
1884
1885	Return a hashref for use by the extension C<$family>, which can be
1886	modified. After modifications, you have to call C<cf::db_dirty> or
1887	C<cf::db_sync>.
1888
1889	=item $value = cf::db_get $family => $key	2209	=item $value = cf::db_get $family => $key
1890		2210
1891	Returns a single value from the database	2211	Returns a single value from the database.
1892
1893	=item cf::db_put $family => $hashref
1894
1895	Stores the given family hashref into the database. Updates are delayed, if
1896	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1897		2212
1898	=item cf::db_put $family => $key => $value	2213	=item cf::db_put $family => $key => $value
1899		2214
1900	Stores the given C<$value> in the family hash. Updates are delayed, if you	2215	Stores the given C<$value> in the family.
1901	want the data to be synced to disk immediately, use C<cf::db_sync>.
1902
1903	=item cf::db_dirty
1904
1905	Marks the database as dirty, to be updated at a later time.
1906
1907	=item cf::db_sync
1908
1909	Immediately write the database to disk I<if it is dirty>.
1910		2216
1911	=cut	2217	=cut
1912		2218
1913	our $DB;	2219	our $DB;
1914		2220
1915	{	2221	sub db_init {
		2222	unless ($DB) {
		2223	$DB = BDB::db_create $DB_ENV;
		2224
		2225	cf::sync_job {
		2226	eval {
		2227	$DB->set_flags (BDB::CHKSUM);
		2228
		2229	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2230	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2231	cf::cleanup "db_open(db): $!" if $!;
		2232	};
		2233	cf::cleanup "db_open(db): $@" if $@;
		2234	};
		2235
1916	my $path = cf::localdir . "/database.pst";	2236	my $path = cf::localdir . "/database.pst";
		2237	if (stat $path) {
		2238	cf::sync_job {
		2239	my $pst = Storable::retrieve $path;
1917		2240
1918	sub db_load() {	2241	cf::db_put (board => data => $pst->{board});
1919	$DB = stat $path ? Storable::retrieve $path : { };	2242	cf::db_put (guildrules => data => $pst->{guildrules});
1920	}	2243	cf::db_put (rent => balance => $pst->{rent}{balance});
		2244	BDB::db_env_txn_checkpoint $DB_ENV;
1921		2245
1922	my $pid;	2246	unlink $path;
1923
1924	sub db_save() {
1925	waitpid $pid, 0 if $pid;
1926	if (0 == ($pid = fork)) {
1927	$DB->{_meta}{version} = 1;
1928	Storable::nstore $DB, "$path~";
1929	rename "$path~", $path;
1930	cf::_exit 0 if defined $pid;
1931	}	2247	};
1932	}
1933
1934	my $dirty;
1935
1936	sub db_sync() {
1937	db_save if $dirty;
1938	undef $dirty;
1939	}
1940
1941	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1942	db_sync;
1943	});
1944
1945	sub db_dirty() {
1946	$dirty = 1;
1947	$idle->start;
1948	}
1949
1950	sub db_get($;$) {
1951	@_ >= 2
1952	? $DB->{$_[0]}{$_[1]}
1953	: ($DB->{$_[0]} ||= { })
1954	}
1955
1956	sub db_put($$;$) {
1957	if (@_ >= 3) {
1958	$DB->{$_[0]}{$_[1]} = $_[2];
1959	} else {
1960	$DB->{$_[0]} = $_[1];
1961	}
1962	db_dirty;
1963	}
1964
1965	cf::global->attach (
1966	prio => 10000,
1967	on_cleanup => sub {
1968	db_sync;
1969	},	2248	}
1970	);	2249	}
		2250	}
		2251
		2252	sub db_get($$) {
		2253	my $key = "$_[0]/$_[1]";
		2254
		2255	cf::sync_job {
		2256	BDB::db_get $DB, undef, $key, my $data;
		2257
		2258	$! ? ()
		2259	: Compress::LZF::sthaw $data
		2260	}
		2261	}
		2262
		2263	sub db_put($$$) {
		2264	BDB::dbreq_pri 4;
		2265	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1971	}	2266	}
1972		2267
1973	#############################################################################	2268	#############################################################################
1974	# the server's main()	2269	# the server's init and main functions
		2270
		2271	sub init_resources {
		2272	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2273	or die "unable to load regions file\n";#d#
		2274	}
1975		2275
1976	sub cfg_load {	2276	sub cfg_load {
1977	open my $fh, "<:utf8", cf::confdir . "/config"	2277	open my $fh, "<:utf8", cf::confdir . "/config"
1978	or return;	2278	or return;
1979		2279
1980	local $/;	2280	local $/;
1981	*CFG = YAML::Syck::Load <$fh>;	2281	*CFG = YAML::Syck::Load <$fh>;
		2282
		2283	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2284
		2285	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2286	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2287
		2288	if (exists $CFG{mlockall}) {
		2289	eval {
		2290	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2291	and die "WARNING: m(un)lockall failed: $!\n";
		2292	};
		2293	warn $@ if $@;
		2294	}
		2295	}
		2296
		2297	sub init {
		2298	init_resources;
1982	}	2299	}
1983		2300
1984	sub main {	2301	sub main {
1985	# we must not ever block the main coroutine	2302	# we must not ever block the main coroutine
1986	local $Coro::idle = sub {	2303	local $Coro::idle = sub {
1987	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2304	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1988	(Coro::unblock_sub {	2305	(async {
1989	Event::one_event;	2306	Event::one_event;
1990	})->();	2307	})->prio (Coro::PRIO_MAX);
1991	};	2308	};
1992		2309
1993	cfg_load;	2310	cfg_load;
1994	db_load;	2311	db_init;
1995	load_extensions;	2312	load_extensions;
		2313
		2314	$TICK_WATCHER->start;
1996	Event::loop;	2315	Event::loop;
1997	}	2316	}
1998		2317
1999	#############################################################################	2318	#############################################################################
2000	# initialisation	2319	# initialisation and cleanup
		2320
		2321	# install some emergency cleanup handlers
		2322	BEGIN {
		2323	for my $signal (qw(INT HUP TERM)) {
		2324	Event->signal (
		2325	reentrant => 0,
		2326	data => WF_AUTOCANCEL,
		2327	signal => $signal,
		2328	prio => 0,
		2329	cb => sub {
		2330	cf::cleanup "SIG$signal";
		2331	},
		2332	);
		2333	}
		2334	}
		2335
		2336	sub emergency_save() {
		2337	my $freeze_guard = cf::freeze_mainloop;
		2338
		2339	warn "enter emergency perl save\n";
		2340
		2341	cf::sync_job {
		2342	# use a peculiar iteration method to avoid tripping on perl
		2343	# refcount bugs in for. also avoids problems with players
		2344	# and maps saved/destroyed asynchronously.
		2345	warn "begin emergency player save\n";
		2346	for my $login (keys %cf::PLAYER) {
		2347	my $pl = $cf::PLAYER{$login} or next;
		2348	$pl->valid or next;
		2349	$pl->save;
		2350	}
		2351	warn "end emergency player save\n";
		2352
		2353	warn "begin emergency map save\n";
		2354	for my $path (keys %cf::MAP) {
		2355	my $map = $cf::MAP{$path} or next;
		2356	$map->valid or next;
		2357	$map->save;
		2358	}
		2359	warn "end emergency map save\n";
		2360
		2361	warn "begin emergency database checkpoint\n";
		2362	BDB::db_env_txn_checkpoint $DB_ENV;
		2363	warn "end emergency database checkpoint\n";
		2364	};
		2365
		2366	warn "leave emergency perl save\n";
		2367	}
		2368
		2369	sub post_cleanup {
		2370	my ($make_core) = @_;
		2371
		2372	warn Carp::longmess "post_cleanup backtrace"
		2373	if $make_core;
		2374	}
2001		2375
2002	sub reload() {	2376	sub reload() {
2003	# can/must only be called in main	2377	# can/must only be called in main
2004	if ($Coro::current != $Coro::main) {	2378	if ($Coro::current != $Coro::main) {
2005	warn "can only reload from main coroutine\n";	2379	warn "can only reload from main coroutine";
2006	return;	2380	return;
2007	}	2381	}
2008		2382
2009	warn "reloading...";	2383	warn "reloading...";
2010		2384
2011	local $FREEZE = 1;	2385	warn "entering sync_job";
		2386
		2387	cf::sync_job {
		2388	cf::write_runtime; # external watchdog should not bark
2012	cf::emergency_save;	2389	cf::emergency_save;
		2390	cf::write_runtime; # external watchdog should not bark
2013		2391
2014	eval {	2392	warn "syncing database to disk";
		2393	BDB::db_env_txn_checkpoint $DB_ENV;
		2394
2015	# if anything goes wrong in here, we should simply crash as we already saved	2395	# if anything goes wrong in here, we should simply crash as we already saved
2016		2396
2017	# cancel all watchers	2397	warn "cancelling all WF_AUTOCANCEL watchers";
2018	for (Event::all_watchers) {	2398	for (Event::all_watchers) {
2019	$_->cancel if $_->data & WF_AUTOCANCEL;	2399	$_->cancel if $_->data & WF_AUTOCANCEL;
2020	}	2400	}
2021		2401
		2402	warn "flushing outstanding aio requests";
		2403	for (;;) {
		2404	BDB::flush;
		2405	IO::AIO::flush;
		2406	Coro::cede;
		2407	last unless IO::AIO::nreqs || BDB::nreqs;
		2408	warn "iterate...";
		2409	}
		2410
2022	# cancel all extension coros	2411	warn "cancelling all extension coros";
2023	$_->cancel for values %EXT_CORO;	2412	$_->cancel for values %EXT_CORO;
2024	%EXT_CORO = ();	2413	%EXT_CORO = ();
2025		2414
2026	# unload all extensions	2415	warn "removing commands";
2027	for (@exts) {	2416	%COMMAND = ();
		2417
		2418	warn "removing ext commands";
		2419	%EXTCMD = ();
		2420
		2421	warn "unloading/nuking all extensions";
		2422	for my $pkg (@EXTS) {
2028	warn "unloading <$_>";	2423	warn "... unloading $pkg";
2029	unload_extension $_;	2424
		2425	if (my $cb = $pkg->can ("unload")) {
		2426	eval {
		2427	$cb->($pkg);
		2428	1
		2429	} or warn "$pkg unloaded, but with errors: $@";
2030	}	2430	}
2031		2431
		2432	warn "... nuking $pkg";
		2433	Symbol::delete_package $pkg;
		2434	}
		2435
2032	# unload all modules loaded from $LIBDIR	2436	warn "unloading all perl modules loaded from $LIBDIR";
2033	while (my ($k, $v) = each %INC) {	2437	while (my ($k, $v) = each %INC) {
2034	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2438	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2035		2439
2036	warn "removing <$k>";	2440	warn "... unloading $k";
2037	delete $INC{$k};	2441	delete $INC{$k};
2038		2442
2039	$k =~ s/\.pm$//;	2443	$k =~ s/\.pm$//;
2040	$k =~ s/\//::/g;	2444	$k =~ s/\//::/g;
2041		2445
…		…
2044	}	2448	}
2045		2449
2046	Symbol::delete_package $k;	2450	Symbol::delete_package $k;
2047	}	2451	}
2048		2452
2049	# sync database to disk
2050	cf::db_sync;
2051	IO::AIO::flush;
2052
2053	# get rid of safe::, as good as possible	2453	warn "getting rid of safe::, as good as possible";
2054	Symbol::delete_package "safe::$_"	2454	Symbol::delete_package "safe::$_"
2055	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2455	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2056		2456
2057	# remove register_script_function callbacks
2058	# TODO
2059
2060	# unload cf.pm "a bit"	2457	warn "unloading cf.pm \"a bit\"";
2061	delete $INC{"cf.pm"};	2458	delete $INC{"cf.pm"};
2062		2459
2063	# don't, removes xs symbols, too,	2460	# don't, removes xs symbols, too,
2064	# and global variables created in xs	2461	# and global variables created in xs
2065	#Symbol::delete_package __PACKAGE__;	2462	#Symbol::delete_package __PACKAGE__;
2066		2463
2067	# reload cf.pm	2464	warn "unload completed, starting to reload now";
		2465
2068	warn "reloading cf.pm";	2466	warn "reloading cf.pm";
2069	require cf;	2467	require cf;
2070	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2468	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2071		2469
2072	# load config and database again	2470	warn "loading config and database again";
2073	cf::cfg_load;	2471	cf::cfg_load;
2074	cf::db_load;
2075		2472
2076	# load extensions
2077	warn "load extensions";	2473	warn "loading extensions";
2078	cf::load_extensions;	2474	cf::load_extensions;
2079		2475
2080	# reattach attachments to objects	2476	warn "reattaching attachments to objects/players";
2081	warn "reattach";	2477	_global_reattach; # objects, sockets
2082	_global_reattach;	2478	warn "reattaching attachments to maps";
2083	};	2479	reattach $_ for values %MAP;
		2480	warn "reattaching attachments to players";
		2481	reattach $_ for values %PLAYER;
2084		2482
2085	if ($@) {	2483	warn "loading reloadable resources";
		2484	init_resources;
		2485
		2486	warn "leaving sync_job";
		2487
		2488	1
		2489	} or do {
2086	warn $@;	2490	warn $@;
2087	warn "error while reloading, exiting.";	2491	warn "error while reloading, exiting.";
2088	exit 1;	2492	exit 1;
2089	}	2493	};
2090		2494
2091	warn "reloaded successfully";	2495	warn "reloaded";
2092	};	2496	};
2093		2497
2094	#############################################################################	2498	our $RELOAD_WATCHER; # used only during reload
2095
2096	unless ($LINK_MAP) {
2097	$LINK_MAP = cf::map::new;
2098
2099	$LINK_MAP->width (41);
2100	$LINK_MAP->height (41);
2101	$LINK_MAP->alloc;
2102	$LINK_MAP->path ("{link}");
2103	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2104	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2105
2106	# dirty hack because... archetypes are not yet loaded
2107	Event->timer (
2108	after => 2,
2109	cb => sub {
2110	$_[0]->w->cancel;
2111
2112	# provide some exits "home"
2113	my $exit = cf::object::new "exit";
2114
2115	$exit->slaying ($EMERGENCY_POSITION->[0]);
2116	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2117	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2118
2119	$LINK_MAP->insert ($exit->clone, 19, 19);
2120	$LINK_MAP->insert ($exit->clone, 19, 20);
2121	$LINK_MAP->insert ($exit->clone, 19, 21);
2122	$LINK_MAP->insert ($exit->clone, 20, 19);
2123	$LINK_MAP->insert ($exit->clone, 20, 21);
2124	$LINK_MAP->insert ($exit->clone, 21, 19);
2125	$LINK_MAP->insert ($exit->clone, 21, 20);
2126	$LINK_MAP->insert ($exit->clone, 21, 21);
2127
2128	$exit->destroy;
2129	});
2130
2131	$LINK_MAP->{deny_save} = 1;
2132	$LINK_MAP->{deny_reset} = 1;
2133
2134	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2135	}
2136
2137	register "<global>", __PACKAGE__;
2138		2499
2139	register_command "reload" => sub {	2500	register_command "reload" => sub {
2140	my ($who, $arg) = @_;	2501	my ($who, $arg) = @_;
2141		2502
2142	if ($who->flag (FLAG_WIZ)) {	2503	if ($who->flag (FLAG_WIZ)) {
2143	$who->message ("start of reload.");	2504	$who->message ("reloading server.");
		2505
		2506	# doing reload synchronously and two reloads happen back-to-back,
		2507	# coro crashes during coro_state_free->destroy here.
		2508
		2509	$RELOAD_WATCHER ||= Event->timer (
		2510	reentrant => 0,
		2511	after => 0,
		2512	data => WF_AUTOCANCEL,
		2513	cb => sub {
2144	reload;	2514	reload;
2145	$who->message ("end of reload.");	2515	undef $RELOAD_WATCHER;
		2516	},
		2517	);
2146	}	2518	}
2147	};	2519	};
2148		2520
2149	unshift @INC, $LIBDIR;	2521	unshift @INC, $LIBDIR;
		2522
		2523	my $bug_warning = 0;
2150		2524
2151	$TICK_WATCHER = Event->timer (	2525	$TICK_WATCHER = Event->timer (
2152	reentrant => 0,	2526	reentrant => 0,
		2527	parked => 1,
2153	prio => 0,	2528	prio => 0,
2154	at => $NEXT_TICK || $TICK,	2529	at => $NEXT_TICK || $TICK,
2155	data => WF_AUTOCANCEL,	2530	data => WF_AUTOCANCEL,
2156	cb => sub {	2531	cb => sub {
2157	unless ($FREEZE) {	2532	if ($Coro::current != $Coro::main) {
		2533	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2534	unless ++$bug_warning > 10;
		2535	return;
		2536	}
		2537
		2538	$NOW = Event::time;
		2539
2158	cf::server_tick; # one server iteration	2540	cf::server_tick; # one server iteration
2159	$RUNTIME += $TICK;	2541	$RUNTIME += $TICK;
2160	}
2161
2162	$NEXT_TICK += $TICK;	2542	$NEXT_TICK += $TICK;
		2543
		2544	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2545	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2546	Coro::async_pool {
		2547	write_runtime
		2548	or warn "ERROR: unable to write runtime file: $!";
		2549	};
		2550	}
		2551
		2552	$WAIT_FOR_TICK->broadcast;
		2553	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2554
		2555	# my $AFTER = Event::time;
		2556	# warn $AFTER - $NOW;#d#
2163		2557
2164	# if we are delayed by four ticks or more, skip them all	2558	# if we are delayed by four ticks or more, skip them all
2165	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2559	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2166		2560
2167	$TICK_WATCHER->at ($NEXT_TICK);	2561	$TICK_WATCHER->at ($NEXT_TICK);
2168	$TICK_WATCHER->start;	2562	$TICK_WATCHER->start;
2169	},	2563	},
2170	);	2564	);
2171		2565
		2566	{
2172	IO::AIO::max_poll_time $TICK * 0.2;	2567	BDB::max_poll_time $TICK * 0.1;
2173		2568	$BDB_POLL_WATCHER = Event->io (
2174	Event->io (	2569	reentrant => 0,
2175	fd => IO::AIO::poll_fileno,	2570	fd => BDB::poll_fileno,
2176	poll => 'r',	2571	poll => 'r',
2177	prio => 5,	2572	prio => 0,
2178	data => WF_AUTOCANCEL,
2179	cb => \&IO::AIO::poll_cb,
2180	);
2181
2182	Event->timer (
2183	data => WF_AUTOCANCEL,	2573	data => WF_AUTOCANCEL,
2184	after => 0,	2574	cb => \&BDB::poll_cb,
2185	interval => 10,	2575	);
2186	cb => sub {	2576	BDB::min_parallel 8;
2187	(Coro::unblock_sub {	2577
2188	write_runtime	2578	BDB::set_sync_prepare {
2189	or warn "ERROR: unable to write runtime file: $!";	2579	my $status;
		2580	my $current = $Coro::current;
		2581	(
		2582	sub {
		2583	$status = $!;
		2584	$current->ready; undef $current;
		2585	},
		2586	sub {
		2587	Coro::schedule while defined $current;
		2588	$! = $status;
		2589	},
		2590	)
		2591	};
		2592
		2593	unless ($DB_ENV) {
		2594	$DB_ENV = BDB::db_env_create;
		2595
		2596	cf::sync_job {
		2597	eval {
		2598	BDB::db_env_open
		2599	$DB_ENV,
		2600	$BDB_ENV_DIR,
		2601	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2602	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2603	0666;
		2604
		2605	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2606
		2607	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2608	$DB_ENV->set_lk_detect;
		2609	};
		2610
		2611	cf::cleanup "db_env_open(db): $@" if $@;
2190	})->();	2612	};
2191	},	2613	}
2192	);	2614	}
		2615
		2616	{
		2617	IO::AIO::min_parallel 8;
		2618
		2619	undef $Coro::AIO::WATCHER;
		2620	IO::AIO::max_poll_time $TICK * 0.1;
		2621	$AIO_POLL_WATCHER = Event->io (
		2622	reentrant => 0,
		2623	data => WF_AUTOCANCEL,
		2624	fd => IO::AIO::poll_fileno,
		2625	poll => 'r',
		2626	prio => 6,
		2627	cb => \&IO::AIO::poll_cb,
		2628	);
		2629	}
		2630
		2631	END { cf::emergency_save }
2193		2632
2194	1	2633	1
2195		2634

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