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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.278 by root, Mon Jun 11 21:38:14 2007 UTC vs.
Revision 1.371 by root, Thu Sep 13 16:16:01 2007 UTC

…		…
10	use Event;	10	use Event;
11	use Opcode;	11	use Opcode;
12	use Safe;	12	use Safe;
13	use Safe::Hole;	13	use Safe::Hole;
14		14
15	use Coro 3.61 ();	15	use Coro 3.64 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::Event;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
23	use Coro::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
24		25
		26	use JSON::XS ();
25	use BDB ();	27	use BDB ();
26	use Data::Dumper;	28	use Data::Dumper;
27	use Digest::MD5;	29	use Digest::MD5;
28	use Fcntl;	30	use Fcntl;
29	use YAML::Syck ();	31	use YAML::Syck ();
30	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
31	use Time::HiRes;	33	use Time::HiRes;
32	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
33		36
34	# configure various modules to our taste	37	# configure various modules to our taste
35	#	38	#
36	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
…		…
49	our %COMMAND = ();	52	our %COMMAND = ();
50	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
51		54
52	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
56		60
57	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
58	our @EVENT;	62	our @EVENT;
…		…
76	our $NEXT_TICK;	80	our $NEXT_TICK;
77	our $NOW;	81	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		83
80	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	88	our $DB_ENV;
82		89
83	our %CFG;	90	our %CFG;
84		91
85	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	93	our $RUNTIME;
87		94
88	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
91		98
92	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		101
…		…
164		171
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	173	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
		181
169	=back	182	=back
170		183
171	=cut	184	=cut
172		185
173	BEGIN {	186	BEGIN {
…		…
177	$msg .= "\n"	190	$msg .= "\n"
178	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
179		192
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		194
182	utf8::encode $msg;
183	LOG llevError, $msg;	195	LOG llevError, $msg;
184	};	196	};
185	}	197	}
186		198
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
206	}	218	}
207		219
208	$Event::DIED = sub {	220	$Event::DIED = sub {
209	warn "error in event callback: @_";	221	warn "error in event callback: @_";
210	};	222	};
		223
		224	#############################################################################
211		225
212	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
213		227
214	=over 4	228	=over 4
215		229
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	249	$d
236	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
237	}	251	}
238		252
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
242		254
243	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
244		256
245	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
246		258
247	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
		260
		261	=cut
		262
		263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		264
		265	sub to_json ($) { $json_coder->encode ($_[0]) }
		266	sub from_json ($) { $json_coder->decode ($_[0]) }
248		267
249	=item cf::lock_wait $string	268	=item cf::lock_wait $string
250		269
251	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
252		271
…		…
255	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
258	returned.	277	returned.
259		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
260	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
262		284
263	=item $locked = cf::lock_active $string	285	=item $locked = cf::lock_active $string
264		286
265	Return true if the lock is currently active, i.e. somebody has locked it.	287	Return true if the lock is currently active, i.e. somebody has locked it.
266		288
267	=cut	289	=cut
268		290
269	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
270		293
271	sub lock_wait($) {	294	sub lock_wait($) {
272	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
273		301
274	# wait for lock, if any	302	# wait for lock, if any
275	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;	305	Coro::schedule;
…		…
283		311
284	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
285	lock_wait $key;	313	lock_wait $key;
286		314
287	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
288		317
289	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
290	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
292	}	322	}
293	}	323	}
294		324
…		…
306	};	336	};
307	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
308	$guard	338	$guard
309	}	339	}
310		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	my $signal = new Coro::Signal;
		360
		361	while () {
		362	next_job:
		363	my $avail = cf::till_tick;
		364	if ($avail > 0.01) {
		365	for (0 .. $#SLOT_QUEUE) {
		366	if ($SLOT_QUEUE[$_][0] < $avail) {
		367	my $job = splice @SLOT_QUEUE, $_, 1, ();
		368	$job->[2]->send;
		369	Coro::cede;
		370	goto next_job;
		371	}
		372	}
		373	}
		374
		375	if (@SLOT_QUEUE) {
		376	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		377	push @cf::WAIT_FOR_TICK, $signal;
		378	$signal->wait;
		379	} else {
		380	Coro::schedule;
		381	}
		382	}
		383	};
		384
		385	sub get_slot($;$$) {
		386	my ($time, $pri, $name) = @_;
		387
		388	$time = $TICK * .6 if $time > $TICK * .6;
		389	my $sig = new Coro::Signal;
		390
		391	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		392	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		393	$SLOT_QUEUE->ready;
		394	$sig->wait;
		395	}
		396
311	=item cf::async { BLOCK }	397	=item cf::async { BLOCK }
312		398
313	Currently the same as Coro::async_pool, meaning you cannot use	399	Currently the same as Coro::async_pool, meaning you cannot use
314	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	400	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
315	thing you are allowed to do is call C<prio> on it.	401	thing you are allowed to do is call C<prio> on it.
…		…
318		404
319	BEGIN { *async = \&Coro::async_pool }	405	BEGIN { *async = \&Coro::async_pool }
320		406
321	=item cf::sync_job { BLOCK }	407	=item cf::sync_job { BLOCK }
322		408
323	The design of crossfire+ requires that the main coro ($Coro::main) is	409	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	410	is always able to handle events or runnable, as Crossfire TRT is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	411	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		412	acceptable.
326		413
327	If it must be done, put the blocking parts into C<sync_job>. This will run	414	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	415	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	416	server will be frozen during this time, so the block should either finish
330	fast or be very important.	417	fast or be very important.
…		…
390	$EXT_CORO{$coro+0} = $coro;	477	$EXT_CORO{$coro+0} = $coro;
391		478
392	$coro	479	$coro
393	}	480	}
394		481
395	sub write_runtime {	482	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		483
398	# first touch the runtime file to show we are still running:	484	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	485	process, returning the results. Everything must be serialisable with
		486	Coro::Storable. May, of course, block. Note that the executed sub may
		487	never block itself or use any form of Event handling.
400		488
401	IO::AIO::aio_utime $runtime, undef, undef;	489	=cut
402		490
403	my $guard = cf::lock_acquire "write_runtime";	491	sub fork_call(&@) {
		492	my ($cb, @args) = @_;
404		493
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	494	# we seemingly have to make a local copy of the whole thing,
406	or return;	495	# otherwise perl prematurely frees the stuff :/
		496	# TODO: investigate and fix (likely this will be rather laborious)
407		497
408	my $value = $cf::RUNTIME + 90 + 10;	498	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	499	reset_signals;
410	# 60 allows for the watchdog to kill the server.	500	&$cb
		501	}, @args;
411		502
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	503	wantarray ? @res : $res[-1]
413	and return;	504	}
414		505
415	# always fsync - this file is important	506	=item $value = cf::db_get $family => $key
416	aio_fsync $fh
417	and return;
418		507
419	# touch it again to show we are up-to-date	508	Returns a single value from the environment database.
420	aio_utime $fh, undef, undef;
421		509
422	close $fh	510	=item cf::db_put $family => $key => $value
423	or return;
424		511
425	aio_rename "$runtime~", $runtime	512	Stores the given C<$value> in the family. It can currently store binary
426	and return;	513	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
427		514
428	warn "runtime file written.\n";	515	=item $db = cf::db_table "name"
429		516
		517	Create and/or open a new database table. The string must not be "db" and must be unique
		518	within each server.
		519
		520	=cut
		521
		522	sub db_table($) {
		523	my ($name) = @_;
		524	my $db = BDB::db_create $DB_ENV;
		525
		526	eval {
		527	$db->set_flags (BDB::CHKSUM);
		528
		529	utf8::encode $name;
		530	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		531	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		532	cf::cleanup "db_open(db): $!" if $!;
		533	};
		534	cf::cleanup "db_open(db): $@" if $@;
		535
		536	$db
		537	}
		538
		539	our $DB;
		540
		541	sub db_init {
		542	cf::sync_job {
		543	$DB ||= db_table "db";
		544	};
		545	}
		546
		547	sub db_get($$) {
		548	my $key = "$_[0]/$_[1]";
		549
		550	cf::sync_job {
		551	BDB::db_get $DB, undef, $key, my $data;
		552
		553	$! ? ()
		554	: $data
430	1	555	}
		556	}
		557
		558	sub db_put($$$) {
		559	BDB::dbreq_pri 4;
		560	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		561	}
		562
		563	=item cf::cache $id => [$paths...], $processversion => $process
		564
		565	Generic caching function that returns the value of the resource $id,
		566	caching and regenerating as required.
		567
		568	This function can block.
		569
		570	=cut
		571
		572	sub cache {
		573	my ($id, $src, $processversion, $process) = @_;
		574
		575	my $meta =
		576	join "\x00",
		577	$processversion,
		578	map {
		579	aio_stat $_
		580	and Carp::croak "$_: $!";
		581
		582	($_, (stat _)[7,9])
		583	} @$src;
		584
		585	my $dbmeta = db_get cache => "$id/meta";
		586	if ($dbmeta ne $meta) {
		587	# changed, we may need to process
		588
		589	my @data;
		590	my $md5;
		591
		592	for (0 .. $#$src) {
		593	0 <= aio_load $src->[$_], $data[$_]
		594	or Carp::croak "$src->[$_]: $!";
		595	}
		596
		597	# if processing is expensive, check
		598	# checksum first
		599	if (1) {
		600	$md5 =
		601	join "\x00",
		602	$processversion,
		603	map {
		604	cf::cede_to_tick;
		605	($src->[$_], Digest::MD5::md5_hex $data[$_])
		606	} 0.. $#$src;
		607
		608
		609	my $dbmd5 = db_get cache => "$id/md5";
		610	if ($dbmd5 eq $md5) {
		611	db_put cache => "$id/meta", $meta;
		612
		613	return db_get cache => "$id/data";
		614	}
		615	}
		616
		617	my $t1 = Time::HiRes::time;
		618	my $data = $process->(\@data);
		619	my $t2 = Time::HiRes::time;
		620
		621	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		622
		623	db_put cache => "$id/data", $data;
		624	db_put cache => "$id/md5" , $md5;
		625	db_put cache => "$id/meta", $meta;
		626
		627	return $data;
		628	}
		629
		630	db_get cache => "$id/data"
431	}	631	}
432		632
433	=item cf::datalog type => key => value, ...	633	=item cf::datalog type => key => value, ...
434		634
435	Log a datalog packet of the given type with the given key-value pairs.	635	Log a datalog packet of the given type with the given key-value pairs.
…		…
453	attach callbacks/event handlers (a collection of which is called an "attachment")	653	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	654	to it. All such attachable objects support the following methods.
455		655
456	In the following description, CLASS can be any of C<global>, C<object>	656	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	657	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	658	Crossfire TRT).
459		659
460	=over 4	660	=over 4
461		661
462	=item $attachable->attach ($attachment, key => $value...)	662	=item $attachable->attach ($attachment, key => $value...)
463		663
…		…
665	_attach $registry, $klass, @attach;	865	_attach $registry, $klass, @attach;
666	}	866	}
667		867
668	$obj->{$name} = \%arg;	868	$obj->{$name} = \%arg;
669	} else {	869	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	870	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	871	}
672		872
673	$obj->{_attachment}{$name} = undef;	873	$obj->{_attachment}{$name} = undef;
674	}	874	}
675		875
…		…
715	";	915	";
716	die if $@;	916	die if $@;
717	}	917	}
718		918
719	our $override;	919	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	920	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		921
722	sub override {	922	sub override {
723	$override = 1;	923	$override = 1;
724	@invoke_results = ();	924	@INVOKE_RESULTS = (@_);
725	}	925	}
726		926
727	sub do_invoke {	927	sub do_invoke {
728	my $event = shift;	928	my $event = shift;
729	my $callbacks = shift;	929	my $callbacks = shift;
730		930
731	@invoke_results = ();	931	@INVOKE_RESULTS = ();
732		932
733	local $override;	933	local $override;
734		934
735	for (@$callbacks) {	935	for (@$callbacks) {
736	eval { &{$_->[1]} };	936	eval { &{$_->[1]} };
…		…
753		953
754	Generate an object-specific event with the given arguments.	954	Generate an object-specific event with the given arguments.
755		955
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	956	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	957	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	958	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		959
760	=back	960	=back
761		961
762	=cut	962	=cut
763		963
764	#############################################################################	964	#############################################################################
765	# object support	965	# object support
		966	#
		967
		968	sub _can_merge {
		969	my ($ob1, $ob2) = @_;
		970
		971	local $Storable::canonical = 1;
		972	my $fob1 = Storable::freeze $ob1;
		973	my $fob2 = Storable::freeze $ob2;
		974
		975	$fob1 eq $fob2
		976	}
766		977
767	sub reattach {	978	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	979	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	980	my ($obj) = @_;
770		981
…		…
815	);	1026	);
816		1027
817	sub object_freezer_save {	1028	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1029	my ($filename, $rdata, $objs) = @_;
819		1030
		1031	my $guard = cf::lock_acquire "io";
		1032
820	sync_job {	1033	sync_job {
821	if (length $$rdata) {	1034	if (length $$rdata) {
		1035	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1036	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1037	$decname, length $$rdata, scalar @$objs;
824		1038
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1039	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1040	chmod SAVE_MODE, $fh;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1041	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1042	aio_fsync $fh if $cf::USE_FSYNC;
…		…
847	}	1061	}
848	} else {	1062	} else {
849	aio_unlink $filename;	1063	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1064	aio_unlink "$filename.pst";
851	}	1065	}
852	}	1066	};
		1067
		1068	undef $guard;
853	}	1069	}
854		1070
855	sub object_freezer_as_string {	1071	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1072	my ($rdata, $objs) = @_;
857		1073
…		…
862		1078
863	sub object_thawer_load {	1079	sub object_thawer_load {
864	my ($filename) = @_;	1080	my ($filename) = @_;
865		1081
866	my ($data, $av);	1082	my ($data, $av);
		1083
		1084	my $guard = cf::lock_acquire "io";
867		1085
868	(aio_load $filename, $data) >= 0	1086	(aio_load $filename, $data) >= 0
869	or return;	1087	or return;
870		1088
871	unless (aio_stat "$filename.pst") {	1089	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1090	(aio_load "$filename.pst", $av) >= 0
873	or return;	1091	or return;
		1092
		1093	undef $guard;
874	$av = eval { (Storable::thaw $av)->{objs} };	1094	$av = eval { (Storable::thaw $av)->{objs} };
875	}	1095	}
876		1096
		1097	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1098	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1099	$decname, length $data, scalar @{$av || []};
		1100
879	return ($data, $av);	1101	($data, $av)
880	}	1102	}
		1103
		1104	=head2 COMMAND CALLBACKS
		1105
		1106	=over 4
		1107
		1108	=cut
881		1109
882	#############################################################################	1110	#############################################################################
883	# command handling &c	1111	# command handling &c
884		1112
885	=item cf::register_command $name => \&callback($ob,$args);	1113	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1126	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1127	}
900		1128
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1129	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1130
903	Register a callbackf ro execution when the client sends an extcmd packet.	1131	Register a callback for execution when the client sends an (synchronous)
		1132	extcmd packet. Ext commands will be processed in the order they are
		1133	received by the server, like other user commands. The first argument is
		1134	the logged-in player. Ext commands can only be processed after a player
		1135	has logged in successfully.
904		1136
905	If the callback returns something, it is sent back as if reply was being	1137	If the callback returns something, it is sent back as if reply was being
906	called.	1138	called.
907		1139
		1140	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1141
		1142	Register a callback for execution when the client sends an (asynchronous)
		1143	exticmd packet. Exti commands are processed by the server as soon as they
		1144	are received, i.e. out of order w.r.t. other commands. The first argument
		1145	is a client socket. Exti commands can be received anytime, even before
		1146	log-in.
		1147
		1148	If the callback returns something, it is sent back as if reply was being
		1149	called.
		1150
908	=cut	1151	=cut
909		1152
910	sub register_extcmd {	1153	sub register_extcmd {
911	my ($name, $cb) = @_;	1154	my ($name, $cb) = @_;
912		1155
913	$EXTCMD{$name} = $cb;	1156	$EXTCMD{$name} = $cb;
		1157	}
		1158
		1159	sub register_exticmd {
		1160	my ($name, $cb) = @_;
		1161
		1162	$EXTICMD{$name} = $cb;
914	}	1163	}
915		1164
916	cf::player->attach (	1165	cf::player->attach (
917	on_command => sub {	1166	on_command => sub {
918	my ($pl, $name, $params) = @_;	1167	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1176	cf::override;
928	},	1177	},
929	on_extcmd => sub {	1178	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1179	my ($pl, $buf) = @_;
931		1180
932	my $msg = eval { from_json $buf };	1181	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1182
934	if (ref $msg) {	1183	if (ref $msg) {
		1184	my ($type, $reply, @payload) =
		1185	"ARRAY" eq ref $msg
		1186	? @$msg
		1187	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1188
		1189	my @reply;
		1190
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1192	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1193	}
		1194
		1195	$pl->ext_reply ($reply, @reply)
		1196	if $reply;
		1197
940	} else {	1198	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1199	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1200	}
943		1201
944	cf::override;	1202	cf::override;
…		…
967	path => $path,	1225	path => $path,
968	base => $base,	1226	base => $base,
969	pkg => $pkg,	1227	pkg => $pkg,
970	);	1228	);
971		1229
972	$ext{meta} = { map { split /=/, $_, 2 } split /\s+/, $1 }	1230	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
973	if $source =~ /^#!.*?perl.*?#\s*(.*)$/;	1231	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
974		1232
975	$ext{source} =	1233	$ext{source} =
976	"package $pkg; use strict; use utf8;\n"	1234	"package $pkg; use strict; use utf8;\n"
977	. "#line 1 \"$path\"\n{\n"	1235	. "#line 1 \"$path\"\n{\n"
978	. $source	1236	. $source
…		…
984	my %done;	1242	my %done;
985	while (%todo) {	1243	while (%todo) {
986	my $progress;	1244	my $progress;
987		1245
988	while (my ($k, $v) = each %todo) {	1246	while (my ($k, $v) = each %todo) {
989	for (split /,\s*/, $ext{meta}{depends}) {	1247	for (split /,\s*/, $v->{meta}{depends}) {
990	goto skip	1248	goto skip
991	unless exists $done{$_};	1249	unless exists $done{$_};
992	}	1250	}
993		1251
994	warn "... loading '$k' into '$v->{pkg}'\n";	1252	warn "... loading '$k' into '$v->{pkg}'\n";
995		1253
996	unless (eval $v->{source}) {	1254	unless (eval $v->{source}) {
997	my $msg = $@ ? "$v->{path}: $@\n"	1255	my $msg = $@ ? "$v->{path}: $@\n"
998	: "extension disabled.\n";	1256	: "$v->{base}: extension inactive.\n";
999		1257
1000	if (exists $v->{meta}{mandatory}) {	1258	if (exists $v->{meta}{mandatory}) {
1001	warn $msg;	1259	warn $msg;
1002	warn "mandatory extension failed to load, exiting.\n";	1260	warn "mandatory extension failed to load, exiting.\n";
1003	exit 1;	1261	exit 1;
1004	}	1262	}
1005		1263
1006	die $msg;	1264	warn $msg;
1007	}	1265	}
1008		1266
1009	$done{$k} = delete $todo{$k};	1267	$done{$k} = delete $todo{$k};
1010	push @EXTS, $v->{pkg};	1268	push @EXTS, $v->{pkg};
		1269	$progress = 1;
1011	}	1270	}
1012		1271
1013	skip:	1272	skip:
1014	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1273	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1015	unless $progress;	1274	unless $progress;
…		…
1017	};	1276	};
1018	}	1277	}
1019		1278
1020	#############################################################################	1279	#############################################################################
1021		1280
		1281	=back
		1282
1022	=head2 CORE EXTENSIONS	1283	=head2 CORE EXTENSIONS
1023		1284
1024	Functions and methods that extend core crossfire objects.	1285	Functions and methods that extend core crossfire objects.
1025		1286
1026	=cut	1287	=cut
…		…
1030	use Coro::AIO;	1291	use Coro::AIO;
1031		1292
1032	=head3 cf::player	1293	=head3 cf::player
1033		1294
1034	=over 4	1295	=over 4
		1296
		1297	=item cf::player::num_playing
		1298
		1299	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1300
		1301	=cut
		1302
		1303	sub num_playing {
		1304	scalar grep
		1305	$_->ob->map
		1306	&& !$_->hidden
		1307	&& !$_->ob->flag (cf::FLAG_WIZ),
		1308	cf::player::list
		1309	}
1035		1310
1036	=item cf::player::find $login	1311	=item cf::player::find $login
1037		1312
1038	Returns the given player object, loading it if necessary (might block).	1313	Returns the given player object, loading it if necessary (might block).
1039		1314
…		…
1075	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1350	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1076	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1351	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1077	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1352	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1078	aio_unlink +(playerdir $login) . "/$login.pl";	1353	aio_unlink +(playerdir $login) . "/$login.pl";
1079		1354
1080	my $pl = load_pl path $login	1355	my $f = new_from_file cf::object::thawer path $login
1081	or return;	1356	or return;
		1357
		1358	$f->next;
		1359	my $pl = cf::player::load_pl $f
		1360	or return;
		1361	local $cf::PLAYER_LOADING{$login} = $pl;
		1362	$f->resolve_delayed_derefs;
1082	$cf::PLAYER{$login} = $pl	1363	$cf::PLAYER{$login} = $pl
1083	}	1364	}
1084	}	1365	}
1085	}	1366	}
1086		1367
…		…
1096		1377
1097	aio_mkdir playerdir $pl, 0770;	1378	aio_mkdir playerdir $pl, 0770;
1098	$pl->{last_save} = $cf::RUNTIME;	1379	$pl->{last_save} = $cf::RUNTIME;
1099		1380
1100	$pl->save_pl ($path);	1381	$pl->save_pl ($path);
1101	Coro::cede;	1382	cf::cede_to_tick;
1102	}	1383	}
1103		1384
1104	sub new($) {	1385	sub new($) {
1105	my ($login) = @_;	1386	my ($login) = @_;
1106		1387
…		…
1110	$self->{deny_save} = 1;	1391	$self->{deny_save} = 1;
1111		1392
1112	$cf::PLAYER{$login} = $self;	1393	$cf::PLAYER{$login} = $self;
1113		1394
1114	$self	1395	$self
		1396	}
		1397
		1398	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1399
		1400	=cut
		1401
		1402	sub send_msg {
		1403	my $ns = shift->ns
		1404	or return;
		1405	$ns->send_msg (@_);
1115	}	1406	}
1116		1407
1117	=item $pl->quit_character	1408	=item $pl->quit_character
1118		1409
1119	Nukes the player without looking back. If logged in, the connection will	1410	Nukes the player without looking back. If logged in, the connection will
…		…
1174	or return [];	1465	or return [];
1175		1466
1176	my @logins;	1467	my @logins;
1177		1468
1178	for my $login (@$dirs) {	1469	for my $login (@$dirs) {
		1470	my $path = path $login;
		1471
		1472	# a .pst is a dead give-away for a valid player
		1473	unless (-e "$path.pst") {
1179	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1474	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1180	aio_read $fh, 0, 512, my $buf, 0 or next;	1475	aio_read $fh, 0, 512, my $buf, 0 or next;
1181	$buf !~ /^password -------------$/m or next; # official not-valid tag	1476	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1477	}
1182		1478
1183	utf8::decode $login;	1479	utf8::decode $login;
1184	push @logins, $login;	1480	push @logins, $login;
1185	}	1481	}
1186		1482
…		…
1213	}	1509	}
1214		1510
1215	\@paths	1511	\@paths
1216	}	1512	}
1217		1513
		1514	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1515
		1516	Expand crossfire pod fragments into protocol xml.
		1517
		1518	=cut
		1519
		1520	sub expand_cfpod {
		1521	((my $self), (local $_)) = @_;
		1522
		1523	# escape & and <
		1524	s/&/&amp;/g;
		1525	s/(?<![BIUGHT])</&lt;/g;
		1526
		1527	# this is buggy, it needs to properly take care of nested <'s
		1528
		1529	1 while
		1530	# replace B<>, I<>, U<> etc.
		1531	s/B<([^\>]*)>/<b>$1<\/b>/
		1532	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1533	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1534	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1535	# replace G<male|female> tags
		1536	|| s{G<([^>|]*)\|([^>]*)>}{
		1537	$self->gender ? $2 : $1
		1538	}ge
		1539	# replace H<hint text>
		1540	|| s{H<([^\>]*)>}
		1541	{
		1542	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1543	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1544	"")
		1545	[$self->{hintmode}]
		1546	}ge;
		1547
		1548	# create single paragraphs (very hackish)
		1549	s/(?<=\S)\n(?=\w)/ /g;
		1550
		1551	# compress some whitespace
		1552	s/\s+\n/\n/g; # ws line-ends
		1553	s/\n\n+/\n/g; # double lines
		1554	s/^\n+//; # beginning lines
		1555	s/\n+$//; # ending lines
		1556
		1557	$_
		1558	}
		1559
		1560	sub hintmode {
		1561	$_[0]{hintmode} = $_[1] if @_ > 1;
		1562	$_[0]{hintmode}
		1563	}
		1564
1218	=item $player->ext_reply ($msgid, %msg)	1565	=item $player->ext_reply ($msgid, @msg)
1219		1566
1220	Sends an ext reply to the player.	1567	Sends an ext reply to the player.
1221		1568
1222	=cut	1569	=cut
1223		1570
1224	sub ext_reply($$%) {	1571	sub ext_reply($$@) {
1225	my ($self, $id, %msg) = @_;	1572	my ($self, $id, @msg) = @_;
1226		1573
1227	$msg{msgid} = $id;	1574	$self->ns->ext_reply ($id, @msg)
1228
1229	$self->send ("ext " . cf::to_json \%msg);
1230	}	1575	}
1231		1576
1232	=item $player->ext_event ($type, %msg)	1577	=item $player->ext_msg ($type, @msg)
1233		1578
1234	Sends an ext event to the client.	1579	Sends an ext event to the client.
1235		1580
1236	=cut	1581	=cut
1237		1582
1238	sub ext_event($$%) {	1583	sub ext_msg($$@) {
1239	my ($self, $type, %msg) = @_;	1584	my ($self, $type, @msg) = @_;
1240		1585
1241	$self->ns->ext_event ($type, %msg);	1586	$self->ns->ext_msg ($type, @msg);
1242	}	1587	}
1243		1588
1244	=head3 cf::region	1589	=head3 cf::region
1245		1590
1246	=over 4	1591	=over 4
…		…
1249		1594
1250	package cf::region;	1595	package cf::region;
1251		1596
1252	=item cf::region::find_by_path $path	1597	=item cf::region::find_by_path $path
1253		1598
1254	Tries to decuce the probable region for a map knowing only its path.	1599	Tries to decuce the likely region for a map knowing only its path.
1255		1600
1256	=cut	1601	=cut
1257		1602
1258	sub find_by_path($) {	1603	sub find_by_path($) {
1259	my ($path) = @_;	1604	my ($path) = @_;
1260		1605
1261	my ($match, $specificity);	1606	my ($match, $specificity);
1262		1607
1263	for my $region (list) {	1608	for my $region (list) {
1264	if ($region->match && $path =~ $region->match) {	1609	if ($region->{match} && $path =~ $region->{match}) {
1265	($match, $specificity) = ($region, $region->specificity)	1610	($match, $specificity) = ($region, $region->specificity)
1266	if $region->specificity > $specificity;	1611	if $region->specificity > $specificity;
1267	}	1612	}
1268	}	1613	}
1269		1614
…		…
1389	$self->init; # pass $1 etc.	1734	$self->init; # pass $1 etc.
1390	return $self;	1735	return $self;
1391	}	1736	}
1392	}	1737	}
1393		1738
1394	Carp::carp "unable to resolve path '$path' (base '$base').";	1739	Carp::cluck "unable to resolve path '$path' (base '$base').";
1395	()	1740	()
1396	}	1741	}
1397		1742
1398	sub init {	1743	sub init {
1399	my ($self) = @_;	1744	my ($self) = @_;
…		…
1462		1807
1463	sub load_header_from($) {	1808	sub load_header_from($) {
1464	my ($self, $path) = @_;	1809	my ($self, $path) = @_;
1465		1810
1466	utf8::encode $path;	1811	utf8::encode $path;
1467	#aio_open $path, O_RDONLY, 0	1812	my $f = new_from_file cf::object::thawer $path
1468	# or return;
1469
1470	$self->_load_header ($path)
1471	or return;	1813	or return;
		1814
		1815	$self->_load_header ($f)
		1816	or return;
		1817
		1818	local $MAP_LOADING{$self->{path}} = $self;
		1819	$f->resolve_delayed_derefs;
1472		1820
1473	$self->{load_path} = $path;	1821	$self->{load_path} = $path;
1474		1822
1475	1	1823	1
1476	}	1824	}
…		…
1530	sub find {	1878	sub find {
1531	my ($path, $origin) = @_;	1879	my ($path, $origin) = @_;
1532		1880
1533	$path = normalise $path, $origin && $origin->path;	1881	$path = normalise $path, $origin && $origin->path;
1534		1882
		1883	cf::lock_wait "map_data:$path";#d#remove
1535	cf::lock_wait "map_find:$path";	1884	cf::lock_wait "map_find:$path";
1536		1885
1537	$cf::MAP{$path} || do {	1886	$cf::MAP{$path} || do {
1538	my $guard = cf::lock_acquire "map_find:$path";	1887	my $guard1 = cf::lock_acquire "map_find:$path";
		1888	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1889
1539	my $map = new_from_path cf::map $path	1890	my $map = new_from_path cf::map $path
1540	or return;	1891	or return;
1541		1892
1542	$map->{last_save} = $cf::RUNTIME;	1893	$map->{last_save} = $cf::RUNTIME;
1543		1894
…		…
1545	or return;	1896	or return;
1546		1897
1547	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1898	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1548	# doing this can freeze the server in a sync job, obviously	1899	# doing this can freeze the server in a sync job, obviously
1549	#$cf::WAIT_FOR_TICK->wait;	1900	#$cf::WAIT_FOR_TICK->wait;
		1901	undef $guard1;
		1902	undef $guard2;
1550	$map->reset;	1903	$map->reset;
1551	undef $guard;
1552	return find $path;	1904	return find $path;
1553	}	1905	}
1554		1906
1555	$cf::MAP{$path} = $map	1907	$cf::MAP{$path} = $map
1556	}	1908	}
…		…
1565	local $self->{deny_reset} = 1; # loading can take a long time	1917	local $self->{deny_reset} = 1; # loading can take a long time
1566		1918
1567	my $path = $self->{path};	1919	my $path = $self->{path};
1568		1920
1569	{	1921	{
1570	my $guard = cf::lock_acquire "map_load:$path";	1922	my $guard = cf::lock_acquire "map_data:$path";
1571		1923
		1924	return unless $self->valid;
1572	return if $self->in_memory != cf::MAP_SWAPPED;	1925	return unless $self->in_memory == cf::MAP_SWAPPED;
1573		1926
1574	$self->in_memory (cf::MAP_LOADING);	1927	$self->in_memory (cf::MAP_LOADING);
1575		1928
1576	$self->alloc;	1929	$self->alloc;
1577		1930
1578	$self->pre_load;	1931	$self->pre_load;
1579	Coro::cede;	1932	cf::cede_to_tick;
1580		1933
		1934	my $f = new_from_file cf::object::thawer $self->{load_path};
		1935	$f->skip_block;
1581	$self->_load_objects ($self->{load_path}, 1)	1936	$self->_load_objects ($f)
1582	or return;	1937	or return;
1583		1938
1584	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1939	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1585	if delete $self->{load_original};	1940	if delete $self->{load_original};
1586		1941
1587	if (my $uniq = $self->uniq_path) {	1942	if (my $uniq = $self->uniq_path) {
1588	utf8::encode $uniq;	1943	utf8::encode $uniq;
1589	if (aio_open $uniq, O_RDONLY, 0) {	1944	unless (aio_stat $uniq) {
		1945	if (my $f = new_from_file cf::object::thawer $uniq) {
1590	$self->clear_unique_items;	1946	$self->clear_unique_items;
1591	$self->_load_objects ($uniq, 0);	1947	$self->_load_objects ($f);
		1948	$f->resolve_delayed_derefs;
		1949	}
1592	}	1950	}
1593	}	1951	}
1594		1952
1595	Coro::cede;	1953	$f->resolve_delayed_derefs;
		1954
		1955	cf::cede_to_tick;
1596	# now do the right thing for maps	1956	# now do the right thing for maps
1597	$self->link_multipart_objects;	1957	$self->link_multipart_objects;
1598	$self->difficulty ($self->estimate_difficulty)	1958	$self->difficulty ($self->estimate_difficulty)
1599	unless $self->difficulty;	1959	unless $self->difficulty;
1600	Coro::cede;	1960	cf::cede_to_tick;
1601		1961
1602	unless ($self->{deny_activate}) {	1962	unless ($self->{deny_activate}) {
1603	$self->decay_objects;	1963	$self->decay_objects;
1604	$self->fix_auto_apply;	1964	$self->fix_auto_apply;
1605	$self->update_buttons;	1965	$self->update_buttons;
1606	Coro::cede;	1966	cf::cede_to_tick;
1607	$self->set_darkness_map;	1967	$self->set_darkness_map;
1608	Coro::cede;	1968	cf::cede_to_tick;
1609	$self->activate;	1969	$self->activate;
1610	}	1970	}
		1971
		1972	$self->{last_save} = $cf::RUNTIME;
		1973	$self->last_access ($cf::RUNTIME);
1611		1974
1612	$self->in_memory (cf::MAP_IN_MEMORY);	1975	$self->in_memory (cf::MAP_IN_MEMORY);
1613	}	1976	}
1614		1977
1615	$self->post_load;	1978	$self->post_load;
…		…
1626		1989
1627	$self	1990	$self
1628	}	1991	}
1629		1992
1630	# find and load all maps in the 3x3 area around a map	1993	# find and load all maps in the 3x3 area around a map
1631	sub load_diag {	1994	sub load_neighbours {
1632	my ($map) = @_;	1995	my ($map) = @_;
1633		1996
1634	my @diag; # diagonal neighbours	1997	my @neigh; # diagonal neighbours
1635		1998
1636	for (0 .. 3) {	1999	for (0 .. 3) {
1637	my $neigh = $map->tile_path ($_)	2000	my $neigh = $map->tile_path ($_)
1638	or next;	2001	or next;
1639	$neigh = find $neigh, $map	2002	$neigh = find $neigh, $map
1640	or next;	2003	or next;
1641	$neigh->load;	2004	$neigh->load;
1642		2005
		2006	push @neigh,
1643	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2007	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1644	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2008	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1645	}	2009	}
1646		2010
1647	for (@diag) {	2011	for (grep defined $_->[0], @neigh) {
		2012	my ($path, $origin) = @$_;
1648	my $neigh = find @$_	2013	my $neigh = find $path, $origin
1649	or next;	2014	or next;
1650	$neigh->load;	2015	$neigh->load;
1651	}	2016	}
1652	}	2017	}
1653		2018
…		…
1658	}	2023	}
1659		2024
1660	sub do_load_sync {	2025	sub do_load_sync {
1661	my ($map) = @_;	2026	my ($map) = @_;
1662		2027
		2028	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2029	if $Coro::current == $Coro::main;
		2030
1663	cf::sync_job { $map->load };	2031	cf::sync_job { $map->load };
1664	}	2032	}
1665		2033
1666	our %MAP_PREFETCH;	2034	our %MAP_PREFETCH;
1667	our $MAP_PREFETCHER = undef;	2035	our $MAP_PREFETCHER = undef;
1668		2036
1669	sub find_async {	2037	sub find_async {
1670	my ($path, $origin) = @_;	2038	my ($path, $origin, $load) = @_;
1671		2039
1672	$path = normalise $path, $origin && $origin->{path};	2040	$path = normalise $path, $origin && $origin->{path};
1673		2041
1674	if (my $map = $cf::MAP{$path}) {	2042	if (my $map = $cf::MAP{$path}) {
1675	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2043	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1676	}	2044	}
1677		2045
1678	undef $MAP_PREFETCH{$path};	2046	$MAP_PREFETCH{$path} |= $load;
		2047
1679	$MAP_PREFETCHER ||= cf::async {	2048	$MAP_PREFETCHER ||= cf::async {
1680	while (%MAP_PREFETCH) {	2049	while (%MAP_PREFETCH) {
1681	for my $path (keys %MAP_PREFETCH) {	2050	while (my ($k, $v) = each %MAP_PREFETCH) {
1682	my $map = find $path	2051	if (my $map = find $k) {
1683	or next;
1684	$map->load;	2052	$map->load if $v;
		2053	}
1685		2054
1686	delete $MAP_PREFETCH{$path};	2055	delete $MAP_PREFETCH{$k};
1687	}	2056	}
1688	}	2057	}
1689	undef $MAP_PREFETCHER;	2058	undef $MAP_PREFETCHER;
1690	};	2059	};
1691	$MAP_PREFETCHER->prio (6);	2060	$MAP_PREFETCHER->prio (6);
…		…
1694	}	2063	}
1695		2064
1696	sub save {	2065	sub save {
1697	my ($self) = @_;	2066	my ($self) = @_;
1698		2067
1699	my $lock = cf::lock_acquire "map_data:" . $self->path;	2068	my $lock = cf::lock_acquire "map_data:$self->{path}";
1700		2069
1701	$self->{last_save} = $cf::RUNTIME;	2070	$self->{last_save} = $cf::RUNTIME;
1702		2071
1703	return unless $self->dirty;	2072	return unless $self->dirty;
1704		2073
…		…
1727	my ($self) = @_;	2096	my ($self) = @_;
1728		2097
1729	# save first because save cedes	2098	# save first because save cedes
1730	$self->save;	2099	$self->save;
1731		2100
1732	my $lock = cf::lock_acquire "map_data:" . $self->path;	2101	my $lock = cf::lock_acquire "map_data:$self->{path}";
1733		2102
1734	return if $self->players;	2103	return if $self->players;
1735	return if $self->in_memory != cf::MAP_IN_MEMORY;	2104	return if $self->in_memory != cf::MAP_IN_MEMORY;
1736	return if $self->{deny_save};	2105	return if $self->{deny_save};
1737		2106
		2107	$self->in_memory (cf::MAP_SWAPPED);
		2108
		2109	$self->deactivate;
		2110	$_->clear_links_to ($self) for values %cf::MAP;
1738	$self->clear;	2111	$self->clear;
1739	$self->in_memory (cf::MAP_SWAPPED);
1740	}	2112	}
1741		2113
1742	sub reset_at {	2114	sub reset_at {
1743	my ($self) = @_;	2115	my ($self) = @_;
1744		2116
…		…
1776	if $uniq;	2148	if $uniq;
1777	}	2149	}
1778		2150
1779	delete $cf::MAP{$self->path};	2151	delete $cf::MAP{$self->path};
1780		2152
		2153	$self->deactivate;
		2154	$_->clear_links_to ($self) for values %cf::MAP;
1781	$self->clear;	2155	$self->clear;
1782
1783	$_->clear_links_to ($self) for values %cf::MAP;
1784		2156
1785	$self->unlink_save;	2157	$self->unlink_save;
1786	$self->destroy;	2158	$self->destroy;
1787	}	2159	}
1788		2160
1789	my $nuke_counter = "aaaa";	2161	my $nuke_counter = "aaaa";
1790		2162
1791	sub nuke {	2163	sub nuke {
1792	my ($self) = @_;	2164	my ($self) = @_;
1793		2165
		2166	{
		2167	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2168
1794	delete $cf::MAP{$self->path};	2169	delete $cf::MAP{$self->path};
1795		2170
1796	$self->unlink_save;	2171	$self->unlink_save;
1797		2172
1798	bless $self, "cf::map";	2173	bless $self, "cf::map";
1799	delete $self->{deny_reset};	2174	delete $self->{deny_reset};
1800	$self->{deny_save} = 1;	2175	$self->{deny_save} = 1;
1801	$self->reset_timeout (1);	2176	$self->reset_timeout (1);
1802	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2177	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1803		2178
1804	$cf::MAP{$self->path} = $self;	2179	$cf::MAP{$self->path} = $self;
		2180	}
1805		2181
1806	$self->reset; # polite request, might not happen	2182	$self->reset; # polite request, might not happen
1807	}	2183	}
1808		2184
1809	=item $maps = cf::map::tmp_maps	2185	=item $maps = cf::map::tmp_maps
…		…
1885		2261
1886	sub inv_recursive {	2262	sub inv_recursive {
1887	inv_recursive_ inv $_[0]	2263	inv_recursive_ inv $_[0]
1888	}	2264	}
1889		2265
		2266	=item $ref = $ob->ref
		2267
		2268	creates and returns a persistent reference to an objetc that can be stored as a string.
		2269
		2270	=item $ob = cf::object::deref ($refstring)
		2271
		2272	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2273	even if the object actually exists. May block.
		2274
		2275	=cut
		2276
		2277	sub deref {
		2278	my ($ref) = @_;
		2279
		2280	# temporary compatibility#TODO#remove
		2281	$ref =~ s{^<}{player/<};
		2282
		2283	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2284	my ($uuid, $name) = ($1, $2);
		2285	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2286	or return;
		2287	$pl->ob->uuid eq $uuid
		2288	or return;
		2289
		2290	$pl->ob
		2291	} else {
		2292	warn "$ref: cannot resolve object reference\n";
		2293	undef
		2294	}
		2295	}
		2296
1890	package cf;	2297	package cf;
1891		2298
1892	=back	2299	=back
1893		2300
1894	=head3 cf::object::player	2301	=head3 cf::object::player
…		…
1911		2318
1912	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2319	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1913		2320
1914	if ($self->{record_replies}) {	2321	if ($self->{record_replies}) {
1915	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2322	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2323
1916	} else {	2324	} else {
		2325	my $pl = $self->contr;
		2326
		2327	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2328	my $dialog = $pl->{npc_dialog};
		2329	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2330
		2331	} else {
1917	$msg = $npc->name . " says: $msg" if $npc;	2332	$msg = $npc->name . " says: $msg" if $npc;
1918	$self->message ($msg, $flags);	2333	$self->message ($msg, $flags);
		2334	}
1919	}	2335	}
		2336	}
		2337
		2338	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2339
		2340	=cut
		2341
		2342	sub cf::object::send_msg {
		2343	my $pl = shift->contr
		2344	or return;
		2345	$pl->send_msg (@_);
1920	}	2346	}
1921		2347
1922	=item $player_object->may ("access")	2348	=item $player_object->may ("access")
1923		2349
1924	Returns wether the given player is authorized to access resource "access"	2350	Returns wether the given player is authorized to access resource "access"
…		…
2003	# use -1 or undef as default coordinates, not 0, 0	2429	# use -1 or undef as default coordinates, not 0, 0
2004	($x, $y) = ($map->enter_x, $map->enter_y)	2430	($x, $y) = ($map->enter_x, $map->enter_y)
2005	if $x <=0 && $y <= 0;	2431	if $x <=0 && $y <= 0;
2006		2432
2007	$map->load;	2433	$map->load;
2008	$map->load_diag;	2434	$map->load_neighbours;
2009		2435
2010	return unless $self->contr->active;	2436	return unless $self->contr->active;
2011	$self->activate_recursive;	2437	$self->activate_recursive;
2012		2438
2013	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2439	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2014	$self->enter_map ($map, $x, $y);	2440	$self->enter_map ($map, $x, $y);
2015	}	2441	}
2016		2442
2017	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2443	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2018		2444
2019	Moves the player to the given map-path and coordinates by first freezing	2445	Moves the player to the given map-path and coordinates by first freezing
2020	her, loading and preparing them map, calling the provided $check callback	2446	her, loading and preparing them map, calling the provided $check callback
2021	that has to return the map if sucecssful, and then unfreezes the player on	2447	that has to return the map if sucecssful, and then unfreezes the player on
2022	the new (success) or old (failed) map position.	2448	the new (success) or old (failed) map position. In either case, $done will
		2449	be called at the end of this process.
2023		2450
2024	=cut	2451	=cut
2025		2452
2026	our $GOTOGEN;	2453	our $GOTOGEN;
2027		2454
2028	sub cf::object::player::goto {	2455	sub cf::object::player::goto {
2029	my ($self, $path, $x, $y, $check) = @_;	2456	my ($self, $path, $x, $y, $check, $done) = @_;
2030		2457
2031	# do generation counting so two concurrent goto's will be executed in-order	2458	# do generation counting so two concurrent goto's will be executed in-order
2032	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2459	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2033		2460
2034	$self->enter_link;	2461	$self->enter_link;
2035		2462
2036	(async {	2463	(async {
		2464	# *tag paths override both path and x|y
		2465	if ($path =~ /^\*(.*)$/) {
		2466	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2467	my $ob = $obs[rand @obs];
		2468
		2469	# see if we actually can go there
		2470	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2471	$ob = $obs[rand @obs];
		2472	} else {
		2473	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2474	}
		2475	# else put us there anyways for now #d#
		2476
		2477	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2478	} else {
		2479	($path, $x, $y) = (undef, undef, undef);
		2480	}
		2481	}
		2482
2037	my $map = eval {	2483	my $map = eval {
2038	my $map = cf::map::find $path;	2484	my $map = defined $path ? cf::map::find $path : undef;
2039		2485
2040	if ($map) {	2486	if ($map) {
2041	$map = $map->customise_for ($self);	2487	$map = $map->customise_for ($self);
2042	$map = $check->($map) if $check && $map;	2488	$map = $check->($map) if $check && $map;
2043	} else {	2489	} else {
2044	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2490	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2045	}	2491	}
2046		2492
2047	$map	2493	$map
2048	};	2494	};
2049		2495
…		…
2054		2500
2055	if ($gen == $self->{_goto_generation}) {	2501	if ($gen == $self->{_goto_generation}) {
2056	delete $self->{_goto_generation};	2502	delete $self->{_goto_generation};
2057	$self->leave_link ($map, $x, $y);	2503	$self->leave_link ($map, $x, $y);
2058	}	2504	}
		2505
		2506	$done->() if $done;
2059	})->prio (1);	2507	})->prio (1);
2060	}	2508	}
2061		2509
2062	=item $player_object->enter_exit ($exit_object)	2510	=item $player_object->enter_exit ($exit_object)
2063		2511
…		…
2132	my $hp = $exit->stats->hp;	2580	my $hp = $exit->stats->hp;
2133	my $sp = $exit->stats->sp;	2581	my $sp = $exit->stats->sp;
2134		2582
2135	$self->enter_link;	2583	$self->enter_link;
2136		2584
		2585	# if exit is damned, update players death & WoR home-position
		2586	$self->contr->savebed ($slaying, $hp, $sp)
		2587	if $exit->flag (FLAG_DAMNED);
		2588
2137	(async {	2589	(async {
2138	$self->deactivate_recursive; # just to be sure	2590	$self->deactivate_recursive; # just to be sure
2139	unless (eval {	2591	unless (eval {
2140	$self->goto ($slaying, $hp, $sp);	2592	$self->goto ($slaying, $hp, $sp);
2141		2593
…		…
2168		2620
2169	utf8::encode $text;	2621	utf8::encode $text;
2170	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2622	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2171	}	2623	}
2172		2624
		2625	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2626
		2627	Send a drawinfo or msg packet to the client, formatting the msg for the
		2628	client if neccessary. C<$type> should be a string identifying the type of
		2629	the message, with C<log> being the default. If C<$color> is negative, suppress
		2630	the message unless the client supports the msg packet.
		2631
		2632	=cut
		2633
		2634	our %CHANNEL = (
		2635	"c/identify" => {
		2636	id => "identify",
		2637	title => "Identify",
		2638	reply => undef,
		2639	tooltip => "Items recently identified",
		2640	},
		2641	"c/examine" => {
		2642	id => "examine",
		2643	title => "Examine",
		2644	reply => undef,
		2645	tooltip => "Signs and other items you examined",
		2646	},
		2647	);
		2648
		2649	sub cf::client::send_msg {
		2650	my ($self, $channel, $msg, $color, @extra) = @_;
		2651
		2652	$msg = $self->pl->expand_cfpod ($msg);
		2653
		2654	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2655
		2656	# check predefined channels, for the benefit of C
		2657	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2658
		2659	if (ref $channel) {
		2660	# send meta info to client, if not yet sent
		2661	unless (exists $self->{channel}{$channel->{id}}) {
		2662	$self->{channel}{$channel->{id}} = $channel;
		2663	$self->ext_msg (channel_info => $channel)
		2664	if $self->can_msg;
		2665	}
		2666
		2667	$channel = $channel->{id};
		2668	}
		2669
		2670	return unless @extra || length $msg;
		2671
		2672	if ($self->can_msg) {
		2673	# default colour, mask it out
		2674	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2675	if $color & cf::NDI_DEF;
		2676
		2677	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2678	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2679	} else {
		2680	if ($color >= 0) {
		2681	# replace some tags by gcfclient-compatible ones
		2682	for ($msg) {
		2683	1 while
		2684	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2685	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2686	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2687	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2688	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2689	}
		2690
		2691	$color &= cf::NDI_COLOR_MASK;
		2692
		2693	utf8::encode $msg;
		2694
		2695	if (0 && $msg =~ /\[/) {
		2696	# COMMAND/INFO
		2697	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2698	} else {
		2699	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2700	$self->send_packet ("drawinfo $color $msg")
		2701	}
		2702	}
		2703	}
		2704	}
		2705
2173	=item $client->ext_event ($type, %msg)	2706	=item $client->ext_msg ($type, @msg)
2174		2707
2175	Sends an exti event to the client.	2708	Sends an ext event to the client.
2176		2709
2177	=cut	2710	=cut
2178		2711
2179	sub cf::client::ext_event($$%) {	2712	sub cf::client::ext_msg($$@) {
2180	my ($self, $type, %msg) = @_;	2713	my ($self, $type, @msg) = @_;
2181		2714
		2715	if ($self->extcmd == 2) {
		2716	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2717	} elsif ($self->extcmd == 1) { # TODO: remove
2182	$msg{msgtype} = "event_$type";	2718	push @msg, msgtype => "event_$type";
2183	$self->send_packet ("ext " . cf::to_json \%msg);	2719	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2720	}
		2721	}
		2722
		2723	=item $client->ext_reply ($msgid, @msg)
		2724
		2725	Sends an ext reply to the client.
		2726
		2727	=cut
		2728
		2729	sub cf::client::ext_reply($$@) {
		2730	my ($self, $id, @msg) = @_;
		2731
		2732	if ($self->extcmd == 2) {
		2733	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2734	} elsif ($self->extcmd == 1) {
		2735	#TODO: version 1, remove
		2736	unshift @msg, msgtype => "reply", msgid => $id;
		2737	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2738	}
2184	}	2739	}
2185		2740
2186	=item $success = $client->query ($flags, "text", \&cb)	2741	=item $success = $client->query ($flags, "text", \&cb)
2187		2742
2188	Queues a query to the client, calling the given callback with	2743	Queues a query to the client, calling the given callback with
2189	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2744	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2190	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2745	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2191		2746
2192	Queries can fail, so check the return code. Or don't, as queries will become	2747	Queries can fail, so check the return code. Or don't, as queries will
2193	reliable at some point in the future.	2748	become reliable at some point in the future.
2194		2749
2195	=cut	2750	=cut
2196		2751
2197	sub cf::client::query {	2752	sub cf::client::query {
2198	my ($self, $flags, $text, $cb) = @_;	2753	my ($self, $flags, $text, $cb) = @_;
…		…
2206	utf8::encode $text;	2761	utf8::encode $text;
2207	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2762	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2208		2763
2209	$self->send_packet ($self->{query_queue}[0][0])	2764	$self->send_packet ($self->{query_queue}[0][0])
2210	if @{ $self->{query_queue} } == 1;	2765	if @{ $self->{query_queue} } == 1;
		2766
		2767	1
2211	}	2768	}
2212		2769
2213	cf::client->attach (	2770	cf::client->attach (
		2771	on_connect => sub {
		2772	my ($ns) = @_;
		2773
		2774	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2775	},
2214	on_reply => sub {	2776	on_reply => sub {
2215	my ($ns, $msg) = @_;	2777	my ($ns, $msg) = @_;
2216		2778
2217	# this weird shuffling is so that direct followup queries	2779	# this weird shuffling is so that direct followup queries
2218	# get handled first	2780	# get handled first
…		…
2230	} else {	2792	} else {
2231	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2793	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2232	}	2794	}
2233	}	2795	}
2234	},	2796	},
		2797	on_exticmd => sub {
		2798	my ($ns, $buf) = @_;
		2799
		2800	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2801
		2802	if (ref $msg) {
		2803	my ($type, $reply, @payload) =
		2804	"ARRAY" eq ref $msg
		2805	? @$msg
		2806	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2807
		2808	my @reply;
		2809
		2810	if (my $cb = $EXTICMD{$type}) {
		2811	@reply = $cb->($ns, @payload);
		2812	}
		2813
		2814	$ns->ext_reply ($reply, @reply)
		2815	if $reply;
		2816
		2817	} else {
		2818	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2819	}
		2820
		2821	cf::override;
		2822	},
2235	);	2823	);
2236		2824
2237	=item $client->async (\&cb)	2825	=item $client->async (\&cb)
2238		2826
2239	Create a new coroutine, running the specified callback. The coroutine will	2827	Create a new coroutine, running the specified callback. The coroutine will
…		…
2280	our $safe = new Safe "safe";	2868	our $safe = new Safe "safe";
2281	our $safe_hole = new Safe::Hole;	2869	our $safe_hole = new Safe::Hole;
2282		2870
2283	$SIG{FPE} = 'IGNORE';	2871	$SIG{FPE} = 'IGNORE';
2284		2872
2285	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2873	$safe->permit_only (Opcode::opset qw(
		2874	:base_core :base_mem :base_orig :base_math
		2875	grepstart grepwhile mapstart mapwhile
		2876	sort time
		2877	));
2286		2878
2287	# here we export the classes and methods available to script code	2879	# here we export the classes and methods available to script code
2288		2880
2289	=pod	2881	=pod
2290		2882
2291	The following functions and methods are available within a safe environment:	2883	The following functions and methods are available within a safe environment:
2292		2884
2293	cf::object contr pay_amount pay_player map	2885	cf::object
		2886	contr pay_amount pay_player map x y force_find force_add
		2887	insert remove name archname title slaying race decrease_ob_nr
		2888
2294	cf::object::player player	2889	cf::object::player
2295	cf::player peaceful	2890	player
2296	cf::map trigger	2891
		2892	cf::player
		2893	peaceful
		2894
		2895	cf::map
		2896	trigger
2297		2897
2298	=cut	2898	=cut
2299		2899
2300	for (	2900	for (
2301	["cf::object" => qw(contr pay_amount pay_player map)],	2901	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2902	insert remove inv name archname title slaying race
		2903	decrease_ob_nr)],
2302	["cf::object::player" => qw(player)],	2904	["cf::object::player" => qw(player)],
2303	["cf::player" => qw(peaceful)],	2905	["cf::player" => qw(peaceful)],
2304	["cf::map" => qw(trigger)],	2906	["cf::map" => qw(trigger)],
2305	) {	2907	) {
2306	no strict 'refs';	2908	no strict 'refs';
…		…
2377	=back	2979	=back
2378		2980
2379	=cut	2981	=cut
2380		2982
2381	#############################################################################	2983	#############################################################################
2382
2383	=head2 EXTENSION DATABASE SUPPORT
2384
2385	Crossfire maintains a very simple database for extension use. It can
2386	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2387	convert to/from binary).
2388
2389	The parameter C<$family> should best start with the name of the extension
2390	using it, it should be unique.
2391
2392	=over 4
2393
2394	=item $value = cf::db_get $family => $key
2395
2396	Returns a single value from the database.
2397
2398	=item cf::db_put $family => $key => $value
2399
2400	Stores the given C<$value> in the family.
2401
2402	=cut
2403
2404	our $DB;
2405
2406	sub db_init {
2407	unless ($DB) {
2408	$DB = BDB::db_create $DB_ENV;
2409
2410	cf::sync_job {
2411	eval {
2412	$DB->set_flags (BDB::CHKSUM);
2413
2414	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2415	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2416	cf::cleanup "db_open(db): $!" if $!;
2417	};
2418	cf::cleanup "db_open(db): $@" if $@;
2419	};
2420	}
2421	}
2422
2423	sub db_get($$) {
2424	my $key = "$_[0]/$_[1]";
2425
2426	cf::sync_job {
2427	BDB::db_get $DB, undef, $key, my $data;
2428
2429	$! ? ()
2430	: $data
2431	}
2432	}
2433
2434	sub db_put($$$) {
2435	BDB::dbreq_pri 4;
2436	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2437	}
2438
2439	=item cf::cache $id => [$paths...], $processversion => $process
2440
2441	Generic caching function that returns the value of the resource $id,
2442	caching and regenerating as required.
2443
2444	This function can block.
2445
2446	=cut
2447
2448	sub cache {
2449	my ($id, $src, $processversion, $process) = @_;
2450
2451	my $meta =
2452	join "\x00",
2453	$processversion,
2454	map {
2455	aio_stat $_
2456	and Carp::croak "$_: $!";
2457
2458	($_, (stat _)[7,9])
2459	} @$src;
2460
2461	my $dbmeta = db_get cache => "$id/meta";
2462	if ($dbmeta ne $meta) {
2463	# changed, we may need to process
2464
2465	my @data;
2466	my $md5;
2467
2468	for (0 .. $#$src) {
2469	0 <= aio_load $src->[$_], $data[$_]
2470	or Carp::croak "$src->[$_]: $!";
2471	}
2472
2473	# if processing is expensive, check
2474	# checksum first
2475	if (1) {
2476	$md5 =
2477	join "\x00",
2478	$processversion,
2479	map {
2480	Coro::cede;
2481	($src->[$_], Digest::MD5::md5_hex $data[$_])
2482	} 0.. $#$src;
2483
2484
2485	my $dbmd5 = db_get cache => "$id/md5";
2486	if ($dbmd5 eq $md5) {
2487	db_put cache => "$id/meta", $meta;
2488
2489	return db_get cache => "$id/data";
2490	}
2491	}
2492
2493	my $t1 = Time::HiRes::time;
2494	my $data = $process->(\@data);
2495	my $t2 = Time::HiRes::time;
2496
2497	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2498
2499	db_put cache => "$id/data", $data;
2500	db_put cache => "$id/md5" , $md5;
2501	db_put cache => "$id/meta", $meta;
2502
2503	return $data;
2504	}
2505
2506	db_get cache => "$id/data"
2507	}
2508
2509	=item fork_call { }, $args
2510
2511	Executes the given code block with the given arguments in a seperate
2512	process, returning the results. Everything must be serialisable with
2513	Coro::Storable. May, of course, block. Note that the executed sub may
2514	never block itself or use any form of Event handling.
2515
2516	=cut
2517
2518	sub fork_call(&@) {
2519	my ($cb, @args) = @_;
2520
2521	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2522	# or die "socketpair: $!";
2523	pipe my $fh1, my $fh2
2524	or die "pipe: $!";
2525
2526	if (my $pid = fork) {
2527	close $fh2;
2528
2529	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2530	$res = Coro::Storable::thaw $res;
2531
2532	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2533
2534	die $$res unless "ARRAY" eq ref $res;
2535
2536	return wantarray ? @$res : $res->[-1];
2537	} else {
2538	reset_signals;
2539	local $SIG{__WARN__};
2540	local $SIG{__DIE__};
2541	eval {
2542	close $fh1;
2543
2544	my @res = eval { $cb->(@args) };
2545	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2546	};
2547
2548	warn $@ if $@;
2549	_exit 0;
2550	}
2551	}
2552
2553	#############################################################################
2554	# the server's init and main functions	2984	# the server's init and main functions
2555		2985
2556	sub load_facedata($) {	2986	sub load_facedata($) {
2557	my ($path) = @_;	2987	my ($path) = @_;
		2988
		2989	# HACK to clear player env face cache, we need some signal framework
		2990	# for this (global event?)
		2991	%ext::player_env::MUSIC_FACE_CACHE = ();
		2992
		2993	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2558		2994
2559	warn "loading facedata from $path\n";	2995	warn "loading facedata from $path\n";
2560		2996
2561	my $facedata;	2997	my $facedata;
2562	0 < aio_load $path, $facedata	2998	0 < aio_load $path, $facedata
…		…
2565	$facedata = Coro::Storable::thaw $facedata;	3001	$facedata = Coro::Storable::thaw $facedata;
2566		3002
2567	$facedata->{version} == 2	3003	$facedata->{version} == 2
2568	or cf::cleanup "$path: version mismatch, cannot proceed.";	3004	or cf::cleanup "$path: version mismatch, cannot proceed.";
2569		3005
		3006	# patch in the exptable
		3007	$facedata->{resource}{"res/exp_table"} = {
		3008	type => FT_RSRC,
		3009	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3010	};
		3011	cf::cede_to_tick;
		3012
2570	{	3013	{
2571	my $faces = $facedata->{faceinfo};	3014	my $faces = $facedata->{faceinfo};
2572		3015
2573	while (my ($face, $info) = each %$faces) {	3016	while (my ($face, $info) = each %$faces) {
2574	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3017	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2575	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3018	cf::face::set_visibility $idx, $info->{visibility};
		3019	cf::face::set_magicmap $idx, $info->{magicmap};
2576	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3020	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2577	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3021	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2578	Coro::cede;	3022
		3023	cf::cede_to_tick;
2579	}	3024	}
2580		3025
2581	while (my ($face, $info) = each %$faces) {	3026	while (my ($face, $info) = each %$faces) {
2582	next unless $info->{smooth};	3027	next unless $info->{smooth};
2583	my $idx = cf::face::find $face	3028	my $idx = cf::face::find $face
2584	or next;	3029	or next;
2585	if (my $smooth = cf::face::find $info->{smooth}) {	3030	if (my $smooth = cf::face::find $info->{smooth}) {
		3031	cf::face::set_smooth $idx, $smooth;
2586	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3032	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2587	} else {	3033	} else {
2588	warn "smooth face '$info->{smooth}' not found for face '$face'";	3034	warn "smooth face '$info->{smooth}' not found for face '$face'";
2589	}	3035	}
2590	Coro::cede;	3036
		3037	cf::cede_to_tick;
2591	}	3038	}
2592	}	3039	}
2593		3040
2594	{	3041	{
2595	my $anims = $facedata->{animinfo};	3042	my $anims = $facedata->{animinfo};
2596		3043
2597	while (my ($anim, $info) = each %$anims) {	3044	while (my ($anim, $info) = each %$anims) {
2598	cf::anim::set $anim, $info->{frames}, $info->{facings};	3045	cf::anim::set $anim, $info->{frames}, $info->{facings};
2599	Coro::cede;	3046	cf::cede_to_tick;
2600	}	3047	}
2601		3048
2602	cf::anim::invalidate_all; # d'oh	3049	cf::anim::invalidate_all; # d'oh
2603	}	3050	}
2604		3051
		3052	{
		3053	# TODO: for gcfclient pleasure, we should give resources
		3054	# that gcfclient doesn't grok a >10000 face index.
		3055	my $res = $facedata->{resource};
		3056
		3057	my $soundconf = delete $res->{"res/sound.conf"};
		3058
		3059	while (my ($name, $info) = each %$res) {
		3060	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3061	my $data;
		3062
		3063	if ($info->{type} & 1) {
		3064	# prepend meta info
		3065
		3066	my $meta = $enc->encode ({
		3067	name => $name,
		3068	%{ $info->{meta} || {} },
		3069	});
		3070
		3071	$data = pack "(w/a*)*", $meta, $info->{data};
		3072	} else {
		3073	$data = $info->{data};
		3074	}
		3075
		3076	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3077	cf::face::set_type $idx, $info->{type};
		3078
		3079	cf::cede_to_tick;
		3080	}
		3081
		3082	if ($soundconf) {
		3083	$soundconf = $enc->decode (delete $soundconf->{data});
		3084
		3085	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3086	my $sound = $soundconf->{compat}[$_]
		3087	or next;
		3088
		3089	my $face = cf::face::find "sound/$sound->[1]";
		3090	cf::sound::set $sound->[0] => $face;
		3091	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3092	}
		3093
		3094	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3095	my $face = cf::face::find "sound/$v";
		3096	cf::sound::set $k => $face;
		3097	}
		3098	}
		3099	}
		3100
2605	1	3101	1
2606	}	3102	}
2607		3103
		3104	register_exticmd fx_want => sub {
		3105	my ($ns, $want) = @_;
		3106
		3107	while (my ($k, $v) = each %$want) {
		3108	$ns->fx_want ($k, $v);
		3109	}
		3110	};
		3111
2608	sub reload_regions {	3112	sub reload_regions {
		3113	# HACK to clear player env face cache, we need some signal framework
		3114	# for this (global event?)
		3115	%ext::player_env::MUSIC_FACE_CACHE = ();
		3116
2609	load_resource_file "$MAPDIR/regions"	3117	load_resource_file "$MAPDIR/regions"
2610	or die "unable to load regions file\n";	3118	or die "unable to load regions file\n";
		3119
		3120	for (cf::region::list) {
		3121	$_->{match} = qr/$_->{match}/
		3122	if exists $_->{match};
		3123	}
2611	}	3124	}
2612		3125
2613	sub reload_facedata {	3126	sub reload_facedata {
2614	load_facedata "$DATADIR/facedata"	3127	load_facedata "$DATADIR/facedata"
2615	or die "unable to load facedata\n";	3128	or die "unable to load facedata\n";
2616	}	3129	}
2617		3130
2618	sub reload_archetypes {	3131	sub reload_archetypes {
		3132	load_resource_file "$DATADIR/archetypes"
		3133	or die "unable to load archetypes\n";
		3134	#d# NEED to laod twice to resolve forward references
		3135	# this really needs to be done in an extra post-pass
		3136	# (which needs to be synchronous, so solve it differently)
2619	load_resource_file "$DATADIR/archetypes"	3137	load_resource_file "$DATADIR/archetypes"
2620	or die "unable to load archetypes\n";	3138	or die "unable to load archetypes\n";
2621	}	3139	}
2622		3140
2623	sub reload_treasures {	3141	sub reload_treasures {
…		…
2639		3157
2640	sub init {	3158	sub init {
2641	reload_resources;	3159	reload_resources;
2642	}	3160	}
2643		3161
2644	sub cfg_load {	3162	sub reload_config {
2645	open my $fh, "<:utf8", "$CONFDIR/config"	3163	open my $fh, "<:utf8", "$CONFDIR/config"
2646	or return;	3164	or return;
2647		3165
2648	local $/;	3166	local $/;
2649	*CFG = YAML::Syck::Load <$fh>;	3167	*CFG = YAML::Syck::Load <$fh>;
…		…
2669	(async {	3187	(async {
2670	Event::one_event;	3188	Event::one_event;
2671	})->prio (Coro::PRIO_MAX);	3189	})->prio (Coro::PRIO_MAX);
2672	};	3190	};
2673		3191
2674	cfg_load;	3192	reload_config;
2675	db_init;	3193	db_init;
2676	load_extensions;	3194	load_extensions;
2677		3195
2678	$TICK_WATCHER->start;	3196	$TICK_WATCHER->start;
2679	Event::loop;	3197	Event::loop;
…		…
2695	},	3213	},
2696	);	3214	);
2697	}	3215	}
2698	}	3216	}
2699		3217
		3218	sub write_runtime {
		3219	my $runtime = "$LOCALDIR/runtime";
		3220
		3221	# first touch the runtime file to show we are still running:
		3222	# the fsync below can take a very very long time.
		3223
		3224	IO::AIO::aio_utime $runtime, undef, undef;
		3225
		3226	my $guard = cf::lock_acquire "write_runtime";
		3227
		3228	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3229	or return;
		3230
		3231	my $value = $cf::RUNTIME + 90 + 10;
		3232	# 10 is the runtime save interval, for a monotonic clock
		3233	# 60 allows for the watchdog to kill the server.
		3234
		3235	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3236	and return;
		3237
		3238	# always fsync - this file is important
		3239	aio_fsync $fh
		3240	and return;
		3241
		3242	# touch it again to show we are up-to-date
		3243	aio_utime $fh, undef, undef;
		3244
		3245	close $fh
		3246	or return;
		3247
		3248	aio_rename "$runtime~", $runtime
		3249	and return;
		3250
		3251	warn "runtime file written.\n";
		3252
		3253	1
		3254	}
		3255
2700	sub emergency_save() {	3256	sub emergency_save() {
2701	my $freeze_guard = cf::freeze_mainloop;	3257	my $freeze_guard = cf::freeze_mainloop;
2702		3258
2703	warn "enter emergency perl save\n";	3259	warn "enter emergency perl save\n";
2704		3260
…		…
2779	%EXT_CORO = ();	3335	%EXT_CORO = ();
2780		3336
2781	warn "removing commands";	3337	warn "removing commands";
2782	%COMMAND = ();	3338	%COMMAND = ();
2783		3339
2784	warn "removing ext commands";	3340	warn "removing ext/exti commands";
2785	%EXTCMD = ();	3341	%EXTCMD = ();
		3342	%EXTICMD = ();
2786		3343
2787	warn "unloading/nuking all extensions";	3344	warn "unloading/nuking all extensions";
2788	for my $pkg (@EXTS) {	3345	for my $pkg (@EXTS) {
2789	warn "... unloading $pkg";	3346	warn "... unloading $pkg";
2790		3347
…		…
2833	warn "reloading cf.pm";	3390	warn "reloading cf.pm";
2834	require cf;	3391	require cf;
2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3392	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2836		3393
2837	warn "loading config and database again";	3394	warn "loading config and database again";
2838	cf::cfg_load;	3395	cf::reload_config;
2839		3396
2840	warn "loading extensions";	3397	warn "loading extensions";
2841	cf::load_extensions;	3398	cf::load_extensions;
2842		3399
2843	warn "reattaching attachments to objects/players";	3400	warn "reattaching attachments to objects/players";
…		…
2908	my $signal = new Coro::Signal;	3465	my $signal = new Coro::Signal;
2909	push @WAIT_FOR_TICK_BEGIN, $signal;	3466	push @WAIT_FOR_TICK_BEGIN, $signal;
2910	$signal->wait;	3467	$signal->wait;
2911	}	3468	}
2912		3469
2913	my $min = 1e6;#d#
2914	my $avg = 10;
2915	$TICK_WATCHER = Event->timer (	3470	$TICK_WATCHER = Event->timer (
2916	reentrant => 0,	3471	reentrant => 0,
2917	parked => 1,	3472	parked => 1,
2918	prio => 0,	3473	prio => 0,
2919	at => $NEXT_TICK || $TICK,	3474	at => $NEXT_TICK || $TICK,
…		…
2927		3482
2928	$NOW = $tick_start = Event::time;	3483	$NOW = $tick_start = Event::time;
2929		3484
2930	cf::server_tick; # one server iteration	3485	cf::server_tick; # one server iteration
2931		3486
2932	0 && sync_job {#d#
2933	for(1..10) {
2934	my $t = Event::time;
2935	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2936	or die;
2937
2938	$map->width (50);
2939	$map->height (50);
2940	$map->alloc;
2941	$map->_load_objects ("/tmp/x.map", 1);
2942	my $t = Event::time - $t;
2943
2944	#next unless $t < 0.0013;#d#
2945	if ($t < $min) {
2946	$min = $t;
2947	}
2948	$avg = $avg * 0.99 + $t * 0.01;
2949	}
2950	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2951	exit 0;
2952	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2953	};
2954
2955	$RUNTIME += $TICK;	3487	$RUNTIME += $TICK;
2956	$NEXT_TICK += $TICK;	3488	$NEXT_TICK += $TICK;
2957		3489
2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3490	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2959	$NEXT_RUNTIME_WRITE = $NOW + 10;	3491	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2961	write_runtime	3493	write_runtime
2962	or warn "ERROR: unable to write runtime file: $!";	3494	or warn "ERROR: unable to write runtime file: $!";
2963	};	3495	};
2964	}	3496	}
2965		3497
2966	# my $AFTER = Event::time;
2967	# warn $AFTER - $NOW;#d#
2968
2969	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3498	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970	$sig->send;	3499	$sig->send;
2971	}	3500	}
2972	while (my $sig = shift @WAIT_FOR_TICK) {	3501	while (my $sig = shift @WAIT_FOR_TICK) {
2973	$sig->send;	3502	$sig->send;
…		…
2983		3512
2984	$LOAD = ($NOW - $tick_start) / $TICK;	3513	$LOAD = ($NOW - $tick_start) / $TICK;
2985	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3514	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986		3515
2987	_post_tick;	3516	_post_tick;
2988
2989
2990	},	3517	},
2991	);	3518	);
2992		3519
2993	{	3520	{
		3521	BDB::min_parallel 8;
2994	BDB::max_poll_time $TICK * 0.1;	3522	BDB::max_poll_time $TICK * 0.1;
2995	$BDB_POLL_WATCHER = Event->io (	3523	$BDB_POLL_WATCHER = Event->io (
2996	reentrant => 0,	3524	reentrant => 0,
2997	fd => BDB::poll_fileno,	3525	fd => BDB::poll_fileno,
2998	poll => 'r',	3526	poll => 'r',
2999	prio => 0,	3527	prio => 0,
3000	data => WF_AUTOCANCEL,	3528	data => WF_AUTOCANCEL,
3001	cb => \&BDB::poll_cb,	3529	cb => \&BDB::poll_cb,
3002	);	3530	);
3003	BDB::min_parallel 8;
3004		3531
3005	BDB::set_sync_prepare {	3532	BDB::set_sync_prepare {
3006	my $status;	3533	my $status;
3007	my $current = $Coro::current;	3534	my $current = $Coro::current;
3008	(	3535	(
…		…
3017	)	3544	)
3018	};	3545	};
3019		3546
3020	unless ($DB_ENV) {	3547	unless ($DB_ENV) {
3021	$DB_ENV = BDB::db_env_create;	3548	$DB_ENV = BDB::db_env_create;
		3549	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3550	| BDB::LOG_AUTOREMOVE, 1);
		3551	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3552	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3022		3553
3023	cf::sync_job {	3554	cf::sync_job {
3024	eval {	3555	eval {
3025	BDB::db_env_open	3556	BDB::db_env_open
3026	$DB_ENV,	3557	$DB_ENV,
…		…
3028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3559	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3560	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3030	0666;	3561	0666;
3031		3562
3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3563	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3033
3034	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3035	$DB_ENV->set_lk_detect;
3036	};	3564	};
3037		3565
3038	cf::cleanup "db_env_open(db): $@" if $@;	3566	cf::cleanup "db_env_open(db): $@" if $@;
3039	};	3567	};
3040	}	3568	}
		3569
		3570	$BDB_DEADLOCK_WATCHER = Event->timer (
		3571	after => 3,
		3572	interval => 1,
		3573	hard => 1,
		3574	prio => 0,
		3575	data => WF_AUTOCANCEL,
		3576	cb => sub {
		3577	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3578	},
		3579	);
		3580	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3581	after => 11,
		3582	interval => 60,
		3583	hard => 1,
		3584	prio => 0,
		3585	data => WF_AUTOCANCEL,
		3586	cb => sub {
		3587	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3588	},
		3589	);
		3590	$BDB_TRICKLE_WATCHER = Event->timer (
		3591	after => 5,
		3592	interval => 10,
		3593	hard => 1,
		3594	prio => 0,
		3595	data => WF_AUTOCANCEL,
		3596	cb => sub {
		3597	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3598	},
		3599	);
3041	}	3600	}
3042		3601
3043	{	3602	{
3044	IO::AIO::min_parallel 8;	3603	IO::AIO::min_parallel 8;
3045		3604

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