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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.277 by root, Sun Jun 10 04:24:50 2007 UTC vs.
Revision 1.373 by root, Sat Sep 15 15:58:06 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
…		…
817	sub object_freezer_save {	1028	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1029	my ($filename, $rdata, $objs) = @_;
819		1030
820	sync_job {	1031	sync_job {
821	if (length $$rdata) {	1032	if (length $$rdata) {
		1033	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1034	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1035	$decname, length $$rdata, scalar @$objs;
824		1036
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1037	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1038	chmod SAVE_MODE, $fh;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1039	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1040	aio_fsync $fh if $cf::USE_FSYNC;
…		…
847	}	1059	}
848	} else {	1060	} else {
849	aio_unlink $filename;	1061	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1062	aio_unlink "$filename.pst";
851	}	1063	}
852	}	1064	};
853	}	1065	}
854		1066
855	sub object_freezer_as_string {	1067	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1068	my ($rdata, $objs) = @_;
857		1069
…		…
869	or return;	1081	or return;
870		1082
871	unless (aio_stat "$filename.pst") {	1083	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1084	(aio_load "$filename.pst", $av) >= 0
873	or return;	1085	or return;
		1086
874	$av = eval { (Storable::thaw $av)->{objs} };	1087	$av = eval { (Storable::thaw $av)->{objs} };
875	}	1088	}
876		1089
		1090	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1091	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1092	$decname, length $data, scalar @{$av || []};
		1093
879	return ($data, $av);	1094	($data, $av)
880	}	1095	}
		1096
		1097	=head2 COMMAND CALLBACKS
		1098
		1099	=over 4
		1100
		1101	=cut
881		1102
882	#############################################################################	1103	#############################################################################
883	# command handling &c	1104	# command handling &c
884		1105
885	=item cf::register_command $name => \&callback($ob,$args);	1106	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1119	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1120	}
900		1121
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1122	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1123
903	Register a callbackf ro execution when the client sends an extcmd packet.	1124	Register a callback for execution when the client sends an (synchronous)
		1125	extcmd packet. Ext commands will be processed in the order they are
		1126	received by the server, like other user commands. The first argument is
		1127	the logged-in player. Ext commands can only be processed after a player
		1128	has logged in successfully.
904		1129
905	If the callback returns something, it is sent back as if reply was being	1130	If the callback returns something, it is sent back as if reply was being
906	called.	1131	called.
907		1132
		1133	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1134
		1135	Register a callback for execution when the client sends an (asynchronous)
		1136	exticmd packet. Exti commands are processed by the server as soon as they
		1137	are received, i.e. out of order w.r.t. other commands. The first argument
		1138	is a client socket. Exti commands can be received anytime, even before
		1139	log-in.
		1140
		1141	If the callback returns something, it is sent back as if reply was being
		1142	called.
		1143
908	=cut	1144	=cut
909		1145
910	sub register_extcmd {	1146	sub register_extcmd {
911	my ($name, $cb) = @_;	1147	my ($name, $cb) = @_;
912		1148
913	$EXTCMD{$name} = $cb;	1149	$EXTCMD{$name} = $cb;
		1150	}
		1151
		1152	sub register_exticmd {
		1153	my ($name, $cb) = @_;
		1154
		1155	$EXTICMD{$name} = $cb;
914	}	1156	}
915		1157
916	cf::player->attach (	1158	cf::player->attach (
917	on_command => sub {	1159	on_command => sub {
918	my ($pl, $name, $params) = @_;	1160	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1169	cf::override;
928	},	1170	},
929	on_extcmd => sub {	1171	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1172	my ($pl, $buf) = @_;
931		1173
932	my $msg = eval { from_json $buf };	1174	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1175
934	if (ref $msg) {	1176	if (ref $msg) {
		1177	my ($type, $reply, @payload) =
		1178	"ARRAY" eq ref $msg
		1179	? @$msg
		1180	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1181
		1182	my @reply;
		1183
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1184	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1185	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1186	}
		1187
		1188	$pl->ext_reply ($reply, @reply)
		1189	if $reply;
		1190
940	} else {	1191	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1192	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1193	}
943		1194
944	cf::override;	1195	cf::override;
945	},	1196	},
946	);	1197	);
947		1198
948	sub load_extension {
949	my ($path) = @_;
950
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
952	my $base = $1;
953	my $pkg = $1;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}
976	die $@;
977	}
978
979	push @EXTS, $pkg;
980	}
981
982	sub load_extensions {	1199	sub load_extensions {
		1200	cf::sync_job {
		1201	my %todo;
		1202
983	for my $ext (<$LIBDIR/*.ext>) {	1203	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1204	next unless -r $path;
985	eval {	1205
986	load_extension $ext;	1206	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1207	my $base = $1;
		1208	my $pkg = $1;
		1209	$pkg =~ s/[^[:word:]]/_/g;
		1210	$pkg = "ext::$pkg";
		1211
		1212	open my $fh, "<:utf8", $path
		1213	or die "$path: $!";
		1214
		1215	my $source = do { local $/; <$fh> };
		1216
		1217	my %ext = (
		1218	path => $path,
		1219	base => $base,
		1220	pkg => $pkg,
		1221	);
		1222
		1223	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1224	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1225
		1226	$ext{source} =
		1227	"package $pkg; use strict; use utf8;\n"
		1228	. "#line 1 \"$path\"\n{\n"
		1229	. $source
		1230	. "\n};\n1";
		1231
		1232	$todo{$base} = \%ext;
		1233	}
		1234
		1235	my %done;
		1236	while (%todo) {
		1237	my $progress;
		1238
		1239	while (my ($k, $v) = each %todo) {
		1240	for (split /,\s*/, $v->{meta}{depends}) {
		1241	goto skip
		1242	unless exists $done{$_};
		1243	}
		1244
		1245	warn "... loading '$k' into '$v->{pkg}'\n";
		1246
		1247	unless (eval $v->{source}) {
		1248	my $msg = $@ ? "$v->{path}: $@\n"
		1249	: "$v->{base}: extension inactive.\n";
		1250
		1251	if (exists $v->{meta}{mandatory}) {
		1252	warn $msg;
		1253	warn "mandatory extension failed to load, exiting.\n";
		1254	exit 1;
		1255	}
		1256
		1257	warn $msg;
		1258	}
		1259
		1260	$done{$k} = delete $todo{$k};
		1261	push @EXTS, $v->{pkg};
		1262	$progress = 1;
987	1	1263	}
988	} or warn "$ext not loaded: $@";	1264
		1265	skip:
		1266	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1267	unless $progress;
		1268	}
989	}	1269	};
990	}	1270	}
991		1271
992	#############################################################################	1272	#############################################################################
993		1273
		1274	=back
		1275
994	=head2 CORE EXTENSIONS	1276	=head2 CORE EXTENSIONS
995		1277
996	Functions and methods that extend core crossfire objects.	1278	Functions and methods that extend core crossfire objects.
997		1279
998	=cut	1280	=cut
…		…
1002	use Coro::AIO;	1284	use Coro::AIO;
1003		1285
1004	=head3 cf::player	1286	=head3 cf::player
1005		1287
1006	=over 4	1288	=over 4
		1289
		1290	=item cf::player::num_playing
		1291
		1292	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1293
		1294	=cut
		1295
		1296	sub num_playing {
		1297	scalar grep
		1298	$_->ob->map
		1299	&& !$_->hidden
		1300	&& !$_->ob->flag (cf::FLAG_WIZ),
		1301	cf::player::list
		1302	}
1007		1303
1008	=item cf::player::find $login	1304	=item cf::player::find $login
1009		1305
1010	Returns the given player object, loading it if necessary (might block).	1306	Returns the given player object, loading it if necessary (might block).
1011		1307
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1343	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1344	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1345	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1346	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1347
1052	my $pl = load_pl path $login	1348	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1349	or return;
		1350
		1351	my $pl = cf::player::load_pl $f
		1352	or return;
		1353	local $cf::PLAYER_LOADING{$login} = $pl;
		1354	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1355	$cf::PLAYER{$login} = $pl
1055	}	1356	}
1056	}	1357	}
1057	}	1358	}
1058		1359
…		…
1068		1369
1069	aio_mkdir playerdir $pl, 0770;	1370	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1371	$pl->{last_save} = $cf::RUNTIME;
1071		1372
1072	$pl->save_pl ($path);	1373	$pl->save_pl ($path);
1073	Coro::cede;	1374	cf::cede_to_tick;
1074	}	1375	}
1075		1376
1076	sub new($) {	1377	sub new($) {
1077	my ($login) = @_;	1378	my ($login) = @_;
1078		1379
…		…
1082	$self->{deny_save} = 1;	1383	$self->{deny_save} = 1;
1083		1384
1084	$cf::PLAYER{$login} = $self;	1385	$cf::PLAYER{$login} = $self;
1085		1386
1086	$self	1387	$self
		1388	}
		1389
		1390	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1391
		1392	=cut
		1393
		1394	sub send_msg {
		1395	my $ns = shift->ns
		1396	or return;
		1397	$ns->send_msg (@_);
1087	}	1398	}
1088		1399
1089	=item $pl->quit_character	1400	=item $pl->quit_character
1090		1401
1091	Nukes the player without looking back. If logged in, the connection will	1402	Nukes the player without looking back. If logged in, the connection will
…		…
1146	or return [];	1457	or return [];
1147		1458
1148	my @logins;	1459	my @logins;
1149		1460
1150	for my $login (@$dirs) {	1461	for my $login (@$dirs) {
		1462	my $path = path $login;
		1463
		1464	# a .pst is a dead give-away for a valid player
		1465	unless (-e "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1466	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1467	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1468	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1469	}
1154		1470
1155	utf8::decode $login;	1471	utf8::decode $login;
1156	push @logins, $login;	1472	push @logins, $login;
1157	}	1473	}
1158		1474
…		…
1185	}	1501	}
1186		1502
1187	\@paths	1503	\@paths
1188	}	1504	}
1189		1505
		1506	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1507
		1508	Expand crossfire pod fragments into protocol xml.
		1509
		1510	=cut
		1511
		1512	sub expand_cfpod {
		1513	((my $self), (local $_)) = @_;
		1514
		1515	# escape & and <
		1516	s/&/&amp;/g;
		1517	s/(?<![BIUGHT])</&lt;/g;
		1518
		1519	# this is buggy, it needs to properly take care of nested <'s
		1520
		1521	1 while
		1522	# replace B<>, I<>, U<> etc.
		1523	s/B<([^\>]*)>/<b>$1<\/b>/
		1524	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1525	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1526	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1527	# replace G<male|female> tags
		1528	|| s{G<([^>|]*)\|([^>]*)>}{
		1529	$self->gender ? $2 : $1
		1530	}ge
		1531	# replace H<hint text>
		1532	|| s{H<([^\>]*)>}
		1533	{
		1534	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1535	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1536	"")
		1537	[$self->{hintmode}]
		1538	}ge;
		1539
		1540	# create single paragraphs (very hackish)
		1541	s/(?<=\S)\n(?=\w)/ /g;
		1542
		1543	# compress some whitespace
		1544	s/\s+\n/\n/g; # ws line-ends
		1545	s/\n\n+/\n/g; # double lines
		1546	s/^\n+//; # beginning lines
		1547	s/\n+$//; # ending lines
		1548
		1549	$_
		1550	}
		1551
		1552	sub hintmode {
		1553	$_[0]{hintmode} = $_[1] if @_ > 1;
		1554	$_[0]{hintmode}
		1555	}
		1556
1190	=item $player->ext_reply ($msgid, %msg)	1557	=item $player->ext_reply ($msgid, @msg)
1191		1558
1192	Sends an ext reply to the player.	1559	Sends an ext reply to the player.
1193		1560
1194	=cut	1561	=cut
1195		1562
1196	sub ext_reply($$%) {	1563	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1564	my ($self, $id, @msg) = @_;
1198		1565
1199	$msg{msgid} = $id;	1566	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1567	}
1203		1568
1204	=item $player->ext_event ($type, %msg)	1569	=item $player->ext_msg ($type, @msg)
1205		1570
1206	Sends an ext event to the client.	1571	Sends an ext event to the client.
1207		1572
1208	=cut	1573	=cut
1209		1574
1210	sub ext_event($$%) {	1575	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1576	my ($self, $type, @msg) = @_;
1212		1577
1213	$self->ns->ext_event ($type, %msg);	1578	$self->ns->ext_msg ($type, @msg);
1214	}	1579	}
1215		1580
1216	=head3 cf::region	1581	=head3 cf::region
1217		1582
1218	=over 4	1583	=over 4
…		…
1221		1586
1222	package cf::region;	1587	package cf::region;
1223		1588
1224	=item cf::region::find_by_path $path	1589	=item cf::region::find_by_path $path
1225		1590
1226	Tries to decuce the probable region for a map knowing only its path.	1591	Tries to decuce the likely region for a map knowing only its path.
1227		1592
1228	=cut	1593	=cut
1229		1594
1230	sub find_by_path($) {	1595	sub find_by_path($) {
1231	my ($path) = @_;	1596	my ($path) = @_;
1232		1597
1233	my ($match, $specificity);	1598	my ($match, $specificity);
1234		1599
1235	for my $region (list) {	1600	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1601	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1602	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1603	if $region->specificity > $specificity;
1239	}	1604	}
1240	}	1605	}
1241		1606
…		…
1361	$self->init; # pass $1 etc.	1726	$self->init; # pass $1 etc.
1362	return $self;	1727	return $self;
1363	}	1728	}
1364	}	1729	}
1365		1730
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	1731	Carp::cluck "unable to resolve path '$path' (base '$base').";
1367	()	1732	()
1368	}	1733	}
1369		1734
1370	sub init {	1735	sub init {
1371	my ($self) = @_;	1736	my ($self) = @_;
…		…
1434		1799
1435	sub load_header_from($) {	1800	sub load_header_from($) {
1436	my ($self, $path) = @_;	1801	my ($self, $path) = @_;
1437		1802
1438	utf8::encode $path;	1803	utf8::encode $path;
1439	#aio_open $path, O_RDONLY, 0	1804	my $f = new_from_file cf::object::thawer $path
1440	# or return;
1441
1442	$self->_load_header ($path)
1443	or return;	1805	or return;
		1806
		1807	$self->_load_header ($f)
		1808	or return;
		1809
		1810	local $MAP_LOADING{$self->{path}} = $self;
		1811	$f->resolve_delayed_derefs;
1444		1812
1445	$self->{load_path} = $path;	1813	$self->{load_path} = $path;
1446		1814
1447	1	1815	1
1448	}	1816	}
…		…
1502	sub find {	1870	sub find {
1503	my ($path, $origin) = @_;	1871	my ($path, $origin) = @_;
1504		1872
1505	$path = normalise $path, $origin && $origin->path;	1873	$path = normalise $path, $origin && $origin->path;
1506		1874
		1875	cf::lock_wait "map_data:$path";#d#remove
1507	cf::lock_wait "map_find:$path";	1876	cf::lock_wait "map_find:$path";
1508		1877
1509	$cf::MAP{$path} || do {	1878	$cf::MAP{$path} || do {
1510	my $guard = cf::lock_acquire "map_find:$path";	1879	my $guard1 = cf::lock_acquire "map_find:$path";
		1880	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1881
1511	my $map = new_from_path cf::map $path	1882	my $map = new_from_path cf::map $path
1512	or return;	1883	or return;
1513		1884
1514	$map->{last_save} = $cf::RUNTIME;	1885	$map->{last_save} = $cf::RUNTIME;
1515		1886
…		…
1517	or return;	1888	or return;
1518		1889
1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1890	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520	# doing this can freeze the server in a sync job, obviously	1891	# doing this can freeze the server in a sync job, obviously
1521	#$cf::WAIT_FOR_TICK->wait;	1892	#$cf::WAIT_FOR_TICK->wait;
		1893	undef $guard1;
		1894	undef $guard2;
1522	$map->reset;	1895	$map->reset;
1523	undef $guard;
1524	return find $path;	1896	return find $path;
1525	}	1897	}
1526		1898
1527	$cf::MAP{$path} = $map	1899	$cf::MAP{$path} = $map
1528	}	1900	}
…		…
1537	local $self->{deny_reset} = 1; # loading can take a long time	1909	local $self->{deny_reset} = 1; # loading can take a long time
1538		1910
1539	my $path = $self->{path};	1911	my $path = $self->{path};
1540		1912
1541	{	1913	{
1542	my $guard = cf::lock_acquire "map_load:$path";	1914	my $guard = cf::lock_acquire "map_data:$path";
1543		1915
		1916	return unless $self->valid;
1544	return if $self->in_memory != cf::MAP_SWAPPED;	1917	return unless $self->in_memory == cf::MAP_SWAPPED;
1545		1918
1546	$self->in_memory (cf::MAP_LOADING);	1919	$self->in_memory (cf::MAP_LOADING);
1547		1920
1548	$self->alloc;	1921	$self->alloc;
1549		1922
1550	$self->pre_load;	1923	$self->pre_load;
1551	Coro::cede;	1924	cf::cede_to_tick;
1552		1925
		1926	my $f = new_from_file cf::object::thawer $self->{load_path};
		1927	$f->skip_block;
1553	$self->_load_objects ($self->{load_path}, 1)	1928	$self->_load_objects ($f)
1554	or return;	1929	or return;
1555		1930
1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1931	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1557	if delete $self->{load_original};	1932	if delete $self->{load_original};
1558		1933
1559	if (my $uniq = $self->uniq_path) {	1934	if (my $uniq = $self->uniq_path) {
1560	utf8::encode $uniq;	1935	utf8::encode $uniq;
1561	if (aio_open $uniq, O_RDONLY, 0) {	1936	unless (aio_stat $uniq) {
		1937	if (my $f = new_from_file cf::object::thawer $uniq) {
1562	$self->clear_unique_items;	1938	$self->clear_unique_items;
1563	$self->_load_objects ($uniq, 0);	1939	$self->_load_objects ($f);
		1940	$f->resolve_delayed_derefs;
		1941	}
1564	}	1942	}
1565	}	1943	}
1566		1944
1567	Coro::cede;	1945	$f->resolve_delayed_derefs;
		1946
		1947	cf::cede_to_tick;
1568	# now do the right thing for maps	1948	# now do the right thing for maps
1569	$self->link_multipart_objects;	1949	$self->link_multipart_objects;
1570	$self->difficulty ($self->estimate_difficulty)	1950	$self->difficulty ($self->estimate_difficulty)
1571	unless $self->difficulty;	1951	unless $self->difficulty;
1572	Coro::cede;	1952	cf::cede_to_tick;
1573		1953
1574	unless ($self->{deny_activate}) {	1954	unless ($self->{deny_activate}) {
1575	$self->decay_objects;	1955	$self->decay_objects;
1576	$self->fix_auto_apply;	1956	$self->fix_auto_apply;
1577	$self->update_buttons;	1957	$self->update_buttons;
1578	Coro::cede;	1958	cf::cede_to_tick;
1579	$self->set_darkness_map;	1959	$self->set_darkness_map;
1580	Coro::cede;	1960	cf::cede_to_tick;
1581	$self->activate;	1961	$self->activate;
1582	}	1962	}
		1963
		1964	$self->{last_save} = $cf::RUNTIME;
		1965	$self->last_access ($cf::RUNTIME);
1583		1966
1584	$self->in_memory (cf::MAP_IN_MEMORY);	1967	$self->in_memory (cf::MAP_IN_MEMORY);
1585	}	1968	}
1586		1969
1587	$self->post_load;	1970	$self->post_load;
…		…
1598		1981
1599	$self	1982	$self
1600	}	1983	}
1601		1984
1602	# find and load all maps in the 3x3 area around a map	1985	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {	1986	sub load_neighbours {
1604	my ($map) = @_;	1987	my ($map) = @_;
1605		1988
1606	my @diag; # diagonal neighbours	1989	my @neigh; # diagonal neighbours
1607		1990
1608	for (0 .. 3) {	1991	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)	1992	my $neigh = $map->tile_path ($_)
1610	or next;	1993	or next;
1611	$neigh = find $neigh, $map	1994	$neigh = find $neigh, $map
1612	or next;	1995	or next;
1613	$neigh->load;	1996	$neigh->load;
1614		1997
		1998	push @neigh,
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1999	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2000	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}	2001	}
1618		2002
1619	for (@diag) {	2003	for (grep defined $_->[0], @neigh) {
		2004	my ($path, $origin) = @$_;
1620	my $neigh = find @$_	2005	my $neigh = find $path, $origin
1621	or next;	2006	or next;
1622	$neigh->load;	2007	$neigh->load;
1623	}	2008	}
1624	}	2009	}
1625		2010
…		…
1630	}	2015	}
1631		2016
1632	sub do_load_sync {	2017	sub do_load_sync {
1633	my ($map) = @_;	2018	my ($map) = @_;
1634		2019
		2020	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2021	if $Coro::current == $Coro::main;
		2022
1635	cf::sync_job { $map->load };	2023	cf::sync_job { $map->load };
1636	}	2024	}
1637		2025
1638	our %MAP_PREFETCH;	2026	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	2027	our $MAP_PREFETCHER = undef;
1640		2028
1641	sub find_async {	2029	sub find_async {
1642	my ($path, $origin) = @_;	2030	my ($path, $origin, $load) = @_;
1643		2031
1644	$path = normalise $path, $origin && $origin->{path};	2032	$path = normalise $path, $origin && $origin->{path};
1645		2033
1646	if (my $map = $cf::MAP{$path}) {	2034	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2035	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1648	}	2036	}
1649		2037
1650	undef $MAP_PREFETCH{$path};	2038	$MAP_PREFETCH{$path} |= $load;
		2039
1651	$MAP_PREFETCHER ||= cf::async {	2040	$MAP_PREFETCHER ||= cf::async {
1652	while (%MAP_PREFETCH) {	2041	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	2042	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	2043	if (my $map = find $k) {
1655	or next;
1656	$map->load;	2044	$map->load if $v;
		2045	}
1657		2046
1658	delete $MAP_PREFETCH{$path};	2047	delete $MAP_PREFETCH{$k};
1659	}	2048	}
1660	}	2049	}
1661	undef $MAP_PREFETCHER;	2050	undef $MAP_PREFETCHER;
1662	};	2051	};
1663	$MAP_PREFETCHER->prio (6);	2052	$MAP_PREFETCHER->prio (6);
…		…
1666	}	2055	}
1667		2056
1668	sub save {	2057	sub save {
1669	my ($self) = @_;	2058	my ($self) = @_;
1670		2059
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2061
1673	$self->{last_save} = $cf::RUNTIME;	2062	$self->{last_save} = $cf::RUNTIME;
1674		2063
1675	return unless $self->dirty;	2064	return unless $self->dirty;
1676		2065
…		…
1699	my ($self) = @_;	2088	my ($self) = @_;
1700		2089
1701	# save first because save cedes	2090	# save first because save cedes
1702	$self->save;	2091	$self->save;
1703		2092
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2093	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2094
1706	return if $self->players;	2095	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;	2096	return if $self->in_memory != cf::MAP_IN_MEMORY;
1708	return if $self->{deny_save};	2097	return if $self->{deny_save};
1709		2098
		2099	$self->in_memory (cf::MAP_SWAPPED);
		2100
		2101	$self->deactivate;
		2102	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2103	$self->clear;
1711	$self->in_memory (cf::MAP_SWAPPED);
1712	}	2104	}
1713		2105
1714	sub reset_at {	2106	sub reset_at {
1715	my ($self) = @_;	2107	my ($self) = @_;
1716		2108
…		…
1748	if $uniq;	2140	if $uniq;
1749	}	2141	}
1750		2142
1751	delete $cf::MAP{$self->path};	2143	delete $cf::MAP{$self->path};
1752		2144
		2145	$self->deactivate;
		2146	$_->clear_links_to ($self) for values %cf::MAP;
1753	$self->clear;	2147	$self->clear;
1754
1755	$_->clear_links_to ($self) for values %cf::MAP;
1756		2148
1757	$self->unlink_save;	2149	$self->unlink_save;
1758	$self->destroy;	2150	$self->destroy;
1759	}	2151	}
1760		2152
1761	my $nuke_counter = "aaaa";	2153	my $nuke_counter = "aaaa";
1762		2154
1763	sub nuke {	2155	sub nuke {
1764	my ($self) = @_;	2156	my ($self) = @_;
1765		2157
		2158	{
		2159	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2160
1766	delete $cf::MAP{$self->path};	2161	delete $cf::MAP{$self->path};
1767		2162
1768	$self->unlink_save;	2163	$self->unlink_save;
1769		2164
1770	bless $self, "cf::map";	2165	bless $self, "cf::map";
1771	delete $self->{deny_reset};	2166	delete $self->{deny_reset};
1772	$self->{deny_save} = 1;	2167	$self->{deny_save} = 1;
1773	$self->reset_timeout (1);	2168	$self->reset_timeout (1);
1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2169	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775		2170
1776	$cf::MAP{$self->path} = $self;	2171	$cf::MAP{$self->path} = $self;
		2172	}
1777		2173
1778	$self->reset; # polite request, might not happen	2174	$self->reset; # polite request, might not happen
1779	}	2175	}
1780		2176
1781	=item $maps = cf::map::tmp_maps	2177	=item $maps = cf::map::tmp_maps
…		…
1857		2253
1858	sub inv_recursive {	2254	sub inv_recursive {
1859	inv_recursive_ inv $_[0]	2255	inv_recursive_ inv $_[0]
1860	}	2256	}
1861		2257
		2258	=item $ref = $ob->ref
		2259
		2260	creates and returns a persistent reference to an objetc that can be stored as a string.
		2261
		2262	=item $ob = cf::object::deref ($refstring)
		2263
		2264	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2265	even if the object actually exists. May block.
		2266
		2267	=cut
		2268
		2269	sub deref {
		2270	my ($ref) = @_;
		2271
		2272	# temporary compatibility#TODO#remove
		2273	$ref =~ s{^<}{player/<};
		2274
		2275	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2276	my ($uuid, $name) = ($1, $2);
		2277	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2278	or return;
		2279	$pl->ob->uuid eq $uuid
		2280	or return;
		2281
		2282	$pl->ob
		2283	} else {
		2284	warn "$ref: cannot resolve object reference\n";
		2285	undef
		2286	}
		2287	}
		2288
1862	package cf;	2289	package cf;
1863		2290
1864	=back	2291	=back
1865		2292
1866	=head3 cf::object::player	2293	=head3 cf::object::player
…		…
1883		2310
1884	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2311	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1885		2312
1886	if ($self->{record_replies}) {	2313	if ($self->{record_replies}) {
1887	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2314	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2315
1888	} else {	2316	} else {
		2317	my $pl = $self->contr;
		2318
		2319	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2320	my $dialog = $pl->{npc_dialog};
		2321	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2322
		2323	} else {
1889	$msg = $npc->name . " says: $msg" if $npc;	2324	$msg = $npc->name . " says: $msg" if $npc;
1890	$self->message ($msg, $flags);	2325	$self->message ($msg, $flags);
		2326	}
1891	}	2327	}
		2328	}
		2329
		2330	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2331
		2332	=cut
		2333
		2334	sub cf::object::send_msg {
		2335	my $pl = shift->contr
		2336	or return;
		2337	$pl->send_msg (@_);
1892	}	2338	}
1893		2339
1894	=item $player_object->may ("access")	2340	=item $player_object->may ("access")
1895		2341
1896	Returns wether the given player is authorized to access resource "access"	2342	Returns wether the given player is authorized to access resource "access"
…		…
1975	# use -1 or undef as default coordinates, not 0, 0	2421	# use -1 or undef as default coordinates, not 0, 0
1976	($x, $y) = ($map->enter_x, $map->enter_y)	2422	($x, $y) = ($map->enter_x, $map->enter_y)
1977	if $x <=0 && $y <= 0;	2423	if $x <=0 && $y <= 0;
1978		2424
1979	$map->load;	2425	$map->load;
1980	$map->load_diag;	2426	$map->load_neighbours;
1981		2427
1982	return unless $self->contr->active;	2428	return unless $self->contr->active;
1983	$self->activate_recursive;	2429	$self->activate_recursive;
1984		2430
1985	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2431	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1986	$self->enter_map ($map, $x, $y);	2432	$self->enter_map ($map, $x, $y);
1987	}	2433	}
1988		2434
1989	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2435	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1990		2436
1991	Moves the player to the given map-path and coordinates by first freezing	2437	Moves the player to the given map-path and coordinates by first freezing
1992	her, loading and preparing them map, calling the provided $check callback	2438	her, loading and preparing them map, calling the provided $check callback
1993	that has to return the map if sucecssful, and then unfreezes the player on	2439	that has to return the map if sucecssful, and then unfreezes the player on
1994	the new (success) or old (failed) map position.	2440	the new (success) or old (failed) map position. In either case, $done will
		2441	be called at the end of this process.
1995		2442
1996	=cut	2443	=cut
1997		2444
1998	our $GOTOGEN;	2445	our $GOTOGEN;
1999		2446
2000	sub cf::object::player::goto {	2447	sub cf::object::player::goto {
2001	my ($self, $path, $x, $y, $check) = @_;	2448	my ($self, $path, $x, $y, $check, $done) = @_;
2002		2449
2003	# do generation counting so two concurrent goto's will be executed in-order	2450	# do generation counting so two concurrent goto's will be executed in-order
2004	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2451	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2005		2452
2006	$self->enter_link;	2453	$self->enter_link;
2007		2454
2008	(async {	2455	(async {
		2456	# *tag paths override both path and x|y
		2457	if ($path =~ /^\*(.*)$/) {
		2458	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2459	my $ob = $obs[rand @obs];
		2460
		2461	# see if we actually can go there
		2462	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2463	$ob = $obs[rand @obs];
		2464	} else {
		2465	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2466	}
		2467	# else put us there anyways for now #d#
		2468
		2469	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2470	} else {
		2471	($path, $x, $y) = (undef, undef, undef);
		2472	}
		2473	}
		2474
2009	my $map = eval {	2475	my $map = eval {
2010	my $map = cf::map::find $path;	2476	my $map = defined $path ? cf::map::find $path : undef;
2011		2477
2012	if ($map) {	2478	if ($map) {
2013	$map = $map->customise_for ($self);	2479	$map = $map->customise_for ($self);
2014	$map = $check->($map) if $check && $map;	2480	$map = $check->($map) if $check && $map;
2015	} else {	2481	} else {
2016	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2482	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2017	}	2483	}
2018		2484
2019	$map	2485	$map
2020	};	2486	};
2021		2487
…		…
2026		2492
2027	if ($gen == $self->{_goto_generation}) {	2493	if ($gen == $self->{_goto_generation}) {
2028	delete $self->{_goto_generation};	2494	delete $self->{_goto_generation};
2029	$self->leave_link ($map, $x, $y);	2495	$self->leave_link ($map, $x, $y);
2030	}	2496	}
		2497
		2498	$done->() if $done;
2031	})->prio (1);	2499	})->prio (1);
2032	}	2500	}
2033		2501
2034	=item $player_object->enter_exit ($exit_object)	2502	=item $player_object->enter_exit ($exit_object)
2035		2503
…		…
2104	my $hp = $exit->stats->hp;	2572	my $hp = $exit->stats->hp;
2105	my $sp = $exit->stats->sp;	2573	my $sp = $exit->stats->sp;
2106		2574
2107	$self->enter_link;	2575	$self->enter_link;
2108		2576
		2577	# if exit is damned, update players death & WoR home-position
		2578	$self->contr->savebed ($slaying, $hp, $sp)
		2579	if $exit->flag (FLAG_DAMNED);
		2580
2109	(async {	2581	(async {
2110	$self->deactivate_recursive; # just to be sure	2582	$self->deactivate_recursive; # just to be sure
2111	unless (eval {	2583	unless (eval {
2112	$self->goto ($slaying, $hp, $sp);	2584	$self->goto ($slaying, $hp, $sp);
2113		2585
…		…
2140		2612
2141	utf8::encode $text;	2613	utf8::encode $text;
2142	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2614	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2143	}	2615	}
2144		2616
		2617	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2618
		2619	Send a drawinfo or msg packet to the client, formatting the msg for the
		2620	client if neccessary. C<$type> should be a string identifying the type of
		2621	the message, with C<log> being the default. If C<$color> is negative, suppress
		2622	the message unless the client supports the msg packet.
		2623
		2624	=cut
		2625
		2626	our %CHANNEL = (
		2627	"c/identify" => {
		2628	id => "identify",
		2629	title => "Identify",
		2630	reply => undef,
		2631	tooltip => "Items recently identified",
		2632	},
		2633	"c/examine" => {
		2634	id => "examine",
		2635	title => "Examine",
		2636	reply => undef,
		2637	tooltip => "Signs and other items you examined",
		2638	},
		2639	);
		2640
		2641	sub cf::client::send_msg {
		2642	my ($self, $channel, $msg, $color, @extra) = @_;
		2643
		2644	$msg = $self->pl->expand_cfpod ($msg);
		2645
		2646	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2647
		2648	# check predefined channels, for the benefit of C
		2649	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2650
		2651	if (ref $channel) {
		2652	# send meta info to client, if not yet sent
		2653	unless (exists $self->{channel}{$channel->{id}}) {
		2654	$self->{channel}{$channel->{id}} = $channel;
		2655	$self->ext_msg (channel_info => $channel)
		2656	if $self->can_msg;
		2657	}
		2658
		2659	$channel = $channel->{id};
		2660	}
		2661
		2662	return unless @extra || length $msg;
		2663
		2664	if ($self->can_msg) {
		2665	# default colour, mask it out
		2666	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2667	if $color & cf::NDI_DEF;
		2668
		2669	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2670	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2671	} else {
		2672	if ($color >= 0) {
		2673	# replace some tags by gcfclient-compatible ones
		2674	for ($msg) {
		2675	1 while
		2676	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2677	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2678	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2679	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2680	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2681	}
		2682
		2683	$color &= cf::NDI_COLOR_MASK;
		2684
		2685	utf8::encode $msg;
		2686
		2687	if (0 && $msg =~ /\[/) {
		2688	# COMMAND/INFO
		2689	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2690	} else {
		2691	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2692	$self->send_packet ("drawinfo $color $msg")
		2693	}
		2694	}
		2695	}
		2696	}
		2697
2145	=item $client->ext_event ($type, %msg)	2698	=item $client->ext_msg ($type, @msg)
2146		2699
2147	Sends an exti event to the client.	2700	Sends an ext event to the client.
2148		2701
2149	=cut	2702	=cut
2150		2703
2151	sub cf::client::ext_event($$%) {	2704	sub cf::client::ext_msg($$@) {
2152	my ($self, $type, %msg) = @_;	2705	my ($self, $type, @msg) = @_;
2153		2706
		2707	if ($self->extcmd == 2) {
		2708	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2709	} elsif ($self->extcmd == 1) { # TODO: remove
2154	$msg{msgtype} = "event_$type";	2710	push @msg, msgtype => "event_$type";
2155	$self->send_packet ("ext " . cf::to_json \%msg);	2711	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2712	}
		2713	}
		2714
		2715	=item $client->ext_reply ($msgid, @msg)
		2716
		2717	Sends an ext reply to the client.
		2718
		2719	=cut
		2720
		2721	sub cf::client::ext_reply($$@) {
		2722	my ($self, $id, @msg) = @_;
		2723
		2724	if ($self->extcmd == 2) {
		2725	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2726	} elsif ($self->extcmd == 1) {
		2727	#TODO: version 1, remove
		2728	unshift @msg, msgtype => "reply", msgid => $id;
		2729	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2730	}
2156	}	2731	}
2157		2732
2158	=item $success = $client->query ($flags, "text", \&cb)	2733	=item $success = $client->query ($flags, "text", \&cb)
2159		2734
2160	Queues a query to the client, calling the given callback with	2735	Queues a query to the client, calling the given callback with
2161	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2736	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2162	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2737	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2163		2738
2164	Queries can fail, so check the return code. Or don't, as queries will become	2739	Queries can fail, so check the return code. Or don't, as queries will
2165	reliable at some point in the future.	2740	become reliable at some point in the future.
2166		2741
2167	=cut	2742	=cut
2168		2743
2169	sub cf::client::query {	2744	sub cf::client::query {
2170	my ($self, $flags, $text, $cb) = @_;	2745	my ($self, $flags, $text, $cb) = @_;
…		…
2178	utf8::encode $text;	2753	utf8::encode $text;
2179	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2754	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2180		2755
2181	$self->send_packet ($self->{query_queue}[0][0])	2756	$self->send_packet ($self->{query_queue}[0][0])
2182	if @{ $self->{query_queue} } == 1;	2757	if @{ $self->{query_queue} } == 1;
		2758
		2759	1
2183	}	2760	}
2184		2761
2185	cf::client->attach (	2762	cf::client->attach (
		2763	on_connect => sub {
		2764	my ($ns) = @_;
		2765
		2766	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2767	},
2186	on_reply => sub {	2768	on_reply => sub {
2187	my ($ns, $msg) = @_;	2769	my ($ns, $msg) = @_;
2188		2770
2189	# this weird shuffling is so that direct followup queries	2771	# this weird shuffling is so that direct followup queries
2190	# get handled first	2772	# get handled first
…		…
2202	} else {	2784	} else {
2203	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2785	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2204	}	2786	}
2205	}	2787	}
2206	},	2788	},
		2789	on_exticmd => sub {
		2790	my ($ns, $buf) = @_;
		2791
		2792	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2793
		2794	if (ref $msg) {
		2795	my ($type, $reply, @payload) =
		2796	"ARRAY" eq ref $msg
		2797	? @$msg
		2798	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2799
		2800	my @reply;
		2801
		2802	if (my $cb = $EXTICMD{$type}) {
		2803	@reply = $cb->($ns, @payload);
		2804	}
		2805
		2806	$ns->ext_reply ($reply, @reply)
		2807	if $reply;
		2808
		2809	} else {
		2810	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2811	}
		2812
		2813	cf::override;
		2814	},
2207	);	2815	);
2208		2816
2209	=item $client->async (\&cb)	2817	=item $client->async (\&cb)
2210		2818
2211	Create a new coroutine, running the specified callback. The coroutine will	2819	Create a new coroutine, running the specified callback. The coroutine will
…		…
2252	our $safe = new Safe "safe";	2860	our $safe = new Safe "safe";
2253	our $safe_hole = new Safe::Hole;	2861	our $safe_hole = new Safe::Hole;
2254		2862
2255	$SIG{FPE} = 'IGNORE';	2863	$SIG{FPE} = 'IGNORE';
2256		2864
2257	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2865	$safe->permit_only (Opcode::opset qw(
		2866	:base_core :base_mem :base_orig :base_math
		2867	grepstart grepwhile mapstart mapwhile
		2868	sort time
		2869	));
2258		2870
2259	# here we export the classes and methods available to script code	2871	# here we export the classes and methods available to script code
2260		2872
2261	=pod	2873	=pod
2262		2874
2263	The following functions and methods are available within a safe environment:	2875	The following functions and methods are available within a safe environment:
2264		2876
2265	cf::object contr pay_amount pay_player map	2877	cf::object
		2878	contr pay_amount pay_player map x y force_find force_add
		2879	insert remove name archname title slaying race decrease_ob_nr
		2880
2266	cf::object::player player	2881	cf::object::player
2267	cf::player peaceful	2882	player
2268	cf::map trigger	2883
		2884	cf::player
		2885	peaceful
		2886
		2887	cf::map
		2888	trigger
2269		2889
2270	=cut	2890	=cut
2271		2891
2272	for (	2892	for (
2273	["cf::object" => qw(contr pay_amount pay_player map)],	2893	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2894	insert remove inv name archname title slaying race
		2895	decrease_ob_nr)],
2274	["cf::object::player" => qw(player)],	2896	["cf::object::player" => qw(player)],
2275	["cf::player" => qw(peaceful)],	2897	["cf::player" => qw(peaceful)],
2276	["cf::map" => qw(trigger)],	2898	["cf::map" => qw(trigger)],
2277	) {	2899	) {
2278	no strict 'refs';	2900	no strict 'refs';
…		…
2349	=back	2971	=back
2350		2972
2351	=cut	2973	=cut
2352		2974
2353	#############################################################################	2975	#############################################################################
2354
2355	=head2 EXTENSION DATABASE SUPPORT
2356
2357	Crossfire maintains a very simple database for extension use. It can
2358	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2359	convert to/from binary).
2360
2361	The parameter C<$family> should best start with the name of the extension
2362	using it, it should be unique.
2363
2364	=over 4
2365
2366	=item $value = cf::db_get $family => $key
2367
2368	Returns a single value from the database.
2369
2370	=item cf::db_put $family => $key => $value
2371
2372	Stores the given C<$value> in the family.
2373
2374	=cut
2375
2376	our $DB;
2377
2378	sub db_init {
2379	unless ($DB) {
2380	$DB = BDB::db_create $DB_ENV;
2381
2382	cf::sync_job {
2383	eval {
2384	$DB->set_flags (BDB::CHKSUM);
2385
2386	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2387	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2388	cf::cleanup "db_open(db): $!" if $!;
2389	};
2390	cf::cleanup "db_open(db): $@" if $@;
2391	};
2392	}
2393	}
2394
2395	sub db_get($$) {
2396	my $key = "$_[0]/$_[1]";
2397
2398	cf::sync_job {
2399	BDB::db_get $DB, undef, $key, my $data;
2400
2401	$! ? ()
2402	: $data
2403	}
2404	}
2405
2406	sub db_put($$$) {
2407	BDB::dbreq_pri 4;
2408	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2409	}
2410
2411	=item cf::cache $id => [$paths...], $processversion => $process
2412
2413	Generic caching function that returns the value of the resource $id,
2414	caching and regenerating as required.
2415
2416	This function can block.
2417
2418	=cut
2419
2420	sub cache {
2421	my ($id, $src, $processversion, $process) = @_;
2422
2423	my $meta =
2424	join "\x00",
2425	$processversion,
2426	map {
2427	aio_stat $_
2428	and Carp::croak "$_: $!";
2429
2430	($_, (stat _)[7,9])
2431	} @$src;
2432
2433	my $dbmeta = db_get cache => "$id/meta";
2434	if ($dbmeta ne $meta) {
2435	# changed, we may need to process
2436
2437	my @data;
2438	my $md5;
2439
2440	for (0 .. $#$src) {
2441	0 <= aio_load $src->[$_], $data[$_]
2442	or Carp::croak "$src->[$_]: $!";
2443	}
2444
2445	# if processing is expensive, check
2446	# checksum first
2447	if (1) {
2448	$md5 =
2449	join "\x00",
2450	$processversion,
2451	map {
2452	Coro::cede;
2453	($src->[$_], Digest::MD5::md5_hex $data[$_])
2454	} 0.. $#$src;
2455
2456
2457	my $dbmd5 = db_get cache => "$id/md5";
2458	if ($dbmd5 eq $md5) {
2459	db_put cache => "$id/meta", $meta;
2460
2461	return db_get cache => "$id/data";
2462	}
2463	}
2464
2465	my $t1 = Time::HiRes::time;
2466	my $data = $process->(\@data);
2467	my $t2 = Time::HiRes::time;
2468
2469	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2470
2471	db_put cache => "$id/data", $data;
2472	db_put cache => "$id/md5" , $md5;
2473	db_put cache => "$id/meta", $meta;
2474
2475	return $data;
2476	}
2477
2478	db_get cache => "$id/data"
2479	}
2480
2481	=item fork_call { }, $args
2482
2483	Executes the given code block with the given arguments in a seperate
2484	process, returning the results. Everything must be serialisable with
2485	Coro::Storable. May, of course, block. Note that the executed sub may
2486	never block itself or use any form of Event handling.
2487
2488	=cut
2489
2490	sub fork_call(&@) {
2491	my ($cb, @args) = @_;
2492
2493	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2494	# or die "socketpair: $!";
2495	pipe my $fh1, my $fh2
2496	or die "pipe: $!";
2497
2498	if (my $pid = fork) {
2499	close $fh2;
2500
2501	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2502	$res = Coro::Storable::thaw $res;
2503
2504	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2505
2506	die $$res unless "ARRAY" eq ref $res;
2507
2508	return wantarray ? @$res : $res->[-1];
2509	} else {
2510	reset_signals;
2511	local $SIG{__WARN__};
2512	local $SIG{__DIE__};
2513	eval {
2514	close $fh1;
2515
2516	my @res = eval { $cb->(@args) };
2517	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2518	};
2519
2520	warn $@ if $@;
2521	_exit 0;
2522	}
2523	}
2524
2525	#############################################################################
2526	# the server's init and main functions	2976	# the server's init and main functions
2527		2977
2528	sub load_facedata($) {	2978	sub load_facedata($) {
2529	my ($path) = @_;	2979	my ($path) = @_;
		2980
		2981	# HACK to clear player env face cache, we need some signal framework
		2982	# for this (global event?)
		2983	%ext::player_env::MUSIC_FACE_CACHE = ();
		2984
		2985	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2530		2986
2531	warn "loading facedata from $path\n";	2987	warn "loading facedata from $path\n";
2532		2988
2533	my $facedata;	2989	my $facedata;
2534	0 < aio_load $path, $facedata	2990	0 < aio_load $path, $facedata
…		…
2537	$facedata = Coro::Storable::thaw $facedata;	2993	$facedata = Coro::Storable::thaw $facedata;
2538		2994
2539	$facedata->{version} == 2	2995	$facedata->{version} == 2
2540	or cf::cleanup "$path: version mismatch, cannot proceed.";	2996	or cf::cleanup "$path: version mismatch, cannot proceed.";
2541		2997
		2998	# patch in the exptable
		2999	$facedata->{resource}{"res/exp_table"} = {
		3000	type => FT_RSRC,
		3001	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3002	};
		3003	cf::cede_to_tick;
		3004
2542	{	3005	{
2543	my $faces = $facedata->{faceinfo};	3006	my $faces = $facedata->{faceinfo};
2544		3007
2545	while (my ($face, $info) = each %$faces) {	3008	while (my ($face, $info) = each %$faces) {
2546	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3009	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2547	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3010	cf::face::set_visibility $idx, $info->{visibility};
		3011	cf::face::set_magicmap $idx, $info->{magicmap};
2548	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3012	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2549	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3013	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2550	Coro::cede;	3014
		3015	cf::cede_to_tick;
2551	}	3016	}
2552		3017
2553	while (my ($face, $info) = each %$faces) {	3018	while (my ($face, $info) = each %$faces) {
2554	next unless $info->{smooth};	3019	next unless $info->{smooth};
2555	my $idx = cf::face::find $face	3020	my $idx = cf::face::find $face
2556	or next;	3021	or next;
2557	if (my $smooth = cf::face::find $info->{smooth}) {	3022	if (my $smooth = cf::face::find $info->{smooth}) {
		3023	cf::face::set_smooth $idx, $smooth;
2558	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3024	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2559	} else {	3025	} else {
2560	warn "smooth face '$info->{smooth}' not found for face '$face'";	3026	warn "smooth face '$info->{smooth}' not found for face '$face'";
2561	}	3027	}
2562	Coro::cede;	3028
		3029	cf::cede_to_tick;
2563	}	3030	}
2564	}	3031	}
2565		3032
2566	{	3033	{
2567	my $anims = $facedata->{animinfo};	3034	my $anims = $facedata->{animinfo};
2568		3035
2569	while (my ($anim, $info) = each %$anims) {	3036	while (my ($anim, $info) = each %$anims) {
2570	cf::anim::set $anim, $info->{frames}, $info->{facings};	3037	cf::anim::set $anim, $info->{frames}, $info->{facings};
2571	Coro::cede;	3038	cf::cede_to_tick;
2572	}	3039	}
2573		3040
2574	cf::anim::invalidate_all; # d'oh	3041	cf::anim::invalidate_all; # d'oh
2575	}	3042	}
2576		3043
		3044	{
		3045	# TODO: for gcfclient pleasure, we should give resources
		3046	# that gcfclient doesn't grok a >10000 face index.
		3047	my $res = $facedata->{resource};
		3048
		3049	my $soundconf = delete $res->{"res/sound.conf"};
		3050
		3051	while (my ($name, $info) = each %$res) {
		3052	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3053	my $data;
		3054
		3055	if ($info->{type} & 1) {
		3056	# prepend meta info
		3057
		3058	my $meta = $enc->encode ({
		3059	name => $name,
		3060	%{ $info->{meta} || {} },
		3061	});
		3062
		3063	$data = pack "(w/a*)*", $meta, $info->{data};
		3064	} else {
		3065	$data = $info->{data};
		3066	}
		3067
		3068	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3069	cf::face::set_type $idx, $info->{type};
		3070
		3071	cf::cede_to_tick;
		3072	}
		3073
		3074	if ($soundconf) {
		3075	$soundconf = $enc->decode (delete $soundconf->{data});
		3076
		3077	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3078	my $sound = $soundconf->{compat}[$_]
		3079	or next;
		3080
		3081	my $face = cf::face::find "sound/$sound->[1]";
		3082	cf::sound::set $sound->[0] => $face;
		3083	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3084	}
		3085
		3086	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3087	my $face = cf::face::find "sound/$v";
		3088	cf::sound::set $k => $face;
		3089	}
		3090	}
		3091	}
		3092
2577	1	3093	1
2578	}	3094	}
2579		3095
		3096	register_exticmd fx_want => sub {
		3097	my ($ns, $want) = @_;
		3098
		3099	while (my ($k, $v) = each %$want) {
		3100	$ns->fx_want ($k, $v);
		3101	}
		3102	};
		3103
2580	sub reload_regions {	3104	sub reload_regions {
		3105	# HACK to clear player env face cache, we need some signal framework
		3106	# for this (global event?)
		3107	%ext::player_env::MUSIC_FACE_CACHE = ();
		3108
2581	load_resource_file "$MAPDIR/regions"	3109	load_resource_file "$MAPDIR/regions"
2582	or die "unable to load regions file\n";	3110	or die "unable to load regions file\n";
		3111
		3112	for (cf::region::list) {
		3113	$_->{match} = qr/$_->{match}/
		3114	if exists $_->{match};
		3115	}
2583	}	3116	}
2584		3117
2585	sub reload_facedata {	3118	sub reload_facedata {
2586	load_facedata "$DATADIR/facedata"	3119	load_facedata "$DATADIR/facedata"
2587	or die "unable to load facedata\n";	3120	or die "unable to load facedata\n";
2588	}	3121	}
2589		3122
2590	sub reload_archetypes {	3123	sub reload_archetypes {
		3124	load_resource_file "$DATADIR/archetypes"
		3125	or die "unable to load archetypes\n";
		3126	#d# NEED to laod twice to resolve forward references
		3127	# this really needs to be done in an extra post-pass
		3128	# (which needs to be synchronous, so solve it differently)
2591	load_resource_file "$DATADIR/archetypes"	3129	load_resource_file "$DATADIR/archetypes"
2592	or die "unable to load archetypes\n";	3130	or die "unable to load archetypes\n";
2593	}	3131	}
2594		3132
2595	sub reload_treasures {	3133	sub reload_treasures {
…		…
2611		3149
2612	sub init {	3150	sub init {
2613	reload_resources;	3151	reload_resources;
2614	}	3152	}
2615		3153
2616	sub cfg_load {	3154	sub reload_config {
2617	open my $fh, "<:utf8", "$CONFDIR/config"	3155	open my $fh, "<:utf8", "$CONFDIR/config"
2618	or return;	3156	or return;
2619		3157
2620	local $/;	3158	local $/;
2621	*CFG = YAML::Syck::Load <$fh>;	3159	*CFG = YAML::Syck::Load <$fh>;
…		…
2641	(async {	3179	(async {
2642	Event::one_event;	3180	Event::one_event;
2643	})->prio (Coro::PRIO_MAX);	3181	})->prio (Coro::PRIO_MAX);
2644	};	3182	};
2645		3183
2646	cfg_load;	3184	reload_config;
2647	db_init;	3185	db_init;
2648	load_extensions;	3186	load_extensions;
2649		3187
2650	$TICK_WATCHER->start;	3188	$TICK_WATCHER->start;
2651	Event::loop;	3189	Event::loop;
…		…
2667	},	3205	},
2668	);	3206	);
2669	}	3207	}
2670	}	3208	}
2671		3209
		3210	sub write_runtime {
		3211	my $runtime = "$LOCALDIR/runtime";
		3212
		3213	# first touch the runtime file to show we are still running:
		3214	# the fsync below can take a very very long time.
		3215
		3216	IO::AIO::aio_utime $runtime, undef, undef;
		3217
		3218	my $guard = cf::lock_acquire "write_runtime";
		3219
		3220	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3221	or return;
		3222
		3223	my $value = $cf::RUNTIME + 90 + 10;
		3224	# 10 is the runtime save interval, for a monotonic clock
		3225	# 60 allows for the watchdog to kill the server.
		3226
		3227	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3228	and return;
		3229
		3230	# always fsync - this file is important
		3231	aio_fsync $fh
		3232	and return;
		3233
		3234	# touch it again to show we are up-to-date
		3235	aio_utime $fh, undef, undef;
		3236
		3237	close $fh
		3238	or return;
		3239
		3240	aio_rename "$runtime~", $runtime
		3241	and return;
		3242
		3243	warn "runtime file written.\n";
		3244
		3245	1
		3246	}
		3247
2672	sub emergency_save() {	3248	sub emergency_save() {
2673	my $freeze_guard = cf::freeze_mainloop;	3249	my $freeze_guard = cf::freeze_mainloop;
2674		3250
2675	warn "enter emergency perl save\n";	3251	warn "enter emergency perl save\n";
2676		3252
…		…
2751	%EXT_CORO = ();	3327	%EXT_CORO = ();
2752		3328
2753	warn "removing commands";	3329	warn "removing commands";
2754	%COMMAND = ();	3330	%COMMAND = ();
2755		3331
2756	warn "removing ext commands";	3332	warn "removing ext/exti commands";
2757	%EXTCMD = ();	3333	%EXTCMD = ();
		3334	%EXTICMD = ();
2758		3335
2759	warn "unloading/nuking all extensions";	3336	warn "unloading/nuking all extensions";
2760	for my $pkg (@EXTS) {	3337	for my $pkg (@EXTS) {
2761	warn "... unloading $pkg";	3338	warn "... unloading $pkg";
2762		3339
…		…
2805	warn "reloading cf.pm";	3382	warn "reloading cf.pm";
2806	require cf;	3383	require cf;
2807	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3384	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2808		3385
2809	warn "loading config and database again";	3386	warn "loading config and database again";
2810	cf::cfg_load;	3387	cf::reload_config;
2811		3388
2812	warn "loading extensions";	3389	warn "loading extensions";
2813	cf::load_extensions;	3390	cf::load_extensions;
2814		3391
2815	warn "reattaching attachments to objects/players";	3392	warn "reattaching attachments to objects/players";
…		…
2880	my $signal = new Coro::Signal;	3457	my $signal = new Coro::Signal;
2881	push @WAIT_FOR_TICK_BEGIN, $signal;	3458	push @WAIT_FOR_TICK_BEGIN, $signal;
2882	$signal->wait;	3459	$signal->wait;
2883	}	3460	}
2884		3461
2885	my $min = 1e6;#d#
2886	my $avg = 10;
2887	$TICK_WATCHER = Event->timer (	3462	$TICK_WATCHER = Event->timer (
2888	reentrant => 0,	3463	reentrant => 0,
2889	parked => 1,	3464	parked => 1,
2890	prio => 0,	3465	prio => 0,
2891	at => $NEXT_TICK || $TICK,	3466	at => $NEXT_TICK || $TICK,
…		…
2899		3474
2900	$NOW = $tick_start = Event::time;	3475	$NOW = $tick_start = Event::time;
2901		3476
2902	cf::server_tick; # one server iteration	3477	cf::server_tick; # one server iteration
2903		3478
2904	0 && sync_job {#d#
2905	for(1..10) {
2906	my $t = Event::time;
2907	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2908	or die;
2909
2910	$map->width (50);
2911	$map->height (50);
2912	$map->alloc;
2913	$map->_load_objects ("/tmp/x.map", 1);
2914	my $t = Event::time - $t;
2915
2916	#next unless $t < 0.0013;#d#
2917	if ($t < $min) {
2918	$min = $t;
2919	}
2920	$avg = $avg * 0.99 + $t * 0.01;
2921	}
2922	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2923	exit 0;
2924	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2925	};
2926
2927	$RUNTIME += $TICK;	3479	$RUNTIME += $TICK;
2928	$NEXT_TICK += $TICK;	3480	$NEXT_TICK += $TICK;
2929		3481
2930	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3482	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2931	$NEXT_RUNTIME_WRITE = $NOW + 10;	3483	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2933	write_runtime	3485	write_runtime
2934	or warn "ERROR: unable to write runtime file: $!";	3486	or warn "ERROR: unable to write runtime file: $!";
2935	};	3487	};
2936	}	3488	}
2937		3489
2938	# my $AFTER = Event::time;
2939	# warn $AFTER - $NOW;#d#
2940
2941	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3490	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2942	$sig->send;	3491	$sig->send;
2943	}	3492	}
2944	while (my $sig = shift @WAIT_FOR_TICK) {	3493	while (my $sig = shift @WAIT_FOR_TICK) {
2945	$sig->send;	3494	$sig->send;
…		…
2955		3504
2956	$LOAD = ($NOW - $tick_start) / $TICK;	3505	$LOAD = ($NOW - $tick_start) / $TICK;
2957	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3506	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2958		3507
2959	_post_tick;	3508	_post_tick;
2960
2961
2962	},	3509	},
2963	);	3510	);
2964		3511
2965	{	3512	{
		3513	BDB::min_parallel 8;
2966	BDB::max_poll_time $TICK * 0.1;	3514	BDB::max_poll_time $TICK * 0.1;
2967	$BDB_POLL_WATCHER = Event->io (	3515	$BDB_POLL_WATCHER = Event->io (
2968	reentrant => 0,	3516	reentrant => 0,
2969	fd => BDB::poll_fileno,	3517	fd => BDB::poll_fileno,
2970	poll => 'r',	3518	poll => 'r',
2971	prio => 0,	3519	prio => 0,
2972	data => WF_AUTOCANCEL,	3520	data => WF_AUTOCANCEL,
2973	cb => \&BDB::poll_cb,	3521	cb => \&BDB::poll_cb,
2974	);	3522	);
2975	BDB::min_parallel 8;
2976		3523
2977	BDB::set_sync_prepare {	3524	BDB::set_sync_prepare {
2978	my $status;	3525	my $status;
2979	my $current = $Coro::current;	3526	my $current = $Coro::current;
2980	(	3527	(
…		…
2989	)	3536	)
2990	};	3537	};
2991		3538
2992	unless ($DB_ENV) {	3539	unless ($DB_ENV) {
2993	$DB_ENV = BDB::db_env_create;	3540	$DB_ENV = BDB::db_env_create;
		3541	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3542	| BDB::LOG_AUTOREMOVE, 1);
		3543	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3544	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2994		3545
2995	cf::sync_job {	3546	cf::sync_job {
2996	eval {	3547	eval {
2997	BDB::db_env_open	3548	BDB::db_env_open
2998	$DB_ENV,	3549	$DB_ENV,
…		…
3000	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3551	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3001	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3552	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3002	0666;	3553	0666;
3003		3554
3004	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3555	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3005
3006	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3007	$DB_ENV->set_lk_detect;
3008	};	3556	};
3009		3557
3010	cf::cleanup "db_env_open(db): $@" if $@;	3558	cf::cleanup "db_env_open(db): $@" if $@;
3011	};	3559	};
3012	}	3560	}
		3561
		3562	$BDB_DEADLOCK_WATCHER = Event->timer (
		3563	after => 3,
		3564	interval => 1,
		3565	hard => 1,
		3566	prio => 0,
		3567	data => WF_AUTOCANCEL,
		3568	cb => sub {
		3569	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3570	},
		3571	);
		3572	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3573	after => 11,
		3574	interval => 60,
		3575	hard => 1,
		3576	prio => 0,
		3577	data => WF_AUTOCANCEL,
		3578	cb => sub {
		3579	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3580	},
		3581	);
		3582	$BDB_TRICKLE_WATCHER = Event->timer (
		3583	after => 5,
		3584	interval => 10,
		3585	hard => 1,
		3586	prio => 0,
		3587	data => WF_AUTOCANCEL,
		3588	cb => sub {
		3589	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3590	},
		3591	);
3013	}	3592	}
3014		3593
3015	{	3594	{
3016	IO::AIO::min_parallel 8;	3595	IO::AIO::min_parallel 8;
3017		3596

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