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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.265 by root, Fri May 11 08:00:00 2007 UTC vs.
Revision 1.352 by root, Sun Sep 2 04:57:14 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;
…		…
164		168
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	169	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	170	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.	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
		178
169	=back	179	=back
170		180
171	=cut	181	=cut
172		182
173	BEGIN {	183	BEGIN {
…		…
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		204
194	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	206	# within the Safe compartment.
196	for my $pkg (qw(	207	for my $pkg (qw(
197	cf::global cf::attachable	208	cf::global cf::attachable
…		…
205	}	216	}
206		217
207	$Event::DIED = sub {	218	$Event::DIED = sub {
208	warn "error in event callback: @_";	219	warn "error in event callback: @_";
209	};	220	};
		221
		222	#############################################################################
210		223
211	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
212		225
213	=over 4	226	=over 4
214		227
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	247	$d
235	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
236	}	249	}
237		250
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
241		252
242	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
243		254
244	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
245		256
246	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
		258
		259	=cut
		260
		261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		262
		263	sub to_json ($) { $json_coder->encode ($_[0]) }
		264	sub from_json ($) { $json_coder->decode ($_[0]) }
247		265
248	=item cf::lock_wait $string	266	=item cf::lock_wait $string
249		267
250	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
251		269
…		…
253		271
254	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
255	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
256	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
257	returned.	275	returned.
		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
258		279
259	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
261		282
262	=item $locked = cf::lock_active $string	283	=item $locked = cf::lock_active $string
…		…
305	};	326	};
306	$TICK_WATCHER->stop;	327	$TICK_WATCHER->stop;
307	$guard	328	$guard
308	}	329	}
309		330
		331	=item cf::get_slot $time[, $priority[, $name]]
		332
		333	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		334	This call blocks and returns only when you have at least C<$time> seconds
		335	of cpu time till the next tick. The slot is only valid till the next cede.
		336
		337	The optional C<$name> can be used to identify the job to run. It might be
		338	used for statistical purposes and should identify the same time-class.
		339
		340	Useful for short background jobs.
		341
		342	=cut
		343
		344	our @SLOT_QUEUE;
		345	our $SLOT_QUEUE;
		346
		347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		348	$SLOT_QUEUE = Coro::async {
		349	my $signal = new Coro::Signal;
		350
		351	while () {
		352	next_job:
		353	my $avail = cf::till_tick;
		354	if ($avail > 0.01) {
		355	for (0 .. $#SLOT_QUEUE) {
		356	if ($SLOT_QUEUE[$_][0] < $avail) {
		357	my $job = splice @SLOT_QUEUE, $_, 1, ();
		358	$job->[2]->send;
		359	Coro::cede;
		360	goto next_job;
		361	}
		362	}
		363	}
		364
		365	if (@SLOT_QUEUE) {
		366	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		367	push @cf::WAIT_FOR_TICK, $signal;
		368	$signal->wait;
		369	} else {
		370	Coro::schedule;
		371	}
		372	}
		373	};
		374
		375	sub get_slot($;$$) {
		376	my ($time, $pri, $name) = @_;
		377
		378	$time = $TICK * .6 if $time > $TICK * .6;
		379	my $sig = new Coro::Signal;
		380
		381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		383	$SLOT_QUEUE->ready;
		384	$sig->wait;
		385	}
		386
310	=item cf::async { BLOCK }	387	=item cf::async { BLOCK }
311		388
312	Currently the same as Coro::async_pool, meaning you cannot use	389	Currently the same as Coro::async_pool, meaning you cannot use
313	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	390	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
314	thing you are allowed to do is call C<prio> on it.	391	thing you are allowed to do is call C<prio> on it.
…		…
317		394
318	BEGIN { *async = \&Coro::async_pool }	395	BEGIN { *async = \&Coro::async_pool }
319		396
320	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
321		398
322	The design of crossfire+ requires that the main coro ($Coro::main) is	399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	400	is always able to handle events or runnable, as Crossfire TRT is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		402	acceptable.
325		403
326	If it must be done, put the blocking parts into C<sync_job>. This will run	404	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	405	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	406	server will be frozen during this time, so the block should either finish
329	fast or be very important.	407	fast or be very important.
…		…
356	Coro::cede or Event::one_event;	434	Coro::cede or Event::one_event;
357	}	435	}
358		436
359	$time = Event::time - $time;	437	$time = Event::time - $time;
360		438
361	LOG llevError | logBacktrace, "long sync job\n"	439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5;	440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363		441
364	$tick_start += $time; # do not account sync jobs to server load	442	$tick_start += $time; # do not account sync jobs to server load
365		443
366	wantarray ? @res : $res[0]	444	wantarray ? @res : $res[0]
367	} else {	445	} else {
…		…
389	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
390		468
391	$coro	469	$coro
392	}	470	}
393		471
394	sub write_runtime {	472	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		473
397	# first touch the runtime file to show we are still running:	474	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	475	process, returning the results. Everything must be serialisable with
		476	Coro::Storable. May, of course, block. Note that the executed sub may
		477	never block itself or use any form of Event handling.
399		478
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	479	=cut
401	utime undef, undef, $fh;
402	}
403		480
404	my $guard = cf::lock_acquire "write_runtime";	481	sub fork_call(&@) {
		482	my ($cb, @args) = @_;
405		483
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	484	# we seemingly have to make a local copy of the whole thing,
407	or return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (liekly this will be rather laborious)
408		487
409	my $value = $cf::RUNTIME + 90 + 10;	488	my @res = Coro::Util::fork_eval {
410	# 10 is the runtime save interval, for a monotonic clock	489	reset_signals;
411	# 60 allows for the watchdog to kill the server.	490	&$cb
		491	}, @args;
412		492
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	493	wantarray ? @res : $res[-1]
414	and return;	494	}
415		495
416	# always fsync - this file is important	496	=item $value = cf::db_get $family => $key
417	aio_fsync $fh
418	and return;
419		497
420	# touch it again to show we are up-to-date	498	Returns a single value from the environment database.
421	utime undef, undef, $fh;
422		499
423	close $fh	500	=item cf::db_put $family => $key => $value
424	or return;
425		501
426	aio_rename "$runtime~", $runtime	502	Stores the given C<$value> in the family. It can currently store binary
427	and return;	503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
428		504
429	warn "runtime file written.\n";#d#	505	=cut
430		506
		507	our $DB;
		508
		509	sub db_init {
		510	unless ($DB) {
		511	$DB = BDB::db_create $DB_ENV;
		512
		513	cf::sync_job {
		514	eval {
		515	$DB->set_flags (BDB::CHKSUM);
		516
		517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		519	cf::cleanup "db_open(db): $!" if $!;
		520	};
		521	cf::cleanup "db_open(db): $@" if $@;
		522	};
431	1	523	}
		524	}
		525
		526	sub db_get($$) {
		527	my $key = "$_[0]/$_[1]";
		528
		529	cf::sync_job {
		530	BDB::db_get $DB, undef, $key, my $data;
		531
		532	$! ? ()
		533	: $data
		534	}
		535	}
		536
		537	sub db_put($$$) {
		538	BDB::dbreq_pri 4;
		539	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		540	}
		541
		542	=item cf::cache $id => [$paths...], $processversion => $process
		543
		544	Generic caching function that returns the value of the resource $id,
		545	caching and regenerating as required.
		546
		547	This function can block.
		548
		549	=cut
		550
		551	sub cache {
		552	my ($id, $src, $processversion, $process) = @_;
		553
		554	my $meta =
		555	join "\x00",
		556	$processversion,
		557	map {
		558	aio_stat $_
		559	and Carp::croak "$_: $!";
		560
		561	($_, (stat _)[7,9])
		562	} @$src;
		563
		564	my $dbmeta = db_get cache => "$id/meta";
		565	if ($dbmeta ne $meta) {
		566	# changed, we may need to process
		567
		568	my @data;
		569	my $md5;
		570
		571	for (0 .. $#$src) {
		572	0 <= aio_load $src->[$_], $data[$_]
		573	or Carp::croak "$src->[$_]: $!";
		574	}
		575
		576	# if processing is expensive, check
		577	# checksum first
		578	if (1) {
		579	$md5 =
		580	join "\x00",
		581	$processversion,
		582	map {
		583	cf::cede_to_tick;
		584	($src->[$_], Digest::MD5::md5_hex $data[$_])
		585	} 0.. $#$src;
		586
		587
		588	my $dbmd5 = db_get cache => "$id/md5";
		589	if ($dbmd5 eq $md5) {
		590	db_put cache => "$id/meta", $meta;
		591
		592	return db_get cache => "$id/data";
		593	}
		594	}
		595
		596	my $t1 = Time::HiRes::time;
		597	my $data = $process->(\@data);
		598	my $t2 = Time::HiRes::time;
		599
		600	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		601
		602	db_put cache => "$id/data", $data;
		603	db_put cache => "$id/md5" , $md5;
		604	db_put cache => "$id/meta", $meta;
		605
		606	return $data;
		607	}
		608
		609	db_get cache => "$id/data"
432	}	610	}
433		611
434	=item cf::datalog type => key => value, ...	612	=item cf::datalog type => key => value, ...
435		613
436	Log a datalog packet of the given type with the given key-value pairs.	614	Log a datalog packet of the given type with the given key-value pairs.
…		…
454	attach callbacks/event handlers (a collection of which is called an "attachment")	632	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
456		634
457	In the following description, CLASS can be any of C<global>, C<object>	635	In the following description, CLASS can be any of C<global>, C<object>
458	C<player>, C<client> or C<map> (i.e. the attachable objects in	636	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	637	Crossfire TRT).
460		638
461	=over 4	639	=over 4
462		640
463	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
464		642
…		…
627	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
628		806
629	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
630	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
631	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
632	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
633		811
634	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
635	my $pkg = shift @arg;	813	my $pkg = shift @arg;
636		814
637	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
666	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
667	}	845	}
668		846
669	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
670	} else {	848	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	850	}
673		851
674	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
675	}	853	}
676		854
…		…
678	if (ref $_[0]) {	856	if (ref $_[0]) {
679	_object_attach @_;	857	_object_attach @_;
680	} else {	858	} else {
681	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
682	}	860	}
		861	_recalc_want;
683	};	862	};
684		863
685	# all those should be optimised	864	# all those should be optimised
686	sub cf::attachable::detach {	865	sub cf::attachable::detach {
687	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
690	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
691	reattach ($obj);	870	reattach ($obj);
692	} else {	871	} else {
693	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
694	}	873	}
		874	_recalc_want;
695	};	875	};
696		876
697	sub cf::attachable::attached {	877	sub cf::attachable::attached {
698	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
699		879
…		…
714	";	894	";
715	die if $@;	895	die if $@;
716	}	896	}
717		897
718	our $override;	898	our $override;
719	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	899	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
720		900
721	sub override {	901	sub override {
722	$override = 1;	902	$override = 1;
723	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
724	}	904	}
725		905
726	sub do_invoke {	906	sub do_invoke {
727	my $event = shift;	907	my $event = shift;
728	my $callbacks = shift;	908	my $callbacks = shift;
729		909
730	@invoke_results = ();	910	@INVOKE_RESULTS = ();
731		911
732	local $override;	912	local $override;
733		913
734	for (@$callbacks) {	914	for (@$callbacks) {
735	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
752		932
753	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
754		934
755	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	935	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
756	removed in future versions), and there is no public API to access override	936	removed in future versions), and there is no public API to access override
757	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		938
759	=back	939	=back
760		940
761	=cut	941	=cut
762		942
763	#############################################################################	943	#############################################################################
764	# object support	944	# object support
		945	#
		946
		947	sub _can_merge {
		948	my ($ob1, $ob2) = @_;
		949
		950	local $Storable::canonical = 1;
		951	my $fob1 = Storable::freeze $ob1;
		952	my $fob2 = Storable::freeze $ob2;
		953
		954	$fob1 eq $fob2
		955	}
765		956
766	sub reattach {	957	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	959	my ($obj) = @_;
769		960
…		…
872	or return;	1063	or return;
873	$av = eval { (Storable::thaw $av)->{objs} };	1064	$av = eval { (Storable::thaw $av)->{objs} };
874	}	1065	}
875		1066
876	warn sprintf "loading %s (%d)\n",	1067	warn sprintf "loading %s (%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1068	$filename, length $data, scalar @{$av || []};
878	return ($data, $av);	1069	return ($data, $av);
879	}	1070	}
		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
880		1077
881	#############################################################################	1078	#############################################################################
882	# command handling &c	1079	# command handling &c
883		1080
884	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1095	}
899		1096
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1098
902	Register a callbackf ro execution when the client sends an extcmd packet.	1099	Register a callback for execution when the client sends an (synchronous)
		1100	extcmd packet. Ext commands will be processed in the order they are
		1101	received by the server, like other user commands. The first argument is
		1102	the logged-in player. Ext commands can only be processed after a player
		1103	has logged in successfully.
903		1104
904	If the callback returns something, it is sent back as if reply was being	1105	If the callback returns something, it is sent back as if reply was being
905	called.	1106	called.
906		1107
		1108	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1109
		1110	Register a callback for execution when the client sends an (asynchronous)
		1111	exticmd packet. Exti commands are processed by the server as soon as they
		1112	are received, i.e. out of order w.r.t. other commands. The first argument
		1113	is a client socket. Exti commands can be received anytime, even before
		1114	log-in.
		1115
		1116	If the callback returns something, it is sent back as if reply was being
		1117	called.
		1118
907	=cut	1119	=cut
908		1120
909	sub register_extcmd {	1121	sub register_extcmd {
910	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
911		1123
912	$EXTCMD{$name} = $cb;	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
913	}	1131	}
914		1132
915	cf::player->attach (	1133	cf::player->attach (
916	on_command => sub {	1134	on_command => sub {
917	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
926	cf::override;	1144	cf::override;
927	},	1145	},
928	on_extcmd => sub {	1146	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
930		1148
931	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1150
933	if (ref $msg) {	1151	if (ref $msg) {
		1152	my ($type, $reply, @payload) =
		1153	"ARRAY" eq ref $msg
		1154	? @$msg
		1155	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1156
		1157	my @reply;
		1158
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
939	} else {	1166	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1168	}
942		1169
943	cf::override;	1170	cf::override;
944	},	1171	},
945	);	1172	);
946		1173
947	sub load_extension {
948	my ($path) = @_;
949
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
951	my $base = $1;
952	my $pkg = $1;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955
956	warn "... loading '$path' into '$pkg'\n";
957
958	open my $fh, "<:utf8", $path
959	or die "$path: $!";
960
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	unless (eval $source) {
968	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	warn $@;
972	warn "mandatory extension failed to load, exiting.\n";
973	exit 1;
974	}
975	die $@;
976	}
977
978	push @EXTS, $pkg;
979	}
980
981	sub load_extensions {	1174	sub load_extensions {
		1175	cf::sync_job {
		1176	my %todo;
		1177
982	for my $ext (<$LIBDIR/*.ext>) {	1178	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1179	next unless -r $path;
984	eval {	1180
985	load_extension $ext;	1181	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1182	my $base = $1;
		1183	my $pkg = $1;
		1184	$pkg =~ s/[^[:word:]]/_/g;
		1185	$pkg = "ext::$pkg";
		1186
		1187	open my $fh, "<:utf8", $path
		1188	or die "$path: $!";
		1189
		1190	my $source = do { local $/; <$fh> };
		1191
		1192	my %ext = (
		1193	path => $path,
		1194	base => $base,
		1195	pkg => $pkg,
		1196	);
		1197
		1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1200
		1201	$ext{source} =
		1202	"package $pkg; use strict; use utf8;\n"
		1203	. "#line 1 \"$path\"\n{\n"
		1204	. $source
		1205	. "\n};\n1";
		1206
		1207	$todo{$base} = \%ext;
		1208	}
		1209
		1210	my %done;
		1211	while (%todo) {
		1212	my $progress;
		1213
		1214	while (my ($k, $v) = each %todo) {
		1215	for (split /,\s*/, $v->{meta}{depends}) {
		1216	goto skip
		1217	unless exists $done{$_};
		1218	}
		1219
		1220	warn "... loading '$k' into '$v->{pkg}'\n";
		1221
		1222	unless (eval $v->{source}) {
		1223	my $msg = $@ ? "$v->{path}: $@\n"
		1224	: "$v->{base}: extension inactive.\n";
		1225
		1226	if (exists $v->{meta}{mandatory}) {
		1227	warn $msg;
		1228	warn "mandatory extension failed to load, exiting.\n";
		1229	exit 1;
		1230	}
		1231
		1232	warn $msg;
		1233	}
		1234
		1235	$done{$k} = delete $todo{$k};
		1236	push @EXTS, $v->{pkg};
		1237	$progress = 1;
986	1	1238	}
987	} or warn "$ext not loaded: $@";	1239
		1240	skip:
		1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1242	unless $progress;
		1243	}
988	}	1244	};
989	}	1245	}
990		1246
991	#############################################################################	1247	#############################################################################
		1248
		1249	=back
992		1250
993	=head2 CORE EXTENSIONS	1251	=head2 CORE EXTENSIONS
994		1252
995	Functions and methods that extend core crossfire objects.	1253	Functions and methods that extend core crossfire objects.
996		1254
…		…
1067		1325
1068	aio_mkdir playerdir $pl, 0770;	1326	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1327	$pl->{last_save} = $cf::RUNTIME;
1070		1328
1071	$pl->save_pl ($path);	1329	$pl->save_pl ($path);
1072	Coro::cede;	1330	cf::cede_to_tick;
1073	}	1331	}
1074		1332
1075	sub new($) {	1333	sub new($) {
1076	my ($login) = @_;	1334	my ($login) = @_;
1077		1335
…		…
1081	$self->{deny_save} = 1;	1339	$self->{deny_save} = 1;
1082		1340
1083	$cf::PLAYER{$login} = $self;	1341	$cf::PLAYER{$login} = $self;
1084		1342
1085	$self	1343	$self
		1344	}
		1345
		1346	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1347
		1348	=cut
		1349
		1350	sub send_msg {
		1351	my $ns = shift->ns
		1352	or return;
		1353	$ns->send_msg (@_);
1086	}	1354	}
1087		1355
1088	=item $pl->quit_character	1356	=item $pl->quit_character
1089		1357
1090	Nukes the player without looking back. If logged in, the connection will	1358	Nukes the player without looking back. If logged in, the connection will
…		…
1184	}	1452	}
1185		1453
1186	\@paths	1454	\@paths
1187	}	1455	}
1188		1456
		1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1458
		1459	Expand crossfire pod fragments into protocol xml.
		1460
		1461	=cut
		1462
		1463	sub expand_cfpod {
		1464	((my $self), (local $_)) = @_;
		1465
		1466	# escape & and <
		1467	s/&/&amp;/g;
		1468	s/(?<![BIUGHT])</&lt;/g;
		1469
		1470	# this is buggy, it needs to properly take care of nested <'s
		1471
		1472	1 while
		1473	# replace B<>, I<>, U<> etc.
		1474	s/B<([^\>]*)>/<b>$1<\/b>/
		1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1477	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1478	# replace G<male|female> tags
		1479	|| s{G<([^>|]*)\|([^>]*)>}{
		1480	$self->gender ? $2 : $1
		1481	}ge
		1482	# replace H<hint text>
		1483	|| s{H<([^\>]*)>}
		1484	{
		1485	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1486	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1487	"")
		1488	[$self->{hintmode}]
		1489	}ge;
		1490
		1491	# create single paragraphs (very hackish)
		1492	s/(?<=\S)\n(?=\w)/ /g;
		1493
		1494	# compress some whitespace
		1495	s/\s+\n/\n/g; # ws line-ends
		1496	s/\n\n+/\n/g; # double lines
		1497	s/^\n+//; # beginning lines
		1498	s/\n+$//; # ending lines
		1499
		1500	$_
		1501	}
		1502
		1503	sub hintmode {
		1504	$_[0]{hintmode} = $_[1] if @_ > 1;
		1505	$_[0]{hintmode}
		1506	}
		1507
1189	=item $player->ext_reply ($msgid, %msg)	1508	=item $player->ext_reply ($msgid, @msg)
1190		1509
1191	Sends an ext reply to the player.	1510	Sends an ext reply to the player.
1192		1511
1193	=cut	1512	=cut
1194		1513
1195	sub ext_reply($$%) {	1514	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1515	my ($self, $id, @msg) = @_;
1197		1516
1198	$msg{msgid} = $id;	1517	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1518	}
1202		1519
1203	=item $player->ext_event ($type, %msg)	1520	=item $player->ext_msg ($type, @msg)
1204		1521
1205	Sends an ext event to the client.	1522	Sends an ext event to the client.
1206		1523
1207	=cut	1524	=cut
1208		1525
1209	sub ext_event($$%) {	1526	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1527	my ($self, $type, @msg) = @_;
1211		1528
1212	$self->ns->ext_event ($type, %msg);	1529	$self->ns->ext_msg ($type, @msg);
1213	}	1530	}
1214		1531
1215	=head3 cf::region	1532	=head3 cf::region
1216		1533
1217	=over 4	1534	=over 4
…		…
1220		1537
1221	package cf::region;	1538	package cf::region;
1222		1539
1223	=item cf::region::find_by_path $path	1540	=item cf::region::find_by_path $path
1224		1541
1225	Tries to decuce the probable region for a map knowing only its path.	1542	Tries to decuce the likely region for a map knowing only its path.
1226		1543
1227	=cut	1544	=cut
1228		1545
1229	sub find_by_path($) {	1546	sub find_by_path($) {
1230	my ($path) = @_;	1547	my ($path) = @_;
1231		1548
1232	my ($match, $specificity);	1549	my ($match, $specificity);
1233		1550
1234	for my $region (list) {	1551	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1552	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1553	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1554	if $region->specificity > $specificity;
1238	}	1555	}
1239	}	1556	}
1240		1557
…		…
1304	my ($self, $merge) = @_;	1621	my ($self, $merge) = @_;
1305		1622
1306	# we have to keep some variables in memory intact	1623	# we have to keep some variables in memory intact
1307	local $self->{path};	1624	local $self->{path};
1308	local $self->{load_path};	1625	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1626
1312	$self->SUPER::thawer_merge ($merge);	1627	$self->SUPER::thawer_merge ($merge);
1313	}	1628	}
1314		1629
1315	sub normalise {	1630	sub normalise {
…		…
1362	$self->init; # pass $1 etc.	1677	$self->init; # pass $1 etc.
1363	return $self;	1678	return $self;
1364	}	1679	}
1365	}	1680	}
1366		1681
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	1682	Carp::cluck "unable to resolve path '$path' (base '$base').";
1368	()	1683	()
1369	}	1684	}
1370		1685
1371	sub init {	1686	sub init {
1372	my ($self) = @_;	1687	my ($self) = @_;
…		…
1413	sub change_all_map_light {	1728	sub change_all_map_light {
1414	my ($change) = @_;	1729	my ($change) = @_;
1415		1730
1416	$_->change_map_light ($change)	1731	$_->change_map_light ($change)
1417	for grep $_->outdoor, values %cf::MAP;	1732	for grep $_->outdoor, values %cf::MAP;
		1733	}
		1734
		1735	sub decay_objects {
		1736	my ($self) = @_;
		1737
		1738	return if $self->{deny_reset};
		1739
		1740	$self->do_decay_objects;
1418	}	1741	}
1419		1742
1420	sub unlink_save {	1743	sub unlink_save {
1421	my ($self) = @_;	1744	my ($self) = @_;
1422		1745
…		…
1480	$self->load_header_orig	1803	$self->load_header_orig
1481	or return;	1804	or return;
1482	$self->prepare_orig;	1805	$self->prepare_orig;
1483	}	1806	}
1484		1807
		1808	$self->{deny_reset} = 1
		1809	if $self->no_reset;
		1810
1485	$self->default_region (cf::region::find_by_path $self->{path})	1811	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	1812	unless $self->default_region;
1487		1813
1488	1	1814	1
1489	}	1815	}
…		…
1504	$map->{last_save} = $cf::RUNTIME;	1830	$map->{last_save} = $cf::RUNTIME;
1505		1831
1506	$map->load_header	1832	$map->load_header
1507	or return;	1833	or return;
1508		1834
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1835	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	1836	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	1837	#$cf::WAIT_FOR_TICK->wait;
1512	$map->reset;	1838	$map->reset;
1513	undef $guard;	1839	undef $guard;
1514	return find $path;	1840	return find $path;
…		…
1527	local $self->{deny_reset} = 1; # loading can take a long time	1853	local $self->{deny_reset} = 1; # loading can take a long time
1528		1854
1529	my $path = $self->{path};	1855	my $path = $self->{path};
1530		1856
1531	{	1857	{
		1858	my $guard1 = cf::lock_acquire "map_data:$path";
1532	my $guard = cf::lock_acquire "map_load:$path";	1859	my $guard2 = cf::lock_acquire "map_load:$path";
1533		1860
1534	return if $self->in_memory != cf::MAP_SWAPPED;	1861	return if $self->in_memory != cf::MAP_SWAPPED;
1535		1862
1536	$self->in_memory (cf::MAP_LOADING);	1863	$self->in_memory (cf::MAP_LOADING);
1537		1864
1538	$self->alloc;	1865	$self->alloc;
1539		1866
1540	$self->pre_load;	1867	$self->pre_load;
1541	Coro::cede;	1868	cf::cede_to_tick;
1542		1869
1543	$self->_load_objects ($self->{load_path}, 1)	1870	$self->_load_objects ($self->{load_path}, 1)
1544	or return;	1871	or return;
1545		1872
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1873	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
…		…
1552	$self->clear_unique_items;	1879	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	1880	$self->_load_objects ($uniq, 0);
1554	}	1881	}
1555	}	1882	}
1556		1883
1557	Coro::cede;	1884	cf::cede_to_tick;
1558	# now do the right thing for maps	1885	# now do the right thing for maps
1559	$self->link_multipart_objects;	1886	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	1887	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	1888	unless $self->difficulty;
1562	Coro::cede;	1889	cf::cede_to_tick;
1563		1890
1564	unless ($self->{deny_activate}) {	1891	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	1892	$self->decay_objects;
1566	$self->fix_auto_apply;	1893	$self->fix_auto_apply;
1567	$self->update_buttons;	1894	$self->update_buttons;
1568	Coro::cede;	1895	cf::cede_to_tick;
1569	$self->set_darkness_map;	1896	$self->set_darkness_map;
1570	Coro::cede;	1897	cf::cede_to_tick;
1571	$self->activate;	1898	$self->activate;
1572	}	1899	}
		1900
		1901	$self->{last_save} = $cf::RUNTIME;
		1902	$self->last_access ($cf::RUNTIME);
1573		1903
1574	$self->in_memory (cf::MAP_IN_MEMORY);	1904	$self->in_memory (cf::MAP_IN_MEMORY);
1575	}	1905	}
1576		1906
1577	$self->post_load;	1907	$self->post_load;
…		…
1581	my ($self, $ob) = @_;	1911	my ($self, $ob) = @_;
1582		1912
1583	return find "~" . $ob->name . "/" . $self->{path}	1913	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	1914	if $self->per_player;
1585		1915
		1916	# return find "?party/" . $ob->name . "/" . $self->{path}
		1917	# if $self->per_party;
		1918
1586	$self	1919	$self
1587	}	1920	}
1588		1921
1589	# find and load all maps in the 3x3 area around a map	1922	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	1923	sub load_neighbours {
1591	my ($map) = @_;	1924	my ($map) = @_;
1592		1925
1593	my @diag; # diagonal neighbours	1926	my @neigh; # diagonal neighbours
1594		1927
1595	for (0 .. 3) {	1928	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)	1929	my $neigh = $map->tile_path ($_)
1597	or next;	1930	or next;
1598	$neigh = find $neigh, $map	1931	$neigh = find $neigh, $map
1599	or next;	1932	or next;
1600	$neigh->load;	1933	$neigh->load;
1601		1934
		1935	push @neigh,
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1936	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1937	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}	1938	}
1605		1939
1606	for (@diag) {	1940	for (grep defined $_->[0], @neigh) {
		1941	my ($path, $origin) = @$_;
1607	my $neigh = find @$_	1942	my $neigh = find $path, $origin
1608	or next;	1943	or next;
1609	$neigh->load;	1944	$neigh->load;
1610	}	1945	}
1611	}	1946	}
1612		1947
…		…
1617	}	1952	}
1618		1953
1619	sub do_load_sync {	1954	sub do_load_sync {
1620	my ($map) = @_;	1955	my ($map) = @_;
1621		1956
		1957	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1958	if $Coro::current == $Coro::main;
		1959
1622	cf::sync_job { $map->load };	1960	cf::sync_job { $map->load };
1623	}	1961	}
1624		1962
1625	our %MAP_PREFETCH;	1963	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	1964	our $MAP_PREFETCHER = undef;
1627		1965
1628	sub find_async {	1966	sub find_async {
1629	my ($path, $origin) = @_;	1967	my ($path, $origin, $load) = @_;
1630		1968
1631	$path = normalise $path, $origin && $origin->{path};	1969	$path = normalise $path, $origin && $origin->{path};
1632		1970
1633	if (my $map = $cf::MAP{$path}) {	1971	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1972	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1635	}	1973	}
1636		1974
1637	undef $MAP_PREFETCH{$path};	1975	$MAP_PREFETCH{$path} |= $load;
		1976
1638	$MAP_PREFETCHER ||= cf::async {	1977	$MAP_PREFETCHER ||= cf::async {
1639	while (%MAP_PREFETCH) {	1978	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	1979	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	1980	if (my $map = find $k) {
1642	or next;
1643	$map->load;	1981	$map->load if $v;
		1982	}
1644		1983
1645	delete $MAP_PREFETCH{$path};	1984	delete $MAP_PREFETCH{$k};
1646	}	1985	}
1647	}	1986	}
1648	undef $MAP_PREFETCHER;	1987	undef $MAP_PREFETCHER;
1649	};	1988	};
1650	$MAP_PREFETCHER->prio (6);	1989	$MAP_PREFETCHER->prio (6);
…		…
1653	}	1992	}
1654		1993
1655	sub save {	1994	sub save {
1656	my ($self) = @_;	1995	my ($self) = @_;
1657		1996
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	1997	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		1998
1660	$self->{last_save} = $cf::RUNTIME;	1999	$self->{last_save} = $cf::RUNTIME;
1661		2000
1662	return unless $self->dirty;	2001	return unless $self->dirty;
1663		2002
…		…
1686	my ($self) = @_;	2025	my ($self) = @_;
1687		2026
1688	# save first because save cedes	2027	# save first because save cedes
1689	$self->save;	2028	$self->save;
1690		2029
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2030	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2031
1693	return if $self->players;	2032	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;	2033	return if $self->in_memory != cf::MAP_IN_MEMORY;
1695	return if $self->{deny_save};	2034	return if $self->{deny_save};
1696		2035
…		…
1700		2039
1701	sub reset_at {	2040	sub reset_at {
1702	my ($self) = @_;	2041	my ($self) = @_;
1703		2042
1704	# TODO: safety, remove and allow resettable per-player maps	2043	# TODO: safety, remove and allow resettable per-player maps
1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1706	return 1e99 if $self->{deny_reset};	2044	return 1e99 if $self->{deny_reset};
1707		2045
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2046	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2047	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2048
…		…
1721	my ($self) = @_;	2059	my ($self) = @_;
1722		2060
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2061	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2062
1725	return if $self->players;	2063	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2064
1728	warn "resetting map ", $self->path;#d#	2065	warn "resetting map ", $self->path;
1729		2066
1730	$self->in_memory (cf::MAP_SWAPPED);	2067	$self->in_memory (cf::MAP_SWAPPED);
1731		2068
1732	# need to save uniques path	2069	# need to save uniques path
1733	unless ($self->{deny_save}) {	2070	unless ($self->{deny_save}) {
…		…
1750	my $nuke_counter = "aaaa";	2087	my $nuke_counter = "aaaa";
1751		2088
1752	sub nuke {	2089	sub nuke {
1753	my ($self) = @_;	2090	my ($self) = @_;
1754		2091
		2092	{
		2093	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2094
1755	delete $cf::MAP{$self->path};	2095	delete $cf::MAP{$self->path};
1756		2096
1757	$self->unlink_save;	2097	$self->unlink_save;
1758		2098
1759	bless $self, "cf::map";	2099	bless $self, "cf::map";
1760	delete $self->{deny_reset};	2100	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2101	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2102	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2103	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2104
1765	$cf::MAP{$self->path} = $self;	2105	$cf::MAP{$self->path} = $self;
		2106	}
1766		2107
1767	$self->reset; # polite request, might not happen	2108	$self->reset; # polite request, might not happen
		2109	}
		2110
		2111	=item $maps = cf::map::tmp_maps
		2112
		2113	Returns an arrayref with all map paths of currently instantiated and saved
		2114	maps. May block.
		2115
		2116	=cut
		2117
		2118	sub tmp_maps() {
		2119	[
		2120	map {
		2121	utf8::decode $_;
		2122	/\.map$/
		2123	? normalise $_
		2124	: ()
		2125	} @{ aio_readdir $TMPDIR or [] }
		2126	]
		2127	}
		2128
		2129	=item $maps = cf::map::random_maps
		2130
		2131	Returns an arrayref with all map paths of currently instantiated and saved
		2132	random maps. May block.
		2133
		2134	=cut
		2135
		2136	sub random_maps() {
		2137	[
		2138	map {
		2139	utf8::decode $_;
		2140	/\.map$/
		2141	? normalise "?random/$_"
		2142	: ()
		2143	} @{ aio_readdir $RANDOMDIR or [] }
		2144	]
1768	}	2145	}
1769		2146
1770	=item cf::map::unique_maps	2147	=item cf::map::unique_maps
1771		2148
1772	Returns an arrayref of paths of all shared maps that have	2149	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2150	instantiated unique items. May block.
1774		2151
1775	=cut	2152	=cut
1776		2153
1777	sub unique_maps() {	2154	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2155	[
1779	or return;	2156	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2157	utf8::decode $_;
1785	next if /\.pst$/;	2158	/\.map$/
1786	next unless /^$PATH_SEP/o;	2159	? normalise $_
1787		2160	: ()
1788	push @paths, cf::map::normalise $_;	2161	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2162	]
1790
1791	\@paths
1792	}	2163	}
1793		2164
1794	package cf;	2165	package cf;
1795		2166
1796	=back	2167	=back
…		…
1842		2213
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2214	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2215
1845	if ($self->{record_replies}) {	2216	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2217	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2218
1847	} else {	2219	} else {
		2220	my $pl = $self->contr;
		2221
		2222	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2223	my $dialog = $pl->{npc_dialog};
		2224	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2225
		2226	} else {
1848	$msg = $npc->name . " says: $msg" if $npc;	2227	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2228	$self->message ($msg, $flags);
		2229	}
1850	}	2230	}
		2231	}
		2232
		2233	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2234
		2235	=cut
		2236
		2237	sub cf::object::send_msg {
		2238	my $pl = shift->contr
		2239	or return;
		2240	$pl->send_msg (@_);
1851	}	2241	}
1852		2242
1853	=item $player_object->may ("access")	2243	=item $player_object->may ("access")
1854		2244
1855	Returns wether the given player is authorized to access resource "access"	2245	Returns wether the given player is authorized to access resource "access"
…		…
1902	$self->deactivate_recursive;	2292	$self->deactivate_recursive;
1903		2293
1904	return if UNIVERSAL::isa $self->map, "ext::map_link";	2294	return if UNIVERSAL::isa $self->map, "ext::map_link";
1905		2295
1906	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2296	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1907	if $self->map;	2297	if $self->map && $self->map->{path} ne "{link}";
1908		2298
1909	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2299	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1910	}	2300	}
1911		2301
1912	sub cf::object::player::leave_link {	2302	sub cf::object::player::leave_link {
1913	my ($self, $map, $x, $y) = @_;	2303	my ($self, $map, $x, $y) = @_;
		2304
		2305	return unless $self->contr->active;
1914		2306
1915	my $link_pos = delete $self->{_link_pos};	2307	my $link_pos = delete $self->{_link_pos};
1916		2308
1917	unless ($map) {	2309	unless ($map) {
1918	# restore original map position	2310	# restore original map position
…		…
1932	# use -1 or undef as default coordinates, not 0, 0	2324	# use -1 or undef as default coordinates, not 0, 0
1933	($x, $y) = ($map->enter_x, $map->enter_y)	2325	($x, $y) = ($map->enter_x, $map->enter_y)
1934	if $x <=0 && $y <= 0;	2326	if $x <=0 && $y <= 0;
1935		2327
1936	$map->load;	2328	$map->load;
1937	$map->load_diag;	2329	$map->load_neighbours;
1938		2330
1939	return unless $self->contr->active;	2331	return unless $self->contr->active;
1940	$self->activate_recursive;	2332	$self->activate_recursive;
1941		2333
1942	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2334	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1943	$self->enter_map ($map, $x, $y);	2335	$self->enter_map ($map, $x, $y);
1944	}	2336	}
1945		2337
1946	cf::player->attach (	2338	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1947	on_logout => sub {
1948	my ($pl) = @_;
1949		2339
1950	# abort map switching before logout	2340	Moves the player to the given map-path and coordinates by first freezing
1951	if ($pl->ob->{_link_pos}) {	2341	her, loading and preparing them map, calling the provided $check callback
1952	cf::sync_job {	2342	that has to return the map if sucecssful, and then unfreezes the player on
1953	$pl->ob->leave_link	2343	the new (success) or old (failed) map position. In either case, $done will
1954	};	2344	be called at the end of this process.
1955	}
1956	},
1957	on_login => sub {
1958	my ($pl) = @_;
1959		2345
1960	# try to abort aborted map switching on player login :)
1961	# should happen only on crashes
1962	if ($pl->ob->{_link_pos}) {
1963	$pl->ob->enter_link;
1964	(async {
1965	$pl->ob->reply (undef,
1966	"There was an internal problem at your last logout, "
1967	. "the server will try to bring you to your intended destination in a second.",
1968	cf::NDI_RED);
1969	# we need this sleep as the login has a concurrent enter_exit running
1970	# and this sleep increases chances of the player not ending up in scorn
1971	Coro::Timer::sleep 1;
1972	$pl->ob->leave_link;
1973	})->prio (2);
1974	}
1975	},
1976	);
1977
1978	=item $player_object->goto ($path, $x, $y)
1979
1980	=cut	2346	=cut
		2347
		2348	our $GOTOGEN;
1981		2349
1982	sub cf::object::player::goto {	2350	sub cf::object::player::goto {
1983	my ($self, $path, $x, $y) = @_;	2351	my ($self, $path, $x, $y, $check, $done) = @_;
		2352
		2353	# do generation counting so two concurrent goto's will be executed in-order
		2354	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1984		2355
1985	$self->enter_link;	2356	$self->enter_link;
1986		2357
1987	(async {	2358	(async {
1988	my $map = eval {	2359	my $map = eval {
1989	my $map = cf::map::find $path;	2360	my $map = cf::map::find $path;
		2361
		2362	if ($map) {
1990	$map = $map->customise_for ($self) if $map;	2363	$map = $map->customise_for ($self);
		2364	$map = $check->($map) if $check && $map;
		2365	} else {
		2366	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2367	}
		2368
1991	$map	2369	$map
		2370	};
		2371
		2372	if ($@) {
		2373	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2374	LOG llevError | logBacktrace, Carp::longmess $@;
1992	} or	2375	}
1993	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1994		2376
		2377	if ($gen == $self->{_goto_generation}) {
		2378	delete $self->{_goto_generation};
1995	$self->leave_link ($map, $x, $y);	2379	$self->leave_link ($map, $x, $y);
		2380	}
		2381
		2382	$done->() if $done;
1996	})->prio (1);	2383	})->prio (1);
1997	}	2384	}
1998		2385
1999	=item $player_object->enter_exit ($exit_object)	2386	=item $player_object->enter_exit ($exit_object)
2000		2387
…		…
2069	my $hp = $exit->stats->hp;	2456	my $hp = $exit->stats->hp;
2070	my $sp = $exit->stats->sp;	2457	my $sp = $exit->stats->sp;
2071		2458
2072	$self->enter_link;	2459	$self->enter_link;
2073		2460
		2461	# if exit is damned, update players death & WoR home-position
		2462	$self->contr->savebed ($slaying, $hp, $sp)
		2463	if $exit->flag (FLAG_DAMNED);
		2464
2074	(async {	2465	(async {
2075	$self->deactivate_recursive; # just to be sure	2466	$self->deactivate_recursive; # just to be sure
2076	unless (eval {	2467	unless (eval {
2077	$self->goto ($slaying, $hp, $sp);	2468	$self->goto ($slaying, $hp, $sp);
2078		2469
…		…
2105		2496
2106	utf8::encode $text;	2497	utf8::encode $text;
2107	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2498	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2108	}	2499	}
2109		2500
		2501	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2502
		2503	Send a drawinfo or msg packet to the client, formatting the msg for the
		2504	client if neccessary. C<$type> should be a string identifying the type of
		2505	the message, with C<log> being the default. If C<$color> is negative, suppress
		2506	the message unless the client supports the msg packet.
		2507
		2508	=cut
		2509
		2510	our %CHANNEL = (
		2511	"c/identify" => {
		2512	id => "identify",
		2513	title => "Identify",
		2514	reply => undef,
		2515	tooltip => "Items recently identified",
		2516	},
		2517	"c/examine" => {
		2518	id => "examine",
		2519	title => "Examine",
		2520	reply => undef,
		2521	tooltip => "Signs and other items you examined",
		2522	},
		2523	);
		2524
		2525	sub cf::client::send_msg {
		2526	my ($self, $channel, $msg, $color, @extra) = @_;
		2527
		2528	$msg = $self->pl->expand_cfpod ($msg);
		2529
		2530	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2531
		2532	# check predefined channels, for the benefit of C
		2533	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2534
		2535	if (ref $channel) {
		2536	# send meta info to client, if not yet sent
		2537	unless (exists $self->{channel}{$channel->{id}}) {
		2538	$self->{channel}{$channel->{id}} = $channel;
		2539	$self->ext_msg (channel_info => $channel);
		2540	}
		2541
		2542	$channel = $channel->{id};
		2543	}
		2544
		2545	return unless @extra || length $msg;
		2546
		2547	if ($self->can_msg) {
		2548	# default colour, mask it out
		2549	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2550	if $color & cf::NDI_DEF;
		2551
		2552	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2553	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2554	} else {
		2555	if ($color >= 0) {
		2556	# replace some tags by gcfclient-compatible ones
		2557	for ($msg) {
		2558	1 while
		2559	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2560	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2561	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2562	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2563	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2564	}
		2565
		2566	$color &= cf::NDI_COLOR_MASK;
		2567
		2568	utf8::encode $msg;
		2569
		2570	if (0 && $msg =~ /\[/) {
		2571	# COMMAND/INFO
		2572	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2573	} else {
		2574	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2575	$self->send_packet ("drawinfo $color $msg")
		2576	}
		2577	}
		2578	}
		2579	}
		2580
2110	=item $client->ext_event ($type, %msg)	2581	=item $client->ext_msg ($type, @msg)
2111		2582
2112	Sends an exti event to the client.	2583	Sends an ext event to the client.
2113		2584
2114	=cut	2585	=cut
2115		2586
2116	sub cf::client::ext_event($$%) {	2587	sub cf::client::ext_msg($$@) {
2117	my ($self, $type, %msg) = @_;	2588	my ($self, $type, @msg) = @_;
2118		2589
		2590	if ($self->extcmd == 2) {
		2591	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2592	} elsif ($self->extcmd == 1) { # TODO: remove
2119	$msg{msgtype} = "event_$type";	2593	push @msg, msgtype => "event_$type";
2120	$self->send_packet ("ext " . cf::to_json \%msg);	2594	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2595	}
		2596	}
		2597
		2598	=item $client->ext_reply ($msgid, @msg)
		2599
		2600	Sends an ext reply to the client.
		2601
		2602	=cut
		2603
		2604	sub cf::client::ext_reply($$@) {
		2605	my ($self, $id, @msg) = @_;
		2606
		2607	if ($self->extcmd == 2) {
		2608	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2609	} elsif ($self->extcmd == 1) {
		2610	#TODO: version 1, remove
		2611	unshift @msg, msgtype => "reply", msgid => $id;
		2612	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2613	}
2121	}	2614	}
2122		2615
2123	=item $success = $client->query ($flags, "text", \&cb)	2616	=item $success = $client->query ($flags, "text", \&cb)
2124		2617
2125	Queues a query to the client, calling the given callback with	2618	Queues a query to the client, calling the given callback with
2126	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2619	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2127	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2620	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2128		2621
2129	Queries can fail, so check the return code. Or don't, as queries will become	2622	Queries can fail, so check the return code. Or don't, as queries will
2130	reliable at some point in the future.	2623	become reliable at some point in the future.
2131		2624
2132	=cut	2625	=cut
2133		2626
2134	sub cf::client::query {	2627	sub cf::client::query {
2135	my ($self, $flags, $text, $cb) = @_;	2628	my ($self, $flags, $text, $cb) = @_;
…		…
2143	utf8::encode $text;	2636	utf8::encode $text;
2144	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2637	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2145		2638
2146	$self->send_packet ($self->{query_queue}[0][0])	2639	$self->send_packet ($self->{query_queue}[0][0])
2147	if @{ $self->{query_queue} } == 1;	2640	if @{ $self->{query_queue} } == 1;
		2641
		2642	1
2148	}	2643	}
2149		2644
2150	cf::client->attach (	2645	cf::client->attach (
		2646	on_connect => sub {
		2647	my ($ns) = @_;
		2648
		2649	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2650	},
2151	on_reply => sub {	2651	on_reply => sub {
2152	my ($ns, $msg) = @_;	2652	my ($ns, $msg) = @_;
2153		2653
2154	# this weird shuffling is so that direct followup queries	2654	# this weird shuffling is so that direct followup queries
2155	# get handled first	2655	# get handled first
…		…
2167	} else {	2667	} else {
2168	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2668	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2169	}	2669	}
2170	}	2670	}
2171	},	2671	},
		2672	on_exticmd => sub {
		2673	my ($ns, $buf) = @_;
		2674
		2675	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2676
		2677	if (ref $msg) {
		2678	my ($type, $reply, @payload) =
		2679	"ARRAY" eq ref $msg
		2680	? @$msg
		2681	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2682
		2683	my @reply;
		2684
		2685	if (my $cb = $EXTICMD{$type}) {
		2686	@reply = $cb->($ns, @payload);
		2687	}
		2688
		2689	$ns->ext_reply ($reply, @reply)
		2690	if $reply;
		2691
		2692	} else {
		2693	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2694	}
		2695
		2696	cf::override;
		2697	},
2172	);	2698	);
2173		2699
2174	=item $client->async (\&cb)	2700	=item $client->async (\&cb)
2175		2701
2176	Create a new coroutine, running the specified callback. The coroutine will	2702	Create a new coroutine, running the specified callback. The coroutine will
…		…
2217	our $safe = new Safe "safe";	2743	our $safe = new Safe "safe";
2218	our $safe_hole = new Safe::Hole;	2744	our $safe_hole = new Safe::Hole;
2219		2745
2220	$SIG{FPE} = 'IGNORE';	2746	$SIG{FPE} = 'IGNORE';
2221		2747
2222	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2748	$safe->permit_only (Opcode::opset qw(
		2749	:base_core :base_mem :base_orig :base_math
		2750	grepstart grepwhile mapstart mapwhile
		2751	sort time
		2752	));
2223		2753
2224	# here we export the classes and methods available to script code	2754	# here we export the classes and methods available to script code
2225		2755
2226	=pod	2756	=pod
2227		2757
2228	The following functions and methods are available within a safe environment:	2758	The following functions and methods are available within a safe environment:
2229		2759
2230	cf::object contr pay_amount pay_player map	2760	cf::object
		2761	contr pay_amount pay_player map x y force_find force_add
		2762	insert remove name archname title slaying race decrease_ob_nr
		2763
2231	cf::object::player player	2764	cf::object::player
2232	cf::player peaceful	2765	player
2233	cf::map trigger	2766
		2767	cf::player
		2768	peaceful
		2769
		2770	cf::map
		2771	trigger
2234		2772
2235	=cut	2773	=cut
2236		2774
2237	for (	2775	for (
2238	["cf::object" => qw(contr pay_amount pay_player map)],	2776	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2777	insert remove inv name archname title slaying race
		2778	decrease_ob_nr)],
2239	["cf::object::player" => qw(player)],	2779	["cf::object::player" => qw(player)],
2240	["cf::player" => qw(peaceful)],	2780	["cf::player" => qw(peaceful)],
2241	["cf::map" => qw(trigger)],	2781	["cf::map" => qw(trigger)],
2242	) {	2782	) {
2243	no strict 'refs';	2783	no strict 'refs';
…		…
2314	=back	2854	=back
2315		2855
2316	=cut	2856	=cut
2317		2857
2318	#############################################################################	2858	#############################################################################
2319
2320	=head2 EXTENSION DATABASE SUPPORT
2321
2322	Crossfire maintains a very simple database for extension use. It can
2323	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2324	convert to/from binary).
2325
2326	The parameter C<$family> should best start with the name of the extension
2327	using it, it should be unique.
2328
2329	=over 4
2330
2331	=item $value = cf::db_get $family => $key
2332
2333	Returns a single value from the database.
2334
2335	=item cf::db_put $family => $key => $value
2336
2337	Stores the given C<$value> in the family.
2338
2339	=cut
2340
2341	our $DB;
2342
2343	sub db_init {
2344	unless ($DB) {
2345	$DB = BDB::db_create $DB_ENV;
2346
2347	cf::sync_job {
2348	eval {
2349	$DB->set_flags (BDB::CHKSUM);
2350
2351	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2352	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2353	cf::cleanup "db_open(db): $!" if $!;
2354	};
2355	cf::cleanup "db_open(db): $@" if $@;
2356	};
2357	}
2358	}
2359
2360	sub db_get($$) {
2361	my $key = "$_[0]/$_[1]";
2362
2363	cf::sync_job {
2364	BDB::db_get $DB, undef, $key, my $data;
2365
2366	$! ? ()
2367	: $data
2368	}
2369	}
2370
2371	sub db_put($$$) {
2372	BDB::dbreq_pri 4;
2373	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2374	}
2375
2376	=item cf::cache $id => [$paths...], $processversion => $process
2377
2378	Generic caching function that returns the value of the resource $id,
2379	caching and regenerating as required.
2380
2381	This function can block.
2382
2383	=cut
2384
2385	sub cache {
2386	my ($id, $src, $processversion, $process) = @_;
2387
2388	my $meta =
2389	join "\x00",
2390	$processversion,
2391	map {
2392	aio_stat $_
2393	and Carp::croak "$_: $!";
2394
2395	($_, (stat _)[7,9])
2396	} @$src;
2397
2398	my $dbmeta = db_get cache => "$id/meta";
2399	if ($dbmeta ne $meta) {
2400	# changed, we may need to process
2401
2402	my @data;
2403	my $md5;
2404
2405	for (0 .. $#$src) {
2406	0 <= aio_load $src->[$_], $data[$_]
2407	or Carp::croak "$src->[$_]: $!";
2408	}
2409
2410	# if processing is expensive, check
2411	# checksum first
2412	if (1) {
2413	$md5 =
2414	join "\x00",
2415	$processversion,
2416	map {
2417	Coro::cede;
2418	($src->[$_], Digest::MD5::md5_hex $data[$_])
2419	} 0.. $#$src;
2420
2421
2422	my $dbmd5 = db_get cache => "$id/md5";
2423	if ($dbmd5 eq $md5) {
2424	db_put cache => "$id/meta", $meta;
2425
2426	return db_get cache => "$id/data";
2427	}
2428	}
2429
2430	my $t1 = Time::HiRes::time;
2431	my $data = $process->(\@data);
2432	my $t2 = Time::HiRes::time;
2433
2434	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2435
2436	db_put cache => "$id/data", $data;
2437	db_put cache => "$id/md5" , $md5;
2438	db_put cache => "$id/meta", $meta;
2439
2440	return $data;
2441	}
2442
2443	db_get cache => "$id/data"
2444	}
2445
2446	=item fork_call { }, $args
2447
2448	Executes the given code block with the given arguments in a seperate
2449	process, returning the results. Everything must be serialisable with
2450	Coro::Storable. May, of course, block. Note that the executed sub may
2451	never block itself or use any form of Event handling.
2452
2453	=cut
2454
2455	sub fork_call(&@) {
2456	my ($cb, @args) = @_;
2457
2458	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2459	# or die "socketpair: $!";
2460	pipe my $fh1, my $fh2
2461	or die "pipe: $!";
2462
2463	if (my $pid = fork) {
2464	close $fh2;
2465
2466	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2467	$res = Coro::Storable::thaw $res;
2468
2469	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2470
2471	die $$res unless "ARRAY" eq ref $res;
2472
2473	return wantarray ? @$res : $res->[-1];
2474	} else {
2475	reset_signals;
2476	local $SIG{__WARN__};
2477	local $SIG{__DIE__};
2478	eval {
2479	close $fh1;
2480
2481	my @res = eval { $cb->(@args) };
2482	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2483	};
2484
2485	warn $@ if $@;
2486	_exit 0;
2487	}
2488	}
2489
2490
2491
2492	#############################################################################
2493	# the server's init and main functions	2859	# the server's init and main functions
2494		2860
2495	sub load_facedata($) {	2861	sub load_facedata($) {
2496	my ($path) = @_;	2862	my ($path) = @_;
		2863
		2864	# HACK to clear player env face cache, we need some signal framework
		2865	# for this (global event?)
		2866	%ext::player_env::MUSIC_FACE_CACHE = ();
		2867
		2868	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2497		2869
2498	warn "loading facedata from $path\n";	2870	warn "loading facedata from $path\n";
2499		2871
2500	my $facedata;	2872	my $facedata;
2501	0 < aio_load $path, $facedata	2873	0 < aio_load $path, $facedata
…		…
2504	$facedata = Coro::Storable::thaw $facedata;	2876	$facedata = Coro::Storable::thaw $facedata;
2505		2877
2506	$facedata->{version} == 2	2878	$facedata->{version} == 2
2507	or cf::cleanup "$path: version mismatch, cannot proceed.";	2879	or cf::cleanup "$path: version mismatch, cannot proceed.";
2508		2880
		2881	# patch in the exptable
		2882	$facedata->{resource}{"res/exp_table"} = {
		2883	type => FT_RSRC,
		2884	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2885	};
		2886	cf::cede_to_tick;
		2887
2509	{	2888	{
2510	my $faces = $facedata->{faceinfo};	2889	my $faces = $facedata->{faceinfo};
2511		2890
2512	while (my ($face, $info) = each %$faces) {	2891	while (my ($face, $info) = each %$faces) {
2513	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2892	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2514	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2893	cf::face::set_visibility $idx, $info->{visibility};
		2894	cf::face::set_magicmap $idx, $info->{magicmap};
2515	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2895	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2516	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2896	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2517	Coro::cede;	2897
		2898	cf::cede_to_tick;
2518	}	2899	}
2519		2900
2520	while (my ($face, $info) = each %$faces) {	2901	while (my ($face, $info) = each %$faces) {
2521	next unless $info->{smooth};	2902	next unless $info->{smooth};
2522	my $idx = cf::face::find $face	2903	my $idx = cf::face::find $face
2523	or next;	2904	or next;
2524	if (my $smooth = cf::face::find $info->{smooth}) {	2905	if (my $smooth = cf::face::find $info->{smooth}) {
		2906	cf::face::set_smooth $idx, $smooth;
2525	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2907	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2526	} else {	2908	} else {
2527	warn "smooth face '$info->{smooth}' not found for face '$face'";	2909	warn "smooth face '$info->{smooth}' not found for face '$face'";
2528	}	2910	}
2529	Coro::cede;	2911
		2912	cf::cede_to_tick;
2530	}	2913	}
2531	}	2914	}
2532		2915
2533	{	2916	{
2534	my $anims = $facedata->{animinfo};	2917	my $anims = $facedata->{animinfo};
2535		2918
2536	while (my ($anim, $info) = each %$anims) {	2919	while (my ($anim, $info) = each %$anims) {
2537	cf::anim::set $anim, $info->{frames}, $info->{facings};	2920	cf::anim::set $anim, $info->{frames}, $info->{facings};
2538	Coro::cede;	2921	cf::cede_to_tick;
2539	}	2922	}
2540		2923
2541	cf::anim::invalidate_all; # d'oh	2924	cf::anim::invalidate_all; # d'oh
2542	}	2925	}
2543		2926
		2927	{
		2928	# TODO: for gcfclient pleasure, we should give resources
		2929	# that gcfclient doesn't grok a >10000 face index.
		2930	my $res = $facedata->{resource};
		2931
		2932	my $soundconf = delete $res->{"res/sound.conf"};
		2933
		2934	while (my ($name, $info) = each %$res) {
		2935	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2936	my $data;
		2937
		2938	if ($info->{type} & 1) {
		2939	# prepend meta info
		2940
		2941	my $meta = $enc->encode ({
		2942	name => $name,
		2943	%{ $info->{meta} || {} },
		2944	});
		2945
		2946	$data = pack "(w/a*)*", $meta, $info->{data};
		2947	} else {
		2948	$data = $info->{data};
		2949	}
		2950
		2951	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2952	cf::face::set_type $idx, $info->{type};
		2953
		2954	cf::cede_to_tick;
		2955	}
		2956
		2957	if ($soundconf) {
		2958	$soundconf = $enc->decode (delete $soundconf->{data});
		2959
		2960	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2961	my $sound = $soundconf->{compat}[$_]
		2962	or next;
		2963
		2964	my $face = cf::face::find "sound/$sound->[1]";
		2965	cf::sound::set $sound->[0] => $face;
		2966	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2967	}
		2968
		2969	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2970	my $face = cf::face::find "sound/$v";
		2971	cf::sound::set $k => $face;
		2972	}
		2973	}
		2974	}
		2975
2544	1	2976	1
2545	}	2977	}
2546		2978
		2979	register_exticmd fx_want => sub {
		2980	my ($ns, $want) = @_;
		2981
		2982	while (my ($k, $v) = each %$want) {
		2983	$ns->fx_want ($k, $v);
		2984	}
		2985	};
		2986
2547	sub reload_regions {	2987	sub reload_regions {
		2988	# HACK to clear player env face cache, we need some signal framework
		2989	# for this (global event?)
		2990	%ext::player_env::MUSIC_FACE_CACHE = ();
		2991
2548	load_resource_file "$MAPDIR/regions"	2992	load_resource_file "$MAPDIR/regions"
2549	or die "unable to load regions file\n";	2993	or die "unable to load regions file\n";
		2994
		2995	for (cf::region::list) {
		2996	$_->{match} = qr/$_->{match}/
		2997	if exists $_->{match};
		2998	}
2550	}	2999	}
2551		3000
2552	sub reload_facedata {	3001	sub reload_facedata {
2553	load_facedata "$DATADIR/facedata"	3002	load_facedata "$DATADIR/facedata"
2554	or die "unable to load facedata\n";	3003	or die "unable to load facedata\n";
2555	}	3004	}
2556		3005
2557	sub reload_archetypes {	3006	sub reload_archetypes {
2558	load_resource_file "$DATADIR/archetypes"	3007	load_resource_file "$DATADIR/archetypes"
2559	or die "unable to load archetypes\n";	3008	or die "unable to load archetypes\n";
		3009	#d# NEED to laod twice to resolve forward references
		3010	# this really needs to be done in an extra post-pass
		3011	# (which needs to be synchronous, so solve it differently)
		3012	load_resource_file "$DATADIR/archetypes"
		3013	or die "unable to load archetypes\n";
2560	}	3014	}
2561		3015
2562	sub reload_treasures {	3016	sub reload_treasures {
2563	load_resource_file "$DATADIR/treasures"	3017	load_resource_file "$DATADIR/treasures"
2564	or die "unable to load treasurelists\n";	3018	or die "unable to load treasurelists\n";
…		…
2567	sub reload_resources {	3021	sub reload_resources {
2568	warn "reloading resource files...\n";	3022	warn "reloading resource files...\n";
2569		3023
2570	reload_regions;	3024	reload_regions;
2571	reload_facedata;	3025	reload_facedata;
		3026	#reload_archetypes;#d#
2572	reload_archetypes;	3027	reload_archetypes;
2573	reload_treasures;	3028	reload_treasures;
2574		3029
2575	warn "finished reloading resource files\n";	3030	warn "finished reloading resource files\n";
2576	}	3031	}
2577		3032
2578	sub init {	3033	sub init {
2579	reload_resources;	3034	reload_resources;
2580	}	3035	}
2581		3036
2582	sub cfg_load {	3037	sub reload_config {
2583	open my $fh, "<:utf8", "$CONFDIR/config"	3038	open my $fh, "<:utf8", "$CONFDIR/config"
2584	or return;	3039	or return;
2585		3040
2586	local $/;	3041	local $/;
2587	*CFG = YAML::Syck::Load <$fh>;	3042	*CFG = YAML::Syck::Load <$fh>;
…		…
2607	(async {	3062	(async {
2608	Event::one_event;	3063	Event::one_event;
2609	})->prio (Coro::PRIO_MAX);	3064	})->prio (Coro::PRIO_MAX);
2610	};	3065	};
2611		3066
2612	cfg_load;	3067	reload_config;
2613	db_init;	3068	db_init;
2614	load_extensions;	3069	load_extensions;
2615		3070
2616	$TICK_WATCHER->start;	3071	$TICK_WATCHER->start;
2617	Event::loop;	3072	Event::loop;
…		…
2633	},	3088	},
2634	);	3089	);
2635	}	3090	}
2636	}	3091	}
2637		3092
		3093	sub write_runtime {
		3094	my $runtime = "$LOCALDIR/runtime";
		3095
		3096	# first touch the runtime file to show we are still running:
		3097	# the fsync below can take a very very long time.
		3098
		3099	IO::AIO::aio_utime $runtime, undef, undef;
		3100
		3101	my $guard = cf::lock_acquire "write_runtime";
		3102
		3103	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3104	or return;
		3105
		3106	my $value = $cf::RUNTIME + 90 + 10;
		3107	# 10 is the runtime save interval, for a monotonic clock
		3108	# 60 allows for the watchdog to kill the server.
		3109
		3110	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3111	and return;
		3112
		3113	# always fsync - this file is important
		3114	aio_fsync $fh
		3115	and return;
		3116
		3117	# touch it again to show we are up-to-date
		3118	aio_utime $fh, undef, undef;
		3119
		3120	close $fh
		3121	or return;
		3122
		3123	aio_rename "$runtime~", $runtime
		3124	and return;
		3125
		3126	warn "runtime file written.\n";
		3127
		3128	1
		3129	}
		3130
2638	sub emergency_save() {	3131	sub emergency_save() {
2639	my $freeze_guard = cf::freeze_mainloop;	3132	my $freeze_guard = cf::freeze_mainloop;
2640		3133
2641	warn "enter emergency perl save\n";	3134	warn "enter emergency perl save\n";
2642		3135
…		…
2717	%EXT_CORO = ();	3210	%EXT_CORO = ();
2718		3211
2719	warn "removing commands";	3212	warn "removing commands";
2720	%COMMAND = ();	3213	%COMMAND = ();
2721		3214
2722	warn "removing ext commands";	3215	warn "removing ext/exti commands";
2723	%EXTCMD = ();	3216	%EXTCMD = ();
		3217	%EXTICMD = ();
2724		3218
2725	warn "unloading/nuking all extensions";	3219	warn "unloading/nuking all extensions";
2726	for my $pkg (@EXTS) {	3220	for my $pkg (@EXTS) {
2727	warn "... unloading $pkg";	3221	warn "... unloading $pkg";
2728		3222
…		…
2771	warn "reloading cf.pm";	3265	warn "reloading cf.pm";
2772	require cf;	3266	require cf;
2773	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3267	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2774		3268
2775	warn "loading config and database again";	3269	warn "loading config and database again";
2776	cf::cfg_load;	3270	cf::reload_config;
2777		3271
2778	warn "loading extensions";	3272	warn "loading extensions";
2779	cf::load_extensions;	3273	cf::load_extensions;
2780		3274
2781	warn "reattaching attachments to objects/players";	3275	warn "reattaching attachments to objects/players";
…		…
2846	my $signal = new Coro::Signal;	3340	my $signal = new Coro::Signal;
2847	push @WAIT_FOR_TICK_BEGIN, $signal;	3341	push @WAIT_FOR_TICK_BEGIN, $signal;
2848	$signal->wait;	3342	$signal->wait;
2849	}	3343	}
2850		3344
		3345	my $min = 1e6;#d#
		3346	my $avg = 10;
2851	$TICK_WATCHER = Event->timer (	3347	$TICK_WATCHER = Event->timer (
2852	reentrant => 0,	3348	reentrant => 0,
2853	parked => 1,	3349	parked => 1,
2854	prio => 0,	3350	prio => 0,
2855	at => $NEXT_TICK || $TICK,	3351	at => $NEXT_TICK || $TICK,
…		…
2862	}	3358	}
2863		3359
2864	$NOW = $tick_start = Event::time;	3360	$NOW = $tick_start = Event::time;
2865		3361
2866	cf::server_tick; # one server iteration	3362	cf::server_tick; # one server iteration
		3363
		3364	0 && sync_job {#d#
		3365	for(1..10) {
		3366	my $t = Event::time;
		3367	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3368	or die;
		3369
		3370	$map->width (50);
		3371	$map->height (50);
		3372	$map->alloc;
		3373	$map->_load_objects ("/tmp/x.map", 1);
		3374	my $t = Event::time - $t;
		3375
		3376	#next unless $t < 0.0013;#d#
		3377	if ($t < $min) {
		3378	$min = $t;
		3379	}
		3380	$avg = $avg * 0.99 + $t * 0.01;
		3381	}
		3382	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3383	exit 0;
		3384	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3385	};
2867		3386
2868	$RUNTIME += $TICK;	3387	$RUNTIME += $TICK;
2869	$NEXT_TICK += $TICK;	3388	$NEXT_TICK += $TICK;
2870		3389
2871	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3390	if ($NOW >= $NEXT_RUNTIME_WRITE) {

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