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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.269 by root, Tue May 22 21:35:26 2007 UTC vs.
Revision 1.347 by root, Thu Aug 30 05:16:09 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.
…		…
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
…		…
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
…		…
716	";	894	";
717	die if $@;	895	die if $@;
718	}	896	}
719		897
720	our $override;	898	our $override;
721	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?
722		900
723	sub override {	901	sub override {
724	$override = 1;	902	$override = 1;
725	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
726	}	904	}
727		905
728	sub do_invoke {	906	sub do_invoke {
729	my $event = shift;	907	my $event = shift;
730	my $callbacks = shift;	908	my $callbacks = shift;
731		909
732	@invoke_results = ();	910	@INVOKE_RESULTS = ();
733		911
734	local $override;	912	local $override;
735		913
736	for (@$callbacks) {	914	for (@$callbacks) {
737	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
754		932
755	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
756		934
757	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
758	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
759	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		938
761	=back	939	=back
762		940
763	=cut	941	=cut
764		942
765	#############################################################################	943	#############################################################################
766	# 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	}
767		956
768	sub reattach {	957	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	959	my ($obj) = @_;
771		960
…		…
874	or return;	1063	or return;
875	$av = eval { (Storable::thaw $av)->{objs} };	1064	$av = eval { (Storable::thaw $av)->{objs} };
876	}	1065	}
877		1066
878	warn sprintf "loading %s (%d)\n",	1067	warn sprintf "loading %s (%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1068	$filename, length $data, scalar @{$av || []};
880	return ($data, $av);	1069	return ($data, $av);
881	}	1070	}
		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
882		1077
883	#############################################################################	1078	#############################################################################
884	# command handling &c	1079	# command handling &c
885		1080
886	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1095	}
901		1096
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1098
904	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.
905		1104
906	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
907	called.	1106	called.
908		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
909	=cut	1119	=cut
910		1120
911	sub register_extcmd {	1121	sub register_extcmd {
912	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
913		1123
914	$EXTCMD{$name} = $cb;	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
915	}	1131	}
916		1132
917	cf::player->attach (	1133	cf::player->attach (
918	on_command => sub {	1134	on_command => sub {
919	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
928	cf::override;	1144	cf::override;
929	},	1145	},
930	on_extcmd => sub {	1146	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
932		1148
933	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1150
935	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
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
941	} else {	1166	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1168	}
944		1169
945	cf::override;	1170	cf::override;
946	},	1171	},
947	);	1172	);
948		1173
949	sub load_extension {
950	my ($path) = @_;
951
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
953	my $base = $1;
954	my $pkg = $1;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}
977	die $@;
978	}
979
980	push @EXTS, $pkg;
981	}
982
983	sub load_extensions {	1174	sub load_extensions {
		1175	cf::sync_job {
		1176	my %todo;
		1177
984	for my $ext (<$LIBDIR/*.ext>) {	1178	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1179	next unless -r $path;
986	eval {	1180
987	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;
988	1	1238	}
989	} or warn "$ext not loaded: $@";	1239
		1240	skip:
		1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1242	unless $progress;
		1243	}
990	}	1244	};
991	}	1245	}
992		1246
993	#############################################################################	1247	#############################################################################
		1248
		1249	=back
994		1250
995	=head2 CORE EXTENSIONS	1251	=head2 CORE EXTENSIONS
996		1252
997	Functions and methods that extend core crossfire objects.	1253	Functions and methods that extend core crossfire objects.
998		1254
…		…
1069		1325
1070	aio_mkdir playerdir $pl, 0770;	1326	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1327	$pl->{last_save} = $cf::RUNTIME;
1072		1328
1073	$pl->save_pl ($path);	1329	$pl->save_pl ($path);
1074	Coro::cede;	1330	cf::cede_to_tick;
1075	}	1331	}
1076		1332
1077	sub new($) {	1333	sub new($) {
1078	my ($login) = @_;	1334	my ($login) = @_;
1079		1335
…		…
1083	$self->{deny_save} = 1;	1339	$self->{deny_save} = 1;
1084		1340
1085	$cf::PLAYER{$login} = $self;	1341	$cf::PLAYER{$login} = $self;
1086		1342
1087	$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 (@_);
1088	}	1354	}
1089		1355
1090	=item $pl->quit_character	1356	=item $pl->quit_character
1091		1357
1092	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
…		…
1186	}	1452	}
1187		1453
1188	\@paths	1454	\@paths
1189	}	1455	}
1190		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/(?<![BIUGH])</&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	# replace G<male|female> tags
		1478	|| s{G<([^>|]*)\|([^>]*)>}{
		1479	$self->gender ? $2 : $1
		1480	}ge
		1481	# replace H<hint text>
		1482	|| s{H<([^\>]*)>}
		1483	{
		1484	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1485	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1486	"")
		1487	[$self->{hintmode}]
		1488	}ge;
		1489
		1490	# create single paragraphs (very hackish)
		1491	s/(?<=\S)\n(?=\w)/ /g;
		1492
		1493	# compress some whitespace
		1494	s/\s+\n/\n/g; # ws line-ends
		1495	s/\n\n+/\n/g; # double lines
		1496	s/^\n+//; # beginning lines
		1497	s/\n+$//; # ending lines
		1498
		1499	$_
		1500	}
		1501
		1502	sub hintmode {
		1503	$_[0]{hintmode} = $_[1] if @_ > 1;
		1504	$_[0]{hintmode}
		1505	}
		1506
1191	=item $player->ext_reply ($msgid, %msg)	1507	=item $player->ext_reply ($msgid, @msg)
1192		1508
1193	Sends an ext reply to the player.	1509	Sends an ext reply to the player.
1194		1510
1195	=cut	1511	=cut
1196		1512
1197	sub ext_reply($$%) {	1513	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1514	my ($self, $id, @msg) = @_;
1199		1515
1200	$msg{msgid} = $id;	1516	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1517	}
1204		1518
1205	=item $player->ext_event ($type, %msg)	1519	=item $player->ext_msg ($type, @msg)
1206		1520
1207	Sends an ext event to the client.	1521	Sends an ext event to the client.
1208		1522
1209	=cut	1523	=cut
1210		1524
1211	sub ext_event($$%) {	1525	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1526	my ($self, $type, @msg) = @_;
1213		1527
1214	$self->ns->ext_event ($type, %msg);	1528	$self->ns->ext_msg ($type, @msg);
1215	}	1529	}
1216		1530
1217	=head3 cf::region	1531	=head3 cf::region
1218		1532
1219	=over 4	1533	=over 4
…		…
1222		1536
1223	package cf::region;	1537	package cf::region;
1224		1538
1225	=item cf::region::find_by_path $path	1539	=item cf::region::find_by_path $path
1226		1540
1227	Tries to decuce the probable region for a map knowing only its path.	1541	Tries to decuce the likely region for a map knowing only its path.
1228		1542
1229	=cut	1543	=cut
1230		1544
1231	sub find_by_path($) {	1545	sub find_by_path($) {
1232	my ($path) = @_;	1546	my ($path) = @_;
1233		1547
1234	my ($match, $specificity);	1548	my ($match, $specificity);
1235		1549
1236	for my $region (list) {	1550	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1551	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1552	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1553	if $region->specificity > $specificity;
1240	}	1554	}
1241	}	1555	}
1242		1556
…		…
1306	my ($self, $merge) = @_;	1620	my ($self, $merge) = @_;
1307		1621
1308	# we have to keep some variables in memory intact	1622	# we have to keep some variables in memory intact
1309	local $self->{path};	1623	local $self->{path};
1310	local $self->{load_path};	1624	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1625
1314	$self->SUPER::thawer_merge ($merge);	1626	$self->SUPER::thawer_merge ($merge);
1315	}	1627	}
1316		1628
1317	sub normalise {	1629	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1676	$self->init; # pass $1 etc.
1365	return $self;	1677	return $self;
1366	}	1678	}
1367	}	1679	}
1368		1680
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1681	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1682	()
1371	}	1683	}
1372		1684
1373	sub init {	1685	sub init {
1374	my ($self) = @_;	1686	my ($self) = @_;
…		…
1415	sub change_all_map_light {	1727	sub change_all_map_light {
1416	my ($change) = @_;	1728	my ($change) = @_;
1417		1729
1418	$_->change_map_light ($change)	1730	$_->change_map_light ($change)
1419	for grep $_->outdoor, values %cf::MAP;	1731	for grep $_->outdoor, values %cf::MAP;
		1732	}
		1733
		1734	sub decay_objects {
		1735	my ($self) = @_;
		1736
		1737	return if $self->{deny_reset};
		1738
		1739	$self->do_decay_objects;
1420	}	1740	}
1421		1741
1422	sub unlink_save {	1742	sub unlink_save {
1423	my ($self) = @_;	1743	my ($self) = @_;
1424		1744
…		…
1482	$self->load_header_orig	1802	$self->load_header_orig
1483	or return;	1803	or return;
1484	$self->prepare_orig;	1804	$self->prepare_orig;
1485	}	1805	}
1486		1806
		1807	$self->{deny_reset} = 1
		1808	if $self->no_reset;
		1809
1487	$self->default_region (cf::region::find_by_path $self->{path})	1810	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	1811	unless $self->default_region;
1489		1812
1490	1	1813	1
1491	}	1814	}
…		…
1506	$map->{last_save} = $cf::RUNTIME;	1829	$map->{last_save} = $cf::RUNTIME;
1507		1830
1508	$map->load_header	1831	$map->load_header
1509	or return;	1832	or return;
1510		1833
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	1835	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	1836	#$cf::WAIT_FOR_TICK->wait;
1514	$map->reset;	1837	$map->reset;
1515	undef $guard;	1838	undef $guard;
1516	return find $path;	1839	return find $path;
…		…
1529	local $self->{deny_reset} = 1; # loading can take a long time	1852	local $self->{deny_reset} = 1; # loading can take a long time
1530		1853
1531	my $path = $self->{path};	1854	my $path = $self->{path};
1532		1855
1533	{	1856	{
		1857	my $guard1 = cf::lock_acquire "map_data:$path";
1534	my $guard = cf::lock_acquire "map_load:$path";	1858	my $guard2 = cf::lock_acquire "map_load:$path";
1535		1859
1536	return if $self->in_memory != cf::MAP_SWAPPED;	1860	return if $self->in_memory != cf::MAP_SWAPPED;
1537		1861
1538	$self->in_memory (cf::MAP_LOADING);	1862	$self->in_memory (cf::MAP_LOADING);
1539		1863
1540	$self->alloc;	1864	$self->alloc;
1541		1865
1542	$self->pre_load;	1866	$self->pre_load;
1543	Coro::cede;	1867	cf::cede_to_tick;
1544		1868
1545	$self->_load_objects ($self->{load_path}, 1)	1869	$self->_load_objects ($self->{load_path}, 1)
1546	or return;	1870	or return;
1547		1871
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1872	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
…		…
1554	$self->clear_unique_items;	1878	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	1879	$self->_load_objects ($uniq, 0);
1556	}	1880	}
1557	}	1881	}
1558		1882
1559	Coro::cede;	1883	cf::cede_to_tick;
1560	# now do the right thing for maps	1884	# now do the right thing for maps
1561	$self->link_multipart_objects;	1885	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	1886	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	1887	unless $self->difficulty;
1564	Coro::cede;	1888	cf::cede_to_tick;
1565		1889
1566	unless ($self->{deny_activate}) {	1890	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	1891	$self->decay_objects;
1568	$self->fix_auto_apply;	1892	$self->fix_auto_apply;
1569	$self->update_buttons;	1893	$self->update_buttons;
1570	Coro::cede;	1894	cf::cede_to_tick;
1571	$self->set_darkness_map;	1895	$self->set_darkness_map;
1572	Coro::cede;	1896	cf::cede_to_tick;
1573	$self->activate;	1897	$self->activate;
1574	}	1898	}
		1899
		1900	$self->{last_save} = $cf::RUNTIME;
		1901	$self->last_access ($cf::RUNTIME);
1575		1902
1576	$self->in_memory (cf::MAP_IN_MEMORY);	1903	$self->in_memory (cf::MAP_IN_MEMORY);
1577	}	1904	}
1578		1905
1579	$self->post_load;	1906	$self->post_load;
…		…
1583	my ($self, $ob) = @_;	1910	my ($self, $ob) = @_;
1584		1911
1585	return find "~" . $ob->name . "/" . $self->{path}	1912	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	1913	if $self->per_player;
1587		1914
		1915	# return find "?party/" . $ob->name . "/" . $self->{path}
		1916	# if $self->per_party;
		1917
1588	$self	1918	$self
1589	}	1919	}
1590		1920
1591	# find and load all maps in the 3x3 area around a map	1921	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	1922	sub load_neighbours {
1593	my ($map) = @_;	1923	my ($map) = @_;
1594		1924
1595	my @diag; # diagonal neighbours	1925	my @neigh; # diagonal neighbours
1596		1926
1597	for (0 .. 3) {	1927	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	1928	my $neigh = $map->tile_path ($_)
1599	or next;	1929	or next;
1600	$neigh = find $neigh, $map	1930	$neigh = find $neigh, $map
1601	or next;	1931	or next;
1602	$neigh->load;	1932	$neigh->load;
1603		1933
		1934	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1935	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1936	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	1937	}
1607		1938
1608	for (@diag) {	1939	for (grep defined $_->[0], @neigh) {
		1940	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	1941	my $neigh = find $path, $origin
1610	or next;	1942	or next;
1611	$neigh->load;	1943	$neigh->load;
1612	}	1944	}
1613	}	1945	}
1614		1946
…		…
1619	}	1951	}
1620		1952
1621	sub do_load_sync {	1953	sub do_load_sync {
1622	my ($map) = @_;	1954	my ($map) = @_;
1623		1955
		1956	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1957	if $Coro::current == $Coro::main;
		1958
1624	cf::sync_job { $map->load };	1959	cf::sync_job { $map->load };
1625	}	1960	}
1626		1961
1627	our %MAP_PREFETCH;	1962	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	1963	our $MAP_PREFETCHER = undef;
1629		1964
1630	sub find_async {	1965	sub find_async {
1631	my ($path, $origin) = @_;	1966	my ($path, $origin, $load) = @_;
1632		1967
1633	$path = normalise $path, $origin && $origin->{path};	1968	$path = normalise $path, $origin && $origin->{path};
1634		1969
1635	if (my $map = $cf::MAP{$path}) {	1970	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1971	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1637	}	1972	}
1638		1973
1639	undef $MAP_PREFETCH{$path};	1974	$MAP_PREFETCH{$path} |= $load;
		1975
1640	$MAP_PREFETCHER ||= cf::async {	1976	$MAP_PREFETCHER ||= cf::async {
1641	while (%MAP_PREFETCH) {	1977	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	1978	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	1979	if (my $map = find $k) {
1644	or next;
1645	$map->load;	1980	$map->load if $v;
		1981	}
1646		1982
1647	delete $MAP_PREFETCH{$path};	1983	delete $MAP_PREFETCH{$k};
1648	}	1984	}
1649	}	1985	}
1650	undef $MAP_PREFETCHER;	1986	undef $MAP_PREFETCHER;
1651	};	1987	};
1652	$MAP_PREFETCHER->prio (6);	1988	$MAP_PREFETCHER->prio (6);
…		…
1655	}	1991	}
1656		1992
1657	sub save {	1993	sub save {
1658	my ($self) = @_;	1994	my ($self) = @_;
1659		1995
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;	1996	my $lock = cf::lock_acquire "map_data:$self->{path}";
1661		1997
1662	$self->{last_save} = $cf::RUNTIME;	1998	$self->{last_save} = $cf::RUNTIME;
1663		1999
1664	return unless $self->dirty;	2000	return unless $self->dirty;
1665		2001
…		…
1688	my ($self) = @_;	2024	my ($self) = @_;
1689		2025
1690	# save first because save cedes	2026	# save first because save cedes
1691	$self->save;	2027	$self->save;
1692		2028
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2029	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2030
1695	return if $self->players;	2031	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;	2032	return if $self->in_memory != cf::MAP_IN_MEMORY;
1697	return if $self->{deny_save};	2033	return if $self->{deny_save};
1698		2034
…		…
1702		2038
1703	sub reset_at {	2039	sub reset_at {
1704	my ($self) = @_;	2040	my ($self) = @_;
1705		2041
1706	# TODO: safety, remove and allow resettable per-player maps	2042	# TODO: safety, remove and allow resettable per-player maps
1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1708	return 1e99 if $self->{deny_reset};	2043	return 1e99 if $self->{deny_reset};
1709		2044
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2045	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2046	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2047
…		…
1723	my ($self) = @_;	2058	my ($self) = @_;
1724		2059
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2061
1727	return if $self->players;	2062	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2063
1730	warn "resetting map ", $self->path;#d#	2064	warn "resetting map ", $self->path;
1731		2065
1732	$self->in_memory (cf::MAP_SWAPPED);	2066	$self->in_memory (cf::MAP_SWAPPED);
1733		2067
1734	# need to save uniques path	2068	# need to save uniques path
1735	unless ($self->{deny_save}) {	2069	unless ($self->{deny_save}) {
…		…
1767	$cf::MAP{$self->path} = $self;	2101	$cf::MAP{$self->path} = $self;
1768		2102
1769	$self->reset; # polite request, might not happen	2103	$self->reset; # polite request, might not happen
1770	}	2104	}
1771		2105
		2106	=item $maps = cf::map::tmp_maps
		2107
		2108	Returns an arrayref with all map paths of currently instantiated and saved
		2109	maps. May block.
		2110
		2111	=cut
		2112
		2113	sub tmp_maps() {
		2114	[
		2115	map {
		2116	utf8::decode $_;
		2117	/\.map$/
		2118	? normalise $_
		2119	: ()
		2120	} @{ aio_readdir $TMPDIR or [] }
		2121	]
		2122	}
		2123
		2124	=item $maps = cf::map::random_maps
		2125
		2126	Returns an arrayref with all map paths of currently instantiated and saved
		2127	random maps. May block.
		2128
		2129	=cut
		2130
		2131	sub random_maps() {
		2132	[
		2133	map {
		2134	utf8::decode $_;
		2135	/\.map$/
		2136	? normalise "?random/$_"
		2137	: ()
		2138	} @{ aio_readdir $RANDOMDIR or [] }
		2139	]
		2140	}
		2141
1772	=item cf::map::unique_maps	2142	=item cf::map::unique_maps
1773		2143
1774	Returns an arrayref of paths of all shared maps that have	2144	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2145	instantiated unique items. May block.
1776		2146
1777	=cut	2147	=cut
1778		2148
1779	sub unique_maps() {	2149	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2150	[
1781	or return;	2151	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2152	utf8::decode $_;
1787	next if /\.pst$/;	2153	/\.map$/
1788	next unless /^$PATH_SEP/o;	2154	? normalise $_
1789		2155	: ()
1790	push @paths, cf::map::normalise $_;	2156	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2157	]
1792
1793	\@paths
1794	}	2158	}
1795		2159
1796	package cf;	2160	package cf;
1797		2161
1798	=back	2162	=back
…		…
1844		2208
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2209	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2210
1847	if ($self->{record_replies}) {	2211	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2212	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2213
1849	} else {	2214	} else {
		2215	my $pl = $self->contr;
		2216
		2217	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2218	my $dialog = $pl->{npc_dialog};
		2219	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2220
		2221	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2222	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2223	$self->message ($msg, $flags);
		2224	}
1852	}	2225	}
		2226	}
		2227
		2228	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2229
		2230	=cut
		2231
		2232	sub cf::object::send_msg {
		2233	my $pl = shift->contr
		2234	or return;
		2235	$pl->send_msg (@_);
1853	}	2236	}
1854		2237
1855	=item $player_object->may ("access")	2238	=item $player_object->may ("access")
1856		2239
1857	Returns wether the given player is authorized to access resource "access"	2240	Returns wether the given player is authorized to access resource "access"
…		…
1904	$self->deactivate_recursive;	2287	$self->deactivate_recursive;
1905		2288
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2289	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2290
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2291	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2292	if $self->map && $self->map->{path} ne "{link}";
1910		2293
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2294	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1912	}	2295	}
1913		2296
1914	sub cf::object::player::leave_link {	2297	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2298	my ($self, $map, $x, $y) = @_;
		2299
		2300	return unless $self->contr->active;
1916		2301
1917	my $link_pos = delete $self->{_link_pos};	2302	my $link_pos = delete $self->{_link_pos};
1918		2303
1919	unless ($map) {	2304	unless ($map) {
1920	# restore original map position	2305	# restore original map position
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2319	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2320	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2321	if $x <=0 && $y <= 0;
1937		2322
1938	$map->load;	2323	$map->load;
1939	$map->load_diag;	2324	$map->load_neighbours;
1940		2325
1941	return unless $self->contr->active;	2326	return unless $self->contr->active;
1942	$self->activate_recursive;	2327	$self->activate_recursive;
1943		2328
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2329	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2330	$self->enter_map ($map, $x, $y);
1946	}	2331	}
1947		2332
1948	cf::player->attach (
1949	on_logout => sub {
1950	my ($pl) = @_;
1951
1952	# abort map switching before logout
1953	if ($pl->ob->{_link_pos}) {
1954	cf::sync_job {
1955	$pl->ob->leave_link
1956	};
1957	}
1958	},
1959	on_login => sub {
1960	my ($pl) = @_;
1961
1962	# try to abort aborted map switching on player login :)
1963	# should happen only on crashes
1964	if ($pl->ob->{_link_pos}) {
1965	$pl->ob->enter_link;
1966	(async {
1967	$pl->ob->reply (undef,
1968	"There was an internal problem at your last logout, "
1969	. "the server will try to bring you to your intended destination in a second.",
1970	cf::NDI_RED);
1971	# we need this sleep as the login has a concurrent enter_exit running
1972	# and this sleep increases chances of the player not ending up in scorn
1973	Coro::Timer::sleep 1;
1974	$pl->ob->leave_link;
1975	})->prio (2);
1976	}
1977	},
1978	);
1979
1980	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2333	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1981		2334
1982	Moves the player to the given map-path and coordinates by first freezing	2335	Moves the player to the given map-path and coordinates by first freezing
1983	her, loading and preparing them map, calling the provided $check callback	2336	her, loading and preparing them map, calling the provided $check callback
1984	that has to return the map if sucecssful, and then unfreezes the player on	2337	that has to return the map if sucecssful, and then unfreezes the player on
1985	the new (success) or old (failed) map position.	2338	the new (success) or old (failed) map position. In either case, $done will
		2339	be called at the end of this process.
1986		2340
1987	=cut	2341	=cut
		2342
		2343	our $GOTOGEN;
1988		2344
1989	sub cf::object::player::goto {	2345	sub cf::object::player::goto {
1990	my ($self, $path, $x, $y, $check) = @_;	2346	my ($self, $path, $x, $y, $check, $done) = @_;
		2347
		2348	# do generation counting so two concurrent goto's will be executed in-order
		2349	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1991		2350
1992	$self->enter_link;	2351	$self->enter_link;
1993		2352
1994	(async {	2353	(async {
1995	my $map = eval {	2354	my $map = eval {
…		…
2008	if ($@) {	2367	if ($@) {
2009	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);	2368	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2010	LOG llevError | logBacktrace, Carp::longmess $@;	2369	LOG llevError | logBacktrace, Carp::longmess $@;
2011	}	2370	}
2012		2371
		2372	if ($gen == $self->{_goto_generation}) {
		2373	delete $self->{_goto_generation};
2013	$self->leave_link ($map, $x, $y);	2374	$self->leave_link ($map, $x, $y);
		2375	}
		2376
		2377	$done->() if $done;
2014	})->prio (1);	2378	})->prio (1);
2015	}	2379	}
2016		2380
2017	=item $player_object->enter_exit ($exit_object)	2381	=item $player_object->enter_exit ($exit_object)
2018		2382
…		…
2087	my $hp = $exit->stats->hp;	2451	my $hp = $exit->stats->hp;
2088	my $sp = $exit->stats->sp;	2452	my $sp = $exit->stats->sp;
2089		2453
2090	$self->enter_link;	2454	$self->enter_link;
2091		2455
		2456	# if exit is damned, update players death & WoR home-position
		2457	$self->contr->savebed ($slaying, $hp, $sp)
		2458	if $exit->flag (FLAG_DAMNED);
		2459
2092	(async {	2460	(async {
2093	$self->deactivate_recursive; # just to be sure	2461	$self->deactivate_recursive; # just to be sure
2094	unless (eval {	2462	unless (eval {
2095	$self->goto ($slaying, $hp, $sp);	2463	$self->goto ($slaying, $hp, $sp);
2096		2464
…		…
2123		2491
2124	utf8::encode $text;	2492	utf8::encode $text;
2125	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2493	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2126	}	2494	}
2127		2495
		2496	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2497
		2498	Send a drawinfo or msg packet to the client, formatting the msg for the
		2499	client if neccessary. C<$type> should be a string identifying the type of
		2500	the message, with C<log> being the default. If C<$color> is negative, suppress
		2501	the message unless the client supports the msg packet.
		2502
		2503	=cut
		2504
		2505	sub cf::client::send_msg {
		2506	my ($self, $channel, $msg, $color, @extra) = @_;
		2507
		2508	$msg = $self->pl->expand_cfpod ($msg);
		2509
		2510	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2511
		2512	if (ref $channel) {
		2513	# send meta info to client, if not yet sent
		2514	unless (exists $self->{channel}{$channel->{id}}) {
		2515	$self->{channel}{$channel->{id}} = $channel;
		2516	$self->ext_msg (channel_info => $channel);
		2517	}
		2518
		2519	$channel = $channel->{id};
		2520	}
		2521
		2522	return unless @extra || length $msg;
		2523
		2524	if ($self->can_msg) {
		2525	# default colour, mask it out
		2526	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2527	if $color & cf::NDI_DEF;
		2528
		2529	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2530	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2531	} else {
		2532	if ($color >= 0) {
		2533	# replace some tags by gcfclient-compatible ones
		2534	for ($msg) {
		2535	1 while
		2536	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2537	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2538	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2539	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2540	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2541	}
		2542
		2543	$color &= cf::NDI_COLOR_MASK;
		2544
		2545	utf8::encode $msg;
		2546
		2547	if (0 && $msg =~ /\[/) {
		2548	# COMMAND/INFO
		2549	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2550	} else {
		2551	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2552	$self->send_packet ("drawinfo $color $msg")
		2553	}
		2554	}
		2555	}
		2556	}
		2557
2128	=item $client->ext_event ($type, %msg)	2558	=item $client->ext_msg ($type, @msg)
2129		2559
2130	Sends an exti event to the client.	2560	Sends an ext event to the client.
2131		2561
2132	=cut	2562	=cut
2133		2563
2134	sub cf::client::ext_event($$%) {	2564	sub cf::client::ext_msg($$@) {
2135	my ($self, $type, %msg) = @_;	2565	my ($self, $type, @msg) = @_;
2136		2566
		2567	if ($self->extcmd == 2) {
		2568	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2569	} elsif ($self->extcmd == 1) { # TODO: remove
2137	$msg{msgtype} = "event_$type";	2570	push @msg, msgtype => "event_$type";
2138	$self->send_packet ("ext " . cf::to_json \%msg);	2571	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2572	}
		2573	}
		2574
		2575	=item $client->ext_reply ($msgid, @msg)
		2576
		2577	Sends an ext reply to the client.
		2578
		2579	=cut
		2580
		2581	sub cf::client::ext_reply($$@) {
		2582	my ($self, $id, @msg) = @_;
		2583
		2584	if ($self->extcmd == 2) {
		2585	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2586	} elsif ($self->extcmd == 1) {
		2587	#TODO: version 1, remove
		2588	unshift @msg, msgtype => "reply", msgid => $id;
		2589	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2590	}
2139	}	2591	}
2140		2592
2141	=item $success = $client->query ($flags, "text", \&cb)	2593	=item $success = $client->query ($flags, "text", \&cb)
2142		2594
2143	Queues a query to the client, calling the given callback with	2595	Queues a query to the client, calling the given callback with
2144	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2596	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2145	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2597	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2146		2598
2147	Queries can fail, so check the return code. Or don't, as queries will become	2599	Queries can fail, so check the return code. Or don't, as queries will
2148	reliable at some point in the future.	2600	become reliable at some point in the future.
2149		2601
2150	=cut	2602	=cut
2151		2603
2152	sub cf::client::query {	2604	sub cf::client::query {
2153	my ($self, $flags, $text, $cb) = @_;	2605	my ($self, $flags, $text, $cb) = @_;
…		…
2161	utf8::encode $text;	2613	utf8::encode $text;
2162	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2614	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2163		2615
2164	$self->send_packet ($self->{query_queue}[0][0])	2616	$self->send_packet ($self->{query_queue}[0][0])
2165	if @{ $self->{query_queue} } == 1;	2617	if @{ $self->{query_queue} } == 1;
		2618
		2619	1
2166	}	2620	}
2167		2621
2168	cf::client->attach (	2622	cf::client->attach (
		2623	on_connect => sub {
		2624	my ($ns) = @_;
		2625
		2626	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2627	},
2169	on_reply => sub {	2628	on_reply => sub {
2170	my ($ns, $msg) = @_;	2629	my ($ns, $msg) = @_;
2171		2630
2172	# this weird shuffling is so that direct followup queries	2631	# this weird shuffling is so that direct followup queries
2173	# get handled first	2632	# get handled first
…		…
2185	} else {	2644	} else {
2186	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2645	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2187	}	2646	}
2188	}	2647	}
2189	},	2648	},
		2649	on_exticmd => sub {
		2650	my ($ns, $buf) = @_;
		2651
		2652	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2653
		2654	if (ref $msg) {
		2655	my ($type, $reply, @payload) =
		2656	"ARRAY" eq ref $msg
		2657	? @$msg
		2658	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2659
		2660	my @reply;
		2661
		2662	if (my $cb = $EXTICMD{$type}) {
		2663	@reply = $cb->($ns, @payload);
		2664	}
		2665
		2666	$ns->ext_reply ($reply, @reply)
		2667	if $reply;
		2668
		2669	} else {
		2670	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2671	}
		2672
		2673	cf::override;
		2674	},
2190	);	2675	);
2191		2676
2192	=item $client->async (\&cb)	2677	=item $client->async (\&cb)
2193		2678
2194	Create a new coroutine, running the specified callback. The coroutine will	2679	Create a new coroutine, running the specified callback. The coroutine will
…		…
2235	our $safe = new Safe "safe";	2720	our $safe = new Safe "safe";
2236	our $safe_hole = new Safe::Hole;	2721	our $safe_hole = new Safe::Hole;
2237		2722
2238	$SIG{FPE} = 'IGNORE';	2723	$SIG{FPE} = 'IGNORE';
2239		2724
2240	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2725	$safe->permit_only (Opcode::opset qw(
		2726	:base_core :base_mem :base_orig :base_math
		2727	grepstart grepwhile mapstart mapwhile
		2728	sort time
		2729	));
2241		2730
2242	# here we export the classes and methods available to script code	2731	# here we export the classes and methods available to script code
2243		2732
2244	=pod	2733	=pod
2245		2734
2246	The following functions and methods are available within a safe environment:	2735	The following functions and methods are available within a safe environment:
2247		2736
2248	cf::object contr pay_amount pay_player map	2737	cf::object
		2738	contr pay_amount pay_player map x y force_find force_add
		2739	insert remove name archname title slaying race decrease_ob_nr
		2740
2249	cf::object::player player	2741	cf::object::player
2250	cf::player peaceful	2742	player
2251	cf::map trigger	2743
		2744	cf::player
		2745	peaceful
		2746
		2747	cf::map
		2748	trigger
2252		2749
2253	=cut	2750	=cut
2254		2751
2255	for (	2752	for (
2256	["cf::object" => qw(contr pay_amount pay_player map)],	2753	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2754	insert remove inv name archname title slaying race
		2755	decrease_ob_nr)],
2257	["cf::object::player" => qw(player)],	2756	["cf::object::player" => qw(player)],
2258	["cf::player" => qw(peaceful)],	2757	["cf::player" => qw(peaceful)],
2259	["cf::map" => qw(trigger)],	2758	["cf::map" => qw(trigger)],
2260	) {	2759	) {
2261	no strict 'refs';	2760	no strict 'refs';
…		…
2332	=back	2831	=back
2333		2832
2334	=cut	2833	=cut
2335		2834
2336	#############################################################################	2835	#############################################################################
2337
2338	=head2 EXTENSION DATABASE SUPPORT
2339
2340	Crossfire maintains a very simple database for extension use. It can
2341	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2342	convert to/from binary).
2343
2344	The parameter C<$family> should best start with the name of the extension
2345	using it, it should be unique.
2346
2347	=over 4
2348
2349	=item $value = cf::db_get $family => $key
2350
2351	Returns a single value from the database.
2352
2353	=item cf::db_put $family => $key => $value
2354
2355	Stores the given C<$value> in the family.
2356
2357	=cut
2358
2359	our $DB;
2360
2361	sub db_init {
2362	unless ($DB) {
2363	$DB = BDB::db_create $DB_ENV;
2364
2365	cf::sync_job {
2366	eval {
2367	$DB->set_flags (BDB::CHKSUM);
2368
2369	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2370	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2371	cf::cleanup "db_open(db): $!" if $!;
2372	};
2373	cf::cleanup "db_open(db): $@" if $@;
2374	};
2375	}
2376	}
2377
2378	sub db_get($$) {
2379	my $key = "$_[0]/$_[1]";
2380
2381	cf::sync_job {
2382	BDB::db_get $DB, undef, $key, my $data;
2383
2384	$! ? ()
2385	: $data
2386	}
2387	}
2388
2389	sub db_put($$$) {
2390	BDB::dbreq_pri 4;
2391	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2392	}
2393
2394	=item cf::cache $id => [$paths...], $processversion => $process
2395
2396	Generic caching function that returns the value of the resource $id,
2397	caching and regenerating as required.
2398
2399	This function can block.
2400
2401	=cut
2402
2403	sub cache {
2404	my ($id, $src, $processversion, $process) = @_;
2405
2406	my $meta =
2407	join "\x00",
2408	$processversion,
2409	map {
2410	aio_stat $_
2411	and Carp::croak "$_: $!";
2412
2413	($_, (stat _)[7,9])
2414	} @$src;
2415
2416	my $dbmeta = db_get cache => "$id/meta";
2417	if ($dbmeta ne $meta) {
2418	# changed, we may need to process
2419
2420	my @data;
2421	my $md5;
2422
2423	for (0 .. $#$src) {
2424	0 <= aio_load $src->[$_], $data[$_]
2425	or Carp::croak "$src->[$_]: $!";
2426	}
2427
2428	# if processing is expensive, check
2429	# checksum first
2430	if (1) {
2431	$md5 =
2432	join "\x00",
2433	$processversion,
2434	map {
2435	Coro::cede;
2436	($src->[$_], Digest::MD5::md5_hex $data[$_])
2437	} 0.. $#$src;
2438
2439
2440	my $dbmd5 = db_get cache => "$id/md5";
2441	if ($dbmd5 eq $md5) {
2442	db_put cache => "$id/meta", $meta;
2443
2444	return db_get cache => "$id/data";
2445	}
2446	}
2447
2448	my $t1 = Time::HiRes::time;
2449	my $data = $process->(\@data);
2450	my $t2 = Time::HiRes::time;
2451
2452	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2453
2454	db_put cache => "$id/data", $data;
2455	db_put cache => "$id/md5" , $md5;
2456	db_put cache => "$id/meta", $meta;
2457
2458	return $data;
2459	}
2460
2461	db_get cache => "$id/data"
2462	}
2463
2464	=item fork_call { }, $args
2465
2466	Executes the given code block with the given arguments in a seperate
2467	process, returning the results. Everything must be serialisable with
2468	Coro::Storable. May, of course, block. Note that the executed sub may
2469	never block itself or use any form of Event handling.
2470
2471	=cut
2472
2473	sub fork_call(&@) {
2474	my ($cb, @args) = @_;
2475
2476	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2477	# or die "socketpair: $!";
2478	pipe my $fh1, my $fh2
2479	or die "pipe: $!";
2480
2481	if (my $pid = fork) {
2482	close $fh2;
2483
2484	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2485	$res = Coro::Storable::thaw $res;
2486
2487	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2488
2489	die $$res unless "ARRAY" eq ref $res;
2490
2491	return wantarray ? @$res : $res->[-1];
2492	} else {
2493	reset_signals;
2494	local $SIG{__WARN__};
2495	local $SIG{__DIE__};
2496	eval {
2497	close $fh1;
2498
2499	my @res = eval { $cb->(@args) };
2500	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2501	};
2502
2503	warn $@ if $@;
2504	_exit 0;
2505	}
2506	}
2507
2508
2509
2510	#############################################################################
2511	# the server's init and main functions	2836	# the server's init and main functions
2512		2837
2513	sub load_facedata($) {	2838	sub load_facedata($) {
2514	my ($path) = @_;	2839	my ($path) = @_;
		2840
		2841	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2515		2842
2516	warn "loading facedata from $path\n";	2843	warn "loading facedata from $path\n";
2517		2844
2518	my $facedata;	2845	my $facedata;
2519	0 < aio_load $path, $facedata	2846	0 < aio_load $path, $facedata
…		…
2522	$facedata = Coro::Storable::thaw $facedata;	2849	$facedata = Coro::Storable::thaw $facedata;
2523		2850
2524	$facedata->{version} == 2	2851	$facedata->{version} == 2
2525	or cf::cleanup "$path: version mismatch, cannot proceed.";	2852	or cf::cleanup "$path: version mismatch, cannot proceed.";
2526		2853
		2854	# patch in the exptable
		2855	$facedata->{resource}{"res/exp_table"} = {
		2856	type => FT_RSRC,
		2857	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2858	};
		2859	cf::cede_to_tick;
		2860
2527	{	2861	{
2528	my $faces = $facedata->{faceinfo};	2862	my $faces = $facedata->{faceinfo};
2529		2863
2530	while (my ($face, $info) = each %$faces) {	2864	while (my ($face, $info) = each %$faces) {
2531	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2865	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2532	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2866	cf::face::set_visibility $idx, $info->{visibility};
		2867	cf::face::set_magicmap $idx, $info->{magicmap};
2533	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2868	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2534	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2869	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2535	Coro::cede;	2870
		2871	cf::cede_to_tick;
2536	}	2872	}
2537		2873
2538	while (my ($face, $info) = each %$faces) {	2874	while (my ($face, $info) = each %$faces) {
2539	next unless $info->{smooth};	2875	next unless $info->{smooth};
2540	my $idx = cf::face::find $face	2876	my $idx = cf::face::find $face
2541	or next;	2877	or next;
2542	if (my $smooth = cf::face::find $info->{smooth}) {	2878	if (my $smooth = cf::face::find $info->{smooth}) {
		2879	cf::face::set_smooth $idx, $smooth;
2543	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2880	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2544	} else {	2881	} else {
2545	warn "smooth face '$info->{smooth}' not found for face '$face'";	2882	warn "smooth face '$info->{smooth}' not found for face '$face'";
2546	}	2883	}
2547	Coro::cede;	2884
		2885	cf::cede_to_tick;
2548	}	2886	}
2549	}	2887	}
2550		2888
2551	{	2889	{
2552	my $anims = $facedata->{animinfo};	2890	my $anims = $facedata->{animinfo};
2553		2891
2554	while (my ($anim, $info) = each %$anims) {	2892	while (my ($anim, $info) = each %$anims) {
2555	cf::anim::set $anim, $info->{frames}, $info->{facings};	2893	cf::anim::set $anim, $info->{frames}, $info->{facings};
2556	Coro::cede;	2894	cf::cede_to_tick;
2557	}	2895	}
2558		2896
2559	cf::anim::invalidate_all; # d'oh	2897	cf::anim::invalidate_all; # d'oh
2560	}	2898	}
2561		2899
		2900	{
		2901	# TODO: for gcfclient pleasure, we should give resources
		2902	# that gcfclient doesn't grok a >10000 face index.
		2903	my $res = $facedata->{resource};
		2904
		2905	my $soundconf = delete $res->{"res/sound.conf"};
		2906
		2907	while (my ($name, $info) = each %$res) {
		2908	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2909	my $data;
		2910
		2911	if ($info->{type} & 1) {
		2912	# prepend meta info
		2913
		2914	my $meta = $enc->encode ({
		2915	name => $name,
		2916	%{ $info->{meta} || {} },
		2917	});
		2918
		2919	$data = pack "(w/a*)*", $meta, $info->{data};
		2920	} else {
		2921	$data = $info->{data};
		2922	}
		2923
		2924	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2925	cf::face::set_type $idx, $info->{type};
		2926
		2927	cf::cede_to_tick;
		2928	}
		2929
		2930	if ($soundconf) {
		2931	$soundconf = $enc->decode (delete $soundconf->{data});
		2932
		2933	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2934	my $sound = $soundconf->{compat}[$_]
		2935	or next;
		2936
		2937	my $face = cf::face::find "sound/$sound->[1]";
		2938	cf::sound::set $sound->[0] => $face;
		2939	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2940	}
		2941
		2942	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2943	my $face = cf::face::find "sound/$v";
		2944	cf::sound::set $k => $face;
		2945	}
		2946	}
		2947	}
		2948
2562	1	2949	1
2563	}	2950	}
		2951
		2952	register_exticmd fx_want => sub {
		2953	my ($ns, $want) = @_;
		2954
		2955	while (my ($k, $v) = each %$want) {
		2956	$ns->fx_want ($k, $v);
		2957	}
		2958	};
2564		2959
2565	sub reload_regions {	2960	sub reload_regions {
2566	load_resource_file "$MAPDIR/regions"	2961	load_resource_file "$MAPDIR/regions"
2567	or die "unable to load regions file\n";	2962	or die "unable to load regions file\n";
		2963
		2964	for (cf::region::list) {
		2965	$_->{match} = qr/$_->{match}/
		2966	if exists $_->{match};
		2967	}
2568	}	2968	}
2569		2969
2570	sub reload_facedata {	2970	sub reload_facedata {
2571	load_facedata "$DATADIR/facedata"	2971	load_facedata "$DATADIR/facedata"
2572	or die "unable to load facedata\n";	2972	or die "unable to load facedata\n";
2573	}	2973	}
2574		2974
2575	sub reload_archetypes {	2975	sub reload_archetypes {
2576	load_resource_file "$DATADIR/archetypes"	2976	load_resource_file "$DATADIR/archetypes"
2577	or die "unable to load archetypes\n";	2977	or die "unable to load archetypes\n";
		2978	#d# NEED to laod twice to resolve forward references
		2979	# this really needs to be done in an extra post-pass
		2980	# (which needs to be synchronous, so solve it differently)
		2981	load_resource_file "$DATADIR/archetypes"
		2982	or die "unable to load archetypes\n";
2578	}	2983	}
2579		2984
2580	sub reload_treasures {	2985	sub reload_treasures {
2581	load_resource_file "$DATADIR/treasures"	2986	load_resource_file "$DATADIR/treasures"
2582	or die "unable to load treasurelists\n";	2987	or die "unable to load treasurelists\n";
…		…
2585	sub reload_resources {	2990	sub reload_resources {
2586	warn "reloading resource files...\n";	2991	warn "reloading resource files...\n";
2587		2992
2588	reload_regions;	2993	reload_regions;
2589	reload_facedata;	2994	reload_facedata;
		2995	#reload_archetypes;#d#
2590	reload_archetypes;	2996	reload_archetypes;
2591	reload_treasures;	2997	reload_treasures;
2592		2998
2593	warn "finished reloading resource files\n";	2999	warn "finished reloading resource files\n";
2594	}	3000	}
2595		3001
2596	sub init {	3002	sub init {
2597	reload_resources;	3003	reload_resources;
2598	}	3004	}
2599		3005
2600	sub cfg_load {	3006	sub reload_config {
2601	open my $fh, "<:utf8", "$CONFDIR/config"	3007	open my $fh, "<:utf8", "$CONFDIR/config"
2602	or return;	3008	or return;
2603		3009
2604	local $/;	3010	local $/;
2605	*CFG = YAML::Syck::Load <$fh>;	3011	*CFG = YAML::Syck::Load <$fh>;
…		…
2625	(async {	3031	(async {
2626	Event::one_event;	3032	Event::one_event;
2627	})->prio (Coro::PRIO_MAX);	3033	})->prio (Coro::PRIO_MAX);
2628	};	3034	};
2629		3035
2630	cfg_load;	3036	reload_config;
2631	db_init;	3037	db_init;
2632	load_extensions;	3038	load_extensions;
2633		3039
2634	$TICK_WATCHER->start;	3040	$TICK_WATCHER->start;
2635	Event::loop;	3041	Event::loop;
…		…
2651	},	3057	},
2652	);	3058	);
2653	}	3059	}
2654	}	3060	}
2655		3061
		3062	sub write_runtime {
		3063	my $runtime = "$LOCALDIR/runtime";
		3064
		3065	# first touch the runtime file to show we are still running:
		3066	# the fsync below can take a very very long time.
		3067
		3068	IO::AIO::aio_utime $runtime, undef, undef;
		3069
		3070	my $guard = cf::lock_acquire "write_runtime";
		3071
		3072	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3073	or return;
		3074
		3075	my $value = $cf::RUNTIME + 90 + 10;
		3076	# 10 is the runtime save interval, for a monotonic clock
		3077	# 60 allows for the watchdog to kill the server.
		3078
		3079	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3080	and return;
		3081
		3082	# always fsync - this file is important
		3083	aio_fsync $fh
		3084	and return;
		3085
		3086	# touch it again to show we are up-to-date
		3087	aio_utime $fh, undef, undef;
		3088
		3089	close $fh
		3090	or return;
		3091
		3092	aio_rename "$runtime~", $runtime
		3093	and return;
		3094
		3095	warn "runtime file written.\n";
		3096
		3097	1
		3098	}
		3099
2656	sub emergency_save() {	3100	sub emergency_save() {
2657	my $freeze_guard = cf::freeze_mainloop;	3101	my $freeze_guard = cf::freeze_mainloop;
2658		3102
2659	warn "enter emergency perl save\n";	3103	warn "enter emergency perl save\n";
2660		3104
…		…
2735	%EXT_CORO = ();	3179	%EXT_CORO = ();
2736		3180
2737	warn "removing commands";	3181	warn "removing commands";
2738	%COMMAND = ();	3182	%COMMAND = ();
2739		3183
2740	warn "removing ext commands";	3184	warn "removing ext/exti commands";
2741	%EXTCMD = ();	3185	%EXTCMD = ();
		3186	%EXTICMD = ();
2742		3187
2743	warn "unloading/nuking all extensions";	3188	warn "unloading/nuking all extensions";
2744	for my $pkg (@EXTS) {	3189	for my $pkg (@EXTS) {
2745	warn "... unloading $pkg";	3190	warn "... unloading $pkg";
2746		3191
…		…
2789	warn "reloading cf.pm";	3234	warn "reloading cf.pm";
2790	require cf;	3235	require cf;
2791	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3236	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2792		3237
2793	warn "loading config and database again";	3238	warn "loading config and database again";
2794	cf::cfg_load;	3239	cf::reload_config;
2795		3240
2796	warn "loading extensions";	3241	warn "loading extensions";
2797	cf::load_extensions;	3242	cf::load_extensions;
2798		3243
2799	warn "reattaching attachments to objects/players";	3244	warn "reattaching attachments to objects/players";

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