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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.267 by root, Sat May 19 00:08:11 2007 UTC vs.
Revision 1.354 by root, Sun Sep 2 12:26:54 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
…		…
1147	or return [];	1413	or return [];
1148		1414
1149	my @logins;	1415	my @logins;
1150		1416
1151	for my $login (@$dirs) {	1417	for my $login (@$dirs) {
		1418	my $path = path $login;
		1419
		1420	# a .pst is a dead give-away for a valid player
		1421	unless (-e "$path.pst") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1422	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1423	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1424	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1425	}
1155		1426
1156	utf8::decode $login;	1427	utf8::decode $login;
1157	push @logins, $login;	1428	push @logins, $login;
1158	}	1429	}
1159		1430
…		…
1186	}	1457	}
1187		1458
1188	\@paths	1459	\@paths
1189	}	1460	}
1190		1461
		1462	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1463
		1464	Expand crossfire pod fragments into protocol xml.
		1465
		1466	=cut
		1467
		1468	sub expand_cfpod {
		1469	((my $self), (local $_)) = @_;
		1470
		1471	# escape & and <
		1472	s/&/&amp;/g;
		1473	s/(?<![BIUGHT])</&lt;/g;
		1474
		1475	# this is buggy, it needs to properly take care of nested <'s
		1476
		1477	1 while
		1478	# replace B<>, I<>, U<> etc.
		1479	s/B<([^\>]*)>/<b>$1<\/b>/
		1480	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1481	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1482	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1483	# replace G<male|female> tags
		1484	|| s{G<([^>|]*)\|([^>]*)>}{
		1485	$self->gender ? $2 : $1
		1486	}ge
		1487	# replace H<hint text>
		1488	|| s{H<([^\>]*)>}
		1489	{
		1490	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1491	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1492	"")
		1493	[$self->{hintmode}]
		1494	}ge;
		1495
		1496	# create single paragraphs (very hackish)
		1497	s/(?<=\S)\n(?=\w)/ /g;
		1498
		1499	# compress some whitespace
		1500	s/\s+\n/\n/g; # ws line-ends
		1501	s/\n\n+/\n/g; # double lines
		1502	s/^\n+//; # beginning lines
		1503	s/\n+$//; # ending lines
		1504
		1505	$_
		1506	}
		1507
		1508	sub hintmode {
		1509	$_[0]{hintmode} = $_[1] if @_ > 1;
		1510	$_[0]{hintmode}
		1511	}
		1512
1191	=item $player->ext_reply ($msgid, %msg)	1513	=item $player->ext_reply ($msgid, @msg)
1192		1514
1193	Sends an ext reply to the player.	1515	Sends an ext reply to the player.
1194		1516
1195	=cut	1517	=cut
1196		1518
1197	sub ext_reply($$%) {	1519	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1520	my ($self, $id, @msg) = @_;
1199		1521
1200	$msg{msgid} = $id;	1522	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1523	}
1204		1524
1205	=item $player->ext_event ($type, %msg)	1525	=item $player->ext_msg ($type, @msg)
1206		1526
1207	Sends an ext event to the client.	1527	Sends an ext event to the client.
1208		1528
1209	=cut	1529	=cut
1210		1530
1211	sub ext_event($$%) {	1531	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1532	my ($self, $type, @msg) = @_;
1213		1533
1214	$self->ns->ext_event ($type, %msg);	1534	$self->ns->ext_msg ($type, @msg);
1215	}	1535	}
1216		1536
1217	=head3 cf::region	1537	=head3 cf::region
1218		1538
1219	=over 4	1539	=over 4
…		…
1222		1542
1223	package cf::region;	1543	package cf::region;
1224		1544
1225	=item cf::region::find_by_path $path	1545	=item cf::region::find_by_path $path
1226		1546
1227	Tries to decuce the probable region for a map knowing only its path.	1547	Tries to decuce the likely region for a map knowing only its path.
1228		1548
1229	=cut	1549	=cut
1230		1550
1231	sub find_by_path($) {	1551	sub find_by_path($) {
1232	my ($path) = @_;	1552	my ($path) = @_;
1233		1553
1234	my ($match, $specificity);	1554	my ($match, $specificity);
1235		1555
1236	for my $region (list) {	1556	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1557	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1558	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1559	if $region->specificity > $specificity;
1240	}	1560	}
1241	}	1561	}
1242		1562
…		…
1306	my ($self, $merge) = @_;	1626	my ($self, $merge) = @_;
1307		1627
1308	# we have to keep some variables in memory intact	1628	# we have to keep some variables in memory intact
1309	local $self->{path};	1629	local $self->{path};
1310	local $self->{load_path};	1630	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1631
1314	$self->SUPER::thawer_merge ($merge);	1632	$self->SUPER::thawer_merge ($merge);
1315	}	1633	}
1316		1634
1317	sub normalise {	1635	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1682	$self->init; # pass $1 etc.
1365	return $self;	1683	return $self;
1366	}	1684	}
1367	}	1685	}
1368		1686
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1687	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1688	()
1371	}	1689	}
1372		1690
1373	sub init {	1691	sub init {
1374	my ($self) = @_;	1692	my ($self) = @_;
…		…
1415	sub change_all_map_light {	1733	sub change_all_map_light {
1416	my ($change) = @_;	1734	my ($change) = @_;
1417		1735
1418	$_->change_map_light ($change)	1736	$_->change_map_light ($change)
1419	for grep $_->outdoor, values %cf::MAP;	1737	for grep $_->outdoor, values %cf::MAP;
		1738	}
		1739
		1740	sub decay_objects {
		1741	my ($self) = @_;
		1742
		1743	return if $self->{deny_reset};
		1744
		1745	$self->do_decay_objects;
1420	}	1746	}
1421		1747
1422	sub unlink_save {	1748	sub unlink_save {
1423	my ($self) = @_;	1749	my ($self) = @_;
1424		1750
…		…
1482	$self->load_header_orig	1808	$self->load_header_orig
1483	or return;	1809	or return;
1484	$self->prepare_orig;	1810	$self->prepare_orig;
1485	}	1811	}
1486		1812
		1813	$self->{deny_reset} = 1
		1814	if $self->no_reset;
		1815
1487	$self->default_region (cf::region::find_by_path $self->{path})	1816	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	1817	unless $self->default_region;
1489		1818
1490	1	1819	1
1491	}	1820	}
…		…
1506	$map->{last_save} = $cf::RUNTIME;	1835	$map->{last_save} = $cf::RUNTIME;
1507		1836
1508	$map->load_header	1837	$map->load_header
1509	or return;	1838	or return;
1510		1839
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1840	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	1841	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	1842	#$cf::WAIT_FOR_TICK->wait;
1514	$map->reset;	1843	$map->reset;
1515	undef $guard;	1844	undef $guard;
1516	return find $path;	1845	return find $path;
…		…
1529	local $self->{deny_reset} = 1; # loading can take a long time	1858	local $self->{deny_reset} = 1; # loading can take a long time
1530		1859
1531	my $path = $self->{path};	1860	my $path = $self->{path};
1532		1861
1533	{	1862	{
		1863	my $guard1 = cf::lock_acquire "map_data:$path";
1534	my $guard = cf::lock_acquire "map_load:$path";	1864	my $guard2 = cf::lock_acquire "map_load:$path";
1535		1865
1536	return if $self->in_memory != cf::MAP_SWAPPED;	1866	return if $self->in_memory != cf::MAP_SWAPPED;
1537		1867
1538	$self->in_memory (cf::MAP_LOADING);	1868	$self->in_memory (cf::MAP_LOADING);
1539		1869
1540	$self->alloc;	1870	$self->alloc;
1541		1871
1542	$self->pre_load;	1872	$self->pre_load;
1543	Coro::cede;	1873	cf::cede_to_tick;
1544		1874
1545	$self->_load_objects ($self->{load_path}, 1)	1875	$self->_load_objects ($self->{load_path}, 1)
1546	or return;	1876	or return;
1547		1877
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1878	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
…		…
1554	$self->clear_unique_items;	1884	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	1885	$self->_load_objects ($uniq, 0);
1556	}	1886	}
1557	}	1887	}
1558		1888
1559	Coro::cede;	1889	cf::cede_to_tick;
1560	# now do the right thing for maps	1890	# now do the right thing for maps
1561	$self->link_multipart_objects;	1891	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	1892	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	1893	unless $self->difficulty;
1564	Coro::cede;	1894	cf::cede_to_tick;
1565		1895
1566	unless ($self->{deny_activate}) {	1896	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	1897	$self->decay_objects;
1568	$self->fix_auto_apply;	1898	$self->fix_auto_apply;
1569	$self->update_buttons;	1899	$self->update_buttons;
1570	Coro::cede;	1900	cf::cede_to_tick;
1571	$self->set_darkness_map;	1901	$self->set_darkness_map;
1572	Coro::cede;	1902	cf::cede_to_tick;
1573	$self->activate;	1903	$self->activate;
1574	}	1904	}
		1905
		1906	$self->{last_save} = $cf::RUNTIME;
		1907	$self->last_access ($cf::RUNTIME);
1575		1908
1576	$self->in_memory (cf::MAP_IN_MEMORY);	1909	$self->in_memory (cf::MAP_IN_MEMORY);
1577	}	1910	}
1578		1911
1579	$self->post_load;	1912	$self->post_load;
…		…
1583	my ($self, $ob) = @_;	1916	my ($self, $ob) = @_;
1584		1917
1585	return find "~" . $ob->name . "/" . $self->{path}	1918	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	1919	if $self->per_player;
1587		1920
		1921	# return find "?party/" . $ob->name . "/" . $self->{path}
		1922	# if $self->per_party;
		1923
1588	$self	1924	$self
1589	}	1925	}
1590		1926
1591	# find and load all maps in the 3x3 area around a map	1927	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	1928	sub load_neighbours {
1593	my ($map) = @_;	1929	my ($map) = @_;
1594		1930
1595	my @diag; # diagonal neighbours	1931	my @neigh; # diagonal neighbours
1596		1932
1597	for (0 .. 3) {	1933	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	1934	my $neigh = $map->tile_path ($_)
1599	or next;	1935	or next;
1600	$neigh = find $neigh, $map	1936	$neigh = find $neigh, $map
1601	or next;	1937	or next;
1602	$neigh->load;	1938	$neigh->load;
1603		1939
		1940	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1941	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1942	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	1943	}
1607		1944
1608	for (@diag) {	1945	for (grep defined $_->[0], @neigh) {
		1946	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	1947	my $neigh = find $path, $origin
1610	or next;	1948	or next;
1611	$neigh->load;	1949	$neigh->load;
1612	}	1950	}
1613	}	1951	}
1614		1952
…		…
1619	}	1957	}
1620		1958
1621	sub do_load_sync {	1959	sub do_load_sync {
1622	my ($map) = @_;	1960	my ($map) = @_;
1623		1961
		1962	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1963	if $Coro::current == $Coro::main;
		1964
1624	cf::sync_job { $map->load };	1965	cf::sync_job { $map->load };
1625	}	1966	}
1626		1967
1627	our %MAP_PREFETCH;	1968	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	1969	our $MAP_PREFETCHER = undef;
1629		1970
1630	sub find_async {	1971	sub find_async {
1631	my ($path, $origin) = @_;	1972	my ($path, $origin, $load) = @_;
1632		1973
1633	$path = normalise $path, $origin && $origin->{path};	1974	$path = normalise $path, $origin && $origin->{path};
1634		1975
1635	if (my $map = $cf::MAP{$path}) {	1976	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1977	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1637	}	1978	}
1638		1979
1639	undef $MAP_PREFETCH{$path};	1980	$MAP_PREFETCH{$path} |= $load;
		1981
1640	$MAP_PREFETCHER ||= cf::async {	1982	$MAP_PREFETCHER ||= cf::async {
1641	while (%MAP_PREFETCH) {	1983	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	1984	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	1985	if (my $map = find $k) {
1644	or next;
1645	$map->load;	1986	$map->load if $v;
		1987	}
1646		1988
1647	delete $MAP_PREFETCH{$path};	1989	delete $MAP_PREFETCH{$k};
1648	}	1990	}
1649	}	1991	}
1650	undef $MAP_PREFETCHER;	1992	undef $MAP_PREFETCHER;
1651	};	1993	};
1652	$MAP_PREFETCHER->prio (6);	1994	$MAP_PREFETCHER->prio (6);
…		…
1655	}	1997	}
1656		1998
1657	sub save {	1999	sub save {
1658	my ($self) = @_;	2000	my ($self) = @_;
1659		2001
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;	2002	my $lock = cf::lock_acquire "map_data:$self->{path}";
1661		2003
1662	$self->{last_save} = $cf::RUNTIME;	2004	$self->{last_save} = $cf::RUNTIME;
1663		2005
1664	return unless $self->dirty;	2006	return unless $self->dirty;
1665		2007
…		…
1688	my ($self) = @_;	2030	my ($self) = @_;
1689		2031
1690	# save first because save cedes	2032	# save first because save cedes
1691	$self->save;	2033	$self->save;
1692		2034
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2035	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2036
1695	return if $self->players;	2037	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;	2038	return if $self->in_memory != cf::MAP_IN_MEMORY;
1697	return if $self->{deny_save};	2039	return if $self->{deny_save};
1698		2040
…		…
1702		2044
1703	sub reset_at {	2045	sub reset_at {
1704	my ($self) = @_;	2046	my ($self) = @_;
1705		2047
1706	# TODO: safety, remove and allow resettable per-player maps	2048	# 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};	2049	return 1e99 if $self->{deny_reset};
1709		2050
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2051	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2052	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2053
…		…
1723	my ($self) = @_;	2064	my ($self) = @_;
1724		2065
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2066	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2067
1727	return if $self->players;	2068	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2069
1730	warn "resetting map ", $self->path;#d#	2070	warn "resetting map ", $self->path;
1731		2071
1732	$self->in_memory (cf::MAP_SWAPPED);	2072	$self->in_memory (cf::MAP_SWAPPED);
1733		2073
1734	# need to save uniques path	2074	# need to save uniques path
1735	unless ($self->{deny_save}) {	2075	unless ($self->{deny_save}) {
…		…
1752	my $nuke_counter = "aaaa";	2092	my $nuke_counter = "aaaa";
1753		2093
1754	sub nuke {	2094	sub nuke {
1755	my ($self) = @_;	2095	my ($self) = @_;
1756		2096
		2097	{
		2098	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2099
1757	delete $cf::MAP{$self->path};	2100	delete $cf::MAP{$self->path};
1758		2101
1759	$self->unlink_save;	2102	$self->unlink_save;
1760		2103
1761	bless $self, "cf::map";	2104	bless $self, "cf::map";
1762	delete $self->{deny_reset};	2105	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2106	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2107	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2108	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2109
1767	$cf::MAP{$self->path} = $self;	2110	$cf::MAP{$self->path} = $self;
		2111	}
1768		2112
1769	$self->reset; # polite request, might not happen	2113	$self->reset; # polite request, might not happen
		2114	}
		2115
		2116	=item $maps = cf::map::tmp_maps
		2117
		2118	Returns an arrayref with all map paths of currently instantiated and saved
		2119	maps. May block.
		2120
		2121	=cut
		2122
		2123	sub tmp_maps() {
		2124	[
		2125	map {
		2126	utf8::decode $_;
		2127	/\.map$/
		2128	? normalise $_
		2129	: ()
		2130	} @{ aio_readdir $TMPDIR or [] }
		2131	]
		2132	}
		2133
		2134	=item $maps = cf::map::random_maps
		2135
		2136	Returns an arrayref with all map paths of currently instantiated and saved
		2137	random maps. May block.
		2138
		2139	=cut
		2140
		2141	sub random_maps() {
		2142	[
		2143	map {
		2144	utf8::decode $_;
		2145	/\.map$/
		2146	? normalise "?random/$_"
		2147	: ()
		2148	} @{ aio_readdir $RANDOMDIR or [] }
		2149	]
1770	}	2150	}
1771		2151
1772	=item cf::map::unique_maps	2152	=item cf::map::unique_maps
1773		2153
1774	Returns an arrayref of paths of all shared maps that have	2154	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2155	instantiated unique items. May block.
1776		2156
1777	=cut	2157	=cut
1778		2158
1779	sub unique_maps() {	2159	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2160	[
1781	or return;	2161	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2162	utf8::decode $_;
1787	next if /\.pst$/;	2163	/\.map$/
1788	next unless /^$PATH_SEP/o;	2164	? normalise $_
1789		2165	: ()
1790	push @paths, cf::map::normalise $_;	2166	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2167	]
1792
1793	\@paths
1794	}	2168	}
1795		2169
1796	package cf;	2170	package cf;
1797		2171
1798	=back	2172	=back
…		…
1844		2218
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2219	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2220
1847	if ($self->{record_replies}) {	2221	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2222	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2223
1849	} else {	2224	} else {
		2225	my $pl = $self->contr;
		2226
		2227	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2228	my $dialog = $pl->{npc_dialog};
		2229	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2230
		2231	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2232	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2233	$self->message ($msg, $flags);
		2234	}
1852	}	2235	}
		2236	}
		2237
		2238	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2239
		2240	=cut
		2241
		2242	sub cf::object::send_msg {
		2243	my $pl = shift->contr
		2244	or return;
		2245	$pl->send_msg (@_);
1853	}	2246	}
1854		2247
1855	=item $player_object->may ("access")	2248	=item $player_object->may ("access")
1856		2249
1857	Returns wether the given player is authorized to access resource "access"	2250	Returns wether the given player is authorized to access resource "access"
…		…
1904	$self->deactivate_recursive;	2297	$self->deactivate_recursive;
1905		2298
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2299	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2300
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2301	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2302	if $self->map && $self->map->{path} ne "{link}";
1910		2303
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2304	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1912	}	2305	}
1913		2306
1914	sub cf::object::player::leave_link {	2307	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2308	my ($self, $map, $x, $y) = @_;
		2309
		2310	return unless $self->contr->active;
1916		2311
1917	my $link_pos = delete $self->{_link_pos};	2312	my $link_pos = delete $self->{_link_pos};
1918		2313
1919	unless ($map) {	2314	unless ($map) {
1920	# restore original map position	2315	# restore original map position
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2329	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2330	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2331	if $x <=0 && $y <= 0;
1937		2332
1938	$map->load;	2333	$map->load;
1939	$map->load_diag;	2334	$map->load_neighbours;
1940		2335
1941	return unless $self->contr->active;	2336	return unless $self->contr->active;
1942	$self->activate_recursive;	2337	$self->activate_recursive;
1943		2338
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2339	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2340	$self->enter_map ($map, $x, $y);
1946	}	2341	}
1947		2342
1948	cf::player->attach (	2343	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949	on_logout => sub {
1950	my ($pl) = @_;
1951		2344
1952	# abort map switching before logout	2345	Moves the player to the given map-path and coordinates by first freezing
1953	if ($pl->ob->{_link_pos}) {	2346	her, loading and preparing them map, calling the provided $check callback
1954	cf::sync_job {	2347	that has to return the map if sucecssful, and then unfreezes the player on
1955	$pl->ob->leave_link	2348	the new (success) or old (failed) map position. In either case, $done will
1956	};	2349	be called at the end of this process.
1957	}
1958	},
1959	on_login => sub {
1960	my ($pl) = @_;
1961		2350
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)
1981
1982	=cut	2351	=cut
		2352
		2353	our $GOTOGEN;
1983		2354
1984	sub cf::object::player::goto {	2355	sub cf::object::player::goto {
1985	my ($self, $path, $x, $y) = @_;	2356	my ($self, $path, $x, $y, $check, $done) = @_;
		2357
		2358	# do generation counting so two concurrent goto's will be executed in-order
		2359	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1986		2360
1987	$self->enter_link;	2361	$self->enter_link;
1988		2362
1989	(async {	2363	(async {
1990	my $map = eval {	2364	my $map = eval {
1991	my $map = cf::map::find $path;	2365	my $map = cf::map::find $path;
		2366
		2367	if ($map) {
1992	$map = $map->customise_for ($self) if $map;	2368	$map = $map->customise_for ($self);
		2369	$map = $check->($map) if $check && $map;
		2370	} else {
		2371	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2372	}
		2373
1993	$map	2374	$map
		2375	};
		2376
		2377	if ($@) {
		2378	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2379	LOG llevError | logBacktrace, Carp::longmess $@;
1994	} or	2380	}
1995	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1996		2381
		2382	if ($gen == $self->{_goto_generation}) {
		2383	delete $self->{_goto_generation};
1997	$self->leave_link ($map, $x, $y);	2384	$self->leave_link ($map, $x, $y);
		2385	}
		2386
		2387	$done->() if $done;
1998	})->prio (1);	2388	})->prio (1);
1999	}	2389	}
2000		2390
2001	=item $player_object->enter_exit ($exit_object)	2391	=item $player_object->enter_exit ($exit_object)
2002		2392
…		…
2071	my $hp = $exit->stats->hp;	2461	my $hp = $exit->stats->hp;
2072	my $sp = $exit->stats->sp;	2462	my $sp = $exit->stats->sp;
2073		2463
2074	$self->enter_link;	2464	$self->enter_link;
2075		2465
		2466	# if exit is damned, update players death & WoR home-position
		2467	$self->contr->savebed ($slaying, $hp, $sp)
		2468	if $exit->flag (FLAG_DAMNED);
		2469
2076	(async {	2470	(async {
2077	$self->deactivate_recursive; # just to be sure	2471	$self->deactivate_recursive; # just to be sure
2078	unless (eval {	2472	unless (eval {
2079	$self->goto ($slaying, $hp, $sp);	2473	$self->goto ($slaying, $hp, $sp);
2080		2474
…		…
2107		2501
2108	utf8::encode $text;	2502	utf8::encode $text;
2109	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2503	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2110	}	2504	}
2111		2505
		2506	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2507
		2508	Send a drawinfo or msg packet to the client, formatting the msg for the
		2509	client if neccessary. C<$type> should be a string identifying the type of
		2510	the message, with C<log> being the default. If C<$color> is negative, suppress
		2511	the message unless the client supports the msg packet.
		2512
		2513	=cut
		2514
		2515	our %CHANNEL = (
		2516	"c/identify" => {
		2517	id => "identify",
		2518	title => "Identify",
		2519	reply => undef,
		2520	tooltip => "Items recently identified",
		2521	},
		2522	"c/examine" => {
		2523	id => "examine",
		2524	title => "Examine",
		2525	reply => undef,
		2526	tooltip => "Signs and other items you examined",
		2527	},
		2528	);
		2529
		2530	sub cf::client::send_msg {
		2531	my ($self, $channel, $msg, $color, @extra) = @_;
		2532
		2533	$msg = $self->pl->expand_cfpod ($msg);
		2534
		2535	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2536
		2537	# check predefined channels, for the benefit of C
		2538	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2539
		2540	if (ref $channel) {
		2541	# send meta info to client, if not yet sent
		2542	unless (exists $self->{channel}{$channel->{id}}) {
		2543	$self->{channel}{$channel->{id}} = $channel;
		2544	$self->ext_msg (channel_info => $channel)
		2545	if $self->can_msg;
		2546	}
		2547
		2548	$channel = $channel->{id};
		2549	}
		2550
		2551	return unless @extra || length $msg;
		2552
		2553	if ($self->can_msg) {
		2554	# default colour, mask it out
		2555	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2556	if $color & cf::NDI_DEF;
		2557
		2558	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2559	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2560	} else {
		2561	if ($color >= 0) {
		2562	# replace some tags by gcfclient-compatible ones
		2563	for ($msg) {
		2564	1 while
		2565	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2566	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2567	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2568	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2569	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2570	}
		2571
		2572	$color &= cf::NDI_COLOR_MASK;
		2573
		2574	utf8::encode $msg;
		2575
		2576	if (0 && $msg =~ /\[/) {
		2577	# COMMAND/INFO
		2578	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2579	} else {
		2580	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2581	$self->send_packet ("drawinfo $color $msg")
		2582	}
		2583	}
		2584	}
		2585	}
		2586
2112	=item $client->ext_event ($type, %msg)	2587	=item $client->ext_msg ($type, @msg)
2113		2588
2114	Sends an exti event to the client.	2589	Sends an ext event to the client.
2115		2590
2116	=cut	2591	=cut
2117		2592
2118	sub cf::client::ext_event($$%) {	2593	sub cf::client::ext_msg($$@) {
2119	my ($self, $type, %msg) = @_;	2594	my ($self, $type, @msg) = @_;
2120		2595
		2596	if ($self->extcmd == 2) {
		2597	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2598	} elsif ($self->extcmd == 1) { # TODO: remove
2121	$msg{msgtype} = "event_$type";	2599	push @msg, msgtype => "event_$type";
2122	$self->send_packet ("ext " . cf::to_json \%msg);	2600	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2601	}
		2602	}
		2603
		2604	=item $client->ext_reply ($msgid, @msg)
		2605
		2606	Sends an ext reply to the client.
		2607
		2608	=cut
		2609
		2610	sub cf::client::ext_reply($$@) {
		2611	my ($self, $id, @msg) = @_;
		2612
		2613	if ($self->extcmd == 2) {
		2614	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2615	} elsif ($self->extcmd == 1) {
		2616	#TODO: version 1, remove
		2617	unshift @msg, msgtype => "reply", msgid => $id;
		2618	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2619	}
2123	}	2620	}
2124		2621
2125	=item $success = $client->query ($flags, "text", \&cb)	2622	=item $success = $client->query ($flags, "text", \&cb)
2126		2623
2127	Queues a query to the client, calling the given callback with	2624	Queues a query to the client, calling the given callback with
2128	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2625	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2129	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2626	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2130		2627
2131	Queries can fail, so check the return code. Or don't, as queries will become	2628	Queries can fail, so check the return code. Or don't, as queries will
2132	reliable at some point in the future.	2629	become reliable at some point in the future.
2133		2630
2134	=cut	2631	=cut
2135		2632
2136	sub cf::client::query {	2633	sub cf::client::query {
2137	my ($self, $flags, $text, $cb) = @_;	2634	my ($self, $flags, $text, $cb) = @_;
…		…
2145	utf8::encode $text;	2642	utf8::encode $text;
2146	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2643	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2147		2644
2148	$self->send_packet ($self->{query_queue}[0][0])	2645	$self->send_packet ($self->{query_queue}[0][0])
2149	if @{ $self->{query_queue} } == 1;	2646	if @{ $self->{query_queue} } == 1;
		2647
		2648	1
2150	}	2649	}
2151		2650
2152	cf::client->attach (	2651	cf::client->attach (
		2652	on_connect => sub {
		2653	my ($ns) = @_;
		2654
		2655	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2656	},
2153	on_reply => sub {	2657	on_reply => sub {
2154	my ($ns, $msg) = @_;	2658	my ($ns, $msg) = @_;
2155		2659
2156	# this weird shuffling is so that direct followup queries	2660	# this weird shuffling is so that direct followup queries
2157	# get handled first	2661	# get handled first
…		…
2169	} else {	2673	} else {
2170	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2674	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2171	}	2675	}
2172	}	2676	}
2173	},	2677	},
		2678	on_exticmd => sub {
		2679	my ($ns, $buf) = @_;
		2680
		2681	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2682
		2683	if (ref $msg) {
		2684	my ($type, $reply, @payload) =
		2685	"ARRAY" eq ref $msg
		2686	? @$msg
		2687	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2688
		2689	my @reply;
		2690
		2691	if (my $cb = $EXTICMD{$type}) {
		2692	@reply = $cb->($ns, @payload);
		2693	}
		2694
		2695	$ns->ext_reply ($reply, @reply)
		2696	if $reply;
		2697
		2698	} else {
		2699	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2700	}
		2701
		2702	cf::override;
		2703	},
2174	);	2704	);
2175		2705
2176	=item $client->async (\&cb)	2706	=item $client->async (\&cb)
2177		2707
2178	Create a new coroutine, running the specified callback. The coroutine will	2708	Create a new coroutine, running the specified callback. The coroutine will
…		…
2219	our $safe = new Safe "safe";	2749	our $safe = new Safe "safe";
2220	our $safe_hole = new Safe::Hole;	2750	our $safe_hole = new Safe::Hole;
2221		2751
2222	$SIG{FPE} = 'IGNORE';	2752	$SIG{FPE} = 'IGNORE';
2223		2753
2224	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2754	$safe->permit_only (Opcode::opset qw(
		2755	:base_core :base_mem :base_orig :base_math
		2756	grepstart grepwhile mapstart mapwhile
		2757	sort time
		2758	));
2225		2759
2226	# here we export the classes and methods available to script code	2760	# here we export the classes and methods available to script code
2227		2761
2228	=pod	2762	=pod
2229		2763
2230	The following functions and methods are available within a safe environment:	2764	The following functions and methods are available within a safe environment:
2231		2765
2232	cf::object contr pay_amount pay_player map	2766	cf::object
		2767	contr pay_amount pay_player map x y force_find force_add
		2768	insert remove name archname title slaying race decrease_ob_nr
		2769
2233	cf::object::player player	2770	cf::object::player
2234	cf::player peaceful	2771	player
2235	cf::map trigger	2772
		2773	cf::player
		2774	peaceful
		2775
		2776	cf::map
		2777	trigger
2236		2778
2237	=cut	2779	=cut
2238		2780
2239	for (	2781	for (
2240	["cf::object" => qw(contr pay_amount pay_player map)],	2782	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2783	insert remove inv name archname title slaying race
		2784	decrease_ob_nr)],
2241	["cf::object::player" => qw(player)],	2785	["cf::object::player" => qw(player)],
2242	["cf::player" => qw(peaceful)],	2786	["cf::player" => qw(peaceful)],
2243	["cf::map" => qw(trigger)],	2787	["cf::map" => qw(trigger)],
2244	) {	2788	) {
2245	no strict 'refs';	2789	no strict 'refs';
…		…
2316	=back	2860	=back
2317		2861
2318	=cut	2862	=cut
2319		2863
2320	#############################################################################	2864	#############################################################################
2321
2322	=head2 EXTENSION DATABASE SUPPORT
2323
2324	Crossfire maintains a very simple database for extension use. It can
2325	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2326	convert to/from binary).
2327
2328	The parameter C<$family> should best start with the name of the extension
2329	using it, it should be unique.
2330
2331	=over 4
2332
2333	=item $value = cf::db_get $family => $key
2334
2335	Returns a single value from the database.
2336
2337	=item cf::db_put $family => $key => $value
2338
2339	Stores the given C<$value> in the family.
2340
2341	=cut
2342
2343	our $DB;
2344
2345	sub db_init {
2346	unless ($DB) {
2347	$DB = BDB::db_create $DB_ENV;
2348
2349	cf::sync_job {
2350	eval {
2351	$DB->set_flags (BDB::CHKSUM);
2352
2353	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2354	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2355	cf::cleanup "db_open(db): $!" if $!;
2356	};
2357	cf::cleanup "db_open(db): $@" if $@;
2358	};
2359	}
2360	}
2361
2362	sub db_get($$) {
2363	my $key = "$_[0]/$_[1]";
2364
2365	cf::sync_job {
2366	BDB::db_get $DB, undef, $key, my $data;
2367
2368	$! ? ()
2369	: $data
2370	}
2371	}
2372
2373	sub db_put($$$) {
2374	BDB::dbreq_pri 4;
2375	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2376	}
2377
2378	=item cf::cache $id => [$paths...], $processversion => $process
2379
2380	Generic caching function that returns the value of the resource $id,
2381	caching and regenerating as required.
2382
2383	This function can block.
2384
2385	=cut
2386
2387	sub cache {
2388	my ($id, $src, $processversion, $process) = @_;
2389
2390	my $meta =
2391	join "\x00",
2392	$processversion,
2393	map {
2394	aio_stat $_
2395	and Carp::croak "$_: $!";
2396
2397	($_, (stat _)[7,9])
2398	} @$src;
2399
2400	my $dbmeta = db_get cache => "$id/meta";
2401	if ($dbmeta ne $meta) {
2402	# changed, we may need to process
2403
2404	my @data;
2405	my $md5;
2406
2407	for (0 .. $#$src) {
2408	0 <= aio_load $src->[$_], $data[$_]
2409	or Carp::croak "$src->[$_]: $!";
2410	}
2411
2412	# if processing is expensive, check
2413	# checksum first
2414	if (1) {
2415	$md5 =
2416	join "\x00",
2417	$processversion,
2418	map {
2419	Coro::cede;
2420	($src->[$_], Digest::MD5::md5_hex $data[$_])
2421	} 0.. $#$src;
2422
2423
2424	my $dbmd5 = db_get cache => "$id/md5";
2425	if ($dbmd5 eq $md5) {
2426	db_put cache => "$id/meta", $meta;
2427
2428	return db_get cache => "$id/data";
2429	}
2430	}
2431
2432	my $t1 = Time::HiRes::time;
2433	my $data = $process->(\@data);
2434	my $t2 = Time::HiRes::time;
2435
2436	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2437
2438	db_put cache => "$id/data", $data;
2439	db_put cache => "$id/md5" , $md5;
2440	db_put cache => "$id/meta", $meta;
2441
2442	return $data;
2443	}
2444
2445	db_get cache => "$id/data"
2446	}
2447
2448	=item fork_call { }, $args
2449
2450	Executes the given code block with the given arguments in a seperate
2451	process, returning the results. Everything must be serialisable with
2452	Coro::Storable. May, of course, block. Note that the executed sub may
2453	never block itself or use any form of Event handling.
2454
2455	=cut
2456
2457	sub fork_call(&@) {
2458	my ($cb, @args) = @_;
2459
2460	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2461	# or die "socketpair: $!";
2462	pipe my $fh1, my $fh2
2463	or die "pipe: $!";
2464
2465	if (my $pid = fork) {
2466	close $fh2;
2467
2468	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2469	$res = Coro::Storable::thaw $res;
2470
2471	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2472
2473	die $$res unless "ARRAY" eq ref $res;
2474
2475	return wantarray ? @$res : $res->[-1];
2476	} else {
2477	reset_signals;
2478	local $SIG{__WARN__};
2479	local $SIG{__DIE__};
2480	eval {
2481	close $fh1;
2482
2483	my @res = eval { $cb->(@args) };
2484	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2485	};
2486
2487	warn $@ if $@;
2488	_exit 0;
2489	}
2490	}
2491
2492
2493
2494	#############################################################################
2495	# the server's init and main functions	2865	# the server's init and main functions
2496		2866
2497	sub load_facedata($) {	2867	sub load_facedata($) {
2498	my ($path) = @_;	2868	my ($path) = @_;
		2869
		2870	# HACK to clear player env face cache, we need some signal framework
		2871	# for this (global event?)
		2872	%ext::player_env::MUSIC_FACE_CACHE = ();
		2873
		2874	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2499		2875
2500	warn "loading facedata from $path\n";	2876	warn "loading facedata from $path\n";
2501		2877
2502	my $facedata;	2878	my $facedata;
2503	0 < aio_load $path, $facedata	2879	0 < aio_load $path, $facedata
…		…
2506	$facedata = Coro::Storable::thaw $facedata;	2882	$facedata = Coro::Storable::thaw $facedata;
2507		2883
2508	$facedata->{version} == 2	2884	$facedata->{version} == 2
2509	or cf::cleanup "$path: version mismatch, cannot proceed.";	2885	or cf::cleanup "$path: version mismatch, cannot proceed.";
2510		2886
		2887	# patch in the exptable
		2888	$facedata->{resource}{"res/exp_table"} = {
		2889	type => FT_RSRC,
		2890	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2891	};
		2892	cf::cede_to_tick;
		2893
2511	{	2894	{
2512	my $faces = $facedata->{faceinfo};	2895	my $faces = $facedata->{faceinfo};
2513		2896
2514	while (my ($face, $info) = each %$faces) {	2897	while (my ($face, $info) = each %$faces) {
2515	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2898	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2516	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2899	cf::face::set_visibility $idx, $info->{visibility};
		2900	cf::face::set_magicmap $idx, $info->{magicmap};
2517	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2901	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2518	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2902	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2519	Coro::cede;	2903
		2904	cf::cede_to_tick;
2520	}	2905	}
2521		2906
2522	while (my ($face, $info) = each %$faces) {	2907	while (my ($face, $info) = each %$faces) {
2523	next unless $info->{smooth};	2908	next unless $info->{smooth};
2524	my $idx = cf::face::find $face	2909	my $idx = cf::face::find $face
2525	or next;	2910	or next;
2526	if (my $smooth = cf::face::find $info->{smooth}) {	2911	if (my $smooth = cf::face::find $info->{smooth}) {
		2912	cf::face::set_smooth $idx, $smooth;
2527	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2913	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2528	} else {	2914	} else {
2529	warn "smooth face '$info->{smooth}' not found for face '$face'";	2915	warn "smooth face '$info->{smooth}' not found for face '$face'";
2530	}	2916	}
2531	Coro::cede;	2917
		2918	cf::cede_to_tick;
2532	}	2919	}
2533	}	2920	}
2534		2921
2535	{	2922	{
2536	my $anims = $facedata->{animinfo};	2923	my $anims = $facedata->{animinfo};
2537		2924
2538	while (my ($anim, $info) = each %$anims) {	2925	while (my ($anim, $info) = each %$anims) {
2539	cf::anim::set $anim, $info->{frames}, $info->{facings};	2926	cf::anim::set $anim, $info->{frames}, $info->{facings};
2540	Coro::cede;	2927	cf::cede_to_tick;
2541	}	2928	}
2542		2929
2543	cf::anim::invalidate_all; # d'oh	2930	cf::anim::invalidate_all; # d'oh
2544	}	2931	}
2545		2932
		2933	{
		2934	# TODO: for gcfclient pleasure, we should give resources
		2935	# that gcfclient doesn't grok a >10000 face index.
		2936	my $res = $facedata->{resource};
		2937
		2938	my $soundconf = delete $res->{"res/sound.conf"};
		2939
		2940	while (my ($name, $info) = each %$res) {
		2941	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2942	my $data;
		2943
		2944	if ($info->{type} & 1) {
		2945	# prepend meta info
		2946
		2947	my $meta = $enc->encode ({
		2948	name => $name,
		2949	%{ $info->{meta} || {} },
		2950	});
		2951
		2952	$data = pack "(w/a*)*", $meta, $info->{data};
		2953	} else {
		2954	$data = $info->{data};
		2955	}
		2956
		2957	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2958	cf::face::set_type $idx, $info->{type};
		2959
		2960	cf::cede_to_tick;
		2961	}
		2962
		2963	if ($soundconf) {
		2964	$soundconf = $enc->decode (delete $soundconf->{data});
		2965
		2966	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2967	my $sound = $soundconf->{compat}[$_]
		2968	or next;
		2969
		2970	my $face = cf::face::find "sound/$sound->[1]";
		2971	cf::sound::set $sound->[0] => $face;
		2972	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2973	}
		2974
		2975	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2976	my $face = cf::face::find "sound/$v";
		2977	cf::sound::set $k => $face;
		2978	}
		2979	}
		2980	}
		2981
2546	1	2982	1
2547	}	2983	}
2548		2984
		2985	register_exticmd fx_want => sub {
		2986	my ($ns, $want) = @_;
		2987
		2988	while (my ($k, $v) = each %$want) {
		2989	$ns->fx_want ($k, $v);
		2990	}
		2991	};
		2992
2549	sub reload_regions {	2993	sub reload_regions {
		2994	# HACK to clear player env face cache, we need some signal framework
		2995	# for this (global event?)
		2996	%ext::player_env::MUSIC_FACE_CACHE = ();
		2997
2550	load_resource_file "$MAPDIR/regions"	2998	load_resource_file "$MAPDIR/regions"
2551	or die "unable to load regions file\n";	2999	or die "unable to load regions file\n";
		3000
		3001	for (cf::region::list) {
		3002	$_->{match} = qr/$_->{match}/
		3003	if exists $_->{match};
		3004	}
2552	}	3005	}
2553		3006
2554	sub reload_facedata {	3007	sub reload_facedata {
2555	load_facedata "$DATADIR/facedata"	3008	load_facedata "$DATADIR/facedata"
2556	or die "unable to load facedata\n";	3009	or die "unable to load facedata\n";
2557	}	3010	}
2558		3011
2559	sub reload_archetypes {	3012	sub reload_archetypes {
2560	load_resource_file "$DATADIR/archetypes"	3013	load_resource_file "$DATADIR/archetypes"
2561	or die "unable to load archetypes\n";	3014	or die "unable to load archetypes\n";
		3015	#d# NEED to laod twice to resolve forward references
		3016	# this really needs to be done in an extra post-pass
		3017	# (which needs to be synchronous, so solve it differently)
		3018	load_resource_file "$DATADIR/archetypes"
		3019	or die "unable to load archetypes\n";
2562	}	3020	}
2563		3021
2564	sub reload_treasures {	3022	sub reload_treasures {
2565	load_resource_file "$DATADIR/treasures"	3023	load_resource_file "$DATADIR/treasures"
2566	or die "unable to load treasurelists\n";	3024	or die "unable to load treasurelists\n";
…		…
2569	sub reload_resources {	3027	sub reload_resources {
2570	warn "reloading resource files...\n";	3028	warn "reloading resource files...\n";
2571		3029
2572	reload_regions;	3030	reload_regions;
2573	reload_facedata;	3031	reload_facedata;
		3032	#reload_archetypes;#d#
2574	reload_archetypes;	3033	reload_archetypes;
2575	reload_treasures;	3034	reload_treasures;
2576		3035
2577	warn "finished reloading resource files\n";	3036	warn "finished reloading resource files\n";
2578	}	3037	}
2579		3038
2580	sub init {	3039	sub init {
2581	reload_resources;	3040	reload_resources;
2582	}	3041	}
2583		3042
2584	sub cfg_load {	3043	sub reload_config {
2585	open my $fh, "<:utf8", "$CONFDIR/config"	3044	open my $fh, "<:utf8", "$CONFDIR/config"
2586	or return;	3045	or return;
2587		3046
2588	local $/;	3047	local $/;
2589	*CFG = YAML::Syck::Load <$fh>;	3048	*CFG = YAML::Syck::Load <$fh>;
…		…
2609	(async {	3068	(async {
2610	Event::one_event;	3069	Event::one_event;
2611	})->prio (Coro::PRIO_MAX);	3070	})->prio (Coro::PRIO_MAX);
2612	};	3071	};
2613		3072
2614	cfg_load;	3073	reload_config;
2615	db_init;	3074	db_init;
2616	load_extensions;	3075	load_extensions;
2617		3076
2618	$TICK_WATCHER->start;	3077	$TICK_WATCHER->start;
2619	Event::loop;	3078	Event::loop;
…		…
2635	},	3094	},
2636	);	3095	);
2637	}	3096	}
2638	}	3097	}
2639		3098
		3099	sub write_runtime {
		3100	my $runtime = "$LOCALDIR/runtime";
		3101
		3102	# first touch the runtime file to show we are still running:
		3103	# the fsync below can take a very very long time.
		3104
		3105	IO::AIO::aio_utime $runtime, undef, undef;
		3106
		3107	my $guard = cf::lock_acquire "write_runtime";
		3108
		3109	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3110	or return;
		3111
		3112	my $value = $cf::RUNTIME + 90 + 10;
		3113	# 10 is the runtime save interval, for a monotonic clock
		3114	# 60 allows for the watchdog to kill the server.
		3115
		3116	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3117	and return;
		3118
		3119	# always fsync - this file is important
		3120	aio_fsync $fh
		3121	and return;
		3122
		3123	# touch it again to show we are up-to-date
		3124	aio_utime $fh, undef, undef;
		3125
		3126	close $fh
		3127	or return;
		3128
		3129	aio_rename "$runtime~", $runtime
		3130	and return;
		3131
		3132	warn "runtime file written.\n";
		3133
		3134	1
		3135	}
		3136
2640	sub emergency_save() {	3137	sub emergency_save() {
2641	my $freeze_guard = cf::freeze_mainloop;	3138	my $freeze_guard = cf::freeze_mainloop;
2642		3139
2643	warn "enter emergency perl save\n";	3140	warn "enter emergency perl save\n";
2644		3141
…		…
2719	%EXT_CORO = ();	3216	%EXT_CORO = ();
2720		3217
2721	warn "removing commands";	3218	warn "removing commands";
2722	%COMMAND = ();	3219	%COMMAND = ();
2723		3220
2724	warn "removing ext commands";	3221	warn "removing ext/exti commands";
2725	%EXTCMD = ();	3222	%EXTCMD = ();
		3223	%EXTICMD = ();
2726		3224
2727	warn "unloading/nuking all extensions";	3225	warn "unloading/nuking all extensions";
2728	for my $pkg (@EXTS) {	3226	for my $pkg (@EXTS) {
2729	warn "... unloading $pkg";	3227	warn "... unloading $pkg";
2730		3228
…		…
2773	warn "reloading cf.pm";	3271	warn "reloading cf.pm";
2774	require cf;	3272	require cf;
2775	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3273	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2776		3274
2777	warn "loading config and database again";	3275	warn "loading config and database again";
2778	cf::cfg_load;	3276	cf::reload_config;
2779		3277
2780	warn "loading extensions";	3278	warn "loading extensions";
2781	cf::load_extensions;	3279	cf::load_extensions;
2782		3280
2783	warn "reattaching attachments to objects/players";	3281	warn "reattaching attachments to objects/players";
…		…
2848	my $signal = new Coro::Signal;	3346	my $signal = new Coro::Signal;
2849	push @WAIT_FOR_TICK_BEGIN, $signal;	3347	push @WAIT_FOR_TICK_BEGIN, $signal;
2850	$signal->wait;	3348	$signal->wait;
2851	}	3349	}
2852		3350
		3351	my $min = 1e6;#d#
		3352	my $avg = 10;
2853	$TICK_WATCHER = Event->timer (	3353	$TICK_WATCHER = Event->timer (
2854	reentrant => 0,	3354	reentrant => 0,
2855	parked => 1,	3355	parked => 1,
2856	prio => 0,	3356	prio => 0,
2857	at => $NEXT_TICK || $TICK,	3357	at => $NEXT_TICK || $TICK,
…		…
2864	}	3364	}
2865		3365
2866	$NOW = $tick_start = Event::time;	3366	$NOW = $tick_start = Event::time;
2867		3367
2868	cf::server_tick; # one server iteration	3368	cf::server_tick; # one server iteration
		3369
		3370	0 && sync_job {#d#
		3371	for(1..10) {
		3372	my $t = Event::time;
		3373	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3374	or die;
		3375
		3376	$map->width (50);
		3377	$map->height (50);
		3378	$map->alloc;
		3379	$map->_load_objects ("/tmp/x.map", 1);
		3380	my $t = Event::time - $t;
		3381
		3382	#next unless $t < 0.0013;#d#
		3383	if ($t < $min) {
		3384	$min = $t;
		3385	}
		3386	$avg = $avg * 0.99 + $t * 0.01;
		3387	}
		3388	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3389	exit 0;
		3390	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3391	};
2869		3392
2870	$RUNTIME += $TICK;	3393	$RUNTIME += $TICK;
2871	$NEXT_TICK += $TICK;	3394	$NEXT_TICK += $TICK;
2872		3395
2873	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3396	if ($NOW >= $NEXT_RUNTIME_WRITE) {

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