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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.276 by root, Sun Jun 10 04:05:47 2007 UTC vs.
Revision 1.356 by root, Tue Sep 4 05:43:21 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;
…		…
83	our %CFG;	87	our %CFG;
84		88
85	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	90	our $RUNTIME;
87		91
88	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
91		95
92	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		98
…		…
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
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.
		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.
168		178
169	=back	179	=back
170		180
171	=cut	181	=cut
172		182
…		…
206	}	216	}
207		217
208	$Event::DIED = sub {	218	$Event::DIED = sub {
209	warn "error in event callback: @_";	219	warn "error in event callback: @_";
210	};	220	};
		221
		222	#############################################################################
211		223
212	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
213		225
214	=over 4	226	=over 4
215		227
…		…
234	$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;
235	$d	247	$d
236	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
237	}	249	}
238		250
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
242		252
243	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
244		254
245	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
246		256
247	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]) }
248		265
249	=item cf::lock_wait $string	266	=item cf::lock_wait $string
250		267
251	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
252		269
…		…
254		271
255	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
256	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,
257	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
258	returned.	275	returned.
		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
259		279
260	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
261	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
262		282
263	=item $locked = cf::lock_active $string	283	=item $locked = cf::lock_active $string
…		…
306	};	326	};
307	$TICK_WATCHER->stop;	327	$TICK_WATCHER->stop;
308	$guard	328	$guard
309	}	329	}
310		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
311	=item cf::async { BLOCK }	387	=item cf::async { BLOCK }
312		388
313	Currently the same as Coro::async_pool, meaning you cannot use	389	Currently the same as Coro::async_pool, meaning you cannot use
314	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	390	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
315	thing you are allowed to do is call C<prio> on it.	391	thing you are allowed to do is call C<prio> on it.
…		…
318		394
319	BEGIN { *async = \&Coro::async_pool }	395	BEGIN { *async = \&Coro::async_pool }
320		396
321	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
322		398
323	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)
324	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
325	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.
326		403
327	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
328	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
329	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
330	fast or be very important.	407	fast or be very important.
…		…
390	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
391		468
392	$coro	469	$coro
393	}	470	}
394		471
395	sub write_runtime {	472	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		473
398	# first touch the runtime file to show we are still running:	474	Executes the given code block with the given arguments in a seperate
399	# 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.
400		478
401	IO::AIO::aio_utime $runtime, undef, undef;	479	=cut
402		480
403	my $guard = cf::lock_acquire "write_runtime";	481	sub fork_call(&@) {
		482	my ($cb, @args) = @_;
404		483
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	484	# we seemingly have to make a local copy of the whole thing,
406	or return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (likely this will be rather laborious)
407		487
408	my $value = $cf::RUNTIME + 90 + 10;	488	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	489	reset_signals;
410	# 60 allows for the watchdog to kill the server.	490	&$cb
		491	}, @args;
411		492
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	493	wantarray ? @res : $res[-1]
413	and return;	494	}
414		495
415	# always fsync - this file is important	496	=item $value = cf::db_get $family => $key
416	aio_fsync $fh
417	and return;
418		497
419	# touch it again to show we are up-to-date	498	Returns a single value from the environment database.
420	aio_utime $fh, undef, undef;
421		499
422	close $fh	500	=item cf::db_put $family => $key => $value
423	or return;
424		501
425	aio_rename "$runtime~", $runtime	502	Stores the given C<$value> in the family. It can currently store binary
426	and return;	503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
427		504
428	warn "runtime file written.\n";	505	=cut
429		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	};
430	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"
431	}	610	}
432		611
433	=item cf::datalog type => key => value, ...	612	=item cf::datalog type => key => value, ...
434		613
435	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.
…		…
453	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")
454	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
455		634
456	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>
457	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
458	crossfire+).	637	Crossfire TRT).
459		638
460	=over 4	639	=over 4
461		640
462	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
463		642
…		…
665	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
666	}	845	}
667		846
668	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
669	} else {	848	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	850	}
672		851
673	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
674	}	853	}
675		854
…		…
715	";	894	";
716	die if $@;	895	die if $@;
717	}	896	}
718		897
719	our $override;	898	our $override;
720	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?
721		900
722	sub override {	901	sub override {
723	$override = 1;	902	$override = 1;
724	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
725	}	904	}
726		905
727	sub do_invoke {	906	sub do_invoke {
728	my $event = shift;	907	my $event = shift;
729	my $callbacks = shift;	908	my $callbacks = shift;
730		909
731	@invoke_results = ();	910	@INVOKE_RESULTS = ();
732		911
733	local $override;	912	local $override;
734		913
735	for (@$callbacks) {	914	for (@$callbacks) {
736	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
753		932
754	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
755		934
756	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
757	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
758	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		938
760	=back	939	=back
761		940
762	=cut	941	=cut
763		942
764	#############################################################################	943	#############################################################################
765	# 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	}
766		956
767	sub reattach {	957	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	959	my ($obj) = @_;
770		960
…		…
814	},	1004	},
815	);	1005	);
816		1006
817	sub object_freezer_save {	1007	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1008	my ($filename, $rdata, $objs) = @_;
		1009
		1010	my $guard = cf::lock_acquire "io";
819		1011
820	sync_job {	1012	sync_job {
821	if (length $$rdata) {	1013	if (length $$rdata) {
822	warn sprintf "saving %s (%d,%d)\n",	1014	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1015	$filename, length $$rdata, scalar @$objs;
…		…
847	}	1039	}
848	} else {	1040	} else {
849	aio_unlink $filename;	1041	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1042	aio_unlink "$filename.pst";
851	}	1043	}
852	}	1044	};
		1045
		1046	undef $guard;
853	}	1047	}
854		1048
855	sub object_freezer_as_string {	1049	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1050	my ($rdata, $objs) = @_;
857		1051
…		…
862		1056
863	sub object_thawer_load {	1057	sub object_thawer_load {
864	my ($filename) = @_;	1058	my ($filename) = @_;
865		1059
866	my ($data, $av);	1060	my ($data, $av);
		1061
		1062	my $guard = cf::lock_acquire "io";
867		1063
868	(aio_load $filename, $data) >= 0	1064	(aio_load $filename, $data) >= 0
869	or return;	1065	or return;
870		1066
871	unless (aio_stat "$filename.pst") {	1067	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1068	(aio_load "$filename.pst", $av) >= 0
873	or return;	1069	or return;
		1070
		1071	undef $guard;
874	$av = eval { (Storable::thaw $av)->{objs} };	1072	$av = eval { (Storable::thaw $av)->{objs} };
875	}	1073	}
876		1074
877	warn sprintf "loading %s (%d)\n",	1075	warn sprintf "loading %s (%d)\n",
878	$filename, length $data, scalar @{$av || []};	1076	$filename, length $data, scalar @{$av || []};
		1077
879	return ($data, $av);	1078	($data, $av)
880	}	1079	}
		1080
		1081	=head2 COMMAND CALLBACKS
		1082
		1083	=over 4
		1084
		1085	=cut
881		1086
882	#############################################################################	1087	#############################################################################
883	# command handling &c	1088	# command handling &c
884		1089
885	=item cf::register_command $name => \&callback($ob,$args);	1090	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1103	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1104	}
900		1105
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1106	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1107
903	Register a callbackf ro execution when the client sends an extcmd packet.	1108	Register a callback for execution when the client sends an (synchronous)
		1109	extcmd packet. Ext commands will be processed in the order they are
		1110	received by the server, like other user commands. The first argument is
		1111	the logged-in player. Ext commands can only be processed after a player
		1112	has logged in successfully.
904		1113
905	If the callback returns something, it is sent back as if reply was being	1114	If the callback returns something, it is sent back as if reply was being
906	called.	1115	called.
907		1116
		1117	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1118
		1119	Register a callback for execution when the client sends an (asynchronous)
		1120	exticmd packet. Exti commands are processed by the server as soon as they
		1121	are received, i.e. out of order w.r.t. other commands. The first argument
		1122	is a client socket. Exti commands can be received anytime, even before
		1123	log-in.
		1124
		1125	If the callback returns something, it is sent back as if reply was being
		1126	called.
		1127
908	=cut	1128	=cut
909		1129
910	sub register_extcmd {	1130	sub register_extcmd {
911	my ($name, $cb) = @_;	1131	my ($name, $cb) = @_;
912		1132
913	$EXTCMD{$name} = $cb;	1133	$EXTCMD{$name} = $cb;
		1134	}
		1135
		1136	sub register_exticmd {
		1137	my ($name, $cb) = @_;
		1138
		1139	$EXTICMD{$name} = $cb;
914	}	1140	}
915		1141
916	cf::player->attach (	1142	cf::player->attach (
917	on_command => sub {	1143	on_command => sub {
918	my ($pl, $name, $params) = @_;	1144	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1153	cf::override;
928	},	1154	},
929	on_extcmd => sub {	1155	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1156	my ($pl, $buf) = @_;
931		1157
932	my $msg = eval { from_json $buf };	1158	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1159
934	if (ref $msg) {	1160	if (ref $msg) {
		1161	my ($type, $reply, @payload) =
		1162	"ARRAY" eq ref $msg
		1163	? @$msg
		1164	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1165
		1166	my @reply;
		1167
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1168	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1169	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1170	}
		1171
		1172	$pl->ext_reply ($reply, @reply)
		1173	if $reply;
		1174
940	} else {	1175	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1176	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1177	}
943		1178
944	cf::override;	1179	cf::override;
945	},	1180	},
946	);	1181	);
947		1182
948	sub load_extension {
949	my ($path) = @_;
950
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
952	my $base = $1;
953	my $pkg = $1;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}
976	die $@;
977	}
978
979	push @EXTS, $pkg;
980	}
981
982	sub load_extensions {	1183	sub load_extensions {
		1184	cf::sync_job {
		1185	my %todo;
		1186
983	for my $ext (<$LIBDIR/*.ext>) {	1187	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1188	next unless -r $path;
985	eval {	1189
986	load_extension $ext;	1190	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1191	my $base = $1;
		1192	my $pkg = $1;
		1193	$pkg =~ s/[^[:word:]]/_/g;
		1194	$pkg = "ext::$pkg";
		1195
		1196	open my $fh, "<:utf8", $path
		1197	or die "$path: $!";
		1198
		1199	my $source = do { local $/; <$fh> };
		1200
		1201	my %ext = (
		1202	path => $path,
		1203	base => $base,
		1204	pkg => $pkg,
		1205	);
		1206
		1207	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1208	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1209
		1210	$ext{source} =
		1211	"package $pkg; use strict; use utf8;\n"
		1212	. "#line 1 \"$path\"\n{\n"
		1213	. $source
		1214	. "\n};\n1";
		1215
		1216	$todo{$base} = \%ext;
		1217	}
		1218
		1219	my %done;
		1220	while (%todo) {
		1221	my $progress;
		1222
		1223	while (my ($k, $v) = each %todo) {
		1224	for (split /,\s*/, $v->{meta}{depends}) {
		1225	goto skip
		1226	unless exists $done{$_};
		1227	}
		1228
		1229	warn "... loading '$k' into '$v->{pkg}'\n";
		1230
		1231	unless (eval $v->{source}) {
		1232	my $msg = $@ ? "$v->{path}: $@\n"
		1233	: "$v->{base}: extension inactive.\n";
		1234
		1235	if (exists $v->{meta}{mandatory}) {
		1236	warn $msg;
		1237	warn "mandatory extension failed to load, exiting.\n";
		1238	exit 1;
		1239	}
		1240
		1241	warn $msg;
		1242	}
		1243
		1244	$done{$k} = delete $todo{$k};
		1245	push @EXTS, $v->{pkg};
		1246	$progress = 1;
987	1	1247	}
988	} or warn "$ext not loaded: $@";	1248
		1249	skip:
		1250	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1251	unless $progress;
		1252	}
989	}	1253	};
990	}	1254	}
991		1255
992	#############################################################################	1256	#############################################################################
		1257
		1258	=back
993		1259
994	=head2 CORE EXTENSIONS	1260	=head2 CORE EXTENSIONS
995		1261
996	Functions and methods that extend core crossfire objects.	1262	Functions and methods that extend core crossfire objects.
997		1263
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1313	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1314	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1315	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1316	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1317
1052	my $pl = load_pl path $login	1318	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1319	or return;
		1320
		1321	$f->next;
		1322	my $pl = cf::player::load_pl $f
		1323	or return;
		1324	local $cf::PLAYER_LOADING{$login} = $pl;
		1325	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1326	$cf::PLAYER{$login} = $pl
1055	}	1327	}
1056	}	1328	}
1057	}	1329	}
1058		1330
…		…
1068		1340
1069	aio_mkdir playerdir $pl, 0770;	1341	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1342	$pl->{last_save} = $cf::RUNTIME;
1071		1343
1072	$pl->save_pl ($path);	1344	$pl->save_pl ($path);
1073	Coro::cede;	1345	cf::cede_to_tick;
1074	}	1346	}
1075		1347
1076	sub new($) {	1348	sub new($) {
1077	my ($login) = @_;	1349	my ($login) = @_;
1078		1350
…		…
1082	$self->{deny_save} = 1;	1354	$self->{deny_save} = 1;
1083		1355
1084	$cf::PLAYER{$login} = $self;	1356	$cf::PLAYER{$login} = $self;
1085		1357
1086	$self	1358	$self
		1359	}
		1360
		1361	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1362
		1363	=cut
		1364
		1365	sub send_msg {
		1366	my $ns = shift->ns
		1367	or return;
		1368	$ns->send_msg (@_);
1087	}	1369	}
1088		1370
1089	=item $pl->quit_character	1371	=item $pl->quit_character
1090		1372
1091	Nukes the player without looking back. If logged in, the connection will	1373	Nukes the player without looking back. If logged in, the connection will
…		…
1146	or return [];	1428	or return [];
1147		1429
1148	my @logins;	1430	my @logins;
1149		1431
1150	for my $login (@$dirs) {	1432	for my $login (@$dirs) {
		1433	my $path = path $login;
		1434
		1435	# a .pst is a dead give-away for a valid player
		1436	unless (-e "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1437	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1438	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1439	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1440	}
1154		1441
1155	utf8::decode $login;	1442	utf8::decode $login;
1156	push @logins, $login;	1443	push @logins, $login;
1157	}	1444	}
1158		1445
…		…
1185	}	1472	}
1186		1473
1187	\@paths	1474	\@paths
1188	}	1475	}
1189		1476
		1477	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1478
		1479	Expand crossfire pod fragments into protocol xml.
		1480
		1481	=cut
		1482
		1483	sub expand_cfpod {
		1484	((my $self), (local $_)) = @_;
		1485
		1486	# escape & and <
		1487	s/&/&amp;/g;
		1488	s/(?<![BIUGHT])</&lt;/g;
		1489
		1490	# this is buggy, it needs to properly take care of nested <'s
		1491
		1492	1 while
		1493	# replace B<>, I<>, U<> etc.
		1494	s/B<([^\>]*)>/<b>$1<\/b>/
		1495	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1496	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1497	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1498	# replace G<male|female> tags
		1499	|| s{G<([^>|]*)\|([^>]*)>}{
		1500	$self->gender ? $2 : $1
		1501	}ge
		1502	# replace H<hint text>
		1503	|| s{H<([^\>]*)>}
		1504	{
		1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1507	"")
		1508	[$self->{hintmode}]
		1509	}ge;
		1510
		1511	# create single paragraphs (very hackish)
		1512	s/(?<=\S)\n(?=\w)/ /g;
		1513
		1514	# compress some whitespace
		1515	s/\s+\n/\n/g; # ws line-ends
		1516	s/\n\n+/\n/g; # double lines
		1517	s/^\n+//; # beginning lines
		1518	s/\n+$//; # ending lines
		1519
		1520	$_
		1521	}
		1522
		1523	sub hintmode {
		1524	$_[0]{hintmode} = $_[1] if @_ > 1;
		1525	$_[0]{hintmode}
		1526	}
		1527
1190	=item $player->ext_reply ($msgid, %msg)	1528	=item $player->ext_reply ($msgid, @msg)
1191		1529
1192	Sends an ext reply to the player.	1530	Sends an ext reply to the player.
1193		1531
1194	=cut	1532	=cut
1195		1533
1196	sub ext_reply($$%) {	1534	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1535	my ($self, $id, @msg) = @_;
1198		1536
1199	$msg{msgid} = $id;	1537	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1538	}
1203		1539
1204	=item $player->ext_event ($type, %msg)	1540	=item $player->ext_msg ($type, @msg)
1205		1541
1206	Sends an ext event to the client.	1542	Sends an ext event to the client.
1207		1543
1208	=cut	1544	=cut
1209		1545
1210	sub ext_event($$%) {	1546	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1547	my ($self, $type, @msg) = @_;
1212		1548
1213	$self->ns->ext_event ($type, %msg);	1549	$self->ns->ext_msg ($type, @msg);
1214	}	1550	}
1215		1551
1216	=head3 cf::region	1552	=head3 cf::region
1217		1553
1218	=over 4	1554	=over 4
…		…
1221		1557
1222	package cf::region;	1558	package cf::region;
1223		1559
1224	=item cf::region::find_by_path $path	1560	=item cf::region::find_by_path $path
1225		1561
1226	Tries to decuce the probable region for a map knowing only its path.	1562	Tries to decuce the likely region for a map knowing only its path.
1227		1563
1228	=cut	1564	=cut
1229		1565
1230	sub find_by_path($) {	1566	sub find_by_path($) {
1231	my ($path) = @_;	1567	my ($path) = @_;
1232		1568
1233	my ($match, $specificity);	1569	my ($match, $specificity);
1234		1570
1235	for my $region (list) {	1571	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1572	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1573	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1574	if $region->specificity > $specificity;
1239	}	1575	}
1240	}	1576	}
1241		1577
…		…
1361	$self->init; # pass $1 etc.	1697	$self->init; # pass $1 etc.
1362	return $self;	1698	return $self;
1363	}	1699	}
1364	}	1700	}
1365		1701
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	1702	Carp::cluck "unable to resolve path '$path' (base '$base').";
1367	()	1703	()
1368	}	1704	}
1369		1705
1370	sub init {	1706	sub init {
1371	my ($self) = @_;	1707	my ($self) = @_;
…		…
1434		1770
1435	sub load_header_from($) {	1771	sub load_header_from($) {
1436	my ($self, $path) = @_;	1772	my ($self, $path) = @_;
1437		1773
1438	utf8::encode $path;	1774	utf8::encode $path;
1439	#aio_open $path, O_RDONLY, 0	1775	my $f = new_from_file cf::object::thawer $path
1440	# or return;
1441
1442	$self->_load_header ($path)
1443	or return;	1776	or return;
		1777
		1778	$self->_load_header ($f)
		1779	or return;
		1780
		1781	local $MAP_LOADING{$self->{path}} = $self;
		1782	$f->resolve_delayed_derefs;
1444		1783
1445	$self->{load_path} = $path;	1784	$self->{load_path} = $path;
1446		1785
1447	1	1786	1
1448	}	1787	}
…		…
1537	local $self->{deny_reset} = 1; # loading can take a long time	1876	local $self->{deny_reset} = 1; # loading can take a long time
1538		1877
1539	my $path = $self->{path};	1878	my $path = $self->{path};
1540		1879
1541	{	1880	{
		1881	my $guard1 = cf::lock_acquire "map_data:$path";
1542	my $guard = cf::lock_acquire "map_load:$path";	1882	my $guard2 = cf::lock_acquire "map_load:$path";
1543		1883
1544	return if $self->in_memory != cf::MAP_SWAPPED;	1884	return if $self->in_memory != cf::MAP_SWAPPED;
1545		1885
1546	$self->in_memory (cf::MAP_LOADING);	1886	$self->in_memory (cf::MAP_LOADING);
1547		1887
1548	$self->alloc;	1888	$self->alloc;
1549		1889
1550	$self->pre_load;	1890	$self->pre_load;
1551	Coro::cede;	1891	cf::cede_to_tick;
1552		1892
		1893	my $f = new_from_file cf::object::thawer $self->{load_path};
		1894	$f->skip_block;
1553	$self->_load_objects ($self->{load_path}, 1)	1895	$self->_load_objects ($f)
1554	or return;	1896	or return;
1555		1897
1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1557	if delete $self->{load_original};	1899	if delete $self->{load_original};
1558		1900
1559	if (my $uniq = $self->uniq_path) {	1901	if (my $uniq = $self->uniq_path) {
1560	utf8::encode $uniq;	1902	utf8::encode $uniq;
1561	if (aio_open $uniq, O_RDONLY, 0) {	1903	unless (aio_stat $uniq) {
		1904	if (my $f = new_from_file cf::object::thawer $uniq) {
1562	$self->clear_unique_items;	1905	$self->clear_unique_items;
1563	$self->_load_objects ($uniq, 0);	1906	$self->_load_objects ($f);
		1907	$f->resolve_delayed_derefs;
		1908	}
1564	}	1909	}
1565	}	1910	}
1566		1911
1567	Coro::cede;	1912	$f->resolve_delayed_derefs;
		1913
		1914	cf::cede_to_tick;
1568	# now do the right thing for maps	1915	# now do the right thing for maps
1569	$self->link_multipart_objects;	1916	$self->link_multipart_objects;
1570	$self->difficulty ($self->estimate_difficulty)	1917	$self->difficulty ($self->estimate_difficulty)
1571	unless $self->difficulty;	1918	unless $self->difficulty;
1572	Coro::cede;	1919	cf::cede_to_tick;
1573		1920
1574	unless ($self->{deny_activate}) {	1921	unless ($self->{deny_activate}) {
1575	$self->decay_objects;	1922	$self->decay_objects;
1576	$self->fix_auto_apply;	1923	$self->fix_auto_apply;
1577	$self->update_buttons;	1924	$self->update_buttons;
1578	Coro::cede;	1925	cf::cede_to_tick;
1579	$self->set_darkness_map;	1926	$self->set_darkness_map;
1580	Coro::cede;	1927	cf::cede_to_tick;
1581	$self->activate;	1928	$self->activate;
1582	}	1929	}
		1930
		1931	$self->{last_save} = $cf::RUNTIME;
		1932	$self->last_access ($cf::RUNTIME);
1583		1933
1584	$self->in_memory (cf::MAP_IN_MEMORY);	1934	$self->in_memory (cf::MAP_IN_MEMORY);
1585	}	1935	}
1586		1936
1587	$self->post_load;	1937	$self->post_load;
…		…
1598		1948
1599	$self	1949	$self
1600	}	1950	}
1601		1951
1602	# find and load all maps in the 3x3 area around a map	1952	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {	1953	sub load_neighbours {
1604	my ($map) = @_;	1954	my ($map) = @_;
1605		1955
1606	my @diag; # diagonal neighbours	1956	my @neigh; # diagonal neighbours
1607		1957
1608	for (0 .. 3) {	1958	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)	1959	my $neigh = $map->tile_path ($_)
1610	or next;	1960	or next;
1611	$neigh = find $neigh, $map	1961	$neigh = find $neigh, $map
1612	or next;	1962	or next;
1613	$neigh->load;	1963	$neigh->load;
1614		1964
		1965	push @neigh,
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1966	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1967	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}	1968	}
1618		1969
1619	for (@diag) {	1970	for (grep defined $_->[0], @neigh) {
		1971	my ($path, $origin) = @$_;
1620	my $neigh = find @$_	1972	my $neigh = find $path, $origin
1621	or next;	1973	or next;
1622	$neigh->load;	1974	$neigh->load;
1623	}	1975	}
1624	}	1976	}
1625		1977
…		…
1630	}	1982	}
1631		1983
1632	sub do_load_sync {	1984	sub do_load_sync {
1633	my ($map) = @_;	1985	my ($map) = @_;
1634		1986
		1987	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1988	if $Coro::current == $Coro::main;
		1989
1635	cf::sync_job { $map->load };	1990	cf::sync_job { $map->load };
1636	}	1991	}
1637		1992
1638	our %MAP_PREFETCH;	1993	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	1994	our $MAP_PREFETCHER = undef;
1640		1995
1641	sub find_async {	1996	sub find_async {
1642	my ($path, $origin) = @_;	1997	my ($path, $origin, $load) = @_;
1643		1998
1644	$path = normalise $path, $origin && $origin->{path};	1999	$path = normalise $path, $origin && $origin->{path};
1645		2000
1646	if (my $map = $cf::MAP{$path}) {	2001	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2002	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1648	}	2003	}
1649		2004
1650	undef $MAP_PREFETCH{$path};	2005	$MAP_PREFETCH{$path} |= $load;
		2006
1651	$MAP_PREFETCHER ||= cf::async {	2007	$MAP_PREFETCHER ||= cf::async {
1652	while (%MAP_PREFETCH) {	2008	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	2009	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	2010	if (my $map = find $k) {
1655	or next;
1656	$map->load;	2011	$map->load if $v;
		2012	}
1657		2013
1658	delete $MAP_PREFETCH{$path};	2014	delete $MAP_PREFETCH{$k};
1659	}	2015	}
1660	}	2016	}
1661	undef $MAP_PREFETCHER;	2017	undef $MAP_PREFETCHER;
1662	};	2018	};
1663	$MAP_PREFETCHER->prio (6);	2019	$MAP_PREFETCHER->prio (6);
…		…
1666	}	2022	}
1667		2023
1668	sub save {	2024	sub save {
1669	my ($self) = @_;	2025	my ($self) = @_;
1670		2026
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;	2027	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2028
1673	$self->{last_save} = $cf::RUNTIME;	2029	$self->{last_save} = $cf::RUNTIME;
1674		2030
1675	return unless $self->dirty;	2031	return unless $self->dirty;
1676		2032
…		…
1699	my ($self) = @_;	2055	my ($self) = @_;
1700		2056
1701	# save first because save cedes	2057	# save first because save cedes
1702	$self->save;	2058	$self->save;
1703		2059
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2061
1706	return if $self->players;	2062	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;	2063	return if $self->in_memory != cf::MAP_IN_MEMORY;
1708	return if $self->{deny_save};	2064	return if $self->{deny_save};
1709		2065
…		…
1761	my $nuke_counter = "aaaa";	2117	my $nuke_counter = "aaaa";
1762		2118
1763	sub nuke {	2119	sub nuke {
1764	my ($self) = @_;	2120	my ($self) = @_;
1765		2121
		2122	{
		2123	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2124
1766	delete $cf::MAP{$self->path};	2125	delete $cf::MAP{$self->path};
1767		2126
1768	$self->unlink_save;	2127	$self->unlink_save;
1769		2128
1770	bless $self, "cf::map";	2129	bless $self, "cf::map";
1771	delete $self->{deny_reset};	2130	delete $self->{deny_reset};
1772	$self->{deny_save} = 1;	2131	$self->{deny_save} = 1;
1773	$self->reset_timeout (1);	2132	$self->reset_timeout (1);
1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2133	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775		2134
1776	$cf::MAP{$self->path} = $self;	2135	$cf::MAP{$self->path} = $self;
		2136	}
1777		2137
1778	$self->reset; # polite request, might not happen	2138	$self->reset; # polite request, might not happen
1779	}	2139	}
1780		2140
1781	=item $maps = cf::map::tmp_maps	2141	=item $maps = cf::map::tmp_maps
1782		2142
1783	Returns an arrayref with all map paths of currently instantiated and saved	2143	Returns an arrayref with all map paths of currently instantiated and saved
1784	maps.	2144	maps. May block.
1785		2145
1786	=cut	2146	=cut
1787		2147
1788	sub tmp_maps() {	2148	sub tmp_maps() {
1789	[	2149	[
1790	map {	2150	map {
1791	utf8::decode $_;	2151	utf8::decode $_;
1792	!/\.(?:pst|meta)$/ && /^$PATH_SEP/o	2152	/\.map$/
1793	? normalise $_	2153	? normalise $_
1794	: ()	2154	: ()
1795	} @{ aio_readdir $TMPDIR or [] }	2155	} @{ aio_readdir $TMPDIR or [] }
1796	]	2156	]
1797	}	2157	}
1798		2158
		2159	=item $maps = cf::map::random_maps
		2160
		2161	Returns an arrayref with all map paths of currently instantiated and saved
		2162	random maps. May block.
		2163
		2164	=cut
		2165
		2166	sub random_maps() {
		2167	[
		2168	map {
		2169	utf8::decode $_;
		2170	/\.map$/
		2171	? normalise "?random/$_"
		2172	: ()
		2173	} @{ aio_readdir $RANDOMDIR or [] }
		2174	]
		2175	}
		2176
1799	=item cf::map::unique_maps	2177	=item cf::map::unique_maps
1800		2178
1801	Returns an arrayref of paths of all shared maps that have	2179	Returns an arrayref of paths of all shared maps that have
1802	instantiated unique items. May block.	2180	instantiated unique items. May block.
1803		2181
…		…
1805		2183
1806	sub unique_maps() {	2184	sub unique_maps() {
1807	[	2185	[
1808	map {	2186	map {
1809	utf8::decode $_;	2187	utf8::decode $_;
1810	!/\.(?:pst|meta)$/ && /^$PATH_SEP/o	2188	/\.map$/
1811	? normalise $_	2189	? normalise $_
1812	: ()	2190	: ()
1813	} @{ aio_readdir $UNIQUEDIR or [] }	2191	} @{ aio_readdir $UNIQUEDIR or [] }
1814	]	2192	]
1815	}	2193	}
…		…
1837	map { $_, inv_recursive_ $_->inv } @_	2215	map { $_, inv_recursive_ $_->inv } @_
1838	}	2216	}
1839		2217
1840	sub inv_recursive {	2218	sub inv_recursive {
1841	inv_recursive_ inv $_[0]	2219	inv_recursive_ inv $_[0]
		2220	}
		2221
		2222	=item $ref = $ob->ref
		2223
		2224	creates and returns a persistent reference to an objetc that can be stored as a string.
		2225
		2226	=item $ob = cf::object::deref ($refstring)
		2227
		2228	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2229	even if the object actually exists. May block.
		2230
		2231	=cut
		2232
		2233	sub deref {
		2234	my ($ref) = @_;
		2235
		2236	# temporary compatibility#TODO#remove
		2237	$ref =~ s{^<}{player/<};
		2238
		2239	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2240	my ($uuid, $name) = ($1, $2);
		2241	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2242	or return;
		2243	$pl->ob->uuid eq $uuid
		2244	or return;
		2245
		2246	$pl->ob
		2247	} else {
		2248	warn "$ref: cannot resolve object reference\n";
		2249	undef
		2250	}
1842	}	2251	}
1843		2252
1844	package cf;	2253	package cf;
1845		2254
1846	=back	2255	=back
…		…
1865		2274
1866	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2275	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1867		2276
1868	if ($self->{record_replies}) {	2277	if ($self->{record_replies}) {
1869	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2278	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2279
1870	} else {	2280	} else {
		2281	my $pl = $self->contr;
		2282
		2283	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2284	my $dialog = $pl->{npc_dialog};
		2285	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2286
		2287	} else {
1871	$msg = $npc->name . " says: $msg" if $npc;	2288	$msg = $npc->name . " says: $msg" if $npc;
1872	$self->message ($msg, $flags);	2289	$self->message ($msg, $flags);
		2290	}
1873	}	2291	}
		2292	}
		2293
		2294	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2295
		2296	=cut
		2297
		2298	sub cf::object::send_msg {
		2299	my $pl = shift->contr
		2300	or return;
		2301	$pl->send_msg (@_);
1874	}	2302	}
1875		2303
1876	=item $player_object->may ("access")	2304	=item $player_object->may ("access")
1877		2305
1878	Returns wether the given player is authorized to access resource "access"	2306	Returns wether the given player is authorized to access resource "access"
…		…
1957	# use -1 or undef as default coordinates, not 0, 0	2385	# use -1 or undef as default coordinates, not 0, 0
1958	($x, $y) = ($map->enter_x, $map->enter_y)	2386	($x, $y) = ($map->enter_x, $map->enter_y)
1959	if $x <=0 && $y <= 0;	2387	if $x <=0 && $y <= 0;
1960		2388
1961	$map->load;	2389	$map->load;
1962	$map->load_diag;	2390	$map->load_neighbours;
1963		2391
1964	return unless $self->contr->active;	2392	return unless $self->contr->active;
1965	$self->activate_recursive;	2393	$self->activate_recursive;
1966		2394
1967	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2395	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1968	$self->enter_map ($map, $x, $y);	2396	$self->enter_map ($map, $x, $y);
1969	}	2397	}
1970		2398
1971	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2399	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1972		2400
1973	Moves the player to the given map-path and coordinates by first freezing	2401	Moves the player to the given map-path and coordinates by first freezing
1974	her, loading and preparing them map, calling the provided $check callback	2402	her, loading and preparing them map, calling the provided $check callback
1975	that has to return the map if sucecssful, and then unfreezes the player on	2403	that has to return the map if sucecssful, and then unfreezes the player on
1976	the new (success) or old (failed) map position.	2404	the new (success) or old (failed) map position. In either case, $done will
		2405	be called at the end of this process.
1977		2406
1978	=cut	2407	=cut
1979		2408
1980	our $GOTOGEN;	2409	our $GOTOGEN;
1981		2410
1982	sub cf::object::player::goto {	2411	sub cf::object::player::goto {
1983	my ($self, $path, $x, $y, $check) = @_;	2412	my ($self, $path, $x, $y, $check, $done) = @_;
1984		2413
1985	# do generation counting so two concurrent goto's will be executed in-order	2414	# do generation counting so two concurrent goto's will be executed in-order
1986	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2415	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1987		2416
1988	$self->enter_link;	2417	$self->enter_link;
…		…
2008		2437
2009	if ($gen == $self->{_goto_generation}) {	2438	if ($gen == $self->{_goto_generation}) {
2010	delete $self->{_goto_generation};	2439	delete $self->{_goto_generation};
2011	$self->leave_link ($map, $x, $y);	2440	$self->leave_link ($map, $x, $y);
2012	}	2441	}
		2442
		2443	$done->() if $done;
2013	})->prio (1);	2444	})->prio (1);
2014	}	2445	}
2015		2446
2016	=item $player_object->enter_exit ($exit_object)	2447	=item $player_object->enter_exit ($exit_object)
2017		2448
…		…
2086	my $hp = $exit->stats->hp;	2517	my $hp = $exit->stats->hp;
2087	my $sp = $exit->stats->sp;	2518	my $sp = $exit->stats->sp;
2088		2519
2089	$self->enter_link;	2520	$self->enter_link;
2090		2521
		2522	# if exit is damned, update players death & WoR home-position
		2523	$self->contr->savebed ($slaying, $hp, $sp)
		2524	if $exit->flag (FLAG_DAMNED);
		2525
2091	(async {	2526	(async {
2092	$self->deactivate_recursive; # just to be sure	2527	$self->deactivate_recursive; # just to be sure
2093	unless (eval {	2528	unless (eval {
2094	$self->goto ($slaying, $hp, $sp);	2529	$self->goto ($slaying, $hp, $sp);
2095		2530
…		…
2122		2557
2123	utf8::encode $text;	2558	utf8::encode $text;
2124	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2559	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2125	}	2560	}
2126		2561
		2562	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2563
		2564	Send a drawinfo or msg packet to the client, formatting the msg for the
		2565	client if neccessary. C<$type> should be a string identifying the type of
		2566	the message, with C<log> being the default. If C<$color> is negative, suppress
		2567	the message unless the client supports the msg packet.
		2568
		2569	=cut
		2570
		2571	our %CHANNEL = (
		2572	"c/identify" => {
		2573	id => "identify",
		2574	title => "Identify",
		2575	reply => undef,
		2576	tooltip => "Items recently identified",
		2577	},
		2578	"c/examine" => {
		2579	id => "examine",
		2580	title => "Examine",
		2581	reply => undef,
		2582	tooltip => "Signs and other items you examined",
		2583	},
		2584	);
		2585
		2586	sub cf::client::send_msg {
		2587	my ($self, $channel, $msg, $color, @extra) = @_;
		2588
		2589	$msg = $self->pl->expand_cfpod ($msg);
		2590
		2591	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2592
		2593	# check predefined channels, for the benefit of C
		2594	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2595
		2596	if (ref $channel) {
		2597	# send meta info to client, if not yet sent
		2598	unless (exists $self->{channel}{$channel->{id}}) {
		2599	$self->{channel}{$channel->{id}} = $channel;
		2600	$self->ext_msg (channel_info => $channel)
		2601	if $self->can_msg;
		2602	}
		2603
		2604	$channel = $channel->{id};
		2605	}
		2606
		2607	return unless @extra || length $msg;
		2608
		2609	if ($self->can_msg) {
		2610	# default colour, mask it out
		2611	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2612	if $color & cf::NDI_DEF;
		2613
		2614	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2615	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2616	} else {
		2617	if ($color >= 0) {
		2618	# replace some tags by gcfclient-compatible ones
		2619	for ($msg) {
		2620	1 while
		2621	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2622	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2623	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2624	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2625	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2626	}
		2627
		2628	$color &= cf::NDI_COLOR_MASK;
		2629
		2630	utf8::encode $msg;
		2631
		2632	if (0 && $msg =~ /\[/) {
		2633	# COMMAND/INFO
		2634	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2635	} else {
		2636	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2637	$self->send_packet ("drawinfo $color $msg")
		2638	}
		2639	}
		2640	}
		2641	}
		2642
2127	=item $client->ext_event ($type, %msg)	2643	=item $client->ext_msg ($type, @msg)
2128		2644
2129	Sends an exti event to the client.	2645	Sends an ext event to the client.
2130		2646
2131	=cut	2647	=cut
2132		2648
2133	sub cf::client::ext_event($$%) {	2649	sub cf::client::ext_msg($$@) {
2134	my ($self, $type, %msg) = @_;	2650	my ($self, $type, @msg) = @_;
2135		2651
		2652	if ($self->extcmd == 2) {
		2653	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2654	} elsif ($self->extcmd == 1) { # TODO: remove
2136	$msg{msgtype} = "event_$type";	2655	push @msg, msgtype => "event_$type";
2137	$self->send_packet ("ext " . cf::to_json \%msg);	2656	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2657	}
		2658	}
		2659
		2660	=item $client->ext_reply ($msgid, @msg)
		2661
		2662	Sends an ext reply to the client.
		2663
		2664	=cut
		2665
		2666	sub cf::client::ext_reply($$@) {
		2667	my ($self, $id, @msg) = @_;
		2668
		2669	if ($self->extcmd == 2) {
		2670	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2671	} elsif ($self->extcmd == 1) {
		2672	#TODO: version 1, remove
		2673	unshift @msg, msgtype => "reply", msgid => $id;
		2674	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2675	}
2138	}	2676	}
2139		2677
2140	=item $success = $client->query ($flags, "text", \&cb)	2678	=item $success = $client->query ($flags, "text", \&cb)
2141		2679
2142	Queues a query to the client, calling the given callback with	2680	Queues a query to the client, calling the given callback with
2143	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2681	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2144	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2682	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2145		2683
2146	Queries can fail, so check the return code. Or don't, as queries will become	2684	Queries can fail, so check the return code. Or don't, as queries will
2147	reliable at some point in the future.	2685	become reliable at some point in the future.
2148		2686
2149	=cut	2687	=cut
2150		2688
2151	sub cf::client::query {	2689	sub cf::client::query {
2152	my ($self, $flags, $text, $cb) = @_;	2690	my ($self, $flags, $text, $cb) = @_;
…		…
2160	utf8::encode $text;	2698	utf8::encode $text;
2161	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2699	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2162		2700
2163	$self->send_packet ($self->{query_queue}[0][0])	2701	$self->send_packet ($self->{query_queue}[0][0])
2164	if @{ $self->{query_queue} } == 1;	2702	if @{ $self->{query_queue} } == 1;
		2703
		2704	1
2165	}	2705	}
2166		2706
2167	cf::client->attach (	2707	cf::client->attach (
		2708	on_connect => sub {
		2709	my ($ns) = @_;
		2710
		2711	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2712	},
2168	on_reply => sub {	2713	on_reply => sub {
2169	my ($ns, $msg) = @_;	2714	my ($ns, $msg) = @_;
2170		2715
2171	# this weird shuffling is so that direct followup queries	2716	# this weird shuffling is so that direct followup queries
2172	# get handled first	2717	# get handled first
…		…
2184	} else {	2729	} else {
2185	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2730	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2186	}	2731	}
2187	}	2732	}
2188	},	2733	},
		2734	on_exticmd => sub {
		2735	my ($ns, $buf) = @_;
		2736
		2737	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2738
		2739	if (ref $msg) {
		2740	my ($type, $reply, @payload) =
		2741	"ARRAY" eq ref $msg
		2742	? @$msg
		2743	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2744
		2745	my @reply;
		2746
		2747	if (my $cb = $EXTICMD{$type}) {
		2748	@reply = $cb->($ns, @payload);
		2749	}
		2750
		2751	$ns->ext_reply ($reply, @reply)
		2752	if $reply;
		2753
		2754	} else {
		2755	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2756	}
		2757
		2758	cf::override;
		2759	},
2189	);	2760	);
2190		2761
2191	=item $client->async (\&cb)	2762	=item $client->async (\&cb)
2192		2763
2193	Create a new coroutine, running the specified callback. The coroutine will	2764	Create a new coroutine, running the specified callback. The coroutine will
…		…
2234	our $safe = new Safe "safe";	2805	our $safe = new Safe "safe";
2235	our $safe_hole = new Safe::Hole;	2806	our $safe_hole = new Safe::Hole;
2236		2807
2237	$SIG{FPE} = 'IGNORE';	2808	$SIG{FPE} = 'IGNORE';
2238		2809
2239	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2810	$safe->permit_only (Opcode::opset qw(
		2811	:base_core :base_mem :base_orig :base_math
		2812	grepstart grepwhile mapstart mapwhile
		2813	sort time
		2814	));
2240		2815
2241	# here we export the classes and methods available to script code	2816	# here we export the classes and methods available to script code
2242		2817
2243	=pod	2818	=pod
2244		2819
2245	The following functions and methods are available within a safe environment:	2820	The following functions and methods are available within a safe environment:
2246		2821
2247	cf::object contr pay_amount pay_player map	2822	cf::object
		2823	contr pay_amount pay_player map x y force_find force_add
		2824	insert remove name archname title slaying race decrease_ob_nr
		2825
2248	cf::object::player player	2826	cf::object::player
2249	cf::player peaceful	2827	player
2250	cf::map trigger	2828
		2829	cf::player
		2830	peaceful
		2831
		2832	cf::map
		2833	trigger
2251		2834
2252	=cut	2835	=cut
2253		2836
2254	for (	2837	for (
2255	["cf::object" => qw(contr pay_amount pay_player map)],	2838	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2839	insert remove inv name archname title slaying race
		2840	decrease_ob_nr)],
2256	["cf::object::player" => qw(player)],	2841	["cf::object::player" => qw(player)],
2257	["cf::player" => qw(peaceful)],	2842	["cf::player" => qw(peaceful)],
2258	["cf::map" => qw(trigger)],	2843	["cf::map" => qw(trigger)],
2259	) {	2844	) {
2260	no strict 'refs';	2845	no strict 'refs';
…		…
2331	=back	2916	=back
2332		2917
2333	=cut	2918	=cut
2334		2919
2335	#############################################################################	2920	#############################################################################
2336
2337	=head2 EXTENSION DATABASE SUPPORT
2338
2339	Crossfire maintains a very simple database for extension use. It can
2340	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2341	convert to/from binary).
2342
2343	The parameter C<$family> should best start with the name of the extension
2344	using it, it should be unique.
2345
2346	=over 4
2347
2348	=item $value = cf::db_get $family => $key
2349
2350	Returns a single value from the database.
2351
2352	=item cf::db_put $family => $key => $value
2353
2354	Stores the given C<$value> in the family.
2355
2356	=cut
2357
2358	our $DB;
2359
2360	sub db_init {
2361	unless ($DB) {
2362	$DB = BDB::db_create $DB_ENV;
2363
2364	cf::sync_job {
2365	eval {
2366	$DB->set_flags (BDB::CHKSUM);
2367
2368	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2369	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2370	cf::cleanup "db_open(db): $!" if $!;
2371	};
2372	cf::cleanup "db_open(db): $@" if $@;
2373	};
2374	}
2375	}
2376
2377	sub db_get($$) {
2378	my $key = "$_[0]/$_[1]";
2379
2380	cf::sync_job {
2381	BDB::db_get $DB, undef, $key, my $data;
2382
2383	$! ? ()
2384	: $data
2385	}
2386	}
2387
2388	sub db_put($$$) {
2389	BDB::dbreq_pri 4;
2390	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2391	}
2392
2393	=item cf::cache $id => [$paths...], $processversion => $process
2394
2395	Generic caching function that returns the value of the resource $id,
2396	caching and regenerating as required.
2397
2398	This function can block.
2399
2400	=cut
2401
2402	sub cache {
2403	my ($id, $src, $processversion, $process) = @_;
2404
2405	my $meta =
2406	join "\x00",
2407	$processversion,
2408	map {
2409	aio_stat $_
2410	and Carp::croak "$_: $!";
2411
2412	($_, (stat _)[7,9])
2413	} @$src;
2414
2415	my $dbmeta = db_get cache => "$id/meta";
2416	if ($dbmeta ne $meta) {
2417	# changed, we may need to process
2418
2419	my @data;
2420	my $md5;
2421
2422	for (0 .. $#$src) {
2423	0 <= aio_load $src->[$_], $data[$_]
2424	or Carp::croak "$src->[$_]: $!";
2425	}
2426
2427	# if processing is expensive, check
2428	# checksum first
2429	if (1) {
2430	$md5 =
2431	join "\x00",
2432	$processversion,
2433	map {
2434	Coro::cede;
2435	($src->[$_], Digest::MD5::md5_hex $data[$_])
2436	} 0.. $#$src;
2437
2438
2439	my $dbmd5 = db_get cache => "$id/md5";
2440	if ($dbmd5 eq $md5) {
2441	db_put cache => "$id/meta", $meta;
2442
2443	return db_get cache => "$id/data";
2444	}
2445	}
2446
2447	my $t1 = Time::HiRes::time;
2448	my $data = $process->(\@data);
2449	my $t2 = Time::HiRes::time;
2450
2451	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2452
2453	db_put cache => "$id/data", $data;
2454	db_put cache => "$id/md5" , $md5;
2455	db_put cache => "$id/meta", $meta;
2456
2457	return $data;
2458	}
2459
2460	db_get cache => "$id/data"
2461	}
2462
2463	=item fork_call { }, $args
2464
2465	Executes the given code block with the given arguments in a seperate
2466	process, returning the results. Everything must be serialisable with
2467	Coro::Storable. May, of course, block. Note that the executed sub may
2468	never block itself or use any form of Event handling.
2469
2470	=cut
2471
2472	sub fork_call(&@) {
2473	my ($cb, @args) = @_;
2474
2475	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2476	# or die "socketpair: $!";
2477	pipe my $fh1, my $fh2
2478	or die "pipe: $!";
2479
2480	if (my $pid = fork) {
2481	close $fh2;
2482
2483	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2484	$res = Coro::Storable::thaw $res;
2485
2486	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2487
2488	die $$res unless "ARRAY" eq ref $res;
2489
2490	return wantarray ? @$res : $res->[-1];
2491	} else {
2492	reset_signals;
2493	local $SIG{__WARN__};
2494	local $SIG{__DIE__};
2495	eval {
2496	close $fh1;
2497
2498	my @res = eval { $cb->(@args) };
2499	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2500	};
2501
2502	warn $@ if $@;
2503	_exit 0;
2504	}
2505	}
2506
2507	#############################################################################
2508	# the server's init and main functions	2921	# the server's init and main functions
2509		2922
2510	sub load_facedata($) {	2923	sub load_facedata($) {
2511	my ($path) = @_;	2924	my ($path) = @_;
		2925
		2926	# HACK to clear player env face cache, we need some signal framework
		2927	# for this (global event?)
		2928	%ext::player_env::MUSIC_FACE_CACHE = ();
		2929
		2930	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2512		2931
2513	warn "loading facedata from $path\n";	2932	warn "loading facedata from $path\n";
2514		2933
2515	my $facedata;	2934	my $facedata;
2516	0 < aio_load $path, $facedata	2935	0 < aio_load $path, $facedata
…		…
2519	$facedata = Coro::Storable::thaw $facedata;	2938	$facedata = Coro::Storable::thaw $facedata;
2520		2939
2521	$facedata->{version} == 2	2940	$facedata->{version} == 2
2522	or cf::cleanup "$path: version mismatch, cannot proceed.";	2941	or cf::cleanup "$path: version mismatch, cannot proceed.";
2523		2942
		2943	# patch in the exptable
		2944	$facedata->{resource}{"res/exp_table"} = {
		2945	type => FT_RSRC,
		2946	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2947	};
		2948	cf::cede_to_tick;
		2949
2524	{	2950	{
2525	my $faces = $facedata->{faceinfo};	2951	my $faces = $facedata->{faceinfo};
2526		2952
2527	while (my ($face, $info) = each %$faces) {	2953	while (my ($face, $info) = each %$faces) {
2528	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2954	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2529	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2955	cf::face::set_visibility $idx, $info->{visibility};
		2956	cf::face::set_magicmap $idx, $info->{magicmap};
2530	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2957	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2531	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2958	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2532	Coro::cede;	2959
		2960	cf::cede_to_tick;
2533	}	2961	}
2534		2962
2535	while (my ($face, $info) = each %$faces) {	2963	while (my ($face, $info) = each %$faces) {
2536	next unless $info->{smooth};	2964	next unless $info->{smooth};
2537	my $idx = cf::face::find $face	2965	my $idx = cf::face::find $face
2538	or next;	2966	or next;
2539	if (my $smooth = cf::face::find $info->{smooth}) {	2967	if (my $smooth = cf::face::find $info->{smooth}) {
		2968	cf::face::set_smooth $idx, $smooth;
2540	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2969	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2541	} else {	2970	} else {
2542	warn "smooth face '$info->{smooth}' not found for face '$face'";	2971	warn "smooth face '$info->{smooth}' not found for face '$face'";
2543	}	2972	}
2544	Coro::cede;	2973
		2974	cf::cede_to_tick;
2545	}	2975	}
2546	}	2976	}
2547		2977
2548	{	2978	{
2549	my $anims = $facedata->{animinfo};	2979	my $anims = $facedata->{animinfo};
2550		2980
2551	while (my ($anim, $info) = each %$anims) {	2981	while (my ($anim, $info) = each %$anims) {
2552	cf::anim::set $anim, $info->{frames}, $info->{facings};	2982	cf::anim::set $anim, $info->{frames}, $info->{facings};
2553	Coro::cede;	2983	cf::cede_to_tick;
2554	}	2984	}
2555		2985
2556	cf::anim::invalidate_all; # d'oh	2986	cf::anim::invalidate_all; # d'oh
2557	}	2987	}
2558		2988
		2989	{
		2990	# TODO: for gcfclient pleasure, we should give resources
		2991	# that gcfclient doesn't grok a >10000 face index.
		2992	my $res = $facedata->{resource};
		2993
		2994	my $soundconf = delete $res->{"res/sound.conf"};
		2995
		2996	while (my ($name, $info) = each %$res) {
		2997	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2998	my $data;
		2999
		3000	if ($info->{type} & 1) {
		3001	# prepend meta info
		3002
		3003	my $meta = $enc->encode ({
		3004	name => $name,
		3005	%{ $info->{meta} || {} },
		3006	});
		3007
		3008	$data = pack "(w/a*)*", $meta, $info->{data};
		3009	} else {
		3010	$data = $info->{data};
		3011	}
		3012
		3013	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3014	cf::face::set_type $idx, $info->{type};
		3015
		3016	cf::cede_to_tick;
		3017	}
		3018
		3019	if ($soundconf) {
		3020	$soundconf = $enc->decode (delete $soundconf->{data});
		3021
		3022	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3023	my $sound = $soundconf->{compat}[$_]
		3024	or next;
		3025
		3026	my $face = cf::face::find "sound/$sound->[1]";
		3027	cf::sound::set $sound->[0] => $face;
		3028	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3029	}
		3030
		3031	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3032	my $face = cf::face::find "sound/$v";
		3033	cf::sound::set $k => $face;
		3034	}
		3035	}
		3036	}
		3037
2559	1	3038	1
2560	}	3039	}
2561		3040
		3041	register_exticmd fx_want => sub {
		3042	my ($ns, $want) = @_;
		3043
		3044	while (my ($k, $v) = each %$want) {
		3045	$ns->fx_want ($k, $v);
		3046	}
		3047	};
		3048
2562	sub reload_regions {	3049	sub reload_regions {
		3050	# HACK to clear player env face cache, we need some signal framework
		3051	# for this (global event?)
		3052	%ext::player_env::MUSIC_FACE_CACHE = ();
		3053
2563	load_resource_file "$MAPDIR/regions"	3054	load_resource_file "$MAPDIR/regions"
2564	or die "unable to load regions file\n";	3055	or die "unable to load regions file\n";
		3056
		3057	for (cf::region::list) {
		3058	$_->{match} = qr/$_->{match}/
		3059	if exists $_->{match};
		3060	}
2565	}	3061	}
2566		3062
2567	sub reload_facedata {	3063	sub reload_facedata {
2568	load_facedata "$DATADIR/facedata"	3064	load_facedata "$DATADIR/facedata"
2569	or die "unable to load facedata\n";	3065	or die "unable to load facedata\n";
2570	}	3066	}
2571		3067
2572	sub reload_archetypes {	3068	sub reload_archetypes {
		3069	load_resource_file "$DATADIR/archetypes"
		3070	or die "unable to load archetypes\n";
		3071	#d# NEED to laod twice to resolve forward references
		3072	# this really needs to be done in an extra post-pass
		3073	# (which needs to be synchronous, so solve it differently)
2573	load_resource_file "$DATADIR/archetypes"	3074	load_resource_file "$DATADIR/archetypes"
2574	or die "unable to load archetypes\n";	3075	or die "unable to load archetypes\n";
2575	}	3076	}
2576		3077
2577	sub reload_treasures {	3078	sub reload_treasures {
…		…
2593		3094
2594	sub init {	3095	sub init {
2595	reload_resources;	3096	reload_resources;
2596	}	3097	}
2597		3098
2598	sub cfg_load {	3099	sub reload_config {
2599	open my $fh, "<:utf8", "$CONFDIR/config"	3100	open my $fh, "<:utf8", "$CONFDIR/config"
2600	or return;	3101	or return;
2601		3102
2602	local $/;	3103	local $/;
2603	*CFG = YAML::Syck::Load <$fh>;	3104	*CFG = YAML::Syck::Load <$fh>;
…		…
2623	(async {	3124	(async {
2624	Event::one_event;	3125	Event::one_event;
2625	})->prio (Coro::PRIO_MAX);	3126	})->prio (Coro::PRIO_MAX);
2626	};	3127	};
2627		3128
2628	cfg_load;	3129	reload_config;
2629	db_init;	3130	db_init;
2630	load_extensions;	3131	load_extensions;
2631		3132
2632	$TICK_WATCHER->start;	3133	$TICK_WATCHER->start;
2633	Event::loop;	3134	Event::loop;
…		…
2649	},	3150	},
2650	);	3151	);
2651	}	3152	}
2652	}	3153	}
2653		3154
		3155	sub write_runtime {
		3156	my $runtime = "$LOCALDIR/runtime";
		3157
		3158	# first touch the runtime file to show we are still running:
		3159	# the fsync below can take a very very long time.
		3160
		3161	IO::AIO::aio_utime $runtime, undef, undef;
		3162
		3163	my $guard = cf::lock_acquire "write_runtime";
		3164
		3165	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3166	or return;
		3167
		3168	my $value = $cf::RUNTIME + 90 + 10;
		3169	# 10 is the runtime save interval, for a monotonic clock
		3170	# 60 allows for the watchdog to kill the server.
		3171
		3172	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3173	and return;
		3174
		3175	# always fsync - this file is important
		3176	aio_fsync $fh
		3177	and return;
		3178
		3179	# touch it again to show we are up-to-date
		3180	aio_utime $fh, undef, undef;
		3181
		3182	close $fh
		3183	or return;
		3184
		3185	aio_rename "$runtime~", $runtime
		3186	and return;
		3187
		3188	warn "runtime file written.\n";
		3189
		3190	1
		3191	}
		3192
2654	sub emergency_save() {	3193	sub emergency_save() {
2655	my $freeze_guard = cf::freeze_mainloop;	3194	my $freeze_guard = cf::freeze_mainloop;
2656		3195
2657	warn "enter emergency perl save\n";	3196	warn "enter emergency perl save\n";
2658		3197
…		…
2733	%EXT_CORO = ();	3272	%EXT_CORO = ();
2734		3273
2735	warn "removing commands";	3274	warn "removing commands";
2736	%COMMAND = ();	3275	%COMMAND = ();
2737		3276
2738	warn "removing ext commands";	3277	warn "removing ext/exti commands";
2739	%EXTCMD = ();	3278	%EXTCMD = ();
		3279	%EXTICMD = ();
2740		3280
2741	warn "unloading/nuking all extensions";	3281	warn "unloading/nuking all extensions";
2742	for my $pkg (@EXTS) {	3282	for my $pkg (@EXTS) {
2743	warn "... unloading $pkg";	3283	warn "... unloading $pkg";
2744		3284
…		…
2787	warn "reloading cf.pm";	3327	warn "reloading cf.pm";
2788	require cf;	3328	require cf;
2789	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3329	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2790		3330
2791	warn "loading config and database again";	3331	warn "loading config and database again";
2792	cf::cfg_load;	3332	cf::reload_config;
2793		3333
2794	warn "loading extensions";	3334	warn "loading extensions";
2795	cf::load_extensions;	3335	cf::load_extensions;
2796		3336
2797	warn "reattaching attachments to objects/players";	3337	warn "reattaching attachments to objects/players";
…		…
2890	or die;	3430	or die;
2891		3431
2892	$map->width (50);	3432	$map->width (50);
2893	$map->height (50);	3433	$map->height (50);
2894	$map->alloc;	3434	$map->alloc;
2895	$map->_load_objects ("/tmp/x.map", 1);	3435	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
2896	my $t = Event::time - $t;	3436	my $t = Event::time - $t;
2897		3437
2898	#next unless $t < 0.0013;#d#	3438	#next unless $t < 0.0013;#d#
2899	if ($t < $min) {	3439	if ($t < $min) {
2900	$min = $t;	3440	$min = $t;

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