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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.270 by root, Sat May 26 15:44:06 2007 UTC vs.
Revision 1.346 by root, Tue Aug 28 19:38:40 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
…		…
305	};	323	};
306	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
307	$guard	325	$guard
308	}	326	}
309		327
		328	=item cf::get_slot $time[, $priority[, $name]]
		329
		330	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		331	This call blocks and returns only when you have at least C<$time> seconds
		332	of cpu time till the next tick. The slot is only valid till the next cede.
		333
		334	The optional C<$name> can be used to identify the job to run. It might be
		335	used for statistical purposes and should identify the same time-class.
		336
		337	Useful for short background jobs.
		338
		339	=cut
		340
		341	our @SLOT_QUEUE;
		342	our $SLOT_QUEUE;
		343
		344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		345	$SLOT_QUEUE = Coro::async {
		346	my $signal = new Coro::Signal;
		347
		348	while () {
		349	next_job:
		350	my $avail = cf::till_tick;
		351	if ($avail > 0.01) {
		352	for (0 .. $#SLOT_QUEUE) {
		353	if ($SLOT_QUEUE[$_][0] < $avail) {
		354	my $job = splice @SLOT_QUEUE, $_, 1, ();
		355	$job->[2]->send;
		356	Coro::cede;
		357	goto next_job;
		358	}
		359	}
		360	}
		361
		362	if (@SLOT_QUEUE) {
		363	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		364	push @cf::WAIT_FOR_TICK, $signal;
		365	$signal->wait;
		366	} else {
		367	Coro::schedule;
		368	}
		369	}
		370	};
		371
		372	sub get_slot($;$$) {
		373	my ($time, $pri, $name) = @_;
		374
		375	$time = $TICK * .6 if $time > $TICK * .6;
		376	my $sig = new Coro::Signal;
		377
		378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		380	$SLOT_QUEUE->ready;
		381	$sig->wait;
		382	}
		383
310	=item cf::async { BLOCK }	384	=item cf::async { BLOCK }
311		385
312	Currently the same as Coro::async_pool, meaning you cannot use	386	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	387	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.	388	thing you are allowed to do is call C<prio> on it.
…		…
317		391
318	BEGIN { *async = \&Coro::async_pool }	392	BEGIN { *async = \&Coro::async_pool }
319		393
320	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
321		395
322	The design of crossfire+ requires that the main coro ($Coro::main) is	396	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	397	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.	398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		399	acceptable.
325		400
326	If it must be done, put the blocking parts into C<sync_job>. This will run	401	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	402	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	403	server will be frozen during this time, so the block should either finish
329	fast or be very important.	404	fast or be very important.
…		…
389	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
390		465
391	$coro	466	$coro
392	}	467	}
393		468
394	sub write_runtime {	469	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		470
397	# first touch the runtime file to show we are still running:	471	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	472	process, returning the results. Everything must be serialisable with
		473	Coro::Storable. May, of course, block. Note that the executed sub may
		474	never block itself or use any form of Event handling.
399		475
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	476	=cut
401	utime undef, undef, $fh;
402	}
403		477
404	my $guard = cf::lock_acquire "write_runtime";	478	sub fork_call(&@) {
		479	my ($cb, @args) = @_;
405		480
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	481	# we seemingly have to make a local copy of the whole thing,
407	or return;	482	# otherwise perl prematurely frees the stuff :/
		483	# TODO: investigate and fix (liekly this will be rather laborious)
408		484
409	my $value = $cf::RUNTIME + 90 + 10;	485	my @res = Coro::Util::fork_eval {
410	# 10 is the runtime save interval, for a monotonic clock	486	reset_signals;
411	# 60 allows for the watchdog to kill the server.	487	&$cb
		488	}, @args;
412		489
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	490	wantarray ? @res : $res[-1]
414	and return;	491	}
415		492
416	# always fsync - this file is important	493	=item $value = cf::db_get $family => $key
417	aio_fsync $fh
418	and return;
419		494
420	# touch it again to show we are up-to-date	495	Returns a single value from the environment database.
421	utime undef, undef, $fh;
422		496
423	close $fh	497	=item cf::db_put $family => $key => $value
424	or return;
425		498
426	aio_rename "$runtime~", $runtime	499	Stores the given C<$value> in the family. It can currently store binary
427	and return;	500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
428		501
429	warn "runtime file written.\n";#d#	502	=cut
430		503
		504	our $DB;
		505
		506	sub db_init {
		507	unless ($DB) {
		508	$DB = BDB::db_create $DB_ENV;
		509
		510	cf::sync_job {
		511	eval {
		512	$DB->set_flags (BDB::CHKSUM);
		513
		514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		516	cf::cleanup "db_open(db): $!" if $!;
		517	};
		518	cf::cleanup "db_open(db): $@" if $@;
		519	};
431	1	520	}
		521	}
		522
		523	sub db_get($$) {
		524	my $key = "$_[0]/$_[1]";
		525
		526	cf::sync_job {
		527	BDB::db_get $DB, undef, $key, my $data;
		528
		529	$! ? ()
		530	: $data
		531	}
		532	}
		533
		534	sub db_put($$$) {
		535	BDB::dbreq_pri 4;
		536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		537	}
		538
		539	=item cf::cache $id => [$paths...], $processversion => $process
		540
		541	Generic caching function that returns the value of the resource $id,
		542	caching and regenerating as required.
		543
		544	This function can block.
		545
		546	=cut
		547
		548	sub cache {
		549	my ($id, $src, $processversion, $process) = @_;
		550
		551	my $meta =
		552	join "\x00",
		553	$processversion,
		554	map {
		555	aio_stat $_
		556	and Carp::croak "$_: $!";
		557
		558	($_, (stat _)[7,9])
		559	} @$src;
		560
		561	my $dbmeta = db_get cache => "$id/meta";
		562	if ($dbmeta ne $meta) {
		563	# changed, we may need to process
		564
		565	my @data;
		566	my $md5;
		567
		568	for (0 .. $#$src) {
		569	0 <= aio_load $src->[$_], $data[$_]
		570	or Carp::croak "$src->[$_]: $!";
		571	}
		572
		573	# if processing is expensive, check
		574	# checksum first
		575	if (1) {
		576	$md5 =
		577	join "\x00",
		578	$processversion,
		579	map {
		580	cf::cede_to_tick;
		581	($src->[$_], Digest::MD5::md5_hex $data[$_])
		582	} 0.. $#$src;
		583
		584
		585	my $dbmd5 = db_get cache => "$id/md5";
		586	if ($dbmd5 eq $md5) {
		587	db_put cache => "$id/meta", $meta;
		588
		589	return db_get cache => "$id/data";
		590	}
		591	}
		592
		593	my $t1 = Time::HiRes::time;
		594	my $data = $process->(\@data);
		595	my $t2 = Time::HiRes::time;
		596
		597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		598
		599	db_put cache => "$id/data", $data;
		600	db_put cache => "$id/md5" , $md5;
		601	db_put cache => "$id/meta", $meta;
		602
		603	return $data;
		604	}
		605
		606	db_get cache => "$id/data"
432	}	607	}
433		608
434	=item cf::datalog type => key => value, ...	609	=item cf::datalog type => key => value, ...
435		610
436	Log a datalog packet of the given type with the given key-value pairs.	611	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")	629	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
456		631
457	In the following description, CLASS can be any of C<global>, C<object>	632	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	633	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	634	Crossfire TRT).
460		635
461	=over 4	636	=over 4
462		637
463	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
464		639
…		…
666	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
667	}	842	}
668		843
669	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
670	} else {	845	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	847	}
673		848
674	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
675	}	850	}
676		851
…		…
716	";	891	";
717	die if $@;	892	die if $@;
718	}	893	}
719		894
720	our $override;	895	our $override;
721	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	896	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
722		897
723	sub override {	898	sub override {
724	$override = 1;	899	$override = 1;
725	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
726	}	901	}
727		902
728	sub do_invoke {	903	sub do_invoke {
729	my $event = shift;	904	my $event = shift;
730	my $callbacks = shift;	905	my $callbacks = shift;
731		906
732	@invoke_results = ();	907	@INVOKE_RESULTS = ();
733		908
734	local $override;	909	local $override;
735		910
736	for (@$callbacks) {	911	for (@$callbacks) {
737	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
754		929
755	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
756		931
757	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	932	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	933	removed in future versions), and there is no public API to access override
759	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		935
761	=back	936	=back
762		937
763	=cut	938	=cut
764		939
765	#############################################################################	940	#############################################################################
766	# object support	941	# object support
		942	#
		943
		944	sub _can_merge {
		945	my ($ob1, $ob2) = @_;
		946
		947	local $Storable::canonical = 1;
		948	my $fob1 = Storable::freeze $ob1;
		949	my $fob2 = Storable::freeze $ob2;
		950
		951	$fob1 eq $fob2
		952	}
767		953
768	sub reattach {	954	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	956	my ($obj) = @_;
771		957
…		…
874	or return;	1060	or return;
875	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
876	}	1062	}
877		1063
878	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
880	return ($data, $av);	1066	return ($data, $av);
881	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
882		1074
883	#############################################################################	1075	#############################################################################
884	# command handling &c	1076	# command handling &c
885		1077
886	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1092	}
901		1093
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1095
904	Register a callbackf ro execution when the client sends an extcmd packet.	1096	Register a callback for execution when the client sends an (synchronous)
		1097	extcmd packet. Ext commands will be processed in the order they are
		1098	received by the server, like other user commands. The first argument is
		1099	the logged-in player. Ext commands can only be processed after a player
		1100	has logged in successfully.
905		1101
906	If the callback returns something, it is sent back as if reply was being	1102	If the callback returns something, it is sent back as if reply was being
907	called.	1103	called.
908		1104
		1105	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1106
		1107	Register a callback for execution when the client sends an (asynchronous)
		1108	exticmd packet. Exti commands are processed by the server as soon as they
		1109	are received, i.e. out of order w.r.t. other commands. The first argument
		1110	is a client socket. Exti commands can be received anytime, even before
		1111	log-in.
		1112
		1113	If the callback returns something, it is sent back as if reply was being
		1114	called.
		1115
909	=cut	1116	=cut
910		1117
911	sub register_extcmd {	1118	sub register_extcmd {
912	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
913		1120
914	$EXTCMD{$name} = $cb;	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
915	}	1128	}
916		1129
917	cf::player->attach (	1130	cf::player->attach (
918	on_command => sub {	1131	on_command => sub {
919	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
928	cf::override;	1141	cf::override;
929	},	1142	},
930	on_extcmd => sub {	1143	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
932		1145
933	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1147
935	if (ref $msg) {	1148	if (ref $msg) {
		1149	my ($type, $reply, @payload) =
		1150	"ARRAY" eq ref $msg
		1151	? @$msg
		1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1153
		1154	my @reply;
		1155
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1156	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1157	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1158	}
		1159
		1160	$pl->ext_reply ($reply, @reply)
		1161	if $reply;
		1162
941	} else {	1163	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1164	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1165	}
944		1166
945	cf::override;	1167	cf::override;
946	},	1168	},
947	);	1169	);
948		1170
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 {	1171	sub load_extensions {
		1172	cf::sync_job {
		1173	my %todo;
		1174
984	for my $ext (<$LIBDIR/*.ext>) {	1175	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1176	next unless -r $path;
986	eval {	1177
987	load_extension $ext;	1178	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1179	my $base = $1;
		1180	my $pkg = $1;
		1181	$pkg =~ s/[^[:word:]]/_/g;
		1182	$pkg = "ext::$pkg";
		1183
		1184	open my $fh, "<:utf8", $path
		1185	or die "$path: $!";
		1186
		1187	my $source = do { local $/; <$fh> };
		1188
		1189	my %ext = (
		1190	path => $path,
		1191	base => $base,
		1192	pkg => $pkg,
		1193	);
		1194
		1195	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1196	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1197
		1198	$ext{source} =
		1199	"package $pkg; use strict; use utf8;\n"
		1200	. "#line 1 \"$path\"\n{\n"
		1201	. $source
		1202	. "\n};\n1";
		1203
		1204	$todo{$base} = \%ext;
		1205	}
		1206
		1207	my %done;
		1208	while (%todo) {
		1209	my $progress;
		1210
		1211	while (my ($k, $v) = each %todo) {
		1212	for (split /,\s*/, $v->{meta}{depends}) {
		1213	goto skip
		1214	unless exists $done{$_};
		1215	}
		1216
		1217	warn "... loading '$k' into '$v->{pkg}'\n";
		1218
		1219	unless (eval $v->{source}) {
		1220	my $msg = $@ ? "$v->{path}: $@\n"
		1221	: "$v->{base}: extension inactive.\n";
		1222
		1223	if (exists $v->{meta}{mandatory}) {
		1224	warn $msg;
		1225	warn "mandatory extension failed to load, exiting.\n";
		1226	exit 1;
		1227	}
		1228
		1229	warn $msg;
		1230	}
		1231
		1232	$done{$k} = delete $todo{$k};
		1233	push @EXTS, $v->{pkg};
		1234	$progress = 1;
988	1	1235	}
989	} or warn "$ext not loaded: $@";	1236
		1237	skip:
		1238	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1239	unless $progress;
		1240	}
990	}	1241	};
991	}	1242	}
992		1243
993	#############################################################################	1244	#############################################################################
		1245
		1246	=back
994		1247
995	=head2 CORE EXTENSIONS	1248	=head2 CORE EXTENSIONS
996		1249
997	Functions and methods that extend core crossfire objects.	1250	Functions and methods that extend core crossfire objects.
998		1251
…		…
1069		1322
1070	aio_mkdir playerdir $pl, 0770;	1323	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1324	$pl->{last_save} = $cf::RUNTIME;
1072		1325
1073	$pl->save_pl ($path);	1326	$pl->save_pl ($path);
1074	Coro::cede;	1327	cf::cede_to_tick;
1075	}	1328	}
1076		1329
1077	sub new($) {	1330	sub new($) {
1078	my ($login) = @_;	1331	my ($login) = @_;
1079		1332
…		…
1083	$self->{deny_save} = 1;	1336	$self->{deny_save} = 1;
1084		1337
1085	$cf::PLAYER{$login} = $self;	1338	$cf::PLAYER{$login} = $self;
1086		1339
1087	$self	1340	$self
		1341	}
		1342
		1343	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1344
		1345	=cut
		1346
		1347	sub send_msg {
		1348	my $ns = shift->ns
		1349	or return;
		1350	$ns->send_msg (@_);
1088	}	1351	}
1089		1352
1090	=item $pl->quit_character	1353	=item $pl->quit_character
1091		1354
1092	Nukes the player without looking back. If logged in, the connection will	1355	Nukes the player without looking back. If logged in, the connection will
…		…
1186	}	1449	}
1187		1450
1188	\@paths	1451	\@paths
1189	}	1452	}
1190		1453
		1454	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1455
		1456	Expand crossfire pod fragments into protocol xml.
		1457
		1458	=cut
		1459
		1460	sub expand_cfpod {
		1461	((my $self), (local $_)) = @_;
		1462
		1463	# escape & and <
		1464	s/&/&amp;/g;
		1465	s/(?<![BIUGH])</&lt;/g;
		1466
		1467	# this is buggy, it needs to properly take care of nested <'s
		1468
		1469	1 while
		1470	# replace B<>, I<>, U<> etc.
		1471	s/B<([^\>]*)>/<b>$1<\/b>/
		1472	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1473	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1474	# replace G<male|female> tags
		1475	|| s{G<([^>|]*)\|([^>]*)>}{
		1476	$self->gender ? $2 : $1
		1477	}ge
		1478	# replace H<hint text>
		1479	|| s{H<([^\>]*)>}
		1480	{
		1481	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1482	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1483	"")
		1484	[$self->{hintmode}]
		1485	}ge;
		1486
		1487	# create single paragraphs (very hackish)
		1488	s/(?<=\S)\n(?=\w)/ /g;
		1489
		1490	# compress some whitespace
		1491	s/\s+\n/\n/g; # ws line-ends
		1492	s/\n\n+/\n/g; # double lines
		1493	s/^\n+//; # beginning lines
		1494	s/\n+$//; # ending lines
		1495
		1496	$_
		1497	}
		1498
		1499	sub hintmode {
		1500	$_[0]{hintmode} = $_[1] if @_ > 1;
		1501	$_[0]{hintmode}
		1502	}
		1503
1191	=item $player->ext_reply ($msgid, %msg)	1504	=item $player->ext_reply ($msgid, @msg)
1192		1505
1193	Sends an ext reply to the player.	1506	Sends an ext reply to the player.
1194		1507
1195	=cut	1508	=cut
1196		1509
1197	sub ext_reply($$%) {	1510	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1511	my ($self, $id, @msg) = @_;
1199		1512
1200	$msg{msgid} = $id;	1513	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1514	}
1204		1515
1205	=item $player->ext_event ($type, %msg)	1516	=item $player->ext_msg ($type, @msg)
1206		1517
1207	Sends an ext event to the client.	1518	Sends an ext event to the client.
1208		1519
1209	=cut	1520	=cut
1210		1521
1211	sub ext_event($$%) {	1522	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1523	my ($self, $type, @msg) = @_;
1213		1524
1214	$self->ns->ext_event ($type, %msg);	1525	$self->ns->ext_msg ($type, @msg);
1215	}	1526	}
1216		1527
1217	=head3 cf::region	1528	=head3 cf::region
1218		1529
1219	=over 4	1530	=over 4
…		…
1222		1533
1223	package cf::region;	1534	package cf::region;
1224		1535
1225	=item cf::region::find_by_path $path	1536	=item cf::region::find_by_path $path
1226		1537
1227	Tries to decuce the probable region for a map knowing only its path.	1538	Tries to decuce the likely region for a map knowing only its path.
1228		1539
1229	=cut	1540	=cut
1230		1541
1231	sub find_by_path($) {	1542	sub find_by_path($) {
1232	my ($path) = @_;	1543	my ($path) = @_;
1233		1544
1234	my ($match, $specificity);	1545	my ($match, $specificity);
1235		1546
1236	for my $region (list) {	1547	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1548	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1549	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1550	if $region->specificity > $specificity;
1240	}	1551	}
1241	}	1552	}
1242		1553
…		…
1306	my ($self, $merge) = @_;	1617	my ($self, $merge) = @_;
1307		1618
1308	# we have to keep some variables in memory intact	1619	# we have to keep some variables in memory intact
1309	local $self->{path};	1620	local $self->{path};
1310	local $self->{load_path};	1621	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1622
1314	$self->SUPER::thawer_merge ($merge);	1623	$self->SUPER::thawer_merge ($merge);
1315	}	1624	}
1316		1625
1317	sub normalise {	1626	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1673	$self->init; # pass $1 etc.
1365	return $self;	1674	return $self;
1366	}	1675	}
1367	}	1676	}
1368		1677
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1678	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1679	()
1371	}	1680	}
1372		1681
1373	sub init {	1682	sub init {
1374	my ($self) = @_;	1683	my ($self) = @_;
…		…
1415	sub change_all_map_light {	1724	sub change_all_map_light {
1416	my ($change) = @_;	1725	my ($change) = @_;
1417		1726
1418	$_->change_map_light ($change)	1727	$_->change_map_light ($change)
1419	for grep $_->outdoor, values %cf::MAP;	1728	for grep $_->outdoor, values %cf::MAP;
		1729	}
		1730
		1731	sub decay_objects {
		1732	my ($self) = @_;
		1733
		1734	return if $self->{deny_reset};
		1735
		1736	$self->do_decay_objects;
1420	}	1737	}
1421		1738
1422	sub unlink_save {	1739	sub unlink_save {
1423	my ($self) = @_;	1740	my ($self) = @_;
1424		1741
…		…
1482	$self->load_header_orig	1799	$self->load_header_orig
1483	or return;	1800	or return;
1484	$self->prepare_orig;	1801	$self->prepare_orig;
1485	}	1802	}
1486		1803
		1804	$self->{deny_reset} = 1
		1805	if $self->no_reset;
		1806
1487	$self->default_region (cf::region::find_by_path $self->{path})	1807	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	1808	unless $self->default_region;
1489		1809
1490	1	1810	1
1491	}	1811	}
…		…
1506	$map->{last_save} = $cf::RUNTIME;	1826	$map->{last_save} = $cf::RUNTIME;
1507		1827
1508	$map->load_header	1828	$map->load_header
1509	or return;	1829	or return;
1510		1830
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	1832	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	1833	#$cf::WAIT_FOR_TICK->wait;
1514	$map->reset;	1834	$map->reset;
1515	undef $guard;	1835	undef $guard;
1516	return find $path;	1836	return find $path;
…		…
1529	local $self->{deny_reset} = 1; # loading can take a long time	1849	local $self->{deny_reset} = 1; # loading can take a long time
1530		1850
1531	my $path = $self->{path};	1851	my $path = $self->{path};
1532		1852
1533	{	1853	{
		1854	my $guard1 = cf::lock_acquire "map_data:$path";
1534	my $guard = cf::lock_acquire "map_load:$path";	1855	my $guard2 = cf::lock_acquire "map_load:$path";
1535		1856
1536	return if $self->in_memory != cf::MAP_SWAPPED;	1857	return if $self->in_memory != cf::MAP_SWAPPED;
1537		1858
1538	$self->in_memory (cf::MAP_LOADING);	1859	$self->in_memory (cf::MAP_LOADING);
1539		1860
1540	$self->alloc;	1861	$self->alloc;
1541		1862
1542	$self->pre_load;	1863	$self->pre_load;
1543	Coro::cede;	1864	cf::cede_to_tick;
1544		1865
1545	$self->_load_objects ($self->{load_path}, 1)	1866	$self->_load_objects ($self->{load_path}, 1)
1546	or return;	1867	or return;
1547		1868
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1869	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
…		…
1554	$self->clear_unique_items;	1875	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	1876	$self->_load_objects ($uniq, 0);
1556	}	1877	}
1557	}	1878	}
1558		1879
1559	Coro::cede;	1880	cf::cede_to_tick;
1560	# now do the right thing for maps	1881	# now do the right thing for maps
1561	$self->link_multipart_objects;	1882	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	1883	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	1884	unless $self->difficulty;
1564	Coro::cede;	1885	cf::cede_to_tick;
1565		1886
1566	unless ($self->{deny_activate}) {	1887	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	1888	$self->decay_objects;
1568	$self->fix_auto_apply;	1889	$self->fix_auto_apply;
1569	$self->update_buttons;	1890	$self->update_buttons;
1570	Coro::cede;	1891	cf::cede_to_tick;
1571	$self->set_darkness_map;	1892	$self->set_darkness_map;
1572	Coro::cede;	1893	cf::cede_to_tick;
1573	$self->activate;	1894	$self->activate;
1574	}	1895	}
		1896
		1897	$self->{last_save} = $cf::RUNTIME;
		1898	$self->last_access ($cf::RUNTIME);
1575		1899
1576	$self->in_memory (cf::MAP_IN_MEMORY);	1900	$self->in_memory (cf::MAP_IN_MEMORY);
1577	}	1901	}
1578		1902
1579	$self->post_load;	1903	$self->post_load;
…		…
1583	my ($self, $ob) = @_;	1907	my ($self, $ob) = @_;
1584		1908
1585	return find "~" . $ob->name . "/" . $self->{path}	1909	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	1910	if $self->per_player;
1587		1911
		1912	# return find "?party/" . $ob->name . "/" . $self->{path}
		1913	# if $self->per_party;
		1914
1588	$self	1915	$self
1589	}	1916	}
1590		1917
1591	# find and load all maps in the 3x3 area around a map	1918	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	1919	sub load_neighbours {
1593	my ($map) = @_;	1920	my ($map) = @_;
1594		1921
1595	my @diag; # diagonal neighbours	1922	my @neigh; # diagonal neighbours
1596		1923
1597	for (0 .. 3) {	1924	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	1925	my $neigh = $map->tile_path ($_)
1599	or next;	1926	or next;
1600	$neigh = find $neigh, $map	1927	$neigh = find $neigh, $map
1601	or next;	1928	or next;
1602	$neigh->load;	1929	$neigh->load;
1603		1930
		1931	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1932	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1933	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	1934	}
1607		1935
1608	for (@diag) {	1936	for (grep defined $_->[0], @neigh) {
		1937	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	1938	my $neigh = find $path, $origin
1610	or next;	1939	or next;
1611	$neigh->load;	1940	$neigh->load;
1612	}	1941	}
1613	}	1942	}
1614		1943
…		…
1619	}	1948	}
1620		1949
1621	sub do_load_sync {	1950	sub do_load_sync {
1622	my ($map) = @_;	1951	my ($map) = @_;
1623		1952
		1953	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1954	if $Coro::current == $Coro::main;
		1955
1624	cf::sync_job { $map->load };	1956	cf::sync_job { $map->load };
1625	}	1957	}
1626		1958
1627	our %MAP_PREFETCH;	1959	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	1960	our $MAP_PREFETCHER = undef;
1629		1961
1630	sub find_async {	1962	sub find_async {
1631	my ($path, $origin) = @_;	1963	my ($path, $origin, $load) = @_;
1632		1964
1633	$path = normalise $path, $origin && $origin->{path};	1965	$path = normalise $path, $origin && $origin->{path};
1634		1966
1635	if (my $map = $cf::MAP{$path}) {	1967	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1968	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1637	}	1969	}
1638		1970
1639	undef $MAP_PREFETCH{$path};	1971	$MAP_PREFETCH{$path} |= $load;
		1972
1640	$MAP_PREFETCHER ||= cf::async {	1973	$MAP_PREFETCHER ||= cf::async {
1641	while (%MAP_PREFETCH) {	1974	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	1975	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	1976	if (my $map = find $k) {
1644	or next;
1645	$map->load;	1977	$map->load if $v;
		1978	}
1646		1979
1647	delete $MAP_PREFETCH{$path};	1980	delete $MAP_PREFETCH{$k};
1648	}	1981	}
1649	}	1982	}
1650	undef $MAP_PREFETCHER;	1983	undef $MAP_PREFETCHER;
1651	};	1984	};
1652	$MAP_PREFETCHER->prio (6);	1985	$MAP_PREFETCHER->prio (6);
…		…
1655	}	1988	}
1656		1989
1657	sub save {	1990	sub save {
1658	my ($self) = @_;	1991	my ($self) = @_;
1659		1992
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;	1993	my $lock = cf::lock_acquire "map_data:$self->{path}";
1661		1994
1662	$self->{last_save} = $cf::RUNTIME;	1995	$self->{last_save} = $cf::RUNTIME;
1663		1996
1664	return unless $self->dirty;	1997	return unless $self->dirty;
1665		1998
…		…
1688	my ($self) = @_;	2021	my ($self) = @_;
1689		2022
1690	# save first because save cedes	2023	# save first because save cedes
1691	$self->save;	2024	$self->save;
1692		2025
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2026	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2027
1695	return if $self->players;	2028	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;	2029	return if $self->in_memory != cf::MAP_IN_MEMORY;
1697	return if $self->{deny_save};	2030	return if $self->{deny_save};
1698		2031
…		…
1702		2035
1703	sub reset_at {	2036	sub reset_at {
1704	my ($self) = @_;	2037	my ($self) = @_;
1705		2038
1706	# TODO: safety, remove and allow resettable per-player maps	2039	# 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};	2040	return 1e99 if $self->{deny_reset};
1709		2041
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2042	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2043	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2044
…		…
1723	my ($self) = @_;	2055	my ($self) = @_;
1724		2056
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2057	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2058
1727	return if $self->players;	2059	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2060
1730	warn "resetting map ", $self->path;#d#	2061	warn "resetting map ", $self->path;
1731		2062
1732	$self->in_memory (cf::MAP_SWAPPED);	2063	$self->in_memory (cf::MAP_SWAPPED);
1733		2064
1734	# need to save uniques path	2065	# need to save uniques path
1735	unless ($self->{deny_save}) {	2066	unless ($self->{deny_save}) {
…		…
1767	$cf::MAP{$self->path} = $self;	2098	$cf::MAP{$self->path} = $self;
1768		2099
1769	$self->reset; # polite request, might not happen	2100	$self->reset; # polite request, might not happen
1770	}	2101	}
1771		2102
		2103	=item $maps = cf::map::tmp_maps
		2104
		2105	Returns an arrayref with all map paths of currently instantiated and saved
		2106	maps. May block.
		2107
		2108	=cut
		2109
		2110	sub tmp_maps() {
		2111	[
		2112	map {
		2113	utf8::decode $_;
		2114	/\.map$/
		2115	? normalise $_
		2116	: ()
		2117	} @{ aio_readdir $TMPDIR or [] }
		2118	]
		2119	}
		2120
		2121	=item $maps = cf::map::random_maps
		2122
		2123	Returns an arrayref with all map paths of currently instantiated and saved
		2124	random maps. May block.
		2125
		2126	=cut
		2127
		2128	sub random_maps() {
		2129	[
		2130	map {
		2131	utf8::decode $_;
		2132	/\.map$/
		2133	? normalise "?random/$_"
		2134	: ()
		2135	} @{ aio_readdir $RANDOMDIR or [] }
		2136	]
		2137	}
		2138
1772	=item cf::map::unique_maps	2139	=item cf::map::unique_maps
1773		2140
1774	Returns an arrayref of paths of all shared maps that have	2141	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2142	instantiated unique items. May block.
1776		2143
1777	=cut	2144	=cut
1778		2145
1779	sub unique_maps() {	2146	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2147	[
1781	or return;	2148	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2149	utf8::decode $_;
1787	next if /\.pst$/;	2150	/\.map$/
1788	next unless /^$PATH_SEP/o;	2151	? normalise $_
1789		2152	: ()
1790	push @paths, cf::map::normalise $_;	2153	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2154	]
1792
1793	\@paths
1794	}	2155	}
1795		2156
1796	package cf;	2157	package cf;
1797		2158
1798	=back	2159	=back
…		…
1844		2205
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2206	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2207
1847	if ($self->{record_replies}) {	2208	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2209	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2210
1849	} else {	2211	} else {
		2212	my $pl = $self->contr;
		2213
		2214	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2215	my $dialog = $pl->{npc_dialog};
		2216	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2217
		2218	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2219	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2220	$self->message ($msg, $flags);
		2221	}
1852	}	2222	}
		2223	}
		2224
		2225	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2226
		2227	=cut
		2228
		2229	sub cf::object::send_msg {
		2230	my $pl = shift->contr
		2231	or return;
		2232	$pl->send_msg (@_);
1853	}	2233	}
1854		2234
1855	=item $player_object->may ("access")	2235	=item $player_object->may ("access")
1856		2236
1857	Returns wether the given player is authorized to access resource "access"	2237	Returns wether the given player is authorized to access resource "access"
…		…
1936	# use -1 or undef as default coordinates, not 0, 0	2316	# use -1 or undef as default coordinates, not 0, 0
1937	($x, $y) = ($map->enter_x, $map->enter_y)	2317	($x, $y) = ($map->enter_x, $map->enter_y)
1938	if $x <=0 && $y <= 0;	2318	if $x <=0 && $y <= 0;
1939		2319
1940	$map->load;	2320	$map->load;
1941	$map->load_diag;	2321	$map->load_neighbours;
1942		2322
1943	return unless $self->contr->active;	2323	return unless $self->contr->active;
1944	$self->activate_recursive;	2324	$self->activate_recursive;
1945		2325
1946	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2326	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1947	$self->enter_map ($map, $x, $y);	2327	$self->enter_map ($map, $x, $y);
1948	}	2328	}
1949		2329
1950	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2330	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1951		2331
1952	Moves the player to the given map-path and coordinates by first freezing	2332	Moves the player to the given map-path and coordinates by first freezing
1953	her, loading and preparing them map, calling the provided $check callback	2333	her, loading and preparing them map, calling the provided $check callback
1954	that has to return the map if sucecssful, and then unfreezes the player on	2334	that has to return the map if sucecssful, and then unfreezes the player on
1955	the new (success) or old (failed) map position.	2335	the new (success) or old (failed) map position. In either case, $done will
		2336	be called at the end of this process.
1956		2337
1957	=cut	2338	=cut
1958		2339
1959	our $GOTOGEN;	2340	our $GOTOGEN;
1960		2341
1961	sub cf::object::player::goto {	2342	sub cf::object::player::goto {
1962	my ($self, $path, $x, $y, $check) = @_;	2343	my ($self, $path, $x, $y, $check, $done) = @_;
1963		2344
1964	# do generation counting so two concurrent goto's will be executed in-order	2345	# do generation counting so two concurrent goto's will be executed in-order
1965	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2346	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1966		2347
1967	$self->enter_link;	2348	$self->enter_link;
…		…
1987		2368
1988	if ($gen == $self->{_goto_generation}) {	2369	if ($gen == $self->{_goto_generation}) {
1989	delete $self->{_goto_generation};	2370	delete $self->{_goto_generation};
1990	$self->leave_link ($map, $x, $y);	2371	$self->leave_link ($map, $x, $y);
1991	}	2372	}
		2373
		2374	$done->() if $done;
1992	})->prio (1);	2375	})->prio (1);
1993	}	2376	}
1994		2377
1995	=item $player_object->enter_exit ($exit_object)	2378	=item $player_object->enter_exit ($exit_object)
1996		2379
…		…
2065	my $hp = $exit->stats->hp;	2448	my $hp = $exit->stats->hp;
2066	my $sp = $exit->stats->sp;	2449	my $sp = $exit->stats->sp;
2067		2450
2068	$self->enter_link;	2451	$self->enter_link;
2069		2452
		2453	# if exit is damned, update players death & WoR home-position
		2454	$self->contr->savebed ($slaying, $hp, $sp)
		2455	if $exit->flag (FLAG_DAMNED);
		2456
2070	(async {	2457	(async {
2071	$self->deactivate_recursive; # just to be sure	2458	$self->deactivate_recursive; # just to be sure
2072	unless (eval {	2459	unless (eval {
2073	$self->goto ($slaying, $hp, $sp);	2460	$self->goto ($slaying, $hp, $sp);
2074		2461
…		…
2101		2488
2102	utf8::encode $text;	2489	utf8::encode $text;
2103	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2490	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2104	}	2491	}
2105		2492
		2493	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2494
		2495	Send a drawinfo or msg packet to the client, formatting the msg for the
		2496	client if neccessary. C<$type> should be a string identifying the type of
		2497	the message, with C<log> being the default. If C<$color> is negative, suppress
		2498	the message unless the client supports the msg packet.
		2499
		2500	=cut
		2501
		2502	sub cf::client::send_msg {
		2503	my ($self, $channel, $msg, $color, @extra) = @_;
		2504
		2505	$msg = $self->pl->expand_cfpod ($msg);
		2506
		2507	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2508
		2509	if (ref $channel) {
		2510	# send meta info to client, if not yet sent
		2511	unless (exists $self->{channel}{$channel->{id}}) {
		2512	$self->{channel}{$channel->{id}} = $channel;
		2513	$self->ext_msg (channel_info => $channel);
		2514	}
		2515
		2516	$channel = $channel->{id};
		2517	}
		2518
		2519	return unless @extra || length $msg;
		2520
		2521	if ($self->can_msg) {
		2522	# default colour, mask it out
		2523	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2524	if $color & cf::NDI_DEF;
		2525
		2526	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2527	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2528	} else {
		2529	if ($color >= 0) {
		2530	# replace some tags by gcfclient-compatible ones
		2531	for ($msg) {
		2532	1 while
		2533	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2534	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2535	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2536	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2537	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2538	}
		2539
		2540	$color &= cf::NDI_COLOR_MASK;
		2541
		2542	utf8::encode $msg;
		2543
		2544	if (0 && $msg =~ /\[/) {
		2545	# COMMAND/INFO
		2546	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2547	} else {
		2548	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2549	$self->send_packet ("drawinfo $color $msg")
		2550	}
		2551	}
		2552	}
		2553	}
		2554
2106	=item $client->ext_event ($type, %msg)	2555	=item $client->ext_msg ($type, @msg)
2107		2556
2108	Sends an exti event to the client.	2557	Sends an ext event to the client.
2109		2558
2110	=cut	2559	=cut
2111		2560
2112	sub cf::client::ext_event($$%) {	2561	sub cf::client::ext_msg($$@) {
2113	my ($self, $type, %msg) = @_;	2562	my ($self, $type, @msg) = @_;
2114		2563
		2564	if ($self->extcmd == 2) {
		2565	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2566	} elsif ($self->extcmd == 1) { # TODO: remove
2115	$msg{msgtype} = "event_$type";	2567	push @msg, msgtype => "event_$type";
2116	$self->send_packet ("ext " . cf::to_json \%msg);	2568	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2569	}
		2570	}
		2571
		2572	=item $client->ext_reply ($msgid, @msg)
		2573
		2574	Sends an ext reply to the client.
		2575
		2576	=cut
		2577
		2578	sub cf::client::ext_reply($$@) {
		2579	my ($self, $id, @msg) = @_;
		2580
		2581	if ($self->extcmd == 2) {
		2582	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2583	} elsif ($self->extcmd == 1) {
		2584	#TODO: version 1, remove
		2585	unshift @msg, msgtype => "reply", msgid => $id;
		2586	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2587	}
2117	}	2588	}
2118		2589
2119	=item $success = $client->query ($flags, "text", \&cb)	2590	=item $success = $client->query ($flags, "text", \&cb)
2120		2591
2121	Queues a query to the client, calling the given callback with	2592	Queues a query to the client, calling the given callback with
2122	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2593	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2123	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2594	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2124		2595
2125	Queries can fail, so check the return code. Or don't, as queries will become	2596	Queries can fail, so check the return code. Or don't, as queries will
2126	reliable at some point in the future.	2597	become reliable at some point in the future.
2127		2598
2128	=cut	2599	=cut
2129		2600
2130	sub cf::client::query {	2601	sub cf::client::query {
2131	my ($self, $flags, $text, $cb) = @_;	2602	my ($self, $flags, $text, $cb) = @_;
…		…
2139	utf8::encode $text;	2610	utf8::encode $text;
2140	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2611	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2141		2612
2142	$self->send_packet ($self->{query_queue}[0][0])	2613	$self->send_packet ($self->{query_queue}[0][0])
2143	if @{ $self->{query_queue} } == 1;	2614	if @{ $self->{query_queue} } == 1;
		2615
		2616	1
2144	}	2617	}
2145		2618
2146	cf::client->attach (	2619	cf::client->attach (
		2620	on_connect => sub {
		2621	my ($ns) = @_;
		2622
		2623	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2624	},
2147	on_reply => sub {	2625	on_reply => sub {
2148	my ($ns, $msg) = @_;	2626	my ($ns, $msg) = @_;
2149		2627
2150	# this weird shuffling is so that direct followup queries	2628	# this weird shuffling is so that direct followup queries
2151	# get handled first	2629	# get handled first
…		…
2163	} else {	2641	} else {
2164	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2642	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2165	}	2643	}
2166	}	2644	}
2167	},	2645	},
		2646	on_exticmd => sub {
		2647	my ($ns, $buf) = @_;
		2648
		2649	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2650
		2651	if (ref $msg) {
		2652	my ($type, $reply, @payload) =
		2653	"ARRAY" eq ref $msg
		2654	? @$msg
		2655	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2656
		2657	my @reply;
		2658
		2659	if (my $cb = $EXTICMD{$type}) {
		2660	@reply = $cb->($ns, @payload);
		2661	}
		2662
		2663	$ns->ext_reply ($reply, @reply)
		2664	if $reply;
		2665
		2666	} else {
		2667	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2668	}
		2669
		2670	cf::override;
		2671	},
2168	);	2672	);
2169		2673
2170	=item $client->async (\&cb)	2674	=item $client->async (\&cb)
2171		2675
2172	Create a new coroutine, running the specified callback. The coroutine will	2676	Create a new coroutine, running the specified callback. The coroutine will
…		…
2213	our $safe = new Safe "safe";	2717	our $safe = new Safe "safe";
2214	our $safe_hole = new Safe::Hole;	2718	our $safe_hole = new Safe::Hole;
2215		2719
2216	$SIG{FPE} = 'IGNORE';	2720	$SIG{FPE} = 'IGNORE';
2217		2721
2218	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2722	$safe->permit_only (Opcode::opset qw(
		2723	:base_core :base_mem :base_orig :base_math
		2724	grepstart grepwhile mapstart mapwhile
		2725	sort time
		2726	));
2219		2727
2220	# here we export the classes and methods available to script code	2728	# here we export the classes and methods available to script code
2221		2729
2222	=pod	2730	=pod
2223		2731
2224	The following functions and methods are available within a safe environment:	2732	The following functions and methods are available within a safe environment:
2225		2733
2226	cf::object contr pay_amount pay_player map	2734	cf::object
		2735	contr pay_amount pay_player map x y force_find force_add
		2736	insert remove name archname title slaying race decrease_ob_nr
		2737
2227	cf::object::player player	2738	cf::object::player
2228	cf::player peaceful	2739	player
2229	cf::map trigger	2740
		2741	cf::player
		2742	peaceful
		2743
		2744	cf::map
		2745	trigger
2230		2746
2231	=cut	2747	=cut
2232		2748
2233	for (	2749	for (
2234	["cf::object" => qw(contr pay_amount pay_player map)],	2750	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2751	insert remove inv name archname title slaying race
		2752	decrease_ob_nr)],
2235	["cf::object::player" => qw(player)],	2753	["cf::object::player" => qw(player)],
2236	["cf::player" => qw(peaceful)],	2754	["cf::player" => qw(peaceful)],
2237	["cf::map" => qw(trigger)],	2755	["cf::map" => qw(trigger)],
2238	) {	2756	) {
2239	no strict 'refs';	2757	no strict 'refs';
…		…
2310	=back	2828	=back
2311		2829
2312	=cut	2830	=cut
2313		2831
2314	#############################################################################	2832	#############################################################################
2315
2316	=head2 EXTENSION DATABASE SUPPORT
2317
2318	Crossfire maintains a very simple database for extension use. It can
2319	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2320	convert to/from binary).
2321
2322	The parameter C<$family> should best start with the name of the extension
2323	using it, it should be unique.
2324
2325	=over 4
2326
2327	=item $value = cf::db_get $family => $key
2328
2329	Returns a single value from the database.
2330
2331	=item cf::db_put $family => $key => $value
2332
2333	Stores the given C<$value> in the family.
2334
2335	=cut
2336
2337	our $DB;
2338
2339	sub db_init {
2340	unless ($DB) {
2341	$DB = BDB::db_create $DB_ENV;
2342
2343	cf::sync_job {
2344	eval {
2345	$DB->set_flags (BDB::CHKSUM);
2346
2347	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2348	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2349	cf::cleanup "db_open(db): $!" if $!;
2350	};
2351	cf::cleanup "db_open(db): $@" if $@;
2352	};
2353	}
2354	}
2355
2356	sub db_get($$) {
2357	my $key = "$_[0]/$_[1]";
2358
2359	cf::sync_job {
2360	BDB::db_get $DB, undef, $key, my $data;
2361
2362	$! ? ()
2363	: $data
2364	}
2365	}
2366
2367	sub db_put($$$) {
2368	BDB::dbreq_pri 4;
2369	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2370	}
2371
2372	=item cf::cache $id => [$paths...], $processversion => $process
2373
2374	Generic caching function that returns the value of the resource $id,
2375	caching and regenerating as required.
2376
2377	This function can block.
2378
2379	=cut
2380
2381	sub cache {
2382	my ($id, $src, $processversion, $process) = @_;
2383
2384	my $meta =
2385	join "\x00",
2386	$processversion,
2387	map {
2388	aio_stat $_
2389	and Carp::croak "$_: $!";
2390
2391	($_, (stat _)[7,9])
2392	} @$src;
2393
2394	my $dbmeta = db_get cache => "$id/meta";
2395	if ($dbmeta ne $meta) {
2396	# changed, we may need to process
2397
2398	my @data;
2399	my $md5;
2400
2401	for (0 .. $#$src) {
2402	0 <= aio_load $src->[$_], $data[$_]
2403	or Carp::croak "$src->[$_]: $!";
2404	}
2405
2406	# if processing is expensive, check
2407	# checksum first
2408	if (1) {
2409	$md5 =
2410	join "\x00",
2411	$processversion,
2412	map {
2413	Coro::cede;
2414	($src->[$_], Digest::MD5::md5_hex $data[$_])
2415	} 0.. $#$src;
2416
2417
2418	my $dbmd5 = db_get cache => "$id/md5";
2419	if ($dbmd5 eq $md5) {
2420	db_put cache => "$id/meta", $meta;
2421
2422	return db_get cache => "$id/data";
2423	}
2424	}
2425
2426	my $t1 = Time::HiRes::time;
2427	my $data = $process->(\@data);
2428	my $t2 = Time::HiRes::time;
2429
2430	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2431
2432	db_put cache => "$id/data", $data;
2433	db_put cache => "$id/md5" , $md5;
2434	db_put cache => "$id/meta", $meta;
2435
2436	return $data;
2437	}
2438
2439	db_get cache => "$id/data"
2440	}
2441
2442	=item fork_call { }, $args
2443
2444	Executes the given code block with the given arguments in a seperate
2445	process, returning the results. Everything must be serialisable with
2446	Coro::Storable. May, of course, block. Note that the executed sub may
2447	never block itself or use any form of Event handling.
2448
2449	=cut
2450
2451	sub fork_call(&@) {
2452	my ($cb, @args) = @_;
2453
2454	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2455	# or die "socketpair: $!";
2456	pipe my $fh1, my $fh2
2457	or die "pipe: $!";
2458
2459	if (my $pid = fork) {
2460	close $fh2;
2461
2462	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2463	$res = Coro::Storable::thaw $res;
2464
2465	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2466
2467	die $$res unless "ARRAY" eq ref $res;
2468
2469	return wantarray ? @$res : $res->[-1];
2470	} else {
2471	reset_signals;
2472	local $SIG{__WARN__};
2473	local $SIG{__DIE__};
2474	eval {
2475	close $fh1;
2476
2477	my @res = eval { $cb->(@args) };
2478	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2479	};
2480
2481	warn $@ if $@;
2482	_exit 0;
2483	}
2484	}
2485
2486
2487
2488	#############################################################################
2489	# the server's init and main functions	2833	# the server's init and main functions
2490		2834
2491	sub load_facedata($) {	2835	sub load_facedata($) {
2492	my ($path) = @_;	2836	my ($path) = @_;
		2837
		2838	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2493		2839
2494	warn "loading facedata from $path\n";	2840	warn "loading facedata from $path\n";
2495		2841
2496	my $facedata;	2842	my $facedata;
2497	0 < aio_load $path, $facedata	2843	0 < aio_load $path, $facedata
…		…
2500	$facedata = Coro::Storable::thaw $facedata;	2846	$facedata = Coro::Storable::thaw $facedata;
2501		2847
2502	$facedata->{version} == 2	2848	$facedata->{version} == 2
2503	or cf::cleanup "$path: version mismatch, cannot proceed.";	2849	or cf::cleanup "$path: version mismatch, cannot proceed.";
2504		2850
		2851	# patch in the exptable
		2852	$facedata->{resource}{"res/exp_table"} = {
		2853	type => FT_RSRC,
		2854	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2855	};
		2856	cf::cede_to_tick;
		2857
2505	{	2858	{
2506	my $faces = $facedata->{faceinfo};	2859	my $faces = $facedata->{faceinfo};
2507		2860
2508	while (my ($face, $info) = each %$faces) {	2861	while (my ($face, $info) = each %$faces) {
2509	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2862	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2510	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2863	cf::face::set_visibility $idx, $info->{visibility};
		2864	cf::face::set_magicmap $idx, $info->{magicmap};
2511	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2865	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2512	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2866	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2513	Coro::cede;	2867
		2868	cf::cede_to_tick;
2514	}	2869	}
2515		2870
2516	while (my ($face, $info) = each %$faces) {	2871	while (my ($face, $info) = each %$faces) {
2517	next unless $info->{smooth};	2872	next unless $info->{smooth};
2518	my $idx = cf::face::find $face	2873	my $idx = cf::face::find $face
2519	or next;	2874	or next;
2520	if (my $smooth = cf::face::find $info->{smooth}) {	2875	if (my $smooth = cf::face::find $info->{smooth}) {
		2876	cf::face::set_smooth $idx, $smooth;
2521	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2877	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2522	} else {	2878	} else {
2523	warn "smooth face '$info->{smooth}' not found for face '$face'";	2879	warn "smooth face '$info->{smooth}' not found for face '$face'";
2524	}	2880	}
2525	Coro::cede;	2881
		2882	cf::cede_to_tick;
2526	}	2883	}
2527	}	2884	}
2528		2885
2529	{	2886	{
2530	my $anims = $facedata->{animinfo};	2887	my $anims = $facedata->{animinfo};
2531		2888
2532	while (my ($anim, $info) = each %$anims) {	2889	while (my ($anim, $info) = each %$anims) {
2533	cf::anim::set $anim, $info->{frames}, $info->{facings};	2890	cf::anim::set $anim, $info->{frames}, $info->{facings};
2534	Coro::cede;	2891	cf::cede_to_tick;
2535	}	2892	}
2536		2893
2537	cf::anim::invalidate_all; # d'oh	2894	cf::anim::invalidate_all; # d'oh
2538	}	2895	}
2539		2896
		2897	{
		2898	# TODO: for gcfclient pleasure, we should give resources
		2899	# that gcfclient doesn't grok a >10000 face index.
		2900	my $res = $facedata->{resource};
		2901
		2902	my $soundconf = delete $res->{"res/sound.conf"};
		2903
		2904	while (my ($name, $info) = each %$res) {
		2905	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2906	my $data;
		2907
		2908	if ($info->{type} & 1) {
		2909	# prepend meta info
		2910
		2911	my $meta = $enc->encode ({
		2912	name => $name,
		2913	%{ $info->{meta} || {} },
		2914	});
		2915
		2916	$data = pack "(w/a*)*", $meta, $info->{data};
		2917	} else {
		2918	$data = $info->{data};
		2919	}
		2920
		2921	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2922	cf::face::set_type $idx, $info->{type};
		2923
		2924	cf::cede_to_tick;
		2925	}
		2926
		2927	if ($soundconf) {
		2928	$soundconf = $enc->decode (delete $soundconf->{data});
		2929
		2930	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2931	my $sound = $soundconf->{compat}[$_]
		2932	or next;
		2933
		2934	my $face = cf::face::find "sound/$sound->[1]";
		2935	cf::sound::set $sound->[0] => $face;
		2936	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2937	}
		2938
		2939	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2940	my $face = cf::face::find "sound/$v";
		2941	cf::sound::set $k => $face;
		2942	}
		2943	}
		2944	}
		2945
2540	1	2946	1
2541	}	2947	}
		2948
		2949	register_exticmd fx_want => sub {
		2950	my ($ns, $want) = @_;
		2951
		2952	while (my ($k, $v) = each %$want) {
		2953	$ns->fx_want ($k, $v);
		2954	}
		2955	};
2542		2956
2543	sub reload_regions {	2957	sub reload_regions {
2544	load_resource_file "$MAPDIR/regions"	2958	load_resource_file "$MAPDIR/regions"
2545	or die "unable to load regions file\n";	2959	or die "unable to load regions file\n";
		2960
		2961	for (cf::region::list) {
		2962	$_->{match} = qr/$_->{match}/
		2963	if exists $_->{match};
		2964	}
2546	}	2965	}
2547		2966
2548	sub reload_facedata {	2967	sub reload_facedata {
2549	load_facedata "$DATADIR/facedata"	2968	load_facedata "$DATADIR/facedata"
2550	or die "unable to load facedata\n";	2969	or die "unable to load facedata\n";
2551	}	2970	}
2552		2971
2553	sub reload_archetypes {	2972	sub reload_archetypes {
2554	load_resource_file "$DATADIR/archetypes"	2973	load_resource_file "$DATADIR/archetypes"
2555	or die "unable to load archetypes\n";	2974	or die "unable to load archetypes\n";
		2975	#d# NEED to laod twice to resolve forward references
		2976	# this really needs to be done in an extra post-pass
		2977	# (which needs to be synchronous, so solve it differently)
		2978	load_resource_file "$DATADIR/archetypes"
		2979	or die "unable to load archetypes\n";
2556	}	2980	}
2557		2981
2558	sub reload_treasures {	2982	sub reload_treasures {
2559	load_resource_file "$DATADIR/treasures"	2983	load_resource_file "$DATADIR/treasures"
2560	or die "unable to load treasurelists\n";	2984	or die "unable to load treasurelists\n";
…		…
2563	sub reload_resources {	2987	sub reload_resources {
2564	warn "reloading resource files...\n";	2988	warn "reloading resource files...\n";
2565		2989
2566	reload_regions;	2990	reload_regions;
2567	reload_facedata;	2991	reload_facedata;
		2992	#reload_archetypes;#d#
2568	reload_archetypes;	2993	reload_archetypes;
2569	reload_treasures;	2994	reload_treasures;
2570		2995
2571	warn "finished reloading resource files\n";	2996	warn "finished reloading resource files\n";
2572	}	2997	}
2573		2998
2574	sub init {	2999	sub init {
2575	reload_resources;	3000	reload_resources;
2576	}	3001	}
2577		3002
2578	sub cfg_load {	3003	sub reload_config {
2579	open my $fh, "<:utf8", "$CONFDIR/config"	3004	open my $fh, "<:utf8", "$CONFDIR/config"
2580	or return;	3005	or return;
2581		3006
2582	local $/;	3007	local $/;
2583	*CFG = YAML::Syck::Load <$fh>;	3008	*CFG = YAML::Syck::Load <$fh>;
…		…
2603	(async {	3028	(async {
2604	Event::one_event;	3029	Event::one_event;
2605	})->prio (Coro::PRIO_MAX);	3030	})->prio (Coro::PRIO_MAX);
2606	};	3031	};
2607		3032
2608	cfg_load;	3033	reload_config;
2609	db_init;	3034	db_init;
2610	load_extensions;	3035	load_extensions;
2611		3036
2612	$TICK_WATCHER->start;	3037	$TICK_WATCHER->start;
2613	Event::loop;	3038	Event::loop;
…		…
2629	},	3054	},
2630	);	3055	);
2631	}	3056	}
2632	}	3057	}
2633		3058
		3059	sub write_runtime {
		3060	my $runtime = "$LOCALDIR/runtime";
		3061
		3062	# first touch the runtime file to show we are still running:
		3063	# the fsync below can take a very very long time.
		3064
		3065	IO::AIO::aio_utime $runtime, undef, undef;
		3066
		3067	my $guard = cf::lock_acquire "write_runtime";
		3068
		3069	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3070	or return;
		3071
		3072	my $value = $cf::RUNTIME + 90 + 10;
		3073	# 10 is the runtime save interval, for a monotonic clock
		3074	# 60 allows for the watchdog to kill the server.
		3075
		3076	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3077	and return;
		3078
		3079	# always fsync - this file is important
		3080	aio_fsync $fh
		3081	and return;
		3082
		3083	# touch it again to show we are up-to-date
		3084	aio_utime $fh, undef, undef;
		3085
		3086	close $fh
		3087	or return;
		3088
		3089	aio_rename "$runtime~", $runtime
		3090	and return;
		3091
		3092	warn "runtime file written.\n";
		3093
		3094	1
		3095	}
		3096
2634	sub emergency_save() {	3097	sub emergency_save() {
2635	my $freeze_guard = cf::freeze_mainloop;	3098	my $freeze_guard = cf::freeze_mainloop;
2636		3099
2637	warn "enter emergency perl save\n";	3100	warn "enter emergency perl save\n";
2638		3101
…		…
2713	%EXT_CORO = ();	3176	%EXT_CORO = ();
2714		3177
2715	warn "removing commands";	3178	warn "removing commands";
2716	%COMMAND = ();	3179	%COMMAND = ();
2717		3180
2718	warn "removing ext commands";	3181	warn "removing ext/exti commands";
2719	%EXTCMD = ();	3182	%EXTCMD = ();
		3183	%EXTICMD = ();
2720		3184
2721	warn "unloading/nuking all extensions";	3185	warn "unloading/nuking all extensions";
2722	for my $pkg (@EXTS) {	3186	for my $pkg (@EXTS) {
2723	warn "... unloading $pkg";	3187	warn "... unloading $pkg";
2724		3188
…		…
2767	warn "reloading cf.pm";	3231	warn "reloading cf.pm";
2768	require cf;	3232	require cf;
2769	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3233	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2770		3234
2771	warn "loading config and database again";	3235	warn "loading config and database again";
2772	cf::cfg_load;	3236	cf::reload_config;
2773		3237
2774	warn "loading extensions";	3238	warn "loading extensions";
2775	cf::load_extensions;	3239	cf::load_extensions;
2776		3240
2777	warn "reattaching attachments to objects/players";	3241	warn "reattaching attachments to objects/players";

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