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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.269 by root, Tue May 22 21:35:26 2007 UTC vs.
Revision 1.352 by root, Sun Sep 2 04:57:14 2007 UTC

…		…
10	use Event;	10	use Event;
11	use Opcode;	11	use Opcode;
12	use Safe;	12	use Safe;
13	use Safe::Hole;	13	use Safe::Hole;
14		14
15	use Coro 3.61 ();	15	use Coro 3.64 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::Event;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
23	use Coro::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
24		25
		26	use JSON::XS ();
25	use BDB ();	27	use BDB ();
26	use Data::Dumper;	28	use Data::Dumper;
27	use Digest::MD5;	29	use Digest::MD5;
28	use Fcntl;	30	use Fcntl;
29	use YAML::Syck ();	31	use YAML::Syck ();
30	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
31	use Time::HiRes;	33	use Time::HiRes;
32	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
33		36
34	# configure various modules to our taste	37	# configure various modules to our taste
35	#	38	#
36	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
…		…
49	our %COMMAND = ();	52	our %COMMAND = ();
50	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
51		54
52	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
56		60
57	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
58	our @EVENT;	62	our @EVENT;
…		…
164		168
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	170	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
		178
169	=back	179	=back
170		180
171	=cut	181	=cut
172		182
173	BEGIN {	183	BEGIN {
…		…
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		204
194	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	206	# within the Safe compartment.
196	for my $pkg (qw(	207	for my $pkg (qw(
197	cf::global cf::attachable	208	cf::global cf::attachable
…		…
205	}	216	}
206		217
207	$Event::DIED = sub {	218	$Event::DIED = sub {
208	warn "error in event callback: @_";	219	warn "error in event callback: @_";
209	};	220	};
		221
		222	#############################################################################
210		223
211	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
212		225
213	=over 4	226	=over 4
214		227
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	247	$d
235	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
236	}	249	}
237		250
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
241		252
242	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
243		254
244	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
245		256
246	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
		258
		259	=cut
		260
		261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		262
		263	sub to_json ($) { $json_coder->encode ($_[0]) }
		264	sub from_json ($) { $json_coder->decode ($_[0]) }
247		265
248	=item cf::lock_wait $string	266	=item cf::lock_wait $string
249		267
250	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
251		269
…		…
253		271
254	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
255	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
256	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
257	returned.	275	returned.
		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
258		279
259	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
261		282
262	=item $locked = cf::lock_active $string	283	=item $locked = cf::lock_active $string
…		…
305	};	326	};
306	$TICK_WATCHER->stop;	327	$TICK_WATCHER->stop;
307	$guard	328	$guard
308	}	329	}
309		330
		331	=item cf::get_slot $time[, $priority[, $name]]
		332
		333	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		334	This call blocks and returns only when you have at least C<$time> seconds
		335	of cpu time till the next tick. The slot is only valid till the next cede.
		336
		337	The optional C<$name> can be used to identify the job to run. It might be
		338	used for statistical purposes and should identify the same time-class.
		339
		340	Useful for short background jobs.
		341
		342	=cut
		343
		344	our @SLOT_QUEUE;
		345	our $SLOT_QUEUE;
		346
		347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		348	$SLOT_QUEUE = Coro::async {
		349	my $signal = new Coro::Signal;
		350
		351	while () {
		352	next_job:
		353	my $avail = cf::till_tick;
		354	if ($avail > 0.01) {
		355	for (0 .. $#SLOT_QUEUE) {
		356	if ($SLOT_QUEUE[$_][0] < $avail) {
		357	my $job = splice @SLOT_QUEUE, $_, 1, ();
		358	$job->[2]->send;
		359	Coro::cede;
		360	goto next_job;
		361	}
		362	}
		363	}
		364
		365	if (@SLOT_QUEUE) {
		366	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		367	push @cf::WAIT_FOR_TICK, $signal;
		368	$signal->wait;
		369	} else {
		370	Coro::schedule;
		371	}
		372	}
		373	};
		374
		375	sub get_slot($;$$) {
		376	my ($time, $pri, $name) = @_;
		377
		378	$time = $TICK * .6 if $time > $TICK * .6;
		379	my $sig = new Coro::Signal;
		380
		381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		383	$SLOT_QUEUE->ready;
		384	$sig->wait;
		385	}
		386
310	=item cf::async { BLOCK }	387	=item cf::async { BLOCK }
311		388
312	Currently the same as Coro::async_pool, meaning you cannot use	389	Currently the same as Coro::async_pool, meaning you cannot use
313	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	390	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
314	thing you are allowed to do is call C<prio> on it.	391	thing you are allowed to do is call C<prio> on it.
…		…
317		394
318	BEGIN { *async = \&Coro::async_pool }	395	BEGIN { *async = \&Coro::async_pool }
319		396
320	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
321		398
322	The design of crossfire+ requires that the main coro ($Coro::main) is	399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	400	is always able to handle events or runnable, as Crossfire TRT is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		402	acceptable.
325		403
326	If it must be done, put the blocking parts into C<sync_job>. This will run	404	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	405	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	406	server will be frozen during this time, so the block should either finish
329	fast or be very important.	407	fast or be very important.
…		…
389	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
390		468
391	$coro	469	$coro
392	}	470	}
393		471
394	sub write_runtime {	472	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		473
397	# first touch the runtime file to show we are still running:	474	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	475	process, returning the results. Everything must be serialisable with
		476	Coro::Storable. May, of course, block. Note that the executed sub may
		477	never block itself or use any form of Event handling.
399		478
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	479	=cut
401	utime undef, undef, $fh;
402	}
403		480
404	my $guard = cf::lock_acquire "write_runtime";	481	sub fork_call(&@) {
		482	my ($cb, @args) = @_;
405		483
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	484	# we seemingly have to make a local copy of the whole thing,
407	or return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (liekly this will be rather laborious)
408		487
409	my $value = $cf::RUNTIME + 90 + 10;	488	my @res = Coro::Util::fork_eval {
410	# 10 is the runtime save interval, for a monotonic clock	489	reset_signals;
411	# 60 allows for the watchdog to kill the server.	490	&$cb
		491	}, @args;
412		492
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	493	wantarray ? @res : $res[-1]
414	and return;	494	}
415		495
416	# always fsync - this file is important	496	=item $value = cf::db_get $family => $key
417	aio_fsync $fh
418	and return;
419		497
420	# touch it again to show we are up-to-date	498	Returns a single value from the environment database.
421	utime undef, undef, $fh;
422		499
423	close $fh	500	=item cf::db_put $family => $key => $value
424	or return;
425		501
426	aio_rename "$runtime~", $runtime	502	Stores the given C<$value> in the family. It can currently store binary
427	and return;	503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
428		504
429	warn "runtime file written.\n";#d#	505	=cut
430		506
		507	our $DB;
		508
		509	sub db_init {
		510	unless ($DB) {
		511	$DB = BDB::db_create $DB_ENV;
		512
		513	cf::sync_job {
		514	eval {
		515	$DB->set_flags (BDB::CHKSUM);
		516
		517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		519	cf::cleanup "db_open(db): $!" if $!;
		520	};
		521	cf::cleanup "db_open(db): $@" if $@;
		522	};
431	1	523	}
		524	}
		525
		526	sub db_get($$) {
		527	my $key = "$_[0]/$_[1]";
		528
		529	cf::sync_job {
		530	BDB::db_get $DB, undef, $key, my $data;
		531
		532	$! ? ()
		533	: $data
		534	}
		535	}
		536
		537	sub db_put($$$) {
		538	BDB::dbreq_pri 4;
		539	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		540	}
		541
		542	=item cf::cache $id => [$paths...], $processversion => $process
		543
		544	Generic caching function that returns the value of the resource $id,
		545	caching and regenerating as required.
		546
		547	This function can block.
		548
		549	=cut
		550
		551	sub cache {
		552	my ($id, $src, $processversion, $process) = @_;
		553
		554	my $meta =
		555	join "\x00",
		556	$processversion,
		557	map {
		558	aio_stat $_
		559	and Carp::croak "$_: $!";
		560
		561	($_, (stat _)[7,9])
		562	} @$src;
		563
		564	my $dbmeta = db_get cache => "$id/meta";
		565	if ($dbmeta ne $meta) {
		566	# changed, we may need to process
		567
		568	my @data;
		569	my $md5;
		570
		571	for (0 .. $#$src) {
		572	0 <= aio_load $src->[$_], $data[$_]
		573	or Carp::croak "$src->[$_]: $!";
		574	}
		575
		576	# if processing is expensive, check
		577	# checksum first
		578	if (1) {
		579	$md5 =
		580	join "\x00",
		581	$processversion,
		582	map {
		583	cf::cede_to_tick;
		584	($src->[$_], Digest::MD5::md5_hex $data[$_])
		585	} 0.. $#$src;
		586
		587
		588	my $dbmd5 = db_get cache => "$id/md5";
		589	if ($dbmd5 eq $md5) {
		590	db_put cache => "$id/meta", $meta;
		591
		592	return db_get cache => "$id/data";
		593	}
		594	}
		595
		596	my $t1 = Time::HiRes::time;
		597	my $data = $process->(\@data);
		598	my $t2 = Time::HiRes::time;
		599
		600	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		601
		602	db_put cache => "$id/data", $data;
		603	db_put cache => "$id/md5" , $md5;
		604	db_put cache => "$id/meta", $meta;
		605
		606	return $data;
		607	}
		608
		609	db_get cache => "$id/data"
432	}	610	}
433		611
434	=item cf::datalog type => key => value, ...	612	=item cf::datalog type => key => value, ...
435		613
436	Log a datalog packet of the given type with the given key-value pairs.	614	Log a datalog packet of the given type with the given key-value pairs.
…		…
454	attach callbacks/event handlers (a collection of which is called an "attachment")	632	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
456		634
457	In the following description, CLASS can be any of C<global>, C<object>	635	In the following description, CLASS can be any of C<global>, C<object>
458	C<player>, C<client> or C<map> (i.e. the attachable objects in	636	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	637	Crossfire TRT).
460		638
461	=over 4	639	=over 4
462		640
463	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
464		642
…		…
666	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
667	}	845	}
668		846
669	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
670	} else {	848	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	850	}
673		851
674	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
675	}	853	}
676		854
…		…
716	";	894	";
717	die if $@;	895	die if $@;
718	}	896	}
719		897
720	our $override;	898	our $override;
721	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	899	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
722		900
723	sub override {	901	sub override {
724	$override = 1;	902	$override = 1;
725	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
726	}	904	}
727		905
728	sub do_invoke {	906	sub do_invoke {
729	my $event = shift;	907	my $event = shift;
730	my $callbacks = shift;	908	my $callbacks = shift;
731		909
732	@invoke_results = ();	910	@INVOKE_RESULTS = ();
733		911
734	local $override;	912	local $override;
735		913
736	for (@$callbacks) {	914	for (@$callbacks) {
737	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
754		932
755	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
756		934
757	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	935	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
758	removed in future versions), and there is no public API to access override	936	removed in future versions), and there is no public API to access override
759	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		938
761	=back	939	=back
762		940
763	=cut	941	=cut
764		942
765	#############################################################################	943	#############################################################################
766	# object support	944	# object support
		945	#
		946
		947	sub _can_merge {
		948	my ($ob1, $ob2) = @_;
		949
		950	local $Storable::canonical = 1;
		951	my $fob1 = Storable::freeze $ob1;
		952	my $fob2 = Storable::freeze $ob2;
		953
		954	$fob1 eq $fob2
		955	}
767		956
768	sub reattach {	957	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	959	my ($obj) = @_;
771		960
…		…
874	or return;	1063	or return;
875	$av = eval { (Storable::thaw $av)->{objs} };	1064	$av = eval { (Storable::thaw $av)->{objs} };
876	}	1065	}
877		1066
878	warn sprintf "loading %s (%d)\n",	1067	warn sprintf "loading %s (%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1068	$filename, length $data, scalar @{$av || []};
880	return ($data, $av);	1069	return ($data, $av);
881	}	1070	}
		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
882		1077
883	#############################################################################	1078	#############################################################################
884	# command handling &c	1079	# command handling &c
885		1080
886	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1095	}
901		1096
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1098
904	Register a callbackf ro execution when the client sends an extcmd packet.	1099	Register a callback for execution when the client sends an (synchronous)
		1100	extcmd packet. Ext commands will be processed in the order they are
		1101	received by the server, like other user commands. The first argument is
		1102	the logged-in player. Ext commands can only be processed after a player
		1103	has logged in successfully.
905		1104
906	If the callback returns something, it is sent back as if reply was being	1105	If the callback returns something, it is sent back as if reply was being
907	called.	1106	called.
908		1107
		1108	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1109
		1110	Register a callback for execution when the client sends an (asynchronous)
		1111	exticmd packet. Exti commands are processed by the server as soon as they
		1112	are received, i.e. out of order w.r.t. other commands. The first argument
		1113	is a client socket. Exti commands can be received anytime, even before
		1114	log-in.
		1115
		1116	If the callback returns something, it is sent back as if reply was being
		1117	called.
		1118
909	=cut	1119	=cut
910		1120
911	sub register_extcmd {	1121	sub register_extcmd {
912	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
913		1123
914	$EXTCMD{$name} = $cb;	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
915	}	1131	}
916		1132
917	cf::player->attach (	1133	cf::player->attach (
918	on_command => sub {	1134	on_command => sub {
919	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
928	cf::override;	1144	cf::override;
929	},	1145	},
930	on_extcmd => sub {	1146	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
932		1148
933	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1150
935	if (ref $msg) {	1151	if (ref $msg) {
		1152	my ($type, $reply, @payload) =
		1153	"ARRAY" eq ref $msg
		1154	? @$msg
		1155	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1156
		1157	my @reply;
		1158
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
941	} else {	1166	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1168	}
944		1169
945	cf::override;	1170	cf::override;
946	},	1171	},
947	);	1172	);
948		1173
949	sub load_extension {
950	my ($path) = @_;
951
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
953	my $base = $1;
954	my $pkg = $1;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}
977	die $@;
978	}
979
980	push @EXTS, $pkg;
981	}
982
983	sub load_extensions {	1174	sub load_extensions {
		1175	cf::sync_job {
		1176	my %todo;
		1177
984	for my $ext (<$LIBDIR/*.ext>) {	1178	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1179	next unless -r $path;
986	eval {	1180
987	load_extension $ext;	1181	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1182	my $base = $1;
		1183	my $pkg = $1;
		1184	$pkg =~ s/[^[:word:]]/_/g;
		1185	$pkg = "ext::$pkg";
		1186
		1187	open my $fh, "<:utf8", $path
		1188	or die "$path: $!";
		1189
		1190	my $source = do { local $/; <$fh> };
		1191
		1192	my %ext = (
		1193	path => $path,
		1194	base => $base,
		1195	pkg => $pkg,
		1196	);
		1197
		1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1200
		1201	$ext{source} =
		1202	"package $pkg; use strict; use utf8;\n"
		1203	. "#line 1 \"$path\"\n{\n"
		1204	. $source
		1205	. "\n};\n1";
		1206
		1207	$todo{$base} = \%ext;
		1208	}
		1209
		1210	my %done;
		1211	while (%todo) {
		1212	my $progress;
		1213
		1214	while (my ($k, $v) = each %todo) {
		1215	for (split /,\s*/, $v->{meta}{depends}) {
		1216	goto skip
		1217	unless exists $done{$_};
		1218	}
		1219
		1220	warn "... loading '$k' into '$v->{pkg}'\n";
		1221
		1222	unless (eval $v->{source}) {
		1223	my $msg = $@ ? "$v->{path}: $@\n"
		1224	: "$v->{base}: extension inactive.\n";
		1225
		1226	if (exists $v->{meta}{mandatory}) {
		1227	warn $msg;
		1228	warn "mandatory extension failed to load, exiting.\n";
		1229	exit 1;
		1230	}
		1231
		1232	warn $msg;
		1233	}
		1234
		1235	$done{$k} = delete $todo{$k};
		1236	push @EXTS, $v->{pkg};
		1237	$progress = 1;
988	1	1238	}
989	} or warn "$ext not loaded: $@";	1239
		1240	skip:
		1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1242	unless $progress;
		1243	}
990	}	1244	};
991	}	1245	}
992		1246
993	#############################################################################	1247	#############################################################################
		1248
		1249	=back
994		1250
995	=head2 CORE EXTENSIONS	1251	=head2 CORE EXTENSIONS
996		1252
997	Functions and methods that extend core crossfire objects.	1253	Functions and methods that extend core crossfire objects.
998		1254
…		…
1069		1325
1070	aio_mkdir playerdir $pl, 0770;	1326	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1327	$pl->{last_save} = $cf::RUNTIME;
1072		1328
1073	$pl->save_pl ($path);	1329	$pl->save_pl ($path);
1074	Coro::cede;	1330	cf::cede_to_tick;
1075	}	1331	}
1076		1332
1077	sub new($) {	1333	sub new($) {
1078	my ($login) = @_;	1334	my ($login) = @_;
1079		1335
…		…
1083	$self->{deny_save} = 1;	1339	$self->{deny_save} = 1;
1084		1340
1085	$cf::PLAYER{$login} = $self;	1341	$cf::PLAYER{$login} = $self;
1086		1342
1087	$self	1343	$self
		1344	}
		1345
		1346	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1347
		1348	=cut
		1349
		1350	sub send_msg {
		1351	my $ns = shift->ns
		1352	or return;
		1353	$ns->send_msg (@_);
1088	}	1354	}
1089		1355
1090	=item $pl->quit_character	1356	=item $pl->quit_character
1091		1357
1092	Nukes the player without looking back. If logged in, the connection will	1358	Nukes the player without looking back. If logged in, the connection will
…		…
1186	}	1452	}
1187		1453
1188	\@paths	1454	\@paths
1189	}	1455	}
1190		1456
		1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1458
		1459	Expand crossfire pod fragments into protocol xml.
		1460
		1461	=cut
		1462
		1463	sub expand_cfpod {
		1464	((my $self), (local $_)) = @_;
		1465
		1466	# escape & and <
		1467	s/&/&amp;/g;
		1468	s/(?<![BIUGHT])</&lt;/g;
		1469
		1470	# this is buggy, it needs to properly take care of nested <'s
		1471
		1472	1 while
		1473	# replace B<>, I<>, U<> etc.
		1474	s/B<([^\>]*)>/<b>$1<\/b>/
		1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1477	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1478	# replace G<male|female> tags
		1479	|| s{G<([^>|]*)\|([^>]*)>}{
		1480	$self->gender ? $2 : $1
		1481	}ge
		1482	# replace H<hint text>
		1483	|| s{H<([^\>]*)>}
		1484	{
		1485	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1486	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1487	"")
		1488	[$self->{hintmode}]
		1489	}ge;
		1490
		1491	# create single paragraphs (very hackish)
		1492	s/(?<=\S)\n(?=\w)/ /g;
		1493
		1494	# compress some whitespace
		1495	s/\s+\n/\n/g; # ws line-ends
		1496	s/\n\n+/\n/g; # double lines
		1497	s/^\n+//; # beginning lines
		1498	s/\n+$//; # ending lines
		1499
		1500	$_
		1501	}
		1502
		1503	sub hintmode {
		1504	$_[0]{hintmode} = $_[1] if @_ > 1;
		1505	$_[0]{hintmode}
		1506	}
		1507
1191	=item $player->ext_reply ($msgid, %msg)	1508	=item $player->ext_reply ($msgid, @msg)
1192		1509
1193	Sends an ext reply to the player.	1510	Sends an ext reply to the player.
1194		1511
1195	=cut	1512	=cut
1196		1513
1197	sub ext_reply($$%) {	1514	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1515	my ($self, $id, @msg) = @_;
1199		1516
1200	$msg{msgid} = $id;	1517	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1518	}
1204		1519
1205	=item $player->ext_event ($type, %msg)	1520	=item $player->ext_msg ($type, @msg)
1206		1521
1207	Sends an ext event to the client.	1522	Sends an ext event to the client.
1208		1523
1209	=cut	1524	=cut
1210		1525
1211	sub ext_event($$%) {	1526	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1527	my ($self, $type, @msg) = @_;
1213		1528
1214	$self->ns->ext_event ($type, %msg);	1529	$self->ns->ext_msg ($type, @msg);
1215	}	1530	}
1216		1531
1217	=head3 cf::region	1532	=head3 cf::region
1218		1533
1219	=over 4	1534	=over 4
…		…
1222		1537
1223	package cf::region;	1538	package cf::region;
1224		1539
1225	=item cf::region::find_by_path $path	1540	=item cf::region::find_by_path $path
1226		1541
1227	Tries to decuce the probable region for a map knowing only its path.	1542	Tries to decuce the likely region for a map knowing only its path.
1228		1543
1229	=cut	1544	=cut
1230		1545
1231	sub find_by_path($) {	1546	sub find_by_path($) {
1232	my ($path) = @_;	1547	my ($path) = @_;
1233		1548
1234	my ($match, $specificity);	1549	my ($match, $specificity);
1235		1550
1236	for my $region (list) {	1551	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1552	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1553	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1554	if $region->specificity > $specificity;
1240	}	1555	}
1241	}	1556	}
1242		1557
…		…
1306	my ($self, $merge) = @_;	1621	my ($self, $merge) = @_;
1307		1622
1308	# we have to keep some variables in memory intact	1623	# we have to keep some variables in memory intact
1309	local $self->{path};	1624	local $self->{path};
1310	local $self->{load_path};	1625	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1626
1314	$self->SUPER::thawer_merge ($merge);	1627	$self->SUPER::thawer_merge ($merge);
1315	}	1628	}
1316		1629
1317	sub normalise {	1630	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1677	$self->init; # pass $1 etc.
1365	return $self;	1678	return $self;
1366	}	1679	}
1367	}	1680	}
1368		1681
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1682	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1683	()
1371	}	1684	}
1372		1685
1373	sub init {	1686	sub init {
1374	my ($self) = @_;	1687	my ($self) = @_;
…		…
1415	sub change_all_map_light {	1728	sub change_all_map_light {
1416	my ($change) = @_;	1729	my ($change) = @_;
1417		1730
1418	$_->change_map_light ($change)	1731	$_->change_map_light ($change)
1419	for grep $_->outdoor, values %cf::MAP;	1732	for grep $_->outdoor, values %cf::MAP;
		1733	}
		1734
		1735	sub decay_objects {
		1736	my ($self) = @_;
		1737
		1738	return if $self->{deny_reset};
		1739
		1740	$self->do_decay_objects;
1420	}	1741	}
1421		1742
1422	sub unlink_save {	1743	sub unlink_save {
1423	my ($self) = @_;	1744	my ($self) = @_;
1424		1745
…		…
1482	$self->load_header_orig	1803	$self->load_header_orig
1483	or return;	1804	or return;
1484	$self->prepare_orig;	1805	$self->prepare_orig;
1485	}	1806	}
1486		1807
		1808	$self->{deny_reset} = 1
		1809	if $self->no_reset;
		1810
1487	$self->default_region (cf::region::find_by_path $self->{path})	1811	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	1812	unless $self->default_region;
1489		1813
1490	1	1814	1
1491	}	1815	}
…		…
1506	$map->{last_save} = $cf::RUNTIME;	1830	$map->{last_save} = $cf::RUNTIME;
1507		1831
1508	$map->load_header	1832	$map->load_header
1509	or return;	1833	or return;
1510		1834
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1835	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	1836	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	1837	#$cf::WAIT_FOR_TICK->wait;
1514	$map->reset;	1838	$map->reset;
1515	undef $guard;	1839	undef $guard;
1516	return find $path;	1840	return find $path;
…		…
1529	local $self->{deny_reset} = 1; # loading can take a long time	1853	local $self->{deny_reset} = 1; # loading can take a long time
1530		1854
1531	my $path = $self->{path};	1855	my $path = $self->{path};
1532		1856
1533	{	1857	{
		1858	my $guard1 = cf::lock_acquire "map_data:$path";
1534	my $guard = cf::lock_acquire "map_load:$path";	1859	my $guard2 = cf::lock_acquire "map_load:$path";
1535		1860
1536	return if $self->in_memory != cf::MAP_SWAPPED;	1861	return if $self->in_memory != cf::MAP_SWAPPED;
1537		1862
1538	$self->in_memory (cf::MAP_LOADING);	1863	$self->in_memory (cf::MAP_LOADING);
1539		1864
1540	$self->alloc;	1865	$self->alloc;
1541		1866
1542	$self->pre_load;	1867	$self->pre_load;
1543	Coro::cede;	1868	cf::cede_to_tick;
1544		1869
1545	$self->_load_objects ($self->{load_path}, 1)	1870	$self->_load_objects ($self->{load_path}, 1)
1546	or return;	1871	or return;
1547		1872
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1873	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
…		…
1554	$self->clear_unique_items;	1879	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	1880	$self->_load_objects ($uniq, 0);
1556	}	1881	}
1557	}	1882	}
1558		1883
1559	Coro::cede;	1884	cf::cede_to_tick;
1560	# now do the right thing for maps	1885	# now do the right thing for maps
1561	$self->link_multipart_objects;	1886	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	1887	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	1888	unless $self->difficulty;
1564	Coro::cede;	1889	cf::cede_to_tick;
1565		1890
1566	unless ($self->{deny_activate}) {	1891	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	1892	$self->decay_objects;
1568	$self->fix_auto_apply;	1893	$self->fix_auto_apply;
1569	$self->update_buttons;	1894	$self->update_buttons;
1570	Coro::cede;	1895	cf::cede_to_tick;
1571	$self->set_darkness_map;	1896	$self->set_darkness_map;
1572	Coro::cede;	1897	cf::cede_to_tick;
1573	$self->activate;	1898	$self->activate;
1574	}	1899	}
		1900
		1901	$self->{last_save} = $cf::RUNTIME;
		1902	$self->last_access ($cf::RUNTIME);
1575		1903
1576	$self->in_memory (cf::MAP_IN_MEMORY);	1904	$self->in_memory (cf::MAP_IN_MEMORY);
1577	}	1905	}
1578		1906
1579	$self->post_load;	1907	$self->post_load;
…		…
1583	my ($self, $ob) = @_;	1911	my ($self, $ob) = @_;
1584		1912
1585	return find "~" . $ob->name . "/" . $self->{path}	1913	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	1914	if $self->per_player;
1587		1915
		1916	# return find "?party/" . $ob->name . "/" . $self->{path}
		1917	# if $self->per_party;
		1918
1588	$self	1919	$self
1589	}	1920	}
1590		1921
1591	# find and load all maps in the 3x3 area around a map	1922	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	1923	sub load_neighbours {
1593	my ($map) = @_;	1924	my ($map) = @_;
1594		1925
1595	my @diag; # diagonal neighbours	1926	my @neigh; # diagonal neighbours
1596		1927
1597	for (0 .. 3) {	1928	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	1929	my $neigh = $map->tile_path ($_)
1599	or next;	1930	or next;
1600	$neigh = find $neigh, $map	1931	$neigh = find $neigh, $map
1601	or next;	1932	or next;
1602	$neigh->load;	1933	$neigh->load;
1603		1934
		1935	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1936	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1937	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	1938	}
1607		1939
1608	for (@diag) {	1940	for (grep defined $_->[0], @neigh) {
		1941	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	1942	my $neigh = find $path, $origin
1610	or next;	1943	or next;
1611	$neigh->load;	1944	$neigh->load;
1612	}	1945	}
1613	}	1946	}
1614		1947
…		…
1619	}	1952	}
1620		1953
1621	sub do_load_sync {	1954	sub do_load_sync {
1622	my ($map) = @_;	1955	my ($map) = @_;
1623		1956
		1957	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1958	if $Coro::current == $Coro::main;
		1959
1624	cf::sync_job { $map->load };	1960	cf::sync_job { $map->load };
1625	}	1961	}
1626		1962
1627	our %MAP_PREFETCH;	1963	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	1964	our $MAP_PREFETCHER = undef;
1629		1965
1630	sub find_async {	1966	sub find_async {
1631	my ($path, $origin) = @_;	1967	my ($path, $origin, $load) = @_;
1632		1968
1633	$path = normalise $path, $origin && $origin->{path};	1969	$path = normalise $path, $origin && $origin->{path};
1634		1970
1635	if (my $map = $cf::MAP{$path}) {	1971	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1972	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1637	}	1973	}
1638		1974
1639	undef $MAP_PREFETCH{$path};	1975	$MAP_PREFETCH{$path} |= $load;
		1976
1640	$MAP_PREFETCHER ||= cf::async {	1977	$MAP_PREFETCHER ||= cf::async {
1641	while (%MAP_PREFETCH) {	1978	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	1979	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	1980	if (my $map = find $k) {
1644	or next;
1645	$map->load;	1981	$map->load if $v;
		1982	}
1646		1983
1647	delete $MAP_PREFETCH{$path};	1984	delete $MAP_PREFETCH{$k};
1648	}	1985	}
1649	}	1986	}
1650	undef $MAP_PREFETCHER;	1987	undef $MAP_PREFETCHER;
1651	};	1988	};
1652	$MAP_PREFETCHER->prio (6);	1989	$MAP_PREFETCHER->prio (6);
…		…
1655	}	1992	}
1656		1993
1657	sub save {	1994	sub save {
1658	my ($self) = @_;	1995	my ($self) = @_;
1659		1996
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;	1997	my $lock = cf::lock_acquire "map_data:$self->{path}";
1661		1998
1662	$self->{last_save} = $cf::RUNTIME;	1999	$self->{last_save} = $cf::RUNTIME;
1663		2000
1664	return unless $self->dirty;	2001	return unless $self->dirty;
1665		2002
…		…
1688	my ($self) = @_;	2025	my ($self) = @_;
1689		2026
1690	# save first because save cedes	2027	# save first because save cedes
1691	$self->save;	2028	$self->save;
1692		2029
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2030	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2031
1695	return if $self->players;	2032	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;	2033	return if $self->in_memory != cf::MAP_IN_MEMORY;
1697	return if $self->{deny_save};	2034	return if $self->{deny_save};
1698		2035
…		…
1702		2039
1703	sub reset_at {	2040	sub reset_at {
1704	my ($self) = @_;	2041	my ($self) = @_;
1705		2042
1706	# TODO: safety, remove and allow resettable per-player maps	2043	# 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};	2044	return 1e99 if $self->{deny_reset};
1709		2045
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2046	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2047	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2048
…		…
1723	my ($self) = @_;	2059	my ($self) = @_;
1724		2060
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2061	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2062
1727	return if $self->players;	2063	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2064
1730	warn "resetting map ", $self->path;#d#	2065	warn "resetting map ", $self->path;
1731		2066
1732	$self->in_memory (cf::MAP_SWAPPED);	2067	$self->in_memory (cf::MAP_SWAPPED);
1733		2068
1734	# need to save uniques path	2069	# need to save uniques path
1735	unless ($self->{deny_save}) {	2070	unless ($self->{deny_save}) {
…		…
1752	my $nuke_counter = "aaaa";	2087	my $nuke_counter = "aaaa";
1753		2088
1754	sub nuke {	2089	sub nuke {
1755	my ($self) = @_;	2090	my ($self) = @_;
1756		2091
		2092	{
		2093	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2094
1757	delete $cf::MAP{$self->path};	2095	delete $cf::MAP{$self->path};
1758		2096
1759	$self->unlink_save;	2097	$self->unlink_save;
1760		2098
1761	bless $self, "cf::map";	2099	bless $self, "cf::map";
1762	delete $self->{deny_reset};	2100	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2101	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2102	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2103	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2104
1767	$cf::MAP{$self->path} = $self;	2105	$cf::MAP{$self->path} = $self;
		2106	}
1768		2107
1769	$self->reset; # polite request, might not happen	2108	$self->reset; # polite request, might not happen
		2109	}
		2110
		2111	=item $maps = cf::map::tmp_maps
		2112
		2113	Returns an arrayref with all map paths of currently instantiated and saved
		2114	maps. May block.
		2115
		2116	=cut
		2117
		2118	sub tmp_maps() {
		2119	[
		2120	map {
		2121	utf8::decode $_;
		2122	/\.map$/
		2123	? normalise $_
		2124	: ()
		2125	} @{ aio_readdir $TMPDIR or [] }
		2126	]
		2127	}
		2128
		2129	=item $maps = cf::map::random_maps
		2130
		2131	Returns an arrayref with all map paths of currently instantiated and saved
		2132	random maps. May block.
		2133
		2134	=cut
		2135
		2136	sub random_maps() {
		2137	[
		2138	map {
		2139	utf8::decode $_;
		2140	/\.map$/
		2141	? normalise "?random/$_"
		2142	: ()
		2143	} @{ aio_readdir $RANDOMDIR or [] }
		2144	]
1770	}	2145	}
1771		2146
1772	=item cf::map::unique_maps	2147	=item cf::map::unique_maps
1773		2148
1774	Returns an arrayref of paths of all shared maps that have	2149	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2150	instantiated unique items. May block.
1776		2151
1777	=cut	2152	=cut
1778		2153
1779	sub unique_maps() {	2154	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2155	[
1781	or return;	2156	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2157	utf8::decode $_;
1787	next if /\.pst$/;	2158	/\.map$/
1788	next unless /^$PATH_SEP/o;	2159	? normalise $_
1789		2160	: ()
1790	push @paths, cf::map::normalise $_;	2161	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2162	]
1792
1793	\@paths
1794	}	2163	}
1795		2164
1796	package cf;	2165	package cf;
1797		2166
1798	=back	2167	=back
…		…
1844		2213
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2214	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2215
1847	if ($self->{record_replies}) {	2216	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2217	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2218
1849	} else {	2219	} else {
		2220	my $pl = $self->contr;
		2221
		2222	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2223	my $dialog = $pl->{npc_dialog};
		2224	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2225
		2226	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2227	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2228	$self->message ($msg, $flags);
		2229	}
1852	}	2230	}
		2231	}
		2232
		2233	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2234
		2235	=cut
		2236
		2237	sub cf::object::send_msg {
		2238	my $pl = shift->contr
		2239	or return;
		2240	$pl->send_msg (@_);
1853	}	2241	}
1854		2242
1855	=item $player_object->may ("access")	2243	=item $player_object->may ("access")
1856		2244
1857	Returns wether the given player is authorized to access resource "access"	2245	Returns wether the given player is authorized to access resource "access"
…		…
1904	$self->deactivate_recursive;	2292	$self->deactivate_recursive;
1905		2293
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2294	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2295
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2296	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2297	if $self->map && $self->map->{path} ne "{link}";
1910		2298
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2299	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1912	}	2300	}
1913		2301
1914	sub cf::object::player::leave_link {	2302	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2303	my ($self, $map, $x, $y) = @_;
		2304
		2305	return unless $self->contr->active;
1916		2306
1917	my $link_pos = delete $self->{_link_pos};	2307	my $link_pos = delete $self->{_link_pos};
1918		2308
1919	unless ($map) {	2309	unless ($map) {
1920	# restore original map position	2310	# restore original map position
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2324	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2325	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2326	if $x <=0 && $y <= 0;
1937		2327
1938	$map->load;	2328	$map->load;
1939	$map->load_diag;	2329	$map->load_neighbours;
1940		2330
1941	return unless $self->contr->active;	2331	return unless $self->contr->active;
1942	$self->activate_recursive;	2332	$self->activate_recursive;
1943		2333
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2334	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2335	$self->enter_map ($map, $x, $y);
1946	}	2336	}
1947		2337
1948	cf::player->attach (
1949	on_logout => sub {
1950	my ($pl) = @_;
1951
1952	# abort map switching before logout
1953	if ($pl->ob->{_link_pos}) {
1954	cf::sync_job {
1955	$pl->ob->leave_link
1956	};
1957	}
1958	},
1959	on_login => sub {
1960	my ($pl) = @_;
1961
1962	# try to abort aborted map switching on player login :)
1963	# should happen only on crashes
1964	if ($pl->ob->{_link_pos}) {
1965	$pl->ob->enter_link;
1966	(async {
1967	$pl->ob->reply (undef,
1968	"There was an internal problem at your last logout, "
1969	. "the server will try to bring you to your intended destination in a second.",
1970	cf::NDI_RED);
1971	# we need this sleep as the login has a concurrent enter_exit running
1972	# and this sleep increases chances of the player not ending up in scorn
1973	Coro::Timer::sleep 1;
1974	$pl->ob->leave_link;
1975	})->prio (2);
1976	}
1977	},
1978	);
1979
1980	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2338	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1981		2339
1982	Moves the player to the given map-path and coordinates by first freezing	2340	Moves the player to the given map-path and coordinates by first freezing
1983	her, loading and preparing them map, calling the provided $check callback	2341	her, loading and preparing them map, calling the provided $check callback
1984	that has to return the map if sucecssful, and then unfreezes the player on	2342	that has to return the map if sucecssful, and then unfreezes the player on
1985	the new (success) or old (failed) map position.	2343	the new (success) or old (failed) map position. In either case, $done will
		2344	be called at the end of this process.
1986		2345
1987	=cut	2346	=cut
		2347
		2348	our $GOTOGEN;
1988		2349
1989	sub cf::object::player::goto {	2350	sub cf::object::player::goto {
1990	my ($self, $path, $x, $y, $check) = @_;	2351	my ($self, $path, $x, $y, $check, $done) = @_;
		2352
		2353	# do generation counting so two concurrent goto's will be executed in-order
		2354	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1991		2355
1992	$self->enter_link;	2356	$self->enter_link;
1993		2357
1994	(async {	2358	(async {
1995	my $map = eval {	2359	my $map = eval {
…		…
2008	if ($@) {	2372	if ($@) {
2009	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);	2373	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2010	LOG llevError | logBacktrace, Carp::longmess $@;	2374	LOG llevError | logBacktrace, Carp::longmess $@;
2011	}	2375	}
2012		2376
		2377	if ($gen == $self->{_goto_generation}) {
		2378	delete $self->{_goto_generation};
2013	$self->leave_link ($map, $x, $y);	2379	$self->leave_link ($map, $x, $y);
		2380	}
		2381
		2382	$done->() if $done;
2014	})->prio (1);	2383	})->prio (1);
2015	}	2384	}
2016		2385
2017	=item $player_object->enter_exit ($exit_object)	2386	=item $player_object->enter_exit ($exit_object)
2018		2387
…		…
2087	my $hp = $exit->stats->hp;	2456	my $hp = $exit->stats->hp;
2088	my $sp = $exit->stats->sp;	2457	my $sp = $exit->stats->sp;
2089		2458
2090	$self->enter_link;	2459	$self->enter_link;
2091		2460
		2461	# if exit is damned, update players death & WoR home-position
		2462	$self->contr->savebed ($slaying, $hp, $sp)
		2463	if $exit->flag (FLAG_DAMNED);
		2464
2092	(async {	2465	(async {
2093	$self->deactivate_recursive; # just to be sure	2466	$self->deactivate_recursive; # just to be sure
2094	unless (eval {	2467	unless (eval {
2095	$self->goto ($slaying, $hp, $sp);	2468	$self->goto ($slaying, $hp, $sp);
2096		2469
…		…
2123		2496
2124	utf8::encode $text;	2497	utf8::encode $text;
2125	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2498	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2126	}	2499	}
2127		2500
		2501	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2502
		2503	Send a drawinfo or msg packet to the client, formatting the msg for the
		2504	client if neccessary. C<$type> should be a string identifying the type of
		2505	the message, with C<log> being the default. If C<$color> is negative, suppress
		2506	the message unless the client supports the msg packet.
		2507
		2508	=cut
		2509
		2510	our %CHANNEL = (
		2511	"c/identify" => {
		2512	id => "identify",
		2513	title => "Identify",
		2514	reply => undef,
		2515	tooltip => "Items recently identified",
		2516	},
		2517	"c/examine" => {
		2518	id => "examine",
		2519	title => "Examine",
		2520	reply => undef,
		2521	tooltip => "Signs and other items you examined",
		2522	},
		2523	);
		2524
		2525	sub cf::client::send_msg {
		2526	my ($self, $channel, $msg, $color, @extra) = @_;
		2527
		2528	$msg = $self->pl->expand_cfpod ($msg);
		2529
		2530	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2531
		2532	# check predefined channels, for the benefit of C
		2533	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2534
		2535	if (ref $channel) {
		2536	# send meta info to client, if not yet sent
		2537	unless (exists $self->{channel}{$channel->{id}}) {
		2538	$self->{channel}{$channel->{id}} = $channel;
		2539	$self->ext_msg (channel_info => $channel);
		2540	}
		2541
		2542	$channel = $channel->{id};
		2543	}
		2544
		2545	return unless @extra || length $msg;
		2546
		2547	if ($self->can_msg) {
		2548	# default colour, mask it out
		2549	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2550	if $color & cf::NDI_DEF;
		2551
		2552	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2553	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2554	} else {
		2555	if ($color >= 0) {
		2556	# replace some tags by gcfclient-compatible ones
		2557	for ($msg) {
		2558	1 while
		2559	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2560	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2561	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2562	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2563	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2564	}
		2565
		2566	$color &= cf::NDI_COLOR_MASK;
		2567
		2568	utf8::encode $msg;
		2569
		2570	if (0 && $msg =~ /\[/) {
		2571	# COMMAND/INFO
		2572	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2573	} else {
		2574	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2575	$self->send_packet ("drawinfo $color $msg")
		2576	}
		2577	}
		2578	}
		2579	}
		2580
2128	=item $client->ext_event ($type, %msg)	2581	=item $client->ext_msg ($type, @msg)
2129		2582
2130	Sends an exti event to the client.	2583	Sends an ext event to the client.
2131		2584
2132	=cut	2585	=cut
2133		2586
2134	sub cf::client::ext_event($$%) {	2587	sub cf::client::ext_msg($$@) {
2135	my ($self, $type, %msg) = @_;	2588	my ($self, $type, @msg) = @_;
2136		2589
		2590	if ($self->extcmd == 2) {
		2591	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2592	} elsif ($self->extcmd == 1) { # TODO: remove
2137	$msg{msgtype} = "event_$type";	2593	push @msg, msgtype => "event_$type";
2138	$self->send_packet ("ext " . cf::to_json \%msg);	2594	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2595	}
		2596	}
		2597
		2598	=item $client->ext_reply ($msgid, @msg)
		2599
		2600	Sends an ext reply to the client.
		2601
		2602	=cut
		2603
		2604	sub cf::client::ext_reply($$@) {
		2605	my ($self, $id, @msg) = @_;
		2606
		2607	if ($self->extcmd == 2) {
		2608	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2609	} elsif ($self->extcmd == 1) {
		2610	#TODO: version 1, remove
		2611	unshift @msg, msgtype => "reply", msgid => $id;
		2612	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2613	}
2139	}	2614	}
2140		2615
2141	=item $success = $client->query ($flags, "text", \&cb)	2616	=item $success = $client->query ($flags, "text", \&cb)
2142		2617
2143	Queues a query to the client, calling the given callback with	2618	Queues a query to the client, calling the given callback with
2144	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2619	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2145	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2620	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2146		2621
2147	Queries can fail, so check the return code. Or don't, as queries will become	2622	Queries can fail, so check the return code. Or don't, as queries will
2148	reliable at some point in the future.	2623	become reliable at some point in the future.
2149		2624
2150	=cut	2625	=cut
2151		2626
2152	sub cf::client::query {	2627	sub cf::client::query {
2153	my ($self, $flags, $text, $cb) = @_;	2628	my ($self, $flags, $text, $cb) = @_;
…		…
2161	utf8::encode $text;	2636	utf8::encode $text;
2162	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2637	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2163		2638
2164	$self->send_packet ($self->{query_queue}[0][0])	2639	$self->send_packet ($self->{query_queue}[0][0])
2165	if @{ $self->{query_queue} } == 1;	2640	if @{ $self->{query_queue} } == 1;
		2641
		2642	1
2166	}	2643	}
2167		2644
2168	cf::client->attach (	2645	cf::client->attach (
		2646	on_connect => sub {
		2647	my ($ns) = @_;
		2648
		2649	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2650	},
2169	on_reply => sub {	2651	on_reply => sub {
2170	my ($ns, $msg) = @_;	2652	my ($ns, $msg) = @_;
2171		2653
2172	# this weird shuffling is so that direct followup queries	2654	# this weird shuffling is so that direct followup queries
2173	# get handled first	2655	# get handled first
…		…
2185	} else {	2667	} else {
2186	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2668	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2187	}	2669	}
2188	}	2670	}
2189	},	2671	},
		2672	on_exticmd => sub {
		2673	my ($ns, $buf) = @_;
		2674
		2675	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2676
		2677	if (ref $msg) {
		2678	my ($type, $reply, @payload) =
		2679	"ARRAY" eq ref $msg
		2680	? @$msg
		2681	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2682
		2683	my @reply;
		2684
		2685	if (my $cb = $EXTICMD{$type}) {
		2686	@reply = $cb->($ns, @payload);
		2687	}
		2688
		2689	$ns->ext_reply ($reply, @reply)
		2690	if $reply;
		2691
		2692	} else {
		2693	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2694	}
		2695
		2696	cf::override;
		2697	},
2190	);	2698	);
2191		2699
2192	=item $client->async (\&cb)	2700	=item $client->async (\&cb)
2193		2701
2194	Create a new coroutine, running the specified callback. The coroutine will	2702	Create a new coroutine, running the specified callback. The coroutine will
…		…
2235	our $safe = new Safe "safe";	2743	our $safe = new Safe "safe";
2236	our $safe_hole = new Safe::Hole;	2744	our $safe_hole = new Safe::Hole;
2237		2745
2238	$SIG{FPE} = 'IGNORE';	2746	$SIG{FPE} = 'IGNORE';
2239		2747
2240	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2748	$safe->permit_only (Opcode::opset qw(
		2749	:base_core :base_mem :base_orig :base_math
		2750	grepstart grepwhile mapstart mapwhile
		2751	sort time
		2752	));
2241		2753
2242	# here we export the classes and methods available to script code	2754	# here we export the classes and methods available to script code
2243		2755
2244	=pod	2756	=pod
2245		2757
2246	The following functions and methods are available within a safe environment:	2758	The following functions and methods are available within a safe environment:
2247		2759
2248	cf::object contr pay_amount pay_player map	2760	cf::object
		2761	contr pay_amount pay_player map x y force_find force_add
		2762	insert remove name archname title slaying race decrease_ob_nr
		2763
2249	cf::object::player player	2764	cf::object::player
2250	cf::player peaceful	2765	player
2251	cf::map trigger	2766
		2767	cf::player
		2768	peaceful
		2769
		2770	cf::map
		2771	trigger
2252		2772
2253	=cut	2773	=cut
2254		2774
2255	for (	2775	for (
2256	["cf::object" => qw(contr pay_amount pay_player map)],	2776	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2777	insert remove inv name archname title slaying race
		2778	decrease_ob_nr)],
2257	["cf::object::player" => qw(player)],	2779	["cf::object::player" => qw(player)],
2258	["cf::player" => qw(peaceful)],	2780	["cf::player" => qw(peaceful)],
2259	["cf::map" => qw(trigger)],	2781	["cf::map" => qw(trigger)],
2260	) {	2782	) {
2261	no strict 'refs';	2783	no strict 'refs';
…		…
2332	=back	2854	=back
2333		2855
2334	=cut	2856	=cut
2335		2857
2336	#############################################################################	2858	#############################################################################
2337
2338	=head2 EXTENSION DATABASE SUPPORT
2339
2340	Crossfire maintains a very simple database for extension use. It can
2341	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2342	convert to/from binary).
2343
2344	The parameter C<$family> should best start with the name of the extension
2345	using it, it should be unique.
2346
2347	=over 4
2348
2349	=item $value = cf::db_get $family => $key
2350
2351	Returns a single value from the database.
2352
2353	=item cf::db_put $family => $key => $value
2354
2355	Stores the given C<$value> in the family.
2356
2357	=cut
2358
2359	our $DB;
2360
2361	sub db_init {
2362	unless ($DB) {
2363	$DB = BDB::db_create $DB_ENV;
2364
2365	cf::sync_job {
2366	eval {
2367	$DB->set_flags (BDB::CHKSUM);
2368
2369	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2370	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2371	cf::cleanup "db_open(db): $!" if $!;
2372	};
2373	cf::cleanup "db_open(db): $@" if $@;
2374	};
2375	}
2376	}
2377
2378	sub db_get($$) {
2379	my $key = "$_[0]/$_[1]";
2380
2381	cf::sync_job {
2382	BDB::db_get $DB, undef, $key, my $data;
2383
2384	$! ? ()
2385	: $data
2386	}
2387	}
2388
2389	sub db_put($$$) {
2390	BDB::dbreq_pri 4;
2391	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2392	}
2393
2394	=item cf::cache $id => [$paths...], $processversion => $process
2395
2396	Generic caching function that returns the value of the resource $id,
2397	caching and regenerating as required.
2398
2399	This function can block.
2400
2401	=cut
2402
2403	sub cache {
2404	my ($id, $src, $processversion, $process) = @_;
2405
2406	my $meta =
2407	join "\x00",
2408	$processversion,
2409	map {
2410	aio_stat $_
2411	and Carp::croak "$_: $!";
2412
2413	($_, (stat _)[7,9])
2414	} @$src;
2415
2416	my $dbmeta = db_get cache => "$id/meta";
2417	if ($dbmeta ne $meta) {
2418	# changed, we may need to process
2419
2420	my @data;
2421	my $md5;
2422
2423	for (0 .. $#$src) {
2424	0 <= aio_load $src->[$_], $data[$_]
2425	or Carp::croak "$src->[$_]: $!";
2426	}
2427
2428	# if processing is expensive, check
2429	# checksum first
2430	if (1) {
2431	$md5 =
2432	join "\x00",
2433	$processversion,
2434	map {
2435	Coro::cede;
2436	($src->[$_], Digest::MD5::md5_hex $data[$_])
2437	} 0.. $#$src;
2438
2439
2440	my $dbmd5 = db_get cache => "$id/md5";
2441	if ($dbmd5 eq $md5) {
2442	db_put cache => "$id/meta", $meta;
2443
2444	return db_get cache => "$id/data";
2445	}
2446	}
2447
2448	my $t1 = Time::HiRes::time;
2449	my $data = $process->(\@data);
2450	my $t2 = Time::HiRes::time;
2451
2452	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2453
2454	db_put cache => "$id/data", $data;
2455	db_put cache => "$id/md5" , $md5;
2456	db_put cache => "$id/meta", $meta;
2457
2458	return $data;
2459	}
2460
2461	db_get cache => "$id/data"
2462	}
2463
2464	=item fork_call { }, $args
2465
2466	Executes the given code block with the given arguments in a seperate
2467	process, returning the results. Everything must be serialisable with
2468	Coro::Storable. May, of course, block. Note that the executed sub may
2469	never block itself or use any form of Event handling.
2470
2471	=cut
2472
2473	sub fork_call(&@) {
2474	my ($cb, @args) = @_;
2475
2476	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2477	# or die "socketpair: $!";
2478	pipe my $fh1, my $fh2
2479	or die "pipe: $!";
2480
2481	if (my $pid = fork) {
2482	close $fh2;
2483
2484	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2485	$res = Coro::Storable::thaw $res;
2486
2487	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2488
2489	die $$res unless "ARRAY" eq ref $res;
2490
2491	return wantarray ? @$res : $res->[-1];
2492	} else {
2493	reset_signals;
2494	local $SIG{__WARN__};
2495	local $SIG{__DIE__};
2496	eval {
2497	close $fh1;
2498
2499	my @res = eval { $cb->(@args) };
2500	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2501	};
2502
2503	warn $@ if $@;
2504	_exit 0;
2505	}
2506	}
2507
2508
2509
2510	#############################################################################
2511	# the server's init and main functions	2859	# the server's init and main functions
2512		2860
2513	sub load_facedata($) {	2861	sub load_facedata($) {
2514	my ($path) = @_;	2862	my ($path) = @_;
		2863
		2864	# HACK to clear player env face cache, we need some signal framework
		2865	# for this (global event?)
		2866	%ext::player_env::MUSIC_FACE_CACHE = ();
		2867
		2868	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2515		2869
2516	warn "loading facedata from $path\n";	2870	warn "loading facedata from $path\n";
2517		2871
2518	my $facedata;	2872	my $facedata;
2519	0 < aio_load $path, $facedata	2873	0 < aio_load $path, $facedata
…		…
2522	$facedata = Coro::Storable::thaw $facedata;	2876	$facedata = Coro::Storable::thaw $facedata;
2523		2877
2524	$facedata->{version} == 2	2878	$facedata->{version} == 2
2525	or cf::cleanup "$path: version mismatch, cannot proceed.";	2879	or cf::cleanup "$path: version mismatch, cannot proceed.";
2526		2880
		2881	# patch in the exptable
		2882	$facedata->{resource}{"res/exp_table"} = {
		2883	type => FT_RSRC,
		2884	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2885	};
		2886	cf::cede_to_tick;
		2887
2527	{	2888	{
2528	my $faces = $facedata->{faceinfo};	2889	my $faces = $facedata->{faceinfo};
2529		2890
2530	while (my ($face, $info) = each %$faces) {	2891	while (my ($face, $info) = each %$faces) {
2531	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2892	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2532	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2893	cf::face::set_visibility $idx, $info->{visibility};
		2894	cf::face::set_magicmap $idx, $info->{magicmap};
2533	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2895	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2534	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2896	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2535	Coro::cede;	2897
		2898	cf::cede_to_tick;
2536	}	2899	}
2537		2900
2538	while (my ($face, $info) = each %$faces) {	2901	while (my ($face, $info) = each %$faces) {
2539	next unless $info->{smooth};	2902	next unless $info->{smooth};
2540	my $idx = cf::face::find $face	2903	my $idx = cf::face::find $face
2541	or next;	2904	or next;
2542	if (my $smooth = cf::face::find $info->{smooth}) {	2905	if (my $smooth = cf::face::find $info->{smooth}) {
		2906	cf::face::set_smooth $idx, $smooth;
2543	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2907	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2544	} else {	2908	} else {
2545	warn "smooth face '$info->{smooth}' not found for face '$face'";	2909	warn "smooth face '$info->{smooth}' not found for face '$face'";
2546	}	2910	}
2547	Coro::cede;	2911
		2912	cf::cede_to_tick;
2548	}	2913	}
2549	}	2914	}
2550		2915
2551	{	2916	{
2552	my $anims = $facedata->{animinfo};	2917	my $anims = $facedata->{animinfo};
2553		2918
2554	while (my ($anim, $info) = each %$anims) {	2919	while (my ($anim, $info) = each %$anims) {
2555	cf::anim::set $anim, $info->{frames}, $info->{facings};	2920	cf::anim::set $anim, $info->{frames}, $info->{facings};
2556	Coro::cede;	2921	cf::cede_to_tick;
2557	}	2922	}
2558		2923
2559	cf::anim::invalidate_all; # d'oh	2924	cf::anim::invalidate_all; # d'oh
2560	}	2925	}
2561		2926
		2927	{
		2928	# TODO: for gcfclient pleasure, we should give resources
		2929	# that gcfclient doesn't grok a >10000 face index.
		2930	my $res = $facedata->{resource};
		2931
		2932	my $soundconf = delete $res->{"res/sound.conf"};
		2933
		2934	while (my ($name, $info) = each %$res) {
		2935	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2936	my $data;
		2937
		2938	if ($info->{type} & 1) {
		2939	# prepend meta info
		2940
		2941	my $meta = $enc->encode ({
		2942	name => $name,
		2943	%{ $info->{meta} || {} },
		2944	});
		2945
		2946	$data = pack "(w/a*)*", $meta, $info->{data};
		2947	} else {
		2948	$data = $info->{data};
		2949	}
		2950
		2951	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2952	cf::face::set_type $idx, $info->{type};
		2953
		2954	cf::cede_to_tick;
		2955	}
		2956
		2957	if ($soundconf) {
		2958	$soundconf = $enc->decode (delete $soundconf->{data});
		2959
		2960	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2961	my $sound = $soundconf->{compat}[$_]
		2962	or next;
		2963
		2964	my $face = cf::face::find "sound/$sound->[1]";
		2965	cf::sound::set $sound->[0] => $face;
		2966	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2967	}
		2968
		2969	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2970	my $face = cf::face::find "sound/$v";
		2971	cf::sound::set $k => $face;
		2972	}
		2973	}
		2974	}
		2975
2562	1	2976	1
2563	}	2977	}
2564		2978
		2979	register_exticmd fx_want => sub {
		2980	my ($ns, $want) = @_;
		2981
		2982	while (my ($k, $v) = each %$want) {
		2983	$ns->fx_want ($k, $v);
		2984	}
		2985	};
		2986
2565	sub reload_regions {	2987	sub reload_regions {
		2988	# HACK to clear player env face cache, we need some signal framework
		2989	# for this (global event?)
		2990	%ext::player_env::MUSIC_FACE_CACHE = ();
		2991
2566	load_resource_file "$MAPDIR/regions"	2992	load_resource_file "$MAPDIR/regions"
2567	or die "unable to load regions file\n";	2993	or die "unable to load regions file\n";
		2994
		2995	for (cf::region::list) {
		2996	$_->{match} = qr/$_->{match}/
		2997	if exists $_->{match};
		2998	}
2568	}	2999	}
2569		3000
2570	sub reload_facedata {	3001	sub reload_facedata {
2571	load_facedata "$DATADIR/facedata"	3002	load_facedata "$DATADIR/facedata"
2572	or die "unable to load facedata\n";	3003	or die "unable to load facedata\n";
2573	}	3004	}
2574		3005
2575	sub reload_archetypes {	3006	sub reload_archetypes {
2576	load_resource_file "$DATADIR/archetypes"	3007	load_resource_file "$DATADIR/archetypes"
2577	or die "unable to load archetypes\n";	3008	or die "unable to load archetypes\n";
		3009	#d# NEED to laod twice to resolve forward references
		3010	# this really needs to be done in an extra post-pass
		3011	# (which needs to be synchronous, so solve it differently)
		3012	load_resource_file "$DATADIR/archetypes"
		3013	or die "unable to load archetypes\n";
2578	}	3014	}
2579		3015
2580	sub reload_treasures {	3016	sub reload_treasures {
2581	load_resource_file "$DATADIR/treasures"	3017	load_resource_file "$DATADIR/treasures"
2582	or die "unable to load treasurelists\n";	3018	or die "unable to load treasurelists\n";
…		…
2585	sub reload_resources {	3021	sub reload_resources {
2586	warn "reloading resource files...\n";	3022	warn "reloading resource files...\n";
2587		3023
2588	reload_regions;	3024	reload_regions;
2589	reload_facedata;	3025	reload_facedata;
		3026	#reload_archetypes;#d#
2590	reload_archetypes;	3027	reload_archetypes;
2591	reload_treasures;	3028	reload_treasures;
2592		3029
2593	warn "finished reloading resource files\n";	3030	warn "finished reloading resource files\n";
2594	}	3031	}
2595		3032
2596	sub init {	3033	sub init {
2597	reload_resources;	3034	reload_resources;
2598	}	3035	}
2599		3036
2600	sub cfg_load {	3037	sub reload_config {
2601	open my $fh, "<:utf8", "$CONFDIR/config"	3038	open my $fh, "<:utf8", "$CONFDIR/config"
2602	or return;	3039	or return;
2603		3040
2604	local $/;	3041	local $/;
2605	*CFG = YAML::Syck::Load <$fh>;	3042	*CFG = YAML::Syck::Load <$fh>;
…		…
2625	(async {	3062	(async {
2626	Event::one_event;	3063	Event::one_event;
2627	})->prio (Coro::PRIO_MAX);	3064	})->prio (Coro::PRIO_MAX);
2628	};	3065	};
2629		3066
2630	cfg_load;	3067	reload_config;
2631	db_init;	3068	db_init;
2632	load_extensions;	3069	load_extensions;
2633		3070
2634	$TICK_WATCHER->start;	3071	$TICK_WATCHER->start;
2635	Event::loop;	3072	Event::loop;
…		…
2651	},	3088	},
2652	);	3089	);
2653	}	3090	}
2654	}	3091	}
2655		3092
		3093	sub write_runtime {
		3094	my $runtime = "$LOCALDIR/runtime";
		3095
		3096	# first touch the runtime file to show we are still running:
		3097	# the fsync below can take a very very long time.
		3098
		3099	IO::AIO::aio_utime $runtime, undef, undef;
		3100
		3101	my $guard = cf::lock_acquire "write_runtime";
		3102
		3103	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3104	or return;
		3105
		3106	my $value = $cf::RUNTIME + 90 + 10;
		3107	# 10 is the runtime save interval, for a monotonic clock
		3108	# 60 allows for the watchdog to kill the server.
		3109
		3110	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3111	and return;
		3112
		3113	# always fsync - this file is important
		3114	aio_fsync $fh
		3115	and return;
		3116
		3117	# touch it again to show we are up-to-date
		3118	aio_utime $fh, undef, undef;
		3119
		3120	close $fh
		3121	or return;
		3122
		3123	aio_rename "$runtime~", $runtime
		3124	and return;
		3125
		3126	warn "runtime file written.\n";
		3127
		3128	1
		3129	}
		3130
2656	sub emergency_save() {	3131	sub emergency_save() {
2657	my $freeze_guard = cf::freeze_mainloop;	3132	my $freeze_guard = cf::freeze_mainloop;
2658		3133
2659	warn "enter emergency perl save\n";	3134	warn "enter emergency perl save\n";
2660		3135
…		…
2735	%EXT_CORO = ();	3210	%EXT_CORO = ();
2736		3211
2737	warn "removing commands";	3212	warn "removing commands";
2738	%COMMAND = ();	3213	%COMMAND = ();
2739		3214
2740	warn "removing ext commands";	3215	warn "removing ext/exti commands";
2741	%EXTCMD = ();	3216	%EXTCMD = ();
		3217	%EXTICMD = ();
2742		3218
2743	warn "unloading/nuking all extensions";	3219	warn "unloading/nuking all extensions";
2744	for my $pkg (@EXTS) {	3220	for my $pkg (@EXTS) {
2745	warn "... unloading $pkg";	3221	warn "... unloading $pkg";
2746		3222
…		…
2789	warn "reloading cf.pm";	3265	warn "reloading cf.pm";
2790	require cf;	3266	require cf;
2791	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3267	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2792		3268
2793	warn "loading config and database again";	3269	warn "loading config and database again";
2794	cf::cfg_load;	3270	cf::reload_config;
2795		3271
2796	warn "loading extensions";	3272	warn "loading extensions";
2797	cf::load_extensions;	3273	cf::load_extensions;
2798		3274
2799	warn "reattaching attachments to objects/players";	3275	warn "reattaching attachments to objects/players";

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