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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.273 by root, Mon Jun 4 12:19:08 2007 UTC vs.
Revision 1.361 by root, Sun Sep 9 12:52:48 2007 UTC

…		…
10	use Event;	10	use Event;
11	use Opcode;	11	use Opcode;
12	use Safe;	12	use Safe;
13	use Safe::Hole;	13	use Safe::Hole;
14		14
15	use Coro 3.61 ();	15	use Coro 3.64 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::Event;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
23	use Coro::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
24		25
		26	use JSON::XS ();
25	use BDB ();	27	use BDB ();
26	use Data::Dumper;	28	use Data::Dumper;
27	use Digest::MD5;	29	use Digest::MD5;
28	use Fcntl;	30	use Fcntl;
29	use YAML::Syck ();	31	use YAML::Syck ();
30	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
31	use Time::HiRes;	33	use Time::HiRes;
32	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
33		36
34	# configure various modules to our taste	37	# configure various modules to our taste
35	#	38	#
36	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
…		…
49	our %COMMAND = ();	52	our %COMMAND = ();
50	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
51		54
52	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
56		60
57	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
58	our @EVENT;	62	our @EVENT;
…		…
83	our %CFG;	87	our %CFG;
84		88
85	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	90	our $RUNTIME;
87		91
88	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
91		95
92	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		98
…		…
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		168
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	170	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
168		178
169	=back	179	=back
170		180
171	=cut	181	=cut
172		182
…		…
206	}	216	}
207		217
208	$Event::DIED = sub {	218	$Event::DIED = sub {
209	warn "error in event callback: @_";	219	warn "error in event callback: @_";
210	};	220	};
		221
		222	#############################################################################
211		223
212	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
213		225
214	=over 4	226	=over 4
215		227
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	247	$d
236	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
237	}	249	}
238		250
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
242		252
243	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
244		254
245	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
246		256
247	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
		258
		259	=cut
		260
		261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		262
		263	sub to_json ($) { $json_coder->encode ($_[0]) }
		264	sub from_json ($) { $json_coder->decode ($_[0]) }
248		265
249	=item cf::lock_wait $string	266	=item cf::lock_wait $string
250		267
251	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
252		269
…		…
255	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
258	returned.	275	returned.
259		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
260	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
262		282
263	=item $locked = cf::lock_active $string	283	=item $locked = cf::lock_active $string
264		284
265	Return true if the lock is currently active, i.e. somebody has locked it.	285	Return true if the lock is currently active, i.e. somebody has locked it.
266		286
267	=cut	287	=cut
268		288
269	our %LOCK;	289	our %LOCK;
		290	our %LOCKER;#d#
270		291
271	sub lock_wait($) {	292	sub lock_wait($) {
272	my ($key) = @_;	293	my ($key) = @_;
		294
		295	if ($LOCKER{$key} == $Coro::current) {#d#
		296	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		297	return;#d#
		298	}#d#
273		299
274	# wait for lock, if any	300	# wait for lock, if any
275	while ($LOCK{$key}) {	301	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;	302	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;	303	Coro::schedule;
…		…
283		309
284	# wait, to be sure we are not locked	310	# wait, to be sure we are not locked
285	lock_wait $key;	311	lock_wait $key;
286		312
287	$LOCK{$key} = [];	313	$LOCK{$key} = [];
		314	$LOCKER{$key} = $Coro::current;#d#
288		315
289	Coro::guard {	316	Coro::guard {
		317	delete $LOCKER{$key};#d#
290	# wake up all waiters, to be on the safe side	318	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };	319	$_->ready for @{ delete $LOCK{$key} };
292	}	320	}
293	}	321	}
294		322
…		…
306	};	334	};
307	$TICK_WATCHER->stop;	335	$TICK_WATCHER->stop;
308	$guard	336	$guard
309	}	337	}
310		338
		339	=item cf::get_slot $time[, $priority[, $name]]
		340
		341	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		342	This call blocks and returns only when you have at least C<$time> seconds
		343	of cpu time till the next tick. The slot is only valid till the next cede.
		344
		345	The optional C<$name> can be used to identify the job to run. It might be
		346	used for statistical purposes and should identify the same time-class.
		347
		348	Useful for short background jobs.
		349
		350	=cut
		351
		352	our @SLOT_QUEUE;
		353	our $SLOT_QUEUE;
		354
		355	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		356	$SLOT_QUEUE = Coro::async {
		357	my $signal = new Coro::Signal;
		358
		359	while () {
		360	next_job:
		361	my $avail = cf::till_tick;
		362	if ($avail > 0.01) {
		363	for (0 .. $#SLOT_QUEUE) {
		364	if ($SLOT_QUEUE[$_][0] < $avail) {
		365	my $job = splice @SLOT_QUEUE, $_, 1, ();
		366	$job->[2]->send;
		367	Coro::cede;
		368	goto next_job;
		369	}
		370	}
		371	}
		372
		373	if (@SLOT_QUEUE) {
		374	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		375	push @cf::WAIT_FOR_TICK, $signal;
		376	$signal->wait;
		377	} else {
		378	Coro::schedule;
		379	}
		380	}
		381	};
		382
		383	sub get_slot($;$$) {
		384	my ($time, $pri, $name) = @_;
		385
		386	$time = $TICK * .6 if $time > $TICK * .6;
		387	my $sig = new Coro::Signal;
		388
		389	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		390	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		391	$SLOT_QUEUE->ready;
		392	$sig->wait;
		393	}
		394
311	=item cf::async { BLOCK }	395	=item cf::async { BLOCK }
312		396
313	Currently the same as Coro::async_pool, meaning you cannot use	397	Currently the same as Coro::async_pool, meaning you cannot use
314	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	398	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
315	thing you are allowed to do is call C<prio> on it.	399	thing you are allowed to do is call C<prio> on it.
…		…
318		402
319	BEGIN { *async = \&Coro::async_pool }	403	BEGIN { *async = \&Coro::async_pool }
320		404
321	=item cf::sync_job { BLOCK }	405	=item cf::sync_job { BLOCK }
322		406
323	The design of crossfire+ requires that the main coro ($Coro::main) is	407	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	408	is always able to handle events or runnable, as Crossfire TRT is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	409	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		410	acceptable.
326		411
327	If it must be done, put the blocking parts into C<sync_job>. This will run	412	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	413	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	414	server will be frozen during this time, so the block should either finish
330	fast or be very important.	415	fast or be very important.
…		…
390	$EXT_CORO{$coro+0} = $coro;	475	$EXT_CORO{$coro+0} = $coro;
391		476
392	$coro	477	$coro
393	}	478	}
394		479
395	sub write_runtime {	480	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		481
398	# first touch the runtime file to show we are still running:	482	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	483	process, returning the results. Everything must be serialisable with
		484	Coro::Storable. May, of course, block. Note that the executed sub may
		485	never block itself or use any form of Event handling.
400		486
401	IO::AIO::aio_utime $runtime, undef, undef;	487	=cut
402		488
403	my $guard = cf::lock_acquire "write_runtime";	489	sub fork_call(&@) {
		490	my ($cb, @args) = @_;
404		491
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	492	# we seemingly have to make a local copy of the whole thing,
406	or return;	493	# otherwise perl prematurely frees the stuff :/
		494	# TODO: investigate and fix (likely this will be rather laborious)
407		495
408	my $value = $cf::RUNTIME + 90 + 10;	496	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	497	reset_signals;
410	# 60 allows for the watchdog to kill the server.	498	&$cb
		499	}, @args;
411		500
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	501	wantarray ? @res : $res[-1]
413	and return;	502	}
414		503
415	# always fsync - this file is important	504	=item $value = cf::db_get $family => $key
416	aio_fsync $fh
417	and return;
418		505
419	# touch it again to show we are up-to-date	506	Returns a single value from the environment database.
420	aio_utime $fh, undef, undef;
421		507
422	close $fh	508	=item cf::db_put $family => $key => $value
423	or return;
424		509
425	aio_rename "$runtime~", $runtime	510	Stores the given C<$value> in the family. It can currently store binary
426	and return;	511	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
427		512
428	warn "runtime file written.\n";#d#	513	=cut
429		514
		515	our $DB;
		516
		517	sub db_init {
		518	unless ($DB) {
		519	$DB = BDB::db_create $DB_ENV;
		520
		521	cf::sync_job {
		522	eval {
		523	$DB->set_flags (BDB::CHKSUM);
		524
		525	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		526	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		527	cf::cleanup "db_open(db): $!" if $!;
		528	};
		529	cf::cleanup "db_open(db): $@" if $@;
		530	};
430	1	531	}
		532	}
		533
		534	sub db_get($$) {
		535	my $key = "$_[0]/$_[1]";
		536
		537	cf::sync_job {
		538	BDB::db_get $DB, undef, $key, my $data;
		539
		540	$! ? ()
		541	: $data
		542	}
		543	}
		544
		545	sub db_put($$$) {
		546	BDB::dbreq_pri 4;
		547	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		548	}
		549
		550	=item cf::cache $id => [$paths...], $processversion => $process
		551
		552	Generic caching function that returns the value of the resource $id,
		553	caching and regenerating as required.
		554
		555	This function can block.
		556
		557	=cut
		558
		559	sub cache {
		560	my ($id, $src, $processversion, $process) = @_;
		561
		562	my $meta =
		563	join "\x00",
		564	$processversion,
		565	map {
		566	aio_stat $_
		567	and Carp::croak "$_: $!";
		568
		569	($_, (stat _)[7,9])
		570	} @$src;
		571
		572	my $dbmeta = db_get cache => "$id/meta";
		573	if ($dbmeta ne $meta) {
		574	# changed, we may need to process
		575
		576	my @data;
		577	my $md5;
		578
		579	for (0 .. $#$src) {
		580	0 <= aio_load $src->[$_], $data[$_]
		581	or Carp::croak "$src->[$_]: $!";
		582	}
		583
		584	# if processing is expensive, check
		585	# checksum first
		586	if (1) {
		587	$md5 =
		588	join "\x00",
		589	$processversion,
		590	map {
		591	cf::cede_to_tick;
		592	($src->[$_], Digest::MD5::md5_hex $data[$_])
		593	} 0.. $#$src;
		594
		595
		596	my $dbmd5 = db_get cache => "$id/md5";
		597	if ($dbmd5 eq $md5) {
		598	db_put cache => "$id/meta", $meta;
		599
		600	return db_get cache => "$id/data";
		601	}
		602	}
		603
		604	my $t1 = Time::HiRes::time;
		605	my $data = $process->(\@data);
		606	my $t2 = Time::HiRes::time;
		607
		608	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		609
		610	db_put cache => "$id/data", $data;
		611	db_put cache => "$id/md5" , $md5;
		612	db_put cache => "$id/meta", $meta;
		613
		614	return $data;
		615	}
		616
		617	db_get cache => "$id/data"
431	}	618	}
432		619
433	=item cf::datalog type => key => value, ...	620	=item cf::datalog type => key => value, ...
434		621
435	Log a datalog packet of the given type with the given key-value pairs.	622	Log a datalog packet of the given type with the given key-value pairs.
…		…
453	attach callbacks/event handlers (a collection of which is called an "attachment")	640	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	641	to it. All such attachable objects support the following methods.
455		642
456	In the following description, CLASS can be any of C<global>, C<object>	643	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	644	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	645	Crossfire TRT).
459		646
460	=over 4	647	=over 4
461		648
462	=item $attachable->attach ($attachment, key => $value...)	649	=item $attachable->attach ($attachment, key => $value...)
463		650
…		…
665	_attach $registry, $klass, @attach;	852	_attach $registry, $klass, @attach;
666	}	853	}
667		854
668	$obj->{$name} = \%arg;	855	$obj->{$name} = \%arg;
669	} else {	856	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	857	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	858	}
672		859
673	$obj->{_attachment}{$name} = undef;	860	$obj->{_attachment}{$name} = undef;
674	}	861	}
675		862
…		…
715	";	902	";
716	die if $@;	903	die if $@;
717	}	904	}
718		905
719	our $override;	906	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	907	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		908
722	sub override {	909	sub override {
723	$override = 1;	910	$override = 1;
724	@invoke_results = ();	911	@INVOKE_RESULTS = (@_);
725	}	912	}
726		913
727	sub do_invoke {	914	sub do_invoke {
728	my $event = shift;	915	my $event = shift;
729	my $callbacks = shift;	916	my $callbacks = shift;
730		917
731	@invoke_results = ();	918	@INVOKE_RESULTS = ();
732		919
733	local $override;	920	local $override;
734		921
735	for (@$callbacks) {	922	for (@$callbacks) {
736	eval { &{$_->[1]} };	923	eval { &{$_->[1]} };
…		…
753		940
754	Generate an object-specific event with the given arguments.	941	Generate an object-specific event with the given arguments.
755		942
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	943	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	944	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	945	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		946
760	=back	947	=back
761		948
762	=cut	949	=cut
763		950
764	#############################################################################	951	#############################################################################
765	# object support	952	# object support
		953	#
		954
		955	sub _can_merge {
		956	my ($ob1, $ob2) = @_;
		957
		958	local $Storable::canonical = 1;
		959	my $fob1 = Storable::freeze $ob1;
		960	my $fob2 = Storable::freeze $ob2;
		961
		962	$fob1 eq $fob2
		963	}
766		964
767	sub reattach {	965	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	966	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	967	my ($obj) = @_;
770		968
…		…
814	},	1012	},
815	);	1013	);
816		1014
817	sub object_freezer_save {	1015	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1016	my ($filename, $rdata, $objs) = @_;
		1017
		1018	my $guard = cf::lock_acquire "io";
819		1019
820	sync_job {	1020	sync_job {
821	if (length $$rdata) {	1021	if (length $$rdata) {
822	warn sprintf "saving %s (%d,%d)\n",	1022	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1023	$filename, length $$rdata, scalar @$objs;
…		…
847	}	1047	}
848	} else {	1048	} else {
849	aio_unlink $filename;	1049	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1050	aio_unlink "$filename.pst";
851	}	1051	}
852	}	1052	};
		1053
		1054	undef $guard;
853	}	1055	}
854		1056
855	sub object_freezer_as_string {	1057	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1058	my ($rdata, $objs) = @_;
857		1059
…		…
862		1064
863	sub object_thawer_load {	1065	sub object_thawer_load {
864	my ($filename) = @_;	1066	my ($filename) = @_;
865		1067
866	my ($data, $av);	1068	my ($data, $av);
		1069
		1070	my $guard = cf::lock_acquire "io";
867		1071
868	(aio_load $filename, $data) >= 0	1072	(aio_load $filename, $data) >= 0
869	or return;	1073	or return;
870		1074
871	unless (aio_stat "$filename.pst") {	1075	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1076	(aio_load "$filename.pst", $av) >= 0
873	or return;	1077	or return;
		1078
		1079	undef $guard;
874	$av = eval { (Storable::thaw $av)->{objs} };	1080	$av = eval { (Storable::thaw $av)->{objs} };
875	}	1081	}
876		1082
877	warn sprintf "loading %s (%d)\n",	1083	warn sprintf "loading %s (%d)\n",
878	$filename, length $data, scalar @{$av || []};#d#	1084	$filename, length $data, scalar @{$av || []};
		1085
879	return ($data, $av);	1086	($data, $av)
880	}	1087	}
		1088
		1089	=head2 COMMAND CALLBACKS
		1090
		1091	=over 4
		1092
		1093	=cut
881		1094
882	#############################################################################	1095	#############################################################################
883	# command handling &c	1096	# command handling &c
884		1097
885	=item cf::register_command $name => \&callback($ob,$args);	1098	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1111	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1112	}
900		1113
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1114	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1115
903	Register a callbackf ro execution when the client sends an extcmd packet.	1116	Register a callback for execution when the client sends an (synchronous)
		1117	extcmd packet. Ext commands will be processed in the order they are
		1118	received by the server, like other user commands. The first argument is
		1119	the logged-in player. Ext commands can only be processed after a player
		1120	has logged in successfully.
904		1121
905	If the callback returns something, it is sent back as if reply was being	1122	If the callback returns something, it is sent back as if reply was being
906	called.	1123	called.
907		1124
		1125	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1126
		1127	Register a callback for execution when the client sends an (asynchronous)
		1128	exticmd packet. Exti commands are processed by the server as soon as they
		1129	are received, i.e. out of order w.r.t. other commands. The first argument
		1130	is a client socket. Exti commands can be received anytime, even before
		1131	log-in.
		1132
		1133	If the callback returns something, it is sent back as if reply was being
		1134	called.
		1135
908	=cut	1136	=cut
909		1137
910	sub register_extcmd {	1138	sub register_extcmd {
911	my ($name, $cb) = @_;	1139	my ($name, $cb) = @_;
912		1140
913	$EXTCMD{$name} = $cb;	1141	$EXTCMD{$name} = $cb;
		1142	}
		1143
		1144	sub register_exticmd {
		1145	my ($name, $cb) = @_;
		1146
		1147	$EXTICMD{$name} = $cb;
914	}	1148	}
915		1149
916	cf::player->attach (	1150	cf::player->attach (
917	on_command => sub {	1151	on_command => sub {
918	my ($pl, $name, $params) = @_;	1152	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1161	cf::override;
928	},	1162	},
929	on_extcmd => sub {	1163	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1164	my ($pl, $buf) = @_;
931		1165
932	my $msg = eval { from_json $buf };	1166	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1167
934	if (ref $msg) {	1168	if (ref $msg) {
		1169	my ($type, $reply, @payload) =
		1170	"ARRAY" eq ref $msg
		1171	? @$msg
		1172	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1173
		1174	my @reply;
		1175
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1176	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1177	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1178	}
		1179
		1180	$pl->ext_reply ($reply, @reply)
		1181	if $reply;
		1182
940	} else {	1183	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1184	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1185	}
943		1186
944	cf::override;	1187	cf::override;
945	},	1188	},
946	);	1189	);
947		1190
948	sub load_extension {
949	my ($path) = @_;
950
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
952	my $base = $1;
953	my $pkg = $1;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}
976	die $@;
977	}
978
979	push @EXTS, $pkg;
980	}
981
982	sub load_extensions {	1191	sub load_extensions {
		1192	cf::sync_job {
		1193	my %todo;
		1194
983	for my $ext (<$LIBDIR/*.ext>) {	1195	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1196	next unless -r $path;
985	eval {	1197
986	load_extension $ext;	1198	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1199	my $base = $1;
		1200	my $pkg = $1;
		1201	$pkg =~ s/[^[:word:]]/_/g;
		1202	$pkg = "ext::$pkg";
		1203
		1204	open my $fh, "<:utf8", $path
		1205	or die "$path: $!";
		1206
		1207	my $source = do { local $/; <$fh> };
		1208
		1209	my %ext = (
		1210	path => $path,
		1211	base => $base,
		1212	pkg => $pkg,
		1213	);
		1214
		1215	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1216	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1217
		1218	$ext{source} =
		1219	"package $pkg; use strict; use utf8;\n"
		1220	. "#line 1 \"$path\"\n{\n"
		1221	. $source
		1222	. "\n};\n1";
		1223
		1224	$todo{$base} = \%ext;
		1225	}
		1226
		1227	my %done;
		1228	while (%todo) {
		1229	my $progress;
		1230
		1231	while (my ($k, $v) = each %todo) {
		1232	for (split /,\s*/, $v->{meta}{depends}) {
		1233	goto skip
		1234	unless exists $done{$_};
		1235	}
		1236
		1237	warn "... loading '$k' into '$v->{pkg}'\n";
		1238
		1239	unless (eval $v->{source}) {
		1240	my $msg = $@ ? "$v->{path}: $@\n"
		1241	: "$v->{base}: extension inactive.\n";
		1242
		1243	if (exists $v->{meta}{mandatory}) {
		1244	warn $msg;
		1245	warn "mandatory extension failed to load, exiting.\n";
		1246	exit 1;
		1247	}
		1248
		1249	warn $msg;
		1250	}
		1251
		1252	$done{$k} = delete $todo{$k};
		1253	push @EXTS, $v->{pkg};
		1254	$progress = 1;
987	1	1255	}
988	} or warn "$ext not loaded: $@";	1256
		1257	skip:
		1258	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1259	unless $progress;
		1260	}
989	}	1261	};
990	}	1262	}
991		1263
992	#############################################################################	1264	#############################################################################
993		1265
		1266	=back
		1267
994	=head2 CORE EXTENSIONS	1268	=head2 CORE EXTENSIONS
995		1269
996	Functions and methods that extend core crossfire objects.	1270	Functions and methods that extend core crossfire objects.
997		1271
998	=cut	1272	=cut
…		…
1002	use Coro::AIO;	1276	use Coro::AIO;
1003		1277
1004	=head3 cf::player	1278	=head3 cf::player
1005		1279
1006	=over 4	1280	=over 4
		1281
		1282	=item cf::player::num_playing
		1283
		1284	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1285
		1286	=cut
		1287
		1288	sub num_playing {
		1289	scalar grep
		1290	$_->ob->map
		1291	&& !$_->hidden
		1292	&& !$_->ob->flag (cf::FLAG_WIZ),
		1293	cf::player::list
		1294	}
1007		1295
1008	=item cf::player::find $login	1296	=item cf::player::find $login
1009		1297
1010	Returns the given player object, loading it if necessary (might block).	1298	Returns the given player object, loading it if necessary (might block).
1011		1299
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1338	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1339
1052	my $pl = load_pl path $login	1340	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1341	or return;
		1342
		1343	$f->next;
		1344	my $pl = cf::player::load_pl $f
		1345	or return;
		1346	local $cf::PLAYER_LOADING{$login} = $pl;
		1347	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1348	$cf::PLAYER{$login} = $pl
1055	}	1349	}
1056	}	1350	}
1057	}	1351	}
1058		1352
…		…
1068		1362
1069	aio_mkdir playerdir $pl, 0770;	1363	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1364	$pl->{last_save} = $cf::RUNTIME;
1071		1365
1072	$pl->save_pl ($path);	1366	$pl->save_pl ($path);
1073	Coro::cede;	1367	cf::cede_to_tick;
1074	}	1368	}
1075		1369
1076	sub new($) {	1370	sub new($) {
1077	my ($login) = @_;	1371	my ($login) = @_;
1078		1372
…		…
1082	$self->{deny_save} = 1;	1376	$self->{deny_save} = 1;
1083		1377
1084	$cf::PLAYER{$login} = $self;	1378	$cf::PLAYER{$login} = $self;
1085		1379
1086	$self	1380	$self
		1381	}
		1382
		1383	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1384
		1385	=cut
		1386
		1387	sub send_msg {
		1388	my $ns = shift->ns
		1389	or return;
		1390	$ns->send_msg (@_);
1087	}	1391	}
1088		1392
1089	=item $pl->quit_character	1393	=item $pl->quit_character
1090		1394
1091	Nukes the player without looking back. If logged in, the connection will	1395	Nukes the player without looking back. If logged in, the connection will
…		…
1146	or return [];	1450	or return [];
1147		1451
1148	my @logins;	1452	my @logins;
1149		1453
1150	for my $login (@$dirs) {	1454	for my $login (@$dirs) {
		1455	my $path = path $login;
		1456
		1457	# a .pst is a dead give-away for a valid player
		1458	unless (-e "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1459	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1460	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1461	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1462	}
1154		1463
1155	utf8::decode $login;	1464	utf8::decode $login;
1156	push @logins, $login;	1465	push @logins, $login;
1157	}	1466	}
1158		1467
…		…
1185	}	1494	}
1186		1495
1187	\@paths	1496	\@paths
1188	}	1497	}
1189		1498
		1499	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1500
		1501	Expand crossfire pod fragments into protocol xml.
		1502
		1503	=cut
		1504
		1505	sub expand_cfpod {
		1506	((my $self), (local $_)) = @_;
		1507
		1508	# escape & and <
		1509	s/&/&amp;/g;
		1510	s/(?<![BIUGHT])</&lt;/g;
		1511
		1512	# this is buggy, it needs to properly take care of nested <'s
		1513
		1514	1 while
		1515	# replace B<>, I<>, U<> etc.
		1516	s/B<([^\>]*)>/<b>$1<\/b>/
		1517	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1518	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1519	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1520	# replace G<male|female> tags
		1521	|| s{G<([^>|]*)\|([^>]*)>}{
		1522	$self->gender ? $2 : $1
		1523	}ge
		1524	# replace H<hint text>
		1525	|| s{H<([^\>]*)>}
		1526	{
		1527	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1528	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1529	"")
		1530	[$self->{hintmode}]
		1531	}ge;
		1532
		1533	# create single paragraphs (very hackish)
		1534	s/(?<=\S)\n(?=\w)/ /g;
		1535
		1536	# compress some whitespace
		1537	s/\s+\n/\n/g; # ws line-ends
		1538	s/\n\n+/\n/g; # double lines
		1539	s/^\n+//; # beginning lines
		1540	s/\n+$//; # ending lines
		1541
		1542	$_
		1543	}
		1544
		1545	sub hintmode {
		1546	$_[0]{hintmode} = $_[1] if @_ > 1;
		1547	$_[0]{hintmode}
		1548	}
		1549
1190	=item $player->ext_reply ($msgid, %msg)	1550	=item $player->ext_reply ($msgid, @msg)
1191		1551
1192	Sends an ext reply to the player.	1552	Sends an ext reply to the player.
1193		1553
1194	=cut	1554	=cut
1195		1555
1196	sub ext_reply($$%) {	1556	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1557	my ($self, $id, @msg) = @_;
1198		1558
1199	$msg{msgid} = $id;	1559	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1560	}
1203		1561
1204	=item $player->ext_event ($type, %msg)	1562	=item $player->ext_msg ($type, @msg)
1205		1563
1206	Sends an ext event to the client.	1564	Sends an ext event to the client.
1207		1565
1208	=cut	1566	=cut
1209		1567
1210	sub ext_event($$%) {	1568	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1569	my ($self, $type, @msg) = @_;
1212		1570
1213	$self->ns->ext_event ($type, %msg);	1571	$self->ns->ext_msg ($type, @msg);
1214	}	1572	}
1215		1573
1216	=head3 cf::region	1574	=head3 cf::region
1217		1575
1218	=over 4	1576	=over 4
…		…
1221		1579
1222	package cf::region;	1580	package cf::region;
1223		1581
1224	=item cf::region::find_by_path $path	1582	=item cf::region::find_by_path $path
1225		1583
1226	Tries to decuce the probable region for a map knowing only its path.	1584	Tries to decuce the likely region for a map knowing only its path.
1227		1585
1228	=cut	1586	=cut
1229		1587
1230	sub find_by_path($) {	1588	sub find_by_path($) {
1231	my ($path) = @_;	1589	my ($path) = @_;
1232		1590
1233	my ($match, $specificity);	1591	my ($match, $specificity);
1234		1592
1235	for my $region (list) {	1593	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1594	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1595	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1596	if $region->specificity > $specificity;
1239	}	1597	}
1240	}	1598	}
1241		1599
…		…
1305	my ($self, $merge) = @_;	1663	my ($self, $merge) = @_;
1306		1664
1307	# we have to keep some variables in memory intact	1665	# we have to keep some variables in memory intact
1308	local $self->{path};	1666	local $self->{path};
1309	local $self->{load_path};	1667	local $self->{load_path};
1310	local $self->{deny_save};
1311	local $self->{deny_reset};
1312		1668
1313	$self->SUPER::thawer_merge ($merge);	1669	$self->SUPER::thawer_merge ($merge);
1314	}	1670	}
1315		1671
1316	sub normalise {	1672	sub normalise {
…		…
1363	$self->init; # pass $1 etc.	1719	$self->init; # pass $1 etc.
1364	return $self;	1720	return $self;
1365	}	1721	}
1366	}	1722	}
1367		1723
1368	Carp::carp "unable to resolve path '$path' (base '$base').";	1724	Carp::cluck "unable to resolve path '$path' (base '$base').";
1369	()	1725	()
1370	}	1726	}
1371		1727
1372	sub init {	1728	sub init {
1373	my ($self) = @_;	1729	my ($self) = @_;
…		…
1416		1772
1417	$_->change_map_light ($change)	1773	$_->change_map_light ($change)
1418	for grep $_->outdoor, values %cf::MAP;	1774	for grep $_->outdoor, values %cf::MAP;
1419	}	1775	}
1420		1776
		1777	sub decay_objects {
		1778	my ($self) = @_;
		1779
		1780	return if $self->{deny_reset};
		1781
		1782	$self->do_decay_objects;
		1783	}
		1784
1421	sub unlink_save {	1785	sub unlink_save {
1422	my ($self) = @_;	1786	my ($self) = @_;
1423		1787
1424	utf8::encode (my $save = $self->save_path);	1788	utf8::encode (my $save = $self->save_path);
1425	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1789	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1428		1792
1429	sub load_header_from($) {	1793	sub load_header_from($) {
1430	my ($self, $path) = @_;	1794	my ($self, $path) = @_;
1431		1795
1432	utf8::encode $path;	1796	utf8::encode $path;
1433	#aio_open $path, O_RDONLY, 0	1797	my $f = new_from_file cf::object::thawer $path
1434	# or return;
1435
1436	$self->_load_header ($path)
1437	or return;	1798	or return;
		1799
		1800	$self->_load_header ($f)
		1801	or return;
		1802
		1803	local $MAP_LOADING{$self->{path}} = $self;
		1804	$f->resolve_delayed_derefs;
1438		1805
1439	$self->{load_path} = $path;	1806	$self->{load_path} = $path;
1440		1807
1441	1	1808	1
1442	}	1809	}
…		…
1481	$self->load_header_orig	1848	$self->load_header_orig
1482	or return;	1849	or return;
1483	$self->prepare_orig;	1850	$self->prepare_orig;
1484	}	1851	}
1485		1852
		1853	$self->{deny_reset} = 1
		1854	if $self->no_reset;
		1855
1486	$self->default_region (cf::region::find_by_path $self->{path})	1856	$self->default_region (cf::region::find_by_path $self->{path})
1487	unless $self->default_region;	1857	unless $self->default_region;
1488		1858
1489	1	1859	1
1490	}	1860	}
…		…
1493	sub find {	1863	sub find {
1494	my ($path, $origin) = @_;	1864	my ($path, $origin) = @_;
1495		1865
1496	$path = normalise $path, $origin && $origin->path;	1866	$path = normalise $path, $origin && $origin->path;
1497		1867
		1868	cf::lock_wait "map_data:$path";#d#remove
1498	cf::lock_wait "map_find:$path";	1869	cf::lock_wait "map_find:$path";
1499		1870
1500	$cf::MAP{$path} || do {	1871	$cf::MAP{$path} || do {
1501	my $guard = cf::lock_acquire "map_find:$path";	1872	my $guard1 = cf::lock_acquire "map_find:$path";
		1873	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1874
1502	my $map = new_from_path cf::map $path	1875	my $map = new_from_path cf::map $path
1503	or return;	1876	or return;
1504		1877
1505	$map->{last_save} = $cf::RUNTIME;	1878	$map->{last_save} = $cf::RUNTIME;
1506		1879
1507	$map->load_header	1880	$map->load_header
1508	or return;	1881	or return;
1509		1882
1510	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1883	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1511	# doing this can freeze the server in a sync job, obviously	1884	# doing this can freeze the server in a sync job, obviously
1512	#$cf::WAIT_FOR_TICK->wait;	1885	#$cf::WAIT_FOR_TICK->wait;
		1886	undef $guard1;
		1887	undef $guard2;
1513	$map->reset;	1888	$map->reset;
1514	undef $guard;
1515	return find $path;	1889	return find $path;
1516	}	1890	}
1517		1891
1518	$cf::MAP{$path} = $map	1892	$cf::MAP{$path} = $map
1519	}	1893	}
…		…
1528	local $self->{deny_reset} = 1; # loading can take a long time	1902	local $self->{deny_reset} = 1; # loading can take a long time
1529		1903
1530	my $path = $self->{path};	1904	my $path = $self->{path};
1531		1905
1532	{	1906	{
1533	my $guard = cf::lock_acquire "map_load:$path";	1907	my $guard = cf::lock_acquire "map_data:$path";
1534		1908
		1909	return unless $self->valid;
1535	return if $self->in_memory != cf::MAP_SWAPPED;	1910	return unless $self->in_memory == cf::MAP_SWAPPED;
1536		1911
1537	$self->in_memory (cf::MAP_LOADING);	1912	$self->in_memory (cf::MAP_LOADING);
1538		1913
1539	$self->alloc;	1914	$self->alloc;
1540		1915
1541	$self->pre_load;	1916	$self->pre_load;
1542	Coro::cede;	1917	cf::cede_to_tick;
1543		1918
		1919	my $f = new_from_file cf::object::thawer $self->{load_path};
		1920	$f->skip_block;
1544	$self->_load_objects ($self->{load_path}, 1)	1921	$self->_load_objects ($f)
1545	or return;	1922	or return;
1546		1923
1547	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1924	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1548	if delete $self->{load_original};	1925	if delete $self->{load_original};
1549		1926
1550	if (my $uniq = $self->uniq_path) {	1927	if (my $uniq = $self->uniq_path) {
1551	utf8::encode $uniq;	1928	utf8::encode $uniq;
1552	if (aio_open $uniq, O_RDONLY, 0) {	1929	unless (aio_stat $uniq) {
		1930	if (my $f = new_from_file cf::object::thawer $uniq) {
1553	$self->clear_unique_items;	1931	$self->clear_unique_items;
1554	$self->_load_objects ($uniq, 0);	1932	$self->_load_objects ($f);
		1933	$f->resolve_delayed_derefs;
		1934	}
1555	}	1935	}
1556	}	1936	}
1557		1937
1558	Coro::cede;	1938	$f->resolve_delayed_derefs;
		1939
		1940	cf::cede_to_tick;
1559	# now do the right thing for maps	1941	# now do the right thing for maps
1560	$self->link_multipart_objects;	1942	$self->link_multipart_objects;
1561	$self->difficulty ($self->estimate_difficulty)	1943	$self->difficulty ($self->estimate_difficulty)
1562	unless $self->difficulty;	1944	unless $self->difficulty;
1563	Coro::cede;	1945	cf::cede_to_tick;
1564		1946
1565	unless ($self->{deny_activate}) {	1947	unless ($self->{deny_activate}) {
1566	$self->decay_objects;	1948	$self->decay_objects;
1567	$self->fix_auto_apply;	1949	$self->fix_auto_apply;
1568	$self->update_buttons;	1950	$self->update_buttons;
1569	Coro::cede;	1951	cf::cede_to_tick;
1570	$self->set_darkness_map;	1952	$self->set_darkness_map;
1571	Coro::cede;	1953	cf::cede_to_tick;
1572	$self->activate;	1954	$self->activate;
1573	}	1955	}
		1956
		1957	$self->{last_save} = $cf::RUNTIME;
		1958	$self->last_access ($cf::RUNTIME);
1574		1959
1575	$self->in_memory (cf::MAP_IN_MEMORY);	1960	$self->in_memory (cf::MAP_IN_MEMORY);
1576	}	1961	}
1577		1962
1578	$self->post_load;	1963	$self->post_load;
…		…
1582	my ($self, $ob) = @_;	1967	my ($self, $ob) = @_;
1583		1968
1584	return find "~" . $ob->name . "/" . $self->{path}	1969	return find "~" . $ob->name . "/" . $self->{path}
1585	if $self->per_player;	1970	if $self->per_player;
1586		1971
		1972	# return find "?party/" . $ob->name . "/" . $self->{path}
		1973	# if $self->per_party;
		1974
1587	$self	1975	$self
1588	}	1976	}
1589		1977
1590	# find and load all maps in the 3x3 area around a map	1978	# find and load all maps in the 3x3 area around a map
1591	sub load_diag {	1979	sub load_neighbours {
1592	my ($map) = @_;	1980	my ($map) = @_;
1593		1981
1594	my @diag; # diagonal neighbours	1982	my @neigh; # diagonal neighbours
1595		1983
1596	for (0 .. 3) {	1984	for (0 .. 3) {
1597	my $neigh = $map->tile_path ($_)	1985	my $neigh = $map->tile_path ($_)
1598	or next;	1986	or next;
1599	$neigh = find $neigh, $map	1987	$neigh = find $neigh, $map
1600	or next;	1988	or next;
1601	$neigh->load;	1989	$neigh->load;
1602		1990
		1991	push @neigh,
1603	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1992	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1604	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1993	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1605	}	1994	}
1606		1995
1607	for (@diag) {	1996	for (grep defined $_->[0], @neigh) {
		1997	my ($path, $origin) = @$_;
1608	my $neigh = find @$_	1998	my $neigh = find $path, $origin
1609	or next;	1999	or next;
1610	$neigh->load;	2000	$neigh->load;
1611	}	2001	}
1612	}	2002	}
1613		2003
…		…
1618	}	2008	}
1619		2009
1620	sub do_load_sync {	2010	sub do_load_sync {
1621	my ($map) = @_;	2011	my ($map) = @_;
1622		2012
		2013	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2014	if $Coro::current == $Coro::main;
		2015
1623	cf::sync_job { $map->load };	2016	cf::sync_job { $map->load };
1624	}	2017	}
1625		2018
1626	our %MAP_PREFETCH;	2019	our %MAP_PREFETCH;
1627	our $MAP_PREFETCHER = undef;	2020	our $MAP_PREFETCHER = undef;
1628		2021
1629	sub find_async {	2022	sub find_async {
1630	my ($path, $origin) = @_;	2023	my ($path, $origin, $load) = @_;
1631		2024
1632	$path = normalise $path, $origin && $origin->{path};	2025	$path = normalise $path, $origin && $origin->{path};
1633		2026
1634	if (my $map = $cf::MAP{$path}) {	2027	if (my $map = $cf::MAP{$path}) {
1635	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2028	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1636	}	2029	}
1637		2030
1638	undef $MAP_PREFETCH{$path};	2031	$MAP_PREFETCH{$path} |= $load;
		2032
1639	$MAP_PREFETCHER ||= cf::async {	2033	$MAP_PREFETCHER ||= cf::async {
1640	while (%MAP_PREFETCH) {	2034	while (%MAP_PREFETCH) {
1641	for my $path (keys %MAP_PREFETCH) {	2035	while (my ($k, $v) = each %MAP_PREFETCH) {
1642	my $map = find $path	2036	if (my $map = find $k) {
1643	or next;
1644	$map->load;	2037	$map->load if $v;
		2038	}
1645		2039
1646	delete $MAP_PREFETCH{$path};	2040	delete $MAP_PREFETCH{$k};
1647	}	2041	}
1648	}	2042	}
1649	undef $MAP_PREFETCHER;	2043	undef $MAP_PREFETCHER;
1650	};	2044	};
1651	$MAP_PREFETCHER->prio (6);	2045	$MAP_PREFETCHER->prio (6);
…		…
1654	}	2048	}
1655		2049
1656	sub save {	2050	sub save {
1657	my ($self) = @_;	2051	my ($self) = @_;
1658		2052
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;	2053	my $lock = cf::lock_acquire "map_data:$self->{path}";
1660		2054
1661	$self->{last_save} = $cf::RUNTIME;	2055	$self->{last_save} = $cf::RUNTIME;
1662		2056
1663	return unless $self->dirty;	2057	return unless $self->dirty;
1664		2058
…		…
1687	my ($self) = @_;	2081	my ($self) = @_;
1688		2082
1689	# save first because save cedes	2083	# save first because save cedes
1690	$self->save;	2084	$self->save;
1691		2085
1692	my $lock = cf::lock_acquire "map_data:" . $self->path;	2086	my $lock = cf::lock_acquire "map_data:$self->{path}";
1693		2087
1694	return if $self->players;	2088	return if $self->players;
1695	return if $self->in_memory != cf::MAP_IN_MEMORY;	2089	return if $self->in_memory != cf::MAP_IN_MEMORY;
1696	return if $self->{deny_save};	2090	return if $self->{deny_save};
1697		2091
		2092	$self->in_memory (cf::MAP_SWAPPED);
		2093
		2094	$self->deactivate;
		2095	$_->clear_links_to ($self) for values %cf::MAP;
1698	$self->clear;	2096	$self->clear;
1699	$self->in_memory (cf::MAP_SWAPPED);
1700	}	2097	}
1701		2098
1702	sub reset_at {	2099	sub reset_at {
1703	my ($self) = @_;	2100	my ($self) = @_;
1704		2101
1705	# TODO: safety, remove and allow resettable per-player maps	2102	# TODO: safety, remove and allow resettable per-player maps
1706	return 1e99 if $self->isa ("ext::map_per_player");#d#
1707	return 1e99 if $self->{deny_reset};	2103	return 1e99 if $self->{deny_reset};
1708		2104
1709	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2105	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1710	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2106	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1711		2107
…		…
1722	my ($self) = @_;	2118	my ($self) = @_;
1723		2119
1724	my $lock = cf::lock_acquire "map_data:$self->{path}";	2120	my $lock = cf::lock_acquire "map_data:$self->{path}";
1725		2121
1726	return if $self->players;	2122	return if $self->players;
1727	return if $self->isa ("ext::map_per_player");#d#
1728		2123
1729	warn "resetting map ", $self->path;#d#	2124	warn "resetting map ", $self->path;
1730		2125
1731	$self->in_memory (cf::MAP_SWAPPED);	2126	$self->in_memory (cf::MAP_SWAPPED);
1732		2127
1733	# need to save uniques path	2128	# need to save uniques path
1734	unless ($self->{deny_save}) {	2129	unless ($self->{deny_save}) {
…		…
1738	if $uniq;	2133	if $uniq;
1739	}	2134	}
1740		2135
1741	delete $cf::MAP{$self->path};	2136	delete $cf::MAP{$self->path};
1742		2137
		2138	$self->deactivate;
		2139	$_->clear_links_to ($self) for values %cf::MAP;
1743	$self->clear;	2140	$self->clear;
1744
1745	$_->clear_links_to ($self) for values %cf::MAP;
1746		2141
1747	$self->unlink_save;	2142	$self->unlink_save;
1748	$self->destroy;	2143	$self->destroy;
1749	}	2144	}
1750		2145
1751	my $nuke_counter = "aaaa";	2146	my $nuke_counter = "aaaa";
1752		2147
1753	sub nuke {	2148	sub nuke {
1754	my ($self) = @_;	2149	my ($self) = @_;
1755		2150
		2151	{
		2152	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2153
1756	delete $cf::MAP{$self->path};	2154	delete $cf::MAP{$self->path};
1757		2155
1758	$self->unlink_save;	2156	$self->unlink_save;
1759		2157
1760	bless $self, "cf::map";	2158	bless $self, "cf::map";
1761	delete $self->{deny_reset};	2159	delete $self->{deny_reset};
1762	$self->{deny_save} = 1;	2160	$self->{deny_save} = 1;
1763	$self->reset_timeout (1);	2161	$self->reset_timeout (1);
1764	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2162	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1765		2163
1766	$cf::MAP{$self->path} = $self;	2164	$cf::MAP{$self->path} = $self;
		2165	}
1767		2166
1768	$self->reset; # polite request, might not happen	2167	$self->reset; # polite request, might not happen
		2168	}
		2169
		2170	=item $maps = cf::map::tmp_maps
		2171
		2172	Returns an arrayref with all map paths of currently instantiated and saved
		2173	maps. May block.
		2174
		2175	=cut
		2176
		2177	sub tmp_maps() {
		2178	[
		2179	map {
		2180	utf8::decode $_;
		2181	/\.map$/
		2182	? normalise $_
		2183	: ()
		2184	} @{ aio_readdir $TMPDIR or [] }
		2185	]
		2186	}
		2187
		2188	=item $maps = cf::map::random_maps
		2189
		2190	Returns an arrayref with all map paths of currently instantiated and saved
		2191	random maps. May block.
		2192
		2193	=cut
		2194
		2195	sub random_maps() {
		2196	[
		2197	map {
		2198	utf8::decode $_;
		2199	/\.map$/
		2200	? normalise "?random/$_"
		2201	: ()
		2202	} @{ aio_readdir $RANDOMDIR or [] }
		2203	]
1769	}	2204	}
1770		2205
1771	=item cf::map::unique_maps	2206	=item cf::map::unique_maps
1772		2207
1773	Returns an arrayref of paths of all shared maps that have	2208	Returns an arrayref of paths of all shared maps that have
1774	instantiated unique items. May block.	2209	instantiated unique items. May block.
1775		2210
1776	=cut	2211	=cut
1777		2212
1778	sub unique_maps() {	2213	sub unique_maps() {
1779	my $files = aio_readdir $UNIQUEDIR	2214	[
1780	or return;	2215	map {
1781
1782	my @paths;
1783
1784	for (@$files) {
1785	utf8::decode $_;	2216	utf8::decode $_;
1786	next if /\.pst$/;	2217	/\.map$/
1787	next unless /^$PATH_SEP/o;	2218	? normalise $_
1788		2219	: ()
1789	push @paths, cf::map::normalise $_;	2220	} @{ aio_readdir $UNIQUEDIR or [] }
1790	}	2221	]
1791
1792	\@paths
1793	}	2222	}
1794		2223
1795	package cf;	2224	package cf;
1796		2225
1797	=back	2226	=back
…		…
1815	map { $_, inv_recursive_ $_->inv } @_	2244	map { $_, inv_recursive_ $_->inv } @_
1816	}	2245	}
1817		2246
1818	sub inv_recursive {	2247	sub inv_recursive {
1819	inv_recursive_ inv $_[0]	2248	inv_recursive_ inv $_[0]
		2249	}
		2250
		2251	=item $ref = $ob->ref
		2252
		2253	creates and returns a persistent reference to an objetc that can be stored as a string.
		2254
		2255	=item $ob = cf::object::deref ($refstring)
		2256
		2257	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2258	even if the object actually exists. May block.
		2259
		2260	=cut
		2261
		2262	sub deref {
		2263	my ($ref) = @_;
		2264
		2265	# temporary compatibility#TODO#remove
		2266	$ref =~ s{^<}{player/<};
		2267
		2268	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2269	my ($uuid, $name) = ($1, $2);
		2270	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2271	or return;
		2272	$pl->ob->uuid eq $uuid
		2273	or return;
		2274
		2275	$pl->ob
		2276	} else {
		2277	warn "$ref: cannot resolve object reference\n";
		2278	undef
		2279	}
1820	}	2280	}
1821		2281
1822	package cf;	2282	package cf;
1823		2283
1824	=back	2284	=back
…		…
1843		2303
1844	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2304	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1845		2305
1846	if ($self->{record_replies}) {	2306	if ($self->{record_replies}) {
1847	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2307	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2308
1848	} else {	2309	} else {
		2310	my $pl = $self->contr;
		2311
		2312	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2313	my $dialog = $pl->{npc_dialog};
		2314	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2315
		2316	} else {
1849	$msg = $npc->name . " says: $msg" if $npc;	2317	$msg = $npc->name . " says: $msg" if $npc;
1850	$self->message ($msg, $flags);	2318	$self->message ($msg, $flags);
		2319	}
1851	}	2320	}
		2321	}
		2322
		2323	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2324
		2325	=cut
		2326
		2327	sub cf::object::send_msg {
		2328	my $pl = shift->contr
		2329	or return;
		2330	$pl->send_msg (@_);
1852	}	2331	}
1853		2332
1854	=item $player_object->may ("access")	2333	=item $player_object->may ("access")
1855		2334
1856	Returns wether the given player is authorized to access resource "access"	2335	Returns wether the given player is authorized to access resource "access"
…		…
1935	# use -1 or undef as default coordinates, not 0, 0	2414	# use -1 or undef as default coordinates, not 0, 0
1936	($x, $y) = ($map->enter_x, $map->enter_y)	2415	($x, $y) = ($map->enter_x, $map->enter_y)
1937	if $x <=0 && $y <= 0;	2416	if $x <=0 && $y <= 0;
1938		2417
1939	$map->load;	2418	$map->load;
1940	$map->load_diag;	2419	$map->load_neighbours;
1941		2420
1942	return unless $self->contr->active;	2421	return unless $self->contr->active;
1943	$self->activate_recursive;	2422	$self->activate_recursive;
1944		2423
1945	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2424	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1946	$self->enter_map ($map, $x, $y);	2425	$self->enter_map ($map, $x, $y);
1947	}	2426	}
1948		2427
1949	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2428	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1950		2429
1951	Moves the player to the given map-path and coordinates by first freezing	2430	Moves the player to the given map-path and coordinates by first freezing
1952	her, loading and preparing them map, calling the provided $check callback	2431	her, loading and preparing them map, calling the provided $check callback
1953	that has to return the map if sucecssful, and then unfreezes the player on	2432	that has to return the map if sucecssful, and then unfreezes the player on
1954	the new (success) or old (failed) map position.	2433	the new (success) or old (failed) map position. In either case, $done will
		2434	be called at the end of this process.
1955		2435
1956	=cut	2436	=cut
1957		2437
1958	our $GOTOGEN;	2438	our $GOTOGEN;
1959		2439
1960	sub cf::object::player::goto {	2440	sub cf::object::player::goto {
1961	my ($self, $path, $x, $y, $check) = @_;	2441	my ($self, $path, $x, $y, $check, $done) = @_;
1962		2442
1963	# do generation counting so two concurrent goto's will be executed in-order	2443	# do generation counting so two concurrent goto's will be executed in-order
1964	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2444	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1965		2445
1966	$self->enter_link;	2446	$self->enter_link;
…		…
1986		2466
1987	if ($gen == $self->{_goto_generation}) {	2467	if ($gen == $self->{_goto_generation}) {
1988	delete $self->{_goto_generation};	2468	delete $self->{_goto_generation};
1989	$self->leave_link ($map, $x, $y);	2469	$self->leave_link ($map, $x, $y);
1990	}	2470	}
		2471
		2472	$done->() if $done;
1991	})->prio (1);	2473	})->prio (1);
1992	}	2474	}
1993		2475
1994	=item $player_object->enter_exit ($exit_object)	2476	=item $player_object->enter_exit ($exit_object)
1995		2477
…		…
2064	my $hp = $exit->stats->hp;	2546	my $hp = $exit->stats->hp;
2065	my $sp = $exit->stats->sp;	2547	my $sp = $exit->stats->sp;
2066		2548
2067	$self->enter_link;	2549	$self->enter_link;
2068		2550
		2551	# if exit is damned, update players death & WoR home-position
		2552	$self->contr->savebed ($slaying, $hp, $sp)
		2553	if $exit->flag (FLAG_DAMNED);
		2554
2069	(async {	2555	(async {
2070	$self->deactivate_recursive; # just to be sure	2556	$self->deactivate_recursive; # just to be sure
2071	unless (eval {	2557	unless (eval {
2072	$self->goto ($slaying, $hp, $sp);	2558	$self->goto ($slaying, $hp, $sp);
2073		2559
…		…
2100		2586
2101	utf8::encode $text;	2587	utf8::encode $text;
2102	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2588	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2103	}	2589	}
2104		2590
		2591	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2592
		2593	Send a drawinfo or msg packet to the client, formatting the msg for the
		2594	client if neccessary. C<$type> should be a string identifying the type of
		2595	the message, with C<log> being the default. If C<$color> is negative, suppress
		2596	the message unless the client supports the msg packet.
		2597
		2598	=cut
		2599
		2600	our %CHANNEL = (
		2601	"c/identify" => {
		2602	id => "identify",
		2603	title => "Identify",
		2604	reply => undef,
		2605	tooltip => "Items recently identified",
		2606	},
		2607	"c/examine" => {
		2608	id => "examine",
		2609	title => "Examine",
		2610	reply => undef,
		2611	tooltip => "Signs and other items you examined",
		2612	},
		2613	);
		2614
		2615	sub cf::client::send_msg {
		2616	my ($self, $channel, $msg, $color, @extra) = @_;
		2617
		2618	$msg = $self->pl->expand_cfpod ($msg);
		2619
		2620	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2621
		2622	# check predefined channels, for the benefit of C
		2623	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2624
		2625	if (ref $channel) {
		2626	# send meta info to client, if not yet sent
		2627	unless (exists $self->{channel}{$channel->{id}}) {
		2628	$self->{channel}{$channel->{id}} = $channel;
		2629	$self->ext_msg (channel_info => $channel)
		2630	if $self->can_msg;
		2631	}
		2632
		2633	$channel = $channel->{id};
		2634	}
		2635
		2636	return unless @extra || length $msg;
		2637
		2638	if ($self->can_msg) {
		2639	# default colour, mask it out
		2640	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2641	if $color & cf::NDI_DEF;
		2642
		2643	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2644	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2645	} else {
		2646	if ($color >= 0) {
		2647	# replace some tags by gcfclient-compatible ones
		2648	for ($msg) {
		2649	1 while
		2650	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2651	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2652	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2653	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2654	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2655	}
		2656
		2657	$color &= cf::NDI_COLOR_MASK;
		2658
		2659	utf8::encode $msg;
		2660
		2661	if (0 && $msg =~ /\[/) {
		2662	# COMMAND/INFO
		2663	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2664	} else {
		2665	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2666	$self->send_packet ("drawinfo $color $msg")
		2667	}
		2668	}
		2669	}
		2670	}
		2671
2105	=item $client->ext_event ($type, %msg)	2672	=item $client->ext_msg ($type, @msg)
2106		2673
2107	Sends an exti event to the client.	2674	Sends an ext event to the client.
2108		2675
2109	=cut	2676	=cut
2110		2677
2111	sub cf::client::ext_event($$%) {	2678	sub cf::client::ext_msg($$@) {
2112	my ($self, $type, %msg) = @_;	2679	my ($self, $type, @msg) = @_;
2113		2680
		2681	if ($self->extcmd == 2) {
		2682	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2683	} elsif ($self->extcmd == 1) { # TODO: remove
2114	$msg{msgtype} = "event_$type";	2684	push @msg, msgtype => "event_$type";
2115	$self->send_packet ("ext " . cf::to_json \%msg);	2685	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2686	}
		2687	}
		2688
		2689	=item $client->ext_reply ($msgid, @msg)
		2690
		2691	Sends an ext reply to the client.
		2692
		2693	=cut
		2694
		2695	sub cf::client::ext_reply($$@) {
		2696	my ($self, $id, @msg) = @_;
		2697
		2698	if ($self->extcmd == 2) {
		2699	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2700	} elsif ($self->extcmd == 1) {
		2701	#TODO: version 1, remove
		2702	unshift @msg, msgtype => "reply", msgid => $id;
		2703	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2704	}
2116	}	2705	}
2117		2706
2118	=item $success = $client->query ($flags, "text", \&cb)	2707	=item $success = $client->query ($flags, "text", \&cb)
2119		2708
2120	Queues a query to the client, calling the given callback with	2709	Queues a query to the client, calling the given callback with
2121	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2710	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2122	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2711	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2123		2712
2124	Queries can fail, so check the return code. Or don't, as queries will become	2713	Queries can fail, so check the return code. Or don't, as queries will
2125	reliable at some point in the future.	2714	become reliable at some point in the future.
2126		2715
2127	=cut	2716	=cut
2128		2717
2129	sub cf::client::query {	2718	sub cf::client::query {
2130	my ($self, $flags, $text, $cb) = @_;	2719	my ($self, $flags, $text, $cb) = @_;
…		…
2138	utf8::encode $text;	2727	utf8::encode $text;
2139	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2728	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2140		2729
2141	$self->send_packet ($self->{query_queue}[0][0])	2730	$self->send_packet ($self->{query_queue}[0][0])
2142	if @{ $self->{query_queue} } == 1;	2731	if @{ $self->{query_queue} } == 1;
		2732
		2733	1
2143	}	2734	}
2144		2735
2145	cf::client->attach (	2736	cf::client->attach (
		2737	on_connect => sub {
		2738	my ($ns) = @_;
		2739
		2740	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2741	},
2146	on_reply => sub {	2742	on_reply => sub {
2147	my ($ns, $msg) = @_;	2743	my ($ns, $msg) = @_;
2148		2744
2149	# this weird shuffling is so that direct followup queries	2745	# this weird shuffling is so that direct followup queries
2150	# get handled first	2746	# get handled first
…		…
2162	} else {	2758	} else {
2163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2759	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2164	}	2760	}
2165	}	2761	}
2166	},	2762	},
		2763	on_exticmd => sub {
		2764	my ($ns, $buf) = @_;
		2765
		2766	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2767
		2768	if (ref $msg) {
		2769	my ($type, $reply, @payload) =
		2770	"ARRAY" eq ref $msg
		2771	? @$msg
		2772	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2773
		2774	my @reply;
		2775
		2776	if (my $cb = $EXTICMD{$type}) {
		2777	@reply = $cb->($ns, @payload);
		2778	}
		2779
		2780	$ns->ext_reply ($reply, @reply)
		2781	if $reply;
		2782
		2783	} else {
		2784	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2785	}
		2786
		2787	cf::override;
		2788	},
2167	);	2789	);
2168		2790
2169	=item $client->async (\&cb)	2791	=item $client->async (\&cb)
2170		2792
2171	Create a new coroutine, running the specified callback. The coroutine will	2793	Create a new coroutine, running the specified callback. The coroutine will
…		…
2212	our $safe = new Safe "safe";	2834	our $safe = new Safe "safe";
2213	our $safe_hole = new Safe::Hole;	2835	our $safe_hole = new Safe::Hole;
2214		2836
2215	$SIG{FPE} = 'IGNORE';	2837	$SIG{FPE} = 'IGNORE';
2216		2838
2217	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2839	$safe->permit_only (Opcode::opset qw(
		2840	:base_core :base_mem :base_orig :base_math
		2841	grepstart grepwhile mapstart mapwhile
		2842	sort time
		2843	));
2218		2844
2219	# here we export the classes and methods available to script code	2845	# here we export the classes and methods available to script code
2220		2846
2221	=pod	2847	=pod
2222		2848
2223	The following functions and methods are available within a safe environment:	2849	The following functions and methods are available within a safe environment:
2224		2850
2225	cf::object contr pay_amount pay_player map	2851	cf::object
		2852	contr pay_amount pay_player map x y force_find force_add
		2853	insert remove name archname title slaying race decrease_ob_nr
		2854
2226	cf::object::player player	2855	cf::object::player
2227	cf::player peaceful	2856	player
2228	cf::map trigger	2857
		2858	cf::player
		2859	peaceful
		2860
		2861	cf::map
		2862	trigger
2229		2863
2230	=cut	2864	=cut
2231		2865
2232	for (	2866	for (
2233	["cf::object" => qw(contr pay_amount pay_player map)],	2867	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2868	insert remove inv name archname title slaying race
		2869	decrease_ob_nr)],
2234	["cf::object::player" => qw(player)],	2870	["cf::object::player" => qw(player)],
2235	["cf::player" => qw(peaceful)],	2871	["cf::player" => qw(peaceful)],
2236	["cf::map" => qw(trigger)],	2872	["cf::map" => qw(trigger)],
2237	) {	2873	) {
2238	no strict 'refs';	2874	no strict 'refs';
…		…
2309	=back	2945	=back
2310		2946
2311	=cut	2947	=cut
2312		2948
2313	#############################################################################	2949	#############################################################################
2314
2315	=head2 EXTENSION DATABASE SUPPORT
2316
2317	Crossfire maintains a very simple database for extension use. It can
2318	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2319	convert to/from binary).
2320
2321	The parameter C<$family> should best start with the name of the extension
2322	using it, it should be unique.
2323
2324	=over 4
2325
2326	=item $value = cf::db_get $family => $key
2327
2328	Returns a single value from the database.
2329
2330	=item cf::db_put $family => $key => $value
2331
2332	Stores the given C<$value> in the family.
2333
2334	=cut
2335
2336	our $DB;
2337
2338	sub db_init {
2339	unless ($DB) {
2340	$DB = BDB::db_create $DB_ENV;
2341
2342	cf::sync_job {
2343	eval {
2344	$DB->set_flags (BDB::CHKSUM);
2345
2346	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2347	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2348	cf::cleanup "db_open(db): $!" if $!;
2349	};
2350	cf::cleanup "db_open(db): $@" if $@;
2351	};
2352	}
2353	}
2354
2355	sub db_get($$) {
2356	my $key = "$_[0]/$_[1]";
2357
2358	cf::sync_job {
2359	BDB::db_get $DB, undef, $key, my $data;
2360
2361	$! ? ()
2362	: $data
2363	}
2364	}
2365
2366	sub db_put($$$) {
2367	BDB::dbreq_pri 4;
2368	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2369	}
2370
2371	=item cf::cache $id => [$paths...], $processversion => $process
2372
2373	Generic caching function that returns the value of the resource $id,
2374	caching and regenerating as required.
2375
2376	This function can block.
2377
2378	=cut
2379
2380	sub cache {
2381	my ($id, $src, $processversion, $process) = @_;
2382
2383	my $meta =
2384	join "\x00",
2385	$processversion,
2386	map {
2387	aio_stat $_
2388	and Carp::croak "$_: $!";
2389
2390	($_, (stat _)[7,9])
2391	} @$src;
2392
2393	my $dbmeta = db_get cache => "$id/meta";
2394	if ($dbmeta ne $meta) {
2395	# changed, we may need to process
2396
2397	my @data;
2398	my $md5;
2399
2400	for (0 .. $#$src) {
2401	0 <= aio_load $src->[$_], $data[$_]
2402	or Carp::croak "$src->[$_]: $!";
2403	}
2404
2405	# if processing is expensive, check
2406	# checksum first
2407	if (1) {
2408	$md5 =
2409	join "\x00",
2410	$processversion,
2411	map {
2412	Coro::cede;
2413	($src->[$_], Digest::MD5::md5_hex $data[$_])
2414	} 0.. $#$src;
2415
2416
2417	my $dbmd5 = db_get cache => "$id/md5";
2418	if ($dbmd5 eq $md5) {
2419	db_put cache => "$id/meta", $meta;
2420
2421	return db_get cache => "$id/data";
2422	}
2423	}
2424
2425	my $t1 = Time::HiRes::time;
2426	my $data = $process->(\@data);
2427	my $t2 = Time::HiRes::time;
2428
2429	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2430
2431	db_put cache => "$id/data", $data;
2432	db_put cache => "$id/md5" , $md5;
2433	db_put cache => "$id/meta", $meta;
2434
2435	return $data;
2436	}
2437
2438	db_get cache => "$id/data"
2439	}
2440
2441	=item fork_call { }, $args
2442
2443	Executes the given code block with the given arguments in a seperate
2444	process, returning the results. Everything must be serialisable with
2445	Coro::Storable. May, of course, block. Note that the executed sub may
2446	never block itself or use any form of Event handling.
2447
2448	=cut
2449
2450	sub fork_call(&@) {
2451	my ($cb, @args) = @_;
2452
2453	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2454	# or die "socketpair: $!";
2455	pipe my $fh1, my $fh2
2456	or die "pipe: $!";
2457
2458	if (my $pid = fork) {
2459	close $fh2;
2460
2461	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2462	$res = Coro::Storable::thaw $res;
2463
2464	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2465
2466	die $$res unless "ARRAY" eq ref $res;
2467
2468	return wantarray ? @$res : $res->[-1];
2469	} else {
2470	reset_signals;
2471	local $SIG{__WARN__};
2472	local $SIG{__DIE__};
2473	eval {
2474	close $fh1;
2475
2476	my @res = eval { $cb->(@args) };
2477	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2478	};
2479
2480	warn $@ if $@;
2481	_exit 0;
2482	}
2483	}
2484
2485	#############################################################################
2486	# the server's init and main functions	2950	# the server's init and main functions
2487		2951
2488	sub load_facedata($) {	2952	sub load_facedata($) {
2489	my ($path) = @_;	2953	my ($path) = @_;
		2954
		2955	# HACK to clear player env face cache, we need some signal framework
		2956	# for this (global event?)
		2957	%ext::player_env::MUSIC_FACE_CACHE = ();
		2958
		2959	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2490		2960
2491	warn "loading facedata from $path\n";	2961	warn "loading facedata from $path\n";
2492		2962
2493	my $facedata;	2963	my $facedata;
2494	0 < aio_load $path, $facedata	2964	0 < aio_load $path, $facedata
…		…
2497	$facedata = Coro::Storable::thaw $facedata;	2967	$facedata = Coro::Storable::thaw $facedata;
2498		2968
2499	$facedata->{version} == 2	2969	$facedata->{version} == 2
2500	or cf::cleanup "$path: version mismatch, cannot proceed.";	2970	or cf::cleanup "$path: version mismatch, cannot proceed.";
2501		2971
		2972	# patch in the exptable
		2973	$facedata->{resource}{"res/exp_table"} = {
		2974	type => FT_RSRC,
		2975	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2976	};
		2977	cf::cede_to_tick;
		2978
2502	{	2979	{
2503	my $faces = $facedata->{faceinfo};	2980	my $faces = $facedata->{faceinfo};
2504		2981
2505	while (my ($face, $info) = each %$faces) {	2982	while (my ($face, $info) = each %$faces) {
2506	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2983	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2984	cf::face::set_visibility $idx, $info->{visibility};
		2985	cf::face::set_magicmap $idx, $info->{magicmap};
2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2986	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2987	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2510	Coro::cede;	2988
		2989	cf::cede_to_tick;
2511	}	2990	}
2512		2991
2513	while (my ($face, $info) = each %$faces) {	2992	while (my ($face, $info) = each %$faces) {
2514	next unless $info->{smooth};	2993	next unless $info->{smooth};
2515	my $idx = cf::face::find $face	2994	my $idx = cf::face::find $face
2516	or next;	2995	or next;
2517	if (my $smooth = cf::face::find $info->{smooth}) {	2996	if (my $smooth = cf::face::find $info->{smooth}) {
		2997	cf::face::set_smooth $idx, $smooth;
2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2998	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519	} else {	2999	} else {
2520	warn "smooth face '$info->{smooth}' not found for face '$face'";	3000	warn "smooth face '$info->{smooth}' not found for face '$face'";
2521	}	3001	}
2522	Coro::cede;	3002
		3003	cf::cede_to_tick;
2523	}	3004	}
2524	}	3005	}
2525		3006
2526	{	3007	{
2527	my $anims = $facedata->{animinfo};	3008	my $anims = $facedata->{animinfo};
2528		3009
2529	while (my ($anim, $info) = each %$anims) {	3010	while (my ($anim, $info) = each %$anims) {
2530	cf::anim::set $anim, $info->{frames}, $info->{facings};	3011	cf::anim::set $anim, $info->{frames}, $info->{facings};
2531	Coro::cede;	3012	cf::cede_to_tick;
2532	}	3013	}
2533		3014
2534	cf::anim::invalidate_all; # d'oh	3015	cf::anim::invalidate_all; # d'oh
2535	}	3016	}
2536		3017
		3018	{
		3019	# TODO: for gcfclient pleasure, we should give resources
		3020	# that gcfclient doesn't grok a >10000 face index.
		3021	my $res = $facedata->{resource};
		3022
		3023	my $soundconf = delete $res->{"res/sound.conf"};
		3024
		3025	while (my ($name, $info) = each %$res) {
		3026	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3027	my $data;
		3028
		3029	if ($info->{type} & 1) {
		3030	# prepend meta info
		3031
		3032	my $meta = $enc->encode ({
		3033	name => $name,
		3034	%{ $info->{meta} || {} },
		3035	});
		3036
		3037	$data = pack "(w/a*)*", $meta, $info->{data};
		3038	} else {
		3039	$data = $info->{data};
		3040	}
		3041
		3042	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3043	cf::face::set_type $idx, $info->{type};
		3044
		3045	cf::cede_to_tick;
		3046	}
		3047
		3048	if ($soundconf) {
		3049	$soundconf = $enc->decode (delete $soundconf->{data});
		3050
		3051	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3052	my $sound = $soundconf->{compat}[$_]
		3053	or next;
		3054
		3055	my $face = cf::face::find "sound/$sound->[1]";
		3056	cf::sound::set $sound->[0] => $face;
		3057	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3058	}
		3059
		3060	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3061	my $face = cf::face::find "sound/$v";
		3062	cf::sound::set $k => $face;
		3063	}
		3064	}
		3065	}
		3066
2537	1	3067	1
2538	}	3068	}
2539		3069
		3070	register_exticmd fx_want => sub {
		3071	my ($ns, $want) = @_;
		3072
		3073	while (my ($k, $v) = each %$want) {
		3074	$ns->fx_want ($k, $v);
		3075	}
		3076	};
		3077
2540	sub reload_regions {	3078	sub reload_regions {
		3079	# HACK to clear player env face cache, we need some signal framework
		3080	# for this (global event?)
		3081	%ext::player_env::MUSIC_FACE_CACHE = ();
		3082
2541	load_resource_file "$MAPDIR/regions"	3083	load_resource_file "$MAPDIR/regions"
2542	or die "unable to load regions file\n";	3084	or die "unable to load regions file\n";
		3085
		3086	for (cf::region::list) {
		3087	$_->{match} = qr/$_->{match}/
		3088	if exists $_->{match};
		3089	}
2543	}	3090	}
2544		3091
2545	sub reload_facedata {	3092	sub reload_facedata {
2546	load_facedata "$DATADIR/facedata"	3093	load_facedata "$DATADIR/facedata"
2547	or die "unable to load facedata\n";	3094	or die "unable to load facedata\n";
2548	}	3095	}
2549		3096
2550	sub reload_archetypes {	3097	sub reload_archetypes {
2551	load_resource_file "$DATADIR/archetypes"	3098	load_resource_file "$DATADIR/archetypes"
2552	or die "unable to load archetypes\n";	3099	or die "unable to load archetypes\n";
		3100	#d# NEED to laod twice to resolve forward references
		3101	# this really needs to be done in an extra post-pass
		3102	# (which needs to be synchronous, so solve it differently)
		3103	load_resource_file "$DATADIR/archetypes"
		3104	or die "unable to load archetypes\n";
2553	}	3105	}
2554		3106
2555	sub reload_treasures {	3107	sub reload_treasures {
2556	load_resource_file "$DATADIR/treasures"	3108	load_resource_file "$DATADIR/treasures"
2557	or die "unable to load treasurelists\n";	3109	or die "unable to load treasurelists\n";
…		…
2560	sub reload_resources {	3112	sub reload_resources {
2561	warn "reloading resource files...\n";	3113	warn "reloading resource files...\n";
2562		3114
2563	reload_regions;	3115	reload_regions;
2564	reload_facedata;	3116	reload_facedata;
		3117	#reload_archetypes;#d#
2565	reload_archetypes;	3118	reload_archetypes;
2566	reload_treasures;	3119	reload_treasures;
2567		3120
2568	warn "finished reloading resource files\n";	3121	warn "finished reloading resource files\n";
2569	}	3122	}
2570		3123
2571	sub init {	3124	sub init {
2572	reload_resources;	3125	reload_resources;
2573	}	3126	}
2574		3127
2575	sub cfg_load {	3128	sub reload_config {
2576	open my $fh, "<:utf8", "$CONFDIR/config"	3129	open my $fh, "<:utf8", "$CONFDIR/config"
2577	or return;	3130	or return;
2578		3131
2579	local $/;	3132	local $/;
2580	*CFG = YAML::Syck::Load <$fh>;	3133	*CFG = YAML::Syck::Load <$fh>;
…		…
2600	(async {	3153	(async {
2601	Event::one_event;	3154	Event::one_event;
2602	})->prio (Coro::PRIO_MAX);	3155	})->prio (Coro::PRIO_MAX);
2603	};	3156	};
2604		3157
2605	cfg_load;	3158	reload_config;
2606	db_init;	3159	db_init;
2607	load_extensions;	3160	load_extensions;
2608		3161
2609	$TICK_WATCHER->start;	3162	$TICK_WATCHER->start;
2610	Event::loop;	3163	Event::loop;
…		…
2626	},	3179	},
2627	);	3180	);
2628	}	3181	}
2629	}	3182	}
2630		3183
		3184	sub write_runtime {
		3185	my $runtime = "$LOCALDIR/runtime";
		3186
		3187	# first touch the runtime file to show we are still running:
		3188	# the fsync below can take a very very long time.
		3189
		3190	IO::AIO::aio_utime $runtime, undef, undef;
		3191
		3192	my $guard = cf::lock_acquire "write_runtime";
		3193
		3194	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3195	or return;
		3196
		3197	my $value = $cf::RUNTIME + 90 + 10;
		3198	# 10 is the runtime save interval, for a monotonic clock
		3199	# 60 allows for the watchdog to kill the server.
		3200
		3201	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3202	and return;
		3203
		3204	# always fsync - this file is important
		3205	aio_fsync $fh
		3206	and return;
		3207
		3208	# touch it again to show we are up-to-date
		3209	aio_utime $fh, undef, undef;
		3210
		3211	close $fh
		3212	or return;
		3213
		3214	aio_rename "$runtime~", $runtime
		3215	and return;
		3216
		3217	warn "runtime file written.\n";
		3218
		3219	1
		3220	}
		3221
2631	sub emergency_save() {	3222	sub emergency_save() {
2632	my $freeze_guard = cf::freeze_mainloop;	3223	my $freeze_guard = cf::freeze_mainloop;
2633		3224
2634	warn "enter emergency perl save\n";	3225	warn "enter emergency perl save\n";
2635		3226
…		…
2710	%EXT_CORO = ();	3301	%EXT_CORO = ();
2711		3302
2712	warn "removing commands";	3303	warn "removing commands";
2713	%COMMAND = ();	3304	%COMMAND = ();
2714		3305
2715	warn "removing ext commands";	3306	warn "removing ext/exti commands";
2716	%EXTCMD = ();	3307	%EXTCMD = ();
		3308	%EXTICMD = ();
2717		3309
2718	warn "unloading/nuking all extensions";	3310	warn "unloading/nuking all extensions";
2719	for my $pkg (@EXTS) {	3311	for my $pkg (@EXTS) {
2720	warn "... unloading $pkg";	3312	warn "... unloading $pkg";
2721		3313
…		…
2764	warn "reloading cf.pm";	3356	warn "reloading cf.pm";
2765	require cf;	3357	require cf;
2766	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3358	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2767		3359
2768	warn "loading config and database again";	3360	warn "loading config and database again";
2769	cf::cfg_load;	3361	cf::reload_config;
2770		3362
2771	warn "loading extensions";	3363	warn "loading extensions";
2772	cf::load_extensions;	3364	cf::load_extensions;
2773		3365
2774	warn "reattaching attachments to objects/players";	3366	warn "reattaching attachments to objects/players";
…		…
2867	or die;	3459	or die;
2868		3460
2869	$map->width (50);	3461	$map->width (50);
2870	$map->height (50);	3462	$map->height (50);
2871	$map->alloc;	3463	$map->alloc;
2872	$map->_load_objects ("/tmp/x.map", 1);	3464	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
2873	my $t = Event::time - $t;	3465	my $t = Event::time - $t;
2874		3466
2875	#next unless $t < 0.0013;#d#	3467	#next unless $t < 0.0013;#d#
2876	if ($t < $min) {	3468	if ($t < $min) {
2877	$min = $t;	3469	$min = $t;

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