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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.272 by root, Sun Jun 3 15:32:50 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
…		…
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
…		…
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.
258		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		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 $string
263		284
264	Return true if the lock is currently active, i.e. somebody has locked it.	285	Return true if the lock is currently active, i.e. somebody has locked it.
265		286
266	=cut	287	=cut
267		288
268	our %LOCK;	289	our %LOCK;
		290	our %LOCKER;#d#
269		291
270	sub lock_wait($) {	292	sub lock_wait($) {
271	my ($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#
272		299
273	# wait for lock, if any	300	# wait for lock, if any
274	while ($LOCK{$key}) {	301	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;	302	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;	303	Coro::schedule;
…		…
282		309
283	# wait, to be sure we are not locked	310	# wait, to be sure we are not locked
284	lock_wait $key;	311	lock_wait $key;
285		312
286	$LOCK{$key} = [];	313	$LOCK{$key} = [];
		314	$LOCKER{$key} = $Coro::current;#d#
287		315
288	Coro::guard {	316	Coro::guard {
		317	delete $LOCKER{$key};#d#
289	# wake up all waiters, to be on the safe side	318	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };	319	$_->ready for @{ delete $LOCK{$key} };
291	}	320	}
292	}	321	}
293		322
…		…
305	};	334	};
306	$TICK_WATCHER->stop;	335	$TICK_WATCHER->stop;
307	$guard	336	$guard
308	}	337	}
309		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
310	=item cf::async { BLOCK }	395	=item cf::async { BLOCK }
311		396
312	Currently the same as Coro::async_pool, meaning you cannot use	397	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	398	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.	399	thing you are allowed to do is call C<prio> on it.
…		…
317		402
318	BEGIN { *async = \&Coro::async_pool }	403	BEGIN { *async = \&Coro::async_pool }
319		404
320	=item cf::sync_job { BLOCK }	405	=item cf::sync_job { BLOCK }
321		406
322	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)
323	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
324	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.
325		411
326	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
327	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
328	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
329	fast or be very important.	415	fast or be very important.
…		…
389	$EXT_CORO{$coro+0} = $coro;	475	$EXT_CORO{$coro+0} = $coro;
390		476
391	$coro	477	$coro
392	}	478	}
393		479
394	sub write_runtime {	480	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		481
397	# first touch the runtime file to show we are still running:	482	Executes the given code block with the given arguments in a seperate
398	# 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.
399		486
400	IO::AIO::aio_utime $runtime, undef, undef;	487	=cut
401		488
402	my $guard = cf::lock_acquire "write_runtime";	489	sub fork_call(&@) {
		490	my ($cb, @args) = @_;
403		491
404	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	492	# we seemingly have to make a local copy of the whole thing,
405	or return;	493	# otherwise perl prematurely frees the stuff :/
		494	# TODO: investigate and fix (likely this will be rather laborious)
406		495
407	my $value = $cf::RUNTIME + 90 + 10;	496	my @res = Coro::Util::fork_eval {
408	# 10 is the runtime save interval, for a monotonic clock	497	reset_signals;
409	# 60 allows for the watchdog to kill the server.	498	&$cb
		499	}, @args;
410		500
411	(aio_write $fh, 0, (length $value), $value, 0) <= 0	501	wantarray ? @res : $res[-1]
412	and return;	502	}
413		503
414	# always fsync - this file is important	504	=item $value = cf::db_get $family => $key
415	aio_fsync $fh
416	and return;
417		505
418	# touch it again to show we are up-to-date	506	Returns a single value from the environment database.
419	aio_utime $fh, undef, undef;
420		507
421	close $fh	508	=item cf::db_put $family => $key => $value
422	or return;
423		509
424	aio_rename "$runtime~", $runtime	510	Stores the given C<$value> in the family. It can currently store binary
425	and return;	511	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
426		512
427	warn "runtime file written.\n";#d#	513	=cut
428		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	};
429	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"
430	}	618	}
431		619
432	=item cf::datalog type => key => value, ...	620	=item cf::datalog type => key => value, ...
433		621
434	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.
…		…
452	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")
453	to it. All such attachable objects support the following methods.	641	to it. All such attachable objects support the following methods.
454		642
455	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>
456	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
457	crossfire+).	645	Crossfire TRT).
458		646
459	=over 4	647	=over 4
460		648
461	=item $attachable->attach ($attachment, key => $value...)	649	=item $attachable->attach ($attachment, key => $value...)
462		650
…		…
664	_attach $registry, $klass, @attach;	852	_attach $registry, $klass, @attach;
665	}	853	}
666		854
667	$obj->{$name} = \%arg;	855	$obj->{$name} = \%arg;
668	} else {	856	} else {
669	warn "object uses attachment '$name' that is not available, postponing.\n";	857	warn "object uses attachment '$name' which is not available, postponing.\n";
670	}	858	}
671		859
672	$obj->{_attachment}{$name} = undef;	860	$obj->{_attachment}{$name} = undef;
673	}	861	}
674		862
…		…
714	";	902	";
715	die if $@;	903	die if $@;
716	}	904	}
717		905
718	our $override;	906	our $override;
719	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?
720		908
721	sub override {	909	sub override {
722	$override = 1;	910	$override = 1;
723	@invoke_results = ();	911	@INVOKE_RESULTS = (@_);
724	}	912	}
725		913
726	sub do_invoke {	914	sub do_invoke {
727	my $event = shift;	915	my $event = shift;
728	my $callbacks = shift;	916	my $callbacks = shift;
729		917
730	@invoke_results = ();	918	@INVOKE_RESULTS = ();
731		919
732	local $override;	920	local $override;
733		921
734	for (@$callbacks) {	922	for (@$callbacks) {
735	eval { &{$_->[1]} };	923	eval { &{$_->[1]} };
…		…
752		940
753	Generate an object-specific event with the given arguments.	941	Generate an object-specific event with the given arguments.
754		942
755	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
756	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
757	results (if you must, access C<@cf::invoke_results> directly).	945	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		946
759	=back	947	=back
760		948
761	=cut	949	=cut
762		950
763	#############################################################################	951	#############################################################################
764	# 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	}
765		964
766	sub reattach {	965	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	966	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	967	my ($obj) = @_;
769		968
…		…
813	},	1012	},
814	);	1013	);
815		1014
816	sub object_freezer_save {	1015	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1016	my ($filename, $rdata, $objs) = @_;
		1017
		1018	my $guard = cf::lock_acquire "io";
818		1019
819	sync_job {	1020	sync_job {
820	if (length $$rdata) {	1021	if (length $$rdata) {
821	warn sprintf "saving %s (%d,%d)\n",	1022	warn sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1023	$filename, length $$rdata, scalar @$objs;
…		…
846	}	1047	}
847	} else {	1048	} else {
848	aio_unlink $filename;	1049	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1050	aio_unlink "$filename.pst";
850	}	1051	}
851	}	1052	};
		1053
		1054	undef $guard;
852	}	1055	}
853		1056
854	sub object_freezer_as_string {	1057	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1058	my ($rdata, $objs) = @_;
856		1059
…		…
861		1064
862	sub object_thawer_load {	1065	sub object_thawer_load {
863	my ($filename) = @_;	1066	my ($filename) = @_;
864		1067
865	my ($data, $av);	1068	my ($data, $av);
		1069
		1070	my $guard = cf::lock_acquire "io";
866		1071
867	(aio_load $filename, $data) >= 0	1072	(aio_load $filename, $data) >= 0
868	or return;	1073	or return;
869		1074
870	unless (aio_stat "$filename.pst") {	1075	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1076	(aio_load "$filename.pst", $av) >= 0
872	or return;	1077	or return;
		1078
		1079	undef $guard;
873	$av = eval { (Storable::thaw $av)->{objs} };	1080	$av = eval { (Storable::thaw $av)->{objs} };
874	}	1081	}
875		1082
876	warn sprintf "loading %s (%d)\n",	1083	warn sprintf "loading %s (%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1084	$filename, length $data, scalar @{$av || []};
		1085
878	return ($data, $av);	1086	($data, $av)
879	}	1087	}
		1088
		1089	=head2 COMMAND CALLBACKS
		1090
		1091	=over 4
		1092
		1093	=cut
880		1094
881	#############################################################################	1095	#############################################################################
882	# command handling &c	1096	# command handling &c
883		1097
884	=item cf::register_command $name => \&callback($ob,$args);	1098	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1111	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1112	}
899		1113
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1114	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1115
902	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.
903		1121
904	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
905	called.	1123	called.
906		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
907	=cut	1136	=cut
908		1137
909	sub register_extcmd {	1138	sub register_extcmd {
910	my ($name, $cb) = @_;	1139	my ($name, $cb) = @_;
911		1140
912	$EXTCMD{$name} = $cb;	1141	$EXTCMD{$name} = $cb;
		1142	}
		1143
		1144	sub register_exticmd {
		1145	my ($name, $cb) = @_;
		1146
		1147	$EXTICMD{$name} = $cb;
913	}	1148	}
914		1149
915	cf::player->attach (	1150	cf::player->attach (
916	on_command => sub {	1151	on_command => sub {
917	my ($pl, $name, $params) = @_;	1152	my ($pl, $name, $params) = @_;
…		…
926	cf::override;	1161	cf::override;
927	},	1162	},
928	on_extcmd => sub {	1163	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1164	my ($pl, $buf) = @_;
930		1165
931	my $msg = eval { from_json $buf };	1166	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1167
933	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
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1176	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1177	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1178	}
		1179
		1180	$pl->ext_reply ($reply, @reply)
		1181	if $reply;
		1182
939	} else {	1183	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1184	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1185	}
942		1186
943	cf::override;	1187	cf::override;
944	},	1188	},
945	);	1189	);
946		1190
947	sub load_extension {
948	my ($path) = @_;
949
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
951	my $base = $1;
952	my $pkg = $1;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955
956	warn "... loading '$path' into '$pkg'\n";
957
958	open my $fh, "<:utf8", $path
959	or die "$path: $!";
960
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	unless (eval $source) {
968	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	warn $@;
972	warn "mandatory extension failed to load, exiting.\n";
973	exit 1;
974	}
975	die $@;
976	}
977
978	push @EXTS, $pkg;
979	}
980
981	sub load_extensions {	1191	sub load_extensions {
		1192	cf::sync_job {
		1193	my %todo;
		1194
982	for my $ext (<$LIBDIR/*.ext>) {	1195	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1196	next unless -r $path;
984	eval {	1197
985	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;
986	1	1255	}
987	} or warn "$ext not loaded: $@";	1256
		1257	skip:
		1258	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1259	unless $progress;
		1260	}
988	}	1261	};
989	}	1262	}
990		1263
991	#############################################################################	1264	#############################################################################
992		1265
		1266	=back
		1267
993	=head2 CORE EXTENSIONS	1268	=head2 CORE EXTENSIONS
994		1269
995	Functions and methods that extend core crossfire objects.	1270	Functions and methods that extend core crossfire objects.
996		1271
997	=cut	1272	=cut
…		…
1001	use Coro::AIO;	1276	use Coro::AIO;
1002		1277
1003	=head3 cf::player	1278	=head3 cf::player
1004		1279
1005	=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	}
1006		1295
1007	=item cf::player::find $login	1296	=item cf::player::find $login
1008		1297
1009	Returns the given player object, loading it if necessary (might block).	1298	Returns the given player object, loading it if necessary (might block).
1010		1299
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1338	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1339
1051	my $pl = load_pl path $login	1340	my $f = new_from_file cf::object::thawer path $login
1052	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;
1053	$cf::PLAYER{$login} = $pl	1348	$cf::PLAYER{$login} = $pl
1054	}	1349	}
1055	}	1350	}
1056	}	1351	}
1057		1352
…		…
1067		1362
1068	aio_mkdir playerdir $pl, 0770;	1363	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1364	$pl->{last_save} = $cf::RUNTIME;
1070		1365
1071	$pl->save_pl ($path);	1366	$pl->save_pl ($path);
1072	Coro::cede;	1367	cf::cede_to_tick;
1073	}	1368	}
1074		1369
1075	sub new($) {	1370	sub new($) {
1076	my ($login) = @_;	1371	my ($login) = @_;
1077		1372
…		…
1081	$self->{deny_save} = 1;	1376	$self->{deny_save} = 1;
1082		1377
1083	$cf::PLAYER{$login} = $self;	1378	$cf::PLAYER{$login} = $self;
1084		1379
1085	$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 (@_);
1086	}	1391	}
1087		1392
1088	=item $pl->quit_character	1393	=item $pl->quit_character
1089		1394
1090	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
…		…
1145	or return [];	1450	or return [];
1146		1451
1147	my @logins;	1452	my @logins;
1148		1453
1149	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") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1459	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1460	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1461	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1462	}
1153		1463
1154	utf8::decode $login;	1464	utf8::decode $login;
1155	push @logins, $login;	1465	push @logins, $login;
1156	}	1466	}
1157		1467
…		…
1184	}	1494	}
1185		1495
1186	\@paths	1496	\@paths
1187	}	1497	}
1188		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
1189	=item $player->ext_reply ($msgid, %msg)	1550	=item $player->ext_reply ($msgid, @msg)
1190		1551
1191	Sends an ext reply to the player.	1552	Sends an ext reply to the player.
1192		1553
1193	=cut	1554	=cut
1194		1555
1195	sub ext_reply($$%) {	1556	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1557	my ($self, $id, @msg) = @_;
1197		1558
1198	$msg{msgid} = $id;	1559	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1560	}
1202		1561
1203	=item $player->ext_event ($type, %msg)	1562	=item $player->ext_msg ($type, @msg)
1204		1563
1205	Sends an ext event to the client.	1564	Sends an ext event to the client.
1206		1565
1207	=cut	1566	=cut
1208		1567
1209	sub ext_event($$%) {	1568	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1569	my ($self, $type, @msg) = @_;
1211		1570
1212	$self->ns->ext_event ($type, %msg);	1571	$self->ns->ext_msg ($type, @msg);
1213	}	1572	}
1214		1573
1215	=head3 cf::region	1574	=head3 cf::region
1216		1575
1217	=over 4	1576	=over 4
…		…
1220		1579
1221	package cf::region;	1580	package cf::region;
1222		1581
1223	=item cf::region::find_by_path $path	1582	=item cf::region::find_by_path $path
1224		1583
1225	Tries to decuce the probable region for a map knowing only its path.	1584	Tries to decuce the likely region for a map knowing only its path.
1226		1585
1227	=cut	1586	=cut
1228		1587
1229	sub find_by_path($) {	1588	sub find_by_path($) {
1230	my ($path) = @_;	1589	my ($path) = @_;
1231		1590
1232	my ($match, $specificity);	1591	my ($match, $specificity);
1233		1592
1234	for my $region (list) {	1593	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1594	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1595	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1596	if $region->specificity > $specificity;
1238	}	1597	}
1239	}	1598	}
1240		1599
…		…
1304	my ($self, $merge) = @_;	1663	my ($self, $merge) = @_;
1305		1664
1306	# we have to keep some variables in memory intact	1665	# we have to keep some variables in memory intact
1307	local $self->{path};	1666	local $self->{path};
1308	local $self->{load_path};	1667	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1668
1312	$self->SUPER::thawer_merge ($merge);	1669	$self->SUPER::thawer_merge ($merge);
1313	}	1670	}
1314		1671
1315	sub normalise {	1672	sub normalise {
…		…
1362	$self->init; # pass $1 etc.	1719	$self->init; # pass $1 etc.
1363	return $self;	1720	return $self;
1364	}	1721	}
1365	}	1722	}
1366		1723
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	1724	Carp::cluck "unable to resolve path '$path' (base '$base').";
1368	()	1725	()
1369	}	1726	}
1370		1727
1371	sub init {	1728	sub init {
1372	my ($self) = @_;	1729	my ($self) = @_;
…		…
1415		1772
1416	$_->change_map_light ($change)	1773	$_->change_map_light ($change)
1417	for grep $_->outdoor, values %cf::MAP;	1774	for grep $_->outdoor, values %cf::MAP;
1418	}	1775	}
1419		1776
		1777	sub decay_objects {
		1778	my ($self) = @_;
		1779
		1780	return if $self->{deny_reset};
		1781
		1782	$self->do_decay_objects;
		1783	}
		1784
1420	sub unlink_save {	1785	sub unlink_save {
1421	my ($self) = @_;	1786	my ($self) = @_;
1422		1787
1423	utf8::encode (my $save = $self->save_path);	1788	utf8::encode (my $save = $self->save_path);
1424	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1789	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1427		1792
1428	sub load_header_from($) {	1793	sub load_header_from($) {
1429	my ($self, $path) = @_;	1794	my ($self, $path) = @_;
1430		1795
1431	utf8::encode $path;	1796	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	1797	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	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;
1437		1805
1438	$self->{load_path} = $path;	1806	$self->{load_path} = $path;
1439		1807
1440	1	1808	1
1441	}	1809	}
…		…
1480	$self->load_header_orig	1848	$self->load_header_orig
1481	or return;	1849	or return;
1482	$self->prepare_orig;	1850	$self->prepare_orig;
1483	}	1851	}
1484		1852
		1853	$self->{deny_reset} = 1
		1854	if $self->no_reset;
		1855
1485	$self->default_region (cf::region::find_by_path $self->{path})	1856	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	1857	unless $self->default_region;
1487		1858
1488	1	1859	1
1489	}	1860	}
…		…
1492	sub find {	1863	sub find {
1493	my ($path, $origin) = @_;	1864	my ($path, $origin) = @_;
1494		1865
1495	$path = normalise $path, $origin && $origin->path;	1866	$path = normalise $path, $origin && $origin->path;
1496		1867
		1868	cf::lock_wait "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	1869	cf::lock_wait "map_find:$path";
1498		1870
1499	$cf::MAP{$path} || do {	1871	$cf::MAP{$path} || do {
1500	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
1501	my $map = new_from_path cf::map $path	1875	my $map = new_from_path cf::map $path
1502	or return;	1876	or return;
1503		1877
1504	$map->{last_save} = $cf::RUNTIME;	1878	$map->{last_save} = $cf::RUNTIME;
1505		1879
1506	$map->load_header	1880	$map->load_header
1507	or return;	1881	or return;
1508		1882
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1883	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	1884	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	1885	#$cf::WAIT_FOR_TICK->wait;
		1886	undef $guard1;
		1887	undef $guard2;
1512	$map->reset;	1888	$map->reset;
1513	undef $guard;
1514	return find $path;	1889	return find $path;
1515	}	1890	}
1516		1891
1517	$cf::MAP{$path} = $map	1892	$cf::MAP{$path} = $map
1518	}	1893	}
…		…
1527	local $self->{deny_reset} = 1; # loading can take a long time	1902	local $self->{deny_reset} = 1; # loading can take a long time
1528		1903
1529	my $path = $self->{path};	1904	my $path = $self->{path};
1530		1905
1531	{	1906	{
1532	my $guard = cf::lock_acquire "map_load:$path";	1907	my $guard = cf::lock_acquire "map_data:$path";
1533		1908
		1909	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	1910	return unless $self->in_memory == cf::MAP_SWAPPED;
1535		1911
1536	$self->in_memory (cf::MAP_LOADING);	1912	$self->in_memory (cf::MAP_LOADING);
1537		1913
1538	$self->alloc;	1914	$self->alloc;
1539		1915
1540	$self->pre_load;	1916	$self->pre_load;
1541	Coro::cede;	1917	cf::cede_to_tick;
1542		1918
		1919	my $f = new_from_file cf::object::thawer $self->{load_path};
		1920	$f->skip_block;
1543	$self->_load_objects ($self->{load_path}, 1)	1921	$self->_load_objects ($f)
1544	or return;	1922	or return;
1545		1923
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1924	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1547	if delete $self->{load_original};	1925	if delete $self->{load_original};
1548		1926
1549	if (my $uniq = $self->uniq_path) {	1927	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	1928	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	1929	unless (aio_stat $uniq) {
		1930	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	1931	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	1932	$self->_load_objects ($f);
		1933	$f->resolve_delayed_derefs;
		1934	}
1554	}	1935	}
1555	}	1936	}
1556		1937
1557	Coro::cede;	1938	$f->resolve_delayed_derefs;
		1939
		1940	cf::cede_to_tick;
1558	# now do the right thing for maps	1941	# now do the right thing for maps
1559	$self->link_multipart_objects;	1942	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	1943	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	1944	unless $self->difficulty;
1562	Coro::cede;	1945	cf::cede_to_tick;
1563		1946
1564	unless ($self->{deny_activate}) {	1947	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	1948	$self->decay_objects;
1566	$self->fix_auto_apply;	1949	$self->fix_auto_apply;
1567	$self->update_buttons;	1950	$self->update_buttons;
1568	Coro::cede;	1951	cf::cede_to_tick;
1569	$self->set_darkness_map;	1952	$self->set_darkness_map;
1570	Coro::cede;	1953	cf::cede_to_tick;
1571	$self->activate;	1954	$self->activate;
1572	}	1955	}
		1956
		1957	$self->{last_save} = $cf::RUNTIME;
		1958	$self->last_access ($cf::RUNTIME);
1573		1959
1574	$self->in_memory (cf::MAP_IN_MEMORY);	1960	$self->in_memory (cf::MAP_IN_MEMORY);
1575	}	1961	}
1576		1962
1577	$self->post_load;	1963	$self->post_load;
…		…
1581	my ($self, $ob) = @_;	1967	my ($self, $ob) = @_;
1582		1968
1583	return find "~" . $ob->name . "/" . $self->{path}	1969	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	1970	if $self->per_player;
1585		1971
		1972	# return find "?party/" . $ob->name . "/" . $self->{path}
		1973	# if $self->per_party;
		1974
1586	$self	1975	$self
1587	}	1976	}
1588		1977
1589	# find and load all maps in the 3x3 area around a map	1978	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	1979	sub load_neighbours {
1591	my ($map) = @_;	1980	my ($map) = @_;
1592		1981
1593	my @diag; # diagonal neighbours	1982	my @neigh; # diagonal neighbours
1594		1983
1595	for (0 .. 3) {	1984	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)	1985	my $neigh = $map->tile_path ($_)
1597	or next;	1986	or next;
1598	$neigh = find $neigh, $map	1987	$neigh = find $neigh, $map
1599	or next;	1988	or next;
1600	$neigh->load;	1989	$neigh->load;
1601		1990
		1991	push @neigh,
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1992	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1993	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}	1994	}
1605		1995
1606	for (@diag) {	1996	for (grep defined $_->[0], @neigh) {
		1997	my ($path, $origin) = @$_;
1607	my $neigh = find @$_	1998	my $neigh = find $path, $origin
1608	or next;	1999	or next;
1609	$neigh->load;	2000	$neigh->load;
1610	}	2001	}
1611	}	2002	}
1612		2003
…		…
1617	}	2008	}
1618		2009
1619	sub do_load_sync {	2010	sub do_load_sync {
1620	my ($map) = @_;	2011	my ($map) = @_;
1621		2012
		2013	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2014	if $Coro::current == $Coro::main;
		2015
1622	cf::sync_job { $map->load };	2016	cf::sync_job { $map->load };
1623	}	2017	}
1624		2018
1625	our %MAP_PREFETCH;	2019	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2020	our $MAP_PREFETCHER = undef;
1627		2021
1628	sub find_async {	2022	sub find_async {
1629	my ($path, $origin) = @_;	2023	my ($path, $origin, $load) = @_;
1630		2024
1631	$path = normalise $path, $origin && $origin->{path};	2025	$path = normalise $path, $origin && $origin->{path};
1632		2026
1633	if (my $map = $cf::MAP{$path}) {	2027	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2028	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1635	}	2029	}
1636		2030
1637	undef $MAP_PREFETCH{$path};	2031	$MAP_PREFETCH{$path} |= $load;
		2032
1638	$MAP_PREFETCHER ||= cf::async {	2033	$MAP_PREFETCHER ||= cf::async {
1639	while (%MAP_PREFETCH) {	2034	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2035	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2036	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2037	$map->load if $v;
		2038	}
1644		2039
1645	delete $MAP_PREFETCH{$path};	2040	delete $MAP_PREFETCH{$k};
1646	}	2041	}
1647	}	2042	}
1648	undef $MAP_PREFETCHER;	2043	undef $MAP_PREFETCHER;
1649	};	2044	};
1650	$MAP_PREFETCHER->prio (6);	2045	$MAP_PREFETCHER->prio (6);
…		…
1653	}	2048	}
1654		2049
1655	sub save {	2050	sub save {
1656	my ($self) = @_;	2051	my ($self) = @_;
1657		2052
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	2053	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		2054
1660	$self->{last_save} = $cf::RUNTIME;	2055	$self->{last_save} = $cf::RUNTIME;
1661		2056
1662	return unless $self->dirty;	2057	return unless $self->dirty;
1663		2058
…		…
1686	my ($self) = @_;	2081	my ($self) = @_;
1687		2082
1688	# save first because save cedes	2083	# save first because save cedes
1689	$self->save;	2084	$self->save;
1690		2085
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2086	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2087
1693	return if $self->players;	2088	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;	2089	return if $self->in_memory != cf::MAP_IN_MEMORY;
1695	return if $self->{deny_save};	2090	return if $self->{deny_save};
1696		2091
		2092	$self->in_memory (cf::MAP_SWAPPED);
		2093
		2094	$self->deactivate;
		2095	$_->clear_links_to ($self) for values %cf::MAP;
1697	$self->clear;	2096	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2097	}
1700		2098
1701	sub reset_at {	2099	sub reset_at {
1702	my ($self) = @_;	2100	my ($self) = @_;
1703		2101
1704	# TODO: safety, remove and allow resettable per-player maps	2102	# TODO: safety, remove and allow resettable per-player maps
1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1706	return 1e99 if $self->{deny_reset};	2103	return 1e99 if $self->{deny_reset};
1707		2104
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2105	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2106	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2107
…		…
1721	my ($self) = @_;	2118	my ($self) = @_;
1722		2119
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2120	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2121
1725	return if $self->players;	2122	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2123
1728	warn "resetting map ", $self->path;#d#	2124	warn "resetting map ", $self->path;
1729		2125
1730	$self->in_memory (cf::MAP_SWAPPED);	2126	$self->in_memory (cf::MAP_SWAPPED);
1731		2127
1732	# need to save uniques path	2128	# need to save uniques path
1733	unless ($self->{deny_save}) {	2129	unless ($self->{deny_save}) {
…		…
1737	if $uniq;	2133	if $uniq;
1738	}	2134	}
1739		2135
1740	delete $cf::MAP{$self->path};	2136	delete $cf::MAP{$self->path};
1741		2137
		2138	$self->deactivate;
		2139	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2140	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2141
1746	$self->unlink_save;	2142	$self->unlink_save;
1747	$self->destroy;	2143	$self->destroy;
1748	}	2144	}
1749		2145
1750	my $nuke_counter = "aaaa";	2146	my $nuke_counter = "aaaa";
1751		2147
1752	sub nuke {	2148	sub nuke {
1753	my ($self) = @_;	2149	my ($self) = @_;
1754		2150
		2151	{
		2152	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2153
1755	delete $cf::MAP{$self->path};	2154	delete $cf::MAP{$self->path};
1756		2155
1757	$self->unlink_save;	2156	$self->unlink_save;
1758		2157
1759	bless $self, "cf::map";	2158	bless $self, "cf::map";
1760	delete $self->{deny_reset};	2159	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2160	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2161	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2162	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2163
1765	$cf::MAP{$self->path} = $self;	2164	$cf::MAP{$self->path} = $self;
		2165	}
1766		2166
1767	$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	]
1768	}	2204	}
1769		2205
1770	=item cf::map::unique_maps	2206	=item cf::map::unique_maps
1771		2207
1772	Returns an arrayref of paths of all shared maps that have	2208	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2209	instantiated unique items. May block.
1774		2210
1775	=cut	2211	=cut
1776		2212
1777	sub unique_maps() {	2213	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2214	[
1779	or return;	2215	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2216	utf8::decode $_;
1785	next if /\.pst$/;	2217	/\.map$/
1786	next unless /^$PATH_SEP/o;	2218	? normalise $_
1787		2219	: ()
1788	push @paths, cf::map::normalise $_;	2220	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2221	]
1790
1791	\@paths
1792	}	2222	}
1793		2223
1794	package cf;	2224	package cf;
1795		2225
1796	=back	2226	=back
…		…
1814	map { $_, inv_recursive_ $_->inv } @_	2244	map { $_, inv_recursive_ $_->inv } @_
1815	}	2245	}
1816		2246
1817	sub inv_recursive {	2247	sub inv_recursive {
1818	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	}
1819	}	2280	}
1820		2281
1821	package cf;	2282	package cf;
1822		2283
1823	=back	2284	=back
…		…
1842		2303
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2304	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2305
1845	if ($self->{record_replies}) {	2306	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2307	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2308
1847	} 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 {
1848	$msg = $npc->name . " says: $msg" if $npc;	2317	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2318	$self->message ($msg, $flags);
		2319	}
1850	}	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 (@_);
1851	}	2331	}
1852		2332
1853	=item $player_object->may ("access")	2333	=item $player_object->may ("access")
1854		2334
1855	Returns wether the given player is authorized to access resource "access"	2335	Returns wether the given player is authorized to access resource "access"
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2414	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2415	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2416	if $x <=0 && $y <= 0;
1937		2417
1938	$map->load;	2418	$map->load;
1939	$map->load_diag;	2419	$map->load_neighbours;
1940		2420
1941	return unless $self->contr->active;	2421	return unless $self->contr->active;
1942	$self->activate_recursive;	2422	$self->activate_recursive;
1943		2423
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2424	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2425	$self->enter_map ($map, $x, $y);
1946	}	2426	}
1947		2427
1948	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2428	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949		2429
1950	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
1951	her, loading and preparing them map, calling the provided $check callback	2431	her, loading and preparing them map, calling the provided $check callback
1952	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
1953	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.
1954		2435
1955	=cut	2436	=cut
1956		2437
1957	our $GOTOGEN;	2438	our $GOTOGEN;
1958		2439
1959	sub cf::object::player::goto {	2440	sub cf::object::player::goto {
1960	my ($self, $path, $x, $y, $check) = @_;	2441	my ($self, $path, $x, $y, $check, $done) = @_;
1961		2442
1962	# 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
1963	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2444	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964		2445
1965	$self->enter_link;	2446	$self->enter_link;
…		…
1985		2466
1986	if ($gen == $self->{_goto_generation}) {	2467	if ($gen == $self->{_goto_generation}) {
1987	delete $self->{_goto_generation};	2468	delete $self->{_goto_generation};
1988	$self->leave_link ($map, $x, $y);	2469	$self->leave_link ($map, $x, $y);
1989	}	2470	}
		2471
		2472	$done->() if $done;
1990	})->prio (1);	2473	})->prio (1);
1991	}	2474	}
1992		2475
1993	=item $player_object->enter_exit ($exit_object)	2476	=item $player_object->enter_exit ($exit_object)
1994		2477
…		…
2063	my $hp = $exit->stats->hp;	2546	my $hp = $exit->stats->hp;
2064	my $sp = $exit->stats->sp;	2547	my $sp = $exit->stats->sp;
2065		2548
2066	$self->enter_link;	2549	$self->enter_link;
2067		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
2068	(async {	2555	(async {
2069	$self->deactivate_recursive; # just to be sure	2556	$self->deactivate_recursive; # just to be sure
2070	unless (eval {	2557	unless (eval {
2071	$self->goto ($slaying, $hp, $sp);	2558	$self->goto ($slaying, $hp, $sp);
2072		2559
…		…
2099		2586
2100	utf8::encode $text;	2587	utf8::encode $text;
2101	$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);
2102	}	2589	}
2103		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
2104	=item $client->ext_event ($type, %msg)	2672	=item $client->ext_msg ($type, @msg)
2105		2673
2106	Sends an exti event to the client.	2674	Sends an ext event to the client.
2107		2675
2108	=cut	2676	=cut
2109		2677
2110	sub cf::client::ext_event($$%) {	2678	sub cf::client::ext_msg($$@) {
2111	my ($self, $type, %msg) = @_;	2679	my ($self, $type, @msg) = @_;
2112		2680
		2681	if ($self->extcmd == 2) {
		2682	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2683	} elsif ($self->extcmd == 1) { # TODO: remove
2113	$msg{msgtype} = "event_$type";	2684	push @msg, msgtype => "event_$type";
2114	$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	}
2115	}	2705	}
2116		2706
2117	=item $success = $client->query ($flags, "text", \&cb)	2707	=item $success = $client->query ($flags, "text", \&cb)
2118		2708
2119	Queues a query to the client, calling the given callback with	2709	Queues a query to the client, calling the given callback with
2120	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>,
2121	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>.
2122		2712
2123	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
2124	reliable at some point in the future.	2714	become reliable at some point in the future.
2125		2715
2126	=cut	2716	=cut
2127		2717
2128	sub cf::client::query {	2718	sub cf::client::query {
2129	my ($self, $flags, $text, $cb) = @_;	2719	my ($self, $flags, $text, $cb) = @_;
…		…
2137	utf8::encode $text;	2727	utf8::encode $text;
2138	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2728	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139		2729
2140	$self->send_packet ($self->{query_queue}[0][0])	2730	$self->send_packet ($self->{query_queue}[0][0])
2141	if @{ $self->{query_queue} } == 1;	2731	if @{ $self->{query_queue} } == 1;
		2732
		2733	1
2142	}	2734	}
2143		2735
2144	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	},
2145	on_reply => sub {	2742	on_reply => sub {
2146	my ($ns, $msg) = @_;	2743	my ($ns, $msg) = @_;
2147		2744
2148	# this weird shuffling is so that direct followup queries	2745	# this weird shuffling is so that direct followup queries
2149	# get handled first	2746	# get handled first
…		…
2161	} else {	2758	} else {
2162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2759	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163	}	2760	}
2164	}	2761	}
2165	},	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	},
2166	);	2789	);
2167		2790
2168	=item $client->async (\&cb)	2791	=item $client->async (\&cb)
2169		2792
2170	Create a new coroutine, running the specified callback. The coroutine will	2793	Create a new coroutine, running the specified callback. The coroutine will
…		…
2211	our $safe = new Safe "safe";	2834	our $safe = new Safe "safe";
2212	our $safe_hole = new Safe::Hole;	2835	our $safe_hole = new Safe::Hole;
2213		2836
2214	$SIG{FPE} = 'IGNORE';	2837	$SIG{FPE} = 'IGNORE';
2215		2838
2216	$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	));
2217		2844
2218	# here we export the classes and methods available to script code	2845	# here we export the classes and methods available to script code
2219		2846
2220	=pod	2847	=pod
2221		2848
2222	The following functions and methods are available within a safe environment:	2849	The following functions and methods are available within a safe environment:
2223		2850
2224	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
2225	cf::object::player player	2855	cf::object::player
2226	cf::player peaceful	2856	player
2227	cf::map trigger	2857
		2858	cf::player
		2859	peaceful
		2860
		2861	cf::map
		2862	trigger
2228		2863
2229	=cut	2864	=cut
2230		2865
2231	for (	2866	for (
2232	["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)],
2233	["cf::object::player" => qw(player)],	2870	["cf::object::player" => qw(player)],
2234	["cf::player" => qw(peaceful)],	2871	["cf::player" => qw(peaceful)],
2235	["cf::map" => qw(trigger)],	2872	["cf::map" => qw(trigger)],
2236	) {	2873	) {
2237	no strict 'refs';	2874	no strict 'refs';
…		…
2308	=back	2945	=back
2309		2946
2310	=cut	2947	=cut
2311		2948
2312	#############################################################################	2949	#############################################################################
2313
2314	=head2 EXTENSION DATABASE SUPPORT
2315
2316	Crossfire maintains a very simple database for extension use. It can
2317	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2318	convert to/from binary).
2319
2320	The parameter C<$family> should best start with the name of the extension
2321	using it, it should be unique.
2322
2323	=over 4
2324
2325	=item $value = cf::db_get $family => $key
2326
2327	Returns a single value from the database.
2328
2329	=item cf::db_put $family => $key => $value
2330
2331	Stores the given C<$value> in the family.
2332
2333	=cut
2334
2335	our $DB;
2336
2337	sub db_init {
2338	unless ($DB) {
2339	$DB = BDB::db_create $DB_ENV;
2340
2341	cf::sync_job {
2342	eval {
2343	$DB->set_flags (BDB::CHKSUM);
2344
2345	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2346	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2347	cf::cleanup "db_open(db): $!" if $!;
2348	};
2349	cf::cleanup "db_open(db): $@" if $@;
2350	};
2351	}
2352	}
2353
2354	sub db_get($$) {
2355	my $key = "$_[0]/$_[1]";
2356
2357	cf::sync_job {
2358	BDB::db_get $DB, undef, $key, my $data;
2359
2360	$! ? ()
2361	: $data
2362	}
2363	}
2364
2365	sub db_put($$$) {
2366	BDB::dbreq_pri 4;
2367	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2368	}
2369
2370	=item cf::cache $id => [$paths...], $processversion => $process
2371
2372	Generic caching function that returns the value of the resource $id,
2373	caching and regenerating as required.
2374
2375	This function can block.
2376
2377	=cut
2378
2379	sub cache {
2380	my ($id, $src, $processversion, $process) = @_;
2381
2382	my $meta =
2383	join "\x00",
2384	$processversion,
2385	map {
2386	aio_stat $_
2387	and Carp::croak "$_: $!";
2388
2389	($_, (stat _)[7,9])
2390	} @$src;
2391
2392	my $dbmeta = db_get cache => "$id/meta";
2393	if ($dbmeta ne $meta) {
2394	# changed, we may need to process
2395
2396	my @data;
2397	my $md5;
2398
2399	for (0 .. $#$src) {
2400	0 <= aio_load $src->[$_], $data[$_]
2401	or Carp::croak "$src->[$_]: $!";
2402	}
2403
2404	# if processing is expensive, check
2405	# checksum first
2406	if (1) {
2407	$md5 =
2408	join "\x00",
2409	$processversion,
2410	map {
2411	Coro::cede;
2412	($src->[$_], Digest::MD5::md5_hex $data[$_])
2413	} 0.. $#$src;
2414
2415
2416	my $dbmd5 = db_get cache => "$id/md5";
2417	if ($dbmd5 eq $md5) {
2418	db_put cache => "$id/meta", $meta;
2419
2420	return db_get cache => "$id/data";
2421	}
2422	}
2423
2424	my $t1 = Time::HiRes::time;
2425	my $data = $process->(\@data);
2426	my $t2 = Time::HiRes::time;
2427
2428	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2429
2430	db_put cache => "$id/data", $data;
2431	db_put cache => "$id/md5" , $md5;
2432	db_put cache => "$id/meta", $meta;
2433
2434	return $data;
2435	}
2436
2437	db_get cache => "$id/data"
2438	}
2439
2440	=item fork_call { }, $args
2441
2442	Executes the given code block with the given arguments in a seperate
2443	process, returning the results. Everything must be serialisable with
2444	Coro::Storable. May, of course, block. Note that the executed sub may
2445	never block itself or use any form of Event handling.
2446
2447	=cut
2448
2449	sub fork_call(&@) {
2450	my ($cb, @args) = @_;
2451
2452	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2453	# or die "socketpair: $!";
2454	pipe my $fh1, my $fh2
2455	or die "pipe: $!";
2456
2457	if (my $pid = fork) {
2458	close $fh2;
2459
2460	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2461	$res = Coro::Storable::thaw $res;
2462
2463	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2464
2465	die $$res unless "ARRAY" eq ref $res;
2466
2467	return wantarray ? @$res : $res->[-1];
2468	} else {
2469	reset_signals;
2470	local $SIG{__WARN__};
2471	local $SIG{__DIE__};
2472	eval {
2473	close $fh1;
2474
2475	my @res = eval { $cb->(@args) };
2476	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2477	};
2478
2479	warn $@ if $@;
2480	_exit 0;
2481	}
2482	}
2483
2484	#############################################################################
2485	# the server's init and main functions	2950	# the server's init and main functions
2486		2951
2487	sub load_facedata($) {	2952	sub load_facedata($) {
2488	my ($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;
2489		2960
2490	warn "loading facedata from $path\n";	2961	warn "loading facedata from $path\n";
2491		2962
2492	my $facedata;	2963	my $facedata;
2493	0 < aio_load $path, $facedata	2964	0 < aio_load $path, $facedata
…		…
2496	$facedata = Coro::Storable::thaw $facedata;	2967	$facedata = Coro::Storable::thaw $facedata;
2497		2968
2498	$facedata->{version} == 2	2969	$facedata->{version} == 2
2499	or cf::cleanup "$path: version mismatch, cannot proceed.";	2970	or cf::cleanup "$path: version mismatch, cannot proceed.";
2500		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
2501	{	2979	{
2502	my $faces = $facedata->{faceinfo};	2980	my $faces = $facedata->{faceinfo};
2503		2981
2504	while (my ($face, $info) = each %$faces) {	2982	while (my ($face, $info) = each %$faces) {
2505	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2983	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2506	warn "$face $info->{magicmap}\n" if $face =~ /obol/;#d#
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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