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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.271 by root, Fri Jun 1 06:04:08 2007 UTC vs.
Revision 1.360 by root, Sun Sep 9 06:25:46 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	#############################################################################
		1265
		1266	=back
992		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
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1321	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1322	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1323	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1324	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1325
1051	my $pl = load_pl path $login	1326	my $f = new_from_file cf::object::thawer path $login
1052	or return;	1327	or return;
		1328
		1329	$f->next;
		1330	my $pl = cf::player::load_pl $f
		1331	or return;
		1332	local $cf::PLAYER_LOADING{$login} = $pl;
		1333	$f->resolve_delayed_derefs;
1053	$cf::PLAYER{$login} = $pl	1334	$cf::PLAYER{$login} = $pl
1054	}	1335	}
1055	}	1336	}
1056	}	1337	}
1057		1338
…		…
1067		1348
1068	aio_mkdir playerdir $pl, 0770;	1349	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1350	$pl->{last_save} = $cf::RUNTIME;
1070		1351
1071	$pl->save_pl ($path);	1352	$pl->save_pl ($path);
1072	Coro::cede;	1353	cf::cede_to_tick;
1073	}	1354	}
1074		1355
1075	sub new($) {	1356	sub new($) {
1076	my ($login) = @_;	1357	my ($login) = @_;
1077		1358
…		…
1081	$self->{deny_save} = 1;	1362	$self->{deny_save} = 1;
1082		1363
1083	$cf::PLAYER{$login} = $self;	1364	$cf::PLAYER{$login} = $self;
1084		1365
1085	$self	1366	$self
		1367	}
		1368
		1369	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1370
		1371	=cut
		1372
		1373	sub send_msg {
		1374	my $ns = shift->ns
		1375	or return;
		1376	$ns->send_msg (@_);
1086	}	1377	}
1087		1378
1088	=item $pl->quit_character	1379	=item $pl->quit_character
1089		1380
1090	Nukes the player without looking back. If logged in, the connection will	1381	Nukes the player without looking back. If logged in, the connection will
…		…
1145	or return [];	1436	or return [];
1146		1437
1147	my @logins;	1438	my @logins;
1148		1439
1149	for my $login (@$dirs) {	1440	for my $login (@$dirs) {
		1441	my $path = path $login;
		1442
		1443	# a .pst is a dead give-away for a valid player
		1444	unless (-e "$path.pst") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1445	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1446	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1447	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1448	}
1153		1449
1154	utf8::decode $login;	1450	utf8::decode $login;
1155	push @logins, $login;	1451	push @logins, $login;
1156	}	1452	}
1157		1453
…		…
1184	}	1480	}
1185		1481
1186	\@paths	1482	\@paths
1187	}	1483	}
1188		1484
		1485	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1486
		1487	Expand crossfire pod fragments into protocol xml.
		1488
		1489	=cut
		1490
		1491	sub expand_cfpod {
		1492	((my $self), (local $_)) = @_;
		1493
		1494	# escape & and <
		1495	s/&/&amp;/g;
		1496	s/(?<![BIUGHT])</&lt;/g;
		1497
		1498	# this is buggy, it needs to properly take care of nested <'s
		1499
		1500	1 while
		1501	# replace B<>, I<>, U<> etc.
		1502	s/B<([^\>]*)>/<b>$1<\/b>/
		1503	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1504	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1505	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1506	# replace G<male|female> tags
		1507	|| s{G<([^>|]*)\|([^>]*)>}{
		1508	$self->gender ? $2 : $1
		1509	}ge
		1510	# replace H<hint text>
		1511	|| s{H<([^\>]*)>}
		1512	{
		1513	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1514	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1515	"")
		1516	[$self->{hintmode}]
		1517	}ge;
		1518
		1519	# create single paragraphs (very hackish)
		1520	s/(?<=\S)\n(?=\w)/ /g;
		1521
		1522	# compress some whitespace
		1523	s/\s+\n/\n/g; # ws line-ends
		1524	s/\n\n+/\n/g; # double lines
		1525	s/^\n+//; # beginning lines
		1526	s/\n+$//; # ending lines
		1527
		1528	$_
		1529	}
		1530
		1531	sub hintmode {
		1532	$_[0]{hintmode} = $_[1] if @_ > 1;
		1533	$_[0]{hintmode}
		1534	}
		1535
1189	=item $player->ext_reply ($msgid, %msg)	1536	=item $player->ext_reply ($msgid, @msg)
1190		1537
1191	Sends an ext reply to the player.	1538	Sends an ext reply to the player.
1192		1539
1193	=cut	1540	=cut
1194		1541
1195	sub ext_reply($$%) {	1542	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1543	my ($self, $id, @msg) = @_;
1197		1544
1198	$msg{msgid} = $id;	1545	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1546	}
1202		1547
1203	=item $player->ext_event ($type, %msg)	1548	=item $player->ext_msg ($type, @msg)
1204		1549
1205	Sends an ext event to the client.	1550	Sends an ext event to the client.
1206		1551
1207	=cut	1552	=cut
1208		1553
1209	sub ext_event($$%) {	1554	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1555	my ($self, $type, @msg) = @_;
1211		1556
1212	$self->ns->ext_event ($type, %msg);	1557	$self->ns->ext_msg ($type, @msg);
1213	}	1558	}
1214		1559
1215	=head3 cf::region	1560	=head3 cf::region
1216		1561
1217	=over 4	1562	=over 4
…		…
1220		1565
1221	package cf::region;	1566	package cf::region;
1222		1567
1223	=item cf::region::find_by_path $path	1568	=item cf::region::find_by_path $path
1224		1569
1225	Tries to decuce the probable region for a map knowing only its path.	1570	Tries to decuce the likely region for a map knowing only its path.
1226		1571
1227	=cut	1572	=cut
1228		1573
1229	sub find_by_path($) {	1574	sub find_by_path($) {
1230	my ($path) = @_;	1575	my ($path) = @_;
1231		1576
1232	my ($match, $specificity);	1577	my ($match, $specificity);
1233		1578
1234	for my $region (list) {	1579	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1580	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1581	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1582	if $region->specificity > $specificity;
1238	}	1583	}
1239	}	1584	}
1240		1585
…		…
1304	my ($self, $merge) = @_;	1649	my ($self, $merge) = @_;
1305		1650
1306	# we have to keep some variables in memory intact	1651	# we have to keep some variables in memory intact
1307	local $self->{path};	1652	local $self->{path};
1308	local $self->{load_path};	1653	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1654
1312	$self->SUPER::thawer_merge ($merge);	1655	$self->SUPER::thawer_merge ($merge);
1313	}	1656	}
1314		1657
1315	sub normalise {	1658	sub normalise {
…		…
1362	$self->init; # pass $1 etc.	1705	$self->init; # pass $1 etc.
1363	return $self;	1706	return $self;
1364	}	1707	}
1365	}	1708	}
1366		1709
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	1710	Carp::cluck "unable to resolve path '$path' (base '$base').";
1368	()	1711	()
1369	}	1712	}
1370		1713
1371	sub init {	1714	sub init {
1372	my ($self) = @_;	1715	my ($self) = @_;
…		…
1415		1758
1416	$_->change_map_light ($change)	1759	$_->change_map_light ($change)
1417	for grep $_->outdoor, values %cf::MAP;	1760	for grep $_->outdoor, values %cf::MAP;
1418	}	1761	}
1419		1762
		1763	sub decay_objects {
		1764	my ($self) = @_;
		1765
		1766	return if $self->{deny_reset};
		1767
		1768	$self->do_decay_objects;
		1769	}
		1770
1420	sub unlink_save {	1771	sub unlink_save {
1421	my ($self) = @_;	1772	my ($self) = @_;
1422		1773
1423	utf8::encode (my $save = $self->save_path);	1774	utf8::encode (my $save = $self->save_path);
1424	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1775	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1427		1778
1428	sub load_header_from($) {	1779	sub load_header_from($) {
1429	my ($self, $path) = @_;	1780	my ($self, $path) = @_;
1430		1781
1431	utf8::encode $path;	1782	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	1783	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	or return;	1784	or return;
		1785
		1786	$self->_load_header ($f)
		1787	or return;
		1788
		1789	local $MAP_LOADING{$self->{path}} = $self;
		1790	$f->resolve_delayed_derefs;
1437		1791
1438	$self->{load_path} = $path;	1792	$self->{load_path} = $path;
1439		1793
1440	1	1794	1
1441	}	1795	}
…		…
1480	$self->load_header_orig	1834	$self->load_header_orig
1481	or return;	1835	or return;
1482	$self->prepare_orig;	1836	$self->prepare_orig;
1483	}	1837	}
1484		1838
		1839	$self->{deny_reset} = 1
		1840	if $self->no_reset;
		1841
1485	$self->default_region (cf::region::find_by_path $self->{path})	1842	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	1843	unless $self->default_region;
1487		1844
1488	1	1845	1
1489	}	1846	}
…		…
1492	sub find {	1849	sub find {
1493	my ($path, $origin) = @_;	1850	my ($path, $origin) = @_;
1494		1851
1495	$path = normalise $path, $origin && $origin->path;	1852	$path = normalise $path, $origin && $origin->path;
1496		1853
		1854	cf::lock_wait "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	1855	cf::lock_wait "map_find:$path";
1498		1856
1499	$cf::MAP{$path} || do {	1857	$cf::MAP{$path} || do {
1500	my $guard = cf::lock_acquire "map_find:$path";	1858	my $guard1 = cf::lock_acquire "map_find:$path";
		1859	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1860
1501	my $map = new_from_path cf::map $path	1861	my $map = new_from_path cf::map $path
1502	or return;	1862	or return;
1503		1863
1504	$map->{last_save} = $cf::RUNTIME;	1864	$map->{last_save} = $cf::RUNTIME;
1505		1865
1506	$map->load_header	1866	$map->load_header
1507	or return;	1867	or return;
1508		1868
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1869	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	1870	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	1871	#$cf::WAIT_FOR_TICK->wait;
		1872	undef $guard1;
		1873	undef $guard2;
1512	$map->reset;	1874	$map->reset;
1513	undef $guard;
1514	return find $path;	1875	return find $path;
1515	}	1876	}
1516		1877
1517	$cf::MAP{$path} = $map	1878	$cf::MAP{$path} = $map
1518	}	1879	}
…		…
1527	local $self->{deny_reset} = 1; # loading can take a long time	1888	local $self->{deny_reset} = 1; # loading can take a long time
1528		1889
1529	my $path = $self->{path};	1890	my $path = $self->{path};
1530		1891
1531	{	1892	{
1532	my $guard = cf::lock_acquire "map_load:$path";	1893	my $guard = cf::lock_acquire "map_data:$path";
1533		1894
		1895	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	1896	return unless $self->in_memory == cf::MAP_SWAPPED;
1535		1897
1536	$self->in_memory (cf::MAP_LOADING);	1898	$self->in_memory (cf::MAP_LOADING);
1537		1899
1538	$self->alloc;	1900	$self->alloc;
1539		1901
1540	$self->pre_load;	1902	$self->pre_load;
1541	Coro::cede;	1903	cf::cede_to_tick;
1542		1904
		1905	my $f = new_from_file cf::object::thawer $self->{load_path};
		1906	$f->skip_block;
1543	$self->_load_objects ($self->{load_path}, 1)	1907	$self->_load_objects ($f)
1544	or return;	1908	or return;
1545		1909
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1910	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1547	if delete $self->{load_original};	1911	if delete $self->{load_original};
1548		1912
1549	if (my $uniq = $self->uniq_path) {	1913	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	1914	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	1915	unless (aio_stat $uniq) {
		1916	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	1917	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	1918	$self->_load_objects ($f);
		1919	$f->resolve_delayed_derefs;
		1920	}
1554	}	1921	}
1555	}	1922	}
1556		1923
1557	Coro::cede;	1924	$f->resolve_delayed_derefs;
		1925
		1926	cf::cede_to_tick;
1558	# now do the right thing for maps	1927	# now do the right thing for maps
1559	$self->link_multipart_objects;	1928	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	1929	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	1930	unless $self->difficulty;
1562	Coro::cede;	1931	cf::cede_to_tick;
1563		1932
1564	unless ($self->{deny_activate}) {	1933	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	1934	$self->decay_objects;
1566	$self->fix_auto_apply;	1935	$self->fix_auto_apply;
1567	$self->update_buttons;	1936	$self->update_buttons;
1568	Coro::cede;	1937	cf::cede_to_tick;
1569	$self->set_darkness_map;	1938	$self->set_darkness_map;
1570	Coro::cede;	1939	cf::cede_to_tick;
1571	$self->activate;	1940	$self->activate;
1572	}	1941	}
		1942
		1943	$self->{last_save} = $cf::RUNTIME;
		1944	$self->last_access ($cf::RUNTIME);
1573		1945
1574	$self->in_memory (cf::MAP_IN_MEMORY);	1946	$self->in_memory (cf::MAP_IN_MEMORY);
1575	}	1947	}
1576		1948
1577	$self->post_load;	1949	$self->post_load;
…		…
1581	my ($self, $ob) = @_;	1953	my ($self, $ob) = @_;
1582		1954
1583	return find "~" . $ob->name . "/" . $self->{path}	1955	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	1956	if $self->per_player;
1585		1957
		1958	# return find "?party/" . $ob->name . "/" . $self->{path}
		1959	# if $self->per_party;
		1960
1586	$self	1961	$self
1587	}	1962	}
1588		1963
1589	# find and load all maps in the 3x3 area around a map	1964	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	1965	sub load_neighbours {
1591	my ($map) = @_;	1966	my ($map) = @_;
1592		1967
1593	my @diag; # diagonal neighbours	1968	my @neigh; # diagonal neighbours
1594		1969
1595	for (0 .. 3) {	1970	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)	1971	my $neigh = $map->tile_path ($_)
1597	or next;	1972	or next;
1598	$neigh = find $neigh, $map	1973	$neigh = find $neigh, $map
1599	or next;	1974	or next;
1600	$neigh->load;	1975	$neigh->load;
1601		1976
		1977	push @neigh,
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1978	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1979	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}	1980	}
1605		1981
1606	for (@diag) {	1982	for (grep defined $_->[0], @neigh) {
		1983	my ($path, $origin) = @$_;
1607	my $neigh = find @$_	1984	my $neigh = find $path, $origin
1608	or next;	1985	or next;
1609	$neigh->load;	1986	$neigh->load;
1610	}	1987	}
1611	}	1988	}
1612		1989
…		…
1617	}	1994	}
1618		1995
1619	sub do_load_sync {	1996	sub do_load_sync {
1620	my ($map) = @_;	1997	my ($map) = @_;
1621		1998
		1999	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2000	if $Coro::current == $Coro::main;
		2001
1622	cf::sync_job { $map->load };	2002	cf::sync_job { $map->load };
1623	}	2003	}
1624		2004
1625	our %MAP_PREFETCH;	2005	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2006	our $MAP_PREFETCHER = undef;
1627		2007
1628	sub find_async {	2008	sub find_async {
1629	my ($path, $origin) = @_;	2009	my ($path, $origin, $load) = @_;
1630		2010
1631	$path = normalise $path, $origin && $origin->{path};	2011	$path = normalise $path, $origin && $origin->{path};
1632		2012
1633	if (my $map = $cf::MAP{$path}) {	2013	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2014	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1635	}	2015	}
1636		2016
1637	undef $MAP_PREFETCH{$path};	2017	$MAP_PREFETCH{$path} |= $load;
		2018
1638	$MAP_PREFETCHER ||= cf::async {	2019	$MAP_PREFETCHER ||= cf::async {
1639	while (%MAP_PREFETCH) {	2020	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2021	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2022	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2023	$map->load if $v;
		2024	}
1644		2025
1645	delete $MAP_PREFETCH{$path};	2026	delete $MAP_PREFETCH{$k};
1646	}	2027	}
1647	}	2028	}
1648	undef $MAP_PREFETCHER;	2029	undef $MAP_PREFETCHER;
1649	};	2030	};
1650	$MAP_PREFETCHER->prio (6);	2031	$MAP_PREFETCHER->prio (6);
…		…
1653	}	2034	}
1654		2035
1655	sub save {	2036	sub save {
1656	my ($self) = @_;	2037	my ($self) = @_;
1657		2038
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	2039	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		2040
1660	$self->{last_save} = $cf::RUNTIME;	2041	$self->{last_save} = $cf::RUNTIME;
1661		2042
1662	return unless $self->dirty;	2043	return unless $self->dirty;
1663		2044
…		…
1686	my ($self) = @_;	2067	my ($self) = @_;
1687		2068
1688	# save first because save cedes	2069	# save first because save cedes
1689	$self->save;	2070	$self->save;
1690		2071
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2072	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2073
1693	return if $self->players;	2074	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;	2075	return if $self->in_memory != cf::MAP_IN_MEMORY;
1695	return if $self->{deny_save};	2076	return if $self->{deny_save};
1696		2077
		2078	$self->in_memory (cf::MAP_SWAPPED);
		2079
		2080	$self->deactivate;
		2081	$_->clear_links_to ($self) for values %cf::MAP;
1697	$self->clear;	2082	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2083	}
1700		2084
1701	sub reset_at {	2085	sub reset_at {
1702	my ($self) = @_;	2086	my ($self) = @_;
1703		2087
1704	# TODO: safety, remove and allow resettable per-player maps	2088	# 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};	2089	return 1e99 if $self->{deny_reset};
1707		2090
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2091	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2092	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2093
…		…
1721	my ($self) = @_;	2104	my ($self) = @_;
1722		2105
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2106	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2107
1725	return if $self->players;	2108	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2109
1728	warn "resetting map ", $self->path;#d#	2110	warn "resetting map ", $self->path;
1729		2111
1730	$self->in_memory (cf::MAP_SWAPPED);	2112	$self->in_memory (cf::MAP_SWAPPED);
1731		2113
1732	# need to save uniques path	2114	# need to save uniques path
1733	unless ($self->{deny_save}) {	2115	unless ($self->{deny_save}) {
…		…
1737	if $uniq;	2119	if $uniq;
1738	}	2120	}
1739		2121
1740	delete $cf::MAP{$self->path};	2122	delete $cf::MAP{$self->path};
1741		2123
		2124	$self->deactivate;
		2125	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2126	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2127
1746	$self->unlink_save;	2128	$self->unlink_save;
1747	$self->destroy;	2129	$self->destroy;
1748	}	2130	}
1749		2131
1750	my $nuke_counter = "aaaa";	2132	my $nuke_counter = "aaaa";
1751		2133
1752	sub nuke {	2134	sub nuke {
1753	my ($self) = @_;	2135	my ($self) = @_;
1754		2136
		2137	{
		2138	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2139
1755	delete $cf::MAP{$self->path};	2140	delete $cf::MAP{$self->path};
1756		2141
1757	$self->unlink_save;	2142	$self->unlink_save;
1758		2143
1759	bless $self, "cf::map";	2144	bless $self, "cf::map";
1760	delete $self->{deny_reset};	2145	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2146	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2147	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2148	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2149
1765	$cf::MAP{$self->path} = $self;	2150	$cf::MAP{$self->path} = $self;
		2151	}
1766		2152
1767	$self->reset; # polite request, might not happen	2153	$self->reset; # polite request, might not happen
		2154	}
		2155
		2156	=item $maps = cf::map::tmp_maps
		2157
		2158	Returns an arrayref with all map paths of currently instantiated and saved
		2159	maps. May block.
		2160
		2161	=cut
		2162
		2163	sub tmp_maps() {
		2164	[
		2165	map {
		2166	utf8::decode $_;
		2167	/\.map$/
		2168	? normalise $_
		2169	: ()
		2170	} @{ aio_readdir $TMPDIR or [] }
		2171	]
		2172	}
		2173
		2174	=item $maps = cf::map::random_maps
		2175
		2176	Returns an arrayref with all map paths of currently instantiated and saved
		2177	random maps. May block.
		2178
		2179	=cut
		2180
		2181	sub random_maps() {
		2182	[
		2183	map {
		2184	utf8::decode $_;
		2185	/\.map$/
		2186	? normalise "?random/$_"
		2187	: ()
		2188	} @{ aio_readdir $RANDOMDIR or [] }
		2189	]
1768	}	2190	}
1769		2191
1770	=item cf::map::unique_maps	2192	=item cf::map::unique_maps
1771		2193
1772	Returns an arrayref of paths of all shared maps that have	2194	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2195	instantiated unique items. May block.
1774		2196
1775	=cut	2197	=cut
1776		2198
1777	sub unique_maps() {	2199	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2200	[
1779	or return;	2201	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2202	utf8::decode $_;
1785	next if /\.pst$/;	2203	/\.map$/
1786	next unless /^$PATH_SEP/o;	2204	? normalise $_
1787		2205	: ()
1788	push @paths, cf::map::normalise $_;	2206	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2207	]
1790
1791	\@paths
1792	}	2208	}
1793		2209
1794	package cf;	2210	package cf;
1795		2211
1796	=back	2212	=back
…		…
1814	map { $_, inv_recursive_ $_->inv } @_	2230	map { $_, inv_recursive_ $_->inv } @_
1815	}	2231	}
1816		2232
1817	sub inv_recursive {	2233	sub inv_recursive {
1818	inv_recursive_ inv $_[0]	2234	inv_recursive_ inv $_[0]
		2235	}
		2236
		2237	=item $ref = $ob->ref
		2238
		2239	creates and returns a persistent reference to an objetc that can be stored as a string.
		2240
		2241	=item $ob = cf::object::deref ($refstring)
		2242
		2243	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2244	even if the object actually exists. May block.
		2245
		2246	=cut
		2247
		2248	sub deref {
		2249	my ($ref) = @_;
		2250
		2251	# temporary compatibility#TODO#remove
		2252	$ref =~ s{^<}{player/<};
		2253
		2254	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2255	my ($uuid, $name) = ($1, $2);
		2256	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2257	or return;
		2258	$pl->ob->uuid eq $uuid
		2259	or return;
		2260
		2261	$pl->ob
		2262	} else {
		2263	warn "$ref: cannot resolve object reference\n";
		2264	undef
		2265	}
1819	}	2266	}
1820		2267
1821	package cf;	2268	package cf;
1822		2269
1823	=back	2270	=back
…		…
1842		2289
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2290	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2291
1845	if ($self->{record_replies}) {	2292	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2293	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2294
1847	} else {	2295	} else {
		2296	my $pl = $self->contr;
		2297
		2298	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2299	my $dialog = $pl->{npc_dialog};
		2300	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2301
		2302	} else {
1848	$msg = $npc->name . " says: $msg" if $npc;	2303	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2304	$self->message ($msg, $flags);
		2305	}
1850	}	2306	}
		2307	}
		2308
		2309	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2310
		2311	=cut
		2312
		2313	sub cf::object::send_msg {
		2314	my $pl = shift->contr
		2315	or return;
		2316	$pl->send_msg (@_);
1851	}	2317	}
1852		2318
1853	=item $player_object->may ("access")	2319	=item $player_object->may ("access")
1854		2320
1855	Returns wether the given player is authorized to access resource "access"	2321	Returns wether the given player is authorized to access resource "access"
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2400	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2401	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2402	if $x <=0 && $y <= 0;
1937		2403
1938	$map->load;	2404	$map->load;
1939	$map->load_diag;	2405	$map->load_neighbours;
1940		2406
1941	return unless $self->contr->active;	2407	return unless $self->contr->active;
1942	$self->activate_recursive;	2408	$self->activate_recursive;
1943		2409
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2410	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2411	$self->enter_map ($map, $x, $y);
1946	}	2412	}
1947		2413
1948	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2414	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949		2415
1950	Moves the player to the given map-path and coordinates by first freezing	2416	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	2417	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	2418	that has to return the map if sucecssful, and then unfreezes the player on
1953	the new (success) or old (failed) map position.	2419	the new (success) or old (failed) map position. In either case, $done will
		2420	be called at the end of this process.
1954		2421
1955	=cut	2422	=cut
1956		2423
1957	our $GOTOGEN;	2424	our $GOTOGEN;
1958		2425
1959	sub cf::object::player::goto {	2426	sub cf::object::player::goto {
1960	my ($self, $path, $x, $y, $check) = @_;	2427	my ($self, $path, $x, $y, $check, $done) = @_;
1961		2428
1962	# do generation counting so two concurrent goto's will be executed in-order	2429	# do generation counting so two concurrent goto's will be executed in-order
1963	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2430	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964		2431
1965	$self->enter_link;	2432	$self->enter_link;
…		…
1985		2452
1986	if ($gen == $self->{_goto_generation}) {	2453	if ($gen == $self->{_goto_generation}) {
1987	delete $self->{_goto_generation};	2454	delete $self->{_goto_generation};
1988	$self->leave_link ($map, $x, $y);	2455	$self->leave_link ($map, $x, $y);
1989	}	2456	}
		2457
		2458	$done->() if $done;
1990	})->prio (1);	2459	})->prio (1);
1991	}	2460	}
1992		2461
1993	=item $player_object->enter_exit ($exit_object)	2462	=item $player_object->enter_exit ($exit_object)
1994		2463
…		…
2063	my $hp = $exit->stats->hp;	2532	my $hp = $exit->stats->hp;
2064	my $sp = $exit->stats->sp;	2533	my $sp = $exit->stats->sp;
2065		2534
2066	$self->enter_link;	2535	$self->enter_link;
2067		2536
		2537	# if exit is damned, update players death & WoR home-position
		2538	$self->contr->savebed ($slaying, $hp, $sp)
		2539	if $exit->flag (FLAG_DAMNED);
		2540
2068	(async {	2541	(async {
2069	$self->deactivate_recursive; # just to be sure	2542	$self->deactivate_recursive; # just to be sure
2070	unless (eval {	2543	unless (eval {
2071	$self->goto ($slaying, $hp, $sp);	2544	$self->goto ($slaying, $hp, $sp);
2072		2545
…		…
2099		2572
2100	utf8::encode $text;	2573	utf8::encode $text;
2101	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2574	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2102	}	2575	}
2103		2576
		2577	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2578
		2579	Send a drawinfo or msg packet to the client, formatting the msg for the
		2580	client if neccessary. C<$type> should be a string identifying the type of
		2581	the message, with C<log> being the default. If C<$color> is negative, suppress
		2582	the message unless the client supports the msg packet.
		2583
		2584	=cut
		2585
		2586	our %CHANNEL = (
		2587	"c/identify" => {
		2588	id => "identify",
		2589	title => "Identify",
		2590	reply => undef,
		2591	tooltip => "Items recently identified",
		2592	},
		2593	"c/examine" => {
		2594	id => "examine",
		2595	title => "Examine",
		2596	reply => undef,
		2597	tooltip => "Signs and other items you examined",
		2598	},
		2599	);
		2600
		2601	sub cf::client::send_msg {
		2602	my ($self, $channel, $msg, $color, @extra) = @_;
		2603
		2604	$msg = $self->pl->expand_cfpod ($msg);
		2605
		2606	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2607
		2608	# check predefined channels, for the benefit of C
		2609	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2610
		2611	if (ref $channel) {
		2612	# send meta info to client, if not yet sent
		2613	unless (exists $self->{channel}{$channel->{id}}) {
		2614	$self->{channel}{$channel->{id}} = $channel;
		2615	$self->ext_msg (channel_info => $channel)
		2616	if $self->can_msg;
		2617	}
		2618
		2619	$channel = $channel->{id};
		2620	}
		2621
		2622	return unless @extra || length $msg;
		2623
		2624	if ($self->can_msg) {
		2625	# default colour, mask it out
		2626	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2627	if $color & cf::NDI_DEF;
		2628
		2629	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2630	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2631	} else {
		2632	if ($color >= 0) {
		2633	# replace some tags by gcfclient-compatible ones
		2634	for ($msg) {
		2635	1 while
		2636	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2637	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2638	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2639	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2640	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2641	}
		2642
		2643	$color &= cf::NDI_COLOR_MASK;
		2644
		2645	utf8::encode $msg;
		2646
		2647	if (0 && $msg =~ /\[/) {
		2648	# COMMAND/INFO
		2649	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2650	} else {
		2651	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2652	$self->send_packet ("drawinfo $color $msg")
		2653	}
		2654	}
		2655	}
		2656	}
		2657
2104	=item $client->ext_event ($type, %msg)	2658	=item $client->ext_msg ($type, @msg)
2105		2659
2106	Sends an exti event to the client.	2660	Sends an ext event to the client.
2107		2661
2108	=cut	2662	=cut
2109		2663
2110	sub cf::client::ext_event($$%) {	2664	sub cf::client::ext_msg($$@) {
2111	my ($self, $type, %msg) = @_;	2665	my ($self, $type, @msg) = @_;
2112		2666
		2667	if ($self->extcmd == 2) {
		2668	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2669	} elsif ($self->extcmd == 1) { # TODO: remove
2113	$msg{msgtype} = "event_$type";	2670	push @msg, msgtype => "event_$type";
2114	$self->send_packet ("ext " . cf::to_json \%msg);	2671	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2672	}
		2673	}
		2674
		2675	=item $client->ext_reply ($msgid, @msg)
		2676
		2677	Sends an ext reply to the client.
		2678
		2679	=cut
		2680
		2681	sub cf::client::ext_reply($$@) {
		2682	my ($self, $id, @msg) = @_;
		2683
		2684	if ($self->extcmd == 2) {
		2685	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2686	} elsif ($self->extcmd == 1) {
		2687	#TODO: version 1, remove
		2688	unshift @msg, msgtype => "reply", msgid => $id;
		2689	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2690	}
2115	}	2691	}
2116		2692
2117	=item $success = $client->query ($flags, "text", \&cb)	2693	=item $success = $client->query ($flags, "text", \&cb)
2118		2694
2119	Queues a query to the client, calling the given callback with	2695	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>,	2696	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>.	2697	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2122		2698
2123	Queries can fail, so check the return code. Or don't, as queries will become	2699	Queries can fail, so check the return code. Or don't, as queries will
2124	reliable at some point in the future.	2700	become reliable at some point in the future.
2125		2701
2126	=cut	2702	=cut
2127		2703
2128	sub cf::client::query {	2704	sub cf::client::query {
2129	my ($self, $flags, $text, $cb) = @_;	2705	my ($self, $flags, $text, $cb) = @_;
…		…
2137	utf8::encode $text;	2713	utf8::encode $text;
2138	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2714	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139		2715
2140	$self->send_packet ($self->{query_queue}[0][0])	2716	$self->send_packet ($self->{query_queue}[0][0])
2141	if @{ $self->{query_queue} } == 1;	2717	if @{ $self->{query_queue} } == 1;
		2718
		2719	1
2142	}	2720	}
2143		2721
2144	cf::client->attach (	2722	cf::client->attach (
		2723	on_connect => sub {
		2724	my ($ns) = @_;
		2725
		2726	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2727	},
2145	on_reply => sub {	2728	on_reply => sub {
2146	my ($ns, $msg) = @_;	2729	my ($ns, $msg) = @_;
2147		2730
2148	# this weird shuffling is so that direct followup queries	2731	# this weird shuffling is so that direct followup queries
2149	# get handled first	2732	# get handled first
…		…
2161	} else {	2744	} else {
2162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2745	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163	}	2746	}
2164	}	2747	}
2165	},	2748	},
		2749	on_exticmd => sub {
		2750	my ($ns, $buf) = @_;
		2751
		2752	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2753
		2754	if (ref $msg) {
		2755	my ($type, $reply, @payload) =
		2756	"ARRAY" eq ref $msg
		2757	? @$msg
		2758	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2759
		2760	my @reply;
		2761
		2762	if (my $cb = $EXTICMD{$type}) {
		2763	@reply = $cb->($ns, @payload);
		2764	}
		2765
		2766	$ns->ext_reply ($reply, @reply)
		2767	if $reply;
		2768
		2769	} else {
		2770	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2771	}
		2772
		2773	cf::override;
		2774	},
2166	);	2775	);
2167		2776
2168	=item $client->async (\&cb)	2777	=item $client->async (\&cb)
2169		2778
2170	Create a new coroutine, running the specified callback. The coroutine will	2779	Create a new coroutine, running the specified callback. The coroutine will
…		…
2211	our $safe = new Safe "safe";	2820	our $safe = new Safe "safe";
2212	our $safe_hole = new Safe::Hole;	2821	our $safe_hole = new Safe::Hole;
2213		2822
2214	$SIG{FPE} = 'IGNORE';	2823	$SIG{FPE} = 'IGNORE';
2215		2824
2216	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2825	$safe->permit_only (Opcode::opset qw(
		2826	:base_core :base_mem :base_orig :base_math
		2827	grepstart grepwhile mapstart mapwhile
		2828	sort time
		2829	));
2217		2830
2218	# here we export the classes and methods available to script code	2831	# here we export the classes and methods available to script code
2219		2832
2220	=pod	2833	=pod
2221		2834
2222	The following functions and methods are available within a safe environment:	2835	The following functions and methods are available within a safe environment:
2223		2836
2224	cf::object contr pay_amount pay_player map	2837	cf::object
		2838	contr pay_amount pay_player map x y force_find force_add
		2839	insert remove name archname title slaying race decrease_ob_nr
		2840
2225	cf::object::player player	2841	cf::object::player
2226	cf::player peaceful	2842	player
2227	cf::map trigger	2843
		2844	cf::player
		2845	peaceful
		2846
		2847	cf::map
		2848	trigger
2228		2849
2229	=cut	2850	=cut
2230		2851
2231	for (	2852	for (
2232	["cf::object" => qw(contr pay_amount pay_player map)],	2853	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2854	insert remove inv name archname title slaying race
		2855	decrease_ob_nr)],
2233	["cf::object::player" => qw(player)],	2856	["cf::object::player" => qw(player)],
2234	["cf::player" => qw(peaceful)],	2857	["cf::player" => qw(peaceful)],
2235	["cf::map" => qw(trigger)],	2858	["cf::map" => qw(trigger)],
2236	) {	2859	) {
2237	no strict 'refs';	2860	no strict 'refs';
…		…
2308	=back	2931	=back
2309		2932
2310	=cut	2933	=cut
2311		2934
2312	#############################################################################	2935	#############################################################################
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 $@;
2480	_exit 0;
2481	}
2482	}
2483
2484	#############################################################################
2485	# the server's init and main functions	2936	# the server's init and main functions
2486		2937
2487	sub load_facedata($) {	2938	sub load_facedata($) {
2488	my ($path) = @_;	2939	my ($path) = @_;
		2940
		2941	# HACK to clear player env face cache, we need some signal framework
		2942	# for this (global event?)
		2943	%ext::player_env::MUSIC_FACE_CACHE = ();
		2944
		2945	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2489		2946
2490	warn "loading facedata from $path\n";	2947	warn "loading facedata from $path\n";
2491		2948
2492	my $facedata;	2949	my $facedata;
2493	0 < aio_load $path, $facedata	2950	0 < aio_load $path, $facedata
…		…
2496	$facedata = Coro::Storable::thaw $facedata;	2953	$facedata = Coro::Storable::thaw $facedata;
2497		2954
2498	$facedata->{version} == 2	2955	$facedata->{version} == 2
2499	or cf::cleanup "$path: version mismatch, cannot proceed.";	2956	or cf::cleanup "$path: version mismatch, cannot proceed.";
2500		2957
		2958	# patch in the exptable
		2959	$facedata->{resource}{"res/exp_table"} = {
		2960	type => FT_RSRC,
		2961	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2962	};
		2963	cf::cede_to_tick;
		2964
2501	{	2965	{
2502	my $faces = $facedata->{faceinfo};	2966	my $faces = $facedata->{faceinfo};
2503		2967
2504	while (my ($face, $info) = each %$faces) {	2968	while (my ($face, $info) = each %$faces) {
2505	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2969	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2506	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2970	cf::face::set_visibility $idx, $info->{visibility};
		2971	cf::face::set_magicmap $idx, $info->{magicmap};
2507	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2972	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2508	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2973	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2509	Coro::cede;	2974
		2975	cf::cede_to_tick;
2510	}	2976	}
2511		2977
2512	while (my ($face, $info) = each %$faces) {	2978	while (my ($face, $info) = each %$faces) {
2513	next unless $info->{smooth};	2979	next unless $info->{smooth};
2514	my $idx = cf::face::find $face	2980	my $idx = cf::face::find $face
2515	or next;	2981	or next;
2516	if (my $smooth = cf::face::find $info->{smooth}) {	2982	if (my $smooth = cf::face::find $info->{smooth}) {
		2983	cf::face::set_smooth $idx, $smooth;
2517	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2984	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2518	} else {	2985	} else {
2519	warn "smooth face '$info->{smooth}' not found for face '$face'";	2986	warn "smooth face '$info->{smooth}' not found for face '$face'";
2520	}	2987	}
2521	Coro::cede;	2988
		2989	cf::cede_to_tick;
2522	}	2990	}
2523	}	2991	}
2524		2992
2525	{	2993	{
2526	my $anims = $facedata->{animinfo};	2994	my $anims = $facedata->{animinfo};
2527		2995
2528	while (my ($anim, $info) = each %$anims) {	2996	while (my ($anim, $info) = each %$anims) {
2529	cf::anim::set $anim, $info->{frames}, $info->{facings};	2997	cf::anim::set $anim, $info->{frames}, $info->{facings};
2530	Coro::cede;	2998	cf::cede_to_tick;
2531	}	2999	}
2532		3000
2533	cf::anim::invalidate_all; # d'oh	3001	cf::anim::invalidate_all; # d'oh
2534	}	3002	}
2535		3003
		3004	{
		3005	# TODO: for gcfclient pleasure, we should give resources
		3006	# that gcfclient doesn't grok a >10000 face index.
		3007	my $res = $facedata->{resource};
		3008
		3009	my $soundconf = delete $res->{"res/sound.conf"};
		3010
		3011	while (my ($name, $info) = each %$res) {
		3012	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3013	my $data;
		3014
		3015	if ($info->{type} & 1) {
		3016	# prepend meta info
		3017
		3018	my $meta = $enc->encode ({
		3019	name => $name,
		3020	%{ $info->{meta} || {} },
		3021	});
		3022
		3023	$data = pack "(w/a*)*", $meta, $info->{data};
		3024	} else {
		3025	$data = $info->{data};
		3026	}
		3027
		3028	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3029	cf::face::set_type $idx, $info->{type};
		3030
		3031	cf::cede_to_tick;
		3032	}
		3033
		3034	if ($soundconf) {
		3035	$soundconf = $enc->decode (delete $soundconf->{data});
		3036
		3037	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3038	my $sound = $soundconf->{compat}[$_]
		3039	or next;
		3040
		3041	my $face = cf::face::find "sound/$sound->[1]";
		3042	cf::sound::set $sound->[0] => $face;
		3043	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3044	}
		3045
		3046	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3047	my $face = cf::face::find "sound/$v";
		3048	cf::sound::set $k => $face;
		3049	}
		3050	}
		3051	}
		3052
2536	1	3053	1
2537	}	3054	}
2538		3055
		3056	register_exticmd fx_want => sub {
		3057	my ($ns, $want) = @_;
		3058
		3059	while (my ($k, $v) = each %$want) {
		3060	$ns->fx_want ($k, $v);
		3061	}
		3062	};
		3063
2539	sub reload_regions {	3064	sub reload_regions {
		3065	# HACK to clear player env face cache, we need some signal framework
		3066	# for this (global event?)
		3067	%ext::player_env::MUSIC_FACE_CACHE = ();
		3068
2540	load_resource_file "$MAPDIR/regions"	3069	load_resource_file "$MAPDIR/regions"
2541	or die "unable to load regions file\n";	3070	or die "unable to load regions file\n";
		3071
		3072	for (cf::region::list) {
		3073	$_->{match} = qr/$_->{match}/
		3074	if exists $_->{match};
		3075	}
2542	}	3076	}
2543		3077
2544	sub reload_facedata {	3078	sub reload_facedata {
2545	load_facedata "$DATADIR/facedata"	3079	load_facedata "$DATADIR/facedata"
2546	or die "unable to load facedata\n";	3080	or die "unable to load facedata\n";
2547	}	3081	}
2548		3082
2549	sub reload_archetypes {	3083	sub reload_archetypes {
2550	load_resource_file "$DATADIR/archetypes"	3084	load_resource_file "$DATADIR/archetypes"
2551	or die "unable to load archetypes\n";	3085	or die "unable to load archetypes\n";
		3086	#d# NEED to laod twice to resolve forward references
		3087	# this really needs to be done in an extra post-pass
		3088	# (which needs to be synchronous, so solve it differently)
		3089	load_resource_file "$DATADIR/archetypes"
		3090	or die "unable to load archetypes\n";
2552	}	3091	}
2553		3092
2554	sub reload_treasures {	3093	sub reload_treasures {
2555	load_resource_file "$DATADIR/treasures"	3094	load_resource_file "$DATADIR/treasures"
2556	or die "unable to load treasurelists\n";	3095	or die "unable to load treasurelists\n";
…		…
2559	sub reload_resources {	3098	sub reload_resources {
2560	warn "reloading resource files...\n";	3099	warn "reloading resource files...\n";
2561		3100
2562	reload_regions;	3101	reload_regions;
2563	reload_facedata;	3102	reload_facedata;
		3103	#reload_archetypes;#d#
2564	reload_archetypes;	3104	reload_archetypes;
2565	reload_treasures;	3105	reload_treasures;
2566		3106
2567	warn "finished reloading resource files\n";	3107	warn "finished reloading resource files\n";
2568	}	3108	}
2569		3109
2570	sub init {	3110	sub init {
2571	reload_resources;	3111	reload_resources;
2572	}	3112	}
2573		3113
2574	sub cfg_load {	3114	sub reload_config {
2575	open my $fh, "<:utf8", "$CONFDIR/config"	3115	open my $fh, "<:utf8", "$CONFDIR/config"
2576	or return;	3116	or return;
2577		3117
2578	local $/;	3118	local $/;
2579	*CFG = YAML::Syck::Load <$fh>;	3119	*CFG = YAML::Syck::Load <$fh>;
…		…
2599	(async {	3139	(async {
2600	Event::one_event;	3140	Event::one_event;
2601	})->prio (Coro::PRIO_MAX);	3141	})->prio (Coro::PRIO_MAX);
2602	};	3142	};
2603		3143
2604	cfg_load;	3144	reload_config;
2605	db_init;	3145	db_init;
2606	load_extensions;	3146	load_extensions;
2607		3147
2608	$TICK_WATCHER->start;	3148	$TICK_WATCHER->start;
2609	Event::loop;	3149	Event::loop;
…		…
2625	},	3165	},
2626	);	3166	);
2627	}	3167	}
2628	}	3168	}
2629		3169
		3170	sub write_runtime {
		3171	my $runtime = "$LOCALDIR/runtime";
		3172
		3173	# first touch the runtime file to show we are still running:
		3174	# the fsync below can take a very very long time.
		3175
		3176	IO::AIO::aio_utime $runtime, undef, undef;
		3177
		3178	my $guard = cf::lock_acquire "write_runtime";
		3179
		3180	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3181	or return;
		3182
		3183	my $value = $cf::RUNTIME + 90 + 10;
		3184	# 10 is the runtime save interval, for a monotonic clock
		3185	# 60 allows for the watchdog to kill the server.
		3186
		3187	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3188	and return;
		3189
		3190	# always fsync - this file is important
		3191	aio_fsync $fh
		3192	and return;
		3193
		3194	# touch it again to show we are up-to-date
		3195	aio_utime $fh, undef, undef;
		3196
		3197	close $fh
		3198	or return;
		3199
		3200	aio_rename "$runtime~", $runtime
		3201	and return;
		3202
		3203	warn "runtime file written.\n";
		3204
		3205	1
		3206	}
		3207
2630	sub emergency_save() {	3208	sub emergency_save() {
2631	my $freeze_guard = cf::freeze_mainloop;	3209	my $freeze_guard = cf::freeze_mainloop;
2632		3210
2633	warn "enter emergency perl save\n";	3211	warn "enter emergency perl save\n";
2634		3212
…		…
2709	%EXT_CORO = ();	3287	%EXT_CORO = ();
2710		3288
2711	warn "removing commands";	3289	warn "removing commands";
2712	%COMMAND = ();	3290	%COMMAND = ();
2713		3291
2714	warn "removing ext commands";	3292	warn "removing ext/exti commands";
2715	%EXTCMD = ();	3293	%EXTCMD = ();
		3294	%EXTICMD = ();
2716		3295
2717	warn "unloading/nuking all extensions";	3296	warn "unloading/nuking all extensions";
2718	for my $pkg (@EXTS) {	3297	for my $pkg (@EXTS) {
2719	warn "... unloading $pkg";	3298	warn "... unloading $pkg";
2720		3299
…		…
2763	warn "reloading cf.pm";	3342	warn "reloading cf.pm";
2764	require cf;	3343	require cf;
2765	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3344	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2766		3345
2767	warn "loading config and database again";	3346	warn "loading config and database again";
2768	cf::cfg_load;	3347	cf::reload_config;
2769		3348
2770	warn "loading extensions";	3349	warn "loading extensions";
2771	cf::load_extensions;	3350	cf::load_extensions;
2772		3351
2773	warn "reattaching attachments to objects/players";	3352	warn "reattaching attachments to objects/players";
…		…
2866	or die;	3445	or die;
2867		3446
2868	$map->width (50);	3447	$map->width (50);
2869	$map->height (50);	3448	$map->height (50);
2870	$map->alloc;	3449	$map->alloc;
2871	$map->_load_objects ("/tmp/x.map", 1);	3450	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
2872	my $t = Event::time - $t;	3451	my $t = Event::time - $t;
2873		3452
2874	#next unless $t < 0.0013;#d#	3453	#next unless $t < 0.0013;#d#
2875	if ($t < $min) {	3454	if ($t < $min) {
2876	$min = $t;	3455	$min = $t;

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