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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.269 by root, Tue May 22 21:35:26 2007 UTC vs.
Revision 1.362 by root, Mon Sep 10 12:44:06 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 {
…		…
177	$msg .= "\n"	187	$msg .= "\n"
178	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
179		189
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		191
182	utf8::encode $msg;
183	LOG llevError, $msg;	192	LOG llevError, $msg;
184	};	193	};
185	}	194	}
186		195
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	200	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		201	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	202	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		203
194	# we bless all objects into (empty) derived classes to force a method lookup	204	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	205	# within the Safe compartment.
196	for my $pkg (qw(	206	for my $pkg (qw(
197	cf::global cf::attachable	207	cf::global cf::attachable
…		…
205	}	215	}
206		216
207	$Event::DIED = sub {	217	$Event::DIED = sub {
208	warn "error in event callback: @_";	218	warn "error in event callback: @_";
209	};	219	};
		220
		221	#############################################################################
210		222
211	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
212		224
213	=over 4	225	=over 4
214		226
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	246	$d
235	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
236	}	248	}
237		249
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
241		251
242	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
243		253
244	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
245		255
246	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
		257
		258	=cut
		259
		260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		261
		262	sub to_json ($) { $json_coder->encode ($_[0]) }
		263	sub from_json ($) { $json_coder->decode ($_[0]) }
247		264
248	=item cf::lock_wait $string	265	=item cf::lock_wait $string
249		266
250	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
251		268
…		…
254	Wait until the given lock is available and then acquires it and returns	271	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,	272	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	273	for example when the coroutine gets canceled), the lock is automatically
257	returned.	274	returned.
258		275
		276	Locks are *not* recursive, locking from the same coro twice results in a
		277	deadlocked coro.
		278
259	Lock names should begin with a unique identifier (for example, cf::map::find	279	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	280	uses map_find and cf::map::load uses map_load).
261		281
262	=item $locked = cf::lock_active $string	282	=item $locked = cf::lock_active $string
263		283
264	Return true if the lock is currently active, i.e. somebody has locked it.	284	Return true if the lock is currently active, i.e. somebody has locked it.
265		285
266	=cut	286	=cut
267		287
268	our %LOCK;	288	our %LOCK;
		289	our %LOCKER;#d#
269		290
270	sub lock_wait($) {	291	sub lock_wait($) {
271	my ($key) = @_;	292	my ($key) = @_;
		293
		294	if ($LOCKER{$key} == $Coro::current) {#d#
		295	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		296	return;#d#
		297	}#d#
272		298
273	# wait for lock, if any	299	# wait for lock, if any
274	while ($LOCK{$key}) {	300	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;	301	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;	302	Coro::schedule;
…		…
282		308
283	# wait, to be sure we are not locked	309	# wait, to be sure we are not locked
284	lock_wait $key;	310	lock_wait $key;
285		311
286	$LOCK{$key} = [];	312	$LOCK{$key} = [];
		313	$LOCKER{$key} = $Coro::current;#d#
287		314
288	Coro::guard {	315	Coro::guard {
		316	delete $LOCKER{$key};#d#
289	# wake up all waiters, to be on the safe side	317	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };	318	$_->ready for @{ delete $LOCK{$key} };
291	}	319	}
292	}	320	}
293		321
…		…
305	};	333	};
306	$TICK_WATCHER->stop;	334	$TICK_WATCHER->stop;
307	$guard	335	$guard
308	}	336	}
309		337
		338	=item cf::get_slot $time[, $priority[, $name]]
		339
		340	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		341	This call blocks and returns only when you have at least C<$time> seconds
		342	of cpu time till the next tick. The slot is only valid till the next cede.
		343
		344	The optional C<$name> can be used to identify the job to run. It might be
		345	used for statistical purposes and should identify the same time-class.
		346
		347	Useful for short background jobs.
		348
		349	=cut
		350
		351	our @SLOT_QUEUE;
		352	our $SLOT_QUEUE;
		353
		354	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		355	$SLOT_QUEUE = Coro::async {
		356	my $signal = new Coro::Signal;
		357
		358	while () {
		359	next_job:
		360	my $avail = cf::till_tick;
		361	if ($avail > 0.01) {
		362	for (0 .. $#SLOT_QUEUE) {
		363	if ($SLOT_QUEUE[$_][0] < $avail) {
		364	my $job = splice @SLOT_QUEUE, $_, 1, ();
		365	$job->[2]->send;
		366	Coro::cede;
		367	goto next_job;
		368	}
		369	}
		370	}
		371
		372	if (@SLOT_QUEUE) {
		373	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		374	push @cf::WAIT_FOR_TICK, $signal;
		375	$signal->wait;
		376	} else {
		377	Coro::schedule;
		378	}
		379	}
		380	};
		381
		382	sub get_slot($;$$) {
		383	my ($time, $pri, $name) = @_;
		384
		385	$time = $TICK * .6 if $time > $TICK * .6;
		386	my $sig = new Coro::Signal;
		387
		388	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		389	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		390	$SLOT_QUEUE->ready;
		391	$sig->wait;
		392	}
		393
310	=item cf::async { BLOCK }	394	=item cf::async { BLOCK }
311		395
312	Currently the same as Coro::async_pool, meaning you cannot use	396	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	397	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.	398	thing you are allowed to do is call C<prio> on it.
…		…
317		401
318	BEGIN { *async = \&Coro::async_pool }	402	BEGIN { *async = \&Coro::async_pool }
319		403
320	=item cf::sync_job { BLOCK }	404	=item cf::sync_job { BLOCK }
321		405
322	The design of crossfire+ requires that the main coro ($Coro::main) is	406	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	407	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.	408	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		409	acceptable.
325		410
326	If it must be done, put the blocking parts into C<sync_job>. This will run	411	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	412	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	413	server will be frozen during this time, so the block should either finish
329	fast or be very important.	414	fast or be very important.
…		…
389	$EXT_CORO{$coro+0} = $coro;	474	$EXT_CORO{$coro+0} = $coro;
390		475
391	$coro	476	$coro
392	}	477	}
393		478
394	sub write_runtime {	479	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		480
397	# first touch the runtime file to show we are still running:	481	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	482	process, returning the results. Everything must be serialisable with
		483	Coro::Storable. May, of course, block. Note that the executed sub may
		484	never block itself or use any form of Event handling.
399		485
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	486	=cut
401	utime undef, undef, $fh;
402	}
403		487
404	my $guard = cf::lock_acquire "write_runtime";	488	sub fork_call(&@) {
		489	my ($cb, @args) = @_;
405		490
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	491	# we seemingly have to make a local copy of the whole thing,
407	or return;	492	# otherwise perl prematurely frees the stuff :/
		493	# TODO: investigate and fix (likely this will be rather laborious)
408		494
409	my $value = $cf::RUNTIME + 90 + 10;	495	my @res = Coro::Util::fork_eval {
410	# 10 is the runtime save interval, for a monotonic clock	496	reset_signals;
411	# 60 allows for the watchdog to kill the server.	497	&$cb
		498	}, @args;
412		499
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	500	wantarray ? @res : $res[-1]
414	and return;	501	}
415		502
416	# always fsync - this file is important	503	=item $value = cf::db_get $family => $key
417	aio_fsync $fh
418	and return;
419		504
420	# touch it again to show we are up-to-date	505	Returns a single value from the environment database.
421	utime undef, undef, $fh;
422		506
423	close $fh	507	=item cf::db_put $family => $key => $value
424	or return;
425		508
426	aio_rename "$runtime~", $runtime	509	Stores the given C<$value> in the family. It can currently store binary
427	and return;	510	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
428		511
429	warn "runtime file written.\n";#d#	512	=cut
430		513
		514	our $DB;
		515
		516	sub db_init {
		517	unless ($DB) {
		518	$DB = BDB::db_create $DB_ENV;
		519
		520	cf::sync_job {
		521	eval {
		522	$DB->set_flags (BDB::CHKSUM);
		523
		524	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		525	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		526	cf::cleanup "db_open(db): $!" if $!;
		527	};
		528	cf::cleanup "db_open(db): $@" if $@;
		529	};
431	1	530	}
		531	}
		532
		533	sub db_get($$) {
		534	my $key = "$_[0]/$_[1]";
		535
		536	cf::sync_job {
		537	BDB::db_get $DB, undef, $key, my $data;
		538
		539	$! ? ()
		540	: $data
		541	}
		542	}
		543
		544	sub db_put($$$) {
		545	BDB::dbreq_pri 4;
		546	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		547	}
		548
		549	=item cf::cache $id => [$paths...], $processversion => $process
		550
		551	Generic caching function that returns the value of the resource $id,
		552	caching and regenerating as required.
		553
		554	This function can block.
		555
		556	=cut
		557
		558	sub cache {
		559	my ($id, $src, $processversion, $process) = @_;
		560
		561	my $meta =
		562	join "\x00",
		563	$processversion,
		564	map {
		565	aio_stat $_
		566	and Carp::croak "$_: $!";
		567
		568	($_, (stat _)[7,9])
		569	} @$src;
		570
		571	my $dbmeta = db_get cache => "$id/meta";
		572	if ($dbmeta ne $meta) {
		573	# changed, we may need to process
		574
		575	my @data;
		576	my $md5;
		577
		578	for (0 .. $#$src) {
		579	0 <= aio_load $src->[$_], $data[$_]
		580	or Carp::croak "$src->[$_]: $!";
		581	}
		582
		583	# if processing is expensive, check
		584	# checksum first
		585	if (1) {
		586	$md5 =
		587	join "\x00",
		588	$processversion,
		589	map {
		590	cf::cede_to_tick;
		591	($src->[$_], Digest::MD5::md5_hex $data[$_])
		592	} 0.. $#$src;
		593
		594
		595	my $dbmd5 = db_get cache => "$id/md5";
		596	if ($dbmd5 eq $md5) {
		597	db_put cache => "$id/meta", $meta;
		598
		599	return db_get cache => "$id/data";
		600	}
		601	}
		602
		603	my $t1 = Time::HiRes::time;
		604	my $data = $process->(\@data);
		605	my $t2 = Time::HiRes::time;
		606
		607	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		608
		609	db_put cache => "$id/data", $data;
		610	db_put cache => "$id/md5" , $md5;
		611	db_put cache => "$id/meta", $meta;
		612
		613	return $data;
		614	}
		615
		616	db_get cache => "$id/data"
432	}	617	}
433		618
434	=item cf::datalog type => key => value, ...	619	=item cf::datalog type => key => value, ...
435		620
436	Log a datalog packet of the given type with the given key-value pairs.	621	Log a datalog packet of the given type with the given key-value pairs.
…		…
454	attach callbacks/event handlers (a collection of which is called an "attachment")	639	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	640	to it. All such attachable objects support the following methods.
456		641
457	In the following description, CLASS can be any of C<global>, C<object>	642	In the following description, CLASS can be any of C<global>, C<object>
458	C<player>, C<client> or C<map> (i.e. the attachable objects in	643	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	644	Crossfire TRT).
460		645
461	=over 4	646	=over 4
462		647
463	=item $attachable->attach ($attachment, key => $value...)	648	=item $attachable->attach ($attachment, key => $value...)
464		649
…		…
666	_attach $registry, $klass, @attach;	851	_attach $registry, $klass, @attach;
667	}	852	}
668		853
669	$obj->{$name} = \%arg;	854	$obj->{$name} = \%arg;
670	} else {	855	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	856	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	857	}
673		858
674	$obj->{_attachment}{$name} = undef;	859	$obj->{_attachment}{$name} = undef;
675	}	860	}
676		861
…		…
716	";	901	";
717	die if $@;	902	die if $@;
718	}	903	}
719		904
720	our $override;	905	our $override;
721	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	906	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
722		907
723	sub override {	908	sub override {
724	$override = 1;	909	$override = 1;
725	@invoke_results = ();	910	@INVOKE_RESULTS = (@_);
726	}	911	}
727		912
728	sub do_invoke {	913	sub do_invoke {
729	my $event = shift;	914	my $event = shift;
730	my $callbacks = shift;	915	my $callbacks = shift;
731		916
732	@invoke_results = ();	917	@INVOKE_RESULTS = ();
733		918
734	local $override;	919	local $override;
735		920
736	for (@$callbacks) {	921	for (@$callbacks) {
737	eval { &{$_->[1]} };	922	eval { &{$_->[1]} };
…		…
754		939
755	Generate an object-specific event with the given arguments.	940	Generate an object-specific event with the given arguments.
756		941
757	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	942	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
758	removed in future versions), and there is no public API to access override	943	removed in future versions), and there is no public API to access override
759	results (if you must, access C<@cf::invoke_results> directly).	944	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		945
761	=back	946	=back
762		947
763	=cut	948	=cut
764		949
765	#############################################################################	950	#############################################################################
766	# object support	951	# object support
		952	#
		953
		954	sub _can_merge {
		955	my ($ob1, $ob2) = @_;
		956
		957	local $Storable::canonical = 1;
		958	my $fob1 = Storable::freeze $ob1;
		959	my $fob2 = Storable::freeze $ob2;
		960
		961	$fob1 eq $fob2
		962	}
767		963
768	sub reattach {	964	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	965	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	966	my ($obj) = @_;
771		967
…		…
816	);	1012	);
817		1013
818	sub object_freezer_save {	1014	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1015	my ($filename, $rdata, $objs) = @_;
820		1016
		1017	my $guard = cf::lock_acquire "io";
		1018
821	sync_job {	1019	sync_job {
822	if (length $$rdata) {	1020	if (length $$rdata) {
		1021	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1022	warn sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1023	$decname, length $$rdata, scalar @$objs;
825		1024
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1025	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1026	chmod SAVE_MODE, $fh;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1027	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	aio_fsync $fh if $cf::USE_FSYNC;	1028	aio_fsync $fh if $cf::USE_FSYNC;
…		…
848	}	1047	}
849	} else {	1048	} else {
850	aio_unlink $filename;	1049	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1050	aio_unlink "$filename.pst";
852	}	1051	}
853	}	1052	};
		1053
		1054	undef $guard;
854	}	1055	}
855		1056
856	sub object_freezer_as_string {	1057	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1058	my ($rdata, $objs) = @_;
858		1059
…		…
863		1064
864	sub object_thawer_load {	1065	sub object_thawer_load {
865	my ($filename) = @_;	1066	my ($filename) = @_;
866		1067
867	my ($data, $av);	1068	my ($data, $av);
		1069
		1070	my $guard = cf::lock_acquire "io";
868		1071
869	(aio_load $filename, $data) >= 0	1072	(aio_load $filename, $data) >= 0
870	or return;	1073	or return;
871		1074
872	unless (aio_stat "$filename.pst") {	1075	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1076	(aio_load "$filename.pst", $av) >= 0
874	or return;	1077	or return;
		1078
		1079	undef $guard;
875	$av = eval { (Storable::thaw $av)->{objs} };	1080	$av = eval { (Storable::thaw $av)->{objs} };
876	}	1081	}
877		1082
		1083	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1084	warn sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1085	$decname, length $data, scalar @{$av || []};
		1086
880	return ($data, $av);	1087	($data, $av)
881	}	1088	}
		1089
		1090	=head2 COMMAND CALLBACKS
		1091
		1092	=over 4
		1093
		1094	=cut
882		1095
883	#############################################################################	1096	#############################################################################
884	# command handling &c	1097	# command handling &c
885		1098
886	=item cf::register_command $name => \&callback($ob,$args);	1099	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1112	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1113	}
901		1114
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1115	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1116
904	Register a callbackf ro execution when the client sends an extcmd packet.	1117	Register a callback for execution when the client sends an (synchronous)
		1118	extcmd packet. Ext commands will be processed in the order they are
		1119	received by the server, like other user commands. The first argument is
		1120	the logged-in player. Ext commands can only be processed after a player
		1121	has logged in successfully.
905		1122
906	If the callback returns something, it is sent back as if reply was being	1123	If the callback returns something, it is sent back as if reply was being
907	called.	1124	called.
908		1125
		1126	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1127
		1128	Register a callback for execution when the client sends an (asynchronous)
		1129	exticmd packet. Exti commands are processed by the server as soon as they
		1130	are received, i.e. out of order w.r.t. other commands. The first argument
		1131	is a client socket. Exti commands can be received anytime, even before
		1132	log-in.
		1133
		1134	If the callback returns something, it is sent back as if reply was being
		1135	called.
		1136
909	=cut	1137	=cut
910		1138
911	sub register_extcmd {	1139	sub register_extcmd {
912	my ($name, $cb) = @_;	1140	my ($name, $cb) = @_;
913		1141
914	$EXTCMD{$name} = $cb;	1142	$EXTCMD{$name} = $cb;
		1143	}
		1144
		1145	sub register_exticmd {
		1146	my ($name, $cb) = @_;
		1147
		1148	$EXTICMD{$name} = $cb;
915	}	1149	}
916		1150
917	cf::player->attach (	1151	cf::player->attach (
918	on_command => sub {	1152	on_command => sub {
919	my ($pl, $name, $params) = @_;	1153	my ($pl, $name, $params) = @_;
…		…
928	cf::override;	1162	cf::override;
929	},	1163	},
930	on_extcmd => sub {	1164	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1165	my ($pl, $buf) = @_;
932		1166
933	my $msg = eval { from_json $buf };	1167	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1168
935	if (ref $msg) {	1169	if (ref $msg) {
		1170	my ($type, $reply, @payload) =
		1171	"ARRAY" eq ref $msg
		1172	? @$msg
		1173	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1174
		1175	my @reply;
		1176
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1177	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1178	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1179	}
		1180
		1181	$pl->ext_reply ($reply, @reply)
		1182	if $reply;
		1183
941	} else {	1184	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1185	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1186	}
944		1187
945	cf::override;	1188	cf::override;
946	},	1189	},
947	);	1190	);
948		1191
949	sub load_extension {
950	my ($path) = @_;
951
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
953	my $base = $1;
954	my $pkg = $1;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}
977	die $@;
978	}
979
980	push @EXTS, $pkg;
981	}
982
983	sub load_extensions {	1192	sub load_extensions {
		1193	cf::sync_job {
		1194	my %todo;
		1195
984	for my $ext (<$LIBDIR/*.ext>) {	1196	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1197	next unless -r $path;
986	eval {	1198
987	load_extension $ext;	1199	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1200	my $base = $1;
		1201	my $pkg = $1;
		1202	$pkg =~ s/[^[:word:]]/_/g;
		1203	$pkg = "ext::$pkg";
		1204
		1205	open my $fh, "<:utf8", $path
		1206	or die "$path: $!";
		1207
		1208	my $source = do { local $/; <$fh> };
		1209
		1210	my %ext = (
		1211	path => $path,
		1212	base => $base,
		1213	pkg => $pkg,
		1214	);
		1215
		1216	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1217	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1218
		1219	$ext{source} =
		1220	"package $pkg; use strict; use utf8;\n"
		1221	. "#line 1 \"$path\"\n{\n"
		1222	. $source
		1223	. "\n};\n1";
		1224
		1225	$todo{$base} = \%ext;
		1226	}
		1227
		1228	my %done;
		1229	while (%todo) {
		1230	my $progress;
		1231
		1232	while (my ($k, $v) = each %todo) {
		1233	for (split /,\s*/, $v->{meta}{depends}) {
		1234	goto skip
		1235	unless exists $done{$_};
		1236	}
		1237
		1238	warn "... loading '$k' into '$v->{pkg}'\n";
		1239
		1240	unless (eval $v->{source}) {
		1241	my $msg = $@ ? "$v->{path}: $@\n"
		1242	: "$v->{base}: extension inactive.\n";
		1243
		1244	if (exists $v->{meta}{mandatory}) {
		1245	warn $msg;
		1246	warn "mandatory extension failed to load, exiting.\n";
		1247	exit 1;
		1248	}
		1249
		1250	warn $msg;
		1251	}
		1252
		1253	$done{$k} = delete $todo{$k};
		1254	push @EXTS, $v->{pkg};
		1255	$progress = 1;
988	1	1256	}
989	} or warn "$ext not loaded: $@";	1257
		1258	skip:
		1259	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1260	unless $progress;
		1261	}
990	}	1262	};
991	}	1263	}
992		1264
993	#############################################################################	1265	#############################################################################
994		1266
		1267	=back
		1268
995	=head2 CORE EXTENSIONS	1269	=head2 CORE EXTENSIONS
996		1270
997	Functions and methods that extend core crossfire objects.	1271	Functions and methods that extend core crossfire objects.
998		1272
999	=cut	1273	=cut
…		…
1003	use Coro::AIO;	1277	use Coro::AIO;
1004		1278
1005	=head3 cf::player	1279	=head3 cf::player
1006		1280
1007	=over 4	1281	=over 4
		1282
		1283	=item cf::player::num_playing
		1284
		1285	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1286
		1287	=cut
		1288
		1289	sub num_playing {
		1290	scalar grep
		1291	$_->ob->map
		1292	&& !$_->hidden
		1293	&& !$_->ob->flag (cf::FLAG_WIZ),
		1294	cf::player::list
		1295	}
1008		1296
1009	=item cf::player::find $login	1297	=item cf::player::find $login
1010		1298
1011	Returns the given player object, loading it if necessary (might block).	1299	Returns the given player object, loading it if necessary (might block).
1012		1300
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1336	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1337	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1338	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1339	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1340
1053	my $pl = load_pl path $login	1341	my $f = new_from_file cf::object::thawer path $login
1054	or return;	1342	or return;
		1343
		1344	$f->next;
		1345	my $pl = cf::player::load_pl $f
		1346	or return;
		1347	local $cf::PLAYER_LOADING{$login} = $pl;
		1348	$f->resolve_delayed_derefs;
1055	$cf::PLAYER{$login} = $pl	1349	$cf::PLAYER{$login} = $pl
1056	}	1350	}
1057	}	1351	}
1058	}	1352	}
1059		1353
…		…
1069		1363
1070	aio_mkdir playerdir $pl, 0770;	1364	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1365	$pl->{last_save} = $cf::RUNTIME;
1072		1366
1073	$pl->save_pl ($path);	1367	$pl->save_pl ($path);
1074	Coro::cede;	1368	cf::cede_to_tick;
1075	}	1369	}
1076		1370
1077	sub new($) {	1371	sub new($) {
1078	my ($login) = @_;	1372	my ($login) = @_;
1079		1373
…		…
1083	$self->{deny_save} = 1;	1377	$self->{deny_save} = 1;
1084		1378
1085	$cf::PLAYER{$login} = $self;	1379	$cf::PLAYER{$login} = $self;
1086		1380
1087	$self	1381	$self
		1382	}
		1383
		1384	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1385
		1386	=cut
		1387
		1388	sub send_msg {
		1389	my $ns = shift->ns
		1390	or return;
		1391	$ns->send_msg (@_);
1088	}	1392	}
1089		1393
1090	=item $pl->quit_character	1394	=item $pl->quit_character
1091		1395
1092	Nukes the player without looking back. If logged in, the connection will	1396	Nukes the player without looking back. If logged in, the connection will
…		…
1147	or return [];	1451	or return [];
1148		1452
1149	my @logins;	1453	my @logins;
1150		1454
1151	for my $login (@$dirs) {	1455	for my $login (@$dirs) {
		1456	my $path = path $login;
		1457
		1458	# a .pst is a dead give-away for a valid player
		1459	unless (-e "$path.pst") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1460	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1461	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1462	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1463	}
1155		1464
1156	utf8::decode $login;	1465	utf8::decode $login;
1157	push @logins, $login;	1466	push @logins, $login;
1158	}	1467	}
1159		1468
…		…
1186	}	1495	}
1187		1496
1188	\@paths	1497	\@paths
1189	}	1498	}
1190		1499
		1500	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1501
		1502	Expand crossfire pod fragments into protocol xml.
		1503
		1504	=cut
		1505
		1506	sub expand_cfpod {
		1507	((my $self), (local $_)) = @_;
		1508
		1509	# escape & and <
		1510	s/&/&amp;/g;
		1511	s/(?<![BIUGHT])</&lt;/g;
		1512
		1513	# this is buggy, it needs to properly take care of nested <'s
		1514
		1515	1 while
		1516	# replace B<>, I<>, U<> etc.
		1517	s/B<([^\>]*)>/<b>$1<\/b>/
		1518	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1519	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1520	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1521	# replace G<male|female> tags
		1522	|| s{G<([^>|]*)\|([^>]*)>}{
		1523	$self->gender ? $2 : $1
		1524	}ge
		1525	# replace H<hint text>
		1526	|| s{H<([^\>]*)>}
		1527	{
		1528	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1529	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1530	"")
		1531	[$self->{hintmode}]
		1532	}ge;
		1533
		1534	# create single paragraphs (very hackish)
		1535	s/(?<=\S)\n(?=\w)/ /g;
		1536
		1537	# compress some whitespace
		1538	s/\s+\n/\n/g; # ws line-ends
		1539	s/\n\n+/\n/g; # double lines
		1540	s/^\n+//; # beginning lines
		1541	s/\n+$//; # ending lines
		1542
		1543	$_
		1544	}
		1545
		1546	sub hintmode {
		1547	$_[0]{hintmode} = $_[1] if @_ > 1;
		1548	$_[0]{hintmode}
		1549	}
		1550
1191	=item $player->ext_reply ($msgid, %msg)	1551	=item $player->ext_reply ($msgid, @msg)
1192		1552
1193	Sends an ext reply to the player.	1553	Sends an ext reply to the player.
1194		1554
1195	=cut	1555	=cut
1196		1556
1197	sub ext_reply($$%) {	1557	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1558	my ($self, $id, @msg) = @_;
1199		1559
1200	$msg{msgid} = $id;	1560	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1561	}
1204		1562
1205	=item $player->ext_event ($type, %msg)	1563	=item $player->ext_msg ($type, @msg)
1206		1564
1207	Sends an ext event to the client.	1565	Sends an ext event to the client.
1208		1566
1209	=cut	1567	=cut
1210		1568
1211	sub ext_event($$%) {	1569	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1570	my ($self, $type, @msg) = @_;
1213		1571
1214	$self->ns->ext_event ($type, %msg);	1572	$self->ns->ext_msg ($type, @msg);
1215	}	1573	}
1216		1574
1217	=head3 cf::region	1575	=head3 cf::region
1218		1576
1219	=over 4	1577	=over 4
…		…
1222		1580
1223	package cf::region;	1581	package cf::region;
1224		1582
1225	=item cf::region::find_by_path $path	1583	=item cf::region::find_by_path $path
1226		1584
1227	Tries to decuce the probable region for a map knowing only its path.	1585	Tries to decuce the likely region for a map knowing only its path.
1228		1586
1229	=cut	1587	=cut
1230		1588
1231	sub find_by_path($) {	1589	sub find_by_path($) {
1232	my ($path) = @_;	1590	my ($path) = @_;
1233		1591
1234	my ($match, $specificity);	1592	my ($match, $specificity);
1235		1593
1236	for my $region (list) {	1594	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1595	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1596	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1597	if $region->specificity > $specificity;
1240	}	1598	}
1241	}	1599	}
1242		1600
…		…
1306	my ($self, $merge) = @_;	1664	my ($self, $merge) = @_;
1307		1665
1308	# we have to keep some variables in memory intact	1666	# we have to keep some variables in memory intact
1309	local $self->{path};	1667	local $self->{path};
1310	local $self->{load_path};	1668	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1669
1314	$self->SUPER::thawer_merge ($merge);	1670	$self->SUPER::thawer_merge ($merge);
1315	}	1671	}
1316		1672
1317	sub normalise {	1673	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1720	$self->init; # pass $1 etc.
1365	return $self;	1721	return $self;
1366	}	1722	}
1367	}	1723	}
1368		1724
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1725	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1726	()
1371	}	1727	}
1372		1728
1373	sub init {	1729	sub init {
1374	my ($self) = @_;	1730	my ($self) = @_;
…		…
1417		1773
1418	$_->change_map_light ($change)	1774	$_->change_map_light ($change)
1419	for grep $_->outdoor, values %cf::MAP;	1775	for grep $_->outdoor, values %cf::MAP;
1420	}	1776	}
1421		1777
		1778	sub decay_objects {
		1779	my ($self) = @_;
		1780
		1781	return if $self->{deny_reset};
		1782
		1783	$self->do_decay_objects;
		1784	}
		1785
1422	sub unlink_save {	1786	sub unlink_save {
1423	my ($self) = @_;	1787	my ($self) = @_;
1424		1788
1425	utf8::encode (my $save = $self->save_path);	1789	utf8::encode (my $save = $self->save_path);
1426	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1790	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1429		1793
1430	sub load_header_from($) {	1794	sub load_header_from($) {
1431	my ($self, $path) = @_;	1795	my ($self, $path) = @_;
1432		1796
1433	utf8::encode $path;	1797	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	1798	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	or return;	1799	or return;
		1800
		1801	$self->_load_header ($f)
		1802	or return;
		1803
		1804	local $MAP_LOADING{$self->{path}} = $self;
		1805	$f->resolve_delayed_derefs;
1439		1806
1440	$self->{load_path} = $path;	1807	$self->{load_path} = $path;
1441		1808
1442	1	1809	1
1443	}	1810	}
…		…
1482	$self->load_header_orig	1849	$self->load_header_orig
1483	or return;	1850	or return;
1484	$self->prepare_orig;	1851	$self->prepare_orig;
1485	}	1852	}
1486		1853
		1854	$self->{deny_reset} = 1
		1855	if $self->no_reset;
		1856
1487	$self->default_region (cf::region::find_by_path $self->{path})	1857	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	1858	unless $self->default_region;
1489		1859
1490	1	1860	1
1491	}	1861	}
…		…
1494	sub find {	1864	sub find {
1495	my ($path, $origin) = @_;	1865	my ($path, $origin) = @_;
1496		1866
1497	$path = normalise $path, $origin && $origin->path;	1867	$path = normalise $path, $origin && $origin->path;
1498		1868
		1869	cf::lock_wait "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	1870	cf::lock_wait "map_find:$path";
1500		1871
1501	$cf::MAP{$path} || do {	1872	$cf::MAP{$path} || do {
1502	my $guard = cf::lock_acquire "map_find:$path";	1873	my $guard1 = cf::lock_acquire "map_find:$path";
		1874	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1875
1503	my $map = new_from_path cf::map $path	1876	my $map = new_from_path cf::map $path
1504	or return;	1877	or return;
1505		1878
1506	$map->{last_save} = $cf::RUNTIME;	1879	$map->{last_save} = $cf::RUNTIME;
1507		1880
1508	$map->load_header	1881	$map->load_header
1509	or return;	1882	or return;
1510		1883
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1884	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	1885	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	1886	#$cf::WAIT_FOR_TICK->wait;
		1887	undef $guard1;
		1888	undef $guard2;
1514	$map->reset;	1889	$map->reset;
1515	undef $guard;
1516	return find $path;	1890	return find $path;
1517	}	1891	}
1518		1892
1519	$cf::MAP{$path} = $map	1893	$cf::MAP{$path} = $map
1520	}	1894	}
…		…
1529	local $self->{deny_reset} = 1; # loading can take a long time	1903	local $self->{deny_reset} = 1; # loading can take a long time
1530		1904
1531	my $path = $self->{path};	1905	my $path = $self->{path};
1532		1906
1533	{	1907	{
1534	my $guard = cf::lock_acquire "map_load:$path";	1908	my $guard = cf::lock_acquire "map_data:$path";
1535		1909
		1910	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	1911	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		1912
1538	$self->in_memory (cf::MAP_LOADING);	1913	$self->in_memory (cf::MAP_LOADING);
1539		1914
1540	$self->alloc;	1915	$self->alloc;
1541		1916
1542	$self->pre_load;	1917	$self->pre_load;
1543	Coro::cede;	1918	cf::cede_to_tick;
1544		1919
		1920	my $f = new_from_file cf::object::thawer $self->{load_path};
		1921	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	1922	$self->_load_objects ($f)
1546	or return;	1923	or return;
1547		1924
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1925	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1549	if delete $self->{load_original};	1926	if delete $self->{load_original};
1550		1927
1551	if (my $uniq = $self->uniq_path) {	1928	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	1929	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	1930	unless (aio_stat $uniq) {
		1931	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	1932	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	1933	$self->_load_objects ($f);
		1934	$f->resolve_delayed_derefs;
		1935	}
1556	}	1936	}
1557	}	1937	}
1558		1938
1559	Coro::cede;	1939	$f->resolve_delayed_derefs;
		1940
		1941	cf::cede_to_tick;
1560	# now do the right thing for maps	1942	# now do the right thing for maps
1561	$self->link_multipart_objects;	1943	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	1944	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	1945	unless $self->difficulty;
1564	Coro::cede;	1946	cf::cede_to_tick;
1565		1947
1566	unless ($self->{deny_activate}) {	1948	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	1949	$self->decay_objects;
1568	$self->fix_auto_apply;	1950	$self->fix_auto_apply;
1569	$self->update_buttons;	1951	$self->update_buttons;
1570	Coro::cede;	1952	cf::cede_to_tick;
1571	$self->set_darkness_map;	1953	$self->set_darkness_map;
1572	Coro::cede;	1954	cf::cede_to_tick;
1573	$self->activate;	1955	$self->activate;
1574	}	1956	}
		1957
		1958	$self->{last_save} = $cf::RUNTIME;
		1959	$self->last_access ($cf::RUNTIME);
1575		1960
1576	$self->in_memory (cf::MAP_IN_MEMORY);	1961	$self->in_memory (cf::MAP_IN_MEMORY);
1577	}	1962	}
1578		1963
1579	$self->post_load;	1964	$self->post_load;
…		…
1583	my ($self, $ob) = @_;	1968	my ($self, $ob) = @_;
1584		1969
1585	return find "~" . $ob->name . "/" . $self->{path}	1970	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	1971	if $self->per_player;
1587		1972
		1973	# return find "?party/" . $ob->name . "/" . $self->{path}
		1974	# if $self->per_party;
		1975
1588	$self	1976	$self
1589	}	1977	}
1590		1978
1591	# find and load all maps in the 3x3 area around a map	1979	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	1980	sub load_neighbours {
1593	my ($map) = @_;	1981	my ($map) = @_;
1594		1982
1595	my @diag; # diagonal neighbours	1983	my @neigh; # diagonal neighbours
1596		1984
1597	for (0 .. 3) {	1985	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	1986	my $neigh = $map->tile_path ($_)
1599	or next;	1987	or next;
1600	$neigh = find $neigh, $map	1988	$neigh = find $neigh, $map
1601	or next;	1989	or next;
1602	$neigh->load;	1990	$neigh->load;
1603		1991
		1992	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1993	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1994	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	1995	}
1607		1996
1608	for (@diag) {	1997	for (grep defined $_->[0], @neigh) {
		1998	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	1999	my $neigh = find $path, $origin
1610	or next;	2000	or next;
1611	$neigh->load;	2001	$neigh->load;
1612	}	2002	}
1613	}	2003	}
1614		2004
…		…
1619	}	2009	}
1620		2010
1621	sub do_load_sync {	2011	sub do_load_sync {
1622	my ($map) = @_;	2012	my ($map) = @_;
1623		2013
		2014	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2015	if $Coro::current == $Coro::main;
		2016
1624	cf::sync_job { $map->load };	2017	cf::sync_job { $map->load };
1625	}	2018	}
1626		2019
1627	our %MAP_PREFETCH;	2020	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2021	our $MAP_PREFETCHER = undef;
1629		2022
1630	sub find_async {	2023	sub find_async {
1631	my ($path, $origin) = @_;	2024	my ($path, $origin, $load) = @_;
1632		2025
1633	$path = normalise $path, $origin && $origin->{path};	2026	$path = normalise $path, $origin && $origin->{path};
1634		2027
1635	if (my $map = $cf::MAP{$path}) {	2028	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2029	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1637	}	2030	}
1638		2031
1639	undef $MAP_PREFETCH{$path};	2032	$MAP_PREFETCH{$path} |= $load;
		2033
1640	$MAP_PREFETCHER ||= cf::async {	2034	$MAP_PREFETCHER ||= cf::async {
1641	while (%MAP_PREFETCH) {	2035	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2036	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2037	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2038	$map->load if $v;
		2039	}
1646		2040
1647	delete $MAP_PREFETCH{$path};	2041	delete $MAP_PREFETCH{$k};
1648	}	2042	}
1649	}	2043	}
1650	undef $MAP_PREFETCHER;	2044	undef $MAP_PREFETCHER;
1651	};	2045	};
1652	$MAP_PREFETCHER->prio (6);	2046	$MAP_PREFETCHER->prio (6);
…		…
1655	}	2049	}
1656		2050
1657	sub save {	2051	sub save {
1658	my ($self) = @_;	2052	my ($self) = @_;
1659		2053
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;	2054	my $lock = cf::lock_acquire "map_data:$self->{path}";
1661		2055
1662	$self->{last_save} = $cf::RUNTIME;	2056	$self->{last_save} = $cf::RUNTIME;
1663		2057
1664	return unless $self->dirty;	2058	return unless $self->dirty;
1665		2059
…		…
1688	my ($self) = @_;	2082	my ($self) = @_;
1689		2083
1690	# save first because save cedes	2084	# save first because save cedes
1691	$self->save;	2085	$self->save;
1692		2086
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2087	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2088
1695	return if $self->players;	2089	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;	2090	return if $self->in_memory != cf::MAP_IN_MEMORY;
1697	return if $self->{deny_save};	2091	return if $self->{deny_save};
1698		2092
		2093	$self->in_memory (cf::MAP_SWAPPED);
		2094
		2095	$self->deactivate;
		2096	$_->clear_links_to ($self) for values %cf::MAP;
1699	$self->clear;	2097	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2098	}
1702		2099
1703	sub reset_at {	2100	sub reset_at {
1704	my ($self) = @_;	2101	my ($self) = @_;
1705		2102
1706	# TODO: safety, remove and allow resettable per-player maps	2103	# TODO: safety, remove and allow resettable per-player maps
1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1708	return 1e99 if $self->{deny_reset};	2104	return 1e99 if $self->{deny_reset};
1709		2105
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2106	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2107	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2108
…		…
1723	my ($self) = @_;	2119	my ($self) = @_;
1724		2120
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2121	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2122
1727	return if $self->players;	2123	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2124
1730	warn "resetting map ", $self->path;#d#	2125	warn "resetting map ", $self->path;
1731		2126
1732	$self->in_memory (cf::MAP_SWAPPED);	2127	$self->in_memory (cf::MAP_SWAPPED);
1733		2128
1734	# need to save uniques path	2129	# need to save uniques path
1735	unless ($self->{deny_save}) {	2130	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2134	if $uniq;
1740	}	2135	}
1741		2136
1742	delete $cf::MAP{$self->path};	2137	delete $cf::MAP{$self->path};
1743		2138
		2139	$self->deactivate;
		2140	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2141	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2142
1748	$self->unlink_save;	2143	$self->unlink_save;
1749	$self->destroy;	2144	$self->destroy;
1750	}	2145	}
1751		2146
1752	my $nuke_counter = "aaaa";	2147	my $nuke_counter = "aaaa";
1753		2148
1754	sub nuke {	2149	sub nuke {
1755	my ($self) = @_;	2150	my ($self) = @_;
1756		2151
		2152	{
		2153	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2154
1757	delete $cf::MAP{$self->path};	2155	delete $cf::MAP{$self->path};
1758		2156
1759	$self->unlink_save;	2157	$self->unlink_save;
1760		2158
1761	bless $self, "cf::map";	2159	bless $self, "cf::map";
1762	delete $self->{deny_reset};	2160	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2161	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2162	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2163	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2164
1767	$cf::MAP{$self->path} = $self;	2165	$cf::MAP{$self->path} = $self;
		2166	}
1768		2167
1769	$self->reset; # polite request, might not happen	2168	$self->reset; # polite request, might not happen
		2169	}
		2170
		2171	=item $maps = cf::map::tmp_maps
		2172
		2173	Returns an arrayref with all map paths of currently instantiated and saved
		2174	maps. May block.
		2175
		2176	=cut
		2177
		2178	sub tmp_maps() {
		2179	[
		2180	map {
		2181	utf8::decode $_;
		2182	/\.map$/
		2183	? normalise $_
		2184	: ()
		2185	} @{ aio_readdir $TMPDIR or [] }
		2186	]
		2187	}
		2188
		2189	=item $maps = cf::map::random_maps
		2190
		2191	Returns an arrayref with all map paths of currently instantiated and saved
		2192	random maps. May block.
		2193
		2194	=cut
		2195
		2196	sub random_maps() {
		2197	[
		2198	map {
		2199	utf8::decode $_;
		2200	/\.map$/
		2201	? normalise "?random/$_"
		2202	: ()
		2203	} @{ aio_readdir $RANDOMDIR or [] }
		2204	]
1770	}	2205	}
1771		2206
1772	=item cf::map::unique_maps	2207	=item cf::map::unique_maps
1773		2208
1774	Returns an arrayref of paths of all shared maps that have	2209	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2210	instantiated unique items. May block.
1776		2211
1777	=cut	2212	=cut
1778		2213
1779	sub unique_maps() {	2214	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2215	[
1781	or return;	2216	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2217	utf8::decode $_;
1787	next if /\.pst$/;	2218	/\.map$/
1788	next unless /^$PATH_SEP/o;	2219	? normalise $_
1789		2220	: ()
1790	push @paths, cf::map::normalise $_;	2221	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2222	]
1792
1793	\@paths
1794	}	2223	}
1795		2224
1796	package cf;	2225	package cf;
1797		2226
1798	=back	2227	=back
…		…
1816	map { $_, inv_recursive_ $_->inv } @_	2245	map { $_, inv_recursive_ $_->inv } @_
1817	}	2246	}
1818		2247
1819	sub inv_recursive {	2248	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2249	inv_recursive_ inv $_[0]
		2250	}
		2251
		2252	=item $ref = $ob->ref
		2253
		2254	creates and returns a persistent reference to an objetc that can be stored as a string.
		2255
		2256	=item $ob = cf::object::deref ($refstring)
		2257
		2258	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2259	even if the object actually exists. May block.
		2260
		2261	=cut
		2262
		2263	sub deref {
		2264	my ($ref) = @_;
		2265
		2266	# temporary compatibility#TODO#remove
		2267	$ref =~ s{^<}{player/<};
		2268
		2269	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2270	my ($uuid, $name) = ($1, $2);
		2271	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2272	or return;
		2273	$pl->ob->uuid eq $uuid
		2274	or return;
		2275
		2276	$pl->ob
		2277	} else {
		2278	warn "$ref: cannot resolve object reference\n";
		2279	undef
		2280	}
1821	}	2281	}
1822		2282
1823	package cf;	2283	package cf;
1824		2284
1825	=back	2285	=back
…		…
1844		2304
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2305	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2306
1847	if ($self->{record_replies}) {	2307	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2308	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2309
1849	} else {	2310	} else {
		2311	my $pl = $self->contr;
		2312
		2313	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2314	my $dialog = $pl->{npc_dialog};
		2315	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2316
		2317	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2318	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2319	$self->message ($msg, $flags);
		2320	}
1852	}	2321	}
		2322	}
		2323
		2324	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2325
		2326	=cut
		2327
		2328	sub cf::object::send_msg {
		2329	my $pl = shift->contr
		2330	or return;
		2331	$pl->send_msg (@_);
1853	}	2332	}
1854		2333
1855	=item $player_object->may ("access")	2334	=item $player_object->may ("access")
1856		2335
1857	Returns wether the given player is authorized to access resource "access"	2336	Returns wether the given player is authorized to access resource "access"
…		…
1904	$self->deactivate_recursive;	2383	$self->deactivate_recursive;
1905		2384
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2385	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2386
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2387	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2388	if $self->map && $self->map->{path} ne "{link}";
1910		2389
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2390	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1912	}	2391	}
1913		2392
1914	sub cf::object::player::leave_link {	2393	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2394	my ($self, $map, $x, $y) = @_;
		2395
		2396	return unless $self->contr->active;
1916		2397
1917	my $link_pos = delete $self->{_link_pos};	2398	my $link_pos = delete $self->{_link_pos};
1918		2399
1919	unless ($map) {	2400	unless ($map) {
1920	# restore original map position	2401	# restore original map position
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2415	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2416	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2417	if $x <=0 && $y <= 0;
1937		2418
1938	$map->load;	2419	$map->load;
1939	$map->load_diag;	2420	$map->load_neighbours;
1940		2421
1941	return unless $self->contr->active;	2422	return unless $self->contr->active;
1942	$self->activate_recursive;	2423	$self->activate_recursive;
1943		2424
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2425	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2426	$self->enter_map ($map, $x, $y);
1946	}	2427	}
1947		2428
1948	cf::player->attach (
1949	on_logout => sub {
1950	my ($pl) = @_;
1951
1952	# abort map switching before logout
1953	if ($pl->ob->{_link_pos}) {
1954	cf::sync_job {
1955	$pl->ob->leave_link
1956	};
1957	}
1958	},
1959	on_login => sub {
1960	my ($pl) = @_;
1961
1962	# try to abort aborted map switching on player login :)
1963	# should happen only on crashes
1964	if ($pl->ob->{_link_pos}) {
1965	$pl->ob->enter_link;
1966	(async {
1967	$pl->ob->reply (undef,
1968	"There was an internal problem at your last logout, "
1969	. "the server will try to bring you to your intended destination in a second.",
1970	cf::NDI_RED);
1971	# we need this sleep as the login has a concurrent enter_exit running
1972	# and this sleep increases chances of the player not ending up in scorn
1973	Coro::Timer::sleep 1;
1974	$pl->ob->leave_link;
1975	})->prio (2);
1976	}
1977	},
1978	);
1979
1980	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2429	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1981		2430
1982	Moves the player to the given map-path and coordinates by first freezing	2431	Moves the player to the given map-path and coordinates by first freezing
1983	her, loading and preparing them map, calling the provided $check callback	2432	her, loading and preparing them map, calling the provided $check callback
1984	that has to return the map if sucecssful, and then unfreezes the player on	2433	that has to return the map if sucecssful, and then unfreezes the player on
1985	the new (success) or old (failed) map position.	2434	the new (success) or old (failed) map position. In either case, $done will
		2435	be called at the end of this process.
1986		2436
1987	=cut	2437	=cut
		2438
		2439	our $GOTOGEN;
1988		2440
1989	sub cf::object::player::goto {	2441	sub cf::object::player::goto {
1990	my ($self, $path, $x, $y, $check) = @_;	2442	my ($self, $path, $x, $y, $check, $done) = @_;
		2443
		2444	# do generation counting so two concurrent goto's will be executed in-order
		2445	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1991		2446
1992	$self->enter_link;	2447	$self->enter_link;
1993		2448
1994	(async {	2449	(async {
1995	my $map = eval {	2450	my $map = eval {
…		…
2008	if ($@) {	2463	if ($@) {
2009	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);	2464	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2010	LOG llevError | logBacktrace, Carp::longmess $@;	2465	LOG llevError | logBacktrace, Carp::longmess $@;
2011	}	2466	}
2012		2467
		2468	if ($gen == $self->{_goto_generation}) {
		2469	delete $self->{_goto_generation};
2013	$self->leave_link ($map, $x, $y);	2470	$self->leave_link ($map, $x, $y);
		2471	}
		2472
		2473	$done->() if $done;
2014	})->prio (1);	2474	})->prio (1);
2015	}	2475	}
2016		2476
2017	=item $player_object->enter_exit ($exit_object)	2477	=item $player_object->enter_exit ($exit_object)
2018		2478
…		…
2087	my $hp = $exit->stats->hp;	2547	my $hp = $exit->stats->hp;
2088	my $sp = $exit->stats->sp;	2548	my $sp = $exit->stats->sp;
2089		2549
2090	$self->enter_link;	2550	$self->enter_link;
2091		2551
		2552	# if exit is damned, update players death & WoR home-position
		2553	$self->contr->savebed ($slaying, $hp, $sp)
		2554	if $exit->flag (FLAG_DAMNED);
		2555
2092	(async {	2556	(async {
2093	$self->deactivate_recursive; # just to be sure	2557	$self->deactivate_recursive; # just to be sure
2094	unless (eval {	2558	unless (eval {
2095	$self->goto ($slaying, $hp, $sp);	2559	$self->goto ($slaying, $hp, $sp);
2096		2560
…		…
2123		2587
2124	utf8::encode $text;	2588	utf8::encode $text;
2125	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2589	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2126	}	2590	}
2127		2591
		2592	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2593
		2594	Send a drawinfo or msg packet to the client, formatting the msg for the
		2595	client if neccessary. C<$type> should be a string identifying the type of
		2596	the message, with C<log> being the default. If C<$color> is negative, suppress
		2597	the message unless the client supports the msg packet.
		2598
		2599	=cut
		2600
		2601	our %CHANNEL = (
		2602	"c/identify" => {
		2603	id => "identify",
		2604	title => "Identify",
		2605	reply => undef,
		2606	tooltip => "Items recently identified",
		2607	},
		2608	"c/examine" => {
		2609	id => "examine",
		2610	title => "Examine",
		2611	reply => undef,
		2612	tooltip => "Signs and other items you examined",
		2613	},
		2614	);
		2615
		2616	sub cf::client::send_msg {
		2617	my ($self, $channel, $msg, $color, @extra) = @_;
		2618
		2619	$msg = $self->pl->expand_cfpod ($msg);
		2620
		2621	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2622
		2623	# check predefined channels, for the benefit of C
		2624	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2625
		2626	if (ref $channel) {
		2627	# send meta info to client, if not yet sent
		2628	unless (exists $self->{channel}{$channel->{id}}) {
		2629	$self->{channel}{$channel->{id}} = $channel;
		2630	$self->ext_msg (channel_info => $channel)
		2631	if $self->can_msg;
		2632	}
		2633
		2634	$channel = $channel->{id};
		2635	}
		2636
		2637	return unless @extra || length $msg;
		2638
		2639	if ($self->can_msg) {
		2640	# default colour, mask it out
		2641	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2642	if $color & cf::NDI_DEF;
		2643
		2644	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2645	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2646	} else {
		2647	if ($color >= 0) {
		2648	# replace some tags by gcfclient-compatible ones
		2649	for ($msg) {
		2650	1 while
		2651	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2652	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2653	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2654	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2655	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2656	}
		2657
		2658	$color &= cf::NDI_COLOR_MASK;
		2659
		2660	utf8::encode $msg;
		2661
		2662	if (0 && $msg =~ /\[/) {
		2663	# COMMAND/INFO
		2664	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2665	} else {
		2666	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2667	$self->send_packet ("drawinfo $color $msg")
		2668	}
		2669	}
		2670	}
		2671	}
		2672
2128	=item $client->ext_event ($type, %msg)	2673	=item $client->ext_msg ($type, @msg)
2129		2674
2130	Sends an exti event to the client.	2675	Sends an ext event to the client.
2131		2676
2132	=cut	2677	=cut
2133		2678
2134	sub cf::client::ext_event($$%) {	2679	sub cf::client::ext_msg($$@) {
2135	my ($self, $type, %msg) = @_;	2680	my ($self, $type, @msg) = @_;
2136		2681
		2682	if ($self->extcmd == 2) {
		2683	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2684	} elsif ($self->extcmd == 1) { # TODO: remove
2137	$msg{msgtype} = "event_$type";	2685	push @msg, msgtype => "event_$type";
2138	$self->send_packet ("ext " . cf::to_json \%msg);	2686	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2687	}
		2688	}
		2689
		2690	=item $client->ext_reply ($msgid, @msg)
		2691
		2692	Sends an ext reply to the client.
		2693
		2694	=cut
		2695
		2696	sub cf::client::ext_reply($$@) {
		2697	my ($self, $id, @msg) = @_;
		2698
		2699	if ($self->extcmd == 2) {
		2700	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2701	} elsif ($self->extcmd == 1) {
		2702	#TODO: version 1, remove
		2703	unshift @msg, msgtype => "reply", msgid => $id;
		2704	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2705	}
2139	}	2706	}
2140		2707
2141	=item $success = $client->query ($flags, "text", \&cb)	2708	=item $success = $client->query ($flags, "text", \&cb)
2142		2709
2143	Queues a query to the client, calling the given callback with	2710	Queues a query to the client, calling the given callback with
2144	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2711	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2145	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2712	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2146		2713
2147	Queries can fail, so check the return code. Or don't, as queries will become	2714	Queries can fail, so check the return code. Or don't, as queries will
2148	reliable at some point in the future.	2715	become reliable at some point in the future.
2149		2716
2150	=cut	2717	=cut
2151		2718
2152	sub cf::client::query {	2719	sub cf::client::query {
2153	my ($self, $flags, $text, $cb) = @_;	2720	my ($self, $flags, $text, $cb) = @_;
…		…
2161	utf8::encode $text;	2728	utf8::encode $text;
2162	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2729	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2163		2730
2164	$self->send_packet ($self->{query_queue}[0][0])	2731	$self->send_packet ($self->{query_queue}[0][0])
2165	if @{ $self->{query_queue} } == 1;	2732	if @{ $self->{query_queue} } == 1;
		2733
		2734	1
2166	}	2735	}
2167		2736
2168	cf::client->attach (	2737	cf::client->attach (
		2738	on_connect => sub {
		2739	my ($ns) = @_;
		2740
		2741	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2742	},
2169	on_reply => sub {	2743	on_reply => sub {
2170	my ($ns, $msg) = @_;	2744	my ($ns, $msg) = @_;
2171		2745
2172	# this weird shuffling is so that direct followup queries	2746	# this weird shuffling is so that direct followup queries
2173	# get handled first	2747	# get handled first
…		…
2185	} else {	2759	} else {
2186	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2760	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2187	}	2761	}
2188	}	2762	}
2189	},	2763	},
		2764	on_exticmd => sub {
		2765	my ($ns, $buf) = @_;
		2766
		2767	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2768
		2769	if (ref $msg) {
		2770	my ($type, $reply, @payload) =
		2771	"ARRAY" eq ref $msg
		2772	? @$msg
		2773	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2774
		2775	my @reply;
		2776
		2777	if (my $cb = $EXTICMD{$type}) {
		2778	@reply = $cb->($ns, @payload);
		2779	}
		2780
		2781	$ns->ext_reply ($reply, @reply)
		2782	if $reply;
		2783
		2784	} else {
		2785	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2786	}
		2787
		2788	cf::override;
		2789	},
2190	);	2790	);
2191		2791
2192	=item $client->async (\&cb)	2792	=item $client->async (\&cb)
2193		2793
2194	Create a new coroutine, running the specified callback. The coroutine will	2794	Create a new coroutine, running the specified callback. The coroutine will
…		…
2235	our $safe = new Safe "safe";	2835	our $safe = new Safe "safe";
2236	our $safe_hole = new Safe::Hole;	2836	our $safe_hole = new Safe::Hole;
2237		2837
2238	$SIG{FPE} = 'IGNORE';	2838	$SIG{FPE} = 'IGNORE';
2239		2839
2240	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2840	$safe->permit_only (Opcode::opset qw(
		2841	:base_core :base_mem :base_orig :base_math
		2842	grepstart grepwhile mapstart mapwhile
		2843	sort time
		2844	));
2241		2845
2242	# here we export the classes and methods available to script code	2846	# here we export the classes and methods available to script code
2243		2847
2244	=pod	2848	=pod
2245		2849
2246	The following functions and methods are available within a safe environment:	2850	The following functions and methods are available within a safe environment:
2247		2851
2248	cf::object contr pay_amount pay_player map	2852	cf::object
		2853	contr pay_amount pay_player map x y force_find force_add
		2854	insert remove name archname title slaying race decrease_ob_nr
		2855
2249	cf::object::player player	2856	cf::object::player
2250	cf::player peaceful	2857	player
2251	cf::map trigger	2858
		2859	cf::player
		2860	peaceful
		2861
		2862	cf::map
		2863	trigger
2252		2864
2253	=cut	2865	=cut
2254		2866
2255	for (	2867	for (
2256	["cf::object" => qw(contr pay_amount pay_player map)],	2868	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2869	insert remove inv name archname title slaying race
		2870	decrease_ob_nr)],
2257	["cf::object::player" => qw(player)],	2871	["cf::object::player" => qw(player)],
2258	["cf::player" => qw(peaceful)],	2872	["cf::player" => qw(peaceful)],
2259	["cf::map" => qw(trigger)],	2873	["cf::map" => qw(trigger)],
2260	) {	2874	) {
2261	no strict 'refs';	2875	no strict 'refs';
…		…
2332	=back	2946	=back
2333		2947
2334	=cut	2948	=cut
2335		2949
2336	#############################################################################	2950	#############################################################################
2337
2338	=head2 EXTENSION DATABASE SUPPORT
2339
2340	Crossfire maintains a very simple database for extension use. It can
2341	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2342	convert to/from binary).
2343
2344	The parameter C<$family> should best start with the name of the extension
2345	using it, it should be unique.
2346
2347	=over 4
2348
2349	=item $value = cf::db_get $family => $key
2350
2351	Returns a single value from the database.
2352
2353	=item cf::db_put $family => $key => $value
2354
2355	Stores the given C<$value> in the family.
2356
2357	=cut
2358
2359	our $DB;
2360
2361	sub db_init {
2362	unless ($DB) {
2363	$DB = BDB::db_create $DB_ENV;
2364
2365	cf::sync_job {
2366	eval {
2367	$DB->set_flags (BDB::CHKSUM);
2368
2369	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2370	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2371	cf::cleanup "db_open(db): $!" if $!;
2372	};
2373	cf::cleanup "db_open(db): $@" if $@;
2374	};
2375	}
2376	}
2377
2378	sub db_get($$) {
2379	my $key = "$_[0]/$_[1]";
2380
2381	cf::sync_job {
2382	BDB::db_get $DB, undef, $key, my $data;
2383
2384	$! ? ()
2385	: $data
2386	}
2387	}
2388
2389	sub db_put($$$) {
2390	BDB::dbreq_pri 4;
2391	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2392	}
2393
2394	=item cf::cache $id => [$paths...], $processversion => $process
2395
2396	Generic caching function that returns the value of the resource $id,
2397	caching and regenerating as required.
2398
2399	This function can block.
2400
2401	=cut
2402
2403	sub cache {
2404	my ($id, $src, $processversion, $process) = @_;
2405
2406	my $meta =
2407	join "\x00",
2408	$processversion,
2409	map {
2410	aio_stat $_
2411	and Carp::croak "$_: $!";
2412
2413	($_, (stat _)[7,9])
2414	} @$src;
2415
2416	my $dbmeta = db_get cache => "$id/meta";
2417	if ($dbmeta ne $meta) {
2418	# changed, we may need to process
2419
2420	my @data;
2421	my $md5;
2422
2423	for (0 .. $#$src) {
2424	0 <= aio_load $src->[$_], $data[$_]
2425	or Carp::croak "$src->[$_]: $!";
2426	}
2427
2428	# if processing is expensive, check
2429	# checksum first
2430	if (1) {
2431	$md5 =
2432	join "\x00",
2433	$processversion,
2434	map {
2435	Coro::cede;
2436	($src->[$_], Digest::MD5::md5_hex $data[$_])
2437	} 0.. $#$src;
2438
2439
2440	my $dbmd5 = db_get cache => "$id/md5";
2441	if ($dbmd5 eq $md5) {
2442	db_put cache => "$id/meta", $meta;
2443
2444	return db_get cache => "$id/data";
2445	}
2446	}
2447
2448	my $t1 = Time::HiRes::time;
2449	my $data = $process->(\@data);
2450	my $t2 = Time::HiRes::time;
2451
2452	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2453
2454	db_put cache => "$id/data", $data;
2455	db_put cache => "$id/md5" , $md5;
2456	db_put cache => "$id/meta", $meta;
2457
2458	return $data;
2459	}
2460
2461	db_get cache => "$id/data"
2462	}
2463
2464	=item fork_call { }, $args
2465
2466	Executes the given code block with the given arguments in a seperate
2467	process, returning the results. Everything must be serialisable with
2468	Coro::Storable. May, of course, block. Note that the executed sub may
2469	never block itself or use any form of Event handling.
2470
2471	=cut
2472
2473	sub fork_call(&@) {
2474	my ($cb, @args) = @_;
2475
2476	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2477	# or die "socketpair: $!";
2478	pipe my $fh1, my $fh2
2479	or die "pipe: $!";
2480
2481	if (my $pid = fork) {
2482	close $fh2;
2483
2484	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2485	$res = Coro::Storable::thaw $res;
2486
2487	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2488
2489	die $$res unless "ARRAY" eq ref $res;
2490
2491	return wantarray ? @$res : $res->[-1];
2492	} else {
2493	reset_signals;
2494	local $SIG{__WARN__};
2495	local $SIG{__DIE__};
2496	eval {
2497	close $fh1;
2498
2499	my @res = eval { $cb->(@args) };
2500	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2501	};
2502
2503	warn $@ if $@;
2504	_exit 0;
2505	}
2506	}
2507
2508
2509
2510	#############################################################################
2511	# the server's init and main functions	2951	# the server's init and main functions
2512		2952
2513	sub load_facedata($) {	2953	sub load_facedata($) {
2514	my ($path) = @_;	2954	my ($path) = @_;
		2955
		2956	# HACK to clear player env face cache, we need some signal framework
		2957	# for this (global event?)
		2958	%ext::player_env::MUSIC_FACE_CACHE = ();
		2959
		2960	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2515		2961
2516	warn "loading facedata from $path\n";	2962	warn "loading facedata from $path\n";
2517		2963
2518	my $facedata;	2964	my $facedata;
2519	0 < aio_load $path, $facedata	2965	0 < aio_load $path, $facedata
…		…
2522	$facedata = Coro::Storable::thaw $facedata;	2968	$facedata = Coro::Storable::thaw $facedata;
2523		2969
2524	$facedata->{version} == 2	2970	$facedata->{version} == 2
2525	or cf::cleanup "$path: version mismatch, cannot proceed.";	2971	or cf::cleanup "$path: version mismatch, cannot proceed.";
2526		2972
		2973	# patch in the exptable
		2974	$facedata->{resource}{"res/exp_table"} = {
		2975	type => FT_RSRC,
		2976	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2977	};
		2978	cf::cede_to_tick;
		2979
2527	{	2980	{
2528	my $faces = $facedata->{faceinfo};	2981	my $faces = $facedata->{faceinfo};
2529		2982
2530	while (my ($face, $info) = each %$faces) {	2983	while (my ($face, $info) = each %$faces) {
2531	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2984	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2532	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2985	cf::face::set_visibility $idx, $info->{visibility};
		2986	cf::face::set_magicmap $idx, $info->{magicmap};
2533	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2987	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2534	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2988	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2535	Coro::cede;	2989
		2990	cf::cede_to_tick;
2536	}	2991	}
2537		2992
2538	while (my ($face, $info) = each %$faces) {	2993	while (my ($face, $info) = each %$faces) {
2539	next unless $info->{smooth};	2994	next unless $info->{smooth};
2540	my $idx = cf::face::find $face	2995	my $idx = cf::face::find $face
2541	or next;	2996	or next;
2542	if (my $smooth = cf::face::find $info->{smooth}) {	2997	if (my $smooth = cf::face::find $info->{smooth}) {
		2998	cf::face::set_smooth $idx, $smooth;
2543	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2999	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2544	} else {	3000	} else {
2545	warn "smooth face '$info->{smooth}' not found for face '$face'";	3001	warn "smooth face '$info->{smooth}' not found for face '$face'";
2546	}	3002	}
2547	Coro::cede;	3003
		3004	cf::cede_to_tick;
2548	}	3005	}
2549	}	3006	}
2550		3007
2551	{	3008	{
2552	my $anims = $facedata->{animinfo};	3009	my $anims = $facedata->{animinfo};
2553		3010
2554	while (my ($anim, $info) = each %$anims) {	3011	while (my ($anim, $info) = each %$anims) {
2555	cf::anim::set $anim, $info->{frames}, $info->{facings};	3012	cf::anim::set $anim, $info->{frames}, $info->{facings};
2556	Coro::cede;	3013	cf::cede_to_tick;
2557	}	3014	}
2558		3015
2559	cf::anim::invalidate_all; # d'oh	3016	cf::anim::invalidate_all; # d'oh
2560	}	3017	}
2561		3018
		3019	{
		3020	# TODO: for gcfclient pleasure, we should give resources
		3021	# that gcfclient doesn't grok a >10000 face index.
		3022	my $res = $facedata->{resource};
		3023
		3024	my $soundconf = delete $res->{"res/sound.conf"};
		3025
		3026	while (my ($name, $info) = each %$res) {
		3027	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3028	my $data;
		3029
		3030	if ($info->{type} & 1) {
		3031	# prepend meta info
		3032
		3033	my $meta = $enc->encode ({
		3034	name => $name,
		3035	%{ $info->{meta} || {} },
		3036	});
		3037
		3038	$data = pack "(w/a*)*", $meta, $info->{data};
		3039	} else {
		3040	$data = $info->{data};
		3041	}
		3042
		3043	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3044	cf::face::set_type $idx, $info->{type};
		3045
		3046	cf::cede_to_tick;
		3047	}
		3048
		3049	if ($soundconf) {
		3050	$soundconf = $enc->decode (delete $soundconf->{data});
		3051
		3052	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3053	my $sound = $soundconf->{compat}[$_]
		3054	or next;
		3055
		3056	my $face = cf::face::find "sound/$sound->[1]";
		3057	cf::sound::set $sound->[0] => $face;
		3058	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3059	}
		3060
		3061	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3062	my $face = cf::face::find "sound/$v";
		3063	cf::sound::set $k => $face;
		3064	}
		3065	}
		3066	}
		3067
2562	1	3068	1
2563	}	3069	}
2564		3070
		3071	register_exticmd fx_want => sub {
		3072	my ($ns, $want) = @_;
		3073
		3074	while (my ($k, $v) = each %$want) {
		3075	$ns->fx_want ($k, $v);
		3076	}
		3077	};
		3078
2565	sub reload_regions {	3079	sub reload_regions {
		3080	# HACK to clear player env face cache, we need some signal framework
		3081	# for this (global event?)
		3082	%ext::player_env::MUSIC_FACE_CACHE = ();
		3083
2566	load_resource_file "$MAPDIR/regions"	3084	load_resource_file "$MAPDIR/regions"
2567	or die "unable to load regions file\n";	3085	or die "unable to load regions file\n";
		3086
		3087	for (cf::region::list) {
		3088	$_->{match} = qr/$_->{match}/
		3089	if exists $_->{match};
		3090	}
2568	}	3091	}
2569		3092
2570	sub reload_facedata {	3093	sub reload_facedata {
2571	load_facedata "$DATADIR/facedata"	3094	load_facedata "$DATADIR/facedata"
2572	or die "unable to load facedata\n";	3095	or die "unable to load facedata\n";
2573	}	3096	}
2574		3097
2575	sub reload_archetypes {	3098	sub reload_archetypes {
2576	load_resource_file "$DATADIR/archetypes"	3099	load_resource_file "$DATADIR/archetypes"
2577	or die "unable to load archetypes\n";	3100	or die "unable to load archetypes\n";
		3101	#d# NEED to laod twice to resolve forward references
		3102	# this really needs to be done in an extra post-pass
		3103	# (which needs to be synchronous, so solve it differently)
		3104	load_resource_file "$DATADIR/archetypes"
		3105	or die "unable to load archetypes\n";
2578	}	3106	}
2579		3107
2580	sub reload_treasures {	3108	sub reload_treasures {
2581	load_resource_file "$DATADIR/treasures"	3109	load_resource_file "$DATADIR/treasures"
2582	or die "unable to load treasurelists\n";	3110	or die "unable to load treasurelists\n";
…		…
2585	sub reload_resources {	3113	sub reload_resources {
2586	warn "reloading resource files...\n";	3114	warn "reloading resource files...\n";
2587		3115
2588	reload_regions;	3116	reload_regions;
2589	reload_facedata;	3117	reload_facedata;
		3118	#reload_archetypes;#d#
2590	reload_archetypes;	3119	reload_archetypes;
2591	reload_treasures;	3120	reload_treasures;
2592		3121
2593	warn "finished reloading resource files\n";	3122	warn "finished reloading resource files\n";
2594	}	3123	}
2595		3124
2596	sub init {	3125	sub init {
2597	reload_resources;	3126	reload_resources;
2598	}	3127	}
2599		3128
2600	sub cfg_load {	3129	sub reload_config {
2601	open my $fh, "<:utf8", "$CONFDIR/config"	3130	open my $fh, "<:utf8", "$CONFDIR/config"
2602	or return;	3131	or return;
2603		3132
2604	local $/;	3133	local $/;
2605	*CFG = YAML::Syck::Load <$fh>;	3134	*CFG = YAML::Syck::Load <$fh>;
…		…
2625	(async {	3154	(async {
2626	Event::one_event;	3155	Event::one_event;
2627	})->prio (Coro::PRIO_MAX);	3156	})->prio (Coro::PRIO_MAX);
2628	};	3157	};
2629		3158
2630	cfg_load;	3159	reload_config;
2631	db_init;	3160	db_init;
2632	load_extensions;	3161	load_extensions;
2633		3162
2634	$TICK_WATCHER->start;	3163	$TICK_WATCHER->start;
2635	Event::loop;	3164	Event::loop;
…		…
2651	},	3180	},
2652	);	3181	);
2653	}	3182	}
2654	}	3183	}
2655		3184
		3185	sub write_runtime {
		3186	my $runtime = "$LOCALDIR/runtime";
		3187
		3188	# first touch the runtime file to show we are still running:
		3189	# the fsync below can take a very very long time.
		3190
		3191	IO::AIO::aio_utime $runtime, undef, undef;
		3192
		3193	my $guard = cf::lock_acquire "write_runtime";
		3194
		3195	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3196	or return;
		3197
		3198	my $value = $cf::RUNTIME + 90 + 10;
		3199	# 10 is the runtime save interval, for a monotonic clock
		3200	# 60 allows for the watchdog to kill the server.
		3201
		3202	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3203	and return;
		3204
		3205	# always fsync - this file is important
		3206	aio_fsync $fh
		3207	and return;
		3208
		3209	# touch it again to show we are up-to-date
		3210	aio_utime $fh, undef, undef;
		3211
		3212	close $fh
		3213	or return;
		3214
		3215	aio_rename "$runtime~", $runtime
		3216	and return;
		3217
		3218	warn "runtime file written.\n";
		3219
		3220	1
		3221	}
		3222
2656	sub emergency_save() {	3223	sub emergency_save() {
2657	my $freeze_guard = cf::freeze_mainloop;	3224	my $freeze_guard = cf::freeze_mainloop;
2658		3225
2659	warn "enter emergency perl save\n";	3226	warn "enter emergency perl save\n";
2660		3227
…		…
2735	%EXT_CORO = ();	3302	%EXT_CORO = ();
2736		3303
2737	warn "removing commands";	3304	warn "removing commands";
2738	%COMMAND = ();	3305	%COMMAND = ();
2739		3306
2740	warn "removing ext commands";	3307	warn "removing ext/exti commands";
2741	%EXTCMD = ();	3308	%EXTCMD = ();
		3309	%EXTICMD = ();
2742		3310
2743	warn "unloading/nuking all extensions";	3311	warn "unloading/nuking all extensions";
2744	for my $pkg (@EXTS) {	3312	for my $pkg (@EXTS) {
2745	warn "... unloading $pkg";	3313	warn "... unloading $pkg";
2746		3314
…		…
2789	warn "reloading cf.pm";	3357	warn "reloading cf.pm";
2790	require cf;	3358	require cf;
2791	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3359	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2792		3360
2793	warn "loading config and database again";	3361	warn "loading config and database again";
2794	cf::cfg_load;	3362	cf::reload_config;
2795		3363
2796	warn "loading extensions";	3364	warn "loading extensions";
2797	cf::load_extensions;	3365	cf::load_extensions;
2798		3366
2799	warn "reattaching attachments to objects/players";	3367	warn "reattaching attachments to objects/players";
…		…
2892	or die;	3460	or die;
2893		3461
2894	$map->width (50);	3462	$map->width (50);
2895	$map->height (50);	3463	$map->height (50);
2896	$map->alloc;	3464	$map->alloc;
2897	$map->_load_objects ("/tmp/x.map", 1);	3465	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
2898	my $t = Event::time - $t;	3466	my $t = Event::time - $t;
2899		3467
2900	#next unless $t < 0.0013;#d#	3468	#next unless $t < 0.0013;#d#
2901	if ($t < $min) {	3469	if ($t < $min) {
2902	$min = $t;	3470	$min = $t;

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