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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.264 by root, Sun May 6 05:44:48 2007 UTC vs.
Revision 1.358 by root, Fri Sep 7 18:10:52 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
		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
94		102
95	binmode STDOUT;	103	binmode STDOUT;
96	binmode STDERR;	104	binmode STDERR;
97		105
98	# read virtual server time, if available	106	# read virtual server time, if available
…		…
139		147
140	=item $cf::TICK	148	=item $cf::TICK
141		149
142	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
143		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
		161
144	=item %cf::CFG	162	=item %cf::CFG
145		163
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
147	from wherever your confdir points to.	165	from wherever your confdir points to.
148		166
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		168
151	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
152	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
153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
154		178
155	=back	179	=back
156		180
157	=cut	181	=cut
158		182
…		…
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@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';
178	@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)
179		204
180	# 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
181	# within the Safe compartment.	206	# within the Safe compartment.
182	for my $pkg (qw(	207	for my $pkg (qw(
183	cf::global cf::attachable	208	cf::global cf::attachable
…		…
191	}	216	}
192		217
193	$Event::DIED = sub {	218	$Event::DIED = sub {
194	warn "error in event callback: @_";	219	warn "error in event callback: @_";
195	};	220	};
		221
		222	#############################################################################
196		223
197	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
198		225
199	=over 4	226	=over 4
200		227
…		…
219	$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;
220	$d	247	$d
221	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
222	}	249	}
223		250
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
227		252
228	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
229		254
230	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
231		256
232	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]) }
233		265
234	=item cf::lock_wait $string	266	=item cf::lock_wait $string
235		267
236	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
237		269
…		…
240	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
241	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,
242	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
243	returned.	275	returned.
244		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
245	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
246	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
247		282
248	=item $locked = cf::lock_active $string	283	=item $locked = cf::lock_active $string
249		284
250	Return true if the lock is currently active, i.e. somebody has locked it.	285	Return true if the lock is currently active, i.e. somebody has locked it.
251		286
252	=cut	287	=cut
253		288
254	our %LOCK;	289	our %LOCK;
		290	our %LOCKER;#d#
255		291
256	sub lock_wait($) {	292	sub lock_wait($) {
257	my ($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#
258		299
259	# wait for lock, if any	300	# wait for lock, if any
260	while ($LOCK{$key}) {	301	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;	302	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;	303	Coro::schedule;
…		…
268		309
269	# wait, to be sure we are not locked	310	# wait, to be sure we are not locked
270	lock_wait $key;	311	lock_wait $key;
271		312
272	$LOCK{$key} = [];	313	$LOCK{$key} = [];
		314	$LOCKER{$key} = $Coro::current;#d#
273		315
274	Coro::guard {	316	Coro::guard {
		317	delete $LOCKER{$key};#d#
275	# wake up all waiters, to be on the safe side	318	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };	319	$_->ready for @{ delete $LOCK{$key} };
277	}	320	}
278	}	321	}
279		322
…		…
291	};	334	};
292	$TICK_WATCHER->stop;	335	$TICK_WATCHER->stop;
293	$guard	336	$guard
294	}	337	}
295		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
296	=item cf::async { BLOCK }	395	=item cf::async { BLOCK }
297		396
298	Currently the same as Coro::async_pool, meaning you cannot use	397	Currently the same as Coro::async_pool, meaning you cannot use
299	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
300	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.
…		…
303		402
304	BEGIN { *async = \&Coro::async_pool }	403	BEGIN { *async = \&Coro::async_pool }
305		404
306	=item cf::sync_job { BLOCK }	405	=item cf::sync_job { BLOCK }
307		406
308	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)
309	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
310	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.
311		411
312	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
313	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
314	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
315	fast or be very important.	415	fast or be very important.
…		…
318		418
319	sub sync_job(&) {	419	sub sync_job(&) {
320	my ($job) = @_;	420	my ($job) = @_;
321		421
322	if ($Coro::current == $Coro::main) {	422	if ($Coro::current == $Coro::main) {
		423	my $time = Event::time;
		424
323	# this is the main coro, too bad, we have to block	425	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	426	# till the operation succeeds, freezing the server :/
325		427
326	# TODO: use suspend/resume instead	428	# TODO: use suspend/resume instead
327	# (but this is cancel-safe)	429	# (but this is cancel-safe)
…		…
338		440
339	while ($busy) {	441	while ($busy) {
340	Coro::cede or Event::one_event;	442	Coro::cede or Event::one_event;
341	}	443	}
342		444
		445	$time = Event::time - $time;
		446
		447	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		448	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		449
		450	$tick_start += $time; # do not account sync jobs to server load
		451
343	wantarray ? @res : $res[0]	452	wantarray ? @res : $res[0]
344	} else {	453	} else {
345	# we are in another coroutine, how wonderful, everything just works	454	# we are in another coroutine, how wonderful, everything just works
346		455
347	$job->()	456	$job->()
…		…
366	$EXT_CORO{$coro+0} = $coro;	475	$EXT_CORO{$coro+0} = $coro;
367		476
368	$coro	477	$coro
369	}	478	}
370		479
371	sub write_runtime {	480	=item fork_call { }, $args
372	my $runtime = "$LOCALDIR/runtime";
373		481
374	# first touch the runtime file to show we are still running:	482	Executes the given code block with the given arguments in a seperate
375	# 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.
376		486
377	warn "touching runtime...\n";#d#	487	=cut
378	if (my $fh = aio_open $runtime, O_WRONLY, 0) {
379	utime undef, undef, $fh;
380	}
381		488
382	my $guard = cf::lock_acquire "write_runtime";	489	sub fork_call(&@) {
		490	my ($cb, @args) = @_;
383		491
384	warn "starting to write runtime...\n";#d#	492	# we seemingly have to make a local copy of the whole thing,
385	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	493	# otherwise perl prematurely frees the stuff :/
386	or return;	494	# TODO: investigate and fix (likely this will be rather laborious)
387		495
388	my $value = $cf::RUNTIME + 90 + 10;	496	my @res = Coro::Util::fork_eval {
389	# 10 is the runtime save interval, for a monotonic clock	497	reset_signals;
390	# 60 allows for the watchdog to kill the server.	498	&$cb
		499	}, @args;
391		500
392	(aio_write $fh, 0, (length $value), $value, 0) <= 0	501	wantarray ? @res : $res[-1]
393	and return;	502	}
394		503
395	# always fsync - this file is important	504	=item $value = cf::db_get $family => $key
396	aio_fsync $fh
397	and return;
398		505
399	# touch it again to show we are up-to-date	506	Returns a single value from the environment database.
400	utime undef, undef, $fh;
401		507
402	close $fh	508	=item cf::db_put $family => $key => $value
403	or return;
404		509
405	aio_rename "$runtime~", $runtime	510	Stores the given C<$value> in the family. It can currently store binary
406	and return;	511	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
407		512
408	warn "... done writing runtime.\n";#d#	513	=cut
409		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	};
410	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"
411	}	618	}
412		619
413	=item cf::datalog type => key => value, ...	620	=item cf::datalog type => key => value, ...
414		621
415	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.
…		…
433	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")
434	to it. All such attachable objects support the following methods.	641	to it. All such attachable objects support the following methods.
435		642
436	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>
437	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
438	crossfire+).	645	Crossfire TRT).
439		646
440	=over 4	647	=over 4
441		648
442	=item $attachable->attach ($attachment, key => $value...)	649	=item $attachable->attach ($attachment, key => $value...)
443		650
…		…
606	$registry = $CB_TYPE[$object_type] ||= [];	813	$registry = $CB_TYPE[$object_type] ||= [];
607		814
608	} elsif ($type eq "subtype") {	815	} elsif ($type eq "subtype") {
609	defined $object_type or Carp::croak "subtype specified without type";	816	defined $object_type or Carp::croak "subtype specified without type";
610	my $object_subtype = shift @arg;	817	my $object_subtype = shift @arg;
611	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	818	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
612		819
613	} elsif ($type eq "package") {	820	} elsif ($type eq "package") {
614	my $pkg = shift @arg;	821	my $pkg = shift @arg;
615		822
616	while (my ($name, $id) = each %cb_id) {	823	while (my ($name, $id) = each %cb_id) {
…		…
645	_attach $registry, $klass, @attach;	852	_attach $registry, $klass, @attach;
646	}	853	}
647		854
648	$obj->{$name} = \%arg;	855	$obj->{$name} = \%arg;
649	} else {	856	} else {
650	warn "object uses attachment '$name' that is not available, postponing.\n";	857	warn "object uses attachment '$name' which is not available, postponing.\n";
651	}	858	}
652		859
653	$obj->{_attachment}{$name} = undef;	860	$obj->{_attachment}{$name} = undef;
654	}	861	}
655		862
…		…
657	if (ref $_[0]) {	864	if (ref $_[0]) {
658	_object_attach @_;	865	_object_attach @_;
659	} else {	866	} else {
660	_attach shift->_attach_registry, @_;	867	_attach shift->_attach_registry, @_;
661	}	868	}
		869	_recalc_want;
662	};	870	};
663		871
664	# all those should be optimised	872	# all those should be optimised
665	sub cf::attachable::detach {	873	sub cf::attachable::detach {
666	my ($obj, $name) = @_;	874	my ($obj, $name) = @_;
…		…
669	delete $obj->{_attachment}{$name};	877	delete $obj->{_attachment}{$name};
670	reattach ($obj);	878	reattach ($obj);
671	} else {	879	} else {
672	Carp::croak "cannot, currently, detach class attachments";	880	Carp::croak "cannot, currently, detach class attachments";
673	}	881	}
		882	_recalc_want;
674	};	883	};
675		884
676	sub cf::attachable::attached {	885	sub cf::attachable::attached {
677	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
678		887
…		…
693	";	902	";
694	die if $@;	903	die if $@;
695	}	904	}
696		905
697	our $override;	906	our $override;
698	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?
699		908
700	sub override {	909	sub override {
701	$override = 1;	910	$override = 1;
702	@invoke_results = ();	911	@INVOKE_RESULTS = (@_);
703	}	912	}
704		913
705	sub do_invoke {	914	sub do_invoke {
706	my $event = shift;	915	my $event = shift;
707	my $callbacks = shift;	916	my $callbacks = shift;
708		917
709	@invoke_results = ();	918	@INVOKE_RESULTS = ();
710		919
711	local $override;	920	local $override;
712		921
713	for (@$callbacks) {	922	for (@$callbacks) {
714	eval { &{$_->[1]} };	923	eval { &{$_->[1]} };
…		…
731		940
732	Generate an object-specific event with the given arguments.	941	Generate an object-specific event with the given arguments.
733		942
734	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
735	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
736	results (if you must, access C<@cf::invoke_results> directly).	945	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
737		946
738	=back	947	=back
739		948
740	=cut	949	=cut
741		950
742	#############################################################################	951	#############################################################################
743	# 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	}
744		964
745	sub reattach {	965	sub reattach {
746	# basically do the same as instantiate, without calling instantiate	966	# basically do the same as instantiate, without calling instantiate
747	my ($obj) = @_;	967	my ($obj) = @_;
748		968
…		…
792	},	1012	},
793	);	1013	);
794		1014
795	sub object_freezer_save {	1015	sub object_freezer_save {
796	my ($filename, $rdata, $objs) = @_;	1016	my ($filename, $rdata, $objs) = @_;
		1017
		1018	my $guard = cf::lock_acquire "io";
797		1019
798	sync_job {	1020	sync_job {
799	if (length $$rdata) {	1021	if (length $$rdata) {
800	warn sprintf "saving %s (%d,%d)\n",	1022	warn sprintf "saving %s (%d,%d)\n",
801	$filename, length $$rdata, scalar @$objs;	1023	$filename, length $$rdata, scalar @$objs;
…		…
825	}	1047	}
826	} else {	1048	} else {
827	aio_unlink $filename;	1049	aio_unlink $filename;
828	aio_unlink "$filename.pst";	1050	aio_unlink "$filename.pst";
829	}	1051	}
830	}	1052	};
		1053
		1054	undef $guard;
831	}	1055	}
832		1056
833	sub object_freezer_as_string {	1057	sub object_freezer_as_string {
834	my ($rdata, $objs) = @_;	1058	my ($rdata, $objs) = @_;
835		1059
…		…
840		1064
841	sub object_thawer_load {	1065	sub object_thawer_load {
842	my ($filename) = @_;	1066	my ($filename) = @_;
843		1067
844	my ($data, $av);	1068	my ($data, $av);
		1069
		1070	my $guard = cf::lock_acquire "io";
845		1071
846	(aio_load $filename, $data) >= 0	1072	(aio_load $filename, $data) >= 0
847	or return;	1073	or return;
848		1074
849	unless (aio_stat "$filename.pst") {	1075	unless (aio_stat "$filename.pst") {
850	(aio_load "$filename.pst", $av) >= 0	1076	(aio_load "$filename.pst", $av) >= 0
851	or return;	1077	or return;
		1078
		1079	undef $guard;
852	$av = eval { (Storable::thaw $av)->{objs} };	1080	$av = eval { (Storable::thaw $av)->{objs} };
853	}	1081	}
854		1082
855	warn sprintf "loading %s (%d)\n",	1083	warn sprintf "loading %s (%d)\n",
856	$filename, length $data, scalar @{$av || []};#d#	1084	$filename, length $data, scalar @{$av || []};
		1085
857	return ($data, $av);	1086	($data, $av)
858	}	1087	}
		1088
		1089	=head2 COMMAND CALLBACKS
		1090
		1091	=over 4
		1092
		1093	=cut
859		1094
860	#############################################################################	1095	#############################################################################
861	# command handling &c	1096	# command handling &c
862		1097
863	=item cf::register_command $name => \&callback($ob,$args);	1098	=item cf::register_command $name => \&callback($ob,$args);
…		…
876	push @{ $COMMAND{$name} }, [$caller, $cb];	1111	push @{ $COMMAND{$name} }, [$caller, $cb];
877	}	1112	}
878		1113
879	=item cf::register_extcmd $name => \&callback($pl,$packet);	1114	=item cf::register_extcmd $name => \&callback($pl,$packet);
880		1115
881	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.
882		1121
883	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
884	called.	1123	called.
885		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
886	=cut	1136	=cut
887		1137
888	sub register_extcmd {	1138	sub register_extcmd {
889	my ($name, $cb) = @_;	1139	my ($name, $cb) = @_;
890		1140
891	$EXTCMD{$name} = $cb;	1141	$EXTCMD{$name} = $cb;
		1142	}
		1143
		1144	sub register_exticmd {
		1145	my ($name, $cb) = @_;
		1146
		1147	$EXTICMD{$name} = $cb;
892	}	1148	}
893		1149
894	cf::player->attach (	1150	cf::player->attach (
895	on_command => sub {	1151	on_command => sub {
896	my ($pl, $name, $params) = @_;	1152	my ($pl, $name, $params) = @_;
…		…
905	cf::override;	1161	cf::override;
906	},	1162	},
907	on_extcmd => sub {	1163	on_extcmd => sub {
908	my ($pl, $buf) = @_;	1164	my ($pl, $buf) = @_;
909		1165
910	my $msg = eval { from_json $buf };	1166	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
911		1167
912	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
913	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1176	if (my $cb = $EXTCMD{$type}) {
914	if (my %reply = $cb->($pl, $msg)) {	1177	@reply = $cb->($pl, @payload);
915	$pl->ext_reply ($msg->{msgid}, %reply);
916	}
917	}	1178	}
		1179
		1180	$pl->ext_reply ($reply, @reply)
		1181	if $reply;
		1182
918	} else {	1183	} else {
919	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1184	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
920	}	1185	}
921		1186
922	cf::override;	1187	cf::override;
923	},	1188	},
924	);	1189	);
925		1190
926	sub load_extension {
927	my ($path) = @_;
928
929	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
930	my $base = $1;
931	my $pkg = $1;
932	$pkg =~ s/[^[:word:]]/_/g;
933	$pkg = "ext::$pkg";
934
935	warn "... loading '$path' into '$pkg'\n";
936
937	open my $fh, "<:utf8", $path
938	or die "$path: $!";
939
940	my $source =
941	"package $pkg; use strict; use utf8;\n"
942	. "#line 1 \"$path\"\n{\n"
943	. (do { local $/; <$fh> })
944	. "\n};\n1";
945
946	unless (eval $source) {
947	my $msg = $@ ? "$path: $@\n"
948	: "extension disabled.\n";
949	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
950	warn $@;
951	warn "mandatory extension failed to load, exiting.\n";
952	exit 1;
953	}
954	die $@;
955	}
956
957	push @EXTS, $pkg;
958	}
959
960	sub load_extensions {	1191	sub load_extensions {
		1192	cf::sync_job {
		1193	my %todo;
		1194
961	for my $ext (<$LIBDIR/*.ext>) {	1195	for my $path (<$LIBDIR/*.ext>) {
962	next unless -r $ext;	1196	next unless -r $path;
963	eval {	1197
964	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;
965	1	1255	}
966	} or warn "$ext not loaded: $@";	1256
		1257	skip:
		1258	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1259	unless $progress;
		1260	}
967	}	1261	};
968	}	1262	}
969		1263
970	#############################################################################	1264	#############################################################################
		1265
		1266	=back
971		1267
972	=head2 CORE EXTENSIONS	1268	=head2 CORE EXTENSIONS
973		1269
974	Functions and methods that extend core crossfire objects.	1270	Functions and methods that extend core crossfire objects.
975		1271
…		…
1025	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1321	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1026	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1322	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1027	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1323	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1028	aio_unlink +(playerdir $login) . "/$login.pl";	1324	aio_unlink +(playerdir $login) . "/$login.pl";
1029		1325
1030	my $pl = load_pl path $login	1326	my $f = new_from_file cf::object::thawer path $login
1031	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;
1032	$cf::PLAYER{$login} = $pl	1334	$cf::PLAYER{$login} = $pl
1033	}	1335	}
1034	}	1336	}
1035	}	1337	}
1036		1338
…		…
1046		1348
1047	aio_mkdir playerdir $pl, 0770;	1349	aio_mkdir playerdir $pl, 0770;
1048	$pl->{last_save} = $cf::RUNTIME;	1350	$pl->{last_save} = $cf::RUNTIME;
1049		1351
1050	$pl->save_pl ($path);	1352	$pl->save_pl ($path);
1051	Coro::cede;	1353	cf::cede_to_tick;
1052	}	1354	}
1053		1355
1054	sub new($) {	1356	sub new($) {
1055	my ($login) = @_;	1357	my ($login) = @_;
1056		1358
…		…
1060	$self->{deny_save} = 1;	1362	$self->{deny_save} = 1;
1061		1363
1062	$cf::PLAYER{$login} = $self;	1364	$cf::PLAYER{$login} = $self;
1063		1365
1064	$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 (@_);
1065	}	1377	}
1066		1378
1067	=item $pl->quit_character	1379	=item $pl->quit_character
1068		1380
1069	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
…		…
1124	or return [];	1436	or return [];
1125		1437
1126	my @logins;	1438	my @logins;
1127		1439
1128	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") {
1129	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1445	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1130	aio_read $fh, 0, 512, my $buf, 0 or next;	1446	aio_read $fh, 0, 512, my $buf, 0 or next;
1131	$buf !~ /^password -------------$/m or next; # official not-valid tag	1447	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1448	}
1132		1449
1133	utf8::decode $login;	1450	utf8::decode $login;
1134	push @logins, $login;	1451	push @logins, $login;
1135	}	1452	}
1136		1453
…		…
1163	}	1480	}
1164		1481
1165	\@paths	1482	\@paths
1166	}	1483	}
1167		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
1168	=item $player->ext_reply ($msgid, %msg)	1536	=item $player->ext_reply ($msgid, @msg)
1169		1537
1170	Sends an ext reply to the player.	1538	Sends an ext reply to the player.
1171		1539
1172	=cut	1540	=cut
1173		1541
1174	sub ext_reply($$%) {	1542	sub ext_reply($$@) {
1175	my ($self, $id, %msg) = @_;	1543	my ($self, $id, @msg) = @_;
1176		1544
1177	$msg{msgid} = $id;	1545	$self->ns->ext_reply ($id, @msg)
1178
1179	$self->send ("ext " . cf::to_json \%msg);
1180	}	1546	}
1181		1547
1182	=item $player->ext_event ($type, %msg)	1548	=item $player->ext_msg ($type, @msg)
1183		1549
1184	Sends an ext event to the client.	1550	Sends an ext event to the client.
1185		1551
1186	=cut	1552	=cut
1187		1553
1188	sub ext_event($$%) {	1554	sub ext_msg($$@) {
1189	my ($self, $type, %msg) = @_;	1555	my ($self, $type, @msg) = @_;
1190		1556
1191	$self->ns->ext_event ($type, %msg);	1557	$self->ns->ext_msg ($type, @msg);
1192	}	1558	}
1193		1559
1194	=head3 cf::region	1560	=head3 cf::region
1195		1561
1196	=over 4	1562	=over 4
…		…
1199		1565
1200	package cf::region;	1566	package cf::region;
1201		1567
1202	=item cf::region::find_by_path $path	1568	=item cf::region::find_by_path $path
1203		1569
1204	Tries to decuce the probable region for a map knowing only its path.	1570	Tries to decuce the likely region for a map knowing only its path.
1205		1571
1206	=cut	1572	=cut
1207		1573
1208	sub find_by_path($) {	1574	sub find_by_path($) {
1209	my ($path) = @_;	1575	my ($path) = @_;
1210		1576
1211	my ($match, $specificity);	1577	my ($match, $specificity);
1212		1578
1213	for my $region (list) {	1579	for my $region (list) {
1214	if ($region->match && $path =~ $region->match) {	1580	if ($region->{match} && $path =~ $region->{match}) {
1215	($match, $specificity) = ($region, $region->specificity)	1581	($match, $specificity) = ($region, $region->specificity)
1216	if $region->specificity > $specificity;	1582	if $region->specificity > $specificity;
1217	}	1583	}
1218	}	1584	}
1219		1585
…		…
1283	my ($self, $merge) = @_;	1649	my ($self, $merge) = @_;
1284		1650
1285	# we have to keep some variables in memory intact	1651	# we have to keep some variables in memory intact
1286	local $self->{path};	1652	local $self->{path};
1287	local $self->{load_path};	1653	local $self->{load_path};
1288	local $self->{deny_save};
1289	local $self->{deny_reset};
1290		1654
1291	$self->SUPER::thawer_merge ($merge);	1655	$self->SUPER::thawer_merge ($merge);
1292	}	1656	}
1293		1657
1294	sub normalise {	1658	sub normalise {
…		…
1341	$self->init; # pass $1 etc.	1705	$self->init; # pass $1 etc.
1342	return $self;	1706	return $self;
1343	}	1707	}
1344	}	1708	}
1345		1709
1346	Carp::carp "unable to resolve path '$path' (base '$base').";	1710	Carp::cluck "unable to resolve path '$path' (base '$base').";
1347	()	1711	()
1348	}	1712	}
1349		1713
1350	sub init {	1714	sub init {
1351	my ($self) = @_;	1715	my ($self) = @_;
…		…
1394		1758
1395	$_->change_map_light ($change)	1759	$_->change_map_light ($change)
1396	for grep $_->outdoor, values %cf::MAP;	1760	for grep $_->outdoor, values %cf::MAP;
1397	}	1761	}
1398		1762
		1763	sub decay_objects {
		1764	my ($self) = @_;
		1765
		1766	return if $self->{deny_reset};
		1767
		1768	$self->do_decay_objects;
		1769	}
		1770
1399	sub unlink_save {	1771	sub unlink_save {
1400	my ($self) = @_;	1772	my ($self) = @_;
1401		1773
1402	utf8::encode (my $save = $self->save_path);	1774	utf8::encode (my $save = $self->save_path);
1403	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1775	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1406		1778
1407	sub load_header_from($) {	1779	sub load_header_from($) {
1408	my ($self, $path) = @_;	1780	my ($self, $path) = @_;
1409		1781
1410	utf8::encode $path;	1782	utf8::encode $path;
1411	#aio_open $path, O_RDONLY, 0	1783	my $f = new_from_file cf::object::thawer $path
1412	# or return;
1413
1414	$self->_load_header ($path)
1415	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;
1416		1791
1417	$self->{load_path} = $path;	1792	$self->{load_path} = $path;
1418		1793
1419	1	1794	1
1420	}	1795	}
…		…
1459	$self->load_header_orig	1834	$self->load_header_orig
1460	or return;	1835	or return;
1461	$self->prepare_orig;	1836	$self->prepare_orig;
1462	}	1837	}
1463		1838
		1839	$self->{deny_reset} = 1
		1840	if $self->no_reset;
		1841
1464	$self->default_region (cf::region::find_by_path $self->{path})	1842	$self->default_region (cf::region::find_by_path $self->{path})
1465	unless $self->default_region;	1843	unless $self->default_region;
1466		1844
1467	1	1845	1
1468	}	1846	}
…		…
1471	sub find {	1849	sub find {
1472	my ($path, $origin) = @_;	1850	my ($path, $origin) = @_;
1473		1851
1474	$path = normalise $path, $origin && $origin->path;	1852	$path = normalise $path, $origin && $origin->path;
1475		1853
		1854	cf::lock_wait "map_data:$path";#d#remove
1476	cf::lock_wait "map_find:$path";	1855	cf::lock_wait "map_find:$path";
1477		1856
1478	$cf::MAP{$path} || do {	1857	$cf::MAP{$path} || do {
1479	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
1480	my $map = new_from_path cf::map $path	1861	my $map = new_from_path cf::map $path
1481	or return;	1862	or return;
1482		1863
1483	$map->{last_save} = $cf::RUNTIME;	1864	$map->{last_save} = $cf::RUNTIME;
1484		1865
1485	$map->load_header	1866	$map->load_header
1486	or return;	1867	or return;
1487		1868
1488	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1869	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1489	# doing this can freeze the server in a sync job, obviously	1870	# doing this can freeze the server in a sync job, obviously
1490	#$cf::WAIT_FOR_TICK->wait;	1871	#$cf::WAIT_FOR_TICK->wait;
		1872	undef $guard1;
		1873	undef $guard2;
1491	$map->reset;	1874	$map->reset;
1492	undef $guard;
1493	return find $path;	1875	return find $path;
1494	}	1876	}
1495		1877
1496	$cf::MAP{$path} = $map	1878	$cf::MAP{$path} = $map
1497	}	1879	}
…		…
1506	local $self->{deny_reset} = 1; # loading can take a long time	1888	local $self->{deny_reset} = 1; # loading can take a long time
1507		1889
1508	my $path = $self->{path};	1890	my $path = $self->{path};
1509		1891
1510	{	1892	{
1511	my $guard = cf::lock_acquire "map_load:$path";	1893	my $guard = cf::lock_acquire "map_data:$path";
1512		1894
		1895	return unless $self->valid;
1513	return if $self->in_memory != cf::MAP_SWAPPED;	1896	return if $self->in_memory != cf::MAP_SWAPPED;
1514		1897
1515	$self->in_memory (cf::MAP_LOADING);	1898	$self->in_memory (cf::MAP_LOADING);
1516		1899
1517	$self->alloc;	1900	$self->alloc;
1518		1901
1519	$self->pre_load;	1902	$self->pre_load;
1520	Coro::cede;	1903	cf::cede_to_tick;
1521		1904
		1905	my $f = new_from_file cf::object::thawer $self->{load_path};
		1906	$f->skip_block;
1522	$self->_load_objects ($self->{load_path}, 1)	1907	$self->_load_objects ($f)
1523	or return;	1908	or return;
1524		1909
1525	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1910	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1526	if delete $self->{load_original};	1911	if delete $self->{load_original};
1527		1912
1528	if (my $uniq = $self->uniq_path) {	1913	if (my $uniq = $self->uniq_path) {
1529	utf8::encode $uniq;	1914	utf8::encode $uniq;
1530	if (aio_open $uniq, O_RDONLY, 0) {	1915	unless (aio_stat $uniq) {
		1916	if (my $f = new_from_file cf::object::thawer $uniq) {
1531	$self->clear_unique_items;	1917	$self->clear_unique_items;
1532	$self->_load_objects ($uniq, 0);	1918	$self->_load_objects ($f);
		1919	$f->resolve_delayed_derefs;
		1920	}
1533	}	1921	}
1534	}	1922	}
1535		1923
1536	Coro::cede;	1924	$f->resolve_delayed_derefs;
		1925
		1926	cf::cede_to_tick;
1537	# now do the right thing for maps	1927	# now do the right thing for maps
1538	$self->link_multipart_objects;	1928	$self->link_multipart_objects;
1539	$self->difficulty ($self->estimate_difficulty)	1929	$self->difficulty ($self->estimate_difficulty)
1540	unless $self->difficulty;	1930	unless $self->difficulty;
1541	Coro::cede;	1931	cf::cede_to_tick;
1542		1932
1543	unless ($self->{deny_activate}) {	1933	unless ($self->{deny_activate}) {
1544	$self->decay_objects;	1934	$self->decay_objects;
1545	$self->fix_auto_apply;	1935	$self->fix_auto_apply;
1546	$self->update_buttons;	1936	$self->update_buttons;
1547	Coro::cede;	1937	cf::cede_to_tick;
1548	$self->set_darkness_map;	1938	$self->set_darkness_map;
1549	Coro::cede;	1939	cf::cede_to_tick;
1550	$self->activate;	1940	$self->activate;
1551	}	1941	}
		1942
		1943	$self->{last_save} = $cf::RUNTIME;
		1944	$self->last_access ($cf::RUNTIME);
1552		1945
1553	$self->in_memory (cf::MAP_IN_MEMORY);	1946	$self->in_memory (cf::MAP_IN_MEMORY);
1554	}	1947	}
1555		1948
1556	$self->post_load;	1949	$self->post_load;
…		…
1560	my ($self, $ob) = @_;	1953	my ($self, $ob) = @_;
1561		1954
1562	return find "~" . $ob->name . "/" . $self->{path}	1955	return find "~" . $ob->name . "/" . $self->{path}
1563	if $self->per_player;	1956	if $self->per_player;
1564		1957
		1958	# return find "?party/" . $ob->name . "/" . $self->{path}
		1959	# if $self->per_party;
		1960
1565	$self	1961	$self
1566	}	1962	}
1567		1963
1568	# find and load all maps in the 3x3 area around a map	1964	# find and load all maps in the 3x3 area around a map
1569	sub load_diag {	1965	sub load_neighbours {
1570	my ($map) = @_;	1966	my ($map) = @_;
1571		1967
1572	my @diag; # diagonal neighbours	1968	my @neigh; # diagonal neighbours
1573		1969
1574	for (0 .. 3) {	1970	for (0 .. 3) {
1575	my $neigh = $map->tile_path ($_)	1971	my $neigh = $map->tile_path ($_)
1576	or next;	1972	or next;
1577	$neigh = find $neigh, $map	1973	$neigh = find $neigh, $map
1578	or next;	1974	or next;
1579	$neigh->load;	1975	$neigh->load;
1580		1976
		1977	push @neigh,
1581	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1978	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1582	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1979	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1583	}	1980	}
1584		1981
1585	for (@diag) {	1982	for (grep defined $_->[0], @neigh) {
		1983	my ($path, $origin) = @$_;
1586	my $neigh = find @$_	1984	my $neigh = find $path, $origin
1587	or next;	1985	or next;
1588	$neigh->load;	1986	$neigh->load;
1589	}	1987	}
1590	}	1988	}
1591		1989
…		…
1596	}	1994	}
1597		1995
1598	sub do_load_sync {	1996	sub do_load_sync {
1599	my ($map) = @_;	1997	my ($map) = @_;
1600		1998
		1999	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2000	if $Coro::current == $Coro::main;
		2001
1601	cf::sync_job { $map->load };	2002	cf::sync_job { $map->load };
1602	}	2003	}
1603		2004
1604	our %MAP_PREFETCH;	2005	our %MAP_PREFETCH;
1605	our $MAP_PREFETCHER = undef;	2006	our $MAP_PREFETCHER = undef;
1606		2007
1607	sub find_async {	2008	sub find_async {
1608	my ($path, $origin) = @_;	2009	my ($path, $origin, $load) = @_;
1609		2010
1610	$path = normalise $path, $origin && $origin->{path};	2011	$path = normalise $path, $origin && $origin->{path};
1611		2012
1612	if (my $map = $cf::MAP{$path}) {	2013	if (my $map = $cf::MAP{$path}) {
1613	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2014	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1614	}	2015	}
1615		2016
1616	undef $MAP_PREFETCH{$path};	2017	$MAP_PREFETCH{$path} |= $load;
		2018
1617	$MAP_PREFETCHER ||= cf::async {	2019	$MAP_PREFETCHER ||= cf::async {
1618	while (%MAP_PREFETCH) {	2020	while (%MAP_PREFETCH) {
1619	for my $path (keys %MAP_PREFETCH) {	2021	while (my ($k, $v) = each %MAP_PREFETCH) {
1620	my $map = find $path	2022	if (my $map = find $k) {
1621	or next;
1622	$map->load;	2023	$map->load if $v;
		2024	}
1623		2025
1624	delete $MAP_PREFETCH{$path};	2026	delete $MAP_PREFETCH{$k};
1625	}	2027	}
1626	}	2028	}
1627	undef $MAP_PREFETCHER;	2029	undef $MAP_PREFETCHER;
1628	};	2030	};
1629	$MAP_PREFETCHER->prio (6);	2031	$MAP_PREFETCHER->prio (6);
…		…
1632	}	2034	}
1633		2035
1634	sub save {	2036	sub save {
1635	my ($self) = @_;	2037	my ($self) = @_;
1636		2038
1637	my $lock = cf::lock_acquire "map_data:" . $self->path;	2039	my $lock = cf::lock_acquire "map_data:$self->{path}";
1638		2040
1639	$self->{last_save} = $cf::RUNTIME;	2041	$self->{last_save} = $cf::RUNTIME;
1640		2042
1641	return unless $self->dirty;	2043	return unless $self->dirty;
1642		2044
…		…
1665	my ($self) = @_;	2067	my ($self) = @_;
1666		2068
1667	# save first because save cedes	2069	# save first because save cedes
1668	$self->save;	2070	$self->save;
1669		2071
1670	my $lock = cf::lock_acquire "map_data:" . $self->path;	2072	my $lock = cf::lock_acquire "map_data:$self->{path}";
1671		2073
1672	return if $self->players;	2074	return if $self->players;
1673	return if $self->in_memory != cf::MAP_IN_MEMORY;	2075	return if $self->in_memory != cf::MAP_IN_MEMORY;
1674	return if $self->{deny_save};	2076	return if $self->{deny_save};
1675		2077
		2078	$self->deactivate;
1676	$self->clear;	2079	$self->clear;
1677	$self->in_memory (cf::MAP_SWAPPED);	2080	$self->in_memory (cf::MAP_SWAPPED);
1678	}	2081	}
1679		2082
1680	sub reset_at {	2083	sub reset_at {
1681	my ($self) = @_;	2084	my ($self) = @_;
1682		2085
1683	# TODO: safety, remove and allow resettable per-player maps	2086	# TODO: safety, remove and allow resettable per-player maps
1684	return 1e99 if $self->isa ("ext::map_per_player");#d#
1685	return 1e99 if $self->{deny_reset};	2087	return 1e99 if $self->{deny_reset};
1686		2088
1687	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2089	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1688	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2090	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1689		2091
…		…
1700	my ($self) = @_;	2102	my ($self) = @_;
1701		2103
1702	my $lock = cf::lock_acquire "map_data:$self->{path}";	2104	my $lock = cf::lock_acquire "map_data:$self->{path}";
1703		2105
1704	return if $self->players;	2106	return if $self->players;
1705	return if $self->isa ("ext::map_per_player");#d#
1706		2107
1707	warn "resetting map ", $self->path;#d#	2108	warn "resetting map ", $self->path;
1708		2109
1709	$self->in_memory (cf::MAP_SWAPPED);	2110	$self->in_memory (cf::MAP_SWAPPED);
1710		2111
1711	# need to save uniques path	2112	# need to save uniques path
1712	unless ($self->{deny_save}) {	2113	unless ($self->{deny_save}) {
…		…
1716	if $uniq;	2117	if $uniq;
1717	}	2118	}
1718		2119
1719	delete $cf::MAP{$self->path};	2120	delete $cf::MAP{$self->path};
1720		2121
		2122	$self->deactivate;
1721	$self->clear;	2123	$self->clear;
1722		2124
1723	$_->clear_links_to ($self) for values %cf::MAP;	2125	$_->clear_links_to ($self) for values %cf::MAP;
1724		2126
1725	$self->unlink_save;	2127	$self->unlink_save;
…		…
1729	my $nuke_counter = "aaaa";	2131	my $nuke_counter = "aaaa";
1730		2132
1731	sub nuke {	2133	sub nuke {
1732	my ($self) = @_;	2134	my ($self) = @_;
1733		2135
		2136	{
		2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2138
1734	delete $cf::MAP{$self->path};	2139	delete $cf::MAP{$self->path};
1735		2140
1736	$self->unlink_save;	2141	$self->unlink_save;
1737		2142
1738	bless $self, "cf::map";	2143	bless $self, "cf::map";
1739	delete $self->{deny_reset};	2144	delete $self->{deny_reset};
1740	$self->{deny_save} = 1;	2145	$self->{deny_save} = 1;
1741	$self->reset_timeout (1);	2146	$self->reset_timeout (1);
1742	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2147	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1743		2148
1744	$cf::MAP{$self->path} = $self;	2149	$cf::MAP{$self->path} = $self;
		2150	}
1745		2151
1746	$self->reset; # polite request, might not happen	2152	$self->reset; # polite request, might not happen
		2153	}
		2154
		2155	=item $maps = cf::map::tmp_maps
		2156
		2157	Returns an arrayref with all map paths of currently instantiated and saved
		2158	maps. May block.
		2159
		2160	=cut
		2161
		2162	sub tmp_maps() {
		2163	[
		2164	map {
		2165	utf8::decode $_;
		2166	/\.map$/
		2167	? normalise $_
		2168	: ()
		2169	} @{ aio_readdir $TMPDIR or [] }
		2170	]
		2171	}
		2172
		2173	=item $maps = cf::map::random_maps
		2174
		2175	Returns an arrayref with all map paths of currently instantiated and saved
		2176	random maps. May block.
		2177
		2178	=cut
		2179
		2180	sub random_maps() {
		2181	[
		2182	map {
		2183	utf8::decode $_;
		2184	/\.map$/
		2185	? normalise "?random/$_"
		2186	: ()
		2187	} @{ aio_readdir $RANDOMDIR or [] }
		2188	]
1747	}	2189	}
1748		2190
1749	=item cf::map::unique_maps	2191	=item cf::map::unique_maps
1750		2192
1751	Returns an arrayref of paths of all shared maps that have	2193	Returns an arrayref of paths of all shared maps that have
1752	instantiated unique items. May block.	2194	instantiated unique items. May block.
1753		2195
1754	=cut	2196	=cut
1755		2197
1756	sub unique_maps() {	2198	sub unique_maps() {
1757	my $files = aio_readdir $UNIQUEDIR	2199	[
1758	or return;	2200	map {
1759
1760	my @paths;
1761
1762	for (@$files) {
1763	utf8::decode $_;	2201	utf8::decode $_;
1764	next if /\.pst$/;	2202	/\.map$/
1765	next unless /^$PATH_SEP/o;	2203	? normalise $_
1766		2204	: ()
1767	push @paths, cf::map::normalise $_;	2205	} @{ aio_readdir $UNIQUEDIR or [] }
1768	}	2206	]
1769
1770	\@paths
1771	}	2207	}
1772		2208
1773	package cf;	2209	package cf;
1774		2210
1775	=back	2211	=back
…		…
1793	map { $_, inv_recursive_ $_->inv } @_	2229	map { $_, inv_recursive_ $_->inv } @_
1794	}	2230	}
1795		2231
1796	sub inv_recursive {	2232	sub inv_recursive {
1797	inv_recursive_ inv $_[0]	2233	inv_recursive_ inv $_[0]
		2234	}
		2235
		2236	=item $ref = $ob->ref
		2237
		2238	creates and returns a persistent reference to an objetc that can be stored as a string.
		2239
		2240	=item $ob = cf::object::deref ($refstring)
		2241
		2242	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2243	even if the object actually exists. May block.
		2244
		2245	=cut
		2246
		2247	sub deref {
		2248	my ($ref) = @_;
		2249
		2250	# temporary compatibility#TODO#remove
		2251	$ref =~ s{^<}{player/<};
		2252
		2253	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2254	my ($uuid, $name) = ($1, $2);
		2255	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2256	or return;
		2257	$pl->ob->uuid eq $uuid
		2258	or return;
		2259
		2260	$pl->ob
		2261	} else {
		2262	warn "$ref: cannot resolve object reference\n";
		2263	undef
		2264	}
1798	}	2265	}
1799		2266
1800	package cf;	2267	package cf;
1801		2268
1802	=back	2269	=back
…		…
1821		2288
1822	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2289	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1823		2290
1824	if ($self->{record_replies}) {	2291	if ($self->{record_replies}) {
1825	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2292	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2293
1826	} else {	2294	} else {
		2295	my $pl = $self->contr;
		2296
		2297	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2298	my $dialog = $pl->{npc_dialog};
		2299	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2300
		2301	} else {
1827	$msg = $npc->name . " says: $msg" if $npc;	2302	$msg = $npc->name . " says: $msg" if $npc;
1828	$self->message ($msg, $flags);	2303	$self->message ($msg, $flags);
		2304	}
1829	}	2305	}
		2306	}
		2307
		2308	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2309
		2310	=cut
		2311
		2312	sub cf::object::send_msg {
		2313	my $pl = shift->contr
		2314	or return;
		2315	$pl->send_msg (@_);
1830	}	2316	}
1831		2317
1832	=item $player_object->may ("access")	2318	=item $player_object->may ("access")
1833		2319
1834	Returns wether the given player is authorized to access resource "access"	2320	Returns wether the given player is authorized to access resource "access"
…		…
1881	$self->deactivate_recursive;	2367	$self->deactivate_recursive;
1882		2368
1883	return if UNIVERSAL::isa $self->map, "ext::map_link";	2369	return if UNIVERSAL::isa $self->map, "ext::map_link";
1884		2370
1885	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2371	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1886	if $self->map;	2372	if $self->map && $self->map->{path} ne "{link}";
1887		2373
1888	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2374	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1889	}	2375	}
1890		2376
1891	sub cf::object::player::leave_link {	2377	sub cf::object::player::leave_link {
1892	my ($self, $map, $x, $y) = @_;	2378	my ($self, $map, $x, $y) = @_;
		2379
		2380	return unless $self->contr->active;
1893		2381
1894	my $link_pos = delete $self->{_link_pos};	2382	my $link_pos = delete $self->{_link_pos};
1895		2383
1896	unless ($map) {	2384	unless ($map) {
1897	# restore original map position	2385	# restore original map position
…		…
1911	# use -1 or undef as default coordinates, not 0, 0	2399	# use -1 or undef as default coordinates, not 0, 0
1912	($x, $y) = ($map->enter_x, $map->enter_y)	2400	($x, $y) = ($map->enter_x, $map->enter_y)
1913	if $x <=0 && $y <= 0;	2401	if $x <=0 && $y <= 0;
1914		2402
1915	$map->load;	2403	$map->load;
1916	$map->load_diag;	2404	$map->load_neighbours;
1917		2405
1918	return unless $self->contr->active;	2406	return unless $self->contr->active;
1919	$self->activate_recursive;	2407	$self->activate_recursive;
1920		2408
1921	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2409	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1922	$self->enter_map ($map, $x, $y);	2410	$self->enter_map ($map, $x, $y);
1923	}	2411	}
1924		2412
1925	cf::player->attach (	2413	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1926	on_logout => sub {
1927	my ($pl) = @_;
1928		2414
1929	# abort map switching before logout	2415	Moves the player to the given map-path and coordinates by first freezing
1930	if ($pl->ob->{_link_pos}) {	2416	her, loading and preparing them map, calling the provided $check callback
1931	cf::sync_job {	2417	that has to return the map if sucecssful, and then unfreezes the player on
1932	$pl->ob->leave_link	2418	the new (success) or old (failed) map position. In either case, $done will
1933	};	2419	be called at the end of this process.
1934	}
1935	},
1936	on_login => sub {
1937	my ($pl) = @_;
1938		2420
1939	# try to abort aborted map switching on player login :)
1940	# should happen only on crashes
1941	if ($pl->ob->{_link_pos}) {
1942	$pl->ob->enter_link;
1943	(async {
1944	$pl->ob->reply (undef,
1945	"There was an internal problem at your last logout, "
1946	. "the server will try to bring you to your intended destination in a second.",
1947	cf::NDI_RED);
1948	# we need this sleep as the login has a concurrent enter_exit running
1949	# and this sleep increases chances of the player not ending up in scorn
1950	Coro::Timer::sleep 1;
1951	$pl->ob->leave_link;
1952	})->prio (2);
1953	}
1954	},
1955	);
1956
1957	=item $player_object->goto ($path, $x, $y)
1958
1959	=cut	2421	=cut
		2422
		2423	our $GOTOGEN;
1960		2424
1961	sub cf::object::player::goto {	2425	sub cf::object::player::goto {
1962	my ($self, $path, $x, $y) = @_;	2426	my ($self, $path, $x, $y, $check, $done) = @_;
		2427
		2428	# do generation counting so two concurrent goto's will be executed in-order
		2429	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1963		2430
1964	$self->enter_link;	2431	$self->enter_link;
1965		2432
1966	(async {	2433	(async {
1967	my $map = eval {	2434	my $map = eval {
1968	my $map = cf::map::find $path;	2435	my $map = cf::map::find $path;
		2436
		2437	if ($map) {
1969	$map = $map->customise_for ($self) if $map;	2438	$map = $map->customise_for ($self);
		2439	$map = $check->($map) if $check && $map;
		2440	} else {
		2441	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2442	}
		2443
1970	$map	2444	$map
		2445	};
		2446
		2447	if ($@) {
		2448	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2449	LOG llevError | logBacktrace, Carp::longmess $@;
1971	} or	2450	}
1972	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1973		2451
		2452	if ($gen == $self->{_goto_generation}) {
		2453	delete $self->{_goto_generation};
1974	$self->leave_link ($map, $x, $y);	2454	$self->leave_link ($map, $x, $y);
		2455	}
		2456
		2457	$done->() if $done;
1975	})->prio (1);	2458	})->prio (1);
1976	}	2459	}
1977		2460
1978	=item $player_object->enter_exit ($exit_object)	2461	=item $player_object->enter_exit ($exit_object)
1979		2462
…		…
2048	my $hp = $exit->stats->hp;	2531	my $hp = $exit->stats->hp;
2049	my $sp = $exit->stats->sp;	2532	my $sp = $exit->stats->sp;
2050		2533
2051	$self->enter_link;	2534	$self->enter_link;
2052		2535
		2536	# if exit is damned, update players death & WoR home-position
		2537	$self->contr->savebed ($slaying, $hp, $sp)
		2538	if $exit->flag (FLAG_DAMNED);
		2539
2053	(async {	2540	(async {
2054	$self->deactivate_recursive; # just to be sure	2541	$self->deactivate_recursive; # just to be sure
2055	unless (eval {	2542	unless (eval {
2056	$self->goto ($slaying, $hp, $sp);	2543	$self->goto ($slaying, $hp, $sp);
2057		2544
…		…
2084		2571
2085	utf8::encode $text;	2572	utf8::encode $text;
2086	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2573	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2087	}	2574	}
2088		2575
		2576	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2577
		2578	Send a drawinfo or msg packet to the client, formatting the msg for the
		2579	client if neccessary. C<$type> should be a string identifying the type of
		2580	the message, with C<log> being the default. If C<$color> is negative, suppress
		2581	the message unless the client supports the msg packet.
		2582
		2583	=cut
		2584
		2585	our %CHANNEL = (
		2586	"c/identify" => {
		2587	id => "identify",
		2588	title => "Identify",
		2589	reply => undef,
		2590	tooltip => "Items recently identified",
		2591	},
		2592	"c/examine" => {
		2593	id => "examine",
		2594	title => "Examine",
		2595	reply => undef,
		2596	tooltip => "Signs and other items you examined",
		2597	},
		2598	);
		2599
		2600	sub cf::client::send_msg {
		2601	my ($self, $channel, $msg, $color, @extra) = @_;
		2602
		2603	$msg = $self->pl->expand_cfpod ($msg);
		2604
		2605	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2606
		2607	# check predefined channels, for the benefit of C
		2608	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2609
		2610	if (ref $channel) {
		2611	# send meta info to client, if not yet sent
		2612	unless (exists $self->{channel}{$channel->{id}}) {
		2613	$self->{channel}{$channel->{id}} = $channel;
		2614	$self->ext_msg (channel_info => $channel)
		2615	if $self->can_msg;
		2616	}
		2617
		2618	$channel = $channel->{id};
		2619	}
		2620
		2621	return unless @extra || length $msg;
		2622
		2623	if ($self->can_msg) {
		2624	# default colour, mask it out
		2625	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2626	if $color & cf::NDI_DEF;
		2627
		2628	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2629	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2630	} else {
		2631	if ($color >= 0) {
		2632	# replace some tags by gcfclient-compatible ones
		2633	for ($msg) {
		2634	1 while
		2635	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2636	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2637	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2638	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2639	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2640	}
		2641
		2642	$color &= cf::NDI_COLOR_MASK;
		2643
		2644	utf8::encode $msg;
		2645
		2646	if (0 && $msg =~ /\[/) {
		2647	# COMMAND/INFO
		2648	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2649	} else {
		2650	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2651	$self->send_packet ("drawinfo $color $msg")
		2652	}
		2653	}
		2654	}
		2655	}
		2656
2089	=item $client->ext_event ($type, %msg)	2657	=item $client->ext_msg ($type, @msg)
2090		2658
2091	Sends an exti event to the client.	2659	Sends an ext event to the client.
2092		2660
2093	=cut	2661	=cut
2094		2662
2095	sub cf::client::ext_event($$%) {	2663	sub cf::client::ext_msg($$@) {
2096	my ($self, $type, %msg) = @_;	2664	my ($self, $type, @msg) = @_;
2097		2665
		2666	if ($self->extcmd == 2) {
		2667	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2668	} elsif ($self->extcmd == 1) { # TODO: remove
2098	$msg{msgtype} = "event_$type";	2669	push @msg, msgtype => "event_$type";
2099	$self->send_packet ("ext " . cf::to_json \%msg);	2670	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2671	}
		2672	}
		2673
		2674	=item $client->ext_reply ($msgid, @msg)
		2675
		2676	Sends an ext reply to the client.
		2677
		2678	=cut
		2679
		2680	sub cf::client::ext_reply($$@) {
		2681	my ($self, $id, @msg) = @_;
		2682
		2683	if ($self->extcmd == 2) {
		2684	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2685	} elsif ($self->extcmd == 1) {
		2686	#TODO: version 1, remove
		2687	unshift @msg, msgtype => "reply", msgid => $id;
		2688	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2689	}
2100	}	2690	}
2101		2691
2102	=item $success = $client->query ($flags, "text", \&cb)	2692	=item $success = $client->query ($flags, "text", \&cb)
2103		2693
2104	Queues a query to the client, calling the given callback with	2694	Queues a query to the client, calling the given callback with
2105	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2695	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2106	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2696	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2107		2697
2108	Queries can fail, so check the return code. Or don't, as queries will become	2698	Queries can fail, so check the return code. Or don't, as queries will
2109	reliable at some point in the future.	2699	become reliable at some point in the future.
2110		2700
2111	=cut	2701	=cut
2112		2702
2113	sub cf::client::query {	2703	sub cf::client::query {
2114	my ($self, $flags, $text, $cb) = @_;	2704	my ($self, $flags, $text, $cb) = @_;
…		…
2122	utf8::encode $text;	2712	utf8::encode $text;
2123	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2713	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2124		2714
2125	$self->send_packet ($self->{query_queue}[0][0])	2715	$self->send_packet ($self->{query_queue}[0][0])
2126	if @{ $self->{query_queue} } == 1;	2716	if @{ $self->{query_queue} } == 1;
		2717
		2718	1
2127	}	2719	}
2128		2720
2129	cf::client->attach (	2721	cf::client->attach (
		2722	on_connect => sub {
		2723	my ($ns) = @_;
		2724
		2725	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2726	},
2130	on_reply => sub {	2727	on_reply => sub {
2131	my ($ns, $msg) = @_;	2728	my ($ns, $msg) = @_;
2132		2729
2133	# this weird shuffling is so that direct followup queries	2730	# this weird shuffling is so that direct followup queries
2134	# get handled first	2731	# get handled first
…		…
2146	} else {	2743	} else {
2147	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2744	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2148	}	2745	}
2149	}	2746	}
2150	},	2747	},
		2748	on_exticmd => sub {
		2749	my ($ns, $buf) = @_;
		2750
		2751	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2752
		2753	if (ref $msg) {
		2754	my ($type, $reply, @payload) =
		2755	"ARRAY" eq ref $msg
		2756	? @$msg
		2757	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2758
		2759	my @reply;
		2760
		2761	if (my $cb = $EXTICMD{$type}) {
		2762	@reply = $cb->($ns, @payload);
		2763	}
		2764
		2765	$ns->ext_reply ($reply, @reply)
		2766	if $reply;
		2767
		2768	} else {
		2769	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2770	}
		2771
		2772	cf::override;
		2773	},
2151	);	2774	);
2152		2775
2153	=item $client->async (\&cb)	2776	=item $client->async (\&cb)
2154		2777
2155	Create a new coroutine, running the specified callback. The coroutine will	2778	Create a new coroutine, running the specified callback. The coroutine will
…		…
2196	our $safe = new Safe "safe";	2819	our $safe = new Safe "safe";
2197	our $safe_hole = new Safe::Hole;	2820	our $safe_hole = new Safe::Hole;
2198		2821
2199	$SIG{FPE} = 'IGNORE';	2822	$SIG{FPE} = 'IGNORE';
2200		2823
2201	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2824	$safe->permit_only (Opcode::opset qw(
		2825	:base_core :base_mem :base_orig :base_math
		2826	grepstart grepwhile mapstart mapwhile
		2827	sort time
		2828	));
2202		2829
2203	# here we export the classes and methods available to script code	2830	# here we export the classes and methods available to script code
2204		2831
2205	=pod	2832	=pod
2206		2833
2207	The following functions and methods are available within a safe environment:	2834	The following functions and methods are available within a safe environment:
2208		2835
2209	cf::object contr pay_amount pay_player map	2836	cf::object
		2837	contr pay_amount pay_player map x y force_find force_add
		2838	insert remove name archname title slaying race decrease_ob_nr
		2839
2210	cf::object::player player	2840	cf::object::player
2211	cf::player peaceful	2841	player
2212	cf::map trigger	2842
		2843	cf::player
		2844	peaceful
		2845
		2846	cf::map
		2847	trigger
2213		2848
2214	=cut	2849	=cut
2215		2850
2216	for (	2851	for (
2217	["cf::object" => qw(contr pay_amount pay_player map)],	2852	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2853	insert remove inv name archname title slaying race
		2854	decrease_ob_nr)],
2218	["cf::object::player" => qw(player)],	2855	["cf::object::player" => qw(player)],
2219	["cf::player" => qw(peaceful)],	2856	["cf::player" => qw(peaceful)],
2220	["cf::map" => qw(trigger)],	2857	["cf::map" => qw(trigger)],
2221	) {	2858	) {
2222	no strict 'refs';	2859	no strict 'refs';
…		…
2293	=back	2930	=back
2294		2931
2295	=cut	2932	=cut
2296		2933
2297	#############################################################################	2934	#############################################################################
2298
2299	=head2 EXTENSION DATABASE SUPPORT
2300
2301	Crossfire maintains a very simple database for extension use. It can
2302	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2303	convert to/from binary).
2304
2305	The parameter C<$family> should best start with the name of the extension
2306	using it, it should be unique.
2307
2308	=over 4
2309
2310	=item $value = cf::db_get $family => $key
2311
2312	Returns a single value from the database.
2313
2314	=item cf::db_put $family => $key => $value
2315
2316	Stores the given C<$value> in the family.
2317
2318	=cut
2319
2320	our $DB;
2321
2322	sub db_init {
2323	unless ($DB) {
2324	$DB = BDB::db_create $DB_ENV;
2325
2326	cf::sync_job {
2327	eval {
2328	$DB->set_flags (BDB::CHKSUM);
2329
2330	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2331	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2332	cf::cleanup "db_open(db): $!" if $!;
2333	};
2334	cf::cleanup "db_open(db): $@" if $@;
2335	};
2336	}
2337	}
2338
2339	sub db_get($$) {
2340	my $key = "$_[0]/$_[1]";
2341
2342	cf::sync_job {
2343	BDB::db_get $DB, undef, $key, my $data;
2344
2345	$! ? ()
2346	: $data
2347	}
2348	}
2349
2350	sub db_put($$$) {
2351	BDB::dbreq_pri 4;
2352	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2353	}
2354
2355	=item cf::cache $id => [$paths...], $processversion => $process
2356
2357	Generic caching function that returns the value of the resource $id,
2358	caching and regenerating as required.
2359
2360	This function can block.
2361
2362	=cut
2363
2364	sub cache {
2365	my ($id, $src, $processversion, $process) = @_;
2366
2367	my $meta =
2368	join "\x00",
2369	$processversion,
2370	map {
2371	aio_stat $_
2372	and Carp::croak "$_: $!";
2373
2374	($_, (stat _)[7,9])
2375	} @$src;
2376
2377	my $dbmeta = db_get cache => "$id/meta";
2378	if ($dbmeta ne $meta) {
2379	# changed, we may need to process
2380
2381	my @data;
2382	my $md5;
2383
2384	for (0 .. $#$src) {
2385	0 <= aio_load $src->[$_], $data[$_]
2386	or Carp::croak "$src->[$_]: $!";
2387	}
2388
2389	# if processing is expensive, check
2390	# checksum first
2391	if (1) {
2392	$md5 =
2393	join "\x00",
2394	$processversion,
2395	map {
2396	Coro::cede;
2397	($src->[$_], Digest::MD5::md5_hex $data[$_])
2398	} 0.. $#$src;
2399
2400
2401	my $dbmd5 = db_get cache => "$id/md5";
2402	if ($dbmd5 eq $md5) {
2403	db_put cache => "$id/meta", $meta;
2404
2405	return db_get cache => "$id/data";
2406	}
2407	}
2408
2409	my $t1 = Time::HiRes::time;
2410	my $data = $process->(\@data);
2411	my $t2 = Time::HiRes::time;
2412
2413	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2414
2415	db_put cache => "$id/data", $data;
2416	db_put cache => "$id/md5" , $md5;
2417	db_put cache => "$id/meta", $meta;
2418
2419	return $data;
2420	}
2421
2422	db_get cache => "$id/data"
2423	}
2424
2425	=item fork_call { }, $args
2426
2427	Executes the given code block with the given arguments in a seperate
2428	process, returning the results. Everything must be serialisable with
2429	Coro::Storable. May, of course, block. Note that the executed sub may
2430	never block itself or use any form of Event handling.
2431
2432	=cut
2433
2434	sub fork_call(&@) {
2435	my ($cb, @args) = @_;
2436
2437	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2438	# or die "socketpair: $!";
2439	pipe my $fh1, my $fh2
2440	or die "pipe: $!";
2441
2442	if (my $pid = fork) {
2443	close $fh2;
2444
2445	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2446	$res = Coro::Storable::thaw $res;
2447
2448	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2449
2450	die $$res unless "ARRAY" eq ref $res;
2451
2452	return wantarray ? @$res : $res->[-1];
2453	} else {
2454	reset_signals;
2455	local $SIG{__WARN__};
2456	local $SIG{__DIE__};
2457	eval {
2458	close $fh1;
2459
2460	my @res = eval { $cb->(@args) };
2461	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2462	};
2463
2464	warn $@ if $@;
2465	_exit 0;
2466	}
2467	}
2468
2469
2470
2471	#############################################################################
2472	# the server's init and main functions	2935	# the server's init and main functions
2473		2936
2474	sub load_facedata($) {	2937	sub load_facedata($) {
2475	my ($path) = @_;	2938	my ($path) = @_;
		2939
		2940	# HACK to clear player env face cache, we need some signal framework
		2941	# for this (global event?)
		2942	%ext::player_env::MUSIC_FACE_CACHE = ();
		2943
		2944	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2476		2945
2477	warn "loading facedata from $path\n";	2946	warn "loading facedata from $path\n";
2478		2947
2479	my $facedata;	2948	my $facedata;
2480	0 < aio_load $path, $facedata	2949	0 < aio_load $path, $facedata
…		…
2483	$facedata = Coro::Storable::thaw $facedata;	2952	$facedata = Coro::Storable::thaw $facedata;
2484		2953
2485	$facedata->{version} == 2	2954	$facedata->{version} == 2
2486	or cf::cleanup "$path: version mismatch, cannot proceed.";	2955	or cf::cleanup "$path: version mismatch, cannot proceed.";
2487		2956
		2957	# patch in the exptable
		2958	$facedata->{resource}{"res/exp_table"} = {
		2959	type => FT_RSRC,
		2960	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2961	};
		2962	cf::cede_to_tick;
		2963
2488	{	2964	{
2489	my $faces = $facedata->{faceinfo};	2965	my $faces = $facedata->{faceinfo};
2490		2966
2491	while (my ($face, $info) = each %$faces) {	2967	while (my ($face, $info) = each %$faces) {
2492	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2968	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2493	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2969	cf::face::set_visibility $idx, $info->{visibility};
		2970	cf::face::set_magicmap $idx, $info->{magicmap};
2494	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2971	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2495	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2972	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2496	Coro::cede;	2973
		2974	cf::cede_to_tick;
2497	}	2975	}
2498		2976
2499	while (my ($face, $info) = each %$faces) {	2977	while (my ($face, $info) = each %$faces) {
2500	next unless $info->{smooth};	2978	next unless $info->{smooth};
2501	my $idx = cf::face::find $face	2979	my $idx = cf::face::find $face
2502	or next;	2980	or next;
2503	if (my $smooth = cf::face::find $info->{smooth}) {	2981	if (my $smooth = cf::face::find $info->{smooth}) {
		2982	cf::face::set_smooth $idx, $smooth;
2504	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2983	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2505	} else {	2984	} else {
2506	warn "smooth face '$info->{smooth}' not found for face '$face'";	2985	warn "smooth face '$info->{smooth}' not found for face '$face'";
2507	}	2986	}
2508	Coro::cede;	2987
		2988	cf::cede_to_tick;
2509	}	2989	}
2510	}	2990	}
2511		2991
2512	{	2992	{
2513	my $anims = $facedata->{animinfo};	2993	my $anims = $facedata->{animinfo};
2514		2994
2515	while (my ($anim, $info) = each %$anims) {	2995	while (my ($anim, $info) = each %$anims) {
2516	cf::anim::set $anim, $info->{frames}, $info->{facings};	2996	cf::anim::set $anim, $info->{frames}, $info->{facings};
2517	Coro::cede;	2997	cf::cede_to_tick;
2518	}	2998	}
2519		2999
2520	cf::anim::invalidate_all; # d'oh	3000	cf::anim::invalidate_all; # d'oh
2521	}	3001	}
2522		3002
		3003	{
		3004	# TODO: for gcfclient pleasure, we should give resources
		3005	# that gcfclient doesn't grok a >10000 face index.
		3006	my $res = $facedata->{resource};
		3007
		3008	my $soundconf = delete $res->{"res/sound.conf"};
		3009
		3010	while (my ($name, $info) = each %$res) {
		3011	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3012	my $data;
		3013
		3014	if ($info->{type} & 1) {
		3015	# prepend meta info
		3016
		3017	my $meta = $enc->encode ({
		3018	name => $name,
		3019	%{ $info->{meta} || {} },
		3020	});
		3021
		3022	$data = pack "(w/a*)*", $meta, $info->{data};
		3023	} else {
		3024	$data = $info->{data};
		3025	}
		3026
		3027	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3028	cf::face::set_type $idx, $info->{type};
		3029
		3030	cf::cede_to_tick;
		3031	}
		3032
		3033	if ($soundconf) {
		3034	$soundconf = $enc->decode (delete $soundconf->{data});
		3035
		3036	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3037	my $sound = $soundconf->{compat}[$_]
		3038	or next;
		3039
		3040	my $face = cf::face::find "sound/$sound->[1]";
		3041	cf::sound::set $sound->[0] => $face;
		3042	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3043	}
		3044
		3045	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3046	my $face = cf::face::find "sound/$v";
		3047	cf::sound::set $k => $face;
		3048	}
		3049	}
		3050	}
		3051
2523	1	3052	1
2524	}	3053	}
2525		3054
		3055	register_exticmd fx_want => sub {
		3056	my ($ns, $want) = @_;
		3057
		3058	while (my ($k, $v) = each %$want) {
		3059	$ns->fx_want ($k, $v);
		3060	}
		3061	};
		3062
2526	sub reload_regions {	3063	sub reload_regions {
		3064	# HACK to clear player env face cache, we need some signal framework
		3065	# for this (global event?)
		3066	%ext::player_env::MUSIC_FACE_CACHE = ();
		3067
2527	load_resource_file "$MAPDIR/regions"	3068	load_resource_file "$MAPDIR/regions"
2528	or die "unable to load regions file\n";	3069	or die "unable to load regions file\n";
		3070
		3071	for (cf::region::list) {
		3072	$_->{match} = qr/$_->{match}/
		3073	if exists $_->{match};
		3074	}
2529	}	3075	}
2530		3076
2531	sub reload_facedata {	3077	sub reload_facedata {
2532	load_facedata "$DATADIR/facedata"	3078	load_facedata "$DATADIR/facedata"
2533	or die "unable to load facedata\n";	3079	or die "unable to load facedata\n";
2534	}	3080	}
2535		3081
2536	sub reload_archetypes {	3082	sub reload_archetypes {
2537	load_resource_file "$DATADIR/archetypes"	3083	load_resource_file "$DATADIR/archetypes"
2538	or die "unable to load archetypes\n";	3084	or die "unable to load archetypes\n";
		3085	#d# NEED to laod twice to resolve forward references
		3086	# this really needs to be done in an extra post-pass
		3087	# (which needs to be synchronous, so solve it differently)
		3088	load_resource_file "$DATADIR/archetypes"
		3089	or die "unable to load archetypes\n";
2539	}	3090	}
2540		3091
2541	sub reload_treasures {	3092	sub reload_treasures {
2542	load_resource_file "$DATADIR/treasures"	3093	load_resource_file "$DATADIR/treasures"
2543	or die "unable to load treasurelists\n";	3094	or die "unable to load treasurelists\n";
…		…
2546	sub reload_resources {	3097	sub reload_resources {
2547	warn "reloading resource files...\n";	3098	warn "reloading resource files...\n";
2548		3099
2549	reload_regions;	3100	reload_regions;
2550	reload_facedata;	3101	reload_facedata;
		3102	#reload_archetypes;#d#
2551	reload_archetypes;	3103	reload_archetypes;
2552	reload_treasures;	3104	reload_treasures;
2553		3105
2554	warn "finished reloading resource files\n";	3106	warn "finished reloading resource files\n";
2555	}	3107	}
2556		3108
2557	sub init {	3109	sub init {
2558	reload_resources;	3110	reload_resources;
2559	}	3111	}
2560		3112
2561	sub cfg_load {	3113	sub reload_config {
2562	open my $fh, "<:utf8", "$CONFDIR/config"	3114	open my $fh, "<:utf8", "$CONFDIR/config"
2563	or return;	3115	or return;
2564		3116
2565	local $/;	3117	local $/;
2566	*CFG = YAML::Syck::Load <$fh>;	3118	*CFG = YAML::Syck::Load <$fh>;
…		…
2586	(async {	3138	(async {
2587	Event::one_event;	3139	Event::one_event;
2588	})->prio (Coro::PRIO_MAX);	3140	})->prio (Coro::PRIO_MAX);
2589	};	3141	};
2590		3142
2591	cfg_load;	3143	reload_config;
2592	db_init;	3144	db_init;
2593	load_extensions;	3145	load_extensions;
2594		3146
2595	$TICK_WATCHER->start;	3147	$TICK_WATCHER->start;
2596	Event::loop;	3148	Event::loop;
…		…
2612	},	3164	},
2613	);	3165	);
2614	}	3166	}
2615	}	3167	}
2616		3168
		3169	sub write_runtime {
		3170	my $runtime = "$LOCALDIR/runtime";
		3171
		3172	# first touch the runtime file to show we are still running:
		3173	# the fsync below can take a very very long time.
		3174
		3175	IO::AIO::aio_utime $runtime, undef, undef;
		3176
		3177	my $guard = cf::lock_acquire "write_runtime";
		3178
		3179	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3180	or return;
		3181
		3182	my $value = $cf::RUNTIME + 90 + 10;
		3183	# 10 is the runtime save interval, for a monotonic clock
		3184	# 60 allows for the watchdog to kill the server.
		3185
		3186	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3187	and return;
		3188
		3189	# always fsync - this file is important
		3190	aio_fsync $fh
		3191	and return;
		3192
		3193	# touch it again to show we are up-to-date
		3194	aio_utime $fh, undef, undef;
		3195
		3196	close $fh
		3197	or return;
		3198
		3199	aio_rename "$runtime~", $runtime
		3200	and return;
		3201
		3202	warn "runtime file written.\n";
		3203
		3204	1
		3205	}
		3206
2617	sub emergency_save() {	3207	sub emergency_save() {
2618	my $freeze_guard = cf::freeze_mainloop;	3208	my $freeze_guard = cf::freeze_mainloop;
2619		3209
2620	warn "enter emergency perl save\n";	3210	warn "enter emergency perl save\n";
2621		3211
…		…
2696	%EXT_CORO = ();	3286	%EXT_CORO = ();
2697		3287
2698	warn "removing commands";	3288	warn "removing commands";
2699	%COMMAND = ();	3289	%COMMAND = ();
2700		3290
2701	warn "removing ext commands";	3291	warn "removing ext/exti commands";
2702	%EXTCMD = ();	3292	%EXTCMD = ();
		3293	%EXTICMD = ();
2703		3294
2704	warn "unloading/nuking all extensions";	3295	warn "unloading/nuking all extensions";
2705	for my $pkg (@EXTS) {	3296	for my $pkg (@EXTS) {
2706	warn "... unloading $pkg";	3297	warn "... unloading $pkg";
2707		3298
…		…
2750	warn "reloading cf.pm";	3341	warn "reloading cf.pm";
2751	require cf;	3342	require cf;
2752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3343	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2753		3344
2754	warn "loading config and database again";	3345	warn "loading config and database again";
2755	cf::cfg_load;	3346	cf::reload_config;
2756		3347
2757	warn "loading extensions";	3348	warn "loading extensions";
2758	cf::load_extensions;	3349	cf::load_extensions;
2759		3350
2760	warn "reattaching attachments to objects/players";	3351	warn "reattaching attachments to objects/players";
…		…
2825	my $signal = new Coro::Signal;	3416	my $signal = new Coro::Signal;
2826	push @WAIT_FOR_TICK_BEGIN, $signal;	3417	push @WAIT_FOR_TICK_BEGIN, $signal;
2827	$signal->wait;	3418	$signal->wait;
2828	}	3419	}
2829		3420
		3421	my $min = 1e6;#d#
		3422	my $avg = 10;
2830	$TICK_WATCHER = Event->timer (	3423	$TICK_WATCHER = Event->timer (
2831	reentrant => 0,	3424	reentrant => 0,
2832	parked => 1,	3425	parked => 1,
2833	prio => 0,	3426	prio => 0,
2834	at => $NEXT_TICK || $TICK,	3427	at => $NEXT_TICK || $TICK,
…		…
2838	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3431	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2839	unless ++$bug_warning > 10;	3432	unless ++$bug_warning > 10;
2840	return;	3433	return;
2841	}	3434	}
2842		3435
2843	$NOW = Event::time;	3436	$NOW = $tick_start = Event::time;
2844		3437
2845	cf::server_tick; # one server iteration	3438	cf::server_tick; # one server iteration
		3439
		3440	0 && sync_job {#d#
		3441	for(1..10) {
		3442	my $t = Event::time;
		3443	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3444	or die;
		3445
		3446	$map->width (50);
		3447	$map->height (50);
		3448	$map->alloc;
		3449	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3450	my $t = Event::time - $t;
		3451
		3452	#next unless $t < 0.0013;#d#
		3453	if ($t < $min) {
		3454	$min = $t;
		3455	}
		3456	$avg = $avg * 0.99 + $t * 0.01;
		3457	}
		3458	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3459	exit 0;
		3460	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3461	};
2846		3462
2847	$RUNTIME += $TICK;	3463	$RUNTIME += $TICK;
2848	$NEXT_TICK += $TICK;	3464	$NEXT_TICK += $TICK;
2849		3465
2850	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3466	if ($NOW >= $NEXT_RUNTIME_WRITE) {
…		…
2856	}	3472	}
2857		3473
2858	# my $AFTER = Event::time;	3474	# my $AFTER = Event::time;
2859	# warn $AFTER - $NOW;#d#	3475	# warn $AFTER - $NOW;#d#
2860		3476
		3477	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3478	$sig->send;
		3479	}
		3480	while (my $sig = shift @WAIT_FOR_TICK) {
		3481	$sig->send;
		3482	}
		3483
		3484	$NOW = Event::time;
		3485
2861	# if we are delayed by four ticks or more, skip them all	3486	# if we are delayed by four ticks or more, skip them all
2862	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3487	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2863		3488
2864	$TICK_WATCHER->at ($NEXT_TICK);	3489	$TICK_WATCHER->at ($NEXT_TICK);
2865	$TICK_WATCHER->start;	3490	$TICK_WATCHER->start;
2866		3491
2867	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3492	$LOAD = ($NOW - $tick_start) / $TICK;
2868	$sig->send;	3493	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2869	}
2870	while (my $sig = shift @WAIT_FOR_TICK) {
2871	$sig->send;
2872	}
2873		3494
2874	_post_tick;	3495	_post_tick;
		3496
		3497
2875	},	3498	},
2876	);	3499	);
2877		3500
2878	{	3501	{
2879	BDB::max_poll_time $TICK * 0.1;	3502	BDB::max_poll_time $TICK * 0.1;

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