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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.256 by root, Sat Apr 21 16:56:32 2007 UTC vs.
Revision 1.356 by root, Tue Sep 4 05:43:21 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
…		…
239		271
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.
		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
244		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
…		…
291	};	326	};
292	$TICK_WATCHER->stop;	327	$TICK_WATCHER->stop;
293	$guard	328	$guard
294	}	329	}
295		330
		331	=item cf::get_slot $time[, $priority[, $name]]
		332
		333	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		334	This call blocks and returns only when you have at least C<$time> seconds
		335	of cpu time till the next tick. The slot is only valid till the next cede.
		336
		337	The optional C<$name> can be used to identify the job to run. It might be
		338	used for statistical purposes and should identify the same time-class.
		339
		340	Useful for short background jobs.
		341
		342	=cut
		343
		344	our @SLOT_QUEUE;
		345	our $SLOT_QUEUE;
		346
		347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		348	$SLOT_QUEUE = Coro::async {
		349	my $signal = new Coro::Signal;
		350
		351	while () {
		352	next_job:
		353	my $avail = cf::till_tick;
		354	if ($avail > 0.01) {
		355	for (0 .. $#SLOT_QUEUE) {
		356	if ($SLOT_QUEUE[$_][0] < $avail) {
		357	my $job = splice @SLOT_QUEUE, $_, 1, ();
		358	$job->[2]->send;
		359	Coro::cede;
		360	goto next_job;
		361	}
		362	}
		363	}
		364
		365	if (@SLOT_QUEUE) {
		366	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		367	push @cf::WAIT_FOR_TICK, $signal;
		368	$signal->wait;
		369	} else {
		370	Coro::schedule;
		371	}
		372	}
		373	};
		374
		375	sub get_slot($;$$) {
		376	my ($time, $pri, $name) = @_;
		377
		378	$time = $TICK * .6 if $time > $TICK * .6;
		379	my $sig = new Coro::Signal;
		380
		381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		383	$SLOT_QUEUE->ready;
		384	$sig->wait;
		385	}
		386
296	=item cf::async { BLOCK }	387	=item cf::async { BLOCK }
297		388
298	Currently the same as Coro::async_pool, meaning you cannot use	389	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	390	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.	391	thing you are allowed to do is call C<prio> on it.
…		…
303		394
304	BEGIN { *async = \&Coro::async_pool }	395	BEGIN { *async = \&Coro::async_pool }
305		396
306	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
307		398
308	The design of crossfire+ requires that the main coro ($Coro::main) is	399	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	400	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.	401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		402	acceptable.
311		403
312	If it must be done, put the blocking parts into C<sync_job>. This will run	404	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	405	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	406	server will be frozen during this time, so the block should either finish
315	fast or be very important.	407	fast or be very important.
…		…
318		410
319	sub sync_job(&) {	411	sub sync_job(&) {
320	my ($job) = @_;	412	my ($job) = @_;
321		413
322	if ($Coro::current == $Coro::main) {	414	if ($Coro::current == $Coro::main) {
		415	my $time = Event::time;
		416
323	# this is the main coro, too bad, we have to block	417	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	418	# till the operation succeeds, freezing the server :/
325		419
326	# TODO: use suspend/resume instead	420	# TODO: use suspend/resume instead
327	# (but this is cancel-safe)	421	# (but this is cancel-safe)
…		…
338		432
339	while ($busy) {	433	while ($busy) {
340	Coro::cede or Event::one_event;	434	Coro::cede or Event::one_event;
341	}	435	}
342		436
		437	$time = Event::time - $time;
		438
		439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		441
		442	$tick_start += $time; # do not account sync jobs to server load
		443
343	wantarray ? @res : $res[0]	444	wantarray ? @res : $res[0]
344	} else {	445	} else {
345	# we are in another coroutine, how wonderful, everything just works	446	# we are in another coroutine, how wonderful, everything just works
346		447
347	$job->()	448	$job->()
…		…
366	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
367		468
368	$coro	469	$coro
369	}	470	}
370		471
371	sub write_runtime {	472	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		473
374	my $runtime = "$LOCALDIR/runtime";	474	Executes the given code block with the given arguments in a seperate
		475	process, returning the results. Everything must be serialisable with
		476	Coro::Storable. May, of course, block. Note that the executed sub may
		477	never block itself or use any form of Event handling.
375		478
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	479	=cut
377	or return;
378		480
379	my $value = $cf::RUNTIME + 90 + 10;	481	sub fork_call(&@) {
380	# 10 is the runtime save interval, for a monotonic clock	482	my ($cb, @args) = @_;
381	# 60 allows for the watchdog to kill the server.
382		483
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	484	# we seemingly have to make a local copy of the whole thing,
384	and return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (likely this will be rather laborious)
385		487
386	# always fsync - this file is important	488	my @res = Coro::Util::fork_eval {
387	aio_fsync $fh	489	reset_signals;
388	and return;	490	&$cb
		491	}, @args;
389		492
390	close $fh	493	wantarray ? @res : $res[-1]
391	or return;	494	}
392		495
393	aio_rename "$runtime~", $runtime	496	=item $value = cf::db_get $family => $key
394	and return;
395		497
		498	Returns a single value from the environment database.
		499
		500	=item cf::db_put $family => $key => $value
		501
		502	Stores the given C<$value> in the family. It can currently store binary
		503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		504
		505	=cut
		506
		507	our $DB;
		508
		509	sub db_init {
		510	unless ($DB) {
		511	$DB = BDB::db_create $DB_ENV;
		512
		513	cf::sync_job {
		514	eval {
		515	$DB->set_flags (BDB::CHKSUM);
		516
		517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		519	cf::cleanup "db_open(db): $!" if $!;
		520	};
		521	cf::cleanup "db_open(db): $@" if $@;
		522	};
396	1	523	}
		524	}
		525
		526	sub db_get($$) {
		527	my $key = "$_[0]/$_[1]";
		528
		529	cf::sync_job {
		530	BDB::db_get $DB, undef, $key, my $data;
		531
		532	$! ? ()
		533	: $data
		534	}
		535	}
		536
		537	sub db_put($$$) {
		538	BDB::dbreq_pri 4;
		539	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		540	}
		541
		542	=item cf::cache $id => [$paths...], $processversion => $process
		543
		544	Generic caching function that returns the value of the resource $id,
		545	caching and regenerating as required.
		546
		547	This function can block.
		548
		549	=cut
		550
		551	sub cache {
		552	my ($id, $src, $processversion, $process) = @_;
		553
		554	my $meta =
		555	join "\x00",
		556	$processversion,
		557	map {
		558	aio_stat $_
		559	and Carp::croak "$_: $!";
		560
		561	($_, (stat _)[7,9])
		562	} @$src;
		563
		564	my $dbmeta = db_get cache => "$id/meta";
		565	if ($dbmeta ne $meta) {
		566	# changed, we may need to process
		567
		568	my @data;
		569	my $md5;
		570
		571	for (0 .. $#$src) {
		572	0 <= aio_load $src->[$_], $data[$_]
		573	or Carp::croak "$src->[$_]: $!";
		574	}
		575
		576	# if processing is expensive, check
		577	# checksum first
		578	if (1) {
		579	$md5 =
		580	join "\x00",
		581	$processversion,
		582	map {
		583	cf::cede_to_tick;
		584	($src->[$_], Digest::MD5::md5_hex $data[$_])
		585	} 0.. $#$src;
		586
		587
		588	my $dbmd5 = db_get cache => "$id/md5";
		589	if ($dbmd5 eq $md5) {
		590	db_put cache => "$id/meta", $meta;
		591
		592	return db_get cache => "$id/data";
		593	}
		594	}
		595
		596	my $t1 = Time::HiRes::time;
		597	my $data = $process->(\@data);
		598	my $t2 = Time::HiRes::time;
		599
		600	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		601
		602	db_put cache => "$id/data", $data;
		603	db_put cache => "$id/md5" , $md5;
		604	db_put cache => "$id/meta", $meta;
		605
		606	return $data;
		607	}
		608
		609	db_get cache => "$id/data"
397	}	610	}
398		611
399	=item cf::datalog type => key => value, ...	612	=item cf::datalog type => key => value, ...
400		613
401	Log a datalog packet of the given type with the given key-value pairs.	614	Log a datalog packet of the given type with the given key-value pairs.
…		…
419	attach callbacks/event handlers (a collection of which is called an "attachment")	632	attach callbacks/event handlers (a collection of which is called an "attachment")
420	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
421		634
422	In the following description, CLASS can be any of C<global>, C<object>	635	In the following description, CLASS can be any of C<global>, C<object>
423	C<player>, C<client> or C<map> (i.e. the attachable objects in	636	C<player>, C<client> or C<map> (i.e. the attachable objects in
424	crossfire+).	637	Crossfire TRT).
425		638
426	=over 4	639	=over 4
427		640
428	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
429		642
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
593		806
594	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		811
599	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	813	my $pkg = shift @arg;
601		814
602	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
631	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
632	}	845	}
633		846
634	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
635	} else {	848	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
637	}	850	}
638		851
639	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
640	}	853	}
641		854
…		…
643	if (ref $_[0]) {	856	if (ref $_[0]) {
644	_object_attach @_;	857	_object_attach @_;
645	} else {	858	} else {
646	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
647	}	860	}
		861	_recalc_want;
648	};	862	};
649		863
650	# all those should be optimised	864	# all those should be optimised
651	sub cf::attachable::detach {	865	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
656	reattach ($obj);	870	reattach ($obj);
657	} else {	871	} else {
658	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
659	}	873	}
		874	_recalc_want;
660	};	875	};
661		876
662	sub cf::attachable::attached {	877	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
664		879
…		…
679	";	894	";
680	die if $@;	895	die if $@;
681	}	896	}
682		897
683	our $override;	898	our $override;
684	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	899	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685		900
686	sub override {	901	sub override {
687	$override = 1;	902	$override = 1;
688	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
689	}	904	}
690		905
691	sub do_invoke {	906	sub do_invoke {
692	my $event = shift;	907	my $event = shift;
693	my $callbacks = shift;	908	my $callbacks = shift;
694		909
695	@invoke_results = ();	910	@INVOKE_RESULTS = ();
696		911
697	local $override;	912	local $override;
698		913
699	for (@$callbacks) {	914	for (@$callbacks) {
700	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
717		932
718	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
719		934
720	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	935	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
721	removed in future versions), and there is no public API to access override	936	removed in future versions), and there is no public API to access override
722	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		938
724	=back	939	=back
725		940
726	=cut	941	=cut
727		942
728	#############################################################################	943	#############################################################################
729	# object support	944	# object support
		945	#
		946
		947	sub _can_merge {
		948	my ($ob1, $ob2) = @_;
		949
		950	local $Storable::canonical = 1;
		951	my $fob1 = Storable::freeze $ob1;
		952	my $fob2 = Storable::freeze $ob2;
		953
		954	$fob1 eq $fob2
		955	}
730		956
731	sub reattach {	957	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	959	my ($obj) = @_;
734		960
…		…
778	},	1004	},
779	);	1005	);
780		1006
781	sub object_freezer_save {	1007	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1008	my ($filename, $rdata, $objs) = @_;
		1009
		1010	my $guard = cf::lock_acquire "io";
783		1011
784	sync_job {	1012	sync_job {
785	if (length $$rdata) {	1013	if (length $$rdata) {
786	warn sprintf "saving %s (%d,%d)\n",	1014	warn sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1015	$filename, length $$rdata, scalar @$objs;
…		…
811	}	1039	}
812	} else {	1040	} else {
813	aio_unlink $filename;	1041	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1042	aio_unlink "$filename.pst";
815	}	1043	}
816	}	1044	};
		1045
		1046	undef $guard;
817	}	1047	}
818		1048
819	sub object_freezer_as_string {	1049	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1050	my ($rdata, $objs) = @_;
821		1051
…		…
826		1056
827	sub object_thawer_load {	1057	sub object_thawer_load {
828	my ($filename) = @_;	1058	my ($filename) = @_;
829		1059
830	my ($data, $av);	1060	my ($data, $av);
		1061
		1062	my $guard = cf::lock_acquire "io";
831		1063
832	(aio_load $filename, $data) >= 0	1064	(aio_load $filename, $data) >= 0
833	or return;	1065	or return;
834		1066
835	unless (aio_stat "$filename.pst") {	1067	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1068	(aio_load "$filename.pst", $av) >= 0
837	or return;	1069	or return;
		1070
		1071	undef $guard;
838	$av = eval { (Storable::thaw $av)->{objs} };	1072	$av = eval { (Storable::thaw $av)->{objs} };
839	}	1073	}
840		1074
841	warn sprintf "loading %s (%d)\n",	1075	warn sprintf "loading %s (%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1076	$filename, length $data, scalar @{$av || []};
		1077
843	return ($data, $av);	1078	($data, $av)
844	}	1079	}
		1080
		1081	=head2 COMMAND CALLBACKS
		1082
		1083	=over 4
		1084
		1085	=cut
845		1086
846	#############################################################################	1087	#############################################################################
847	# command handling &c	1088	# command handling &c
848		1089
849	=item cf::register_command $name => \&callback($ob,$args);	1090	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1103	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1104	}
864		1105
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1106	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1107
867	Register a callbackf ro execution when the client sends an extcmd packet.	1108	Register a callback for execution when the client sends an (synchronous)
		1109	extcmd packet. Ext commands will be processed in the order they are
		1110	received by the server, like other user commands. The first argument is
		1111	the logged-in player. Ext commands can only be processed after a player
		1112	has logged in successfully.
868		1113
869	If the callback returns something, it is sent back as if reply was being	1114	If the callback returns something, it is sent back as if reply was being
870	called.	1115	called.
871		1116
		1117	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1118
		1119	Register a callback for execution when the client sends an (asynchronous)
		1120	exticmd packet. Exti commands are processed by the server as soon as they
		1121	are received, i.e. out of order w.r.t. other commands. The first argument
		1122	is a client socket. Exti commands can be received anytime, even before
		1123	log-in.
		1124
		1125	If the callback returns something, it is sent back as if reply was being
		1126	called.
		1127
872	=cut	1128	=cut
873		1129
874	sub register_extcmd {	1130	sub register_extcmd {
875	my ($name, $cb) = @_;	1131	my ($name, $cb) = @_;
876		1132
877	$EXTCMD{$name} = $cb;	1133	$EXTCMD{$name} = $cb;
		1134	}
		1135
		1136	sub register_exticmd {
		1137	my ($name, $cb) = @_;
		1138
		1139	$EXTICMD{$name} = $cb;
878	}	1140	}
879		1141
880	cf::player->attach (	1142	cf::player->attach (
881	on_command => sub {	1143	on_command => sub {
882	my ($pl, $name, $params) = @_;	1144	my ($pl, $name, $params) = @_;
…		…
891	cf::override;	1153	cf::override;
892	},	1154	},
893	on_extcmd => sub {	1155	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1156	my ($pl, $buf) = @_;
895		1157
896	my $msg = eval { from_json $buf };	1158	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1159
898	if (ref $msg) {	1160	if (ref $msg) {
		1161	my ($type, $reply, @payload) =
		1162	"ARRAY" eq ref $msg
		1163	? @$msg
		1164	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1165
		1166	my @reply;
		1167
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1168	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1169	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1170	}
		1171
		1172	$pl->ext_reply ($reply, @reply)
		1173	if $reply;
		1174
904	} else {	1175	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1176	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1177	}
907		1178
908	cf::override;	1179	cf::override;
909	},	1180	},
910	);	1181	);
911		1182
912	sub load_extension {
913	my ($path) = @_;
914
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
916	my $base = $1;
917	my $pkg = $1;
918	$pkg =~ s/[^[:word:]]/_/g;
919	$pkg = "ext::$pkg";
920
921	warn "... loading '$path' into '$pkg'\n";
922
923	open my $fh, "<:utf8", $path
924	or die "$path: $!";
925
926	my $source =
927	"package $pkg; use strict; use utf8;\n"
928	. "#line 1 \"$path\"\n{\n"
929	. (do { local $/; <$fh> })
930	. "\n};\n1";
931
932	unless (eval $source) {
933	my $msg = $@ ? "$path: $@\n"
934	: "extension disabled.\n";
935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936	warn $@;
937	warn "mandatory extension failed to load, exiting.\n";
938	exit 1;
939	}
940	die $@;
941	}
942
943	push @EXTS, $pkg;
944	}
945
946	sub load_extensions {	1183	sub load_extensions {
		1184	cf::sync_job {
		1185	my %todo;
		1186
947	for my $ext (<$LIBDIR/*.ext>) {	1187	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1188	next unless -r $path;
949	eval {	1189
950	load_extension $ext;	1190	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1191	my $base = $1;
		1192	my $pkg = $1;
		1193	$pkg =~ s/[^[:word:]]/_/g;
		1194	$pkg = "ext::$pkg";
		1195
		1196	open my $fh, "<:utf8", $path
		1197	or die "$path: $!";
		1198
		1199	my $source = do { local $/; <$fh> };
		1200
		1201	my %ext = (
		1202	path => $path,
		1203	base => $base,
		1204	pkg => $pkg,
		1205	);
		1206
		1207	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1208	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1209
		1210	$ext{source} =
		1211	"package $pkg; use strict; use utf8;\n"
		1212	. "#line 1 \"$path\"\n{\n"
		1213	. $source
		1214	. "\n};\n1";
		1215
		1216	$todo{$base} = \%ext;
		1217	}
		1218
		1219	my %done;
		1220	while (%todo) {
		1221	my $progress;
		1222
		1223	while (my ($k, $v) = each %todo) {
		1224	for (split /,\s*/, $v->{meta}{depends}) {
		1225	goto skip
		1226	unless exists $done{$_};
		1227	}
		1228
		1229	warn "... loading '$k' into '$v->{pkg}'\n";
		1230
		1231	unless (eval $v->{source}) {
		1232	my $msg = $@ ? "$v->{path}: $@\n"
		1233	: "$v->{base}: extension inactive.\n";
		1234
		1235	if (exists $v->{meta}{mandatory}) {
		1236	warn $msg;
		1237	warn "mandatory extension failed to load, exiting.\n";
		1238	exit 1;
		1239	}
		1240
		1241	warn $msg;
		1242	}
		1243
		1244	$done{$k} = delete $todo{$k};
		1245	push @EXTS, $v->{pkg};
		1246	$progress = 1;
951	1	1247	}
952	} or warn "$ext not loaded: $@";	1248
		1249	skip:
		1250	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1251	unless $progress;
		1252	}
953	}	1253	};
954	}	1254	}
955		1255
956	#############################################################################	1256	#############################################################################
		1257
		1258	=back
957		1259
958	=head2 CORE EXTENSIONS	1260	=head2 CORE EXTENSIONS
959		1261
960	Functions and methods that extend core crossfire objects.	1262	Functions and methods that extend core crossfire objects.
961		1263
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1313	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1314	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1315	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1316	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1317
1016	my $pl = load_pl path $login	1318	my $f = new_from_file cf::object::thawer path $login
1017	or return;	1319	or return;
		1320
		1321	$f->next;
		1322	my $pl = cf::player::load_pl $f
		1323	or return;
		1324	local $cf::PLAYER_LOADING{$login} = $pl;
		1325	$f->resolve_delayed_derefs;
1018	$cf::PLAYER{$login} = $pl	1326	$cf::PLAYER{$login} = $pl
1019	}	1327	}
1020	}	1328	}
1021	}	1329	}
1022		1330
…		…
1032		1340
1033	aio_mkdir playerdir $pl, 0770;	1341	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1342	$pl->{last_save} = $cf::RUNTIME;
1035		1343
1036	$pl->save_pl ($path);	1344	$pl->save_pl ($path);
1037	Coro::cede;	1345	cf::cede_to_tick;
1038	}	1346	}
1039		1347
1040	sub new($) {	1348	sub new($) {
1041	my ($login) = @_;	1349	my ($login) = @_;
1042		1350
…		…
1046	$self->{deny_save} = 1;	1354	$self->{deny_save} = 1;
1047		1355
1048	$cf::PLAYER{$login} = $self;	1356	$cf::PLAYER{$login} = $self;
1049		1357
1050	$self	1358	$self
		1359	}
		1360
		1361	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1362
		1363	=cut
		1364
		1365	sub send_msg {
		1366	my $ns = shift->ns
		1367	or return;
		1368	$ns->send_msg (@_);
1051	}	1369	}
1052		1370
1053	=item $pl->quit_character	1371	=item $pl->quit_character
1054		1372
1055	Nukes the player without looking back. If logged in, the connection will	1373	Nukes the player without looking back. If logged in, the connection will
…		…
1110	or return [];	1428	or return [];
1111		1429
1112	my @logins;	1430	my @logins;
1113		1431
1114	for my $login (@$dirs) {	1432	for my $login (@$dirs) {
		1433	my $path = path $login;
		1434
		1435	# a .pst is a dead give-away for a valid player
		1436	unless (-e "$path.pst") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1437	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1438	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1439	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1440	}
1118		1441
1119	utf8::decode $login;	1442	utf8::decode $login;
1120	push @logins, $login;	1443	push @logins, $login;
1121	}	1444	}
1122		1445
…		…
1149	}	1472	}
1150		1473
1151	\@paths	1474	\@paths
1152	}	1475	}
1153		1476
		1477	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1478
		1479	Expand crossfire pod fragments into protocol xml.
		1480
		1481	=cut
		1482
		1483	sub expand_cfpod {
		1484	((my $self), (local $_)) = @_;
		1485
		1486	# escape & and <
		1487	s/&/&amp;/g;
		1488	s/(?<![BIUGHT])</&lt;/g;
		1489
		1490	# this is buggy, it needs to properly take care of nested <'s
		1491
		1492	1 while
		1493	# replace B<>, I<>, U<> etc.
		1494	s/B<([^\>]*)>/<b>$1<\/b>/
		1495	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1496	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1497	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1498	# replace G<male|female> tags
		1499	|| s{G<([^>|]*)\|([^>]*)>}{
		1500	$self->gender ? $2 : $1
		1501	}ge
		1502	# replace H<hint text>
		1503	|| s{H<([^\>]*)>}
		1504	{
		1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1507	"")
		1508	[$self->{hintmode}]
		1509	}ge;
		1510
		1511	# create single paragraphs (very hackish)
		1512	s/(?<=\S)\n(?=\w)/ /g;
		1513
		1514	# compress some whitespace
		1515	s/\s+\n/\n/g; # ws line-ends
		1516	s/\n\n+/\n/g; # double lines
		1517	s/^\n+//; # beginning lines
		1518	s/\n+$//; # ending lines
		1519
		1520	$_
		1521	}
		1522
		1523	sub hintmode {
		1524	$_[0]{hintmode} = $_[1] if @_ > 1;
		1525	$_[0]{hintmode}
		1526	}
		1527
1154	=item $player->ext_reply ($msgid, %msg)	1528	=item $player->ext_reply ($msgid, @msg)
1155		1529
1156	Sends an ext reply to the player.	1530	Sends an ext reply to the player.
1157		1531
1158	=cut	1532	=cut
1159		1533
1160	sub ext_reply($$%) {	1534	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1535	my ($self, $id, @msg) = @_;
1162		1536
1163	$msg{msgid} = $id;	1537	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1538	}
1167		1539
1168	=item $player->ext_event ($type, %msg)	1540	=item $player->ext_msg ($type, @msg)
1169		1541
1170	Sends an ext event to the client.	1542	Sends an ext event to the client.
1171		1543
1172	=cut	1544	=cut
1173		1545
1174	sub ext_event($$%) {	1546	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1547	my ($self, $type, @msg) = @_;
1176		1548
1177	$self->ns->ext_event ($type, %msg);	1549	$self->ns->ext_msg ($type, @msg);
1178	}	1550	}
1179		1551
1180	=head3 cf::region	1552	=head3 cf::region
1181		1553
1182	=over 4	1554	=over 4
…		…
1185		1557
1186	package cf::region;	1558	package cf::region;
1187		1559
1188	=item cf::region::find_by_path $path	1560	=item cf::region::find_by_path $path
1189		1561
1190	Tries to decuce the probable region for a map knowing only its path.	1562	Tries to decuce the likely region for a map knowing only its path.
1191		1563
1192	=cut	1564	=cut
1193		1565
1194	sub find_by_path($) {	1566	sub find_by_path($) {
1195	my ($path) = @_;	1567	my ($path) = @_;
1196		1568
1197	my ($match, $specificity);	1569	my ($match, $specificity);
1198		1570
1199	for my $region (list) {	1571	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1572	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1573	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1574	if $region->specificity > $specificity;
1203	}	1575	}
1204	}	1576	}
1205		1577
…		…
1269	my ($self, $merge) = @_;	1641	my ($self, $merge) = @_;
1270		1642
1271	# we have to keep some variables in memory intact	1643	# we have to keep some variables in memory intact
1272	local $self->{path};	1644	local $self->{path};
1273	local $self->{load_path};	1645	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1646
1277	$self->SUPER::thawer_merge ($merge);	1647	$self->SUPER::thawer_merge ($merge);
1278	}	1648	}
1279		1649
1280	sub normalise {	1650	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1697	$self->init; # pass $1 etc.
1328	return $self;	1698	return $self;
1329	}	1699	}
1330	}	1700	}
1331		1701
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1702	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1703	()
1334	}	1704	}
1335		1705
1336	sub init {	1706	sub init {
1337	my ($self) = @_;	1707	my ($self) = @_;
…		…
1380		1750
1381	$_->change_map_light ($change)	1751	$_->change_map_light ($change)
1382	for grep $_->outdoor, values %cf::MAP;	1752	for grep $_->outdoor, values %cf::MAP;
1383	}	1753	}
1384		1754
		1755	sub decay_objects {
		1756	my ($self) = @_;
		1757
		1758	return if $self->{deny_reset};
		1759
		1760	$self->do_decay_objects;
		1761	}
		1762
1385	sub unlink_save {	1763	sub unlink_save {
1386	my ($self) = @_;	1764	my ($self) = @_;
1387		1765
1388	utf8::encode (my $save = $self->save_path);	1766	utf8::encode (my $save = $self->save_path);
1389	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1767	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1392		1770
1393	sub load_header_from($) {	1771	sub load_header_from($) {
1394	my ($self, $path) = @_;	1772	my ($self, $path) = @_;
1395		1773
1396	utf8::encode $path;	1774	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	1775	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	1776	or return;
		1777
		1778	$self->_load_header ($f)
		1779	or return;
		1780
		1781	local $MAP_LOADING{$self->{path}} = $self;
		1782	$f->resolve_delayed_derefs;
1402		1783
1403	$self->{load_path} = $path;	1784	$self->{load_path} = $path;
1404		1785
1405	1	1786	1
1406	}	1787	}
…		…
1445	$self->load_header_orig	1826	$self->load_header_orig
1446	or return;	1827	or return;
1447	$self->prepare_orig;	1828	$self->prepare_orig;
1448	}	1829	}
1449		1830
		1831	$self->{deny_reset} = 1
		1832	if $self->no_reset;
		1833
1450	$self->default_region (cf::region::find_by_path $self->{path})	1834	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	1835	unless $self->default_region;
1452		1836
1453	1	1837	1
1454	}	1838	}
…		…
1469	$map->{last_save} = $cf::RUNTIME;	1853	$map->{last_save} = $cf::RUNTIME;
1470		1854
1471	$map->load_header	1855	$map->load_header
1472	or return;	1856	or return;
1473		1857
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1858	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	1859	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	1860	#$cf::WAIT_FOR_TICK->wait;
1477	$map->reset;	1861	$map->reset;
1478	undef $guard;	1862	undef $guard;
1479	return find $path;	1863	return find $path;
…		…
1492	local $self->{deny_reset} = 1; # loading can take a long time	1876	local $self->{deny_reset} = 1; # loading can take a long time
1493		1877
1494	my $path = $self->{path};	1878	my $path = $self->{path};
1495		1879
1496	{	1880	{
		1881	my $guard1 = cf::lock_acquire "map_data:$path";
1497	my $guard = cf::lock_acquire "map_load:$path";	1882	my $guard2 = cf::lock_acquire "map_load:$path";
1498		1883
1499	return if $self->in_memory != cf::MAP_SWAPPED;	1884	return if $self->in_memory != cf::MAP_SWAPPED;
1500		1885
1501	$self->in_memory (cf::MAP_LOADING);	1886	$self->in_memory (cf::MAP_LOADING);
1502		1887
1503	$self->alloc;	1888	$self->alloc;
1504		1889
1505	$self->pre_load;	1890	$self->pre_load;
1506	Coro::cede;	1891	cf::cede_to_tick;
1507		1892
		1893	my $f = new_from_file cf::object::thawer $self->{load_path};
		1894	$f->skip_block;
1508	$self->_load_objects ($self->{load_path}, 1)	1895	$self->_load_objects ($f)
1509	or return;	1896	or return;
1510		1897
1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1512	if delete $self->{load_original};	1899	if delete $self->{load_original};
1513		1900
1514	if (my $uniq = $self->uniq_path) {	1901	if (my $uniq = $self->uniq_path) {
1515	utf8::encode $uniq;	1902	utf8::encode $uniq;
1516	if (aio_open $uniq, O_RDONLY, 0) {	1903	unless (aio_stat $uniq) {
		1904	if (my $f = new_from_file cf::object::thawer $uniq) {
1517	$self->clear_unique_items;	1905	$self->clear_unique_items;
1518	$self->_load_objects ($uniq, 0);	1906	$self->_load_objects ($f);
		1907	$f->resolve_delayed_derefs;
		1908	}
1519	}	1909	}
1520	}	1910	}
1521		1911
1522	Coro::cede;	1912	$f->resolve_delayed_derefs;
		1913
		1914	cf::cede_to_tick;
1523	# now do the right thing for maps	1915	# now do the right thing for maps
1524	$self->link_multipart_objects;	1916	$self->link_multipart_objects;
1525	$self->difficulty ($self->estimate_difficulty)	1917	$self->difficulty ($self->estimate_difficulty)
1526	unless $self->difficulty;	1918	unless $self->difficulty;
1527	Coro::cede;	1919	cf::cede_to_tick;
1528		1920
1529	unless ($self->{deny_activate}) {	1921	unless ($self->{deny_activate}) {
1530	$self->decay_objects;	1922	$self->decay_objects;
1531	$self->fix_auto_apply;	1923	$self->fix_auto_apply;
1532	$self->update_buttons;	1924	$self->update_buttons;
1533	Coro::cede;	1925	cf::cede_to_tick;
1534	$self->set_darkness_map;	1926	$self->set_darkness_map;
1535	Coro::cede;	1927	cf::cede_to_tick;
1536	$self->activate;	1928	$self->activate;
1537	}	1929	}
1538		1930
		1931	$self->{last_save} = $cf::RUNTIME;
		1932	$self->last_access ($cf::RUNTIME);
		1933
1539	$self->in_memory (cf::MAP_IN_MEMORY);	1934	$self->in_memory (cf::MAP_IN_MEMORY);
1540
1541	undef $guard;
1542	}	1935	}
1543		1936
1544	$self->post_load;	1937	$self->post_load;
1545	}	1938	}
1546		1939
…		…
1548	my ($self, $ob) = @_;	1941	my ($self, $ob) = @_;
1549		1942
1550	return find "~" . $ob->name . "/" . $self->{path}	1943	return find "~" . $ob->name . "/" . $self->{path}
1551	if $self->per_player;	1944	if $self->per_player;
1552		1945
		1946	# return find "?party/" . $ob->name . "/" . $self->{path}
		1947	# if $self->per_party;
		1948
1553	$self	1949	$self
1554	}	1950	}
1555		1951
1556	# find and load all maps in the 3x3 area around a map	1952	# find and load all maps in the 3x3 area around a map
1557	sub load_diag {	1953	sub load_neighbours {
1558	my ($map) = @_;	1954	my ($map) = @_;
1559		1955
1560	my @diag; # diagonal neighbours	1956	my @neigh; # diagonal neighbours
1561		1957
1562	for (0 .. 3) {	1958	for (0 .. 3) {
1563	my $neigh = $map->tile_path ($_)	1959	my $neigh = $map->tile_path ($_)
1564	or next;	1960	or next;
1565	$neigh = find $neigh, $map	1961	$neigh = find $neigh, $map
1566	or next;	1962	or next;
1567	$neigh->load;	1963	$neigh->load;
1568		1964
		1965	push @neigh,
1569	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1966	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1570	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1967	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1571	}	1968	}
1572		1969
1573	for (@diag) {	1970	for (grep defined $_->[0], @neigh) {
		1971	my ($path, $origin) = @$_;
1574	my $neigh = find @$_	1972	my $neigh = find $path, $origin
1575	or next;	1973	or next;
1576	$neigh->load;	1974	$neigh->load;
1577	}	1975	}
1578	}	1976	}
1579		1977
…		…
1584	}	1982	}
1585		1983
1586	sub do_load_sync {	1984	sub do_load_sync {
1587	my ($map) = @_;	1985	my ($map) = @_;
1588		1986
		1987	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1988	if $Coro::current == $Coro::main;
		1989
1589	cf::sync_job { $map->load };	1990	cf::sync_job { $map->load };
1590	}	1991	}
1591		1992
1592	our %MAP_PREFETCH;	1993	our %MAP_PREFETCH;
1593	our $MAP_PREFETCHER = undef;	1994	our $MAP_PREFETCHER = undef;
1594		1995
1595	sub find_async {	1996	sub find_async {
1596	my ($path, $origin) = @_;	1997	my ($path, $origin, $load) = @_;
1597		1998
1598	$path = normalise $path, $origin && $origin->{path};	1999	$path = normalise $path, $origin && $origin->{path};
1599		2000
1600	if (my $map = $cf::MAP{$path}) {	2001	if (my $map = $cf::MAP{$path}) {
1601	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2002	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1602	}	2003	}
1603		2004
1604	undef $MAP_PREFETCH{$path};	2005	$MAP_PREFETCH{$path} |= $load;
		2006
1605	$MAP_PREFETCHER ||= cf::async {	2007	$MAP_PREFETCHER ||= cf::async {
1606	while (%MAP_PREFETCH) {	2008	while (%MAP_PREFETCH) {
1607	for my $path (keys %MAP_PREFETCH) {	2009	while (my ($k, $v) = each %MAP_PREFETCH) {
1608	my $map = find $path	2010	if (my $map = find $k) {
1609	or next;
1610	$map->load;	2011	$map->load if $v;
		2012	}
1611		2013
1612	delete $MAP_PREFETCH{$path};	2014	delete $MAP_PREFETCH{$k};
1613	}	2015	}
1614	}	2016	}
1615	undef $MAP_PREFETCHER;	2017	undef $MAP_PREFETCHER;
1616	};	2018	};
1617	$MAP_PREFETCHER->prio (6);	2019	$MAP_PREFETCHER->prio (6);
…		…
1620	}	2022	}
1621		2023
1622	sub save {	2024	sub save {
1623	my ($self) = @_;	2025	my ($self) = @_;
1624		2026
1625	my $lock = cf::lock_acquire "map_data:" . $self->path;	2027	my $lock = cf::lock_acquire "map_data:$self->{path}";
1626		2028
1627	$self->{last_save} = $cf::RUNTIME;	2029	$self->{last_save} = $cf::RUNTIME;
1628		2030
1629	return unless $self->dirty;	2031	return unless $self->dirty;
1630		2032
…		…
1653	my ($self) = @_;	2055	my ($self) = @_;
1654		2056
1655	# save first because save cedes	2057	# save first because save cedes
1656	$self->save;	2058	$self->save;
1657		2059
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		2061
1660	return if $self->players;	2062	return if $self->players;
1661	return if $self->in_memory != cf::MAP_IN_MEMORY;	2063	return if $self->in_memory != cf::MAP_IN_MEMORY;
1662	return if $self->{deny_save};	2064	return if $self->{deny_save};
1663		2065
…		…
1667		2069
1668	sub reset_at {	2070	sub reset_at {
1669	my ($self) = @_;	2071	my ($self) = @_;
1670		2072
1671	# TODO: safety, remove and allow resettable per-player maps	2073	# TODO: safety, remove and allow resettable per-player maps
1672	return 1e99 if $self->isa ("ext::map_per_player");#d#
1673	return 1e99 if $self->{deny_reset};	2074	return 1e99 if $self->{deny_reset};
1674		2075
1675	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2076	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1676	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2077	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1677		2078
…		…
1688	my ($self) = @_;	2089	my ($self) = @_;
1689		2090
1690	my $lock = cf::lock_acquire "map_data:$self->{path}";	2091	my $lock = cf::lock_acquire "map_data:$self->{path}";
1691		2092
1692	return if $self->players;	2093	return if $self->players;
1693	return if $self->isa ("ext::map_per_player");#d#
1694		2094
1695	warn "resetting map ", $self->path;#d#	2095	warn "resetting map ", $self->path;
1696		2096
1697	$self->in_memory (cf::MAP_SWAPPED);	2097	$self->in_memory (cf::MAP_SWAPPED);
1698		2098
1699	# need to save uniques path	2099	# need to save uniques path
1700	unless ($self->{deny_save}) {	2100	unless ($self->{deny_save}) {
…		…
1717	my $nuke_counter = "aaaa";	2117	my $nuke_counter = "aaaa";
1718		2118
1719	sub nuke {	2119	sub nuke {
1720	my ($self) = @_;	2120	my ($self) = @_;
1721		2121
		2122	{
		2123	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2124
1722	delete $cf::MAP{$self->path};	2125	delete $cf::MAP{$self->path};
1723		2126
1724	$self->unlink_save;	2127	$self->unlink_save;
1725		2128
1726	bless $self, "cf::map";	2129	bless $self, "cf::map";
1727	delete $self->{deny_reset};	2130	delete $self->{deny_reset};
1728	$self->{deny_save} = 1;	2131	$self->{deny_save} = 1;
1729	$self->reset_timeout (1);	2132	$self->reset_timeout (1);
1730	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2133	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1731		2134
1732	$cf::MAP{$self->path} = $self;	2135	$cf::MAP{$self->path} = $self;
		2136	}
1733		2137
1734	$self->reset; # polite request, might not happen	2138	$self->reset; # polite request, might not happen
		2139	}
		2140
		2141	=item $maps = cf::map::tmp_maps
		2142
		2143	Returns an arrayref with all map paths of currently instantiated and saved
		2144	maps. May block.
		2145
		2146	=cut
		2147
		2148	sub tmp_maps() {
		2149	[
		2150	map {
		2151	utf8::decode $_;
		2152	/\.map$/
		2153	? normalise $_
		2154	: ()
		2155	} @{ aio_readdir $TMPDIR or [] }
		2156	]
		2157	}
		2158
		2159	=item $maps = cf::map::random_maps
		2160
		2161	Returns an arrayref with all map paths of currently instantiated and saved
		2162	random maps. May block.
		2163
		2164	=cut
		2165
		2166	sub random_maps() {
		2167	[
		2168	map {
		2169	utf8::decode $_;
		2170	/\.map$/
		2171	? normalise "?random/$_"
		2172	: ()
		2173	} @{ aio_readdir $RANDOMDIR or [] }
		2174	]
1735	}	2175	}
1736		2176
1737	=item cf::map::unique_maps	2177	=item cf::map::unique_maps
1738		2178
1739	Returns an arrayref of paths of all shared maps that have	2179	Returns an arrayref of paths of all shared maps that have
1740	instantiated unique items. May block.	2180	instantiated unique items. May block.
1741		2181
1742	=cut	2182	=cut
1743		2183
1744	sub unique_maps() {	2184	sub unique_maps() {
1745	my $files = aio_readdir $UNIQUEDIR	2185	[
1746	or return;	2186	map {
1747
1748	my @paths;
1749
1750	for (@$files) {
1751	utf8::decode $_;	2187	utf8::decode $_;
1752	next if /\.pst$/;	2188	/\.map$/
1753	next unless /^$PATH_SEP/o;	2189	? normalise $_
1754		2190	: ()
1755	push @paths, cf::map::normalise $_;	2191	} @{ aio_readdir $UNIQUEDIR or [] }
1756	}	2192	]
1757
1758	\@paths
1759	}	2193	}
1760		2194
1761	package cf;	2195	package cf;
1762		2196
1763	=back	2197	=back
…		…
1781	map { $_, inv_recursive_ $_->inv } @_	2215	map { $_, inv_recursive_ $_->inv } @_
1782	}	2216	}
1783		2217
1784	sub inv_recursive {	2218	sub inv_recursive {
1785	inv_recursive_ inv $_[0]	2219	inv_recursive_ inv $_[0]
		2220	}
		2221
		2222	=item $ref = $ob->ref
		2223
		2224	creates and returns a persistent reference to an objetc that can be stored as a string.
		2225
		2226	=item $ob = cf::object::deref ($refstring)
		2227
		2228	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2229	even if the object actually exists. May block.
		2230
		2231	=cut
		2232
		2233	sub deref {
		2234	my ($ref) = @_;
		2235
		2236	# temporary compatibility#TODO#remove
		2237	$ref =~ s{^<}{player/<};
		2238
		2239	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2240	my ($uuid, $name) = ($1, $2);
		2241	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2242	or return;
		2243	$pl->ob->uuid eq $uuid
		2244	or return;
		2245
		2246	$pl->ob
		2247	} else {
		2248	warn "$ref: cannot resolve object reference\n";
		2249	undef
		2250	}
1786	}	2251	}
1787		2252
1788	package cf;	2253	package cf;
1789		2254
1790	=back	2255	=back
…		…
1809		2274
1810	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2275	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1811		2276
1812	if ($self->{record_replies}) {	2277	if ($self->{record_replies}) {
1813	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2278	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2279
1814	} else {	2280	} else {
		2281	my $pl = $self->contr;
		2282
		2283	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2284	my $dialog = $pl->{npc_dialog};
		2285	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2286
		2287	} else {
1815	$msg = $npc->name . " says: $msg" if $npc;	2288	$msg = $npc->name . " says: $msg" if $npc;
1816	$self->message ($msg, $flags);	2289	$self->message ($msg, $flags);
		2290	}
1817	}	2291	}
		2292	}
		2293
		2294	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2295
		2296	=cut
		2297
		2298	sub cf::object::send_msg {
		2299	my $pl = shift->contr
		2300	or return;
		2301	$pl->send_msg (@_);
1818	}	2302	}
1819		2303
1820	=item $player_object->may ("access")	2304	=item $player_object->may ("access")
1821		2305
1822	Returns wether the given player is authorized to access resource "access"	2306	Returns wether the given player is authorized to access resource "access"
…		…
1869	$self->deactivate_recursive;	2353	$self->deactivate_recursive;
1870		2354
1871	return if UNIVERSAL::isa $self->map, "ext::map_link";	2355	return if UNIVERSAL::isa $self->map, "ext::map_link";
1872		2356
1873	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2357	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1874	if $self->map;	2358	if $self->map && $self->map->{path} ne "{link}";
1875		2359
1876	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2360	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1877	}	2361	}
1878		2362
1879	sub cf::object::player::leave_link {	2363	sub cf::object::player::leave_link {
1880	my ($self, $map, $x, $y) = @_;	2364	my ($self, $map, $x, $y) = @_;
		2365
		2366	return unless $self->contr->active;
1881		2367
1882	my $link_pos = delete $self->{_link_pos};	2368	my $link_pos = delete $self->{_link_pos};
1883		2369
1884	unless ($map) {	2370	unless ($map) {
1885	# restore original map position	2371	# restore original map position
…		…
1899	# use -1 or undef as default coordinates, not 0, 0	2385	# use -1 or undef as default coordinates, not 0, 0
1900	($x, $y) = ($map->enter_x, $map->enter_y)	2386	($x, $y) = ($map->enter_x, $map->enter_y)
1901	if $x <=0 && $y <= 0;	2387	if $x <=0 && $y <= 0;
1902		2388
1903	$map->load;	2389	$map->load;
1904	$map->load_diag;	2390	$map->load_neighbours;
1905		2391
1906	return unless $self->contr->active;	2392	return unless $self->contr->active;
1907	$self->activate_recursive;	2393	$self->activate_recursive;
1908		2394
1909	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2395	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1910	$self->enter_map ($map, $x, $y);	2396	$self->enter_map ($map, $x, $y);
1911	}	2397	}
1912		2398
1913	cf::player->attach (	2399	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1914	on_logout => sub {
1915	my ($pl) = @_;
1916		2400
1917	# abort map switching before logout	2401	Moves the player to the given map-path and coordinates by first freezing
1918	if ($pl->ob->{_link_pos}) {	2402	her, loading and preparing them map, calling the provided $check callback
1919	cf::sync_job {	2403	that has to return the map if sucecssful, and then unfreezes the player on
1920	$pl->ob->leave_link	2404	the new (success) or old (failed) map position. In either case, $done will
1921	};	2405	be called at the end of this process.
1922	}
1923	},
1924	on_login => sub {
1925	my ($pl) = @_;
1926		2406
1927	# try to abort aborted map switching on player login :)
1928	# should happen only on crashes
1929	if ($pl->ob->{_link_pos}) {
1930	$pl->ob->enter_link;
1931	(async {
1932	$pl->ob->reply (undef,
1933	"There was an internal problem at your last logout, "
1934	. "the server will try to bring you to your intended destination in a second.",
1935	cf::NDI_RED);
1936	# we need this sleep as the login has a concurrent enter_exit running
1937	# and this sleep increases chances of the player not ending up in scorn
1938	Coro::Timer::sleep 1;
1939	$pl->ob->leave_link;
1940	})->prio (2);
1941	}
1942	},
1943	);
1944
1945	=item $player_object->goto ($path, $x, $y)
1946
1947	=cut	2407	=cut
		2408
		2409	our $GOTOGEN;
1948		2410
1949	sub cf::object::player::goto {	2411	sub cf::object::player::goto {
1950	my ($self, $path, $x, $y) = @_;	2412	my ($self, $path, $x, $y, $check, $done) = @_;
		2413
		2414	# do generation counting so two concurrent goto's will be executed in-order
		2415	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1951		2416
1952	$self->enter_link;	2417	$self->enter_link;
1953		2418
1954	(async {	2419	(async {
1955	my $map = eval {	2420	my $map = eval {
1956	my $map = cf::map::find $path;	2421	my $map = cf::map::find $path;
		2422
		2423	if ($map) {
1957	$map = $map->customise_for ($self) if $map;	2424	$map = $map->customise_for ($self);
		2425	$map = $check->($map) if $check && $map;
		2426	} else {
		2427	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2428	}
		2429
1958	$map	2430	$map
		2431	};
		2432
		2433	if ($@) {
		2434	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2435	LOG llevError | logBacktrace, Carp::longmess $@;
1959	} or	2436	}
1960	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1961		2437
		2438	if ($gen == $self->{_goto_generation}) {
		2439	delete $self->{_goto_generation};
1962	$self->leave_link ($map, $x, $y);	2440	$self->leave_link ($map, $x, $y);
		2441	}
		2442
		2443	$done->() if $done;
1963	})->prio (1);	2444	})->prio (1);
1964	}	2445	}
1965		2446
1966	=item $player_object->enter_exit ($exit_object)	2447	=item $player_object->enter_exit ($exit_object)
1967		2448
…		…
2036	my $hp = $exit->stats->hp;	2517	my $hp = $exit->stats->hp;
2037	my $sp = $exit->stats->sp;	2518	my $sp = $exit->stats->sp;
2038		2519
2039	$self->enter_link;	2520	$self->enter_link;
2040		2521
		2522	# if exit is damned, update players death & WoR home-position
		2523	$self->contr->savebed ($slaying, $hp, $sp)
		2524	if $exit->flag (FLAG_DAMNED);
		2525
2041	(async {	2526	(async {
2042	$self->deactivate_recursive; # just to be sure	2527	$self->deactivate_recursive; # just to be sure
2043	unless (eval {	2528	unless (eval {
2044	$self->goto ($slaying, $hp, $sp);	2529	$self->goto ($slaying, $hp, $sp);
2045		2530
…		…
2072		2557
2073	utf8::encode $text;	2558	utf8::encode $text;
2074	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2559	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2075	}	2560	}
2076		2561
		2562	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2563
		2564	Send a drawinfo or msg packet to the client, formatting the msg for the
		2565	client if neccessary. C<$type> should be a string identifying the type of
		2566	the message, with C<log> being the default. If C<$color> is negative, suppress
		2567	the message unless the client supports the msg packet.
		2568
		2569	=cut
		2570
		2571	our %CHANNEL = (
		2572	"c/identify" => {
		2573	id => "identify",
		2574	title => "Identify",
		2575	reply => undef,
		2576	tooltip => "Items recently identified",
		2577	},
		2578	"c/examine" => {
		2579	id => "examine",
		2580	title => "Examine",
		2581	reply => undef,
		2582	tooltip => "Signs and other items you examined",
		2583	},
		2584	);
		2585
		2586	sub cf::client::send_msg {
		2587	my ($self, $channel, $msg, $color, @extra) = @_;
		2588
		2589	$msg = $self->pl->expand_cfpod ($msg);
		2590
		2591	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2592
		2593	# check predefined channels, for the benefit of C
		2594	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2595
		2596	if (ref $channel) {
		2597	# send meta info to client, if not yet sent
		2598	unless (exists $self->{channel}{$channel->{id}}) {
		2599	$self->{channel}{$channel->{id}} = $channel;
		2600	$self->ext_msg (channel_info => $channel)
		2601	if $self->can_msg;
		2602	}
		2603
		2604	$channel = $channel->{id};
		2605	}
		2606
		2607	return unless @extra || length $msg;
		2608
		2609	if ($self->can_msg) {
		2610	# default colour, mask it out
		2611	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2612	if $color & cf::NDI_DEF;
		2613
		2614	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2615	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2616	} else {
		2617	if ($color >= 0) {
		2618	# replace some tags by gcfclient-compatible ones
		2619	for ($msg) {
		2620	1 while
		2621	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2622	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2623	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2624	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2625	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2626	}
		2627
		2628	$color &= cf::NDI_COLOR_MASK;
		2629
		2630	utf8::encode $msg;
		2631
		2632	if (0 && $msg =~ /\[/) {
		2633	# COMMAND/INFO
		2634	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2635	} else {
		2636	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2637	$self->send_packet ("drawinfo $color $msg")
		2638	}
		2639	}
		2640	}
		2641	}
		2642
2077	=item $client->ext_event ($type, %msg)	2643	=item $client->ext_msg ($type, @msg)
2078		2644
2079	Sends an exti event to the client.	2645	Sends an ext event to the client.
2080		2646
2081	=cut	2647	=cut
2082		2648
2083	sub cf::client::ext_event($$%) {	2649	sub cf::client::ext_msg($$@) {
2084	my ($self, $type, %msg) = @_;	2650	my ($self, $type, @msg) = @_;
2085		2651
		2652	if ($self->extcmd == 2) {
		2653	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2654	} elsif ($self->extcmd == 1) { # TODO: remove
2086	$msg{msgtype} = "event_$type";	2655	push @msg, msgtype => "event_$type";
2087	$self->send_packet ("ext " . cf::to_json \%msg);	2656	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2657	}
		2658	}
		2659
		2660	=item $client->ext_reply ($msgid, @msg)
		2661
		2662	Sends an ext reply to the client.
		2663
		2664	=cut
		2665
		2666	sub cf::client::ext_reply($$@) {
		2667	my ($self, $id, @msg) = @_;
		2668
		2669	if ($self->extcmd == 2) {
		2670	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2671	} elsif ($self->extcmd == 1) {
		2672	#TODO: version 1, remove
		2673	unshift @msg, msgtype => "reply", msgid => $id;
		2674	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2675	}
2088	}	2676	}
2089		2677
2090	=item $success = $client->query ($flags, "text", \&cb)	2678	=item $success = $client->query ($flags, "text", \&cb)
2091		2679
2092	Queues a query to the client, calling the given callback with	2680	Queues a query to the client, calling the given callback with
2093	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2681	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2094	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2682	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2095		2683
2096	Queries can fail, so check the return code. Or don't, as queries will become	2684	Queries can fail, so check the return code. Or don't, as queries will
2097	reliable at some point in the future.	2685	become reliable at some point in the future.
2098		2686
2099	=cut	2687	=cut
2100		2688
2101	sub cf::client::query {	2689	sub cf::client::query {
2102	my ($self, $flags, $text, $cb) = @_;	2690	my ($self, $flags, $text, $cb) = @_;
…		…
2110	utf8::encode $text;	2698	utf8::encode $text;
2111	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2699	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2112		2700
2113	$self->send_packet ($self->{query_queue}[0][0])	2701	$self->send_packet ($self->{query_queue}[0][0])
2114	if @{ $self->{query_queue} } == 1;	2702	if @{ $self->{query_queue} } == 1;
		2703
		2704	1
2115	}	2705	}
2116		2706
2117	cf::client->attach (	2707	cf::client->attach (
		2708	on_connect => sub {
		2709	my ($ns) = @_;
		2710
		2711	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2712	},
2118	on_reply => sub {	2713	on_reply => sub {
2119	my ($ns, $msg) = @_;	2714	my ($ns, $msg) = @_;
2120		2715
2121	# this weird shuffling is so that direct followup queries	2716	# this weird shuffling is so that direct followup queries
2122	# get handled first	2717	# get handled first
…		…
2134	} else {	2729	} else {
2135	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2730	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2136	}	2731	}
2137	}	2732	}
2138	},	2733	},
		2734	on_exticmd => sub {
		2735	my ($ns, $buf) = @_;
		2736
		2737	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2738
		2739	if (ref $msg) {
		2740	my ($type, $reply, @payload) =
		2741	"ARRAY" eq ref $msg
		2742	? @$msg
		2743	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2744
		2745	my @reply;
		2746
		2747	if (my $cb = $EXTICMD{$type}) {
		2748	@reply = $cb->($ns, @payload);
		2749	}
		2750
		2751	$ns->ext_reply ($reply, @reply)
		2752	if $reply;
		2753
		2754	} else {
		2755	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2756	}
		2757
		2758	cf::override;
		2759	},
2139	);	2760	);
2140		2761
2141	=item $client->async (\&cb)	2762	=item $client->async (\&cb)
2142		2763
2143	Create a new coroutine, running the specified callback. The coroutine will	2764	Create a new coroutine, running the specified callback. The coroutine will
…		…
2184	our $safe = new Safe "safe";	2805	our $safe = new Safe "safe";
2185	our $safe_hole = new Safe::Hole;	2806	our $safe_hole = new Safe::Hole;
2186		2807
2187	$SIG{FPE} = 'IGNORE';	2808	$SIG{FPE} = 'IGNORE';
2188		2809
2189	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2810	$safe->permit_only (Opcode::opset qw(
		2811	:base_core :base_mem :base_orig :base_math
		2812	grepstart grepwhile mapstart mapwhile
		2813	sort time
		2814	));
2190		2815
2191	# here we export the classes and methods available to script code	2816	# here we export the classes and methods available to script code
2192		2817
2193	=pod	2818	=pod
2194		2819
2195	The following functions and methods are available within a safe environment:	2820	The following functions and methods are available within a safe environment:
2196		2821
2197	cf::object contr pay_amount pay_player map	2822	cf::object
		2823	contr pay_amount pay_player map x y force_find force_add
		2824	insert remove name archname title slaying race decrease_ob_nr
		2825
2198	cf::object::player player	2826	cf::object::player
2199	cf::player peaceful	2827	player
2200	cf::map trigger	2828
		2829	cf::player
		2830	peaceful
		2831
		2832	cf::map
		2833	trigger
2201		2834
2202	=cut	2835	=cut
2203		2836
2204	for (	2837	for (
2205	["cf::object" => qw(contr pay_amount pay_player map)],	2838	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2839	insert remove inv name archname title slaying race
		2840	decrease_ob_nr)],
2206	["cf::object::player" => qw(player)],	2841	["cf::object::player" => qw(player)],
2207	["cf::player" => qw(peaceful)],	2842	["cf::player" => qw(peaceful)],
2208	["cf::map" => qw(trigger)],	2843	["cf::map" => qw(trigger)],
2209	) {	2844	) {
2210	no strict 'refs';	2845	no strict 'refs';
…		…
2281	=back	2916	=back
2282		2917
2283	=cut	2918	=cut
2284		2919
2285	#############################################################################	2920	#############################################################################
2286
2287	=head2 EXTENSION DATABASE SUPPORT
2288
2289	Crossfire maintains a very simple database for extension use. It can
2290	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2291	convert to/from binary).
2292
2293	The parameter C<$family> should best start with the name of the extension
2294	using it, it should be unique.
2295
2296	=over 4
2297
2298	=item $value = cf::db_get $family => $key
2299
2300	Returns a single value from the database.
2301
2302	=item cf::db_put $family => $key => $value
2303
2304	Stores the given C<$value> in the family.
2305
2306	=cut
2307
2308	our $DB;
2309
2310	sub db_init {
2311	unless ($DB) {
2312	$DB = BDB::db_create $DB_ENV;
2313
2314	cf::sync_job {
2315	eval {
2316	$DB->set_flags (BDB::CHKSUM);
2317
2318	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2319	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2320	cf::cleanup "db_open(db): $!" if $!;
2321	};
2322	cf::cleanup "db_open(db): $@" if $@;
2323	};
2324	}
2325	}
2326
2327	sub db_get($$) {
2328	my $key = "$_[0]/$_[1]";
2329
2330	cf::sync_job {
2331	BDB::db_get $DB, undef, $key, my $data;
2332
2333	$! ? ()
2334	: $data
2335	}
2336	}
2337
2338	sub db_put($$$) {
2339	BDB::dbreq_pri 4;
2340	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2341	}
2342
2343	=item cf::cache $id => [$paths...], $processversion => $process
2344
2345	Generic caching function that returns the value of the resource $id,
2346	caching and regenerating as required.
2347
2348	This function can block.
2349
2350	=cut
2351
2352	sub cache {
2353	my ($id, $src, $processversion, $process) = @_;
2354
2355	my $meta =
2356	join "\x00",
2357	$processversion,
2358	map {
2359	aio_stat $_
2360	and Carp::croak "$_: $!";
2361
2362	($_, (stat _)[7,9])
2363	} @$src;
2364
2365	my $dbmeta = db_get cache => "$id/meta";
2366	if ($dbmeta ne $meta) {
2367	# changed, we may need to process
2368
2369	my @data;
2370	my $md5;
2371
2372	for (0 .. $#$src) {
2373	0 <= aio_load $src->[$_], $data[$_]
2374	or Carp::croak "$src->[$_]: $!";
2375	}
2376
2377	# if processing is expensive, check
2378	# checksum first
2379	if (1) {
2380	$md5 =
2381	join "\x00",
2382	$processversion,
2383	map {
2384	Coro::cede;
2385	($src->[$_], Digest::MD5::md5_hex $data[$_])
2386	} 0.. $#$src;
2387
2388
2389	my $dbmd5 = db_get cache => "$id/md5";
2390	if ($dbmd5 eq $md5) {
2391	db_put cache => "$id/meta", $meta;
2392
2393	return db_get cache => "$id/data";
2394	}
2395	}
2396
2397	my $t1 = Time::HiRes::time;
2398	my $data = $process->(\@data);
2399	my $t2 = Time::HiRes::time;
2400
2401	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2402
2403	db_put cache => "$id/data", $data;
2404	db_put cache => "$id/md5" , $md5;
2405	db_put cache => "$id/meta", $meta;
2406
2407	return $data;
2408	}
2409
2410	db_get cache => "$id/data"
2411	}
2412
2413	=item fork_call { }, $args
2414
2415	Executes the given code block with the given arguments in a seperate
2416	process, returning the results. Everything must be serialisable with
2417	Coro::Storable. May, of course, block. Note that the executed sub may
2418	never block itself or use any form of Event handling.
2419
2420	=cut
2421
2422	sub fork_call(&@) {
2423	my ($cb, @args) = @_;
2424
2425	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2426	# or die "socketpair: $!";
2427	pipe my $fh1, my $fh2
2428	or die "pipe: $!";
2429
2430	if (my $pid = fork) {
2431	close $fh2;
2432
2433	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2434	$res = Coro::Storable::thaw $res;
2435
2436	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2437
2438	die $$res unless "ARRAY" eq ref $res;
2439
2440	return wantarray ? @$res : $res->[-1];
2441	} else {
2442	local $SIG{__WARN__};
2443	eval {
2444	local $SIG{__DIE__};
2445	close $fh1;
2446
2447	my @res = eval { $cb->(@args) };
2448	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2449	};
2450
2451	warn $@ if $@;
2452	_exit 0;
2453	}
2454	}
2455
2456
2457
2458	#############################################################################
2459	# the server's init and main functions	2921	# the server's init and main functions
2460		2922
2461	sub load_facedata($) {	2923	sub load_facedata($) {
2462	my ($path) = @_;	2924	my ($path) = @_;
		2925
		2926	# HACK to clear player env face cache, we need some signal framework
		2927	# for this (global event?)
		2928	%ext::player_env::MUSIC_FACE_CACHE = ();
		2929
		2930	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2463		2931
2464	warn "loading facedata from $path\n";	2932	warn "loading facedata from $path\n";
2465		2933
2466	my $facedata;	2934	my $facedata;
2467	0 < aio_load $path, $facedata	2935	0 < aio_load $path, $facedata
…		…
2470	$facedata = Coro::Storable::thaw $facedata;	2938	$facedata = Coro::Storable::thaw $facedata;
2471		2939
2472	$facedata->{version} == 2	2940	$facedata->{version} == 2
2473	or cf::cleanup "$path: version mismatch, cannot proceed.";	2941	or cf::cleanup "$path: version mismatch, cannot proceed.";
2474		2942
		2943	# patch in the exptable
		2944	$facedata->{resource}{"res/exp_table"} = {
		2945	type => FT_RSRC,
		2946	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2947	};
		2948	cf::cede_to_tick;
		2949
2475	{	2950	{
2476	my $faces = $facedata->{faceinfo};	2951	my $faces = $facedata->{faceinfo};
2477		2952
2478	while (my ($face, $info) = each %$faces) {	2953	while (my ($face, $info) = each %$faces) {
2479	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2954	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2480	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2955	cf::face::set_visibility $idx, $info->{visibility};
		2956	cf::face::set_magicmap $idx, $info->{magicmap};
2481	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2957	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2482	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2958	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2483	Coro::cede;	2959
		2960	cf::cede_to_tick;
2484	}	2961	}
2485		2962
2486	while (my ($face, $info) = each %$faces) {	2963	while (my ($face, $info) = each %$faces) {
2487	next unless $info->{smooth};	2964	next unless $info->{smooth};
2488	my $idx = cf::face::find $face	2965	my $idx = cf::face::find $face
2489	or next;	2966	or next;
2490	if (my $smooth = cf::face::find $info->{smooth}) {	2967	if (my $smooth = cf::face::find $info->{smooth}) {
		2968	cf::face::set_smooth $idx, $smooth;
2491	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2969	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2492	} else {	2970	} else {
2493	warn "smooth face '$info->{smooth}' not found for face '$face'";	2971	warn "smooth face '$info->{smooth}' not found for face '$face'";
2494	}	2972	}
2495	Coro::cede;	2973
		2974	cf::cede_to_tick;
2496	}	2975	}
2497	}	2976	}
2498		2977
2499	{	2978	{
2500	my $anims = $facedata->{animinfo};	2979	my $anims = $facedata->{animinfo};
2501		2980
2502	while (my ($anim, $info) = each %$anims) {	2981	while (my ($anim, $info) = each %$anims) {
2503	cf::anim::set $anim, $info->{frames}, $info->{facings};	2982	cf::anim::set $anim, $info->{frames}, $info->{facings};
2504	Coro::cede;	2983	cf::cede_to_tick;
2505	}	2984	}
2506		2985
2507	cf::anim::invalidate_all; # d'oh	2986	cf::anim::invalidate_all; # d'oh
2508	}	2987	}
2509		2988
		2989	{
		2990	# TODO: for gcfclient pleasure, we should give resources
		2991	# that gcfclient doesn't grok a >10000 face index.
		2992	my $res = $facedata->{resource};
		2993
		2994	my $soundconf = delete $res->{"res/sound.conf"};
		2995
		2996	while (my ($name, $info) = each %$res) {
		2997	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2998	my $data;
		2999
		3000	if ($info->{type} & 1) {
		3001	# prepend meta info
		3002
		3003	my $meta = $enc->encode ({
		3004	name => $name,
		3005	%{ $info->{meta} || {} },
		3006	});
		3007
		3008	$data = pack "(w/a*)*", $meta, $info->{data};
		3009	} else {
		3010	$data = $info->{data};
		3011	}
		3012
		3013	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3014	cf::face::set_type $idx, $info->{type};
		3015
		3016	cf::cede_to_tick;
		3017	}
		3018
		3019	if ($soundconf) {
		3020	$soundconf = $enc->decode (delete $soundconf->{data});
		3021
		3022	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3023	my $sound = $soundconf->{compat}[$_]
		3024	or next;
		3025
		3026	my $face = cf::face::find "sound/$sound->[1]";
		3027	cf::sound::set $sound->[0] => $face;
		3028	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3029	}
		3030
		3031	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3032	my $face = cf::face::find "sound/$v";
		3033	cf::sound::set $k => $face;
		3034	}
		3035	}
		3036	}
		3037
2510	1	3038	1
2511	}	3039	}
2512		3040
		3041	register_exticmd fx_want => sub {
		3042	my ($ns, $want) = @_;
		3043
		3044	while (my ($k, $v) = each %$want) {
		3045	$ns->fx_want ($k, $v);
		3046	}
		3047	};
		3048
2513	sub reload_regions {	3049	sub reload_regions {
		3050	# HACK to clear player env face cache, we need some signal framework
		3051	# for this (global event?)
		3052	%ext::player_env::MUSIC_FACE_CACHE = ();
		3053
2514	load_resource_file "$MAPDIR/regions"	3054	load_resource_file "$MAPDIR/regions"
2515	or die "unable to load regions file\n";	3055	or die "unable to load regions file\n";
		3056
		3057	for (cf::region::list) {
		3058	$_->{match} = qr/$_->{match}/
		3059	if exists $_->{match};
		3060	}
2516	}	3061	}
2517		3062
2518	sub reload_facedata {	3063	sub reload_facedata {
2519	load_facedata "$DATADIR/facedata"	3064	load_facedata "$DATADIR/facedata"
2520	or die "unable to load facedata\n";	3065	or die "unable to load facedata\n";
2521	}	3066	}
2522		3067
2523	sub reload_archetypes {	3068	sub reload_archetypes {
2524	load_resource_file "$DATADIR/archetypes"	3069	load_resource_file "$DATADIR/archetypes"
2525	or die "unable to load archetypes\n";	3070	or die "unable to load archetypes\n";
		3071	#d# NEED to laod twice to resolve forward references
		3072	# this really needs to be done in an extra post-pass
		3073	# (which needs to be synchronous, so solve it differently)
		3074	load_resource_file "$DATADIR/archetypes"
		3075	or die "unable to load archetypes\n";
2526	}	3076	}
2527		3077
2528	sub reload_treasures {	3078	sub reload_treasures {
2529	load_resource_file "$DATADIR/treasures"	3079	load_resource_file "$DATADIR/treasures"
2530	or die "unable to load treasurelists\n";	3080	or die "unable to load treasurelists\n";
…		…
2533	sub reload_resources {	3083	sub reload_resources {
2534	warn "reloading resource files...\n";	3084	warn "reloading resource files...\n";
2535		3085
2536	reload_regions;	3086	reload_regions;
2537	reload_facedata;	3087	reload_facedata;
		3088	#reload_archetypes;#d#
2538	reload_archetypes;	3089	reload_archetypes;
2539	reload_treasures;	3090	reload_treasures;
2540		3091
2541	warn "finished reloading resource files\n";	3092	warn "finished reloading resource files\n";
2542	}	3093	}
2543		3094
2544	sub init {	3095	sub init {
2545	reload_resources;	3096	reload_resources;
2546	}	3097	}
2547		3098
2548	sub cfg_load {	3099	sub reload_config {
2549	open my $fh, "<:utf8", "$CONFDIR/config"	3100	open my $fh, "<:utf8", "$CONFDIR/config"
2550	or return;	3101	or return;
2551		3102
2552	local $/;	3103	local $/;
2553	*CFG = YAML::Syck::Load <$fh>;	3104	*CFG = YAML::Syck::Load <$fh>;
…		…
2573	(async {	3124	(async {
2574	Event::one_event;	3125	Event::one_event;
2575	})->prio (Coro::PRIO_MAX);	3126	})->prio (Coro::PRIO_MAX);
2576	};	3127	};
2577		3128
2578	cfg_load;	3129	reload_config;
2579	db_init;	3130	db_init;
2580	load_extensions;	3131	load_extensions;
2581		3132
2582	$TICK_WATCHER->start;	3133	$TICK_WATCHER->start;
2583	Event::loop;	3134	Event::loop;
…		…
2599	},	3150	},
2600	);	3151	);
2601	}	3152	}
2602	}	3153	}
2603		3154
		3155	sub write_runtime {
		3156	my $runtime = "$LOCALDIR/runtime";
		3157
		3158	# first touch the runtime file to show we are still running:
		3159	# the fsync below can take a very very long time.
		3160
		3161	IO::AIO::aio_utime $runtime, undef, undef;
		3162
		3163	my $guard = cf::lock_acquire "write_runtime";
		3164
		3165	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3166	or return;
		3167
		3168	my $value = $cf::RUNTIME + 90 + 10;
		3169	# 10 is the runtime save interval, for a monotonic clock
		3170	# 60 allows for the watchdog to kill the server.
		3171
		3172	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3173	and return;
		3174
		3175	# always fsync - this file is important
		3176	aio_fsync $fh
		3177	and return;
		3178
		3179	# touch it again to show we are up-to-date
		3180	aio_utime $fh, undef, undef;
		3181
		3182	close $fh
		3183	or return;
		3184
		3185	aio_rename "$runtime~", $runtime
		3186	and return;
		3187
		3188	warn "runtime file written.\n";
		3189
		3190	1
		3191	}
		3192
2604	sub emergency_save() {	3193	sub emergency_save() {
2605	my $freeze_guard = cf::freeze_mainloop;	3194	my $freeze_guard = cf::freeze_mainloop;
2606		3195
2607	warn "enter emergency perl save\n";	3196	warn "enter emergency perl save\n";
2608		3197
…		…
2683	%EXT_CORO = ();	3272	%EXT_CORO = ();
2684		3273
2685	warn "removing commands";	3274	warn "removing commands";
2686	%COMMAND = ();	3275	%COMMAND = ();
2687		3276
2688	warn "removing ext commands";	3277	warn "removing ext/exti commands";
2689	%EXTCMD = ();	3278	%EXTCMD = ();
		3279	%EXTICMD = ();
2690		3280
2691	warn "unloading/nuking all extensions";	3281	warn "unloading/nuking all extensions";
2692	for my $pkg (@EXTS) {	3282	for my $pkg (@EXTS) {
2693	warn "... unloading $pkg";	3283	warn "... unloading $pkg";
2694		3284
…		…
2737	warn "reloading cf.pm";	3327	warn "reloading cf.pm";
2738	require cf;	3328	require cf;
2739	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3329	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2740		3330
2741	warn "loading config and database again";	3331	warn "loading config and database again";
2742	cf::cfg_load;	3332	cf::reload_config;
2743		3333
2744	warn "loading extensions";	3334	warn "loading extensions";
2745	cf::load_extensions;	3335	cf::load_extensions;
2746		3336
2747	warn "reattaching attachments to objects/players";	3337	warn "reattaching attachments to objects/players";
…		…
2812	my $signal = new Coro::Signal;	3402	my $signal = new Coro::Signal;
2813	push @WAIT_FOR_TICK_BEGIN, $signal;	3403	push @WAIT_FOR_TICK_BEGIN, $signal;
2814	$signal->wait;	3404	$signal->wait;
2815	}	3405	}
2816		3406
		3407	my $min = 1e6;#d#
		3408	my $avg = 10;
2817	$TICK_WATCHER = Event->timer (	3409	$TICK_WATCHER = Event->timer (
2818	reentrant => 0,	3410	reentrant => 0,
2819	parked => 1,	3411	parked => 1,
2820	prio => 0,	3412	prio => 0,
2821	at => $NEXT_TICK || $TICK,	3413	at => $NEXT_TICK || $TICK,
…		…
2825	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3417	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2826	unless ++$bug_warning > 10;	3418	unless ++$bug_warning > 10;
2827	return;	3419	return;
2828	}	3420	}
2829		3421
2830	$NOW = Event::time;	3422	$NOW = $tick_start = Event::time;
2831		3423
2832	cf::server_tick; # one server iteration	3424	cf::server_tick; # one server iteration
		3425
		3426	0 && sync_job {#d#
		3427	for(1..10) {
		3428	my $t = Event::time;
		3429	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3430	or die;
		3431
		3432	$map->width (50);
		3433	$map->height (50);
		3434	$map->alloc;
		3435	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3436	my $t = Event::time - $t;
		3437
		3438	#next unless $t < 0.0013;#d#
		3439	if ($t < $min) {
		3440	$min = $t;
		3441	}
		3442	$avg = $avg * 0.99 + $t * 0.01;
		3443	}
		3444	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3445	exit 0;
		3446	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3447	};
2833		3448
2834	$RUNTIME += $TICK;	3449	$RUNTIME += $TICK;
2835	$NEXT_TICK += $TICK;	3450	$NEXT_TICK += $TICK;
2836		3451
2837	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3452	if ($NOW >= $NEXT_RUNTIME_WRITE) {
…		…
2843	}	3458	}
2844		3459
2845	# my $AFTER = Event::time;	3460	# my $AFTER = Event::time;
2846	# warn $AFTER - $NOW;#d#	3461	# warn $AFTER - $NOW;#d#
2847		3462
		3463	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3464	$sig->send;
		3465	}
		3466	while (my $sig = shift @WAIT_FOR_TICK) {
		3467	$sig->send;
		3468	}
		3469
		3470	$NOW = Event::time;
		3471
2848	# if we are delayed by four ticks or more, skip them all	3472	# if we are delayed by four ticks or more, skip them all
2849	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3473	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2850		3474
2851	$TICK_WATCHER->at ($NEXT_TICK);	3475	$TICK_WATCHER->at ($NEXT_TICK);
2852	$TICK_WATCHER->start;	3476	$TICK_WATCHER->start;
2853		3477
2854	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3478	$LOAD = ($NOW - $tick_start) / $TICK;
2855	$sig->send;	3479	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2856	}
2857	while (my $sig = shift @WAIT_FOR_TICK) {
2858	$sig->send;
2859	}
2860		3480
2861	_post_tick;	3481	_post_tick;
		3482
		3483
2862	},	3484	},
2863	);	3485	);
2864		3486
2865	{	3487	{
2866	BDB::max_poll_time $TICK * 0.1;	3488	BDB::max_poll_time $TICK * 0.1;
…		…
2925	prio => 6,	3547	prio => 6,
2926	cb => \&IO::AIO::poll_cb,	3548	cb => \&IO::AIO::poll_cb,
2927	);	3549	);
2928	}	3550	}
2929		3551
		3552	my $_log_backtrace;
		3553
		3554	sub _log_backtrace {
		3555	my ($msg, @addr) = @_;
		3556
		3557	$msg =~ s/\n//;
		3558
		3559	# limit the # of concurrent backtraces
		3560	if ($_log_backtrace < 2) {
		3561	++$_log_backtrace;
		3562	async {
		3563	my @bt = fork_call {
		3564	@addr = map { sprintf "%x", $_ } @addr;
		3565	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3566	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3567	or die "addr2line: $!";
		3568
		3569	my @funcs;
		3570	my @res = <$fh>;
		3571	chomp for @res;
		3572	while (@res) {
		3573	my ($func, $line) = splice @res, 0, 2, ();
		3574	push @funcs, "[$func] $line";
		3575	}
		3576
		3577	@funcs
		3578	};
		3579
		3580	LOG llevInfo, "[ABT] $msg\n";
		3581	LOG llevInfo, "[ABT] $_\n" for @bt;
		3582	--$_log_backtrace;
		3583	};
		3584	} else {
		3585	LOG llevInfo, "[ABT] $msg\n";
		3586	LOG llevInfo, "[ABT] [suppressed]\n";
		3587	}
		3588	}
		3589
2930	# load additional modules	3590	# load additional modules
2931	use cf::pod;	3591	use cf::pod;
2932		3592
2933	END { cf::emergency_save }	3593	END { cf::emergency_save }
2934		3594

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