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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.263 by root, Sat May 5 05:40:27 2007 UTC vs.
Revision 1.361 by root, Sun Sep 9 12:52:48 2007 UTC

…		…
10	use Event;	10	use Event;
11	use Opcode;	11	use Opcode;
12	use Safe;	12	use Safe;
13	use Safe::Hole;	13	use Safe::Hole;
14		14
15	use Coro 3.61 ();	15	use Coro 3.64 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::Event;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
23	use Coro::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
24		25
		26	use JSON::XS ();
25	use BDB ();	27	use BDB ();
26	use Data::Dumper;	28	use Data::Dumper;
27	use Digest::MD5;	29	use Digest::MD5;
28	use Fcntl;	30	use Fcntl;
29	use YAML::Syck ();	31	use YAML::Syck ();
30	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
31	use Time::HiRes;	33	use Time::HiRes;
32	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
33		36
34	# configure various modules to our taste	37	# configure various modules to our taste
35	#	38	#
36	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
…		…
49	our %COMMAND = ();	52	our %COMMAND = ();
50	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
51		54
52	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
56		60
57	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
58	our @EVENT;	62	our @EVENT;
…		…
83	our %CFG;	87	our %CFG;
84		88
85	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	90	our $RUNTIME;
87		91
88	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
91		95
92	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		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 $guard = cf::lock_acquire "write_runtime";
373		481
374	my $runtime = "$LOCALDIR/runtime";	482	Executes the given code block with the given arguments in a seperate
		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.
375		486
376	warn "starting to write runtime...\n";#d#	487	=cut
377	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
378	or return;
379		488
380	my $value = $cf::RUNTIME + 90 + 10;	489	sub fork_call(&@) {
381	# 10 is the runtime save interval, for a monotonic clock	490	my ($cb, @args) = @_;
382	# 60 allows for the watchdog to kill the server.
383		491
384	(aio_write $fh, 0, (length $value), $value, 0) <= 0	492	# we seemingly have to make a local copy of the whole thing,
385	and return;	493	# otherwise perl prematurely frees the stuff :/
		494	# TODO: investigate and fix (likely this will be rather laborious)
386		495
387	# always fsync - this file is important	496	my @res = Coro::Util::fork_eval {
388	aio_fsync $fh	497	reset_signals;
389	and return;	498	&$cb
		499	}, @args;
390		500
391	close $fh	501	wantarray ? @res : $res[-1]
392	or return;	502	}
393		503
394	aio_rename "$runtime~", $runtime	504	=item $value = cf::db_get $family => $key
395	and return;
396		505
397	warn "... done writing runtime.\n";#d#	506	Returns a single value from the environment database.
398		507
		508	=item cf::db_put $family => $key => $value
		509
		510	Stores the given C<$value> in the family. It can currently store binary
		511	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		512
		513	=cut
		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	};
399	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"
400	}	618	}
401		619
402	=item cf::datalog type => key => value, ...	620	=item cf::datalog type => key => value, ...
403		621
404	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.
…		…
422	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")
423	to it. All such attachable objects support the following methods.	641	to it. All such attachable objects support the following methods.
424		642
425	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>
426	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
427	crossfire+).	645	Crossfire TRT).
428		646
429	=over 4	647	=over 4
430		648
431	=item $attachable->attach ($attachment, key => $value...)	649	=item $attachable->attach ($attachment, key => $value...)
432		650
…		…
595	$registry = $CB_TYPE[$object_type] ||= [];	813	$registry = $CB_TYPE[$object_type] ||= [];
596		814
597	} elsif ($type eq "subtype") {	815	} elsif ($type eq "subtype") {
598	defined $object_type or Carp::croak "subtype specified without type";	816	defined $object_type or Carp::croak "subtype specified without type";
599	my $object_subtype = shift @arg;	817	my $object_subtype = shift @arg;
600	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	818	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
601		819
602	} elsif ($type eq "package") {	820	} elsif ($type eq "package") {
603	my $pkg = shift @arg;	821	my $pkg = shift @arg;
604		822
605	while (my ($name, $id) = each %cb_id) {	823	while (my ($name, $id) = each %cb_id) {
…		…
634	_attach $registry, $klass, @attach;	852	_attach $registry, $klass, @attach;
635	}	853	}
636		854
637	$obj->{$name} = \%arg;	855	$obj->{$name} = \%arg;
638	} else {	856	} else {
639	warn "object uses attachment '$name' that is not available, postponing.\n";	857	warn "object uses attachment '$name' which is not available, postponing.\n";
640	}	858	}
641		859
642	$obj->{_attachment}{$name} = undef;	860	$obj->{_attachment}{$name} = undef;
643	}	861	}
644		862
…		…
646	if (ref $_[0]) {	864	if (ref $_[0]) {
647	_object_attach @_;	865	_object_attach @_;
648	} else {	866	} else {
649	_attach shift->_attach_registry, @_;	867	_attach shift->_attach_registry, @_;
650	}	868	}
		869	_recalc_want;
651	};	870	};
652		871
653	# all those should be optimised	872	# all those should be optimised
654	sub cf::attachable::detach {	873	sub cf::attachable::detach {
655	my ($obj, $name) = @_;	874	my ($obj, $name) = @_;
…		…
658	delete $obj->{_attachment}{$name};	877	delete $obj->{_attachment}{$name};
659	reattach ($obj);	878	reattach ($obj);
660	} else {	879	} else {
661	Carp::croak "cannot, currently, detach class attachments";	880	Carp::croak "cannot, currently, detach class attachments";
662	}	881	}
		882	_recalc_want;
663	};	883	};
664		884
665	sub cf::attachable::attached {	885	sub cf::attachable::attached {
666	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
667		887
…		…
682	";	902	";
683	die if $@;	903	die if $@;
684	}	904	}
685		905
686	our $override;	906	our $override;
687	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?
688		908
689	sub override {	909	sub override {
690	$override = 1;	910	$override = 1;
691	@invoke_results = ();	911	@INVOKE_RESULTS = (@_);
692	}	912	}
693		913
694	sub do_invoke {	914	sub do_invoke {
695	my $event = shift;	915	my $event = shift;
696	my $callbacks = shift;	916	my $callbacks = shift;
697		917
698	@invoke_results = ();	918	@INVOKE_RESULTS = ();
699		919
700	local $override;	920	local $override;
701		921
702	for (@$callbacks) {	922	for (@$callbacks) {
703	eval { &{$_->[1]} };	923	eval { &{$_->[1]} };
…		…
720		940
721	Generate an object-specific event with the given arguments.	941	Generate an object-specific event with the given arguments.
722		942
723	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
724	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
725	results (if you must, access C<@cf::invoke_results> directly).	945	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
726		946
727	=back	947	=back
728		948
729	=cut	949	=cut
730		950
731	#############################################################################	951	#############################################################################
732	# 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	}
733		964
734	sub reattach {	965	sub reattach {
735	# basically do the same as instantiate, without calling instantiate	966	# basically do the same as instantiate, without calling instantiate
736	my ($obj) = @_;	967	my ($obj) = @_;
737		968
…		…
781	},	1012	},
782	);	1013	);
783		1014
784	sub object_freezer_save {	1015	sub object_freezer_save {
785	my ($filename, $rdata, $objs) = @_;	1016	my ($filename, $rdata, $objs) = @_;
		1017
		1018	my $guard = cf::lock_acquire "io";
786		1019
787	sync_job {	1020	sync_job {
788	if (length $$rdata) {	1021	if (length $$rdata) {
789	warn sprintf "saving %s (%d,%d)\n",	1022	warn sprintf "saving %s (%d,%d)\n",
790	$filename, length $$rdata, scalar @$objs;	1023	$filename, length $$rdata, scalar @$objs;
…		…
814	}	1047	}
815	} else {	1048	} else {
816	aio_unlink $filename;	1049	aio_unlink $filename;
817	aio_unlink "$filename.pst";	1050	aio_unlink "$filename.pst";
818	}	1051	}
819	}	1052	};
		1053
		1054	undef $guard;
820	}	1055	}
821		1056
822	sub object_freezer_as_string {	1057	sub object_freezer_as_string {
823	my ($rdata, $objs) = @_;	1058	my ($rdata, $objs) = @_;
824		1059
…		…
829		1064
830	sub object_thawer_load {	1065	sub object_thawer_load {
831	my ($filename) = @_;	1066	my ($filename) = @_;
832		1067
833	my ($data, $av);	1068	my ($data, $av);
		1069
		1070	my $guard = cf::lock_acquire "io";
834		1071
835	(aio_load $filename, $data) >= 0	1072	(aio_load $filename, $data) >= 0
836	or return;	1073	or return;
837		1074
838	unless (aio_stat "$filename.pst") {	1075	unless (aio_stat "$filename.pst") {
839	(aio_load "$filename.pst", $av) >= 0	1076	(aio_load "$filename.pst", $av) >= 0
840	or return;	1077	or return;
		1078
		1079	undef $guard;
841	$av = eval { (Storable::thaw $av)->{objs} };	1080	$av = eval { (Storable::thaw $av)->{objs} };
842	}	1081	}
843		1082
844	warn sprintf "loading %s (%d)\n",	1083	warn sprintf "loading %s (%d)\n",
845	$filename, length $data, scalar @{$av || []};#d#	1084	$filename, length $data, scalar @{$av || []};
		1085
846	return ($data, $av);	1086	($data, $av)
847	}	1087	}
		1088
		1089	=head2 COMMAND CALLBACKS
		1090
		1091	=over 4
		1092
		1093	=cut
848		1094
849	#############################################################################	1095	#############################################################################
850	# command handling &c	1096	# command handling &c
851		1097
852	=item cf::register_command $name => \&callback($ob,$args);	1098	=item cf::register_command $name => \&callback($ob,$args);
…		…
865	push @{ $COMMAND{$name} }, [$caller, $cb];	1111	push @{ $COMMAND{$name} }, [$caller, $cb];
866	}	1112	}
867		1113
868	=item cf::register_extcmd $name => \&callback($pl,$packet);	1114	=item cf::register_extcmd $name => \&callback($pl,$packet);
869		1115
870	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.
871		1121
872	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
873	called.	1123	called.
874		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
875	=cut	1136	=cut
876		1137
877	sub register_extcmd {	1138	sub register_extcmd {
878	my ($name, $cb) = @_;	1139	my ($name, $cb) = @_;
879		1140
880	$EXTCMD{$name} = $cb;	1141	$EXTCMD{$name} = $cb;
		1142	}
		1143
		1144	sub register_exticmd {
		1145	my ($name, $cb) = @_;
		1146
		1147	$EXTICMD{$name} = $cb;
881	}	1148	}
882		1149
883	cf::player->attach (	1150	cf::player->attach (
884	on_command => sub {	1151	on_command => sub {
885	my ($pl, $name, $params) = @_;	1152	my ($pl, $name, $params) = @_;
…		…
894	cf::override;	1161	cf::override;
895	},	1162	},
896	on_extcmd => sub {	1163	on_extcmd => sub {
897	my ($pl, $buf) = @_;	1164	my ($pl, $buf) = @_;
898		1165
899	my $msg = eval { from_json $buf };	1166	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
900		1167
901	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
902	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1176	if (my $cb = $EXTCMD{$type}) {
903	if (my %reply = $cb->($pl, $msg)) {	1177	@reply = $cb->($pl, @payload);
904	$pl->ext_reply ($msg->{msgid}, %reply);
905	}
906	}	1178	}
		1179
		1180	$pl->ext_reply ($reply, @reply)
		1181	if $reply;
		1182
907	} else {	1183	} else {
908	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1184	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
909	}	1185	}
910		1186
911	cf::override;	1187	cf::override;
912	},	1188	},
913	);	1189	);
914		1190
915	sub load_extension {
916	my ($path) = @_;
917
918	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
919	my $base = $1;
920	my $pkg = $1;
921	$pkg =~ s/[^[:word:]]/_/g;
922	$pkg = "ext::$pkg";
923
924	warn "... loading '$path' into '$pkg'\n";
925
926	open my $fh, "<:utf8", $path
927	or die "$path: $!";
928
929	my $source =
930	"package $pkg; use strict; use utf8;\n"
931	. "#line 1 \"$path\"\n{\n"
932	. (do { local $/; <$fh> })
933	. "\n};\n1";
934
935	unless (eval $source) {
936	my $msg = $@ ? "$path: $@\n"
937	: "extension disabled.\n";
938	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
939	warn $@;
940	warn "mandatory extension failed to load, exiting.\n";
941	exit 1;
942	}
943	die $@;
944	}
945
946	push @EXTS, $pkg;
947	}
948
949	sub load_extensions {	1191	sub load_extensions {
		1192	cf::sync_job {
		1193	my %todo;
		1194
950	for my $ext (<$LIBDIR/*.ext>) {	1195	for my $path (<$LIBDIR/*.ext>) {
951	next unless -r $ext;	1196	next unless -r $path;
952	eval {	1197
953	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;
954	1	1255	}
955	} or warn "$ext not loaded: $@";	1256
		1257	skip:
		1258	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1259	unless $progress;
		1260	}
956	}	1261	};
957	}	1262	}
958		1263
959	#############################################################################	1264	#############################################################################
960		1265
		1266	=back
		1267
961	=head2 CORE EXTENSIONS	1268	=head2 CORE EXTENSIONS
962		1269
963	Functions and methods that extend core crossfire objects.	1270	Functions and methods that extend core crossfire objects.
964		1271
965	=cut	1272	=cut
…		…
969	use Coro::AIO;	1276	use Coro::AIO;
970		1277
971	=head3 cf::player	1278	=head3 cf::player
972		1279
973	=over 4	1280	=over 4
		1281
		1282	=item cf::player::num_playing
		1283
		1284	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1285
		1286	=cut
		1287
		1288	sub num_playing {
		1289	scalar grep
		1290	$_->ob->map
		1291	&& !$_->hidden
		1292	&& !$_->ob->flag (cf::FLAG_WIZ),
		1293	cf::player::list
		1294	}
974		1295
975	=item cf::player::find $login	1296	=item cf::player::find $login
976		1297
977	Returns the given player object, loading it if necessary (might block).	1298	Returns the given player object, loading it if necessary (might block).
978		1299
…		…
1014	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1015	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1016	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1017	aio_unlink +(playerdir $login) . "/$login.pl";	1338	aio_unlink +(playerdir $login) . "/$login.pl";
1018		1339
1019	my $pl = load_pl path $login	1340	my $f = new_from_file cf::object::thawer path $login
1020	or return;	1341	or return;
		1342
		1343	$f->next;
		1344	my $pl = cf::player::load_pl $f
		1345	or return;
		1346	local $cf::PLAYER_LOADING{$login} = $pl;
		1347	$f->resolve_delayed_derefs;
1021	$cf::PLAYER{$login} = $pl	1348	$cf::PLAYER{$login} = $pl
1022	}	1349	}
1023	}	1350	}
1024	}	1351	}
1025		1352
…		…
1035		1362
1036	aio_mkdir playerdir $pl, 0770;	1363	aio_mkdir playerdir $pl, 0770;
1037	$pl->{last_save} = $cf::RUNTIME;	1364	$pl->{last_save} = $cf::RUNTIME;
1038		1365
1039	$pl->save_pl ($path);	1366	$pl->save_pl ($path);
1040	Coro::cede;	1367	cf::cede_to_tick;
1041	}	1368	}
1042		1369
1043	sub new($) {	1370	sub new($) {
1044	my ($login) = @_;	1371	my ($login) = @_;
1045		1372
…		…
1049	$self->{deny_save} = 1;	1376	$self->{deny_save} = 1;
1050		1377
1051	$cf::PLAYER{$login} = $self;	1378	$cf::PLAYER{$login} = $self;
1052		1379
1053	$self	1380	$self
		1381	}
		1382
		1383	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1384
		1385	=cut
		1386
		1387	sub send_msg {
		1388	my $ns = shift->ns
		1389	or return;
		1390	$ns->send_msg (@_);
1054	}	1391	}
1055		1392
1056	=item $pl->quit_character	1393	=item $pl->quit_character
1057		1394
1058	Nukes the player without looking back. If logged in, the connection will	1395	Nukes the player without looking back. If logged in, the connection will
…		…
1113	or return [];	1450	or return [];
1114		1451
1115	my @logins;	1452	my @logins;
1116		1453
1117	for my $login (@$dirs) {	1454	for my $login (@$dirs) {
		1455	my $path = path $login;
		1456
		1457	# a .pst is a dead give-away for a valid player
		1458	unless (-e "$path.pst") {
1118	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1459	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1119	aio_read $fh, 0, 512, my $buf, 0 or next;	1460	aio_read $fh, 0, 512, my $buf, 0 or next;
1120	$buf !~ /^password -------------$/m or next; # official not-valid tag	1461	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1462	}
1121		1463
1122	utf8::decode $login;	1464	utf8::decode $login;
1123	push @logins, $login;	1465	push @logins, $login;
1124	}	1466	}
1125		1467
…		…
1152	}	1494	}
1153		1495
1154	\@paths	1496	\@paths
1155	}	1497	}
1156		1498
		1499	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1500
		1501	Expand crossfire pod fragments into protocol xml.
		1502
		1503	=cut
		1504
		1505	sub expand_cfpod {
		1506	((my $self), (local $_)) = @_;
		1507
		1508	# escape & and <
		1509	s/&/&amp;/g;
		1510	s/(?<![BIUGHT])</&lt;/g;
		1511
		1512	# this is buggy, it needs to properly take care of nested <'s
		1513
		1514	1 while
		1515	# replace B<>, I<>, U<> etc.
		1516	s/B<([^\>]*)>/<b>$1<\/b>/
		1517	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1518	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1519	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1520	# replace G<male|female> tags
		1521	|| s{G<([^>|]*)\|([^>]*)>}{
		1522	$self->gender ? $2 : $1
		1523	}ge
		1524	# replace H<hint text>
		1525	|| s{H<([^\>]*)>}
		1526	{
		1527	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1528	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1529	"")
		1530	[$self->{hintmode}]
		1531	}ge;
		1532
		1533	# create single paragraphs (very hackish)
		1534	s/(?<=\S)\n(?=\w)/ /g;
		1535
		1536	# compress some whitespace
		1537	s/\s+\n/\n/g; # ws line-ends
		1538	s/\n\n+/\n/g; # double lines
		1539	s/^\n+//; # beginning lines
		1540	s/\n+$//; # ending lines
		1541
		1542	$_
		1543	}
		1544
		1545	sub hintmode {
		1546	$_[0]{hintmode} = $_[1] if @_ > 1;
		1547	$_[0]{hintmode}
		1548	}
		1549
1157	=item $player->ext_reply ($msgid, %msg)	1550	=item $player->ext_reply ($msgid, @msg)
1158		1551
1159	Sends an ext reply to the player.	1552	Sends an ext reply to the player.
1160		1553
1161	=cut	1554	=cut
1162		1555
1163	sub ext_reply($$%) {	1556	sub ext_reply($$@) {
1164	my ($self, $id, %msg) = @_;	1557	my ($self, $id, @msg) = @_;
1165		1558
1166	$msg{msgid} = $id;	1559	$self->ns->ext_reply ($id, @msg)
1167
1168	$self->send ("ext " . cf::to_json \%msg);
1169	}	1560	}
1170		1561
1171	=item $player->ext_event ($type, %msg)	1562	=item $player->ext_msg ($type, @msg)
1172		1563
1173	Sends an ext event to the client.	1564	Sends an ext event to the client.
1174		1565
1175	=cut	1566	=cut
1176		1567
1177	sub ext_event($$%) {	1568	sub ext_msg($$@) {
1178	my ($self, $type, %msg) = @_;	1569	my ($self, $type, @msg) = @_;
1179		1570
1180	$self->ns->ext_event ($type, %msg);	1571	$self->ns->ext_msg ($type, @msg);
1181	}	1572	}
1182		1573
1183	=head3 cf::region	1574	=head3 cf::region
1184		1575
1185	=over 4	1576	=over 4
…		…
1188		1579
1189	package cf::region;	1580	package cf::region;
1190		1581
1191	=item cf::region::find_by_path $path	1582	=item cf::region::find_by_path $path
1192		1583
1193	Tries to decuce the probable region for a map knowing only its path.	1584	Tries to decuce the likely region for a map knowing only its path.
1194		1585
1195	=cut	1586	=cut
1196		1587
1197	sub find_by_path($) {	1588	sub find_by_path($) {
1198	my ($path) = @_;	1589	my ($path) = @_;
1199		1590
1200	my ($match, $specificity);	1591	my ($match, $specificity);
1201		1592
1202	for my $region (list) {	1593	for my $region (list) {
1203	if ($region->match && $path =~ $region->match) {	1594	if ($region->{match} && $path =~ $region->{match}) {
1204	($match, $specificity) = ($region, $region->specificity)	1595	($match, $specificity) = ($region, $region->specificity)
1205	if $region->specificity > $specificity;	1596	if $region->specificity > $specificity;
1206	}	1597	}
1207	}	1598	}
1208		1599
…		…
1272	my ($self, $merge) = @_;	1663	my ($self, $merge) = @_;
1273		1664
1274	# we have to keep some variables in memory intact	1665	# we have to keep some variables in memory intact
1275	local $self->{path};	1666	local $self->{path};
1276	local $self->{load_path};	1667	local $self->{load_path};
1277	local $self->{deny_save};
1278	local $self->{deny_reset};
1279		1668
1280	$self->SUPER::thawer_merge ($merge);	1669	$self->SUPER::thawer_merge ($merge);
1281	}	1670	}
1282		1671
1283	sub normalise {	1672	sub normalise {
…		…
1330	$self->init; # pass $1 etc.	1719	$self->init; # pass $1 etc.
1331	return $self;	1720	return $self;
1332	}	1721	}
1333	}	1722	}
1334		1723
1335	Carp::carp "unable to resolve path '$path' (base '$base').";	1724	Carp::cluck "unable to resolve path '$path' (base '$base').";
1336	()	1725	()
1337	}	1726	}
1338		1727
1339	sub init {	1728	sub init {
1340	my ($self) = @_;	1729	my ($self) = @_;
…		…
1383		1772
1384	$_->change_map_light ($change)	1773	$_->change_map_light ($change)
1385	for grep $_->outdoor, values %cf::MAP;	1774	for grep $_->outdoor, values %cf::MAP;
1386	}	1775	}
1387		1776
		1777	sub decay_objects {
		1778	my ($self) = @_;
		1779
		1780	return if $self->{deny_reset};
		1781
		1782	$self->do_decay_objects;
		1783	}
		1784
1388	sub unlink_save {	1785	sub unlink_save {
1389	my ($self) = @_;	1786	my ($self) = @_;
1390		1787
1391	utf8::encode (my $save = $self->save_path);	1788	utf8::encode (my $save = $self->save_path);
1392	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1789	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1395		1792
1396	sub load_header_from($) {	1793	sub load_header_from($) {
1397	my ($self, $path) = @_;	1794	my ($self, $path) = @_;
1398		1795
1399	utf8::encode $path;	1796	utf8::encode $path;
1400	#aio_open $path, O_RDONLY, 0	1797	my $f = new_from_file cf::object::thawer $path
1401	# or return;
1402
1403	$self->_load_header ($path)
1404	or return;	1798	or return;
		1799
		1800	$self->_load_header ($f)
		1801	or return;
		1802
		1803	local $MAP_LOADING{$self->{path}} = $self;
		1804	$f->resolve_delayed_derefs;
1405		1805
1406	$self->{load_path} = $path;	1806	$self->{load_path} = $path;
1407		1807
1408	1	1808	1
1409	}	1809	}
…		…
1448	$self->load_header_orig	1848	$self->load_header_orig
1449	or return;	1849	or return;
1450	$self->prepare_orig;	1850	$self->prepare_orig;
1451	}	1851	}
1452		1852
		1853	$self->{deny_reset} = 1
		1854	if $self->no_reset;
		1855
1453	$self->default_region (cf::region::find_by_path $self->{path})	1856	$self->default_region (cf::region::find_by_path $self->{path})
1454	unless $self->default_region;	1857	unless $self->default_region;
1455		1858
1456	1	1859	1
1457	}	1860	}
…		…
1460	sub find {	1863	sub find {
1461	my ($path, $origin) = @_;	1864	my ($path, $origin) = @_;
1462		1865
1463	$path = normalise $path, $origin && $origin->path;	1866	$path = normalise $path, $origin && $origin->path;
1464		1867
		1868	cf::lock_wait "map_data:$path";#d#remove
1465	cf::lock_wait "map_find:$path";	1869	cf::lock_wait "map_find:$path";
1466		1870
1467	$cf::MAP{$path} || do {	1871	$cf::MAP{$path} || do {
1468	my $guard = cf::lock_acquire "map_find:$path";	1872	my $guard1 = cf::lock_acquire "map_find:$path";
		1873	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1874
1469	my $map = new_from_path cf::map $path	1875	my $map = new_from_path cf::map $path
1470	or return;	1876	or return;
1471		1877
1472	$map->{last_save} = $cf::RUNTIME;	1878	$map->{last_save} = $cf::RUNTIME;
1473		1879
1474	$map->load_header	1880	$map->load_header
1475	or return;	1881	or return;
1476		1882
1477	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1883	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1478	# doing this can freeze the server in a sync job, obviously	1884	# doing this can freeze the server in a sync job, obviously
1479	#$cf::WAIT_FOR_TICK->wait;	1885	#$cf::WAIT_FOR_TICK->wait;
		1886	undef $guard1;
		1887	undef $guard2;
1480	$map->reset;	1888	$map->reset;
1481	undef $guard;
1482	return find $path;	1889	return find $path;
1483	}	1890	}
1484		1891
1485	$cf::MAP{$path} = $map	1892	$cf::MAP{$path} = $map
1486	}	1893	}
…		…
1495	local $self->{deny_reset} = 1; # loading can take a long time	1902	local $self->{deny_reset} = 1; # loading can take a long time
1496		1903
1497	my $path = $self->{path};	1904	my $path = $self->{path};
1498		1905
1499	{	1906	{
1500	my $guard = cf::lock_acquire "map_load:$path";	1907	my $guard = cf::lock_acquire "map_data:$path";
1501		1908
		1909	return unless $self->valid;
1502	return if $self->in_memory != cf::MAP_SWAPPED;	1910	return unless $self->in_memory == cf::MAP_SWAPPED;
1503		1911
1504	$self->in_memory (cf::MAP_LOADING);	1912	$self->in_memory (cf::MAP_LOADING);
1505		1913
1506	$self->alloc;	1914	$self->alloc;
1507		1915
1508	$self->pre_load;	1916	$self->pre_load;
1509	Coro::cede;	1917	cf::cede_to_tick;
1510		1918
		1919	my $f = new_from_file cf::object::thawer $self->{load_path};
		1920	$f->skip_block;
1511	$self->_load_objects ($self->{load_path}, 1)	1921	$self->_load_objects ($f)
1512	or return;	1922	or return;
1513		1923
1514	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1924	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1515	if delete $self->{load_original};	1925	if delete $self->{load_original};
1516		1926
1517	if (my $uniq = $self->uniq_path) {	1927	if (my $uniq = $self->uniq_path) {
1518	utf8::encode $uniq;	1928	utf8::encode $uniq;
1519	if (aio_open $uniq, O_RDONLY, 0) {	1929	unless (aio_stat $uniq) {
		1930	if (my $f = new_from_file cf::object::thawer $uniq) {
1520	$self->clear_unique_items;	1931	$self->clear_unique_items;
1521	$self->_load_objects ($uniq, 0);	1932	$self->_load_objects ($f);
		1933	$f->resolve_delayed_derefs;
		1934	}
1522	}	1935	}
1523	}	1936	}
1524		1937
1525	Coro::cede;	1938	$f->resolve_delayed_derefs;
		1939
		1940	cf::cede_to_tick;
1526	# now do the right thing for maps	1941	# now do the right thing for maps
1527	$self->link_multipart_objects;	1942	$self->link_multipart_objects;
1528	$self->difficulty ($self->estimate_difficulty)	1943	$self->difficulty ($self->estimate_difficulty)
1529	unless $self->difficulty;	1944	unless $self->difficulty;
1530	Coro::cede;	1945	cf::cede_to_tick;
1531		1946
1532	unless ($self->{deny_activate}) {	1947	unless ($self->{deny_activate}) {
1533	$self->decay_objects;	1948	$self->decay_objects;
1534	$self->fix_auto_apply;	1949	$self->fix_auto_apply;
1535	$self->update_buttons;	1950	$self->update_buttons;
1536	Coro::cede;	1951	cf::cede_to_tick;
1537	$self->set_darkness_map;	1952	$self->set_darkness_map;
1538	Coro::cede;	1953	cf::cede_to_tick;
1539	$self->activate;	1954	$self->activate;
1540	}	1955	}
		1956
		1957	$self->{last_save} = $cf::RUNTIME;
		1958	$self->last_access ($cf::RUNTIME);
1541		1959
1542	$self->in_memory (cf::MAP_IN_MEMORY);	1960	$self->in_memory (cf::MAP_IN_MEMORY);
1543	}	1961	}
1544		1962
1545	$self->post_load;	1963	$self->post_load;
…		…
1549	my ($self, $ob) = @_;	1967	my ($self, $ob) = @_;
1550		1968
1551	return find "~" . $ob->name . "/" . $self->{path}	1969	return find "~" . $ob->name . "/" . $self->{path}
1552	if $self->per_player;	1970	if $self->per_player;
1553		1971
		1972	# return find "?party/" . $ob->name . "/" . $self->{path}
		1973	# if $self->per_party;
		1974
1554	$self	1975	$self
1555	}	1976	}
1556		1977
1557	# find and load all maps in the 3x3 area around a map	1978	# find and load all maps in the 3x3 area around a map
1558	sub load_diag {	1979	sub load_neighbours {
1559	my ($map) = @_;	1980	my ($map) = @_;
1560		1981
1561	my @diag; # diagonal neighbours	1982	my @neigh; # diagonal neighbours
1562		1983
1563	for (0 .. 3) {	1984	for (0 .. 3) {
1564	my $neigh = $map->tile_path ($_)	1985	my $neigh = $map->tile_path ($_)
1565	or next;	1986	or next;
1566	$neigh = find $neigh, $map	1987	$neigh = find $neigh, $map
1567	or next;	1988	or next;
1568	$neigh->load;	1989	$neigh->load;
1569		1990
		1991	push @neigh,
1570	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1992	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1571	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1993	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1572	}	1994	}
1573		1995
1574	for (@diag) {	1996	for (grep defined $_->[0], @neigh) {
		1997	my ($path, $origin) = @$_;
1575	my $neigh = find @$_	1998	my $neigh = find $path, $origin
1576	or next;	1999	or next;
1577	$neigh->load;	2000	$neigh->load;
1578	}	2001	}
1579	}	2002	}
1580		2003
…		…
1585	}	2008	}
1586		2009
1587	sub do_load_sync {	2010	sub do_load_sync {
1588	my ($map) = @_;	2011	my ($map) = @_;
1589		2012
		2013	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2014	if $Coro::current == $Coro::main;
		2015
1590	cf::sync_job { $map->load };	2016	cf::sync_job { $map->load };
1591	}	2017	}
1592		2018
1593	our %MAP_PREFETCH;	2019	our %MAP_PREFETCH;
1594	our $MAP_PREFETCHER = undef;	2020	our $MAP_PREFETCHER = undef;
1595		2021
1596	sub find_async {	2022	sub find_async {
1597	my ($path, $origin) = @_;	2023	my ($path, $origin, $load) = @_;
1598		2024
1599	$path = normalise $path, $origin && $origin->{path};	2025	$path = normalise $path, $origin && $origin->{path};
1600		2026
1601	if (my $map = $cf::MAP{$path}) {	2027	if (my $map = $cf::MAP{$path}) {
1602	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2028	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1603	}	2029	}
1604		2030
1605	undef $MAP_PREFETCH{$path};	2031	$MAP_PREFETCH{$path} |= $load;
		2032
1606	$MAP_PREFETCHER ||= cf::async {	2033	$MAP_PREFETCHER ||= cf::async {
1607	while (%MAP_PREFETCH) {	2034	while (%MAP_PREFETCH) {
1608	for my $path (keys %MAP_PREFETCH) {	2035	while (my ($k, $v) = each %MAP_PREFETCH) {
1609	my $map = find $path	2036	if (my $map = find $k) {
1610	or next;
1611	$map->load;	2037	$map->load if $v;
		2038	}
1612		2039
1613	delete $MAP_PREFETCH{$path};	2040	delete $MAP_PREFETCH{$k};
1614	}	2041	}
1615	}	2042	}
1616	undef $MAP_PREFETCHER;	2043	undef $MAP_PREFETCHER;
1617	};	2044	};
1618	$MAP_PREFETCHER->prio (6);	2045	$MAP_PREFETCHER->prio (6);
…		…
1621	}	2048	}
1622		2049
1623	sub save {	2050	sub save {
1624	my ($self) = @_;	2051	my ($self) = @_;
1625		2052
1626	my $lock = cf::lock_acquire "map_data:" . $self->path;	2053	my $lock = cf::lock_acquire "map_data:$self->{path}";
1627		2054
1628	$self->{last_save} = $cf::RUNTIME;	2055	$self->{last_save} = $cf::RUNTIME;
1629		2056
1630	return unless $self->dirty;	2057	return unless $self->dirty;
1631		2058
…		…
1654	my ($self) = @_;	2081	my ($self) = @_;
1655		2082
1656	# save first because save cedes	2083	# save first because save cedes
1657	$self->save;	2084	$self->save;
1658		2085
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;	2086	my $lock = cf::lock_acquire "map_data:$self->{path}";
1660		2087
1661	return if $self->players;	2088	return if $self->players;
1662	return if $self->in_memory != cf::MAP_IN_MEMORY;	2089	return if $self->in_memory != cf::MAP_IN_MEMORY;
1663	return if $self->{deny_save};	2090	return if $self->{deny_save};
1664		2091
		2092	$self->in_memory (cf::MAP_SWAPPED);
		2093
		2094	$self->deactivate;
		2095	$_->clear_links_to ($self) for values %cf::MAP;
1665	$self->clear;	2096	$self->clear;
1666	$self->in_memory (cf::MAP_SWAPPED);
1667	}	2097	}
1668		2098
1669	sub reset_at {	2099	sub reset_at {
1670	my ($self) = @_;	2100	my ($self) = @_;
1671		2101
1672	# TODO: safety, remove and allow resettable per-player maps	2102	# TODO: safety, remove and allow resettable per-player maps
1673	return 1e99 if $self->isa ("ext::map_per_player");#d#
1674	return 1e99 if $self->{deny_reset};	2103	return 1e99 if $self->{deny_reset};
1675		2104
1676	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2105	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1677	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2106	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1678		2107
…		…
1689	my ($self) = @_;	2118	my ($self) = @_;
1690		2119
1691	my $lock = cf::lock_acquire "map_data:$self->{path}";	2120	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2121
1693	return if $self->players;	2122	return if $self->players;
1694	return if $self->isa ("ext::map_per_player");#d#
1695		2123
1696	warn "resetting map ", $self->path;#d#	2124	warn "resetting map ", $self->path;
1697		2125
1698	$self->in_memory (cf::MAP_SWAPPED);	2126	$self->in_memory (cf::MAP_SWAPPED);
1699		2127
1700	# need to save uniques path	2128	# need to save uniques path
1701	unless ($self->{deny_save}) {	2129	unless ($self->{deny_save}) {
…		…
1705	if $uniq;	2133	if $uniq;
1706	}	2134	}
1707		2135
1708	delete $cf::MAP{$self->path};	2136	delete $cf::MAP{$self->path};
1709		2137
		2138	$self->deactivate;
		2139	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2140	$self->clear;
1711
1712	$_->clear_links_to ($self) for values %cf::MAP;
1713		2141
1714	$self->unlink_save;	2142	$self->unlink_save;
1715	$self->destroy;	2143	$self->destroy;
1716	}	2144	}
1717		2145
1718	my $nuke_counter = "aaaa";	2146	my $nuke_counter = "aaaa";
1719		2147
1720	sub nuke {	2148	sub nuke {
1721	my ($self) = @_;	2149	my ($self) = @_;
1722		2150
		2151	{
		2152	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2153
1723	delete $cf::MAP{$self->path};	2154	delete $cf::MAP{$self->path};
1724		2155
1725	$self->unlink_save;	2156	$self->unlink_save;
1726		2157
1727	bless $self, "cf::map";	2158	bless $self, "cf::map";
1728	delete $self->{deny_reset};	2159	delete $self->{deny_reset};
1729	$self->{deny_save} = 1;	2160	$self->{deny_save} = 1;
1730	$self->reset_timeout (1);	2161	$self->reset_timeout (1);
1731	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2162	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1732		2163
1733	$cf::MAP{$self->path} = $self;	2164	$cf::MAP{$self->path} = $self;
		2165	}
1734		2166
1735	$self->reset; # polite request, might not happen	2167	$self->reset; # polite request, might not happen
		2168	}
		2169
		2170	=item $maps = cf::map::tmp_maps
		2171
		2172	Returns an arrayref with all map paths of currently instantiated and saved
		2173	maps. May block.
		2174
		2175	=cut
		2176
		2177	sub tmp_maps() {
		2178	[
		2179	map {
		2180	utf8::decode $_;
		2181	/\.map$/
		2182	? normalise $_
		2183	: ()
		2184	} @{ aio_readdir $TMPDIR or [] }
		2185	]
		2186	}
		2187
		2188	=item $maps = cf::map::random_maps
		2189
		2190	Returns an arrayref with all map paths of currently instantiated and saved
		2191	random maps. May block.
		2192
		2193	=cut
		2194
		2195	sub random_maps() {
		2196	[
		2197	map {
		2198	utf8::decode $_;
		2199	/\.map$/
		2200	? normalise "?random/$_"
		2201	: ()
		2202	} @{ aio_readdir $RANDOMDIR or [] }
		2203	]
1736	}	2204	}
1737		2205
1738	=item cf::map::unique_maps	2206	=item cf::map::unique_maps
1739		2207
1740	Returns an arrayref of paths of all shared maps that have	2208	Returns an arrayref of paths of all shared maps that have
1741	instantiated unique items. May block.	2209	instantiated unique items. May block.
1742		2210
1743	=cut	2211	=cut
1744		2212
1745	sub unique_maps() {	2213	sub unique_maps() {
1746	my $files = aio_readdir $UNIQUEDIR	2214	[
1747	or return;	2215	map {
1748
1749	my @paths;
1750
1751	for (@$files) {
1752	utf8::decode $_;	2216	utf8::decode $_;
1753	next if /\.pst$/;	2217	/\.map$/
1754	next unless /^$PATH_SEP/o;	2218	? normalise $_
1755		2219	: ()
1756	push @paths, cf::map::normalise $_;	2220	} @{ aio_readdir $UNIQUEDIR or [] }
1757	}	2221	]
1758
1759	\@paths
1760	}	2222	}
1761		2223
1762	package cf;	2224	package cf;
1763		2225
1764	=back	2226	=back
…		…
1782	map { $_, inv_recursive_ $_->inv } @_	2244	map { $_, inv_recursive_ $_->inv } @_
1783	}	2245	}
1784		2246
1785	sub inv_recursive {	2247	sub inv_recursive {
1786	inv_recursive_ inv $_[0]	2248	inv_recursive_ inv $_[0]
		2249	}
		2250
		2251	=item $ref = $ob->ref
		2252
		2253	creates and returns a persistent reference to an objetc that can be stored as a string.
		2254
		2255	=item $ob = cf::object::deref ($refstring)
		2256
		2257	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2258	even if the object actually exists. May block.
		2259
		2260	=cut
		2261
		2262	sub deref {
		2263	my ($ref) = @_;
		2264
		2265	# temporary compatibility#TODO#remove
		2266	$ref =~ s{^<}{player/<};
		2267
		2268	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2269	my ($uuid, $name) = ($1, $2);
		2270	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2271	or return;
		2272	$pl->ob->uuid eq $uuid
		2273	or return;
		2274
		2275	$pl->ob
		2276	} else {
		2277	warn "$ref: cannot resolve object reference\n";
		2278	undef
		2279	}
1787	}	2280	}
1788		2281
1789	package cf;	2282	package cf;
1790		2283
1791	=back	2284	=back
…		…
1810		2303
1811	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2304	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1812		2305
1813	if ($self->{record_replies}) {	2306	if ($self->{record_replies}) {
1814	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2307	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2308
1815	} else {	2309	} else {
		2310	my $pl = $self->contr;
		2311
		2312	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2313	my $dialog = $pl->{npc_dialog};
		2314	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2315
		2316	} else {
1816	$msg = $npc->name . " says: $msg" if $npc;	2317	$msg = $npc->name . " says: $msg" if $npc;
1817	$self->message ($msg, $flags);	2318	$self->message ($msg, $flags);
		2319	}
1818	}	2320	}
		2321	}
		2322
		2323	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2324
		2325	=cut
		2326
		2327	sub cf::object::send_msg {
		2328	my $pl = shift->contr
		2329	or return;
		2330	$pl->send_msg (@_);
1819	}	2331	}
1820		2332
1821	=item $player_object->may ("access")	2333	=item $player_object->may ("access")
1822		2334
1823	Returns wether the given player is authorized to access resource "access"	2335	Returns wether the given player is authorized to access resource "access"
…		…
1870	$self->deactivate_recursive;	2382	$self->deactivate_recursive;
1871		2383
1872	return if UNIVERSAL::isa $self->map, "ext::map_link";	2384	return if UNIVERSAL::isa $self->map, "ext::map_link";
1873		2385
1874	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2386	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1875	if $self->map;	2387	if $self->map && $self->map->{path} ne "{link}";
1876		2388
1877	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2389	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1878	}	2390	}
1879		2391
1880	sub cf::object::player::leave_link {	2392	sub cf::object::player::leave_link {
1881	my ($self, $map, $x, $y) = @_;	2393	my ($self, $map, $x, $y) = @_;
		2394
		2395	return unless $self->contr->active;
1882		2396
1883	my $link_pos = delete $self->{_link_pos};	2397	my $link_pos = delete $self->{_link_pos};
1884		2398
1885	unless ($map) {	2399	unless ($map) {
1886	# restore original map position	2400	# restore original map position
…		…
1900	# use -1 or undef as default coordinates, not 0, 0	2414	# use -1 or undef as default coordinates, not 0, 0
1901	($x, $y) = ($map->enter_x, $map->enter_y)	2415	($x, $y) = ($map->enter_x, $map->enter_y)
1902	if $x <=0 && $y <= 0;	2416	if $x <=0 && $y <= 0;
1903		2417
1904	$map->load;	2418	$map->load;
1905	$map->load_diag;	2419	$map->load_neighbours;
1906		2420
1907	return unless $self->contr->active;	2421	return unless $self->contr->active;
1908	$self->activate_recursive;	2422	$self->activate_recursive;
1909		2423
1910	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2424	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1911	$self->enter_map ($map, $x, $y);	2425	$self->enter_map ($map, $x, $y);
1912	}	2426	}
1913		2427
1914	cf::player->attach (	2428	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1915	on_logout => sub {
1916	my ($pl) = @_;
1917		2429
1918	# abort map switching before logout	2430	Moves the player to the given map-path and coordinates by first freezing
1919	if ($pl->ob->{_link_pos}) {	2431	her, loading and preparing them map, calling the provided $check callback
1920	cf::sync_job {	2432	that has to return the map if sucecssful, and then unfreezes the player on
1921	$pl->ob->leave_link	2433	the new (success) or old (failed) map position. In either case, $done will
1922	};	2434	be called at the end of this process.
1923	}
1924	},
1925	on_login => sub {
1926	my ($pl) = @_;
1927		2435
1928	# try to abort aborted map switching on player login :)
1929	# should happen only on crashes
1930	if ($pl->ob->{_link_pos}) {
1931	$pl->ob->enter_link;
1932	(async {
1933	$pl->ob->reply (undef,
1934	"There was an internal problem at your last logout, "
1935	. "the server will try to bring you to your intended destination in a second.",
1936	cf::NDI_RED);
1937	# we need this sleep as the login has a concurrent enter_exit running
1938	# and this sleep increases chances of the player not ending up in scorn
1939	Coro::Timer::sleep 1;
1940	$pl->ob->leave_link;
1941	})->prio (2);
1942	}
1943	},
1944	);
1945
1946	=item $player_object->goto ($path, $x, $y)
1947
1948	=cut	2436	=cut
		2437
		2438	our $GOTOGEN;
1949		2439
1950	sub cf::object::player::goto {	2440	sub cf::object::player::goto {
1951	my ($self, $path, $x, $y) = @_;	2441	my ($self, $path, $x, $y, $check, $done) = @_;
		2442
		2443	# do generation counting so two concurrent goto's will be executed in-order
		2444	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1952		2445
1953	$self->enter_link;	2446	$self->enter_link;
1954		2447
1955	(async {	2448	(async {
1956	my $map = eval {	2449	my $map = eval {
1957	my $map = cf::map::find $path;	2450	my $map = cf::map::find $path;
		2451
		2452	if ($map) {
1958	$map = $map->customise_for ($self) if $map;	2453	$map = $map->customise_for ($self);
		2454	$map = $check->($map) if $check && $map;
		2455	} else {
		2456	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2457	}
		2458
1959	$map	2459	$map
		2460	};
		2461
		2462	if ($@) {
		2463	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2464	LOG llevError | logBacktrace, Carp::longmess $@;
1960	} or	2465	}
1961	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1962		2466
		2467	if ($gen == $self->{_goto_generation}) {
		2468	delete $self->{_goto_generation};
1963	$self->leave_link ($map, $x, $y);	2469	$self->leave_link ($map, $x, $y);
		2470	}
		2471
		2472	$done->() if $done;
1964	})->prio (1);	2473	})->prio (1);
1965	}	2474	}
1966		2475
1967	=item $player_object->enter_exit ($exit_object)	2476	=item $player_object->enter_exit ($exit_object)
1968		2477
…		…
2037	my $hp = $exit->stats->hp;	2546	my $hp = $exit->stats->hp;
2038	my $sp = $exit->stats->sp;	2547	my $sp = $exit->stats->sp;
2039		2548
2040	$self->enter_link;	2549	$self->enter_link;
2041		2550
		2551	# if exit is damned, update players death & WoR home-position
		2552	$self->contr->savebed ($slaying, $hp, $sp)
		2553	if $exit->flag (FLAG_DAMNED);
		2554
2042	(async {	2555	(async {
2043	$self->deactivate_recursive; # just to be sure	2556	$self->deactivate_recursive; # just to be sure
2044	unless (eval {	2557	unless (eval {
2045	$self->goto ($slaying, $hp, $sp);	2558	$self->goto ($slaying, $hp, $sp);
2046		2559
…		…
2073		2586
2074	utf8::encode $text;	2587	utf8::encode $text;
2075	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2588	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2076	}	2589	}
2077		2590
		2591	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2592
		2593	Send a drawinfo or msg packet to the client, formatting the msg for the
		2594	client if neccessary. C<$type> should be a string identifying the type of
		2595	the message, with C<log> being the default. If C<$color> is negative, suppress
		2596	the message unless the client supports the msg packet.
		2597
		2598	=cut
		2599
		2600	our %CHANNEL = (
		2601	"c/identify" => {
		2602	id => "identify",
		2603	title => "Identify",
		2604	reply => undef,
		2605	tooltip => "Items recently identified",
		2606	},
		2607	"c/examine" => {
		2608	id => "examine",
		2609	title => "Examine",
		2610	reply => undef,
		2611	tooltip => "Signs and other items you examined",
		2612	},
		2613	);
		2614
		2615	sub cf::client::send_msg {
		2616	my ($self, $channel, $msg, $color, @extra) = @_;
		2617
		2618	$msg = $self->pl->expand_cfpod ($msg);
		2619
		2620	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2621
		2622	# check predefined channels, for the benefit of C
		2623	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2624
		2625	if (ref $channel) {
		2626	# send meta info to client, if not yet sent
		2627	unless (exists $self->{channel}{$channel->{id}}) {
		2628	$self->{channel}{$channel->{id}} = $channel;
		2629	$self->ext_msg (channel_info => $channel)
		2630	if $self->can_msg;
		2631	}
		2632
		2633	$channel = $channel->{id};
		2634	}
		2635
		2636	return unless @extra || length $msg;
		2637
		2638	if ($self->can_msg) {
		2639	# default colour, mask it out
		2640	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2641	if $color & cf::NDI_DEF;
		2642
		2643	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2644	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2645	} else {
		2646	if ($color >= 0) {
		2647	# replace some tags by gcfclient-compatible ones
		2648	for ($msg) {
		2649	1 while
		2650	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2651	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2652	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2653	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2654	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2655	}
		2656
		2657	$color &= cf::NDI_COLOR_MASK;
		2658
		2659	utf8::encode $msg;
		2660
		2661	if (0 && $msg =~ /\[/) {
		2662	# COMMAND/INFO
		2663	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2664	} else {
		2665	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2666	$self->send_packet ("drawinfo $color $msg")
		2667	}
		2668	}
		2669	}
		2670	}
		2671
2078	=item $client->ext_event ($type, %msg)	2672	=item $client->ext_msg ($type, @msg)
2079		2673
2080	Sends an exti event to the client.	2674	Sends an ext event to the client.
2081		2675
2082	=cut	2676	=cut
2083		2677
2084	sub cf::client::ext_event($$%) {	2678	sub cf::client::ext_msg($$@) {
2085	my ($self, $type, %msg) = @_;	2679	my ($self, $type, @msg) = @_;
2086		2680
		2681	if ($self->extcmd == 2) {
		2682	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2683	} elsif ($self->extcmd == 1) { # TODO: remove
2087	$msg{msgtype} = "event_$type";	2684	push @msg, msgtype => "event_$type";
2088	$self->send_packet ("ext " . cf::to_json \%msg);	2685	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2686	}
		2687	}
		2688
		2689	=item $client->ext_reply ($msgid, @msg)
		2690
		2691	Sends an ext reply to the client.
		2692
		2693	=cut
		2694
		2695	sub cf::client::ext_reply($$@) {
		2696	my ($self, $id, @msg) = @_;
		2697
		2698	if ($self->extcmd == 2) {
		2699	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2700	} elsif ($self->extcmd == 1) {
		2701	#TODO: version 1, remove
		2702	unshift @msg, msgtype => "reply", msgid => $id;
		2703	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2704	}
2089	}	2705	}
2090		2706
2091	=item $success = $client->query ($flags, "text", \&cb)	2707	=item $success = $client->query ($flags, "text", \&cb)
2092		2708
2093	Queues a query to the client, calling the given callback with	2709	Queues a query to the client, calling the given callback with
2094	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2710	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2095	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2711	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2096		2712
2097	Queries can fail, so check the return code. Or don't, as queries will become	2713	Queries can fail, so check the return code. Or don't, as queries will
2098	reliable at some point in the future.	2714	become reliable at some point in the future.
2099		2715
2100	=cut	2716	=cut
2101		2717
2102	sub cf::client::query {	2718	sub cf::client::query {
2103	my ($self, $flags, $text, $cb) = @_;	2719	my ($self, $flags, $text, $cb) = @_;
…		…
2111	utf8::encode $text;	2727	utf8::encode $text;
2112	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2728	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2113		2729
2114	$self->send_packet ($self->{query_queue}[0][0])	2730	$self->send_packet ($self->{query_queue}[0][0])
2115	if @{ $self->{query_queue} } == 1;	2731	if @{ $self->{query_queue} } == 1;
		2732
		2733	1
2116	}	2734	}
2117		2735
2118	cf::client->attach (	2736	cf::client->attach (
		2737	on_connect => sub {
		2738	my ($ns) = @_;
		2739
		2740	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2741	},
2119	on_reply => sub {	2742	on_reply => sub {
2120	my ($ns, $msg) = @_;	2743	my ($ns, $msg) = @_;
2121		2744
2122	# this weird shuffling is so that direct followup queries	2745	# this weird shuffling is so that direct followup queries
2123	# get handled first	2746	# get handled first
…		…
2135	} else {	2758	} else {
2136	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2759	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2137	}	2760	}
2138	}	2761	}
2139	},	2762	},
		2763	on_exticmd => sub {
		2764	my ($ns, $buf) = @_;
		2765
		2766	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2767
		2768	if (ref $msg) {
		2769	my ($type, $reply, @payload) =
		2770	"ARRAY" eq ref $msg
		2771	? @$msg
		2772	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2773
		2774	my @reply;
		2775
		2776	if (my $cb = $EXTICMD{$type}) {
		2777	@reply = $cb->($ns, @payload);
		2778	}
		2779
		2780	$ns->ext_reply ($reply, @reply)
		2781	if $reply;
		2782
		2783	} else {
		2784	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2785	}
		2786
		2787	cf::override;
		2788	},
2140	);	2789	);
2141		2790
2142	=item $client->async (\&cb)	2791	=item $client->async (\&cb)
2143		2792
2144	Create a new coroutine, running the specified callback. The coroutine will	2793	Create a new coroutine, running the specified callback. The coroutine will
…		…
2185	our $safe = new Safe "safe";	2834	our $safe = new Safe "safe";
2186	our $safe_hole = new Safe::Hole;	2835	our $safe_hole = new Safe::Hole;
2187		2836
2188	$SIG{FPE} = 'IGNORE';	2837	$SIG{FPE} = 'IGNORE';
2189		2838
2190	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2839	$safe->permit_only (Opcode::opset qw(
		2840	:base_core :base_mem :base_orig :base_math
		2841	grepstart grepwhile mapstart mapwhile
		2842	sort time
		2843	));
2191		2844
2192	# here we export the classes and methods available to script code	2845	# here we export the classes and methods available to script code
2193		2846
2194	=pod	2847	=pod
2195		2848
2196	The following functions and methods are available within a safe environment:	2849	The following functions and methods are available within a safe environment:
2197		2850
2198	cf::object contr pay_amount pay_player map	2851	cf::object
		2852	contr pay_amount pay_player map x y force_find force_add
		2853	insert remove name archname title slaying race decrease_ob_nr
		2854
2199	cf::object::player player	2855	cf::object::player
2200	cf::player peaceful	2856	player
2201	cf::map trigger	2857
		2858	cf::player
		2859	peaceful
		2860
		2861	cf::map
		2862	trigger
2202		2863
2203	=cut	2864	=cut
2204		2865
2205	for (	2866	for (
2206	["cf::object" => qw(contr pay_amount pay_player map)],	2867	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2868	insert remove inv name archname title slaying race
		2869	decrease_ob_nr)],
2207	["cf::object::player" => qw(player)],	2870	["cf::object::player" => qw(player)],
2208	["cf::player" => qw(peaceful)],	2871	["cf::player" => qw(peaceful)],
2209	["cf::map" => qw(trigger)],	2872	["cf::map" => qw(trigger)],
2210	) {	2873	) {
2211	no strict 'refs';	2874	no strict 'refs';
…		…
2282	=back	2945	=back
2283		2946
2284	=cut	2947	=cut
2285		2948
2286	#############################################################################	2949	#############################################################################
2287
2288	=head2 EXTENSION DATABASE SUPPORT
2289
2290	Crossfire maintains a very simple database for extension use. It can
2291	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2292	convert to/from binary).
2293
2294	The parameter C<$family> should best start with the name of the extension
2295	using it, it should be unique.
2296
2297	=over 4
2298
2299	=item $value = cf::db_get $family => $key
2300
2301	Returns a single value from the database.
2302
2303	=item cf::db_put $family => $key => $value
2304
2305	Stores the given C<$value> in the family.
2306
2307	=cut
2308
2309	our $DB;
2310
2311	sub db_init {
2312	unless ($DB) {
2313	$DB = BDB::db_create $DB_ENV;
2314
2315	cf::sync_job {
2316	eval {
2317	$DB->set_flags (BDB::CHKSUM);
2318
2319	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2320	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2321	cf::cleanup "db_open(db): $!" if $!;
2322	};
2323	cf::cleanup "db_open(db): $@" if $@;
2324	};
2325	}
2326	}
2327
2328	sub db_get($$) {
2329	my $key = "$_[0]/$_[1]";
2330
2331	cf::sync_job {
2332	BDB::db_get $DB, undef, $key, my $data;
2333
2334	$! ? ()
2335	: $data
2336	}
2337	}
2338
2339	sub db_put($$$) {
2340	BDB::dbreq_pri 4;
2341	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2342	}
2343
2344	=item cf::cache $id => [$paths...], $processversion => $process
2345
2346	Generic caching function that returns the value of the resource $id,
2347	caching and regenerating as required.
2348
2349	This function can block.
2350
2351	=cut
2352
2353	sub cache {
2354	my ($id, $src, $processversion, $process) = @_;
2355
2356	my $meta =
2357	join "\x00",
2358	$processversion,
2359	map {
2360	aio_stat $_
2361	and Carp::croak "$_: $!";
2362
2363	($_, (stat _)[7,9])
2364	} @$src;
2365
2366	my $dbmeta = db_get cache => "$id/meta";
2367	if ($dbmeta ne $meta) {
2368	# changed, we may need to process
2369
2370	my @data;
2371	my $md5;
2372
2373	for (0 .. $#$src) {
2374	0 <= aio_load $src->[$_], $data[$_]
2375	or Carp::croak "$src->[$_]: $!";
2376	}
2377
2378	# if processing is expensive, check
2379	# checksum first
2380	if (1) {
2381	$md5 =
2382	join "\x00",
2383	$processversion,
2384	map {
2385	Coro::cede;
2386	($src->[$_], Digest::MD5::md5_hex $data[$_])
2387	} 0.. $#$src;
2388
2389
2390	my $dbmd5 = db_get cache => "$id/md5";
2391	if ($dbmd5 eq $md5) {
2392	db_put cache => "$id/meta", $meta;
2393
2394	return db_get cache => "$id/data";
2395	}
2396	}
2397
2398	my $t1 = Time::HiRes::time;
2399	my $data = $process->(\@data);
2400	my $t2 = Time::HiRes::time;
2401
2402	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2403
2404	db_put cache => "$id/data", $data;
2405	db_put cache => "$id/md5" , $md5;
2406	db_put cache => "$id/meta", $meta;
2407
2408	return $data;
2409	}
2410
2411	db_get cache => "$id/data"
2412	}
2413
2414	=item fork_call { }, $args
2415
2416	Executes the given code block with the given arguments in a seperate
2417	process, returning the results. Everything must be serialisable with
2418	Coro::Storable. May, of course, block. Note that the executed sub may
2419	never block itself or use any form of Event handling.
2420
2421	=cut
2422
2423	sub fork_call(&@) {
2424	my ($cb, @args) = @_;
2425
2426	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2427	# or die "socketpair: $!";
2428	pipe my $fh1, my $fh2
2429	or die "pipe: $!";
2430
2431	if (my $pid = fork) {
2432	close $fh2;
2433
2434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2435	$res = Coro::Storable::thaw $res;
2436
2437	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2438
2439	die $$res unless "ARRAY" eq ref $res;
2440
2441	return wantarray ? @$res : $res->[-1];
2442	} else {
2443	reset_signals;
2444	local $SIG{__WARN__};
2445	local $SIG{__DIE__};
2446	eval {
2447	close $fh1;
2448
2449	my @res = eval { $cb->(@args) };
2450	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2451	};
2452
2453	warn $@ if $@;
2454	_exit 0;
2455	}
2456	}
2457
2458
2459
2460	#############################################################################
2461	# the server's init and main functions	2950	# the server's init and main functions
2462		2951
2463	sub load_facedata($) {	2952	sub load_facedata($) {
2464	my ($path) = @_;	2953	my ($path) = @_;
		2954
		2955	# HACK to clear player env face cache, we need some signal framework
		2956	# for this (global event?)
		2957	%ext::player_env::MUSIC_FACE_CACHE = ();
		2958
		2959	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2465		2960
2466	warn "loading facedata from $path\n";	2961	warn "loading facedata from $path\n";
2467		2962
2468	my $facedata;	2963	my $facedata;
2469	0 < aio_load $path, $facedata	2964	0 < aio_load $path, $facedata
…		…
2472	$facedata = Coro::Storable::thaw $facedata;	2967	$facedata = Coro::Storable::thaw $facedata;
2473		2968
2474	$facedata->{version} == 2	2969	$facedata->{version} == 2
2475	or cf::cleanup "$path: version mismatch, cannot proceed.";	2970	or cf::cleanup "$path: version mismatch, cannot proceed.";
2476		2971
		2972	# patch in the exptable
		2973	$facedata->{resource}{"res/exp_table"} = {
		2974	type => FT_RSRC,
		2975	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2976	};
		2977	cf::cede_to_tick;
		2978
2477	{	2979	{
2478	my $faces = $facedata->{faceinfo};	2980	my $faces = $facedata->{faceinfo};
2479		2981
2480	while (my ($face, $info) = each %$faces) {	2982	while (my ($face, $info) = each %$faces) {
2481	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2983	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2482	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2984	cf::face::set_visibility $idx, $info->{visibility};
		2985	cf::face::set_magicmap $idx, $info->{magicmap};
2483	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2986	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2484	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2987	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2485	Coro::cede;	2988
		2989	cf::cede_to_tick;
2486	}	2990	}
2487		2991
2488	while (my ($face, $info) = each %$faces) {	2992	while (my ($face, $info) = each %$faces) {
2489	next unless $info->{smooth};	2993	next unless $info->{smooth};
2490	my $idx = cf::face::find $face	2994	my $idx = cf::face::find $face
2491	or next;	2995	or next;
2492	if (my $smooth = cf::face::find $info->{smooth}) {	2996	if (my $smooth = cf::face::find $info->{smooth}) {
		2997	cf::face::set_smooth $idx, $smooth;
2493	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2998	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2494	} else {	2999	} else {
2495	warn "smooth face '$info->{smooth}' not found for face '$face'";	3000	warn "smooth face '$info->{smooth}' not found for face '$face'";
2496	}	3001	}
2497	Coro::cede;	3002
		3003	cf::cede_to_tick;
2498	}	3004	}
2499	}	3005	}
2500		3006
2501	{	3007	{
2502	my $anims = $facedata->{animinfo};	3008	my $anims = $facedata->{animinfo};
2503		3009
2504	while (my ($anim, $info) = each %$anims) {	3010	while (my ($anim, $info) = each %$anims) {
2505	cf::anim::set $anim, $info->{frames}, $info->{facings};	3011	cf::anim::set $anim, $info->{frames}, $info->{facings};
2506	Coro::cede;	3012	cf::cede_to_tick;
2507	}	3013	}
2508		3014
2509	cf::anim::invalidate_all; # d'oh	3015	cf::anim::invalidate_all; # d'oh
2510	}	3016	}
2511		3017
		3018	{
		3019	# TODO: for gcfclient pleasure, we should give resources
		3020	# that gcfclient doesn't grok a >10000 face index.
		3021	my $res = $facedata->{resource};
		3022
		3023	my $soundconf = delete $res->{"res/sound.conf"};
		3024
		3025	while (my ($name, $info) = each %$res) {
		3026	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3027	my $data;
		3028
		3029	if ($info->{type} & 1) {
		3030	# prepend meta info
		3031
		3032	my $meta = $enc->encode ({
		3033	name => $name,
		3034	%{ $info->{meta} || {} },
		3035	});
		3036
		3037	$data = pack "(w/a*)*", $meta, $info->{data};
		3038	} else {
		3039	$data = $info->{data};
		3040	}
		3041
		3042	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3043	cf::face::set_type $idx, $info->{type};
		3044
		3045	cf::cede_to_tick;
		3046	}
		3047
		3048	if ($soundconf) {
		3049	$soundconf = $enc->decode (delete $soundconf->{data});
		3050
		3051	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3052	my $sound = $soundconf->{compat}[$_]
		3053	or next;
		3054
		3055	my $face = cf::face::find "sound/$sound->[1]";
		3056	cf::sound::set $sound->[0] => $face;
		3057	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3058	}
		3059
		3060	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3061	my $face = cf::face::find "sound/$v";
		3062	cf::sound::set $k => $face;
		3063	}
		3064	}
		3065	}
		3066
2512	1	3067	1
2513	}	3068	}
2514		3069
		3070	register_exticmd fx_want => sub {
		3071	my ($ns, $want) = @_;
		3072
		3073	while (my ($k, $v) = each %$want) {
		3074	$ns->fx_want ($k, $v);
		3075	}
		3076	};
		3077
2515	sub reload_regions {	3078	sub reload_regions {
		3079	# HACK to clear player env face cache, we need some signal framework
		3080	# for this (global event?)
		3081	%ext::player_env::MUSIC_FACE_CACHE = ();
		3082
2516	load_resource_file "$MAPDIR/regions"	3083	load_resource_file "$MAPDIR/regions"
2517	or die "unable to load regions file\n";	3084	or die "unable to load regions file\n";
		3085
		3086	for (cf::region::list) {
		3087	$_->{match} = qr/$_->{match}/
		3088	if exists $_->{match};
		3089	}
2518	}	3090	}
2519		3091
2520	sub reload_facedata {	3092	sub reload_facedata {
2521	load_facedata "$DATADIR/facedata"	3093	load_facedata "$DATADIR/facedata"
2522	or die "unable to load facedata\n";	3094	or die "unable to load facedata\n";
2523	}	3095	}
2524		3096
2525	sub reload_archetypes {	3097	sub reload_archetypes {
2526	load_resource_file "$DATADIR/archetypes"	3098	load_resource_file "$DATADIR/archetypes"
2527	or die "unable to load archetypes\n";	3099	or die "unable to load archetypes\n";
		3100	#d# NEED to laod twice to resolve forward references
		3101	# this really needs to be done in an extra post-pass
		3102	# (which needs to be synchronous, so solve it differently)
		3103	load_resource_file "$DATADIR/archetypes"
		3104	or die "unable to load archetypes\n";
2528	}	3105	}
2529		3106
2530	sub reload_treasures {	3107	sub reload_treasures {
2531	load_resource_file "$DATADIR/treasures"	3108	load_resource_file "$DATADIR/treasures"
2532	or die "unable to load treasurelists\n";	3109	or die "unable to load treasurelists\n";
…		…
2535	sub reload_resources {	3112	sub reload_resources {
2536	warn "reloading resource files...\n";	3113	warn "reloading resource files...\n";
2537		3114
2538	reload_regions;	3115	reload_regions;
2539	reload_facedata;	3116	reload_facedata;
		3117	#reload_archetypes;#d#
2540	reload_archetypes;	3118	reload_archetypes;
2541	reload_treasures;	3119	reload_treasures;
2542		3120
2543	warn "finished reloading resource files\n";	3121	warn "finished reloading resource files\n";
2544	}	3122	}
2545		3123
2546	sub init {	3124	sub init {
2547	reload_resources;	3125	reload_resources;
2548	}	3126	}
2549		3127
2550	sub cfg_load {	3128	sub reload_config {
2551	open my $fh, "<:utf8", "$CONFDIR/config"	3129	open my $fh, "<:utf8", "$CONFDIR/config"
2552	or return;	3130	or return;
2553		3131
2554	local $/;	3132	local $/;
2555	*CFG = YAML::Syck::Load <$fh>;	3133	*CFG = YAML::Syck::Load <$fh>;
…		…
2575	(async {	3153	(async {
2576	Event::one_event;	3154	Event::one_event;
2577	})->prio (Coro::PRIO_MAX);	3155	})->prio (Coro::PRIO_MAX);
2578	};	3156	};
2579		3157
2580	cfg_load;	3158	reload_config;
2581	db_init;	3159	db_init;
2582	load_extensions;	3160	load_extensions;
2583		3161
2584	$TICK_WATCHER->start;	3162	$TICK_WATCHER->start;
2585	Event::loop;	3163	Event::loop;
…		…
2601	},	3179	},
2602	);	3180	);
2603	}	3181	}
2604	}	3182	}
2605		3183
		3184	sub write_runtime {
		3185	my $runtime = "$LOCALDIR/runtime";
		3186
		3187	# first touch the runtime file to show we are still running:
		3188	# the fsync below can take a very very long time.
		3189
		3190	IO::AIO::aio_utime $runtime, undef, undef;
		3191
		3192	my $guard = cf::lock_acquire "write_runtime";
		3193
		3194	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3195	or return;
		3196
		3197	my $value = $cf::RUNTIME + 90 + 10;
		3198	# 10 is the runtime save interval, for a monotonic clock
		3199	# 60 allows for the watchdog to kill the server.
		3200
		3201	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3202	and return;
		3203
		3204	# always fsync - this file is important
		3205	aio_fsync $fh
		3206	and return;
		3207
		3208	# touch it again to show we are up-to-date
		3209	aio_utime $fh, undef, undef;
		3210
		3211	close $fh
		3212	or return;
		3213
		3214	aio_rename "$runtime~", $runtime
		3215	and return;
		3216
		3217	warn "runtime file written.\n";
		3218
		3219	1
		3220	}
		3221
2606	sub emergency_save() {	3222	sub emergency_save() {
2607	my $freeze_guard = cf::freeze_mainloop;	3223	my $freeze_guard = cf::freeze_mainloop;
2608		3224
2609	warn "enter emergency perl save\n";	3225	warn "enter emergency perl save\n";
2610		3226
…		…
2685	%EXT_CORO = ();	3301	%EXT_CORO = ();
2686		3302
2687	warn "removing commands";	3303	warn "removing commands";
2688	%COMMAND = ();	3304	%COMMAND = ();
2689		3305
2690	warn "removing ext commands";	3306	warn "removing ext/exti commands";
2691	%EXTCMD = ();	3307	%EXTCMD = ();
		3308	%EXTICMD = ();
2692		3309
2693	warn "unloading/nuking all extensions";	3310	warn "unloading/nuking all extensions";
2694	for my $pkg (@EXTS) {	3311	for my $pkg (@EXTS) {
2695	warn "... unloading $pkg";	3312	warn "... unloading $pkg";
2696		3313
…		…
2739	warn "reloading cf.pm";	3356	warn "reloading cf.pm";
2740	require cf;	3357	require cf;
2741	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3358	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2742		3359
2743	warn "loading config and database again";	3360	warn "loading config and database again";
2744	cf::cfg_load;	3361	cf::reload_config;
2745		3362
2746	warn "loading extensions";	3363	warn "loading extensions";
2747	cf::load_extensions;	3364	cf::load_extensions;
2748		3365
2749	warn "reattaching attachments to objects/players";	3366	warn "reattaching attachments to objects/players";
…		…
2814	my $signal = new Coro::Signal;	3431	my $signal = new Coro::Signal;
2815	push @WAIT_FOR_TICK_BEGIN, $signal;	3432	push @WAIT_FOR_TICK_BEGIN, $signal;
2816	$signal->wait;	3433	$signal->wait;
2817	}	3434	}
2818		3435
		3436	my $min = 1e6;#d#
		3437	my $avg = 10;
2819	$TICK_WATCHER = Event->timer (	3438	$TICK_WATCHER = Event->timer (
2820	reentrant => 0,	3439	reentrant => 0,
2821	parked => 1,	3440	parked => 1,
2822	prio => 0,	3441	prio => 0,
2823	at => $NEXT_TICK || $TICK,	3442	at => $NEXT_TICK || $TICK,
…		…
2827	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3446	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2828	unless ++$bug_warning > 10;	3447	unless ++$bug_warning > 10;
2829	return;	3448	return;
2830	}	3449	}
2831		3450
2832	$NOW = Event::time;	3451	$NOW = $tick_start = Event::time;
2833		3452
2834	cf::server_tick; # one server iteration	3453	cf::server_tick; # one server iteration
		3454
		3455	0 && sync_job {#d#
		3456	for(1..10) {
		3457	my $t = Event::time;
		3458	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3459	or die;
		3460
		3461	$map->width (50);
		3462	$map->height (50);
		3463	$map->alloc;
		3464	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3465	my $t = Event::time - $t;
		3466
		3467	#next unless $t < 0.0013;#d#
		3468	if ($t < $min) {
		3469	$min = $t;
		3470	}
		3471	$avg = $avg * 0.99 + $t * 0.01;
		3472	}
		3473	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3474	exit 0;
		3475	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3476	};
2835		3477
2836	$RUNTIME += $TICK;	3478	$RUNTIME += $TICK;
2837	$NEXT_TICK += $TICK;	3479	$NEXT_TICK += $TICK;
2838		3480
2839	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3481	if ($NOW >= $NEXT_RUNTIME_WRITE) {
…		…
2845	}	3487	}
2846		3488
2847	# my $AFTER = Event::time;	3489	# my $AFTER = Event::time;
2848	# warn $AFTER - $NOW;#d#	3490	# warn $AFTER - $NOW;#d#
2849		3491
		3492	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3493	$sig->send;
		3494	}
		3495	while (my $sig = shift @WAIT_FOR_TICK) {
		3496	$sig->send;
		3497	}
		3498
		3499	$NOW = Event::time;
		3500
2850	# if we are delayed by four ticks or more, skip them all	3501	# if we are delayed by four ticks or more, skip them all
2851	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3502	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2852		3503
2853	$TICK_WATCHER->at ($NEXT_TICK);	3504	$TICK_WATCHER->at ($NEXT_TICK);
2854	$TICK_WATCHER->start;	3505	$TICK_WATCHER->start;
2855		3506
2856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3507	$LOAD = ($NOW - $tick_start) / $TICK;
2857	$sig->send;	3508	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2858	}
2859	while (my $sig = shift @WAIT_FOR_TICK) {
2860	$sig->send;
2861	}
2862		3509
2863	_post_tick;	3510	_post_tick;
		3511
		3512
2864	},	3513	},
2865	);	3514	);
2866		3515
2867	{	3516	{
2868	BDB::max_poll_time $TICK * 0.1;	3517	BDB::max_poll_time $TICK * 0.1;

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