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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.264 by root, Sun May 6 05:44:48 2007 UTC vs.
Revision 1.361 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 $runtime = "$LOCALDIR/runtime";
373		481
374	# first touch the runtime file to show we are still running:	482	Executes the given code block with the given arguments in a seperate
375	# the fsync below can take a very very long time.	483	process, returning the results. Everything must be serialisable with
		484	Coro::Storable. May, of course, block. Note that the executed sub may
		485	never block itself or use any form of Event handling.
376		486
377	warn "touching runtime...\n";#d#	487	=cut
378	if (my $fh = aio_open $runtime, O_WRONLY, 0) {
379	utime undef, undef, $fh;
380	}
381		488
382	my $guard = cf::lock_acquire "write_runtime";	489	sub fork_call(&@) {
		490	my ($cb, @args) = @_;
383		491
384	warn "starting to write runtime...\n";#d#	492	# we seemingly have to make a local copy of the whole thing,
385	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	493	# otherwise perl prematurely frees the stuff :/
386	or return;	494	# TODO: investigate and fix (likely this will be rather laborious)
387		495
388	my $value = $cf::RUNTIME + 90 + 10;	496	my @res = Coro::Util::fork_eval {
389	# 10 is the runtime save interval, for a monotonic clock	497	reset_signals;
390	# 60 allows for the watchdog to kill the server.	498	&$cb
		499	}, @args;
391		500
392	(aio_write $fh, 0, (length $value), $value, 0) <= 0	501	wantarray ? @res : $res[-1]
393	and return;	502	}
394		503
395	# always fsync - this file is important	504	=item $value = cf::db_get $family => $key
396	aio_fsync $fh
397	and return;
398		505
399	# touch it again to show we are up-to-date	506	Returns a single value from the environment database.
400	utime undef, undef, $fh;
401		507
402	close $fh	508	=item cf::db_put $family => $key => $value
403	or return;
404		509
405	aio_rename "$runtime~", $runtime	510	Stores the given C<$value> in the family. It can currently store binary
406	and return;	511	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
407		512
408	warn "... done writing runtime.\n";#d#	513	=cut
409		514
		515	our $DB;
		516
		517	sub db_init {
		518	unless ($DB) {
		519	$DB = BDB::db_create $DB_ENV;
		520
		521	cf::sync_job {
		522	eval {
		523	$DB->set_flags (BDB::CHKSUM);
		524
		525	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		526	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		527	cf::cleanup "db_open(db): $!" if $!;
		528	};
		529	cf::cleanup "db_open(db): $@" if $@;
		530	};
410	1	531	}
		532	}
		533
		534	sub db_get($$) {
		535	my $key = "$_[0]/$_[1]";
		536
		537	cf::sync_job {
		538	BDB::db_get $DB, undef, $key, my $data;
		539
		540	$! ? ()
		541	: $data
		542	}
		543	}
		544
		545	sub db_put($$$) {
		546	BDB::dbreq_pri 4;
		547	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		548	}
		549
		550	=item cf::cache $id => [$paths...], $processversion => $process
		551
		552	Generic caching function that returns the value of the resource $id,
		553	caching and regenerating as required.
		554
		555	This function can block.
		556
		557	=cut
		558
		559	sub cache {
		560	my ($id, $src, $processversion, $process) = @_;
		561
		562	my $meta =
		563	join "\x00",
		564	$processversion,
		565	map {
		566	aio_stat $_
		567	and Carp::croak "$_: $!";
		568
		569	($_, (stat _)[7,9])
		570	} @$src;
		571
		572	my $dbmeta = db_get cache => "$id/meta";
		573	if ($dbmeta ne $meta) {
		574	# changed, we may need to process
		575
		576	my @data;
		577	my $md5;
		578
		579	for (0 .. $#$src) {
		580	0 <= aio_load $src->[$_], $data[$_]
		581	or Carp::croak "$src->[$_]: $!";
		582	}
		583
		584	# if processing is expensive, check
		585	# checksum first
		586	if (1) {
		587	$md5 =
		588	join "\x00",
		589	$processversion,
		590	map {
		591	cf::cede_to_tick;
		592	($src->[$_], Digest::MD5::md5_hex $data[$_])
		593	} 0.. $#$src;
		594
		595
		596	my $dbmd5 = db_get cache => "$id/md5";
		597	if ($dbmd5 eq $md5) {
		598	db_put cache => "$id/meta", $meta;
		599
		600	return db_get cache => "$id/data";
		601	}
		602	}
		603
		604	my $t1 = Time::HiRes::time;
		605	my $data = $process->(\@data);
		606	my $t2 = Time::HiRes::time;
		607
		608	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		609
		610	db_put cache => "$id/data", $data;
		611	db_put cache => "$id/md5" , $md5;
		612	db_put cache => "$id/meta", $meta;
		613
		614	return $data;
		615	}
		616
		617	db_get cache => "$id/data"
411	}	618	}
412		619
413	=item cf::datalog type => key => value, ...	620	=item cf::datalog type => key => value, ...
414		621
415	Log a datalog packet of the given type with the given key-value pairs.	622	Log a datalog packet of the given type with the given key-value pairs.
…		…
433	attach callbacks/event handlers (a collection of which is called an "attachment")	640	attach callbacks/event handlers (a collection of which is called an "attachment")
434	to it. All such attachable objects support the following methods.	641	to it. All such attachable objects support the following methods.
435		642
436	In the following description, CLASS can be any of C<global>, C<object>	643	In the following description, CLASS can be any of C<global>, C<object>
437	C<player>, C<client> or C<map> (i.e. the attachable objects in	644	C<player>, C<client> or C<map> (i.e. the attachable objects in
438	crossfire+).	645	Crossfire TRT).
439		646
440	=over 4	647	=over 4
441		648
442	=item $attachable->attach ($attachment, key => $value...)	649	=item $attachable->attach ($attachment, key => $value...)
443		650
…		…
606	$registry = $CB_TYPE[$object_type] ||= [];	813	$registry = $CB_TYPE[$object_type] ||= [];
607		814
608	} elsif ($type eq "subtype") {	815	} elsif ($type eq "subtype") {
609	defined $object_type or Carp::croak "subtype specified without type";	816	defined $object_type or Carp::croak "subtype specified without type";
610	my $object_subtype = shift @arg;	817	my $object_subtype = shift @arg;
611	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	818	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
612		819
613	} elsif ($type eq "package") {	820	} elsif ($type eq "package") {
614	my $pkg = shift @arg;	821	my $pkg = shift @arg;
615		822
616	while (my ($name, $id) = each %cb_id) {	823	while (my ($name, $id) = each %cb_id) {
…		…
645	_attach $registry, $klass, @attach;	852	_attach $registry, $klass, @attach;
646	}	853	}
647		854
648	$obj->{$name} = \%arg;	855	$obj->{$name} = \%arg;
649	} else {	856	} else {
650	warn "object uses attachment '$name' that is not available, postponing.\n";	857	warn "object uses attachment '$name' which is not available, postponing.\n";
651	}	858	}
652		859
653	$obj->{_attachment}{$name} = undef;	860	$obj->{_attachment}{$name} = undef;
654	}	861	}
655		862
…		…
657	if (ref $_[0]) {	864	if (ref $_[0]) {
658	_object_attach @_;	865	_object_attach @_;
659	} else {	866	} else {
660	_attach shift->_attach_registry, @_;	867	_attach shift->_attach_registry, @_;
661	}	868	}
		869	_recalc_want;
662	};	870	};
663		871
664	# all those should be optimised	872	# all those should be optimised
665	sub cf::attachable::detach {	873	sub cf::attachable::detach {
666	my ($obj, $name) = @_;	874	my ($obj, $name) = @_;
…		…
669	delete $obj->{_attachment}{$name};	877	delete $obj->{_attachment}{$name};
670	reattach ($obj);	878	reattach ($obj);
671	} else {	879	} else {
672	Carp::croak "cannot, currently, detach class attachments";	880	Carp::croak "cannot, currently, detach class attachments";
673	}	881	}
		882	_recalc_want;
674	};	883	};
675		884
676	sub cf::attachable::attached {	885	sub cf::attachable::attached {
677	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
678		887
…		…
693	";	902	";
694	die if $@;	903	die if $@;
695	}	904	}
696		905
697	our $override;	906	our $override;
698	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	907	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
699		908
700	sub override {	909	sub override {
701	$override = 1;	910	$override = 1;
702	@invoke_results = ();	911	@INVOKE_RESULTS = (@_);
703	}	912	}
704		913
705	sub do_invoke {	914	sub do_invoke {
706	my $event = shift;	915	my $event = shift;
707	my $callbacks = shift;	916	my $callbacks = shift;
708		917
709	@invoke_results = ();	918	@INVOKE_RESULTS = ();
710		919
711	local $override;	920	local $override;
712		921
713	for (@$callbacks) {	922	for (@$callbacks) {
714	eval { &{$_->[1]} };	923	eval { &{$_->[1]} };
…		…
731		940
732	Generate an object-specific event with the given arguments.	941	Generate an object-specific event with the given arguments.
733		942
734	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	943	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
735	removed in future versions), and there is no public API to access override	944	removed in future versions), and there is no public API to access override
736	results (if you must, access C<@cf::invoke_results> directly).	945	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
737		946
738	=back	947	=back
739		948
740	=cut	949	=cut
741		950
742	#############################################################################	951	#############################################################################
743	# object support	952	# object support
		953	#
		954
		955	sub _can_merge {
		956	my ($ob1, $ob2) = @_;
		957
		958	local $Storable::canonical = 1;
		959	my $fob1 = Storable::freeze $ob1;
		960	my $fob2 = Storable::freeze $ob2;
		961
		962	$fob1 eq $fob2
		963	}
744		964
745	sub reattach {	965	sub reattach {
746	# basically do the same as instantiate, without calling instantiate	966	# basically do the same as instantiate, without calling instantiate
747	my ($obj) = @_;	967	my ($obj) = @_;
748		968
…		…
792	},	1012	},
793	);	1013	);
794		1014
795	sub object_freezer_save {	1015	sub object_freezer_save {
796	my ($filename, $rdata, $objs) = @_;	1016	my ($filename, $rdata, $objs) = @_;
		1017
		1018	my $guard = cf::lock_acquire "io";
797		1019
798	sync_job {	1020	sync_job {
799	if (length $$rdata) {	1021	if (length $$rdata) {
800	warn sprintf "saving %s (%d,%d)\n",	1022	warn sprintf "saving %s (%d,%d)\n",
801	$filename, length $$rdata, scalar @$objs;	1023	$filename, length $$rdata, scalar @$objs;
…		…
825	}	1047	}
826	} else {	1048	} else {
827	aio_unlink $filename;	1049	aio_unlink $filename;
828	aio_unlink "$filename.pst";	1050	aio_unlink "$filename.pst";
829	}	1051	}
830	}	1052	};
		1053
		1054	undef $guard;
831	}	1055	}
832		1056
833	sub object_freezer_as_string {	1057	sub object_freezer_as_string {
834	my ($rdata, $objs) = @_;	1058	my ($rdata, $objs) = @_;
835		1059
…		…
840		1064
841	sub object_thawer_load {	1065	sub object_thawer_load {
842	my ($filename) = @_;	1066	my ($filename) = @_;
843		1067
844	my ($data, $av);	1068	my ($data, $av);
		1069
		1070	my $guard = cf::lock_acquire "io";
845		1071
846	(aio_load $filename, $data) >= 0	1072	(aio_load $filename, $data) >= 0
847	or return;	1073	or return;
848		1074
849	unless (aio_stat "$filename.pst") {	1075	unless (aio_stat "$filename.pst") {
850	(aio_load "$filename.pst", $av) >= 0	1076	(aio_load "$filename.pst", $av) >= 0
851	or return;	1077	or return;
		1078
		1079	undef $guard;
852	$av = eval { (Storable::thaw $av)->{objs} };	1080	$av = eval { (Storable::thaw $av)->{objs} };
853	}	1081	}
854		1082
855	warn sprintf "loading %s (%d)\n",	1083	warn sprintf "loading %s (%d)\n",
856	$filename, length $data, scalar @{$av || []};#d#	1084	$filename, length $data, scalar @{$av || []};
		1085
857	return ($data, $av);	1086	($data, $av)
858	}	1087	}
		1088
		1089	=head2 COMMAND CALLBACKS
		1090
		1091	=over 4
		1092
		1093	=cut
859		1094
860	#############################################################################	1095	#############################################################################
861	# command handling &c	1096	# command handling &c
862		1097
863	=item cf::register_command $name => \&callback($ob,$args);	1098	=item cf::register_command $name => \&callback($ob,$args);
…		…
876	push @{ $COMMAND{$name} }, [$caller, $cb];	1111	push @{ $COMMAND{$name} }, [$caller, $cb];
877	}	1112	}
878		1113
879	=item cf::register_extcmd $name => \&callback($pl,$packet);	1114	=item cf::register_extcmd $name => \&callback($pl,$packet);
880		1115
881	Register a callbackf ro execution when the client sends an extcmd packet.	1116	Register a callback for execution when the client sends an (synchronous)
		1117	extcmd packet. Ext commands will be processed in the order they are
		1118	received by the server, like other user commands. The first argument is
		1119	the logged-in player. Ext commands can only be processed after a player
		1120	has logged in successfully.
882		1121
883	If the callback returns something, it is sent back as if reply was being	1122	If the callback returns something, it is sent back as if reply was being
884	called.	1123	called.
885		1124
		1125	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1126
		1127	Register a callback for execution when the client sends an (asynchronous)
		1128	exticmd packet. Exti commands are processed by the server as soon as they
		1129	are received, i.e. out of order w.r.t. other commands. The first argument
		1130	is a client socket. Exti commands can be received anytime, even before
		1131	log-in.
		1132
		1133	If the callback returns something, it is sent back as if reply was being
		1134	called.
		1135
886	=cut	1136	=cut
887		1137
888	sub register_extcmd {	1138	sub register_extcmd {
889	my ($name, $cb) = @_;	1139	my ($name, $cb) = @_;
890		1140
891	$EXTCMD{$name} = $cb;	1141	$EXTCMD{$name} = $cb;
		1142	}
		1143
		1144	sub register_exticmd {
		1145	my ($name, $cb) = @_;
		1146
		1147	$EXTICMD{$name} = $cb;
892	}	1148	}
893		1149
894	cf::player->attach (	1150	cf::player->attach (
895	on_command => sub {	1151	on_command => sub {
896	my ($pl, $name, $params) = @_;	1152	my ($pl, $name, $params) = @_;
…		…
905	cf::override;	1161	cf::override;
906	},	1162	},
907	on_extcmd => sub {	1163	on_extcmd => sub {
908	my ($pl, $buf) = @_;	1164	my ($pl, $buf) = @_;
909		1165
910	my $msg = eval { from_json $buf };	1166	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
911		1167
912	if (ref $msg) {	1168	if (ref $msg) {
		1169	my ($type, $reply, @payload) =
		1170	"ARRAY" eq ref $msg
		1171	? @$msg
		1172	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1173
		1174	my @reply;
		1175
913	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1176	if (my $cb = $EXTCMD{$type}) {
914	if (my %reply = $cb->($pl, $msg)) {	1177	@reply = $cb->($pl, @payload);
915	$pl->ext_reply ($msg->{msgid}, %reply);
916	}
917	}	1178	}
		1179
		1180	$pl->ext_reply ($reply, @reply)
		1181	if $reply;
		1182
918	} else {	1183	} else {
919	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1184	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
920	}	1185	}
921		1186
922	cf::override;	1187	cf::override;
923	},	1188	},
924	);	1189	);
925		1190
926	sub load_extension {
927	my ($path) = @_;
928
929	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
930	my $base = $1;
931	my $pkg = $1;
932	$pkg =~ s/[^[:word:]]/_/g;
933	$pkg = "ext::$pkg";
934
935	warn "... loading '$path' into '$pkg'\n";
936
937	open my $fh, "<:utf8", $path
938	or die "$path: $!";
939
940	my $source =
941	"package $pkg; use strict; use utf8;\n"
942	. "#line 1 \"$path\"\n{\n"
943	. (do { local $/; <$fh> })
944	. "\n};\n1";
945
946	unless (eval $source) {
947	my $msg = $@ ? "$path: $@\n"
948	: "extension disabled.\n";
949	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
950	warn $@;
951	warn "mandatory extension failed to load, exiting.\n";
952	exit 1;
953	}
954	die $@;
955	}
956
957	push @EXTS, $pkg;
958	}
959
960	sub load_extensions {	1191	sub load_extensions {
		1192	cf::sync_job {
		1193	my %todo;
		1194
961	for my $ext (<$LIBDIR/*.ext>) {	1195	for my $path (<$LIBDIR/*.ext>) {
962	next unless -r $ext;	1196	next unless -r $path;
963	eval {	1197
964	load_extension $ext;	1198	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1199	my $base = $1;
		1200	my $pkg = $1;
		1201	$pkg =~ s/[^[:word:]]/_/g;
		1202	$pkg = "ext::$pkg";
		1203
		1204	open my $fh, "<:utf8", $path
		1205	or die "$path: $!";
		1206
		1207	my $source = do { local $/; <$fh> };
		1208
		1209	my %ext = (
		1210	path => $path,
		1211	base => $base,
		1212	pkg => $pkg,
		1213	);
		1214
		1215	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1216	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1217
		1218	$ext{source} =
		1219	"package $pkg; use strict; use utf8;\n"
		1220	. "#line 1 \"$path\"\n{\n"
		1221	. $source
		1222	. "\n};\n1";
		1223
		1224	$todo{$base} = \%ext;
		1225	}
		1226
		1227	my %done;
		1228	while (%todo) {
		1229	my $progress;
		1230
		1231	while (my ($k, $v) = each %todo) {
		1232	for (split /,\s*/, $v->{meta}{depends}) {
		1233	goto skip
		1234	unless exists $done{$_};
		1235	}
		1236
		1237	warn "... loading '$k' into '$v->{pkg}'\n";
		1238
		1239	unless (eval $v->{source}) {
		1240	my $msg = $@ ? "$v->{path}: $@\n"
		1241	: "$v->{base}: extension inactive.\n";
		1242
		1243	if (exists $v->{meta}{mandatory}) {
		1244	warn $msg;
		1245	warn "mandatory extension failed to load, exiting.\n";
		1246	exit 1;
		1247	}
		1248
		1249	warn $msg;
		1250	}
		1251
		1252	$done{$k} = delete $todo{$k};
		1253	push @EXTS, $v->{pkg};
		1254	$progress = 1;
965	1	1255	}
966	} or warn "$ext not loaded: $@";	1256
		1257	skip:
		1258	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1259	unless $progress;
		1260	}
967	}	1261	};
968	}	1262	}
969		1263
970	#############################################################################	1264	#############################################################################
971		1265
		1266	=back
		1267
972	=head2 CORE EXTENSIONS	1268	=head2 CORE EXTENSIONS
973		1269
974	Functions and methods that extend core crossfire objects.	1270	Functions and methods that extend core crossfire objects.
975		1271
976	=cut	1272	=cut
…		…
980	use Coro::AIO;	1276	use Coro::AIO;
981		1277
982	=head3 cf::player	1278	=head3 cf::player
983		1279
984	=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	}
985		1295
986	=item cf::player::find $login	1296	=item cf::player::find $login
987		1297
988	Returns the given player object, loading it if necessary (might block).	1298	Returns the given player object, loading it if necessary (might block).
989		1299
…		…
1025	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1026	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1027	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1028	aio_unlink +(playerdir $login) . "/$login.pl";	1338	aio_unlink +(playerdir $login) . "/$login.pl";
1029		1339
1030	my $pl = load_pl path $login	1340	my $f = new_from_file cf::object::thawer path $login
1031	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;
1032	$cf::PLAYER{$login} = $pl	1348	$cf::PLAYER{$login} = $pl
1033	}	1349	}
1034	}	1350	}
1035	}	1351	}
1036		1352
…		…
1046		1362
1047	aio_mkdir playerdir $pl, 0770;	1363	aio_mkdir playerdir $pl, 0770;
1048	$pl->{last_save} = $cf::RUNTIME;	1364	$pl->{last_save} = $cf::RUNTIME;
1049		1365
1050	$pl->save_pl ($path);	1366	$pl->save_pl ($path);
1051	Coro::cede;	1367	cf::cede_to_tick;
1052	}	1368	}
1053		1369
1054	sub new($) {	1370	sub new($) {
1055	my ($login) = @_;	1371	my ($login) = @_;
1056		1372
…		…
1060	$self->{deny_save} = 1;	1376	$self->{deny_save} = 1;
1061		1377
1062	$cf::PLAYER{$login} = $self;	1378	$cf::PLAYER{$login} = $self;
1063		1379
1064	$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 (@_);
1065	}	1391	}
1066		1392
1067	=item $pl->quit_character	1393	=item $pl->quit_character
1068		1394
1069	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
…		…
1124	or return [];	1450	or return [];
1125		1451
1126	my @logins;	1452	my @logins;
1127		1453
1128	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") {
1129	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1459	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1130	aio_read $fh, 0, 512, my $buf, 0 or next;	1460	aio_read $fh, 0, 512, my $buf, 0 or next;
1131	$buf !~ /^password -------------$/m or next; # official not-valid tag	1461	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1462	}
1132		1463
1133	utf8::decode $login;	1464	utf8::decode $login;
1134	push @logins, $login;	1465	push @logins, $login;
1135	}	1466	}
1136		1467
…		…
1163	}	1494	}
1164		1495
1165	\@paths	1496	\@paths
1166	}	1497	}
1167		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
1168	=item $player->ext_reply ($msgid, %msg)	1550	=item $player->ext_reply ($msgid, @msg)
1169		1551
1170	Sends an ext reply to the player.	1552	Sends an ext reply to the player.
1171		1553
1172	=cut	1554	=cut
1173		1555
1174	sub ext_reply($$%) {	1556	sub ext_reply($$@) {
1175	my ($self, $id, %msg) = @_;	1557	my ($self, $id, @msg) = @_;
1176		1558
1177	$msg{msgid} = $id;	1559	$self->ns->ext_reply ($id, @msg)
1178
1179	$self->send ("ext " . cf::to_json \%msg);
1180	}	1560	}
1181		1561
1182	=item $player->ext_event ($type, %msg)	1562	=item $player->ext_msg ($type, @msg)
1183		1563
1184	Sends an ext event to the client.	1564	Sends an ext event to the client.
1185		1565
1186	=cut	1566	=cut
1187		1567
1188	sub ext_event($$%) {	1568	sub ext_msg($$@) {
1189	my ($self, $type, %msg) = @_;	1569	my ($self, $type, @msg) = @_;
1190		1570
1191	$self->ns->ext_event ($type, %msg);	1571	$self->ns->ext_msg ($type, @msg);
1192	}	1572	}
1193		1573
1194	=head3 cf::region	1574	=head3 cf::region
1195		1575
1196	=over 4	1576	=over 4
…		…
1199		1579
1200	package cf::region;	1580	package cf::region;
1201		1581
1202	=item cf::region::find_by_path $path	1582	=item cf::region::find_by_path $path
1203		1583
1204	Tries to decuce the probable region for a map knowing only its path.	1584	Tries to decuce the likely region for a map knowing only its path.
1205		1585
1206	=cut	1586	=cut
1207		1587
1208	sub find_by_path($) {	1588	sub find_by_path($) {
1209	my ($path) = @_;	1589	my ($path) = @_;
1210		1590
1211	my ($match, $specificity);	1591	my ($match, $specificity);
1212		1592
1213	for my $region (list) {	1593	for my $region (list) {
1214	if ($region->match && $path =~ $region->match) {	1594	if ($region->{match} && $path =~ $region->{match}) {
1215	($match, $specificity) = ($region, $region->specificity)	1595	($match, $specificity) = ($region, $region->specificity)
1216	if $region->specificity > $specificity;	1596	if $region->specificity > $specificity;
1217	}	1597	}
1218	}	1598	}
1219		1599
…		…
1283	my ($self, $merge) = @_;	1663	my ($self, $merge) = @_;
1284		1664
1285	# we have to keep some variables in memory intact	1665	# we have to keep some variables in memory intact
1286	local $self->{path};	1666	local $self->{path};
1287	local $self->{load_path};	1667	local $self->{load_path};
1288	local $self->{deny_save};
1289	local $self->{deny_reset};
1290		1668
1291	$self->SUPER::thawer_merge ($merge);	1669	$self->SUPER::thawer_merge ($merge);
1292	}	1670	}
1293		1671
1294	sub normalise {	1672	sub normalise {
…		…
1341	$self->init; # pass $1 etc.	1719	$self->init; # pass $1 etc.
1342	return $self;	1720	return $self;
1343	}	1721	}
1344	}	1722	}
1345		1723
1346	Carp::carp "unable to resolve path '$path' (base '$base').";	1724	Carp::cluck "unable to resolve path '$path' (base '$base').";
1347	()	1725	()
1348	}	1726	}
1349		1727
1350	sub init {	1728	sub init {
1351	my ($self) = @_;	1729	my ($self) = @_;
…		…
1394		1772
1395	$_->change_map_light ($change)	1773	$_->change_map_light ($change)
1396	for grep $_->outdoor, values %cf::MAP;	1774	for grep $_->outdoor, values %cf::MAP;
1397	}	1775	}
1398		1776
		1777	sub decay_objects {
		1778	my ($self) = @_;
		1779
		1780	return if $self->{deny_reset};
		1781
		1782	$self->do_decay_objects;
		1783	}
		1784
1399	sub unlink_save {	1785	sub unlink_save {
1400	my ($self) = @_;	1786	my ($self) = @_;
1401		1787
1402	utf8::encode (my $save = $self->save_path);	1788	utf8::encode (my $save = $self->save_path);
1403	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1789	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1406		1792
1407	sub load_header_from($) {	1793	sub load_header_from($) {
1408	my ($self, $path) = @_;	1794	my ($self, $path) = @_;
1409		1795
1410	utf8::encode $path;	1796	utf8::encode $path;
1411	#aio_open $path, O_RDONLY, 0	1797	my $f = new_from_file cf::object::thawer $path
1412	# or return;
1413
1414	$self->_load_header ($path)
1415	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;
1416		1805
1417	$self->{load_path} = $path;	1806	$self->{load_path} = $path;
1418		1807
1419	1	1808	1
1420	}	1809	}
…		…
1459	$self->load_header_orig	1848	$self->load_header_orig
1460	or return;	1849	or return;
1461	$self->prepare_orig;	1850	$self->prepare_orig;
1462	}	1851	}
1463		1852
		1853	$self->{deny_reset} = 1
		1854	if $self->no_reset;
		1855
1464	$self->default_region (cf::region::find_by_path $self->{path})	1856	$self->default_region (cf::region::find_by_path $self->{path})
1465	unless $self->default_region;	1857	unless $self->default_region;
1466		1858
1467	1	1859	1
1468	}	1860	}
…		…
1471	sub find {	1863	sub find {
1472	my ($path, $origin) = @_;	1864	my ($path, $origin) = @_;
1473		1865
1474	$path = normalise $path, $origin && $origin->path;	1866	$path = normalise $path, $origin && $origin->path;
1475		1867
		1868	cf::lock_wait "map_data:$path";#d#remove
1476	cf::lock_wait "map_find:$path";	1869	cf::lock_wait "map_find:$path";
1477		1870
1478	$cf::MAP{$path} || do {	1871	$cf::MAP{$path} || do {
1479	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
1480	my $map = new_from_path cf::map $path	1875	my $map = new_from_path cf::map $path
1481	or return;	1876	or return;
1482		1877
1483	$map->{last_save} = $cf::RUNTIME;	1878	$map->{last_save} = $cf::RUNTIME;
1484		1879
1485	$map->load_header	1880	$map->load_header
1486	or return;	1881	or return;
1487		1882
1488	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1883	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1489	# doing this can freeze the server in a sync job, obviously	1884	# doing this can freeze the server in a sync job, obviously
1490	#$cf::WAIT_FOR_TICK->wait;	1885	#$cf::WAIT_FOR_TICK->wait;
		1886	undef $guard1;
		1887	undef $guard2;
1491	$map->reset;	1888	$map->reset;
1492	undef $guard;
1493	return find $path;	1889	return find $path;
1494	}	1890	}
1495		1891
1496	$cf::MAP{$path} = $map	1892	$cf::MAP{$path} = $map
1497	}	1893	}
…		…
1506	local $self->{deny_reset} = 1; # loading can take a long time	1902	local $self->{deny_reset} = 1; # loading can take a long time
1507		1903
1508	my $path = $self->{path};	1904	my $path = $self->{path};
1509		1905
1510	{	1906	{
1511	my $guard = cf::lock_acquire "map_load:$path";	1907	my $guard = cf::lock_acquire "map_data:$path";
1512		1908
		1909	return unless $self->valid;
1513	return if $self->in_memory != cf::MAP_SWAPPED;	1910	return unless $self->in_memory == cf::MAP_SWAPPED;
1514		1911
1515	$self->in_memory (cf::MAP_LOADING);	1912	$self->in_memory (cf::MAP_LOADING);
1516		1913
1517	$self->alloc;	1914	$self->alloc;
1518		1915
1519	$self->pre_load;	1916	$self->pre_load;
1520	Coro::cede;	1917	cf::cede_to_tick;
1521		1918
		1919	my $f = new_from_file cf::object::thawer $self->{load_path};
		1920	$f->skip_block;
1522	$self->_load_objects ($self->{load_path}, 1)	1921	$self->_load_objects ($f)
1523	or return;	1922	or return;
1524		1923
1525	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1924	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1526	if delete $self->{load_original};	1925	if delete $self->{load_original};
1527		1926
1528	if (my $uniq = $self->uniq_path) {	1927	if (my $uniq = $self->uniq_path) {
1529	utf8::encode $uniq;	1928	utf8::encode $uniq;
1530	if (aio_open $uniq, O_RDONLY, 0) {	1929	unless (aio_stat $uniq) {
		1930	if (my $f = new_from_file cf::object::thawer $uniq) {
1531	$self->clear_unique_items;	1931	$self->clear_unique_items;
1532	$self->_load_objects ($uniq, 0);	1932	$self->_load_objects ($f);
		1933	$f->resolve_delayed_derefs;
		1934	}
1533	}	1935	}
1534	}	1936	}
1535		1937
1536	Coro::cede;	1938	$f->resolve_delayed_derefs;
		1939
		1940	cf::cede_to_tick;
1537	# now do the right thing for maps	1941	# now do the right thing for maps
1538	$self->link_multipart_objects;	1942	$self->link_multipart_objects;
1539	$self->difficulty ($self->estimate_difficulty)	1943	$self->difficulty ($self->estimate_difficulty)
1540	unless $self->difficulty;	1944	unless $self->difficulty;
1541	Coro::cede;	1945	cf::cede_to_tick;
1542		1946
1543	unless ($self->{deny_activate}) {	1947	unless ($self->{deny_activate}) {
1544	$self->decay_objects;	1948	$self->decay_objects;
1545	$self->fix_auto_apply;	1949	$self->fix_auto_apply;
1546	$self->update_buttons;	1950	$self->update_buttons;
1547	Coro::cede;	1951	cf::cede_to_tick;
1548	$self->set_darkness_map;	1952	$self->set_darkness_map;
1549	Coro::cede;	1953	cf::cede_to_tick;
1550	$self->activate;	1954	$self->activate;
1551	}	1955	}
		1956
		1957	$self->{last_save} = $cf::RUNTIME;
		1958	$self->last_access ($cf::RUNTIME);
1552		1959
1553	$self->in_memory (cf::MAP_IN_MEMORY);	1960	$self->in_memory (cf::MAP_IN_MEMORY);
1554	}	1961	}
1555		1962
1556	$self->post_load;	1963	$self->post_load;
…		…
1560	my ($self, $ob) = @_;	1967	my ($self, $ob) = @_;
1561		1968
1562	return find "~" . $ob->name . "/" . $self->{path}	1969	return find "~" . $ob->name . "/" . $self->{path}
1563	if $self->per_player;	1970	if $self->per_player;
1564		1971
		1972	# return find "?party/" . $ob->name . "/" . $self->{path}
		1973	# if $self->per_party;
		1974
1565	$self	1975	$self
1566	}	1976	}
1567		1977
1568	# find and load all maps in the 3x3 area around a map	1978	# find and load all maps in the 3x3 area around a map
1569	sub load_diag {	1979	sub load_neighbours {
1570	my ($map) = @_;	1980	my ($map) = @_;
1571		1981
1572	my @diag; # diagonal neighbours	1982	my @neigh; # diagonal neighbours
1573		1983
1574	for (0 .. 3) {	1984	for (0 .. 3) {
1575	my $neigh = $map->tile_path ($_)	1985	my $neigh = $map->tile_path ($_)
1576	or next;	1986	or next;
1577	$neigh = find $neigh, $map	1987	$neigh = find $neigh, $map
1578	or next;	1988	or next;
1579	$neigh->load;	1989	$neigh->load;
1580		1990
		1991	push @neigh,
1581	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1992	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1582	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1993	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1583	}	1994	}
1584		1995
1585	for (@diag) {	1996	for (grep defined $_->[0], @neigh) {
		1997	my ($path, $origin) = @$_;
1586	my $neigh = find @$_	1998	my $neigh = find $path, $origin
1587	or next;	1999	or next;
1588	$neigh->load;	2000	$neigh->load;
1589	}	2001	}
1590	}	2002	}
1591		2003
…		…
1596	}	2008	}
1597		2009
1598	sub do_load_sync {	2010	sub do_load_sync {
1599	my ($map) = @_;	2011	my ($map) = @_;
1600		2012
		2013	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2014	if $Coro::current == $Coro::main;
		2015
1601	cf::sync_job { $map->load };	2016	cf::sync_job { $map->load };
1602	}	2017	}
1603		2018
1604	our %MAP_PREFETCH;	2019	our %MAP_PREFETCH;
1605	our $MAP_PREFETCHER = undef;	2020	our $MAP_PREFETCHER = undef;
1606		2021
1607	sub find_async {	2022	sub find_async {
1608	my ($path, $origin) = @_;	2023	my ($path, $origin, $load) = @_;
1609		2024
1610	$path = normalise $path, $origin && $origin->{path};	2025	$path = normalise $path, $origin && $origin->{path};
1611		2026
1612	if (my $map = $cf::MAP{$path}) {	2027	if (my $map = $cf::MAP{$path}) {
1613	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2028	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1614	}	2029	}
1615		2030
1616	undef $MAP_PREFETCH{$path};	2031	$MAP_PREFETCH{$path} |= $load;
		2032
1617	$MAP_PREFETCHER ||= cf::async {	2033	$MAP_PREFETCHER ||= cf::async {
1618	while (%MAP_PREFETCH) {	2034	while (%MAP_PREFETCH) {
1619	for my $path (keys %MAP_PREFETCH) {	2035	while (my ($k, $v) = each %MAP_PREFETCH) {
1620	my $map = find $path	2036	if (my $map = find $k) {
1621	or next;
1622	$map->load;	2037	$map->load if $v;
		2038	}
1623		2039
1624	delete $MAP_PREFETCH{$path};	2040	delete $MAP_PREFETCH{$k};
1625	}	2041	}
1626	}	2042	}
1627	undef $MAP_PREFETCHER;	2043	undef $MAP_PREFETCHER;
1628	};	2044	};
1629	$MAP_PREFETCHER->prio (6);	2045	$MAP_PREFETCHER->prio (6);
…		…
1632	}	2048	}
1633		2049
1634	sub save {	2050	sub save {
1635	my ($self) = @_;	2051	my ($self) = @_;
1636		2052
1637	my $lock = cf::lock_acquire "map_data:" . $self->path;	2053	my $lock = cf::lock_acquire "map_data:$self->{path}";
1638		2054
1639	$self->{last_save} = $cf::RUNTIME;	2055	$self->{last_save} = $cf::RUNTIME;
1640		2056
1641	return unless $self->dirty;	2057	return unless $self->dirty;
1642		2058
…		…
1665	my ($self) = @_;	2081	my ($self) = @_;
1666		2082
1667	# save first because save cedes	2083	# save first because save cedes
1668	$self->save;	2084	$self->save;
1669		2085
1670	my $lock = cf::lock_acquire "map_data:" . $self->path;	2086	my $lock = cf::lock_acquire "map_data:$self->{path}";
1671		2087
1672	return if $self->players;	2088	return if $self->players;
1673	return if $self->in_memory != cf::MAP_IN_MEMORY;	2089	return if $self->in_memory != cf::MAP_IN_MEMORY;
1674	return if $self->{deny_save};	2090	return if $self->{deny_save};
1675		2091
		2092	$self->in_memory (cf::MAP_SWAPPED);
		2093
		2094	$self->deactivate;
		2095	$_->clear_links_to ($self) for values %cf::MAP;
1676	$self->clear;	2096	$self->clear;
1677	$self->in_memory (cf::MAP_SWAPPED);
1678	}	2097	}
1679		2098
1680	sub reset_at {	2099	sub reset_at {
1681	my ($self) = @_;	2100	my ($self) = @_;
1682		2101
1683	# TODO: safety, remove and allow resettable per-player maps	2102	# TODO: safety, remove and allow resettable per-player maps
1684	return 1e99 if $self->isa ("ext::map_per_player");#d#
1685	return 1e99 if $self->{deny_reset};	2103	return 1e99 if $self->{deny_reset};
1686		2104
1687	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2105	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1688	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2106	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1689		2107
…		…
1700	my ($self) = @_;	2118	my ($self) = @_;
1701		2119
1702	my $lock = cf::lock_acquire "map_data:$self->{path}";	2120	my $lock = cf::lock_acquire "map_data:$self->{path}";
1703		2121
1704	return if $self->players;	2122	return if $self->players;
1705	return if $self->isa ("ext::map_per_player");#d#
1706		2123
1707	warn "resetting map ", $self->path;#d#	2124	warn "resetting map ", $self->path;
1708		2125
1709	$self->in_memory (cf::MAP_SWAPPED);	2126	$self->in_memory (cf::MAP_SWAPPED);
1710		2127
1711	# need to save uniques path	2128	# need to save uniques path
1712	unless ($self->{deny_save}) {	2129	unless ($self->{deny_save}) {
…		…
1716	if $uniq;	2133	if $uniq;
1717	}	2134	}
1718		2135
1719	delete $cf::MAP{$self->path};	2136	delete $cf::MAP{$self->path};
1720		2137
		2138	$self->deactivate;
		2139	$_->clear_links_to ($self) for values %cf::MAP;
1721	$self->clear;	2140	$self->clear;
1722
1723	$_->clear_links_to ($self) for values %cf::MAP;
1724		2141
1725	$self->unlink_save;	2142	$self->unlink_save;
1726	$self->destroy;	2143	$self->destroy;
1727	}	2144	}
1728		2145
1729	my $nuke_counter = "aaaa";	2146	my $nuke_counter = "aaaa";
1730		2147
1731	sub nuke {	2148	sub nuke {
1732	my ($self) = @_;	2149	my ($self) = @_;
1733		2150
		2151	{
		2152	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2153
1734	delete $cf::MAP{$self->path};	2154	delete $cf::MAP{$self->path};
1735		2155
1736	$self->unlink_save;	2156	$self->unlink_save;
1737		2157
1738	bless $self, "cf::map";	2158	bless $self, "cf::map";
1739	delete $self->{deny_reset};	2159	delete $self->{deny_reset};
1740	$self->{deny_save} = 1;	2160	$self->{deny_save} = 1;
1741	$self->reset_timeout (1);	2161	$self->reset_timeout (1);
1742	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2162	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1743		2163
1744	$cf::MAP{$self->path} = $self;	2164	$cf::MAP{$self->path} = $self;
		2165	}
1745		2166
1746	$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	]
1747	}	2204	}
1748		2205
1749	=item cf::map::unique_maps	2206	=item cf::map::unique_maps
1750		2207
1751	Returns an arrayref of paths of all shared maps that have	2208	Returns an arrayref of paths of all shared maps that have
1752	instantiated unique items. May block.	2209	instantiated unique items. May block.
1753		2210
1754	=cut	2211	=cut
1755		2212
1756	sub unique_maps() {	2213	sub unique_maps() {
1757	my $files = aio_readdir $UNIQUEDIR	2214	[
1758	or return;	2215	map {
1759
1760	my @paths;
1761
1762	for (@$files) {
1763	utf8::decode $_;	2216	utf8::decode $_;
1764	next if /\.pst$/;	2217	/\.map$/
1765	next unless /^$PATH_SEP/o;	2218	? normalise $_
1766		2219	: ()
1767	push @paths, cf::map::normalise $_;	2220	} @{ aio_readdir $UNIQUEDIR or [] }
1768	}	2221	]
1769
1770	\@paths
1771	}	2222	}
1772		2223
1773	package cf;	2224	package cf;
1774		2225
1775	=back	2226	=back
…		…
1793	map { $_, inv_recursive_ $_->inv } @_	2244	map { $_, inv_recursive_ $_->inv } @_
1794	}	2245	}
1795		2246
1796	sub inv_recursive {	2247	sub inv_recursive {
1797	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	}
1798	}	2280	}
1799		2281
1800	package cf;	2282	package cf;
1801		2283
1802	=back	2284	=back
…		…
1821		2303
1822	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2304	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1823		2305
1824	if ($self->{record_replies}) {	2306	if ($self->{record_replies}) {
1825	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2307	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2308
1826	} 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 {
1827	$msg = $npc->name . " says: $msg" if $npc;	2317	$msg = $npc->name . " says: $msg" if $npc;
1828	$self->message ($msg, $flags);	2318	$self->message ($msg, $flags);
		2319	}
1829	}	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 (@_);
1830	}	2331	}
1831		2332
1832	=item $player_object->may ("access")	2333	=item $player_object->may ("access")
1833		2334
1834	Returns wether the given player is authorized to access resource "access"	2335	Returns wether the given player is authorized to access resource "access"
…		…
1881	$self->deactivate_recursive;	2382	$self->deactivate_recursive;
1882		2383
1883	return if UNIVERSAL::isa $self->map, "ext::map_link";	2384	return if UNIVERSAL::isa $self->map, "ext::map_link";
1884		2385
1885	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2386	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1886	if $self->map;	2387	if $self->map && $self->map->{path} ne "{link}";
1887		2388
1888	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2389	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1889	}	2390	}
1890		2391
1891	sub cf::object::player::leave_link {	2392	sub cf::object::player::leave_link {
1892	my ($self, $map, $x, $y) = @_;	2393	my ($self, $map, $x, $y) = @_;
		2394
		2395	return unless $self->contr->active;
1893		2396
1894	my $link_pos = delete $self->{_link_pos};	2397	my $link_pos = delete $self->{_link_pos};
1895		2398
1896	unless ($map) {	2399	unless ($map) {
1897	# restore original map position	2400	# restore original map position
…		…
1911	# use -1 or undef as default coordinates, not 0, 0	2414	# use -1 or undef as default coordinates, not 0, 0
1912	($x, $y) = ($map->enter_x, $map->enter_y)	2415	($x, $y) = ($map->enter_x, $map->enter_y)
1913	if $x <=0 && $y <= 0;	2416	if $x <=0 && $y <= 0;
1914		2417
1915	$map->load;	2418	$map->load;
1916	$map->load_diag;	2419	$map->load_neighbours;
1917		2420
1918	return unless $self->contr->active;	2421	return unless $self->contr->active;
1919	$self->activate_recursive;	2422	$self->activate_recursive;
1920		2423
1921	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2424	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1922	$self->enter_map ($map, $x, $y);	2425	$self->enter_map ($map, $x, $y);
1923	}	2426	}
1924		2427
1925	cf::player->attach (	2428	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1926	on_logout => sub {
1927	my ($pl) = @_;
1928		2429
1929	# abort map switching before logout	2430	Moves the player to the given map-path and coordinates by first freezing
1930	if ($pl->ob->{_link_pos}) {	2431	her, loading and preparing them map, calling the provided $check callback
1931	cf::sync_job {	2432	that has to return the map if sucecssful, and then unfreezes the player on
1932	$pl->ob->leave_link	2433	the new (success) or old (failed) map position. In either case, $done will
1933	};	2434	be called at the end of this process.
1934	}
1935	},
1936	on_login => sub {
1937	my ($pl) = @_;
1938		2435
1939	# try to abort aborted map switching on player login :)
1940	# should happen only on crashes
1941	if ($pl->ob->{_link_pos}) {
1942	$pl->ob->enter_link;
1943	(async {
1944	$pl->ob->reply (undef,
1945	"There was an internal problem at your last logout, "
1946	. "the server will try to bring you to your intended destination in a second.",
1947	cf::NDI_RED);
1948	# we need this sleep as the login has a concurrent enter_exit running
1949	# and this sleep increases chances of the player not ending up in scorn
1950	Coro::Timer::sleep 1;
1951	$pl->ob->leave_link;
1952	})->prio (2);
1953	}
1954	},
1955	);
1956
1957	=item $player_object->goto ($path, $x, $y)
1958
1959	=cut	2436	=cut
		2437
		2438	our $GOTOGEN;
1960		2439
1961	sub cf::object::player::goto {	2440	sub cf::object::player::goto {
1962	my ($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;
1963		2445
1964	$self->enter_link;	2446	$self->enter_link;
1965		2447
1966	(async {	2448	(async {
1967	my $map = eval {	2449	my $map = eval {
1968	my $map = cf::map::find $path;	2450	my $map = cf::map::find $path;
		2451
		2452	if ($map) {
1969	$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
1970	$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 $@;
1971	} or	2465	}
1972	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1973		2466
		2467	if ($gen == $self->{_goto_generation}) {
		2468	delete $self->{_goto_generation};
1974	$self->leave_link ($map, $x, $y);	2469	$self->leave_link ($map, $x, $y);
		2470	}
		2471
		2472	$done->() if $done;
1975	})->prio (1);	2473	})->prio (1);
1976	}	2474	}
1977		2475
1978	=item $player_object->enter_exit ($exit_object)	2476	=item $player_object->enter_exit ($exit_object)
1979		2477
…		…
2048	my $hp = $exit->stats->hp;	2546	my $hp = $exit->stats->hp;
2049	my $sp = $exit->stats->sp;	2547	my $sp = $exit->stats->sp;
2050		2548
2051	$self->enter_link;	2549	$self->enter_link;
2052		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
2053	(async {	2555	(async {
2054	$self->deactivate_recursive; # just to be sure	2556	$self->deactivate_recursive; # just to be sure
2055	unless (eval {	2557	unless (eval {
2056	$self->goto ($slaying, $hp, $sp);	2558	$self->goto ($slaying, $hp, $sp);
2057		2559
…		…
2084		2586
2085	utf8::encode $text;	2587	utf8::encode $text;
2086	$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);
2087	}	2589	}
2088		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
2089	=item $client->ext_event ($type, %msg)	2672	=item $client->ext_msg ($type, @msg)
2090		2673
2091	Sends an exti event to the client.	2674	Sends an ext event to the client.
2092		2675
2093	=cut	2676	=cut
2094		2677
2095	sub cf::client::ext_event($$%) {	2678	sub cf::client::ext_msg($$@) {
2096	my ($self, $type, %msg) = @_;	2679	my ($self, $type, @msg) = @_;
2097		2680
		2681	if ($self->extcmd == 2) {
		2682	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2683	} elsif ($self->extcmd == 1) { # TODO: remove
2098	$msg{msgtype} = "event_$type";	2684	push @msg, msgtype => "event_$type";
2099	$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	}
2100	}	2705	}
2101		2706
2102	=item $success = $client->query ($flags, "text", \&cb)	2707	=item $success = $client->query ($flags, "text", \&cb)
2103		2708
2104	Queues a query to the client, calling the given callback with	2709	Queues a query to the client, calling the given callback with
2105	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2710	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2106	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2711	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2107		2712
2108	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
2109	reliable at some point in the future.	2714	become reliable at some point in the future.
2110		2715
2111	=cut	2716	=cut
2112		2717
2113	sub cf::client::query {	2718	sub cf::client::query {
2114	my ($self, $flags, $text, $cb) = @_;	2719	my ($self, $flags, $text, $cb) = @_;
…		…
2122	utf8::encode $text;	2727	utf8::encode $text;
2123	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2728	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2124		2729
2125	$self->send_packet ($self->{query_queue}[0][0])	2730	$self->send_packet ($self->{query_queue}[0][0])
2126	if @{ $self->{query_queue} } == 1;	2731	if @{ $self->{query_queue} } == 1;
		2732
		2733	1
2127	}	2734	}
2128		2735
2129	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	},
2130	on_reply => sub {	2742	on_reply => sub {
2131	my ($ns, $msg) = @_;	2743	my ($ns, $msg) = @_;
2132		2744
2133	# this weird shuffling is so that direct followup queries	2745	# this weird shuffling is so that direct followup queries
2134	# get handled first	2746	# get handled first
…		…
2146	} else {	2758	} else {
2147	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2759	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2148	}	2760	}
2149	}	2761	}
2150	},	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	},
2151	);	2789	);
2152		2790
2153	=item $client->async (\&cb)	2791	=item $client->async (\&cb)
2154		2792
2155	Create a new coroutine, running the specified callback. The coroutine will	2793	Create a new coroutine, running the specified callback. The coroutine will
…		…
2196	our $safe = new Safe "safe";	2834	our $safe = new Safe "safe";
2197	our $safe_hole = new Safe::Hole;	2835	our $safe_hole = new Safe::Hole;
2198		2836
2199	$SIG{FPE} = 'IGNORE';	2837	$SIG{FPE} = 'IGNORE';
2200		2838
2201	$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	));
2202		2844
2203	# here we export the classes and methods available to script code	2845	# here we export the classes and methods available to script code
2204		2846
2205	=pod	2847	=pod
2206		2848
2207	The following functions and methods are available within a safe environment:	2849	The following functions and methods are available within a safe environment:
2208		2850
2209	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
2210	cf::object::player player	2855	cf::object::player
2211	cf::player peaceful	2856	player
2212	cf::map trigger	2857
		2858	cf::player
		2859	peaceful
		2860
		2861	cf::map
		2862	trigger
2213		2863
2214	=cut	2864	=cut
2215		2865
2216	for (	2866	for (
2217	["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)],
2218	["cf::object::player" => qw(player)],	2870	["cf::object::player" => qw(player)],
2219	["cf::player" => qw(peaceful)],	2871	["cf::player" => qw(peaceful)],
2220	["cf::map" => qw(trigger)],	2872	["cf::map" => qw(trigger)],
2221	) {	2873	) {
2222	no strict 'refs';	2874	no strict 'refs';
…		…
2293	=back	2945	=back
2294		2946
2295	=cut	2947	=cut
2296		2948
2297	#############################################################################	2949	#############################################################################
2298
2299	=head2 EXTENSION DATABASE SUPPORT
2300
2301	Crossfire maintains a very simple database for extension use. It can
2302	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2303	convert to/from binary).
2304
2305	The parameter C<$family> should best start with the name of the extension
2306	using it, it should be unique.
2307
2308	=over 4
2309
2310	=item $value = cf::db_get $family => $key
2311
2312	Returns a single value from the database.
2313
2314	=item cf::db_put $family => $key => $value
2315
2316	Stores the given C<$value> in the family.
2317
2318	=cut
2319
2320	our $DB;
2321
2322	sub db_init {
2323	unless ($DB) {
2324	$DB = BDB::db_create $DB_ENV;
2325
2326	cf::sync_job {
2327	eval {
2328	$DB->set_flags (BDB::CHKSUM);
2329
2330	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2331	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2332	cf::cleanup "db_open(db): $!" if $!;
2333	};
2334	cf::cleanup "db_open(db): $@" if $@;
2335	};
2336	}
2337	}
2338
2339	sub db_get($$) {
2340	my $key = "$_[0]/$_[1]";
2341
2342	cf::sync_job {
2343	BDB::db_get $DB, undef, $key, my $data;
2344
2345	$! ? ()
2346	: $data
2347	}
2348	}
2349
2350	sub db_put($$$) {
2351	BDB::dbreq_pri 4;
2352	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2353	}
2354
2355	=item cf::cache $id => [$paths...], $processversion => $process
2356
2357	Generic caching function that returns the value of the resource $id,
2358	caching and regenerating as required.
2359
2360	This function can block.
2361
2362	=cut
2363
2364	sub cache {
2365	my ($id, $src, $processversion, $process) = @_;
2366
2367	my $meta =
2368	join "\x00",
2369	$processversion,
2370	map {
2371	aio_stat $_
2372	and Carp::croak "$_: $!";
2373
2374	($_, (stat _)[7,9])
2375	} @$src;
2376
2377	my $dbmeta = db_get cache => "$id/meta";
2378	if ($dbmeta ne $meta) {
2379	# changed, we may need to process
2380
2381	my @data;
2382	my $md5;
2383
2384	for (0 .. $#$src) {
2385	0 <= aio_load $src->[$_], $data[$_]
2386	or Carp::croak "$src->[$_]: $!";
2387	}
2388
2389	# if processing is expensive, check
2390	# checksum first
2391	if (1) {
2392	$md5 =
2393	join "\x00",
2394	$processversion,
2395	map {
2396	Coro::cede;
2397	($src->[$_], Digest::MD5::md5_hex $data[$_])
2398	} 0.. $#$src;
2399
2400
2401	my $dbmd5 = db_get cache => "$id/md5";
2402	if ($dbmd5 eq $md5) {
2403	db_put cache => "$id/meta", $meta;
2404
2405	return db_get cache => "$id/data";
2406	}
2407	}
2408
2409	my $t1 = Time::HiRes::time;
2410	my $data = $process->(\@data);
2411	my $t2 = Time::HiRes::time;
2412
2413	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2414
2415	db_put cache => "$id/data", $data;
2416	db_put cache => "$id/md5" , $md5;
2417	db_put cache => "$id/meta", $meta;
2418
2419	return $data;
2420	}
2421
2422	db_get cache => "$id/data"
2423	}
2424
2425	=item fork_call { }, $args
2426
2427	Executes the given code block with the given arguments in a seperate
2428	process, returning the results. Everything must be serialisable with
2429	Coro::Storable. May, of course, block. Note that the executed sub may
2430	never block itself or use any form of Event handling.
2431
2432	=cut
2433
2434	sub fork_call(&@) {
2435	my ($cb, @args) = @_;
2436
2437	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2438	# or die "socketpair: $!";
2439	pipe my $fh1, my $fh2
2440	or die "pipe: $!";
2441
2442	if (my $pid = fork) {
2443	close $fh2;
2444
2445	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2446	$res = Coro::Storable::thaw $res;
2447
2448	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2449
2450	die $$res unless "ARRAY" eq ref $res;
2451
2452	return wantarray ? @$res : $res->[-1];
2453	} else {
2454	reset_signals;
2455	local $SIG{__WARN__};
2456	local $SIG{__DIE__};
2457	eval {
2458	close $fh1;
2459
2460	my @res = eval { $cb->(@args) };
2461	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2462	};
2463
2464	warn $@ if $@;
2465	_exit 0;
2466	}
2467	}
2468
2469
2470
2471	#############################################################################
2472	# the server's init and main functions	2950	# the server's init and main functions
2473		2951
2474	sub load_facedata($) {	2952	sub load_facedata($) {
2475	my ($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;
2476		2960
2477	warn "loading facedata from $path\n";	2961	warn "loading facedata from $path\n";
2478		2962
2479	my $facedata;	2963	my $facedata;
2480	0 < aio_load $path, $facedata	2964	0 < aio_load $path, $facedata
…		…
2483	$facedata = Coro::Storable::thaw $facedata;	2967	$facedata = Coro::Storable::thaw $facedata;
2484		2968
2485	$facedata->{version} == 2	2969	$facedata->{version} == 2
2486	or cf::cleanup "$path: version mismatch, cannot proceed.";	2970	or cf::cleanup "$path: version mismatch, cannot proceed.";
2487		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
2488	{	2979	{
2489	my $faces = $facedata->{faceinfo};	2980	my $faces = $facedata->{faceinfo};
2490		2981
2491	while (my ($face, $info) = each %$faces) {	2982	while (my ($face, $info) = each %$faces) {
2492	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2983	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2493	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2984	cf::face::set_visibility $idx, $info->{visibility};
		2985	cf::face::set_magicmap $idx, $info->{magicmap};
2494	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2986	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2495	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2987	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2496	Coro::cede;	2988
		2989	cf::cede_to_tick;
2497	}	2990	}
2498		2991
2499	while (my ($face, $info) = each %$faces) {	2992	while (my ($face, $info) = each %$faces) {
2500	next unless $info->{smooth};	2993	next unless $info->{smooth};
2501	my $idx = cf::face::find $face	2994	my $idx = cf::face::find $face
2502	or next;	2995	or next;
2503	if (my $smooth = cf::face::find $info->{smooth}) {	2996	if (my $smooth = cf::face::find $info->{smooth}) {
		2997	cf::face::set_smooth $idx, $smooth;
2504	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2998	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2505	} else {	2999	} else {
2506	warn "smooth face '$info->{smooth}' not found for face '$face'";	3000	warn "smooth face '$info->{smooth}' not found for face '$face'";
2507	}	3001	}
2508	Coro::cede;	3002
		3003	cf::cede_to_tick;
2509	}	3004	}
2510	}	3005	}
2511		3006
2512	{	3007	{
2513	my $anims = $facedata->{animinfo};	3008	my $anims = $facedata->{animinfo};
2514		3009
2515	while (my ($anim, $info) = each %$anims) {	3010	while (my ($anim, $info) = each %$anims) {
2516	cf::anim::set $anim, $info->{frames}, $info->{facings};	3011	cf::anim::set $anim, $info->{frames}, $info->{facings};
2517	Coro::cede;	3012	cf::cede_to_tick;
2518	}	3013	}
2519		3014
2520	cf::anim::invalidate_all; # d'oh	3015	cf::anim::invalidate_all; # d'oh
2521	}	3016	}
2522		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 => $face;
		3063	}
		3064	}
		3065	}
		3066
2523	1	3067	1
2524	}	3068	}
2525		3069
		3070	register_exticmd fx_want => sub {
		3071	my ($ns, $want) = @_;
		3072
		3073	while (my ($k, $v) = each %$want) {
		3074	$ns->fx_want ($k, $v);
		3075	}
		3076	};
		3077
2526	sub reload_regions {	3078	sub reload_regions {
		3079	# HACK to clear player env face cache, we need some signal framework
		3080	# for this (global event?)
		3081	%ext::player_env::MUSIC_FACE_CACHE = ();
		3082
2527	load_resource_file "$MAPDIR/regions"	3083	load_resource_file "$MAPDIR/regions"
2528	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 $_->{match};
		3089	}
2529	}	3090	}
2530		3091
2531	sub reload_facedata {	3092	sub reload_facedata {
2532	load_facedata "$DATADIR/facedata"	3093	load_facedata "$DATADIR/facedata"
2533	or die "unable to load facedata\n";	3094	or die "unable to load facedata\n";
2534	}	3095	}
2535		3096
2536	sub reload_archetypes {	3097	sub reload_archetypes {
2537	load_resource_file "$DATADIR/archetypes"	3098	load_resource_file "$DATADIR/archetypes"
2538	or die "unable to load archetypes\n";	3099	or die "unable to load archetypes\n";
		3100	#d# NEED to laod twice to resolve forward references
		3101	# this really needs to be done in an extra post-pass
		3102	# (which needs to be synchronous, so solve it differently)
		3103	load_resource_file "$DATADIR/archetypes"
		3104	or die "unable to load archetypes\n";
2539	}	3105	}
2540		3106
2541	sub reload_treasures {	3107	sub reload_treasures {
2542	load_resource_file "$DATADIR/treasures"	3108	load_resource_file "$DATADIR/treasures"
2543	or die "unable to load treasurelists\n";	3109	or die "unable to load treasurelists\n";
…		…
2546	sub reload_resources {	3112	sub reload_resources {
2547	warn "reloading resource files...\n";	3113	warn "reloading resource files...\n";
2548		3114
2549	reload_regions;	3115	reload_regions;
2550	reload_facedata;	3116	reload_facedata;
		3117	#reload_archetypes;#d#
2551	reload_archetypes;	3118	reload_archetypes;
2552	reload_treasures;	3119	reload_treasures;
2553		3120
2554	warn "finished reloading resource files\n";	3121	warn "finished reloading resource files\n";
2555	}	3122	}
2556		3123
2557	sub init {	3124	sub init {
2558	reload_resources;	3125	reload_resources;
2559	}	3126	}
2560		3127
2561	sub cfg_load {	3128	sub reload_config {
2562	open my $fh, "<:utf8", "$CONFDIR/config"	3129	open my $fh, "<:utf8", "$CONFDIR/config"
2563	or return;	3130	or return;
2564		3131
2565	local $/;	3132	local $/;
2566	*CFG = YAML::Syck::Load <$fh>;	3133	*CFG = YAML::Syck::Load <$fh>;
…		…
2586	(async {	3153	(async {
2587	Event::one_event;	3154	Event::one_event;
2588	})->prio (Coro::PRIO_MAX);	3155	})->prio (Coro::PRIO_MAX);
2589	};	3156	};
2590		3157
2591	cfg_load;	3158	reload_config;
2592	db_init;	3159	db_init;
2593	load_extensions;	3160	load_extensions;
2594		3161
2595	$TICK_WATCHER->start;	3162	$TICK_WATCHER->start;
2596	Event::loop;	3163	Event::loop;
…		…
2612	},	3179	},
2613	);	3180	);
2614	}	3181	}
2615	}	3182	}
2616		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
2617	sub emergency_save() {	3222	sub emergency_save() {
2618	my $freeze_guard = cf::freeze_mainloop;	3223	my $freeze_guard = cf::freeze_mainloop;
2619		3224
2620	warn "enter emergency perl save\n";	3225	warn "enter emergency perl save\n";
2621		3226
…		…
2696	%EXT_CORO = ();	3301	%EXT_CORO = ();
2697		3302
2698	warn "removing commands";	3303	warn "removing commands";
2699	%COMMAND = ();	3304	%COMMAND = ();
2700		3305
2701	warn "removing ext commands";	3306	warn "removing ext/exti commands";
2702	%EXTCMD = ();	3307	%EXTCMD = ();
		3308	%EXTICMD = ();
2703		3309
2704	warn "unloading/nuking all extensions";	3310	warn "unloading/nuking all extensions";
2705	for my $pkg (@EXTS) {	3311	for my $pkg (@EXTS) {
2706	warn "... unloading $pkg";	3312	warn "... unloading $pkg";
2707		3313
…		…
2750	warn "reloading cf.pm";	3356	warn "reloading cf.pm";
2751	require cf;	3357	require cf;
2752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3358	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2753		3359
2754	warn "loading config and database again";	3360	warn "loading config and database again";
2755	cf::cfg_load;	3361	cf::reload_config;
2756		3362
2757	warn "loading extensions";	3363	warn "loading extensions";
2758	cf::load_extensions;	3364	cf::load_extensions;
2759		3365
2760	warn "reattaching attachments to objects/players";	3366	warn "reattaching attachments to objects/players";
…		…
2825	my $signal = new Coro::Signal;	3431	my $signal = new Coro::Signal;
2826	push @WAIT_FOR_TICK_BEGIN, $signal;	3432	push @WAIT_FOR_TICK_BEGIN, $signal;
2827	$signal->wait;	3433	$signal->wait;
2828	}	3434	}
2829		3435
		3436	my $min = 1e6;#d#
		3437	my $avg = 10;
2830	$TICK_WATCHER = Event->timer (	3438	$TICK_WATCHER = Event->timer (
2831	reentrant => 0,	3439	reentrant => 0,
2832	parked => 1,	3440	parked => 1,
2833	prio => 0,	3441	prio => 0,
2834	at => $NEXT_TICK || $TICK,	3442	at => $NEXT_TICK || $TICK,
…		…
2838	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3446	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2839	unless ++$bug_warning > 10;	3447	unless ++$bug_warning > 10;
2840	return;	3448	return;
2841	}	3449	}
2842		3450
2843	$NOW = Event::time;	3451	$NOW = $tick_start = Event::time;
2844		3452
2845	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	};
2846		3477
2847	$RUNTIME += $TICK;	3478	$RUNTIME += $TICK;
2848	$NEXT_TICK += $TICK;	3479	$NEXT_TICK += $TICK;
2849		3480
2850	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3481	if ($NOW >= $NEXT_RUNTIME_WRITE) {
…		…
2856	}	3487	}
2857		3488
2858	# my $AFTER = Event::time;	3489	# my $AFTER = Event::time;
2859	# warn $AFTER - $NOW;#d#	3490	# warn $AFTER - $NOW;#d#
2860		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
2861	# 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
2862	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3502	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2863		3503
2864	$TICK_WATCHER->at ($NEXT_TICK);	3504	$TICK_WATCHER->at ($NEXT_TICK);
2865	$TICK_WATCHER->start;	3505	$TICK_WATCHER->start;
2866		3506
2867	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3507	$LOAD = ($NOW - $tick_start) / $TICK;
2868	$sig->send;	3508	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2869	}
2870	while (my $sig = shift @WAIT_FOR_TICK) {
2871	$sig->send;
2872	}
2873		3509
2874	_post_tick;	3510	_post_tick;
		3511
		3512
2875	},	3513	},
2876	);	3514	);
2877		3515
2878	{	3516	{
2879	BDB::max_poll_time $TICK * 0.1;	3517	BDB::max_poll_time $TICK * 0.1;

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