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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 1.360 by root, Sun Sep 9 06:25:46 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	#############################################################################
		1265
		1266	=back
960		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
…		…
1014	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1321	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1015	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1322	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1016	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1323	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1017	aio_unlink +(playerdir $login) . "/$login.pl";	1324	aio_unlink +(playerdir $login) . "/$login.pl";
1018		1325
1019	my $pl = load_pl path $login	1326	my $f = new_from_file cf::object::thawer path $login
1020	or return;	1327	or return;
		1328
		1329	$f->next;
		1330	my $pl = cf::player::load_pl $f
		1331	or return;
		1332	local $cf::PLAYER_LOADING{$login} = $pl;
		1333	$f->resolve_delayed_derefs;
1021	$cf::PLAYER{$login} = $pl	1334	$cf::PLAYER{$login} = $pl
1022	}	1335	}
1023	}	1336	}
1024	}	1337	}
1025		1338
…		…
1035		1348
1036	aio_mkdir playerdir $pl, 0770;	1349	aio_mkdir playerdir $pl, 0770;
1037	$pl->{last_save} = $cf::RUNTIME;	1350	$pl->{last_save} = $cf::RUNTIME;
1038		1351
1039	$pl->save_pl ($path);	1352	$pl->save_pl ($path);
1040	Coro::cede;	1353	cf::cede_to_tick;
1041	}	1354	}
1042		1355
1043	sub new($) {	1356	sub new($) {
1044	my ($login) = @_;	1357	my ($login) = @_;
1045		1358
…		…
1049	$self->{deny_save} = 1;	1362	$self->{deny_save} = 1;
1050		1363
1051	$cf::PLAYER{$login} = $self;	1364	$cf::PLAYER{$login} = $self;
1052		1365
1053	$self	1366	$self
		1367	}
		1368
		1369	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1370
		1371	=cut
		1372
		1373	sub send_msg {
		1374	my $ns = shift->ns
		1375	or return;
		1376	$ns->send_msg (@_);
1054	}	1377	}
1055		1378
1056	=item $pl->quit_character	1379	=item $pl->quit_character
1057		1380
1058	Nukes the player without looking back. If logged in, the connection will	1381	Nukes the player without looking back. If logged in, the connection will
…		…
1113	or return [];	1436	or return [];
1114		1437
1115	my @logins;	1438	my @logins;
1116		1439
1117	for my $login (@$dirs) {	1440	for my $login (@$dirs) {
		1441	my $path = path $login;
		1442
		1443	# a .pst is a dead give-away for a valid player
		1444	unless (-e "$path.pst") {
1118	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1445	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1119	aio_read $fh, 0, 512, my $buf, 0 or next;	1446	aio_read $fh, 0, 512, my $buf, 0 or next;
1120	$buf !~ /^password -------------$/m or next; # official not-valid tag	1447	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1448	}
1121		1449
1122	utf8::decode $login;	1450	utf8::decode $login;
1123	push @logins, $login;	1451	push @logins, $login;
1124	}	1452	}
1125		1453
…		…
1152	}	1480	}
1153		1481
1154	\@paths	1482	\@paths
1155	}	1483	}
1156		1484
		1485	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1486
		1487	Expand crossfire pod fragments into protocol xml.
		1488
		1489	=cut
		1490
		1491	sub expand_cfpod {
		1492	((my $self), (local $_)) = @_;
		1493
		1494	# escape & and <
		1495	s/&/&amp;/g;
		1496	s/(?<![BIUGHT])</&lt;/g;
		1497
		1498	# this is buggy, it needs to properly take care of nested <'s
		1499
		1500	1 while
		1501	# replace B<>, I<>, U<> etc.
		1502	s/B<([^\>]*)>/<b>$1<\/b>/
		1503	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1504	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1505	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1506	# replace G<male|female> tags
		1507	|| s{G<([^>|]*)\|([^>]*)>}{
		1508	$self->gender ? $2 : $1
		1509	}ge
		1510	# replace H<hint text>
		1511	|| s{H<([^\>]*)>}
		1512	{
		1513	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1514	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1515	"")
		1516	[$self->{hintmode}]
		1517	}ge;
		1518
		1519	# create single paragraphs (very hackish)
		1520	s/(?<=\S)\n(?=\w)/ /g;
		1521
		1522	# compress some whitespace
		1523	s/\s+\n/\n/g; # ws line-ends
		1524	s/\n\n+/\n/g; # double lines
		1525	s/^\n+//; # beginning lines
		1526	s/\n+$//; # ending lines
		1527
		1528	$_
		1529	}
		1530
		1531	sub hintmode {
		1532	$_[0]{hintmode} = $_[1] if @_ > 1;
		1533	$_[0]{hintmode}
		1534	}
		1535
1157	=item $player->ext_reply ($msgid, %msg)	1536	=item $player->ext_reply ($msgid, @msg)
1158		1537
1159	Sends an ext reply to the player.	1538	Sends an ext reply to the player.
1160		1539
1161	=cut	1540	=cut
1162		1541
1163	sub ext_reply($$%) {	1542	sub ext_reply($$@) {
1164	my ($self, $id, %msg) = @_;	1543	my ($self, $id, @msg) = @_;
1165		1544
1166	$msg{msgid} = $id;	1545	$self->ns->ext_reply ($id, @msg)
1167
1168	$self->send ("ext " . cf::to_json \%msg);
1169	}	1546	}
1170		1547
1171	=item $player->ext_event ($type, %msg)	1548	=item $player->ext_msg ($type, @msg)
1172		1549
1173	Sends an ext event to the client.	1550	Sends an ext event to the client.
1174		1551
1175	=cut	1552	=cut
1176		1553
1177	sub ext_event($$%) {	1554	sub ext_msg($$@) {
1178	my ($self, $type, %msg) = @_;	1555	my ($self, $type, @msg) = @_;
1179		1556
1180	$self->ns->ext_event ($type, %msg);	1557	$self->ns->ext_msg ($type, @msg);
1181	}	1558	}
1182		1559
1183	=head3 cf::region	1560	=head3 cf::region
1184		1561
1185	=over 4	1562	=over 4
…		…
1188		1565
1189	package cf::region;	1566	package cf::region;
1190		1567
1191	=item cf::region::find_by_path $path	1568	=item cf::region::find_by_path $path
1192		1569
1193	Tries to decuce the probable region for a map knowing only its path.	1570	Tries to decuce the likely region for a map knowing only its path.
1194		1571
1195	=cut	1572	=cut
1196		1573
1197	sub find_by_path($) {	1574	sub find_by_path($) {
1198	my ($path) = @_;	1575	my ($path) = @_;
1199		1576
1200	my ($match, $specificity);	1577	my ($match, $specificity);
1201		1578
1202	for my $region (list) {	1579	for my $region (list) {
1203	if ($region->match && $path =~ $region->match) {	1580	if ($region->{match} && $path =~ $region->{match}) {
1204	($match, $specificity) = ($region, $region->specificity)	1581	($match, $specificity) = ($region, $region->specificity)
1205	if $region->specificity > $specificity;	1582	if $region->specificity > $specificity;
1206	}	1583	}
1207	}	1584	}
1208		1585
…		…
1272	my ($self, $merge) = @_;	1649	my ($self, $merge) = @_;
1273		1650
1274	# we have to keep some variables in memory intact	1651	# we have to keep some variables in memory intact
1275	local $self->{path};	1652	local $self->{path};
1276	local $self->{load_path};	1653	local $self->{load_path};
1277	local $self->{deny_save};
1278	local $self->{deny_reset};
1279		1654
1280	$self->SUPER::thawer_merge ($merge);	1655	$self->SUPER::thawer_merge ($merge);
1281	}	1656	}
1282		1657
1283	sub normalise {	1658	sub normalise {
…		…
1330	$self->init; # pass $1 etc.	1705	$self->init; # pass $1 etc.
1331	return $self;	1706	return $self;
1332	}	1707	}
1333	}	1708	}
1334		1709
1335	Carp::carp "unable to resolve path '$path' (base '$base').";	1710	Carp::cluck "unable to resolve path '$path' (base '$base').";
1336	()	1711	()
1337	}	1712	}
1338		1713
1339	sub init {	1714	sub init {
1340	my ($self) = @_;	1715	my ($self) = @_;
…		…
1383		1758
1384	$_->change_map_light ($change)	1759	$_->change_map_light ($change)
1385	for grep $_->outdoor, values %cf::MAP;	1760	for grep $_->outdoor, values %cf::MAP;
1386	}	1761	}
1387		1762
		1763	sub decay_objects {
		1764	my ($self) = @_;
		1765
		1766	return if $self->{deny_reset};
		1767
		1768	$self->do_decay_objects;
		1769	}
		1770
1388	sub unlink_save {	1771	sub unlink_save {
1389	my ($self) = @_;	1772	my ($self) = @_;
1390		1773
1391	utf8::encode (my $save = $self->save_path);	1774	utf8::encode (my $save = $self->save_path);
1392	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1775	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1395		1778
1396	sub load_header_from($) {	1779	sub load_header_from($) {
1397	my ($self, $path) = @_;	1780	my ($self, $path) = @_;
1398		1781
1399	utf8::encode $path;	1782	utf8::encode $path;
1400	#aio_open $path, O_RDONLY, 0	1783	my $f = new_from_file cf::object::thawer $path
1401	# or return;
1402
1403	$self->_load_header ($path)
1404	or return;	1784	or return;
		1785
		1786	$self->_load_header ($f)
		1787	or return;
		1788
		1789	local $MAP_LOADING{$self->{path}} = $self;
		1790	$f->resolve_delayed_derefs;
1405		1791
1406	$self->{load_path} = $path;	1792	$self->{load_path} = $path;
1407		1793
1408	1	1794	1
1409	}	1795	}
…		…
1448	$self->load_header_orig	1834	$self->load_header_orig
1449	or return;	1835	or return;
1450	$self->prepare_orig;	1836	$self->prepare_orig;
1451	}	1837	}
1452		1838
		1839	$self->{deny_reset} = 1
		1840	if $self->no_reset;
		1841
1453	$self->default_region (cf::region::find_by_path $self->{path})	1842	$self->default_region (cf::region::find_by_path $self->{path})
1454	unless $self->default_region;	1843	unless $self->default_region;
1455		1844
1456	1	1845	1
1457	}	1846	}
…		…
1460	sub find {	1849	sub find {
1461	my ($path, $origin) = @_;	1850	my ($path, $origin) = @_;
1462		1851
1463	$path = normalise $path, $origin && $origin->path;	1852	$path = normalise $path, $origin && $origin->path;
1464		1853
		1854	cf::lock_wait "map_data:$path";#d#remove
1465	cf::lock_wait "map_find:$path";	1855	cf::lock_wait "map_find:$path";
1466		1856
1467	$cf::MAP{$path} || do {	1857	$cf::MAP{$path} || do {
1468	my $guard = cf::lock_acquire "map_find:$path";	1858	my $guard1 = cf::lock_acquire "map_find:$path";
		1859	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1860
1469	my $map = new_from_path cf::map $path	1861	my $map = new_from_path cf::map $path
1470	or return;	1862	or return;
1471		1863
1472	$map->{last_save} = $cf::RUNTIME;	1864	$map->{last_save} = $cf::RUNTIME;
1473		1865
1474	$map->load_header	1866	$map->load_header
1475	or return;	1867	or return;
1476		1868
1477	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1869	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1478	# doing this can freeze the server in a sync job, obviously	1870	# doing this can freeze the server in a sync job, obviously
1479	#$cf::WAIT_FOR_TICK->wait;	1871	#$cf::WAIT_FOR_TICK->wait;
		1872	undef $guard1;
		1873	undef $guard2;
1480	$map->reset;	1874	$map->reset;
1481	undef $guard;
1482	return find $path;	1875	return find $path;
1483	}	1876	}
1484		1877
1485	$cf::MAP{$path} = $map	1878	$cf::MAP{$path} = $map
1486	}	1879	}
…		…
1495	local $self->{deny_reset} = 1; # loading can take a long time	1888	local $self->{deny_reset} = 1; # loading can take a long time
1496		1889
1497	my $path = $self->{path};	1890	my $path = $self->{path};
1498		1891
1499	{	1892	{
1500	my $guard = cf::lock_acquire "map_load:$path";	1893	my $guard = cf::lock_acquire "map_data:$path";
1501		1894
		1895	return unless $self->valid;
1502	return if $self->in_memory != cf::MAP_SWAPPED;	1896	return unless $self->in_memory == cf::MAP_SWAPPED;
1503		1897
1504	$self->in_memory (cf::MAP_LOADING);	1898	$self->in_memory (cf::MAP_LOADING);
1505		1899
1506	$self->alloc;	1900	$self->alloc;
1507		1901
1508	$self->pre_load;	1902	$self->pre_load;
1509	Coro::cede;	1903	cf::cede_to_tick;
1510		1904
		1905	my $f = new_from_file cf::object::thawer $self->{load_path};
		1906	$f->skip_block;
1511	$self->_load_objects ($self->{load_path}, 1)	1907	$self->_load_objects ($f)
1512	or return;	1908	or return;
1513		1909
1514	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1910	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1515	if delete $self->{load_original};	1911	if delete $self->{load_original};
1516		1912
1517	if (my $uniq = $self->uniq_path) {	1913	if (my $uniq = $self->uniq_path) {
1518	utf8::encode $uniq;	1914	utf8::encode $uniq;
1519	if (aio_open $uniq, O_RDONLY, 0) {	1915	unless (aio_stat $uniq) {
		1916	if (my $f = new_from_file cf::object::thawer $uniq) {
1520	$self->clear_unique_items;	1917	$self->clear_unique_items;
1521	$self->_load_objects ($uniq, 0);	1918	$self->_load_objects ($f);
		1919	$f->resolve_delayed_derefs;
		1920	}
1522	}	1921	}
1523	}	1922	}
1524		1923
1525	Coro::cede;	1924	$f->resolve_delayed_derefs;
		1925
		1926	cf::cede_to_tick;
1526	# now do the right thing for maps	1927	# now do the right thing for maps
1527	$self->link_multipart_objects;	1928	$self->link_multipart_objects;
1528	$self->difficulty ($self->estimate_difficulty)	1929	$self->difficulty ($self->estimate_difficulty)
1529	unless $self->difficulty;	1930	unless $self->difficulty;
1530	Coro::cede;	1931	cf::cede_to_tick;
1531		1932
1532	unless ($self->{deny_activate}) {	1933	unless ($self->{deny_activate}) {
1533	$self->decay_objects;	1934	$self->decay_objects;
1534	$self->fix_auto_apply;	1935	$self->fix_auto_apply;
1535	$self->update_buttons;	1936	$self->update_buttons;
1536	Coro::cede;	1937	cf::cede_to_tick;
1537	$self->set_darkness_map;	1938	$self->set_darkness_map;
1538	Coro::cede;	1939	cf::cede_to_tick;
1539	$self->activate;	1940	$self->activate;
1540	}	1941	}
		1942
		1943	$self->{last_save} = $cf::RUNTIME;
		1944	$self->last_access ($cf::RUNTIME);
1541		1945
1542	$self->in_memory (cf::MAP_IN_MEMORY);	1946	$self->in_memory (cf::MAP_IN_MEMORY);
1543	}	1947	}
1544		1948
1545	$self->post_load;	1949	$self->post_load;
…		…
1549	my ($self, $ob) = @_;	1953	my ($self, $ob) = @_;
1550		1954
1551	return find "~" . $ob->name . "/" . $self->{path}	1955	return find "~" . $ob->name . "/" . $self->{path}
1552	if $self->per_player;	1956	if $self->per_player;
1553		1957
		1958	# return find "?party/" . $ob->name . "/" . $self->{path}
		1959	# if $self->per_party;
		1960
1554	$self	1961	$self
1555	}	1962	}
1556		1963
1557	# find and load all maps in the 3x3 area around a map	1964	# find and load all maps in the 3x3 area around a map
1558	sub load_diag {	1965	sub load_neighbours {
1559	my ($map) = @_;	1966	my ($map) = @_;
1560		1967
1561	my @diag; # diagonal neighbours	1968	my @neigh; # diagonal neighbours
1562		1969
1563	for (0 .. 3) {	1970	for (0 .. 3) {
1564	my $neigh = $map->tile_path ($_)	1971	my $neigh = $map->tile_path ($_)
1565	or next;	1972	or next;
1566	$neigh = find $neigh, $map	1973	$neigh = find $neigh, $map
1567	or next;	1974	or next;
1568	$neigh->load;	1975	$neigh->load;
1569		1976
		1977	push @neigh,
1570	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1978	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1571	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1979	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1572	}	1980	}
1573		1981
1574	for (@diag) {	1982	for (grep defined $_->[0], @neigh) {
		1983	my ($path, $origin) = @$_;
1575	my $neigh = find @$_	1984	my $neigh = find $path, $origin
1576	or next;	1985	or next;
1577	$neigh->load;	1986	$neigh->load;
1578	}	1987	}
1579	}	1988	}
1580		1989
…		…
1585	}	1994	}
1586		1995
1587	sub do_load_sync {	1996	sub do_load_sync {
1588	my ($map) = @_;	1997	my ($map) = @_;
1589		1998
		1999	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2000	if $Coro::current == $Coro::main;
		2001
1590	cf::sync_job { $map->load };	2002	cf::sync_job { $map->load };
1591	}	2003	}
1592		2004
1593	our %MAP_PREFETCH;	2005	our %MAP_PREFETCH;
1594	our $MAP_PREFETCHER = undef;	2006	our $MAP_PREFETCHER = undef;
1595		2007
1596	sub find_async {	2008	sub find_async {
1597	my ($path, $origin) = @_;	2009	my ($path, $origin, $load) = @_;
1598		2010
1599	$path = normalise $path, $origin && $origin->{path};	2011	$path = normalise $path, $origin && $origin->{path};
1600		2012
1601	if (my $map = $cf::MAP{$path}) {	2013	if (my $map = $cf::MAP{$path}) {
1602	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2014	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1603	}	2015	}
1604		2016
1605	undef $MAP_PREFETCH{$path};	2017	$MAP_PREFETCH{$path} |= $load;
		2018
1606	$MAP_PREFETCHER ||= cf::async {	2019	$MAP_PREFETCHER ||= cf::async {
1607	while (%MAP_PREFETCH) {	2020	while (%MAP_PREFETCH) {
1608	for my $path (keys %MAP_PREFETCH) {	2021	while (my ($k, $v) = each %MAP_PREFETCH) {
1609	my $map = find $path	2022	if (my $map = find $k) {
1610	or next;
1611	$map->load;	2023	$map->load if $v;
		2024	}
1612		2025
1613	delete $MAP_PREFETCH{$path};	2026	delete $MAP_PREFETCH{$k};
1614	}	2027	}
1615	}	2028	}
1616	undef $MAP_PREFETCHER;	2029	undef $MAP_PREFETCHER;
1617	};	2030	};
1618	$MAP_PREFETCHER->prio (6);	2031	$MAP_PREFETCHER->prio (6);
…		…
1621	}	2034	}
1622		2035
1623	sub save {	2036	sub save {
1624	my ($self) = @_;	2037	my ($self) = @_;
1625		2038
1626	my $lock = cf::lock_acquire "map_data:" . $self->path;	2039	my $lock = cf::lock_acquire "map_data:$self->{path}";
1627		2040
1628	$self->{last_save} = $cf::RUNTIME;	2041	$self->{last_save} = $cf::RUNTIME;
1629		2042
1630	return unless $self->dirty;	2043	return unless $self->dirty;
1631		2044
…		…
1654	my ($self) = @_;	2067	my ($self) = @_;
1655		2068
1656	# save first because save cedes	2069	# save first because save cedes
1657	$self->save;	2070	$self->save;
1658		2071
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;	2072	my $lock = cf::lock_acquire "map_data:$self->{path}";
1660		2073
1661	return if $self->players;	2074	return if $self->players;
1662	return if $self->in_memory != cf::MAP_IN_MEMORY;	2075	return if $self->in_memory != cf::MAP_IN_MEMORY;
1663	return if $self->{deny_save};	2076	return if $self->{deny_save};
1664		2077
		2078	$self->in_memory (cf::MAP_SWAPPED);
		2079
		2080	$self->deactivate;
		2081	$_->clear_links_to ($self) for values %cf::MAP;
1665	$self->clear;	2082	$self->clear;
1666	$self->in_memory (cf::MAP_SWAPPED);
1667	}	2083	}
1668		2084
1669	sub reset_at {	2085	sub reset_at {
1670	my ($self) = @_;	2086	my ($self) = @_;
1671		2087
1672	# TODO: safety, remove and allow resettable per-player maps	2088	# 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};	2089	return 1e99 if $self->{deny_reset};
1675		2090
1676	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2091	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1677	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2092	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1678		2093
…		…
1689	my ($self) = @_;	2104	my ($self) = @_;
1690		2105
1691	my $lock = cf::lock_acquire "map_data:$self->{path}";	2106	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2107
1693	return if $self->players;	2108	return if $self->players;
1694	return if $self->isa ("ext::map_per_player");#d#
1695		2109
1696	warn "resetting map ", $self->path;#d#	2110	warn "resetting map ", $self->path;
1697		2111
1698	$self->in_memory (cf::MAP_SWAPPED);	2112	$self->in_memory (cf::MAP_SWAPPED);
1699		2113
1700	# need to save uniques path	2114	# need to save uniques path
1701	unless ($self->{deny_save}) {	2115	unless ($self->{deny_save}) {
…		…
1705	if $uniq;	2119	if $uniq;
1706	}	2120	}
1707		2121
1708	delete $cf::MAP{$self->path};	2122	delete $cf::MAP{$self->path};
1709		2123
		2124	$self->deactivate;
		2125	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2126	$self->clear;
1711
1712	$_->clear_links_to ($self) for values %cf::MAP;
1713		2127
1714	$self->unlink_save;	2128	$self->unlink_save;
1715	$self->destroy;	2129	$self->destroy;
1716	}	2130	}
1717		2131
1718	my $nuke_counter = "aaaa";	2132	my $nuke_counter = "aaaa";
1719		2133
1720	sub nuke {	2134	sub nuke {
1721	my ($self) = @_;	2135	my ($self) = @_;
1722		2136
		2137	{
		2138	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2139
1723	delete $cf::MAP{$self->path};	2140	delete $cf::MAP{$self->path};
1724		2141
1725	$self->unlink_save;	2142	$self->unlink_save;
1726		2143
1727	bless $self, "cf::map";	2144	bless $self, "cf::map";
1728	delete $self->{deny_reset};	2145	delete $self->{deny_reset};
1729	$self->{deny_save} = 1;	2146	$self->{deny_save} = 1;
1730	$self->reset_timeout (1);	2147	$self->reset_timeout (1);
1731	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2148	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1732		2149
1733	$cf::MAP{$self->path} = $self;	2150	$cf::MAP{$self->path} = $self;
		2151	}
1734		2152
1735	$self->reset; # polite request, might not happen	2153	$self->reset; # polite request, might not happen
		2154	}
		2155
		2156	=item $maps = cf::map::tmp_maps
		2157
		2158	Returns an arrayref with all map paths of currently instantiated and saved
		2159	maps. May block.
		2160
		2161	=cut
		2162
		2163	sub tmp_maps() {
		2164	[
		2165	map {
		2166	utf8::decode $_;
		2167	/\.map$/
		2168	? normalise $_
		2169	: ()
		2170	} @{ aio_readdir $TMPDIR or [] }
		2171	]
		2172	}
		2173
		2174	=item $maps = cf::map::random_maps
		2175
		2176	Returns an arrayref with all map paths of currently instantiated and saved
		2177	random maps. May block.
		2178
		2179	=cut
		2180
		2181	sub random_maps() {
		2182	[
		2183	map {
		2184	utf8::decode $_;
		2185	/\.map$/
		2186	? normalise "?random/$_"
		2187	: ()
		2188	} @{ aio_readdir $RANDOMDIR or [] }
		2189	]
1736	}	2190	}
1737		2191
1738	=item cf::map::unique_maps	2192	=item cf::map::unique_maps
1739		2193
1740	Returns an arrayref of paths of all shared maps that have	2194	Returns an arrayref of paths of all shared maps that have
1741	instantiated unique items. May block.	2195	instantiated unique items. May block.
1742		2196
1743	=cut	2197	=cut
1744		2198
1745	sub unique_maps() {	2199	sub unique_maps() {
1746	my $files = aio_readdir $UNIQUEDIR	2200	[
1747	or return;	2201	map {
1748
1749	my @paths;
1750
1751	for (@$files) {
1752	utf8::decode $_;	2202	utf8::decode $_;
1753	next if /\.pst$/;	2203	/\.map$/
1754	next unless /^$PATH_SEP/o;	2204	? normalise $_
1755		2205	: ()
1756	push @paths, cf::map::normalise $_;	2206	} @{ aio_readdir $UNIQUEDIR or [] }
1757	}	2207	]
1758
1759	\@paths
1760	}	2208	}
1761		2209
1762	package cf;	2210	package cf;
1763		2211
1764	=back	2212	=back
…		…
1782	map { $_, inv_recursive_ $_->inv } @_	2230	map { $_, inv_recursive_ $_->inv } @_
1783	}	2231	}
1784		2232
1785	sub inv_recursive {	2233	sub inv_recursive {
1786	inv_recursive_ inv $_[0]	2234	inv_recursive_ inv $_[0]
		2235	}
		2236
		2237	=item $ref = $ob->ref
		2238
		2239	creates and returns a persistent reference to an objetc that can be stored as a string.
		2240
		2241	=item $ob = cf::object::deref ($refstring)
		2242
		2243	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2244	even if the object actually exists. May block.
		2245
		2246	=cut
		2247
		2248	sub deref {
		2249	my ($ref) = @_;
		2250
		2251	# temporary compatibility#TODO#remove
		2252	$ref =~ s{^<}{player/<};
		2253
		2254	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2255	my ($uuid, $name) = ($1, $2);
		2256	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2257	or return;
		2258	$pl->ob->uuid eq $uuid
		2259	or return;
		2260
		2261	$pl->ob
		2262	} else {
		2263	warn "$ref: cannot resolve object reference\n";
		2264	undef
		2265	}
1787	}	2266	}
1788		2267
1789	package cf;	2268	package cf;
1790		2269
1791	=back	2270	=back
…		…
1810		2289
1811	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2290	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1812		2291
1813	if ($self->{record_replies}) {	2292	if ($self->{record_replies}) {
1814	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2293	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2294
1815	} else {	2295	} else {
		2296	my $pl = $self->contr;
		2297
		2298	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2299	my $dialog = $pl->{npc_dialog};
		2300	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2301
		2302	} else {
1816	$msg = $npc->name . " says: $msg" if $npc;	2303	$msg = $npc->name . " says: $msg" if $npc;
1817	$self->message ($msg, $flags);	2304	$self->message ($msg, $flags);
		2305	}
1818	}	2306	}
		2307	}
		2308
		2309	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2310
		2311	=cut
		2312
		2313	sub cf::object::send_msg {
		2314	my $pl = shift->contr
		2315	or return;
		2316	$pl->send_msg (@_);
1819	}	2317	}
1820		2318
1821	=item $player_object->may ("access")	2319	=item $player_object->may ("access")
1822		2320
1823	Returns wether the given player is authorized to access resource "access"	2321	Returns wether the given player is authorized to access resource "access"
…		…
1870	$self->deactivate_recursive;	2368	$self->deactivate_recursive;
1871		2369
1872	return if UNIVERSAL::isa $self->map, "ext::map_link";	2370	return if UNIVERSAL::isa $self->map, "ext::map_link";
1873		2371
1874	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2372	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1875	if $self->map;	2373	if $self->map && $self->map->{path} ne "{link}";
1876		2374
1877	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2375	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1878	}	2376	}
1879		2377
1880	sub cf::object::player::leave_link {	2378	sub cf::object::player::leave_link {
1881	my ($self, $map, $x, $y) = @_;	2379	my ($self, $map, $x, $y) = @_;
		2380
		2381	return unless $self->contr->active;
1882		2382
1883	my $link_pos = delete $self->{_link_pos};	2383	my $link_pos = delete $self->{_link_pos};
1884		2384
1885	unless ($map) {	2385	unless ($map) {
1886	# restore original map position	2386	# restore original map position
…		…
1900	# use -1 or undef as default coordinates, not 0, 0	2400	# use -1 or undef as default coordinates, not 0, 0
1901	($x, $y) = ($map->enter_x, $map->enter_y)	2401	($x, $y) = ($map->enter_x, $map->enter_y)
1902	if $x <=0 && $y <= 0;	2402	if $x <=0 && $y <= 0;
1903		2403
1904	$map->load;	2404	$map->load;
1905	$map->load_diag;	2405	$map->load_neighbours;
1906		2406
1907	return unless $self->contr->active;	2407	return unless $self->contr->active;
1908	$self->activate_recursive;	2408	$self->activate_recursive;
1909		2409
1910	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2410	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1911	$self->enter_map ($map, $x, $y);	2411	$self->enter_map ($map, $x, $y);
1912	}	2412	}
1913		2413
1914	cf::player->attach (	2414	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1915	on_logout => sub {
1916	my ($pl) = @_;
1917		2415
1918	# abort map switching before logout	2416	Moves the player to the given map-path and coordinates by first freezing
1919	if ($pl->ob->{_link_pos}) {	2417	her, loading and preparing them map, calling the provided $check callback
1920	cf::sync_job {	2418	that has to return the map if sucecssful, and then unfreezes the player on
1921	$pl->ob->leave_link	2419	the new (success) or old (failed) map position. In either case, $done will
1922	};	2420	be called at the end of this process.
1923	}
1924	},
1925	on_login => sub {
1926	my ($pl) = @_;
1927		2421
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	2422	=cut
		2423
		2424	our $GOTOGEN;
1949		2425
1950	sub cf::object::player::goto {	2426	sub cf::object::player::goto {
1951	my ($self, $path, $x, $y) = @_;	2427	my ($self, $path, $x, $y, $check, $done) = @_;
		2428
		2429	# do generation counting so two concurrent goto's will be executed in-order
		2430	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1952		2431
1953	$self->enter_link;	2432	$self->enter_link;
1954		2433
1955	(async {	2434	(async {
1956	my $map = eval {	2435	my $map = eval {
1957	my $map = cf::map::find $path;	2436	my $map = cf::map::find $path;
		2437
		2438	if ($map) {
1958	$map = $map->customise_for ($self) if $map;	2439	$map = $map->customise_for ($self);
		2440	$map = $check->($map) if $check && $map;
		2441	} else {
		2442	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2443	}
		2444
1959	$map	2445	$map
		2446	};
		2447
		2448	if ($@) {
		2449	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2450	LOG llevError | logBacktrace, Carp::longmess $@;
1960	} or	2451	}
1961	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1962		2452
		2453	if ($gen == $self->{_goto_generation}) {
		2454	delete $self->{_goto_generation};
1963	$self->leave_link ($map, $x, $y);	2455	$self->leave_link ($map, $x, $y);
		2456	}
		2457
		2458	$done->() if $done;
1964	})->prio (1);	2459	})->prio (1);
1965	}	2460	}
1966		2461
1967	=item $player_object->enter_exit ($exit_object)	2462	=item $player_object->enter_exit ($exit_object)
1968		2463
…		…
2037	my $hp = $exit->stats->hp;	2532	my $hp = $exit->stats->hp;
2038	my $sp = $exit->stats->sp;	2533	my $sp = $exit->stats->sp;
2039		2534
2040	$self->enter_link;	2535	$self->enter_link;
2041		2536
		2537	# if exit is damned, update players death & WoR home-position
		2538	$self->contr->savebed ($slaying, $hp, $sp)
		2539	if $exit->flag (FLAG_DAMNED);
		2540
2042	(async {	2541	(async {
2043	$self->deactivate_recursive; # just to be sure	2542	$self->deactivate_recursive; # just to be sure
2044	unless (eval {	2543	unless (eval {
2045	$self->goto ($slaying, $hp, $sp);	2544	$self->goto ($slaying, $hp, $sp);
2046		2545
…		…
2073		2572
2074	utf8::encode $text;	2573	utf8::encode $text;
2075	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2574	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2076	}	2575	}
2077		2576
		2577	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2578
		2579	Send a drawinfo or msg packet to the client, formatting the msg for the
		2580	client if neccessary. C<$type> should be a string identifying the type of
		2581	the message, with C<log> being the default. If C<$color> is negative, suppress
		2582	the message unless the client supports the msg packet.
		2583
		2584	=cut
		2585
		2586	our %CHANNEL = (
		2587	"c/identify" => {
		2588	id => "identify",
		2589	title => "Identify",
		2590	reply => undef,
		2591	tooltip => "Items recently identified",
		2592	},
		2593	"c/examine" => {
		2594	id => "examine",
		2595	title => "Examine",
		2596	reply => undef,
		2597	tooltip => "Signs and other items you examined",
		2598	},
		2599	);
		2600
		2601	sub cf::client::send_msg {
		2602	my ($self, $channel, $msg, $color, @extra) = @_;
		2603
		2604	$msg = $self->pl->expand_cfpod ($msg);
		2605
		2606	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2607
		2608	# check predefined channels, for the benefit of C
		2609	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2610
		2611	if (ref $channel) {
		2612	# send meta info to client, if not yet sent
		2613	unless (exists $self->{channel}{$channel->{id}}) {
		2614	$self->{channel}{$channel->{id}} = $channel;
		2615	$self->ext_msg (channel_info => $channel)
		2616	if $self->can_msg;
		2617	}
		2618
		2619	$channel = $channel->{id};
		2620	}
		2621
		2622	return unless @extra || length $msg;
		2623
		2624	if ($self->can_msg) {
		2625	# default colour, mask it out
		2626	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2627	if $color & cf::NDI_DEF;
		2628
		2629	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2630	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2631	} else {
		2632	if ($color >= 0) {
		2633	# replace some tags by gcfclient-compatible ones
		2634	for ($msg) {
		2635	1 while
		2636	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2637	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2638	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2639	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2640	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2641	}
		2642
		2643	$color &= cf::NDI_COLOR_MASK;
		2644
		2645	utf8::encode $msg;
		2646
		2647	if (0 && $msg =~ /\[/) {
		2648	# COMMAND/INFO
		2649	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2650	} else {
		2651	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2652	$self->send_packet ("drawinfo $color $msg")
		2653	}
		2654	}
		2655	}
		2656	}
		2657
2078	=item $client->ext_event ($type, %msg)	2658	=item $client->ext_msg ($type, @msg)
2079		2659
2080	Sends an exti event to the client.	2660	Sends an ext event to the client.
2081		2661
2082	=cut	2662	=cut
2083		2663
2084	sub cf::client::ext_event($$%) {	2664	sub cf::client::ext_msg($$@) {
2085	my ($self, $type, %msg) = @_;	2665	my ($self, $type, @msg) = @_;
2086		2666
		2667	if ($self->extcmd == 2) {
		2668	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2669	} elsif ($self->extcmd == 1) { # TODO: remove
2087	$msg{msgtype} = "event_$type";	2670	push @msg, msgtype => "event_$type";
2088	$self->send_packet ("ext " . cf::to_json \%msg);	2671	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2672	}
		2673	}
		2674
		2675	=item $client->ext_reply ($msgid, @msg)
		2676
		2677	Sends an ext reply to the client.
		2678
		2679	=cut
		2680
		2681	sub cf::client::ext_reply($$@) {
		2682	my ($self, $id, @msg) = @_;
		2683
		2684	if ($self->extcmd == 2) {
		2685	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2686	} elsif ($self->extcmd == 1) {
		2687	#TODO: version 1, remove
		2688	unshift @msg, msgtype => "reply", msgid => $id;
		2689	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2690	}
2089	}	2691	}
2090		2692
2091	=item $success = $client->query ($flags, "text", \&cb)	2693	=item $success = $client->query ($flags, "text", \&cb)
2092		2694
2093	Queues a query to the client, calling the given callback with	2695	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>,	2696	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>.	2697	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2096		2698
2097	Queries can fail, so check the return code. Or don't, as queries will become	2699	Queries can fail, so check the return code. Or don't, as queries will
2098	reliable at some point in the future.	2700	become reliable at some point in the future.
2099		2701
2100	=cut	2702	=cut
2101		2703
2102	sub cf::client::query {	2704	sub cf::client::query {
2103	my ($self, $flags, $text, $cb) = @_;	2705	my ($self, $flags, $text, $cb) = @_;
…		…
2111	utf8::encode $text;	2713	utf8::encode $text;
2112	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2714	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2113		2715
2114	$self->send_packet ($self->{query_queue}[0][0])	2716	$self->send_packet ($self->{query_queue}[0][0])
2115	if @{ $self->{query_queue} } == 1;	2717	if @{ $self->{query_queue} } == 1;
		2718
		2719	1
2116	}	2720	}
2117		2721
2118	cf::client->attach (	2722	cf::client->attach (
		2723	on_connect => sub {
		2724	my ($ns) = @_;
		2725
		2726	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2727	},
2119	on_reply => sub {	2728	on_reply => sub {
2120	my ($ns, $msg) = @_;	2729	my ($ns, $msg) = @_;
2121		2730
2122	# this weird shuffling is so that direct followup queries	2731	# this weird shuffling is so that direct followup queries
2123	# get handled first	2732	# get handled first
…		…
2135	} else {	2744	} else {
2136	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2745	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2137	}	2746	}
2138	}	2747	}
2139	},	2748	},
		2749	on_exticmd => sub {
		2750	my ($ns, $buf) = @_;
		2751
		2752	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2753
		2754	if (ref $msg) {
		2755	my ($type, $reply, @payload) =
		2756	"ARRAY" eq ref $msg
		2757	? @$msg
		2758	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2759
		2760	my @reply;
		2761
		2762	if (my $cb = $EXTICMD{$type}) {
		2763	@reply = $cb->($ns, @payload);
		2764	}
		2765
		2766	$ns->ext_reply ($reply, @reply)
		2767	if $reply;
		2768
		2769	} else {
		2770	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2771	}
		2772
		2773	cf::override;
		2774	},
2140	);	2775	);
2141		2776
2142	=item $client->async (\&cb)	2777	=item $client->async (\&cb)
2143		2778
2144	Create a new coroutine, running the specified callback. The coroutine will	2779	Create a new coroutine, running the specified callback. The coroutine will
…		…
2185	our $safe = new Safe "safe";	2820	our $safe = new Safe "safe";
2186	our $safe_hole = new Safe::Hole;	2821	our $safe_hole = new Safe::Hole;
2187		2822
2188	$SIG{FPE} = 'IGNORE';	2823	$SIG{FPE} = 'IGNORE';
2189		2824
2190	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2825	$safe->permit_only (Opcode::opset qw(
		2826	:base_core :base_mem :base_orig :base_math
		2827	grepstart grepwhile mapstart mapwhile
		2828	sort time
		2829	));
2191		2830
2192	# here we export the classes and methods available to script code	2831	# here we export the classes and methods available to script code
2193		2832
2194	=pod	2833	=pod
2195		2834
2196	The following functions and methods are available within a safe environment:	2835	The following functions and methods are available within a safe environment:
2197		2836
2198	cf::object contr pay_amount pay_player map	2837	cf::object
		2838	contr pay_amount pay_player map x y force_find force_add
		2839	insert remove name archname title slaying race decrease_ob_nr
		2840
2199	cf::object::player player	2841	cf::object::player
2200	cf::player peaceful	2842	player
2201	cf::map trigger	2843
		2844	cf::player
		2845	peaceful
		2846
		2847	cf::map
		2848	trigger
2202		2849
2203	=cut	2850	=cut
2204		2851
2205	for (	2852	for (
2206	["cf::object" => qw(contr pay_amount pay_player map)],	2853	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2854	insert remove inv name archname title slaying race
		2855	decrease_ob_nr)],
2207	["cf::object::player" => qw(player)],	2856	["cf::object::player" => qw(player)],
2208	["cf::player" => qw(peaceful)],	2857	["cf::player" => qw(peaceful)],
2209	["cf::map" => qw(trigger)],	2858	["cf::map" => qw(trigger)],
2210	) {	2859	) {
2211	no strict 'refs';	2860	no strict 'refs';
…		…
2282	=back	2931	=back
2283		2932
2284	=cut	2933	=cut
2285		2934
2286	#############################################################################	2935	#############################################################################
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 $@;
2454	_exit 0;
2455	}
2456	}
2457
2458
2459
2460	#############################################################################
2461	# the server's init and main functions	2936	# the server's init and main functions
2462		2937
2463	sub load_facedata($) {	2938	sub load_facedata($) {
2464	my ($path) = @_;	2939	my ($path) = @_;
		2940
		2941	# HACK to clear player env face cache, we need some signal framework
		2942	# for this (global event?)
		2943	%ext::player_env::MUSIC_FACE_CACHE = ();
		2944
		2945	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2465		2946
2466	warn "loading facedata from $path\n";	2947	warn "loading facedata from $path\n";
2467		2948
2468	my $facedata;	2949	my $facedata;
2469	0 < aio_load $path, $facedata	2950	0 < aio_load $path, $facedata
…		…
2472	$facedata = Coro::Storable::thaw $facedata;	2953	$facedata = Coro::Storable::thaw $facedata;
2473		2954
2474	$facedata->{version} == 2	2955	$facedata->{version} == 2
2475	or cf::cleanup "$path: version mismatch, cannot proceed.";	2956	or cf::cleanup "$path: version mismatch, cannot proceed.";
2476		2957
		2958	# patch in the exptable
		2959	$facedata->{resource}{"res/exp_table"} = {
		2960	type => FT_RSRC,
		2961	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2962	};
		2963	cf::cede_to_tick;
		2964
2477	{	2965	{
2478	my $faces = $facedata->{faceinfo};	2966	my $faces = $facedata->{faceinfo};
2479		2967
2480	while (my ($face, $info) = each %$faces) {	2968	while (my ($face, $info) = each %$faces) {
2481	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2969	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2482	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2970	cf::face::set_visibility $idx, $info->{visibility};
		2971	cf::face::set_magicmap $idx, $info->{magicmap};
2483	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2972	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2484	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2973	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2485	Coro::cede;	2974
		2975	cf::cede_to_tick;
2486	}	2976	}
2487		2977
2488	while (my ($face, $info) = each %$faces) {	2978	while (my ($face, $info) = each %$faces) {
2489	next unless $info->{smooth};	2979	next unless $info->{smooth};
2490	my $idx = cf::face::find $face	2980	my $idx = cf::face::find $face
2491	or next;	2981	or next;
2492	if (my $smooth = cf::face::find $info->{smooth}) {	2982	if (my $smooth = cf::face::find $info->{smooth}) {
		2983	cf::face::set_smooth $idx, $smooth;
2493	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2984	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2494	} else {	2985	} else {
2495	warn "smooth face '$info->{smooth}' not found for face '$face'";	2986	warn "smooth face '$info->{smooth}' not found for face '$face'";
2496	}	2987	}
2497	Coro::cede;	2988
		2989	cf::cede_to_tick;
2498	}	2990	}
2499	}	2991	}
2500		2992
2501	{	2993	{
2502	my $anims = $facedata->{animinfo};	2994	my $anims = $facedata->{animinfo};
2503		2995
2504	while (my ($anim, $info) = each %$anims) {	2996	while (my ($anim, $info) = each %$anims) {
2505	cf::anim::set $anim, $info->{frames}, $info->{facings};	2997	cf::anim::set $anim, $info->{frames}, $info->{facings};
2506	Coro::cede;	2998	cf::cede_to_tick;
2507	}	2999	}
2508		3000
2509	cf::anim::invalidate_all; # d'oh	3001	cf::anim::invalidate_all; # d'oh
2510	}	3002	}
2511		3003
		3004	{
		3005	# TODO: for gcfclient pleasure, we should give resources
		3006	# that gcfclient doesn't grok a >10000 face index.
		3007	my $res = $facedata->{resource};
		3008
		3009	my $soundconf = delete $res->{"res/sound.conf"};
		3010
		3011	while (my ($name, $info) = each %$res) {
		3012	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3013	my $data;
		3014
		3015	if ($info->{type} & 1) {
		3016	# prepend meta info
		3017
		3018	my $meta = $enc->encode ({
		3019	name => $name,
		3020	%{ $info->{meta} || {} },
		3021	});
		3022
		3023	$data = pack "(w/a*)*", $meta, $info->{data};
		3024	} else {
		3025	$data = $info->{data};
		3026	}
		3027
		3028	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3029	cf::face::set_type $idx, $info->{type};
		3030
		3031	cf::cede_to_tick;
		3032	}
		3033
		3034	if ($soundconf) {
		3035	$soundconf = $enc->decode (delete $soundconf->{data});
		3036
		3037	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3038	my $sound = $soundconf->{compat}[$_]
		3039	or next;
		3040
		3041	my $face = cf::face::find "sound/$sound->[1]";
		3042	cf::sound::set $sound->[0] => $face;
		3043	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3044	}
		3045
		3046	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3047	my $face = cf::face::find "sound/$v";
		3048	cf::sound::set $k => $face;
		3049	}
		3050	}
		3051	}
		3052
2512	1	3053	1
2513	}	3054	}
2514		3055
		3056	register_exticmd fx_want => sub {
		3057	my ($ns, $want) = @_;
		3058
		3059	while (my ($k, $v) = each %$want) {
		3060	$ns->fx_want ($k, $v);
		3061	}
		3062	};
		3063
2515	sub reload_regions {	3064	sub reload_regions {
		3065	# HACK to clear player env face cache, we need some signal framework
		3066	# for this (global event?)
		3067	%ext::player_env::MUSIC_FACE_CACHE = ();
		3068
2516	load_resource_file "$MAPDIR/regions"	3069	load_resource_file "$MAPDIR/regions"
2517	or die "unable to load regions file\n";	3070	or die "unable to load regions file\n";
		3071
		3072	for (cf::region::list) {
		3073	$_->{match} = qr/$_->{match}/
		3074	if exists $_->{match};
		3075	}
2518	}	3076	}
2519		3077
2520	sub reload_facedata {	3078	sub reload_facedata {
2521	load_facedata "$DATADIR/facedata"	3079	load_facedata "$DATADIR/facedata"
2522	or die "unable to load facedata\n";	3080	or die "unable to load facedata\n";
2523	}	3081	}
2524		3082
2525	sub reload_archetypes {	3083	sub reload_archetypes {
2526	load_resource_file "$DATADIR/archetypes"	3084	load_resource_file "$DATADIR/archetypes"
2527	or die "unable to load archetypes\n";	3085	or die "unable to load archetypes\n";
		3086	#d# NEED to laod twice to resolve forward references
		3087	# this really needs to be done in an extra post-pass
		3088	# (which needs to be synchronous, so solve it differently)
		3089	load_resource_file "$DATADIR/archetypes"
		3090	or die "unable to load archetypes\n";
2528	}	3091	}
2529		3092
2530	sub reload_treasures {	3093	sub reload_treasures {
2531	load_resource_file "$DATADIR/treasures"	3094	load_resource_file "$DATADIR/treasures"
2532	or die "unable to load treasurelists\n";	3095	or die "unable to load treasurelists\n";
…		…
2535	sub reload_resources {	3098	sub reload_resources {
2536	warn "reloading resource files...\n";	3099	warn "reloading resource files...\n";
2537		3100
2538	reload_regions;	3101	reload_regions;
2539	reload_facedata;	3102	reload_facedata;
		3103	#reload_archetypes;#d#
2540	reload_archetypes;	3104	reload_archetypes;
2541	reload_treasures;	3105	reload_treasures;
2542		3106
2543	warn "finished reloading resource files\n";	3107	warn "finished reloading resource files\n";
2544	}	3108	}
2545		3109
2546	sub init {	3110	sub init {
2547	reload_resources;	3111	reload_resources;
2548	}	3112	}
2549		3113
2550	sub cfg_load {	3114	sub reload_config {
2551	open my $fh, "<:utf8", "$CONFDIR/config"	3115	open my $fh, "<:utf8", "$CONFDIR/config"
2552	or return;	3116	or return;
2553		3117
2554	local $/;	3118	local $/;
2555	*CFG = YAML::Syck::Load <$fh>;	3119	*CFG = YAML::Syck::Load <$fh>;
…		…
2575	(async {	3139	(async {
2576	Event::one_event;	3140	Event::one_event;
2577	})->prio (Coro::PRIO_MAX);	3141	})->prio (Coro::PRIO_MAX);
2578	};	3142	};
2579		3143
2580	cfg_load;	3144	reload_config;
2581	db_init;	3145	db_init;
2582	load_extensions;	3146	load_extensions;
2583		3147
2584	$TICK_WATCHER->start;	3148	$TICK_WATCHER->start;
2585	Event::loop;	3149	Event::loop;
…		…
2601	},	3165	},
2602	);	3166	);
2603	}	3167	}
2604	}	3168	}
2605		3169
		3170	sub write_runtime {
		3171	my $runtime = "$LOCALDIR/runtime";
		3172
		3173	# first touch the runtime file to show we are still running:
		3174	# the fsync below can take a very very long time.
		3175
		3176	IO::AIO::aio_utime $runtime, undef, undef;
		3177
		3178	my $guard = cf::lock_acquire "write_runtime";
		3179
		3180	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3181	or return;
		3182
		3183	my $value = $cf::RUNTIME + 90 + 10;
		3184	# 10 is the runtime save interval, for a monotonic clock
		3185	# 60 allows for the watchdog to kill the server.
		3186
		3187	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3188	and return;
		3189
		3190	# always fsync - this file is important
		3191	aio_fsync $fh
		3192	and return;
		3193
		3194	# touch it again to show we are up-to-date
		3195	aio_utime $fh, undef, undef;
		3196
		3197	close $fh
		3198	or return;
		3199
		3200	aio_rename "$runtime~", $runtime
		3201	and return;
		3202
		3203	warn "runtime file written.\n";
		3204
		3205	1
		3206	}
		3207
2606	sub emergency_save() {	3208	sub emergency_save() {
2607	my $freeze_guard = cf::freeze_mainloop;	3209	my $freeze_guard = cf::freeze_mainloop;
2608		3210
2609	warn "enter emergency perl save\n";	3211	warn "enter emergency perl save\n";
2610		3212
…		…
2685	%EXT_CORO = ();	3287	%EXT_CORO = ();
2686		3288
2687	warn "removing commands";	3289	warn "removing commands";
2688	%COMMAND = ();	3290	%COMMAND = ();
2689		3291
2690	warn "removing ext commands";	3292	warn "removing ext/exti commands";
2691	%EXTCMD = ();	3293	%EXTCMD = ();
		3294	%EXTICMD = ();
2692		3295
2693	warn "unloading/nuking all extensions";	3296	warn "unloading/nuking all extensions";
2694	for my $pkg (@EXTS) {	3297	for my $pkg (@EXTS) {
2695	warn "... unloading $pkg";	3298	warn "... unloading $pkg";
2696		3299
…		…
2739	warn "reloading cf.pm";	3342	warn "reloading cf.pm";
2740	require cf;	3343	require cf;
2741	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3344	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2742		3345
2743	warn "loading config and database again";	3346	warn "loading config and database again";
2744	cf::cfg_load;	3347	cf::reload_config;
2745		3348
2746	warn "loading extensions";	3349	warn "loading extensions";
2747	cf::load_extensions;	3350	cf::load_extensions;
2748		3351
2749	warn "reattaching attachments to objects/players";	3352	warn "reattaching attachments to objects/players";
…		…
2814	my $signal = new Coro::Signal;	3417	my $signal = new Coro::Signal;
2815	push @WAIT_FOR_TICK_BEGIN, $signal;	3418	push @WAIT_FOR_TICK_BEGIN, $signal;
2816	$signal->wait;	3419	$signal->wait;
2817	}	3420	}
2818		3421
		3422	my $min = 1e6;#d#
		3423	my $avg = 10;
2819	$TICK_WATCHER = Event->timer (	3424	$TICK_WATCHER = Event->timer (
2820	reentrant => 0,	3425	reentrant => 0,
2821	parked => 1,	3426	parked => 1,
2822	prio => 0,	3427	prio => 0,
2823	at => $NEXT_TICK || $TICK,	3428	at => $NEXT_TICK || $TICK,
…		…
2827	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3432	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2828	unless ++$bug_warning > 10;	3433	unless ++$bug_warning > 10;
2829	return;	3434	return;
2830	}	3435	}
2831		3436
2832	$NOW = Event::time;	3437	$NOW = $tick_start = Event::time;
2833		3438
2834	cf::server_tick; # one server iteration	3439	cf::server_tick; # one server iteration
		3440
		3441	0 && sync_job {#d#
		3442	for(1..10) {
		3443	my $t = Event::time;
		3444	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3445	or die;
		3446
		3447	$map->width (50);
		3448	$map->height (50);
		3449	$map->alloc;
		3450	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3451	my $t = Event::time - $t;
		3452
		3453	#next unless $t < 0.0013;#d#
		3454	if ($t < $min) {
		3455	$min = $t;
		3456	}
		3457	$avg = $avg * 0.99 + $t * 0.01;
		3458	}
		3459	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3460	exit 0;
		3461	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3462	};
2835		3463
2836	$RUNTIME += $TICK;	3464	$RUNTIME += $TICK;
2837	$NEXT_TICK += $TICK;	3465	$NEXT_TICK += $TICK;
2838		3466
2839	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3467	if ($NOW >= $NEXT_RUNTIME_WRITE) {
…		…
2845	}	3473	}
2846		3474
2847	# my $AFTER = Event::time;	3475	# my $AFTER = Event::time;
2848	# warn $AFTER - $NOW;#d#	3476	# warn $AFTER - $NOW;#d#
2849		3477
		3478	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3479	$sig->send;
		3480	}
		3481	while (my $sig = shift @WAIT_FOR_TICK) {
		3482	$sig->send;
		3483	}
		3484
		3485	$NOW = Event::time;
		3486
2850	# if we are delayed by four ticks or more, skip them all	3487	# if we are delayed by four ticks or more, skip them all
2851	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3488	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2852		3489
2853	$TICK_WATCHER->at ($NEXT_TICK);	3490	$TICK_WATCHER->at ($NEXT_TICK);
2854	$TICK_WATCHER->start;	3491	$TICK_WATCHER->start;
2855		3492
2856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3493	$LOAD = ($NOW - $tick_start) / $TICK;
2857	$sig->send;	3494	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2858	}
2859	while (my $sig = shift @WAIT_FOR_TICK) {
2860	$sig->send;
2861	}
2862		3495
2863	_post_tick;	3496	_post_tick;
		3497
		3498
2864	},	3499	},
2865	);	3500	);
2866		3501
2867	{	3502	{
2868	BDB::max_poll_time $TICK * 0.1;	3503	BDB::max_poll_time $TICK * 0.1;

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