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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.265 by root, Fri May 11 08:00:00 2007 UTC vs.
Revision 1.375 by root, Sun Sep 30 20:22:21 2007 UTC

…		…
10	use Event;	10	use Event;
11	use Opcode;	11	use Opcode;
12	use Safe;	12	use Safe;
13	use Safe::Hole;	13	use Safe::Hole;
14		14
15	use Coro 3.61 ();	15	use Coro 3.64 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::Event;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
23	use Coro::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
24		25
		26	use JSON::XS ();
25	use BDB ();	27	use BDB ();
26	use Data::Dumper;	28	use Data::Dumper;
27	use Digest::MD5;	29	use Digest::MD5;
28	use Fcntl;	30	use Fcntl;
29	use YAML::Syck ();	31	use YAML::Syck ();
30	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
31	use Time::HiRes;	33	use Time::HiRes;
32	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
33		36
34	# configure various modules to our taste	37	# configure various modules to our taste
35	#	38	#
36	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
…		…
49	our %COMMAND = ();	52	our %COMMAND = ();
50	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
51		54
52	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
56		60
57	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
58	our @EVENT;	62	our @EVENT;
…		…
76	our $NEXT_TICK;	80	our $NEXT_TICK;
77	our $NOW;	81	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		83
80	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	88	our $DB_ENV;
82		89
83	our %CFG;	90	our %CFG;
84		91
85	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	93	our $RUNTIME;
87		94
88	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
91		98
92	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		101
…		…
164		171
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	173	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
		181
169	=back	182	=back
170		183
171	=cut	184	=cut
172		185
173	BEGIN {	186	BEGIN {
…		…
177	$msg .= "\n"	190	$msg .= "\n"
178	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
179		192
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		194
182	utf8::encode $msg;
183	LOG llevError, $msg;	195	LOG llevError, $msg;
184	};	196	};
185	}	197	}
186		198
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		206
194	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	208	# within the Safe compartment.
196	for my $pkg (qw(	209	for my $pkg (qw(
197	cf::global cf::attachable	210	cf::global cf::attachable
…		…
205	}	218	}
206		219
207	$Event::DIED = sub {	220	$Event::DIED = sub {
208	warn "error in event callback: @_";	221	warn "error in event callback: @_";
209	};	222	};
		223
		224	#############################################################################
210		225
211	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
212		227
213	=over 4	228	=over 4
214		229
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	249	$d
235	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
236	}	251	}
237		252
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
241		254
242	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
243		256
244	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
245		258
246	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
		260
		261	=cut
		262
		263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		264
		265	sub to_json ($) { $json_coder->encode ($_[0]) }
		266	sub from_json ($) { $json_coder->decode ($_[0]) }
247		267
248	=item cf::lock_wait $string	268	=item cf::lock_wait $string
249		269
250	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
251		271
…		…
254	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
255	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
256	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
257	returned.	277	returned.
258		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
259	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
261		284
262	=item $locked = cf::lock_active $string	285	=item $locked = cf::lock_active $string
263		286
264	Return true if the lock is currently active, i.e. somebody has locked it.	287	Return true if the lock is currently active, i.e. somebody has locked it.
265		288
266	=cut	289	=cut
267		290
268	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
269		293
270	sub lock_wait($) {	294	sub lock_wait($) {
271	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
272		301
273	# wait for lock, if any	302	# wait for lock, if any
274	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;	305	Coro::schedule;
…		…
282		311
283	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
284	lock_wait $key;	313	lock_wait $key;
285		314
286	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
287		317
288	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
289	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
291	}	322	}
292	}	323	}
293		324
…		…
305	};	336	};
306	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
307	$guard	338	$guard
308	}	339	}
309		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	$Coro::current->desc ("timeslot manager");
		360
		361	my $signal = new Coro::Signal;
		362
		363	while () {
		364	next_job:
		365	my $avail = cf::till_tick;
		366	if ($avail > 0.01) {
		367	for (0 .. $#SLOT_QUEUE) {
		368	if ($SLOT_QUEUE[$_][0] < $avail) {
		369	my $job = splice @SLOT_QUEUE, $_, 1, ();
		370	$job->[2]->send;
		371	Coro::cede;
		372	goto next_job;
		373	}
		374	}
		375	}
		376
		377	if (@SLOT_QUEUE) {
		378	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		379	push @cf::WAIT_FOR_TICK, $signal;
		380	$signal->wait;
		381	} else {
		382	Coro::schedule;
		383	}
		384	}
		385	};
		386
		387	sub get_slot($;$$) {
		388	my ($time, $pri, $name) = @_;
		389
		390	$time = $TICK * .6 if $time > $TICK * .6;
		391	my $sig = new Coro::Signal;
		392
		393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		395	$SLOT_QUEUE->ready;
		396	$sig->wait;
		397	}
		398
310	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
311		400
312	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
313	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	402	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
314	thing you are allowed to do is call C<prio> on it.	403	thing you are allowed to do is call C<prio> on it.
…		…
317		406
318	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
319		408
320	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
321		410
322	The design of crossfire+ requires that the main coro ($Coro::main) is	411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	412	is always able to handle events or runnable, as Crossfire TRT is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		414	acceptable.
325		415
326	If it must be done, put the blocking parts into C<sync_job>. This will run	416	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	417	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	418	server will be frozen during this time, so the block should either finish
329	fast or be very important.	419	fast or be very important.
…		…
345		435
346	my $busy = 1;	436	my $busy = 1;
347	my @res;	437	my @res;
348		438
349	(async {	439	(async {
		440	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	441	@res = eval { $job->() };
351	warn $@ if $@;	442	warn $@ if $@;
352	undef $busy;	443	undef $busy;
353	})->prio (Coro::PRIO_MAX);	444	})->prio (Coro::PRIO_MAX);
354		445
…		…
356	Coro::cede or Event::one_event;	447	Coro::cede or Event::one_event;
357	}	448	}
358		449
359	$time = Event::time - $time;	450	$time = Event::time - $time;
360		451
361	LOG llevError | logBacktrace, "long sync job\n"	452	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5;	453	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363		454
364	$tick_start += $time; # do not account sync jobs to server load	455	$tick_start += $time; # do not account sync jobs to server load
365		456
366	wantarray ? @res : $res[0]	457	wantarray ? @res : $res[0]
367	} else {	458	} else {
…		…
389	$EXT_CORO{$coro+0} = $coro;	480	$EXT_CORO{$coro+0} = $coro;
390		481
391	$coro	482	$coro
392	}	483	}
393		484
394	sub write_runtime {	485	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		486
397	# first touch the runtime file to show we are still running:	487	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	488	process, returning the results. Everything must be serialisable with
		489	Coro::Storable. May, of course, block. Note that the executed sub may
		490	never block itself or use any form of Event handling.
399		491
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	492	=cut
401	utime undef, undef, $fh;	493
		494	sub fork_call(&@) {
		495	my ($cb, @args) = @_;
		496
		497	# we seemingly have to make a local copy of the whole thing,
		498	# otherwise perl prematurely frees the stuff :/
		499	# TODO: investigate and fix (likely this will be rather laborious)
		500
		501	my @res = Coro::Util::fork_eval {
		502	reset_signals;
		503	&$cb
		504	}, @args;
		505
		506	wantarray ? @res : $res[-1]
		507	}
		508
		509	=item $value = cf::db_get $family => $key
		510
		511	Returns a single value from the environment database.
		512
		513	=item cf::db_put $family => $key => $value
		514
		515	Stores the given C<$value> in the family. It can currently store binary
		516	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		517
		518	=item $db = cf::db_table "name"
		519
		520	Create and/or open a new database table. The string must not be "db" and must be unique
		521	within each server.
		522
		523	=cut
		524
		525	sub db_table($) {
		526	my ($name) = @_;
		527	my $db = BDB::db_create $DB_ENV;
		528
		529	eval {
		530	$db->set_flags (BDB::CHKSUM);
		531
		532	utf8::encode $name;
		533	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		534	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		535	cf::cleanup "db_open(db): $!" if $!;
402	}	536	};
		537	cf::cleanup "db_open(db): $@" if $@;
403		538
404	my $guard = cf::lock_acquire "write_runtime";	539	$db
		540	}
405		541
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	542	our $DB;
407	or return;
408		543
409	my $value = $cf::RUNTIME + 90 + 10;	544	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	545	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	546	$DB ||= db_table "db";
		547	};
		548	}
412		549
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	550	sub db_get($$) {
414	and return;	551	my $key = "$_[0]/$_[1]";
415		552
416	# always fsync - this file is important	553	cf::sync_job {
417	aio_fsync $fh	554	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		555
420	# touch it again to show we are up-to-date	556	$! ? ()
421	utime undef, undef, $fh;	557	: $data
422
423	close $fh
424	or return;
425
426	aio_rename "$runtime~", $runtime
427	and return;
428
429	warn "runtime file written.\n";#d#
430
431	1	558	}
		559	}
		560
		561	sub db_put($$$) {
		562	BDB::dbreq_pri 4;
		563	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		564	}
		565
		566	=item cf::cache $id => [$paths...], $processversion => $process
		567
		568	Generic caching function that returns the value of the resource $id,
		569	caching and regenerating as required.
		570
		571	This function can block.
		572
		573	=cut
		574
		575	sub cache {
		576	my ($id, $src, $processversion, $process) = @_;
		577
		578	my $meta =
		579	join "\x00",
		580	$processversion,
		581	map {
		582	aio_stat $_
		583	and Carp::croak "$_: $!";
		584
		585	($_, (stat _)[7,9])
		586	} @$src;
		587
		588	my $dbmeta = db_get cache => "$id/meta";
		589	if ($dbmeta ne $meta) {
		590	# changed, we may need to process
		591
		592	my @data;
		593	my $md5;
		594
		595	for (0 .. $#$src) {
		596	0 <= aio_load $src->[$_], $data[$_]
		597	or Carp::croak "$src->[$_]: $!";
		598	}
		599
		600	# if processing is expensive, check
		601	# checksum first
		602	if (1) {
		603	$md5 =
		604	join "\x00",
		605	$processversion,
		606	map {
		607	cf::cede_to_tick;
		608	($src->[$_], Digest::MD5::md5_hex $data[$_])
		609	} 0.. $#$src;
		610
		611
		612	my $dbmd5 = db_get cache => "$id/md5";
		613	if ($dbmd5 eq $md5) {
		614	db_put cache => "$id/meta", $meta;
		615
		616	return db_get cache => "$id/data";
		617	}
		618	}
		619
		620	my $t1 = Time::HiRes::time;
		621	my $data = $process->(\@data);
		622	my $t2 = Time::HiRes::time;
		623
		624	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		625
		626	db_put cache => "$id/data", $data;
		627	db_put cache => "$id/md5" , $md5;
		628	db_put cache => "$id/meta", $meta;
		629
		630	return $data;
		631	}
		632
		633	db_get cache => "$id/data"
432	}	634	}
433		635
434	=item cf::datalog type => key => value, ...	636	=item cf::datalog type => key => value, ...
435		637
436	Log a datalog packet of the given type with the given key-value pairs.	638	Log a datalog packet of the given type with the given key-value pairs.
…		…
454	attach callbacks/event handlers (a collection of which is called an "attachment")	656	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	657	to it. All such attachable objects support the following methods.
456		658
457	In the following description, CLASS can be any of C<global>, C<object>	659	In the following description, CLASS can be any of C<global>, C<object>
458	C<player>, C<client> or C<map> (i.e. the attachable objects in	660	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	661	Crossfire TRT).
460		662
461	=over 4	663	=over 4
462		664
463	=item $attachable->attach ($attachment, key => $value...)	665	=item $attachable->attach ($attachment, key => $value...)
464		666
…		…
627	$registry = $CB_TYPE[$object_type] ||= [];	829	$registry = $CB_TYPE[$object_type] ||= [];
628		830
629	} elsif ($type eq "subtype") {	831	} elsif ($type eq "subtype") {
630	defined $object_type or Carp::croak "subtype specified without type";	832	defined $object_type or Carp::croak "subtype specified without type";
631	my $object_subtype = shift @arg;	833	my $object_subtype = shift @arg;
632	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	834	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
633		835
634	} elsif ($type eq "package") {	836	} elsif ($type eq "package") {
635	my $pkg = shift @arg;	837	my $pkg = shift @arg;
636		838
637	while (my ($name, $id) = each %cb_id) {	839	while (my ($name, $id) = each %cb_id) {
…		…
666	_attach $registry, $klass, @attach;	868	_attach $registry, $klass, @attach;
667	}	869	}
668		870
669	$obj->{$name} = \%arg;	871	$obj->{$name} = \%arg;
670	} else {	872	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	873	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	874	}
673		875
674	$obj->{_attachment}{$name} = undef;	876	$obj->{_attachment}{$name} = undef;
675	}	877	}
676		878
…		…
678	if (ref $_[0]) {	880	if (ref $_[0]) {
679	_object_attach @_;	881	_object_attach @_;
680	} else {	882	} else {
681	_attach shift->_attach_registry, @_;	883	_attach shift->_attach_registry, @_;
682	}	884	}
		885	_recalc_want;
683	};	886	};
684		887
685	# all those should be optimised	888	# all those should be optimised
686	sub cf::attachable::detach {	889	sub cf::attachable::detach {
687	my ($obj, $name) = @_;	890	my ($obj, $name) = @_;
…		…
690	delete $obj->{_attachment}{$name};	893	delete $obj->{_attachment}{$name};
691	reattach ($obj);	894	reattach ($obj);
692	} else {	895	} else {
693	Carp::croak "cannot, currently, detach class attachments";	896	Carp::croak "cannot, currently, detach class attachments";
694	}	897	}
		898	_recalc_want;
695	};	899	};
696		900
697	sub cf::attachable::attached {	901	sub cf::attachable::attached {
698	my ($obj, $name) = @_;	902	my ($obj, $name) = @_;
699		903
…		…
714	";	918	";
715	die if $@;	919	die if $@;
716	}	920	}
717		921
718	our $override;	922	our $override;
719	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	923	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
720		924
721	sub override {	925	sub override {
722	$override = 1;	926	$override = 1;
723	@invoke_results = ();	927	@INVOKE_RESULTS = (@_);
724	}	928	}
725		929
726	sub do_invoke {	930	sub do_invoke {
727	my $event = shift;	931	my $event = shift;
728	my $callbacks = shift;	932	my $callbacks = shift;
729		933
730	@invoke_results = ();	934	@INVOKE_RESULTS = ();
731		935
732	local $override;	936	local $override;
733		937
734	for (@$callbacks) {	938	for (@$callbacks) {
735	eval { &{$_->[1]} };	939	eval { &{$_->[1]} };
…		…
752		956
753	Generate an object-specific event with the given arguments.	957	Generate an object-specific event with the given arguments.
754		958
755	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	959	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
756	removed in future versions), and there is no public API to access override	960	removed in future versions), and there is no public API to access override
757	results (if you must, access C<@cf::invoke_results> directly).	961	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		962
759	=back	963	=back
760		964
761	=cut	965	=cut
762		966
763	#############################################################################	967	#############################################################################
764	# object support	968	# object support
		969	#
		970
		971	sub _can_merge {
		972	my ($ob1, $ob2) = @_;
		973
		974	local $Storable::canonical = 1;
		975	my $fob1 = Storable::freeze $ob1;
		976	my $fob2 = Storable::freeze $ob2;
		977
		978	$fob1 eq $fob2
		979	}
765		980
766	sub reattach {	981	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	982	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	983	my ($obj) = @_;
769		984
…		…
816	sub object_freezer_save {	1031	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1032	my ($filename, $rdata, $objs) = @_;
818		1033
819	sync_job {	1034	sync_job {
820	if (length $$rdata) {	1035	if (length $$rdata) {
		1036	utf8::decode (my $decname = $filename);
821	warn sprintf "saving %s (%d,%d)\n",	1037	warn sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1038	$decname, length $$rdata, scalar @$objs;
823		1039
824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1040	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825	chmod SAVE_MODE, $fh;	1041	chmod SAVE_MODE, $fh;
826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1042	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827	aio_fsync $fh if $cf::USE_FSYNC;	1043	aio_fsync $fh if $cf::USE_FSYNC;
…		…
846	}	1062	}
847	} else {	1063	} else {
848	aio_unlink $filename;	1064	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1065	aio_unlink "$filename.pst";
850	}	1066	}
851	}	1067	};
852	}	1068	}
853		1069
854	sub object_freezer_as_string {	1070	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1071	my ($rdata, $objs) = @_;
856		1072
…		…
868	or return;	1084	or return;
869		1085
870	unless (aio_stat "$filename.pst") {	1086	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1087	(aio_load "$filename.pst", $av) >= 0
872	or return;	1088	or return;
		1089
873	$av = eval { (Storable::thaw $av)->{objs} };	1090	$av = eval { (Storable::thaw $av)->{objs} };
874	}	1091	}
875		1092
		1093	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1094	warn sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1095	$decname, length $data, scalar @{$av || []};
		1096
878	return ($data, $av);	1097	($data, $av)
879	}	1098	}
		1099
		1100	=head2 COMMAND CALLBACKS
		1101
		1102	=over 4
		1103
		1104	=cut
880		1105
881	#############################################################################	1106	#############################################################################
882	# command handling &c	1107	# command handling &c
883		1108
884	=item cf::register_command $name => \&callback($ob,$args);	1109	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1122	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1123	}
899		1124
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1125	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1126
902	Register a callbackf ro execution when the client sends an extcmd packet.	1127	Register a callback for execution when the client sends an (synchronous)
		1128	extcmd packet. Ext commands will be processed in the order they are
		1129	received by the server, like other user commands. The first argument is
		1130	the logged-in player. Ext commands can only be processed after a player
		1131	has logged in successfully.
903		1132
904	If the callback returns something, it is sent back as if reply was being	1133	If the callback returns something, it is sent back as if reply was being
905	called.	1134	called.
906		1135
		1136	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1137
		1138	Register a callback for execution when the client sends an (asynchronous)
		1139	exticmd packet. Exti commands are processed by the server as soon as they
		1140	are received, i.e. out of order w.r.t. other commands. The first argument
		1141	is a client socket. Exti commands can be received anytime, even before
		1142	log-in.
		1143
		1144	If the callback returns something, it is sent back as if reply was being
		1145	called.
		1146
907	=cut	1147	=cut
908		1148
909	sub register_extcmd {	1149	sub register_extcmd {
910	my ($name, $cb) = @_;	1150	my ($name, $cb) = @_;
911		1151
912	$EXTCMD{$name} = $cb;	1152	$EXTCMD{$name} = $cb;
		1153	}
		1154
		1155	sub register_exticmd {
		1156	my ($name, $cb) = @_;
		1157
		1158	$EXTICMD{$name} = $cb;
913	}	1159	}
914		1160
915	cf::player->attach (	1161	cf::player->attach (
916	on_command => sub {	1162	on_command => sub {
917	my ($pl, $name, $params) = @_;	1163	my ($pl, $name, $params) = @_;
…		…
926	cf::override;	1172	cf::override;
927	},	1173	},
928	on_extcmd => sub {	1174	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1175	my ($pl, $buf) = @_;
930		1176
931	my $msg = eval { from_json $buf };	1177	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1178
933	if (ref $msg) {	1179	if (ref $msg) {
		1180	my ($type, $reply, @payload) =
		1181	"ARRAY" eq ref $msg
		1182	? @$msg
		1183	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1184
		1185	my @reply;
		1186
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1187	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1188	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1189	}
		1190
		1191	$pl->ext_reply ($reply, @reply)
		1192	if $reply;
		1193
939	} else {	1194	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1195	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1196	}
942		1197
943	cf::override;	1198	cf::override;
944	},	1199	},
945	);	1200	);
946		1201
947	sub load_extension {
948	my ($path) = @_;
949
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
951	my $base = $1;
952	my $pkg = $1;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955
956	warn "... loading '$path' into '$pkg'\n";
957
958	open my $fh, "<:utf8", $path
959	or die "$path: $!";
960
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	unless (eval $source) {
968	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	warn $@;
972	warn "mandatory extension failed to load, exiting.\n";
973	exit 1;
974	}
975	die $@;
976	}
977
978	push @EXTS, $pkg;
979	}
980
981	sub load_extensions {	1202	sub load_extensions {
		1203	cf::sync_job {
		1204	my %todo;
		1205
982	for my $ext (<$LIBDIR/*.ext>) {	1206	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1207	next unless -r $path;
984	eval {	1208
985	load_extension $ext;	1209	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1210	my $base = $1;
		1211	my $pkg = $1;
		1212	$pkg =~ s/[^[:word:]]/_/g;
		1213	$pkg = "ext::$pkg";
		1214
		1215	open my $fh, "<:utf8", $path
		1216	or die "$path: $!";
		1217
		1218	my $source = do { local $/; <$fh> };
		1219
		1220	my %ext = (
		1221	path => $path,
		1222	base => $base,
		1223	pkg => $pkg,
		1224	);
		1225
		1226	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1227	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1228
		1229	$ext{source} =
		1230	"package $pkg; use strict; use utf8;\n"
		1231	. "#line 1 \"$path\"\n{\n"
		1232	. $source
		1233	. "\n};\n1";
		1234
		1235	$todo{$base} = \%ext;
		1236	}
		1237
		1238	my %done;
		1239	while (%todo) {
		1240	my $progress;
		1241
		1242	while (my ($k, $v) = each %todo) {
		1243	for (split /,\s*/, $v->{meta}{depends}) {
		1244	goto skip
		1245	unless exists $done{$_};
		1246	}
		1247
		1248	warn "... loading '$k' into '$v->{pkg}'\n";
		1249
		1250	unless (eval $v->{source}) {
		1251	my $msg = $@ ? "$v->{path}: $@\n"
		1252	: "$v->{base}: extension inactive.\n";
		1253
		1254	if (exists $v->{meta}{mandatory}) {
		1255	warn $msg;
		1256	warn "mandatory extension failed to load, exiting.\n";
		1257	exit 1;
		1258	}
		1259
		1260	warn $msg;
		1261	}
		1262
		1263	$done{$k} = delete $todo{$k};
		1264	push @EXTS, $v->{pkg};
		1265	$progress = 1;
986	1	1266	}
987	} or warn "$ext not loaded: $@";	1267
		1268	skip:
		1269	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1270	unless $progress;
		1271	}
988	}	1272	};
989	}	1273	}
990		1274
991	#############################################################################	1275	#############################################################################
992		1276
		1277	=back
		1278
993	=head2 CORE EXTENSIONS	1279	=head2 CORE EXTENSIONS
994		1280
995	Functions and methods that extend core crossfire objects.	1281	Functions and methods that extend core crossfire objects.
996		1282
997	=cut	1283	=cut
…		…
1001	use Coro::AIO;	1287	use Coro::AIO;
1002		1288
1003	=head3 cf::player	1289	=head3 cf::player
1004		1290
1005	=over 4	1291	=over 4
		1292
		1293	=item cf::player::num_playing
		1294
		1295	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1296
		1297	=cut
		1298
		1299	sub num_playing {
		1300	scalar grep
		1301	$_->ob->map
		1302	&& !$_->hidden
		1303	&& !$_->ob->flag (cf::FLAG_WIZ),
		1304	cf::player::list
		1305	}
1006		1306
1007	=item cf::player::find $login	1307	=item cf::player::find $login
1008		1308
1009	Returns the given player object, loading it if necessary (might block).	1309	Returns the given player object, loading it if necessary (might block).
1010		1310
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1346	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1347	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1348	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1349	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1350
1051	my $pl = load_pl path $login	1351	my $f = new_from_file cf::object::thawer path $login
1052	or return;	1352	or return;
		1353
		1354	my $pl = cf::player::load_pl $f
		1355	or return;
		1356	local $cf::PLAYER_LOADING{$login} = $pl;
		1357	$f->resolve_delayed_derefs;
1053	$cf::PLAYER{$login} = $pl	1358	$cf::PLAYER{$login} = $pl
1054	}	1359	}
1055	}	1360	}
1056	}	1361	}
1057		1362
…		…
1067		1372
1068	aio_mkdir playerdir $pl, 0770;	1373	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1374	$pl->{last_save} = $cf::RUNTIME;
1070		1375
1071	$pl->save_pl ($path);	1376	$pl->save_pl ($path);
1072	Coro::cede;	1377	cf::cede_to_tick;
1073	}	1378	}
1074		1379
1075	sub new($) {	1380	sub new($) {
1076	my ($login) = @_;	1381	my ($login) = @_;
1077		1382
…		…
1081	$self->{deny_save} = 1;	1386	$self->{deny_save} = 1;
1082		1387
1083	$cf::PLAYER{$login} = $self;	1388	$cf::PLAYER{$login} = $self;
1084		1389
1085	$self	1390	$self
		1391	}
		1392
		1393	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1394
		1395	=cut
		1396
		1397	sub send_msg {
		1398	my $ns = shift->ns
		1399	or return;
		1400	$ns->send_msg (@_);
1086	}	1401	}
1087		1402
1088	=item $pl->quit_character	1403	=item $pl->quit_character
1089		1404
1090	Nukes the player without looking back. If logged in, the connection will	1405	Nukes the player without looking back. If logged in, the connection will
…		…
1145	or return [];	1460	or return [];
1146		1461
1147	my @logins;	1462	my @logins;
1148		1463
1149	for my $login (@$dirs) {	1464	for my $login (@$dirs) {
		1465	my $path = path $login;
		1466
		1467	# a .pst is a dead give-away for a valid player
		1468	unless (-e "$path.pst") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1469	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1470	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1471	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1472	}
1153		1473
1154	utf8::decode $login;	1474	utf8::decode $login;
1155	push @logins, $login;	1475	push @logins, $login;
1156	}	1476	}
1157		1477
…		…
1184	}	1504	}
1185		1505
1186	\@paths	1506	\@paths
1187	}	1507	}
1188		1508
		1509	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1510
		1511	Expand crossfire pod fragments into protocol xml.
		1512
		1513	=cut
		1514
		1515	sub expand_cfpod {
		1516	((my $self), (local $_)) = @_;
		1517
		1518	# escape & and <
		1519	s/&/&amp;/g;
		1520	s/(?<![BIUGHT])</&lt;/g;
		1521
		1522	# this is buggy, it needs to properly take care of nested <'s
		1523
		1524	1 while
		1525	# replace B<>, I<>, U<> etc.
		1526	s/B<([^\>]*)>/<b>$1<\/b>/
		1527	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1528	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1529	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1530	# replace G<male|female> tags
		1531	|| s{G<([^>|]*)\|([^>]*)>}{
		1532	$self->gender ? $2 : $1
		1533	}ge
		1534	# replace H<hint text>
		1535	|| s{H<([^\>]*)>}
		1536	{
		1537	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1538	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1539	"")
		1540	[$self->{hintmode}]
		1541	}ge;
		1542
		1543	# create single paragraphs (very hackish)
		1544	s/(?<=\S)\n(?=\w)/ /g;
		1545
		1546	# compress some whitespace
		1547	s/\s+\n/\n/g; # ws line-ends
		1548	s/\n\n+/\n/g; # double lines
		1549	s/^\n+//; # beginning lines
		1550	s/\n+$//; # ending lines
		1551
		1552	$_
		1553	}
		1554
		1555	sub hintmode {
		1556	$_[0]{hintmode} = $_[1] if @_ > 1;
		1557	$_[0]{hintmode}
		1558	}
		1559
1189	=item $player->ext_reply ($msgid, %msg)	1560	=item $player->ext_reply ($msgid, @msg)
1190		1561
1191	Sends an ext reply to the player.	1562	Sends an ext reply to the player.
1192		1563
1193	=cut	1564	=cut
1194		1565
1195	sub ext_reply($$%) {	1566	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1567	my ($self, $id, @msg) = @_;
1197		1568
1198	$msg{msgid} = $id;	1569	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1570	}
1202		1571
1203	=item $player->ext_event ($type, %msg)	1572	=item $player->ext_msg ($type, @msg)
1204		1573
1205	Sends an ext event to the client.	1574	Sends an ext event to the client.
1206		1575
1207	=cut	1576	=cut
1208		1577
1209	sub ext_event($$%) {	1578	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1579	my ($self, $type, @msg) = @_;
1211		1580
1212	$self->ns->ext_event ($type, %msg);	1581	$self->ns->ext_msg ($type, @msg);
1213	}	1582	}
1214		1583
1215	=head3 cf::region	1584	=head3 cf::region
1216		1585
1217	=over 4	1586	=over 4
…		…
1220		1589
1221	package cf::region;	1590	package cf::region;
1222		1591
1223	=item cf::region::find_by_path $path	1592	=item cf::region::find_by_path $path
1224		1593
1225	Tries to decuce the probable region for a map knowing only its path.	1594	Tries to decuce the likely region for a map knowing only its path.
1226		1595
1227	=cut	1596	=cut
1228		1597
1229	sub find_by_path($) {	1598	sub find_by_path($) {
1230	my ($path) = @_;	1599	my ($path) = @_;
1231		1600
1232	my ($match, $specificity);	1601	my ($match, $specificity);
1233		1602
1234	for my $region (list) {	1603	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1604	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1605	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1606	if $region->specificity > $specificity;
1238	}	1607	}
1239	}	1608	}
1240		1609
…		…
1304	my ($self, $merge) = @_;	1673	my ($self, $merge) = @_;
1305		1674
1306	# we have to keep some variables in memory intact	1675	# we have to keep some variables in memory intact
1307	local $self->{path};	1676	local $self->{path};
1308	local $self->{load_path};	1677	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1678
1312	$self->SUPER::thawer_merge ($merge);	1679	$self->SUPER::thawer_merge ($merge);
1313	}	1680	}
1314		1681
1315	sub normalise {	1682	sub normalise {
…		…
1362	$self->init; # pass $1 etc.	1729	$self->init; # pass $1 etc.
1363	return $self;	1730	return $self;
1364	}	1731	}
1365	}	1732	}
1366		1733
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	1734	Carp::cluck "unable to resolve path '$path' (base '$base').";
1368	()	1735	()
1369	}	1736	}
1370		1737
1371	sub init {	1738	sub init {
1372	my ($self) = @_;	1739	my ($self) = @_;
…		…
1415		1782
1416	$_->change_map_light ($change)	1783	$_->change_map_light ($change)
1417	for grep $_->outdoor, values %cf::MAP;	1784	for grep $_->outdoor, values %cf::MAP;
1418	}	1785	}
1419		1786
		1787	sub decay_objects {
		1788	my ($self) = @_;
		1789
		1790	return if $self->{deny_reset};
		1791
		1792	$self->do_decay_objects;
		1793	}
		1794
1420	sub unlink_save {	1795	sub unlink_save {
1421	my ($self) = @_;	1796	my ($self) = @_;
1422		1797
1423	utf8::encode (my $save = $self->save_path);	1798	utf8::encode (my $save = $self->save_path);
1424	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1799	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1427		1802
1428	sub load_header_from($) {	1803	sub load_header_from($) {
1429	my ($self, $path) = @_;	1804	my ($self, $path) = @_;
1430		1805
1431	utf8::encode $path;	1806	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	1807	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	or return;	1808	or return;
		1809
		1810	$self->_load_header ($f)
		1811	or return;
		1812
		1813	local $MAP_LOADING{$self->{path}} = $self;
		1814	$f->resolve_delayed_derefs;
1437		1815
1438	$self->{load_path} = $path;	1816	$self->{load_path} = $path;
1439		1817
1440	1	1818	1
1441	}	1819	}
…		…
1480	$self->load_header_orig	1858	$self->load_header_orig
1481	or return;	1859	or return;
1482	$self->prepare_orig;	1860	$self->prepare_orig;
1483	}	1861	}
1484		1862
		1863	$self->{deny_reset} = 1
		1864	if $self->no_reset;
		1865
1485	$self->default_region (cf::region::find_by_path $self->{path})	1866	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	1867	unless $self->default_region;
1487		1868
1488	1	1869	1
1489	}	1870	}
…		…
1492	sub find {	1873	sub find {
1493	my ($path, $origin) = @_;	1874	my ($path, $origin) = @_;
1494		1875
1495	$path = normalise $path, $origin && $origin->path;	1876	$path = normalise $path, $origin && $origin->path;
1496		1877
		1878	cf::lock_wait "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	1879	cf::lock_wait "map_find:$path";
1498		1880
1499	$cf::MAP{$path} || do {	1881	$cf::MAP{$path} || do {
1500	my $guard = cf::lock_acquire "map_find:$path";	1882	my $guard1 = cf::lock_acquire "map_find:$path";
		1883	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1884
1501	my $map = new_from_path cf::map $path	1885	my $map = new_from_path cf::map $path
1502	or return;	1886	or return;
1503		1887
1504	$map->{last_save} = $cf::RUNTIME;	1888	$map->{last_save} = $cf::RUNTIME;
1505		1889
1506	$map->load_header	1890	$map->load_header
1507	or return;	1891	or return;
1508		1892
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1893	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	1894	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	1895	#$cf::WAIT_FOR_TICK->wait;
		1896	undef $guard1;
		1897	undef $guard2;
1512	$map->reset;	1898	$map->reset;
1513	undef $guard;
1514	return find $path;	1899	return find $path;
1515	}	1900	}
1516		1901
1517	$cf::MAP{$path} = $map	1902	$cf::MAP{$path} = $map
1518	}	1903	}
…		…
1527	local $self->{deny_reset} = 1; # loading can take a long time	1912	local $self->{deny_reset} = 1; # loading can take a long time
1528		1913
1529	my $path = $self->{path};	1914	my $path = $self->{path};
1530		1915
1531	{	1916	{
1532	my $guard = cf::lock_acquire "map_load:$path";	1917	my $guard = cf::lock_acquire "map_data:$path";
1533		1918
		1919	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	1920	return unless $self->in_memory == cf::MAP_SWAPPED;
1535		1921
1536	$self->in_memory (cf::MAP_LOADING);	1922	$self->in_memory (cf::MAP_LOADING);
1537		1923
1538	$self->alloc;	1924	$self->alloc;
1539		1925
1540	$self->pre_load;	1926	$self->pre_load;
1541	Coro::cede;	1927	cf::cede_to_tick;
1542		1928
		1929	my $f = new_from_file cf::object::thawer $self->{load_path};
		1930	$f->skip_block;
1543	$self->_load_objects ($self->{load_path}, 1)	1931	$self->_load_objects ($f)
1544	or return;	1932	or return;
1545		1933
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1934	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1547	if delete $self->{load_original};	1935	if delete $self->{load_original};
1548		1936
1549	if (my $uniq = $self->uniq_path) {	1937	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	1938	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	1939	unless (aio_stat $uniq) {
		1940	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	1941	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	1942	$self->_load_objects ($f);
		1943	$f->resolve_delayed_derefs;
		1944	}
1554	}	1945	}
1555	}	1946	}
1556		1947
1557	Coro::cede;	1948	$f->resolve_delayed_derefs;
		1949
		1950	cf::cede_to_tick;
1558	# now do the right thing for maps	1951	# now do the right thing for maps
1559	$self->link_multipart_objects;	1952	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	1953	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	1954	unless $self->difficulty;
1562	Coro::cede;	1955	cf::cede_to_tick;
1563		1956
1564	unless ($self->{deny_activate}) {	1957	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	1958	$self->decay_objects;
1566	$self->fix_auto_apply;	1959	$self->fix_auto_apply;
1567	$self->update_buttons;	1960	$self->update_buttons;
1568	Coro::cede;	1961	cf::cede_to_tick;
1569	$self->set_darkness_map;	1962	$self->set_darkness_map;
1570	Coro::cede;	1963	cf::cede_to_tick;
1571	$self->activate;	1964	$self->activate;
1572	}	1965	}
		1966
		1967	$self->{last_save} = $cf::RUNTIME;
		1968	$self->last_access ($cf::RUNTIME);
1573		1969
1574	$self->in_memory (cf::MAP_IN_MEMORY);	1970	$self->in_memory (cf::MAP_IN_MEMORY);
1575	}	1971	}
1576		1972
1577	$self->post_load;	1973	$self->post_load;
…		…
1581	my ($self, $ob) = @_;	1977	my ($self, $ob) = @_;
1582		1978
1583	return find "~" . $ob->name . "/" . $self->{path}	1979	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	1980	if $self->per_player;
1585		1981
		1982	# return find "?party/" . $ob->name . "/" . $self->{path}
		1983	# if $self->per_party;
		1984
1586	$self	1985	$self
1587	}	1986	}
1588		1987
1589	# find and load all maps in the 3x3 area around a map	1988	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	1989	sub load_neighbours {
1591	my ($map) = @_;	1990	my ($map) = @_;
1592		1991
1593	my @diag; # diagonal neighbours	1992	my @neigh; # diagonal neighbours
1594		1993
1595	for (0 .. 3) {	1994	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)	1995	my $neigh = $map->tile_path ($_)
1597	or next;	1996	or next;
1598	$neigh = find $neigh, $map	1997	$neigh = find $neigh, $map
1599	or next;	1998	or next;
1600	$neigh->load;	1999	$neigh->load;
1601		2000
		2001	push @neigh,
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2002	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2003	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}	2004	}
1605		2005
1606	for (@diag) {	2006	for (grep defined $_->[0], @neigh) {
		2007	my ($path, $origin) = @$_;
1607	my $neigh = find @$_	2008	my $neigh = find $path, $origin
1608	or next;	2009	or next;
1609	$neigh->load;	2010	$neigh->load;
1610	}	2011	}
1611	}	2012	}
1612		2013
…		…
1617	}	2018	}
1618		2019
1619	sub do_load_sync {	2020	sub do_load_sync {
1620	my ($map) = @_;	2021	my ($map) = @_;
1621		2022
		2023	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2024	if $Coro::current == $Coro::main;
		2025
1622	cf::sync_job { $map->load };	2026	cf::sync_job { $map->load };
1623	}	2027	}
1624		2028
1625	our %MAP_PREFETCH;	2029	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2030	our $MAP_PREFETCHER = undef;
1627		2031
1628	sub find_async {	2032	sub find_async {
1629	my ($path, $origin) = @_;	2033	my ($path, $origin, $load) = @_;
1630		2034
1631	$path = normalise $path, $origin && $origin->{path};	2035	$path = normalise $path, $origin && $origin->{path};
1632		2036
1633	if (my $map = $cf::MAP{$path}) {	2037	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2038	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1635	}	2039	}
1636		2040
1637	undef $MAP_PREFETCH{$path};	2041	$MAP_PREFETCH{$path} |= $load;
		2042
1638	$MAP_PREFETCHER ||= cf::async {	2043	$MAP_PREFETCHER ||= cf::async {
		2044	$Coro::current->{desc} = "map prefetcher";
		2045
1639	while (%MAP_PREFETCH) {	2046	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2047	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2048	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2049	$map->load if $v;
		2050	}
1644		2051
1645	delete $MAP_PREFETCH{$path};	2052	delete $MAP_PREFETCH{$k};
1646	}	2053	}
1647	}	2054	}
1648	undef $MAP_PREFETCHER;	2055	undef $MAP_PREFETCHER;
1649	};	2056	};
1650	$MAP_PREFETCHER->prio (6);	2057	$MAP_PREFETCHER->prio (6);
…		…
1653	}	2060	}
1654		2061
1655	sub save {	2062	sub save {
1656	my ($self) = @_;	2063	my ($self) = @_;
1657		2064
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	2065	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		2066
1660	$self->{last_save} = $cf::RUNTIME;	2067	$self->{last_save} = $cf::RUNTIME;
1661		2068
1662	return unless $self->dirty;	2069	return unless $self->dirty;
1663		2070
…		…
1669	return if $self->{deny_save};	2076	return if $self->{deny_save};
1670		2077
1671	local $self->{last_access} = $self->last_access;#d#	2078	local $self->{last_access} = $self->last_access;#d#
1672		2079
1673	cf::async {	2080	cf::async {
		2081	$Coro::current->{desc} = "map player save";
1674	$_->contr->save for $self->players;	2082	$_->contr->save for $self->players;
1675	};	2083	};
1676		2084
1677	if ($uniq) {	2085	if ($uniq) {
1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2086	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1686	my ($self) = @_;	2094	my ($self) = @_;
1687		2095
1688	# save first because save cedes	2096	# save first because save cedes
1689	$self->save;	2097	$self->save;
1690		2098
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2099	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2100
1693	return if $self->players;	2101	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;	2102	return if $self->in_memory != cf::MAP_IN_MEMORY;
1695	return if $self->{deny_save};	2103	return if $self->{deny_save};
1696		2104
		2105	$self->in_memory (cf::MAP_SWAPPED);
		2106
		2107	$self->deactivate;
		2108	$_->clear_links_to ($self) for values %cf::MAP;
1697	$self->clear;	2109	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2110	}
1700		2111
1701	sub reset_at {	2112	sub reset_at {
1702	my ($self) = @_;	2113	my ($self) = @_;
1703		2114
1704	# TODO: safety, remove and allow resettable per-player maps	2115	# TODO: safety, remove and allow resettable per-player maps
1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1706	return 1e99 if $self->{deny_reset};	2116	return 1e99 if $self->{deny_reset};
1707		2117
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2118	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2119	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2120
…		…
1721	my ($self) = @_;	2131	my ($self) = @_;
1722		2132
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2133	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2134
1725	return if $self->players;	2135	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2136
1728	warn "resetting map ", $self->path;#d#	2137	warn "resetting map ", $self->path;
1729		2138
1730	$self->in_memory (cf::MAP_SWAPPED);	2139	$self->in_memory (cf::MAP_SWAPPED);
1731		2140
1732	# need to save uniques path	2141	# need to save uniques path
1733	unless ($self->{deny_save}) {	2142	unless ($self->{deny_save}) {
…		…
1737	if $uniq;	2146	if $uniq;
1738	}	2147	}
1739		2148
1740	delete $cf::MAP{$self->path};	2149	delete $cf::MAP{$self->path};
1741		2150
		2151	$self->deactivate;
		2152	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2153	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2154
1746	$self->unlink_save;	2155	$self->unlink_save;
1747	$self->destroy;	2156	$self->destroy;
1748	}	2157	}
1749		2158
1750	my $nuke_counter = "aaaa";	2159	my $nuke_counter = "aaaa";
1751		2160
1752	sub nuke {	2161	sub nuke {
1753	my ($self) = @_;	2162	my ($self) = @_;
1754		2163
		2164	{
		2165	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2166
1755	delete $cf::MAP{$self->path};	2167	delete $cf::MAP{$self->path};
1756		2168
1757	$self->unlink_save;	2169	$self->unlink_save;
1758		2170
1759	bless $self, "cf::map";	2171	bless $self, "cf::map";
1760	delete $self->{deny_reset};	2172	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2173	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2174	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2175	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2176
1765	$cf::MAP{$self->path} = $self;	2177	$cf::MAP{$self->path} = $self;
		2178	}
1766		2179
1767	$self->reset; # polite request, might not happen	2180	$self->reset; # polite request, might not happen
		2181	}
		2182
		2183	=item $maps = cf::map::tmp_maps
		2184
		2185	Returns an arrayref with all map paths of currently instantiated and saved
		2186	maps. May block.
		2187
		2188	=cut
		2189
		2190	sub tmp_maps() {
		2191	[
		2192	map {
		2193	utf8::decode $_;
		2194	/\.map$/
		2195	? normalise $_
		2196	: ()
		2197	} @{ aio_readdir $TMPDIR or [] }
		2198	]
		2199	}
		2200
		2201	=item $maps = cf::map::random_maps
		2202
		2203	Returns an arrayref with all map paths of currently instantiated and saved
		2204	random maps. May block.
		2205
		2206	=cut
		2207
		2208	sub random_maps() {
		2209	[
		2210	map {
		2211	utf8::decode $_;
		2212	/\.map$/
		2213	? normalise "?random/$_"
		2214	: ()
		2215	} @{ aio_readdir $RANDOMDIR or [] }
		2216	]
1768	}	2217	}
1769		2218
1770	=item cf::map::unique_maps	2219	=item cf::map::unique_maps
1771		2220
1772	Returns an arrayref of paths of all shared maps that have	2221	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2222	instantiated unique items. May block.
1774		2223
1775	=cut	2224	=cut
1776		2225
1777	sub unique_maps() {	2226	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2227	[
1779	or return;	2228	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2229	utf8::decode $_;
1785	next if /\.pst$/;	2230	/\.map$/
1786	next unless /^$PATH_SEP/o;	2231	? normalise $_
1787		2232	: ()
1788	push @paths, cf::map::normalise $_;	2233	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2234	]
1790
1791	\@paths
1792	}	2235	}
1793		2236
1794	package cf;	2237	package cf;
1795		2238
1796	=back	2239	=back
…		…
1814	map { $_, inv_recursive_ $_->inv } @_	2257	map { $_, inv_recursive_ $_->inv } @_
1815	}	2258	}
1816		2259
1817	sub inv_recursive {	2260	sub inv_recursive {
1818	inv_recursive_ inv $_[0]	2261	inv_recursive_ inv $_[0]
		2262	}
		2263
		2264	=item $ref = $ob->ref
		2265
		2266	creates and returns a persistent reference to an objetc that can be stored as a string.
		2267
		2268	=item $ob = cf::object::deref ($refstring)
		2269
		2270	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2271	even if the object actually exists. May block.
		2272
		2273	=cut
		2274
		2275	sub deref {
		2276	my ($ref) = @_;
		2277
		2278	# temporary compatibility#TODO#remove
		2279	$ref =~ s{^<}{player/<};
		2280
		2281	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2282	my ($uuid, $name) = ($1, $2);
		2283	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2284	or return;
		2285	$pl->ob->uuid eq $uuid
		2286	or return;
		2287
		2288	$pl->ob
		2289	} else {
		2290	warn "$ref: cannot resolve object reference\n";
		2291	undef
		2292	}
1819	}	2293	}
1820		2294
1821	package cf;	2295	package cf;
1822		2296
1823	=back	2297	=back
…		…
1842		2316
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2317	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2318
1845	if ($self->{record_replies}) {	2319	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2320	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2321
1847	} else {	2322	} else {
		2323	my $pl = $self->contr;
		2324
		2325	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2326	my $dialog = $pl->{npc_dialog};
		2327	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2328
		2329	} else {
1848	$msg = $npc->name . " says: $msg" if $npc;	2330	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2331	$self->message ($msg, $flags);
		2332	}
1850	}	2333	}
		2334	}
		2335
		2336	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2337
		2338	=cut
		2339
		2340	sub cf::object::send_msg {
		2341	my $pl = shift->contr
		2342	or return;
		2343	$pl->send_msg (@_);
1851	}	2344	}
1852		2345
1853	=item $player_object->may ("access")	2346	=item $player_object->may ("access")
1854		2347
1855	Returns wether the given player is authorized to access resource "access"	2348	Returns wether the given player is authorized to access resource "access"
…		…
1902	$self->deactivate_recursive;	2395	$self->deactivate_recursive;
1903		2396
1904	return if UNIVERSAL::isa $self->map, "ext::map_link";	2397	return if UNIVERSAL::isa $self->map, "ext::map_link";
1905		2398
1906	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2399	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1907	if $self->map;	2400	if $self->map && $self->map->{path} ne "{link}";
1908		2401
1909	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2402	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1910	}	2403	}
1911		2404
1912	sub cf::object::player::leave_link {	2405	sub cf::object::player::leave_link {
1913	my ($self, $map, $x, $y) = @_;	2406	my ($self, $map, $x, $y) = @_;
		2407
		2408	return unless $self->contr->active;
1914		2409
1915	my $link_pos = delete $self->{_link_pos};	2410	my $link_pos = delete $self->{_link_pos};
1916		2411
1917	unless ($map) {	2412	unless ($map) {
1918	# restore original map position	2413	# restore original map position
…		…
1932	# use -1 or undef as default coordinates, not 0, 0	2427	# use -1 or undef as default coordinates, not 0, 0
1933	($x, $y) = ($map->enter_x, $map->enter_y)	2428	($x, $y) = ($map->enter_x, $map->enter_y)
1934	if $x <=0 && $y <= 0;	2429	if $x <=0 && $y <= 0;
1935		2430
1936	$map->load;	2431	$map->load;
1937	$map->load_diag;	2432	$map->load_neighbours;
1938		2433
1939	return unless $self->contr->active;	2434	return unless $self->contr->active;
1940	$self->activate_recursive;	2435	$self->activate_recursive;
1941		2436
1942	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2437	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1943	$self->enter_map ($map, $x, $y);	2438	$self->enter_map ($map, $x, $y);
1944	}	2439	}
1945		2440
1946	cf::player->attach (	2441	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1947	on_logout => sub {
1948	my ($pl) = @_;
1949		2442
1950	# abort map switching before logout	2443	Moves the player to the given map-path and coordinates by first freezing
1951	if ($pl->ob->{_link_pos}) {	2444	her, loading and preparing them map, calling the provided $check callback
1952	cf::sync_job {	2445	that has to return the map if sucecssful, and then unfreezes the player on
1953	$pl->ob->leave_link	2446	the new (success) or old (failed) map position. In either case, $done will
1954	};	2447	be called at the end of this process.
1955	}
1956	},
1957	on_login => sub {
1958	my ($pl) = @_;
1959		2448
1960	# try to abort aborted map switching on player login :)
1961	# should happen only on crashes
1962	if ($pl->ob->{_link_pos}) {
1963	$pl->ob->enter_link;
1964	(async {
1965	$pl->ob->reply (undef,
1966	"There was an internal problem at your last logout, "
1967	. "the server will try to bring you to your intended destination in a second.",
1968	cf::NDI_RED);
1969	# we need this sleep as the login has a concurrent enter_exit running
1970	# and this sleep increases chances of the player not ending up in scorn
1971	Coro::Timer::sleep 1;
1972	$pl->ob->leave_link;
1973	})->prio (2);
1974	}
1975	},
1976	);
1977
1978	=item $player_object->goto ($path, $x, $y)
1979
1980	=cut	2449	=cut
		2450
		2451	our $GOTOGEN;
1981		2452
1982	sub cf::object::player::goto {	2453	sub cf::object::player::goto {
1983	my ($self, $path, $x, $y) = @_;	2454	my ($self, $path, $x, $y, $check, $done) = @_;
		2455
		2456	# do generation counting so two concurrent goto's will be executed in-order
		2457	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1984		2458
1985	$self->enter_link;	2459	$self->enter_link;
1986		2460
1987	(async {	2461	(async {
		2462	$Coro::current->{desc} = "player::goto $path $x $y";
		2463
		2464	# *tag paths override both path and x|y
		2465	if ($path =~ /^\*(.*)$/) {
		2466	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2467	my $ob = $obs[rand @obs];
		2468
		2469	# see if we actually can go there
		2470	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2471	$ob = $obs[rand @obs];
		2472	} else {
		2473	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2474	}
		2475	# else put us there anyways for now #d#
		2476
		2477	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2478	} else {
		2479	($path, $x, $y) = (undef, undef, undef);
		2480	}
		2481	}
		2482
1988	my $map = eval {	2483	my $map = eval {
1989	my $map = cf::map::find $path;	2484	my $map = defined $path ? cf::map::find $path : undef;
		2485
		2486	if ($map) {
1990	$map = $map->customise_for ($self) if $map;	2487	$map = $map->customise_for ($self);
		2488	$map = $check->($map) if $check && $map;
		2489	} else {
		2490	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2491	}
		2492
1991	$map	2493	$map
		2494	};
		2495
		2496	if ($@) {
		2497	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2498	LOG llevError | logBacktrace, Carp::longmess $@;
1992	} or	2499	}
1993	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1994		2500
		2501	if ($gen == $self->{_goto_generation}) {
		2502	delete $self->{_goto_generation};
1995	$self->leave_link ($map, $x, $y);	2503	$self->leave_link ($map, $x, $y);
		2504	}
		2505
		2506	$done->() if $done;
1996	})->prio (1);	2507	})->prio (1);
1997	}	2508	}
1998		2509
1999	=item $player_object->enter_exit ($exit_object)	2510	=item $player_object->enter_exit ($exit_object)
2000		2511
…		…
2069	my $hp = $exit->stats->hp;	2580	my $hp = $exit->stats->hp;
2070	my $sp = $exit->stats->sp;	2581	my $sp = $exit->stats->sp;
2071		2582
2072	$self->enter_link;	2583	$self->enter_link;
2073		2584
		2585	# if exit is damned, update players death & WoR home-position
		2586	$self->contr->savebed ($slaying, $hp, $sp)
		2587	if $exit->flag (FLAG_DAMNED);
		2588
2074	(async {	2589	(async {
		2590	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2591
2075	$self->deactivate_recursive; # just to be sure	2592	$self->deactivate_recursive; # just to be sure
2076	unless (eval {	2593	unless (eval {
2077	$self->goto ($slaying, $hp, $sp);	2594	$self->goto ($slaying, $hp, $sp);
2078		2595
2079	1;	2596	1;
…		…
2105		2622
2106	utf8::encode $text;	2623	utf8::encode $text;
2107	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2624	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2108	}	2625	}
2109		2626
		2627	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2628
		2629	Send a drawinfo or msg packet to the client, formatting the msg for the
		2630	client if neccessary. C<$type> should be a string identifying the type of
		2631	the message, with C<log> being the default. If C<$color> is negative, suppress
		2632	the message unless the client supports the msg packet.
		2633
		2634	=cut
		2635
		2636	our %CHANNEL = (
		2637	"c/identify" => {
		2638	id => "infobox",
		2639	title => "Identify",
		2640	reply => undef,
		2641	tooltip => "Items recently identified",
		2642	},
		2643	"c/examine" => {
		2644	id => "infobox",
		2645	title => "Examine",
		2646	reply => undef,
		2647	tooltip => "Signs and other items you examined",
		2648	},
		2649	"c/lookat" => {
		2650	id => "infobox",
		2651	title => "Look",
		2652	reply => undef,
		2653	tooltip => "What you saw there",
		2654	},
		2655	);
		2656
		2657	sub cf::client::send_msg {
		2658	my ($self, $channel, $msg, $color, @extra) = @_;
		2659
		2660	$msg = $self->pl->expand_cfpod ($msg);
		2661
		2662	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2663
		2664	# check predefined channels, for the benefit of C
		2665	if ($CHANNEL{$channel}) {
		2666	$channel = $CHANNEL{$channel};
		2667
		2668	$self->ext_msg (channel_info => $channel)
		2669	if $self->can_msg;
		2670
		2671	$channel = $channel->{id};
		2672
		2673	} elsif (ref $channel) {
		2674	# send meta info to client, if not yet sent
		2675	unless (exists $self->{channel}{$channel->{id}}) {
		2676	$self->{channel}{$channel->{id}} = $channel;
		2677	$self->ext_msg (channel_info => $channel)
		2678	if $self->can_msg;
		2679	}
		2680
		2681	$channel = $channel->{id};
		2682	}
		2683
		2684	return unless @extra || length $msg;
		2685
		2686	if ($self->can_msg) {
		2687	# default colour, mask it out
		2688	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2689	if $color & cf::NDI_DEF;
		2690
		2691	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2692	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2693	} else {
		2694	if ($color >= 0) {
		2695	# replace some tags by gcfclient-compatible ones
		2696	for ($msg) {
		2697	1 while
		2698	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2699	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2700	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2701	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2702	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2703	}
		2704
		2705	$color &= cf::NDI_COLOR_MASK;
		2706
		2707	utf8::encode $msg;
		2708
		2709	if (0 && $msg =~ /\[/) {
		2710	# COMMAND/INFO
		2711	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2712	} else {
		2713	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2714	$self->send_packet ("drawinfo $color $msg")
		2715	}
		2716	}
		2717	}
		2718	}
		2719
2110	=item $client->ext_event ($type, %msg)	2720	=item $client->ext_msg ($type, @msg)
2111		2721
2112	Sends an exti event to the client.	2722	Sends an ext event to the client.
2113		2723
2114	=cut	2724	=cut
2115		2725
2116	sub cf::client::ext_event($$%) {	2726	sub cf::client::ext_msg($$@) {
2117	my ($self, $type, %msg) = @_;	2727	my ($self, $type, @msg) = @_;
2118		2728
		2729	if ($self->extcmd == 2) {
		2730	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2731	} elsif ($self->extcmd == 1) { # TODO: remove
2119	$msg{msgtype} = "event_$type";	2732	push @msg, msgtype => "event_$type";
2120	$self->send_packet ("ext " . cf::to_json \%msg);	2733	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2734	}
		2735	}
		2736
		2737	=item $client->ext_reply ($msgid, @msg)
		2738
		2739	Sends an ext reply to the client.
		2740
		2741	=cut
		2742
		2743	sub cf::client::ext_reply($$@) {
		2744	my ($self, $id, @msg) = @_;
		2745
		2746	if ($self->extcmd == 2) {
		2747	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2748	} elsif ($self->extcmd == 1) {
		2749	#TODO: version 1, remove
		2750	unshift @msg, msgtype => "reply", msgid => $id;
		2751	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2752	}
2121	}	2753	}
2122		2754
2123	=item $success = $client->query ($flags, "text", \&cb)	2755	=item $success = $client->query ($flags, "text", \&cb)
2124		2756
2125	Queues a query to the client, calling the given callback with	2757	Queues a query to the client, calling the given callback with
2126	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2758	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2127	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2759	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2128		2760
2129	Queries can fail, so check the return code. Or don't, as queries will become	2761	Queries can fail, so check the return code. Or don't, as queries will
2130	reliable at some point in the future.	2762	become reliable at some point in the future.
2131		2763
2132	=cut	2764	=cut
2133		2765
2134	sub cf::client::query {	2766	sub cf::client::query {
2135	my ($self, $flags, $text, $cb) = @_;	2767	my ($self, $flags, $text, $cb) = @_;
…		…
2143	utf8::encode $text;	2775	utf8::encode $text;
2144	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2776	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2145		2777
2146	$self->send_packet ($self->{query_queue}[0][0])	2778	$self->send_packet ($self->{query_queue}[0][0])
2147	if @{ $self->{query_queue} } == 1;	2779	if @{ $self->{query_queue} } == 1;
		2780
		2781	1
2148	}	2782	}
2149		2783
2150	cf::client->attach (	2784	cf::client->attach (
		2785	on_connect => sub {
		2786	my ($ns) = @_;
		2787
		2788	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2789	},
2151	on_reply => sub {	2790	on_reply => sub {
2152	my ($ns, $msg) = @_;	2791	my ($ns, $msg) = @_;
2153		2792
2154	# this weird shuffling is so that direct followup queries	2793	# this weird shuffling is so that direct followup queries
2155	# get handled first	2794	# get handled first
…		…
2167	} else {	2806	} else {
2168	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2807	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2169	}	2808	}
2170	}	2809	}
2171	},	2810	},
		2811	on_exticmd => sub {
		2812	my ($ns, $buf) = @_;
		2813
		2814	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2815
		2816	if (ref $msg) {
		2817	my ($type, $reply, @payload) =
		2818	"ARRAY" eq ref $msg
		2819	? @$msg
		2820	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2821
		2822	my @reply;
		2823
		2824	if (my $cb = $EXTICMD{$type}) {
		2825	@reply = $cb->($ns, @payload);
		2826	}
		2827
		2828	$ns->ext_reply ($reply, @reply)
		2829	if $reply;
		2830
		2831	} else {
		2832	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2833	}
		2834
		2835	cf::override;
		2836	},
2172	);	2837	);
2173		2838
2174	=item $client->async (\&cb)	2839	=item $client->async (\&cb)
2175		2840
2176	Create a new coroutine, running the specified callback. The coroutine will	2841	Create a new coroutine, running the specified callback. The coroutine will
…		…
2217	our $safe = new Safe "safe";	2882	our $safe = new Safe "safe";
2218	our $safe_hole = new Safe::Hole;	2883	our $safe_hole = new Safe::Hole;
2219		2884
2220	$SIG{FPE} = 'IGNORE';	2885	$SIG{FPE} = 'IGNORE';
2221		2886
2222	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2887	$safe->permit_only (Opcode::opset qw(
		2888	:base_core :base_mem :base_orig :base_math
		2889	grepstart grepwhile mapstart mapwhile
		2890	sort time
		2891	));
2223		2892
2224	# here we export the classes and methods available to script code	2893	# here we export the classes and methods available to script code
2225		2894
2226	=pod	2895	=pod
2227		2896
2228	The following functions and methods are available within a safe environment:	2897	The following functions and methods are available within a safe environment:
2229		2898
2230	cf::object contr pay_amount pay_player map	2899	cf::object
		2900	contr pay_amount pay_player map x y force_find force_add
		2901	insert remove name archname title slaying race decrease_ob_nr
		2902
2231	cf::object::player player	2903	cf::object::player
2232	cf::player peaceful	2904	player
2233	cf::map trigger	2905
		2906	cf::player
		2907	peaceful
		2908
		2909	cf::map
		2910	trigger
2234		2911
2235	=cut	2912	=cut
2236		2913
2237	for (	2914	for (
2238	["cf::object" => qw(contr pay_amount pay_player map)],	2915	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2916	insert remove inv name archname title slaying race
		2917	decrease_ob_nr)],
2239	["cf::object::player" => qw(player)],	2918	["cf::object::player" => qw(player)],
2240	["cf::player" => qw(peaceful)],	2919	["cf::player" => qw(peaceful)],
2241	["cf::map" => qw(trigger)],	2920	["cf::map" => qw(trigger)],
2242	) {	2921	) {
2243	no strict 'refs';	2922	no strict 'refs';
…		…
2314	=back	2993	=back
2315		2994
2316	=cut	2995	=cut
2317		2996
2318	#############################################################################	2997	#############################################################################
2319
2320	=head2 EXTENSION DATABASE SUPPORT
2321
2322	Crossfire maintains a very simple database for extension use. It can
2323	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2324	convert to/from binary).
2325
2326	The parameter C<$family> should best start with the name of the extension
2327	using it, it should be unique.
2328
2329	=over 4
2330
2331	=item $value = cf::db_get $family => $key
2332
2333	Returns a single value from the database.
2334
2335	=item cf::db_put $family => $key => $value
2336
2337	Stores the given C<$value> in the family.
2338
2339	=cut
2340
2341	our $DB;
2342
2343	sub db_init {
2344	unless ($DB) {
2345	$DB = BDB::db_create $DB_ENV;
2346
2347	cf::sync_job {
2348	eval {
2349	$DB->set_flags (BDB::CHKSUM);
2350
2351	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2352	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2353	cf::cleanup "db_open(db): $!" if $!;
2354	};
2355	cf::cleanup "db_open(db): $@" if $@;
2356	};
2357	}
2358	}
2359
2360	sub db_get($$) {
2361	my $key = "$_[0]/$_[1]";
2362
2363	cf::sync_job {
2364	BDB::db_get $DB, undef, $key, my $data;
2365
2366	$! ? ()
2367	: $data
2368	}
2369	}
2370
2371	sub db_put($$$) {
2372	BDB::dbreq_pri 4;
2373	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2374	}
2375
2376	=item cf::cache $id => [$paths...], $processversion => $process
2377
2378	Generic caching function that returns the value of the resource $id,
2379	caching and regenerating as required.
2380
2381	This function can block.
2382
2383	=cut
2384
2385	sub cache {
2386	my ($id, $src, $processversion, $process) = @_;
2387
2388	my $meta =
2389	join "\x00",
2390	$processversion,
2391	map {
2392	aio_stat $_
2393	and Carp::croak "$_: $!";
2394
2395	($_, (stat _)[7,9])
2396	} @$src;
2397
2398	my $dbmeta = db_get cache => "$id/meta";
2399	if ($dbmeta ne $meta) {
2400	# changed, we may need to process
2401
2402	my @data;
2403	my $md5;
2404
2405	for (0 .. $#$src) {
2406	0 <= aio_load $src->[$_], $data[$_]
2407	or Carp::croak "$src->[$_]: $!";
2408	}
2409
2410	# if processing is expensive, check
2411	# checksum first
2412	if (1) {
2413	$md5 =
2414	join "\x00",
2415	$processversion,
2416	map {
2417	Coro::cede;
2418	($src->[$_], Digest::MD5::md5_hex $data[$_])
2419	} 0.. $#$src;
2420
2421
2422	my $dbmd5 = db_get cache => "$id/md5";
2423	if ($dbmd5 eq $md5) {
2424	db_put cache => "$id/meta", $meta;
2425
2426	return db_get cache => "$id/data";
2427	}
2428	}
2429
2430	my $t1 = Time::HiRes::time;
2431	my $data = $process->(\@data);
2432	my $t2 = Time::HiRes::time;
2433
2434	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2435
2436	db_put cache => "$id/data", $data;
2437	db_put cache => "$id/md5" , $md5;
2438	db_put cache => "$id/meta", $meta;
2439
2440	return $data;
2441	}
2442
2443	db_get cache => "$id/data"
2444	}
2445
2446	=item fork_call { }, $args
2447
2448	Executes the given code block with the given arguments in a seperate
2449	process, returning the results. Everything must be serialisable with
2450	Coro::Storable. May, of course, block. Note that the executed sub may
2451	never block itself or use any form of Event handling.
2452
2453	=cut
2454
2455	sub fork_call(&@) {
2456	my ($cb, @args) = @_;
2457
2458	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2459	# or die "socketpair: $!";
2460	pipe my $fh1, my $fh2
2461	or die "pipe: $!";
2462
2463	if (my $pid = fork) {
2464	close $fh2;
2465
2466	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2467	$res = Coro::Storable::thaw $res;
2468
2469	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2470
2471	die $$res unless "ARRAY" eq ref $res;
2472
2473	return wantarray ? @$res : $res->[-1];
2474	} else {
2475	reset_signals;
2476	local $SIG{__WARN__};
2477	local $SIG{__DIE__};
2478	eval {
2479	close $fh1;
2480
2481	my @res = eval { $cb->(@args) };
2482	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2483	};
2484
2485	warn $@ if $@;
2486	_exit 0;
2487	}
2488	}
2489
2490
2491
2492	#############################################################################
2493	# the server's init and main functions	2998	# the server's init and main functions
2494		2999
2495	sub load_facedata($) {	3000	sub load_facedata($) {
2496	my ($path) = @_;	3001	my ($path) = @_;
		3002
		3003	# HACK to clear player env face cache, we need some signal framework
		3004	# for this (global event?)
		3005	%ext::player_env::MUSIC_FACE_CACHE = ();
		3006
		3007	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2497		3008
2498	warn "loading facedata from $path\n";	3009	warn "loading facedata from $path\n";
2499		3010
2500	my $facedata;	3011	my $facedata;
2501	0 < aio_load $path, $facedata	3012	0 < aio_load $path, $facedata
…		…
2504	$facedata = Coro::Storable::thaw $facedata;	3015	$facedata = Coro::Storable::thaw $facedata;
2505		3016
2506	$facedata->{version} == 2	3017	$facedata->{version} == 2
2507	or cf::cleanup "$path: version mismatch, cannot proceed.";	3018	or cf::cleanup "$path: version mismatch, cannot proceed.";
2508		3019
		3020	# patch in the exptable
		3021	$facedata->{resource}{"res/exp_table"} = {
		3022	type => FT_RSRC,
		3023	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3024	};
		3025	cf::cede_to_tick;
		3026
2509	{	3027	{
2510	my $faces = $facedata->{faceinfo};	3028	my $faces = $facedata->{faceinfo};
2511		3029
2512	while (my ($face, $info) = each %$faces) {	3030	while (my ($face, $info) = each %$faces) {
2513	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3031	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2514	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3032	cf::face::set_visibility $idx, $info->{visibility};
		3033	cf::face::set_magicmap $idx, $info->{magicmap};
2515	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3034	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2516	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3035	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2517	Coro::cede;	3036
		3037	cf::cede_to_tick;
2518	}	3038	}
2519		3039
2520	while (my ($face, $info) = each %$faces) {	3040	while (my ($face, $info) = each %$faces) {
2521	next unless $info->{smooth};	3041	next unless $info->{smooth};
2522	my $idx = cf::face::find $face	3042	my $idx = cf::face::find $face
2523	or next;	3043	or next;
2524	if (my $smooth = cf::face::find $info->{smooth}) {	3044	if (my $smooth = cf::face::find $info->{smooth}) {
		3045	cf::face::set_smooth $idx, $smooth;
2525	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3046	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2526	} else {	3047	} else {
2527	warn "smooth face '$info->{smooth}' not found for face '$face'";	3048	warn "smooth face '$info->{smooth}' not found for face '$face'";
2528	}	3049	}
2529	Coro::cede;	3050
		3051	cf::cede_to_tick;
2530	}	3052	}
2531	}	3053	}
2532		3054
2533	{	3055	{
2534	my $anims = $facedata->{animinfo};	3056	my $anims = $facedata->{animinfo};
2535		3057
2536	while (my ($anim, $info) = each %$anims) {	3058	while (my ($anim, $info) = each %$anims) {
2537	cf::anim::set $anim, $info->{frames}, $info->{facings};	3059	cf::anim::set $anim, $info->{frames}, $info->{facings};
2538	Coro::cede;	3060	cf::cede_to_tick;
2539	}	3061	}
2540		3062
2541	cf::anim::invalidate_all; # d'oh	3063	cf::anim::invalidate_all; # d'oh
2542	}	3064	}
2543		3065
		3066	{
		3067	# TODO: for gcfclient pleasure, we should give resources
		3068	# that gcfclient doesn't grok a >10000 face index.
		3069	my $res = $facedata->{resource};
		3070
		3071	my $soundconf = delete $res->{"res/sound.conf"};
		3072
		3073	while (my ($name, $info) = each %$res) {
		3074	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3075	my $data;
		3076
		3077	if ($info->{type} & 1) {
		3078	# prepend meta info
		3079
		3080	my $meta = $enc->encode ({
		3081	name => $name,
		3082	%{ $info->{meta} || {} },
		3083	});
		3084
		3085	$data = pack "(w/a*)*", $meta, $info->{data};
		3086	} else {
		3087	$data = $info->{data};
		3088	}
		3089
		3090	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3091	cf::face::set_type $idx, $info->{type};
		3092
		3093	cf::cede_to_tick;
		3094	}
		3095
		3096	if ($soundconf) {
		3097	$soundconf = $enc->decode (delete $soundconf->{data});
		3098
		3099	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3100	my $sound = $soundconf->{compat}[$_]
		3101	or next;
		3102
		3103	my $face = cf::face::find "sound/$sound->[1]";
		3104	cf::sound::set $sound->[0] => $face;
		3105	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3106	}
		3107
		3108	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3109	my $face = cf::face::find "sound/$v";
		3110	cf::sound::set $k => $face;
		3111	}
		3112	}
		3113	}
		3114
2544	1	3115	1
2545	}	3116	}
2546		3117
		3118	register_exticmd fx_want => sub {
		3119	my ($ns, $want) = @_;
		3120
		3121	while (my ($k, $v) = each %$want) {
		3122	$ns->fx_want ($k, $v);
		3123	}
		3124	};
		3125
2547	sub reload_regions {	3126	sub reload_regions {
		3127	# HACK to clear player env face cache, we need some signal framework
		3128	# for this (global event?)
		3129	%ext::player_env::MUSIC_FACE_CACHE = ();
		3130
2548	load_resource_file "$MAPDIR/regions"	3131	load_resource_file "$MAPDIR/regions"
2549	or die "unable to load regions file\n";	3132	or die "unable to load regions file\n";
		3133
		3134	for (cf::region::list) {
		3135	$_->{match} = qr/$_->{match}/
		3136	if exists $_->{match};
		3137	}
2550	}	3138	}
2551		3139
2552	sub reload_facedata {	3140	sub reload_facedata {
2553	load_facedata "$DATADIR/facedata"	3141	load_facedata "$DATADIR/facedata"
2554	or die "unable to load facedata\n";	3142	or die "unable to load facedata\n";
2555	}	3143	}
2556		3144
2557	sub reload_archetypes {	3145	sub reload_archetypes {
2558	load_resource_file "$DATADIR/archetypes"	3146	load_resource_file "$DATADIR/archetypes"
2559	or die "unable to load archetypes\n";	3147	or die "unable to load archetypes\n";
		3148	#d# NEED to laod twice to resolve forward references
		3149	# this really needs to be done in an extra post-pass
		3150	# (which needs to be synchronous, so solve it differently)
		3151	load_resource_file "$DATADIR/archetypes"
		3152	or die "unable to load archetypes\n";
2560	}	3153	}
2561		3154
2562	sub reload_treasures {	3155	sub reload_treasures {
2563	load_resource_file "$DATADIR/treasures"	3156	load_resource_file "$DATADIR/treasures"
2564	or die "unable to load treasurelists\n";	3157	or die "unable to load treasurelists\n";
…		…
2567	sub reload_resources {	3160	sub reload_resources {
2568	warn "reloading resource files...\n";	3161	warn "reloading resource files...\n";
2569		3162
2570	reload_regions;	3163	reload_regions;
2571	reload_facedata;	3164	reload_facedata;
		3165	#reload_archetypes;#d#
2572	reload_archetypes;	3166	reload_archetypes;
2573	reload_treasures;	3167	reload_treasures;
2574		3168
2575	warn "finished reloading resource files\n";	3169	warn "finished reloading resource files\n";
2576	}	3170	}
2577		3171
2578	sub init {	3172	sub init {
2579	reload_resources;	3173	reload_resources;
2580	}	3174	}
2581		3175
2582	sub cfg_load {	3176	sub reload_config {
2583	open my $fh, "<:utf8", "$CONFDIR/config"	3177	open my $fh, "<:utf8", "$CONFDIR/config"
2584	or return;	3178	or return;
2585		3179
2586	local $/;	3180	local $/;
2587	*CFG = YAML::Syck::Load <$fh>;	3181	*CFG = YAML::Syck::Load <$fh>;
…		…
2603	sub main {	3197	sub main {
2604	# we must not ever block the main coroutine	3198	# we must not ever block the main coroutine
2605	local $Coro::idle = sub {	3199	local $Coro::idle = sub {
2606	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3200	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2607	(async {	3201	(async {
		3202	$Coro::current->{desc} = "IDLE BUG HANDLER";
2608	Event::one_event;	3203	Event::one_event;
2609	})->prio (Coro::PRIO_MAX);	3204	})->prio (Coro::PRIO_MAX);
2610	};	3205	};
2611		3206
2612	cfg_load;	3207	reload_config;
2613	db_init;	3208	db_init;
2614	load_extensions;	3209	load_extensions;
2615		3210
2616	$TICK_WATCHER->start;	3211	$TICK_WATCHER->start;
2617	Event::loop;	3212	Event::loop;
…		…
2633	},	3228	},
2634	);	3229	);
2635	}	3230	}
2636	}	3231	}
2637		3232
		3233	sub write_runtime {
		3234	my $runtime = "$LOCALDIR/runtime";
		3235
		3236	# first touch the runtime file to show we are still running:
		3237	# the fsync below can take a very very long time.
		3238
		3239	IO::AIO::aio_utime $runtime, undef, undef;
		3240
		3241	my $guard = cf::lock_acquire "write_runtime";
		3242
		3243	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3244	or return;
		3245
		3246	my $value = $cf::RUNTIME + 90 + 10;
		3247	# 10 is the runtime save interval, for a monotonic clock
		3248	# 60 allows for the watchdog to kill the server.
		3249
		3250	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3251	and return;
		3252
		3253	# always fsync - this file is important
		3254	aio_fsync $fh
		3255	and return;
		3256
		3257	# touch it again to show we are up-to-date
		3258	aio_utime $fh, undef, undef;
		3259
		3260	close $fh
		3261	or return;
		3262
		3263	aio_rename "$runtime~", $runtime
		3264	and return;
		3265
		3266	warn "runtime file written.\n";
		3267
		3268	1
		3269	}
		3270
2638	sub emergency_save() {	3271	sub emergency_save() {
2639	my $freeze_guard = cf::freeze_mainloop;	3272	my $freeze_guard = cf::freeze_mainloop;
2640		3273
2641	warn "enter emergency perl save\n";	3274	warn "enter emergency perl save\n";
2642		3275
…		…
2717	%EXT_CORO = ();	3350	%EXT_CORO = ();
2718		3351
2719	warn "removing commands";	3352	warn "removing commands";
2720	%COMMAND = ();	3353	%COMMAND = ();
2721		3354
2722	warn "removing ext commands";	3355	warn "removing ext/exti commands";
2723	%EXTCMD = ();	3356	%EXTCMD = ();
		3357	%EXTICMD = ();
2724		3358
2725	warn "unloading/nuking all extensions";	3359	warn "unloading/nuking all extensions";
2726	for my $pkg (@EXTS) {	3360	for my $pkg (@EXTS) {
2727	warn "... unloading $pkg";	3361	warn "... unloading $pkg";
2728		3362
…		…
2771	warn "reloading cf.pm";	3405	warn "reloading cf.pm";
2772	require cf;	3406	require cf;
2773	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3407	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2774		3408
2775	warn "loading config and database again";	3409	warn "loading config and database again";
2776	cf::cfg_load;	3410	cf::reload_config;
2777		3411
2778	warn "loading extensions";	3412	warn "loading extensions";
2779	cf::load_extensions;	3413	cf::load_extensions;
2780		3414
2781	warn "reattaching attachments to objects/players";	3415	warn "reattaching attachments to objects/players";
…		…
2817	register_command "reload" => sub {	3451	register_command "reload" => sub {
2818	my ($who, $arg) = @_;	3452	my ($who, $arg) = @_;
2819		3453
2820	if ($who->flag (FLAG_WIZ)) {	3454	if ($who->flag (FLAG_WIZ)) {
2821	$who->message ("reloading server.");	3455	$who->message ("reloading server.");
		3456	async {
		3457	$Coro::current->{desc} = "perl_reload";
2822	async { reload_perl };	3458	reload_perl;
		3459	};
2823	}	3460	}
2824	};	3461	};
2825		3462
2826	unshift @INC, $LIBDIR;	3463	unshift @INC, $LIBDIR;
2827		3464
…		…
2869	$NEXT_TICK += $TICK;	3506	$NEXT_TICK += $TICK;
2870		3507
2871	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3508	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2872	$NEXT_RUNTIME_WRITE = $NOW + 10;	3509	$NEXT_RUNTIME_WRITE = $NOW + 10;
2873	Coro::async_pool {	3510	Coro::async_pool {
		3511	$Coro::current->{desc} = "runtime saver";
2874	write_runtime	3512	write_runtime
2875	or warn "ERROR: unable to write runtime file: $!";	3513	or warn "ERROR: unable to write runtime file: $!";
2876	};	3514	};
2877	}	3515	}
2878		3516
2879	# my $AFTER = Event::time;
2880	# warn $AFTER - $NOW;#d#
2881
2882	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3517	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2883	$sig->send;	3518	$sig->send;
2884	}	3519	}
2885	while (my $sig = shift @WAIT_FOR_TICK) {	3520	while (my $sig = shift @WAIT_FOR_TICK) {
2886	$sig->send;	3521	$sig->send;
…		…
2896		3531
2897	$LOAD = ($NOW - $tick_start) / $TICK;	3532	$LOAD = ($NOW - $tick_start) / $TICK;
2898	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3533	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2899		3534
2900	_post_tick;	3535	_post_tick;
2901
2902
2903	},	3536	},
2904	);	3537	);
2905		3538
2906	{	3539	{
		3540	BDB::min_parallel 8;
2907	BDB::max_poll_time $TICK * 0.1;	3541	BDB::max_poll_time $TICK * 0.1;
2908	$BDB_POLL_WATCHER = Event->io (	3542	$BDB_POLL_WATCHER = Event->io (
2909	reentrant => 0,	3543	reentrant => 0,
2910	fd => BDB::poll_fileno,	3544	fd => BDB::poll_fileno,
2911	poll => 'r',	3545	poll => 'r',
2912	prio => 0,	3546	prio => 0,
2913	data => WF_AUTOCANCEL,	3547	data => WF_AUTOCANCEL,
2914	cb => \&BDB::poll_cb,	3548	cb => \&BDB::poll_cb,
2915	);	3549	);
2916	BDB::min_parallel 8;
2917		3550
2918	BDB::set_sync_prepare {	3551	BDB::set_sync_prepare {
2919	my $status;	3552	my $status;
2920	my $current = $Coro::current;	3553	my $current = $Coro::current;
2921	(	3554	(
…		…
2930	)	3563	)
2931	};	3564	};
2932		3565
2933	unless ($DB_ENV) {	3566	unless ($DB_ENV) {
2934	$DB_ENV = BDB::db_env_create;	3567	$DB_ENV = BDB::db_env_create;
		3568	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3569	| BDB::LOG_AUTOREMOVE, 1);
		3570	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3571	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2935		3572
2936	cf::sync_job {	3573	cf::sync_job {
2937	eval {	3574	eval {
2938	BDB::db_env_open	3575	BDB::db_env_open
2939	$DB_ENV,	3576	$DB_ENV,
…		…
2941	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3578	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2942	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3579	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2943	0666;	3580	0666;
2944		3581
2945	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3582	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2946
2947	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2948	$DB_ENV->set_lk_detect;
2949	};	3583	};
2950		3584
2951	cf::cleanup "db_env_open(db): $@" if $@;	3585	cf::cleanup "db_env_open(db): $@" if $@;
2952	};	3586	};
2953	}	3587	}
		3588
		3589	$BDB_DEADLOCK_WATCHER = Event->timer (
		3590	after => 3,
		3591	interval => 1,
		3592	hard => 1,
		3593	prio => 0,
		3594	data => WF_AUTOCANCEL,
		3595	cb => sub {
		3596	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3597	},
		3598	);
		3599	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3600	after => 11,
		3601	interval => 60,
		3602	hard => 1,
		3603	prio => 0,
		3604	data => WF_AUTOCANCEL,
		3605	cb => sub {
		3606	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3607	},
		3608	);
		3609	$BDB_TRICKLE_WATCHER = Event->timer (
		3610	after => 5,
		3611	interval => 10,
		3612	hard => 1,
		3613	prio => 0,
		3614	data => WF_AUTOCANCEL,
		3615	cb => sub {
		3616	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3617	},
		3618	);
2954	}	3619	}
2955		3620
2956	{	3621	{
2957	IO::AIO::min_parallel 8;	3622	IO::AIO::min_parallel 8;
2958		3623
…		…
2977		3642
2978	# limit the # of concurrent backtraces	3643	# limit the # of concurrent backtraces
2979	if ($_log_backtrace < 2) {	3644	if ($_log_backtrace < 2) {
2980	++$_log_backtrace;	3645	++$_log_backtrace;
2981	async {	3646	async {
		3647	$Coro::current->{desc} = "abt $msg";
		3648
2982	my @bt = fork_call {	3649	my @bt = fork_call {
2983	@addr = map { sprintf "%x", $_ } @addr;	3650	@addr = map { sprintf "%x", $_ } @addr;
2984	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3651	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2985	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3652	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2986	or die "addr2line: $!";	3653	or die "addr2line: $!";

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