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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.266 by root, Fri May 18 01:01:02 2007 UTC vs.
Revision 1.372 by root, Sat Sep 15 13:25:33 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	my $signal = new Coro::Signal;
		360
		361	while () {
		362	next_job:
		363	my $avail = cf::till_tick;
		364	if ($avail > 0.01) {
		365	for (0 .. $#SLOT_QUEUE) {
		366	if ($SLOT_QUEUE[$_][0] < $avail) {
		367	my $job = splice @SLOT_QUEUE, $_, 1, ();
		368	$job->[2]->send;
		369	Coro::cede;
		370	goto next_job;
		371	}
		372	}
		373	}
		374
		375	if (@SLOT_QUEUE) {
		376	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		377	push @cf::WAIT_FOR_TICK, $signal;
		378	$signal->wait;
		379	} else {
		380	Coro::schedule;
		381	}
		382	}
		383	};
		384
		385	sub get_slot($;$$) {
		386	my ($time, $pri, $name) = @_;
		387
		388	$time = $TICK * .6 if $time > $TICK * .6;
		389	my $sig = new Coro::Signal;
		390
		391	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		392	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		393	$SLOT_QUEUE->ready;
		394	$sig->wait;
		395	}
		396
310	=item cf::async { BLOCK }	397	=item cf::async { BLOCK }
311		398
312	Currently the same as Coro::async_pool, meaning you cannot use	399	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	400	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.	401	thing you are allowed to do is call C<prio> on it.
…		…
317		404
318	BEGIN { *async = \&Coro::async_pool }	405	BEGIN { *async = \&Coro::async_pool }
319		406
320	=item cf::sync_job { BLOCK }	407	=item cf::sync_job { BLOCK }
321		408
322	The design of crossfire+ requires that the main coro ($Coro::main) is	409	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	410	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.	411	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		412	acceptable.
325		413
326	If it must be done, put the blocking parts into C<sync_job>. This will run	414	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	415	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	416	server will be frozen during this time, so the block should either finish
329	fast or be very important.	417	fast or be very important.
…		…
389	$EXT_CORO{$coro+0} = $coro;	477	$EXT_CORO{$coro+0} = $coro;
390		478
391	$coro	479	$coro
392	}	480	}
393		481
394	sub write_runtime {	482	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		483
397	# first touch the runtime file to show we are still running:	484	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	485	process, returning the results. Everything must be serialisable with
		486	Coro::Storable. May, of course, block. Note that the executed sub may
		487	never block itself or use any form of Event handling.
399		488
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	489	=cut
401	utime undef, undef, $fh;	490
		491	sub fork_call(&@) {
		492	my ($cb, @args) = @_;
		493
		494	# we seemingly have to make a local copy of the whole thing,
		495	# otherwise perl prematurely frees the stuff :/
		496	# TODO: investigate and fix (likely this will be rather laborious)
		497
		498	my @res = Coro::Util::fork_eval {
		499	reset_signals;
		500	&$cb
		501	}, @args;
		502
		503	wantarray ? @res : $res[-1]
		504	}
		505
		506	=item $value = cf::db_get $family => $key
		507
		508	Returns a single value from the environment database.
		509
		510	=item cf::db_put $family => $key => $value
		511
		512	Stores the given C<$value> in the family. It can currently store binary
		513	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		514
		515	=item $db = cf::db_table "name"
		516
		517	Create and/or open a new database table. The string must not be "db" and must be unique
		518	within each server.
		519
		520	=cut
		521
		522	sub db_table($) {
		523	my ($name) = @_;
		524	my $db = BDB::db_create $DB_ENV;
		525
		526	eval {
		527	$db->set_flags (BDB::CHKSUM);
		528
		529	utf8::encode $name;
		530	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		531	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		532	cf::cleanup "db_open(db): $!" if $!;
402	}	533	};
		534	cf::cleanup "db_open(db): $@" if $@;
403		535
404	my $guard = cf::lock_acquire "write_runtime";	536	$db
		537	}
405		538
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	539	our $DB;
407	or return;
408		540
409	my $value = $cf::RUNTIME + 90 + 10;	541	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	542	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	543	$DB ||= db_table "db";
		544	};
		545	}
412		546
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	547	sub db_get($$) {
414	and return;	548	my $key = "$_[0]/$_[1]";
415		549
416	# always fsync - this file is important	550	cf::sync_job {
417	aio_fsync $fh	551	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		552
420	# touch it again to show we are up-to-date	553	$! ? ()
421	utime undef, undef, $fh;	554	: $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	555	}
		556	}
		557
		558	sub db_put($$$) {
		559	BDB::dbreq_pri 4;
		560	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		561	}
		562
		563	=item cf::cache $id => [$paths...], $processversion => $process
		564
		565	Generic caching function that returns the value of the resource $id,
		566	caching and regenerating as required.
		567
		568	This function can block.
		569
		570	=cut
		571
		572	sub cache {
		573	my ($id, $src, $processversion, $process) = @_;
		574
		575	my $meta =
		576	join "\x00",
		577	$processversion,
		578	map {
		579	aio_stat $_
		580	and Carp::croak "$_: $!";
		581
		582	($_, (stat _)[7,9])
		583	} @$src;
		584
		585	my $dbmeta = db_get cache => "$id/meta";
		586	if ($dbmeta ne $meta) {
		587	# changed, we may need to process
		588
		589	my @data;
		590	my $md5;
		591
		592	for (0 .. $#$src) {
		593	0 <= aio_load $src->[$_], $data[$_]
		594	or Carp::croak "$src->[$_]: $!";
		595	}
		596
		597	# if processing is expensive, check
		598	# checksum first
		599	if (1) {
		600	$md5 =
		601	join "\x00",
		602	$processversion,
		603	map {
		604	cf::cede_to_tick;
		605	($src->[$_], Digest::MD5::md5_hex $data[$_])
		606	} 0.. $#$src;
		607
		608
		609	my $dbmd5 = db_get cache => "$id/md5";
		610	if ($dbmd5 eq $md5) {
		611	db_put cache => "$id/meta", $meta;
		612
		613	return db_get cache => "$id/data";
		614	}
		615	}
		616
		617	my $t1 = Time::HiRes::time;
		618	my $data = $process->(\@data);
		619	my $t2 = Time::HiRes::time;
		620
		621	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		622
		623	db_put cache => "$id/data", $data;
		624	db_put cache => "$id/md5" , $md5;
		625	db_put cache => "$id/meta", $meta;
		626
		627	return $data;
		628	}
		629
		630	db_get cache => "$id/data"
432	}	631	}
433		632
434	=item cf::datalog type => key => value, ...	633	=item cf::datalog type => key => value, ...
435		634
436	Log a datalog packet of the given type with the given key-value pairs.	635	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")	653	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	654	to it. All such attachable objects support the following methods.
456		655
457	In the following description, CLASS can be any of C<global>, C<object>	656	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	657	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	658	Crossfire TRT).
460		659
461	=over 4	660	=over 4
462		661
463	=item $attachable->attach ($attachment, key => $value...)	662	=item $attachable->attach ($attachment, key => $value...)
464		663
…		…
627	$registry = $CB_TYPE[$object_type] ||= [];	826	$registry = $CB_TYPE[$object_type] ||= [];
628		827
629	} elsif ($type eq "subtype") {	828	} elsif ($type eq "subtype") {
630	defined $object_type or Carp::croak "subtype specified without type";	829	defined $object_type or Carp::croak "subtype specified without type";
631	my $object_subtype = shift @arg;	830	my $object_subtype = shift @arg;
632	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	831	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
633		832
634	} elsif ($type eq "package") {	833	} elsif ($type eq "package") {
635	my $pkg = shift @arg;	834	my $pkg = shift @arg;
636		835
637	while (my ($name, $id) = each %cb_id) {	836	while (my ($name, $id) = each %cb_id) {
…		…
666	_attach $registry, $klass, @attach;	865	_attach $registry, $klass, @attach;
667	}	866	}
668		867
669	$obj->{$name} = \%arg;	868	$obj->{$name} = \%arg;
670	} else {	869	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	870	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	871	}
673		872
674	$obj->{_attachment}{$name} = undef;	873	$obj->{_attachment}{$name} = undef;
675	}	874	}
676		875
…		…
678	if (ref $_[0]) {	877	if (ref $_[0]) {
679	_object_attach @_;	878	_object_attach @_;
680	} else {	879	} else {
681	_attach shift->_attach_registry, @_;	880	_attach shift->_attach_registry, @_;
682	}	881	}
		882	_recalc_want;
683	};	883	};
684		884
685	# all those should be optimised	885	# all those should be optimised
686	sub cf::attachable::detach {	886	sub cf::attachable::detach {
687	my ($obj, $name) = @_;	887	my ($obj, $name) = @_;
…		…
690	delete $obj->{_attachment}{$name};	890	delete $obj->{_attachment}{$name};
691	reattach ($obj);	891	reattach ($obj);
692	} else {	892	} else {
693	Carp::croak "cannot, currently, detach class attachments";	893	Carp::croak "cannot, currently, detach class attachments";
694	}	894	}
		895	_recalc_want;
695	};	896	};
696		897
697	sub cf::attachable::attached {	898	sub cf::attachable::attached {
698	my ($obj, $name) = @_;	899	my ($obj, $name) = @_;
699		900
…		…
714	";	915	";
715	die if $@;	916	die if $@;
716	}	917	}
717		918
718	our $override;	919	our $override;
719	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	920	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
720		921
721	sub override {	922	sub override {
722	$override = 1;	923	$override = 1;
723	@invoke_results = ();	924	@INVOKE_RESULTS = (@_);
724	}	925	}
725		926
726	sub do_invoke {	927	sub do_invoke {
727	my $event = shift;	928	my $event = shift;
728	my $callbacks = shift;	929	my $callbacks = shift;
729		930
730	@invoke_results = ();	931	@INVOKE_RESULTS = ();
731		932
732	local $override;	933	local $override;
733		934
734	for (@$callbacks) {	935	for (@$callbacks) {
735	eval { &{$_->[1]} };	936	eval { &{$_->[1]} };
…		…
752		953
753	Generate an object-specific event with the given arguments.	954	Generate an object-specific event with the given arguments.
754		955
755	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	956	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	957	removed in future versions), and there is no public API to access override
757	results (if you must, access C<@cf::invoke_results> directly).	958	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		959
759	=back	960	=back
760		961
761	=cut	962	=cut
762		963
763	#############################################################################	964	#############################################################################
764	# object support	965	# object support
		966	#
		967
		968	sub _can_merge {
		969	my ($ob1, $ob2) = @_;
		970
		971	local $Storable::canonical = 1;
		972	my $fob1 = Storable::freeze $ob1;
		973	my $fob2 = Storable::freeze $ob2;
		974
		975	$fob1 eq $fob2
		976	}
765		977
766	sub reattach {	978	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	979	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	980	my ($obj) = @_;
769		981
…		…
814	);	1026	);
815		1027
816	sub object_freezer_save {	1028	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1029	my ($filename, $rdata, $objs) = @_;
818		1030
		1031	my $guard = cf::lock_acquire "io";
		1032
819	sync_job {	1033	sync_job {
820	if (length $$rdata) {	1034	if (length $$rdata) {
		1035	utf8::decode (my $decname = $filename);
821	warn sprintf "saving %s (%d,%d)\n",	1036	warn sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1037	$decname, length $$rdata, scalar @$objs;
823		1038
824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1039	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825	chmod SAVE_MODE, $fh;	1040	chmod SAVE_MODE, $fh;
826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1041	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827	aio_fsync $fh if $cf::USE_FSYNC;	1042	aio_fsync $fh if $cf::USE_FSYNC;
…		…
846	}	1061	}
847	} else {	1062	} else {
848	aio_unlink $filename;	1063	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1064	aio_unlink "$filename.pst";
850	}	1065	}
851	}	1066	};
		1067
		1068	undef $guard;
852	}	1069	}
853		1070
854	sub object_freezer_as_string {	1071	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1072	my ($rdata, $objs) = @_;
856		1073
…		…
861		1078
862	sub object_thawer_load {	1079	sub object_thawer_load {
863	my ($filename) = @_;	1080	my ($filename) = @_;
864		1081
865	my ($data, $av);	1082	my ($data, $av);
		1083
		1084	my $guard = cf::lock_acquire "io";
866		1085
867	(aio_load $filename, $data) >= 0	1086	(aio_load $filename, $data) >= 0
868	or return;	1087	or return;
869		1088
870	unless (aio_stat "$filename.pst") {	1089	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1090	(aio_load "$filename.pst", $av) >= 0
872	or return;	1091	or return;
		1092
		1093	undef $guard;
873	$av = eval { (Storable::thaw $av)->{objs} };	1094	$av = eval { (Storable::thaw $av)->{objs} };
874	}	1095	}
875		1096
		1097	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1098	warn sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1099	$decname, length $data, scalar @{$av || []};
		1100
878	return ($data, $av);	1101	($data, $av)
879	}	1102	}
		1103
		1104	=head2 COMMAND CALLBACKS
		1105
		1106	=over 4
		1107
		1108	=cut
880		1109
881	#############################################################################	1110	#############################################################################
882	# command handling &c	1111	# command handling &c
883		1112
884	=item cf::register_command $name => \&callback($ob,$args);	1113	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1126	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1127	}
899		1128
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1129	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1130
902	Register a callbackf ro execution when the client sends an extcmd packet.	1131	Register a callback for execution when the client sends an (synchronous)
		1132	extcmd packet. Ext commands will be processed in the order they are
		1133	received by the server, like other user commands. The first argument is
		1134	the logged-in player. Ext commands can only be processed after a player
		1135	has logged in successfully.
903		1136
904	If the callback returns something, it is sent back as if reply was being	1137	If the callback returns something, it is sent back as if reply was being
905	called.	1138	called.
906		1139
		1140	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1141
		1142	Register a callback for execution when the client sends an (asynchronous)
		1143	exticmd packet. Exti commands are processed by the server as soon as they
		1144	are received, i.e. out of order w.r.t. other commands. The first argument
		1145	is a client socket. Exti commands can be received anytime, even before
		1146	log-in.
		1147
		1148	If the callback returns something, it is sent back as if reply was being
		1149	called.
		1150
907	=cut	1151	=cut
908		1152
909	sub register_extcmd {	1153	sub register_extcmd {
910	my ($name, $cb) = @_;	1154	my ($name, $cb) = @_;
911		1155
912	$EXTCMD{$name} = $cb;	1156	$EXTCMD{$name} = $cb;
		1157	}
		1158
		1159	sub register_exticmd {
		1160	my ($name, $cb) = @_;
		1161
		1162	$EXTICMD{$name} = $cb;
913	}	1163	}
914		1164
915	cf::player->attach (	1165	cf::player->attach (
916	on_command => sub {	1166	on_command => sub {
917	my ($pl, $name, $params) = @_;	1167	my ($pl, $name, $params) = @_;
…		…
926	cf::override;	1176	cf::override;
927	},	1177	},
928	on_extcmd => sub {	1178	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1179	my ($pl, $buf) = @_;
930		1180
931	my $msg = eval { from_json $buf };	1181	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1182
933	if (ref $msg) {	1183	if (ref $msg) {
		1184	my ($type, $reply, @payload) =
		1185	"ARRAY" eq ref $msg
		1186	? @$msg
		1187	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1188
		1189	my @reply;
		1190
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1192	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1193	}
		1194
		1195	$pl->ext_reply ($reply, @reply)
		1196	if $reply;
		1197
939	} else {	1198	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1199	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1200	}
942		1201
943	cf::override;	1202	cf::override;
944	},	1203	},
945	);	1204	);
946		1205
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 {	1206	sub load_extensions {
		1207	cf::sync_job {
		1208	my %todo;
		1209
982	for my $ext (<$LIBDIR/*.ext>) {	1210	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1211	next unless -r $path;
984	eval {	1212
985	load_extension $ext;	1213	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1214	my $base = $1;
		1215	my $pkg = $1;
		1216	$pkg =~ s/[^[:word:]]/_/g;
		1217	$pkg = "ext::$pkg";
		1218
		1219	open my $fh, "<:utf8", $path
		1220	or die "$path: $!";
		1221
		1222	my $source = do { local $/; <$fh> };
		1223
		1224	my %ext = (
		1225	path => $path,
		1226	base => $base,
		1227	pkg => $pkg,
		1228	);
		1229
		1230	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1231	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1232
		1233	$ext{source} =
		1234	"package $pkg; use strict; use utf8;\n"
		1235	. "#line 1 \"$path\"\n{\n"
		1236	. $source
		1237	. "\n};\n1";
		1238
		1239	$todo{$base} = \%ext;
		1240	}
		1241
		1242	my %done;
		1243	while (%todo) {
		1244	my $progress;
		1245
		1246	while (my ($k, $v) = each %todo) {
		1247	for (split /,\s*/, $v->{meta}{depends}) {
		1248	goto skip
		1249	unless exists $done{$_};
		1250	}
		1251
		1252	warn "... loading '$k' into '$v->{pkg}'\n";
		1253
		1254	unless (eval $v->{source}) {
		1255	my $msg = $@ ? "$v->{path}: $@\n"
		1256	: "$v->{base}: extension inactive.\n";
		1257
		1258	if (exists $v->{meta}{mandatory}) {
		1259	warn $msg;
		1260	warn "mandatory extension failed to load, exiting.\n";
		1261	exit 1;
		1262	}
		1263
		1264	warn $msg;
		1265	}
		1266
		1267	$done{$k} = delete $todo{$k};
		1268	push @EXTS, $v->{pkg};
		1269	$progress = 1;
986	1	1270	}
987	} or warn "$ext not loaded: $@";	1271
		1272	skip:
		1273	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1274	unless $progress;
		1275	}
988	}	1276	};
989	}	1277	}
990		1278
991	#############################################################################	1279	#############################################################################
992		1280
		1281	=back
		1282
993	=head2 CORE EXTENSIONS	1283	=head2 CORE EXTENSIONS
994		1284
995	Functions and methods that extend core crossfire objects.	1285	Functions and methods that extend core crossfire objects.
996		1286
997	=cut	1287	=cut
…		…
1001	use Coro::AIO;	1291	use Coro::AIO;
1002		1292
1003	=head3 cf::player	1293	=head3 cf::player
1004		1294
1005	=over 4	1295	=over 4
		1296
		1297	=item cf::player::num_playing
		1298
		1299	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1300
		1301	=cut
		1302
		1303	sub num_playing {
		1304	scalar grep
		1305	$_->ob->map
		1306	&& !$_->hidden
		1307	&& !$_->ob->flag (cf::FLAG_WIZ),
		1308	cf::player::list
		1309	}
1006		1310
1007	=item cf::player::find $login	1311	=item cf::player::find $login
1008		1312
1009	Returns the given player object, loading it if necessary (might block).	1313	Returns the given player object, loading it if necessary (might block).
1010		1314
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1350	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1351	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1352	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1353	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1354
1051	my $pl = load_pl path $login	1355	my $f = new_from_file cf::object::thawer path $login
1052	or return;	1356	or return;
		1357
		1358	my $pl = cf::player::load_pl $f
		1359	or return;
		1360	local $cf::PLAYER_LOADING{$login} = $pl;
		1361	$f->resolve_delayed_derefs;
1053	$cf::PLAYER{$login} = $pl	1362	$cf::PLAYER{$login} = $pl
1054	}	1363	}
1055	}	1364	}
1056	}	1365	}
1057		1366
…		…
1067		1376
1068	aio_mkdir playerdir $pl, 0770;	1377	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1378	$pl->{last_save} = $cf::RUNTIME;
1070		1379
1071	$pl->save_pl ($path);	1380	$pl->save_pl ($path);
1072	Coro::cede;	1381	cf::cede_to_tick;
1073	}	1382	}
1074		1383
1075	sub new($) {	1384	sub new($) {
1076	my ($login) = @_;	1385	my ($login) = @_;
1077		1386
…		…
1081	$self->{deny_save} = 1;	1390	$self->{deny_save} = 1;
1082		1391
1083	$cf::PLAYER{$login} = $self;	1392	$cf::PLAYER{$login} = $self;
1084		1393
1085	$self	1394	$self
		1395	}
		1396
		1397	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1398
		1399	=cut
		1400
		1401	sub send_msg {
		1402	my $ns = shift->ns
		1403	or return;
		1404	$ns->send_msg (@_);
1086	}	1405	}
1087		1406
1088	=item $pl->quit_character	1407	=item $pl->quit_character
1089		1408
1090	Nukes the player without looking back. If logged in, the connection will	1409	Nukes the player without looking back. If logged in, the connection will
…		…
1145	or return [];	1464	or return [];
1146		1465
1147	my @logins;	1466	my @logins;
1148		1467
1149	for my $login (@$dirs) {	1468	for my $login (@$dirs) {
		1469	my $path = path $login;
		1470
		1471	# a .pst is a dead give-away for a valid player
		1472	unless (-e "$path.pst") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1474	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
1153		1477
1154	utf8::decode $login;	1478	utf8::decode $login;
1155	push @logins, $login;	1479	push @logins, $login;
1156	}	1480	}
1157		1481
…		…
1184	}	1508	}
1185		1509
1186	\@paths	1510	\@paths
1187	}	1511	}
1188		1512
		1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1514
		1515	Expand crossfire pod fragments into protocol xml.
		1516
		1517	=cut
		1518
		1519	sub expand_cfpod {
		1520	((my $self), (local $_)) = @_;
		1521
		1522	# escape & and <
		1523	s/&/&amp;/g;
		1524	s/(?<![BIUGHT])</&lt;/g;
		1525
		1526	# this is buggy, it needs to properly take care of nested <'s
		1527
		1528	1 while
		1529	# replace B<>, I<>, U<> etc.
		1530	s/B<([^\>]*)>/<b>$1<\/b>/
		1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1534	# replace G<male|female> tags
		1535	|| s{G<([^>|]*)\|([^>]*)>}{
		1536	$self->gender ? $2 : $1
		1537	}ge
		1538	# replace H<hint text>
		1539	|| s{H<([^\>]*)>}
		1540	{
		1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1543	"")
		1544	[$self->{hintmode}]
		1545	}ge;
		1546
		1547	# create single paragraphs (very hackish)
		1548	s/(?<=\S)\n(?=\w)/ /g;
		1549
		1550	# compress some whitespace
		1551	s/\s+\n/\n/g; # ws line-ends
		1552	s/\n\n+/\n/g; # double lines
		1553	s/^\n+//; # beginning lines
		1554	s/\n+$//; # ending lines
		1555
		1556	$_
		1557	}
		1558
		1559	sub hintmode {
		1560	$_[0]{hintmode} = $_[1] if @_ > 1;
		1561	$_[0]{hintmode}
		1562	}
		1563
1189	=item $player->ext_reply ($msgid, %msg)	1564	=item $player->ext_reply ($msgid, @msg)
1190		1565
1191	Sends an ext reply to the player.	1566	Sends an ext reply to the player.
1192		1567
1193	=cut	1568	=cut
1194		1569
1195	sub ext_reply($$%) {	1570	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1197		1572
1198	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1574	}
1202		1575
1203	=item $player->ext_event ($type, %msg)	1576	=item $player->ext_msg ($type, @msg)
1204		1577
1205	Sends an ext event to the client.	1578	Sends an ext event to the client.
1206		1579
1207	=cut	1580	=cut
1208		1581
1209	sub ext_event($$%) {	1582	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1583	my ($self, $type, @msg) = @_;
1211		1584
1212	$self->ns->ext_event ($type, %msg);	1585	$self->ns->ext_msg ($type, @msg);
1213	}	1586	}
1214		1587
1215	=head3 cf::region	1588	=head3 cf::region
1216		1589
1217	=over 4	1590	=over 4
…		…
1220		1593
1221	package cf::region;	1594	package cf::region;
1222		1595
1223	=item cf::region::find_by_path $path	1596	=item cf::region::find_by_path $path
1224		1597
1225	Tries to decuce the probable region for a map knowing only its path.	1598	Tries to decuce the likely region for a map knowing only its path.
1226		1599
1227	=cut	1600	=cut
1228		1601
1229	sub find_by_path($) {	1602	sub find_by_path($) {
1230	my ($path) = @_;	1603	my ($path) = @_;
1231		1604
1232	my ($match, $specificity);	1605	my ($match, $specificity);
1233		1606
1234	for my $region (list) {	1607	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1608	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1609	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1610	if $region->specificity > $specificity;
1238	}	1611	}
1239	}	1612	}
1240		1613
…		…
1304	my ($self, $merge) = @_;	1677	my ($self, $merge) = @_;
1305		1678
1306	# we have to keep some variables in memory intact	1679	# we have to keep some variables in memory intact
1307	local $self->{path};	1680	local $self->{path};
1308	local $self->{load_path};	1681	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1682
1312	$self->SUPER::thawer_merge ($merge);	1683	$self->SUPER::thawer_merge ($merge);
1313	}	1684	}
1314		1685
1315	sub normalise {	1686	sub normalise {
…		…
1362	$self->init; # pass $1 etc.	1733	$self->init; # pass $1 etc.
1363	return $self;	1734	return $self;
1364	}	1735	}
1365	}	1736	}
1366		1737
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
1368	()	1739	()
1369	}	1740	}
1370		1741
1371	sub init {	1742	sub init {
1372	my ($self) = @_;	1743	my ($self) = @_;
…		…
1415		1786
1416	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1417	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1418	}	1789	}
1419		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
1420	sub unlink_save {	1799	sub unlink_save {
1421	my ($self) = @_;	1800	my ($self) = @_;
1422		1801
1423	utf8::encode (my $save = $self->save_path);	1802	utf8::encode (my $save = $self->save_path);
1424	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1427		1806
1428	sub load_header_from($) {	1807	sub load_header_from($) {
1429	my ($self, $path) = @_;	1808	my ($self, $path) = @_;
1430		1809
1431	utf8::encode $path;	1810	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	or return;	1812	or return;
		1813
		1814	$self->_load_header ($f)
		1815	or return;
		1816
		1817	local $MAP_LOADING{$self->{path}} = $self;
		1818	$f->resolve_delayed_derefs;
1437		1819
1438	$self->{load_path} = $path;	1820	$self->{load_path} = $path;
1439		1821
1440	1	1822	1
1441	}	1823	}
…		…
1480	$self->load_header_orig	1862	$self->load_header_orig
1481	or return;	1863	or return;
1482	$self->prepare_orig;	1864	$self->prepare_orig;
1483	}	1865	}
1484		1866
		1867	$self->{deny_reset} = 1
		1868	if $self->no_reset;
		1869
1485	$self->default_region (cf::region::find_by_path $self->{path})	1870	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	1871	unless $self->default_region;
1487		1872
1488	1	1873	1
1489	}	1874	}
…		…
1492	sub find {	1877	sub find {
1493	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1494		1879
1495	$path = normalise $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1496		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	1883	cf::lock_wait "map_find:$path";
1498		1884
1499	$cf::MAP{$path} || do {	1885	$cf::MAP{$path} || do {
1500	my $guard = cf::lock_acquire "map_find:$path";	1886	my $guard1 = cf::lock_acquire "map_find:$path";
		1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1888
1501	my $map = new_from_path cf::map $path	1889	my $map = new_from_path cf::map $path
1502	or return;	1890	or return;
1503		1891
1504	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1505		1893
1506	$map->load_header	1894	$map->load_header
1507	or return;	1895	or return;
1508		1896
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	1898	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1512	$map->reset;	1902	$map->reset;
1513	undef $guard;
1514	return find $path;	1903	return find $path;
1515	}	1904	}
1516		1905
1517	$cf::MAP{$path} = $map	1906	$cf::MAP{$path} = $map
1518	}	1907	}
…		…
1527	local $self->{deny_reset} = 1; # loading can take a long time	1916	local $self->{deny_reset} = 1; # loading can take a long time
1528		1917
1529	my $path = $self->{path};	1918	my $path = $self->{path};
1530		1919
1531	{	1920	{
1532	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1533		1922
		1923	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1535		1925
1536	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1537		1927
1538	$self->alloc;	1928	$self->alloc;
1539		1929
1540	$self->pre_load;	1930	$self->pre_load;
1541	Coro::cede;	1931	cf::cede_to_tick;
1542		1932
		1933	my $f = new_from_file cf::object::thawer $self->{load_path};
		1934	$f->skip_block;
1543	$self->_load_objects ($self->{load_path}, 1)	1935	$self->_load_objects ($f)
1544	or return;	1936	or return;
1545		1937
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1547	if delete $self->{load_original};	1939	if delete $self->{load_original};
1548		1940
1549	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	1942	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	1945	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1554	}	1949	}
1555	}	1950	}
1556		1951
1557	Coro::cede;	1952	$f->resolve_delayed_derefs;
		1953
		1954	cf::cede_to_tick;
1558	# now do the right thing for maps	1955	# now do the right thing for maps
1559	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	1958	unless $self->difficulty;
1562	Coro::cede;	1959	cf::cede_to_tick;
1563		1960
1564	unless ($self->{deny_activate}) {	1961	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	1962	$self->decay_objects;
1566	$self->fix_auto_apply;	1963	$self->fix_auto_apply;
1567	$self->update_buttons;	1964	$self->update_buttons;
1568	Coro::cede;	1965	cf::cede_to_tick;
1569	$self->set_darkness_map;	1966	$self->set_darkness_map;
1570	Coro::cede;	1967	cf::cede_to_tick;
1571	$self->activate;	1968	$self->activate;
1572	}	1969	}
		1970
		1971	$self->{last_save} = $cf::RUNTIME;
		1972	$self->last_access ($cf::RUNTIME);
1573		1973
1574	$self->in_memory (cf::MAP_IN_MEMORY);	1974	$self->in_memory (cf::MAP_IN_MEMORY);
1575	}	1975	}
1576		1976
1577	$self->post_load;	1977	$self->post_load;
…		…
1581	my ($self, $ob) = @_;	1981	my ($self, $ob) = @_;
1582		1982
1583	return find "~" . $ob->name . "/" . $self->{path}	1983	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	1984	if $self->per_player;
1585		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
1586	$self	1989	$self
1587	}	1990	}
1588		1991
1589	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	1993	sub load_neighbours {
1591	my ($map) = @_;	1994	my ($map) = @_;
1592		1995
1593	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1594		1997
1595	for (0 .. 3) {	1998	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1597	or next;	2000	or next;
1598	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1599	or next;	2002	or next;
1600	$neigh->load;	2003	$neigh->load;
1601		2004
		2005	push @neigh,
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}	2008	}
1605		2009
1606	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1607	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1608	or next;	2013	or next;
1609	$neigh->load;	2014	$neigh->load;
1610	}	2015	}
1611	}	2016	}
1612		2017
…		…
1617	}	2022	}
1618		2023
1619	sub do_load_sync {	2024	sub do_load_sync {
1620	my ($map) = @_;	2025	my ($map) = @_;
1621		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1622	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1623	}	2031	}
1624		2032
1625	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2034	our $MAP_PREFETCHER = undef;
1627		2035
1628	sub find_async {	2036	sub find_async {
1629	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1630		2038
1631	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1632		2040
1633	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1635	}	2043	}
1636		2044
1637	undef $MAP_PREFETCH{$path};	2045	$MAP_PREFETCH{$path} |= $load;
		2046
1638	$MAP_PREFETCHER ||= cf::async {	2047	$MAP_PREFETCHER ||= cf::async {
1639	while (%MAP_PREFETCH) {	2048	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2049	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2050	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2051	$map->load if $v;
		2052	}
1644		2053
1645	delete $MAP_PREFETCH{$path};	2054	delete $MAP_PREFETCH{$k};
1646	}	2055	}
1647	}	2056	}
1648	undef $MAP_PREFETCHER;	2057	undef $MAP_PREFETCHER;
1649	};	2058	};
1650	$MAP_PREFETCHER->prio (6);	2059	$MAP_PREFETCHER->prio (6);
…		…
1653	}	2062	}
1654		2063
1655	sub save {	2064	sub save {
1656	my ($self) = @_;	2065	my ($self) = @_;
1657		2066
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		2068
1660	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1661		2070
1662	return unless $self->dirty;	2071	return unless $self->dirty;
1663		2072
…		…
1686	my ($self) = @_;	2095	my ($self) = @_;
1687		2096
1688	# save first because save cedes	2097	# save first because save cedes
1689	$self->save;	2098	$self->save;
1690		2099
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2101
1693	return if $self->players;	2102	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;	2103	return if $self->in_memory != cf::MAP_IN_MEMORY;
1695	return if $self->{deny_save};	2104	return if $self->{deny_save};
1696		2105
		2106	$self->in_memory (cf::MAP_SWAPPED);
		2107
		2108	$self->deactivate;
		2109	$_->clear_links_to ($self) for values %cf::MAP;
1697	$self->clear;	2110	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2111	}
1700		2112
1701	sub reset_at {	2113	sub reset_at {
1702	my ($self) = @_;	2114	my ($self) = @_;
1703		2115
1704	# TODO: safety, remove and allow resettable per-player maps	2116	# 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};	2117	return 1e99 if $self->{deny_reset};
1707		2118
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2119	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2120	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2121
…		…
1721	my ($self) = @_;	2132	my ($self) = @_;
1722		2133
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2135
1725	return if $self->players;	2136	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2137
1728	warn "resetting map ", $self->path;#d#	2138	warn "resetting map ", $self->path;
1729		2139
1730	$self->in_memory (cf::MAP_SWAPPED);	2140	$self->in_memory (cf::MAP_SWAPPED);
1731		2141
1732	# need to save uniques path	2142	# need to save uniques path
1733	unless ($self->{deny_save}) {	2143	unless ($self->{deny_save}) {
…		…
1737	if $uniq;	2147	if $uniq;
1738	}	2148	}
1739		2149
1740	delete $cf::MAP{$self->path};	2150	delete $cf::MAP{$self->path};
1741		2151
		2152	$self->deactivate;
		2153	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2154	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2155
1746	$self->unlink_save;	2156	$self->unlink_save;
1747	$self->destroy;	2157	$self->destroy;
1748	}	2158	}
1749		2159
1750	my $nuke_counter = "aaaa";	2160	my $nuke_counter = "aaaa";
1751		2161
1752	sub nuke {	2162	sub nuke {
1753	my ($self) = @_;	2163	my ($self) = @_;
1754		2164
		2165	{
		2166	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2167
1755	delete $cf::MAP{$self->path};	2168	delete $cf::MAP{$self->path};
1756		2169
1757	$self->unlink_save;	2170	$self->unlink_save;
1758		2171
1759	bless $self, "cf::map";	2172	bless $self, "cf::map";
1760	delete $self->{deny_reset};	2173	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2174	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2175	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2176	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2177
1765	$cf::MAP{$self->path} = $self;	2178	$cf::MAP{$self->path} = $self;
		2179	}
1766		2180
1767	$self->reset; # polite request, might not happen	2181	$self->reset; # polite request, might not happen
		2182	}
		2183
		2184	=item $maps = cf::map::tmp_maps
		2185
		2186	Returns an arrayref with all map paths of currently instantiated and saved
		2187	maps. May block.
		2188
		2189	=cut
		2190
		2191	sub tmp_maps() {
		2192	[
		2193	map {
		2194	utf8::decode $_;
		2195	/\.map$/
		2196	? normalise $_
		2197	: ()
		2198	} @{ aio_readdir $TMPDIR or [] }
		2199	]
		2200	}
		2201
		2202	=item $maps = cf::map::random_maps
		2203
		2204	Returns an arrayref with all map paths of currently instantiated and saved
		2205	random maps. May block.
		2206
		2207	=cut
		2208
		2209	sub random_maps() {
		2210	[
		2211	map {
		2212	utf8::decode $_;
		2213	/\.map$/
		2214	? normalise "?random/$_"
		2215	: ()
		2216	} @{ aio_readdir $RANDOMDIR or [] }
		2217	]
1768	}	2218	}
1769		2219
1770	=item cf::map::unique_maps	2220	=item cf::map::unique_maps
1771		2221
1772	Returns an arrayref of paths of all shared maps that have	2222	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2223	instantiated unique items. May block.
1774		2224
1775	=cut	2225	=cut
1776		2226
1777	sub unique_maps() {	2227	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2228	[
1779	or return;	2229	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2230	utf8::decode $_;
1785	next if /\.pst$/;	2231	/\.map$/
1786	next unless /^$PATH_SEP/o;	2232	? normalise $_
1787		2233	: ()
1788	push @paths, cf::map::normalise $_;	2234	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2235	]
1790
1791	\@paths
1792	}	2236	}
1793		2237
1794	package cf;	2238	package cf;
1795		2239
1796	=back	2240	=back
…		…
1814	map { $_, inv_recursive_ $_->inv } @_	2258	map { $_, inv_recursive_ $_->inv } @_
1815	}	2259	}
1816		2260
1817	sub inv_recursive {	2261	sub inv_recursive {
1818	inv_recursive_ inv $_[0]	2262	inv_recursive_ inv $_[0]
		2263	}
		2264
		2265	=item $ref = $ob->ref
		2266
		2267	creates and returns a persistent reference to an objetc that can be stored as a string.
		2268
		2269	=item $ob = cf::object::deref ($refstring)
		2270
		2271	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2272	even if the object actually exists. May block.
		2273
		2274	=cut
		2275
		2276	sub deref {
		2277	my ($ref) = @_;
		2278
		2279	# temporary compatibility#TODO#remove
		2280	$ref =~ s{^<}{player/<};
		2281
		2282	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2283	my ($uuid, $name) = ($1, $2);
		2284	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2285	or return;
		2286	$pl->ob->uuid eq $uuid
		2287	or return;
		2288
		2289	$pl->ob
		2290	} else {
		2291	warn "$ref: cannot resolve object reference\n";
		2292	undef
		2293	}
1819	}	2294	}
1820		2295
1821	package cf;	2296	package cf;
1822		2297
1823	=back	2298	=back
…		…
1842		2317
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2319
1845	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1847	} else {	2323	} else {
		2324	my $pl = $self->contr;
		2325
		2326	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2327	my $dialog = $pl->{npc_dialog};
		2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2329
		2330	} else {
1848	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1850	}	2334	}
		2335	}
		2336
		2337	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2338
		2339	=cut
		2340
		2341	sub cf::object::send_msg {
		2342	my $pl = shift->contr
		2343	or return;
		2344	$pl->send_msg (@_);
1851	}	2345	}
1852		2346
1853	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1854		2348
1855	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1902	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1903		2397
1904	return if UNIVERSAL::isa $self->map, "ext::map_link";	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1905		2399
1906	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1907	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1908		2402
1909	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1910	}	2404	}
1911		2405
1912	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1913	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1914		2410
1915	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1916		2412
1917	unless ($map) {	2413	unless ($map) {
1918	# restore original map position	2414	# restore original map position
…		…
1932	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1933	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1934	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1935		2431
1936	$map->load;	2432	$map->load;
1937	$map->load_diag;	2433	$map->load_neighbours;
1938		2434
1939	return unless $self->contr->active;	2435	return unless $self->contr->active;
1940	$self->activate_recursive;	2436	$self->activate_recursive;
1941		2437
1942	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1943	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1944	}	2440	}
1945		2441
1946	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1947	on_logout => sub {
1948	my ($pl) = @_;
1949		2443
1950	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1951	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1952	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1953	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1954	};	2448	be called at the end of this process.
1955	}
1956	},
1957	on_login => sub {
1958	my ($pl) = @_;
1959		2449
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	2450	=cut
		2451
		2452	our $GOTOGEN;
1981		2453
1982	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1983	my ($self, $path, $x, $y) = @_;	2455	my ($self, $path, $x, $y, $check, $done) = @_;
		2456
		2457	# do generation counting so two concurrent goto's will be executed in-order
		2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1984		2459
1985	$self->enter_link;	2460	$self->enter_link;
1986		2461
1987	(async {	2462	(async {
		2463	# *tag paths override both path and x|y
		2464	if ($path =~ /^\*(.*)$/) {
		2465	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2466	my $ob = $obs[rand @obs];
		2467
		2468	# see if we actually can go there
		2469	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2470	$ob = $obs[rand @obs];
		2471	} else {
		2472	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2473	}
		2474	# else put us there anyways for now #d#
		2475
		2476	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2477	} else {
		2478	($path, $x, $y) = (undef, undef, undef);
		2479	}
		2480	}
		2481
1988	my $map = eval {	2482	my $map = eval {
1989	my $map = cf::map::find $path;	2483	my $map = defined $path ? cf::map::find $path : undef;
		2484
		2485	if ($map) {
1990	$map = $map->customise_for ($self) if $map;	2486	$map = $map->customise_for ($self);
		2487	$map = $check->($map) if $check && $map;
		2488	} else {
		2489	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2490	}
		2491
1991	$map	2492	$map
		2493	};
		2494
		2495	if ($@) {
		2496	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2497	LOG llevError | logBacktrace, Carp::longmess $@;
1992	} or	2498	}
1993	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1994		2499
		2500	if ($gen == $self->{_goto_generation}) {
		2501	delete $self->{_goto_generation};
1995	$self->leave_link ($map, $x, $y);	2502	$self->leave_link ($map, $x, $y);
		2503	}
		2504
		2505	$done->() if $done;
1996	})->prio (1);	2506	})->prio (1);
1997	}	2507	}
1998		2508
1999	=item $player_object->enter_exit ($exit_object)	2509	=item $player_object->enter_exit ($exit_object)
2000		2510
…		…
2069	my $hp = $exit->stats->hp;	2579	my $hp = $exit->stats->hp;
2070	my $sp = $exit->stats->sp;	2580	my $sp = $exit->stats->sp;
2071		2581
2072	$self->enter_link;	2582	$self->enter_link;
2073		2583
		2584	# if exit is damned, update players death & WoR home-position
		2585	$self->contr->savebed ($slaying, $hp, $sp)
		2586	if $exit->flag (FLAG_DAMNED);
		2587
2074	(async {	2588	(async {
2075	$self->deactivate_recursive; # just to be sure	2589	$self->deactivate_recursive; # just to be sure
2076	unless (eval {	2590	unless (eval {
2077	$self->goto ($slaying, $hp, $sp);	2591	$self->goto ($slaying, $hp, $sp);
2078		2592
…		…
2105		2619
2106	utf8::encode $text;	2620	utf8::encode $text;
2107	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2621	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2108	}	2622	}
2109		2623
		2624	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2625
		2626	Send a drawinfo or msg packet to the client, formatting the msg for the
		2627	client if neccessary. C<$type> should be a string identifying the type of
		2628	the message, with C<log> being the default. If C<$color> is negative, suppress
		2629	the message unless the client supports the msg packet.
		2630
		2631	=cut
		2632
		2633	our %CHANNEL = (
		2634	"c/identify" => {
		2635	id => "identify",
		2636	title => "Identify",
		2637	reply => undef,
		2638	tooltip => "Items recently identified",
		2639	},
		2640	"c/examine" => {
		2641	id => "examine",
		2642	title => "Examine",
		2643	reply => undef,
		2644	tooltip => "Signs and other items you examined",
		2645	},
		2646	);
		2647
		2648	sub cf::client::send_msg {
		2649	my ($self, $channel, $msg, $color, @extra) = @_;
		2650
		2651	$msg = $self->pl->expand_cfpod ($msg);
		2652
		2653	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2654
		2655	# check predefined channels, for the benefit of C
		2656	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2657
		2658	if (ref $channel) {
		2659	# send meta info to client, if not yet sent
		2660	unless (exists $self->{channel}{$channel->{id}}) {
		2661	$self->{channel}{$channel->{id}} = $channel;
		2662	$self->ext_msg (channel_info => $channel)
		2663	if $self->can_msg;
		2664	}
		2665
		2666	$channel = $channel->{id};
		2667	}
		2668
		2669	return unless @extra || length $msg;
		2670
		2671	if ($self->can_msg) {
		2672	# default colour, mask it out
		2673	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2674	if $color & cf::NDI_DEF;
		2675
		2676	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2677	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2678	} else {
		2679	if ($color >= 0) {
		2680	# replace some tags by gcfclient-compatible ones
		2681	for ($msg) {
		2682	1 while
		2683	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2684	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2685	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2686	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2687	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2688	}
		2689
		2690	$color &= cf::NDI_COLOR_MASK;
		2691
		2692	utf8::encode $msg;
		2693
		2694	if (0 && $msg =~ /\[/) {
		2695	# COMMAND/INFO
		2696	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2697	} else {
		2698	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2699	$self->send_packet ("drawinfo $color $msg")
		2700	}
		2701	}
		2702	}
		2703	}
		2704
2110	=item $client->ext_event ($type, %msg)	2705	=item $client->ext_msg ($type, @msg)
2111		2706
2112	Sends an exti event to the client.	2707	Sends an ext event to the client.
2113		2708
2114	=cut	2709	=cut
2115		2710
2116	sub cf::client::ext_event($$%) {	2711	sub cf::client::ext_msg($$@) {
2117	my ($self, $type, %msg) = @_;	2712	my ($self, $type, @msg) = @_;
2118		2713
		2714	if ($self->extcmd == 2) {
		2715	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2716	} elsif ($self->extcmd == 1) { # TODO: remove
2119	$msg{msgtype} = "event_$type";	2717	push @msg, msgtype => "event_$type";
2120	$self->send_packet ("ext " . cf::to_json \%msg);	2718	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2719	}
		2720	}
		2721
		2722	=item $client->ext_reply ($msgid, @msg)
		2723
		2724	Sends an ext reply to the client.
		2725
		2726	=cut
		2727
		2728	sub cf::client::ext_reply($$@) {
		2729	my ($self, $id, @msg) = @_;
		2730
		2731	if ($self->extcmd == 2) {
		2732	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2733	} elsif ($self->extcmd == 1) {
		2734	#TODO: version 1, remove
		2735	unshift @msg, msgtype => "reply", msgid => $id;
		2736	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2737	}
2121	}	2738	}
2122		2739
2123	=item $success = $client->query ($flags, "text", \&cb)	2740	=item $success = $client->query ($flags, "text", \&cb)
2124		2741
2125	Queues a query to the client, calling the given callback with	2742	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>,	2743	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>.	2744	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2128		2745
2129	Queries can fail, so check the return code. Or don't, as queries will become	2746	Queries can fail, so check the return code. Or don't, as queries will
2130	reliable at some point in the future.	2747	become reliable at some point in the future.
2131		2748
2132	=cut	2749	=cut
2133		2750
2134	sub cf::client::query {	2751	sub cf::client::query {
2135	my ($self, $flags, $text, $cb) = @_;	2752	my ($self, $flags, $text, $cb) = @_;
…		…
2143	utf8::encode $text;	2760	utf8::encode $text;
2144	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2761	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2145		2762
2146	$self->send_packet ($self->{query_queue}[0][0])	2763	$self->send_packet ($self->{query_queue}[0][0])
2147	if @{ $self->{query_queue} } == 1;	2764	if @{ $self->{query_queue} } == 1;
		2765
		2766	1
2148	}	2767	}
2149		2768
2150	cf::client->attach (	2769	cf::client->attach (
		2770	on_connect => sub {
		2771	my ($ns) = @_;
		2772
		2773	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2774	},
2151	on_reply => sub {	2775	on_reply => sub {
2152	my ($ns, $msg) = @_;	2776	my ($ns, $msg) = @_;
2153		2777
2154	# this weird shuffling is so that direct followup queries	2778	# this weird shuffling is so that direct followup queries
2155	# get handled first	2779	# get handled first
…		…
2167	} else {	2791	} else {
2168	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2792	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2169	}	2793	}
2170	}	2794	}
2171	},	2795	},
		2796	on_exticmd => sub {
		2797	my ($ns, $buf) = @_;
		2798
		2799	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2800
		2801	if (ref $msg) {
		2802	my ($type, $reply, @payload) =
		2803	"ARRAY" eq ref $msg
		2804	? @$msg
		2805	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2806
		2807	my @reply;
		2808
		2809	if (my $cb = $EXTICMD{$type}) {
		2810	@reply = $cb->($ns, @payload);
		2811	}
		2812
		2813	$ns->ext_reply ($reply, @reply)
		2814	if $reply;
		2815
		2816	} else {
		2817	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2818	}
		2819
		2820	cf::override;
		2821	},
2172	);	2822	);
2173		2823
2174	=item $client->async (\&cb)	2824	=item $client->async (\&cb)
2175		2825
2176	Create a new coroutine, running the specified callback. The coroutine will	2826	Create a new coroutine, running the specified callback. The coroutine will
…		…
2217	our $safe = new Safe "safe";	2867	our $safe = new Safe "safe";
2218	our $safe_hole = new Safe::Hole;	2868	our $safe_hole = new Safe::Hole;
2219		2869
2220	$SIG{FPE} = 'IGNORE';	2870	$SIG{FPE} = 'IGNORE';
2221		2871
2222	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2872	$safe->permit_only (Opcode::opset qw(
		2873	:base_core :base_mem :base_orig :base_math
		2874	grepstart grepwhile mapstart mapwhile
		2875	sort time
		2876	));
2223		2877
2224	# here we export the classes and methods available to script code	2878	# here we export the classes and methods available to script code
2225		2879
2226	=pod	2880	=pod
2227		2881
2228	The following functions and methods are available within a safe environment:	2882	The following functions and methods are available within a safe environment:
2229		2883
2230	cf::object contr pay_amount pay_player map	2884	cf::object
		2885	contr pay_amount pay_player map x y force_find force_add
		2886	insert remove name archname title slaying race decrease_ob_nr
		2887
2231	cf::object::player player	2888	cf::object::player
2232	cf::player peaceful	2889	player
2233	cf::map trigger	2890
		2891	cf::player
		2892	peaceful
		2893
		2894	cf::map
		2895	trigger
2234		2896
2235	=cut	2897	=cut
2236		2898
2237	for (	2899	for (
2238	["cf::object" => qw(contr pay_amount pay_player map)],	2900	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2901	insert remove inv name archname title slaying race
		2902	decrease_ob_nr)],
2239	["cf::object::player" => qw(player)],	2903	["cf::object::player" => qw(player)],
2240	["cf::player" => qw(peaceful)],	2904	["cf::player" => qw(peaceful)],
2241	["cf::map" => qw(trigger)],	2905	["cf::map" => qw(trigger)],
2242	) {	2906	) {
2243	no strict 'refs';	2907	no strict 'refs';
…		…
2314	=back	2978	=back
2315		2979
2316	=cut	2980	=cut
2317		2981
2318	#############################################################################	2982	#############################################################################
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 $@;
2486	_exit 0;
2487	}
2488	}
2489
2490
2491
2492	#############################################################################
2493	# the server's init and main functions	2983	# the server's init and main functions
2494		2984
2495	sub load_facedata($) {	2985	sub load_facedata($) {
2496	my ($path) = @_;	2986	my ($path) = @_;
		2987
		2988	# HACK to clear player env face cache, we need some signal framework
		2989	# for this (global event?)
		2990	%ext::player_env::MUSIC_FACE_CACHE = ();
		2991
		2992	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2497		2993
2498	warn "loading facedata from $path\n";	2994	warn "loading facedata from $path\n";
2499		2995
2500	my $facedata;	2996	my $facedata;
2501	0 < aio_load $path, $facedata	2997	0 < aio_load $path, $facedata
…		…
2504	$facedata = Coro::Storable::thaw $facedata;	3000	$facedata = Coro::Storable::thaw $facedata;
2505		3001
2506	$facedata->{version} == 2	3002	$facedata->{version} == 2
2507	or cf::cleanup "$path: version mismatch, cannot proceed.";	3003	or cf::cleanup "$path: version mismatch, cannot proceed.";
2508		3004
		3005	# patch in the exptable
		3006	$facedata->{resource}{"res/exp_table"} = {
		3007	type => FT_RSRC,
		3008	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3009	};
		3010	cf::cede_to_tick;
		3011
2509	{	3012	{
2510	my $faces = $facedata->{faceinfo};	3013	my $faces = $facedata->{faceinfo};
2511		3014
2512	while (my ($face, $info) = each %$faces) {	3015	while (my ($face, $info) = each %$faces) {
2513	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3016	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2514	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3017	cf::face::set_visibility $idx, $info->{visibility};
		3018	cf::face::set_magicmap $idx, $info->{magicmap};
2515	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3019	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2516	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3020	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2517	Coro::cede;	3021
		3022	cf::cede_to_tick;
2518	}	3023	}
2519		3024
2520	while (my ($face, $info) = each %$faces) {	3025	while (my ($face, $info) = each %$faces) {
2521	next unless $info->{smooth};	3026	next unless $info->{smooth};
2522	my $idx = cf::face::find $face	3027	my $idx = cf::face::find $face
2523	or next;	3028	or next;
2524	if (my $smooth = cf::face::find $info->{smooth}) {	3029	if (my $smooth = cf::face::find $info->{smooth}) {
		3030	cf::face::set_smooth $idx, $smooth;
2525	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3031	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2526	} else {	3032	} else {
2527	warn "smooth face '$info->{smooth}' not found for face '$face'";	3033	warn "smooth face '$info->{smooth}' not found for face '$face'";
2528	}	3034	}
2529	Coro::cede;	3035
		3036	cf::cede_to_tick;
2530	}	3037	}
2531	}	3038	}
2532		3039
2533	{	3040	{
2534	my $anims = $facedata->{animinfo};	3041	my $anims = $facedata->{animinfo};
2535		3042
2536	while (my ($anim, $info) = each %$anims) {	3043	while (my ($anim, $info) = each %$anims) {
2537	cf::anim::set $anim, $info->{frames}, $info->{facings};	3044	cf::anim::set $anim, $info->{frames}, $info->{facings};
2538	Coro::cede;	3045	cf::cede_to_tick;
2539	}	3046	}
2540		3047
2541	cf::anim::invalidate_all; # d'oh	3048	cf::anim::invalidate_all; # d'oh
2542	}	3049	}
2543		3050
		3051	{
		3052	# TODO: for gcfclient pleasure, we should give resources
		3053	# that gcfclient doesn't grok a >10000 face index.
		3054	my $res = $facedata->{resource};
		3055
		3056	my $soundconf = delete $res->{"res/sound.conf"};
		3057
		3058	while (my ($name, $info) = each %$res) {
		3059	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3060	my $data;
		3061
		3062	if ($info->{type} & 1) {
		3063	# prepend meta info
		3064
		3065	my $meta = $enc->encode ({
		3066	name => $name,
		3067	%{ $info->{meta} || {} },
		3068	});
		3069
		3070	$data = pack "(w/a*)*", $meta, $info->{data};
		3071	} else {
		3072	$data = $info->{data};
		3073	}
		3074
		3075	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3076	cf::face::set_type $idx, $info->{type};
		3077
		3078	cf::cede_to_tick;
		3079	}
		3080
		3081	if ($soundconf) {
		3082	$soundconf = $enc->decode (delete $soundconf->{data});
		3083
		3084	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3085	my $sound = $soundconf->{compat}[$_]
		3086	or next;
		3087
		3088	my $face = cf::face::find "sound/$sound->[1]";
		3089	cf::sound::set $sound->[0] => $face;
		3090	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3091	}
		3092
		3093	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3094	my $face = cf::face::find "sound/$v";
		3095	cf::sound::set $k => $face;
		3096	}
		3097	}
		3098	}
		3099
2544	1	3100	1
2545	}	3101	}
2546		3102
		3103	register_exticmd fx_want => sub {
		3104	my ($ns, $want) = @_;
		3105
		3106	while (my ($k, $v) = each %$want) {
		3107	$ns->fx_want ($k, $v);
		3108	}
		3109	};
		3110
2547	sub reload_regions {	3111	sub reload_regions {
		3112	# HACK to clear player env face cache, we need some signal framework
		3113	# for this (global event?)
		3114	%ext::player_env::MUSIC_FACE_CACHE = ();
		3115
2548	load_resource_file "$MAPDIR/regions"	3116	load_resource_file "$MAPDIR/regions"
2549	or die "unable to load regions file\n";	3117	or die "unable to load regions file\n";
		3118
		3119	for (cf::region::list) {
		3120	$_->{match} = qr/$_->{match}/
		3121	if exists $_->{match};
		3122	}
2550	}	3123	}
2551		3124
2552	sub reload_facedata {	3125	sub reload_facedata {
2553	load_facedata "$DATADIR/facedata"	3126	load_facedata "$DATADIR/facedata"
2554	or die "unable to load facedata\n";	3127	or die "unable to load facedata\n";
2555	}	3128	}
2556		3129
2557	sub reload_archetypes {	3130	sub reload_archetypes {
2558	load_resource_file "$DATADIR/archetypes"	3131	load_resource_file "$DATADIR/archetypes"
2559	or die "unable to load archetypes\n";	3132	or die "unable to load archetypes\n";
		3133	#d# NEED to laod twice to resolve forward references
		3134	# this really needs to be done in an extra post-pass
		3135	# (which needs to be synchronous, so solve it differently)
		3136	load_resource_file "$DATADIR/archetypes"
		3137	or die "unable to load archetypes\n";
2560	}	3138	}
2561		3139
2562	sub reload_treasures {	3140	sub reload_treasures {
2563	load_resource_file "$DATADIR/treasures"	3141	load_resource_file "$DATADIR/treasures"
2564	or die "unable to load treasurelists\n";	3142	or die "unable to load treasurelists\n";
…		…
2567	sub reload_resources {	3145	sub reload_resources {
2568	warn "reloading resource files...\n";	3146	warn "reloading resource files...\n";
2569		3147
2570	reload_regions;	3148	reload_regions;
2571	reload_facedata;	3149	reload_facedata;
		3150	#reload_archetypes;#d#
2572	reload_archetypes;	3151	reload_archetypes;
2573	reload_treasures;	3152	reload_treasures;
2574		3153
2575	warn "finished reloading resource files\n";	3154	warn "finished reloading resource files\n";
2576	}	3155	}
2577		3156
2578	sub init {	3157	sub init {
2579	reload_resources;	3158	reload_resources;
2580	}	3159	}
2581		3160
2582	sub cfg_load {	3161	sub reload_config {
2583	open my $fh, "<:utf8", "$CONFDIR/config"	3162	open my $fh, "<:utf8", "$CONFDIR/config"
2584	or return;	3163	or return;
2585		3164
2586	local $/;	3165	local $/;
2587	*CFG = YAML::Syck::Load <$fh>;	3166	*CFG = YAML::Syck::Load <$fh>;
…		…
2607	(async {	3186	(async {
2608	Event::one_event;	3187	Event::one_event;
2609	})->prio (Coro::PRIO_MAX);	3188	})->prio (Coro::PRIO_MAX);
2610	};	3189	};
2611		3190
2612	cfg_load;	3191	reload_config;
2613	db_init;	3192	db_init;
2614	load_extensions;	3193	load_extensions;
2615		3194
2616	$TICK_WATCHER->start;	3195	$TICK_WATCHER->start;
2617	Event::loop;	3196	Event::loop;
…		…
2633	},	3212	},
2634	);	3213	);
2635	}	3214	}
2636	}	3215	}
2637		3216
		3217	sub write_runtime {
		3218	my $runtime = "$LOCALDIR/runtime";
		3219
		3220	# first touch the runtime file to show we are still running:
		3221	# the fsync below can take a very very long time.
		3222
		3223	IO::AIO::aio_utime $runtime, undef, undef;
		3224
		3225	my $guard = cf::lock_acquire "write_runtime";
		3226
		3227	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3228	or return;
		3229
		3230	my $value = $cf::RUNTIME + 90 + 10;
		3231	# 10 is the runtime save interval, for a monotonic clock
		3232	# 60 allows for the watchdog to kill the server.
		3233
		3234	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3235	and return;
		3236
		3237	# always fsync - this file is important
		3238	aio_fsync $fh
		3239	and return;
		3240
		3241	# touch it again to show we are up-to-date
		3242	aio_utime $fh, undef, undef;
		3243
		3244	close $fh
		3245	or return;
		3246
		3247	aio_rename "$runtime~", $runtime
		3248	and return;
		3249
		3250	warn "runtime file written.\n";
		3251
		3252	1
		3253	}
		3254
2638	sub emergency_save() {	3255	sub emergency_save() {
2639	my $freeze_guard = cf::freeze_mainloop;	3256	my $freeze_guard = cf::freeze_mainloop;
2640		3257
2641	warn "enter emergency perl save\n";	3258	warn "enter emergency perl save\n";
2642		3259
…		…
2717	%EXT_CORO = ();	3334	%EXT_CORO = ();
2718		3335
2719	warn "removing commands";	3336	warn "removing commands";
2720	%COMMAND = ();	3337	%COMMAND = ();
2721		3338
2722	warn "removing ext commands";	3339	warn "removing ext/exti commands";
2723	%EXTCMD = ();	3340	%EXTCMD = ();
		3341	%EXTICMD = ();
2724		3342
2725	warn "unloading/nuking all extensions";	3343	warn "unloading/nuking all extensions";
2726	for my $pkg (@EXTS) {	3344	for my $pkg (@EXTS) {
2727	warn "... unloading $pkg";	3345	warn "... unloading $pkg";
2728		3346
…		…
2771	warn "reloading cf.pm";	3389	warn "reloading cf.pm";
2772	require cf;	3390	require cf;
2773	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3391	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2774		3392
2775	warn "loading config and database again";	3393	warn "loading config and database again";
2776	cf::cfg_load;	3394	cf::reload_config;
2777		3395
2778	warn "loading extensions";	3396	warn "loading extensions";
2779	cf::load_extensions;	3397	cf::load_extensions;
2780		3398
2781	warn "reattaching attachments to objects/players";	3399	warn "reattaching attachments to objects/players";
…		…
2874	write_runtime	3492	write_runtime
2875	or warn "ERROR: unable to write runtime file: $!";	3493	or warn "ERROR: unable to write runtime file: $!";
2876	};	3494	};
2877	}	3495	}
2878		3496
2879	# my $AFTER = Event::time;
2880	# warn $AFTER - $NOW;#d#
2881
2882	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3497	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2883	$sig->send;	3498	$sig->send;
2884	}	3499	}
2885	while (my $sig = shift @WAIT_FOR_TICK) {	3500	while (my $sig = shift @WAIT_FOR_TICK) {
2886	$sig->send;	3501	$sig->send;
…		…
2896		3511
2897	$LOAD = ($NOW - $tick_start) / $TICK;	3512	$LOAD = ($NOW - $tick_start) / $TICK;
2898	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3513	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2899		3514
2900	_post_tick;	3515	_post_tick;
2901
2902
2903	},	3516	},
2904	);	3517	);
2905		3518
2906	{	3519	{
		3520	BDB::min_parallel 8;
2907	BDB::max_poll_time $TICK * 0.1;	3521	BDB::max_poll_time $TICK * 0.1;
2908	$BDB_POLL_WATCHER = Event->io (	3522	$BDB_POLL_WATCHER = Event->io (
2909	reentrant => 0,	3523	reentrant => 0,
2910	fd => BDB::poll_fileno,	3524	fd => BDB::poll_fileno,
2911	poll => 'r',	3525	poll => 'r',
2912	prio => 0,	3526	prio => 0,
2913	data => WF_AUTOCANCEL,	3527	data => WF_AUTOCANCEL,
2914	cb => \&BDB::poll_cb,	3528	cb => \&BDB::poll_cb,
2915	);	3529	);
2916	BDB::min_parallel 8;
2917		3530
2918	BDB::set_sync_prepare {	3531	BDB::set_sync_prepare {
2919	my $status;	3532	my $status;
2920	my $current = $Coro::current;	3533	my $current = $Coro::current;
2921	(	3534	(
…		…
2930	)	3543	)
2931	};	3544	};
2932		3545
2933	unless ($DB_ENV) {	3546	unless ($DB_ENV) {
2934	$DB_ENV = BDB::db_env_create;	3547	$DB_ENV = BDB::db_env_create;
		3548	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3549	| BDB::LOG_AUTOREMOVE, 1);
		3550	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3551	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2935		3552
2936	cf::sync_job {	3553	cf::sync_job {
2937	eval {	3554	eval {
2938	BDB::db_env_open	3555	BDB::db_env_open
2939	$DB_ENV,	3556	$DB_ENV,
…		…
2941	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3558	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2942	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3559	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2943	0666;	3560	0666;
2944		3561
2945	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3562	cf::cleanup "db_env_open($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	};	3563	};
2950		3564
2951	cf::cleanup "db_env_open(db): $@" if $@;	3565	cf::cleanup "db_env_open(db): $@" if $@;
2952	};	3566	};
2953	}	3567	}
		3568
		3569	$BDB_DEADLOCK_WATCHER = Event->timer (
		3570	after => 3,
		3571	interval => 1,
		3572	hard => 1,
		3573	prio => 0,
		3574	data => WF_AUTOCANCEL,
		3575	cb => sub {
		3576	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3577	},
		3578	);
		3579	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3580	after => 11,
		3581	interval => 60,
		3582	hard => 1,
		3583	prio => 0,
		3584	data => WF_AUTOCANCEL,
		3585	cb => sub {
		3586	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3587	},
		3588	);
		3589	$BDB_TRICKLE_WATCHER = Event->timer (
		3590	after => 5,
		3591	interval => 10,
		3592	hard => 1,
		3593	prio => 0,
		3594	data => WF_AUTOCANCEL,
		3595	cb => sub {
		3596	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3597	},
		3598	);
2954	}	3599	}
2955		3600
2956	{	3601	{
2957	IO::AIO::min_parallel 8;	3602	IO::AIO::min_parallel 8;
2958		3603

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