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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.271 by root, Fri Jun 1 06:04:08 2007 UTC vs.
Revision 1.371 by root, Thu Sep 13 16:16:01 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	IO::AIO::aio_utime $runtime, undef, undef;	489	=cut
401		490
402	my $guard = cf::lock_acquire "write_runtime";	491	sub fork_call(&@) {
		492	my ($cb, @args) = @_;
403		493
404	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	494	# we seemingly have to make a local copy of the whole thing,
405	or return;	495	# otherwise perl prematurely frees the stuff :/
		496	# TODO: investigate and fix (likely this will be rather laborious)
406		497
407	my $value = $cf::RUNTIME + 90 + 10;	498	my @res = Coro::Util::fork_eval {
408	# 10 is the runtime save interval, for a monotonic clock	499	reset_signals;
409	# 60 allows for the watchdog to kill the server.	500	&$cb
		501	}, @args;
410		502
411	(aio_write $fh, 0, (length $value), $value, 0) <= 0	503	wantarray ? @res : $res[-1]
412	and return;	504	}
413		505
414	# always fsync - this file is important	506	=item $value = cf::db_get $family => $key
415	aio_fsync $fh
416	and return;
417		507
418	# touch it again to show we are up-to-date	508	Returns a single value from the environment database.
419	aio_utime $fh, undef, undef;
420		509
421	close $fh	510	=item cf::db_put $family => $key => $value
422	or return;
423		511
424	aio_rename "$runtime~", $runtime	512	Stores the given C<$value> in the family. It can currently store binary
425	and return;	513	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
426		514
427	warn "runtime file written.\n";#d#	515	=item $db = cf::db_table "name"
428		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 $!;
		533	};
		534	cf::cleanup "db_open(db): $@" if $@;
		535
		536	$db
		537	}
		538
		539	our $DB;
		540
		541	sub db_init {
		542	cf::sync_job {
		543	$DB ||= db_table "db";
		544	};
		545	}
		546
		547	sub db_get($$) {
		548	my $key = "$_[0]/$_[1]";
		549
		550	cf::sync_job {
		551	BDB::db_get $DB, undef, $key, my $data;
		552
		553	$! ? ()
		554	: $data
429	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"
430	}	631	}
431		632
432	=item cf::datalog type => key => value, ...	633	=item cf::datalog type => key => value, ...
433		634
434	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.
…		…
452	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")
453	to it. All such attachable objects support the following methods.	654	to it. All such attachable objects support the following methods.
454		655
455	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>
456	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
457	crossfire+).	658	Crossfire TRT).
458		659
459	=over 4	660	=over 4
460		661
461	=item $attachable->attach ($attachment, key => $value...)	662	=item $attachable->attach ($attachment, key => $value...)
462		663
…		…
664	_attach $registry, $klass, @attach;	865	_attach $registry, $klass, @attach;
665	}	866	}
666		867
667	$obj->{$name} = \%arg;	868	$obj->{$name} = \%arg;
668	} else {	869	} else {
669	warn "object uses attachment '$name' that is not available, postponing.\n";	870	warn "object uses attachment '$name' which is not available, postponing.\n";
670	}	871	}
671		872
672	$obj->{_attachment}{$name} = undef;	873	$obj->{_attachment}{$name} = undef;
673	}	874	}
674		875
…		…
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	$f->next;
		1359	my $pl = cf::player::load_pl $f
		1360	or return;
		1361	local $cf::PLAYER_LOADING{$login} = $pl;
		1362	$f->resolve_delayed_derefs;
1053	$cf::PLAYER{$login} = $pl	1363	$cf::PLAYER{$login} = $pl
1054	}	1364	}
1055	}	1365	}
1056	}	1366	}
1057		1367
…		…
1067		1377
1068	aio_mkdir playerdir $pl, 0770;	1378	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1379	$pl->{last_save} = $cf::RUNTIME;
1070		1380
1071	$pl->save_pl ($path);	1381	$pl->save_pl ($path);
1072	Coro::cede;	1382	cf::cede_to_tick;
1073	}	1383	}
1074		1384
1075	sub new($) {	1385	sub new($) {
1076	my ($login) = @_;	1386	my ($login) = @_;
1077		1387
…		…
1081	$self->{deny_save} = 1;	1391	$self->{deny_save} = 1;
1082		1392
1083	$cf::PLAYER{$login} = $self;	1393	$cf::PLAYER{$login} = $self;
1084		1394
1085	$self	1395	$self
		1396	}
		1397
		1398	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1399
		1400	=cut
		1401
		1402	sub send_msg {
		1403	my $ns = shift->ns
		1404	or return;
		1405	$ns->send_msg (@_);
1086	}	1406	}
1087		1407
1088	=item $pl->quit_character	1408	=item $pl->quit_character
1089		1409
1090	Nukes the player without looking back. If logged in, the connection will	1410	Nukes the player without looking back. If logged in, the connection will
…		…
1145	or return [];	1465	or return [];
1146		1466
1147	my @logins;	1467	my @logins;
1148		1468
1149	for my $login (@$dirs) {	1469	for my $login (@$dirs) {
		1470	my $path = path $login;
		1471
		1472	# a .pst is a dead give-away for a valid player
		1473	unless (-e "$path.pst") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1474	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1475	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1476	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1477	}
1153		1478
1154	utf8::decode $login;	1479	utf8::decode $login;
1155	push @logins, $login;	1480	push @logins, $login;
1156	}	1481	}
1157		1482
…		…
1184	}	1509	}
1185		1510
1186	\@paths	1511	\@paths
1187	}	1512	}
1188		1513
		1514	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1515
		1516	Expand crossfire pod fragments into protocol xml.
		1517
		1518	=cut
		1519
		1520	sub expand_cfpod {
		1521	((my $self), (local $_)) = @_;
		1522
		1523	# escape & and <
		1524	s/&/&amp;/g;
		1525	s/(?<![BIUGHT])</&lt;/g;
		1526
		1527	# this is buggy, it needs to properly take care of nested <'s
		1528
		1529	1 while
		1530	# replace B<>, I<>, U<> etc.
		1531	s/B<([^\>]*)>/<b>$1<\/b>/
		1532	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1533	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1534	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1535	# replace G<male|female> tags
		1536	|| s{G<([^>|]*)\|([^>]*)>}{
		1537	$self->gender ? $2 : $1
		1538	}ge
		1539	# replace H<hint text>
		1540	|| s{H<([^\>]*)>}
		1541	{
		1542	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1543	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1544	"")
		1545	[$self->{hintmode}]
		1546	}ge;
		1547
		1548	# create single paragraphs (very hackish)
		1549	s/(?<=\S)\n(?=\w)/ /g;
		1550
		1551	# compress some whitespace
		1552	s/\s+\n/\n/g; # ws line-ends
		1553	s/\n\n+/\n/g; # double lines
		1554	s/^\n+//; # beginning lines
		1555	s/\n+$//; # ending lines
		1556
		1557	$_
		1558	}
		1559
		1560	sub hintmode {
		1561	$_[0]{hintmode} = $_[1] if @_ > 1;
		1562	$_[0]{hintmode}
		1563	}
		1564
1189	=item $player->ext_reply ($msgid, %msg)	1565	=item $player->ext_reply ($msgid, @msg)
1190		1566
1191	Sends an ext reply to the player.	1567	Sends an ext reply to the player.
1192		1568
1193	=cut	1569	=cut
1194		1570
1195	sub ext_reply($$%) {	1571	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1572	my ($self, $id, @msg) = @_;
1197		1573
1198	$msg{msgid} = $id;	1574	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1575	}
1202		1576
1203	=item $player->ext_event ($type, %msg)	1577	=item $player->ext_msg ($type, @msg)
1204		1578
1205	Sends an ext event to the client.	1579	Sends an ext event to the client.
1206		1580
1207	=cut	1581	=cut
1208		1582
1209	sub ext_event($$%) {	1583	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1584	my ($self, $type, @msg) = @_;
1211		1585
1212	$self->ns->ext_event ($type, %msg);	1586	$self->ns->ext_msg ($type, @msg);
1213	}	1587	}
1214		1588
1215	=head3 cf::region	1589	=head3 cf::region
1216		1590
1217	=over 4	1591	=over 4
…		…
1220		1594
1221	package cf::region;	1595	package cf::region;
1222		1596
1223	=item cf::region::find_by_path $path	1597	=item cf::region::find_by_path $path
1224		1598
1225	Tries to decuce the probable region for a map knowing only its path.	1599	Tries to decuce the likely region for a map knowing only its path.
1226		1600
1227	=cut	1601	=cut
1228		1602
1229	sub find_by_path($) {	1603	sub find_by_path($) {
1230	my ($path) = @_;	1604	my ($path) = @_;
1231		1605
1232	my ($match, $specificity);	1606	my ($match, $specificity);
1233		1607
1234	for my $region (list) {	1608	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1609	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1610	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1611	if $region->specificity > $specificity;
1238	}	1612	}
1239	}	1613	}
1240		1614
…		…
1304	my ($self, $merge) = @_;	1678	my ($self, $merge) = @_;
1305		1679
1306	# we have to keep some variables in memory intact	1680	# we have to keep some variables in memory intact
1307	local $self->{path};	1681	local $self->{path};
1308	local $self->{load_path};	1682	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1683
1312	$self->SUPER::thawer_merge ($merge);	1684	$self->SUPER::thawer_merge ($merge);
1313	}	1685	}
1314		1686
1315	sub normalise {	1687	sub normalise {
…		…
1362	$self->init; # pass $1 etc.	1734	$self->init; # pass $1 etc.
1363	return $self;	1735	return $self;
1364	}	1736	}
1365	}	1737	}
1366		1738
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	1739	Carp::cluck "unable to resolve path '$path' (base '$base').";
1368	()	1740	()
1369	}	1741	}
1370		1742
1371	sub init {	1743	sub init {
1372	my ($self) = @_;	1744	my ($self) = @_;
…		…
1415		1787
1416	$_->change_map_light ($change)	1788	$_->change_map_light ($change)
1417	for grep $_->outdoor, values %cf::MAP;	1789	for grep $_->outdoor, values %cf::MAP;
1418	}	1790	}
1419		1791
		1792	sub decay_objects {
		1793	my ($self) = @_;
		1794
		1795	return if $self->{deny_reset};
		1796
		1797	$self->do_decay_objects;
		1798	}
		1799
1420	sub unlink_save {	1800	sub unlink_save {
1421	my ($self) = @_;	1801	my ($self) = @_;
1422		1802
1423	utf8::encode (my $save = $self->save_path);	1803	utf8::encode (my $save = $self->save_path);
1424	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1804	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1427		1807
1428	sub load_header_from($) {	1808	sub load_header_from($) {
1429	my ($self, $path) = @_;	1809	my ($self, $path) = @_;
1430		1810
1431	utf8::encode $path;	1811	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	1812	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	or return;	1813	or return;
		1814
		1815	$self->_load_header ($f)
		1816	or return;
		1817
		1818	local $MAP_LOADING{$self->{path}} = $self;
		1819	$f->resolve_delayed_derefs;
1437		1820
1438	$self->{load_path} = $path;	1821	$self->{load_path} = $path;
1439		1822
1440	1	1823	1
1441	}	1824	}
…		…
1480	$self->load_header_orig	1863	$self->load_header_orig
1481	or return;	1864	or return;
1482	$self->prepare_orig;	1865	$self->prepare_orig;
1483	}	1866	}
1484		1867
		1868	$self->{deny_reset} = 1
		1869	if $self->no_reset;
		1870
1485	$self->default_region (cf::region::find_by_path $self->{path})	1871	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	1872	unless $self->default_region;
1487		1873
1488	1	1874	1
1489	}	1875	}
…		…
1492	sub find {	1878	sub find {
1493	my ($path, $origin) = @_;	1879	my ($path, $origin) = @_;
1494		1880
1495	$path = normalise $path, $origin && $origin->path;	1881	$path = normalise $path, $origin && $origin->path;
1496		1882
		1883	cf::lock_wait "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	1884	cf::lock_wait "map_find:$path";
1498		1885
1499	$cf::MAP{$path} || do {	1886	$cf::MAP{$path} || do {
1500	my $guard = cf::lock_acquire "map_find:$path";	1887	my $guard1 = cf::lock_acquire "map_find:$path";
		1888	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1889
1501	my $map = new_from_path cf::map $path	1890	my $map = new_from_path cf::map $path
1502	or return;	1891	or return;
1503		1892
1504	$map->{last_save} = $cf::RUNTIME;	1893	$map->{last_save} = $cf::RUNTIME;
1505		1894
1506	$map->load_header	1895	$map->load_header
1507	or return;	1896	or return;
1508		1897
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1898	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	1899	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	1900	#$cf::WAIT_FOR_TICK->wait;
		1901	undef $guard1;
		1902	undef $guard2;
1512	$map->reset;	1903	$map->reset;
1513	undef $guard;
1514	return find $path;	1904	return find $path;
1515	}	1905	}
1516		1906
1517	$cf::MAP{$path} = $map	1907	$cf::MAP{$path} = $map
1518	}	1908	}
…		…
1527	local $self->{deny_reset} = 1; # loading can take a long time	1917	local $self->{deny_reset} = 1; # loading can take a long time
1528		1918
1529	my $path = $self->{path};	1919	my $path = $self->{path};
1530		1920
1531	{	1921	{
1532	my $guard = cf::lock_acquire "map_load:$path";	1922	my $guard = cf::lock_acquire "map_data:$path";
1533		1923
		1924	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	1925	return unless $self->in_memory == cf::MAP_SWAPPED;
1535		1926
1536	$self->in_memory (cf::MAP_LOADING);	1927	$self->in_memory (cf::MAP_LOADING);
1537		1928
1538	$self->alloc;	1929	$self->alloc;
1539		1930
1540	$self->pre_load;	1931	$self->pre_load;
1541	Coro::cede;	1932	cf::cede_to_tick;
1542		1933
		1934	my $f = new_from_file cf::object::thawer $self->{load_path};
		1935	$f->skip_block;
1543	$self->_load_objects ($self->{load_path}, 1)	1936	$self->_load_objects ($f)
1544	or return;	1937	or return;
1545		1938
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1939	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1547	if delete $self->{load_original};	1940	if delete $self->{load_original};
1548		1941
1549	if (my $uniq = $self->uniq_path) {	1942	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	1943	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	1944	unless (aio_stat $uniq) {
		1945	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	1946	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	1947	$self->_load_objects ($f);
		1948	$f->resolve_delayed_derefs;
		1949	}
1554	}	1950	}
1555	}	1951	}
1556		1952
1557	Coro::cede;	1953	$f->resolve_delayed_derefs;
		1954
		1955	cf::cede_to_tick;
1558	# now do the right thing for maps	1956	# now do the right thing for maps
1559	$self->link_multipart_objects;	1957	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	1958	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	1959	unless $self->difficulty;
1562	Coro::cede;	1960	cf::cede_to_tick;
1563		1961
1564	unless ($self->{deny_activate}) {	1962	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	1963	$self->decay_objects;
1566	$self->fix_auto_apply;	1964	$self->fix_auto_apply;
1567	$self->update_buttons;	1965	$self->update_buttons;
1568	Coro::cede;	1966	cf::cede_to_tick;
1569	$self->set_darkness_map;	1967	$self->set_darkness_map;
1570	Coro::cede;	1968	cf::cede_to_tick;
1571	$self->activate;	1969	$self->activate;
1572	}	1970	}
		1971
		1972	$self->{last_save} = $cf::RUNTIME;
		1973	$self->last_access ($cf::RUNTIME);
1573		1974
1574	$self->in_memory (cf::MAP_IN_MEMORY);	1975	$self->in_memory (cf::MAP_IN_MEMORY);
1575	}	1976	}
1576		1977
1577	$self->post_load;	1978	$self->post_load;
…		…
1581	my ($self, $ob) = @_;	1982	my ($self, $ob) = @_;
1582		1983
1583	return find "~" . $ob->name . "/" . $self->{path}	1984	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	1985	if $self->per_player;
1585		1986
		1987	# return find "?party/" . $ob->name . "/" . $self->{path}
		1988	# if $self->per_party;
		1989
1586	$self	1990	$self
1587	}	1991	}
1588		1992
1589	# find and load all maps in the 3x3 area around a map	1993	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	1994	sub load_neighbours {
1591	my ($map) = @_;	1995	my ($map) = @_;
1592		1996
1593	my @diag; # diagonal neighbours	1997	my @neigh; # diagonal neighbours
1594		1998
1595	for (0 .. 3) {	1999	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)	2000	my $neigh = $map->tile_path ($_)
1597	or next;	2001	or next;
1598	$neigh = find $neigh, $map	2002	$neigh = find $neigh, $map
1599	or next;	2003	or next;
1600	$neigh->load;	2004	$neigh->load;
1601		2005
		2006	push @neigh,
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2007	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2008	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}	2009	}
1605		2010
1606	for (@diag) {	2011	for (grep defined $_->[0], @neigh) {
		2012	my ($path, $origin) = @$_;
1607	my $neigh = find @$_	2013	my $neigh = find $path, $origin
1608	or next;	2014	or next;
1609	$neigh->load;	2015	$neigh->load;
1610	}	2016	}
1611	}	2017	}
1612		2018
…		…
1617	}	2023	}
1618		2024
1619	sub do_load_sync {	2025	sub do_load_sync {
1620	my ($map) = @_;	2026	my ($map) = @_;
1621		2027
		2028	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2029	if $Coro::current == $Coro::main;
		2030
1622	cf::sync_job { $map->load };	2031	cf::sync_job { $map->load };
1623	}	2032	}
1624		2033
1625	our %MAP_PREFETCH;	2034	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2035	our $MAP_PREFETCHER = undef;
1627		2036
1628	sub find_async {	2037	sub find_async {
1629	my ($path, $origin) = @_;	2038	my ($path, $origin, $load) = @_;
1630		2039
1631	$path = normalise $path, $origin && $origin->{path};	2040	$path = normalise $path, $origin && $origin->{path};
1632		2041
1633	if (my $map = $cf::MAP{$path}) {	2042	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2043	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1635	}	2044	}
1636		2045
1637	undef $MAP_PREFETCH{$path};	2046	$MAP_PREFETCH{$path} |= $load;
		2047
1638	$MAP_PREFETCHER ||= cf::async {	2048	$MAP_PREFETCHER ||= cf::async {
1639	while (%MAP_PREFETCH) {	2049	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2050	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2051	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2052	$map->load if $v;
		2053	}
1644		2054
1645	delete $MAP_PREFETCH{$path};	2055	delete $MAP_PREFETCH{$k};
1646	}	2056	}
1647	}	2057	}
1648	undef $MAP_PREFETCHER;	2058	undef $MAP_PREFETCHER;
1649	};	2059	};
1650	$MAP_PREFETCHER->prio (6);	2060	$MAP_PREFETCHER->prio (6);
…		…
1653	}	2063	}
1654		2064
1655	sub save {	2065	sub save {
1656	my ($self) = @_;	2066	my ($self) = @_;
1657		2067
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	2068	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		2069
1660	$self->{last_save} = $cf::RUNTIME;	2070	$self->{last_save} = $cf::RUNTIME;
1661		2071
1662	return unless $self->dirty;	2072	return unless $self->dirty;
1663		2073
…		…
1686	my ($self) = @_;	2096	my ($self) = @_;
1687		2097
1688	# save first because save cedes	2098	# save first because save cedes
1689	$self->save;	2099	$self->save;
1690		2100
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2101	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2102
1693	return if $self->players;	2103	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;	2104	return if $self->in_memory != cf::MAP_IN_MEMORY;
1695	return if $self->{deny_save};	2105	return if $self->{deny_save};
1696		2106
		2107	$self->in_memory (cf::MAP_SWAPPED);
		2108
		2109	$self->deactivate;
		2110	$_->clear_links_to ($self) for values %cf::MAP;
1697	$self->clear;	2111	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2112	}
1700		2113
1701	sub reset_at {	2114	sub reset_at {
1702	my ($self) = @_;	2115	my ($self) = @_;
1703		2116
1704	# TODO: safety, remove and allow resettable per-player maps	2117	# 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};	2118	return 1e99 if $self->{deny_reset};
1707		2119
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2120	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2121	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2122
…		…
1721	my ($self) = @_;	2133	my ($self) = @_;
1722		2134
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2135	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2136
1725	return if $self->players;	2137	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2138
1728	warn "resetting map ", $self->path;#d#	2139	warn "resetting map ", $self->path;
1729		2140
1730	$self->in_memory (cf::MAP_SWAPPED);	2141	$self->in_memory (cf::MAP_SWAPPED);
1731		2142
1732	# need to save uniques path	2143	# need to save uniques path
1733	unless ($self->{deny_save}) {	2144	unless ($self->{deny_save}) {
…		…
1737	if $uniq;	2148	if $uniq;
1738	}	2149	}
1739		2150
1740	delete $cf::MAP{$self->path};	2151	delete $cf::MAP{$self->path};
1741		2152
		2153	$self->deactivate;
		2154	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2155	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2156
1746	$self->unlink_save;	2157	$self->unlink_save;
1747	$self->destroy;	2158	$self->destroy;
1748	}	2159	}
1749		2160
1750	my $nuke_counter = "aaaa";	2161	my $nuke_counter = "aaaa";
1751		2162
1752	sub nuke {	2163	sub nuke {
1753	my ($self) = @_;	2164	my ($self) = @_;
1754		2165
		2166	{
		2167	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2168
1755	delete $cf::MAP{$self->path};	2169	delete $cf::MAP{$self->path};
1756		2170
1757	$self->unlink_save;	2171	$self->unlink_save;
1758		2172
1759	bless $self, "cf::map";	2173	bless $self, "cf::map";
1760	delete $self->{deny_reset};	2174	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2175	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2176	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2177	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2178
1765	$cf::MAP{$self->path} = $self;	2179	$cf::MAP{$self->path} = $self;
		2180	}
1766		2181
1767	$self->reset; # polite request, might not happen	2182	$self->reset; # polite request, might not happen
		2183	}
		2184
		2185	=item $maps = cf::map::tmp_maps
		2186
		2187	Returns an arrayref with all map paths of currently instantiated and saved
		2188	maps. May block.
		2189
		2190	=cut
		2191
		2192	sub tmp_maps() {
		2193	[
		2194	map {
		2195	utf8::decode $_;
		2196	/\.map$/
		2197	? normalise $_
		2198	: ()
		2199	} @{ aio_readdir $TMPDIR or [] }
		2200	]
		2201	}
		2202
		2203	=item $maps = cf::map::random_maps
		2204
		2205	Returns an arrayref with all map paths of currently instantiated and saved
		2206	random maps. May block.
		2207
		2208	=cut
		2209
		2210	sub random_maps() {
		2211	[
		2212	map {
		2213	utf8::decode $_;
		2214	/\.map$/
		2215	? normalise "?random/$_"
		2216	: ()
		2217	} @{ aio_readdir $RANDOMDIR or [] }
		2218	]
1768	}	2219	}
1769		2220
1770	=item cf::map::unique_maps	2221	=item cf::map::unique_maps
1771		2222
1772	Returns an arrayref of paths of all shared maps that have	2223	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2224	instantiated unique items. May block.
1774		2225
1775	=cut	2226	=cut
1776		2227
1777	sub unique_maps() {	2228	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2229	[
1779	or return;	2230	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2231	utf8::decode $_;
1785	next if /\.pst$/;	2232	/\.map$/
1786	next unless /^$PATH_SEP/o;	2233	? normalise $_
1787		2234	: ()
1788	push @paths, cf::map::normalise $_;	2235	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2236	]
1790
1791	\@paths
1792	}	2237	}
1793		2238
1794	package cf;	2239	package cf;
1795		2240
1796	=back	2241	=back
…		…
1814	map { $_, inv_recursive_ $_->inv } @_	2259	map { $_, inv_recursive_ $_->inv } @_
1815	}	2260	}
1816		2261
1817	sub inv_recursive {	2262	sub inv_recursive {
1818	inv_recursive_ inv $_[0]	2263	inv_recursive_ inv $_[0]
		2264	}
		2265
		2266	=item $ref = $ob->ref
		2267
		2268	creates and returns a persistent reference to an objetc that can be stored as a string.
		2269
		2270	=item $ob = cf::object::deref ($refstring)
		2271
		2272	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2273	even if the object actually exists. May block.
		2274
		2275	=cut
		2276
		2277	sub deref {
		2278	my ($ref) = @_;
		2279
		2280	# temporary compatibility#TODO#remove
		2281	$ref =~ s{^<}{player/<};
		2282
		2283	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2284	my ($uuid, $name) = ($1, $2);
		2285	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2286	or return;
		2287	$pl->ob->uuid eq $uuid
		2288	or return;
		2289
		2290	$pl->ob
		2291	} else {
		2292	warn "$ref: cannot resolve object reference\n";
		2293	undef
		2294	}
1819	}	2295	}
1820		2296
1821	package cf;	2297	package cf;
1822		2298
1823	=back	2299	=back
…		…
1842		2318
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2319	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2320
1845	if ($self->{record_replies}) {	2321	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2322	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2323
1847	} else {	2324	} else {
		2325	my $pl = $self->contr;
		2326
		2327	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2328	my $dialog = $pl->{npc_dialog};
		2329	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2330
		2331	} else {
1848	$msg = $npc->name . " says: $msg" if $npc;	2332	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2333	$self->message ($msg, $flags);
		2334	}
1850	}	2335	}
		2336	}
		2337
		2338	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2339
		2340	=cut
		2341
		2342	sub cf::object::send_msg {
		2343	my $pl = shift->contr
		2344	or return;
		2345	$pl->send_msg (@_);
1851	}	2346	}
1852		2347
1853	=item $player_object->may ("access")	2348	=item $player_object->may ("access")
1854		2349
1855	Returns wether the given player is authorized to access resource "access"	2350	Returns wether the given player is authorized to access resource "access"
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2429	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2430	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2431	if $x <=0 && $y <= 0;
1937		2432
1938	$map->load;	2433	$map->load;
1939	$map->load_diag;	2434	$map->load_neighbours;
1940		2435
1941	return unless $self->contr->active;	2436	return unless $self->contr->active;
1942	$self->activate_recursive;	2437	$self->activate_recursive;
1943		2438
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2439	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2440	$self->enter_map ($map, $x, $y);
1946	}	2441	}
1947		2442
1948	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2443	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949		2444
1950	Moves the player to the given map-path and coordinates by first freezing	2445	Moves the player to the given map-path and coordinates by first freezing
1951	her, loading and preparing them map, calling the provided $check callback	2446	her, loading and preparing them map, calling the provided $check callback
1952	that has to return the map if sucecssful, and then unfreezes the player on	2447	that has to return the map if sucecssful, and then unfreezes the player on
1953	the new (success) or old (failed) map position.	2448	the new (success) or old (failed) map position. In either case, $done will
		2449	be called at the end of this process.
1954		2450
1955	=cut	2451	=cut
1956		2452
1957	our $GOTOGEN;	2453	our $GOTOGEN;
1958		2454
1959	sub cf::object::player::goto {	2455	sub cf::object::player::goto {
1960	my ($self, $path, $x, $y, $check) = @_;	2456	my ($self, $path, $x, $y, $check, $done) = @_;
1961		2457
1962	# do generation counting so two concurrent goto's will be executed in-order	2458	# do generation counting so two concurrent goto's will be executed in-order
1963	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2459	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964		2460
1965	$self->enter_link;	2461	$self->enter_link;
1966		2462
1967	(async {	2463	(async {
		2464	# *tag paths override both path and x|y
		2465	if ($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
1968	my $map = eval {	2483	my $map = eval {
1969	my $map = cf::map::find $path;	2484	my $map = defined $path ? cf::map::find $path : undef;
1970		2485
1971	if ($map) {	2486	if ($map) {
1972	$map = $map->customise_for ($self);	2487	$map = $map->customise_for ($self);
1973	$map = $check->($map) if $check && $map;	2488	$map = $check->($map) if $check && $map;
1974	} else {	2489	} else {
1975	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2490	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1976	}	2491	}
1977		2492
1978	$map	2493	$map
1979	};	2494	};
1980		2495
…		…
1985		2500
1986	if ($gen == $self->{_goto_generation}) {	2501	if ($gen == $self->{_goto_generation}) {
1987	delete $self->{_goto_generation};	2502	delete $self->{_goto_generation};
1988	$self->leave_link ($map, $x, $y);	2503	$self->leave_link ($map, $x, $y);
1989	}	2504	}
		2505
		2506	$done->() if $done;
1990	})->prio (1);	2507	})->prio (1);
1991	}	2508	}
1992		2509
1993	=item $player_object->enter_exit ($exit_object)	2510	=item $player_object->enter_exit ($exit_object)
1994		2511
…		…
2063	my $hp = $exit->stats->hp;	2580	my $hp = $exit->stats->hp;
2064	my $sp = $exit->stats->sp;	2581	my $sp = $exit->stats->sp;
2065		2582
2066	$self->enter_link;	2583	$self->enter_link;
2067		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
2068	(async {	2589	(async {
2069	$self->deactivate_recursive; # just to be sure	2590	$self->deactivate_recursive; # just to be sure
2070	unless (eval {	2591	unless (eval {
2071	$self->goto ($slaying, $hp, $sp);	2592	$self->goto ($slaying, $hp, $sp);
2072		2593
…		…
2099		2620
2100	utf8::encode $text;	2621	utf8::encode $text;
2101	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2622	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2102	}	2623	}
2103		2624
		2625	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2626
		2627	Send a drawinfo or msg packet to the client, formatting the msg for the
		2628	client if neccessary. C<$type> should be a string identifying the type of
		2629	the message, with C<log> being the default. If C<$color> is negative, suppress
		2630	the message unless the client supports the msg packet.
		2631
		2632	=cut
		2633
		2634	our %CHANNEL = (
		2635	"c/identify" => {
		2636	id => "identify",
		2637	title => "Identify",
		2638	reply => undef,
		2639	tooltip => "Items recently identified",
		2640	},
		2641	"c/examine" => {
		2642	id => "examine",
		2643	title => "Examine",
		2644	reply => undef,
		2645	tooltip => "Signs and other items you examined",
		2646	},
		2647	);
		2648
		2649	sub cf::client::send_msg {
		2650	my ($self, $channel, $msg, $color, @extra) = @_;
		2651
		2652	$msg = $self->pl->expand_cfpod ($msg);
		2653
		2654	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2655
		2656	# check predefined channels, for the benefit of C
		2657	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2658
		2659	if (ref $channel) {
		2660	# send meta info to client, if not yet sent
		2661	unless (exists $self->{channel}{$channel->{id}}) {
		2662	$self->{channel}{$channel->{id}} = $channel;
		2663	$self->ext_msg (channel_info => $channel)
		2664	if $self->can_msg;
		2665	}
		2666
		2667	$channel = $channel->{id};
		2668	}
		2669
		2670	return unless @extra || length $msg;
		2671
		2672	if ($self->can_msg) {
		2673	# default colour, mask it out
		2674	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2675	if $color & cf::NDI_DEF;
		2676
		2677	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2678	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2679	} else {
		2680	if ($color >= 0) {
		2681	# replace some tags by gcfclient-compatible ones
		2682	for ($msg) {
		2683	1 while
		2684	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2685	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2686	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2687	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2688	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2689	}
		2690
		2691	$color &= cf::NDI_COLOR_MASK;
		2692
		2693	utf8::encode $msg;
		2694
		2695	if (0 && $msg =~ /\[/) {
		2696	# COMMAND/INFO
		2697	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2698	} else {
		2699	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2700	$self->send_packet ("drawinfo $color $msg")
		2701	}
		2702	}
		2703	}
		2704	}
		2705
2104	=item $client->ext_event ($type, %msg)	2706	=item $client->ext_msg ($type, @msg)
2105		2707
2106	Sends an exti event to the client.	2708	Sends an ext event to the client.
2107		2709
2108	=cut	2710	=cut
2109		2711
2110	sub cf::client::ext_event($$%) {	2712	sub cf::client::ext_msg($$@) {
2111	my ($self, $type, %msg) = @_;	2713	my ($self, $type, @msg) = @_;
2112		2714
		2715	if ($self->extcmd == 2) {
		2716	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2717	} elsif ($self->extcmd == 1) { # TODO: remove
2113	$msg{msgtype} = "event_$type";	2718	push @msg, msgtype => "event_$type";
2114	$self->send_packet ("ext " . cf::to_json \%msg);	2719	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2720	}
		2721	}
		2722
		2723	=item $client->ext_reply ($msgid, @msg)
		2724
		2725	Sends an ext reply to the client.
		2726
		2727	=cut
		2728
		2729	sub cf::client::ext_reply($$@) {
		2730	my ($self, $id, @msg) = @_;
		2731
		2732	if ($self->extcmd == 2) {
		2733	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2734	} elsif ($self->extcmd == 1) {
		2735	#TODO: version 1, remove
		2736	unshift @msg, msgtype => "reply", msgid => $id;
		2737	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2738	}
2115	}	2739	}
2116		2740
2117	=item $success = $client->query ($flags, "text", \&cb)	2741	=item $success = $client->query ($flags, "text", \&cb)
2118		2742
2119	Queues a query to the client, calling the given callback with	2743	Queues a query to the client, calling the given callback with
2120	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2744	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2121	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2745	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2122		2746
2123	Queries can fail, so check the return code. Or don't, as queries will become	2747	Queries can fail, so check the return code. Or don't, as queries will
2124	reliable at some point in the future.	2748	become reliable at some point in the future.
2125		2749
2126	=cut	2750	=cut
2127		2751
2128	sub cf::client::query {	2752	sub cf::client::query {
2129	my ($self, $flags, $text, $cb) = @_;	2753	my ($self, $flags, $text, $cb) = @_;
…		…
2137	utf8::encode $text;	2761	utf8::encode $text;
2138	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2762	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139		2763
2140	$self->send_packet ($self->{query_queue}[0][0])	2764	$self->send_packet ($self->{query_queue}[0][0])
2141	if @{ $self->{query_queue} } == 1;	2765	if @{ $self->{query_queue} } == 1;
		2766
		2767	1
2142	}	2768	}
2143		2769
2144	cf::client->attach (	2770	cf::client->attach (
		2771	on_connect => sub {
		2772	my ($ns) = @_;
		2773
		2774	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2775	},
2145	on_reply => sub {	2776	on_reply => sub {
2146	my ($ns, $msg) = @_;	2777	my ($ns, $msg) = @_;
2147		2778
2148	# this weird shuffling is so that direct followup queries	2779	# this weird shuffling is so that direct followup queries
2149	# get handled first	2780	# get handled first
…		…
2161	} else {	2792	} else {
2162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2793	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163	}	2794	}
2164	}	2795	}
2165	},	2796	},
		2797	on_exticmd => sub {
		2798	my ($ns, $buf) = @_;
		2799
		2800	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2801
		2802	if (ref $msg) {
		2803	my ($type, $reply, @payload) =
		2804	"ARRAY" eq ref $msg
		2805	? @$msg
		2806	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2807
		2808	my @reply;
		2809
		2810	if (my $cb = $EXTICMD{$type}) {
		2811	@reply = $cb->($ns, @payload);
		2812	}
		2813
		2814	$ns->ext_reply ($reply, @reply)
		2815	if $reply;
		2816
		2817	} else {
		2818	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2819	}
		2820
		2821	cf::override;
		2822	},
2166	);	2823	);
2167		2824
2168	=item $client->async (\&cb)	2825	=item $client->async (\&cb)
2169		2826
2170	Create a new coroutine, running the specified callback. The coroutine will	2827	Create a new coroutine, running the specified callback. The coroutine will
…		…
2211	our $safe = new Safe "safe";	2868	our $safe = new Safe "safe";
2212	our $safe_hole = new Safe::Hole;	2869	our $safe_hole = new Safe::Hole;
2213		2870
2214	$SIG{FPE} = 'IGNORE';	2871	$SIG{FPE} = 'IGNORE';
2215		2872
2216	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2873	$safe->permit_only (Opcode::opset qw(
		2874	:base_core :base_mem :base_orig :base_math
		2875	grepstart grepwhile mapstart mapwhile
		2876	sort time
		2877	));
2217		2878
2218	# here we export the classes and methods available to script code	2879	# here we export the classes and methods available to script code
2219		2880
2220	=pod	2881	=pod
2221		2882
2222	The following functions and methods are available within a safe environment:	2883	The following functions and methods are available within a safe environment:
2223		2884
2224	cf::object contr pay_amount pay_player map	2885	cf::object
		2886	contr pay_amount pay_player map x y force_find force_add
		2887	insert remove name archname title slaying race decrease_ob_nr
		2888
2225	cf::object::player player	2889	cf::object::player
2226	cf::player peaceful	2890	player
2227	cf::map trigger	2891
		2892	cf::player
		2893	peaceful
		2894
		2895	cf::map
		2896	trigger
2228		2897
2229	=cut	2898	=cut
2230		2899
2231	for (	2900	for (
2232	["cf::object" => qw(contr pay_amount pay_player map)],	2901	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2902	insert remove inv name archname title slaying race
		2903	decrease_ob_nr)],
2233	["cf::object::player" => qw(player)],	2904	["cf::object::player" => qw(player)],
2234	["cf::player" => qw(peaceful)],	2905	["cf::player" => qw(peaceful)],
2235	["cf::map" => qw(trigger)],	2906	["cf::map" => qw(trigger)],
2236	) {	2907	) {
2237	no strict 'refs';	2908	no strict 'refs';
…		…
2308	=back	2979	=back
2309		2980
2310	=cut	2981	=cut
2311		2982
2312	#############################################################################	2983	#############################################################################
2313
2314	=head2 EXTENSION DATABASE SUPPORT
2315
2316	Crossfire maintains a very simple database for extension use. It can
2317	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2318	convert to/from binary).
2319
2320	The parameter C<$family> should best start with the name of the extension
2321	using it, it should be unique.
2322
2323	=over 4
2324
2325	=item $value = cf::db_get $family => $key
2326
2327	Returns a single value from the database.
2328
2329	=item cf::db_put $family => $key => $value
2330
2331	Stores the given C<$value> in the family.
2332
2333	=cut
2334
2335	our $DB;
2336
2337	sub db_init {
2338	unless ($DB) {
2339	$DB = BDB::db_create $DB_ENV;
2340
2341	cf::sync_job {
2342	eval {
2343	$DB->set_flags (BDB::CHKSUM);
2344
2345	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2346	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2347	cf::cleanup "db_open(db): $!" if $!;
2348	};
2349	cf::cleanup "db_open(db): $@" if $@;
2350	};
2351	}
2352	}
2353
2354	sub db_get($$) {
2355	my $key = "$_[0]/$_[1]";
2356
2357	cf::sync_job {
2358	BDB::db_get $DB, undef, $key, my $data;
2359
2360	$! ? ()
2361	: $data
2362	}
2363	}
2364
2365	sub db_put($$$) {
2366	BDB::dbreq_pri 4;
2367	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2368	}
2369
2370	=item cf::cache $id => [$paths...], $processversion => $process
2371
2372	Generic caching function that returns the value of the resource $id,
2373	caching and regenerating as required.
2374
2375	This function can block.
2376
2377	=cut
2378
2379	sub cache {
2380	my ($id, $src, $processversion, $process) = @_;
2381
2382	my $meta =
2383	join "\x00",
2384	$processversion,
2385	map {
2386	aio_stat $_
2387	and Carp::croak "$_: $!";
2388
2389	($_, (stat _)[7,9])
2390	} @$src;
2391
2392	my $dbmeta = db_get cache => "$id/meta";
2393	if ($dbmeta ne $meta) {
2394	# changed, we may need to process
2395
2396	my @data;
2397	my $md5;
2398
2399	for (0 .. $#$src) {
2400	0 <= aio_load $src->[$_], $data[$_]
2401	or Carp::croak "$src->[$_]: $!";
2402	}
2403
2404	# if processing is expensive, check
2405	# checksum first
2406	if (1) {
2407	$md5 =
2408	join "\x00",
2409	$processversion,
2410	map {
2411	Coro::cede;
2412	($src->[$_], Digest::MD5::md5_hex $data[$_])
2413	} 0.. $#$src;
2414
2415
2416	my $dbmd5 = db_get cache => "$id/md5";
2417	if ($dbmd5 eq $md5) {
2418	db_put cache => "$id/meta", $meta;
2419
2420	return db_get cache => "$id/data";
2421	}
2422	}
2423
2424	my $t1 = Time::HiRes::time;
2425	my $data = $process->(\@data);
2426	my $t2 = Time::HiRes::time;
2427
2428	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2429
2430	db_put cache => "$id/data", $data;
2431	db_put cache => "$id/md5" , $md5;
2432	db_put cache => "$id/meta", $meta;
2433
2434	return $data;
2435	}
2436
2437	db_get cache => "$id/data"
2438	}
2439
2440	=item fork_call { }, $args
2441
2442	Executes the given code block with the given arguments in a seperate
2443	process, returning the results. Everything must be serialisable with
2444	Coro::Storable. May, of course, block. Note that the executed sub may
2445	never block itself or use any form of Event handling.
2446
2447	=cut
2448
2449	sub fork_call(&@) {
2450	my ($cb, @args) = @_;
2451
2452	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2453	# or die "socketpair: $!";
2454	pipe my $fh1, my $fh2
2455	or die "pipe: $!";
2456
2457	if (my $pid = fork) {
2458	close $fh2;
2459
2460	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2461	$res = Coro::Storable::thaw $res;
2462
2463	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2464
2465	die $$res unless "ARRAY" eq ref $res;
2466
2467	return wantarray ? @$res : $res->[-1];
2468	} else {
2469	reset_signals;
2470	local $SIG{__WARN__};
2471	local $SIG{__DIE__};
2472	eval {
2473	close $fh1;
2474
2475	my @res = eval { $cb->(@args) };
2476	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2477	};
2478
2479	warn $@ if $@;
2480	_exit 0;
2481	}
2482	}
2483
2484	#############################################################################
2485	# the server's init and main functions	2984	# the server's init and main functions
2486		2985
2487	sub load_facedata($) {	2986	sub load_facedata($) {
2488	my ($path) = @_;	2987	my ($path) = @_;
		2988
		2989	# HACK to clear player env face cache, we need some signal framework
		2990	# for this (global event?)
		2991	%ext::player_env::MUSIC_FACE_CACHE = ();
		2992
		2993	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2489		2994
2490	warn "loading facedata from $path\n";	2995	warn "loading facedata from $path\n";
2491		2996
2492	my $facedata;	2997	my $facedata;
2493	0 < aio_load $path, $facedata	2998	0 < aio_load $path, $facedata
…		…
2496	$facedata = Coro::Storable::thaw $facedata;	3001	$facedata = Coro::Storable::thaw $facedata;
2497		3002
2498	$facedata->{version} == 2	3003	$facedata->{version} == 2
2499	or cf::cleanup "$path: version mismatch, cannot proceed.";	3004	or cf::cleanup "$path: version mismatch, cannot proceed.";
2500		3005
		3006	# patch in the exptable
		3007	$facedata->{resource}{"res/exp_table"} = {
		3008	type => FT_RSRC,
		3009	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3010	};
		3011	cf::cede_to_tick;
		3012
2501	{	3013	{
2502	my $faces = $facedata->{faceinfo};	3014	my $faces = $facedata->{faceinfo};
2503		3015
2504	while (my ($face, $info) = each %$faces) {	3016	while (my ($face, $info) = each %$faces) {
2505	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3017	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2506	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3018	cf::face::set_visibility $idx, $info->{visibility};
		3019	cf::face::set_magicmap $idx, $info->{magicmap};
2507	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3020	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2508	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3021	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2509	Coro::cede;	3022
		3023	cf::cede_to_tick;
2510	}	3024	}
2511		3025
2512	while (my ($face, $info) = each %$faces) {	3026	while (my ($face, $info) = each %$faces) {
2513	next unless $info->{smooth};	3027	next unless $info->{smooth};
2514	my $idx = cf::face::find $face	3028	my $idx = cf::face::find $face
2515	or next;	3029	or next;
2516	if (my $smooth = cf::face::find $info->{smooth}) {	3030	if (my $smooth = cf::face::find $info->{smooth}) {
		3031	cf::face::set_smooth $idx, $smooth;
2517	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3032	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2518	} else {	3033	} else {
2519	warn "smooth face '$info->{smooth}' not found for face '$face'";	3034	warn "smooth face '$info->{smooth}' not found for face '$face'";
2520	}	3035	}
2521	Coro::cede;	3036
		3037	cf::cede_to_tick;
2522	}	3038	}
2523	}	3039	}
2524		3040
2525	{	3041	{
2526	my $anims = $facedata->{animinfo};	3042	my $anims = $facedata->{animinfo};
2527		3043
2528	while (my ($anim, $info) = each %$anims) {	3044	while (my ($anim, $info) = each %$anims) {
2529	cf::anim::set $anim, $info->{frames}, $info->{facings};	3045	cf::anim::set $anim, $info->{frames}, $info->{facings};
2530	Coro::cede;	3046	cf::cede_to_tick;
2531	}	3047	}
2532		3048
2533	cf::anim::invalidate_all; # d'oh	3049	cf::anim::invalidate_all; # d'oh
2534	}	3050	}
2535		3051
		3052	{
		3053	# TODO: for gcfclient pleasure, we should give resources
		3054	# that gcfclient doesn't grok a >10000 face index.
		3055	my $res = $facedata->{resource};
		3056
		3057	my $soundconf = delete $res->{"res/sound.conf"};
		3058
		3059	while (my ($name, $info) = each %$res) {
		3060	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3061	my $data;
		3062
		3063	if ($info->{type} & 1) {
		3064	# prepend meta info
		3065
		3066	my $meta = $enc->encode ({
		3067	name => $name,
		3068	%{ $info->{meta} || {} },
		3069	});
		3070
		3071	$data = pack "(w/a*)*", $meta, $info->{data};
		3072	} else {
		3073	$data = $info->{data};
		3074	}
		3075
		3076	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3077	cf::face::set_type $idx, $info->{type};
		3078
		3079	cf::cede_to_tick;
		3080	}
		3081
		3082	if ($soundconf) {
		3083	$soundconf = $enc->decode (delete $soundconf->{data});
		3084
		3085	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3086	my $sound = $soundconf->{compat}[$_]
		3087	or next;
		3088
		3089	my $face = cf::face::find "sound/$sound->[1]";
		3090	cf::sound::set $sound->[0] => $face;
		3091	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3092	}
		3093
		3094	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3095	my $face = cf::face::find "sound/$v";
		3096	cf::sound::set $k => $face;
		3097	}
		3098	}
		3099	}
		3100
2536	1	3101	1
2537	}	3102	}
2538		3103
		3104	register_exticmd fx_want => sub {
		3105	my ($ns, $want) = @_;
		3106
		3107	while (my ($k, $v) = each %$want) {
		3108	$ns->fx_want ($k, $v);
		3109	}
		3110	};
		3111
2539	sub reload_regions {	3112	sub reload_regions {
		3113	# HACK to clear player env face cache, we need some signal framework
		3114	# for this (global event?)
		3115	%ext::player_env::MUSIC_FACE_CACHE = ();
		3116
2540	load_resource_file "$MAPDIR/regions"	3117	load_resource_file "$MAPDIR/regions"
2541	or die "unable to load regions file\n";	3118	or die "unable to load regions file\n";
		3119
		3120	for (cf::region::list) {
		3121	$_->{match} = qr/$_->{match}/
		3122	if exists $_->{match};
		3123	}
2542	}	3124	}
2543		3125
2544	sub reload_facedata {	3126	sub reload_facedata {
2545	load_facedata "$DATADIR/facedata"	3127	load_facedata "$DATADIR/facedata"
2546	or die "unable to load facedata\n";	3128	or die "unable to load facedata\n";
2547	}	3129	}
2548		3130
2549	sub reload_archetypes {	3131	sub reload_archetypes {
2550	load_resource_file "$DATADIR/archetypes"	3132	load_resource_file "$DATADIR/archetypes"
2551	or die "unable to load archetypes\n";	3133	or die "unable to load archetypes\n";
		3134	#d# NEED to laod twice to resolve forward references
		3135	# this really needs to be done in an extra post-pass
		3136	# (which needs to be synchronous, so solve it differently)
		3137	load_resource_file "$DATADIR/archetypes"
		3138	or die "unable to load archetypes\n";
2552	}	3139	}
2553		3140
2554	sub reload_treasures {	3141	sub reload_treasures {
2555	load_resource_file "$DATADIR/treasures"	3142	load_resource_file "$DATADIR/treasures"
2556	or die "unable to load treasurelists\n";	3143	or die "unable to load treasurelists\n";
…		…
2559	sub reload_resources {	3146	sub reload_resources {
2560	warn "reloading resource files...\n";	3147	warn "reloading resource files...\n";
2561		3148
2562	reload_regions;	3149	reload_regions;
2563	reload_facedata;	3150	reload_facedata;
		3151	#reload_archetypes;#d#
2564	reload_archetypes;	3152	reload_archetypes;
2565	reload_treasures;	3153	reload_treasures;
2566		3154
2567	warn "finished reloading resource files\n";	3155	warn "finished reloading resource files\n";
2568	}	3156	}
2569		3157
2570	sub init {	3158	sub init {
2571	reload_resources;	3159	reload_resources;
2572	}	3160	}
2573		3161
2574	sub cfg_load {	3162	sub reload_config {
2575	open my $fh, "<:utf8", "$CONFDIR/config"	3163	open my $fh, "<:utf8", "$CONFDIR/config"
2576	or return;	3164	or return;
2577		3165
2578	local $/;	3166	local $/;
2579	*CFG = YAML::Syck::Load <$fh>;	3167	*CFG = YAML::Syck::Load <$fh>;
…		…
2599	(async {	3187	(async {
2600	Event::one_event;	3188	Event::one_event;
2601	})->prio (Coro::PRIO_MAX);	3189	})->prio (Coro::PRIO_MAX);
2602	};	3190	};
2603		3191
2604	cfg_load;	3192	reload_config;
2605	db_init;	3193	db_init;
2606	load_extensions;	3194	load_extensions;
2607		3195
2608	$TICK_WATCHER->start;	3196	$TICK_WATCHER->start;
2609	Event::loop;	3197	Event::loop;
…		…
2625	},	3213	},
2626	);	3214	);
2627	}	3215	}
2628	}	3216	}
2629		3217
		3218	sub write_runtime {
		3219	my $runtime = "$LOCALDIR/runtime";
		3220
		3221	# first touch the runtime file to show we are still running:
		3222	# the fsync below can take a very very long time.
		3223
		3224	IO::AIO::aio_utime $runtime, undef, undef;
		3225
		3226	my $guard = cf::lock_acquire "write_runtime";
		3227
		3228	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3229	or return;
		3230
		3231	my $value = $cf::RUNTIME + 90 + 10;
		3232	# 10 is the runtime save interval, for a monotonic clock
		3233	# 60 allows for the watchdog to kill the server.
		3234
		3235	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3236	and return;
		3237
		3238	# always fsync - this file is important
		3239	aio_fsync $fh
		3240	and return;
		3241
		3242	# touch it again to show we are up-to-date
		3243	aio_utime $fh, undef, undef;
		3244
		3245	close $fh
		3246	or return;
		3247
		3248	aio_rename "$runtime~", $runtime
		3249	and return;
		3250
		3251	warn "runtime file written.\n";
		3252
		3253	1
		3254	}
		3255
2630	sub emergency_save() {	3256	sub emergency_save() {
2631	my $freeze_guard = cf::freeze_mainloop;	3257	my $freeze_guard = cf::freeze_mainloop;
2632		3258
2633	warn "enter emergency perl save\n";	3259	warn "enter emergency perl save\n";
2634		3260
…		…
2709	%EXT_CORO = ();	3335	%EXT_CORO = ();
2710		3336
2711	warn "removing commands";	3337	warn "removing commands";
2712	%COMMAND = ();	3338	%COMMAND = ();
2713		3339
2714	warn "removing ext commands";	3340	warn "removing ext/exti commands";
2715	%EXTCMD = ();	3341	%EXTCMD = ();
		3342	%EXTICMD = ();
2716		3343
2717	warn "unloading/nuking all extensions";	3344	warn "unloading/nuking all extensions";
2718	for my $pkg (@EXTS) {	3345	for my $pkg (@EXTS) {
2719	warn "... unloading $pkg";	3346	warn "... unloading $pkg";
2720		3347
…		…
2763	warn "reloading cf.pm";	3390	warn "reloading cf.pm";
2764	require cf;	3391	require cf;
2765	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3392	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2766		3393
2767	warn "loading config and database again";	3394	warn "loading config and database again";
2768	cf::cfg_load;	3395	cf::reload_config;
2769		3396
2770	warn "loading extensions";	3397	warn "loading extensions";
2771	cf::load_extensions;	3398	cf::load_extensions;
2772		3399
2773	warn "reattaching attachments to objects/players";	3400	warn "reattaching attachments to objects/players";
…		…
2838	my $signal = new Coro::Signal;	3465	my $signal = new Coro::Signal;
2839	push @WAIT_FOR_TICK_BEGIN, $signal;	3466	push @WAIT_FOR_TICK_BEGIN, $signal;
2840	$signal->wait;	3467	$signal->wait;
2841	}	3468	}
2842		3469
2843	my $min = 1e6;#d#
2844	my $avg = 10;
2845	$TICK_WATCHER = Event->timer (	3470	$TICK_WATCHER = Event->timer (
2846	reentrant => 0,	3471	reentrant => 0,
2847	parked => 1,	3472	parked => 1,
2848	prio => 0,	3473	prio => 0,
2849	at => $NEXT_TICK || $TICK,	3474	at => $NEXT_TICK || $TICK,
…		…
2857		3482
2858	$NOW = $tick_start = Event::time;	3483	$NOW = $tick_start = Event::time;
2859		3484
2860	cf::server_tick; # one server iteration	3485	cf::server_tick; # one server iteration
2861		3486
2862	0 && sync_job {#d#
2863	for(1..10) {
2864	my $t = Event::time;
2865	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2866	or die;
2867
2868	$map->width (50);
2869	$map->height (50);
2870	$map->alloc;
2871	$map->_load_objects ("/tmp/x.map", 1);
2872	my $t = Event::time - $t;
2873
2874	#next unless $t < 0.0013;#d#
2875	if ($t < $min) {
2876	$min = $t;
2877	}
2878	$avg = $avg * 0.99 + $t * 0.01;
2879	}
2880	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2881	exit 0;
2882	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2883	};
2884
2885	$RUNTIME += $TICK;	3487	$RUNTIME += $TICK;
2886	$NEXT_TICK += $TICK;	3488	$NEXT_TICK += $TICK;
2887		3489
2888	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3490	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2889	$NEXT_RUNTIME_WRITE = $NOW + 10;	3491	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2891	write_runtime	3493	write_runtime
2892	or warn "ERROR: unable to write runtime file: $!";	3494	or warn "ERROR: unable to write runtime file: $!";
2893	};	3495	};
2894	}	3496	}
2895		3497
2896	# my $AFTER = Event::time;
2897	# warn $AFTER - $NOW;#d#
2898
2899	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3498	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2900	$sig->send;	3499	$sig->send;
2901	}	3500	}
2902	while (my $sig = shift @WAIT_FOR_TICK) {	3501	while (my $sig = shift @WAIT_FOR_TICK) {
2903	$sig->send;	3502	$sig->send;
…		…
2913		3512
2914	$LOAD = ($NOW - $tick_start) / $TICK;	3513	$LOAD = ($NOW - $tick_start) / $TICK;
2915	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3514	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2916		3515
2917	_post_tick;	3516	_post_tick;
2918
2919
2920	},	3517	},
2921	);	3518	);
2922		3519
2923	{	3520	{
		3521	BDB::min_parallel 8;
2924	BDB::max_poll_time $TICK * 0.1;	3522	BDB::max_poll_time $TICK * 0.1;
2925	$BDB_POLL_WATCHER = Event->io (	3523	$BDB_POLL_WATCHER = Event->io (
2926	reentrant => 0,	3524	reentrant => 0,
2927	fd => BDB::poll_fileno,	3525	fd => BDB::poll_fileno,
2928	poll => 'r',	3526	poll => 'r',
2929	prio => 0,	3527	prio => 0,
2930	data => WF_AUTOCANCEL,	3528	data => WF_AUTOCANCEL,
2931	cb => \&BDB::poll_cb,	3529	cb => \&BDB::poll_cb,
2932	);	3530	);
2933	BDB::min_parallel 8;
2934		3531
2935	BDB::set_sync_prepare {	3532	BDB::set_sync_prepare {
2936	my $status;	3533	my $status;
2937	my $current = $Coro::current;	3534	my $current = $Coro::current;
2938	(	3535	(
…		…
2947	)	3544	)
2948	};	3545	};
2949		3546
2950	unless ($DB_ENV) {	3547	unless ($DB_ENV) {
2951	$DB_ENV = BDB::db_env_create;	3548	$DB_ENV = BDB::db_env_create;
		3549	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3550	| BDB::LOG_AUTOREMOVE, 1);
		3551	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3552	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2952		3553
2953	cf::sync_job {	3554	cf::sync_job {
2954	eval {	3555	eval {
2955	BDB::db_env_open	3556	BDB::db_env_open
2956	$DB_ENV,	3557	$DB_ENV,
…		…
2958	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3559	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2959	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3560	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2960	0666;	3561	0666;
2961		3562
2962	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3563	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2963
2964	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2965	$DB_ENV->set_lk_detect;
2966	};	3564	};
2967		3565
2968	cf::cleanup "db_env_open(db): $@" if $@;	3566	cf::cleanup "db_env_open(db): $@" if $@;
2969	};	3567	};
2970	}	3568	}
		3569
		3570	$BDB_DEADLOCK_WATCHER = Event->timer (
		3571	after => 3,
		3572	interval => 1,
		3573	hard => 1,
		3574	prio => 0,
		3575	data => WF_AUTOCANCEL,
		3576	cb => sub {
		3577	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3578	},
		3579	);
		3580	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3581	after => 11,
		3582	interval => 60,
		3583	hard => 1,
		3584	prio => 0,
		3585	data => WF_AUTOCANCEL,
		3586	cb => sub {
		3587	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3588	},
		3589	);
		3590	$BDB_TRICKLE_WATCHER = Event->timer (
		3591	after => 5,
		3592	interval => 10,
		3593	hard => 1,
		3594	prio => 0,
		3595	data => WF_AUTOCANCEL,
		3596	cb => sub {
		3597	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3598	},
		3599	);
2971	}	3600	}
2972		3601
2973	{	3602	{
2974	IO::AIO::min_parallel 8;	3603	IO::AIO::min_parallel 8;
2975		3604

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