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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.267 by root, Sat May 19 00:08:11 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
…		…
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
…		…
716	";	915	";
717	die if $@;	916	die if $@;
718	}	917	}
719		918
720	our $override;	919	our $override;
721	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?
722		921
723	sub override {	922	sub override {
724	$override = 1;	923	$override = 1;
725	@invoke_results = ();	924	@INVOKE_RESULTS = (@_);
726	}	925	}
727		926
728	sub do_invoke {	927	sub do_invoke {
729	my $event = shift;	928	my $event = shift;
730	my $callbacks = shift;	929	my $callbacks = shift;
731		930
732	@invoke_results = ();	931	@INVOKE_RESULTS = ();
733		932
734	local $override;	933	local $override;
735		934
736	for (@$callbacks) {	935	for (@$callbacks) {
737	eval { &{$_->[1]} };	936	eval { &{$_->[1]} };
…		…
754		953
755	Generate an object-specific event with the given arguments.	954	Generate an object-specific event with the given arguments.
756		955
757	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
758	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
759	results (if you must, access C<@cf::invoke_results> directly).	958	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		959
761	=back	960	=back
762		961
763	=cut	962	=cut
764		963
765	#############################################################################	964	#############################################################################
766	# 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	}
767		977
768	sub reattach {	978	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	979	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	980	my ($obj) = @_;
771		981
…		…
816	);	1026	);
817		1027
818	sub object_freezer_save {	1028	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1029	my ($filename, $rdata, $objs) = @_;
820		1030
		1031	my $guard = cf::lock_acquire "io";
		1032
821	sync_job {	1033	sync_job {
822	if (length $$rdata) {	1034	if (length $$rdata) {
		1035	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1036	warn sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1037	$decname, length $$rdata, scalar @$objs;
825		1038
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1039	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1040	chmod SAVE_MODE, $fh;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1041	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	aio_fsync $fh if $cf::USE_FSYNC;	1042	aio_fsync $fh if $cf::USE_FSYNC;
…		…
848	}	1061	}
849	} else {	1062	} else {
850	aio_unlink $filename;	1063	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1064	aio_unlink "$filename.pst";
852	}	1065	}
853	}	1066	};
		1067
		1068	undef $guard;
854	}	1069	}
855		1070
856	sub object_freezer_as_string {	1071	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1072	my ($rdata, $objs) = @_;
858		1073
…		…
863		1078
864	sub object_thawer_load {	1079	sub object_thawer_load {
865	my ($filename) = @_;	1080	my ($filename) = @_;
866		1081
867	my ($data, $av);	1082	my ($data, $av);
		1083
		1084	my $guard = cf::lock_acquire "io";
868		1085
869	(aio_load $filename, $data) >= 0	1086	(aio_load $filename, $data) >= 0
870	or return;	1087	or return;
871		1088
872	unless (aio_stat "$filename.pst") {	1089	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1090	(aio_load "$filename.pst", $av) >= 0
874	or return;	1091	or return;
		1092
		1093	undef $guard;
875	$av = eval { (Storable::thaw $av)->{objs} };	1094	$av = eval { (Storable::thaw $av)->{objs} };
876	}	1095	}
877		1096
		1097	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1098	warn sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1099	$decname, length $data, scalar @{$av || []};
		1100
880	return ($data, $av);	1101	($data, $av)
881	}	1102	}
		1103
		1104	=head2 COMMAND CALLBACKS
		1105
		1106	=over 4
		1107
		1108	=cut
882		1109
883	#############################################################################	1110	#############################################################################
884	# command handling &c	1111	# command handling &c
885		1112
886	=item cf::register_command $name => \&callback($ob,$args);	1113	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1126	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1127	}
901		1128
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1129	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1130
904	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.
905		1136
906	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
907	called.	1138	called.
908		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
909	=cut	1151	=cut
910		1152
911	sub register_extcmd {	1153	sub register_extcmd {
912	my ($name, $cb) = @_;	1154	my ($name, $cb) = @_;
913		1155
914	$EXTCMD{$name} = $cb;	1156	$EXTCMD{$name} = $cb;
		1157	}
		1158
		1159	sub register_exticmd {
		1160	my ($name, $cb) = @_;
		1161
		1162	$EXTICMD{$name} = $cb;
915	}	1163	}
916		1164
917	cf::player->attach (	1165	cf::player->attach (
918	on_command => sub {	1166	on_command => sub {
919	my ($pl, $name, $params) = @_;	1167	my ($pl, $name, $params) = @_;
…		…
928	cf::override;	1176	cf::override;
929	},	1177	},
930	on_extcmd => sub {	1178	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1179	my ($pl, $buf) = @_;
932		1180
933	my $msg = eval { from_json $buf };	1181	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1182
935	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
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1192	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1193	}
		1194
		1195	$pl->ext_reply ($reply, @reply)
		1196	if $reply;
		1197
941	} else {	1198	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1199	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1200	}
944		1201
945	cf::override;	1202	cf::override;
946	},	1203	},
947	);	1204	);
948		1205
949	sub load_extension {
950	my ($path) = @_;
951
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
953	my $base = $1;
954	my $pkg = $1;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}
977	die $@;
978	}
979
980	push @EXTS, $pkg;
981	}
982
983	sub load_extensions {	1206	sub load_extensions {
		1207	cf::sync_job {
		1208	my %todo;
		1209
984	for my $ext (<$LIBDIR/*.ext>) {	1210	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1211	next unless -r $path;
986	eval {	1212
987	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;
988	1	1270	}
989	} or warn "$ext not loaded: $@";	1271
		1272	skip:
		1273	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1274	unless $progress;
		1275	}
990	}	1276	};
991	}	1277	}
992		1278
993	#############################################################################	1279	#############################################################################
994		1280
		1281	=back
		1282
995	=head2 CORE EXTENSIONS	1283	=head2 CORE EXTENSIONS
996		1284
997	Functions and methods that extend core crossfire objects.	1285	Functions and methods that extend core crossfire objects.
998		1286
999	=cut	1287	=cut
…		…
1003	use Coro::AIO;	1291	use Coro::AIO;
1004		1292
1005	=head3 cf::player	1293	=head3 cf::player
1006		1294
1007	=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	}
1008		1310
1009	=item cf::player::find $login	1311	=item cf::player::find $login
1010		1312
1011	Returns the given player object, loading it if necessary (might block).	1313	Returns the given player object, loading it if necessary (might block).
1012		1314
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1350	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1351	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1352	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1353	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1354
1053	my $pl = load_pl path $login	1355	my $f = new_from_file cf::object::thawer path $login
1054	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;
1055	$cf::PLAYER{$login} = $pl	1362	$cf::PLAYER{$login} = $pl
1056	}	1363	}
1057	}	1364	}
1058	}	1365	}
1059		1366
…		…
1069		1376
1070	aio_mkdir playerdir $pl, 0770;	1377	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1378	$pl->{last_save} = $cf::RUNTIME;
1072		1379
1073	$pl->save_pl ($path);	1380	$pl->save_pl ($path);
1074	Coro::cede;	1381	cf::cede_to_tick;
1075	}	1382	}
1076		1383
1077	sub new($) {	1384	sub new($) {
1078	my ($login) = @_;	1385	my ($login) = @_;
1079		1386
…		…
1083	$self->{deny_save} = 1;	1390	$self->{deny_save} = 1;
1084		1391
1085	$cf::PLAYER{$login} = $self;	1392	$cf::PLAYER{$login} = $self;
1086		1393
1087	$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 (@_);
1088	}	1405	}
1089		1406
1090	=item $pl->quit_character	1407	=item $pl->quit_character
1091		1408
1092	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
…		…
1147	or return [];	1464	or return [];
1148		1465
1149	my @logins;	1466	my @logins;
1150		1467
1151	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") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1474	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
1155		1477
1156	utf8::decode $login;	1478	utf8::decode $login;
1157	push @logins, $login;	1479	push @logins, $login;
1158	}	1480	}
1159		1481
…		…
1186	}	1508	}
1187		1509
1188	\@paths	1510	\@paths
1189	}	1511	}
1190		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
1191	=item $player->ext_reply ($msgid, %msg)	1564	=item $player->ext_reply ($msgid, @msg)
1192		1565
1193	Sends an ext reply to the player.	1566	Sends an ext reply to the player.
1194		1567
1195	=cut	1568	=cut
1196		1569
1197	sub ext_reply($$%) {	1570	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1199		1572
1200	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1574	}
1204		1575
1205	=item $player->ext_event ($type, %msg)	1576	=item $player->ext_msg ($type, @msg)
1206		1577
1207	Sends an ext event to the client.	1578	Sends an ext event to the client.
1208		1579
1209	=cut	1580	=cut
1210		1581
1211	sub ext_event($$%) {	1582	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1583	my ($self, $type, @msg) = @_;
1213		1584
1214	$self->ns->ext_event ($type, %msg);	1585	$self->ns->ext_msg ($type, @msg);
1215	}	1586	}
1216		1587
1217	=head3 cf::region	1588	=head3 cf::region
1218		1589
1219	=over 4	1590	=over 4
…		…
1222		1593
1223	package cf::region;	1594	package cf::region;
1224		1595
1225	=item cf::region::find_by_path $path	1596	=item cf::region::find_by_path $path
1226		1597
1227	Tries to decuce the probable region for a map knowing only its path.	1598	Tries to decuce the likely region for a map knowing only its path.
1228		1599
1229	=cut	1600	=cut
1230		1601
1231	sub find_by_path($) {	1602	sub find_by_path($) {
1232	my ($path) = @_;	1603	my ($path) = @_;
1233		1604
1234	my ($match, $specificity);	1605	my ($match, $specificity);
1235		1606
1236	for my $region (list) {	1607	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1608	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1609	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1610	if $region->specificity > $specificity;
1240	}	1611	}
1241	}	1612	}
1242		1613
…		…
1306	my ($self, $merge) = @_;	1677	my ($self, $merge) = @_;
1307		1678
1308	# we have to keep some variables in memory intact	1679	# we have to keep some variables in memory intact
1309	local $self->{path};	1680	local $self->{path};
1310	local $self->{load_path};	1681	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1682
1314	$self->SUPER::thawer_merge ($merge);	1683	$self->SUPER::thawer_merge ($merge);
1315	}	1684	}
1316		1685
1317	sub normalise {	1686	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1733	$self->init; # pass $1 etc.
1365	return $self;	1734	return $self;
1366	}	1735	}
1367	}	1736	}
1368		1737
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1739	()
1371	}	1740	}
1372		1741
1373	sub init {	1742	sub init {
1374	my ($self) = @_;	1743	my ($self) = @_;
…		…
1417		1786
1418	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1419	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1420	}	1789	}
1421		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
1422	sub unlink_save {	1799	sub unlink_save {
1423	my ($self) = @_;	1800	my ($self) = @_;
1424		1801
1425	utf8::encode (my $save = $self->save_path);	1802	utf8::encode (my $save = $self->save_path);
1426	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1429		1806
1430	sub load_header_from($) {	1807	sub load_header_from($) {
1431	my ($self, $path) = @_;	1808	my ($self, $path) = @_;
1432		1809
1433	utf8::encode $path;	1810	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	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;
1439		1819
1440	$self->{load_path} = $path;	1820	$self->{load_path} = $path;
1441		1821
1442	1	1822	1
1443	}	1823	}
…		…
1482	$self->load_header_orig	1862	$self->load_header_orig
1483	or return;	1863	or return;
1484	$self->prepare_orig;	1864	$self->prepare_orig;
1485	}	1865	}
1486		1866
		1867	$self->{deny_reset} = 1
		1868	if $self->no_reset;
		1869
1487	$self->default_region (cf::region::find_by_path $self->{path})	1870	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	1871	unless $self->default_region;
1489		1872
1490	1	1873	1
1491	}	1874	}
…		…
1494	sub find {	1877	sub find {
1495	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1496		1879
1497	$path = normalise $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1498		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	1883	cf::lock_wait "map_find:$path";
1500		1884
1501	$cf::MAP{$path} || do {	1885	$cf::MAP{$path} || do {
1502	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
1503	my $map = new_from_path cf::map $path	1889	my $map = new_from_path cf::map $path
1504	or return;	1890	or return;
1505		1891
1506	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1507		1893
1508	$map->load_header	1894	$map->load_header
1509	or return;	1895	or return;
1510		1896
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	1898	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1514	$map->reset;	1902	$map->reset;
1515	undef $guard;
1516	return find $path;	1903	return find $path;
1517	}	1904	}
1518		1905
1519	$cf::MAP{$path} = $map	1906	$cf::MAP{$path} = $map
1520	}	1907	}
…		…
1529	local $self->{deny_reset} = 1; # loading can take a long time	1916	local $self->{deny_reset} = 1; # loading can take a long time
1530		1917
1531	my $path = $self->{path};	1918	my $path = $self->{path};
1532		1919
1533	{	1920	{
1534	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1535		1922
		1923	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		1925
1538	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1539		1927
1540	$self->alloc;	1928	$self->alloc;
1541		1929
1542	$self->pre_load;	1930	$self->pre_load;
1543	Coro::cede;	1931	cf::cede_to_tick;
1544		1932
		1933	my $f = new_from_file cf::object::thawer $self->{load_path};
		1934	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	1935	$self->_load_objects ($f)
1546	or return;	1936	or return;
1547		1937
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1549	if delete $self->{load_original};	1939	if delete $self->{load_original};
1550		1940
1551	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	1942	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	1945	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1556	}	1949	}
1557	}	1950	}
1558		1951
1559	Coro::cede;	1952	$f->resolve_delayed_derefs;
		1953
		1954	cf::cede_to_tick;
1560	# now do the right thing for maps	1955	# now do the right thing for maps
1561	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	1958	unless $self->difficulty;
1564	Coro::cede;	1959	cf::cede_to_tick;
1565		1960
1566	unless ($self->{deny_activate}) {	1961	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	1962	$self->decay_objects;
1568	$self->fix_auto_apply;	1963	$self->fix_auto_apply;
1569	$self->update_buttons;	1964	$self->update_buttons;
1570	Coro::cede;	1965	cf::cede_to_tick;
1571	$self->set_darkness_map;	1966	$self->set_darkness_map;
1572	Coro::cede;	1967	cf::cede_to_tick;
1573	$self->activate;	1968	$self->activate;
1574	}	1969	}
		1970
		1971	$self->{last_save} = $cf::RUNTIME;
		1972	$self->last_access ($cf::RUNTIME);
1575		1973
1576	$self->in_memory (cf::MAP_IN_MEMORY);	1974	$self->in_memory (cf::MAP_IN_MEMORY);
1577	}	1975	}
1578		1976
1579	$self->post_load;	1977	$self->post_load;
…		…
1583	my ($self, $ob) = @_;	1981	my ($self, $ob) = @_;
1584		1982
1585	return find "~" . $ob->name . "/" . $self->{path}	1983	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	1984	if $self->per_player;
1587		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
1588	$self	1989	$self
1589	}	1990	}
1590		1991
1591	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	1993	sub load_neighbours {
1593	my ($map) = @_;	1994	my ($map) = @_;
1594		1995
1595	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1596		1997
1597	for (0 .. 3) {	1998	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1599	or next;	2000	or next;
1600	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1601	or next;	2002	or next;
1602	$neigh->load;	2003	$neigh->load;
1603		2004
		2005	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2008	}
1607		2009
1608	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1610	or next;	2013	or next;
1611	$neigh->load;	2014	$neigh->load;
1612	}	2015	}
1613	}	2016	}
1614		2017
…		…
1619	}	2022	}
1620		2023
1621	sub do_load_sync {	2024	sub do_load_sync {
1622	my ($map) = @_;	2025	my ($map) = @_;
1623		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1624	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1625	}	2031	}
1626		2032
1627	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2034	our $MAP_PREFETCHER = undef;
1629		2035
1630	sub find_async {	2036	sub find_async {
1631	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1632		2038
1633	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1634		2040
1635	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1637	}	2043	}
1638		2044
1639	undef $MAP_PREFETCH{$path};	2045	$MAP_PREFETCH{$path} |= $load;
		2046
1640	$MAP_PREFETCHER ||= cf::async {	2047	$MAP_PREFETCHER ||= cf::async {
1641	while (%MAP_PREFETCH) {	2048	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2049	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2050	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2051	$map->load if $v;
		2052	}
1646		2053
1647	delete $MAP_PREFETCH{$path};	2054	delete $MAP_PREFETCH{$k};
1648	}	2055	}
1649	}	2056	}
1650	undef $MAP_PREFETCHER;	2057	undef $MAP_PREFETCHER;
1651	};	2058	};
1652	$MAP_PREFETCHER->prio (6);	2059	$MAP_PREFETCHER->prio (6);
…		…
1655	}	2062	}
1656		2063
1657	sub save {	2064	sub save {
1658	my ($self) = @_;	2065	my ($self) = @_;
1659		2066
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1661		2068
1662	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1663		2070
1664	return unless $self->dirty;	2071	return unless $self->dirty;
1665		2072
…		…
1688	my ($self) = @_;	2095	my ($self) = @_;
1689		2096
1690	# save first because save cedes	2097	# save first because save cedes
1691	$self->save;	2098	$self->save;
1692		2099
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2101
1695	return if $self->players;	2102	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;	2103	return if $self->in_memory != cf::MAP_IN_MEMORY;
1697	return if $self->{deny_save};	2104	return if $self->{deny_save};
1698		2105
		2106	$self->in_memory (cf::MAP_SWAPPED);
		2107
		2108	$self->deactivate;
		2109	$_->clear_links_to ($self) for values %cf::MAP;
1699	$self->clear;	2110	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2111	}
1702		2112
1703	sub reset_at {	2113	sub reset_at {
1704	my ($self) = @_;	2114	my ($self) = @_;
1705		2115
1706	# TODO: safety, remove and allow resettable per-player maps	2116	# TODO: safety, remove and allow resettable per-player maps
1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1708	return 1e99 if $self->{deny_reset};	2117	return 1e99 if $self->{deny_reset};
1709		2118
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2119	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2120	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2121
…		…
1723	my ($self) = @_;	2132	my ($self) = @_;
1724		2133
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2135
1727	return if $self->players;	2136	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2137
1730	warn "resetting map ", $self->path;#d#	2138	warn "resetting map ", $self->path;
1731		2139
1732	$self->in_memory (cf::MAP_SWAPPED);	2140	$self->in_memory (cf::MAP_SWAPPED);
1733		2141
1734	# need to save uniques path	2142	# need to save uniques path
1735	unless ($self->{deny_save}) {	2143	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2147	if $uniq;
1740	}	2148	}
1741		2149
1742	delete $cf::MAP{$self->path};	2150	delete $cf::MAP{$self->path};
1743		2151
		2152	$self->deactivate;
		2153	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2154	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2155
1748	$self->unlink_save;	2156	$self->unlink_save;
1749	$self->destroy;	2157	$self->destroy;
1750	}	2158	}
1751		2159
1752	my $nuke_counter = "aaaa";	2160	my $nuke_counter = "aaaa";
1753		2161
1754	sub nuke {	2162	sub nuke {
1755	my ($self) = @_;	2163	my ($self) = @_;
1756		2164
		2165	{
		2166	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2167
1757	delete $cf::MAP{$self->path};	2168	delete $cf::MAP{$self->path};
1758		2169
1759	$self->unlink_save;	2170	$self->unlink_save;
1760		2171
1761	bless $self, "cf::map";	2172	bless $self, "cf::map";
1762	delete $self->{deny_reset};	2173	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2174	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2175	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2176	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2177
1767	$cf::MAP{$self->path} = $self;	2178	$cf::MAP{$self->path} = $self;
		2179	}
1768		2180
1769	$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	]
1770	}	2218	}
1771		2219
1772	=item cf::map::unique_maps	2220	=item cf::map::unique_maps
1773		2221
1774	Returns an arrayref of paths of all shared maps that have	2222	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2223	instantiated unique items. May block.
1776		2224
1777	=cut	2225	=cut
1778		2226
1779	sub unique_maps() {	2227	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2228	[
1781	or return;	2229	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2230	utf8::decode $_;
1787	next if /\.pst$/;	2231	/\.map$/
1788	next unless /^$PATH_SEP/o;	2232	? normalise $_
1789		2233	: ()
1790	push @paths, cf::map::normalise $_;	2234	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2235	]
1792
1793	\@paths
1794	}	2236	}
1795		2237
1796	package cf;	2238	package cf;
1797		2239
1798	=back	2240	=back
…		…
1816	map { $_, inv_recursive_ $_->inv } @_	2258	map { $_, inv_recursive_ $_->inv } @_
1817	}	2259	}
1818		2260
1819	sub inv_recursive {	2261	sub inv_recursive {
1820	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	}
1821	}	2294	}
1822		2295
1823	package cf;	2296	package cf;
1824		2297
1825	=back	2298	=back
…		…
1844		2317
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2319
1847	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1849	} 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 {
1850	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1852	}	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 (@_);
1853	}	2345	}
1854		2346
1855	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1856		2348
1857	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1904	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1905		2397
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2399
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1910		2402
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1912	}	2404	}
1913		2405
1914	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1916		2410
1917	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1918		2412
1919	unless ($map) {	2413	unless ($map) {
1920	# restore original map position	2414	# restore original map position
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1937		2431
1938	$map->load;	2432	$map->load;
1939	$map->load_diag;	2433	$map->load_neighbours;
1940		2434
1941	return unless $self->contr->active;	2435	return unless $self->contr->active;
1942	$self->activate_recursive;	2436	$self->activate_recursive;
1943		2437
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1946	}	2440	}
1947		2441
1948	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949	on_logout => sub {
1950	my ($pl) = @_;
1951		2443
1952	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1953	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1954	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1955	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1956	};	2448	be called at the end of this process.
1957	}
1958	},
1959	on_login => sub {
1960	my ($pl) = @_;
1961		2449
1962	# try to abort aborted map switching on player login :)
1963	# should happen only on crashes
1964	if ($pl->ob->{_link_pos}) {
1965	$pl->ob->enter_link;
1966	(async {
1967	$pl->ob->reply (undef,
1968	"There was an internal problem at your last logout, "
1969	. "the server will try to bring you to your intended destination in a second.",
1970	cf::NDI_RED);
1971	# we need this sleep as the login has a concurrent enter_exit running
1972	# and this sleep increases chances of the player not ending up in scorn
1973	Coro::Timer::sleep 1;
1974	$pl->ob->leave_link;
1975	})->prio (2);
1976	}
1977	},
1978	);
1979
1980	=item $player_object->goto ($path, $x, $y)
1981
1982	=cut	2450	=cut
		2451
		2452	our $GOTOGEN;
1983		2453
1984	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1985	my ($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;
1986		2459
1987	$self->enter_link;	2460	$self->enter_link;
1988		2461
1989	(async {	2462	(async {
		2463	# *tag paths override both path and x|y
		2464	if ($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
1990	my $map = eval {	2482	my $map = eval {
1991	my $map = cf::map::find $path;	2483	my $map = defined $path ? cf::map::find $path : undef;
		2484
		2485	if ($map) {
1992	$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
1993	$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 $@;
1994	} or	2498	}
1995	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1996		2499
		2500	if ($gen == $self->{_goto_generation}) {
		2501	delete $self->{_goto_generation};
1997	$self->leave_link ($map, $x, $y);	2502	$self->leave_link ($map, $x, $y);
		2503	}
		2504
		2505	$done->() if $done;
1998	})->prio (1);	2506	})->prio (1);
1999	}	2507	}
2000		2508
2001	=item $player_object->enter_exit ($exit_object)	2509	=item $player_object->enter_exit ($exit_object)
2002		2510
…		…
2071	my $hp = $exit->stats->hp;	2579	my $hp = $exit->stats->hp;
2072	my $sp = $exit->stats->sp;	2580	my $sp = $exit->stats->sp;
2073		2581
2074	$self->enter_link;	2582	$self->enter_link;
2075		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
2076	(async {	2588	(async {
2077	$self->deactivate_recursive; # just to be sure	2589	$self->deactivate_recursive; # just to be sure
2078	unless (eval {	2590	unless (eval {
2079	$self->goto ($slaying, $hp, $sp);	2591	$self->goto ($slaying, $hp, $sp);
2080		2592
…		…
2107		2619
2108	utf8::encode $text;	2620	utf8::encode $text;
2109	$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);
2110	}	2622	}
2111		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
2112	=item $client->ext_event ($type, %msg)	2705	=item $client->ext_msg ($type, @msg)
2113		2706
2114	Sends an exti event to the client.	2707	Sends an ext event to the client.
2115		2708
2116	=cut	2709	=cut
2117		2710
2118	sub cf::client::ext_event($$%) {	2711	sub cf::client::ext_msg($$@) {
2119	my ($self, $type, %msg) = @_;	2712	my ($self, $type, @msg) = @_;
2120		2713
		2714	if ($self->extcmd == 2) {
		2715	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2716	} elsif ($self->extcmd == 1) { # TODO: remove
2121	$msg{msgtype} = "event_$type";	2717	push @msg, msgtype => "event_$type";
2122	$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	}
2123	}	2738	}
2124		2739
2125	=item $success = $client->query ($flags, "text", \&cb)	2740	=item $success = $client->query ($flags, "text", \&cb)
2126		2741
2127	Queues a query to the client, calling the given callback with	2742	Queues a query to the client, calling the given callback with
2128	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>,
2129	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>.
2130		2745
2131	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
2132	reliable at some point in the future.	2747	become reliable at some point in the future.
2133		2748
2134	=cut	2749	=cut
2135		2750
2136	sub cf::client::query {	2751	sub cf::client::query {
2137	my ($self, $flags, $text, $cb) = @_;	2752	my ($self, $flags, $text, $cb) = @_;
…		…
2145	utf8::encode $text;	2760	utf8::encode $text;
2146	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2761	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2147		2762
2148	$self->send_packet ($self->{query_queue}[0][0])	2763	$self->send_packet ($self->{query_queue}[0][0])
2149	if @{ $self->{query_queue} } == 1;	2764	if @{ $self->{query_queue} } == 1;
		2765
		2766	1
2150	}	2767	}
2151		2768
2152	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	},
2153	on_reply => sub {	2775	on_reply => sub {
2154	my ($ns, $msg) = @_;	2776	my ($ns, $msg) = @_;
2155		2777
2156	# this weird shuffling is so that direct followup queries	2778	# this weird shuffling is so that direct followup queries
2157	# get handled first	2779	# get handled first
…		…
2169	} else {	2791	} else {
2170	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2792	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2171	}	2793	}
2172	}	2794	}
2173	},	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	},
2174	);	2822	);
2175		2823
2176	=item $client->async (\&cb)	2824	=item $client->async (\&cb)
2177		2825
2178	Create a new coroutine, running the specified callback. The coroutine will	2826	Create a new coroutine, running the specified callback. The coroutine will
…		…
2219	our $safe = new Safe "safe";	2867	our $safe = new Safe "safe";
2220	our $safe_hole = new Safe::Hole;	2868	our $safe_hole = new Safe::Hole;
2221		2869
2222	$SIG{FPE} = 'IGNORE';	2870	$SIG{FPE} = 'IGNORE';
2223		2871
2224	$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	));
2225		2877
2226	# here we export the classes and methods available to script code	2878	# here we export the classes and methods available to script code
2227		2879
2228	=pod	2880	=pod
2229		2881
2230	The following functions and methods are available within a safe environment:	2882	The following functions and methods are available within a safe environment:
2231		2883
2232	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
2233	cf::object::player player	2888	cf::object::player
2234	cf::player peaceful	2889	player
2235	cf::map trigger	2890
		2891	cf::player
		2892	peaceful
		2893
		2894	cf::map
		2895	trigger
2236		2896
2237	=cut	2897	=cut
2238		2898
2239	for (	2899	for (
2240	["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)],
2241	["cf::object::player" => qw(player)],	2903	["cf::object::player" => qw(player)],
2242	["cf::player" => qw(peaceful)],	2904	["cf::player" => qw(peaceful)],
2243	["cf::map" => qw(trigger)],	2905	["cf::map" => qw(trigger)],
2244	) {	2906	) {
2245	no strict 'refs';	2907	no strict 'refs';
…		…
2316	=back	2978	=back
2317		2979
2318	=cut	2980	=cut
2319		2981
2320	#############################################################################	2982	#############################################################################
2321
2322	=head2 EXTENSION DATABASE SUPPORT
2323
2324	Crossfire maintains a very simple database for extension use. It can
2325	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2326	convert to/from binary).
2327
2328	The parameter C<$family> should best start with the name of the extension
2329	using it, it should be unique.
2330
2331	=over 4
2332
2333	=item $value = cf::db_get $family => $key
2334
2335	Returns a single value from the database.
2336
2337	=item cf::db_put $family => $key => $value
2338
2339	Stores the given C<$value> in the family.
2340
2341	=cut
2342
2343	our $DB;
2344
2345	sub db_init {
2346	unless ($DB) {
2347	$DB = BDB::db_create $DB_ENV;
2348
2349	cf::sync_job {
2350	eval {
2351	$DB->set_flags (BDB::CHKSUM);
2352
2353	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2354	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2355	cf::cleanup "db_open(db): $!" if $!;
2356	};
2357	cf::cleanup "db_open(db): $@" if $@;
2358	};
2359	}
2360	}
2361
2362	sub db_get($$) {
2363	my $key = "$_[0]/$_[1]";
2364
2365	cf::sync_job {
2366	BDB::db_get $DB, undef, $key, my $data;
2367
2368	$! ? ()
2369	: $data
2370	}
2371	}
2372
2373	sub db_put($$$) {
2374	BDB::dbreq_pri 4;
2375	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2376	}
2377
2378	=item cf::cache $id => [$paths...], $processversion => $process
2379
2380	Generic caching function that returns the value of the resource $id,
2381	caching and regenerating as required.
2382
2383	This function can block.
2384
2385	=cut
2386
2387	sub cache {
2388	my ($id, $src, $processversion, $process) = @_;
2389
2390	my $meta =
2391	join "\x00",
2392	$processversion,
2393	map {
2394	aio_stat $_
2395	and Carp::croak "$_: $!";
2396
2397	($_, (stat _)[7,9])
2398	} @$src;
2399
2400	my $dbmeta = db_get cache => "$id/meta";
2401	if ($dbmeta ne $meta) {
2402	# changed, we may need to process
2403
2404	my @data;
2405	my $md5;
2406
2407	for (0 .. $#$src) {
2408	0 <= aio_load $src->[$_], $data[$_]
2409	or Carp::croak "$src->[$_]: $!";
2410	}
2411
2412	# if processing is expensive, check
2413	# checksum first
2414	if (1) {
2415	$md5 =
2416	join "\x00",
2417	$processversion,
2418	map {
2419	Coro::cede;
2420	($src->[$_], Digest::MD5::md5_hex $data[$_])
2421	} 0.. $#$src;
2422
2423
2424	my $dbmd5 = db_get cache => "$id/md5";
2425	if ($dbmd5 eq $md5) {
2426	db_put cache => "$id/meta", $meta;
2427
2428	return db_get cache => "$id/data";
2429	}
2430	}
2431
2432	my $t1 = Time::HiRes::time;
2433	my $data = $process->(\@data);
2434	my $t2 = Time::HiRes::time;
2435
2436	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2437
2438	db_put cache => "$id/data", $data;
2439	db_put cache => "$id/md5" , $md5;
2440	db_put cache => "$id/meta", $meta;
2441
2442	return $data;
2443	}
2444
2445	db_get cache => "$id/data"
2446	}
2447
2448	=item fork_call { }, $args
2449
2450	Executes the given code block with the given arguments in a seperate
2451	process, returning the results. Everything must be serialisable with
2452	Coro::Storable. May, of course, block. Note that the executed sub may
2453	never block itself or use any form of Event handling.
2454
2455	=cut
2456
2457	sub fork_call(&@) {
2458	my ($cb, @args) = @_;
2459
2460	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2461	# or die "socketpair: $!";
2462	pipe my $fh1, my $fh2
2463	or die "pipe: $!";
2464
2465	if (my $pid = fork) {
2466	close $fh2;
2467
2468	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2469	$res = Coro::Storable::thaw $res;
2470
2471	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2472
2473	die $$res unless "ARRAY" eq ref $res;
2474
2475	return wantarray ? @$res : $res->[-1];
2476	} else {
2477	reset_signals;
2478	local $SIG{__WARN__};
2479	local $SIG{__DIE__};
2480	eval {
2481	close $fh1;
2482
2483	my @res = eval { $cb->(@args) };
2484	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2485	};
2486
2487	warn $@ if $@;
2488	_exit 0;
2489	}
2490	}
2491
2492
2493
2494	#############################################################################
2495	# the server's init and main functions	2983	# the server's init and main functions
2496		2984
2497	sub load_facedata($) {	2985	sub load_facedata($) {
2498	my ($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;
2499		2993
2500	warn "loading facedata from $path\n";	2994	warn "loading facedata from $path\n";
2501		2995
2502	my $facedata;	2996	my $facedata;
2503	0 < aio_load $path, $facedata	2997	0 < aio_load $path, $facedata
…		…
2506	$facedata = Coro::Storable::thaw $facedata;	3000	$facedata = Coro::Storable::thaw $facedata;
2507		3001
2508	$facedata->{version} == 2	3002	$facedata->{version} == 2
2509	or cf::cleanup "$path: version mismatch, cannot proceed.";	3003	or cf::cleanup "$path: version mismatch, cannot proceed.";
2510		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
2511	{	3012	{
2512	my $faces = $facedata->{faceinfo};	3013	my $faces = $facedata->{faceinfo};
2513		3014
2514	while (my ($face, $info) = each %$faces) {	3015	while (my ($face, $info) = each %$faces) {
2515	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3016	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2516	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3017	cf::face::set_visibility $idx, $info->{visibility};
		3018	cf::face::set_magicmap $idx, $info->{magicmap};
2517	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3019	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2518	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3020	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2519	Coro::cede;	3021
		3022	cf::cede_to_tick;
2520	}	3023	}
2521		3024
2522	while (my ($face, $info) = each %$faces) {	3025	while (my ($face, $info) = each %$faces) {
2523	next unless $info->{smooth};	3026	next unless $info->{smooth};
2524	my $idx = cf::face::find $face	3027	my $idx = cf::face::find $face
2525	or next;	3028	or next;
2526	if (my $smooth = cf::face::find $info->{smooth}) {	3029	if (my $smooth = cf::face::find $info->{smooth}) {
		3030	cf::face::set_smooth $idx, $smooth;
2527	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3031	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2528	} else {	3032	} else {
2529	warn "smooth face '$info->{smooth}' not found for face '$face'";	3033	warn "smooth face '$info->{smooth}' not found for face '$face'";
2530	}	3034	}
2531	Coro::cede;	3035
		3036	cf::cede_to_tick;
2532	}	3037	}
2533	}	3038	}
2534		3039
2535	{	3040	{
2536	my $anims = $facedata->{animinfo};	3041	my $anims = $facedata->{animinfo};
2537		3042
2538	while (my ($anim, $info) = each %$anims) {	3043	while (my ($anim, $info) = each %$anims) {
2539	cf::anim::set $anim, $info->{frames}, $info->{facings};	3044	cf::anim::set $anim, $info->{frames}, $info->{facings};
2540	Coro::cede;	3045	cf::cede_to_tick;
2541	}	3046	}
2542		3047
2543	cf::anim::invalidate_all; # d'oh	3048	cf::anim::invalidate_all; # d'oh
2544	}	3049	}
2545		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 => $face;
		3096	}
		3097	}
		3098	}
		3099
2546	1	3100	1
2547	}	3101	}
2548		3102
		3103	register_exticmd fx_want => sub {
		3104	my ($ns, $want) = @_;
		3105
		3106	while (my ($k, $v) = each %$want) {
		3107	$ns->fx_want ($k, $v);
		3108	}
		3109	};
		3110
2549	sub reload_regions {	3111	sub reload_regions {
		3112	# HACK to clear player env face cache, we need some signal framework
		3113	# for this (global event?)
		3114	%ext::player_env::MUSIC_FACE_CACHE = ();
		3115
2550	load_resource_file "$MAPDIR/regions"	3116	load_resource_file "$MAPDIR/regions"
2551	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 $_->{match};
		3122	}
2552	}	3123	}
2553		3124
2554	sub reload_facedata {	3125	sub reload_facedata {
2555	load_facedata "$DATADIR/facedata"	3126	load_facedata "$DATADIR/facedata"
2556	or die "unable to load facedata\n";	3127	or die "unable to load facedata\n";
2557	}	3128	}
2558		3129
2559	sub reload_archetypes {	3130	sub reload_archetypes {
2560	load_resource_file "$DATADIR/archetypes"	3131	load_resource_file "$DATADIR/archetypes"
2561	or die "unable to load archetypes\n";	3132	or die "unable to load archetypes\n";
		3133	#d# NEED to laod twice to resolve forward references
		3134	# this really needs to be done in an extra post-pass
		3135	# (which needs to be synchronous, so solve it differently)
		3136	load_resource_file "$DATADIR/archetypes"
		3137	or die "unable to load archetypes\n";
2562	}	3138	}
2563		3139
2564	sub reload_treasures {	3140	sub reload_treasures {
2565	load_resource_file "$DATADIR/treasures"	3141	load_resource_file "$DATADIR/treasures"
2566	or die "unable to load treasurelists\n";	3142	or die "unable to load treasurelists\n";
…		…
2569	sub reload_resources {	3145	sub reload_resources {
2570	warn "reloading resource files...\n";	3146	warn "reloading resource files...\n";
2571		3147
2572	reload_regions;	3148	reload_regions;
2573	reload_facedata;	3149	reload_facedata;
		3150	#reload_archetypes;#d#
2574	reload_archetypes;	3151	reload_archetypes;
2575	reload_treasures;	3152	reload_treasures;
2576		3153
2577	warn "finished reloading resource files\n";	3154	warn "finished reloading resource files\n";
2578	}	3155	}
2579		3156
2580	sub init {	3157	sub init {
2581	reload_resources;	3158	reload_resources;
2582	}	3159	}
2583		3160
2584	sub cfg_load {	3161	sub reload_config {
2585	open my $fh, "<:utf8", "$CONFDIR/config"	3162	open my $fh, "<:utf8", "$CONFDIR/config"
2586	or return;	3163	or return;
2587		3164
2588	local $/;	3165	local $/;
2589	*CFG = YAML::Syck::Load <$fh>;	3166	*CFG = YAML::Syck::Load <$fh>;
…		…
2609	(async {	3186	(async {
2610	Event::one_event;	3187	Event::one_event;
2611	})->prio (Coro::PRIO_MAX);	3188	})->prio (Coro::PRIO_MAX);
2612	};	3189	};
2613		3190
2614	cfg_load;	3191	reload_config;
2615	db_init;	3192	db_init;
2616	load_extensions;	3193	load_extensions;
2617		3194
2618	$TICK_WATCHER->start;	3195	$TICK_WATCHER->start;
2619	Event::loop;	3196	Event::loop;
…		…
2635	},	3212	},
2636	);	3213	);
2637	}	3214	}
2638	}	3215	}
2639		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
2640	sub emergency_save() {	3255	sub emergency_save() {
2641	my $freeze_guard = cf::freeze_mainloop;	3256	my $freeze_guard = cf::freeze_mainloop;
2642		3257
2643	warn "enter emergency perl save\n";	3258	warn "enter emergency perl save\n";
2644		3259
…		…
2719	%EXT_CORO = ();	3334	%EXT_CORO = ();
2720		3335
2721	warn "removing commands";	3336	warn "removing commands";
2722	%COMMAND = ();	3337	%COMMAND = ();
2723		3338
2724	warn "removing ext commands";	3339	warn "removing ext/exti commands";
2725	%EXTCMD = ();	3340	%EXTCMD = ();
		3341	%EXTICMD = ();
2726		3342
2727	warn "unloading/nuking all extensions";	3343	warn "unloading/nuking all extensions";
2728	for my $pkg (@EXTS) {	3344	for my $pkg (@EXTS) {
2729	warn "... unloading $pkg";	3345	warn "... unloading $pkg";
2730		3346
…		…
2773	warn "reloading cf.pm";	3389	warn "reloading cf.pm";
2774	require cf;	3390	require cf;
2775	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3391	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2776		3392
2777	warn "loading config and database again";	3393	warn "loading config and database again";
2778	cf::cfg_load;	3394	cf::reload_config;
2779		3395
2780	warn "loading extensions";	3396	warn "loading extensions";
2781	cf::load_extensions;	3397	cf::load_extensions;
2782		3398
2783	warn "reattaching attachments to objects/players";	3399	warn "reattaching attachments to objects/players";
…		…
2876	write_runtime	3492	write_runtime
2877	or warn "ERROR: unable to write runtime file: $!";	3493	or warn "ERROR: unable to write runtime file: $!";
2878	};	3494	};
2879	}	3495	}
2880		3496
2881	# my $AFTER = Event::time;
2882	# warn $AFTER - $NOW;#d#
2883
2884	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3497	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2885	$sig->send;	3498	$sig->send;
2886	}	3499	}
2887	while (my $sig = shift @WAIT_FOR_TICK) {	3500	while (my $sig = shift @WAIT_FOR_TICK) {
2888	$sig->send;	3501	$sig->send;
…		…
2898		3511
2899	$LOAD = ($NOW - $tick_start) / $TICK;	3512	$LOAD = ($NOW - $tick_start) / $TICK;
2900	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3513	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2901		3514
2902	_post_tick;	3515	_post_tick;
2903
2904
2905	},	3516	},
2906	);	3517	);
2907		3518
2908	{	3519	{
		3520	BDB::min_parallel 8;
2909	BDB::max_poll_time $TICK * 0.1;	3521	BDB::max_poll_time $TICK * 0.1;
2910	$BDB_POLL_WATCHER = Event->io (	3522	$BDB_POLL_WATCHER = Event->io (
2911	reentrant => 0,	3523	reentrant => 0,
2912	fd => BDB::poll_fileno,	3524	fd => BDB::poll_fileno,
2913	poll => 'r',	3525	poll => 'r',
2914	prio => 0,	3526	prio => 0,
2915	data => WF_AUTOCANCEL,	3527	data => WF_AUTOCANCEL,
2916	cb => \&BDB::poll_cb,	3528	cb => \&BDB::poll_cb,
2917	);	3529	);
2918	BDB::min_parallel 8;
2919		3530
2920	BDB::set_sync_prepare {	3531	BDB::set_sync_prepare {
2921	my $status;	3532	my $status;
2922	my $current = $Coro::current;	3533	my $current = $Coro::current;
2923	(	3534	(
…		…
2932	)	3543	)
2933	};	3544	};
2934		3545
2935	unless ($DB_ENV) {	3546	unless ($DB_ENV) {
2936	$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);
2937		3552
2938	cf::sync_job {	3553	cf::sync_job {
2939	eval {	3554	eval {
2940	BDB::db_env_open	3555	BDB::db_env_open
2941	$DB_ENV,	3556	$DB_ENV,
…		…
2943	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3558	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2944	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3559	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2945	0666;	3560	0666;
2946		3561
2947	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3562	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2948
2949	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2950	$DB_ENV->set_lk_detect;
2951	};	3563	};
2952		3564
2953	cf::cleanup "db_env_open(db): $@" if $@;	3565	cf::cleanup "db_env_open(db): $@" if $@;
2954	};	3566	};
2955	}	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	);
2956	}	3599	}
2957		3600
2958	{	3601	{
2959	IO::AIO::min_parallel 8;	3602	IO::AIO::min_parallel 8;
2960		3603

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