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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.265 by root, Fri May 11 08:00:00 2007 UTC vs.
Revision 1.346 by root, Tue Aug 28 19:38:40 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;
…		…
164		168
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	170	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
		178
169	=back	179	=back
170		180
171	=cut	181	=cut
172		182
173	BEGIN {	183	BEGIN {
…		…
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		204
194	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	206	# within the Safe compartment.
196	for my $pkg (qw(	207	for my $pkg (qw(
197	cf::global cf::attachable	208	cf::global cf::attachable
…		…
205	}	216	}
206		217
207	$Event::DIED = sub {	218	$Event::DIED = sub {
208	warn "error in event callback: @_";	219	warn "error in event callback: @_";
209	};	220	};
		221
		222	#############################################################################
210		223
211	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
212		225
213	=over 4	226	=over 4
214		227
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	247	$d
235	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
236	}	249	}
237		250
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
241		252
242	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
243		254
244	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
245		256
246	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
		258
		259	=cut
		260
		261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		262
		263	sub to_json ($) { $json_coder->encode ($_[0]) }
		264	sub from_json ($) { $json_coder->decode ($_[0]) }
247		265
248	=item cf::lock_wait $string	266	=item cf::lock_wait $string
249		267
250	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
251		269
…		…
305	};	323	};
306	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
307	$guard	325	$guard
308	}	326	}
309		327
		328	=item cf::get_slot $time[, $priority[, $name]]
		329
		330	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		331	This call blocks and returns only when you have at least C<$time> seconds
		332	of cpu time till the next tick. The slot is only valid till the next cede.
		333
		334	The optional C<$name> can be used to identify the job to run. It might be
		335	used for statistical purposes and should identify the same time-class.
		336
		337	Useful for short background jobs.
		338
		339	=cut
		340
		341	our @SLOT_QUEUE;
		342	our $SLOT_QUEUE;
		343
		344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		345	$SLOT_QUEUE = Coro::async {
		346	my $signal = new Coro::Signal;
		347
		348	while () {
		349	next_job:
		350	my $avail = cf::till_tick;
		351	if ($avail > 0.01) {
		352	for (0 .. $#SLOT_QUEUE) {
		353	if ($SLOT_QUEUE[$_][0] < $avail) {
		354	my $job = splice @SLOT_QUEUE, $_, 1, ();
		355	$job->[2]->send;
		356	Coro::cede;
		357	goto next_job;
		358	}
		359	}
		360	}
		361
		362	if (@SLOT_QUEUE) {
		363	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		364	push @cf::WAIT_FOR_TICK, $signal;
		365	$signal->wait;
		366	} else {
		367	Coro::schedule;
		368	}
		369	}
		370	};
		371
		372	sub get_slot($;$$) {
		373	my ($time, $pri, $name) = @_;
		374
		375	$time = $TICK * .6 if $time > $TICK * .6;
		376	my $sig = new Coro::Signal;
		377
		378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		380	$SLOT_QUEUE->ready;
		381	$sig->wait;
		382	}
		383
310	=item cf::async { BLOCK }	384	=item cf::async { BLOCK }
311		385
312	Currently the same as Coro::async_pool, meaning you cannot use	386	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	387	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.	388	thing you are allowed to do is call C<prio> on it.
…		…
317		391
318	BEGIN { *async = \&Coro::async_pool }	392	BEGIN { *async = \&Coro::async_pool }
319		393
320	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
321		395
322	The design of crossfire+ requires that the main coro ($Coro::main) is	396	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	397	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.	398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		399	acceptable.
325		400
326	If it must be done, put the blocking parts into C<sync_job>. This will run	401	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	402	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	403	server will be frozen during this time, so the block should either finish
329	fast or be very important.	404	fast or be very important.
…		…
356	Coro::cede or Event::one_event;	431	Coro::cede or Event::one_event;
357	}	432	}
358		433
359	$time = Event::time - $time;	434	$time = Event::time - $time;
360		435
361	LOG llevError | logBacktrace, "long sync job\n"	436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5;	437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363		438
364	$tick_start += $time; # do not account sync jobs to server load	439	$tick_start += $time; # do not account sync jobs to server load
365		440
366	wantarray ? @res : $res[0]	441	wantarray ? @res : $res[0]
367	} else {	442	} else {
…		…
389	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
390		465
391	$coro	466	$coro
392	}	467	}
393		468
394	sub write_runtime {	469	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		470
397	# first touch the runtime file to show we are still running:	471	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	472	process, returning the results. Everything must be serialisable with
		473	Coro::Storable. May, of course, block. Note that the executed sub may
		474	never block itself or use any form of Event handling.
399		475
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	476	=cut
401	utime undef, undef, $fh;
402	}
403		477
404	my $guard = cf::lock_acquire "write_runtime";	478	sub fork_call(&@) {
		479	my ($cb, @args) = @_;
405		480
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	481	# we seemingly have to make a local copy of the whole thing,
407	or return;	482	# otherwise perl prematurely frees the stuff :/
		483	# TODO: investigate and fix (liekly this will be rather laborious)
408		484
409	my $value = $cf::RUNTIME + 90 + 10;	485	my @res = Coro::Util::fork_eval {
410	# 10 is the runtime save interval, for a monotonic clock	486	reset_signals;
411	# 60 allows for the watchdog to kill the server.	487	&$cb
		488	}, @args;
412		489
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	490	wantarray ? @res : $res[-1]
414	and return;	491	}
415		492
416	# always fsync - this file is important	493	=item $value = cf::db_get $family => $key
417	aio_fsync $fh
418	and return;
419		494
420	# touch it again to show we are up-to-date	495	Returns a single value from the environment database.
421	utime undef, undef, $fh;
422		496
423	close $fh	497	=item cf::db_put $family => $key => $value
424	or return;
425		498
426	aio_rename "$runtime~", $runtime	499	Stores the given C<$value> in the family. It can currently store binary
427	and return;	500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
428		501
429	warn "runtime file written.\n";#d#	502	=cut
430		503
		504	our $DB;
		505
		506	sub db_init {
		507	unless ($DB) {
		508	$DB = BDB::db_create $DB_ENV;
		509
		510	cf::sync_job {
		511	eval {
		512	$DB->set_flags (BDB::CHKSUM);
		513
		514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		516	cf::cleanup "db_open(db): $!" if $!;
		517	};
		518	cf::cleanup "db_open(db): $@" if $@;
		519	};
431	1	520	}
		521	}
		522
		523	sub db_get($$) {
		524	my $key = "$_[0]/$_[1]";
		525
		526	cf::sync_job {
		527	BDB::db_get $DB, undef, $key, my $data;
		528
		529	$! ? ()
		530	: $data
		531	}
		532	}
		533
		534	sub db_put($$$) {
		535	BDB::dbreq_pri 4;
		536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		537	}
		538
		539	=item cf::cache $id => [$paths...], $processversion => $process
		540
		541	Generic caching function that returns the value of the resource $id,
		542	caching and regenerating as required.
		543
		544	This function can block.
		545
		546	=cut
		547
		548	sub cache {
		549	my ($id, $src, $processversion, $process) = @_;
		550
		551	my $meta =
		552	join "\x00",
		553	$processversion,
		554	map {
		555	aio_stat $_
		556	and Carp::croak "$_: $!";
		557
		558	($_, (stat _)[7,9])
		559	} @$src;
		560
		561	my $dbmeta = db_get cache => "$id/meta";
		562	if ($dbmeta ne $meta) {
		563	# changed, we may need to process
		564
		565	my @data;
		566	my $md5;
		567
		568	for (0 .. $#$src) {
		569	0 <= aio_load $src->[$_], $data[$_]
		570	or Carp::croak "$src->[$_]: $!";
		571	}
		572
		573	# if processing is expensive, check
		574	# checksum first
		575	if (1) {
		576	$md5 =
		577	join "\x00",
		578	$processversion,
		579	map {
		580	cf::cede_to_tick;
		581	($src->[$_], Digest::MD5::md5_hex $data[$_])
		582	} 0.. $#$src;
		583
		584
		585	my $dbmd5 = db_get cache => "$id/md5";
		586	if ($dbmd5 eq $md5) {
		587	db_put cache => "$id/meta", $meta;
		588
		589	return db_get cache => "$id/data";
		590	}
		591	}
		592
		593	my $t1 = Time::HiRes::time;
		594	my $data = $process->(\@data);
		595	my $t2 = Time::HiRes::time;
		596
		597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		598
		599	db_put cache => "$id/data", $data;
		600	db_put cache => "$id/md5" , $md5;
		601	db_put cache => "$id/meta", $meta;
		602
		603	return $data;
		604	}
		605
		606	db_get cache => "$id/data"
432	}	607	}
433		608
434	=item cf::datalog type => key => value, ...	609	=item cf::datalog type => key => value, ...
435		610
436	Log a datalog packet of the given type with the given key-value pairs.	611	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")	629	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
456		631
457	In the following description, CLASS can be any of C<global>, C<object>	632	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	633	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	634	Crossfire TRT).
460		635
461	=over 4	636	=over 4
462		637
463	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
464		639
…		…
627	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
628		803
629	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
630	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
631	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
632	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
633		808
634	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
635	my $pkg = shift @arg;	810	my $pkg = shift @arg;
636		811
637	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
666	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
667	}	842	}
668		843
669	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
670	} else {	845	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	847	}
673		848
674	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
675	}	850	}
676		851
…		…
678	if (ref $_[0]) {	853	if (ref $_[0]) {
679	_object_attach @_;	854	_object_attach @_;
680	} else {	855	} else {
681	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
682	}	857	}
		858	_recalc_want;
683	};	859	};
684		860
685	# all those should be optimised	861	# all those should be optimised
686	sub cf::attachable::detach {	862	sub cf::attachable::detach {
687	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
690	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
691	reattach ($obj);	867	reattach ($obj);
692	} else {	868	} else {
693	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
694	}	870	}
		871	_recalc_want;
695	};	872	};
696		873
697	sub cf::attachable::attached {	874	sub cf::attachable::attached {
698	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
699		876
…		…
714	";	891	";
715	die if $@;	892	die if $@;
716	}	893	}
717		894
718	our $override;	895	our $override;
719	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	896	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
720		897
721	sub override {	898	sub override {
722	$override = 1;	899	$override = 1;
723	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
724	}	901	}
725		902
726	sub do_invoke {	903	sub do_invoke {
727	my $event = shift;	904	my $event = shift;
728	my $callbacks = shift;	905	my $callbacks = shift;
729		906
730	@invoke_results = ();	907	@INVOKE_RESULTS = ();
731		908
732	local $override;	909	local $override;
733		910
734	for (@$callbacks) {	911	for (@$callbacks) {
735	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
752		929
753	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
754		931
755	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	932	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	933	removed in future versions), and there is no public API to access override
757	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		935
759	=back	936	=back
760		937
761	=cut	938	=cut
762		939
763	#############################################################################	940	#############################################################################
764	# object support	941	# object support
		942	#
		943
		944	sub _can_merge {
		945	my ($ob1, $ob2) = @_;
		946
		947	local $Storable::canonical = 1;
		948	my $fob1 = Storable::freeze $ob1;
		949	my $fob2 = Storable::freeze $ob2;
		950
		951	$fob1 eq $fob2
		952	}
765		953
766	sub reattach {	954	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	956	my ($obj) = @_;
769		957
…		…
872	or return;	1060	or return;
873	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
874	}	1062	}
875		1063
876	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
878	return ($data, $av);	1066	return ($data, $av);
879	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
880		1074
881	#############################################################################	1075	#############################################################################
882	# command handling &c	1076	# command handling &c
883		1077
884	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1092	}
899		1093
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1095
902	Register a callbackf ro execution when the client sends an extcmd packet.	1096	Register a callback for execution when the client sends an (synchronous)
		1097	extcmd packet. Ext commands will be processed in the order they are
		1098	received by the server, like other user commands. The first argument is
		1099	the logged-in player. Ext commands can only be processed after a player
		1100	has logged in successfully.
903		1101
904	If the callback returns something, it is sent back as if reply was being	1102	If the callback returns something, it is sent back as if reply was being
905	called.	1103	called.
906		1104
		1105	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1106
		1107	Register a callback for execution when the client sends an (asynchronous)
		1108	exticmd packet. Exti commands are processed by the server as soon as they
		1109	are received, i.e. out of order w.r.t. other commands. The first argument
		1110	is a client socket. Exti commands can be received anytime, even before
		1111	log-in.
		1112
		1113	If the callback returns something, it is sent back as if reply was being
		1114	called.
		1115
907	=cut	1116	=cut
908		1117
909	sub register_extcmd {	1118	sub register_extcmd {
910	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
911		1120
912	$EXTCMD{$name} = $cb;	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
913	}	1128	}
914		1129
915	cf::player->attach (	1130	cf::player->attach (
916	on_command => sub {	1131	on_command => sub {
917	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
926	cf::override;	1141	cf::override;
927	},	1142	},
928	on_extcmd => sub {	1143	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
930		1145
931	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1147
933	if (ref $msg) {	1148	if (ref $msg) {
		1149	my ($type, $reply, @payload) =
		1150	"ARRAY" eq ref $msg
		1151	? @$msg
		1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1153
		1154	my @reply;
		1155
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1156	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1157	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1158	}
		1159
		1160	$pl->ext_reply ($reply, @reply)
		1161	if $reply;
		1162
939	} else {	1163	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1164	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1165	}
942		1166
943	cf::override;	1167	cf::override;
944	},	1168	},
945	);	1169	);
946		1170
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 {	1171	sub load_extensions {
		1172	cf::sync_job {
		1173	my %todo;
		1174
982	for my $ext (<$LIBDIR/*.ext>) {	1175	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1176	next unless -r $path;
984	eval {	1177
985	load_extension $ext;	1178	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1179	my $base = $1;
		1180	my $pkg = $1;
		1181	$pkg =~ s/[^[:word:]]/_/g;
		1182	$pkg = "ext::$pkg";
		1183
		1184	open my $fh, "<:utf8", $path
		1185	or die "$path: $!";
		1186
		1187	my $source = do { local $/; <$fh> };
		1188
		1189	my %ext = (
		1190	path => $path,
		1191	base => $base,
		1192	pkg => $pkg,
		1193	);
		1194
		1195	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1196	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1197
		1198	$ext{source} =
		1199	"package $pkg; use strict; use utf8;\n"
		1200	. "#line 1 \"$path\"\n{\n"
		1201	. $source
		1202	. "\n};\n1";
		1203
		1204	$todo{$base} = \%ext;
		1205	}
		1206
		1207	my %done;
		1208	while (%todo) {
		1209	my $progress;
		1210
		1211	while (my ($k, $v) = each %todo) {
		1212	for (split /,\s*/, $v->{meta}{depends}) {
		1213	goto skip
		1214	unless exists $done{$_};
		1215	}
		1216
		1217	warn "... loading '$k' into '$v->{pkg}'\n";
		1218
		1219	unless (eval $v->{source}) {
		1220	my $msg = $@ ? "$v->{path}: $@\n"
		1221	: "$v->{base}: extension inactive.\n";
		1222
		1223	if (exists $v->{meta}{mandatory}) {
		1224	warn $msg;
		1225	warn "mandatory extension failed to load, exiting.\n";
		1226	exit 1;
		1227	}
		1228
		1229	warn $msg;
		1230	}
		1231
		1232	$done{$k} = delete $todo{$k};
		1233	push @EXTS, $v->{pkg};
		1234	$progress = 1;
986	1	1235	}
987	} or warn "$ext not loaded: $@";	1236
		1237	skip:
		1238	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1239	unless $progress;
		1240	}
988	}	1241	};
989	}	1242	}
990		1243
991	#############################################################################	1244	#############################################################################
		1245
		1246	=back
992		1247
993	=head2 CORE EXTENSIONS	1248	=head2 CORE EXTENSIONS
994		1249
995	Functions and methods that extend core crossfire objects.	1250	Functions and methods that extend core crossfire objects.
996		1251
…		…
1067		1322
1068	aio_mkdir playerdir $pl, 0770;	1323	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1324	$pl->{last_save} = $cf::RUNTIME;
1070		1325
1071	$pl->save_pl ($path);	1326	$pl->save_pl ($path);
1072	Coro::cede;	1327	cf::cede_to_tick;
1073	}	1328	}
1074		1329
1075	sub new($) {	1330	sub new($) {
1076	my ($login) = @_;	1331	my ($login) = @_;
1077		1332
…		…
1081	$self->{deny_save} = 1;	1336	$self->{deny_save} = 1;
1082		1337
1083	$cf::PLAYER{$login} = $self;	1338	$cf::PLAYER{$login} = $self;
1084		1339
1085	$self	1340	$self
		1341	}
		1342
		1343	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1344
		1345	=cut
		1346
		1347	sub send_msg {
		1348	my $ns = shift->ns
		1349	or return;
		1350	$ns->send_msg (@_);
1086	}	1351	}
1087		1352
1088	=item $pl->quit_character	1353	=item $pl->quit_character
1089		1354
1090	Nukes the player without looking back. If logged in, the connection will	1355	Nukes the player without looking back. If logged in, the connection will
…		…
1184	}	1449	}
1185		1450
1186	\@paths	1451	\@paths
1187	}	1452	}
1188		1453
		1454	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1455
		1456	Expand crossfire pod fragments into protocol xml.
		1457
		1458	=cut
		1459
		1460	sub expand_cfpod {
		1461	((my $self), (local $_)) = @_;
		1462
		1463	# escape & and <
		1464	s/&/&amp;/g;
		1465	s/(?<![BIUGH])</&lt;/g;
		1466
		1467	# this is buggy, it needs to properly take care of nested <'s
		1468
		1469	1 while
		1470	# replace B<>, I<>, U<> etc.
		1471	s/B<([^\>]*)>/<b>$1<\/b>/
		1472	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1473	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1474	# replace G<male|female> tags
		1475	|| s{G<([^>|]*)\|([^>]*)>}{
		1476	$self->gender ? $2 : $1
		1477	}ge
		1478	# replace H<hint text>
		1479	|| s{H<([^\>]*)>}
		1480	{
		1481	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1482	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1483	"")
		1484	[$self->{hintmode}]
		1485	}ge;
		1486
		1487	# create single paragraphs (very hackish)
		1488	s/(?<=\S)\n(?=\w)/ /g;
		1489
		1490	# compress some whitespace
		1491	s/\s+\n/\n/g; # ws line-ends
		1492	s/\n\n+/\n/g; # double lines
		1493	s/^\n+//; # beginning lines
		1494	s/\n+$//; # ending lines
		1495
		1496	$_
		1497	}
		1498
		1499	sub hintmode {
		1500	$_[0]{hintmode} = $_[1] if @_ > 1;
		1501	$_[0]{hintmode}
		1502	}
		1503
1189	=item $player->ext_reply ($msgid, %msg)	1504	=item $player->ext_reply ($msgid, @msg)
1190		1505
1191	Sends an ext reply to the player.	1506	Sends an ext reply to the player.
1192		1507
1193	=cut	1508	=cut
1194		1509
1195	sub ext_reply($$%) {	1510	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1511	my ($self, $id, @msg) = @_;
1197		1512
1198	$msg{msgid} = $id;	1513	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1514	}
1202		1515
1203	=item $player->ext_event ($type, %msg)	1516	=item $player->ext_msg ($type, @msg)
1204		1517
1205	Sends an ext event to the client.	1518	Sends an ext event to the client.
1206		1519
1207	=cut	1520	=cut
1208		1521
1209	sub ext_event($$%) {	1522	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1523	my ($self, $type, @msg) = @_;
1211		1524
1212	$self->ns->ext_event ($type, %msg);	1525	$self->ns->ext_msg ($type, @msg);
1213	}	1526	}
1214		1527
1215	=head3 cf::region	1528	=head3 cf::region
1216		1529
1217	=over 4	1530	=over 4
…		…
1220		1533
1221	package cf::region;	1534	package cf::region;
1222		1535
1223	=item cf::region::find_by_path $path	1536	=item cf::region::find_by_path $path
1224		1537
1225	Tries to decuce the probable region for a map knowing only its path.	1538	Tries to decuce the likely region for a map knowing only its path.
1226		1539
1227	=cut	1540	=cut
1228		1541
1229	sub find_by_path($) {	1542	sub find_by_path($) {
1230	my ($path) = @_;	1543	my ($path) = @_;
1231		1544
1232	my ($match, $specificity);	1545	my ($match, $specificity);
1233		1546
1234	for my $region (list) {	1547	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1548	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1549	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1550	if $region->specificity > $specificity;
1238	}	1551	}
1239	}	1552	}
1240		1553
…		…
1304	my ($self, $merge) = @_;	1617	my ($self, $merge) = @_;
1305		1618
1306	# we have to keep some variables in memory intact	1619	# we have to keep some variables in memory intact
1307	local $self->{path};	1620	local $self->{path};
1308	local $self->{load_path};	1621	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1622
1312	$self->SUPER::thawer_merge ($merge);	1623	$self->SUPER::thawer_merge ($merge);
1313	}	1624	}
1314		1625
1315	sub normalise {	1626	sub normalise {
…		…
1362	$self->init; # pass $1 etc.	1673	$self->init; # pass $1 etc.
1363	return $self;	1674	return $self;
1364	}	1675	}
1365	}	1676	}
1366		1677
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	1678	Carp::cluck "unable to resolve path '$path' (base '$base').";
1368	()	1679	()
1369	}	1680	}
1370		1681
1371	sub init {	1682	sub init {
1372	my ($self) = @_;	1683	my ($self) = @_;
…		…
1413	sub change_all_map_light {	1724	sub change_all_map_light {
1414	my ($change) = @_;	1725	my ($change) = @_;
1415		1726
1416	$_->change_map_light ($change)	1727	$_->change_map_light ($change)
1417	for grep $_->outdoor, values %cf::MAP;	1728	for grep $_->outdoor, values %cf::MAP;
		1729	}
		1730
		1731	sub decay_objects {
		1732	my ($self) = @_;
		1733
		1734	return if $self->{deny_reset};
		1735
		1736	$self->do_decay_objects;
1418	}	1737	}
1419		1738
1420	sub unlink_save {	1739	sub unlink_save {
1421	my ($self) = @_;	1740	my ($self) = @_;
1422		1741
…		…
1480	$self->load_header_orig	1799	$self->load_header_orig
1481	or return;	1800	or return;
1482	$self->prepare_orig;	1801	$self->prepare_orig;
1483	}	1802	}
1484		1803
		1804	$self->{deny_reset} = 1
		1805	if $self->no_reset;
		1806
1485	$self->default_region (cf::region::find_by_path $self->{path})	1807	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	1808	unless $self->default_region;
1487		1809
1488	1	1810	1
1489	}	1811	}
…		…
1504	$map->{last_save} = $cf::RUNTIME;	1826	$map->{last_save} = $cf::RUNTIME;
1505		1827
1506	$map->load_header	1828	$map->load_header
1507	or return;	1829	or return;
1508		1830
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	1832	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	1833	#$cf::WAIT_FOR_TICK->wait;
1512	$map->reset;	1834	$map->reset;
1513	undef $guard;	1835	undef $guard;
1514	return find $path;	1836	return find $path;
…		…
1527	local $self->{deny_reset} = 1; # loading can take a long time	1849	local $self->{deny_reset} = 1; # loading can take a long time
1528		1850
1529	my $path = $self->{path};	1851	my $path = $self->{path};
1530		1852
1531	{	1853	{
		1854	my $guard1 = cf::lock_acquire "map_data:$path";
1532	my $guard = cf::lock_acquire "map_load:$path";	1855	my $guard2 = cf::lock_acquire "map_load:$path";
1533		1856
1534	return if $self->in_memory != cf::MAP_SWAPPED;	1857	return if $self->in_memory != cf::MAP_SWAPPED;
1535		1858
1536	$self->in_memory (cf::MAP_LOADING);	1859	$self->in_memory (cf::MAP_LOADING);
1537		1860
1538	$self->alloc;	1861	$self->alloc;
1539		1862
1540	$self->pre_load;	1863	$self->pre_load;
1541	Coro::cede;	1864	cf::cede_to_tick;
1542		1865
1543	$self->_load_objects ($self->{load_path}, 1)	1866	$self->_load_objects ($self->{load_path}, 1)
1544	or return;	1867	or return;
1545		1868
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1869	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
…		…
1552	$self->clear_unique_items;	1875	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	1876	$self->_load_objects ($uniq, 0);
1554	}	1877	}
1555	}	1878	}
1556		1879
1557	Coro::cede;	1880	cf::cede_to_tick;
1558	# now do the right thing for maps	1881	# now do the right thing for maps
1559	$self->link_multipart_objects;	1882	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	1883	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	1884	unless $self->difficulty;
1562	Coro::cede;	1885	cf::cede_to_tick;
1563		1886
1564	unless ($self->{deny_activate}) {	1887	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	1888	$self->decay_objects;
1566	$self->fix_auto_apply;	1889	$self->fix_auto_apply;
1567	$self->update_buttons;	1890	$self->update_buttons;
1568	Coro::cede;	1891	cf::cede_to_tick;
1569	$self->set_darkness_map;	1892	$self->set_darkness_map;
1570	Coro::cede;	1893	cf::cede_to_tick;
1571	$self->activate;	1894	$self->activate;
1572	}	1895	}
		1896
		1897	$self->{last_save} = $cf::RUNTIME;
		1898	$self->last_access ($cf::RUNTIME);
1573		1899
1574	$self->in_memory (cf::MAP_IN_MEMORY);	1900	$self->in_memory (cf::MAP_IN_MEMORY);
1575	}	1901	}
1576		1902
1577	$self->post_load;	1903	$self->post_load;
…		…
1581	my ($self, $ob) = @_;	1907	my ($self, $ob) = @_;
1582		1908
1583	return find "~" . $ob->name . "/" . $self->{path}	1909	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	1910	if $self->per_player;
1585		1911
		1912	# return find "?party/" . $ob->name . "/" . $self->{path}
		1913	# if $self->per_party;
		1914
1586	$self	1915	$self
1587	}	1916	}
1588		1917
1589	# find and load all maps in the 3x3 area around a map	1918	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	1919	sub load_neighbours {
1591	my ($map) = @_;	1920	my ($map) = @_;
1592		1921
1593	my @diag; # diagonal neighbours	1922	my @neigh; # diagonal neighbours
1594		1923
1595	for (0 .. 3) {	1924	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)	1925	my $neigh = $map->tile_path ($_)
1597	or next;	1926	or next;
1598	$neigh = find $neigh, $map	1927	$neigh = find $neigh, $map
1599	or next;	1928	or next;
1600	$neigh->load;	1929	$neigh->load;
1601		1930
		1931	push @neigh,
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1932	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1933	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}	1934	}
1605		1935
1606	for (@diag) {	1936	for (grep defined $_->[0], @neigh) {
		1937	my ($path, $origin) = @$_;
1607	my $neigh = find @$_	1938	my $neigh = find $path, $origin
1608	or next;	1939	or next;
1609	$neigh->load;	1940	$neigh->load;
1610	}	1941	}
1611	}	1942	}
1612		1943
…		…
1617	}	1948	}
1618		1949
1619	sub do_load_sync {	1950	sub do_load_sync {
1620	my ($map) = @_;	1951	my ($map) = @_;
1621		1952
		1953	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1954	if $Coro::current == $Coro::main;
		1955
1622	cf::sync_job { $map->load };	1956	cf::sync_job { $map->load };
1623	}	1957	}
1624		1958
1625	our %MAP_PREFETCH;	1959	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	1960	our $MAP_PREFETCHER = undef;
1627		1961
1628	sub find_async {	1962	sub find_async {
1629	my ($path, $origin) = @_;	1963	my ($path, $origin, $load) = @_;
1630		1964
1631	$path = normalise $path, $origin && $origin->{path};	1965	$path = normalise $path, $origin && $origin->{path};
1632		1966
1633	if (my $map = $cf::MAP{$path}) {	1967	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1968	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1635	}	1969	}
1636		1970
1637	undef $MAP_PREFETCH{$path};	1971	$MAP_PREFETCH{$path} |= $load;
		1972
1638	$MAP_PREFETCHER ||= cf::async {	1973	$MAP_PREFETCHER ||= cf::async {
1639	while (%MAP_PREFETCH) {	1974	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	1975	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	1976	if (my $map = find $k) {
1642	or next;
1643	$map->load;	1977	$map->load if $v;
		1978	}
1644		1979
1645	delete $MAP_PREFETCH{$path};	1980	delete $MAP_PREFETCH{$k};
1646	}	1981	}
1647	}	1982	}
1648	undef $MAP_PREFETCHER;	1983	undef $MAP_PREFETCHER;
1649	};	1984	};
1650	$MAP_PREFETCHER->prio (6);	1985	$MAP_PREFETCHER->prio (6);
…		…
1653	}	1988	}
1654		1989
1655	sub save {	1990	sub save {
1656	my ($self) = @_;	1991	my ($self) = @_;
1657		1992
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	1993	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		1994
1660	$self->{last_save} = $cf::RUNTIME;	1995	$self->{last_save} = $cf::RUNTIME;
1661		1996
1662	return unless $self->dirty;	1997	return unless $self->dirty;
1663		1998
…		…
1686	my ($self) = @_;	2021	my ($self) = @_;
1687		2022
1688	# save first because save cedes	2023	# save first because save cedes
1689	$self->save;	2024	$self->save;
1690		2025
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2026	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2027
1693	return if $self->players;	2028	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;	2029	return if $self->in_memory != cf::MAP_IN_MEMORY;
1695	return if $self->{deny_save};	2030	return if $self->{deny_save};
1696		2031
…		…
1700		2035
1701	sub reset_at {	2036	sub reset_at {
1702	my ($self) = @_;	2037	my ($self) = @_;
1703		2038
1704	# TODO: safety, remove and allow resettable per-player maps	2039	# 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};	2040	return 1e99 if $self->{deny_reset};
1707		2041
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2042	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2043	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2044
…		…
1721	my ($self) = @_;	2055	my ($self) = @_;
1722		2056
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2057	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2058
1725	return if $self->players;	2059	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2060
1728	warn "resetting map ", $self->path;#d#	2061	warn "resetting map ", $self->path;
1729		2062
1730	$self->in_memory (cf::MAP_SWAPPED);	2063	$self->in_memory (cf::MAP_SWAPPED);
1731		2064
1732	# need to save uniques path	2065	# need to save uniques path
1733	unless ($self->{deny_save}) {	2066	unless ($self->{deny_save}) {
…		…
1765	$cf::MAP{$self->path} = $self;	2098	$cf::MAP{$self->path} = $self;
1766		2099
1767	$self->reset; # polite request, might not happen	2100	$self->reset; # polite request, might not happen
1768	}	2101	}
1769		2102
		2103	=item $maps = cf::map::tmp_maps
		2104
		2105	Returns an arrayref with all map paths of currently instantiated and saved
		2106	maps. May block.
		2107
		2108	=cut
		2109
		2110	sub tmp_maps() {
		2111	[
		2112	map {
		2113	utf8::decode $_;
		2114	/\.map$/
		2115	? normalise $_
		2116	: ()
		2117	} @{ aio_readdir $TMPDIR or [] }
		2118	]
		2119	}
		2120
		2121	=item $maps = cf::map::random_maps
		2122
		2123	Returns an arrayref with all map paths of currently instantiated and saved
		2124	random maps. May block.
		2125
		2126	=cut
		2127
		2128	sub random_maps() {
		2129	[
		2130	map {
		2131	utf8::decode $_;
		2132	/\.map$/
		2133	? normalise "?random/$_"
		2134	: ()
		2135	} @{ aio_readdir $RANDOMDIR or [] }
		2136	]
		2137	}
		2138
1770	=item cf::map::unique_maps	2139	=item cf::map::unique_maps
1771		2140
1772	Returns an arrayref of paths of all shared maps that have	2141	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2142	instantiated unique items. May block.
1774		2143
1775	=cut	2144	=cut
1776		2145
1777	sub unique_maps() {	2146	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2147	[
1779	or return;	2148	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2149	utf8::decode $_;
1785	next if /\.pst$/;	2150	/\.map$/
1786	next unless /^$PATH_SEP/o;	2151	? normalise $_
1787		2152	: ()
1788	push @paths, cf::map::normalise $_;	2153	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2154	]
1790
1791	\@paths
1792	}	2155	}
1793		2156
1794	package cf;	2157	package cf;
1795		2158
1796	=back	2159	=back
…		…
1842		2205
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2206	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2207
1845	if ($self->{record_replies}) {	2208	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2209	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2210
1847	} else {	2211	} else {
		2212	my $pl = $self->contr;
		2213
		2214	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2215	my $dialog = $pl->{npc_dialog};
		2216	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2217
		2218	} else {
1848	$msg = $npc->name . " says: $msg" if $npc;	2219	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2220	$self->message ($msg, $flags);
		2221	}
1850	}	2222	}
		2223	}
		2224
		2225	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2226
		2227	=cut
		2228
		2229	sub cf::object::send_msg {
		2230	my $pl = shift->contr
		2231	or return;
		2232	$pl->send_msg (@_);
1851	}	2233	}
1852		2234
1853	=item $player_object->may ("access")	2235	=item $player_object->may ("access")
1854		2236
1855	Returns wether the given player is authorized to access resource "access"	2237	Returns wether the given player is authorized to access resource "access"
…		…
1902	$self->deactivate_recursive;	2284	$self->deactivate_recursive;
1903		2285
1904	return if UNIVERSAL::isa $self->map, "ext::map_link";	2286	return if UNIVERSAL::isa $self->map, "ext::map_link";
1905		2287
1906	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2288	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1907	if $self->map;	2289	if $self->map && $self->map->{path} ne "{link}";
1908		2290
1909	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2291	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1910	}	2292	}
1911		2293
1912	sub cf::object::player::leave_link {	2294	sub cf::object::player::leave_link {
1913	my ($self, $map, $x, $y) = @_;	2295	my ($self, $map, $x, $y) = @_;
		2296
		2297	return unless $self->contr->active;
1914		2298
1915	my $link_pos = delete $self->{_link_pos};	2299	my $link_pos = delete $self->{_link_pos};
1916		2300
1917	unless ($map) {	2301	unless ($map) {
1918	# restore original map position	2302	# restore original map position
…		…
1932	# use -1 or undef as default coordinates, not 0, 0	2316	# use -1 or undef as default coordinates, not 0, 0
1933	($x, $y) = ($map->enter_x, $map->enter_y)	2317	($x, $y) = ($map->enter_x, $map->enter_y)
1934	if $x <=0 && $y <= 0;	2318	if $x <=0 && $y <= 0;
1935		2319
1936	$map->load;	2320	$map->load;
1937	$map->load_diag;	2321	$map->load_neighbours;
1938		2322
1939	return unless $self->contr->active;	2323	return unless $self->contr->active;
1940	$self->activate_recursive;	2324	$self->activate_recursive;
1941		2325
1942	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2326	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1943	$self->enter_map ($map, $x, $y);	2327	$self->enter_map ($map, $x, $y);
1944	}	2328	}
1945		2329
1946	cf::player->attach (	2330	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1947	on_logout => sub {
1948	my ($pl) = @_;
1949		2331
1950	# abort map switching before logout	2332	Moves the player to the given map-path and coordinates by first freezing
1951	if ($pl->ob->{_link_pos}) {	2333	her, loading and preparing them map, calling the provided $check callback
1952	cf::sync_job {	2334	that has to return the map if sucecssful, and then unfreezes the player on
1953	$pl->ob->leave_link	2335	the new (success) or old (failed) map position. In either case, $done will
1954	};	2336	be called at the end of this process.
1955	}
1956	},
1957	on_login => sub {
1958	my ($pl) = @_;
1959		2337
1960	# try to abort aborted map switching on player login :)
1961	# should happen only on crashes
1962	if ($pl->ob->{_link_pos}) {
1963	$pl->ob->enter_link;
1964	(async {
1965	$pl->ob->reply (undef,
1966	"There was an internal problem at your last logout, "
1967	. "the server will try to bring you to your intended destination in a second.",
1968	cf::NDI_RED);
1969	# we need this sleep as the login has a concurrent enter_exit running
1970	# and this sleep increases chances of the player not ending up in scorn
1971	Coro::Timer::sleep 1;
1972	$pl->ob->leave_link;
1973	})->prio (2);
1974	}
1975	},
1976	);
1977
1978	=item $player_object->goto ($path, $x, $y)
1979
1980	=cut	2338	=cut
		2339
		2340	our $GOTOGEN;
1981		2341
1982	sub cf::object::player::goto {	2342	sub cf::object::player::goto {
1983	my ($self, $path, $x, $y) = @_;	2343	my ($self, $path, $x, $y, $check, $done) = @_;
		2344
		2345	# do generation counting so two concurrent goto's will be executed in-order
		2346	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1984		2347
1985	$self->enter_link;	2348	$self->enter_link;
1986		2349
1987	(async {	2350	(async {
1988	my $map = eval {	2351	my $map = eval {
1989	my $map = cf::map::find $path;	2352	my $map = cf::map::find $path;
		2353
		2354	if ($map) {
1990	$map = $map->customise_for ($self) if $map;	2355	$map = $map->customise_for ($self);
		2356	$map = $check->($map) if $check && $map;
		2357	} else {
		2358	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2359	}
		2360
1991	$map	2361	$map
		2362	};
		2363
		2364	if ($@) {
		2365	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2366	LOG llevError | logBacktrace, Carp::longmess $@;
1992	} or	2367	}
1993	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1994		2368
		2369	if ($gen == $self->{_goto_generation}) {
		2370	delete $self->{_goto_generation};
1995	$self->leave_link ($map, $x, $y);	2371	$self->leave_link ($map, $x, $y);
		2372	}
		2373
		2374	$done->() if $done;
1996	})->prio (1);	2375	})->prio (1);
1997	}	2376	}
1998		2377
1999	=item $player_object->enter_exit ($exit_object)	2378	=item $player_object->enter_exit ($exit_object)
2000		2379
…		…
2069	my $hp = $exit->stats->hp;	2448	my $hp = $exit->stats->hp;
2070	my $sp = $exit->stats->sp;	2449	my $sp = $exit->stats->sp;
2071		2450
2072	$self->enter_link;	2451	$self->enter_link;
2073		2452
		2453	# if exit is damned, update players death & WoR home-position
		2454	$self->contr->savebed ($slaying, $hp, $sp)
		2455	if $exit->flag (FLAG_DAMNED);
		2456
2074	(async {	2457	(async {
2075	$self->deactivate_recursive; # just to be sure	2458	$self->deactivate_recursive; # just to be sure
2076	unless (eval {	2459	unless (eval {
2077	$self->goto ($slaying, $hp, $sp);	2460	$self->goto ($slaying, $hp, $sp);
2078		2461
…		…
2105		2488
2106	utf8::encode $text;	2489	utf8::encode $text;
2107	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2490	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2108	}	2491	}
2109		2492
		2493	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2494
		2495	Send a drawinfo or msg packet to the client, formatting the msg for the
		2496	client if neccessary. C<$type> should be a string identifying the type of
		2497	the message, with C<log> being the default. If C<$color> is negative, suppress
		2498	the message unless the client supports the msg packet.
		2499
		2500	=cut
		2501
		2502	sub cf::client::send_msg {
		2503	my ($self, $channel, $msg, $color, @extra) = @_;
		2504
		2505	$msg = $self->pl->expand_cfpod ($msg);
		2506
		2507	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2508
		2509	if (ref $channel) {
		2510	# send meta info to client, if not yet sent
		2511	unless (exists $self->{channel}{$channel->{id}}) {
		2512	$self->{channel}{$channel->{id}} = $channel;
		2513	$self->ext_msg (channel_info => $channel);
		2514	}
		2515
		2516	$channel = $channel->{id};
		2517	}
		2518
		2519	return unless @extra || length $msg;
		2520
		2521	if ($self->can_msg) {
		2522	# default colour, mask it out
		2523	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2524	if $color & cf::NDI_DEF;
		2525
		2526	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2527	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2528	} else {
		2529	if ($color >= 0) {
		2530	# replace some tags by gcfclient-compatible ones
		2531	for ($msg) {
		2532	1 while
		2533	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2534	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2535	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2536	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2537	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2538	}
		2539
		2540	$color &= cf::NDI_COLOR_MASK;
		2541
		2542	utf8::encode $msg;
		2543
		2544	if (0 && $msg =~ /\[/) {
		2545	# COMMAND/INFO
		2546	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2547	} else {
		2548	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2549	$self->send_packet ("drawinfo $color $msg")
		2550	}
		2551	}
		2552	}
		2553	}
		2554
2110	=item $client->ext_event ($type, %msg)	2555	=item $client->ext_msg ($type, @msg)
2111		2556
2112	Sends an exti event to the client.	2557	Sends an ext event to the client.
2113		2558
2114	=cut	2559	=cut
2115		2560
2116	sub cf::client::ext_event($$%) {	2561	sub cf::client::ext_msg($$@) {
2117	my ($self, $type, %msg) = @_;	2562	my ($self, $type, @msg) = @_;
2118		2563
		2564	if ($self->extcmd == 2) {
		2565	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2566	} elsif ($self->extcmd == 1) { # TODO: remove
2119	$msg{msgtype} = "event_$type";	2567	push @msg, msgtype => "event_$type";
2120	$self->send_packet ("ext " . cf::to_json \%msg);	2568	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2569	}
		2570	}
		2571
		2572	=item $client->ext_reply ($msgid, @msg)
		2573
		2574	Sends an ext reply to the client.
		2575
		2576	=cut
		2577
		2578	sub cf::client::ext_reply($$@) {
		2579	my ($self, $id, @msg) = @_;
		2580
		2581	if ($self->extcmd == 2) {
		2582	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2583	} elsif ($self->extcmd == 1) {
		2584	#TODO: version 1, remove
		2585	unshift @msg, msgtype => "reply", msgid => $id;
		2586	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2587	}
2121	}	2588	}
2122		2589
2123	=item $success = $client->query ($flags, "text", \&cb)	2590	=item $success = $client->query ($flags, "text", \&cb)
2124		2591
2125	Queues a query to the client, calling the given callback with	2592	Queues a query to the client, calling the given callback with
2126	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2593	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2127	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2594	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2128		2595
2129	Queries can fail, so check the return code. Or don't, as queries will become	2596	Queries can fail, so check the return code. Or don't, as queries will
2130	reliable at some point in the future.	2597	become reliable at some point in the future.
2131		2598
2132	=cut	2599	=cut
2133		2600
2134	sub cf::client::query {	2601	sub cf::client::query {
2135	my ($self, $flags, $text, $cb) = @_;	2602	my ($self, $flags, $text, $cb) = @_;
…		…
2143	utf8::encode $text;	2610	utf8::encode $text;
2144	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2611	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2145		2612
2146	$self->send_packet ($self->{query_queue}[0][0])	2613	$self->send_packet ($self->{query_queue}[0][0])
2147	if @{ $self->{query_queue} } == 1;	2614	if @{ $self->{query_queue} } == 1;
		2615
		2616	1
2148	}	2617	}
2149		2618
2150	cf::client->attach (	2619	cf::client->attach (
		2620	on_connect => sub {
		2621	my ($ns) = @_;
		2622
		2623	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2624	},
2151	on_reply => sub {	2625	on_reply => sub {
2152	my ($ns, $msg) = @_;	2626	my ($ns, $msg) = @_;
2153		2627
2154	# this weird shuffling is so that direct followup queries	2628	# this weird shuffling is so that direct followup queries
2155	# get handled first	2629	# get handled first
…		…
2167	} else {	2641	} else {
2168	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2642	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2169	}	2643	}
2170	}	2644	}
2171	},	2645	},
		2646	on_exticmd => sub {
		2647	my ($ns, $buf) = @_;
		2648
		2649	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2650
		2651	if (ref $msg) {
		2652	my ($type, $reply, @payload) =
		2653	"ARRAY" eq ref $msg
		2654	? @$msg
		2655	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2656
		2657	my @reply;
		2658
		2659	if (my $cb = $EXTICMD{$type}) {
		2660	@reply = $cb->($ns, @payload);
		2661	}
		2662
		2663	$ns->ext_reply ($reply, @reply)
		2664	if $reply;
		2665
		2666	} else {
		2667	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2668	}
		2669
		2670	cf::override;
		2671	},
2172	);	2672	);
2173		2673
2174	=item $client->async (\&cb)	2674	=item $client->async (\&cb)
2175		2675
2176	Create a new coroutine, running the specified callback. The coroutine will	2676	Create a new coroutine, running the specified callback. The coroutine will
…		…
2217	our $safe = new Safe "safe";	2717	our $safe = new Safe "safe";
2218	our $safe_hole = new Safe::Hole;	2718	our $safe_hole = new Safe::Hole;
2219		2719
2220	$SIG{FPE} = 'IGNORE';	2720	$SIG{FPE} = 'IGNORE';
2221		2721
2222	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2722	$safe->permit_only (Opcode::opset qw(
		2723	:base_core :base_mem :base_orig :base_math
		2724	grepstart grepwhile mapstart mapwhile
		2725	sort time
		2726	));
2223		2727
2224	# here we export the classes and methods available to script code	2728	# here we export the classes and methods available to script code
2225		2729
2226	=pod	2730	=pod
2227		2731
2228	The following functions and methods are available within a safe environment:	2732	The following functions and methods are available within a safe environment:
2229		2733
2230	cf::object contr pay_amount pay_player map	2734	cf::object
		2735	contr pay_amount pay_player map x y force_find force_add
		2736	insert remove name archname title slaying race decrease_ob_nr
		2737
2231	cf::object::player player	2738	cf::object::player
2232	cf::player peaceful	2739	player
2233	cf::map trigger	2740
		2741	cf::player
		2742	peaceful
		2743
		2744	cf::map
		2745	trigger
2234		2746
2235	=cut	2747	=cut
2236		2748
2237	for (	2749	for (
2238	["cf::object" => qw(contr pay_amount pay_player map)],	2750	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2751	insert remove inv name archname title slaying race
		2752	decrease_ob_nr)],
2239	["cf::object::player" => qw(player)],	2753	["cf::object::player" => qw(player)],
2240	["cf::player" => qw(peaceful)],	2754	["cf::player" => qw(peaceful)],
2241	["cf::map" => qw(trigger)],	2755	["cf::map" => qw(trigger)],
2242	) {	2756	) {
2243	no strict 'refs';	2757	no strict 'refs';
…		…
2314	=back	2828	=back
2315		2829
2316	=cut	2830	=cut
2317		2831
2318	#############################################################################	2832	#############################################################################
2319
2320	=head2 EXTENSION DATABASE SUPPORT
2321
2322	Crossfire maintains a very simple database for extension use. It can
2323	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2324	convert to/from binary).
2325
2326	The parameter C<$family> should best start with the name of the extension
2327	using it, it should be unique.
2328
2329	=over 4
2330
2331	=item $value = cf::db_get $family => $key
2332
2333	Returns a single value from the database.
2334
2335	=item cf::db_put $family => $key => $value
2336
2337	Stores the given C<$value> in the family.
2338
2339	=cut
2340
2341	our $DB;
2342
2343	sub db_init {
2344	unless ($DB) {
2345	$DB = BDB::db_create $DB_ENV;
2346
2347	cf::sync_job {
2348	eval {
2349	$DB->set_flags (BDB::CHKSUM);
2350
2351	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2352	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2353	cf::cleanup "db_open(db): $!" if $!;
2354	};
2355	cf::cleanup "db_open(db): $@" if $@;
2356	};
2357	}
2358	}
2359
2360	sub db_get($$) {
2361	my $key = "$_[0]/$_[1]";
2362
2363	cf::sync_job {
2364	BDB::db_get $DB, undef, $key, my $data;
2365
2366	$! ? ()
2367	: $data
2368	}
2369	}
2370
2371	sub db_put($$$) {
2372	BDB::dbreq_pri 4;
2373	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2374	}
2375
2376	=item cf::cache $id => [$paths...], $processversion => $process
2377
2378	Generic caching function that returns the value of the resource $id,
2379	caching and regenerating as required.
2380
2381	This function can block.
2382
2383	=cut
2384
2385	sub cache {
2386	my ($id, $src, $processversion, $process) = @_;
2387
2388	my $meta =
2389	join "\x00",
2390	$processversion,
2391	map {
2392	aio_stat $_
2393	and Carp::croak "$_: $!";
2394
2395	($_, (stat _)[7,9])
2396	} @$src;
2397
2398	my $dbmeta = db_get cache => "$id/meta";
2399	if ($dbmeta ne $meta) {
2400	# changed, we may need to process
2401
2402	my @data;
2403	my $md5;
2404
2405	for (0 .. $#$src) {
2406	0 <= aio_load $src->[$_], $data[$_]
2407	or Carp::croak "$src->[$_]: $!";
2408	}
2409
2410	# if processing is expensive, check
2411	# checksum first
2412	if (1) {
2413	$md5 =
2414	join "\x00",
2415	$processversion,
2416	map {
2417	Coro::cede;
2418	($src->[$_], Digest::MD5::md5_hex $data[$_])
2419	} 0.. $#$src;
2420
2421
2422	my $dbmd5 = db_get cache => "$id/md5";
2423	if ($dbmd5 eq $md5) {
2424	db_put cache => "$id/meta", $meta;
2425
2426	return db_get cache => "$id/data";
2427	}
2428	}
2429
2430	my $t1 = Time::HiRes::time;
2431	my $data = $process->(\@data);
2432	my $t2 = Time::HiRes::time;
2433
2434	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2435
2436	db_put cache => "$id/data", $data;
2437	db_put cache => "$id/md5" , $md5;
2438	db_put cache => "$id/meta", $meta;
2439
2440	return $data;
2441	}
2442
2443	db_get cache => "$id/data"
2444	}
2445
2446	=item fork_call { }, $args
2447
2448	Executes the given code block with the given arguments in a seperate
2449	process, returning the results. Everything must be serialisable with
2450	Coro::Storable. May, of course, block. Note that the executed sub may
2451	never block itself or use any form of Event handling.
2452
2453	=cut
2454
2455	sub fork_call(&@) {
2456	my ($cb, @args) = @_;
2457
2458	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2459	# or die "socketpair: $!";
2460	pipe my $fh1, my $fh2
2461	or die "pipe: $!";
2462
2463	if (my $pid = fork) {
2464	close $fh2;
2465
2466	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2467	$res = Coro::Storable::thaw $res;
2468
2469	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2470
2471	die $$res unless "ARRAY" eq ref $res;
2472
2473	return wantarray ? @$res : $res->[-1];
2474	} else {
2475	reset_signals;
2476	local $SIG{__WARN__};
2477	local $SIG{__DIE__};
2478	eval {
2479	close $fh1;
2480
2481	my @res = eval { $cb->(@args) };
2482	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2483	};
2484
2485	warn $@ if $@;
2486	_exit 0;
2487	}
2488	}
2489
2490
2491
2492	#############################################################################
2493	# the server's init and main functions	2833	# the server's init and main functions
2494		2834
2495	sub load_facedata($) {	2835	sub load_facedata($) {
2496	my ($path) = @_;	2836	my ($path) = @_;
		2837
		2838	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2497		2839
2498	warn "loading facedata from $path\n";	2840	warn "loading facedata from $path\n";
2499		2841
2500	my $facedata;	2842	my $facedata;
2501	0 < aio_load $path, $facedata	2843	0 < aio_load $path, $facedata
…		…
2504	$facedata = Coro::Storable::thaw $facedata;	2846	$facedata = Coro::Storable::thaw $facedata;
2505		2847
2506	$facedata->{version} == 2	2848	$facedata->{version} == 2
2507	or cf::cleanup "$path: version mismatch, cannot proceed.";	2849	or cf::cleanup "$path: version mismatch, cannot proceed.";
2508		2850
		2851	# patch in the exptable
		2852	$facedata->{resource}{"res/exp_table"} = {
		2853	type => FT_RSRC,
		2854	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2855	};
		2856	cf::cede_to_tick;
		2857
2509	{	2858	{
2510	my $faces = $facedata->{faceinfo};	2859	my $faces = $facedata->{faceinfo};
2511		2860
2512	while (my ($face, $info) = each %$faces) {	2861	while (my ($face, $info) = each %$faces) {
2513	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2862	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2514	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2863	cf::face::set_visibility $idx, $info->{visibility};
		2864	cf::face::set_magicmap $idx, $info->{magicmap};
2515	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2865	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2516	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2866	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2517	Coro::cede;	2867
		2868	cf::cede_to_tick;
2518	}	2869	}
2519		2870
2520	while (my ($face, $info) = each %$faces) {	2871	while (my ($face, $info) = each %$faces) {
2521	next unless $info->{smooth};	2872	next unless $info->{smooth};
2522	my $idx = cf::face::find $face	2873	my $idx = cf::face::find $face
2523	or next;	2874	or next;
2524	if (my $smooth = cf::face::find $info->{smooth}) {	2875	if (my $smooth = cf::face::find $info->{smooth}) {
		2876	cf::face::set_smooth $idx, $smooth;
2525	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2877	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2526	} else {	2878	} else {
2527	warn "smooth face '$info->{smooth}' not found for face '$face'";	2879	warn "smooth face '$info->{smooth}' not found for face '$face'";
2528	}	2880	}
2529	Coro::cede;	2881
		2882	cf::cede_to_tick;
2530	}	2883	}
2531	}	2884	}
2532		2885
2533	{	2886	{
2534	my $anims = $facedata->{animinfo};	2887	my $anims = $facedata->{animinfo};
2535		2888
2536	while (my ($anim, $info) = each %$anims) {	2889	while (my ($anim, $info) = each %$anims) {
2537	cf::anim::set $anim, $info->{frames}, $info->{facings};	2890	cf::anim::set $anim, $info->{frames}, $info->{facings};
2538	Coro::cede;	2891	cf::cede_to_tick;
2539	}	2892	}
2540		2893
2541	cf::anim::invalidate_all; # d'oh	2894	cf::anim::invalidate_all; # d'oh
2542	}	2895	}
2543		2896
		2897	{
		2898	# TODO: for gcfclient pleasure, we should give resources
		2899	# that gcfclient doesn't grok a >10000 face index.
		2900	my $res = $facedata->{resource};
		2901
		2902	my $soundconf = delete $res->{"res/sound.conf"};
		2903
		2904	while (my ($name, $info) = each %$res) {
		2905	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2906	my $data;
		2907
		2908	if ($info->{type} & 1) {
		2909	# prepend meta info
		2910
		2911	my $meta = $enc->encode ({
		2912	name => $name,
		2913	%{ $info->{meta} || {} },
		2914	});
		2915
		2916	$data = pack "(w/a*)*", $meta, $info->{data};
		2917	} else {
		2918	$data = $info->{data};
		2919	}
		2920
		2921	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2922	cf::face::set_type $idx, $info->{type};
		2923
		2924	cf::cede_to_tick;
		2925	}
		2926
		2927	if ($soundconf) {
		2928	$soundconf = $enc->decode (delete $soundconf->{data});
		2929
		2930	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2931	my $sound = $soundconf->{compat}[$_]
		2932	or next;
		2933
		2934	my $face = cf::face::find "sound/$sound->[1]";
		2935	cf::sound::set $sound->[0] => $face;
		2936	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2937	}
		2938
		2939	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2940	my $face = cf::face::find "sound/$v";
		2941	cf::sound::set $k => $face;
		2942	}
		2943	}
		2944	}
		2945
2544	1	2946	1
2545	}	2947	}
		2948
		2949	register_exticmd fx_want => sub {
		2950	my ($ns, $want) = @_;
		2951
		2952	while (my ($k, $v) = each %$want) {
		2953	$ns->fx_want ($k, $v);
		2954	}
		2955	};
2546		2956
2547	sub reload_regions {	2957	sub reload_regions {
2548	load_resource_file "$MAPDIR/regions"	2958	load_resource_file "$MAPDIR/regions"
2549	or die "unable to load regions file\n";	2959	or die "unable to load regions file\n";
		2960
		2961	for (cf::region::list) {
		2962	$_->{match} = qr/$_->{match}/
		2963	if exists $_->{match};
		2964	}
2550	}	2965	}
2551		2966
2552	sub reload_facedata {	2967	sub reload_facedata {
2553	load_facedata "$DATADIR/facedata"	2968	load_facedata "$DATADIR/facedata"
2554	or die "unable to load facedata\n";	2969	or die "unable to load facedata\n";
2555	}	2970	}
2556		2971
2557	sub reload_archetypes {	2972	sub reload_archetypes {
2558	load_resource_file "$DATADIR/archetypes"	2973	load_resource_file "$DATADIR/archetypes"
2559	or die "unable to load archetypes\n";	2974	or die "unable to load archetypes\n";
		2975	#d# NEED to laod twice to resolve forward references
		2976	# this really needs to be done in an extra post-pass
		2977	# (which needs to be synchronous, so solve it differently)
		2978	load_resource_file "$DATADIR/archetypes"
		2979	or die "unable to load archetypes\n";
2560	}	2980	}
2561		2981
2562	sub reload_treasures {	2982	sub reload_treasures {
2563	load_resource_file "$DATADIR/treasures"	2983	load_resource_file "$DATADIR/treasures"
2564	or die "unable to load treasurelists\n";	2984	or die "unable to load treasurelists\n";
…		…
2567	sub reload_resources {	2987	sub reload_resources {
2568	warn "reloading resource files...\n";	2988	warn "reloading resource files...\n";
2569		2989
2570	reload_regions;	2990	reload_regions;
2571	reload_facedata;	2991	reload_facedata;
		2992	#reload_archetypes;#d#
2572	reload_archetypes;	2993	reload_archetypes;
2573	reload_treasures;	2994	reload_treasures;
2574		2995
2575	warn "finished reloading resource files\n";	2996	warn "finished reloading resource files\n";
2576	}	2997	}
2577		2998
2578	sub init {	2999	sub init {
2579	reload_resources;	3000	reload_resources;
2580	}	3001	}
2581		3002
2582	sub cfg_load {	3003	sub reload_config {
2583	open my $fh, "<:utf8", "$CONFDIR/config"	3004	open my $fh, "<:utf8", "$CONFDIR/config"
2584	or return;	3005	or return;
2585		3006
2586	local $/;	3007	local $/;
2587	*CFG = YAML::Syck::Load <$fh>;	3008	*CFG = YAML::Syck::Load <$fh>;
…		…
2607	(async {	3028	(async {
2608	Event::one_event;	3029	Event::one_event;
2609	})->prio (Coro::PRIO_MAX);	3030	})->prio (Coro::PRIO_MAX);
2610	};	3031	};
2611		3032
2612	cfg_load;	3033	reload_config;
2613	db_init;	3034	db_init;
2614	load_extensions;	3035	load_extensions;
2615		3036
2616	$TICK_WATCHER->start;	3037	$TICK_WATCHER->start;
2617	Event::loop;	3038	Event::loop;
…		…
2633	},	3054	},
2634	);	3055	);
2635	}	3056	}
2636	}	3057	}
2637		3058
		3059	sub write_runtime {
		3060	my $runtime = "$LOCALDIR/runtime";
		3061
		3062	# first touch the runtime file to show we are still running:
		3063	# the fsync below can take a very very long time.
		3064
		3065	IO::AIO::aio_utime $runtime, undef, undef;
		3066
		3067	my $guard = cf::lock_acquire "write_runtime";
		3068
		3069	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3070	or return;
		3071
		3072	my $value = $cf::RUNTIME + 90 + 10;
		3073	# 10 is the runtime save interval, for a monotonic clock
		3074	# 60 allows for the watchdog to kill the server.
		3075
		3076	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3077	and return;
		3078
		3079	# always fsync - this file is important
		3080	aio_fsync $fh
		3081	and return;
		3082
		3083	# touch it again to show we are up-to-date
		3084	aio_utime $fh, undef, undef;
		3085
		3086	close $fh
		3087	or return;
		3088
		3089	aio_rename "$runtime~", $runtime
		3090	and return;
		3091
		3092	warn "runtime file written.\n";
		3093
		3094	1
		3095	}
		3096
2638	sub emergency_save() {	3097	sub emergency_save() {
2639	my $freeze_guard = cf::freeze_mainloop;	3098	my $freeze_guard = cf::freeze_mainloop;
2640		3099
2641	warn "enter emergency perl save\n";	3100	warn "enter emergency perl save\n";
2642		3101
…		…
2717	%EXT_CORO = ();	3176	%EXT_CORO = ();
2718		3177
2719	warn "removing commands";	3178	warn "removing commands";
2720	%COMMAND = ();	3179	%COMMAND = ();
2721		3180
2722	warn "removing ext commands";	3181	warn "removing ext/exti commands";
2723	%EXTCMD = ();	3182	%EXTCMD = ();
		3183	%EXTICMD = ();
2724		3184
2725	warn "unloading/nuking all extensions";	3185	warn "unloading/nuking all extensions";
2726	for my $pkg (@EXTS) {	3186	for my $pkg (@EXTS) {
2727	warn "... unloading $pkg";	3187	warn "... unloading $pkg";
2728		3188
…		…
2771	warn "reloading cf.pm";	3231	warn "reloading cf.pm";
2772	require cf;	3232	require cf;
2773	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3233	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2774		3234
2775	warn "loading config and database again";	3235	warn "loading config and database again";
2776	cf::cfg_load;	3236	cf::reload_config;
2777		3237
2778	warn "loading extensions";	3238	warn "loading extensions";
2779	cf::load_extensions;	3239	cf::load_extensions;
2780		3240
2781	warn "reattaching attachments to objects/players";	3241	warn "reattaching attachments to objects/players";
…		…
2846	my $signal = new Coro::Signal;	3306	my $signal = new Coro::Signal;
2847	push @WAIT_FOR_TICK_BEGIN, $signal;	3307	push @WAIT_FOR_TICK_BEGIN, $signal;
2848	$signal->wait;	3308	$signal->wait;
2849	}	3309	}
2850		3310
		3311	my $min = 1e6;#d#
		3312	my $avg = 10;
2851	$TICK_WATCHER = Event->timer (	3313	$TICK_WATCHER = Event->timer (
2852	reentrant => 0,	3314	reentrant => 0,
2853	parked => 1,	3315	parked => 1,
2854	prio => 0,	3316	prio => 0,
2855	at => $NEXT_TICK || $TICK,	3317	at => $NEXT_TICK || $TICK,
…		…
2862	}	3324	}
2863		3325
2864	$NOW = $tick_start = Event::time;	3326	$NOW = $tick_start = Event::time;
2865		3327
2866	cf::server_tick; # one server iteration	3328	cf::server_tick; # one server iteration
		3329
		3330	0 && sync_job {#d#
		3331	for(1..10) {
		3332	my $t = Event::time;
		3333	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3334	or die;
		3335
		3336	$map->width (50);
		3337	$map->height (50);
		3338	$map->alloc;
		3339	$map->_load_objects ("/tmp/x.map", 1);
		3340	my $t = Event::time - $t;
		3341
		3342	#next unless $t < 0.0013;#d#
		3343	if ($t < $min) {
		3344	$min = $t;
		3345	}
		3346	$avg = $avg * 0.99 + $t * 0.01;
		3347	}
		3348	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3349	exit 0;
		3350	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3351	};
2867		3352
2868	$RUNTIME += $TICK;	3353	$RUNTIME += $TICK;
2869	$NEXT_TICK += $TICK;	3354	$NEXT_TICK += $TICK;
2870		3355
2871	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3356	if ($NOW >= $NEXT_RUNTIME_WRITE) {

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