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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.270 by root, Sat May 26 15:44:06 2007 UTC vs.
Revision 1.336 by root, Tue Aug 21 00:31:18 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 1.4 ();
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.
…		…
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	Coro::cede;
		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
…		…
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
…		…
716	";	891	";
717	die if $@;	892	die if $@;
718	}	893	}
719		894
720	our $override;	895	our $override;
721	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?
722		897
723	sub override {	898	sub override {
724	$override = 1;	899	$override = 1;
725	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
726	}	901	}
727		902
728	sub do_invoke {	903	sub do_invoke {
729	my $event = shift;	904	my $event = shift;
730	my $callbacks = shift;	905	my $callbacks = shift;
731		906
732	@invoke_results = ();	907	@INVOKE_RESULTS = ();
733		908
734	local $override;	909	local $override;
735		910
736	for (@$callbacks) {	911	for (@$callbacks) {
737	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
754		929
755	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
756		931
757	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
758	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
759	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		935
761	=back	936	=back
762		937
763	=cut	938	=cut
764		939
765	#############################################################################	940	#############################################################################
766	# 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	}
767		953
768	sub reattach {	954	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	956	my ($obj) = @_;
771		957
…		…
874	or return;	1060	or return;
875	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
876	}	1062	}
877		1063
878	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
880	return ($data, $av);	1066	return ($data, $av);
881	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
882		1074
883	#############################################################################	1075	#############################################################################
884	# command handling &c	1076	# command handling &c
885		1077
886	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1092	}
901		1093
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1095
904	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.
905		1101
906	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
907	called.	1103	called.
908		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
909	=cut	1116	=cut
910		1117
911	sub register_extcmd {	1118	sub register_extcmd {
912	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
913		1120
914	$EXTCMD{$name} = $cb;	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
915	}	1128	}
916		1129
917	cf::player->attach (	1130	cf::player->attach (
918	on_command => sub {	1131	on_command => sub {
919	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
928	cf::override;	1141	cf::override;
929	},	1142	},
930	on_extcmd => sub {	1143	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
932		1145
933	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1147
935	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
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1154	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1155	my @reply = $cb->($pl, @payload);
		1156
938	$pl->ext_reply ($msg->{msgid}, %reply);	1157	$pl->ext_reply ($reply, @reply)
939	}	1158	if $reply;
940	}	1159	}
941	} else {	1160	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1162	}
944		1163
945	cf::override;	1164	cf::override;
946	},	1165	},
947	);	1166	);
948		1167
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 {	1168	sub load_extensions {
		1169	cf::sync_job {
		1170	my %todo;
		1171
984	for my $ext (<$LIBDIR/*.ext>) {	1172	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1173	next unless -r $path;
986	eval {	1174
987	load_extension $ext;	1175	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1176	my $base = $1;
		1177	my $pkg = $1;
		1178	$pkg =~ s/[^[:word:]]/_/g;
		1179	$pkg = "ext::$pkg";
		1180
		1181	open my $fh, "<:utf8", $path
		1182	or die "$path: $!";
		1183
		1184	my $source = do { local $/; <$fh> };
		1185
		1186	my %ext = (
		1187	path => $path,
		1188	base => $base,
		1189	pkg => $pkg,
		1190	);
		1191
		1192	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1193	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1194
		1195	$ext{source} =
		1196	"package $pkg; use strict; use utf8;\n"
		1197	. "#line 1 \"$path\"\n{\n"
		1198	. $source
		1199	. "\n};\n1";
		1200
		1201	$todo{$base} = \%ext;
		1202	}
		1203
		1204	my %done;
		1205	while (%todo) {
		1206	my $progress;
		1207
		1208	while (my ($k, $v) = each %todo) {
		1209	for (split /,\s*/, $v->{meta}{depends}) {
		1210	goto skip
		1211	unless exists $done{$_};
		1212	}
		1213
		1214	warn "... loading '$k' into '$v->{pkg}'\n";
		1215
		1216	unless (eval $v->{source}) {
		1217	my $msg = $@ ? "$v->{path}: $@\n"
		1218	: "$v->{base}: extension inactive.\n";
		1219
		1220	if (exists $v->{meta}{mandatory}) {
		1221	warn $msg;
		1222	warn "mandatory extension failed to load, exiting.\n";
		1223	exit 1;
		1224	}
		1225
		1226	warn $msg;
		1227	}
		1228
		1229	$done{$k} = delete $todo{$k};
		1230	push @EXTS, $v->{pkg};
		1231	$progress = 1;
988	1	1232	}
989	} or warn "$ext not loaded: $@";	1233
		1234	skip:
		1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1236	unless $progress;
		1237	}
990	}	1238	};
991	}	1239	}
992		1240
993	#############################################################################	1241	#############################################################################
		1242
		1243	=back
994		1244
995	=head2 CORE EXTENSIONS	1245	=head2 CORE EXTENSIONS
996		1246
997	Functions and methods that extend core crossfire objects.	1247	Functions and methods that extend core crossfire objects.
998		1248
…		…
1085	$cf::PLAYER{$login} = $self;	1335	$cf::PLAYER{$login} = $self;
1086		1336
1087	$self	1337	$self
1088	}	1338	}
1089		1339
		1340	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1341
		1342	=cut
		1343
		1344	sub send_msg {
		1345	my $ns = shift->ns
		1346	or return;
		1347	$ns->send_msg (@_);
		1348	}
		1349
1090	=item $pl->quit_character	1350	=item $pl->quit_character
1091		1351
1092	Nukes the player without looking back. If logged in, the connection will	1352	Nukes the player without looking back. If logged in, the connection will
1093	be destroyed. May block for a long time.	1353	be destroyed. May block for a long time.
1094		1354
…		…
1186	}	1446	}
1187		1447
1188	\@paths	1448	\@paths
1189	}	1449	}
1190		1450
		1451	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1452
		1453	Expand crossfire pod fragments into protocol xml.
		1454
		1455	=cut
		1456
		1457	sub expand_cfpod {
		1458	((my $self), (local $_)) = @_;
		1459
		1460	# escape & and <
		1461	s/&/&amp;/g;
		1462	s/(?<![BIUGH])</&lt;/g;
		1463
		1464	# this is buggy, it needs to properly take care of nested <'s
		1465
		1466	1 while
		1467	# replace B<>, I<>, U<> etc.
		1468	s/B<([^\>]*)>/<b>$1<\/b>/
		1469	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1470	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1471	# replace G<male|female> tags
		1472	|| s{G<([^>|]*)\|([^>]*)>}{
		1473	$self->gender ? $2 : $1
		1474	}ge
		1475	# replace H<hint text>
		1476	|| s{H<([^\>]*)>}
		1477	{
		1478	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1479	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1480	"")
		1481	[$self->{hintmode}]
		1482	}ge;
		1483
		1484	# create single paragraphs (very hackish)
		1485	s/(?<=\S)\n(?=\w)/ /g;
		1486
		1487	# compress some whitespace
		1488	s/\s+\n/\n/g; # ws line-ends
		1489	s/\n\n+/\n/g; # double lines
		1490	s/^\n+//; # beginning lines
		1491	s/\n+$//; # ending lines
		1492
		1493	$_
		1494	}
		1495
		1496	sub hintmode {
		1497	$_[0]{hintmode} = $_[1] if @_ > 1;
		1498	$_[0]{hintmode}
		1499	}
		1500
1191	=item $player->ext_reply ($msgid, %msg)	1501	=item $player->ext_reply ($msgid, @msg)
1192		1502
1193	Sends an ext reply to the player.	1503	Sends an ext reply to the player.
1194		1504
1195	=cut	1505	=cut
1196		1506
1197	sub ext_reply($$%) {	1507	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1508	my ($self, $id, @msg) = @_;
1199		1509
1200	$msg{msgid} = $id;	1510	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1511	}
1204		1512
1205	=item $player->ext_event ($type, %msg)	1513	=item $player->ext_msg ($type, @msg)
1206		1514
1207	Sends an ext event to the client.	1515	Sends an ext event to the client.
1208		1516
1209	=cut	1517	=cut
1210		1518
1211	sub ext_event($$%) {	1519	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1520	my ($self, $type, @msg) = @_;
1213		1521
1214	$self->ns->ext_event ($type, %msg);	1522	$self->ns->ext_msg ($type, @msg);
1215	}	1523	}
1216		1524
1217	=head3 cf::region	1525	=head3 cf::region
1218		1526
1219	=over 4	1527	=over 4
…		…
1222		1530
1223	package cf::region;	1531	package cf::region;
1224		1532
1225	=item cf::region::find_by_path $path	1533	=item cf::region::find_by_path $path
1226		1534
1227	Tries to decuce the probable region for a map knowing only its path.	1535	Tries to decuce the likely region for a map knowing only its path.
1228		1536
1229	=cut	1537	=cut
1230		1538
1231	sub find_by_path($) {	1539	sub find_by_path($) {
1232	my ($path) = @_;	1540	my ($path) = @_;
1233		1541
1234	my ($match, $specificity);	1542	my ($match, $specificity);
1235		1543
1236	for my $region (list) {	1544	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1545	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1546	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1547	if $region->specificity > $specificity;
1240	}	1548	}
1241	}	1549	}
1242		1550
…		…
1306	my ($self, $merge) = @_;	1614	my ($self, $merge) = @_;
1307		1615
1308	# we have to keep some variables in memory intact	1616	# we have to keep some variables in memory intact
1309	local $self->{path};	1617	local $self->{path};
1310	local $self->{load_path};	1618	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1619
1314	$self->SUPER::thawer_merge ($merge);	1620	$self->SUPER::thawer_merge ($merge);
1315	}	1621	}
1316		1622
1317	sub normalise {	1623	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1670	$self->init; # pass $1 etc.
1365	return $self;	1671	return $self;
1366	}	1672	}
1367	}	1673	}
1368		1674
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1675	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1676	()
1371	}	1677	}
1372		1678
1373	sub init {	1679	sub init {
1374	my ($self) = @_;	1680	my ($self) = @_;
…		…
1415	sub change_all_map_light {	1721	sub change_all_map_light {
1416	my ($change) = @_;	1722	my ($change) = @_;
1417		1723
1418	$_->change_map_light ($change)	1724	$_->change_map_light ($change)
1419	for grep $_->outdoor, values %cf::MAP;	1725	for grep $_->outdoor, values %cf::MAP;
		1726	}
		1727
		1728	sub decay_objects {
		1729	my ($self) = @_;
		1730
		1731	return if $self->{deny_reset};
		1732
		1733	$self->do_decay_objects;
1420	}	1734	}
1421		1735
1422	sub unlink_save {	1736	sub unlink_save {
1423	my ($self) = @_;	1737	my ($self) = @_;
1424		1738
…		…
1482	$self->load_header_orig	1796	$self->load_header_orig
1483	or return;	1797	or return;
1484	$self->prepare_orig;	1798	$self->prepare_orig;
1485	}	1799	}
1486		1800
		1801	$self->{deny_reset} = 1
		1802	if $self->no_reset;
		1803
1487	$self->default_region (cf::region::find_by_path $self->{path})	1804	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	1805	unless $self->default_region;
1489		1806
1490	1	1807	1
1491	}	1808	}
…		…
1506	$map->{last_save} = $cf::RUNTIME;	1823	$map->{last_save} = $cf::RUNTIME;
1507		1824
1508	$map->load_header	1825	$map->load_header
1509	or return;	1826	or return;
1510		1827
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1828	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	1829	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	1830	#$cf::WAIT_FOR_TICK->wait;
1514	$map->reset;	1831	$map->reset;
1515	undef $guard;	1832	undef $guard;
1516	return find $path;	1833	return find $path;
…		…
1571	$self->set_darkness_map;	1888	$self->set_darkness_map;
1572	Coro::cede;	1889	Coro::cede;
1573	$self->activate;	1890	$self->activate;
1574	}	1891	}
1575		1892
		1893	$self->{last_save} = $cf::RUNTIME;
		1894	$self->last_access ($cf::RUNTIME);
		1895
1576	$self->in_memory (cf::MAP_IN_MEMORY);	1896	$self->in_memory (cf::MAP_IN_MEMORY);
1577	}	1897	}
1578		1898
1579	$self->post_load;	1899	$self->post_load;
1580	}	1900	}
…		…
1583	my ($self, $ob) = @_;	1903	my ($self, $ob) = @_;
1584		1904
1585	return find "~" . $ob->name . "/" . $self->{path}	1905	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	1906	if $self->per_player;
1587		1907
		1908	# return find "?party/" . $ob->name . "/" . $self->{path}
		1909	# if $self->per_party;
		1910
1588	$self	1911	$self
1589	}	1912	}
1590		1913
1591	# find and load all maps in the 3x3 area around a map	1914	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	1915	sub load_neighbours {
1593	my ($map) = @_;	1916	my ($map) = @_;
1594		1917
1595	my @diag; # diagonal neighbours	1918	my @neigh; # diagonal neighbours
1596		1919
1597	for (0 .. 3) {	1920	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	1921	my $neigh = $map->tile_path ($_)
1599	or next;	1922	or next;
1600	$neigh = find $neigh, $map	1923	$neigh = find $neigh, $map
1601	or next;	1924	or next;
1602	$neigh->load;	1925	$neigh->load;
1603		1926
		1927	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1928	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1929	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	1930	}
1607		1931
1608	for (@diag) {	1932	for (grep defined $_->[0], @neigh) {
		1933	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	1934	my $neigh = find $path, $origin
1610	or next;	1935	or next;
1611	$neigh->load;	1936	$neigh->load;
1612	}	1937	}
1613	}	1938	}
1614		1939
…		…
1638		1963
1639	undef $MAP_PREFETCH{$path};	1964	undef $MAP_PREFETCH{$path};
1640	$MAP_PREFETCHER ||= cf::async {	1965	$MAP_PREFETCHER ||= cf::async {
1641	while (%MAP_PREFETCH) {	1966	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	1967	for my $path (keys %MAP_PREFETCH) {
1643	my $map = find $path	1968	if (my $map = find $path) {
1644	or next;
1645	$map->load;	1969	$map->load;
		1970	}
1646		1971
1647	delete $MAP_PREFETCH{$path};	1972	delete $MAP_PREFETCH{$path};
1648	}	1973	}
1649	}	1974	}
1650	undef $MAP_PREFETCHER;	1975	undef $MAP_PREFETCHER;
…		…
1702		2027
1703	sub reset_at {	2028	sub reset_at {
1704	my ($self) = @_;	2029	my ($self) = @_;
1705		2030
1706	# TODO: safety, remove and allow resettable per-player maps	2031	# 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};	2032	return 1e99 if $self->{deny_reset};
1709		2033
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2034	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2035	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2036
…		…
1723	my ($self) = @_;	2047	my ($self) = @_;
1724		2048
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2049	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2050
1727	return if $self->players;	2051	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2052
1730	warn "resetting map ", $self->path;#d#	2053	warn "resetting map ", $self->path;
1731		2054
1732	$self->in_memory (cf::MAP_SWAPPED);	2055	$self->in_memory (cf::MAP_SWAPPED);
1733		2056
1734	# need to save uniques path	2057	# need to save uniques path
1735	unless ($self->{deny_save}) {	2058	unless ($self->{deny_save}) {
…		…
1767	$cf::MAP{$self->path} = $self;	2090	$cf::MAP{$self->path} = $self;
1768		2091
1769	$self->reset; # polite request, might not happen	2092	$self->reset; # polite request, might not happen
1770	}	2093	}
1771		2094
		2095	=item $maps = cf::map::tmp_maps
		2096
		2097	Returns an arrayref with all map paths of currently instantiated and saved
		2098	maps. May block.
		2099
		2100	=cut
		2101
		2102	sub tmp_maps() {
		2103	[
		2104	map {
		2105	utf8::decode $_;
		2106	/\.map$/
		2107	? normalise $_
		2108	: ()
		2109	} @{ aio_readdir $TMPDIR or [] }
		2110	]
		2111	}
		2112
		2113	=item $maps = cf::map::random_maps
		2114
		2115	Returns an arrayref with all map paths of currently instantiated and saved
		2116	random maps. May block.
		2117
		2118	=cut
		2119
		2120	sub random_maps() {
		2121	[
		2122	map {
		2123	utf8::decode $_;
		2124	/\.map$/
		2125	? normalise "?random/$_"
		2126	: ()
		2127	} @{ aio_readdir $RANDOMDIR or [] }
		2128	]
		2129	}
		2130
1772	=item cf::map::unique_maps	2131	=item cf::map::unique_maps
1773		2132
1774	Returns an arrayref of paths of all shared maps that have	2133	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2134	instantiated unique items. May block.
1776		2135
1777	=cut	2136	=cut
1778		2137
1779	sub unique_maps() {	2138	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2139	[
1781	or return;	2140	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2141	utf8::decode $_;
1787	next if /\.pst$/;	2142	/\.map$/
1788	next unless /^$PATH_SEP/o;	2143	? normalise $_
1789		2144	: ()
1790	push @paths, cf::map::normalise $_;	2145	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2146	]
1792
1793	\@paths
1794	}	2147	}
1795		2148
1796	package cf;	2149	package cf;
1797		2150
1798	=back	2151	=back
…		…
1844		2197
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2198	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2199
1847	if ($self->{record_replies}) {	2200	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2201	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2202
1849	} else {	2203	} else {
		2204	my $pl = $self->contr;
		2205
		2206	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2207	my $dialog = $pl->{npc_dialog};
		2208	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2209
		2210	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2211	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2212	$self->message ($msg, $flags);
		2213	}
1852	}	2214	}
		2215	}
		2216
		2217	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2218
		2219	=cut
		2220
		2221	sub cf::object::send_msg {
		2222	my $pl = shift->contr
		2223	or return;
		2224	$pl->send_msg (@_);
1853	}	2225	}
1854		2226
1855	=item $player_object->may ("access")	2227	=item $player_object->may ("access")
1856		2228
1857	Returns wether the given player is authorized to access resource "access"	2229	Returns wether the given player is authorized to access resource "access"
…		…
1936	# use -1 or undef as default coordinates, not 0, 0	2308	# use -1 or undef as default coordinates, not 0, 0
1937	($x, $y) = ($map->enter_x, $map->enter_y)	2309	($x, $y) = ($map->enter_x, $map->enter_y)
1938	if $x <=0 && $y <= 0;	2310	if $x <=0 && $y <= 0;
1939		2311
1940	$map->load;	2312	$map->load;
1941	$map->load_diag;	2313	$map->load_neighbours;
1942		2314
1943	return unless $self->contr->active;	2315	return unless $self->contr->active;
1944	$self->activate_recursive;	2316	$self->activate_recursive;
1945		2317
1946	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2318	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1947	$self->enter_map ($map, $x, $y);	2319	$self->enter_map ($map, $x, $y);
1948	}	2320	}
1949		2321
1950	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2322	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1951		2323
1952	Moves the player to the given map-path and coordinates by first freezing	2324	Moves the player to the given map-path and coordinates by first freezing
1953	her, loading and preparing them map, calling the provided $check callback	2325	her, loading and preparing them map, calling the provided $check callback
1954	that has to return the map if sucecssful, and then unfreezes the player on	2326	that has to return the map if sucecssful, and then unfreezes the player on
1955	the new (success) or old (failed) map position.	2327	the new (success) or old (failed) map position. In either case, $done will
		2328	be called at the end of this process.
1956		2329
1957	=cut	2330	=cut
1958		2331
1959	our $GOTOGEN;	2332	our $GOTOGEN;
1960		2333
1961	sub cf::object::player::goto {	2334	sub cf::object::player::goto {
1962	my ($self, $path, $x, $y, $check) = @_;	2335	my ($self, $path, $x, $y, $check, $done) = @_;
1963		2336
1964	# do generation counting so two concurrent goto's will be executed in-order	2337	# do generation counting so two concurrent goto's will be executed in-order
1965	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2338	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1966		2339
1967	$self->enter_link;	2340	$self->enter_link;
…		…
1987		2360
1988	if ($gen == $self->{_goto_generation}) {	2361	if ($gen == $self->{_goto_generation}) {
1989	delete $self->{_goto_generation};	2362	delete $self->{_goto_generation};
1990	$self->leave_link ($map, $x, $y);	2363	$self->leave_link ($map, $x, $y);
1991	}	2364	}
		2365
		2366	$done->() if $done;
1992	})->prio (1);	2367	})->prio (1);
1993	}	2368	}
1994		2369
1995	=item $player_object->enter_exit ($exit_object)	2370	=item $player_object->enter_exit ($exit_object)
1996		2371
…		…
2065	my $hp = $exit->stats->hp;	2440	my $hp = $exit->stats->hp;
2066	my $sp = $exit->stats->sp;	2441	my $sp = $exit->stats->sp;
2067		2442
2068	$self->enter_link;	2443	$self->enter_link;
2069		2444
		2445	# if exit is damned, update players death & WoR home-position
		2446	$self->contr->savebed ($slaying, $hp, $sp)
		2447	if $exit->flag (FLAG_DAMNED);
		2448
2070	(async {	2449	(async {
2071	$self->deactivate_recursive; # just to be sure	2450	$self->deactivate_recursive; # just to be sure
2072	unless (eval {	2451	unless (eval {
2073	$self->goto ($slaying, $hp, $sp);	2452	$self->goto ($slaying, $hp, $sp);
2074		2453
…		…
2101		2480
2102	utf8::encode $text;	2481	utf8::encode $text;
2103	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2482	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2104	}	2483	}
2105		2484
		2485	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2486
		2487	Send a drawinfo or msg packet to the client, formatting the msg for the
		2488	client if neccessary. C<$type> should be a string identifying the type of
		2489	the message, with C<log> being the default. If C<$color> is negative, suppress
		2490	the message unless the client supports the msg packet.
		2491
		2492	=cut
		2493
		2494	sub cf::client::send_msg {
		2495	my ($self, $channel, $msg, $color, @extra) = @_;
		2496
		2497	$msg = $self->pl->expand_cfpod ($msg);
		2498
		2499	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2500
		2501	if (ref $channel) {
		2502	# send meta info to client, if not yet sent
		2503	unless (exists $self->{channel}{$channel->{id}}) {
		2504	$self->{channel}{$channel->{id}} = $channel;
		2505	$self->ext_msg (channel_info => $channel);
		2506	}
		2507
		2508	$channel = $channel->{id};
		2509	}
		2510
		2511	return unless @extra || length $msg;
		2512
		2513	if ($self->can_msg) {
		2514	# default colour, mask it out
		2515	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2516	if $color & cf::NDI_DEF;
		2517
		2518	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2519	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2520	} else {
		2521	if ($color >= 0) {
		2522	# replace some tags by gcfclient-compatible ones
		2523	for ($msg) {
		2524	1 while
		2525	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2526	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2527	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2528	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2529	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2530	}
		2531
		2532	$color &= cf::NDI_COLOR_MASK;
		2533
		2534	utf8::encode $msg;
		2535
		2536	if (0 && $msg =~ /\[/) {
		2537	# COMMAND/INFO
		2538	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2539	} else {
		2540	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2541	$self->send_packet ("drawinfo $color $msg")
		2542	}
		2543	}
		2544	}
		2545	}
		2546
2106	=item $client->ext_event ($type, %msg)	2547	=item $client->ext_msg ($type, @msg)
2107		2548
2108	Sends an exti event to the client.	2549	Sends an ext event to the client.
2109		2550
2110	=cut	2551	=cut
2111		2552
2112	sub cf::client::ext_event($$%) {	2553	sub cf::client::ext_msg($$@) {
2113	my ($self, $type, %msg) = @_;	2554	my ($self, $type, @msg) = @_;
2114		2555
		2556	my $extcmd = $self->extcmd;
		2557
		2558	if ($extcmd == 2) {
		2559	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2560	} elsif ($extcmd == 1) { # TODO: remove
2115	$msg{msgtype} = "event_$type";	2561	push @msg, msgtype => "event_$type";
2116	$self->send_packet ("ext " . cf::to_json \%msg);	2562	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2563	}
		2564	}
		2565
		2566	=item $client->ext_reply ($msgid, @msg)
		2567
		2568	Sends an ext reply to the client.
		2569
		2570	=cut
		2571
		2572	sub cf::client::ext_reply($$@) {
		2573	my ($self, $id, @msg) = @_;
		2574
		2575	if ($self->extcmd == 2) {
		2576	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2577	} elsif ($self->ns->extcmd == 1) {
		2578	#TODO: version 1, remove
		2579	unshift @msg, msgtype => "reply", msgid => $id;
		2580	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2581	}
2117	}	2582	}
2118		2583
2119	=item $success = $client->query ($flags, "text", \&cb)	2584	=item $success = $client->query ($flags, "text", \&cb)
2120		2585
2121	Queues a query to the client, calling the given callback with	2586	Queues a query to the client, calling the given callback with
2122	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2587	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2123	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2588	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2124		2589
2125	Queries can fail, so check the return code. Or don't, as queries will become	2590	Queries can fail, so check the return code. Or don't, as queries will
2126	reliable at some point in the future.	2591	become reliable at some point in the future.
2127		2592
2128	=cut	2593	=cut
2129		2594
2130	sub cf::client::query {	2595	sub cf::client::query {
2131	my ($self, $flags, $text, $cb) = @_;	2596	my ($self, $flags, $text, $cb) = @_;
…		…
2139	utf8::encode $text;	2604	utf8::encode $text;
2140	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2605	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2141		2606
2142	$self->send_packet ($self->{query_queue}[0][0])	2607	$self->send_packet ($self->{query_queue}[0][0])
2143	if @{ $self->{query_queue} } == 1;	2608	if @{ $self->{query_queue} } == 1;
		2609
		2610	1
2144	}	2611	}
2145		2612
2146	cf::client->attach (	2613	cf::client->attach (
		2614	on_connect => sub {
		2615	my ($ns) = @_;
		2616
		2617	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2618	},
2147	on_reply => sub {	2619	on_reply => sub {
2148	my ($ns, $msg) = @_;	2620	my ($ns, $msg) = @_;
2149		2621
2150	# this weird shuffling is so that direct followup queries	2622	# this weird shuffling is so that direct followup queries
2151	# get handled first	2623	# get handled first
…		…
2163	} else {	2635	} else {
2164	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2636	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2165	}	2637	}
2166	}	2638	}
2167	},	2639	},
		2640	on_exticmd => sub {
		2641	my ($ns, $buf) = @_;
		2642
		2643	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2644
		2645	if (ref $msg) {
		2646	my ($type, $reply, @payload) =
		2647	"ARRAY" eq ref $msg
		2648	? @$msg
		2649	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2650
		2651	if (my $cb = $EXTICMD{$type}) {
		2652	my @reply = $cb->($ns, @payload);
		2653
		2654	$ns->ext_reply ($reply, @reply)
		2655	if $reply;
		2656	}
		2657	} else {
		2658	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2659	}
		2660
		2661	cf::override;
		2662	},
2168	);	2663	);
2169		2664
2170	=item $client->async (\&cb)	2665	=item $client->async (\&cb)
2171		2666
2172	Create a new coroutine, running the specified callback. The coroutine will	2667	Create a new coroutine, running the specified callback. The coroutine will
…		…
2213	our $safe = new Safe "safe";	2708	our $safe = new Safe "safe";
2214	our $safe_hole = new Safe::Hole;	2709	our $safe_hole = new Safe::Hole;
2215		2710
2216	$SIG{FPE} = 'IGNORE';	2711	$SIG{FPE} = 'IGNORE';
2217		2712
2218	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2713	$safe->permit_only (Opcode::opset qw(
		2714	:base_core :base_mem :base_orig :base_math
		2715	grepstart grepwhile mapstart mapwhile
		2716	sort time
		2717	));
2219		2718
2220	# here we export the classes and methods available to script code	2719	# here we export the classes and methods available to script code
2221		2720
2222	=pod	2721	=pod
2223		2722
2224	The following functions and methods are available within a safe environment:	2723	The following functions and methods are available within a safe environment:
2225		2724
2226	cf::object contr pay_amount pay_player map	2725	cf::object
		2726	contr pay_amount pay_player map x y force_find force_add
		2727	insert remove name archname title slaying race
		2728
2227	cf::object::player player	2729	cf::object::player
2228	cf::player peaceful	2730	player
2229	cf::map trigger	2731
		2732	cf::player
		2733	peaceful
		2734
		2735	cf::map
		2736	trigger
2230		2737
2231	=cut	2738	=cut
2232		2739
2233	for (	2740	for (
2234	["cf::object" => qw(contr pay_amount pay_player map)],	2741	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2742	insert remove inv name archname title slaying race)],
2235	["cf::object::player" => qw(player)],	2743	["cf::object::player" => qw(player)],
2236	["cf::player" => qw(peaceful)],	2744	["cf::player" => qw(peaceful)],
2237	["cf::map" => qw(trigger)],	2745	["cf::map" => qw(trigger)],
2238	) {	2746	) {
2239	no strict 'refs';	2747	no strict 'refs';
…		…
2310	=back	2818	=back
2311		2819
2312	=cut	2820	=cut
2313		2821
2314	#############################################################################	2822	#############################################################################
2315
2316	=head2 EXTENSION DATABASE SUPPORT
2317
2318	Crossfire maintains a very simple database for extension use. It can
2319	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2320	convert to/from binary).
2321
2322	The parameter C<$family> should best start with the name of the extension
2323	using it, it should be unique.
2324
2325	=over 4
2326
2327	=item $value = cf::db_get $family => $key
2328
2329	Returns a single value from the database.
2330
2331	=item cf::db_put $family => $key => $value
2332
2333	Stores the given C<$value> in the family.
2334
2335	=cut
2336
2337	our $DB;
2338
2339	sub db_init {
2340	unless ($DB) {
2341	$DB = BDB::db_create $DB_ENV;
2342
2343	cf::sync_job {
2344	eval {
2345	$DB->set_flags (BDB::CHKSUM);
2346
2347	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2348	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2349	cf::cleanup "db_open(db): $!" if $!;
2350	};
2351	cf::cleanup "db_open(db): $@" if $@;
2352	};
2353	}
2354	}
2355
2356	sub db_get($$) {
2357	my $key = "$_[0]/$_[1]";
2358
2359	cf::sync_job {
2360	BDB::db_get $DB, undef, $key, my $data;
2361
2362	$! ? ()
2363	: $data
2364	}
2365	}
2366
2367	sub db_put($$$) {
2368	BDB::dbreq_pri 4;
2369	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2370	}
2371
2372	=item cf::cache $id => [$paths...], $processversion => $process
2373
2374	Generic caching function that returns the value of the resource $id,
2375	caching and regenerating as required.
2376
2377	This function can block.
2378
2379	=cut
2380
2381	sub cache {
2382	my ($id, $src, $processversion, $process) = @_;
2383
2384	my $meta =
2385	join "\x00",
2386	$processversion,
2387	map {
2388	aio_stat $_
2389	and Carp::croak "$_: $!";
2390
2391	($_, (stat _)[7,9])
2392	} @$src;
2393
2394	my $dbmeta = db_get cache => "$id/meta";
2395	if ($dbmeta ne $meta) {
2396	# changed, we may need to process
2397
2398	my @data;
2399	my $md5;
2400
2401	for (0 .. $#$src) {
2402	0 <= aio_load $src->[$_], $data[$_]
2403	or Carp::croak "$src->[$_]: $!";
2404	}
2405
2406	# if processing is expensive, check
2407	# checksum first
2408	if (1) {
2409	$md5 =
2410	join "\x00",
2411	$processversion,
2412	map {
2413	Coro::cede;
2414	($src->[$_], Digest::MD5::md5_hex $data[$_])
2415	} 0.. $#$src;
2416
2417
2418	my $dbmd5 = db_get cache => "$id/md5";
2419	if ($dbmd5 eq $md5) {
2420	db_put cache => "$id/meta", $meta;
2421
2422	return db_get cache => "$id/data";
2423	}
2424	}
2425
2426	my $t1 = Time::HiRes::time;
2427	my $data = $process->(\@data);
2428	my $t2 = Time::HiRes::time;
2429
2430	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2431
2432	db_put cache => "$id/data", $data;
2433	db_put cache => "$id/md5" , $md5;
2434	db_put cache => "$id/meta", $meta;
2435
2436	return $data;
2437	}
2438
2439	db_get cache => "$id/data"
2440	}
2441
2442	=item fork_call { }, $args
2443
2444	Executes the given code block with the given arguments in a seperate
2445	process, returning the results. Everything must be serialisable with
2446	Coro::Storable. May, of course, block. Note that the executed sub may
2447	never block itself or use any form of Event handling.
2448
2449	=cut
2450
2451	sub fork_call(&@) {
2452	my ($cb, @args) = @_;
2453
2454	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2455	# or die "socketpair: $!";
2456	pipe my $fh1, my $fh2
2457	or die "pipe: $!";
2458
2459	if (my $pid = fork) {
2460	close $fh2;
2461
2462	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2463	$res = Coro::Storable::thaw $res;
2464
2465	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2466
2467	die $$res unless "ARRAY" eq ref $res;
2468
2469	return wantarray ? @$res : $res->[-1];
2470	} else {
2471	reset_signals;
2472	local $SIG{__WARN__};
2473	local $SIG{__DIE__};
2474	eval {
2475	close $fh1;
2476
2477	my @res = eval { $cb->(@args) };
2478	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2479	};
2480
2481	warn $@ if $@;
2482	_exit 0;
2483	}
2484	}
2485
2486
2487
2488	#############################################################################
2489	# the server's init and main functions	2823	# the server's init and main functions
2490		2824
2491	sub load_facedata($) {	2825	sub load_facedata($) {
2492	my ($path) = @_;	2826	my ($path) = @_;
		2827
		2828	my $enc = JSON::XS->new->utf8->canonical;
2493		2829
2494	warn "loading facedata from $path\n";	2830	warn "loading facedata from $path\n";
2495		2831
2496	my $facedata;	2832	my $facedata;
2497	0 < aio_load $path, $facedata	2833	0 < aio_load $path, $facedata
…		…
2500	$facedata = Coro::Storable::thaw $facedata;	2836	$facedata = Coro::Storable::thaw $facedata;
2501		2837
2502	$facedata->{version} == 2	2838	$facedata->{version} == 2
2503	or cf::cleanup "$path: version mismatch, cannot proceed.";	2839	or cf::cleanup "$path: version mismatch, cannot proceed.";
2504		2840
		2841	# patch in the exptable
		2842	$facedata->{resource}{"res/exp_table"} = {
		2843	type => FT_RSRC,
		2844	data => $enc->encode ([map cf::level_to_min_exp $_, 0 .. cf::settings->max_level]),
		2845	};
		2846	cf::cede_to_tick;
		2847
2505	{	2848	{
2506	my $faces = $facedata->{faceinfo};	2849	my $faces = $facedata->{faceinfo};
2507		2850
2508	while (my ($face, $info) = each %$faces) {	2851	while (my ($face, $info) = each %$faces) {
2509	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2852	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2510	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2853	cf::face::set_visibility $idx, $info->{visibility};
		2854	cf::face::set_magicmap $idx, $info->{magicmap};
2511	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2855	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2512	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2856	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2513	Coro::cede;	2857
		2858	cf::cede_to_tick;
2514	}	2859	}
2515		2860
2516	while (my ($face, $info) = each %$faces) {	2861	while (my ($face, $info) = each %$faces) {
2517	next unless $info->{smooth};	2862	next unless $info->{smooth};
2518	my $idx = cf::face::find $face	2863	my $idx = cf::face::find $face
2519	or next;	2864	or next;
2520	if (my $smooth = cf::face::find $info->{smooth}) {	2865	if (my $smooth = cf::face::find $info->{smooth}) {
		2866	cf::face::set_smooth $idx, $smooth;
2521	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2867	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2522	} else {	2868	} else {
2523	warn "smooth face '$info->{smooth}' not found for face '$face'";	2869	warn "smooth face '$info->{smooth}' not found for face '$face'";
2524	}	2870	}
2525	Coro::cede;	2871
		2872	cf::cede_to_tick;
2526	}	2873	}
2527	}	2874	}
2528		2875
2529	{	2876	{
2530	my $anims = $facedata->{animinfo};	2877	my $anims = $facedata->{animinfo};
2531		2878
2532	while (my ($anim, $info) = each %$anims) {	2879	while (my ($anim, $info) = each %$anims) {
2533	cf::anim::set $anim, $info->{frames}, $info->{facings};	2880	cf::anim::set $anim, $info->{frames}, $info->{facings};
2534	Coro::cede;	2881	cf::cede_to_tick;
2535	}	2882	}
2536		2883
2537	cf::anim::invalidate_all; # d'oh	2884	cf::anim::invalidate_all; # d'oh
2538	}	2885	}
2539		2886
		2887	{
		2888	# TODO: for gcfclient pleasure, we should give resources
		2889	# that gcfclient doesn't grok a >10000 face index.
		2890	my $res = $facedata->{resource};
		2891
		2892	my $soundconf = delete $res->{"res/sound.conf"};
		2893
		2894	while (my ($name, $info) = each %$res) {
		2895	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2896	my $data;
		2897
		2898	if ($info->{type} & 1) {
		2899	# prepend meta info
		2900
		2901	my $meta = $enc->encode ({
		2902	name => $name,
		2903	%{ $info->{meta} || {} },
		2904	});
		2905
		2906	$data = pack "(w/a*)*", $meta, $info->{data};
		2907	}
		2908
		2909	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2910	cf::face::set_type $idx, $info->{type};
		2911
		2912	cf::cede_to_tick;
		2913	}
		2914
		2915	if ($soundconf) {
		2916	$soundconf = $enc->decode (delete $soundconf->{data});
		2917
		2918	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2919	my $sound = $soundconf->{compat}[$_]
		2920	or next;
		2921
		2922	my $face = cf::face::find "sound/$sound->[1]";
		2923	cf::sound::set $sound->[0] => $face;
		2924	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2925	}
		2926
		2927	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2928	my $face = cf::face::find "sound/$v";
		2929	cf::sound::set $k => $face;
		2930	}
		2931	}
		2932	}
		2933
2540	1	2934	1
2541	}	2935	}
		2936
		2937	register_exticmd fx_want => sub {
		2938	my ($ns, $want) = @_;
		2939
		2940	while (my ($k, $v) = each %$want) {
		2941	$ns->fx_want ($k, $v);
		2942	}
		2943	};
2542		2944
2543	sub reload_regions {	2945	sub reload_regions {
2544	load_resource_file "$MAPDIR/regions"	2946	load_resource_file "$MAPDIR/regions"
2545	or die "unable to load regions file\n";	2947	or die "unable to load regions file\n";
		2948
		2949	for (cf::region::list) {
		2950	$_->{match} = qr/$_->{match}/
		2951	if exists $_->{match};
		2952	}
2546	}	2953	}
2547		2954
2548	sub reload_facedata {	2955	sub reload_facedata {
2549	load_facedata "$DATADIR/facedata"	2956	load_facedata "$DATADIR/facedata"
2550	or die "unable to load facedata\n";	2957	or die "unable to load facedata\n";
2551	}	2958	}
2552		2959
2553	sub reload_archetypes {	2960	sub reload_archetypes {
2554	load_resource_file "$DATADIR/archetypes"	2961	load_resource_file "$DATADIR/archetypes"
2555	or die "unable to load archetypes\n";	2962	or die "unable to load archetypes\n";
		2963	#d# NEED to laod twice to resolve forward references
		2964	# this really needs to be done in an extra post-pass
		2965	# (which needs to be synchronous, so solve it differently)
		2966	load_resource_file "$DATADIR/archetypes"
		2967	or die "unable to load archetypes\n";
2556	}	2968	}
2557		2969
2558	sub reload_treasures {	2970	sub reload_treasures {
2559	load_resource_file "$DATADIR/treasures"	2971	load_resource_file "$DATADIR/treasures"
2560	or die "unable to load treasurelists\n";	2972	or die "unable to load treasurelists\n";
…		…
2563	sub reload_resources {	2975	sub reload_resources {
2564	warn "reloading resource files...\n";	2976	warn "reloading resource files...\n";
2565		2977
2566	reload_regions;	2978	reload_regions;
2567	reload_facedata;	2979	reload_facedata;
		2980	#reload_archetypes;#d#
2568	reload_archetypes;	2981	reload_archetypes;
2569	reload_treasures;	2982	reload_treasures;
2570		2983
2571	warn "finished reloading resource files\n";	2984	warn "finished reloading resource files\n";
2572	}	2985	}
…		…
2629	},	3042	},
2630	);	3043	);
2631	}	3044	}
2632	}	3045	}
2633		3046
		3047	sub write_runtime {
		3048	my $runtime = "$LOCALDIR/runtime";
		3049
		3050	# first touch the runtime file to show we are still running:
		3051	# the fsync below can take a very very long time.
		3052
		3053	IO::AIO::aio_utime $runtime, undef, undef;
		3054
		3055	my $guard = cf::lock_acquire "write_runtime";
		3056
		3057	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3058	or return;
		3059
		3060	my $value = $cf::RUNTIME + 90 + 10;
		3061	# 10 is the runtime save interval, for a monotonic clock
		3062	# 60 allows for the watchdog to kill the server.
		3063
		3064	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3065	and return;
		3066
		3067	# always fsync - this file is important
		3068	aio_fsync $fh
		3069	and return;
		3070
		3071	# touch it again to show we are up-to-date
		3072	aio_utime $fh, undef, undef;
		3073
		3074	close $fh
		3075	or return;
		3076
		3077	aio_rename "$runtime~", $runtime
		3078	and return;
		3079
		3080	warn "runtime file written.\n";
		3081
		3082	1
		3083	}
		3084
2634	sub emergency_save() {	3085	sub emergency_save() {
2635	my $freeze_guard = cf::freeze_mainloop;	3086	my $freeze_guard = cf::freeze_mainloop;
2636		3087
2637	warn "enter emergency perl save\n";	3088	warn "enter emergency perl save\n";
2638		3089
…		…
2713	%EXT_CORO = ();	3164	%EXT_CORO = ();
2714		3165
2715	warn "removing commands";	3166	warn "removing commands";
2716	%COMMAND = ();	3167	%COMMAND = ();
2717		3168
2718	warn "removing ext commands";	3169	warn "removing ext/exti commands";
2719	%EXTCMD = ();	3170	%EXTCMD = ();
		3171	%EXTICMD = ();
2720		3172
2721	warn "unloading/nuking all extensions";	3173	warn "unloading/nuking all extensions";
2722	for my $pkg (@EXTS) {	3174	for my $pkg (@EXTS) {
2723	warn "... unloading $pkg";	3175	warn "... unloading $pkg";
2724		3176

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