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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.275 by root, Thu Jun 7 19:12:22 2007 UTC vs.
Revision 1.347 by root, Thu Aug 30 05:16:09 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 {
…		…
206	}	216	}
207		217
208	$Event::DIED = sub {	218	$Event::DIED = sub {
209	warn "error in event callback: @_";	219	warn "error in event callback: @_";
210	};	220	};
		221
		222	#############################################################################
211		223
212	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
213		225
214	=over 4	226	=over 4
215		227
…		…
234	$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;
235	$d	247	$d
236	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
237	}	249	}
238		250
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
242		252
243	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
244		254
245	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
246		256
247	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]) }
248		265
249	=item cf::lock_wait $string	266	=item cf::lock_wait $string
250		267
251	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
252		269
…		…
254		271
255	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
258	returned.	275	returned.
		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
259		279
260	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
262		282
263	=item $locked = cf::lock_active $string	283	=item $locked = cf::lock_active $string
…		…
306	};	326	};
307	$TICK_WATCHER->stop;	327	$TICK_WATCHER->stop;
308	$guard	328	$guard
309	}	329	}
310		330
		331	=item cf::get_slot $time[, $priority[, $name]]
		332
		333	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		334	This call blocks and returns only when you have at least C<$time> seconds
		335	of cpu time till the next tick. The slot is only valid till the next cede.
		336
		337	The optional C<$name> can be used to identify the job to run. It might be
		338	used for statistical purposes and should identify the same time-class.
		339
		340	Useful for short background jobs.
		341
		342	=cut
		343
		344	our @SLOT_QUEUE;
		345	our $SLOT_QUEUE;
		346
		347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		348	$SLOT_QUEUE = Coro::async {
		349	my $signal = new Coro::Signal;
		350
		351	while () {
		352	next_job:
		353	my $avail = cf::till_tick;
		354	if ($avail > 0.01) {
		355	for (0 .. $#SLOT_QUEUE) {
		356	if ($SLOT_QUEUE[$_][0] < $avail) {
		357	my $job = splice @SLOT_QUEUE, $_, 1, ();
		358	$job->[2]->send;
		359	Coro::cede;
		360	goto next_job;
		361	}
		362	}
		363	}
		364
		365	if (@SLOT_QUEUE) {
		366	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		367	push @cf::WAIT_FOR_TICK, $signal;
		368	$signal->wait;
		369	} else {
		370	Coro::schedule;
		371	}
		372	}
		373	};
		374
		375	sub get_slot($;$$) {
		376	my ($time, $pri, $name) = @_;
		377
		378	$time = $TICK * .6 if $time > $TICK * .6;
		379	my $sig = new Coro::Signal;
		380
		381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		383	$SLOT_QUEUE->ready;
		384	$sig->wait;
		385	}
		386
311	=item cf::async { BLOCK }	387	=item cf::async { BLOCK }
312		388
313	Currently the same as Coro::async_pool, meaning you cannot use	389	Currently the same as Coro::async_pool, meaning you cannot use
314	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	390	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
315	thing you are allowed to do is call C<prio> on it.	391	thing you are allowed to do is call C<prio> on it.
…		…
318		394
319	BEGIN { *async = \&Coro::async_pool }	395	BEGIN { *async = \&Coro::async_pool }
320		396
321	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
322		398
323	The design of crossfire+ requires that the main coro ($Coro::main) is	399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	400	is always able to handle events or runnable, as Crossfire TRT is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		402	acceptable.
326		403
327	If it must be done, put the blocking parts into C<sync_job>. This will run	404	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	405	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	406	server will be frozen during this time, so the block should either finish
330	fast or be very important.	407	fast or be very important.
…		…
390	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
391		468
392	$coro	469	$coro
393	}	470	}
394		471
395	sub write_runtime {	472	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		473
398	# first touch the runtime file to show we are still running:	474	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	475	process, returning the results. Everything must be serialisable with
		476	Coro::Storable. May, of course, block. Note that the executed sub may
		477	never block itself or use any form of Event handling.
400		478
401	IO::AIO::aio_utime $runtime, undef, undef;	479	=cut
402		480
403	my $guard = cf::lock_acquire "write_runtime";	481	sub fork_call(&@) {
		482	my ($cb, @args) = @_;
404		483
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	484	# we seemingly have to make a local copy of the whole thing,
406	or return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (liekly this will be rather laborious)
407		487
408	my $value = $cf::RUNTIME + 90 + 10;	488	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	489	reset_signals;
410	# 60 allows for the watchdog to kill the server.	490	&$cb
		491	}, @args;
411		492
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	493	wantarray ? @res : $res[-1]
413	and return;	494	}
414		495
415	# always fsync - this file is important	496	=item $value = cf::db_get $family => $key
416	aio_fsync $fh
417	and return;
418		497
419	# touch it again to show we are up-to-date	498	Returns a single value from the environment database.
420	aio_utime $fh, undef, undef;
421		499
422	close $fh	500	=item cf::db_put $family => $key => $value
423	or return;
424		501
425	aio_rename "$runtime~", $runtime	502	Stores the given C<$value> in the family. It can currently store binary
426	and return;	503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
427		504
428	warn "runtime file written.\n";	505	=cut
429		506
		507	our $DB;
		508
		509	sub db_init {
		510	unless ($DB) {
		511	$DB = BDB::db_create $DB_ENV;
		512
		513	cf::sync_job {
		514	eval {
		515	$DB->set_flags (BDB::CHKSUM);
		516
		517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		519	cf::cleanup "db_open(db): $!" if $!;
		520	};
		521	cf::cleanup "db_open(db): $@" if $@;
		522	};
430	1	523	}
		524	}
		525
		526	sub db_get($$) {
		527	my $key = "$_[0]/$_[1]";
		528
		529	cf::sync_job {
		530	BDB::db_get $DB, undef, $key, my $data;
		531
		532	$! ? ()
		533	: $data
		534	}
		535	}
		536
		537	sub db_put($$$) {
		538	BDB::dbreq_pri 4;
		539	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		540	}
		541
		542	=item cf::cache $id => [$paths...], $processversion => $process
		543
		544	Generic caching function that returns the value of the resource $id,
		545	caching and regenerating as required.
		546
		547	This function can block.
		548
		549	=cut
		550
		551	sub cache {
		552	my ($id, $src, $processversion, $process) = @_;
		553
		554	my $meta =
		555	join "\x00",
		556	$processversion,
		557	map {
		558	aio_stat $_
		559	and Carp::croak "$_: $!";
		560
		561	($_, (stat _)[7,9])
		562	} @$src;
		563
		564	my $dbmeta = db_get cache => "$id/meta";
		565	if ($dbmeta ne $meta) {
		566	# changed, we may need to process
		567
		568	my @data;
		569	my $md5;
		570
		571	for (0 .. $#$src) {
		572	0 <= aio_load $src->[$_], $data[$_]
		573	or Carp::croak "$src->[$_]: $!";
		574	}
		575
		576	# if processing is expensive, check
		577	# checksum first
		578	if (1) {
		579	$md5 =
		580	join "\x00",
		581	$processversion,
		582	map {
		583	cf::cede_to_tick;
		584	($src->[$_], Digest::MD5::md5_hex $data[$_])
		585	} 0.. $#$src;
		586
		587
		588	my $dbmd5 = db_get cache => "$id/md5";
		589	if ($dbmd5 eq $md5) {
		590	db_put cache => "$id/meta", $meta;
		591
		592	return db_get cache => "$id/data";
		593	}
		594	}
		595
		596	my $t1 = Time::HiRes::time;
		597	my $data = $process->(\@data);
		598	my $t2 = Time::HiRes::time;
		599
		600	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		601
		602	db_put cache => "$id/data", $data;
		603	db_put cache => "$id/md5" , $md5;
		604	db_put cache => "$id/meta", $meta;
		605
		606	return $data;
		607	}
		608
		609	db_get cache => "$id/data"
431	}	610	}
432		611
433	=item cf::datalog type => key => value, ...	612	=item cf::datalog type => key => value, ...
434		613
435	Log a datalog packet of the given type with the given key-value pairs.	614	Log a datalog packet of the given type with the given key-value pairs.
…		…
453	attach callbacks/event handlers (a collection of which is called an "attachment")	632	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
455		634
456	In the following description, CLASS can be any of C<global>, C<object>	635	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	636	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	637	Crossfire TRT).
459		638
460	=over 4	639	=over 4
461		640
462	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
463		642
…		…
665	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
666	}	845	}
667		846
668	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
669	} else {	848	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	850	}
672		851
673	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
674	}	853	}
675		854
…		…
715	";	894	";
716	die if $@;	895	die if $@;
717	}	896	}
718		897
719	our $override;	898	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	899	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		900
722	sub override {	901	sub override {
723	$override = 1;	902	$override = 1;
724	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
725	}	904	}
726		905
727	sub do_invoke {	906	sub do_invoke {
728	my $event = shift;	907	my $event = shift;
729	my $callbacks = shift;	908	my $callbacks = shift;
730		909
731	@invoke_results = ();	910	@INVOKE_RESULTS = ();
732		911
733	local $override;	912	local $override;
734		913
735	for (@$callbacks) {	914	for (@$callbacks) {
736	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
753		932
754	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
755		934
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	935	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	936	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		938
760	=back	939	=back
761		940
762	=cut	941	=cut
763		942
764	#############################################################################	943	#############################################################################
765	# object support	944	# object support
		945	#
		946
		947	sub _can_merge {
		948	my ($ob1, $ob2) = @_;
		949
		950	local $Storable::canonical = 1;
		951	my $fob1 = Storable::freeze $ob1;
		952	my $fob2 = Storable::freeze $ob2;
		953
		954	$fob1 eq $fob2
		955	}
766		956
767	sub reattach {	957	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	959	my ($obj) = @_;
770		960
…		…
877	warn sprintf "loading %s (%d)\n",	1067	warn sprintf "loading %s (%d)\n",
878	$filename, length $data, scalar @{$av || []};	1068	$filename, length $data, scalar @{$av || []};
879	return ($data, $av);	1069	return ($data, $av);
880	}	1070	}
881		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
		1077
882	#############################################################################	1078	#############################################################################
883	# command handling &c	1079	# command handling &c
884		1080
885	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
886		1082
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1095	}
900		1096
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1098
903	Register a callbackf ro execution when the client sends an extcmd packet.	1099	Register a callback for execution when the client sends an (synchronous)
		1100	extcmd packet. Ext commands will be processed in the order they are
		1101	received by the server, like other user commands. The first argument is
		1102	the logged-in player. Ext commands can only be processed after a player
		1103	has logged in successfully.
904		1104
905	If the callback returns something, it is sent back as if reply was being	1105	If the callback returns something, it is sent back as if reply was being
906	called.	1106	called.
907		1107
		1108	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1109
		1110	Register a callback for execution when the client sends an (asynchronous)
		1111	exticmd packet. Exti commands are processed by the server as soon as they
		1112	are received, i.e. out of order w.r.t. other commands. The first argument
		1113	is a client socket. Exti commands can be received anytime, even before
		1114	log-in.
		1115
		1116	If the callback returns something, it is sent back as if reply was being
		1117	called.
		1118
908	=cut	1119	=cut
909		1120
910	sub register_extcmd {	1121	sub register_extcmd {
911	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
912		1123
913	$EXTCMD{$name} = $cb;	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
914	}	1131	}
915		1132
916	cf::player->attach (	1133	cf::player->attach (
917	on_command => sub {	1134	on_command => sub {
918	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1144	cf::override;
928	},	1145	},
929	on_extcmd => sub {	1146	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
931		1148
932	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1150
934	if (ref $msg) {	1151	if (ref $msg) {
		1152	my ($type, $reply, @payload) =
		1153	"ARRAY" eq ref $msg
		1154	? @$msg
		1155	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1156
		1157	my @reply;
		1158
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
940	} else {	1166	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1168	}
943		1169
944	cf::override;	1170	cf::override;
945	},	1171	},
946	);	1172	);
947		1173
948	sub load_extension {
949	my ($path) = @_;
950
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
952	my $base = $1;
953	my $pkg = $1;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}
976	die $@;
977	}
978
979	push @EXTS, $pkg;
980	}
981
982	sub load_extensions {	1174	sub load_extensions {
		1175	cf::sync_job {
		1176	my %todo;
		1177
983	for my $ext (<$LIBDIR/*.ext>) {	1178	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1179	next unless -r $path;
985	eval {	1180
986	load_extension $ext;	1181	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1182	my $base = $1;
		1183	my $pkg = $1;
		1184	$pkg =~ s/[^[:word:]]/_/g;
		1185	$pkg = "ext::$pkg";
		1186
		1187	open my $fh, "<:utf8", $path
		1188	or die "$path: $!";
		1189
		1190	my $source = do { local $/; <$fh> };
		1191
		1192	my %ext = (
		1193	path => $path,
		1194	base => $base,
		1195	pkg => $pkg,
		1196	);
		1197
		1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1200
		1201	$ext{source} =
		1202	"package $pkg; use strict; use utf8;\n"
		1203	. "#line 1 \"$path\"\n{\n"
		1204	. $source
		1205	. "\n};\n1";
		1206
		1207	$todo{$base} = \%ext;
		1208	}
		1209
		1210	my %done;
		1211	while (%todo) {
		1212	my $progress;
		1213
		1214	while (my ($k, $v) = each %todo) {
		1215	for (split /,\s*/, $v->{meta}{depends}) {
		1216	goto skip
		1217	unless exists $done{$_};
		1218	}
		1219
		1220	warn "... loading '$k' into '$v->{pkg}'\n";
		1221
		1222	unless (eval $v->{source}) {
		1223	my $msg = $@ ? "$v->{path}: $@\n"
		1224	: "$v->{base}: extension inactive.\n";
		1225
		1226	if (exists $v->{meta}{mandatory}) {
		1227	warn $msg;
		1228	warn "mandatory extension failed to load, exiting.\n";
		1229	exit 1;
		1230	}
		1231
		1232	warn $msg;
		1233	}
		1234
		1235	$done{$k} = delete $todo{$k};
		1236	push @EXTS, $v->{pkg};
		1237	$progress = 1;
987	1	1238	}
988	} or warn "$ext not loaded: $@";	1239
		1240	skip:
		1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1242	unless $progress;
		1243	}
989	}	1244	};
990	}	1245	}
991		1246
992	#############################################################################	1247	#############################################################################
		1248
		1249	=back
993		1250
994	=head2 CORE EXTENSIONS	1251	=head2 CORE EXTENSIONS
995		1252
996	Functions and methods that extend core crossfire objects.	1253	Functions and methods that extend core crossfire objects.
997		1254
…		…
1068		1325
1069	aio_mkdir playerdir $pl, 0770;	1326	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1327	$pl->{last_save} = $cf::RUNTIME;
1071		1328
1072	$pl->save_pl ($path);	1329	$pl->save_pl ($path);
1073	Coro::cede;	1330	cf::cede_to_tick;
1074	}	1331	}
1075		1332
1076	sub new($) {	1333	sub new($) {
1077	my ($login) = @_;	1334	my ($login) = @_;
1078		1335
…		…
1082	$self->{deny_save} = 1;	1339	$self->{deny_save} = 1;
1083		1340
1084	$cf::PLAYER{$login} = $self;	1341	$cf::PLAYER{$login} = $self;
1085		1342
1086	$self	1343	$self
		1344	}
		1345
		1346	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1347
		1348	=cut
		1349
		1350	sub send_msg {
		1351	my $ns = shift->ns
		1352	or return;
		1353	$ns->send_msg (@_);
1087	}	1354	}
1088		1355
1089	=item $pl->quit_character	1356	=item $pl->quit_character
1090		1357
1091	Nukes the player without looking back. If logged in, the connection will	1358	Nukes the player without looking back. If logged in, the connection will
…		…
1185	}	1452	}
1186		1453
1187	\@paths	1454	\@paths
1188	}	1455	}
1189		1456
		1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1458
		1459	Expand crossfire pod fragments into protocol xml.
		1460
		1461	=cut
		1462
		1463	sub expand_cfpod {
		1464	((my $self), (local $_)) = @_;
		1465
		1466	# escape & and <
		1467	s/&/&amp;/g;
		1468	s/(?<![BIUGH])</&lt;/g;
		1469
		1470	# this is buggy, it needs to properly take care of nested <'s
		1471
		1472	1 while
		1473	# replace B<>, I<>, U<> etc.
		1474	s/B<([^\>]*)>/<b>$1<\/b>/
		1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1477	# replace G<male|female> tags
		1478	|| s{G<([^>|]*)\|([^>]*)>}{
		1479	$self->gender ? $2 : $1
		1480	}ge
		1481	# replace H<hint text>
		1482	|| s{H<([^\>]*)>}
		1483	{
		1484	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1485	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1486	"")
		1487	[$self->{hintmode}]
		1488	}ge;
		1489
		1490	# create single paragraphs (very hackish)
		1491	s/(?<=\S)\n(?=\w)/ /g;
		1492
		1493	# compress some whitespace
		1494	s/\s+\n/\n/g; # ws line-ends
		1495	s/\n\n+/\n/g; # double lines
		1496	s/^\n+//; # beginning lines
		1497	s/\n+$//; # ending lines
		1498
		1499	$_
		1500	}
		1501
		1502	sub hintmode {
		1503	$_[0]{hintmode} = $_[1] if @_ > 1;
		1504	$_[0]{hintmode}
		1505	}
		1506
1190	=item $player->ext_reply ($msgid, %msg)	1507	=item $player->ext_reply ($msgid, @msg)
1191		1508
1192	Sends an ext reply to the player.	1509	Sends an ext reply to the player.
1193		1510
1194	=cut	1511	=cut
1195		1512
1196	sub ext_reply($$%) {	1513	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1514	my ($self, $id, @msg) = @_;
1198		1515
1199	$msg{msgid} = $id;	1516	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1517	}
1203		1518
1204	=item $player->ext_event ($type, %msg)	1519	=item $player->ext_msg ($type, @msg)
1205		1520
1206	Sends an ext event to the client.	1521	Sends an ext event to the client.
1207		1522
1208	=cut	1523	=cut
1209		1524
1210	sub ext_event($$%) {	1525	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1526	my ($self, $type, @msg) = @_;
1212		1527
1213	$self->ns->ext_event ($type, %msg);	1528	$self->ns->ext_msg ($type, @msg);
1214	}	1529	}
1215		1530
1216	=head3 cf::region	1531	=head3 cf::region
1217		1532
1218	=over 4	1533	=over 4
…		…
1221		1536
1222	package cf::region;	1537	package cf::region;
1223		1538
1224	=item cf::region::find_by_path $path	1539	=item cf::region::find_by_path $path
1225		1540
1226	Tries to decuce the probable region for a map knowing only its path.	1541	Tries to decuce the likely region for a map knowing only its path.
1227		1542
1228	=cut	1543	=cut
1229		1544
1230	sub find_by_path($) {	1545	sub find_by_path($) {
1231	my ($path) = @_;	1546	my ($path) = @_;
1232		1547
1233	my ($match, $specificity);	1548	my ($match, $specificity);
1234		1549
1235	for my $region (list) {	1550	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1551	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1552	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1553	if $region->specificity > $specificity;
1239	}	1554	}
1240	}	1555	}
1241		1556
…		…
1361	$self->init; # pass $1 etc.	1676	$self->init; # pass $1 etc.
1362	return $self;	1677	return $self;
1363	}	1678	}
1364	}	1679	}
1365		1680
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	1681	Carp::cluck "unable to resolve path '$path' (base '$base').";
1367	()	1682	()
1368	}	1683	}
1369		1684
1370	sub init {	1685	sub init {
1371	my ($self) = @_;	1686	my ($self) = @_;
…		…
1537	local $self->{deny_reset} = 1; # loading can take a long time	1852	local $self->{deny_reset} = 1; # loading can take a long time
1538		1853
1539	my $path = $self->{path};	1854	my $path = $self->{path};
1540		1855
1541	{	1856	{
		1857	my $guard1 = cf::lock_acquire "map_data:$path";
1542	my $guard = cf::lock_acquire "map_load:$path";	1858	my $guard2 = cf::lock_acquire "map_load:$path";
1543		1859
1544	return if $self->in_memory != cf::MAP_SWAPPED;	1860	return if $self->in_memory != cf::MAP_SWAPPED;
1545		1861
1546	$self->in_memory (cf::MAP_LOADING);	1862	$self->in_memory (cf::MAP_LOADING);
1547		1863
1548	$self->alloc;	1864	$self->alloc;
1549		1865
1550	$self->pre_load;	1866	$self->pre_load;
1551	Coro::cede;	1867	cf::cede_to_tick;
1552		1868
1553	$self->_load_objects ($self->{load_path}, 1)	1869	$self->_load_objects ($self->{load_path}, 1)
1554	or return;	1870	or return;
1555		1871
1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1872	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
…		…
1562	$self->clear_unique_items;	1878	$self->clear_unique_items;
1563	$self->_load_objects ($uniq, 0);	1879	$self->_load_objects ($uniq, 0);
1564	}	1880	}
1565	}	1881	}
1566		1882
1567	Coro::cede;	1883	cf::cede_to_tick;
1568	# now do the right thing for maps	1884	# now do the right thing for maps
1569	$self->link_multipart_objects;	1885	$self->link_multipart_objects;
1570	$self->difficulty ($self->estimate_difficulty)	1886	$self->difficulty ($self->estimate_difficulty)
1571	unless $self->difficulty;	1887	unless $self->difficulty;
1572	Coro::cede;	1888	cf::cede_to_tick;
1573		1889
1574	unless ($self->{deny_activate}) {	1890	unless ($self->{deny_activate}) {
1575	$self->decay_objects;	1891	$self->decay_objects;
1576	$self->fix_auto_apply;	1892	$self->fix_auto_apply;
1577	$self->update_buttons;	1893	$self->update_buttons;
1578	Coro::cede;	1894	cf::cede_to_tick;
1579	$self->set_darkness_map;	1895	$self->set_darkness_map;
1580	Coro::cede;	1896	cf::cede_to_tick;
1581	$self->activate;	1897	$self->activate;
1582	}	1898	}
		1899
		1900	$self->{last_save} = $cf::RUNTIME;
		1901	$self->last_access ($cf::RUNTIME);
1583		1902
1584	$self->in_memory (cf::MAP_IN_MEMORY);	1903	$self->in_memory (cf::MAP_IN_MEMORY);
1585	}	1904	}
1586		1905
1587	$self->post_load;	1906	$self->post_load;
…		…
1598		1917
1599	$self	1918	$self
1600	}	1919	}
1601		1920
1602	# find and load all maps in the 3x3 area around a map	1921	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {	1922	sub load_neighbours {
1604	my ($map) = @_;	1923	my ($map) = @_;
1605		1924
1606	my @diag; # diagonal neighbours	1925	my @neigh; # diagonal neighbours
1607		1926
1608	for (0 .. 3) {	1927	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)	1928	my $neigh = $map->tile_path ($_)
1610	or next;	1929	or next;
1611	$neigh = find $neigh, $map	1930	$neigh = find $neigh, $map
1612	or next;	1931	or next;
1613	$neigh->load;	1932	$neigh->load;
1614		1933
		1934	push @neigh,
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1935	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1936	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}	1937	}
1618		1938
1619	for (@diag) {	1939	for (grep defined $_->[0], @neigh) {
		1940	my ($path, $origin) = @$_;
1620	my $neigh = find @$_	1941	my $neigh = find $path, $origin
1621	or next;	1942	or next;
1622	$neigh->load;	1943	$neigh->load;
1623	}	1944	}
1624	}	1945	}
1625		1946
…		…
1630	}	1951	}
1631		1952
1632	sub do_load_sync {	1953	sub do_load_sync {
1633	my ($map) = @_;	1954	my ($map) = @_;
1634		1955
		1956	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1957	if $Coro::current == $Coro::main;
		1958
1635	cf::sync_job { $map->load };	1959	cf::sync_job { $map->load };
1636	}	1960	}
1637		1961
1638	our %MAP_PREFETCH;	1962	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	1963	our $MAP_PREFETCHER = undef;
1640		1964
1641	sub find_async {	1965	sub find_async {
1642	my ($path, $origin) = @_;	1966	my ($path, $origin, $load) = @_;
1643		1967
1644	$path = normalise $path, $origin && $origin->{path};	1968	$path = normalise $path, $origin && $origin->{path};
1645		1969
1646	if (my $map = $cf::MAP{$path}) {	1970	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1971	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1648	}	1972	}
1649		1973
1650	undef $MAP_PREFETCH{$path};	1974	$MAP_PREFETCH{$path} |= $load;
		1975
1651	$MAP_PREFETCHER ||= cf::async {	1976	$MAP_PREFETCHER ||= cf::async {
1652	while (%MAP_PREFETCH) {	1977	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	1978	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	1979	if (my $map = find $k) {
1655	or next;
1656	$map->load;	1980	$map->load if $v;
		1981	}
1657		1982
1658	delete $MAP_PREFETCH{$path};	1983	delete $MAP_PREFETCH{$k};
1659	}	1984	}
1660	}	1985	}
1661	undef $MAP_PREFETCHER;	1986	undef $MAP_PREFETCHER;
1662	};	1987	};
1663	$MAP_PREFETCHER->prio (6);	1988	$MAP_PREFETCHER->prio (6);
…		…
1666	}	1991	}
1667		1992
1668	sub save {	1993	sub save {
1669	my ($self) = @_;	1994	my ($self) = @_;
1670		1995
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;	1996	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		1997
1673	$self->{last_save} = $cf::RUNTIME;	1998	$self->{last_save} = $cf::RUNTIME;
1674		1999
1675	return unless $self->dirty;	2000	return unless $self->dirty;
1676		2001
…		…
1699	my ($self) = @_;	2024	my ($self) = @_;
1700		2025
1701	# save first because save cedes	2026	# save first because save cedes
1702	$self->save;	2027	$self->save;
1703		2028
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2029	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2030
1706	return if $self->players;	2031	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;	2032	return if $self->in_memory != cf::MAP_IN_MEMORY;
1708	return if $self->{deny_save};	2033	return if $self->{deny_save};
1709		2034
…		…
1776	$cf::MAP{$self->path} = $self;	2101	$cf::MAP{$self->path} = $self;
1777		2102
1778	$self->reset; # polite request, might not happen	2103	$self->reset; # polite request, might not happen
1779	}	2104	}
1780		2105
		2106	=item $maps = cf::map::tmp_maps
		2107
		2108	Returns an arrayref with all map paths of currently instantiated and saved
		2109	maps. May block.
		2110
		2111	=cut
		2112
		2113	sub tmp_maps() {
		2114	[
		2115	map {
		2116	utf8::decode $_;
		2117	/\.map$/
		2118	? normalise $_
		2119	: ()
		2120	} @{ aio_readdir $TMPDIR or [] }
		2121	]
		2122	}
		2123
		2124	=item $maps = cf::map::random_maps
		2125
		2126	Returns an arrayref with all map paths of currently instantiated and saved
		2127	random maps. May block.
		2128
		2129	=cut
		2130
		2131	sub random_maps() {
		2132	[
		2133	map {
		2134	utf8::decode $_;
		2135	/\.map$/
		2136	? normalise "?random/$_"
		2137	: ()
		2138	} @{ aio_readdir $RANDOMDIR or [] }
		2139	]
		2140	}
		2141
1781	=item cf::map::unique_maps	2142	=item cf::map::unique_maps
1782		2143
1783	Returns an arrayref of paths of all shared maps that have	2144	Returns an arrayref of paths of all shared maps that have
1784	instantiated unique items. May block.	2145	instantiated unique items. May block.
1785		2146
1786	=cut	2147	=cut
1787		2148
1788	sub unique_maps() {	2149	sub unique_maps() {
1789	my $files = aio_readdir $UNIQUEDIR	2150	[
1790	or return;	2151	map {
1791
1792	my @paths;
1793
1794	for (@$files) {
1795	utf8::decode $_;	2152	utf8::decode $_;
1796	next if /\.pst$/;	2153	/\.map$/
1797	next unless /^$PATH_SEP/o;	2154	? normalise $_
1798		2155	: ()
1799	push @paths, cf::map::normalise $_;	2156	} @{ aio_readdir $UNIQUEDIR or [] }
1800	}	2157	]
1801
1802	\@paths
1803	}	2158	}
1804		2159
1805	package cf;	2160	package cf;
1806		2161
1807	=back	2162	=back
…		…
1853		2208
1854	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2209	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1855		2210
1856	if ($self->{record_replies}) {	2211	if ($self->{record_replies}) {
1857	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2212	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2213
1858	} else {	2214	} else {
		2215	my $pl = $self->contr;
		2216
		2217	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2218	my $dialog = $pl->{npc_dialog};
		2219	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2220
		2221	} else {
1859	$msg = $npc->name . " says: $msg" if $npc;	2222	$msg = $npc->name . " says: $msg" if $npc;
1860	$self->message ($msg, $flags);	2223	$self->message ($msg, $flags);
		2224	}
1861	}	2225	}
		2226	}
		2227
		2228	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2229
		2230	=cut
		2231
		2232	sub cf::object::send_msg {
		2233	my $pl = shift->contr
		2234	or return;
		2235	$pl->send_msg (@_);
1862	}	2236	}
1863		2237
1864	=item $player_object->may ("access")	2238	=item $player_object->may ("access")
1865		2239
1866	Returns wether the given player is authorized to access resource "access"	2240	Returns wether the given player is authorized to access resource "access"
…		…
1945	# use -1 or undef as default coordinates, not 0, 0	2319	# use -1 or undef as default coordinates, not 0, 0
1946	($x, $y) = ($map->enter_x, $map->enter_y)	2320	($x, $y) = ($map->enter_x, $map->enter_y)
1947	if $x <=0 && $y <= 0;	2321	if $x <=0 && $y <= 0;
1948		2322
1949	$map->load;	2323	$map->load;
1950	$map->load_diag;	2324	$map->load_neighbours;
1951		2325
1952	return unless $self->contr->active;	2326	return unless $self->contr->active;
1953	$self->activate_recursive;	2327	$self->activate_recursive;
1954		2328
1955	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2329	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1956	$self->enter_map ($map, $x, $y);	2330	$self->enter_map ($map, $x, $y);
1957	}	2331	}
1958		2332
1959	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2333	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1960		2334
1961	Moves the player to the given map-path and coordinates by first freezing	2335	Moves the player to the given map-path and coordinates by first freezing
1962	her, loading and preparing them map, calling the provided $check callback	2336	her, loading and preparing them map, calling the provided $check callback
1963	that has to return the map if sucecssful, and then unfreezes the player on	2337	that has to return the map if sucecssful, and then unfreezes the player on
1964	the new (success) or old (failed) map position.	2338	the new (success) or old (failed) map position. In either case, $done will
		2339	be called at the end of this process.
1965		2340
1966	=cut	2341	=cut
1967		2342
1968	our $GOTOGEN;	2343	our $GOTOGEN;
1969		2344
1970	sub cf::object::player::goto {	2345	sub cf::object::player::goto {
1971	my ($self, $path, $x, $y, $check) = @_;	2346	my ($self, $path, $x, $y, $check, $done) = @_;
1972		2347
1973	# do generation counting so two concurrent goto's will be executed in-order	2348	# do generation counting so two concurrent goto's will be executed in-order
1974	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2349	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1975		2350
1976	$self->enter_link;	2351	$self->enter_link;
…		…
1996		2371
1997	if ($gen == $self->{_goto_generation}) {	2372	if ($gen == $self->{_goto_generation}) {
1998	delete $self->{_goto_generation};	2373	delete $self->{_goto_generation};
1999	$self->leave_link ($map, $x, $y);	2374	$self->leave_link ($map, $x, $y);
2000	}	2375	}
		2376
		2377	$done->() if $done;
2001	})->prio (1);	2378	})->prio (1);
2002	}	2379	}
2003		2380
2004	=item $player_object->enter_exit ($exit_object)	2381	=item $player_object->enter_exit ($exit_object)
2005		2382
…		…
2074	my $hp = $exit->stats->hp;	2451	my $hp = $exit->stats->hp;
2075	my $sp = $exit->stats->sp;	2452	my $sp = $exit->stats->sp;
2076		2453
2077	$self->enter_link;	2454	$self->enter_link;
2078		2455
		2456	# if exit is damned, update players death & WoR home-position
		2457	$self->contr->savebed ($slaying, $hp, $sp)
		2458	if $exit->flag (FLAG_DAMNED);
		2459
2079	(async {	2460	(async {
2080	$self->deactivate_recursive; # just to be sure	2461	$self->deactivate_recursive; # just to be sure
2081	unless (eval {	2462	unless (eval {
2082	$self->goto ($slaying, $hp, $sp);	2463	$self->goto ($slaying, $hp, $sp);
2083		2464
…		…
2110		2491
2111	utf8::encode $text;	2492	utf8::encode $text;
2112	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2493	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2113	}	2494	}
2114		2495
		2496	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2497
		2498	Send a drawinfo or msg packet to the client, formatting the msg for the
		2499	client if neccessary. C<$type> should be a string identifying the type of
		2500	the message, with C<log> being the default. If C<$color> is negative, suppress
		2501	the message unless the client supports the msg packet.
		2502
		2503	=cut
		2504
		2505	sub cf::client::send_msg {
		2506	my ($self, $channel, $msg, $color, @extra) = @_;
		2507
		2508	$msg = $self->pl->expand_cfpod ($msg);
		2509
		2510	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2511
		2512	if (ref $channel) {
		2513	# send meta info to client, if not yet sent
		2514	unless (exists $self->{channel}{$channel->{id}}) {
		2515	$self->{channel}{$channel->{id}} = $channel;
		2516	$self->ext_msg (channel_info => $channel);
		2517	}
		2518
		2519	$channel = $channel->{id};
		2520	}
		2521
		2522	return unless @extra || length $msg;
		2523
		2524	if ($self->can_msg) {
		2525	# default colour, mask it out
		2526	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2527	if $color & cf::NDI_DEF;
		2528
		2529	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2530	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2531	} else {
		2532	if ($color >= 0) {
		2533	# replace some tags by gcfclient-compatible ones
		2534	for ($msg) {
		2535	1 while
		2536	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2537	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2538	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2539	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2540	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2541	}
		2542
		2543	$color &= cf::NDI_COLOR_MASK;
		2544
		2545	utf8::encode $msg;
		2546
		2547	if (0 && $msg =~ /\[/) {
		2548	# COMMAND/INFO
		2549	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2550	} else {
		2551	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2552	$self->send_packet ("drawinfo $color $msg")
		2553	}
		2554	}
		2555	}
		2556	}
		2557
2115	=item $client->ext_event ($type, %msg)	2558	=item $client->ext_msg ($type, @msg)
2116		2559
2117	Sends an exti event to the client.	2560	Sends an ext event to the client.
2118		2561
2119	=cut	2562	=cut
2120		2563
2121	sub cf::client::ext_event($$%) {	2564	sub cf::client::ext_msg($$@) {
2122	my ($self, $type, %msg) = @_;	2565	my ($self, $type, @msg) = @_;
2123		2566
		2567	if ($self->extcmd == 2) {
		2568	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2569	} elsif ($self->extcmd == 1) { # TODO: remove
2124	$msg{msgtype} = "event_$type";	2570	push @msg, msgtype => "event_$type";
2125	$self->send_packet ("ext " . cf::to_json \%msg);	2571	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2572	}
		2573	}
		2574
		2575	=item $client->ext_reply ($msgid, @msg)
		2576
		2577	Sends an ext reply to the client.
		2578
		2579	=cut
		2580
		2581	sub cf::client::ext_reply($$@) {
		2582	my ($self, $id, @msg) = @_;
		2583
		2584	if ($self->extcmd == 2) {
		2585	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2586	} elsif ($self->extcmd == 1) {
		2587	#TODO: version 1, remove
		2588	unshift @msg, msgtype => "reply", msgid => $id;
		2589	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2590	}
2126	}	2591	}
2127		2592
2128	=item $success = $client->query ($flags, "text", \&cb)	2593	=item $success = $client->query ($flags, "text", \&cb)
2129		2594
2130	Queues a query to the client, calling the given callback with	2595	Queues a query to the client, calling the given callback with
2131	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2596	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2132	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2597	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2133		2598
2134	Queries can fail, so check the return code. Or don't, as queries will become	2599	Queries can fail, so check the return code. Or don't, as queries will
2135	reliable at some point in the future.	2600	become reliable at some point in the future.
2136		2601
2137	=cut	2602	=cut
2138		2603
2139	sub cf::client::query {	2604	sub cf::client::query {
2140	my ($self, $flags, $text, $cb) = @_;	2605	my ($self, $flags, $text, $cb) = @_;
…		…
2148	utf8::encode $text;	2613	utf8::encode $text;
2149	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2614	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2150		2615
2151	$self->send_packet ($self->{query_queue}[0][0])	2616	$self->send_packet ($self->{query_queue}[0][0])
2152	if @{ $self->{query_queue} } == 1;	2617	if @{ $self->{query_queue} } == 1;
		2618
		2619	1
2153	}	2620	}
2154		2621
2155	cf::client->attach (	2622	cf::client->attach (
		2623	on_connect => sub {
		2624	my ($ns) = @_;
		2625
		2626	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2627	},
2156	on_reply => sub {	2628	on_reply => sub {
2157	my ($ns, $msg) = @_;	2629	my ($ns, $msg) = @_;
2158		2630
2159	# this weird shuffling is so that direct followup queries	2631	# this weird shuffling is so that direct followup queries
2160	# get handled first	2632	# get handled first
…		…
2172	} else {	2644	} else {
2173	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2645	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2174	}	2646	}
2175	}	2647	}
2176	},	2648	},
		2649	on_exticmd => sub {
		2650	my ($ns, $buf) = @_;
		2651
		2652	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2653
		2654	if (ref $msg) {
		2655	my ($type, $reply, @payload) =
		2656	"ARRAY" eq ref $msg
		2657	? @$msg
		2658	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2659
		2660	my @reply;
		2661
		2662	if (my $cb = $EXTICMD{$type}) {
		2663	@reply = $cb->($ns, @payload);
		2664	}
		2665
		2666	$ns->ext_reply ($reply, @reply)
		2667	if $reply;
		2668
		2669	} else {
		2670	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2671	}
		2672
		2673	cf::override;
		2674	},
2177	);	2675	);
2178		2676
2179	=item $client->async (\&cb)	2677	=item $client->async (\&cb)
2180		2678
2181	Create a new coroutine, running the specified callback. The coroutine will	2679	Create a new coroutine, running the specified callback. The coroutine will
…		…
2222	our $safe = new Safe "safe";	2720	our $safe = new Safe "safe";
2223	our $safe_hole = new Safe::Hole;	2721	our $safe_hole = new Safe::Hole;
2224		2722
2225	$SIG{FPE} = 'IGNORE';	2723	$SIG{FPE} = 'IGNORE';
2226		2724
2227	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2725	$safe->permit_only (Opcode::opset qw(
		2726	:base_core :base_mem :base_orig :base_math
		2727	grepstart grepwhile mapstart mapwhile
		2728	sort time
		2729	));
2228		2730
2229	# here we export the classes and methods available to script code	2731	# here we export the classes and methods available to script code
2230		2732
2231	=pod	2733	=pod
2232		2734
2233	The following functions and methods are available within a safe environment:	2735	The following functions and methods are available within a safe environment:
2234		2736
2235	cf::object contr pay_amount pay_player map	2737	cf::object
		2738	contr pay_amount pay_player map x y force_find force_add
		2739	insert remove name archname title slaying race decrease_ob_nr
		2740
2236	cf::object::player player	2741	cf::object::player
2237	cf::player peaceful	2742	player
2238	cf::map trigger	2743
		2744	cf::player
		2745	peaceful
		2746
		2747	cf::map
		2748	trigger
2239		2749
2240	=cut	2750	=cut
2241		2751
2242	for (	2752	for (
2243	["cf::object" => qw(contr pay_amount pay_player map)],	2753	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2754	insert remove inv name archname title slaying race
		2755	decrease_ob_nr)],
2244	["cf::object::player" => qw(player)],	2756	["cf::object::player" => qw(player)],
2245	["cf::player" => qw(peaceful)],	2757	["cf::player" => qw(peaceful)],
2246	["cf::map" => qw(trigger)],	2758	["cf::map" => qw(trigger)],
2247	) {	2759	) {
2248	no strict 'refs';	2760	no strict 'refs';
…		…
2319	=back	2831	=back
2320		2832
2321	=cut	2833	=cut
2322		2834
2323	#############################################################################	2835	#############################################################################
2324
2325	=head2 EXTENSION DATABASE SUPPORT
2326
2327	Crossfire maintains a very simple database for extension use. It can
2328	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2329	convert to/from binary).
2330
2331	The parameter C<$family> should best start with the name of the extension
2332	using it, it should be unique.
2333
2334	=over 4
2335
2336	=item $value = cf::db_get $family => $key
2337
2338	Returns a single value from the database.
2339
2340	=item cf::db_put $family => $key => $value
2341
2342	Stores the given C<$value> in the family.
2343
2344	=cut
2345
2346	our $DB;
2347
2348	sub db_init {
2349	unless ($DB) {
2350	$DB = BDB::db_create $DB_ENV;
2351
2352	cf::sync_job {
2353	eval {
2354	$DB->set_flags (BDB::CHKSUM);
2355
2356	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2357	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2358	cf::cleanup "db_open(db): $!" if $!;
2359	};
2360	cf::cleanup "db_open(db): $@" if $@;
2361	};
2362	}
2363	}
2364
2365	sub db_get($$) {
2366	my $key = "$_[0]/$_[1]";
2367
2368	cf::sync_job {
2369	BDB::db_get $DB, undef, $key, my $data;
2370
2371	$! ? ()
2372	: $data
2373	}
2374	}
2375
2376	sub db_put($$$) {
2377	BDB::dbreq_pri 4;
2378	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2379	}
2380
2381	=item cf::cache $id => [$paths...], $processversion => $process
2382
2383	Generic caching function that returns the value of the resource $id,
2384	caching and regenerating as required.
2385
2386	This function can block.
2387
2388	=cut
2389
2390	sub cache {
2391	my ($id, $src, $processversion, $process) = @_;
2392
2393	my $meta =
2394	join "\x00",
2395	$processversion,
2396	map {
2397	aio_stat $_
2398	and Carp::croak "$_: $!";
2399
2400	($_, (stat _)[7,9])
2401	} @$src;
2402
2403	my $dbmeta = db_get cache => "$id/meta";
2404	if ($dbmeta ne $meta) {
2405	# changed, we may need to process
2406
2407	my @data;
2408	my $md5;
2409
2410	for (0 .. $#$src) {
2411	0 <= aio_load $src->[$_], $data[$_]
2412	or Carp::croak "$src->[$_]: $!";
2413	}
2414
2415	# if processing is expensive, check
2416	# checksum first
2417	if (1) {
2418	$md5 =
2419	join "\x00",
2420	$processversion,
2421	map {
2422	Coro::cede;
2423	($src->[$_], Digest::MD5::md5_hex $data[$_])
2424	} 0.. $#$src;
2425
2426
2427	my $dbmd5 = db_get cache => "$id/md5";
2428	if ($dbmd5 eq $md5) {
2429	db_put cache => "$id/meta", $meta;
2430
2431	return db_get cache => "$id/data";
2432	}
2433	}
2434
2435	my $t1 = Time::HiRes::time;
2436	my $data = $process->(\@data);
2437	my $t2 = Time::HiRes::time;
2438
2439	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2440
2441	db_put cache => "$id/data", $data;
2442	db_put cache => "$id/md5" , $md5;
2443	db_put cache => "$id/meta", $meta;
2444
2445	return $data;
2446	}
2447
2448	db_get cache => "$id/data"
2449	}
2450
2451	=item fork_call { }, $args
2452
2453	Executes the given code block with the given arguments in a seperate
2454	process, returning the results. Everything must be serialisable with
2455	Coro::Storable. May, of course, block. Note that the executed sub may
2456	never block itself or use any form of Event handling.
2457
2458	=cut
2459
2460	sub fork_call(&@) {
2461	my ($cb, @args) = @_;
2462
2463	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2464	# or die "socketpair: $!";
2465	pipe my $fh1, my $fh2
2466	or die "pipe: $!";
2467
2468	if (my $pid = fork) {
2469	close $fh2;
2470
2471	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2472	$res = Coro::Storable::thaw $res;
2473
2474	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2475
2476	die $$res unless "ARRAY" eq ref $res;
2477
2478	return wantarray ? @$res : $res->[-1];
2479	} else {
2480	reset_signals;
2481	local $SIG{__WARN__};
2482	local $SIG{__DIE__};
2483	eval {
2484	close $fh1;
2485
2486	my @res = eval { $cb->(@args) };
2487	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2488	};
2489
2490	warn $@ if $@;
2491	_exit 0;
2492	}
2493	}
2494
2495	#############################################################################
2496	# the server's init and main functions	2836	# the server's init and main functions
2497		2837
2498	sub load_facedata($) {	2838	sub load_facedata($) {
2499	my ($path) = @_;	2839	my ($path) = @_;
		2840
		2841	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2500		2842
2501	warn "loading facedata from $path\n";	2843	warn "loading facedata from $path\n";
2502		2844
2503	my $facedata;	2845	my $facedata;
2504	0 < aio_load $path, $facedata	2846	0 < aio_load $path, $facedata
…		…
2507	$facedata = Coro::Storable::thaw $facedata;	2849	$facedata = Coro::Storable::thaw $facedata;
2508		2850
2509	$facedata->{version} == 2	2851	$facedata->{version} == 2
2510	or cf::cleanup "$path: version mismatch, cannot proceed.";	2852	or cf::cleanup "$path: version mismatch, cannot proceed.";
2511		2853
		2854	# patch in the exptable
		2855	$facedata->{resource}{"res/exp_table"} = {
		2856	type => FT_RSRC,
		2857	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2858	};
		2859	cf::cede_to_tick;
		2860
2512	{	2861	{
2513	my $faces = $facedata->{faceinfo};	2862	my $faces = $facedata->{faceinfo};
2514		2863
2515	while (my ($face, $info) = each %$faces) {	2864	while (my ($face, $info) = each %$faces) {
2516	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2865	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2517	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2866	cf::face::set_visibility $idx, $info->{visibility};
		2867	cf::face::set_magicmap $idx, $info->{magicmap};
2518	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2868	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2519	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2869	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2520	Coro::cede;	2870
		2871	cf::cede_to_tick;
2521	}	2872	}
2522		2873
2523	while (my ($face, $info) = each %$faces) {	2874	while (my ($face, $info) = each %$faces) {
2524	next unless $info->{smooth};	2875	next unless $info->{smooth};
2525	my $idx = cf::face::find $face	2876	my $idx = cf::face::find $face
2526	or next;	2877	or next;
2527	if (my $smooth = cf::face::find $info->{smooth}) {	2878	if (my $smooth = cf::face::find $info->{smooth}) {
		2879	cf::face::set_smooth $idx, $smooth;
2528	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2880	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2529	} else {	2881	} else {
2530	warn "smooth face '$info->{smooth}' not found for face '$face'";	2882	warn "smooth face '$info->{smooth}' not found for face '$face'";
2531	}	2883	}
2532	Coro::cede;	2884
		2885	cf::cede_to_tick;
2533	}	2886	}
2534	}	2887	}
2535		2888
2536	{	2889	{
2537	my $anims = $facedata->{animinfo};	2890	my $anims = $facedata->{animinfo};
2538		2891
2539	while (my ($anim, $info) = each %$anims) {	2892	while (my ($anim, $info) = each %$anims) {
2540	cf::anim::set $anim, $info->{frames}, $info->{facings};	2893	cf::anim::set $anim, $info->{frames}, $info->{facings};
2541	Coro::cede;	2894	cf::cede_to_tick;
2542	}	2895	}
2543		2896
2544	cf::anim::invalidate_all; # d'oh	2897	cf::anim::invalidate_all; # d'oh
2545	}	2898	}
2546		2899
		2900	{
		2901	# TODO: for gcfclient pleasure, we should give resources
		2902	# that gcfclient doesn't grok a >10000 face index.
		2903	my $res = $facedata->{resource};
		2904
		2905	my $soundconf = delete $res->{"res/sound.conf"};
		2906
		2907	while (my ($name, $info) = each %$res) {
		2908	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2909	my $data;
		2910
		2911	if ($info->{type} & 1) {
		2912	# prepend meta info
		2913
		2914	my $meta = $enc->encode ({
		2915	name => $name,
		2916	%{ $info->{meta} || {} },
		2917	});
		2918
		2919	$data = pack "(w/a*)*", $meta, $info->{data};
		2920	} else {
		2921	$data = $info->{data};
		2922	}
		2923
		2924	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2925	cf::face::set_type $idx, $info->{type};
		2926
		2927	cf::cede_to_tick;
		2928	}
		2929
		2930	if ($soundconf) {
		2931	$soundconf = $enc->decode (delete $soundconf->{data});
		2932
		2933	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2934	my $sound = $soundconf->{compat}[$_]
		2935	or next;
		2936
		2937	my $face = cf::face::find "sound/$sound->[1]";
		2938	cf::sound::set $sound->[0] => $face;
		2939	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2940	}
		2941
		2942	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2943	my $face = cf::face::find "sound/$v";
		2944	cf::sound::set $k => $face;
		2945	}
		2946	}
		2947	}
		2948
2547	1	2949	1
2548	}	2950	}
		2951
		2952	register_exticmd fx_want => sub {
		2953	my ($ns, $want) = @_;
		2954
		2955	while (my ($k, $v) = each %$want) {
		2956	$ns->fx_want ($k, $v);
		2957	}
		2958	};
2549		2959
2550	sub reload_regions {	2960	sub reload_regions {
2551	load_resource_file "$MAPDIR/regions"	2961	load_resource_file "$MAPDIR/regions"
2552	or die "unable to load regions file\n";	2962	or die "unable to load regions file\n";
		2963
		2964	for (cf::region::list) {
		2965	$_->{match} = qr/$_->{match}/
		2966	if exists $_->{match};
		2967	}
2553	}	2968	}
2554		2969
2555	sub reload_facedata {	2970	sub reload_facedata {
2556	load_facedata "$DATADIR/facedata"	2971	load_facedata "$DATADIR/facedata"
2557	or die "unable to load facedata\n";	2972	or die "unable to load facedata\n";
2558	}	2973	}
2559		2974
2560	sub reload_archetypes {	2975	sub reload_archetypes {
		2976	load_resource_file "$DATADIR/archetypes"
		2977	or die "unable to load archetypes\n";
		2978	#d# NEED to laod twice to resolve forward references
		2979	# this really needs to be done in an extra post-pass
		2980	# (which needs to be synchronous, so solve it differently)
2561	load_resource_file "$DATADIR/archetypes"	2981	load_resource_file "$DATADIR/archetypes"
2562	or die "unable to load archetypes\n";	2982	or die "unable to load archetypes\n";
2563	}	2983	}
2564		2984
2565	sub reload_treasures {	2985	sub reload_treasures {
…		…
2581		3001
2582	sub init {	3002	sub init {
2583	reload_resources;	3003	reload_resources;
2584	}	3004	}
2585		3005
2586	sub cfg_load {	3006	sub reload_config {
2587	open my $fh, "<:utf8", "$CONFDIR/config"	3007	open my $fh, "<:utf8", "$CONFDIR/config"
2588	or return;	3008	or return;
2589		3009
2590	local $/;	3010	local $/;
2591	*CFG = YAML::Syck::Load <$fh>;	3011	*CFG = YAML::Syck::Load <$fh>;
…		…
2611	(async {	3031	(async {
2612	Event::one_event;	3032	Event::one_event;
2613	})->prio (Coro::PRIO_MAX);	3033	})->prio (Coro::PRIO_MAX);
2614	};	3034	};
2615		3035
2616	cfg_load;	3036	reload_config;
2617	db_init;	3037	db_init;
2618	load_extensions;	3038	load_extensions;
2619		3039
2620	$TICK_WATCHER->start;	3040	$TICK_WATCHER->start;
2621	Event::loop;	3041	Event::loop;
…		…
2637	},	3057	},
2638	);	3058	);
2639	}	3059	}
2640	}	3060	}
2641		3061
		3062	sub write_runtime {
		3063	my $runtime = "$LOCALDIR/runtime";
		3064
		3065	# first touch the runtime file to show we are still running:
		3066	# the fsync below can take a very very long time.
		3067
		3068	IO::AIO::aio_utime $runtime, undef, undef;
		3069
		3070	my $guard = cf::lock_acquire "write_runtime";
		3071
		3072	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3073	or return;
		3074
		3075	my $value = $cf::RUNTIME + 90 + 10;
		3076	# 10 is the runtime save interval, for a monotonic clock
		3077	# 60 allows for the watchdog to kill the server.
		3078
		3079	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3080	and return;
		3081
		3082	# always fsync - this file is important
		3083	aio_fsync $fh
		3084	and return;
		3085
		3086	# touch it again to show we are up-to-date
		3087	aio_utime $fh, undef, undef;
		3088
		3089	close $fh
		3090	or return;
		3091
		3092	aio_rename "$runtime~", $runtime
		3093	and return;
		3094
		3095	warn "runtime file written.\n";
		3096
		3097	1
		3098	}
		3099
2642	sub emergency_save() {	3100	sub emergency_save() {
2643	my $freeze_guard = cf::freeze_mainloop;	3101	my $freeze_guard = cf::freeze_mainloop;
2644		3102
2645	warn "enter emergency perl save\n";	3103	warn "enter emergency perl save\n";
2646		3104
…		…
2721	%EXT_CORO = ();	3179	%EXT_CORO = ();
2722		3180
2723	warn "removing commands";	3181	warn "removing commands";
2724	%COMMAND = ();	3182	%COMMAND = ();
2725		3183
2726	warn "removing ext commands";	3184	warn "removing ext/exti commands";
2727	%EXTCMD = ();	3185	%EXTCMD = ();
		3186	%EXTICMD = ();
2728		3187
2729	warn "unloading/nuking all extensions";	3188	warn "unloading/nuking all extensions";
2730	for my $pkg (@EXTS) {	3189	for my $pkg (@EXTS) {
2731	warn "... unloading $pkg";	3190	warn "... unloading $pkg";
2732		3191
…		…
2775	warn "reloading cf.pm";	3234	warn "reloading cf.pm";
2776	require cf;	3235	require cf;
2777	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3236	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2778		3237
2779	warn "loading config and database again";	3238	warn "loading config and database again";
2780	cf::cfg_load;	3239	cf::reload_config;
2781		3240
2782	warn "loading extensions";	3241	warn "loading extensions";
2783	cf::load_extensions;	3242	cf::load_extensions;
2784		3243
2785	warn "reattaching attachments to objects/players";	3244	warn "reattaching attachments to objects/players";

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