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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.272 by root, Sun Jun 3 15:32:50 2007 UTC vs.
Revision 1.341 by elmex, Sat Aug 25 16:51:38 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	IO::AIO::aio_utime $runtime, undef, undef;	476	=cut
401		477
402	my $guard = cf::lock_acquire "write_runtime";	478	sub fork_call(&@) {
		479	my ($cb, @args) = @_;
403		480
404	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	481	# we seemingly have to make a local copy of the whole thing,
405	or return;	482	# otherwise perl prematurely frees the stuff :/
		483	# TODO: investigate and fix (liekly this will be rather laborious)
406		484
407	my $value = $cf::RUNTIME + 90 + 10;	485	my @res = Coro::Util::fork_eval {
408	# 10 is the runtime save interval, for a monotonic clock	486	reset_signals;
409	# 60 allows for the watchdog to kill the server.	487	&$cb
		488	}, @args;
410		489
411	(aio_write $fh, 0, (length $value), $value, 0) <= 0	490	wantarray ? @res : $res[-1]
412	and return;	491	}
413		492
414	# always fsync - this file is important	493	=item $value = cf::db_get $family => $key
415	aio_fsync $fh
416	and return;
417		494
418	# touch it again to show we are up-to-date	495	Returns a single value from the environment database.
419	aio_utime $fh, undef, undef;
420		496
421	close $fh	497	=item cf::db_put $family => $key => $value
422	or return;
423		498
424	aio_rename "$runtime~", $runtime	499	Stores the given C<$value> in the family. It can currently store binary
425	and return;	500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
426		501
427	warn "runtime file written.\n";#d#	502	=cut
428		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	};
429	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"
430	}	607	}
431		608
432	=item cf::datalog type => key => value, ...	609	=item cf::datalog type => key => value, ...
433		610
434	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.
…		…
452	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")
453	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
454		631
455	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>
456	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
457	crossfire+).	634	Crossfire TRT).
458		635
459	=over 4	636	=over 4
460		637
461	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
462		639
…		…
664	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
665	}	842	}
666		843
667	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
668	} else {	845	} else {
669	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
670	}	847	}
671		848
672	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
673	}	850	}
674		851
…		…
714	";	891	";
715	die if $@;	892	die if $@;
716	}	893	}
717		894
718	our $override;	895	our $override;
719	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	896	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
720		897
721	sub override {	898	sub override {
722	$override = 1;	899	$override = 1;
723	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
724	}	901	}
725		902
726	sub do_invoke {	903	sub do_invoke {
727	my $event = shift;	904	my $event = shift;
728	my $callbacks = shift;	905	my $callbacks = shift;
729		906
730	@invoke_results = ();	907	@INVOKE_RESULTS = ();
731		908
732	local $override;	909	local $override;
733		910
734	for (@$callbacks) {	911	for (@$callbacks) {
735	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
752		929
753	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
754		931
755	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	932	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
756	removed in future versions), and there is no public API to access override	933	removed in future versions), and there is no public API to access override
757	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		935
759	=back	936	=back
760		937
761	=cut	938	=cut
762		939
763	#############################################################################	940	#############################################################################
764	# object support	941	# object support
		942	#
		943
		944	sub _can_merge {
		945	my ($ob1, $ob2) = @_;
		946
		947	local $Storable::canonical = 1;
		948	my $fob1 = Storable::freeze $ob1;
		949	my $fob2 = Storable::freeze $ob2;
		950
		951	$fob1 eq $fob2
		952	}
765		953
766	sub reattach {	954	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	956	my ($obj) = @_;
769		957
…		…
872	or return;	1060	or return;
873	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
874	}	1062	}
875		1063
876	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
878	return ($data, $av);	1066	return ($data, $av);
879	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
880		1074
881	#############################################################################	1075	#############################################################################
882	# command handling &c	1076	# command handling &c
883		1077
884	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1092	}
899		1093
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1095
902	Register a callbackf ro execution when the client sends an extcmd packet.	1096	Register a callback for execution when the client sends an (synchronous)
		1097	extcmd packet. Ext commands will be processed in the order they are
		1098	received by the server, like other user commands. The first argument is
		1099	the logged-in player. Ext commands can only be processed after a player
		1100	has logged in successfully.
903		1101
904	If the callback returns something, it is sent back as if reply was being	1102	If the callback returns something, it is sent back as if reply was being
905	called.	1103	called.
906		1104
		1105	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1106
		1107	Register a callback for execution when the client sends an (asynchronous)
		1108	exticmd packet. Exti commands are processed by the server as soon as they
		1109	are received, i.e. out of order w.r.t. other commands. The first argument
		1110	is a client socket. Exti commands can be received anytime, even before
		1111	log-in.
		1112
		1113	If the callback returns something, it is sent back as if reply was being
		1114	called.
		1115
907	=cut	1116	=cut
908		1117
909	sub register_extcmd {	1118	sub register_extcmd {
910	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
911		1120
912	$EXTCMD{$name} = $cb;	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
913	}	1128	}
914		1129
915	cf::player->attach (	1130	cf::player->attach (
916	on_command => sub {	1131	on_command => sub {
917	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
926	cf::override;	1141	cf::override;
927	},	1142	},
928	on_extcmd => sub {	1143	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
930		1145
931	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1147
933	if (ref $msg) {	1148	if (ref $msg) {
		1149	my ($type, $reply, @payload) =
		1150	"ARRAY" eq ref $msg
		1151	? @$msg
		1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1153
		1154	my @reply;
		1155
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1156	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1157	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1158	}
		1159
		1160	$pl->ext_reply ($reply, @reply)
		1161	if $reply;
		1162
939	} else {	1163	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1164	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1165	}
942		1166
943	cf::override;	1167	cf::override;
944	},	1168	},
945	);	1169	);
946		1170
947	sub load_extension {
948	my ($path) = @_;
949
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
951	my $base = $1;
952	my $pkg = $1;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955
956	warn "... loading '$path' into '$pkg'\n";
957
958	open my $fh, "<:utf8", $path
959	or die "$path: $!";
960
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	unless (eval $source) {
968	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	warn $@;
972	warn "mandatory extension failed to load, exiting.\n";
973	exit 1;
974	}
975	die $@;
976	}
977
978	push @EXTS, $pkg;
979	}
980
981	sub load_extensions {	1171	sub load_extensions {
		1172	cf::sync_job {
		1173	my %todo;
		1174
982	for my $ext (<$LIBDIR/*.ext>) {	1175	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1176	next unless -r $path;
984	eval {	1177
985	load_extension $ext;	1178	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1179	my $base = $1;
		1180	my $pkg = $1;
		1181	$pkg =~ s/[^[:word:]]/_/g;
		1182	$pkg = "ext::$pkg";
		1183
		1184	open my $fh, "<:utf8", $path
		1185	or die "$path: $!";
		1186
		1187	my $source = do { local $/; <$fh> };
		1188
		1189	my %ext = (
		1190	path => $path,
		1191	base => $base,
		1192	pkg => $pkg,
		1193	);
		1194
		1195	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1196	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1197
		1198	$ext{source} =
		1199	"package $pkg; use strict; use utf8;\n"
		1200	. "#line 1 \"$path\"\n{\n"
		1201	. $source
		1202	. "\n};\n1";
		1203
		1204	$todo{$base} = \%ext;
		1205	}
		1206
		1207	my %done;
		1208	while (%todo) {
		1209	my $progress;
		1210
		1211	while (my ($k, $v) = each %todo) {
		1212	for (split /,\s*/, $v->{meta}{depends}) {
		1213	goto skip
		1214	unless exists $done{$_};
		1215	}
		1216
		1217	warn "... loading '$k' into '$v->{pkg}'\n";
		1218
		1219	unless (eval $v->{source}) {
		1220	my $msg = $@ ? "$v->{path}: $@\n"
		1221	: "$v->{base}: extension inactive.\n";
		1222
		1223	if (exists $v->{meta}{mandatory}) {
		1224	warn $msg;
		1225	warn "mandatory extension failed to load, exiting.\n";
		1226	exit 1;
		1227	}
		1228
		1229	warn $msg;
		1230	}
		1231
		1232	$done{$k} = delete $todo{$k};
		1233	push @EXTS, $v->{pkg};
		1234	$progress = 1;
986	1	1235	}
987	} or warn "$ext not loaded: $@";	1236
		1237	skip:
		1238	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1239	unless $progress;
		1240	}
988	}	1241	};
989	}	1242	}
990		1243
991	#############################################################################	1244	#############################################################################
		1245
		1246	=back
992		1247
993	=head2 CORE EXTENSIONS	1248	=head2 CORE EXTENSIONS
994		1249
995	Functions and methods that extend core crossfire objects.	1250	Functions and methods that extend core crossfire objects.
996		1251
…		…
1083	$cf::PLAYER{$login} = $self;	1338	$cf::PLAYER{$login} = $self;
1084		1339
1085	$self	1340	$self
1086	}	1341	}
1087		1342
		1343	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1344
		1345	=cut
		1346
		1347	sub send_msg {
		1348	my $ns = shift->ns
		1349	or return;
		1350	$ns->send_msg (@_);
		1351	}
		1352
1088	=item $pl->quit_character	1353	=item $pl->quit_character
1089		1354
1090	Nukes the player without looking back. If logged in, the connection will	1355	Nukes the player without looking back. If logged in, the connection will
1091	be destroyed. May block for a long time.	1356	be destroyed. May block for a long time.
1092		1357
…		…
1184	}	1449	}
1185		1450
1186	\@paths	1451	\@paths
1187	}	1452	}
1188		1453
		1454	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1455
		1456	Expand crossfire pod fragments into protocol xml.
		1457
		1458	=cut
		1459
		1460	sub expand_cfpod {
		1461	((my $self), (local $_)) = @_;
		1462
		1463	# escape & and <
		1464	s/&/&amp;/g;
		1465	s/(?<![BIUGH])</&lt;/g;
		1466
		1467	# this is buggy, it needs to properly take care of nested <'s
		1468
		1469	1 while
		1470	# replace B<>, I<>, U<> etc.
		1471	s/B<([^\>]*)>/<b>$1<\/b>/
		1472	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1473	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1474	# replace G<male|female> tags
		1475	|| s{G<([^>|]*)\|([^>]*)>}{
		1476	$self->gender ? $2 : $1
		1477	}ge
		1478	# replace H<hint text>
		1479	|| s{H<([^\>]*)>}
		1480	{
		1481	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1482	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1483	"")
		1484	[$self->{hintmode}]
		1485	}ge;
		1486
		1487	# create single paragraphs (very hackish)
		1488	s/(?<=\S)\n(?=\w)/ /g;
		1489
		1490	# compress some whitespace
		1491	s/\s+\n/\n/g; # ws line-ends
		1492	s/\n\n+/\n/g; # double lines
		1493	s/^\n+//; # beginning lines
		1494	s/\n+$//; # ending lines
		1495
		1496	$_
		1497	}
		1498
		1499	sub hintmode {
		1500	$_[0]{hintmode} = $_[1] if @_ > 1;
		1501	$_[0]{hintmode}
		1502	}
		1503
1189	=item $player->ext_reply ($msgid, %msg)	1504	=item $player->ext_reply ($msgid, @msg)
1190		1505
1191	Sends an ext reply to the player.	1506	Sends an ext reply to the player.
1192		1507
1193	=cut	1508	=cut
1194		1509
1195	sub ext_reply($$%) {	1510	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1511	my ($self, $id, @msg) = @_;
1197		1512
1198	$msg{msgid} = $id;	1513	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1514	}
1202		1515
1203	=item $player->ext_event ($type, %msg)	1516	=item $player->ext_msg ($type, @msg)
1204		1517
1205	Sends an ext event to the client.	1518	Sends an ext event to the client.
1206		1519
1207	=cut	1520	=cut
1208		1521
1209	sub ext_event($$%) {	1522	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1523	my ($self, $type, @msg) = @_;
1211		1524
1212	$self->ns->ext_event ($type, %msg);	1525	$self->ns->ext_msg ($type, @msg);
1213	}	1526	}
1214		1527
1215	=head3 cf::region	1528	=head3 cf::region
1216		1529
1217	=over 4	1530	=over 4
…		…
1220		1533
1221	package cf::region;	1534	package cf::region;
1222		1535
1223	=item cf::region::find_by_path $path	1536	=item cf::region::find_by_path $path
1224		1537
1225	Tries to decuce the probable region for a map knowing only its path.	1538	Tries to decuce the likely region for a map knowing only its path.
1226		1539
1227	=cut	1540	=cut
1228		1541
1229	sub find_by_path($) {	1542	sub find_by_path($) {
1230	my ($path) = @_;	1543	my ($path) = @_;
1231		1544
1232	my ($match, $specificity);	1545	my ($match, $specificity);
1233		1546
1234	for my $region (list) {	1547	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1548	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1549	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1550	if $region->specificity > $specificity;
1238	}	1551	}
1239	}	1552	}
1240		1553
…		…
1304	my ($self, $merge) = @_;	1617	my ($self, $merge) = @_;
1305		1618
1306	# we have to keep some variables in memory intact	1619	# we have to keep some variables in memory intact
1307	local $self->{path};	1620	local $self->{path};
1308	local $self->{load_path};	1621	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1622
1312	$self->SUPER::thawer_merge ($merge);	1623	$self->SUPER::thawer_merge ($merge);
1313	}	1624	}
1314		1625
1315	sub normalise {	1626	sub normalise {
…		…
1362	$self->init; # pass $1 etc.	1673	$self->init; # pass $1 etc.
1363	return $self;	1674	return $self;
1364	}	1675	}
1365	}	1676	}
1366		1677
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	1678	Carp::cluck "unable to resolve path '$path' (base '$base').";
1368	()	1679	()
1369	}	1680	}
1370		1681
1371	sub init {	1682	sub init {
1372	my ($self) = @_;	1683	my ($self) = @_;
…		…
1413	sub change_all_map_light {	1724	sub change_all_map_light {
1414	my ($change) = @_;	1725	my ($change) = @_;
1415		1726
1416	$_->change_map_light ($change)	1727	$_->change_map_light ($change)
1417	for grep $_->outdoor, values %cf::MAP;	1728	for grep $_->outdoor, values %cf::MAP;
		1729	}
		1730
		1731	sub decay_objects {
		1732	my ($self) = @_;
		1733
		1734	return if $self->{deny_reset};
		1735
		1736	$self->do_decay_objects;
1418	}	1737	}
1419		1738
1420	sub unlink_save {	1739	sub unlink_save {
1421	my ($self) = @_;	1740	my ($self) = @_;
1422		1741
…		…
1480	$self->load_header_orig	1799	$self->load_header_orig
1481	or return;	1800	or return;
1482	$self->prepare_orig;	1801	$self->prepare_orig;
1483	}	1802	}
1484		1803
		1804	$self->{deny_reset} = 1
		1805	if $self->no_reset;
		1806
1485	$self->default_region (cf::region::find_by_path $self->{path})	1807	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	1808	unless $self->default_region;
1487		1809
1488	1	1810	1
1489	}	1811	}
…		…
1504	$map->{last_save} = $cf::RUNTIME;	1826	$map->{last_save} = $cf::RUNTIME;
1505		1827
1506	$map->load_header	1828	$map->load_header
1507	or return;	1829	or return;
1508		1830
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	1832	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	1833	#$cf::WAIT_FOR_TICK->wait;
1512	$map->reset;	1834	$map->reset;
1513	undef $guard;	1835	undef $guard;
1514	return find $path;	1836	return find $path;
…		…
1569	$self->set_darkness_map;	1891	$self->set_darkness_map;
1570	Coro::cede;	1892	Coro::cede;
1571	$self->activate;	1893	$self->activate;
1572	}	1894	}
1573		1895
		1896	$self->{last_save} = $cf::RUNTIME;
		1897	$self->last_access ($cf::RUNTIME);
		1898
1574	$self->in_memory (cf::MAP_IN_MEMORY);	1899	$self->in_memory (cf::MAP_IN_MEMORY);
1575	}	1900	}
1576		1901
1577	$self->post_load;	1902	$self->post_load;
1578	}	1903	}
…		…
1581	my ($self, $ob) = @_;	1906	my ($self, $ob) = @_;
1582		1907
1583	return find "~" . $ob->name . "/" . $self->{path}	1908	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	1909	if $self->per_player;
1585		1910
		1911	# return find "?party/" . $ob->name . "/" . $self->{path}
		1912	# if $self->per_party;
		1913
1586	$self	1914	$self
1587	}	1915	}
1588		1916
1589	# find and load all maps in the 3x3 area around a map	1917	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	1918	sub load_neighbours {
1591	my ($map) = @_;	1919	my ($map) = @_;
1592		1920
1593	my @diag; # diagonal neighbours	1921	my @neigh; # diagonal neighbours
1594		1922
1595	for (0 .. 3) {	1923	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)	1924	my $neigh = $map->tile_path ($_)
1597	or next;	1925	or next;
1598	$neigh = find $neigh, $map	1926	$neigh = find $neigh, $map
1599	or next;	1927	or next;
1600	$neigh->load;	1928	$neigh->load;
1601		1929
		1930	push @neigh,
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1931	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1932	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}	1933	}
1605		1934
1606	for (@diag) {	1935	for (grep defined $_->[0], @neigh) {
		1936	my ($path, $origin) = @$_;
1607	my $neigh = find @$_	1937	my $neigh = find $path, $origin
1608	or next;	1938	or next;
1609	$neigh->load;	1939	$neigh->load;
1610	}	1940	}
1611	}	1941	}
1612		1942
…		…
1617	}	1947	}
1618		1948
1619	sub do_load_sync {	1949	sub do_load_sync {
1620	my ($map) = @_;	1950	my ($map) = @_;
1621		1951
		1952	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1953	if $Coro::current != $Coro::main;
		1954
1622	cf::sync_job { $map->load };	1955	cf::sync_job { $map->load };
1623	}	1956	}
1624		1957
1625	our %MAP_PREFETCH;	1958	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	1959	our $MAP_PREFETCHER = undef;
1627		1960
1628	sub find_async {	1961	sub find_async {
1629	my ($path, $origin) = @_;	1962	my ($path, $origin, $load) = @_;
1630		1963
1631	$path = normalise $path, $origin && $origin->{path};	1964	$path = normalise $path, $origin && $origin->{path};
1632		1965
1633	if (my $map = $cf::MAP{$path}) {	1966	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1967	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1635	}	1968	}
1636		1969
1637	undef $MAP_PREFETCH{$path};	1970	$MAP_PREFETCH{$path} |= $load;
		1971
1638	$MAP_PREFETCHER ||= cf::async {	1972	$MAP_PREFETCHER ||= cf::async {
1639	while (%MAP_PREFETCH) {	1973	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	1974	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	1975	if (my $map = find $k) {
1642	or next;
1643	$map->load;	1976	$map->load if $v;
		1977	}
1644		1978
1645	delete $MAP_PREFETCH{$path};	1979	delete $MAP_PREFETCH{$k};
1646	}	1980	}
1647	}	1981	}
1648	undef $MAP_PREFETCHER;	1982	undef $MAP_PREFETCHER;
1649	};	1983	};
1650	$MAP_PREFETCHER->prio (6);	1984	$MAP_PREFETCHER->prio (6);
…		…
1700		2034
1701	sub reset_at {	2035	sub reset_at {
1702	my ($self) = @_;	2036	my ($self) = @_;
1703		2037
1704	# TODO: safety, remove and allow resettable per-player maps	2038	# TODO: safety, remove and allow resettable per-player maps
1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1706	return 1e99 if $self->{deny_reset};	2039	return 1e99 if $self->{deny_reset};
1707		2040
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2041	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2042	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2043
…		…
1721	my ($self) = @_;	2054	my ($self) = @_;
1722		2055
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2056	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2057
1725	return if $self->players;	2058	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2059
1728	warn "resetting map ", $self->path;#d#	2060	warn "resetting map ", $self->path;
1729		2061
1730	$self->in_memory (cf::MAP_SWAPPED);	2062	$self->in_memory (cf::MAP_SWAPPED);
1731		2063
1732	# need to save uniques path	2064	# need to save uniques path
1733	unless ($self->{deny_save}) {	2065	unless ($self->{deny_save}) {
…		…
1765	$cf::MAP{$self->path} = $self;	2097	$cf::MAP{$self->path} = $self;
1766		2098
1767	$self->reset; # polite request, might not happen	2099	$self->reset; # polite request, might not happen
1768	}	2100	}
1769		2101
		2102	=item $maps = cf::map::tmp_maps
		2103
		2104	Returns an arrayref with all map paths of currently instantiated and saved
		2105	maps. May block.
		2106
		2107	=cut
		2108
		2109	sub tmp_maps() {
		2110	[
		2111	map {
		2112	utf8::decode $_;
		2113	/\.map$/
		2114	? normalise $_
		2115	: ()
		2116	} @{ aio_readdir $TMPDIR or [] }
		2117	]
		2118	}
		2119
		2120	=item $maps = cf::map::random_maps
		2121
		2122	Returns an arrayref with all map paths of currently instantiated and saved
		2123	random maps. May block.
		2124
		2125	=cut
		2126
		2127	sub random_maps() {
		2128	[
		2129	map {
		2130	utf8::decode $_;
		2131	/\.map$/
		2132	? normalise "?random/$_"
		2133	: ()
		2134	} @{ aio_readdir $RANDOMDIR or [] }
		2135	]
		2136	}
		2137
1770	=item cf::map::unique_maps	2138	=item cf::map::unique_maps
1771		2139
1772	Returns an arrayref of paths of all shared maps that have	2140	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2141	instantiated unique items. May block.
1774		2142
1775	=cut	2143	=cut
1776		2144
1777	sub unique_maps() {	2145	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2146	[
1779	or return;	2147	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2148	utf8::decode $_;
1785	next if /\.pst$/;	2149	/\.map$/
1786	next unless /^$PATH_SEP/o;	2150	? normalise $_
1787		2151	: ()
1788	push @paths, cf::map::normalise $_;	2152	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2153	]
1790
1791	\@paths
1792	}	2154	}
1793		2155
1794	package cf;	2156	package cf;
1795		2157
1796	=back	2158	=back
…		…
1842		2204
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2205	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2206
1845	if ($self->{record_replies}) {	2207	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2208	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2209
1847	} else {	2210	} else {
		2211	my $pl = $self->contr;
		2212
		2213	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2214	my $dialog = $pl->{npc_dialog};
		2215	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2216
		2217	} else {
1848	$msg = $npc->name . " says: $msg" if $npc;	2218	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2219	$self->message ($msg, $flags);
		2220	}
1850	}	2221	}
		2222	}
		2223
		2224	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2225
		2226	=cut
		2227
		2228	sub cf::object::send_msg {
		2229	my $pl = shift->contr
		2230	or return;
		2231	$pl->send_msg (@_);
1851	}	2232	}
1852		2233
1853	=item $player_object->may ("access")	2234	=item $player_object->may ("access")
1854		2235
1855	Returns wether the given player is authorized to access resource "access"	2236	Returns wether the given player is authorized to access resource "access"
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2315	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2316	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2317	if $x <=0 && $y <= 0;
1937		2318
1938	$map->load;	2319	$map->load;
1939	$map->load_diag;	2320	$map->load_neighbours;
1940		2321
1941	return unless $self->contr->active;	2322	return unless $self->contr->active;
1942	$self->activate_recursive;	2323	$self->activate_recursive;
1943		2324
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2325	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2326	$self->enter_map ($map, $x, $y);
1946	}	2327	}
1947		2328
1948	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2329	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949		2330
1950	Moves the player to the given map-path and coordinates by first freezing	2331	Moves the player to the given map-path and coordinates by first freezing
1951	her, loading and preparing them map, calling the provided $check callback	2332	her, loading and preparing them map, calling the provided $check callback
1952	that has to return the map if sucecssful, and then unfreezes the player on	2333	that has to return the map if sucecssful, and then unfreezes the player on
1953	the new (success) or old (failed) map position.	2334	the new (success) or old (failed) map position. In either case, $done will
		2335	be called at the end of this process.
1954		2336
1955	=cut	2337	=cut
1956		2338
1957	our $GOTOGEN;	2339	our $GOTOGEN;
1958		2340
1959	sub cf::object::player::goto {	2341	sub cf::object::player::goto {
1960	my ($self, $path, $x, $y, $check) = @_;	2342	my ($self, $path, $x, $y, $check, $done) = @_;
1961		2343
1962	# do generation counting so two concurrent goto's will be executed in-order	2344	# do generation counting so two concurrent goto's will be executed in-order
1963	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2345	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964		2346
1965	$self->enter_link;	2347	$self->enter_link;
…		…
1985		2367
1986	if ($gen == $self->{_goto_generation}) {	2368	if ($gen == $self->{_goto_generation}) {
1987	delete $self->{_goto_generation};	2369	delete $self->{_goto_generation};
1988	$self->leave_link ($map, $x, $y);	2370	$self->leave_link ($map, $x, $y);
1989	}	2371	}
		2372
		2373	$done->() if $done;
1990	})->prio (1);	2374	})->prio (1);
1991	}	2375	}
1992		2376
1993	=item $player_object->enter_exit ($exit_object)	2377	=item $player_object->enter_exit ($exit_object)
1994		2378
…		…
2063	my $hp = $exit->stats->hp;	2447	my $hp = $exit->stats->hp;
2064	my $sp = $exit->stats->sp;	2448	my $sp = $exit->stats->sp;
2065		2449
2066	$self->enter_link;	2450	$self->enter_link;
2067		2451
		2452	# if exit is damned, update players death & WoR home-position
		2453	$self->contr->savebed ($slaying, $hp, $sp)
		2454	if $exit->flag (FLAG_DAMNED);
		2455
2068	(async {	2456	(async {
2069	$self->deactivate_recursive; # just to be sure	2457	$self->deactivate_recursive; # just to be sure
2070	unless (eval {	2458	unless (eval {
2071	$self->goto ($slaying, $hp, $sp);	2459	$self->goto ($slaying, $hp, $sp);
2072		2460
…		…
2099		2487
2100	utf8::encode $text;	2488	utf8::encode $text;
2101	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2489	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2102	}	2490	}
2103		2491
		2492	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2493
		2494	Send a drawinfo or msg packet to the client, formatting the msg for the
		2495	client if neccessary. C<$type> should be a string identifying the type of
		2496	the message, with C<log> being the default. If C<$color> is negative, suppress
		2497	the message unless the client supports the msg packet.
		2498
		2499	=cut
		2500
		2501	sub cf::client::send_msg {
		2502	my ($self, $channel, $msg, $color, @extra) = @_;
		2503
		2504	$msg = $self->pl->expand_cfpod ($msg);
		2505
		2506	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2507
		2508	if (ref $channel) {
		2509	# send meta info to client, if not yet sent
		2510	unless (exists $self->{channel}{$channel->{id}}) {
		2511	$self->{channel}{$channel->{id}} = $channel;
		2512	$self->ext_msg (channel_info => $channel);
		2513	}
		2514
		2515	$channel = $channel->{id};
		2516	}
		2517
		2518	return unless @extra || length $msg;
		2519
		2520	if ($self->can_msg) {
		2521	# default colour, mask it out
		2522	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2523	if $color & cf::NDI_DEF;
		2524
		2525	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2526	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2527	} else {
		2528	if ($color >= 0) {
		2529	# replace some tags by gcfclient-compatible ones
		2530	for ($msg) {
		2531	1 while
		2532	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2533	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2534	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2535	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2536	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2537	}
		2538
		2539	$color &= cf::NDI_COLOR_MASK;
		2540
		2541	utf8::encode $msg;
		2542
		2543	if (0 && $msg =~ /\[/) {
		2544	# COMMAND/INFO
		2545	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2546	} else {
		2547	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2548	$self->send_packet ("drawinfo $color $msg")
		2549	}
		2550	}
		2551	}
		2552	}
		2553
2104	=item $client->ext_event ($type, %msg)	2554	=item $client->ext_msg ($type, @msg)
2105		2555
2106	Sends an exti event to the client.	2556	Sends an ext event to the client.
2107		2557
2108	=cut	2558	=cut
2109		2559
2110	sub cf::client::ext_event($$%) {	2560	sub cf::client::ext_msg($$@) {
2111	my ($self, $type, %msg) = @_;	2561	my ($self, $type, @msg) = @_;
2112		2562
		2563	my $extcmd = $self->extcmd;
		2564
		2565	if ($extcmd == 2) {
		2566	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2567	} elsif ($extcmd == 1) { # TODO: remove
2113	$msg{msgtype} = "event_$type";	2568	push @msg, msgtype => "event_$type";
2114	$self->send_packet ("ext " . cf::to_json \%msg);	2569	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2570	}
		2571	}
		2572
		2573	=item $client->ext_reply ($msgid, @msg)
		2574
		2575	Sends an ext reply to the client.
		2576
		2577	=cut
		2578
		2579	sub cf::client::ext_reply($$@) {
		2580	my ($self, $id, @msg) = @_;
		2581
		2582	if ($self->extcmd == 2) {
		2583	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2584	} elsif ($self->ns->extcmd == 1) {
		2585	#TODO: version 1, remove
		2586	unshift @msg, msgtype => "reply", msgid => $id;
		2587	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2588	}
2115	}	2589	}
2116		2590
2117	=item $success = $client->query ($flags, "text", \&cb)	2591	=item $success = $client->query ($flags, "text", \&cb)
2118		2592
2119	Queues a query to the client, calling the given callback with	2593	Queues a query to the client, calling the given callback with
2120	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2594	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2121	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2595	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2122		2596
2123	Queries can fail, so check the return code. Or don't, as queries will become	2597	Queries can fail, so check the return code. Or don't, as queries will
2124	reliable at some point in the future.	2598	become reliable at some point in the future.
2125		2599
2126	=cut	2600	=cut
2127		2601
2128	sub cf::client::query {	2602	sub cf::client::query {
2129	my ($self, $flags, $text, $cb) = @_;	2603	my ($self, $flags, $text, $cb) = @_;
…		…
2137	utf8::encode $text;	2611	utf8::encode $text;
2138	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2612	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139		2613
2140	$self->send_packet ($self->{query_queue}[0][0])	2614	$self->send_packet ($self->{query_queue}[0][0])
2141	if @{ $self->{query_queue} } == 1;	2615	if @{ $self->{query_queue} } == 1;
		2616
		2617	1
2142	}	2618	}
2143		2619
2144	cf::client->attach (	2620	cf::client->attach (
		2621	on_connect => sub {
		2622	my ($ns) = @_;
		2623
		2624	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2625	},
2145	on_reply => sub {	2626	on_reply => sub {
2146	my ($ns, $msg) = @_;	2627	my ($ns, $msg) = @_;
2147		2628
2148	# this weird shuffling is so that direct followup queries	2629	# this weird shuffling is so that direct followup queries
2149	# get handled first	2630	# get handled first
…		…
2161	} else {	2642	} else {
2162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2643	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163	}	2644	}
2164	}	2645	}
2165	},	2646	},
		2647	on_exticmd => sub {
		2648	my ($ns, $buf) = @_;
		2649
		2650	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2651
		2652	if (ref $msg) {
		2653	my ($type, $reply, @payload) =
		2654	"ARRAY" eq ref $msg
		2655	? @$msg
		2656	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2657
		2658	my @reply;
		2659
		2660	if (my $cb = $EXTICMD{$type}) {
		2661	@reply = $cb->($ns, @payload);
		2662	}
		2663
		2664	$ns->ext_reply ($reply, @reply)
		2665	if $reply;
		2666
		2667	} else {
		2668	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2669	}
		2670
		2671	cf::override;
		2672	},
2166	);	2673	);
2167		2674
2168	=item $client->async (\&cb)	2675	=item $client->async (\&cb)
2169		2676
2170	Create a new coroutine, running the specified callback. The coroutine will	2677	Create a new coroutine, running the specified callback. The coroutine will
…		…
2211	our $safe = new Safe "safe";	2718	our $safe = new Safe "safe";
2212	our $safe_hole = new Safe::Hole;	2719	our $safe_hole = new Safe::Hole;
2213		2720
2214	$SIG{FPE} = 'IGNORE';	2721	$SIG{FPE} = 'IGNORE';
2215		2722
2216	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2723	$safe->permit_only (Opcode::opset qw(
		2724	:base_core :base_mem :base_orig :base_math
		2725	grepstart grepwhile mapstart mapwhile
		2726	sort time
		2727	));
2217		2728
2218	# here we export the classes and methods available to script code	2729	# here we export the classes and methods available to script code
2219		2730
2220	=pod	2731	=pod
2221		2732
2222	The following functions and methods are available within a safe environment:	2733	The following functions and methods are available within a safe environment:
2223		2734
2224	cf::object contr pay_amount pay_player map	2735	cf::object
		2736	contr pay_amount pay_player map x y force_find force_add
		2737	insert remove name archname title slaying race decrease_ob_nr
		2738
2225	cf::object::player player	2739	cf::object::player
2226	cf::player peaceful	2740	player
2227	cf::map trigger	2741
		2742	cf::player
		2743	peaceful
		2744
		2745	cf::map
		2746	trigger
2228		2747
2229	=cut	2748	=cut
2230		2749
2231	for (	2750	for (
2232	["cf::object" => qw(contr pay_amount pay_player map)],	2751	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2752	insert remove inv name archname title slaying race
		2753	decrease_ob_nr)],
2233	["cf::object::player" => qw(player)],	2754	["cf::object::player" => qw(player)],
2234	["cf::player" => qw(peaceful)],	2755	["cf::player" => qw(peaceful)],
2235	["cf::map" => qw(trigger)],	2756	["cf::map" => qw(trigger)],
2236	) {	2757	) {
2237	no strict 'refs';	2758	no strict 'refs';
…		…
2308	=back	2829	=back
2309		2830
2310	=cut	2831	=cut
2311		2832
2312	#############################################################################	2833	#############################################################################
2313
2314	=head2 EXTENSION DATABASE SUPPORT
2315
2316	Crossfire maintains a very simple database for extension use. It can
2317	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2318	convert to/from binary).
2319
2320	The parameter C<$family> should best start with the name of the extension
2321	using it, it should be unique.
2322
2323	=over 4
2324
2325	=item $value = cf::db_get $family => $key
2326
2327	Returns a single value from the database.
2328
2329	=item cf::db_put $family => $key => $value
2330
2331	Stores the given C<$value> in the family.
2332
2333	=cut
2334
2335	our $DB;
2336
2337	sub db_init {
2338	unless ($DB) {
2339	$DB = BDB::db_create $DB_ENV;
2340
2341	cf::sync_job {
2342	eval {
2343	$DB->set_flags (BDB::CHKSUM);
2344
2345	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2346	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2347	cf::cleanup "db_open(db): $!" if $!;
2348	};
2349	cf::cleanup "db_open(db): $@" if $@;
2350	};
2351	}
2352	}
2353
2354	sub db_get($$) {
2355	my $key = "$_[0]/$_[1]";
2356
2357	cf::sync_job {
2358	BDB::db_get $DB, undef, $key, my $data;
2359
2360	$! ? ()
2361	: $data
2362	}
2363	}
2364
2365	sub db_put($$$) {
2366	BDB::dbreq_pri 4;
2367	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2368	}
2369
2370	=item cf::cache $id => [$paths...], $processversion => $process
2371
2372	Generic caching function that returns the value of the resource $id,
2373	caching and regenerating as required.
2374
2375	This function can block.
2376
2377	=cut
2378
2379	sub cache {
2380	my ($id, $src, $processversion, $process) = @_;
2381
2382	my $meta =
2383	join "\x00",
2384	$processversion,
2385	map {
2386	aio_stat $_
2387	and Carp::croak "$_: $!";
2388
2389	($_, (stat _)[7,9])
2390	} @$src;
2391
2392	my $dbmeta = db_get cache => "$id/meta";
2393	if ($dbmeta ne $meta) {
2394	# changed, we may need to process
2395
2396	my @data;
2397	my $md5;
2398
2399	for (0 .. $#$src) {
2400	0 <= aio_load $src->[$_], $data[$_]
2401	or Carp::croak "$src->[$_]: $!";
2402	}
2403
2404	# if processing is expensive, check
2405	# checksum first
2406	if (1) {
2407	$md5 =
2408	join "\x00",
2409	$processversion,
2410	map {
2411	Coro::cede;
2412	($src->[$_], Digest::MD5::md5_hex $data[$_])
2413	} 0.. $#$src;
2414
2415
2416	my $dbmd5 = db_get cache => "$id/md5";
2417	if ($dbmd5 eq $md5) {
2418	db_put cache => "$id/meta", $meta;
2419
2420	return db_get cache => "$id/data";
2421	}
2422	}
2423
2424	my $t1 = Time::HiRes::time;
2425	my $data = $process->(\@data);
2426	my $t2 = Time::HiRes::time;
2427
2428	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2429
2430	db_put cache => "$id/data", $data;
2431	db_put cache => "$id/md5" , $md5;
2432	db_put cache => "$id/meta", $meta;
2433
2434	return $data;
2435	}
2436
2437	db_get cache => "$id/data"
2438	}
2439
2440	=item fork_call { }, $args
2441
2442	Executes the given code block with the given arguments in a seperate
2443	process, returning the results. Everything must be serialisable with
2444	Coro::Storable. May, of course, block. Note that the executed sub may
2445	never block itself or use any form of Event handling.
2446
2447	=cut
2448
2449	sub fork_call(&@) {
2450	my ($cb, @args) = @_;
2451
2452	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2453	# or die "socketpair: $!";
2454	pipe my $fh1, my $fh2
2455	or die "pipe: $!";
2456
2457	if (my $pid = fork) {
2458	close $fh2;
2459
2460	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2461	$res = Coro::Storable::thaw $res;
2462
2463	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2464
2465	die $$res unless "ARRAY" eq ref $res;
2466
2467	return wantarray ? @$res : $res->[-1];
2468	} else {
2469	reset_signals;
2470	local $SIG{__WARN__};
2471	local $SIG{__DIE__};
2472	eval {
2473	close $fh1;
2474
2475	my @res = eval { $cb->(@args) };
2476	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2477	};
2478
2479	warn $@ if $@;
2480	_exit 0;
2481	}
2482	}
2483
2484	#############################################################################
2485	# the server's init and main functions	2834	# the server's init and main functions
2486		2835
2487	sub load_facedata($) {	2836	sub load_facedata($) {
2488	my ($path) = @_;	2837	my ($path) = @_;
		2838
		2839	my $enc = JSON::XS->new->utf8->canonical;
2489		2840
2490	warn "loading facedata from $path\n";	2841	warn "loading facedata from $path\n";
2491		2842
2492	my $facedata;	2843	my $facedata;
2493	0 < aio_load $path, $facedata	2844	0 < aio_load $path, $facedata
…		…
2496	$facedata = Coro::Storable::thaw $facedata;	2847	$facedata = Coro::Storable::thaw $facedata;
2497		2848
2498	$facedata->{version} == 2	2849	$facedata->{version} == 2
2499	or cf::cleanup "$path: version mismatch, cannot proceed.";	2850	or cf::cleanup "$path: version mismatch, cannot proceed.";
2500		2851
		2852	# patch in the exptable
		2853	$facedata->{resource}{"res/exp_table"} = {
		2854	type => FT_RSRC,
		2855	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2856	};
		2857	cf::cede_to_tick;
		2858
2501	{	2859	{
2502	my $faces = $facedata->{faceinfo};	2860	my $faces = $facedata->{faceinfo};
2503		2861
2504	while (my ($face, $info) = each %$faces) {	2862	while (my ($face, $info) = each %$faces) {
2505	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2863	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2506	warn "$face $info->{magicmap}\n" if $face =~ /obol/;#d#
2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2864	cf::face::set_visibility $idx, $info->{visibility};
		2865	cf::face::set_magicmap $idx, $info->{magicmap};
2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2866	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2867	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2510	Coro::cede;	2868
		2869	cf::cede_to_tick;
2511	}	2870	}
2512		2871
2513	while (my ($face, $info) = each %$faces) {	2872	while (my ($face, $info) = each %$faces) {
2514	next unless $info->{smooth};	2873	next unless $info->{smooth};
2515	my $idx = cf::face::find $face	2874	my $idx = cf::face::find $face
2516	or next;	2875	or next;
2517	if (my $smooth = cf::face::find $info->{smooth}) {	2876	if (my $smooth = cf::face::find $info->{smooth}) {
		2877	cf::face::set_smooth $idx, $smooth;
2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2878	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519	} else {	2879	} else {
2520	warn "smooth face '$info->{smooth}' not found for face '$face'";	2880	warn "smooth face '$info->{smooth}' not found for face '$face'";
2521	}	2881	}
2522	Coro::cede;	2882
		2883	cf::cede_to_tick;
2523	}	2884	}
2524	}	2885	}
2525		2886
2526	{	2887	{
2527	my $anims = $facedata->{animinfo};	2888	my $anims = $facedata->{animinfo};
2528		2889
2529	while (my ($anim, $info) = each %$anims) {	2890	while (my ($anim, $info) = each %$anims) {
2530	cf::anim::set $anim, $info->{frames}, $info->{facings};	2891	cf::anim::set $anim, $info->{frames}, $info->{facings};
2531	Coro::cede;	2892	cf::cede_to_tick;
2532	}	2893	}
2533		2894
2534	cf::anim::invalidate_all; # d'oh	2895	cf::anim::invalidate_all; # d'oh
2535	}	2896	}
2536		2897
		2898	{
		2899	# TODO: for gcfclient pleasure, we should give resources
		2900	# that gcfclient doesn't grok a >10000 face index.
		2901	my $res = $facedata->{resource};
		2902
		2903	my $soundconf = delete $res->{"res/sound.conf"};
		2904
		2905	while (my ($name, $info) = each %$res) {
		2906	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2907	my $data;
		2908
		2909	if ($info->{type} & 1) {
		2910	# prepend meta info
		2911
		2912	my $meta = $enc->encode ({
		2913	name => $name,
		2914	%{ $info->{meta} || {} },
		2915	});
		2916
		2917	$data = pack "(w/a*)*", $meta, $info->{data};
		2918	} else {
		2919	$data = $info->{data};
		2920	}
		2921
		2922	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2923	cf::face::set_type $idx, $info->{type};
		2924
		2925	cf::cede_to_tick;
		2926	}
		2927
		2928	if ($soundconf) {
		2929	$soundconf = $enc->decode (delete $soundconf->{data});
		2930
		2931	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2932	my $sound = $soundconf->{compat}[$_]
		2933	or next;
		2934
		2935	my $face = cf::face::find "sound/$sound->[1]";
		2936	cf::sound::set $sound->[0] => $face;
		2937	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2938	}
		2939
		2940	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2941	my $face = cf::face::find "sound/$v";
		2942	cf::sound::set $k => $face;
		2943	}
		2944	}
		2945	}
		2946
2537	1	2947	1
2538	}	2948	}
		2949
		2950	register_exticmd fx_want => sub {
		2951	my ($ns, $want) = @_;
		2952
		2953	while (my ($k, $v) = each %$want) {
		2954	$ns->fx_want ($k, $v);
		2955	}
		2956	};
2539		2957
2540	sub reload_regions {	2958	sub reload_regions {
2541	load_resource_file "$MAPDIR/regions"	2959	load_resource_file "$MAPDIR/regions"
2542	or die "unable to load regions file\n";	2960	or die "unable to load regions file\n";
		2961
		2962	for (cf::region::list) {
		2963	$_->{match} = qr/$_->{match}/
		2964	if exists $_->{match};
		2965	}
2543	}	2966	}
2544		2967
2545	sub reload_facedata {	2968	sub reload_facedata {
2546	load_facedata "$DATADIR/facedata"	2969	load_facedata "$DATADIR/facedata"
2547	or die "unable to load facedata\n";	2970	or die "unable to load facedata\n";
2548	}	2971	}
2549		2972
2550	sub reload_archetypes {	2973	sub reload_archetypes {
2551	load_resource_file "$DATADIR/archetypes"	2974	load_resource_file "$DATADIR/archetypes"
2552	or die "unable to load archetypes\n";	2975	or die "unable to load archetypes\n";
		2976	#d# NEED to laod twice to resolve forward references
		2977	# this really needs to be done in an extra post-pass
		2978	# (which needs to be synchronous, so solve it differently)
		2979	load_resource_file "$DATADIR/archetypes"
		2980	or die "unable to load archetypes\n";
2553	}	2981	}
2554		2982
2555	sub reload_treasures {	2983	sub reload_treasures {
2556	load_resource_file "$DATADIR/treasures"	2984	load_resource_file "$DATADIR/treasures"
2557	or die "unable to load treasurelists\n";	2985	or die "unable to load treasurelists\n";
…		…
2560	sub reload_resources {	2988	sub reload_resources {
2561	warn "reloading resource files...\n";	2989	warn "reloading resource files...\n";
2562		2990
2563	reload_regions;	2991	reload_regions;
2564	reload_facedata;	2992	reload_facedata;
		2993	#reload_archetypes;#d#
2565	reload_archetypes;	2994	reload_archetypes;
2566	reload_treasures;	2995	reload_treasures;
2567		2996
2568	warn "finished reloading resource files\n";	2997	warn "finished reloading resource files\n";
2569	}	2998	}
…		…
2626	},	3055	},
2627	);	3056	);
2628	}	3057	}
2629	}	3058	}
2630		3059
		3060	sub write_runtime {
		3061	my $runtime = "$LOCALDIR/runtime";
		3062
		3063	# first touch the runtime file to show we are still running:
		3064	# the fsync below can take a very very long time.
		3065
		3066	IO::AIO::aio_utime $runtime, undef, undef;
		3067
		3068	my $guard = cf::lock_acquire "write_runtime";
		3069
		3070	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3071	or return;
		3072
		3073	my $value = $cf::RUNTIME + 90 + 10;
		3074	# 10 is the runtime save interval, for a monotonic clock
		3075	# 60 allows for the watchdog to kill the server.
		3076
		3077	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3078	and return;
		3079
		3080	# always fsync - this file is important
		3081	aio_fsync $fh
		3082	and return;
		3083
		3084	# touch it again to show we are up-to-date
		3085	aio_utime $fh, undef, undef;
		3086
		3087	close $fh
		3088	or return;
		3089
		3090	aio_rename "$runtime~", $runtime
		3091	and return;
		3092
		3093	warn "runtime file written.\n";
		3094
		3095	1
		3096	}
		3097
2631	sub emergency_save() {	3098	sub emergency_save() {
2632	my $freeze_guard = cf::freeze_mainloop;	3099	my $freeze_guard = cf::freeze_mainloop;
2633		3100
2634	warn "enter emergency perl save\n";	3101	warn "enter emergency perl save\n";
2635		3102
…		…
2710	%EXT_CORO = ();	3177	%EXT_CORO = ();
2711		3178
2712	warn "removing commands";	3179	warn "removing commands";
2713	%COMMAND = ();	3180	%COMMAND = ();
2714		3181
2715	warn "removing ext commands";	3182	warn "removing ext/exti commands";
2716	%EXTCMD = ();	3183	%EXTCMD = ();
		3184	%EXTICMD = ();
2717		3185
2718	warn "unloading/nuking all extensions";	3186	warn "unloading/nuking all extensions";
2719	for my $pkg (@EXTS) {	3187	for my $pkg (@EXTS) {
2720	warn "... unloading $pkg";	3188	warn "... unloading $pkg";
2721		3189

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