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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 1.352 by root, Sun Sep 2 04:57:14 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/(?<![BIUGHT])</&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	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1478	# replace G<male|female> tags
		1479	|| s{G<([^>|]*)\|([^>]*)>}{
		1480	$self->gender ? $2 : $1
		1481	}ge
		1482	# replace H<hint text>
		1483	|| s{H<([^\>]*)>}
		1484	{
		1485	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1486	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1487	"")
		1488	[$self->{hintmode}]
		1489	}ge;
		1490
		1491	# create single paragraphs (very hackish)
		1492	s/(?<=\S)\n(?=\w)/ /g;
		1493
		1494	# compress some whitespace
		1495	s/\s+\n/\n/g; # ws line-ends
		1496	s/\n\n+/\n/g; # double lines
		1497	s/^\n+//; # beginning lines
		1498	s/\n+$//; # ending lines
		1499
		1500	$_
		1501	}
		1502
		1503	sub hintmode {
		1504	$_[0]{hintmode} = $_[1] if @_ > 1;
		1505	$_[0]{hintmode}
		1506	}
		1507
1190	=item $player->ext_reply ($msgid, %msg)	1508	=item $player->ext_reply ($msgid, @msg)
1191		1509
1192	Sends an ext reply to the player.	1510	Sends an ext reply to the player.
1193		1511
1194	=cut	1512	=cut
1195		1513
1196	sub ext_reply($$%) {	1514	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1515	my ($self, $id, @msg) = @_;
1198		1516
1199	$msg{msgid} = $id;	1517	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1518	}
1203		1519
1204	=item $player->ext_event ($type, %msg)	1520	=item $player->ext_msg ($type, @msg)
1205		1521
1206	Sends an ext event to the client.	1522	Sends an ext event to the client.
1207		1523
1208	=cut	1524	=cut
1209		1525
1210	sub ext_event($$%) {	1526	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1527	my ($self, $type, @msg) = @_;
1212		1528
1213	$self->ns->ext_event ($type, %msg);	1529	$self->ns->ext_msg ($type, @msg);
1214	}	1530	}
1215		1531
1216	=head3 cf::region	1532	=head3 cf::region
1217		1533
1218	=over 4	1534	=over 4
…		…
1221		1537
1222	package cf::region;	1538	package cf::region;
1223		1539
1224	=item cf::region::find_by_path $path	1540	=item cf::region::find_by_path $path
1225		1541
1226	Tries to decuce the probable region for a map knowing only its path.	1542	Tries to decuce the likely region for a map knowing only its path.
1227		1543
1228	=cut	1544	=cut
1229		1545
1230	sub find_by_path($) {	1546	sub find_by_path($) {
1231	my ($path) = @_;	1547	my ($path) = @_;
1232		1548
1233	my ($match, $specificity);	1549	my ($match, $specificity);
1234		1550
1235	for my $region (list) {	1551	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1552	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1553	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1554	if $region->specificity > $specificity;
1239	}	1555	}
1240	}	1556	}
1241		1557
…		…
1361	$self->init; # pass $1 etc.	1677	$self->init; # pass $1 etc.
1362	return $self;	1678	return $self;
1363	}	1679	}
1364	}	1680	}
1365		1681
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	1682	Carp::cluck "unable to resolve path '$path' (base '$base').";
1367	()	1683	()
1368	}	1684	}
1369		1685
1370	sub init {	1686	sub init {
1371	my ($self) = @_;	1687	my ($self) = @_;
…		…
1537	local $self->{deny_reset} = 1; # loading can take a long time	1853	local $self->{deny_reset} = 1; # loading can take a long time
1538		1854
1539	my $path = $self->{path};	1855	my $path = $self->{path};
1540		1856
1541	{	1857	{
		1858	my $guard1 = cf::lock_acquire "map_data:$path";
1542	my $guard = cf::lock_acquire "map_load:$path";	1859	my $guard2 = cf::lock_acquire "map_load:$path";
1543		1860
1544	return if $self->in_memory != cf::MAP_SWAPPED;	1861	return if $self->in_memory != cf::MAP_SWAPPED;
1545		1862
1546	$self->in_memory (cf::MAP_LOADING);	1863	$self->in_memory (cf::MAP_LOADING);
1547		1864
1548	$self->alloc;	1865	$self->alloc;
1549		1866
1550	$self->pre_load;	1867	$self->pre_load;
1551	Coro::cede;	1868	cf::cede_to_tick;
1552		1869
1553	$self->_load_objects ($self->{load_path}, 1)	1870	$self->_load_objects ($self->{load_path}, 1)
1554	or return;	1871	or return;
1555		1872
1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1873	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
…		…
1562	$self->clear_unique_items;	1879	$self->clear_unique_items;
1563	$self->_load_objects ($uniq, 0);	1880	$self->_load_objects ($uniq, 0);
1564	}	1881	}
1565	}	1882	}
1566		1883
1567	Coro::cede;	1884	cf::cede_to_tick;
1568	# now do the right thing for maps	1885	# now do the right thing for maps
1569	$self->link_multipart_objects;	1886	$self->link_multipart_objects;
1570	$self->difficulty ($self->estimate_difficulty)	1887	$self->difficulty ($self->estimate_difficulty)
1571	unless $self->difficulty;	1888	unless $self->difficulty;
1572	Coro::cede;	1889	cf::cede_to_tick;
1573		1890
1574	unless ($self->{deny_activate}) {	1891	unless ($self->{deny_activate}) {
1575	$self->decay_objects;	1892	$self->decay_objects;
1576	$self->fix_auto_apply;	1893	$self->fix_auto_apply;
1577	$self->update_buttons;	1894	$self->update_buttons;
1578	Coro::cede;	1895	cf::cede_to_tick;
1579	$self->set_darkness_map;	1896	$self->set_darkness_map;
1580	Coro::cede;	1897	cf::cede_to_tick;
1581	$self->activate;	1898	$self->activate;
1582	}	1899	}
		1900
		1901	$self->{last_save} = $cf::RUNTIME;
		1902	$self->last_access ($cf::RUNTIME);
1583		1903
1584	$self->in_memory (cf::MAP_IN_MEMORY);	1904	$self->in_memory (cf::MAP_IN_MEMORY);
1585	}	1905	}
1586		1906
1587	$self->post_load;	1907	$self->post_load;
…		…
1598		1918
1599	$self	1919	$self
1600	}	1920	}
1601		1921
1602	# find and load all maps in the 3x3 area around a map	1922	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {	1923	sub load_neighbours {
1604	my ($map) = @_;	1924	my ($map) = @_;
1605		1925
1606	my @diag; # diagonal neighbours	1926	my @neigh; # diagonal neighbours
1607		1927
1608	for (0 .. 3) {	1928	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)	1929	my $neigh = $map->tile_path ($_)
1610	or next;	1930	or next;
1611	$neigh = find $neigh, $map	1931	$neigh = find $neigh, $map
1612	or next;	1932	or next;
1613	$neigh->load;	1933	$neigh->load;
1614		1934
		1935	push @neigh,
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1936	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1937	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}	1938	}
1618		1939
1619	for (@diag) {	1940	for (grep defined $_->[0], @neigh) {
		1941	my ($path, $origin) = @$_;
1620	my $neigh = find @$_	1942	my $neigh = find $path, $origin
1621	or next;	1943	or next;
1622	$neigh->load;	1944	$neigh->load;
1623	}	1945	}
1624	}	1946	}
1625		1947
…		…
1630	}	1952	}
1631		1953
1632	sub do_load_sync {	1954	sub do_load_sync {
1633	my ($map) = @_;	1955	my ($map) = @_;
1634		1956
		1957	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1958	if $Coro::current == $Coro::main;
		1959
1635	cf::sync_job { $map->load };	1960	cf::sync_job { $map->load };
1636	}	1961	}
1637		1962
1638	our %MAP_PREFETCH;	1963	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	1964	our $MAP_PREFETCHER = undef;
1640		1965
1641	sub find_async {	1966	sub find_async {
1642	my ($path, $origin) = @_;	1967	my ($path, $origin, $load) = @_;
1643		1968
1644	$path = normalise $path, $origin && $origin->{path};	1969	$path = normalise $path, $origin && $origin->{path};
1645		1970
1646	if (my $map = $cf::MAP{$path}) {	1971	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1972	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1648	}	1973	}
1649		1974
1650	undef $MAP_PREFETCH{$path};	1975	$MAP_PREFETCH{$path} |= $load;
		1976
1651	$MAP_PREFETCHER ||= cf::async {	1977	$MAP_PREFETCHER ||= cf::async {
1652	while (%MAP_PREFETCH) {	1978	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	1979	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	1980	if (my $map = find $k) {
1655	or next;
1656	$map->load;	1981	$map->load if $v;
		1982	}
1657		1983
1658	delete $MAP_PREFETCH{$path};	1984	delete $MAP_PREFETCH{$k};
1659	}	1985	}
1660	}	1986	}
1661	undef $MAP_PREFETCHER;	1987	undef $MAP_PREFETCHER;
1662	};	1988	};
1663	$MAP_PREFETCHER->prio (6);	1989	$MAP_PREFETCHER->prio (6);
…		…
1666	}	1992	}
1667		1993
1668	sub save {	1994	sub save {
1669	my ($self) = @_;	1995	my ($self) = @_;
1670		1996
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;	1997	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		1998
1673	$self->{last_save} = $cf::RUNTIME;	1999	$self->{last_save} = $cf::RUNTIME;
1674		2000
1675	return unless $self->dirty;	2001	return unless $self->dirty;
1676		2002
…		…
1699	my ($self) = @_;	2025	my ($self) = @_;
1700		2026
1701	# save first because save cedes	2027	# save first because save cedes
1702	$self->save;	2028	$self->save;
1703		2029
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2030	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2031
1706	return if $self->players;	2032	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;	2033	return if $self->in_memory != cf::MAP_IN_MEMORY;
1708	return if $self->{deny_save};	2034	return if $self->{deny_save};
1709		2035
…		…
1761	my $nuke_counter = "aaaa";	2087	my $nuke_counter = "aaaa";
1762		2088
1763	sub nuke {	2089	sub nuke {
1764	my ($self) = @_;	2090	my ($self) = @_;
1765		2091
		2092	{
		2093	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2094
1766	delete $cf::MAP{$self->path};	2095	delete $cf::MAP{$self->path};
1767		2096
1768	$self->unlink_save;	2097	$self->unlink_save;
1769		2098
1770	bless $self, "cf::map";	2099	bless $self, "cf::map";
1771	delete $self->{deny_reset};	2100	delete $self->{deny_reset};
1772	$self->{deny_save} = 1;	2101	$self->{deny_save} = 1;
1773	$self->reset_timeout (1);	2102	$self->reset_timeout (1);
1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2103	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775		2104
1776	$cf::MAP{$self->path} = $self;	2105	$cf::MAP{$self->path} = $self;
		2106	}
1777		2107
1778	$self->reset; # polite request, might not happen	2108	$self->reset; # polite request, might not happen
		2109	}
		2110
		2111	=item $maps = cf::map::tmp_maps
		2112
		2113	Returns an arrayref with all map paths of currently instantiated and saved
		2114	maps. May block.
		2115
		2116	=cut
		2117
		2118	sub tmp_maps() {
		2119	[
		2120	map {
		2121	utf8::decode $_;
		2122	/\.map$/
		2123	? normalise $_
		2124	: ()
		2125	} @{ aio_readdir $TMPDIR or [] }
		2126	]
		2127	}
		2128
		2129	=item $maps = cf::map::random_maps
		2130
		2131	Returns an arrayref with all map paths of currently instantiated and saved
		2132	random maps. May block.
		2133
		2134	=cut
		2135
		2136	sub random_maps() {
		2137	[
		2138	map {
		2139	utf8::decode $_;
		2140	/\.map$/
		2141	? normalise "?random/$_"
		2142	: ()
		2143	} @{ aio_readdir $RANDOMDIR or [] }
		2144	]
1779	}	2145	}
1780		2146
1781	=item cf::map::unique_maps	2147	=item cf::map::unique_maps
1782		2148
1783	Returns an arrayref of paths of all shared maps that have	2149	Returns an arrayref of paths of all shared maps that have
1784	instantiated unique items. May block.	2150	instantiated unique items. May block.
1785		2151
1786	=cut	2152	=cut
1787		2153
1788	sub unique_maps() {	2154	sub unique_maps() {
1789	my $files = aio_readdir $UNIQUEDIR	2155	[
1790	or return;	2156	map {
1791
1792	my @paths;
1793
1794	for (@$files) {
1795	utf8::decode $_;	2157	utf8::decode $_;
1796	next if /\.pst$/;	2158	/\.map$/
1797	next unless /^$PATH_SEP/o;	2159	? normalise $_
1798		2160	: ()
1799	push @paths, cf::map::normalise $_;	2161	} @{ aio_readdir $UNIQUEDIR or [] }
1800	}	2162	]
1801
1802	\@paths
1803	}	2163	}
1804		2164
1805	package cf;	2165	package cf;
1806		2166
1807	=back	2167	=back
…		…
1853		2213
1854	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2214	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1855		2215
1856	if ($self->{record_replies}) {	2216	if ($self->{record_replies}) {
1857	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2217	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2218
1858	} else {	2219	} else {
		2220	my $pl = $self->contr;
		2221
		2222	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2223	my $dialog = $pl->{npc_dialog};
		2224	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2225
		2226	} else {
1859	$msg = $npc->name . " says: $msg" if $npc;	2227	$msg = $npc->name . " says: $msg" if $npc;
1860	$self->message ($msg, $flags);	2228	$self->message ($msg, $flags);
		2229	}
1861	}	2230	}
		2231	}
		2232
		2233	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2234
		2235	=cut
		2236
		2237	sub cf::object::send_msg {
		2238	my $pl = shift->contr
		2239	or return;
		2240	$pl->send_msg (@_);
1862	}	2241	}
1863		2242
1864	=item $player_object->may ("access")	2243	=item $player_object->may ("access")
1865		2244
1866	Returns wether the given player is authorized to access resource "access"	2245	Returns wether the given player is authorized to access resource "access"
…		…
1945	# use -1 or undef as default coordinates, not 0, 0	2324	# use -1 or undef as default coordinates, not 0, 0
1946	($x, $y) = ($map->enter_x, $map->enter_y)	2325	($x, $y) = ($map->enter_x, $map->enter_y)
1947	if $x <=0 && $y <= 0;	2326	if $x <=0 && $y <= 0;
1948		2327
1949	$map->load;	2328	$map->load;
1950	$map->load_diag;	2329	$map->load_neighbours;
1951		2330
1952	return unless $self->contr->active;	2331	return unless $self->contr->active;
1953	$self->activate_recursive;	2332	$self->activate_recursive;
1954		2333
1955	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2334	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1956	$self->enter_map ($map, $x, $y);	2335	$self->enter_map ($map, $x, $y);
1957	}	2336	}
1958		2337
1959	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2338	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1960		2339
1961	Moves the player to the given map-path and coordinates by first freezing	2340	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	2341	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	2342	that has to return the map if sucecssful, and then unfreezes the player on
1964	the new (success) or old (failed) map position.	2343	the new (success) or old (failed) map position. In either case, $done will
		2344	be called at the end of this process.
1965		2345
1966	=cut	2346	=cut
1967		2347
1968	our $GOTOGEN;	2348	our $GOTOGEN;
1969		2349
1970	sub cf::object::player::goto {	2350	sub cf::object::player::goto {
1971	my ($self, $path, $x, $y, $check) = @_;	2351	my ($self, $path, $x, $y, $check, $done) = @_;
1972		2352
1973	# do generation counting so two concurrent goto's will be executed in-order	2353	# do generation counting so two concurrent goto's will be executed in-order
1974	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2354	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1975		2355
1976	$self->enter_link;	2356	$self->enter_link;
…		…
1996		2376
1997	if ($gen == $self->{_goto_generation}) {	2377	if ($gen == $self->{_goto_generation}) {
1998	delete $self->{_goto_generation};	2378	delete $self->{_goto_generation};
1999	$self->leave_link ($map, $x, $y);	2379	$self->leave_link ($map, $x, $y);
2000	}	2380	}
		2381
		2382	$done->() if $done;
2001	})->prio (1);	2383	})->prio (1);
2002	}	2384	}
2003		2385
2004	=item $player_object->enter_exit ($exit_object)	2386	=item $player_object->enter_exit ($exit_object)
2005		2387
…		…
2074	my $hp = $exit->stats->hp;	2456	my $hp = $exit->stats->hp;
2075	my $sp = $exit->stats->sp;	2457	my $sp = $exit->stats->sp;
2076		2458
2077	$self->enter_link;	2459	$self->enter_link;
2078		2460
		2461	# if exit is damned, update players death & WoR home-position
		2462	$self->contr->savebed ($slaying, $hp, $sp)
		2463	if $exit->flag (FLAG_DAMNED);
		2464
2079	(async {	2465	(async {
2080	$self->deactivate_recursive; # just to be sure	2466	$self->deactivate_recursive; # just to be sure
2081	unless (eval {	2467	unless (eval {
2082	$self->goto ($slaying, $hp, $sp);	2468	$self->goto ($slaying, $hp, $sp);
2083		2469
…		…
2110		2496
2111	utf8::encode $text;	2497	utf8::encode $text;
2112	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2498	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2113	}	2499	}
2114		2500
		2501	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2502
		2503	Send a drawinfo or msg packet to the client, formatting the msg for the
		2504	client if neccessary. C<$type> should be a string identifying the type of
		2505	the message, with C<log> being the default. If C<$color> is negative, suppress
		2506	the message unless the client supports the msg packet.
		2507
		2508	=cut
		2509
		2510	our %CHANNEL = (
		2511	"c/identify" => {
		2512	id => "identify",
		2513	title => "Identify",
		2514	reply => undef,
		2515	tooltip => "Items recently identified",
		2516	},
		2517	"c/examine" => {
		2518	id => "examine",
		2519	title => "Examine",
		2520	reply => undef,
		2521	tooltip => "Signs and other items you examined",
		2522	},
		2523	);
		2524
		2525	sub cf::client::send_msg {
		2526	my ($self, $channel, $msg, $color, @extra) = @_;
		2527
		2528	$msg = $self->pl->expand_cfpod ($msg);
		2529
		2530	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2531
		2532	# check predefined channels, for the benefit of C
		2533	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2534
		2535	if (ref $channel) {
		2536	# send meta info to client, if not yet sent
		2537	unless (exists $self->{channel}{$channel->{id}}) {
		2538	$self->{channel}{$channel->{id}} = $channel;
		2539	$self->ext_msg (channel_info => $channel);
		2540	}
		2541
		2542	$channel = $channel->{id};
		2543	}
		2544
		2545	return unless @extra || length $msg;
		2546
		2547	if ($self->can_msg) {
		2548	# default colour, mask it out
		2549	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2550	if $color & cf::NDI_DEF;
		2551
		2552	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2553	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2554	} else {
		2555	if ($color >= 0) {
		2556	# replace some tags by gcfclient-compatible ones
		2557	for ($msg) {
		2558	1 while
		2559	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2560	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2561	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2562	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2563	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2564	}
		2565
		2566	$color &= cf::NDI_COLOR_MASK;
		2567
		2568	utf8::encode $msg;
		2569
		2570	if (0 && $msg =~ /\[/) {
		2571	# COMMAND/INFO
		2572	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2573	} else {
		2574	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2575	$self->send_packet ("drawinfo $color $msg")
		2576	}
		2577	}
		2578	}
		2579	}
		2580
2115	=item $client->ext_event ($type, %msg)	2581	=item $client->ext_msg ($type, @msg)
2116		2582
2117	Sends an exti event to the client.	2583	Sends an ext event to the client.
2118		2584
2119	=cut	2585	=cut
2120		2586
2121	sub cf::client::ext_event($$%) {	2587	sub cf::client::ext_msg($$@) {
2122	my ($self, $type, %msg) = @_;	2588	my ($self, $type, @msg) = @_;
2123		2589
		2590	if ($self->extcmd == 2) {
		2591	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2592	} elsif ($self->extcmd == 1) { # TODO: remove
2124	$msg{msgtype} = "event_$type";	2593	push @msg, msgtype => "event_$type";
2125	$self->send_packet ("ext " . cf::to_json \%msg);	2594	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2595	}
		2596	}
		2597
		2598	=item $client->ext_reply ($msgid, @msg)
		2599
		2600	Sends an ext reply to the client.
		2601
		2602	=cut
		2603
		2604	sub cf::client::ext_reply($$@) {
		2605	my ($self, $id, @msg) = @_;
		2606
		2607	if ($self->extcmd == 2) {
		2608	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2609	} elsif ($self->extcmd == 1) {
		2610	#TODO: version 1, remove
		2611	unshift @msg, msgtype => "reply", msgid => $id;
		2612	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2613	}
2126	}	2614	}
2127		2615
2128	=item $success = $client->query ($flags, "text", \&cb)	2616	=item $success = $client->query ($flags, "text", \&cb)
2129		2617
2130	Queues a query to the client, calling the given callback with	2618	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>,	2619	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>.	2620	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2133		2621
2134	Queries can fail, so check the return code. Or don't, as queries will become	2622	Queries can fail, so check the return code. Or don't, as queries will
2135	reliable at some point in the future.	2623	become reliable at some point in the future.
2136		2624
2137	=cut	2625	=cut
2138		2626
2139	sub cf::client::query {	2627	sub cf::client::query {
2140	my ($self, $flags, $text, $cb) = @_;	2628	my ($self, $flags, $text, $cb) = @_;
…		…
2148	utf8::encode $text;	2636	utf8::encode $text;
2149	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2637	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2150		2638
2151	$self->send_packet ($self->{query_queue}[0][0])	2639	$self->send_packet ($self->{query_queue}[0][0])
2152	if @{ $self->{query_queue} } == 1;	2640	if @{ $self->{query_queue} } == 1;
		2641
		2642	1
2153	}	2643	}
2154		2644
2155	cf::client->attach (	2645	cf::client->attach (
		2646	on_connect => sub {
		2647	my ($ns) = @_;
		2648
		2649	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2650	},
2156	on_reply => sub {	2651	on_reply => sub {
2157	my ($ns, $msg) = @_;	2652	my ($ns, $msg) = @_;
2158		2653
2159	# this weird shuffling is so that direct followup queries	2654	# this weird shuffling is so that direct followup queries
2160	# get handled first	2655	# get handled first
…		…
2172	} else {	2667	} else {
2173	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2668	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2174	}	2669	}
2175	}	2670	}
2176	},	2671	},
		2672	on_exticmd => sub {
		2673	my ($ns, $buf) = @_;
		2674
		2675	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2676
		2677	if (ref $msg) {
		2678	my ($type, $reply, @payload) =
		2679	"ARRAY" eq ref $msg
		2680	? @$msg
		2681	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2682
		2683	my @reply;
		2684
		2685	if (my $cb = $EXTICMD{$type}) {
		2686	@reply = $cb->($ns, @payload);
		2687	}
		2688
		2689	$ns->ext_reply ($reply, @reply)
		2690	if $reply;
		2691
		2692	} else {
		2693	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2694	}
		2695
		2696	cf::override;
		2697	},
2177	);	2698	);
2178		2699
2179	=item $client->async (\&cb)	2700	=item $client->async (\&cb)
2180		2701
2181	Create a new coroutine, running the specified callback. The coroutine will	2702	Create a new coroutine, running the specified callback. The coroutine will
…		…
2222	our $safe = new Safe "safe";	2743	our $safe = new Safe "safe";
2223	our $safe_hole = new Safe::Hole;	2744	our $safe_hole = new Safe::Hole;
2224		2745
2225	$SIG{FPE} = 'IGNORE';	2746	$SIG{FPE} = 'IGNORE';
2226		2747
2227	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2748	$safe->permit_only (Opcode::opset qw(
		2749	:base_core :base_mem :base_orig :base_math
		2750	grepstart grepwhile mapstart mapwhile
		2751	sort time
		2752	));
2228		2753
2229	# here we export the classes and methods available to script code	2754	# here we export the classes and methods available to script code
2230		2755
2231	=pod	2756	=pod
2232		2757
2233	The following functions and methods are available within a safe environment:	2758	The following functions and methods are available within a safe environment:
2234		2759
2235	cf::object contr pay_amount pay_player map	2760	cf::object
		2761	contr pay_amount pay_player map x y force_find force_add
		2762	insert remove name archname title slaying race decrease_ob_nr
		2763
2236	cf::object::player player	2764	cf::object::player
2237	cf::player peaceful	2765	player
2238	cf::map trigger	2766
		2767	cf::player
		2768	peaceful
		2769
		2770	cf::map
		2771	trigger
2239		2772
2240	=cut	2773	=cut
2241		2774
2242	for (	2775	for (
2243	["cf::object" => qw(contr pay_amount pay_player map)],	2776	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2777	insert remove inv name archname title slaying race
		2778	decrease_ob_nr)],
2244	["cf::object::player" => qw(player)],	2779	["cf::object::player" => qw(player)],
2245	["cf::player" => qw(peaceful)],	2780	["cf::player" => qw(peaceful)],
2246	["cf::map" => qw(trigger)],	2781	["cf::map" => qw(trigger)],
2247	) {	2782	) {
2248	no strict 'refs';	2783	no strict 'refs';
…		…
2319	=back	2854	=back
2320		2855
2321	=cut	2856	=cut
2322		2857
2323	#############################################################################	2858	#############################################################################
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 $@;
2491	_exit 0;
2492	}
2493	}
2494
2495	#############################################################################
2496	# the server's init and main functions	2859	# the server's init and main functions
2497		2860
2498	sub load_facedata($) {	2861	sub load_facedata($) {
2499	my ($path) = @_;	2862	my ($path) = @_;
		2863
		2864	# HACK to clear player env face cache, we need some signal framework
		2865	# for this (global event?)
		2866	%ext::player_env::MUSIC_FACE_CACHE = ();
		2867
		2868	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2500		2869
2501	warn "loading facedata from $path\n";	2870	warn "loading facedata from $path\n";
2502		2871
2503	my $facedata;	2872	my $facedata;
2504	0 < aio_load $path, $facedata	2873	0 < aio_load $path, $facedata
…		…
2507	$facedata = Coro::Storable::thaw $facedata;	2876	$facedata = Coro::Storable::thaw $facedata;
2508		2877
2509	$facedata->{version} == 2	2878	$facedata->{version} == 2
2510	or cf::cleanup "$path: version mismatch, cannot proceed.";	2879	or cf::cleanup "$path: version mismatch, cannot proceed.";
2511		2880
		2881	# patch in the exptable
		2882	$facedata->{resource}{"res/exp_table"} = {
		2883	type => FT_RSRC,
		2884	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2885	};
		2886	cf::cede_to_tick;
		2887
2512	{	2888	{
2513	my $faces = $facedata->{faceinfo};	2889	my $faces = $facedata->{faceinfo};
2514		2890
2515	while (my ($face, $info) = each %$faces) {	2891	while (my ($face, $info) = each %$faces) {
2516	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2892	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2517	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2893	cf::face::set_visibility $idx, $info->{visibility};
		2894	cf::face::set_magicmap $idx, $info->{magicmap};
2518	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2895	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2519	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2896	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2520	Coro::cede;	2897
		2898	cf::cede_to_tick;
2521	}	2899	}
2522		2900
2523	while (my ($face, $info) = each %$faces) {	2901	while (my ($face, $info) = each %$faces) {
2524	next unless $info->{smooth};	2902	next unless $info->{smooth};
2525	my $idx = cf::face::find $face	2903	my $idx = cf::face::find $face
2526	or next;	2904	or next;
2527	if (my $smooth = cf::face::find $info->{smooth}) {	2905	if (my $smooth = cf::face::find $info->{smooth}) {
		2906	cf::face::set_smooth $idx, $smooth;
2528	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2907	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2529	} else {	2908	} else {
2530	warn "smooth face '$info->{smooth}' not found for face '$face'";	2909	warn "smooth face '$info->{smooth}' not found for face '$face'";
2531	}	2910	}
2532	Coro::cede;	2911
		2912	cf::cede_to_tick;
2533	}	2913	}
2534	}	2914	}
2535		2915
2536	{	2916	{
2537	my $anims = $facedata->{animinfo};	2917	my $anims = $facedata->{animinfo};
2538		2918
2539	while (my ($anim, $info) = each %$anims) {	2919	while (my ($anim, $info) = each %$anims) {
2540	cf::anim::set $anim, $info->{frames}, $info->{facings};	2920	cf::anim::set $anim, $info->{frames}, $info->{facings};
2541	Coro::cede;	2921	cf::cede_to_tick;
2542	}	2922	}
2543		2923
2544	cf::anim::invalidate_all; # d'oh	2924	cf::anim::invalidate_all; # d'oh
2545	}	2925	}
2546		2926
		2927	{
		2928	# TODO: for gcfclient pleasure, we should give resources
		2929	# that gcfclient doesn't grok a >10000 face index.
		2930	my $res = $facedata->{resource};
		2931
		2932	my $soundconf = delete $res->{"res/sound.conf"};
		2933
		2934	while (my ($name, $info) = each %$res) {
		2935	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2936	my $data;
		2937
		2938	if ($info->{type} & 1) {
		2939	# prepend meta info
		2940
		2941	my $meta = $enc->encode ({
		2942	name => $name,
		2943	%{ $info->{meta} || {} },
		2944	});
		2945
		2946	$data = pack "(w/a*)*", $meta, $info->{data};
		2947	} else {
		2948	$data = $info->{data};
		2949	}
		2950
		2951	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2952	cf::face::set_type $idx, $info->{type};
		2953
		2954	cf::cede_to_tick;
		2955	}
		2956
		2957	if ($soundconf) {
		2958	$soundconf = $enc->decode (delete $soundconf->{data});
		2959
		2960	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2961	my $sound = $soundconf->{compat}[$_]
		2962	or next;
		2963
		2964	my $face = cf::face::find "sound/$sound->[1]";
		2965	cf::sound::set $sound->[0] => $face;
		2966	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2967	}
		2968
		2969	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2970	my $face = cf::face::find "sound/$v";
		2971	cf::sound::set $k => $face;
		2972	}
		2973	}
		2974	}
		2975
2547	1	2976	1
2548	}	2977	}
2549		2978
		2979	register_exticmd fx_want => sub {
		2980	my ($ns, $want) = @_;
		2981
		2982	while (my ($k, $v) = each %$want) {
		2983	$ns->fx_want ($k, $v);
		2984	}
		2985	};
		2986
2550	sub reload_regions {	2987	sub reload_regions {
		2988	# HACK to clear player env face cache, we need some signal framework
		2989	# for this (global event?)
		2990	%ext::player_env::MUSIC_FACE_CACHE = ();
		2991
2551	load_resource_file "$MAPDIR/regions"	2992	load_resource_file "$MAPDIR/regions"
2552	or die "unable to load regions file\n";	2993	or die "unable to load regions file\n";
		2994
		2995	for (cf::region::list) {
		2996	$_->{match} = qr/$_->{match}/
		2997	if exists $_->{match};
		2998	}
2553	}	2999	}
2554		3000
2555	sub reload_facedata {	3001	sub reload_facedata {
2556	load_facedata "$DATADIR/facedata"	3002	load_facedata "$DATADIR/facedata"
2557	or die "unable to load facedata\n";	3003	or die "unable to load facedata\n";
2558	}	3004	}
2559		3005
2560	sub reload_archetypes {	3006	sub reload_archetypes {
		3007	load_resource_file "$DATADIR/archetypes"
		3008	or die "unable to load archetypes\n";
		3009	#d# NEED to laod twice to resolve forward references
		3010	# this really needs to be done in an extra post-pass
		3011	# (which needs to be synchronous, so solve it differently)
2561	load_resource_file "$DATADIR/archetypes"	3012	load_resource_file "$DATADIR/archetypes"
2562	or die "unable to load archetypes\n";	3013	or die "unable to load archetypes\n";
2563	}	3014	}
2564		3015
2565	sub reload_treasures {	3016	sub reload_treasures {
…		…
2581		3032
2582	sub init {	3033	sub init {
2583	reload_resources;	3034	reload_resources;
2584	}	3035	}
2585		3036
2586	sub cfg_load {	3037	sub reload_config {
2587	open my $fh, "<:utf8", "$CONFDIR/config"	3038	open my $fh, "<:utf8", "$CONFDIR/config"
2588	or return;	3039	or return;
2589		3040
2590	local $/;	3041	local $/;
2591	*CFG = YAML::Syck::Load <$fh>;	3042	*CFG = YAML::Syck::Load <$fh>;
…		…
2611	(async {	3062	(async {
2612	Event::one_event;	3063	Event::one_event;
2613	})->prio (Coro::PRIO_MAX);	3064	})->prio (Coro::PRIO_MAX);
2614	};	3065	};
2615		3066
2616	cfg_load;	3067	reload_config;
2617	db_init;	3068	db_init;
2618	load_extensions;	3069	load_extensions;
2619		3070
2620	$TICK_WATCHER->start;	3071	$TICK_WATCHER->start;
2621	Event::loop;	3072	Event::loop;
…		…
2637	},	3088	},
2638	);	3089	);
2639	}	3090	}
2640	}	3091	}
2641		3092
		3093	sub write_runtime {
		3094	my $runtime = "$LOCALDIR/runtime";
		3095
		3096	# first touch the runtime file to show we are still running:
		3097	# the fsync below can take a very very long time.
		3098
		3099	IO::AIO::aio_utime $runtime, undef, undef;
		3100
		3101	my $guard = cf::lock_acquire "write_runtime";
		3102
		3103	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3104	or return;
		3105
		3106	my $value = $cf::RUNTIME + 90 + 10;
		3107	# 10 is the runtime save interval, for a monotonic clock
		3108	# 60 allows for the watchdog to kill the server.
		3109
		3110	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3111	and return;
		3112
		3113	# always fsync - this file is important
		3114	aio_fsync $fh
		3115	and return;
		3116
		3117	# touch it again to show we are up-to-date
		3118	aio_utime $fh, undef, undef;
		3119
		3120	close $fh
		3121	or return;
		3122
		3123	aio_rename "$runtime~", $runtime
		3124	and return;
		3125
		3126	warn "runtime file written.\n";
		3127
		3128	1
		3129	}
		3130
2642	sub emergency_save() {	3131	sub emergency_save() {
2643	my $freeze_guard = cf::freeze_mainloop;	3132	my $freeze_guard = cf::freeze_mainloop;
2644		3133
2645	warn "enter emergency perl save\n";	3134	warn "enter emergency perl save\n";
2646		3135
…		…
2721	%EXT_CORO = ();	3210	%EXT_CORO = ();
2722		3211
2723	warn "removing commands";	3212	warn "removing commands";
2724	%COMMAND = ();	3213	%COMMAND = ();
2725		3214
2726	warn "removing ext commands";	3215	warn "removing ext/exti commands";
2727	%EXTCMD = ();	3216	%EXTCMD = ();
		3217	%EXTICMD = ();
2728		3218
2729	warn "unloading/nuking all extensions";	3219	warn "unloading/nuking all extensions";
2730	for my $pkg (@EXTS) {	3220	for my $pkg (@EXTS) {
2731	warn "... unloading $pkg";	3221	warn "... unloading $pkg";
2732		3222
…		…
2775	warn "reloading cf.pm";	3265	warn "reloading cf.pm";
2776	require cf;	3266	require cf;
2777	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3267	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2778		3268
2779	warn "loading config and database again";	3269	warn "loading config and database again";
2780	cf::cfg_load;	3270	cf::reload_config;
2781		3271
2782	warn "loading extensions";	3272	warn "loading extensions";
2783	cf::load_extensions;	3273	cf::load_extensions;
2784		3274
2785	warn "reattaching attachments to objects/players";	3275	warn "reattaching attachments to objects/players";

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