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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 1.351 by root, Sun Sep 2 00:57:38 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 ();
25	use BDB ();	27	use BDB ();
26	use Data::Dumper;	28	use Data::Dumper;
27	use Digest::MD5;	29	use Digest::MD5;
28	use Fcntl;	30	use Fcntl;
29	use YAML::Syck ();	31	use YAML::Syck ();
30	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
31	use Time::HiRes;	33	use Time::HiRes;
32	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
33		36
34	# configure various modules to our taste	37	# configure various modules to our taste
35	#	38	#
36	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
…		…
49	our %COMMAND = ();	52	our %COMMAND = ();
50	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
51		54
52	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
56		60
57	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
58	our @EVENT;	62	our @EVENT;
…		…
164		168
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	170	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
		178
169	=back	179	=back
170		180
171	=cut	181	=cut
172		182
173	BEGIN {	183	BEGIN {
…		…
206	}	216	}
207		217
208	$Event::DIED = sub {	218	$Event::DIED = sub {
209	warn "error in event callback: @_";	219	warn "error in event callback: @_";
210	};	220	};
		221
		222	#############################################################################
211		223
212	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
213		225
214	=over 4	226	=over 4
215		227
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	247	$d
236	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
237	}	249	}
238		250
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
242		252
243	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
244		254
245	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
246		256
247	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
		258
		259	=cut
		260
		261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		262
		263	sub to_json ($) { $json_coder->encode ($_[0]) }
		264	sub from_json ($) { $json_coder->decode ($_[0]) }
248		265
249	=item cf::lock_wait $string	266	=item cf::lock_wait $string
250		267
251	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
252		269
…		…
254		271
255	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
258	returned.	275	returned.
		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
259		279
260	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
262		282
263	=item $locked = cf::lock_active $string	283	=item $locked = cf::lock_active $string
…		…
306	};	326	};
307	$TICK_WATCHER->stop;	327	$TICK_WATCHER->stop;
308	$guard	328	$guard
309	}	329	}
310		330
		331	=item cf::get_slot $time[, $priority[, $name]]
		332
		333	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		334	This call blocks and returns only when you have at least C<$time> seconds
		335	of cpu time till the next tick. The slot is only valid till the next cede.
		336
		337	The optional C<$name> can be used to identify the job to run. It might be
		338	used for statistical purposes and should identify the same time-class.
		339
		340	Useful for short background jobs.
		341
		342	=cut
		343
		344	our @SLOT_QUEUE;
		345	our $SLOT_QUEUE;
		346
		347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		348	$SLOT_QUEUE = Coro::async {
		349	my $signal = new Coro::Signal;
		350
		351	while () {
		352	next_job:
		353	my $avail = cf::till_tick;
		354	if ($avail > 0.01) {
		355	for (0 .. $#SLOT_QUEUE) {
		356	if ($SLOT_QUEUE[$_][0] < $avail) {
		357	my $job = splice @SLOT_QUEUE, $_, 1, ();
		358	$job->[2]->send;
		359	Coro::cede;
		360	goto next_job;
		361	}
		362	}
		363	}
		364
		365	if (@SLOT_QUEUE) {
		366	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		367	push @cf::WAIT_FOR_TICK, $signal;
		368	$signal->wait;
		369	} else {
		370	Coro::schedule;
		371	}
		372	}
		373	};
		374
		375	sub get_slot($;$$) {
		376	my ($time, $pri, $name) = @_;
		377
		378	$time = $TICK * .6 if $time > $TICK * .6;
		379	my $sig = new Coro::Signal;
		380
		381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		383	$SLOT_QUEUE->ready;
		384	$sig->wait;
		385	}
		386
311	=item cf::async { BLOCK }	387	=item cf::async { BLOCK }
312		388
313	Currently the same as Coro::async_pool, meaning you cannot use	389	Currently the same as Coro::async_pool, meaning you cannot use
314	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	390	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
315	thing you are allowed to do is call C<prio> on it.	391	thing you are allowed to do is call C<prio> on it.
…		…
318		394
319	BEGIN { *async = \&Coro::async_pool }	395	BEGIN { *async = \&Coro::async_pool }
320		396
321	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
322		398
323	The design of crossfire+ requires that the main coro ($Coro::main) is	399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	400	is always able to handle events or runnable, as Crossfire TRT is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		402	acceptable.
326		403
327	If it must be done, put the blocking parts into C<sync_job>. This will run	404	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	405	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	406	server will be frozen during this time, so the block should either finish
330	fast or be very important.	407	fast or be very important.
…		…
390	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
391		468
392	$coro	469	$coro
393	}	470	}
394		471
395	sub write_runtime {	472	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		473
398	# first touch the runtime file to show we are still running:	474	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	475	process, returning the results. Everything must be serialisable with
		476	Coro::Storable. May, of course, block. Note that the executed sub may
		477	never block itself or use any form of Event handling.
400		478
401	IO::AIO::aio_utime $runtime, undef, undef;	479	=cut
402		480
403	my $guard = cf::lock_acquire "write_runtime";	481	sub fork_call(&@) {
		482	my ($cb, @args) = @_;
404		483
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	484	# we seemingly have to make a local copy of the whole thing,
406	or return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (liekly this will be rather laborious)
407		487
408	my $value = $cf::RUNTIME + 90 + 10;	488	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	489	reset_signals;
410	# 60 allows for the watchdog to kill the server.	490	&$cb
		491	}, @args;
411		492
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	493	wantarray ? @res : $res[-1]
413	and return;	494	}
414		495
415	# always fsync - this file is important	496	=item $value = cf::db_get $family => $key
416	aio_fsync $fh
417	and return;
418		497
419	# touch it again to show we are up-to-date	498	Returns a single value from the environment database.
420	aio_utime $fh, undef, undef;
421		499
422	close $fh	500	=item cf::db_put $family => $key => $value
423	or return;
424		501
425	aio_rename "$runtime~", $runtime	502	Stores the given C<$value> in the family. It can currently store binary
426	and return;	503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
427		504
428	warn "runtime file written.\n";	505	=cut
429		506
		507	our $DB;
		508
		509	sub db_init {
		510	unless ($DB) {
		511	$DB = BDB::db_create $DB_ENV;
		512
		513	cf::sync_job {
		514	eval {
		515	$DB->set_flags (BDB::CHKSUM);
		516
		517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		519	cf::cleanup "db_open(db): $!" if $!;
		520	};
		521	cf::cleanup "db_open(db): $@" if $@;
		522	};
430	1	523	}
		524	}
		525
		526	sub db_get($$) {
		527	my $key = "$_[0]/$_[1]";
		528
		529	cf::sync_job {
		530	BDB::db_get $DB, undef, $key, my $data;
		531
		532	$! ? ()
		533	: $data
		534	}
		535	}
		536
		537	sub db_put($$$) {
		538	BDB::dbreq_pri 4;
		539	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		540	}
		541
		542	=item cf::cache $id => [$paths...], $processversion => $process
		543
		544	Generic caching function that returns the value of the resource $id,
		545	caching and regenerating as required.
		546
		547	This function can block.
		548
		549	=cut
		550
		551	sub cache {
		552	my ($id, $src, $processversion, $process) = @_;
		553
		554	my $meta =
		555	join "\x00",
		556	$processversion,
		557	map {
		558	aio_stat $_
		559	and Carp::croak "$_: $!";
		560
		561	($_, (stat _)[7,9])
		562	} @$src;
		563
		564	my $dbmeta = db_get cache => "$id/meta";
		565	if ($dbmeta ne $meta) {
		566	# changed, we may need to process
		567
		568	my @data;
		569	my $md5;
		570
		571	for (0 .. $#$src) {
		572	0 <= aio_load $src->[$_], $data[$_]
		573	or Carp::croak "$src->[$_]: $!";
		574	}
		575
		576	# if processing is expensive, check
		577	# checksum first
		578	if (1) {
		579	$md5 =
		580	join "\x00",
		581	$processversion,
		582	map {
		583	cf::cede_to_tick;
		584	($src->[$_], Digest::MD5::md5_hex $data[$_])
		585	} 0.. $#$src;
		586
		587
		588	my $dbmd5 = db_get cache => "$id/md5";
		589	if ($dbmd5 eq $md5) {
		590	db_put cache => "$id/meta", $meta;
		591
		592	return db_get cache => "$id/data";
		593	}
		594	}
		595
		596	my $t1 = Time::HiRes::time;
		597	my $data = $process->(\@data);
		598	my $t2 = Time::HiRes::time;
		599
		600	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		601
		602	db_put cache => "$id/data", $data;
		603	db_put cache => "$id/md5" , $md5;
		604	db_put cache => "$id/meta", $meta;
		605
		606	return $data;
		607	}
		608
		609	db_get cache => "$id/data"
431	}	610	}
432		611
433	=item cf::datalog type => key => value, ...	612	=item cf::datalog type => key => value, ...
434		613
435	Log a datalog packet of the given type with the given key-value pairs.	614	Log a datalog packet of the given type with the given key-value pairs.
…		…
453	attach callbacks/event handlers (a collection of which is called an "attachment")	632	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
455		634
456	In the following description, CLASS can be any of C<global>, C<object>	635	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	636	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	637	Crossfire TRT).
459		638
460	=over 4	639	=over 4
461		640
462	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
463		642
…		…
665	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
666	}	845	}
667		846
668	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
669	} else {	848	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	850	}
672		851
673	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
674	}	853	}
675		854
…		…
715	";	894	";
716	die if $@;	895	die if $@;
717	}	896	}
718		897
719	our $override;	898	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	899	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		900
722	sub override {	901	sub override {
723	$override = 1;	902	$override = 1;
724	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
725	}	904	}
726		905
727	sub do_invoke {	906	sub do_invoke {
728	my $event = shift;	907	my $event = shift;
729	my $callbacks = shift;	908	my $callbacks = shift;
730		909
731	@invoke_results = ();	910	@INVOKE_RESULTS = ();
732		911
733	local $override;	912	local $override;
734		913
735	for (@$callbacks) {	914	for (@$callbacks) {
736	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
753		932
754	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
755		934
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	935	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	936	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		938
760	=back	939	=back
761		940
762	=cut	941	=cut
763		942
764	#############################################################################	943	#############################################################################
765	# object support	944	# object support
		945	#
		946
		947	sub _can_merge {
		948	my ($ob1, $ob2) = @_;
		949
		950	local $Storable::canonical = 1;
		951	my $fob1 = Storable::freeze $ob1;
		952	my $fob2 = Storable::freeze $ob2;
		953
		954	$fob1 eq $fob2
		955	}
766		956
767	sub reattach {	957	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	959	my ($obj) = @_;
770		960
…		…
877	warn sprintf "loading %s (%d)\n",	1067	warn sprintf "loading %s (%d)\n",
878	$filename, length $data, scalar @{$av || []};	1068	$filename, length $data, scalar @{$av || []};
879	return ($data, $av);	1069	return ($data, $av);
880	}	1070	}
881		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
		1077
882	#############################################################################	1078	#############################################################################
883	# command handling &c	1079	# command handling &c
884		1080
885	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
886		1082
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1095	}
900		1096
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1098
903	Register a callbackf ro execution when the client sends an extcmd packet.	1099	Register a callback for execution when the client sends an (synchronous)
		1100	extcmd packet. Ext commands will be processed in the order they are
		1101	received by the server, like other user commands. The first argument is
		1102	the logged-in player. Ext commands can only be processed after a player
		1103	has logged in successfully.
904		1104
905	If the callback returns something, it is sent back as if reply was being	1105	If the callback returns something, it is sent back as if reply was being
906	called.	1106	called.
907		1107
		1108	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1109
		1110	Register a callback for execution when the client sends an (asynchronous)
		1111	exticmd packet. Exti commands are processed by the server as soon as they
		1112	are received, i.e. out of order w.r.t. other commands. The first argument
		1113	is a client socket. Exti commands can be received anytime, even before
		1114	log-in.
		1115
		1116	If the callback returns something, it is sent back as if reply was being
		1117	called.
		1118
908	=cut	1119	=cut
909		1120
910	sub register_extcmd {	1121	sub register_extcmd {
911	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
912		1123
913	$EXTCMD{$name} = $cb;	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
914	}	1131	}
915		1132
916	cf::player->attach (	1133	cf::player->attach (
917	on_command => sub {	1134	on_command => sub {
918	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1144	cf::override;
928	},	1145	},
929	on_extcmd => sub {	1146	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
931		1148
932	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1150
934	if (ref $msg) {	1151	if (ref $msg) {
		1152	my ($type, $reply, @payload) =
		1153	"ARRAY" eq ref $msg
		1154	? @$msg
		1155	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1156
		1157	my @reply;
		1158
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
940	} else {	1166	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1168	}
943		1169
944	cf::override;	1170	cf::override;
945	},	1171	},
946	);	1172	);
947		1173
948	sub load_extension {
949	my ($path) = @_;
950
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
952	my $base = $1;
953	my $pkg = $1;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}
976	die $@;
977	}
978
979	push @EXTS, $pkg;
980	}
981
982	sub load_extensions {	1174	sub load_extensions {
		1175	cf::sync_job {
		1176	my %todo;
		1177
983	for my $ext (<$LIBDIR/*.ext>) {	1178	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1179	next unless -r $path;
985	eval {	1180
986	load_extension $ext;	1181	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1182	my $base = $1;
		1183	my $pkg = $1;
		1184	$pkg =~ s/[^[:word:]]/_/g;
		1185	$pkg = "ext::$pkg";
		1186
		1187	open my $fh, "<:utf8", $path
		1188	or die "$path: $!";
		1189
		1190	my $source = do { local $/; <$fh> };
		1191
		1192	my %ext = (
		1193	path => $path,
		1194	base => $base,
		1195	pkg => $pkg,
		1196	);
		1197
		1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1200
		1201	$ext{source} =
		1202	"package $pkg; use strict; use utf8;\n"
		1203	. "#line 1 \"$path\"\n{\n"
		1204	. $source
		1205	. "\n};\n1";
		1206
		1207	$todo{$base} = \%ext;
		1208	}
		1209
		1210	my %done;
		1211	while (%todo) {
		1212	my $progress;
		1213
		1214	while (my ($k, $v) = each %todo) {
		1215	for (split /,\s*/, $v->{meta}{depends}) {
		1216	goto skip
		1217	unless exists $done{$_};
		1218	}
		1219
		1220	warn "... loading '$k' into '$v->{pkg}'\n";
		1221
		1222	unless (eval $v->{source}) {
		1223	my $msg = $@ ? "$v->{path}: $@\n"
		1224	: "$v->{base}: extension inactive.\n";
		1225
		1226	if (exists $v->{meta}{mandatory}) {
		1227	warn $msg;
		1228	warn "mandatory extension failed to load, exiting.\n";
		1229	exit 1;
		1230	}
		1231
		1232	warn $msg;
		1233	}
		1234
		1235	$done{$k} = delete $todo{$k};
		1236	push @EXTS, $v->{pkg};
		1237	$progress = 1;
987	1	1238	}
988	} or warn "$ext not loaded: $@";	1239
		1240	skip:
		1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1242	unless $progress;
		1243	}
989	}	1244	};
990	}	1245	}
991		1246
992	#############################################################################	1247	#############################################################################
		1248
		1249	=back
993		1250
994	=head2 CORE EXTENSIONS	1251	=head2 CORE EXTENSIONS
995		1252
996	Functions and methods that extend core crossfire objects.	1253	Functions and methods that extend core crossfire objects.
997		1254
…		…
1068		1325
1069	aio_mkdir playerdir $pl, 0770;	1326	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1327	$pl->{last_save} = $cf::RUNTIME;
1071		1328
1072	$pl->save_pl ($path);	1329	$pl->save_pl ($path);
1073	Coro::cede;	1330	cf::cede_to_tick;
1074	}	1331	}
1075		1332
1076	sub new($) {	1333	sub new($) {
1077	my ($login) = @_;	1334	my ($login) = @_;
1078		1335
…		…
1082	$self->{deny_save} = 1;	1339	$self->{deny_save} = 1;
1083		1340
1084	$cf::PLAYER{$login} = $self;	1341	$cf::PLAYER{$login} = $self;
1085		1342
1086	$self	1343	$self
		1344	}
		1345
		1346	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1347
		1348	=cut
		1349
		1350	sub send_msg {
		1351	my $ns = shift->ns
		1352	or return;
		1353	$ns->send_msg (@_);
1087	}	1354	}
1088		1355
1089	=item $pl->quit_character	1356	=item $pl->quit_character
1090		1357
1091	Nukes the player without looking back. If logged in, the connection will	1358	Nukes the player without looking back. If logged in, the connection will
…		…
1185	}	1452	}
1186		1453
1187	\@paths	1454	\@paths
1188	}	1455	}
1189		1456
		1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1458
		1459	Expand crossfire pod fragments into protocol xml.
		1460
		1461	=cut
		1462
		1463	sub expand_cfpod {
		1464	((my $self), (local $_)) = @_;
		1465
		1466	# escape & and <
		1467	s/&/&amp;/g;
		1468	s/(?<![BIUGH])</&lt;/g;
		1469
		1470	# this is buggy, it needs to properly take care of nested <'s
		1471
		1472	1 while
		1473	# replace B<>, I<>, U<> etc.
		1474	s/B<([^\>]*)>/<b>$1<\/b>/
		1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1477	# replace G<male|female> tags
		1478	|| s{G<([^>|]*)\|([^>]*)>}{
		1479	$self->gender ? $2 : $1
		1480	}ge
		1481	# replace H<hint text>
		1482	|| s{H<([^\>]*)>}
		1483	{
		1484	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1485	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1486	"")
		1487	[$self->{hintmode}]
		1488	}ge;
		1489
		1490	# create single paragraphs (very hackish)
		1491	s/(?<=\S)\n(?=\w)/ /g;
		1492
		1493	# compress some whitespace
		1494	s/\s+\n/\n/g; # ws line-ends
		1495	s/\n\n+/\n/g; # double lines
		1496	s/^\n+//; # beginning lines
		1497	s/\n+$//; # ending lines
		1498
		1499	$_
		1500	}
		1501
		1502	sub hintmode {
		1503	$_[0]{hintmode} = $_[1] if @_ > 1;
		1504	$_[0]{hintmode}
		1505	}
		1506
1190	=item $player->ext_reply ($msgid, %msg)	1507	=item $player->ext_reply ($msgid, @msg)
1191		1508
1192	Sends an ext reply to the player.	1509	Sends an ext reply to the player.
1193		1510
1194	=cut	1511	=cut
1195		1512
1196	sub ext_reply($$%) {	1513	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1514	my ($self, $id, @msg) = @_;
1198		1515
1199	$msg{msgid} = $id;	1516	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1517	}
1203		1518
1204	=item $player->ext_event ($type, %msg)	1519	=item $player->ext_msg ($type, @msg)
1205		1520
1206	Sends an ext event to the client.	1521	Sends an ext event to the client.
1207		1522
1208	=cut	1523	=cut
1209		1524
1210	sub ext_event($$%) {	1525	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1526	my ($self, $type, @msg) = @_;
1212		1527
1213	$self->ns->ext_event ($type, %msg);	1528	$self->ns->ext_msg ($type, @msg);
1214	}	1529	}
1215		1530
1216	=head3 cf::region	1531	=head3 cf::region
1217		1532
1218	=over 4	1533	=over 4
…		…
1221		1536
1222	package cf::region;	1537	package cf::region;
1223		1538
1224	=item cf::region::find_by_path $path	1539	=item cf::region::find_by_path $path
1225		1540
1226	Tries to decuce the probable region for a map knowing only its path.	1541	Tries to decuce the likely region for a map knowing only its path.
1227		1542
1228	=cut	1543	=cut
1229		1544
1230	sub find_by_path($) {	1545	sub find_by_path($) {
1231	my ($path) = @_;	1546	my ($path) = @_;
1232		1547
1233	my ($match, $specificity);	1548	my ($match, $specificity);
1234		1549
1235	for my $region (list) {	1550	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1551	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1552	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1553	if $region->specificity > $specificity;
1239	}	1554	}
1240	}	1555	}
1241		1556
…		…
1361	$self->init; # pass $1 etc.	1676	$self->init; # pass $1 etc.
1362	return $self;	1677	return $self;
1363	}	1678	}
1364	}	1679	}
1365		1680
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	1681	Carp::cluck "unable to resolve path '$path' (base '$base').";
1367	()	1682	()
1368	}	1683	}
1369		1684
1370	sub init {	1685	sub init {
1371	my ($self) = @_;	1686	my ($self) = @_;
…		…
1537	local $self->{deny_reset} = 1; # loading can take a long time	1852	local $self->{deny_reset} = 1; # loading can take a long time
1538		1853
1539	my $path = $self->{path};	1854	my $path = $self->{path};
1540		1855
1541	{	1856	{
		1857	my $guard1 = cf::lock_acquire "map_data:$path";
1542	my $guard = cf::lock_acquire "map_load:$path";	1858	my $guard2 = cf::lock_acquire "map_load:$path";
1543		1859
1544	return if $self->in_memory != cf::MAP_SWAPPED;	1860	return if $self->in_memory != cf::MAP_SWAPPED;
1545		1861
1546	$self->in_memory (cf::MAP_LOADING);	1862	$self->in_memory (cf::MAP_LOADING);
1547		1863
1548	$self->alloc;	1864	$self->alloc;
1549		1865
1550	$self->pre_load;	1866	$self->pre_load;
1551	Coro::cede;	1867	cf::cede_to_tick;
1552		1868
1553	$self->_load_objects ($self->{load_path}, 1)	1869	$self->_load_objects ($self->{load_path}, 1)
1554	or return;	1870	or return;
1555		1871
1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1872	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
…		…
1562	$self->clear_unique_items;	1878	$self->clear_unique_items;
1563	$self->_load_objects ($uniq, 0);	1879	$self->_load_objects ($uniq, 0);
1564	}	1880	}
1565	}	1881	}
1566		1882
1567	Coro::cede;	1883	cf::cede_to_tick;
1568	# now do the right thing for maps	1884	# now do the right thing for maps
1569	$self->link_multipart_objects;	1885	$self->link_multipart_objects;
1570	$self->difficulty ($self->estimate_difficulty)	1886	$self->difficulty ($self->estimate_difficulty)
1571	unless $self->difficulty;	1887	unless $self->difficulty;
1572	Coro::cede;	1888	cf::cede_to_tick;
1573		1889
1574	unless ($self->{deny_activate}) {	1890	unless ($self->{deny_activate}) {
1575	$self->decay_objects;	1891	$self->decay_objects;
1576	$self->fix_auto_apply;	1892	$self->fix_auto_apply;
1577	$self->update_buttons;	1893	$self->update_buttons;
1578	Coro::cede;	1894	cf::cede_to_tick;
1579	$self->set_darkness_map;	1895	$self->set_darkness_map;
1580	Coro::cede;	1896	cf::cede_to_tick;
1581	$self->activate;	1897	$self->activate;
1582	}	1898	}
		1899
		1900	$self->{last_save} = $cf::RUNTIME;
		1901	$self->last_access ($cf::RUNTIME);
1583		1902
1584	$self->in_memory (cf::MAP_IN_MEMORY);	1903	$self->in_memory (cf::MAP_IN_MEMORY);
1585	}	1904	}
1586		1905
1587	$self->post_load;	1906	$self->post_load;
…		…
1598		1917
1599	$self	1918	$self
1600	}	1919	}
1601		1920
1602	# find and load all maps in the 3x3 area around a map	1921	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {	1922	sub load_neighbours {
1604	my ($map) = @_;	1923	my ($map) = @_;
1605		1924
1606	my @diag; # diagonal neighbours	1925	my @neigh; # diagonal neighbours
1607		1926
1608	for (0 .. 3) {	1927	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)	1928	my $neigh = $map->tile_path ($_)
1610	or next;	1929	or next;
1611	$neigh = find $neigh, $map	1930	$neigh = find $neigh, $map
1612	or next;	1931	or next;
1613	$neigh->load;	1932	$neigh->load;
1614		1933
		1934	push @neigh,
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1935	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1936	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}	1937	}
1618		1938
1619	for (@diag) {	1939	for (grep defined $_->[0], @neigh) {
		1940	my ($path, $origin) = @$_;
1620	my $neigh = find @$_	1941	my $neigh = find $path, $origin
1621	or next;	1942	or next;
1622	$neigh->load;	1943	$neigh->load;
1623	}	1944	}
1624	}	1945	}
1625		1946
…		…
1630	}	1951	}
1631		1952
1632	sub do_load_sync {	1953	sub do_load_sync {
1633	my ($map) = @_;	1954	my ($map) = @_;
1634		1955
		1956	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1957	if $Coro::current == $Coro::main;
		1958
1635	cf::sync_job { $map->load };	1959	cf::sync_job { $map->load };
1636	}	1960	}
1637		1961
1638	our %MAP_PREFETCH;	1962	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	1963	our $MAP_PREFETCHER = undef;
1640		1964
1641	sub find_async {	1965	sub find_async {
1642	my ($path, $origin) = @_;	1966	my ($path, $origin, $load) = @_;
1643		1967
1644	$path = normalise $path, $origin && $origin->{path};	1968	$path = normalise $path, $origin && $origin->{path};
1645		1969
1646	if (my $map = $cf::MAP{$path}) {	1970	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1971	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1648	}	1972	}
1649		1973
1650	undef $MAP_PREFETCH{$path};	1974	$MAP_PREFETCH{$path} |= $load;
		1975
1651	$MAP_PREFETCHER ||= cf::async {	1976	$MAP_PREFETCHER ||= cf::async {
1652	while (%MAP_PREFETCH) {	1977	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	1978	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	1979	if (my $map = find $k) {
1655	or next;
1656	$map->load;	1980	$map->load if $v;
		1981	}
1657		1982
1658	delete $MAP_PREFETCH{$path};	1983	delete $MAP_PREFETCH{$k};
1659	}	1984	}
1660	}	1985	}
1661	undef $MAP_PREFETCHER;	1986	undef $MAP_PREFETCHER;
1662	};	1987	};
1663	$MAP_PREFETCHER->prio (6);	1988	$MAP_PREFETCHER->prio (6);
…		…
1666	}	1991	}
1667		1992
1668	sub save {	1993	sub save {
1669	my ($self) = @_;	1994	my ($self) = @_;
1670		1995
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;	1996	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		1997
1673	$self->{last_save} = $cf::RUNTIME;	1998	$self->{last_save} = $cf::RUNTIME;
1674		1999
1675	return unless $self->dirty;	2000	return unless $self->dirty;
1676		2001
…		…
1699	my ($self) = @_;	2024	my ($self) = @_;
1700		2025
1701	# save first because save cedes	2026	# save first because save cedes
1702	$self->save;	2027	$self->save;
1703		2028
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2029	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2030
1706	return if $self->players;	2031	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;	2032	return if $self->in_memory != cf::MAP_IN_MEMORY;
1708	return if $self->{deny_save};	2033	return if $self->{deny_save};
1709		2034
…		…
1761	my $nuke_counter = "aaaa";	2086	my $nuke_counter = "aaaa";
1762		2087
1763	sub nuke {	2088	sub nuke {
1764	my ($self) = @_;	2089	my ($self) = @_;
1765		2090
		2091	{
		2092	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2093
1766	delete $cf::MAP{$self->path};	2094	delete $cf::MAP{$self->path};
1767		2095
1768	$self->unlink_save;	2096	$self->unlink_save;
1769		2097
1770	bless $self, "cf::map";	2098	bless $self, "cf::map";
1771	delete $self->{deny_reset};	2099	delete $self->{deny_reset};
1772	$self->{deny_save} = 1;	2100	$self->{deny_save} = 1;
1773	$self->reset_timeout (1);	2101	$self->reset_timeout (1);
1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2102	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775		2103
1776	$cf::MAP{$self->path} = $self;	2104	$cf::MAP{$self->path} = $self;
		2105	}
1777		2106
1778	$self->reset; # polite request, might not happen	2107	$self->reset; # polite request, might not happen
		2108	}
		2109
		2110	=item $maps = cf::map::tmp_maps
		2111
		2112	Returns an arrayref with all map paths of currently instantiated and saved
		2113	maps. May block.
		2114
		2115	=cut
		2116
		2117	sub tmp_maps() {
		2118	[
		2119	map {
		2120	utf8::decode $_;
		2121	/\.map$/
		2122	? normalise $_
		2123	: ()
		2124	} @{ aio_readdir $TMPDIR or [] }
		2125	]
		2126	}
		2127
		2128	=item $maps = cf::map::random_maps
		2129
		2130	Returns an arrayref with all map paths of currently instantiated and saved
		2131	random maps. May block.
		2132
		2133	=cut
		2134
		2135	sub random_maps() {
		2136	[
		2137	map {
		2138	utf8::decode $_;
		2139	/\.map$/
		2140	? normalise "?random/$_"
		2141	: ()
		2142	} @{ aio_readdir $RANDOMDIR or [] }
		2143	]
1779	}	2144	}
1780		2145
1781	=item cf::map::unique_maps	2146	=item cf::map::unique_maps
1782		2147
1783	Returns an arrayref of paths of all shared maps that have	2148	Returns an arrayref of paths of all shared maps that have
1784	instantiated unique items. May block.	2149	instantiated unique items. May block.
1785		2150
1786	=cut	2151	=cut
1787		2152
1788	sub unique_maps() {	2153	sub unique_maps() {
1789	my $files = aio_readdir $UNIQUEDIR	2154	[
1790	or return;	2155	map {
1791
1792	my @paths;
1793
1794	for (@$files) {
1795	utf8::decode $_;	2156	utf8::decode $_;
1796	next if /\.pst$/;	2157	/\.map$/
1797	next unless /^$PATH_SEP/o;	2158	? normalise $_
1798		2159	: ()
1799	push @paths, cf::map::normalise $_;	2160	} @{ aio_readdir $UNIQUEDIR or [] }
1800	}	2161	]
1801
1802	\@paths
1803	}	2162	}
1804		2163
1805	package cf;	2164	package cf;
1806		2165
1807	=back	2166	=back
…		…
1853		2212
1854	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2213	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1855		2214
1856	if ($self->{record_replies}) {	2215	if ($self->{record_replies}) {
1857	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2216	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2217
1858	} else {	2218	} else {
		2219	my $pl = $self->contr;
		2220
		2221	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2222	my $dialog = $pl->{npc_dialog};
		2223	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2224
		2225	} else {
1859	$msg = $npc->name . " says: $msg" if $npc;	2226	$msg = $npc->name . " says: $msg" if $npc;
1860	$self->message ($msg, $flags);	2227	$self->message ($msg, $flags);
		2228	}
1861	}	2229	}
		2230	}
		2231
		2232	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2233
		2234	=cut
		2235
		2236	sub cf::object::send_msg {
		2237	my $pl = shift->contr
		2238	or return;
		2239	$pl->send_msg (@_);
1862	}	2240	}
1863		2241
1864	=item $player_object->may ("access")	2242	=item $player_object->may ("access")
1865		2243
1866	Returns wether the given player is authorized to access resource "access"	2244	Returns wether the given player is authorized to access resource "access"
…		…
1945	# use -1 or undef as default coordinates, not 0, 0	2323	# use -1 or undef as default coordinates, not 0, 0
1946	($x, $y) = ($map->enter_x, $map->enter_y)	2324	($x, $y) = ($map->enter_x, $map->enter_y)
1947	if $x <=0 && $y <= 0;	2325	if $x <=0 && $y <= 0;
1948		2326
1949	$map->load;	2327	$map->load;
1950	$map->load_diag;	2328	$map->load_neighbours;
1951		2329
1952	return unless $self->contr->active;	2330	return unless $self->contr->active;
1953	$self->activate_recursive;	2331	$self->activate_recursive;
1954		2332
1955	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2333	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1956	$self->enter_map ($map, $x, $y);	2334	$self->enter_map ($map, $x, $y);
1957	}	2335	}
1958		2336
1959	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2337	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1960		2338
1961	Moves the player to the given map-path and coordinates by first freezing	2339	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	2340	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	2341	that has to return the map if sucecssful, and then unfreezes the player on
1964	the new (success) or old (failed) map position.	2342	the new (success) or old (failed) map position. In either case, $done will
		2343	be called at the end of this process.
1965		2344
1966	=cut	2345	=cut
1967		2346
1968	our $GOTOGEN;	2347	our $GOTOGEN;
1969		2348
1970	sub cf::object::player::goto {	2349	sub cf::object::player::goto {
1971	my ($self, $path, $x, $y, $check) = @_;	2350	my ($self, $path, $x, $y, $check, $done) = @_;
1972		2351
1973	# do generation counting so two concurrent goto's will be executed in-order	2352	# do generation counting so two concurrent goto's will be executed in-order
1974	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2353	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1975		2354
1976	$self->enter_link;	2355	$self->enter_link;
…		…
1996		2375
1997	if ($gen == $self->{_goto_generation}) {	2376	if ($gen == $self->{_goto_generation}) {
1998	delete $self->{_goto_generation};	2377	delete $self->{_goto_generation};
1999	$self->leave_link ($map, $x, $y);	2378	$self->leave_link ($map, $x, $y);
2000	}	2379	}
		2380
		2381	$done->() if $done;
2001	})->prio (1);	2382	})->prio (1);
2002	}	2383	}
2003		2384
2004	=item $player_object->enter_exit ($exit_object)	2385	=item $player_object->enter_exit ($exit_object)
2005		2386
…		…
2074	my $hp = $exit->stats->hp;	2455	my $hp = $exit->stats->hp;
2075	my $sp = $exit->stats->sp;	2456	my $sp = $exit->stats->sp;
2076		2457
2077	$self->enter_link;	2458	$self->enter_link;
2078		2459
		2460	# if exit is damned, update players death & WoR home-position
		2461	$self->contr->savebed ($slaying, $hp, $sp)
		2462	if $exit->flag (FLAG_DAMNED);
		2463
2079	(async {	2464	(async {
2080	$self->deactivate_recursive; # just to be sure	2465	$self->deactivate_recursive; # just to be sure
2081	unless (eval {	2466	unless (eval {
2082	$self->goto ($slaying, $hp, $sp);	2467	$self->goto ($slaying, $hp, $sp);
2083		2468
…		…
2110		2495
2111	utf8::encode $text;	2496	utf8::encode $text;
2112	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2497	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2113	}	2498	}
2114		2499
		2500	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2501
		2502	Send a drawinfo or msg packet to the client, formatting the msg for the
		2503	client if neccessary. C<$type> should be a string identifying the type of
		2504	the message, with C<log> being the default. If C<$color> is negative, suppress
		2505	the message unless the client supports the msg packet.
		2506
		2507	=cut
		2508
		2509	our %CHANNEL = (
		2510	"c/identify" => {
		2511	id => "identify",
		2512	title => "Identify",
		2513	reply => undef,
		2514	tooltip => "Items recently identified",
		2515	},
		2516	);
		2517
		2518	sub cf::client::send_msg {
		2519	my ($self, $channel, $msg, $color, @extra) = @_;
		2520
		2521	$msg = $self->pl->expand_cfpod ($msg);
		2522
		2523	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2524
		2525	# check predefined channels, for the benefit of C
		2526	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2527
		2528	if (ref $channel) {
		2529	# send meta info to client, if not yet sent
		2530	unless (exists $self->{channel}{$channel->{id}}) {
		2531	$self->{channel}{$channel->{id}} = $channel;
		2532	$self->ext_msg (channel_info => $channel);
		2533	}
		2534
		2535	$channel = $channel->{id};
		2536	}
		2537
		2538	return unless @extra || length $msg;
		2539
		2540	if ($self->can_msg) {
		2541	# default colour, mask it out
		2542	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2543	if $color & cf::NDI_DEF;
		2544
		2545	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2546	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2547	} else {
		2548	if ($color >= 0) {
		2549	# replace some tags by gcfclient-compatible ones
		2550	for ($msg) {
		2551	1 while
		2552	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2553	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2554	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2555	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2556	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2557	}
		2558
		2559	$color &= cf::NDI_COLOR_MASK;
		2560
		2561	utf8::encode $msg;
		2562
		2563	if (0 && $msg =~ /\[/) {
		2564	# COMMAND/INFO
		2565	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2566	} else {
		2567	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2568	$self->send_packet ("drawinfo $color $msg")
		2569	}
		2570	}
		2571	}
		2572	}
		2573
2115	=item $client->ext_event ($type, %msg)	2574	=item $client->ext_msg ($type, @msg)
2116		2575
2117	Sends an exti event to the client.	2576	Sends an ext event to the client.
2118		2577
2119	=cut	2578	=cut
2120		2579
2121	sub cf::client::ext_event($$%) {	2580	sub cf::client::ext_msg($$@) {
2122	my ($self, $type, %msg) = @_;	2581	my ($self, $type, @msg) = @_;
2123		2582
		2583	if ($self->extcmd == 2) {
		2584	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2585	} elsif ($self->extcmd == 1) { # TODO: remove
2124	$msg{msgtype} = "event_$type";	2586	push @msg, msgtype => "event_$type";
2125	$self->send_packet ("ext " . cf::to_json \%msg);	2587	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2588	}
		2589	}
		2590
		2591	=item $client->ext_reply ($msgid, @msg)
		2592
		2593	Sends an ext reply to the client.
		2594
		2595	=cut
		2596
		2597	sub cf::client::ext_reply($$@) {
		2598	my ($self, $id, @msg) = @_;
		2599
		2600	if ($self->extcmd == 2) {
		2601	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2602	} elsif ($self->extcmd == 1) {
		2603	#TODO: version 1, remove
		2604	unshift @msg, msgtype => "reply", msgid => $id;
		2605	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2606	}
2126	}	2607	}
2127		2608
2128	=item $success = $client->query ($flags, "text", \&cb)	2609	=item $success = $client->query ($flags, "text", \&cb)
2129		2610
2130	Queues a query to the client, calling the given callback with	2611	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>,	2612	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>.	2613	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2133		2614
2134	Queries can fail, so check the return code. Or don't, as queries will become	2615	Queries can fail, so check the return code. Or don't, as queries will
2135	reliable at some point in the future.	2616	become reliable at some point in the future.
2136		2617
2137	=cut	2618	=cut
2138		2619
2139	sub cf::client::query {	2620	sub cf::client::query {
2140	my ($self, $flags, $text, $cb) = @_;	2621	my ($self, $flags, $text, $cb) = @_;
…		…
2148	utf8::encode $text;	2629	utf8::encode $text;
2149	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2630	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2150		2631
2151	$self->send_packet ($self->{query_queue}[0][0])	2632	$self->send_packet ($self->{query_queue}[0][0])
2152	if @{ $self->{query_queue} } == 1;	2633	if @{ $self->{query_queue} } == 1;
		2634
		2635	1
2153	}	2636	}
2154		2637
2155	cf::client->attach (	2638	cf::client->attach (
		2639	on_connect => sub {
		2640	my ($ns) = @_;
		2641
		2642	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2643	},
2156	on_reply => sub {	2644	on_reply => sub {
2157	my ($ns, $msg) = @_;	2645	my ($ns, $msg) = @_;
2158		2646
2159	# this weird shuffling is so that direct followup queries	2647	# this weird shuffling is so that direct followup queries
2160	# get handled first	2648	# get handled first
…		…
2172	} else {	2660	} else {
2173	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2661	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2174	}	2662	}
2175	}	2663	}
2176	},	2664	},
		2665	on_exticmd => sub {
		2666	my ($ns, $buf) = @_;
		2667
		2668	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2669
		2670	if (ref $msg) {
		2671	my ($type, $reply, @payload) =
		2672	"ARRAY" eq ref $msg
		2673	? @$msg
		2674	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2675
		2676	my @reply;
		2677
		2678	if (my $cb = $EXTICMD{$type}) {
		2679	@reply = $cb->($ns, @payload);
		2680	}
		2681
		2682	$ns->ext_reply ($reply, @reply)
		2683	if $reply;
		2684
		2685	} else {
		2686	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2687	}
		2688
		2689	cf::override;
		2690	},
2177	);	2691	);
2178		2692
2179	=item $client->async (\&cb)	2693	=item $client->async (\&cb)
2180		2694
2181	Create a new coroutine, running the specified callback. The coroutine will	2695	Create a new coroutine, running the specified callback. The coroutine will
…		…
2222	our $safe = new Safe "safe";	2736	our $safe = new Safe "safe";
2223	our $safe_hole = new Safe::Hole;	2737	our $safe_hole = new Safe::Hole;
2224		2738
2225	$SIG{FPE} = 'IGNORE';	2739	$SIG{FPE} = 'IGNORE';
2226		2740
2227	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2741	$safe->permit_only (Opcode::opset qw(
		2742	:base_core :base_mem :base_orig :base_math
		2743	grepstart grepwhile mapstart mapwhile
		2744	sort time
		2745	));
2228		2746
2229	# here we export the classes and methods available to script code	2747	# here we export the classes and methods available to script code
2230		2748
2231	=pod	2749	=pod
2232		2750
2233	The following functions and methods are available within a safe environment:	2751	The following functions and methods are available within a safe environment:
2234		2752
2235	cf::object contr pay_amount pay_player map	2753	cf::object
		2754	contr pay_amount pay_player map x y force_find force_add
		2755	insert remove name archname title slaying race decrease_ob_nr
		2756
2236	cf::object::player player	2757	cf::object::player
2237	cf::player peaceful	2758	player
2238	cf::map trigger	2759
		2760	cf::player
		2761	peaceful
		2762
		2763	cf::map
		2764	trigger
2239		2765
2240	=cut	2766	=cut
2241		2767
2242	for (	2768	for (
2243	["cf::object" => qw(contr pay_amount pay_player map)],	2769	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2770	insert remove inv name archname title slaying race
		2771	decrease_ob_nr)],
2244	["cf::object::player" => qw(player)],	2772	["cf::object::player" => qw(player)],
2245	["cf::player" => qw(peaceful)],	2773	["cf::player" => qw(peaceful)],
2246	["cf::map" => qw(trigger)],	2774	["cf::map" => qw(trigger)],
2247	) {	2775	) {
2248	no strict 'refs';	2776	no strict 'refs';
…		…
2319	=back	2847	=back
2320		2848
2321	=cut	2849	=cut
2322		2850
2323	#############################################################################	2851	#############################################################################
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 $@;
2491	_exit 0;
2492	}
2493	}
2494
2495	#############################################################################
2496	# the server's init and main functions	2852	# the server's init and main functions
2497		2853
2498	sub load_facedata($) {	2854	sub load_facedata($) {
2499	my ($path) = @_;	2855	my ($path) = @_;
		2856
		2857	# HACK to clear player env face cache, we need some signal framework
		2858	# for this (global event?)
		2859	%ext::player_env::MUSIC_FACE_CACHE = ();
		2860
		2861	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2500		2862
2501	warn "loading facedata from $path\n";	2863	warn "loading facedata from $path\n";
2502		2864
2503	my $facedata;	2865	my $facedata;
2504	0 < aio_load $path, $facedata	2866	0 < aio_load $path, $facedata
…		…
2507	$facedata = Coro::Storable::thaw $facedata;	2869	$facedata = Coro::Storable::thaw $facedata;
2508		2870
2509	$facedata->{version} == 2	2871	$facedata->{version} == 2
2510	or cf::cleanup "$path: version mismatch, cannot proceed.";	2872	or cf::cleanup "$path: version mismatch, cannot proceed.";
2511		2873
		2874	# patch in the exptable
		2875	$facedata->{resource}{"res/exp_table"} = {
		2876	type => FT_RSRC,
		2877	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2878	};
		2879	cf::cede_to_tick;
		2880
2512	{	2881	{
2513	my $faces = $facedata->{faceinfo};	2882	my $faces = $facedata->{faceinfo};
2514		2883
2515	while (my ($face, $info) = each %$faces) {	2884	while (my ($face, $info) = each %$faces) {
2516	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2885	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2517	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2886	cf::face::set_visibility $idx, $info->{visibility};
		2887	cf::face::set_magicmap $idx, $info->{magicmap};
2518	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2888	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2519	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2889	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2520	Coro::cede;	2890
		2891	cf::cede_to_tick;
2521	}	2892	}
2522		2893
2523	while (my ($face, $info) = each %$faces) {	2894	while (my ($face, $info) = each %$faces) {
2524	next unless $info->{smooth};	2895	next unless $info->{smooth};
2525	my $idx = cf::face::find $face	2896	my $idx = cf::face::find $face
2526	or next;	2897	or next;
2527	if (my $smooth = cf::face::find $info->{smooth}) {	2898	if (my $smooth = cf::face::find $info->{smooth}) {
		2899	cf::face::set_smooth $idx, $smooth;
2528	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2900	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2529	} else {	2901	} else {
2530	warn "smooth face '$info->{smooth}' not found for face '$face'";	2902	warn "smooth face '$info->{smooth}' not found for face '$face'";
2531	}	2903	}
2532	Coro::cede;	2904
		2905	cf::cede_to_tick;
2533	}	2906	}
2534	}	2907	}
2535		2908
2536	{	2909	{
2537	my $anims = $facedata->{animinfo};	2910	my $anims = $facedata->{animinfo};
2538		2911
2539	while (my ($anim, $info) = each %$anims) {	2912	while (my ($anim, $info) = each %$anims) {
2540	cf::anim::set $anim, $info->{frames}, $info->{facings};	2913	cf::anim::set $anim, $info->{frames}, $info->{facings};
2541	Coro::cede;	2914	cf::cede_to_tick;
2542	}	2915	}
2543		2916
2544	cf::anim::invalidate_all; # d'oh	2917	cf::anim::invalidate_all; # d'oh
2545	}	2918	}
2546		2919
		2920	{
		2921	# TODO: for gcfclient pleasure, we should give resources
		2922	# that gcfclient doesn't grok a >10000 face index.
		2923	my $res = $facedata->{resource};
		2924
		2925	my $soundconf = delete $res->{"res/sound.conf"};
		2926
		2927	while (my ($name, $info) = each %$res) {
		2928	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2929	my $data;
		2930
		2931	if ($info->{type} & 1) {
		2932	# prepend meta info
		2933
		2934	my $meta = $enc->encode ({
		2935	name => $name,
		2936	%{ $info->{meta} || {} },
		2937	});
		2938
		2939	$data = pack "(w/a*)*", $meta, $info->{data};
		2940	} else {
		2941	$data = $info->{data};
		2942	}
		2943
		2944	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2945	cf::face::set_type $idx, $info->{type};
		2946
		2947	cf::cede_to_tick;
		2948	}
		2949
		2950	if ($soundconf) {
		2951	$soundconf = $enc->decode (delete $soundconf->{data});
		2952
		2953	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2954	my $sound = $soundconf->{compat}[$_]
		2955	or next;
		2956
		2957	my $face = cf::face::find "sound/$sound->[1]";
		2958	cf::sound::set $sound->[0] => $face;
		2959	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2960	}
		2961
		2962	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2963	my $face = cf::face::find "sound/$v";
		2964	cf::sound::set $k => $face;
		2965	}
		2966	}
		2967	}
		2968
2547	1	2969	1
2548	}	2970	}
2549		2971
		2972	register_exticmd fx_want => sub {
		2973	my ($ns, $want) = @_;
		2974
		2975	while (my ($k, $v) = each %$want) {
		2976	$ns->fx_want ($k, $v);
		2977	}
		2978	};
		2979
2550	sub reload_regions {	2980	sub reload_regions {
		2981	# HACK to clear player env face cache, we need some signal framework
		2982	# for this (global event?)
		2983	%ext::player_env::MUSIC_FACE_CACHE = ();
		2984
2551	load_resource_file "$MAPDIR/regions"	2985	load_resource_file "$MAPDIR/regions"
2552	or die "unable to load regions file\n";	2986	or die "unable to load regions file\n";
		2987
		2988	for (cf::region::list) {
		2989	$_->{match} = qr/$_->{match}/
		2990	if exists $_->{match};
		2991	}
2553	}	2992	}
2554		2993
2555	sub reload_facedata {	2994	sub reload_facedata {
2556	load_facedata "$DATADIR/facedata"	2995	load_facedata "$DATADIR/facedata"
2557	or die "unable to load facedata\n";	2996	or die "unable to load facedata\n";
2558	}	2997	}
2559		2998
2560	sub reload_archetypes {	2999	sub reload_archetypes {
		3000	load_resource_file "$DATADIR/archetypes"
		3001	or die "unable to load archetypes\n";
		3002	#d# NEED to laod twice to resolve forward references
		3003	# this really needs to be done in an extra post-pass
		3004	# (which needs to be synchronous, so solve it differently)
2561	load_resource_file "$DATADIR/archetypes"	3005	load_resource_file "$DATADIR/archetypes"
2562	or die "unable to load archetypes\n";	3006	or die "unable to load archetypes\n";
2563	}	3007	}
2564		3008
2565	sub reload_treasures {	3009	sub reload_treasures {
…		…
2581		3025
2582	sub init {	3026	sub init {
2583	reload_resources;	3027	reload_resources;
2584	}	3028	}
2585		3029
2586	sub cfg_load {	3030	sub reload_config {
2587	open my $fh, "<:utf8", "$CONFDIR/config"	3031	open my $fh, "<:utf8", "$CONFDIR/config"
2588	or return;	3032	or return;
2589		3033
2590	local $/;	3034	local $/;
2591	*CFG = YAML::Syck::Load <$fh>;	3035	*CFG = YAML::Syck::Load <$fh>;
…		…
2611	(async {	3055	(async {
2612	Event::one_event;	3056	Event::one_event;
2613	})->prio (Coro::PRIO_MAX);	3057	})->prio (Coro::PRIO_MAX);
2614	};	3058	};
2615		3059
2616	cfg_load;	3060	reload_config;
2617	db_init;	3061	db_init;
2618	load_extensions;	3062	load_extensions;
2619		3063
2620	$TICK_WATCHER->start;	3064	$TICK_WATCHER->start;
2621	Event::loop;	3065	Event::loop;
…		…
2637	},	3081	},
2638	);	3082	);
2639	}	3083	}
2640	}	3084	}
2641		3085
		3086	sub write_runtime {
		3087	my $runtime = "$LOCALDIR/runtime";
		3088
		3089	# first touch the runtime file to show we are still running:
		3090	# the fsync below can take a very very long time.
		3091
		3092	IO::AIO::aio_utime $runtime, undef, undef;
		3093
		3094	my $guard = cf::lock_acquire "write_runtime";
		3095
		3096	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3097	or return;
		3098
		3099	my $value = $cf::RUNTIME + 90 + 10;
		3100	# 10 is the runtime save interval, for a monotonic clock
		3101	# 60 allows for the watchdog to kill the server.
		3102
		3103	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3104	and return;
		3105
		3106	# always fsync - this file is important
		3107	aio_fsync $fh
		3108	and return;
		3109
		3110	# touch it again to show we are up-to-date
		3111	aio_utime $fh, undef, undef;
		3112
		3113	close $fh
		3114	or return;
		3115
		3116	aio_rename "$runtime~", $runtime
		3117	and return;
		3118
		3119	warn "runtime file written.\n";
		3120
		3121	1
		3122	}
		3123
2642	sub emergency_save() {	3124	sub emergency_save() {
2643	my $freeze_guard = cf::freeze_mainloop;	3125	my $freeze_guard = cf::freeze_mainloop;
2644		3126
2645	warn "enter emergency perl save\n";	3127	warn "enter emergency perl save\n";
2646		3128
…		…
2721	%EXT_CORO = ();	3203	%EXT_CORO = ();
2722		3204
2723	warn "removing commands";	3205	warn "removing commands";
2724	%COMMAND = ();	3206	%COMMAND = ();
2725		3207
2726	warn "removing ext commands";	3208	warn "removing ext/exti commands";
2727	%EXTCMD = ();	3209	%EXTCMD = ();
		3210	%EXTICMD = ();
2728		3211
2729	warn "unloading/nuking all extensions";	3212	warn "unloading/nuking all extensions";
2730	for my $pkg (@EXTS) {	3213	for my $pkg (@EXTS) {
2731	warn "... unloading $pkg";	3214	warn "... unloading $pkg";
2732		3215
…		…
2775	warn "reloading cf.pm";	3258	warn "reloading cf.pm";
2776	require cf;	3259	require cf;
2777	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3260	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2778		3261
2779	warn "loading config and database again";	3262	warn "loading config and database again";
2780	cf::cfg_load;	3263	cf::reload_config;
2781		3264
2782	warn "loading extensions";	3265	warn "loading extensions";
2783	cf::load_extensions;	3266	cf::load_extensions;
2784		3267
2785	warn "reattaching attachments to objects/players";	3268	warn "reattaching attachments to objects/players";

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