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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.267 by root, Sat May 19 00:08:11 2007 UTC vs.
Revision 1.343 by root, Mon Aug 27 01:13:48 2007 UTC

…		…
10	use Event;	10	use Event;
11	use Opcode;	11	use Opcode;
12	use Safe;	12	use Safe;
13	use Safe::Hole;	13	use Safe::Hole;
14		14
15	use Coro 3.61 ();	15	use Coro 3.64 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::Event;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
23	use Coro::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
24		25
		26	use JSON::XS 1.4 ();
25	use BDB ();	27	use BDB ();
26	use Data::Dumper;	28	use Data::Dumper;
27	use Digest::MD5;	29	use Digest::MD5;
28	use Fcntl;	30	use Fcntl;
29	use YAML::Syck ();	31	use YAML::Syck ();
30	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
31	use Time::HiRes;	33	use Time::HiRes;
32	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
33		36
34	# configure various modules to our taste	37	# configure various modules to our taste
35	#	38	#
36	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
…		…
49	our %COMMAND = ();	52	our %COMMAND = ();
50	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
51		54
52	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
56		60
57	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
58	our @EVENT;	62	our @EVENT;
…		…
164		168
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	170	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
		178
169	=back	179	=back
170		180
171	=cut	181	=cut
172		182
173	BEGIN {	183	BEGIN {
…		…
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		204
194	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	206	# within the Safe compartment.
196	for my $pkg (qw(	207	for my $pkg (qw(
197	cf::global cf::attachable	208	cf::global cf::attachable
…		…
205	}	216	}
206		217
207	$Event::DIED = sub {	218	$Event::DIED = sub {
208	warn "error in event callback: @_";	219	warn "error in event callback: @_";
209	};	220	};
		221
		222	#############################################################################
210		223
211	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
212		225
213	=over 4	226	=over 4
214		227
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	247	$d
235	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
236	}	249	}
237		250
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
241		252
242	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
243		254
244	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
245		256
246	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
		258
		259	=cut
		260
		261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		262
		263	sub to_json ($) { $json_coder->encode ($_[0]) }
		264	sub from_json ($) { $json_coder->decode ($_[0]) }
247		265
248	=item cf::lock_wait $string	266	=item cf::lock_wait $string
249		267
250	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
251		269
…		…
305	};	323	};
306	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
307	$guard	325	$guard
308	}	326	}
309		327
		328	=item cf::get_slot $time[, $priority[, $name]]
		329
		330	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		331	This call blocks and returns only when you have at least C<$time> seconds
		332	of cpu time till the next tick. The slot is only valid till the next cede.
		333
		334	The optional C<$name> can be used to identify the job to run. It might be
		335	used for statistical purposes and should identify the same time-class.
		336
		337	Useful for short background jobs.
		338
		339	=cut
		340
		341	our @SLOT_QUEUE;
		342	our $SLOT_QUEUE;
		343
		344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		345	$SLOT_QUEUE = Coro::async {
		346	my $signal = new Coro::Signal;
		347
		348	while () {
		349	next_job:
		350	my $avail = cf::till_tick;
		351	if ($avail > 0.01) {
		352	for (0 .. $#SLOT_QUEUE) {
		353	if ($SLOT_QUEUE[$_][0] < $avail) {
		354	my $job = splice @SLOT_QUEUE, $_, 1, ();
		355	$job->[2]->send;
		356	Coro::cede;
		357	goto next_job;
		358	}
		359	}
		360	}
		361
		362	if (@SLOT_QUEUE) {
		363	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		364	push @cf::WAIT_FOR_TICK, $signal;
		365	$signal->wait;
		366	} else {
		367	Coro::schedule;
		368	}
		369	}
		370	};
		371
		372	sub get_slot($;$$) {
		373	my ($time, $pri, $name) = @_;
		374
		375	$time = $TICK * .6 if $time > $TICK * .6;
		376	my $sig = new Coro::Signal;
		377
		378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		380	$SLOT_QUEUE->ready;
		381	$sig->wait;
		382	}
		383
310	=item cf::async { BLOCK }	384	=item cf::async { BLOCK }
311		385
312	Currently the same as Coro::async_pool, meaning you cannot use	386	Currently the same as Coro::async_pool, meaning you cannot use
313	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	387	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
314	thing you are allowed to do is call C<prio> on it.	388	thing you are allowed to do is call C<prio> on it.
…		…
317		391
318	BEGIN { *async = \&Coro::async_pool }	392	BEGIN { *async = \&Coro::async_pool }
319		393
320	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
321		395
322	The design of crossfire+ requires that the main coro ($Coro::main) is	396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	397	is always able to handle events or runnable, as Crossfire TRT is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		399	acceptable.
325		400
326	If it must be done, put the blocking parts into C<sync_job>. This will run	401	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	402	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	403	server will be frozen during this time, so the block should either finish
329	fast or be very important.	404	fast or be very important.
…		…
389	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
390		465
391	$coro	466	$coro
392	}	467	}
393		468
394	sub write_runtime {	469	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		470
397	# first touch the runtime file to show we are still running:	471	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	472	process, returning the results. Everything must be serialisable with
		473	Coro::Storable. May, of course, block. Note that the executed sub may
		474	never block itself or use any form of Event handling.
399		475
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	476	=cut
401	utime undef, undef, $fh;
402	}
403		477
404	my $guard = cf::lock_acquire "write_runtime";	478	sub fork_call(&@) {
		479	my ($cb, @args) = @_;
405		480
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	481	# we seemingly have to make a local copy of the whole thing,
407	or return;	482	# otherwise perl prematurely frees the stuff :/
		483	# TODO: investigate and fix (liekly this will be rather laborious)
408		484
409	my $value = $cf::RUNTIME + 90 + 10;	485	my @res = Coro::Util::fork_eval {
410	# 10 is the runtime save interval, for a monotonic clock	486	reset_signals;
411	# 60 allows for the watchdog to kill the server.	487	&$cb
		488	}, @args;
412		489
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	490	wantarray ? @res : $res[-1]
414	and return;	491	}
415		492
416	# always fsync - this file is important	493	=item $value = cf::db_get $family => $key
417	aio_fsync $fh
418	and return;
419		494
420	# touch it again to show we are up-to-date	495	Returns a single value from the environment database.
421	utime undef, undef, $fh;
422		496
423	close $fh	497	=item cf::db_put $family => $key => $value
424	or return;
425		498
426	aio_rename "$runtime~", $runtime	499	Stores the given C<$value> in the family. It can currently store binary
427	and return;	500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
428		501
429	warn "runtime file written.\n";#d#	502	=cut
430		503
		504	our $DB;
		505
		506	sub db_init {
		507	unless ($DB) {
		508	$DB = BDB::db_create $DB_ENV;
		509
		510	cf::sync_job {
		511	eval {
		512	$DB->set_flags (BDB::CHKSUM);
		513
		514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		516	cf::cleanup "db_open(db): $!" if $!;
		517	};
		518	cf::cleanup "db_open(db): $@" if $@;
		519	};
431	1	520	}
		521	}
		522
		523	sub db_get($$) {
		524	my $key = "$_[0]/$_[1]";
		525
		526	cf::sync_job {
		527	BDB::db_get $DB, undef, $key, my $data;
		528
		529	$! ? ()
		530	: $data
		531	}
		532	}
		533
		534	sub db_put($$$) {
		535	BDB::dbreq_pri 4;
		536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		537	}
		538
		539	=item cf::cache $id => [$paths...], $processversion => $process
		540
		541	Generic caching function that returns the value of the resource $id,
		542	caching and regenerating as required.
		543
		544	This function can block.
		545
		546	=cut
		547
		548	sub cache {
		549	my ($id, $src, $processversion, $process) = @_;
		550
		551	my $meta =
		552	join "\x00",
		553	$processversion,
		554	map {
		555	aio_stat $_
		556	and Carp::croak "$_: $!";
		557
		558	($_, (stat _)[7,9])
		559	} @$src;
		560
		561	my $dbmeta = db_get cache => "$id/meta";
		562	if ($dbmeta ne $meta) {
		563	# changed, we may need to process
		564
		565	my @data;
		566	my $md5;
		567
		568	for (0 .. $#$src) {
		569	0 <= aio_load $src->[$_], $data[$_]
		570	or Carp::croak "$src->[$_]: $!";
		571	}
		572
		573	# if processing is expensive, check
		574	# checksum first
		575	if (1) {
		576	$md5 =
		577	join "\x00",
		578	$processversion,
		579	map {
		580	Coro::cede;
		581	($src->[$_], Digest::MD5::md5_hex $data[$_])
		582	} 0.. $#$src;
		583
		584
		585	my $dbmd5 = db_get cache => "$id/md5";
		586	if ($dbmd5 eq $md5) {
		587	db_put cache => "$id/meta", $meta;
		588
		589	return db_get cache => "$id/data";
		590	}
		591	}
		592
		593	my $t1 = Time::HiRes::time;
		594	my $data = $process->(\@data);
		595	my $t2 = Time::HiRes::time;
		596
		597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		598
		599	db_put cache => "$id/data", $data;
		600	db_put cache => "$id/md5" , $md5;
		601	db_put cache => "$id/meta", $meta;
		602
		603	return $data;
		604	}
		605
		606	db_get cache => "$id/data"
432	}	607	}
433		608
434	=item cf::datalog type => key => value, ...	609	=item cf::datalog type => key => value, ...
435		610
436	Log a datalog packet of the given type with the given key-value pairs.	611	Log a datalog packet of the given type with the given key-value pairs.
…		…
454	attach callbacks/event handlers (a collection of which is called an "attachment")	629	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
456		631
457	In the following description, CLASS can be any of C<global>, C<object>	632	In the following description, CLASS can be any of C<global>, C<object>
458	C<player>, C<client> or C<map> (i.e. the attachable objects in	633	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	634	Crossfire TRT).
460		635
461	=over 4	636	=over 4
462		637
463	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
464		639
…		…
666	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
667	}	842	}
668		843
669	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
670	} else {	845	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	847	}
673		848
674	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
675	}	850	}
676		851
…		…
716	";	891	";
717	die if $@;	892	die if $@;
718	}	893	}
719		894
720	our $override;	895	our $override;
721	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	896	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
722		897
723	sub override {	898	sub override {
724	$override = 1;	899	$override = 1;
725	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
726	}	901	}
727		902
728	sub do_invoke {	903	sub do_invoke {
729	my $event = shift;	904	my $event = shift;
730	my $callbacks = shift;	905	my $callbacks = shift;
731		906
732	@invoke_results = ();	907	@INVOKE_RESULTS = ();
733		908
734	local $override;	909	local $override;
735		910
736	for (@$callbacks) {	911	for (@$callbacks) {
737	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
754		929
755	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
756		931
757	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	932	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
758	removed in future versions), and there is no public API to access override	933	removed in future versions), and there is no public API to access override
759	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		935
761	=back	936	=back
762		937
763	=cut	938	=cut
764		939
765	#############################################################################	940	#############################################################################
766	# object support	941	# object support
		942	#
		943
		944	sub _can_merge {
		945	my ($ob1, $ob2) = @_;
		946
		947	local $Storable::canonical = 1;
		948	my $fob1 = Storable::freeze $ob1;
		949	my $fob2 = Storable::freeze $ob2;
		950
		951	$fob1 eq $fob2
		952	}
767		953
768	sub reattach {	954	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	956	my ($obj) = @_;
771		957
…		…
874	or return;	1060	or return;
875	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
876	}	1062	}
877		1063
878	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
880	return ($data, $av);	1066	return ($data, $av);
881	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
882		1074
883	#############################################################################	1075	#############################################################################
884	# command handling &c	1076	# command handling &c
885		1077
886	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1092	}
901		1093
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1095
904	Register a callbackf ro execution when the client sends an extcmd packet.	1096	Register a callback for execution when the client sends an (synchronous)
		1097	extcmd packet. Ext commands will be processed in the order they are
		1098	received by the server, like other user commands. The first argument is
		1099	the logged-in player. Ext commands can only be processed after a player
		1100	has logged in successfully.
905		1101
906	If the callback returns something, it is sent back as if reply was being	1102	If the callback returns something, it is sent back as if reply was being
907	called.	1103	called.
908		1104
		1105	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1106
		1107	Register a callback for execution when the client sends an (asynchronous)
		1108	exticmd packet. Exti commands are processed by the server as soon as they
		1109	are received, i.e. out of order w.r.t. other commands. The first argument
		1110	is a client socket. Exti commands can be received anytime, even before
		1111	log-in.
		1112
		1113	If the callback returns something, it is sent back as if reply was being
		1114	called.
		1115
909	=cut	1116	=cut
910		1117
911	sub register_extcmd {	1118	sub register_extcmd {
912	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
913		1120
914	$EXTCMD{$name} = $cb;	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
915	}	1128	}
916		1129
917	cf::player->attach (	1130	cf::player->attach (
918	on_command => sub {	1131	on_command => sub {
919	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
928	cf::override;	1141	cf::override;
929	},	1142	},
930	on_extcmd => sub {	1143	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
932		1145
933	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1147
935	if (ref $msg) {	1148	if (ref $msg) {
		1149	my ($type, $reply, @payload) =
		1150	"ARRAY" eq ref $msg
		1151	? @$msg
		1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1153
		1154	my @reply;
		1155
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1156	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1157	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1158	}
		1159
		1160	$pl->ext_reply ($reply, @reply)
		1161	if $reply;
		1162
941	} else {	1163	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1164	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1165	}
944		1166
945	cf::override;	1167	cf::override;
946	},	1168	},
947	);	1169	);
948		1170
949	sub load_extension {
950	my ($path) = @_;
951
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
953	my $base = $1;
954	my $pkg = $1;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}
977	die $@;
978	}
979
980	push @EXTS, $pkg;
981	}
982
983	sub load_extensions {	1171	sub load_extensions {
		1172	cf::sync_job {
		1173	my %todo;
		1174
984	for my $ext (<$LIBDIR/*.ext>) {	1175	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1176	next unless -r $path;
986	eval {	1177
987	load_extension $ext;	1178	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1179	my $base = $1;
		1180	my $pkg = $1;
		1181	$pkg =~ s/[^[:word:]]/_/g;
		1182	$pkg = "ext::$pkg";
		1183
		1184	open my $fh, "<:utf8", $path
		1185	or die "$path: $!";
		1186
		1187	my $source = do { local $/; <$fh> };
		1188
		1189	my %ext = (
		1190	path => $path,
		1191	base => $base,
		1192	pkg => $pkg,
		1193	);
		1194
		1195	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1196	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1197
		1198	$ext{source} =
		1199	"package $pkg; use strict; use utf8;\n"
		1200	. "#line 1 \"$path\"\n{\n"
		1201	. $source
		1202	. "\n};\n1";
		1203
		1204	$todo{$base} = \%ext;
		1205	}
		1206
		1207	my %done;
		1208	while (%todo) {
		1209	my $progress;
		1210
		1211	while (my ($k, $v) = each %todo) {
		1212	for (split /,\s*/, $v->{meta}{depends}) {
		1213	goto skip
		1214	unless exists $done{$_};
		1215	}
		1216
		1217	warn "... loading '$k' into '$v->{pkg}'\n";
		1218
		1219	unless (eval $v->{source}) {
		1220	my $msg = $@ ? "$v->{path}: $@\n"
		1221	: "$v->{base}: extension inactive.\n";
		1222
		1223	if (exists $v->{meta}{mandatory}) {
		1224	warn $msg;
		1225	warn "mandatory extension failed to load, exiting.\n";
		1226	exit 1;
		1227	}
		1228
		1229	warn $msg;
		1230	}
		1231
		1232	$done{$k} = delete $todo{$k};
		1233	push @EXTS, $v->{pkg};
		1234	$progress = 1;
988	1	1235	}
989	} or warn "$ext not loaded: $@";	1236
		1237	skip:
		1238	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1239	unless $progress;
		1240	}
990	}	1241	};
991	}	1242	}
992		1243
993	#############################################################################	1244	#############################################################################
		1245
		1246	=back
994		1247
995	=head2 CORE EXTENSIONS	1248	=head2 CORE EXTENSIONS
996		1249
997	Functions and methods that extend core crossfire objects.	1250	Functions and methods that extend core crossfire objects.
998		1251
…		…
1085	$cf::PLAYER{$login} = $self;	1338	$cf::PLAYER{$login} = $self;
1086		1339
1087	$self	1340	$self
1088	}	1341	}
1089		1342
		1343	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1344
		1345	=cut
		1346
		1347	sub send_msg {
		1348	my $ns = shift->ns
		1349	or return;
		1350	$ns->send_msg (@_);
		1351	}
		1352
1090	=item $pl->quit_character	1353	=item $pl->quit_character
1091		1354
1092	Nukes the player without looking back. If logged in, the connection will	1355	Nukes the player without looking back. If logged in, the connection will
1093	be destroyed. May block for a long time.	1356	be destroyed. May block for a long time.
1094		1357
…		…
1186	}	1449	}
1187		1450
1188	\@paths	1451	\@paths
1189	}	1452	}
1190		1453
		1454	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1455
		1456	Expand crossfire pod fragments into protocol xml.
		1457
		1458	=cut
		1459
		1460	sub expand_cfpod {
		1461	((my $self), (local $_)) = @_;
		1462
		1463	# escape & and <
		1464	s/&/&amp;/g;
		1465	s/(?<![BIUGH])</&lt;/g;
		1466
		1467	# this is buggy, it needs to properly take care of nested <'s
		1468
		1469	1 while
		1470	# replace B<>, I<>, U<> etc.
		1471	s/B<([^\>]*)>/<b>$1<\/b>/
		1472	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1473	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1474	# replace G<male|female> tags
		1475	|| s{G<([^>|]*)\|([^>]*)>}{
		1476	$self->gender ? $2 : $1
		1477	}ge
		1478	# replace H<hint text>
		1479	|| s{H<([^\>]*)>}
		1480	{
		1481	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1482	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1483	"")
		1484	[$self->{hintmode}]
		1485	}ge;
		1486
		1487	# create single paragraphs (very hackish)
		1488	s/(?<=\S)\n(?=\w)/ /g;
		1489
		1490	# compress some whitespace
		1491	s/\s+\n/\n/g; # ws line-ends
		1492	s/\n\n+/\n/g; # double lines
		1493	s/^\n+//; # beginning lines
		1494	s/\n+$//; # ending lines
		1495
		1496	$_
		1497	}
		1498
		1499	sub hintmode {
		1500	$_[0]{hintmode} = $_[1] if @_ > 1;
		1501	$_[0]{hintmode}
		1502	}
		1503
1191	=item $player->ext_reply ($msgid, %msg)	1504	=item $player->ext_reply ($msgid, @msg)
1192		1505
1193	Sends an ext reply to the player.	1506	Sends an ext reply to the player.
1194		1507
1195	=cut	1508	=cut
1196		1509
1197	sub ext_reply($$%) {	1510	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1511	my ($self, $id, @msg) = @_;
1199		1512
1200	$msg{msgid} = $id;	1513	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1514	}
1204		1515
1205	=item $player->ext_event ($type, %msg)	1516	=item $player->ext_msg ($type, @msg)
1206		1517
1207	Sends an ext event to the client.	1518	Sends an ext event to the client.
1208		1519
1209	=cut	1520	=cut
1210		1521
1211	sub ext_event($$%) {	1522	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1523	my ($self, $type, @msg) = @_;
1213		1524
1214	$self->ns->ext_event ($type, %msg);	1525	$self->ns->ext_msg ($type, @msg);
1215	}	1526	}
1216		1527
1217	=head3 cf::region	1528	=head3 cf::region
1218		1529
1219	=over 4	1530	=over 4
…		…
1222		1533
1223	package cf::region;	1534	package cf::region;
1224		1535
1225	=item cf::region::find_by_path $path	1536	=item cf::region::find_by_path $path
1226		1537
1227	Tries to decuce the probable region for a map knowing only its path.	1538	Tries to decuce the likely region for a map knowing only its path.
1228		1539
1229	=cut	1540	=cut
1230		1541
1231	sub find_by_path($) {	1542	sub find_by_path($) {
1232	my ($path) = @_;	1543	my ($path) = @_;
1233		1544
1234	my ($match, $specificity);	1545	my ($match, $specificity);
1235		1546
1236	for my $region (list) {	1547	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1548	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1549	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1550	if $region->specificity > $specificity;
1240	}	1551	}
1241	}	1552	}
1242		1553
…		…
1306	my ($self, $merge) = @_;	1617	my ($self, $merge) = @_;
1307		1618
1308	# we have to keep some variables in memory intact	1619	# we have to keep some variables in memory intact
1309	local $self->{path};	1620	local $self->{path};
1310	local $self->{load_path};	1621	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1622
1314	$self->SUPER::thawer_merge ($merge);	1623	$self->SUPER::thawer_merge ($merge);
1315	}	1624	}
1316		1625
1317	sub normalise {	1626	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1673	$self->init; # pass $1 etc.
1365	return $self;	1674	return $self;
1366	}	1675	}
1367	}	1676	}
1368		1677
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1678	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1679	()
1371	}	1680	}
1372		1681
1373	sub init {	1682	sub init {
1374	my ($self) = @_;	1683	my ($self) = @_;
…		…
1415	sub change_all_map_light {	1724	sub change_all_map_light {
1416	my ($change) = @_;	1725	my ($change) = @_;
1417		1726
1418	$_->change_map_light ($change)	1727	$_->change_map_light ($change)
1419	for grep $_->outdoor, values %cf::MAP;	1728	for grep $_->outdoor, values %cf::MAP;
		1729	}
		1730
		1731	sub decay_objects {
		1732	my ($self) = @_;
		1733
		1734	return if $self->{deny_reset};
		1735
		1736	$self->do_decay_objects;
1420	}	1737	}
1421		1738
1422	sub unlink_save {	1739	sub unlink_save {
1423	my ($self) = @_;	1740	my ($self) = @_;
1424		1741
…		…
1482	$self->load_header_orig	1799	$self->load_header_orig
1483	or return;	1800	or return;
1484	$self->prepare_orig;	1801	$self->prepare_orig;
1485	}	1802	}
1486		1803
		1804	$self->{deny_reset} = 1
		1805	if $self->no_reset;
		1806
1487	$self->default_region (cf::region::find_by_path $self->{path})	1807	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	1808	unless $self->default_region;
1489		1809
1490	1	1810	1
1491	}	1811	}
…		…
1506	$map->{last_save} = $cf::RUNTIME;	1826	$map->{last_save} = $cf::RUNTIME;
1507		1827
1508	$map->load_header	1828	$map->load_header
1509	or return;	1829	or return;
1510		1830
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	1832	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	1833	#$cf::WAIT_FOR_TICK->wait;
1514	$map->reset;	1834	$map->reset;
1515	undef $guard;	1835	undef $guard;
1516	return find $path;	1836	return find $path;
…		…
1571	$self->set_darkness_map;	1891	$self->set_darkness_map;
1572	Coro::cede;	1892	Coro::cede;
1573	$self->activate;	1893	$self->activate;
1574	}	1894	}
1575		1895
		1896	$self->{last_save} = $cf::RUNTIME;
		1897	$self->last_access ($cf::RUNTIME);
		1898
1576	$self->in_memory (cf::MAP_IN_MEMORY);	1899	$self->in_memory (cf::MAP_IN_MEMORY);
1577	}	1900	}
1578		1901
1579	$self->post_load;	1902	$self->post_load;
1580	}	1903	}
…		…
1583	my ($self, $ob) = @_;	1906	my ($self, $ob) = @_;
1584		1907
1585	return find "~" . $ob->name . "/" . $self->{path}	1908	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	1909	if $self->per_player;
1587		1910
		1911	# return find "?party/" . $ob->name . "/" . $self->{path}
		1912	# if $self->per_party;
		1913
1588	$self	1914	$self
1589	}	1915	}
1590		1916
1591	# find and load all maps in the 3x3 area around a map	1917	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	1918	sub load_neighbours {
1593	my ($map) = @_;	1919	my ($map) = @_;
1594		1920
1595	my @diag; # diagonal neighbours	1921	my @neigh; # diagonal neighbours
1596		1922
1597	for (0 .. 3) {	1923	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	1924	my $neigh = $map->tile_path ($_)
1599	or next;	1925	or next;
1600	$neigh = find $neigh, $map	1926	$neigh = find $neigh, $map
1601	or next;	1927	or next;
1602	$neigh->load;	1928	$neigh->load;
1603		1929
		1930	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1931	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1932	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	1933	}
1607		1934
1608	for (@diag) {	1935	for (grep defined $_->[0], @neigh) {
		1936	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	1937	my $neigh = find $path, $origin
1610	or next;	1938	or next;
1611	$neigh->load;	1939	$neigh->load;
1612	}	1940	}
1613	}	1941	}
1614		1942
…		…
1619	}	1947	}
1620		1948
1621	sub do_load_sync {	1949	sub do_load_sync {
1622	my ($map) = @_;	1950	my ($map) = @_;
1623		1951
		1952	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1953	if $Coro::current == $Coro::main;
		1954
1624	cf::sync_job { $map->load };	1955	cf::sync_job { $map->load };
1625	}	1956	}
1626		1957
1627	our %MAP_PREFETCH;	1958	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	1959	our $MAP_PREFETCHER = undef;
1629		1960
1630	sub find_async {	1961	sub find_async {
1631	my ($path, $origin) = @_;	1962	my ($path, $origin, $load) = @_;
1632		1963
1633	$path = normalise $path, $origin && $origin->{path};	1964	$path = normalise $path, $origin && $origin->{path};
1634		1965
1635	if (my $map = $cf::MAP{$path}) {	1966	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1967	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1637	}	1968	}
1638		1969
1639	undef $MAP_PREFETCH{$path};	1970	$MAP_PREFETCH{$path} |= $load;
		1971
1640	$MAP_PREFETCHER ||= cf::async {	1972	$MAP_PREFETCHER ||= cf::async {
1641	while (%MAP_PREFETCH) {	1973	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	1974	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	1975	if (my $map = find $k) {
1644	or next;
1645	$map->load;	1976	$map->load if $v;
		1977	}
1646		1978
1647	delete $MAP_PREFETCH{$path};	1979	delete $MAP_PREFETCH{$k};
1648	}	1980	}
1649	}	1981	}
1650	undef $MAP_PREFETCHER;	1982	undef $MAP_PREFETCHER;
1651	};	1983	};
1652	$MAP_PREFETCHER->prio (6);	1984	$MAP_PREFETCHER->prio (6);
…		…
1702		2034
1703	sub reset_at {	2035	sub reset_at {
1704	my ($self) = @_;	2036	my ($self) = @_;
1705		2037
1706	# TODO: safety, remove and allow resettable per-player maps	2038	# TODO: safety, remove and allow resettable per-player maps
1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1708	return 1e99 if $self->{deny_reset};	2039	return 1e99 if $self->{deny_reset};
1709		2040
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2041	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2042	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2043
…		…
1723	my ($self) = @_;	2054	my ($self) = @_;
1724		2055
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2056	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2057
1727	return if $self->players;	2058	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2059
1730	warn "resetting map ", $self->path;#d#	2060	warn "resetting map ", $self->path;
1731		2061
1732	$self->in_memory (cf::MAP_SWAPPED);	2062	$self->in_memory (cf::MAP_SWAPPED);
1733		2063
1734	# need to save uniques path	2064	# need to save uniques path
1735	unless ($self->{deny_save}) {	2065	unless ($self->{deny_save}) {
…		…
1767	$cf::MAP{$self->path} = $self;	2097	$cf::MAP{$self->path} = $self;
1768		2098
1769	$self->reset; # polite request, might not happen	2099	$self->reset; # polite request, might not happen
1770	}	2100	}
1771		2101
		2102	=item $maps = cf::map::tmp_maps
		2103
		2104	Returns an arrayref with all map paths of currently instantiated and saved
		2105	maps. May block.
		2106
		2107	=cut
		2108
		2109	sub tmp_maps() {
		2110	[
		2111	map {
		2112	utf8::decode $_;
		2113	/\.map$/
		2114	? normalise $_
		2115	: ()
		2116	} @{ aio_readdir $TMPDIR or [] }
		2117	]
		2118	}
		2119
		2120	=item $maps = cf::map::random_maps
		2121
		2122	Returns an arrayref with all map paths of currently instantiated and saved
		2123	random maps. May block.
		2124
		2125	=cut
		2126
		2127	sub random_maps() {
		2128	[
		2129	map {
		2130	utf8::decode $_;
		2131	/\.map$/
		2132	? normalise "?random/$_"
		2133	: ()
		2134	} @{ aio_readdir $RANDOMDIR or [] }
		2135	]
		2136	}
		2137
1772	=item cf::map::unique_maps	2138	=item cf::map::unique_maps
1773		2139
1774	Returns an arrayref of paths of all shared maps that have	2140	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2141	instantiated unique items. May block.
1776		2142
1777	=cut	2143	=cut
1778		2144
1779	sub unique_maps() {	2145	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2146	[
1781	or return;	2147	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2148	utf8::decode $_;
1787	next if /\.pst$/;	2149	/\.map$/
1788	next unless /^$PATH_SEP/o;	2150	? normalise $_
1789		2151	: ()
1790	push @paths, cf::map::normalise $_;	2152	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2153	]
1792
1793	\@paths
1794	}	2154	}
1795		2155
1796	package cf;	2156	package cf;
1797		2157
1798	=back	2158	=back
…		…
1844		2204
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2205	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2206
1847	if ($self->{record_replies}) {	2207	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2208	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2209
1849	} else {	2210	} else {
		2211	my $pl = $self->contr;
		2212
		2213	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2214	my $dialog = $pl->{npc_dialog};
		2215	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2216
		2217	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2218	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2219	$self->message ($msg, $flags);
		2220	}
1852	}	2221	}
		2222	}
		2223
		2224	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2225
		2226	=cut
		2227
		2228	sub cf::object::send_msg {
		2229	my $pl = shift->contr
		2230	or return;
		2231	$pl->send_msg (@_);
1853	}	2232	}
1854		2233
1855	=item $player_object->may ("access")	2234	=item $player_object->may ("access")
1856		2235
1857	Returns wether the given player is authorized to access resource "access"	2236	Returns wether the given player is authorized to access resource "access"
…		…
1904	$self->deactivate_recursive;	2283	$self->deactivate_recursive;
1905		2284
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2285	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2286
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2287	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2288	if $self->map && $self->map->{path} ne "{link}";
1910		2289
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2290	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1912	}	2291	}
1913		2292
1914	sub cf::object::player::leave_link {	2293	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2294	my ($self, $map, $x, $y) = @_;
		2295
		2296	return unless $self->contr->active;
1916		2297
1917	my $link_pos = delete $self->{_link_pos};	2298	my $link_pos = delete $self->{_link_pos};
1918		2299
1919	unless ($map) {	2300	unless ($map) {
1920	# restore original map position	2301	# restore original map position
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2315	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2316	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2317	if $x <=0 && $y <= 0;
1937		2318
1938	$map->load;	2319	$map->load;
1939	$map->load_diag;	2320	$map->load_neighbours;
1940		2321
1941	return unless $self->contr->active;	2322	return unless $self->contr->active;
1942	$self->activate_recursive;	2323	$self->activate_recursive;
1943		2324
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2325	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2326	$self->enter_map ($map, $x, $y);
1946	}	2327	}
1947		2328
1948	cf::player->attach (	2329	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949	on_logout => sub {
1950	my ($pl) = @_;
1951		2330
1952	# abort map switching before logout	2331	Moves the player to the given map-path and coordinates by first freezing
1953	if ($pl->ob->{_link_pos}) {	2332	her, loading and preparing them map, calling the provided $check callback
1954	cf::sync_job {	2333	that has to return the map if sucecssful, and then unfreezes the player on
1955	$pl->ob->leave_link	2334	the new (success) or old (failed) map position. In either case, $done will
1956	};	2335	be called at the end of this process.
1957	}
1958	},
1959	on_login => sub {
1960	my ($pl) = @_;
1961		2336
1962	# try to abort aborted map switching on player login :)
1963	# should happen only on crashes
1964	if ($pl->ob->{_link_pos}) {
1965	$pl->ob->enter_link;
1966	(async {
1967	$pl->ob->reply (undef,
1968	"There was an internal problem at your last logout, "
1969	. "the server will try to bring you to your intended destination in a second.",
1970	cf::NDI_RED);
1971	# we need this sleep as the login has a concurrent enter_exit running
1972	# and this sleep increases chances of the player not ending up in scorn
1973	Coro::Timer::sleep 1;
1974	$pl->ob->leave_link;
1975	})->prio (2);
1976	}
1977	},
1978	);
1979
1980	=item $player_object->goto ($path, $x, $y)
1981
1982	=cut	2337	=cut
		2338
		2339	our $GOTOGEN;
1983		2340
1984	sub cf::object::player::goto {	2341	sub cf::object::player::goto {
1985	my ($self, $path, $x, $y) = @_;	2342	my ($self, $path, $x, $y, $check, $done) = @_;
		2343
		2344	# do generation counting so two concurrent goto's will be executed in-order
		2345	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1986		2346
1987	$self->enter_link;	2347	$self->enter_link;
1988		2348
1989	(async {	2349	(async {
1990	my $map = eval {	2350	my $map = eval {
1991	my $map = cf::map::find $path;	2351	my $map = cf::map::find $path;
		2352
		2353	if ($map) {
1992	$map = $map->customise_for ($self) if $map;	2354	$map = $map->customise_for ($self);
		2355	$map = $check->($map) if $check && $map;
		2356	} else {
		2357	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2358	}
		2359
1993	$map	2360	$map
		2361	};
		2362
		2363	if ($@) {
		2364	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2365	LOG llevError | logBacktrace, Carp::longmess $@;
1994	} or	2366	}
1995	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1996		2367
		2368	if ($gen == $self->{_goto_generation}) {
		2369	delete $self->{_goto_generation};
1997	$self->leave_link ($map, $x, $y);	2370	$self->leave_link ($map, $x, $y);
		2371	}
		2372
		2373	$done->() if $done;
1998	})->prio (1);	2374	})->prio (1);
1999	}	2375	}
2000		2376
2001	=item $player_object->enter_exit ($exit_object)	2377	=item $player_object->enter_exit ($exit_object)
2002		2378
…		…
2071	my $hp = $exit->stats->hp;	2447	my $hp = $exit->stats->hp;
2072	my $sp = $exit->stats->sp;	2448	my $sp = $exit->stats->sp;
2073		2449
2074	$self->enter_link;	2450	$self->enter_link;
2075		2451
		2452	# if exit is damned, update players death & WoR home-position
		2453	$self->contr->savebed ($slaying, $hp, $sp)
		2454	if $exit->flag (FLAG_DAMNED);
		2455
2076	(async {	2456	(async {
2077	$self->deactivate_recursive; # just to be sure	2457	$self->deactivate_recursive; # just to be sure
2078	unless (eval {	2458	unless (eval {
2079	$self->goto ($slaying, $hp, $sp);	2459	$self->goto ($slaying, $hp, $sp);
2080		2460
…		…
2107		2487
2108	utf8::encode $text;	2488	utf8::encode $text;
2109	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2489	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2110	}	2490	}
2111		2491
		2492	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2493
		2494	Send a drawinfo or msg packet to the client, formatting the msg for the
		2495	client if neccessary. C<$type> should be a string identifying the type of
		2496	the message, with C<log> being the default. If C<$color> is negative, suppress
		2497	the message unless the client supports the msg packet.
		2498
		2499	=cut
		2500
		2501	sub cf::client::send_msg {
		2502	my ($self, $channel, $msg, $color, @extra) = @_;
		2503
		2504	$msg = $self->pl->expand_cfpod ($msg);
		2505
		2506	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2507
		2508	if (ref $channel) {
		2509	# send meta info to client, if not yet sent
		2510	unless (exists $self->{channel}{$channel->{id}}) {
		2511	$self->{channel}{$channel->{id}} = $channel;
		2512	$self->ext_msg (channel_info => $channel);
		2513	}
		2514
		2515	$channel = $channel->{id};
		2516	}
		2517
		2518	return unless @extra || length $msg;
		2519
		2520	if ($self->can_msg) {
		2521	# default colour, mask it out
		2522	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2523	if $color & cf::NDI_DEF;
		2524
		2525	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2526	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2527	} else {
		2528	if ($color >= 0) {
		2529	# replace some tags by gcfclient-compatible ones
		2530	for ($msg) {
		2531	1 while
		2532	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2533	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2534	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2535	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2536	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2537	}
		2538
		2539	$color &= cf::NDI_COLOR_MASK;
		2540
		2541	utf8::encode $msg;
		2542
		2543	if (0 && $msg =~ /\[/) {
		2544	# COMMAND/INFO
		2545	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2546	} else {
		2547	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2548	$self->send_packet ("drawinfo $color $msg")
		2549	}
		2550	}
		2551	}
		2552	}
		2553
2112	=item $client->ext_event ($type, %msg)	2554	=item $client->ext_msg ($type, @msg)
2113		2555
2114	Sends an exti event to the client.	2556	Sends an ext event to the client.
2115		2557
2116	=cut	2558	=cut
2117		2559
2118	sub cf::client::ext_event($$%) {	2560	sub cf::client::ext_msg($$@) {
2119	my ($self, $type, %msg) = @_;	2561	my ($self, $type, @msg) = @_;
2120		2562
		2563	if ($self->extcmd == 2) {
		2564	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2565	} elsif ($self->extcmd == 1) { # TODO: remove
2121	$msg{msgtype} = "event_$type";	2566	push @msg, msgtype => "event_$type";
2122	$self->send_packet ("ext " . cf::to_json \%msg);	2567	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2568	}
		2569	}
		2570
		2571	=item $client->ext_reply ($msgid, @msg)
		2572
		2573	Sends an ext reply to the client.
		2574
		2575	=cut
		2576
		2577	sub cf::client::ext_reply($$@) {
		2578	my ($self, $id, @msg) = @_;
		2579
		2580	if ($self->extcmd == 2) {
		2581	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2582	} elsif ($self->extcmd == 1) {
		2583	#TODO: version 1, remove
		2584	unshift @msg, msgtype => "reply", msgid => $id;
		2585	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2586	}
2123	}	2587	}
2124		2588
2125	=item $success = $client->query ($flags, "text", \&cb)	2589	=item $success = $client->query ($flags, "text", \&cb)
2126		2590
2127	Queues a query to the client, calling the given callback with	2591	Queues a query to the client, calling the given callback with
2128	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2592	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2129	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2593	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2130		2594
2131	Queries can fail, so check the return code. Or don't, as queries will become	2595	Queries can fail, so check the return code. Or don't, as queries will
2132	reliable at some point in the future.	2596	become reliable at some point in the future.
2133		2597
2134	=cut	2598	=cut
2135		2599
2136	sub cf::client::query {	2600	sub cf::client::query {
2137	my ($self, $flags, $text, $cb) = @_;	2601	my ($self, $flags, $text, $cb) = @_;
…		…
2145	utf8::encode $text;	2609	utf8::encode $text;
2146	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2610	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2147		2611
2148	$self->send_packet ($self->{query_queue}[0][0])	2612	$self->send_packet ($self->{query_queue}[0][0])
2149	if @{ $self->{query_queue} } == 1;	2613	if @{ $self->{query_queue} } == 1;
		2614
		2615	1
2150	}	2616	}
2151		2617
2152	cf::client->attach (	2618	cf::client->attach (
		2619	on_connect => sub {
		2620	my ($ns) = @_;
		2621
		2622	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2623	},
2153	on_reply => sub {	2624	on_reply => sub {
2154	my ($ns, $msg) = @_;	2625	my ($ns, $msg) = @_;
2155		2626
2156	# this weird shuffling is so that direct followup queries	2627	# this weird shuffling is so that direct followup queries
2157	# get handled first	2628	# get handled first
…		…
2169	} else {	2640	} else {
2170	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2641	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2171	}	2642	}
2172	}	2643	}
2173	},	2644	},
		2645	on_exticmd => sub {
		2646	my ($ns, $buf) = @_;
		2647
		2648	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2649
		2650	if (ref $msg) {
		2651	my ($type, $reply, @payload) =
		2652	"ARRAY" eq ref $msg
		2653	? @$msg
		2654	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2655
		2656	my @reply;
		2657
		2658	if (my $cb = $EXTICMD{$type}) {
		2659	@reply = $cb->($ns, @payload);
		2660	}
		2661
		2662	$ns->ext_reply ($reply, @reply)
		2663	if $reply;
		2664
		2665	} else {
		2666	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2667	}
		2668
		2669	cf::override;
		2670	},
2174	);	2671	);
2175		2672
2176	=item $client->async (\&cb)	2673	=item $client->async (\&cb)
2177		2674
2178	Create a new coroutine, running the specified callback. The coroutine will	2675	Create a new coroutine, running the specified callback. The coroutine will
…		…
2219	our $safe = new Safe "safe";	2716	our $safe = new Safe "safe";
2220	our $safe_hole = new Safe::Hole;	2717	our $safe_hole = new Safe::Hole;
2221		2718
2222	$SIG{FPE} = 'IGNORE';	2719	$SIG{FPE} = 'IGNORE';
2223		2720
2224	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2721	$safe->permit_only (Opcode::opset qw(
		2722	:base_core :base_mem :base_orig :base_math
		2723	grepstart grepwhile mapstart mapwhile
		2724	sort time
		2725	));
2225		2726
2226	# here we export the classes and methods available to script code	2727	# here we export the classes and methods available to script code
2227		2728
2228	=pod	2729	=pod
2229		2730
2230	The following functions and methods are available within a safe environment:	2731	The following functions and methods are available within a safe environment:
2231		2732
2232	cf::object contr pay_amount pay_player map	2733	cf::object
		2734	contr pay_amount pay_player map x y force_find force_add
		2735	insert remove name archname title slaying race decrease_ob_nr
		2736
2233	cf::object::player player	2737	cf::object::player
2234	cf::player peaceful	2738	player
2235	cf::map trigger	2739
		2740	cf::player
		2741	peaceful
		2742
		2743	cf::map
		2744	trigger
2236		2745
2237	=cut	2746	=cut
2238		2747
2239	for (	2748	for (
2240	["cf::object" => qw(contr pay_amount pay_player map)],	2749	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2750	insert remove inv name archname title slaying race
		2751	decrease_ob_nr)],
2241	["cf::object::player" => qw(player)],	2752	["cf::object::player" => qw(player)],
2242	["cf::player" => qw(peaceful)],	2753	["cf::player" => qw(peaceful)],
2243	["cf::map" => qw(trigger)],	2754	["cf::map" => qw(trigger)],
2244	) {	2755	) {
2245	no strict 'refs';	2756	no strict 'refs';
…		…
2316	=back	2827	=back
2317		2828
2318	=cut	2829	=cut
2319		2830
2320	#############################################################################	2831	#############################################################################
2321
2322	=head2 EXTENSION DATABASE SUPPORT
2323
2324	Crossfire maintains a very simple database for extension use. It can
2325	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2326	convert to/from binary).
2327
2328	The parameter C<$family> should best start with the name of the extension
2329	using it, it should be unique.
2330
2331	=over 4
2332
2333	=item $value = cf::db_get $family => $key
2334
2335	Returns a single value from the database.
2336
2337	=item cf::db_put $family => $key => $value
2338
2339	Stores the given C<$value> in the family.
2340
2341	=cut
2342
2343	our $DB;
2344
2345	sub db_init {
2346	unless ($DB) {
2347	$DB = BDB::db_create $DB_ENV;
2348
2349	cf::sync_job {
2350	eval {
2351	$DB->set_flags (BDB::CHKSUM);
2352
2353	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2354	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2355	cf::cleanup "db_open(db): $!" if $!;
2356	};
2357	cf::cleanup "db_open(db): $@" if $@;
2358	};
2359	}
2360	}
2361
2362	sub db_get($$) {
2363	my $key = "$_[0]/$_[1]";
2364
2365	cf::sync_job {
2366	BDB::db_get $DB, undef, $key, my $data;
2367
2368	$! ? ()
2369	: $data
2370	}
2371	}
2372
2373	sub db_put($$$) {
2374	BDB::dbreq_pri 4;
2375	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2376	}
2377
2378	=item cf::cache $id => [$paths...], $processversion => $process
2379
2380	Generic caching function that returns the value of the resource $id,
2381	caching and regenerating as required.
2382
2383	This function can block.
2384
2385	=cut
2386
2387	sub cache {
2388	my ($id, $src, $processversion, $process) = @_;
2389
2390	my $meta =
2391	join "\x00",
2392	$processversion,
2393	map {
2394	aio_stat $_
2395	and Carp::croak "$_: $!";
2396
2397	($_, (stat _)[7,9])
2398	} @$src;
2399
2400	my $dbmeta = db_get cache => "$id/meta";
2401	if ($dbmeta ne $meta) {
2402	# changed, we may need to process
2403
2404	my @data;
2405	my $md5;
2406
2407	for (0 .. $#$src) {
2408	0 <= aio_load $src->[$_], $data[$_]
2409	or Carp::croak "$src->[$_]: $!";
2410	}
2411
2412	# if processing is expensive, check
2413	# checksum first
2414	if (1) {
2415	$md5 =
2416	join "\x00",
2417	$processversion,
2418	map {
2419	Coro::cede;
2420	($src->[$_], Digest::MD5::md5_hex $data[$_])
2421	} 0.. $#$src;
2422
2423
2424	my $dbmd5 = db_get cache => "$id/md5";
2425	if ($dbmd5 eq $md5) {
2426	db_put cache => "$id/meta", $meta;
2427
2428	return db_get cache => "$id/data";
2429	}
2430	}
2431
2432	my $t1 = Time::HiRes::time;
2433	my $data = $process->(\@data);
2434	my $t2 = Time::HiRes::time;
2435
2436	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2437
2438	db_put cache => "$id/data", $data;
2439	db_put cache => "$id/md5" , $md5;
2440	db_put cache => "$id/meta", $meta;
2441
2442	return $data;
2443	}
2444
2445	db_get cache => "$id/data"
2446	}
2447
2448	=item fork_call { }, $args
2449
2450	Executes the given code block with the given arguments in a seperate
2451	process, returning the results. Everything must be serialisable with
2452	Coro::Storable. May, of course, block. Note that the executed sub may
2453	never block itself or use any form of Event handling.
2454
2455	=cut
2456
2457	sub fork_call(&@) {
2458	my ($cb, @args) = @_;
2459
2460	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2461	# or die "socketpair: $!";
2462	pipe my $fh1, my $fh2
2463	or die "pipe: $!";
2464
2465	if (my $pid = fork) {
2466	close $fh2;
2467
2468	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2469	$res = Coro::Storable::thaw $res;
2470
2471	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2472
2473	die $$res unless "ARRAY" eq ref $res;
2474
2475	return wantarray ? @$res : $res->[-1];
2476	} else {
2477	reset_signals;
2478	local $SIG{__WARN__};
2479	local $SIG{__DIE__};
2480	eval {
2481	close $fh1;
2482
2483	my @res = eval { $cb->(@args) };
2484	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2485	};
2486
2487	warn $@ if $@;
2488	_exit 0;
2489	}
2490	}
2491
2492
2493
2494	#############################################################################
2495	# the server's init and main functions	2832	# the server's init and main functions
2496		2833
2497	sub load_facedata($) {	2834	sub load_facedata($) {
2498	my ($path) = @_;	2835	my ($path) = @_;
		2836
		2837	my $enc = JSON::XS->new->utf8->canonical;
2499		2838
2500	warn "loading facedata from $path\n";	2839	warn "loading facedata from $path\n";
2501		2840
2502	my $facedata;	2841	my $facedata;
2503	0 < aio_load $path, $facedata	2842	0 < aio_load $path, $facedata
…		…
2506	$facedata = Coro::Storable::thaw $facedata;	2845	$facedata = Coro::Storable::thaw $facedata;
2507		2846
2508	$facedata->{version} == 2	2847	$facedata->{version} == 2
2509	or cf::cleanup "$path: version mismatch, cannot proceed.";	2848	or cf::cleanup "$path: version mismatch, cannot proceed.";
2510		2849
		2850	# patch in the exptable
		2851	$facedata->{resource}{"res/exp_table"} = {
		2852	type => FT_RSRC,
		2853	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2854	};
		2855	cf::cede_to_tick;
		2856
2511	{	2857	{
2512	my $faces = $facedata->{faceinfo};	2858	my $faces = $facedata->{faceinfo};
2513		2859
2514	while (my ($face, $info) = each %$faces) {	2860	while (my ($face, $info) = each %$faces) {
2515	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2861	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2516	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2862	cf::face::set_visibility $idx, $info->{visibility};
		2863	cf::face::set_magicmap $idx, $info->{magicmap};
2517	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2864	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2518	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2865	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2519	Coro::cede;	2866
		2867	cf::cede_to_tick;
2520	}	2868	}
2521		2869
2522	while (my ($face, $info) = each %$faces) {	2870	while (my ($face, $info) = each %$faces) {
2523	next unless $info->{smooth};	2871	next unless $info->{smooth};
2524	my $idx = cf::face::find $face	2872	my $idx = cf::face::find $face
2525	or next;	2873	or next;
2526	if (my $smooth = cf::face::find $info->{smooth}) {	2874	if (my $smooth = cf::face::find $info->{smooth}) {
		2875	cf::face::set_smooth $idx, $smooth;
2527	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2876	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2528	} else {	2877	} else {
2529	warn "smooth face '$info->{smooth}' not found for face '$face'";	2878	warn "smooth face '$info->{smooth}' not found for face '$face'";
2530	}	2879	}
2531	Coro::cede;	2880
		2881	cf::cede_to_tick;
2532	}	2882	}
2533	}	2883	}
2534		2884
2535	{	2885	{
2536	my $anims = $facedata->{animinfo};	2886	my $anims = $facedata->{animinfo};
2537		2887
2538	while (my ($anim, $info) = each %$anims) {	2888	while (my ($anim, $info) = each %$anims) {
2539	cf::anim::set $anim, $info->{frames}, $info->{facings};	2889	cf::anim::set $anim, $info->{frames}, $info->{facings};
2540	Coro::cede;	2890	cf::cede_to_tick;
2541	}	2891	}
2542		2892
2543	cf::anim::invalidate_all; # d'oh	2893	cf::anim::invalidate_all; # d'oh
2544	}	2894	}
2545		2895
		2896	{
		2897	# TODO: for gcfclient pleasure, we should give resources
		2898	# that gcfclient doesn't grok a >10000 face index.
		2899	my $res = $facedata->{resource};
		2900
		2901	my $soundconf = delete $res->{"res/sound.conf"};
		2902
		2903	while (my ($name, $info) = each %$res) {
		2904	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2905	my $data;
		2906
		2907	if ($info->{type} & 1) {
		2908	# prepend meta info
		2909
		2910	my $meta = $enc->encode ({
		2911	name => $name,
		2912	%{ $info->{meta} || {} },
		2913	});
		2914
		2915	$data = pack "(w/a*)*", $meta, $info->{data};
		2916	} else {
		2917	$data = $info->{data};
		2918	}
		2919
		2920	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2921	cf::face::set_type $idx, $info->{type};
		2922
		2923	cf::cede_to_tick;
		2924	}
		2925
		2926	if ($soundconf) {
		2927	$soundconf = $enc->decode (delete $soundconf->{data});
		2928
		2929	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2930	my $sound = $soundconf->{compat}[$_]
		2931	or next;
		2932
		2933	my $face = cf::face::find "sound/$sound->[1]";
		2934	cf::sound::set $sound->[0] => $face;
		2935	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2936	}
		2937
		2938	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2939	my $face = cf::face::find "sound/$v";
		2940	cf::sound::set $k => $face;
		2941	}
		2942	}
		2943	}
		2944
2546	1	2945	1
2547	}	2946	}
		2947
		2948	register_exticmd fx_want => sub {
		2949	my ($ns, $want) = @_;
		2950
		2951	while (my ($k, $v) = each %$want) {
		2952	$ns->fx_want ($k, $v);
		2953	}
		2954	};
2548		2955
2549	sub reload_regions {	2956	sub reload_regions {
2550	load_resource_file "$MAPDIR/regions"	2957	load_resource_file "$MAPDIR/regions"
2551	or die "unable to load regions file\n";	2958	or die "unable to load regions file\n";
		2959
		2960	for (cf::region::list) {
		2961	$_->{match} = qr/$_->{match}/
		2962	if exists $_->{match};
		2963	}
2552	}	2964	}
2553		2965
2554	sub reload_facedata {	2966	sub reload_facedata {
2555	load_facedata "$DATADIR/facedata"	2967	load_facedata "$DATADIR/facedata"
2556	or die "unable to load facedata\n";	2968	or die "unable to load facedata\n";
2557	}	2969	}
2558		2970
2559	sub reload_archetypes {	2971	sub reload_archetypes {
2560	load_resource_file "$DATADIR/archetypes"	2972	load_resource_file "$DATADIR/archetypes"
2561	or die "unable to load archetypes\n";	2973	or die "unable to load archetypes\n";
		2974	#d# NEED to laod twice to resolve forward references
		2975	# this really needs to be done in an extra post-pass
		2976	# (which needs to be synchronous, so solve it differently)
		2977	load_resource_file "$DATADIR/archetypes"
		2978	or die "unable to load archetypes\n";
2562	}	2979	}
2563		2980
2564	sub reload_treasures {	2981	sub reload_treasures {
2565	load_resource_file "$DATADIR/treasures"	2982	load_resource_file "$DATADIR/treasures"
2566	or die "unable to load treasurelists\n";	2983	or die "unable to load treasurelists\n";
…		…
2569	sub reload_resources {	2986	sub reload_resources {
2570	warn "reloading resource files...\n";	2987	warn "reloading resource files...\n";
2571		2988
2572	reload_regions;	2989	reload_regions;
2573	reload_facedata;	2990	reload_facedata;
		2991	#reload_archetypes;#d#
2574	reload_archetypes;	2992	reload_archetypes;
2575	reload_treasures;	2993	reload_treasures;
2576		2994
2577	warn "finished reloading resource files\n";	2995	warn "finished reloading resource files\n";
2578	}	2996	}
…		…
2635	},	3053	},
2636	);	3054	);
2637	}	3055	}
2638	}	3056	}
2639		3057
		3058	sub write_runtime {
		3059	my $runtime = "$LOCALDIR/runtime";
		3060
		3061	# first touch the runtime file to show we are still running:
		3062	# the fsync below can take a very very long time.
		3063
		3064	IO::AIO::aio_utime $runtime, undef, undef;
		3065
		3066	my $guard = cf::lock_acquire "write_runtime";
		3067
		3068	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3069	or return;
		3070
		3071	my $value = $cf::RUNTIME + 90 + 10;
		3072	# 10 is the runtime save interval, for a monotonic clock
		3073	# 60 allows for the watchdog to kill the server.
		3074
		3075	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3076	and return;
		3077
		3078	# always fsync - this file is important
		3079	aio_fsync $fh
		3080	and return;
		3081
		3082	# touch it again to show we are up-to-date
		3083	aio_utime $fh, undef, undef;
		3084
		3085	close $fh
		3086	or return;
		3087
		3088	aio_rename "$runtime~", $runtime
		3089	and return;
		3090
		3091	warn "runtime file written.\n";
		3092
		3093	1
		3094	}
		3095
2640	sub emergency_save() {	3096	sub emergency_save() {
2641	my $freeze_guard = cf::freeze_mainloop;	3097	my $freeze_guard = cf::freeze_mainloop;
2642		3098
2643	warn "enter emergency perl save\n";	3099	warn "enter emergency perl save\n";
2644		3100
…		…
2719	%EXT_CORO = ();	3175	%EXT_CORO = ();
2720		3176
2721	warn "removing commands";	3177	warn "removing commands";
2722	%COMMAND = ();	3178	%COMMAND = ();
2723		3179
2724	warn "removing ext commands";	3180	warn "removing ext/exti commands";
2725	%EXTCMD = ();	3181	%EXTCMD = ();
		3182	%EXTICMD = ();
2726		3183
2727	warn "unloading/nuking all extensions";	3184	warn "unloading/nuking all extensions";
2728	for my $pkg (@EXTS) {	3185	for my $pkg (@EXTS) {
2729	warn "... unloading $pkg";	3186	warn "... unloading $pkg";
2730		3187
…		…
2848	my $signal = new Coro::Signal;	3305	my $signal = new Coro::Signal;
2849	push @WAIT_FOR_TICK_BEGIN, $signal;	3306	push @WAIT_FOR_TICK_BEGIN, $signal;
2850	$signal->wait;	3307	$signal->wait;
2851	}	3308	}
2852		3309
		3310	my $min = 1e6;#d#
		3311	my $avg = 10;
2853	$TICK_WATCHER = Event->timer (	3312	$TICK_WATCHER = Event->timer (
2854	reentrant => 0,	3313	reentrant => 0,
2855	parked => 1,	3314	parked => 1,
2856	prio => 0,	3315	prio => 0,
2857	at => $NEXT_TICK || $TICK,	3316	at => $NEXT_TICK || $TICK,
…		…
2864	}	3323	}
2865		3324
2866	$NOW = $tick_start = Event::time;	3325	$NOW = $tick_start = Event::time;
2867		3326
2868	cf::server_tick; # one server iteration	3327	cf::server_tick; # one server iteration
		3328
		3329	0 && sync_job {#d#
		3330	for(1..10) {
		3331	my $t = Event::time;
		3332	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3333	or die;
		3334
		3335	$map->width (50);
		3336	$map->height (50);
		3337	$map->alloc;
		3338	$map->_load_objects ("/tmp/x.map", 1);
		3339	my $t = Event::time - $t;
		3340
		3341	#next unless $t < 0.0013;#d#
		3342	if ($t < $min) {
		3343	$min = $t;
		3344	}
		3345	$avg = $avg * 0.99 + $t * 0.01;
		3346	}
		3347	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3348	exit 0;
		3349	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3350	};
2869		3351
2870	$RUNTIME += $TICK;	3352	$RUNTIME += $TICK;
2871	$NEXT_TICK += $TICK;	3353	$NEXT_TICK += $TICK;
2872		3354
2873	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3355	if ($NOW >= $NEXT_RUNTIME_WRITE) {

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