[ViewVC] Diff of: cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.271 by root, Fri Jun 1 06:04:08 2007 UTC vs.
Revision 1.332 by root, Sat Aug 18 17:33:53 2007 UTC

…		…
10	use Event;	10	use Event;
11	use Opcode;	11	use Opcode;
12	use Safe;	12	use Safe;
13	use Safe::Hole;	13	use Safe::Hole;
14		14
15	use Coro 3.61 ();	15	use Coro 3.64 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::Event;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
23	use Coro::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
24		25
		26	use JSON::XS 1.4 ();
25	use BDB ();	27	use BDB ();
26	use Data::Dumper;	28	use Data::Dumper;
27	use Digest::MD5;	29	use Digest::MD5;
28	use Fcntl;	30	use Fcntl;
29	use YAML::Syck ();	31	use YAML::Syck ();
30	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
31	use Time::HiRes;	33	use Time::HiRes;
32	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
33		36
34	# configure various modules to our taste	37	# configure various modules to our taste
35	#	38	#
36	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
…		…
49	our %COMMAND = ();	52	our %COMMAND = ();
50	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
51		54
52	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
56		60
57	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
58	our @EVENT;	62	our @EVENT;
…		…
164		168
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	170	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
		178
169	=back	179	=back
170		180
171	=cut	181	=cut
172		182
173	BEGIN {	183	BEGIN {
…		…
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		204
194	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	206	# within the Safe compartment.
196	for my $pkg (qw(	207	for my $pkg (qw(
197	cf::global cf::attachable	208	cf::global cf::attachable
…		…
205	}	216	}
206		217
207	$Event::DIED = sub {	218	$Event::DIED = sub {
208	warn "error in event callback: @_";	219	warn "error in event callback: @_";
209	};	220	};
		221
		222	#############################################################################
210		223
211	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
212		225
213	=over 4	226	=over 4
214		227
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	247	$d
235	} \|\| "[unable to dump $_[0]: '$@']";	248	} \|\| "[unable to dump $_[0]: '$@']";
236	}	249	}
237		250
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
241		252
242	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
243		254
244	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
245		256
246	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
		258
		259	=cut
		260
		261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		262
		263	sub to_json ($) { $json_coder->encode ($_[0]) }
		264	sub from_json ($) { $json_coder->decode ($_[0]) }
247		265
248	=item cf::lock_wait $string	266	=item cf::lock_wait $string
249		267
250	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
251		269
…		…
305	};	323	};
306	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
307	$guard	325	$guard
308	}	326	}
309		327
		328	=item cf::get_slot $time[, $priority[, $name]]
		329
		330	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		331	This call blocks and returns only when you have at least C<$time> seconds
		332	of cpu time till the next tick. The slot is only valid till the next cede.
		333
		334	The optional C<$name> can be used to identify the job to run. It might be
		335	used for statistical purposes and should identify the same time-class.
		336
		337	Useful for short background jobs.
		338
		339	=cut
		340
		341	our @SLOT_QUEUE;
		342	our $SLOT_QUEUE;
		343
		344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		345	$SLOT_QUEUE = Coro::async {
		346	my $signal = new Coro::Signal;
		347
		348	while () {
		349	next_job:
		350	my $avail = cf::till_tick;
		351	if ($avail > 0.01) {
		352	for (0 .. $#SLOT_QUEUE) {
		353	if ($SLOT_QUEUE[$_][0] < $avail) {
		354	my $job = splice @SLOT_QUEUE, $_, 1, ();
		355	$job->[2]->send;
		356	Coro::cede;
		357	goto next_job;
		358	}
		359	}
		360	}
		361
		362	if (@SLOT_QUEUE) {
		363	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		364	push @cf::WAIT_FOR_TICK, $signal;
		365	$signal->wait;
		366	} else {
		367	Coro::schedule;
		368	}
		369	}
		370	};
		371
		372	sub get_slot($;$$) {
		373	my ($time, $pri, $name) = @_;
		374
		375	$time = $TICK * .6 if $time > $TICK * .6;
		376	my $sig = new Coro::Signal;
		377
		378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		380	$SLOT_QUEUE->ready;
		381	$sig->wait;
		382	}
		383
310	=item cf::async { BLOCK }	384	=item cf::async { BLOCK }
311		385
312	Currently the same as Coro::async_pool, meaning you cannot use	386	Currently the same as Coro::async_pool, meaning you cannot use
313	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	387	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
314	thing you are allowed to do is call C<prio> on it.	388	thing you are allowed to do is call C<prio> on it.
…		…
317		391
318	BEGIN { *async = \&Coro::async_pool }	392	BEGIN { *async = \&Coro::async_pool }
319		393
320	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
321		395
322	The design of crossfire+ requires that the main coro ($Coro::main) is	396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	397	is always able to handle events or runnable, as Crossfire TRT is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		399	acceptable.
325		400
326	If it must be done, put the blocking parts into C<sync_job>. This will run	401	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	402	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	403	server will be frozen during this time, so the block should either finish
329	fast or be very important.	404	fast or be very important.
…		…
389	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
390		465
391	$coro	466	$coro
392	}	467	}
393		468
394	sub write_runtime {	469	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		470
397	# first touch the runtime file to show we are still running:	471	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	472	process, returning the results. Everything must be serialisable with
		473	Coro::Storable. May, of course, block. Note that the executed sub may
		474	never block itself or use any form of Event handling.
399		475
400	IO::AIO::aio_utime $runtime, undef, undef;	476	=cut
401		477
402	my $guard = cf::lock_acquire "write_runtime";	478	sub fork_call(&@) {
		479	my ($cb, @args) = @_;
403		480
404	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644	481	# we seemingly have to make a local copy of the whole thing,
405	or return;	482	# otherwise perl prematurely frees the stuff :/
		483	# TODO: investigate and fix (liekly this will be rather laborious)
406		484
407	my $value = $cf::RUNTIME + 90 + 10;	485	my @res = Coro::Util::fork_eval {
408	# 10 is the runtime save interval, for a monotonic clock	486	reset_signals;
409	# 60 allows for the watchdog to kill the server.	487	&$cb
		488	}, @args;
410		489
411	(aio_write $fh, 0, (length $value), $value, 0) <= 0	490	wantarray ? @res : $res[-1]
412	and return;	491	}
413		492
414	# always fsync - this file is important	493	=item $value = cf::db_get $family => $key
415	aio_fsync $fh
416	and return;
417		494
418	# touch it again to show we are up-to-date	495	Returns a single value from the environment database.
419	aio_utime $fh, undef, undef;
420		496
421	close $fh	497	=item cf::db_put $family => $key => $value
422	or return;
423		498
424	aio_rename "$runtime~", $runtime	499	Stores the given C<$value> in the family. It can currently store binary
425	and return;	500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
426		501
427	warn "runtime file written.\n";#d#	502	=cut
428		503
		504	our $DB;
		505
		506	sub db_init {
		507	unless ($DB) {
		508	$DB = BDB::db_create $DB_ENV;
		509
		510	cf::sync_job {
		511	eval {
		512	$DB->set_flags (BDB::CHKSUM);
		513
		514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		515	BDB::CREATE \| BDB::AUTO_COMMIT, 0666;
		516	cf::cleanup "db_open(db): $!" if $!;
		517	};
		518	cf::cleanup "db_open(db): $@" if $@;
		519	};
429	1	520	}
		521	}
		522
		523	sub db_get($$) {
		524	my $key = "$_[0]/$_[1]";
		525
		526	cf::sync_job {
		527	BDB::db_get $DB, undef, $key, my $data;
		528
		529	$! ? ()
		530	: $data
		531	}
		532	}
		533
		534	sub db_put($$$) {
		535	BDB::dbreq_pri 4;
		536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		537	}
		538
		539	=item cf::cache $id => [$paths...], $processversion => $process
		540
		541	Generic caching function that returns the value of the resource $id,
		542	caching and regenerating as required.
		543
		544	This function can block.
		545
		546	=cut
		547
		548	sub cache {
		549	my ($id, $src, $processversion, $process) = @_;
		550
		551	my $meta =
		552	join "\x00",
		553	$processversion,
		554	map {
		555	aio_stat $_
		556	and Carp::croak "$_: $!";
		557
		558	($_, (stat _)[7,9])
		559	} @$src;
		560
		561	my $dbmeta = db_get cache => "$id/meta";
		562	if ($dbmeta ne $meta) {
		563	# changed, we may need to process
		564
		565	my @data;
		566	my $md5;
		567
		568	for (0 .. $#$src) {
		569	0 <= aio_load $src->[$_], $data[$_]
		570	or Carp::croak "$src->[$_]: $!";
		571	}
		572
		573	# if processing is expensive, check
		574	# checksum first
		575	if (1) {
		576	$md5 =
		577	join "\x00",
		578	$processversion,
		579	map {
		580	Coro::cede;
		581	($src->[$_], Digest::MD5::md5_hex $data[$_])
		582	} 0.. $#$src;
		583
		584
		585	my $dbmd5 = db_get cache => "$id/md5";
		586	if ($dbmd5 eq $md5) {
		587	db_put cache => "$id/meta", $meta;
		588
		589	return db_get cache => "$id/data";
		590	}
		591	}
		592
		593	my $t1 = Time::HiRes::time;
		594	my $data = $process->(\@data);
		595	my $t2 = Time::HiRes::time;
		596
		597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		598
		599	db_put cache => "$id/data", $data;
		600	db_put cache => "$id/md5" , $md5;
		601	db_put cache => "$id/meta", $meta;
		602
		603	return $data;
		604	}
		605
		606	db_get cache => "$id/data"
430	}	607	}
431		608
432	=item cf::datalog type => key => value, ...	609	=item cf::datalog type => key => value, ...
433		610
434	Log a datalog packet of the given type with the given key-value pairs.	611	Log a datalog packet of the given type with the given key-value pairs.
…		…
452	attach callbacks/event handlers (a collection of which is called an "attachment")	629	attach callbacks/event handlers (a collection of which is called an "attachment")
453	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
454		631
455	In the following description, CLASS can be any of C<global>, C<object>	632	In the following description, CLASS can be any of C<global>, C<object>
456	C<player>, C<client> or C<map> (i.e. the attachable objects in	633	C<player>, C<client> or C<map> (i.e. the attachable objects in
457	crossfire+).	634	Crossfire TRT).
458		635
459	=over 4	636	=over 4
460		637
461	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
462		639
…		…
664	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
665	}	842	}
666		843
667	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
668	} else {	845	} else {
669	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
670	}	847	}
671		848
672	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
673	}	850	}
674		851
…		…
714	";	891	";
715	die if $@;	892	die if $@;
716	}	893	}
717		894
718	our $override;	895	our $override;
719	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	896	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
720		897
721	sub override {	898	sub override {
722	$override = 1;	899	$override = 1;
723	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
724	}	901	}
725		902
726	sub do_invoke {	903	sub do_invoke {
727	my $event = shift;	904	my $event = shift;
728	my $callbacks = shift;	905	my $callbacks = shift;
729		906
730	@invoke_results = ();	907	@INVOKE_RESULTS = ();
731		908
732	local $override;	909	local $override;
733		910
734	for (@$callbacks) {	911	for (@$callbacks) {
735	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
752		929
753	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
754		931
755	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	932	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
756	removed in future versions), and there is no public API to access override	933	removed in future versions), and there is no public API to access override
757	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		935
759	=back	936	=back
760		937
761	=cut	938	=cut
762		939
763	#############################################################################	940	#############################################################################
764	# object support	941	# object support
		942	#
		943
		944	sub _can_merge {
		945	my ($ob1, $ob2) = @_;
		946
		947	local $Storable::canonical = 1;
		948	my $fob1 = Storable::freeze $ob1;
		949	my $fob2 = Storable::freeze $ob2;
		950
		951	$fob1 eq $fob2
		952	}
765		953
766	sub reattach {	954	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	956	my ($obj) = @_;
769		957
…		…
872	or return;	1060	or return;
873	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
874	}	1062	}
875		1063
876	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
877	$filename, length $data, scalar @{$av \|\| []};#d#	1065	$filename, length $data, scalar @{$av \|\| []};
878	return ($data, $av);	1066	return ($data, $av);
879	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
880		1074
881	#############################################################################	1075	#############################################################################
882	# command handling &c	1076	# command handling &c
883		1077
884	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1092	}
899		1093
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1095
902	Register a callbackf ro execution when the client sends an extcmd packet.	1096	Register a callback for execution when the client sends an (synchronous)
		1097	extcmd packet. Ext commands will be processed in the order they are
		1098	received by the server, like other user commands. The first argument is
		1099	the logged-in player. Ext commands can only be processed after a player
		1100	has logged in successfully.
903		1101
904	If the callback returns something, it is sent back as if reply was being	1102	If the callback returns something, it is sent back as if reply was being
905	called.	1103	called.
906		1104
		1105	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1106
		1107	Register a callback for execution when the client sends an (asynchronous)
		1108	exticmd packet. Exti commands are processed by the server as soon as they
		1109	are received, i.e. out of order w.r.t. other commands. The first argument
		1110	is a client socket. Exti commands can be received anytime, even before
		1111	log-in.
		1112
		1113	If the callback returns something, it is sent back as if reply was being
		1114	called.
		1115
907	=cut	1116	=cut
908		1117
909	sub register_extcmd {	1118	sub register_extcmd {
910	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
911		1120
912	$EXTCMD{$name} = $cb;	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
913	}	1128	}
914		1129
915	cf::player->attach (	1130	cf::player->attach (
916	on_command => sub {	1131	on_command => sub {
917	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
926	cf::override;	1141	cf::override;
927	},	1142	},
928	on_extcmd => sub {	1143	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
930		1145
931	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1147
933	if (ref $msg) {	1148	if (ref $msg) {
		1149	my ($type, $reply, @payload) =
		1150	"ARRAY" eq ref $msg
		1151	? @$msg
		1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1153
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1154	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1155	my @reply = $cb->($pl, @payload);
		1156
936	$pl->ext_reply ($msg->{msgid}, %reply);	1157	$pl->ext_reply ($reply, @reply)
937	}	1158	if $reply;
938	}	1159	}
939	} else {	1160	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1162	}
942		1163
943	cf::override;	1164	cf::override;
944	},	1165	},
945	);	1166	);
946		1167
947	sub load_extension {
948	my ($path) = @_;
949
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
951	my $base = $1;
952	my $pkg = $1;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955
956	warn "... loading '$path' into '$pkg'\n";
957
958	open my $fh, "<:utf8", $path
959	or die "$path: $!";
960
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	unless (eval $source) {
968	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970	if ($source =~ /^#!.perl.#.*MANDATORY/m) { # ugly match
971	warn $@;
972	warn "mandatory extension failed to load, exiting.\n";
973	exit 1;
974	}
975	die $@;
976	}
977
978	push @EXTS, $pkg;
979	}
980
981	sub load_extensions {	1168	sub load_extensions {
		1169	cf::sync_job {
		1170	my %todo;
		1171
982	for my $ext (<$LIBDIR/*.ext>) {	1172	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1173	next unless -r $path;
984	eval {	1174
985	load_extension $ext;	1175	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1176	my $base = $1;
		1177	my $pkg = $1;
		1178	$pkg =~ s/[^[:word:]]/_/g;
		1179	$pkg = "ext::$pkg";
		1180
		1181	open my $fh, "<:utf8", $path
		1182	or die "$path: $!";
		1183
		1184	my $source = do { local $/; <$fh> };
		1185
		1186	my %ext = (
		1187	path => $path,
		1188	base => $base,
		1189	pkg => $pkg,
		1190	);
		1191
		1192	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1193	if $source =~ /\A#!.?perl.?#\s(.)$/m;
		1194
		1195	$ext{source} =
		1196	"package $pkg; use strict; use utf8;\n"
		1197	. "#line 1 \"$path\"\n{\n"
		1198	. $source
		1199	. "\n};\n1";
		1200
		1201	$todo{$base} = \%ext;
		1202	}
		1203
		1204	my %done;
		1205	while (%todo) {
		1206	my $progress;
		1207
		1208	while (my ($k, $v) = each %todo) {
		1209	for (split /,\s*/, $v->{meta}{depends}) {
		1210	goto skip
		1211	unless exists $done{$_};
		1212	}
		1213
		1214	warn "... loading '$k' into '$v->{pkg}'\n";
		1215
		1216	unless (eval $v->{source}) {
		1217	my $msg = $@ ? "$v->{path}: $@\n"
		1218	: "$v->{base}: extension inactive.\n";
		1219
		1220	if (exists $v->{meta}{mandatory}) {
		1221	warn $msg;
		1222	warn "mandatory extension failed to load, exiting.\n";
		1223	exit 1;
		1224	}
		1225
		1226	warn $msg;
		1227	}
		1228
		1229	$done{$k} = delete $todo{$k};
		1230	push @EXTS, $v->{pkg};
		1231	$progress = 1;
986	1	1232	}
987	} or warn "$ext not loaded: $@";	1233
		1234	skip:
		1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1236	unless $progress;
		1237	}
988	}	1238	};
989	}	1239	}
990		1240
991	#############################################################################	1241	#############################################################################
		1242
		1243	=back
992		1244
993	=head2 CORE EXTENSIONS	1245	=head2 CORE EXTENSIONS
994		1246
995	Functions and methods that extend core crossfire objects.	1247	Functions and methods that extend core crossfire objects.
996		1248
…		…
1083	$cf::PLAYER{$login} = $self;	1335	$cf::PLAYER{$login} = $self;
1084		1336
1085	$self	1337	$self
1086	}	1338	}
1087		1339
		1340	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1341
		1342	=cut
		1343
		1344	sub send_msg {
		1345	my $ns = shift->ns
		1346	or return;
		1347	$ns->send_msg (@_);
		1348	}
		1349
1088	=item $pl->quit_character	1350	=item $pl->quit_character
1089		1351
1090	Nukes the player without looking back. If logged in, the connection will	1352	Nukes the player without looking back. If logged in, the connection will
1091	be destroyed. May block for a long time.	1353	be destroyed. May block for a long time.
1092		1354
…		…
1184	}	1446	}
1185		1447
1186	\@paths	1448	\@paths
1187	}	1449	}
1188		1450
		1451	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1452
		1453	Expand crossfire pod fragments into protocol xml.
		1454
		1455	=cut
		1456
		1457	sub expand_cfpod {
		1458	((my $self), (local $_)) = @_;
		1459
		1460	# escape & and <
		1461	s/&/&/g;
		1462	s/(?<![BIUGH])</</g;
		1463
		1464	# this is buggy, it needs to properly take care of nested <'s
		1465
		1466	1 while
		1467	# replace B<>, I<>, U<> etc.
		1468	s/B<([^\>]*)>/<b>$1<\/b>/
		1469	\|\| s/I<([^\>]*)>/<i>$1<\/i>/
		1470	\|\| s/U<([^\>]*)>/<u>$1<\/u>/
		1471	# replace G<male\|female> tags
		1472	\|\| s{G<([^>\|])\\|([^>])>}{
		1473	$self->gender ? $2 : $1
		1474	}ge
		1475	# replace H<hint text>
		1476	\|\| s{H<([^\>]*)>}
		1477	{
		1478	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1479	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1480	"")
		1481	[$self->{hintmode}]
		1482	}ge;
		1483
		1484	# create single paragraphs (very hackish)
		1485	s/(?<=\S)\n(?=\w)/ /g;
		1486
		1487	# compress some whitespace
		1488	s/\s+\n/\n/g; # ws line-ends
		1489	s/\n\n+/\n/g; # double lines
		1490	s/^\n+//; # beginning lines
		1491	s/\n+$//; # ending lines
		1492
		1493	$_
		1494	}
		1495
		1496	sub hintmode {
		1497	$_[0]{hintmode} = $_[1] if @_ > 1;
		1498	$_[0]{hintmode}
		1499	}
		1500
1189	=item $player->ext_reply ($msgid, %msg)	1501	=item $player->ext_reply ($msgid, @msg)
1190		1502
1191	Sends an ext reply to the player.	1503	Sends an ext reply to the player.
1192		1504
1193	=cut	1505	=cut
1194		1506
1195	sub ext_reply($$%) {	1507	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1508	my ($self, $id, @msg) = @_;
1197		1509
1198	$msg{msgid} = $id;	1510	if ($self->ns->extcmd == 2) {
1199		1511	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1200	$self->send ("ext " . cf::to_json \%msg);	1512	} elsif ($self->ns->extcmd == 1) {
		1513	#TODO: version 1, remove
		1514	unshift @msg, msgtype => "reply", msgid => $id;
		1515	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1516	}
1201	}	1517	}
1202		1518
1203	=item $player->ext_event ($type, %msg)	1519	=item $player->ext_msg ($type, @msg)
1204		1520
1205	Sends an ext event to the client.	1521	Sends an ext event to the client.
1206		1522
1207	=cut	1523	=cut
1208		1524
1209	sub ext_event($$%) {	1525	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1526	my ($self, $type, @msg) = @_;
1211		1527
1212	$self->ns->ext_event ($type, %msg);	1528	$self->ns->ext_msg ($type, @msg);
1213	}	1529	}
1214		1530
1215	=head3 cf::region	1531	=head3 cf::region
1216		1532
1217	=over 4	1533	=over 4
…		…
1220		1536
1221	package cf::region;	1537	package cf::region;
1222		1538
1223	=item cf::region::find_by_path $path	1539	=item cf::region::find_by_path $path
1224		1540
1225	Tries to decuce the probable region for a map knowing only its path.	1541	Tries to decuce the likely region for a map knowing only its path.
1226		1542
1227	=cut	1543	=cut
1228		1544
1229	sub find_by_path($) {	1545	sub find_by_path($) {
1230	my ($path) = @_;	1546	my ($path) = @_;
1231		1547
1232	my ($match, $specificity);	1548	my ($match, $specificity);
1233		1549
1234	for my $region (list) {	1550	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1551	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1552	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1553	if $region->specificity > $specificity;
1238	}	1554	}
1239	}	1555	}
1240		1556
…		…
1304	my ($self, $merge) = @_;	1620	my ($self, $merge) = @_;
1305		1621
1306	# we have to keep some variables in memory intact	1622	# we have to keep some variables in memory intact
1307	local $self->{path};	1623	local $self->{path};
1308	local $self->{load_path};	1624	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1625
1312	$self->SUPER::thawer_merge ($merge);	1626	$self->SUPER::thawer_merge ($merge);
1313	}	1627	}
1314		1628
1315	sub normalise {	1629	sub normalise {
…		…
1362	$self->init; # pass $1 etc.	1676	$self->init; # pass $1 etc.
1363	return $self;	1677	return $self;
1364	}	1678	}
1365	}	1679	}
1366		1680
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	1681	Carp::cluck "unable to resolve path '$path' (base '$base').";
1368	()	1682	()
1369	}	1683	}
1370		1684
1371	sub init {	1685	sub init {
1372	my ($self) = @_;	1686	my ($self) = @_;
…		…
1413	sub change_all_map_light {	1727	sub change_all_map_light {
1414	my ($change) = @_;	1728	my ($change) = @_;
1415		1729
1416	$_->change_map_light ($change)	1730	$_->change_map_light ($change)
1417	for grep $_->outdoor, values %cf::MAP;	1731	for grep $_->outdoor, values %cf::MAP;
		1732	}
		1733
		1734	sub decay_objects {
		1735	my ($self) = @_;
		1736
		1737	return if $self->{deny_reset};
		1738
		1739	$self->do_decay_objects;
1418	}	1740	}
1419		1741
1420	sub unlink_save {	1742	sub unlink_save {
1421	my ($self) = @_;	1743	my ($self) = @_;
1422		1744
…		…
1480	$self->load_header_orig	1802	$self->load_header_orig
1481	or return;	1803	or return;
1482	$self->prepare_orig;	1804	$self->prepare_orig;
1483	}	1805	}
1484		1806
		1807	$self->{deny_reset} = 1
		1808	if $self->no_reset;
		1809
1485	$self->default_region (cf::region::find_by_path $self->{path})	1810	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	1811	unless $self->default_region;
1487		1812
1488	1	1813	1
1489	}	1814	}
…		…
1504	$map->{last_save} = $cf::RUNTIME;	1829	$map->{last_save} = $cf::RUNTIME;
1505		1830
1506	$map->load_header	1831	$map->load_header
1507	or return;	1832	or return;
1508		1833
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	1835	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	1836	#$cf::WAIT_FOR_TICK->wait;
1512	$map->reset;	1837	$map->reset;
1513	undef $guard;	1838	undef $guard;
1514	return find $path;	1839	return find $path;
…		…
1569	$self->set_darkness_map;	1894	$self->set_darkness_map;
1570	Coro::cede;	1895	Coro::cede;
1571	$self->activate;	1896	$self->activate;
1572	}	1897	}
1573		1898
		1899	$self->{last_save} = $cf::RUNTIME;
		1900	$self->last_access ($cf::RUNTIME);
		1901
1574	$self->in_memory (cf::MAP_IN_MEMORY);	1902	$self->in_memory (cf::MAP_IN_MEMORY);
1575	}	1903	}
1576		1904
1577	$self->post_load;	1905	$self->post_load;
1578	}	1906	}
…		…
1580	sub customise_for {	1908	sub customise_for {
1581	my ($self, $ob) = @_;	1909	my ($self, $ob) = @_;
1582		1910
1583	return find "~" . $ob->name . "/" . $self->{path}	1911	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	1912	if $self->per_player;
		1913
		1914	# return find "?party/" . $ob->name . "/" . $self->{path}
		1915	# if $self->per_party;
1585		1916
1586	$self	1917	$self
1587	}	1918	}
1588		1919
1589	# find and load all maps in the 3x3 area around a map	1920	# find and load all maps in the 3x3 area around a map
…		…
1636		1967
1637	undef $MAP_PREFETCH{$path};	1968	undef $MAP_PREFETCH{$path};
1638	$MAP_PREFETCHER \|\|= cf::async {	1969	$MAP_PREFETCHER \|\|= cf::async {
1639	while (%MAP_PREFETCH) {	1970	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	1971	for my $path (keys %MAP_PREFETCH) {
1641	my $map = find $path	1972	if (my $map = find $path) {
1642	or next;
1643	$map->load;	1973	$map->load;
		1974	}
1644		1975
1645	delete $MAP_PREFETCH{$path};	1976	delete $MAP_PREFETCH{$path};
1646	}	1977	}
1647	}	1978	}
1648	undef $MAP_PREFETCHER;	1979	undef $MAP_PREFETCHER;
…		…
1700		2031
1701	sub reset_at {	2032	sub reset_at {
1702	my ($self) = @_;	2033	my ($self) = @_;
1703		2034
1704	# TODO: safety, remove and allow resettable per-player maps	2035	# TODO: safety, remove and allow resettable per-player maps
1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1706	return 1e99 if $self->{deny_reset};	2036	return 1e99 if $self->{deny_reset};
1707		2037
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2038	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;	2039	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;
1710		2040
…		…
1721	my ($self) = @_;	2051	my ($self) = @_;
1722		2052
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2053	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2054
1725	return if $self->players;	2055	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2056
1728	warn "resetting map ", $self->path;#d#	2057	warn "resetting map ", $self->path;
1729		2058
1730	$self->in_memory (cf::MAP_SWAPPED);	2059	$self->in_memory (cf::MAP_SWAPPED);
1731		2060
1732	# need to save uniques path	2061	# need to save uniques path
1733	unless ($self->{deny_save}) {	2062	unless ($self->{deny_save}) {
…		…
1765	$cf::MAP{$self->path} = $self;	2094	$cf::MAP{$self->path} = $self;
1766		2095
1767	$self->reset; # polite request, might not happen	2096	$self->reset; # polite request, might not happen
1768	}	2097	}
1769		2098
		2099	=item $maps = cf::map::tmp_maps
		2100
		2101	Returns an arrayref with all map paths of currently instantiated and saved
		2102	maps. May block.
		2103
		2104	=cut
		2105
		2106	sub tmp_maps() {
		2107	[
		2108	map {
		2109	utf8::decode $_;
		2110	/\.map$/
		2111	? normalise $_
		2112	: ()
		2113	} @{ aio_readdir $TMPDIR or [] }
		2114	]
		2115	}
		2116
		2117	=item $maps = cf::map::random_maps
		2118
		2119	Returns an arrayref with all map paths of currently instantiated and saved
		2120	random maps. May block.
		2121
		2122	=cut
		2123
		2124	sub random_maps() {
		2125	[
		2126	map {
		2127	utf8::decode $_;
		2128	/\.map$/
		2129	? normalise "?random/$_"
		2130	: ()
		2131	} @{ aio_readdir $RANDOMDIR or [] }
		2132	]
		2133	}
		2134
1770	=item cf::map::unique_maps	2135	=item cf::map::unique_maps
1771		2136
1772	Returns an arrayref of paths of all shared maps that have	2137	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2138	instantiated unique items. May block.
1774		2139
1775	=cut	2140	=cut
1776		2141
1777	sub unique_maps() {	2142	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2143	[
1779	or return;	2144	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2145	utf8::decode $_;
1785	next if /\.pst$/;	2146	/\.map$/
1786	next unless /^$PATH_SEP/o;	2147	? normalise $_
1787		2148	: ()
1788	push @paths, cf::map::normalise $_;	2149	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2150	]
1790
1791	\@paths
1792	}	2151	}
1793		2152
1794	package cf;	2153	package cf;
1795		2154
1796	=back	2155	=back
…		…
1842		2201
1843	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;	2202	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;
1844		2203
1845	if ($self->{record_replies}) {	2204	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2205	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2206
1847	} else {	2207	} else {
		2208	my $pl = $self->contr;
		2209
		2210	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2211	my $dialog = $pl->{npc_dialog};
		2212	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2213
		2214	} else {
1848	$msg = $npc->name . " says: $msg" if $npc;	2215	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2216	$self->message ($msg, $flags);
		2217	}
1850	}	2218	}
		2219	}
		2220
		2221	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2222
		2223	=cut
		2224
		2225	sub cf::object::send_msg {
		2226	my $pl = shift->contr
		2227	or return;
		2228	$pl->send_msg (@_);
1851	}	2229	}
1852		2230
1853	=item $player_object->may ("access")	2231	=item $player_object->may ("access")
1854		2232
1855	Returns wether the given player is authorized to access resource "access"	2233	Returns wether the given player is authorized to access resource "access"
…		…
1943		2321
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2322	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2323	$self->enter_map ($map, $x, $y);
1946	}	2324	}
1947		2325
1948	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2326	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949		2327
1950	Moves the player to the given map-path and coordinates by first freezing	2328	Moves the player to the given map-path and coordinates by first freezing
1951	her, loading and preparing them map, calling the provided $check callback	2329	her, loading and preparing them map, calling the provided $check callback
1952	that has to return the map if sucecssful, and then unfreezes the player on	2330	that has to return the map if sucecssful, and then unfreezes the player on
1953	the new (success) or old (failed) map position.	2331	the new (success) or old (failed) map position. In either case, $done will
		2332	be called at the end of this process.
1954		2333
1955	=cut	2334	=cut
1956		2335
1957	our $GOTOGEN;	2336	our $GOTOGEN;
1958		2337
1959	sub cf::object::player::goto {	2338	sub cf::object::player::goto {
1960	my ($self, $path, $x, $y, $check) = @_;	2339	my ($self, $path, $x, $y, $check, $done) = @_;
1961		2340
1962	# do generation counting so two concurrent goto's will be executed in-order	2341	# do generation counting so two concurrent goto's will be executed in-order
1963	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2342	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964		2343
1965	$self->enter_link;	2344	$self->enter_link;
…		…
1985		2364
1986	if ($gen == $self->{_goto_generation}) {	2365	if ($gen == $self->{_goto_generation}) {
1987	delete $self->{_goto_generation};	2366	delete $self->{_goto_generation};
1988	$self->leave_link ($map, $x, $y);	2367	$self->leave_link ($map, $x, $y);
1989	}	2368	}
		2369
		2370	$done->() if $done;
1990	})->prio (1);	2371	})->prio (1);
1991	}	2372	}
1992		2373
1993	=item $player_object->enter_exit ($exit_object)	2374	=item $player_object->enter_exit ($exit_object)
1994		2375
…		…
2063	my $hp = $exit->stats->hp;	2444	my $hp = $exit->stats->hp;
2064	my $sp = $exit->stats->sp;	2445	my $sp = $exit->stats->sp;
2065		2446
2066	$self->enter_link;	2447	$self->enter_link;
2067		2448
		2449	# if exit is damned, update players death & WoR home-position
		2450	$self->contr->savebed ($slaying, $hp, $sp)
		2451	if $exit->flag (FLAG_DAMNED);
		2452
2068	(async {	2453	(async {
2069	$self->deactivate_recursive; # just to be sure	2454	$self->deactivate_recursive; # just to be sure
2070	unless (eval {	2455	unless (eval {
2071	$self->goto ($slaying, $hp, $sp);	2456	$self->goto ($slaying, $hp, $sp);
2072		2457
…		…
2099		2484
2100	utf8::encode $text;	2485	utf8::encode $text;
2101	$self->send_packet (sprintf "drawinfo %d %s", $flags \|\| cf::NDI_BLACK, $text);	2486	$self->send_packet (sprintf "drawinfo %d %s", $flags \|\| cf::NDI_BLACK, $text);
2102	}	2487	}
2103		2488
		2489	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2490
		2491	Send a drawinfo or msg packet to the client, formatting the msg for the
		2492	client if neccessary. C<$type> should be a string identifying the type of
		2493	the message, with C<log> being the default. If C<$color> is negative, suppress
		2494	the message unless the client supports the msg packet.
		2495
		2496	=cut
		2497
		2498	sub cf::client::send_msg {
		2499	my ($self, $channel, $msg, $color, @extra) = @_;
		2500
		2501	$msg = $self->pl->expand_cfpod ($msg);
		2502
		2503	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2504
		2505	if (ref $channel) {
		2506	# send meta info to client, if not yet sent
		2507	unless (exists $self->{channel}{$channel->{id}}) {
		2508	$self->{channel}{$channel->{id}} = $channel;
		2509	$self->ext_msg (channel_info => $channel);
		2510	}
		2511
		2512	$channel = $channel->{id};
		2513	}
		2514
		2515	return unless @extra \|\| length $msg;
		2516
		2517	if ($self->can_msg) {
		2518	# default colour, mask it out
		2519	$color &= ~(cf::NDI_COLOR_MASK \| cf::NDI_DEF)
		2520	if $color & cf::NDI_DEF;
		2521
		2522	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2523	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2524	} else {
		2525	if ($color >= 0) {
		2526	# replace some tags by gcfclient-compatible ones
		2527	for ($msg) {
		2528	1 while
		2529	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2530	\|\| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2531	\|\| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2532	\|\| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2533	\|\| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2534	}
		2535
		2536	$color &= cf::NDI_COLOR_MASK;
		2537
		2538	utf8::encode $msg;
		2539
		2540	if (0 && $msg =~ /\[/) {
		2541	# COMMAND/INFO
		2542	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2543	} else {
		2544	$msg =~ s/\[\/?(?:b\|i\|u\|fixed\|color)[^\]]*\]//g;
		2545	$self->send_packet ("drawinfo $color $msg")
		2546	}
		2547	}
		2548	}
		2549	}
		2550
2104	=item $client->ext_event ($type, %msg)	2551	=item $client->ext_msg ($type, @msg)
2105		2552
2106	Sends an exti event to the client.	2553	Sends an ext event to the client.
2107		2554
2108	=cut	2555	=cut
2109		2556
2110	sub cf::client::ext_event($$%) {	2557	sub cf::client::ext_msg($$@) {
2111	my ($self, $type, %msg) = @_;	2558	my ($self, $type, @msg) = @_;
2112		2559
		2560	my $extcmd = $self->extcmd;
		2561
		2562	if ($extcmd == 2) {
		2563	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2564	} elsif ($extcmd == 1) { # TODO: remove
2113	$msg{msgtype} = "event_$type";	2565	push @msg, msgtype => "event_$type";
2114	$self->send_packet ("ext " . cf::to_json \%msg);	2566	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2567	}
2115	}	2568	}
2116		2569
2117	=item $success = $client->query ($flags, "text", \&cb)	2570	=item $success = $client->query ($flags, "text", \&cb)
2118		2571
2119	Queues a query to the client, calling the given callback with	2572	Queues a query to the client, calling the given callback with
2120	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2573	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2121	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2574	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2122		2575
2123	Queries can fail, so check the return code. Or don't, as queries will become	2576	Queries can fail, so check the return code. Or don't, as queries will
2124	reliable at some point in the future.	2577	become reliable at some point in the future.
2125		2578
2126	=cut	2579	=cut
2127		2580
2128	sub cf::client::query {	2581	sub cf::client::query {
2129	my ($self, $flags, $text, $cb) = @_;	2582	my ($self, $flags, $text, $cb) = @_;
…		…
2137	utf8::encode $text;	2590	utf8::encode $text;
2138	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2591	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139		2592
2140	$self->send_packet ($self->{query_queue}[0][0])	2593	$self->send_packet ($self->{query_queue}[0][0])
2141	if @{ $self->{query_queue} } == 1;	2594	if @{ $self->{query_queue} } == 1;
		2595
		2596	1
2142	}	2597	}
2143		2598
2144	cf::client->attach (	2599	cf::client->attach (
		2600	on_connect => sub {
		2601	my ($ns) = @_;
		2602
		2603	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2604	},
2145	on_reply => sub {	2605	on_reply => sub {
2146	my ($ns, $msg) = @_;	2606	my ($ns, $msg) = @_;
2147		2607
2148	# this weird shuffling is so that direct followup queries	2608	# this weird shuffling is so that direct followup queries
2149	# get handled first	2609	# get handled first
…		…
2161	} else {	2621	} else {
2162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2622	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163	}	2623	}
2164	}	2624	}
2165	},	2625	},
		2626	on_exticmd => sub {
		2627	my ($ns, $buf) = @_;
		2628
		2629	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2630
		2631	if (ref $msg) {
		2632	my ($type, $reply, @payload) =
		2633	"ARRAY" eq ref $msg
		2634	? @$msg
		2635	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2636
		2637	if (my $cb = $EXTICMD{$type}) {
		2638	my @reply = $cb->($ns, @payload);
		2639
		2640	$ns->ext_reply ($reply, @reply)
		2641	if $reply;
		2642	}
		2643	} else {
		2644	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2645	}
		2646
		2647	cf::override;
		2648	},
2166	);	2649	);
2167		2650
2168	=item $client->async (\&cb)	2651	=item $client->async (\&cb)
2169		2652
2170	Create a new coroutine, running the specified callback. The coroutine will	2653	Create a new coroutine, running the specified callback. The coroutine will
…		…
2211	our $safe = new Safe "safe";	2694	our $safe = new Safe "safe";
2212	our $safe_hole = new Safe::Hole;	2695	our $safe_hole = new Safe::Hole;
2213		2696
2214	$SIG{FPE} = 'IGNORE';	2697	$SIG{FPE} = 'IGNORE';
2215		2698
2216	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2699	$safe->permit_only (Opcode::opset qw(
		2700	:base_core :base_mem :base_orig :base_math
		2701	grepstart grepwhile mapstart mapwhile
		2702	sort time
		2703	));
2217		2704
2218	# here we export the classes and methods available to script code	2705	# here we export the classes and methods available to script code
2219		2706
2220	=pod	2707	=pod
2221		2708
2222	The following functions and methods are available within a safe environment:	2709	The following functions and methods are available within a safe environment:
2223		2710
2224	cf::object contr pay_amount pay_player map	2711	cf::object
		2712	contr pay_amount pay_player map x y force_find force_add
		2713	insert remove name archname title slaying race
		2714
2225	cf::object::player player	2715	cf::object::player
2226	cf::player peaceful	2716	player
2227	cf::map trigger	2717
		2718	cf::player
		2719	peaceful
		2720
		2721	cf::map
		2722	trigger
2228		2723
2229	=cut	2724	=cut
2230		2725
2231	for (	2726	for (
2232	["cf::object" => qw(contr pay_amount pay_player map)],	2727	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2728	insert remove inv name archname title slaying race)],
2233	["cf::object::player" => qw(player)],	2729	["cf::object::player" => qw(player)],
2234	["cf::player" => qw(peaceful)],	2730	["cf::player" => qw(peaceful)],
2235	["cf::map" => qw(trigger)],	2731	["cf::map" => qw(trigger)],
2236	) {	2732	) {
2237	no strict 'refs';	2733	no strict 'refs';
…		…
2308	=back	2804	=back
2309		2805
2310	=cut	2806	=cut
2311		2807
2312	#############################################################################	2808	#############################################################################
2313
2314	=head2 EXTENSION DATABASE SUPPORT
2315
2316	Crossfire maintains a very simple database for extension use. It can
2317	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2318	convert to/from binary).
2319
2320	The parameter C<$family> should best start with the name of the extension
2321	using it, it should be unique.
2322
2323	=over 4
2324
2325	=item $value = cf::db_get $family => $key
2326
2327	Returns a single value from the database.
2328
2329	=item cf::db_put $family => $key => $value
2330
2331	Stores the given C<$value> in the family.
2332
2333	=cut
2334
2335	our $DB;
2336
2337	sub db_init {
2338	unless ($DB) {
2339	$DB = BDB::db_create $DB_ENV;
2340
2341	cf::sync_job {
2342	eval {
2343	$DB->set_flags (BDB::CHKSUM);
2344
2345	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2346	BDB::CREATE \| BDB::AUTO_COMMIT, 0666;
2347	cf::cleanup "db_open(db): $!" if $!;
2348	};
2349	cf::cleanup "db_open(db): $@" if $@;
2350	};
2351	}
2352	}
2353
2354	sub db_get($$) {
2355	my $key = "$_[0]/$_[1]";
2356
2357	cf::sync_job {
2358	BDB::db_get $DB, undef, $key, my $data;
2359
2360	$! ? ()
2361	: $data
2362	}
2363	}
2364
2365	sub db_put($$$) {
2366	BDB::dbreq_pri 4;
2367	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2368	}
2369
2370	=item cf::cache $id => [$paths...], $processversion => $process
2371
2372	Generic caching function that returns the value of the resource $id,
2373	caching and regenerating as required.
2374
2375	This function can block.
2376
2377	=cut
2378
2379	sub cache {
2380	my ($id, $src, $processversion, $process) = @_;
2381
2382	my $meta =
2383	join "\x00",
2384	$processversion,
2385	map {
2386	aio_stat $_
2387	and Carp::croak "$_: $!";
2388
2389	($_, (stat _)[7,9])
2390	} @$src;
2391
2392	my $dbmeta = db_get cache => "$id/meta";
2393	if ($dbmeta ne $meta) {
2394	# changed, we may need to process
2395
2396	my @data;
2397	my $md5;
2398
2399	for (0 .. $#$src) {
2400	0 <= aio_load $src->[$_], $data[$_]
2401	or Carp::croak "$src->[$_]: $!";
2402	}
2403
2404	# if processing is expensive, check
2405	# checksum first
2406	if (1) {
2407	$md5 =
2408	join "\x00",
2409	$processversion,
2410	map {
2411	Coro::cede;
2412	($src->[$_], Digest::MD5::md5_hex $data[$_])
2413	} 0.. $#$src;
2414
2415
2416	my $dbmd5 = db_get cache => "$id/md5";
2417	if ($dbmd5 eq $md5) {
2418	db_put cache => "$id/meta", $meta;
2419
2420	return db_get cache => "$id/data";
2421	}
2422	}
2423
2424	my $t1 = Time::HiRes::time;
2425	my $data = $process->(\@data);
2426	my $t2 = Time::HiRes::time;
2427
2428	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2429
2430	db_put cache => "$id/data", $data;
2431	db_put cache => "$id/md5" , $md5;
2432	db_put cache => "$id/meta", $meta;
2433
2434	return $data;
2435	}
2436
2437	db_get cache => "$id/data"
2438	}
2439
2440	=item fork_call { }, $args
2441
2442	Executes the given code block with the given arguments in a seperate
2443	process, returning the results. Everything must be serialisable with
2444	Coro::Storable. May, of course, block. Note that the executed sub may
2445	never block itself or use any form of Event handling.
2446
2447	=cut
2448
2449	sub fork_call(&@) {
2450	my ($cb, @args) = @_;
2451
2452	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2453	# or die "socketpair: $!";
2454	pipe my $fh1, my $fh2
2455	or die "pipe: $!";
2456
2457	if (my $pid = fork) {
2458	close $fh2;
2459
2460	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2461	$res = Coro::Storable::thaw $res;
2462
2463	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2464
2465	die $$res unless "ARRAY" eq ref $res;
2466
2467	return wantarray ? @$res : $res->[-1];
2468	} else {
2469	reset_signals;
2470	local $SIG{__WARN__};
2471	local $SIG{__DIE__};
2472	eval {
2473	close $fh1;
2474
2475	my @res = eval { $cb->(@args) };
2476	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2477	};
2478
2479	warn $@ if $@;
2480	_exit 0;
2481	}
2482	}
2483
2484	#############################################################################
2485	# the server's init and main functions	2809	# the server's init and main functions
2486		2810
2487	sub load_facedata($) {	2811	sub load_facedata($) {
2488	my ($path) = @_;	2812	my ($path) = @_;
2489		2813
…		…
2501	{	2825	{
2502	my $faces = $facedata->{faceinfo};	2826	my $faces = $facedata->{faceinfo};
2503		2827
2504	while (my ($face, $info) = each %$faces) {	2828	while (my ($face, $info) = each %$faces) {
2505	my $idx = (cf::face::find $face) \|\| cf::face::alloc $face;	2829	my $idx = (cf::face::find $face) \|\| cf::face::alloc $face;
2506	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2830	cf::face::set_visibility $idx, $info->{visibility};
		2831	cf::face::set_magicmap $idx, $info->{magicmap};
2507	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2832	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2508	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2833	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2509	Coro::cede;	2834
		2835	cf::cede_to_tick;
2510	}	2836	}
2511		2837
2512	while (my ($face, $info) = each %$faces) {	2838	while (my ($face, $info) = each %$faces) {
2513	next unless $info->{smooth};	2839	next unless $info->{smooth};
2514	my $idx = cf::face::find $face	2840	my $idx = cf::face::find $face
2515	or next;	2841	or next;
2516	if (my $smooth = cf::face::find $info->{smooth}) {	2842	if (my $smooth = cf::face::find $info->{smooth}) {
		2843	cf::face::set_smooth $idx, $smooth;
2517	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2844	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2518	} else {	2845	} else {
2519	warn "smooth face '$info->{smooth}' not found for face '$face'";	2846	warn "smooth face '$info->{smooth}' not found for face '$face'";
2520	}	2847	}
2521	Coro::cede;	2848
		2849	cf::cede_to_tick;
2522	}	2850	}
2523	}	2851	}
2524		2852
2525	{	2853	{
2526	my $anims = $facedata->{animinfo};	2854	my $anims = $facedata->{animinfo};
2527		2855
2528	while (my ($anim, $info) = each %$anims) {	2856	while (my ($anim, $info) = each %$anims) {
2529	cf::anim::set $anim, $info->{frames}, $info->{facings};	2857	cf::anim::set $anim, $info->{frames}, $info->{facings};
2530	Coro::cede;	2858	cf::cede_to_tick;
2531	}	2859	}
2532		2860
2533	cf::anim::invalidate_all; # d'oh	2861	cf::anim::invalidate_all; # d'oh
2534	}	2862	}
2535		2863
		2864	{
		2865	# TODO: for gcfclient pleasure, we should give resources
		2866	# that gcfclient doesn't grok a >10000 face index.
		2867	my $res = $facedata->{resource};
		2868	my $enc = JSON::XS->new->utf8->canonical;
		2869
		2870	my $soundconf = delete $res->{"res/sound.conf"};
		2871
		2872	while (my ($name, $info) = each %$res) {
		2873	my $meta = $enc->encode ({
		2874	name => $name,
		2875	%{ $info->{meta} \|\| {} },
		2876	});
		2877
		2878	my $idx = (cf::face::find $name) \|\| cf::face::alloc $name;
		2879
		2880	if ($info->{type} & 1) {
		2881	# prepend meta info
		2882
		2883	my $data = pack "(w/a)", $meta, $info->{data};
		2884	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2885
		2886	cf::face::set_data $idx, 0, $data, $chk;
		2887	} else {
		2888	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
		2889	}
		2890
		2891	cf::face::set_type $idx, $info->{type};
		2892
		2893	cf::cede_to_tick;
		2894	}
		2895
		2896	if ($soundconf) {
		2897	$soundconf = $enc->decode (delete $soundconf->{data});
		2898
		2899	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2900	my $sound = $soundconf->{compat}[$_]
		2901	or next;
		2902
		2903	my $face = cf::face::find "sound/$sound->[1]";
		2904	cf::sound::set $sound->[0] => $face;
		2905	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2906	}
		2907
		2908	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2909	my $face = cf::face::find "sound/$v";
		2910	cf::sound::set $k => $face;
		2911	}
		2912	}
		2913	}
		2914
2536	1	2915	1
2537	}	2916	}
		2917
		2918	register_exticmd fx_want => sub {
		2919	my ($ns, $want) = @_;
		2920
		2921	while (my ($k, $v) = each %$want) {
		2922	$ns->fx_want ($k, $v);
		2923	}
		2924	};
2538		2925
2539	sub reload_regions {	2926	sub reload_regions {
2540	load_resource_file "$MAPDIR/regions"	2927	load_resource_file "$MAPDIR/regions"
2541	or die "unable to load regions file\n";	2928	or die "unable to load regions file\n";
		2929
		2930	for (cf::region::list) {
		2931	$_->{match} = qr/$_->{match}/
		2932	if exists $_->{match};
		2933	}
2542	}	2934	}
2543		2935
2544	sub reload_facedata {	2936	sub reload_facedata {
2545	load_facedata "$DATADIR/facedata"	2937	load_facedata "$DATADIR/facedata"
2546	or die "unable to load facedata\n";	2938	or die "unable to load facedata\n";
2547	}	2939	}
2548		2940
2549	sub reload_archetypes {	2941	sub reload_archetypes {
2550	load_resource_file "$DATADIR/archetypes"	2942	load_resource_file "$DATADIR/archetypes"
2551	or die "unable to load archetypes\n";	2943	or die "unable to load archetypes\n";
		2944	#d# NEED to laod twice to resolve forward references
		2945	# this really needs to be done in an extra post-pass
		2946	# (which needs to be synchronous, so solve it differently)
		2947	load_resource_file "$DATADIR/archetypes"
		2948	or die "unable to load archetypes\n";
2552	}	2949	}
2553		2950
2554	sub reload_treasures {	2951	sub reload_treasures {
2555	load_resource_file "$DATADIR/treasures"	2952	load_resource_file "$DATADIR/treasures"
2556	or die "unable to load treasurelists\n";	2953	or die "unable to load treasurelists\n";
…		…
2559	sub reload_resources {	2956	sub reload_resources {
2560	warn "reloading resource files...\n";	2957	warn "reloading resource files...\n";
2561		2958
2562	reload_regions;	2959	reload_regions;
2563	reload_facedata;	2960	reload_facedata;
		2961	#reload_archetypes;#d#
2564	reload_archetypes;	2962	reload_archetypes;
2565	reload_treasures;	2963	reload_treasures;
2566		2964
2567	warn "finished reloading resource files\n";	2965	warn "finished reloading resource files\n";
2568	}	2966	}
…		…
2625	},	3023	},
2626	);	3024	);
2627	}	3025	}
2628	}	3026	}
2629		3027
		3028	sub write_runtime {
		3029	my $runtime = "$LOCALDIR/runtime";
		3030
		3031	# first touch the runtime file to show we are still running:
		3032	# the fsync below can take a very very long time.
		3033
		3034	IO::AIO::aio_utime $runtime, undef, undef;
		3035
		3036	my $guard = cf::lock_acquire "write_runtime";
		3037
		3038	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644
		3039	or return;
		3040
		3041	my $value = $cf::RUNTIME + 90 + 10;
		3042	# 10 is the runtime save interval, for a monotonic clock
		3043	# 60 allows for the watchdog to kill the server.
		3044
		3045	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3046	and return;
		3047
		3048	# always fsync - this file is important
		3049	aio_fsync $fh
		3050	and return;
		3051
		3052	# touch it again to show we are up-to-date
		3053	aio_utime $fh, undef, undef;
		3054
		3055	close $fh
		3056	or return;
		3057
		3058	aio_rename "$runtime~", $runtime
		3059	and return;
		3060
		3061	warn "runtime file written.\n";
		3062
		3063	1
		3064	}
		3065
2630	sub emergency_save() {	3066	sub emergency_save() {
2631	my $freeze_guard = cf::freeze_mainloop;	3067	my $freeze_guard = cf::freeze_mainloop;
2632		3068
2633	warn "enter emergency perl save\n";	3069	warn "enter emergency perl save\n";
2634		3070
…		…
2709	%EXT_CORO = ();	3145	%EXT_CORO = ();
2710		3146
2711	warn "removing commands";	3147	warn "removing commands";
2712	%COMMAND = ();	3148	%COMMAND = ();
2713		3149
2714	warn "removing ext commands";	3150	warn "removing ext/exti commands";
2715	%EXTCMD = ();	3151	%EXTCMD = ();
		3152	%EXTICMD = ();
2716		3153
2717	warn "unloading/nuking all extensions";	3154	warn "unloading/nuking all extensions";
2718	for my $pkg (@EXTS) {	3155	for my $pkg (@EXTS) {
2719	warn "... unloading $pkg";	3156	warn "... unloading $pkg";
2720		3157

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.271 by root, Fri Jun 1 06:04:08 2007 UTC vs. Revision 1.332 by root, Sat Aug 18 17:33:53 2007 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.271 by root, Fri Jun 1 06:04:08 2007 UTC vs.
Revision 1.332 by root, Sat Aug 18 17:33:53 2007 UTC