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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.274 by root, Tue Jun 5 13:05:02 2007 UTC vs.
Revision 1.335 by root, Mon Aug 20 22:21:48 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 {
…		…
206	}	216	}
207		217
208	$Event::DIED = sub {	218	$Event::DIED = sub {
209	warn "error in event callback: @_";	219	warn "error in event callback: @_";
210	};	220	};
		221
		222	#############################################################################
211		223
212	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
213		225
214	=over 4	226	=over 4
215		227
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	247	$d
236	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
237	}	249	}
238		250
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
242		252
243	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
244		254
245	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
246		256
247	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
		258
		259	=cut
		260
		261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		262
		263	sub to_json ($) { $json_coder->encode ($_[0]) }
		264	sub from_json ($) { $json_coder->decode ($_[0]) }
248		265
249	=item cf::lock_wait $string	266	=item cf::lock_wait $string
250		267
251	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
252		269
…		…
306	};	323	};
307	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
308	$guard	325	$guard
309	}	326	}
310		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
311	=item cf::async { BLOCK }	384	=item cf::async { BLOCK }
312		385
313	Currently the same as Coro::async_pool, meaning you cannot use	386	Currently the same as Coro::async_pool, meaning you cannot use
314	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	387	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
315	thing you are allowed to do is call C<prio> on it.	388	thing you are allowed to do is call C<prio> on it.
…		…
318		391
319	BEGIN { *async = \&Coro::async_pool }	392	BEGIN { *async = \&Coro::async_pool }
320		393
321	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
322		395
323	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)
324	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
325	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.
326		400
327	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
328	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
329	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
330	fast or be very important.	404	fast or be very important.
…		…
390	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
391		465
392	$coro	466	$coro
393	}	467	}
394		468
395	sub write_runtime {	469	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		470
398	# first touch the runtime file to show we are still running:	471	Executes the given code block with the given arguments in a seperate
399	# 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.
400		475
401	IO::AIO::aio_utime $runtime, undef, undef;	476	=cut
402		477
403	my $guard = cf::lock_acquire "write_runtime";	478	sub fork_call(&@) {
		479	my ($cb, @args) = @_;
404		480
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	481	# we seemingly have to make a local copy of the whole thing,
406	or return;	482	# otherwise perl prematurely frees the stuff :/
		483	# TODO: investigate and fix (liekly this will be rather laborious)
407		484
408	my $value = $cf::RUNTIME + 90 + 10;	485	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	486	reset_signals;
410	# 60 allows for the watchdog to kill the server.	487	&$cb
		488	}, @args;
411		489
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	490	wantarray ? @res : $res[-1]
413	and return;	491	}
414		492
415	# always fsync - this file is important	493	=item $value = cf::db_get $family => $key
416	aio_fsync $fh
417	and return;
418		494
419	# touch it again to show we are up-to-date	495	Returns a single value from the environment database.
420	aio_utime $fh, undef, undef;
421		496
422	close $fh	497	=item cf::db_put $family => $key => $value
423	or return;
424		498
425	aio_rename "$runtime~", $runtime	499	Stores the given C<$value> in the family. It can currently store binary
426	and return;	500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
427		501
428	warn "runtime file written.\n";	502	=cut
429		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	};
430	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"
431	}	607	}
432		608
433	=item cf::datalog type => key => value, ...	609	=item cf::datalog type => key => value, ...
434		610
435	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.
…		…
453	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")
454	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
455		631
456	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>
457	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
458	crossfire+).	634	Crossfire TRT).
459		635
460	=over 4	636	=over 4
461		637
462	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
463		639
…		…
665	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
666	}	842	}
667		843
668	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
669	} else {	845	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	847	}
672		848
673	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
674	}	850	}
675		851
…		…
715	";	891	";
716	die if $@;	892	die if $@;
717	}	893	}
718		894
719	our $override;	895	our $override;
720	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?
721		897
722	sub override {	898	sub override {
723	$override = 1;	899	$override = 1;
724	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
725	}	901	}
726		902
727	sub do_invoke {	903	sub do_invoke {
728	my $event = shift;	904	my $event = shift;
729	my $callbacks = shift;	905	my $callbacks = shift;
730		906
731	@invoke_results = ();	907	@INVOKE_RESULTS = ();
732		908
733	local $override;	909	local $override;
734		910
735	for (@$callbacks) {	911	for (@$callbacks) {
736	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
753		929
754	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
755		931
756	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
757	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
758	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		935
760	=back	936	=back
761		937
762	=cut	938	=cut
763		939
764	#############################################################################	940	#############################################################################
765	# 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	}
766		953
767	sub reattach {	954	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	956	my ($obj) = @_;
770		957
…		…
877	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
878	$filename, length $data, scalar @{$av || []};	1065	$filename, length $data, scalar @{$av || []};
879	return ($data, $av);	1066	return ($data, $av);
880	}	1067	}
881		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
		1074
882	#############################################################################	1075	#############################################################################
883	# command handling &c	1076	# command handling &c
884		1077
885	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
886		1079
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1092	}
900		1093
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1095
903	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.
904		1101
905	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
906	called.	1103	called.
907		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
908	=cut	1116	=cut
909		1117
910	sub register_extcmd {	1118	sub register_extcmd {
911	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
912		1120
913	$EXTCMD{$name} = $cb;	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
914	}	1128	}
915		1129
916	cf::player->attach (	1130	cf::player->attach (
917	on_command => sub {	1131	on_command => sub {
918	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1141	cf::override;
928	},	1142	},
929	on_extcmd => sub {	1143	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
931		1145
932	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1147
934	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
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1154	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1155	my @reply = $cb->($pl, @payload);
		1156
937	$pl->ext_reply ($msg->{msgid}, %reply);	1157	$pl->ext_reply ($reply, @reply)
938	}	1158	if $reply;
939	}	1159	}
940	} else {	1160	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1162	}
943		1163
944	cf::override;	1164	cf::override;
945	},	1165	},
946	);	1166	);
947		1167
948	sub load_extension {
949	my ($path) = @_;
950
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
952	my $base = $1;
953	my $pkg = $1;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}
976	die $@;
977	}
978
979	push @EXTS, $pkg;
980	}
981
982	sub load_extensions {	1168	sub load_extensions {
		1169	cf::sync_job {
		1170	my %todo;
		1171
983	for my $ext (<$LIBDIR/*.ext>) {	1172	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1173	next unless -r $path;
985	eval {	1174
986	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;
987	1	1232	}
988	} or warn "$ext not loaded: $@";	1233
		1234	skip:
		1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1236	unless $progress;
		1237	}
989	}	1238	};
990	}	1239	}
991		1240
992	#############################################################################	1241	#############################################################################
		1242
		1243	=back
993		1244
994	=head2 CORE EXTENSIONS	1245	=head2 CORE EXTENSIONS
995		1246
996	Functions and methods that extend core crossfire objects.	1247	Functions and methods that extend core crossfire objects.
997		1248
…		…
1084	$cf::PLAYER{$login} = $self;	1335	$cf::PLAYER{$login} = $self;
1085		1336
1086	$self	1337	$self
1087	}	1338	}
1088		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
1089	=item $pl->quit_character	1350	=item $pl->quit_character
1090		1351
1091	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
1092	be destroyed. May block for a long time.	1353	be destroyed. May block for a long time.
1093		1354
…		…
1185	}	1446	}
1186		1447
1187	\@paths	1448	\@paths
1188	}	1449	}
1189		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/&/&amp;/g;
		1462	s/(?<![BIUGH])</&lt;/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
1190	=item $player->ext_reply ($msgid, %msg)	1501	=item $player->ext_reply ($msgid, @msg)
1191		1502
1192	Sends an ext reply to the player.	1503	Sends an ext reply to the player.
1193		1504
1194	=cut	1505	=cut
1195		1506
1196	sub ext_reply($$%) {	1507	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1508	my ($self, $id, @msg) = @_;
1198		1509
1199	$msg{msgid} = $id;	1510	if ($self->ns->extcmd == 2) {
1200		1511	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1201	$self->send ("ext " . cf::to_json \%msg);	1512	} elsif ($self->ns->extcmd == 1) {
		1513	#TODO: version 1, remove
		1514	unshift @msg, msgtype => "reply", msgid => $id;
		1515	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1516	}
1202	}	1517	}
1203		1518
1204	=item $player->ext_event ($type, %msg)	1519	=item $player->ext_msg ($type, @msg)
1205		1520
1206	Sends an ext event to the client.	1521	Sends an ext event to the client.
1207		1522
1208	=cut	1523	=cut
1209		1524
1210	sub ext_event($$%) {	1525	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1526	my ($self, $type, @msg) = @_;
1212		1527
1213	$self->ns->ext_event ($type, %msg);	1528	$self->ns->ext_msg ($type, @msg);
1214	}	1529	}
1215		1530
1216	=head3 cf::region	1531	=head3 cf::region
1217		1532
1218	=over 4	1533	=over 4
…		…
1221		1536
1222	package cf::region;	1537	package cf::region;
1223		1538
1224	=item cf::region::find_by_path $path	1539	=item cf::region::find_by_path $path
1225		1540
1226	Tries to decuce the probable region for a map knowing only its path.	1541	Tries to decuce the likely region for a map knowing only its path.
1227		1542
1228	=cut	1543	=cut
1229		1544
1230	sub find_by_path($) {	1545	sub find_by_path($) {
1231	my ($path) = @_;	1546	my ($path) = @_;
1232		1547
1233	my ($match, $specificity);	1548	my ($match, $specificity);
1234		1549
1235	for my $region (list) {	1550	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1551	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1552	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1553	if $region->specificity > $specificity;
1239	}	1554	}
1240	}	1555	}
1241		1556
…		…
1305	my ($self, $merge) = @_;	1620	my ($self, $merge) = @_;
1306		1621
1307	# we have to keep some variables in memory intact	1622	# we have to keep some variables in memory intact
1308	local $self->{path};	1623	local $self->{path};
1309	local $self->{load_path};	1624	local $self->{load_path};
1310	local $self->{deny_save};
1311	local $self->{deny_reset};
1312		1625
1313	$self->SUPER::thawer_merge ($merge);	1626	$self->SUPER::thawer_merge ($merge);
1314	}	1627	}
1315		1628
1316	sub normalise {	1629	sub normalise {
…		…
1363	$self->init; # pass $1 etc.	1676	$self->init; # pass $1 etc.
1364	return $self;	1677	return $self;
1365	}	1678	}
1366	}	1679	}
1367		1680
1368	Carp::carp "unable to resolve path '$path' (base '$base').";	1681	Carp::cluck "unable to resolve path '$path' (base '$base').";
1369	()	1682	()
1370	}	1683	}
1371		1684
1372	sub init {	1685	sub init {
1373	my ($self) = @_;	1686	my ($self) = @_;
…		…
1414	sub change_all_map_light {	1727	sub change_all_map_light {
1415	my ($change) = @_;	1728	my ($change) = @_;
1416		1729
1417	$_->change_map_light ($change)	1730	$_->change_map_light ($change)
1418	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	$self->do_decay_objects;
1419	}	1740	}
1420		1741
1421	sub unlink_save {	1742	sub unlink_save {
1422	my ($self) = @_;	1743	my ($self) = @_;
1423		1744
…		…
1481	$self->load_header_orig	1802	$self->load_header_orig
1482	or return;	1803	or return;
1483	$self->prepare_orig;	1804	$self->prepare_orig;
1484	}	1805	}
1485		1806
		1807	$self->{deny_reset} = 1
		1808	if $self->no_reset;
		1809
1486	$self->default_region (cf::region::find_by_path $self->{path})	1810	$self->default_region (cf::region::find_by_path $self->{path})
1487	unless $self->default_region;	1811	unless $self->default_region;
1488		1812
1489	1	1813	1
1490	}	1814	}
…		…
1505	$map->{last_save} = $cf::RUNTIME;	1829	$map->{last_save} = $cf::RUNTIME;
1506		1830
1507	$map->load_header	1831	$map->load_header
1508	or return;	1832	or return;
1509		1833
1510	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1511	# doing this can freeze the server in a sync job, obviously	1835	# doing this can freeze the server in a sync job, obviously
1512	#$cf::WAIT_FOR_TICK->wait;	1836	#$cf::WAIT_FOR_TICK->wait;
1513	$map->reset;	1837	$map->reset;
1514	undef $guard;	1838	undef $guard;
1515	return find $path;	1839	return find $path;
…		…
1570	$self->set_darkness_map;	1894	$self->set_darkness_map;
1571	Coro::cede;	1895	Coro::cede;
1572	$self->activate;	1896	$self->activate;
1573	}	1897	}
1574		1898
		1899	$self->{last_save} = $cf::RUNTIME;
		1900	$self->last_access ($cf::RUNTIME);
		1901
1575	$self->in_memory (cf::MAP_IN_MEMORY);	1902	$self->in_memory (cf::MAP_IN_MEMORY);
1576	}	1903	}
1577		1904
1578	$self->post_load;	1905	$self->post_load;
1579	}	1906	}
…		…
1582	my ($self, $ob) = @_;	1909	my ($self, $ob) = @_;
1583		1910
1584	return find "~" . $ob->name . "/" . $self->{path}	1911	return find "~" . $ob->name . "/" . $self->{path}
1585	if $self->per_player;	1912	if $self->per_player;
1586		1913
		1914	# return find "?party/" . $ob->name . "/" . $self->{path}
		1915	# if $self->per_party;
		1916
1587	$self	1917	$self
1588	}	1918	}
1589		1919
1590	# find and load all maps in the 3x3 area around a map	1920	# find and load all maps in the 3x3 area around a map
1591	sub load_diag {	1921	sub load_neighbours {
1592	my ($map) = @_;	1922	my ($map) = @_;
1593		1923
1594	my @diag; # diagonal neighbours	1924	my @neigh; # diagonal neighbours
1595		1925
1596	for (0 .. 3) {	1926	for (0 .. 3) {
1597	my $neigh = $map->tile_path ($_)	1927	my $neigh = $map->tile_path ($_)
1598	or next;	1928	or next;
1599	$neigh = find $neigh, $map	1929	$neigh = find $neigh, $map
1600	or next;	1930	or next;
1601	$neigh->load;	1931	$neigh->load;
1602		1932
		1933	push @neigh,
1603	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1934	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1604	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1935	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1605	}	1936	}
1606		1937
1607	for (@diag) {	1938	for (grep defined $_->[0], @neigh) {
		1939	my ($path, $origin) = @$_;
1608	my $neigh = find @$_	1940	my $neigh = find $path, $origin
1609	or next;	1941	or next;
1610	$neigh->load;	1942	$neigh->load;
1611	}	1943	}
1612	}	1944	}
1613		1945
…		…
1637		1969
1638	undef $MAP_PREFETCH{$path};	1970	undef $MAP_PREFETCH{$path};
1639	$MAP_PREFETCHER ||= cf::async {	1971	$MAP_PREFETCHER ||= cf::async {
1640	while (%MAP_PREFETCH) {	1972	while (%MAP_PREFETCH) {
1641	for my $path (keys %MAP_PREFETCH) {	1973	for my $path (keys %MAP_PREFETCH) {
1642	my $map = find $path	1974	if (my $map = find $path) {
1643	or next;
1644	$map->load;	1975	$map->load;
		1976	}
1645		1977
1646	delete $MAP_PREFETCH{$path};	1978	delete $MAP_PREFETCH{$path};
1647	}	1979	}
1648	}	1980	}
1649	undef $MAP_PREFETCHER;	1981	undef $MAP_PREFETCHER;
…		…
1701		2033
1702	sub reset_at {	2034	sub reset_at {
1703	my ($self) = @_;	2035	my ($self) = @_;
1704		2036
1705	# TODO: safety, remove and allow resettable per-player maps	2037	# TODO: safety, remove and allow resettable per-player maps
1706	return 1e99 if $self->isa ("ext::map_per_player");#d#
1707	return 1e99 if $self->{deny_reset};	2038	return 1e99 if $self->{deny_reset};
1708		2039
1709	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2040	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1710	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2041	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1711		2042
…		…
1722	my ($self) = @_;	2053	my ($self) = @_;
1723		2054
1724	my $lock = cf::lock_acquire "map_data:$self->{path}";	2055	my $lock = cf::lock_acquire "map_data:$self->{path}";
1725		2056
1726	return if $self->players;	2057	return if $self->players;
1727	return if $self->isa ("ext::map_per_player");#d#
1728		2058
1729	warn "resetting map ", $self->path;	2059	warn "resetting map ", $self->path;
1730		2060
1731	$self->in_memory (cf::MAP_SWAPPED);	2061	$self->in_memory (cf::MAP_SWAPPED);
1732		2062
…		…
1766	$cf::MAP{$self->path} = $self;	2096	$cf::MAP{$self->path} = $self;
1767		2097
1768	$self->reset; # polite request, might not happen	2098	$self->reset; # polite request, might not happen
1769	}	2099	}
1770		2100
		2101	=item $maps = cf::map::tmp_maps
		2102
		2103	Returns an arrayref with all map paths of currently instantiated and saved
		2104	maps. May block.
		2105
		2106	=cut
		2107
		2108	sub tmp_maps() {
		2109	[
		2110	map {
		2111	utf8::decode $_;
		2112	/\.map$/
		2113	? normalise $_
		2114	: ()
		2115	} @{ aio_readdir $TMPDIR or [] }
		2116	]
		2117	}
		2118
		2119	=item $maps = cf::map::random_maps
		2120
		2121	Returns an arrayref with all map paths of currently instantiated and saved
		2122	random maps. May block.
		2123
		2124	=cut
		2125
		2126	sub random_maps() {
		2127	[
		2128	map {
		2129	utf8::decode $_;
		2130	/\.map$/
		2131	? normalise "?random/$_"
		2132	: ()
		2133	} @{ aio_readdir $RANDOMDIR or [] }
		2134	]
		2135	}
		2136
1771	=item cf::map::unique_maps	2137	=item cf::map::unique_maps
1772		2138
1773	Returns an arrayref of paths of all shared maps that have	2139	Returns an arrayref of paths of all shared maps that have
1774	instantiated unique items. May block.	2140	instantiated unique items. May block.
1775		2141
1776	=cut	2142	=cut
1777		2143
1778	sub unique_maps() {	2144	sub unique_maps() {
1779	my $files = aio_readdir $UNIQUEDIR	2145	[
1780	or return;	2146	map {
1781
1782	my @paths;
1783
1784	for (@$files) {
1785	utf8::decode $_;	2147	utf8::decode $_;
1786	next if /\.pst$/;	2148	/\.map$/
1787	next unless /^$PATH_SEP/o;	2149	? normalise $_
1788		2150	: ()
1789	push @paths, cf::map::normalise $_;	2151	} @{ aio_readdir $UNIQUEDIR or [] }
1790	}	2152	]
1791
1792	\@paths
1793	}	2153	}
1794		2154
1795	package cf;	2155	package cf;
1796		2156
1797	=back	2157	=back
…		…
1843		2203
1844	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2204	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1845		2205
1846	if ($self->{record_replies}) {	2206	if ($self->{record_replies}) {
1847	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2207	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2208
1848	} else {	2209	} else {
		2210	my $pl = $self->contr;
		2211
		2212	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2213	my $dialog = $pl->{npc_dialog};
		2214	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2215
		2216	} else {
1849	$msg = $npc->name . " says: $msg" if $npc;	2217	$msg = $npc->name . " says: $msg" if $npc;
1850	$self->message ($msg, $flags);	2218	$self->message ($msg, $flags);
		2219	}
1851	}	2220	}
		2221	}
		2222
		2223	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2224
		2225	=cut
		2226
		2227	sub cf::object::send_msg {
		2228	my $pl = shift->contr
		2229	or return;
		2230	$pl->send_msg (@_);
1852	}	2231	}
1853		2232
1854	=item $player_object->may ("access")	2233	=item $player_object->may ("access")
1855		2234
1856	Returns wether the given player is authorized to access resource "access"	2235	Returns wether the given player is authorized to access resource "access"
…		…
1935	# use -1 or undef as default coordinates, not 0, 0	2314	# use -1 or undef as default coordinates, not 0, 0
1936	($x, $y) = ($map->enter_x, $map->enter_y)	2315	($x, $y) = ($map->enter_x, $map->enter_y)
1937	if $x <=0 && $y <= 0;	2316	if $x <=0 && $y <= 0;
1938		2317
1939	$map->load;	2318	$map->load;
1940	$map->load_diag;	2319	$map->load_neighbours;
1941		2320
1942	return unless $self->contr->active;	2321	return unless $self->contr->active;
1943	$self->activate_recursive;	2322	$self->activate_recursive;
1944		2323
1945	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2324	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1946	$self->enter_map ($map, $x, $y);	2325	$self->enter_map ($map, $x, $y);
1947	}	2326	}
1948		2327
1949	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2328	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1950		2329
1951	Moves the player to the given map-path and coordinates by first freezing	2330	Moves the player to the given map-path and coordinates by first freezing
1952	her, loading and preparing them map, calling the provided $check callback	2331	her, loading and preparing them map, calling the provided $check callback
1953	that has to return the map if sucecssful, and then unfreezes the player on	2332	that has to return the map if sucecssful, and then unfreezes the player on
1954	the new (success) or old (failed) map position.	2333	the new (success) or old (failed) map position. In either case, $done will
		2334	be called at the end of this process.
1955		2335
1956	=cut	2336	=cut
1957		2337
1958	our $GOTOGEN;	2338	our $GOTOGEN;
1959		2339
1960	sub cf::object::player::goto {	2340	sub cf::object::player::goto {
1961	my ($self, $path, $x, $y, $check) = @_;	2341	my ($self, $path, $x, $y, $check, $done) = @_;
1962		2342
1963	# do generation counting so two concurrent goto's will be executed in-order	2343	# do generation counting so two concurrent goto's will be executed in-order
1964	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2344	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1965		2345
1966	$self->enter_link;	2346	$self->enter_link;
…		…
1986		2366
1987	if ($gen == $self->{_goto_generation}) {	2367	if ($gen == $self->{_goto_generation}) {
1988	delete $self->{_goto_generation};	2368	delete $self->{_goto_generation};
1989	$self->leave_link ($map, $x, $y);	2369	$self->leave_link ($map, $x, $y);
1990	}	2370	}
		2371
		2372	$done->() if $done;
1991	})->prio (1);	2373	})->prio (1);
1992	}	2374	}
1993		2375
1994	=item $player_object->enter_exit ($exit_object)	2376	=item $player_object->enter_exit ($exit_object)
1995		2377
…		…
2064	my $hp = $exit->stats->hp;	2446	my $hp = $exit->stats->hp;
2065	my $sp = $exit->stats->sp;	2447	my $sp = $exit->stats->sp;
2066		2448
2067	$self->enter_link;	2449	$self->enter_link;
2068		2450
		2451	# if exit is damned, update players death & WoR home-position
		2452	$self->contr->savebed ($slaying, $hp, $sp)
		2453	if $exit->flag (FLAG_DAMNED);
		2454
2069	(async {	2455	(async {
2070	$self->deactivate_recursive; # just to be sure	2456	$self->deactivate_recursive; # just to be sure
2071	unless (eval {	2457	unless (eval {
2072	$self->goto ($slaying, $hp, $sp);	2458	$self->goto ($slaying, $hp, $sp);
2073		2459
…		…
2100		2486
2101	utf8::encode $text;	2487	utf8::encode $text;
2102	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2488	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2103	}	2489	}
2104		2490
		2491	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2492
		2493	Send a drawinfo or msg packet to the client, formatting the msg for the
		2494	client if neccessary. C<$type> should be a string identifying the type of
		2495	the message, with C<log> being the default. If C<$color> is negative, suppress
		2496	the message unless the client supports the msg packet.
		2497
		2498	=cut
		2499
		2500	sub cf::client::send_msg {
		2501	my ($self, $channel, $msg, $color, @extra) = @_;
		2502
		2503	$msg = $self->pl->expand_cfpod ($msg);
		2504
		2505	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2506
		2507	if (ref $channel) {
		2508	# send meta info to client, if not yet sent
		2509	unless (exists $self->{channel}{$channel->{id}}) {
		2510	$self->{channel}{$channel->{id}} = $channel;
		2511	$self->ext_msg (channel_info => $channel);
		2512	}
		2513
		2514	$channel = $channel->{id};
		2515	}
		2516
		2517	return unless @extra || length $msg;
		2518
		2519	if ($self->can_msg) {
		2520	# default colour, mask it out
		2521	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2522	if $color & cf::NDI_DEF;
		2523
		2524	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2525	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2526	} else {
		2527	if ($color >= 0) {
		2528	# replace some tags by gcfclient-compatible ones
		2529	for ($msg) {
		2530	1 while
		2531	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2532	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2533	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2534	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2535	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2536	}
		2537
		2538	$color &= cf::NDI_COLOR_MASK;
		2539
		2540	utf8::encode $msg;
		2541
		2542	if (0 && $msg =~ /\[/) {
		2543	# COMMAND/INFO
		2544	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2545	} else {
		2546	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2547	$self->send_packet ("drawinfo $color $msg")
		2548	}
		2549	}
		2550	}
		2551	}
		2552
2105	=item $client->ext_event ($type, %msg)	2553	=item $client->ext_msg ($type, @msg)
2106		2554
2107	Sends an exti event to the client.	2555	Sends an ext event to the client.
2108		2556
2109	=cut	2557	=cut
2110		2558
2111	sub cf::client::ext_event($$%) {	2559	sub cf::client::ext_msg($$@) {
2112	my ($self, $type, %msg) = @_;	2560	my ($self, $type, @msg) = @_;
2113		2561
		2562	my $extcmd = $self->extcmd;
		2563
		2564	if ($extcmd == 2) {
		2565	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2566	} elsif ($extcmd == 1) { # TODO: remove
2114	$msg{msgtype} = "event_$type";	2567	push @msg, msgtype => "event_$type";
2115	$self->send_packet ("ext " . cf::to_json \%msg);	2568	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2569	}
2116	}	2570	}
2117		2571
2118	=item $success = $client->query ($flags, "text", \&cb)	2572	=item $success = $client->query ($flags, "text", \&cb)
2119		2573
2120	Queues a query to the client, calling the given callback with	2574	Queues a query to the client, calling the given callback with
2121	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2575	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2122	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2576	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2123		2577
2124	Queries can fail, so check the return code. Or don't, as queries will become	2578	Queries can fail, so check the return code. Or don't, as queries will
2125	reliable at some point in the future.	2579	become reliable at some point in the future.
2126		2580
2127	=cut	2581	=cut
2128		2582
2129	sub cf::client::query {	2583	sub cf::client::query {
2130	my ($self, $flags, $text, $cb) = @_;	2584	my ($self, $flags, $text, $cb) = @_;
…		…
2138	utf8::encode $text;	2592	utf8::encode $text;
2139	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2593	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2140		2594
2141	$self->send_packet ($self->{query_queue}[0][0])	2595	$self->send_packet ($self->{query_queue}[0][0])
2142	if @{ $self->{query_queue} } == 1;	2596	if @{ $self->{query_queue} } == 1;
		2597
		2598	1
2143	}	2599	}
2144		2600
2145	cf::client->attach (	2601	cf::client->attach (
		2602	on_connect => sub {
		2603	my ($ns) = @_;
		2604
		2605	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2606	},
2146	on_reply => sub {	2607	on_reply => sub {
2147	my ($ns, $msg) = @_;	2608	my ($ns, $msg) = @_;
2148		2609
2149	# this weird shuffling is so that direct followup queries	2610	# this weird shuffling is so that direct followup queries
2150	# get handled first	2611	# get handled first
…		…
2162	} else {	2623	} else {
2163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2624	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2164	}	2625	}
2165	}	2626	}
2166	},	2627	},
		2628	on_exticmd => sub {
		2629	my ($ns, $buf) = @_;
		2630
		2631	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2632
		2633	if (ref $msg) {
		2634	my ($type, $reply, @payload) =
		2635	"ARRAY" eq ref $msg
		2636	? @$msg
		2637	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2638
		2639	if (my $cb = $EXTICMD{$type}) {
		2640	my @reply = $cb->($ns, @payload);
		2641
		2642	$ns->ext_reply ($reply, @reply)
		2643	if $reply;
		2644	}
		2645	} else {
		2646	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2647	}
		2648
		2649	cf::override;
		2650	},
2167	);	2651	);
2168		2652
2169	=item $client->async (\&cb)	2653	=item $client->async (\&cb)
2170		2654
2171	Create a new coroutine, running the specified callback. The coroutine will	2655	Create a new coroutine, running the specified callback. The coroutine will
…		…
2212	our $safe = new Safe "safe";	2696	our $safe = new Safe "safe";
2213	our $safe_hole = new Safe::Hole;	2697	our $safe_hole = new Safe::Hole;
2214		2698
2215	$SIG{FPE} = 'IGNORE';	2699	$SIG{FPE} = 'IGNORE';
2216		2700
2217	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2701	$safe->permit_only (Opcode::opset qw(
		2702	:base_core :base_mem :base_orig :base_math
		2703	grepstart grepwhile mapstart mapwhile
		2704	sort time
		2705	));
2218		2706
2219	# here we export the classes and methods available to script code	2707	# here we export the classes and methods available to script code
2220		2708
2221	=pod	2709	=pod
2222		2710
2223	The following functions and methods are available within a safe environment:	2711	The following functions and methods are available within a safe environment:
2224		2712
2225	cf::object contr pay_amount pay_player map	2713	cf::object
		2714	contr pay_amount pay_player map x y force_find force_add
		2715	insert remove name archname title slaying race
		2716
2226	cf::object::player player	2717	cf::object::player
2227	cf::player peaceful	2718	player
2228	cf::map trigger	2719
		2720	cf::player
		2721	peaceful
		2722
		2723	cf::map
		2724	trigger
2229		2725
2230	=cut	2726	=cut
2231		2727
2232	for (	2728	for (
2233	["cf::object" => qw(contr pay_amount pay_player map)],	2729	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2730	insert remove inv name archname title slaying race)],
2234	["cf::object::player" => qw(player)],	2731	["cf::object::player" => qw(player)],
2235	["cf::player" => qw(peaceful)],	2732	["cf::player" => qw(peaceful)],
2236	["cf::map" => qw(trigger)],	2733	["cf::map" => qw(trigger)],
2237	) {	2734	) {
2238	no strict 'refs';	2735	no strict 'refs';
…		…
2309	=back	2806	=back
2310		2807
2311	=cut	2808	=cut
2312		2809
2313	#############################################################################	2810	#############################################################################
2314
2315	=head2 EXTENSION DATABASE SUPPORT
2316
2317	Crossfire maintains a very simple database for extension use. It can
2318	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2319	convert to/from binary).
2320
2321	The parameter C<$family> should best start with the name of the extension
2322	using it, it should be unique.
2323
2324	=over 4
2325
2326	=item $value = cf::db_get $family => $key
2327
2328	Returns a single value from the database.
2329
2330	=item cf::db_put $family => $key => $value
2331
2332	Stores the given C<$value> in the family.
2333
2334	=cut
2335
2336	our $DB;
2337
2338	sub db_init {
2339	unless ($DB) {
2340	$DB = BDB::db_create $DB_ENV;
2341
2342	cf::sync_job {
2343	eval {
2344	$DB->set_flags (BDB::CHKSUM);
2345
2346	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2347	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2348	cf::cleanup "db_open(db): $!" if $!;
2349	};
2350	cf::cleanup "db_open(db): $@" if $@;
2351	};
2352	}
2353	}
2354
2355	sub db_get($$) {
2356	my $key = "$_[0]/$_[1]";
2357
2358	cf::sync_job {
2359	BDB::db_get $DB, undef, $key, my $data;
2360
2361	$! ? ()
2362	: $data
2363	}
2364	}
2365
2366	sub db_put($$$) {
2367	BDB::dbreq_pri 4;
2368	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2369	}
2370
2371	=item cf::cache $id => [$paths...], $processversion => $process
2372
2373	Generic caching function that returns the value of the resource $id,
2374	caching and regenerating as required.
2375
2376	This function can block.
2377
2378	=cut
2379
2380	sub cache {
2381	my ($id, $src, $processversion, $process) = @_;
2382
2383	my $meta =
2384	join "\x00",
2385	$processversion,
2386	map {
2387	aio_stat $_
2388	and Carp::croak "$_: $!";
2389
2390	($_, (stat _)[7,9])
2391	} @$src;
2392
2393	my $dbmeta = db_get cache => "$id/meta";
2394	if ($dbmeta ne $meta) {
2395	# changed, we may need to process
2396
2397	my @data;
2398	my $md5;
2399
2400	for (0 .. $#$src) {
2401	0 <= aio_load $src->[$_], $data[$_]
2402	or Carp::croak "$src->[$_]: $!";
2403	}
2404
2405	# if processing is expensive, check
2406	# checksum first
2407	if (1) {
2408	$md5 =
2409	join "\x00",
2410	$processversion,
2411	map {
2412	Coro::cede;
2413	($src->[$_], Digest::MD5::md5_hex $data[$_])
2414	} 0.. $#$src;
2415
2416
2417	my $dbmd5 = db_get cache => "$id/md5";
2418	if ($dbmd5 eq $md5) {
2419	db_put cache => "$id/meta", $meta;
2420
2421	return db_get cache => "$id/data";
2422	}
2423	}
2424
2425	my $t1 = Time::HiRes::time;
2426	my $data = $process->(\@data);
2427	my $t2 = Time::HiRes::time;
2428
2429	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2430
2431	db_put cache => "$id/data", $data;
2432	db_put cache => "$id/md5" , $md5;
2433	db_put cache => "$id/meta", $meta;
2434
2435	return $data;
2436	}
2437
2438	db_get cache => "$id/data"
2439	}
2440
2441	=item fork_call { }, $args
2442
2443	Executes the given code block with the given arguments in a seperate
2444	process, returning the results. Everything must be serialisable with
2445	Coro::Storable. May, of course, block. Note that the executed sub may
2446	never block itself or use any form of Event handling.
2447
2448	=cut
2449
2450	sub fork_call(&@) {
2451	my ($cb, @args) = @_;
2452
2453	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2454	# or die "socketpair: $!";
2455	pipe my $fh1, my $fh2
2456	or die "pipe: $!";
2457
2458	if (my $pid = fork) {
2459	close $fh2;
2460
2461	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2462	$res = Coro::Storable::thaw $res;
2463
2464	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2465
2466	die $$res unless "ARRAY" eq ref $res;
2467
2468	return wantarray ? @$res : $res->[-1];
2469	} else {
2470	reset_signals;
2471	local $SIG{__WARN__};
2472	local $SIG{__DIE__};
2473	eval {
2474	close $fh1;
2475
2476	my @res = eval { $cb->(@args) };
2477	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2478	};
2479
2480	warn $@ if $@;
2481	_exit 0;
2482	}
2483	}
2484
2485	#############################################################################
2486	# the server's init and main functions	2811	# the server's init and main functions
2487		2812
2488	sub load_facedata($) {	2813	sub load_facedata($) {
2489	my ($path) = @_;	2814	my ($path) = @_;
		2815
		2816	my $enc = JSON::XS->new->utf8->canonical;
2490		2817
2491	warn "loading facedata from $path\n";	2818	warn "loading facedata from $path\n";
2492		2819
2493	my $facedata;	2820	my $facedata;
2494	0 < aio_load $path, $facedata	2821	0 < aio_load $path, $facedata
…		…
2497	$facedata = Coro::Storable::thaw $facedata;	2824	$facedata = Coro::Storable::thaw $facedata;
2498		2825
2499	$facedata->{version} == 2	2826	$facedata->{version} == 2
2500	or cf::cleanup "$path: version mismatch, cannot proceed.";	2827	or cf::cleanup "$path: version mismatch, cannot proceed.";
2501		2828
		2829	# patch in the exptable
		2830	$facedata->{resource}{"res/exp_table"} = {
		2831	type => FT_RSRC,
		2832	data => $enc->encode ([map cf::level_to_min_exp $_, 0 .. cf::settings->max_level]),
		2833	};
		2834	cf::cede_to_tick;
		2835
2502	{	2836	{
2503	my $faces = $facedata->{faceinfo};	2837	my $faces = $facedata->{faceinfo};
2504		2838
2505	while (my ($face, $info) = each %$faces) {	2839	while (my ($face, $info) = each %$faces) {
2506	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2840	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2841	cf::face::set_visibility $idx, $info->{visibility};
		2842	cf::face::set_magicmap $idx, $info->{magicmap};
2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2843	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2844	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2510	Coro::cede;	2845
		2846	cf::cede_to_tick;
2511	}	2847	}
2512		2848
2513	while (my ($face, $info) = each %$faces) {	2849	while (my ($face, $info) = each %$faces) {
2514	next unless $info->{smooth};	2850	next unless $info->{smooth};
2515	my $idx = cf::face::find $face	2851	my $idx = cf::face::find $face
2516	or next;	2852	or next;
2517	if (my $smooth = cf::face::find $info->{smooth}) {	2853	if (my $smooth = cf::face::find $info->{smooth}) {
		2854	cf::face::set_smooth $idx, $smooth;
2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2855	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519	} else {	2856	} else {
2520	warn "smooth face '$info->{smooth}' not found for face '$face'";	2857	warn "smooth face '$info->{smooth}' not found for face '$face'";
2521	}	2858	}
2522	Coro::cede;	2859
		2860	cf::cede_to_tick;
2523	}	2861	}
2524	}	2862	}
2525		2863
2526	{	2864	{
2527	my $anims = $facedata->{animinfo};	2865	my $anims = $facedata->{animinfo};
2528		2866
2529	while (my ($anim, $info) = each %$anims) {	2867	while (my ($anim, $info) = each %$anims) {
2530	cf::anim::set $anim, $info->{frames}, $info->{facings};	2868	cf::anim::set $anim, $info->{frames}, $info->{facings};
2531	Coro::cede;	2869	cf::cede_to_tick;
2532	}	2870	}
2533		2871
2534	cf::anim::invalidate_all; # d'oh	2872	cf::anim::invalidate_all; # d'oh
2535	}	2873	}
2536		2874
		2875	{
		2876	# TODO: for gcfclient pleasure, we should give resources
		2877	# that gcfclient doesn't grok a >10000 face index.
		2878	my $res = $facedata->{resource};
		2879
		2880	my $soundconf = delete $res->{"res/sound.conf"};
		2881
		2882	while (my ($name, $info) = each %$res) {
		2883	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2884	my $data;
		2885
		2886	if ($info->{type} & 1) {
		2887	# prepend meta info
		2888
		2889	my $meta = $enc->encode ({
		2890	name => $name,
		2891	%{ $info->{meta} || {} },
		2892	});
		2893
		2894	$data = pack "(w/a*)*", $meta, $info->{data};
		2895	}
		2896
		2897	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2898	cf::face::set_type $idx, $info->{type};
		2899
		2900	cf::cede_to_tick;
		2901	}
		2902
		2903	if ($soundconf) {
		2904	$soundconf = $enc->decode (delete $soundconf->{data});
		2905
		2906	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2907	my $sound = $soundconf->{compat}[$_]
		2908	or next;
		2909
		2910	my $face = cf::face::find "sound/$sound->[1]";
		2911	cf::sound::set $sound->[0] => $face;
		2912	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2913	}
		2914
		2915	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2916	my $face = cf::face::find "sound/$v";
		2917	cf::sound::set $k => $face;
		2918	}
		2919	}
		2920	}
		2921
2537	1	2922	1
2538	}	2923	}
		2924
		2925	register_exticmd fx_want => sub {
		2926	my ($ns, $want) = @_;
		2927
		2928	while (my ($k, $v) = each %$want) {
		2929	$ns->fx_want ($k, $v);
		2930	}
		2931	};
2539		2932
2540	sub reload_regions {	2933	sub reload_regions {
2541	load_resource_file "$MAPDIR/regions"	2934	load_resource_file "$MAPDIR/regions"
2542	or die "unable to load regions file\n";	2935	or die "unable to load regions file\n";
		2936
		2937	for (cf::region::list) {
		2938	$_->{match} = qr/$_->{match}/
		2939	if exists $_->{match};
		2940	}
2543	}	2941	}
2544		2942
2545	sub reload_facedata {	2943	sub reload_facedata {
2546	load_facedata "$DATADIR/facedata"	2944	load_facedata "$DATADIR/facedata"
2547	or die "unable to load facedata\n";	2945	or die "unable to load facedata\n";
2548	}	2946	}
2549		2947
2550	sub reload_archetypes {	2948	sub reload_archetypes {
		2949	load_resource_file "$DATADIR/archetypes"
		2950	or die "unable to load archetypes\n";
		2951	#d# NEED to laod twice to resolve forward references
		2952	# this really needs to be done in an extra post-pass
		2953	# (which needs to be synchronous, so solve it differently)
2551	load_resource_file "$DATADIR/archetypes"	2954	load_resource_file "$DATADIR/archetypes"
2552	or die "unable to load archetypes\n";	2955	or die "unable to load archetypes\n";
2553	}	2956	}
2554		2957
2555	sub reload_treasures {	2958	sub reload_treasures {
…		…
2627	},	3030	},
2628	);	3031	);
2629	}	3032	}
2630	}	3033	}
2631		3034
		3035	sub write_runtime {
		3036	my $runtime = "$LOCALDIR/runtime";
		3037
		3038	# first touch the runtime file to show we are still running:
		3039	# the fsync below can take a very very long time.
		3040
		3041	IO::AIO::aio_utime $runtime, undef, undef;
		3042
		3043	my $guard = cf::lock_acquire "write_runtime";
		3044
		3045	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3046	or return;
		3047
		3048	my $value = $cf::RUNTIME + 90 + 10;
		3049	# 10 is the runtime save interval, for a monotonic clock
		3050	# 60 allows for the watchdog to kill the server.
		3051
		3052	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3053	and return;
		3054
		3055	# always fsync - this file is important
		3056	aio_fsync $fh
		3057	and return;
		3058
		3059	# touch it again to show we are up-to-date
		3060	aio_utime $fh, undef, undef;
		3061
		3062	close $fh
		3063	or return;
		3064
		3065	aio_rename "$runtime~", $runtime
		3066	and return;
		3067
		3068	warn "runtime file written.\n";
		3069
		3070	1
		3071	}
		3072
2632	sub emergency_save() {	3073	sub emergency_save() {
2633	my $freeze_guard = cf::freeze_mainloop;	3074	my $freeze_guard = cf::freeze_mainloop;
2634		3075
2635	warn "enter emergency perl save\n";	3076	warn "enter emergency perl save\n";
2636		3077
…		…
2711	%EXT_CORO = ();	3152	%EXT_CORO = ();
2712		3153
2713	warn "removing commands";	3154	warn "removing commands";
2714	%COMMAND = ();	3155	%COMMAND = ();
2715		3156
2716	warn "removing ext commands";	3157	warn "removing ext/exti commands";
2717	%EXTCMD = ();	3158	%EXTCMD = ();
		3159	%EXTICMD = ();
2718		3160
2719	warn "unloading/nuking all extensions";	3161	warn "unloading/nuking all extensions";
2720	for my $pkg (@EXTS) {	3162	for my $pkg (@EXTS) {
2721	warn "... unloading $pkg";	3163	warn "... unloading $pkg";
2722		3164

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