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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.272 by root, Sun Jun 3 15:32:50 2007 UTC vs.
Revision 1.308 by root, Mon Jul 16 14:09:40 2007 UTC

…		…
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		24
		25	use JSON::XS 1.4 ();
25	use BDB ();	26	use BDB ();
26	use Data::Dumper;	27	use Data::Dumper;
27	use Digest::MD5;	28	use Digest::MD5;
28	use Fcntl;	29	use Fcntl;
29	use YAML::Syck ();	30	use YAML::Syck ();
30	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
31	use Time::HiRes;	32	use Time::HiRes;
32	use Compress::LZF;	33	use Compress::LZF;
		34	use Digest::MD5 ();
33		35
34	# configure various modules to our taste	36	# configure various modules to our taste
35	#	37	#
36	$Storable::canonical = 1; # reduce rsync transfers	38	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
…		…
49	our %COMMAND = ();	51	our %COMMAND = ();
50	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
51		53
52	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
56		59
57	our $RELOAD; # number of reloads so far	60	our $RELOAD; # number of reloads so far
58	our @EVENT;	61	our @EVENT;
…		…
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	194	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		195	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	196	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		197
194	# we bless all objects into (empty) derived classes to force a method lookup	198	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	199	# within the Safe compartment.
196	for my $pkg (qw(	200	for my $pkg (qw(
197	cf::global cf::attachable	201	cf::global cf::attachable
…		…
205	}	209	}
206		210
207	$Event::DIED = sub {	211	$Event::DIED = sub {
208	warn "error in event callback: @_";	212	warn "error in event callback: @_";
209	};	213	};
		214
		215	#############################################################################
210		216
211	=head2 UTILITY FUNCTIONS	217	=head2 UTILITY FUNCTIONS
212		218
213	=over 4	219	=over 4
214		220
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	239	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	240	$d
235	} \|\| "[unable to dump $_[0]: '$@']";	241	} \|\| "[unable to dump $_[0]: '$@']";
236	}	242	}
237		243
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	244	=item $ref = cf::from_json $json
241		245
242	Converts a JSON string into the corresponding perl data structure.	246	Converts a JSON string into the corresponding perl data structure.
243		247
244	=item $json = cf::to_json $ref	248	=item $json = cf::to_json $ref
245		249
246	Converts a perl data structure into its JSON representation.	250	Converts a perl data structure into its JSON representation.
		251
		252	=cut
		253
		254	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		255
		256	sub to_json ($) { $json_coder->encode ($_[0]) }
		257	sub from_json ($) { $json_coder->decode ($_[0]) }
247		258
248	=item cf::lock_wait $string	259	=item cf::lock_wait $string
249		260
250	Wait until the given lock is available. See cf::lock_acquire.	261	Wait until the given lock is available. See cf::lock_acquire.
251		262
…		…
317		328
318	BEGIN { *async = \&Coro::async_pool }	329	BEGIN { *async = \&Coro::async_pool }
319		330
320	=item cf::sync_job { BLOCK }	331	=item cf::sync_job { BLOCK }
321		332
322	The design of crossfire+ requires that the main coro ($Coro::main) is	333	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	334	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.	335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		336	acceptable.
325		337
326	If it must be done, put the blocking parts into C<sync_job>. This will run	338	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	339	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	340	server will be frozen during this time, so the block should either finish
329	fast or be very important.	341	fast or be very important.
…		…
389	$EXT_CORO{$coro+0} = $coro;	401	$EXT_CORO{$coro+0} = $coro;
390		402
391	$coro	403	$coro
392	}	404	}
393		405
394	sub write_runtime {	406	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		407
397	# first touch the runtime file to show we are still running:	408	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	409	process, returning the results. Everything must be serialisable with
		410	Coro::Storable. May, of course, block. Note that the executed sub may
		411	never block itself or use any form of Event handling.
399		412
400	IO::AIO::aio_utime $runtime, undef, undef;	413	=cut
401		414
402	my $guard = cf::lock_acquire "write_runtime";	415	sub _store_scalar {
403		416	open my $fh, ">", \my $buf
404	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644	417	or die "fork_call: cannot open fh-to-buf in child : $!";
405	or return;	418	Storable::store_fd $_[0], $fh;
406
407	my $value = $cf::RUNTIME + 90 + 10;
408	# 10 is the runtime save interval, for a monotonic clock
409	# 60 allows for the watchdog to kill the server.
410
411	(aio_write $fh, 0, (length $value), $value, 0) <= 0
412	and return;
413
414	# always fsync - this file is important
415	aio_fsync $fh
416	and return;
417
418	# touch it again to show we are up-to-date
419	aio_utime $fh, undef, undef;
420
421	close $fh	419	close $fh;
422	or return;
423		420
424	aio_rename "$runtime~", $runtime	421	$buf
425	and return;	422	}
426		423
427	warn "runtime file written.\n";#d#	424	sub fork_call(&@) {
		425	my ($cb, @args) = @_;
428		426
		427	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		428	# or die "socketpair: $!";
		429	pipe my $fh1, my $fh2
		430	or die "pipe: $!";
		431
		432	if (my $pid = fork) {
		433	close $fh2;
		434
		435	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		436	warn "pst<$res>" unless $res =~ /^pst/;
		437	$res = Coro::Storable::thaw $res;
		438
		439	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		440
		441	Carp::confess $$res unless "ARRAY" eq ref $res;
		442
		443	return wantarray ? @$res : $res->[-1];
		444	} else {
		445	reset_signals;
		446	local $SIG{__WARN__};
		447	local $SIG{__DIE__};
		448	# just in case, this hack effectively disables event
		449	# in the child. cleaner and slower would be canceling all watchers,
		450	# but this works for the time being.
		451	local $Coro::idle;
		452	$Coro::current->prio (Coro::PRIO_MAX);
		453
		454	eval {
		455	close $fh1;
		456
		457	my @res = eval { $cb->(@args) };
		458
		459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		460	close $fh2;
		461	};
		462
		463	warn $@ if $@;
		464	_exit 0;
429	1	465	}
		466	}
		467
		468	=item $value = cf::db_get $family => $key
		469
		470	Returns a single value from the environment database.
		471
		472	=item cf::db_put $family => $key => $value
		473
		474	Stores the given C<$value> in the family. It can currently store binary
		475	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		476
		477	=cut
		478
		479	our $DB;
		480
		481	sub db_init {
		482	unless ($DB) {
		483	$DB = BDB::db_create $DB_ENV;
		484
		485	cf::sync_job {
		486	eval {
		487	$DB->set_flags (BDB::CHKSUM);
		488
		489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		490	BDB::CREATE \| BDB::AUTO_COMMIT, 0666;
		491	cf::cleanup "db_open(db): $!" if $!;
		492	};
		493	cf::cleanup "db_open(db): $@" if $@;
		494	};
		495	}
		496	}
		497
		498	sub db_get($$) {
		499	my $key = "$_[0]/$_[1]";
		500
		501	cf::sync_job {
		502	BDB::db_get $DB, undef, $key, my $data;
		503
		504	$! ? ()
		505	: $data
		506	}
		507	}
		508
		509	sub db_put($$$) {
		510	BDB::dbreq_pri 4;
		511	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		512	}
		513
		514	=item cf::cache $id => [$paths...], $processversion => $process
		515
		516	Generic caching function that returns the value of the resource $id,
		517	caching and regenerating as required.
		518
		519	This function can block.
		520
		521	=cut
		522
		523	sub cache {
		524	my ($id, $src, $processversion, $process) = @_;
		525
		526	my $meta =
		527	join "\x00",
		528	$processversion,
		529	map {
		530	aio_stat $_
		531	and Carp::croak "$_: $!";
		532
		533	($_, (stat _)[7,9])
		534	} @$src;
		535
		536	my $dbmeta = db_get cache => "$id/meta";
		537	if ($dbmeta ne $meta) {
		538	# changed, we may need to process
		539
		540	my @data;
		541	my $md5;
		542
		543	for (0 .. $#$src) {
		544	0 <= aio_load $src->[$_], $data[$_]
		545	or Carp::croak "$src->[$_]: $!";
		546	}
		547
		548	# if processing is expensive, check
		549	# checksum first
		550	if (1) {
		551	$md5 =
		552	join "\x00",
		553	$processversion,
		554	map {
		555	Coro::cede;
		556	($src->[$_], Digest::MD5::md5_hex $data[$_])
		557	} 0.. $#$src;
		558
		559
		560	my $dbmd5 = db_get cache => "$id/md5";
		561	if ($dbmd5 eq $md5) {
		562	db_put cache => "$id/meta", $meta;
		563
		564	return db_get cache => "$id/data";
		565	}
		566	}
		567
		568	my $t1 = Time::HiRes::time;
		569	my $data = $process->(\@data);
		570	my $t2 = Time::HiRes::time;
		571
		572	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		573
		574	db_put cache => "$id/data", $data;
		575	db_put cache => "$id/md5" , $md5;
		576	db_put cache => "$id/meta", $meta;
		577
		578	return $data;
		579	}
		580
		581	db_get cache => "$id/data"
430	}	582	}
431		583
432	=item cf::datalog type => key => value, ...	584	=item cf::datalog type => key => value, ...
433		585
434	Log a datalog packet of the given type with the given key-value pairs.	586	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")	604	attach callbacks/event handlers (a collection of which is called an "attachment")
453	to it. All such attachable objects support the following methods.	605	to it. All such attachable objects support the following methods.
454		606
455	In the following description, CLASS can be any of C<global>, C<object>	607	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	608	C<player>, C<client> or C<map> (i.e. the attachable objects in
457	crossfire+).	609	Crossfire TRT).
458		610
459	=over 4	611	=over 4
460		612
461	=item $attachable->attach ($attachment, key => $value...)	613	=item $attachable->attach ($attachment, key => $value...)
462		614
…		…
664	_attach $registry, $klass, @attach;	816	_attach $registry, $klass, @attach;
665	}	817	}
666		818
667	$obj->{$name} = \%arg;	819	$obj->{$name} = \%arg;
668	} else {	820	} else {
669	warn "object uses attachment '$name' that is not available, postponing.\n";	821	warn "object uses attachment '$name' which is not available, postponing.\n";
670	}	822	}
671		823
672	$obj->{_attachment}{$name} = undef;	824	$obj->{_attachment}{$name} = undef;
673	}	825	}
674		826
…		…
872	or return;	1024	or return;
873	$av = eval { (Storable::thaw $av)->{objs} };	1025	$av = eval { (Storable::thaw $av)->{objs} };
874	}	1026	}
875		1027
876	warn sprintf "loading %s (%d)\n",	1028	warn sprintf "loading %s (%d)\n",
877	$filename, length $data, scalar @{$av \|\| []};#d#	1029	$filename, length $data, scalar @{$av \|\| []};
878	return ($data, $av);	1030	return ($data, $av);
879	}	1031	}
		1032
		1033	=head2 COMMAND CALLBACKS
		1034
		1035	=over 4
		1036
		1037	=cut
880		1038
881	#############################################################################	1039	#############################################################################
882	# command handling &c	1040	# command handling &c
883		1041
884	=item cf::register_command $name => \&callback($ob,$args);	1042	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1055	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1056	}
899		1057
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1058	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1059
902	Register a callbackf ro execution when the client sends an extcmd packet.	1060	Register a callback for execution when the client sends an (synchronous)
		1061	extcmd packet. Ext commands will be processed in the order they are
		1062	received by the server, like other user commands. The first argument is
		1063	the logged-in player. Ext commands can only be processed after a player
		1064	has logged in successfully.
903		1065
904	If the callback returns something, it is sent back as if reply was being	1066	If the callback returns something, it is sent back as if reply was being
905	called.	1067	called.
906		1068
		1069	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1070
		1071	Register a callback for execution when the client sends an (asynchronous)
		1072	exticmd packet. Exti commands are processed by the server as soon as they
		1073	are received, i.e. out of order w.r.t. other commands. The first argument
		1074	is a client socket. Exti commands can be received anytime, even before
		1075	log-in.
		1076
		1077	If the callback returns something, it is sent back as if reply was being
		1078	called.
		1079
907	=cut	1080	=cut
908		1081
909	sub register_extcmd {	1082	sub register_extcmd {
910	my ($name, $cb) = @_;	1083	my ($name, $cb) = @_;
911		1084
912	$EXTCMD{$name} = $cb;	1085	$EXTCMD{$name} = $cb;
		1086	}
		1087
		1088	sub register_exticmd {
		1089	my ($name, $cb) = @_;
		1090
		1091	$EXTICMD{$name} = $cb;
913	}	1092	}
914		1093
915	cf::player->attach (	1094	cf::player->attach (
916	on_command => sub {	1095	on_command => sub {
917	my ($pl, $name, $params) = @_;	1096	my ($pl, $name, $params) = @_;
…		…
926	cf::override;	1105	cf::override;
927	},	1106	},
928	on_extcmd => sub {	1107	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1108	my ($pl, $buf) = @_;
930		1109
931	my $msg = eval { from_json $buf };	1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1111
933	if (ref $msg) {	1112	if (ref $msg) {
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
935	if (my %reply = $cb->($pl, $msg)) {	1114	if (my %reply = $cb->($pl, $msg)) {
936	$pl->ext_reply ($msg->{msgid}, %reply);	1115	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
942		1121
943	cf::override;	1122	cf::override;
944	},	1123	},
945	);	1124	);
946		1125
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 {	1126	sub load_extensions {
		1127	cf::sync_job {
		1128	my %todo;
		1129
982	for my $ext (<$LIBDIR/*.ext>) {	1130	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1131	next unless -r $path;
984	eval {	1132
985	load_extension $ext;	1133	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1134	my $base = $1;
		1135	my $pkg = $1;
		1136	$pkg =~ s/[^[:word:]]/_/g;
		1137	$pkg = "ext::$pkg";
		1138
		1139	open my $fh, "<:utf8", $path
		1140	or die "$path: $!";
		1141
		1142	my $source = do { local $/; <$fh> };
		1143
		1144	my %ext = (
		1145	path => $path,
		1146	base => $base,
		1147	pkg => $pkg,
		1148	);
		1149
		1150	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1151	if $source =~ /\A#!.?perl.?#\s(.)$/m;
		1152
		1153	$ext{source} =
		1154	"package $pkg; use strict; use utf8;\n"
		1155	. "#line 1 \"$path\"\n{\n"
		1156	. $source
		1157	. "\n};\n1";
		1158
		1159	$todo{$base} = \%ext;
		1160	}
		1161
		1162	my %done;
		1163	while (%todo) {
		1164	my $progress;
		1165
		1166	while (my ($k, $v) = each %todo) {
		1167	for (split /,\s*/, $v->{meta}{depends}) {
		1168	goto skip
		1169	unless exists $done{$_};
		1170	}
		1171
		1172	warn "... loading '$k' into '$v->{pkg}'\n";
		1173
		1174	unless (eval $v->{source}) {
		1175	my $msg = $@ ? "$v->{path}: $@\n"
		1176	: "$v->{base}: extension inactive.\n";
		1177
		1178	if (exists $v->{meta}{mandatory}) {
		1179	warn $msg;
		1180	warn "mandatory extension failed to load, exiting.\n";
		1181	exit 1;
		1182	}
		1183
		1184	warn $msg;
		1185	}
		1186
		1187	$done{$k} = delete $todo{$k};
		1188	push @EXTS, $v->{pkg};
		1189	$progress = 1;
986	1	1190	}
987	} or warn "$ext not loaded: $@";	1191
		1192	skip:
		1193	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1194	unless $progress;
		1195	}
988	}	1196	};
989	}	1197	}
990		1198
991	#############################################################################	1199	#############################################################################
		1200
		1201	=back
992		1202
993	=head2 CORE EXTENSIONS	1203	=head2 CORE EXTENSIONS
994		1204
995	Functions and methods that extend core crossfire objects.	1205	Functions and methods that extend core crossfire objects.
996		1206
…		…
1184	}	1394	}
1185		1395
1186	\@paths	1396	\@paths
1187	}	1397	}
1188		1398
		1399	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1400
		1401	Expand crossfire pod fragments into protocol xml.
		1402
		1403	=cut
		1404
		1405	sub expand_cfpod {
		1406	((my $self), (local $_)) = @_;
		1407
		1408	# escape & and <
		1409	s/&/&/g;
		1410	s/(?<![BIUGH])</</g;
		1411
		1412	# this is buggy, it needs to properly take care of nested <'s
		1413
		1414	1 while
		1415	# replace B<>, I<>, U<> etc.
		1416	s/B<([^\>]*)>/<b>$1<\/b>/
		1417	\|\| s/I<([^\>]*)>/<i>$1<\/i>/
		1418	\|\| s/U<([^\>]*)>/<u>$1<\/u>/
		1419	# replace G<male\|female> tags
		1420	\|\| s{G<([^>\|])\\|([^>])>}{
		1421	$self->gender ? $2 : $1
		1422	}ge
		1423	# replace H<hint text>
		1424	\|\| s{H<([^\>]*)>}
		1425	{
		1426	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1427	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1428	"")
		1429	[$self->{hintmode}]
		1430	}ge;
		1431
		1432	# create single paragraphs (very hackish)
		1433	s/(?<=\S)\n(?=\w)/ /g;
		1434
		1435	# compress some whitespace
		1436	s/\s+\n/\n/g; # ws line-ends
		1437	s/\n\n+/\n/g; # double lines
		1438	s/^\n+//; # beginning lines
		1439	s/\n+$//; # ending lines
		1440
		1441	$_
		1442	}
		1443
		1444	sub hintmode {
		1445	$_[0]{hintmode} = $_[1] if @_ > 1;
		1446	$_[0]{hintmode}
		1447	}
		1448
1189	=item $player->ext_reply ($msgid, %msg)	1449	=item $player->ext_reply ($msgid, %msg)
1190		1450
1191	Sends an ext reply to the player.	1451	Sends an ext reply to the player.
1192		1452
1193	=cut	1453	=cut
1194		1454
1195	sub ext_reply($$%) {	1455	sub ext_reply($$%) {
1196	my ($self, $id, %msg) = @_;	1456	my ($self, $id, %msg) = @_;
1197		1457
1198	$msg{msgid} = $id;	1458	$msg{msgid} = $id;
1199		1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1460	}
1202		1461
1203	=item $player->ext_event ($type, %msg)	1462	=item $player->ext_event ($type, %msg)
1204		1463
1205	Sends an ext event to the client.	1464	Sends an ext event to the client.
…		…
1220		1479
1221	package cf::region;	1480	package cf::region;
1222		1481
1223	=item cf::region::find_by_path $path	1482	=item cf::region::find_by_path $path
1224		1483
1225	Tries to decuce the probable region for a map knowing only its path.	1484	Tries to decuce the likely region for a map knowing only its path.
1226		1485
1227	=cut	1486	=cut
1228		1487
1229	sub find_by_path($) {	1488	sub find_by_path($) {
1230	my ($path) = @_;	1489	my ($path) = @_;
1231		1490
1232	my ($match, $specificity);	1491	my ($match, $specificity);
1233		1492
1234	for my $region (list) {	1493	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1494	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1495	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1496	if $region->specificity > $specificity;
1238	}	1497	}
1239	}	1498	}
1240		1499
…		…
1304	my ($self, $merge) = @_;	1563	my ($self, $merge) = @_;
1305		1564
1306	# we have to keep some variables in memory intact	1565	# we have to keep some variables in memory intact
1307	local $self->{path};	1566	local $self->{path};
1308	local $self->{load_path};	1567	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1568
1312	$self->SUPER::thawer_merge ($merge);	1569	$self->SUPER::thawer_merge ($merge);
1313	}	1570	}
1314		1571
1315	sub normalise {	1572	sub normalise {
…		…
1362	$self->init; # pass $1 etc.	1619	$self->init; # pass $1 etc.
1363	return $self;	1620	return $self;
1364	}	1621	}
1365	}	1622	}
1366		1623
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	1624	Carp::cluck "unable to resolve path '$path' (base '$base').";
1368	()	1625	()
1369	}	1626	}
1370		1627
1371	sub init {	1628	sub init {
1372	my ($self) = @_;	1629	my ($self) = @_;
…		…
1413	sub change_all_map_light {	1670	sub change_all_map_light {
1414	my ($change) = @_;	1671	my ($change) = @_;
1415		1672
1416	$_->change_map_light ($change)	1673	$_->change_map_light ($change)
1417	for grep $_->outdoor, values %cf::MAP;	1674	for grep $_->outdoor, values %cf::MAP;
		1675	}
		1676
		1677	sub decay_objects {
		1678	my ($self) = @_;
		1679
		1680	return if $self->{deny_reset};
		1681
		1682	$self->do_decay_objects;
1418	}	1683	}
1419		1684
1420	sub unlink_save {	1685	sub unlink_save {
1421	my ($self) = @_;	1686	my ($self) = @_;
1422		1687
…		…
1480	$self->load_header_orig	1745	$self->load_header_orig
1481	or return;	1746	or return;
1482	$self->prepare_orig;	1747	$self->prepare_orig;
1483	}	1748	}
1484		1749
		1750	$self->{deny_reset} = 1
		1751	if $self->no_reset;
		1752
1485	$self->default_region (cf::region::find_by_path $self->{path})	1753	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	1754	unless $self->default_region;
1487		1755
1488	1	1756	1
1489	}	1757	}
…		…
1504	$map->{last_save} = $cf::RUNTIME;	1772	$map->{last_save} = $cf::RUNTIME;
1505		1773
1506	$map->load_header	1774	$map->load_header
1507	or return;	1775	or return;
1508		1776
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	1778	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	1779	#$cf::WAIT_FOR_TICK->wait;
1512	$map->reset;	1780	$map->reset;
1513	undef $guard;	1781	undef $guard;
1514	return find $path;	1782	return find $path;
…		…
1581	my ($self, $ob) = @_;	1849	my ($self, $ob) = @_;
1582		1850
1583	return find "~" . $ob->name . "/" . $self->{path}	1851	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	1852	if $self->per_player;
1585		1853
		1854	# return find "?party/" . $ob->name . "/" . $self->{path}
		1855	# if $self->per_party;
		1856
1586	$self	1857	$self
1587	}	1858	}
1588		1859
1589	# find and load all maps in the 3x3 area around a map	1860	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	1861	sub load_diag {
…		…
1636		1907
1637	undef $MAP_PREFETCH{$path};	1908	undef $MAP_PREFETCH{$path};
1638	$MAP_PREFETCHER \|\|= cf::async {	1909	$MAP_PREFETCHER \|\|= cf::async {
1639	while (%MAP_PREFETCH) {	1910	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	1911	for my $path (keys %MAP_PREFETCH) {
1641	my $map = find $path	1912	if (my $map = find $path) {
1642	or next;
1643	$map->load;	1913	$map->load;
		1914	}
1644		1915
1645	delete $MAP_PREFETCH{$path};	1916	delete $MAP_PREFETCH{$path};
1646	}	1917	}
1647	}	1918	}
1648	undef $MAP_PREFETCHER;	1919	undef $MAP_PREFETCHER;
…		…
1700		1971
1701	sub reset_at {	1972	sub reset_at {
1702	my ($self) = @_;	1973	my ($self) = @_;
1703		1974
1704	# TODO: safety, remove and allow resettable per-player maps	1975	# 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};	1976	return 1e99 if $self->{deny_reset};
1707		1977
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1978	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;	1979	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;
1710		1980
…		…
1721	my ($self) = @_;	1991	my ($self) = @_;
1722		1992
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	1993	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		1994
1725	return if $self->players;	1995	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		1996
1728	warn "resetting map ", $self->path;#d#	1997	warn "resetting map ", $self->path;
1729		1998
1730	$self->in_memory (cf::MAP_SWAPPED);	1999	$self->in_memory (cf::MAP_SWAPPED);
1731		2000
1732	# need to save uniques path	2001	# need to save uniques path
1733	unless ($self->{deny_save}) {	2002	unless ($self->{deny_save}) {
…		…
1765	$cf::MAP{$self->path} = $self;	2034	$cf::MAP{$self->path} = $self;
1766		2035
1767	$self->reset; # polite request, might not happen	2036	$self->reset; # polite request, might not happen
1768	}	2037	}
1769		2038
		2039	=item $maps = cf::map::tmp_maps
		2040
		2041	Returns an arrayref with all map paths of currently instantiated and saved
		2042	maps. May block.
		2043
		2044	=cut
		2045
		2046	sub tmp_maps() {
		2047	[
		2048	map {
		2049	utf8::decode $_;
		2050	/\.map$/
		2051	? normalise $_
		2052	: ()
		2053	} @{ aio_readdir $TMPDIR or [] }
		2054	]
		2055	}
		2056
		2057	=item $maps = cf::map::random_maps
		2058
		2059	Returns an arrayref with all map paths of currently instantiated and saved
		2060	random maps. May block.
		2061
		2062	=cut
		2063
		2064	sub random_maps() {
		2065	[
		2066	map {
		2067	utf8::decode $_;
		2068	/\.map$/
		2069	? normalise "?random/$_"
		2070	: ()
		2071	} @{ aio_readdir $RANDOMDIR or [] }
		2072	]
		2073	}
		2074
1770	=item cf::map::unique_maps	2075	=item cf::map::unique_maps
1771		2076
1772	Returns an arrayref of paths of all shared maps that have	2077	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2078	instantiated unique items. May block.
1774		2079
1775	=cut	2080	=cut
1776		2081
1777	sub unique_maps() {	2082	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2083	[
1779	or return;	2084	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2085	utf8::decode $_;
1785	next if /\.pst$/;	2086	/\.map$/
1786	next unless /^$PATH_SEP/o;	2087	? normalise $_
1787		2088	: ()
1788	push @paths, cf::map::normalise $_;	2089	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2090	]
1790
1791	\@paths
1792	}	2091	}
1793		2092
1794	package cf;	2093	package cf;
1795		2094
1796	=back	2095	=back
…		…
1842		2141
1843	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;	2142	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;
1844		2143
1845	if ($self->{record_replies}) {	2144	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2145	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2146
1847	} else {	2147	} else {
		2148	my $pl = $self->contr;
		2149
		2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2151	my $diag = $pl->{npc_dialog};
		2152	$diag->{pl}->ext_reply (
		2153	$diag->{id},
		2154	msgtype => "reply",
		2155	msg => $diag->{pl}->expand_cfpod ($msg),
		2156	add_topics => []
		2157	);
		2158
		2159	} else {
1848	$msg = $npc->name . " says: $msg" if $npc;	2160	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2161	$self->message ($msg, $flags);
		2162	}
1850	}	2163	}
1851	}	2164	}
1852		2165
1853	=item $player_object->may ("access")	2166	=item $player_object->may ("access")
1854		2167
…		…
1943		2256
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2258	$self->enter_map ($map, $x, $y);
1946	}	2259	}
1947		2260
1948	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2261	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949		2262
1950	Moves the player to the given map-path and coordinates by first freezing	2263	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	2264	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	2265	that has to return the map if sucecssful, and then unfreezes the player on
1953	the new (success) or old (failed) map position.	2266	the new (success) or old (failed) map position. In either case, $done will
		2267	be called at the end of this process.
1954		2268
1955	=cut	2269	=cut
1956		2270
1957	our $GOTOGEN;	2271	our $GOTOGEN;
1958		2272
1959	sub cf::object::player::goto {	2273	sub cf::object::player::goto {
1960	my ($self, $path, $x, $y, $check) = @_;	2274	my ($self, $path, $x, $y, $check, $done) = @_;
1961		2275
1962	# do generation counting so two concurrent goto's will be executed in-order	2276	# do generation counting so two concurrent goto's will be executed in-order
1963	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2277	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964		2278
1965	$self->enter_link;	2279	$self->enter_link;
…		…
1985		2299
1986	if ($gen == $self->{_goto_generation}) {	2300	if ($gen == $self->{_goto_generation}) {
1987	delete $self->{_goto_generation};	2301	delete $self->{_goto_generation};
1988	$self->leave_link ($map, $x, $y);	2302	$self->leave_link ($map, $x, $y);
1989	}	2303	}
		2304
		2305	$done->() if $done;
1990	})->prio (1);	2306	})->prio (1);
1991	}	2307	}
1992		2308
1993	=item $player_object->enter_exit ($exit_object)	2309	=item $player_object->enter_exit ($exit_object)
1994		2310
…		…
2063	my $hp = $exit->stats->hp;	2379	my $hp = $exit->stats->hp;
2064	my $sp = $exit->stats->sp;	2380	my $sp = $exit->stats->sp;
2065		2381
2066	$self->enter_link;	2382	$self->enter_link;
2067		2383
		2384	# if exit is damned, update players death & WoR home-position
		2385	$self->contr->savebed ($slaying, $hp, $sp)
		2386	if $exit->flag (FLAG_DAMNED);
		2387
2068	(async {	2388	(async {
2069	$self->deactivate_recursive; # just to be sure	2389	$self->deactivate_recursive; # just to be sure
2070	unless (eval {	2390	unless (eval {
2071	$self->goto ($slaying, $hp, $sp);	2391	$self->goto ($slaying, $hp, $sp);
2072		2392
…		…
2099		2419
2100	utf8::encode $text;	2420	utf8::encode $text;
2101	$self->send_packet (sprintf "drawinfo %d %s", $flags \|\| cf::NDI_BLACK, $text);	2421	$self->send_packet (sprintf "drawinfo %d %s", $flags \|\| cf::NDI_BLACK, $text);
2102	}	2422	}
2103		2423
		2424	=item $client->send_msg ($color, $type, $msg, [extra...])
		2425
		2426	Send a drawinfo or msg packet to the client, formatting the msg for the
		2427	client if neccessary. C<$type> should be a string identifying the type of
		2428	the message, with C<log> being the default. If C<$color> is negative, suppress
		2429	the message unless the client supports the msg packet.
		2430
		2431	=cut
		2432
		2433	sub cf::client::send_msg {
		2434	my ($self, $color, $type, $msg, @extra) = @_;
		2435
		2436	$msg = $self->pl->expand_cfpod ($msg);
		2437
		2438	return unless @extra \|\| length $msg;
		2439
		2440	if ($self->can_msg) {
		2441	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2442	} else {
		2443	# replace some tags by gcfclient-compatible ones
		2444	for ($msg) {
		2445	1 while
		2446	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2447	\|\| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2448	\|\| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2449	\|\| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2450	\|\| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2451	}
		2452
		2453	if ($color >= 0) {
		2454	if (0 && $msg =~ /\[/) {
		2455	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2456	} else {
		2457	$msg =~ s/\[\/?(?:b\|i\|u\|fixed\|color)[^\]]*\]//g;
		2458	$self->send_packet ("drawinfo $color $msg")
		2459	}
		2460	}
		2461	}
		2462	}
		2463
2104	=item $client->ext_event ($type, %msg)	2464	=item $client->ext_event ($type, %msg)
2105		2465
2106	Sends an exti event to the client.	2466	Sends an ext event to the client.
2107		2467
2108	=cut	2468	=cut
2109		2469
2110	sub cf::client::ext_event($$%) {	2470	sub cf::client::ext_event($$%) {
2111	my ($self, $type, %msg) = @_;	2471	my ($self, $type, %msg) = @_;
2112		2472
		2473	return unless $self->extcmd;
		2474
2113	$msg{msgtype} = "event_$type";	2475	$msg{msgtype} = "event_$type";
2114	$self->send_packet ("ext " . cf::to_json \%msg);	2476	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
2115	}	2477	}
2116		2478
2117	=item $success = $client->query ($flags, "text", \&cb)	2479	=item $success = $client->query ($flags, "text", \&cb)
2118		2480
2119	Queues a query to the client, calling the given callback with	2481	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>,	2482	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>.	2483	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2122		2484
2123	Queries can fail, so check the return code. Or don't, as queries will become	2485	Queries can fail, so check the return code. Or don't, as queries will
2124	reliable at some point in the future.	2486	become reliable at some point in the future.
2125		2487
2126	=cut	2488	=cut
2127		2489
2128	sub cf::client::query {	2490	sub cf::client::query {
2129	my ($self, $flags, $text, $cb) = @_;	2491	my ($self, $flags, $text, $cb) = @_;
…		…
2137	utf8::encode $text;	2499	utf8::encode $text;
2138	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2500	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139		2501
2140	$self->send_packet ($self->{query_queue}[0][0])	2502	$self->send_packet ($self->{query_queue}[0][0])
2141	if @{ $self->{query_queue} } == 1;	2503	if @{ $self->{query_queue} } == 1;
		2504
		2505	1
2142	}	2506	}
2143		2507
2144	cf::client->attach (	2508	cf::client->attach (
		2509	on_connect => sub {
		2510	my ($ns) = @_;
		2511
		2512	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2513	},
2145	on_reply => sub {	2514	on_reply => sub {
2146	my ($ns, $msg) = @_;	2515	my ($ns, $msg) = @_;
2147		2516
2148	# this weird shuffling is so that direct followup queries	2517	# this weird shuffling is so that direct followup queries
2149	# get handled first	2518	# get handled first
…		…
2161	} else {	2530	} else {
2162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2531	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163	}	2532	}
2164	}	2533	}
2165	},	2534	},
		2535	on_exticmd => sub {
		2536	my ($ns, $buf) = @_;
		2537
		2538	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2539
		2540	if (ref $msg) {
		2541	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2542	if (my %reply = $cb->($ns, $msg)) {
		2543	$reply{msgid} = $msg->{msgid};
		2544	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2545	}
		2546	}
		2547	} else {
		2548	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2549	}
		2550
		2551	cf::override;
		2552	},
2166	);	2553	);
2167		2554
2168	=item $client->async (\&cb)	2555	=item $client->async (\&cb)
2169		2556
2170	Create a new coroutine, running the specified callback. The coroutine will	2557	Create a new coroutine, running the specified callback. The coroutine will
…		…
2219		2606
2220	=pod	2607	=pod
2221		2608
2222	The following functions and methods are available within a safe environment:	2609	The following functions and methods are available within a safe environment:
2223		2610
2224	cf::object contr pay_amount pay_player map	2611	cf::object
		2612	contr pay_amount pay_player map x y force_find force_add
		2613	insert remove
		2614
2225	cf::object::player player	2615	cf::object::player
2226	cf::player peaceful	2616	player
2227	cf::map trigger	2617
		2618	cf::player
		2619	peaceful
		2620
		2621	cf::map
		2622	trigger
2228		2623
2229	=cut	2624	=cut
2230		2625
2231	for (	2626	for (
2232	["cf::object" => qw(contr pay_amount pay_player map)],	2627	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2628	insert remove)],
2233	["cf::object::player" => qw(player)],	2629	["cf::object::player" => qw(player)],
2234	["cf::player" => qw(peaceful)],	2630	["cf::player" => qw(peaceful)],
2235	["cf::map" => qw(trigger)],	2631	["cf::map" => qw(trigger)],
2236	) {	2632	) {
2237	no strict 'refs';	2633	no strict 'refs';
…		…
2308	=back	2704	=back
2309		2705
2310	=cut	2706	=cut
2311		2707
2312	#############################################################################	2708	#############################################################################
2313
2314	=head2 EXTENSION DATABASE SUPPORT
2315
2316	Crossfire maintains a very simple database for extension use. It can
2317	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2318	convert to/from binary).
2319
2320	The parameter C<$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 $@;
2480	_exit 0;
2481	}
2482	}
2483
2484	#############################################################################
2485	# the server's init and main functions	2709	# the server's init and main functions
2486		2710
2487	sub load_facedata($) {	2711	sub load_facedata($) {
2488	my ($path) = @_;	2712	my ($path) = @_;
2489		2713
…		…
2501	{	2725	{
2502	my $faces = $facedata->{faceinfo};	2726	my $faces = $facedata->{faceinfo};
2503		2727
2504	while (my ($face, $info) = each %$faces) {	2728	while (my ($face, $info) = each %$faces) {
2505	my $idx = (cf::face::find $face) \|\| cf::face::alloc $face;	2729	my $idx = (cf::face::find $face) \|\| cf::face::alloc $face;
2506	warn "$face $info->{magicmap}\n" if $face =~ /obol/;#d#
2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2730	cf::face::set_visibility $idx, $info->{visibility};
		2731	cf::face::set_magicmap $idx, $info->{magicmap};
2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2732	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2733	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2510	Coro::cede;	2734
		2735	cf::cede_to_tick;
2511	}	2736	}
2512		2737
2513	while (my ($face, $info) = each %$faces) {	2738	while (my ($face, $info) = each %$faces) {
2514	next unless $info->{smooth};	2739	next unless $info->{smooth};
2515	my $idx = cf::face::find $face	2740	my $idx = cf::face::find $face
2516	or next;	2741	or next;
2517	if (my $smooth = cf::face::find $info->{smooth}) {	2742	if (my $smooth = cf::face::find $info->{smooth}) {
		2743	cf::face::set_smooth $idx, $smooth;
2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2744	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519	} else {	2745	} else {
2520	warn "smooth face '$info->{smooth}' not found for face '$face'";	2746	warn "smooth face '$info->{smooth}' not found for face '$face'";
2521	}	2747	}
2522	Coro::cede;	2748
		2749	cf::cede_to_tick;
2523	}	2750	}
2524	}	2751	}
2525		2752
2526	{	2753	{
2527	my $anims = $facedata->{animinfo};	2754	my $anims = $facedata->{animinfo};
2528		2755
2529	while (my ($anim, $info) = each %$anims) {	2756	while (my ($anim, $info) = each %$anims) {
2530	cf::anim::set $anim, $info->{frames}, $info->{facings};	2757	cf::anim::set $anim, $info->{frames}, $info->{facings};
2531	Coro::cede;	2758	cf::cede_to_tick;
2532	}	2759	}
2533		2760
2534	cf::anim::invalidate_all; # d'oh	2761	cf::anim::invalidate_all; # d'oh
		2762	}
		2763
		2764	{
		2765	# TODO: for gcfclient pleasure, we should give resources
		2766	# that gcfclient doesn't grok a >10000 face index.
		2767	my $res = $facedata->{resource};
		2768	my $enc = JSON::XS->new->utf8->canonical;
		2769
		2770	while (my ($name, $info) = each %$res) {
		2771	my $meta = $enc->encode ({
		2772	name => $name,
		2773	type => $info->{type},
		2774	copyright => $info->{copyright}, #TODO#
		2775	});
		2776
		2777	my $idx = (cf::face::find $name) \|\| cf::face::alloc $name;
		2778
		2779	if ($name =~ /\.jpg$/) {
		2780	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2781	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2782	} else {
		2783	my $data = pack "(w/a)", $meta, $info->{data};
		2784	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2785
		2786	cf::face::set_type $idx, 1;
		2787	cf::face::set_data $idx, 0, $data, $chk;
		2788	}
		2789
		2790	cf::cede_to_tick;
		2791	}
2535	}	2792	}
2536		2793
2537	1	2794	1
2538	}	2795	}
2539		2796
2540	sub reload_regions {	2797	sub reload_regions {
2541	load_resource_file "$MAPDIR/regions"	2798	load_resource_file "$MAPDIR/regions"
2542	or die "unable to load regions file\n";	2799	or die "unable to load regions file\n";
		2800
		2801	for (cf::region::list) {
		2802	$_->{match} = qr/$_->{match}/
		2803	if exists $_->{match};
		2804	}
2543	}	2805	}
2544		2806
2545	sub reload_facedata {	2807	sub reload_facedata {
2546	load_facedata "$DATADIR/facedata"	2808	load_facedata "$DATADIR/facedata"
2547	or die "unable to load facedata\n";	2809	or die "unable to load facedata\n";
2548	}	2810	}
2549		2811
2550	sub reload_archetypes {	2812	sub reload_archetypes {
2551	load_resource_file "$DATADIR/archetypes"	2813	load_resource_file "$DATADIR/archetypes"
2552	or die "unable to load archetypes\n";	2814	or die "unable to load archetypes\n";
		2815	#d# NEED to laod twice to resolve forward references
		2816	# this really needs to be done in an extra post-pass
		2817	# (which needs to be synchronous, so solve it differently)
		2818	load_resource_file "$DATADIR/archetypes"
		2819	or die "unable to load archetypes\n";
2553	}	2820	}
2554		2821
2555	sub reload_treasures {	2822	sub reload_treasures {
2556	load_resource_file "$DATADIR/treasures"	2823	load_resource_file "$DATADIR/treasures"
2557	or die "unable to load treasurelists\n";	2824	or die "unable to load treasurelists\n";
…		…
2560	sub reload_resources {	2827	sub reload_resources {
2561	warn "reloading resource files...\n";	2828	warn "reloading resource files...\n";
2562		2829
2563	reload_regions;	2830	reload_regions;
2564	reload_facedata;	2831	reload_facedata;
		2832	#reload_archetypes;#d#
2565	reload_archetypes;	2833	reload_archetypes;
2566	reload_treasures;	2834	reload_treasures;
2567		2835
2568	warn "finished reloading resource files\n";	2836	warn "finished reloading resource files\n";
2569	}	2837	}
…		…
2626	},	2894	},
2627	);	2895	);
2628	}	2896	}
2629	}	2897	}
2630		2898
		2899	sub write_runtime {
		2900	my $runtime = "$LOCALDIR/runtime";
		2901
		2902	# first touch the runtime file to show we are still running:
		2903	# the fsync below can take a very very long time.
		2904
		2905	IO::AIO::aio_utime $runtime, undef, undef;
		2906
		2907	my $guard = cf::lock_acquire "write_runtime";
		2908
		2909	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644
		2910	or return;
		2911
		2912	my $value = $cf::RUNTIME + 90 + 10;
		2913	# 10 is the runtime save interval, for a monotonic clock
		2914	# 60 allows for the watchdog to kill the server.
		2915
		2916	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2917	and return;
		2918
		2919	# always fsync - this file is important
		2920	aio_fsync $fh
		2921	and return;
		2922
		2923	# touch it again to show we are up-to-date
		2924	aio_utime $fh, undef, undef;
		2925
		2926	close $fh
		2927	or return;
		2928
		2929	aio_rename "$runtime~", $runtime
		2930	and return;
		2931
		2932	warn "runtime file written.\n";
		2933
		2934	1
		2935	}
		2936
2631	sub emergency_save() {	2937	sub emergency_save() {
2632	my $freeze_guard = cf::freeze_mainloop;	2938	my $freeze_guard = cf::freeze_mainloop;
2633		2939
2634	warn "enter emergency perl save\n";	2940	warn "enter emergency perl save\n";
2635		2941
…		…
2710	%EXT_CORO = ();	3016	%EXT_CORO = ();
2711		3017
2712	warn "removing commands";	3018	warn "removing commands";
2713	%COMMAND = ();	3019	%COMMAND = ();
2714		3020
2715	warn "removing ext commands";	3021	warn "removing ext/exti commands";
2716	%EXTCMD = ();	3022	%EXTCMD = ();
		3023	%EXTICMD = ();
2717		3024
2718	warn "unloading/nuking all extensions";	3025	warn "unloading/nuking all extensions";
2719	for my $pkg (@EXTS) {	3026	for my $pkg (@EXTS) {
2720	warn "... unloading $pkg";	3027	warn "... unloading $pkg";
2721		3028

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.272 by root, Sun Jun 3 15:32:50 2007 UTC vs. Revision 1.308 by root, Mon Jul 16 14:09:40 2007 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.272 by root, Sun Jun 3 15:32:50 2007 UTC vs.
Revision 1.308 by root, Mon Jul 16 14:09:40 2007 UTC