[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 1.287 by root, Mon Jun 25 05:43:45 2007 UTC

…		…
49	our %COMMAND = ();	49	our %COMMAND = ();
50	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
51		51
52	our @EXTS = (); # list of extension package names	52	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	53	our %EXTCMD = ();
		54	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	55	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	56	our %EXT_MAP = (); # pluggable maps
56		57
57	our $RELOAD; # number of reloads so far	58	our $RELOAD; # number of reloads so far
58	our @EVENT;	59	our @EVENT;
…		…
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	188	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	189	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	190	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	191	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	192	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		193	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	194	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		195
194	# we bless all objects into (empty) derived classes to force a method lookup	196	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	197	# within the Safe compartment.
196	for my $pkg (qw(	198	for my $pkg (qw(
197	cf::global cf::attachable	199	cf::global cf::attachable
…		…
205	}	207	}
206		208
207	$Event::DIED = sub {	209	$Event::DIED = sub {
208	warn "error in event callback: @_";	210	warn "error in event callback: @_";
209	};	211	};
		212
		213	#############################################################################
210		214
211	=head2 UTILITY FUNCTIONS	215	=head2 UTILITY FUNCTIONS
212		216
213	=over 4	217	=over 4
214		218
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	237	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	238	$d
235	} \|\| "[unable to dump $_[0]: '$@']";	239	} \|\| "[unable to dump $_[0]: '$@']";
236	}	240	}
237		241
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	242	use JSON::XS ();
239		243
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 $json_coder = JSON::XS->new->convert_blessed->utf8;
		255
		256	sub to_json ($) { $json_coder->encode ($_[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 $guard = cf::lock_acquire "write_runtime";	415	sub fork_call(&@) {
		416	my ($cb, @args) = @_;
403		417
404	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644	418	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
405	or return;	419	# or die "socketpair: $!";
		420	pipe my $fh1, my $fh2
		421	or die "pipe: $!";
406		422
407	my $value = $cf::RUNTIME + 90 + 10;	423	if (my $pid = fork) {
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	424	close $fh2;
422	or return;
423		425
424	aio_rename "$runtime~", $runtime	426	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
425	and return;	427	$res = Coro::Storable::thaw $res;
426		428
427	warn "runtime file written.\n";#d#	429	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
428		430
		431	die $$res unless "ARRAY" eq ref $res;
		432
		433	return wantarray ? @$res : $res->[-1];
		434	} else {
		435	reset_signals;
		436	local $SIG{__WARN__};
		437	local $SIG{__DIE__};
		438	eval {
		439	close $fh1;
		440
		441	my @res = eval { $cb->(@args) };
		442	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		443	};
		444
		445	warn $@ if $@;
		446	_exit 0;
429	1	447	}
		448	}
		449
		450	=item $value = cf::db_get $family => $key
		451
		452	Returns a single value from the environment database.
		453
		454	=item cf::db_put $family => $key => $value
		455
		456	Stores the given C<$value> in the family. It can currently store binary
		457	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		458
		459	=cut
		460
		461	our $DB;
		462
		463	sub db_init {
		464	unless ($DB) {
		465	$DB = BDB::db_create $DB_ENV;
		466
		467	cf::sync_job {
		468	eval {
		469	$DB->set_flags (BDB::CHKSUM);
		470
		471	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		472	BDB::CREATE \| BDB::AUTO_COMMIT, 0666;
		473	cf::cleanup "db_open(db): $!" if $!;
		474	};
		475	cf::cleanup "db_open(db): $@" if $@;
		476	};
		477	}
		478	}
		479
		480	sub db_get($$) {
		481	my $key = "$_[0]/$_[1]";
		482
		483	cf::sync_job {
		484	BDB::db_get $DB, undef, $key, my $data;
		485
		486	$! ? ()
		487	: $data
		488	}
		489	}
		490
		491	sub db_put($$$) {
		492	BDB::dbreq_pri 4;
		493	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		494	}
		495
		496	=item cf::cache $id => [$paths...], $processversion => $process
		497
		498	Generic caching function that returns the value of the resource $id,
		499	caching and regenerating as required.
		500
		501	This function can block.
		502
		503	=cut
		504
		505	sub cache {
		506	my ($id, $src, $processversion, $process) = @_;
		507
		508	my $meta =
		509	join "\x00",
		510	$processversion,
		511	map {
		512	aio_stat $_
		513	and Carp::croak "$_: $!";
		514
		515	($_, (stat _)[7,9])
		516	} @$src;
		517
		518	my $dbmeta = db_get cache => "$id/meta";
		519	if ($dbmeta ne $meta) {
		520	# changed, we may need to process
		521
		522	my @data;
		523	my $md5;
		524
		525	for (0 .. $#$src) {
		526	0 <= aio_load $src->[$_], $data[$_]
		527	or Carp::croak "$src->[$_]: $!";
		528	}
		529
		530	# if processing is expensive, check
		531	# checksum first
		532	if (1) {
		533	$md5 =
		534	join "\x00",
		535	$processversion,
		536	map {
		537	Coro::cede;
		538	($src->[$_], Digest::MD5::md5_hex $data[$_])
		539	} 0.. $#$src;
		540
		541
		542	my $dbmd5 = db_get cache => "$id/md5";
		543	if ($dbmd5 eq $md5) {
		544	db_put cache => "$id/meta", $meta;
		545
		546	return db_get cache => "$id/data";
		547	}
		548	}
		549
		550	my $t1 = Time::HiRes::time;
		551	my $data = $process->(\@data);
		552	my $t2 = Time::HiRes::time;
		553
		554	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		555
		556	db_put cache => "$id/data", $data;
		557	db_put cache => "$id/md5" , $md5;
		558	db_put cache => "$id/meta", $meta;
		559
		560	return $data;
		561	}
		562
		563	db_get cache => "$id/data"
430	}	564	}
431		565
432	=item cf::datalog type => key => value, ...	566	=item cf::datalog type => key => value, ...
433		567
434	Log a datalog packet of the given type with the given key-value pairs.	568	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")	586	attach callbacks/event handlers (a collection of which is called an "attachment")
453	to it. All such attachable objects support the following methods.	587	to it. All such attachable objects support the following methods.
454		588
455	In the following description, CLASS can be any of C<global>, C<object>	589	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	590	C<player>, C<client> or C<map> (i.e. the attachable objects in
457	crossfire+).	591	Crossfire TRT).
458		592
459	=over 4	593	=over 4
460		594
461	=item $attachable->attach ($attachment, key => $value...)	595	=item $attachable->attach ($attachment, key => $value...)
462		596
…		…
664	_attach $registry, $klass, @attach;	798	_attach $registry, $klass, @attach;
665	}	799	}
666		800
667	$obj->{$name} = \%arg;	801	$obj->{$name} = \%arg;
668	} else {	802	} else {
669	warn "object uses attachment '$name' that is not available, postponing.\n";	803	warn "object uses attachment '$name' which is not available, postponing.\n";
670	}	804	}
671		805
672	$obj->{_attachment}{$name} = undef;	806	$obj->{_attachment}{$name} = undef;
673	}	807	}
674		808
…		…
872	or return;	1006	or return;
873	$av = eval { (Storable::thaw $av)->{objs} };	1007	$av = eval { (Storable::thaw $av)->{objs} };
874	}	1008	}
875		1009
876	warn sprintf "loading %s (%d)\n",	1010	warn sprintf "loading %s (%d)\n",
877	$filename, length $data, scalar @{$av \|\| []};#d#	1011	$filename, length $data, scalar @{$av \|\| []};
878	return ($data, $av);	1012	return ($data, $av);
879	}	1013	}
		1014
		1015	=head2 COMMAND CALLBACKS
		1016
		1017	=over 4
		1018
		1019	=cut
880		1020
881	#############################################################################	1021	#############################################################################
882	# command handling &c	1022	# command handling &c
883		1023
884	=item cf::register_command $name => \&callback($ob,$args);	1024	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1037	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1038	}
899		1039
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1040	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1041
902	Register a callbackf ro execution when the client sends an extcmd packet.	1042	Register a callback for execution when the client sends an (synchronous)
		1043	extcmd packet. Ext commands will be processed in the order they are
		1044	received by the server, like other user commands. The first argument is
		1045	the logged-in player. Ext commands can only be processed after a player
		1046	has logged in successfully.
903		1047
904	If the callback returns something, it is sent back as if reply was being	1048	If the callback returns something, it is sent back as if reply was being
905	called.	1049	called.
906		1050
		1051	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1052
		1053	Register a callback for execution when the client sends an (asynchronous)
		1054	exticmd packet. Exti commands are processed by the server as soon as they
		1055	are received, i.e. out of order w.r.t. other commands. The first argument
		1056	is a client socket. Exti commands can be received anytime, even before
		1057	log-in.
		1058
		1059	If the callback returns something, it is sent back as if reply was being
		1060	called.
		1061
907	=cut	1062	=cut
908		1063
909	sub register_extcmd {	1064	sub register_extcmd {
910	my ($name, $cb) = @_;	1065	my ($name, $cb) = @_;
911		1066
912	$EXTCMD{$name} = $cb;	1067	$EXTCMD{$name} = $cb;
		1068	}
		1069
		1070	sub register_exticmd {
		1071	my ($name, $cb) = @_;
		1072
		1073	$EXTICMD{$name} = $cb;
913	}	1074	}
914		1075
915	cf::player->attach (	1076	cf::player->attach (
916	on_command => sub {	1077	on_command => sub {
917	my ($pl, $name, $params) = @_;	1078	my ($pl, $name, $params) = @_;
…		…
942		1103
943	cf::override;	1104	cf::override;
944	},	1105	},
945	);	1106	);
946		1107
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 {	1108	sub load_extensions {
		1109	cf::sync_job {
		1110	my %todo;
		1111
982	for my $ext (<$LIBDIR/*.ext>) {	1112	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1113	next unless -r $path;
984	eval {	1114
985	load_extension $ext;	1115	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1116	my $base = $1;
		1117	my $pkg = $1;
		1118	$pkg =~ s/[^[:word:]]/_/g;
		1119	$pkg = "ext::$pkg";
		1120
		1121	open my $fh, "<:utf8", $path
		1122	or die "$path: $!";
		1123
		1124	my $source = do { local $/; <$fh> };
		1125
		1126	my %ext = (
		1127	path => $path,
		1128	base => $base,
		1129	pkg => $pkg,
		1130	);
		1131
		1132	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1133	if $source =~ /\A#!.?perl.?#\s(.)$/m;
		1134
		1135	$ext{source} =
		1136	"package $pkg; use strict; use utf8;\n"
		1137	. "#line 1 \"$path\"\n{\n"
		1138	. $source
		1139	. "\n};\n1";
		1140
		1141	$todo{$base} = \%ext;
		1142	}
		1143
		1144	my %done;
		1145	while (%todo) {
		1146	my $progress;
		1147
		1148	while (my ($k, $v) = each %todo) {
		1149	for (split /,\s*/, $v->{meta}{depends}) {
		1150	goto skip
		1151	unless exists $done{$_};
		1152	}
		1153
		1154	warn "... loading '$k' into '$v->{pkg}'\n";
		1155
		1156	unless (eval $v->{source}) {
		1157	my $msg = $@ ? "$v->{path}: $@\n"
		1158	: "$v->{base}: extension inactive.\n";
		1159
		1160	if (exists $v->{meta}{mandatory}) {
		1161	warn $msg;
		1162	warn "mandatory extension failed to load, exiting.\n";
		1163	exit 1;
		1164	}
		1165
		1166	warn $msg;
		1167	}
		1168
		1169	$done{$k} = delete $todo{$k};
		1170	push @EXTS, $v->{pkg};
		1171	$progress = 1;
986	1	1172	}
987	} or warn "$ext not loaded: $@";	1173
		1174	skip:
		1175	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1176	unless $progress;
		1177	}
988	}	1178	};
989	}	1179	}
990		1180
991	#############################################################################	1181	#############################################################################
		1182
		1183	=back
992		1184
993	=head2 CORE EXTENSIONS	1185	=head2 CORE EXTENSIONS
994		1186
995	Functions and methods that extend core crossfire objects.	1187	Functions and methods that extend core crossfire objects.
996		1188
…		…
1184	}	1376	}
1185		1377
1186	\@paths	1378	\@paths
1187	}	1379	}
1188		1380
		1381	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1382
		1383	Expand crossfire pod fragments into protocol xml.
		1384
		1385	=cut
		1386
		1387	sub expand_cfpod {
		1388	((my $self), (local $_)) = @_;
		1389
		1390	# escape & and <
		1391	s/&/&/g;
		1392	s/(?<![BIUGH])</</g;
		1393
		1394	# this is buggy, it needs to properly take care of nested <'s
		1395
		1396	1 while
		1397	# replace B<>, I<>, U<> etc.
		1398	s/B<([^\>]*)>/<b>$1<\/b>/
		1399	\|\| s/I<([^\>]*)>/<i>$1<\/i>/
		1400	\|\| s/U<([^\>]*)>/<u>$1<\/u>/
		1401	# replace G<male\|female> tags
		1402	\|\| s{G<([^>\|])\\|([^>])>}{
		1403	$self->gender ? $2 : $1
		1404	}ge
		1405	# replace H<hint text>
		1406	\|\| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
		1407
		1408	# create single paragraphs (very hackish)
		1409	s/(?<=\S)\n(?=\w)/ /g;
		1410
		1411	$_
		1412	}
		1413
1189	=item $player->ext_reply ($msgid, %msg)	1414	=item $player->ext_reply ($msgid, %msg)
1190		1415
1191	Sends an ext reply to the player.	1416	Sends an ext reply to the player.
1192		1417
1193	=cut	1418	=cut
1194		1419
1195	sub ext_reply($$%) {	1420	sub ext_reply($$%) {
1196	my ($self, $id, %msg) = @_;	1421	my ($self, $id, %msg) = @_;
1197		1422
1198	$msg{msgid} = $id;	1423	$msg{msgid} = $id;
1199
1200	$self->send ("ext " . cf::to_json \%msg);	1424	$self->send ("ext " . cf::to_json \%msg);
1201	}	1425	}
1202		1426
1203	=item $player->ext_event ($type, %msg)	1427	=item $player->ext_event ($type, %msg)
1204		1428
…		…
1220		1444
1221	package cf::region;	1445	package cf::region;
1222		1446
1223	=item cf::region::find_by_path $path	1447	=item cf::region::find_by_path $path
1224		1448
1225	Tries to decuce the probable region for a map knowing only its path.	1449	Tries to decuce the likely region for a map knowing only its path.
1226		1450
1227	=cut	1451	=cut
1228		1452
1229	sub find_by_path($) {	1453	sub find_by_path($) {
1230	my ($path) = @_;	1454	my ($path) = @_;
…		…
1304	my ($self, $merge) = @_;	1528	my ($self, $merge) = @_;
1305		1529
1306	# we have to keep some variables in memory intact	1530	# we have to keep some variables in memory intact
1307	local $self->{path};	1531	local $self->{path};
1308	local $self->{load_path};	1532	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1533
1312	$self->SUPER::thawer_merge ($merge);	1534	$self->SUPER::thawer_merge ($merge);
1313	}	1535	}
1314		1536
1315	sub normalise {	1537	sub normalise {
…		…
1415		1637
1416	$_->change_map_light ($change)	1638	$_->change_map_light ($change)
1417	for grep $_->outdoor, values %cf::MAP;	1639	for grep $_->outdoor, values %cf::MAP;
1418	}	1640	}
1419		1641
		1642	sub decay_objects {
		1643	my ($self) = @_;
		1644
		1645	return if $self->{deny_reset};
		1646
		1647	$self->do_decay_objects;
		1648	}
		1649
1420	sub unlink_save {	1650	sub unlink_save {
1421	my ($self) = @_;	1651	my ($self) = @_;
1422		1652
1423	utf8::encode (my $save = $self->save_path);	1653	utf8::encode (my $save = $self->save_path);
1424	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1654	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1480	$self->load_header_orig	1710	$self->load_header_orig
1481	or return;	1711	or return;
1482	$self->prepare_orig;	1712	$self->prepare_orig;
1483	}	1713	}
1484		1714
		1715	$self->{deny_reset} = 1
		1716	if $self->no_reset;
		1717
1485	$self->default_region (cf::region::find_by_path $self->{path})	1718	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	1719	unless $self->default_region;
1487		1720
1488	1	1721	1
1489	}	1722	}
…		…
1504	$map->{last_save} = $cf::RUNTIME;	1737	$map->{last_save} = $cf::RUNTIME;
1505		1738
1506	$map->load_header	1739	$map->load_header
1507	or return;	1740	or return;
1508		1741
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1742	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	1743	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	1744	#$cf::WAIT_FOR_TICK->wait;
1512	$map->reset;	1745	$map->reset;
1513	undef $guard;	1746	undef $guard;
1514	return find $path;	1747	return find $path;
…		…
1581	my ($self, $ob) = @_;	1814	my ($self, $ob) = @_;
1582		1815
1583	return find "~" . $ob->name . "/" . $self->{path}	1816	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	1817	if $self->per_player;
1585		1818
		1819	# return find "?party/" . $ob->name . "/" . $self->{path}
		1820	# if $self->per_party;
		1821
1586	$self	1822	$self
1587	}	1823	}
1588		1824
1589	# find and load all maps in the 3x3 area around a map	1825	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	1826	sub load_diag {
…		…
1700		1936
1701	sub reset_at {	1937	sub reset_at {
1702	my ($self) = @_;	1938	my ($self) = @_;
1703		1939
1704	# TODO: safety, remove and allow resettable per-player maps	1940	# 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};	1941	return 1e99 if $self->{deny_reset};
1707		1942
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1943	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;	1944	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;
1710		1945
…		…
1721	my ($self) = @_;	1956	my ($self) = @_;
1722		1957
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	1958	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		1959
1725	return if $self->players;	1960	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		1961
1728	warn "resetting map ", $self->path;#d#	1962	warn "resetting map ", $self->path;
1729		1963
1730	$self->in_memory (cf::MAP_SWAPPED);	1964	$self->in_memory (cf::MAP_SWAPPED);
1731		1965
1732	# need to save uniques path	1966	# need to save uniques path
1733	unless ($self->{deny_save}) {	1967	unless ($self->{deny_save}) {
…		…
1765	$cf::MAP{$self->path} = $self;	1999	$cf::MAP{$self->path} = $self;
1766		2000
1767	$self->reset; # polite request, might not happen	2001	$self->reset; # polite request, might not happen
1768	}	2002	}
1769		2003
		2004	=item $maps = cf::map::tmp_maps
		2005
		2006	Returns an arrayref with all map paths of currently instantiated and saved
		2007	maps. May block.
		2008
		2009	=cut
		2010
		2011	sub tmp_maps() {
		2012	[
		2013	map {
		2014	utf8::decode $_;
		2015	/\.map$/
		2016	? normalise $_
		2017	: ()
		2018	} @{ aio_readdir $TMPDIR or [] }
		2019	]
		2020	}
		2021
		2022	=item $maps = cf::map::random_maps
		2023
		2024	Returns an arrayref with all map paths of currently instantiated and saved
		2025	random maps. May block.
		2026
		2027	=cut
		2028
		2029	sub random_maps() {
		2030	[
		2031	map {
		2032	utf8::decode $_;
		2033	/\.map$/
		2034	? normalise "?random/$_"
		2035	: ()
		2036	} @{ aio_readdir $RANDOMDIR or [] }
		2037	]
		2038	}
		2039
1770	=item cf::map::unique_maps	2040	=item cf::map::unique_maps
1771		2041
1772	Returns an arrayref of paths of all shared maps that have	2042	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2043	instantiated unique items. May block.
1774		2044
1775	=cut	2045	=cut
1776		2046
1777	sub unique_maps() {	2047	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2048	[
1779	or return;	2049	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2050	utf8::decode $_;
1785	next if /\.pst$/;	2051	/\.map$/
1786	next unless /^$PATH_SEP/o;	2052	? normalise $_
1787		2053	: ()
1788	push @paths, cf::map::normalise $_;	2054	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2055	]
1790
1791	\@paths
1792	}	2056	}
1793		2057
1794	package cf;	2058	package cf;
1795		2059
1796	=back	2060	=back
…		…
1842		2106
1843	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;	2107	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;
1844		2108
1845	if ($self->{record_replies}) {	2109	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2110	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2111
1847	} else {	2112	} else {
		2113	my $pl = $self->contr;
		2114
		2115	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2116	my $diag = $pl->{npc_dialog};
		2117	$diag->{pl}->ext_reply (
		2118	$diag->{id},
		2119	msgtype => "reply",
		2120	msg => $diag->{pl}->expand_cfpod ($msg),
		2121	add_topics => []
		2122	);
		2123
		2124	} else {
1848	$msg = $npc->name . " says: $msg" if $npc;	2125	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2126	$self->message ($msg, $flags);
		2127	}
1850	}	2128	}
1851	}	2129	}
1852		2130
1853	=item $player_object->may ("access")	2131	=item $player_object->may ("access")
1854		2132
…		…
2099		2377
2100	utf8::encode $text;	2378	utf8::encode $text;
2101	$self->send_packet (sprintf "drawinfo %d %s", $flags \|\| cf::NDI_BLACK, $text);	2379	$self->send_packet (sprintf "drawinfo %d %s", $flags \|\| cf::NDI_BLACK, $text);
2102	}	2380	}
2103		2381
		2382	=item $client->send_msg ($color, $type, $msg, [extra...])
		2383
		2384	Send a drawinfo or msg packet to the client, formatting the msg for the
		2385	client if neccessary. C<$type> should be a string identifying the type of
		2386	the message, with C<log> being the default. If C<$color> is negative, suppress
		2387	the message unless the client supports the msg packet.
		2388
		2389	=cut
		2390
		2391	sub cf::client::send_msg {
		2392	my ($self, $color, $type, $msg, @extra) = @_;
		2393
		2394	$msg = $self->pl->expand_cfpod ($msg);
		2395
		2396	if ($self->can_msg) {
		2397	$self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);
		2398	} else {
		2399	# replace some tags by gcfclient-compatible ones
		2400	for ($msg) {
		2401	1 while
		2402	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2403	\|\| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2404	\|\| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2405	\|\| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2406	\|\| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2407	}
		2408
		2409	if ($color >= 0) {
		2410	if (0 && $msg =~ /\[/) {
		2411	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2412	} else {
		2413	$msg =~ s/\[\/?(?:b\|i\|u\|fixed\|color)[^\]]*\]//g;
		2414	$self->send_packet ("drawinfo $color $msg")
		2415	}
		2416	}
		2417	}
		2418	}
		2419
2104	=item $client->ext_event ($type, %msg)	2420	=item $client->ext_event ($type, %msg)
2105		2421
2106	Sends an exti event to the client.	2422	Sends an ext event to the client.
2107		2423
2108	=cut	2424	=cut
2109		2425
2110	sub cf::client::ext_event($$%) {	2426	sub cf::client::ext_event($$%) {
2111	my ($self, $type, %msg) = @_;	2427	my ($self, $type, %msg) = @_;
…		…
2118		2434
2119	Queues a query to the client, calling the given callback with	2435	Queues a query to the client, calling the given callback with
2120	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2436	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2121	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2437	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2122		2438
2123	Queries can fail, so check the return code. Or don't, as queries will become	2439	Queries can fail, so check the return code. Or don't, as queries will
2124	reliable at some point in the future.	2440	become reliable at some point in the future.
2125		2441
2126	=cut	2442	=cut
2127		2443
2128	sub cf::client::query {	2444	sub cf::client::query {
2129	my ($self, $flags, $text, $cb) = @_;	2445	my ($self, $flags, $text, $cb) = @_;
…		…
2137	utf8::encode $text;	2453	utf8::encode $text;
2138	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2454	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139		2455
2140	$self->send_packet ($self->{query_queue}[0][0])	2456	$self->send_packet ($self->{query_queue}[0][0])
2141	if @{ $self->{query_queue} } == 1;	2457	if @{ $self->{query_queue} } == 1;
		2458
		2459	1
2142	}	2460	}
2143		2461
2144	cf::client->attach (	2462	cf::client->attach (
2145	on_reply => sub {	2463	on_reply => sub {
2146	my ($ns, $msg) = @_;	2464	my ($ns, $msg) = @_;
…		…
2160	$ns->send_packet ($ns->{query_queue}[0][0]);	2478	$ns->send_packet ($ns->{query_queue}[0][0]);
2161	} else {	2479	} else {
2162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2480	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163	}	2481	}
2164	}	2482	}
		2483	},
		2484	on_exticmd => sub {
		2485	my ($ns, $buf) = @_;
		2486
		2487	my $msg = eval { from_json $buf };
		2488
		2489	if (ref $msg) {
		2490	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2491	if (my %reply = $cb->($ns, $msg)) {
		2492	$reply{msgid} = $msg->{msgid};
		2493	$ns->send ("ext " . cf::to_json \%reply);
		2494	}
		2495	}
		2496	} else {
		2497	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2498	}
		2499
		2500	cf::override;
2165	},	2501	},
2166	);	2502	);
2167		2503
2168	=item $client->async (\&cb)	2504	=item $client->async (\&cb)
2169		2505
…		…
2308	=back	2644	=back
2309		2645
2310	=cut	2646	=cut
2311		2647
2312	#############################################################################	2648	#############################################################################
2313
2314	=head2 EXTENSION DATABASE SUPPORT
2315
2316	Crossfire maintains a very simple database for extension use. It can
2317	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2318	convert to/from binary).
2319
2320	The parameter C<$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 $@;
2480	_exit 0;
2481	}
2482	}
2483
2484	#############################################################################
2485	# the server's init and main functions	2649	# the server's init and main functions
2486		2650
2487	sub load_facedata($) {	2651	sub load_facedata($) {
2488	my ($path) = @_;	2652	my ($path) = @_;
2489		2653
…		…
2501	{	2665	{
2502	my $faces = $facedata->{faceinfo};	2666	my $faces = $facedata->{faceinfo};
2503		2667
2504	while (my ($face, $info) = each %$faces) {	2668	while (my ($face, $info) = each %$faces) {
2505	my $idx = (cf::face::find $face) \|\| cf::face::alloc $face;	2669	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};	2670	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2671	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2672	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2510	Coro::cede;	2673	Coro::cede;
2511	}	2674	}
…		…
2560	sub reload_resources {	2723	sub reload_resources {
2561	warn "reloading resource files...\n";	2724	warn "reloading resource files...\n";
2562		2725
2563	reload_regions;	2726	reload_regions;
2564	reload_facedata;	2727	reload_facedata;
		2728	#reload_archetypes;#d#
2565	reload_archetypes;	2729	reload_archetypes;
2566	reload_treasures;	2730	reload_treasures;
2567		2731
2568	warn "finished reloading resource files\n";	2732	warn "finished reloading resource files\n";
2569	}	2733	}
…		…
2626	},	2790	},
2627	);	2791	);
2628	}	2792	}
2629	}	2793	}
2630		2794
		2795	sub write_runtime {
		2796	my $runtime = "$LOCALDIR/runtime";
		2797
		2798	# first touch the runtime file to show we are still running:
		2799	# the fsync below can take a very very long time.
		2800
		2801	IO::AIO::aio_utime $runtime, undef, undef;
		2802
		2803	my $guard = cf::lock_acquire "write_runtime";
		2804
		2805	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644
		2806	or return;
		2807
		2808	my $value = $cf::RUNTIME + 90 + 10;
		2809	# 10 is the runtime save interval, for a monotonic clock
		2810	# 60 allows for the watchdog to kill the server.
		2811
		2812	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2813	and return;
		2814
		2815	# always fsync - this file is important
		2816	aio_fsync $fh
		2817	and return;
		2818
		2819	# touch it again to show we are up-to-date
		2820	aio_utime $fh, undef, undef;
		2821
		2822	close $fh
		2823	or return;
		2824
		2825	aio_rename "$runtime~", $runtime
		2826	and return;
		2827
		2828	warn "runtime file written.\n";
		2829
		2830	1
		2831	}
		2832
2631	sub emergency_save() {	2833	sub emergency_save() {
2632	my $freeze_guard = cf::freeze_mainloop;	2834	my $freeze_guard = cf::freeze_mainloop;
2633		2835
2634	warn "enter emergency perl save\n";	2836	warn "enter emergency perl save\n";
2635		2837
…		…
2710	%EXT_CORO = ();	2912	%EXT_CORO = ();
2711		2913
2712	warn "removing commands";	2914	warn "removing commands";
2713	%COMMAND = ();	2915	%COMMAND = ();
2714		2916
2715	warn "removing ext commands";	2917	warn "removing ext/exti commands";
2716	%EXTCMD = ();	2918	%EXTCMD = ();
		2919	%EXTICMD = ();
2717		2920
2718	warn "unloading/nuking all extensions";	2921	warn "unloading/nuking all extensions";
2719	for my $pkg (@EXTS) {	2922	for my $pkg (@EXTS) {
2720	warn "... unloading $pkg";	2923	warn "... unloading $pkg";
2721		2924

Diff Legend

-–
+Removed lines
-+
+Added lines
-<
+Changed lines
->
+Changed lines

Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.272 by root, Sun Jun 3 15:32:50 2007 UTC vs. Revision 1.287 by root, Mon Jun 25 05:43:45 2007 UTC

Diff Legend

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.272 by root, Sun Jun 3 15:32:50 2007 UTC vs.
Revision 1.287 by root, Mon Jun 25 05:43:45 2007 UTC