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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.269 by root, Tue May 22 21:35:26 2007 UTC vs.
Revision 1.291 by root, Tue Jul 3 00:54:44 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 ();
…		…
49	our %COMMAND = ();	50	our %COMMAND = ();
50	our %COMMAND_TIME = ();	51	our %COMMAND_TIME = ();
51		52
52	our @EXTS = (); # list of extension package names	53	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	54	our %EXTCMD = ();
		55	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	56	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	57	our %EXT_MAP = (); # pluggable maps
56		58
57	our $RELOAD; # number of reloads so far	59	our $RELOAD; # number of reloads so far
58	our @EVENT;	60	our @EVENT;
…		…
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	193	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		194	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	195	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		196
194	# we bless all objects into (empty) derived classes to force a method lookup	197	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	198	# within the Safe compartment.
196	for my $pkg (qw(	199	for my $pkg (qw(
197	cf::global cf::attachable	200	cf::global cf::attachable
…		…
205	}	208	}
206		209
207	$Event::DIED = sub {	210	$Event::DIED = sub {
208	warn "error in event callback: @_";	211	warn "error in event callback: @_";
209	};	212	};
		213
		214	#############################################################################
210		215
211	=head2 UTILITY FUNCTIONS	216	=head2 UTILITY FUNCTIONS
212		217
213	=over 4	218	=over 4
214		219
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	239	$d
235	} \|\| "[unable to dump $_[0]: '$@']";	240	} \|\| "[unable to dump $_[0]: '$@']";
236	}	241	}
237		242
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
241		244
242	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
243		246
244	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
245		248
246	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
		250
		251	=cut
		252
		253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		254
		255	sub to_json ($) { $json_coder->encode ($_[0]) }
		256	sub from_json ($) { $json_coder->decode ($_[0]) }
247		257
248	=item cf::lock_wait $string	258	=item cf::lock_wait $string
249		259
250	Wait until the given lock is available. See cf::lock_acquire.	260	Wait until the given lock is available. See cf::lock_acquire.
251		261
…		…
317		327
318	BEGIN { *async = \&Coro::async_pool }	328	BEGIN { *async = \&Coro::async_pool }
319		329
320	=item cf::sync_job { BLOCK }	330	=item cf::sync_job { BLOCK }
321		331
322	The design of crossfire+ requires that the main coro ($Coro::main) is	332	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	333	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.	334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		335	acceptable.
325		336
326	If it must be done, put the blocking parts into C<sync_job>. This will run	337	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	338	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	339	server will be frozen during this time, so the block should either finish
329	fast or be very important.	340	fast or be very important.
…		…
389	$EXT_CORO{$coro+0} = $coro;	400	$EXT_CORO{$coro+0} = $coro;
390		401
391	$coro	402	$coro
392	}	403	}
393		404
394	sub write_runtime {	405	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		406
397	# first touch the runtime file to show we are still running:	407	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	408	process, returning the results. Everything must be serialisable with
		409	Coro::Storable. May, of course, block. Note that the executed sub may
		410	never block itself or use any form of Event handling.
399		411
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	412	=cut
401	utime undef, undef, $fh;
402	}
403		413
404	my $guard = cf::lock_acquire "write_runtime";	414	sub fork_call(&@) {
		415	my ($cb, @args) = @_;
405		416
406	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644	417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
407	or return;	418	# or die "socketpair: $!";
		419	pipe my $fh1, my $fh2
		420	or die "pipe: $!";
408		421
409	my $value = $cf::RUNTIME + 90 + 10;	422	if (my $pid = fork) {
410	# 10 is the runtime save interval, for a monotonic clock
411	# 60 allows for the watchdog to kill the server.
412
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0
414	and return;
415
416	# always fsync - this file is important
417	aio_fsync $fh
418	and return;
419
420	# touch it again to show we are up-to-date
421	utime undef, undef, $fh;
422
423	close $fh	423	close $fh2;
424	or return;
425		424
426	aio_rename "$runtime~", $runtime	425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
427	and return;	426	$res = Coro::Storable::thaw $res;
428		427
429	warn "runtime file written.\n";#d#	428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
430		429
		430	die $$res unless "ARRAY" eq ref $res;
		431
		432	return wantarray ? @$res : $res->[-1];
		433	} else {
		434	reset_signals;
		435	local $SIG{__WARN__};
		436	local $SIG{__DIE__};
		437	eval {
		438	close $fh1;
		439
		440	my @res = eval { $cb->(@args) };
		441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		442	};
		443
		444	warn $@ if $@;
		445	_exit 0;
431	1	446	}
		447	}
		448
		449	=item $value = cf::db_get $family => $key
		450
		451	Returns a single value from the environment database.
		452
		453	=item cf::db_put $family => $key => $value
		454
		455	Stores the given C<$value> in the family. It can currently store binary
		456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		457
		458	=cut
		459
		460	our $DB;
		461
		462	sub db_init {
		463	unless ($DB) {
		464	$DB = BDB::db_create $DB_ENV;
		465
		466	cf::sync_job {
		467	eval {
		468	$DB->set_flags (BDB::CHKSUM);
		469
		470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		471	BDB::CREATE \| BDB::AUTO_COMMIT, 0666;
		472	cf::cleanup "db_open(db): $!" if $!;
		473	};
		474	cf::cleanup "db_open(db): $@" if $@;
		475	};
		476	}
		477	}
		478
		479	sub db_get($$) {
		480	my $key = "$_[0]/$_[1]";
		481
		482	cf::sync_job {
		483	BDB::db_get $DB, undef, $key, my $data;
		484
		485	$! ? ()
		486	: $data
		487	}
		488	}
		489
		490	sub db_put($$$) {
		491	BDB::dbreq_pri 4;
		492	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		493	}
		494
		495	=item cf::cache $id => [$paths...], $processversion => $process
		496
		497	Generic caching function that returns the value of the resource $id,
		498	caching and regenerating as required.
		499
		500	This function can block.
		501
		502	=cut
		503
		504	sub cache {
		505	my ($id, $src, $processversion, $process) = @_;
		506
		507	my $meta =
		508	join "\x00",
		509	$processversion,
		510	map {
		511	aio_stat $_
		512	and Carp::croak "$_: $!";
		513
		514	($_, (stat _)[7,9])
		515	} @$src;
		516
		517	my $dbmeta = db_get cache => "$id/meta";
		518	if ($dbmeta ne $meta) {
		519	# changed, we may need to process
		520
		521	my @data;
		522	my $md5;
		523
		524	for (0 .. $#$src) {
		525	0 <= aio_load $src->[$_], $data[$_]
		526	or Carp::croak "$src->[$_]: $!";
		527	}
		528
		529	# if processing is expensive, check
		530	# checksum first
		531	if (1) {
		532	$md5 =
		533	join "\x00",
		534	$processversion,
		535	map {
		536	Coro::cede;
		537	($src->[$_], Digest::MD5::md5_hex $data[$_])
		538	} 0.. $#$src;
		539
		540
		541	my $dbmd5 = db_get cache => "$id/md5";
		542	if ($dbmd5 eq $md5) {
		543	db_put cache => "$id/meta", $meta;
		544
		545	return db_get cache => "$id/data";
		546	}
		547	}
		548
		549	my $t1 = Time::HiRes::time;
		550	my $data = $process->(\@data);
		551	my $t2 = Time::HiRes::time;
		552
		553	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		554
		555	db_put cache => "$id/data", $data;
		556	db_put cache => "$id/md5" , $md5;
		557	db_put cache => "$id/meta", $meta;
		558
		559	return $data;
		560	}
		561
		562	db_get cache => "$id/data"
432	}	563	}
433		564
434	=item cf::datalog type => key => value, ...	565	=item cf::datalog type => key => value, ...
435		566
436	Log a datalog packet of the given type with the given key-value pairs.	567	Log a datalog packet of the given type with the given key-value pairs.
…		…
454	attach callbacks/event handlers (a collection of which is called an "attachment")	585	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	586	to it. All such attachable objects support the following methods.
456		587
457	In the following description, CLASS can be any of C<global>, C<object>	588	In the following description, CLASS can be any of C<global>, C<object>
458	C<player>, C<client> or C<map> (i.e. the attachable objects in	589	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	590	Crossfire TRT).
460		591
461	=over 4	592	=over 4
462		593
463	=item $attachable->attach ($attachment, key => $value...)	594	=item $attachable->attach ($attachment, key => $value...)
464		595
…		…
666	_attach $registry, $klass, @attach;	797	_attach $registry, $klass, @attach;
667	}	798	}
668		799
669	$obj->{$name} = \%arg;	800	$obj->{$name} = \%arg;
670	} else {	801	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	802	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	803	}
673		804
674	$obj->{_attachment}{$name} = undef;	805	$obj->{_attachment}{$name} = undef;
675	}	806	}
676		807
…		…
874	or return;	1005	or return;
875	$av = eval { (Storable::thaw $av)->{objs} };	1006	$av = eval { (Storable::thaw $av)->{objs} };
876	}	1007	}
877		1008
878	warn sprintf "loading %s (%d)\n",	1009	warn sprintf "loading %s (%d)\n",
879	$filename, length $data, scalar @{$av \|\| []};#d#	1010	$filename, length $data, scalar @{$av \|\| []};
880	return ($data, $av);	1011	return ($data, $av);
881	}	1012	}
		1013
		1014	=head2 COMMAND CALLBACKS
		1015
		1016	=over 4
		1017
		1018	=cut
882		1019
883	#############################################################################	1020	#############################################################################
884	# command handling &c	1021	# command handling &c
885		1022
886	=item cf::register_command $name => \&callback($ob,$args);	1023	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1036	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1037	}
901		1038
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1039	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1040
904	Register a callbackf ro execution when the client sends an extcmd packet.	1041	Register a callback for execution when the client sends an (synchronous)
		1042	extcmd packet. Ext commands will be processed in the order they are
		1043	received by the server, like other user commands. The first argument is
		1044	the logged-in player. Ext commands can only be processed after a player
		1045	has logged in successfully.
905		1046
906	If the callback returns something, it is sent back as if reply was being	1047	If the callback returns something, it is sent back as if reply was being
907	called.	1048	called.
908		1049
		1050	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1051
		1052	Register a callback for execution when the client sends an (asynchronous)
		1053	exticmd packet. Exti commands are processed by the server as soon as they
		1054	are received, i.e. out of order w.r.t. other commands. The first argument
		1055	is a client socket. Exti commands can be received anytime, even before
		1056	log-in.
		1057
		1058	If the callback returns something, it is sent back as if reply was being
		1059	called.
		1060
909	=cut	1061	=cut
910		1062
911	sub register_extcmd {	1063	sub register_extcmd {
912	my ($name, $cb) = @_;	1064	my ($name, $cb) = @_;
913		1065
914	$EXTCMD{$name} = $cb;	1066	$EXTCMD{$name} = $cb;
		1067	}
		1068
		1069	sub register_exticmd {
		1070	my ($name, $cb) = @_;
		1071
		1072	$EXTICMD{$name} = $cb;
915	}	1073	}
916		1074
917	cf::player->attach (	1075	cf::player->attach (
918	on_command => sub {	1076	on_command => sub {
919	my ($pl, $name, $params) = @_;	1077	my ($pl, $name, $params) = @_;
…		…
928	cf::override;	1086	cf::override;
929	},	1087	},
930	on_extcmd => sub {	1088	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1089	my ($pl, $buf) = @_;
932		1090
933	my $msg = eval { from_json $buf };	1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1092
935	if (ref $msg) {	1093	if (ref $msg) {
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
937	if (my %reply = $cb->($pl, $msg)) {	1095	if (my %reply = $cb->($pl, $msg)) {
938	$pl->ext_reply ($msg->{msgid}, %reply);	1096	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
944		1102
945	cf::override;	1103	cf::override;
946	},	1104	},
947	);	1105	);
948		1106
949	sub load_extension {
950	my ($path) = @_;
951
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
953	my $base = $1;
954	my $pkg = $1;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.perl.#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}
977	die $@;
978	}
979
980	push @EXTS, $pkg;
981	}
982
983	sub load_extensions {	1107	sub load_extensions {
		1108	cf::sync_job {
		1109	my %todo;
		1110
984	for my $ext (<$LIBDIR/*.ext>) {	1111	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1112	next unless -r $path;
986	eval {	1113
987	load_extension $ext;	1114	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1115	my $base = $1;
		1116	my $pkg = $1;
		1117	$pkg =~ s/[^[:word:]]/_/g;
		1118	$pkg = "ext::$pkg";
		1119
		1120	open my $fh, "<:utf8", $path
		1121	or die "$path: $!";
		1122
		1123	my $source = do { local $/; <$fh> };
		1124
		1125	my %ext = (
		1126	path => $path,
		1127	base => $base,
		1128	pkg => $pkg,
		1129	);
		1130
		1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1132	if $source =~ /\A#!.?perl.?#\s(.)$/m;
		1133
		1134	$ext{source} =
		1135	"package $pkg; use strict; use utf8;\n"
		1136	. "#line 1 \"$path\"\n{\n"
		1137	. $source
		1138	. "\n};\n1";
		1139
		1140	$todo{$base} = \%ext;
		1141	}
		1142
		1143	my %done;
		1144	while (%todo) {
		1145	my $progress;
		1146
		1147	while (my ($k, $v) = each %todo) {
		1148	for (split /,\s*/, $v->{meta}{depends}) {
		1149	goto skip
		1150	unless exists $done{$_};
		1151	}
		1152
		1153	warn "... loading '$k' into '$v->{pkg}'\n";
		1154
		1155	unless (eval $v->{source}) {
		1156	my $msg = $@ ? "$v->{path}: $@\n"
		1157	: "$v->{base}: extension inactive.\n";
		1158
		1159	if (exists $v->{meta}{mandatory}) {
		1160	warn $msg;
		1161	warn "mandatory extension failed to load, exiting.\n";
		1162	exit 1;
		1163	}
		1164
		1165	warn $msg;
		1166	}
		1167
		1168	$done{$k} = delete $todo{$k};
		1169	push @EXTS, $v->{pkg};
		1170	$progress = 1;
988	1	1171	}
989	} or warn "$ext not loaded: $@";	1172
		1173	skip:
		1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1175	unless $progress;
		1176	}
990	}	1177	};
991	}	1178	}
992		1179
993	#############################################################################	1180	#############################################################################
		1181
		1182	=back
994		1183
995	=head2 CORE EXTENSIONS	1184	=head2 CORE EXTENSIONS
996		1185
997	Functions and methods that extend core crossfire objects.	1186	Functions and methods that extend core crossfire objects.
998		1187
…		…
1186	}	1375	}
1187		1376
1188	\@paths	1377	\@paths
1189	}	1378	}
1190		1379
		1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1381
		1382	Expand crossfire pod fragments into protocol xml.
		1383
		1384	=cut
		1385
		1386	sub expand_cfpod {
		1387	((my $self), (local $_)) = @_;
		1388
		1389	# escape & and <
		1390	s/&/&/g;
		1391	s/(?<![BIUGH])</</g;
		1392
		1393	# this is buggy, it needs to properly take care of nested <'s
		1394
		1395	1 while
		1396	# replace B<>, I<>, U<> etc.
		1397	s/B<([^\>]*)>/<b>$1<\/b>/
		1398	\|\| s/I<([^\>]*)>/<i>$1<\/i>/
		1399	\|\| s/U<([^\>]*)>/<u>$1<\/u>/
		1400	# replace G<male\|female> tags
		1401	\|\| s{G<([^>\|])\\|([^>])>}{
		1402	$self->gender ? $2 : $1
		1403	}ge
		1404	# replace H<hint text>
		1405	\|\| s{H<([^\>]*)>}
		1406	{
		1407	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1409	"")
		1410	[$self->{hintmode}]
		1411	}ge;
		1412
		1413	# create single paragraphs (very hackish)
		1414	s/(?<=\S)\n(?=\w)/ /g;
		1415
		1416	# compress some whitespace
		1417	1 while s/\s\n\s\n\s*/\n/;
		1418
		1419	$_
		1420	}
		1421
		1422	sub hintmode {
		1423	warn "hm<$_[0] $_[1]>\n";#d#
		1424	$_[0]{hintmode} = $_[1] if @_ > 1;
		1425	$_[0]{hintmode}
		1426	}
		1427
1191	=item $player->ext_reply ($msgid, %msg)	1428	=item $player->ext_reply ($msgid, %msg)
1192		1429
1193	Sends an ext reply to the player.	1430	Sends an ext reply to the player.
1194		1431
1195	=cut	1432	=cut
1196		1433
1197	sub ext_reply($$%) {	1434	sub ext_reply($$%) {
1198	my ($self, $id, %msg) = @_;	1435	my ($self, $id, %msg) = @_;
1199		1436
1200	$msg{msgid} = $id;	1437	$msg{msgid} = $id;
1201		1438	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1439	}
1204		1440
1205	=item $player->ext_event ($type, %msg)	1441	=item $player->ext_event ($type, %msg)
1206		1442
1207	Sends an ext event to the client.	1443	Sends an ext event to the client.
…		…
1222		1458
1223	package cf::region;	1459	package cf::region;
1224		1460
1225	=item cf::region::find_by_path $path	1461	=item cf::region::find_by_path $path
1226		1462
1227	Tries to decuce the probable region for a map knowing only its path.	1463	Tries to decuce the likely region for a map knowing only its path.
1228		1464
1229	=cut	1465	=cut
1230		1466
1231	sub find_by_path($) {	1467	sub find_by_path($) {
1232	my ($path) = @_;	1468	my ($path) = @_;
…		…
1306	my ($self, $merge) = @_;	1542	my ($self, $merge) = @_;
1307		1543
1308	# we have to keep some variables in memory intact	1544	# we have to keep some variables in memory intact
1309	local $self->{path};	1545	local $self->{path};
1310	local $self->{load_path};	1546	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1547
1314	$self->SUPER::thawer_merge ($merge);	1548	$self->SUPER::thawer_merge ($merge);
1315	}	1549	}
1316		1550
1317	sub normalise {	1551	sub normalise {
…		…
1417		1651
1418	$_->change_map_light ($change)	1652	$_->change_map_light ($change)
1419	for grep $_->outdoor, values %cf::MAP;	1653	for grep $_->outdoor, values %cf::MAP;
1420	}	1654	}
1421		1655
		1656	sub decay_objects {
		1657	my ($self) = @_;
		1658
		1659	return if $self->{deny_reset};
		1660
		1661	$self->do_decay_objects;
		1662	}
		1663
1422	sub unlink_save {	1664	sub unlink_save {
1423	my ($self) = @_;	1665	my ($self) = @_;
1424		1666
1425	utf8::encode (my $save = $self->save_path);	1667	utf8::encode (my $save = $self->save_path);
1426	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1668	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1482	$self->load_header_orig	1724	$self->load_header_orig
1483	or return;	1725	or return;
1484	$self->prepare_orig;	1726	$self->prepare_orig;
1485	}	1727	}
1486		1728
		1729	$self->{deny_reset} = 1
		1730	if $self->no_reset;
		1731
1487	$self->default_region (cf::region::find_by_path $self->{path})	1732	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	1733	unless $self->default_region;
1489		1734
1490	1	1735	1
1491	}	1736	}
…		…
1506	$map->{last_save} = $cf::RUNTIME;	1751	$map->{last_save} = $cf::RUNTIME;
1507		1752
1508	$map->load_header	1753	$map->load_header
1509	or return;	1754	or return;
1510		1755
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1756	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	1757	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	1758	#$cf::WAIT_FOR_TICK->wait;
1514	$map->reset;	1759	$map->reset;
1515	undef $guard;	1760	undef $guard;
1516	return find $path;	1761	return find $path;
…		…
1583	my ($self, $ob) = @_;	1828	my ($self, $ob) = @_;
1584		1829
1585	return find "~" . $ob->name . "/" . $self->{path}	1830	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	1831	if $self->per_player;
1587		1832
		1833	# return find "?party/" . $ob->name . "/" . $self->{path}
		1834	# if $self->per_party;
		1835
1588	$self	1836	$self
1589	}	1837	}
1590		1838
1591	# find and load all maps in the 3x3 area around a map	1839	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	1840	sub load_diag {
…		…
1702		1950
1703	sub reset_at {	1951	sub reset_at {
1704	my ($self) = @_;	1952	my ($self) = @_;
1705		1953
1706	# TODO: safety, remove and allow resettable per-player maps	1954	# TODO: safety, remove and allow resettable per-player maps
1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1708	return 1e99 if $self->{deny_reset};	1955	return 1e99 if $self->{deny_reset};
1709		1956
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1957	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;	1958	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;
1712		1959
…		…
1723	my ($self) = @_;	1970	my ($self) = @_;
1724		1971
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	1972	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		1973
1727	return if $self->players;	1974	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		1975
1730	warn "resetting map ", $self->path;#d#	1976	warn "resetting map ", $self->path;
1731		1977
1732	$self->in_memory (cf::MAP_SWAPPED);	1978	$self->in_memory (cf::MAP_SWAPPED);
1733		1979
1734	# need to save uniques path	1980	# need to save uniques path
1735	unless ($self->{deny_save}) {	1981	unless ($self->{deny_save}) {
…		…
1767	$cf::MAP{$self->path} = $self;	2013	$cf::MAP{$self->path} = $self;
1768		2014
1769	$self->reset; # polite request, might not happen	2015	$self->reset; # polite request, might not happen
1770	}	2016	}
1771		2017
		2018	=item $maps = cf::map::tmp_maps
		2019
		2020	Returns an arrayref with all map paths of currently instantiated and saved
		2021	maps. May block.
		2022
		2023	=cut
		2024
		2025	sub tmp_maps() {
		2026	[
		2027	map {
		2028	utf8::decode $_;
		2029	/\.map$/
		2030	? normalise $_
		2031	: ()
		2032	} @{ aio_readdir $TMPDIR or [] }
		2033	]
		2034	}
		2035
		2036	=item $maps = cf::map::random_maps
		2037
		2038	Returns an arrayref with all map paths of currently instantiated and saved
		2039	random maps. May block.
		2040
		2041	=cut
		2042
		2043	sub random_maps() {
		2044	[
		2045	map {
		2046	utf8::decode $_;
		2047	/\.map$/
		2048	? normalise "?random/$_"
		2049	: ()
		2050	} @{ aio_readdir $RANDOMDIR or [] }
		2051	]
		2052	}
		2053
1772	=item cf::map::unique_maps	2054	=item cf::map::unique_maps
1773		2055
1774	Returns an arrayref of paths of all shared maps that have	2056	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2057	instantiated unique items. May block.
1776		2058
1777	=cut	2059	=cut
1778		2060
1779	sub unique_maps() {	2061	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2062	[
1781	or return;	2063	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2064	utf8::decode $_;
1787	next if /\.pst$/;	2065	/\.map$/
1788	next unless /^$PATH_SEP/o;	2066	? normalise $_
1789		2067	: ()
1790	push @paths, cf::map::normalise $_;	2068	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2069	]
1792
1793	\@paths
1794	}	2070	}
1795		2071
1796	package cf;	2072	package cf;
1797		2073
1798	=back	2074	=back
…		…
1844		2120
1845	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;	2121	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;
1846		2122
1847	if ($self->{record_replies}) {	2123	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2124	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2125
1849	} else {	2126	} else {
		2127	my $pl = $self->contr;
		2128
		2129	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2130	my $diag = $pl->{npc_dialog};
		2131	$diag->{pl}->ext_reply (
		2132	$diag->{id},
		2133	msgtype => "reply",
		2134	msg => $diag->{pl}->expand_cfpod ($msg),
		2135	add_topics => []
		2136	);
		2137
		2138	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2139	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2140	$self->message ($msg, $flags);
		2141	}
1852	}	2142	}
1853	}	2143	}
1854		2144
1855	=item $player_object->may ("access")	2145	=item $player_object->may ("access")
1856		2146
…		…
1904	$self->deactivate_recursive;	2194	$self->deactivate_recursive;
1905		2195
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2196	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2197
1908	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]	2198	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2199	if $self->map && $self->map->{path} ne "{link}";
1910		2200
1911	$self->enter_map ($LINK_MAP \|\| link_map, 10, 10);	2201	$self->enter_map ($LINK_MAP \|\| link_map, 10, 10);
1912	}	2202	}
1913		2203
1914	sub cf::object::player::leave_link {	2204	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2205	my ($self, $map, $x, $y) = @_;
		2206
		2207	return unless $self->contr->active;
1916		2208
1917	my $link_pos = delete $self->{_link_pos};	2209	my $link_pos = delete $self->{_link_pos};
1918		2210
1919	unless ($map) {	2211	unless ($map) {
1920	# restore original map position	2212	# restore original map position
…		…
1943		2235
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2236	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2237	$self->enter_map ($map, $x, $y);
1946	}	2238	}
1947		2239
1948	cf::player->attach (
1949	on_logout => sub {
1950	my ($pl) = @_;
1951
1952	# abort map switching before logout
1953	if ($pl->ob->{_link_pos}) {
1954	cf::sync_job {
1955	$pl->ob->leave_link
1956	};
1957	}
1958	},
1959	on_login => sub {
1960	my ($pl) = @_;
1961
1962	# try to abort aborted map switching on player login :)
1963	# should happen only on crashes
1964	if ($pl->ob->{_link_pos}) {
1965	$pl->ob->enter_link;
1966	(async {
1967	$pl->ob->reply (undef,
1968	"There was an internal problem at your last logout, "
1969	. "the server will try to bring you to your intended destination in a second.",
1970	cf::NDI_RED);
1971	# we need this sleep as the login has a concurrent enter_exit running
1972	# and this sleep increases chances of the player not ending up in scorn
1973	Coro::Timer::sleep 1;
1974	$pl->ob->leave_link;
1975	})->prio (2);
1976	}
1977	},
1978	);
1979
1980	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2240	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1981		2241
1982	Moves the player to the given map-path and coordinates by first freezing	2242	Moves the player to the given map-path and coordinates by first freezing
1983	her, loading and preparing them map, calling the provided $check callback	2243	her, loading and preparing them map, calling the provided $check callback
1984	that has to return the map if sucecssful, and then unfreezes the player on	2244	that has to return the map if sucecssful, and then unfreezes the player on
1985	the new (success) or old (failed) map position.	2245	the new (success) or old (failed) map position.
1986		2246
1987	=cut	2247	=cut
1988		2248
		2249	our $GOTOGEN;
		2250
1989	sub cf::object::player::goto {	2251	sub cf::object::player::goto {
1990	my ($self, $path, $x, $y, $check) = @_;	2252	my ($self, $path, $x, $y, $check) = @_;
		2253
		2254	# do generation counting so two concurrent goto's will be executed in-order
		2255	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1991		2256
1992	$self->enter_link;	2257	$self->enter_link;
1993		2258
1994	(async {	2259	(async {
1995	my $map = eval {	2260	my $map = eval {
…		…
2008	if ($@) {	2273	if ($@) {
2009	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE \| cf::NDI_RED);	2274	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE \| cf::NDI_RED);
2010	LOG llevError \| logBacktrace, Carp::longmess $@;	2275	LOG llevError \| logBacktrace, Carp::longmess $@;
2011	}	2276	}
2012		2277
		2278	if ($gen == $self->{_goto_generation}) {
		2279	delete $self->{_goto_generation};
2013	$self->leave_link ($map, $x, $y);	2280	$self->leave_link ($map, $x, $y);
		2281	}
2014	})->prio (1);	2282	})->prio (1);
2015	}	2283	}
2016		2284
2017	=item $player_object->enter_exit ($exit_object)	2285	=item $player_object->enter_exit ($exit_object)
2018		2286
…		…
2123		2391
2124	utf8::encode $text;	2392	utf8::encode $text;
2125	$self->send_packet (sprintf "drawinfo %d %s", $flags \|\| cf::NDI_BLACK, $text);	2393	$self->send_packet (sprintf "drawinfo %d %s", $flags \|\| cf::NDI_BLACK, $text);
2126	}	2394	}
2127		2395
		2396	=item $client->send_msg ($color, $type, $msg, [extra...])
		2397
		2398	Send a drawinfo or msg packet to the client, formatting the msg for the
		2399	client if neccessary. C<$type> should be a string identifying the type of
		2400	the message, with C<log> being the default. If C<$color> is negative, suppress
		2401	the message unless the client supports the msg packet.
		2402
		2403	=cut
		2404
		2405	sub cf::client::send_msg {
		2406	my ($self, $color, $type, $msg, @extra) = @_;
		2407
		2408	$msg = $self->pl->expand_cfpod ($msg);
		2409
		2410	if ($self->can_msg) {
		2411	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2412	} else {
		2413	# replace some tags by gcfclient-compatible ones
		2414	for ($msg) {
		2415	1 while
		2416	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2417	\|\| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2418	\|\| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2419	\|\| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2420	\|\| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2421	}
		2422
		2423	if ($color >= 0) {
		2424	if (0 && $msg =~ /\[/) {
		2425	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2426	} else {
		2427	$msg =~ s/\[\/?(?:b\|i\|u\|fixed\|color)[^\]]*\]//g;
		2428	$self->send_packet ("drawinfo $color $msg")
		2429	}
		2430	}
		2431	}
		2432	}
		2433
2128	=item $client->ext_event ($type, %msg)	2434	=item $client->ext_event ($type, %msg)
2129		2435
2130	Sends an exti event to the client.	2436	Sends an ext event to the client.
2131		2437
2132	=cut	2438	=cut
2133		2439
2134	sub cf::client::ext_event($$%) {	2440	sub cf::client::ext_event($$%) {
2135	my ($self, $type, %msg) = @_;	2441	my ($self, $type, %msg) = @_;
2136		2442
2137	$msg{msgtype} = "event_$type";	2443	$msg{msgtype} = "event_$type";
2138	$self->send_packet ("ext " . cf::to_json \%msg);	2444	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
2139	}	2445	}
2140		2446
2141	=item $success = $client->query ($flags, "text", \&cb)	2447	=item $success = $client->query ($flags, "text", \&cb)
2142		2448
2143	Queues a query to the client, calling the given callback with	2449	Queues a query to the client, calling the given callback with
2144	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2450	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2145	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2451	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2146		2452
2147	Queries can fail, so check the return code. Or don't, as queries will become	2453	Queries can fail, so check the return code. Or don't, as queries will
2148	reliable at some point in the future.	2454	become reliable at some point in the future.
2149		2455
2150	=cut	2456	=cut
2151		2457
2152	sub cf::client::query {	2458	sub cf::client::query {
2153	my ($self, $flags, $text, $cb) = @_;	2459	my ($self, $flags, $text, $cb) = @_;
…		…
2161	utf8::encode $text;	2467	utf8::encode $text;
2162	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2468	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2163		2469
2164	$self->send_packet ($self->{query_queue}[0][0])	2470	$self->send_packet ($self->{query_queue}[0][0])
2165	if @{ $self->{query_queue} } == 1;	2471	if @{ $self->{query_queue} } == 1;
		2472
		2473	1
2166	}	2474	}
2167		2475
2168	cf::client->attach (	2476	cf::client->attach (
		2477	on_connect => sub {
		2478	my ($ns) = @_;
		2479
		2480	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2481	},
2169	on_reply => sub {	2482	on_reply => sub {
2170	my ($ns, $msg) = @_;	2483	my ($ns, $msg) = @_;
2171		2484
2172	# this weird shuffling is so that direct followup queries	2485	# this weird shuffling is so that direct followup queries
2173	# get handled first	2486	# get handled first
…		…
2184	$ns->send_packet ($ns->{query_queue}[0][0]);	2497	$ns->send_packet ($ns->{query_queue}[0][0]);
2185	} else {	2498	} else {
2186	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2499	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2187	}	2500	}
2188	}	2501	}
		2502	},
		2503	on_exticmd => sub {
		2504	my ($ns, $buf) = @_;
		2505
		2506	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2507
		2508	if (ref $msg) {
		2509	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2510	if (my %reply = $cb->($ns, $msg)) {
		2511	$reply{msgid} = $msg->{msgid};
		2512	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2513	}
		2514	}
		2515	} else {
		2516	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2517	}
		2518
		2519	cf::override;
2189	},	2520	},
2190	);	2521	);
2191		2522
2192	=item $client->async (\&cb)	2523	=item $client->async (\&cb)
2193		2524
…		…
2332	=back	2663	=back
2333		2664
2334	=cut	2665	=cut
2335		2666
2336	#############################################################################	2667	#############################################################################
2337
2338	=head2 EXTENSION DATABASE SUPPORT
2339
2340	Crossfire maintains a very simple database for extension use. It can
2341	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2342	convert to/from binary).
2343
2344	The parameter C<$family> should best start with the name of the extension
2345	using it, it should be unique.
2346
2347	=over 4
2348
2349	=item $value = cf::db_get $family => $key
2350
2351	Returns a single value from the database.
2352
2353	=item cf::db_put $family => $key => $value
2354
2355	Stores the given C<$value> in the family.
2356
2357	=cut
2358
2359	our $DB;
2360
2361	sub db_init {
2362	unless ($DB) {
2363	$DB = BDB::db_create $DB_ENV;
2364
2365	cf::sync_job {
2366	eval {
2367	$DB->set_flags (BDB::CHKSUM);
2368
2369	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2370	BDB::CREATE \| BDB::AUTO_COMMIT, 0666;
2371	cf::cleanup "db_open(db): $!" if $!;
2372	};
2373	cf::cleanup "db_open(db): $@" if $@;
2374	};
2375	}
2376	}
2377
2378	sub db_get($$) {
2379	my $key = "$_[0]/$_[1]";
2380
2381	cf::sync_job {
2382	BDB::db_get $DB, undef, $key, my $data;
2383
2384	$! ? ()
2385	: $data
2386	}
2387	}
2388
2389	sub db_put($$$) {
2390	BDB::dbreq_pri 4;
2391	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2392	}
2393
2394	=item cf::cache $id => [$paths...], $processversion => $process
2395
2396	Generic caching function that returns the value of the resource $id,
2397	caching and regenerating as required.
2398
2399	This function can block.
2400
2401	=cut
2402
2403	sub cache {
2404	my ($id, $src, $processversion, $process) = @_;
2405
2406	my $meta =
2407	join "\x00",
2408	$processversion,
2409	map {
2410	aio_stat $_
2411	and Carp::croak "$_: $!";
2412
2413	($_, (stat _)[7,9])
2414	} @$src;
2415
2416	my $dbmeta = db_get cache => "$id/meta";
2417	if ($dbmeta ne $meta) {
2418	# changed, we may need to process
2419
2420	my @data;
2421	my $md5;
2422
2423	for (0 .. $#$src) {
2424	0 <= aio_load $src->[$_], $data[$_]
2425	or Carp::croak "$src->[$_]: $!";
2426	}
2427
2428	# if processing is expensive, check
2429	# checksum first
2430	if (1) {
2431	$md5 =
2432	join "\x00",
2433	$processversion,
2434	map {
2435	Coro::cede;
2436	($src->[$_], Digest::MD5::md5_hex $data[$_])
2437	} 0.. $#$src;
2438
2439
2440	my $dbmd5 = db_get cache => "$id/md5";
2441	if ($dbmd5 eq $md5) {
2442	db_put cache => "$id/meta", $meta;
2443
2444	return db_get cache => "$id/data";
2445	}
2446	}
2447
2448	my $t1 = Time::HiRes::time;
2449	my $data = $process->(\@data);
2450	my $t2 = Time::HiRes::time;
2451
2452	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2453
2454	db_put cache => "$id/data", $data;
2455	db_put cache => "$id/md5" , $md5;
2456	db_put cache => "$id/meta", $meta;
2457
2458	return $data;
2459	}
2460
2461	db_get cache => "$id/data"
2462	}
2463
2464	=item fork_call { }, $args
2465
2466	Executes the given code block with the given arguments in a seperate
2467	process, returning the results. Everything must be serialisable with
2468	Coro::Storable. May, of course, block. Note that the executed sub may
2469	never block itself or use any form of Event handling.
2470
2471	=cut
2472
2473	sub fork_call(&@) {
2474	my ($cb, @args) = @_;
2475
2476	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2477	# or die "socketpair: $!";
2478	pipe my $fh1, my $fh2
2479	or die "pipe: $!";
2480
2481	if (my $pid = fork) {
2482	close $fh2;
2483
2484	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2485	$res = Coro::Storable::thaw $res;
2486
2487	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2488
2489	die $$res unless "ARRAY" eq ref $res;
2490
2491	return wantarray ? @$res : $res->[-1];
2492	} else {
2493	reset_signals;
2494	local $SIG{__WARN__};
2495	local $SIG{__DIE__};
2496	eval {
2497	close $fh1;
2498
2499	my @res = eval { $cb->(@args) };
2500	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2501	};
2502
2503	warn $@ if $@;
2504	_exit 0;
2505	}
2506	}
2507
2508
2509
2510	#############################################################################
2511	# the server's init and main functions	2668	# the server's init and main functions
2512		2669
2513	sub load_facedata($) {	2670	sub load_facedata($) {
2514	my ($path) = @_;	2671	my ($path) = @_;
2515		2672
…		…
2573	}	2730	}
2574		2731
2575	sub reload_archetypes {	2732	sub reload_archetypes {
2576	load_resource_file "$DATADIR/archetypes"	2733	load_resource_file "$DATADIR/archetypes"
2577	or die "unable to load archetypes\n";	2734	or die "unable to load archetypes\n";
		2735	#d# NEED to laod twice to resolve forward references
		2736	# this really needs to be done in an extra post-pass
		2737	# (which needs to be synchronous, so solve it differently)
		2738	load_resource_file "$DATADIR/archetypes"
		2739	or die "unable to load archetypes\n";
2578	}	2740	}
2579		2741
2580	sub reload_treasures {	2742	sub reload_treasures {
2581	load_resource_file "$DATADIR/treasures"	2743	load_resource_file "$DATADIR/treasures"
2582	or die "unable to load treasurelists\n";	2744	or die "unable to load treasurelists\n";
…		…
2585	sub reload_resources {	2747	sub reload_resources {
2586	warn "reloading resource files...\n";	2748	warn "reloading resource files...\n";
2587		2749
2588	reload_regions;	2750	reload_regions;
2589	reload_facedata;	2751	reload_facedata;
		2752	#reload_archetypes;#d#
2590	reload_archetypes;	2753	reload_archetypes;
2591	reload_treasures;	2754	reload_treasures;
2592		2755
2593	warn "finished reloading resource files\n";	2756	warn "finished reloading resource files\n";
2594	}	2757	}
…		…
2651	},	2814	},
2652	);	2815	);
2653	}	2816	}
2654	}	2817	}
2655		2818
		2819	sub write_runtime {
		2820	my $runtime = "$LOCALDIR/runtime";
		2821
		2822	# first touch the runtime file to show we are still running:
		2823	# the fsync below can take a very very long time.
		2824
		2825	IO::AIO::aio_utime $runtime, undef, undef;
		2826
		2827	my $guard = cf::lock_acquire "write_runtime";
		2828
		2829	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644
		2830	or return;
		2831
		2832	my $value = $cf::RUNTIME + 90 + 10;
		2833	# 10 is the runtime save interval, for a monotonic clock
		2834	# 60 allows for the watchdog to kill the server.
		2835
		2836	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2837	and return;
		2838
		2839	# always fsync - this file is important
		2840	aio_fsync $fh
		2841	and return;
		2842
		2843	# touch it again to show we are up-to-date
		2844	aio_utime $fh, undef, undef;
		2845
		2846	close $fh
		2847	or return;
		2848
		2849	aio_rename "$runtime~", $runtime
		2850	and return;
		2851
		2852	warn "runtime file written.\n";
		2853
		2854	1
		2855	}
		2856
2656	sub emergency_save() {	2857	sub emergency_save() {
2657	my $freeze_guard = cf::freeze_mainloop;	2858	my $freeze_guard = cf::freeze_mainloop;
2658		2859
2659	warn "enter emergency perl save\n";	2860	warn "enter emergency perl save\n";
2660		2861
…		…
2735	%EXT_CORO = ();	2936	%EXT_CORO = ();
2736		2937
2737	warn "removing commands";	2938	warn "removing commands";
2738	%COMMAND = ();	2939	%COMMAND = ();
2739		2940
2740	warn "removing ext commands";	2941	warn "removing ext/exti commands";
2741	%EXTCMD = ();	2942	%EXTCMD = ();
		2943	%EXTICMD = ();
2742		2944
2743	warn "unloading/nuking all extensions";	2945	warn "unloading/nuking all extensions";
2744	for my $pkg (@EXTS) {	2946	for my $pkg (@EXTS) {
2745	warn "... unloading $pkg";	2947	warn "... unloading $pkg";
2746		2948

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.269 by root, Tue May 22 21:35:26 2007 UTC vs. Revision 1.291 by root, Tue Jul 3 00:54:44 2007 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.269 by root, Tue May 22 21:35:26 2007 UTC vs.
Revision 1.291 by root, Tue Jul 3 00:54:44 2007 UTC