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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.271 by root, Fri Jun 1 06:04:08 2007 UTC vs.
Revision 1.299 by root, Sun Jul 8 14:56:05 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	IO::AIO::aio_utime $runtime, undef, undef;	412	=cut
401		413
402	my $guard = cf::lock_acquire "write_runtime";	414	sub _store_scalar {
403		415	open my $fh, ">", \my $buf
404	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644	416	or die "fork_call: cannot open fh-to-buf in child : $!";
405	or return;	417	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	418	close $fh;
422	or return;
423		419
424	aio_rename "$runtime~", $runtime	420	$buf
425	and return;	421	}
426		422
427	warn "runtime file written.\n";#d#	423	sub fork_call(&@) {
		424	my ($cb, @args) = @_;
428		425
		426	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		427	# or die "socketpair: $!";
		428	pipe my $fh1, my $fh2
		429	or die "pipe: $!";
		430
		431	if (my $pid = fork) {
		432	close $fh2;
		433
		434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		435	warn "pst<$res>" unless $res =~ /^pst/;
		436	$res = Coro::Storable::thaw $res;
		437
		438	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		439
		440	Carp::confess $$res unless "ARRAY" eq ref $res;
		441
		442	return wantarray ? @$res : $res->[-1];
		443	} else {
		444	reset_signals;
		445	local $SIG{__WARN__};
		446	local $SIG{__DIE__};
		447	# just in case, this hack effectively disables event
		448	# in the child. cleaner and slower would be canceling all watchers,
		449	# but this works for the time being.
		450	local $Coro::idle;
		451	$Coro::current->prio (Coro::PRIO_MAX);
		452
		453	eval {
		454	close $fh1;
		455
		456	my @res = eval { $cb->(@args) };
		457
		458	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		459	close $fh2;
		460	};
		461
		462	warn $@ if $@;
		463	_exit 0;
429	1	464	}
		465	}
		466
		467	=item $value = cf::db_get $family => $key
		468
		469	Returns a single value from the environment database.
		470
		471	=item cf::db_put $family => $key => $value
		472
		473	Stores the given C<$value> in the family. It can currently store binary
		474	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		475
		476	=cut
		477
		478	our $DB;
		479
		480	sub db_init {
		481	unless ($DB) {
		482	$DB = BDB::db_create $DB_ENV;
		483
		484	cf::sync_job {
		485	eval {
		486	$DB->set_flags (BDB::CHKSUM);
		487
		488	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		489	BDB::CREATE \| BDB::AUTO_COMMIT, 0666;
		490	cf::cleanup "db_open(db): $!" if $!;
		491	};
		492	cf::cleanup "db_open(db): $@" if $@;
		493	};
		494	}
		495	}
		496
		497	sub db_get($$) {
		498	my $key = "$_[0]/$_[1]";
		499
		500	cf::sync_job {
		501	BDB::db_get $DB, undef, $key, my $data;
		502
		503	$! ? ()
		504	: $data
		505	}
		506	}
		507
		508	sub db_put($$$) {
		509	BDB::dbreq_pri 4;
		510	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		511	}
		512
		513	=item cf::cache $id => [$paths...], $processversion => $process
		514
		515	Generic caching function that returns the value of the resource $id,
		516	caching and regenerating as required.
		517
		518	This function can block.
		519
		520	=cut
		521
		522	sub cache {
		523	my ($id, $src, $processversion, $process) = @_;
		524
		525	my $meta =
		526	join "\x00",
		527	$processversion,
		528	map {
		529	aio_stat $_
		530	and Carp::croak "$_: $!";
		531
		532	($_, (stat _)[7,9])
		533	} @$src;
		534
		535	my $dbmeta = db_get cache => "$id/meta";
		536	if ($dbmeta ne $meta) {
		537	# changed, we may need to process
		538
		539	my @data;
		540	my $md5;
		541
		542	for (0 .. $#$src) {
		543	0 <= aio_load $src->[$_], $data[$_]
		544	or Carp::croak "$src->[$_]: $!";
		545	}
		546
		547	# if processing is expensive, check
		548	# checksum first
		549	if (1) {
		550	$md5 =
		551	join "\x00",
		552	$processversion,
		553	map {
		554	Coro::cede;
		555	($src->[$_], Digest::MD5::md5_hex $data[$_])
		556	} 0.. $#$src;
		557
		558
		559	my $dbmd5 = db_get cache => "$id/md5";
		560	if ($dbmd5 eq $md5) {
		561	db_put cache => "$id/meta", $meta;
		562
		563	return db_get cache => "$id/data";
		564	}
		565	}
		566
		567	my $t1 = Time::HiRes::time;
		568	my $data = $process->(\@data);
		569	my $t2 = Time::HiRes::time;
		570
		571	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		572
		573	db_put cache => "$id/data", $data;
		574	db_put cache => "$id/md5" , $md5;
		575	db_put cache => "$id/meta", $meta;
		576
		577	return $data;
		578	}
		579
		580	db_get cache => "$id/data"
430	}	581	}
431		582
432	=item cf::datalog type => key => value, ...	583	=item cf::datalog type => key => value, ...
433		584
434	Log a datalog packet of the given type with the given key-value pairs.	585	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")	603	attach callbacks/event handlers (a collection of which is called an "attachment")
453	to it. All such attachable objects support the following methods.	604	to it. All such attachable objects support the following methods.
454		605
455	In the following description, CLASS can be any of C<global>, C<object>	606	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	607	C<player>, C<client> or C<map> (i.e. the attachable objects in
457	crossfire+).	608	Crossfire TRT).
458		609
459	=over 4	610	=over 4
460		611
461	=item $attachable->attach ($attachment, key => $value...)	612	=item $attachable->attach ($attachment, key => $value...)
462		613
…		…
664	_attach $registry, $klass, @attach;	815	_attach $registry, $klass, @attach;
665	}	816	}
666		817
667	$obj->{$name} = \%arg;	818	$obj->{$name} = \%arg;
668	} else {	819	} else {
669	warn "object uses attachment '$name' that is not available, postponing.\n";	820	warn "object uses attachment '$name' which is not available, postponing.\n";
670	}	821	}
671		822
672	$obj->{_attachment}{$name} = undef;	823	$obj->{_attachment}{$name} = undef;
673	}	824	}
674		825
…		…
872	or return;	1023	or return;
873	$av = eval { (Storable::thaw $av)->{objs} };	1024	$av = eval { (Storable::thaw $av)->{objs} };
874	}	1025	}
875		1026
876	warn sprintf "loading %s (%d)\n",	1027	warn sprintf "loading %s (%d)\n",
877	$filename, length $data, scalar @{$av \|\| []};#d#	1028	$filename, length $data, scalar @{$av \|\| []};
878	return ($data, $av);	1029	return ($data, $av);
879	}	1030	}
		1031
		1032	=head2 COMMAND CALLBACKS
		1033
		1034	=over 4
		1035
		1036	=cut
880		1037
881	#############################################################################	1038	#############################################################################
882	# command handling &c	1039	# command handling &c
883		1040
884	=item cf::register_command $name => \&callback($ob,$args);	1041	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1054	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1055	}
899		1056
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1057	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1058
902	Register a callbackf ro execution when the client sends an extcmd packet.	1059	Register a callback for execution when the client sends an (synchronous)
		1060	extcmd packet. Ext commands will be processed in the order they are
		1061	received by the server, like other user commands. The first argument is
		1062	the logged-in player. Ext commands can only be processed after a player
		1063	has logged in successfully.
903		1064
904	If the callback returns something, it is sent back as if reply was being	1065	If the callback returns something, it is sent back as if reply was being
905	called.	1066	called.
906		1067
		1068	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1069
		1070	Register a callback for execution when the client sends an (asynchronous)
		1071	exticmd packet. Exti commands are processed by the server as soon as they
		1072	are received, i.e. out of order w.r.t. other commands. The first argument
		1073	is a client socket. Exti commands can be received anytime, even before
		1074	log-in.
		1075
		1076	If the callback returns something, it is sent back as if reply was being
		1077	called.
		1078
907	=cut	1079	=cut
908		1080
909	sub register_extcmd {	1081	sub register_extcmd {
910	my ($name, $cb) = @_;	1082	my ($name, $cb) = @_;
911		1083
912	$EXTCMD{$name} = $cb;	1084	$EXTCMD{$name} = $cb;
		1085	}
		1086
		1087	sub register_exticmd {
		1088	my ($name, $cb) = @_;
		1089
		1090	$EXTICMD{$name} = $cb;
913	}	1091	}
914		1092
915	cf::player->attach (	1093	cf::player->attach (
916	on_command => sub {	1094	on_command => sub {
917	my ($pl, $name, $params) = @_;	1095	my ($pl, $name, $params) = @_;
…		…
926	cf::override;	1104	cf::override;
927	},	1105	},
928	on_extcmd => sub {	1106	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1107	my ($pl, $buf) = @_;
930		1108
931	my $msg = eval { from_json $buf };	1109	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1110
933	if (ref $msg) {	1111	if (ref $msg) {
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1112	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
935	if (my %reply = $cb->($pl, $msg)) {	1113	if (my %reply = $cb->($pl, $msg)) {
936	$pl->ext_reply ($msg->{msgid}, %reply);	1114	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
942		1120
943	cf::override;	1121	cf::override;
944	},	1122	},
945	);	1123	);
946		1124
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 {	1125	sub load_extensions {
		1126	cf::sync_job {
		1127	my %todo;
		1128
982	for my $ext (<$LIBDIR/*.ext>) {	1129	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1130	next unless -r $path;
984	eval {	1131
985	load_extension $ext;	1132	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1133	my $base = $1;
		1134	my $pkg = $1;
		1135	$pkg =~ s/[^[:word:]]/_/g;
		1136	$pkg = "ext::$pkg";
		1137
		1138	open my $fh, "<:utf8", $path
		1139	or die "$path: $!";
		1140
		1141	my $source = do { local $/; <$fh> };
		1142
		1143	my %ext = (
		1144	path => $path,
		1145	base => $base,
		1146	pkg => $pkg,
		1147	);
		1148
		1149	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1150	if $source =~ /\A#!.?perl.?#\s(.)$/m;
		1151
		1152	$ext{source} =
		1153	"package $pkg; use strict; use utf8;\n"
		1154	. "#line 1 \"$path\"\n{\n"
		1155	. $source
		1156	. "\n};\n1";
		1157
		1158	$todo{$base} = \%ext;
		1159	}
		1160
		1161	my %done;
		1162	while (%todo) {
		1163	my $progress;
		1164
		1165	while (my ($k, $v) = each %todo) {
		1166	for (split /,\s*/, $v->{meta}{depends}) {
		1167	goto skip
		1168	unless exists $done{$_};
		1169	}
		1170
		1171	warn "... loading '$k' into '$v->{pkg}'\n";
		1172
		1173	unless (eval $v->{source}) {
		1174	my $msg = $@ ? "$v->{path}: $@\n"
		1175	: "$v->{base}: extension inactive.\n";
		1176
		1177	if (exists $v->{meta}{mandatory}) {
		1178	warn $msg;
		1179	warn "mandatory extension failed to load, exiting.\n";
		1180	exit 1;
		1181	}
		1182
		1183	warn $msg;
		1184	}
		1185
		1186	$done{$k} = delete $todo{$k};
		1187	push @EXTS, $v->{pkg};
		1188	$progress = 1;
986	1	1189	}
987	} or warn "$ext not loaded: $@";	1190
		1191	skip:
		1192	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1193	unless $progress;
		1194	}
988	}	1195	};
989	}	1196	}
990		1197
991	#############################################################################	1198	#############################################################################
		1199
		1200	=back
992		1201
993	=head2 CORE EXTENSIONS	1202	=head2 CORE EXTENSIONS
994		1203
995	Functions and methods that extend core crossfire objects.	1204	Functions and methods that extend core crossfire objects.
996		1205
…		…
1184	}	1393	}
1185		1394
1186	\@paths	1395	\@paths
1187	}	1396	}
1188		1397
		1398	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1399
		1400	Expand crossfire pod fragments into protocol xml.
		1401
		1402	=cut
		1403
		1404	sub expand_cfpod {
		1405	((my $self), (local $_)) = @_;
		1406
		1407	# escape & and <
		1408	s/&/&/g;
		1409	s/(?<![BIUGH])</</g;
		1410
		1411	# this is buggy, it needs to properly take care of nested <'s
		1412
		1413	1 while
		1414	# replace B<>, I<>, U<> etc.
		1415	s/B<([^\>]*)>/<b>$1<\/b>/
		1416	\|\| s/I<([^\>]*)>/<i>$1<\/i>/
		1417	\|\| s/U<([^\>]*)>/<u>$1<\/u>/
		1418	# replace G<male\|female> tags
		1419	\|\| s{G<([^>\|])\\|([^>])>}{
		1420	$self->gender ? $2 : $1
		1421	}ge
		1422	# replace H<hint text>
		1423	\|\| s{H<([^\>]*)>}
		1424	{
		1425	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1426	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1427	"")
		1428	[$self->{hintmode}]
		1429	}ge;
		1430
		1431	# create single paragraphs (very hackish)
		1432	s/(?<=\S)\n(?=\w)/ /g;
		1433
		1434	# compress some whitespace
		1435	s/\s+\n/\n/g; # ws line-ends
		1436	s/\n\n+/\n/g; # double lines
		1437	s/^\n+//; # beginning lines
		1438	s/\n+$//; # ending lines
		1439
		1440	$_
		1441	}
		1442
		1443	sub hintmode {
		1444	$_[0]{hintmode} = $_[1] if @_ > 1;
		1445	$_[0]{hintmode}
		1446	}
		1447
1189	=item $player->ext_reply ($msgid, %msg)	1448	=item $player->ext_reply ($msgid, %msg)
1190		1449
1191	Sends an ext reply to the player.	1450	Sends an ext reply to the player.
1192		1451
1193	=cut	1452	=cut
1194		1453
1195	sub ext_reply($$%) {	1454	sub ext_reply($$%) {
1196	my ($self, $id, %msg) = @_;	1455	my ($self, $id, %msg) = @_;
1197		1456
1198	$msg{msgid} = $id;	1457	$msg{msgid} = $id;
1199		1458	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1459	}
1202		1460
1203	=item $player->ext_event ($type, %msg)	1461	=item $player->ext_event ($type, %msg)
1204		1462
1205	Sends an ext event to the client.	1463	Sends an ext event to the client.
…		…
1220		1478
1221	package cf::region;	1479	package cf::region;
1222		1480
1223	=item cf::region::find_by_path $path	1481	=item cf::region::find_by_path $path
1224		1482
1225	Tries to decuce the probable region for a map knowing only its path.	1483	Tries to decuce the likely region for a map knowing only its path.
1226		1484
1227	=cut	1485	=cut
1228		1486
1229	sub find_by_path($) {	1487	sub find_by_path($) {
1230	my ($path) = @_;	1488	my ($path) = @_;
…		…
1304	my ($self, $merge) = @_;	1562	my ($self, $merge) = @_;
1305		1563
1306	# we have to keep some variables in memory intact	1564	# we have to keep some variables in memory intact
1307	local $self->{path};	1565	local $self->{path};
1308	local $self->{load_path};	1566	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1567
1312	$self->SUPER::thawer_merge ($merge);	1568	$self->SUPER::thawer_merge ($merge);
1313	}	1569	}
1314		1570
1315	sub normalise {	1571	sub normalise {
…		…
1415		1671
1416	$_->change_map_light ($change)	1672	$_->change_map_light ($change)
1417	for grep $_->outdoor, values %cf::MAP;	1673	for grep $_->outdoor, values %cf::MAP;
1418	}	1674	}
1419		1675
		1676	sub decay_objects {
		1677	my ($self) = @_;
		1678
		1679	return if $self->{deny_reset};
		1680
		1681	$self->do_decay_objects;
		1682	}
		1683
1420	sub unlink_save {	1684	sub unlink_save {
1421	my ($self) = @_;	1685	my ($self) = @_;
1422		1686
1423	utf8::encode (my $save = $self->save_path);	1687	utf8::encode (my $save = $self->save_path);
1424	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1688	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1480	$self->load_header_orig	1744	$self->load_header_orig
1481	or return;	1745	or return;
1482	$self->prepare_orig;	1746	$self->prepare_orig;
1483	}	1747	}
1484		1748
		1749	$self->{deny_reset} = 1
		1750	if $self->no_reset;
		1751
1485	$self->default_region (cf::region::find_by_path $self->{path})	1752	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	1753	unless $self->default_region;
1487		1754
1488	1	1755	1
1489	}	1756	}
…		…
1504	$map->{last_save} = $cf::RUNTIME;	1771	$map->{last_save} = $cf::RUNTIME;
1505		1772
1506	$map->load_header	1773	$map->load_header
1507	or return;	1774	or return;
1508		1775
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1776	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	1777	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	1778	#$cf::WAIT_FOR_TICK->wait;
1512	$map->reset;	1779	$map->reset;
1513	undef $guard;	1780	undef $guard;
1514	return find $path;	1781	return find $path;
…		…
1581	my ($self, $ob) = @_;	1848	my ($self, $ob) = @_;
1582		1849
1583	return find "~" . $ob->name . "/" . $self->{path}	1850	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	1851	if $self->per_player;
1585		1852
		1853	# return find "?party/" . $ob->name . "/" . $self->{path}
		1854	# if $self->per_party;
		1855
1586	$self	1856	$self
1587	}	1857	}
1588		1858
1589	# find and load all maps in the 3x3 area around a map	1859	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	1860	sub load_diag {
…		…
1700		1970
1701	sub reset_at {	1971	sub reset_at {
1702	my ($self) = @_;	1972	my ($self) = @_;
1703		1973
1704	# TODO: safety, remove and allow resettable per-player maps	1974	# 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};	1975	return 1e99 if $self->{deny_reset};
1707		1976
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1977	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;	1978	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;
1710		1979
…		…
1721	my ($self) = @_;	1990	my ($self) = @_;
1722		1991
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	1992	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		1993
1725	return if $self->players;	1994	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		1995
1728	warn "resetting map ", $self->path;#d#	1996	warn "resetting map ", $self->path;
1729		1997
1730	$self->in_memory (cf::MAP_SWAPPED);	1998	$self->in_memory (cf::MAP_SWAPPED);
1731		1999
1732	# need to save uniques path	2000	# need to save uniques path
1733	unless ($self->{deny_save}) {	2001	unless ($self->{deny_save}) {
…		…
1765	$cf::MAP{$self->path} = $self;	2033	$cf::MAP{$self->path} = $self;
1766		2034
1767	$self->reset; # polite request, might not happen	2035	$self->reset; # polite request, might not happen
1768	}	2036	}
1769		2037
		2038	=item $maps = cf::map::tmp_maps
		2039
		2040	Returns an arrayref with all map paths of currently instantiated and saved
		2041	maps. May block.
		2042
		2043	=cut
		2044
		2045	sub tmp_maps() {
		2046	[
		2047	map {
		2048	utf8::decode $_;
		2049	/\.map$/
		2050	? normalise $_
		2051	: ()
		2052	} @{ aio_readdir $TMPDIR or [] }
		2053	]
		2054	}
		2055
		2056	=item $maps = cf::map::random_maps
		2057
		2058	Returns an arrayref with all map paths of currently instantiated and saved
		2059	random maps. May block.
		2060
		2061	=cut
		2062
		2063	sub random_maps() {
		2064	[
		2065	map {
		2066	utf8::decode $_;
		2067	/\.map$/
		2068	? normalise "?random/$_"
		2069	: ()
		2070	} @{ aio_readdir $RANDOMDIR or [] }
		2071	]
		2072	}
		2073
1770	=item cf::map::unique_maps	2074	=item cf::map::unique_maps
1771		2075
1772	Returns an arrayref of paths of all shared maps that have	2076	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2077	instantiated unique items. May block.
1774		2078
1775	=cut	2079	=cut
1776		2080
1777	sub unique_maps() {	2081	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2082	[
1779	or return;	2083	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2084	utf8::decode $_;
1785	next if /\.pst$/;	2085	/\.map$/
1786	next unless /^$PATH_SEP/o;	2086	? normalise $_
1787		2087	: ()
1788	push @paths, cf::map::normalise $_;	2088	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2089	]
1790
1791	\@paths
1792	}	2090	}
1793		2091
1794	package cf;	2092	package cf;
1795		2093
1796	=back	2094	=back
…		…
1842		2140
1843	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;	2141	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;
1844		2142
1845	if ($self->{record_replies}) {	2143	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2144	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2145
1847	} else {	2146	} else {
		2147	my $pl = $self->contr;
		2148
		2149	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2150	my $diag = $pl->{npc_dialog};
		2151	$diag->{pl}->ext_reply (
		2152	$diag->{id},
		2153	msgtype => "reply",
		2154	msg => $diag->{pl}->expand_cfpod ($msg),
		2155	add_topics => []
		2156	);
		2157
		2158	} else {
1848	$msg = $npc->name . " says: $msg" if $npc;	2159	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2160	$self->message ($msg, $flags);
		2161	}
1850	}	2162	}
1851	}	2163	}
1852		2164
1853	=item $player_object->may ("access")	2165	=item $player_object->may ("access")
1854		2166
…		…
2063	my $hp = $exit->stats->hp;	2375	my $hp = $exit->stats->hp;
2064	my $sp = $exit->stats->sp;	2376	my $sp = $exit->stats->sp;
2065		2377
2066	$self->enter_link;	2378	$self->enter_link;
2067		2379
		2380	# if exit is damned, update players death & WoR home-position
		2381	$self->contr->savebed ($slaying, $hp, $sp)
		2382	if $exit->flag (FLAG_DAMNED);
		2383
2068	(async {	2384	(async {
2069	$self->deactivate_recursive; # just to be sure	2385	$self->deactivate_recursive; # just to be sure
2070	unless (eval {	2386	unless (eval {
2071	$self->goto ($slaying, $hp, $sp);	2387	$self->goto ($slaying, $hp, $sp);
2072		2388
…		…
2099		2415
2100	utf8::encode $text;	2416	utf8::encode $text;
2101	$self->send_packet (sprintf "drawinfo %d %s", $flags \|\| cf::NDI_BLACK, $text);	2417	$self->send_packet (sprintf "drawinfo %d %s", $flags \|\| cf::NDI_BLACK, $text);
2102	}	2418	}
2103		2419
		2420	=item $client->send_msg ($color, $type, $msg, [extra...])
		2421
		2422	Send a drawinfo or msg packet to the client, formatting the msg for the
		2423	client if neccessary. C<$type> should be a string identifying the type of
		2424	the message, with C<log> being the default. If C<$color> is negative, suppress
		2425	the message unless the client supports the msg packet.
		2426
		2427	=cut
		2428
		2429	sub cf::client::send_msg {
		2430	my ($self, $color, $type, $msg, @extra) = @_;
		2431
		2432	$msg = $self->pl->expand_cfpod ($msg);
		2433
		2434	return unless @extra \|\| length $msg;
		2435
		2436	if ($self->can_msg) {
		2437	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2438	} else {
		2439	# replace some tags by gcfclient-compatible ones
		2440	for ($msg) {
		2441	1 while
		2442	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2443	\|\| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2444	\|\| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2445	\|\| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2446	\|\| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2447	}
		2448
		2449	if ($color >= 0) {
		2450	if (0 && $msg =~ /\[/) {
		2451	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2452	} else {
		2453	$msg =~ s/\[\/?(?:b\|i\|u\|fixed\|color)[^\]]*\]//g;
		2454	$self->send_packet ("drawinfo $color $msg")
		2455	}
		2456	}
		2457	}
		2458	}
		2459
2104	=item $client->ext_event ($type, %msg)	2460	=item $client->ext_event ($type, %msg)
2105		2461
2106	Sends an exti event to the client.	2462	Sends an ext event to the client.
2107		2463
2108	=cut	2464	=cut
2109		2465
2110	sub cf::client::ext_event($$%) {	2466	sub cf::client::ext_event($$%) {
2111	my ($self, $type, %msg) = @_;	2467	my ($self, $type, %msg) = @_;
2112		2468
2113	$msg{msgtype} = "event_$type";	2469	$msg{msgtype} = "event_$type";
2114	$self->send_packet ("ext " . cf::to_json \%msg);	2470	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
2115	}	2471	}
2116		2472
2117	=item $success = $client->query ($flags, "text", \&cb)	2473	=item $success = $client->query ($flags, "text", \&cb)
2118		2474
2119	Queues a query to the client, calling the given callback with	2475	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>,	2476	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>.	2477	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2122		2478
2123	Queries can fail, so check the return code. Or don't, as queries will become	2479	Queries can fail, so check the return code. Or don't, as queries will
2124	reliable at some point in the future.	2480	become reliable at some point in the future.
2125		2481
2126	=cut	2482	=cut
2127		2483
2128	sub cf::client::query {	2484	sub cf::client::query {
2129	my ($self, $flags, $text, $cb) = @_;	2485	my ($self, $flags, $text, $cb) = @_;
…		…
2137	utf8::encode $text;	2493	utf8::encode $text;
2138	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2494	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139		2495
2140	$self->send_packet ($self->{query_queue}[0][0])	2496	$self->send_packet ($self->{query_queue}[0][0])
2141	if @{ $self->{query_queue} } == 1;	2497	if @{ $self->{query_queue} } == 1;
		2498
		2499	1
2142	}	2500	}
2143		2501
2144	cf::client->attach (	2502	cf::client->attach (
		2503	on_connect => sub {
		2504	my ($ns) = @_;
		2505
		2506	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2507	},
2145	on_reply => sub {	2508	on_reply => sub {
2146	my ($ns, $msg) = @_;	2509	my ($ns, $msg) = @_;
2147		2510
2148	# this weird shuffling is so that direct followup queries	2511	# this weird shuffling is so that direct followup queries
2149	# get handled first	2512	# get handled first
…		…
2161	} else {	2524	} else {
2162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2525	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163	}	2526	}
2164	}	2527	}
2165	},	2528	},
		2529	on_exticmd => sub {
		2530	my ($ns, $buf) = @_;
		2531
		2532	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2533
		2534	if (ref $msg) {
		2535	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2536	if (my %reply = $cb->($ns, $msg)) {
		2537	$reply{msgid} = $msg->{msgid};
		2538	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2539	}
		2540	}
		2541	} else {
		2542	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2543	}
		2544
		2545	cf::override;
		2546	},
2166	);	2547	);
2167		2548
2168	=item $client->async (\&cb)	2549	=item $client->async (\&cb)
2169		2550
2170	Create a new coroutine, running the specified callback. The coroutine will	2551	Create a new coroutine, running the specified callback. The coroutine will
…		…
2219		2600
2220	=pod	2601	=pod
2221		2602
2222	The following functions and methods are available within a safe environment:	2603	The following functions and methods are available within a safe environment:
2223		2604
2224	cf::object contr pay_amount pay_player map	2605	cf::object
		2606	contr pay_amount pay_player map x y force_find force_add
		2607	insert remove
		2608
2225	cf::object::player player	2609	cf::object::player
2226	cf::player peaceful	2610	player
2227	cf::map trigger	2611
		2612	cf::player
		2613	peaceful
		2614
		2615	cf::map
		2616	trigger
2228		2617
2229	=cut	2618	=cut
2230		2619
2231	for (	2620	for (
2232	["cf::object" => qw(contr pay_amount pay_player map)],	2621	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2622	insert remove)],
2233	["cf::object::player" => qw(player)],	2623	["cf::object::player" => qw(player)],
2234	["cf::player" => qw(peaceful)],	2624	["cf::player" => qw(peaceful)],
2235	["cf::map" => qw(trigger)],	2625	["cf::map" => qw(trigger)],
2236	) {	2626	) {
2237	no strict 'refs';	2627	no strict 'refs';
…		…
2306	}	2696	}
2307		2697
2308	=back	2698	=back
2309		2699
2310	=cut	2700	=cut
2311
2312	#############################################################################
2313
2314	=head2 EXTENSION DATABASE SUPPORT
2315
2316	Crossfire maintains a very simple database for extension use. It can
2317	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2318	convert to/from binary).
2319
2320	The parameter C<$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 $@;
2480	_exit 0;
2481	}
2482	}
2483		2701
2484	#############################################################################	2702	#############################################################################
2485	# the server's init and main functions	2703	# the server's init and main functions
2486		2704
2487	sub load_facedata($) {	2705	sub load_facedata($) {
…		…
2547	}	2765	}
2548		2766
2549	sub reload_archetypes {	2767	sub reload_archetypes {
2550	load_resource_file "$DATADIR/archetypes"	2768	load_resource_file "$DATADIR/archetypes"
2551	or die "unable to load archetypes\n";	2769	or die "unable to load archetypes\n";
		2770	#d# NEED to laod twice to resolve forward references
		2771	# this really needs to be done in an extra post-pass
		2772	# (which needs to be synchronous, so solve it differently)
		2773	load_resource_file "$DATADIR/archetypes"
		2774	or die "unable to load archetypes\n";
2552	}	2775	}
2553		2776
2554	sub reload_treasures {	2777	sub reload_treasures {
2555	load_resource_file "$DATADIR/treasures"	2778	load_resource_file "$DATADIR/treasures"
2556	or die "unable to load treasurelists\n";	2779	or die "unable to load treasurelists\n";
…		…
2559	sub reload_resources {	2782	sub reload_resources {
2560	warn "reloading resource files...\n";	2783	warn "reloading resource files...\n";
2561		2784
2562	reload_regions;	2785	reload_regions;
2563	reload_facedata;	2786	reload_facedata;
		2787	#reload_archetypes;#d#
2564	reload_archetypes;	2788	reload_archetypes;
2565	reload_treasures;	2789	reload_treasures;
2566		2790
2567	warn "finished reloading resource files\n";	2791	warn "finished reloading resource files\n";
2568	}	2792	}
…		…
2625	},	2849	},
2626	);	2850	);
2627	}	2851	}
2628	}	2852	}
2629		2853
		2854	sub write_runtime {
		2855	my $runtime = "$LOCALDIR/runtime";
		2856
		2857	# first touch the runtime file to show we are still running:
		2858	# the fsync below can take a very very long time.
		2859
		2860	IO::AIO::aio_utime $runtime, undef, undef;
		2861
		2862	my $guard = cf::lock_acquire "write_runtime";
		2863
		2864	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644
		2865	or return;
		2866
		2867	my $value = $cf::RUNTIME + 90 + 10;
		2868	# 10 is the runtime save interval, for a monotonic clock
		2869	# 60 allows for the watchdog to kill the server.
		2870
		2871	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2872	and return;
		2873
		2874	# always fsync - this file is important
		2875	aio_fsync $fh
		2876	and return;
		2877
		2878	# touch it again to show we are up-to-date
		2879	aio_utime $fh, undef, undef;
		2880
		2881	close $fh
		2882	or return;
		2883
		2884	aio_rename "$runtime~", $runtime
		2885	and return;
		2886
		2887	warn "runtime file written.\n";
		2888
		2889	1
		2890	}
		2891
2630	sub emergency_save() {	2892	sub emergency_save() {
2631	my $freeze_guard = cf::freeze_mainloop;	2893	my $freeze_guard = cf::freeze_mainloop;
2632		2894
2633	warn "enter emergency perl save\n";	2895	warn "enter emergency perl save\n";
2634		2896
…		…
2709	%EXT_CORO = ();	2971	%EXT_CORO = ();
2710		2972
2711	warn "removing commands";	2973	warn "removing commands";
2712	%COMMAND = ();	2974	%COMMAND = ();
2713		2975
2714	warn "removing ext commands";	2976	warn "removing ext/exti commands";
2715	%EXTCMD = ();	2977	%EXTCMD = ();
		2978	%EXTICMD = ();
2716		2979
2717	warn "unloading/nuking all extensions";	2980	warn "unloading/nuking all extensions";
2718	for my $pkg (@EXTS) {	2981	for my $pkg (@EXTS) {
2719	warn "... unloading $pkg";	2982	warn "... unloading $pkg";
2720		2983

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.271 by root, Fri Jun 1 06:04:08 2007 UTC vs. Revision 1.299 by root, Sun Jul 8 14:56:05 2007 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.271 by root, Fri Jun 1 06:04:08 2007 UTC vs.
Revision 1.299 by root, Sun Jul 8 14:56:05 2007 UTC