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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.277 by root, Sun Jun 10 04:24:50 2007 UTC vs.
Revision 1.308 by root, Mon Jul 16 14:09:40 2007 UTC

…		…
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
23	use Coro::Storable;	23	use Coro::Storable;
24		24
		25	use JSON::XS 1.4 ();
25	use BDB ();	26	use BDB ();
26	use Data::Dumper;	27	use Data::Dumper;
27	use Digest::MD5;	28	use Digest::MD5;
28	use Fcntl;	29	use Fcntl;
29	use YAML::Syck ();	30	use YAML::Syck ();
30	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
31	use Time::HiRes;	32	use Time::HiRes;
32	use Compress::LZF;	33	use Compress::LZF;
		34	use Digest::MD5 ();
33		35
34	# configure various modules to our taste	36	# configure various modules to our taste
35	#	37	#
36	$Storable::canonical = 1; # reduce rsync transfers	38	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
…		…
49	our %COMMAND = ();	51	our %COMMAND = ();
50	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
51		53
52	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
56		59
57	our $RELOAD; # number of reloads so far	60	our $RELOAD; # number of reloads so far
58	our @EVENT;	61	our @EVENT;
…		…
206	}	209	}
207		210
208	$Event::DIED = sub {	211	$Event::DIED = sub {
209	warn "error in event callback: @_";	212	warn "error in event callback: @_";
210	};	213	};
		214
		215	#############################################################################
211		216
212	=head2 UTILITY FUNCTIONS	217	=head2 UTILITY FUNCTIONS
213		218
214	=over 4	219	=over 4
215		220
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	239	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	240	$d
236	} \|\| "[unable to dump $_[0]: '$@']";	241	} \|\| "[unable to dump $_[0]: '$@']";
237	}	242	}
238		243
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	244	=item $ref = cf::from_json $json
242		245
243	Converts a JSON string into the corresponding perl data structure.	246	Converts a JSON string into the corresponding perl data structure.
244		247
245	=item $json = cf::to_json $ref	248	=item $json = cf::to_json $ref
246		249
247	Converts a perl data structure into its JSON representation.	250	Converts a perl data structure into its JSON representation.
		251
		252	=cut
		253
		254	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		255
		256	sub to_json ($) { $json_coder->encode ($_[0]) }
		257	sub from_json ($) { $json_coder->decode ($_[0]) }
248		258
249	=item cf::lock_wait $string	259	=item cf::lock_wait $string
250		260
251	Wait until the given lock is available. See cf::lock_acquire.	261	Wait until the given lock is available. See cf::lock_acquire.
252		262
…		…
318		328
319	BEGIN { *async = \&Coro::async_pool }	329	BEGIN { *async = \&Coro::async_pool }
320		330
321	=item cf::sync_job { BLOCK }	331	=item cf::sync_job { BLOCK }
322		332
323	The design of crossfire+ requires that the main coro ($Coro::main) is	333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
324	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
325	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.
326		337
327	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
328	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
329	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
330	fast or be very important.	341	fast or be very important.
…		…
390	$EXT_CORO{$coro+0} = $coro;	401	$EXT_CORO{$coro+0} = $coro;
391		402
392	$coro	403	$coro
393	}	404	}
394		405
395	sub write_runtime {	406	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		407
398	# first touch the runtime file to show we are still running:	408	Executes the given code block with the given arguments in a seperate
399	# 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.
400		412
401	IO::AIO::aio_utime $runtime, undef, undef;	413	=cut
402		414
403	my $guard = cf::lock_acquire "write_runtime";	415	sub _store_scalar {
404		416	open my $fh, ">", \my $buf
405	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644	417	or die "fork_call: cannot open fh-to-buf in child : $!";
406	or return;	418	Storable::store_fd $_[0], $fh;
407
408	my $value = $cf::RUNTIME + 90 + 10;
409	# 10 is the runtime save interval, for a monotonic clock
410	# 60 allows for the watchdog to kill the server.
411
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0
413	and return;
414
415	# always fsync - this file is important
416	aio_fsync $fh
417	and return;
418
419	# touch it again to show we are up-to-date
420	aio_utime $fh, undef, undef;
421
422	close $fh	419	close $fh;
423	or return;
424		420
425	aio_rename "$runtime~", $runtime	421	$buf
426	and return;	422	}
427		423
428	warn "runtime file written.\n";	424	sub fork_call(&@) {
		425	my ($cb, @args) = @_;
429		426
		427	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		428	# or die "socketpair: $!";
		429	pipe my $fh1, my $fh2
		430	or die "pipe: $!";
		431
		432	if (my $pid = fork) {
		433	close $fh2;
		434
		435	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		436	warn "pst<$res>" unless $res =~ /^pst/;
		437	$res = Coro::Storable::thaw $res;
		438
		439	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		440
		441	Carp::confess $$res unless "ARRAY" eq ref $res;
		442
		443	return wantarray ? @$res : $res->[-1];
		444	} else {
		445	reset_signals;
		446	local $SIG{__WARN__};
		447	local $SIG{__DIE__};
		448	# just in case, this hack effectively disables event
		449	# in the child. cleaner and slower would be canceling all watchers,
		450	# but this works for the time being.
		451	local $Coro::idle;
		452	$Coro::current->prio (Coro::PRIO_MAX);
		453
		454	eval {
		455	close $fh1;
		456
		457	my @res = eval { $cb->(@args) };
		458
		459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		460	close $fh2;
		461	};
		462
		463	warn $@ if $@;
		464	_exit 0;
430	1	465	}
		466	}
		467
		468	=item $value = cf::db_get $family => $key
		469
		470	Returns a single value from the environment database.
		471
		472	=item cf::db_put $family => $key => $value
		473
		474	Stores the given C<$value> in the family. It can currently store binary
		475	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		476
		477	=cut
		478
		479	our $DB;
		480
		481	sub db_init {
		482	unless ($DB) {
		483	$DB = BDB::db_create $DB_ENV;
		484
		485	cf::sync_job {
		486	eval {
		487	$DB->set_flags (BDB::CHKSUM);
		488
		489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		490	BDB::CREATE \| BDB::AUTO_COMMIT, 0666;
		491	cf::cleanup "db_open(db): $!" if $!;
		492	};
		493	cf::cleanup "db_open(db): $@" if $@;
		494	};
		495	}
		496	}
		497
		498	sub db_get($$) {
		499	my $key = "$_[0]/$_[1]";
		500
		501	cf::sync_job {
		502	BDB::db_get $DB, undef, $key, my $data;
		503
		504	$! ? ()
		505	: $data
		506	}
		507	}
		508
		509	sub db_put($$$) {
		510	BDB::dbreq_pri 4;
		511	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		512	}
		513
		514	=item cf::cache $id => [$paths...], $processversion => $process
		515
		516	Generic caching function that returns the value of the resource $id,
		517	caching and regenerating as required.
		518
		519	This function can block.
		520
		521	=cut
		522
		523	sub cache {
		524	my ($id, $src, $processversion, $process) = @_;
		525
		526	my $meta =
		527	join "\x00",
		528	$processversion,
		529	map {
		530	aio_stat $_
		531	and Carp::croak "$_: $!";
		532
		533	($_, (stat _)[7,9])
		534	} @$src;
		535
		536	my $dbmeta = db_get cache => "$id/meta";
		537	if ($dbmeta ne $meta) {
		538	# changed, we may need to process
		539
		540	my @data;
		541	my $md5;
		542
		543	for (0 .. $#$src) {
		544	0 <= aio_load $src->[$_], $data[$_]
		545	or Carp::croak "$src->[$_]: $!";
		546	}
		547
		548	# if processing is expensive, check
		549	# checksum first
		550	if (1) {
		551	$md5 =
		552	join "\x00",
		553	$processversion,
		554	map {
		555	Coro::cede;
		556	($src->[$_], Digest::MD5::md5_hex $data[$_])
		557	} 0.. $#$src;
		558
		559
		560	my $dbmd5 = db_get cache => "$id/md5";
		561	if ($dbmd5 eq $md5) {
		562	db_put cache => "$id/meta", $meta;
		563
		564	return db_get cache => "$id/data";
		565	}
		566	}
		567
		568	my $t1 = Time::HiRes::time;
		569	my $data = $process->(\@data);
		570	my $t2 = Time::HiRes::time;
		571
		572	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		573
		574	db_put cache => "$id/data", $data;
		575	db_put cache => "$id/md5" , $md5;
		576	db_put cache => "$id/meta", $meta;
		577
		578	return $data;
		579	}
		580
		581	db_get cache => "$id/data"
431	}	582	}
432		583
433	=item cf::datalog type => key => value, ...	584	=item cf::datalog type => key => value, ...
434		585
435	Log a datalog packet of the given type with the given key-value pairs.	586	Log a datalog packet of the given type with the given key-value pairs.
…		…
453	attach callbacks/event handlers (a collection of which is called an "attachment")	604	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	605	to it. All such attachable objects support the following methods.
455		606
456	In the following description, CLASS can be any of C<global>, C<object>	607	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	608	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	609	Crossfire TRT).
459		610
460	=over 4	611	=over 4
461		612
462	=item $attachable->attach ($attachment, key => $value...)	613	=item $attachable->attach ($attachment, key => $value...)
463		614
…		…
665	_attach $registry, $klass, @attach;	816	_attach $registry, $klass, @attach;
666	}	817	}
667		818
668	$obj->{$name} = \%arg;	819	$obj->{$name} = \%arg;
669	} else {	820	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	821	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	822	}
672		823
673	$obj->{_attachment}{$name} = undef;	824	$obj->{_attachment}{$name} = undef;
674	}	825	}
675		826
…		…
877	warn sprintf "loading %s (%d)\n",	1028	warn sprintf "loading %s (%d)\n",
878	$filename, length $data, scalar @{$av \|\| []};	1029	$filename, length $data, scalar @{$av \|\| []};
879	return ($data, $av);	1030	return ($data, $av);
880	}	1031	}
881		1032
		1033	=head2 COMMAND CALLBACKS
		1034
		1035	=over 4
		1036
		1037	=cut
		1038
882	#############################################################################	1039	#############################################################################
883	# command handling &c	1040	# command handling &c
884		1041
885	=item cf::register_command $name => \&callback($ob,$args);	1042	=item cf::register_command $name => \&callback($ob,$args);
886		1043
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1055	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1056	}
900		1057
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1058	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1059
903	Register a callbackf ro execution when the client sends an extcmd packet.	1060	Register a callback for execution when the client sends an (synchronous)
		1061	extcmd packet. Ext commands will be processed in the order they are
		1062	received by the server, like other user commands. The first argument is
		1063	the logged-in player. Ext commands can only be processed after a player
		1064	has logged in successfully.
904		1065
905	If the callback returns something, it is sent back as if reply was being	1066	If the callback returns something, it is sent back as if reply was being
906	called.	1067	called.
907		1068
		1069	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1070
		1071	Register a callback for execution when the client sends an (asynchronous)
		1072	exticmd packet. Exti commands are processed by the server as soon as they
		1073	are received, i.e. out of order w.r.t. other commands. The first argument
		1074	is a client socket. Exti commands can be received anytime, even before
		1075	log-in.
		1076
		1077	If the callback returns something, it is sent back as if reply was being
		1078	called.
		1079
908	=cut	1080	=cut
909		1081
910	sub register_extcmd {	1082	sub register_extcmd {
911	my ($name, $cb) = @_;	1083	my ($name, $cb) = @_;
912		1084
913	$EXTCMD{$name} = $cb;	1085	$EXTCMD{$name} = $cb;
		1086	}
		1087
		1088	sub register_exticmd {
		1089	my ($name, $cb) = @_;
		1090
		1091	$EXTICMD{$name} = $cb;
914	}	1092	}
915		1093
916	cf::player->attach (	1094	cf::player->attach (
917	on_command => sub {	1095	on_command => sub {
918	my ($pl, $name, $params) = @_;	1096	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1105	cf::override;
928	},	1106	},
929	on_extcmd => sub {	1107	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1108	my ($pl, $buf) = @_;
931		1109
932	my $msg = eval { from_json $buf };	1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1111
934	if (ref $msg) {	1112	if (ref $msg) {
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
936	if (my %reply = $cb->($pl, $msg)) {	1114	if (my %reply = $cb->($pl, $msg)) {
937	$pl->ext_reply ($msg->{msgid}, %reply);	1115	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
943		1121
944	cf::override;	1122	cf::override;
945	},	1123	},
946	);	1124	);
947		1125
948	sub load_extension {
949	my ($path) = @_;
950
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
952	my $base = $1;
953	my $pkg = $1;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.perl.#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}
976	die $@;
977	}
978
979	push @EXTS, $pkg;
980	}
981
982	sub load_extensions {	1126	sub load_extensions {
		1127	cf::sync_job {
		1128	my %todo;
		1129
983	for my $ext (<$LIBDIR/*.ext>) {	1130	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1131	next unless -r $path;
985	eval {	1132
986	load_extension $ext;	1133	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1134	my $base = $1;
		1135	my $pkg = $1;
		1136	$pkg =~ s/[^[:word:]]/_/g;
		1137	$pkg = "ext::$pkg";
		1138
		1139	open my $fh, "<:utf8", $path
		1140	or die "$path: $!";
		1141
		1142	my $source = do { local $/; <$fh> };
		1143
		1144	my %ext = (
		1145	path => $path,
		1146	base => $base,
		1147	pkg => $pkg,
		1148	);
		1149
		1150	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1151	if $source =~ /\A#!.?perl.?#\s(.)$/m;
		1152
		1153	$ext{source} =
		1154	"package $pkg; use strict; use utf8;\n"
		1155	. "#line 1 \"$path\"\n{\n"
		1156	. $source
		1157	. "\n};\n1";
		1158
		1159	$todo{$base} = \%ext;
		1160	}
		1161
		1162	my %done;
		1163	while (%todo) {
		1164	my $progress;
		1165
		1166	while (my ($k, $v) = each %todo) {
		1167	for (split /,\s*/, $v->{meta}{depends}) {
		1168	goto skip
		1169	unless exists $done{$_};
		1170	}
		1171
		1172	warn "... loading '$k' into '$v->{pkg}'\n";
		1173
		1174	unless (eval $v->{source}) {
		1175	my $msg = $@ ? "$v->{path}: $@\n"
		1176	: "$v->{base}: extension inactive.\n";
		1177
		1178	if (exists $v->{meta}{mandatory}) {
		1179	warn $msg;
		1180	warn "mandatory extension failed to load, exiting.\n";
		1181	exit 1;
		1182	}
		1183
		1184	warn $msg;
		1185	}
		1186
		1187	$done{$k} = delete $todo{$k};
		1188	push @EXTS, $v->{pkg};
		1189	$progress = 1;
987	1	1190	}
988	} or warn "$ext not loaded: $@";	1191
		1192	skip:
		1193	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1194	unless $progress;
		1195	}
989	}	1196	};
990	}	1197	}
991		1198
992	#############################################################################	1199	#############################################################################
		1200
		1201	=back
993		1202
994	=head2 CORE EXTENSIONS	1203	=head2 CORE EXTENSIONS
995		1204
996	Functions and methods that extend core crossfire objects.	1205	Functions and methods that extend core crossfire objects.
997		1206
…		…
1185	}	1394	}
1186		1395
1187	\@paths	1396	\@paths
1188	}	1397	}
1189		1398
		1399	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1400
		1401	Expand crossfire pod fragments into protocol xml.
		1402
		1403	=cut
		1404
		1405	sub expand_cfpod {
		1406	((my $self), (local $_)) = @_;
		1407
		1408	# escape & and <
		1409	s/&/&/g;
		1410	s/(?<![BIUGH])</</g;
		1411
		1412	# this is buggy, it needs to properly take care of nested <'s
		1413
		1414	1 while
		1415	# replace B<>, I<>, U<> etc.
		1416	s/B<([^\>]*)>/<b>$1<\/b>/
		1417	\|\| s/I<([^\>]*)>/<i>$1<\/i>/
		1418	\|\| s/U<([^\>]*)>/<u>$1<\/u>/
		1419	# replace G<male\|female> tags
		1420	\|\| s{G<([^>\|])\\|([^>])>}{
		1421	$self->gender ? $2 : $1
		1422	}ge
		1423	# replace H<hint text>
		1424	\|\| s{H<([^\>]*)>}
		1425	{
		1426	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1427	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1428	"")
		1429	[$self->{hintmode}]
		1430	}ge;
		1431
		1432	# create single paragraphs (very hackish)
		1433	s/(?<=\S)\n(?=\w)/ /g;
		1434
		1435	# compress some whitespace
		1436	s/\s+\n/\n/g; # ws line-ends
		1437	s/\n\n+/\n/g; # double lines
		1438	s/^\n+//; # beginning lines
		1439	s/\n+$//; # ending lines
		1440
		1441	$_
		1442	}
		1443
		1444	sub hintmode {
		1445	$_[0]{hintmode} = $_[1] if @_ > 1;
		1446	$_[0]{hintmode}
		1447	}
		1448
1190	=item $player->ext_reply ($msgid, %msg)	1449	=item $player->ext_reply ($msgid, %msg)
1191		1450
1192	Sends an ext reply to the player.	1451	Sends an ext reply to the player.
1193		1452
1194	=cut	1453	=cut
1195		1454
1196	sub ext_reply($$%) {	1455	sub ext_reply($$%) {
1197	my ($self, $id, %msg) = @_;	1456	my ($self, $id, %msg) = @_;
1198		1457
1199	$msg{msgid} = $id;	1458	$msg{msgid} = $id;
1200		1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1460	}
1203		1461
1204	=item $player->ext_event ($type, %msg)	1462	=item $player->ext_event ($type, %msg)
1205		1463
1206	Sends an ext event to the client.	1464	Sends an ext event to the client.
…		…
1221		1479
1222	package cf::region;	1480	package cf::region;
1223		1481
1224	=item cf::region::find_by_path $path	1482	=item cf::region::find_by_path $path
1225		1483
1226	Tries to decuce the probable region for a map knowing only its path.	1484	Tries to decuce the likely region for a map knowing only its path.
1227		1485
1228	=cut	1486	=cut
1229		1487
1230	sub find_by_path($) {	1488	sub find_by_path($) {
1231	my ($path) = @_;	1489	my ($path) = @_;
1232		1490
1233	my ($match, $specificity);	1491	my ($match, $specificity);
1234		1492
1235	for my $region (list) {	1493	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1494	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1495	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1496	if $region->specificity > $specificity;
1239	}	1497	}
1240	}	1498	}
1241		1499
…		…
1361	$self->init; # pass $1 etc.	1619	$self->init; # pass $1 etc.
1362	return $self;	1620	return $self;
1363	}	1621	}
1364	}	1622	}
1365		1623
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	1624	Carp::cluck "unable to resolve path '$path' (base '$base').";
1367	()	1625	()
1368	}	1626	}
1369		1627
1370	sub init {	1628	sub init {
1371	my ($self) = @_;	1629	my ($self) = @_;
…		…
1649		1907
1650	undef $MAP_PREFETCH{$path};	1908	undef $MAP_PREFETCH{$path};
1651	$MAP_PREFETCHER \|\|= cf::async {	1909	$MAP_PREFETCHER \|\|= cf::async {
1652	while (%MAP_PREFETCH) {	1910	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	1911	for my $path (keys %MAP_PREFETCH) {
1654	my $map = find $path	1912	if (my $map = find $path) {
1655	or next;
1656	$map->load;	1913	$map->load;
		1914	}
1657		1915
1658	delete $MAP_PREFETCH{$path};	1916	delete $MAP_PREFETCH{$path};
1659	}	1917	}
1660	}	1918	}
1661	undef $MAP_PREFETCHER;	1919	undef $MAP_PREFETCHER;
…		…
1883		2141
1884	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;	2142	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;
1885		2143
1886	if ($self->{record_replies}) {	2144	if ($self->{record_replies}) {
1887	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2145	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2146
1888	} else {	2147	} else {
		2148	my $pl = $self->contr;
		2149
		2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2151	my $diag = $pl->{npc_dialog};
		2152	$diag->{pl}->ext_reply (
		2153	$diag->{id},
		2154	msgtype => "reply",
		2155	msg => $diag->{pl}->expand_cfpod ($msg),
		2156	add_topics => []
		2157	);
		2158
		2159	} else {
1889	$msg = $npc->name . " says: $msg" if $npc;	2160	$msg = $npc->name . " says: $msg" if $npc;
1890	$self->message ($msg, $flags);	2161	$self->message ($msg, $flags);
		2162	}
1891	}	2163	}
1892	}	2164	}
1893		2165
1894	=item $player_object->may ("access")	2166	=item $player_object->may ("access")
1895		2167
…		…
1984		2256
1985	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1986	$self->enter_map ($map, $x, $y);	2258	$self->enter_map ($map, $x, $y);
1987	}	2259	}
1988		2260
1989	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2261	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1990		2262
1991	Moves the player to the given map-path and coordinates by first freezing	2263	Moves the player to the given map-path and coordinates by first freezing
1992	her, loading and preparing them map, calling the provided $check callback	2264	her, loading and preparing them map, calling the provided $check callback
1993	that has to return the map if sucecssful, and then unfreezes the player on	2265	that has to return the map if sucecssful, and then unfreezes the player on
1994	the new (success) or old (failed) map position.	2266	the new (success) or old (failed) map position. In either case, $done will
		2267	be called at the end of this process.
1995		2268
1996	=cut	2269	=cut
1997		2270
1998	our $GOTOGEN;	2271	our $GOTOGEN;
1999		2272
2000	sub cf::object::player::goto {	2273	sub cf::object::player::goto {
2001	my ($self, $path, $x, $y, $check) = @_;	2274	my ($self, $path, $x, $y, $check, $done) = @_;
2002		2275
2003	# do generation counting so two concurrent goto's will be executed in-order	2276	# do generation counting so two concurrent goto's will be executed in-order
2004	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2277	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2005		2278
2006	$self->enter_link;	2279	$self->enter_link;
…		…
2026		2299
2027	if ($gen == $self->{_goto_generation}) {	2300	if ($gen == $self->{_goto_generation}) {
2028	delete $self->{_goto_generation};	2301	delete $self->{_goto_generation};
2029	$self->leave_link ($map, $x, $y);	2302	$self->leave_link ($map, $x, $y);
2030	}	2303	}
		2304
		2305	$done->() if $done;
2031	})->prio (1);	2306	})->prio (1);
2032	}	2307	}
2033		2308
2034	=item $player_object->enter_exit ($exit_object)	2309	=item $player_object->enter_exit ($exit_object)
2035		2310
…		…
2104	my $hp = $exit->stats->hp;	2379	my $hp = $exit->stats->hp;
2105	my $sp = $exit->stats->sp;	2380	my $sp = $exit->stats->sp;
2106		2381
2107	$self->enter_link;	2382	$self->enter_link;
2108		2383
		2384	# if exit is damned, update players death & WoR home-position
		2385	$self->contr->savebed ($slaying, $hp, $sp)
		2386	if $exit->flag (FLAG_DAMNED);
		2387
2109	(async {	2388	(async {
2110	$self->deactivate_recursive; # just to be sure	2389	$self->deactivate_recursive; # just to be sure
2111	unless (eval {	2390	unless (eval {
2112	$self->goto ($slaying, $hp, $sp);	2391	$self->goto ($slaying, $hp, $sp);
2113		2392
…		…
2140		2419
2141	utf8::encode $text;	2420	utf8::encode $text;
2142	$self->send_packet (sprintf "drawinfo %d %s", $flags \|\| cf::NDI_BLACK, $text);	2421	$self->send_packet (sprintf "drawinfo %d %s", $flags \|\| cf::NDI_BLACK, $text);
2143	}	2422	}
2144		2423
		2424	=item $client->send_msg ($color, $type, $msg, [extra...])
		2425
		2426	Send a drawinfo or msg packet to the client, formatting the msg for the
		2427	client if neccessary. C<$type> should be a string identifying the type of
		2428	the message, with C<log> being the default. If C<$color> is negative, suppress
		2429	the message unless the client supports the msg packet.
		2430
		2431	=cut
		2432
		2433	sub cf::client::send_msg {
		2434	my ($self, $color, $type, $msg, @extra) = @_;
		2435
		2436	$msg = $self->pl->expand_cfpod ($msg);
		2437
		2438	return unless @extra \|\| length $msg;
		2439
		2440	if ($self->can_msg) {
		2441	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2442	} else {
		2443	# replace some tags by gcfclient-compatible ones
		2444	for ($msg) {
		2445	1 while
		2446	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2447	\|\| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2448	\|\| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2449	\|\| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2450	\|\| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2451	}
		2452
		2453	if ($color >= 0) {
		2454	if (0 && $msg =~ /\[/) {
		2455	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2456	} else {
		2457	$msg =~ s/\[\/?(?:b\|i\|u\|fixed\|color)[^\]]*\]//g;
		2458	$self->send_packet ("drawinfo $color $msg")
		2459	}
		2460	}
		2461	}
		2462	}
		2463
2145	=item $client->ext_event ($type, %msg)	2464	=item $client->ext_event ($type, %msg)
2146		2465
2147	Sends an exti event to the client.	2466	Sends an ext event to the client.
2148		2467
2149	=cut	2468	=cut
2150		2469
2151	sub cf::client::ext_event($$%) {	2470	sub cf::client::ext_event($$%) {
2152	my ($self, $type, %msg) = @_;	2471	my ($self, $type, %msg) = @_;
2153		2472
		2473	return unless $self->extcmd;
		2474
2154	$msg{msgtype} = "event_$type";	2475	$msg{msgtype} = "event_$type";
2155	$self->send_packet ("ext " . cf::to_json \%msg);	2476	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
2156	}	2477	}
2157		2478
2158	=item $success = $client->query ($flags, "text", \&cb)	2479	=item $success = $client->query ($flags, "text", \&cb)
2159		2480
2160	Queues a query to the client, calling the given callback with	2481	Queues a query to the client, calling the given callback with
2161	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2482	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2162	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2483	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2163		2484
2164	Queries can fail, so check the return code. Or don't, as queries will become	2485	Queries can fail, so check the return code. Or don't, as queries will
2165	reliable at some point in the future.	2486	become reliable at some point in the future.
2166		2487
2167	=cut	2488	=cut
2168		2489
2169	sub cf::client::query {	2490	sub cf::client::query {
2170	my ($self, $flags, $text, $cb) = @_;	2491	my ($self, $flags, $text, $cb) = @_;
…		…
2178	utf8::encode $text;	2499	utf8::encode $text;
2179	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2500	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2180		2501
2181	$self->send_packet ($self->{query_queue}[0][0])	2502	$self->send_packet ($self->{query_queue}[0][0])
2182	if @{ $self->{query_queue} } == 1;	2503	if @{ $self->{query_queue} } == 1;
		2504
		2505	1
2183	}	2506	}
2184		2507
2185	cf::client->attach (	2508	cf::client->attach (
		2509	on_connect => sub {
		2510	my ($ns) = @_;
		2511
		2512	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2513	},
2186	on_reply => sub {	2514	on_reply => sub {
2187	my ($ns, $msg) = @_;	2515	my ($ns, $msg) = @_;
2188		2516
2189	# this weird shuffling is so that direct followup queries	2517	# this weird shuffling is so that direct followup queries
2190	# get handled first	2518	# get handled first
…		…
2202	} else {	2530	} else {
2203	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2531	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2204	}	2532	}
2205	}	2533	}
2206	},	2534	},
		2535	on_exticmd => sub {
		2536	my ($ns, $buf) = @_;
		2537
		2538	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2539
		2540	if (ref $msg) {
		2541	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2542	if (my %reply = $cb->($ns, $msg)) {
		2543	$reply{msgid} = $msg->{msgid};
		2544	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2545	}
		2546	}
		2547	} else {
		2548	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2549	}
		2550
		2551	cf::override;
		2552	},
2207	);	2553	);
2208		2554
2209	=item $client->async (\&cb)	2555	=item $client->async (\&cb)
2210		2556
2211	Create a new coroutine, running the specified callback. The coroutine will	2557	Create a new coroutine, running the specified callback. The coroutine will
…		…
2260		2606
2261	=pod	2607	=pod
2262		2608
2263	The following functions and methods are available within a safe environment:	2609	The following functions and methods are available within a safe environment:
2264		2610
2265	cf::object contr pay_amount pay_player map	2611	cf::object
		2612	contr pay_amount pay_player map x y force_find force_add
		2613	insert remove
		2614
2266	cf::object::player player	2615	cf::object::player
2267	cf::player peaceful	2616	player
2268	cf::map trigger	2617
		2618	cf::player
		2619	peaceful
		2620
		2621	cf::map
		2622	trigger
2269		2623
2270	=cut	2624	=cut
2271		2625
2272	for (	2626	for (
2273	["cf::object" => qw(contr pay_amount pay_player map)],	2627	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2628	insert remove)],
2274	["cf::object::player" => qw(player)],	2629	["cf::object::player" => qw(player)],
2275	["cf::player" => qw(peaceful)],	2630	["cf::player" => qw(peaceful)],
2276	["cf::map" => qw(trigger)],	2631	["cf::map" => qw(trigger)],
2277	) {	2632	) {
2278	no strict 'refs';	2633	no strict 'refs';
…		…
2349	=back	2704	=back
2350		2705
2351	=cut	2706	=cut
2352		2707
2353	#############################################################################	2708	#############################################################################
2354
2355	=head2 EXTENSION DATABASE SUPPORT
2356
2357	Crossfire maintains a very simple database for extension use. It can
2358	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2359	convert to/from binary).
2360
2361	The parameter C<$family> should best start with the name of the extension
2362	using it, it should be unique.
2363
2364	=over 4
2365
2366	=item $value = cf::db_get $family => $key
2367
2368	Returns a single value from the database.
2369
2370	=item cf::db_put $family => $key => $value
2371
2372	Stores the given C<$value> in the family.
2373
2374	=cut
2375
2376	our $DB;
2377
2378	sub db_init {
2379	unless ($DB) {
2380	$DB = BDB::db_create $DB_ENV;
2381
2382	cf::sync_job {
2383	eval {
2384	$DB->set_flags (BDB::CHKSUM);
2385
2386	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2387	BDB::CREATE \| BDB::AUTO_COMMIT, 0666;
2388	cf::cleanup "db_open(db): $!" if $!;
2389	};
2390	cf::cleanup "db_open(db): $@" if $@;
2391	};
2392	}
2393	}
2394
2395	sub db_get($$) {
2396	my $key = "$_[0]/$_[1]";
2397
2398	cf::sync_job {
2399	BDB::db_get $DB, undef, $key, my $data;
2400
2401	$! ? ()
2402	: $data
2403	}
2404	}
2405
2406	sub db_put($$$) {
2407	BDB::dbreq_pri 4;
2408	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2409	}
2410
2411	=item cf::cache $id => [$paths...], $processversion => $process
2412
2413	Generic caching function that returns the value of the resource $id,
2414	caching and regenerating as required.
2415
2416	This function can block.
2417
2418	=cut
2419
2420	sub cache {
2421	my ($id, $src, $processversion, $process) = @_;
2422
2423	my $meta =
2424	join "\x00",
2425	$processversion,
2426	map {
2427	aio_stat $_
2428	and Carp::croak "$_: $!";
2429
2430	($_, (stat _)[7,9])
2431	} @$src;
2432
2433	my $dbmeta = db_get cache => "$id/meta";
2434	if ($dbmeta ne $meta) {
2435	# changed, we may need to process
2436
2437	my @data;
2438	my $md5;
2439
2440	for (0 .. $#$src) {
2441	0 <= aio_load $src->[$_], $data[$_]
2442	or Carp::croak "$src->[$_]: $!";
2443	}
2444
2445	# if processing is expensive, check
2446	# checksum first
2447	if (1) {
2448	$md5 =
2449	join "\x00",
2450	$processversion,
2451	map {
2452	Coro::cede;
2453	($src->[$_], Digest::MD5::md5_hex $data[$_])
2454	} 0.. $#$src;
2455
2456
2457	my $dbmd5 = db_get cache => "$id/md5";
2458	if ($dbmd5 eq $md5) {
2459	db_put cache => "$id/meta", $meta;
2460
2461	return db_get cache => "$id/data";
2462	}
2463	}
2464
2465	my $t1 = Time::HiRes::time;
2466	my $data = $process->(\@data);
2467	my $t2 = Time::HiRes::time;
2468
2469	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2470
2471	db_put cache => "$id/data", $data;
2472	db_put cache => "$id/md5" , $md5;
2473	db_put cache => "$id/meta", $meta;
2474
2475	return $data;
2476	}
2477
2478	db_get cache => "$id/data"
2479	}
2480
2481	=item fork_call { }, $args
2482
2483	Executes the given code block with the given arguments in a seperate
2484	process, returning the results. Everything must be serialisable with
2485	Coro::Storable. May, of course, block. Note that the executed sub may
2486	never block itself or use any form of Event handling.
2487
2488	=cut
2489
2490	sub fork_call(&@) {
2491	my ($cb, @args) = @_;
2492
2493	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2494	# or die "socketpair: $!";
2495	pipe my $fh1, my $fh2
2496	or die "pipe: $!";
2497
2498	if (my $pid = fork) {
2499	close $fh2;
2500
2501	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2502	$res = Coro::Storable::thaw $res;
2503
2504	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2505
2506	die $$res unless "ARRAY" eq ref $res;
2507
2508	return wantarray ? @$res : $res->[-1];
2509	} else {
2510	reset_signals;
2511	local $SIG{__WARN__};
2512	local $SIG{__DIE__};
2513	eval {
2514	close $fh1;
2515
2516	my @res = eval { $cb->(@args) };
2517	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2518	};
2519
2520	warn $@ if $@;
2521	_exit 0;
2522	}
2523	}
2524
2525	#############################################################################
2526	# the server's init and main functions	2709	# the server's init and main functions
2527		2710
2528	sub load_facedata($) {	2711	sub load_facedata($) {
2529	my ($path) = @_;	2712	my ($path) = @_;
2530		2713
…		…
2542	{	2725	{
2543	my $faces = $facedata->{faceinfo};	2726	my $faces = $facedata->{faceinfo};
2544		2727
2545	while (my ($face, $info) = each %$faces) {	2728	while (my ($face, $info) = each %$faces) {
2546	my $idx = (cf::face::find $face) \|\| cf::face::alloc $face;	2729	my $idx = (cf::face::find $face) \|\| cf::face::alloc $face;
2547	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2730	cf::face::set_visibility $idx, $info->{visibility};
		2731	cf::face::set_magicmap $idx, $info->{magicmap};
2548	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2732	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2549	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2733	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2550	Coro::cede;	2734
		2735	cf::cede_to_tick;
2551	}	2736	}
2552		2737
2553	while (my ($face, $info) = each %$faces) {	2738	while (my ($face, $info) = each %$faces) {
2554	next unless $info->{smooth};	2739	next unless $info->{smooth};
2555	my $idx = cf::face::find $face	2740	my $idx = cf::face::find $face
2556	or next;	2741	or next;
2557	if (my $smooth = cf::face::find $info->{smooth}) {	2742	if (my $smooth = cf::face::find $info->{smooth}) {
		2743	cf::face::set_smooth $idx, $smooth;
2558	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2744	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2559	} else {	2745	} else {
2560	warn "smooth face '$info->{smooth}' not found for face '$face'";	2746	warn "smooth face '$info->{smooth}' not found for face '$face'";
2561	}	2747	}
2562	Coro::cede;	2748
		2749	cf::cede_to_tick;
2563	}	2750	}
2564	}	2751	}
2565		2752
2566	{	2753	{
2567	my $anims = $facedata->{animinfo};	2754	my $anims = $facedata->{animinfo};
2568		2755
2569	while (my ($anim, $info) = each %$anims) {	2756	while (my ($anim, $info) = each %$anims) {
2570	cf::anim::set $anim, $info->{frames}, $info->{facings};	2757	cf::anim::set $anim, $info->{frames}, $info->{facings};
2571	Coro::cede;	2758	cf::cede_to_tick;
2572	}	2759	}
2573		2760
2574	cf::anim::invalidate_all; # d'oh	2761	cf::anim::invalidate_all; # d'oh
		2762	}
		2763
		2764	{
		2765	# TODO: for gcfclient pleasure, we should give resources
		2766	# that gcfclient doesn't grok a >10000 face index.
		2767	my $res = $facedata->{resource};
		2768	my $enc = JSON::XS->new->utf8->canonical;
		2769
		2770	while (my ($name, $info) = each %$res) {
		2771	my $meta = $enc->encode ({
		2772	name => $name,
		2773	type => $info->{type},
		2774	copyright => $info->{copyright}, #TODO#
		2775	});
		2776
		2777	my $idx = (cf::face::find $name) \|\| cf::face::alloc $name;
		2778
		2779	if ($name =~ /\.jpg$/) {
		2780	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2781	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2782	} else {
		2783	my $data = pack "(w/a)", $meta, $info->{data};
		2784	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2785
		2786	cf::face::set_type $idx, 1;
		2787	cf::face::set_data $idx, 0, $data, $chk;
		2788	}
		2789
		2790	cf::cede_to_tick;
		2791	}
2575	}	2792	}
2576		2793
2577	1	2794	1
2578	}	2795	}
2579		2796
2580	sub reload_regions {	2797	sub reload_regions {
2581	load_resource_file "$MAPDIR/regions"	2798	load_resource_file "$MAPDIR/regions"
2582	or die "unable to load regions file\n";	2799	or die "unable to load regions file\n";
		2800
		2801	for (cf::region::list) {
		2802	$_->{match} = qr/$_->{match}/
		2803	if exists $_->{match};
		2804	}
2583	}	2805	}
2584		2806
2585	sub reload_facedata {	2807	sub reload_facedata {
2586	load_facedata "$DATADIR/facedata"	2808	load_facedata "$DATADIR/facedata"
2587	or die "unable to load facedata\n";	2809	or die "unable to load facedata\n";
2588	}	2810	}
2589		2811
2590	sub reload_archetypes {	2812	sub reload_archetypes {
		2813	load_resource_file "$DATADIR/archetypes"
		2814	or die "unable to load archetypes\n";
		2815	#d# NEED to laod twice to resolve forward references
		2816	# this really needs to be done in an extra post-pass
		2817	# (which needs to be synchronous, so solve it differently)
2591	load_resource_file "$DATADIR/archetypes"	2818	load_resource_file "$DATADIR/archetypes"
2592	or die "unable to load archetypes\n";	2819	or die "unable to load archetypes\n";
2593	}	2820	}
2594		2821
2595	sub reload_treasures {	2822	sub reload_treasures {
…		…
2667	},	2894	},
2668	);	2895	);
2669	}	2896	}
2670	}	2897	}
2671		2898
		2899	sub write_runtime {
		2900	my $runtime = "$LOCALDIR/runtime";
		2901
		2902	# first touch the runtime file to show we are still running:
		2903	# the fsync below can take a very very long time.
		2904
		2905	IO::AIO::aio_utime $runtime, undef, undef;
		2906
		2907	my $guard = cf::lock_acquire "write_runtime";
		2908
		2909	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644
		2910	or return;
		2911
		2912	my $value = $cf::RUNTIME + 90 + 10;
		2913	# 10 is the runtime save interval, for a monotonic clock
		2914	# 60 allows for the watchdog to kill the server.
		2915
		2916	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2917	and return;
		2918
		2919	# always fsync - this file is important
		2920	aio_fsync $fh
		2921	and return;
		2922
		2923	# touch it again to show we are up-to-date
		2924	aio_utime $fh, undef, undef;
		2925
		2926	close $fh
		2927	or return;
		2928
		2929	aio_rename "$runtime~", $runtime
		2930	and return;
		2931
		2932	warn "runtime file written.\n";
		2933
		2934	1
		2935	}
		2936
2672	sub emergency_save() {	2937	sub emergency_save() {
2673	my $freeze_guard = cf::freeze_mainloop;	2938	my $freeze_guard = cf::freeze_mainloop;
2674		2939
2675	warn "enter emergency perl save\n";	2940	warn "enter emergency perl save\n";
2676		2941
…		…
2751	%EXT_CORO = ();	3016	%EXT_CORO = ();
2752		3017
2753	warn "removing commands";	3018	warn "removing commands";
2754	%COMMAND = ();	3019	%COMMAND = ();
2755		3020
2756	warn "removing ext commands";	3021	warn "removing ext/exti commands";
2757	%EXTCMD = ();	3022	%EXTCMD = ();
		3023	%EXTICMD = ();
2758		3024
2759	warn "unloading/nuking all extensions";	3025	warn "unloading/nuking all extensions";
2760	for my $pkg (@EXTS) {	3026	for my $pkg (@EXTS) {
2761	warn "... unloading $pkg";	3027	warn "... unloading $pkg";
2762		3028

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.277 by root, Sun Jun 10 04:24:50 2007 UTC vs. Revision 1.308 by root, Mon Jul 16 14:09:40 2007 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.277 by root, Sun Jun 10 04:24:50 2007 UTC vs.
Revision 1.308 by root, Mon Jul 16 14:09:40 2007 UTC