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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.272 by root, Sun Jun 3 15:32:50 2007 UTC vs.
Revision 1.284 by root, Sun Jun 24 04:15:42 2007 UTC

…		…
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		192	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	193	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		194
194	# we bless all objects into (empty) derived classes to force a method lookup	195	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	196	# within the Safe compartment.
196	for my $pkg (qw(	197	for my $pkg (qw(
197	cf::global cf::attachable	198	cf::global cf::attachable
…		…
205	}	206	}
206		207
207	$Event::DIED = sub {	208	$Event::DIED = sub {
208	warn "error in event callback: @_";	209	warn "error in event callback: @_";
209	};	210	};
		211
		212	#############################################################################
210		213
211	=head2 UTILITY FUNCTIONS	214	=head2 UTILITY FUNCTIONS
212		215
213	=over 4	216	=over 4
214		217
…		…
317		320
318	BEGIN { *async = \&Coro::async_pool }	321	BEGIN { *async = \&Coro::async_pool }
319		322
320	=item cf::sync_job { BLOCK }	323	=item cf::sync_job { BLOCK }
321		324
322	The design of crossfire+ requires that the main coro ($Coro::main) is	325	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	326	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.	327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		328	acceptable.
325		329
326	If it must be done, put the blocking parts into C<sync_job>. This will run	330	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	331	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	332	server will be frozen during this time, so the block should either finish
329	fast or be very important.	333	fast or be very important.
…		…
389	$EXT_CORO{$coro+0} = $coro;	393	$EXT_CORO{$coro+0} = $coro;
390		394
391	$coro	395	$coro
392	}	396	}
393		397
394	sub write_runtime {	398	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		399
397	# first touch the runtime file to show we are still running:	400	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	401	process, returning the results. Everything must be serialisable with
		402	Coro::Storable. May, of course, block. Note that the executed sub may
		403	never block itself or use any form of Event handling.
399		404
400	IO::AIO::aio_utime $runtime, undef, undef;	405	=cut
401		406
402	my $guard = cf::lock_acquire "write_runtime";	407	sub fork_call(&@) {
		408	my ($cb, @args) = @_;
403		409
404	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644	410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
405	or return;	411	# or die "socketpair: $!";
		412	pipe my $fh1, my $fh2
		413	or die "pipe: $!";
406		414
407	my $value = $cf::RUNTIME + 90 + 10;	415	if (my $pid = fork) {
408	# 10 is the runtime save interval, for a monotonic clock
409	# 60 allows for the watchdog to kill the server.
410
411	(aio_write $fh, 0, (length $value), $value, 0) <= 0
412	and return;
413
414	# always fsync - this file is important
415	aio_fsync $fh
416	and return;
417
418	# touch it again to show we are up-to-date
419	aio_utime $fh, undef, undef;
420
421	close $fh	416	close $fh2;
422	or return;
423		417
424	aio_rename "$runtime~", $runtime	418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
425	and return;	419	$res = Coro::Storable::thaw $res;
426		420
427	warn "runtime file written.\n";#d#	421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
428		422
		423	die $$res unless "ARRAY" eq ref $res;
		424
		425	return wantarray ? @$res : $res->[-1];
		426	} else {
		427	reset_signals;
		428	local $SIG{__WARN__};
		429	local $SIG{__DIE__};
		430	eval {
		431	close $fh1;
		432
		433	my @res = eval { $cb->(@args) };
		434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		435	};
		436
		437	warn $@ if $@;
		438	_exit 0;
429	1	439	}
		440	}
		441
		442	=item $value = cf::db_get $family => $key
		443
		444	Returns a single value from the environment database.
		445
		446	=item cf::db_put $family => $key => $value
		447
		448	Stores the given C<$value> in the family. It can currently store binary
		449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		450
		451	=cut
		452
		453	our $DB;
		454
		455	sub db_init {
		456	unless ($DB) {
		457	$DB = BDB::db_create $DB_ENV;
		458
		459	cf::sync_job {
		460	eval {
		461	$DB->set_flags (BDB::CHKSUM);
		462
		463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		464	BDB::CREATE \| BDB::AUTO_COMMIT, 0666;
		465	cf::cleanup "db_open(db): $!" if $!;
		466	};
		467	cf::cleanup "db_open(db): $@" if $@;
		468	};
		469	}
		470	}
		471
		472	sub db_get($$) {
		473	my $key = "$_[0]/$_[1]";
		474
		475	cf::sync_job {
		476	BDB::db_get $DB, undef, $key, my $data;
		477
		478	$! ? ()
		479	: $data
		480	}
		481	}
		482
		483	sub db_put($$$) {
		484	BDB::dbreq_pri 4;
		485	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		486	}
		487
		488	=item cf::cache $id => [$paths...], $processversion => $process
		489
		490	Generic caching function that returns the value of the resource $id,
		491	caching and regenerating as required.
		492
		493	This function can block.
		494
		495	=cut
		496
		497	sub cache {
		498	my ($id, $src, $processversion, $process) = @_;
		499
		500	my $meta =
		501	join "\x00",
		502	$processversion,
		503	map {
		504	aio_stat $_
		505	and Carp::croak "$_: $!";
		506
		507	($_, (stat _)[7,9])
		508	} @$src;
		509
		510	my $dbmeta = db_get cache => "$id/meta";
		511	if ($dbmeta ne $meta) {
		512	# changed, we may need to process
		513
		514	my @data;
		515	my $md5;
		516
		517	for (0 .. $#$src) {
		518	0 <= aio_load $src->[$_], $data[$_]
		519	or Carp::croak "$src->[$_]: $!";
		520	}
		521
		522	# if processing is expensive, check
		523	# checksum first
		524	if (1) {
		525	$md5 =
		526	join "\x00",
		527	$processversion,
		528	map {
		529	Coro::cede;
		530	($src->[$_], Digest::MD5::md5_hex $data[$_])
		531	} 0.. $#$src;
		532
		533
		534	my $dbmd5 = db_get cache => "$id/md5";
		535	if ($dbmd5 eq $md5) {
		536	db_put cache => "$id/meta", $meta;
		537
		538	return db_get cache => "$id/data";
		539	}
		540	}
		541
		542	my $t1 = Time::HiRes::time;
		543	my $data = $process->(\@data);
		544	my $t2 = Time::HiRes::time;
		545
		546	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		547
		548	db_put cache => "$id/data", $data;
		549	db_put cache => "$id/md5" , $md5;
		550	db_put cache => "$id/meta", $meta;
		551
		552	return $data;
		553	}
		554
		555	db_get cache => "$id/data"
430	}	556	}
431		557
432	=item cf::datalog type => key => value, ...	558	=item cf::datalog type => key => value, ...
433		559
434	Log a datalog packet of the given type with the given key-value pairs.	560	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")	578	attach callbacks/event handlers (a collection of which is called an "attachment")
453	to it. All such attachable objects support the following methods.	579	to it. All such attachable objects support the following methods.
454		580
455	In the following description, CLASS can be any of C<global>, C<object>	581	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	582	C<player>, C<client> or C<map> (i.e. the attachable objects in
457	crossfire+).	583	Crossfire TRT).
458		584
459	=over 4	585	=over 4
460		586
461	=item $attachable->attach ($attachment, key => $value...)	587	=item $attachable->attach ($attachment, key => $value...)
462		588
…		…
664	_attach $registry, $klass, @attach;	790	_attach $registry, $klass, @attach;
665	}	791	}
666		792
667	$obj->{$name} = \%arg;	793	$obj->{$name} = \%arg;
668	} else {	794	} else {
669	warn "object uses attachment '$name' that is not available, postponing.\n";	795	warn "object uses attachment '$name' which is not available, postponing.\n";
670	}	796	}
671		797
672	$obj->{_attachment}{$name} = undef;	798	$obj->{_attachment}{$name} = undef;
673	}	799	}
674		800
…		…
872	or return;	998	or return;
873	$av = eval { (Storable::thaw $av)->{objs} };	999	$av = eval { (Storable::thaw $av)->{objs} };
874	}	1000	}
875		1001
876	warn sprintf "loading %s (%d)\n",	1002	warn sprintf "loading %s (%d)\n",
877	$filename, length $data, scalar @{$av \|\| []};#d#	1003	$filename, length $data, scalar @{$av \|\| []};
878	return ($data, $av);	1004	return ($data, $av);
879	}	1005	}
		1006
		1007	=head2 COMMAND CALLBACKS
		1008
		1009	=over 4
		1010
		1011	=cut
880		1012
881	#############################################################################	1013	#############################################################################
882	# command handling &c	1014	# command handling &c
883		1015
884	=item cf::register_command $name => \&callback($ob,$args);	1016	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1029	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1030	}
899		1031
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1032	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1033
902	Register a callbackf ro execution when the client sends an extcmd packet.	1034	Register a callback fro execution when the client sends an extcmd packet.
903		1035
904	If the callback returns something, it is sent back as if reply was being	1036	If the callback returns something, it is sent back as if reply was being
905	called.	1037	called.
906		1038
907	=cut	1039	=cut
…		…
942		1074
943	cf::override;	1075	cf::override;
944	},	1076	},
945	);	1077	);
946		1078
947	sub load_extension {
948	my ($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 {	1079	sub load_extensions {
		1080	cf::sync_job {
		1081	my %todo;
		1082
982	for my $ext (<$LIBDIR/*.ext>) {	1083	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1084	next unless -r $path;
984	eval {	1085
985	load_extension $ext;	1086	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1087	my $base = $1;
		1088	my $pkg = $1;
		1089	$pkg =~ s/[^[:word:]]/_/g;
		1090	$pkg = "ext::$pkg";
		1091
		1092	open my $fh, "<:utf8", $path
		1093	or die "$path: $!";
		1094
		1095	my $source = do { local $/; <$fh> };
		1096
		1097	my %ext = (
		1098	path => $path,
		1099	base => $base,
		1100	pkg => $pkg,
		1101	);
		1102
		1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1104	if $source =~ /\A#!.?perl.?#\s(.)$/m;
		1105
		1106	$ext{source} =
		1107	"package $pkg; use strict; use utf8;\n"
		1108	. "#line 1 \"$path\"\n{\n"
		1109	. $source
		1110	. "\n};\n1";
		1111
		1112	$todo{$base} = \%ext;
		1113	}
		1114
		1115	my %done;
		1116	while (%todo) {
		1117	my $progress;
		1118
		1119	while (my ($k, $v) = each %todo) {
		1120	for (split /,\s*/, $v->{meta}{depends}) {
		1121	goto skip
		1122	unless exists $done{$_};
		1123	}
		1124
		1125	warn "... loading '$k' into '$v->{pkg}'\n";
		1126
		1127	unless (eval $v->{source}) {
		1128	my $msg = $@ ? "$v->{path}: $@\n"
		1129	: "$v->{base}: extension inactive.\n";
		1130
		1131	if (exists $v->{meta}{mandatory}) {
		1132	warn $msg;
		1133	warn "mandatory extension failed to load, exiting.\n";
		1134	exit 1;
		1135	}
		1136
		1137	warn $msg;
		1138	}
		1139
		1140	$done{$k} = delete $todo{$k};
		1141	push @EXTS, $v->{pkg};
		1142	$progress = 1;
986	1	1143	}
987	} or warn "$ext not loaded: $@";	1144
		1145	skip:
		1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1147	unless $progress;
		1148	}
988	}	1149	};
989	}	1150	}
990		1151
991	#############################################################################	1152	#############################################################################
		1153
		1154	=back
992		1155
993	=head2 CORE EXTENSIONS	1156	=head2 CORE EXTENSIONS
994		1157
995	Functions and methods that extend core crossfire objects.	1158	Functions and methods that extend core crossfire objects.
996		1159
…		…
1184	}	1347	}
1185		1348
1186	\@paths	1349	\@paths
1187	}	1350	}
1188		1351
		1352	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1353
		1354	Expand crossfire pod fragments into protocol xml.
		1355
		1356	=cut
		1357
		1358	sub expand_cfpod {
		1359	((my $self), (local $_)) = @_;
		1360
		1361	# escape & and <
		1362	s/&/&/g;
		1363	s/(?<![BIUGH])</</g;
		1364
		1365	# this is buggy, it needs to properly take care of nested <'s
		1366
		1367	1 while
		1368	# replace B<>, I<>, U<> etc.
		1369	s/B<([^\>]*)>/<b>$1<\/b>/
		1370	\|\| s/I<([^\>]*)>/<i>$1<\/i>/
		1371	\|\| s/U<([^\>]*)>/<u>$1<\/u>/
		1372	# replace G<male\|female> tags
		1373	\|\| s{G<([^>\|])\\|([^>])>}{
		1374	$self->gender ? $2 : $1
		1375	}ge
		1376	# replace H<hint text>
		1377	\|\| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
		1378
		1379	# create single paragraphs (very hackish)
		1380	s/(?<=\S)\n(?=\w)/ /g;
		1381
		1382	$_
		1383	}
		1384
1189	=item $player->ext_reply ($msgid, %msg)	1385	=item $player->ext_reply ($msgid, %msg)
1190		1386
1191	Sends an ext reply to the player.	1387	Sends an ext reply to the player.
1192		1388
1193	=cut	1389	=cut
…		…
1220		1416
1221	package cf::region;	1417	package cf::region;
1222		1418
1223	=item cf::region::find_by_path $path	1419	=item cf::region::find_by_path $path
1224		1420
1225	Tries to decuce the probable region for a map knowing only its path.	1421	Tries to decuce the likely region for a map knowing only its path.
1226		1422
1227	=cut	1423	=cut
1228		1424
1229	sub find_by_path($) {	1425	sub find_by_path($) {
1230	my ($path) = @_;	1426	my ($path) = @_;
…		…
1304	my ($self, $merge) = @_;	1500	my ($self, $merge) = @_;
1305		1501
1306	# we have to keep some variables in memory intact	1502	# we have to keep some variables in memory intact
1307	local $self->{path};	1503	local $self->{path};
1308	local $self->{load_path};	1504	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1505
1312	$self->SUPER::thawer_merge ($merge);	1506	$self->SUPER::thawer_merge ($merge);
1313	}	1507	}
1314		1508
1315	sub normalise {	1509	sub normalise {
…		…
1415		1609
1416	$_->change_map_light ($change)	1610	$_->change_map_light ($change)
1417	for grep $_->outdoor, values %cf::MAP;	1611	for grep $_->outdoor, values %cf::MAP;
1418	}	1612	}
1419		1613
		1614	sub decay_objects {
		1615	my ($self) = @_;
		1616
		1617	return if $self->{deny_reset};
		1618
		1619	$self->do_decay_objects;
		1620	}
		1621
1420	sub unlink_save {	1622	sub unlink_save {
1421	my ($self) = @_;	1623	my ($self) = @_;
1422		1624
1423	utf8::encode (my $save = $self->save_path);	1625	utf8::encode (my $save = $self->save_path);
1424	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1626	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1480	$self->load_header_orig	1682	$self->load_header_orig
1481	or return;	1683	or return;
1482	$self->prepare_orig;	1684	$self->prepare_orig;
1483	}	1685	}
1484		1686
		1687	$self->{deny_reset} = 1
		1688	if $self->no_reset;
		1689
1485	$self->default_region (cf::region::find_by_path $self->{path})	1690	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	1691	unless $self->default_region;
1487		1692
1488	1	1693	1
1489	}	1694	}
…		…
1504	$map->{last_save} = $cf::RUNTIME;	1709	$map->{last_save} = $cf::RUNTIME;
1505		1710
1506	$map->load_header	1711	$map->load_header
1507	or return;	1712	or return;
1508		1713
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1714	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	1715	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	1716	#$cf::WAIT_FOR_TICK->wait;
1512	$map->reset;	1717	$map->reset;
1513	undef $guard;	1718	undef $guard;
1514	return find $path;	1719	return find $path;
…		…
1581	my ($self, $ob) = @_;	1786	my ($self, $ob) = @_;
1582		1787
1583	return find "~" . $ob->name . "/" . $self->{path}	1788	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	1789	if $self->per_player;
1585		1790
		1791	# return find "?party/" . $ob->name . "/" . $self->{path}
		1792	# if $self->per_party;
		1793
1586	$self	1794	$self
1587	}	1795	}
1588		1796
1589	# find and load all maps in the 3x3 area around a map	1797	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	1798	sub load_diag {
…		…
1700		1908
1701	sub reset_at {	1909	sub reset_at {
1702	my ($self) = @_;	1910	my ($self) = @_;
1703		1911
1704	# TODO: safety, remove and allow resettable per-player maps	1912	# 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};	1913	return 1e99 if $self->{deny_reset};
1707		1914
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1915	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;	1916	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;
1710		1917
…		…
1721	my ($self) = @_;	1928	my ($self) = @_;
1722		1929
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	1930	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		1931
1725	return if $self->players;	1932	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		1933
1728	warn "resetting map ", $self->path;#d#	1934	warn "resetting map ", $self->path;
1729		1935
1730	$self->in_memory (cf::MAP_SWAPPED);	1936	$self->in_memory (cf::MAP_SWAPPED);
1731		1937
1732	# need to save uniques path	1938	# need to save uniques path
1733	unless ($self->{deny_save}) {	1939	unless ($self->{deny_save}) {
…		…
1765	$cf::MAP{$self->path} = $self;	1971	$cf::MAP{$self->path} = $self;
1766		1972
1767	$self->reset; # polite request, might not happen	1973	$self->reset; # polite request, might not happen
1768	}	1974	}
1769		1975
		1976	=item $maps = cf::map::tmp_maps
		1977
		1978	Returns an arrayref with all map paths of currently instantiated and saved
		1979	maps. May block.
		1980
		1981	=cut
		1982
		1983	sub tmp_maps() {
		1984	[
		1985	map {
		1986	utf8::decode $_;
		1987	/\.map$/
		1988	? normalise $_
		1989	: ()
		1990	} @{ aio_readdir $TMPDIR or [] }
		1991	]
		1992	}
		1993
		1994	=item $maps = cf::map::random_maps
		1995
		1996	Returns an arrayref with all map paths of currently instantiated and saved
		1997	random maps. May block.
		1998
		1999	=cut
		2000
		2001	sub random_maps() {
		2002	[
		2003	map {
		2004	utf8::decode $_;
		2005	/\.map$/
		2006	? normalise "?random/$_"
		2007	: ()
		2008	} @{ aio_readdir $RANDOMDIR or [] }
		2009	]
		2010	}
		2011
1770	=item cf::map::unique_maps	2012	=item cf::map::unique_maps
1771		2013
1772	Returns an arrayref of paths of all shared maps that have	2014	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2015	instantiated unique items. May block.
1774		2016
1775	=cut	2017	=cut
1776		2018
1777	sub unique_maps() {	2019	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2020	[
1779	or return;	2021	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2022	utf8::decode $_;
1785	next if /\.pst$/;	2023	/\.map$/
1786	next unless /^$PATH_SEP/o;	2024	? normalise $_
1787		2025	: ()
1788	push @paths, cf::map::normalise $_;	2026	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2027	]
1790
1791	\@paths
1792	}	2028	}
1793		2029
1794	package cf;	2030	package cf;
1795		2031
1796	=back	2032	=back
…		…
1842		2078
1843	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;	2079	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;
1844		2080
1845	if ($self->{record_replies}) {	2081	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2082	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2083
1847	} else {	2084	} else {
		2085	my $pl = $self->contr;
		2086
		2087	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2088	my $diag = $pl->{npc_dialog};
		2089	$diag->{pl}->ext_reply (
		2090	$diag->{id},
		2091	msgtype => "reply",
		2092	msg => $diag->{pl}->expand_cfpod ($msg),
		2093	add_topics => []
		2094	);
		2095
		2096	} else {
1848	$msg = $npc->name . " says: $msg" if $npc;	2097	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2098	$self->message ($msg, $flags);
		2099	}
1850	}	2100	}
1851	}	2101	}
1852		2102
1853	=item $player_object->may ("access")	2103	=item $player_object->may ("access")
1854		2104
…		…
2097	sub cf::client::send_drawinfo {	2347	sub cf::client::send_drawinfo {
2098	my ($self, $text, $flags) = @_;	2348	my ($self, $text, $flags) = @_;
2099		2349
2100	utf8::encode $text;	2350	utf8::encode $text;
2101	$self->send_packet (sprintf "drawinfo %d %s", $flags \|\| cf::NDI_BLACK, $text);	2351	$self->send_packet (sprintf "drawinfo %d %s", $flags \|\| cf::NDI_BLACK, $text);
		2352	}
		2353
		2354	=item $client->send_msg ($color, $type, $msg, [extra...])
		2355
		2356	Send a drawinfo or msg packet to the client, formatting the msg for the
		2357	client if neccessary. C<$type> should be a string identifying the type of
		2358	the message, with C<log> being the default. If C<$color> is negative, suppress
		2359	the message unless the client supports the msg packet.
		2360
		2361	=cut
		2362
		2363	sub cf::client::send_msg {
		2364	my ($self, $color, $type, $msg, @extra) = @_;
		2365
		2366	$msg = $self->pl->expand_cfpod ($msg);
		2367
		2368	if ($self->can_msg) {
		2369	$self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);
		2370	} else {
		2371	# replace some tags by gcfclient-compatible ones
		2372	for ($msg) {
		2373	1 while
		2374	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2375	\|\| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2376	\|\| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2377	\|\| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2378	\|\| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${1}[\/color]/;
		2379	}
		2380
		2381	if ($color >= 0) {
		2382	if (0 && $msg =~ /\[/) {
		2383	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2384	} else {
		2385	s/\[\/?(?:b\|i\|u\|fixed\|color)[^\]]*\]//g;
		2386	$self->send_packet ("drawinfo $color $msg")
		2387	}
		2388	}
		2389	}
2102	}	2390	}
2103		2391
2104	=item $client->ext_event ($type, %msg)	2392	=item $client->ext_event ($type, %msg)
2105		2393
2106	Sends an exti event to the client.	2394	Sends an exti event to the client.
…		…
2308	=back	2596	=back
2309		2597
2310	=cut	2598	=cut
2311		2599
2312	#############################################################################	2600	#############################################################################
2313
2314	=head2 EXTENSION DATABASE SUPPORT
2315
2316	Crossfire maintains a very simple database for extension use. It can
2317	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2318	convert to/from binary).
2319
2320	The parameter C<$family> should best start with the name of the extension
2321	using it, it should be unique.
2322
2323	=over 4
2324
2325	=item $value = cf::db_get $family => $key
2326
2327	Returns a single value from the database.
2328
2329	=item cf::db_put $family => $key => $value
2330
2331	Stores the given C<$value> in the family.
2332
2333	=cut
2334
2335	our $DB;
2336
2337	sub db_init {
2338	unless ($DB) {
2339	$DB = BDB::db_create $DB_ENV;
2340
2341	cf::sync_job {
2342	eval {
2343	$DB->set_flags (BDB::CHKSUM);
2344
2345	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2346	BDB::CREATE \| BDB::AUTO_COMMIT, 0666;
2347	cf::cleanup "db_open(db): $!" if $!;
2348	};
2349	cf::cleanup "db_open(db): $@" if $@;
2350	};
2351	}
2352	}
2353
2354	sub db_get($$) {
2355	my $key = "$_[0]/$_[1]";
2356
2357	cf::sync_job {
2358	BDB::db_get $DB, undef, $key, my $data;
2359
2360	$! ? ()
2361	: $data
2362	}
2363	}
2364
2365	sub db_put($$$) {
2366	BDB::dbreq_pri 4;
2367	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2368	}
2369
2370	=item cf::cache $id => [$paths...], $processversion => $process
2371
2372	Generic caching function that returns the value of the resource $id,
2373	caching and regenerating as required.
2374
2375	This function can block.
2376
2377	=cut
2378
2379	sub cache {
2380	my ($id, $src, $processversion, $process) = @_;
2381
2382	my $meta =
2383	join "\x00",
2384	$processversion,
2385	map {
2386	aio_stat $_
2387	and Carp::croak "$_: $!";
2388
2389	($_, (stat _)[7,9])
2390	} @$src;
2391
2392	my $dbmeta = db_get cache => "$id/meta";
2393	if ($dbmeta ne $meta) {
2394	# changed, we may need to process
2395
2396	my @data;
2397	my $md5;
2398
2399	for (0 .. $#$src) {
2400	0 <= aio_load $src->[$_], $data[$_]
2401	or Carp::croak "$src->[$_]: $!";
2402	}
2403
2404	# if processing is expensive, check
2405	# checksum first
2406	if (1) {
2407	$md5 =
2408	join "\x00",
2409	$processversion,
2410	map {
2411	Coro::cede;
2412	($src->[$_], Digest::MD5::md5_hex $data[$_])
2413	} 0.. $#$src;
2414
2415
2416	my $dbmd5 = db_get cache => "$id/md5";
2417	if ($dbmd5 eq $md5) {
2418	db_put cache => "$id/meta", $meta;
2419
2420	return db_get cache => "$id/data";
2421	}
2422	}
2423
2424	my $t1 = Time::HiRes::time;
2425	my $data = $process->(\@data);
2426	my $t2 = Time::HiRes::time;
2427
2428	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2429
2430	db_put cache => "$id/data", $data;
2431	db_put cache => "$id/md5" , $md5;
2432	db_put cache => "$id/meta", $meta;
2433
2434	return $data;
2435	}
2436
2437	db_get cache => "$id/data"
2438	}
2439
2440	=item fork_call { }, $args
2441
2442	Executes the given code block with the given arguments in a seperate
2443	process, returning the results. Everything must be serialisable with
2444	Coro::Storable. May, of course, block. Note that the executed sub may
2445	never block itself or use any form of Event handling.
2446
2447	=cut
2448
2449	sub fork_call(&@) {
2450	my ($cb, @args) = @_;
2451
2452	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2453	# or die "socketpair: $!";
2454	pipe my $fh1, my $fh2
2455	or die "pipe: $!";
2456
2457	if (my $pid = fork) {
2458	close $fh2;
2459
2460	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2461	$res = Coro::Storable::thaw $res;
2462
2463	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2464
2465	die $$res unless "ARRAY" eq ref $res;
2466
2467	return wantarray ? @$res : $res->[-1];
2468	} else {
2469	reset_signals;
2470	local $SIG{__WARN__};
2471	local $SIG{__DIE__};
2472	eval {
2473	close $fh1;
2474
2475	my @res = eval { $cb->(@args) };
2476	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2477	};
2478
2479	warn $@ if $@;
2480	_exit 0;
2481	}
2482	}
2483
2484	#############################################################################
2485	# the server's init and main functions	2601	# the server's init and main functions
2486		2602
2487	sub load_facedata($) {	2603	sub load_facedata($) {
2488	my ($path) = @_;	2604	my ($path) = @_;
2489		2605
…		…
2501	{	2617	{
2502	my $faces = $facedata->{faceinfo};	2618	my $faces = $facedata->{faceinfo};
2503		2619
2504	while (my ($face, $info) = each %$faces) {	2620	while (my ($face, $info) = each %$faces) {
2505	my $idx = (cf::face::find $face) \|\| cf::face::alloc $face;	2621	my $idx = (cf::face::find $face) \|\| cf::face::alloc $face;
2506	warn "$face $info->{magicmap}\n" if $face =~ /obol/;#d#
2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2622	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2623	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2624	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2510	Coro::cede;	2625	Coro::cede;
2511	}	2626	}
…		…
2560	sub reload_resources {	2675	sub reload_resources {
2561	warn "reloading resource files...\n";	2676	warn "reloading resource files...\n";
2562		2677
2563	reload_regions;	2678	reload_regions;
2564	reload_facedata;	2679	reload_facedata;
		2680	#reload_archetypes;#d#
2565	reload_archetypes;	2681	reload_archetypes;
2566	reload_treasures;	2682	reload_treasures;
2567		2683
2568	warn "finished reloading resource files\n";	2684	warn "finished reloading resource files\n";
2569	}	2685	}
…		…
2624	cb => sub {	2740	cb => sub {
2625	cf::cleanup "SIG$signal";	2741	cf::cleanup "SIG$signal";
2626	},	2742	},
2627	);	2743	);
2628	}	2744	}
		2745	}
		2746
		2747	sub write_runtime {
		2748	my $runtime = "$LOCALDIR/runtime";
		2749
		2750	# first touch the runtime file to show we are still running:
		2751	# the fsync below can take a very very long time.
		2752
		2753	IO::AIO::aio_utime $runtime, undef, undef;
		2754
		2755	my $guard = cf::lock_acquire "write_runtime";
		2756
		2757	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644
		2758	or return;
		2759
		2760	my $value = $cf::RUNTIME + 90 + 10;
		2761	# 10 is the runtime save interval, for a monotonic clock
		2762	# 60 allows for the watchdog to kill the server.
		2763
		2764	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2765	and return;
		2766
		2767	# always fsync - this file is important
		2768	aio_fsync $fh
		2769	and return;
		2770
		2771	# touch it again to show we are up-to-date
		2772	aio_utime $fh, undef, undef;
		2773
		2774	close $fh
		2775	or return;
		2776
		2777	aio_rename "$runtime~", $runtime
		2778	and return;
		2779
		2780	warn "runtime file written.\n";
		2781
		2782	1
2629	}	2783	}
2630		2784
2631	sub emergency_save() {	2785	sub emergency_save() {
2632	my $freeze_guard = cf::freeze_mainloop;	2786	my $freeze_guard = cf::freeze_mainloop;
2633		2787

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.272 by root, Sun Jun 3 15:32:50 2007 UTC vs. Revision 1.284 by root, Sun Jun 24 04:15:42 2007 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.272 by root, Sun Jun 3 15:32:50 2007 UTC vs.
Revision 1.284 by root, Sun Jun 24 04:15:42 2007 UTC