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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.265 by root, Fri May 11 08:00:00 2007 UTC vs.
Revision 1.298 by root, Sun Jul 8 14:50:07 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.
…		…
356	Coro::cede or Event::one_event;	367	Coro::cede or Event::one_event;
357	}	368	}
358		369
359	$time = Event::time - $time;	370	$time = Event::time - $time;
360		371
361	LOG llevError \| logBacktrace, "long sync job\n"	372	LOG llevError \| logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5;	373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363		374
364	$tick_start += $time; # do not account sync jobs to server load	375	$tick_start += $time; # do not account sync jobs to server load
365		376
366	wantarray ? @res : $res[0]	377	wantarray ? @res : $res[0]
367	} else {	378	} else {
…		…
389	$EXT_CORO{$coro+0} = $coro;	400	$EXT_CORO{$coro+0} = $coro;
390		401
391	$coro	402	$coro
392	}	403	}
393		404
394	sub write_runtime {	405	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		406
397	# first touch the runtime file to show we are still running:	407	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	408	process, returning the results. Everything must be serialisable with
		409	Coro::Storable. May, of course, block. Note that the executed sub may
		410	never block itself or use any form of Event handling.
399		411
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	412	=cut
401	utime undef, undef, $fh;
402	}
403		413
404	my $guard = cf::lock_acquire "write_runtime";	414	sub fork_call(&@) {
		415	my ($cb, @args) = @_;
405		416
406	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644	417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
407	or return;	418	# or die "socketpair: $!";
		419	pipe my $fh1, my $fh2
		420	or die "pipe: $!";
408		421
409	my $value = $cf::RUNTIME + 90 + 10;	422	if (my $pid = fork) {
410	# 10 is the runtime save interval, for a monotonic clock
411	# 60 allows for the watchdog to kill the server.
412
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0
414	and return;
415
416	# always fsync - this file is important
417	aio_fsync $fh
418	and return;
419
420	# touch it again to show we are up-to-date
421	utime undef, undef, $fh;
422
423	close $fh	423	close $fh2;
424	or return;
425		424
426	aio_rename "$runtime~", $runtime	425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
427	and return;	426	warn "pst<$res>" unless $res =~ /^pst/;
		427	$res = Coro::Storable::thaw $res;
428		428
429	warn "runtime file written.\n";#d#	429	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
430		430
		431	Carp::confess $$res unless "ARRAY" eq ref $res;
		432
		433	return wantarray ? @$res : $res->[-1];
		434	} else {
		435	reset_signals;
		436	local $SIG{__WARN__};
		437	local $SIG{__DIE__};
		438	local $Coro::idle;
		439	$Coro::current->prio (Coro::PRIO_MAX);
		440	eval {
		441	close $fh1;
		442
		443	my @res = eval { $cb->(@args) };
		444
		445	open my $fh, ">", \my $buf
		446	or die "fork_call: cannot open fh-to-buf in child : $!";
		447	Storable::store_fd +($@ ? \"$@" : \@res), $fh;
		448	close $fh;
		449
		450	warn "writing ", length $buf;
		451	my $x;
		452	(length $buf) == ($x = syswrite $fh2, $buf)
		453	or warn "error writing ".(length $buf)." != $x\n";
		454	close $fh2;
		455	};
		456
		457	warn $@ if $@;
		458	_exit 0;
431	1	459	}
		460	}
		461
		462	=item $value = cf::db_get $family => $key
		463
		464	Returns a single value from the environment database.
		465
		466	=item cf::db_put $family => $key => $value
		467
		468	Stores the given C<$value> in the family. It can currently store binary
		469	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		470
		471	=cut
		472
		473	our $DB;
		474
		475	sub db_init {
		476	unless ($DB) {
		477	$DB = BDB::db_create $DB_ENV;
		478
		479	cf::sync_job {
		480	eval {
		481	$DB->set_flags (BDB::CHKSUM);
		482
		483	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		484	BDB::CREATE \| BDB::AUTO_COMMIT, 0666;
		485	cf::cleanup "db_open(db): $!" if $!;
		486	};
		487	cf::cleanup "db_open(db): $@" if $@;
		488	};
		489	}
		490	}
		491
		492	sub db_get($$) {
		493	my $key = "$_[0]/$_[1]";
		494
		495	cf::sync_job {
		496	BDB::db_get $DB, undef, $key, my $data;
		497
		498	$! ? ()
		499	: $data
		500	}
		501	}
		502
		503	sub db_put($$$) {
		504	BDB::dbreq_pri 4;
		505	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		506	}
		507
		508	=item cf::cache $id => [$paths...], $processversion => $process
		509
		510	Generic caching function that returns the value of the resource $id,
		511	caching and regenerating as required.
		512
		513	This function can block.
		514
		515	=cut
		516
		517	sub cache {
		518	my ($id, $src, $processversion, $process) = @_;
		519
		520	my $meta =
		521	join "\x00",
		522	$processversion,
		523	map {
		524	aio_stat $_
		525	and Carp::croak "$_: $!";
		526
		527	($_, (stat _)[7,9])
		528	} @$src;
		529
		530	my $dbmeta = db_get cache => "$id/meta";
		531	if ($dbmeta ne $meta) {
		532	# changed, we may need to process
		533
		534	my @data;
		535	my $md5;
		536
		537	for (0 .. $#$src) {
		538	0 <= aio_load $src->[$_], $data[$_]
		539	or Carp::croak "$src->[$_]: $!";
		540	}
		541
		542	# if processing is expensive, check
		543	# checksum first
		544	if (1) {
		545	$md5 =
		546	join "\x00",
		547	$processversion,
		548	map {
		549	Coro::cede;
		550	($src->[$_], Digest::MD5::md5_hex $data[$_])
		551	} 0.. $#$src;
		552
		553
		554	my $dbmd5 = db_get cache => "$id/md5";
		555	if ($dbmd5 eq $md5) {
		556	db_put cache => "$id/meta", $meta;
		557
		558	return db_get cache => "$id/data";
		559	}
		560	}
		561
		562	my $t1 = Time::HiRes::time;
		563	my $data = $process->(\@data);
		564	my $t2 = Time::HiRes::time;
		565
		566	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		567
		568	db_put cache => "$id/data", $data;
		569	db_put cache => "$id/md5" , $md5;
		570	db_put cache => "$id/meta", $meta;
		571
		572	return $data;
		573	}
		574
		575	db_get cache => "$id/data"
432	}	576	}
433		577
434	=item cf::datalog type => key => value, ...	578	=item cf::datalog type => key => value, ...
435		579
436	Log a datalog packet of the given type with the given key-value pairs.	580	Log a datalog packet of the given type with the given key-value pairs.
…		…
454	attach callbacks/event handlers (a collection of which is called an "attachment")	598	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	599	to it. All such attachable objects support the following methods.
456		600
457	In the following description, CLASS can be any of C<global>, C<object>	601	In the following description, CLASS can be any of C<global>, C<object>
458	C<player>, C<client> or C<map> (i.e. the attachable objects in	602	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	603	Crossfire TRT).
460		604
461	=over 4	605	=over 4
462		606
463	=item $attachable->attach ($attachment, key => $value...)	607	=item $attachable->attach ($attachment, key => $value...)
464		608
…		…
627	$registry = $CB_TYPE[$object_type] \|\|= [];	771	$registry = $CB_TYPE[$object_type] \|\|= [];
628		772
629	} elsif ($type eq "subtype") {	773	} elsif ($type eq "subtype") {
630	defined $object_type or Carp::croak "subtype specified without type";	774	defined $object_type or Carp::croak "subtype specified without type";
631	my $object_subtype = shift @arg;	775	my $object_subtype = shift @arg;
632	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] \|\|= [];	776	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] \|\|= [];
633		777
634	} elsif ($type eq "package") {	778	} elsif ($type eq "package") {
635	my $pkg = shift @arg;	779	my $pkg = shift @arg;
636		780
637	while (my ($name, $id) = each %cb_id) {	781	while (my ($name, $id) = each %cb_id) {
…		…
666	_attach $registry, $klass, @attach;	810	_attach $registry, $klass, @attach;
667	}	811	}
668		812
669	$obj->{$name} = \%arg;	813	$obj->{$name} = \%arg;
670	} else {	814	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	815	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	816	}
673		817
674	$obj->{_attachment}{$name} = undef;	818	$obj->{_attachment}{$name} = undef;
675	}	819	}
676		820
…		…
678	if (ref $_[0]) {	822	if (ref $_[0]) {
679	_object_attach @_;	823	_object_attach @_;
680	} else {	824	} else {
681	_attach shift->_attach_registry, @_;	825	_attach shift->_attach_registry, @_;
682	}	826	}
		827	_recalc_want;
683	};	828	};
684		829
685	# all those should be optimised	830	# all those should be optimised
686	sub cf::attachable::detach {	831	sub cf::attachable::detach {
687	my ($obj, $name) = @_;	832	my ($obj, $name) = @_;
…		…
690	delete $obj->{_attachment}{$name};	835	delete $obj->{_attachment}{$name};
691	reattach ($obj);	836	reattach ($obj);
692	} else {	837	} else {
693	Carp::croak "cannot, currently, detach class attachments";	838	Carp::croak "cannot, currently, detach class attachments";
694	}	839	}
		840	_recalc_want;
695	};	841	};
696		842
697	sub cf::attachable::attached {	843	sub cf::attachable::attached {
698	my ($obj, $name) = @_;	844	my ($obj, $name) = @_;
699		845
…		…
872	or return;	1018	or return;
873	$av = eval { (Storable::thaw $av)->{objs} };	1019	$av = eval { (Storable::thaw $av)->{objs} };
874	}	1020	}
875		1021
876	warn sprintf "loading %s (%d)\n",	1022	warn sprintf "loading %s (%d)\n",
877	$filename, length $data, scalar @{$av \|\| []};#d#	1023	$filename, length $data, scalar @{$av \|\| []};
878	return ($data, $av);	1024	return ($data, $av);
879	}	1025	}
		1026
		1027	=head2 COMMAND CALLBACKS
		1028
		1029	=over 4
		1030
		1031	=cut
880		1032
881	#############################################################################	1033	#############################################################################
882	# command handling &c	1034	# command handling &c
883		1035
884	=item cf::register_command $name => \&callback($ob,$args);	1036	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1049	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1050	}
899		1051
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1052	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1053
902	Register a callbackf ro execution when the client sends an extcmd packet.	1054	Register a callback for execution when the client sends an (synchronous)
		1055	extcmd packet. Ext commands will be processed in the order they are
		1056	received by the server, like other user commands. The first argument is
		1057	the logged-in player. Ext commands can only be processed after a player
		1058	has logged in successfully.
903		1059
904	If the callback returns something, it is sent back as if reply was being	1060	If the callback returns something, it is sent back as if reply was being
905	called.	1061	called.
906		1062
		1063	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1064
		1065	Register a callback for execution when the client sends an (asynchronous)
		1066	exticmd packet. Exti commands are processed by the server as soon as they
		1067	are received, i.e. out of order w.r.t. other commands. The first argument
		1068	is a client socket. Exti commands can be received anytime, even before
		1069	log-in.
		1070
		1071	If the callback returns something, it is sent back as if reply was being
		1072	called.
		1073
907	=cut	1074	=cut
908		1075
909	sub register_extcmd {	1076	sub register_extcmd {
910	my ($name, $cb) = @_;	1077	my ($name, $cb) = @_;
911		1078
912	$EXTCMD{$name} = $cb;	1079	$EXTCMD{$name} = $cb;
		1080	}
		1081
		1082	sub register_exticmd {
		1083	my ($name, $cb) = @_;
		1084
		1085	$EXTICMD{$name} = $cb;
913	}	1086	}
914		1087
915	cf::player->attach (	1088	cf::player->attach (
916	on_command => sub {	1089	on_command => sub {
917	my ($pl, $name, $params) = @_;	1090	my ($pl, $name, $params) = @_;
…		…
926	cf::override;	1099	cf::override;
927	},	1100	},
928	on_extcmd => sub {	1101	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1102	my ($pl, $buf) = @_;
930		1103
931	my $msg = eval { from_json $buf };	1104	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1105
933	if (ref $msg) {	1106	if (ref $msg) {
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1107	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
935	if (my %reply = $cb->($pl, $msg)) {	1108	if (my %reply = $cb->($pl, $msg)) {
936	$pl->ext_reply ($msg->{msgid}, %reply);	1109	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
942		1115
943	cf::override;	1116	cf::override;
944	},	1117	},
945	);	1118	);
946		1119
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 {	1120	sub load_extensions {
		1121	cf::sync_job {
		1122	my %todo;
		1123
982	for my $ext (<$LIBDIR/*.ext>) {	1124	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1125	next unless -r $path;
984	eval {	1126
985	load_extension $ext;	1127	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1128	my $base = $1;
		1129	my $pkg = $1;
		1130	$pkg =~ s/[^[:word:]]/_/g;
		1131	$pkg = "ext::$pkg";
		1132
		1133	open my $fh, "<:utf8", $path
		1134	or die "$path: $!";
		1135
		1136	my $source = do { local $/; <$fh> };
		1137
		1138	my %ext = (
		1139	path => $path,
		1140	base => $base,
		1141	pkg => $pkg,
		1142	);
		1143
		1144	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1145	if $source =~ /\A#!.?perl.?#\s(.)$/m;
		1146
		1147	$ext{source} =
		1148	"package $pkg; use strict; use utf8;\n"
		1149	. "#line 1 \"$path\"\n{\n"
		1150	. $source
		1151	. "\n};\n1";
		1152
		1153	$todo{$base} = \%ext;
		1154	}
		1155
		1156	my %done;
		1157	while (%todo) {
		1158	my $progress;
		1159
		1160	while (my ($k, $v) = each %todo) {
		1161	for (split /,\s*/, $v->{meta}{depends}) {
		1162	goto skip
		1163	unless exists $done{$_};
		1164	}
		1165
		1166	warn "... loading '$k' into '$v->{pkg}'\n";
		1167
		1168	unless (eval $v->{source}) {
		1169	my $msg = $@ ? "$v->{path}: $@\n"
		1170	: "$v->{base}: extension inactive.\n";
		1171
		1172	if (exists $v->{meta}{mandatory}) {
		1173	warn $msg;
		1174	warn "mandatory extension failed to load, exiting.\n";
		1175	exit 1;
		1176	}
		1177
		1178	warn $msg;
		1179	}
		1180
		1181	$done{$k} = delete $todo{$k};
		1182	push @EXTS, $v->{pkg};
		1183	$progress = 1;
986	1	1184	}
987	} or warn "$ext not loaded: $@";	1185
		1186	skip:
		1187	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1188	unless $progress;
		1189	}
988	}	1190	};
989	}	1191	}
990		1192
991	#############################################################################	1193	#############################################################################
		1194
		1195	=back
992		1196
993	=head2 CORE EXTENSIONS	1197	=head2 CORE EXTENSIONS
994		1198
995	Functions and methods that extend core crossfire objects.	1199	Functions and methods that extend core crossfire objects.
996		1200
…		…
1184	}	1388	}
1185		1389
1186	\@paths	1390	\@paths
1187	}	1391	}
1188		1392
		1393	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1394
		1395	Expand crossfire pod fragments into protocol xml.
		1396
		1397	=cut
		1398
		1399	sub expand_cfpod {
		1400	((my $self), (local $_)) = @_;
		1401
		1402	# escape & and <
		1403	s/&/&/g;
		1404	s/(?<![BIUGH])</</g;
		1405
		1406	# this is buggy, it needs to properly take care of nested <'s
		1407
		1408	1 while
		1409	# replace B<>, I<>, U<> etc.
		1410	s/B<([^\>]*)>/<b>$1<\/b>/
		1411	\|\| s/I<([^\>]*)>/<i>$1<\/i>/
		1412	\|\| s/U<([^\>]*)>/<u>$1<\/u>/
		1413	# replace G<male\|female> tags
		1414	\|\| s{G<([^>\|])\\|([^>])>}{
		1415	$self->gender ? $2 : $1
		1416	}ge
		1417	# replace H<hint text>
		1418	\|\| s{H<([^\>]*)>}
		1419	{
		1420	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1421	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1422	"")
		1423	[$self->{hintmode}]
		1424	}ge;
		1425
		1426	# create single paragraphs (very hackish)
		1427	s/(?<=\S)\n(?=\w)/ /g;
		1428
		1429	# compress some whitespace
		1430	s/\s+\n/\n/g; # ws line-ends
		1431	s/\n\n+/\n/g; # double lines
		1432	s/^\n+//; # beginning lines
		1433	s/\n+$//; # ending lines
		1434
		1435	$_
		1436	}
		1437
		1438	sub hintmode {
		1439	$_[0]{hintmode} = $_[1] if @_ > 1;
		1440	$_[0]{hintmode}
		1441	}
		1442
1189	=item $player->ext_reply ($msgid, %msg)	1443	=item $player->ext_reply ($msgid, %msg)
1190		1444
1191	Sends an ext reply to the player.	1445	Sends an ext reply to the player.
1192		1446
1193	=cut	1447	=cut
1194		1448
1195	sub ext_reply($$%) {	1449	sub ext_reply($$%) {
1196	my ($self, $id, %msg) = @_;	1450	my ($self, $id, %msg) = @_;
1197		1451
1198	$msg{msgid} = $id;	1452	$msg{msgid} = $id;
1199		1453	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1454	}
1202		1455
1203	=item $player->ext_event ($type, %msg)	1456	=item $player->ext_event ($type, %msg)
1204		1457
1205	Sends an ext event to the client.	1458	Sends an ext event to the client.
…		…
1220		1473
1221	package cf::region;	1474	package cf::region;
1222		1475
1223	=item cf::region::find_by_path $path	1476	=item cf::region::find_by_path $path
1224		1477
1225	Tries to decuce the probable region for a map knowing only its path.	1478	Tries to decuce the likely region for a map knowing only its path.
1226		1479
1227	=cut	1480	=cut
1228		1481
1229	sub find_by_path($) {	1482	sub find_by_path($) {
1230	my ($path) = @_;	1483	my ($path) = @_;
…		…
1304	my ($self, $merge) = @_;	1557	my ($self, $merge) = @_;
1305		1558
1306	# we have to keep some variables in memory intact	1559	# we have to keep some variables in memory intact
1307	local $self->{path};	1560	local $self->{path};
1308	local $self->{load_path};	1561	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1562
1312	$self->SUPER::thawer_merge ($merge);	1563	$self->SUPER::thawer_merge ($merge);
1313	}	1564	}
1314		1565
1315	sub normalise {	1566	sub normalise {
…		…
1415		1666
1416	$_->change_map_light ($change)	1667	$_->change_map_light ($change)
1417	for grep $_->outdoor, values %cf::MAP;	1668	for grep $_->outdoor, values %cf::MAP;
1418	}	1669	}
1419		1670
		1671	sub decay_objects {
		1672	my ($self) = @_;
		1673
		1674	return if $self->{deny_reset};
		1675
		1676	$self->do_decay_objects;
		1677	}
		1678
1420	sub unlink_save {	1679	sub unlink_save {
1421	my ($self) = @_;	1680	my ($self) = @_;
1422		1681
1423	utf8::encode (my $save = $self->save_path);	1682	utf8::encode (my $save = $self->save_path);
1424	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1683	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1480	$self->load_header_orig	1739	$self->load_header_orig
1481	or return;	1740	or return;
1482	$self->prepare_orig;	1741	$self->prepare_orig;
1483	}	1742	}
1484		1743
		1744	$self->{deny_reset} = 1
		1745	if $self->no_reset;
		1746
1485	$self->default_region (cf::region::find_by_path $self->{path})	1747	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	1748	unless $self->default_region;
1487		1749
1488	1	1750	1
1489	}	1751	}
…		…
1504	$map->{last_save} = $cf::RUNTIME;	1766	$map->{last_save} = $cf::RUNTIME;
1505		1767
1506	$map->load_header	1768	$map->load_header
1507	or return;	1769	or return;
1508		1770
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1771	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	1772	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	1773	#$cf::WAIT_FOR_TICK->wait;
1512	$map->reset;	1774	$map->reset;
1513	undef $guard;	1775	undef $guard;
1514	return find $path;	1776	return find $path;
…		…
1581	my ($self, $ob) = @_;	1843	my ($self, $ob) = @_;
1582		1844
1583	return find "~" . $ob->name . "/" . $self->{path}	1845	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	1846	if $self->per_player;
1585		1847
		1848	# return find "?party/" . $ob->name . "/" . $self->{path}
		1849	# if $self->per_party;
		1850
1586	$self	1851	$self
1587	}	1852	}
1588		1853
1589	# find and load all maps in the 3x3 area around a map	1854	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	1855	sub load_diag {
…		…
1700		1965
1701	sub reset_at {	1966	sub reset_at {
1702	my ($self) = @_;	1967	my ($self) = @_;
1703		1968
1704	# TODO: safety, remove and allow resettable per-player maps	1969	# 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};	1970	return 1e99 if $self->{deny_reset};
1707		1971
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1972	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;	1973	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;
1710		1974
…		…
1721	my ($self) = @_;	1985	my ($self) = @_;
1722		1986
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	1987	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		1988
1725	return if $self->players;	1989	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		1990
1728	warn "resetting map ", $self->path;#d#	1991	warn "resetting map ", $self->path;
1729		1992
1730	$self->in_memory (cf::MAP_SWAPPED);	1993	$self->in_memory (cf::MAP_SWAPPED);
1731		1994
1732	# need to save uniques path	1995	# need to save uniques path
1733	unless ($self->{deny_save}) {	1996	unless ($self->{deny_save}) {
…		…
1765	$cf::MAP{$self->path} = $self;	2028	$cf::MAP{$self->path} = $self;
1766		2029
1767	$self->reset; # polite request, might not happen	2030	$self->reset; # polite request, might not happen
1768	}	2031	}
1769		2032
		2033	=item $maps = cf::map::tmp_maps
		2034
		2035	Returns an arrayref with all map paths of currently instantiated and saved
		2036	maps. May block.
		2037
		2038	=cut
		2039
		2040	sub tmp_maps() {
		2041	[
		2042	map {
		2043	utf8::decode $_;
		2044	/\.map$/
		2045	? normalise $_
		2046	: ()
		2047	} @{ aio_readdir $TMPDIR or [] }
		2048	]
		2049	}
		2050
		2051	=item $maps = cf::map::random_maps
		2052
		2053	Returns an arrayref with all map paths of currently instantiated and saved
		2054	random maps. May block.
		2055
		2056	=cut
		2057
		2058	sub random_maps() {
		2059	[
		2060	map {
		2061	utf8::decode $_;
		2062	/\.map$/
		2063	? normalise "?random/$_"
		2064	: ()
		2065	} @{ aio_readdir $RANDOMDIR or [] }
		2066	]
		2067	}
		2068
1770	=item cf::map::unique_maps	2069	=item cf::map::unique_maps
1771		2070
1772	Returns an arrayref of paths of all shared maps that have	2071	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2072	instantiated unique items. May block.
1774		2073
1775	=cut	2074	=cut
1776		2075
1777	sub unique_maps() {	2076	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2077	[
1779	or return;	2078	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2079	utf8::decode $_;
1785	next if /\.pst$/;	2080	/\.map$/
1786	next unless /^$PATH_SEP/o;	2081	? normalise $_
1787		2082	: ()
1788	push @paths, cf::map::normalise $_;	2083	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2084	]
1790
1791	\@paths
1792	}	2085	}
1793		2086
1794	package cf;	2087	package cf;
1795		2088
1796	=back	2089	=back
…		…
1842		2135
1843	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;	2136	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;
1844		2137
1845	if ($self->{record_replies}) {	2138	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2139	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2140
1847	} else {	2141	} else {
		2142	my $pl = $self->contr;
		2143
		2144	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2145	my $diag = $pl->{npc_dialog};
		2146	$diag->{pl}->ext_reply (
		2147	$diag->{id},
		2148	msgtype => "reply",
		2149	msg => $diag->{pl}->expand_cfpod ($msg),
		2150	add_topics => []
		2151	);
		2152
		2153	} else {
1848	$msg = $npc->name . " says: $msg" if $npc;	2154	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2155	$self->message ($msg, $flags);
		2156	}
1850	}	2157	}
1851	}	2158	}
1852		2159
1853	=item $player_object->may ("access")	2160	=item $player_object->may ("access")
1854		2161
…		…
1902	$self->deactivate_recursive;	2209	$self->deactivate_recursive;
1903		2210
1904	return if UNIVERSAL::isa $self->map, "ext::map_link";	2211	return if UNIVERSAL::isa $self->map, "ext::map_link";
1905		2212
1906	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]	2213	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]
1907	if $self->map;	2214	if $self->map && $self->map->{path} ne "{link}";
1908		2215
1909	$self->enter_map ($LINK_MAP \|\| link_map, 10, 10);	2216	$self->enter_map ($LINK_MAP \|\| link_map, 10, 10);
1910	}	2217	}
1911		2218
1912	sub cf::object::player::leave_link {	2219	sub cf::object::player::leave_link {
1913	my ($self, $map, $x, $y) = @_;	2220	my ($self, $map, $x, $y) = @_;
		2221
		2222	return unless $self->contr->active;
1914		2223
1915	my $link_pos = delete $self->{_link_pos};	2224	my $link_pos = delete $self->{_link_pos};
1916		2225
1917	unless ($map) {	2226	unless ($map) {
1918	# restore original map position	2227	# restore original map position
…		…
1941		2250
1942	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2251	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1943	$self->enter_map ($map, $x, $y);	2252	$self->enter_map ($map, $x, $y);
1944	}	2253	}
1945		2254
1946	cf::player->attach (
1947	on_logout => sub {
1948	my ($pl) = @_;
1949
1950	# abort map switching before logout
1951	if ($pl->ob->{_link_pos}) {
1952	cf::sync_job {
1953	$pl->ob->leave_link
1954	};
1955	}
1956	},
1957	on_login => sub {
1958	my ($pl) = @_;
1959
1960	# try to abort aborted map switching on player login :)
1961	# should happen only on crashes
1962	if ($pl->ob->{_link_pos}) {
1963	$pl->ob->enter_link;
1964	(async {
1965	$pl->ob->reply (undef,
1966	"There was an internal problem at your last logout, "
1967	. "the server will try to bring you to your intended destination in a second.",
1968	cf::NDI_RED);
1969	# we need this sleep as the login has a concurrent enter_exit running
1970	# and this sleep increases chances of the player not ending up in scorn
1971	Coro::Timer::sleep 1;
1972	$pl->ob->leave_link;
1973	})->prio (2);
1974	}
1975	},
1976	);
1977
1978	=item $player_object->goto ($path, $x, $y)	2255	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1979		2256
		2257	Moves the player to the given map-path and coordinates by first freezing
		2258	her, loading and preparing them map, calling the provided $check callback
		2259	that has to return the map if sucecssful, and then unfreezes the player on
		2260	the new (success) or old (failed) map position.
		2261
1980	=cut	2262	=cut
		2263
		2264	our $GOTOGEN;
1981		2265
1982	sub cf::object::player::goto {	2266	sub cf::object::player::goto {
1983	my ($self, $path, $x, $y) = @_;	2267	my ($self, $path, $x, $y, $check) = @_;
		2268
		2269	# do generation counting so two concurrent goto's will be executed in-order
		2270	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1984		2271
1985	$self->enter_link;	2272	$self->enter_link;
1986		2273
1987	(async {	2274	(async {
1988	my $map = eval {	2275	my $map = eval {
1989	my $map = cf::map::find $path;	2276	my $map = cf::map::find $path;
		2277
		2278	if ($map) {
1990	$map = $map->customise_for ($self) if $map;	2279	$map = $map->customise_for ($self);
		2280	$map = $check->($map) if $check && $map;
		2281	} else {
		2282	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
		2283	}
		2284
1991	$map	2285	$map
		2286	};
		2287
		2288	if ($@) {
		2289	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE \| cf::NDI_RED);
		2290	LOG llevError \| logBacktrace, Carp::longmess $@;
1992	} or	2291	}
1993	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
1994		2292
		2293	if ($gen == $self->{_goto_generation}) {
		2294	delete $self->{_goto_generation};
1995	$self->leave_link ($map, $x, $y);	2295	$self->leave_link ($map, $x, $y);
		2296	}
1996	})->prio (1);	2297	})->prio (1);
1997	}	2298	}
1998		2299
1999	=item $player_object->enter_exit ($exit_object)	2300	=item $player_object->enter_exit ($exit_object)
2000		2301
…		…
2069	my $hp = $exit->stats->hp;	2370	my $hp = $exit->stats->hp;
2070	my $sp = $exit->stats->sp;	2371	my $sp = $exit->stats->sp;
2071		2372
2072	$self->enter_link;	2373	$self->enter_link;
2073		2374
		2375	# if exit is damned, update players death & WoR home-position
		2376	$self->contr->savebed ($slaying, $hp, $sp)
		2377	if $exit->flag (FLAG_DAMNED);
		2378
2074	(async {	2379	(async {
2075	$self->deactivate_recursive; # just to be sure	2380	$self->deactivate_recursive; # just to be sure
2076	unless (eval {	2381	unless (eval {
2077	$self->goto ($slaying, $hp, $sp);	2382	$self->goto ($slaying, $hp, $sp);
2078		2383
…		…
2105		2410
2106	utf8::encode $text;	2411	utf8::encode $text;
2107	$self->send_packet (sprintf "drawinfo %d %s", $flags \|\| cf::NDI_BLACK, $text);	2412	$self->send_packet (sprintf "drawinfo %d %s", $flags \|\| cf::NDI_BLACK, $text);
2108	}	2413	}
2109		2414
		2415	=item $client->send_msg ($color, $type, $msg, [extra...])
		2416
		2417	Send a drawinfo or msg packet to the client, formatting the msg for the
		2418	client if neccessary. C<$type> should be a string identifying the type of
		2419	the message, with C<log> being the default. If C<$color> is negative, suppress
		2420	the message unless the client supports the msg packet.
		2421
		2422	=cut
		2423
		2424	sub cf::client::send_msg {
		2425	my ($self, $color, $type, $msg, @extra) = @_;
		2426
		2427	$msg = $self->pl->expand_cfpod ($msg);
		2428
		2429	return unless @extra \|\| length $msg;
		2430
		2431	if ($self->can_msg) {
		2432	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2433	} else {
		2434	# replace some tags by gcfclient-compatible ones
		2435	for ($msg) {
		2436	1 while
		2437	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2438	\|\| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2439	\|\| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2440	\|\| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2441	\|\| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2442	}
		2443
		2444	if ($color >= 0) {
		2445	if (0 && $msg =~ /\[/) {
		2446	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2447	} else {
		2448	$msg =~ s/\[\/?(?:b\|i\|u\|fixed\|color)[^\]]*\]//g;
		2449	$self->send_packet ("drawinfo $color $msg")
		2450	}
		2451	}
		2452	}
		2453	}
		2454
2110	=item $client->ext_event ($type, %msg)	2455	=item $client->ext_event ($type, %msg)
2111		2456
2112	Sends an exti event to the client.	2457	Sends an ext event to the client.
2113		2458
2114	=cut	2459	=cut
2115		2460
2116	sub cf::client::ext_event($$%) {	2461	sub cf::client::ext_event($$%) {
2117	my ($self, $type, %msg) = @_;	2462	my ($self, $type, %msg) = @_;
2118		2463
2119	$msg{msgtype} = "event_$type";	2464	$msg{msgtype} = "event_$type";
2120	$self->send_packet ("ext " . cf::to_json \%msg);	2465	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
2121	}	2466	}
2122		2467
2123	=item $success = $client->query ($flags, "text", \&cb)	2468	=item $success = $client->query ($flags, "text", \&cb)
2124		2469
2125	Queues a query to the client, calling the given callback with	2470	Queues a query to the client, calling the given callback with
2126	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2471	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2127	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2472	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2128		2473
2129	Queries can fail, so check the return code. Or don't, as queries will become	2474	Queries can fail, so check the return code. Or don't, as queries will
2130	reliable at some point in the future.	2475	become reliable at some point in the future.
2131		2476
2132	=cut	2477	=cut
2133		2478
2134	sub cf::client::query {	2479	sub cf::client::query {
2135	my ($self, $flags, $text, $cb) = @_;	2480	my ($self, $flags, $text, $cb) = @_;
…		…
2143	utf8::encode $text;	2488	utf8::encode $text;
2144	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2489	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2145		2490
2146	$self->send_packet ($self->{query_queue}[0][0])	2491	$self->send_packet ($self->{query_queue}[0][0])
2147	if @{ $self->{query_queue} } == 1;	2492	if @{ $self->{query_queue} } == 1;
		2493
		2494	1
2148	}	2495	}
2149		2496
2150	cf::client->attach (	2497	cf::client->attach (
		2498	on_connect => sub {
		2499	my ($ns) = @_;
		2500
		2501	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2502	},
2151	on_reply => sub {	2503	on_reply => sub {
2152	my ($ns, $msg) = @_;	2504	my ($ns, $msg) = @_;
2153		2505
2154	# this weird shuffling is so that direct followup queries	2506	# this weird shuffling is so that direct followup queries
2155	# get handled first	2507	# get handled first
…		…
2167	} else {	2519	} else {
2168	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2520	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2169	}	2521	}
2170	}	2522	}
2171	},	2523	},
		2524	on_exticmd => sub {
		2525	my ($ns, $buf) = @_;
		2526
		2527	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2528
		2529	if (ref $msg) {
		2530	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2531	if (my %reply = $cb->($ns, $msg)) {
		2532	$reply{msgid} = $msg->{msgid};
		2533	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2534	}
		2535	}
		2536	} else {
		2537	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2538	}
		2539
		2540	cf::override;
		2541	},
2172	);	2542	);
2173		2543
2174	=item $client->async (\&cb)	2544	=item $client->async (\&cb)
2175		2545
2176	Create a new coroutine, running the specified callback. The coroutine will	2546	Create a new coroutine, running the specified callback. The coroutine will
…		…
2225		2595
2226	=pod	2596	=pod
2227		2597
2228	The following functions and methods are available within a safe environment:	2598	The following functions and methods are available within a safe environment:
2229		2599
2230	cf::object contr pay_amount pay_player map	2600	cf::object
		2601	contr pay_amount pay_player map x y force_find force_add
		2602	insert remove
		2603
2231	cf::object::player player	2604	cf::object::player
2232	cf::player peaceful	2605	player
2233	cf::map trigger	2606
		2607	cf::player
		2608	peaceful
		2609
		2610	cf::map
		2611	trigger
2234		2612
2235	=cut	2613	=cut
2236		2614
2237	for (	2615	for (
2238	["cf::object" => qw(contr pay_amount pay_player map)],	2616	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2617	insert remove)],
2239	["cf::object::player" => qw(player)],	2618	["cf::object::player" => qw(player)],
2240	["cf::player" => qw(peaceful)],	2619	["cf::player" => qw(peaceful)],
2241	["cf::map" => qw(trigger)],	2620	["cf::map" => qw(trigger)],
2242	) {	2621	) {
2243	no strict 'refs';	2622	no strict 'refs';
…		…
2312	}	2691	}
2313		2692
2314	=back	2693	=back
2315		2694
2316	=cut	2695	=cut
2317
2318	#############################################################################
2319
2320	=head2 EXTENSION DATABASE SUPPORT
2321
2322	Crossfire maintains a very simple database for extension use. It can
2323	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2324	convert to/from binary).
2325
2326	The parameter C<$family> should best start with the name of the extension
2327	using it, it should be unique.
2328
2329	=over 4
2330
2331	=item $value = cf::db_get $family => $key
2332
2333	Returns a single value from the database.
2334
2335	=item cf::db_put $family => $key => $value
2336
2337	Stores the given C<$value> in the family.
2338
2339	=cut
2340
2341	our $DB;
2342
2343	sub db_init {
2344	unless ($DB) {
2345	$DB = BDB::db_create $DB_ENV;
2346
2347	cf::sync_job {
2348	eval {
2349	$DB->set_flags (BDB::CHKSUM);
2350
2351	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2352	BDB::CREATE \| BDB::AUTO_COMMIT, 0666;
2353	cf::cleanup "db_open(db): $!" if $!;
2354	};
2355	cf::cleanup "db_open(db): $@" if $@;
2356	};
2357	}
2358	}
2359
2360	sub db_get($$) {
2361	my $key = "$_[0]/$_[1]";
2362
2363	cf::sync_job {
2364	BDB::db_get $DB, undef, $key, my $data;
2365
2366	$! ? ()
2367	: $data
2368	}
2369	}
2370
2371	sub db_put($$$) {
2372	BDB::dbreq_pri 4;
2373	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2374	}
2375
2376	=item cf::cache $id => [$paths...], $processversion => $process
2377
2378	Generic caching function that returns the value of the resource $id,
2379	caching and regenerating as required.
2380
2381	This function can block.
2382
2383	=cut
2384
2385	sub cache {
2386	my ($id, $src, $processversion, $process) = @_;
2387
2388	my $meta =
2389	join "\x00",
2390	$processversion,
2391	map {
2392	aio_stat $_
2393	and Carp::croak "$_: $!";
2394
2395	($_, (stat _)[7,9])
2396	} @$src;
2397
2398	my $dbmeta = db_get cache => "$id/meta";
2399	if ($dbmeta ne $meta) {
2400	# changed, we may need to process
2401
2402	my @data;
2403	my $md5;
2404
2405	for (0 .. $#$src) {
2406	0 <= aio_load $src->[$_], $data[$_]
2407	or Carp::croak "$src->[$_]: $!";
2408	}
2409
2410	# if processing is expensive, check
2411	# checksum first
2412	if (1) {
2413	$md5 =
2414	join "\x00",
2415	$processversion,
2416	map {
2417	Coro::cede;
2418	($src->[$_], Digest::MD5::md5_hex $data[$_])
2419	} 0.. $#$src;
2420
2421
2422	my $dbmd5 = db_get cache => "$id/md5";
2423	if ($dbmd5 eq $md5) {
2424	db_put cache => "$id/meta", $meta;
2425
2426	return db_get cache => "$id/data";
2427	}
2428	}
2429
2430	my $t1 = Time::HiRes::time;
2431	my $data = $process->(\@data);
2432	my $t2 = Time::HiRes::time;
2433
2434	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2435
2436	db_put cache => "$id/data", $data;
2437	db_put cache => "$id/md5" , $md5;
2438	db_put cache => "$id/meta", $meta;
2439
2440	return $data;
2441	}
2442
2443	db_get cache => "$id/data"
2444	}
2445
2446	=item fork_call { }, $args
2447
2448	Executes the given code block with the given arguments in a seperate
2449	process, returning the results. Everything must be serialisable with
2450	Coro::Storable. May, of course, block. Note that the executed sub may
2451	never block itself or use any form of Event handling.
2452
2453	=cut
2454
2455	sub fork_call(&@) {
2456	my ($cb, @args) = @_;
2457
2458	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2459	# or die "socketpair: $!";
2460	pipe my $fh1, my $fh2
2461	or die "pipe: $!";
2462
2463	if (my $pid = fork) {
2464	close $fh2;
2465
2466	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2467	$res = Coro::Storable::thaw $res;
2468
2469	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2470
2471	die $$res unless "ARRAY" eq ref $res;
2472
2473	return wantarray ? @$res : $res->[-1];
2474	} else {
2475	reset_signals;
2476	local $SIG{__WARN__};
2477	local $SIG{__DIE__};
2478	eval {
2479	close $fh1;
2480
2481	my @res = eval { $cb->(@args) };
2482	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2483	};
2484
2485	warn $@ if $@;
2486	_exit 0;
2487	}
2488	}
2489
2490
2491		2696
2492	#############################################################################	2697	#############################################################################
2493	# the server's init and main functions	2698	# the server's init and main functions
2494		2699
2495	sub load_facedata($) {	2700	sub load_facedata($) {
…		…
2555	}	2760	}
2556		2761
2557	sub reload_archetypes {	2762	sub reload_archetypes {
2558	load_resource_file "$DATADIR/archetypes"	2763	load_resource_file "$DATADIR/archetypes"
2559	or die "unable to load archetypes\n";	2764	or die "unable to load archetypes\n";
		2765	#d# NEED to laod twice to resolve forward references
		2766	# this really needs to be done in an extra post-pass
		2767	# (which needs to be synchronous, so solve it differently)
		2768	load_resource_file "$DATADIR/archetypes"
		2769	or die "unable to load archetypes\n";
2560	}	2770	}
2561		2771
2562	sub reload_treasures {	2772	sub reload_treasures {
2563	load_resource_file "$DATADIR/treasures"	2773	load_resource_file "$DATADIR/treasures"
2564	or die "unable to load treasurelists\n";	2774	or die "unable to load treasurelists\n";
…		…
2567	sub reload_resources {	2777	sub reload_resources {
2568	warn "reloading resource files...\n";	2778	warn "reloading resource files...\n";
2569		2779
2570	reload_regions;	2780	reload_regions;
2571	reload_facedata;	2781	reload_facedata;
		2782	#reload_archetypes;#d#
2572	reload_archetypes;	2783	reload_archetypes;
2573	reload_treasures;	2784	reload_treasures;
2574		2785
2575	warn "finished reloading resource files\n";	2786	warn "finished reloading resource files\n";
2576	}	2787	}
…		…
2633	},	2844	},
2634	);	2845	);
2635	}	2846	}
2636	}	2847	}
2637		2848
		2849	sub write_runtime {
		2850	my $runtime = "$LOCALDIR/runtime";
		2851
		2852	# first touch the runtime file to show we are still running:
		2853	# the fsync below can take a very very long time.
		2854
		2855	IO::AIO::aio_utime $runtime, undef, undef;
		2856
		2857	my $guard = cf::lock_acquire "write_runtime";
		2858
		2859	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644
		2860	or return;
		2861
		2862	my $value = $cf::RUNTIME + 90 + 10;
		2863	# 10 is the runtime save interval, for a monotonic clock
		2864	# 60 allows for the watchdog to kill the server.
		2865
		2866	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2867	and return;
		2868
		2869	# always fsync - this file is important
		2870	aio_fsync $fh
		2871	and return;
		2872
		2873	# touch it again to show we are up-to-date
		2874	aio_utime $fh, undef, undef;
		2875
		2876	close $fh
		2877	or return;
		2878
		2879	aio_rename "$runtime~", $runtime
		2880	and return;
		2881
		2882	warn "runtime file written.\n";
		2883
		2884	1
		2885	}
		2886
2638	sub emergency_save() {	2887	sub emergency_save() {
2639	my $freeze_guard = cf::freeze_mainloop;	2888	my $freeze_guard = cf::freeze_mainloop;
2640		2889
2641	warn "enter emergency perl save\n";	2890	warn "enter emergency perl save\n";
2642		2891
…		…
2717	%EXT_CORO = ();	2966	%EXT_CORO = ();
2718		2967
2719	warn "removing commands";	2968	warn "removing commands";
2720	%COMMAND = ();	2969	%COMMAND = ();
2721		2970
2722	warn "removing ext commands";	2971	warn "removing ext/exti commands";
2723	%EXTCMD = ();	2972	%EXTCMD = ();
		2973	%EXTICMD = ();
2724		2974
2725	warn "unloading/nuking all extensions";	2975	warn "unloading/nuking all extensions";
2726	for my $pkg (@EXTS) {	2976	for my $pkg (@EXTS) {
2727	warn "... unloading $pkg";	2977	warn "... unloading $pkg";
2728		2978
…		…
2846	my $signal = new Coro::Signal;	3096	my $signal = new Coro::Signal;
2847	push @WAIT_FOR_TICK_BEGIN, $signal;	3097	push @WAIT_FOR_TICK_BEGIN, $signal;
2848	$signal->wait;	3098	$signal->wait;
2849	}	3099	}
2850		3100
		3101	my $min = 1e6;#d#
		3102	my $avg = 10;
2851	$TICK_WATCHER = Event->timer (	3103	$TICK_WATCHER = Event->timer (
2852	reentrant => 0,	3104	reentrant => 0,
2853	parked => 1,	3105	parked => 1,
2854	prio => 0,	3106	prio => 0,
2855	at => $NEXT_TICK \|\| $TICK,	3107	at => $NEXT_TICK \|\| $TICK,
…		…
2862	}	3114	}
2863		3115
2864	$NOW = $tick_start = Event::time;	3116	$NOW = $tick_start = Event::time;
2865		3117
2866	cf::server_tick; # one server iteration	3118	cf::server_tick; # one server iteration
		3119
		3120	0 && sync_job {#d#
		3121	for(1..10) {
		3122	my $t = Event::time;
		3123	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3124	or die;
		3125
		3126	$map->width (50);
		3127	$map->height (50);
		3128	$map->alloc;
		3129	$map->_load_objects ("/tmp/x.map", 1);
		3130	my $t = Event::time - $t;
		3131
		3132	#next unless $t < 0.0013;#d#
		3133	if ($t < $min) {
		3134	$min = $t;
		3135	}
		3136	$avg = $avg * 0.99 + $t * 0.01;
		3137	}
		3138	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3139	exit 0;
		3140	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3141	};
2867		3142
2868	$RUNTIME += $TICK;	3143	$RUNTIME += $TICK;
2869	$NEXT_TICK += $TICK;	3144	$NEXT_TICK += $TICK;
2870		3145
2871	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3146	if ($NOW >= $NEXT_RUNTIME_WRITE) {

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.265 by root, Fri May 11 08:00:00 2007 UTC vs. Revision 1.298 by root, Sun Jul 8 14:50:07 2007 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.265 by root, Fri May 11 08:00:00 2007 UTC vs.
Revision 1.298 by root, Sun Jul 8 14:50:07 2007 UTC