[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 1.303 by root, Wed Jul 11 15:57:31 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;
…		…
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	194	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		195	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	196	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		197
194	# we bless all objects into (empty) derived classes to force a method lookup	198	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	199	# within the Safe compartment.
196	for my $pkg (qw(	200	for my $pkg (qw(
197	cf::global cf::attachable	201	cf::global cf::attachable
…		…
205	}	209	}
206		210
207	$Event::DIED = sub {	211	$Event::DIED = sub {
208	warn "error in event callback: @_";	212	warn "error in event callback: @_";
209	};	213	};
		214
		215	#############################################################################
210		216
211	=head2 UTILITY FUNCTIONS	217	=head2 UTILITY FUNCTIONS
212		218
213	=over 4	219	=over 4
214		220
…		…
233	$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;
234	$d	240	$d
235	} \|\| "[unable to dump $_[0]: '$@']";	241	} \|\| "[unable to dump $_[0]: '$@']";
236	}	242	}
237		243
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	244	=item $ref = cf::from_json $json
241		245
242	Converts a JSON string into the corresponding perl data structure.	246	Converts a JSON string into the corresponding perl data structure.
243		247
244	=item $json = cf::to_json $ref	248	=item $json = cf::to_json $ref
245		249
246	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]) }
247		258
248	=item cf::lock_wait $string	259	=item cf::lock_wait $string
249		260
250	Wait until the given lock is available. See cf::lock_acquire.	261	Wait until the given lock is available. See cf::lock_acquire.
251		262
…		…
317		328
318	BEGIN { *async = \&Coro::async_pool }	329	BEGIN { *async = \&Coro::async_pool }
319		330
320	=item cf::sync_job { BLOCK }	331	=item cf::sync_job { BLOCK }
321		332
322	The design of crossfire+ requires that the main coro ($Coro::main) is	333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
323	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
324	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.
325		337
326	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
327	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
328	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
329	fast or be very important.	341	fast or be very important.
…		…
356	Coro::cede or Event::one_event;	368	Coro::cede or Event::one_event;
357	}	369	}
358		370
359	$time = Event::time - $time;	371	$time = Event::time - $time;
360		372
361	LOG llevError \| logBacktrace, "long sync job\n"	373	LOG llevError \| logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5;	374	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363		375
364	$tick_start += $time; # do not account sync jobs to server load	376	$tick_start += $time; # do not account sync jobs to server load
365		377
366	wantarray ? @res : $res[0]	378	wantarray ? @res : $res[0]
367	} else {	379	} else {
…		…
389	$EXT_CORO{$coro+0} = $coro;	401	$EXT_CORO{$coro+0} = $coro;
390		402
391	$coro	403	$coro
392	}	404	}
393		405
394	sub write_runtime {	406	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		407
397	# first touch the runtime file to show we are still running:	408	Executes the given code block with the given arguments in a seperate
398	# 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.
399		412
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	413	=cut
401	utime undef, undef, $fh;
402	}
403		414
404	my $guard = cf::lock_acquire "write_runtime";	415	sub _store_scalar {
405		416	open my $fh, ">", \my $buf
406	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644	417	or die "fork_call: cannot open fh-to-buf in child : $!";
407	or return;	418	Storable::store_fd $_[0], $fh;
408
409	my $value = $cf::RUNTIME + 90 + 10;
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	419	close $fh;
424	or return;
425		420
426	aio_rename "$runtime~", $runtime	421	$buf
427	and return;	422	}
428		423
429	warn "runtime file written.\n";#d#	424	sub fork_call(&@) {
		425	my ($cb, @args) = @_;
430		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 $$res unless "ARRAY" eq ref $res;
		442
		443	return wantarray ? @$res : $res->[-1];
		444	} else {
		445	reset_signals;
		446	local $SIG{__WARN__};
		447	local $SIG{__DIE__};
		448	# just in case, this hack effectively disables event
		449	# in the child. cleaner and slower would be canceling all watchers,
		450	# but this works for the time being.
		451	local $Coro::idle;
		452	$Coro::current->prio (Coro::PRIO_MAX);
		453
		454	eval {
		455	close $fh1;
		456
		457	my @res = eval { $cb->(@args) };
		458
		459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		460	close $fh2;
		461	};
		462
		463	warn $@ if $@;
		464	_exit 0;
431	1	465	}
		466	}
		467
		468	=item $value = cf::db_get $family => $key
		469
		470	Returns a single value from the environment database.
		471
		472	=item cf::db_put $family => $key => $value
		473
		474	Stores the given C<$value> in the family. It can currently store binary
		475	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		476
		477	=cut
		478
		479	our $DB;
		480
		481	sub db_init {
		482	unless ($DB) {
		483	$DB = BDB::db_create $DB_ENV;
		484
		485	cf::sync_job {
		486	eval {
		487	$DB->set_flags (BDB::CHKSUM);
		488
		489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		490	BDB::CREATE \| BDB::AUTO_COMMIT, 0666;
		491	cf::cleanup "db_open(db): $!" if $!;
		492	};
		493	cf::cleanup "db_open(db): $@" if $@;
		494	};
		495	}
		496	}
		497
		498	sub db_get($$) {
		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"
432	}	582	}
433		583
434	=item cf::datalog type => key => value, ...	584	=item cf::datalog type => key => value, ...
435		585
436	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.
…		…
454	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")
455	to it. All such attachable objects support the following methods.	605	to it. All such attachable objects support the following methods.
456		606
457	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>
458	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
459	crossfire+).	609	Crossfire TRT).
460		610
461	=over 4	611	=over 4
462		612
463	=item $attachable->attach ($attachment, key => $value...)	613	=item $attachable->attach ($attachment, key => $value...)
464		614
…		…
627	$registry = $CB_TYPE[$object_type] \|\|= [];	777	$registry = $CB_TYPE[$object_type] \|\|= [];
628		778
629	} elsif ($type eq "subtype") {	779	} elsif ($type eq "subtype") {
630	defined $object_type or Carp::croak "subtype specified without type";	780	defined $object_type or Carp::croak "subtype specified without type";
631	my $object_subtype = shift @arg;	781	my $object_subtype = shift @arg;
632	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] \|\|= [];	782	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] \|\|= [];
633		783
634	} elsif ($type eq "package") {	784	} elsif ($type eq "package") {
635	my $pkg = shift @arg;	785	my $pkg = shift @arg;
636		786
637	while (my ($name, $id) = each %cb_id) {	787	while (my ($name, $id) = each %cb_id) {
…		…
666	_attach $registry, $klass, @attach;	816	_attach $registry, $klass, @attach;
667	}	817	}
668		818
669	$obj->{$name} = \%arg;	819	$obj->{$name} = \%arg;
670	} else {	820	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	821	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	822	}
673		823
674	$obj->{_attachment}{$name} = undef;	824	$obj->{_attachment}{$name} = undef;
675	}	825	}
676		826
…		…
678	if (ref $_[0]) {	828	if (ref $_[0]) {
679	_object_attach @_;	829	_object_attach @_;
680	} else {	830	} else {
681	_attach shift->_attach_registry, @_;	831	_attach shift->_attach_registry, @_;
682	}	832	}
		833	_recalc_want;
683	};	834	};
684		835
685	# all those should be optimised	836	# all those should be optimised
686	sub cf::attachable::detach {	837	sub cf::attachable::detach {
687	my ($obj, $name) = @_;	838	my ($obj, $name) = @_;
…		…
690	delete $obj->{_attachment}{$name};	841	delete $obj->{_attachment}{$name};
691	reattach ($obj);	842	reattach ($obj);
692	} else {	843	} else {
693	Carp::croak "cannot, currently, detach class attachments";	844	Carp::croak "cannot, currently, detach class attachments";
694	}	845	}
		846	_recalc_want;
695	};	847	};
696		848
697	sub cf::attachable::attached {	849	sub cf::attachable::attached {
698	my ($obj, $name) = @_;	850	my ($obj, $name) = @_;
699		851
…		…
872	or return;	1024	or return;
873	$av = eval { (Storable::thaw $av)->{objs} };	1025	$av = eval { (Storable::thaw $av)->{objs} };
874	}	1026	}
875		1027
876	warn sprintf "loading %s (%d)\n",	1028	warn sprintf "loading %s (%d)\n",
877	$filename, length $data, scalar @{$av \|\| []};#d#	1029	$filename, length $data, scalar @{$av \|\| []};
878	return ($data, $av);	1030	return ($data, $av);
879	}	1031	}
		1032
		1033	=head2 COMMAND CALLBACKS
		1034
		1035	=over 4
		1036
		1037	=cut
880		1038
881	#############################################################################	1039	#############################################################################
882	# command handling &c	1040	# command handling &c
883		1041
884	=item cf::register_command $name => \&callback($ob,$args);	1042	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1055	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1056	}
899		1057
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1058	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1059
902	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.
903		1065
904	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
905	called.	1067	called.
906		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
907	=cut	1080	=cut
908		1081
909	sub register_extcmd {	1082	sub register_extcmd {
910	my ($name, $cb) = @_;	1083	my ($name, $cb) = @_;
911		1084
912	$EXTCMD{$name} = $cb;	1085	$EXTCMD{$name} = $cb;
		1086	}
		1087
		1088	sub register_exticmd {
		1089	my ($name, $cb) = @_;
		1090
		1091	$EXTICMD{$name} = $cb;
913	}	1092	}
914		1093
915	cf::player->attach (	1094	cf::player->attach (
916	on_command => sub {	1095	on_command => sub {
917	my ($pl, $name, $params) = @_;	1096	my ($pl, $name, $params) = @_;
…		…
926	cf::override;	1105	cf::override;
927	},	1106	},
928	on_extcmd => sub {	1107	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1108	my ($pl, $buf) = @_;
930		1109
931	my $msg = eval { from_json $buf };	1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1111
933	if (ref $msg) {	1112	if (ref $msg) {
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
935	if (my %reply = $cb->($pl, $msg)) {	1114	if (my %reply = $cb->($pl, $msg)) {
936	$pl->ext_reply ($msg->{msgid}, %reply);	1115	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
942		1121
943	cf::override;	1122	cf::override;
944	},	1123	},
945	);	1124	);
946		1125
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 {	1126	sub load_extensions {
		1127	cf::sync_job {
		1128	my %todo;
		1129
982	for my $ext (<$LIBDIR/*.ext>) {	1130	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1131	next unless -r $path;
984	eval {	1132
985	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;
986	1	1190	}
987	} or warn "$ext not loaded: $@";	1191
		1192	skip:
		1193	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1194	unless $progress;
		1195	}
988	}	1196	};
989	}	1197	}
990		1198
991	#############################################################################	1199	#############################################################################
		1200
		1201	=back
992		1202
993	=head2 CORE EXTENSIONS	1203	=head2 CORE EXTENSIONS
994		1204
995	Functions and methods that extend core crossfire objects.	1205	Functions and methods that extend core crossfire objects.
996		1206
…		…
1184	}	1394	}
1185		1395
1186	\@paths	1396	\@paths
1187	}	1397	}
1188		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
1189	=item $player->ext_reply ($msgid, %msg)	1449	=item $player->ext_reply ($msgid, %msg)
1190		1450
1191	Sends an ext reply to the player.	1451	Sends an ext reply to the player.
1192		1452
1193	=cut	1453	=cut
1194		1454
1195	sub ext_reply($$%) {	1455	sub ext_reply($$%) {
1196	my ($self, $id, %msg) = @_;	1456	my ($self, $id, %msg) = @_;
1197		1457
1198	$msg{msgid} = $id;	1458	$msg{msgid} = $id;
1199		1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1460	}
1202		1461
1203	=item $player->ext_event ($type, %msg)	1462	=item $player->ext_event ($type, %msg)
1204		1463
1205	Sends an ext event to the client.	1464	Sends an ext event to the client.
…		…
1220		1479
1221	package cf::region;	1480	package cf::region;
1222		1481
1223	=item cf::region::find_by_path $path	1482	=item cf::region::find_by_path $path
1224		1483
1225	Tries to decuce the probable region for a map knowing only its path.	1484	Tries to decuce the likely region for a map knowing only its path.
1226		1485
1227	=cut	1486	=cut
1228		1487
1229	sub find_by_path($) {	1488	sub find_by_path($) {
1230	my ($path) = @_;	1489	my ($path) = @_;
…		…
1304	my ($self, $merge) = @_;	1563	my ($self, $merge) = @_;
1305		1564
1306	# we have to keep some variables in memory intact	1565	# we have to keep some variables in memory intact
1307	local $self->{path};	1566	local $self->{path};
1308	local $self->{load_path};	1567	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1568
1312	$self->SUPER::thawer_merge ($merge);	1569	$self->SUPER::thawer_merge ($merge);
1313	}	1570	}
1314		1571
1315	sub normalise {	1572	sub normalise {
…		…
1415		1672
1416	$_->change_map_light ($change)	1673	$_->change_map_light ($change)
1417	for grep $_->outdoor, values %cf::MAP;	1674	for grep $_->outdoor, values %cf::MAP;
1418	}	1675	}
1419		1676
		1677	sub decay_objects {
		1678	my ($self) = @_;
		1679
		1680	return if $self->{deny_reset};
		1681
		1682	$self->do_decay_objects;
		1683	}
		1684
1420	sub unlink_save {	1685	sub unlink_save {
1421	my ($self) = @_;	1686	my ($self) = @_;
1422		1687
1423	utf8::encode (my $save = $self->save_path);	1688	utf8::encode (my $save = $self->save_path);
1424	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1689	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1480	$self->load_header_orig	1745	$self->load_header_orig
1481	or return;	1746	or return;
1482	$self->prepare_orig;	1747	$self->prepare_orig;
1483	}	1748	}
1484		1749
		1750	$self->{deny_reset} = 1
		1751	if $self->no_reset;
		1752
1485	$self->default_region (cf::region::find_by_path $self->{path})	1753	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	1754	unless $self->default_region;
1487		1755
1488	1	1756	1
1489	}	1757	}
…		…
1504	$map->{last_save} = $cf::RUNTIME;	1772	$map->{last_save} = $cf::RUNTIME;
1505		1773
1506	$map->load_header	1774	$map->load_header
1507	or return;	1775	or return;
1508		1776
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	1778	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	1779	#$cf::WAIT_FOR_TICK->wait;
1512	$map->reset;	1780	$map->reset;
1513	undef $guard;	1781	undef $guard;
1514	return find $path;	1782	return find $path;
…		…
1581	my ($self, $ob) = @_;	1849	my ($self, $ob) = @_;
1582		1850
1583	return find "~" . $ob->name . "/" . $self->{path}	1851	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	1852	if $self->per_player;
1585		1853
		1854	# return find "?party/" . $ob->name . "/" . $self->{path}
		1855	# if $self->per_party;
		1856
1586	$self	1857	$self
1587	}	1858	}
1588		1859
1589	# find and load all maps in the 3x3 area around a map	1860	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	1861	sub load_diag {
…		…
1700		1971
1701	sub reset_at {	1972	sub reset_at {
1702	my ($self) = @_;	1973	my ($self) = @_;
1703		1974
1704	# TODO: safety, remove and allow resettable per-player maps	1975	# 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};	1976	return 1e99 if $self->{deny_reset};
1707		1977
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1978	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;	1979	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;
1710		1980
…		…
1721	my ($self) = @_;	1991	my ($self) = @_;
1722		1992
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	1993	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		1994
1725	return if $self->players;	1995	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		1996
1728	warn "resetting map ", $self->path;#d#	1997	warn "resetting map ", $self->path;
1729		1998
1730	$self->in_memory (cf::MAP_SWAPPED);	1999	$self->in_memory (cf::MAP_SWAPPED);
1731		2000
1732	# need to save uniques path	2001	# need to save uniques path
1733	unless ($self->{deny_save}) {	2002	unless ($self->{deny_save}) {
…		…
1765	$cf::MAP{$self->path} = $self;	2034	$cf::MAP{$self->path} = $self;
1766		2035
1767	$self->reset; # polite request, might not happen	2036	$self->reset; # polite request, might not happen
1768	}	2037	}
1769		2038
		2039	=item $maps = cf::map::tmp_maps
		2040
		2041	Returns an arrayref with all map paths of currently instantiated and saved
		2042	maps. May block.
		2043
		2044	=cut
		2045
		2046	sub tmp_maps() {
		2047	[
		2048	map {
		2049	utf8::decode $_;
		2050	/\.map$/
		2051	? normalise $_
		2052	: ()
		2053	} @{ aio_readdir $TMPDIR or [] }
		2054	]
		2055	}
		2056
		2057	=item $maps = cf::map::random_maps
		2058
		2059	Returns an arrayref with all map paths of currently instantiated and saved
		2060	random maps. May block.
		2061
		2062	=cut
		2063
		2064	sub random_maps() {
		2065	[
		2066	map {
		2067	utf8::decode $_;
		2068	/\.map$/
		2069	? normalise "?random/$_"
		2070	: ()
		2071	} @{ aio_readdir $RANDOMDIR or [] }
		2072	]
		2073	}
		2074
1770	=item cf::map::unique_maps	2075	=item cf::map::unique_maps
1771		2076
1772	Returns an arrayref of paths of all shared maps that have	2077	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2078	instantiated unique items. May block.
1774		2079
1775	=cut	2080	=cut
1776		2081
1777	sub unique_maps() {	2082	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2083	[
1779	or return;	2084	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2085	utf8::decode $_;
1785	next if /\.pst$/;	2086	/\.map$/
1786	next unless /^$PATH_SEP/o;	2087	? normalise $_
1787		2088	: ()
1788	push @paths, cf::map::normalise $_;	2089	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2090	]
1790
1791	\@paths
1792	}	2091	}
1793		2092
1794	package cf;	2093	package cf;
1795		2094
1796	=back	2095	=back
…		…
1842		2141
1843	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;	2142	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;
1844		2143
1845	if ($self->{record_replies}) {	2144	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2145	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2146
1847	} 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 {
1848	$msg = $npc->name . " says: $msg" if $npc;	2160	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2161	$self->message ($msg, $flags);
		2162	}
1850	}	2163	}
1851	}	2164	}
1852		2165
1853	=item $player_object->may ("access")	2166	=item $player_object->may ("access")
1854		2167
…		…
1902	$self->deactivate_recursive;	2215	$self->deactivate_recursive;
1903		2216
1904	return if UNIVERSAL::isa $self->map, "ext::map_link";	2217	return if UNIVERSAL::isa $self->map, "ext::map_link";
1905		2218
1906	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]	2219	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]
1907	if $self->map;	2220	if $self->map && $self->map->{path} ne "{link}";
1908		2221
1909	$self->enter_map ($LINK_MAP \|\| link_map, 10, 10);	2222	$self->enter_map ($LINK_MAP \|\| link_map, 10, 10);
1910	}	2223	}
1911		2224
1912	sub cf::object::player::leave_link {	2225	sub cf::object::player::leave_link {
1913	my ($self, $map, $x, $y) = @_;	2226	my ($self, $map, $x, $y) = @_;
		2227
		2228	return unless $self->contr->active;
1914		2229
1915	my $link_pos = delete $self->{_link_pos};	2230	my $link_pos = delete $self->{_link_pos};
1916		2231
1917	unless ($map) {	2232	unless ($map) {
1918	# restore original map position	2233	# restore original map position
…		…
1941		2256
1942	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1943	$self->enter_map ($map, $x, $y);	2258	$self->enter_map ($map, $x, $y);
1944	}	2259	}
1945		2260
1946	cf::player->attach (
1947	on_logout => sub {
1948	my ($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)	2261	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1979		2262
		2263	Moves the player to the given map-path and coordinates by first freezing
		2264	her, loading and preparing them map, calling the provided $check callback
		2265	that has to return the map if sucecssful, and then unfreezes the player on
		2266	the new (success) or old (failed) map position.
		2267
1980	=cut	2268	=cut
		2269
		2270	our $GOTOGEN;
1981		2271
1982	sub cf::object::player::goto {	2272	sub cf::object::player::goto {
1983	my ($self, $path, $x, $y) = @_;	2273	my ($self, $path, $x, $y, $check) = @_;
		2274
		2275	# do generation counting so two concurrent goto's will be executed in-order
		2276	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1984		2277
1985	$self->enter_link;	2278	$self->enter_link;
1986		2279
1987	(async {	2280	(async {
1988	my $map = eval {	2281	my $map = eval {
1989	my $map = cf::map::find $path;	2282	my $map = cf::map::find $path;
		2283
		2284	if ($map) {
1990	$map = $map->customise_for ($self) if $map;	2285	$map = $map->customise_for ($self);
		2286	$map = $check->($map) if $check && $map;
		2287	} else {
		2288	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
		2289	}
		2290
1991	$map	2291	$map
		2292	};
		2293
		2294	if ($@) {
		2295	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE \| cf::NDI_RED);
		2296	LOG llevError \| logBacktrace, Carp::longmess $@;
1992	} or	2297	}
1993	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
1994		2298
		2299	if ($gen == $self->{_goto_generation}) {
		2300	delete $self->{_goto_generation};
1995	$self->leave_link ($map, $x, $y);	2301	$self->leave_link ($map, $x, $y);
		2302	}
1996	})->prio (1);	2303	})->prio (1);
1997	}	2304	}
1998		2305
1999	=item $player_object->enter_exit ($exit_object)	2306	=item $player_object->enter_exit ($exit_object)
2000		2307
…		…
2069	my $hp = $exit->stats->hp;	2376	my $hp = $exit->stats->hp;
2070	my $sp = $exit->stats->sp;	2377	my $sp = $exit->stats->sp;
2071		2378
2072	$self->enter_link;	2379	$self->enter_link;
2073		2380
		2381	# if exit is damned, update players death & WoR home-position
		2382	$self->contr->savebed ($slaying, $hp, $sp)
		2383	if $exit->flag (FLAG_DAMNED);
		2384
2074	(async {	2385	(async {
2075	$self->deactivate_recursive; # just to be sure	2386	$self->deactivate_recursive; # just to be sure
2076	unless (eval {	2387	unless (eval {
2077	$self->goto ($slaying, $hp, $sp);	2388	$self->goto ($slaying, $hp, $sp);
2078		2389
…		…
2105		2416
2106	utf8::encode $text;	2417	utf8::encode $text;
2107	$self->send_packet (sprintf "drawinfo %d %s", $flags \|\| cf::NDI_BLACK, $text);	2418	$self->send_packet (sprintf "drawinfo %d %s", $flags \|\| cf::NDI_BLACK, $text);
2108	}	2419	}
2109		2420
		2421	=item $client->send_msg ($color, $type, $msg, [extra...])
		2422
		2423	Send a drawinfo or msg packet to the client, formatting the msg for the
		2424	client if neccessary. C<$type> should be a string identifying the type of
		2425	the message, with C<log> being the default. If C<$color> is negative, suppress
		2426	the message unless the client supports the msg packet.
		2427
		2428	=cut
		2429
		2430	sub cf::client::send_msg {
		2431	my ($self, $color, $type, $msg, @extra) = @_;
		2432
		2433	$msg = $self->pl->expand_cfpod ($msg);
		2434
		2435	return unless @extra \|\| length $msg;
		2436
		2437	if ($self->can_msg) {
		2438	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2439	} else {
		2440	# replace some tags by gcfclient-compatible ones
		2441	for ($msg) {
		2442	1 while
		2443	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2444	\|\| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2445	\|\| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2446	\|\| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2447	\|\| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2448	}
		2449
		2450	if ($color >= 0) {
		2451	if (0 && $msg =~ /\[/) {
		2452	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2453	} else {
		2454	$msg =~ s/\[\/?(?:b\|i\|u\|fixed\|color)[^\]]*\]//g;
		2455	$self->send_packet ("drawinfo $color $msg")
		2456	}
		2457	}
		2458	}
		2459	}
		2460
2110	=item $client->ext_event ($type, %msg)	2461	=item $client->ext_event ($type, %msg)
2111		2462
2112	Sends an exti event to the client.	2463	Sends an ext event to the client.
2113		2464
2114	=cut	2465	=cut
2115		2466
2116	sub cf::client::ext_event($$%) {	2467	sub cf::client::ext_event($$%) {
2117	my ($self, $type, %msg) = @_;	2468	my ($self, $type, %msg) = @_;
2118		2469
2119	$msg{msgtype} = "event_$type";	2470	$msg{msgtype} = "event_$type";
2120	$self->send_packet ("ext " . cf::to_json \%msg);	2471	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
2121	}	2472	}
2122		2473
2123	=item $success = $client->query ($flags, "text", \&cb)	2474	=item $success = $client->query ($flags, "text", \&cb)
2124		2475
2125	Queues a query to the client, calling the given callback with	2476	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>,	2477	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>.	2478	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2128		2479
2129	Queries can fail, so check the return code. Or don't, as queries will become	2480	Queries can fail, so check the return code. Or don't, as queries will
2130	reliable at some point in the future.	2481	become reliable at some point in the future.
2131		2482
2132	=cut	2483	=cut
2133		2484
2134	sub cf::client::query {	2485	sub cf::client::query {
2135	my ($self, $flags, $text, $cb) = @_;	2486	my ($self, $flags, $text, $cb) = @_;
…		…
2143	utf8::encode $text;	2494	utf8::encode $text;
2144	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2495	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2145		2496
2146	$self->send_packet ($self->{query_queue}[0][0])	2497	$self->send_packet ($self->{query_queue}[0][0])
2147	if @{ $self->{query_queue} } == 1;	2498	if @{ $self->{query_queue} } == 1;
		2499
		2500	1
2148	}	2501	}
2149		2502
2150	cf::client->attach (	2503	cf::client->attach (
		2504	on_connect => sub {
		2505	my ($ns) = @_;
		2506
		2507	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2508	},
2151	on_reply => sub {	2509	on_reply => sub {
2152	my ($ns, $msg) = @_;	2510	my ($ns, $msg) = @_;
2153		2511
2154	# this weird shuffling is so that direct followup queries	2512	# this weird shuffling is so that direct followup queries
2155	# get handled first	2513	# get handled first
…		…
2167	} else {	2525	} else {
2168	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2526	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2169	}	2527	}
2170	}	2528	}
2171	},	2529	},
		2530	on_exticmd => sub {
		2531	my ($ns, $buf) = @_;
		2532
		2533	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2534
		2535	if (ref $msg) {
		2536	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2537	if (my %reply = $cb->($ns, $msg)) {
		2538	$reply{msgid} = $msg->{msgid};
		2539	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2540	}
		2541	}
		2542	} else {
		2543	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2544	}
		2545
		2546	cf::override;
		2547	},
2172	);	2548	);
2173		2549
2174	=item $client->async (\&cb)	2550	=item $client->async (\&cb)
2175		2551
2176	Create a new coroutine, running the specified callback. The coroutine will	2552	Create a new coroutine, running the specified callback. The coroutine will
…		…
2225		2601
2226	=pod	2602	=pod
2227		2603
2228	The following functions and methods are available within a safe environment:	2604	The following functions and methods are available within a safe environment:
2229		2605
2230	cf::object contr pay_amount pay_player map	2606	cf::object
		2607	contr pay_amount pay_player map x y force_find force_add
		2608	insert remove
		2609
2231	cf::object::player player	2610	cf::object::player
2232	cf::player peaceful	2611	player
2233	cf::map trigger	2612
		2613	cf::player
		2614	peaceful
		2615
		2616	cf::map
		2617	trigger
2234		2618
2235	=cut	2619	=cut
2236		2620
2237	for (	2621	for (
2238	["cf::object" => qw(contr pay_amount pay_player map)],	2622	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2623	insert remove)],
2239	["cf::object::player" => qw(player)],	2624	["cf::object::player" => qw(player)],
2240	["cf::player" => qw(peaceful)],	2625	["cf::player" => qw(peaceful)],
2241	["cf::map" => qw(trigger)],	2626	["cf::map" => qw(trigger)],
2242	) {	2627	) {
2243	no strict 'refs';	2628	no strict 'refs';
…		…
2314	=back	2699	=back
2315		2700
2316	=cut	2701	=cut
2317		2702
2318	#############################################################################	2703	#############################################################################
2319
2320	=head2 EXTENSION DATABASE SUPPORT
2321
2322	Crossfire maintains a very simple database for extension use. It can
2323	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2324	convert to/from binary).
2325
2326	The parameter C<$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 $@;
2486	_exit 0;
2487	}
2488	}
2489
2490
2491
2492	#############################################################################
2493	# the server's init and main functions	2704	# the server's init and main functions
2494		2705
2495	sub load_facedata($) {	2706	sub load_facedata($) {
2496	my ($path) = @_;	2707	my ($path) = @_;
2497		2708
…		…
2509	{	2720	{
2510	my $faces = $facedata->{faceinfo};	2721	my $faces = $facedata->{faceinfo};
2511		2722
2512	while (my ($face, $info) = each %$faces) {	2723	while (my ($face, $info) = each %$faces) {
2513	my $idx = (cf::face::find $face) \|\| cf::face::alloc $face;	2724	my $idx = (cf::face::find $face) \|\| cf::face::alloc $face;
2514	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2725	cf::face::set_visibility $idx, $info->{visibility};
		2726	cf::face::set_magicmap $idx, $info->{magicmap};
2515	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2727	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2516	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2728	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2517	Coro::cede;	2729
		2730	cf::cede_to_tick;
2518	}	2731	}
2519		2732
2520	while (my ($face, $info) = each %$faces) {	2733	while (my ($face, $info) = each %$faces) {
2521	next unless $info->{smooth};	2734	next unless $info->{smooth};
2522	my $idx = cf::face::find $face	2735	my $idx = cf::face::find $face
2523	or next;	2736	or next;
2524	if (my $smooth = cf::face::find $info->{smooth}) {	2737	if (my $smooth = cf::face::find $info->{smooth}) {
		2738	cf::face::set_smooth $idx, $smooth;
2525	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2739	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2526	} else {	2740	} else {
2527	warn "smooth face '$info->{smooth}' not found for face '$face'";	2741	warn "smooth face '$info->{smooth}' not found for face '$face'";
2528	}	2742	}
2529	Coro::cede;	2743
		2744	cf::cede_to_tick;
2530	}	2745	}
2531	}	2746	}
2532		2747
2533	{	2748	{
2534	my $anims = $facedata->{animinfo};	2749	my $anims = $facedata->{animinfo};
2535		2750
2536	while (my ($anim, $info) = each %$anims) {	2751	while (my ($anim, $info) = each %$anims) {
2537	cf::anim::set $anim, $info->{frames}, $info->{facings};	2752	cf::anim::set $anim, $info->{frames}, $info->{facings};
2538	Coro::cede;	2753	cf::cede_to_tick;
2539	}	2754	}
2540		2755
2541	cf::anim::invalidate_all; # d'oh	2756	cf::anim::invalidate_all; # d'oh
		2757	}
		2758
		2759	{
		2760	# TODO: for gcfclient pleasure, we should give resources
		2761	# that gcfclient doesn't grok a >10000 face index.
		2762	my $res = $facedata->{resource};
		2763	my $enc = JSON::XS->new->utf8->canonical;
		2764
		2765	while (my ($name, $info) = each %$res) {
		2766	my $meta = $enc->encode ({
		2767	name => $name,
		2768	type => $info->{type},
		2769	copyright => $info->{copyright}, #TODO#
		2770	});
		2771	my $data = pack "(w/a)", $meta, $info->{data};
		2772	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2773
		2774	my $idx = (cf::face::find $name) \|\| cf::face::alloc $name;
		2775	cf::face::set_type $idx, 1;
		2776	cf::face::set_data $idx, 0, $data, $chk;
		2777
		2778	cf::cede_to_tick;
		2779	}
2542	}	2780	}
2543		2781
2544	1	2782	1
2545	}	2783	}
2546		2784
…		…
2555	}	2793	}
2556		2794
2557	sub reload_archetypes {	2795	sub reload_archetypes {
2558	load_resource_file "$DATADIR/archetypes"	2796	load_resource_file "$DATADIR/archetypes"
2559	or die "unable to load archetypes\n";	2797	or die "unable to load archetypes\n";
		2798	#d# NEED to laod twice to resolve forward references
		2799	# this really needs to be done in an extra post-pass
		2800	# (which needs to be synchronous, so solve it differently)
		2801	load_resource_file "$DATADIR/archetypes"
		2802	or die "unable to load archetypes\n";
2560	}	2803	}
2561		2804
2562	sub reload_treasures {	2805	sub reload_treasures {
2563	load_resource_file "$DATADIR/treasures"	2806	load_resource_file "$DATADIR/treasures"
2564	or die "unable to load treasurelists\n";	2807	or die "unable to load treasurelists\n";
…		…
2567	sub reload_resources {	2810	sub reload_resources {
2568	warn "reloading resource files...\n";	2811	warn "reloading resource files...\n";
2569		2812
2570	reload_regions;	2813	reload_regions;
2571	reload_facedata;	2814	reload_facedata;
		2815	#reload_archetypes;#d#
2572	reload_archetypes;	2816	reload_archetypes;
2573	reload_treasures;	2817	reload_treasures;
2574		2818
2575	warn "finished reloading resource files\n";	2819	warn "finished reloading resource files\n";
2576	}	2820	}
…		…
2633	},	2877	},
2634	);	2878	);
2635	}	2879	}
2636	}	2880	}
2637		2881
		2882	sub write_runtime {
		2883	my $runtime = "$LOCALDIR/runtime";
		2884
		2885	# first touch the runtime file to show we are still running:
		2886	# the fsync below can take a very very long time.
		2887
		2888	IO::AIO::aio_utime $runtime, undef, undef;
		2889
		2890	my $guard = cf::lock_acquire "write_runtime";
		2891
		2892	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644
		2893	or return;
		2894
		2895	my $value = $cf::RUNTIME + 90 + 10;
		2896	# 10 is the runtime save interval, for a monotonic clock
		2897	# 60 allows for the watchdog to kill the server.
		2898
		2899	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2900	and return;
		2901
		2902	# always fsync - this file is important
		2903	aio_fsync $fh
		2904	and return;
		2905
		2906	# touch it again to show we are up-to-date
		2907	aio_utime $fh, undef, undef;
		2908
		2909	close $fh
		2910	or return;
		2911
		2912	aio_rename "$runtime~", $runtime
		2913	and return;
		2914
		2915	warn "runtime file written.\n";
		2916
		2917	1
		2918	}
		2919
2638	sub emergency_save() {	2920	sub emergency_save() {
2639	my $freeze_guard = cf::freeze_mainloop;	2921	my $freeze_guard = cf::freeze_mainloop;
2640		2922
2641	warn "enter emergency perl save\n";	2923	warn "enter emergency perl save\n";
2642		2924
…		…
2717	%EXT_CORO = ();	2999	%EXT_CORO = ();
2718		3000
2719	warn "removing commands";	3001	warn "removing commands";
2720	%COMMAND = ();	3002	%COMMAND = ();
2721		3003
2722	warn "removing ext commands";	3004	warn "removing ext/exti commands";
2723	%EXTCMD = ();	3005	%EXTCMD = ();
		3006	%EXTICMD = ();
2724		3007
2725	warn "unloading/nuking all extensions";	3008	warn "unloading/nuking all extensions";
2726	for my $pkg (@EXTS) {	3009	for my $pkg (@EXTS) {
2727	warn "... unloading $pkg";	3010	warn "... unloading $pkg";
2728		3011
…		…
2846	my $signal = new Coro::Signal;	3129	my $signal = new Coro::Signal;
2847	push @WAIT_FOR_TICK_BEGIN, $signal;	3130	push @WAIT_FOR_TICK_BEGIN, $signal;
2848	$signal->wait;	3131	$signal->wait;
2849	}	3132	}
2850		3133
		3134	my $min = 1e6;#d#
		3135	my $avg = 10;
2851	$TICK_WATCHER = Event->timer (	3136	$TICK_WATCHER = Event->timer (
2852	reentrant => 0,	3137	reentrant => 0,
2853	parked => 1,	3138	parked => 1,
2854	prio => 0,	3139	prio => 0,
2855	at => $NEXT_TICK \|\| $TICK,	3140	at => $NEXT_TICK \|\| $TICK,
…		…
2862	}	3147	}
2863		3148
2864	$NOW = $tick_start = Event::time;	3149	$NOW = $tick_start = Event::time;
2865		3150
2866	cf::server_tick; # one server iteration	3151	cf::server_tick; # one server iteration
		3152
		3153	0 && sync_job {#d#
		3154	for(1..10) {
		3155	my $t = Event::time;
		3156	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3157	or die;
		3158
		3159	$map->width (50);
		3160	$map->height (50);
		3161	$map->alloc;
		3162	$map->_load_objects ("/tmp/x.map", 1);
		3163	my $t = Event::time - $t;
		3164
		3165	#next unless $t < 0.0013;#d#
		3166	if ($t < $min) {
		3167	$min = $t;
		3168	}
		3169	$avg = $avg * 0.99 + $t * 0.01;
		3170	}
		3171	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3172	exit 0;
		3173	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3174	};
2867		3175
2868	$RUNTIME += $TICK;	3176	$RUNTIME += $TICK;
2869	$NEXT_TICK += $TICK;	3177	$NEXT_TICK += $TICK;
2870		3178
2871	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3179	if ($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 1.303 by root, Wed Jul 11 15:57:31 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 1.303 by root, Wed Jul 11 15:57:31 2007 UTC