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/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.230 by root, Mon Apr 2 18:04:46 2007 UTC vs.
Revision 1.280 by root, Sat Jun 16 14:35:41 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
9	use Event;	10	use Event;
10	use Opcode;	11	use Opcode;
11	use Safe;	12	use Safe;
12	use Safe::Hole;	13	use Safe::Hole;
13		14
14	use Coro 3.52 ();	15	use Coro 3.61 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::Event;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
21		24
22	use BDB ();	25	use BDB ();
23	use Data::Dumper;	26	use Data::Dumper;
24	use Digest::MD5;	27	use Digest::MD5;
25	use Fcntl;	28	use Fcntl;
…		…
28	use Time::HiRes;	31	use Time::HiRes;
29	use Compress::LZF;	32	use Compress::LZF;
30		33
31	# configure various modules to our taste	34	# configure various modules to our taste
32	#	35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35		39
36	$Event::Eval = 1; # no idea why this is required, but it is	40	$Event::Eval = 1; # no idea why this is required, but it is
37		41
…		…
50	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
52		56
53	our $RELOAD; # number of reloads so far	57	our $RELOAD; # number of reloads so far
54	our @EVENT;	58	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		59
57	our $TICK = MAX_TIME * 1e-6;	60	our $CONFDIR = confdir;
		61	our $DATADIR = datadir;
		62	our $LIBDIR = "$DATADIR/ext";
		63	our $PODDIR = "$DATADIR/pod";
		64	our $MAPDIR = "$DATADIR/" . mapdir;
		65	our $LOCALDIR = localdir;
		66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		69	our $RANDOMDIR = "$LOCALDIR/random";
		70	our $BDBDIR = "$LOCALDIR/db";
		71
		72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
58	our $TICK_WATCHER;	73	our $TICK_WATCHER;
59	our $AIO_POLL_WATCHER;	74	our $AIO_POLL_WATCHER;
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	76	our $NEXT_TICK;
62	our $NOW;	77	our $NOW;
…		…
71	our $RUNTIME;	86	our $RUNTIME;
72		87
73	our %PLAYER; # all users	88	our %PLAYER; # all users
74	our %MAP; # all maps	89	our %MAP; # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	90	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		91
82	# used to convert map paths into valid unix filenames by replacing / by ∕	92	# used to convert map paths into valid unix filenames by replacing / by ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		94
		95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		96	our $LOADAVG; # same thing, but with alpha-smoothing
		97	our $tick_start; # for load detecting purposes
		98
85	binmode STDOUT;	99	binmode STDOUT;
86	binmode STDERR;	100	binmode STDERR;
87		101
88	# read virtual server time, if available	102	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
90	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
91	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
92	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
93	}	107	}
94		108
95	mkdir cf::localdir;	109	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		111
102	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
103		113
104	sub cf::map::normalise;	114	sub cf::map::normalise;
105		115
…		…
116	=item $cf::RUNTIME	126	=item $cf::RUNTIME
117		127
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	128	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	129	every server tick.
120		130
121	=item $cf::LIBDIR	131	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		132	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		133	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		134
123	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		137	unique-items directory, player file directory, random maps directory and
		138	database environment.
125		139
126	=item $cf::NOW	140	=item $cf::NOW
127		141
128	The time of the last (current) server tick.	142	The time of the last (current) server tick.
129		143
130	=item $cf::TICK	144	=item $cf::TICK
131		145
132	The interval between server ticks, in seconds.	146	The interval between server ticks, in seconds.
		147
		148	=item $cf::LOADAVG
		149
		150	The current CPU load on the server (alpha-smoothed), as a value between 0
		151	(none) and 1 (overloaded), indicating how much time is spent on processing
		152	objects per tick. Healthy values are < 0.5.
		153
		154	=item $cf::LOAD
		155
		156	The raw value load value from the last tick.
133		157
134	=item %cf::CFG	158	=item %cf::CFG
135		159
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
137	from wherever your confdir points to.	161	from wherever your confdir points to.
138		162
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		164
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	166	returns directly I<after> the tick processing (and consequently, can only wake one process
143	processing has been done. Call C<< ->wait >> on them to maximise the	167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.
145		168
146	=back	169	=back
147		170
148	=cut	171	=cut
149		172
150	BEGIN {	173	BEGIN {
151	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	175	my $msg = join "", @_;
153	utf8::encode $msg;
154		176
155	$msg .= "\n"	177	$msg .= "\n"
156	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
157		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
158	LOG llevError, $msg;	183	LOG llevError, $msg;
159	};	184	};
160	}	185	}
161		186
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		192	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	193	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		194
169	# we bless all objects into (empty) derived classes to force a method lookup	195	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	196	# within the Safe compartment.
171	for my $pkg (qw(	197	for my $pkg (qw(
172	cf::global cf::attachable	198	cf::global cf::attachable
…		…
232	returned.	258	returned.
233		259
234	Lock names should begin with a unique identifier (for example, cf::map::find	260	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	261	uses map_find and cf::map::load uses map_load).
236		262
		263	=item $locked = cf::lock_active $string
		264
		265	Return true if the lock is currently active, i.e. somebody has locked it.
		266
237	=cut	267	=cut
238		268
239	our %LOCK;	269	our %LOCK;
240		270
241	sub lock_wait($) {	271	sub lock_wait($) {
…		…
258		288
259	Coro::guard {	289	Coro::guard {
260	# wake up all waiters, to be on the safe side	290	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	291	$_->ready for @{ delete $LOCK{$key} };
262	}	292	}
		293	}
		294
		295	sub lock_active($) {
		296	my ($key) = @_;
		297
		298	! ! $LOCK{$key}
263	}	299	}
264		300
265	sub freeze_mainloop {	301	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	302	return unless $TICK_WATCHER->is_active;
267		303
…		…
297		333
298	sub sync_job(&) {	334	sub sync_job(&) {
299	my ($job) = @_;	335	my ($job) = @_;
300		336
301	if ($Coro::current == $Coro::main) {	337	if ($Coro::current == $Coro::main) {
		338	my $time = Event::time;
		339
302	# this is the main coro, too bad, we have to block	340	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	341	# till the operation succeeds, freezing the server :/
304		342
305	# TODO: use suspend/resume instead	343	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	344	# (but this is cancel-safe)
…		…
317		355
318	while ($busy) {	356	while ($busy) {
319	Coro::cede or Event::one_event;	357	Coro::cede or Event::one_event;
320	}	358	}
321		359
		360	$time = Event::time - $time;
		361
		362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		364
		365	$tick_start += $time; # do not account sync jobs to server load
		366
322	wantarray ? @res : $res[0]	367	wantarray ? @res : $res[0]
323	} else {	368	} else {
324	# we are in another coroutine, how wonderful, everything just works	369	# we are in another coroutine, how wonderful, everything just works
325		370
326	$job->()	371	$job->()
…		…
346		391
347	$coro	392	$coro
348	}	393	}
349		394
350	sub write_runtime {	395	sub write_runtime {
		396	my $runtime = "$LOCALDIR/runtime";
		397
		398	# first touch the runtime file to show we are still running:
		399	# the fsync below can take a very very long time.
		400
		401	IO::AIO::aio_utime $runtime, undef, undef;
		402
351	my $guard = cf::lock_acquire "write_runtime";	403	my $guard = cf::lock_acquire "write_runtime";
352
353	my $runtime = cf::localdir . "/runtime";
354		404
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
356	or return;	406	or return;
357		407
358	my $value = $cf::RUNTIME + 90 + 10;	408	my $value = $cf::RUNTIME + 90 + 10;
…		…
364		414
365	# always fsync - this file is important	415	# always fsync - this file is important
366	aio_fsync $fh	416	aio_fsync $fh
367	and return;	417	and return;
368		418
		419	# touch it again to show we are up-to-date
		420	aio_utime $fh, undef, undef;
		421
369	close $fh	422	close $fh
370	or return;	423	or return;
371		424
372	aio_rename "$runtime~", $runtime	425	aio_rename "$runtime~", $runtime
373	and return;	426	and return;
		427
		428	warn "runtime file written.\n";
374		429
375	1	430	1
376	}	431	}
377		432
378	=item cf::datalog type => key => value, ...	433	=item cf::datalog type => key => value, ...
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	626	$registry = $CB_TYPE[$object_type] ||= [];
572		627
573	} elsif ($type eq "subtype") {	628	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	629	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	630	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	631	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		632
578	} elsif ($type eq "package") {	633	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	634	my $pkg = shift @arg;
580		635
581	while (my ($name, $id) = each %cb_id) {	636	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	665	_attach $registry, $klass, @attach;
611	}	666	}
612		667
613	$obj->{$name} = \%arg;	668	$obj->{$name} = \%arg;
614	} else {	669	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	670	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	671	}
617		672
618	$obj->{_attachment}{$name} = undef;	673	$obj->{_attachment}{$name} = undef;
619	}	674	}
620		675
…		…
622	if (ref $_[0]) {	677	if (ref $_[0]) {
623	_object_attach @_;	678	_object_attach @_;
624	} else {	679	} else {
625	_attach shift->_attach_registry, @_;	680	_attach shift->_attach_registry, @_;
626	}	681	}
		682	_recalc_want;
627	};	683	};
628		684
629	# all those should be optimised	685	# all those should be optimised
630	sub cf::attachable::detach {	686	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	687	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	690	delete $obj->{_attachment}{$name};
635	reattach ($obj);	691	reattach ($obj);
636	} else {	692	} else {
637	Carp::croak "cannot, currently, detach class attachments";	693	Carp::croak "cannot, currently, detach class attachments";
638	}	694	}
		695	_recalc_want;
639	};	696	};
640		697
641	sub cf::attachable::attached {	698	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	699	my ($obj, $name) = @_;
643		700
…		…
816	or return;	873	or return;
817	$av = eval { (Storable::thaw $av)->{objs} };	874	$av = eval { (Storable::thaw $av)->{objs} };
818	}	875	}
819		876
820	warn sprintf "loading %s (%d)\n",	877	warn sprintf "loading %s (%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	878	$filename, length $data, scalar @{$av || []};
822	return ($data, $av);	879	return ($data, $av);
823	}	880	}
824		881
825	#############################################################################	882	#############################################################################
826	# command handling &c	883	# command handling &c
…		…
886		943
887	cf::override;	944	cf::override;
888	},	945	},
889	);	946	);
890		947
891	sub load_extension {
892	my ($path) = @_;
893
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
895	my $base = $1;
896	my $pkg = $1;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}
919	die $@;
920	}
921
922	push @EXTS, $pkg;
923	}
924
925	sub load_extensions {	948	sub load_extensions {
		949	cf::sync_job {
		950	my %todo;
		951
926	for my $ext (<$LIBDIR/*.ext>) {	952	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	953	next unless -r $path;
928	eval {	954
929	load_extension $ext;	955	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		956	my $base = $1;
		957	my $pkg = $1;
		958	$pkg =~ s/[^[:word:]]/_/g;
		959	$pkg = "ext::$pkg";
		960
		961	open my $fh, "<:utf8", $path
		962	or die "$path: $!";
		963
		964	my $source = do { local $/; <$fh> };
		965
		966	my %ext = (
		967	path => $path,
		968	base => $base,
		969	pkg => $pkg,
		970	);
		971
		972	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		973	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		974
		975	$ext{source} =
		976	"package $pkg; use strict; use utf8;\n"
		977	. "#line 1 \"$path\"\n{\n"
		978	. $source
		979	. "\n};\n1";
		980
		981	$todo{$base} = \%ext;
		982	}
		983
		984	my %done;
		985	while (%todo) {
		986	my $progress;
		987
		988	while (my ($k, $v) = each %todo) {
		989	for (split /,\s*/, $v->{meta}{depends}) {
		990	goto skip
		991	unless exists $done{$_};
		992	}
		993
		994	warn "... loading '$k' into '$v->{pkg}'\n";
		995
		996	unless (eval $v->{source}) {
		997	my $msg = $@ ? "$v->{path}: $@\n"
		998	: "$v->{base}: extension inactive.\n";
		999
		1000	if (exists $v->{meta}{mandatory}) {
		1001	warn $msg;
		1002	warn "mandatory extension failed to load, exiting.\n";
		1003	exit 1;
		1004	}
		1005
		1006	warn $msg;
		1007	}
		1008
		1009	$done{$k} = delete $todo{$k};
		1010	push @EXTS, $v->{pkg};
		1011	$progress = 1;
930	1	1012	}
931	} or warn "$ext not loaded: $@";	1013
		1014	skip:
		1015	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1016	unless $progress;
		1017	}
932	}	1018	};
933	}	1019	}
934		1020
935	#############################################################################	1021	#############################################################################
936		1022
937	=head2 CORE EXTENSIONS	1023	=head2 CORE EXTENSIONS
…		…
953	Returns the given player object, loading it if necessary (might block).	1039	Returns the given player object, loading it if necessary (might block).
954		1040
955	=cut	1041	=cut
956		1042
957	sub playerdir($) {	1043	sub playerdir($) {
958	cf::localdir	1044	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1045	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1046	}
964		1047
965	sub path($) {	1048	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1049	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1050
968	(playerdir $login) . "/$login.pl"	1051	(playerdir $login) . "/playerdata"
969	}	1052	}
970		1053
971	sub find_active($) {	1054	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1055	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1056	and $cf::PLAYER{$_[0]}->active
…		…
986	my $login = $_[0];	1069	my $login = $_[0];
987		1070
988	my $guard = cf::lock_acquire "user_find:$login";	1071	my $guard = cf::lock_acquire "user_find:$login";
989		1072
990	$cf::PLAYER{$_[0]} || do {	1073	$cf::PLAYER{$_[0]} || do {
		1074	# rename old playerfiles to new ones
		1075	#TODO: remove when no longer required
		1076	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1077	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1078	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1079	aio_unlink +(playerdir $login) . "/$login.pl";
		1080
991	my $pl = load_pl path $login	1081	my $pl = load_pl path $login
992	or return;	1082	or return;
993	$cf::PLAYER{$login} = $pl	1083	$cf::PLAYER{$login} = $pl
994	}	1084	}
995	}	1085	}
…		…
1079	while and may block, so not sync_job-capable, ever.	1169	while and may block, so not sync_job-capable, ever.
1080		1170
1081	=cut	1171	=cut
1082		1172
1083	sub list_logins {	1173	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1174	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1175	or return [];
1086		1176
1087	my @logins;	1177	my @logins;
1088		1178
1089	for my $login (@$dirs) {	1179	for my $login (@$dirs) {
…		…
1124	}	1214	}
1125		1215
1126	\@paths	1216	\@paths
1127	}	1217	}
1128		1218
1129	=item $player->ext_reply ($msgid, $msgtype, %msg)	1219	=item $player->ext_reply ($msgid, %msg)
1130		1220
1131	Sends an ext reply to the player.	1221	Sends an ext reply to the player.
1132		1222
1133	=cut	1223	=cut
1134		1224
1135	sub ext_reply($$$%) {	1225	sub ext_reply($$%) {
1136	my ($self, $id, %msg) = @_;	1226	my ($self, $id, %msg) = @_;
1137		1227
1138	$msg{msgid} = $id;	1228	$msg{msgid} = $id;
1139		1229
1140	$self->send ("ext " . cf::to_json \%msg);	1230	$self->send ("ext " . cf::to_json \%msg);
1141	}	1231	}
1142		1232
1143	package cf;	1233	=item $player->ext_event ($type, %msg)
		1234
		1235	Sends an ext event to the client.
		1236
		1237	=cut
		1238
		1239	sub ext_event($$%) {
		1240	my ($self, $type, %msg) = @_;
		1241
		1242	$self->ns->ext_event ($type, %msg);
		1243	}
		1244
		1245	=head3 cf::region
		1246
		1247	=over 4
		1248
		1249	=cut
		1250
		1251	package cf::region;
		1252
		1253	=item cf::region::find_by_path $path
		1254
		1255	Tries to decuce the probable region for a map knowing only its path.
		1256
		1257	=cut
		1258
		1259	sub find_by_path($) {
		1260	my ($path) = @_;
		1261
		1262	my ($match, $specificity);
		1263
		1264	for my $region (list) {
		1265	if ($region->match && $path =~ $region->match) {
		1266	($match, $specificity) = ($region, $region->specificity)
		1267	if $region->specificity > $specificity;
		1268	}
		1269	}
		1270
		1271	$match
		1272	}
1144		1273
1145	=back	1274	=back
1146
1147		1275
1148	=head3 cf::map	1276	=head3 cf::map
1149		1277
1150	=over 4	1278	=over 4
1151		1279
…		…
1206	my ($self, $merge) = @_;	1334	my ($self, $merge) = @_;
1207		1335
1208	# we have to keep some variables in memory intact	1336	# we have to keep some variables in memory intact
1209	local $self->{path};	1337	local $self->{path};
1210	local $self->{load_path};	1338	local $self->{load_path};
1211	local $self->{deny_save};
1212	local $self->{deny_reset};
1213		1339
1214	$self->SUPER::thawer_merge ($merge);	1340	$self->SUPER::thawer_merge ($merge);
1215	}	1341	}
1216		1342
1217	sub normalise {	1343	sub normalise {
…		…
1289		1415
1290	# the original (read-only) location	1416	# the original (read-only) location
1291	sub load_path {	1417	sub load_path {
1292	my ($self) = @_;	1418	my ($self) = @_;
1293		1419
1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1420	"$MAPDIR/$self->{path}.map"
1295	}	1421	}
1296		1422
1297	# the temporary/swap location	1423	# the temporary/swap location
1298	sub save_path {	1424	sub save_path {
1299	my ($self) = @_;	1425	my ($self) = @_;
1300		1426
1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1427	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1428	"$TMPDIR/$path.map"
1303	}	1429	}
1304		1430
1305	# the unique path, undef == no special unique path	1431	# the unique path, undef == no special unique path
1306	sub uniq_path {	1432	sub uniq_path {
1307	my ($self) = @_;	1433	my ($self) = @_;
1308		1434
1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1435	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1436	"$UNIQUEDIR/$path"
1311	}	1437	}
1312		1438
1313	# and all this just because we cannot iterate over	1439	# and all this just because we cannot iterate over
1314	# all maps in C++...	1440	# all maps in C++...
1315	sub change_all_map_light {	1441	sub change_all_map_light {
1316	my ($change) = @_;	1442	my ($change) = @_;
1317		1443
1318	$_->change_map_light ($change)	1444	$_->change_map_light ($change)
1319	for grep $_->outdoor, values %cf::MAP;	1445	for grep $_->outdoor, values %cf::MAP;
		1446	}
		1447
		1448	sub decay_objects {
		1449	my ($self) = @_;
		1450
		1451	return if $self->{deny_reset};
		1452
		1453	$self->do_decay_objects;
1320	}	1454	}
1321		1455
1322	sub unlink_save {	1456	sub unlink_save {
1323	my ($self) = @_;	1457	my ($self) = @_;
1324		1458
…		…
1382	$self->load_header_orig	1516	$self->load_header_orig
1383	or return;	1517	or return;
1384	$self->prepare_orig;	1518	$self->prepare_orig;
1385	}	1519	}
1386		1520
		1521	$self->{deny_reset} = 1
		1522	if $self->no_reset;
		1523
		1524	$self->default_region (cf::region::find_by_path $self->{path})
		1525	unless $self->default_region;
		1526
1387	1	1527	1
1388	}	1528	}
1389		1529
1390	sub find;	1530	sub find;
1391	sub find {	1531	sub find {
…		…
1403	$map->{last_save} = $cf::RUNTIME;	1543	$map->{last_save} = $cf::RUNTIME;
1404		1544
1405	$map->load_header	1545	$map->load_header
1406	or return;	1546	or return;
1407		1547
1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1548	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409	# doing this can freeze the server in a sync job, obviously	1549	# doing this can freeze the server in a sync job, obviously
1410	#$cf::WAIT_FOR_TICK->wait;	1550	#$cf::WAIT_FOR_TICK->wait;
1411	$map->reset;	1551	$map->reset;
1412	undef $guard;	1552	undef $guard;
1413	return find $path;	1553	return find $path;
…		…
1424	my ($self) = @_;	1564	my ($self) = @_;
1425		1565
1426	local $self->{deny_reset} = 1; # loading can take a long time	1566	local $self->{deny_reset} = 1; # loading can take a long time
1427		1567
1428	my $path = $self->{path};	1568	my $path = $self->{path};
		1569
		1570	{
1429	my $guard = cf::lock_acquire "map_load:$path";	1571	my $guard = cf::lock_acquire "map_load:$path";
1430		1572
1431	return if $self->in_memory != cf::MAP_SWAPPED;	1573	return if $self->in_memory != cf::MAP_SWAPPED;
1432		1574
1433	$self->in_memory (cf::MAP_LOADING);	1575	$self->in_memory (cf::MAP_LOADING);
1434		1576
1435	$self->alloc;	1577	$self->alloc;
1436		1578
1437	$self->pre_load;	1579	$self->pre_load;
1438
1439	$self->_load_objects ($self->{load_path}, 1)
1440	or return;
1441
1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1443	if delete $self->{load_original};
1444
1445	if (my $uniq = $self->uniq_path) {
1446	utf8::encode $uniq;
1447	if (aio_open $uniq, O_RDONLY, 0) {
1448	$self->clear_unique_items;
1449	$self->_load_objects ($uniq, 0);
1450	}
1451	}
1452
1453	Coro::cede;
1454
1455	# now do the right thing for maps
1456	$self->link_multipart_objects;
1457
1458	unless ($self->{deny_activate}) {
1459	$self->decay_objects;
1460	$self->fix_auto_apply;
1461	$self->update_buttons;
1462	Coro::cede;	1580	Coro::cede;
1463	$self->set_darkness_map;	1581
		1582	$self->_load_objects ($self->{load_path}, 1)
		1583	or return;
		1584
		1585	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1586	if delete $self->{load_original};
		1587
		1588	if (my $uniq = $self->uniq_path) {
		1589	utf8::encode $uniq;
		1590	if (aio_open $uniq, O_RDONLY, 0) {
		1591	$self->clear_unique_items;
		1592	$self->_load_objects ($uniq, 0);
		1593	}
		1594	}
		1595
		1596	Coro::cede;
		1597	# now do the right thing for maps
		1598	$self->link_multipart_objects;
1464	$self->difficulty ($self->estimate_difficulty)	1599	$self->difficulty ($self->estimate_difficulty)
1465	unless $self->difficulty;	1600	unless $self->difficulty;
1466	Coro::cede;	1601	Coro::cede;
		1602
		1603	unless ($self->{deny_activate}) {
		1604	$self->decay_objects;
		1605	$self->fix_auto_apply;
		1606	$self->update_buttons;
		1607	Coro::cede;
		1608	$self->set_darkness_map;
		1609	Coro::cede;
1467	$self->activate;	1610	$self->activate;
		1611	}
		1612
		1613	$self->in_memory (cf::MAP_IN_MEMORY);
1468	}	1614	}
1469		1615
1470	$self->post_load;	1616	$self->post_load;
1471
1472	$self->in_memory (cf::MAP_IN_MEMORY);
1473	}	1617	}
1474		1618
1475	sub customise_for {	1619	sub customise_for {
1476	my ($self, $ob) = @_;	1620	my ($self, $ob) = @_;
1477		1621
1478	return find "~" . $ob->name . "/" . $self->{path}	1622	return find "~" . $ob->name . "/" . $self->{path}
1479	if $self->per_player;	1623	if $self->per_player;
		1624
		1625	# return find "?party/" . $ob->name . "/" . $self->{path}
		1626	# if $self->per_party;
1480		1627
1481	$self	1628	$self
1482	}	1629	}
1483		1630
1484	# find and load all maps in the 3x3 area around a map	1631	# find and load all maps in the 3x3 area around a map
…		…
1595		1742
1596	sub reset_at {	1743	sub reset_at {
1597	my ($self) = @_;	1744	my ($self) = @_;
1598		1745
1599	# TODO: safety, remove and allow resettable per-player maps	1746	# TODO: safety, remove and allow resettable per-player maps
1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1601	return 1e99 if $self->{deny_reset};	1747	return 1e99 if $self->{deny_reset};
1602		1748
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1749	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1750	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1605		1751
…		…
1616	my ($self) = @_;	1762	my ($self) = @_;
1617		1763
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	1764	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		1765
1620	return if $self->players;	1766	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		1767
1623	warn "resetting map ", $self->path;#d#	1768	warn "resetting map ", $self->path;
1624		1769
1625	$self->in_memory (cf::MAP_SWAPPED);	1770	$self->in_memory (cf::MAP_SWAPPED);
1626		1771
1627	# need to save uniques path	1772	# need to save uniques path
1628	unless ($self->{deny_save}) {	1773	unless ($self->{deny_save}) {
…		…
1660	$cf::MAP{$self->path} = $self;	1805	$cf::MAP{$self->path} = $self;
1661		1806
1662	$self->reset; # polite request, might not happen	1807	$self->reset; # polite request, might not happen
1663	}	1808	}
1664		1809
		1810	=item $maps = cf::map::tmp_maps
		1811
		1812	Returns an arrayref with all map paths of currently instantiated and saved
		1813	maps. May block.
		1814
		1815	=cut
		1816
		1817	sub tmp_maps() {
		1818	[
		1819	map {
		1820	utf8::decode $_;
		1821	/\.map$/
		1822	? normalise $_
		1823	: ()
		1824	} @{ aio_readdir $TMPDIR or [] }
		1825	]
		1826	}
		1827
		1828	=item $maps = cf::map::random_maps
		1829
		1830	Returns an arrayref with all map paths of currently instantiated and saved
		1831	random maps. May block.
		1832
		1833	=cut
		1834
		1835	sub random_maps() {
		1836	[
		1837	map {
		1838	utf8::decode $_;
		1839	/\.map$/
		1840	? normalise "?random/$_"
		1841	: ()
		1842	} @{ aio_readdir $RANDOMDIR or [] }
		1843	]
		1844	}
		1845
1665	=item cf::map::unique_maps	1846	=item cf::map::unique_maps
1666		1847
1667	Returns an arrayref of paths of all shared maps that have	1848	Returns an arrayref of paths of all shared maps that have
1668	instantiated unique items. May block.	1849	instantiated unique items. May block.
1669		1850
1670	=cut	1851	=cut
1671		1852
1672	sub unique_maps() {	1853	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1854	[
1674	or return;	1855	map {
1675
1676	my @paths;
1677
1678	for (@$files) {
1679	utf8::decode $_;	1856	utf8::decode $_;
1680	next if /\.pst$/;	1857	/\.map$/
1681	next unless /^$PATH_SEP/o;	1858	? normalise $_
1682		1859	: ()
1683	push @paths, cf::map::normalise $_;	1860	} @{ aio_readdir $UNIQUEDIR or [] }
1684	}	1861	]
1685
1686	\@paths
1687	}	1862	}
1688		1863
1689	package cf;	1864	package cf;
1690		1865
1691	=back	1866	=back
…		…
1797	$self->deactivate_recursive;	1972	$self->deactivate_recursive;
1798		1973
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	1974	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		1975
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1976	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	1977	if $self->map && $self->map->{path} ne "{link}";
1803		1978
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	1979	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1805	}	1980	}
1806		1981
1807	sub cf::object::player::leave_link {	1982	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	1983	my ($self, $map, $x, $y) = @_;
		1984
		1985	return unless $self->contr->active;
1809		1986
1810	my $link_pos = delete $self->{_link_pos};	1987	my $link_pos = delete $self->{_link_pos};
1811		1988
1812	unless ($map) {	1989	unless ($map) {
1813	# restore original map position	1990	# restore original map position
…		…
1836		2013
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2014	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	2015	$self->enter_map ($map, $x, $y);
1839	}	2016	}
1840		2017
1841	cf::player->attach (
1842	on_logout => sub {
1843	my ($pl) = @_;
1844
1845	# abort map switching before logout
1846	if ($pl->ob->{_link_pos}) {
1847	cf::sync_job {
1848	$pl->ob->leave_link
1849	};
1850	}
1851	},
1852	on_login => sub {
1853	my ($pl) = @_;
1854
1855	# try to abort aborted map switching on player login :)
1856	# should happen only on crashes
1857	if ($pl->ob->{_link_pos}) {
1858	$pl->ob->enter_link;
1859	(async {
1860	$pl->ob->reply (undef,
1861	"There was an internal problem at your last logout, "
1862	. "the server will try to bring you to your intended destination in a second.",
1863	cf::NDI_RED);
1864	# we need this sleep as the login has a concurrent enter_exit running
1865	# and this sleep increases chances of the player not ending up in scorn
1866	Coro::Timer::sleep 1;
1867	$pl->ob->leave_link;
1868	})->prio (2);
1869	}
1870	},
1871	);
1872
1873	=item $player_object->goto ($path, $x, $y)	2018	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1874		2019
		2020	Moves the player to the given map-path and coordinates by first freezing
		2021	her, loading and preparing them map, calling the provided $check callback
		2022	that has to return the map if sucecssful, and then unfreezes the player on
		2023	the new (success) or old (failed) map position.
		2024
1875	=cut	2025	=cut
		2026
		2027	our $GOTOGEN;
1876		2028
1877	sub cf::object::player::goto {	2029	sub cf::object::player::goto {
1878	my ($self, $path, $x, $y) = @_;	2030	my ($self, $path, $x, $y, $check) = @_;
		2031
		2032	# do generation counting so two concurrent goto's will be executed in-order
		2033	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1879		2034
1880	$self->enter_link;	2035	$self->enter_link;
1881		2036
1882	(async {	2037	(async {
1883	my $map = eval {	2038	my $map = eval {
1884	my $map = cf::map::find $path;	2039	my $map = cf::map::find $path;
		2040
		2041	if ($map) {
1885	$map = $map->customise_for ($self) if $map;	2042	$map = $map->customise_for ($self);
		2043	$map = $check->($map) if $check && $map;
		2044	} else {
		2045	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2046	}
		2047
1886	$map	2048	$map
		2049	};
		2050
		2051	if ($@) {
		2052	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2053	LOG llevError | logBacktrace, Carp::longmess $@;
1887	} or	2054	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		2055
		2056	if ($gen == $self->{_goto_generation}) {
		2057	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	2058	$self->leave_link ($map, $x, $y);
		2059	}
1891	})->prio (1);	2060	})->prio (1);
1892	}	2061	}
1893		2062
1894	=item $player_object->enter_exit ($exit_object)	2063	=item $player_object->enter_exit ($exit_object)
1895		2064
…		…
1934		2103
1935	$rmp->{random_seed} ||= $exit->random_seed;	2104	$rmp->{random_seed} ||= $exit->random_seed;
1936		2105
1937	my $data = cf::to_json $rmp;	2106	my $data = cf::to_json $rmp;
1938	my $md5 = Digest::MD5::md5_hex $data;	2107	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2108	my $meta = "$RANDOMDIR/$md5.meta";
1940		2109
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2110	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2111	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2112	undef $fh;
1944	aio_rename "$meta~", $meta;	2113	aio_rename "$meta~", $meta;
…		…
1953		2122
1954	return unless $self->type == cf::PLAYER;	2123	return unless $self->type == cf::PLAYER;
1955		2124
1956	if ($exit->slaying eq "/!") {	2125	if ($exit->slaying eq "/!") {
1957	#TODO: this should de-fi-ni-te-ly not be a sync-job	2126	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2127	# the problem is that $exit might not survive long enough
		2128	# so it needs to be done right now, right here
1958	cf::sync_job { prepare_random_map $exit };	2129	cf::sync_job { prepare_random_map $exit };
1959	}	2130	}
1960		2131
1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2132	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1962	my $hp = $exit->stats->hp;	2133	my $hp = $exit->stats->hp;
…		…
1970	$self->goto ($slaying, $hp, $sp);	2141	$self->goto ($slaying, $hp, $sp);
1971		2142
1972	1;	2143	1;
1973	}) {	2144	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	2145	$self->message ("Something went wrong deep within the crossfire server. "
1975	. "I'll try to bring you back to the map you were before. "	2146	. "I'll try to bring you back to the map you were before. "
1976	. "Please report this to the dungeon master!",	2147	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	2148	cf::NDI_UNIQUE | cf::NDI_RED);
1978		2149
1979	warn "ERROR in enter_exit: $@";	2150	warn "ERROR in enter_exit: $@";
1980	$self->leave_link;	2151	$self->leave_link;
1981	}	2152	}
1982	})->prio (1);	2153	})->prio (1);
…		…
1998		2169
1999	utf8::encode $text;	2170	utf8::encode $text;
2000	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2171	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001	}	2172	}
2002		2173
		2174	=item $client->ext_event ($type, %msg)
		2175
		2176	Sends an exti event to the client.
		2177
		2178	=cut
		2179
		2180	sub cf::client::ext_event($$%) {
		2181	my ($self, $type, %msg) = @_;
		2182
		2183	$msg{msgtype} = "event_$type";
		2184	$self->send_packet ("ext " . cf::to_json \%msg);
		2185	}
2003		2186
2004	=item $success = $client->query ($flags, "text", \&cb)	2187	=item $success = $client->query ($flags, "text", \&cb)
2005		2188
2006	Queues a query to the client, calling the given callback with	2189	Queues a query to the client, calling the given callback with
2007	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2190	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
2199	#############################################################################	2382	#############################################################################
2200		2383
2201	=head2 EXTENSION DATABASE SUPPORT	2384	=head2 EXTENSION DATABASE SUPPORT
2202		2385
2203	Crossfire maintains a very simple database for extension use. It can	2386	Crossfire maintains a very simple database for extension use. It can
2204	currently store anything that can be serialised using Storable, which	2387	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2205	excludes objects.	2388	convert to/from binary).
2206		2389
2207	The parameter C<$family> should best start with the name of the extension	2390	The parameter C<$family> should best start with the name of the extension
2208	using it, it should be unique.	2391	using it, it should be unique.
2209		2392
2210	=over 4	2393	=over 4
…		…
2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;	2416	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234	cf::cleanup "db_open(db): $!" if $!;	2417	cf::cleanup "db_open(db): $!" if $!;
2235	};	2418	};
2236	cf::cleanup "db_open(db): $@" if $@;	2419	cf::cleanup "db_open(db): $@" if $@;
2237	};	2420	};
2238
2239	my $path = cf::localdir . "/database.pst";
2240	if (stat $path) {
2241	cf::sync_job {
2242	my $pst = Storable::retrieve $path;
2243
2244	cf::db_put (board => data => $pst->{board});
2245	cf::db_put (guildrules => data => $pst->{guildrules});
2246	cf::db_put (rent => balance => $pst->{rent}{balance});
2247	BDB::db_env_txn_checkpoint $DB_ENV;
2248
2249	unlink $path;
2250	};
2251	}
2252	}	2421	}
2253	}	2422	}
2254		2423
2255	sub db_get($$) {	2424	sub db_get($$) {
2256	my $key = "$_[0]/$_[1]";	2425	my $key = "$_[0]/$_[1]";
2257		2426
2258	cf::sync_job {	2427	cf::sync_job {
2259	BDB::db_get $DB, undef, $key, my $data;	2428	BDB::db_get $DB, undef, $key, my $data;
2260		2429
2261	$! ? ()	2430	$! ? ()
2262	: Compress::LZF::sthaw $data	2431	: $data
2263	}	2432	}
2264	}	2433	}
2265		2434
2266	sub db_put($$$) {	2435	sub db_put($$$) {
2267	BDB::dbreq_pri 4;	2436	BDB::dbreq_pri 4;
2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };	2437	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		2438	}
		2439
		2440	=item cf::cache $id => [$paths...], $processversion => $process
		2441
		2442	Generic caching function that returns the value of the resource $id,
		2443	caching and regenerating as required.
		2444
		2445	This function can block.
		2446
		2447	=cut
		2448
		2449	sub cache {
		2450	my ($id, $src, $processversion, $process) = @_;
		2451
		2452	my $meta =
		2453	join "\x00",
		2454	$processversion,
		2455	map {
		2456	aio_stat $_
		2457	and Carp::croak "$_: $!";
		2458
		2459	($_, (stat _)[7,9])
		2460	} @$src;
		2461
		2462	my $dbmeta = db_get cache => "$id/meta";
		2463	if ($dbmeta ne $meta) {
		2464	# changed, we may need to process
		2465
		2466	my @data;
		2467	my $md5;
		2468
		2469	for (0 .. $#$src) {
		2470	0 <= aio_load $src->[$_], $data[$_]
		2471	or Carp::croak "$src->[$_]: $!";
		2472	}
		2473
		2474	# if processing is expensive, check
		2475	# checksum first
		2476	if (1) {
		2477	$md5 =
		2478	join "\x00",
		2479	$processversion,
		2480	map {
		2481	Coro::cede;
		2482	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2483	} 0.. $#$src;
		2484
		2485
		2486	my $dbmd5 = db_get cache => "$id/md5";
		2487	if ($dbmd5 eq $md5) {
		2488	db_put cache => "$id/meta", $meta;
		2489
		2490	return db_get cache => "$id/data";
		2491	}
		2492	}
		2493
		2494	my $t1 = Time::HiRes::time;
		2495	my $data = $process->(\@data);
		2496	my $t2 = Time::HiRes::time;
		2497
		2498	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2499
		2500	db_put cache => "$id/data", $data;
		2501	db_put cache => "$id/md5" , $md5;
		2502	db_put cache => "$id/meta", $meta;
		2503
		2504	return $data;
		2505	}
		2506
		2507	db_get cache => "$id/data"
		2508	}
		2509
		2510	=item fork_call { }, $args
		2511
		2512	Executes the given code block with the given arguments in a seperate
		2513	process, returning the results. Everything must be serialisable with
		2514	Coro::Storable. May, of course, block. Note that the executed sub may
		2515	never block itself or use any form of Event handling.
		2516
		2517	=cut
		2518
		2519	sub fork_call(&@) {
		2520	my ($cb, @args) = @_;
		2521
		2522	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2523	# or die "socketpair: $!";
		2524	pipe my $fh1, my $fh2
		2525	or die "pipe: $!";
		2526
		2527	if (my $pid = fork) {
		2528	close $fh2;
		2529
		2530	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2531	$res = Coro::Storable::thaw $res;
		2532
		2533	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2534
		2535	die $$res unless "ARRAY" eq ref $res;
		2536
		2537	return wantarray ? @$res : $res->[-1];
		2538	} else {
		2539	reset_signals;
		2540	local $SIG{__WARN__};
		2541	local $SIG{__DIE__};
		2542	eval {
		2543	close $fh1;
		2544
		2545	my @res = eval { $cb->(@args) };
		2546	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2547	};
		2548
		2549	warn $@ if $@;
		2550	_exit 0;
		2551	}
2269	}	2552	}
2270		2553
2271	#############################################################################	2554	#############################################################################
2272	# the server's init and main functions	2555	# the server's init and main functions
2273		2556
2274	sub load_facedata {	2557	sub load_facedata($) {
2275	my $path = sprintf "%s/facedata", cf::datadir;	2558	my ($path) = @_;
2276		2559
2277	warn "loading facedata from $path\n";	2560	warn "loading facedata from $path\n";
2278		2561
2279	my $faces;	2562	my $facedata;
2280	0 < aio_load $path, $faces	2563	0 < aio_load $path, $facedata
2281	or die "$path: $!";	2564	or die "$path: $!";
2282		2565
2283	Coro::cede;
2284	$faces = Storable::thaw $faces;	2566	$facedata = Coro::Storable::thaw $facedata;
2285	Coro::cede;
2286		2567
2287	my $meta = delete $faces->{""};
2288	$meta->{version} == 1	2568	$facedata->{version} == 2
2289	or cf::cleanup "$path: version mismatch, cannot proceed.";	2569	or cf::cleanup "$path: version mismatch, cannot proceed.";
2290		2570
		2571	{
		2572	my $faces = $facedata->{faceinfo};
		2573
2291	while (my ($face, $info) = each %$faces) {	2574	while (my ($face, $info) = each %$faces) {
2292	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2575	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2293	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2576	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2294	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2577	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2295	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2578	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2296	Coro::cede;	2579	Coro::cede;
2297	}	2580	}
2298		2581
2299	while (my ($face, $info) = each %$faces) {	2582	while (my ($face, $info) = each %$faces) {
2300	next unless $info->{smooth};	2583	next unless $info->{smooth};
2301	my $idx = cf::face::find $face	2584	my $idx = cf::face::find $face
2302	or next;	2585	or next;
2303	if (my $smooth = cf::face::find $info->{smooth}) {	2586	if (my $smooth = cf::face::find $info->{smooth}) {
2304	cf::face::set_smooth $idx, $smooth;	2587	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2305	} else {	2588	} else {
2306	warn "smooth face '$info->{smooth}' not found for face '$face'";	2589	warn "smooth face '$info->{smooth}' not found for face '$face'";
2307	}	2590	}
2308	Coro::cede;	2591	Coro::cede;
		2592	}
		2593	}
		2594
		2595	{
		2596	my $anims = $facedata->{animinfo};
		2597
		2598	while (my ($anim, $info) = each %$anims) {
		2599	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2600	Coro::cede;
		2601	}
		2602
		2603	cf::anim::invalidate_all; # d'oh
2309	}	2604	}
2310		2605
2311	1	2606	1
2312	}	2607	}
2313		2608
		2609	sub reload_regions {
		2610	load_resource_file "$MAPDIR/regions"
		2611	or die "unable to load regions file\n";
		2612	}
		2613
		2614	sub reload_facedata {
		2615	load_facedata "$DATADIR/facedata"
		2616	or die "unable to load facedata\n";
		2617	}
		2618
		2619	sub reload_archetypes {
		2620	load_resource_file "$DATADIR/archetypes"
		2621	or die "unable to load archetypes\n";
		2622	}
		2623
		2624	sub reload_treasures {
		2625	load_resource_file "$DATADIR/treasures"
		2626	or die "unable to load treasurelists\n";
		2627	}
		2628
2314	sub reload_resources {	2629	sub reload_resources {
2315	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2630	warn "reloading resource files...\n";
2316	or die "unable to load regions file\n";#d#	2631
		2632	reload_regions;
2317	load_facedata	2633	reload_facedata;
2318	or die "unable to load facedata\n";#d#	2634	#reload_archetypes;#d#
		2635	reload_archetypes;
		2636	reload_treasures;
		2637
		2638	warn "finished reloading resource files\n";
2319	}	2639	}
2320		2640
2321	sub init {	2641	sub init {
2322	reload_resources;	2642	reload_resources;
2323	}	2643	}
2324		2644
2325	sub cfg_load {	2645	sub cfg_load {
2326	open my $fh, "<:utf8", cf::confdir . "/config"	2646	open my $fh, "<:utf8", "$CONFDIR/config"
2327	or return;	2647	or return;
2328		2648
2329	local $/;	2649	local $/;
2330	*CFG = YAML::Syck::Load <$fh>;	2650	*CFG = YAML::Syck::Load <$fh>;
2331		2651
…		…
2416		2736
2417	warn Carp::longmess "post_cleanup backtrace"	2737	warn Carp::longmess "post_cleanup backtrace"
2418	if $make_core;	2738	if $make_core;
2419	}	2739	}
2420		2740
2421	sub reload() {	2741	sub do_reload_perl() {
2422	# can/must only be called in main	2742	# can/must only be called in main
2423	if ($Coro::current != $Coro::main) {	2743	if ($Coro::current != $Coro::main) {
2424	warn "can only reload from main coroutine";	2744	warn "can only reload from main coroutine";
2425	return;	2745	return;
2426	}	2746	}
…		…
2501	Symbol::delete_package "safe::$_"	2821	Symbol::delete_package "safe::$_"
2502	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2822	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2503		2823
2504	warn "unloading cf.pm \"a bit\"";	2824	warn "unloading cf.pm \"a bit\"";
2505	delete $INC{"cf.pm"};	2825	delete $INC{"cf.pm"};
		2826	delete $INC{"cf/pod.pm"};
2506		2827
2507	# don't, removes xs symbols, too,	2828	# don't, removes xs symbols, too,
2508	# and global variables created in xs	2829	# and global variables created in xs
2509	#Symbol::delete_package __PACKAGE__;	2830	#Symbol::delete_package __PACKAGE__;
2510		2831
…		…
2525	warn "reattaching attachments to maps";	2846	warn "reattaching attachments to maps";
2526	reattach $_ for values %MAP;	2847	reattach $_ for values %MAP;
2527	warn "reattaching attachments to players";	2848	warn "reattaching attachments to players";
2528	reattach $_ for values %PLAYER;	2849	reattach $_ for values %PLAYER;
2529		2850
2530	warn "loading reloadable resources";
2531	reload_resources;
2532
2533	warn "leaving sync_job";	2851	warn "leaving sync_job";
2534		2852
2535	1	2853	1
2536	} or do {	2854	} or do {
2537	warn $@;	2855	warn $@;
…		…
2542	warn "reloaded";	2860	warn "reloaded";
2543	};	2861	};
2544		2862
2545	our $RELOAD_WATCHER; # used only during reload	2863	our $RELOAD_WATCHER; # used only during reload
2546		2864
		2865	sub reload_perl() {
		2866	# doing reload synchronously and two reloads happen back-to-back,
		2867	# coro crashes during coro_state_free->destroy here.
		2868
		2869	$RELOAD_WATCHER ||= Event->timer (
		2870	reentrant => 0,
		2871	after => 0,
		2872	data => WF_AUTOCANCEL,
		2873	cb => sub {
		2874	do_reload_perl;
		2875	undef $RELOAD_WATCHER;
		2876	},
		2877	);
		2878	}
		2879
2547	register_command "reload" => sub {	2880	register_command "reload" => sub {
2548	my ($who, $arg) = @_;	2881	my ($who, $arg) = @_;
2549		2882
2550	if ($who->flag (FLAG_WIZ)) {	2883	if ($who->flag (FLAG_WIZ)) {
2551	$who->message ("reloading server.");	2884	$who->message ("reloading server.");
2552		2885	async { reload_perl };
2553	# doing reload synchronously and two reloads happen back-to-back,
2554	# coro crashes during coro_state_free->destroy here.
2555
2556	$RELOAD_WATCHER ||= Event->timer (
2557	reentrant => 0,
2558	after => 0,
2559	data => WF_AUTOCANCEL,
2560	cb => sub {
2561	reload;
2562	undef $RELOAD_WATCHER;
2563	},
2564	);
2565	}	2886	}
2566	};	2887	};
2567		2888
2568	unshift @INC, $LIBDIR;	2889	unshift @INC, $LIBDIR;
2569		2890
2570	my $bug_warning = 0;	2891	my $bug_warning = 0;
2571		2892
		2893	our @WAIT_FOR_TICK;
		2894	our @WAIT_FOR_TICK_BEGIN;
		2895
		2896	sub wait_for_tick {
		2897	return unless $TICK_WATCHER->is_active;
		2898	return if $Coro::current == $Coro::main;
		2899
		2900	my $signal = new Coro::Signal;
		2901	push @WAIT_FOR_TICK, $signal;
		2902	$signal->wait;
		2903	}
		2904
		2905	sub wait_for_tick_begin {
		2906	return unless $TICK_WATCHER->is_active;
		2907	return if $Coro::current == $Coro::main;
		2908
		2909	my $signal = new Coro::Signal;
		2910	push @WAIT_FOR_TICK_BEGIN, $signal;
		2911	$signal->wait;
		2912	}
		2913
		2914	my $min = 1e6;#d#
		2915	my $avg = 10;
2572	$TICK_WATCHER = Event->timer (	2916	$TICK_WATCHER = Event->timer (
2573	reentrant => 0,	2917	reentrant => 0,
2574	parked => 1,	2918	parked => 1,
2575	prio => 0,	2919	prio => 0,
2576	at => $NEXT_TICK || $TICK,	2920	at => $NEXT_TICK || $TICK,
…		…
2580	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	2924	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2581	unless ++$bug_warning > 10;	2925	unless ++$bug_warning > 10;
2582	return;	2926	return;
2583	}	2927	}
2584		2928
2585	$NOW = Event::time;	2929	$NOW = $tick_start = Event::time;
2586		2930
2587	cf::server_tick; # one server iteration	2931	cf::server_tick; # one server iteration
		2932
		2933	0 && sync_job {#d#
		2934	for(1..10) {
		2935	my $t = Event::time;
		2936	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		2937	or die;
		2938
		2939	$map->width (50);
		2940	$map->height (50);
		2941	$map->alloc;
		2942	$map->_load_objects ("/tmp/x.map", 1);
		2943	my $t = Event::time - $t;
		2944
		2945	#next unless $t < 0.0013;#d#
		2946	if ($t < $min) {
		2947	$min = $t;
		2948	}
		2949	$avg = $avg * 0.99 + $t * 0.01;
		2950	}
		2951	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		2952	exit 0;
		2953	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		2954	};
		2955
2588	$RUNTIME += $TICK;	2956	$RUNTIME += $TICK;
2589	$NEXT_TICK += $TICK;	2957	$NEXT_TICK += $TICK;
2590		2958
2591	if ($NOW >= $NEXT_RUNTIME_WRITE) {	2959	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2592	$NEXT_RUNTIME_WRITE = $NOW + 10;	2960	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2594	write_runtime	2962	write_runtime
2595	or warn "ERROR: unable to write runtime file: $!";	2963	or warn "ERROR: unable to write runtime file: $!";
2596	};	2964	};
2597	}	2965	}
2598		2966
2599	$WAIT_FOR_TICK->broadcast;
2600	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2601
2602	# my $AFTER = Event::time;	2967	# my $AFTER = Event::time;
2603	# warn $AFTER - $NOW;#d#	2968	# warn $AFTER - $NOW;#d#
2604		2969
		2970	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2971	$sig->send;
		2972	}
		2973	while (my $sig = shift @WAIT_FOR_TICK) {
		2974	$sig->send;
		2975	}
		2976
		2977	$NOW = Event::time;
		2978
2605	# if we are delayed by four ticks or more, skip them all	2979	# if we are delayed by four ticks or more, skip them all
2606	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2980	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2607		2981
2608	$TICK_WATCHER->at ($NEXT_TICK);	2982	$TICK_WATCHER->at ($NEXT_TICK);
2609	$TICK_WATCHER->start;	2983	$TICK_WATCHER->start;
		2984
		2985	$LOAD = ($NOW - $tick_start) / $TICK;
		2986	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		2987
		2988	_post_tick;
		2989
		2990
2610	},	2991	},
2611	);	2992	);
2612		2993
2613	{	2994	{
2614	BDB::max_poll_time $TICK * 0.1;	2995	BDB::max_poll_time $TICK * 0.1;
…		…
2642		3023
2643	cf::sync_job {	3024	cf::sync_job {
2644	eval {	3025	eval {
2645	BDB::db_env_open	3026	BDB::db_env_open
2646	$DB_ENV,	3027	$DB_ENV,
2647	$BDB_ENV_DIR,	3028	$BDBDIR,
2648	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3029	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2649	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3030	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2650	0666;	3031	0666;
2651		3032
2652	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3033	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2653		3034
2654	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3035	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2655	$DB_ENV->set_lk_detect;	3036	$DB_ENV->set_lk_detect;
2656	};	3037	};
2657		3038
…		…
2673	prio => 6,	3054	prio => 6,
2674	cb => \&IO::AIO::poll_cb,	3055	cb => \&IO::AIO::poll_cb,
2675	);	3056	);
2676	}	3057	}
2677		3058
		3059	my $_log_backtrace;
		3060
		3061	sub _log_backtrace {
		3062	my ($msg, @addr) = @_;
		3063
		3064	$msg =~ s/\n//;
		3065
		3066	# limit the # of concurrent backtraces
		3067	if ($_log_backtrace < 2) {
		3068	++$_log_backtrace;
		3069	async {
		3070	my @bt = fork_call {
		3071	@addr = map { sprintf "%x", $_ } @addr;
		3072	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3073	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3074	or die "addr2line: $!";
		3075
		3076	my @funcs;
		3077	my @res = <$fh>;
		3078	chomp for @res;
		3079	while (@res) {
		3080	my ($func, $line) = splice @res, 0, 2, ();
		3081	push @funcs, "[$func] $line";
		3082	}
		3083
		3084	@funcs
		3085	};
		3086
		3087	LOG llevInfo, "[ABT] $msg\n";
		3088	LOG llevInfo, "[ABT] $_\n" for @bt;
		3089	--$_log_backtrace;
		3090	};
		3091	} else {
		3092	LOG llevInfo, "[ABT] $msg\n";
		3093	LOG llevInfo, "[ABT] [suppressed]\n";
		3094	}
		3095	}
		3096
		3097	# load additional modules
		3098	use cf::pod;
		3099
2678	END { cf::emergency_save }	3100	END { cf::emergency_save }
2679		3101
2680	1	3102	1
2681		3103

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