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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.228 by root, Mon Mar 26 16:53:33 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~", $runtime
373	and return;	426	and return;
374		427
		428	warn "runtime file written.\n";
		429
375	1	430	1
		431	}
		432
		433	=item cf::datalog type => key => value, ...
		434
		435	Log a datalog packet of the given type with the given key-value pairs.
		436
		437	=cut
		438
		439	sub datalog($@) {
		440	my ($type, %kv) = @_;
		441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
376	}	442	}
377		443
378	=back	444	=back
379		445
380	=cut	446	=cut
…		…
560	$registry = $CB_TYPE[$object_type] ||= [];	626	$registry = $CB_TYPE[$object_type] ||= [];
561		627
562	} elsif ($type eq "subtype") {	628	} elsif ($type eq "subtype") {
563	defined $object_type or Carp::croak "subtype specified without type";	629	defined $object_type or Carp::croak "subtype specified without type";
564	my $object_subtype = shift @arg;	630	my $object_subtype = shift @arg;
565	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	631	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
566		632
567	} elsif ($type eq "package") {	633	} elsif ($type eq "package") {
568	my $pkg = shift @arg;	634	my $pkg = shift @arg;
569		635
570	while (my ($name, $id) = each %cb_id) {	636	while (my ($name, $id) = each %cb_id) {
…		…
599	_attach $registry, $klass, @attach;	665	_attach $registry, $klass, @attach;
600	}	666	}
601		667
602	$obj->{$name} = \%arg;	668	$obj->{$name} = \%arg;
603	} else {	669	} else {
604	warn "object uses attachment '$name' that is not available, postponing.\n";	670	warn "object uses attachment '$name' which is not available, postponing.\n";
605	}	671	}
606		672
607	$obj->{_attachment}{$name} = undef;	673	$obj->{_attachment}{$name} = undef;
608	}	674	}
609		675
…		…
611	if (ref $_[0]) {	677	if (ref $_[0]) {
612	_object_attach @_;	678	_object_attach @_;
613	} else {	679	} else {
614	_attach shift->_attach_registry, @_;	680	_attach shift->_attach_registry, @_;
615	}	681	}
		682	_recalc_want;
616	};	683	};
617		684
618	# all those should be optimised	685	# all those should be optimised
619	sub cf::attachable::detach {	686	sub cf::attachable::detach {
620	my ($obj, $name) = @_;	687	my ($obj, $name) = @_;
…		…
623	delete $obj->{_attachment}{$name};	690	delete $obj->{_attachment}{$name};
624	reattach ($obj);	691	reattach ($obj);
625	} else {	692	} else {
626	Carp::croak "cannot, currently, detach class attachments";	693	Carp::croak "cannot, currently, detach class attachments";
627	}	694	}
		695	_recalc_want;
628	};	696	};
629		697
630	sub cf::attachable::attached {	698	sub cf::attachable::attached {
631	my ($obj, $name) = @_;	699	my ($obj, $name) = @_;
632		700
…		…
805	or return;	873	or return;
806	$av = eval { (Storable::thaw $av)->{objs} };	874	$av = eval { (Storable::thaw $av)->{objs} };
807	}	875	}
808		876
809	warn sprintf "loading %s (%d)\n",	877	warn sprintf "loading %s (%d)\n",
810	$filename, length $data, scalar @{$av || []};#d#	878	$filename, length $data, scalar @{$av || []};
811	return ($data, $av);	879	return ($data, $av);
812	}	880	}
813		881
814	#############################################################################	882	#############################################################################
815	# command handling &c	883	# command handling &c
…		…
875		943
876	cf::override;	944	cf::override;
877	},	945	},
878	);	946	);
879		947
880	sub load_extension {
881	my ($path) = @_;
882
883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
884	my $base = $1;
885	my $pkg = $1;
886	$pkg =~ s/[^[:word:]]/_/g;
887	$pkg = "ext::$pkg";
888
889	warn "... loading '$path' into '$pkg'\n";
890
891	open my $fh, "<:utf8", $path
892	or die "$path: $!";
893
894	my $source =
895	"package $pkg; use strict; use utf8;\n"
896	. "#line 1 \"$path\"\n{\n"
897	. (do { local $/; <$fh> })
898	. "\n};\n1";
899
900	unless (eval $source) {
901	my $msg = $@ ? "$path: $@\n"
902	: "extension disabled.\n";
903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
904	warn $@;
905	warn "mandatory extension failed to load, exiting.\n";
906	exit 1;
907	}
908	die $@;
909	}
910
911	push @EXTS, $pkg;
912	}
913
914	sub load_extensions {	948	sub load_extensions {
		949	cf::sync_job {
		950	my %todo;
		951
915	for my $ext (<$LIBDIR/*.ext>) {	952	for my $path (<$LIBDIR/*.ext>) {
916	next unless -r $ext;	953	next unless -r $path;
917	eval {	954
918	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	$progress = 1;
919	1	1012	}
920	} or warn "$ext not loaded: $@";	1013
		1014	skip:
		1015	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1016	unless $progress;
		1017	}
921	}	1018	};
922	}	1019	}
923		1020
924	#############################################################################	1021	#############################################################################
925		1022
926	=head2 CORE EXTENSIONS	1023	=head2 CORE EXTENSIONS
…		…
942	Returns the given player object, loading it if necessary (might block).	1039	Returns the given player object, loading it if necessary (might block).
943		1040
944	=cut	1041	=cut
945		1042
946	sub playerdir($) {	1043	sub playerdir($) {
947	cf::localdir	1044	"$PLAYERDIR/"
948	. "/"
949	. cf::playerdir
950	. "/"
951	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1045	. (ref $_[0] ? $_[0]->ob->name : $_[0])
952	}	1046	}
953		1047
954	sub path($) {	1048	sub path($) {
955	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1049	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
956		1050
957	(playerdir $login) . "/$login.pl"	1051	(playerdir $login) . "/playerdata"
958	}	1052	}
959		1053
960	sub find_active($) {	1054	sub find_active($) {
961	$cf::PLAYER{$_[0]}	1055	$cf::PLAYER{$_[0]}
962	and $cf::PLAYER{$_[0]}->active	1056	and $cf::PLAYER{$_[0]}->active
…		…
975	my $login = $_[0];	1069	my $login = $_[0];
976		1070
977	my $guard = cf::lock_acquire "user_find:$login";	1071	my $guard = cf::lock_acquire "user_find:$login";
978		1072
979	$cf::PLAYER{$_[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
980	my $pl = load_pl path $login	1081	my $pl = load_pl path $login
981	or return;	1082	or return;
982	$cf::PLAYER{$login} = $pl	1083	$cf::PLAYER{$login} = $pl
983	}	1084	}
984	}	1085	}
…		…
1068	while and may block, so not sync_job-capable, ever.	1169	while and may block, so not sync_job-capable, ever.
1069		1170
1070	=cut	1171	=cut
1071		1172
1072	sub list_logins {	1173	sub list_logins {
1073	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1174	my $dirs = aio_readdir $PLAYERDIR
1074	or return [];	1175	or return [];
1075		1176
1076	my @logins;	1177	my @logins;
1077		1178
1078	for my $login (@$dirs) {	1179	for my $login (@$dirs) {
…		…
1113	}	1214	}
1114		1215
1115	\@paths	1216	\@paths
1116	}	1217	}
1117		1218
1118	=item $player->ext_reply ($msgid, $msgtype, %msg)	1219	=item $player->ext_reply ($msgid, %msg)
1119		1220
1120	Sends an ext reply to the player.	1221	Sends an ext reply to the player.
1121		1222
1122	=cut	1223	=cut
1123		1224
1124	sub ext_reply($$$%) {	1225	sub ext_reply($$%) {
1125	my ($self, $id, %msg) = @_;	1226	my ($self, $id, %msg) = @_;
1126		1227
1127	$msg{msgid} = $id;	1228	$msg{msgid} = $id;
1128		1229
1129	$self->send ("ext " . cf::to_json \%msg);	1230	$self->send ("ext " . cf::to_json \%msg);
1130	}	1231	}
1131		1232
1132	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	}
1133		1273
1134	=back	1274	=back
1135
1136		1275
1137	=head3 cf::map	1276	=head3 cf::map
1138		1277
1139	=over 4	1278	=over 4
1140		1279
…		…
1195	my ($self, $merge) = @_;	1334	my ($self, $merge) = @_;
1196		1335
1197	# we have to keep some variables in memory intact	1336	# we have to keep some variables in memory intact
1198	local $self->{path};	1337	local $self->{path};
1199	local $self->{load_path};	1338	local $self->{load_path};
1200	local $self->{deny_save};
1201	local $self->{deny_reset};
1202		1339
1203	$self->SUPER::thawer_merge ($merge);	1340	$self->SUPER::thawer_merge ($merge);
1204	}	1341	}
1205		1342
1206	sub normalise {	1343	sub normalise {
…		…
1278		1415
1279	# the original (read-only) location	1416	# the original (read-only) location
1280	sub load_path {	1417	sub load_path {
1281	my ($self) = @_;	1418	my ($self) = @_;
1282		1419
1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1420	"$MAPDIR/$self->{path}.map"
1284	}	1421	}
1285		1422
1286	# the temporary/swap location	1423	# the temporary/swap location
1287	sub save_path {	1424	sub save_path {
1288	my ($self) = @_;	1425	my ($self) = @_;
1289		1426
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1427	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1428	"$TMPDIR/$path.map"
1292	}	1429	}
1293		1430
1294	# the unique path, undef == no special unique path	1431	# the unique path, undef == no special unique path
1295	sub uniq_path {	1432	sub uniq_path {
1296	my ($self) = @_;	1433	my ($self) = @_;
1297		1434
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1435	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1436	"$UNIQUEDIR/$path"
1300	}	1437	}
1301		1438
1302	# and all this just because we cannot iterate over	1439	# and all this just because we cannot iterate over
1303	# all maps in C++...	1440	# all maps in C++...
1304	sub change_all_map_light {	1441	sub change_all_map_light {
1305	my ($change) = @_;	1442	my ($change) = @_;
1306		1443
1307	$_->change_map_light ($change)	1444	$_->change_map_light ($change)
1308	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;
1309	}	1454	}
1310		1455
1311	sub unlink_save {	1456	sub unlink_save {
1312	my ($self) = @_;	1457	my ($self) = @_;
1313		1458
…		…
1371	$self->load_header_orig	1516	$self->load_header_orig
1372	or return;	1517	or return;
1373	$self->prepare_orig;	1518	$self->prepare_orig;
1374	}	1519	}
1375		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
1376	1	1527	1
1377	}	1528	}
1378		1529
1379	sub find;	1530	sub find;
1380	sub find {	1531	sub find {
…		…
1392	$map->{last_save} = $cf::RUNTIME;	1543	$map->{last_save} = $cf::RUNTIME;
1393		1544
1394	$map->load_header	1545	$map->load_header
1395	or return;	1546	or return;
1396		1547
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1548	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1549	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1550	#$cf::WAIT_FOR_TICK->wait;
1400	$map->reset;	1551	$map->reset;
1401	undef $guard;	1552	undef $guard;
1402	return find $path;	1553	return find $path;
…		…
1413	my ($self) = @_;	1564	my ($self) = @_;
1414		1565
1415	local $self->{deny_reset} = 1; # loading can take a long time	1566	local $self->{deny_reset} = 1; # loading can take a long time
1416		1567
1417	my $path = $self->{path};	1568	my $path = $self->{path};
		1569
		1570	{
1418	my $guard = cf::lock_acquire "map_load:$path";	1571	my $guard = cf::lock_acquire "map_load:$path";
1419		1572
1420	return if $self->in_memory != cf::MAP_SWAPPED;	1573	return if $self->in_memory != cf::MAP_SWAPPED;
1421		1574
1422	$self->in_memory (cf::MAP_LOADING);	1575	$self->in_memory (cf::MAP_LOADING);
1423		1576
1424	$self->alloc;	1577	$self->alloc;
1425		1578
1426	$self->pre_load;	1579	$self->pre_load;
1427
1428	$self->_load_objects ($self->{load_path}, 1)
1429	or return;
1430
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1432	if delete $self->{load_original};
1433
1434	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {
1437	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);
1439	}
1440	}
1441
1442	Coro::cede;
1443
1444	# now do the right thing for maps
1445	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;	1580	Coro::cede;
1452	$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;
1453	$self->difficulty ($self->estimate_difficulty)	1599	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	1600	unless $self->difficulty;
1455	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;
1456	$self->activate;	1610	$self->activate;
		1611	}
		1612
		1613	$self->in_memory (cf::MAP_IN_MEMORY);
1457	}	1614	}
1458		1615
1459	$self->post_load;	1616	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	1617	}
1463		1618
1464	sub customise_for {	1619	sub customise_for {
1465	my ($self, $ob) = @_;	1620	my ($self, $ob) = @_;
1466		1621
1467	return find "~" . $ob->name . "/" . $self->{path}	1622	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	1623	if $self->per_player;
		1624
		1625	# return find "?party/" . $ob->name . "/" . $self->{path}
		1626	# if $self->per_party;
1469		1627
1470	$self	1628	$self
1471	}	1629	}
1472		1630
1473	# 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
…		…
1584		1742
1585	sub reset_at {	1743	sub reset_at {
1586	my ($self) = @_;	1744	my ($self) = @_;
1587		1745
1588	# TODO: safety, remove and allow resettable per-player maps	1746	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	1747	return 1e99 if $self->{deny_reset};
1591		1748
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1749	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	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;
1594		1751
…		…
1605	my ($self) = @_;	1762	my ($self) = @_;
1606		1763
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	1764	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		1765
1609	return if $self->players;	1766	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		1767
1612	warn "resetting map ", $self->path;#d#	1768	warn "resetting map ", $self->path;
1613		1769
1614	$self->in_memory (cf::MAP_SWAPPED);	1770	$self->in_memory (cf::MAP_SWAPPED);
1615		1771
1616	# need to save uniques path	1772	# need to save uniques path
1617	unless ($self->{deny_save}) {	1773	unless ($self->{deny_save}) {
…		…
1649	$cf::MAP{$self->path} = $self;	1805	$cf::MAP{$self->path} = $self;
1650		1806
1651	$self->reset; # polite request, might not happen	1807	$self->reset; # polite request, might not happen
1652	}	1808	}
1653		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
1654	=item cf::map::unique_maps	1846	=item cf::map::unique_maps
1655		1847
1656	Returns an arrayref of paths of all shared maps that have	1848	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	1849	instantiated unique items. May block.
1658		1850
1659	=cut	1851	=cut
1660		1852
1661	sub unique_maps() {	1853	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1854	[
1663	or return;	1855	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	1856	utf8::decode $_;
1669	next if /\.pst$/;	1857	/\.map$/
1670	next unless /^$PATH_SEP/o;	1858	? normalise $_
1671		1859	: ()
1672	push @paths, cf::map::normalise $_;	1860	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	1861	]
1674
1675	\@paths
1676	}	1862	}
1677		1863
1678	package cf;	1864	package cf;
1679		1865
1680	=back	1866	=back
…		…
1786	$self->deactivate_recursive;	1972	$self->deactivate_recursive;
1787		1973
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	1974	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		1975
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1976	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	1977	if $self->map && $self->map->{path} ne "{link}";
1792		1978
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	1979	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1794	}	1980	}
1795		1981
1796	sub cf::object::player::leave_link {	1982	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	1983	my ($self, $map, $x, $y) = @_;
		1984
		1985	return unless $self->contr->active;
1798		1986
1799	my $link_pos = delete $self->{_link_pos};	1987	my $link_pos = delete $self->{_link_pos};
1800		1988
1801	unless ($map) {	1989	unless ($map) {
1802	# restore original map position	1990	# restore original map position
…		…
1825		2013
1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2014	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2015	$self->enter_map ($map, $x, $y);
1828	}	2016	}
1829		2017
1830	cf::player->attach (
1831	on_logout => sub {
1832	my ($pl) = @_;
1833
1834	# abort map switching before logout
1835	if ($pl->ob->{_link_pos}) {
1836	cf::sync_job {
1837	$pl->ob->leave_link
1838	};
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843
1844	# try to abort aborted map switching on player login :)
1845	# should happen only on crashes
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	# we need this sleep as the login has a concurrent enter_exit running
1854	# and this sleep increases chances of the player not ending up in scorn
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861
1862	=item $player_object->goto ($path, $x, $y)	2018	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1863		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
1864	=cut	2025	=cut
		2026
		2027	our $GOTOGEN;
1865		2028
1866	sub cf::object::player::goto {	2029	sub cf::object::player::goto {
1867	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;
1868		2034
1869	$self->enter_link;	2035	$self->enter_link;
1870		2036
1871	(async {	2037	(async {
1872	my $map = eval {	2038	my $map = eval {
1873	my $map = cf::map::find $path;	2039	my $map = cf::map::find $path;
		2040
		2041	if ($map) {
1874	$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
1875	$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 $@;
1876	} or	2054	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2055
		2056	if ($gen == $self->{_goto_generation}) {
		2057	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2058	$self->leave_link ($map, $x, $y);
		2059	}
1880	})->prio (1);	2060	})->prio (1);
1881	}	2061	}
1882		2062
1883	=item $player_object->enter_exit ($exit_object)	2063	=item $player_object->enter_exit ($exit_object)
1884		2064
…		…
1923		2103
1924	$rmp->{random_seed} ||= $exit->random_seed;	2104	$rmp->{random_seed} ||= $exit->random_seed;
1925		2105
1926	my $data = cf::to_json $rmp;	2106	my $data = cf::to_json $rmp;
1927	my $md5 = Digest::MD5::md5_hex $data;	2107	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2108	my $meta = "$RANDOMDIR/$md5.meta";
1929		2109
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2110	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2111	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2112	undef $fh;
1933	aio_rename "$meta~", $meta;	2113	aio_rename "$meta~", $meta;
…		…
1942		2122
1943	return unless $self->type == cf::PLAYER;	2123	return unless $self->type == cf::PLAYER;
1944		2124
1945	if ($exit->slaying eq "/!") {	2125	if ($exit->slaying eq "/!") {
1946	#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
1947	cf::sync_job { prepare_random_map $exit };	2129	cf::sync_job { prepare_random_map $exit };
1948	}	2130	}
1949		2131
1950	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;
1951	my $hp = $exit->stats->hp;	2133	my $hp = $exit->stats->hp;
…		…
1959	$self->goto ($slaying, $hp, $sp);	2141	$self->goto ($slaying, $hp, $sp);
1960		2142
1961	1;	2143	1;
1962	}) {	2144	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2145	$self->message ("Something went wrong deep within the crossfire server. "
1964	. "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. "
1965	. "Please report this to the dungeon master!",	2147	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2148	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2149
1968	warn "ERROR in enter_exit: $@";	2150	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2151	$self->leave_link;
1970	}	2152	}
1971	})->prio (1);	2153	})->prio (1);
…		…
1987		2169
1988	utf8::encode $text;	2170	utf8::encode $text;
1989	$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);
1990	}	2172	}
1991		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	}
1992		2186
1993	=item $success = $client->query ($flags, "text", \&cb)	2187	=item $success = $client->query ($flags, "text", \&cb)
1994		2188
1995	Queues a query to the client, calling the given callback with	2189	Queues a query to the client, calling the given callback with
1996	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>,
…		…
2188	#############################################################################	2382	#############################################################################
2189		2383
2190	=head2 EXTENSION DATABASE SUPPORT	2384	=head2 EXTENSION DATABASE SUPPORT
2191		2385
2192	Crossfire maintains a very simple database for extension use. It can	2386	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which	2387	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2194	excludes objects.	2388	convert to/from binary).
2195		2389
2196	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
2197	using it, it should be unique.	2391	using it, it should be unique.
2198		2392
2199	=over 4	2393	=over 4
…		…
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;	2416	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;	2417	cf::cleanup "db_open(db): $!" if $!;
2224	};	2418	};
2225	cf::cleanup "db_open(db): $@" if $@;	2419	cf::cleanup "db_open(db): $@" if $@;
2226	};	2420	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}	2421	}
2242	}	2422	}
2243		2423
2244	sub db_get($$) {	2424	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";	2425	my $key = "$_[0]/$_[1]";
2246		2426
2247	cf::sync_job {	2427	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;	2428	BDB::db_get $DB, undef, $key, my $data;
2249		2429
2250	$! ? ()	2430	$! ? ()
2251	: Compress::LZF::sthaw $data	2431	: $data
2252	}	2432	}
2253	}	2433	}
2254		2434
2255	sub db_put($$$) {	2435	sub db_put($$$) {
2256	BDB::dbreq_pri 4;	2436	BDB::dbreq_pri 4;
2257	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	}
2258	}	2552	}
2259		2553
2260	#############################################################################	2554	#############################################################################
2261	# the server's init and main functions	2555	# the server's init and main functions
2262		2556
2263	sub load_faces {	2557	sub load_facedata($) {
2264	my $path = sprintf "%s/faces", cf::datadir;	2558	my ($path) = @_;
2265		2559
2266	warn "loading faces from $path\n";	2560	warn "loading facedata from $path\n";
2267		2561
2268	my $faces;	2562	my $facedata;
2269	0 < aio_load $path, $faces	2563	0 < aio_load $path, $facedata
2270	or die "$path: $!";	2564	or die "$path: $!";
2271		2565
2272	Coro::cede;
2273	$faces = Storable::thaw $faces;	2566	$facedata = Coro::Storable::thaw $facedata;
2274	Coro::cede;
2275		2567
2276	my $meta = delete $faces->{""};
2277	$meta->{version} == 1	2568	$facedata->{version} == 2
2278	or cf::cleanup "$path: version mismatch, cannot proceed.";	2569	or cf::cleanup "$path: version mismatch, cannot proceed.";
2279		2570
		2571	{
		2572	my $faces = $facedata->{faceinfo};
		2573
2280	while (my ($face, $info) = each %$faces) {	2574	while (my ($face, $info) = each %$faces) {
2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2575	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2576	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2577	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2578	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2284	Coro::cede;	2579	Coro::cede;
2285	}	2580	}
2286		2581
2287	while (my ($face, $info) = each %$faces) {	2582	while (my ($face, $info) = each %$faces) {
2288	next unless $info->{smooth};	2583	next unless $info->{smooth};
2289	my $idx = cf::face::find $face	2584	my $idx = cf::face::find $face
2290	or next;	2585	or next;
2291	if (my $smooth = cf::face::find $info->{smooth}) {	2586	if (my $smooth = cf::face::find $info->{smooth}) {
2292	cf::face::set_smooth $idx, $smooth;	2587	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2293	} else {	2588	} else {
2294	warn "smooth face '$info->{smooth}' not found for face '$face'";	2589	warn "smooth face '$info->{smooth}' not found for face '$face'";
2295	}	2590	}
2296	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
2297	}	2604	}
2298		2605
2299	1	2606	1
2300	}	2607	}
2301		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
2302	sub reload_resources {	2629	sub reload_resources {
2303	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2630	warn "reloading resource files...\n";
2304	or die "unable to load regions file\n";#d#	2631
		2632	reload_regions;
2305	load_faces	2633	reload_facedata;
2306	or die "unable to load faces\n";#d#	2634	#reload_archetypes;#d#
		2635	reload_archetypes;
		2636	reload_treasures;
		2637
		2638	warn "finished reloading resource files\n";
2307	}	2639	}
2308		2640
2309	sub init {	2641	sub init {
2310	reload_resources;	2642	reload_resources;
2311	}	2643	}
2312		2644
2313	sub cfg_load {	2645	sub cfg_load {
2314	open my $fh, "<:utf8", cf::confdir . "/config"	2646	open my $fh, "<:utf8", "$CONFDIR/config"
2315	or return;	2647	or return;
2316		2648
2317	local $/;	2649	local $/;
2318	*CFG = YAML::Syck::Load <$fh>;	2650	*CFG = YAML::Syck::Load <$fh>;
2319		2651
…		…
2404		2736
2405	warn Carp::longmess "post_cleanup backtrace"	2737	warn Carp::longmess "post_cleanup backtrace"
2406	if $make_core;	2738	if $make_core;
2407	}	2739	}
2408		2740
2409	sub reload() {	2741	sub do_reload_perl() {
2410	# can/must only be called in main	2742	# can/must only be called in main
2411	if ($Coro::current != $Coro::main) {	2743	if ($Coro::current != $Coro::main) {
2412	warn "can only reload from main coroutine";	2744	warn "can only reload from main coroutine";
2413	return;	2745	return;
2414	}	2746	}
…		…
2489	Symbol::delete_package "safe::$_"	2821	Symbol::delete_package "safe::$_"
2490	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);
2491		2823
2492	warn "unloading cf.pm \"a bit\"";	2824	warn "unloading cf.pm \"a bit\"";
2493	delete $INC{"cf.pm"};	2825	delete $INC{"cf.pm"};
		2826	delete $INC{"cf/pod.pm"};
2494		2827
2495	# don't, removes xs symbols, too,	2828	# don't, removes xs symbols, too,
2496	# and global variables created in xs	2829	# and global variables created in xs
2497	#Symbol::delete_package __PACKAGE__;	2830	#Symbol::delete_package __PACKAGE__;
2498		2831
…		…
2513	warn "reattaching attachments to maps";	2846	warn "reattaching attachments to maps";
2514	reattach $_ for values %MAP;	2847	reattach $_ for values %MAP;
2515	warn "reattaching attachments to players";	2848	warn "reattaching attachments to players";
2516	reattach $_ for values %PLAYER;	2849	reattach $_ for values %PLAYER;
2517		2850
2518	warn "loading reloadable resources";
2519	reload_resources;
2520
2521	warn "leaving sync_job";	2851	warn "leaving sync_job";
2522		2852
2523	1	2853	1
2524	} or do {	2854	} or do {
2525	warn $@;	2855	warn $@;
…		…
2530	warn "reloaded";	2860	warn "reloaded";
2531	};	2861	};
2532		2862
2533	our $RELOAD_WATCHER; # used only during reload	2863	our $RELOAD_WATCHER; # used only during reload
2534		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
2535	register_command "reload" => sub {	2880	register_command "reload" => sub {
2536	my ($who, $arg) = @_;	2881	my ($who, $arg) = @_;
2537		2882
2538	if ($who->flag (FLAG_WIZ)) {	2883	if ($who->flag (FLAG_WIZ)) {
2539	$who->message ("reloading server.");	2884	$who->message ("reloading server.");
2540		2885	async { reload_perl };
2541	# doing reload synchronously and two reloads happen back-to-back,
2542	# coro crashes during coro_state_free->destroy here.
2543
2544	$RELOAD_WATCHER ||= Event->timer (
2545	reentrant => 0,
2546	after => 0,
2547	data => WF_AUTOCANCEL,
2548	cb => sub {
2549	reload;
2550	undef $RELOAD_WATCHER;
2551	},
2552	);
2553	}	2886	}
2554	};	2887	};
2555		2888
2556	unshift @INC, $LIBDIR;	2889	unshift @INC, $LIBDIR;
2557		2890
2558	my $bug_warning = 0;	2891	my $bug_warning = 0;
2559		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;
2560	$TICK_WATCHER = Event->timer (	2916	$TICK_WATCHER = Event->timer (
2561	reentrant => 0,	2917	reentrant => 0,
2562	parked => 1,	2918	parked => 1,
2563	prio => 0,	2919	prio => 0,
2564	at => $NEXT_TICK || $TICK,	2920	at => $NEXT_TICK || $TICK,
…		…
2568	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"
2569	unless ++$bug_warning > 10;	2925	unless ++$bug_warning > 10;
2570	return;	2926	return;
2571	}	2927	}
2572		2928
2573	$NOW = Event::time;	2929	$NOW = $tick_start = Event::time;
2574		2930
2575	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
2576	$RUNTIME += $TICK;	2956	$RUNTIME += $TICK;
2577	$NEXT_TICK += $TICK;	2957	$NEXT_TICK += $TICK;
2578		2958
2579	if ($NOW >= $NEXT_RUNTIME_WRITE) {	2959	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2580	$NEXT_RUNTIME_WRITE = $NOW + 10;	2960	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2582	write_runtime	2962	write_runtime
2583	or warn "ERROR: unable to write runtime file: $!";	2963	or warn "ERROR: unable to write runtime file: $!";
2584	};	2964	};
2585	}	2965	}
2586		2966
2587	$WAIT_FOR_TICK->broadcast;
2588	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2589
2590	# my $AFTER = Event::time;	2967	# my $AFTER = Event::time;
2591	# warn $AFTER - $NOW;#d#	2968	# warn $AFTER - $NOW;#d#
2592		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
2593	# 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
2594	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2980	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2595		2981
2596	$TICK_WATCHER->at ($NEXT_TICK);	2982	$TICK_WATCHER->at ($NEXT_TICK);
2597	$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
2598	},	2991	},
2599	);	2992	);
2600		2993
2601	{	2994	{
2602	BDB::max_poll_time $TICK * 0.1;	2995	BDB::max_poll_time $TICK * 0.1;
…		…
2630		3023
2631	cf::sync_job {	3024	cf::sync_job {
2632	eval {	3025	eval {
2633	BDB::db_env_open	3026	BDB::db_env_open
2634	$DB_ENV,	3027	$DB_ENV,
2635	$BDB_ENV_DIR,	3028	$BDBDIR,
2636	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
2637	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3030	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2638	0666;	3031	0666;
2639		3032
2640	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3033	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2641		3034
2642	$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);
2643	$DB_ENV->set_lk_detect;	3036	$DB_ENV->set_lk_detect;
2644	};	3037	};
2645		3038
…		…
2661	prio => 6,	3054	prio => 6,
2662	cb => \&IO::AIO::poll_cb,	3055	cb => \&IO::AIO::poll_cb,
2663	);	3056	);
2664	}	3057	}
2665		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
2666	END { cf::emergency_save }	3100	END { cf::emergency_save }
2667		3101
2668	1	3102	1
2669		3103

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