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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.107 by root, Sun Dec 31 18:10:40 2006 UTC vs.
Revision 1.203 by root, Thu Feb 1 19:40:42 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3;	13	use Coro 3.5 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use Data::Dumper;
		21	use Digest::MD5;
20	use Fcntl;	22	use Fcntl;
21	use IO::AIO 2.31 ();	23	use IO::AIO 2.32 ();
22	use YAML::Syck ();	24	use YAML::Syck ();
23	use Time::HiRes;	25	use Time::HiRes;
24		26
25	use Event; $Event::Eval = 1; # no idea why this is required, but it is	27	use Event; $Event::Eval = 1; # no idea why this is required, but it is
26		28
		29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		30
27	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
28	$YAML::Syck::ImplicitUnicode = 1;	32	$YAML::Syck::ImplicitUnicode = 1;
29		33
30	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
31
32	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
33		35
34	our %COMMAND = ();	36	our %COMMAND = ();
35	our %COMMAND_TIME = ();	37	our %COMMAND_TIME = ();
		38
		39	our @EXTS = (); # list of extension package names
36	our %EXTCMD = ();	40	our %EXTCMD = ();
		41	our %EXT_CORO = (); # coroutines bound to extensions
		42	our %EXT_MAP = (); # pluggable maps
37		43
38	our @EVENT;	44	our @EVENT;
39	our $LIBDIR = datadir . "/ext";	45	our $LIBDIR = datadir . "/ext";
40		46
41	our $TICK = MAX_TIME * 1e-6;	47	our $TICK = MAX_TIME * 1e-6;
42	our $TICK_WATCHER;	48	our $TICK_WATCHER;
		49	our $AIO_POLL_WATCHER;
		50	our $WRITE_RUNTIME_WATCHER;
43	our $NEXT_TICK;	51	our $NEXT_TICK;
44	our $NOW;	52	our $NOW;
45		53
46	our %CFG;	54	our %CFG;
47		55
48	our $UPTIME; $UPTIME ||= time;	56	our $UPTIME; $UPTIME ||= time;
49	our $RUNTIME;	57	our $RUNTIME;
50		58
		59	our %PLAYER; # all users
51	our %MAP; # all maps	60	our %MAP; # all maps
52	our $LINK_MAP; # the special {link} map	61	our $LINK_MAP; # the special {link} map, which is always available
53	our $FREEZE;	62	our $RANDOM_MAPS = cf::localdir . "/random";
		63
		64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		66
		67	# used to convert map paths into valid unix filenames by replacing / by ∕
		68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
54		69
55	binmode STDOUT;	70	binmode STDOUT;
56	binmode STDERR;	71	binmode STDERR;
57		72
58	# read virtual server time, if available	73	# read virtual server time, if available
…		…
64		79
65	mkdir cf::localdir;	80	mkdir cf::localdir;
66	mkdir cf::localdir . "/" . cf::playerdir;	81	mkdir cf::localdir . "/" . cf::playerdir;
67	mkdir cf::localdir . "/" . cf::tmpdir;	82	mkdir cf::localdir . "/" . cf::tmpdir;
68	mkdir cf::localdir . "/" . cf::uniquedir;	83	mkdir cf::localdir . "/" . cf::uniquedir;
		84	mkdir $RANDOM_MAPS;
69		85
70	our %EXT_CORO;	86	our $EMERGENCY_POSITION;
		87
		88	sub cf::map::normalise;
71		89
72	#############################################################################	90	#############################################################################
73		91
74	=head2 GLOBAL VARIABLES	92	=head2 GLOBAL VARIABLES
75		93
…		…
99		117
100	=item %cf::CFG	118	=item %cf::CFG
101		119
102	Configuration for the server, loaded from C</etc/crossfire/config>, or	120	Configuration for the server, loaded from C</etc/crossfire/config>, or
103	from wherever your confdir points to.	121	from wherever your confdir points to.
		122
		123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		124
		125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		127	processing has been done. Call C<< ->wait >> on them to maximise the
		128	window of cpu time available, or simply to synchronise to the server tick.
104		129
105	=back	130	=back
106		131
107	=cut	132	=cut
108		133
…		…
112	utf8::encode $msg;	137	utf8::encode $msg;
113		138
114	$msg .= "\n"	139	$msg .= "\n"
115	unless $msg =~ /\n$/;	140	unless $msg =~ /\n$/;
116		141
117	LOG llevError, "cfperl: $msg";	142	LOG llevError, $msg;
118	};	143	};
119	}	144	}
120		145
121	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
122	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
140		165
141	$Event::DIED = sub {	166	$Event::DIED = sub {
142	warn "error in event callback: @_";	167	warn "error in event callback: @_";
143	};	168	};
144		169
145	my %ext_pkg;
146	my @exts;
147	my @hook;
148
149	=head2 UTILITY FUNCTIONS	170	=head2 UTILITY FUNCTIONS
150		171
151	=over 4	172	=over 4
152		173
		174	=item dumpval $ref
		175
153	=cut	176	=cut
		177
		178	sub dumpval {
		179	eval {
		180	local $SIG{__DIE__};
		181	my $d;
		182	if (1) {
		183	$d = new Data::Dumper([$_[0]], ["*var"]);
		184	$d->Terse(1);
		185	$d->Indent(2);
		186	$d->Quotekeys(0);
		187	$d->Useqq(1);
		188	#$d->Bless(...);
		189	$d->Seen($_[1]) if @_ > 1;
		190	$d = $d->Dump();
		191	}
		192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		193	$d
		194	} || "[unable to dump $_[0]: '$@']";
		195	}
154		196
155	use JSON::Syck (); # TODO# replace by JSON::PC once working	197	use JSON::Syck (); # TODO# replace by JSON::PC once working
156		198
157	=item $ref = cf::from_json $json	199	=item $ref = cf::from_json $json
158		200
…		…
173		215
174	sub to_json($) {	216	sub to_json($) {
175	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
176	JSON::Syck::Dump $_[0]	218	JSON::Syck::Dump $_[0]
177	}	219	}
		220
		221	=item cf::lock_wait $string
		222
		223	Wait until the given lock is available. See cf::lock_acquire.
		224
		225	=item my $lock = cf::lock_acquire $string
		226
		227	Wait until the given lock is available and then acquires it and returns
		228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		229	for example when the coroutine gets canceled), the lock is automatically
		230	returned.
		231
		232	Lock names should begin with a unique identifier (for example, cf::map::find
		233	uses map_find and cf::map::load uses map_load).
		234
		235	=cut
		236
		237	our %LOCK;
		238
		239	sub lock_wait($) {
		240	my ($key) = @_;
		241
		242	# wait for lock, if any
		243	while ($LOCK{$key}) {
		244	push @{ $LOCK{$key} }, $Coro::current;
		245	Coro::schedule;
		246	}
		247	}
		248
		249	sub lock_acquire($) {
		250	my ($key) = @_;
		251
		252	# wait, to be sure we are not locked
		253	lock_wait $key;
		254
		255	$LOCK{$key} = [];
		256
		257	Coro::guard {
		258	# wake up all waiters, to be on the safe side
		259	$_->ready for @{ delete $LOCK{$key} };
		260	}
		261	}
		262
		263	sub freeze_mainloop {
		264	return unless $TICK_WATCHER->is_active;
		265
		266	my $guard = Coro::guard {
		267	$TICK_WATCHER->start;
		268	$WRITE_RUNTIME_WATCHER->start;
		269	};
		270	$WRITE_RUNTIME_WATCHER->stop;
		271	$TICK_WATCHER->stop;
		272	$guard
		273	}
		274
		275	=item cf::async { BLOCK }
		276
		277	Currently the same as Coro::async_pool, meaning you cannot use
		278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		279	thing you are allowed to do is call C<prio> on it.
		280
		281	=cut
		282
		283	BEGIN { *async = \&Coro::async_pool }
178		284
179	=item cf::sync_job { BLOCK }	285	=item cf::sync_job { BLOCK }
180		286
181	The design of crossfire+ requires that the main coro ($Coro::main) is	287	The design of crossfire+ requires that the main coro ($Coro::main) is
182	always able to handle events or runnable, as crossfire+ is only partly	288	always able to handle events or runnable, as crossfire+ is only partly
…		…
190	=cut	296	=cut
191		297
192	sub sync_job(&) {	298	sub sync_job(&) {
193	my ($job) = @_;	299	my ($job) = @_;
194		300
195	my $busy = 1;
196	my @res;
197
198	# TODO: use suspend/resume instead
199	local $FREEZE = 1;
200
201	my $coro = Coro::async {
202	@res = eval { $job->() };
203	warn $@ if $@;
204	undef $busy;
205	};
206
207	if ($Coro::current == $Coro::main) {	301	if ($Coro::current == $Coro::main) {
		302	# this is the main coro, too bad, we have to block
		303	# till the operation succeeds, freezing the server :/
		304
		305	# TODO: use suspend/resume instead
		306	# (but this is cancel-safe)
		307	my $freeze_guard = freeze_mainloop;
		308
		309	my $busy = 1;
		310	my @res;
		311
		312	(async {
		313	@res = eval { $job->() };
		314	warn $@ if $@;
		315	undef $busy;
208	$coro->prio (Coro::PRIO_MAX);	316	})->prio (Coro::PRIO_MAX);
		317
209	while ($busy) {	318	while ($busy) {
210	Coro::cede_notself;	319	Coro::cede or Event::one_event;
211	Event::one_event unless Coro::nready;
212	}	320	}
		321
		322	wantarray ? @res : $res[0]
213	} else {	323	} else {
214	$coro->join;	324	# we are in another coroutine, how wonderful, everything just works
		325
		326	$job->()
215	}	327	}
216
217	wantarray ? @res : $res[0]
218	}	328	}
219		329
220	=item $coro = cf::coro { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
221		331
222	Creates and returns a new coro. This coro is automcatially being canceled	332	Like async, but this coro is automatically being canceled when the
223	when the extension calling this is being unloaded.	333	extension calling this is being unloaded.
224		334
225	=cut	335	=cut
226		336
227	sub coro(&) {	337	sub async_ext(&) {
228	my $cb = shift;	338	my $cb = shift;
229		339
230	my $coro; $coro = async {	340	my $coro = &Coro::async ($cb);
231	eval {
232	$cb->();
233	};
234	warn $@ if $@;
235	};
236		341
237	$coro->on_destroy (sub {	342	$coro->on_destroy (sub {
238	delete $EXT_CORO{$coro+0};	343	delete $EXT_CORO{$coro+0};
239	});	344	});
240	$EXT_CORO{$coro+0} = $coro;	345	$EXT_CORO{$coro+0} = $coro;
241		346
242	$coro	347	$coro
		348	}
		349
		350	sub write_runtime {
		351	my $runtime = cf::localdir . "/runtime";
		352
		353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		354	or return;
		355
		356	my $value = $cf::RUNTIME + 90 + 10;
		357	# 10 is the runtime save interval, for a monotonic clock
		358	# 60 allows for the watchdog to kill the server.
		359
		360	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		361	and return;
		362
		363	aio_fsync $fh
		364	and return;
		365
		366	close $fh
		367	or return;
		368
		369	aio_rename "$runtime~", $runtime
		370	and return;
		371
		372	1
243	}	373	}
244		374
245	=back	375	=back
246		376
247	=cut	377	=cut
…		…
378	our @CB_TYPE = (); # registry for type (cf-object class) based events	508	our @CB_TYPE = (); # registry for type (cf-object class) based events
379	our @CB_MAP = ();	509	our @CB_MAP = ();
380		510
381	my %attachment;	511	my %attachment;
382		512
		513	sub cf::attachable::thawer_merge {
		514	# simply override everything except _meta
		515	local $_[0]{_meta};
		516	%{$_[0]} = %{$_[1]};
		517	}
		518
383	sub _attach_cb($$$$) {	519	sub _attach_cb($$$$) {
384	my ($registry, $event, $prio, $cb) = @_;	520	my ($registry, $event, $prio, $cb) = @_;
385		521
386	use sort 'stable';	522	use sort 'stable';
387		523
…		…
558	# object support	694	# object support
559		695
560	sub reattach {	696	sub reattach {
561	# basically do the same as instantiate, without calling instantiate	697	# basically do the same as instantiate, without calling instantiate
562	my ($obj) = @_;	698	my ($obj) = @_;
		699
		700	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
563		701
564	my $registry = $obj->registry;	702	my $registry = $obj->registry;
565		703
566	@$registry = ();	704	@$registry = ();
567		705
…		…
638	}	776	}
639	} else {	777	} else {
640	aio_unlink $filename;	778	aio_unlink $filename;
641	aio_unlink "$filename.pst";	779	aio_unlink "$filename.pst";
642	}	780	}
		781
		782	#d##TODO# nuke non .map-files if exist
		783	if ($filename =~ s/\.map$//) {
		784	aio_unlink $filename;
		785	aio_unlink "$filename.pst";
		786	}
643	}	787	}
644	}	788	}
645		789
646	sub object_freezer_as_string {	790	sub object_freezer_as_string {
647	my ($rdata, $objs) = @_;	791	my ($rdata, $objs) = @_;
…		…
653		797
654	sub object_thawer_load {	798	sub object_thawer_load {
655	my ($filename) = @_;	799	my ($filename) = @_;
656		800
657	my ($data, $av);	801	my ($data, $av);
		802
		803	#d#TODO remove .map if file does not exist
		804	aio_stat $filename and $filename =~ s/\.map$//;
658		805
659	(aio_load $filename, $data) >= 0	806	(aio_load $filename, $data) >= 0
660	or return;	807	or return;
661		808
662	unless (aio_stat "$filename.pst") {	809	unless (aio_stat "$filename.pst") {
663	(aio_load "$filename.pst", $av) >= 0	810	(aio_load "$filename.pst", $av) >= 0
664	or return;	811	or return;
665	$av = eval { (Storable::thaw <$av>)->{objs} };	812	$av = eval { (Storable::thaw $av)->{objs} };
666	}	813	}
667		814
		815	warn sprintf "loading %s (%d)\n",
		816	$filename, length $data, scalar @{$av || []};#d#
668	return ($data, $av);	817	return ($data, $av);
669	}	818	}
670		819
671	#############################################################################	820	#############################################################################
672	# command handling &c	821	# command handling &c
…		…
697	=cut	846	=cut
698		847
699	sub register_extcmd {	848	sub register_extcmd {
700	my ($name, $cb) = @_;	849	my ($name, $cb) = @_;
701		850
702	my $caller = caller;
703	#warn "registering extcmd '$name' to '$caller'";
704
705	$EXTCMD{$name} = [$cb, $caller];	851	$EXTCMD{$name} = $cb;
706	}	852	}
707		853
708	cf::player->attach (	854	cf::player->attach (
709	on_command => sub {	855	on_command => sub {
710	my ($pl, $name, $params) = @_;	856	my ($pl, $name, $params) = @_;
…		…
723		869
724	my $msg = eval { from_json $buf };	870	my $msg = eval { from_json $buf };
725		871
726	if (ref $msg) {	872	if (ref $msg) {
727	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
728	if (my %reply = $cb->[0]->($pl, $msg)) {	874	if (my %reply = $cb->($pl, $msg)) {
729	$pl->ext_reply ($msg->{msgid}, %reply);	875	$pl->ext_reply ($msg->{msgid}, %reply);
730	}	876	}
731	}	877	}
732	} else {	878	} else {
733	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
735		881
736	cf::override;	882	cf::override;
737	},	883	},
738	);	884	);
739		885
740	sub register {
741	my ($base, $pkg) = @_;
742
743	#TODO
744	}
745
746	sub load_extension {	886	sub load_extension {
747	my ($path) = @_;	887	my ($path) = @_;
748		888
749	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
750	my $base = $1;	890	my $base = $1;
751	my $pkg = $1;	891	my $pkg = $1;
752	$pkg =~ s/[^[:word:]]/_/g;	892	$pkg =~ s/[^[:word:]]/_/g;
753	$pkg = "ext::$pkg";	893	$pkg = "ext::$pkg";
754		894
755	warn "loading '$path' into '$pkg'\n";	895	warn "... loading '$path' into '$pkg'\n";
756		896
757	open my $fh, "<:utf8", $path	897	open my $fh, "<:utf8", $path
758	or die "$path: $!";	898	or die "$path: $!";
759		899
760	my $source =	900	my $source =
761	"package $pkg; use strict; use utf8;\n"	901	"package $pkg; use strict; use utf8;\n"
762	. "#line 1 \"$path\"\n{\n"	902	. "#line 1 \"$path\"\n{\n"
763	. (do { local $/; <$fh> })	903	. (do { local $/; <$fh> })
764	. "\n};\n1";	904	. "\n};\n1";
765		905
766	eval $source	906	unless (eval $source) {
767	or die $@ ? "$path: $@\n"	907	my $msg = $@ ? "$path: $@\n"
768	: "extension disabled.\n";	908	: "extension disabled.\n";
769		909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
770	push @exts, $pkg;	910	warn $@;
771	$ext_pkg{$base} = $pkg;	911	warn "mandatory extension failed to load, exiting.\n";
772		912	exit 1;
773	# no strict 'refs';	913	}
774	# @{"$pkg\::ISA"} = ext::;	914	die $@;
775
776	register $base, $pkg;
777	}
778
779	sub unload_extension {
780	my ($pkg) = @_;
781
782	warn "removing extension $pkg\n";
783
784	# remove hooks
785	#TODO
786	# for my $idx (0 .. $#PLUGIN_EVENT) {
787	# delete $hook[$idx]{$pkg};
788	# }	915	}
789		916
790	# remove commands	917	push @EXTS, $pkg;
791	for my $name (keys %COMMAND) {
792	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
793
794	if (@cb) {
795	$COMMAND{$name} = \@cb;
796	} else {
797	delete $COMMAND{$name};
798	}
799	}
800
801	# remove extcmds
802	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
803	delete $EXTCMD{$name};
804	}
805
806	if (my $cb = $pkg->can ("unload")) {
807	eval {
808	$cb->($pkg);
809	1
810	} or warn "$pkg unloaded, but with errors: $@";
811	}
812
813	Symbol::delete_package $pkg;
814	}	918	}
815		919
816	sub load_extensions {	920	sub load_extensions {
817	for my $ext (<$LIBDIR/*.ext>) {	921	for my $ext (<$LIBDIR/*.ext>) {
818	next unless -r $ext;	922	next unless -r $ext;
…		…
822	} or warn "$ext not loaded: $@";	926	} or warn "$ext not loaded: $@";
823	}	927	}
824	}	928	}
825		929
826	#############################################################################	930	#############################################################################
827	# load/save/clean perl data associated with a map
828		931
829	*cf::mapsupport::on_clean = sub {	932	=head2 CORE EXTENSIONS
		933
		934	Functions and methods that extend core crossfire objects.
		935
		936	=cut
		937
		938	package cf::player;
		939
		940	use Coro::AIO;
		941
		942	=head3 cf::player
		943
		944	=over 4
		945
		946	=item cf::player::find $login
		947
		948	Returns the given player object, loading it if necessary (might block).
		949
		950	=cut
		951
		952	sub playerdir($) {
		953	cf::localdir
		954	. "/"
		955	. cf::playerdir
		956	. "/"
		957	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		958	}
		959
		960	sub path($) {
		961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		962
		963	(playerdir $login) . "/$login.pl"
		964	}
		965
		966	sub find_active($) {
		967	$cf::PLAYER{$_[0]}
		968	and $cf::PLAYER{$_[0]}->active
		969	and $cf::PLAYER{$_[0]}
		970	}
		971
		972	sub exists($) {
		973	my ($login) = @_;
		974
		975	$cf::PLAYER{$login}
		976	or cf::sync_job { !aio_stat path $login }
		977	}
		978
		979	sub find($) {
		980	return $cf::PLAYER{$_[0]} || do {
		981	my $login = $_[0];
		982
		983	my $guard = cf::lock_acquire "user_find:$login";
		984
		985	$cf::PLAYER{$_[0]} || do {
		986	my $pl = load_pl path $login
		987	or return;
		988	$cf::PLAYER{$login} = $pl
		989	}
		990	}
		991	}
		992
		993	sub save($) {
		994	my ($pl) = @_;
		995
		996	return if $pl->{deny_save};
		997
		998	my $path = path $pl;
		999	my $guard = cf::lock_acquire "user_save:$path";
		1000
		1001	return if $pl->{deny_save};
		1002
		1003	aio_mkdir playerdir $pl, 0770;
		1004	$pl->{last_save} = $cf::RUNTIME;
		1005
		1006	$pl->save_pl ($path);
		1007	Coro::cede;
		1008	}
		1009
		1010	sub new($) {
		1011	my ($login) = @_;
		1012
		1013	my $self = create;
		1014
		1015	$self->ob->name ($login);
		1016	$self->{deny_save} = 1;
		1017
		1018	$cf::PLAYER{$login} = $self;
		1019
		1020	$self
		1021	}
		1022
		1023	=item $pl->quit_character
		1024
		1025	Nukes the player without looking back. If logged in, the connection will
		1026	be destroyed. May block for a long time.
		1027
		1028	=cut
		1029
		1030	sub quit_character {
		1031	my ($pl) = @_;
		1032
		1033	$pl->{deny_save} = 1;
		1034	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1035
		1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1037	$pl->deactivate;
		1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1039	$pl->ns->destroy if $pl->ns;
		1040
		1041	my $path = playerdir $pl;
		1042	my $temp = "$path~$cf::RUNTIME~deleting~";
		1043	aio_rename $path, $temp;
		1044	delete $cf::PLAYER{$pl->ob->name};
		1045	$pl->destroy;
		1046	IO::AIO::aio_rmtree $temp;
		1047	}
		1048
		1049	=item cf::player::list_logins
		1050
		1051	Returns am arrayref of all valid playernames in the system, can take a
		1052	while and may block, so not sync_job-capable, ever.
		1053
		1054	=cut
		1055
		1056	sub list_logins {
		1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1058	or return [];
		1059
		1060	my @logins;
		1061
		1062	for my $login (@$dirs) {
		1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1064	aio_read $fh, 0, 512, my $buf, 0 or next;
		1065	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1066
		1067	utf8::decode $login;
		1068	push @logins, $login;
		1069	}
		1070
		1071	\@logins
		1072	}
		1073
		1074	=item $player->maps
		1075
		1076	Returns an arrayref of map paths that are private for this
		1077	player. May block.
		1078
		1079	=cut
		1080
		1081	sub maps($) {
		1082	my ($pl) = @_;
		1083
		1084	$pl = ref $pl ? $pl->ob->name : $pl;
		1085
		1086	my $files = aio_readdir playerdir $pl
		1087	or return;
		1088
		1089	my @paths;
		1090
		1091	for (@$files) {
		1092	utf8::decode $_;
		1093	next if /\.(?:pl|pst)$/;
		1094	next unless /^$PATH_SEP/o;
		1095
		1096	push @paths, cf::map::normalise "~$pl/$_";
		1097	}
		1098
		1099	\@paths
		1100	}
		1101
		1102	=item $player->ext_reply ($msgid, $msgtype, %msg)
		1103
		1104	Sends an ext reply to the player.
		1105
		1106	=cut
		1107
		1108	sub ext_reply($$$%) {
		1109	my ($self, $id, %msg) = @_;
		1110
		1111	$msg{msgid} = $id;
		1112
		1113	$self->send ("ext " . cf::to_json \%msg);
		1114	}
		1115
		1116	package cf;
		1117
		1118	=back
		1119
		1120
		1121	=head3 cf::map
		1122
		1123	=over 4
		1124
		1125	=cut
		1126
		1127	package cf::map;
		1128
		1129	use Fcntl;
		1130	use Coro::AIO;
		1131
		1132	use overload
		1133	'""' => \&as_string,
		1134	fallback => 1;
		1135
		1136	our $MAX_RESET = 3600;
		1137	our $DEFAULT_RESET = 3000;
		1138
		1139	sub generate_random_map {
		1140	my ($self, $rmp) = @_;
		1141	# mit "rum" bekleckern, nicht
		1142	$self->_create_random_map (
		1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
		1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
		1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
		1146	$rmp->{exit_on_final_map},
		1147	$rmp->{xsize}, $rmp->{ysize},
		1148	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
		1149	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
		1150	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
		1151	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
		1152	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
		1153	(cf::region::find $rmp->{region}), $rmp->{custom}
		1154	)
		1155	}
		1156
		1157	=item cf::map->register ($regex, $prio)
		1158
		1159	Register a handler for the map path matching the given regex at the
		1160	givne priority (higher is better, built-in handlers have priority 0, the
		1161	default).
		1162
		1163	=cut
		1164
		1165	sub register {
		1166	my (undef, $regex, $prio) = @_;
		1167	my $pkg = caller;
		1168
		1169	no strict;
		1170	push @{"$pkg\::ISA"}, __PACKAGE__;
		1171
		1172	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1173	}
		1174
		1175	# also paths starting with '/'
		1176	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1177
		1178	sub thawer_merge {
		1179	my ($self, $merge) = @_;
		1180
		1181	# we have to keep some variables in memory intact
		1182	local $self->{path};
		1183	local $self->{load_path};
		1184	local $self->{deny_save};
		1185	local $self->{deny_reset};
		1186
		1187	$self->SUPER::thawer_merge ($merge);
		1188	}
		1189
		1190	sub normalise {
		1191	my ($path, $base) = @_;
		1192
		1193	$path = "$path"; # make sure its a string
		1194
		1195	$path =~ s/\.map$//;
		1196
		1197	# map plan:
		1198	#
		1199	# /! non-realised random map exit (special hack!)
		1200	# {... are special paths that are not being touched
		1201	# ?xxx/... are special absolute paths
		1202	# ?random/... random maps
		1203	# /... normal maps
		1204	# ~user/... per-player map of a specific user
		1205
		1206	$path =~ s/$PATH_SEP/\//go;
		1207
		1208	# treat it as relative path if it starts with
		1209	# something that looks reasonable
		1210	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1211	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1212
		1213	$base =~ s{[^/]+/?$}{};
		1214	$path = "$base/$path";
		1215	}
		1216
		1217	for ($path) {
		1218	redo if s{//}{/};
		1219	redo if s{/\.?/}{/};
		1220	redo if s{/[^/]+/\.\./}{/};
		1221	}
		1222
		1223	$path
		1224	}
		1225
		1226	sub new_from_path {
		1227	my (undef, $path, $base) = @_;
		1228
		1229	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1230
		1231	$path = normalise $path, $base;
		1232
		1233	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1234	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1235	my $self = bless cf::map::new, $pkg;
		1236	$self->{path} = $path; $self->path ($path);
		1237	$self->init; # pass $1 etc.
		1238	return $self;
		1239	}
		1240	}
		1241
		1242	Carp::carp "unable to resolve path '$path' (base '$base').";
		1243	()
		1244	}
		1245
		1246	sub init {
		1247	my ($self) = @_;
		1248
		1249	$self
		1250	}
		1251
		1252	sub as_string {
		1253	my ($self) = @_;
		1254
		1255	"$self->{path}"
		1256	}
		1257
		1258	# the displayed name, this is a one way mapping
		1259	sub visible_name {
		1260	&as_string
		1261	}
		1262
		1263	# the original (read-only) location
		1264	sub load_path {
		1265	my ($self) = @_;
		1266
		1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1268	}
		1269
		1270	# the temporary/swap location
		1271	sub save_path {
		1272	my ($self) = @_;
		1273
		1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1276	}
		1277
		1278	# the unique path, undef == no special unique path
		1279	sub uniq_path {
		1280	my ($self) = @_;
		1281
		1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
		1284	}
		1285
		1286	# and all this just because we cannot iterate over
		1287	# all maps in C++...
		1288	sub change_all_map_light {
		1289	my ($change) = @_;
		1290
		1291	$_->change_map_light ($change)
		1292	for grep $_->outdoor, values %cf::MAP;
		1293	}
		1294
		1295	sub unlink_save {
		1296	my ($self) = @_;
		1297
		1298	utf8::encode (my $save = $self->save_path);
		1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1300	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1301
		1302	#d#TODO remove .map and also nuke
		1303	$save =~ s/\.map// or return;#d#
		1304	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1305	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1306	}
		1307
		1308	sub load_header_from($) {
		1309	my ($self, $path) = @_;
		1310
		1311	utf8::encode $path;
		1312	#aio_open $path, O_RDONLY, 0
		1313	# or return;
		1314
		1315	$self->_load_header ($path)
		1316	or return;
		1317
		1318	$self->{load_path} = $path;
		1319
		1320	1
		1321	}
		1322
		1323	sub load_header_orig {
		1324	my ($self) = @_;
		1325
		1326	$self->load_header_from ($self->load_path)
		1327	}
		1328
		1329	sub load_header_temp {
		1330	my ($self) = @_;
		1331
		1332	$self->load_header_from ($self->save_path)
		1333	}
		1334
		1335	sub prepare_temp {
		1336	my ($self) = @_;
		1337
		1338	$self->last_access ((delete $self->{last_access})
		1339	|| $cf::RUNTIME); #d#
		1340	# safety
		1341	$self->{instantiate_time} = $cf::RUNTIME
		1342	if $self->{instantiate_time} > $cf::RUNTIME;
		1343	}
		1344
		1345	sub prepare_orig {
		1346	my ($self) = @_;
		1347
		1348	$self->{load_original} = 1;
		1349	$self->{instantiate_time} = $cf::RUNTIME;
		1350	$self->last_access ($cf::RUNTIME);
		1351	$self->instantiate;
		1352	}
		1353
		1354	sub load_header {
		1355	my ($self) = @_;
		1356
		1357	if ($self->load_header_temp) {
		1358	$self->prepare_temp;
		1359	} else {
		1360	$self->load_header_orig
		1361	or return;
		1362	$self->prepare_orig;
		1363	}
		1364
		1365	1
		1366	}
		1367
		1368	sub find;
		1369	sub find {
		1370	my ($path, $origin) = @_;
		1371
		1372	$path = normalise $path, $origin && $origin->path;
		1373
		1374	cf::lock_wait "map_find:$path";
		1375
		1376	$cf::MAP{$path} || do {
		1377	my $guard = cf::lock_acquire "map_find:$path";
		1378	my $map = new_from_path cf::map $path
		1379	or return;
		1380
		1381	$map->{last_save} = $cf::RUNTIME;
		1382
		1383	$map->load_header
		1384	or return;
		1385
		1386	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1387	# doing this can freeze the server in a sync job, obviously
		1388	#$cf::WAIT_FOR_TICK->wait;
		1389	$map->reset;
		1390	undef $guard;
		1391	return find $path;
		1392	}
		1393
		1394	$cf::MAP{$path} = $map
		1395	}
		1396	}
		1397
		1398	sub pre_load { }
		1399	sub post_load { }
		1400
		1401	sub load {
		1402	my ($self) = @_;
		1403
		1404	local $self->{deny_reset} = 1; # loading can take a long time
		1405
		1406	my $path = $self->{path};
		1407	my $guard = cf::lock_acquire "map_load:$path";
		1408
		1409	return if $self->in_memory != cf::MAP_SWAPPED;
		1410
		1411	$self->in_memory (cf::MAP_LOADING);
		1412
		1413	$self->alloc;
		1414
		1415	$self->pre_load;
		1416
		1417	$self->_load_objects ($self->{load_path}, 1)
		1418	or return;
		1419
		1420	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1421	if delete $self->{load_original};
		1422
		1423	if (my $uniq = $self->uniq_path) {
		1424	utf8::encode $uniq;
		1425	if (aio_open $uniq, O_RDONLY, 0) {
		1426	$self->clear_unique_items;
		1427	$self->_load_objects ($uniq, 0);
		1428	}
		1429	}
		1430
		1431	Coro::cede;
		1432
		1433	# now do the right thing for maps
		1434	$self->link_multipart_objects;
		1435
		1436	unless ($self->{deny_activate}) {
		1437	$self->decay_objects;
		1438	$self->fix_auto_apply;
		1439	$self->update_buttons;
		1440	Coro::cede;
		1441	$self->set_darkness_map;
		1442	$self->difficulty ($self->estimate_difficulty)
		1443	unless $self->difficulty;
		1444	Coro::cede;
		1445	$self->activate;
		1446	}
		1447
		1448	$self->post_load;
		1449
		1450	$self->in_memory (cf::MAP_IN_MEMORY);
		1451	}
		1452
		1453	sub customise_for {
		1454	my ($self, $ob) = @_;
		1455
		1456	return find "~" . $ob->name . "/" . $self->{path}
		1457	if $self->per_player;
		1458
		1459	$self
		1460	}
		1461
		1462	# find and load all maps in the 3x3 area around a map
		1463	sub load_diag {
830	my ($map) = @_;	1464	my ($map) = @_;
831		1465
832	my $path = $map->tmpname;	1466	my @diag; # diagonal neighbours
833	defined $path or return;
834		1467
835	unlink "$path.pst";	1468	for (0 .. 3) {
836	};	1469	my $neigh = $map->tile_path ($_)
		1470	or next;
		1471	$neigh = find $neigh, $map
		1472	or next;
		1473	$neigh->load;
837		1474
838	cf::map->attach (prio => -10000, package => cf::mapsupport::);	1475	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1476	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1477	}
839		1478
840	#############################################################################	1479	for (@diag) {
841	# load/save perl data associated with player->ob objects	1480	my $neigh = find @$_
842		1481	or next;
843	sub all_objects(@) {	1482	$neigh->load;
844	@_, map all_objects ($_->inv), @_	1483	}
845	}	1484	}
846		1485
847	# TODO: compatibility cruft, remove when no longer needed	1486	sub find_sync {
848	cf::player->attach (	1487	my ($path, $origin) = @_;
849	on_load => sub {
850	my ($pl, $path) = @_;
851		1488
852	for my $o (all_objects $pl->ob) {	1489	cf::sync_job { find $path, $origin }
853	if (my $value = $o->get_ob_key_value ("_perl_data")) {	1490	}
854	$o->set_ob_key_value ("_perl_data");
855		1491
856	%$o = %{ Storable::thaw pack "H*", $value };	1492	sub do_load_sync {
		1493	my ($map) = @_;
		1494
		1495	cf::sync_job { $map->load };
		1496	}
		1497
		1498	our %MAP_PREFETCH;
		1499	our $MAP_PREFETCHER = undef;
		1500
		1501	sub find_async {
		1502	my ($path, $origin) = @_;
		1503
		1504	$path = normalise $path, $origin && $origin->{path};
		1505
		1506	if (my $map = $cf::MAP{$path}) {
		1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1508	}
		1509
		1510	undef $MAP_PREFETCH{$path};
		1511	$MAP_PREFETCHER ||= cf::async {
		1512	while (%MAP_PREFETCH) {
		1513	for my $path (keys %MAP_PREFETCH) {
		1514	my $map = find $path
		1515	or next;
		1516	$map->load;
		1517
		1518	delete $MAP_PREFETCH{$path};
857	}	1519	}
858	}	1520	}
		1521	undef $MAP_PREFETCHER;
		1522	};
		1523	$MAP_PREFETCHER->prio (6);
		1524
		1525	()
		1526	}
		1527
		1528	sub save {
		1529	my ($self) = @_;
		1530
		1531	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1532
		1533	$self->{last_save} = $cf::RUNTIME;
		1534
		1535	return unless $self->dirty;
		1536
		1537	my $save = $self->save_path; utf8::encode $save;
		1538	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1539
		1540	$self->{load_path} = $save;
		1541
		1542	return if $self->{deny_save};
		1543
		1544	local $self->{last_access} = $self->last_access;#d#
		1545
		1546	cf::async {
		1547	$_->contr->save for $self->players;
		1548	};
		1549
		1550	if ($uniq) {
		1551	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		1552	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		1553	} else {
		1554	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
859	},	1555	}
860	);	1556	}
861		1557
862	#############################################################################	1558	sub swap_out {
		1559	my ($self) = @_;
863		1560
864	=head2 CORE EXTENSIONS	1561	# save first because save cedes
		1562	$self->save;
865		1563
866	Functions and methods that extend core crossfire objects.	1564	my $lock = cf::lock_acquire "map_data:" . $self->path;
867		1565
868	=head3 cf::player	1566	return if $self->players;
		1567	return if $self->in_memory != cf::MAP_IN_MEMORY;
		1568	return if $self->{deny_save};
		1569
		1570	$self->clear;
		1571	$self->in_memory (cf::MAP_SWAPPED);
		1572	}
		1573
		1574	sub reset_at {
		1575	my ($self) = @_;
		1576
		1577	# TODO: safety, remove and allow resettable per-player maps
		1578	return 1e99 if $self->isa ("ext::map_per_player");#d#
		1579	return 1e99 if $self->{deny_reset};
		1580
		1581	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1582	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		1583
		1584	$time + $to
		1585	}
		1586
		1587	sub should_reset {
		1588	my ($self) = @_;
		1589
		1590	$self->reset_at <= $cf::RUNTIME
		1591	}
		1592
		1593	sub reset {
		1594	my ($self) = @_;
		1595
		1596	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1597
		1598	return if $self->players;
		1599	return if $self->isa ("ext::map_per_player");#d#
		1600
		1601	warn "resetting map ", $self->path;#d#
		1602
		1603	delete $cf::MAP{$self->path};
		1604
		1605	$self->in_memory (cf::MAP_SWAPPED);
		1606	$self->clear;
		1607
		1608	$_->clear_links_to ($self) for values %cf::MAP;
		1609
		1610	$self->unlink_save;
		1611	$self->destroy;
		1612	}
		1613
		1614	my $nuke_counter = "aaaa";
		1615
		1616	sub nuke {
		1617	my ($self) = @_;
		1618
		1619	delete $cf::MAP{$self->path};
		1620
		1621	$self->unlink_save;
		1622
		1623	bless $self, "cf::map";
		1624	delete $self->{deny_reset};
		1625	$self->{deny_save} = 1;
		1626	$self->reset_timeout (1);
		1627	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1628
		1629	$cf::MAP{$self->path} = $self;
		1630
		1631	$self->reset; # polite request, might not happen
		1632	}
		1633
		1634	=item cf::map::unique_maps
		1635
		1636	Returns an arrayref of paths of all shared maps that have
		1637	instantiated unique items. May block.
		1638
		1639	=cut
		1640
		1641	sub unique_maps() {
		1642	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1643	or return;
		1644
		1645	my @paths;
		1646
		1647	for (@$files) {
		1648	utf8::decode $_;
		1649	next if /\.pst$/;
		1650	next unless /^$PATH_SEP/o;
		1651
		1652	push @paths, cf::map::normalise $_;
		1653	}
		1654
		1655	\@paths
		1656	}
		1657
		1658	package cf;
		1659
		1660	=back
		1661
		1662	=head3 cf::object
		1663
		1664	=cut
		1665
		1666	package cf::object;
869		1667
870	=over 4	1668	=over 4
871		1669
872	=item cf::player::exists $login	1670	=item $ob->inv_recursive
873		1671
874	Returns true when the given account exists.	1672	Returns the inventory of the object _and_ their inventories, recursively.
875		1673
876	=cut	1674	=cut
877		1675
878	sub cf::player::exists($) {	1676	sub inv_recursive_;
879	cf::player::find $_[0]	1677	sub inv_recursive_ {
880	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	1678	map { $_, inv_recursive_ $_->inv } @_
881	}	1679	}
882		1680
883	=item $player->ext_reply ($msgid, $msgtype, %msg)	1681	sub inv_recursive {
884		1682	inv_recursive_ inv $_[0]
885	Sends an ext reply to the player.
886
887	=cut
888
889	sub cf::player::ext_reply($$$%) {
890	my ($self, $id, %msg) = @_;
891
892	$msg{msgid} = $id;
893
894	$self->send ("ext " . to_json \%msg);
895	}	1683	}
		1684
		1685	package cf;
896		1686
897	=back	1687	=back
898		1688
899	=head3 cf::object::player	1689	=head3 cf::object::player
900		1690
…		…
938	(ref $cf::CFG{"may_$access"}	1728	(ref $cf::CFG{"may_$access"}
939	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1729	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
940	: $cf::CFG{"may_$access"})	1730	: $cf::CFG{"may_$access"})
941	}	1731	}
942		1732
		1733	=item $player_object->enter_link
		1734
		1735	Freezes the player and moves him/her to a special map (C<{link}>).
		1736
		1737	The player should be reasonably safe there for short amounts of time. You
		1738	I<MUST> call C<leave_link> as soon as possible, though.
		1739
		1740	Will never block.
		1741
		1742	=item $player_object->leave_link ($map, $x, $y)
		1743
		1744	Moves the player out of the special C<{link}> map onto the specified
		1745	map. If the map is not valid (or omitted), the player will be moved back
		1746	to the location he/she was before the call to C<enter_link>, or, if that
		1747	fails, to the emergency map position.
		1748
		1749	Might block.
		1750
		1751	=cut
		1752
		1753	sub link_map {
		1754	unless ($LINK_MAP) {
		1755	$LINK_MAP = cf::map::find "{link}"
		1756	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1757	$LINK_MAP->load;
		1758	}
		1759
		1760	$LINK_MAP
		1761	}
		1762
		1763	sub cf::object::player::enter_link {
		1764	my ($self) = @_;
		1765
		1766	$self->deactivate_recursive;
		1767
		1768	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1769
		1770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
		1771	if $self->map;
		1772
		1773	$self->enter_map ($LINK_MAP || link_map, 10, 10);
		1774	}
		1775
		1776	sub cf::object::player::leave_link {
		1777	my ($self, $map, $x, $y) = @_;
		1778
		1779	my $link_pos = delete $self->{_link_pos};
		1780
		1781	unless ($map) {
		1782	# restore original map position
		1783	($map, $x, $y) = @{ $link_pos || [] };
		1784	$map = cf::map::find $map;
		1785
		1786	unless ($map) {
		1787	($map, $x, $y) = @$EMERGENCY_POSITION;
		1788	$map = cf::map::find $map
		1789	or die "FATAL: cannot load emergency map\n";
		1790	}
		1791	}
		1792
		1793	($x, $y) = (-1, -1)
		1794	unless (defined $x) && (defined $y);
		1795
		1796	# use -1 or undef as default coordinates, not 0, 0
		1797	($x, $y) = ($map->enter_x, $map->enter_y)
		1798	if $x <=0 && $y <= 0;
		1799
		1800	$map->load;
		1801	$map->load_diag;
		1802
		1803	return unless $self->contr->active;
		1804	$self->activate_recursive;
		1805	$self->enter_map ($map, $x, $y);
		1806	}
		1807
		1808	cf::player->attach (
		1809	on_logout => sub {
		1810	my ($pl) = @_;
		1811
		1812	# abort map switching before logout
		1813	if ($pl->ob->{_link_pos}) {
		1814	cf::sync_job {
		1815	$pl->ob->leave_link
		1816	};
		1817	}
		1818	},
		1819	on_login => sub {
		1820	my ($pl) = @_;
		1821
		1822	# try to abort aborted map switching on player login :)
		1823	# should happen only on crashes
		1824	if ($pl->ob->{_link_pos}) {
		1825	$pl->ob->enter_link;
		1826	(async {
		1827	# we need this sleep as the login has a concurrent enter_exit running
		1828	# and this sleep increases chances of the player not ending up in scorn
		1829	$pl->ob->reply (undef,
		1830	"There was an internal problem at your last logout, "
		1831	. "the server will try to bring you to your intended destination in a second.",
		1832	cf::NDI_RED);
		1833	Coro::Timer::sleep 1;
		1834	$pl->ob->leave_link;
		1835	})->prio (2);
		1836	}
		1837	},
		1838	);
		1839
		1840	=item $player_object->goto ($path, $x, $y)
		1841
		1842	=cut
		1843
		1844	sub cf::object::player::goto {
		1845	my ($self, $path, $x, $y) = @_;
		1846
		1847	$self->enter_link;
		1848
		1849	(async {
		1850	my $map = eval {
		1851	my $map = cf::map::find $path;
		1852	$map = $map->customise_for ($self) if $map;
		1853	$map
		1854	} or
		1855	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		1856
		1857	$self->leave_link ($map, $x, $y);
		1858	})->prio (1);
		1859	}
		1860
		1861	=item $player_object->enter_exit ($exit_object)
		1862
		1863	=cut
		1864
		1865	sub parse_random_map_params {
		1866	my ($spec) = @_;
		1867
		1868	my $rmp = { # defaults
		1869	xsize => (cf::rndm 15, 40),
		1870	ysize => (cf::rndm 15, 40),
		1871	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1872	#layout => string,
		1873	};
		1874
		1875	for (split /\n/, $spec) {
		1876	my ($k, $v) = split /\s+/, $_, 2;
		1877
		1878	$rmp->{lc $k} = $v if (length $k) && (length $v);
		1879	}
		1880
		1881	$rmp
		1882	}
		1883
		1884	sub prepare_random_map {
		1885	my ($exit) = @_;
		1886
		1887	my $guard = cf::lock_acquire "exit_prepare:$exit";
		1888
		1889	# all this does is basically replace the /! path by
		1890	# a new random map path (?random/...) with a seed
		1891	# that depends on the exit object
		1892
		1893	my $rmp = parse_random_map_params $exit->msg;
		1894
		1895	if ($exit->map) {
		1896	$rmp->{region} = $exit->region->name;
		1897	$rmp->{origin_map} = $exit->map->path;
		1898	$rmp->{origin_x} = $exit->x;
		1899	$rmp->{origin_y} = $exit->y;
		1900	}
		1901
		1902	$rmp->{random_seed} ||= $exit->random_seed;
		1903
		1904	my $data = cf::to_json $rmp;
		1905	my $md5 = Digest::MD5::md5_hex $data;
		1906	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
		1907
		1908	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
		1909	aio_write $fh, 0, (length $data), $data, 0;
		1910	undef $fh;
		1911	aio_rename "$meta~", $meta;
		1912
		1913	$exit->slaying ("?random/$md5");
		1914	$exit->msg (undef);
		1915	}
		1916	}
		1917
		1918	sub cf::object::player::enter_exit {
		1919	my ($self, $exit) = @_;
		1920
		1921	return unless $self->type == cf::PLAYER;
		1922
		1923	if ($exit->slaying eq "/!") {
		1924	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1925	cf::sync_job { prepare_random_map $exit };
		1926	}
		1927
		1928	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1929	my $hp = $exit->stats->hp;
		1930	my $sp = $exit->stats->sp;
		1931
		1932	$self->enter_link;
		1933
		1934	(async {
		1935	$self->deactivate_recursive; # just to be sure
		1936	unless (eval {
		1937	$self->goto ($slaying, $hp, $sp);
		1938
		1939	1;
		1940	}) {
		1941	$self->message ("Something went wrong deep within the crossfire server. "
		1942	. "I'll try to bring you back to the map you were before. "
		1943	. "Please report this to the dungeon master!",
		1944	cf::NDI_UNIQUE | cf::NDI_RED);
		1945
		1946	warn "ERROR in enter_exit: $@";
		1947	$self->leave_link;
		1948	}
		1949	})->prio (1);
		1950	}
		1951
943	=head3 cf::client	1952	=head3 cf::client
944		1953
945	=over 4	1954	=over 4
946		1955
947	=item $client->send_drawinfo ($text, $flags)	1956	=item $client->send_drawinfo ($text, $flags)
…		…
990	on_reply => sub {	1999	on_reply => sub {
991	my ($ns, $msg) = @_;	2000	my ($ns, $msg) = @_;
992		2001
993	# this weird shuffling is so that direct followup queries	2002	# this weird shuffling is so that direct followup queries
994	# get handled first	2003	# get handled first
995	my $queue = delete $ns->{query_queue};	2004	my $queue = delete $ns->{query_queue}
		2005	or return; # be conservative, not sure how that can happen, but we saw a crash here
996		2006
997	(shift @$queue)->[1]->($msg);	2007	(shift @$queue)->[1]->($msg);
		2008	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
998		2009
999	push @{ $ns->{query_queue} }, @$queue;	2010	push @{ $ns->{query_queue} }, @$queue;
1000		2011
1001	if (@{ $ns->{query_queue} } == @$queue) {	2012	if (@{ $ns->{query_queue} } == @$queue) {
1002	if (@$queue) {	2013	if (@$queue) {
…		…
1006	}	2017	}
1007	}	2018	}
1008	},	2019	},
1009	);	2020	);
1010		2021
1011	=item $client->coro (\&cb)	2022	=item $client->async (\&cb)
1012		2023
1013	Create a new coroutine, running the specified callback. The coroutine will	2024	Create a new coroutine, running the specified callback. The coroutine will
1014	be automatically cancelled when the client gets destroyed (e.g. on logout,	2025	be automatically cancelled when the client gets destroyed (e.g. on logout,
1015	or loss of connection).	2026	or loss of connection).
1016		2027
1017	=cut	2028	=cut
1018		2029
1019	sub cf::client::coro {	2030	sub cf::client::async {
1020	my ($self, $cb) = @_;	2031	my ($self, $cb) = @_;
1021		2032
1022	my $coro; $coro = async {	2033	my $coro = &Coro::async ($cb);
1023	eval {
1024	$cb->();
1025	};
1026	warn $@ if $@;
1027	};
1028		2034
1029	$coro->on_destroy (sub {	2035	$coro->on_destroy (sub {
1030	delete $self->{_coro}{$coro+0};	2036	delete $self->{_coro}{$coro+0};
1031	});	2037	});
1032		2038
…		…
1204		2210
1205	{	2211	{
1206	my $path = cf::localdir . "/database.pst";	2212	my $path = cf::localdir . "/database.pst";
1207		2213
1208	sub db_load() {	2214	sub db_load() {
1209	warn "loading database $path\n";#d# remove later
1210	$DB = stat $path ? Storable::retrieve $path : { };	2215	$DB = stat $path ? Storable::retrieve $path : { };
1211	}	2216	}
1212		2217
1213	my $pid;	2218	my $pid;
1214		2219
1215	sub db_save() {	2220	sub db_save() {
1216	warn "saving database $path\n";#d# remove later
1217	waitpid $pid, 0 if $pid;	2221	waitpid $pid, 0 if $pid;
1218	if (0 == ($pid = fork)) {	2222	if (0 == ($pid = fork)) {
1219	$DB->{_meta}{version} = 1;	2223	$DB->{_meta}{version} = 1;
1220	Storable::nstore $DB, "$path~";	2224	Storable::nstore $DB, "$path~";
1221	rename "$path~", $path;	2225	rename "$path~", $path;
…		…
1228	sub db_sync() {	2232	sub db_sync() {
1229	db_save if $dirty;	2233	db_save if $dirty;
1230	undef $dirty;	2234	undef $dirty;
1231	}	2235	}
1232		2236
1233	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2237	my $idle = Event->idle (
1234	db_sync;	2238	reentrant => 0,
		2239	min => 10,
		2240	max => 20,
		2241	repeat => 0,
		2242	data => WF_AUTOCANCEL,
		2243	cb => \&db_sync,
1235	});	2244	);
1236		2245
1237	sub db_dirty() {	2246	sub db_dirty() {
1238	$dirty = 1;	2247	$dirty = 1;
1239	$idle->start;	2248	$idle->start;
1240	}	2249	}
…		…
1261	},	2270	},
1262	);	2271	);
1263	}	2272	}
1264		2273
1265	#############################################################################	2274	#############################################################################
1266	# the server's main()	2275	# the server's init and main functions
		2276
		2277	sub load_resources {
		2278	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2279	or die "unable to load regions file\n";#d#
		2280	}
1267		2281
1268	sub cfg_load {	2282	sub cfg_load {
1269	open my $fh, "<:utf8", cf::confdir . "/config"	2283	open my $fh, "<:utf8", cf::confdir . "/config"
1270	or return;	2284	or return;
1271		2285
1272	local $/;	2286	local $/;
1273	*CFG = YAML::Syck::Load <$fh>;	2287	*CFG = YAML::Syck::Load <$fh>;
		2288
		2289	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2290
		2291	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2292	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2293
		2294	if (exists $CFG{mlockall}) {
		2295	eval {
		2296	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2297	and die "WARNING: m(un)lockall failed: $!\n";
		2298	};
		2299	warn $@ if $@;
		2300	}
		2301	}
		2302
		2303	sub init {
		2304	load_resources;
1274	}	2305	}
1275		2306
1276	sub main {	2307	sub main {
		2308	# we must not ever block the main coroutine
		2309	local $Coro::idle = sub {
		2310	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2311	(async {
		2312	Event::one_event;
		2313	})->prio (Coro::PRIO_MAX);
		2314	};
		2315
1277	cfg_load;	2316	cfg_load;
1278	db_load;	2317	db_load;
1279	load_extensions;	2318	load_extensions;
		2319
		2320	$TICK_WATCHER->start;
1280	Event::loop;	2321	Event::loop;
1281	}	2322	}
1282		2323
1283	#############################################################################	2324	#############################################################################
1284	# initialisation	2325	# initialisation and cleanup
1285		2326
		2327	# install some emergency cleanup handlers
		2328	BEGIN {
		2329	for my $signal (qw(INT HUP TERM)) {
		2330	Event->signal (
		2331	reentrant => 0,
		2332	data => WF_AUTOCANCEL,
		2333	signal => $signal,
		2334	prio => 0,
		2335	cb => sub {
		2336	cf::cleanup "SIG$signal";
		2337	},
		2338	);
		2339	}
		2340	}
		2341
		2342	sub emergency_save() {
		2343	my $freeze_guard = cf::freeze_mainloop;
		2344
		2345	warn "enter emergency perl save\n";
		2346
		2347	cf::sync_job {
		2348	# use a peculiar iteration method to avoid tripping on perl
		2349	# refcount bugs in for. also avoids problems with players
		2350	# and maps saved/destroyed asynchronously.
		2351	warn "begin emergency player save\n";
		2352	for my $login (keys %cf::PLAYER) {
		2353	my $pl = $cf::PLAYER{$login} or next;
		2354	$pl->valid or next;
		2355	$pl->save;
		2356	}
		2357	warn "end emergency player save\n";
		2358
		2359	warn "begin emergency map save\n";
		2360	for my $path (keys %cf::MAP) {
		2361	my $map = $cf::MAP{$path} or next;
		2362	$map->valid or next;
		2363	$map->save;
		2364	}
		2365	warn "end emergency map save\n";
		2366	};
		2367
		2368	warn "leave emergency perl save\n";
		2369	}
		2370
1286	sub perl_reload() {	2371	sub reload() {
1287	# can/must only be called in main	2372	# can/must only be called in main
1288	if ($Coro::current != $Coro::main) {	2373	if ($Coro::current != $Coro::main) {
1289	warn "can only reload from main coroutine\n";	2374	warn "can only reload from main coroutine";
1290	return;	2375	return;
1291	}	2376	}
1292		2377
1293	warn "reloading...";	2378	warn "reloading...";
1294		2379
1295	local $FREEZE = 1;	2380	warn "cancelling server ticker";
		2381	$TICK_WATCHER->cancel;
		2382
1296	cf::emergency_save;	2383	cf::emergency_save;
1297		2384
1298	eval {	2385	eval {
1299	# if anything goes wrong in here, we should simply crash as we already saved	2386	# if anything goes wrong in here, we should simply crash as we already saved
1300		2387
1301	# cancel all watchers	2388	warn "syncing database to disk";
		2389	cf::db_sync;
		2390
		2391	warn "cancelling all WF_AUTOCANCEL watchers";
1302	for (Event::all_watchers) {	2392	for (Event::all_watchers) {
1303	$_->cancel if $_->data & WF_AUTOCANCEL;	2393	$_->cancel if $_->data & WF_AUTOCANCEL;
1304	}	2394	}
1305		2395
		2396	warn "flushing outstanding aio requests";
		2397	for (;;) {
		2398	IO::AIO::flush;
		2399	Coro::cede;
		2400	last unless IO::AIO::nreqs;
		2401	warn "iterate...";
		2402	}
		2403
1306	# cancel all extension coros	2404	warn "cancelling all extension coros";
1307	$_->cancel for values %EXT_CORO;	2405	$_->cancel for values %EXT_CORO;
1308	%EXT_CORO = ();	2406	%EXT_CORO = ();
1309		2407
1310	# unload all extensions	2408	warn "removing commands";
1311	for (@exts) {	2409	%COMMAND = ();
		2410
		2411	warn "removing ext commands";
		2412	%EXTCMD = ();
		2413
		2414	warn "unloading/nuking all extensions";
		2415	for my $pkg (@EXTS) {
1312	warn "unloading <$_>";	2416	warn "... unloading $pkg";
1313	unload_extension $_;	2417
		2418	if (my $cb = $pkg->can ("unload")) {
		2419	eval {
		2420	$cb->($pkg);
		2421	1
		2422	} or warn "$pkg unloaded, but with errors: $@";
1314	}	2423	}
1315		2424
		2425	warn "... nuking $pkg";
		2426	Symbol::delete_package $pkg;
		2427	}
		2428
1316	# unload all modules loaded from $LIBDIR	2429	warn "unloading all perl modules loaded from $LIBDIR";
1317	while (my ($k, $v) = each %INC) {	2430	while (my ($k, $v) = each %INC) {
1318	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2431	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1319		2432
1320	warn "removing <$k>";	2433	warn "... unloading $k";
1321	delete $INC{$k};	2434	delete $INC{$k};
1322		2435
1323	$k =~ s/\.pm$//;	2436	$k =~ s/\.pm$//;
1324	$k =~ s/\//::/g;	2437	$k =~ s/\//::/g;
1325		2438
…		…
1328	}	2441	}
1329		2442
1330	Symbol::delete_package $k;	2443	Symbol::delete_package $k;
1331	}	2444	}
1332		2445
1333	# sync database to disk
1334	cf::db_sync;
1335	IO::AIO::flush;
1336
1337	# get rid of safe::, as good as possible	2446	warn "getting rid of safe::, as good as possible";
1338	Symbol::delete_package "safe::$_"	2447	Symbol::delete_package "safe::$_"
1339	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2448	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1340		2449
1341	# remove register_script_function callbacks
1342	# TODO
1343
1344	# unload cf.pm "a bit"	2450	warn "unloading cf.pm \"a bit\"";
1345	delete $INC{"cf.pm"};	2451	delete $INC{"cf.pm"};
1346		2452
1347	# don't, removes xs symbols, too,	2453	# don't, removes xs symbols, too,
1348	# and global variables created in xs	2454	# and global variables created in xs
1349	#Symbol::delete_package __PACKAGE__;	2455	#Symbol::delete_package __PACKAGE__;
1350		2456
1351	# reload cf.pm	2457	warn "unload completed, starting to reload now";
		2458
1352	warn "reloading cf.pm";	2459	warn "reloading cf.pm";
1353	require cf;	2460	require cf;
1354	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2461	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1355		2462
1356	# load config and database again	2463	warn "loading config and database again";
1357	cf::cfg_load;	2464	cf::cfg_load;
1358	cf::db_load;	2465	cf::db_load;
1359		2466
1360	# load extensions
1361	warn "load extensions";	2467	warn "loading extensions";
1362	cf::load_extensions;	2468	cf::load_extensions;
1363		2469
1364	# reattach attachments to objects	2470	warn "reattaching attachments to objects/players";
1365	warn "reattach";
1366	_global_reattach;	2471	_global_reattach;
		2472	warn "reattaching attachments to maps";
		2473	reattach $_ for values %MAP;
		2474
		2475	warn "loading reloadable resources";
		2476	load_resources;
		2477
		2478	warn "restarting server ticker";
		2479
		2480	$TICK_WATCHER->start;
1367	};	2481	};
1368		2482
1369	if ($@) {	2483	if ($@) {
1370	warn $@;	2484	warn $@;
1371	warn "error while reloading, exiting.";	2485	warn "error while reloading, exiting.";
1372	exit 1;	2486	exit 1;
1373	}	2487	}
1374		2488
1375	warn "reloaded successfully";	2489	warn "reloaded";
1376	};	2490	};
1377		2491
1378	register "<global>", __PACKAGE__;	2492	our $RELOAD_WATCHER; # used only during reload
1379		2493
1380	register_command "perl-reload" => sub {	2494	register_command "reload" => sub {
1381	my ($who, $arg) = @_;	2495	my ($who, $arg) = @_;
1382		2496
1383	if ($who->flag (FLAG_WIZ)) {	2497	if ($who->flag (FLAG_WIZ)) {
1384	$who->message ("start of reload.");
1385	perl_reload;
1386	$who->message ("end of reload.");	2498	$who->message ("reloading server.");
		2499
		2500	# doing reload synchronously and two reloads happen back-to-back,
		2501	# coro crashes during coro_state_free->destroy here.
		2502
		2503	$RELOAD_WATCHER ||= Event->timer (
		2504	reentrant => 0,
		2505	after => 0,
		2506	data => WF_AUTOCANCEL,
		2507	cb => sub {
		2508	reload;
		2509	undef $RELOAD_WATCHER;
		2510	},
		2511	);
1387	}	2512	}
1388	};	2513	};
1389		2514
1390	unshift @INC, $LIBDIR;	2515	unshift @INC, $LIBDIR;
		2516
		2517	my $bug_warning = 0;
1391		2518
1392	$TICK_WATCHER = Event->timer (	2519	$TICK_WATCHER = Event->timer (
1393	reentrant => 0,	2520	reentrant => 0,
		2521	parked => 1,
1394	prio => 0,	2522	prio => 0,
1395	at => $NEXT_TICK || $TICK,	2523	at => $NEXT_TICK || $TICK,
1396	data => WF_AUTOCANCEL,	2524	data => WF_AUTOCANCEL,
1397	cb => sub {	2525	cb => sub {
1398	unless ($FREEZE) {	2526	if ($Coro::current != $Coro::main) {
		2527	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2528	unless ++$bug_warning > 10;
		2529	return;
		2530	}
		2531
		2532	$NOW = Event::time;
		2533
1399	cf::server_tick; # one server iteration	2534	cf::server_tick; # one server iteration
1400	$RUNTIME += $TICK;	2535	$RUNTIME += $TICK;
1401	}
1402
1403	$NEXT_TICK += $TICK;	2536	$NEXT_TICK += $TICK;
		2537
		2538	$WAIT_FOR_TICK->broadcast;
		2539	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2540
		2541	Event::sweep;
		2542	Coro::cede_notself;
		2543
		2544	# my $AFTER = Event::time;
		2545	# warn $AFTER - $NOW;#d#
1404		2546
1405	# if we are delayed by four ticks or more, skip them all	2547	# if we are delayed by four ticks or more, skip them all
1406	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2548	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1407		2549
1408	$TICK_WATCHER->at ($NEXT_TICK);	2550	$TICK_WATCHER->at ($NEXT_TICK);
1409	$TICK_WATCHER->start;	2551	$TICK_WATCHER->start;
1410	},	2552	},
1411	);	2553	);
1412		2554
1413	IO::AIO::max_poll_time $TICK * 0.2;	2555	IO::AIO::max_poll_time $TICK * 0.1;
1414		2556
		2557	undef $Coro::AIO::WATCHER;
		2558	$AIO_POLL_WATCHER = Event->io (
		2559	reentrant => 0,
1415	Event->io (fd => IO::AIO::poll_fileno,	2560	fd => IO::AIO::poll_fileno,
1416	poll => 'r',	2561	poll => 'r',
1417	prio => 5,	2562	prio => 6,
1418	data => WF_AUTOCANCEL,	2563	data => WF_AUTOCANCEL,
1419	cb => \&IO::AIO::poll_cb);	2564	cb => \&IO::AIO::poll_cb,
		2565	);
1420		2566
1421	# we must not ever block the main coroutine	2567	$WRITE_RUNTIME_WATCHER = Event->timer (
1422	$Coro::idle = sub {	2568	reentrant => 0,
1423	#Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2569	data => WF_AUTOCANCEL,
1424	warn "FATAL: Coro::idle was called, major BUG\n";	2570	after => 1,
		2571	interval => 10,
		2572	prio => 6, # keep it lowest so it acts like a watchdog
1425	(Coro::unblock_sub {	2573	cb => Coro::unblock_sub {
1426	Event::one_event;	2574	write_runtime
1427	})->();	2575	or warn "ERROR: unable to write runtime file: $!";
1428	};	2576	},
		2577	);
		2578
		2579	END { cf::emergency_save }
1429		2580
1430	1	2581	1
1431		2582

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