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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.152 by root, Mon Jan 8 22:32:10 2007 UTC vs.
Revision 1.186 by root, Sat Jan 20 01:12:39 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 3.4 ();
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;
20	use Digest::MD5;	21	use Digest::MD5;
21	use Fcntl;	22	use Fcntl;
22	use IO::AIO 2.32 ();	23	use IO::AIO 2.32 ();
23	use YAML::Syck ();	24	use YAML::Syck ();
24	use Time::HiRes;	25	use Time::HiRes;
25		26
26	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
27		28
		29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		30
28	# 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?
29	$YAML::Syck::ImplicitUnicode = 1;	32	$YAML::Syck::ImplicitUnicode = 1;
30		33
31	$Coro::main->prio (Coro::PRIO_MAX); # 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
32		35
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	our %COMMAND = ();	36	our %COMMAND = ();
36	our %COMMAND_TIME = ();	37	our %COMMAND_TIME = ();
		38
		39	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	40	our %EXTCMD = ();
		41	our %EXT_CORO = (); # coroutines bound to extensions
		42	our %EXT_MAP = (); # pluggable maps
38		43
39	our @EVENT;	44	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	45	our $LIBDIR = datadir . "/ext";
41		46
42	our $TICK = MAX_TIME * 1e-6;	47	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	48	our $TICK_WATCHER;
		49	our $AIO_POLL_WATCHER;
		50	our $WRITE_RUNTIME_WATCHER;
44	our $NEXT_TICK;	51	our $NEXT_TICK;
45	our $NOW;	52	our $NOW;
46		53
47	our %CFG;	54	our %CFG;
48		55
49	our $UPTIME; $UPTIME ||= time;	56	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	57	our $RUNTIME;
51		58
52	our %PLAYER; # all users	59	our %PLAYER; # all users
53	our %MAP; # all maps	60	our %MAP; # all maps
54	our $LINK_MAP; # the special {link} map	61	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	62	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO; # coroutines bound to extensions	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
57		69
58	binmode STDOUT;	70	binmode STDOUT;
59	binmode STDERR;	71	binmode STDERR;
60		72
61	# read virtual server time, if available	73	# read virtual server time, if available
…		…
69	mkdir cf::localdir . "/" . cf::playerdir;	81	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	82	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	83	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	84	mkdir $RANDOM_MAPS;
73		85
74	# a special map that is always available
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	86	our $EMERGENCY_POSITION;
77		87
78	#############################################################################	88	#############################################################################
79		89
80	=head2 GLOBAL VARIABLES	90	=head2 GLOBAL VARIABLES
…		…
105		115
106	=item %cf::CFG	116	=item %cf::CFG
107		117
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	118	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	from wherever your confdir points to.	119	from wherever your confdir points to.
		120
		121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		122
		123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		125	processing has been done. Call C<< ->wait >> on them to maximise the
		126	window of cpu time available, or simply to synchronise to the server tick.
110		127
111	=back	128	=back
112		129
113	=cut	130	=cut
114		131
…		…
146		163
147	$Event::DIED = sub {	164	$Event::DIED = sub {
148	warn "error in event callback: @_";	165	warn "error in event callback: @_";
149	};	166	};
150		167
151	my %ext_pkg;
152	my @exts;
153	my @hook;
154
155	=head2 UTILITY FUNCTIONS	168	=head2 UTILITY FUNCTIONS
156		169
157	=over 4	170	=over 4
158		171
		172	=item dumpval $ref
		173
159	=cut	174	=cut
		175
		176	sub dumpval {
		177	eval {
		178	local $SIG{__DIE__};
		179	my $d;
		180	if (1) {
		181	$d = new Data::Dumper([$_[0]], ["*var"]);
		182	$d->Terse(1);
		183	$d->Indent(2);
		184	$d->Quotekeys(0);
		185	$d->Useqq(1);
		186	#$d->Bless(...);
		187	$d->Seen($_[1]) if @_ > 1;
		188	$d = $d->Dump();
		189	}
		190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		191	$d
		192	} || "[unable to dump $_[0]: '$@']";
		193	}
160		194
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	195	use JSON::Syck (); # TODO# replace by JSON::PC once working
162		196
163	=item $ref = cf::from_json $json	197	=item $ref = cf::from_json $json
164		198
…		…
225	}	259	}
226		260
227	sub freeze_mainloop {	261	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	262	return unless $TICK_WATCHER->is_active;
229		263
230	my $guard = Coro::guard { $TICK_WATCHER->start };	264	my $guard = Coro::guard {
		265	$TICK_WATCHER->start;
		266	$WRITE_RUNTIME_WATCHER->start;
		267	};
		268	$WRITE_RUNTIME_WATCHER->stop;
231	$TICK_WATCHER->stop;	269	$TICK_WATCHER->stop;
232	$guard	270	$guard
233	}	271	}
234		272
235	=item cf::async { BLOCK }	273	=item cf::async { BLOCK }
…		…
287	}	325	}
288	}	326	}
289		327
290	=item $coro = cf::async_ext { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
291		329
292	Like async, but this coro is automcatially being canceled when the	330	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	331	extension calling this is being unloaded.
294		332
295	=cut	333	=cut
296		334
297	sub async_ext(&) {	335	sub async_ext(&) {
…		…
311	my $runtime = cf::localdir . "/runtime";	349	my $runtime = cf::localdir . "/runtime";
312		350
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
314	or return;	352	or return;
315		353
		354	my $value = $cf::RUNTIME + 90 + 10;
316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	355	# 10 is the runtime save interval, for a monotonic clock
		356	# 60 allows for the watchdog to kill the server.
		357
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0	358	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;	359	and return;
319		360
320	aio_fsync $fh	361	aio_fsync $fh
321	and return;	362	and return;
…		…
330	}	371	}
331		372
332	=back	373	=back
333		374
334	=cut	375	=cut
335
336	#############################################################################
337
338	package cf::path;
339
340	sub new {
341	my ($class, $path, $base) = @_;
342
343	$path = $path->as_string if ref $path;
344
345	my $self = bless { }, $class;
346
347	# {... are special paths that are not touched
348	# ?xxx/... are special absolute paths
349	# ?random/... random maps
350	# /! non-realised random map exit
351	# /... normal maps
352	# ~/... per-player maps without a specific player (DO NOT USE)
353	# ~user/... per-player map of a specific user
354
355	if ($path =~ /^{/) {
356	# fine as it is
357	} elsif ($path =~ s{^\?random/}{}) {
358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359	$self->{random} = cf::from_json $data;
360	} else {
361	if ($path =~ s{^~([^/]+)?}{}) {
362	$self->{user_rel} = 1;
363
364	if (defined $1) {
365	$self->{user} = $1;
366	} elsif ($base =~ m{^~([^/]+)/}) {
367	$self->{user} = $1;
368	} else {
369	warn "cannot resolve user-relative path without user <$path,$base>\n";
370	}
371	} elsif ($path =~ /^\//) {
372	# already absolute
373	} else {
374	$base =~ s{[^/]+/?$}{};
375	return $class->new ("$base/$path");
376	}
377
378	for ($path) {
379	redo if s{/\.?/}{/};
380	redo if s{/[^/]+/\.\./}{/};
381	}
382	}
383
384	$self->{path} = $path;
385
386	$self
387	}
388
389	# the name / primary key / in-game path
390	sub as_string {
391	my ($self) = @_;
392
393	$self->{user_rel} ? "~$self->{user}$self->{path}"
394	: $self->{random} ? "?random/$self->{path}"
395	: $self->{path}
396	}
397
398	# the displayed name, this is a one way mapping
399	sub visible_name {
400	my ($self) = @_;
401
402	# if (my $rmp = $self->{random}) {
403	# # todo: be more intelligent about this
404	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405	# } else {
406	$self->as_string
407	# }
408	}
409
410	# escape the /'s in the path
411	sub _escaped_path {
412	# ∕ is U+2215
413	(my $path = $_[0]{path}) =~ s/\//∕/g;
414	$path
415	}
416
417	# the original (read-only) location
418	sub load_path {
419	my ($self) = @_;
420
421	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
422	}
423
424	# the temporary/swap location
425	sub save_path {
426	my ($self) = @_;
427
428	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431	}
432
433	# the unique path, might be eq to save_path
434	sub uniq_path {
435	my ($self) = @_;
436
437	$self->{user_rel} || $self->{random}
438	? undef
439	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440	}
441
442	# return random map parameters, or undef
443	sub random_map_params {
444	my ($self) = @_;
445
446	$self->{random}
447	}
448
449	# this is somewhat ugly, but style maps do need special treatment
450	sub is_style_map {
451	$_[0]{path} =~ m{^/styles/}
452	}
453
454	package cf;
455		376
456	#############################################################################	377	#############################################################################
457		378
458	=head2 ATTACHABLE OBJECTS	379	=head2 ATTACHABLE OBJECTS
459		380
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	506	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	507	our @CB_MAP = ();
587		508
588	my %attachment;	509	my %attachment;
589		510
		511	sub cf::attachable::thawer_merge {
		512	# simply override everything except _meta
		513	local $_[0]{_meta};
		514	%{$_[0]} = %{$_[1]};
		515	}
		516
590	sub _attach_cb($$$$) {	517	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	518	my ($registry, $event, $prio, $cb) = @_;
592		519
593	use sort 'stable';	520	use sort 'stable';
594		521
…		…
765	# object support	692	# object support
766		693
767	sub reattach {	694	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	695	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	696	my ($obj) = @_;
		697
		698	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		699
771	my $registry = $obj->registry;	700	my $registry = $obj->registry;
772		701
773	@$registry = ();	702	@$registry = ();
774		703
…		…
906	=cut	835	=cut
907		836
908	sub register_extcmd {	837	sub register_extcmd {
909	my ($name, $cb) = @_;	838	my ($name, $cb) = @_;
910		839
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	840	$EXTCMD{$name} = $cb;
915	}	841	}
916		842
917	cf::player->attach (	843	cf::player->attach (
918	on_command => sub {	844	on_command => sub {
919	my ($pl, $name, $params) = @_;	845	my ($pl, $name, $params) = @_;
…		…
932		858
933	my $msg = eval { from_json $buf };	859	my $msg = eval { from_json $buf };
934		860
935	if (ref $msg) {	861	if (ref $msg) {
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	863	if (my %reply = $cb->($pl, $msg)) {
938	$pl->ext_reply ($msg->{msgid}, %reply);	864	$pl->ext_reply ($msg->{msgid}, %reply);
939	}	865	}
940	}	866	}
941	} else {	867	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
944		870
945	cf::override;	871	cf::override;
946	},	872	},
947	);	873	);
948		874
949	sub register {
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {	875	sub load_extension {
956	my ($path) = @_;	876	my ($path) = @_;
957		877
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
959	my $base = $1;	879	my $base = $1;
960	my $pkg = $1;	880	my $pkg = $1;
961	$pkg =~ s/[^[:word:]]/_/g;	881	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";	882	$pkg = "ext::$pkg";
963		883
964	warn "loading '$path' into '$pkg'\n";	884	warn "... loading '$path' into '$pkg'\n";
965		885
966	open my $fh, "<:utf8", $path	886	open my $fh, "<:utf8", $path
967	or die "$path: $!";	887	or die "$path: $!";
968		888
969	my $source =	889	my $source =
970	"package $pkg; use strict; use utf8;\n"	890	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"	891	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })	892	. (do { local $/; <$fh> })
973	. "\n};\n1";	893	. "\n};\n1";
974		894
975	eval $source	895	unless (eval $source) {
976	or die $@ ? "$path: $@\n"	896	my $msg = $@ ? "$path: $@\n"
977	: "extension disabled.\n";	897	: "extension disabled.\n";
978		898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
979	push @exts, $pkg;	899	warn $@;
980	$ext_pkg{$base} = $pkg;	900	warn "mandatory extension failed to load, exiting.\n";
981		901	exit 1;
982	# no strict 'refs';	902	}
983	# @{"$pkg\::ISA"} = ext::;	903	die $@;
984
985	register $base, $pkg;
986	}
987
988	sub unload_extension {
989	my ($pkg) = @_;
990
991	warn "removing extension $pkg\n";
992
993	# remove hooks
994	#TODO
995	# for my $idx (0 .. $#PLUGIN_EVENT) {
996	# delete $hook[$idx]{$pkg};
997	# }	904	}
998		905
999	# remove commands	906	push @EXTS, $pkg;
1000	for my $name (keys %COMMAND) {
1001	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003	if (@cb) {
1004	$COMMAND{$name} = \@cb;
1005	} else {
1006	delete $COMMAND{$name};
1007	}
1008	}
1009
1010	# remove extcmds
1011	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012	delete $EXTCMD{$name};
1013	}
1014
1015	if (my $cb = $pkg->can ("unload")) {
1016	eval {
1017	$cb->($pkg);
1018	1
1019	} or warn "$pkg unloaded, but with errors: $@";
1020	}
1021
1022	Symbol::delete_package $pkg;
1023	}	907	}
1024		908
1025	sub load_extensions {	909	sub load_extensions {
1026	for my $ext (<$LIBDIR/*.ext>) {	910	for my $ext (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	911	next unless -r $ext;
…		…
1031	} or warn "$ext not loaded: $@";	915	} or warn "$ext not loaded: $@";
1032	}	916	}
1033	}	917	}
1034		918
1035	#############################################################################	919	#############################################################################
1036	# load/save/clean perl data associated with a map
1037
1038	*cf::mapsupport::on_clean = sub {
1039	my ($map) = @_;
1040
1041	my $path = $map->tmpname;
1042	defined $path or return;
1043
1044	unlink "$path.pst";
1045	};
1046
1047	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049	#############################################################################
1050	# load/save perl data associated with player->ob objects
1051
1052	sub all_objects(@) {
1053	@_, map all_objects ($_->inv), @_
1054	}
1055
1056	# TODO: compatibility cruft, remove when no longer needed
1057	cf::player->attach (
1058	on_load => sub {
1059	my ($pl, $path) = @_;
1060
1061	for my $o (all_objects $pl->ob) {
1062	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063	$o->set_ob_key_value ("_perl_data");
1064
1065	%$o = %{ Storable::thaw pack "H*", $value };
1066	}
1067	}
1068	},
1069	);
1070
1071	#############################################################################
1072		920
1073	=head2 CORE EXTENSIONS	921	=head2 CORE EXTENSIONS
1074		922
1075	Functions and methods that extend core crossfire objects.	923	Functions and methods that extend core crossfire objects.
1076		924
1077	=cut	925	=cut
1078		926
1079	package cf::player;	927	package cf::player;
		928
		929	use Coro::AIO;
1080		930
1081	=head3 cf::player	931	=head3 cf::player
1082		932
1083	=over 4	933	=over 4
1084		934
…		…
1110		960
1111	sub exists($) {	961	sub exists($) {
1112	my ($login) = @_;	962	my ($login) = @_;
1113		963
1114	$cf::PLAYER{$login}	964	$cf::PLAYER{$login}
1115	or cf::sync_job { !aio_stat $login }	965	or cf::sync_job { !aio_stat path $login }
1116	}	966	}
1117		967
1118	sub find($) {	968	sub find($) {
1119	return $cf::PLAYER{$_[0]} || do {	969	return $cf::PLAYER{$_[0]} || do {
1120	my $login = $_[0];	970	my $login = $_[0];
…		…
1137	my $path = path $pl;	987	my $path = path $pl;
1138	my $guard = cf::lock_acquire "user_save:$path";	988	my $guard = cf::lock_acquire "user_save:$path";
1139		989
1140	return if $pl->{deny_save};	990	return if $pl->{deny_save};
1141		991
1142	Coro::AIO::aio_mkdir playerdir $pl, 0770;	992	aio_mkdir playerdir $pl, 0770;
1143	$pl->{last_save} = $cf::RUNTIME;	993	$pl->{last_save} = $cf::RUNTIME;
1144		994
1145	$pl->save_pl ($path);	995	$pl->save_pl ($path);
1146	Coro::cede;	996	Coro::cede;
1147	}	997	}
…		…
1156		1006
1157	$cf::PLAYER{$login} = $self;	1007	$cf::PLAYER{$login} = $self;
1158		1008
1159	$self	1009	$self
1160	}	1010	}
		1011
		1012	=item $pl->quit_character
		1013
		1014	Nukes the player without looking back. If logged in, the connection will
		1015	be destroyed. May block for a long time.
		1016
		1017	=cut
1161		1018
1162	sub quit_character {	1019	sub quit_character {
1163	my ($pl) = @_;	1020	my ($pl) = @_;
1164		1021
1165	$pl->{deny_save} = 1;	1022	$pl->{deny_save} = 1;
…		…
1170	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1027	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1171	$pl->ns->destroy if $pl->ns;	1028	$pl->ns->destroy if $pl->ns;
1172		1029
1173	my $path = playerdir $pl;	1030	my $path = playerdir $pl;
1174	my $temp = "$path~$cf::RUNTIME~deleting~";	1031	my $temp = "$path~$cf::RUNTIME~deleting~";
1175	Coro::AIO::aio_rename $path, $temp;	1032	aio_rename $path, $temp;
1176	delete $cf::PLAYER{$pl->ob->name};	1033	delete $cf::PLAYER{$pl->ob->name};
1177	$pl->destroy;	1034	$pl->destroy;
1178	IO::AIO::aio_rmtree $temp;	1035	IO::AIO::aio_rmtree $temp;
1179	}	1036	}
1180		1037
		1038	=item cf::player::list_logins
		1039
		1040	Returns am arrayref of all valid playernames in the system, can take a
		1041	while and may block, so not sync_job-capable, ever.
		1042
		1043	=cut
		1044
		1045	sub list_logins {
		1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1047	or return [];
		1048
		1049	my @logins;
		1050
		1051	for my $login (@$dirs) {
		1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1053	aio_read $fh, 0, 512, my $buf, 0 or next;
		1054	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1055
		1056	utf8::decode $login;
		1057	push @logins, $login;
		1058	}
		1059
		1060	\@logins
		1061	}
		1062
		1063	=item $player->maps
		1064
		1065	Returns an arrayref of map paths that are private for this
		1066	player. May block.
		1067
		1068	=cut
		1069
		1070	sub maps($) {
		1071	my ($pl) = @_;
		1072
		1073	my $files = aio_readdir playerdir $pl
		1074	or return;
		1075
		1076	my @paths;
		1077
		1078	for (@$files) {
		1079	utf8::decode $_;
		1080	next if /\.(?:pl|pst)$/;
		1081	next unless /^$PATH_SEP/o;
		1082
		1083	s/\.map$//;
		1084	push @paths, "~" . $pl->ob->name . "/" . $_;
		1085	}
		1086
		1087	\@paths
		1088	}
		1089
1181	=item $player->ext_reply ($msgid, $msgtype, %msg)	1090	=item $player->ext_reply ($msgid, $msgtype, %msg)
1182		1091
1183	Sends an ext reply to the player.	1092	Sends an ext reply to the player.
1184		1093
1185	=cut	1094	=cut
…		…
1206	package cf::map;	1115	package cf::map;
1207		1116
1208	use Fcntl;	1117	use Fcntl;
1209	use Coro::AIO;	1118	use Coro::AIO;
1210		1119
		1120	use overload
		1121	'""' => \&as_string,
		1122	fallback => 1;
		1123
1211	our $MAX_RESET = 3600;	1124	our $MAX_RESET = 3600;
1212	our $DEFAULT_RESET = 3000;	1125	our $DEFAULT_RESET = 3000;
1213		1126
1214	sub generate_random_map {	1127	sub generate_random_map {
1215	my ($path, $rmp) = @_;	1128	my ($self, $rmp) = @_;
1216
1217	# mit "rum" bekleckern, nicht	1129	# mit "rum" bekleckern, nicht
1218	cf::map::_create_random_map	1130	$self->_create_random_map (
1219	$path,
1220	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1221	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1222	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1223	$rmp->{exit_on_final_map},	1134	$rmp->{exit_on_final_map},
1224	$rmp->{xsize}, $rmp->{ysize},	1135	$rmp->{xsize}, $rmp->{ysize},
1225	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1226	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1227	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1228	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1139	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1229	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1230	(cf::region::find $rmp->{region})	1141	(cf::region::find $rmp->{region}), $rmp->{custom}
		1142	)
		1143	}
		1144
		1145	sub register {
		1146	my (undef, $regex) = @_;
		1147	my $pkg = caller;
		1148
		1149	no strict;
		1150	push @{"$pkg\::ISA"}, __PACKAGE__;
		1151
		1152	$EXT_MAP{$pkg} = qr<$regex>;
		1153	}
		1154
		1155	# also paths starting with '/'
		1156	$EXT_MAP{"cf::map"} = qr{^(?=/)};
		1157
		1158	sub thawer_merge {
		1159	my ($self, $merge) = @_;
		1160
		1161	# we have to keep some variables in memory intact
		1162	local $self->{path};
		1163	local $self->{load_path};
		1164	local $self->{deny_save};
		1165	local $self->{deny_reset};
		1166
		1167	$self->SUPER::thawer_merge ($merge);
		1168	}
		1169
		1170	sub normalise {
		1171	my ($path, $base) = @_;
		1172
		1173	# map plan:
		1174	#
		1175	# /! non-realised random map exit (special hack!)
		1176	# {... are special paths that are not being touched
		1177	# ?xxx/... are special absolute paths
		1178	# ?random/... random maps
		1179	# /... normal maps
		1180	# ~user/... per-player map of a specific user
		1181
		1182	$path =~ s/$PATH_SEP/\//go;
		1183
		1184	# treat it as relative path if it starts with
		1185	# something that looks reasonable
		1186	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1187	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1188
		1189	$base =~ s{[^/]+/?$}{};
		1190	$path = "$base/$path";
		1191	}
		1192
		1193	for ($path) {
		1194	redo if s{//}{/};
		1195	redo if s{/\.?/}{/};
		1196	redo if s{/[^/]+/\.\./}{/};
		1197	}
		1198
		1199	$path
		1200	}
		1201
		1202	sub new_from_path {
		1203	my (undef, $path, $base) = @_;
		1204
		1205	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1206
		1207	$path = normalise $path, $base;
		1208
		1209	for my $pkg (keys %EXT_MAP) {
		1210	if ($path =~ $EXT_MAP{$pkg}) {
		1211	my $self = bless cf::map::new, $pkg;
		1212	$self->{path} = $path; $self->path ($path);
		1213	$self->init; # pass $1 etc.
		1214	return $self;
		1215	}
		1216	}
		1217
		1218	Carp::carp "unable to resolve path '$path'.";
		1219	()
		1220	}
		1221
		1222	sub init {
		1223	my ($self) = @_;
		1224
		1225	$self
		1226	}
		1227
		1228	sub as_string {
		1229	my ($self) = @_;
		1230
		1231	"$self->{path}"
		1232	}
		1233
		1234	# the displayed name, this is a one way mapping
		1235	sub visible_name {
		1236	&as_string
		1237	}
		1238
		1239	# the original (read-only) location
		1240	sub load_path {
		1241	my ($self) = @_;
		1242
		1243	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		1244	}
		1245
		1246	# the temporary/swap location
		1247	sub save_path {
		1248	my ($self) = @_;
		1249
		1250	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1251	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
		1252	}
		1253
		1254	# the unique path, undef == no special unique path
		1255	sub uniq_path {
		1256	my ($self) = @_;
		1257
		1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1259	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1231	}	1260	}
1232		1261
1233	# and all this just because we cannot iterate over	1262	# and all this just because we cannot iterate over
1234	# all maps in C++...	1263	# all maps in C++...
1235	sub change_all_map_light {	1264	sub change_all_map_light {
…		…
1237		1266
1238	$_->change_map_light ($change)	1267	$_->change_map_light ($change)
1239	for grep $_->outdoor, values %cf::MAP;	1268	for grep $_->outdoor, values %cf::MAP;
1240	}	1269	}
1241		1270
		1271	sub unlink_save {
		1272	my ($self) = @_;
		1273
		1274	utf8::encode (my $save = $self->save_path);
		1275	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1276	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1277	}
		1278
1242	sub try_load_header($) {	1279	sub load_header_from($) {
1243	my ($path) = @_;	1280	my ($self, $path) = @_;
1244		1281
1245	utf8::encode $path;	1282	utf8::encode $path;
1246	aio_open $path, O_RDONLY, 0	1283	aio_open $path, O_RDONLY, 0
1247	or return;	1284	or return;
1248		1285
1249	my $map = cf::map::new	1286	$self->_load_header ($path)
1250	or return;	1287	or return;
1251		1288
1252	# for better error messages only, will be overwritten	1289	$self->{load_path} = $path;
1253	$map->path ($path);
1254		1290
1255	$map->load_header ($path)	1291	1
		1292	}
		1293
		1294	sub load_orig {
		1295	my ($self) = @_;
		1296
		1297	$self->load_header_from ($self->load_path)
		1298	}
		1299
		1300	sub load_temp {
		1301	my ($self) = @_;
		1302
		1303	$self->load_header_from ($self->save_path)
		1304	}
		1305
		1306	sub load_header {
		1307	my ($self) = @_;
		1308
		1309	if ($self->load_temp) {
		1310	$self->last_access ((delete $self->{last_access})
		1311	|| $cf::RUNTIME); #d#
		1312	# safety
		1313	$self->{instantiate_time} = $cf::RUNTIME
		1314	if $self->{instantiate_time} > $cf::RUNTIME;
		1315	} else {
		1316	$self->load_orig
1256	or return;	1317	or return;
1257		1318
1258	$map->{load_path} = $path;	1319	$self->{load_original} = 1;
		1320	$self->{instantiate_time} = $cf::RUNTIME;
		1321	$self->last_access ($cf::RUNTIME);
		1322	$self->instantiate;
		1323	}
1259		1324
1260	$map	1325	1
1261	}	1326	}
1262		1327
1263	sub find;	1328	sub find;
1264	sub find {	1329	sub find {
1265	my ($path, $origin) = @_;	1330	my ($path, $origin) = @_;
1266		1331
1267	#warn "find<$path,$origin>\n";#d#
1268
1269	$path = new cf::path $path, $origin && $origin->path;	1332	$path = normalise $path, $origin && $origin->path;
1270	my $key = $path->as_string;
1271		1333
1272	cf::lock_wait "map_find:$key";	1334	cf::lock_wait "map_find:$path";
1273		1335
1274	$cf::MAP{$key} || do {	1336	$cf::MAP{$path} || do {
1275	my $guard = cf::lock_acquire "map_find:$key";	1337	my $guard = cf::lock_acquire "map_find:$path";
1276		1338	my $map = new_from_path cf::map $path
1277	# do it the slow way
1278	my $map = try_load_header $path->save_path;
1279
1280	Coro::cede;
1281
1282	if ($map) {
1283	$map->last_access ((delete $map->{last_access})
1284	|| $cf::RUNTIME); #d#
1285	# safety
1286	$map->{instantiate_time} = $cf::RUNTIME
1287	if $map->{instantiate_time} > $cf::RUNTIME;
1288	} else {
1289	if (my $rmp = $path->random_map_params) {
1290	$map = generate_random_map $key, $rmp;
1291	} else {
1292	$map = try_load_header $path->load_path;
1293	}
1294
1295	$map or return;	1339	or return;
1296		1340
1297	$map->{load_original} = 1;
1298	$map->{instantiate_time} = $cf::RUNTIME;
1299	$map->last_access ($cf::RUNTIME);
1300	$map->instantiate;
1301
1302	# per-player maps become, after loading, normal maps
1303	$map->per_player (0) if $path->{user_rel};
1304	}
1305
1306	$map->path ($key);
1307	$map->{path} = $path;
1308	$map->{last_save} = $cf::RUNTIME;	1341	$map->{last_save} = $cf::RUNTIME;
1309		1342
1310	Coro::cede;	1343	$map->load_header
		1344	or return;
1311		1345
1312	if ($map->should_reset) {	1346	if ($map->should_reset) {
		1347	# doing this can freeze the server in a sync job, obviously
		1348	#$cf::WAIT_FOR_TICK->wait;
1313	$map->reset;	1349	$map->reset;
1314	undef $guard;	1350	undef $guard;
1315	$map = find $path	1351	$map = find $path
1316	or return;	1352	or return;
1317	}	1353	}
1318		1354
1319	$cf::MAP{$key} = $map	1355	$cf::MAP{$path} = $map
1320	}	1356	}
1321	}	1357	}
1322		1358
1323	sub load {	1359	sub load {
1324	my ($self) = @_;	1360	my ($self) = @_;
1325		1361
1326	my $path = $self->{path};	1362	my $path = $self->{path};
1327	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1363	my $guard = cf::lock_acquire "map_load:$path";
1328		1364
1329	return if $self->in_memory != cf::MAP_SWAPPED;	1365	return if $self->in_memory != cf::MAP_SWAPPED;
1330		1366
1331	$self->in_memory (cf::MAP_LOADING);	1367	$self->in_memory (cf::MAP_LOADING);
1332		1368
1333	$self->alloc;	1369	$self->alloc;
1334	$self->load_objects ($self->{load_path}, 1)	1370	$self->_load_objects ($self->{load_path}, 1)
1335	or return;	1371	or return;
1336		1372
1337	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1373	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1338	if delete $self->{load_original};	1374	if delete $self->{load_original};
1339		1375
1340	if (my $uniq = $path->uniq_path) {	1376	if (my $uniq = $self->uniq_path) {
1341	utf8::encode $uniq;	1377	utf8::encode $uniq;
1342	if (aio_open $uniq, O_RDONLY, 0) {	1378	if (aio_open $uniq, O_RDONLY, 0) {
1343	$self->clear_unique_items;	1379	$self->clear_unique_items;
1344	$self->load_objects ($uniq, 0);	1380	$self->_load_objects ($uniq, 0);
1345	}	1381	}
1346	}	1382	}
1347		1383
1348	Coro::cede;	1384	Coro::cede;
1349		1385
1350	# now do the right thing for maps	1386	# now do the right thing for maps
1351	$self->link_multipart_objects;	1387	$self->link_multipart_objects;
1352		1388
1353	if ($self->{path}->is_style_map) {	1389	unless ($self->{deny_activate}) {
1354	$self->{deny_save} = 1;	1390	$self->decay_objects;
1355	$self->{deny_reset} = 1;
1356	} else {
1357	$self->fix_auto_apply;	1391	$self->fix_auto_apply;
1358	$self->decay_objects;
1359	$self->update_buttons;	1392	$self->update_buttons;
		1393	Coro::cede;
1360	$self->set_darkness_map;	1394	$self->set_darkness_map;
1361	$self->difficulty ($self->estimate_difficulty)	1395	$self->difficulty ($self->estimate_difficulty)
1362	unless $self->difficulty;	1396	unless $self->difficulty;
		1397	Coro::cede;
1363	$self->activate;	1398	$self->activate;
1364	}	1399	}
1365		1400
1366	Coro::cede;
1367
1368	$self->in_memory (cf::MAP_IN_MEMORY);	1401	$self->in_memory (cf::MAP_IN_MEMORY);
		1402	}
		1403
		1404	sub customise_for {
		1405	my ($self, $ob) = @_;
		1406
		1407	return find "~" . $ob->name . "/" . $self->{path}
		1408	if $self->per_player;
		1409
		1410	$self
		1411	}
		1412
		1413	# find and load all maps in the 3x3 area around a map
		1414	sub load_diag {
		1415	my ($map) = @_;
		1416
		1417	my @diag; # diagonal neighbours
		1418
		1419	for (0 .. 3) {
		1420	my $neigh = $map->tile_path ($_)
		1421	or next;
		1422	$neigh = find $neigh, $map
		1423	or next;
		1424	$neigh->load;
		1425
		1426	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1427	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1428	}
		1429
		1430	for (@diag) {
		1431	my $neigh = find @$_
		1432	or next;
		1433	$neigh->load;
		1434	}
1369	}	1435	}
1370		1436
1371	sub find_sync {	1437	sub find_sync {
1372	my ($path, $origin) = @_;	1438	my ($path, $origin) = @_;
1373		1439
1374	cf::sync_job { cf::map::find $path, $origin }	1440	cf::sync_job { find $path, $origin }
1375	}	1441	}
1376		1442
1377	sub do_load_sync {	1443	sub do_load_sync {
1378	my ($map) = @_;	1444	my ($map) = @_;
1379		1445
1380	cf::sync_job { $map->load };	1446	cf::sync_job { $map->load };
1381	}	1447	}
1382		1448
		1449	our %MAP_PREFETCH;
		1450	our $MAP_PREFETCHER = undef;
		1451
		1452	sub find_async {
		1453	my ($path, $origin) = @_;
		1454
		1455	$path = normalise $path, $origin && $origin->{path};
		1456
		1457	if (my $map = $cf::MAP{$path}) {
		1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1459	}
		1460
		1461	undef $MAP_PREFETCH{$path};
		1462	$MAP_PREFETCHER ||= cf::async {
		1463	while (%MAP_PREFETCH) {
		1464	for my $path (keys %MAP_PREFETCH) {
		1465	my $map = find $path
		1466	or next;
		1467	$map->load;
		1468
		1469	delete $MAP_PREFETCH{$path};
		1470	}
		1471	}
		1472	undef $MAP_PREFETCHER;
		1473	};
		1474
		1475	()
		1476	}
		1477
1383	sub save {	1478	sub save {
1384	my ($self) = @_;	1479	my ($self) = @_;
1385		1480
1386	my $lock = cf::lock_acquire "map_data:" . $self->path;	1481	my $lock = cf::lock_acquire "map_data:" . $self->path;
1387		1482
1388	$self->{last_save} = $cf::RUNTIME;	1483	$self->{last_save} = $cf::RUNTIME;
1389		1484
1390	return unless $self->dirty;	1485	return unless $self->dirty;
1391		1486
1392	my $save = $self->{path}->save_path; utf8::encode $save;	1487	my $save = $self->save_path; utf8::encode $save;
1393	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1488	my $uniq = $self->uniq_path; utf8::encode $uniq;
1394		1489
1395	$self->{load_path} = $save;	1490	$self->{load_path} = $save;
1396		1491
1397	return if $self->{deny_save};	1492	return if $self->{deny_save};
1398		1493
…		…
1401	cf::async {	1496	cf::async {
1402	$_->contr->save for $self->players;	1497	$_->contr->save for $self->players;
1403	};	1498	};
1404		1499
1405	if ($uniq) {	1500	if ($uniq) {
1406	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1501	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1407	$self->save_objects ($uniq, cf::IO_UNIQUES);	1502	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1408	} else {	1503	} else {
1409	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1504	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1410	}	1505	}
1411	}	1506	}
1412		1507
1413	sub swap_out {	1508	sub swap_out {
1414	my ($self) = @_;	1509	my ($self) = @_;
…		…
1428		1523
1429	sub reset_at {	1524	sub reset_at {
1430	my ($self) = @_;	1525	my ($self) = @_;
1431		1526
1432	# TODO: safety, remove and allow resettable per-player maps	1527	# TODO: safety, remove and allow resettable per-player maps
1433	return 1e99 if $self->{path}{user_rel};	1528	return 1e99 if $self->isa ("ext::map_per_player");#d#
1434	return 1e99 if $self->{deny_reset};	1529	return 1e99 if $self->{deny_reset};
1435		1530
1436	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1531	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1437	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1532	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1438		1533
…		…
1443	my ($self) = @_;	1538	my ($self) = @_;
1444		1539
1445	$self->reset_at <= $cf::RUNTIME	1540	$self->reset_at <= $cf::RUNTIME
1446	}	1541	}
1447		1542
1448	sub unlink_save {
1449	my ($self) = @_;
1450
1451	utf8::encode (my $save = $self->{path}->save_path);
1452	aioreq_pri 3; IO::AIO::aio_unlink $save;
1453	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1454	}
1455
1456	sub rename {
1457	my ($self, $new_path) = @_;
1458
1459	$self->unlink_save;
1460
1461	delete $cf::MAP{$self->path};
1462	$self->{path} = new cf::path $new_path;
1463	$self->path ($self->{path}->as_string);
1464	$cf::MAP{$self->path} = $self;
1465
1466	$self->save;
1467	}
1468
1469	sub reset {	1543	sub reset {
1470	my ($self) = @_;	1544	my ($self) = @_;
1471		1545
1472	my $lock = cf::lock_acquire "map_data:" . $self->path;	1546	my $lock = cf::lock_acquire "map_data:$self->{path}";
1473		1547
1474	return if $self->players;	1548	return if $self->players;
1475	return if $self->{path}{user_rel};#d#	1549	return if $self->isa ("ext::map_per_player");#d#
1476		1550
1477	warn "resetting map ", $self->path;#d#	1551	warn "resetting map ", $self->path;#d#
1478		1552
1479	delete $cf::MAP{$self->path};	1553	delete $cf::MAP{$self->path};
		1554
		1555	$self->in_memory (cf::MAP_SWAPPED);
		1556	$self->clear;
1480		1557
1481	$_->clear_links_to ($self) for values %cf::MAP;	1558	$_->clear_links_to ($self) for values %cf::MAP;
1482		1559
1483	$self->unlink_save;	1560	$self->unlink_save;
1484	$self->destroy;	1561	$self->destroy;
…		…
1487	my $nuke_counter = "aaaa";	1564	my $nuke_counter = "aaaa";
1488		1565
1489	sub nuke {	1566	sub nuke {
1490	my ($self) = @_;	1567	my ($self) = @_;
1491		1568
		1569	delete $cf::MAP{$self->path};
		1570
		1571	$self->unlink_save;
		1572
		1573	bless $self, "cf::map";
		1574	delete $self->{deny_reset};
1492	$self->{deny_save} = 1;	1575	$self->{deny_save} = 1;
1493	$self->reset_timeout (1);	1576	$self->reset_timeout (1);
1494	$self->rename ("{nuke}/" . ($nuke_counter++));	1577	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1578
		1579	$cf::MAP{$self->path} = $self;
		1580
1495	$self->reset; # polite request, might not happen	1581	$self->reset; # polite request, might not happen
1496	}	1582	}
1497		1583
1498	sub customise_for {	1584	=item cf::map::unique_maps
1499	my ($map, $ob) = @_;
1500		1585
1501	if ($map->per_player) {	1586	Returns an arrayref of paths of all shared maps that have
1502	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1587	instantiated unique items. May block.
1503	}
1504		1588
1505	$map	1589	=cut
1506	}
1507		1590
1508	sub emergency_save {	1591	sub unique_maps() {
1509	my $freeze_guard = cf::freeze_mainloop;	1592	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1593	or return;
1510		1594
1511	warn "enter emergency perl save\n";	1595	my @paths;
1512		1596
1513	cf::sync_job {	1597	for (@$files) {
1514	warn "begin emergency player save\n";	1598	utf8::decode $_;
1515	$_->save for values %cf::PLAYER;	1599	next if /\.pst$/;
1516	warn "end emergency player save\n";	1600	next unless /^$PATH_SEP/o;
1517		1601
1518	warn "begin emergency map save\n";	1602	s/\.map$//;
1519	$_->save for values %cf::MAP;	1603	push @paths, $_;
1520	warn "end emergency map save\n";
1521	};	1604	}
1522		1605
1523	warn "leave emergency perl save\n";	1606	\@paths
1524	}	1607	}
1525		1608
1526	package cf;	1609	package cf;
1527		1610
1528	=back	1611	=back
1529		1612
		1613	=head3 cf::object
		1614
		1615	=cut
		1616
		1617	package cf::object;
		1618
		1619	=over 4
		1620
		1621	=item $ob->inv_recursive
		1622
		1623	Returns the inventory of the object _and_ their inventories, recursively.
		1624
		1625	=cut
		1626
		1627	sub inv_recursive_;
		1628	sub inv_recursive_ {
		1629	map { $_, inv_recursive_ $_->inv } @_
		1630	}
		1631
		1632	sub inv_recursive {
		1633	inv_recursive_ inv $_[0]
		1634	}
		1635
		1636	package cf;
		1637
		1638	=back
1530		1639
1531	=head3 cf::object::player	1640	=head3 cf::object::player
1532		1641
1533	=over 4	1642	=over 4
1534		1643
…		…
1574		1683
1575	=item $player_object->enter_link	1684	=item $player_object->enter_link
1576		1685
1577	Freezes the player and moves him/her to a special map (C<{link}>).	1686	Freezes the player and moves him/her to a special map (C<{link}>).
1578		1687
1579	The player should be reaosnably safe there for short amounts of time. You	1688	The player should be reasonably safe there for short amounts of time. You
1580	I<MUST> call C<leave_link> as soon as possible, though.	1689	I<MUST> call C<leave_link> as soon as possible, though.
1581		1690
		1691	Will never block.
		1692
1582	=item $player_object->leave_link ($map, $x, $y)	1693	=item $player_object->leave_link ($map, $x, $y)
1583		1694
1584	Moves the player out of the specila link map onto the given map. If the	1695	Moves the player out of the special C<{link}> map onto the specified
1585	map is not valid (or omitted), the player will be moved back to the	1696	map. If the map is not valid (or omitted), the player will be moved back
1586	location he/she was before the call to C<enter_link>, or, if that fails,	1697	to the location he/she was before the call to C<enter_link>, or, if that
1587	to the emergency map position.	1698	fails, to the emergency map position.
1588		1699
1589	Might block.	1700	Might block.
1590		1701
1591	=cut	1702	=cut
		1703
		1704	sub link_map {
		1705	unless ($LINK_MAP) {
		1706	$LINK_MAP = cf::map::find "{link}"
		1707	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
		1708	$LINK_MAP->load;
		1709	}
		1710
		1711	$LINK_MAP
		1712	}
1592		1713
1593	sub cf::object::player::enter_link {	1714	sub cf::object::player::enter_link {
1594	my ($self) = @_;	1715	my ($self) = @_;
1595		1716
1596	$self->deactivate_recursive;	1717	$self->deactivate_recursive;
1597		1718
1598	return if $self->map == $LINK_MAP;	1719	return if UNIVERSAL::isa $self->map, "ext::map_link";
1599		1720
1600	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1721	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1601	if $self->map;	1722	if $self->map;
1602		1723
1603	$self->enter_map ($LINK_MAP, 20, 20);	1724	$self->enter_map ($LINK_MAP || link_map, 20, 20);
1604	}	1725	}
1605		1726
1606	sub cf::object::player::leave_link {	1727	sub cf::object::player::leave_link {
1607	my ($self, $map, $x, $y) = @_;	1728	my ($self, $map, $x, $y) = @_;
1608		1729
…		…
1626	# use -1 or undef as default coordinates, not 0, 0	1747	# use -1 or undef as default coordinates, not 0, 0
1627	($x, $y) = ($map->enter_x, $map->enter_y)	1748	($x, $y) = ($map->enter_x, $map->enter_y)
1628	if $x <=0 && $y <= 0;	1749	if $x <=0 && $y <= 0;
1629		1750
1630	$map->load;	1751	$map->load;
		1752	$map->load_diag;
1631		1753
1632	return unless $self->contr->active;	1754	return unless $self->contr->active;
1633	$self->activate_recursive;	1755	$self->activate_recursive;
1634	$self->enter_map ($map, $x, $y);	1756	$self->enter_map ($map, $x, $y);
1635	}	1757	}
…		…
1674	my ($self, $path, $x, $y) = @_;	1796	my ($self, $path, $x, $y) = @_;
1675		1797
1676	$self->enter_link;	1798	$self->enter_link;
1677		1799
1678	(async {	1800	(async {
1679	$path = new cf::path $path;
1680
1681	my $map = cf::map::find $path->as_string;	1801	my $map = cf::map::find $path;
1682	$map = $map->customise_for ($self) if $map;	1802	$map = $map->customise_for ($self) if $map;
1683		1803
1684	# warn "entering ", $map->path, " at ($x, $y)\n"	1804	# warn "entering ", $map->path, " at ($x, $y)\n"
1685	# if $map;	1805	# if $map;
1686		1806
1687	$map or Carp::cluck ("oy");#d#
1688	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1807	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1689		1808
1690	$self->leave_link ($map, $x, $y);	1809	$self->leave_link ($map, $x, $y);
1691	})->prio (1);	1810	})->prio (1);
1692	}	1811	}
…		…
1697		1816
1698	sub parse_random_map_params {	1817	sub parse_random_map_params {
1699	my ($spec) = @_;	1818	my ($spec) = @_;
1700		1819
1701	my $rmp = { # defaults	1820	my $rmp = { # defaults
1702	xsize => 10,	1821	xsize => (cf::rndm 15, 40),
1703	ysize => 10,	1822	ysize => (cf::rndm 15, 40),
		1823	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1824	#layout => string,
1704	};	1825	};
1705		1826
1706	for (split /\n/, $spec) {	1827	for (split /\n/, $spec) {
1707	my ($k, $v) = split /\s+/, $_, 2;	1828	my ($k, $v) = split /\s+/, $_, 2;
1708		1829
…		…
1712	$rmp	1833	$rmp
1713	}	1834	}
1714		1835
1715	sub prepare_random_map {	1836	sub prepare_random_map {
1716	my ($exit) = @_;	1837	my ($exit) = @_;
		1838
		1839	my $guard = cf::lock_acquire "exit_prepare:$exit";
1717		1840
1718	# all this does is basically replace the /! path by	1841	# all this does is basically replace the /! path by
1719	# a new random map path (?random/...) with a seed	1842	# a new random map path (?random/...) with a seed
1720	# that depends on the exit object	1843	# that depends on the exit object
1721		1844
…		…
1730		1853
1731	$rmp->{random_seed} ||= $exit->random_seed;	1854	$rmp->{random_seed} ||= $exit->random_seed;
1732		1855
1733	my $data = cf::to_json $rmp;	1856	my $data = cf::to_json $rmp;
1734	my $md5 = Digest::MD5::md5_hex $data;	1857	my $md5 = Digest::MD5::md5_hex $data;
		1858	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1735		1859
1736	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1860	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1737	aio_write $fh, 0, (length $data), $data, 0;	1861	aio_write $fh, 0, (length $data), $data, 0;
		1862	undef $fh;
		1863	aio_rename "$meta~", $meta;
1738		1864
1739	$exit->slaying ("?random/$md5");	1865	$exit->slaying ("?random/$md5");
1740	$exit->msg (undef);	1866	$exit->msg (undef);
1741	}	1867	}
1742	}	1868	}
…		…
1752	$self->deactivate_recursive; # just to be sure	1878	$self->deactivate_recursive; # just to be sure
1753	unless (eval {	1879	unless (eval {
1754	prepare_random_map $exit	1880	prepare_random_map $exit
1755	if $exit->slaying eq "/!";	1881	if $exit->slaying eq "/!";
1756		1882
1757	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1883	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1758	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	1884	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1759		1885
1760	1;	1886	1;
1761	}) {	1887	}) {
1762	$self->message ("Something went wrong deep within the crossfire server. "	1888	$self->message ("Something went wrong deep within the crossfire server. "
1763	. "I'll try to bring you back to the map you were before. "	1889	. "I'll try to bring you back to the map you were before. "
1764	. "Please report this to the dungeon master",	1890	. "Please report this to the dungeon master!",
1765	cf::NDI_UNIQUE | cf::NDI_RED);	1891	cf::NDI_UNIQUE | cf::NDI_RED);
1766		1892
1767	warn "ERROR in enter_exit: $@";	1893	warn "ERROR in enter_exit: $@";
1768	$self->leave_link;	1894	$self->leave_link;
1769	}	1895	}
…		…
2052	sub db_sync() {	2178	sub db_sync() {
2053	db_save if $dirty;	2179	db_save if $dirty;
2054	undef $dirty;	2180	undef $dirty;
2055	}	2181	}
2056		2182
2057	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2183	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2058	db_sync;	2184	db_sync;
2059	});	2185	});
2060		2186
2061	sub db_dirty() {	2187	sub db_dirty() {
2062	$dirty = 1;	2188	$dirty = 1;
…		…
2112		2238
2113	sub main {	2239	sub main {
2114	# we must not ever block the main coroutine	2240	# we must not ever block the main coroutine
2115	local $Coro::idle = sub {	2241	local $Coro::idle = sub {
2116	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2242	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2243	(async {
2117	async { Event::one_event };	2244	Event::one_event;
		2245	})->prio (Coro::PRIO_MAX);
2118	};	2246	};
2119		2247
2120	cfg_load;	2248	cfg_load;
2121	db_load;	2249	db_load;
2122	load_extensions;	2250	load_extensions;
		2251
		2252	$TICK_WATCHER->start;
2123	Event::loop;	2253	Event::loop;
2124	}	2254	}
2125		2255
2126	#############################################################################	2256	#############################################################################
2127	# initialisation	2257	# initialisation and cleanup
		2258
		2259	# install some emergency cleanup handlers
		2260	BEGIN {
		2261	for my $signal (qw(INT HUP TERM)) {
		2262	Event->signal (
		2263	data => WF_AUTOCANCEL,
		2264	signal => $signal,
		2265	cb => sub {
		2266	cf::cleanup "SIG$signal";
		2267	},
		2268	);
		2269	}
		2270	}
		2271
		2272	sub emergency_save() {
		2273	my $freeze_guard = cf::freeze_mainloop;
		2274
		2275	warn "enter emergency perl save\n";
		2276
		2277	cf::sync_job {
		2278	# use a peculiar iteration method to avoid tripping on perl
		2279	# refcount bugs in for. also avoids problems with players
		2280	# and maps saved/destroyed asynchronously.
		2281	warn "begin emergency player save\n";
		2282	for my $login (keys %cf::PLAYER) {
		2283	my $pl = $cf::PLAYER{$login} or next;
		2284	$pl->valid or next;
		2285	$pl->save;
		2286	}
		2287	warn "end emergency player save\n";
		2288
		2289	warn "begin emergency map save\n";
		2290	for my $path (keys %cf::MAP) {
		2291	my $map = $cf::MAP{$path} or next;
		2292	$map->valid or next;
		2293	$map->save;
		2294	}
		2295	warn "end emergency map save\n";
		2296	};
		2297
		2298	warn "leave emergency perl save\n";
		2299	}
2128		2300
2129	sub reload() {	2301	sub reload() {
2130	# can/must only be called in main	2302	# can/must only be called in main
2131	if ($Coro::current != $Coro::main) {	2303	if ($Coro::current != $Coro::main) {
2132	warn "can only reload from main coroutine\n";	2304	warn "can only reload from main coroutine";
2133	return;	2305	return;
2134	}	2306	}
2135		2307
2136	warn "reloading...";	2308	warn "reloading...";
2137		2309
2138	my $guard = freeze_mainloop;	2310	warn "cancelling server ticker";
		2311	$TICK_WATCHER->cancel;
		2312
2139	cf::emergency_save;	2313	cf::emergency_save;
2140		2314
2141	eval {	2315	eval {
2142	# if anything goes wrong in here, we should simply crash as we already saved	2316	# if anything goes wrong in here, we should simply crash as we already saved
2143		2317
2144	# cancel all watchers	2318	warn "syncing database to disk";
		2319	cf::db_sync;
		2320
		2321	warn "cancelling all WF_AUTOCANCEL watchers";
2145	for (Event::all_watchers) {	2322	for (Event::all_watchers) {
2146	$_->cancel if $_->data & WF_AUTOCANCEL;	2323	$_->cancel if $_->data & WF_AUTOCANCEL;
2147	}	2324	}
2148		2325
		2326	warn "flushing outstanding aio requests";
		2327	for (;;) {
		2328	IO::AIO::flush;
		2329	Coro::cede;
		2330	last unless IO::AIO::nreqs;
		2331	warn "iterate...";
		2332	}
		2333
2149	# cancel all extension coros	2334	warn "cancelling all extension coros";
2150	$_->cancel for values %EXT_CORO;	2335	$_->cancel for values %EXT_CORO;
2151	%EXT_CORO = ();	2336	%EXT_CORO = ();
2152		2337
2153	# unload all extensions	2338	warn "removing commands";
2154	for (@exts) {	2339	%COMMAND = ();
		2340
		2341	warn "removing ext commands";
		2342	%EXTCMD = ();
		2343
		2344	warn "unloading/nuking all extensions";
		2345	for my $pkg (@EXTS) {
2155	warn "unloading <$_>";	2346	warn "... unloading $pkg";
2156	unload_extension $_;	2347
		2348	if (my $cb = $pkg->can ("unload")) {
		2349	eval {
		2350	$cb->($pkg);
		2351	1
		2352	} or warn "$pkg unloaded, but with errors: $@";
2157	}	2353	}
2158		2354
		2355	warn "... nuking $pkg";
		2356	Symbol::delete_package $pkg;
		2357	}
		2358
2159	# unload all modules loaded from $LIBDIR	2359	warn "unloading all perl modules loaded from $LIBDIR";
2160	while (my ($k, $v) = each %INC) {	2360	while (my ($k, $v) = each %INC) {
2161	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2361	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2162		2362
2163	warn "removing <$k>";	2363	warn "... unloading $k";
2164	delete $INC{$k};	2364	delete $INC{$k};
2165		2365
2166	$k =~ s/\.pm$//;	2366	$k =~ s/\.pm$//;
2167	$k =~ s/\//::/g;	2367	$k =~ s/\//::/g;
2168		2368
…		…
2171	}	2371	}
2172		2372
2173	Symbol::delete_package $k;	2373	Symbol::delete_package $k;
2174	}	2374	}
2175		2375
2176	# sync database to disk
2177	cf::db_sync;
2178	IO::AIO::flush;
2179
2180	# get rid of safe::, as good as possible	2376	warn "getting rid of safe::, as good as possible";
2181	Symbol::delete_package "safe::$_"	2377	Symbol::delete_package "safe::$_"
2182	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2378	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2183		2379
2184	# remove register_script_function callbacks
2185	# TODO
2186
2187	# unload cf.pm "a bit"	2380	warn "unloading cf.pm \"a bit\"";
2188	delete $INC{"cf.pm"};	2381	delete $INC{"cf.pm"};
2189		2382
2190	# don't, removes xs symbols, too,	2383	# don't, removes xs symbols, too,
2191	# and global variables created in xs	2384	# and global variables created in xs
2192	#Symbol::delete_package __PACKAGE__;	2385	#Symbol::delete_package __PACKAGE__;
2193		2386
2194	# reload cf.pm	2387	warn "unload completed, starting to reload now";
		2388
2195	warn "reloading cf.pm";	2389	warn "reloading cf.pm";
2196	require cf;	2390	require cf;
2197	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2391	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2198		2392
2199	# load config and database again	2393	warn "loading config and database again";
2200	cf::cfg_load;	2394	cf::cfg_load;
2201	cf::db_load;	2395	cf::db_load;
2202		2396
2203	# load extensions
2204	warn "load extensions";	2397	warn "loading extensions";
2205	cf::load_extensions;	2398	cf::load_extensions;
2206		2399
2207	# reattach attachments to objects	2400	warn "reattaching attachments to objects/players";
2208	warn "reattach";
2209	_global_reattach;	2401	_global_reattach;
		2402	warn "reattaching attachments to maps";
2210	reattach $_ for values %MAP;	2403	reattach $_ for values %MAP;
		2404
		2405	warn "restarting server ticker";
		2406
		2407	$TICK_WATCHER->start;
2211	};	2408	};
2212		2409
2213	if ($@) {	2410	if ($@) {
2214	warn $@;	2411	warn $@;
2215	warn "error while reloading, exiting.";	2412	warn "error while reloading, exiting.";
2216	exit 1;	2413	exit 1;
2217	}	2414	}
2218		2415
2219	warn "reloaded successfully";	2416	warn "reloaded";
2220	};	2417	};
2221		2418
2222	#############################################################################	2419	our $RELOAD_WATCHER; # used only during reload
2223
2224	unless ($LINK_MAP) {
2225	$LINK_MAP = cf::map::new;
2226
2227	$LINK_MAP->width (41);
2228	$LINK_MAP->height (41);
2229	$LINK_MAP->alloc;
2230	$LINK_MAP->path ("{link}");
2231	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2232	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2233
2234	# dirty hack because... archetypes are not yet loaded
2235	Event->timer (
2236	after => 10,
2237	cb => sub {
2238	$_[0]->w->cancel;
2239
2240	# provide some exits "home"
2241	my $exit = cf::object::new "exit";
2242
2243	$exit->slaying ($EMERGENCY_POSITION->[0]);
2244	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2245	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2246
2247	$LINK_MAP->insert ($exit->clone, 19, 19);
2248	$LINK_MAP->insert ($exit->clone, 19, 20);
2249	$LINK_MAP->insert ($exit->clone, 19, 21);
2250	$LINK_MAP->insert ($exit->clone, 20, 19);
2251	$LINK_MAP->insert ($exit->clone, 20, 21);
2252	$LINK_MAP->insert ($exit->clone, 21, 19);
2253	$LINK_MAP->insert ($exit->clone, 21, 20);
2254	$LINK_MAP->insert ($exit->clone, 21, 21);
2255
2256	$exit->destroy;
2257	});
2258
2259	$LINK_MAP->{deny_save} = 1;
2260	$LINK_MAP->{deny_reset} = 1;
2261
2262	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2263	}
2264
2265	register "<global>", __PACKAGE__;
2266		2420
2267	register_command "reload" => sub {	2421	register_command "reload" => sub {
2268	my ($who, $arg) = @_;	2422	my ($who, $arg) = @_;
2269		2423
2270	if ($who->flag (FLAG_WIZ)) {	2424	if ($who->flag (FLAG_WIZ)) {
2271	$who->message ("start of reload.");	2425	$who->message ("reloading server.");
		2426
		2427	# doing reload synchronously and two reloads happen back-to-back,
		2428	# coro crashes during coro_state_free->destroy here.
		2429
		2430	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2272	reload;	2431	reload;
2273	$who->message ("end of reload.");	2432	undef $RELOAD_WATCHER;
		2433	});
2274	}	2434	}
2275	};	2435	};
2276		2436
2277	unshift @INC, $LIBDIR;	2437	unshift @INC, $LIBDIR;
		2438
		2439	my $bug_warning = 0;
2278		2440
2279	$TICK_WATCHER = Event->timer (	2441	$TICK_WATCHER = Event->timer (
2280	reentrant => 0,	2442	reentrant => 0,
		2443	parked => 1,
2281	prio => 0,	2444	prio => 0,
2282	at => $NEXT_TICK || $TICK,	2445	at => $NEXT_TICK || $TICK,
2283	data => WF_AUTOCANCEL,	2446	data => WF_AUTOCANCEL,
2284	cb => sub {	2447	cb => sub {
		2448	if ($Coro::current != $Coro::main) {
		2449	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2450	unless ++$bug_warning > 10;
		2451	return;
		2452	}
		2453
		2454	$NOW = Event::time;
		2455
2285	cf::server_tick; # one server iteration	2456	cf::server_tick; # one server iteration
2286	$RUNTIME += $TICK;	2457	$RUNTIME += $TICK;
2287	$NEXT_TICK += $TICK;	2458	$NEXT_TICK += $TICK;
		2459
		2460	$WAIT_FOR_TICK->broadcast;
		2461	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2288		2462
2289	# if we are delayed by four ticks or more, skip them all	2463	# if we are delayed by four ticks or more, skip them all
2290	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2464	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2291		2465
2292	$TICK_WATCHER->at ($NEXT_TICK);	2466	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2294	},	2468	},
2295	);	2469	);
2296		2470
2297	IO::AIO::max_poll_time $TICK * 0.2;	2471	IO::AIO::max_poll_time $TICK * 0.2;
2298		2472
2299	Event->io (	2473	$AIO_POLL_WATCHER = Event->io (
2300	fd => IO::AIO::poll_fileno,	2474	fd => IO::AIO::poll_fileno,
2301	poll => 'r',	2475	poll => 'r',
2302	prio => 5,	2476	prio => 5,
2303	data => WF_AUTOCANCEL,	2477	data => WF_AUTOCANCEL,
2304	cb => \&IO::AIO::poll_cb,	2478	cb => \&IO::AIO::poll_cb,
2305	);	2479	);
2306		2480
2307	Event->timer (	2481	$WRITE_RUNTIME_WATCHER = Event->timer (
2308	data => WF_AUTOCANCEL,	2482	data => WF_AUTOCANCEL,
2309	after => 0,	2483	after => 1,
2310	interval => 10,	2484	interval => 10,
2311	cb => sub {	2485	prio => 6, # keep it lowest so it acts like a watchdog
2312	(Coro::unblock_sub {	2486	cb => Coro::unblock_sub {
2313	write_runtime	2487	write_runtime
2314	or warn "ERROR: unable to write runtime file: $!";	2488	or warn "ERROR: unable to write runtime file: $!";
2315	})->();
2316	},	2489	},
2317	);	2490	);
2318		2491
2319	END { cf::emergency_save }	2492	END { cf::emergency_save }
2320		2493

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