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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.151 by root, Mon Jan 8 20:59:15 2007 UTC vs.
Revision 1.187 by root, Sat Jan 20 21:06:52 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}), $rmp->{custom}
		1142	)
		1143	}
		1144
		1145	=item cf::map->register ($regex, $prio)
		1146
		1147	Register a handler for the map path matching the given regex at the
		1148	givne priority (higher is better, built-in handlers have priority 0, the
		1149	default).
		1150
		1151	=cut
		1152
		1153	sub register {
		1154	my (undef, $regex, $prio) = @_;
		1155	my $pkg = caller;
		1156
		1157	no strict;
		1158	push @{"$pkg\::ISA"}, __PACKAGE__;
		1159
		1160	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1161	}
		1162
		1163	# also paths starting with '/'
		1164	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1165
		1166	sub thawer_merge {
		1167	my ($self, $merge) = @_;
		1168
		1169	# we have to keep some variables in memory intact
		1170	local $self->{path};
		1171	local $self->{load_path};
		1172	local $self->{deny_save};
		1173	local $self->{deny_reset};
		1174
		1175	$self->SUPER::thawer_merge ($merge);
		1176	}
		1177
		1178	sub normalise {
		1179	my ($path, $base) = @_;
		1180
		1181	# map plan:
		1182	#
		1183	# /! non-realised random map exit (special hack!)
		1184	# {... are special paths that are not being touched
		1185	# ?xxx/... are special absolute paths
		1186	# ?random/... random maps
		1187	# /... normal maps
		1188	# ~user/... per-player map of a specific user
		1189
		1190	$path =~ s/$PATH_SEP/\//go;
		1191
		1192	# treat it as relative path if it starts with
		1193	# something that looks reasonable
		1194	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1195	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1196
		1197	$base =~ s{[^/]+/?$}{};
		1198	$path = "$base/$path";
		1199	}
		1200
		1201	for ($path) {
		1202	redo if s{//}{/};
		1203	redo if s{/\.?/}{/};
		1204	redo if s{/[^/]+/\.\./}{/};
		1205	}
		1206
		1207	$path
		1208	}
		1209
		1210	sub new_from_path {
		1211	my (undef, $path, $base) = @_;
		1212
		1213	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1214
		1215	$path = normalise $path, $base;
		1216
		1217	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1218	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1219	my $self = bless cf::map::new, $pkg;
		1220	$self->{path} = $path; $self->path ($path);
		1221	$self->init; # pass $1 etc.
		1222	return $self;
		1223	}
		1224	}
		1225
		1226	Carp::carp "unable to resolve path '$path'.";
		1227	()
		1228	}
		1229
		1230	sub init {
		1231	my ($self) = @_;
		1232
		1233	$self
		1234	}
		1235
		1236	sub as_string {
		1237	my ($self) = @_;
		1238
		1239	"$self->{path}"
		1240	}
		1241
		1242	# the displayed name, this is a one way mapping
		1243	sub visible_name {
		1244	&as_string
		1245	}
		1246
		1247	# the original (read-only) location
		1248	sub load_path {
		1249	my ($self) = @_;
		1250
		1251	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		1252	}
		1253
		1254	# the temporary/swap location
		1255	sub save_path {
		1256	my ($self) = @_;
		1257
		1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1259	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
		1260	}
		1261
		1262	# the unique path, undef == no special unique path
		1263	sub uniq_path {
		1264	my ($self) = @_;
		1265
		1266	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1267	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1231	}	1268	}
1232		1269
1233	# and all this just because we cannot iterate over	1270	# and all this just because we cannot iterate over
1234	# all maps in C++...	1271	# all maps in C++...
1235	sub change_all_map_light {	1272	sub change_all_map_light {
…		…
1237		1274
1238	$_->change_map_light ($change)	1275	$_->change_map_light ($change)
1239	for grep $_->outdoor, values %cf::MAP;	1276	for grep $_->outdoor, values %cf::MAP;
1240	}	1277	}
1241		1278
		1279	sub unlink_save {
		1280	my ($self) = @_;
		1281
		1282	utf8::encode (my $save = $self->save_path);
		1283	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1284	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1285	}
		1286
1242	sub try_load_header($) {	1287	sub load_header_from($) {
1243	my ($path) = @_;	1288	my ($self, $path) = @_;
1244		1289
1245	utf8::encode $path;	1290	utf8::encode $path;
1246	aio_open $path, O_RDONLY, 0	1291	aio_open $path, O_RDONLY, 0
1247	or return;	1292	or return;
1248		1293
1249	my $map = cf::map::new	1294	$self->_load_header ($path)
1250	or return;	1295	or return;
1251		1296
1252	# for better error messages only, will be overwritten	1297	$self->{load_path} = $path;
1253	$map->path ($path);
1254		1298
1255	$map->load_header ($path)	1299	1
		1300	}
		1301
		1302	sub load_orig {
		1303	my ($self) = @_;
		1304
		1305	$self->load_header_from ($self->load_path)
		1306	}
		1307
		1308	sub load_temp {
		1309	my ($self) = @_;
		1310
		1311	$self->load_header_from ($self->save_path)
		1312	}
		1313
		1314	sub load_header {
		1315	my ($self) = @_;
		1316
		1317	if ($self->load_temp) {
		1318	$self->last_access ((delete $self->{last_access})
		1319	|| $cf::RUNTIME); #d#
		1320	# safety
		1321	$self->{instantiate_time} = $cf::RUNTIME
		1322	if $self->{instantiate_time} > $cf::RUNTIME;
		1323	} else {
		1324	$self->load_orig
1256	or return;	1325	or return;
1257		1326
1258	$map->{load_path} = $path;	1327	$self->{load_original} = 1;
		1328	$self->{instantiate_time} = $cf::RUNTIME;
		1329	$self->last_access ($cf::RUNTIME);
		1330	$self->instantiate;
		1331	}
1259		1332
1260	$map	1333	1
1261	}	1334	}
1262		1335
1263	sub find;	1336	sub find;
1264	sub find {	1337	sub find {
1265	my ($path, $origin) = @_;	1338	my ($path, $origin) = @_;
1266		1339
1267	#warn "find<$path,$origin>\n";#d#
1268
1269	$path = new cf::path $path, $origin && $origin->path;	1340	$path = normalise $path, $origin && $origin->path;
1270	my $key = $path->as_string;
1271		1341
1272	cf::lock_wait "map_find:$key";	1342	cf::lock_wait "map_find:$path";
1273		1343
1274	$cf::MAP{$key} || do {	1344	$cf::MAP{$path} || do {
1275	my $guard = cf::lock_acquire "map_find:$key";	1345	my $guard = cf::lock_acquire "map_find:$path";
1276		1346	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;	1347	or return;
1296		1348
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;	1349	$map->{last_save} = $cf::RUNTIME;
1309		1350
1310	Coro::cede;	1351	$map->load_header
		1352	or return;
1311		1353
1312	if ($map->should_reset) {	1354	if ($map->should_reset) {
		1355	# doing this can freeze the server in a sync job, obviously
		1356	#$cf::WAIT_FOR_TICK->wait;
1313	$map->reset;	1357	$map->reset;
1314	undef $guard;	1358	undef $guard;
1315	$map = find $path	1359	$map = find $path
1316	or return;	1360	or return;
1317	}	1361	}
1318		1362
1319	$cf::MAP{$key} = $map	1363	$cf::MAP{$path} = $map
1320	}	1364	}
1321	}	1365	}
1322		1366
1323	sub load {	1367	sub load {
1324	my ($self) = @_;	1368	my ($self) = @_;
1325		1369
1326	my $path = $self->{path};	1370	my $path = $self->{path};
1327	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1371	my $guard = cf::lock_acquire "map_load:$path";
1328		1372
1329	return if $self->in_memory != cf::MAP_SWAPPED;	1373	return if $self->in_memory != cf::MAP_SWAPPED;
1330		1374
1331	$self->in_memory (cf::MAP_LOADING);	1375	$self->in_memory (cf::MAP_LOADING);
1332		1376
1333	$self->alloc;	1377	$self->alloc;
1334	$self->load_objects ($self->{load_path}, 1)	1378	$self->_load_objects ($self->{load_path}, 1)
1335	or return;	1379	or return;
1336		1380
1337	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1381	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1338	if delete $self->{load_original};	1382	if delete $self->{load_original};
1339		1383
1340	if (my $uniq = $path->uniq_path) {	1384	if (my $uniq = $self->uniq_path) {
1341	utf8::encode $uniq;	1385	utf8::encode $uniq;
1342	if (aio_open $uniq, O_RDONLY, 0) {	1386	if (aio_open $uniq, O_RDONLY, 0) {
1343	$self->clear_unique_items;	1387	$self->clear_unique_items;
1344	$self->load_objects ($uniq, 0);	1388	$self->_load_objects ($uniq, 0);
1345	}	1389	}
1346	}	1390	}
1347		1391
1348	Coro::cede;	1392	Coro::cede;
1349		1393
1350	# now do the right thing for maps	1394	# now do the right thing for maps
1351	$self->link_multipart_objects;	1395	$self->link_multipart_objects;
1352		1396
1353	if ($self->{path}->is_style_map) {	1397	unless ($self->{deny_activate}) {
1354	$self->{deny_save} = 1;	1398	$self->decay_objects;
1355	$self->{deny_reset} = 1;
1356	} else {
1357	$self->fix_auto_apply;	1399	$self->fix_auto_apply;
1358	$self->decay_objects;
1359	$self->update_buttons;	1400	$self->update_buttons;
		1401	Coro::cede;
1360	$self->set_darkness_map;	1402	$self->set_darkness_map;
1361	$self->difficulty ($self->estimate_difficulty)	1403	$self->difficulty ($self->estimate_difficulty)
1362	unless $self->difficulty;	1404	unless $self->difficulty;
		1405	Coro::cede;
1363	$self->activate;	1406	$self->activate;
1364	}	1407	}
1365		1408
1366	Coro::cede;
1367
1368	$self->in_memory (cf::MAP_IN_MEMORY);	1409	$self->in_memory (cf::MAP_IN_MEMORY);
		1410	}
		1411
		1412	sub customise_for {
		1413	my ($self, $ob) = @_;
		1414
		1415	return find "~" . $ob->name . "/" . $self->{path}
		1416	if $self->per_player;
		1417
		1418	$self
		1419	}
		1420
		1421	# find and load all maps in the 3x3 area around a map
		1422	sub load_diag {
		1423	my ($map) = @_;
		1424
		1425	my @diag; # diagonal neighbours
		1426
		1427	for (0 .. 3) {
		1428	my $neigh = $map->tile_path ($_)
		1429	or next;
		1430	$neigh = find $neigh, $map
		1431	or next;
		1432	$neigh->load;
		1433
		1434	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1435	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1436	}
		1437
		1438	for (@diag) {
		1439	my $neigh = find @$_
		1440	or next;
		1441	$neigh->load;
		1442	}
1369	}	1443	}
1370		1444
1371	sub find_sync {	1445	sub find_sync {
1372	my ($path, $origin) = @_;	1446	my ($path, $origin) = @_;
1373		1447
1374	cf::sync_job { cf::map::find $path, $origin }	1448	cf::sync_job { find $path, $origin }
1375	}	1449	}
1376		1450
1377	sub do_load_sync {	1451	sub do_load_sync {
1378	my ($map) = @_;	1452	my ($map) = @_;
1379		1453
1380	cf::sync_job { $map->load };	1454	cf::sync_job { $map->load };
1381	}	1455	}
1382		1456
		1457	our %MAP_PREFETCH;
		1458	our $MAP_PREFETCHER = undef;
		1459
		1460	sub find_async {
		1461	my ($path, $origin) = @_;
		1462
		1463	$path = normalise $path, $origin && $origin->{path};
		1464
		1465	if (my $map = $cf::MAP{$path}) {
		1466	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1467	}
		1468
		1469	undef $MAP_PREFETCH{$path};
		1470	$MAP_PREFETCHER ||= cf::async {
		1471	while (%MAP_PREFETCH) {
		1472	for my $path (keys %MAP_PREFETCH) {
		1473	my $map = find $path
		1474	or next;
		1475	$map->load;
		1476
		1477	delete $MAP_PREFETCH{$path};
		1478	}
		1479	}
		1480	undef $MAP_PREFETCHER;
		1481	};
		1482
		1483	()
		1484	}
		1485
1383	sub save {	1486	sub save {
1384	my ($self) = @_;	1487	my ($self) = @_;
1385		1488
1386	my $lock = cf::lock_acquire "map_data:" . $self->path;	1489	my $lock = cf::lock_acquire "map_data:" . $self->path;
1387		1490
1388	$self->{last_save} = $cf::RUNTIME;	1491	$self->{last_save} = $cf::RUNTIME;
1389		1492
1390	return unless $self->dirty;	1493	return unless $self->dirty;
1391		1494
1392	my $save = $self->{path}->save_path; utf8::encode $save;	1495	my $save = $self->save_path; utf8::encode $save;
1393	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1496	my $uniq = $self->uniq_path; utf8::encode $uniq;
1394		1497
1395	$self->{load_path} = $save;	1498	$self->{load_path} = $save;
1396		1499
1397	return if $self->{deny_save};	1500	return if $self->{deny_save};
1398		1501
…		…
1401	cf::async {	1504	cf::async {
1402	$_->contr->save for $self->players;	1505	$_->contr->save for $self->players;
1403	};	1506	};
1404		1507
1405	if ($uniq) {	1508	if ($uniq) {
1406	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1509	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1407	$self->save_objects ($uniq, cf::IO_UNIQUES);	1510	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1408	} else {	1511	} else {
1409	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1512	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1410	}	1513	}
1411	}	1514	}
1412		1515
1413	sub swap_out {	1516	sub swap_out {
1414	my ($self) = @_;	1517	my ($self) = @_;
…		…
1428		1531
1429	sub reset_at {	1532	sub reset_at {
1430	my ($self) = @_;	1533	my ($self) = @_;
1431		1534
1432	# TODO: safety, remove and allow resettable per-player maps	1535	# TODO: safety, remove and allow resettable per-player maps
1433	return 1e99 if $self->{path}{user_rel};	1536	return 1e99 if $self->isa ("ext::map_per_player");#d#
1434	return 1e99 if $self->{deny_reset};	1537	return 1e99 if $self->{deny_reset};
1435		1538
1436	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1539	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1437	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1540	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1438		1541
…		…
1443	my ($self) = @_;	1546	my ($self) = @_;
1444		1547
1445	$self->reset_at <= $cf::RUNTIME	1548	$self->reset_at <= $cf::RUNTIME
1446	}	1549	}
1447		1550
1448	sub unlink_save {
1449	my ($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	$self->save;
1467	}
1468
1469	sub reset {	1551	sub reset {
1470	my ($self) = @_;	1552	my ($self) = @_;
1471		1553
1472	my $lock = cf::lock_acquire "map_data:" . $self->path;	1554	my $lock = cf::lock_acquire "map_data:$self->{path}";
1473		1555
1474	return if $self->players;	1556	return if $self->players;
1475	return if $self->{path}{user_rel};#d#	1557	return if $self->isa ("ext::map_per_player");#d#
1476		1558
1477	warn "resetting map ", $self->path;#d#	1559	warn "resetting map ", $self->path;#d#
1478		1560
1479	delete $cf::MAP{$self->path};	1561	delete $cf::MAP{$self->path};
		1562
		1563	$self->in_memory (cf::MAP_SWAPPED);
		1564	$self->clear;
1480		1565
1481	$_->clear_links_to ($self) for values %cf::MAP;	1566	$_->clear_links_to ($self) for values %cf::MAP;
1482		1567
1483	$self->unlink_save;	1568	$self->unlink_save;
1484	$self->destroy;	1569	$self->destroy;
…		…
1487	my $nuke_counter = "aaaa";	1572	my $nuke_counter = "aaaa";
1488		1573
1489	sub nuke {	1574	sub nuke {
1490	my ($self) = @_;	1575	my ($self) = @_;
1491		1576
		1577	delete $cf::MAP{$self->path};
		1578
		1579	$self->unlink_save;
		1580
		1581	bless $self, "cf::map";
		1582	delete $self->{deny_reset};
1492	$self->{deny_save} = 1;	1583	$self->{deny_save} = 1;
1493	$self->reset_timeout (1);	1584	$self->reset_timeout (1);
1494	$self->rename ("{nuke}/" . ($nuke_counter++));	1585	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1586
		1587	$cf::MAP{$self->path} = $self;
		1588
1495	$self->reset; # polite request, might not happen	1589	$self->reset; # polite request, might not happen
1496	}	1590	}
1497		1591
1498	sub customise_for {	1592	=item cf::map::unique_maps
1499	my ($map, $ob) = @_;
1500		1593
1501	if ($map->per_player) {	1594	Returns an arrayref of paths of all shared maps that have
1502	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1595	instantiated unique items. May block.
1503	}
1504		1596
1505	$map	1597	=cut
1506	}
1507		1598
1508	sub emergency_save {	1599	sub unique_maps() {
1509	my $freeze_guard = cf::freeze_mainloop;	1600	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1601	or return;
1510		1602
1511	warn "enter emergency perl save\n";	1603	my @paths;
1512		1604
1513	cf::sync_job {	1605	for (@$files) {
1514	warn "begin emergency player save\n";	1606	utf8::decode $_;
1515	$_->save for values %cf::PLAYER;	1607	next if /\.pst$/;
1516	warn "end emergency player save\n";	1608	next unless /^$PATH_SEP/o;
1517		1609
1518	warn "begin emergency map save\n";	1610	s/\.map$//;
1519	$_->save for values %cf::MAP;	1611	push @paths, $_;
1520	warn "end emergency map save\n";
1521	};	1612	}
1522		1613
1523	warn "leave emergency perl save\n";	1614	\@paths
1524	}	1615	}
1525		1616
1526	package cf;	1617	package cf;
1527		1618
1528	=back	1619	=back
1529		1620
		1621	=head3 cf::object
		1622
		1623	=cut
		1624
		1625	package cf::object;
		1626
		1627	=over 4
		1628
		1629	=item $ob->inv_recursive
		1630
		1631	Returns the inventory of the object _and_ their inventories, recursively.
		1632
		1633	=cut
		1634
		1635	sub inv_recursive_;
		1636	sub inv_recursive_ {
		1637	map { $_, inv_recursive_ $_->inv } @_
		1638	}
		1639
		1640	sub inv_recursive {
		1641	inv_recursive_ inv $_[0]
		1642	}
		1643
		1644	package cf;
		1645
		1646	=back
1530		1647
1531	=head3 cf::object::player	1648	=head3 cf::object::player
1532		1649
1533	=over 4	1650	=over 4
1534		1651
…		…
1574		1691
1575	=item $player_object->enter_link	1692	=item $player_object->enter_link
1576		1693
1577	Freezes the player and moves him/her to a special map (C<{link}>).	1694	Freezes the player and moves him/her to a special map (C<{link}>).
1578		1695
1579	The player should be reaosnably safe there for short amounts of time. You	1696	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.	1697	I<MUST> call C<leave_link> as soon as possible, though.
1581		1698
		1699	Will never block.
		1700
1582	=item $player_object->leave_link ($map, $x, $y)	1701	=item $player_object->leave_link ($map, $x, $y)
1583		1702
1584	Moves the player out of the specila link map onto the given map. If the	1703	Moves the player out of the special C<{link}> map onto the specified
1585	map is not valid (or omitted), the player will be moved back to the	1704	map. If the map is not valid (or omitted), the player will be moved back
1586	location he/she was before the call to C<enter_link>, or, if that fails,	1705	to the location he/she was before the call to C<enter_link>, or, if that
1587	to the emergency map position.	1706	fails, to the emergency map position.
1588		1707
1589	Might block.	1708	Might block.
1590		1709
1591	=cut	1710	=cut
		1711
		1712	sub link_map {
		1713	unless ($LINK_MAP) {
		1714	$LINK_MAP = cf::map::find "{link}"
		1715	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
		1716	$LINK_MAP->load;
		1717	}
		1718
		1719	$LINK_MAP
		1720	}
1592		1721
1593	sub cf::object::player::enter_link {	1722	sub cf::object::player::enter_link {
1594	my ($self) = @_;	1723	my ($self) = @_;
1595		1724
1596	$self->deactivate_recursive;	1725	$self->deactivate_recursive;
1597		1726
1598	return if $self->map == $LINK_MAP;	1727	return if UNIVERSAL::isa $self->map, "ext::map_link";
1599		1728
1600	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1729	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1601	if $self->map;	1730	if $self->map;
1602		1731
1603	$self->enter_map ($LINK_MAP, 20, 20);	1732	$self->enter_map ($LINK_MAP || link_map, 20, 20);
1604	}	1733	}
1605		1734
1606	sub cf::object::player::leave_link {	1735	sub cf::object::player::leave_link {
1607	my ($self, $map, $x, $y) = @_;	1736	my ($self, $map, $x, $y) = @_;
1608		1737
…		…
1626	# use -1 or undef as default coordinates, not 0, 0	1755	# use -1 or undef as default coordinates, not 0, 0
1627	($x, $y) = ($map->enter_x, $map->enter_y)	1756	($x, $y) = ($map->enter_x, $map->enter_y)
1628	if $x <=0 && $y <= 0;	1757	if $x <=0 && $y <= 0;
1629		1758
1630	$map->load;	1759	$map->load;
		1760	$map->load_diag;
1631		1761
1632	return unless $self->contr->active;	1762	return unless $self->contr->active;
1633	$self->activate_recursive;	1763	$self->activate_recursive;
1634	$self->enter_map ($map, $x, $y);	1764	$self->enter_map ($map, $x, $y);
1635	}	1765	}
…		…
1674	my ($self, $path, $x, $y) = @_;	1804	my ($self, $path, $x, $y) = @_;
1675		1805
1676	$self->enter_link;	1806	$self->enter_link;
1677		1807
1678	(async {	1808	(async {
1679	$path = new cf::path $path;
1680
1681	my $map = cf::map::find $path->as_string;	1809	my $map = cf::map::find $path;
1682	$map = $map->customise_for ($self) if $map;	1810	$map = $map->customise_for ($self) if $map;
1683		1811
1684	# warn "entering ", $map->path, " at ($x, $y)\n"	1812	# warn "entering ", $map->path, " at ($x, $y)\n"
1685	# if $map;	1813	# if $map;
1686		1814
1687	$map or $map->cluck ("oy");#d#
1688	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1815	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1689		1816
1690	$self->leave_link ($map, $x, $y);	1817	$self->leave_link ($map, $x, $y);
1691	})->prio (1);	1818	})->prio (1);
1692	}	1819	}
…		…
1697		1824
1698	sub parse_random_map_params {	1825	sub parse_random_map_params {
1699	my ($spec) = @_;	1826	my ($spec) = @_;
1700		1827
1701	my $rmp = { # defaults	1828	my $rmp = { # defaults
1702	xsize => 10,	1829	xsize => (cf::rndm 15, 40),
1703	ysize => 10,	1830	ysize => (cf::rndm 15, 40),
		1831	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1832	#layout => string,
1704	};	1833	};
1705		1834
1706	for (split /\n/, $spec) {	1835	for (split /\n/, $spec) {
1707	my ($k, $v) = split /\s+/, $_, 2;	1836	my ($k, $v) = split /\s+/, $_, 2;
1708		1837
…		…
1712	$rmp	1841	$rmp
1713	}	1842	}
1714		1843
1715	sub prepare_random_map {	1844	sub prepare_random_map {
1716	my ($exit) = @_;	1845	my ($exit) = @_;
		1846
		1847	my $guard = cf::lock_acquire "exit_prepare:$exit";
1717		1848
1718	# all this does is basically replace the /! path by	1849	# all this does is basically replace the /! path by
1719	# a new random map path (?random/...) with a seed	1850	# a new random map path (?random/...) with a seed
1720	# that depends on the exit object	1851	# that depends on the exit object
1721		1852
…		…
1730		1861
1731	$rmp->{random_seed} ||= $exit->random_seed;	1862	$rmp->{random_seed} ||= $exit->random_seed;
1732		1863
1733	my $data = cf::to_json $rmp;	1864	my $data = cf::to_json $rmp;
1734	my $md5 = Digest::MD5::md5_hex $data;	1865	my $md5 = Digest::MD5::md5_hex $data;
		1866	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1735		1867
1736	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1868	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1737	aio_write $fh, 0, (length $data), $data, 0;	1869	aio_write $fh, 0, (length $data), $data, 0;
		1870	undef $fh;
		1871	aio_rename "$meta~", $meta;
1738		1872
1739	$exit->slaying ("?random/$md5");	1873	$exit->slaying ("?random/$md5");
1740	$exit->msg (undef);	1874	$exit->msg (undef);
1741	}	1875	}
1742	}	1876	}
…		…
1752	$self->deactivate_recursive; # just to be sure	1886	$self->deactivate_recursive; # just to be sure
1753	unless (eval {	1887	unless (eval {
1754	prepare_random_map $exit	1888	prepare_random_map $exit
1755	if $exit->slaying eq "/!";	1889	if $exit->slaying eq "/!";
1756		1890
1757	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1891	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1758	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	1892	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1759		1893
1760	1;	1894	1;
1761	}) {	1895	}) {
1762	$self->message ("Something went wrong deep within the crossfire server. "	1896	$self->message ("Something went wrong deep within the crossfire server. "
1763	. "I'll try to bring you back to the map you were before. "	1897	. "I'll try to bring you back to the map you were before. "
1764	. "Please report this to the dungeon master",	1898	. "Please report this to the dungeon master!",
1765	cf::NDI_UNIQUE | cf::NDI_RED);	1899	cf::NDI_UNIQUE | cf::NDI_RED);
1766		1900
1767	warn "ERROR in enter_exit: $@";	1901	warn "ERROR in enter_exit: $@";
1768	$self->leave_link;	1902	$self->leave_link;
1769	}	1903	}
…		…
2052	sub db_sync() {	2186	sub db_sync() {
2053	db_save if $dirty;	2187	db_save if $dirty;
2054	undef $dirty;	2188	undef $dirty;
2055	}	2189	}
2056		2190
2057	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2191	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2058	db_sync;	2192	db_sync;
2059	});	2193	});
2060		2194
2061	sub db_dirty() {	2195	sub db_dirty() {
2062	$dirty = 1;	2196	$dirty = 1;
…		…
2112		2246
2113	sub main {	2247	sub main {
2114	# we must not ever block the main coroutine	2248	# we must not ever block the main coroutine
2115	local $Coro::idle = sub {	2249	local $Coro::idle = sub {
2116	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2250	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2251	(async {
2117	async { Event::one_event };	2252	Event::one_event;
		2253	})->prio (Coro::PRIO_MAX);
2118	};	2254	};
2119		2255
2120	cfg_load;	2256	cfg_load;
2121	db_load;	2257	db_load;
2122	load_extensions;	2258	load_extensions;
		2259
		2260	$TICK_WATCHER->start;
2123	Event::loop;	2261	Event::loop;
2124	}	2262	}
2125		2263
2126	#############################################################################	2264	#############################################################################
2127	# initialisation	2265	# initialisation and cleanup
		2266
		2267	# install some emergency cleanup handlers
		2268	BEGIN {
		2269	for my $signal (qw(INT HUP TERM)) {
		2270	Event->signal (
		2271	data => WF_AUTOCANCEL,
		2272	signal => $signal,
		2273	cb => sub {
		2274	cf::cleanup "SIG$signal";
		2275	},
		2276	);
		2277	}
		2278	}
		2279
		2280	sub emergency_save() {
		2281	my $freeze_guard = cf::freeze_mainloop;
		2282
		2283	warn "enter emergency perl save\n";
		2284
		2285	cf::sync_job {
		2286	# use a peculiar iteration method to avoid tripping on perl
		2287	# refcount bugs in for. also avoids problems with players
		2288	# and maps saved/destroyed asynchronously.
		2289	warn "begin emergency player save\n";
		2290	for my $login (keys %cf::PLAYER) {
		2291	my $pl = $cf::PLAYER{$login} or next;
		2292	$pl->valid or next;
		2293	$pl->save;
		2294	}
		2295	warn "end emergency player save\n";
		2296
		2297	warn "begin emergency map save\n";
		2298	for my $path (keys %cf::MAP) {
		2299	my $map = $cf::MAP{$path} or next;
		2300	$map->valid or next;
		2301	$map->save;
		2302	}
		2303	warn "end emergency map save\n";
		2304	};
		2305
		2306	warn "leave emergency perl save\n";
		2307	}
2128		2308
2129	sub reload() {	2309	sub reload() {
2130	# can/must only be called in main	2310	# can/must only be called in main
2131	if ($Coro::current != $Coro::main) {	2311	if ($Coro::current != $Coro::main) {
2132	warn "can only reload from main coroutine\n";	2312	warn "can only reload from main coroutine";
2133	return;	2313	return;
2134	}	2314	}
2135		2315
2136	warn "reloading...";	2316	warn "reloading...";
2137		2317
2138	my $guard = freeze_mainloop;	2318	warn "cancelling server ticker";
		2319	$TICK_WATCHER->cancel;
		2320
2139	cf::emergency_save;	2321	cf::emergency_save;
2140		2322
2141	eval {	2323	eval {
2142	# if anything goes wrong in here, we should simply crash as we already saved	2324	# if anything goes wrong in here, we should simply crash as we already saved
2143		2325
2144	# cancel all watchers	2326	warn "syncing database to disk";
		2327	cf::db_sync;
		2328
		2329	warn "cancelling all WF_AUTOCANCEL watchers";
2145	for (Event::all_watchers) {	2330	for (Event::all_watchers) {
2146	$_->cancel if $_->data & WF_AUTOCANCEL;	2331	$_->cancel if $_->data & WF_AUTOCANCEL;
2147	}	2332	}
2148		2333
		2334	warn "flushing outstanding aio requests";
		2335	for (;;) {
		2336	IO::AIO::flush;
		2337	Coro::cede;
		2338	last unless IO::AIO::nreqs;
		2339	warn "iterate...";
		2340	}
		2341
2149	# cancel all extension coros	2342	warn "cancelling all extension coros";
2150	$_->cancel for values %EXT_CORO;	2343	$_->cancel for values %EXT_CORO;
2151	%EXT_CORO = ();	2344	%EXT_CORO = ();
2152		2345
2153	# unload all extensions	2346	warn "removing commands";
2154	for (@exts) {	2347	%COMMAND = ();
		2348
		2349	warn "removing ext commands";
		2350	%EXTCMD = ();
		2351
		2352	warn "unloading/nuking all extensions";
		2353	for my $pkg (@EXTS) {
2155	warn "unloading <$_>";	2354	warn "... unloading $pkg";
2156	unload_extension $_;	2355
		2356	if (my $cb = $pkg->can ("unload")) {
		2357	eval {
		2358	$cb->($pkg);
		2359	1
		2360	} or warn "$pkg unloaded, but with errors: $@";
2157	}	2361	}
2158		2362
		2363	warn "... nuking $pkg";
		2364	Symbol::delete_package $pkg;
		2365	}
		2366
2159	# unload all modules loaded from $LIBDIR	2367	warn "unloading all perl modules loaded from $LIBDIR";
2160	while (my ($k, $v) = each %INC) {	2368	while (my ($k, $v) = each %INC) {
2161	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2369	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2162		2370
2163	warn "removing <$k>";	2371	warn "... unloading $k";
2164	delete $INC{$k};	2372	delete $INC{$k};
2165		2373
2166	$k =~ s/\.pm$//;	2374	$k =~ s/\.pm$//;
2167	$k =~ s/\//::/g;	2375	$k =~ s/\//::/g;
2168		2376
…		…
2171	}	2379	}
2172		2380
2173	Symbol::delete_package $k;	2381	Symbol::delete_package $k;
2174	}	2382	}
2175		2383
2176	# sync database to disk
2177	cf::db_sync;
2178	IO::AIO::flush;
2179
2180	# get rid of safe::, as good as possible	2384	warn "getting rid of safe::, as good as possible";
2181	Symbol::delete_package "safe::$_"	2385	Symbol::delete_package "safe::$_"
2182	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2386	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2183		2387
2184	# remove register_script_function callbacks
2185	# TODO
2186
2187	# unload cf.pm "a bit"	2388	warn "unloading cf.pm \"a bit\"";
2188	delete $INC{"cf.pm"};	2389	delete $INC{"cf.pm"};
2189		2390
2190	# don't, removes xs symbols, too,	2391	# don't, removes xs symbols, too,
2191	# and global variables created in xs	2392	# and global variables created in xs
2192	#Symbol::delete_package __PACKAGE__;	2393	#Symbol::delete_package __PACKAGE__;
2193		2394
2194	# reload cf.pm	2395	warn "unload completed, starting to reload now";
		2396
2195	warn "reloading cf.pm";	2397	warn "reloading cf.pm";
2196	require cf;	2398	require cf;
2197	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2399	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2198		2400
2199	# load config and database again	2401	warn "loading config and database again";
2200	cf::cfg_load;	2402	cf::cfg_load;
2201	cf::db_load;	2403	cf::db_load;
2202		2404
2203	# load extensions
2204	warn "load extensions";	2405	warn "loading extensions";
2205	cf::load_extensions;	2406	cf::load_extensions;
2206		2407
2207	# reattach attachments to objects	2408	warn "reattaching attachments to objects/players";
2208	warn "reattach";
2209	_global_reattach;	2409	_global_reattach;
		2410	warn "reattaching attachments to maps";
2210	reattach $_ for values %MAP;	2411	reattach $_ for values %MAP;
		2412
		2413	warn "restarting server ticker";
		2414
		2415	$TICK_WATCHER->start;
2211	};	2416	};
2212		2417
2213	if ($@) {	2418	if ($@) {
2214	warn $@;	2419	warn $@;
2215	warn "error while reloading, exiting.";	2420	warn "error while reloading, exiting.";
2216	exit 1;	2421	exit 1;
2217	}	2422	}
2218		2423
2219	warn "reloaded successfully";	2424	warn "reloaded";
2220	};	2425	};
2221		2426
2222	#############################################################################	2427	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} = $LINK_MAP;
2263	}
2264
2265	register "<global>", __PACKAGE__;
2266		2428
2267	register_command "reload" => sub {	2429	register_command "reload" => sub {
2268	my ($who, $arg) = @_;	2430	my ($who, $arg) = @_;
2269		2431
2270	if ($who->flag (FLAG_WIZ)) {	2432	if ($who->flag (FLAG_WIZ)) {
2271	$who->message ("start of reload.");	2433	$who->message ("reloading server.");
		2434
		2435	# doing reload synchronously and two reloads happen back-to-back,
		2436	# coro crashes during coro_state_free->destroy here.
		2437
		2438	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2272	reload;	2439	reload;
2273	$who->message ("end of reload.");	2440	undef $RELOAD_WATCHER;
		2441	});
2274	}	2442	}
2275	};	2443	};
2276		2444
2277	unshift @INC, $LIBDIR;	2445	unshift @INC, $LIBDIR;
		2446
		2447	my $bug_warning = 0;
2278		2448
2279	$TICK_WATCHER = Event->timer (	2449	$TICK_WATCHER = Event->timer (
2280	reentrant => 0,	2450	reentrant => 0,
		2451	parked => 1,
2281	prio => 0,	2452	prio => 0,
2282	at => $NEXT_TICK || $TICK,	2453	at => $NEXT_TICK || $TICK,
2283	data => WF_AUTOCANCEL,	2454	data => WF_AUTOCANCEL,
2284	cb => sub {	2455	cb => sub {
		2456	if ($Coro::current != $Coro::main) {
		2457	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2458	unless ++$bug_warning > 10;
		2459	return;
		2460	}
		2461
		2462	$NOW = Event::time;
		2463
2285	cf::server_tick; # one server iteration	2464	cf::server_tick; # one server iteration
2286	$RUNTIME += $TICK;	2465	$RUNTIME += $TICK;
2287	$NEXT_TICK += $TICK;	2466	$NEXT_TICK += $TICK;
		2467
		2468	$WAIT_FOR_TICK->broadcast;
		2469	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2288		2470
2289	# if we are delayed by four ticks or more, skip them all	2471	# if we are delayed by four ticks or more, skip them all
2290	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2472	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2291		2473
2292	$TICK_WATCHER->at ($NEXT_TICK);	2474	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2294	},	2476	},
2295	);	2477	);
2296		2478
2297	IO::AIO::max_poll_time $TICK * 0.2;	2479	IO::AIO::max_poll_time $TICK * 0.2;
2298		2480
2299	Event->io (	2481	$AIO_POLL_WATCHER = Event->io (
2300	fd => IO::AIO::poll_fileno,	2482	fd => IO::AIO::poll_fileno,
2301	poll => 'r',	2483	poll => 'r',
2302	prio => 5,	2484	prio => 5,
2303	data => WF_AUTOCANCEL,	2485	data => WF_AUTOCANCEL,
2304	cb => \&IO::AIO::poll_cb,	2486	cb => \&IO::AIO::poll_cb,
2305	);	2487	);
2306		2488
2307	Event->timer (	2489	$WRITE_RUNTIME_WATCHER = Event->timer (
2308	data => WF_AUTOCANCEL,	2490	data => WF_AUTOCANCEL,
2309	after => 0,	2491	after => 1,
2310	interval => 10,	2492	interval => 10,
2311	cb => sub {	2493	prio => 6, # keep it lowest so it acts like a watchdog
2312	(Coro::unblock_sub {	2494	cb => Coro::unblock_sub {
2313	write_runtime	2495	write_runtime
2314	or warn "ERROR: unable to write runtime file: $!";	2496	or warn "ERROR: unable to write runtime file: $!";
2315	})->();
2316	},	2497	},
2317	);	2498	);
2318		2499
2319	END { cf::emergency_save }	2500	END { cf::emergency_save }
2320		2501

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