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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.145 by root, Sun Jan 7 21:54:59 2007 UTC vs.
Revision 1.199 by root, Mon Jan 29 14:46:01 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3 ();	13	use Coro 3.5 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use Data::Dumper;
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;
		87
		88	sub cf::map::normalise;
77		89
78	#############################################################################	90	#############################################################################
79		91
80	=head2 GLOBAL VARIABLES	92	=head2 GLOBAL VARIABLES
81		93
…		…
105		117
106	=item %cf::CFG	118	=item %cf::CFG
107		119
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	120	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	from wherever your confdir points to.	121	from wherever your confdir points to.
		122
		123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		124
		125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		127	processing has been done. Call C<< ->wait >> on them to maximise the
		128	window of cpu time available, or simply to synchronise to the server tick.
110		129
111	=back	130	=back
112		131
113	=cut	132	=cut
114		133
…		…
118	utf8::encode $msg;	137	utf8::encode $msg;
119		138
120	$msg .= "\n"	139	$msg .= "\n"
121	unless $msg =~ /\n$/;	140	unless $msg =~ /\n$/;
122		141
123	LOG llevError, "cfperl: $msg";	142	LOG llevError, $msg;
124	};	143	};
125	}	144	}
126		145
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
146		165
147	$Event::DIED = sub {	166	$Event::DIED = sub {
148	warn "error in event callback: @_";	167	warn "error in event callback: @_";
149	};	168	};
150		169
151	my %ext_pkg;
152	my @exts;
153	my @hook;
154
155	=head2 UTILITY FUNCTIONS	170	=head2 UTILITY FUNCTIONS
156		171
157	=over 4	172	=over 4
158		173
		174	=item dumpval $ref
		175
159	=cut	176	=cut
		177
		178	sub dumpval {
		179	eval {
		180	local $SIG{__DIE__};
		181	my $d;
		182	if (1) {
		183	$d = new Data::Dumper([$_[0]], ["*var"]);
		184	$d->Terse(1);
		185	$d->Indent(2);
		186	$d->Quotekeys(0);
		187	$d->Useqq(1);
		188	#$d->Bless(...);
		189	$d->Seen($_[1]) if @_ > 1;
		190	$d = $d->Dump();
		191	}
		192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		193	$d
		194	} || "[unable to dump $_[0]: '$@']";
		195	}
160		196
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	197	use JSON::Syck (); # TODO# replace by JSON::PC once working
162		198
163	=item $ref = cf::from_json $json	199	=item $ref = cf::from_json $json
164		200
…		…
225	}	261	}
226		262
227	sub freeze_mainloop {	263	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	264	return unless $TICK_WATCHER->is_active;
229		265
230	my $guard = Coro::guard { $TICK_WATCHER->start };	266	my $guard = Coro::guard {
		267	$TICK_WATCHER->start;
		268	$WRITE_RUNTIME_WATCHER->start;
		269	};
		270	$WRITE_RUNTIME_WATCHER->stop;
231	$TICK_WATCHER->stop;	271	$TICK_WATCHER->stop;
232	$guard	272	$guard
233	}	273	}
234		274
235	=item cf::async { BLOCK }	275	=item cf::async { BLOCK }
…		…
287	}	327	}
288	}	328	}
289		329
290	=item $coro = cf::async_ext { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
291		331
292	Like async, but this coro is automcatially being canceled when the	332	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	333	extension calling this is being unloaded.
294		334
295	=cut	335	=cut
296		336
297	sub async_ext(&) {	337	sub async_ext(&) {
…		…
311	my $runtime = cf::localdir . "/runtime";	351	my $runtime = cf::localdir . "/runtime";
312		352
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
314	or return;	354	or return;
315		355
		356	my $value = $cf::RUNTIME + 90 + 10;
316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	357	# 10 is the runtime save interval, for a monotonic clock
		358	# 60 allows for the watchdog to kill the server.
		359
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0	360	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;	361	and return;
319		362
320	aio_fsync $fh	363	aio_fsync $fh
321	and return;	364	and return;
…		…
330	}	373	}
331		374
332	=back	375	=back
333		376
334	=cut	377	=cut
335
336	#############################################################################
337
338	package cf::path;
339
340	sub new {
341	my ($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		378
456	#############################################################################	379	#############################################################################
457		380
458	=head2 ATTACHABLE OBJECTS	381	=head2 ATTACHABLE OBJECTS
459		382
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	508	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	509	our @CB_MAP = ();
587		510
588	my %attachment;	511	my %attachment;
589		512
		513	sub cf::attachable::thawer_merge {
		514	# simply override everything except _meta
		515	local $_[0]{_meta};
		516	%{$_[0]} = %{$_[1]};
		517	}
		518
590	sub _attach_cb($$$$) {	519	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	520	my ($registry, $event, $prio, $cb) = @_;
592		521
593	use sort 'stable';	522	use sort 'stable';
594		523
…		…
765	# object support	694	# object support
766		695
767	sub reattach {	696	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	697	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	698	my ($obj) = @_;
		699
		700	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		701
771	my $registry = $obj->registry;	702	my $registry = $obj->registry;
772		703
773	@$registry = ();	704	@$registry = ();
774		705
…		…
906	=cut	837	=cut
907		838
908	sub register_extcmd {	839	sub register_extcmd {
909	my ($name, $cb) = @_;	840	my ($name, $cb) = @_;
910		841
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	842	$EXTCMD{$name} = $cb;
915	}	843	}
916		844
917	cf::player->attach (	845	cf::player->attach (
918	on_command => sub {	846	on_command => sub {
919	my ($pl, $name, $params) = @_;	847	my ($pl, $name, $params) = @_;
…		…
932		860
933	my $msg = eval { from_json $buf };	861	my $msg = eval { from_json $buf };
934		862
935	if (ref $msg) {	863	if (ref $msg) {
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	864	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	865	if (my %reply = $cb->($pl, $msg)) {
938	$pl->ext_reply ($msg->{msgid}, %reply);	866	$pl->ext_reply ($msg->{msgid}, %reply);
939	}	867	}
940	}	868	}
941	} else {	869	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	870	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
944		872
945	cf::override;	873	cf::override;
946	},	874	},
947	);	875	);
948		876
949	sub register {
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {	877	sub load_extension {
956	my ($path) = @_;	878	my ($path) = @_;
957		879
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	880	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
959	my $base = $1;	881	my $base = $1;
960	my $pkg = $1;	882	my $pkg = $1;
961	$pkg =~ s/[^[:word:]]/_/g;	883	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";	884	$pkg = "ext::$pkg";
963		885
964	warn "loading '$path' into '$pkg'\n";	886	warn "... loading '$path' into '$pkg'\n";
965		887
966	open my $fh, "<:utf8", $path	888	open my $fh, "<:utf8", $path
967	or die "$path: $!";	889	or die "$path: $!";
968		890
969	my $source =	891	my $source =
970	"package $pkg; use strict; use utf8;\n"	892	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"	893	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })	894	. (do { local $/; <$fh> })
973	. "\n};\n1";	895	. "\n};\n1";
974		896
975	eval $source	897	unless (eval $source) {
976	or die $@ ? "$path: $@\n"	898	my $msg = $@ ? "$path: $@\n"
977	: "extension disabled.\n";	899	: "extension disabled.\n";
978		900	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
979	push @exts, $pkg;	901	warn $@;
980	$ext_pkg{$base} = $pkg;	902	warn "mandatory extension failed to load, exiting.\n";
981		903	exit 1;
982	# no strict 'refs';	904	}
983	# @{"$pkg\::ISA"} = ext::;	905	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	# }	906	}
998		907
999	# remove commands	908	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	}	909	}
1024		910
1025	sub load_extensions {	911	sub load_extensions {
1026	for my $ext (<$LIBDIR/*.ext>) {	912	for my $ext (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	913	next unless -r $ext;
…		…
1031	} or warn "$ext not loaded: $@";	917	} or warn "$ext not loaded: $@";
1032	}	918	}
1033	}	919	}
1034		920
1035	#############################################################################	921	#############################################################################
1036	# load/save/clean perl data associated with a map
1037
1038	*cf::mapsupport::on_clean = sub {
1039	my ($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*", $value };
1066	}
1067	}
1068	},
1069	);
1070
1071	#############################################################################
1072		922
1073	=head2 CORE EXTENSIONS	923	=head2 CORE EXTENSIONS
1074		924
1075	Functions and methods that extend core crossfire objects.	925	Functions and methods that extend core crossfire objects.
1076		926
1077	=cut	927	=cut
1078		928
1079	package cf::player;	929	package cf::player;
		930
		931	use Coro::AIO;
1080		932
1081	=head3 cf::player	933	=head3 cf::player
1082		934
1083	=over 4	935	=over 4
1084		936
…		…
1110		962
1111	sub exists($) {	963	sub exists($) {
1112	my ($login) = @_;	964	my ($login) = @_;
1113		965
1114	$cf::PLAYER{$login}	966	$cf::PLAYER{$login}
1115	or cf::sync_job { !aio_stat $login }	967	or cf::sync_job { !aio_stat path $login }
1116	}	968	}
1117		969
1118	sub find($) {	970	sub find($) {
1119	return $cf::PLAYER{$_[0]} || do {	971	return $cf::PLAYER{$_[0]} || do {
1120	my $login = $_[0];	972	my $login = $_[0];
1121		973
1122	my $guard = cf::lock_acquire "user_find:$login";	974	my $guard = cf::lock_acquire "user_find:$login";
1123		975
1124	$cf::PLAYER{$login} ||= (load_pl path $login or return);	976	$cf::PLAYER{$_[0]} || do {
		977	my $pl = load_pl path $login
		978	or return;
		979	$cf::PLAYER{$login} = $pl
		980	}
1125	};	981	}
1126	}	982	}
1127		983
1128	sub save($) {	984	sub save($) {
1129	my ($pl) = @_;	985	my ($pl) = @_;
1130		986
…		…
1132		988
1133	my $path = path $pl;	989	my $path = path $pl;
1134	my $guard = cf::lock_acquire "user_save:$path";	990	my $guard = cf::lock_acquire "user_save:$path";
1135		991
1136	return if $pl->{deny_save};	992	return if $pl->{deny_save};
		993
		994	aio_mkdir playerdir $pl, 0770;
1137	$pl->{last_save} = $cf::RUNTIME;	995	$pl->{last_save} = $cf::RUNTIME;
1138		996
1139	Coro::cede;
1140	$pl->save_pl ($path);	997	$pl->save_pl ($path);
1141	Coro::cede;	998	Coro::cede;
1142	}	999	}
1143		1000
1144	sub new($) {	1001	sub new($) {
…		…
1151		1008
1152	$cf::PLAYER{$login} = $self;	1009	$cf::PLAYER{$login} = $self;
1153		1010
1154	$self	1011	$self
1155	}	1012	}
		1013
		1014	=item $pl->quit_character
		1015
		1016	Nukes the player without looking back. If logged in, the connection will
		1017	be destroyed. May block for a long time.
		1018
		1019	=cut
1156		1020
1157	sub quit_character {	1021	sub quit_character {
1158	my ($pl) = @_;	1022	my ($pl) = @_;
1159		1023
1160	$pl->{deny_save} = 1;	1024	$pl->{deny_save} = 1;
…		…
1165	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1029	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1166	$pl->ns->destroy if $pl->ns;	1030	$pl->ns->destroy if $pl->ns;
1167		1031
1168	my $path = playerdir $pl;	1032	my $path = playerdir $pl;
1169	my $temp = "$path~$cf::RUNTIME~deleting~";	1033	my $temp = "$path~$cf::RUNTIME~deleting~";
1170	IO::AIO::aio_rename $path, $temp, sub {	1034	aio_rename $path, $temp;
1171	delete $cf::PLAYER{$pl->ob->name};	1035	delete $cf::PLAYER{$pl->ob->name};
1172	$pl->destroy;	1036	$pl->destroy;
1173
1174	IO::AIO::aio_rmtree $temp;	1037	IO::AIO::aio_rmtree $temp;
		1038	}
		1039
		1040	=item cf::player::list_logins
		1041
		1042	Returns am arrayref of all valid playernames in the system, can take a
		1043	while and may block, so not sync_job-capable, ever.
		1044
		1045	=cut
		1046
		1047	sub list_logins {
		1048	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1049	or return [];
		1050
		1051	my @logins;
		1052
		1053	for my $login (@$dirs) {
		1054	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1055	aio_read $fh, 0, 512, my $buf, 0 or next;
		1056	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1057
		1058	utf8::decode $login;
		1059	push @logins, $login;
1175	};	1060	}
		1061
		1062	\@logins
		1063	}
		1064
		1065	=item $player->maps
		1066
		1067	Returns an arrayref of map paths that are private for this
		1068	player. May block.
		1069
		1070	=cut
		1071
		1072	sub maps($) {
		1073	my ($pl) = @_;
		1074
		1075	my $files = aio_readdir playerdir $pl
		1076	or return;
		1077
		1078	my @paths;
		1079
		1080	for (@$files) {
		1081	utf8::decode $_;
		1082	next if /\.(?:pl|pst)$/;
		1083	next unless /^$PATH_SEP/o;
		1084
		1085	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;
		1086	}
		1087
		1088	\@paths
1176	}	1089	}
1177		1090
1178	=item $player->ext_reply ($msgid, $msgtype, %msg)	1091	=item $player->ext_reply ($msgid, $msgtype, %msg)
1179		1092
1180	Sends an ext reply to the player.	1093	Sends an ext reply to the player.
…		…
1203	package cf::map;	1116	package cf::map;
1204		1117
1205	use Fcntl;	1118	use Fcntl;
1206	use Coro::AIO;	1119	use Coro::AIO;
1207		1120
		1121	use overload
		1122	'""' => \&as_string,
		1123	fallback => 1;
		1124
1208	our $MAX_RESET = 3600;	1125	our $MAX_RESET = 3600;
1209	our $DEFAULT_RESET = 3000;	1126	our $DEFAULT_RESET = 3000;
1210		1127
1211	sub generate_random_map {	1128	sub generate_random_map {
1212	my ($path, $rmp) = @_;	1129	my ($self, $rmp) = @_;
1213
1214	# mit "rum" bekleckern, nicht	1130	# mit "rum" bekleckern, nicht
1215	cf::map::_create_random_map	1131	$self->_create_random_map (
1216	$path,
1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1132	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1133	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1134	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1220	$rmp->{exit_on_final_map},	1135	$rmp->{exit_on_final_map},
1221	$rmp->{xsize}, $rmp->{ysize},	1136	$rmp->{xsize}, $rmp->{ysize},
1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1137	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1138	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1224	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1139	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1225	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1140	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1141	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1227	(cf::region::find $rmp->{region})	1142	(cf::region::find $rmp->{region}), $rmp->{custom}
		1143	)
		1144	}
		1145
		1146	=item cf::map->register ($regex, $prio)
		1147
		1148	Register a handler for the map path matching the given regex at the
		1149	givne priority (higher is better, built-in handlers have priority 0, the
		1150	default).
		1151
		1152	=cut
		1153
		1154	sub register {
		1155	my (undef, $regex, $prio) = @_;
		1156	my $pkg = caller;
		1157
		1158	no strict;
		1159	push @{"$pkg\::ISA"}, __PACKAGE__;
		1160
		1161	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1162	}
		1163
		1164	# also paths starting with '/'
		1165	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1166
		1167	sub thawer_merge {
		1168	my ($self, $merge) = @_;
		1169
		1170	# we have to keep some variables in memory intact
		1171	local $self->{path};
		1172	local $self->{load_path};
		1173	local $self->{deny_save};
		1174	local $self->{deny_reset};
		1175
		1176	$self->SUPER::thawer_merge ($merge);
		1177	}
		1178
		1179	sub normalise {
		1180	my ($path, $base) = @_;
		1181
		1182	$path = "$path"; # make sure its a string
		1183
		1184	$path =~ s/\.map$//;
		1185
		1186	# map plan:
		1187	#
		1188	# /! non-realised random map exit (special hack!)
		1189	# {... are special paths that are not being touched
		1190	# ?xxx/... are special absolute paths
		1191	# ?random/... random maps
		1192	# /... normal maps
		1193	# ~user/... per-player map of a specific user
		1194
		1195	$path =~ s/$PATH_SEP/\//go;
		1196
		1197	# treat it as relative path if it starts with
		1198	# something that looks reasonable
		1199	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1200	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1201
		1202	$base =~ s{[^/]+/?$}{};
		1203	$path = "$base/$path";
		1204	}
		1205
		1206	for ($path) {
		1207	redo if s{//}{/};
		1208	redo if s{/\.?/}{/};
		1209	redo if s{/[^/]+/\.\./}{/};
		1210	}
		1211
		1212	$path
		1213	}
		1214
		1215	sub new_from_path {
		1216	my (undef, $path, $base) = @_;
		1217
		1218	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1219
		1220	$path = normalise $path, $base;
		1221
		1222	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1223	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1224	my $self = bless cf::map::new, $pkg;
		1225	$self->{path} = $path; $self->path ($path);
		1226	$self->init; # pass $1 etc.
		1227	return $self;
		1228	}
		1229	}
		1230
		1231	Carp::carp "unable to resolve path '$path' (base '$base').";
		1232	()
		1233	}
		1234
		1235	sub init {
		1236	my ($self) = @_;
		1237
		1238	$self
		1239	}
		1240
		1241	sub as_string {
		1242	my ($self) = @_;
		1243
		1244	"$self->{path}"
		1245	}
		1246
		1247	# the displayed name, this is a one way mapping
		1248	sub visible_name {
		1249	&as_string
		1250	}
		1251
		1252	# the original (read-only) location
		1253	sub load_path {
		1254	my ($self) = @_;
		1255
		1256	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		1257	}
		1258
		1259	# the temporary/swap location
		1260	sub save_path {
		1261	my ($self) = @_;
		1262
		1263	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1264	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
		1265	}
		1266
		1267	# the unique path, undef == no special unique path
		1268	sub uniq_path {
		1269	my ($self) = @_;
		1270
		1271	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1272	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1228	}	1273	}
1229		1274
1230	# and all this just because we cannot iterate over	1275	# and all this just because we cannot iterate over
1231	# all maps in C++...	1276	# all maps in C++...
1232	sub change_all_map_light {	1277	sub change_all_map_light {
…		…
1234		1279
1235	$_->change_map_light ($change)	1280	$_->change_map_light ($change)
1236	for grep $_->outdoor, values %cf::MAP;	1281	for grep $_->outdoor, values %cf::MAP;
1237	}	1282	}
1238		1283
		1284	sub unlink_save {
		1285	my ($self) = @_;
		1286
		1287	utf8::encode (my $save = $self->save_path);
		1288	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1289	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1290	}
		1291
1239	sub try_load_header($) {	1292	sub load_header_from($) {
1240	my ($path) = @_;	1293	my ($self, $path) = @_;
1241		1294
1242	utf8::encode $path;	1295	utf8::encode $path;
1243	aio_open $path, O_RDONLY, 0	1296	aio_open $path, O_RDONLY, 0
1244	or return;	1297	or return;
1245		1298
1246	my $map = cf::map::new	1299	$self->_load_header ($path)
1247	or return;	1300	or return;
1248		1301
1249	# for better error messages only, will be overwritten	1302	$self->{load_path} = $path;
1250	$map->path ($path);
1251		1303
1252	$map->load_header ($path)	1304	1
		1305	}
		1306
		1307	sub load_header_orig {
		1308	my ($self) = @_;
		1309
		1310	$self->load_header_from ($self->load_path)
		1311	}
		1312
		1313	sub load_header_temp {
		1314	my ($self) = @_;
		1315
		1316	$self->load_header_from ($self->save_path)
		1317	}
		1318
		1319	sub prepare_temp {
		1320	my ($self) = @_;
		1321
		1322	$self->last_access ((delete $self->{last_access})
		1323	|| $cf::RUNTIME); #d#
		1324	# safety
		1325	$self->{instantiate_time} = $cf::RUNTIME
		1326	if $self->{instantiate_time} > $cf::RUNTIME;
		1327	}
		1328
		1329	sub prepare_orig {
		1330	my ($self) = @_;
		1331
		1332	$self->{load_original} = 1;
		1333	$self->{instantiate_time} = $cf::RUNTIME;
		1334	$self->last_access ($cf::RUNTIME);
		1335	$self->instantiate;
		1336	}
		1337
		1338	sub load_header {
		1339	my ($self) = @_;
		1340
		1341	if ($self->load_header_temp) {
		1342	$self->prepare_temp;
		1343	} else {
		1344	$self->load_header_orig
1253	or return;	1345	or return;
		1346	$self->prepare_orig;
		1347	}
1254		1348
1255	$map->{load_path} = $path;	1349	1
1256
1257	$map
1258	}	1350	}
1259		1351
1260	sub find;	1352	sub find;
1261	sub find {	1353	sub find {
1262	my ($path, $origin) = @_;	1354	my ($path, $origin) = @_;
1263		1355
1264	#warn "find<$path,$origin>\n";#d#
1265
1266	$path = new cf::path $path, $origin && $origin->path;	1356	$path = normalise $path, $origin && $origin->path;
1267	my $key = $path->as_string;
1268		1357
1269	cf::lock_wait "map_find:$key";	1358	cf::lock_wait "map_find:$path";
1270		1359
1271	$cf::MAP{$key} || do {	1360	$cf::MAP{$path} || do {
1272	my $guard = cf::lock_acquire "map_find:$key";	1361	my $guard = cf::lock_acquire "map_find:$path";
1273		1362	my $map = new_from_path cf::map $path
1274	# do it the slow way
1275	my $map = try_load_header $path->save_path;
1276
1277	Coro::cede;
1278
1279	if ($map) {
1280	$map->last_access ((delete $map->{last_access})
1281	|| $cf::RUNTIME); #d#
1282	# safety
1283	$map->{instantiate_time} = $cf::RUNTIME
1284	if $map->{instantiate_time} > $cf::RUNTIME;
1285	} else {
1286	if (my $rmp = $path->random_map_params) {
1287	$map = generate_random_map $key, $rmp;
1288	} else {
1289	$map = try_load_header $path->load_path;
1290	}
1291
1292	$map or return;	1363	or return;
1293		1364
1294	$map->{load_original} = 1;
1295	$map->{instantiate_time} = $cf::RUNTIME;
1296	$map->last_access ($cf::RUNTIME);
1297	$map->instantiate;
1298
1299	# per-player maps become, after loading, normal maps
1300	$map->per_player (0) if $path->{user_rel};
1301	}
1302
1303	$map->path ($key);
1304	$map->{path} = $path;
1305	$map->{last_save} = $cf::RUNTIME;	1365	$map->{last_save} = $cf::RUNTIME;
1306		1366
1307	Coro::cede;	1367	$map->load_header
		1368	or return;
1308		1369
1309	if ($map->should_reset) {	1370	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1371	# doing this can freeze the server in a sync job, obviously
		1372	#$cf::WAIT_FOR_TICK->wait;
1310	$map->reset;	1373	$map->reset;
1311	undef $guard;	1374	undef $guard;
1312	$map = find $path	1375	return find $path;
1313	or return;
1314	}	1376	}
1315		1377
1316	$cf::MAP{$key} = $map	1378	$cf::MAP{$path} = $map
1317	}	1379	}
1318	}	1380	}
		1381
		1382	sub pre_load { }
		1383	sub post_load { }
1319		1384
1320	sub load {	1385	sub load {
1321	my ($self) = @_;	1386	my ($self) = @_;
1322		1387
		1388	local $self->{deny_reset} = 1; # loading can take a long time
		1389
1323	my $path = $self->{path};	1390	my $path = $self->{path};
1324	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1391	my $guard = cf::lock_acquire "map_load:$path";
1325		1392
1326	return if $self->in_memory != cf::MAP_SWAPPED;	1393	return if $self->in_memory != cf::MAP_SWAPPED;
1327		1394
1328	$self->in_memory (cf::MAP_LOADING);	1395	$self->in_memory (cf::MAP_LOADING);
1329		1396
1330	$self->alloc;	1397	$self->alloc;
		1398
		1399	$self->pre_load;
		1400
1331	$self->load_objects ($self->{load_path}, 1)	1401	$self->_load_objects ($self->{load_path}, 1)
1332	or return;	1402	or return;
1333		1403
1334	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1404	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1335	if delete $self->{load_original};	1405	if delete $self->{load_original};
1336		1406
1337	if (my $uniq = $path->uniq_path) {	1407	if (my $uniq = $self->uniq_path) {
1338	utf8::encode $uniq;	1408	utf8::encode $uniq;
1339	if (aio_open $uniq, O_RDONLY, 0) {	1409	if (aio_open $uniq, O_RDONLY, 0) {
1340	$self->clear_unique_items;	1410	$self->clear_unique_items;
1341	$self->load_objects ($uniq, 0);	1411	$self->_load_objects ($uniq, 0);
1342	}	1412	}
1343	}	1413	}
1344		1414
1345	Coro::cede;	1415	Coro::cede;
1346		1416
1347	# now do the right thing for maps	1417	# now do the right thing for maps
1348	$self->link_multipart_objects;	1418	$self->link_multipart_objects;
1349		1419
1350	if ($self->{path}->is_style_map) {	1420	unless ($self->{deny_activate}) {
1351	$self->{deny_save} = 1;	1421	$self->decay_objects;
1352	$self->{deny_reset} = 1;
1353	} else {
1354	$self->fix_auto_apply;	1422	$self->fix_auto_apply;
1355	$self->decay_objects;
1356	$self->update_buttons;	1423	$self->update_buttons;
		1424	Coro::cede;
1357	$self->set_darkness_map;	1425	$self->set_darkness_map;
1358	$self->difficulty ($self->estimate_difficulty)	1426	$self->difficulty ($self->estimate_difficulty)
1359	unless $self->difficulty;	1427	unless $self->difficulty;
		1428	Coro::cede;
1360	$self->activate;	1429	$self->activate;
1361	}	1430	}
1362		1431
1363	Coro::cede;	1432	$self->post_load;
1364		1433
1365	$self->in_memory (cf::MAP_IN_MEMORY);	1434	$self->in_memory (cf::MAP_IN_MEMORY);
		1435	}
		1436
		1437	sub customise_for {
		1438	my ($self, $ob) = @_;
		1439
		1440	return find "~" . $ob->name . "/" . $self->{path}
		1441	if $self->per_player;
		1442
		1443	$self
		1444	}
		1445
		1446	# find and load all maps in the 3x3 area around a map
		1447	sub load_diag {
		1448	my ($map) = @_;
		1449
		1450	my @diag; # diagonal neighbours
		1451
		1452	for (0 .. 3) {
		1453	my $neigh = $map->tile_path ($_)
		1454	or next;
		1455	$neigh = find $neigh, $map
		1456	or next;
		1457	$neigh->load;
		1458
		1459	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1460	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1461	}
		1462
		1463	for (@diag) {
		1464	my $neigh = find @$_
		1465	or next;
		1466	$neigh->load;
		1467	}
1366	}	1468	}
1367		1469
1368	sub find_sync {	1470	sub find_sync {
1369	my ($path, $origin) = @_;	1471	my ($path, $origin) = @_;
1370		1472
1371	cf::sync_job { cf::map::find $path, $origin }	1473	cf::sync_job { find $path, $origin }
1372	}	1474	}
1373		1475
1374	sub do_load_sync {	1476	sub do_load_sync {
1375	my ($map) = @_;	1477	my ($map) = @_;
1376		1478
1377	cf::sync_job { $map->load };	1479	cf::sync_job { $map->load };
1378	}	1480	}
1379		1481
		1482	our %MAP_PREFETCH;
		1483	our $MAP_PREFETCHER = undef;
		1484
		1485	sub find_async {
		1486	my ($path, $origin) = @_;
		1487
		1488	$path = normalise $path, $origin && $origin->{path};
		1489
		1490	if (my $map = $cf::MAP{$path}) {
		1491	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1492	}
		1493
		1494	undef $MAP_PREFETCH{$path};
		1495	$MAP_PREFETCHER ||= cf::async {
		1496	while (%MAP_PREFETCH) {
		1497	for my $path (keys %MAP_PREFETCH) {
		1498	my $map = find $path
		1499	or next;
		1500	$map->load;
		1501
		1502	delete $MAP_PREFETCH{$path};
		1503	}
		1504	}
		1505	undef $MAP_PREFETCHER;
		1506	};
		1507	$MAP_PREFETCHER->prio (6);
		1508
		1509	()
		1510	}
		1511
1380	sub save {	1512	sub save {
1381	my ($self) = @_;	1513	my ($self) = @_;
1382		1514
1383	my $lock = cf::lock_acquire "map_data:" . $self->path;	1515	my $lock = cf::lock_acquire "map_data:" . $self->path;
1384		1516
1385	$self->{last_save} = $cf::RUNTIME;	1517	$self->{last_save} = $cf::RUNTIME;
1386		1518
1387	return unless $self->dirty;	1519	return unless $self->dirty;
1388		1520
1389	my $save = $self->{path}->save_path; utf8::encode $save;	1521	my $save = $self->save_path; utf8::encode $save;
1390	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1522	my $uniq = $self->uniq_path; utf8::encode $uniq;
1391		1523
1392	$self->{load_path} = $save;	1524	$self->{load_path} = $save;
1393		1525
1394	return if $self->{deny_save};	1526	return if $self->{deny_save};
1395		1527
…		…
1398	cf::async {	1530	cf::async {
1399	$_->contr->save for $self->players;	1531	$_->contr->save for $self->players;
1400	};	1532	};
1401		1533
1402	if ($uniq) {	1534	if ($uniq) {
1403	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1535	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1404	$self->save_objects ($uniq, cf::IO_UNIQUES);	1536	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1405	} else {	1537	} else {
1406	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1538	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1407	}	1539	}
1408	}	1540	}
1409		1541
1410	sub swap_out {	1542	sub swap_out {
1411	my ($self) = @_;	1543	my ($self) = @_;
…		…
1425		1557
1426	sub reset_at {	1558	sub reset_at {
1427	my ($self) = @_;	1559	my ($self) = @_;
1428		1560
1429	# TODO: safety, remove and allow resettable per-player maps	1561	# TODO: safety, remove and allow resettable per-player maps
1430	return 1e99 if $self->{path}{user_rel};	1562	return 1e99 if $self->isa ("ext::map_per_player");#d#
1431	return 1e99 if $self->{deny_reset};	1563	return 1e99 if $self->{deny_reset};
1432		1564
1433	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1434	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1435		1567
…		…
1440	my ($self) = @_;	1572	my ($self) = @_;
1441		1573
1442	$self->reset_at <= $cf::RUNTIME	1574	$self->reset_at <= $cf::RUNTIME
1443	}	1575	}
1444		1576
1445	sub unlink_save {
1446	my ($self) = @_;
1447
1448	utf8::encode (my $save = $self->{path}->save_path);
1449	aioreq_pri 3; IO::AIO::aio_unlink $save;
1450	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1451	}
1452
1453	sub rename {
1454	my ($self, $new_path) = @_;
1455
1456	$self->unlink_save;
1457
1458	delete $cf::MAP{$self->path};
1459	$self->{path} = new cf::path $new_path;
1460	$self->path ($self->{path}->as_string);
1461	$cf::MAP{$self->path} = $self;
1462
1463	$self->save;
1464	}
1465
1466	sub reset {	1577	sub reset {
1467	my ($self) = @_;	1578	my ($self) = @_;
1468		1579
1469	my $lock = cf::lock_acquire "map_data:" . $self->path;	1580	my $lock = cf::lock_acquire "map_data:$self->{path}";
1470		1581
1471	return if $self->players;	1582	return if $self->players;
1472	return if $self->{path}{user_rel};#d#	1583	return if $self->isa ("ext::map_per_player");#d#
1473		1584
1474	warn "resetting map ", $self->path;#d#	1585	warn "resetting map ", $self->path;#d#
1475		1586
1476	delete $cf::MAP{$self->path};	1587	delete $cf::MAP{$self->path};
		1588
		1589	$self->in_memory (cf::MAP_SWAPPED);
		1590	$self->clear;
1477		1591
1478	$_->clear_links_to ($self) for values %cf::MAP;	1592	$_->clear_links_to ($self) for values %cf::MAP;
1479		1593
1480	$self->unlink_save;	1594	$self->unlink_save;
1481	$self->destroy;	1595	$self->destroy;
…		…
1484	my $nuke_counter = "aaaa";	1598	my $nuke_counter = "aaaa";
1485		1599
1486	sub nuke {	1600	sub nuke {
1487	my ($self) = @_;	1601	my ($self) = @_;
1488		1602
		1603	delete $cf::MAP{$self->path};
		1604
		1605	$self->unlink_save;
		1606
		1607	bless $self, "cf::map";
		1608	delete $self->{deny_reset};
1489	$self->{deny_save} = 1;	1609	$self->{deny_save} = 1;
1490	$self->reset_timeout (1);	1610	$self->reset_timeout (1);
1491	$self->rename ("{nuke}/" . ($nuke_counter++));	1611	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1612
		1613	$cf::MAP{$self->path} = $self;
		1614
1492	$self->reset; # polite request, might not happen	1615	$self->reset; # polite request, might not happen
1493	}	1616	}
1494		1617
1495	sub customise_for {	1618	=item cf::map::unique_maps
1496	my ($map, $ob) = @_;
1497		1619
1498	if ($map->per_player) {	1620	Returns an arrayref of paths of all shared maps that have
1499	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1621	instantiated unique items. May block.
1500	}
1501		1622
1502	$map	1623	=cut
1503	}
1504		1624
1505	sub emergency_save {	1625	sub unique_maps() {
1506	my $freeze_guard = cf::freeze_mainloop;	1626	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1627	or return;
1507		1628
1508	warn "enter emergency perl save\n";	1629	my @paths;
1509		1630
1510	cf::sync_job {	1631	for (@$files) {
1511	warn "begin emergency player save\n";	1632	utf8::decode $_;
1512	$_->save for values %cf::PLAYER;	1633	next if /\.pst$/;
1513	warn "end emergency player save\n";	1634	next unless /^$PATH_SEP/o;
1514		1635
1515	warn "begin emergency map save\n";	1636	push @paths, cf::map::normalise $_;
1516	$_->save for values %cf::MAP;
1517	warn "end emergency map save\n";
1518	};	1637	}
1519		1638
1520	warn "leave emergency perl save\n";	1639	\@paths
1521	}	1640	}
1522		1641
1523	package cf;	1642	package cf;
1524		1643
1525	=back	1644	=back
1526		1645
		1646	=head3 cf::object
		1647
		1648	=cut
		1649
		1650	package cf::object;
		1651
		1652	=over 4
		1653
		1654	=item $ob->inv_recursive
		1655
		1656	Returns the inventory of the object _and_ their inventories, recursively.
		1657
		1658	=cut
		1659
		1660	sub inv_recursive_;
		1661	sub inv_recursive_ {
		1662	map { $_, inv_recursive_ $_->inv } @_
		1663	}
		1664
		1665	sub inv_recursive {
		1666	inv_recursive_ inv $_[0]
		1667	}
		1668
		1669	package cf;
		1670
		1671	=back
1527		1672
1528	=head3 cf::object::player	1673	=head3 cf::object::player
1529		1674
1530	=over 4	1675	=over 4
1531		1676
…		…
1571		1716
1572	=item $player_object->enter_link	1717	=item $player_object->enter_link
1573		1718
1574	Freezes the player and moves him/her to a special map (C<{link}>).	1719	Freezes the player and moves him/her to a special map (C<{link}>).
1575		1720
1576	The player should be reaosnably safe there for short amounts of time. You	1721	The player should be reasonably safe there for short amounts of time. You
1577	I<MUST> call C<leave_link> as soon as possible, though.	1722	I<MUST> call C<leave_link> as soon as possible, though.
1578		1723
		1724	Will never block.
		1725
1579	=item $player_object->leave_link ($map, $x, $y)	1726	=item $player_object->leave_link ($map, $x, $y)
1580		1727
1581	Moves the player out of the specila link map onto the given map. If the	1728	Moves the player out of the special C<{link}> map onto the specified
1582	map is not valid (or omitted), the player will be moved back to the	1729	map. If the map is not valid (or omitted), the player will be moved back
1583	location he/she was before the call to C<enter_link>, or, if that fails,	1730	to the location he/she was before the call to C<enter_link>, or, if that
1584	to the emergency map position.	1731	fails, to the emergency map position.
1585		1732
1586	Might block.	1733	Might block.
1587		1734
1588	=cut	1735	=cut
		1736
		1737	sub link_map {
		1738	unless ($LINK_MAP) {
		1739	$LINK_MAP = cf::map::find "{link}"
		1740	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1741	$LINK_MAP->load;
		1742	}
		1743
		1744	$LINK_MAP
		1745	}
1589		1746
1590	sub cf::object::player::enter_link {	1747	sub cf::object::player::enter_link {
1591	my ($self) = @_;	1748	my ($self) = @_;
1592		1749
1593	$self->deactivate_recursive;	1750	$self->deactivate_recursive;
1594		1751
1595	return if $self->map == $LINK_MAP;	1752	return if UNIVERSAL::isa $self->map, "ext::map_link";
1596		1753
1597	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1754	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1598	if $self->map;	1755	if $self->map;
1599		1756
1600	$self->enter_map ($LINK_MAP, 20, 20);	1757	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1601	}	1758	}
1602		1759
1603	sub cf::object::player::leave_link {	1760	sub cf::object::player::leave_link {
1604	my ($self, $map, $x, $y) = @_;	1761	my ($self, $map, $x, $y) = @_;
1605		1762
…		…
1623	# use -1 or undef as default coordinates, not 0, 0	1780	# use -1 or undef as default coordinates, not 0, 0
1624	($x, $y) = ($map->enter_x, $map->enter_y)	1781	($x, $y) = ($map->enter_x, $map->enter_y)
1625	if $x <=0 && $y <= 0;	1782	if $x <=0 && $y <= 0;
1626		1783
1627	$map->load;	1784	$map->load;
		1785	$map->load_diag;
1628		1786
1629	return unless $self->contr->active;	1787	return unless $self->contr->active;
1630	$self->activate_recursive;	1788	$self->activate_recursive;
1631	$self->enter_map ($map, $x, $y);	1789	$self->enter_map ($map, $x, $y);
1632	}	1790	}
…		…
1671	my ($self, $path, $x, $y) = @_;	1829	my ($self, $path, $x, $y) = @_;
1672		1830
1673	$self->enter_link;	1831	$self->enter_link;
1674		1832
1675	(async {	1833	(async {
1676	$path = new cf::path $path;	1834	my $map = eval {
1677
1678	my $map = cf::map::find $path->as_string;	1835	my $map = cf::map::find $path;
1679	$map = $map->customise_for ($self) if $map;	1836	$map = $map->customise_for ($self) if $map;
1680		1837	$map
1681	# warn "entering ", $map->path, " at ($x, $y)\n"	1838	} or
1682	# if $map;
1683
1684	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1839	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1685		1840
1686	$self->leave_link ($map, $x, $y);	1841	$self->leave_link ($map, $x, $y);
1687	})->prio (1);	1842	})->prio (1);
1688	}	1843	}
1689		1844
…		…
1693		1848
1694	sub parse_random_map_params {	1849	sub parse_random_map_params {
1695	my ($spec) = @_;	1850	my ($spec) = @_;
1696		1851
1697	my $rmp = { # defaults	1852	my $rmp = { # defaults
1698	xsize => 10,	1853	xsize => (cf::rndm 15, 40),
1699	ysize => 10,	1854	ysize => (cf::rndm 15, 40),
		1855	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1856	#layout => string,
1700	};	1857	};
1701		1858
1702	for (split /\n/, $spec) {	1859	for (split /\n/, $spec) {
1703	my ($k, $v) = split /\s+/, $_, 2;	1860	my ($k, $v) = split /\s+/, $_, 2;
1704		1861
…		…
1708	$rmp	1865	$rmp
1709	}	1866	}
1710		1867
1711	sub prepare_random_map {	1868	sub prepare_random_map {
1712	my ($exit) = @_;	1869	my ($exit) = @_;
		1870
		1871	my $guard = cf::lock_acquire "exit_prepare:$exit";
1713		1872
1714	# all this does is basically replace the /! path by	1873	# all this does is basically replace the /! path by
1715	# a new random map path (?random/...) with a seed	1874	# a new random map path (?random/...) with a seed
1716	# that depends on the exit object	1875	# that depends on the exit object
1717		1876
1718	my $rmp = parse_random_map_params $exit->msg;	1877	my $rmp = parse_random_map_params $exit->msg;
1719		1878
1720	if ($exit->map) {	1879	if ($exit->map) {
1721	$rmp->{region} = $exit->map->region_name;	1880	$rmp->{region} = $exit->region->name;
1722	$rmp->{origin_map} = $exit->map->path;	1881	$rmp->{origin_map} = $exit->map->path;
1723	$rmp->{origin_x} = $exit->x;	1882	$rmp->{origin_x} = $exit->x;
1724	$rmp->{origin_y} = $exit->y;	1883	$rmp->{origin_y} = $exit->y;
1725	}	1884	}
1726		1885
1727	$rmp->{random_seed} ||= $exit->random_seed;	1886	$rmp->{random_seed} ||= $exit->random_seed;
1728		1887
1729	my $data = cf::to_json $rmp;	1888	my $data = cf::to_json $rmp;
1730	my $md5 = Digest::MD5::md5_hex $data;	1889	my $md5 = Digest::MD5::md5_hex $data;
		1890	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1731		1891
1732	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1892	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1733	aio_write $fh, 0, (length $data), $data, 0;	1893	aio_write $fh, 0, (length $data), $data, 0;
		1894	undef $fh;
		1895	aio_rename "$meta~", $meta;
1734		1896
1735	$exit->slaying ("?random/$md5");	1897	$exit->slaying ("?random/$md5");
1736	$exit->msg (undef);	1898	$exit->msg (undef);
1737	}	1899	}
1738	}	1900	}
1739		1901
1740	sub cf::object::player::enter_exit {	1902	sub cf::object::player::enter_exit {
1741	my ($self, $exit) = @_;	1903	my ($self, $exit) = @_;
1742		1904
1743	return unless $self->type == cf::PLAYER;	1905	return unless $self->type == cf::PLAYER;
		1906
		1907	if ($exit->slaying eq "/!") {
		1908	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1909	cf::sync_job { prepare_random_map $exit };
		1910	}
		1911
		1912	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1913	my $hp = $exit->stats->hp;
		1914	my $sp = $exit->stats->sp;
1744		1915
1745	$self->enter_link;	1916	$self->enter_link;
1746		1917
1747	(async {	1918	(async {
1748	$self->deactivate_recursive; # just to be sure	1919	$self->deactivate_recursive; # just to be sure
1749	unless (eval {	1920	unless (eval {
1750	prepare_random_map $exit	1921	$self->goto ($slaying, $hp, $sp);
1751	if $exit->slaying eq "/!";
1752
1753	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1754	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1755		1922
1756	1;	1923	1;
1757	}) {	1924	}) {
1758	$self->message ("Something went wrong deep within the crossfire server. "	1925	$self->message ("Something went wrong deep within the crossfire server. "
1759	. "I'll try to bring you back to the map you were before. "	1926	. "I'll try to bring you back to the map you were before. "
1760	. "Please report this to the dungeon master",	1927	. "Please report this to the dungeon master!",
1761	cf::NDI_UNIQUE | cf::NDI_RED);	1928	cf::NDI_UNIQUE | cf::NDI_RED);
1762		1929
1763	warn "ERROR in enter_exit: $@";	1930	warn "ERROR in enter_exit: $@";
1764	$self->leave_link;	1931	$self->leave_link;
1765	}	1932	}
…		…
2048	sub db_sync() {	2215	sub db_sync() {
2049	db_save if $dirty;	2216	db_save if $dirty;
2050	undef $dirty;	2217	undef $dirty;
2051	}	2218	}
2052		2219
2053	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2220	my $idle = Event->idle (
2054	db_sync;	2221	reentrant => 0,
		2222	min => 10,
		2223	max => 20,
		2224	repeat => 0,
		2225	data => WF_AUTOCANCEL,
		2226	cb => \&db_sync,
2055	});	2227	);
2056		2228
2057	sub db_dirty() {	2229	sub db_dirty() {
2058	$dirty = 1;	2230	$dirty = 1;
2059	$idle->start;	2231	$idle->start;
2060	}	2232	}
…		…
2097	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2269	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2098	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	2270	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2099		2271
2100	if (exists $CFG{mlockall}) {	2272	if (exists $CFG{mlockall}) {
2101	eval {	2273	eval {
2102	$CFG{mlockall} ? &mlockall : &munlockall	2274	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2103	and die "WARNING: m(un)lockall failed: $!\n";	2275	and die "WARNING: m(un)lockall failed: $!\n";
2104	};	2276	};
2105	warn $@ if $@;	2277	warn $@ if $@;
2106	}	2278	}
2107	}	2279	}
2108		2280
2109	sub main {	2281	sub main {
2110	# we must not ever block the main coroutine	2282	# we must not ever block the main coroutine
2111	local $Coro::idle = sub {	2283	local $Coro::idle = sub {
2112	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2284	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2285	(async {
2113	async { Event::one_event };	2286	Event::one_event;
		2287	})->prio (Coro::PRIO_MAX);
2114	};	2288	};
2115		2289
2116	cfg_load;	2290	cfg_load;
2117	db_load;	2291	db_load;
2118	load_extensions;	2292	load_extensions;
		2293
		2294	$TICK_WATCHER->start;
2119	Event::loop;	2295	Event::loop;
2120	}	2296	}
2121		2297
2122	#############################################################################	2298	#############################################################################
2123	# initialisation	2299	# initialisation and cleanup
		2300
		2301	# install some emergency cleanup handlers
		2302	BEGIN {
		2303	for my $signal (qw(INT HUP TERM)) {
		2304	Event->signal (
		2305	reentrant => 0,
		2306	data => WF_AUTOCANCEL,
		2307	signal => $signal,
		2308	prio => 0,
		2309	cb => sub {
		2310	cf::cleanup "SIG$signal";
		2311	},
		2312	);
		2313	}
		2314	}
		2315
		2316	sub emergency_save() {
		2317	my $freeze_guard = cf::freeze_mainloop;
		2318
		2319	warn "enter emergency perl save\n";
		2320
		2321	cf::sync_job {
		2322	# use a peculiar iteration method to avoid tripping on perl
		2323	# refcount bugs in for. also avoids problems with players
		2324	# and maps saved/destroyed asynchronously.
		2325	warn "begin emergency player save\n";
		2326	for my $login (keys %cf::PLAYER) {
		2327	my $pl = $cf::PLAYER{$login} or next;
		2328	$pl->valid or next;
		2329	$pl->save;
		2330	}
		2331	warn "end emergency player save\n";
		2332
		2333	warn "begin emergency map save\n";
		2334	for my $path (keys %cf::MAP) {
		2335	my $map = $cf::MAP{$path} or next;
		2336	$map->valid or next;
		2337	$map->save;
		2338	}
		2339	warn "end emergency map save\n";
		2340	};
		2341
		2342	warn "leave emergency perl save\n";
		2343	}
2124		2344
2125	sub reload() {	2345	sub reload() {
2126	# can/must only be called in main	2346	# can/must only be called in main
2127	if ($Coro::current != $Coro::main) {	2347	if ($Coro::current != $Coro::main) {
2128	warn "can only reload from main coroutine\n";	2348	warn "can only reload from main coroutine";
2129	return;	2349	return;
2130	}	2350	}
2131		2351
2132	warn "reloading...";	2352	warn "reloading...";
2133		2353
2134	my $guard = freeze_mainloop;	2354	warn "cancelling server ticker";
		2355	$TICK_WATCHER->cancel;
		2356
2135	cf::emergency_save;	2357	cf::emergency_save;
2136		2358
2137	eval {	2359	eval {
2138	# if anything goes wrong in here, we should simply crash as we already saved	2360	# if anything goes wrong in here, we should simply crash as we already saved
2139		2361
2140	# cancel all watchers	2362	warn "syncing database to disk";
		2363	cf::db_sync;
		2364
		2365	warn "cancelling all WF_AUTOCANCEL watchers";
2141	for (Event::all_watchers) {	2366	for (Event::all_watchers) {
2142	$_->cancel if $_->data & WF_AUTOCANCEL;	2367	$_->cancel if $_->data & WF_AUTOCANCEL;
2143	}	2368	}
2144		2369
		2370	warn "flushing outstanding aio requests";
		2371	for (;;) {
		2372	IO::AIO::flush;
		2373	Coro::cede;
		2374	last unless IO::AIO::nreqs;
		2375	warn "iterate...";
		2376	}
		2377
2145	# cancel all extension coros	2378	warn "cancelling all extension coros";
2146	$_->cancel for values %EXT_CORO;	2379	$_->cancel for values %EXT_CORO;
2147	%EXT_CORO = ();	2380	%EXT_CORO = ();
2148		2381
2149	# unload all extensions	2382	warn "removing commands";
2150	for (@exts) {	2383	%COMMAND = ();
		2384
		2385	warn "removing ext commands";
		2386	%EXTCMD = ();
		2387
		2388	warn "unloading/nuking all extensions";
		2389	for my $pkg (@EXTS) {
2151	warn "unloading <$_>";	2390	warn "... unloading $pkg";
2152	unload_extension $_;	2391
		2392	if (my $cb = $pkg->can ("unload")) {
		2393	eval {
		2394	$cb->($pkg);
		2395	1
		2396	} or warn "$pkg unloaded, but with errors: $@";
2153	}	2397	}
2154		2398
		2399	warn "... nuking $pkg";
		2400	Symbol::delete_package $pkg;
		2401	}
		2402
2155	# unload all modules loaded from $LIBDIR	2403	warn "unloading all perl modules loaded from $LIBDIR";
2156	while (my ($k, $v) = each %INC) {	2404	while (my ($k, $v) = each %INC) {
2157	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2405	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2158		2406
2159	warn "removing <$k>";	2407	warn "... unloading $k";
2160	delete $INC{$k};	2408	delete $INC{$k};
2161		2409
2162	$k =~ s/\.pm$//;	2410	$k =~ s/\.pm$//;
2163	$k =~ s/\//::/g;	2411	$k =~ s/\//::/g;
2164		2412
…		…
2167	}	2415	}
2168		2416
2169	Symbol::delete_package $k;	2417	Symbol::delete_package $k;
2170	}	2418	}
2171		2419
2172	# sync database to disk
2173	cf::db_sync;
2174	IO::AIO::flush;
2175
2176	# get rid of safe::, as good as possible	2420	warn "getting rid of safe::, as good as possible";
2177	Symbol::delete_package "safe::$_"	2421	Symbol::delete_package "safe::$_"
2178	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2422	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2179		2423
2180	# remove register_script_function callbacks
2181	# TODO
2182
2183	# unload cf.pm "a bit"	2424	warn "unloading cf.pm \"a bit\"";
2184	delete $INC{"cf.pm"};	2425	delete $INC{"cf.pm"};
2185		2426
2186	# don't, removes xs symbols, too,	2427	# don't, removes xs symbols, too,
2187	# and global variables created in xs	2428	# and global variables created in xs
2188	#Symbol::delete_package __PACKAGE__;	2429	#Symbol::delete_package __PACKAGE__;
2189		2430
2190	# reload cf.pm	2431	warn "unload completed, starting to reload now";
		2432
2191	warn "reloading cf.pm";	2433	warn "reloading cf.pm";
2192	require cf;	2434	require cf;
2193	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2435	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2194		2436
2195	# load config and database again	2437	warn "loading config and database again";
2196	cf::cfg_load;	2438	cf::cfg_load;
2197	cf::db_load;	2439	cf::db_load;
2198		2440
2199	# load extensions
2200	warn "load extensions";	2441	warn "loading extensions";
2201	cf::load_extensions;	2442	cf::load_extensions;
2202		2443
2203	# reattach attachments to objects	2444	warn "reattaching attachments to objects/players";
2204	warn "reattach";
2205	_global_reattach;	2445	_global_reattach;
		2446	warn "reattaching attachments to maps";
2206	reattach $_ for values %MAP;	2447	reattach $_ for values %MAP;
		2448
		2449	warn "restarting server ticker";
		2450
		2451	$TICK_WATCHER->start;
2207	};	2452	};
2208		2453
2209	if ($@) {	2454	if ($@) {
2210	warn $@;	2455	warn $@;
2211	warn "error while reloading, exiting.";	2456	warn "error while reloading, exiting.";
2212	exit 1;	2457	exit 1;
2213	}	2458	}
2214		2459
2215	warn "reloaded successfully";	2460	warn "reloaded";
2216	};	2461	};
2217		2462
2218	#############################################################################	2463	our $RELOAD_WATCHER; # used only during reload
2219
2220	unless ($LINK_MAP) {
2221	$LINK_MAP = cf::map::new;
2222
2223	$LINK_MAP->width (41);
2224	$LINK_MAP->height (41);
2225	$LINK_MAP->alloc;
2226	$LINK_MAP->path ("{link}");
2227	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2228	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2229
2230	# dirty hack because... archetypes are not yet loaded
2231	Event->timer (
2232	after => 10,
2233	cb => sub {
2234	$_[0]->w->cancel;
2235
2236	# provide some exits "home"
2237	my $exit = cf::object::new "exit";
2238
2239	$exit->slaying ($EMERGENCY_POSITION->[0]);
2240	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2241	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2242
2243	$LINK_MAP->insert ($exit->clone, 19, 19);
2244	$LINK_MAP->insert ($exit->clone, 19, 20);
2245	$LINK_MAP->insert ($exit->clone, 19, 21);
2246	$LINK_MAP->insert ($exit->clone, 20, 19);
2247	$LINK_MAP->insert ($exit->clone, 20, 21);
2248	$LINK_MAP->insert ($exit->clone, 21, 19);
2249	$LINK_MAP->insert ($exit->clone, 21, 20);
2250	$LINK_MAP->insert ($exit->clone, 21, 21);
2251
2252	$exit->destroy;
2253	});
2254
2255	$LINK_MAP->{deny_save} = 1;
2256	$LINK_MAP->{deny_reset} = 1;
2257
2258	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2259	}
2260
2261	register "<global>", __PACKAGE__;
2262		2464
2263	register_command "reload" => sub {	2465	register_command "reload" => sub {
2264	my ($who, $arg) = @_;	2466	my ($who, $arg) = @_;
2265		2467
2266	if ($who->flag (FLAG_WIZ)) {	2468	if ($who->flag (FLAG_WIZ)) {
2267	$who->message ("start of reload.");	2469	$who->message ("reloading server.");
		2470
		2471	# doing reload synchronously and two reloads happen back-to-back,
		2472	# coro crashes during coro_state_free->destroy here.
		2473
		2474	$RELOAD_WATCHER ||= Event->timer (
		2475	reentrant => 0,
		2476	after => 0,
		2477	data => WF_AUTOCANCEL,
		2478	cb => sub {
2268	reload;	2479	reload;
2269	$who->message ("end of reload.");	2480	undef $RELOAD_WATCHER;
		2481	},
		2482	);
2270	}	2483	}
2271	};	2484	};
2272		2485
2273	unshift @INC, $LIBDIR;	2486	unshift @INC, $LIBDIR;
		2487
		2488	my $bug_warning = 0;
2274		2489
2275	$TICK_WATCHER = Event->timer (	2490	$TICK_WATCHER = Event->timer (
2276	reentrant => 0,	2491	reentrant => 0,
		2492	parked => 1,
2277	prio => 0,	2493	prio => 0,
2278	at => $NEXT_TICK || $TICK,	2494	at => $NEXT_TICK || $TICK,
2279	data => WF_AUTOCANCEL,	2495	data => WF_AUTOCANCEL,
2280	cb => sub {	2496	cb => sub {
		2497	if ($Coro::current != $Coro::main) {
		2498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2499	unless ++$bug_warning > 10;
		2500	return;
		2501	}
		2502
		2503	$NOW = Event::time;
		2504
2281	cf::server_tick; # one server iteration	2505	cf::server_tick; # one server iteration
2282	$RUNTIME += $TICK;	2506	$RUNTIME += $TICK;
2283	$NEXT_TICK += $TICK;	2507	$NEXT_TICK += $TICK;
		2508
		2509	$WAIT_FOR_TICK->broadcast;
		2510	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2511
		2512	Event::sweep;
		2513	Coro::cede_notself;
		2514
		2515	# my $AFTER = Event::time;
		2516	# warn $AFTER - $NOW;#d#
2284		2517
2285	# if we are delayed by four ticks or more, skip them all	2518	# if we are delayed by four ticks or more, skip them all
2286	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2519	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2287		2520
2288	$TICK_WATCHER->at ($NEXT_TICK);	2521	$TICK_WATCHER->at ($NEXT_TICK);
2289	$TICK_WATCHER->start;	2522	$TICK_WATCHER->start;
2290	},	2523	},
2291	);	2524	);
2292		2525
2293	IO::AIO::max_poll_time $TICK * 0.2;	2526	IO::AIO::max_poll_time $TICK * 0.1;
2294		2527
2295	Event->io (	2528	undef $Coro::AIO::WATCHER;
		2529	$AIO_POLL_WATCHER = Event->io (
		2530	reentrant => 0,
2296	fd => IO::AIO::poll_fileno,	2531	fd => IO::AIO::poll_fileno,
2297	poll => 'r',	2532	poll => 'r',
2298	prio => 5,	2533	prio => 6,
2299	data => WF_AUTOCANCEL,	2534	data => WF_AUTOCANCEL,
2300	cb => \&IO::AIO::poll_cb,	2535	cb => \&IO::AIO::poll_cb,
2301	);	2536	);
2302		2537
2303	Event->timer (	2538	$WRITE_RUNTIME_WATCHER = Event->timer (
		2539	reentrant => 0,
2304	data => WF_AUTOCANCEL,	2540	data => WF_AUTOCANCEL,
2305	after => 0,	2541	after => 1,
2306	interval => 10,	2542	interval => 10,
2307	cb => sub {	2543	prio => 6, # keep it lowest so it acts like a watchdog
2308	(Coro::unblock_sub {	2544	cb => Coro::unblock_sub {
2309	write_runtime	2545	write_runtime
2310	or warn "ERROR: unable to write runtime file: $!";	2546	or warn "ERROR: unable to write runtime file: $!";
2311	})->();
2312	},	2547	},
2313	);	2548	);
2314		2549
2315	END { cf::emergency_save }	2550	END { cf::emergency_save }
2316		2551

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