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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.141 by root, Fri Jan 5 20:08:53 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 2.31 ();	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
		59	our %PLAYER; # all users
52	our %MAP; # all maps	60	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	61	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	62	our $RANDOM_MAPS = cf::localdir . "/random";
55	our %EXT_CORO;	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
56		69
57	binmode STDOUT;	70	binmode STDOUT;
58	binmode STDERR;	71	binmode STDERR;
59		72
60	# read virtual server time, if available	73	# read virtual server time, if available
…		…
68	mkdir cf::localdir . "/" . cf::playerdir;	81	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	82	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	83	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	84	mkdir $RANDOM_MAPS;
72		85
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	86	our $EMERGENCY_POSITION;
		87
		88	sub cf::map::normalise;
76		89
77	#############################################################################	90	#############################################################################
78		91
79	=head2 GLOBAL VARIABLES	92	=head2 GLOBAL VARIABLES
80		93
…		…
104		117
105	=item %cf::CFG	118	=item %cf::CFG
106		119
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	120	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	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.
109		129
110	=back	130	=back
111		131
112	=cut	132	=cut
113		133
…		…
117	utf8::encode $msg;	137	utf8::encode $msg;
118		138
119	$msg .= "\n"	139	$msg .= "\n"
120	unless $msg =~ /\n$/;	140	unless $msg =~ /\n$/;
121		141
122	LOG llevError, "cfperl: $msg";	142	LOG llevError, $msg;
123	};	143	};
124	}	144	}
125		145
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		165
146	$Event::DIED = sub {	166	$Event::DIED = sub {
147	warn "error in event callback: @_";	167	warn "error in event callback: @_";
148	};	168	};
149		169
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	170	=head2 UTILITY FUNCTIONS
155		171
156	=over 4	172	=over 4
157		173
		174	=item dumpval $ref
		175
158	=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	}
159		196
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	197	use JSON::Syck (); # TODO# replace by JSON::PC once working
161		198
162	=item $ref = cf::from_json $json	199	=item $ref = cf::from_json $json
163		200
…		…
224	}	261	}
225		262
226	sub freeze_mainloop {	263	sub freeze_mainloop {
227	return unless $TICK_WATCHER->is_active;	264	return unless $TICK_WATCHER->is_active;
228		265
229	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;
230	$TICK_WATCHER->stop;	271	$TICK_WATCHER->stop;
231	$guard	272	$guard
232	}	273	}
233		274
234	=item cf::async { BLOCK }	275	=item cf::async { BLOCK }
…		…
286	}	327	}
287	}	328	}
288		329
289	=item $coro = cf::async_ext { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
290		331
291	Like async, but this coro is automcatially being canceled when the	332	Like async, but this coro is automatically being canceled when the
292	extension calling this is being unloaded.	333	extension calling this is being unloaded.
293		334
294	=cut	335	=cut
295		336
296	sub async_ext(&) {	337	sub async_ext(&) {
…		…
310	my $runtime = cf::localdir . "/runtime";	351	my $runtime = cf::localdir . "/runtime";
311		352
312	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
313	or return;	354	or return;
314		355
		356	my $value = $cf::RUNTIME + 90 + 10;
315	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
316	(aio_write $fh, 0, (length $value), $value, 0) <= 0	360	(aio_write $fh, 0, (length $value), $value, 0) <= 0
317	and return;	361	and return;
318		362
319	aio_fsync $fh	363	aio_fsync $fh
320	and return;	364	and return;
…		…
329	}	373	}
330		374
331	=back	375	=back
332		376
333	=cut	377	=cut
334
335	#############################################################################
336
337	package cf::path;
338
339	sub new {
340	my ($class, $path, $base) = @_;
341
342	$path = $path->as_string if ref $path;
343
344	my $self = bless { }, $class;
345
346	# {... are special paths that are not touched
347	# ?xxx/... are special absolute paths
348	# ?random/... random maps
349	# /! non-realised random map exit
350	# /... normal maps
351	# ~/... per-player maps without a specific player (DO NOT USE)
352	# ~user/... per-player map of a specific user
353
354	if ($path =~ /^{/) {
355	# fine as it is
356	} elsif ($path =~ s{^\?random/}{}) {
357	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
358	$self->{random} = cf::from_json $data;
359	} else {
360	if ($path =~ s{^~([^/]+)?}{}) {
361	$self->{user_rel} = 1;
362
363	if (defined $1) {
364	$self->{user} = $1;
365	} elsif ($base =~ m{^~([^/]+)/}) {
366	$self->{user} = $1;
367	} else {
368	warn "cannot resolve user-relative path without user <$path,$base>\n";
369	}
370	} elsif ($path =~ /^\//) {
371	# already absolute
372	} else {
373	$base =~ s{[^/]+/?$}{};
374	return $class->new ("$base/$path");
375	}
376
377	for ($path) {
378	redo if s{/\.?/}{/};
379	redo if s{/[^/]+/\.\./}{/};
380	}
381	}
382
383	$self->{path} = $path;
384
385	$self
386	}
387
388	# the name / primary key / in-game path
389	sub as_string {
390	my ($self) = @_;
391
392	$self->{user_rel} ? "~$self->{user}$self->{path}"
393	: $self->{random} ? "?random/$self->{path}"
394	: $self->{path}
395	}
396
397	# the displayed name, this is a one way mapping
398	sub visible_name {
399	my ($self) = @_;
400
401	# if (my $rmp = $self->{random}) {
402	# # todo: be more intelligent about this
403	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
404	# } else {
405	$self->as_string
406	# }
407	}
408
409	# escape the /'s in the path
410	sub _escaped_path {
411	# ∕ is U+2215
412	(my $path = $_[0]{path}) =~ s/\//∕/g;
413	$path
414	}
415
416	# the original (read-only) location
417	sub load_path {
418	my ($self) = @_;
419
420	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
421	}
422
423	# the temporary/swap location
424	sub save_path {
425	my ($self) = @_;
426
427	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
428	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
429	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
430	}
431
432	# the unique path, might be eq to save_path
433	sub uniq_path {
434	my ($self) = @_;
435
436	$self->{user_rel} || $self->{random}
437	? undef
438	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
439	}
440
441	# return random map parameters, or undef
442	sub random_map_params {
443	my ($self) = @_;
444
445	$self->{random}
446	}
447
448	# this is somewhat ugly, but style maps do need special treatment
449	sub is_style_map {
450	$_[0]{path} =~ m{^/styles/}
451	}
452
453	package cf;
454		378
455	#############################################################################	379	#############################################################################
456		380
457	=head2 ATTACHABLE OBJECTS	381	=head2 ATTACHABLE OBJECTS
458		382
…		…
584	our @CB_TYPE = (); # registry for type (cf-object class) based events	508	our @CB_TYPE = (); # registry for type (cf-object class) based events
585	our @CB_MAP = ();	509	our @CB_MAP = ();
586		510
587	my %attachment;	511	my %attachment;
588		512
		513	sub cf::attachable::thawer_merge {
		514	# simply override everything except _meta
		515	local $_[0]{_meta};
		516	%{$_[0]} = %{$_[1]};
		517	}
		518
589	sub _attach_cb($$$$) {	519	sub _attach_cb($$$$) {
590	my ($registry, $event, $prio, $cb) = @_;	520	my ($registry, $event, $prio, $cb) = @_;
591		521
592	use sort 'stable';	522	use sort 'stable';
593		523
…		…
764	# object support	694	# object support
765		695
766	sub reattach {	696	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	697	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	698	my ($obj) = @_;
		699
		700	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
769		701
770	my $registry = $obj->registry;	702	my $registry = $obj->registry;
771		703
772	@$registry = ();	704	@$registry = ();
773		705
…		…
905	=cut	837	=cut
906		838
907	sub register_extcmd {	839	sub register_extcmd {
908	my ($name, $cb) = @_;	840	my ($name, $cb) = @_;
909		841
910	my $caller = caller;
911	#warn "registering extcmd '$name' to '$caller'";
912
913	$EXTCMD{$name} = [$cb, $caller];	842	$EXTCMD{$name} = $cb;
914	}	843	}
915		844
916	cf::player->attach (	845	cf::player->attach (
917	on_command => sub {	846	on_command => sub {
918	my ($pl, $name, $params) = @_;	847	my ($pl, $name, $params) = @_;
…		…
931		860
932	my $msg = eval { from_json $buf };	861	my $msg = eval { from_json $buf };
933		862
934	if (ref $msg) {	863	if (ref $msg) {
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	864	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
936	if (my %reply = $cb->[0]->($pl, $msg)) {	865	if (my %reply = $cb->($pl, $msg)) {
937	$pl->ext_reply ($msg->{msgid}, %reply);	866	$pl->ext_reply ($msg->{msgid}, %reply);
938	}	867	}
939	}	868	}
940	} else {	869	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	870	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
943		872
944	cf::override;	873	cf::override;
945	},	874	},
946	);	875	);
947		876
948	sub register {
949	my ($base, $pkg) = @_;
950
951	#TODO
952	}
953
954	sub load_extension {	877	sub load_extension {
955	my ($path) = @_;	878	my ($path) = @_;
956		879
957	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	880	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
958	my $base = $1;	881	my $base = $1;
959	my $pkg = $1;	882	my $pkg = $1;
960	$pkg =~ s/[^[:word:]]/_/g;	883	$pkg =~ s/[^[:word:]]/_/g;
961	$pkg = "ext::$pkg";	884	$pkg = "ext::$pkg";
962		885
963	warn "loading '$path' into '$pkg'\n";	886	warn "... loading '$path' into '$pkg'\n";
964		887
965	open my $fh, "<:utf8", $path	888	open my $fh, "<:utf8", $path
966	or die "$path: $!";	889	or die "$path: $!";
967		890
968	my $source =	891	my $source =
969	"package $pkg; use strict; use utf8;\n"	892	"package $pkg; use strict; use utf8;\n"
970	. "#line 1 \"$path\"\n{\n"	893	. "#line 1 \"$path\"\n{\n"
971	. (do { local $/; <$fh> })	894	. (do { local $/; <$fh> })
972	. "\n};\n1";	895	. "\n};\n1";
973		896
974	eval $source	897	unless (eval $source) {
975	or die $@ ? "$path: $@\n"	898	my $msg = $@ ? "$path: $@\n"
976	: "extension disabled.\n";	899	: "extension disabled.\n";
977		900	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
978	push @exts, $pkg;	901	warn $@;
979	$ext_pkg{$base} = $pkg;	902	warn "mandatory extension failed to load, exiting.\n";
980		903	exit 1;
981	# no strict 'refs';	904	}
982	# @{"$pkg\::ISA"} = ext::;	905	die $@;
983
984	register $base, $pkg;
985	}
986
987	sub unload_extension {
988	my ($pkg) = @_;
989
990	warn "removing extension $pkg\n";
991
992	# remove hooks
993	#TODO
994	# for my $idx (0 .. $#PLUGIN_EVENT) {
995	# delete $hook[$idx]{$pkg};
996	# }	906	}
997		907
998	# remove commands	908	push @EXTS, $pkg;
999	for my $name (keys %COMMAND) {
1000	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1001
1002	if (@cb) {
1003	$COMMAND{$name} = \@cb;
1004	} else {
1005	delete $COMMAND{$name};
1006	}
1007	}
1008
1009	# remove extcmds
1010	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1011	delete $EXTCMD{$name};
1012	}
1013
1014	if (my $cb = $pkg->can ("unload")) {
1015	eval {
1016	$cb->($pkg);
1017	1
1018	} or warn "$pkg unloaded, but with errors: $@";
1019	}
1020
1021	Symbol::delete_package $pkg;
1022	}	909	}
1023		910
1024	sub load_extensions {	911	sub load_extensions {
1025	for my $ext (<$LIBDIR/*.ext>) {	912	for my $ext (<$LIBDIR/*.ext>) {
1026	next unless -r $ext;	913	next unless -r $ext;
…		…
1030	} or warn "$ext not loaded: $@";	917	} or warn "$ext not loaded: $@";
1031	}	918	}
1032	}	919	}
1033		920
1034	#############################################################################	921	#############################################################################
1035	# load/save/clean perl data associated with a map
1036
1037	*cf::mapsupport::on_clean = sub {
1038	my ($map) = @_;
1039
1040	my $path = $map->tmpname;
1041	defined $path or return;
1042
1043	unlink "$path.pst";
1044	};
1045
1046	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1047
1048	#############################################################################
1049	# load/save perl data associated with player->ob objects
1050
1051	sub all_objects(@) {
1052	@_, map all_objects ($_->inv), @_
1053	}
1054
1055	# TODO: compatibility cruft, remove when no longer needed
1056	cf::player->attach (
1057	on_load => sub {
1058	my ($pl, $path) = @_;
1059
1060	for my $o (all_objects $pl->ob) {
1061	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1062	$o->set_ob_key_value ("_perl_data");
1063
1064	%$o = %{ Storable::thaw pack "H*", $value };
1065	}
1066	}
1067	},
1068	);
1069
1070	#############################################################################
1071		922
1072	=head2 CORE EXTENSIONS	923	=head2 CORE EXTENSIONS
1073		924
1074	Functions and methods that extend core crossfire objects.	925	Functions and methods that extend core crossfire objects.
1075		926
		927	=cut
		928
		929	package cf::player;
		930
		931	use Coro::AIO;
		932
1076	=head3 cf::player	933	=head3 cf::player
1077		934
1078	=over 4	935	=over 4
1079		936
1080	=item cf::player::exists $login	937	=item cf::player::find $login
1081		938
1082	Returns true when the given account exists.	939	Returns the given player object, loading it if necessary (might block).
1083		940
1084	=cut	941	=cut
1085		942
1086	sub cf::player::exists($) {	943	sub playerdir($) {
1087	cf::player::find $_[0]	944	cf::localdir
1088	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	945	. "/"
		946	. cf::playerdir
		947	. "/"
		948	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		949	}
		950
		951	sub path($) {
		952	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		953
		954	(playerdir $login) . "/$login.pl"
		955	}
		956
		957	sub find_active($) {
		958	$cf::PLAYER{$_[0]}
		959	and $cf::PLAYER{$_[0]}->active
		960	and $cf::PLAYER{$_[0]}
		961	}
		962
		963	sub exists($) {
		964	my ($login) = @_;
		965
		966	$cf::PLAYER{$login}
		967	or cf::sync_job { !aio_stat path $login }
		968	}
		969
		970	sub find($) {
		971	return $cf::PLAYER{$_[0]} || do {
		972	my $login = $_[0];
		973
		974	my $guard = cf::lock_acquire "user_find:$login";
		975
		976	$cf::PLAYER{$_[0]} || do {
		977	my $pl = load_pl path $login
		978	or return;
		979	$cf::PLAYER{$login} = $pl
		980	}
		981	}
		982	}
		983
		984	sub save($) {
		985	my ($pl) = @_;
		986
		987	return if $pl->{deny_save};
		988
		989	my $path = path $pl;
		990	my $guard = cf::lock_acquire "user_save:$path";
		991
		992	return if $pl->{deny_save};
		993
		994	aio_mkdir playerdir $pl, 0770;
		995	$pl->{last_save} = $cf::RUNTIME;
		996
		997	$pl->save_pl ($path);
		998	Coro::cede;
		999	}
		1000
		1001	sub new($) {
		1002	my ($login) = @_;
		1003
		1004	my $self = create;
		1005
		1006	$self->ob->name ($login);
		1007	$self->{deny_save} = 1;
		1008
		1009	$cf::PLAYER{$login} = $self;
		1010
		1011	$self
		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
		1020
		1021	sub quit_character {
		1022	my ($pl) = @_;
		1023
		1024	$pl->{deny_save} = 1;
		1025	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1026
		1027	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1028	$pl->deactivate;
		1029	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1030	$pl->ns->destroy if $pl->ns;
		1031
		1032	my $path = playerdir $pl;
		1033	my $temp = "$path~$cf::RUNTIME~deleting~";
		1034	aio_rename $path, $temp;
		1035	delete $cf::PLAYER{$pl->ob->name};
		1036	$pl->destroy;
		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;
		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
1089	}	1089	}
1090		1090
1091	=item $player->ext_reply ($msgid, $msgtype, %msg)	1091	=item $player->ext_reply ($msgid, $msgtype, %msg)
1092		1092
1093	Sends an ext reply to the player.	1093	Sends an ext reply to the player.
1094		1094
1095	=cut	1095	=cut
1096		1096
1097	sub cf::player::ext_reply($$$%) {	1097	sub ext_reply($$$%) {
1098	my ($self, $id, %msg) = @_;	1098	my ($self, $id, %msg) = @_;
1099		1099
1100	$msg{msgid} = $id;	1100	$msg{msgid} = $id;
1101		1101
1102	$self->send ("ext " . to_json \%msg);	1102	$self->send ("ext " . cf::to_json \%msg);
1103	}	1103	}
		1104
		1105	package cf;
1104		1106
1105	=back	1107	=back
1106		1108
1107		1109
1108	=head3 cf::map	1110	=head3 cf::map
…		…
1114	package cf::map;	1116	package cf::map;
1115		1117
1116	use Fcntl;	1118	use Fcntl;
1117	use Coro::AIO;	1119	use Coro::AIO;
1118		1120
		1121	use overload
		1122	'""' => \&as_string,
		1123	fallback => 1;
		1124
1119	our $MAX_RESET = 3600;	1125	our $MAX_RESET = 3600;
1120	our $DEFAULT_RESET = 3000;	1126	our $DEFAULT_RESET = 3000;
1121		1127
1122	sub generate_random_map {	1128	sub generate_random_map {
1123	my ($path, $rmp) = @_;	1129	my ($self, $rmp) = @_;
1124
1125	# mit "rum" bekleckern, nicht	1130	# mit "rum" bekleckern, nicht
1126	cf::map::_create_random_map	1131	$self->_create_random_map (
1127	$path,
1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1132	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1133	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1134	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1131	$rmp->{exit_on_final_map},	1135	$rmp->{exit_on_final_map},
1132	$rmp->{xsize}, $rmp->{ysize},	1136	$rmp->{xsize}, $rmp->{ysize},
1133	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1137	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1134	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1138	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1135	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1139	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1136	$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},
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1141	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(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
1139	}	1273	}
1140		1274
1141	# and all this just because we cannot iterate over	1275	# and all this just because we cannot iterate over
1142	# all maps in C++...	1276	# all maps in C++...
1143	sub change_all_map_light {	1277	sub change_all_map_light {
…		…
1145		1279
1146	$_->change_map_light ($change)	1280	$_->change_map_light ($change)
1147	for grep $_->outdoor, values %cf::MAP;	1281	for grep $_->outdoor, values %cf::MAP;
1148	}	1282	}
1149		1283
		1284	sub unlink_save {
		1285	my ($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
1150	sub try_load_header($) {	1292	sub load_header_from($) {
1151	my ($path) = @_;	1293	my ($self, $path) = @_;
1152		1294
1153	utf8::encode $path;	1295	utf8::encode $path;
1154	aio_open $path, O_RDONLY, 0	1296	aio_open $path, O_RDONLY, 0
1155	or return;	1297	or return;
1156		1298
1157	my $map = cf::map::new	1299	$self->_load_header ($path)
1158	or return;	1300	or return;
1159		1301
1160	# for better error messages only, will be overwritten	1302	$self->{load_path} = $path;
1161	$map->path ($path);
1162		1303
1163	$map->load_header ($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
1164	or return;	1345	or return;
		1346	$self->prepare_orig;
		1347	}
1165		1348
1166	$map->{load_path} = $path;	1349	1
1167
1168	$map
1169	}	1350	}
1170		1351
1171	sub find;	1352	sub find;
1172	sub find {	1353	sub find {
1173	my ($path, $origin) = @_;	1354	my ($path, $origin) = @_;
1174		1355
1175	#warn "find<$path,$origin>\n";#d#
1176
1177	$path = new cf::path $path, $origin && $origin->path;	1356	$path = normalise $path, $origin && $origin->path;
1178	my $key = $path->as_string;
1179		1357
1180	cf::lock_wait "map_find:$key";	1358	cf::lock_wait "map_find:$path";
1181		1359
1182	$cf::MAP{$key} || do {	1360	$cf::MAP{$path} || do {
1183	my $guard = cf::lock_acquire "map_find:$key";	1361	my $guard = cf::lock_acquire "map_find:$path";
1184		1362	my $map = new_from_path cf::map $path
1185	# do it the slow way
1186	my $map = try_load_header $path->save_path;
1187
1188	Coro::cede;
1189
1190	if ($map) {
1191	$map->last_access ((delete $map->{last_access})
1192	|| $cf::RUNTIME); #d#
1193	# safety
1194	$map->{instantiate_time} = $cf::RUNTIME
1195	if $map->{instantiate_time} > $cf::RUNTIME;
1196	} else {
1197	if (my $rmp = $path->random_map_params) {
1198	$map = generate_random_map $key, $rmp;
1199	} else {
1200	$map = try_load_header $path->load_path;
1201	}
1202
1203	$map or return;	1363	or return;
1204		1364
1205	$map->{load_original} = 1;
1206	$map->{instantiate_time} = $cf::RUNTIME;
1207	$map->last_access ($cf::RUNTIME);
1208	$map->instantiate;
1209
1210	# per-player maps become, after loading, normal maps
1211	$map->per_player (0) if $path->{user_rel};
1212	}
1213
1214	$map->path ($key);
1215	$map->{path} = $path;
1216	$map->{last_save} = $cf::RUNTIME;	1365	$map->{last_save} = $cf::RUNTIME;
1217		1366
1218	Coro::cede;	1367	$map->load_header
		1368	or return;
1219		1369
1220	if ($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;
1221	$map->reset;	1373	$map->reset;
1222	undef $guard;	1374	undef $guard;
1223	$map = find $path	1375	return find $path;
1224	or return;
1225	}	1376	}
1226		1377
1227	$cf::MAP{$key} = $map	1378	$cf::MAP{$path} = $map
1228	}	1379	}
1229	}	1380	}
		1381
		1382	sub pre_load { }
		1383	sub post_load { }
1230		1384
1231	sub load {	1385	sub load {
1232	my ($self) = @_;	1386	my ($self) = @_;
1233		1387
		1388	local $self->{deny_reset} = 1; # loading can take a long time
		1389
1234	my $path = $self->{path};	1390	my $path = $self->{path};
1235	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1391	my $guard = cf::lock_acquire "map_load:$path";
1236		1392
1237	return if $self->in_memory != cf::MAP_SWAPPED;	1393	return if $self->in_memory != cf::MAP_SWAPPED;
1238		1394
1239	$self->in_memory (cf::MAP_LOADING);	1395	$self->in_memory (cf::MAP_LOADING);
1240		1396
1241	$self->alloc;	1397	$self->alloc;
		1398
		1399	$self->pre_load;
		1400
1242	$self->load_objects ($self->{load_path}, 1)	1401	$self->_load_objects ($self->{load_path}, 1)
1243	or return;	1402	or return;
1244		1403
1245	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1404	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1246	if delete $self->{load_original};	1405	if delete $self->{load_original};
1247		1406
1248	if (my $uniq = $path->uniq_path) {	1407	if (my $uniq = $self->uniq_path) {
1249	utf8::encode $uniq;	1408	utf8::encode $uniq;
1250	if (aio_open $uniq, O_RDONLY, 0) {	1409	if (aio_open $uniq, O_RDONLY, 0) {
1251	$self->clear_unique_items;	1410	$self->clear_unique_items;
1252	$self->load_objects ($uniq, 0);	1411	$self->_load_objects ($uniq, 0);
1253	}	1412	}
1254	}	1413	}
1255		1414
1256	Coro::cede;	1415	Coro::cede;
1257		1416
1258	# now do the right thing for maps	1417	# now do the right thing for maps
1259	$self->link_multipart_objects;	1418	$self->link_multipart_objects;
1260		1419
1261	if ($self->{path}->is_style_map) {	1420	unless ($self->{deny_activate}) {
1262	$self->{deny_save} = 1;	1421	$self->decay_objects;
1263	$self->{deny_reset} = 1;
1264	} else {
1265	$self->fix_auto_apply;	1422	$self->fix_auto_apply;
1266	$self->decay_objects;
1267	$self->update_buttons;	1423	$self->update_buttons;
		1424	Coro::cede;
1268	$self->set_darkness_map;	1425	$self->set_darkness_map;
1269	$self->difficulty ($self->estimate_difficulty)	1426	$self->difficulty ($self->estimate_difficulty)
1270	unless $self->difficulty;	1427	unless $self->difficulty;
		1428	Coro::cede;
1271	$self->activate;	1429	$self->activate;
1272	}	1430	}
1273		1431
1274	Coro::cede;	1432	$self->post_load;
1275		1433
1276	$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	$neigh->load;
		1467	}
1277	}	1468	}
1278		1469
1279	sub find_sync {	1470	sub find_sync {
1280	my ($path, $origin) = @_;	1471	my ($path, $origin) = @_;
1281		1472
1282	cf::sync_job { cf::map::find $path, $origin }	1473	cf::sync_job { find $path, $origin }
1283	}	1474	}
1284		1475
1285	sub do_load_sync {	1476	sub do_load_sync {
1286	my ($map) = @_;	1477	my ($map) = @_;
1287		1478
1288	cf::sync_job { $map->load };	1479	cf::sync_job { $map->load };
1289	}	1480	}
1290		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	$MAP_PREFETCHER->prio (6);
		1508
		1509	()
		1510	}
		1511
1291	sub save {	1512	sub save {
1292	my ($self) = @_;	1513	my ($self) = @_;
1293		1514
1294	my $lock = cf::lock_acquire "map_data:" . $self->path;	1515	my $lock = cf::lock_acquire "map_data:" . $self->path;
1295		1516
1296	$self->{last_save} = $cf::RUNTIME;	1517	$self->{last_save} = $cf::RUNTIME;
1297		1518
1298	return unless $self->dirty;	1519	return unless $self->dirty;
1299		1520
1300	my $save = $self->{path}->save_path; utf8::encode $save;	1521	my $save = $self->save_path; utf8::encode $save;
1301	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1522	my $uniq = $self->uniq_path; utf8::encode $uniq;
1302		1523
1303	$self->{load_path} = $save;	1524	$self->{load_path} = $save;
1304		1525
1305	return if $self->{deny_save};	1526	return if $self->{deny_save};
1306		1527
1307	local $self->{last_access} = $self->last_access;#d#	1528	local $self->{last_access} = $self->last_access;#d#
1308		1529
		1530	cf::async {
		1531	$_->contr->save for $self->players;
		1532	};
		1533
1309	if ($uniq) {	1534	if ($uniq) {
1310	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1535	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1311	$self->save_objects ($uniq, cf::IO_UNIQUES);	1536	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1312	} else {	1537	} else {
1313	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1538	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1314	}	1539	}
1315	}	1540	}
1316		1541
1317	sub swap_out {	1542	sub swap_out {
1318	my ($self) = @_;	1543	my ($self) = @_;
…		…
1332		1557
1333	sub reset_at {	1558	sub reset_at {
1334	my ($self) = @_;	1559	my ($self) = @_;
1335		1560
1336	# TODO: safety, remove and allow resettable per-player maps	1561	# TODO: safety, remove and allow resettable per-player maps
1337	return 1e99 if $self->{path}{user_rel};	1562	return 1e99 if $self->isa ("ext::map_per_player");#d#
1338	return 1e99 if $self->{deny_reset};	1563	return 1e99 if $self->{deny_reset};
1339		1564
1340	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1341	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1342		1567
…		…
1347	my ($self) = @_;	1572	my ($self) = @_;
1348		1573
1349	$self->reset_at <= $cf::RUNTIME	1574	$self->reset_at <= $cf::RUNTIME
1350	}	1575	}
1351		1576
1352	sub unlink_save {
1353	my ($self) = @_;
1354
1355	utf8::encode (my $save = $self->{path}->save_path);
1356	aioreq_pri 3; IO::AIO::aio_unlink $save;
1357	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1358	}
1359
1360	sub rename {
1361	my ($self, $new_path) = @_;
1362
1363	$self->unlink_save;
1364
1365	delete $cf::MAP{$self->path};
1366	$self->{path} = new cf::path $new_path;
1367	$self->path ($self->{path}->as_string);
1368	$cf::MAP{$self->path} = $self;
1369
1370	$self->save;
1371	}
1372
1373	sub reset {	1577	sub reset {
1374	my ($self) = @_;	1578	my ($self) = @_;
1375		1579
1376	my $lock = cf::lock_acquire "map_data:" . $self->path;	1580	my $lock = cf::lock_acquire "map_data:$self->{path}";
1377		1581
1378	return if $self->players;	1582	return if $self->players;
1379	return if $self->{path}{user_rel};#d#	1583	return if $self->isa ("ext::map_per_player");#d#
1380		1584
1381	warn "resetting map ", $self->path;#d#	1585	warn "resetting map ", $self->path;#d#
1382		1586
1383	delete $cf::MAP{$self->path};	1587	delete $cf::MAP{$self->path};
		1588
		1589	$self->in_memory (cf::MAP_SWAPPED);
		1590	$self->clear;
1384		1591
1385	$_->clear_links_to ($self) for values %cf::MAP;	1592	$_->clear_links_to ($self) for values %cf::MAP;
1386		1593
1387	$self->unlink_save;	1594	$self->unlink_save;
1388	$self->destroy;	1595	$self->destroy;
…		…
1391	my $nuke_counter = "aaaa";	1598	my $nuke_counter = "aaaa";
1392		1599
1393	sub nuke {	1600	sub nuke {
1394	my ($self) = @_;	1601	my ($self) = @_;
1395		1602
		1603	delete $cf::MAP{$self->path};
		1604
		1605	$self->unlink_save;
		1606
		1607	bless $self, "cf::map";
		1608	delete $self->{deny_reset};
1396	$self->{deny_save} = 1;	1609	$self->{deny_save} = 1;
1397	$self->reset_timeout (1);	1610	$self->reset_timeout (1);
1398	$self->rename ("{nuke}/" . ($nuke_counter++));	1611	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1612
		1613	$cf::MAP{$self->path} = $self;
		1614
1399	$self->reset; # polite request, might not happen	1615	$self->reset; # polite request, might not happen
1400	}	1616	}
1401		1617
1402	sub customise_for {	1618	=item cf::map::unique_maps
1403	my ($map, $ob) = @_;
1404		1619
1405	if ($map->per_player) {	1620	Returns an arrayref of paths of all shared maps that have
1406	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1621	instantiated unique items. May block.
1407	}
1408		1622
1409	$map	1623	=cut
1410	}
1411		1624
1412	sub emergency_save {	1625	sub unique_maps() {
1413	my $freeze_guard = cf::freeze_mainloop;	1626	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1627	or return;
1414		1628
1415	warn "enter emergency map save\n";	1629	my @paths;
1416		1630
1417	cf::sync_job {	1631	for (@$files) {
1418	warn "begin emergency map save\n";	1632	utf8::decode $_;
1419	$_->save for values %cf::MAP;	1633	next if /\.pst$/;
		1634	next unless /^$PATH_SEP/o;
		1635
		1636	push @paths, cf::map::normalise $_;
1420	};	1637	}
1421		1638
1422	warn "end emergency map save\n";	1639	\@paths
1423	}	1640	}
1424		1641
1425	package cf;	1642	package cf;
1426		1643
1427	=back	1644	=back
1428		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
1429		1672
1430	=head3 cf::object::player	1673	=head3 cf::object::player
1431		1674
1432	=over 4	1675	=over 4
1433		1676
…		…
1473		1716
1474	=item $player_object->enter_link	1717	=item $player_object->enter_link
1475		1718
1476	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}>).
1477		1720
1478	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
1479	I<MUST> call C<leave_link> as soon as possible, though.	1722	I<MUST> call C<leave_link> as soon as possible, though.
1480		1723
		1724	Will never block.
		1725
1481	=item $player_object->leave_link ($map, $x, $y)	1726	=item $player_object->leave_link ($map, $x, $y)
1482		1727
1483	Moves the player out of the specila link map onto the given map. If the	1728	Moves the player out of the special C<{link}> map onto the specified
1484	map is not valid (or omitted), the player will be moved back to the	1729	map. If the map is not valid (or omitted), the player will be moved back
1485	location he/she was before the call to C<enter_link>, or, if that fails,	1730	to the location he/she was before the call to C<enter_link>, or, if that
1486	to the emergency map position.	1731	fails, to the emergency map position.
1487		1732
1488	Might block.	1733	Might block.
1489		1734
1490	=cut	1735	=cut
		1736
		1737	sub link_map {
		1738	unless ($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	$LINK_MAP
		1745	}
1491		1746
1492	sub cf::object::player::enter_link {	1747	sub cf::object::player::enter_link {
1493	my ($self) = @_;	1748	my ($self) = @_;
1494		1749
1495	$self->deactivate_recursive;	1750	$self->deactivate_recursive;
1496		1751
1497	return if $self->map == $LINK_MAP;	1752	return if UNIVERSAL::isa $self->map, "ext::map_link";
1498		1753
1499	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1754	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1500	if $self->map;	1755	if $self->map;
1501		1756
1502	$self->enter_map ($LINK_MAP, 20, 20);	1757	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1503	}	1758	}
1504		1759
1505	sub cf::object::player::leave_link {	1760	sub cf::object::player::leave_link {
1506	my ($self, $map, $x, $y) = @_;	1761	my ($self, $map, $x, $y) = @_;
1507		1762
…		…
1525	# use -1 or undef as default coordinates, not 0, 0	1780	# use -1 or undef as default coordinates, not 0, 0
1526	($x, $y) = ($map->enter_x, $map->enter_y)	1781	($x, $y) = ($map->enter_x, $map->enter_y)
1527	if $x <=0 && $y <= 0;	1782	if $x <=0 && $y <= 0;
1528		1783
1529	$map->load;	1784	$map->load;
		1785	$map->load_diag;
1530		1786
		1787	return unless $self->contr->active;
1531	$self->activate_recursive;	1788	$self->activate_recursive;
1532	$self->enter_map ($map, $x, $y);	1789	$self->enter_map ($map, $x, $y);
1533	}	1790	}
1534		1791
1535	cf::player->attach (	1792	cf::player->attach (
…		…
1547	my ($pl) = @_;	1804	my ($pl) = @_;
1548		1805
1549	# try to abort aborted map switching on player login :)	1806	# try to abort aborted map switching on player login :)
1550	# should happen only on crashes	1807	# should happen only on crashes
1551	if ($pl->ob->{_link_pos}) {	1808	if ($pl->ob->{_link_pos}) {
1552
1553	$pl->ob->enter_link;	1809	$pl->ob->enter_link;
1554	(async {	1810	(async {
1555	# we need this sleep as the login has a concurrent enter_exit running	1811	# we need this sleep as the login has a concurrent enter_exit running
1556	# and this sleep increases chances of the player not ending up in scorn	1812	# and this sleep increases chances of the player not ending up in scorn
1557	$pl->ob->reply (undef,	1813	$pl->ob->reply (undef,
…		…
1573	my ($self, $path, $x, $y) = @_;	1829	my ($self, $path, $x, $y) = @_;
1574		1830
1575	$self->enter_link;	1831	$self->enter_link;
1576		1832
1577	(async {	1833	(async {
1578	$path = new cf::path $path;	1834	my $map = eval {
1579
1580	my $map = cf::map::find $path->as_string;	1835	my $map = cf::map::find $path;
1581	$map = $map->customise_for ($self) if $map;	1836	$map = $map->customise_for ($self) if $map;
1582		1837	$map
1583	# warn "entering ", $map->path, " at ($x, $y)\n"	1838	} or
1584	# if $map;
1585
1586	$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);
1587		1840
1588	$self->leave_link ($map, $x, $y);	1841	$self->leave_link ($map, $x, $y);
1589	})->prio (1);	1842	})->prio (1);
1590	}	1843	}
1591		1844
…		…
1595		1848
1596	sub parse_random_map_params {	1849	sub parse_random_map_params {
1597	my ($spec) = @_;	1850	my ($spec) = @_;
1598		1851
1599	my $rmp = { # defaults	1852	my $rmp = { # defaults
1600	xsize => 10,	1853	xsize => (cf::rndm 15, 40),
1601	ysize => 10,	1854	ysize => (cf::rndm 15, 40),
		1855	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1856	#layout => string,
1602	};	1857	};
1603		1858
1604	for (split /\n/, $spec) {	1859	for (split /\n/, $spec) {
1605	my ($k, $v) = split /\s+/, $_, 2;	1860	my ($k, $v) = split /\s+/, $_, 2;
1606		1861
…		…
1610	$rmp	1865	$rmp
1611	}	1866	}
1612		1867
1613	sub prepare_random_map {	1868	sub prepare_random_map {
1614	my ($exit) = @_;	1869	my ($exit) = @_;
		1870
		1871	my $guard = cf::lock_acquire "exit_prepare:$exit";
1615		1872
1616	# all this does is basically replace the /! path by	1873	# all this does is basically replace the /! path by
1617	# a new random map path (?random/...) with a seed	1874	# a new random map path (?random/...) with a seed
1618	# that depends on the exit object	1875	# that depends on the exit object
1619		1876
1620	my $rmp = parse_random_map_params $exit->msg;	1877	my $rmp = parse_random_map_params $exit->msg;
1621		1878
1622	if ($exit->map) {	1879	if ($exit->map) {
1623	$rmp->{region} = $exit->map->region_name;	1880	$rmp->{region} = $exit->region->name;
1624	$rmp->{origin_map} = $exit->map->path;	1881	$rmp->{origin_map} = $exit->map->path;
1625	$rmp->{origin_x} = $exit->x;	1882	$rmp->{origin_x} = $exit->x;
1626	$rmp->{origin_y} = $exit->y;	1883	$rmp->{origin_y} = $exit->y;
1627	}	1884	}
1628		1885
1629	$rmp->{random_seed} ||= $exit->random_seed;	1886	$rmp->{random_seed} ||= $exit->random_seed;
1630		1887
1631	my $data = cf::to_json $rmp;	1888	my $data = cf::to_json $rmp;
1632	my $md5 = Digest::MD5::md5_hex $data;	1889	my $md5 = Digest::MD5::md5_hex $data;
		1890	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1633		1891
1634	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) {
1635	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;
1636		1896
1637	$exit->slaying ("?random/$md5");	1897	$exit->slaying ("?random/$md5");
1638	$exit->msg (undef);	1898	$exit->msg (undef);
1639	}	1899	}
1640	}	1900	}
1641		1901
1642	sub cf::object::player::enter_exit {	1902	sub cf::object::player::enter_exit {
1643	my ($self, $exit) = @_;	1903	my ($self, $exit) = @_;
1644		1904
1645	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;
1646		1915
1647	$self->enter_link;	1916	$self->enter_link;
1648		1917
1649	(async {	1918	(async {
1650	$self->deactivate_recursive; # just to be sure	1919	$self->deactivate_recursive; # just to be sure
1651	unless (eval {	1920	unless (eval {
1652	prepare_random_map $exit	1921	$self->goto ($slaying, $hp, $sp);
1653	if $exit->slaying eq "/!";
1654
1655	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1656	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1657		1922
1658	1;	1923	1;
1659	}) {	1924	}) {
1660	$self->message ("Something went wrong deep within the crossfire server. "	1925	$self->message ("Something went wrong deep within the crossfire server. "
1661	. "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. "
1662	. "Please report this to the dungeon master",	1927	. "Please report this to the dungeon master!",
1663	cf::NDI_UNIQUE | cf::NDI_RED);	1928	cf::NDI_UNIQUE | cf::NDI_RED);
1664		1929
1665	warn "ERROR in enter_exit: $@";	1930	warn "ERROR in enter_exit: $@";
1666	$self->leave_link;	1931	$self->leave_link;
1667	}	1932	}
…		…
1950	sub db_sync() {	2215	sub db_sync() {
1951	db_save if $dirty;	2216	db_save if $dirty;
1952	undef $dirty;	2217	undef $dirty;
1953	}	2218	}
1954		2219
1955	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2220	my $idle = Event->idle (
1956	db_sync;	2221	reentrant => 0,
		2222	min => 10,
		2223	max => 20,
		2224	repeat => 0,
		2225	data => WF_AUTOCANCEL,
		2226	cb => \&db_sync,
1957	});	2227	);
1958		2228
1959	sub db_dirty() {	2229	sub db_dirty() {
1960	$dirty = 1;	2230	$dirty = 1;
1961	$idle->start;	2231	$idle->start;
1962	}	2232	}
…		…
1999	$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};
2000	$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};
2001		2271
2002	if (exists $CFG{mlockall}) {	2272	if (exists $CFG{mlockall}) {
2003	eval {	2273	eval {
2004	$CFG{mlockall} ? &mlockall : &munlockall	2274	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2005	and die "WARNING: m(un)lockall failed: $!\n";	2275	and die "WARNING: m(un)lockall failed: $!\n";
2006	};	2276	};
2007	warn $@ if $@;	2277	warn $@ if $@;
2008	}	2278	}
2009	}	2279	}
2010		2280
2011	sub main {	2281	sub main {
2012	# we must not ever block the main coroutine	2282	# we must not ever block the main coroutine
2013	local $Coro::idle = sub {	2283	local $Coro::idle = sub {
2014	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 {
2015	async { Event::one_event };	2286	Event::one_event;
		2287	})->prio (Coro::PRIO_MAX);
2016	};	2288	};
2017		2289
2018	cfg_load;	2290	cfg_load;
2019	db_load;	2291	db_load;
2020	load_extensions;	2292	load_extensions;
		2293
		2294	$TICK_WATCHER->start;
2021	Event::loop;	2295	Event::loop;
2022	}	2296	}
2023		2297
2024	#############################################################################	2298	#############################################################################
2025	# 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	$map->save;
		2338	}
		2339	warn "end emergency map save\n";
		2340	};
		2341
		2342	warn "leave emergency perl save\n";
		2343	}
2026		2344
2027	sub reload() {	2345	sub reload() {
2028	# can/must only be called in main	2346	# can/must only be called in main
2029	if ($Coro::current != $Coro::main) {	2347	if ($Coro::current != $Coro::main) {
2030	warn "can only reload from main coroutine\n";	2348	warn "can only reload from main coroutine";
2031	return;	2349	return;
2032	}	2350	}
2033		2351
2034	warn "reloading...";	2352	warn "reloading...";
2035		2353
2036	my $guard = freeze_mainloop;	2354	warn "cancelling server ticker";
		2355	$TICK_WATCHER->cancel;
		2356
2037	cf::emergency_save;	2357	cf::emergency_save;
2038		2358
2039	eval {	2359	eval {
2040	# 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
2041		2361
2042	# cancel all watchers	2362	warn "syncing database to disk";
		2363	cf::db_sync;
		2364
		2365	warn "cancelling all WF_AUTOCANCEL watchers";
2043	for (Event::all_watchers) {	2366	for (Event::all_watchers) {
2044	$_->cancel if $_->data & WF_AUTOCANCEL;	2367	$_->cancel if $_->data & WF_AUTOCANCEL;
2045	}	2368	}
2046		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
2047	# cancel all extension coros	2378	warn "cancelling all extension coros";
2048	$_->cancel for values %EXT_CORO;	2379	$_->cancel for values %EXT_CORO;
2049	%EXT_CORO = ();	2380	%EXT_CORO = ();
2050		2381
2051	# unload all extensions	2382	warn "removing commands";
2052	for (@exts) {	2383	%COMMAND = ();
		2384
		2385	warn "removing ext commands";
		2386	%EXTCMD = ();
		2387
		2388	warn "unloading/nuking all extensions";
		2389	for my $pkg (@EXTS) {
2053	warn "unloading <$_>";	2390	warn "... unloading $pkg";
2054	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: $@";
2055	}	2397	}
2056		2398
		2399	warn "... nuking $pkg";
		2400	Symbol::delete_package $pkg;
		2401	}
		2402
2057	# unload all modules loaded from $LIBDIR	2403	warn "unloading all perl modules loaded from $LIBDIR";
2058	while (my ($k, $v) = each %INC) {	2404	while (my ($k, $v) = each %INC) {
2059	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2405	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2060		2406
2061	warn "removing <$k>";	2407	warn "... unloading $k";
2062	delete $INC{$k};	2408	delete $INC{$k};
2063		2409
2064	$k =~ s/\.pm$//;	2410	$k =~ s/\.pm$//;
2065	$k =~ s/\//::/g;	2411	$k =~ s/\//::/g;
2066		2412
…		…
2069	}	2415	}
2070		2416
2071	Symbol::delete_package $k;	2417	Symbol::delete_package $k;
2072	}	2418	}
2073		2419
2074	# sync database to disk
2075	cf::db_sync;
2076	IO::AIO::flush;
2077
2078	# get rid of safe::, as good as possible	2420	warn "getting rid of safe::, as good as possible";
2079	Symbol::delete_package "safe::$_"	2421	Symbol::delete_package "safe::$_"
2080	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);
2081		2423
2082	# remove register_script_function callbacks
2083	# TODO
2084
2085	# unload cf.pm "a bit"	2424	warn "unloading cf.pm \"a bit\"";
2086	delete $INC{"cf.pm"};	2425	delete $INC{"cf.pm"};
2087		2426
2088	# don't, removes xs symbols, too,	2427	# don't, removes xs symbols, too,
2089	# and global variables created in xs	2428	# and global variables created in xs
2090	#Symbol::delete_package __PACKAGE__;	2429	#Symbol::delete_package __PACKAGE__;
2091		2430
2092	# reload cf.pm	2431	warn "unload completed, starting to reload now";
		2432
2093	warn "reloading cf.pm";	2433	warn "reloading cf.pm";
2094	require cf;	2434	require cf;
2095	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2435	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2096		2436
2097	# load config and database again	2437	warn "loading config and database again";
2098	cf::cfg_load;	2438	cf::cfg_load;
2099	cf::db_load;	2439	cf::db_load;
2100		2440
2101	# load extensions
2102	warn "load extensions";	2441	warn "loading extensions";
2103	cf::load_extensions;	2442	cf::load_extensions;
2104		2443
2105	# reattach attachments to objects	2444	warn "reattaching attachments to objects/players";
2106	warn "reattach";
2107	_global_reattach;	2445	_global_reattach;
		2446	warn "reattaching attachments to maps";
		2447	reattach $_ for values %MAP;
		2448
		2449	warn "restarting server ticker";
		2450
		2451	$TICK_WATCHER->start;
2108	};	2452	};
2109		2453
2110	if ($@) {	2454	if ($@) {
2111	warn $@;	2455	warn $@;
2112	warn "error while reloading, exiting.";	2456	warn "error while reloading, exiting.";
2113	exit 1;	2457	exit 1;
2114	}	2458	}
2115		2459
2116	warn "reloaded successfully";	2460	warn "reloaded";
2117	};	2461	};
2118		2462
2119	#############################################################################	2463	our $RELOAD_WATCHER; # used only during reload
2120
2121	unless ($LINK_MAP) {
2122	$LINK_MAP = cf::map::new;
2123
2124	$LINK_MAP->width (41);
2125	$LINK_MAP->height (41);
2126	$LINK_MAP->alloc;
2127	$LINK_MAP->path ("{link}");
2128	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2129	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2130
2131	# dirty hack because... archetypes are not yet loaded
2132	Event->timer (
2133	after => 2,
2134	cb => sub {
2135	$_[0]->w->cancel;
2136
2137	# provide some exits "home"
2138	my $exit = cf::object::new "exit";
2139
2140	$exit->slaying ($EMERGENCY_POSITION->[0]);
2141	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2142	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2143
2144	$LINK_MAP->insert ($exit->clone, 19, 19);
2145	$LINK_MAP->insert ($exit->clone, 19, 20);
2146	$LINK_MAP->insert ($exit->clone, 19, 21);
2147	$LINK_MAP->insert ($exit->clone, 20, 19);
2148	$LINK_MAP->insert ($exit->clone, 20, 21);
2149	$LINK_MAP->insert ($exit->clone, 21, 19);
2150	$LINK_MAP->insert ($exit->clone, 21, 20);
2151	$LINK_MAP->insert ($exit->clone, 21, 21);
2152
2153	$exit->destroy;
2154	});
2155
2156	$LINK_MAP->{deny_save} = 1;
2157	$LINK_MAP->{deny_reset} = 1;
2158
2159	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2160	}
2161
2162	register "<global>", __PACKAGE__;
2163		2464
2164	register_command "reload" => sub {	2465	register_command "reload" => sub {
2165	my ($who, $arg) = @_;	2466	my ($who, $arg) = @_;
2166		2467
2167	if ($who->flag (FLAG_WIZ)) {	2468	if ($who->flag (FLAG_WIZ)) {
2168	$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 {
2169	reload;	2479	reload;
2170	$who->message ("end of reload.");	2480	undef $RELOAD_WATCHER;
		2481	},
		2482	);
2171	}	2483	}
2172	};	2484	};
2173		2485
2174	unshift @INC, $LIBDIR;	2486	unshift @INC, $LIBDIR;
		2487
		2488	my $bug_warning = 0;
2175		2489
2176	$TICK_WATCHER = Event->timer (	2490	$TICK_WATCHER = Event->timer (
2177	reentrant => 0,	2491	reentrant => 0,
		2492	parked => 1,
2178	prio => 0,	2493	prio => 0,
2179	at => $NEXT_TICK || $TICK,	2494	at => $NEXT_TICK || $TICK,
2180	data => WF_AUTOCANCEL,	2495	data => WF_AUTOCANCEL,
2181	cb => sub {	2496	cb => sub {
		2497	if ($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
2182	cf::server_tick; # one server iteration	2505	cf::server_tick; # one server iteration
2183	$RUNTIME += $TICK;	2506	$RUNTIME += $TICK;
2184	$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#
2185		2517
2186	# 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
2187	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2519	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2188		2520
2189	$TICK_WATCHER->at ($NEXT_TICK);	2521	$TICK_WATCHER->at ($NEXT_TICK);
2190	$TICK_WATCHER->start;	2522	$TICK_WATCHER->start;
2191	},	2523	},
2192	);	2524	);
2193		2525
2194	IO::AIO::max_poll_time $TICK * 0.2;	2526	IO::AIO::max_poll_time $TICK * 0.1;
2195		2527
2196	Event->io (	2528	undef $Coro::AIO::WATCHER;
		2529	$AIO_POLL_WATCHER = Event->io (
		2530	reentrant => 0,
2197	fd => IO::AIO::poll_fileno,	2531	fd => IO::AIO::poll_fileno,
2198	poll => 'r',	2532	poll => 'r',
2199	prio => 5,	2533	prio => 6,
2200	data => WF_AUTOCANCEL,	2534	data => WF_AUTOCANCEL,
2201	cb => \&IO::AIO::poll_cb,	2535	cb => \&IO::AIO::poll_cb,
2202	);	2536	);
2203		2537
2204	Event->timer (	2538	$WRITE_RUNTIME_WATCHER = Event->timer (
		2539	reentrant => 0,
2205	data => WF_AUTOCANCEL,	2540	data => WF_AUTOCANCEL,
2206	after => 0,	2541	after => 1,
2207	interval => 10,	2542	interval => 10,
2208	cb => sub {	2543	prio => 6, # keep it lowest so it acts like a watchdog
2209	(Coro::unblock_sub {	2544	cb => Coro::unblock_sub {
2210	write_runtime	2545	write_runtime
2211	or warn "ERROR: unable to write runtime file: $!";	2546	or warn "ERROR: unable to write runtime file: $!";
2212	})->();
2213	},	2547	},
2214	);	2548	);
2215		2549
2216	END { cf::emergency_save }	2550	END { cf::emergency_save }
2217		2551

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