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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 1.188 by root, Sat Jan 20 23:30:16 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3 ();	13	use Coro 3.4 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use Data::Dumper;
20	use Digest::MD5;	21	use Digest::MD5;
21	use Fcntl;	22	use Fcntl;
22	use IO::AIO 2.31 ();	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;
76		87
77	#############################################################################	88	#############################################################################
78		89
79	=head2 GLOBAL VARIABLES	90	=head2 GLOBAL VARIABLES
…		…
104		115
105	=item %cf::CFG	116	=item %cf::CFG
106		117
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	118	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	119	from wherever your confdir points to.
		120
		121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		122
		123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		125	processing has been done. Call C<< ->wait >> on them to maximise the
		126	window of cpu time available, or simply to synchronise to the server tick.
109		127
110	=back	128	=back
111		129
112	=cut	130	=cut
113		131
…		…
117	utf8::encode $msg;	135	utf8::encode $msg;
118		136
119	$msg .= "\n"	137	$msg .= "\n"
120	unless $msg =~ /\n$/;	138	unless $msg =~ /\n$/;
121		139
122	LOG llevError, "cfperl: $msg";	140	LOG llevError, $msg;
123	};	141	};
124	}	142	}
125		143
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		163
146	$Event::DIED = sub {	164	$Event::DIED = sub {
147	warn "error in event callback: @_";	165	warn "error in event callback: @_";
148	};	166	};
149		167
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	168	=head2 UTILITY FUNCTIONS
155		169
156	=over 4	170	=over 4
157		171
		172	=item dumpval $ref
		173
158	=cut	174	=cut
		175
		176	sub dumpval {
		177	eval {
		178	local $SIG{__DIE__};
		179	my $d;
		180	if (1) {
		181	$d = new Data::Dumper([$_[0]], ["*var"]);
		182	$d->Terse(1);
		183	$d->Indent(2);
		184	$d->Quotekeys(0);
		185	$d->Useqq(1);
		186	#$d->Bless(...);
		187	$d->Seen($_[1]) if @_ > 1;
		188	$d = $d->Dump();
		189	}
		190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		191	$d
		192	} || "[unable to dump $_[0]: '$@']";
		193	}
159		194
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	195	use JSON::Syck (); # TODO# replace by JSON::PC once working
161		196
162	=item $ref = cf::from_json $json	197	=item $ref = cf::from_json $json
163		198
…		…
224	}	259	}
225		260
226	sub freeze_mainloop {	261	sub freeze_mainloop {
227	return unless $TICK_WATCHER->is_active;	262	return unless $TICK_WATCHER->is_active;
228		263
229	my $guard = Coro::guard { $TICK_WATCHER->start };	264	my $guard = Coro::guard {
		265	$TICK_WATCHER->start;
		266	$WRITE_RUNTIME_WATCHER->start;
		267	};
		268	$WRITE_RUNTIME_WATCHER->stop;
230	$TICK_WATCHER->stop;	269	$TICK_WATCHER->stop;
231	$guard	270	$guard
232	}	271	}
233		272
234	=item cf::async { BLOCK }	273	=item cf::async { BLOCK }
…		…
286	}	325	}
287	}	326	}
288		327
289	=item $coro = cf::async_ext { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
290		329
291	Like async, but this coro is automcatially being canceled when the	330	Like async, but this coro is automatically being canceled when the
292	extension calling this is being unloaded.	331	extension calling this is being unloaded.
293		332
294	=cut	333	=cut
295		334
296	sub async_ext(&) {	335	sub async_ext(&) {
…		…
310	my $runtime = cf::localdir . "/runtime";	349	my $runtime = cf::localdir . "/runtime";
311		350
312	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
313	or return;	352	or return;
314		353
		354	my $value = $cf::RUNTIME + 90 + 10;
315	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	355	# 10 is the runtime save interval, for a monotonic clock
		356	# 60 allows for the watchdog to kill the server.
		357
316	(aio_write $fh, 0, (length $value), $value, 0) <= 0	358	(aio_write $fh, 0, (length $value), $value, 0) <= 0
317	and return;	359	and return;
318		360
319	aio_fsync $fh	361	aio_fsync $fh
320	and return;	362	and return;
…		…
329	}	371	}
330		372
331	=back	373	=back
332		374
333	=cut	375	=cut
334
335	#############################################################################
336
337	package cf::path;
338
339	sub new {
340	my ($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		376
455	#############################################################################	377	#############################################################################
456		378
457	=head2 ATTACHABLE OBJECTS	379	=head2 ATTACHABLE OBJECTS
458		380
…		…
584	our @CB_TYPE = (); # registry for type (cf-object class) based events	506	our @CB_TYPE = (); # registry for type (cf-object class) based events
585	our @CB_MAP = ();	507	our @CB_MAP = ();
586		508
587	my %attachment;	509	my %attachment;
588		510
		511	sub cf::attachable::thawer_merge {
		512	# simply override everything except _meta
		513	local $_[0]{_meta};
		514	%{$_[0]} = %{$_[1]};
		515	}
		516
589	sub _attach_cb($$$$) {	517	sub _attach_cb($$$$) {
590	my ($registry, $event, $prio, $cb) = @_;	518	my ($registry, $event, $prio, $cb) = @_;
591		519
592	use sort 'stable';	520	use sort 'stable';
593		521
…		…
764	# object support	692	# object support
765		693
766	sub reattach {	694	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	695	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	696	my ($obj) = @_;
		697
		698	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
769		699
770	my $registry = $obj->registry;	700	my $registry = $obj->registry;
771		701
772	@$registry = ();	702	@$registry = ();
773		703
…		…
905	=cut	835	=cut
906		836
907	sub register_extcmd {	837	sub register_extcmd {
908	my ($name, $cb) = @_;	838	my ($name, $cb) = @_;
909		839
910	my $caller = caller;
911	#warn "registering extcmd '$name' to '$caller'";
912
913	$EXTCMD{$name} = [$cb, $caller];	840	$EXTCMD{$name} = $cb;
914	}	841	}
915		842
916	cf::player->attach (	843	cf::player->attach (
917	on_command => sub {	844	on_command => sub {
918	my ($pl, $name, $params) = @_;	845	my ($pl, $name, $params) = @_;
…		…
931		858
932	my $msg = eval { from_json $buf };	859	my $msg = eval { from_json $buf };
933		860
934	if (ref $msg) {	861	if (ref $msg) {
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
936	if (my %reply = $cb->[0]->($pl, $msg)) {	863	if (my %reply = $cb->($pl, $msg)) {
937	$pl->ext_reply ($msg->{msgid}, %reply);	864	$pl->ext_reply ($msg->{msgid}, %reply);
938	}	865	}
939	}	866	}
940	} else {	867	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
943		870
944	cf::override;	871	cf::override;
945	},	872	},
946	);	873	);
947		874
948	sub register {
949	my ($base, $pkg) = @_;
950
951	#TODO
952	}
953
954	sub load_extension {	875	sub load_extension {
955	my ($path) = @_;	876	my ($path) = @_;
956		877
957	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
958	my $base = $1;	879	my $base = $1;
959	my $pkg = $1;	880	my $pkg = $1;
960	$pkg =~ s/[^[:word:]]/_/g;	881	$pkg =~ s/[^[:word:]]/_/g;
961	$pkg = "ext::$pkg";	882	$pkg = "ext::$pkg";
962		883
963	warn "loading '$path' into '$pkg'\n";	884	warn "... loading '$path' into '$pkg'\n";
964		885
965	open my $fh, "<:utf8", $path	886	open my $fh, "<:utf8", $path
966	or die "$path: $!";	887	or die "$path: $!";
967		888
968	my $source =	889	my $source =
969	"package $pkg; use strict; use utf8;\n"	890	"package $pkg; use strict; use utf8;\n"
970	. "#line 1 \"$path\"\n{\n"	891	. "#line 1 \"$path\"\n{\n"
971	. (do { local $/; <$fh> })	892	. (do { local $/; <$fh> })
972	. "\n};\n1";	893	. "\n};\n1";
973		894
974	eval $source	895	unless (eval $source) {
975	or die $@ ? "$path: $@\n"	896	my $msg = $@ ? "$path: $@\n"
976	: "extension disabled.\n";	897	: "extension disabled.\n";
977		898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
978	push @exts, $pkg;	899	warn $@;
979	$ext_pkg{$base} = $pkg;	900	warn "mandatory extension failed to load, exiting.\n";
980		901	exit 1;
981	# no strict 'refs';	902	}
982	# @{"$pkg\::ISA"} = ext::;	903	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	# }	904	}
997		905
998	# remove commands	906	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	}	907	}
1023		908
1024	sub load_extensions {	909	sub load_extensions {
1025	for my $ext (<$LIBDIR/*.ext>) {	910	for my $ext (<$LIBDIR/*.ext>) {
1026	next unless -r $ext;	911	next unless -r $ext;
…		…
1030	} or warn "$ext not loaded: $@";	915	} or warn "$ext not loaded: $@";
1031	}	916	}
1032	}	917	}
1033		918
1034	#############################################################################	919	#############################################################################
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		920
1072	=head2 CORE EXTENSIONS	921	=head2 CORE EXTENSIONS
1073		922
1074	Functions and methods that extend core crossfire objects.	923	Functions and methods that extend core crossfire objects.
1075		924
		925	=cut
		926
		927	package cf::player;
		928
		929	use Coro::AIO;
		930
1076	=head3 cf::player	931	=head3 cf::player
1077		932
1078	=over 4	933	=over 4
1079		934
1080	=item cf::player::exists $login	935	=item cf::player::find $login
1081		936
1082	Returns true when the given account exists.	937	Returns the given player object, loading it if necessary (might block).
1083		938
1084	=cut	939	=cut
1085		940
1086	sub cf::player::exists($) {	941	sub playerdir($) {
1087	cf::player::find $_[0]	942	cf::localdir
1088	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	943	. "/"
		944	. cf::playerdir
		945	. "/"
		946	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		947	}
		948
		949	sub path($) {
		950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		951
		952	(playerdir $login) . "/$login.pl"
		953	}
		954
		955	sub find_active($) {
		956	$cf::PLAYER{$_[0]}
		957	and $cf::PLAYER{$_[0]}->active
		958	and $cf::PLAYER{$_[0]}
		959	}
		960
		961	sub exists($) {
		962	my ($login) = @_;
		963
		964	$cf::PLAYER{$login}
		965	or cf::sync_job { !aio_stat path $login }
		966	}
		967
		968	sub find($) {
		969	return $cf::PLAYER{$_[0]} || do {
		970	my $login = $_[0];
		971
		972	my $guard = cf::lock_acquire "user_find:$login";
		973
		974	$cf::PLAYER{$_[0]} || do {
		975	my $pl = load_pl path $login
		976	or return;
		977	$cf::PLAYER{$login} = $pl
		978	}
		979	}
		980	}
		981
		982	sub save($) {
		983	my ($pl) = @_;
		984
		985	return if $pl->{deny_save};
		986
		987	my $path = path $pl;
		988	my $guard = cf::lock_acquire "user_save:$path";
		989
		990	return if $pl->{deny_save};
		991
		992	aio_mkdir playerdir $pl, 0770;
		993	$pl->{last_save} = $cf::RUNTIME;
		994
		995	$pl->save_pl ($path);
		996	Coro::cede;
		997	}
		998
		999	sub new($) {
		1000	my ($login) = @_;
		1001
		1002	my $self = create;
		1003
		1004	$self->ob->name ($login);
		1005	$self->{deny_save} = 1;
		1006
		1007	$cf::PLAYER{$login} = $self;
		1008
		1009	$self
		1010	}
		1011
		1012	=item $pl->quit_character
		1013
		1014	Nukes the player without looking back. If logged in, the connection will
		1015	be destroyed. May block for a long time.
		1016
		1017	=cut
		1018
		1019	sub quit_character {
		1020	my ($pl) = @_;
		1021
		1022	$pl->{deny_save} = 1;
		1023	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1024
		1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1026	$pl->deactivate;
		1027	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1028	$pl->ns->destroy if $pl->ns;
		1029
		1030	my $path = playerdir $pl;
		1031	my $temp = "$path~$cf::RUNTIME~deleting~";
		1032	aio_rename $path, $temp;
		1033	delete $cf::PLAYER{$pl->ob->name};
		1034	$pl->destroy;
		1035	IO::AIO::aio_rmtree $temp;
		1036	}
		1037
		1038	=item cf::player::list_logins
		1039
		1040	Returns am arrayref of all valid playernames in the system, can take a
		1041	while and may block, so not sync_job-capable, ever.
		1042
		1043	=cut
		1044
		1045	sub list_logins {
		1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1047	or return [];
		1048
		1049	my @logins;
		1050
		1051	for my $login (@$dirs) {
		1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1053	aio_read $fh, 0, 512, my $buf, 0 or next;
		1054	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1055
		1056	utf8::decode $login;
		1057	push @logins, $login;
		1058	}
		1059
		1060	\@logins
		1061	}
		1062
		1063	=item $player->maps
		1064
		1065	Returns an arrayref of map paths that are private for this
		1066	player. May block.
		1067
		1068	=cut
		1069
		1070	sub maps($) {
		1071	my ($pl) = @_;
		1072
		1073	my $files = aio_readdir playerdir $pl
		1074	or return;
		1075
		1076	my @paths;
		1077
		1078	for (@$files) {
		1079	utf8::decode $_;
		1080	next if /\.(?:pl|pst)$/;
		1081	next unless /^$PATH_SEP/o;
		1082
		1083	s/\.map$//;
		1084	push @paths, "~" . $pl->ob->name . "/" . $_;
		1085	}
		1086
		1087	\@paths
1089	}	1088	}
1090		1089
1091	=item $player->ext_reply ($msgid, $msgtype, %msg)	1090	=item $player->ext_reply ($msgid, $msgtype, %msg)
1092		1091
1093	Sends an ext reply to the player.	1092	Sends an ext reply to the player.
1094		1093
1095	=cut	1094	=cut
1096		1095
1097	sub cf::player::ext_reply($$$%) {	1096	sub ext_reply($$$%) {
1098	my ($self, $id, %msg) = @_;	1097	my ($self, $id, %msg) = @_;
1099		1098
1100	$msg{msgid} = $id;	1099	$msg{msgid} = $id;
1101		1100
1102	$self->send ("ext " . to_json \%msg);	1101	$self->send ("ext " . cf::to_json \%msg);
1103	}	1102	}
		1103
		1104	package cf;
1104		1105
1105	=back	1106	=back
1106		1107
1107		1108
1108	=head3 cf::map	1109	=head3 cf::map
…		…
1114	package cf::map;	1115	package cf::map;
1115		1116
1116	use Fcntl;	1117	use Fcntl;
1117	use Coro::AIO;	1118	use Coro::AIO;
1118		1119
		1120	use overload
		1121	'""' => \&as_string,
		1122	fallback => 1;
		1123
1119	our $MAX_RESET = 3600;	1124	our $MAX_RESET = 3600;
1120	our $DEFAULT_RESET = 3000;	1125	our $DEFAULT_RESET = 3000;
1121		1126
1122	sub generate_random_map {	1127	sub generate_random_map {
1123	my ($path, $rmp) = @_;	1128	my ($self, $rmp) = @_;
1124
1125	# mit "rum" bekleckern, nicht	1129	# mit "rum" bekleckern, nicht
1126	cf::map::_create_random_map	1130	$self->_create_random_map (
1127	$path,
1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1131	$rmp->{exit_on_final_map},	1134	$rmp->{exit_on_final_map},
1132	$rmp->{xsize}, $rmp->{ysize},	1135	$rmp->{xsize}, $rmp->{ysize},
1133	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1134	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1135	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1136	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1139	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region})	1141	(cf::region::find $rmp->{region}), $rmp->{custom}
		1142	)
		1143	}
		1144
		1145	=item cf::map->register ($regex, $prio)
		1146
		1147	Register a handler for the map path matching the given regex at the
		1148	givne priority (higher is better, built-in handlers have priority 0, the
		1149	default).
		1150
		1151	=cut
		1152
		1153	sub register {
		1154	my (undef, $regex, $prio) = @_;
		1155	my $pkg = caller;
		1156
		1157	no strict;
		1158	push @{"$pkg\::ISA"}, __PACKAGE__;
		1159
		1160	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1161	}
		1162
		1163	# also paths starting with '/'
		1164	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1165
		1166	sub thawer_merge {
		1167	my ($self, $merge) = @_;
		1168
		1169	# we have to keep some variables in memory intact
		1170	local $self->{path};
		1171	local $self->{load_path};
		1172	local $self->{deny_save};
		1173	local $self->{deny_reset};
		1174
		1175	$self->SUPER::thawer_merge ($merge);
		1176	}
		1177
		1178	sub normalise {
		1179	my ($path, $base) = @_;
		1180
		1181	# map plan:
		1182	#
		1183	# /! non-realised random map exit (special hack!)
		1184	# {... are special paths that are not being touched
		1185	# ?xxx/... are special absolute paths
		1186	# ?random/... random maps
		1187	# /... normal maps
		1188	# ~user/... per-player map of a specific user
		1189
		1190	$path =~ s/$PATH_SEP/\//go;
		1191
		1192	# treat it as relative path if it starts with
		1193	# something that looks reasonable
		1194	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1195	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1196
		1197	$base =~ s{[^/]+/?$}{};
		1198	$path = "$base/$path";
		1199	}
		1200
		1201	for ($path) {
		1202	redo if s{//}{/};
		1203	redo if s{/\.?/}{/};
		1204	redo if s{/[^/]+/\.\./}{/};
		1205	}
		1206
		1207	$path
		1208	}
		1209
		1210	sub new_from_path {
		1211	my (undef, $path, $base) = @_;
		1212
		1213	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1214
		1215	$path = normalise $path, $base;
		1216
		1217	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1218	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1219	my $self = bless cf::map::new, $pkg;
		1220	$self->{path} = $path; $self->path ($path);
		1221	$self->init; # pass $1 etc.
		1222	return $self;
		1223	}
		1224	}
		1225
		1226	Carp::carp "unable to resolve path '$path'.";
		1227	()
		1228	}
		1229
		1230	sub init {
		1231	my ($self) = @_;
		1232
		1233	$self
		1234	}
		1235
		1236	sub as_string {
		1237	my ($self) = @_;
		1238
		1239	"$self->{path}"
		1240	}
		1241
		1242	# the displayed name, this is a one way mapping
		1243	sub visible_name {
		1244	&as_string
		1245	}
		1246
		1247	# the original (read-only) location
		1248	sub load_path {
		1249	my ($self) = @_;
		1250
		1251	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		1252	}
		1253
		1254	# the temporary/swap location
		1255	sub save_path {
		1256	my ($self) = @_;
		1257
		1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1259	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
		1260	}
		1261
		1262	# the unique path, undef == no special unique path
		1263	sub uniq_path {
		1264	my ($self) = @_;
		1265
		1266	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1267	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1139	}	1268	}
1140		1269
1141	# and all this just because we cannot iterate over	1270	# and all this just because we cannot iterate over
1142	# all maps in C++...	1271	# all maps in C++...
1143	sub change_all_map_light {	1272	sub change_all_map_light {
…		…
1145		1274
1146	$_->change_map_light ($change)	1275	$_->change_map_light ($change)
1147	for grep $_->outdoor, values %cf::MAP;	1276	for grep $_->outdoor, values %cf::MAP;
1148	}	1277	}
1149		1278
		1279	sub unlink_save {
		1280	my ($self) = @_;
		1281
		1282	utf8::encode (my $save = $self->save_path);
		1283	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1284	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1285	}
		1286
1150	sub try_load_header($) {	1287	sub load_header_from($) {
1151	my ($path) = @_;	1288	my ($self, $path) = @_;
1152		1289
1153	utf8::encode $path;	1290	utf8::encode $path;
1154	aio_open $path, O_RDONLY, 0	1291	aio_open $path, O_RDONLY, 0
1155	or return;	1292	or return;
1156		1293
1157	my $map = cf::map::new	1294	$self->_load_header ($path)
1158	or return;	1295	or return;
1159		1296
1160	# for better error messages only, will be overwritten	1297	$self->{load_path} = $path;
1161	$map->path ($path);
1162		1298
1163	$map->load_header ($path)	1299	1
		1300	}
		1301
		1302	sub load_header_orig {
		1303	my ($self) = @_;
		1304
		1305	$self->load_header_from ($self->load_path)
		1306	}
		1307
		1308	sub load_header_temp {
		1309	my ($self) = @_;
		1310
		1311	$self->load_header_from ($self->save_path)
		1312	}
		1313
		1314	sub prepare_temp {
		1315	my ($self) = @_;
		1316
		1317	$self->last_access ((delete $self->{last_access})
		1318	|| $cf::RUNTIME); #d#
		1319	# safety
		1320	$self->{instantiate_time} = $cf::RUNTIME
		1321	if $self->{instantiate_time} > $cf::RUNTIME;
		1322	}
		1323
		1324	sub prepare_orig {
		1325	my ($self) = @_;
		1326
		1327	$self->{load_original} = 1;
		1328	$self->{instantiate_time} = $cf::RUNTIME;
		1329	$self->last_access ($cf::RUNTIME);
		1330	$self->instantiate;
		1331	}
		1332
		1333	sub load_header {
		1334	my ($self) = @_;
		1335
		1336	if ($self->load_header_temp) {
		1337	$self->prepare_temp;
		1338	} else {
		1339	$self->load_header_orig
1164	or return;	1340	or return;
		1341	$self->prepare_orig;
		1342	}
1165		1343
1166	$map->{load_path} = $path;	1344	1
1167
1168	$map
1169	}	1345	}
1170		1346
1171	sub find;	1347	sub find;
1172	sub find {	1348	sub find {
1173	my ($path, $origin) = @_;	1349	my ($path, $origin) = @_;
1174		1350
1175	#warn "find<$path,$origin>\n";#d#
1176
1177	$path = new cf::path $path, $origin && $origin->path;	1351	$path = normalise $path, $origin && $origin->path;
1178	my $key = $path->as_string;
1179		1352
1180	cf::lock_wait "map_find:$key";	1353	cf::lock_wait "map_find:$path";
1181		1354
1182	$cf::MAP{$key} || do {	1355	$cf::MAP{$path} || do {
1183	my $guard = cf::lock_acquire "map_find:$key";	1356	my $guard = cf::lock_acquire "map_find:$path";
1184		1357	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;	1358	or return;
1204		1359
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;	1360	$map->{last_save} = $cf::RUNTIME;
1217		1361
1218	Coro::cede;	1362	$map->load_header
		1363	or return;
1219		1364
1220	if ($map->should_reset) {	1365	if ($map->should_reset) {
		1366	# doing this can freeze the server in a sync job, obviously
		1367	#$cf::WAIT_FOR_TICK->wait;
1221	$map->reset;	1368	$map->reset;
1222	undef $guard;	1369	undef $guard;
1223	$map = find $path	1370	$map = find $path
1224	or return;	1371	or return;
1225	}	1372	}
1226		1373
1227	$cf::MAP{$key} = $map	1374	$cf::MAP{$path} = $map
1228	}	1375	}
1229	}	1376	}
		1377
		1378	sub pre_load { }
		1379	sub post_load { }
1230		1380
1231	sub load {	1381	sub load {
1232	my ($self) = @_;	1382	my ($self) = @_;
1233		1383
1234	my $path = $self->{path};	1384	my $path = $self->{path};
1235	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1385	my $guard = cf::lock_acquire "map_load:$path";
1236		1386
1237	return if $self->in_memory != cf::MAP_SWAPPED;	1387	return if $self->in_memory != cf::MAP_SWAPPED;
1238		1388
1239	$self->in_memory (cf::MAP_LOADING);	1389	$self->in_memory (cf::MAP_LOADING);
1240		1390
1241	$self->alloc;	1391	$self->alloc;
		1392
		1393	$self->pre_load;
		1394
1242	$self->load_objects ($self->{load_path}, 1)	1395	$self->_load_objects ($self->{load_path}, 1)
1243	or return;	1396	or return;
1244		1397
1245	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1398	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1246	if delete $self->{load_original};	1399	if delete $self->{load_original};
1247		1400
1248	if (my $uniq = $path->uniq_path) {	1401	if (my $uniq = $self->uniq_path) {
1249	utf8::encode $uniq;	1402	utf8::encode $uniq;
1250	if (aio_open $uniq, O_RDONLY, 0) {	1403	if (aio_open $uniq, O_RDONLY, 0) {
1251	$self->clear_unique_items;	1404	$self->clear_unique_items;
1252	$self->load_objects ($uniq, 0);	1405	$self->_load_objects ($uniq, 0);
1253	}	1406	}
1254	}	1407	}
1255		1408
1256	Coro::cede;	1409	Coro::cede;
1257		1410
1258	# now do the right thing for maps	1411	# now do the right thing for maps
1259	$self->link_multipart_objects;	1412	$self->link_multipart_objects;
1260		1413
1261	if ($self->{path}->is_style_map) {	1414	unless ($self->{deny_activate}) {
1262	$self->{deny_save} = 1;	1415	$self->decay_objects;
1263	$self->{deny_reset} = 1;
1264	} else {
1265	$self->fix_auto_apply;	1416	$self->fix_auto_apply;
1266	$self->decay_objects;
1267	$self->update_buttons;	1417	$self->update_buttons;
		1418	Coro::cede;
1268	$self->set_darkness_map;	1419	$self->set_darkness_map;
1269	$self->difficulty ($self->estimate_difficulty)	1420	$self->difficulty ($self->estimate_difficulty)
1270	unless $self->difficulty;	1421	unless $self->difficulty;
		1422	Coro::cede;
1271	$self->activate;	1423	$self->activate;
1272	}	1424	}
1273		1425
1274	Coro::cede;	1426	$self->post_load;
1275		1427
1276	$self->in_memory (cf::MAP_IN_MEMORY);	1428	$self->in_memory (cf::MAP_IN_MEMORY);
		1429	}
		1430
		1431	sub customise_for {
		1432	my ($self, $ob) = @_;
		1433
		1434	return find "~" . $ob->name . "/" . $self->{path}
		1435	if $self->per_player;
		1436
		1437	$self
		1438	}
		1439
		1440	# find and load all maps in the 3x3 area around a map
		1441	sub load_diag {
		1442	my ($map) = @_;
		1443
		1444	my @diag; # diagonal neighbours
		1445
		1446	for (0 .. 3) {
		1447	my $neigh = $map->tile_path ($_)
		1448	or next;
		1449	$neigh = find $neigh, $map
		1450	or next;
		1451	$neigh->load;
		1452
		1453	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1454	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1455	}
		1456
		1457	for (@diag) {
		1458	my $neigh = find @$_
		1459	or next;
		1460	$neigh->load;
		1461	}
1277	}	1462	}
1278		1463
1279	sub find_sync {	1464	sub find_sync {
1280	my ($path, $origin) = @_;	1465	my ($path, $origin) = @_;
1281		1466
1282	cf::sync_job { cf::map::find $path, $origin }	1467	cf::sync_job { find $path, $origin }
1283	}	1468	}
1284		1469
1285	sub do_load_sync {	1470	sub do_load_sync {
1286	my ($map) = @_;	1471	my ($map) = @_;
1287		1472
1288	cf::sync_job { $map->load };	1473	cf::sync_job { $map->load };
1289	}	1474	}
1290		1475
		1476	our %MAP_PREFETCH;
		1477	our $MAP_PREFETCHER = undef;
		1478
		1479	sub find_async {
		1480	my ($path, $origin) = @_;
		1481
		1482	$path = normalise $path, $origin && $origin->{path};
		1483
		1484	if (my $map = $cf::MAP{$path}) {
		1485	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1486	}
		1487
		1488	undef $MAP_PREFETCH{$path};
		1489	$MAP_PREFETCHER ||= cf::async {
		1490	while (%MAP_PREFETCH) {
		1491	for my $path (keys %MAP_PREFETCH) {
		1492	my $map = find $path
		1493	or next;
		1494	$map->load;
		1495
		1496	delete $MAP_PREFETCH{$path};
		1497	}
		1498	}
		1499	undef $MAP_PREFETCHER;
		1500	};
		1501
		1502	()
		1503	}
		1504
1291	sub save {	1505	sub save {
1292	my ($self) = @_;	1506	my ($self) = @_;
1293		1507
1294	my $lock = cf::lock_acquire "map_data:" . $self->path;	1508	my $lock = cf::lock_acquire "map_data:" . $self->path;
1295		1509
1296	$self->{last_save} = $cf::RUNTIME;	1510	$self->{last_save} = $cf::RUNTIME;
1297		1511
1298	return unless $self->dirty;	1512	return unless $self->dirty;
1299		1513
1300	my $save = $self->{path}->save_path; utf8::encode $save;	1514	my $save = $self->save_path; utf8::encode $save;
1301	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1515	my $uniq = $self->uniq_path; utf8::encode $uniq;
1302		1516
1303	$self->{load_path} = $save;	1517	$self->{load_path} = $save;
1304		1518
1305	return if $self->{deny_save};	1519	return if $self->{deny_save};
1306		1520
1307	local $self->{last_access} = $self->last_access;#d#	1521	local $self->{last_access} = $self->last_access;#d#
1308		1522
		1523	cf::async {
		1524	$_->contr->save for $self->players;
		1525	};
		1526
1309	if ($uniq) {	1527	if ($uniq) {
1310	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1528	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1311	$self->save_objects ($uniq, cf::IO_UNIQUES);	1529	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1312	} else {	1530	} else {
1313	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1531	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1314	}	1532	}
1315	}	1533	}
1316		1534
1317	sub swap_out {	1535	sub swap_out {
1318	my ($self) = @_;	1536	my ($self) = @_;
…		…
1332		1550
1333	sub reset_at {	1551	sub reset_at {
1334	my ($self) = @_;	1552	my ($self) = @_;
1335		1553
1336	# TODO: safety, remove and allow resettable per-player maps	1554	# TODO: safety, remove and allow resettable per-player maps
1337	return 1e99 if $self->{path}{user_rel};	1555	return 1e99 if $self->isa ("ext::map_per_player");#d#
1338	return 1e99 if $self->{deny_reset};	1556	return 1e99 if $self->{deny_reset};
1339		1557
1340	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1558	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1341	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1559	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1342		1560
…		…
1347	my ($self) = @_;	1565	my ($self) = @_;
1348		1566
1349	$self->reset_at <= $cf::RUNTIME	1567	$self->reset_at <= $cf::RUNTIME
1350	}	1568	}
1351		1569
1352	sub unlink_save {
1353	my ($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	$self->save;
1371	}
1372
1373	sub reset {	1570	sub reset {
1374	my ($self) = @_;	1571	my ($self) = @_;
1375		1572
1376	my $lock = cf::lock_acquire "map_data:" . $self->path;	1573	my $lock = cf::lock_acquire "map_data:$self->{path}";
1377		1574
1378	return if $self->players;	1575	return if $self->players;
1379	return if $self->{path}{user_rel};#d#	1576	return if $self->isa ("ext::map_per_player");#d#
1380		1577
1381	warn "resetting map ", $self->path;#d#	1578	warn "resetting map ", $self->path;#d#
1382		1579
1383	delete $cf::MAP{$self->path};	1580	delete $cf::MAP{$self->path};
		1581
		1582	$self->in_memory (cf::MAP_SWAPPED);
		1583	$self->clear;
1384		1584
1385	$_->clear_links_to ($self) for values %cf::MAP;	1585	$_->clear_links_to ($self) for values %cf::MAP;
1386		1586
1387	$self->unlink_save;	1587	$self->unlink_save;
1388	$self->destroy;	1588	$self->destroy;
…		…
1391	my $nuke_counter = "aaaa";	1591	my $nuke_counter = "aaaa";
1392		1592
1393	sub nuke {	1593	sub nuke {
1394	my ($self) = @_;	1594	my ($self) = @_;
1395		1595
		1596	delete $cf::MAP{$self->path};
		1597
		1598	$self->unlink_save;
		1599
		1600	bless $self, "cf::map";
		1601	delete $self->{deny_reset};
1396	$self->{deny_save} = 1;	1602	$self->{deny_save} = 1;
1397	$self->reset_timeout (1);	1603	$self->reset_timeout (1);
1398	$self->rename ("{nuke}/" . ($nuke_counter++));	1604	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1605
		1606	$cf::MAP{$self->path} = $self;
		1607
1399	$self->reset; # polite request, might not happen	1608	$self->reset; # polite request, might not happen
1400	}	1609	}
1401		1610
1402	sub customise_for {	1611	=item cf::map::unique_maps
1403	my ($map, $ob) = @_;
1404		1612
1405	if ($map->per_player) {	1613	Returns an arrayref of paths of all shared maps that have
1406	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1614	instantiated unique items. May block.
1407	}
1408		1615
1409	$map	1616	=cut
1410	}
1411		1617
1412	sub emergency_save {	1618	sub unique_maps() {
1413	my $freeze_guard = cf::freeze_mainloop;	1619	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1620	or return;
1414		1621
1415	warn "enter emergency map save\n";	1622	my @paths;
1416		1623
1417	cf::sync_job {	1624	for (@$files) {
1418	warn "begin emergency map save\n";	1625	utf8::decode $_;
1419	$_->save for values %cf::MAP;	1626	next if /\.pst$/;
		1627	next unless /^$PATH_SEP/o;
		1628
		1629	s/\.map$//;
		1630	push @paths, $_;
1420	};	1631	}
1421		1632
1422	warn "end emergency map save\n";	1633	\@paths
1423	}	1634	}
1424		1635
1425	package cf;	1636	package cf;
1426		1637
1427	=back	1638	=back
1428		1639
		1640	=head3 cf::object
		1641
		1642	=cut
		1643
		1644	package cf::object;
		1645
		1646	=over 4
		1647
		1648	=item $ob->inv_recursive
		1649
		1650	Returns the inventory of the object _and_ their inventories, recursively.
		1651
		1652	=cut
		1653
		1654	sub inv_recursive_;
		1655	sub inv_recursive_ {
		1656	map { $_, inv_recursive_ $_->inv } @_
		1657	}
		1658
		1659	sub inv_recursive {
		1660	inv_recursive_ inv $_[0]
		1661	}
		1662
		1663	package cf;
		1664
		1665	=back
1429		1666
1430	=head3 cf::object::player	1667	=head3 cf::object::player
1431		1668
1432	=over 4	1669	=over 4
1433		1670
…		…
1473		1710
1474	=item $player_object->enter_link	1711	=item $player_object->enter_link
1475		1712
1476	Freezes the player and moves him/her to a special map (C<{link}>).	1713	Freezes the player and moves him/her to a special map (C<{link}>).
1477		1714
1478	The player should be reaosnably safe there for short amounts of time. You	1715	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.	1716	I<MUST> call C<leave_link> as soon as possible, though.
1480		1717
		1718	Will never block.
		1719
1481	=item $player_object->leave_link ($map, $x, $y)	1720	=item $player_object->leave_link ($map, $x, $y)
1482		1721
1483	Moves the player out of the specila link map onto the given map. If the	1722	Moves the player out of the special C<{link}> map onto the specified
1484	map is not valid (or omitted), the player will be moved back to the	1723	map. If the map is not valid (or omitted), the player will be moved back
1485	location he/she was before the call to C<enter_link>, or, if that fails,	1724	to the location he/she was before the call to C<enter_link>, or, if that
1486	to the emergency map position.	1725	fails, to the emergency map position.
1487		1726
1488	Might block.	1727	Might block.
1489		1728
1490	=cut	1729	=cut
		1730
		1731	sub link_map {
		1732	unless ($LINK_MAP) {
		1733	$LINK_MAP = cf::map::find "{link}"
		1734	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
		1735	$LINK_MAP->load;
		1736	}
		1737
		1738	$LINK_MAP
		1739	}
1491		1740
1492	sub cf::object::player::enter_link {	1741	sub cf::object::player::enter_link {
1493	my ($self) = @_;	1742	my ($self) = @_;
1494		1743
1495	$self->deactivate_recursive;	1744	$self->deactivate_recursive;
1496		1745
1497	return if $self->map == $LINK_MAP;	1746	return if UNIVERSAL::isa $self->map, "ext::map_link";
1498		1747
1499	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1748	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1500	if $self->map;	1749	if $self->map;
1501		1750
1502	$self->enter_map ($LINK_MAP, 20, 20);	1751	$self->enter_map ($LINK_MAP || link_map, 20, 20);
1503	}	1752	}
1504		1753
1505	sub cf::object::player::leave_link {	1754	sub cf::object::player::leave_link {
1506	my ($self, $map, $x, $y) = @_;	1755	my ($self, $map, $x, $y) = @_;
1507		1756
…		…
1525	# use -1 or undef as default coordinates, not 0, 0	1774	# use -1 or undef as default coordinates, not 0, 0
1526	($x, $y) = ($map->enter_x, $map->enter_y)	1775	($x, $y) = ($map->enter_x, $map->enter_y)
1527	if $x <=0 && $y <= 0;	1776	if $x <=0 && $y <= 0;
1528		1777
1529	$map->load;	1778	$map->load;
		1779	$map->load_diag;
1530		1780
		1781	return unless $self->contr->active;
1531	$self->activate_recursive;	1782	$self->activate_recursive;
1532	$self->enter_map ($map, $x, $y);	1783	$self->enter_map ($map, $x, $y);
1533	}	1784	}
1534		1785
1535	cf::player->attach (	1786	cf::player->attach (
…		…
1547	my ($pl) = @_;	1798	my ($pl) = @_;
1548		1799
1549	# try to abort aborted map switching on player login :)	1800	# try to abort aborted map switching on player login :)
1550	# should happen only on crashes	1801	# should happen only on crashes
1551	if ($pl->ob->{_link_pos}) {	1802	if ($pl->ob->{_link_pos}) {
1552
1553	$pl->ob->enter_link;	1803	$pl->ob->enter_link;
1554	(async {	1804	(async {
1555	# we need this sleep as the login has a concurrent enter_exit running	1805	# 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	1806	# and this sleep increases chances of the player not ending up in scorn
1557	$pl->ob->reply (undef,	1807	$pl->ob->reply (undef,
…		…
1573	my ($self, $path, $x, $y) = @_;	1823	my ($self, $path, $x, $y) = @_;
1574		1824
1575	$self->enter_link;	1825	$self->enter_link;
1576		1826
1577	(async {	1827	(async {
1578	$path = new cf::path $path;
1579
1580	my $map = cf::map::find $path->as_string;	1828	my $map = cf::map::find $path;
1581	$map = $map->customise_for ($self) if $map;	1829	$map = $map->customise_for ($self) if $map;
1582		1830
1583	# warn "entering ", $map->path, " at ($x, $y)\n"	1831	# warn "entering ", $map->path, " at ($x, $y)\n"
1584	# if $map;	1832	# if $map;
1585		1833
1586	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1834	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1587		1835
1588	$self->leave_link ($map, $x, $y);	1836	$self->leave_link ($map, $x, $y);
1589	})->prio (1);	1837	})->prio (1);
1590	}	1838	}
1591		1839
…		…
1595		1843
1596	sub parse_random_map_params {	1844	sub parse_random_map_params {
1597	my ($spec) = @_;	1845	my ($spec) = @_;
1598		1846
1599	my $rmp = { # defaults	1847	my $rmp = { # defaults
1600	xsize => 10,	1848	xsize => (cf::rndm 15, 40),
1601	ysize => 10,	1849	ysize => (cf::rndm 15, 40),
		1850	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1851	#layout => string,
1602	};	1852	};
1603		1853
1604	for (split /\n/, $spec) {	1854	for (split /\n/, $spec) {
1605	my ($k, $v) = split /\s+/, $_, 2;	1855	my ($k, $v) = split /\s+/, $_, 2;
1606		1856
…		…
1610	$rmp	1860	$rmp
1611	}	1861	}
1612		1862
1613	sub prepare_random_map {	1863	sub prepare_random_map {
1614	my ($exit) = @_;	1864	my ($exit) = @_;
		1865
		1866	my $guard = cf::lock_acquire "exit_prepare:$exit";
1615		1867
1616	# all this does is basically replace the /! path by	1868	# all this does is basically replace the /! path by
1617	# a new random map path (?random/...) with a seed	1869	# a new random map path (?random/...) with a seed
1618	# that depends on the exit object	1870	# that depends on the exit object
1619		1871
…		…
1628		1880
1629	$rmp->{random_seed} ||= $exit->random_seed;	1881	$rmp->{random_seed} ||= $exit->random_seed;
1630		1882
1631	my $data = cf::to_json $rmp;	1883	my $data = cf::to_json $rmp;
1632	my $md5 = Digest::MD5::md5_hex $data;	1884	my $md5 = Digest::MD5::md5_hex $data;
		1885	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1633		1886
1634	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1887	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1635	aio_write $fh, 0, (length $data), $data, 0;	1888	aio_write $fh, 0, (length $data), $data, 0;
		1889	undef $fh;
		1890	aio_rename "$meta~", $meta;
1636		1891
1637	$exit->slaying ("?random/$md5");	1892	$exit->slaying ("?random/$md5");
1638	$exit->msg (undef);	1893	$exit->msg (undef);
1639	}	1894	}
1640	}	1895	}
…		…
1650	$self->deactivate_recursive; # just to be sure	1905	$self->deactivate_recursive; # just to be sure
1651	unless (eval {	1906	unless (eval {
1652	prepare_random_map $exit	1907	prepare_random_map $exit
1653	if $exit->slaying eq "/!";	1908	if $exit->slaying eq "/!";
1654		1909
1655	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1910	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1656	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	1911	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1657		1912
1658	1;	1913	1;
1659	}) {	1914	}) {
1660	$self->message ("Something went wrong deep within the crossfire server. "	1915	$self->message ("Something went wrong deep within the crossfire server. "
1661	. "I'll try to bring you back to the map you were before. "	1916	. "I'll try to bring you back to the map you were before. "
1662	. "Please report this to the dungeon master",	1917	. "Please report this to the dungeon master!",
1663	cf::NDI_UNIQUE | cf::NDI_RED);	1918	cf::NDI_UNIQUE | cf::NDI_RED);
1664		1919
1665	warn "ERROR in enter_exit: $@";	1920	warn "ERROR in enter_exit: $@";
1666	$self->leave_link;	1921	$self->leave_link;
1667	}	1922	}
…		…
1950	sub db_sync() {	2205	sub db_sync() {
1951	db_save if $dirty;	2206	db_save if $dirty;
1952	undef $dirty;	2207	undef $dirty;
1953	}	2208	}
1954		2209
1955	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2210	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1956	db_sync;	2211	db_sync;
1957	});	2212	});
1958		2213
1959	sub db_dirty() {	2214	sub db_dirty() {
1960	$dirty = 1;	2215	$dirty = 1;
…		…
1999	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2254	$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};	2255	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2001		2256
2002	if (exists $CFG{mlockall}) {	2257	if (exists $CFG{mlockall}) {
2003	eval {	2258	eval {
2004	$CFG{mlockall} ? &mlockall : &munlockall	2259	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2005	and die "WARNING: m(un)lockall failed: $!\n";	2260	and die "WARNING: m(un)lockall failed: $!\n";
2006	};	2261	};
2007	warn $@ if $@;	2262	warn $@ if $@;
2008	}	2263	}
2009	}	2264	}
2010		2265
2011	sub main {	2266	sub main {
2012	# we must not ever block the main coroutine	2267	# we must not ever block the main coroutine
2013	local $Coro::idle = sub {	2268	local $Coro::idle = sub {
2014	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2269	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2270	(async {
2015	async { Event::one_event };	2271	Event::one_event;
		2272	})->prio (Coro::PRIO_MAX);
2016	};	2273	};
2017		2274
2018	cfg_load;	2275	cfg_load;
2019	db_load;	2276	db_load;
2020	load_extensions;	2277	load_extensions;
		2278
		2279	$TICK_WATCHER->start;
2021	Event::loop;	2280	Event::loop;
2022	}	2281	}
2023		2282
2024	#############################################################################	2283	#############################################################################
2025	# initialisation	2284	# initialisation and cleanup
		2285
		2286	# install some emergency cleanup handlers
		2287	BEGIN {
		2288	for my $signal (qw(INT HUP TERM)) {
		2289	Event->signal (
		2290	data => WF_AUTOCANCEL,
		2291	signal => $signal,
		2292	cb => sub {
		2293	cf::cleanup "SIG$signal";
		2294	},
		2295	);
		2296	}
		2297	}
		2298
		2299	sub emergency_save() {
		2300	my $freeze_guard = cf::freeze_mainloop;
		2301
		2302	warn "enter emergency perl save\n";
		2303
		2304	cf::sync_job {
		2305	# use a peculiar iteration method to avoid tripping on perl
		2306	# refcount bugs in for. also avoids problems with players
		2307	# and maps saved/destroyed asynchronously.
		2308	warn "begin emergency player save\n";
		2309	for my $login (keys %cf::PLAYER) {
		2310	my $pl = $cf::PLAYER{$login} or next;
		2311	$pl->valid or next;
		2312	$pl->save;
		2313	}
		2314	warn "end emergency player save\n";
		2315
		2316	warn "begin emergency map save\n";
		2317	for my $path (keys %cf::MAP) {
		2318	my $map = $cf::MAP{$path} or next;
		2319	$map->valid or next;
		2320	$map->save;
		2321	}
		2322	warn "end emergency map save\n";
		2323	};
		2324
		2325	warn "leave emergency perl save\n";
		2326	}
2026		2327
2027	sub reload() {	2328	sub reload() {
2028	# can/must only be called in main	2329	# can/must only be called in main
2029	if ($Coro::current != $Coro::main) {	2330	if ($Coro::current != $Coro::main) {
2030	warn "can only reload from main coroutine\n";	2331	warn "can only reload from main coroutine";
2031	return;	2332	return;
2032	}	2333	}
2033		2334
2034	warn "reloading...";	2335	warn "reloading...";
2035		2336
2036	my $guard = freeze_mainloop;	2337	warn "cancelling server ticker";
		2338	$TICK_WATCHER->cancel;
		2339
2037	cf::emergency_save;	2340	cf::emergency_save;
2038		2341
2039	eval {	2342	eval {
2040	# if anything goes wrong in here, we should simply crash as we already saved	2343	# if anything goes wrong in here, we should simply crash as we already saved
2041		2344
2042	# cancel all watchers	2345	warn "syncing database to disk";
		2346	cf::db_sync;
		2347
		2348	warn "cancelling all WF_AUTOCANCEL watchers";
2043	for (Event::all_watchers) {	2349	for (Event::all_watchers) {
2044	$_->cancel if $_->data & WF_AUTOCANCEL;	2350	$_->cancel if $_->data & WF_AUTOCANCEL;
2045	}	2351	}
2046		2352
		2353	warn "flushing outstanding aio requests";
		2354	for (;;) {
		2355	IO::AIO::flush;
		2356	Coro::cede;
		2357	last unless IO::AIO::nreqs;
		2358	warn "iterate...";
		2359	}
		2360
2047	# cancel all extension coros	2361	warn "cancelling all extension coros";
2048	$_->cancel for values %EXT_CORO;	2362	$_->cancel for values %EXT_CORO;
2049	%EXT_CORO = ();	2363	%EXT_CORO = ();
2050		2364
2051	# unload all extensions	2365	warn "removing commands";
2052	for (@exts) {	2366	%COMMAND = ();
		2367
		2368	warn "removing ext commands";
		2369	%EXTCMD = ();
		2370
		2371	warn "unloading/nuking all extensions";
		2372	for my $pkg (@EXTS) {
2053	warn "unloading <$_>";	2373	warn "... unloading $pkg";
2054	unload_extension $_;	2374
		2375	if (my $cb = $pkg->can ("unload")) {
		2376	eval {
		2377	$cb->($pkg);
		2378	1
		2379	} or warn "$pkg unloaded, but with errors: $@";
2055	}	2380	}
2056		2381
		2382	warn "... nuking $pkg";
		2383	Symbol::delete_package $pkg;
		2384	}
		2385
2057	# unload all modules loaded from $LIBDIR	2386	warn "unloading all perl modules loaded from $LIBDIR";
2058	while (my ($k, $v) = each %INC) {	2387	while (my ($k, $v) = each %INC) {
2059	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2388	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2060		2389
2061	warn "removing <$k>";	2390	warn "... unloading $k";
2062	delete $INC{$k};	2391	delete $INC{$k};
2063		2392
2064	$k =~ s/\.pm$//;	2393	$k =~ s/\.pm$//;
2065	$k =~ s/\//::/g;	2394	$k =~ s/\//::/g;
2066		2395
…		…
2069	}	2398	}
2070		2399
2071	Symbol::delete_package $k;	2400	Symbol::delete_package $k;
2072	}	2401	}
2073		2402
2074	# sync database to disk
2075	cf::db_sync;
2076	IO::AIO::flush;
2077
2078	# get rid of safe::, as good as possible	2403	warn "getting rid of safe::, as good as possible";
2079	Symbol::delete_package "safe::$_"	2404	Symbol::delete_package "safe::$_"
2080	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2405	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2081		2406
2082	# remove register_script_function callbacks
2083	# TODO
2084
2085	# unload cf.pm "a bit"	2407	warn "unloading cf.pm \"a bit\"";
2086	delete $INC{"cf.pm"};	2408	delete $INC{"cf.pm"};
2087		2409
2088	# don't, removes xs symbols, too,	2410	# don't, removes xs symbols, too,
2089	# and global variables created in xs	2411	# and global variables created in xs
2090	#Symbol::delete_package __PACKAGE__;	2412	#Symbol::delete_package __PACKAGE__;
2091		2413
2092	# reload cf.pm	2414	warn "unload completed, starting to reload now";
		2415
2093	warn "reloading cf.pm";	2416	warn "reloading cf.pm";
2094	require cf;	2417	require cf;
2095	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2418	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2096		2419
2097	# load config and database again	2420	warn "loading config and database again";
2098	cf::cfg_load;	2421	cf::cfg_load;
2099	cf::db_load;	2422	cf::db_load;
2100		2423
2101	# load extensions
2102	warn "load extensions";	2424	warn "loading extensions";
2103	cf::load_extensions;	2425	cf::load_extensions;
2104		2426
2105	# reattach attachments to objects	2427	warn "reattaching attachments to objects/players";
2106	warn "reattach";
2107	_global_reattach;	2428	_global_reattach;
		2429	warn "reattaching attachments to maps";
		2430	reattach $_ for values %MAP;
		2431
		2432	warn "restarting server ticker";
		2433
		2434	$TICK_WATCHER->start;
2108	};	2435	};
2109		2436
2110	if ($@) {	2437	if ($@) {
2111	warn $@;	2438	warn $@;
2112	warn "error while reloading, exiting.";	2439	warn "error while reloading, exiting.";
2113	exit 1;	2440	exit 1;
2114	}	2441	}
2115		2442
2116	warn "reloaded successfully";	2443	warn "reloaded";
2117	};	2444	};
2118		2445
2119	#############################################################################	2446	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} = $LINK_MAP;
2160	}
2161
2162	register "<global>", __PACKAGE__;
2163		2447
2164	register_command "reload" => sub {	2448	register_command "reload" => sub {
2165	my ($who, $arg) = @_;	2449	my ($who, $arg) = @_;
2166		2450
2167	if ($who->flag (FLAG_WIZ)) {	2451	if ($who->flag (FLAG_WIZ)) {
2168	$who->message ("start of reload.");	2452	$who->message ("reloading server.");
		2453
		2454	# doing reload synchronously and two reloads happen back-to-back,
		2455	# coro crashes during coro_state_free->destroy here.
		2456
		2457	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2169	reload;	2458	reload;
2170	$who->message ("end of reload.");	2459	undef $RELOAD_WATCHER;
		2460	});
2171	}	2461	}
2172	};	2462	};
2173		2463
2174	unshift @INC, $LIBDIR;	2464	unshift @INC, $LIBDIR;
		2465
		2466	my $bug_warning = 0;
2175		2467
2176	$TICK_WATCHER = Event->timer (	2468	$TICK_WATCHER = Event->timer (
2177	reentrant => 0,	2469	reentrant => 0,
		2470	parked => 1,
2178	prio => 0,	2471	prio => 0,
2179	at => $NEXT_TICK || $TICK,	2472	at => $NEXT_TICK || $TICK,
2180	data => WF_AUTOCANCEL,	2473	data => WF_AUTOCANCEL,
2181	cb => sub {	2474	cb => sub {
		2475	if ($Coro::current != $Coro::main) {
		2476	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2477	unless ++$bug_warning > 10;
		2478	return;
		2479	}
		2480
		2481	$NOW = Event::time;
		2482
2182	cf::server_tick; # one server iteration	2483	cf::server_tick; # one server iteration
2183	$RUNTIME += $TICK;	2484	$RUNTIME += $TICK;
2184	$NEXT_TICK += $TICK;	2485	$NEXT_TICK += $TICK;
		2486
		2487	$WAIT_FOR_TICK->broadcast;
		2488	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2185		2489
2186	# if we are delayed by four ticks or more, skip them all	2490	# if we are delayed by four ticks or more, skip them all
2187	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2491	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2188		2492
2189	$TICK_WATCHER->at ($NEXT_TICK);	2493	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2191	},	2495	},
2192	);	2496	);
2193		2497
2194	IO::AIO::max_poll_time $TICK * 0.2;	2498	IO::AIO::max_poll_time $TICK * 0.2;
2195		2499
2196	Event->io (	2500	$AIO_POLL_WATCHER = Event->io (
2197	fd => IO::AIO::poll_fileno,	2501	fd => IO::AIO::poll_fileno,
2198	poll => 'r',	2502	poll => 'r',
2199	prio => 5,	2503	prio => 5,
2200	data => WF_AUTOCANCEL,	2504	data => WF_AUTOCANCEL,
2201	cb => \&IO::AIO::poll_cb,	2505	cb => \&IO::AIO::poll_cb,
2202	);	2506	);
2203		2507
2204	Event->timer (	2508	$WRITE_RUNTIME_WATCHER = Event->timer (
2205	data => WF_AUTOCANCEL,	2509	data => WF_AUTOCANCEL,
2206	after => 0,	2510	after => 1,
2207	interval => 10,	2511	interval => 10,
2208	cb => sub {	2512	prio => 6, # keep it lowest so it acts like a watchdog
2209	(Coro::unblock_sub {	2513	cb => Coro::unblock_sub {
2210	write_runtime	2514	write_runtime
2211	or warn "ERROR: unable to write runtime file: $!";	2515	or warn "ERROR: unable to write runtime file: $!";
2212	})->();
2213	},	2516	},
2214	);	2517	);
2215		2518
2216	END { cf::emergency_save }	2519	END { cf::emergency_save }
2217		2520

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