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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 1.192 by root, Wed Jan 24 01:43:01 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 3.4 ();
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	$path = "$path"; # make sure its a string
		1182
		1183	# map plan:
		1184	#
		1185	# /! non-realised random map exit (special hack!)
		1186	# {... are special paths that are not being touched
		1187	# ?xxx/... are special absolute paths
		1188	# ?random/... random maps
		1189	# /... normal maps
		1190	# ~user/... per-player map of a specific user
		1191
		1192	$path =~ s/$PATH_SEP/\//go;
		1193
		1194	# treat it as relative path if it starts with
		1195	# something that looks reasonable
		1196	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1197	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1198
		1199	$base =~ s{[^/]+/?$}{};
		1200	$path = "$base/$path";
		1201	}
		1202
		1203	for ($path) {
		1204	redo if s{//}{/};
		1205	redo if s{/\.?/}{/};
		1206	redo if s{/[^/]+/\.\./}{/};
		1207	}
		1208
		1209	$path
		1210	}
		1211
		1212	sub new_from_path {
		1213	my (undef, $path, $base) = @_;
		1214
		1215	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1216
		1217	$path = normalise $path, $base;
		1218
		1219	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1220	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1221	my $self = bless cf::map::new, $pkg;
		1222	$self->{path} = $path; $self->path ($path);
		1223	$self->init; # pass $1 etc.
		1224	return $self;
		1225	}
		1226	}
		1227
		1228	Carp::carp "unable to resolve path '$path' (base '$base').";
		1229	()
		1230	}
		1231
		1232	sub init {
		1233	my ($self) = @_;
		1234
		1235	$self
		1236	}
		1237
		1238	sub as_string {
		1239	my ($self) = @_;
		1240
		1241	"$self->{path}"
		1242	}
		1243
		1244	# the displayed name, this is a one way mapping
		1245	sub visible_name {
		1246	&as_string
		1247	}
		1248
		1249	# the original (read-only) location
		1250	sub load_path {
		1251	my ($self) = @_;
		1252
		1253	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		1254	}
		1255
		1256	# the temporary/swap location
		1257	sub save_path {
		1258	my ($self) = @_;
		1259
		1260	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1261	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
		1262	}
		1263
		1264	# the unique path, undef == no special unique path
		1265	sub uniq_path {
		1266	my ($self) = @_;
		1267
		1268	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1269	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1139	}	1270	}
1140		1271
1141	# and all this just because we cannot iterate over	1272	# and all this just because we cannot iterate over
1142	# all maps in C++...	1273	# all maps in C++...
1143	sub change_all_map_light {	1274	sub change_all_map_light {
…		…
1145		1276
1146	$_->change_map_light ($change)	1277	$_->change_map_light ($change)
1147	for grep $_->outdoor, values %cf::MAP;	1278	for grep $_->outdoor, values %cf::MAP;
1148	}	1279	}
1149		1280
		1281	sub unlink_save {
		1282	my ($self) = @_;
		1283
		1284	utf8::encode (my $save = $self->save_path);
		1285	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1286	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1287	}
		1288
1150	sub try_load_header($) {	1289	sub load_header_from($) {
1151	my ($path) = @_;	1290	my ($self, $path) = @_;
1152		1291
1153	utf8::encode $path;	1292	utf8::encode $path;
1154	aio_open $path, O_RDONLY, 0	1293	aio_open $path, O_RDONLY, 0
1155	or return;	1294	or return;
1156		1295
1157	my $map = cf::map::new	1296	$self->_load_header ($path)
1158	or return;	1297	or return;
1159		1298
1160	# for better error messages only, will be overwritten	1299	$self->{load_path} = $path;
1161	$map->path ($path);
1162		1300
1163	$map->load_header ($path)	1301	1
		1302	}
		1303
		1304	sub load_header_orig {
		1305	my ($self) = @_;
		1306
		1307	$self->load_header_from ($self->load_path)
		1308	}
		1309
		1310	sub load_header_temp {
		1311	my ($self) = @_;
		1312
		1313	$self->load_header_from ($self->save_path)
		1314	}
		1315
		1316	sub prepare_temp {
		1317	my ($self) = @_;
		1318
		1319	$self->last_access ((delete $self->{last_access})
		1320	|| $cf::RUNTIME); #d#
		1321	# safety
		1322	$self->{instantiate_time} = $cf::RUNTIME
		1323	if $self->{instantiate_time} > $cf::RUNTIME;
		1324	}
		1325
		1326	sub prepare_orig {
		1327	my ($self) = @_;
		1328
		1329	$self->{load_original} = 1;
		1330	$self->{instantiate_time} = $cf::RUNTIME;
		1331	$self->last_access ($cf::RUNTIME);
		1332	$self->instantiate;
		1333	}
		1334
		1335	sub load_header {
		1336	my ($self) = @_;
		1337
		1338	if ($self->load_header_temp) {
		1339	$self->prepare_temp;
		1340	} else {
		1341	$self->load_header_orig
1164	or return;	1342	or return;
		1343	$self->prepare_orig;
		1344	}
1165		1345
1166	$map->{load_path} = $path;	1346	1
1167
1168	$map
1169	}	1347	}
1170		1348
1171	sub find;	1349	sub find;
1172	sub find {	1350	sub find {
1173	my ($path, $origin) = @_;	1351	my ($path, $origin) = @_;
1174		1352
1175	#warn "find<$path,$origin>\n";#d#
1176
1177	$path = new cf::path $path, $origin && $origin->path;	1353	$path = normalise $path, $origin && $origin->path;
1178	my $key = $path->as_string;
1179		1354
1180	cf::lock_wait "map_find:$key";	1355	cf::lock_wait "map_find:$path";
1181		1356
1182	$cf::MAP{$key} || do {	1357	$cf::MAP{$path} || do {
1183	my $guard = cf::lock_acquire "map_find:$key";	1358	my $guard = cf::lock_acquire "map_find:$path";
1184		1359	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;	1360	or return;
1204		1361
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;	1362	$map->{last_save} = $cf::RUNTIME;
1217		1363
1218	Coro::cede;	1364	$map->load_header
		1365	or return;
1219		1366
1220	if ($map->should_reset) {	1367	if ($map->should_reset) {
		1368	# doing this can freeze the server in a sync job, obviously
		1369	#$cf::WAIT_FOR_TICK->wait;
1221	$map->reset;	1370	$map->reset;
1222	undef $guard;	1371	undef $guard;
1223	$map = find $path	1372	return find $path;
1224	or return;
1225	}	1373	}
1226		1374
1227	$cf::MAP{$key} = $map	1375	$cf::MAP{$path} = $map
1228	}	1376	}
1229	}	1377	}
		1378
		1379	sub pre_load { }
		1380	sub post_load { }
1230		1381
1231	sub load {	1382	sub load {
1232	my ($self) = @_;	1383	my ($self) = @_;
1233		1384
1234	my $path = $self->{path};	1385	my $path = $self->{path};
1235	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1386	my $guard = cf::lock_acquire "map_load:$path";
1236		1387
1237	return if $self->in_memory != cf::MAP_SWAPPED;	1388	return if $self->in_memory != cf::MAP_SWAPPED;
1238		1389
1239	$self->in_memory (cf::MAP_LOADING);	1390	$self->in_memory (cf::MAP_LOADING);
1240		1391
1241	$self->alloc;	1392	$self->alloc;
		1393
		1394	$self->pre_load;
		1395
1242	$self->load_objects ($self->{load_path}, 1)	1396	$self->_load_objects ($self->{load_path}, 1)
1243	or return;	1397	or return;
1244		1398
1245	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1399	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1246	if delete $self->{load_original};	1400	if delete $self->{load_original};
1247		1401
1248	if (my $uniq = $path->uniq_path) {	1402	if (my $uniq = $self->uniq_path) {
1249	utf8::encode $uniq;	1403	utf8::encode $uniq;
1250	if (aio_open $uniq, O_RDONLY, 0) {	1404	if (aio_open $uniq, O_RDONLY, 0) {
1251	$self->clear_unique_items;	1405	$self->clear_unique_items;
1252	$self->load_objects ($uniq, 0);	1406	$self->_load_objects ($uniq, 0);
1253	}	1407	}
1254	}	1408	}
1255		1409
1256	Coro::cede;	1410	Coro::cede;
1257		1411
1258	# now do the right thing for maps	1412	# now do the right thing for maps
1259	$self->link_multipart_objects;	1413	$self->link_multipart_objects;
1260		1414
1261	if ($self->{path}->is_style_map) {	1415	unless ($self->{deny_activate}) {
1262	$self->{deny_save} = 1;	1416	$self->decay_objects;
1263	$self->{deny_reset} = 1;
1264	} else {
1265	$self->fix_auto_apply;	1417	$self->fix_auto_apply;
1266	$self->decay_objects;
1267	$self->update_buttons;	1418	$self->update_buttons;
		1419	Coro::cede;
1268	$self->set_darkness_map;	1420	$self->set_darkness_map;
1269	$self->difficulty ($self->estimate_difficulty)	1421	$self->difficulty ($self->estimate_difficulty)
1270	unless $self->difficulty;	1422	unless $self->difficulty;
		1423	Coro::cede;
1271	$self->activate;	1424	$self->activate;
1272	}	1425	}
1273		1426
1274	Coro::cede;	1427	$self->post_load;
1275		1428
1276	$self->in_memory (cf::MAP_IN_MEMORY);	1429	$self->in_memory (cf::MAP_IN_MEMORY);
		1430	}
		1431
		1432	sub customise_for {
		1433	my ($self, $ob) = @_;
		1434
		1435	return find "~" . $ob->name . "/" . $self->{path}
		1436	if $self->per_player;
		1437
		1438	$self
		1439	}
		1440
		1441	# find and load all maps in the 3x3 area around a map
		1442	sub load_diag {
		1443	my ($map) = @_;
		1444
		1445	my @diag; # diagonal neighbours
		1446
		1447	for (0 .. 3) {
		1448	my $neigh = $map->tile_path ($_)
		1449	or next;
		1450	$neigh = find $neigh, $map
		1451	or next;
		1452	$neigh->load;
		1453
		1454	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1455	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1456	}
		1457
		1458	for (@diag) {
		1459	my $neigh = find @$_
		1460	or next;
		1461	$neigh->load;
		1462	}
1277	}	1463	}
1278		1464
1279	sub find_sync {	1465	sub find_sync {
1280	my ($path, $origin) = @_;	1466	my ($path, $origin) = @_;
1281		1467
1282	cf::sync_job { cf::map::find $path, $origin }	1468	cf::sync_job { find $path, $origin }
1283	}	1469	}
1284		1470
1285	sub do_load_sync {	1471	sub do_load_sync {
1286	my ($map) = @_;	1472	my ($map) = @_;
1287		1473
1288	cf::sync_job { $map->load };	1474	cf::sync_job { $map->load };
1289	}	1475	}
1290		1476
		1477	our %MAP_PREFETCH;
		1478	our $MAP_PREFETCHER = undef;
		1479
		1480	sub find_async {
		1481	my ($path, $origin) = @_;
		1482
		1483	$path = normalise $path, $origin && $origin->{path};
		1484
		1485	if (my $map = $cf::MAP{$path}) {
		1486	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1487	}
		1488
		1489	undef $MAP_PREFETCH{$path};
		1490	$MAP_PREFETCHER ||= cf::async {
		1491	while (%MAP_PREFETCH) {
		1492	for my $path (keys %MAP_PREFETCH) {
		1493	my $map = find $path
		1494	or next;
		1495	$map->load;
		1496
		1497	delete $MAP_PREFETCH{$path};
		1498	}
		1499	}
		1500	undef $MAP_PREFETCHER;
		1501	};
		1502	$MAP_PREFETCHER->prio (6);
		1503
		1504	()
		1505	}
		1506
1291	sub save {	1507	sub save {
1292	my ($self) = @_;	1508	my ($self) = @_;
1293		1509
1294	my $lock = cf::lock_acquire "map_data:" . $self->path;	1510	my $lock = cf::lock_acquire "map_data:" . $self->path;
1295		1511
1296	$self->{last_save} = $cf::RUNTIME;	1512	$self->{last_save} = $cf::RUNTIME;
1297		1513
1298	return unless $self->dirty;	1514	return unless $self->dirty;
1299		1515
1300	my $save = $self->{path}->save_path; utf8::encode $save;	1516	my $save = $self->save_path; utf8::encode $save;
1301	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1517	my $uniq = $self->uniq_path; utf8::encode $uniq;
1302		1518
1303	$self->{load_path} = $save;	1519	$self->{load_path} = $save;
1304		1520
1305	return if $self->{deny_save};	1521	return if $self->{deny_save};
1306		1522
1307	local $self->{last_access} = $self->last_access;#d#	1523	local $self->{last_access} = $self->last_access;#d#
1308		1524
		1525	cf::async {
		1526	$_->contr->save for $self->players;
		1527	};
		1528
1309	if ($uniq) {	1529	if ($uniq) {
1310	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1530	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1311	$self->save_objects ($uniq, cf::IO_UNIQUES);	1531	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1312	} else {	1532	} else {
1313	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1533	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1314	}	1534	}
1315	}	1535	}
1316		1536
1317	sub swap_out {	1537	sub swap_out {
1318	my ($self) = @_;	1538	my ($self) = @_;
…		…
1332		1552
1333	sub reset_at {	1553	sub reset_at {
1334	my ($self) = @_;	1554	my ($self) = @_;
1335		1555
1336	# TODO: safety, remove and allow resettable per-player maps	1556	# TODO: safety, remove and allow resettable per-player maps
1337	return 1e99 if $self->{path}{user_rel};	1557	return 1e99 if $self->isa ("ext::map_per_player");#d#
1338	return 1e99 if $self->{deny_reset};	1558	return 1e99 if $self->{deny_reset};
1339		1559
1340	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1560	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1341	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1561	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1342		1562
…		…
1347	my ($self) = @_;	1567	my ($self) = @_;
1348		1568
1349	$self->reset_at <= $cf::RUNTIME	1569	$self->reset_at <= $cf::RUNTIME
1350	}	1570	}
1351		1571
1352	sub unlink_save {
1353	my ($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	$self->save;
1371	}
1372
1373	sub reset {	1572	sub reset {
1374	my ($self) = @_;	1573	my ($self) = @_;
1375		1574
1376	my $lock = cf::lock_acquire "map_data:" . $self->path;	1575	my $lock = cf::lock_acquire "map_data:$self->{path}";
1377		1576
1378	return if $self->players;	1577	return if $self->players;
1379	return if $self->{path}{user_rel};#d#	1578	return if $self->isa ("ext::map_per_player");#d#
1380		1579
1381	warn "resetting map ", $self->path;#d#	1580	warn "resetting map ", $self->path;#d#
1382		1581
1383	delete $cf::MAP{$self->path};	1582	delete $cf::MAP{$self->path};
		1583
		1584	$self->in_memory (cf::MAP_SWAPPED);
		1585	$self->clear;
1384		1586
1385	$_->clear_links_to ($self) for values %cf::MAP;	1587	$_->clear_links_to ($self) for values %cf::MAP;
1386		1588
1387	$self->unlink_save;	1589	$self->unlink_save;
1388	$self->destroy;	1590	$self->destroy;
…		…
1391	my $nuke_counter = "aaaa";	1593	my $nuke_counter = "aaaa";
1392		1594
1393	sub nuke {	1595	sub nuke {
1394	my ($self) = @_;	1596	my ($self) = @_;
1395		1597
		1598	delete $cf::MAP{$self->path};
		1599
		1600	$self->unlink_save;
		1601
		1602	bless $self, "cf::map";
		1603	delete $self->{deny_reset};
1396	$self->{deny_save} = 1;	1604	$self->{deny_save} = 1;
1397	$self->reset_timeout (1);	1605	$self->reset_timeout (1);
1398	$self->rename ("{nuke}/" . ($nuke_counter++));	1606	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1607
		1608	$cf::MAP{$self->path} = $self;
		1609
1399	$self->reset; # polite request, might not happen	1610	$self->reset; # polite request, might not happen
1400	}	1611	}
1401		1612
1402	sub customise_for {	1613	=item cf::map::unique_maps
1403	my ($map, $ob) = @_;
1404		1614
1405	if ($map->per_player) {	1615	Returns an arrayref of paths of all shared maps that have
1406	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1616	instantiated unique items. May block.
1407	}
1408		1617
1409	$map	1618	=cut
1410	}
1411		1619
1412	sub emergency_save {	1620	sub unique_maps() {
1413	my $freeze_guard = cf::freeze_mainloop;	1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1622	or return;
1414		1623
1415	warn "enter emergency map save\n";	1624	my @paths;
1416		1625
1417	cf::sync_job {	1626	for (@$files) {
1418	warn "begin emergency map save\n";	1627	utf8::decode $_;
1419	$_->save for values %cf::MAP;	1628	next if /\.pst$/;
		1629	next unless /^$PATH_SEP/o;
		1630
		1631	s/\.map$//;
		1632	push @paths, $_;
1420	};	1633	}
1421		1634
1422	warn "end emergency map save\n";	1635	\@paths
1423	}	1636	}
1424		1637
1425	package cf;	1638	package cf;
1426		1639
1427	=back	1640	=back
1428		1641
		1642	=head3 cf::object
		1643
		1644	=cut
		1645
		1646	package cf::object;
		1647
		1648	=over 4
		1649
		1650	=item $ob->inv_recursive
		1651
		1652	Returns the inventory of the object _and_ their inventories, recursively.
		1653
		1654	=cut
		1655
		1656	sub inv_recursive_;
		1657	sub inv_recursive_ {
		1658	map { $_, inv_recursive_ $_->inv } @_
		1659	}
		1660
		1661	sub inv_recursive {
		1662	inv_recursive_ inv $_[0]
		1663	}
		1664
		1665	package cf;
		1666
		1667	=back
1429		1668
1430	=head3 cf::object::player	1669	=head3 cf::object::player
1431		1670
1432	=over 4	1671	=over 4
1433		1672
…		…
1473		1712
1474	=item $player_object->enter_link	1713	=item $player_object->enter_link
1475		1714
1476	Freezes the player and moves him/her to a special map (C<{link}>).	1715	Freezes the player and moves him/her to a special map (C<{link}>).
1477		1716
1478	The player should be reaosnably safe there for short amounts of time. You	1717	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.	1718	I<MUST> call C<leave_link> as soon as possible, though.
1480		1719
		1720	Will never block.
		1721
1481	=item $player_object->leave_link ($map, $x, $y)	1722	=item $player_object->leave_link ($map, $x, $y)
1482		1723
1483	Moves the player out of the specila link map onto the given map. If the	1724	Moves the player out of the special C<{link}> map onto the specified
1484	map is not valid (or omitted), the player will be moved back to the	1725	map. If the map is not valid (or omitted), the player will be moved back
1485	location he/she was before the call to C<enter_link>, or, if that fails,	1726	to the location he/she was before the call to C<enter_link>, or, if that
1486	to the emergency map position.	1727	fails, to the emergency map position.
1487		1728
1488	Might block.	1729	Might block.
1489		1730
1490	=cut	1731	=cut
		1732
		1733	sub link_map {
		1734	unless ($LINK_MAP) {
		1735	$LINK_MAP = cf::map::find "{link}"
		1736	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
		1737	$LINK_MAP->load;
		1738	}
		1739
		1740	$LINK_MAP
		1741	}
1491		1742
1492	sub cf::object::player::enter_link {	1743	sub cf::object::player::enter_link {
1493	my ($self) = @_;	1744	my ($self) = @_;
1494		1745
1495	$self->deactivate_recursive;	1746	$self->deactivate_recursive;
1496		1747
1497	return if $self->map == $LINK_MAP;	1748	return if UNIVERSAL::isa $self->map, "ext::map_link";
1498		1749
1499	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1750	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1500	if $self->map;	1751	if $self->map;
1501		1752
1502	$self->enter_map ($LINK_MAP, 20, 20);	1753	$self->enter_map ($LINK_MAP || link_map, 20, 20);
1503	}	1754	}
1504		1755
1505	sub cf::object::player::leave_link {	1756	sub cf::object::player::leave_link {
1506	my ($self, $map, $x, $y) = @_;	1757	my ($self, $map, $x, $y) = @_;
1507		1758
…		…
1525	# use -1 or undef as default coordinates, not 0, 0	1776	# use -1 or undef as default coordinates, not 0, 0
1526	($x, $y) = ($map->enter_x, $map->enter_y)	1777	($x, $y) = ($map->enter_x, $map->enter_y)
1527	if $x <=0 && $y <= 0;	1778	if $x <=0 && $y <= 0;
1528		1779
1529	$map->load;	1780	$map->load;
		1781	$map->load_diag;
1530		1782
		1783	return unless $self->contr->active;
1531	$self->activate_recursive;	1784	$self->activate_recursive;
1532	$self->enter_map ($map, $x, $y);	1785	$self->enter_map ($map, $x, $y);
1533	}	1786	}
1534		1787
1535	cf::player->attach (	1788	cf::player->attach (
…		…
1547	my ($pl) = @_;	1800	my ($pl) = @_;
1548		1801
1549	# try to abort aborted map switching on player login :)	1802	# try to abort aborted map switching on player login :)
1550	# should happen only on crashes	1803	# should happen only on crashes
1551	if ($pl->ob->{_link_pos}) {	1804	if ($pl->ob->{_link_pos}) {
1552
1553	$pl->ob->enter_link;	1805	$pl->ob->enter_link;
1554	(async {	1806	(async {
1555	# we need this sleep as the login has a concurrent enter_exit running	1807	# 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	1808	# and this sleep increases chances of the player not ending up in scorn
1557	$pl->ob->reply (undef,	1809	$pl->ob->reply (undef,
…		…
1573	my ($self, $path, $x, $y) = @_;	1825	my ($self, $path, $x, $y) = @_;
1574		1826
1575	$self->enter_link;	1827	$self->enter_link;
1576		1828
1577	(async {	1829	(async {
1578	$path = new cf::path $path;
1579
1580	my $map = cf::map::find $path->as_string;	1830	my $map = cf::map::find $path;
1581	$map = $map->customise_for ($self) if $map;	1831	$map = $map->customise_for ($self) if $map;
1582		1832
1583	# warn "entering ", $map->path, " at ($x, $y)\n"	1833	# warn "entering ", $map->path, " at ($x, $y)\n"
1584	# if $map;	1834	# if $map;
1585		1835
1586	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1836	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1587		1837
1588	$self->leave_link ($map, $x, $y);	1838	$self->leave_link ($map, $x, $y);
1589	})->prio (1);	1839	})->prio (1);
1590	}	1840	}
1591		1841
…		…
1595		1845
1596	sub parse_random_map_params {	1846	sub parse_random_map_params {
1597	my ($spec) = @_;	1847	my ($spec) = @_;
1598		1848
1599	my $rmp = { # defaults	1849	my $rmp = { # defaults
1600	xsize => 10,	1850	xsize => (cf::rndm 15, 40),
1601	ysize => 10,	1851	ysize => (cf::rndm 15, 40),
		1852	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1853	#layout => string,
1602	};	1854	};
1603		1855
1604	for (split /\n/, $spec) {	1856	for (split /\n/, $spec) {
1605	my ($k, $v) = split /\s+/, $_, 2;	1857	my ($k, $v) = split /\s+/, $_, 2;
1606		1858
…		…
1610	$rmp	1862	$rmp
1611	}	1863	}
1612		1864
1613	sub prepare_random_map {	1865	sub prepare_random_map {
1614	my ($exit) = @_;	1866	my ($exit) = @_;
		1867
		1868	my $guard = cf::lock_acquire "exit_prepare:$exit";
1615		1869
1616	# all this does is basically replace the /! path by	1870	# all this does is basically replace the /! path by
1617	# a new random map path (?random/...) with a seed	1871	# a new random map path (?random/...) with a seed
1618	# that depends on the exit object	1872	# that depends on the exit object
1619		1873
…		…
1628		1882
1629	$rmp->{random_seed} ||= $exit->random_seed;	1883	$rmp->{random_seed} ||= $exit->random_seed;
1630		1884
1631	my $data = cf::to_json $rmp;	1885	my $data = cf::to_json $rmp;
1632	my $md5 = Digest::MD5::md5_hex $data;	1886	my $md5 = Digest::MD5::md5_hex $data;
		1887	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1633		1888
1634	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1889	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1635	aio_write $fh, 0, (length $data), $data, 0;	1890	aio_write $fh, 0, (length $data), $data, 0;
		1891	undef $fh;
		1892	aio_rename "$meta~", $meta;
1636		1893
1637	$exit->slaying ("?random/$md5");	1894	$exit->slaying ("?random/$md5");
1638	$exit->msg (undef);	1895	$exit->msg (undef);
1639	}	1896	}
1640	}	1897	}
…		…
1650	$self->deactivate_recursive; # just to be sure	1907	$self->deactivate_recursive; # just to be sure
1651	unless (eval {	1908	unless (eval {
1652	prepare_random_map $exit	1909	prepare_random_map $exit
1653	if $exit->slaying eq "/!";	1910	if $exit->slaying eq "/!";
1654		1911
1655	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1912	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1656	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	1913	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1657		1914
1658	1;	1915	1;
1659	}) {	1916	}) {
1660	$self->message ("Something went wrong deep within the crossfire server. "	1917	$self->message ("Something went wrong deep within the crossfire server. "
1661	. "I'll try to bring you back to the map you were before. "	1918	. "I'll try to bring you back to the map you were before. "
1662	. "Please report this to the dungeon master",	1919	. "Please report this to the dungeon master!",
1663	cf::NDI_UNIQUE | cf::NDI_RED);	1920	cf::NDI_UNIQUE | cf::NDI_RED);
1664		1921
1665	warn "ERROR in enter_exit: $@";	1922	warn "ERROR in enter_exit: $@";
1666	$self->leave_link;	1923	$self->leave_link;
1667	}	1924	}
…		…
1950	sub db_sync() {	2207	sub db_sync() {
1951	db_save if $dirty;	2208	db_save if $dirty;
1952	undef $dirty;	2209	undef $dirty;
1953	}	2210	}
1954		2211
1955	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2212	my $idle = Event->idle (
1956	db_sync;	2213	reentrant => 0,
		2214	min => 10,
		2215	max => 20,
		2216	repeat => 0,
		2217	data => WF_AUTOCANCEL,
		2218	cb => \&db_sync,
1957	});	2219	);
1958		2220
1959	sub db_dirty() {	2221	sub db_dirty() {
1960	$dirty = 1;	2222	$dirty = 1;
1961	$idle->start;	2223	$idle->start;
1962	}	2224	}
…		…
1999	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2261	$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};	2262	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2001		2263
2002	if (exists $CFG{mlockall}) {	2264	if (exists $CFG{mlockall}) {
2003	eval {	2265	eval {
2004	$CFG{mlockall} ? &mlockall : &munlockall	2266	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2005	and die "WARNING: m(un)lockall failed: $!\n";	2267	and die "WARNING: m(un)lockall failed: $!\n";
2006	};	2268	};
2007	warn $@ if $@;	2269	warn $@ if $@;
2008	}	2270	}
2009	}	2271	}
2010		2272
2011	sub main {	2273	sub main {
2012	# we must not ever block the main coroutine	2274	# we must not ever block the main coroutine
2013	local $Coro::idle = sub {	2275	local $Coro::idle = sub {
2014	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2276	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2277	(async {
2015	async { Event::one_event };	2278	Event::one_event;
		2279	})->prio (Coro::PRIO_MAX);
2016	};	2280	};
2017		2281
2018	cfg_load;	2282	cfg_load;
2019	db_load;	2283	db_load;
2020	load_extensions;	2284	load_extensions;
		2285
		2286	$TICK_WATCHER->start;
2021	Event::loop;	2287	Event::loop;
2022	}	2288	}
2023		2289
2024	#############################################################################	2290	#############################################################################
2025	# initialisation	2291	# initialisation and cleanup
		2292
		2293	# install some emergency cleanup handlers
		2294	BEGIN {
		2295	for my $signal (qw(INT HUP TERM)) {
		2296	Event->signal (
		2297	reentrant => 0,
		2298	data => WF_AUTOCANCEL,
		2299	signal => $signal,
		2300	prio => 0,
		2301	cb => sub {
		2302	cf::cleanup "SIG$signal";
		2303	},
		2304	);
		2305	}
		2306	}
		2307
		2308	sub emergency_save() {
		2309	my $freeze_guard = cf::freeze_mainloop;
		2310
		2311	warn "enter emergency perl save\n";
		2312
		2313	cf::sync_job {
		2314	# use a peculiar iteration method to avoid tripping on perl
		2315	# refcount bugs in for. also avoids problems with players
		2316	# and maps saved/destroyed asynchronously.
		2317	warn "begin emergency player save\n";
		2318	for my $login (keys %cf::PLAYER) {
		2319	my $pl = $cf::PLAYER{$login} or next;
		2320	$pl->valid or next;
		2321	$pl->save;
		2322	}
		2323	warn "end emergency player save\n";
		2324
		2325	warn "begin emergency map save\n";
		2326	for my $path (keys %cf::MAP) {
		2327	my $map = $cf::MAP{$path} or next;
		2328	$map->valid or next;
		2329	$map->save;
		2330	}
		2331	warn "end emergency map save\n";
		2332	};
		2333
		2334	warn "leave emergency perl save\n";
		2335	}
2026		2336
2027	sub reload() {	2337	sub reload() {
2028	# can/must only be called in main	2338	# can/must only be called in main
2029	if ($Coro::current != $Coro::main) {	2339	if ($Coro::current != $Coro::main) {
2030	warn "can only reload from main coroutine\n";	2340	warn "can only reload from main coroutine";
2031	return;	2341	return;
2032	}	2342	}
2033		2343
2034	warn "reloading...";	2344	warn "reloading...";
2035		2345
2036	my $guard = freeze_mainloop;	2346	warn "cancelling server ticker";
		2347	$TICK_WATCHER->cancel;
		2348
2037	cf::emergency_save;	2349	cf::emergency_save;
2038		2350
2039	eval {	2351	eval {
2040	# if anything goes wrong in here, we should simply crash as we already saved	2352	# if anything goes wrong in here, we should simply crash as we already saved
2041		2353
2042	# cancel all watchers	2354	warn "syncing database to disk";
		2355	cf::db_sync;
		2356
		2357	warn "cancelling all WF_AUTOCANCEL watchers";
2043	for (Event::all_watchers) {	2358	for (Event::all_watchers) {
2044	$_->cancel if $_->data & WF_AUTOCANCEL;	2359	$_->cancel if $_->data & WF_AUTOCANCEL;
2045	}	2360	}
2046		2361
		2362	warn "flushing outstanding aio requests";
		2363	for (;;) {
		2364	IO::AIO::flush;
		2365	Coro::cede;
		2366	last unless IO::AIO::nreqs;
		2367	warn "iterate...";
		2368	}
		2369
2047	# cancel all extension coros	2370	warn "cancelling all extension coros";
2048	$_->cancel for values %EXT_CORO;	2371	$_->cancel for values %EXT_CORO;
2049	%EXT_CORO = ();	2372	%EXT_CORO = ();
2050		2373
2051	# unload all extensions	2374	warn "removing commands";
2052	for (@exts) {	2375	%COMMAND = ();
		2376
		2377	warn "removing ext commands";
		2378	%EXTCMD = ();
		2379
		2380	warn "unloading/nuking all extensions";
		2381	for my $pkg (@EXTS) {
2053	warn "unloading <$_>";	2382	warn "... unloading $pkg";
2054	unload_extension $_;	2383
		2384	if (my $cb = $pkg->can ("unload")) {
		2385	eval {
		2386	$cb->($pkg);
		2387	1
		2388	} or warn "$pkg unloaded, but with errors: $@";
2055	}	2389	}
2056		2390
		2391	warn "... nuking $pkg";
		2392	Symbol::delete_package $pkg;
		2393	}
		2394
2057	# unload all modules loaded from $LIBDIR	2395	warn "unloading all perl modules loaded from $LIBDIR";
2058	while (my ($k, $v) = each %INC) {	2396	while (my ($k, $v) = each %INC) {
2059	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2397	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2060		2398
2061	warn "removing <$k>";	2399	warn "... unloading $k";
2062	delete $INC{$k};	2400	delete $INC{$k};
2063		2401
2064	$k =~ s/\.pm$//;	2402	$k =~ s/\.pm$//;
2065	$k =~ s/\//::/g;	2403	$k =~ s/\//::/g;
2066		2404
…		…
2069	}	2407	}
2070		2408
2071	Symbol::delete_package $k;	2409	Symbol::delete_package $k;
2072	}	2410	}
2073		2411
2074	# sync database to disk
2075	cf::db_sync;
2076	IO::AIO::flush;
2077
2078	# get rid of safe::, as good as possible	2412	warn "getting rid of safe::, as good as possible";
2079	Symbol::delete_package "safe::$_"	2413	Symbol::delete_package "safe::$_"
2080	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2414	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2081		2415
2082	# remove register_script_function callbacks
2083	# TODO
2084
2085	# unload cf.pm "a bit"	2416	warn "unloading cf.pm \"a bit\"";
2086	delete $INC{"cf.pm"};	2417	delete $INC{"cf.pm"};
2087		2418
2088	# don't, removes xs symbols, too,	2419	# don't, removes xs symbols, too,
2089	# and global variables created in xs	2420	# and global variables created in xs
2090	#Symbol::delete_package __PACKAGE__;	2421	#Symbol::delete_package __PACKAGE__;
2091		2422
2092	# reload cf.pm	2423	warn "unload completed, starting to reload now";
		2424
2093	warn "reloading cf.pm";	2425	warn "reloading cf.pm";
2094	require cf;	2426	require cf;
2095	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2427	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2096		2428
2097	# load config and database again	2429	warn "loading config and database again";
2098	cf::cfg_load;	2430	cf::cfg_load;
2099	cf::db_load;	2431	cf::db_load;
2100		2432
2101	# load extensions
2102	warn "load extensions";	2433	warn "loading extensions";
2103	cf::load_extensions;	2434	cf::load_extensions;
2104		2435
2105	# reattach attachments to objects	2436	warn "reattaching attachments to objects/players";
2106	warn "reattach";
2107	_global_reattach;	2437	_global_reattach;
		2438	warn "reattaching attachments to maps";
		2439	reattach $_ for values %MAP;
		2440
		2441	warn "restarting server ticker";
		2442
		2443	$TICK_WATCHER->start;
2108	};	2444	};
2109		2445
2110	if ($@) {	2446	if ($@) {
2111	warn $@;	2447	warn $@;
2112	warn "error while reloading, exiting.";	2448	warn "error while reloading, exiting.";
2113	exit 1;	2449	exit 1;
2114	}	2450	}
2115		2451
2116	warn "reloaded successfully";	2452	warn "reloaded";
2117	};	2453	};
2118		2454
2119	#############################################################################	2455	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} = $LINK_MAP;
2160	}
2161
2162	register "<global>", __PACKAGE__;
2163		2456
2164	register_command "reload" => sub {	2457	register_command "reload" => sub {
2165	my ($who, $arg) = @_;	2458	my ($who, $arg) = @_;
2166		2459
2167	if ($who->flag (FLAG_WIZ)) {	2460	if ($who->flag (FLAG_WIZ)) {
2168	$who->message ("start of reload.");	2461	$who->message ("reloading server.");
		2462
		2463	# doing reload synchronously and two reloads happen back-to-back,
		2464	# coro crashes during coro_state_free->destroy here.
		2465
		2466	$RELOAD_WATCHER ||= Event->timer (
		2467	reentrant => 0,
		2468	after => 0,
		2469	data => WF_AUTOCANCEL,
		2470	cb => sub {
2169	reload;	2471	reload;
2170	$who->message ("end of reload.");	2472	undef $RELOAD_WATCHER;
		2473	},
		2474	);
2171	}	2475	}
2172	};	2476	};
2173		2477
2174	unshift @INC, $LIBDIR;	2478	unshift @INC, $LIBDIR;
		2479
		2480	my $bug_warning = 0;
2175		2481
2176	$TICK_WATCHER = Event->timer (	2482	$TICK_WATCHER = Event->timer (
2177	reentrant => 0,	2483	reentrant => 0,
		2484	parked => 1,
2178	prio => 0,	2485	prio => 0,
2179	at => $NEXT_TICK || $TICK,	2486	at => $NEXT_TICK || $TICK,
2180	data => WF_AUTOCANCEL,	2487	data => WF_AUTOCANCEL,
2181	cb => sub {	2488	cb => sub {
		2489	if ($Coro::current != $Coro::main) {
		2490	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2491	unless ++$bug_warning > 10;
		2492	return;
		2493	}
		2494
		2495	$NOW = Event::time;
		2496
2182	cf::server_tick; # one server iteration	2497	cf::server_tick; # one server iteration
2183	$RUNTIME += $TICK;	2498	$RUNTIME += $TICK;
2184	$NEXT_TICK += $TICK;	2499	$NEXT_TICK += $TICK;
		2500
		2501	$WAIT_FOR_TICK->broadcast;
		2502	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2503
		2504	Event::sweep;
		2505	Coro::cede_notself;
		2506
		2507	# my $AFTER = Event::time;
		2508	# warn $AFTER - $NOW;#d#
2185		2509
2186	# if we are delayed by four ticks or more, skip them all	2510	# if we are delayed by four ticks or more, skip them all
2187	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2511	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2188		2512
2189	$TICK_WATCHER->at ($NEXT_TICK);	2513	$TICK_WATCHER->at ($NEXT_TICK);
2190	$TICK_WATCHER->start;	2514	$TICK_WATCHER->start;
2191	},	2515	},
2192	);	2516	);
2193		2517
2194	IO::AIO::max_poll_time $TICK * 0.2;	2518	IO::AIO::max_poll_time $TICK * 0.1;
2195		2519
2196	Event->io (	2520	undef $Coro::AIO::WATCHER;
		2521	$AIO_POLL_WATCHER = Event->io (
		2522	reentrant => 0,
2197	fd => IO::AIO::poll_fileno,	2523	fd => IO::AIO::poll_fileno,
2198	poll => 'r',	2524	poll => 'r',
2199	prio => 5,	2525	prio => 6,
2200	data => WF_AUTOCANCEL,	2526	data => WF_AUTOCANCEL,
2201	cb => \&IO::AIO::poll_cb,	2527	cb => \&IO::AIO::poll_cb,
2202	);	2528	);
2203		2529
2204	Event->timer (	2530	$WRITE_RUNTIME_WATCHER = Event->timer (
		2531	reentrant => 0,
2205	data => WF_AUTOCANCEL,	2532	data => WF_AUTOCANCEL,
2206	after => 0,	2533	after => 1,
2207	interval => 10,	2534	interval => 10,
2208	cb => sub {	2535	prio => 6, # keep it lowest so it acts like a watchdog
2209	(Coro::unblock_sub {	2536	cb => Coro::unblock_sub {
2210	write_runtime	2537	write_runtime
2211	or warn "ERROR: unable to write runtime file: $!";	2538	or warn "ERROR: unable to write runtime file: $!";
2212	})->();
2213	},	2539	},
2214	);	2540	);
2215		2541
2216	END { cf::emergency_save }	2542	END { cf::emergency_save }
2217		2543

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