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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 1.196 by root, Sat Jan 27 23:59:29 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3 ();	13	use Coro 3.5 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use Data::Dumper;
20	use Digest::MD5;	21	use Digest::MD5;
21	use Fcntl;	22	use Fcntl;
22	use IO::AIO 2.31 ();	23	use IO::AIO 2.32 ();
23	use YAML::Syck ();	24	use YAML::Syck ();
24	use Time::HiRes;	25	use Time::HiRes;
25		26
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	27	use Event; $Event::Eval = 1; # no idea why this is required, but it is
27		28
		29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		30
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	32	$YAML::Syck::ImplicitUnicode = 1;
30		33
31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		35
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	our %COMMAND = ();	36	our %COMMAND = ();
36	our %COMMAND_TIME = ();	37	our %COMMAND_TIME = ();
		38
		39	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	40	our %EXTCMD = ();
		41	our %EXT_CORO = (); # coroutines bound to extensions
		42	our %EXT_MAP = (); # pluggable maps
38		43
39	our @EVENT;	44	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	45	our $LIBDIR = datadir . "/ext";
41		46
42	our $TICK = MAX_TIME * 1e-6;	47	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	48	our $TICK_WATCHER;
		49	our $AIO_POLL_WATCHER;
		50	our $WRITE_RUNTIME_WATCHER;
44	our $NEXT_TICK;	51	our $NEXT_TICK;
45	our $NOW;	52	our $NOW;
46		53
47	our %CFG;	54	our %CFG;
48		55
49	our $UPTIME; $UPTIME ||= time;	56	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	57	our $RUNTIME;
51		58
		59	our %PLAYER; # all users
52	our %MAP; # all maps	60	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	61	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	62	our $RANDOM_MAPS = cf::localdir . "/random";
55	our %EXT_CORO;	63
		64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		66
		67	# used to convert map paths into valid unix filenames by replacing / by ∕
		68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		69
57	binmode STDOUT;	70	binmode STDOUT;
58	binmode STDERR;	71	binmode STDERR;
59		72
60	# read virtual server time, if available	73	# read virtual server time, if available
…		…
68	mkdir cf::localdir . "/" . cf::playerdir;	81	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	82	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	83	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	84	mkdir $RANDOM_MAPS;
72		85
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	86	our $EMERGENCY_POSITION;
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 ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1368	# doing this can freeze the server in a sync job, obviously
		1369	#$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
		1385	local $self->{deny_reset} = 1; # loading can take a long time
		1386
1234	my $path = $self->{path};	1387	my $path = $self->{path};
1235	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1388	my $guard = cf::lock_acquire "map_load:$path";
1236		1389
1237	return if $self->in_memory != cf::MAP_SWAPPED;	1390	return if $self->in_memory != cf::MAP_SWAPPED;
1238		1391
1239	$self->in_memory (cf::MAP_LOADING);	1392	$self->in_memory (cf::MAP_LOADING);
1240		1393
1241	$self->alloc;	1394	$self->alloc;
		1395
		1396	$self->pre_load;
		1397
1242	$self->load_objects ($self->{load_path}, 1)	1398	$self->_load_objects ($self->{load_path}, 1)
1243	or return;	1399	or return;
1244		1400
1245	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1401	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1246	if delete $self->{load_original};	1402	if delete $self->{load_original};
1247		1403
1248	if (my $uniq = $path->uniq_path) {	1404	if (my $uniq = $self->uniq_path) {
1249	utf8::encode $uniq;	1405	utf8::encode $uniq;
1250	if (aio_open $uniq, O_RDONLY, 0) {	1406	if (aio_open $uniq, O_RDONLY, 0) {
1251	$self->clear_unique_items;	1407	$self->clear_unique_items;
1252	$self->load_objects ($uniq, 0);	1408	$self->_load_objects ($uniq, 0);
1253	}	1409	}
1254	}	1410	}
1255		1411
1256	Coro::cede;	1412	Coro::cede;
1257		1413
1258	# now do the right thing for maps	1414	# now do the right thing for maps
1259	$self->link_multipart_objects;	1415	$self->link_multipart_objects;
1260		1416
1261	if ($self->{path}->is_style_map) {	1417	unless ($self->{deny_activate}) {
1262	$self->{deny_save} = 1;	1418	$self->decay_objects;
1263	$self->{deny_reset} = 1;
1264	} else {
1265	$self->fix_auto_apply;	1419	$self->fix_auto_apply;
1266	$self->decay_objects;
1267	$self->update_buttons;	1420	$self->update_buttons;
		1421	Coro::cede;
1268	$self->set_darkness_map;	1422	$self->set_darkness_map;
1269	$self->difficulty ($self->estimate_difficulty)	1423	$self->difficulty ($self->estimate_difficulty)
1270	unless $self->difficulty;	1424	unless $self->difficulty;
		1425	Coro::cede;
1271	$self->activate;	1426	$self->activate;
1272	}	1427	}
1273		1428
1274	Coro::cede;	1429	$self->post_load;
1275		1430
1276	$self->in_memory (cf::MAP_IN_MEMORY);	1431	$self->in_memory (cf::MAP_IN_MEMORY);
		1432	}
		1433
		1434	sub customise_for {
		1435	my ($self, $ob) = @_;
		1436
		1437	return find "~" . $ob->name . "/" . $self->{path}
		1438	if $self->per_player;
		1439
		1440	$self
		1441	}
		1442
		1443	# find and load all maps in the 3x3 area around a map
		1444	sub load_diag {
		1445	my ($map) = @_;
		1446
		1447	my @diag; # diagonal neighbours
		1448
		1449	for (0 .. 3) {
		1450	my $neigh = $map->tile_path ($_)
		1451	or next;
		1452	$neigh = find $neigh, $map
		1453	or next;
		1454	$neigh->load;
		1455
		1456	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1457	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1458	}
		1459
		1460	for (@diag) {
		1461	my $neigh = find @$_
		1462	or next;
		1463	$neigh->load;
		1464	}
1277	}	1465	}
1278		1466
1279	sub find_sync {	1467	sub find_sync {
1280	my ($path, $origin) = @_;	1468	my ($path, $origin) = @_;
1281		1469
1282	cf::sync_job { cf::map::find $path, $origin }	1470	cf::sync_job { find $path, $origin }
1283	}	1471	}
1284		1472
1285	sub do_load_sync {	1473	sub do_load_sync {
1286	my ($map) = @_;	1474	my ($map) = @_;
1287		1475
1288	cf::sync_job { $map->load };	1476	cf::sync_job { $map->load };
1289	}	1477	}
1290		1478
		1479	our %MAP_PREFETCH;
		1480	our $MAP_PREFETCHER = undef;
		1481
		1482	sub find_async {
		1483	my ($path, $origin) = @_;
		1484
		1485	$path = normalise $path, $origin && $origin->{path};
		1486
		1487	if (my $map = $cf::MAP{$path}) {
		1488	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1489	}
		1490
		1491	undef $MAP_PREFETCH{$path};
		1492	$MAP_PREFETCHER ||= cf::async {
		1493	while (%MAP_PREFETCH) {
		1494	for my $path (keys %MAP_PREFETCH) {
		1495	my $map = find $path
		1496	or next;
		1497	$map->load;
		1498
		1499	delete $MAP_PREFETCH{$path};
		1500	}
		1501	}
		1502	undef $MAP_PREFETCHER;
		1503	};
		1504	$MAP_PREFETCHER->prio (6);
		1505
		1506	()
		1507	}
		1508
1291	sub save {	1509	sub save {
1292	my ($self) = @_;	1510	my ($self) = @_;
1293		1511
1294	my $lock = cf::lock_acquire "map_data:" . $self->path;	1512	my $lock = cf::lock_acquire "map_data:" . $self->path;
1295		1513
1296	$self->{last_save} = $cf::RUNTIME;	1514	$self->{last_save} = $cf::RUNTIME;
1297		1515
1298	return unless $self->dirty;	1516	return unless $self->dirty;
1299		1517
1300	my $save = $self->{path}->save_path; utf8::encode $save;	1518	my $save = $self->save_path; utf8::encode $save;
1301	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1519	my $uniq = $self->uniq_path; utf8::encode $uniq;
1302		1520
1303	$self->{load_path} = $save;	1521	$self->{load_path} = $save;
1304		1522
1305	return if $self->{deny_save};	1523	return if $self->{deny_save};
1306		1524
1307	local $self->{last_access} = $self->last_access;#d#	1525	local $self->{last_access} = $self->last_access;#d#
1308		1526
		1527	cf::async {
		1528	$_->contr->save for $self->players;
		1529	};
		1530
1309	if ($uniq) {	1531	if ($uniq) {
1310	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1532	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1311	$self->save_objects ($uniq, cf::IO_UNIQUES);	1533	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1312	} else {	1534	} else {
1313	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1535	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1314	}	1536	}
1315	}	1537	}
1316		1538
1317	sub swap_out {	1539	sub swap_out {
1318	my ($self) = @_;	1540	my ($self) = @_;
…		…
1332		1554
1333	sub reset_at {	1555	sub reset_at {
1334	my ($self) = @_;	1556	my ($self) = @_;
1335		1557
1336	# TODO: safety, remove and allow resettable per-player maps	1558	# TODO: safety, remove and allow resettable per-player maps
1337	return 1e99 if $self->{path}{user_rel};	1559	return 1e99 if $self->isa ("ext::map_per_player");#d#
1338	return 1e99 if $self->{deny_reset};	1560	return 1e99 if $self->{deny_reset};
1339		1561
1340	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1562	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1341	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1563	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1342		1564
…		…
1347	my ($self) = @_;	1569	my ($self) = @_;
1348		1570
1349	$self->reset_at <= $cf::RUNTIME	1571	$self->reset_at <= $cf::RUNTIME
1350	}	1572	}
1351		1573
1352	sub unlink_save {
1353	my ($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	$self->save;
1371	}
1372
1373	sub reset {	1574	sub reset {
1374	my ($self) = @_;	1575	my ($self) = @_;
1375		1576
1376	my $lock = cf::lock_acquire "map_data:" . $self->path;	1577	my $lock = cf::lock_acquire "map_data:$self->{path}";
1377		1578
1378	return if $self->players;	1579	return if $self->players;
1379	return if $self->{path}{user_rel};#d#	1580	return if $self->isa ("ext::map_per_player");#d#
1380		1581
1381	warn "resetting map ", $self->path;#d#	1582	warn "resetting map ", $self->path;#d#
1382		1583
1383	delete $cf::MAP{$self->path};	1584	delete $cf::MAP{$self->path};
		1585
		1586	$self->in_memory (cf::MAP_SWAPPED);
		1587	$self->clear;
1384		1588
1385	$_->clear_links_to ($self) for values %cf::MAP;	1589	$_->clear_links_to ($self) for values %cf::MAP;
1386		1590
1387	$self->unlink_save;	1591	$self->unlink_save;
1388	$self->destroy;	1592	$self->destroy;
…		…
1391	my $nuke_counter = "aaaa";	1595	my $nuke_counter = "aaaa";
1392		1596
1393	sub nuke {	1597	sub nuke {
1394	my ($self) = @_;	1598	my ($self) = @_;
1395		1599
		1600	delete $cf::MAP{$self->path};
		1601
		1602	$self->unlink_save;
		1603
		1604	bless $self, "cf::map";
		1605	delete $self->{deny_reset};
1396	$self->{deny_save} = 1;	1606	$self->{deny_save} = 1;
1397	$self->reset_timeout (1);	1607	$self->reset_timeout (1);
1398	$self->rename ("{nuke}/" . ($nuke_counter++));	1608	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1609
		1610	$cf::MAP{$self->path} = $self;
		1611
1399	$self->reset; # polite request, might not happen	1612	$self->reset; # polite request, might not happen
1400	}	1613	}
1401		1614
1402	sub customise_for {	1615	=item cf::map::unique_maps
1403	my ($map, $ob) = @_;
1404		1616
1405	if ($map->per_player) {	1617	Returns an arrayref of paths of all shared maps that have
1406	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1618	instantiated unique items. May block.
1407	}
1408		1619
1409	$map	1620	=cut
1410	}
1411		1621
1412	sub emergency_save {	1622	sub unique_maps() {
1413	my $freeze_guard = cf::freeze_mainloop;	1623	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1624	or return;
1414		1625
1415	warn "enter emergency map save\n";	1626	my @paths;
1416		1627
1417	cf::sync_job {	1628	for (@$files) {
1418	warn "begin emergency map save\n";	1629	utf8::decode $_;
1419	$_->save for values %cf::MAP;	1630	next if /\.pst$/;
		1631	next unless /^$PATH_SEP/o;
		1632
		1633	s/\.map$//;
		1634	push @paths, $_;
1420	};	1635	}
1421		1636
1422	warn "end emergency map save\n";	1637	\@paths
1423	}	1638	}
1424		1639
1425	package cf;	1640	package cf;
1426		1641
1427	=back	1642	=back
1428		1643
		1644	=head3 cf::object
		1645
		1646	=cut
		1647
		1648	package cf::object;
		1649
		1650	=over 4
		1651
		1652	=item $ob->inv_recursive
		1653
		1654	Returns the inventory of the object _and_ their inventories, recursively.
		1655
		1656	=cut
		1657
		1658	sub inv_recursive_;
		1659	sub inv_recursive_ {
		1660	map { $_, inv_recursive_ $_->inv } @_
		1661	}
		1662
		1663	sub inv_recursive {
		1664	inv_recursive_ inv $_[0]
		1665	}
		1666
		1667	package cf;
		1668
		1669	=back
1429		1670
1430	=head3 cf::object::player	1671	=head3 cf::object::player
1431		1672
1432	=over 4	1673	=over 4
1433		1674
…		…
1473		1714
1474	=item $player_object->enter_link	1715	=item $player_object->enter_link
1475		1716
1476	Freezes the player and moves him/her to a special map (C<{link}>).	1717	Freezes the player and moves him/her to a special map (C<{link}>).
1477		1718
1478	The player should be reaosnably safe there for short amounts of time. You	1719	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.	1720	I<MUST> call C<leave_link> as soon as possible, though.
1480		1721
		1722	Will never block.
		1723
1481	=item $player_object->leave_link ($map, $x, $y)	1724	=item $player_object->leave_link ($map, $x, $y)
1482		1725
1483	Moves the player out of the specila link map onto the given map. If the	1726	Moves the player out of the special C<{link}> map onto the specified
1484	map is not valid (or omitted), the player will be moved back to the	1727	map. If the map is not valid (or omitted), the player will be moved back
1485	location he/she was before the call to C<enter_link>, or, if that fails,	1728	to the location he/she was before the call to C<enter_link>, or, if that
1486	to the emergency map position.	1729	fails, to the emergency map position.
1487		1730
1488	Might block.	1731	Might block.
1489		1732
1490	=cut	1733	=cut
		1734
		1735	sub link_map {
		1736	unless ($LINK_MAP) {
		1737	$LINK_MAP = cf::map::find "{link}"
		1738	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1739	$LINK_MAP->load;
		1740	}
		1741
		1742	$LINK_MAP
		1743	}
1491		1744
1492	sub cf::object::player::enter_link {	1745	sub cf::object::player::enter_link {
1493	my ($self) = @_;	1746	my ($self) = @_;
1494		1747
1495	$self->deactivate_recursive;	1748	$self->deactivate_recursive;
1496		1749
1497	return if $self->map == $LINK_MAP;	1750	return if UNIVERSAL::isa $self->map, "ext::map_link";
1498		1751
1499	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1752	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1500	if $self->map;	1753	if $self->map;
1501		1754
1502	$self->enter_map ($LINK_MAP, 20, 20);	1755	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1503	}	1756	}
1504		1757
1505	sub cf::object::player::leave_link {	1758	sub cf::object::player::leave_link {
1506	my ($self, $map, $x, $y) = @_;	1759	my ($self, $map, $x, $y) = @_;
1507		1760
…		…
1525	# use -1 or undef as default coordinates, not 0, 0	1778	# use -1 or undef as default coordinates, not 0, 0
1526	($x, $y) = ($map->enter_x, $map->enter_y)	1779	($x, $y) = ($map->enter_x, $map->enter_y)
1527	if $x <=0 && $y <= 0;	1780	if $x <=0 && $y <= 0;
1528		1781
1529	$map->load;	1782	$map->load;
		1783	$map->load_diag;
1530		1784
		1785	return unless $self->contr->active;
1531	$self->activate_recursive;	1786	$self->activate_recursive;
1532	$self->enter_map ($map, $x, $y);	1787	$self->enter_map ($map, $x, $y);
1533	}	1788	}
1534		1789
1535	cf::player->attach (	1790	cf::player->attach (
…		…
1547	my ($pl) = @_;	1802	my ($pl) = @_;
1548		1803
1549	# try to abort aborted map switching on player login :)	1804	# try to abort aborted map switching on player login :)
1550	# should happen only on crashes	1805	# should happen only on crashes
1551	if ($pl->ob->{_link_pos}) {	1806	if ($pl->ob->{_link_pos}) {
1552
1553	$pl->ob->enter_link;	1807	$pl->ob->enter_link;
1554	(async {	1808	(async {
1555	# we need this sleep as the login has a concurrent enter_exit running	1809	# 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	1810	# and this sleep increases chances of the player not ending up in scorn
1557	$pl->ob->reply (undef,	1811	$pl->ob->reply (undef,
…		…
1573	my ($self, $path, $x, $y) = @_;	1827	my ($self, $path, $x, $y) = @_;
1574		1828
1575	$self->enter_link;	1829	$self->enter_link;
1576		1830
1577	(async {	1831	(async {
1578	$path = new cf::path $path;
1579
1580	my $map = cf::map::find $path->as_string;	1832	my $map = cf::map::find $path;
1581	$map = $map->customise_for ($self) if $map;	1833	$map = $map->customise_for ($self) if $map;
1582		1834
1583	# warn "entering ", $map->path, " at ($x, $y)\n"	1835	# warn "entering ", $map->path, " at ($x, $y)\n"
1584	# if $map;	1836	# if $map;
1585		1837
1586	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1838	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1587		1839
1588	$self->leave_link ($map, $x, $y);	1840	$self->leave_link ($map, $x, $y);
1589	})->prio (1);	1841	})->prio (1);
1590	}	1842	}
1591		1843
…		…
1595		1847
1596	sub parse_random_map_params {	1848	sub parse_random_map_params {
1597	my ($spec) = @_;	1849	my ($spec) = @_;
1598		1850
1599	my $rmp = { # defaults	1851	my $rmp = { # defaults
1600	xsize => 10,	1852	xsize => (cf::rndm 15, 40),
1601	ysize => 10,	1853	ysize => (cf::rndm 15, 40),
		1854	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1855	#layout => string,
1602	};	1856	};
1603		1857
1604	for (split /\n/, $spec) {	1858	for (split /\n/, $spec) {
1605	my ($k, $v) = split /\s+/, $_, 2;	1859	my ($k, $v) = split /\s+/, $_, 2;
1606		1860
…		…
1610	$rmp	1864	$rmp
1611	}	1865	}
1612		1866
1613	sub prepare_random_map {	1867	sub prepare_random_map {
1614	my ($exit) = @_;	1868	my ($exit) = @_;
		1869
		1870	my $guard = cf::lock_acquire "exit_prepare:$exit";
1615		1871
1616	# all this does is basically replace the /! path by	1872	# all this does is basically replace the /! path by
1617	# a new random map path (?random/...) with a seed	1873	# a new random map path (?random/...) with a seed
1618	# that depends on the exit object	1874	# that depends on the exit object
1619		1875
…		…
1628		1884
1629	$rmp->{random_seed} ||= $exit->random_seed;	1885	$rmp->{random_seed} ||= $exit->random_seed;
1630		1886
1631	my $data = cf::to_json $rmp;	1887	my $data = cf::to_json $rmp;
1632	my $md5 = Digest::MD5::md5_hex $data;	1888	my $md5 = Digest::MD5::md5_hex $data;
		1889	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1633		1890
1634	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1891	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1635	aio_write $fh, 0, (length $data), $data, 0;	1892	aio_write $fh, 0, (length $data), $data, 0;
		1893	undef $fh;
		1894	aio_rename "$meta~", $meta;
1636		1895
1637	$exit->slaying ("?random/$md5");	1896	$exit->slaying ("?random/$md5");
1638	$exit->msg (undef);	1897	$exit->msg (undef);
1639	}	1898	}
1640	}	1899	}
1641		1900
1642	sub cf::object::player::enter_exit {	1901	sub cf::object::player::enter_exit {
1643	my ($self, $exit) = @_;	1902	my ($self, $exit) = @_;
1644		1903
1645	return unless $self->type == cf::PLAYER;	1904	return unless $self->type == cf::PLAYER;
		1905
		1906	if ($exit->slaying eq "/!") {
		1907	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1908	cf::sync_job { prepare_random_map $exit };
		1909	}
		1910
		1911	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1912	my $hp = $exit->stats->hp;
		1913	my $sp = $exit->stats->sp;
1646		1914
1647	$self->enter_link;	1915	$self->enter_link;
1648		1916
1649	(async {	1917	(async {
1650	$self->deactivate_recursive; # just to be sure	1918	$self->deactivate_recursive; # just to be sure
1651	unless (eval {	1919	unless (eval {
1652	prepare_random_map $exit	1920	$self->goto ($slaying, $hp, $sp);
1653	if $exit->slaying eq "/!";
1654
1655	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1656	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1657		1921
1658	1;	1922	1;
1659	}) {	1923	}) {
1660	$self->message ("Something went wrong deep within the crossfire server. "	1924	$self->message ("Something went wrong deep within the crossfire server. "
1661	. "I'll try to bring you back to the map you were before. "	1925	. "I'll try to bring you back to the map you were before. "
1662	. "Please report this to the dungeon master",	1926	. "Please report this to the dungeon master!",
1663	cf::NDI_UNIQUE | cf::NDI_RED);	1927	cf::NDI_UNIQUE | cf::NDI_RED);
1664		1928
1665	warn "ERROR in enter_exit: $@";	1929	warn "ERROR in enter_exit: $@";
1666	$self->leave_link;	1930	$self->leave_link;
1667	}	1931	}
…		…
1950	sub db_sync() {	2214	sub db_sync() {
1951	db_save if $dirty;	2215	db_save if $dirty;
1952	undef $dirty;	2216	undef $dirty;
1953	}	2217	}
1954		2218
1955	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2219	my $idle = Event->idle (
1956	db_sync;	2220	reentrant => 0,
		2221	min => 10,
		2222	max => 20,
		2223	repeat => 0,
		2224	data => WF_AUTOCANCEL,
		2225	cb => \&db_sync,
1957	});	2226	);
1958		2227
1959	sub db_dirty() {	2228	sub db_dirty() {
1960	$dirty = 1;	2229	$dirty = 1;
1961	$idle->start;	2230	$idle->start;
1962	}	2231	}
…		…
1999	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2268	$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};	2269	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2001		2270
2002	if (exists $CFG{mlockall}) {	2271	if (exists $CFG{mlockall}) {
2003	eval {	2272	eval {
2004	$CFG{mlockall} ? &mlockall : &munlockall	2273	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2005	and die "WARNING: m(un)lockall failed: $!\n";	2274	and die "WARNING: m(un)lockall failed: $!\n";
2006	};	2275	};
2007	warn $@ if $@;	2276	warn $@ if $@;
2008	}	2277	}
2009	}	2278	}
2010		2279
2011	sub main {	2280	sub main {
2012	# we must not ever block the main coroutine	2281	# we must not ever block the main coroutine
2013	local $Coro::idle = sub {	2282	local $Coro::idle = sub {
2014	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2283	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2284	(async {
2015	async { Event::one_event };	2285	Event::one_event;
		2286	})->prio (Coro::PRIO_MAX);
2016	};	2287	};
2017		2288
2018	cfg_load;	2289	cfg_load;
2019	db_load;	2290	db_load;
2020	load_extensions;	2291	load_extensions;
		2292
		2293	$TICK_WATCHER->start;
2021	Event::loop;	2294	Event::loop;
2022	}	2295	}
2023		2296
2024	#############################################################################	2297	#############################################################################
2025	# initialisation	2298	# initialisation and cleanup
		2299
		2300	# install some emergency cleanup handlers
		2301	BEGIN {
		2302	for my $signal (qw(INT HUP TERM)) {
		2303	Event->signal (
		2304	reentrant => 0,
		2305	data => WF_AUTOCANCEL,
		2306	signal => $signal,
		2307	prio => 0,
		2308	cb => sub {
		2309	cf::cleanup "SIG$signal";
		2310	},
		2311	);
		2312	}
		2313	}
		2314
		2315	sub emergency_save() {
		2316	my $freeze_guard = cf::freeze_mainloop;
		2317
		2318	warn "enter emergency perl save\n";
		2319
		2320	cf::sync_job {
		2321	# use a peculiar iteration method to avoid tripping on perl
		2322	# refcount bugs in for. also avoids problems with players
		2323	# and maps saved/destroyed asynchronously.
		2324	warn "begin emergency player save\n";
		2325	for my $login (keys %cf::PLAYER) {
		2326	my $pl = $cf::PLAYER{$login} or next;
		2327	$pl->valid or next;
		2328	$pl->save;
		2329	}
		2330	warn "end emergency player save\n";
		2331
		2332	warn "begin emergency map save\n";
		2333	for my $path (keys %cf::MAP) {
		2334	my $map = $cf::MAP{$path} or next;
		2335	$map->valid or next;
		2336	$map->save;
		2337	}
		2338	warn "end emergency map save\n";
		2339	};
		2340
		2341	warn "leave emergency perl save\n";
		2342	}
2026		2343
2027	sub reload() {	2344	sub reload() {
2028	# can/must only be called in main	2345	# can/must only be called in main
2029	if ($Coro::current != $Coro::main) {	2346	if ($Coro::current != $Coro::main) {
2030	warn "can only reload from main coroutine\n";	2347	warn "can only reload from main coroutine";
2031	return;	2348	return;
2032	}	2349	}
2033		2350
2034	warn "reloading...";	2351	warn "reloading...";
2035		2352
2036	my $guard = freeze_mainloop;	2353	warn "cancelling server ticker";
		2354	$TICK_WATCHER->cancel;
		2355
2037	cf::emergency_save;	2356	cf::emergency_save;
2038		2357
2039	eval {	2358	eval {
2040	# if anything goes wrong in here, we should simply crash as we already saved	2359	# if anything goes wrong in here, we should simply crash as we already saved
2041		2360
2042	# cancel all watchers	2361	warn "syncing database to disk";
		2362	cf::db_sync;
		2363
		2364	warn "cancelling all WF_AUTOCANCEL watchers";
2043	for (Event::all_watchers) {	2365	for (Event::all_watchers) {
2044	$_->cancel if $_->data & WF_AUTOCANCEL;	2366	$_->cancel if $_->data & WF_AUTOCANCEL;
2045	}	2367	}
2046		2368
		2369	warn "flushing outstanding aio requests";
		2370	for (;;) {
		2371	IO::AIO::flush;
		2372	Coro::cede;
		2373	last unless IO::AIO::nreqs;
		2374	warn "iterate...";
		2375	}
		2376
2047	# cancel all extension coros	2377	warn "cancelling all extension coros";
2048	$_->cancel for values %EXT_CORO;	2378	$_->cancel for values %EXT_CORO;
2049	%EXT_CORO = ();	2379	%EXT_CORO = ();
2050		2380
2051	# unload all extensions	2381	warn "removing commands";
2052	for (@exts) {	2382	%COMMAND = ();
		2383
		2384	warn "removing ext commands";
		2385	%EXTCMD = ();
		2386
		2387	warn "unloading/nuking all extensions";
		2388	for my $pkg (@EXTS) {
2053	warn "unloading <$_>";	2389	warn "... unloading $pkg";
2054	unload_extension $_;	2390
		2391	if (my $cb = $pkg->can ("unload")) {
		2392	eval {
		2393	$cb->($pkg);
		2394	1
		2395	} or warn "$pkg unloaded, but with errors: $@";
2055	}	2396	}
2056		2397
		2398	warn "... nuking $pkg";
		2399	Symbol::delete_package $pkg;
		2400	}
		2401
2057	# unload all modules loaded from $LIBDIR	2402	warn "unloading all perl modules loaded from $LIBDIR";
2058	while (my ($k, $v) = each %INC) {	2403	while (my ($k, $v) = each %INC) {
2059	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2404	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2060		2405
2061	warn "removing <$k>";	2406	warn "... unloading $k";
2062	delete $INC{$k};	2407	delete $INC{$k};
2063		2408
2064	$k =~ s/\.pm$//;	2409	$k =~ s/\.pm$//;
2065	$k =~ s/\//::/g;	2410	$k =~ s/\//::/g;
2066		2411
…		…
2069	}	2414	}
2070		2415
2071	Symbol::delete_package $k;	2416	Symbol::delete_package $k;
2072	}	2417	}
2073		2418
2074	# sync database to disk
2075	cf::db_sync;
2076	IO::AIO::flush;
2077
2078	# get rid of safe::, as good as possible	2419	warn "getting rid of safe::, as good as possible";
2079	Symbol::delete_package "safe::$_"	2420	Symbol::delete_package "safe::$_"
2080	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2421	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2081		2422
2082	# remove register_script_function callbacks
2083	# TODO
2084
2085	# unload cf.pm "a bit"	2423	warn "unloading cf.pm \"a bit\"";
2086	delete $INC{"cf.pm"};	2424	delete $INC{"cf.pm"};
2087		2425
2088	# don't, removes xs symbols, too,	2426	# don't, removes xs symbols, too,
2089	# and global variables created in xs	2427	# and global variables created in xs
2090	#Symbol::delete_package __PACKAGE__;	2428	#Symbol::delete_package __PACKAGE__;
2091		2429
2092	# reload cf.pm	2430	warn "unload completed, starting to reload now";
		2431
2093	warn "reloading cf.pm";	2432	warn "reloading cf.pm";
2094	require cf;	2433	require cf;
2095	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2434	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2096		2435
2097	# load config and database again	2436	warn "loading config and database again";
2098	cf::cfg_load;	2437	cf::cfg_load;
2099	cf::db_load;	2438	cf::db_load;
2100		2439
2101	# load extensions
2102	warn "load extensions";	2440	warn "loading extensions";
2103	cf::load_extensions;	2441	cf::load_extensions;
2104		2442
2105	# reattach attachments to objects	2443	warn "reattaching attachments to objects/players";
2106	warn "reattach";
2107	_global_reattach;	2444	_global_reattach;
		2445	warn "reattaching attachments to maps";
		2446	reattach $_ for values %MAP;
		2447
		2448	warn "restarting server ticker";
		2449
		2450	$TICK_WATCHER->start;
2108	};	2451	};
2109		2452
2110	if ($@) {	2453	if ($@) {
2111	warn $@;	2454	warn $@;
2112	warn "error while reloading, exiting.";	2455	warn "error while reloading, exiting.";
2113	exit 1;	2456	exit 1;
2114	}	2457	}
2115		2458
2116	warn "reloaded successfully";	2459	warn "reloaded";
2117	};	2460	};
2118		2461
2119	#############################################################################	2462	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} = $LINK_MAP;
2160	}
2161
2162	register "<global>", __PACKAGE__;
2163		2463
2164	register_command "reload" => sub {	2464	register_command "reload" => sub {
2165	my ($who, $arg) = @_;	2465	my ($who, $arg) = @_;
2166		2466
2167	if ($who->flag (FLAG_WIZ)) {	2467	if ($who->flag (FLAG_WIZ)) {
2168	$who->message ("start of reload.");	2468	$who->message ("reloading server.");
		2469
		2470	# doing reload synchronously and two reloads happen back-to-back,
		2471	# coro crashes during coro_state_free->destroy here.
		2472
		2473	$RELOAD_WATCHER ||= Event->timer (
		2474	reentrant => 0,
		2475	after => 0,
		2476	data => WF_AUTOCANCEL,
		2477	cb => sub {
2169	reload;	2478	reload;
2170	$who->message ("end of reload.");	2479	undef $RELOAD_WATCHER;
		2480	},
		2481	);
2171	}	2482	}
2172	};	2483	};
2173		2484
2174	unshift @INC, $LIBDIR;	2485	unshift @INC, $LIBDIR;
		2486
		2487	my $bug_warning = 0;
2175		2488
2176	$TICK_WATCHER = Event->timer (	2489	$TICK_WATCHER = Event->timer (
2177	reentrant => 0,	2490	reentrant => 0,
		2491	parked => 1,
2178	prio => 0,	2492	prio => 0,
2179	at => $NEXT_TICK || $TICK,	2493	at => $NEXT_TICK || $TICK,
2180	data => WF_AUTOCANCEL,	2494	data => WF_AUTOCANCEL,
2181	cb => sub {	2495	cb => sub {
		2496	if ($Coro::current != $Coro::main) {
		2497	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2498	unless ++$bug_warning > 10;
		2499	return;
		2500	}
		2501
		2502	$NOW = Event::time;
		2503
2182	cf::server_tick; # one server iteration	2504	cf::server_tick; # one server iteration
2183	$RUNTIME += $TICK;	2505	$RUNTIME += $TICK;
2184	$NEXT_TICK += $TICK;	2506	$NEXT_TICK += $TICK;
		2507
		2508	$WAIT_FOR_TICK->broadcast;
		2509	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2510
		2511	Event::sweep;
		2512	Coro::cede_notself;
		2513
		2514	# my $AFTER = Event::time;
		2515	# warn $AFTER - $NOW;#d#
2185		2516
2186	# if we are delayed by four ticks or more, skip them all	2517	# if we are delayed by four ticks or more, skip them all
2187	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2518	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2188		2519
2189	$TICK_WATCHER->at ($NEXT_TICK);	2520	$TICK_WATCHER->at ($NEXT_TICK);
2190	$TICK_WATCHER->start;	2521	$TICK_WATCHER->start;
2191	},	2522	},
2192	);	2523	);
2193		2524
2194	IO::AIO::max_poll_time $TICK * 0.2;	2525	IO::AIO::max_poll_time $TICK * 0.1;
2195		2526
2196	Event->io (	2527	undef $Coro::AIO::WATCHER;
		2528	$AIO_POLL_WATCHER = Event->io (
		2529	reentrant => 0,
2197	fd => IO::AIO::poll_fileno,	2530	fd => IO::AIO::poll_fileno,
2198	poll => 'r',	2531	poll => 'r',
2199	prio => 5,	2532	prio => 6,
2200	data => WF_AUTOCANCEL,	2533	data => WF_AUTOCANCEL,
2201	cb => \&IO::AIO::poll_cb,	2534	cb => \&IO::AIO::poll_cb,
2202	);	2535	);
2203		2536
2204	Event->timer (	2537	$WRITE_RUNTIME_WATCHER = Event->timer (
		2538	reentrant => 0,
2205	data => WF_AUTOCANCEL,	2539	data => WF_AUTOCANCEL,
2206	after => 0,	2540	after => 1,
2207	interval => 10,	2541	interval => 10,
2208	cb => sub {	2542	prio => 6, # keep it lowest so it acts like a watchdog
2209	(Coro::unblock_sub {	2543	cb => Coro::unblock_sub {
2210	write_runtime	2544	write_runtime
2211	or warn "ERROR: unable to write runtime file: $!";	2545	or warn "ERROR: unable to write runtime file: $!";
2212	})->();
2213	},	2546	},
2214	);	2547	);
2215		2548
2216	END { cf::emergency_save }	2549	END { cf::emergency_save }
2217		2550

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