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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.139 by root, Fri Jan 5 19:12:03 2007 UTC vs.
Revision 1.166 by root, Sat Jan 13 23:06:13 2007 UTC

…		…
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;
…		…
47	our %CFG;	52	our %CFG;
48		53
49	our $UPTIME; $UPTIME ||= time;	54	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	55	our $RUNTIME;
51		56
		57	our %PLAYER; # all users
52	our %MAP; # all maps	58	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	59	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	60	our $RANDOM_MAPS = cf::localdir . "/random";
55	our %EXT_CORO;	61
		62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		64
		65	# used to convert map paths into valid unix filenames by replacing / by ∕
		66	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		67
57	binmode STDOUT;	68	binmode STDOUT;
58	binmode STDERR;	69	binmode STDERR;
59		70
60	# read virtual server time, if available	71	# read virtual server time, if available
…		…
68	mkdir cf::localdir . "/" . cf::playerdir;	79	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	80	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	81	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	82	mkdir $RANDOM_MAPS;
72		83
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	84	our $EMERGENCY_POSITION;
76		85
77	#############################################################################	86	#############################################################################
78		87
79	=head2 GLOBAL VARIABLES	88	=head2 GLOBAL VARIABLES
…		…
104		113
105	=item %cf::CFG	114	=item %cf::CFG
106		115
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	116	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	117	from wherever your confdir points to.
		118
		119	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		120
		121	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		122	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		123	processing has been done. Call C<< ->wait >> on them to maximise the
		124	window of cpu time available, or simply to synchronise to the server tick.
109		125
110	=back	126	=back
111		127
112	=cut	128	=cut
113		129
…		…
117	utf8::encode $msg;	133	utf8::encode $msg;
118		134
119	$msg .= "\n"	135	$msg .= "\n"
120	unless $msg =~ /\n$/;	136	unless $msg =~ /\n$/;
121		137
122	LOG llevError, "cfperl: $msg";	138	LOG llevError, $msg;
123	};	139	};
124	}	140	}
125		141
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	142	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	143	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		161
146	$Event::DIED = sub {	162	$Event::DIED = sub {
147	warn "error in event callback: @_";	163	warn "error in event callback: @_";
148	};	164	};
149		165
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	166	=head2 UTILITY FUNCTIONS
155		167
156	=over 4	168	=over 4
157		169
		170	=item dumpval $ref
		171
158	=cut	172	=cut
		173
		174	sub dumpval {
		175	eval {
		176	local $SIG{__DIE__};
		177	my $d;
		178	if (1) {
		179	$d = new Data::Dumper([$_[0]], ["*var"]);
		180	$d->Terse(1);
		181	$d->Indent(2);
		182	$d->Quotekeys(0);
		183	$d->Useqq(1);
		184	#$d->Bless(...);
		185	$d->Seen($_[1]) if @_ > 1;
		186	$d = $d->Dump();
		187	}
		188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		189	$d
		190	} || "[unable to dump $_[0]: '$@']";
		191	}
159		192
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	193	use JSON::Syck (); # TODO# replace by JSON::PC once working
161		194
162	=item $ref = cf::from_json $json	195	=item $ref = cf::from_json $json
163		196
…		…
228		261
229	my $guard = Coro::guard { $TICK_WATCHER->start };	262	my $guard = Coro::guard { $TICK_WATCHER->start };
230	$TICK_WATCHER->stop;	263	$TICK_WATCHER->stop;
231	$guard	264	$guard
232	}	265	}
		266
		267	=item cf::async { BLOCK }
		268
		269	Currently the same as Coro::async_pool, meaning you cannot use
		270	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		271	thing you are allowed to do is call C<prio> on it.
		272
		273	=cut
		274
		275	BEGIN { *async = \&Coro::async_pool }
233		276
234	=item cf::sync_job { BLOCK }	277	=item cf::sync_job { BLOCK }
235		278
236	The design of crossfire+ requires that the main coro ($Coro::main) is	279	The design of crossfire+ requires that the main coro ($Coro::main) is
237	always able to handle events or runnable, as crossfire+ is only partly	280	always able to handle events or runnable, as crossfire+ is only partly
…		…
256	my $freeze_guard = freeze_mainloop;	299	my $freeze_guard = freeze_mainloop;
257		300
258	my $busy = 1;	301	my $busy = 1;
259	my @res;	302	my @res;
260		303
261	(Coro::async_pool {	304	(async {
262	@res = eval { $job->() };	305	@res = eval { $job->() };
263	warn $@ if $@;	306	warn $@ if $@;
264	undef $busy;	307	undef $busy;
265	})->prio (Coro::PRIO_MAX);	308	})->prio (Coro::PRIO_MAX);
266		309
267	while ($busy) {	310	while ($busy) {
268	unless (Coro::cede) {	311	Coro::cede or Event::one_event;
269	Coro::nready ? Event::one_event 0 : Event::one_event;
270	Coro::cede_notself unless Coro::cede;
271	}
272	}	312	}
273		313
274	wantarray ? @res : $res[0]	314	wantarray ? @res : $res[0]
275	} else {	315	} else {
276	# we are in another coroutine, how wonderful, everything just works	316	# we are in another coroutine, how wonderful, everything just works
277		317
278	$job->()	318	$job->()
279	}	319	}
280	}	320	}
281		321
282	=item $coro = cf::coro { BLOCK }	322	=item $coro = cf::async_ext { BLOCK }
283		323
284	Creates (and readies) and returns a new coro. This coro is automcatially	324	Like async, but this coro is automatically being canceled when the
285	being canceled when the extension calling this is being unloaded.	325	extension calling this is being unloaded.
286		326
287	=cut	327	=cut
288		328
289	sub coro(&) {	329	sub async_ext(&) {
290	my $cb = shift;	330	my $cb = shift;
291		331
292	my $coro = &Coro::async_pool ($cb);	332	my $coro = &Coro::async ($cb);
293		333
294	$coro->on_destroy (sub {	334	$coro->on_destroy (sub {
295	delete $EXT_CORO{$coro+0};	335	delete $EXT_CORO{$coro+0};
296	});	336	});
297	$EXT_CORO{$coro+0} = $coro;	337	$EXT_CORO{$coro+0} = $coro;
298		338
299	$coro	339	$coro
300	}	340	}
301		341
302	sub write_runtime {	342	sub write_runtime {
		343	return unless $TICK_WATCHER->is_active;
		344
303	my $runtime = cf::localdir . "/runtime";	345	my $runtime = cf::localdir . "/runtime";
304		346
305	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
306	or return;	348	or return;
307		349
…		…
322	}	364	}
323		365
324	=back	366	=back
325		367
326	=cut	368	=cut
327
328	#############################################################################
329
330	package cf::path;
331
332	sub new {
333	my ($class, $path, $base) = @_;
334
335	$path = $path->as_string if ref $path;
336
337	my $self = bless { }, $class;
338
339	# {... are special paths that are not touched
340	# ?xxx/... are special absolute paths
341	# ?random/... random maps
342	# /! non-realised random map exit
343	# /... normal maps
344	# ~/... per-player maps without a specific player (DO NOT USE)
345	# ~user/... per-player map of a specific user
346
347	if ($path =~ /^{/) {
348	# fine as it is
349	} elsif ($path =~ s{^\?random/}{}) {
350	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
351	$self->{random} = cf::from_json $data;
352	} else {
353	if ($path =~ s{^~([^/]+)?}{}) {
354	$self->{user_rel} = 1;
355
356	if (defined $1) {
357	$self->{user} = $1;
358	} elsif ($base =~ m{^~([^/]+)/}) {
359	$self->{user} = $1;
360	} else {
361	warn "cannot resolve user-relative path without user <$path,$base>\n";
362	}
363	} elsif ($path =~ /^\//) {
364	# already absolute
365	} else {
366	$base =~ s{[^/]+/?$}{};
367	return $class->new ("$base/$path");
368	}
369
370	for ($path) {
371	redo if s{/\.?/}{/};
372	redo if s{/[^/]+/\.\./}{/};
373	}
374	}
375
376	$self->{path} = $path;
377
378	$self
379	}
380
381	# the name / primary key / in-game path
382	sub as_string {
383	my ($self) = @_;
384
385	$self->{user_rel} ? "~$self->{user}$self->{path}"
386	: $self->{random} ? "?random/$self->{path}"
387	: $self->{path}
388	}
389
390	# the displayed name, this is a one way mapping
391	sub visible_name {
392	my ($self) = @_;
393
394	# if (my $rmp = $self->{random}) {
395	# # todo: be more intelligent about this
396	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
397	# } else {
398	$self->as_string
399	# }
400	}
401
402	# escape the /'s in the path
403	sub _escaped_path {
404	# ∕ is U+2215
405	(my $path = $_[0]{path}) =~ s/\//∕/g;
406	$path
407	}
408
409	# the original (read-only) location
410	sub load_path {
411	my ($self) = @_;
412
413	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
414	}
415
416	# the temporary/swap location
417	sub save_path {
418	my ($self) = @_;
419
420	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
421	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
422	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
423	}
424
425	# the unique path, might be eq to save_path
426	sub uniq_path {
427	my ($self) = @_;
428
429	$self->{user_rel} || $self->{random}
430	? undef
431	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
432	}
433
434	# return random map parameters, or undef
435	sub random_map_params {
436	my ($self) = @_;
437
438	$self->{random}
439	}
440
441	# this is somewhat ugly, but style maps do need special treatment
442	sub is_style_map {
443	$_[0]{path} =~ m{^/styles/}
444	}
445
446	package cf;
447		369
448	#############################################################################	370	#############################################################################
449		371
450	=head2 ATTACHABLE OBJECTS	372	=head2 ATTACHABLE OBJECTS
451		373
…		…
898	=cut	820	=cut
899		821
900	sub register_extcmd {	822	sub register_extcmd {
901	my ($name, $cb) = @_;	823	my ($name, $cb) = @_;
902		824
903	my $caller = caller;
904	#warn "registering extcmd '$name' to '$caller'";
905
906	$EXTCMD{$name} = [$cb, $caller];	825	$EXTCMD{$name} = $cb;
907	}	826	}
908		827
909	cf::player->attach (	828	cf::player->attach (
910	on_command => sub {	829	on_command => sub {
911	my ($pl, $name, $params) = @_;	830	my ($pl, $name, $params) = @_;
…		…
924		843
925	my $msg = eval { from_json $buf };	844	my $msg = eval { from_json $buf };
926		845
927	if (ref $msg) {	846	if (ref $msg) {
928	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
929	if (my %reply = $cb->[0]->($pl, $msg)) {	848	if (my %reply = $cb->($pl, $msg)) {
930	$pl->ext_reply ($msg->{msgid}, %reply);	849	$pl->ext_reply ($msg->{msgid}, %reply);
931	}	850	}
932	}	851	}
933	} else {	852	} else {
934	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	853	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
936		855
937	cf::override;	856	cf::override;
938	},	857	},
939	);	858	);
940		859
941	sub register {
942	my ($base, $pkg) = @_;
943
944	#TODO
945	}
946
947	sub load_extension {	860	sub load_extension {
948	my ($path) = @_;	861	my ($path) = @_;
949		862
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	863	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
951	my $base = $1;	864	my $base = $1;
952	my $pkg = $1;	865	my $pkg = $1;
953	$pkg =~ s/[^[:word:]]/_/g;	866	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";	867	$pkg = "ext::$pkg";
955		868
956	warn "loading '$path' into '$pkg'\n";	869	warn "... loading '$path' into '$pkg'\n";
957		870
958	open my $fh, "<:utf8", $path	871	open my $fh, "<:utf8", $path
959	or die "$path: $!";	872	or die "$path: $!";
960		873
961	my $source =	874	my $source =
962	"package $pkg; use strict; use utf8;\n"	875	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"	876	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })	877	. (do { local $/; <$fh> })
965	. "\n};\n1";	878	. "\n};\n1";
966		879
967	eval $source	880	unless (eval $source) {
968	or die $@ ? "$path: $@\n"	881	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";	882	: "extension disabled.\n";
970		883	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	push @exts, $pkg;	884	warn $@;
972	$ext_pkg{$base} = $pkg;	885	warn "mandatory extension failed to load, exiting.\n";
973		886	exit 1;
974	# no strict 'refs';	887	}
975	# @{"$pkg\::ISA"} = ext::;	888	die $@;
976
977	register $base, $pkg;
978	}
979
980	sub unload_extension {
981	my ($pkg) = @_;
982
983	warn "removing extension $pkg\n";
984
985	# remove hooks
986	#TODO
987	# for my $idx (0 .. $#PLUGIN_EVENT) {
988	# delete $hook[$idx]{$pkg};
989	# }	889	}
990		890
991	# remove commands	891	push @EXTS, $pkg;
992	for my $name (keys %COMMAND) {
993	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
994
995	if (@cb) {
996	$COMMAND{$name} = \@cb;
997	} else {
998	delete $COMMAND{$name};
999	}
1000	}
1001
1002	# remove extcmds
1003	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1004	delete $EXTCMD{$name};
1005	}
1006
1007	if (my $cb = $pkg->can ("unload")) {
1008	eval {
1009	$cb->($pkg);
1010	1
1011	} or warn "$pkg unloaded, but with errors: $@";
1012	}
1013
1014	Symbol::delete_package $pkg;
1015	}	892	}
1016		893
1017	sub load_extensions {	894	sub load_extensions {
1018	for my $ext (<$LIBDIR/*.ext>) {	895	for my $ext (<$LIBDIR/*.ext>) {
1019	next unless -r $ext;	896	next unless -r $ext;
…		…
1037	};	914	};
1038		915
1039	cf::map->attach (prio => -10000, package => cf::mapsupport::);	916	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1040		917
1041	#############################################################################	918	#############################################################################
1042	# load/save perl data associated with player->ob objects
1043
1044	sub all_objects(@) {
1045	@_, map all_objects ($_->inv), @_
1046	}
1047
1048	# TODO: compatibility cruft, remove when no longer needed
1049	cf::player->attach (
1050	on_load => sub {
1051	my ($pl, $path) = @_;
1052
1053	for my $o (all_objects $pl->ob) {
1054	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1055	$o->set_ob_key_value ("_perl_data");
1056
1057	%$o = %{ Storable::thaw pack "H*", $value };
1058	}
1059	}
1060	},
1061	);
1062
1063	#############################################################################
1064		919
1065	=head2 CORE EXTENSIONS	920	=head2 CORE EXTENSIONS
1066		921
1067	Functions and methods that extend core crossfire objects.	922	Functions and methods that extend core crossfire objects.
1068		923
		924	=cut
		925
		926	package cf::player;
		927
		928	use Coro::AIO;
		929
1069	=head3 cf::player	930	=head3 cf::player
1070		931
1071	=over 4	932	=over 4
1072		933
1073	=item cf::player::exists $login	934	=item cf::player::find $login
1074		935
1075	Returns true when the given account exists.	936	Returns the given player object, loading it if necessary (might block).
1076		937
1077	=cut	938	=cut
1078		939
1079	sub cf::player::exists($) {	940	sub playerdir($) {
1080	cf::player::find $_[0]	941	cf::localdir
1081	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	942	. "/"
		943	. cf::playerdir
		944	. "/"
		945	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		946	}
		947
		948	sub path($) {
		949	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		950
		951	(playerdir $login) . "/$login.pl"
		952	}
		953
		954	sub find_active($) {
		955	$cf::PLAYER{$_[0]}
		956	and $cf::PLAYER{$_[0]}->active
		957	and $cf::PLAYER{$_[0]}
		958	}
		959
		960	sub exists($) {
		961	my ($login) = @_;
		962
		963	$cf::PLAYER{$login}
		964	or cf::sync_job { !aio_stat $login }
		965	}
		966
		967	sub find($) {
		968	return $cf::PLAYER{$_[0]} || do {
		969	my $login = $_[0];
		970
		971	my $guard = cf::lock_acquire "user_find:$login";
		972
		973	$cf::PLAYER{$_[0]} || do {
		974	my $pl = load_pl path $login
		975	or return;
		976	$cf::PLAYER{$login} = $pl
		977	}
		978	}
		979	}
		980
		981	sub save($) {
		982	my ($pl) = @_;
		983
		984	return if $pl->{deny_save};
		985
		986	my $path = path $pl;
		987	my $guard = cf::lock_acquire "user_save:$path";
		988
		989	return if $pl->{deny_save};
		990
		991	aio_mkdir playerdir $pl, 0770;
		992	$pl->{last_save} = $cf::RUNTIME;
		993
		994	$pl->save_pl ($path);
		995	Coro::cede;
		996	}
		997
		998	sub new($) {
		999	my ($login) = @_;
		1000
		1001	my $self = create;
		1002
		1003	$self->ob->name ($login);
		1004	$self->{deny_save} = 1;
		1005
		1006	$cf::PLAYER{$login} = $self;
		1007
		1008	$self
		1009	}
		1010
		1011	=item $pl->quit_character
		1012
		1013	Nukes the player without looking back. If logged in, the connection will
		1014	be destroyed. May block for a long time.
		1015
		1016	=cut
		1017
		1018	sub quit_character {
		1019	my ($pl) = @_;
		1020
		1021	$pl->{deny_save} = 1;
		1022	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1023
		1024	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1025	$pl->deactivate;
		1026	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1027	$pl->ns->destroy if $pl->ns;
		1028
		1029	my $path = playerdir $pl;
		1030	my $temp = "$path~$cf::RUNTIME~deleting~";
		1031	aio_rename $path, $temp;
		1032	delete $cf::PLAYER{$pl->ob->name};
		1033	$pl->destroy;
		1034	IO::AIO::aio_rmtree $temp;
		1035	}
		1036
		1037	=item cf::player::list_logins
		1038
		1039	Returns am arrayref of all valid playernames in the system, can take a
		1040	while and may block, so not sync_job-capable, ever.
		1041
		1042	=cut
		1043
		1044	sub list_logins {
		1045	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1046	or return [];
		1047
		1048	my @logins;
		1049
		1050	for my $login (@$dirs) {
		1051	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1052	aio_read $fh, 0, 512, my $buf, 0 or next;
		1053	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1054
		1055	utf8::decode $login;
		1056	push @logins, $login;
		1057	}
		1058
		1059	\@logins
		1060	}
		1061
		1062	=item $player->maps
		1063
		1064	Returns an arrayref of map paths that are private for this
		1065	player. May block.
		1066
		1067	=cut
		1068
		1069	sub maps($) {
		1070	my ($pl) = @_;
		1071
		1072	my $files = aio_readdir playerdir $pl
		1073	or return;
		1074
		1075	my @paths;
		1076
		1077	for (@$files) {
		1078	utf8::decode $_;
		1079	next if /\.(?:pl|pst)$/;
		1080	next unless /^$PATH_SEP/o;
		1081
		1082	push @paths, "~" . $pl->ob->name . "/" . $_;
		1083	}
		1084
		1085	\@paths
1082	}	1086	}
1083		1087
1084	=item $player->ext_reply ($msgid, $msgtype, %msg)	1088	=item $player->ext_reply ($msgid, $msgtype, %msg)
1085		1089
1086	Sends an ext reply to the player.	1090	Sends an ext reply to the player.
1087		1091
1088	=cut	1092	=cut
1089		1093
1090	sub cf::player::ext_reply($$$%) {	1094	sub ext_reply($$$%) {
1091	my ($self, $id, %msg) = @_;	1095	my ($self, $id, %msg) = @_;
1092		1096
1093	$msg{msgid} = $id;	1097	$msg{msgid} = $id;
1094		1098
1095	$self->send ("ext " . to_json \%msg);	1099	$self->send ("ext " . cf::to_json \%msg);
1096	}	1100	}
		1101
		1102	package cf;
1097		1103
1098	=back	1104	=back
1099		1105
1100		1106
1101	=head3 cf::map	1107	=head3 cf::map
…		…
1107	package cf::map;	1113	package cf::map;
1108		1114
1109	use Fcntl;	1115	use Fcntl;
1110	use Coro::AIO;	1116	use Coro::AIO;
1111		1117
		1118	use overload
		1119	'""' => \&as_string;
		1120
1112	our $MAX_RESET = 3600;	1121	our $MAX_RESET = 3600;
1113	our $DEFAULT_RESET = 3000;	1122	our $DEFAULT_RESET = 3000;
1114		1123
1115	sub generate_random_map {	1124	sub generate_random_map {
1116	my ($path, $rmp) = @_;	1125	my ($self, $rmp) = @_;
1117		1126
1118	# mit "rum" bekleckern, nicht	1127	# mit "rum" bekleckern, nicht
1119	cf::map::_create_random_map	1128	$self->_create_random_map (
1120	$path,
1121	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1122	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1123	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1131	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1124	$rmp->{exit_on_final_map},	1132	$rmp->{exit_on_final_map},
1125	$rmp->{xsize}, $rmp->{ysize},	1133	$rmp->{xsize}, $rmp->{ysize},
1126	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1134	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1127	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1135	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1128	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1136	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1129	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1137	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1130	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1131	(cf::region::find $rmp->{region})	1139	(cf::region::find $rmp->{region}), $rmp->{custom}
		1140	)
		1141	}
		1142
		1143	sub register {
		1144	my (undef, $regex) = @_;
		1145	my $pkg = caller;
		1146
		1147	no strict;
		1148	push @{"$pkg\::ISA"}, __PACKAGE__;
		1149
		1150	$EXT_MAP{$pkg} = qr<$regex>;
		1151	}
		1152
		1153	# also paths starting with '/'
		1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};
		1155
		1156	sub normalise {
		1157	my ($path, $base) = @_;
		1158
		1159	# map plan:
		1160	#
		1161	# /! non-realised random map exit (special hack!)
		1162	# {... are special paths that are not being touched
		1163	# ?xxx/... are special absolute paths
		1164	# ?random/... random maps
		1165	# /... normal maps
		1166	# ~user/... per-player map of a specific user
		1167
		1168	$path =~ s/$PATH_SEP/\//go;
		1169
		1170	# treat it as relative path if it starts with
		1171	# something that looks reasonable
		1172	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1173	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1174
		1175	$base =~ s{[^/]+/?$}{};
		1176	$path = "$base/$path";
		1177	}
		1178
		1179	for ($path) {
		1180	redo if s{//}{/};
		1181	redo if s{/\.?/}{/};
		1182	redo if s{/[^/]+/\.\./}{/};
		1183	}
		1184
		1185	$path
		1186	}
		1187
		1188	sub new_from_path {
		1189	my (undef, $path, $base) = @_;
		1190
		1191	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1192
		1193	$path = normalise $path, $base;
		1194
		1195	for my $pkg (keys %EXT_MAP) {
		1196	if ($path =~ $EXT_MAP{$pkg}) {
		1197	my $self = bless cf::map::new, $pkg;
		1198	$self->{path} = $path; $self->path ($path);
		1199	$self->init; # pass $1 etc.
		1200	return $self;
		1201	}
		1202	}
		1203
		1204	Carp::carp "unable to resolve path '$path'.";
		1205	()
		1206	}
		1207
		1208	sub init {
		1209	my ($self) = @_;
		1210
		1211	$self
		1212	}
		1213
		1214	sub as_string {
		1215	my ($self) = @_;
		1216
		1217	"$self->{path}"
		1218	}
		1219
		1220	# the displayed name, this is a one way mapping
		1221	sub visible_name {
		1222	&as_string
		1223	}
		1224
		1225	# escape the /'s in the path
		1226	sub _escaped_path {
		1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1228
		1229	$path
		1230	}
		1231
		1232	# the original (read-only) location
		1233	sub load_path {
		1234	my ($self) = @_;
		1235
		1236	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		1237	}
		1238
		1239	# the temporary/swap location
		1240	sub save_path {
		1241	my ($self) = @_;
		1242
		1243	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $self->_escaped_path
		1244	}
		1245
		1246	# the unique path, undef == no special unique path
		1247	sub uniq_path {
		1248	my ($self) = @_;
		1249
		1250	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
1132	}	1251	}
1133		1252
1134	# and all this just because we cannot iterate over	1253	# and all this just because we cannot iterate over
1135	# all maps in C++...	1254	# all maps in C++...
1136	sub change_all_map_light {	1255	sub change_all_map_light {
…		…
1138		1257
1139	$_->change_map_light ($change)	1258	$_->change_map_light ($change)
1140	for grep $_->outdoor, values %cf::MAP;	1259	for grep $_->outdoor, values %cf::MAP;
1141	}	1260	}
1142		1261
		1262	sub unlink_save {
		1263	my ($self) = @_;
		1264
		1265	utf8::encode (my $save = $self->save_path);
		1266	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
		1267	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
		1268	}
		1269
1143	sub try_load_header($) {	1270	sub load_header_from($) {
1144	my ($path) = @_;	1271	my ($self, $path) = @_;
1145		1272
1146	utf8::encode $path;	1273	utf8::encode $path;
1147	aio_open $path, O_RDONLY, 0	1274	aio_open $path, O_RDONLY, 0
1148	or return;	1275	or return;
1149		1276
1150	my $map = cf::map::new	1277	$self->_load_header ($path)
1151	or return;	1278	or return;
1152		1279
1153	# for better error messages only, will be overwritten	1280	$self->{load_path} = $path;
1154	$map->path ($path);
1155		1281
1156	$map->load_header ($path)	1282	1
		1283	}
		1284
		1285	sub load_orig {
		1286	my ($self) = @_;
		1287
		1288	$self->load_header_from ($self->load_path)
		1289	}
		1290
		1291	sub load_temp {
		1292	my ($self) = @_;
		1293
		1294	$self->load_header_from ($self->save_path)
		1295	}
		1296
		1297	sub load_header {
		1298	my ($self) = @_;
		1299
		1300	if ($self->load_temp) {
		1301	$self->last_access ((delete $self->{last_access})
		1302	|| $cf::RUNTIME); #d#
		1303	# safety
		1304	$self->{instantiate_time} = $cf::RUNTIME
		1305	if $self->{instantiate_time} > $cf::RUNTIME;
		1306	} else {
		1307	$self->load_orig
1157	or return;	1308	or return;
1158		1309
1159	$map->{load_path} = $path;	1310	$self->{load_original} = 1;
		1311	$self->{instantiate_time} = $cf::RUNTIME;
		1312	$self->last_access ($cf::RUNTIME);
		1313	$self->instantiate;
		1314	}
1160		1315
1161	$map	1316	1
1162	}	1317	}
1163		1318
1164	sub find;	1319	sub find;
1165	sub find {	1320	sub find {
1166	my ($path, $origin) = @_;	1321	my ($path, $origin) = @_;
1167		1322
1168	#warn "find<$path,$origin>\n";#d#
1169
1170	$path = new cf::path $path, $origin && $origin->path;	1323	$path = normalise $path, $origin && $origin->path;
1171	my $key = $path->as_string;
1172		1324
1173	cf::lock_wait "map_find:$key";	1325	cf::lock_wait "map_find:$path";
1174		1326
1175	$cf::MAP{$key} || do {	1327	$cf::MAP{$path} || do {
1176	my $guard = cf::lock_acquire "map_find:$key";	1328	my $guard = cf::lock_acquire "map_find:$path";
1177		1329	my $map = new_from_path cf::map $path
1178	# do it the slow way
1179	my $map = try_load_header $path->save_path;
1180
1181	Coro::cede;
1182
1183	if ($map) {
1184	$map->last_access ((delete $map->{last_access})
1185	|| $cf::RUNTIME); #d#
1186	# safety
1187	$map->{instantiate_time} = $cf::RUNTIME
1188	if $map->{instantiate_time} > $cf::RUNTIME;
1189	} else {
1190	if (my $rmp = $path->random_map_params) {
1191	$map = generate_random_map $key, $rmp;
1192	} else {
1193	$map = try_load_header $path->load_path;
1194	}
1195
1196	$map or return;	1330	or return;
1197		1331
1198	$map->{load_original} = 1;
1199	$map->{instantiate_time} = $cf::RUNTIME;
1200	$map->last_access ($cf::RUNTIME);
1201	$map->instantiate;
1202
1203	# per-player maps become, after loading, normal maps
1204	$map->per_player (0) if $path->{user_rel};
1205	}
1206
1207	$map->path ($key);
1208	$map->{path} = $path;
1209	$map->{last_save} = $cf::RUNTIME;	1332	$map->{last_save} = $cf::RUNTIME;
1210		1333
1211	Coro::cede;	1334	$map->load_header
		1335	or return;
1212		1336
1213	if ($map->should_reset) {	1337	if ($map->should_reset) {
1214	$map->reset;	1338	$map->reset;
1215	undef $guard;	1339	undef $guard;
1216	$map = find $path	1340	$map = find $path
1217	or return;	1341	or return;
1218	}	1342	}
1219		1343
1220	$cf::MAP{$key} = $map	1344	$cf::MAP{$path} = $map
1221	}	1345	}
1222	}	1346	}
1223		1347
1224	sub load {	1348	sub load {
1225	my ($self) = @_;	1349	my ($self) = @_;
1226		1350
1227	my $path = $self->{path};	1351	my $path = $self->{path};
1228	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1352	my $guard = cf::lock_acquire "map_load:$path";
1229		1353
1230	return if $self->in_memory != cf::MAP_SWAPPED;	1354	return if $self->in_memory != cf::MAP_SWAPPED;
1231		1355
1232	$self->in_memory (cf::MAP_LOADING);	1356	$self->in_memory (cf::MAP_LOADING);
1233		1357
1234	$self->alloc;	1358	$self->alloc;
1235	$self->load_objects ($self->{load_path}, 1)	1359	$self->_load_objects ($self->{load_path}, 1)
1236	or return;	1360	or return;
1237		1361
1238	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1362	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1239	if delete $self->{load_original};	1363	if delete $self->{load_original};
1240		1364
1241	if (my $uniq = $path->uniq_path) {	1365	if (my $uniq = $self->uniq_path) {
1242	utf8::encode $uniq;	1366	utf8::encode $uniq;
1243	if (aio_open $uniq, O_RDONLY, 0) {	1367	if (aio_open $uniq, O_RDONLY, 0) {
1244	$self->clear_unique_items;	1368	$self->clear_unique_items;
1245	$self->load_objects ($uniq, 0);	1369	$self->_load_objects ($uniq, 0);
1246	}	1370	}
1247	}	1371	}
1248		1372
1249	Coro::cede;	1373	Coro::cede;
1250		1374
1251	# now do the right thing for maps	1375	# now do the right thing for maps
1252	$self->link_multipart_objects;	1376	$self->link_multipart_objects;
1253		1377
1254	if ($self->{path}->is_style_map) {	1378	unless ($self->{deny_activate}) {
1255	$self->{deny_save} = 1;	1379	$self->decay_objects;
1256	$self->{deny_reset} = 1;
1257	} else {
1258	$self->fix_auto_apply;	1380	$self->fix_auto_apply;
1259	$self->decay_objects;
1260	$self->update_buttons;	1381	$self->update_buttons;
		1382	Coro::cede;
1261	$self->set_darkness_map;	1383	$self->set_darkness_map;
1262	$self->difficulty ($self->estimate_difficulty)	1384	$self->difficulty ($self->estimate_difficulty)
1263	unless $self->difficulty;	1385	unless $self->difficulty;
		1386	Coro::cede;
1264	$self->activate;	1387	$self->activate;
1265	}	1388	}
1266		1389
1267	Coro::cede;
1268
1269	$self->in_memory (cf::MAP_IN_MEMORY);	1390	$self->in_memory (cf::MAP_IN_MEMORY);
		1391	}
		1392
		1393	sub customise_for {
		1394	my ($self, $ob) = @_;
		1395
		1396	return find "~" . $ob->name . "/" . $self->{path}
		1397	if $self->per_player;
		1398
		1399	$self
		1400	}
		1401
		1402	# find and load all maps in the 3x3 area around a map
		1403	sub load_diag {
		1404	my ($map) = @_;
		1405
		1406	my @diag; # diagonal neighbours
		1407
		1408	for (0 .. 3) {
		1409	my $neigh = $map->tile_path ($_)
		1410	or next;
		1411	$neigh = find $neigh, $map
		1412	or next;
		1413	$neigh->load;
		1414
		1415	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1416	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1417	}
		1418
		1419	for (@diag) {
		1420	my $neigh = find @$_
		1421	or next;
		1422	$neigh->load;
		1423	}
1270	}	1424	}
1271		1425
1272	sub find_sync {	1426	sub find_sync {
1273	my ($path, $origin) = @_;	1427	my ($path, $origin) = @_;
1274		1428
1275	cf::sync_job {	1429	cf::sync_job { find $path, $origin }
1276	my $map = cf::map::find $path, $origin;
1277	$map
1278	}
1279	}	1430	}
1280		1431
1281	sub do_load_sync {	1432	sub do_load_sync {
1282	my ($map) = @_;	1433	my ($map) = @_;
1283		1434
1284	cf::sync_job { $map->load };	1435	cf::sync_job { $map->load };
1285	}	1436	}
1286		1437
		1438	our %MAP_PREFETCH;
		1439	our $MAP_PREFETCHER = Coro::async {
		1440	while () {
		1441	for my $path (keys %MAP_PREFETCH) {
		1442	my $map = find $path
		1443	or next;
		1444	$map->load;
		1445
		1446	delete $MAP_PREFETCH{$path};
		1447	}
		1448	Coro::schedule;
		1449	}
		1450	};
		1451
		1452	sub find_async {
		1453	my ($path, $origin) = @_;
		1454
		1455	$path = normalise $path, $origin && $origin->{path};
		1456
		1457	if (my $map = $cf::MAP{$path}) {
		1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1459	}
		1460
		1461	$MAP_PREFETCH{$path} = 0;
		1462	$MAP_PREFETCHER->ready;
		1463
		1464	()
		1465	}
		1466
1287	sub save {	1467	sub save {
1288	my ($self) = @_;	1468	my ($self) = @_;
1289		1469
1290	my $lock = cf::lock_acquire "map_data:" . $self->path;	1470	my $lock = cf::lock_acquire "map_data:" . $self->path;
1291		1471
1292	$self->{last_save} = $cf::RUNTIME;	1472	$self->{last_save} = $cf::RUNTIME;
1293		1473
1294	return unless $self->dirty;	1474	return unless $self->dirty;
1295		1475
1296	my $save = $self->{path}->save_path; utf8::encode $save;	1476	my $save = $self->save_path; utf8::encode $save;
1297	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1477	my $uniq = $self->uniq_path; utf8::encode $uniq;
1298		1478
1299	$self->{load_path} = $save;	1479	$self->{load_path} = $save;
1300		1480
1301	return if $self->{deny_save};	1481	return if $self->{deny_save};
1302		1482
1303	local $self->{last_access} = $self->last_access;#d#	1483	local $self->{last_access} = $self->last_access;#d#
1304		1484
		1485	cf::async {
		1486	$_->contr->save for $self->players;
		1487	};
		1488
1305	if ($uniq) {	1489	if ($uniq) {
1306	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1490	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1307	$self->save_objects ($uniq, cf::IO_UNIQUES);	1491	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1308	} else {	1492	} else {
1309	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1493	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1310	}	1494	}
1311	}	1495	}
1312		1496
1313	sub swap_out {	1497	sub swap_out {
1314	my ($self) = @_;	1498	my ($self) = @_;
…		…
1328		1512
1329	sub reset_at {	1513	sub reset_at {
1330	my ($self) = @_;	1514	my ($self) = @_;
1331		1515
1332	# TODO: safety, remove and allow resettable per-player maps	1516	# TODO: safety, remove and allow resettable per-player maps
1333	return 1e99 if $self->{path}{user_rel};	1517	return 1e99 if $self->isa ("ext::map_per_player");
1334	return 1e99 if $self->{deny_reset};	1518	return 1e99 if $self->{deny_reset};
1335		1519
1336	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1520	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1337	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1521	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1338		1522
…		…
1343	my ($self) = @_;	1527	my ($self) = @_;
1344		1528
1345	$self->reset_at <= $cf::RUNTIME	1529	$self->reset_at <= $cf::RUNTIME
1346	}	1530	}
1347		1531
1348	sub unlink_save {
1349	my ($self) = @_;
1350
1351	utf8::encode (my $save = $self->{path}->save_path);
1352	aioreq_pri 3; IO::AIO::aio_unlink $save;
1353	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1354	}
1355
1356	sub rename {	1532	sub rename {
1357	my ($self, $new_path) = @_;	1533	my ($self, $new_path) = @_;
1358		1534
		1535	normalise $new_path;
		1536
1359	$self->unlink_save;	1537	$self->unlink_save;
1360		1538
1361	delete $cf::MAP{$self->path};	1539	delete $cf::MAP{$self->path};
1362	$self->{path} = new cf::path $new_path;	1540	$self->{path} = $new_path; $self->path ($self->{path});
1363	$self->path ($self->{path}->as_string);
1364	$cf::MAP{$self->path} = $self;	1541	$cf::MAP{$self->path} = $self;
1365		1542
1366	$self->save;	1543	$self->save;
1367	}	1544	}
1368		1545
…		…
1370	my ($self) = @_;	1547	my ($self) = @_;
1371		1548
1372	my $lock = cf::lock_acquire "map_data:" . $self->path;	1549	my $lock = cf::lock_acquire "map_data:" . $self->path;
1373		1550
1374	return if $self->players;	1551	return if $self->players;
1375	return if $self->{path}{user_rel};#d#	1552	return if $self->isa ("ext::map_per_player");#d#
1376		1553
1377	warn "resetting map ", $self->path;#d#	1554	warn "resetting map ", $self->path;#d#
1378		1555
1379	delete $cf::MAP{$self->path};	1556	delete $cf::MAP{$self->path};
1380		1557
…		…
1393	$self->reset_timeout (1);	1570	$self->reset_timeout (1);
1394	$self->rename ("{nuke}/" . ($nuke_counter++));	1571	$self->rename ("{nuke}/" . ($nuke_counter++));
1395	$self->reset; # polite request, might not happen	1572	$self->reset; # polite request, might not happen
1396	}	1573	}
1397		1574
1398	sub customise_for {	1575	=item cf::map::unique_maps
1399	my ($map, $ob) = @_;
1400		1576
1401	if ($map->per_player) {	1577	Returns an arrayref of paths of all shared maps that have
1402	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1578	instantiated unique items. May block.
1403	}
1404		1579
1405	$map	1580	=cut
1406	}
1407		1581
1408	sub emergency_save {	1582	sub unique_maps() {
1409	my $freeze_guard = cf::freeze_mainloop;	1583	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1584	or return;
1410		1585
1411	warn "enter emergency map save\n";	1586	my @paths;
1412		1587
1413	cf::sync_job {	1588	for (@$files) {
1414	warn "begin emergency map save\n";	1589	utf8::decode $_;
1415	$_->save for values %cf::MAP;	1590	next if /\.pst$/;
		1591	next unless /^$PATH_SEP/o;
		1592
		1593	push @paths, $_;
1416	};	1594	}
1417		1595
1418	warn "end emergency map save\n";	1596	\@paths
1419	}	1597	}
1420		1598
1421	package cf;	1599	package cf;
1422		1600
1423	=back	1601	=back
1424		1602
		1603	=head3 cf::object
		1604
		1605	=cut
		1606
		1607	package cf::object;
		1608
		1609	=over 4
		1610
		1611	=item $ob->inv_recursive
		1612
		1613	Returns the inventory of the object _and_ their inventories, recursively.
		1614
		1615	=cut
		1616
		1617	sub inv_recursive_;
		1618	sub inv_recursive_ {
		1619	map { $_, inv_recursive_ $_->inv } @_
		1620	}
		1621
		1622	sub inv_recursive {
		1623	inv_recursive_ inv $_[0]
		1624	}
		1625
		1626	package cf;
		1627
		1628	=back
1425		1629
1426	=head3 cf::object::player	1630	=head3 cf::object::player
1427		1631
1428	=over 4	1632	=over 4
1429		1633
…		…
1469		1673
1470	=item $player_object->enter_link	1674	=item $player_object->enter_link
1471		1675
1472	Freezes the player and moves him/her to a special map (C<{link}>).	1676	Freezes the player and moves him/her to a special map (C<{link}>).
1473		1677
1474	The player should be reaosnably safe there for short amounts of time. You	1678	The player should be reasonably safe there for short amounts of time. You
1475	I<MUST> call C<leave_link> as soon as possible, though.	1679	I<MUST> call C<leave_link> as soon as possible, though.
1476		1680
		1681	Will never block.
		1682
1477	=item $player_object->leave_link ($map, $x, $y)	1683	=item $player_object->leave_link ($map, $x, $y)
1478		1684
1479	Moves the player out of the specila link map onto the given map. If the	1685	Moves the player out of the special C<{link}> map onto the specified
1480	map is not valid (or omitted), the player will be moved back to the	1686	map. If the map is not valid (or omitted), the player will be moved back
1481	location he/she was before the call to C<enter_link>, or, if that fails,	1687	to the location he/she was before the call to C<enter_link>, or, if that
1482	to the emergency map position.	1688	fails, to the emergency map position.
1483		1689
1484	Might block.	1690	Might block.
1485		1691
1486	=cut	1692	=cut
		1693
		1694	sub link_map {
		1695	unless ($LINK_MAP) {
		1696	$LINK_MAP = cf::map::find "{link}"
		1697	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
		1698	$LINK_MAP->load;
		1699	}
		1700
		1701	$LINK_MAP
		1702	}
1487		1703
1488	sub cf::object::player::enter_link {	1704	sub cf::object::player::enter_link {
1489	my ($self) = @_;	1705	my ($self) = @_;
1490		1706
1491	$self->deactivate_recursive;	1707	$self->deactivate_recursive;
1492		1708
1493	return if $self->map == $LINK_MAP;	1709	return if UNIVERSAL::isa $self->map, "ext::map_link";
1494		1710
1495	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1496	if $self->map;	1712	if $self->map;
1497		1713
1498	$self->enter_map ($LINK_MAP, 20, 20);	1714	$self->enter_map ($LINK_MAP || link_map, 20, 20);
1499	}	1715	}
1500		1716
1501	sub cf::object::player::leave_link {	1717	sub cf::object::player::leave_link {
1502	my ($self, $map, $x, $y) = @_;	1718	my ($self, $map, $x, $y) = @_;
1503		1719
…		…
1521	# use -1 or undef as default coordinates, not 0, 0	1737	# use -1 or undef as default coordinates, not 0, 0
1522	($x, $y) = ($map->enter_x, $map->enter_y)	1738	($x, $y) = ($map->enter_x, $map->enter_y)
1523	if $x <=0 && $y <= 0;	1739	if $x <=0 && $y <= 0;
1524		1740
1525	$map->load;	1741	$map->load;
		1742	$map->load_diag;
1526		1743
		1744	return unless $self->contr->active;
1527	$self->activate_recursive;	1745	$self->activate_recursive;
1528	$self->enter_map ($map, $x, $y);	1746	$self->enter_map ($map, $x, $y);
1529	}	1747	}
1530		1748
1531	cf::player->attach (	1749	cf::player->attach (
…		…
1543	my ($pl) = @_;	1761	my ($pl) = @_;
1544		1762
1545	# try to abort aborted map switching on player login :)	1763	# try to abort aborted map switching on player login :)
1546	# should happen only on crashes	1764	# should happen only on crashes
1547	if ($pl->ob->{_link_pos}) {	1765	if ($pl->ob->{_link_pos}) {
1548
1549	$pl->ob->enter_link;	1766	$pl->ob->enter_link;
1550	(Coro::async_pool {	1767	(async {
1551	# we need this sleep as the login has a concurrent enter_exit running	1768	# we need this sleep as the login has a concurrent enter_exit running
1552	# and this sleep increases chances of the player not ending up in scorn	1769	# and this sleep increases chances of the player not ending up in scorn
		1770	$pl->ob->reply (undef,
		1771	"There was an internal problem at your last logout, "
		1772	. "the server will try to bring you to your intended destination in a second.",
		1773	cf::NDI_RED);
1553	Coro::Timer::sleep 1;	1774	Coro::Timer::sleep 1;
1554	$pl->ob->leave_link;	1775	$pl->ob->leave_link;
1555	})->prio (2);	1776	})->prio (2);
1556	}	1777	}
1557	},	1778	},
…		…
1564	sub cf::object::player::goto {	1785	sub cf::object::player::goto {
1565	my ($self, $path, $x, $y) = @_;	1786	my ($self, $path, $x, $y) = @_;
1566		1787
1567	$self->enter_link;	1788	$self->enter_link;
1568		1789
1569	(Coro::async_pool {	1790	(async {
1570	$path = new cf::path $path;
1571
1572	my $map = cf::map::find $path->as_string;	1791	my $map = cf::map::find $path;
1573	$map = $map->customise_for ($self) if $map;	1792	$map = $map->customise_for ($self) if $map;
1574		1793
1575	# warn "entering ", $map->path, " at ($x, $y)\n"	1794	# warn "entering ", $map->path, " at ($x, $y)\n"
1576	# if $map;	1795	# if $map;
1577		1796
1578	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1797	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1579		1798
1580	$self->leave_link ($map, $x, $y);	1799	$self->leave_link ($map, $x, $y);
1581	})->prio (1);	1800	})->prio (1);
1582	}	1801	}
1583		1802
…		…
1636		1855
1637	return unless $self->type == cf::PLAYER;	1856	return unless $self->type == cf::PLAYER;
1638		1857
1639	$self->enter_link;	1858	$self->enter_link;
1640		1859
1641	(Coro::async_pool {	1860	(async {
1642	$self->deactivate_recursive; # just to be sure	1861	$self->deactivate_recursive; # just to be sure
1643	unless (eval {	1862	unless (eval {
1644	prepare_random_map $exit	1863	prepare_random_map $exit
1645	if $exit->slaying eq "/!";	1864	if $exit->slaying eq "/!";
1646		1865
1647	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1866	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1648	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	1867	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1649		1868
1650	1;	1869	1;
1651	}) {	1870	}) {
1652	$self->message ("Something went wrong deep within the crossfire server. "	1871	$self->message ("Something went wrong deep within the crossfire server. "
1653	. "I'll try to bring you back to the map you were before. "	1872	. "I'll try to bring you back to the map you were before. "
1654	. "Please report this to the dungeon master",	1873	. "Please report this to the dungeon master!",
1655	cf::NDI_UNIQUE | cf::NDI_RED);	1874	cf::NDI_UNIQUE | cf::NDI_RED);
1656		1875
1657	warn "ERROR in enter_exit: $@";	1876	warn "ERROR in enter_exit: $@";
1658	$self->leave_link;	1877	$self->leave_link;
1659	}	1878	}
…		…
1727	}	1946	}
1728	}	1947	}
1729	},	1948	},
1730	);	1949	);
1731		1950
1732	=item $client->coro (\&cb)	1951	=item $client->async (\&cb)
1733		1952
1734	Create a new coroutine, running the specified callback. The coroutine will	1953	Create a new coroutine, running the specified callback. The coroutine will
1735	be automatically cancelled when the client gets destroyed (e.g. on logout,	1954	be automatically cancelled when the client gets destroyed (e.g. on logout,
1736	or loss of connection).	1955	or loss of connection).
1737		1956
1738	=cut	1957	=cut
1739		1958
1740	sub cf::client::coro {	1959	sub cf::client::async {
1741	my ($self, $cb) = @_;	1960	my ($self, $cb) = @_;
1742		1961
1743	my $coro = &Coro::async_pool ($cb);	1962	my $coro = &Coro::async ($cb);
1744		1963
1745	$coro->on_destroy (sub {	1964	$coro->on_destroy (sub {
1746	delete $self->{_coro}{$coro+0};	1965	delete $self->{_coro}{$coro+0};
1747	});	1966	});
1748		1967
…		…
1991	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2210	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
1992	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	2211	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
1993		2212
1994	if (exists $CFG{mlockall}) {	2213	if (exists $CFG{mlockall}) {
1995	eval {	2214	eval {
1996	$CFG{mlockall} ? &mlockall : &munlockall	2215	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1997	and die "WARNING: m(un)lockall failed: $!\n";	2216	and die "WARNING: m(un)lockall failed: $!\n";
1998	};	2217	};
1999	warn $@ if $@;	2218	warn $@ if $@;
2000	}	2219	}
2001	}	2220	}
2002		2221
2003	sub main {	2222	sub main {
2004	# we must not ever block the main coroutine	2223	# we must not ever block the main coroutine
2005	local $Coro::idle = sub {	2224	local $Coro::idle = sub {
2006	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2225	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2007	Coro::async_pool { Event::one_event };	2226	async { Event::one_event };
2008	};	2227	};
2009		2228
2010	cfg_load;	2229	cfg_load;
2011	db_load;	2230	db_load;
2012	load_extensions;	2231	load_extensions;
2013	Event::loop;	2232	Event::loop;
2014	}	2233	}
2015		2234
2016	#############################################################################	2235	#############################################################################
2017	# initialisation	2236	# initialisation and cleanup
		2237
		2238	# install some emergency cleanup handlers
		2239	BEGIN {
		2240	for my $signal (qw(INT HUP TERM)) {
		2241	Event->signal (
		2242	data => WF_AUTOCANCEL,
		2243	signal => $signal,
		2244	cb => sub {
		2245	cf::cleanup "SIG$signal";
		2246	},
		2247	);
		2248	}
		2249	}
		2250
		2251	sub emergency_save() {
		2252	my $freeze_guard = cf::freeze_mainloop;
		2253
		2254	warn "enter emergency perl save\n";
		2255
		2256	cf::sync_job {
		2257	# use a peculiar iteration method to avoid tripping on perl
		2258	# refcount bugs in for. also avoids problems with players
		2259	# and maps saved/Destroyed asynchronously.
		2260	warn "begin emergency player save\n";
		2261	for my $login (keys %cf::PLAYER) {
		2262	my $pl = $cf::PLAYER{$login} or next;
		2263	$pl->valid or next;
		2264	$pl->save;
		2265	}
		2266	warn "end emergency player save\n";
		2267
		2268	warn "begin emergency map save\n";
		2269	for my $path (keys %cf::MAP) {
		2270	my $map = $cf::MAP{$path} or next;
		2271	$map->valid or next;
		2272	$map->save;
		2273	}
		2274	warn "end emergency map save\n";
		2275	};
		2276
		2277	warn "leave emergency perl save\n";
		2278	}
2018		2279
2019	sub reload() {	2280	sub reload() {
2020	# can/must only be called in main	2281	# can/must only be called in main
2021	if ($Coro::current != $Coro::main) {	2282	if ($Coro::current != $Coro::main) {
2022	warn "can only reload from main coroutine\n";	2283	warn "can only reload from main coroutine\n";
2023	return;	2284	return;
2024	}	2285	}
2025		2286
2026	warn "reloading...";	2287	warn "reloading...";
2027		2288
		2289	warn "freezing server";
2028	my $guard = freeze_mainloop;	2290	my $guard = freeze_mainloop;
2029	cf::emergency_save;	2291	cf::emergency_save;
2030		2292
		2293	warn "sync database to disk";
		2294	cf::db_sync;
		2295	IO::AIO::flush;
		2296
2031	eval {	2297	eval {
2032	# if anything goes wrong in here, we should simply crash as we already saved	2298	# if anything goes wrong in here, we should simply crash as we already saved
2033		2299
2034	# cancel all watchers	2300	warn "cancel all watchers";
2035	for (Event::all_watchers) {	2301	for (Event::all_watchers) {
2036	$_->cancel if $_->data & WF_AUTOCANCEL;	2302	$_->cancel if $_->data & WF_AUTOCANCEL;
2037	}	2303	}
2038		2304
2039	# cancel all extension coros	2305	warn "cancel all extension coros";
2040	$_->cancel for values %EXT_CORO;	2306	$_->cancel for values %EXT_CORO;
2041	%EXT_CORO = ();	2307	%EXT_CORO = ();
2042		2308
		2309	warn "remove commands";
		2310	%COMMAND = ();
		2311
		2312	warn "remove ext commands";
		2313	%EXTCMD = ();
		2314
2043	# unload all extensions	2315	warn "unload/nuke all extensions";
2044	for (@exts) {	2316	for my $pkg (@EXTS) {
2045	warn "unloading <$_>";	2317	warn "... unloading $pkg";
2046	unload_extension $_;	2318
		2319	if (my $cb = $pkg->can ("unload")) {
		2320	eval {
		2321	$cb->($pkg);
		2322	1
		2323	} or warn "$pkg unloaded, but with errors: $@";
2047	}	2324	}
2048		2325
		2326	warn "... nuking $pkg";
		2327	Symbol::delete_package $pkg;
		2328	}
		2329
2049	# unload all modules loaded from $LIBDIR	2330	warn "unload all perl modules loaded from $LIBDIR";
2050	while (my ($k, $v) = each %INC) {	2331	while (my ($k, $v) = each %INC) {
2051	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2332	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2052		2333
2053	warn "removing <$k>";	2334	warn "removing <$k>";
2054	delete $INC{$k};	2335	delete $INC{$k};
…		…
2061	}	2342	}
2062		2343
2063	Symbol::delete_package $k;	2344	Symbol::delete_package $k;
2064	}	2345	}
2065		2346
2066	# sync database to disk
2067	cf::db_sync;
2068	IO::AIO::flush;
2069
2070	# get rid of safe::, as good as possible	2347	warn "get rid of safe::, as good as possible";
2071	Symbol::delete_package "safe::$_"	2348	Symbol::delete_package "safe::$_"
2072	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2349	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2073		2350
2074	# remove register_script_function callbacks
2075	# TODO
2076
2077	# unload cf.pm "a bit"	2351	warn "unload cf.pm \"a bit\"";
2078	delete $INC{"cf.pm"};	2352	delete $INC{"cf.pm"};
2079		2353
2080	# don't, removes xs symbols, too,	2354	# don't, removes xs symbols, too,
2081	# and global variables created in xs	2355	# and global variables created in xs
2082	#Symbol::delete_package __PACKAGE__;	2356	#Symbol::delete_package __PACKAGE__;
2083		2357
2084	# reload cf.pm
2085	warn "reloading cf.pm";	2358	warn "reloading cf.pm";
2086	require cf;	2359	require cf;
2087	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2360	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2088		2361
2089	# load config and database again	2362	warn "load config and database again";
2090	cf::cfg_load;	2363	cf::cfg_load;
2091	cf::db_load;	2364	cf::db_load;
2092		2365
2093	# load extensions
2094	warn "load extensions";	2366	warn "load extensions";
2095	cf::load_extensions;	2367	cf::load_extensions;
2096		2368
2097	# reattach attachments to objects	2369	warn "reattach attachments to objects/players";
2098	warn "reattach";
2099	_global_reattach;	2370	_global_reattach;
		2371	warn "reattach attachments to maps";
		2372	reattach $_ for values %MAP;
2100	};	2373	};
2101		2374
2102	if ($@) {	2375	if ($@) {
2103	warn $@;	2376	warn $@;
2104	warn "error while reloading, exiting.";	2377	warn "error while reloading, exiting.";
2105	exit 1;	2378	exit 1;
2106	}	2379	}
2107		2380
2108	warn "reloaded successfully";	2381	warn "reloaded";
2109	};	2382	};
2110
2111	#############################################################################
2112
2113	unless ($LINK_MAP) {
2114	$LINK_MAP = cf::map::new;
2115
2116	$LINK_MAP->width (41);
2117	$LINK_MAP->height (41);
2118	$LINK_MAP->alloc;
2119	$LINK_MAP->path ("{link}");
2120	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2121	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2122
2123	# dirty hack because... archetypes are not yet loaded
2124	Event->timer (
2125	after => 2,
2126	cb => sub {
2127	$_[0]->w->cancel;
2128
2129	# provide some exits "home"
2130	my $exit = cf::object::new "exit";
2131
2132	$exit->slaying ($EMERGENCY_POSITION->[0]);
2133	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2134	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2135
2136	$LINK_MAP->insert ($exit->clone, 19, 19);
2137	$LINK_MAP->insert ($exit->clone, 19, 20);
2138	$LINK_MAP->insert ($exit->clone, 19, 21);
2139	$LINK_MAP->insert ($exit->clone, 20, 19);
2140	$LINK_MAP->insert ($exit->clone, 20, 21);
2141	$LINK_MAP->insert ($exit->clone, 21, 19);
2142	$LINK_MAP->insert ($exit->clone, 21, 20);
2143	$LINK_MAP->insert ($exit->clone, 21, 21);
2144
2145	$exit->destroy;
2146	});
2147
2148	$LINK_MAP->{deny_save} = 1;
2149	$LINK_MAP->{deny_reset} = 1;
2150
2151	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2152	}
2153
2154	register "<global>", __PACKAGE__;
2155		2383
2156	register_command "reload" => sub {	2384	register_command "reload" => sub {
2157	my ($who, $arg) = @_;	2385	my ($who, $arg) = @_;
2158		2386
2159	if ($who->flag (FLAG_WIZ)) {	2387	if ($who->flag (FLAG_WIZ)) {
…		…
2169	reentrant => 0,	2397	reentrant => 0,
2170	prio => 0,	2398	prio => 0,
2171	at => $NEXT_TICK || $TICK,	2399	at => $NEXT_TICK || $TICK,
2172	data => WF_AUTOCANCEL,	2400	data => WF_AUTOCANCEL,
2173	cb => sub {	2401	cb => sub {
		2402	$NOW = Event::time;
		2403
2174	cf::server_tick; # one server iteration	2404	cf::server_tick; # one server iteration
2175	$RUNTIME += $TICK;	2405	$RUNTIME += $TICK;
2176	$NEXT_TICK += $TICK;	2406	$NEXT_TICK += $TICK;
		2407
		2408	$WAIT_FOR_TICK->broadcast;
		2409	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2177		2410
2178	# if we are delayed by four ticks or more, skip them all	2411	# if we are delayed by four ticks or more, skip them all
2179	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2412	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2180		2413
2181	$TICK_WATCHER->at ($NEXT_TICK);	2414	$TICK_WATCHER->at ($NEXT_TICK);

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