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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 1.186 by root, Sat Jan 20 01:12:39 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3 ();	13	use Coro 3.4 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use Data::Dumper;
20	use Digest::MD5;	21	use Digest::MD5;
21	use Fcntl;	22	use Fcntl;
22	use IO::AIO 2.31 ();	23	use IO::AIO 2.32 ();
23	use YAML::Syck ();	24	use YAML::Syck ();
24	use Time::HiRes;	25	use Time::HiRes;
25		26
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	27	use Event; $Event::Eval = 1; # no idea why this is required, but it is
27		28
		29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		30
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	32	$YAML::Syck::ImplicitUnicode = 1;
30		33
31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		35
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	our %COMMAND = ();	36	our %COMMAND = ();
36	our %COMMAND_TIME = ();	37	our %COMMAND_TIME = ();
		38
		39	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	40	our %EXTCMD = ();
		41	our %EXT_CORO = (); # coroutines bound to extensions
		42	our %EXT_MAP = (); # pluggable maps
38		43
39	our @EVENT;	44	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	45	our $LIBDIR = datadir . "/ext";
41		46
42	our $TICK = MAX_TIME * 1e-6;	47	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	48	our $TICK_WATCHER;
		49	our $AIO_POLL_WATCHER;
		50	our $WRITE_RUNTIME_WATCHER;
44	our $NEXT_TICK;	51	our $NEXT_TICK;
45	our $NOW;	52	our $NOW;
46		53
47	our %CFG;	54	our %CFG;
48		55
49	our $UPTIME; $UPTIME ||= time;	56	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	57	our $RUNTIME;
51		58
		59	our %PLAYER; # all users
52	our %MAP; # all maps	60	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	61	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	62	our $RANDOM_MAPS = cf::localdir . "/random";
55	our %EXT_CORO;	63
		64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		66
		67	# used to convert map paths into valid unix filenames by replacing / by ∕
		68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		69
57	binmode STDOUT;	70	binmode STDOUT;
58	binmode STDERR;	71	binmode STDERR;
59		72
60	# read virtual server time, if available	73	# read virtual server time, if available
…		…
68	mkdir cf::localdir . "/" . cf::playerdir;	81	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	82	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	83	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	84	mkdir $RANDOM_MAPS;
72		85
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	86	our $EMERGENCY_POSITION;
76		87
77	#############################################################################	88	#############################################################################
78		89
79	=head2 GLOBAL VARIABLES	90	=head2 GLOBAL VARIABLES
…		…
104		115
105	=item %cf::CFG	116	=item %cf::CFG
106		117
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	118	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	119	from wherever your confdir points to.
		120
		121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		122
		123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		125	processing has been done. Call C<< ->wait >> on them to maximise the
		126	window of cpu time available, or simply to synchronise to the server tick.
109		127
110	=back	128	=back
111		129
112	=cut	130	=cut
113		131
…		…
117	utf8::encode $msg;	135	utf8::encode $msg;
118		136
119	$msg .= "\n"	137	$msg .= "\n"
120	unless $msg =~ /\n$/;	138	unless $msg =~ /\n$/;
121		139
122	LOG llevError, "cfperl: $msg";	140	LOG llevError, $msg;
123	};	141	};
124	}	142	}
125		143
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		163
146	$Event::DIED = sub {	164	$Event::DIED = sub {
147	warn "error in event callback: @_";	165	warn "error in event callback: @_";
148	};	166	};
149		167
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	168	=head2 UTILITY FUNCTIONS
155		169
156	=over 4	170	=over 4
157		171
		172	=item dumpval $ref
		173
158	=cut	174	=cut
		175
		176	sub dumpval {
		177	eval {
		178	local $SIG{__DIE__};
		179	my $d;
		180	if (1) {
		181	$d = new Data::Dumper([$_[0]], ["*var"]);
		182	$d->Terse(1);
		183	$d->Indent(2);
		184	$d->Quotekeys(0);
		185	$d->Useqq(1);
		186	#$d->Bless(...);
		187	$d->Seen($_[1]) if @_ > 1;
		188	$d = $d->Dump();
		189	}
		190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		191	$d
		192	} || "[unable to dump $_[0]: '$@']";
		193	}
159		194
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	195	use JSON::Syck (); # TODO# replace by JSON::PC once working
161		196
162	=item $ref = cf::from_json $json	197	=item $ref = cf::from_json $json
163		198
…		…
224	}	259	}
225		260
226	sub freeze_mainloop {	261	sub freeze_mainloop {
227	return unless $TICK_WATCHER->is_active;	262	return unless $TICK_WATCHER->is_active;
228		263
229	my $guard = Coro::guard { $TICK_WATCHER->start };	264	my $guard = Coro::guard {
		265	$TICK_WATCHER->start;
		266	$WRITE_RUNTIME_WATCHER->start;
		267	};
		268	$WRITE_RUNTIME_WATCHER->stop;
230	$TICK_WATCHER->stop;	269	$TICK_WATCHER->stop;
231	$guard	270	$guard
232	}	271	}
		272
		273	=item cf::async { BLOCK }
		274
		275	Currently the same as Coro::async_pool, meaning you cannot use
		276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		277	thing you are allowed to do is call C<prio> on it.
		278
		279	=cut
		280
		281	BEGIN { *async = \&Coro::async_pool }
233		282
234	=item cf::sync_job { BLOCK }	283	=item cf::sync_job { BLOCK }
235		284
236	The design of crossfire+ requires that the main coro ($Coro::main) is	285	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	286	always able to handle events or runnable, as crossfire+ is only partly
…		…
256	my $freeze_guard = freeze_mainloop;	305	my $freeze_guard = freeze_mainloop;
257		306
258	my $busy = 1;	307	my $busy = 1;
259	my @res;	308	my @res;
260		309
261	(Coro::async_pool {	310	(async {
262	@res = eval { $job->() };	311	@res = eval { $job->() };
263	warn $@ if $@;	312	warn $@ if $@;
264	undef $busy;	313	undef $busy;
265	})->prio (Coro::PRIO_MAX);	314	})->prio (Coro::PRIO_MAX);
266		315
267	while ($busy) {	316	while ($busy) {
268	unless (Coro::cede) {	317	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	}	318	}
273		319
274	wantarray ? @res : $res[0]	320	wantarray ? @res : $res[0]
275	} else {	321	} else {
276	# we are in another coroutine, how wonderful, everything just works	322	# we are in another coroutine, how wonderful, everything just works
277		323
278	$job->()	324	$job->()
279	}	325	}
280	}	326	}
281		327
282	=item $coro = cf::coro { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
283		329
284	Creates (and readies) and returns a new coro. This coro is automcatially	330	Like async, but this coro is automatically being canceled when the
285	being canceled when the extension calling this is being unloaded.	331	extension calling this is being unloaded.
286		332
287	=cut	333	=cut
288		334
289	sub coro(&) {	335	sub async_ext(&) {
290	my $cb = shift;	336	my $cb = shift;
291		337
292	my $coro = &Coro::async_pool ($cb);	338	my $coro = &Coro::async ($cb);
293		339
294	$coro->on_destroy (sub {	340	$coro->on_destroy (sub {
295	delete $EXT_CORO{$coro+0};	341	delete $EXT_CORO{$coro+0};
296	});	342	});
297	$EXT_CORO{$coro+0} = $coro;	343	$EXT_CORO{$coro+0} = $coro;
…		…
303	my $runtime = cf::localdir . "/runtime";	349	my $runtime = cf::localdir . "/runtime";
304		350
305	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
306	or return;	352	or return;
307		353
		354	my $value = $cf::RUNTIME + 90 + 10;
308	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
309	(aio_write $fh, 0, (length $value), $value, 0) <= 0	358	(aio_write $fh, 0, (length $value), $value, 0) <= 0
310	and return;	359	and return;
311		360
312	aio_fsync $fh	361	aio_fsync $fh
313	and return;	362	and return;
…		…
322	}	371	}
323		372
324	=back	373	=back
325		374
326	=cut	375	=cut
327
328	#############################################################################
329
330	package cf::path;
331
332	sub new {
333	my ($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		376
448	#############################################################################	377	#############################################################################
449		378
450	=head2 ATTACHABLE OBJECTS	379	=head2 ATTACHABLE OBJECTS
451		380
…		…
577	our @CB_TYPE = (); # registry for type (cf-object class) based events	506	our @CB_TYPE = (); # registry for type (cf-object class) based events
578	our @CB_MAP = ();	507	our @CB_MAP = ();
579		508
580	my %attachment;	509	my %attachment;
581		510
		511	sub cf::attachable::thawer_merge {
		512	# simply override everything except _meta
		513	local $_[0]{_meta};
		514	%{$_[0]} = %{$_[1]};
		515	}
		516
582	sub _attach_cb($$$$) {	517	sub _attach_cb($$$$) {
583	my ($registry, $event, $prio, $cb) = @_;	518	my ($registry, $event, $prio, $cb) = @_;
584		519
585	use sort 'stable';	520	use sort 'stable';
586		521
…		…
757	# object support	692	# object support
758		693
759	sub reattach {	694	sub reattach {
760	# basically do the same as instantiate, without calling instantiate	695	# basically do the same as instantiate, without calling instantiate
761	my ($obj) = @_;	696	my ($obj) = @_;
		697
		698	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
762		699
763	my $registry = $obj->registry;	700	my $registry = $obj->registry;
764		701
765	@$registry = ();	702	@$registry = ();
766		703
…		…
898	=cut	835	=cut
899		836
900	sub register_extcmd {	837	sub register_extcmd {
901	my ($name, $cb) = @_;	838	my ($name, $cb) = @_;
902		839
903	my $caller = caller;
904	#warn "registering extcmd '$name' to '$caller'";
905
906	$EXTCMD{$name} = [$cb, $caller];	840	$EXTCMD{$name} = $cb;
907	}	841	}
908		842
909	cf::player->attach (	843	cf::player->attach (
910	on_command => sub {	844	on_command => sub {
911	my ($pl, $name, $params) = @_;	845	my ($pl, $name, $params) = @_;
…		…
924		858
925	my $msg = eval { from_json $buf };	859	my $msg = eval { from_json $buf };
926		860
927	if (ref $msg) {	861	if (ref $msg) {
928	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
929	if (my %reply = $cb->[0]->($pl, $msg)) {	863	if (my %reply = $cb->($pl, $msg)) {
930	$pl->ext_reply ($msg->{msgid}, %reply);	864	$pl->ext_reply ($msg->{msgid}, %reply);
931	}	865	}
932	}	866	}
933	} else {	867	} else {
934	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
936		870
937	cf::override;	871	cf::override;
938	},	872	},
939	);	873	);
940		874
941	sub register {
942	my ($base, $pkg) = @_;
943
944	#TODO
945	}
946
947	sub load_extension {	875	sub load_extension {
948	my ($path) = @_;	876	my ($path) = @_;
949		877
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
951	my $base = $1;	879	my $base = $1;
952	my $pkg = $1;	880	my $pkg = $1;
953	$pkg =~ s/[^[:word:]]/_/g;	881	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";	882	$pkg = "ext::$pkg";
955		883
956	warn "loading '$path' into '$pkg'\n";	884	warn "... loading '$path' into '$pkg'\n";
957		885
958	open my $fh, "<:utf8", $path	886	open my $fh, "<:utf8", $path
959	or die "$path: $!";	887	or die "$path: $!";
960		888
961	my $source =	889	my $source =
962	"package $pkg; use strict; use utf8;\n"	890	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"	891	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })	892	. (do { local $/; <$fh> })
965	. "\n};\n1";	893	. "\n};\n1";
966		894
967	eval $source	895	unless (eval $source) {
968	or die $@ ? "$path: $@\n"	896	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";	897	: "extension disabled.\n";
970		898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	push @exts, $pkg;	899	warn $@;
972	$ext_pkg{$base} = $pkg;	900	warn "mandatory extension failed to load, exiting.\n";
973		901	exit 1;
974	# no strict 'refs';	902	}
975	# @{"$pkg\::ISA"} = ext::;	903	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	# }	904	}
990		905
991	# remove commands	906	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	}	907	}
1016		908
1017	sub load_extensions {	909	sub load_extensions {
1018	for my $ext (<$LIBDIR/*.ext>) {	910	for my $ext (<$LIBDIR/*.ext>) {
1019	next unless -r $ext;	911	next unless -r $ext;
…		…
1023	} or warn "$ext not loaded: $@";	915	} or warn "$ext not loaded: $@";
1024	}	916	}
1025	}	917	}
1026		918
1027	#############################################################################	919	#############################################################################
1028	# load/save/clean perl data associated with a map
1029
1030	*cf::mapsupport::on_clean = sub {
1031	my ($map) = @_;
1032
1033	my $path = $map->tmpname;
1034	defined $path or return;
1035
1036	unlink "$path.pst";
1037	};
1038
1039	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1040
1041	#############################################################################
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		920
1065	=head2 CORE EXTENSIONS	921	=head2 CORE EXTENSIONS
1066		922
1067	Functions and methods that extend core crossfire objects.	923	Functions and methods that extend core crossfire objects.
1068		924
		925	=cut
		926
		927	package cf::player;
		928
		929	use Coro::AIO;
		930
1069	=head3 cf::player	931	=head3 cf::player
1070		932
1071	=over 4	933	=over 4
1072		934
1073	=item cf::player::exists $login	935	=item cf::player::find $login
1074		936
1075	Returns true when the given account exists.	937	Returns the given player object, loading it if necessary (might block).
1076		938
1077	=cut	939	=cut
1078		940
1079	sub cf::player::exists($) {	941	sub playerdir($) {
1080	cf::player::find $_[0]	942	cf::localdir
1081	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
1082	}	1088	}
1083		1089
1084	=item $player->ext_reply ($msgid, $msgtype, %msg)	1090	=item $player->ext_reply ($msgid, $msgtype, %msg)
1085		1091
1086	Sends an ext reply to the player.	1092	Sends an ext reply to the player.
1087		1093
1088	=cut	1094	=cut
1089		1095
1090	sub cf::player::ext_reply($$$%) {	1096	sub ext_reply($$$%) {
1091	my ($self, $id, %msg) = @_;	1097	my ($self, $id, %msg) = @_;
1092		1098
1093	$msg{msgid} = $id;	1099	$msg{msgid} = $id;
1094		1100
1095	$self->send ("ext " . to_json \%msg);	1101	$self->send ("ext " . cf::to_json \%msg);
1096	}	1102	}
		1103
		1104	package cf;
1097		1105
1098	=back	1106	=back
1099		1107
1100		1108
1101	=head3 cf::map	1109	=head3 cf::map
…		…
1107	package cf::map;	1115	package cf::map;
1108		1116
1109	use Fcntl;	1117	use Fcntl;
1110	use Coro::AIO;	1118	use Coro::AIO;
1111		1119
		1120	use overload
		1121	'""' => \&as_string,
		1122	fallback => 1;
		1123
1112	our $MAX_RESET = 3600;	1124	our $MAX_RESET = 3600;
1113	our $DEFAULT_RESET = 3000;	1125	our $DEFAULT_RESET = 3000;
1114		1126
1115	sub generate_random_map {	1127	sub generate_random_map {
1116	my ($path, $rmp) = @_;	1128	my ($self, $rmp) = @_;
1117
1118	# mit "rum" bekleckern, nicht	1129	# mit "rum" bekleckern, nicht
1119	cf::map::_create_random_map	1130	$self->_create_random_map (
1120	$path,
1121	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1122	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1123	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1124	$rmp->{exit_on_final_map},	1134	$rmp->{exit_on_final_map},
1125	$rmp->{xsize}, $rmp->{ysize},	1135	$rmp->{xsize}, $rmp->{ysize},
1126	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1127	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1128	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1129	$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},
1130	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1131	(cf::region::find $rmp->{region})	1141	(cf::region::find $rmp->{region}), $rmp->{custom}
		1142	)
		1143	}
		1144
		1145	sub register {
		1146	my (undef, $regex) = @_;
		1147	my $pkg = caller;
		1148
		1149	no strict;
		1150	push @{"$pkg\::ISA"}, __PACKAGE__;
		1151
		1152	$EXT_MAP{$pkg} = qr<$regex>;
		1153	}
		1154
		1155	# also paths starting with '/'
		1156	$EXT_MAP{"cf::map"} = qr{^(?=/)};
		1157
		1158	sub thawer_merge {
		1159	my ($self, $merge) = @_;
		1160
		1161	# we have to keep some variables in memory intact
		1162	local $self->{path};
		1163	local $self->{load_path};
		1164	local $self->{deny_save};
		1165	local $self->{deny_reset};
		1166
		1167	$self->SUPER::thawer_merge ($merge);
		1168	}
		1169
		1170	sub normalise {
		1171	my ($path, $base) = @_;
		1172
		1173	# map plan:
		1174	#
		1175	# /! non-realised random map exit (special hack!)
		1176	# {... are special paths that are not being touched
		1177	# ?xxx/... are special absolute paths
		1178	# ?random/... random maps
		1179	# /... normal maps
		1180	# ~user/... per-player map of a specific user
		1181
		1182	$path =~ s/$PATH_SEP/\//go;
		1183
		1184	# treat it as relative path if it starts with
		1185	# something that looks reasonable
		1186	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1187	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1188
		1189	$base =~ s{[^/]+/?$}{};
		1190	$path = "$base/$path";
		1191	}
		1192
		1193	for ($path) {
		1194	redo if s{//}{/};
		1195	redo if s{/\.?/}{/};
		1196	redo if s{/[^/]+/\.\./}{/};
		1197	}
		1198
		1199	$path
		1200	}
		1201
		1202	sub new_from_path {
		1203	my (undef, $path, $base) = @_;
		1204
		1205	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1206
		1207	$path = normalise $path, $base;
		1208
		1209	for my $pkg (keys %EXT_MAP) {
		1210	if ($path =~ $EXT_MAP{$pkg}) {
		1211	my $self = bless cf::map::new, $pkg;
		1212	$self->{path} = $path; $self->path ($path);
		1213	$self->init; # pass $1 etc.
		1214	return $self;
		1215	}
		1216	}
		1217
		1218	Carp::carp "unable to resolve path '$path'.";
		1219	()
		1220	}
		1221
		1222	sub init {
		1223	my ($self) = @_;
		1224
		1225	$self
		1226	}
		1227
		1228	sub as_string {
		1229	my ($self) = @_;
		1230
		1231	"$self->{path}"
		1232	}
		1233
		1234	# the displayed name, this is a one way mapping
		1235	sub visible_name {
		1236	&as_string
		1237	}
		1238
		1239	# the original (read-only) location
		1240	sub load_path {
		1241	my ($self) = @_;
		1242
		1243	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		1244	}
		1245
		1246	# the temporary/swap location
		1247	sub save_path {
		1248	my ($self) = @_;
		1249
		1250	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1251	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
		1252	}
		1253
		1254	# the unique path, undef == no special unique path
		1255	sub uniq_path {
		1256	my ($self) = @_;
		1257
		1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1259	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1132	}	1260	}
1133		1261
1134	# and all this just because we cannot iterate over	1262	# and all this just because we cannot iterate over
1135	# all maps in C++...	1263	# all maps in C++...
1136	sub change_all_map_light {	1264	sub change_all_map_light {
…		…
1138		1266
1139	$_->change_map_light ($change)	1267	$_->change_map_light ($change)
1140	for grep $_->outdoor, values %cf::MAP;	1268	for grep $_->outdoor, values %cf::MAP;
1141	}	1269	}
1142		1270
		1271	sub unlink_save {
		1272	my ($self) = @_;
		1273
		1274	utf8::encode (my $save = $self->save_path);
		1275	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1276	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1277	}
		1278
1143	sub try_load_header($) {	1279	sub load_header_from($) {
1144	my ($path) = @_;	1280	my ($self, $path) = @_;
1145		1281
1146	utf8::encode $path;	1282	utf8::encode $path;
1147	aio_open $path, O_RDONLY, 0	1283	aio_open $path, O_RDONLY, 0
1148	or return;	1284	or return;
1149		1285
1150	my $map = cf::map::new	1286	$self->_load_header ($path)
1151	or return;	1287	or return;
1152		1288
1153	# for better error messages only, will be overwritten	1289	$self->{load_path} = $path;
1154	$map->path ($path);
1155		1290
1156	$map->load_header ($path)	1291	1
		1292	}
		1293
		1294	sub load_orig {
		1295	my ($self) = @_;
		1296
		1297	$self->load_header_from ($self->load_path)
		1298	}
		1299
		1300	sub load_temp {
		1301	my ($self) = @_;
		1302
		1303	$self->load_header_from ($self->save_path)
		1304	}
		1305
		1306	sub load_header {
		1307	my ($self) = @_;
		1308
		1309	if ($self->load_temp) {
		1310	$self->last_access ((delete $self->{last_access})
		1311	|| $cf::RUNTIME); #d#
		1312	# safety
		1313	$self->{instantiate_time} = $cf::RUNTIME
		1314	if $self->{instantiate_time} > $cf::RUNTIME;
		1315	} else {
		1316	$self->load_orig
1157	or return;	1317	or return;
1158		1318
1159	$map->{load_path} = $path;	1319	$self->{load_original} = 1;
		1320	$self->{instantiate_time} = $cf::RUNTIME;
		1321	$self->last_access ($cf::RUNTIME);
		1322	$self->instantiate;
		1323	}
1160		1324
1161	$map	1325	1
1162	}	1326	}
1163		1327
1164	sub find;	1328	sub find;
1165	sub find {	1329	sub find {
1166	my ($path, $origin) = @_;	1330	my ($path, $origin) = @_;
1167		1331
1168	#warn "find<$path,$origin>\n";#d#
1169
1170	$path = new cf::path $path, $origin && $origin->path;	1332	$path = normalise $path, $origin && $origin->path;
1171	my $key = $path->as_string;
1172		1333
1173	cf::lock_wait "map_find:$key";	1334	cf::lock_wait "map_find:$path";
1174		1335
1175	$cf::MAP{$key} || do {	1336	$cf::MAP{$path} || do {
1176	my $guard = cf::lock_acquire "map_find:$key";	1337	my $guard = cf::lock_acquire "map_find:$path";
1177		1338	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;	1339	or return;
1197		1340
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;	1341	$map->{last_save} = $cf::RUNTIME;
1210		1342
1211	Coro::cede;	1343	$map->load_header
		1344	or return;
1212		1345
1213	if ($map->should_reset) {	1346	if ($map->should_reset) {
		1347	# doing this can freeze the server in a sync job, obviously
		1348	#$cf::WAIT_FOR_TICK->wait;
1214	$map->reset;	1349	$map->reset;
1215	undef $guard;	1350	undef $guard;
1216	$map = find $path	1351	$map = find $path
1217	or return;	1352	or return;
1218	}	1353	}
1219		1354
1220	$cf::MAP{$key} = $map	1355	$cf::MAP{$path} = $map
1221	}	1356	}
1222	}	1357	}
1223		1358
1224	sub load {	1359	sub load {
1225	my ($self) = @_;	1360	my ($self) = @_;
1226		1361
1227	my $path = $self->{path};	1362	my $path = $self->{path};
1228	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1363	my $guard = cf::lock_acquire "map_load:$path";
1229		1364
1230	return if $self->in_memory != cf::MAP_SWAPPED;	1365	return if $self->in_memory != cf::MAP_SWAPPED;
1231		1366
1232	$self->in_memory (cf::MAP_LOADING);	1367	$self->in_memory (cf::MAP_LOADING);
1233		1368
1234	$self->alloc;	1369	$self->alloc;
1235	$self->load_objects ($self->{load_path}, 1)	1370	$self->_load_objects ($self->{load_path}, 1)
1236	or return;	1371	or return;
1237		1372
1238	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1373	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1239	if delete $self->{load_original};	1374	if delete $self->{load_original};
1240		1375
1241	if (my $uniq = $path->uniq_path) {	1376	if (my $uniq = $self->uniq_path) {
1242	utf8::encode $uniq;	1377	utf8::encode $uniq;
1243	if (aio_open $uniq, O_RDONLY, 0) {	1378	if (aio_open $uniq, O_RDONLY, 0) {
1244	$self->clear_unique_items;	1379	$self->clear_unique_items;
1245	$self->load_objects ($uniq, 0);	1380	$self->_load_objects ($uniq, 0);
1246	}	1381	}
1247	}	1382	}
1248		1383
1249	Coro::cede;	1384	Coro::cede;
1250		1385
1251	# now do the right thing for maps	1386	# now do the right thing for maps
1252	$self->link_multipart_objects;	1387	$self->link_multipart_objects;
1253		1388
1254	if ($self->{path}->is_style_map) {	1389	unless ($self->{deny_activate}) {
1255	$self->{deny_save} = 1;	1390	$self->decay_objects;
1256	$self->{deny_reset} = 1;
1257	} else {
1258	$self->fix_auto_apply;	1391	$self->fix_auto_apply;
1259	$self->decay_objects;
1260	$self->update_buttons;	1392	$self->update_buttons;
		1393	Coro::cede;
1261	$self->set_darkness_map;	1394	$self->set_darkness_map;
1262	$self->difficulty ($self->estimate_difficulty)	1395	$self->difficulty ($self->estimate_difficulty)
1263	unless $self->difficulty;	1396	unless $self->difficulty;
		1397	Coro::cede;
1264	$self->activate;	1398	$self->activate;
1265	}	1399	}
1266		1400
1267	Coro::cede;
1268
1269	$self->in_memory (cf::MAP_IN_MEMORY);	1401	$self->in_memory (cf::MAP_IN_MEMORY);
		1402	}
		1403
		1404	sub customise_for {
		1405	my ($self, $ob) = @_;
		1406
		1407	return find "~" . $ob->name . "/" . $self->{path}
		1408	if $self->per_player;
		1409
		1410	$self
		1411	}
		1412
		1413	# find and load all maps in the 3x3 area around a map
		1414	sub load_diag {
		1415	my ($map) = @_;
		1416
		1417	my @diag; # diagonal neighbours
		1418
		1419	for (0 .. 3) {
		1420	my $neigh = $map->tile_path ($_)
		1421	or next;
		1422	$neigh = find $neigh, $map
		1423	or next;
		1424	$neigh->load;
		1425
		1426	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1427	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1428	}
		1429
		1430	for (@diag) {
		1431	my $neigh = find @$_
		1432	or next;
		1433	$neigh->load;
		1434	}
1270	}	1435	}
1271		1436
1272	sub find_sync {	1437	sub find_sync {
1273	my ($path, $origin) = @_;	1438	my ($path, $origin) = @_;
1274		1439
1275	cf::sync_job {	1440	cf::sync_job { find $path, $origin }
1276	my $map = cf::map::find $path, $origin;
1277	$map
1278	}
1279	}	1441	}
1280		1442
1281	sub do_load_sync {	1443	sub do_load_sync {
1282	my ($map) = @_;	1444	my ($map) = @_;
1283		1445
1284	cf::sync_job { $map->load };	1446	cf::sync_job { $map->load };
1285	}	1447	}
1286		1448
		1449	our %MAP_PREFETCH;
		1450	our $MAP_PREFETCHER = undef;
		1451
		1452	sub find_async {
		1453	my ($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	undef $MAP_PREFETCH{$path};
		1462	$MAP_PREFETCHER ||= cf::async {
		1463	while (%MAP_PREFETCH) {
		1464	for my $path (keys %MAP_PREFETCH) {
		1465	my $map = find $path
		1466	or next;
		1467	$map->load;
		1468
		1469	delete $MAP_PREFETCH{$path};
		1470	}
		1471	}
		1472	undef $MAP_PREFETCHER;
		1473	};
		1474
		1475	()
		1476	}
		1477
1287	sub save {	1478	sub save {
1288	my ($self) = @_;	1479	my ($self) = @_;
1289		1480
1290	my $lock = cf::lock_acquire "map_data:" . $self->path;	1481	my $lock = cf::lock_acquire "map_data:" . $self->path;
1291		1482
1292	$self->{last_save} = $cf::RUNTIME;	1483	$self->{last_save} = $cf::RUNTIME;
1293		1484
1294	return unless $self->dirty;	1485	return unless $self->dirty;
1295		1486
1296	my $save = $self->{path}->save_path; utf8::encode $save;	1487	my $save = $self->save_path; utf8::encode $save;
1297	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1488	my $uniq = $self->uniq_path; utf8::encode $uniq;
1298		1489
1299	$self->{load_path} = $save;	1490	$self->{load_path} = $save;
1300		1491
1301	return if $self->{deny_save};	1492	return if $self->{deny_save};
1302		1493
1303	local $self->{last_access} = $self->last_access;#d#	1494	local $self->{last_access} = $self->last_access;#d#
1304		1495
		1496	cf::async {
		1497	$_->contr->save for $self->players;
		1498	};
		1499
1305	if ($uniq) {	1500	if ($uniq) {
1306	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1501	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1307	$self->save_objects ($uniq, cf::IO_UNIQUES);	1502	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1308	} else {	1503	} else {
1309	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1504	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1310	}	1505	}
1311	}	1506	}
1312		1507
1313	sub swap_out {	1508	sub swap_out {
1314	my ($self) = @_;	1509	my ($self) = @_;
…		…
1328		1523
1329	sub reset_at {	1524	sub reset_at {
1330	my ($self) = @_;	1525	my ($self) = @_;
1331		1526
1332	# TODO: safety, remove and allow resettable per-player maps	1527	# TODO: safety, remove and allow resettable per-player maps
1333	return 1e99 if $self->{path}{user_rel};	1528	return 1e99 if $self->isa ("ext::map_per_player");#d#
1334	return 1e99 if $self->{deny_reset};	1529	return 1e99 if $self->{deny_reset};
1335		1530
1336	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1531	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1337	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1532	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1338		1533
…		…
1343	my ($self) = @_;	1538	my ($self) = @_;
1344		1539
1345	$self->reset_at <= $cf::RUNTIME	1540	$self->reset_at <= $cf::RUNTIME
1346	}	1541	}
1347		1542
1348	sub unlink_save {
1349	my ($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 {
1357	my ($self, $new_path) = @_;
1358
1359	$self->unlink_save;
1360
1361	delete $cf::MAP{$self->path};
1362	$self->{path} = new cf::path $new_path;
1363	$self->path ($self->{path}->as_string);
1364	$cf::MAP{$self->path} = $self;
1365
1366	$self->save;
1367	}
1368
1369	sub reset {	1543	sub reset {
1370	my ($self) = @_;	1544	my ($self) = @_;
1371		1545
1372	my $lock = cf::lock_acquire "map_data:" . $self->path;	1546	my $lock = cf::lock_acquire "map_data:$self->{path}";
1373		1547
1374	return if $self->players;	1548	return if $self->players;
1375	return if $self->{path}{user_rel};#d#	1549	return if $self->isa ("ext::map_per_player");#d#
1376		1550
1377	warn "resetting map ", $self->path;#d#	1551	warn "resetting map ", $self->path;#d#
1378		1552
1379	delete $cf::MAP{$self->path};	1553	delete $cf::MAP{$self->path};
		1554
		1555	$self->in_memory (cf::MAP_SWAPPED);
		1556	$self->clear;
1380		1557
1381	$_->clear_links_to ($self) for values %cf::MAP;	1558	$_->clear_links_to ($self) for values %cf::MAP;
1382		1559
1383	$self->unlink_save;	1560	$self->unlink_save;
1384	$self->destroy;	1561	$self->destroy;
…		…
1387	my $nuke_counter = "aaaa";	1564	my $nuke_counter = "aaaa";
1388		1565
1389	sub nuke {	1566	sub nuke {
1390	my ($self) = @_;	1567	my ($self) = @_;
1391		1568
		1569	delete $cf::MAP{$self->path};
		1570
		1571	$self->unlink_save;
		1572
		1573	bless $self, "cf::map";
		1574	delete $self->{deny_reset};
1392	$self->{deny_save} = 1;	1575	$self->{deny_save} = 1;
1393	$self->reset_timeout (1);	1576	$self->reset_timeout (1);
1394	$self->rename ("{nuke}/" . ($nuke_counter++));	1577	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1578
		1579	$cf::MAP{$self->path} = $self;
		1580
1395	$self->reset; # polite request, might not happen	1581	$self->reset; # polite request, might not happen
1396	}	1582	}
1397		1583
1398	sub customise_for {	1584	=item cf::map::unique_maps
1399	my ($map, $ob) = @_;
1400		1585
1401	if ($map->per_player) {	1586	Returns an arrayref of paths of all shared maps that have
1402	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1587	instantiated unique items. May block.
1403	}
1404		1588
1405	$map	1589	=cut
1406	}
1407		1590
1408	sub emergency_save {	1591	sub unique_maps() {
1409	my $freeze_guard = cf::freeze_mainloop;	1592	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1593	or return;
1410		1594
1411	warn "enter emergency map save\n";	1595	my @paths;
1412		1596
1413	cf::sync_job {	1597	for (@$files) {
1414	warn "begin emergency map save\n";	1598	utf8::decode $_;
1415	$_->save for values %cf::MAP;	1599	next if /\.pst$/;
		1600	next unless /^$PATH_SEP/o;
		1601
		1602	s/\.map$//;
		1603	push @paths, $_;
1416	};	1604	}
1417		1605
1418	warn "end emergency map save\n";	1606	\@paths
1419	}	1607	}
1420		1608
1421	package cf;	1609	package cf;
1422		1610
1423	=back	1611	=back
1424		1612
		1613	=head3 cf::object
		1614
		1615	=cut
		1616
		1617	package cf::object;
		1618
		1619	=over 4
		1620
		1621	=item $ob->inv_recursive
		1622
		1623	Returns the inventory of the object _and_ their inventories, recursively.
		1624
		1625	=cut
		1626
		1627	sub inv_recursive_;
		1628	sub inv_recursive_ {
		1629	map { $_, inv_recursive_ $_->inv } @_
		1630	}
		1631
		1632	sub inv_recursive {
		1633	inv_recursive_ inv $_[0]
		1634	}
		1635
		1636	package cf;
		1637
		1638	=back
1425		1639
1426	=head3 cf::object::player	1640	=head3 cf::object::player
1427		1641
1428	=over 4	1642	=over 4
1429		1643
…		…
1469		1683
1470	=item $player_object->enter_link	1684	=item $player_object->enter_link
1471		1685
1472	Freezes the player and moves him/her to a special map (C<{link}>).	1686	Freezes the player and moves him/her to a special map (C<{link}>).
1473		1687
1474	The player should be reaosnably safe there for short amounts of time. You	1688	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.	1689	I<MUST> call C<leave_link> as soon as possible, though.
1476		1690
		1691	Will never block.
		1692
1477	=item $player_object->leave_link ($map, $x, $y)	1693	=item $player_object->leave_link ($map, $x, $y)
1478		1694
1479	Moves the player out of the specila link map onto the given map. If the	1695	Moves the player out of the special C<{link}> map onto the specified
1480	map is not valid (or omitted), the player will be moved back to the	1696	map. If the map is not valid (or omitted), the player will be moved back
1481	location he/she was before the call to C<enter_link>, or, if that fails,	1697	to the location he/she was before the call to C<enter_link>, or, if that
1482	to the emergency map position.	1698	fails, to the emergency map position.
1483		1699
1484	Might block.	1700	Might block.
1485		1701
1486	=cut	1702	=cut
		1703
		1704	sub link_map {
		1705	unless ($LINK_MAP) {
		1706	$LINK_MAP = cf::map::find "{link}"
		1707	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
		1708	$LINK_MAP->load;
		1709	}
		1710
		1711	$LINK_MAP
		1712	}
1487		1713
1488	sub cf::object::player::enter_link {	1714	sub cf::object::player::enter_link {
1489	my ($self) = @_;	1715	my ($self) = @_;
1490		1716
1491	$self->deactivate_recursive;	1717	$self->deactivate_recursive;
1492		1718
1493	return if $self->map == $LINK_MAP;	1719	return if UNIVERSAL::isa $self->map, "ext::map_link";
1494		1720
1495	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1721	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1496	if $self->map;	1722	if $self->map;
1497		1723
1498	$self->enter_map ($LINK_MAP, 20, 20);	1724	$self->enter_map ($LINK_MAP || link_map, 20, 20);
1499	}	1725	}
1500		1726
1501	sub cf::object::player::leave_link {	1727	sub cf::object::player::leave_link {
1502	my ($self, $map, $x, $y) = @_;	1728	my ($self, $map, $x, $y) = @_;
1503		1729
…		…
1521	# use -1 or undef as default coordinates, not 0, 0	1747	# use -1 or undef as default coordinates, not 0, 0
1522	($x, $y) = ($map->enter_x, $map->enter_y)	1748	($x, $y) = ($map->enter_x, $map->enter_y)
1523	if $x <=0 && $y <= 0;	1749	if $x <=0 && $y <= 0;
1524		1750
1525	$map->load;	1751	$map->load;
		1752	$map->load_diag;
1526		1753
		1754	return unless $self->contr->active;
1527	$self->activate_recursive;	1755	$self->activate_recursive;
1528	$self->enter_map ($map, $x, $y);	1756	$self->enter_map ($map, $x, $y);
1529	}	1757	}
1530		1758
1531	cf::player->attach (	1759	cf::player->attach (
…		…
1543	my ($pl) = @_;	1771	my ($pl) = @_;
1544		1772
1545	# try to abort aborted map switching on player login :)	1773	# try to abort aborted map switching on player login :)
1546	# should happen only on crashes	1774	# should happen only on crashes
1547	if ($pl->ob->{_link_pos}) {	1775	if ($pl->ob->{_link_pos}) {
1548
1549	$pl->ob->enter_link;	1776	$pl->ob->enter_link;
1550	(Coro::async_pool {	1777	(async {
1551	# we need this sleep as the login has a concurrent enter_exit running	1778	# 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	1779	# and this sleep increases chances of the player not ending up in scorn
		1780	$pl->ob->reply (undef,
		1781	"There was an internal problem at your last logout, "
		1782	. "the server will try to bring you to your intended destination in a second.",
		1783	cf::NDI_RED);
1553	Coro::Timer::sleep 1;	1784	Coro::Timer::sleep 1;
1554	$pl->ob->leave_link;	1785	$pl->ob->leave_link;
1555	})->prio (2);	1786	})->prio (2);
1556	}	1787	}
1557	},	1788	},
…		…
1564	sub cf::object::player::goto {	1795	sub cf::object::player::goto {
1565	my ($self, $path, $x, $y) = @_;	1796	my ($self, $path, $x, $y) = @_;
1566		1797
1567	$self->enter_link;	1798	$self->enter_link;
1568		1799
1569	(Coro::async_pool {	1800	(async {
1570	$path = new cf::path $path;
1571
1572	my $map = cf::map::find $path->as_string;	1801	my $map = cf::map::find $path;
1573	$map = $map->customise_for ($self) if $map;	1802	$map = $map->customise_for ($self) if $map;
1574		1803
1575	# warn "entering ", $map->path, " at ($x, $y)\n"	1804	# warn "entering ", $map->path, " at ($x, $y)\n"
1576	# if $map;	1805	# if $map;
1577		1806
1578	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1807	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1579		1808
1580	$self->leave_link ($map, $x, $y);	1809	$self->leave_link ($map, $x, $y);
1581	})->prio (1);	1810	})->prio (1);
1582	}	1811	}
1583		1812
…		…
1587		1816
1588	sub parse_random_map_params {	1817	sub parse_random_map_params {
1589	my ($spec) = @_;	1818	my ($spec) = @_;
1590		1819
1591	my $rmp = { # defaults	1820	my $rmp = { # defaults
1592	xsize => 10,	1821	xsize => (cf::rndm 15, 40),
1593	ysize => 10,	1822	ysize => (cf::rndm 15, 40),
		1823	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1824	#layout => string,
1594	};	1825	};
1595		1826
1596	for (split /\n/, $spec) {	1827	for (split /\n/, $spec) {
1597	my ($k, $v) = split /\s+/, $_, 2;	1828	my ($k, $v) = split /\s+/, $_, 2;
1598		1829
…		…
1602	$rmp	1833	$rmp
1603	}	1834	}
1604		1835
1605	sub prepare_random_map {	1836	sub prepare_random_map {
1606	my ($exit) = @_;	1837	my ($exit) = @_;
		1838
		1839	my $guard = cf::lock_acquire "exit_prepare:$exit";
1607		1840
1608	# all this does is basically replace the /! path by	1841	# all this does is basically replace the /! path by
1609	# a new random map path (?random/...) with a seed	1842	# a new random map path (?random/...) with a seed
1610	# that depends on the exit object	1843	# that depends on the exit object
1611		1844
…		…
1620		1853
1621	$rmp->{random_seed} ||= $exit->random_seed;	1854	$rmp->{random_seed} ||= $exit->random_seed;
1622		1855
1623	my $data = cf::to_json $rmp;	1856	my $data = cf::to_json $rmp;
1624	my $md5 = Digest::MD5::md5_hex $data;	1857	my $md5 = Digest::MD5::md5_hex $data;
		1858	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1625		1859
1626	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1860	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1627	aio_write $fh, 0, (length $data), $data, 0;	1861	aio_write $fh, 0, (length $data), $data, 0;
		1862	undef $fh;
		1863	aio_rename "$meta~", $meta;
1628		1864
1629	$exit->slaying ("?random/$md5");	1865	$exit->slaying ("?random/$md5");
1630	$exit->msg (undef);	1866	$exit->msg (undef);
1631	}	1867	}
1632	}	1868	}
…		…
1636		1872
1637	return unless $self->type == cf::PLAYER;	1873	return unless $self->type == cf::PLAYER;
1638		1874
1639	$self->enter_link;	1875	$self->enter_link;
1640		1876
1641	(Coro::async_pool {	1877	(async {
1642	$self->deactivate_recursive; # just to be sure	1878	$self->deactivate_recursive; # just to be sure
1643	unless (eval {	1879	unless (eval {
1644	prepare_random_map $exit	1880	prepare_random_map $exit
1645	if $exit->slaying eq "/!";	1881	if $exit->slaying eq "/!";
1646		1882
1647	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1883	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1648	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	1884	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1649		1885
1650	1;	1886	1;
1651	}) {	1887	}) {
1652	$self->message ("Something went wrong deep within the crossfire server. "	1888	$self->message ("Something went wrong deep within the crossfire server. "
1653	. "I'll try to bring you back to the map you were before. "	1889	. "I'll try to bring you back to the map you were before. "
1654	. "Please report this to the dungeon master",	1890	. "Please report this to the dungeon master!",
1655	cf::NDI_UNIQUE | cf::NDI_RED);	1891	cf::NDI_UNIQUE | cf::NDI_RED);
1656		1892
1657	warn "ERROR in enter_exit: $@";	1893	warn "ERROR in enter_exit: $@";
1658	$self->leave_link;	1894	$self->leave_link;
1659	}	1895	}
…		…
1727	}	1963	}
1728	}	1964	}
1729	},	1965	},
1730	);	1966	);
1731		1967
1732	=item $client->coro (\&cb)	1968	=item $client->async (\&cb)
1733		1969
1734	Create a new coroutine, running the specified callback. The coroutine will	1970	Create a new coroutine, running the specified callback. The coroutine will
1735	be automatically cancelled when the client gets destroyed (e.g. on logout,	1971	be automatically cancelled when the client gets destroyed (e.g. on logout,
1736	or loss of connection).	1972	or loss of connection).
1737		1973
1738	=cut	1974	=cut
1739		1975
1740	sub cf::client::coro {	1976	sub cf::client::async {
1741	my ($self, $cb) = @_;	1977	my ($self, $cb) = @_;
1742		1978
1743	my $coro = &Coro::async_pool ($cb);	1979	my $coro = &Coro::async ($cb);
1744		1980
1745	$coro->on_destroy (sub {	1981	$coro->on_destroy (sub {
1746	delete $self->{_coro}{$coro+0};	1982	delete $self->{_coro}{$coro+0};
1747	});	1983	});
1748		1984
…		…
1942	sub db_sync() {	2178	sub db_sync() {
1943	db_save if $dirty;	2179	db_save if $dirty;
1944	undef $dirty;	2180	undef $dirty;
1945	}	2181	}
1946		2182
1947	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2183	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1948	db_sync;	2184	db_sync;
1949	});	2185	});
1950		2186
1951	sub db_dirty() {	2187	sub db_dirty() {
1952	$dirty = 1;	2188	$dirty = 1;
…		…
1991	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2227	$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};	2228	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
1993		2229
1994	if (exists $CFG{mlockall}) {	2230	if (exists $CFG{mlockall}) {
1995	eval {	2231	eval {
1996	$CFG{mlockall} ? &mlockall : &munlockall	2232	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1997	and die "WARNING: m(un)lockall failed: $!\n";	2233	and die "WARNING: m(un)lockall failed: $!\n";
1998	};	2234	};
1999	warn $@ if $@;	2235	warn $@ if $@;
2000	}	2236	}
2001	}	2237	}
2002		2238
2003	sub main {	2239	sub main {
2004	# we must not ever block the main coroutine	2240	# we must not ever block the main coroutine
2005	local $Coro::idle = sub {	2241	local $Coro::idle = sub {
2006	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2242	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2007	Coro::async_pool { Event::one_event };	2243	(async {
		2244	Event::one_event;
		2245	})->prio (Coro::PRIO_MAX);
2008	};	2246	};
2009		2247
2010	cfg_load;	2248	cfg_load;
2011	db_load;	2249	db_load;
2012	load_extensions;	2250	load_extensions;
		2251
		2252	$TICK_WATCHER->start;
2013	Event::loop;	2253	Event::loop;
2014	}	2254	}
2015		2255
2016	#############################################################################	2256	#############################################################################
2017	# initialisation	2257	# initialisation and cleanup
		2258
		2259	# install some emergency cleanup handlers
		2260	BEGIN {
		2261	for my $signal (qw(INT HUP TERM)) {
		2262	Event->signal (
		2263	data => WF_AUTOCANCEL,
		2264	signal => $signal,
		2265	cb => sub {
		2266	cf::cleanup "SIG$signal";
		2267	},
		2268	);
		2269	}
		2270	}
		2271
		2272	sub emergency_save() {
		2273	my $freeze_guard = cf::freeze_mainloop;
		2274
		2275	warn "enter emergency perl save\n";
		2276
		2277	cf::sync_job {
		2278	# use a peculiar iteration method to avoid tripping on perl
		2279	# refcount bugs in for. also avoids problems with players
		2280	# and maps saved/destroyed asynchronously.
		2281	warn "begin emergency player save\n";
		2282	for my $login (keys %cf::PLAYER) {
		2283	my $pl = $cf::PLAYER{$login} or next;
		2284	$pl->valid or next;
		2285	$pl->save;
		2286	}
		2287	warn "end emergency player save\n";
		2288
		2289	warn "begin emergency map save\n";
		2290	for my $path (keys %cf::MAP) {
		2291	my $map = $cf::MAP{$path} or next;
		2292	$map->valid or next;
		2293	$map->save;
		2294	}
		2295	warn "end emergency map save\n";
		2296	};
		2297
		2298	warn "leave emergency perl save\n";
		2299	}
2018		2300
2019	sub reload() {	2301	sub reload() {
2020	# can/must only be called in main	2302	# can/must only be called in main
2021	if ($Coro::current != $Coro::main) {	2303	if ($Coro::current != $Coro::main) {
2022	warn "can only reload from main coroutine\n";	2304	warn "can only reload from main coroutine";
2023	return;	2305	return;
2024	}	2306	}
2025		2307
2026	warn "reloading...";	2308	warn "reloading...";
2027		2309
2028	my $guard = freeze_mainloop;	2310	warn "cancelling server ticker";
		2311	$TICK_WATCHER->cancel;
		2312
2029	cf::emergency_save;	2313	cf::emergency_save;
2030		2314
2031	eval {	2315	eval {
2032	# if anything goes wrong in here, we should simply crash as we already saved	2316	# if anything goes wrong in here, we should simply crash as we already saved
2033		2317
2034	# cancel all watchers	2318	warn "syncing database to disk";
		2319	cf::db_sync;
		2320
		2321	warn "cancelling all WF_AUTOCANCEL watchers";
2035	for (Event::all_watchers) {	2322	for (Event::all_watchers) {
2036	$_->cancel if $_->data & WF_AUTOCANCEL;	2323	$_->cancel if $_->data & WF_AUTOCANCEL;
2037	}	2324	}
2038		2325
		2326	warn "flushing outstanding aio requests";
		2327	for (;;) {
		2328	IO::AIO::flush;
		2329	Coro::cede;
		2330	last unless IO::AIO::nreqs;
		2331	warn "iterate...";
		2332	}
		2333
2039	# cancel all extension coros	2334	warn "cancelling all extension coros";
2040	$_->cancel for values %EXT_CORO;	2335	$_->cancel for values %EXT_CORO;
2041	%EXT_CORO = ();	2336	%EXT_CORO = ();
2042		2337
2043	# unload all extensions	2338	warn "removing commands";
2044	for (@exts) {	2339	%COMMAND = ();
		2340
		2341	warn "removing ext commands";
		2342	%EXTCMD = ();
		2343
		2344	warn "unloading/nuking all extensions";
		2345	for my $pkg (@EXTS) {
2045	warn "unloading <$_>";	2346	warn "... unloading $pkg";
2046	unload_extension $_;	2347
		2348	if (my $cb = $pkg->can ("unload")) {
		2349	eval {
		2350	$cb->($pkg);
		2351	1
		2352	} or warn "$pkg unloaded, but with errors: $@";
2047	}	2353	}
2048		2354
		2355	warn "... nuking $pkg";
		2356	Symbol::delete_package $pkg;
		2357	}
		2358
2049	# unload all modules loaded from $LIBDIR	2359	warn "unloading all perl modules loaded from $LIBDIR";
2050	while (my ($k, $v) = each %INC) {	2360	while (my ($k, $v) = each %INC) {
2051	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2361	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2052		2362
2053	warn "removing <$k>";	2363	warn "... unloading $k";
2054	delete $INC{$k};	2364	delete $INC{$k};
2055		2365
2056	$k =~ s/\.pm$//;	2366	$k =~ s/\.pm$//;
2057	$k =~ s/\//::/g;	2367	$k =~ s/\//::/g;
2058		2368
…		…
2061	}	2371	}
2062		2372
2063	Symbol::delete_package $k;	2373	Symbol::delete_package $k;
2064	}	2374	}
2065		2375
2066	# sync database to disk
2067	cf::db_sync;
2068	IO::AIO::flush;
2069
2070	# get rid of safe::, as good as possible	2376	warn "getting rid of safe::, as good as possible";
2071	Symbol::delete_package "safe::$_"	2377	Symbol::delete_package "safe::$_"
2072	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2378	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2073		2379
2074	# remove register_script_function callbacks
2075	# TODO
2076
2077	# unload cf.pm "a bit"	2380	warn "unloading cf.pm \"a bit\"";
2078	delete $INC{"cf.pm"};	2381	delete $INC{"cf.pm"};
2079		2382
2080	# don't, removes xs symbols, too,	2383	# don't, removes xs symbols, too,
2081	# and global variables created in xs	2384	# and global variables created in xs
2082	#Symbol::delete_package __PACKAGE__;	2385	#Symbol::delete_package __PACKAGE__;
2083		2386
2084	# reload cf.pm	2387	warn "unload completed, starting to reload now";
		2388
2085	warn "reloading cf.pm";	2389	warn "reloading cf.pm";
2086	require cf;	2390	require cf;
2087	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2391	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2088		2392
2089	# load config and database again	2393	warn "loading config and database again";
2090	cf::cfg_load;	2394	cf::cfg_load;
2091	cf::db_load;	2395	cf::db_load;
2092		2396
2093	# load extensions
2094	warn "load extensions";	2397	warn "loading extensions";
2095	cf::load_extensions;	2398	cf::load_extensions;
2096		2399
2097	# reattach attachments to objects	2400	warn "reattaching attachments to objects/players";
2098	warn "reattach";
2099	_global_reattach;	2401	_global_reattach;
		2402	warn "reattaching attachments to maps";
		2403	reattach $_ for values %MAP;
		2404
		2405	warn "restarting server ticker";
		2406
		2407	$TICK_WATCHER->start;
2100	};	2408	};
2101		2409
2102	if ($@) {	2410	if ($@) {
2103	warn $@;	2411	warn $@;
2104	warn "error while reloading, exiting.";	2412	warn "error while reloading, exiting.";
2105	exit 1;	2413	exit 1;
2106	}	2414	}
2107		2415
2108	warn "reloaded successfully";	2416	warn "reloaded";
2109	};	2417	};
2110		2418
2111	#############################################################################	2419	our $RELOAD_WATCHER; # used only during reload
2112
2113	unless ($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} = $LINK_MAP;
2152	}
2153
2154	register "<global>", __PACKAGE__;
2155		2420
2156	register_command "reload" => sub {	2421	register_command "reload" => sub {
2157	my ($who, $arg) = @_;	2422	my ($who, $arg) = @_;
2158		2423
2159	if ($who->flag (FLAG_WIZ)) {	2424	if ($who->flag (FLAG_WIZ)) {
2160	$who->message ("start of reload.");	2425	$who->message ("reloading server.");
		2426
		2427	# doing reload synchronously and two reloads happen back-to-back,
		2428	# coro crashes during coro_state_free->destroy here.
		2429
		2430	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2161	reload;	2431	reload;
2162	$who->message ("end of reload.");	2432	undef $RELOAD_WATCHER;
		2433	});
2163	}	2434	}
2164	};	2435	};
2165		2436
2166	unshift @INC, $LIBDIR;	2437	unshift @INC, $LIBDIR;
		2438
		2439	my $bug_warning = 0;
2167		2440
2168	$TICK_WATCHER = Event->timer (	2441	$TICK_WATCHER = Event->timer (
2169	reentrant => 0,	2442	reentrant => 0,
		2443	parked => 1,
2170	prio => 0,	2444	prio => 0,
2171	at => $NEXT_TICK || $TICK,	2445	at => $NEXT_TICK || $TICK,
2172	data => WF_AUTOCANCEL,	2446	data => WF_AUTOCANCEL,
2173	cb => sub {	2447	cb => sub {
		2448	if ($Coro::current != $Coro::main) {
		2449	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2450	unless ++$bug_warning > 10;
		2451	return;
		2452	}
		2453
		2454	$NOW = Event::time;
		2455
2174	cf::server_tick; # one server iteration	2456	cf::server_tick; # one server iteration
2175	$RUNTIME += $TICK;	2457	$RUNTIME += $TICK;
2176	$NEXT_TICK += $TICK;	2458	$NEXT_TICK += $TICK;
		2459
		2460	$WAIT_FOR_TICK->broadcast;
		2461	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2177		2462
2178	# if we are delayed by four ticks or more, skip them all	2463	# if we are delayed by four ticks or more, skip them all
2179	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2464	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2180		2465
2181	$TICK_WATCHER->at ($NEXT_TICK);	2466	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2183	},	2468	},
2184	);	2469	);
2185		2470
2186	IO::AIO::max_poll_time $TICK * 0.2;	2471	IO::AIO::max_poll_time $TICK * 0.2;
2187		2472
2188	Event->io (	2473	$AIO_POLL_WATCHER = Event->io (
2189	fd => IO::AIO::poll_fileno,	2474	fd => IO::AIO::poll_fileno,
2190	poll => 'r',	2475	poll => 'r',
2191	prio => 5,	2476	prio => 5,
2192	data => WF_AUTOCANCEL,	2477	data => WF_AUTOCANCEL,
2193	cb => \&IO::AIO::poll_cb,	2478	cb => \&IO::AIO::poll_cb,
2194	);	2479	);
2195		2480
2196	Event->timer (	2481	$WRITE_RUNTIME_WATCHER = Event->timer (
2197	data => WF_AUTOCANCEL,	2482	data => WF_AUTOCANCEL,
2198	after => 0,	2483	after => 1,
2199	interval => 10,	2484	interval => 10,
2200	cb => sub {	2485	prio => 6, # keep it lowest so it acts like a watchdog
2201	(Coro::unblock_sub {	2486	cb => Coro::unblock_sub {
2202	write_runtime	2487	write_runtime
2203	or warn "ERROR: unable to write runtime file: $!";	2488	or warn "ERROR: unable to write runtime file: $!";
2204	})->();
2205	},	2489	},
2206	);	2490	);
2207		2491
2208	END { cf::emergency_save }	2492	END { cf::emergency_save }
2209		2493

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