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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.138 by root, Fri Jan 5 17:07:17 2007 UTC vs.
Revision 1.187 by root, Sat Jan 20 21:06:52 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 (2); # 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
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		35
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	Coro::cede_notself;	317	Coro::cede or Event::one_event;
269	Event::one_event unless Coro::nready;
270	}	318	}
271		319
272	wantarray ? @res : $res[0]	320	wantarray ? @res : $res[0]
273	} else {	321	} else {
274	# we are in another coroutine, how wonderful, everything just works	322	# we are in another coroutine, how wonderful, everything just works
275		323
276	$job->()	324	$job->()
277	}	325	}
278	}	326	}
279		327
280	=item $coro = cf::coro { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
281		329
282	Creates (and readies) and returns a new coro. This coro is automcatially	330	Like async, but this coro is automatically being canceled when the
283	being canceled when the extension calling this is being unloaded.	331	extension calling this is being unloaded.
284		332
285	=cut	333	=cut
286		334
287	sub coro(&) {	335	sub async_ext(&) {
288	my $cb = shift;	336	my $cb = shift;
289		337
290	my $coro = &Coro::async_pool ($cb);	338	my $coro = &Coro::async ($cb);
291		339
292	$coro->on_destroy (sub {	340	$coro->on_destroy (sub {
293	delete $EXT_CORO{$coro+0};	341	delete $EXT_CORO{$coro+0};
294	});	342	});
295	$EXT_CORO{$coro+0} = $coro;	343	$EXT_CORO{$coro+0} = $coro;
…		…
301	my $runtime = cf::localdir . "/runtime";	349	my $runtime = cf::localdir . "/runtime";
302		350
303	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
304	or return;	352	or return;
305		353
		354	my $value = $cf::RUNTIME + 90 + 10;
306	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
307	(aio_write $fh, 0, (length $value), $value, 0) <= 0	358	(aio_write $fh, 0, (length $value), $value, 0) <= 0
308	and return;	359	and return;
309		360
310	aio_fsync $fh	361	aio_fsync $fh
311	and return;	362	and return;
…		…
320	}	371	}
321		372
322	=back	373	=back
323		374
324	=cut	375	=cut
325
326	#############################################################################
327
328	package cf::path;
329
330	sub new {
331	my ($class, $path, $base) = @_;
332
333	$path = $path->as_string if ref $path;
334
335	my $self = bless { }, $class;
336
337	# {... are special paths that are not touched
338	# ?xxx/... are special absolute paths
339	# ?random/... random maps
340	# /! non-realised random map exit
341	# /... normal maps
342	# ~/... per-player maps without a specific player (DO NOT USE)
343	# ~user/... per-player map of a specific user
344
345	if ($path =~ /^{/) {
346	# fine as it is
347	} elsif ($path =~ s{^\?random/}{}) {
348	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
349	$self->{random} = cf::from_json $data;
350	} else {
351	if ($path =~ s{^~([^/]+)?}{}) {
352	$self->{user_rel} = 1;
353
354	if (defined $1) {
355	$self->{user} = $1;
356	} elsif ($base =~ m{^~([^/]+)/}) {
357	$self->{user} = $1;
358	} else {
359	warn "cannot resolve user-relative path without user <$path,$base>\n";
360	}
361	} elsif ($path =~ /^\//) {
362	# already absolute
363	} else {
364	$base =~ s{[^/]+/?$}{};
365	return $class->new ("$base/$path");
366	}
367
368	for ($path) {
369	redo if s{/\.?/}{/};
370	redo if s{/[^/]+/\.\./}{/};
371	}
372	}
373
374	$self->{path} = $path;
375
376	$self
377	}
378
379	# the name / primary key / in-game path
380	sub as_string {
381	my ($self) = @_;
382
383	$self->{user_rel} ? "~$self->{user}$self->{path}"
384	: $self->{random} ? "?random/$self->{path}"
385	: $self->{path}
386	}
387
388	# the displayed name, this is a one way mapping
389	sub visible_name {
390	my ($self) = @_;
391
392	# if (my $rmp = $self->{random}) {
393	# # todo: be more intelligent about this
394	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
395	# } else {
396	$self->as_string
397	# }
398	}
399
400	# escape the /'s in the path
401	sub _escaped_path {
402	# ∕ is U+2215
403	(my $path = $_[0]{path}) =~ s/\//∕/g;
404	$path
405	}
406
407	# the original (read-only) location
408	sub load_path {
409	my ($self) = @_;
410
411	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
412	}
413
414	# the temporary/swap location
415	sub save_path {
416	my ($self) = @_;
417
418	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
419	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
420	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
421	}
422
423	# the unique path, might be eq to save_path
424	sub uniq_path {
425	my ($self) = @_;
426
427	$self->{user_rel} || $self->{random}
428	? undef
429	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
430	}
431
432	# return random map parameters, or undef
433	sub random_map_params {
434	my ($self) = @_;
435
436	$self->{random}
437	}
438
439	# this is somewhat ugly, but style maps do need special treatment
440	sub is_style_map {
441	$_[0]{path} =~ m{^/styles/}
442	}
443
444	package cf;
445		376
446	#############################################################################	377	#############################################################################
447		378
448	=head2 ATTACHABLE OBJECTS	379	=head2 ATTACHABLE OBJECTS
449		380
…		…
575	our @CB_TYPE = (); # registry for type (cf-object class) based events	506	our @CB_TYPE = (); # registry for type (cf-object class) based events
576	our @CB_MAP = ();	507	our @CB_MAP = ();
577		508
578	my %attachment;	509	my %attachment;
579		510
		511	sub cf::attachable::thawer_merge {
		512	# simply override everything except _meta
		513	local $_[0]{_meta};
		514	%{$_[0]} = %{$_[1]};
		515	}
		516
580	sub _attach_cb($$$$) {	517	sub _attach_cb($$$$) {
581	my ($registry, $event, $prio, $cb) = @_;	518	my ($registry, $event, $prio, $cb) = @_;
582		519
583	use sort 'stable';	520	use sort 'stable';
584		521
…		…
755	# object support	692	# object support
756		693
757	sub reattach {	694	sub reattach {
758	# basically do the same as instantiate, without calling instantiate	695	# basically do the same as instantiate, without calling instantiate
759	my ($obj) = @_;	696	my ($obj) = @_;
		697
		698	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
760		699
761	my $registry = $obj->registry;	700	my $registry = $obj->registry;
762		701
763	@$registry = ();	702	@$registry = ();
764		703
…		…
896	=cut	835	=cut
897		836
898	sub register_extcmd {	837	sub register_extcmd {
899	my ($name, $cb) = @_;	838	my ($name, $cb) = @_;
900		839
901	my $caller = caller;
902	#warn "registering extcmd '$name' to '$caller'";
903
904	$EXTCMD{$name} = [$cb, $caller];	840	$EXTCMD{$name} = $cb;
905	}	841	}
906		842
907	cf::player->attach (	843	cf::player->attach (
908	on_command => sub {	844	on_command => sub {
909	my ($pl, $name, $params) = @_;	845	my ($pl, $name, $params) = @_;
…		…
922		858
923	my $msg = eval { from_json $buf };	859	my $msg = eval { from_json $buf };
924		860
925	if (ref $msg) {	861	if (ref $msg) {
926	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
927	if (my %reply = $cb->[0]->($pl, $msg)) {	863	if (my %reply = $cb->($pl, $msg)) {
928	$pl->ext_reply ($msg->{msgid}, %reply);	864	$pl->ext_reply ($msg->{msgid}, %reply);
929	}	865	}
930	}	866	}
931	} else {	867	} else {
932	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
934		870
935	cf::override;	871	cf::override;
936	},	872	},
937	);	873	);
938		874
939	sub register {
940	my ($base, $pkg) = @_;
941
942	#TODO
943	}
944
945	sub load_extension {	875	sub load_extension {
946	my ($path) = @_;	876	my ($path) = @_;
947		877
948	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
949	my $base = $1;	879	my $base = $1;
950	my $pkg = $1;	880	my $pkg = $1;
951	$pkg =~ s/[^[:word:]]/_/g;	881	$pkg =~ s/[^[:word:]]/_/g;
952	$pkg = "ext::$pkg";	882	$pkg = "ext::$pkg";
953		883
954	warn "loading '$path' into '$pkg'\n";	884	warn "... loading '$path' into '$pkg'\n";
955		885
956	open my $fh, "<:utf8", $path	886	open my $fh, "<:utf8", $path
957	or die "$path: $!";	887	or die "$path: $!";
958		888
959	my $source =	889	my $source =
960	"package $pkg; use strict; use utf8;\n"	890	"package $pkg; use strict; use utf8;\n"
961	. "#line 1 \"$path\"\n{\n"	891	. "#line 1 \"$path\"\n{\n"
962	. (do { local $/; <$fh> })	892	. (do { local $/; <$fh> })
963	. "\n};\n1";	893	. "\n};\n1";
964		894
965	eval $source	895	unless (eval $source) {
966	or die $@ ? "$path: $@\n"	896	my $msg = $@ ? "$path: $@\n"
967	: "extension disabled.\n";	897	: "extension disabled.\n";
968		898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
969	push @exts, $pkg;	899	warn $@;
970	$ext_pkg{$base} = $pkg;	900	warn "mandatory extension failed to load, exiting.\n";
971		901	exit 1;
972	# no strict 'refs';	902	}
973	# @{"$pkg\::ISA"} = ext::;	903	die $@;
974
975	register $base, $pkg;
976	}
977
978	sub unload_extension {
979	my ($pkg) = @_;
980
981	warn "removing extension $pkg\n";
982
983	# remove hooks
984	#TODO
985	# for my $idx (0 .. $#PLUGIN_EVENT) {
986	# delete $hook[$idx]{$pkg};
987	# }	904	}
988		905
989	# remove commands	906	push @EXTS, $pkg;
990	for my $name (keys %COMMAND) {
991	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
992
993	if (@cb) {
994	$COMMAND{$name} = \@cb;
995	} else {
996	delete $COMMAND{$name};
997	}
998	}
999
1000	# remove extcmds
1001	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1002	delete $EXTCMD{$name};
1003	}
1004
1005	if (my $cb = $pkg->can ("unload")) {
1006	eval {
1007	$cb->($pkg);
1008	1
1009	} or warn "$pkg unloaded, but with errors: $@";
1010	}
1011
1012	Symbol::delete_package $pkg;
1013	}	907	}
1014		908
1015	sub load_extensions {	909	sub load_extensions {
1016	for my $ext (<$LIBDIR/*.ext>) {	910	for my $ext (<$LIBDIR/*.ext>) {
1017	next unless -r $ext;	911	next unless -r $ext;
…		…
1021	} or warn "$ext not loaded: $@";	915	} or warn "$ext not loaded: $@";
1022	}	916	}
1023	}	917	}
1024		918
1025	#############################################################################	919	#############################################################################
1026	# load/save/clean perl data associated with a map
1027
1028	*cf::mapsupport::on_clean = sub {
1029	my ($map) = @_;
1030
1031	my $path = $map->tmpname;
1032	defined $path or return;
1033
1034	unlink "$path.pst";
1035	};
1036
1037	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1038
1039	#############################################################################
1040	# load/save perl data associated with player->ob objects
1041
1042	sub all_objects(@) {
1043	@_, map all_objects ($_->inv), @_
1044	}
1045
1046	# TODO: compatibility cruft, remove when no longer needed
1047	cf::player->attach (
1048	on_load => sub {
1049	my ($pl, $path) = @_;
1050
1051	for my $o (all_objects $pl->ob) {
1052	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1053	$o->set_ob_key_value ("_perl_data");
1054
1055	%$o = %{ Storable::thaw pack "H*", $value };
1056	}
1057	}
1058	},
1059	);
1060
1061	#############################################################################
1062		920
1063	=head2 CORE EXTENSIONS	921	=head2 CORE EXTENSIONS
1064		922
1065	Functions and methods that extend core crossfire objects.	923	Functions and methods that extend core crossfire objects.
1066		924
		925	=cut
		926
		927	package cf::player;
		928
		929	use Coro::AIO;
		930
1067	=head3 cf::player	931	=head3 cf::player
1068		932
1069	=over 4	933	=over 4
1070		934
1071	=item cf::player::exists $login	935	=item cf::player::find $login
1072		936
1073	Returns true when the given account exists.	937	Returns the given player object, loading it if necessary (might block).
1074		938
1075	=cut	939	=cut
1076		940
1077	sub cf::player::exists($) {	941	sub playerdir($) {
1078	cf::player::find $_[0]	942	cf::localdir
1079	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
1080	}	1088	}
1081		1089
1082	=item $player->ext_reply ($msgid, $msgtype, %msg)	1090	=item $player->ext_reply ($msgid, $msgtype, %msg)
1083		1091
1084	Sends an ext reply to the player.	1092	Sends an ext reply to the player.
1085		1093
1086	=cut	1094	=cut
1087		1095
1088	sub cf::player::ext_reply($$$%) {	1096	sub ext_reply($$$%) {
1089	my ($self, $id, %msg) = @_;	1097	my ($self, $id, %msg) = @_;
1090		1098
1091	$msg{msgid} = $id;	1099	$msg{msgid} = $id;
1092		1100
1093	$self->send ("ext " . to_json \%msg);	1101	$self->send ("ext " . cf::to_json \%msg);
1094	}	1102	}
		1103
		1104	package cf;
1095		1105
1096	=back	1106	=back
1097		1107
1098		1108
1099	=head3 cf::map	1109	=head3 cf::map
…		…
1105	package cf::map;	1115	package cf::map;
1106		1116
1107	use Fcntl;	1117	use Fcntl;
1108	use Coro::AIO;	1118	use Coro::AIO;
1109		1119
		1120	use overload
		1121	'""' => \&as_string,
		1122	fallback => 1;
		1123
1110	our $MAX_RESET = 3600;	1124	our $MAX_RESET = 3600;
1111	our $DEFAULT_RESET = 3000;	1125	our $DEFAULT_RESET = 3000;
1112		1126
1113	sub generate_random_map {	1127	sub generate_random_map {
1114	my ($path, $rmp) = @_;	1128	my ($self, $rmp) = @_;
1115
1116	# mit "rum" bekleckern, nicht	1129	# mit "rum" bekleckern, nicht
1117	cf::map::_create_random_map	1130	$self->_create_random_map (
1118	$path,
1119	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1120	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1121	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1122	$rmp->{exit_on_final_map},	1134	$rmp->{exit_on_final_map},
1123	$rmp->{xsize}, $rmp->{ysize},	1135	$rmp->{xsize}, $rmp->{ysize},
1124	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1125	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1126	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1127	$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},
1128	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1129	(cf::region::find $rmp->{region})	1141	(cf::region::find $rmp->{region}), $rmp->{custom}
		1142	)
		1143	}
		1144
		1145	=item cf::map->register ($regex, $prio)
		1146
		1147	Register a handler for the map path matching the given regex at the
		1148	givne priority (higher is better, built-in handlers have priority 0, the
		1149	default).
		1150
		1151	=cut
		1152
		1153	sub register {
		1154	my (undef, $regex, $prio) = @_;
		1155	my $pkg = caller;
		1156
		1157	no strict;
		1158	push @{"$pkg\::ISA"}, __PACKAGE__;
		1159
		1160	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1161	}
		1162
		1163	# also paths starting with '/'
		1164	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1165
		1166	sub thawer_merge {
		1167	my ($self, $merge) = @_;
		1168
		1169	# we have to keep some variables in memory intact
		1170	local $self->{path};
		1171	local $self->{load_path};
		1172	local $self->{deny_save};
		1173	local $self->{deny_reset};
		1174
		1175	$self->SUPER::thawer_merge ($merge);
		1176	}
		1177
		1178	sub normalise {
		1179	my ($path, $base) = @_;
		1180
		1181	# map plan:
		1182	#
		1183	# /! non-realised random map exit (special hack!)
		1184	# {... are special paths that are not being touched
		1185	# ?xxx/... are special absolute paths
		1186	# ?random/... random maps
		1187	# /... normal maps
		1188	# ~user/... per-player map of a specific user
		1189
		1190	$path =~ s/$PATH_SEP/\//go;
		1191
		1192	# treat it as relative path if it starts with
		1193	# something that looks reasonable
		1194	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1195	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1196
		1197	$base =~ s{[^/]+/?$}{};
		1198	$path = "$base/$path";
		1199	}
		1200
		1201	for ($path) {
		1202	redo if s{//}{/};
		1203	redo if s{/\.?/}{/};
		1204	redo if s{/[^/]+/\.\./}{/};
		1205	}
		1206
		1207	$path
		1208	}
		1209
		1210	sub new_from_path {
		1211	my (undef, $path, $base) = @_;
		1212
		1213	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1214
		1215	$path = normalise $path, $base;
		1216
		1217	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1218	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1219	my $self = bless cf::map::new, $pkg;
		1220	$self->{path} = $path; $self->path ($path);
		1221	$self->init; # pass $1 etc.
		1222	return $self;
		1223	}
		1224	}
		1225
		1226	Carp::carp "unable to resolve path '$path'.";
		1227	()
		1228	}
		1229
		1230	sub init {
		1231	my ($self) = @_;
		1232
		1233	$self
		1234	}
		1235
		1236	sub as_string {
		1237	my ($self) = @_;
		1238
		1239	"$self->{path}"
		1240	}
		1241
		1242	# the displayed name, this is a one way mapping
		1243	sub visible_name {
		1244	&as_string
		1245	}
		1246
		1247	# the original (read-only) location
		1248	sub load_path {
		1249	my ($self) = @_;
		1250
		1251	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		1252	}
		1253
		1254	# the temporary/swap location
		1255	sub save_path {
		1256	my ($self) = @_;
		1257
		1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1259	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
		1260	}
		1261
		1262	# the unique path, undef == no special unique path
		1263	sub uniq_path {
		1264	my ($self) = @_;
		1265
		1266	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1267	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1130	}	1268	}
1131		1269
1132	# and all this just because we cannot iterate over	1270	# and all this just because we cannot iterate over
1133	# all maps in C++...	1271	# all maps in C++...
1134	sub change_all_map_light {	1272	sub change_all_map_light {
…		…
1136		1274
1137	$_->change_map_light ($change)	1275	$_->change_map_light ($change)
1138	for grep $_->outdoor, values %cf::MAP;	1276	for grep $_->outdoor, values %cf::MAP;
1139	}	1277	}
1140		1278
		1279	sub unlink_save {
		1280	my ($self) = @_;
		1281
		1282	utf8::encode (my $save = $self->save_path);
		1283	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1284	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1285	}
		1286
1141	sub try_load_header($) {	1287	sub load_header_from($) {
1142	my ($path) = @_;	1288	my ($self, $path) = @_;
1143		1289
1144	utf8::encode $path;	1290	utf8::encode $path;
1145	aio_open $path, O_RDONLY, 0	1291	aio_open $path, O_RDONLY, 0
1146	or return;	1292	or return;
1147		1293
1148	my $map = cf::map::new	1294	$self->_load_header ($path)
1149	or return;	1295	or return;
1150		1296
1151	# for better error messages only, will be overwritten	1297	$self->{load_path} = $path;
1152	$map->path ($path);
1153		1298
1154	$map->load_header ($path)	1299	1
		1300	}
		1301
		1302	sub load_orig {
		1303	my ($self) = @_;
		1304
		1305	$self->load_header_from ($self->load_path)
		1306	}
		1307
		1308	sub load_temp {
		1309	my ($self) = @_;
		1310
		1311	$self->load_header_from ($self->save_path)
		1312	}
		1313
		1314	sub load_header {
		1315	my ($self) = @_;
		1316
		1317	if ($self->load_temp) {
		1318	$self->last_access ((delete $self->{last_access})
		1319	|| $cf::RUNTIME); #d#
		1320	# safety
		1321	$self->{instantiate_time} = $cf::RUNTIME
		1322	if $self->{instantiate_time} > $cf::RUNTIME;
		1323	} else {
		1324	$self->load_orig
1155	or return;	1325	or return;
1156		1326
1157	$map->{load_path} = $path;	1327	$self->{load_original} = 1;
		1328	$self->{instantiate_time} = $cf::RUNTIME;
		1329	$self->last_access ($cf::RUNTIME);
		1330	$self->instantiate;
		1331	}
1158		1332
1159	$map	1333	1
1160	}	1334	}
1161		1335
1162	sub find;	1336	sub find;
1163	sub find {	1337	sub find {
1164	my ($path, $origin) = @_;	1338	my ($path, $origin) = @_;
1165		1339
1166	#warn "find<$path,$origin>\n";#d#
1167
1168	$path = new cf::path $path, $origin && $origin->path;	1340	$path = normalise $path, $origin && $origin->path;
1169	my $key = $path->as_string;
1170		1341
1171	cf::lock_wait "map_find:$key";	1342	cf::lock_wait "map_find:$path";
1172		1343
1173	$cf::MAP{$key} || do {	1344	$cf::MAP{$path} || do {
1174	my $guard = cf::lock_acquire "map_find:$key";	1345	my $guard = cf::lock_acquire "map_find:$path";
1175		1346	my $map = new_from_path cf::map $path
1176	# do it the slow way
1177	my $map = try_load_header $path->save_path;
1178
1179	Coro::cede;
1180
1181	if ($map) {
1182	$map->last_access ((delete $map->{last_access})
1183	|| $cf::RUNTIME); #d#
1184	# safety
1185	$map->{instantiate_time} = $cf::RUNTIME
1186	if $map->{instantiate_time} > $cf::RUNTIME;
1187	} else {
1188	if (my $rmp = $path->random_map_params) {
1189	$map = generate_random_map $key, $rmp;
1190	} else {
1191	$map = try_load_header $path->load_path;
1192	}
1193
1194	$map or return;	1347	or return;
1195		1348
1196	$map->{load_original} = 1;
1197	$map->{instantiate_time} = $cf::RUNTIME;
1198	$map->last_access ($cf::RUNTIME);
1199	$map->instantiate;
1200
1201	# per-player maps become, after loading, normal maps
1202	$map->per_player (0) if $path->{user_rel};
1203	}
1204
1205	$map->path ($key);
1206	$map->{path} = $path;
1207	$map->{last_save} = $cf::RUNTIME;	1349	$map->{last_save} = $cf::RUNTIME;
1208		1350
1209	Coro::cede;	1351	$map->load_header
		1352	or return;
1210		1353
1211	if ($map->should_reset) {	1354	if ($map->should_reset) {
		1355	# doing this can freeze the server in a sync job, obviously
		1356	#$cf::WAIT_FOR_TICK->wait;
1212	$map->reset;	1357	$map->reset;
1213	undef $guard;	1358	undef $guard;
1214	$map = find $path	1359	$map = find $path
1215	or return;	1360	or return;
1216	}	1361	}
1217		1362
1218	$cf::MAP{$key} = $map	1363	$cf::MAP{$path} = $map
1219	}	1364	}
1220	}	1365	}
1221		1366
1222	sub load {	1367	sub load {
1223	my ($self) = @_;	1368	my ($self) = @_;
1224		1369
1225	my $path = $self->{path};	1370	my $path = $self->{path};
1226	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1371	my $guard = cf::lock_acquire "map_load:$path";
1227		1372
1228	return if $self->in_memory != cf::MAP_SWAPPED;	1373	return if $self->in_memory != cf::MAP_SWAPPED;
1229		1374
1230	$self->in_memory (cf::MAP_LOADING);	1375	$self->in_memory (cf::MAP_LOADING);
1231		1376
1232	$self->alloc;	1377	$self->alloc;
1233	$self->load_objects ($self->{load_path}, 1)	1378	$self->_load_objects ($self->{load_path}, 1)
1234	or return;	1379	or return;
1235		1380
1236	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1381	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1237	if delete $self->{load_original};	1382	if delete $self->{load_original};
1238		1383
1239	if (my $uniq = $path->uniq_path) {	1384	if (my $uniq = $self->uniq_path) {
1240	utf8::encode $uniq;	1385	utf8::encode $uniq;
1241	if (aio_open $uniq, O_RDONLY, 0) {	1386	if (aio_open $uniq, O_RDONLY, 0) {
1242	$self->clear_unique_items;	1387	$self->clear_unique_items;
1243	$self->load_objects ($uniq, 0);	1388	$self->_load_objects ($uniq, 0);
1244	}	1389	}
1245	}	1390	}
1246		1391
1247	Coro::cede;	1392	Coro::cede;
1248		1393
1249	# now do the right thing for maps	1394	# now do the right thing for maps
1250	$self->link_multipart_objects;	1395	$self->link_multipart_objects;
1251		1396
1252	if ($self->{path}->is_style_map) {	1397	unless ($self->{deny_activate}) {
1253	$self->{deny_save} = 1;	1398	$self->decay_objects;
1254	$self->{deny_reset} = 1;
1255	} else {
1256	$self->fix_auto_apply;	1399	$self->fix_auto_apply;
1257	$self->decay_objects;
1258	$self->update_buttons;	1400	$self->update_buttons;
		1401	Coro::cede;
1259	$self->set_darkness_map;	1402	$self->set_darkness_map;
1260	$self->difficulty ($self->estimate_difficulty)	1403	$self->difficulty ($self->estimate_difficulty)
1261	unless $self->difficulty;	1404	unless $self->difficulty;
		1405	Coro::cede;
1262	$self->activate;	1406	$self->activate;
1263	}	1407	}
1264		1408
1265	Coro::cede;
1266
1267	$self->in_memory (cf::MAP_IN_MEMORY);	1409	$self->in_memory (cf::MAP_IN_MEMORY);
		1410	}
		1411
		1412	sub customise_for {
		1413	my ($self, $ob) = @_;
		1414
		1415	return find "~" . $ob->name . "/" . $self->{path}
		1416	if $self->per_player;
		1417
		1418	$self
		1419	}
		1420
		1421	# find and load all maps in the 3x3 area around a map
		1422	sub load_diag {
		1423	my ($map) = @_;
		1424
		1425	my @diag; # diagonal neighbours
		1426
		1427	for (0 .. 3) {
		1428	my $neigh = $map->tile_path ($_)
		1429	or next;
		1430	$neigh = find $neigh, $map
		1431	or next;
		1432	$neigh->load;
		1433
		1434	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1435	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1436	}
		1437
		1438	for (@diag) {
		1439	my $neigh = find @$_
		1440	or next;
		1441	$neigh->load;
		1442	}
1268	}	1443	}
1269		1444
1270	sub find_sync {	1445	sub find_sync {
1271	my ($path, $origin) = @_;	1446	my ($path, $origin) = @_;
1272		1447
1273	cf::sync_job { cf::map::find $path, $origin }	1448	cf::sync_job { find $path, $origin }
1274	}	1449	}
1275		1450
1276	sub do_load_sync {	1451	sub do_load_sync {
1277	my ($map) = @_;	1452	my ($map) = @_;
1278		1453
1279	cf::sync_job { $map->load };	1454	cf::sync_job { $map->load };
1280	}	1455	}
1281		1456
		1457	our %MAP_PREFETCH;
		1458	our $MAP_PREFETCHER = undef;
		1459
		1460	sub find_async {
		1461	my ($path, $origin) = @_;
		1462
		1463	$path = normalise $path, $origin && $origin->{path};
		1464
		1465	if (my $map = $cf::MAP{$path}) {
		1466	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1467	}
		1468
		1469	undef $MAP_PREFETCH{$path};
		1470	$MAP_PREFETCHER ||= cf::async {
		1471	while (%MAP_PREFETCH) {
		1472	for my $path (keys %MAP_PREFETCH) {
		1473	my $map = find $path
		1474	or next;
		1475	$map->load;
		1476
		1477	delete $MAP_PREFETCH{$path};
		1478	}
		1479	}
		1480	undef $MAP_PREFETCHER;
		1481	};
		1482
		1483	()
		1484	}
		1485
1282	sub save {	1486	sub save {
1283	my ($self) = @_;	1487	my ($self) = @_;
1284		1488
1285	my $lock = cf::lock_acquire "map_data:" . $self->path;	1489	my $lock = cf::lock_acquire "map_data:" . $self->path;
1286		1490
1287	$self->{last_save} = $cf::RUNTIME;	1491	$self->{last_save} = $cf::RUNTIME;
1288		1492
1289	return unless $self->dirty;	1493	return unless $self->dirty;
1290		1494
1291	my $save = $self->{path}->save_path; utf8::encode $save;	1495	my $save = $self->save_path; utf8::encode $save;
1292	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1496	my $uniq = $self->uniq_path; utf8::encode $uniq;
1293		1497
1294	$self->{load_path} = $save;	1498	$self->{load_path} = $save;
1295		1499
1296	return if $self->{deny_save};	1500	return if $self->{deny_save};
1297		1501
1298	local $self->{last_access} = $self->last_access;#d#	1502	local $self->{last_access} = $self->last_access;#d#
1299		1503
		1504	cf::async {
		1505	$_->contr->save for $self->players;
		1506	};
		1507
1300	if ($uniq) {	1508	if ($uniq) {
1301	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1509	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1302	$self->save_objects ($uniq, cf::IO_UNIQUES);	1510	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1303	} else {	1511	} else {
1304	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1512	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1305	}	1513	}
1306	}	1514	}
1307		1515
1308	sub swap_out {	1516	sub swap_out {
1309	my ($self) = @_;	1517	my ($self) = @_;
…		…
1323		1531
1324	sub reset_at {	1532	sub reset_at {
1325	my ($self) = @_;	1533	my ($self) = @_;
1326		1534
1327	# TODO: safety, remove and allow resettable per-player maps	1535	# TODO: safety, remove and allow resettable per-player maps
1328	return 1e99 if $self->{path}{user_rel};	1536	return 1e99 if $self->isa ("ext::map_per_player");#d#
1329	return 1e99 if $self->{deny_reset};	1537	return 1e99 if $self->{deny_reset};
1330		1538
1331	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1539	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1332	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1540	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1333		1541
…		…
1338	my ($self) = @_;	1546	my ($self) = @_;
1339		1547
1340	$self->reset_at <= $cf::RUNTIME	1548	$self->reset_at <= $cf::RUNTIME
1341	}	1549	}
1342		1550
1343	sub unlink_save {
1344	my ($self) = @_;
1345
1346	utf8::encode (my $save = $self->{path}->save_path);
1347	aioreq_pri 3; IO::AIO::aio_unlink $save;
1348	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1349	}
1350
1351	sub rename {
1352	my ($self, $new_path) = @_;
1353
1354	$self->unlink_save;
1355
1356	delete $cf::MAP{$self->path};
1357	$self->{path} = new cf::path $new_path;
1358	$self->path ($self->{path}->as_string);
1359	$cf::MAP{$self->path} = $self;
1360
1361	$self->save;
1362	}
1363
1364	sub reset {	1551	sub reset {
1365	my ($self) = @_;	1552	my ($self) = @_;
1366		1553
1367	my $lock = cf::lock_acquire "map_data:" . $self->path;	1554	my $lock = cf::lock_acquire "map_data:$self->{path}";
1368		1555
1369	return if $self->players;	1556	return if $self->players;
1370	return if $self->{path}{user_rel};#d#	1557	return if $self->isa ("ext::map_per_player");#d#
1371		1558
1372	warn "resetting map ", $self->path;#d#	1559	warn "resetting map ", $self->path;#d#
1373		1560
1374	delete $cf::MAP{$self->path};	1561	delete $cf::MAP{$self->path};
		1562
		1563	$self->in_memory (cf::MAP_SWAPPED);
		1564	$self->clear;
1375		1565
1376	$_->clear_links_to ($self) for values %cf::MAP;	1566	$_->clear_links_to ($self) for values %cf::MAP;
1377		1567
1378	$self->unlink_save;	1568	$self->unlink_save;
1379	$self->destroy;	1569	$self->destroy;
…		…
1382	my $nuke_counter = "aaaa";	1572	my $nuke_counter = "aaaa";
1383		1573
1384	sub nuke {	1574	sub nuke {
1385	my ($self) = @_;	1575	my ($self) = @_;
1386		1576
		1577	delete $cf::MAP{$self->path};
		1578
		1579	$self->unlink_save;
		1580
		1581	bless $self, "cf::map";
		1582	delete $self->{deny_reset};
1387	$self->{deny_save} = 1;	1583	$self->{deny_save} = 1;
1388	$self->reset_timeout (1);	1584	$self->reset_timeout (1);
1389	$self->rename ("{nuke}/" . ($nuke_counter++));	1585	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1586
		1587	$cf::MAP{$self->path} = $self;
		1588
1390	$self->reset; # polite request, might not happen	1589	$self->reset; # polite request, might not happen
1391	}	1590	}
1392		1591
1393	sub customise_for {	1592	=item cf::map::unique_maps
1394	my ($map, $ob) = @_;
1395		1593
1396	if ($map->per_player) {	1594	Returns an arrayref of paths of all shared maps that have
1397	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1595	instantiated unique items. May block.
1398	}
1399		1596
1400	$map	1597	=cut
1401	}
1402		1598
1403	sub emergency_save {	1599	sub unique_maps() {
1404	my $freeze_guard = cf::freeze_mainloop;	1600	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1601	or return;
1405		1602
1406	warn "enter emergency map save\n";	1603	my @paths;
1407		1604
1408	cf::sync_job {	1605	for (@$files) {
1409	warn "begin emergency map save\n";	1606	utf8::decode $_;
1410	$_->save for values %cf::MAP;	1607	next if /\.pst$/;
		1608	next unless /^$PATH_SEP/o;
		1609
		1610	s/\.map$//;
		1611	push @paths, $_;
1411	};	1612	}
1412		1613
1413	warn "end emergency map save\n";	1614	\@paths
1414	}	1615	}
1415		1616
1416	package cf;	1617	package cf;
1417		1618
1418	=back	1619	=back
1419		1620
		1621	=head3 cf::object
		1622
		1623	=cut
		1624
		1625	package cf::object;
		1626
		1627	=over 4
		1628
		1629	=item $ob->inv_recursive
		1630
		1631	Returns the inventory of the object _and_ their inventories, recursively.
		1632
		1633	=cut
		1634
		1635	sub inv_recursive_;
		1636	sub inv_recursive_ {
		1637	map { $_, inv_recursive_ $_->inv } @_
		1638	}
		1639
		1640	sub inv_recursive {
		1641	inv_recursive_ inv $_[0]
		1642	}
		1643
		1644	package cf;
		1645
		1646	=back
1420		1647
1421	=head3 cf::object::player	1648	=head3 cf::object::player
1422		1649
1423	=over 4	1650	=over 4
1424		1651
…		…
1464		1691
1465	=item $player_object->enter_link	1692	=item $player_object->enter_link
1466		1693
1467	Freezes the player and moves him/her to a special map (C<{link}>).	1694	Freezes the player and moves him/her to a special map (C<{link}>).
1468		1695
1469	The player should be reaosnably safe there for short amounts of time. You	1696	The player should be reasonably safe there for short amounts of time. You
1470	I<MUST> call C<leave_link> as soon as possible, though.	1697	I<MUST> call C<leave_link> as soon as possible, though.
1471		1698
		1699	Will never block.
		1700
1472	=item $player_object->leave_link ($map, $x, $y)	1701	=item $player_object->leave_link ($map, $x, $y)
1473		1702
1474	Moves the player out of the specila link map onto the given map. If the	1703	Moves the player out of the special C<{link}> map onto the specified
1475	map is not valid (or omitted), the player will be moved back to the	1704	map. If the map is not valid (or omitted), the player will be moved back
1476	location he/she was before the call to C<enter_link>, or, if that fails,	1705	to the location he/she was before the call to C<enter_link>, or, if that
1477	to the emergency map position.	1706	fails, to the emergency map position.
1478		1707
1479	Might block.	1708	Might block.
1480		1709
1481	=cut	1710	=cut
		1711
		1712	sub link_map {
		1713	unless ($LINK_MAP) {
		1714	$LINK_MAP = cf::map::find "{link}"
		1715	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
		1716	$LINK_MAP->load;
		1717	}
		1718
		1719	$LINK_MAP
		1720	}
1482		1721
1483	sub cf::object::player::enter_link {	1722	sub cf::object::player::enter_link {
1484	my ($self) = @_;	1723	my ($self) = @_;
1485		1724
1486	$self->deactivate_recursive;	1725	$self->deactivate_recursive;
1487		1726
1488	return if $self->map == $LINK_MAP;	1727	return if UNIVERSAL::isa $self->map, "ext::map_link";
1489		1728
1490	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1729	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1491	if $self->map;	1730	if $self->map;
1492		1731
1493	$self->enter_map ($LINK_MAP, 20, 20);	1732	$self->enter_map ($LINK_MAP || link_map, 20, 20);
1494	}	1733	}
1495		1734
1496	sub cf::object::player::leave_link {	1735	sub cf::object::player::leave_link {
1497	my ($self, $map, $x, $y) = @_;	1736	my ($self, $map, $x, $y) = @_;
1498		1737
…		…
1516	# use -1 or undef as default coordinates, not 0, 0	1755	# use -1 or undef as default coordinates, not 0, 0
1517	($x, $y) = ($map->enter_x, $map->enter_y)	1756	($x, $y) = ($map->enter_x, $map->enter_y)
1518	if $x <=0 && $y <= 0;	1757	if $x <=0 && $y <= 0;
1519		1758
1520	$map->load;	1759	$map->load;
		1760	$map->load_diag;
1521		1761
		1762	return unless $self->contr->active;
1522	$self->activate_recursive;	1763	$self->activate_recursive;
1523	$self->enter_map ($map, $x, $y);	1764	$self->enter_map ($map, $x, $y);
1524	}	1765	}
1525		1766
1526	cf::player->attach (	1767	cf::player->attach (
…		…
1539		1780
1540	# try to abort aborted map switching on player login :)	1781	# try to abort aborted map switching on player login :)
1541	# should happen only on crashes	1782	# should happen only on crashes
1542	if ($pl->ob->{_link_pos}) {	1783	if ($pl->ob->{_link_pos}) {
1543	$pl->ob->enter_link;	1784	$pl->ob->enter_link;
1544	Coro::async_pool {	1785	(async {
1545	# we need this sleep as the login has a concurrent enter_exit running	1786	# we need this sleep as the login has a concurrent enter_exit running
1546	# and this sleep increases chances of the player not ending up in scorn	1787	# and this sleep increases chances of the player not ending up in scorn
		1788	$pl->ob->reply (undef,
		1789	"There was an internal problem at your last logout, "
		1790	. "the server will try to bring you to your intended destination in a second.",
		1791	cf::NDI_RED);
1547	Coro::Timer::sleep 1;	1792	Coro::Timer::sleep 1;
1548	$pl->ob->leave_link;	1793	$pl->ob->leave_link;
1549	};	1794	})->prio (2);
1550	}	1795	}
1551	},	1796	},
1552	);	1797	);
1553		1798
1554	=item $player_object->goto ($path, $x, $y)	1799	=item $player_object->goto ($path, $x, $y)
…		…
1558	sub cf::object::player::goto {	1803	sub cf::object::player::goto {
1559	my ($self, $path, $x, $y) = @_;	1804	my ($self, $path, $x, $y) = @_;
1560		1805
1561	$self->enter_link;	1806	$self->enter_link;
1562		1807
1563	(Coro::async_pool {	1808	(async {
1564	$path = new cf::path $path;
1565
1566	my $map = cf::map::find $path->as_string;	1809	my $map = cf::map::find $path;
1567	$map = $map->customise_for ($self) if $map;	1810	$map = $map->customise_for ($self) if $map;
1568		1811
1569	# warn "entering ", $map->path, " at ($x, $y)\n"	1812	# warn "entering ", $map->path, " at ($x, $y)\n"
1570	# if $map;	1813	# if $map;
1571		1814
1572	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1815	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1573		1816
1574	$self->leave_link ($map, $x, $y);	1817	$self->leave_link ($map, $x, $y);
1575	})->prio (1);	1818	})->prio (1);
1576	}	1819	}
1577		1820
…		…
1581		1824
1582	sub parse_random_map_params {	1825	sub parse_random_map_params {
1583	my ($spec) = @_;	1826	my ($spec) = @_;
1584		1827
1585	my $rmp = { # defaults	1828	my $rmp = { # defaults
1586	xsize => 10,	1829	xsize => (cf::rndm 15, 40),
1587	ysize => 10,	1830	ysize => (cf::rndm 15, 40),
		1831	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1832	#layout => string,
1588	};	1833	};
1589		1834
1590	for (split /\n/, $spec) {	1835	for (split /\n/, $spec) {
1591	my ($k, $v) = split /\s+/, $_, 2;	1836	my ($k, $v) = split /\s+/, $_, 2;
1592		1837
…		…
1596	$rmp	1841	$rmp
1597	}	1842	}
1598		1843
1599	sub prepare_random_map {	1844	sub prepare_random_map {
1600	my ($exit) = @_;	1845	my ($exit) = @_;
		1846
		1847	my $guard = cf::lock_acquire "exit_prepare:$exit";
1601		1848
1602	# all this does is basically replace the /! path by	1849	# all this does is basically replace the /! path by
1603	# a new random map path (?random/...) with a seed	1850	# a new random map path (?random/...) with a seed
1604	# that depends on the exit object	1851	# that depends on the exit object
1605		1852
…		…
1614		1861
1615	$rmp->{random_seed} ||= $exit->random_seed;	1862	$rmp->{random_seed} ||= $exit->random_seed;
1616		1863
1617	my $data = cf::to_json $rmp;	1864	my $data = cf::to_json $rmp;
1618	my $md5 = Digest::MD5::md5_hex $data;	1865	my $md5 = Digest::MD5::md5_hex $data;
		1866	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1619		1867
1620	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1868	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1621	aio_write $fh, 0, (length $data), $data, 0;	1869	aio_write $fh, 0, (length $data), $data, 0;
		1870	undef $fh;
		1871	aio_rename "$meta~", $meta;
1622		1872
1623	$exit->slaying ("?random/$md5");	1873	$exit->slaying ("?random/$md5");
1624	$exit->msg (undef);	1874	$exit->msg (undef);
1625	}	1875	}
1626	}	1876	}
…		…
1630		1880
1631	return unless $self->type == cf::PLAYER;	1881	return unless $self->type == cf::PLAYER;
1632		1882
1633	$self->enter_link;	1883	$self->enter_link;
1634		1884
1635	(Coro::async_pool {	1885	(async {
1636	$self->deactivate_recursive; # just to be sure	1886	$self->deactivate_recursive; # just to be sure
1637	unless (eval {	1887	unless (eval {
1638	prepare_random_map $exit	1888	prepare_random_map $exit
1639	if $exit->slaying eq "/!";	1889	if $exit->slaying eq "/!";
1640		1890
1641	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1891	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1642	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	1892	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1643		1893
1644	1;	1894	1;
1645	}) {	1895	}) {
1646	$self->message ("Something went wrong deep within the crossfire server. "	1896	$self->message ("Something went wrong deep within the crossfire server. "
1647	. "I'll try to bring you back to the map you were before. "	1897	. "I'll try to bring you back to the map you were before. "
1648	. "Please report this to the dungeon master",	1898	. "Please report this to the dungeon master!",
1649	cf::NDI_UNIQUE | cf::NDI_RED);	1899	cf::NDI_UNIQUE | cf::NDI_RED);
1650		1900
1651	warn "ERROR in enter_exit: $@";	1901	warn "ERROR in enter_exit: $@";
1652	$self->leave_link;	1902	$self->leave_link;
1653	}	1903	}
…		…
1721	}	1971	}
1722	}	1972	}
1723	},	1973	},
1724	);	1974	);
1725		1975
1726	=item $client->coro (\&cb)	1976	=item $client->async (\&cb)
1727		1977
1728	Create a new coroutine, running the specified callback. The coroutine will	1978	Create a new coroutine, running the specified callback. The coroutine will
1729	be automatically cancelled when the client gets destroyed (e.g. on logout,	1979	be automatically cancelled when the client gets destroyed (e.g. on logout,
1730	or loss of connection).	1980	or loss of connection).
1731		1981
1732	=cut	1982	=cut
1733		1983
1734	sub cf::client::coro {	1984	sub cf::client::async {
1735	my ($self, $cb) = @_;	1985	my ($self, $cb) = @_;
1736		1986
1737	my $coro = &Coro::async_pool ($cb);	1987	my $coro = &Coro::async ($cb);
1738		1988
1739	$coro->on_destroy (sub {	1989	$coro->on_destroy (sub {
1740	delete $self->{_coro}{$coro+0};	1990	delete $self->{_coro}{$coro+0};
1741	});	1991	});
1742		1992
…		…
1936	sub db_sync() {	2186	sub db_sync() {
1937	db_save if $dirty;	2187	db_save if $dirty;
1938	undef $dirty;	2188	undef $dirty;
1939	}	2189	}
1940		2190
1941	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2191	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1942	db_sync;	2192	db_sync;
1943	});	2193	});
1944		2194
1945	sub db_dirty() {	2195	sub db_dirty() {
1946	$dirty = 1;	2196	$dirty = 1;
…		…
1980	local $/;	2230	local $/;
1981	*CFG = YAML::Syck::Load <$fh>;	2231	*CFG = YAML::Syck::Load <$fh>;
1982		2232
1983	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2233	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1984		2234
		2235	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2236	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2237
1985	if (exists $CFG{mlockall}) {	2238	if (exists $CFG{mlockall}) {
1986	eval {	2239	eval {
1987	$CFG{mlockall} ? &mlockall : &munlockall	2240	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1988	and die "WARNING: m(un)lockall failed: $!\n";	2241	and die "WARNING: m(un)lockall failed: $!\n";
1989	};	2242	};
1990	warn $@ if $@;	2243	warn $@ if $@;
1991	}	2244	}
1992	}	2245	}
1993		2246
1994	sub main {	2247	sub main {
1995	# we must not ever block the main coroutine	2248	# we must not ever block the main coroutine
1996	local $Coro::idle = sub {	2249	local $Coro::idle = sub {
1997	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2250	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1998	(Coro::unblock_sub {	2251	(async {
1999	Event::one_event;	2252	Event::one_event;
2000	})->();	2253	})->prio (Coro::PRIO_MAX);
2001	};	2254	};
2002		2255
2003	cfg_load;	2256	cfg_load;
2004	db_load;	2257	db_load;
2005	load_extensions;	2258	load_extensions;
		2259
		2260	$TICK_WATCHER->start;
2006	Event::loop;	2261	Event::loop;
2007	}	2262	}
2008		2263
2009	#############################################################################	2264	#############################################################################
2010	# initialisation	2265	# initialisation and cleanup
		2266
		2267	# install some emergency cleanup handlers
		2268	BEGIN {
		2269	for my $signal (qw(INT HUP TERM)) {
		2270	Event->signal (
		2271	data => WF_AUTOCANCEL,
		2272	signal => $signal,
		2273	cb => sub {
		2274	cf::cleanup "SIG$signal";
		2275	},
		2276	);
		2277	}
		2278	}
		2279
		2280	sub emergency_save() {
		2281	my $freeze_guard = cf::freeze_mainloop;
		2282
		2283	warn "enter emergency perl save\n";
		2284
		2285	cf::sync_job {
		2286	# use a peculiar iteration method to avoid tripping on perl
		2287	# refcount bugs in for. also avoids problems with players
		2288	# and maps saved/destroyed asynchronously.
		2289	warn "begin emergency player save\n";
		2290	for my $login (keys %cf::PLAYER) {
		2291	my $pl = $cf::PLAYER{$login} or next;
		2292	$pl->valid or next;
		2293	$pl->save;
		2294	}
		2295	warn "end emergency player save\n";
		2296
		2297	warn "begin emergency map save\n";
		2298	for my $path (keys %cf::MAP) {
		2299	my $map = $cf::MAP{$path} or next;
		2300	$map->valid or next;
		2301	$map->save;
		2302	}
		2303	warn "end emergency map save\n";
		2304	};
		2305
		2306	warn "leave emergency perl save\n";
		2307	}
2011		2308
2012	sub reload() {	2309	sub reload() {
2013	# can/must only be called in main	2310	# can/must only be called in main
2014	if ($Coro::current != $Coro::main) {	2311	if ($Coro::current != $Coro::main) {
2015	warn "can only reload from main coroutine\n";	2312	warn "can only reload from main coroutine";
2016	return;	2313	return;
2017	}	2314	}
2018		2315
2019	warn "reloading...";	2316	warn "reloading...";
2020		2317
2021	my $guard = freeze_mainloop;	2318	warn "cancelling server ticker";
		2319	$TICK_WATCHER->cancel;
		2320
2022	cf::emergency_save;	2321	cf::emergency_save;
2023		2322
2024	eval {	2323	eval {
2025	# if anything goes wrong in here, we should simply crash as we already saved	2324	# if anything goes wrong in here, we should simply crash as we already saved
2026		2325
2027	# cancel all watchers	2326	warn "syncing database to disk";
		2327	cf::db_sync;
		2328
		2329	warn "cancelling all WF_AUTOCANCEL watchers";
2028	for (Event::all_watchers) {	2330	for (Event::all_watchers) {
2029	$_->cancel if $_->data & WF_AUTOCANCEL;	2331	$_->cancel if $_->data & WF_AUTOCANCEL;
2030	}	2332	}
2031		2333
		2334	warn "flushing outstanding aio requests";
		2335	for (;;) {
		2336	IO::AIO::flush;
		2337	Coro::cede;
		2338	last unless IO::AIO::nreqs;
		2339	warn "iterate...";
		2340	}
		2341
2032	# cancel all extension coros	2342	warn "cancelling all extension coros";
2033	$_->cancel for values %EXT_CORO;	2343	$_->cancel for values %EXT_CORO;
2034	%EXT_CORO = ();	2344	%EXT_CORO = ();
2035		2345
2036	# unload all extensions	2346	warn "removing commands";
2037	for (@exts) {	2347	%COMMAND = ();
		2348
		2349	warn "removing ext commands";
		2350	%EXTCMD = ();
		2351
		2352	warn "unloading/nuking all extensions";
		2353	for my $pkg (@EXTS) {
2038	warn "unloading <$_>";	2354	warn "... unloading $pkg";
2039	unload_extension $_;	2355
		2356	if (my $cb = $pkg->can ("unload")) {
		2357	eval {
		2358	$cb->($pkg);
		2359	1
		2360	} or warn "$pkg unloaded, but with errors: $@";
2040	}	2361	}
2041		2362
		2363	warn "... nuking $pkg";
		2364	Symbol::delete_package $pkg;
		2365	}
		2366
2042	# unload all modules loaded from $LIBDIR	2367	warn "unloading all perl modules loaded from $LIBDIR";
2043	while (my ($k, $v) = each %INC) {	2368	while (my ($k, $v) = each %INC) {
2044	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2369	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2045		2370
2046	warn "removing <$k>";	2371	warn "... unloading $k";
2047	delete $INC{$k};	2372	delete $INC{$k};
2048		2373
2049	$k =~ s/\.pm$//;	2374	$k =~ s/\.pm$//;
2050	$k =~ s/\//::/g;	2375	$k =~ s/\//::/g;
2051		2376
…		…
2054	}	2379	}
2055		2380
2056	Symbol::delete_package $k;	2381	Symbol::delete_package $k;
2057	}	2382	}
2058		2383
2059	# sync database to disk
2060	cf::db_sync;
2061	IO::AIO::flush;
2062
2063	# get rid of safe::, as good as possible	2384	warn "getting rid of safe::, as good as possible";
2064	Symbol::delete_package "safe::$_"	2385	Symbol::delete_package "safe::$_"
2065	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2386	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2066		2387
2067	# remove register_script_function callbacks
2068	# TODO
2069
2070	# unload cf.pm "a bit"	2388	warn "unloading cf.pm \"a bit\"";
2071	delete $INC{"cf.pm"};	2389	delete $INC{"cf.pm"};
2072		2390
2073	# don't, removes xs symbols, too,	2391	# don't, removes xs symbols, too,
2074	# and global variables created in xs	2392	# and global variables created in xs
2075	#Symbol::delete_package __PACKAGE__;	2393	#Symbol::delete_package __PACKAGE__;
2076		2394
2077	# reload cf.pm	2395	warn "unload completed, starting to reload now";
		2396
2078	warn "reloading cf.pm";	2397	warn "reloading cf.pm";
2079	require cf;	2398	require cf;
2080	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2399	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2081		2400
2082	# load config and database again	2401	warn "loading config and database again";
2083	cf::cfg_load;	2402	cf::cfg_load;
2084	cf::db_load;	2403	cf::db_load;
2085		2404
2086	# load extensions
2087	warn "load extensions";	2405	warn "loading extensions";
2088	cf::load_extensions;	2406	cf::load_extensions;
2089		2407
2090	# reattach attachments to objects	2408	warn "reattaching attachments to objects/players";
2091	warn "reattach";
2092	_global_reattach;	2409	_global_reattach;
		2410	warn "reattaching attachments to maps";
		2411	reattach $_ for values %MAP;
		2412
		2413	warn "restarting server ticker";
		2414
		2415	$TICK_WATCHER->start;
2093	};	2416	};
2094		2417
2095	if ($@) {	2418	if ($@) {
2096	warn $@;	2419	warn $@;
2097	warn "error while reloading, exiting.";	2420	warn "error while reloading, exiting.";
2098	exit 1;	2421	exit 1;
2099	}	2422	}
2100		2423
2101	warn "reloaded successfully";	2424	warn "reloaded";
2102	};	2425	};
2103		2426
2104	#############################################################################	2427	our $RELOAD_WATCHER; # used only during reload
2105
2106	unless ($LINK_MAP) {
2107	$LINK_MAP = cf::map::new;
2108
2109	$LINK_MAP->width (41);
2110	$LINK_MAP->height (41);
2111	$LINK_MAP->alloc;
2112	$LINK_MAP->path ("{link}");
2113	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2114	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2115
2116	# dirty hack because... archetypes are not yet loaded
2117	Event->timer (
2118	after => 2,
2119	cb => sub {
2120	$_[0]->w->cancel;
2121
2122	# provide some exits "home"
2123	my $exit = cf::object::new "exit";
2124
2125	$exit->slaying ($EMERGENCY_POSITION->[0]);
2126	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2127	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2128
2129	$LINK_MAP->insert ($exit->clone, 19, 19);
2130	$LINK_MAP->insert ($exit->clone, 19, 20);
2131	$LINK_MAP->insert ($exit->clone, 19, 21);
2132	$LINK_MAP->insert ($exit->clone, 20, 19);
2133	$LINK_MAP->insert ($exit->clone, 20, 21);
2134	$LINK_MAP->insert ($exit->clone, 21, 19);
2135	$LINK_MAP->insert ($exit->clone, 21, 20);
2136	$LINK_MAP->insert ($exit->clone, 21, 21);
2137
2138	$exit->destroy;
2139	});
2140
2141	$LINK_MAP->{deny_save} = 1;
2142	$LINK_MAP->{deny_reset} = 1;
2143
2144	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2145	}
2146
2147	register "<global>", __PACKAGE__;
2148		2428
2149	register_command "reload" => sub {	2429	register_command "reload" => sub {
2150	my ($who, $arg) = @_;	2430	my ($who, $arg) = @_;
2151		2431
2152	if ($who->flag (FLAG_WIZ)) {	2432	if ($who->flag (FLAG_WIZ)) {
2153	$who->message ("start of reload.");	2433	$who->message ("reloading server.");
		2434
		2435	# doing reload synchronously and two reloads happen back-to-back,
		2436	# coro crashes during coro_state_free->destroy here.
		2437
		2438	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2154	reload;	2439	reload;
2155	$who->message ("end of reload.");	2440	undef $RELOAD_WATCHER;
		2441	});
2156	}	2442	}
2157	};	2443	};
2158		2444
2159	unshift @INC, $LIBDIR;	2445	unshift @INC, $LIBDIR;
		2446
		2447	my $bug_warning = 0;
2160		2448
2161	$TICK_WATCHER = Event->timer (	2449	$TICK_WATCHER = Event->timer (
2162	reentrant => 0,	2450	reentrant => 0,
		2451	parked => 1,
2163	prio => 0,	2452	prio => 0,
2164	at => $NEXT_TICK || $TICK,	2453	at => $NEXT_TICK || $TICK,
2165	data => WF_AUTOCANCEL,	2454	data => WF_AUTOCANCEL,
2166	cb => sub {	2455	cb => sub {
		2456	if ($Coro::current != $Coro::main) {
		2457	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2458	unless ++$bug_warning > 10;
		2459	return;
		2460	}
		2461
		2462	$NOW = Event::time;
		2463
2167	cf::server_tick; # one server iteration	2464	cf::server_tick; # one server iteration
2168	$RUNTIME += $TICK;	2465	$RUNTIME += $TICK;
2169	$NEXT_TICK += $TICK;	2466	$NEXT_TICK += $TICK;
		2467
		2468	$WAIT_FOR_TICK->broadcast;
		2469	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2170		2470
2171	# if we are delayed by four ticks or more, skip them all	2471	# if we are delayed by four ticks or more, skip them all
2172	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2472	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2173		2473
2174	$TICK_WATCHER->at ($NEXT_TICK);	2474	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2176	},	2476	},
2177	);	2477	);
2178		2478
2179	IO::AIO::max_poll_time $TICK * 0.2;	2479	IO::AIO::max_poll_time $TICK * 0.2;
2180		2480
2181	Event->io (	2481	$AIO_POLL_WATCHER = Event->io (
2182	fd => IO::AIO::poll_fileno,	2482	fd => IO::AIO::poll_fileno,
2183	poll => 'r',	2483	poll => 'r',
2184	prio => 5,	2484	prio => 5,
2185	data => WF_AUTOCANCEL,	2485	data => WF_AUTOCANCEL,
2186	cb => \&IO::AIO::poll_cb,	2486	cb => \&IO::AIO::poll_cb,
2187	);	2487	);
2188		2488
2189	Event->timer (	2489	$WRITE_RUNTIME_WATCHER = Event->timer (
2190	data => WF_AUTOCANCEL,	2490	data => WF_AUTOCANCEL,
2191	after => 0,	2491	after => 1,
2192	interval => 10,	2492	interval => 10,
2193	cb => sub {	2493	prio => 6, # keep it lowest so it acts like a watchdog
2194	(Coro::unblock_sub {	2494	cb => Coro::unblock_sub {
2195	write_runtime	2495	write_runtime
2196	or warn "ERROR: unable to write runtime file: $!";	2496	or warn "ERROR: unable to write runtime file: $!";
2197	})->();
2198	},	2497	},
2199	);	2498	);
2200		2499
2201	END { cf::emergency_save }	2500	END { cf::emergency_save }
2202		2501

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