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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 1.187 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 (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}), $rmp->{custom}
		1142	)
		1143	}
		1144
		1145	=item cf::map->register ($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
1132	}	1268	}
1133		1269
1134	# and all this just because we cannot iterate over	1270	# and all this just because we cannot iterate over
1135	# all maps in C++...	1271	# all maps in C++...
1136	sub change_all_map_light {	1272	sub change_all_map_light {
…		…
1138		1274
1139	$_->change_map_light ($change)	1275	$_->change_map_light ($change)
1140	for grep $_->outdoor, values %cf::MAP;	1276	for grep $_->outdoor, values %cf::MAP;
1141	}	1277	}
1142		1278
		1279	sub unlink_save {
		1280	my ($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
1143	sub try_load_header($) {	1287	sub load_header_from($) {
1144	my ($path) = @_;	1288	my ($self, $path) = @_;
1145		1289
1146	utf8::encode $path;	1290	utf8::encode $path;
1147	aio_open $path, O_RDONLY, 0	1291	aio_open $path, O_RDONLY, 0
1148	or return;	1292	or return;
1149		1293
1150	my $map = cf::map::new	1294	$self->_load_header ($path)
1151	or return;	1295	or return;
1152		1296
1153	# for better error messages only, will be overwritten	1297	$self->{load_path} = $path;
1154	$map->path ($path);
1155		1298
1156	$map->load_header ($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
1157	or return;	1325	or return;
1158		1326
1159	$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	}
1160		1332
1161	$map	1333	1
1162	}	1334	}
1163		1335
1164	sub find;	1336	sub find;
1165	sub find {	1337	sub find {
1166	my ($path, $origin) = @_;	1338	my ($path, $origin) = @_;
1167		1339
1168	#warn "find<$path,$origin>\n";#d#
1169
1170	$path = new cf::path $path, $origin && $origin->path;	1340	$path = normalise $path, $origin && $origin->path;
1171	my $key = $path->as_string;
1172		1341
1173	cf::lock_wait "map_find:$key";	1342	cf::lock_wait "map_find:$path";
1174		1343
1175	$cf::MAP{$key} || do {	1344	$cf::MAP{$path} || do {
1176	my $guard = cf::lock_acquire "map_find:$key";	1345	my $guard = cf::lock_acquire "map_find:$path";
1177		1346	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;	1347	or return;
1197		1348
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;	1349	$map->{last_save} = $cf::RUNTIME;
1210		1350
1211	Coro::cede;	1351	$map->load_header
		1352	or return;
1212		1353
1213	if ($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;
1214	$map->reset;	1357	$map->reset;
1215	undef $guard;	1358	undef $guard;
1216	$map = find $path	1359	$map = find $path
1217	or return;	1360	or return;
1218	}	1361	}
1219		1362
1220	$cf::MAP{$key} = $map	1363	$cf::MAP{$path} = $map
1221	}	1364	}
1222	}	1365	}
1223		1366
1224	sub load {	1367	sub load {
1225	my ($self) = @_;	1368	my ($self) = @_;
1226		1369
1227	my $path = $self->{path};	1370	my $path = $self->{path};
1228	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1371	my $guard = cf::lock_acquire "map_load:$path";
1229		1372
1230	return if $self->in_memory != cf::MAP_SWAPPED;	1373	return if $self->in_memory != cf::MAP_SWAPPED;
1231		1374
1232	$self->in_memory (cf::MAP_LOADING);	1375	$self->in_memory (cf::MAP_LOADING);
1233		1376
1234	$self->alloc;	1377	$self->alloc;
1235	$self->load_objects ($self->{load_path}, 1)	1378	$self->_load_objects ($self->{load_path}, 1)
1236	or return;	1379	or return;
1237		1380
1238	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1381	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1239	if delete $self->{load_original};	1382	if delete $self->{load_original};
1240		1383
1241	if (my $uniq = $path->uniq_path) {	1384	if (my $uniq = $self->uniq_path) {
1242	utf8::encode $uniq;	1385	utf8::encode $uniq;
1243	if (aio_open $uniq, O_RDONLY, 0) {	1386	if (aio_open $uniq, O_RDONLY, 0) {
1244	$self->clear_unique_items;	1387	$self->clear_unique_items;
1245	$self->load_objects ($uniq, 0);	1388	$self->_load_objects ($uniq, 0);
1246	}	1389	}
1247	}	1390	}
1248		1391
1249	Coro::cede;	1392	Coro::cede;
1250		1393
1251	# now do the right thing for maps	1394	# now do the right thing for maps
1252	$self->link_multipart_objects;	1395	$self->link_multipart_objects;
1253		1396
1254	if ($self->{path}->is_style_map) {	1397	unless ($self->{deny_activate}) {
1255	$self->{deny_save} = 1;	1398	$self->decay_objects;
1256	$self->{deny_reset} = 1;
1257	} else {
1258	$self->fix_auto_apply;	1399	$self->fix_auto_apply;
1259	$self->decay_objects;
1260	$self->update_buttons;	1400	$self->update_buttons;
		1401	Coro::cede;
1261	$self->set_darkness_map;	1402	$self->set_darkness_map;
1262	$self->difficulty ($self->estimate_difficulty)	1403	$self->difficulty ($self->estimate_difficulty)
1263	unless $self->difficulty;	1404	unless $self->difficulty;
		1405	Coro::cede;
1264	$self->activate;	1406	$self->activate;
1265	}	1407	}
1266		1408
1267	Coro::cede;
1268
1269	$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	$neigh->load;
		1442	}
1270	}	1443	}
1271		1444
1272	sub find_sync {	1445	sub find_sync {
1273	my ($path, $origin) = @_;	1446	my ($path, $origin) = @_;
1274		1447
1275	cf::sync_job {	1448	cf::sync_job { find $path, $origin }
1276	my $map = cf::map::find $path, $origin;
1277	$map
1278	}
1279	}	1449	}
1280		1450
1281	sub do_load_sync {	1451	sub do_load_sync {
1282	my ($map) = @_;	1452	my ($map) = @_;
1283		1453
1284	cf::sync_job { $map->load };	1454	cf::sync_job { $map->load };
1285	}	1455	}
1286		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 $MAP_PREFETCHER;
		1481	};
		1482
		1483	()
		1484	}
		1485
1287	sub save {	1486	sub save {
1288	my ($self) = @_;	1487	my ($self) = @_;
1289		1488
1290	my $lock = cf::lock_acquire "map_data:" . $self->path;	1489	my $lock = cf::lock_acquire "map_data:" . $self->path;
1291		1490
1292	$self->{last_save} = $cf::RUNTIME;	1491	$self->{last_save} = $cf::RUNTIME;
1293		1492
1294	return unless $self->dirty;	1493	return unless $self->dirty;
1295		1494
1296	my $save = $self->{path}->save_path; utf8::encode $save;	1495	my $save = $self->save_path; utf8::encode $save;
1297	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1496	my $uniq = $self->uniq_path; utf8::encode $uniq;
1298		1497
1299	$self->{load_path} = $save;	1498	$self->{load_path} = $save;
1300		1499
1301	return if $self->{deny_save};	1500	return if $self->{deny_save};
1302		1501
1303	local $self->{last_access} = $self->last_access;#d#	1502	local $self->{last_access} = $self->last_access;#d#
1304		1503
		1504	cf::async {
		1505	$_->contr->save for $self->players;
		1506	};
		1507
1305	if ($uniq) {	1508	if ($uniq) {
1306	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1509	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1307	$self->save_objects ($uniq, cf::IO_UNIQUES);	1510	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1308	} else {	1511	} else {
1309	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1512	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1310	}	1513	}
1311	}	1514	}
1312		1515
1313	sub swap_out {	1516	sub swap_out {
1314	my ($self) = @_;	1517	my ($self) = @_;
…		…
1328		1531
1329	sub reset_at {	1532	sub reset_at {
1330	my ($self) = @_;	1533	my ($self) = @_;
1331		1534
1332	# TODO: safety, remove and allow resettable per-player maps	1535	# TODO: safety, remove and allow resettable per-player maps
1333	return 1e99 if $self->{path}{user_rel};	1536	return 1e99 if $self->isa ("ext::map_per_player");#d#
1334	return 1e99 if $self->{deny_reset};	1537	return 1e99 if $self->{deny_reset};
1335		1538
1336	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1539	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1337	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1540	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1338		1541
…		…
1343	my ($self) = @_;	1546	my ($self) = @_;
1344		1547
1345	$self->reset_at <= $cf::RUNTIME	1548	$self->reset_at <= $cf::RUNTIME
1346	}	1549	}
1347		1550
1348	sub unlink_save {
1349	my ($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	$self->save;
1367	}
1368
1369	sub reset {	1551	sub reset {
1370	my ($self) = @_;	1552	my ($self) = @_;
1371		1553
1372	my $lock = cf::lock_acquire "map_data:" . $self->path;	1554	my $lock = cf::lock_acquire "map_data:$self->{path}";
1373		1555
1374	return if $self->players;	1556	return if $self->players;
1375	return if $self->{path}{user_rel};#d#	1557	return if $self->isa ("ext::map_per_player");#d#
1376		1558
1377	warn "resetting map ", $self->path;#d#	1559	warn "resetting map ", $self->path;#d#
1378		1560
1379	delete $cf::MAP{$self->path};	1561	delete $cf::MAP{$self->path};
		1562
		1563	$self->in_memory (cf::MAP_SWAPPED);
		1564	$self->clear;
1380		1565
1381	$_->clear_links_to ($self) for values %cf::MAP;	1566	$_->clear_links_to ($self) for values %cf::MAP;
1382		1567
1383	$self->unlink_save;	1568	$self->unlink_save;
1384	$self->destroy;	1569	$self->destroy;
…		…
1387	my $nuke_counter = "aaaa";	1572	my $nuke_counter = "aaaa";
1388		1573
1389	sub nuke {	1574	sub nuke {
1390	my ($self) = @_;	1575	my ($self) = @_;
1391		1576
		1577	delete $cf::MAP{$self->path};
		1578
		1579	$self->unlink_save;
		1580
		1581	bless $self, "cf::map";
		1582	delete $self->{deny_reset};
1392	$self->{deny_save} = 1;	1583	$self->{deny_save} = 1;
1393	$self->reset_timeout (1);	1584	$self->reset_timeout (1);
1394	$self->rename ("{nuke}/" . ($nuke_counter++));	1585	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1586
		1587	$cf::MAP{$self->path} = $self;
		1588
1395	$self->reset; # polite request, might not happen	1589	$self->reset; # polite request, might not happen
1396	}	1590	}
1397		1591
1398	sub customise_for {	1592	=item cf::map::unique_maps
1399	my ($map, $ob) = @_;
1400		1593
1401	if ($map->per_player) {	1594	Returns an arrayref of paths of all shared maps that have
1402	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1595	instantiated unique items. May block.
1403	}
1404		1596
1405	$map	1597	=cut
1406	}
1407		1598
1408	sub emergency_save {	1599	sub unique_maps() {
1409	my $freeze_guard = cf::freeze_mainloop;	1600	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1601	or return;
1410		1602
1411	warn "enter emergency map save\n";	1603	my @paths;
1412		1604
1413	cf::sync_job {	1605	for (@$files) {
1414	warn "begin emergency map save\n";	1606	utf8::decode $_;
1415	$_->save for values %cf::MAP;	1607	next if /\.pst$/;
		1608	next unless /^$PATH_SEP/o;
		1609
		1610	s/\.map$//;
		1611	push @paths, $_;
1416	};	1612	}
1417		1613
1418	warn "end emergency map save\n";	1614	\@paths
1419	}	1615	}
1420		1616
1421	package cf;	1617	package cf;
1422		1618
1423	=back	1619	=back
1424		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
1425		1647
1426	=head3 cf::object::player	1648	=head3 cf::object::player
1427		1649
1428	=over 4	1650	=over 4
1429		1651
…		…
1469		1691
1470	=item $player_object->enter_link	1692	=item $player_object->enter_link
1471		1693
1472	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}>).
1473		1695
1474	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
1475	I<MUST> call C<leave_link> as soon as possible, though.	1697	I<MUST> call C<leave_link> as soon as possible, though.
1476		1698
		1699	Will never block.
		1700
1477	=item $player_object->leave_link ($map, $x, $y)	1701	=item $player_object->leave_link ($map, $x, $y)
1478		1702
1479	Moves the player out of the specila link map onto the given map. If the	1703	Moves the player out of the special C<{link}> map onto the specified
1480	map is not valid (or omitted), the player will be moved back to the	1704	map. If the map is not valid (or omitted), the player will be moved back
1481	location he/she was before the call to C<enter_link>, or, if that fails,	1705	to the location he/she was before the call to C<enter_link>, or, if that
1482	to the emergency map position.	1706	fails, to the emergency map position.
1483		1707
1484	Might block.	1708	Might block.
1485		1709
1486	=cut	1710	=cut
		1711
		1712	sub link_map {
		1713	unless ($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	$LINK_MAP
		1720	}
1487		1721
1488	sub cf::object::player::enter_link {	1722	sub cf::object::player::enter_link {
1489	my ($self) = @_;	1723	my ($self) = @_;
1490		1724
1491	$self->deactivate_recursive;	1725	$self->deactivate_recursive;
1492		1726
1493	return if $self->map == $LINK_MAP;	1727	return if UNIVERSAL::isa $self->map, "ext::map_link";
1494		1728
1495	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1729	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1496	if $self->map;	1730	if $self->map;
1497		1731
1498	$self->enter_map ($LINK_MAP, 20, 20);	1732	$self->enter_map ($LINK_MAP || link_map, 20, 20);
1499	}	1733	}
1500		1734
1501	sub cf::object::player::leave_link {	1735	sub cf::object::player::leave_link {
1502	my ($self, $map, $x, $y) = @_;	1736	my ($self, $map, $x, $y) = @_;
1503		1737
…		…
1521	# use -1 or undef as default coordinates, not 0, 0	1755	# use -1 or undef as default coordinates, not 0, 0
1522	($x, $y) = ($map->enter_x, $map->enter_y)	1756	($x, $y) = ($map->enter_x, $map->enter_y)
1523	if $x <=0 && $y <= 0;	1757	if $x <=0 && $y <= 0;
1524		1758
1525	$map->load;	1759	$map->load;
		1760	$map->load_diag;
1526		1761
		1762	return unless $self->contr->active;
1527	$self->activate_recursive;	1763	$self->activate_recursive;
1528	$self->enter_map ($map, $x, $y);	1764	$self->enter_map ($map, $x, $y);
1529	}	1765	}
1530		1766
1531	cf::player->attach (	1767	cf::player->attach (
…		…
1543	my ($pl) = @_;	1779	my ($pl) = @_;
1544		1780
1545	# try to abort aborted map switching on player login :)	1781	# try to abort aborted map switching on player login :)
1546	# should happen only on crashes	1782	# should happen only on crashes
1547	if ($pl->ob->{_link_pos}) {	1783	if ($pl->ob->{_link_pos}) {
1548
1549	$pl->ob->enter_link;	1784	$pl->ob->enter_link;
1550	(Coro::async_pool {	1785	(async {
1551	# 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
1552	# 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);
1553	Coro::Timer::sleep 1;	1792	Coro::Timer::sleep 1;
1554	$pl->ob->leave_link;	1793	$pl->ob->leave_link;
1555	})->prio (2);	1794	})->prio (2);
1556	}	1795	}
1557	},	1796	},
…		…
1564	sub cf::object::player::goto {	1803	sub cf::object::player::goto {
1565	my ($self, $path, $x, $y) = @_;	1804	my ($self, $path, $x, $y) = @_;
1566		1805
1567	$self->enter_link;	1806	$self->enter_link;
1568		1807
1569	(Coro::async_pool {	1808	(async {
1570	$path = new cf::path $path;
1571
1572	my $map = cf::map::find $path->as_string;	1809	my $map = cf::map::find $path;
1573	$map = $map->customise_for ($self) if $map;	1810	$map = $map->customise_for ($self) if $map;
1574		1811
1575	# warn "entering ", $map->path, " at ($x, $y)\n"	1812	# warn "entering ", $map->path, " at ($x, $y)\n"
1576	# if $map;	1813	# if $map;
1577		1814
1578	$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);
1579		1816
1580	$self->leave_link ($map, $x, $y);	1817	$self->leave_link ($map, $x, $y);
1581	})->prio (1);	1818	})->prio (1);
1582	}	1819	}
1583		1820
…		…
1587		1824
1588	sub parse_random_map_params {	1825	sub parse_random_map_params {
1589	my ($spec) = @_;	1826	my ($spec) = @_;
1590		1827
1591	my $rmp = { # defaults	1828	my $rmp = { # defaults
1592	xsize => 10,	1829	xsize => (cf::rndm 15, 40),
1593	ysize => 10,	1830	ysize => (cf::rndm 15, 40),
		1831	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1832	#layout => string,
1594	};	1833	};
1595		1834
1596	for (split /\n/, $spec) {	1835	for (split /\n/, $spec) {
1597	my ($k, $v) = split /\s+/, $_, 2;	1836	my ($k, $v) = split /\s+/, $_, 2;
1598		1837
…		…
1602	$rmp	1841	$rmp
1603	}	1842	}
1604		1843
1605	sub prepare_random_map {	1844	sub prepare_random_map {
1606	my ($exit) = @_;	1845	my ($exit) = @_;
		1846
		1847	my $guard = cf::lock_acquire "exit_prepare:$exit";
1607		1848
1608	# all this does is basically replace the /! path by	1849	# all this does is basically replace the /! path by
1609	# a new random map path (?random/...) with a seed	1850	# a new random map path (?random/...) with a seed
1610	# that depends on the exit object	1851	# that depends on the exit object
1611		1852
…		…
1620		1861
1621	$rmp->{random_seed} ||= $exit->random_seed;	1862	$rmp->{random_seed} ||= $exit->random_seed;
1622		1863
1623	my $data = cf::to_json $rmp;	1864	my $data = cf::to_json $rmp;
1624	my $md5 = Digest::MD5::md5_hex $data;	1865	my $md5 = Digest::MD5::md5_hex $data;
		1866	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1625		1867
1626	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) {
1627	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;
1628		1872
1629	$exit->slaying ("?random/$md5");	1873	$exit->slaying ("?random/$md5");
1630	$exit->msg (undef);	1874	$exit->msg (undef);
1631	}	1875	}
1632	}	1876	}
…		…
1636		1880
1637	return unless $self->type == cf::PLAYER;	1881	return unless $self->type == cf::PLAYER;
1638		1882
1639	$self->enter_link;	1883	$self->enter_link;
1640		1884
1641	(Coro::async_pool {	1885	(async {
1642	$self->deactivate_recursive; # just to be sure	1886	$self->deactivate_recursive; # just to be sure
1643	unless (eval {	1887	unless (eval {
1644	prepare_random_map $exit	1888	prepare_random_map $exit
1645	if $exit->slaying eq "/!";	1889	if $exit->slaying eq "/!";
1646		1890
1647	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;
1648	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	1892	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1649		1893
1650	1;	1894	1;
1651	}) {	1895	}) {
1652	$self->message ("Something went wrong deep within the crossfire server. "	1896	$self->message ("Something went wrong deep within the crossfire server. "
1653	. "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. "
1654	. "Please report this to the dungeon master",	1898	. "Please report this to the dungeon master!",
1655	cf::NDI_UNIQUE | cf::NDI_RED);	1899	cf::NDI_UNIQUE | cf::NDI_RED);
1656		1900
1657	warn "ERROR in enter_exit: $@";	1901	warn "ERROR in enter_exit: $@";
1658	$self->leave_link;	1902	$self->leave_link;
1659	}	1903	}
…		…
1727	}	1971	}
1728	}	1972	}
1729	},	1973	},
1730	);	1974	);
1731		1975
1732	=item $client->coro (\&cb)	1976	=item $client->async (\&cb)
1733		1977
1734	Create a new coroutine, running the specified callback. The coroutine will	1978	Create a new coroutine, running the specified callback. The coroutine will
1735	be automatically cancelled when the client gets destroyed (e.g. on logout,	1979	be automatically cancelled when the client gets destroyed (e.g. on logout,
1736	or loss of connection).	1980	or loss of connection).
1737		1981
1738	=cut	1982	=cut
1739		1983
1740	sub cf::client::coro {	1984	sub cf::client::async {
1741	my ($self, $cb) = @_;	1985	my ($self, $cb) = @_;
1742		1986
1743	my $coro = &Coro::async_pool ($cb);	1987	my $coro = &Coro::async ($cb);
1744		1988
1745	$coro->on_destroy (sub {	1989	$coro->on_destroy (sub {
1746	delete $self->{_coro}{$coro+0};	1990	delete $self->{_coro}{$coro+0};
1747	});	1991	});
1748		1992
…		…
1942	sub db_sync() {	2186	sub db_sync() {
1943	db_save if $dirty;	2187	db_save if $dirty;
1944	undef $dirty;	2188	undef $dirty;
1945	}	2189	}
1946		2190
1947	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 {
1948	db_sync;	2192	db_sync;
1949	});	2193	});
1950		2194
1951	sub db_dirty() {	2195	sub db_dirty() {
1952	$dirty = 1;	2196	$dirty = 1;
…		…
1991	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2235	$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};	2236	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
1993		2237
1994	if (exists $CFG{mlockall}) {	2238	if (exists $CFG{mlockall}) {
1995	eval {	2239	eval {
1996	$CFG{mlockall} ? &mlockall : &munlockall	2240	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1997	and die "WARNING: m(un)lockall failed: $!\n";	2241	and die "WARNING: m(un)lockall failed: $!\n";
1998	};	2242	};
1999	warn $@ if $@;	2243	warn $@ if $@;
2000	}	2244	}
2001	}	2245	}
2002		2246
2003	sub main {	2247	sub main {
2004	# we must not ever block the main coroutine	2248	# we must not ever block the main coroutine
2005	local $Coro::idle = sub {	2249	local $Coro::idle = sub {
2006	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#
2007	Coro::async_pool { Event::one_event };	2251	(async {
		2252	Event::one_event;
		2253	})->prio (Coro::PRIO_MAX);
2008	};	2254	};
2009		2255
2010	cfg_load;	2256	cfg_load;
2011	db_load;	2257	db_load;
2012	load_extensions;	2258	load_extensions;
		2259
		2260	$TICK_WATCHER->start;
2013	Event::loop;	2261	Event::loop;
2014	}	2262	}
2015		2263
2016	#############################################################################	2264	#############################################################################
2017	# 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	$map->save;
		2302	}
		2303	warn "end emergency map save\n";
		2304	};
		2305
		2306	warn "leave emergency perl save\n";
		2307	}
2018		2308
2019	sub reload() {	2309	sub reload() {
2020	# can/must only be called in main	2310	# can/must only be called in main
2021	if ($Coro::current != $Coro::main) {	2311	if ($Coro::current != $Coro::main) {
2022	warn "can only reload from main coroutine\n";	2312	warn "can only reload from main coroutine";
2023	return;	2313	return;
2024	}	2314	}
2025		2315
2026	warn "reloading...";	2316	warn "reloading...";
2027		2317
2028	my $guard = freeze_mainloop;	2318	warn "cancelling server ticker";
		2319	$TICK_WATCHER->cancel;
		2320
2029	cf::emergency_save;	2321	cf::emergency_save;
2030		2322
2031	eval {	2323	eval {
2032	# 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
2033		2325
2034	# cancel all watchers	2326	warn "syncing database to disk";
		2327	cf::db_sync;
		2328
		2329	warn "cancelling all WF_AUTOCANCEL watchers";
2035	for (Event::all_watchers) {	2330	for (Event::all_watchers) {
2036	$_->cancel if $_->data & WF_AUTOCANCEL;	2331	$_->cancel if $_->data & WF_AUTOCANCEL;
2037	}	2332	}
2038		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
2039	# cancel all extension coros	2342	warn "cancelling all extension coros";
2040	$_->cancel for values %EXT_CORO;	2343	$_->cancel for values %EXT_CORO;
2041	%EXT_CORO = ();	2344	%EXT_CORO = ();
2042		2345
2043	# unload all extensions	2346	warn "removing commands";
2044	for (@exts) {	2347	%COMMAND = ();
		2348
		2349	warn "removing ext commands";
		2350	%EXTCMD = ();
		2351
		2352	warn "unloading/nuking all extensions";
		2353	for my $pkg (@EXTS) {
2045	warn "unloading <$_>";	2354	warn "... unloading $pkg";
2046	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: $@";
2047	}	2361	}
2048		2362
		2363	warn "... nuking $pkg";
		2364	Symbol::delete_package $pkg;
		2365	}
		2366
2049	# unload all modules loaded from $LIBDIR	2367	warn "unloading all perl modules loaded from $LIBDIR";
2050	while (my ($k, $v) = each %INC) {	2368	while (my ($k, $v) = each %INC) {
2051	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2369	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2052		2370
2053	warn "removing <$k>";	2371	warn "... unloading $k";
2054	delete $INC{$k};	2372	delete $INC{$k};
2055		2373
2056	$k =~ s/\.pm$//;	2374	$k =~ s/\.pm$//;
2057	$k =~ s/\//::/g;	2375	$k =~ s/\//::/g;
2058		2376
…		…
2061	}	2379	}
2062		2380
2063	Symbol::delete_package $k;	2381	Symbol::delete_package $k;
2064	}	2382	}
2065		2383
2066	# sync database to disk
2067	cf::db_sync;
2068	IO::AIO::flush;
2069
2070	# get rid of safe::, as good as possible	2384	warn "getting rid of safe::, as good as possible";
2071	Symbol::delete_package "safe::$_"	2385	Symbol::delete_package "safe::$_"
2072	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);
2073		2387
2074	# remove register_script_function callbacks
2075	# TODO
2076
2077	# unload cf.pm "a bit"	2388	warn "unloading cf.pm \"a bit\"";
2078	delete $INC{"cf.pm"};	2389	delete $INC{"cf.pm"};
2079		2390
2080	# don't, removes xs symbols, too,	2391	# don't, removes xs symbols, too,
2081	# and global variables created in xs	2392	# and global variables created in xs
2082	#Symbol::delete_package __PACKAGE__;	2393	#Symbol::delete_package __PACKAGE__;
2083		2394
2084	# reload cf.pm	2395	warn "unload completed, starting to reload now";
		2396
2085	warn "reloading cf.pm";	2397	warn "reloading cf.pm";
2086	require cf;	2398	require cf;
2087	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2399	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2088		2400
2089	# load config and database again	2401	warn "loading config and database again";
2090	cf::cfg_load;	2402	cf::cfg_load;
2091	cf::db_load;	2403	cf::db_load;
2092		2404
2093	# load extensions
2094	warn "load extensions";	2405	warn "loading extensions";
2095	cf::load_extensions;	2406	cf::load_extensions;
2096		2407
2097	# reattach attachments to objects	2408	warn "reattaching attachments to objects/players";
2098	warn "reattach";
2099	_global_reattach;	2409	_global_reattach;
		2410	warn "reattaching attachments to maps";
		2411	reattach $_ for values %MAP;
		2412
		2413	warn "restarting server ticker";
		2414
		2415	$TICK_WATCHER->start;
2100	};	2416	};
2101		2417
2102	if ($@) {	2418	if ($@) {
2103	warn $@;	2419	warn $@;
2104	warn "error while reloading, exiting.";	2420	warn "error while reloading, exiting.";
2105	exit 1;	2421	exit 1;
2106	}	2422	}
2107		2423
2108	warn "reloaded successfully";	2424	warn "reloaded";
2109	};	2425	};
2110		2426
2111	#############################################################################	2427	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} = $LINK_MAP;
2152	}
2153
2154	register "<global>", __PACKAGE__;
2155		2428
2156	register_command "reload" => sub {	2429	register_command "reload" => sub {
2157	my ($who, $arg) = @_;	2430	my ($who, $arg) = @_;
2158		2431
2159	if ($who->flag (FLAG_WIZ)) {	2432	if ($who->flag (FLAG_WIZ)) {
2160	$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 {
2161	reload;	2439	reload;
2162	$who->message ("end of reload.");	2440	undef $RELOAD_WATCHER;
		2441	});
2163	}	2442	}
2164	};	2443	};
2165		2444
2166	unshift @INC, $LIBDIR;	2445	unshift @INC, $LIBDIR;
		2446
		2447	my $bug_warning = 0;
2167		2448
2168	$TICK_WATCHER = Event->timer (	2449	$TICK_WATCHER = Event->timer (
2169	reentrant => 0,	2450	reentrant => 0,
		2451	parked => 1,
2170	prio => 0,	2452	prio => 0,
2171	at => $NEXT_TICK || $TICK,	2453	at => $NEXT_TICK || $TICK,
2172	data => WF_AUTOCANCEL,	2454	data => WF_AUTOCANCEL,
2173	cb => sub {	2455	cb => sub {
		2456	if ($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
2174	cf::server_tick; # one server iteration	2464	cf::server_tick; # one server iteration
2175	$RUNTIME += $TICK;	2465	$RUNTIME += $TICK;
2176	$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;
2177		2470
2178	# 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
2179	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2472	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2180		2473
2181	$TICK_WATCHER->at ($NEXT_TICK);	2474	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2183	},	2476	},
2184	);	2477	);
2185		2478
2186	IO::AIO::max_poll_time $TICK * 0.2;	2479	IO::AIO::max_poll_time $TICK * 0.2;
2187		2480
2188	Event->io (	2481	$AIO_POLL_WATCHER = Event->io (
2189	fd => IO::AIO::poll_fileno,	2482	fd => IO::AIO::poll_fileno,
2190	poll => 'r',	2483	poll => 'r',
2191	prio => 5,	2484	prio => 5,
2192	data => WF_AUTOCANCEL,	2485	data => WF_AUTOCANCEL,
2193	cb => \&IO::AIO::poll_cb,	2486	cb => \&IO::AIO::poll_cb,
2194	);	2487	);
2195		2488
2196	Event->timer (	2489	$WRITE_RUNTIME_WATCHER = Event->timer (
2197	data => WF_AUTOCANCEL,	2490	data => WF_AUTOCANCEL,
2198	after => 0,	2491	after => 1,
2199	interval => 10,	2492	interval => 10,
2200	cb => sub {	2493	prio => 6, # keep it lowest so it acts like a watchdog
2201	(Coro::unblock_sub {	2494	cb => Coro::unblock_sub {
2202	write_runtime	2495	write_runtime
2203	or warn "ERROR: unable to write runtime file: $!";	2496	or warn "ERROR: unable to write runtime file: $!";
2204	})->();
2205	},	2497	},
2206	);	2498	);
2207		2499
2208	END { cf::emergency_save }	2500	END { cf::emergency_save }
2209		2501

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