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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 1.199 by root, Mon Jan 29 14:46:01 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3 ();	13	use Coro 3.5 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use Data::Dumper;
20	use Digest::MD5;	21	use Digest::MD5;
21	use Fcntl;	22	use Fcntl;
22	use IO::AIO 2.31 ();	23	use IO::AIO 2.32 ();
23	use YAML::Syck ();	24	use YAML::Syck ();
24	use Time::HiRes;	25	use Time::HiRes;
25		26
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	27	use Event; $Event::Eval = 1; # no idea why this is required, but it is
27		28
		29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		30
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	32	$YAML::Syck::ImplicitUnicode = 1;
30		33
31	$Coro::main->prio (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;
		87
		88	sub cf::map::normalise;
76		89
77	#############################################################################	90	#############################################################################
78		91
79	=head2 GLOBAL VARIABLES	92	=head2 GLOBAL VARIABLES
80		93
…		…
104		117
105	=item %cf::CFG	118	=item %cf::CFG
106		119
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	120	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	121	from wherever your confdir points to.
		122
		123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		124
		125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		127	processing has been done. Call C<< ->wait >> on them to maximise the
		128	window of cpu time available, or simply to synchronise to the server tick.
109		129
110	=back	130	=back
111		131
112	=cut	132	=cut
113		133
…		…
117	utf8::encode $msg;	137	utf8::encode $msg;
118		138
119	$msg .= "\n"	139	$msg .= "\n"
120	unless $msg =~ /\n$/;	140	unless $msg =~ /\n$/;
121		141
122	LOG llevError, "cfperl: $msg";	142	LOG llevError, $msg;
123	};	143	};
124	}	144	}
125		145
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		165
146	$Event::DIED = sub {	166	$Event::DIED = sub {
147	warn "error in event callback: @_";	167	warn "error in event callback: @_";
148	};	168	};
149		169
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	170	=head2 UTILITY FUNCTIONS
155		171
156	=over 4	172	=over 4
157		173
		174	=item dumpval $ref
		175
158	=cut	176	=cut
		177
		178	sub dumpval {
		179	eval {
		180	local $SIG{__DIE__};
		181	my $d;
		182	if (1) {
		183	$d = new Data::Dumper([$_[0]], ["*var"]);
		184	$d->Terse(1);
		185	$d->Indent(2);
		186	$d->Quotekeys(0);
		187	$d->Useqq(1);
		188	#$d->Bless(...);
		189	$d->Seen($_[1]) if @_ > 1;
		190	$d = $d->Dump();
		191	}
		192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		193	$d
		194	} || "[unable to dump $_[0]: '$@']";
		195	}
159		196
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	197	use JSON::Syck (); # TODO# replace by JSON::PC once working
161		198
162	=item $ref = cf::from_json $json	199	=item $ref = cf::from_json $json
163		200
…		…
224	}	261	}
225		262
226	sub freeze_mainloop {	263	sub freeze_mainloop {
227	return unless $TICK_WATCHER->is_active;	264	return unless $TICK_WATCHER->is_active;
228		265
229	my $guard = Coro::guard { $TICK_WATCHER->start };	266	my $guard = Coro::guard {
		267	$TICK_WATCHER->start;
		268	$WRITE_RUNTIME_WATCHER->start;
		269	};
		270	$WRITE_RUNTIME_WATCHER->stop;
230	$TICK_WATCHER->stop;	271	$TICK_WATCHER->stop;
231	$guard	272	$guard
232	}	273	}
		274
		275	=item cf::async { BLOCK }
		276
		277	Currently the same as Coro::async_pool, meaning you cannot use
		278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		279	thing you are allowed to do is call C<prio> on it.
		280
		281	=cut
		282
		283	BEGIN { *async = \&Coro::async_pool }
233		284
234	=item cf::sync_job { BLOCK }	285	=item cf::sync_job { BLOCK }
235		286
236	The design of crossfire+ requires that the main coro ($Coro::main) is	287	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	288	always able to handle events or runnable, as crossfire+ is only partly
…		…
256	my $freeze_guard = freeze_mainloop;	307	my $freeze_guard = freeze_mainloop;
257		308
258	my $busy = 1;	309	my $busy = 1;
259	my @res;	310	my @res;
260		311
261	(Coro::async_pool {	312	(async {
262	@res = eval { $job->() };	313	@res = eval { $job->() };
263	warn $@ if $@;	314	warn $@ if $@;
264	undef $busy;	315	undef $busy;
265	})->prio (Coro::PRIO_MAX);	316	})->prio (Coro::PRIO_MAX);
266		317
267	while ($busy) {	318	while ($busy) {
268	Coro::cede_notself;	319	Coro::cede or Event::one_event;
269	Event::one_event unless Coro::nready;
270	}	320	}
271		321
272	wantarray ? @res : $res[0]	322	wantarray ? @res : $res[0]
273	} else {	323	} else {
274	# we are in another coroutine, how wonderful, everything just works	324	# we are in another coroutine, how wonderful, everything just works
275		325
276	$job->()	326	$job->()
277	}	327	}
278	}	328	}
279		329
280	=item $coro = cf::coro { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
281		331
282	Creates (and readies) and returns a new coro. This coro is automcatially	332	Like async, but this coro is automatically being canceled when the
283	being canceled when the extension calling this is being unloaded.	333	extension calling this is being unloaded.
284		334
285	=cut	335	=cut
286		336
287	sub coro(&) {	337	sub async_ext(&) {
288	my $cb = shift;	338	my $cb = shift;
289		339
290	my $coro = &Coro::async_pool ($cb);	340	my $coro = &Coro::async ($cb);
291		341
292	$coro->on_destroy (sub {	342	$coro->on_destroy (sub {
293	delete $EXT_CORO{$coro+0};	343	delete $EXT_CORO{$coro+0};
294	});	344	});
295	$EXT_CORO{$coro+0} = $coro;	345	$EXT_CORO{$coro+0} = $coro;
…		…
301	my $runtime = cf::localdir . "/runtime";	351	my $runtime = cf::localdir . "/runtime";
302		352
303	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
304	or return;	354	or return;
305		355
		356	my $value = $cf::RUNTIME + 90 + 10;
306	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	357	# 10 is the runtime save interval, for a monotonic clock
		358	# 60 allows for the watchdog to kill the server.
		359
307	(aio_write $fh, 0, (length $value), $value, 0) <= 0	360	(aio_write $fh, 0, (length $value), $value, 0) <= 0
308	and return;	361	and return;
309		362
310	aio_fsync $fh	363	aio_fsync $fh
311	and return;	364	and return;
…		…
320	}	373	}
321		374
322	=back	375	=back
323		376
324	=cut	377	=cut
325
326	#############################################################################
327
328	package cf::path;
329
330	sub new {
331	my ($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		378
446	#############################################################################	379	#############################################################################
447		380
448	=head2 ATTACHABLE OBJECTS	381	=head2 ATTACHABLE OBJECTS
449		382
…		…
575	our @CB_TYPE = (); # registry for type (cf-object class) based events	508	our @CB_TYPE = (); # registry for type (cf-object class) based events
576	our @CB_MAP = ();	509	our @CB_MAP = ();
577		510
578	my %attachment;	511	my %attachment;
579		512
		513	sub cf::attachable::thawer_merge {
		514	# simply override everything except _meta
		515	local $_[0]{_meta};
		516	%{$_[0]} = %{$_[1]};
		517	}
		518
580	sub _attach_cb($$$$) {	519	sub _attach_cb($$$$) {
581	my ($registry, $event, $prio, $cb) = @_;	520	my ($registry, $event, $prio, $cb) = @_;
582		521
583	use sort 'stable';	522	use sort 'stable';
584		523
…		…
755	# object support	694	# object support
756		695
757	sub reattach {	696	sub reattach {
758	# basically do the same as instantiate, without calling instantiate	697	# basically do the same as instantiate, without calling instantiate
759	my ($obj) = @_;	698	my ($obj) = @_;
		699
		700	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
760		701
761	my $registry = $obj->registry;	702	my $registry = $obj->registry;
762		703
763	@$registry = ();	704	@$registry = ();
764		705
…		…
896	=cut	837	=cut
897		838
898	sub register_extcmd {	839	sub register_extcmd {
899	my ($name, $cb) = @_;	840	my ($name, $cb) = @_;
900		841
901	my $caller = caller;
902	#warn "registering extcmd '$name' to '$caller'";
903
904	$EXTCMD{$name} = [$cb, $caller];	842	$EXTCMD{$name} = $cb;
905	}	843	}
906		844
907	cf::player->attach (	845	cf::player->attach (
908	on_command => sub {	846	on_command => sub {
909	my ($pl, $name, $params) = @_;	847	my ($pl, $name, $params) = @_;
…		…
922		860
923	my $msg = eval { from_json $buf };	861	my $msg = eval { from_json $buf };
924		862
925	if (ref $msg) {	863	if (ref $msg) {
926	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	864	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
927	if (my %reply = $cb->[0]->($pl, $msg)) {	865	if (my %reply = $cb->($pl, $msg)) {
928	$pl->ext_reply ($msg->{msgid}, %reply);	866	$pl->ext_reply ($msg->{msgid}, %reply);
929	}	867	}
930	}	868	}
931	} else {	869	} else {
932	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	870	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
934		872
935	cf::override;	873	cf::override;
936	},	874	},
937	);	875	);
938		876
939	sub register {
940	my ($base, $pkg) = @_;
941
942	#TODO
943	}
944
945	sub load_extension {	877	sub load_extension {
946	my ($path) = @_;	878	my ($path) = @_;
947		879
948	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	880	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
949	my $base = $1;	881	my $base = $1;
950	my $pkg = $1;	882	my $pkg = $1;
951	$pkg =~ s/[^[:word:]]/_/g;	883	$pkg =~ s/[^[:word:]]/_/g;
952	$pkg = "ext::$pkg";	884	$pkg = "ext::$pkg";
953		885
954	warn "loading '$path' into '$pkg'\n";	886	warn "... loading '$path' into '$pkg'\n";
955		887
956	open my $fh, "<:utf8", $path	888	open my $fh, "<:utf8", $path
957	or die "$path: $!";	889	or die "$path: $!";
958		890
959	my $source =	891	my $source =
960	"package $pkg; use strict; use utf8;\n"	892	"package $pkg; use strict; use utf8;\n"
961	. "#line 1 \"$path\"\n{\n"	893	. "#line 1 \"$path\"\n{\n"
962	. (do { local $/; <$fh> })	894	. (do { local $/; <$fh> })
963	. "\n};\n1";	895	. "\n};\n1";
964		896
965	eval $source	897	unless (eval $source) {
966	or die $@ ? "$path: $@\n"	898	my $msg = $@ ? "$path: $@\n"
967	: "extension disabled.\n";	899	: "extension disabled.\n";
968		900	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
969	push @exts, $pkg;	901	warn $@;
970	$ext_pkg{$base} = $pkg;	902	warn "mandatory extension failed to load, exiting.\n";
971		903	exit 1;
972	# no strict 'refs';	904	}
973	# @{"$pkg\::ISA"} = ext::;	905	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	# }	906	}
988		907
989	# remove commands	908	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	}	909	}
1014		910
1015	sub load_extensions {	911	sub load_extensions {
1016	for my $ext (<$LIBDIR/*.ext>) {	912	for my $ext (<$LIBDIR/*.ext>) {
1017	next unless -r $ext;	913	next unless -r $ext;
…		…
1021	} or warn "$ext not loaded: $@";	917	} or warn "$ext not loaded: $@";
1022	}	918	}
1023	}	919	}
1024		920
1025	#############################################################################	921	#############################################################################
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		922
1063	=head2 CORE EXTENSIONS	923	=head2 CORE EXTENSIONS
1064		924
1065	Functions and methods that extend core crossfire objects.	925	Functions and methods that extend core crossfire objects.
1066		926
		927	=cut
		928
		929	package cf::player;
		930
		931	use Coro::AIO;
		932
1067	=head3 cf::player	933	=head3 cf::player
1068		934
1069	=over 4	935	=over 4
1070		936
1071	=item cf::player::exists $login	937	=item cf::player::find $login
1072		938
1073	Returns true when the given account exists.	939	Returns the given player object, loading it if necessary (might block).
1074		940
1075	=cut	941	=cut
1076		942
1077	sub cf::player::exists($) {	943	sub playerdir($) {
1078	cf::player::find $_[0]	944	cf::localdir
1079	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	945	. "/"
		946	. cf::playerdir
		947	. "/"
		948	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		949	}
		950
		951	sub path($) {
		952	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		953
		954	(playerdir $login) . "/$login.pl"
		955	}
		956
		957	sub find_active($) {
		958	$cf::PLAYER{$_[0]}
		959	and $cf::PLAYER{$_[0]}->active
		960	and $cf::PLAYER{$_[0]}
		961	}
		962
		963	sub exists($) {
		964	my ($login) = @_;
		965
		966	$cf::PLAYER{$login}
		967	or cf::sync_job { !aio_stat path $login }
		968	}
		969
		970	sub find($) {
		971	return $cf::PLAYER{$_[0]} || do {
		972	my $login = $_[0];
		973
		974	my $guard = cf::lock_acquire "user_find:$login";
		975
		976	$cf::PLAYER{$_[0]} || do {
		977	my $pl = load_pl path $login
		978	or return;
		979	$cf::PLAYER{$login} = $pl
		980	}
		981	}
		982	}
		983
		984	sub save($) {
		985	my ($pl) = @_;
		986
		987	return if $pl->{deny_save};
		988
		989	my $path = path $pl;
		990	my $guard = cf::lock_acquire "user_save:$path";
		991
		992	return if $pl->{deny_save};
		993
		994	aio_mkdir playerdir $pl, 0770;
		995	$pl->{last_save} = $cf::RUNTIME;
		996
		997	$pl->save_pl ($path);
		998	Coro::cede;
		999	}
		1000
		1001	sub new($) {
		1002	my ($login) = @_;
		1003
		1004	my $self = create;
		1005
		1006	$self->ob->name ($login);
		1007	$self->{deny_save} = 1;
		1008
		1009	$cf::PLAYER{$login} = $self;
		1010
		1011	$self
		1012	}
		1013
		1014	=item $pl->quit_character
		1015
		1016	Nukes the player without looking back. If logged in, the connection will
		1017	be destroyed. May block for a long time.
		1018
		1019	=cut
		1020
		1021	sub quit_character {
		1022	my ($pl) = @_;
		1023
		1024	$pl->{deny_save} = 1;
		1025	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1026
		1027	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1028	$pl->deactivate;
		1029	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1030	$pl->ns->destroy if $pl->ns;
		1031
		1032	my $path = playerdir $pl;
		1033	my $temp = "$path~$cf::RUNTIME~deleting~";
		1034	aio_rename $path, $temp;
		1035	delete $cf::PLAYER{$pl->ob->name};
		1036	$pl->destroy;
		1037	IO::AIO::aio_rmtree $temp;
		1038	}
		1039
		1040	=item cf::player::list_logins
		1041
		1042	Returns am arrayref of all valid playernames in the system, can take a
		1043	while and may block, so not sync_job-capable, ever.
		1044
		1045	=cut
		1046
		1047	sub list_logins {
		1048	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1049	or return [];
		1050
		1051	my @logins;
		1052
		1053	for my $login (@$dirs) {
		1054	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1055	aio_read $fh, 0, 512, my $buf, 0 or next;
		1056	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1057
		1058	utf8::decode $login;
		1059	push @logins, $login;
		1060	}
		1061
		1062	\@logins
		1063	}
		1064
		1065	=item $player->maps
		1066
		1067	Returns an arrayref of map paths that are private for this
		1068	player. May block.
		1069
		1070	=cut
		1071
		1072	sub maps($) {
		1073	my ($pl) = @_;
		1074
		1075	my $files = aio_readdir playerdir $pl
		1076	or return;
		1077
		1078	my @paths;
		1079
		1080	for (@$files) {
		1081	utf8::decode $_;
		1082	next if /\.(?:pl|pst)$/;
		1083	next unless /^$PATH_SEP/o;
		1084
		1085	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;
		1086	}
		1087
		1088	\@paths
1080	}	1089	}
1081		1090
1082	=item $player->ext_reply ($msgid, $msgtype, %msg)	1091	=item $player->ext_reply ($msgid, $msgtype, %msg)
1083		1092
1084	Sends an ext reply to the player.	1093	Sends an ext reply to the player.
1085		1094
1086	=cut	1095	=cut
1087		1096
1088	sub cf::player::ext_reply($$$%) {	1097	sub ext_reply($$$%) {
1089	my ($self, $id, %msg) = @_;	1098	my ($self, $id, %msg) = @_;
1090		1099
1091	$msg{msgid} = $id;	1100	$msg{msgid} = $id;
1092		1101
1093	$self->send ("ext " . to_json \%msg);	1102	$self->send ("ext " . cf::to_json \%msg);
1094	}	1103	}
		1104
		1105	package cf;
1095		1106
1096	=back	1107	=back
1097		1108
1098		1109
1099	=head3 cf::map	1110	=head3 cf::map
…		…
1105	package cf::map;	1116	package cf::map;
1106		1117
1107	use Fcntl;	1118	use Fcntl;
1108	use Coro::AIO;	1119	use Coro::AIO;
1109		1120
		1121	use overload
		1122	'""' => \&as_string,
		1123	fallback => 1;
		1124
1110	our $MAX_RESET = 3600;	1125	our $MAX_RESET = 3600;
1111	our $DEFAULT_RESET = 3000;	1126	our $DEFAULT_RESET = 3000;
1112		1127
1113	sub generate_random_map {	1128	sub generate_random_map {
1114	my ($path, $rmp) = @_;	1129	my ($self, $rmp) = @_;
1115
1116	# mit "rum" bekleckern, nicht	1130	# mit "rum" bekleckern, nicht
1117	cf::map::_create_random_map	1131	$self->_create_random_map (
1118	$path,
1119	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1132	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1120	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1133	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1121	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1134	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1122	$rmp->{exit_on_final_map},	1135	$rmp->{exit_on_final_map},
1123	$rmp->{xsize}, $rmp->{ysize},	1136	$rmp->{xsize}, $rmp->{ysize},
1124	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1137	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1125	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1138	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1126	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1139	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1127	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1140	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1128	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1141	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1129	(cf::region::find $rmp->{region})	1142	(cf::region::find $rmp->{region}), $rmp->{custom}
		1143	)
		1144	}
		1145
		1146	=item cf::map->register ($regex, $prio)
		1147
		1148	Register a handler for the map path matching the given regex at the
		1149	givne priority (higher is better, built-in handlers have priority 0, the
		1150	default).
		1151
		1152	=cut
		1153
		1154	sub register {
		1155	my (undef, $regex, $prio) = @_;
		1156	my $pkg = caller;
		1157
		1158	no strict;
		1159	push @{"$pkg\::ISA"}, __PACKAGE__;
		1160
		1161	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1162	}
		1163
		1164	# also paths starting with '/'
		1165	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1166
		1167	sub thawer_merge {
		1168	my ($self, $merge) = @_;
		1169
		1170	# we have to keep some variables in memory intact
		1171	local $self->{path};
		1172	local $self->{load_path};
		1173	local $self->{deny_save};
		1174	local $self->{deny_reset};
		1175
		1176	$self->SUPER::thawer_merge ($merge);
		1177	}
		1178
		1179	sub normalise {
		1180	my ($path, $base) = @_;
		1181
		1182	$path = "$path"; # make sure its a string
		1183
		1184	$path =~ s/\.map$//;
		1185
		1186	# map plan:
		1187	#
		1188	# /! non-realised random map exit (special hack!)
		1189	# {... are special paths that are not being touched
		1190	# ?xxx/... are special absolute paths
		1191	# ?random/... random maps
		1192	# /... normal maps
		1193	# ~user/... per-player map of a specific user
		1194
		1195	$path =~ s/$PATH_SEP/\//go;
		1196
		1197	# treat it as relative path if it starts with
		1198	# something that looks reasonable
		1199	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1200	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1201
		1202	$base =~ s{[^/]+/?$}{};
		1203	$path = "$base/$path";
		1204	}
		1205
		1206	for ($path) {
		1207	redo if s{//}{/};
		1208	redo if s{/\.?/}{/};
		1209	redo if s{/[^/]+/\.\./}{/};
		1210	}
		1211
		1212	$path
		1213	}
		1214
		1215	sub new_from_path {
		1216	my (undef, $path, $base) = @_;
		1217
		1218	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1219
		1220	$path = normalise $path, $base;
		1221
		1222	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1223	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1224	my $self = bless cf::map::new, $pkg;
		1225	$self->{path} = $path; $self->path ($path);
		1226	$self->init; # pass $1 etc.
		1227	return $self;
		1228	}
		1229	}
		1230
		1231	Carp::carp "unable to resolve path '$path' (base '$base').";
		1232	()
		1233	}
		1234
		1235	sub init {
		1236	my ($self) = @_;
		1237
		1238	$self
		1239	}
		1240
		1241	sub as_string {
		1242	my ($self) = @_;
		1243
		1244	"$self->{path}"
		1245	}
		1246
		1247	# the displayed name, this is a one way mapping
		1248	sub visible_name {
		1249	&as_string
		1250	}
		1251
		1252	# the original (read-only) location
		1253	sub load_path {
		1254	my ($self) = @_;
		1255
		1256	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		1257	}
		1258
		1259	# the temporary/swap location
		1260	sub save_path {
		1261	my ($self) = @_;
		1262
		1263	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1264	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
		1265	}
		1266
		1267	# the unique path, undef == no special unique path
		1268	sub uniq_path {
		1269	my ($self) = @_;
		1270
		1271	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1272	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1130	}	1273	}
1131		1274
1132	# and all this just because we cannot iterate over	1275	# and all this just because we cannot iterate over
1133	# all maps in C++...	1276	# all maps in C++...
1134	sub change_all_map_light {	1277	sub change_all_map_light {
…		…
1136		1279
1137	$_->change_map_light ($change)	1280	$_->change_map_light ($change)
1138	for grep $_->outdoor, values %cf::MAP;	1281	for grep $_->outdoor, values %cf::MAP;
1139	}	1282	}
1140		1283
		1284	sub unlink_save {
		1285	my ($self) = @_;
		1286
		1287	utf8::encode (my $save = $self->save_path);
		1288	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1289	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1290	}
		1291
1141	sub try_load_header($) {	1292	sub load_header_from($) {
1142	my ($path) = @_;	1293	my ($self, $path) = @_;
1143		1294
1144	utf8::encode $path;	1295	utf8::encode $path;
1145	aio_open $path, O_RDONLY, 0	1296	aio_open $path, O_RDONLY, 0
1146	or return;	1297	or return;
1147		1298
1148	my $map = cf::map::new	1299	$self->_load_header ($path)
1149	or return;	1300	or return;
1150		1301
1151	# for better error messages only, will be overwritten	1302	$self->{load_path} = $path;
1152	$map->path ($path);
1153		1303
1154	$map->load_header ($path)	1304	1
		1305	}
		1306
		1307	sub load_header_orig {
		1308	my ($self) = @_;
		1309
		1310	$self->load_header_from ($self->load_path)
		1311	}
		1312
		1313	sub load_header_temp {
		1314	my ($self) = @_;
		1315
		1316	$self->load_header_from ($self->save_path)
		1317	}
		1318
		1319	sub prepare_temp {
		1320	my ($self) = @_;
		1321
		1322	$self->last_access ((delete $self->{last_access})
		1323	|| $cf::RUNTIME); #d#
		1324	# safety
		1325	$self->{instantiate_time} = $cf::RUNTIME
		1326	if $self->{instantiate_time} > $cf::RUNTIME;
		1327	}
		1328
		1329	sub prepare_orig {
		1330	my ($self) = @_;
		1331
		1332	$self->{load_original} = 1;
		1333	$self->{instantiate_time} = $cf::RUNTIME;
		1334	$self->last_access ($cf::RUNTIME);
		1335	$self->instantiate;
		1336	}
		1337
		1338	sub load_header {
		1339	my ($self) = @_;
		1340
		1341	if ($self->load_header_temp) {
		1342	$self->prepare_temp;
		1343	} else {
		1344	$self->load_header_orig
1155	or return;	1345	or return;
		1346	$self->prepare_orig;
		1347	}
1156		1348
1157	$map->{load_path} = $path;	1349	1
1158
1159	$map
1160	}	1350	}
1161		1351
1162	sub find;	1352	sub find;
1163	sub find {	1353	sub find {
1164	my ($path, $origin) = @_;	1354	my ($path, $origin) = @_;
1165		1355
1166	#warn "find<$path,$origin>\n";#d#
1167
1168	$path = new cf::path $path, $origin && $origin->path;	1356	$path = normalise $path, $origin && $origin->path;
1169	my $key = $path->as_string;
1170		1357
1171	cf::lock_wait "map_find:$key";	1358	cf::lock_wait "map_find:$path";
1172		1359
1173	$cf::MAP{$key} || do {	1360	$cf::MAP{$path} || do {
1174	my $guard = cf::lock_acquire "map_find:$key";	1361	my $guard = cf::lock_acquire "map_find:$path";
1175		1362	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;	1363	or return;
1195		1364
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;	1365	$map->{last_save} = $cf::RUNTIME;
1208		1366
1209	Coro::cede;	1367	$map->load_header
		1368	or return;
1210		1369
1211	if ($map->should_reset) {	1370	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1371	# doing this can freeze the server in a sync job, obviously
		1372	#$cf::WAIT_FOR_TICK->wait;
1212	$map->reset;	1373	$map->reset;
1213	undef $guard;	1374	undef $guard;
1214	$map = find $path	1375	return find $path;
1215	or return;
1216	}	1376	}
1217		1377
1218	$cf::MAP{$key} = $map	1378	$cf::MAP{$path} = $map
1219	}	1379	}
1220	}	1380	}
		1381
		1382	sub pre_load { }
		1383	sub post_load { }
1221		1384
1222	sub load {	1385	sub load {
1223	my ($self) = @_;	1386	my ($self) = @_;
1224		1387
		1388	local $self->{deny_reset} = 1; # loading can take a long time
		1389
1225	my $path = $self->{path};	1390	my $path = $self->{path};
1226	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1391	my $guard = cf::lock_acquire "map_load:$path";
1227		1392
1228	return if $self->in_memory != cf::MAP_SWAPPED;	1393	return if $self->in_memory != cf::MAP_SWAPPED;
1229		1394
1230	$self->in_memory (cf::MAP_LOADING);	1395	$self->in_memory (cf::MAP_LOADING);
1231		1396
1232	$self->alloc;	1397	$self->alloc;
		1398
		1399	$self->pre_load;
		1400
1233	$self->load_objects ($self->{load_path}, 1)	1401	$self->_load_objects ($self->{load_path}, 1)
1234	or return;	1402	or return;
1235		1403
1236	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1404	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1237	if delete $self->{load_original};	1405	if delete $self->{load_original};
1238		1406
1239	if (my $uniq = $path->uniq_path) {	1407	if (my $uniq = $self->uniq_path) {
1240	utf8::encode $uniq;	1408	utf8::encode $uniq;
1241	if (aio_open $uniq, O_RDONLY, 0) {	1409	if (aio_open $uniq, O_RDONLY, 0) {
1242	$self->clear_unique_items;	1410	$self->clear_unique_items;
1243	$self->load_objects ($uniq, 0);	1411	$self->_load_objects ($uniq, 0);
1244	}	1412	}
1245	}	1413	}
1246		1414
1247	Coro::cede;	1415	Coro::cede;
1248		1416
1249	# now do the right thing for maps	1417	# now do the right thing for maps
1250	$self->link_multipart_objects;	1418	$self->link_multipart_objects;
1251		1419
1252	if ($self->{path}->is_style_map) {	1420	unless ($self->{deny_activate}) {
1253	$self->{deny_save} = 1;	1421	$self->decay_objects;
1254	$self->{deny_reset} = 1;
1255	} else {
1256	$self->fix_auto_apply;	1422	$self->fix_auto_apply;
1257	$self->decay_objects;
1258	$self->update_buttons;	1423	$self->update_buttons;
		1424	Coro::cede;
1259	$self->set_darkness_map;	1425	$self->set_darkness_map;
1260	$self->difficulty ($self->estimate_difficulty)	1426	$self->difficulty ($self->estimate_difficulty)
1261	unless $self->difficulty;	1427	unless $self->difficulty;
		1428	Coro::cede;
1262	$self->activate;	1429	$self->activate;
1263	}	1430	}
1264		1431
1265	Coro::cede;	1432	$self->post_load;
1266		1433
1267	$self->in_memory (cf::MAP_IN_MEMORY);	1434	$self->in_memory (cf::MAP_IN_MEMORY);
		1435	}
		1436
		1437	sub customise_for {
		1438	my ($self, $ob) = @_;
		1439
		1440	return find "~" . $ob->name . "/" . $self->{path}
		1441	if $self->per_player;
		1442
		1443	$self
		1444	}
		1445
		1446	# find and load all maps in the 3x3 area around a map
		1447	sub load_diag {
		1448	my ($map) = @_;
		1449
		1450	my @diag; # diagonal neighbours
		1451
		1452	for (0 .. 3) {
		1453	my $neigh = $map->tile_path ($_)
		1454	or next;
		1455	$neigh = find $neigh, $map
		1456	or next;
		1457	$neigh->load;
		1458
		1459	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1460	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1461	}
		1462
		1463	for (@diag) {
		1464	my $neigh = find @$_
		1465	or next;
		1466	$neigh->load;
		1467	}
1268	}	1468	}
1269		1469
1270	sub find_sync {	1470	sub find_sync {
1271	my ($path, $origin) = @_;	1471	my ($path, $origin) = @_;
1272		1472
1273	cf::sync_job { cf::map::find $path, $origin }	1473	cf::sync_job { find $path, $origin }
1274	}	1474	}
1275		1475
1276	sub do_load_sync {	1476	sub do_load_sync {
1277	my ($map) = @_;	1477	my ($map) = @_;
1278		1478
1279	cf::sync_job { $map->load };	1479	cf::sync_job { $map->load };
1280	}	1480	}
1281		1481
		1482	our %MAP_PREFETCH;
		1483	our $MAP_PREFETCHER = undef;
		1484
		1485	sub find_async {
		1486	my ($path, $origin) = @_;
		1487
		1488	$path = normalise $path, $origin && $origin->{path};
		1489
		1490	if (my $map = $cf::MAP{$path}) {
		1491	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1492	}
		1493
		1494	undef $MAP_PREFETCH{$path};
		1495	$MAP_PREFETCHER ||= cf::async {
		1496	while (%MAP_PREFETCH) {
		1497	for my $path (keys %MAP_PREFETCH) {
		1498	my $map = find $path
		1499	or next;
		1500	$map->load;
		1501
		1502	delete $MAP_PREFETCH{$path};
		1503	}
		1504	}
		1505	undef $MAP_PREFETCHER;
		1506	};
		1507	$MAP_PREFETCHER->prio (6);
		1508
		1509	()
		1510	}
		1511
1282	sub save {	1512	sub save {
1283	my ($self) = @_;	1513	my ($self) = @_;
1284		1514
1285	my $lock = cf::lock_acquire "map_data:" . $self->path;	1515	my $lock = cf::lock_acquire "map_data:" . $self->path;
1286		1516
1287	$self->{last_save} = $cf::RUNTIME;	1517	$self->{last_save} = $cf::RUNTIME;
1288		1518
1289	return unless $self->dirty;	1519	return unless $self->dirty;
1290		1520
1291	my $save = $self->{path}->save_path; utf8::encode $save;	1521	my $save = $self->save_path; utf8::encode $save;
1292	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1522	my $uniq = $self->uniq_path; utf8::encode $uniq;
1293		1523
1294	$self->{load_path} = $save;	1524	$self->{load_path} = $save;
1295		1525
1296	return if $self->{deny_save};	1526	return if $self->{deny_save};
1297		1527
1298	local $self->{last_access} = $self->last_access;#d#	1528	local $self->{last_access} = $self->last_access;#d#
1299		1529
		1530	cf::async {
		1531	$_->contr->save for $self->players;
		1532	};
		1533
1300	if ($uniq) {	1534	if ($uniq) {
1301	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1535	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1302	$self->save_objects ($uniq, cf::IO_UNIQUES);	1536	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1303	} else {	1537	} else {
1304	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1538	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1305	}	1539	}
1306	}	1540	}
1307		1541
1308	sub swap_out {	1542	sub swap_out {
1309	my ($self) = @_;	1543	my ($self) = @_;
…		…
1323		1557
1324	sub reset_at {	1558	sub reset_at {
1325	my ($self) = @_;	1559	my ($self) = @_;
1326		1560
1327	# TODO: safety, remove and allow resettable per-player maps	1561	# TODO: safety, remove and allow resettable per-player maps
1328	return 1e99 if $self->{path}{user_rel};	1562	return 1e99 if $self->isa ("ext::map_per_player");#d#
1329	return 1e99 if $self->{deny_reset};	1563	return 1e99 if $self->{deny_reset};
1330		1564
1331	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1332	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1333		1567
…		…
1338	my ($self) = @_;	1572	my ($self) = @_;
1339		1573
1340	$self->reset_at <= $cf::RUNTIME	1574	$self->reset_at <= $cf::RUNTIME
1341	}	1575	}
1342		1576
1343	sub unlink_save {
1344	my ($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	$self->save;
1362	}
1363
1364	sub reset {	1577	sub reset {
1365	my ($self) = @_;	1578	my ($self) = @_;
1366		1579
1367	my $lock = cf::lock_acquire "map_data:" . $self->path;	1580	my $lock = cf::lock_acquire "map_data:$self->{path}";
1368		1581
1369	return if $self->players;	1582	return if $self->players;
1370	return if $self->{path}{user_rel};#d#	1583	return if $self->isa ("ext::map_per_player");#d#
1371		1584
1372	warn "resetting map ", $self->path;#d#	1585	warn "resetting map ", $self->path;#d#
1373		1586
1374	delete $cf::MAP{$self->path};	1587	delete $cf::MAP{$self->path};
		1588
		1589	$self->in_memory (cf::MAP_SWAPPED);
		1590	$self->clear;
1375		1591
1376	$_->clear_links_to ($self) for values %cf::MAP;	1592	$_->clear_links_to ($self) for values %cf::MAP;
1377		1593
1378	$self->unlink_save;	1594	$self->unlink_save;
1379	$self->destroy;	1595	$self->destroy;
…		…
1382	my $nuke_counter = "aaaa";	1598	my $nuke_counter = "aaaa";
1383		1599
1384	sub nuke {	1600	sub nuke {
1385	my ($self) = @_;	1601	my ($self) = @_;
1386		1602
		1603	delete $cf::MAP{$self->path};
		1604
		1605	$self->unlink_save;
		1606
		1607	bless $self, "cf::map";
		1608	delete $self->{deny_reset};
1387	$self->{deny_save} = 1;	1609	$self->{deny_save} = 1;
1388	$self->reset_timeout (1);	1610	$self->reset_timeout (1);
1389	$self->rename ("{nuke}/" . ($nuke_counter++));	1611	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1612
		1613	$cf::MAP{$self->path} = $self;
		1614
1390	$self->reset; # polite request, might not happen	1615	$self->reset; # polite request, might not happen
1391	}	1616	}
1392		1617
1393	sub customise_for {	1618	=item cf::map::unique_maps
1394	my ($map, $ob) = @_;
1395		1619
1396	if ($map->per_player) {	1620	Returns an arrayref of paths of all shared maps that have
1397	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1621	instantiated unique items. May block.
1398	}
1399		1622
1400	$map	1623	=cut
1401	}
1402		1624
1403	sub emergency_save {	1625	sub unique_maps() {
1404	my $freeze_guard = cf::freeze_mainloop;	1626	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1627	or return;
1405		1628
1406	warn "enter emergency map save\n";	1629	my @paths;
1407		1630
1408	cf::sync_job {	1631	for (@$files) {
1409	warn "begin emergency map save\n";	1632	utf8::decode $_;
1410	$_->save for values %cf::MAP;	1633	next if /\.pst$/;
		1634	next unless /^$PATH_SEP/o;
		1635
		1636	push @paths, cf::map::normalise $_;
1411	};	1637	}
1412		1638
1413	warn "end emergency map save\n";	1639	\@paths
1414	}	1640	}
1415		1641
1416	package cf;	1642	package cf;
1417		1643
1418	=back	1644	=back
1419		1645
		1646	=head3 cf::object
		1647
		1648	=cut
		1649
		1650	package cf::object;
		1651
		1652	=over 4
		1653
		1654	=item $ob->inv_recursive
		1655
		1656	Returns the inventory of the object _and_ their inventories, recursively.
		1657
		1658	=cut
		1659
		1660	sub inv_recursive_;
		1661	sub inv_recursive_ {
		1662	map { $_, inv_recursive_ $_->inv } @_
		1663	}
		1664
		1665	sub inv_recursive {
		1666	inv_recursive_ inv $_[0]
		1667	}
		1668
		1669	package cf;
		1670
		1671	=back
1420		1672
1421	=head3 cf::object::player	1673	=head3 cf::object::player
1422		1674
1423	=over 4	1675	=over 4
1424		1676
…		…
1464		1716
1465	=item $player_object->enter_link	1717	=item $player_object->enter_link
1466		1718
1467	Freezes the player and moves him/her to a special map (C<{link}>).	1719	Freezes the player and moves him/her to a special map (C<{link}>).
1468		1720
1469	The player should be reaosnably safe there for short amounts of time. You	1721	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.	1722	I<MUST> call C<leave_link> as soon as possible, though.
1471		1723
		1724	Will never block.
		1725
1472	=item $player_object->leave_link ($map, $x, $y)	1726	=item $player_object->leave_link ($map, $x, $y)
1473		1727
1474	Moves the player out of the specila link map onto the given map. If the	1728	Moves the player out of the special C<{link}> map onto the specified
1475	map is not valid (or omitted), the player will be moved back to the	1729	map. If the map is not valid (or omitted), the player will be moved back
1476	location he/she was before the call to C<enter_link>, or, if that fails,	1730	to the location he/she was before the call to C<enter_link>, or, if that
1477	to the emergency map position.	1731	fails, to the emergency map position.
1478		1732
1479	Might block.	1733	Might block.
1480		1734
1481	=cut	1735	=cut
		1736
		1737	sub link_map {
		1738	unless ($LINK_MAP) {
		1739	$LINK_MAP = cf::map::find "{link}"
		1740	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1741	$LINK_MAP->load;
		1742	}
		1743
		1744	$LINK_MAP
		1745	}
1482		1746
1483	sub cf::object::player::enter_link {	1747	sub cf::object::player::enter_link {
1484	my ($self) = @_;	1748	my ($self) = @_;
1485		1749
1486	$self->deactivate_recursive;	1750	$self->deactivate_recursive;
1487		1751
1488	return if $self->map == $LINK_MAP;	1752	return if UNIVERSAL::isa $self->map, "ext::map_link";
1489		1753
1490	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1754	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1491	if $self->map;	1755	if $self->map;
1492		1756
1493	$self->enter_map ($LINK_MAP, 20, 20);	1757	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1494	}	1758	}
1495		1759
1496	sub cf::object::player::leave_link {	1760	sub cf::object::player::leave_link {
1497	my ($self, $map, $x, $y) = @_;	1761	my ($self, $map, $x, $y) = @_;
1498		1762
…		…
1516	# use -1 or undef as default coordinates, not 0, 0	1780	# use -1 or undef as default coordinates, not 0, 0
1517	($x, $y) = ($map->enter_x, $map->enter_y)	1781	($x, $y) = ($map->enter_x, $map->enter_y)
1518	if $x <=0 && $y <= 0;	1782	if $x <=0 && $y <= 0;
1519		1783
1520	$map->load;	1784	$map->load;
		1785	$map->load_diag;
1521		1786
		1787	return unless $self->contr->active;
1522	$self->activate_recursive;	1788	$self->activate_recursive;
1523	$self->enter_map ($map, $x, $y);	1789	$self->enter_map ($map, $x, $y);
1524	}	1790	}
1525		1791
1526	cf::player->attach (	1792	cf::player->attach (
…		…
1539		1805
1540	# try to abort aborted map switching on player login :)	1806	# try to abort aborted map switching on player login :)
1541	# should happen only on crashes	1807	# should happen only on crashes
1542	if ($pl->ob->{_link_pos}) {	1808	if ($pl->ob->{_link_pos}) {
1543	$pl->ob->enter_link;	1809	$pl->ob->enter_link;
1544	Coro::async_pool {	1810	(async {
1545	# we need this sleep as the login has a concurrent enter_exit running	1811	# 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	1812	# and this sleep increases chances of the player not ending up in scorn
		1813	$pl->ob->reply (undef,
		1814	"There was an internal problem at your last logout, "
		1815	. "the server will try to bring you to your intended destination in a second.",
		1816	cf::NDI_RED);
1547	Coro::Timer::sleep 1;	1817	Coro::Timer::sleep 1;
1548	$pl->ob->leave_link;	1818	$pl->ob->leave_link;
1549	};	1819	})->prio (2);
1550	}	1820	}
1551	},	1821	},
1552	);	1822	);
1553		1823
1554	=item $player_object->goto ($path, $x, $y)	1824	=item $player_object->goto ($path, $x, $y)
…		…
1558	sub cf::object::player::goto {	1828	sub cf::object::player::goto {
1559	my ($self, $path, $x, $y) = @_;	1829	my ($self, $path, $x, $y) = @_;
1560		1830
1561	$self->enter_link;	1831	$self->enter_link;
1562		1832
1563	(Coro::async_pool {	1833	(async {
1564	$path = new cf::path $path;	1834	my $map = eval {
1565
1566	my $map = cf::map::find $path->as_string;	1835	my $map = cf::map::find $path;
1567	$map = $map->customise_for ($self) if $map;	1836	$map = $map->customise_for ($self) if $map;
1568		1837	$map
1569	# warn "entering ", $map->path, " at ($x, $y)\n"	1838	} or
1570	# if $map;
1571
1572	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1839	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1573		1840
1574	$self->leave_link ($map, $x, $y);	1841	$self->leave_link ($map, $x, $y);
1575	})->prio (1);	1842	})->prio (1);
1576	}	1843	}
1577		1844
…		…
1581		1848
1582	sub parse_random_map_params {	1849	sub parse_random_map_params {
1583	my ($spec) = @_;	1850	my ($spec) = @_;
1584		1851
1585	my $rmp = { # defaults	1852	my $rmp = { # defaults
1586	xsize => 10,	1853	xsize => (cf::rndm 15, 40),
1587	ysize => 10,	1854	ysize => (cf::rndm 15, 40),
		1855	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1856	#layout => string,
1588	};	1857	};
1589		1858
1590	for (split /\n/, $spec) {	1859	for (split /\n/, $spec) {
1591	my ($k, $v) = split /\s+/, $_, 2;	1860	my ($k, $v) = split /\s+/, $_, 2;
1592		1861
…		…
1596	$rmp	1865	$rmp
1597	}	1866	}
1598		1867
1599	sub prepare_random_map {	1868	sub prepare_random_map {
1600	my ($exit) = @_;	1869	my ($exit) = @_;
		1870
		1871	my $guard = cf::lock_acquire "exit_prepare:$exit";
1601		1872
1602	# all this does is basically replace the /! path by	1873	# all this does is basically replace the /! path by
1603	# a new random map path (?random/...) with a seed	1874	# a new random map path (?random/...) with a seed
1604	# that depends on the exit object	1875	# that depends on the exit object
1605		1876
1606	my $rmp = parse_random_map_params $exit->msg;	1877	my $rmp = parse_random_map_params $exit->msg;
1607		1878
1608	if ($exit->map) {	1879	if ($exit->map) {
1609	$rmp->{region} = $exit->map->region_name;	1880	$rmp->{region} = $exit->region->name;
1610	$rmp->{origin_map} = $exit->map->path;	1881	$rmp->{origin_map} = $exit->map->path;
1611	$rmp->{origin_x} = $exit->x;	1882	$rmp->{origin_x} = $exit->x;
1612	$rmp->{origin_y} = $exit->y;	1883	$rmp->{origin_y} = $exit->y;
1613	}	1884	}
1614		1885
1615	$rmp->{random_seed} ||= $exit->random_seed;	1886	$rmp->{random_seed} ||= $exit->random_seed;
1616		1887
1617	my $data = cf::to_json $rmp;	1888	my $data = cf::to_json $rmp;
1618	my $md5 = Digest::MD5::md5_hex $data;	1889	my $md5 = Digest::MD5::md5_hex $data;
		1890	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1619		1891
1620	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1892	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1621	aio_write $fh, 0, (length $data), $data, 0;	1893	aio_write $fh, 0, (length $data), $data, 0;
		1894	undef $fh;
		1895	aio_rename "$meta~", $meta;
1622		1896
1623	$exit->slaying ("?random/$md5");	1897	$exit->slaying ("?random/$md5");
1624	$exit->msg (undef);	1898	$exit->msg (undef);
1625	}	1899	}
1626	}	1900	}
…		…
1628	sub cf::object::player::enter_exit {	1902	sub cf::object::player::enter_exit {
1629	my ($self, $exit) = @_;	1903	my ($self, $exit) = @_;
1630		1904
1631	return unless $self->type == cf::PLAYER;	1905	return unless $self->type == cf::PLAYER;
1632		1906
		1907	if ($exit->slaying eq "/!") {
		1908	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1909	cf::sync_job { prepare_random_map $exit };
		1910	}
		1911
		1912	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1913	my $hp = $exit->stats->hp;
		1914	my $sp = $exit->stats->sp;
		1915
1633	$self->enter_link;	1916	$self->enter_link;
1634		1917
1635	(Coro::async_pool {	1918	(async {
1636	$self->deactivate_recursive; # just to be sure	1919	$self->deactivate_recursive; # just to be sure
1637	unless (eval {	1920	unless (eval {
1638	prepare_random_map $exit	1921	$self->goto ($slaying, $hp, $sp);
1639	if $exit->slaying eq "/!";
1640
1641	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1642	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1643		1922
1644	1;	1923	1;
1645	}) {	1924	}) {
1646	$self->message ("Something went wrong deep within the crossfire server. "	1925	$self->message ("Something went wrong deep within the crossfire server. "
1647	. "I'll try to bring you back to the map you were before. "	1926	. "I'll try to bring you back to the map you were before. "
1648	. "Please report this to the dungeon master",	1927	. "Please report this to the dungeon master!",
1649	cf::NDI_UNIQUE | cf::NDI_RED);	1928	cf::NDI_UNIQUE | cf::NDI_RED);
1650		1929
1651	warn "ERROR in enter_exit: $@";	1930	warn "ERROR in enter_exit: $@";
1652	$self->leave_link;	1931	$self->leave_link;
1653	}	1932	}
…		…
1721	}	2000	}
1722	}	2001	}
1723	},	2002	},
1724	);	2003	);
1725		2004
1726	=item $client->coro (\&cb)	2005	=item $client->async (\&cb)
1727		2006
1728	Create a new coroutine, running the specified callback. The coroutine will	2007	Create a new coroutine, running the specified callback. The coroutine will
1729	be automatically cancelled when the client gets destroyed (e.g. on logout,	2008	be automatically cancelled when the client gets destroyed (e.g. on logout,
1730	or loss of connection).	2009	or loss of connection).
1731		2010
1732	=cut	2011	=cut
1733		2012
1734	sub cf::client::coro {	2013	sub cf::client::async {
1735	my ($self, $cb) = @_;	2014	my ($self, $cb) = @_;
1736		2015
1737	my $coro = &Coro::async_pool ($cb);	2016	my $coro = &Coro::async ($cb);
1738		2017
1739	$coro->on_destroy (sub {	2018	$coro->on_destroy (sub {
1740	delete $self->{_coro}{$coro+0};	2019	delete $self->{_coro}{$coro+0};
1741	});	2020	});
1742		2021
…		…
1936	sub db_sync() {	2215	sub db_sync() {
1937	db_save if $dirty;	2216	db_save if $dirty;
1938	undef $dirty;	2217	undef $dirty;
1939	}	2218	}
1940		2219
1941	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2220	my $idle = Event->idle (
1942	db_sync;	2221	reentrant => 0,
		2222	min => 10,
		2223	max => 20,
		2224	repeat => 0,
		2225	data => WF_AUTOCANCEL,
		2226	cb => \&db_sync,
1943	});	2227	);
1944		2228
1945	sub db_dirty() {	2229	sub db_dirty() {
1946	$dirty = 1;	2230	$dirty = 1;
1947	$idle->start;	2231	$idle->start;
1948	}	2232	}
…		…
1980	local $/;	2264	local $/;
1981	*CFG = YAML::Syck::Load <$fh>;	2265	*CFG = YAML::Syck::Load <$fh>;
1982		2266
1983	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2267	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1984		2268
		2269	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2270	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2271
1985	if (exists $CFG{mlockall}) {	2272	if (exists $CFG{mlockall}) {
1986	eval {	2273	eval {
1987	$CFG{mlockall} ? &mlockall : &munlockall	2274	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1988	and die "WARNING: m(un)lockall failed: $!\n";	2275	and die "WARNING: m(un)lockall failed: $!\n";
1989	};	2276	};
1990	warn $@ if $@;	2277	warn $@ if $@;
1991	}	2278	}
1992	}	2279	}
1993		2280
1994	sub main {	2281	sub main {
1995	# we must not ever block the main coroutine	2282	# we must not ever block the main coroutine
1996	local $Coro::idle = sub {	2283	local $Coro::idle = sub {
1997	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2284	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1998	(Coro::unblock_sub {	2285	(async {
1999	Event::one_event;	2286	Event::one_event;
2000	})->();	2287	})->prio (Coro::PRIO_MAX);
2001	};	2288	};
2002		2289
2003	cfg_load;	2290	cfg_load;
2004	db_load;	2291	db_load;
2005	load_extensions;	2292	load_extensions;
		2293
		2294	$TICK_WATCHER->start;
2006	Event::loop;	2295	Event::loop;
2007	}	2296	}
2008		2297
2009	#############################################################################	2298	#############################################################################
2010	# initialisation	2299	# initialisation and cleanup
		2300
		2301	# install some emergency cleanup handlers
		2302	BEGIN {
		2303	for my $signal (qw(INT HUP TERM)) {
		2304	Event->signal (
		2305	reentrant => 0,
		2306	data => WF_AUTOCANCEL,
		2307	signal => $signal,
		2308	prio => 0,
		2309	cb => sub {
		2310	cf::cleanup "SIG$signal";
		2311	},
		2312	);
		2313	}
		2314	}
		2315
		2316	sub emergency_save() {
		2317	my $freeze_guard = cf::freeze_mainloop;
		2318
		2319	warn "enter emergency perl save\n";
		2320
		2321	cf::sync_job {
		2322	# use a peculiar iteration method to avoid tripping on perl
		2323	# refcount bugs in for. also avoids problems with players
		2324	# and maps saved/destroyed asynchronously.
		2325	warn "begin emergency player save\n";
		2326	for my $login (keys %cf::PLAYER) {
		2327	my $pl = $cf::PLAYER{$login} or next;
		2328	$pl->valid or next;
		2329	$pl->save;
		2330	}
		2331	warn "end emergency player save\n";
		2332
		2333	warn "begin emergency map save\n";
		2334	for my $path (keys %cf::MAP) {
		2335	my $map = $cf::MAP{$path} or next;
		2336	$map->valid or next;
		2337	$map->save;
		2338	}
		2339	warn "end emergency map save\n";
		2340	};
		2341
		2342	warn "leave emergency perl save\n";
		2343	}
2011		2344
2012	sub reload() {	2345	sub reload() {
2013	# can/must only be called in main	2346	# can/must only be called in main
2014	if ($Coro::current != $Coro::main) {	2347	if ($Coro::current != $Coro::main) {
2015	warn "can only reload from main coroutine\n";	2348	warn "can only reload from main coroutine";
2016	return;	2349	return;
2017	}	2350	}
2018		2351
2019	warn "reloading...";	2352	warn "reloading...";
2020		2353
2021	my $guard = freeze_mainloop;	2354	warn "cancelling server ticker";
		2355	$TICK_WATCHER->cancel;
		2356
2022	cf::emergency_save;	2357	cf::emergency_save;
2023		2358
2024	eval {	2359	eval {
2025	# if anything goes wrong in here, we should simply crash as we already saved	2360	# if anything goes wrong in here, we should simply crash as we already saved
2026		2361
2027	# cancel all watchers	2362	warn "syncing database to disk";
		2363	cf::db_sync;
		2364
		2365	warn "cancelling all WF_AUTOCANCEL watchers";
2028	for (Event::all_watchers) {	2366	for (Event::all_watchers) {
2029	$_->cancel if $_->data & WF_AUTOCANCEL;	2367	$_->cancel if $_->data & WF_AUTOCANCEL;
2030	}	2368	}
2031		2369
		2370	warn "flushing outstanding aio requests";
		2371	for (;;) {
		2372	IO::AIO::flush;
		2373	Coro::cede;
		2374	last unless IO::AIO::nreqs;
		2375	warn "iterate...";
		2376	}
		2377
2032	# cancel all extension coros	2378	warn "cancelling all extension coros";
2033	$_->cancel for values %EXT_CORO;	2379	$_->cancel for values %EXT_CORO;
2034	%EXT_CORO = ();	2380	%EXT_CORO = ();
2035		2381
2036	# unload all extensions	2382	warn "removing commands";
2037	for (@exts) {	2383	%COMMAND = ();
		2384
		2385	warn "removing ext commands";
		2386	%EXTCMD = ();
		2387
		2388	warn "unloading/nuking all extensions";
		2389	for my $pkg (@EXTS) {
2038	warn "unloading <$_>";	2390	warn "... unloading $pkg";
2039	unload_extension $_;	2391
		2392	if (my $cb = $pkg->can ("unload")) {
		2393	eval {
		2394	$cb->($pkg);
		2395	1
		2396	} or warn "$pkg unloaded, but with errors: $@";
2040	}	2397	}
2041		2398
		2399	warn "... nuking $pkg";
		2400	Symbol::delete_package $pkg;
		2401	}
		2402
2042	# unload all modules loaded from $LIBDIR	2403	warn "unloading all perl modules loaded from $LIBDIR";
2043	while (my ($k, $v) = each %INC) {	2404	while (my ($k, $v) = each %INC) {
2044	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2405	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2045		2406
2046	warn "removing <$k>";	2407	warn "... unloading $k";
2047	delete $INC{$k};	2408	delete $INC{$k};
2048		2409
2049	$k =~ s/\.pm$//;	2410	$k =~ s/\.pm$//;
2050	$k =~ s/\//::/g;	2411	$k =~ s/\//::/g;
2051		2412
…		…
2054	}	2415	}
2055		2416
2056	Symbol::delete_package $k;	2417	Symbol::delete_package $k;
2057	}	2418	}
2058		2419
2059	# sync database to disk
2060	cf::db_sync;
2061	IO::AIO::flush;
2062
2063	# get rid of safe::, as good as possible	2420	warn "getting rid of safe::, as good as possible";
2064	Symbol::delete_package "safe::$_"	2421	Symbol::delete_package "safe::$_"
2065	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2422	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2066		2423
2067	# remove register_script_function callbacks
2068	# TODO
2069
2070	# unload cf.pm "a bit"	2424	warn "unloading cf.pm \"a bit\"";
2071	delete $INC{"cf.pm"};	2425	delete $INC{"cf.pm"};
2072		2426
2073	# don't, removes xs symbols, too,	2427	# don't, removes xs symbols, too,
2074	# and global variables created in xs	2428	# and global variables created in xs
2075	#Symbol::delete_package __PACKAGE__;	2429	#Symbol::delete_package __PACKAGE__;
2076		2430
2077	# reload cf.pm	2431	warn "unload completed, starting to reload now";
		2432
2078	warn "reloading cf.pm";	2433	warn "reloading cf.pm";
2079	require cf;	2434	require cf;
2080	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2435	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2081		2436
2082	# load config and database again	2437	warn "loading config and database again";
2083	cf::cfg_load;	2438	cf::cfg_load;
2084	cf::db_load;	2439	cf::db_load;
2085		2440
2086	# load extensions
2087	warn "load extensions";	2441	warn "loading extensions";
2088	cf::load_extensions;	2442	cf::load_extensions;
2089		2443
2090	# reattach attachments to objects	2444	warn "reattaching attachments to objects/players";
2091	warn "reattach";
2092	_global_reattach;	2445	_global_reattach;
		2446	warn "reattaching attachments to maps";
		2447	reattach $_ for values %MAP;
		2448
		2449	warn "restarting server ticker";
		2450
		2451	$TICK_WATCHER->start;
2093	};	2452	};
2094		2453
2095	if ($@) {	2454	if ($@) {
2096	warn $@;	2455	warn $@;
2097	warn "error while reloading, exiting.";	2456	warn "error while reloading, exiting.";
2098	exit 1;	2457	exit 1;
2099	}	2458	}
2100		2459
2101	warn "reloaded successfully";	2460	warn "reloaded";
2102	};	2461	};
2103		2462
2104	#############################################################################	2463	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} = $LINK_MAP;
2145	}
2146
2147	register "<global>", __PACKAGE__;
2148		2464
2149	register_command "reload" => sub {	2465	register_command "reload" => sub {
2150	my ($who, $arg) = @_;	2466	my ($who, $arg) = @_;
2151		2467
2152	if ($who->flag (FLAG_WIZ)) {	2468	if ($who->flag (FLAG_WIZ)) {
2153	$who->message ("start of reload.");	2469	$who->message ("reloading server.");
		2470
		2471	# doing reload synchronously and two reloads happen back-to-back,
		2472	# coro crashes during coro_state_free->destroy here.
		2473
		2474	$RELOAD_WATCHER ||= Event->timer (
		2475	reentrant => 0,
		2476	after => 0,
		2477	data => WF_AUTOCANCEL,
		2478	cb => sub {
2154	reload;	2479	reload;
2155	$who->message ("end of reload.");	2480	undef $RELOAD_WATCHER;
		2481	},
		2482	);
2156	}	2483	}
2157	};	2484	};
2158		2485
2159	unshift @INC, $LIBDIR;	2486	unshift @INC, $LIBDIR;
		2487
		2488	my $bug_warning = 0;
2160		2489
2161	$TICK_WATCHER = Event->timer (	2490	$TICK_WATCHER = Event->timer (
2162	reentrant => 0,	2491	reentrant => 0,
		2492	parked => 1,
2163	prio => 0,	2493	prio => 0,
2164	at => $NEXT_TICK || $TICK,	2494	at => $NEXT_TICK || $TICK,
2165	data => WF_AUTOCANCEL,	2495	data => WF_AUTOCANCEL,
2166	cb => sub {	2496	cb => sub {
		2497	if ($Coro::current != $Coro::main) {
		2498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2499	unless ++$bug_warning > 10;
		2500	return;
		2501	}
		2502
		2503	$NOW = Event::time;
		2504
2167	cf::server_tick; # one server iteration	2505	cf::server_tick; # one server iteration
2168	$RUNTIME += $TICK;	2506	$RUNTIME += $TICK;
2169	$NEXT_TICK += $TICK;	2507	$NEXT_TICK += $TICK;
		2508
		2509	$WAIT_FOR_TICK->broadcast;
		2510	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2511
		2512	Event::sweep;
		2513	Coro::cede_notself;
		2514
		2515	# my $AFTER = Event::time;
		2516	# warn $AFTER - $NOW;#d#
2170		2517
2171	# if we are delayed by four ticks or more, skip them all	2518	# if we are delayed by four ticks or more, skip them all
2172	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2519	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2173		2520
2174	$TICK_WATCHER->at ($NEXT_TICK);	2521	$TICK_WATCHER->at ($NEXT_TICK);
2175	$TICK_WATCHER->start;	2522	$TICK_WATCHER->start;
2176	},	2523	},
2177	);	2524	);
2178		2525
2179	IO::AIO::max_poll_time $TICK * 0.2;	2526	IO::AIO::max_poll_time $TICK * 0.1;
2180		2527
2181	Event->io (	2528	undef $Coro::AIO::WATCHER;
		2529	$AIO_POLL_WATCHER = Event->io (
		2530	reentrant => 0,
2182	fd => IO::AIO::poll_fileno,	2531	fd => IO::AIO::poll_fileno,
2183	poll => 'r',	2532	poll => 'r',
2184	prio => 5,	2533	prio => 6,
2185	data => WF_AUTOCANCEL,	2534	data => WF_AUTOCANCEL,
2186	cb => \&IO::AIO::poll_cb,	2535	cb => \&IO::AIO::poll_cb,
2187	);	2536	);
2188		2537
2189	Event->timer (	2538	$WRITE_RUNTIME_WATCHER = Event->timer (
		2539	reentrant => 0,
2190	data => WF_AUTOCANCEL,	2540	data => WF_AUTOCANCEL,
2191	after => 0,	2541	after => 1,
2192	interval => 10,	2542	interval => 10,
2193	cb => sub {	2543	prio => 6, # keep it lowest so it acts like a watchdog
2194	(Coro::unblock_sub {	2544	cb => Coro::unblock_sub {
2195	write_runtime	2545	write_runtime
2196	or warn "ERROR: unable to write runtime file: $!";	2546	or warn "ERROR: unable to write runtime file: $!";
2197	})->();
2198	},	2547	},
2199	);	2548	);
2200		2549
2201	END { cf::emergency_save }	2550	END { cf::emergency_save }
2202		2551

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