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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 1.194 by root, Wed Jan 24 22:42:49 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;
76		87
77	#############################################################################	88	#############################################################################
78		89
79	=head2 GLOBAL VARIABLES	90	=head2 GLOBAL VARIABLES
…		…
104		115
105	=item %cf::CFG	116	=item %cf::CFG
106		117
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	118	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	119	from wherever your confdir points to.
		120
		121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		122
		123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		125	processing has been done. Call C<< ->wait >> on them to maximise the
		126	window of cpu time available, or simply to synchronise to the server tick.
109		127
110	=back	128	=back
111		129
112	=cut	130	=cut
113		131
…		…
117	utf8::encode $msg;	135	utf8::encode $msg;
118		136
119	$msg .= "\n"	137	$msg .= "\n"
120	unless $msg =~ /\n$/;	138	unless $msg =~ /\n$/;
121		139
122	LOG llevError, "cfperl: $msg";	140	LOG llevError, $msg;
123	};	141	};
124	}	142	}
125		143
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		163
146	$Event::DIED = sub {	164	$Event::DIED = sub {
147	warn "error in event callback: @_";	165	warn "error in event callback: @_";
148	};	166	};
149		167
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	168	=head2 UTILITY FUNCTIONS
155		169
156	=over 4	170	=over 4
157		171
		172	=item dumpval $ref
		173
158	=cut	174	=cut
		175
		176	sub dumpval {
		177	eval {
		178	local $SIG{__DIE__};
		179	my $d;
		180	if (1) {
		181	$d = new Data::Dumper([$_[0]], ["*var"]);
		182	$d->Terse(1);
		183	$d->Indent(2);
		184	$d->Quotekeys(0);
		185	$d->Useqq(1);
		186	#$d->Bless(...);
		187	$d->Seen($_[1]) if @_ > 1;
		188	$d = $d->Dump();
		189	}
		190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		191	$d
		192	} || "[unable to dump $_[0]: '$@']";
		193	}
159		194
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	195	use JSON::Syck (); # TODO# replace by JSON::PC once working
161		196
162	=item $ref = cf::from_json $json	197	=item $ref = cf::from_json $json
163		198
…		…
224	}	259	}
225		260
226	sub freeze_mainloop {	261	sub freeze_mainloop {
227	return unless $TICK_WATCHER->is_active;	262	return unless $TICK_WATCHER->is_active;
228		263
229	my $guard = Coro::guard { $TICK_WATCHER->start };	264	my $guard = Coro::guard {
		265	$TICK_WATCHER->start;
		266	$WRITE_RUNTIME_WATCHER->start;
		267	};
		268	$WRITE_RUNTIME_WATCHER->stop;
230	$TICK_WATCHER->stop;	269	$TICK_WATCHER->stop;
231	$guard	270	$guard
232	}	271	}
		272
		273	=item cf::async { BLOCK }
		274
		275	Currently the same as Coro::async_pool, meaning you cannot use
		276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		277	thing you are allowed to do is call C<prio> on it.
		278
		279	=cut
		280
		281	BEGIN { *async = \&Coro::async_pool }
233		282
234	=item cf::sync_job { BLOCK }	283	=item cf::sync_job { BLOCK }
235		284
236	The design of crossfire+ requires that the main coro ($Coro::main) is	285	The design of crossfire+ requires that the main coro ($Coro::main) is
237	always able to handle events or runnable, as crossfire+ is only partly	286	always able to handle events or runnable, as crossfire+ is only partly
…		…
256	my $freeze_guard = freeze_mainloop;	305	my $freeze_guard = freeze_mainloop;
257		306
258	my $busy = 1;	307	my $busy = 1;
259	my @res;	308	my @res;
260		309
261	(Coro::async_pool {	310	(async {
262	@res = eval { $job->() };	311	@res = eval { $job->() };
263	warn $@ if $@;	312	warn $@ if $@;
264	undef $busy;	313	undef $busy;
265	})->prio (Coro::PRIO_MAX);	314	})->prio (Coro::PRIO_MAX);
266		315
267	while ($busy) {	316	while ($busy) {
268	Coro::cede_notself;	317	Coro::cede or Event::one_event;
269	Event::one_event unless Coro::nready;
270	}	318	}
271		319
272	wantarray ? @res : $res[0]	320	wantarray ? @res : $res[0]
273	} else {	321	} else {
274	# we are in another coroutine, how wonderful, everything just works	322	# we are in another coroutine, how wonderful, everything just works
275		323
276	$job->()	324	$job->()
277	}	325	}
278	}	326	}
279		327
280	=item $coro = cf::coro { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
281		329
282	Creates (and readies) and returns a new coro. This coro is automcatially	330	Like async, but this coro is automatically being canceled when the
283	being canceled when the extension calling this is being unloaded.	331	extension calling this is being unloaded.
284		332
285	=cut	333	=cut
286		334
287	sub coro(&) {	335	sub async_ext(&) {
288	my $cb = shift;	336	my $cb = shift;
289		337
290	my $coro = &Coro::async_pool ($cb);	338	my $coro = &Coro::async ($cb);
291		339
292	$coro->on_destroy (sub {	340	$coro->on_destroy (sub {
293	delete $EXT_CORO{$coro+0};	341	delete $EXT_CORO{$coro+0};
294	});	342	});
295	$EXT_CORO{$coro+0} = $coro;	343	$EXT_CORO{$coro+0} = $coro;
…		…
301	my $runtime = cf::localdir . "/runtime";	349	my $runtime = cf::localdir . "/runtime";
302		350
303	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
304	or return;	352	or return;
305		353
		354	my $value = $cf::RUNTIME + 90 + 10;
306	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	355	# 10 is the runtime save interval, for a monotonic clock
		356	# 60 allows for the watchdog to kill the server.
		357
307	(aio_write $fh, 0, (length $value), $value, 0) <= 0	358	(aio_write $fh, 0, (length $value), $value, 0) <= 0
308	and return;	359	and return;
309		360
310	aio_fsync $fh	361	aio_fsync $fh
311	and return;	362	and return;
…		…
320	}	371	}
321		372
322	=back	373	=back
323		374
324	=cut	375	=cut
325
326	#############################################################################
327
328	package cf::path;
329
330	sub new {
331	my ($class, $path, $base) = @_;
332
333	$path = $path->as_string if ref $path;
334
335	my $self = bless { }, $class;
336
337	# {... are special paths that are not touched
338	# ?xxx/... are special absolute paths
339	# ?random/... random maps
340	# /! non-realised random map exit
341	# /... normal maps
342	# ~/... per-player maps without a specific player (DO NOT USE)
343	# ~user/... per-player map of a specific user
344
345	if ($path =~ /^{/) {
346	# fine as it is
347	} elsif ($path =~ s{^\?random/}{}) {
348	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
349	$self->{random} = cf::from_json $data;
350	} else {
351	if ($path =~ s{^~([^/]+)?}{}) {
352	$self->{user_rel} = 1;
353
354	if (defined $1) {
355	$self->{user} = $1;
356	} elsif ($base =~ m{^~([^/]+)/}) {
357	$self->{user} = $1;
358	} else {
359	warn "cannot resolve user-relative path without user <$path,$base>\n";
360	}
361	} elsif ($path =~ /^\//) {
362	# already absolute
363	} else {
364	$base =~ s{[^/]+/?$}{};
365	return $class->new ("$base/$path");
366	}
367
368	for ($path) {
369	redo if s{/\.?/}{/};
370	redo if s{/[^/]+/\.\./}{/};
371	}
372	}
373
374	$self->{path} = $path;
375
376	$self
377	}
378
379	# the name / primary key / in-game path
380	sub as_string {
381	my ($self) = @_;
382
383	$self->{user_rel} ? "~$self->{user}$self->{path}"
384	: $self->{random} ? "?random/$self->{path}"
385	: $self->{path}
386	}
387
388	# the displayed name, this is a one way mapping
389	sub visible_name {
390	my ($self) = @_;
391
392	# if (my $rmp = $self->{random}) {
393	# # todo: be more intelligent about this
394	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
395	# } else {
396	$self->as_string
397	# }
398	}
399
400	# escape the /'s in the path
401	sub _escaped_path {
402	# ∕ is U+2215
403	(my $path = $_[0]{path}) =~ s/\//∕/g;
404	$path
405	}
406
407	# the original (read-only) location
408	sub load_path {
409	my ($self) = @_;
410
411	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
412	}
413
414	# the temporary/swap location
415	sub save_path {
416	my ($self) = @_;
417
418	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
419	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
420	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
421	}
422
423	# the unique path, might be eq to save_path
424	sub uniq_path {
425	my ($self) = @_;
426
427	$self->{user_rel} || $self->{random}
428	? undef
429	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
430	}
431
432	# return random map parameters, or undef
433	sub random_map_params {
434	my ($self) = @_;
435
436	$self->{random}
437	}
438
439	# this is somewhat ugly, but style maps do need special treatment
440	sub is_style_map {
441	$_[0]{path} =~ m{^/styles/}
442	}
443
444	package cf;
445		376
446	#############################################################################	377	#############################################################################
447		378
448	=head2 ATTACHABLE OBJECTS	379	=head2 ATTACHABLE OBJECTS
449		380
…		…
575	our @CB_TYPE = (); # registry for type (cf-object class) based events	506	our @CB_TYPE = (); # registry for type (cf-object class) based events
576	our @CB_MAP = ();	507	our @CB_MAP = ();
577		508
578	my %attachment;	509	my %attachment;
579		510
		511	sub cf::attachable::thawer_merge {
		512	# simply override everything except _meta
		513	local $_[0]{_meta};
		514	%{$_[0]} = %{$_[1]};
		515	}
		516
580	sub _attach_cb($$$$) {	517	sub _attach_cb($$$$) {
581	my ($registry, $event, $prio, $cb) = @_;	518	my ($registry, $event, $prio, $cb) = @_;
582		519
583	use sort 'stable';	520	use sort 'stable';
584		521
…		…
755	# object support	692	# object support
756		693
757	sub reattach {	694	sub reattach {
758	# basically do the same as instantiate, without calling instantiate	695	# basically do the same as instantiate, without calling instantiate
759	my ($obj) = @_;	696	my ($obj) = @_;
		697
		698	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
760		699
761	my $registry = $obj->registry;	700	my $registry = $obj->registry;
762		701
763	@$registry = ();	702	@$registry = ();
764		703
…		…
896	=cut	835	=cut
897		836
898	sub register_extcmd {	837	sub register_extcmd {
899	my ($name, $cb) = @_;	838	my ($name, $cb) = @_;
900		839
901	my $caller = caller;
902	#warn "registering extcmd '$name' to '$caller'";
903
904	$EXTCMD{$name} = [$cb, $caller];	840	$EXTCMD{$name} = $cb;
905	}	841	}
906		842
907	cf::player->attach (	843	cf::player->attach (
908	on_command => sub {	844	on_command => sub {
909	my ($pl, $name, $params) = @_;	845	my ($pl, $name, $params) = @_;
…		…
922		858
923	my $msg = eval { from_json $buf };	859	my $msg = eval { from_json $buf };
924		860
925	if (ref $msg) {	861	if (ref $msg) {
926	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
927	if (my %reply = $cb->[0]->($pl, $msg)) {	863	if (my %reply = $cb->($pl, $msg)) {
928	$pl->ext_reply ($msg->{msgid}, %reply);	864	$pl->ext_reply ($msg->{msgid}, %reply);
929	}	865	}
930	}	866	}
931	} else {	867	} else {
932	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
934		870
935	cf::override;	871	cf::override;
936	},	872	},
937	);	873	);
938		874
939	sub register {
940	my ($base, $pkg) = @_;
941
942	#TODO
943	}
944
945	sub load_extension {	875	sub load_extension {
946	my ($path) = @_;	876	my ($path) = @_;
947		877
948	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
949	my $base = $1;	879	my $base = $1;
950	my $pkg = $1;	880	my $pkg = $1;
951	$pkg =~ s/[^[:word:]]/_/g;	881	$pkg =~ s/[^[:word:]]/_/g;
952	$pkg = "ext::$pkg";	882	$pkg = "ext::$pkg";
953		883
954	warn "loading '$path' into '$pkg'\n";	884	warn "... loading '$path' into '$pkg'\n";
955		885
956	open my $fh, "<:utf8", $path	886	open my $fh, "<:utf8", $path
957	or die "$path: $!";	887	or die "$path: $!";
958		888
959	my $source =	889	my $source =
960	"package $pkg; use strict; use utf8;\n"	890	"package $pkg; use strict; use utf8;\n"
961	. "#line 1 \"$path\"\n{\n"	891	. "#line 1 \"$path\"\n{\n"
962	. (do { local $/; <$fh> })	892	. (do { local $/; <$fh> })
963	. "\n};\n1";	893	. "\n};\n1";
964		894
965	eval $source	895	unless (eval $source) {
966	or die $@ ? "$path: $@\n"	896	my $msg = $@ ? "$path: $@\n"
967	: "extension disabled.\n";	897	: "extension disabled.\n";
968		898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
969	push @exts, $pkg;	899	warn $@;
970	$ext_pkg{$base} = $pkg;	900	warn "mandatory extension failed to load, exiting.\n";
971		901	exit 1;
972	# no strict 'refs';	902	}
973	# @{"$pkg\::ISA"} = ext::;	903	die $@;
974
975	register $base, $pkg;
976	}
977
978	sub unload_extension {
979	my ($pkg) = @_;
980
981	warn "removing extension $pkg\n";
982
983	# remove hooks
984	#TODO
985	# for my $idx (0 .. $#PLUGIN_EVENT) {
986	# delete $hook[$idx]{$pkg};
987	# }	904	}
988		905
989	# remove commands	906	push @EXTS, $pkg;
990	for my $name (keys %COMMAND) {
991	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
992
993	if (@cb) {
994	$COMMAND{$name} = \@cb;
995	} else {
996	delete $COMMAND{$name};
997	}
998	}
999
1000	# remove extcmds
1001	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1002	delete $EXTCMD{$name};
1003	}
1004
1005	if (my $cb = $pkg->can ("unload")) {
1006	eval {
1007	$cb->($pkg);
1008	1
1009	} or warn "$pkg unloaded, but with errors: $@";
1010	}
1011
1012	Symbol::delete_package $pkg;
1013	}	907	}
1014		908
1015	sub load_extensions {	909	sub load_extensions {
1016	for my $ext (<$LIBDIR/*.ext>) {	910	for my $ext (<$LIBDIR/*.ext>) {
1017	next unless -r $ext;	911	next unless -r $ext;
…		…
1021	} or warn "$ext not loaded: $@";	915	} or warn "$ext not loaded: $@";
1022	}	916	}
1023	}	917	}
1024		918
1025	#############################################################################	919	#############################################################################
1026	# load/save/clean perl data associated with a map
1027
1028	*cf::mapsupport::on_clean = sub {
1029	my ($map) = @_;
1030
1031	my $path = $map->tmpname;
1032	defined $path or return;
1033
1034	unlink "$path.pst";
1035	};
1036
1037	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1038
1039	#############################################################################
1040	# load/save perl data associated with player->ob objects
1041
1042	sub all_objects(@) {
1043	@_, map all_objects ($_->inv), @_
1044	}
1045
1046	# TODO: compatibility cruft, remove when no longer needed
1047	cf::player->attach (
1048	on_load => sub {
1049	my ($pl, $path) = @_;
1050
1051	for my $o (all_objects $pl->ob) {
1052	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1053	$o->set_ob_key_value ("_perl_data");
1054
1055	%$o = %{ Storable::thaw pack "H*", $value };
1056	}
1057	}
1058	},
1059	);
1060
1061	#############################################################################
1062		920
1063	=head2 CORE EXTENSIONS	921	=head2 CORE EXTENSIONS
1064		922
1065	Functions and methods that extend core crossfire objects.	923	Functions and methods that extend core crossfire objects.
1066		924
		925	=cut
		926
		927	package cf::player;
		928
		929	use Coro::AIO;
		930
1067	=head3 cf::player	931	=head3 cf::player
1068		932
1069	=over 4	933	=over 4
1070		934
1071	=item cf::player::exists $login	935	=item cf::player::find $login
1072		936
1073	Returns true when the given account exists.	937	Returns the given player object, loading it if necessary (might block).
1074		938
1075	=cut	939	=cut
1076		940
1077	sub cf::player::exists($) {	941	sub playerdir($) {
1078	cf::player::find $_[0]	942	cf::localdir
1079	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	943	. "/"
		944	. cf::playerdir
		945	. "/"
		946	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		947	}
		948
		949	sub path($) {
		950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		951
		952	(playerdir $login) . "/$login.pl"
		953	}
		954
		955	sub find_active($) {
		956	$cf::PLAYER{$_[0]}
		957	and $cf::PLAYER{$_[0]}->active
		958	and $cf::PLAYER{$_[0]}
		959	}
		960
		961	sub exists($) {
		962	my ($login) = @_;
		963
		964	$cf::PLAYER{$login}
		965	or cf::sync_job { !aio_stat path $login }
		966	}
		967
		968	sub find($) {
		969	return $cf::PLAYER{$_[0]} || do {
		970	my $login = $_[0];
		971
		972	my $guard = cf::lock_acquire "user_find:$login";
		973
		974	$cf::PLAYER{$_[0]} || do {
		975	my $pl = load_pl path $login
		976	or return;
		977	$cf::PLAYER{$login} = $pl
		978	}
		979	}
		980	}
		981
		982	sub save($) {
		983	my ($pl) = @_;
		984
		985	return if $pl->{deny_save};
		986
		987	my $path = path $pl;
		988	my $guard = cf::lock_acquire "user_save:$path";
		989
		990	return if $pl->{deny_save};
		991
		992	aio_mkdir playerdir $pl, 0770;
		993	$pl->{last_save} = $cf::RUNTIME;
		994
		995	$pl->save_pl ($path);
		996	Coro::cede;
		997	}
		998
		999	sub new($) {
		1000	my ($login) = @_;
		1001
		1002	my $self = create;
		1003
		1004	$self->ob->name ($login);
		1005	$self->{deny_save} = 1;
		1006
		1007	$cf::PLAYER{$login} = $self;
		1008
		1009	$self
		1010	}
		1011
		1012	=item $pl->quit_character
		1013
		1014	Nukes the player without looking back. If logged in, the connection will
		1015	be destroyed. May block for a long time.
		1016
		1017	=cut
		1018
		1019	sub quit_character {
		1020	my ($pl) = @_;
		1021
		1022	$pl->{deny_save} = 1;
		1023	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1024
		1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1026	$pl->deactivate;
		1027	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1028	$pl->ns->destroy if $pl->ns;
		1029
		1030	my $path = playerdir $pl;
		1031	my $temp = "$path~$cf::RUNTIME~deleting~";
		1032	aio_rename $path, $temp;
		1033	delete $cf::PLAYER{$pl->ob->name};
		1034	$pl->destroy;
		1035	IO::AIO::aio_rmtree $temp;
		1036	}
		1037
		1038	=item cf::player::list_logins
		1039
		1040	Returns am arrayref of all valid playernames in the system, can take a
		1041	while and may block, so not sync_job-capable, ever.
		1042
		1043	=cut
		1044
		1045	sub list_logins {
		1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1047	or return [];
		1048
		1049	my @logins;
		1050
		1051	for my $login (@$dirs) {
		1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1053	aio_read $fh, 0, 512, my $buf, 0 or next;
		1054	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1055
		1056	utf8::decode $login;
		1057	push @logins, $login;
		1058	}
		1059
		1060	\@logins
		1061	}
		1062
		1063	=item $player->maps
		1064
		1065	Returns an arrayref of map paths that are private for this
		1066	player. May block.
		1067
		1068	=cut
		1069
		1070	sub maps($) {
		1071	my ($pl) = @_;
		1072
		1073	my $files = aio_readdir playerdir $pl
		1074	or return;
		1075
		1076	my @paths;
		1077
		1078	for (@$files) {
		1079	utf8::decode $_;
		1080	next if /\.(?:pl|pst)$/;
		1081	next unless /^$PATH_SEP/o;
		1082
		1083	s/\.map$//;
		1084	push @paths, "~" . $pl->ob->name . "/" . $_;
		1085	}
		1086
		1087	\@paths
1080	}	1088	}
1081		1089
1082	=item $player->ext_reply ($msgid, $msgtype, %msg)	1090	=item $player->ext_reply ($msgid, $msgtype, %msg)
1083		1091
1084	Sends an ext reply to the player.	1092	Sends an ext reply to the player.
1085		1093
1086	=cut	1094	=cut
1087		1095
1088	sub cf::player::ext_reply($$$%) {	1096	sub ext_reply($$$%) {
1089	my ($self, $id, %msg) = @_;	1097	my ($self, $id, %msg) = @_;
1090		1098
1091	$msg{msgid} = $id;	1099	$msg{msgid} = $id;
1092		1100
1093	$self->send ("ext " . to_json \%msg);	1101	$self->send ("ext " . cf::to_json \%msg);
1094	}	1102	}
		1103
		1104	package cf;
1095		1105
1096	=back	1106	=back
1097		1107
1098		1108
1099	=head3 cf::map	1109	=head3 cf::map
…		…
1105	package cf::map;	1115	package cf::map;
1106		1116
1107	use Fcntl;	1117	use Fcntl;
1108	use Coro::AIO;	1118	use Coro::AIO;
1109		1119
		1120	use overload
		1121	'""' => \&as_string,
		1122	fallback => 1;
		1123
1110	our $MAX_RESET = 3600;	1124	our $MAX_RESET = 3600;
1111	our $DEFAULT_RESET = 3000;	1125	our $DEFAULT_RESET = 3000;
1112		1126
1113	sub generate_random_map {	1127	sub generate_random_map {
1114	my ($path, $rmp) = @_;	1128	my ($self, $rmp) = @_;
1115
1116	# mit "rum" bekleckern, nicht	1129	# mit "rum" bekleckern, nicht
1117	cf::map::_create_random_map	1130	$self->_create_random_map (
1118	$path,
1119	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1120	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1121	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1122	$rmp->{exit_on_final_map},	1134	$rmp->{exit_on_final_map},
1123	$rmp->{xsize}, $rmp->{ysize},	1135	$rmp->{xsize}, $rmp->{ysize},
1124	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1125	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1126	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1127	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1139	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1128	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1129	(cf::region::find $rmp->{region})	1141	(cf::region::find $rmp->{region}), $rmp->{custom}
		1142	)
		1143	}
		1144
		1145	=item cf::map->register ($regex, $prio)
		1146
		1147	Register a handler for the map path matching the given regex at the
		1148	givne priority (higher is better, built-in handlers have priority 0, the
		1149	default).
		1150
		1151	=cut
		1152
		1153	sub register {
		1154	my (undef, $regex, $prio) = @_;
		1155	my $pkg = caller;
		1156
		1157	no strict;
		1158	push @{"$pkg\::ISA"}, __PACKAGE__;
		1159
		1160	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1161	}
		1162
		1163	# also paths starting with '/'
		1164	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1165
		1166	sub thawer_merge {
		1167	my ($self, $merge) = @_;
		1168
		1169	# we have to keep some variables in memory intact
		1170	local $self->{path};
		1171	local $self->{load_path};
		1172	local $self->{deny_save};
		1173	local $self->{deny_reset};
		1174
		1175	$self->SUPER::thawer_merge ($merge);
		1176	}
		1177
		1178	sub normalise {
		1179	my ($path, $base) = @_;
		1180
		1181	$path = "$path"; # make sure its a string
		1182
		1183	# map plan:
		1184	#
		1185	# /! non-realised random map exit (special hack!)
		1186	# {... are special paths that are not being touched
		1187	# ?xxx/... are special absolute paths
		1188	# ?random/... random maps
		1189	# /... normal maps
		1190	# ~user/... per-player map of a specific user
		1191
		1192	$path =~ s/$PATH_SEP/\//go;
		1193
		1194	# treat it as relative path if it starts with
		1195	# something that looks reasonable
		1196	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1197	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1198
		1199	$base =~ s{[^/]+/?$}{};
		1200	$path = "$base/$path";
		1201	}
		1202
		1203	for ($path) {
		1204	redo if s{//}{/};
		1205	redo if s{/\.?/}{/};
		1206	redo if s{/[^/]+/\.\./}{/};
		1207	}
		1208
		1209	$path
		1210	}
		1211
		1212	sub new_from_path {
		1213	my (undef, $path, $base) = @_;
		1214
		1215	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1216
		1217	$path = normalise $path, $base;
		1218
		1219	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1220	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1221	my $self = bless cf::map::new, $pkg;
		1222	$self->{path} = $path; $self->path ($path);
		1223	$self->init; # pass $1 etc.
		1224	return $self;
		1225	}
		1226	}
		1227
		1228	Carp::carp "unable to resolve path '$path' (base '$base').";
		1229	()
		1230	}
		1231
		1232	sub init {
		1233	my ($self) = @_;
		1234
		1235	$self
		1236	}
		1237
		1238	sub as_string {
		1239	my ($self) = @_;
		1240
		1241	"$self->{path}"
		1242	}
		1243
		1244	# the displayed name, this is a one way mapping
		1245	sub visible_name {
		1246	&as_string
		1247	}
		1248
		1249	# the original (read-only) location
		1250	sub load_path {
		1251	my ($self) = @_;
		1252
		1253	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		1254	}
		1255
		1256	# the temporary/swap location
		1257	sub save_path {
		1258	my ($self) = @_;
		1259
		1260	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1261	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
		1262	}
		1263
		1264	# the unique path, undef == no special unique path
		1265	sub uniq_path {
		1266	my ($self) = @_;
		1267
		1268	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1269	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1130	}	1270	}
1131		1271
1132	# and all this just because we cannot iterate over	1272	# and all this just because we cannot iterate over
1133	# all maps in C++...	1273	# all maps in C++...
1134	sub change_all_map_light {	1274	sub change_all_map_light {
…		…
1136		1276
1137	$_->change_map_light ($change)	1277	$_->change_map_light ($change)
1138	for grep $_->outdoor, values %cf::MAP;	1278	for grep $_->outdoor, values %cf::MAP;
1139	}	1279	}
1140		1280
		1281	sub unlink_save {
		1282	my ($self) = @_;
		1283
		1284	utf8::encode (my $save = $self->save_path);
		1285	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1286	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1287	}
		1288
1141	sub try_load_header($) {	1289	sub load_header_from($) {
1142	my ($path) = @_;	1290	my ($self, $path) = @_;
1143		1291
1144	utf8::encode $path;	1292	utf8::encode $path;
1145	aio_open $path, O_RDONLY, 0	1293	aio_open $path, O_RDONLY, 0
1146	or return;	1294	or return;
1147		1295
1148	my $map = cf::map::new	1296	$self->_load_header ($path)
1149	or return;	1297	or return;
1150		1298
1151	# for better error messages only, will be overwritten	1299	$self->{load_path} = $path;
1152	$map->path ($path);
1153		1300
1154	$map->load_header ($path)	1301	1
		1302	}
		1303
		1304	sub load_header_orig {
		1305	my ($self) = @_;
		1306
		1307	$self->load_header_from ($self->load_path)
		1308	}
		1309
		1310	sub load_header_temp {
		1311	my ($self) = @_;
		1312
		1313	$self->load_header_from ($self->save_path)
		1314	}
		1315
		1316	sub prepare_temp {
		1317	my ($self) = @_;
		1318
		1319	$self->last_access ((delete $self->{last_access})
		1320	|| $cf::RUNTIME); #d#
		1321	# safety
		1322	$self->{instantiate_time} = $cf::RUNTIME
		1323	if $self->{instantiate_time} > $cf::RUNTIME;
		1324	}
		1325
		1326	sub prepare_orig {
		1327	my ($self) = @_;
		1328
		1329	$self->{load_original} = 1;
		1330	$self->{instantiate_time} = $cf::RUNTIME;
		1331	$self->last_access ($cf::RUNTIME);
		1332	$self->instantiate;
		1333	}
		1334
		1335	sub load_header {
		1336	my ($self) = @_;
		1337
		1338	if ($self->load_header_temp) {
		1339	$self->prepare_temp;
		1340	} else {
		1341	$self->load_header_orig
1155	or return;	1342	or return;
		1343	$self->prepare_orig;
		1344	}
1156		1345
1157	$map->{load_path} = $path;	1346	1
1158
1159	$map
1160	}	1347	}
1161		1348
1162	sub find;	1349	sub find;
1163	sub find {	1350	sub find {
1164	my ($path, $origin) = @_;	1351	my ($path, $origin) = @_;
1165		1352
1166	#warn "find<$path,$origin>\n";#d#
1167
1168	$path = new cf::path $path, $origin && $origin->path;	1353	$path = normalise $path, $origin && $origin->path;
1169	my $key = $path->as_string;
1170		1354
1171	cf::lock_wait "map_find:$key";	1355	cf::lock_wait "map_find:$path";
1172		1356
1173	$cf::MAP{$key} || do {	1357	$cf::MAP{$path} || do {
1174	my $guard = cf::lock_acquire "map_find:$key";	1358	my $guard = cf::lock_acquire "map_find:$path";
1175		1359	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;	1360	or return;
1195		1361
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;	1362	$map->{last_save} = $cf::RUNTIME;
1208		1363
1209	Coro::cede;	1364	$map->load_header
		1365	or return;
1210		1366
1211	if ($map->should_reset) {	1367	if ($map->should_reset) {
		1368	# doing this can freeze the server in a sync job, obviously
		1369	#$cf::WAIT_FOR_TICK->wait;
1212	$map->reset;	1370	$map->reset;
1213	undef $guard;	1371	undef $guard;
1214	$map = find $path	1372	return find $path;
1215	or return;
1216	}	1373	}
1217		1374
1218	$cf::MAP{$key} = $map	1375	$cf::MAP{$path} = $map
1219	}	1376	}
1220	}	1377	}
		1378
		1379	sub pre_load { }
		1380	sub post_load { }
1221		1381
1222	sub load {	1382	sub load {
1223	my ($self) = @_;	1383	my ($self) = @_;
1224		1384
1225	my $path = $self->{path};	1385	my $path = $self->{path};
1226	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1386	my $guard = cf::lock_acquire "map_load:$path";
1227		1387
1228	return if $self->in_memory != cf::MAP_SWAPPED;	1388	return if $self->in_memory != cf::MAP_SWAPPED;
1229		1389
1230	$self->in_memory (cf::MAP_LOADING);	1390	$self->in_memory (cf::MAP_LOADING);
1231		1391
1232	$self->alloc;	1392	$self->alloc;
		1393
		1394	$self->pre_load;
		1395
1233	$self->load_objects ($self->{load_path}, 1)	1396	$self->_load_objects ($self->{load_path}, 1)
1234	or return;	1397	or return;
1235		1398
1236	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1399	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1237	if delete $self->{load_original};	1400	if delete $self->{load_original};
1238		1401
1239	if (my $uniq = $path->uniq_path) {	1402	if (my $uniq = $self->uniq_path) {
1240	utf8::encode $uniq;	1403	utf8::encode $uniq;
1241	if (aio_open $uniq, O_RDONLY, 0) {	1404	if (aio_open $uniq, O_RDONLY, 0) {
1242	$self->clear_unique_items;	1405	$self->clear_unique_items;
1243	$self->load_objects ($uniq, 0);	1406	$self->_load_objects ($uniq, 0);
1244	}	1407	}
1245	}	1408	}
1246		1409
1247	Coro::cede;	1410	Coro::cede;
1248		1411
1249	# now do the right thing for maps	1412	# now do the right thing for maps
1250	$self->link_multipart_objects;	1413	$self->link_multipart_objects;
1251		1414
1252	if ($self->{path}->is_style_map) {	1415	unless ($self->{deny_activate}) {
1253	$self->{deny_save} = 1;	1416	$self->decay_objects;
1254	$self->{deny_reset} = 1;
1255	} else {
1256	$self->fix_auto_apply;	1417	$self->fix_auto_apply;
1257	$self->decay_objects;
1258	$self->update_buttons;	1418	$self->update_buttons;
		1419	Coro::cede;
1259	$self->set_darkness_map;	1420	$self->set_darkness_map;
1260	$self->difficulty ($self->estimate_difficulty)	1421	$self->difficulty ($self->estimate_difficulty)
1261	unless $self->difficulty;	1422	unless $self->difficulty;
		1423	Coro::cede;
1262	$self->activate;	1424	$self->activate;
1263	}	1425	}
1264		1426
1265	Coro::cede;	1427	$self->post_load;
1266		1428
1267	$self->in_memory (cf::MAP_IN_MEMORY);	1429	$self->in_memory (cf::MAP_IN_MEMORY);
		1430	}
		1431
		1432	sub customise_for {
		1433	my ($self, $ob) = @_;
		1434
		1435	return find "~" . $ob->name . "/" . $self->{path}
		1436	if $self->per_player;
		1437
		1438	$self
		1439	}
		1440
		1441	# find and load all maps in the 3x3 area around a map
		1442	sub load_diag {
		1443	my ($map) = @_;
		1444
		1445	my @diag; # diagonal neighbours
		1446
		1447	for (0 .. 3) {
		1448	my $neigh = $map->tile_path ($_)
		1449	or next;
		1450	$neigh = find $neigh, $map
		1451	or next;
		1452	$neigh->load;
		1453
		1454	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1455	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1456	}
		1457
		1458	for (@diag) {
		1459	my $neigh = find @$_
		1460	or next;
		1461	$neigh->load;
		1462	}
1268	}	1463	}
1269		1464
1270	sub find_sync {	1465	sub find_sync {
1271	my ($path, $origin) = @_;	1466	my ($path, $origin) = @_;
1272		1467
1273	cf::sync_job { cf::map::find $path, $origin }	1468	cf::sync_job { find $path, $origin }
1274	}	1469	}
1275		1470
1276	sub do_load_sync {	1471	sub do_load_sync {
1277	my ($map) = @_;	1472	my ($map) = @_;
1278		1473
1279	cf::sync_job { $map->load };	1474	cf::sync_job { $map->load };
1280	}	1475	}
1281		1476
		1477	our %MAP_PREFETCH;
		1478	our $MAP_PREFETCHER = undef;
		1479
		1480	sub find_async {
		1481	my ($path, $origin) = @_;
		1482
		1483	$path = normalise $path, $origin && $origin->{path};
		1484
		1485	if (my $map = $cf::MAP{$path}) {
		1486	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1487	}
		1488
		1489	undef $MAP_PREFETCH{$path};
		1490	$MAP_PREFETCHER ||= cf::async {
		1491	while (%MAP_PREFETCH) {
		1492	for my $path (keys %MAP_PREFETCH) {
		1493	my $map = find $path
		1494	or next;
		1495	$map->load;
		1496
		1497	delete $MAP_PREFETCH{$path};
		1498	}
		1499	}
		1500	undef $MAP_PREFETCHER;
		1501	};
		1502	$MAP_PREFETCHER->prio (6);
		1503
		1504	()
		1505	}
		1506
1282	sub save {	1507	sub save {
1283	my ($self) = @_;	1508	my ($self) = @_;
1284		1509
1285	my $lock = cf::lock_acquire "map_data:" . $self->path;	1510	my $lock = cf::lock_acquire "map_data:" . $self->path;
1286		1511
1287	$self->{last_save} = $cf::RUNTIME;	1512	$self->{last_save} = $cf::RUNTIME;
1288		1513
1289	return unless $self->dirty;	1514	return unless $self->dirty;
1290		1515
1291	my $save = $self->{path}->save_path; utf8::encode $save;	1516	my $save = $self->save_path; utf8::encode $save;
1292	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1517	my $uniq = $self->uniq_path; utf8::encode $uniq;
1293		1518
1294	$self->{load_path} = $save;	1519	$self->{load_path} = $save;
1295		1520
1296	return if $self->{deny_save};	1521	return if $self->{deny_save};
1297		1522
1298	local $self->{last_access} = $self->last_access;#d#	1523	local $self->{last_access} = $self->last_access;#d#
1299		1524
		1525	cf::async {
		1526	$_->contr->save for $self->players;
		1527	};
		1528
1300	if ($uniq) {	1529	if ($uniq) {
1301	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1530	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1302	$self->save_objects ($uniq, cf::IO_UNIQUES);	1531	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1303	} else {	1532	} else {
1304	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1533	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1305	}	1534	}
1306	}	1535	}
1307		1536
1308	sub swap_out {	1537	sub swap_out {
1309	my ($self) = @_;	1538	my ($self) = @_;
…		…
1323		1552
1324	sub reset_at {	1553	sub reset_at {
1325	my ($self) = @_;	1554	my ($self) = @_;
1326		1555
1327	# TODO: safety, remove and allow resettable per-player maps	1556	# TODO: safety, remove and allow resettable per-player maps
1328	return 1e99 if $self->{path}{user_rel};	1557	return 1e99 if $self->isa ("ext::map_per_player");#d#
1329	return 1e99 if $self->{deny_reset};	1558	return 1e99 if $self->{deny_reset};
1330		1559
1331	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1560	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1332	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1561	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1333		1562
…		…
1338	my ($self) = @_;	1567	my ($self) = @_;
1339		1568
1340	$self->reset_at <= $cf::RUNTIME	1569	$self->reset_at <= $cf::RUNTIME
1341	}	1570	}
1342		1571
1343	sub unlink_save {
1344	my ($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	$self->save;
1362	}
1363
1364	sub reset {	1572	sub reset {
1365	my ($self) = @_;	1573	my ($self) = @_;
1366		1574
1367	my $lock = cf::lock_acquire "map_data:" . $self->path;	1575	my $lock = cf::lock_acquire "map_data:$self->{path}";
1368		1576
1369	return if $self->players;	1577	return if $self->players;
1370	return if $self->{path}{user_rel};#d#	1578	return if $self->isa ("ext::map_per_player");#d#
1371		1579
1372	warn "resetting map ", $self->path;#d#	1580	warn "resetting map ", $self->path;#d#
1373		1581
1374	delete $cf::MAP{$self->path};	1582	delete $cf::MAP{$self->path};
		1583
		1584	$self->in_memory (cf::MAP_SWAPPED);
		1585	$self->clear;
1375		1586
1376	$_->clear_links_to ($self) for values %cf::MAP;	1587	$_->clear_links_to ($self) for values %cf::MAP;
1377		1588
1378	$self->unlink_save;	1589	$self->unlink_save;
1379	$self->destroy;	1590	$self->destroy;
…		…
1382	my $nuke_counter = "aaaa";	1593	my $nuke_counter = "aaaa";
1383		1594
1384	sub nuke {	1595	sub nuke {
1385	my ($self) = @_;	1596	my ($self) = @_;
1386		1597
		1598	delete $cf::MAP{$self->path};
		1599
		1600	$self->unlink_save;
		1601
		1602	bless $self, "cf::map";
		1603	delete $self->{deny_reset};
1387	$self->{deny_save} = 1;	1604	$self->{deny_save} = 1;
1388	$self->reset_timeout (1);	1605	$self->reset_timeout (1);
1389	$self->rename ("{nuke}/" . ($nuke_counter++));	1606	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1607
		1608	$cf::MAP{$self->path} = $self;
		1609
1390	$self->reset; # polite request, might not happen	1610	$self->reset; # polite request, might not happen
1391	}	1611	}
1392		1612
1393	sub customise_for {	1613	=item cf::map::unique_maps
1394	my ($map, $ob) = @_;
1395		1614
1396	if ($map->per_player) {	1615	Returns an arrayref of paths of all shared maps that have
1397	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1616	instantiated unique items. May block.
1398	}
1399		1617
1400	$map	1618	=cut
1401	}
1402		1619
1403	sub emergency_save {	1620	sub unique_maps() {
1404	my $freeze_guard = cf::freeze_mainloop;	1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1622	or return;
1405		1623
1406	warn "enter emergency map save\n";	1624	my @paths;
1407		1625
1408	cf::sync_job {	1626	for (@$files) {
1409	warn "begin emergency map save\n";	1627	utf8::decode $_;
1410	$_->save for values %cf::MAP;	1628	next if /\.pst$/;
		1629	next unless /^$PATH_SEP/o;
		1630
		1631	s/\.map$//;
		1632	push @paths, $_;
1411	};	1633	}
1412		1634
1413	warn "end emergency map save\n";	1635	\@paths
1414	}	1636	}
1415		1637
1416	package cf;	1638	package cf;
1417		1639
1418	=back	1640	=back
1419		1641
		1642	=head3 cf::object
		1643
		1644	=cut
		1645
		1646	package cf::object;
		1647
		1648	=over 4
		1649
		1650	=item $ob->inv_recursive
		1651
		1652	Returns the inventory of the object _and_ their inventories, recursively.
		1653
		1654	=cut
		1655
		1656	sub inv_recursive_;
		1657	sub inv_recursive_ {
		1658	map { $_, inv_recursive_ $_->inv } @_
		1659	}
		1660
		1661	sub inv_recursive {
		1662	inv_recursive_ inv $_[0]
		1663	}
		1664
		1665	package cf;
		1666
		1667	=back
1420		1668
1421	=head3 cf::object::player	1669	=head3 cf::object::player
1422		1670
1423	=over 4	1671	=over 4
1424		1672
…		…
1464		1712
1465	=item $player_object->enter_link	1713	=item $player_object->enter_link
1466		1714
1467	Freezes the player and moves him/her to a special map (C<{link}>).	1715	Freezes the player and moves him/her to a special map (C<{link}>).
1468		1716
1469	The player should be reaosnably safe there for short amounts of time. You	1717	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.	1718	I<MUST> call C<leave_link> as soon as possible, though.
1471		1719
		1720	Will never block.
		1721
1472	=item $player_object->leave_link ($map, $x, $y)	1722	=item $player_object->leave_link ($map, $x, $y)
1473		1723
1474	Moves the player out of the specila link map onto the given map. If the	1724	Moves the player out of the special C<{link}> map onto the specified
1475	map is not valid (or omitted), the player will be moved back to the	1725	map. If the map is not valid (or omitted), the player will be moved back
1476	location he/she was before the call to C<enter_link>, or, if that fails,	1726	to the location he/she was before the call to C<enter_link>, or, if that
1477	to the emergency map position.	1727	fails, to the emergency map position.
1478		1728
1479	Might block.	1729	Might block.
1480		1730
1481	=cut	1731	=cut
		1732
		1733	sub link_map {
		1734	unless ($LINK_MAP) {
		1735	$LINK_MAP = cf::map::find "{link}"
		1736	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
		1737	$LINK_MAP->load;
		1738	}
		1739
		1740	$LINK_MAP
		1741	}
1482		1742
1483	sub cf::object::player::enter_link {	1743	sub cf::object::player::enter_link {
1484	my ($self) = @_;	1744	my ($self) = @_;
1485		1745
1486	$self->deactivate_recursive;	1746	$self->deactivate_recursive;
1487		1747
1488	return if $self->map == $LINK_MAP;	1748	return if UNIVERSAL::isa $self->map, "ext::map_link";
1489		1749
1490	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1750	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1491	if $self->map;	1751	if $self->map;
1492		1752
1493	$self->enter_map ($LINK_MAP, 20, 20);	1753	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1494	}	1754	}
1495		1755
1496	sub cf::object::player::leave_link {	1756	sub cf::object::player::leave_link {
1497	my ($self, $map, $x, $y) = @_;	1757	my ($self, $map, $x, $y) = @_;
1498		1758
…		…
1516	# use -1 or undef as default coordinates, not 0, 0	1776	# use -1 or undef as default coordinates, not 0, 0
1517	($x, $y) = ($map->enter_x, $map->enter_y)	1777	($x, $y) = ($map->enter_x, $map->enter_y)
1518	if $x <=0 && $y <= 0;	1778	if $x <=0 && $y <= 0;
1519		1779
1520	$map->load;	1780	$map->load;
		1781	$map->load_diag;
1521		1782
		1783	return unless $self->contr->active;
1522	$self->activate_recursive;	1784	$self->activate_recursive;
1523	$self->enter_map ($map, $x, $y);	1785	$self->enter_map ($map, $x, $y);
1524	}	1786	}
1525		1787
1526	cf::player->attach (	1788	cf::player->attach (
…		…
1539		1801
1540	# try to abort aborted map switching on player login :)	1802	# try to abort aborted map switching on player login :)
1541	# should happen only on crashes	1803	# should happen only on crashes
1542	if ($pl->ob->{_link_pos}) {	1804	if ($pl->ob->{_link_pos}) {
1543	$pl->ob->enter_link;	1805	$pl->ob->enter_link;
1544	Coro::async_pool {	1806	(async {
1545	# we need this sleep as the login has a concurrent enter_exit running	1807	# 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	1808	# and this sleep increases chances of the player not ending up in scorn
		1809	$pl->ob->reply (undef,
		1810	"There was an internal problem at your last logout, "
		1811	. "the server will try to bring you to your intended destination in a second.",
		1812	cf::NDI_RED);
1547	Coro::Timer::sleep 1;	1813	Coro::Timer::sleep 1;
1548	$pl->ob->leave_link;	1814	$pl->ob->leave_link;
1549	};	1815	})->prio (2);
1550	}	1816	}
1551	},	1817	},
1552	);	1818	);
1553		1819
1554	=item $player_object->goto ($path, $x, $y)	1820	=item $player_object->goto ($path, $x, $y)
…		…
1558	sub cf::object::player::goto {	1824	sub cf::object::player::goto {
1559	my ($self, $path, $x, $y) = @_;	1825	my ($self, $path, $x, $y) = @_;
1560		1826
1561	$self->enter_link;	1827	$self->enter_link;
1562		1828
1563	(Coro::async_pool {	1829	(async {
1564	$path = new cf::path $path;
1565
1566	my $map = cf::map::find $path->as_string;	1830	my $map = cf::map::find $path;
1567	$map = $map->customise_for ($self) if $map;	1831	$map = $map->customise_for ($self) if $map;
1568		1832
1569	# warn "entering ", $map->path, " at ($x, $y)\n"	1833	# warn "entering ", $map->path, " at ($x, $y)\n"
1570	# if $map;	1834	# if $map;
1571		1835
1572	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1836	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1573		1837
1574	$self->leave_link ($map, $x, $y);	1838	$self->leave_link ($map, $x, $y);
1575	})->prio (1);	1839	})->prio (1);
1576	}	1840	}
1577		1841
…		…
1581		1845
1582	sub parse_random_map_params {	1846	sub parse_random_map_params {
1583	my ($spec) = @_;	1847	my ($spec) = @_;
1584		1848
1585	my $rmp = { # defaults	1849	my $rmp = { # defaults
1586	xsize => 10,	1850	xsize => (cf::rndm 15, 40),
1587	ysize => 10,	1851	ysize => (cf::rndm 15, 40),
		1852	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1853	#layout => string,
1588	};	1854	};
1589		1855
1590	for (split /\n/, $spec) {	1856	for (split /\n/, $spec) {
1591	my ($k, $v) = split /\s+/, $_, 2;	1857	my ($k, $v) = split /\s+/, $_, 2;
1592		1858
…		…
1596	$rmp	1862	$rmp
1597	}	1863	}
1598		1864
1599	sub prepare_random_map {	1865	sub prepare_random_map {
1600	my ($exit) = @_;	1866	my ($exit) = @_;
		1867
		1868	my $guard = cf::lock_acquire "exit_prepare:$exit";
1601		1869
1602	# all this does is basically replace the /! path by	1870	# all this does is basically replace the /! path by
1603	# a new random map path (?random/...) with a seed	1871	# a new random map path (?random/...) with a seed
1604	# that depends on the exit object	1872	# that depends on the exit object
1605		1873
…		…
1614		1882
1615	$rmp->{random_seed} ||= $exit->random_seed;	1883	$rmp->{random_seed} ||= $exit->random_seed;
1616		1884
1617	my $data = cf::to_json $rmp;	1885	my $data = cf::to_json $rmp;
1618	my $md5 = Digest::MD5::md5_hex $data;	1886	my $md5 = Digest::MD5::md5_hex $data;
		1887	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1619		1888
1620	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1889	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1621	aio_write $fh, 0, (length $data), $data, 0;	1890	aio_write $fh, 0, (length $data), $data, 0;
		1891	undef $fh;
		1892	aio_rename "$meta~", $meta;
1622		1893
1623	$exit->slaying ("?random/$md5");	1894	$exit->slaying ("?random/$md5");
1624	$exit->msg (undef);	1895	$exit->msg (undef);
1625	}	1896	}
1626	}	1897	}
…		…
1630		1901
1631	return unless $self->type == cf::PLAYER;	1902	return unless $self->type == cf::PLAYER;
1632		1903
1633	$self->enter_link;	1904	$self->enter_link;
1634		1905
1635	(Coro::async_pool {	1906	(async {
1636	$self->deactivate_recursive; # just to be sure	1907	$self->deactivate_recursive; # just to be sure
1637	unless (eval {	1908	unless (eval {
1638	prepare_random_map $exit	1909	prepare_random_map $exit
1639	if $exit->slaying eq "/!";	1910	if $exit->slaying eq "/!";
1640		1911
1641	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1912	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1642	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	1913	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1643		1914
1644	1;	1915	1;
1645	}) {	1916	}) {
1646	$self->message ("Something went wrong deep within the crossfire server. "	1917	$self->message ("Something went wrong deep within the crossfire server. "
1647	. "I'll try to bring you back to the map you were before. "	1918	. "I'll try to bring you back to the map you were before. "
1648	. "Please report this to the dungeon master",	1919	. "Please report this to the dungeon master!",
1649	cf::NDI_UNIQUE | cf::NDI_RED);	1920	cf::NDI_UNIQUE | cf::NDI_RED);
1650		1921
1651	warn "ERROR in enter_exit: $@";	1922	warn "ERROR in enter_exit: $@";
1652	$self->leave_link;	1923	$self->leave_link;
1653	}	1924	}
…		…
1721	}	1992	}
1722	}	1993	}
1723	},	1994	},
1724	);	1995	);
1725		1996
1726	=item $client->coro (\&cb)	1997	=item $client->async (\&cb)
1727		1998
1728	Create a new coroutine, running the specified callback. The coroutine will	1999	Create a new coroutine, running the specified callback. The coroutine will
1729	be automatically cancelled when the client gets destroyed (e.g. on logout,	2000	be automatically cancelled when the client gets destroyed (e.g. on logout,
1730	or loss of connection).	2001	or loss of connection).
1731		2002
1732	=cut	2003	=cut
1733		2004
1734	sub cf::client::coro {	2005	sub cf::client::async {
1735	my ($self, $cb) = @_;	2006	my ($self, $cb) = @_;
1736		2007
1737	my $coro = &Coro::async_pool ($cb);	2008	my $coro = &Coro::async ($cb);
1738		2009
1739	$coro->on_destroy (sub {	2010	$coro->on_destroy (sub {
1740	delete $self->{_coro}{$coro+0};	2011	delete $self->{_coro}{$coro+0};
1741	});	2012	});
1742		2013
…		…
1936	sub db_sync() {	2207	sub db_sync() {
1937	db_save if $dirty;	2208	db_save if $dirty;
1938	undef $dirty;	2209	undef $dirty;
1939	}	2210	}
1940		2211
1941	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2212	my $idle = Event->idle (
1942	db_sync;	2213	reentrant => 0,
		2214	min => 10,
		2215	max => 20,
		2216	repeat => 0,
		2217	data => WF_AUTOCANCEL,
		2218	cb => \&db_sync,
1943	});	2219	);
1944		2220
1945	sub db_dirty() {	2221	sub db_dirty() {
1946	$dirty = 1;	2222	$dirty = 1;
1947	$idle->start;	2223	$idle->start;
1948	}	2224	}
…		…
1980	local $/;	2256	local $/;
1981	*CFG = YAML::Syck::Load <$fh>;	2257	*CFG = YAML::Syck::Load <$fh>;
1982		2258
1983	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2259	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1984		2260
		2261	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2262	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2263
1985	if (exists $CFG{mlockall}) {	2264	if (exists $CFG{mlockall}) {
1986	eval {	2265	eval {
1987	$CFG{mlockall} ? &mlockall : &munlockall	2266	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1988	and die "WARNING: m(un)lockall failed: $!\n";	2267	and die "WARNING: m(un)lockall failed: $!\n";
1989	};	2268	};
1990	warn $@ if $@;	2269	warn $@ if $@;
1991	}	2270	}
1992	}	2271	}
1993		2272
1994	sub main {	2273	sub main {
1995	# we must not ever block the main coroutine	2274	# we must not ever block the main coroutine
1996	local $Coro::idle = sub {	2275	local $Coro::idle = sub {
1997	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2276	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1998	(Coro::unblock_sub {	2277	(async {
1999	Event::one_event;	2278	Event::one_event;
2000	})->();	2279	})->prio (Coro::PRIO_MAX);
2001	};	2280	};
2002		2281
2003	cfg_load;	2282	cfg_load;
2004	db_load;	2283	db_load;
2005	load_extensions;	2284	load_extensions;
		2285
		2286	$TICK_WATCHER->start;
2006	Event::loop;	2287	Event::loop;
2007	}	2288	}
2008		2289
2009	#############################################################################	2290	#############################################################################
2010	# initialisation	2291	# initialisation and cleanup
		2292
		2293	# install some emergency cleanup handlers
		2294	BEGIN {
		2295	for my $signal (qw(INT HUP TERM)) {
		2296	Event->signal (
		2297	reentrant => 0,
		2298	data => WF_AUTOCANCEL,
		2299	signal => $signal,
		2300	prio => 0,
		2301	cb => sub {
		2302	cf::cleanup "SIG$signal";
		2303	},
		2304	);
		2305	}
		2306	}
		2307
		2308	sub emergency_save() {
		2309	my $freeze_guard = cf::freeze_mainloop;
		2310
		2311	warn "enter emergency perl save\n";
		2312
		2313	cf::sync_job {
		2314	# use a peculiar iteration method to avoid tripping on perl
		2315	# refcount bugs in for. also avoids problems with players
		2316	# and maps saved/destroyed asynchronously.
		2317	warn "begin emergency player save\n";
		2318	for my $login (keys %cf::PLAYER) {
		2319	my $pl = $cf::PLAYER{$login} or next;
		2320	$pl->valid or next;
		2321	$pl->save;
		2322	}
		2323	warn "end emergency player save\n";
		2324
		2325	warn "begin emergency map save\n";
		2326	for my $path (keys %cf::MAP) {
		2327	my $map = $cf::MAP{$path} or next;
		2328	$map->valid or next;
		2329	$map->save;
		2330	}
		2331	warn "end emergency map save\n";
		2332	};
		2333
		2334	warn "leave emergency perl save\n";
		2335	}
2011		2336
2012	sub reload() {	2337	sub reload() {
2013	# can/must only be called in main	2338	# can/must only be called in main
2014	if ($Coro::current != $Coro::main) {	2339	if ($Coro::current != $Coro::main) {
2015	warn "can only reload from main coroutine\n";	2340	warn "can only reload from main coroutine";
2016	return;	2341	return;
2017	}	2342	}
2018		2343
2019	warn "reloading...";	2344	warn "reloading...";
2020		2345
2021	my $guard = freeze_mainloop;	2346	warn "cancelling server ticker";
		2347	$TICK_WATCHER->cancel;
		2348
2022	cf::emergency_save;	2349	cf::emergency_save;
2023		2350
2024	eval {	2351	eval {
2025	# if anything goes wrong in here, we should simply crash as we already saved	2352	# if anything goes wrong in here, we should simply crash as we already saved
2026		2353
2027	# cancel all watchers	2354	warn "syncing database to disk";
		2355	cf::db_sync;
		2356
		2357	warn "cancelling all WF_AUTOCANCEL watchers";
2028	for (Event::all_watchers) {	2358	for (Event::all_watchers) {
2029	$_->cancel if $_->data & WF_AUTOCANCEL;	2359	$_->cancel if $_->data & WF_AUTOCANCEL;
2030	}	2360	}
2031		2361
		2362	warn "flushing outstanding aio requests";
		2363	for (;;) {
		2364	IO::AIO::flush;
		2365	Coro::cede;
		2366	last unless IO::AIO::nreqs;
		2367	warn "iterate...";
		2368	}
		2369
2032	# cancel all extension coros	2370	warn "cancelling all extension coros";
2033	$_->cancel for values %EXT_CORO;	2371	$_->cancel for values %EXT_CORO;
2034	%EXT_CORO = ();	2372	%EXT_CORO = ();
2035		2373
2036	# unload all extensions	2374	warn "removing commands";
2037	for (@exts) {	2375	%COMMAND = ();
		2376
		2377	warn "removing ext commands";
		2378	%EXTCMD = ();
		2379
		2380	warn "unloading/nuking all extensions";
		2381	for my $pkg (@EXTS) {
2038	warn "unloading <$_>";	2382	warn "... unloading $pkg";
2039	unload_extension $_;	2383
		2384	if (my $cb = $pkg->can ("unload")) {
		2385	eval {
		2386	$cb->($pkg);
		2387	1
		2388	} or warn "$pkg unloaded, but with errors: $@";
2040	}	2389	}
2041		2390
		2391	warn "... nuking $pkg";
		2392	Symbol::delete_package $pkg;
		2393	}
		2394
2042	# unload all modules loaded from $LIBDIR	2395	warn "unloading all perl modules loaded from $LIBDIR";
2043	while (my ($k, $v) = each %INC) {	2396	while (my ($k, $v) = each %INC) {
2044	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2397	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2045		2398
2046	warn "removing <$k>";	2399	warn "... unloading $k";
2047	delete $INC{$k};	2400	delete $INC{$k};
2048		2401
2049	$k =~ s/\.pm$//;	2402	$k =~ s/\.pm$//;
2050	$k =~ s/\//::/g;	2403	$k =~ s/\//::/g;
2051		2404
…		…
2054	}	2407	}
2055		2408
2056	Symbol::delete_package $k;	2409	Symbol::delete_package $k;
2057	}	2410	}
2058		2411
2059	# sync database to disk
2060	cf::db_sync;
2061	IO::AIO::flush;
2062
2063	# get rid of safe::, as good as possible	2412	warn "getting rid of safe::, as good as possible";
2064	Symbol::delete_package "safe::$_"	2413	Symbol::delete_package "safe::$_"
2065	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2414	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2066		2415
2067	# remove register_script_function callbacks
2068	# TODO
2069
2070	# unload cf.pm "a bit"	2416	warn "unloading cf.pm \"a bit\"";
2071	delete $INC{"cf.pm"};	2417	delete $INC{"cf.pm"};
2072		2418
2073	# don't, removes xs symbols, too,	2419	# don't, removes xs symbols, too,
2074	# and global variables created in xs	2420	# and global variables created in xs
2075	#Symbol::delete_package __PACKAGE__;	2421	#Symbol::delete_package __PACKAGE__;
2076		2422
2077	# reload cf.pm	2423	warn "unload completed, starting to reload now";
		2424
2078	warn "reloading cf.pm";	2425	warn "reloading cf.pm";
2079	require cf;	2426	require cf;
2080	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2427	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2081		2428
2082	# load config and database again	2429	warn "loading config and database again";
2083	cf::cfg_load;	2430	cf::cfg_load;
2084	cf::db_load;	2431	cf::db_load;
2085		2432
2086	# load extensions
2087	warn "load extensions";	2433	warn "loading extensions";
2088	cf::load_extensions;	2434	cf::load_extensions;
2089		2435
2090	# reattach attachments to objects	2436	warn "reattaching attachments to objects/players";
2091	warn "reattach";
2092	_global_reattach;	2437	_global_reattach;
		2438	warn "reattaching attachments to maps";
		2439	reattach $_ for values %MAP;
		2440
		2441	warn "restarting server ticker";
		2442
		2443	$TICK_WATCHER->start;
2093	};	2444	};
2094		2445
2095	if ($@) {	2446	if ($@) {
2096	warn $@;	2447	warn $@;
2097	warn "error while reloading, exiting.";	2448	warn "error while reloading, exiting.";
2098	exit 1;	2449	exit 1;
2099	}	2450	}
2100		2451
2101	warn "reloaded successfully";	2452	warn "reloaded";
2102	};	2453	};
2103		2454
2104	#############################################################################	2455	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} = $LINK_MAP;
2145	}
2146
2147	register "<global>", __PACKAGE__;
2148		2456
2149	register_command "reload" => sub {	2457	register_command "reload" => sub {
2150	my ($who, $arg) = @_;	2458	my ($who, $arg) = @_;
2151		2459
2152	if ($who->flag (FLAG_WIZ)) {	2460	if ($who->flag (FLAG_WIZ)) {
2153	$who->message ("start of reload.");	2461	$who->message ("reloading server.");
		2462
		2463	# doing reload synchronously and two reloads happen back-to-back,
		2464	# coro crashes during coro_state_free->destroy here.
		2465
		2466	$RELOAD_WATCHER ||= Event->timer (
		2467	reentrant => 0,
		2468	after => 0,
		2469	data => WF_AUTOCANCEL,
		2470	cb => sub {
2154	reload;	2471	reload;
2155	$who->message ("end of reload.");	2472	undef $RELOAD_WATCHER;
		2473	},
		2474	);
2156	}	2475	}
2157	};	2476	};
2158		2477
2159	unshift @INC, $LIBDIR;	2478	unshift @INC, $LIBDIR;
		2479
		2480	my $bug_warning = 0;
2160		2481
2161	$TICK_WATCHER = Event->timer (	2482	$TICK_WATCHER = Event->timer (
2162	reentrant => 0,	2483	reentrant => 0,
		2484	parked => 1,
2163	prio => 0,	2485	prio => 0,
2164	at => $NEXT_TICK || $TICK,	2486	at => $NEXT_TICK || $TICK,
2165	data => WF_AUTOCANCEL,	2487	data => WF_AUTOCANCEL,
2166	cb => sub {	2488	cb => sub {
		2489	if ($Coro::current != $Coro::main) {
		2490	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2491	unless ++$bug_warning > 10;
		2492	return;
		2493	}
		2494
		2495	$NOW = Event::time;
		2496
2167	cf::server_tick; # one server iteration	2497	cf::server_tick; # one server iteration
2168	$RUNTIME += $TICK;	2498	$RUNTIME += $TICK;
2169	$NEXT_TICK += $TICK;	2499	$NEXT_TICK += $TICK;
		2500
		2501	$WAIT_FOR_TICK->broadcast;
		2502	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2503
		2504	Event::sweep;
		2505	Coro::cede_notself;
		2506
		2507	# my $AFTER = Event::time;
		2508	# warn $AFTER - $NOW;#d#
2170		2509
2171	# if we are delayed by four ticks or more, skip them all	2510	# if we are delayed by four ticks or more, skip them all
2172	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2511	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2173		2512
2174	$TICK_WATCHER->at ($NEXT_TICK);	2513	$TICK_WATCHER->at ($NEXT_TICK);
2175	$TICK_WATCHER->start;	2514	$TICK_WATCHER->start;
2176	},	2515	},
2177	);	2516	);
2178		2517
2179	IO::AIO::max_poll_time $TICK * 0.2;	2518	IO::AIO::max_poll_time $TICK * 0.1;
2180		2519
2181	Event->io (	2520	undef $Coro::AIO::WATCHER;
		2521	$AIO_POLL_WATCHER = Event->io (
		2522	reentrant => 0,
2182	fd => IO::AIO::poll_fileno,	2523	fd => IO::AIO::poll_fileno,
2183	poll => 'r',	2524	poll => 'r',
2184	prio => 5,	2525	prio => 6,
2185	data => WF_AUTOCANCEL,	2526	data => WF_AUTOCANCEL,
2186	cb => \&IO::AIO::poll_cb,	2527	cb => \&IO::AIO::poll_cb,
2187	);	2528	);
2188		2529
2189	Event->timer (	2530	$WRITE_RUNTIME_WATCHER = Event->timer (
		2531	reentrant => 0,
2190	data => WF_AUTOCANCEL,	2532	data => WF_AUTOCANCEL,
2191	after => 0,	2533	after => 1,
2192	interval => 10,	2534	interval => 10,
2193	cb => sub {	2535	prio => 6, # keep it lowest so it acts like a watchdog
2194	(Coro::unblock_sub {	2536	cb => Coro::unblock_sub {
2195	write_runtime	2537	write_runtime
2196	or warn "ERROR: unable to write runtime file: $!";	2538	or warn "ERROR: unable to write runtime file: $!";
2197	})->();
2198	},	2539	},
2199	);	2540	);
2200		2541
2201	END { cf::emergency_save }	2542	END { cf::emergency_save }
2202		2543

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