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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.139 by root, Fri Jan 5 19:12:03 2007 UTC vs.
Revision 1.195 by root, Fri Jan 26 20:59:57 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 (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		35
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	our %COMMAND = ();	36	our %COMMAND = ();
36	our %COMMAND_TIME = ();	37	our %COMMAND_TIME = ();
		38
		39	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	40	our %EXTCMD = ();
		41	our %EXT_CORO = (); # coroutines bound to extensions
		42	our %EXT_MAP = (); # pluggable maps
38		43
39	our @EVENT;	44	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	45	our $LIBDIR = datadir . "/ext";
41		46
42	our $TICK = MAX_TIME * 1e-6;	47	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	48	our $TICK_WATCHER;
		49	our $AIO_POLL_WATCHER;
		50	our $WRITE_RUNTIME_WATCHER;
44	our $NEXT_TICK;	51	our $NEXT_TICK;
45	our $NOW;	52	our $NOW;
46		53
47	our %CFG;	54	our %CFG;
48		55
49	our $UPTIME; $UPTIME ||= time;	56	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	57	our $RUNTIME;
51		58
		59	our %PLAYER; # all users
52	our %MAP; # all maps	60	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	61	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	62	our $RANDOM_MAPS = cf::localdir . "/random";
55	our %EXT_CORO;	63
		64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		66
		67	# used to convert map paths into valid unix filenames by replacing / by ∕
		68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		69
57	binmode STDOUT;	70	binmode STDOUT;
58	binmode STDERR;	71	binmode STDERR;
59		72
60	# read virtual server time, if available	73	# read virtual server time, if available
…		…
68	mkdir cf::localdir . "/" . cf::playerdir;	81	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	82	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	83	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	84	mkdir $RANDOM_MAPS;
72		85
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	86	our $EMERGENCY_POSITION;
76		87
77	#############################################################################	88	#############################################################################
78		89
79	=head2 GLOBAL VARIABLES	90	=head2 GLOBAL VARIABLES
…		…
104		115
105	=item %cf::CFG	116	=item %cf::CFG
106		117
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	118	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	119	from wherever your confdir points to.
		120
		121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		122
		123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		125	processing has been done. Call C<< ->wait >> on them to maximise the
		126	window of cpu time available, or simply to synchronise to the server tick.
109		127
110	=back	128	=back
111		129
112	=cut	130	=cut
113		131
…		…
117	utf8::encode $msg;	135	utf8::encode $msg;
118		136
119	$msg .= "\n"	137	$msg .= "\n"
120	unless $msg =~ /\n$/;	138	unless $msg =~ /\n$/;
121		139
122	LOG llevError, "cfperl: $msg";	140	LOG llevError, $msg;
123	};	141	};
124	}	142	}
125		143
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		163
146	$Event::DIED = sub {	164	$Event::DIED = sub {
147	warn "error in event callback: @_";	165	warn "error in event callback: @_";
148	};	166	};
149		167
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	168	=head2 UTILITY FUNCTIONS
155		169
156	=over 4	170	=over 4
157		171
		172	=item dumpval $ref
		173
158	=cut	174	=cut
		175
		176	sub dumpval {
		177	eval {
		178	local $SIG{__DIE__};
		179	my $d;
		180	if (1) {
		181	$d = new Data::Dumper([$_[0]], ["*var"]);
		182	$d->Terse(1);
		183	$d->Indent(2);
		184	$d->Quotekeys(0);
		185	$d->Useqq(1);
		186	#$d->Bless(...);
		187	$d->Seen($_[1]) if @_ > 1;
		188	$d = $d->Dump();
		189	}
		190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		191	$d
		192	} || "[unable to dump $_[0]: '$@']";
		193	}
159		194
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	195	use JSON::Syck (); # TODO# replace by JSON::PC once working
161		196
162	=item $ref = cf::from_json $json	197	=item $ref = cf::from_json $json
163		198
…		…
224	}	259	}
225		260
226	sub freeze_mainloop {	261	sub freeze_mainloop {
227	return unless $TICK_WATCHER->is_active;	262	return unless $TICK_WATCHER->is_active;
228		263
229	my $guard = Coro::guard { $TICK_WATCHER->start };	264	my $guard = Coro::guard {
		265	$TICK_WATCHER->start;
		266	$WRITE_RUNTIME_WATCHER->start;
		267	};
		268	$WRITE_RUNTIME_WATCHER->stop;
230	$TICK_WATCHER->stop;	269	$TICK_WATCHER->stop;
231	$guard	270	$guard
232	}	271	}
		272
		273	=item cf::async { BLOCK }
		274
		275	Currently the same as Coro::async_pool, meaning you cannot use
		276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		277	thing you are allowed to do is call C<prio> on it.
		278
		279	=cut
		280
		281	BEGIN { *async = \&Coro::async_pool }
233		282
234	=item cf::sync_job { BLOCK }	283	=item cf::sync_job { BLOCK }
235		284
236	The design of crossfire+ requires that the main coro ($Coro::main) is	285	The design of crossfire+ requires that the main coro ($Coro::main) is
237	always able to handle events or runnable, as crossfire+ is only partly	286	always able to handle events or runnable, as crossfire+ is only partly
…		…
256	my $freeze_guard = freeze_mainloop;	305	my $freeze_guard = freeze_mainloop;
257		306
258	my $busy = 1;	307	my $busy = 1;
259	my @res;	308	my @res;
260		309
261	(Coro::async_pool {	310	(async {
262	@res = eval { $job->() };	311	@res = eval { $job->() };
263	warn $@ if $@;	312	warn $@ if $@;
264	undef $busy;	313	undef $busy;
265	})->prio (Coro::PRIO_MAX);	314	})->prio (Coro::PRIO_MAX);
266		315
267	while ($busy) {	316	while ($busy) {
268	unless (Coro::cede) {	317	Coro::cede or Event::one_event;
269	Coro::nready ? Event::one_event 0 : Event::one_event;
270	Coro::cede_notself unless Coro::cede;
271	}
272	}	318	}
273		319
274	wantarray ? @res : $res[0]	320	wantarray ? @res : $res[0]
275	} else {	321	} else {
276	# we are in another coroutine, how wonderful, everything just works	322	# we are in another coroutine, how wonderful, everything just works
277		323
278	$job->()	324	$job->()
279	}	325	}
280	}	326	}
281		327
282	=item $coro = cf::coro { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
283		329
284	Creates (and readies) and returns a new coro. This coro is automcatially	330	Like async, but this coro is automatically being canceled when the
285	being canceled when the extension calling this is being unloaded.	331	extension calling this is being unloaded.
286		332
287	=cut	333	=cut
288		334
289	sub coro(&) {	335	sub async_ext(&) {
290	my $cb = shift;	336	my $cb = shift;
291		337
292	my $coro = &Coro::async_pool ($cb);	338	my $coro = &Coro::async ($cb);
293		339
294	$coro->on_destroy (sub {	340	$coro->on_destroy (sub {
295	delete $EXT_CORO{$coro+0};	341	delete $EXT_CORO{$coro+0};
296	});	342	});
297	$EXT_CORO{$coro+0} = $coro;	343	$EXT_CORO{$coro+0} = $coro;
…		…
303	my $runtime = cf::localdir . "/runtime";	349	my $runtime = cf::localdir . "/runtime";
304		350
305	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
306	or return;	352	or return;
307		353
		354	my $value = $cf::RUNTIME + 90 + 10;
308	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	355	# 10 is the runtime save interval, for a monotonic clock
		356	# 60 allows for the watchdog to kill the server.
		357
309	(aio_write $fh, 0, (length $value), $value, 0) <= 0	358	(aio_write $fh, 0, (length $value), $value, 0) <= 0
310	and return;	359	and return;
311		360
312	aio_fsync $fh	361	aio_fsync $fh
313	and return;	362	and return;
…		…
322	}	371	}
323		372
324	=back	373	=back
325		374
326	=cut	375	=cut
327
328	#############################################################################
329
330	package cf::path;
331
332	sub new {
333	my ($class, $path, $base) = @_;
334
335	$path = $path->as_string if ref $path;
336
337	my $self = bless { }, $class;
338
339	# {... are special paths that are not touched
340	# ?xxx/... are special absolute paths
341	# ?random/... random maps
342	# /! non-realised random map exit
343	# /... normal maps
344	# ~/... per-player maps without a specific player (DO NOT USE)
345	# ~user/... per-player map of a specific user
346
347	if ($path =~ /^{/) {
348	# fine as it is
349	} elsif ($path =~ s{^\?random/}{}) {
350	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
351	$self->{random} = cf::from_json $data;
352	} else {
353	if ($path =~ s{^~([^/]+)?}{}) {
354	$self->{user_rel} = 1;
355
356	if (defined $1) {
357	$self->{user} = $1;
358	} elsif ($base =~ m{^~([^/]+)/}) {
359	$self->{user} = $1;
360	} else {
361	warn "cannot resolve user-relative path without user <$path,$base>\n";
362	}
363	} elsif ($path =~ /^\//) {
364	# already absolute
365	} else {
366	$base =~ s{[^/]+/?$}{};
367	return $class->new ("$base/$path");
368	}
369
370	for ($path) {
371	redo if s{/\.?/}{/};
372	redo if s{/[^/]+/\.\./}{/};
373	}
374	}
375
376	$self->{path} = $path;
377
378	$self
379	}
380
381	# the name / primary key / in-game path
382	sub as_string {
383	my ($self) = @_;
384
385	$self->{user_rel} ? "~$self->{user}$self->{path}"
386	: $self->{random} ? "?random/$self->{path}"
387	: $self->{path}
388	}
389
390	# the displayed name, this is a one way mapping
391	sub visible_name {
392	my ($self) = @_;
393
394	# if (my $rmp = $self->{random}) {
395	# # todo: be more intelligent about this
396	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
397	# } else {
398	$self->as_string
399	# }
400	}
401
402	# escape the /'s in the path
403	sub _escaped_path {
404	# ∕ is U+2215
405	(my $path = $_[0]{path}) =~ s/\//∕/g;
406	$path
407	}
408
409	# the original (read-only) location
410	sub load_path {
411	my ($self) = @_;
412
413	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
414	}
415
416	# the temporary/swap location
417	sub save_path {
418	my ($self) = @_;
419
420	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
421	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
422	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
423	}
424
425	# the unique path, might be eq to save_path
426	sub uniq_path {
427	my ($self) = @_;
428
429	$self->{user_rel} || $self->{random}
430	? undef
431	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
432	}
433
434	# return random map parameters, or undef
435	sub random_map_params {
436	my ($self) = @_;
437
438	$self->{random}
439	}
440
441	# this is somewhat ugly, but style maps do need special treatment
442	sub is_style_map {
443	$_[0]{path} =~ m{^/styles/}
444	}
445
446	package cf;
447		376
448	#############################################################################	377	#############################################################################
449		378
450	=head2 ATTACHABLE OBJECTS	379	=head2 ATTACHABLE OBJECTS
451		380
…		…
577	our @CB_TYPE = (); # registry for type (cf-object class) based events	506	our @CB_TYPE = (); # registry for type (cf-object class) based events
578	our @CB_MAP = ();	507	our @CB_MAP = ();
579		508
580	my %attachment;	509	my %attachment;
581		510
		511	sub cf::attachable::thawer_merge {
		512	# simply override everything except _meta
		513	local $_[0]{_meta};
		514	%{$_[0]} = %{$_[1]};
		515	}
		516
582	sub _attach_cb($$$$) {	517	sub _attach_cb($$$$) {
583	my ($registry, $event, $prio, $cb) = @_;	518	my ($registry, $event, $prio, $cb) = @_;
584		519
585	use sort 'stable';	520	use sort 'stable';
586		521
…		…
757	# object support	692	# object support
758		693
759	sub reattach {	694	sub reattach {
760	# basically do the same as instantiate, without calling instantiate	695	# basically do the same as instantiate, without calling instantiate
761	my ($obj) = @_;	696	my ($obj) = @_;
		697
		698	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
762		699
763	my $registry = $obj->registry;	700	my $registry = $obj->registry;
764		701
765	@$registry = ();	702	@$registry = ();
766		703
…		…
898	=cut	835	=cut
899		836
900	sub register_extcmd {	837	sub register_extcmd {
901	my ($name, $cb) = @_;	838	my ($name, $cb) = @_;
902		839
903	my $caller = caller;
904	#warn "registering extcmd '$name' to '$caller'";
905
906	$EXTCMD{$name} = [$cb, $caller];	840	$EXTCMD{$name} = $cb;
907	}	841	}
908		842
909	cf::player->attach (	843	cf::player->attach (
910	on_command => sub {	844	on_command => sub {
911	my ($pl, $name, $params) = @_;	845	my ($pl, $name, $params) = @_;
…		…
924		858
925	my $msg = eval { from_json $buf };	859	my $msg = eval { from_json $buf };
926		860
927	if (ref $msg) {	861	if (ref $msg) {
928	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
929	if (my %reply = $cb->[0]->($pl, $msg)) {	863	if (my %reply = $cb->($pl, $msg)) {
930	$pl->ext_reply ($msg->{msgid}, %reply);	864	$pl->ext_reply ($msg->{msgid}, %reply);
931	}	865	}
932	}	866	}
933	} else {	867	} else {
934	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
936		870
937	cf::override;	871	cf::override;
938	},	872	},
939	);	873	);
940		874
941	sub register {
942	my ($base, $pkg) = @_;
943
944	#TODO
945	}
946
947	sub load_extension {	875	sub load_extension {
948	my ($path) = @_;	876	my ($path) = @_;
949		877
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
951	my $base = $1;	879	my $base = $1;
952	my $pkg = $1;	880	my $pkg = $1;
953	$pkg =~ s/[^[:word:]]/_/g;	881	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";	882	$pkg = "ext::$pkg";
955		883
956	warn "loading '$path' into '$pkg'\n";	884	warn "... loading '$path' into '$pkg'\n";
957		885
958	open my $fh, "<:utf8", $path	886	open my $fh, "<:utf8", $path
959	or die "$path: $!";	887	or die "$path: $!";
960		888
961	my $source =	889	my $source =
962	"package $pkg; use strict; use utf8;\n"	890	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"	891	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })	892	. (do { local $/; <$fh> })
965	. "\n};\n1";	893	. "\n};\n1";
966		894
967	eval $source	895	unless (eval $source) {
968	or die $@ ? "$path: $@\n"	896	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";	897	: "extension disabled.\n";
970		898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	push @exts, $pkg;	899	warn $@;
972	$ext_pkg{$base} = $pkg;	900	warn "mandatory extension failed to load, exiting.\n";
973		901	exit 1;
974	# no strict 'refs';	902	}
975	# @{"$pkg\::ISA"} = ext::;	903	die $@;
976
977	register $base, $pkg;
978	}
979
980	sub unload_extension {
981	my ($pkg) = @_;
982
983	warn "removing extension $pkg\n";
984
985	# remove hooks
986	#TODO
987	# for my $idx (0 .. $#PLUGIN_EVENT) {
988	# delete $hook[$idx]{$pkg};
989	# }	904	}
990		905
991	# remove commands	906	push @EXTS, $pkg;
992	for my $name (keys %COMMAND) {
993	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
994
995	if (@cb) {
996	$COMMAND{$name} = \@cb;
997	} else {
998	delete $COMMAND{$name};
999	}
1000	}
1001
1002	# remove extcmds
1003	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1004	delete $EXTCMD{$name};
1005	}
1006
1007	if (my $cb = $pkg->can ("unload")) {
1008	eval {
1009	$cb->($pkg);
1010	1
1011	} or warn "$pkg unloaded, but with errors: $@";
1012	}
1013
1014	Symbol::delete_package $pkg;
1015	}	907	}
1016		908
1017	sub load_extensions {	909	sub load_extensions {
1018	for my $ext (<$LIBDIR/*.ext>) {	910	for my $ext (<$LIBDIR/*.ext>) {
1019	next unless -r $ext;	911	next unless -r $ext;
…		…
1023	} or warn "$ext not loaded: $@";	915	} or warn "$ext not loaded: $@";
1024	}	916	}
1025	}	917	}
1026		918
1027	#############################################################################	919	#############################################################################
1028	# load/save/clean perl data associated with a map
1029
1030	*cf::mapsupport::on_clean = sub {
1031	my ($map) = @_;
1032
1033	my $path = $map->tmpname;
1034	defined $path or return;
1035
1036	unlink "$path.pst";
1037	};
1038
1039	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1040
1041	#############################################################################
1042	# load/save perl data associated with player->ob objects
1043
1044	sub all_objects(@) {
1045	@_, map all_objects ($_->inv), @_
1046	}
1047
1048	# TODO: compatibility cruft, remove when no longer needed
1049	cf::player->attach (
1050	on_load => sub {
1051	my ($pl, $path) = @_;
1052
1053	for my $o (all_objects $pl->ob) {
1054	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1055	$o->set_ob_key_value ("_perl_data");
1056
1057	%$o = %{ Storable::thaw pack "H*", $value };
1058	}
1059	}
1060	},
1061	);
1062
1063	#############################################################################
1064		920
1065	=head2 CORE EXTENSIONS	921	=head2 CORE EXTENSIONS
1066		922
1067	Functions and methods that extend core crossfire objects.	923	Functions and methods that extend core crossfire objects.
1068		924
		925	=cut
		926
		927	package cf::player;
		928
		929	use Coro::AIO;
		930
1069	=head3 cf::player	931	=head3 cf::player
1070		932
1071	=over 4	933	=over 4
1072		934
1073	=item cf::player::exists $login	935	=item cf::player::find $login
1074		936
1075	Returns true when the given account exists.	937	Returns the given player object, loading it if necessary (might block).
1076		938
1077	=cut	939	=cut
1078		940
1079	sub cf::player::exists($) {	941	sub playerdir($) {
1080	cf::player::find $_[0]	942	cf::localdir
1081	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	943	. "/"
		944	. cf::playerdir
		945	. "/"
		946	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		947	}
		948
		949	sub path($) {
		950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		951
		952	(playerdir $login) . "/$login.pl"
		953	}
		954
		955	sub find_active($) {
		956	$cf::PLAYER{$_[0]}
		957	and $cf::PLAYER{$_[0]}->active
		958	and $cf::PLAYER{$_[0]}
		959	}
		960
		961	sub exists($) {
		962	my ($login) = @_;
		963
		964	$cf::PLAYER{$login}
		965	or cf::sync_job { !aio_stat path $login }
		966	}
		967
		968	sub find($) {
		969	return $cf::PLAYER{$_[0]} || do {
		970	my $login = $_[0];
		971
		972	my $guard = cf::lock_acquire "user_find:$login";
		973
		974	$cf::PLAYER{$_[0]} || do {
		975	my $pl = load_pl path $login
		976	or return;
		977	$cf::PLAYER{$login} = $pl
		978	}
		979	}
		980	}
		981
		982	sub save($) {
		983	my ($pl) = @_;
		984
		985	return if $pl->{deny_save};
		986
		987	my $path = path $pl;
		988	my $guard = cf::lock_acquire "user_save:$path";
		989
		990	return if $pl->{deny_save};
		991
		992	aio_mkdir playerdir $pl, 0770;
		993	$pl->{last_save} = $cf::RUNTIME;
		994
		995	$pl->save_pl ($path);
		996	Coro::cede;
		997	}
		998
		999	sub new($) {
		1000	my ($login) = @_;
		1001
		1002	my $self = create;
		1003
		1004	$self->ob->name ($login);
		1005	$self->{deny_save} = 1;
		1006
		1007	$cf::PLAYER{$login} = $self;
		1008
		1009	$self
		1010	}
		1011
		1012	=item $pl->quit_character
		1013
		1014	Nukes the player without looking back. If logged in, the connection will
		1015	be destroyed. May block for a long time.
		1016
		1017	=cut
		1018
		1019	sub quit_character {
		1020	my ($pl) = @_;
		1021
		1022	$pl->{deny_save} = 1;
		1023	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1024
		1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1026	$pl->deactivate;
		1027	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1028	$pl->ns->destroy if $pl->ns;
		1029
		1030	my $path = playerdir $pl;
		1031	my $temp = "$path~$cf::RUNTIME~deleting~";
		1032	aio_rename $path, $temp;
		1033	delete $cf::PLAYER{$pl->ob->name};
		1034	$pl->destroy;
		1035	IO::AIO::aio_rmtree $temp;
		1036	}
		1037
		1038	=item cf::player::list_logins
		1039
		1040	Returns am arrayref of all valid playernames in the system, can take a
		1041	while and may block, so not sync_job-capable, ever.
		1042
		1043	=cut
		1044
		1045	sub list_logins {
		1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1047	or return [];
		1048
		1049	my @logins;
		1050
		1051	for my $login (@$dirs) {
		1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1053	aio_read $fh, 0, 512, my $buf, 0 or next;
		1054	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1055
		1056	utf8::decode $login;
		1057	push @logins, $login;
		1058	}
		1059
		1060	\@logins
		1061	}
		1062
		1063	=item $player->maps
		1064
		1065	Returns an arrayref of map paths that are private for this
		1066	player. May block.
		1067
		1068	=cut
		1069
		1070	sub maps($) {
		1071	my ($pl) = @_;
		1072
		1073	my $files = aio_readdir playerdir $pl
		1074	or return;
		1075
		1076	my @paths;
		1077
		1078	for (@$files) {
		1079	utf8::decode $_;
		1080	next if /\.(?:pl|pst)$/;
		1081	next unless /^$PATH_SEP/o;
		1082
		1083	s/\.map$//;
		1084	push @paths, "~" . $pl->ob->name . "/" . $_;
		1085	}
		1086
		1087	\@paths
1082	}	1088	}
1083		1089
1084	=item $player->ext_reply ($msgid, $msgtype, %msg)	1090	=item $player->ext_reply ($msgid, $msgtype, %msg)
1085		1091
1086	Sends an ext reply to the player.	1092	Sends an ext reply to the player.
1087		1093
1088	=cut	1094	=cut
1089		1095
1090	sub cf::player::ext_reply($$$%) {	1096	sub ext_reply($$$%) {
1091	my ($self, $id, %msg) = @_;	1097	my ($self, $id, %msg) = @_;
1092		1098
1093	$msg{msgid} = $id;	1099	$msg{msgid} = $id;
1094		1100
1095	$self->send ("ext " . to_json \%msg);	1101	$self->send ("ext " . cf::to_json \%msg);
1096	}	1102	}
		1103
		1104	package cf;
1097		1105
1098	=back	1106	=back
1099		1107
1100		1108
1101	=head3 cf::map	1109	=head3 cf::map
…		…
1107	package cf::map;	1115	package cf::map;
1108		1116
1109	use Fcntl;	1117	use Fcntl;
1110	use Coro::AIO;	1118	use Coro::AIO;
1111		1119
		1120	use overload
		1121	'""' => \&as_string,
		1122	fallback => 1;
		1123
1112	our $MAX_RESET = 3600;	1124	our $MAX_RESET = 3600;
1113	our $DEFAULT_RESET = 3000;	1125	our $DEFAULT_RESET = 3000;
1114		1126
1115	sub generate_random_map {	1127	sub generate_random_map {
1116	my ($path, $rmp) = @_;	1128	my ($self, $rmp) = @_;
1117
1118	# mit "rum" bekleckern, nicht	1129	# mit "rum" bekleckern, nicht
1119	cf::map::_create_random_map	1130	$self->_create_random_map (
1120	$path,
1121	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1122	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1123	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1124	$rmp->{exit_on_final_map},	1134	$rmp->{exit_on_final_map},
1125	$rmp->{xsize}, $rmp->{ysize},	1135	$rmp->{xsize}, $rmp->{ysize},
1126	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1127	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1128	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1129	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1139	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1130	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1131	(cf::region::find $rmp->{region})	1141	(cf::region::find $rmp->{region}), $rmp->{custom}
		1142	)
		1143	}
		1144
		1145	=item cf::map->register ($regex, $prio)
		1146
		1147	Register a handler for the map path matching the given regex at the
		1148	givne priority (higher is better, built-in handlers have priority 0, the
		1149	default).
		1150
		1151	=cut
		1152
		1153	sub register {
		1154	my (undef, $regex, $prio) = @_;
		1155	my $pkg = caller;
		1156
		1157	no strict;
		1158	push @{"$pkg\::ISA"}, __PACKAGE__;
		1159
		1160	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1161	}
		1162
		1163	# also paths starting with '/'
		1164	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1165
		1166	sub thawer_merge {
		1167	my ($self, $merge) = @_;
		1168
		1169	# we have to keep some variables in memory intact
		1170	local $self->{path};
		1171	local $self->{load_path};
		1172	local $self->{deny_save};
		1173	local $self->{deny_reset};
		1174
		1175	$self->SUPER::thawer_merge ($merge);
		1176	}
		1177
		1178	sub normalise {
		1179	my ($path, $base) = @_;
		1180
		1181	$path = "$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
1132	}	1270	}
1133		1271
1134	# and all this just because we cannot iterate over	1272	# and all this just because we cannot iterate over
1135	# all maps in C++...	1273	# all maps in C++...
1136	sub change_all_map_light {	1274	sub change_all_map_light {
…		…
1138		1276
1139	$_->change_map_light ($change)	1277	$_->change_map_light ($change)
1140	for grep $_->outdoor, values %cf::MAP;	1278	for grep $_->outdoor, values %cf::MAP;
1141	}	1279	}
1142		1280
		1281	sub unlink_save {
		1282	my ($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
1143	sub try_load_header($) {	1289	sub load_header_from($) {
1144	my ($path) = @_;	1290	my ($self, $path) = @_;
1145		1291
1146	utf8::encode $path;	1292	utf8::encode $path;
1147	aio_open $path, O_RDONLY, 0	1293	aio_open $path, O_RDONLY, 0
1148	or return;	1294	or return;
1149		1295
1150	my $map = cf::map::new	1296	$self->_load_header ($path)
1151	or return;	1297	or return;
1152		1298
1153	# for better error messages only, will be overwritten	1299	$self->{load_path} = $path;
1154	$map->path ($path);
1155		1300
1156	$map->load_header ($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
1157	or return;	1342	or return;
		1343	$self->prepare_orig;
		1344	}
1158		1345
1159	$map->{load_path} = $path;	1346	1
1160
1161	$map
1162	}	1347	}
1163		1348
1164	sub find;	1349	sub find;
1165	sub find {	1350	sub find {
1166	my ($path, $origin) = @_;	1351	my ($path, $origin) = @_;
1167		1352
1168	#warn "find<$path,$origin>\n";#d#
1169
1170	$path = new cf::path $path, $origin && $origin->path;	1353	$path = normalise $path, $origin && $origin->path;
1171	my $key = $path->as_string;
1172		1354
1173	cf::lock_wait "map_find:$key";	1355	cf::lock_wait "map_find:$path";
1174		1356
1175	$cf::MAP{$key} || do {	1357	$cf::MAP{$path} || do {
1176	my $guard = cf::lock_acquire "map_find:$key";	1358	my $guard = cf::lock_acquire "map_find:$path";
1177		1359	my $map = new_from_path cf::map $path
1178	# do it the slow way
1179	my $map = try_load_header $path->save_path;
1180
1181	Coro::cede;
1182
1183	if ($map) {
1184	$map->last_access ((delete $map->{last_access})
1185	|| $cf::RUNTIME); #d#
1186	# safety
1187	$map->{instantiate_time} = $cf::RUNTIME
1188	if $map->{instantiate_time} > $cf::RUNTIME;
1189	} else {
1190	if (my $rmp = $path->random_map_params) {
1191	$map = generate_random_map $key, $rmp;
1192	} else {
1193	$map = try_load_header $path->load_path;
1194	}
1195
1196	$map or return;	1360	or return;
1197		1361
1198	$map->{load_original} = 1;
1199	$map->{instantiate_time} = $cf::RUNTIME;
1200	$map->last_access ($cf::RUNTIME);
1201	$map->instantiate;
1202
1203	# per-player maps become, after loading, normal maps
1204	$map->per_player (0) if $path->{user_rel};
1205	}
1206
1207	$map->path ($key);
1208	$map->{path} = $path;
1209	$map->{last_save} = $cf::RUNTIME;	1362	$map->{last_save} = $cf::RUNTIME;
1210		1363
1211	Coro::cede;	1364	$map->load_header
		1365	or return;
1212		1366
1213	if ($map->should_reset) {	1367	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1368	# doing this can freeze the server in a sync job, obviously
		1369	#$cf::WAIT_FOR_TICK->wait;
1214	$map->reset;	1370	$map->reset;
1215	undef $guard;	1371	undef $guard;
1216	$map = find $path	1372	return find $path;
1217	or return;
1218	}	1373	}
1219		1374
1220	$cf::MAP{$key} = $map	1375	$cf::MAP{$path} = $map
1221	}	1376	}
1222	}	1377	}
		1378
		1379	sub pre_load { }
		1380	sub post_load { }
1223		1381
1224	sub load {	1382	sub load {
1225	my ($self) = @_;	1383	my ($self) = @_;
1226		1384
1227	my $path = $self->{path};	1385	my $path = $self->{path};
1228	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1386	my $guard = cf::lock_acquire "map_load:$path";
1229		1387
1230	return if $self->in_memory != cf::MAP_SWAPPED;	1388	return if $self->in_memory != cf::MAP_SWAPPED;
1231		1389
1232	$self->in_memory (cf::MAP_LOADING);	1390	$self->in_memory (cf::MAP_LOADING);
1233		1391
1234	$self->alloc;	1392	$self->alloc;
		1393
		1394	$self->pre_load;
		1395
1235	$self->load_objects ($self->{load_path}, 1)	1396	$self->_load_objects ($self->{load_path}, 1)
1236	or return;	1397	or return;
1237		1398
1238	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1399	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1239	if delete $self->{load_original};	1400	if delete $self->{load_original};
1240		1401
1241	if (my $uniq = $path->uniq_path) {	1402	if (my $uniq = $self->uniq_path) {
1242	utf8::encode $uniq;	1403	utf8::encode $uniq;
1243	if (aio_open $uniq, O_RDONLY, 0) {	1404	if (aio_open $uniq, O_RDONLY, 0) {
1244	$self->clear_unique_items;	1405	$self->clear_unique_items;
1245	$self->load_objects ($uniq, 0);	1406	$self->_load_objects ($uniq, 0);
1246	}	1407	}
1247	}	1408	}
1248		1409
1249	Coro::cede;	1410	Coro::cede;
1250		1411
1251	# now do the right thing for maps	1412	# now do the right thing for maps
1252	$self->link_multipart_objects;	1413	$self->link_multipart_objects;
1253		1414
1254	if ($self->{path}->is_style_map) {	1415	unless ($self->{deny_activate}) {
1255	$self->{deny_save} = 1;	1416	$self->decay_objects;
1256	$self->{deny_reset} = 1;
1257	} else {
1258	$self->fix_auto_apply;	1417	$self->fix_auto_apply;
1259	$self->decay_objects;
1260	$self->update_buttons;	1418	$self->update_buttons;
		1419	Coro::cede;
1261	$self->set_darkness_map;	1420	$self->set_darkness_map;
1262	$self->difficulty ($self->estimate_difficulty)	1421	$self->difficulty ($self->estimate_difficulty)
1263	unless $self->difficulty;	1422	unless $self->difficulty;
		1423	Coro::cede;
1264	$self->activate;	1424	$self->activate;
1265	}	1425	}
1266		1426
1267	Coro::cede;	1427	$self->post_load;
1268		1428
1269	$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	$neigh->load;
		1462	}
1270	}	1463	}
1271		1464
1272	sub find_sync {	1465	sub find_sync {
1273	my ($path, $origin) = @_;	1466	my ($path, $origin) = @_;
1274		1467
1275	cf::sync_job {	1468	cf::sync_job { find $path, $origin }
1276	my $map = cf::map::find $path, $origin;
1277	$map
1278	}
1279	}	1469	}
1280		1470
1281	sub do_load_sync {	1471	sub do_load_sync {
1282	my ($map) = @_;	1472	my ($map) = @_;
1283		1473
1284	cf::sync_job { $map->load };	1474	cf::sync_job { $map->load };
1285	}	1475	}
1286		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	$MAP_PREFETCHER->prio (6);
		1503
		1504	()
		1505	}
		1506
1287	sub save {	1507	sub save {
1288	my ($self) = @_;	1508	my ($self) = @_;
1289		1509
1290	my $lock = cf::lock_acquire "map_data:" . $self->path;	1510	my $lock = cf::lock_acquire "map_data:" . $self->path;
1291		1511
1292	$self->{last_save} = $cf::RUNTIME;	1512	$self->{last_save} = $cf::RUNTIME;
1293		1513
1294	return unless $self->dirty;	1514	return unless $self->dirty;
1295		1515
1296	my $save = $self->{path}->save_path; utf8::encode $save;	1516	my $save = $self->save_path; utf8::encode $save;
1297	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1517	my $uniq = $self->uniq_path; utf8::encode $uniq;
1298		1518
1299	$self->{load_path} = $save;	1519	$self->{load_path} = $save;
1300		1520
1301	return if $self->{deny_save};	1521	return if $self->{deny_save};
1302		1522
1303	local $self->{last_access} = $self->last_access;#d#	1523	local $self->{last_access} = $self->last_access;#d#
1304		1524
		1525	cf::async {
		1526	$_->contr->save for $self->players;
		1527	};
		1528
1305	if ($uniq) {	1529	if ($uniq) {
1306	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1530	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1307	$self->save_objects ($uniq, cf::IO_UNIQUES);	1531	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1308	} else {	1532	} else {
1309	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1533	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1310	}	1534	}
1311	}	1535	}
1312		1536
1313	sub swap_out {	1537	sub swap_out {
1314	my ($self) = @_;	1538	my ($self) = @_;
…		…
1328		1552
1329	sub reset_at {	1553	sub reset_at {
1330	my ($self) = @_;	1554	my ($self) = @_;
1331		1555
1332	# TODO: safety, remove and allow resettable per-player maps	1556	# TODO: safety, remove and allow resettable per-player maps
1333	return 1e99 if $self->{path}{user_rel};	1557	return 1e99 if $self->isa ("ext::map_per_player");#d#
1334	return 1e99 if $self->{deny_reset};	1558	return 1e99 if $self->{deny_reset};
1335		1559
1336	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1560	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1337	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1561	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1338		1562
…		…
1343	my ($self) = @_;	1567	my ($self) = @_;
1344		1568
1345	$self->reset_at <= $cf::RUNTIME	1569	$self->reset_at <= $cf::RUNTIME
1346	}	1570	}
1347		1571
1348	sub unlink_save {
1349	my ($self) = @_;
1350
1351	utf8::encode (my $save = $self->{path}->save_path);
1352	aioreq_pri 3; IO::AIO::aio_unlink $save;
1353	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1354	}
1355
1356	sub rename {
1357	my ($self, $new_path) = @_;
1358
1359	$self->unlink_save;
1360
1361	delete $cf::MAP{$self->path};
1362	$self->{path} = new cf::path $new_path;
1363	$self->path ($self->{path}->as_string);
1364	$cf::MAP{$self->path} = $self;
1365
1366	$self->save;
1367	}
1368
1369	sub reset {	1572	sub reset {
1370	my ($self) = @_;	1573	my ($self) = @_;
1371		1574
1372	my $lock = cf::lock_acquire "map_data:" . $self->path;	1575	my $lock = cf::lock_acquire "map_data:$self->{path}";
1373		1576
1374	return if $self->players;	1577	return if $self->players;
1375	return if $self->{path}{user_rel};#d#	1578	return if $self->isa ("ext::map_per_player");#d#
1376		1579
1377	warn "resetting map ", $self->path;#d#	1580	warn "resetting map ", $self->path;#d#
1378		1581
1379	delete $cf::MAP{$self->path};	1582	delete $cf::MAP{$self->path};
		1583
		1584	$self->in_memory (cf::MAP_SWAPPED);
		1585	$self->clear;
1380		1586
1381	$_->clear_links_to ($self) for values %cf::MAP;	1587	$_->clear_links_to ($self) for values %cf::MAP;
1382		1588
1383	$self->unlink_save;	1589	$self->unlink_save;
1384	$self->destroy;	1590	$self->destroy;
…		…
1387	my $nuke_counter = "aaaa";	1593	my $nuke_counter = "aaaa";
1388		1594
1389	sub nuke {	1595	sub nuke {
1390	my ($self) = @_;	1596	my ($self) = @_;
1391		1597
		1598	delete $cf::MAP{$self->path};
		1599
		1600	$self->unlink_save;
		1601
		1602	bless $self, "cf::map";
		1603	delete $self->{deny_reset};
1392	$self->{deny_save} = 1;	1604	$self->{deny_save} = 1;
1393	$self->reset_timeout (1);	1605	$self->reset_timeout (1);
1394	$self->rename ("{nuke}/" . ($nuke_counter++));	1606	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1607
		1608	$cf::MAP{$self->path} = $self;
		1609
1395	$self->reset; # polite request, might not happen	1610	$self->reset; # polite request, might not happen
1396	}	1611	}
1397		1612
1398	sub customise_for {	1613	=item cf::map::unique_maps
1399	my ($map, $ob) = @_;
1400		1614
1401	if ($map->per_player) {	1615	Returns an arrayref of paths of all shared maps that have
1402	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1616	instantiated unique items. May block.
1403	}
1404		1617
1405	$map	1618	=cut
1406	}
1407		1619
1408	sub emergency_save {	1620	sub unique_maps() {
1409	my $freeze_guard = cf::freeze_mainloop;	1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1622	or return;
1410		1623
1411	warn "enter emergency map save\n";	1624	my @paths;
1412		1625
1413	cf::sync_job {	1626	for (@$files) {
1414	warn "begin emergency map save\n";	1627	utf8::decode $_;
1415	$_->save for values %cf::MAP;	1628	next if /\.pst$/;
		1629	next unless /^$PATH_SEP/o;
		1630
		1631	s/\.map$//;
		1632	push @paths, $_;
1416	};	1633	}
1417		1634
1418	warn "end emergency map save\n";	1635	\@paths
1419	}	1636	}
1420		1637
1421	package cf;	1638	package cf;
1422		1639
1423	=back	1640	=back
1424		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
1425		1668
1426	=head3 cf::object::player	1669	=head3 cf::object::player
1427		1670
1428	=over 4	1671	=over 4
1429		1672
…		…
1469		1712
1470	=item $player_object->enter_link	1713	=item $player_object->enter_link
1471		1714
1472	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}>).
1473		1716
1474	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
1475	I<MUST> call C<leave_link> as soon as possible, though.	1718	I<MUST> call C<leave_link> as soon as possible, though.
1476		1719
		1720	Will never block.
		1721
1477	=item $player_object->leave_link ($map, $x, $y)	1722	=item $player_object->leave_link ($map, $x, $y)
1478		1723
1479	Moves the player out of the specila link map onto the given map. If the	1724	Moves the player out of the special C<{link}> map onto the specified
1480	map is not valid (or omitted), the player will be moved back to the	1725	map. If the map is not valid (or omitted), the player will be moved back
1481	location he/she was before the call to C<enter_link>, or, if that fails,	1726	to the location he/she was before the call to C<enter_link>, or, if that
1482	to the emergency map position.	1727	fails, to the emergency map position.
1483		1728
1484	Might block.	1729	Might block.
1485		1730
1486	=cut	1731	=cut
		1732
		1733	sub link_map {
		1734	unless ($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	$LINK_MAP
		1741	}
1487		1742
1488	sub cf::object::player::enter_link {	1743	sub cf::object::player::enter_link {
1489	my ($self) = @_;	1744	my ($self) = @_;
1490		1745
1491	$self->deactivate_recursive;	1746	$self->deactivate_recursive;
1492		1747
1493	return if $self->map == $LINK_MAP;	1748	return if UNIVERSAL::isa $self->map, "ext::map_link";
1494		1749
1495	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1750	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1496	if $self->map;	1751	if $self->map;
1497		1752
1498	$self->enter_map ($LINK_MAP, 20, 20);	1753	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1499	}	1754	}
1500		1755
1501	sub cf::object::player::leave_link {	1756	sub cf::object::player::leave_link {
1502	my ($self, $map, $x, $y) = @_;	1757	my ($self, $map, $x, $y) = @_;
1503		1758
…		…
1521	# use -1 or undef as default coordinates, not 0, 0	1776	# use -1 or undef as default coordinates, not 0, 0
1522	($x, $y) = ($map->enter_x, $map->enter_y)	1777	($x, $y) = ($map->enter_x, $map->enter_y)
1523	if $x <=0 && $y <= 0;	1778	if $x <=0 && $y <= 0;
1524		1779
1525	$map->load;	1780	$map->load;
		1781	$map->load_diag;
1526		1782
		1783	return unless $self->contr->active;
1527	$self->activate_recursive;	1784	$self->activate_recursive;
1528	$self->enter_map ($map, $x, $y);	1785	$self->enter_map ($map, $x, $y);
1529	}	1786	}
1530		1787
1531	cf::player->attach (	1788	cf::player->attach (
…		…
1543	my ($pl) = @_;	1800	my ($pl) = @_;
1544		1801
1545	# try to abort aborted map switching on player login :)	1802	# try to abort aborted map switching on player login :)
1546	# should happen only on crashes	1803	# should happen only on crashes
1547	if ($pl->ob->{_link_pos}) {	1804	if ($pl->ob->{_link_pos}) {
1548
1549	$pl->ob->enter_link;	1805	$pl->ob->enter_link;
1550	(Coro::async_pool {	1806	(async {
1551	# 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
1552	# 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);
1553	Coro::Timer::sleep 1;	1813	Coro::Timer::sleep 1;
1554	$pl->ob->leave_link;	1814	$pl->ob->leave_link;
1555	})->prio (2);	1815	})->prio (2);
1556	}	1816	}
1557	},	1817	},
…		…
1564	sub cf::object::player::goto {	1824	sub cf::object::player::goto {
1565	my ($self, $path, $x, $y) = @_;	1825	my ($self, $path, $x, $y) = @_;
1566		1826
1567	$self->enter_link;	1827	$self->enter_link;
1568		1828
1569	(Coro::async_pool {	1829	(async {
1570	$path = new cf::path $path;
1571
1572	my $map = cf::map::find $path->as_string;	1830	my $map = cf::map::find $path;
1573	$map = $map->customise_for ($self) if $map;	1831	$map = $map->customise_for ($self) if $map;
1574		1832
1575	# warn "entering ", $map->path, " at ($x, $y)\n"	1833	# warn "entering ", $map->path, " at ($x, $y)\n"
1576	# if $map;	1834	# if $map;
1577		1835
1578	$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);
1579		1837
1580	$self->leave_link ($map, $x, $y);	1838	$self->leave_link ($map, $x, $y);
1581	})->prio (1);	1839	})->prio (1);
1582	}	1840	}
1583		1841
…		…
1587		1845
1588	sub parse_random_map_params {	1846	sub parse_random_map_params {
1589	my ($spec) = @_;	1847	my ($spec) = @_;
1590		1848
1591	my $rmp = { # defaults	1849	my $rmp = { # defaults
1592	xsize => 10,	1850	xsize => (cf::rndm 15, 40),
1593	ysize => 10,	1851	ysize => (cf::rndm 15, 40),
		1852	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1853	#layout => string,
1594	};	1854	};
1595		1855
1596	for (split /\n/, $spec) {	1856	for (split /\n/, $spec) {
1597	my ($k, $v) = split /\s+/, $_, 2;	1857	my ($k, $v) = split /\s+/, $_, 2;
1598		1858
…		…
1602	$rmp	1862	$rmp
1603	}	1863	}
1604		1864
1605	sub prepare_random_map {	1865	sub prepare_random_map {
1606	my ($exit) = @_;	1866	my ($exit) = @_;
		1867
		1868	my $guard = cf::lock_acquire "exit_prepare:$exit";
1607		1869
1608	# all this does is basically replace the /! path by	1870	# all this does is basically replace the /! path by
1609	# a new random map path (?random/...) with a seed	1871	# a new random map path (?random/...) with a seed
1610	# that depends on the exit object	1872	# that depends on the exit object
1611		1873
…		…
1620		1882
1621	$rmp->{random_seed} ||= $exit->random_seed;	1883	$rmp->{random_seed} ||= $exit->random_seed;
1622		1884
1623	my $data = cf::to_json $rmp;	1885	my $data = cf::to_json $rmp;
1624	my $md5 = Digest::MD5::md5_hex $data;	1886	my $md5 = Digest::MD5::md5_hex $data;
		1887	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1625		1888
1626	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) {
1627	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;
1628		1893
1629	$exit->slaying ("?random/$md5");	1894	$exit->slaying ("?random/$md5");
1630	$exit->msg (undef);	1895	$exit->msg (undef);
1631	}	1896	}
1632	}	1897	}
…		…
1634	sub cf::object::player::enter_exit {	1899	sub cf::object::player::enter_exit {
1635	my ($self, $exit) = @_;	1900	my ($self, $exit) = @_;
1636		1901
1637	return unless $self->type == cf::PLAYER;	1902	return unless $self->type == cf::PLAYER;
1638		1903
		1904	if ($exit->slaying eq "/!") {
		1905	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1906	cf::sync_job { prepare_random_map $exit };
		1907	}
		1908
		1909	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1910	my $hp = $exit->stats->hp;
		1911	my $sp = $exit->stats->sp;
		1912
1639	$self->enter_link;	1913	$self->enter_link;
1640		1914
1641	(Coro::async_pool {	1915	(async {
1642	$self->deactivate_recursive; # just to be sure	1916	$self->deactivate_recursive; # just to be sure
1643	unless (eval {	1917	unless (eval {
1644	prepare_random_map $exit	1918	$self->goto ($slaying, $hp, $sp);
1645	if $exit->slaying eq "/!";
1646
1647	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1648	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1649		1919
1650	1;	1920	1;
1651	}) {	1921	}) {
1652	$self->message ("Something went wrong deep within the crossfire server. "	1922	$self->message ("Something went wrong deep within the crossfire server. "
1653	. "I'll try to bring you back to the map you were before. "	1923	. "I'll try to bring you back to the map you were before. "
1654	. "Please report this to the dungeon master",	1924	. "Please report this to the dungeon master!",
1655	cf::NDI_UNIQUE | cf::NDI_RED);	1925	cf::NDI_UNIQUE | cf::NDI_RED);
1656		1926
1657	warn "ERROR in enter_exit: $@";	1927	warn "ERROR in enter_exit: $@";
1658	$self->leave_link;	1928	$self->leave_link;
1659	}	1929	}
…		…
1727	}	1997	}
1728	}	1998	}
1729	},	1999	},
1730	);	2000	);
1731		2001
1732	=item $client->coro (\&cb)	2002	=item $client->async (\&cb)
1733		2003
1734	Create a new coroutine, running the specified callback. The coroutine will	2004	Create a new coroutine, running the specified callback. The coroutine will
1735	be automatically cancelled when the client gets destroyed (e.g. on logout,	2005	be automatically cancelled when the client gets destroyed (e.g. on logout,
1736	or loss of connection).	2006	or loss of connection).
1737		2007
1738	=cut	2008	=cut
1739		2009
1740	sub cf::client::coro {	2010	sub cf::client::async {
1741	my ($self, $cb) = @_;	2011	my ($self, $cb) = @_;
1742		2012
1743	my $coro = &Coro::async_pool ($cb);	2013	my $coro = &Coro::async ($cb);
1744		2014
1745	$coro->on_destroy (sub {	2015	$coro->on_destroy (sub {
1746	delete $self->{_coro}{$coro+0};	2016	delete $self->{_coro}{$coro+0};
1747	});	2017	});
1748		2018
…		…
1942	sub db_sync() {	2212	sub db_sync() {
1943	db_save if $dirty;	2213	db_save if $dirty;
1944	undef $dirty;	2214	undef $dirty;
1945	}	2215	}
1946		2216
1947	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2217	my $idle = Event->idle (
1948	db_sync;	2218	reentrant => 0,
		2219	min => 10,
		2220	max => 20,
		2221	repeat => 0,
		2222	data => WF_AUTOCANCEL,
		2223	cb => \&db_sync,
1949	});	2224	);
1950		2225
1951	sub db_dirty() {	2226	sub db_dirty() {
1952	$dirty = 1;	2227	$dirty = 1;
1953	$idle->start;	2228	$idle->start;
1954	}	2229	}
…		…
1991	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2266	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
1992	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	2267	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
1993		2268
1994	if (exists $CFG{mlockall}) {	2269	if (exists $CFG{mlockall}) {
1995	eval {	2270	eval {
1996	$CFG{mlockall} ? &mlockall : &munlockall	2271	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1997	and die "WARNING: m(un)lockall failed: $!\n";	2272	and die "WARNING: m(un)lockall failed: $!\n";
1998	};	2273	};
1999	warn $@ if $@;	2274	warn $@ if $@;
2000	}	2275	}
2001	}	2276	}
2002		2277
2003	sub main {	2278	sub main {
2004	# we must not ever block the main coroutine	2279	# we must not ever block the main coroutine
2005	local $Coro::idle = sub {	2280	local $Coro::idle = sub {
2006	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2281	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2007	Coro::async_pool { Event::one_event };	2282	(async {
		2283	Event::one_event;
		2284	})->prio (Coro::PRIO_MAX);
2008	};	2285	};
2009		2286
2010	cfg_load;	2287	cfg_load;
2011	db_load;	2288	db_load;
2012	load_extensions;	2289	load_extensions;
		2290
		2291	$TICK_WATCHER->start;
2013	Event::loop;	2292	Event::loop;
2014	}	2293	}
2015		2294
2016	#############################################################################	2295	#############################################################################
2017	# initialisation	2296	# initialisation and cleanup
		2297
		2298	# install some emergency cleanup handlers
		2299	BEGIN {
		2300	for my $signal (qw(INT HUP TERM)) {
		2301	Event->signal (
		2302	reentrant => 0,
		2303	data => WF_AUTOCANCEL,
		2304	signal => $signal,
		2305	prio => 0,
		2306	cb => sub {
		2307	cf::cleanup "SIG$signal";
		2308	},
		2309	);
		2310	}
		2311	}
		2312
		2313	sub emergency_save() {
		2314	my $freeze_guard = cf::freeze_mainloop;
		2315
		2316	warn "enter emergency perl save\n";
		2317
		2318	cf::sync_job {
		2319	# use a peculiar iteration method to avoid tripping on perl
		2320	# refcount bugs in for. also avoids problems with players
		2321	# and maps saved/destroyed asynchronously.
		2322	warn "begin emergency player save\n";
		2323	for my $login (keys %cf::PLAYER) {
		2324	my $pl = $cf::PLAYER{$login} or next;
		2325	$pl->valid or next;
		2326	$pl->save;
		2327	}
		2328	warn "end emergency player save\n";
		2329
		2330	warn "begin emergency map save\n";
		2331	for my $path (keys %cf::MAP) {
		2332	my $map = $cf::MAP{$path} or next;
		2333	$map->valid or next;
		2334	$map->save;
		2335	}
		2336	warn "end emergency map save\n";
		2337	};
		2338
		2339	warn "leave emergency perl save\n";
		2340	}
2018		2341
2019	sub reload() {	2342	sub reload() {
2020	# can/must only be called in main	2343	# can/must only be called in main
2021	if ($Coro::current != $Coro::main) {	2344	if ($Coro::current != $Coro::main) {
2022	warn "can only reload from main coroutine\n";	2345	warn "can only reload from main coroutine";
2023	return;	2346	return;
2024	}	2347	}
2025		2348
2026	warn "reloading...";	2349	warn "reloading...";
2027		2350
2028	my $guard = freeze_mainloop;	2351	warn "cancelling server ticker";
		2352	$TICK_WATCHER->cancel;
		2353
2029	cf::emergency_save;	2354	cf::emergency_save;
2030		2355
2031	eval {	2356	eval {
2032	# if anything goes wrong in here, we should simply crash as we already saved	2357	# if anything goes wrong in here, we should simply crash as we already saved
2033		2358
2034	# cancel all watchers	2359	warn "syncing database to disk";
		2360	cf::db_sync;
		2361
		2362	warn "cancelling all WF_AUTOCANCEL watchers";
2035	for (Event::all_watchers) {	2363	for (Event::all_watchers) {
2036	$_->cancel if $_->data & WF_AUTOCANCEL;	2364	$_->cancel if $_->data & WF_AUTOCANCEL;
2037	}	2365	}
2038		2366
		2367	warn "flushing outstanding aio requests";
		2368	for (;;) {
		2369	IO::AIO::flush;
		2370	Coro::cede;
		2371	last unless IO::AIO::nreqs;
		2372	warn "iterate...";
		2373	}
		2374
2039	# cancel all extension coros	2375	warn "cancelling all extension coros";
2040	$_->cancel for values %EXT_CORO;	2376	$_->cancel for values %EXT_CORO;
2041	%EXT_CORO = ();	2377	%EXT_CORO = ();
2042		2378
2043	# unload all extensions	2379	warn "removing commands";
2044	for (@exts) {	2380	%COMMAND = ();
		2381
		2382	warn "removing ext commands";
		2383	%EXTCMD = ();
		2384
		2385	warn "unloading/nuking all extensions";
		2386	for my $pkg (@EXTS) {
2045	warn "unloading <$_>";	2387	warn "... unloading $pkg";
2046	unload_extension $_;	2388
		2389	if (my $cb = $pkg->can ("unload")) {
		2390	eval {
		2391	$cb->($pkg);
		2392	1
		2393	} or warn "$pkg unloaded, but with errors: $@";
2047	}	2394	}
2048		2395
		2396	warn "... nuking $pkg";
		2397	Symbol::delete_package $pkg;
		2398	}
		2399
2049	# unload all modules loaded from $LIBDIR	2400	warn "unloading all perl modules loaded from $LIBDIR";
2050	while (my ($k, $v) = each %INC) {	2401	while (my ($k, $v) = each %INC) {
2051	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2402	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2052		2403
2053	warn "removing <$k>";	2404	warn "... unloading $k";
2054	delete $INC{$k};	2405	delete $INC{$k};
2055		2406
2056	$k =~ s/\.pm$//;	2407	$k =~ s/\.pm$//;
2057	$k =~ s/\//::/g;	2408	$k =~ s/\//::/g;
2058		2409
…		…
2061	}	2412	}
2062		2413
2063	Symbol::delete_package $k;	2414	Symbol::delete_package $k;
2064	}	2415	}
2065		2416
2066	# sync database to disk
2067	cf::db_sync;
2068	IO::AIO::flush;
2069
2070	# get rid of safe::, as good as possible	2417	warn "getting rid of safe::, as good as possible";
2071	Symbol::delete_package "safe::$_"	2418	Symbol::delete_package "safe::$_"
2072	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2419	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2073		2420
2074	# remove register_script_function callbacks
2075	# TODO
2076
2077	# unload cf.pm "a bit"	2421	warn "unloading cf.pm \"a bit\"";
2078	delete $INC{"cf.pm"};	2422	delete $INC{"cf.pm"};
2079		2423
2080	# don't, removes xs symbols, too,	2424	# don't, removes xs symbols, too,
2081	# and global variables created in xs	2425	# and global variables created in xs
2082	#Symbol::delete_package __PACKAGE__;	2426	#Symbol::delete_package __PACKAGE__;
2083		2427
2084	# reload cf.pm	2428	warn "unload completed, starting to reload now";
		2429
2085	warn "reloading cf.pm";	2430	warn "reloading cf.pm";
2086	require cf;	2431	require cf;
2087	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2432	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2088		2433
2089	# load config and database again	2434	warn "loading config and database again";
2090	cf::cfg_load;	2435	cf::cfg_load;
2091	cf::db_load;	2436	cf::db_load;
2092		2437
2093	# load extensions
2094	warn "load extensions";	2438	warn "loading extensions";
2095	cf::load_extensions;	2439	cf::load_extensions;
2096		2440
2097	# reattach attachments to objects	2441	warn "reattaching attachments to objects/players";
2098	warn "reattach";
2099	_global_reattach;	2442	_global_reattach;
		2443	warn "reattaching attachments to maps";
		2444	reattach $_ for values %MAP;
		2445
		2446	warn "restarting server ticker";
		2447
		2448	$TICK_WATCHER->start;
2100	};	2449	};
2101		2450
2102	if ($@) {	2451	if ($@) {
2103	warn $@;	2452	warn $@;
2104	warn "error while reloading, exiting.";	2453	warn "error while reloading, exiting.";
2105	exit 1;	2454	exit 1;
2106	}	2455	}
2107		2456
2108	warn "reloaded successfully";	2457	warn "reloaded";
2109	};	2458	};
2110		2459
2111	#############################################################################	2460	our $RELOAD_WATCHER; # used only during reload
2112
2113	unless ($LINK_MAP) {
2114	$LINK_MAP = cf::map::new;
2115
2116	$LINK_MAP->width (41);
2117	$LINK_MAP->height (41);
2118	$LINK_MAP->alloc;
2119	$LINK_MAP->path ("{link}");
2120	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2121	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2122
2123	# dirty hack because... archetypes are not yet loaded
2124	Event->timer (
2125	after => 2,
2126	cb => sub {
2127	$_[0]->w->cancel;
2128
2129	# provide some exits "home"
2130	my $exit = cf::object::new "exit";
2131
2132	$exit->slaying ($EMERGENCY_POSITION->[0]);
2133	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2134	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2135
2136	$LINK_MAP->insert ($exit->clone, 19, 19);
2137	$LINK_MAP->insert ($exit->clone, 19, 20);
2138	$LINK_MAP->insert ($exit->clone, 19, 21);
2139	$LINK_MAP->insert ($exit->clone, 20, 19);
2140	$LINK_MAP->insert ($exit->clone, 20, 21);
2141	$LINK_MAP->insert ($exit->clone, 21, 19);
2142	$LINK_MAP->insert ($exit->clone, 21, 20);
2143	$LINK_MAP->insert ($exit->clone, 21, 21);
2144
2145	$exit->destroy;
2146	});
2147
2148	$LINK_MAP->{deny_save} = 1;
2149	$LINK_MAP->{deny_reset} = 1;
2150
2151	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2152	}
2153
2154	register "<global>", __PACKAGE__;
2155		2461
2156	register_command "reload" => sub {	2462	register_command "reload" => sub {
2157	my ($who, $arg) = @_;	2463	my ($who, $arg) = @_;
2158		2464
2159	if ($who->flag (FLAG_WIZ)) {	2465	if ($who->flag (FLAG_WIZ)) {
2160	$who->message ("start of reload.");	2466	$who->message ("reloading server.");
		2467
		2468	# doing reload synchronously and two reloads happen back-to-back,
		2469	# coro crashes during coro_state_free->destroy here.
		2470
		2471	$RELOAD_WATCHER ||= Event->timer (
		2472	reentrant => 0,
		2473	after => 0,
		2474	data => WF_AUTOCANCEL,
		2475	cb => sub {
2161	reload;	2476	reload;
2162	$who->message ("end of reload.");	2477	undef $RELOAD_WATCHER;
		2478	},
		2479	);
2163	}	2480	}
2164	};	2481	};
2165		2482
2166	unshift @INC, $LIBDIR;	2483	unshift @INC, $LIBDIR;
		2484
		2485	my $bug_warning = 0;
2167		2486
2168	$TICK_WATCHER = Event->timer (	2487	$TICK_WATCHER = Event->timer (
2169	reentrant => 0,	2488	reentrant => 0,
		2489	parked => 1,
2170	prio => 0,	2490	prio => 0,
2171	at => $NEXT_TICK || $TICK,	2491	at => $NEXT_TICK || $TICK,
2172	data => WF_AUTOCANCEL,	2492	data => WF_AUTOCANCEL,
2173	cb => sub {	2493	cb => sub {
		2494	if ($Coro::current != $Coro::main) {
		2495	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2496	unless ++$bug_warning > 10;
		2497	return;
		2498	}
		2499
		2500	$NOW = Event::time;
		2501
2174	cf::server_tick; # one server iteration	2502	cf::server_tick; # one server iteration
2175	$RUNTIME += $TICK;	2503	$RUNTIME += $TICK;
2176	$NEXT_TICK += $TICK;	2504	$NEXT_TICK += $TICK;
		2505
		2506	$WAIT_FOR_TICK->broadcast;
		2507	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2508
		2509	Event::sweep;
		2510	Coro::cede_notself;
		2511
		2512	# my $AFTER = Event::time;
		2513	# warn $AFTER - $NOW;#d#
2177		2514
2178	# if we are delayed by four ticks or more, skip them all	2515	# if we are delayed by four ticks or more, skip them all
2179	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2516	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2180		2517
2181	$TICK_WATCHER->at ($NEXT_TICK);	2518	$TICK_WATCHER->at ($NEXT_TICK);
2182	$TICK_WATCHER->start;	2519	$TICK_WATCHER->start;
2183	},	2520	},
2184	);	2521	);
2185		2522
2186	IO::AIO::max_poll_time $TICK * 0.2;	2523	IO::AIO::max_poll_time $TICK * 0.1;
2187		2524
2188	Event->io (	2525	undef $Coro::AIO::WATCHER;
		2526	$AIO_POLL_WATCHER = Event->io (
		2527	reentrant => 0,
2189	fd => IO::AIO::poll_fileno,	2528	fd => IO::AIO::poll_fileno,
2190	poll => 'r',	2529	poll => 'r',
2191	prio => 5,	2530	prio => 6,
2192	data => WF_AUTOCANCEL,	2531	data => WF_AUTOCANCEL,
2193	cb => \&IO::AIO::poll_cb,	2532	cb => \&IO::AIO::poll_cb,
2194	);	2533	);
2195		2534
2196	Event->timer (	2535	$WRITE_RUNTIME_WATCHER = Event->timer (
		2536	reentrant => 0,
2197	data => WF_AUTOCANCEL,	2537	data => WF_AUTOCANCEL,
2198	after => 0,	2538	after => 1,
2199	interval => 10,	2539	interval => 10,
2200	cb => sub {	2540	prio => 6, # keep it lowest so it acts like a watchdog
2201	(Coro::unblock_sub {	2541	cb => Coro::unblock_sub {
2202	write_runtime	2542	write_runtime
2203	or warn "ERROR: unable to write runtime file: $!";	2543	or warn "ERROR: unable to write runtime file: $!";
2204	})->();
2205	},	2544	},
2206	);	2545	);
2207		2546
2208	END { cf::emergency_save }	2547	END { cf::emergency_save }
2209		2548

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