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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.135 by root, Thu Jan 4 20:29:46 2007 UTC vs.
Revision 1.187 by root, Sat Jan 20 21:06:52 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3 ();	13	use Coro 3.4 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use Data::Dumper;
20	use Digest::MD5;	21	use Digest::MD5;
21	use Fcntl;	22	use Fcntl;
22	use IO::AIO 2.31 ();	23	use IO::AIO 2.32 ();
23	use YAML::Syck ();	24	use YAML::Syck ();
24	use Time::HiRes;	25	use Time::HiRes;
25		26
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	27	use Event; $Event::Eval = 1; # no idea why this is required, but it is
27		28
		29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		30
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	32	$YAML::Syck::ImplicitUnicode = 1;
30		33
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		35
35	our %COMMAND = ();	36	our %COMMAND = ();
36	our %COMMAND_TIME = ();	37	our %COMMAND_TIME = ();
		38
		39	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	40	our %EXTCMD = ();
		41	our %EXT_CORO = (); # coroutines bound to extensions
		42	our %EXT_MAP = (); # pluggable maps
38		43
39	our @EVENT;	44	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	45	our $LIBDIR = datadir . "/ext";
41		46
42	our $TICK = MAX_TIME * 1e-6;	47	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	48	our $TICK_WATCHER;
		49	our $AIO_POLL_WATCHER;
		50	our $WRITE_RUNTIME_WATCHER;
44	our $NEXT_TICK;	51	our $NEXT_TICK;
45	our $NOW;	52	our $NOW;
46		53
47	our %CFG;	54	our %CFG;
48		55
49	our $UPTIME; $UPTIME ||= time;	56	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	57	our $RUNTIME;
51		58
		59	our %PLAYER; # all users
52	our %MAP; # all maps	60	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	61	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	62	our $RANDOM_MAPS = cf::localdir . "/random";
55	our %EXT_CORO;	63
		64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		66
		67	# used to convert map paths into valid unix filenames by replacing / by ∕
		68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		69
57	binmode STDOUT;	70	binmode STDOUT;
58	binmode STDERR;	71	binmode STDERR;
59		72
60	# read virtual server time, if available	73	# read virtual server time, if available
…		…
68	mkdir cf::localdir . "/" . cf::playerdir;	81	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	82	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	83	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	84	mkdir $RANDOM_MAPS;
72		85
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	86	our $EMERGENCY_POSITION;
76		87
77	#############################################################################	88	#############################################################################
78		89
79	=head2 GLOBAL VARIABLES	90	=head2 GLOBAL VARIABLES
…		…
104		115
105	=item %cf::CFG	116	=item %cf::CFG
106		117
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	118	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	119	from wherever your confdir points to.
		120
		121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		122
		123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		125	processing has been done. Call C<< ->wait >> on them to maximise the
		126	window of cpu time available, or simply to synchronise to the server tick.
109		127
110	=back	128	=back
111		129
112	=cut	130	=cut
113		131
…		…
117	utf8::encode $msg;	135	utf8::encode $msg;
118		136
119	$msg .= "\n"	137	$msg .= "\n"
120	unless $msg =~ /\n$/;	138	unless $msg =~ /\n$/;
121		139
122	LOG llevError, "cfperl: $msg";	140	LOG llevError, $msg;
123	};	141	};
124	}	142	}
125		143
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		163
146	$Event::DIED = sub {	164	$Event::DIED = sub {
147	warn "error in event callback: @_";	165	warn "error in event callback: @_";
148	};	166	};
149		167
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	168	=head2 UTILITY FUNCTIONS
155		169
156	=over 4	170	=over 4
157		171
		172	=item dumpval $ref
		173
158	=cut	174	=cut
		175
		176	sub dumpval {
		177	eval {
		178	local $SIG{__DIE__};
		179	my $d;
		180	if (1) {
		181	$d = new Data::Dumper([$_[0]], ["*var"]);
		182	$d->Terse(1);
		183	$d->Indent(2);
		184	$d->Quotekeys(0);
		185	$d->Useqq(1);
		186	#$d->Bless(...);
		187	$d->Seen($_[1]) if @_ > 1;
		188	$d = $d->Dump();
		189	}
		190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		191	$d
		192	} || "[unable to dump $_[0]: '$@']";
		193	}
159		194
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	195	use JSON::Syck (); # TODO# replace by JSON::PC once working
161		196
162	=item $ref = cf::from_json $json	197	=item $ref = cf::from_json $json
163		198
…		…
221	# wake up all waiters, to be on the safe side	256	# wake up all waiters, to be on the safe side
222	$_->ready for @{ delete $LOCK{$key} };	257	$_->ready for @{ delete $LOCK{$key} };
223	}	258	}
224	}	259	}
225		260
226	=item cf::async { BLOCK }
227
228	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
229	error instead of exiting the server in case of a problem.
230
231	=cut
232
233	sub async(&) {
234	my ($cb) = @_;
235
236	Coro::async {
237	eval { $cb->() };
238	warn $@ if $@;
239	}
240	}
241
242	sub freeze_mainloop {	261	sub freeze_mainloop {
243	return unless $TICK_WATCHER->is_active;	262	return unless $TICK_WATCHER->is_active;
244		263
245	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;
246	$TICK_WATCHER->stop;	269	$TICK_WATCHER->stop;
247	$guard	270	$guard
248	}	271	}
		272
		273	=item cf::async { BLOCK }
		274
		275	Currently the same as Coro::async_pool, meaning you cannot use
		276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		277	thing you are allowed to do is call C<prio> on it.
		278
		279	=cut
		280
		281	BEGIN { *async = \&Coro::async_pool }
249		282
250	=item cf::sync_job { BLOCK }	283	=item cf::sync_job { BLOCK }
251		284
252	The design of crossfire+ requires that the main coro ($Coro::main) is	285	The design of crossfire+ requires that the main coro ($Coro::main) is
253	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
…		…
272	my $freeze_guard = freeze_mainloop;	305	my $freeze_guard = freeze_mainloop;
273		306
274	my $busy = 1;	307	my $busy = 1;
275	my @res;	308	my @res;
276		309
277	(Coro::async {	310	(async {
278	@res = eval { $job->() };	311	@res = eval { $job->() };
279	warn $@ if $@;	312	warn $@ if $@;
280	undef $busy;	313	undef $busy;
281	})->prio (Coro::PRIO_MAX);	314	})->prio (Coro::PRIO_MAX);
282		315
283	while ($busy) {	316	while ($busy) {
284	Coro::cede_notself;	317	Coro::cede or Event::one_event;
285	Event::one_event unless Coro::nready;
286	}	318	}
287		319
288	wantarray ? @res : $res[0]	320	wantarray ? @res : $res[0]
289	} else {	321	} else {
290	# we are in another coroutine, how wonderful, everything just works	322	# we are in another coroutine, how wonderful, everything just works
291		323
292	$job->()	324	$job->()
293	}	325	}
294	}	326	}
295		327
296	=item $coro = cf::coro { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
297		329
298	Creates and returns a new coro. This coro is automcatially being canceled	330	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	331	extension calling this is being unloaded.
300		332
301	=cut	333	=cut
302		334
303	sub coro(&) {	335	sub async_ext(&) {
304	my $cb = shift;	336	my $cb = shift;
305		337
306	my $coro = &cf::async ($cb);	338	my $coro = &Coro::async ($cb);
307		339
308	$coro->on_destroy (sub {	340	$coro->on_destroy (sub {
309	delete $EXT_CORO{$coro+0};	341	delete $EXT_CORO{$coro+0};
310	});	342	});
311	$EXT_CORO{$coro+0} = $coro;	343	$EXT_CORO{$coro+0} = $coro;
…		…
317	my $runtime = cf::localdir . "/runtime";	349	my $runtime = cf::localdir . "/runtime";
318		350
319	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
320	or return;	352	or return;
321		353
		354	my $value = $cf::RUNTIME + 90 + 10;
322	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
323	(aio_write $fh, 0, (length $value), $value, 0) <= 0	358	(aio_write $fh, 0, (length $value), $value, 0) <= 0
324	and return;	359	and return;
325		360
326	aio_fsync $fh	361	aio_fsync $fh
327	and return;	362	and return;
…		…
336	}	371	}
337		372
338	=back	373	=back
339		374
340	=cut	375	=cut
341
342	#############################################################################
343
344	package cf::path;
345
346	sub new {
347	my ($class, $path, $base) = @_;
348
349	$path = $path->as_string if ref $path;
350
351	my $self = bless { }, $class;
352
353	# {... are special paths that are not touched
354	# ?xxx/... are special absolute paths
355	# ?random/... random maps
356	# /! non-realised random map exit
357	# /... normal maps
358	# ~/... per-player maps without a specific player (DO NOT USE)
359	# ~user/... per-player map of a specific user
360
361	if ($path =~ /^{/) {
362	# fine as it is
363	} elsif ($path =~ s{^\?random/}{}) {
364	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
365	$self->{random} = cf::from_json $data;
366	} else {
367	if ($path =~ s{^~([^/]+)?}{}) {
368	$self->{user_rel} = 1;
369
370	if (defined $1) {
371	$self->{user} = $1;
372	} elsif ($base =~ m{^~([^/]+)/}) {
373	$self->{user} = $1;
374	} else {
375	warn "cannot resolve user-relative path without user <$path,$base>\n";
376	}
377	} elsif ($path =~ /^\//) {
378	# already absolute
379	} else {
380	$base =~ s{[^/]+/?$}{};
381	return $class->new ("$base/$path");
382	}
383
384	for ($path) {
385	redo if s{/\.?/}{/};
386	redo if s{/[^/]+/\.\./}{/};
387	}
388	}
389
390	$self->{path} = $path;
391
392	$self
393	}
394
395	# the name / primary key / in-game path
396	sub as_string {
397	my ($self) = @_;
398
399	$self->{user_rel} ? "~$self->{user}$self->{path}"
400	: $self->{random} ? "?random/$self->{path}"
401	: $self->{path}
402	}
403
404	# the displayed name, this is a one way mapping
405	sub visible_name {
406	my ($self) = @_;
407
408	# if (my $rmp = $self->{random}) {
409	# # todo: be more intelligent about this
410	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
411	# } else {
412	$self->as_string
413	# }
414	}
415
416	# escape the /'s in the path
417	sub _escaped_path {
418	# ∕ is U+2215
419	(my $path = $_[0]{path}) =~ s/\//∕/g;
420	$path
421	}
422
423	# the original (read-only) location
424	sub load_path {
425	my ($self) = @_;
426
427	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
428	}
429
430	# the temporary/swap location
431	sub save_path {
432	my ($self) = @_;
433
434	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
435	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
436	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
437	}
438
439	# the unique path, might be eq to save_path
440	sub uniq_path {
441	my ($self) = @_;
442
443	$self->{user_rel} || $self->{random}
444	? undef
445	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
446	}
447
448	# return random map parameters, or undef
449	sub random_map_params {
450	my ($self) = @_;
451
452	$self->{random}
453	}
454
455	# this is somewhat ugly, but style maps do need special treatment
456	sub is_style_map {
457	$_[0]{path} =~ m{^/styles/}
458	}
459
460	package cf;
461		376
462	#############################################################################	377	#############################################################################
463		378
464	=head2 ATTACHABLE OBJECTS	379	=head2 ATTACHABLE OBJECTS
465		380
…		…
591	our @CB_TYPE = (); # registry for type (cf-object class) based events	506	our @CB_TYPE = (); # registry for type (cf-object class) based events
592	our @CB_MAP = ();	507	our @CB_MAP = ();
593		508
594	my %attachment;	509	my %attachment;
595		510
		511	sub cf::attachable::thawer_merge {
		512	# simply override everything except _meta
		513	local $_[0]{_meta};
		514	%{$_[0]} = %{$_[1]};
		515	}
		516
596	sub _attach_cb($$$$) {	517	sub _attach_cb($$$$) {
597	my ($registry, $event, $prio, $cb) = @_;	518	my ($registry, $event, $prio, $cb) = @_;
598		519
599	use sort 'stable';	520	use sort 'stable';
600		521
…		…
771	# object support	692	# object support
772		693
773	sub reattach {	694	sub reattach {
774	# basically do the same as instantiate, without calling instantiate	695	# basically do the same as instantiate, without calling instantiate
775	my ($obj) = @_;	696	my ($obj) = @_;
		697
		698	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
776		699
777	my $registry = $obj->registry;	700	my $registry = $obj->registry;
778		701
779	@$registry = ();	702	@$registry = ();
780		703
…		…
912	=cut	835	=cut
913		836
914	sub register_extcmd {	837	sub register_extcmd {
915	my ($name, $cb) = @_;	838	my ($name, $cb) = @_;
916		839
917	my $caller = caller;
918	#warn "registering extcmd '$name' to '$caller'";
919
920	$EXTCMD{$name} = [$cb, $caller];	840	$EXTCMD{$name} = $cb;
921	}	841	}
922		842
923	cf::player->attach (	843	cf::player->attach (
924	on_command => sub {	844	on_command => sub {
925	my ($pl, $name, $params) = @_;	845	my ($pl, $name, $params) = @_;
…		…
938		858
939	my $msg = eval { from_json $buf };	859	my $msg = eval { from_json $buf };
940		860
941	if (ref $msg) {	861	if (ref $msg) {
942	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
943	if (my %reply = $cb->[0]->($pl, $msg)) {	863	if (my %reply = $cb->($pl, $msg)) {
944	$pl->ext_reply ($msg->{msgid}, %reply);	864	$pl->ext_reply ($msg->{msgid}, %reply);
945	}	865	}
946	}	866	}
947	} else {	867	} else {
948	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
950		870
951	cf::override;	871	cf::override;
952	},	872	},
953	);	873	);
954		874
955	sub register {
956	my ($base, $pkg) = @_;
957
958	#TODO
959	}
960
961	sub load_extension {	875	sub load_extension {
962	my ($path) = @_;	876	my ($path) = @_;
963		877
964	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
965	my $base = $1;	879	my $base = $1;
966	my $pkg = $1;	880	my $pkg = $1;
967	$pkg =~ s/[^[:word:]]/_/g;	881	$pkg =~ s/[^[:word:]]/_/g;
968	$pkg = "ext::$pkg";	882	$pkg = "ext::$pkg";
969		883
970	warn "loading '$path' into '$pkg'\n";	884	warn "... loading '$path' into '$pkg'\n";
971		885
972	open my $fh, "<:utf8", $path	886	open my $fh, "<:utf8", $path
973	or die "$path: $!";	887	or die "$path: $!";
974		888
975	my $source =	889	my $source =
976	"package $pkg; use strict; use utf8;\n"	890	"package $pkg; use strict; use utf8;\n"
977	. "#line 1 \"$path\"\n{\n"	891	. "#line 1 \"$path\"\n{\n"
978	. (do { local $/; <$fh> })	892	. (do { local $/; <$fh> })
979	. "\n};\n1";	893	. "\n};\n1";
980		894
981	eval $source	895	unless (eval $source) {
982	or die $@ ? "$path: $@\n"	896	my $msg = $@ ? "$path: $@\n"
983	: "extension disabled.\n";	897	: "extension disabled.\n";
984		898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
985	push @exts, $pkg;	899	warn $@;
986	$ext_pkg{$base} = $pkg;	900	warn "mandatory extension failed to load, exiting.\n";
987		901	exit 1;
988	# no strict 'refs';	902	}
989	# @{"$pkg\::ISA"} = ext::;	903	die $@;
990
991	register $base, $pkg;
992	}
993
994	sub unload_extension {
995	my ($pkg) = @_;
996
997	warn "removing extension $pkg\n";
998
999	# remove hooks
1000	#TODO
1001	# for my $idx (0 .. $#PLUGIN_EVENT) {
1002	# delete $hook[$idx]{$pkg};
1003	# }	904	}
1004		905
1005	# remove commands	906	push @EXTS, $pkg;
1006	for my $name (keys %COMMAND) {
1007	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1008
1009	if (@cb) {
1010	$COMMAND{$name} = \@cb;
1011	} else {
1012	delete $COMMAND{$name};
1013	}
1014	}
1015
1016	# remove extcmds
1017	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1018	delete $EXTCMD{$name};
1019	}
1020
1021	if (my $cb = $pkg->can ("unload")) {
1022	eval {
1023	$cb->($pkg);
1024	1
1025	} or warn "$pkg unloaded, but with errors: $@";
1026	}
1027
1028	Symbol::delete_package $pkg;
1029	}	907	}
1030		908
1031	sub load_extensions {	909	sub load_extensions {
1032	for my $ext (<$LIBDIR/*.ext>) {	910	for my $ext (<$LIBDIR/*.ext>) {
1033	next unless -r $ext;	911	next unless -r $ext;
…		…
1037	} or warn "$ext not loaded: $@";	915	} or warn "$ext not loaded: $@";
1038	}	916	}
1039	}	917	}
1040		918
1041	#############################################################################	919	#############################################################################
1042	# load/save/clean perl data associated with a map
1043
1044	*cf::mapsupport::on_clean = sub {
1045	my ($map) = @_;
1046
1047	my $path = $map->tmpname;
1048	defined $path or return;
1049
1050	unlink "$path.pst";
1051	};
1052
1053	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1054
1055	#############################################################################
1056	# load/save perl data associated with player->ob objects
1057
1058	sub all_objects(@) {
1059	@_, map all_objects ($_->inv), @_
1060	}
1061
1062	# TODO: compatibility cruft, remove when no longer needed
1063	cf::player->attach (
1064	on_load => sub {
1065	my ($pl, $path) = @_;
1066
1067	for my $o (all_objects $pl->ob) {
1068	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1069	$o->set_ob_key_value ("_perl_data");
1070
1071	%$o = %{ Storable::thaw pack "H*", $value };
1072	}
1073	}
1074	},
1075	);
1076
1077	#############################################################################
1078		920
1079	=head2 CORE EXTENSIONS	921	=head2 CORE EXTENSIONS
1080		922
1081	Functions and methods that extend core crossfire objects.	923	Functions and methods that extend core crossfire objects.
1082		924
		925	=cut
		926
		927	package cf::player;
		928
		929	use Coro::AIO;
		930
1083	=head3 cf::player	931	=head3 cf::player
1084		932
1085	=over 4	933	=over 4
1086		934
1087	=item cf::player::exists $login	935	=item cf::player::find $login
1088		936
1089	Returns true when the given account exists.	937	Returns the given player object, loading it if necessary (might block).
1090		938
1091	=cut	939	=cut
1092		940
1093	sub cf::player::exists($) {	941	sub playerdir($) {
1094	cf::player::find $_[0]	942	cf::localdir
1095	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
1096	}	1088	}
1097		1089
1098	=item $player->ext_reply ($msgid, $msgtype, %msg)	1090	=item $player->ext_reply ($msgid, $msgtype, %msg)
1099		1091
1100	Sends an ext reply to the player.	1092	Sends an ext reply to the player.
1101		1093
1102	=cut	1094	=cut
1103		1095
1104	sub cf::player::ext_reply($$$%) {	1096	sub ext_reply($$$%) {
1105	my ($self, $id, %msg) = @_;	1097	my ($self, $id, %msg) = @_;
1106		1098
1107	$msg{msgid} = $id;	1099	$msg{msgid} = $id;
1108		1100
1109	$self->send ("ext " . to_json \%msg);	1101	$self->send ("ext " . cf::to_json \%msg);
1110	}	1102	}
		1103
		1104	package cf;
1111		1105
1112	=back	1106	=back
1113		1107
1114		1108
1115	=head3 cf::map	1109	=head3 cf::map
…		…
1121	package cf::map;	1115	package cf::map;
1122		1116
1123	use Fcntl;	1117	use Fcntl;
1124	use Coro::AIO;	1118	use Coro::AIO;
1125		1119
		1120	use overload
		1121	'""' => \&as_string,
		1122	fallback => 1;
		1123
1126	our $MAX_RESET = 3600;	1124	our $MAX_RESET = 3600;
1127	our $DEFAULT_RESET = 3000;	1125	our $DEFAULT_RESET = 3000;
1128		1126
1129	sub generate_random_map {	1127	sub generate_random_map {
1130	my ($path, $rmp) = @_;	1128	my ($self, $rmp) = @_;
1131
1132	# mit "rum" bekleckern, nicht	1129	# mit "rum" bekleckern, nicht
1133	cf::map::_create_random_map	1130	$self->_create_random_map (
1134	$path,
1135	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1136	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1137	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1138	$rmp->{exit_on_final_map},	1134	$rmp->{exit_on_final_map},
1139	$rmp->{xsize}, $rmp->{ysize},	1135	$rmp->{xsize}, $rmp->{ysize},
1140	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1141	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1142	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1143	$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},
1144	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1145	(cf::region::find $rmp->{region})	1141	(cf::region::find $rmp->{region}), $rmp->{custom}
		1142	)
		1143	}
		1144
		1145	=item cf::map->register ($regex, $prio)
		1146
		1147	Register a handler for the map path matching the given regex at the
		1148	givne priority (higher is better, built-in handlers have priority 0, the
		1149	default).
		1150
		1151	=cut
		1152
		1153	sub register {
		1154	my (undef, $regex, $prio) = @_;
		1155	my $pkg = caller;
		1156
		1157	no strict;
		1158	push @{"$pkg\::ISA"}, __PACKAGE__;
		1159
		1160	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1161	}
		1162
		1163	# also paths starting with '/'
		1164	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1165
		1166	sub thawer_merge {
		1167	my ($self, $merge) = @_;
		1168
		1169	# we have to keep some variables in memory intact
		1170	local $self->{path};
		1171	local $self->{load_path};
		1172	local $self->{deny_save};
		1173	local $self->{deny_reset};
		1174
		1175	$self->SUPER::thawer_merge ($merge);
		1176	}
		1177
		1178	sub normalise {
		1179	my ($path, $base) = @_;
		1180
		1181	# map plan:
		1182	#
		1183	# /! non-realised random map exit (special hack!)
		1184	# {... are special paths that are not being touched
		1185	# ?xxx/... are special absolute paths
		1186	# ?random/... random maps
		1187	# /... normal maps
		1188	# ~user/... per-player map of a specific user
		1189
		1190	$path =~ s/$PATH_SEP/\//go;
		1191
		1192	# treat it as relative path if it starts with
		1193	# something that looks reasonable
		1194	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1195	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1196
		1197	$base =~ s{[^/]+/?$}{};
		1198	$path = "$base/$path";
		1199	}
		1200
		1201	for ($path) {
		1202	redo if s{//}{/};
		1203	redo if s{/\.?/}{/};
		1204	redo if s{/[^/]+/\.\./}{/};
		1205	}
		1206
		1207	$path
		1208	}
		1209
		1210	sub new_from_path {
		1211	my (undef, $path, $base) = @_;
		1212
		1213	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1214
		1215	$path = normalise $path, $base;
		1216
		1217	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1218	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1219	my $self = bless cf::map::new, $pkg;
		1220	$self->{path} = $path; $self->path ($path);
		1221	$self->init; # pass $1 etc.
		1222	return $self;
		1223	}
		1224	}
		1225
		1226	Carp::carp "unable to resolve path '$path'.";
		1227	()
		1228	}
		1229
		1230	sub init {
		1231	my ($self) = @_;
		1232
		1233	$self
		1234	}
		1235
		1236	sub as_string {
		1237	my ($self) = @_;
		1238
		1239	"$self->{path}"
		1240	}
		1241
		1242	# the displayed name, this is a one way mapping
		1243	sub visible_name {
		1244	&as_string
		1245	}
		1246
		1247	# the original (read-only) location
		1248	sub load_path {
		1249	my ($self) = @_;
		1250
		1251	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		1252	}
		1253
		1254	# the temporary/swap location
		1255	sub save_path {
		1256	my ($self) = @_;
		1257
		1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1259	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
		1260	}
		1261
		1262	# the unique path, undef == no special unique path
		1263	sub uniq_path {
		1264	my ($self) = @_;
		1265
		1266	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1267	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1146	}	1268	}
1147		1269
1148	# and all this just because we cannot iterate over	1270	# and all this just because we cannot iterate over
1149	# all maps in C++...	1271	# all maps in C++...
1150	sub change_all_map_light {	1272	sub change_all_map_light {
…		…
1152		1274
1153	$_->change_map_light ($change)	1275	$_->change_map_light ($change)
1154	for grep $_->outdoor, values %cf::MAP;	1276	for grep $_->outdoor, values %cf::MAP;
1155	}	1277	}
1156		1278
		1279	sub unlink_save {
		1280	my ($self) = @_;
		1281
		1282	utf8::encode (my $save = $self->save_path);
		1283	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1284	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1285	}
		1286
1157	sub try_load_header($) {	1287	sub load_header_from($) {
1158	my ($path) = @_;	1288	my ($self, $path) = @_;
1159		1289
1160	utf8::encode $path;	1290	utf8::encode $path;
1161	aio_open $path, O_RDONLY, 0	1291	aio_open $path, O_RDONLY, 0
1162	or return;	1292	or return;
1163		1293
1164	my $map = cf::map::new	1294	$self->_load_header ($path)
1165	or return;	1295	or return;
1166		1296
1167	# for better error messages only, will be overwritten	1297	$self->{load_path} = $path;
1168	$map->path ($path);
1169		1298
1170	$map->load_header ($path)	1299	1
		1300	}
		1301
		1302	sub load_orig {
		1303	my ($self) = @_;
		1304
		1305	$self->load_header_from ($self->load_path)
		1306	}
		1307
		1308	sub load_temp {
		1309	my ($self) = @_;
		1310
		1311	$self->load_header_from ($self->save_path)
		1312	}
		1313
		1314	sub load_header {
		1315	my ($self) = @_;
		1316
		1317	if ($self->load_temp) {
		1318	$self->last_access ((delete $self->{last_access})
		1319	|| $cf::RUNTIME); #d#
		1320	# safety
		1321	$self->{instantiate_time} = $cf::RUNTIME
		1322	if $self->{instantiate_time} > $cf::RUNTIME;
		1323	} else {
		1324	$self->load_orig
1171	or return;	1325	or return;
1172		1326
1173	$map->{load_path} = $path;	1327	$self->{load_original} = 1;
		1328	$self->{instantiate_time} = $cf::RUNTIME;
		1329	$self->last_access ($cf::RUNTIME);
		1330	$self->instantiate;
		1331	}
1174		1332
1175	$map	1333	1
1176	}	1334	}
1177		1335
1178	sub find;	1336	sub find;
1179	sub find {	1337	sub find {
1180	my ($path, $origin) = @_;	1338	my ($path, $origin) = @_;
1181		1339
1182	#warn "find<$path,$origin>\n";#d#
1183
1184	$path = new cf::path $path, $origin && $origin->path;	1340	$path = normalise $path, $origin && $origin->path;
1185	my $key = $path->as_string;
1186		1341
1187	cf::lock_wait "map_find:$key";	1342	cf::lock_wait "map_find:$path";
1188		1343
1189	$cf::MAP{$key} || do {	1344	$cf::MAP{$path} || do {
1190	my $guard = cf::lock_acquire "map_find:$key";	1345	my $guard = cf::lock_acquire "map_find:$path";
1191		1346	my $map = new_from_path cf::map $path
1192	# do it the slow way
1193	my $map = try_load_header $path->save_path;
1194
1195	Coro::cede;
1196
1197	if ($map) {
1198	$map->last_access ((delete $map->{last_access})
1199	|| $cf::RUNTIME); #d#
1200	# safety
1201	$map->{instantiate_time} = $cf::RUNTIME
1202	if $map->{instantiate_time} > $cf::RUNTIME;
1203	} else {
1204	if (my $rmp = $path->random_map_params) {
1205	$map = generate_random_map $key, $rmp;
1206	} else {
1207	$map = try_load_header $path->load_path;
1208	}
1209
1210	$map or return;	1347	or return;
1211		1348
1212	$map->{load_original} = 1;
1213	$map->{instantiate_time} = $cf::RUNTIME;
1214	$map->last_access ($cf::RUNTIME);
1215	$map->instantiate;
1216
1217	# per-player maps become, after loading, normal maps
1218	$map->per_player (0) if $path->{user_rel};
1219	}
1220
1221	$map->path ($key);
1222	$map->{path} = $path;
1223	$map->{last_save} = $cf::RUNTIME;	1349	$map->{last_save} = $cf::RUNTIME;
1224		1350
1225	Coro::cede;	1351	$map->load_header
		1352	or return;
1226		1353
1227	if ($map->should_reset) {	1354	if ($map->should_reset) {
		1355	# doing this can freeze the server in a sync job, obviously
		1356	#$cf::WAIT_FOR_TICK->wait;
1228	$map->reset;	1357	$map->reset;
1229	undef $guard;	1358	undef $guard;
1230	$map = find $path	1359	$map = find $path
1231	or return;	1360	or return;
1232	}	1361	}
1233		1362
1234	$cf::MAP{$key} = $map	1363	$cf::MAP{$path} = $map
1235	}	1364	}
1236	}	1365	}
1237		1366
1238	sub load {	1367	sub load {
1239	my ($self) = @_;	1368	my ($self) = @_;
1240		1369
1241	my $path = $self->{path};	1370	my $path = $self->{path};
1242	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1371	my $guard = cf::lock_acquire "map_load:$path";
1243		1372
1244	return if $self->in_memory != cf::MAP_SWAPPED;	1373	return if $self->in_memory != cf::MAP_SWAPPED;
1245		1374
1246	$self->in_memory (cf::MAP_LOADING);	1375	$self->in_memory (cf::MAP_LOADING);
1247		1376
1248	$self->alloc;	1377	$self->alloc;
1249	$self->load_objects ($self->{load_path}, 1)	1378	$self->_load_objects ($self->{load_path}, 1)
1250	or return;	1379	or return;
1251		1380
1252	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1381	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1253	if delete $self->{load_original};	1382	if delete $self->{load_original};
1254		1383
1255	if (my $uniq = $path->uniq_path) {	1384	if (my $uniq = $self->uniq_path) {
1256	utf8::encode $uniq;	1385	utf8::encode $uniq;
1257	if (aio_open $uniq, O_RDONLY, 0) {	1386	if (aio_open $uniq, O_RDONLY, 0) {
1258	$self->clear_unique_items;	1387	$self->clear_unique_items;
1259	$self->load_objects ($uniq, 0);	1388	$self->_load_objects ($uniq, 0);
1260	}	1389	}
1261	}	1390	}
1262		1391
1263	Coro::cede;	1392	Coro::cede;
1264		1393
1265	# now do the right thing for maps	1394	# now do the right thing for maps
1266	$self->link_multipart_objects;	1395	$self->link_multipart_objects;
1267		1396
1268	if ($self->{path}->is_style_map) {	1397	unless ($self->{deny_activate}) {
1269	$self->{deny_save} = 1;	1398	$self->decay_objects;
1270	$self->{deny_reset} = 1;
1271	} else {
1272	$self->fix_auto_apply;	1399	$self->fix_auto_apply;
1273	$self->decay_objects;
1274	$self->update_buttons;	1400	$self->update_buttons;
		1401	Coro::cede;
1275	$self->set_darkness_map;	1402	$self->set_darkness_map;
1276	$self->difficulty ($self->estimate_difficulty)	1403	$self->difficulty ($self->estimate_difficulty)
1277	unless $self->difficulty;	1404	unless $self->difficulty;
		1405	Coro::cede;
1278	$self->activate;	1406	$self->activate;
1279	}	1407	}
1280		1408
1281	Coro::cede;
1282
1283	$self->in_memory (cf::MAP_IN_MEMORY);	1409	$self->in_memory (cf::MAP_IN_MEMORY);
		1410	}
		1411
		1412	sub customise_for {
		1413	my ($self, $ob) = @_;
		1414
		1415	return find "~" . $ob->name . "/" . $self->{path}
		1416	if $self->per_player;
		1417
		1418	$self
		1419	}
		1420
		1421	# find and load all maps in the 3x3 area around a map
		1422	sub load_diag {
		1423	my ($map) = @_;
		1424
		1425	my @diag; # diagonal neighbours
		1426
		1427	for (0 .. 3) {
		1428	my $neigh = $map->tile_path ($_)
		1429	or next;
		1430	$neigh = find $neigh, $map
		1431	or next;
		1432	$neigh->load;
		1433
		1434	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1435	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1436	}
		1437
		1438	for (@diag) {
		1439	my $neigh = find @$_
		1440	or next;
		1441	$neigh->load;
		1442	}
1284	}	1443	}
1285		1444
1286	sub find_sync {	1445	sub find_sync {
1287	my ($path, $origin) = @_;	1446	my ($path, $origin) = @_;
1288		1447
1289	cf::sync_job { cf::map::find $path, $origin }	1448	cf::sync_job { find $path, $origin }
1290	}	1449	}
1291		1450
1292	sub do_load_sync {	1451	sub do_load_sync {
1293	my ($map) = @_;	1452	my ($map) = @_;
1294		1453
1295	cf::sync_job { $map->load };	1454	cf::sync_job { $map->load };
1296	}	1455	}
1297		1456
		1457	our %MAP_PREFETCH;
		1458	our $MAP_PREFETCHER = undef;
		1459
		1460	sub find_async {
		1461	my ($path, $origin) = @_;
		1462
		1463	$path = normalise $path, $origin && $origin->{path};
		1464
		1465	if (my $map = $cf::MAP{$path}) {
		1466	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1467	}
		1468
		1469	undef $MAP_PREFETCH{$path};
		1470	$MAP_PREFETCHER ||= cf::async {
		1471	while (%MAP_PREFETCH) {
		1472	for my $path (keys %MAP_PREFETCH) {
		1473	my $map = find $path
		1474	or next;
		1475	$map->load;
		1476
		1477	delete $MAP_PREFETCH{$path};
		1478	}
		1479	}
		1480	undef $MAP_PREFETCHER;
		1481	};
		1482
		1483	()
		1484	}
		1485
1298	sub save {	1486	sub save {
1299	my ($self) = @_;	1487	my ($self) = @_;
1300		1488
		1489	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1490
1301	$self->{last_save} = $cf::RUNTIME;	1491	$self->{last_save} = $cf::RUNTIME;
1302		1492
1303	return unless $self->dirty;	1493	return unless $self->dirty;
1304		1494
1305	my $save = $self->{path}->save_path; utf8::encode $save;	1495	my $save = $self->save_path; utf8::encode $save;
1306	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1496	my $uniq = $self->uniq_path; utf8::encode $uniq;
1307		1497
1308	$self->{load_path} = $save;	1498	$self->{load_path} = $save;
1309		1499
1310	return if $self->{deny_save};	1500	return if $self->{deny_save};
1311		1501
1312	local $self->{last_access} = $self->last_access;#d#	1502	local $self->{last_access} = $self->last_access;#d#
1313		1503
		1504	cf::async {
		1505	$_->contr->save for $self->players;
		1506	};
		1507
1314	if ($uniq) {	1508	if ($uniq) {
1315	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1509	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1316	$self->save_objects ($uniq, cf::IO_UNIQUES);	1510	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1317	} else {	1511	} else {
1318	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1512	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1319	}	1513	}
1320	}	1514	}
1321		1515
1322	sub swap_out {	1516	sub swap_out {
1323	my ($self) = @_;	1517	my ($self) = @_;
1324		1518
1325	# save first because save cedes	1519	# save first because save cedes
1326	$self->save;	1520	$self->save;
		1521
		1522	my $lock = cf::lock_acquire "map_data:" . $self->path;
1327		1523
1328	return if $self->players;	1524	return if $self->players;
1329	return if $self->in_memory != cf::MAP_IN_MEMORY;	1525	return if $self->in_memory != cf::MAP_IN_MEMORY;
1330	return if $self->{deny_save};	1526	return if $self->{deny_save};
1331		1527
…		…
1335		1531
1336	sub reset_at {	1532	sub reset_at {
1337	my ($self) = @_;	1533	my ($self) = @_;
1338		1534
1339	# TODO: safety, remove and allow resettable per-player maps	1535	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};	1536	return 1e99 if $self->isa ("ext::map_per_player");#d#
1341	return 1e99 if $self->{deny_reset};	1537	return 1e99 if $self->{deny_reset};
1342		1538
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1539	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1540	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345		1541
…		…
1350	my ($self) = @_;	1546	my ($self) = @_;
1351		1547
1352	$self->reset_at <= $cf::RUNTIME	1548	$self->reset_at <= $cf::RUNTIME
1353	}	1549	}
1354		1550
1355	sub unlink_save {
1356	my ($self) = @_;
1357
1358	utf8::encode (my $save = $self->{path}->save_path);
1359	aioreq_pri 3; IO::AIO::aio_unlink $save;
1360	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1361	}
1362
1363	sub rename {
1364	my ($self, $new_path) = @_;
1365
1366	$self->unlink_save;
1367
1368	delete $cf::MAP{$self->path};
1369	$self->{path} = new cf::path $new_path;
1370	$self->path ($self->{path}->as_string);
1371	$cf::MAP{$self->path} = $self;
1372
1373	$self->save;
1374	}
1375
1376	sub reset {	1551	sub reset {
1377	my ($self) = @_;	1552	my ($self) = @_;
1378		1553
		1554	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1555
1379	return if $self->players;	1556	return if $self->players;
1380	return if $self->{path}{user_rel};#d#	1557	return if $self->isa ("ext::map_per_player");#d#
1381		1558
1382	warn "resetting map ", $self->path;#d#	1559	warn "resetting map ", $self->path;#d#
1383		1560
1384	delete $cf::MAP{$self->path};	1561	delete $cf::MAP{$self->path};
		1562
		1563	$self->in_memory (cf::MAP_SWAPPED);
		1564	$self->clear;
1385		1565
1386	$_->clear_links_to ($self) for values %cf::MAP;	1566	$_->clear_links_to ($self) for values %cf::MAP;
1387		1567
1388	$self->unlink_save;	1568	$self->unlink_save;
1389	$self->destroy;	1569	$self->destroy;
…		…
1392	my $nuke_counter = "aaaa";	1572	my $nuke_counter = "aaaa";
1393		1573
1394	sub nuke {	1574	sub nuke {
1395	my ($self) = @_;	1575	my ($self) = @_;
1396		1576
		1577	delete $cf::MAP{$self->path};
		1578
		1579	$self->unlink_save;
		1580
		1581	bless $self, "cf::map";
		1582	delete $self->{deny_reset};
1397	$self->{deny_save} = 1;	1583	$self->{deny_save} = 1;
1398	$self->reset_timeout (1);	1584	$self->reset_timeout (1);
1399	$self->rename ("{nuke}/" . ($nuke_counter++));	1585	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1586
		1587	$cf::MAP{$self->path} = $self;
		1588
1400	$self->reset; # polite request, might not happen	1589	$self->reset; # polite request, might not happen
1401	}	1590	}
1402		1591
1403	sub customise_for {	1592	=item cf::map::unique_maps
1404	my ($map, $ob) = @_;
1405		1593
1406	if ($map->per_player) {	1594	Returns an arrayref of paths of all shared maps that have
1407	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1595	instantiated unique items. May block.
1408	}
1409		1596
1410	$map	1597	=cut
1411	}
1412		1598
1413	sub emergency_save {	1599	sub unique_maps() {
1414	my $freeze_guard = cf::freeze_mainloop;	1600	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1601	or return;
1415		1602
1416	warn "enter emergency map save\n";	1603	my @paths;
1417		1604
1418	cf::sync_job {	1605	for (@$files) {
1419	warn "begin emergency map save\n";	1606	utf8::decode $_;
1420	$_->save for values %cf::MAP;	1607	next if /\.pst$/;
		1608	next unless /^$PATH_SEP/o;
		1609
		1610	s/\.map$//;
		1611	push @paths, $_;
1421	};	1612	}
1422		1613
1423	warn "end emergency map save\n";	1614	\@paths
1424	}	1615	}
1425		1616
1426	package cf;	1617	package cf;
1427		1618
1428	=back	1619	=back
1429		1620
		1621	=head3 cf::object
		1622
		1623	=cut
		1624
		1625	package cf::object;
		1626
		1627	=over 4
		1628
		1629	=item $ob->inv_recursive
		1630
		1631	Returns the inventory of the object _and_ their inventories, recursively.
		1632
		1633	=cut
		1634
		1635	sub inv_recursive_;
		1636	sub inv_recursive_ {
		1637	map { $_, inv_recursive_ $_->inv } @_
		1638	}
		1639
		1640	sub inv_recursive {
		1641	inv_recursive_ inv $_[0]
		1642	}
		1643
		1644	package cf;
		1645
		1646	=back
1430		1647
1431	=head3 cf::object::player	1648	=head3 cf::object::player
1432		1649
1433	=over 4	1650	=over 4
1434		1651
…		…
1474		1691
1475	=item $player_object->enter_link	1692	=item $player_object->enter_link
1476		1693
1477	Freezes the player and moves him/her to a special map (C<{link}>).	1694	Freezes the player and moves him/her to a special map (C<{link}>).
1478		1695
1479	The player should be reaosnably safe there for short amounts of time. You	1696	The player should be reasonably safe there for short amounts of time. You
1480	I<MUST> call C<leave_link> as soon as possible, though.	1697	I<MUST> call C<leave_link> as soon as possible, though.
1481		1698
		1699	Will never block.
		1700
1482	=item $player_object->leave_link ($map, $x, $y)	1701	=item $player_object->leave_link ($map, $x, $y)
1483		1702
1484	Moves the player out of the specila link map onto the given map. If the	1703	Moves the player out of the special C<{link}> map onto the specified
1485	map is not valid (or omitted), the player will be moved back to the	1704	map. If the map is not valid (or omitted), the player will be moved back
1486	location he/she was before the call to C<enter_link>, or, if that fails,	1705	to the location he/she was before the call to C<enter_link>, or, if that
1487	to the emergency map position.	1706	fails, to the emergency map position.
1488		1707
1489	Might block.	1708	Might block.
1490		1709
1491	=cut	1710	=cut
		1711
		1712	sub link_map {
		1713	unless ($LINK_MAP) {
		1714	$LINK_MAP = cf::map::find "{link}"
		1715	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
		1716	$LINK_MAP->load;
		1717	}
		1718
		1719	$LINK_MAP
		1720	}
1492		1721
1493	sub cf::object::player::enter_link {	1722	sub cf::object::player::enter_link {
1494	my ($self) = @_;	1723	my ($self) = @_;
1495		1724
1496	$self->deactivate_recursive;	1725	$self->deactivate_recursive;
1497		1726
1498	return if $self->map == $LINK_MAP;	1727	return if UNIVERSAL::isa $self->map, "ext::map_link";
1499		1728
1500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1729	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1501	if $self->map;	1730	if $self->map;
1502		1731
1503	$self->enter_map ($LINK_MAP, 20, 20);	1732	$self->enter_map ($LINK_MAP || link_map, 20, 20);
1504	}	1733	}
1505		1734
1506	sub cf::object::player::leave_link {	1735	sub cf::object::player::leave_link {
1507	my ($self, $map, $x, $y) = @_;	1736	my ($self, $map, $x, $y) = @_;
1508		1737
…		…
1526	# use -1 or undef as default coordinates, not 0, 0	1755	# use -1 or undef as default coordinates, not 0, 0
1527	($x, $y) = ($map->enter_x, $map->enter_y)	1756	($x, $y) = ($map->enter_x, $map->enter_y)
1528	if $x <=0 && $y <= 0;	1757	if $x <=0 && $y <= 0;
1529		1758
1530	$map->load;	1759	$map->load;
		1760	$map->load_diag;
1531		1761
		1762	return unless $self->contr->active;
1532	$self->activate_recursive;	1763	$self->activate_recursive;
1533	$self->enter_map ($map, $x, $y);	1764	$self->enter_map ($map, $x, $y);
1534	}	1765	}
1535		1766
1536	cf::player->attach (	1767	cf::player->attach (
…		…
1549		1780
1550	# try to abort aborted map switching on player login :)	1781	# try to abort aborted map switching on player login :)
1551	# should happen only on crashes	1782	# should happen only on crashes
1552	if ($pl->ob->{_link_pos}) {	1783	if ($pl->ob->{_link_pos}) {
1553	$pl->ob->enter_link;	1784	$pl->ob->enter_link;
1554	cf::async {	1785	(async {
1555	# we need this sleep as the login has a concurrent enter_exit running	1786	# we need this sleep as the login has a concurrent enter_exit running
1556	# and this sleep increases chances of the player not ending up in scorn	1787	# and this sleep increases chances of the player not ending up in scorn
		1788	$pl->ob->reply (undef,
		1789	"There was an internal problem at your last logout, "
		1790	. "the server will try to bring you to your intended destination in a second.",
		1791	cf::NDI_RED);
1557	Coro::Timer::sleep 1;	1792	Coro::Timer::sleep 1;
1558	$pl->ob->leave_link;	1793	$pl->ob->leave_link;
1559	};	1794	})->prio (2);
1560	}	1795	}
1561	},	1796	},
1562	);	1797	);
1563		1798
1564	=item $player_object->goto_map ($path, $x, $y)	1799	=item $player_object->goto ($path, $x, $y)
1565		1800
1566	=cut	1801	=cut
1567		1802
1568	sub cf::object::player::goto_map {	1803	sub cf::object::player::goto {
1569	my ($self, $path, $x, $y) = @_;	1804	my ($self, $path, $x, $y) = @_;
1570		1805
1571	$self->enter_link;	1806	$self->enter_link;
1572		1807
1573	(cf::async {	1808	(async {
1574	$path = new cf::path $path;
1575
1576	my $map = cf::map::find $path->as_string;	1809	my $map = cf::map::find $path;
1577	$map = $map->customise_for ($self) if $map;	1810	$map = $map->customise_for ($self) if $map;
1578		1811
1579	# warn "entering ", $map->path, " at ($x, $y)\n"	1812	# warn "entering ", $map->path, " at ($x, $y)\n"
1580	# if $map;	1813	# if $map;
1581		1814
1582	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1815	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1583		1816
1584	$self->leave_link ($map, $x, $y);	1817	$self->leave_link ($map, $x, $y);
1585	})->prio (1);	1818	})->prio (1);
1586	}	1819	}
1587		1820
…		…
1591		1824
1592	sub parse_random_map_params {	1825	sub parse_random_map_params {
1593	my ($spec) = @_;	1826	my ($spec) = @_;
1594		1827
1595	my $rmp = { # defaults	1828	my $rmp = { # defaults
1596	xsize => 10,	1829	xsize => (cf::rndm 15, 40),
1597	ysize => 10,	1830	ysize => (cf::rndm 15, 40),
		1831	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1832	#layout => string,
1598	};	1833	};
1599		1834
1600	for (split /\n/, $spec) {	1835	for (split /\n/, $spec) {
1601	my ($k, $v) = split /\s+/, $_, 2;	1836	my ($k, $v) = split /\s+/, $_, 2;
1602		1837
…		…
1606	$rmp	1841	$rmp
1607	}	1842	}
1608		1843
1609	sub prepare_random_map {	1844	sub prepare_random_map {
1610	my ($exit) = @_;	1845	my ($exit) = @_;
		1846
		1847	my $guard = cf::lock_acquire "exit_prepare:$exit";
1611		1848
1612	# all this does is basically replace the /! path by	1849	# all this does is basically replace the /! path by
1613	# a new random map path (?random/...) with a seed	1850	# a new random map path (?random/...) with a seed
1614	# that depends on the exit object	1851	# that depends on the exit object
1615		1852
…		…
1624		1861
1625	$rmp->{random_seed} ||= $exit->random_seed;	1862	$rmp->{random_seed} ||= $exit->random_seed;
1626		1863
1627	my $data = cf::to_json $rmp;	1864	my $data = cf::to_json $rmp;
1628	my $md5 = Digest::MD5::md5_hex $data;	1865	my $md5 = Digest::MD5::md5_hex $data;
		1866	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1629		1867
1630	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1868	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1631	aio_write $fh, 0, (length $data), $data, 0;	1869	aio_write $fh, 0, (length $data), $data, 0;
		1870	undef $fh;
		1871	aio_rename "$meta~", $meta;
1632		1872
1633	$exit->slaying ("?random/$md5");	1873	$exit->slaying ("?random/$md5");
1634	$exit->msg (undef);	1874	$exit->msg (undef);
1635	}	1875	}
1636	}	1876	}
…		…
1640		1880
1641	return unless $self->type == cf::PLAYER;	1881	return unless $self->type == cf::PLAYER;
1642		1882
1643	$self->enter_link;	1883	$self->enter_link;
1644		1884
1645	(cf::async {	1885	(async {
1646	$self->deactivate_recursive; # just to be sure	1886	$self->deactivate_recursive; # just to be sure
1647	unless (eval {	1887	unless (eval {
1648	prepare_random_map $exit	1888	prepare_random_map $exit
1649	if $exit->slaying eq "/!";	1889	if $exit->slaying eq "/!";
1650		1890
1651	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1891	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1652	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1892	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1653		1893
1654	1;	1894	1;
1655	}) {	1895	}) {
1656	$self->message ("Something went wrong deep within the crossfire server. "	1896	$self->message ("Something went wrong deep within the crossfire server. "
1657	. "I'll try to bring you back to the map you were before. "	1897	. "I'll try to bring you back to the map you were before. "
1658	. "Please report this to the dungeon master",	1898	. "Please report this to the dungeon master!",
1659	cf::NDI_UNIQUE | cf::NDI_RED);	1899	cf::NDI_UNIQUE | cf::NDI_RED);
1660		1900
1661	warn "ERROR in enter_exit: $@";	1901	warn "ERROR in enter_exit: $@";
1662	$self->leave_link;	1902	$self->leave_link;
1663	}	1903	}
…		…
1731	}	1971	}
1732	}	1972	}
1733	},	1973	},
1734	);	1974	);
1735		1975
1736	=item $client->coro (\&cb)	1976	=item $client->async (\&cb)
1737		1977
1738	Create a new coroutine, running the specified callback. The coroutine will	1978	Create a new coroutine, running the specified callback. The coroutine will
1739	be automatically cancelled when the client gets destroyed (e.g. on logout,	1979	be automatically cancelled when the client gets destroyed (e.g. on logout,
1740	or loss of connection).	1980	or loss of connection).
1741		1981
1742	=cut	1982	=cut
1743		1983
1744	sub cf::client::coro {	1984	sub cf::client::async {
1745	my ($self, $cb) = @_;	1985	my ($self, $cb) = @_;
1746		1986
1747	my $coro = &cf::async ($cb);	1987	my $coro = &Coro::async ($cb);
1748		1988
1749	$coro->on_destroy (sub {	1989	$coro->on_destroy (sub {
1750	delete $self->{_coro}{$coro+0};	1990	delete $self->{_coro}{$coro+0};
1751	});	1991	});
1752		1992
…		…
1946	sub db_sync() {	2186	sub db_sync() {
1947	db_save if $dirty;	2187	db_save if $dirty;
1948	undef $dirty;	2188	undef $dirty;
1949	}	2189	}
1950		2190
1951	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2191	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1952	db_sync;	2192	db_sync;
1953	});	2193	});
1954		2194
1955	sub db_dirty() {	2195	sub db_dirty() {
1956	$dirty = 1;	2196	$dirty = 1;
…		…
1990	local $/;	2230	local $/;
1991	*CFG = YAML::Syck::Load <$fh>;	2231	*CFG = YAML::Syck::Load <$fh>;
1992		2232
1993	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2233	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1994		2234
		2235	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2236	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2237
1995	if (exists $CFG{mlockall}) {	2238	if (exists $CFG{mlockall}) {
1996	eval {	2239	eval {
1997	$CFG{mlockall} ? &mlockall : &munlockall	2240	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1998	and die "WARNING: m(un)lockall failed: $!\n";	2241	and die "WARNING: m(un)lockall failed: $!\n";
1999	};	2242	};
2000	warn $@ if $@;	2243	warn $@ if $@;
2001	}	2244	}
2002	}	2245	}
2003		2246
2004	sub main {	2247	sub main {
2005	# we must not ever block the main coroutine	2248	# we must not ever block the main coroutine
2006	local $Coro::idle = sub {	2249	local $Coro::idle = sub {
2007	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2250	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2008	(Coro::unblock_sub {	2251	(async {
2009	Event::one_event;	2252	Event::one_event;
2010	})->();	2253	})->prio (Coro::PRIO_MAX);
2011	};	2254	};
2012		2255
2013	cfg_load;	2256	cfg_load;
2014	db_load;	2257	db_load;
2015	load_extensions;	2258	load_extensions;
		2259
		2260	$TICK_WATCHER->start;
2016	Event::loop;	2261	Event::loop;
2017	}	2262	}
2018		2263
2019	#############################################################################	2264	#############################################################################
2020	# initialisation	2265	# initialisation and cleanup
		2266
		2267	# install some emergency cleanup handlers
		2268	BEGIN {
		2269	for my $signal (qw(INT HUP TERM)) {
		2270	Event->signal (
		2271	data => WF_AUTOCANCEL,
		2272	signal => $signal,
		2273	cb => sub {
		2274	cf::cleanup "SIG$signal";
		2275	},
		2276	);
		2277	}
		2278	}
		2279
		2280	sub emergency_save() {
		2281	my $freeze_guard = cf::freeze_mainloop;
		2282
		2283	warn "enter emergency perl save\n";
		2284
		2285	cf::sync_job {
		2286	# use a peculiar iteration method to avoid tripping on perl
		2287	# refcount bugs in for. also avoids problems with players
		2288	# and maps saved/destroyed asynchronously.
		2289	warn "begin emergency player save\n";
		2290	for my $login (keys %cf::PLAYER) {
		2291	my $pl = $cf::PLAYER{$login} or next;
		2292	$pl->valid or next;
		2293	$pl->save;
		2294	}
		2295	warn "end emergency player save\n";
		2296
		2297	warn "begin emergency map save\n";
		2298	for my $path (keys %cf::MAP) {
		2299	my $map = $cf::MAP{$path} or next;
		2300	$map->valid or next;
		2301	$map->save;
		2302	}
		2303	warn "end emergency map save\n";
		2304	};
		2305
		2306	warn "leave emergency perl save\n";
		2307	}
2021		2308
2022	sub reload() {	2309	sub reload() {
2023	# can/must only be called in main	2310	# can/must only be called in main
2024	if ($Coro::current != $Coro::main) {	2311	if ($Coro::current != $Coro::main) {
2025	warn "can only reload from main coroutine\n";	2312	warn "can only reload from main coroutine";
2026	return;	2313	return;
2027	}	2314	}
2028		2315
2029	warn "reloading...";	2316	warn "reloading...";
2030		2317
2031	my $guard = freeze_mainloop;	2318	warn "cancelling server ticker";
		2319	$TICK_WATCHER->cancel;
		2320
2032	cf::emergency_save;	2321	cf::emergency_save;
2033		2322
2034	eval {	2323	eval {
2035	# if anything goes wrong in here, we should simply crash as we already saved	2324	# if anything goes wrong in here, we should simply crash as we already saved
2036		2325
2037	# cancel all watchers	2326	warn "syncing database to disk";
		2327	cf::db_sync;
		2328
		2329	warn "cancelling all WF_AUTOCANCEL watchers";
2038	for (Event::all_watchers) {	2330	for (Event::all_watchers) {
2039	$_->cancel if $_->data & WF_AUTOCANCEL;	2331	$_->cancel if $_->data & WF_AUTOCANCEL;
2040	}	2332	}
2041		2333
		2334	warn "flushing outstanding aio requests";
		2335	for (;;) {
		2336	IO::AIO::flush;
		2337	Coro::cede;
		2338	last unless IO::AIO::nreqs;
		2339	warn "iterate...";
		2340	}
		2341
2042	# cancel all extension coros	2342	warn "cancelling all extension coros";
2043	$_->cancel for values %EXT_CORO;	2343	$_->cancel for values %EXT_CORO;
2044	%EXT_CORO = ();	2344	%EXT_CORO = ();
2045		2345
2046	# unload all extensions	2346	warn "removing commands";
2047	for (@exts) {	2347	%COMMAND = ();
		2348
		2349	warn "removing ext commands";
		2350	%EXTCMD = ();
		2351
		2352	warn "unloading/nuking all extensions";
		2353	for my $pkg (@EXTS) {
2048	warn "unloading <$_>";	2354	warn "... unloading $pkg";
2049	unload_extension $_;	2355
		2356	if (my $cb = $pkg->can ("unload")) {
		2357	eval {
		2358	$cb->($pkg);
		2359	1
		2360	} or warn "$pkg unloaded, but with errors: $@";
2050	}	2361	}
2051		2362
		2363	warn "... nuking $pkg";
		2364	Symbol::delete_package $pkg;
		2365	}
		2366
2052	# unload all modules loaded from $LIBDIR	2367	warn "unloading all perl modules loaded from $LIBDIR";
2053	while (my ($k, $v) = each %INC) {	2368	while (my ($k, $v) = each %INC) {
2054	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2369	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2055		2370
2056	warn "removing <$k>";	2371	warn "... unloading $k";
2057	delete $INC{$k};	2372	delete $INC{$k};
2058		2373
2059	$k =~ s/\.pm$//;	2374	$k =~ s/\.pm$//;
2060	$k =~ s/\//::/g;	2375	$k =~ s/\//::/g;
2061		2376
…		…
2064	}	2379	}
2065		2380
2066	Symbol::delete_package $k;	2381	Symbol::delete_package $k;
2067	}	2382	}
2068		2383
2069	# sync database to disk
2070	cf::db_sync;
2071	IO::AIO::flush;
2072
2073	# get rid of safe::, as good as possible	2384	warn "getting rid of safe::, as good as possible";
2074	Symbol::delete_package "safe::$_"	2385	Symbol::delete_package "safe::$_"
2075	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2386	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2076		2387
2077	# remove register_script_function callbacks
2078	# TODO
2079
2080	# unload cf.pm "a bit"	2388	warn "unloading cf.pm \"a bit\"";
2081	delete $INC{"cf.pm"};	2389	delete $INC{"cf.pm"};
2082		2390
2083	# don't, removes xs symbols, too,	2391	# don't, removes xs symbols, too,
2084	# and global variables created in xs	2392	# and global variables created in xs
2085	#Symbol::delete_package __PACKAGE__;	2393	#Symbol::delete_package __PACKAGE__;
2086		2394
2087	# reload cf.pm	2395	warn "unload completed, starting to reload now";
		2396
2088	warn "reloading cf.pm";	2397	warn "reloading cf.pm";
2089	require cf;	2398	require cf;
2090	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2399	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2091		2400
2092	# load config and database again	2401	warn "loading config and database again";
2093	cf::cfg_load;	2402	cf::cfg_load;
2094	cf::db_load;	2403	cf::db_load;
2095		2404
2096	# load extensions
2097	warn "load extensions";	2405	warn "loading extensions";
2098	cf::load_extensions;	2406	cf::load_extensions;
2099		2407
2100	# reattach attachments to objects	2408	warn "reattaching attachments to objects/players";
2101	warn "reattach";
2102	_global_reattach;	2409	_global_reattach;
		2410	warn "reattaching attachments to maps";
		2411	reattach $_ for values %MAP;
		2412
		2413	warn "restarting server ticker";
		2414
		2415	$TICK_WATCHER->start;
2103	};	2416	};
2104		2417
2105	if ($@) {	2418	if ($@) {
2106	warn $@;	2419	warn $@;
2107	warn "error while reloading, exiting.";	2420	warn "error while reloading, exiting.";
2108	exit 1;	2421	exit 1;
2109	}	2422	}
2110		2423
2111	warn "reloaded successfully";	2424	warn "reloaded";
2112	};	2425	};
2113		2426
2114	#############################################################################	2427	our $RELOAD_WATCHER; # used only during reload
2115
2116	unless ($LINK_MAP) {
2117	$LINK_MAP = cf::map::new;
2118
2119	$LINK_MAP->width (41);
2120	$LINK_MAP->height (41);
2121	$LINK_MAP->alloc;
2122	$LINK_MAP->path ("{link}");
2123	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2124	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2125
2126	# dirty hack because... archetypes are not yet loaded
2127	Event->timer (
2128	after => 2,
2129	cb => sub {
2130	$_[0]->w->cancel;
2131
2132	# provide some exits "home"
2133	my $exit = cf::object::new "exit";
2134
2135	$exit->slaying ($EMERGENCY_POSITION->[0]);
2136	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2137	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2138
2139	$LINK_MAP->insert ($exit->clone, 19, 19);
2140	$LINK_MAP->insert ($exit->clone, 19, 20);
2141	$LINK_MAP->insert ($exit->clone, 19, 21);
2142	$LINK_MAP->insert ($exit->clone, 20, 19);
2143	$LINK_MAP->insert ($exit->clone, 20, 21);
2144	$LINK_MAP->insert ($exit->clone, 21, 19);
2145	$LINK_MAP->insert ($exit->clone, 21, 20);
2146	$LINK_MAP->insert ($exit->clone, 21, 21);
2147
2148	$exit->destroy;
2149	});
2150
2151	$LINK_MAP->{deny_save} = 1;
2152	$LINK_MAP->{deny_reset} = 1;
2153
2154	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2155	}
2156
2157	register "<global>", __PACKAGE__;
2158		2428
2159	register_command "reload" => sub {	2429	register_command "reload" => sub {
2160	my ($who, $arg) = @_;	2430	my ($who, $arg) = @_;
2161		2431
2162	if ($who->flag (FLAG_WIZ)) {	2432	if ($who->flag (FLAG_WIZ)) {
2163	$who->message ("start of reload.");	2433	$who->message ("reloading server.");
		2434
		2435	# doing reload synchronously and two reloads happen back-to-back,
		2436	# coro crashes during coro_state_free->destroy here.
		2437
		2438	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2164	reload;	2439	reload;
2165	$who->message ("end of reload.");	2440	undef $RELOAD_WATCHER;
		2441	});
2166	}	2442	}
2167	};	2443	};
2168		2444
2169	unshift @INC, $LIBDIR;	2445	unshift @INC, $LIBDIR;
		2446
		2447	my $bug_warning = 0;
2170		2448
2171	$TICK_WATCHER = Event->timer (	2449	$TICK_WATCHER = Event->timer (
2172	reentrant => 0,	2450	reentrant => 0,
		2451	parked => 1,
2173	prio => 0,	2452	prio => 0,
2174	at => $NEXT_TICK || $TICK,	2453	at => $NEXT_TICK || $TICK,
2175	data => WF_AUTOCANCEL,	2454	data => WF_AUTOCANCEL,
2176	cb => sub {	2455	cb => sub {
		2456	if ($Coro::current != $Coro::main) {
		2457	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2458	unless ++$bug_warning > 10;
		2459	return;
		2460	}
		2461
		2462	$NOW = Event::time;
		2463
2177	cf::server_tick; # one server iteration	2464	cf::server_tick; # one server iteration
2178	$RUNTIME += $TICK;	2465	$RUNTIME += $TICK;
2179	$NEXT_TICK += $TICK;	2466	$NEXT_TICK += $TICK;
		2467
		2468	$WAIT_FOR_TICK->broadcast;
		2469	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2180		2470
2181	# if we are delayed by four ticks or more, skip them all	2471	# if we are delayed by four ticks or more, skip them all
2182	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2472	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2183		2473
2184	$TICK_WATCHER->at ($NEXT_TICK);	2474	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2186	},	2476	},
2187	);	2477	);
2188		2478
2189	IO::AIO::max_poll_time $TICK * 0.2;	2479	IO::AIO::max_poll_time $TICK * 0.2;
2190		2480
2191	Event->io (	2481	$AIO_POLL_WATCHER = Event->io (
2192	fd => IO::AIO::poll_fileno,	2482	fd => IO::AIO::poll_fileno,
2193	poll => 'r',	2483	poll => 'r',
2194	prio => 5,	2484	prio => 5,
2195	data => WF_AUTOCANCEL,	2485	data => WF_AUTOCANCEL,
2196	cb => \&IO::AIO::poll_cb,	2486	cb => \&IO::AIO::poll_cb,
2197	);	2487	);
2198		2488
2199	Event->timer (	2489	$WRITE_RUNTIME_WATCHER = Event->timer (
2200	data => WF_AUTOCANCEL,	2490	data => WF_AUTOCANCEL,
2201	after => 0,	2491	after => 1,
2202	interval => 10,	2492	interval => 10,
2203	cb => sub {	2493	prio => 6, # keep it lowest so it acts like a watchdog
2204	(Coro::unblock_sub {	2494	cb => Coro::unblock_sub {
2205	write_runtime	2495	write_runtime
2206	or warn "ERROR: unable to write runtime file: $!";	2496	or warn "ERROR: unable to write runtime file: $!";
2207	})->();
2208	},	2497	},
2209	);	2498	);
2210		2499
2211	END { cf::emergency_save }	2500	END { cf::emergency_save }
2212		2501

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