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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.137 by root, Fri Jan 5 10:23:05 2007 UTC vs.
Revision 1.189 by root, Sun Jan 21 21:28:27 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_header_orig {
		1303	my ($self) = @_;
		1304
		1305	$self->load_header_from ($self->load_path)
		1306	}
		1307
		1308	sub load_header_temp {
		1309	my ($self) = @_;
		1310
		1311	$self->load_header_from ($self->save_path)
		1312	}
		1313
		1314	sub prepare_temp {
		1315	my ($self) = @_;
		1316
		1317	$self->last_access ((delete $self->{last_access})
		1318	|| $cf::RUNTIME); #d#
		1319	# safety
		1320	$self->{instantiate_time} = $cf::RUNTIME
		1321	if $self->{instantiate_time} > $cf::RUNTIME;
		1322	}
		1323
		1324	sub prepare_orig {
		1325	my ($self) = @_;
		1326
		1327	$self->{load_original} = 1;
		1328	$self->{instantiate_time} = $cf::RUNTIME;
		1329	$self->last_access ($cf::RUNTIME);
		1330	$self->instantiate;
		1331	}
		1332
		1333	sub load_header {
		1334	my ($self) = @_;
		1335
		1336	if ($self->load_header_temp) {
		1337	$self->prepare_temp;
		1338	} else {
		1339	$self->load_header_orig
1171	or return;	1340	or return;
		1341	$self->prepare_orig;
		1342	}
1172		1343
1173	$map->{load_path} = $path;	1344	1
1174
1175	$map
1176	}	1345	}
1177		1346
1178	sub find;	1347	sub find;
1179	sub find {	1348	sub find {
1180	my ($path, $origin) = @_;	1349	my ($path, $origin) = @_;
1181		1350
1182	#warn "find<$path,$origin>\n";#d#
1183
1184	$path = new cf::path $path, $origin && $origin->path;	1351	$path = normalise $path, $origin && $origin->path;
1185	my $key = $path->as_string;
1186		1352
1187	cf::lock_wait "map_find:$key";	1353	cf::lock_wait "map_find:$path";
1188		1354
1189	$cf::MAP{$key} || do {	1355	$cf::MAP{$path} || do {
1190	my $guard = cf::lock_acquire "map_find:$key";	1356	my $guard = cf::lock_acquire "map_find:$path";
1191		1357	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;	1358	or return;
1211		1359
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;	1360	$map->{last_save} = $cf::RUNTIME;
1224		1361
1225	Coro::cede;	1362	$map->load_header
		1363	or return;
1226		1364
1227	if ($map->should_reset) {	1365	if ($map->should_reset) {
		1366	# doing this can freeze the server in a sync job, obviously
		1367	#$cf::WAIT_FOR_TICK->wait;
1228	$map->reset;	1368	$map->reset;
1229	undef $guard;	1369	undef $guard;
1230	$map = find $path	1370	$map = find $path
1231	or return;	1371	or return;
1232	}	1372	}
1233		1373
1234	$cf::MAP{$key} = $map	1374	$cf::MAP{$path} = $map
1235	}	1375	}
1236	}	1376	}
		1377
		1378	sub pre_load { }
		1379	sub post_load { }
1237		1380
1238	sub load {	1381	sub load {
1239	my ($self) = @_;	1382	my ($self) = @_;
1240		1383
1241	my $path = $self->{path};	1384	my $path = $self->{path};
1242	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1385	my $guard = cf::lock_acquire "map_load:$path";
1243		1386
1244	return if $self->in_memory != cf::MAP_SWAPPED;	1387	return if $self->in_memory != cf::MAP_SWAPPED;
1245		1388
1246	$self->in_memory (cf::MAP_LOADING);	1389	$self->in_memory (cf::MAP_LOADING);
1247		1390
1248	$self->alloc;	1391	$self->alloc;
		1392
		1393	$self->pre_load;
		1394
1249	$self->load_objects ($self->{load_path}, 1)	1395	$self->_load_objects ($self->{load_path}, 1)
1250	or return;	1396	or return;
1251		1397
1252	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1398	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1253	if delete $self->{load_original};	1399	if delete $self->{load_original};
1254		1400
1255	if (my $uniq = $path->uniq_path) {	1401	if (my $uniq = $self->uniq_path) {
1256	utf8::encode $uniq;	1402	utf8::encode $uniq;
1257	if (aio_open $uniq, O_RDONLY, 0) {	1403	if (aio_open $uniq, O_RDONLY, 0) {
1258	$self->clear_unique_items;	1404	$self->clear_unique_items;
1259	$self->load_objects ($uniq, 0);	1405	$self->_load_objects ($uniq, 0);
1260	}	1406	}
1261	}	1407	}
1262		1408
1263	Coro::cede;	1409	Coro::cede;
1264		1410
1265	# now do the right thing for maps	1411	# now do the right thing for maps
1266	$self->link_multipart_objects;	1412	$self->link_multipart_objects;
1267		1413
1268	if ($self->{path}->is_style_map) {	1414	unless ($self->{deny_activate}) {
1269	$self->{deny_save} = 1;	1415	$self->decay_objects;
1270	$self->{deny_reset} = 1;
1271	} else {
1272	$self->fix_auto_apply;	1416	$self->fix_auto_apply;
1273	$self->decay_objects;
1274	$self->update_buttons;	1417	$self->update_buttons;
		1418	Coro::cede;
1275	$self->set_darkness_map;	1419	$self->set_darkness_map;
1276	$self->difficulty ($self->estimate_difficulty)	1420	$self->difficulty ($self->estimate_difficulty)
1277	unless $self->difficulty;	1421	unless $self->difficulty;
		1422	Coro::cede;
1278	$self->activate;	1423	$self->activate;
1279	}	1424	}
1280		1425
1281	Coro::cede;	1426	$self->post_load;
1282		1427
1283	$self->in_memory (cf::MAP_IN_MEMORY);	1428	$self->in_memory (cf::MAP_IN_MEMORY);
		1429	}
		1430
		1431	sub customise_for {
		1432	my ($self, $ob) = @_;
		1433
		1434	return find "~" . $ob->name . "/" . $self->{path}
		1435	if $self->per_player;
		1436
		1437	$self
		1438	}
		1439
		1440	# find and load all maps in the 3x3 area around a map
		1441	sub load_diag {
		1442	my ($map) = @_;
		1443
		1444	my @diag; # diagonal neighbours
		1445
		1446	for (0 .. 3) {
		1447	my $neigh = $map->tile_path ($_)
		1448	or next;
		1449	$neigh = find $neigh, $map
		1450	or next;
		1451	$neigh->load;
		1452
		1453	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1454	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1455	}
		1456
		1457	for (@diag) {
		1458	my $neigh = find @$_
		1459	or next;
		1460	$neigh->load;
		1461	}
1284	}	1462	}
1285		1463
1286	sub find_sync {	1464	sub find_sync {
1287	my ($path, $origin) = @_;	1465	my ($path, $origin) = @_;
1288		1466
1289	cf::sync_job { cf::map::find $path, $origin }	1467	cf::sync_job { find $path, $origin }
1290	}	1468	}
1291		1469
1292	sub do_load_sync {	1470	sub do_load_sync {
1293	my ($map) = @_;	1471	my ($map) = @_;
1294		1472
1295	cf::sync_job { $map->load };	1473	cf::sync_job { $map->load };
1296	}	1474	}
1297		1475
		1476	our %MAP_PREFETCH;
		1477	our $MAP_PREFETCHER = undef;
		1478
		1479	sub find_async {
		1480	my ($path, $origin) = @_;
		1481
		1482	$path = normalise $path, $origin && $origin->{path};
		1483
		1484	if (my $map = $cf::MAP{$path}) {
		1485	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1486	}
		1487
		1488	undef $MAP_PREFETCH{$path};
		1489	$MAP_PREFETCHER ||= cf::async {
		1490	while (%MAP_PREFETCH) {
		1491	for my $path (keys %MAP_PREFETCH) {
		1492	my $map = find $path
		1493	or next;
		1494	$map->load;
		1495
		1496	delete $MAP_PREFETCH{$path};
		1497	}
		1498	}
		1499	undef $MAP_PREFETCHER;
		1500	};
		1501	$MAP_PREFETCHER->prio (6);
		1502
		1503	()
		1504	}
		1505
1298	sub save {	1506	sub save {
1299	my ($self) = @_;	1507	my ($self) = @_;
1300		1508
1301	my $lock = cf::lock_acquire "map_data:" . $self->path;	1509	my $lock = cf::lock_acquire "map_data:" . $self->path;
1302		1510
1303	$self->{last_save} = $cf::RUNTIME;	1511	$self->{last_save} = $cf::RUNTIME;
1304		1512
1305	return unless $self->dirty;	1513	return unless $self->dirty;
1306		1514
1307	my $save = $self->{path}->save_path; utf8::encode $save;	1515	my $save = $self->save_path; utf8::encode $save;
1308	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1516	my $uniq = $self->uniq_path; utf8::encode $uniq;
1309		1517
1310	$self->{load_path} = $save;	1518	$self->{load_path} = $save;
1311		1519
1312	return if $self->{deny_save};	1520	return if $self->{deny_save};
1313		1521
1314	local $self->{last_access} = $self->last_access;#d#	1522	local $self->{last_access} = $self->last_access;#d#
1315		1523
		1524	cf::async {
		1525	$_->contr->save for $self->players;
		1526	};
		1527
1316	if ($uniq) {	1528	if ($uniq) {
1317	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1529	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318	$self->save_objects ($uniq, cf::IO_UNIQUES);	1530	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1319	} else {	1531	} else {
1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1532	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1321	}	1533	}
1322	}	1534	}
1323		1535
1324	sub swap_out {	1536	sub swap_out {
1325	my ($self) = @_;	1537	my ($self) = @_;
…		…
1339		1551
1340	sub reset_at {	1552	sub reset_at {
1341	my ($self) = @_;	1553	my ($self) = @_;
1342		1554
1343	# TODO: safety, remove and allow resettable per-player maps	1555	# TODO: safety, remove and allow resettable per-player maps
1344	return 1e99 if $self->{path}{user_rel};	1556	return 1e99 if $self->isa ("ext::map_per_player");#d#
1345	return 1e99 if $self->{deny_reset};	1557	return 1e99 if $self->{deny_reset};
1346		1558
1347	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1559	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1348	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1560	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1349		1561
…		…
1354	my ($self) = @_;	1566	my ($self) = @_;
1355		1567
1356	$self->reset_at <= $cf::RUNTIME	1568	$self->reset_at <= $cf::RUNTIME
1357	}	1569	}
1358		1570
1359	sub unlink_save {
1360	my ($self) = @_;
1361
1362	utf8::encode (my $save = $self->{path}->save_path);
1363	aioreq_pri 3; IO::AIO::aio_unlink $save;
1364	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1365	}
1366
1367	sub rename {
1368	my ($self, $new_path) = @_;
1369
1370	$self->unlink_save;
1371
1372	delete $cf::MAP{$self->path};
1373	$self->{path} = new cf::path $new_path;
1374	$self->path ($self->{path}->as_string);
1375	$cf::MAP{$self->path} = $self;
1376
1377	$self->save;
1378	}
1379
1380	sub reset {	1571	sub reset {
1381	my ($self) = @_;	1572	my ($self) = @_;
1382		1573
1383	my $lock = cf::lock_acquire "map_data:" . $self->path;	1574	my $lock = cf::lock_acquire "map_data:$self->{path}";
1384		1575
1385	return if $self->players;	1576	return if $self->players;
1386	return if $self->{path}{user_rel};#d#	1577	return if $self->isa ("ext::map_per_player");#d#
1387		1578
1388	warn "resetting map ", $self->path;#d#	1579	warn "resetting map ", $self->path;#d#
1389		1580
1390	delete $cf::MAP{$self->path};	1581	delete $cf::MAP{$self->path};
		1582
		1583	$self->in_memory (cf::MAP_SWAPPED);
		1584	$self->clear;
1391		1585
1392	$_->clear_links_to ($self) for values %cf::MAP;	1586	$_->clear_links_to ($self) for values %cf::MAP;
1393		1587
1394	$self->unlink_save;	1588	$self->unlink_save;
1395	$self->destroy;	1589	$self->destroy;
…		…
1398	my $nuke_counter = "aaaa";	1592	my $nuke_counter = "aaaa";
1399		1593
1400	sub nuke {	1594	sub nuke {
1401	my ($self) = @_;	1595	my ($self) = @_;
1402		1596
		1597	delete $cf::MAP{$self->path};
		1598
		1599	$self->unlink_save;
		1600
		1601	bless $self, "cf::map";
		1602	delete $self->{deny_reset};
1403	$self->{deny_save} = 1;	1603	$self->{deny_save} = 1;
1404	$self->reset_timeout (1);	1604	$self->reset_timeout (1);
1405	$self->rename ("{nuke}/" . ($nuke_counter++));	1605	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1606
		1607	$cf::MAP{$self->path} = $self;
		1608
1406	$self->reset; # polite request, might not happen	1609	$self->reset; # polite request, might not happen
1407	}	1610	}
1408		1611
1409	sub customise_for {	1612	=item cf::map::unique_maps
1410	my ($map, $ob) = @_;
1411		1613
1412	if ($map->per_player) {	1614	Returns an arrayref of paths of all shared maps that have
1413	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1615	instantiated unique items. May block.
1414	}
1415		1616
1416	$map	1617	=cut
1417	}
1418		1618
1419	sub emergency_save {	1619	sub unique_maps() {
1420	my $freeze_guard = cf::freeze_mainloop;	1620	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1621	or return;
1421		1622
1422	warn "enter emergency map save\n";	1623	my @paths;
1423		1624
1424	cf::sync_job {	1625	for (@$files) {
1425	warn "begin emergency map save\n";	1626	utf8::decode $_;
1426	$_->save for values %cf::MAP;	1627	next if /\.pst$/;
		1628	next unless /^$PATH_SEP/o;
		1629
		1630	s/\.map$//;
		1631	push @paths, $_;
1427	};	1632	}
1428		1633
1429	warn "end emergency map save\n";	1634	\@paths
1430	}	1635	}
1431		1636
1432	package cf;	1637	package cf;
1433		1638
1434	=back	1639	=back
1435		1640
		1641	=head3 cf::object
		1642
		1643	=cut
		1644
		1645	package cf::object;
		1646
		1647	=over 4
		1648
		1649	=item $ob->inv_recursive
		1650
		1651	Returns the inventory of the object _and_ their inventories, recursively.
		1652
		1653	=cut
		1654
		1655	sub inv_recursive_;
		1656	sub inv_recursive_ {
		1657	map { $_, inv_recursive_ $_->inv } @_
		1658	}
		1659
		1660	sub inv_recursive {
		1661	inv_recursive_ inv $_[0]
		1662	}
		1663
		1664	package cf;
		1665
		1666	=back
1436		1667
1437	=head3 cf::object::player	1668	=head3 cf::object::player
1438		1669
1439	=over 4	1670	=over 4
1440		1671
…		…
1480		1711
1481	=item $player_object->enter_link	1712	=item $player_object->enter_link
1482		1713
1483	Freezes the player and moves him/her to a special map (C<{link}>).	1714	Freezes the player and moves him/her to a special map (C<{link}>).
1484		1715
1485	The player should be reaosnably safe there for short amounts of time. You	1716	The player should be reasonably safe there for short amounts of time. You
1486	I<MUST> call C<leave_link> as soon as possible, though.	1717	I<MUST> call C<leave_link> as soon as possible, though.
1487		1718
		1719	Will never block.
		1720
1488	=item $player_object->leave_link ($map, $x, $y)	1721	=item $player_object->leave_link ($map, $x, $y)
1489		1722
1490	Moves the player out of the specila link map onto the given map. If the	1723	Moves the player out of the special C<{link}> map onto the specified
1491	map is not valid (or omitted), the player will be moved back to the	1724	map. If the map is not valid (or omitted), the player will be moved back
1492	location he/she was before the call to C<enter_link>, or, if that fails,	1725	to the location he/she was before the call to C<enter_link>, or, if that
1493	to the emergency map position.	1726	fails, to the emergency map position.
1494		1727
1495	Might block.	1728	Might block.
1496		1729
1497	=cut	1730	=cut
		1731
		1732	sub link_map {
		1733	unless ($LINK_MAP) {
		1734	$LINK_MAP = cf::map::find "{link}"
		1735	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
		1736	$LINK_MAP->load;
		1737	}
		1738
		1739	$LINK_MAP
		1740	}
1498		1741
1499	sub cf::object::player::enter_link {	1742	sub cf::object::player::enter_link {
1500	my ($self) = @_;	1743	my ($self) = @_;
1501		1744
1502	$self->deactivate_recursive;	1745	$self->deactivate_recursive;
1503		1746
1504	return if $self->map == $LINK_MAP;	1747	return if UNIVERSAL::isa $self->map, "ext::map_link";
1505		1748
1506	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1749	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1507	if $self->map;	1750	if $self->map;
1508		1751
1509	$self->enter_map ($LINK_MAP, 20, 20);	1752	$self->enter_map ($LINK_MAP || link_map, 20, 20);
1510	}	1753	}
1511		1754
1512	sub cf::object::player::leave_link {	1755	sub cf::object::player::leave_link {
1513	my ($self, $map, $x, $y) = @_;	1756	my ($self, $map, $x, $y) = @_;
1514		1757
…		…
1532	# use -1 or undef as default coordinates, not 0, 0	1775	# use -1 or undef as default coordinates, not 0, 0
1533	($x, $y) = ($map->enter_x, $map->enter_y)	1776	($x, $y) = ($map->enter_x, $map->enter_y)
1534	if $x <=0 && $y <= 0;	1777	if $x <=0 && $y <= 0;
1535		1778
1536	$map->load;	1779	$map->load;
		1780	$map->load_diag;
1537		1781
		1782	return unless $self->contr->active;
1538	$self->activate_recursive;	1783	$self->activate_recursive;
1539	$self->enter_map ($map, $x, $y);	1784	$self->enter_map ($map, $x, $y);
1540	}	1785	}
1541		1786
1542	cf::player->attach (	1787	cf::player->attach (
…		…
1555		1800
1556	# try to abort aborted map switching on player login :)	1801	# try to abort aborted map switching on player login :)
1557	# should happen only on crashes	1802	# should happen only on crashes
1558	if ($pl->ob->{_link_pos}) {	1803	if ($pl->ob->{_link_pos}) {
1559	$pl->ob->enter_link;	1804	$pl->ob->enter_link;
1560	cf::async {	1805	(async {
1561	# we need this sleep as the login has a concurrent enter_exit running	1806	# we need this sleep as the login has a concurrent enter_exit running
1562	# and this sleep increases chances of the player not ending up in scorn	1807	# and this sleep increases chances of the player not ending up in scorn
		1808	$pl->ob->reply (undef,
		1809	"There was an internal problem at your last logout, "
		1810	. "the server will try to bring you to your intended destination in a second.",
		1811	cf::NDI_RED);
1563	Coro::Timer::sleep 1;	1812	Coro::Timer::sleep 1;
1564	$pl->ob->leave_link;	1813	$pl->ob->leave_link;
1565	};	1814	})->prio (2);
1566	}	1815	}
1567	},	1816	},
1568	);	1817	);
1569		1818
1570	=item $player_object->goto ($path, $x, $y)	1819	=item $player_object->goto ($path, $x, $y)
…		…
1574	sub cf::object::player::goto {	1823	sub cf::object::player::goto {
1575	my ($self, $path, $x, $y) = @_;	1824	my ($self, $path, $x, $y) = @_;
1576		1825
1577	$self->enter_link;	1826	$self->enter_link;
1578		1827
1579	(cf::async {	1828	(async {
1580	$path = new cf::path $path;
1581
1582	my $map = cf::map::find $path->as_string;	1829	my $map = cf::map::find $path;
1583	$map = $map->customise_for ($self) if $map;	1830	$map = $map->customise_for ($self) if $map;
1584		1831
1585	# warn "entering ", $map->path, " at ($x, $y)\n"	1832	# warn "entering ", $map->path, " at ($x, $y)\n"
1586	# if $map;	1833	# if $map;
1587		1834
1588	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1835	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1589		1836
1590	$self->leave_link ($map, $x, $y);	1837	$self->leave_link ($map, $x, $y);
1591	})->prio (1);	1838	})->prio (1);
1592	}	1839	}
1593		1840
…		…
1597		1844
1598	sub parse_random_map_params {	1845	sub parse_random_map_params {
1599	my ($spec) = @_;	1846	my ($spec) = @_;
1600		1847
1601	my $rmp = { # defaults	1848	my $rmp = { # defaults
1602	xsize => 10,	1849	xsize => (cf::rndm 15, 40),
1603	ysize => 10,	1850	ysize => (cf::rndm 15, 40),
		1851	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1852	#layout => string,
1604	};	1853	};
1605		1854
1606	for (split /\n/, $spec) {	1855	for (split /\n/, $spec) {
1607	my ($k, $v) = split /\s+/, $_, 2;	1856	my ($k, $v) = split /\s+/, $_, 2;
1608		1857
…		…
1612	$rmp	1861	$rmp
1613	}	1862	}
1614		1863
1615	sub prepare_random_map {	1864	sub prepare_random_map {
1616	my ($exit) = @_;	1865	my ($exit) = @_;
		1866
		1867	my $guard = cf::lock_acquire "exit_prepare:$exit";
1617		1868
1618	# all this does is basically replace the /! path by	1869	# all this does is basically replace the /! path by
1619	# a new random map path (?random/...) with a seed	1870	# a new random map path (?random/...) with a seed
1620	# that depends on the exit object	1871	# that depends on the exit object
1621		1872
…		…
1630		1881
1631	$rmp->{random_seed} ||= $exit->random_seed;	1882	$rmp->{random_seed} ||= $exit->random_seed;
1632		1883
1633	my $data = cf::to_json $rmp;	1884	my $data = cf::to_json $rmp;
1634	my $md5 = Digest::MD5::md5_hex $data;	1885	my $md5 = Digest::MD5::md5_hex $data;
		1886	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1635		1887
1636	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1888	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1637	aio_write $fh, 0, (length $data), $data, 0;	1889	aio_write $fh, 0, (length $data), $data, 0;
		1890	undef $fh;
		1891	aio_rename "$meta~", $meta;
1638		1892
1639	$exit->slaying ("?random/$md5");	1893	$exit->slaying ("?random/$md5");
1640	$exit->msg (undef);	1894	$exit->msg (undef);
1641	}	1895	}
1642	}	1896	}
…		…
1646		1900
1647	return unless $self->type == cf::PLAYER;	1901	return unless $self->type == cf::PLAYER;
1648		1902
1649	$self->enter_link;	1903	$self->enter_link;
1650		1904
1651	(cf::async {	1905	(async {
1652	$self->deactivate_recursive; # just to be sure	1906	$self->deactivate_recursive; # just to be sure
1653	unless (eval {	1907	unless (eval {
1654	prepare_random_map $exit	1908	prepare_random_map $exit
1655	if $exit->slaying eq "/!";	1909	if $exit->slaying eq "/!";
1656		1910
1657	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1911	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1658	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	1912	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1659		1913
1660	1;	1914	1;
1661	}) {	1915	}) {
1662	$self->message ("Something went wrong deep within the crossfire server. "	1916	$self->message ("Something went wrong deep within the crossfire server. "
1663	. "I'll try to bring you back to the map you were before. "	1917	. "I'll try to bring you back to the map you were before. "
1664	. "Please report this to the dungeon master",	1918	. "Please report this to the dungeon master!",
1665	cf::NDI_UNIQUE | cf::NDI_RED);	1919	cf::NDI_UNIQUE | cf::NDI_RED);
1666		1920
1667	warn "ERROR in enter_exit: $@";	1921	warn "ERROR in enter_exit: $@";
1668	$self->leave_link;	1922	$self->leave_link;
1669	}	1923	}
…		…
1737	}	1991	}
1738	}	1992	}
1739	},	1993	},
1740	);	1994	);
1741		1995
1742	=item $client->coro (\&cb)	1996	=item $client->async (\&cb)
1743		1997
1744	Create a new coroutine, running the specified callback. The coroutine will	1998	Create a new coroutine, running the specified callback. The coroutine will
1745	be automatically cancelled when the client gets destroyed (e.g. on logout,	1999	be automatically cancelled when the client gets destroyed (e.g. on logout,
1746	or loss of connection).	2000	or loss of connection).
1747		2001
1748	=cut	2002	=cut
1749		2003
1750	sub cf::client::coro {	2004	sub cf::client::async {
1751	my ($self, $cb) = @_;	2005	my ($self, $cb) = @_;
1752		2006
1753	my $coro = &cf::async ($cb);	2007	my $coro = &Coro::async ($cb);
1754		2008
1755	$coro->on_destroy (sub {	2009	$coro->on_destroy (sub {
1756	delete $self->{_coro}{$coro+0};	2010	delete $self->{_coro}{$coro+0};
1757	});	2011	});
1758		2012
…		…
1952	sub db_sync() {	2206	sub db_sync() {
1953	db_save if $dirty;	2207	db_save if $dirty;
1954	undef $dirty;	2208	undef $dirty;
1955	}	2209	}
1956		2210
1957	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2211	my $idle = Event->idle (
1958	db_sync;	2212	reentrant => 0,
		2213	min => 10,
		2214	max => 20,
		2215	repeat => 0,
		2216	data => WF_AUTOCANCEL,
		2217	cb => \&db_sync,
1959	});	2218	);
1960		2219
1961	sub db_dirty() {	2220	sub db_dirty() {
1962	$dirty = 1;	2221	$dirty = 1;
1963	$idle->start;	2222	$idle->start;
1964	}	2223	}
…		…
1996	local $/;	2255	local $/;
1997	*CFG = YAML::Syck::Load <$fh>;	2256	*CFG = YAML::Syck::Load <$fh>;
1998		2257
1999	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2258	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2000		2259
		2260	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2261	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2262
2001	if (exists $CFG{mlockall}) {	2263	if (exists $CFG{mlockall}) {
2002	eval {	2264	eval {
2003	$CFG{mlockall} ? &mlockall : &munlockall	2265	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2004	and die "WARNING: m(un)lockall failed: $!\n";	2266	and die "WARNING: m(un)lockall failed: $!\n";
2005	};	2267	};
2006	warn $@ if $@;	2268	warn $@ if $@;
2007	}	2269	}
2008	}	2270	}
2009		2271
2010	sub main {	2272	sub main {
2011	# we must not ever block the main coroutine	2273	# we must not ever block the main coroutine
2012	local $Coro::idle = sub {	2274	local $Coro::idle = sub {
2013	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2275	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2014	(Coro::unblock_sub {	2276	(async {
2015	Event::one_event;	2277	Event::one_event;
2016	})->();	2278	})->prio (Coro::PRIO_MAX);
2017	};	2279	};
2018		2280
2019	cfg_load;	2281	cfg_load;
2020	db_load;	2282	db_load;
2021	load_extensions;	2283	load_extensions;
		2284
		2285	$TICK_WATCHER->start;
2022	Event::loop;	2286	Event::loop;
2023	}	2287	}
2024		2288
2025	#############################################################################	2289	#############################################################################
2026	# initialisation	2290	# initialisation and cleanup
		2291
		2292	# install some emergency cleanup handlers
		2293	BEGIN {
		2294	for my $signal (qw(INT HUP TERM)) {
		2295	Event->signal (
		2296	reentrant => 0,
		2297	data => WF_AUTOCANCEL,
		2298	signal => $signal,
		2299	cb => sub {
		2300	cf::cleanup "SIG$signal";
		2301	},
		2302	);
		2303	}
		2304	}
		2305
		2306	sub emergency_save() {
		2307	my $freeze_guard = cf::freeze_mainloop;
		2308
		2309	warn "enter emergency perl save\n";
		2310
		2311	cf::sync_job {
		2312	# use a peculiar iteration method to avoid tripping on perl
		2313	# refcount bugs in for. also avoids problems with players
		2314	# and maps saved/destroyed asynchronously.
		2315	warn "begin emergency player save\n";
		2316	for my $login (keys %cf::PLAYER) {
		2317	my $pl = $cf::PLAYER{$login} or next;
		2318	$pl->valid or next;
		2319	$pl->save;
		2320	}
		2321	warn "end emergency player save\n";
		2322
		2323	warn "begin emergency map save\n";
		2324	for my $path (keys %cf::MAP) {
		2325	my $map = $cf::MAP{$path} or next;
		2326	$map->valid or next;
		2327	$map->save;
		2328	}
		2329	warn "end emergency map save\n";
		2330	};
		2331
		2332	warn "leave emergency perl save\n";
		2333	}
2027		2334
2028	sub reload() {	2335	sub reload() {
2029	# can/must only be called in main	2336	# can/must only be called in main
2030	if ($Coro::current != $Coro::main) {	2337	if ($Coro::current != $Coro::main) {
2031	warn "can only reload from main coroutine\n";	2338	warn "can only reload from main coroutine";
2032	return;	2339	return;
2033	}	2340	}
2034		2341
2035	warn "reloading...";	2342	warn "reloading...";
2036		2343
2037	my $guard = freeze_mainloop;	2344	warn "cancelling server ticker";
		2345	$TICK_WATCHER->cancel;
		2346
2038	cf::emergency_save;	2347	cf::emergency_save;
2039		2348
2040	eval {	2349	eval {
2041	# if anything goes wrong in here, we should simply crash as we already saved	2350	# if anything goes wrong in here, we should simply crash as we already saved
2042		2351
2043	# cancel all watchers	2352	warn "syncing database to disk";
		2353	cf::db_sync;
		2354
		2355	warn "cancelling all WF_AUTOCANCEL watchers";
2044	for (Event::all_watchers) {	2356	for (Event::all_watchers) {
2045	$_->cancel if $_->data & WF_AUTOCANCEL;	2357	$_->cancel if $_->data & WF_AUTOCANCEL;
2046	}	2358	}
2047		2359
		2360	warn "flushing outstanding aio requests";
		2361	for (;;) {
		2362	IO::AIO::flush;
		2363	Coro::cede;
		2364	last unless IO::AIO::nreqs;
		2365	warn "iterate...";
		2366	}
		2367
2048	# cancel all extension coros	2368	warn "cancelling all extension coros";
2049	$_->cancel for values %EXT_CORO;	2369	$_->cancel for values %EXT_CORO;
2050	%EXT_CORO = ();	2370	%EXT_CORO = ();
2051		2371
2052	# unload all extensions	2372	warn "removing commands";
2053	for (@exts) {	2373	%COMMAND = ();
		2374
		2375	warn "removing ext commands";
		2376	%EXTCMD = ();
		2377
		2378	warn "unloading/nuking all extensions";
		2379	for my $pkg (@EXTS) {
2054	warn "unloading <$_>";	2380	warn "... unloading $pkg";
2055	unload_extension $_;	2381
		2382	if (my $cb = $pkg->can ("unload")) {
		2383	eval {
		2384	$cb->($pkg);
		2385	1
		2386	} or warn "$pkg unloaded, but with errors: $@";
2056	}	2387	}
2057		2388
		2389	warn "... nuking $pkg";
		2390	Symbol::delete_package $pkg;
		2391	}
		2392
2058	# unload all modules loaded from $LIBDIR	2393	warn "unloading all perl modules loaded from $LIBDIR";
2059	while (my ($k, $v) = each %INC) {	2394	while (my ($k, $v) = each %INC) {
2060	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2395	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2061		2396
2062	warn "removing <$k>";	2397	warn "... unloading $k";
2063	delete $INC{$k};	2398	delete $INC{$k};
2064		2399
2065	$k =~ s/\.pm$//;	2400	$k =~ s/\.pm$//;
2066	$k =~ s/\//::/g;	2401	$k =~ s/\//::/g;
2067		2402
…		…
2070	}	2405	}
2071		2406
2072	Symbol::delete_package $k;	2407	Symbol::delete_package $k;
2073	}	2408	}
2074		2409
2075	# sync database to disk
2076	cf::db_sync;
2077	IO::AIO::flush;
2078
2079	# get rid of safe::, as good as possible	2410	warn "getting rid of safe::, as good as possible";
2080	Symbol::delete_package "safe::$_"	2411	Symbol::delete_package "safe::$_"
2081	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2412	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2082		2413
2083	# remove register_script_function callbacks
2084	# TODO
2085
2086	# unload cf.pm "a bit"	2414	warn "unloading cf.pm \"a bit\"";
2087	delete $INC{"cf.pm"};	2415	delete $INC{"cf.pm"};
2088		2416
2089	# don't, removes xs symbols, too,	2417	# don't, removes xs symbols, too,
2090	# and global variables created in xs	2418	# and global variables created in xs
2091	#Symbol::delete_package __PACKAGE__;	2419	#Symbol::delete_package __PACKAGE__;
2092		2420
2093	# reload cf.pm	2421	warn "unload completed, starting to reload now";
		2422
2094	warn "reloading cf.pm";	2423	warn "reloading cf.pm";
2095	require cf;	2424	require cf;
2096	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2425	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2097		2426
2098	# load config and database again	2427	warn "loading config and database again";
2099	cf::cfg_load;	2428	cf::cfg_load;
2100	cf::db_load;	2429	cf::db_load;
2101		2430
2102	# load extensions
2103	warn "load extensions";	2431	warn "loading extensions";
2104	cf::load_extensions;	2432	cf::load_extensions;
2105		2433
2106	# reattach attachments to objects	2434	warn "reattaching attachments to objects/players";
2107	warn "reattach";
2108	_global_reattach;	2435	_global_reattach;
		2436	warn "reattaching attachments to maps";
		2437	reattach $_ for values %MAP;
		2438
		2439	warn "restarting server ticker";
		2440
		2441	$TICK_WATCHER->start;
2109	};	2442	};
2110		2443
2111	if ($@) {	2444	if ($@) {
2112	warn $@;	2445	warn $@;
2113	warn "error while reloading, exiting.";	2446	warn "error while reloading, exiting.";
2114	exit 1;	2447	exit 1;
2115	}	2448	}
2116		2449
2117	warn "reloaded successfully";	2450	warn "reloaded";
2118	};	2451	};
2119		2452
2120	#############################################################################	2453	our $RELOAD_WATCHER; # used only during reload
2121
2122	unless ($LINK_MAP) {
2123	$LINK_MAP = cf::map::new;
2124
2125	$LINK_MAP->width (41);
2126	$LINK_MAP->height (41);
2127	$LINK_MAP->alloc;
2128	$LINK_MAP->path ("{link}");
2129	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2130	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2131
2132	# dirty hack because... archetypes are not yet loaded
2133	Event->timer (
2134	after => 2,
2135	cb => sub {
2136	$_[0]->w->cancel;
2137
2138	# provide some exits "home"
2139	my $exit = cf::object::new "exit";
2140
2141	$exit->slaying ($EMERGENCY_POSITION->[0]);
2142	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2143	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2144
2145	$LINK_MAP->insert ($exit->clone, 19, 19);
2146	$LINK_MAP->insert ($exit->clone, 19, 20);
2147	$LINK_MAP->insert ($exit->clone, 19, 21);
2148	$LINK_MAP->insert ($exit->clone, 20, 19);
2149	$LINK_MAP->insert ($exit->clone, 20, 21);
2150	$LINK_MAP->insert ($exit->clone, 21, 19);
2151	$LINK_MAP->insert ($exit->clone, 21, 20);
2152	$LINK_MAP->insert ($exit->clone, 21, 21);
2153
2154	$exit->destroy;
2155	});
2156
2157	$LINK_MAP->{deny_save} = 1;
2158	$LINK_MAP->{deny_reset} = 1;
2159
2160	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2161	}
2162
2163	register "<global>", __PACKAGE__;
2164		2454
2165	register_command "reload" => sub {	2455	register_command "reload" => sub {
2166	my ($who, $arg) = @_;	2456	my ($who, $arg) = @_;
2167		2457
2168	if ($who->flag (FLAG_WIZ)) {	2458	if ($who->flag (FLAG_WIZ)) {
2169	$who->message ("start of reload.");	2459	$who->message ("reloading server.");
		2460
		2461	# doing reload synchronously and two reloads happen back-to-back,
		2462	# coro crashes during coro_state_free->destroy here.
		2463
		2464	$RELOAD_WATCHER ||= Event->timer (
		2465	reentrant => 0,
		2466	after => 0,
		2467	data => WF_AUTOCANCEL,
		2468	cb => sub {
2170	reload;	2469	reload;
2171	$who->message ("end of reload.");	2470	undef $RELOAD_WATCHER;
		2471	},
		2472	);
2172	}	2473	}
2173	};	2474	};
2174		2475
2175	unshift @INC, $LIBDIR;	2476	unshift @INC, $LIBDIR;
		2477
		2478	my $bug_warning = 0;
2176		2479
2177	$TICK_WATCHER = Event->timer (	2480	$TICK_WATCHER = Event->timer (
2178	reentrant => 0,	2481	reentrant => 0,
		2482	parked => 1,
2179	prio => 0,	2483	prio => 0,
2180	at => $NEXT_TICK || $TICK,	2484	at => $NEXT_TICK || $TICK,
2181	data => WF_AUTOCANCEL,	2485	data => WF_AUTOCANCEL,
2182	cb => sub {	2486	cb => sub {
		2487	if ($Coro::current != $Coro::main) {
		2488	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2489	unless ++$bug_warning > 10;
		2490	return;
		2491	}
		2492
		2493	$NOW = Event::time;
		2494
2183	cf::server_tick; # one server iteration	2495	cf::server_tick; # one server iteration
2184	$RUNTIME += $TICK;	2496	$RUNTIME += $TICK;
2185	$NEXT_TICK += $TICK;	2497	$NEXT_TICK += $TICK;
		2498
		2499	$WAIT_FOR_TICK->broadcast;
		2500	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2186		2501
2187	# if we are delayed by four ticks or more, skip them all	2502	# if we are delayed by four ticks or more, skip them all
2188	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2503	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2189		2504
2190	$TICK_WATCHER->at ($NEXT_TICK);	2505	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2192	},	2507	},
2193	);	2508	);
2194		2509
2195	IO::AIO::max_poll_time $TICK * 0.2;	2510	IO::AIO::max_poll_time $TICK * 0.2;
2196		2511
2197	Event->io (	2512	undef $Coro::AIO::WATCHER;
		2513	$AIO_POLL_WATCHER = Event->io (
		2514	reentrant => 0,
2198	fd => IO::AIO::poll_fileno,	2515	fd => IO::AIO::poll_fileno,
2199	poll => 'r',	2516	poll => 'r',
2200	prio => 5,	2517	prio => 6,
2201	data => WF_AUTOCANCEL,	2518	data => WF_AUTOCANCEL,
2202	cb => \&IO::AIO::poll_cb,	2519	cb => \&IO::AIO::poll_cb,
2203	);	2520	);
2204		2521
2205	Event->timer (	2522	$WRITE_RUNTIME_WATCHER = Event->timer (
		2523	reentrant => 0,
2206	data => WF_AUTOCANCEL,	2524	data => WF_AUTOCANCEL,
2207	after => 0,	2525	after => 1,
2208	interval => 10,	2526	interval => 10,
2209	cb => sub {	2527	prio => 6, # keep it lowest so it acts like a watchdog
2210	(Coro::unblock_sub {	2528	cb => Coro::unblock_sub {
2211	write_runtime	2529	write_runtime
2212	or warn "ERROR: unable to write runtime file: $!";	2530	or warn "ERROR: unable to write runtime file: $!";
2213	})->();
2214	},	2531	},
2215	);	2532	);
2216		2533
2217	END { cf::emergency_save }	2534	END { cf::emergency_save }
2218		2535

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