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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 1.194 by root, Wed Jan 24 22:42:49 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3 ();	13	use Coro 3.5 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use Data::Dumper;
20	use Digest::MD5;	21	use Digest::MD5;
21	use Fcntl;	22	use Fcntl;
22	use IO::AIO 2.31 ();	23	use IO::AIO 2.32 ();
23	use YAML::Syck ();	24	use YAML::Syck ();
24	use Time::HiRes;	25	use Time::HiRes;
25		26
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	27	use Event; $Event::Eval = 1; # no idea why this is required, but it is
27		28
		29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		30
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	32	$YAML::Syck::ImplicitUnicode = 1;
30		33
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		35
35	our %COMMAND = ();	36	our %COMMAND = ();
36	our %COMMAND_TIME = ();	37	our %COMMAND_TIME = ();
		38
		39	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	40	our %EXTCMD = ();
		41	our %EXT_CORO = (); # coroutines bound to extensions
		42	our %EXT_MAP = (); # pluggable maps
38		43
39	our @EVENT;	44	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	45	our $LIBDIR = datadir . "/ext";
41		46
42	our $TICK = MAX_TIME * 1e-6;	47	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	48	our $TICK_WATCHER;
		49	our $AIO_POLL_WATCHER;
		50	our $WRITE_RUNTIME_WATCHER;
44	our $NEXT_TICK;	51	our $NEXT_TICK;
45	our $NOW;	52	our $NOW;
46		53
47	our %CFG;	54	our %CFG;
48		55
49	our $UPTIME; $UPTIME ||= time;	56	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	57	our $RUNTIME;
51		58
		59	our %PLAYER; # all users
52	our %MAP; # all maps	60	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	61	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	62	our $RANDOM_MAPS = cf::localdir . "/random";
55	our %EXT_CORO;	63
		64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		66
		67	# used to convert map paths into valid unix filenames by replacing / by ∕
		68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		69
57	binmode STDOUT;	70	binmode STDOUT;
58	binmode STDERR;	71	binmode STDERR;
59		72
60	# read virtual server time, if available	73	# read virtual server time, if available
…		…
68	mkdir cf::localdir . "/" . cf::playerdir;	81	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	82	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	83	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	84	mkdir $RANDOM_MAPS;
72		85
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	86	our $EMERGENCY_POSITION;
76		87
77	#############################################################################	88	#############################################################################
78		89
79	=head2 GLOBAL VARIABLES	90	=head2 GLOBAL VARIABLES
…		…
104		115
105	=item %cf::CFG	116	=item %cf::CFG
106		117
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	118	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	119	from wherever your confdir points to.
		120
		121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		122
		123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		125	processing has been done. Call C<< ->wait >> on them to maximise the
		126	window of cpu time available, or simply to synchronise to the server tick.
109		127
110	=back	128	=back
111		129
112	=cut	130	=cut
113		131
…		…
117	utf8::encode $msg;	135	utf8::encode $msg;
118		136
119	$msg .= "\n"	137	$msg .= "\n"
120	unless $msg =~ /\n$/;	138	unless $msg =~ /\n$/;
121		139
122	LOG llevError, "cfperl: $msg";	140	LOG llevError, $msg;
123	};	141	};
124	}	142	}
125		143
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		163
146	$Event::DIED = sub {	164	$Event::DIED = sub {
147	warn "error in event callback: @_";	165	warn "error in event callback: @_";
148	};	166	};
149		167
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	168	=head2 UTILITY FUNCTIONS
155		169
156	=over 4	170	=over 4
157		171
		172	=item dumpval $ref
		173
158	=cut	174	=cut
		175
		176	sub dumpval {
		177	eval {
		178	local $SIG{__DIE__};
		179	my $d;
		180	if (1) {
		181	$d = new Data::Dumper([$_[0]], ["*var"]);
		182	$d->Terse(1);
		183	$d->Indent(2);
		184	$d->Quotekeys(0);
		185	$d->Useqq(1);
		186	#$d->Bless(...);
		187	$d->Seen($_[1]) if @_ > 1;
		188	$d = $d->Dump();
		189	}
		190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		191	$d
		192	} || "[unable to dump $_[0]: '$@']";
		193	}
159		194
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	195	use JSON::Syck (); # TODO# replace by JSON::PC once working
161		196
162	=item $ref = cf::from_json $json	197	=item $ref = cf::from_json $json
163		198
…		…
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	$path = "$path"; # make sure its a string
		1182
		1183	# map plan:
		1184	#
		1185	# /! non-realised random map exit (special hack!)
		1186	# {... are special paths that are not being touched
		1187	# ?xxx/... are special absolute paths
		1188	# ?random/... random maps
		1189	# /... normal maps
		1190	# ~user/... per-player map of a specific user
		1191
		1192	$path =~ s/$PATH_SEP/\//go;
		1193
		1194	# treat it as relative path if it starts with
		1195	# something that looks reasonable
		1196	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1197	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1198
		1199	$base =~ s{[^/]+/?$}{};
		1200	$path = "$base/$path";
		1201	}
		1202
		1203	for ($path) {
		1204	redo if s{//}{/};
		1205	redo if s{/\.?/}{/};
		1206	redo if s{/[^/]+/\.\./}{/};
		1207	}
		1208
		1209	$path
		1210	}
		1211
		1212	sub new_from_path {
		1213	my (undef, $path, $base) = @_;
		1214
		1215	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1216
		1217	$path = normalise $path, $base;
		1218
		1219	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1220	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1221	my $self = bless cf::map::new, $pkg;
		1222	$self->{path} = $path; $self->path ($path);
		1223	$self->init; # pass $1 etc.
		1224	return $self;
		1225	}
		1226	}
		1227
		1228	Carp::carp "unable to resolve path '$path' (base '$base').";
		1229	()
		1230	}
		1231
		1232	sub init {
		1233	my ($self) = @_;
		1234
		1235	$self
		1236	}
		1237
		1238	sub as_string {
		1239	my ($self) = @_;
		1240
		1241	"$self->{path}"
		1242	}
		1243
		1244	# the displayed name, this is a one way mapping
		1245	sub visible_name {
		1246	&as_string
		1247	}
		1248
		1249	# the original (read-only) location
		1250	sub load_path {
		1251	my ($self) = @_;
		1252
		1253	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		1254	}
		1255
		1256	# the temporary/swap location
		1257	sub save_path {
		1258	my ($self) = @_;
		1259
		1260	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1261	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
		1262	}
		1263
		1264	# the unique path, undef == no special unique path
		1265	sub uniq_path {
		1266	my ($self) = @_;
		1267
		1268	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1269	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1146	}	1270	}
1147		1271
1148	# and all this just because we cannot iterate over	1272	# and all this just because we cannot iterate over
1149	# all maps in C++...	1273	# all maps in C++...
1150	sub change_all_map_light {	1274	sub change_all_map_light {
…		…
1152		1276
1153	$_->change_map_light ($change)	1277	$_->change_map_light ($change)
1154	for grep $_->outdoor, values %cf::MAP;	1278	for grep $_->outdoor, values %cf::MAP;
1155	}	1279	}
1156		1280
		1281	sub unlink_save {
		1282	my ($self) = @_;
		1283
		1284	utf8::encode (my $save = $self->save_path);
		1285	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1286	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1287	}
		1288
1157	sub try_load_header($) {	1289	sub load_header_from($) {
1158	my ($path) = @_;	1290	my ($self, $path) = @_;
1159		1291
1160	utf8::encode $path;	1292	utf8::encode $path;
1161	aio_open $path, O_RDONLY, 0	1293	aio_open $path, O_RDONLY, 0
1162	or return;	1294	or return;
1163		1295
1164	my $map = cf::map::new	1296	$self->_load_header ($path)
1165	or return;	1297	or return;
1166		1298
1167	# for better error messages only, will be overwritten	1299	$self->{load_path} = $path;
1168	$map->path ($path);
1169		1300
1170	$map->load_header ($path)	1301	1
		1302	}
		1303
		1304	sub load_header_orig {
		1305	my ($self) = @_;
		1306
		1307	$self->load_header_from ($self->load_path)
		1308	}
		1309
		1310	sub load_header_temp {
		1311	my ($self) = @_;
		1312
		1313	$self->load_header_from ($self->save_path)
		1314	}
		1315
		1316	sub prepare_temp {
		1317	my ($self) = @_;
		1318
		1319	$self->last_access ((delete $self->{last_access})
		1320	|| $cf::RUNTIME); #d#
		1321	# safety
		1322	$self->{instantiate_time} = $cf::RUNTIME
		1323	if $self->{instantiate_time} > $cf::RUNTIME;
		1324	}
		1325
		1326	sub prepare_orig {
		1327	my ($self) = @_;
		1328
		1329	$self->{load_original} = 1;
		1330	$self->{instantiate_time} = $cf::RUNTIME;
		1331	$self->last_access ($cf::RUNTIME);
		1332	$self->instantiate;
		1333	}
		1334
		1335	sub load_header {
		1336	my ($self) = @_;
		1337
		1338	if ($self->load_header_temp) {
		1339	$self->prepare_temp;
		1340	} else {
		1341	$self->load_header_orig
1171	or return;	1342	or return;
		1343	$self->prepare_orig;
		1344	}
1172		1345
1173	$map->{load_path} = $path;	1346	1
1174
1175	$map
1176	}	1347	}
1177		1348
1178	sub find;	1349	sub find;
1179	sub find {	1350	sub find {
1180	my ($path, $origin) = @_;	1351	my ($path, $origin) = @_;
1181		1352
1182	#warn "find<$path,$origin>\n";#d#
1183
1184	$path = new cf::path $path, $origin && $origin->path;	1353	$path = normalise $path, $origin && $origin->path;
1185	my $key = $path->as_string;
1186		1354
1187	cf::lock_wait "map_find:$key";	1355	cf::lock_wait "map_find:$path";
1188		1356
1189	$cf::MAP{$key} || do {	1357	$cf::MAP{$path} || do {
1190	my $guard = cf::lock_acquire "map_find:$key";	1358	my $guard = cf::lock_acquire "map_find:$path";
1191		1359	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;	1360	or return;
1211		1361
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;	1362	$map->{last_save} = $cf::RUNTIME;
1224		1363
1225	Coro::cede;	1364	$map->load_header
		1365	or return;
1226		1366
1227	if ($map->should_reset) {	1367	if ($map->should_reset) {
		1368	# doing this can freeze the server in a sync job, obviously
		1369	#$cf::WAIT_FOR_TICK->wait;
1228	$map->reset;	1370	$map->reset;
1229	undef $guard;	1371	undef $guard;
1230	$map = find $path	1372	return find $path;
1231	or return;
1232	}	1373	}
1233		1374
1234	$cf::MAP{$key} = $map	1375	$cf::MAP{$path} = $map
1235	}	1376	}
1236	}	1377	}
		1378
		1379	sub pre_load { }
		1380	sub post_load { }
1237		1381
1238	sub load {	1382	sub load {
1239	my ($self) = @_;	1383	my ($self) = @_;
1240		1384
1241	my $path = $self->{path};	1385	my $path = $self->{path};
1242	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1386	my $guard = cf::lock_acquire "map_load:$path";
1243		1387
1244	return if $self->in_memory != cf::MAP_SWAPPED;	1388	return if $self->in_memory != cf::MAP_SWAPPED;
1245		1389
1246	$self->in_memory (cf::MAP_LOADING);	1390	$self->in_memory (cf::MAP_LOADING);
1247		1391
1248	$self->alloc;	1392	$self->alloc;
		1393
		1394	$self->pre_load;
		1395
1249	$self->load_objects ($self->{load_path}, 1)	1396	$self->_load_objects ($self->{load_path}, 1)
1250	or return;	1397	or return;
1251		1398
1252	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1399	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1253	if delete $self->{load_original};	1400	if delete $self->{load_original};
1254		1401
1255	if (my $uniq = $path->uniq_path) {	1402	if (my $uniq = $self->uniq_path) {
1256	utf8::encode $uniq;	1403	utf8::encode $uniq;
1257	if (aio_open $uniq, O_RDONLY, 0) {	1404	if (aio_open $uniq, O_RDONLY, 0) {
1258	$self->clear_unique_items;	1405	$self->clear_unique_items;
1259	$self->load_objects ($uniq, 0);	1406	$self->_load_objects ($uniq, 0);
1260	}	1407	}
1261	}	1408	}
1262		1409
1263	Coro::cede;	1410	Coro::cede;
1264		1411
1265	# now do the right thing for maps	1412	# now do the right thing for maps
1266	$self->link_multipart_objects;	1413	$self->link_multipart_objects;
1267		1414
1268	if ($self->{path}->is_style_map) {	1415	unless ($self->{deny_activate}) {
1269	$self->{deny_save} = 1;	1416	$self->decay_objects;
1270	$self->{deny_reset} = 1;
1271	} else {
1272	$self->fix_auto_apply;	1417	$self->fix_auto_apply;
1273	$self->decay_objects;
1274	$self->update_buttons;	1418	$self->update_buttons;
		1419	Coro::cede;
1275	$self->set_darkness_map;	1420	$self->set_darkness_map;
1276	$self->difficulty ($self->estimate_difficulty)	1421	$self->difficulty ($self->estimate_difficulty)
1277	unless $self->difficulty;	1422	unless $self->difficulty;
		1423	Coro::cede;
1278	$self->activate;	1424	$self->activate;
1279	}	1425	}
1280		1426
1281	Coro::cede;	1427	$self->post_load;
1282		1428
1283	$self->in_memory (cf::MAP_IN_MEMORY);	1429	$self->in_memory (cf::MAP_IN_MEMORY);
		1430	}
		1431
		1432	sub customise_for {
		1433	my ($self, $ob) = @_;
		1434
		1435	return find "~" . $ob->name . "/" . $self->{path}
		1436	if $self->per_player;
		1437
		1438	$self
		1439	}
		1440
		1441	# find and load all maps in the 3x3 area around a map
		1442	sub load_diag {
		1443	my ($map) = @_;
		1444
		1445	my @diag; # diagonal neighbours
		1446
		1447	for (0 .. 3) {
		1448	my $neigh = $map->tile_path ($_)
		1449	or next;
		1450	$neigh = find $neigh, $map
		1451	or next;
		1452	$neigh->load;
		1453
		1454	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1455	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1456	}
		1457
		1458	for (@diag) {
		1459	my $neigh = find @$_
		1460	or next;
		1461	$neigh->load;
		1462	}
1284	}	1463	}
1285		1464
1286	sub find_sync {	1465	sub find_sync {
1287	my ($path, $origin) = @_;	1466	my ($path, $origin) = @_;
1288		1467
1289	cf::sync_job { cf::map::find $path, $origin }	1468	cf::sync_job { find $path, $origin }
1290	}	1469	}
1291		1470
1292	sub do_load_sync {	1471	sub do_load_sync {
1293	my ($map) = @_;	1472	my ($map) = @_;
1294		1473
1295	cf::sync_job { $map->load };	1474	cf::sync_job { $map->load };
1296	}	1475	}
1297		1476
		1477	our %MAP_PREFETCH;
		1478	our $MAP_PREFETCHER = undef;
		1479
		1480	sub find_async {
		1481	my ($path, $origin) = @_;
		1482
		1483	$path = normalise $path, $origin && $origin->{path};
		1484
		1485	if (my $map = $cf::MAP{$path}) {
		1486	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1487	}
		1488
		1489	undef $MAP_PREFETCH{$path};
		1490	$MAP_PREFETCHER ||= cf::async {
		1491	while (%MAP_PREFETCH) {
		1492	for my $path (keys %MAP_PREFETCH) {
		1493	my $map = find $path
		1494	or next;
		1495	$map->load;
		1496
		1497	delete $MAP_PREFETCH{$path};
		1498	}
		1499	}
		1500	undef $MAP_PREFETCHER;
		1501	};
		1502	$MAP_PREFETCHER->prio (6);
		1503
		1504	()
		1505	}
		1506
1298	sub save {	1507	sub save {
1299	my ($self) = @_;	1508	my ($self) = @_;
1300		1509
1301	my $lock = cf::lock_acquire "map_data:" . $self->path;	1510	my $lock = cf::lock_acquire "map_data:" . $self->path;
1302		1511
1303	$self->{last_save} = $cf::RUNTIME;	1512	$self->{last_save} = $cf::RUNTIME;
1304		1513
1305	return unless $self->dirty;	1514	return unless $self->dirty;
1306		1515
1307	my $save = $self->{path}->save_path; utf8::encode $save;	1516	my $save = $self->save_path; utf8::encode $save;
1308	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1517	my $uniq = $self->uniq_path; utf8::encode $uniq;
1309		1518
1310	$self->{load_path} = $save;	1519	$self->{load_path} = $save;
1311		1520
1312	return if $self->{deny_save};	1521	return if $self->{deny_save};
1313		1522
1314	local $self->{last_access} = $self->last_access;#d#	1523	local $self->{last_access} = $self->last_access;#d#
1315		1524
		1525	cf::async {
		1526	$_->contr->save for $self->players;
		1527	};
		1528
1316	if ($uniq) {	1529	if ($uniq) {
1317	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1530	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318	$self->save_objects ($uniq, cf::IO_UNIQUES);	1531	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1319	} else {	1532	} else {
1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1533	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1321	}	1534	}
1322	}	1535	}
1323		1536
1324	sub swap_out {	1537	sub swap_out {
1325	my ($self) = @_;	1538	my ($self) = @_;
…		…
1339		1552
1340	sub reset_at {	1553	sub reset_at {
1341	my ($self) = @_;	1554	my ($self) = @_;
1342		1555
1343	# TODO: safety, remove and allow resettable per-player maps	1556	# TODO: safety, remove and allow resettable per-player maps
1344	return 1e99 if $self->{path}{user_rel};	1557	return 1e99 if $self->isa ("ext::map_per_player");#d#
1345	return 1e99 if $self->{deny_reset};	1558	return 1e99 if $self->{deny_reset};
1346		1559
1347	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1560	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1348	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1561	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1349		1562
…		…
1354	my ($self) = @_;	1567	my ($self) = @_;
1355		1568
1356	$self->reset_at <= $cf::RUNTIME	1569	$self->reset_at <= $cf::RUNTIME
1357	}	1570	}
1358		1571
1359	sub unlink_save {
1360	my ($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	$self->save;
1378	}
1379
1380	sub reset {	1572	sub reset {
1381	my ($self) = @_;	1573	my ($self) = @_;
1382		1574
1383	my $lock = cf::lock_acquire "map_data:" . $self->path;	1575	my $lock = cf::lock_acquire "map_data:$self->{path}";
1384		1576
1385	return if $self->players;	1577	return if $self->players;
1386	return if $self->{path}{user_rel};#d#	1578	return if $self->isa ("ext::map_per_player");#d#
1387		1579
1388	warn "resetting map ", $self->path;#d#	1580	warn "resetting map ", $self->path;#d#
1389		1581
1390	delete $cf::MAP{$self->path};	1582	delete $cf::MAP{$self->path};
		1583
		1584	$self->in_memory (cf::MAP_SWAPPED);
		1585	$self->clear;
1391		1586
1392	$_->clear_links_to ($self) for values %cf::MAP;	1587	$_->clear_links_to ($self) for values %cf::MAP;
1393		1588
1394	$self->unlink_save;	1589	$self->unlink_save;
1395	$self->destroy;	1590	$self->destroy;
…		…
1398	my $nuke_counter = "aaaa";	1593	my $nuke_counter = "aaaa";
1399		1594
1400	sub nuke {	1595	sub nuke {
1401	my ($self) = @_;	1596	my ($self) = @_;
1402		1597
		1598	delete $cf::MAP{$self->path};
		1599
		1600	$self->unlink_save;
		1601
		1602	bless $self, "cf::map";
		1603	delete $self->{deny_reset};
1403	$self->{deny_save} = 1;	1604	$self->{deny_save} = 1;
1404	$self->reset_timeout (1);	1605	$self->reset_timeout (1);
1405	$self->rename ("{nuke}/" . ($nuke_counter++));	1606	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1607
		1608	$cf::MAP{$self->path} = $self;
		1609
1406	$self->reset; # polite request, might not happen	1610	$self->reset; # polite request, might not happen
1407	}	1611	}
1408		1612
1409	sub customise_for {	1613	=item cf::map::unique_maps
1410	my ($map, $ob) = @_;
1411		1614
1412	if ($map->per_player) {	1615	Returns an arrayref of paths of all shared maps that have
1413	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1616	instantiated unique items. May block.
1414	}
1415		1617
1416	$map	1618	=cut
1417	}
1418		1619
1419	sub emergency_save {	1620	sub unique_maps() {
1420	my $freeze_guard = cf::freeze_mainloop;	1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1622	or return;
1421		1623
1422	warn "enter emergency map save\n";	1624	my @paths;
1423		1625
1424	cf::sync_job {	1626	for (@$files) {
1425	warn "begin emergency map save\n";	1627	utf8::decode $_;
1426	$_->save for values %cf::MAP;	1628	next if /\.pst$/;
		1629	next unless /^$PATH_SEP/o;
		1630
		1631	s/\.map$//;
		1632	push @paths, $_;
1427	};	1633	}
1428		1634
1429	warn "end emergency map save\n";	1635	\@paths
1430	}	1636	}
1431		1637
1432	package cf;	1638	package cf;
1433		1639
1434	=back	1640	=back
1435		1641
		1642	=head3 cf::object
		1643
		1644	=cut
		1645
		1646	package cf::object;
		1647
		1648	=over 4
		1649
		1650	=item $ob->inv_recursive
		1651
		1652	Returns the inventory of the object _and_ their inventories, recursively.
		1653
		1654	=cut
		1655
		1656	sub inv_recursive_;
		1657	sub inv_recursive_ {
		1658	map { $_, inv_recursive_ $_->inv } @_
		1659	}
		1660
		1661	sub inv_recursive {
		1662	inv_recursive_ inv $_[0]
		1663	}
		1664
		1665	package cf;
		1666
		1667	=back
1436		1668
1437	=head3 cf::object::player	1669	=head3 cf::object::player
1438		1670
1439	=over 4	1671	=over 4
1440		1672
…		…
1480		1712
1481	=item $player_object->enter_link	1713	=item $player_object->enter_link
1482		1714
1483	Freezes the player and moves him/her to a special map (C<{link}>).	1715	Freezes the player and moves him/her to a special map (C<{link}>).
1484		1716
1485	The player should be reaosnably safe there for short amounts of time. You	1717	The player should be reasonably safe there for short amounts of time. You
1486	I<MUST> call C<leave_link> as soon as possible, though.	1718	I<MUST> call C<leave_link> as soon as possible, though.
1487		1719
		1720	Will never block.
		1721
1488	=item $player_object->leave_link ($map, $x, $y)	1722	=item $player_object->leave_link ($map, $x, $y)
1489		1723
1490	Moves the player out of the specila link map onto the given map. If the	1724	Moves the player out of the special C<{link}> map onto the specified
1491	map is not valid (or omitted), the player will be moved back to the	1725	map. If the map is not valid (or omitted), the player will be moved back
1492	location he/she was before the call to C<enter_link>, or, if that fails,	1726	to the location he/she was before the call to C<enter_link>, or, if that
1493	to the emergency map position.	1727	fails, to the emergency map position.
1494		1728
1495	Might block.	1729	Might block.
1496		1730
1497	=cut	1731	=cut
		1732
		1733	sub link_map {
		1734	unless ($LINK_MAP) {
		1735	$LINK_MAP = cf::map::find "{link}"
		1736	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
		1737	$LINK_MAP->load;
		1738	}
		1739
		1740	$LINK_MAP
		1741	}
1498		1742
1499	sub cf::object::player::enter_link {	1743	sub cf::object::player::enter_link {
1500	my ($self) = @_;	1744	my ($self) = @_;
1501		1745
1502	$self->deactivate_recursive;	1746	$self->deactivate_recursive;
1503		1747
1504	return if $self->map == $LINK_MAP;	1748	return if UNIVERSAL::isa $self->map, "ext::map_link";
1505		1749
1506	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1750	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1507	if $self->map;	1751	if $self->map;
1508		1752
1509	$self->enter_map ($LINK_MAP, 20, 20);	1753	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1510	}	1754	}
1511		1755
1512	sub cf::object::player::leave_link {	1756	sub cf::object::player::leave_link {
1513	my ($self, $map, $x, $y) = @_;	1757	my ($self, $map, $x, $y) = @_;
1514		1758
…		…
1532	# use -1 or undef as default coordinates, not 0, 0	1776	# use -1 or undef as default coordinates, not 0, 0
1533	($x, $y) = ($map->enter_x, $map->enter_y)	1777	($x, $y) = ($map->enter_x, $map->enter_y)
1534	if $x <=0 && $y <= 0;	1778	if $x <=0 && $y <= 0;
1535		1779
1536	$map->load;	1780	$map->load;
		1781	$map->load_diag;
1537		1782
		1783	return unless $self->contr->active;
1538	$self->activate_recursive;	1784	$self->activate_recursive;
1539	$self->enter_map ($map, $x, $y);	1785	$self->enter_map ($map, $x, $y);
1540	}	1786	}
1541		1787
1542	cf::player->attach (	1788	cf::player->attach (
…		…
1555		1801
1556	# try to abort aborted map switching on player login :)	1802	# try to abort aborted map switching on player login :)
1557	# should happen only on crashes	1803	# should happen only on crashes
1558	if ($pl->ob->{_link_pos}) {	1804	if ($pl->ob->{_link_pos}) {
1559	$pl->ob->enter_link;	1805	$pl->ob->enter_link;
1560	cf::async {	1806	(async {
1561	# we need this sleep as the login has a concurrent enter_exit running	1807	# we need this sleep as the login has a concurrent enter_exit running
1562	# and this sleep increases chances of the player not ending up in scorn	1808	# and this sleep increases chances of the player not ending up in scorn
		1809	$pl->ob->reply (undef,
		1810	"There was an internal problem at your last logout, "
		1811	. "the server will try to bring you to your intended destination in a second.",
		1812	cf::NDI_RED);
1563	Coro::Timer::sleep 1;	1813	Coro::Timer::sleep 1;
1564	$pl->ob->leave_link;	1814	$pl->ob->leave_link;
1565	};	1815	})->prio (2);
1566	}	1816	}
1567	},	1817	},
1568	);	1818	);
1569		1819
1570	=item $player_object->goto ($path, $x, $y)	1820	=item $player_object->goto ($path, $x, $y)
…		…
1574	sub cf::object::player::goto {	1824	sub cf::object::player::goto {
1575	my ($self, $path, $x, $y) = @_;	1825	my ($self, $path, $x, $y) = @_;
1576		1826
1577	$self->enter_link;	1827	$self->enter_link;
1578		1828
1579	(cf::async {	1829	(async {
1580	$path = new cf::path $path;
1581
1582	my $map = cf::map::find $path->as_string;	1830	my $map = cf::map::find $path;
1583	$map = $map->customise_for ($self) if $map;	1831	$map = $map->customise_for ($self) if $map;
1584		1832
1585	# warn "entering ", $map->path, " at ($x, $y)\n"	1833	# warn "entering ", $map->path, " at ($x, $y)\n"
1586	# if $map;	1834	# if $map;
1587		1835
1588	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1836	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1589		1837
1590	$self->leave_link ($map, $x, $y);	1838	$self->leave_link ($map, $x, $y);
1591	})->prio (1);	1839	})->prio (1);
1592	}	1840	}
1593		1841
…		…
1597		1845
1598	sub parse_random_map_params {	1846	sub parse_random_map_params {
1599	my ($spec) = @_;	1847	my ($spec) = @_;
1600		1848
1601	my $rmp = { # defaults	1849	my $rmp = { # defaults
1602	xsize => 10,	1850	xsize => (cf::rndm 15, 40),
1603	ysize => 10,	1851	ysize => (cf::rndm 15, 40),
		1852	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1853	#layout => string,
1604	};	1854	};
1605		1855
1606	for (split /\n/, $spec) {	1856	for (split /\n/, $spec) {
1607	my ($k, $v) = split /\s+/, $_, 2;	1857	my ($k, $v) = split /\s+/, $_, 2;
1608		1858
…		…
1612	$rmp	1862	$rmp
1613	}	1863	}
1614		1864
1615	sub prepare_random_map {	1865	sub prepare_random_map {
1616	my ($exit) = @_;	1866	my ($exit) = @_;
		1867
		1868	my $guard = cf::lock_acquire "exit_prepare:$exit";
1617		1869
1618	# all this does is basically replace the /! path by	1870	# all this does is basically replace the /! path by
1619	# a new random map path (?random/...) with a seed	1871	# a new random map path (?random/...) with a seed
1620	# that depends on the exit object	1872	# that depends on the exit object
1621		1873
…		…
1630		1882
1631	$rmp->{random_seed} ||= $exit->random_seed;	1883	$rmp->{random_seed} ||= $exit->random_seed;
1632		1884
1633	my $data = cf::to_json $rmp;	1885	my $data = cf::to_json $rmp;
1634	my $md5 = Digest::MD5::md5_hex $data;	1886	my $md5 = Digest::MD5::md5_hex $data;
		1887	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1635		1888
1636	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1889	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1637	aio_write $fh, 0, (length $data), $data, 0;	1890	aio_write $fh, 0, (length $data), $data, 0;
		1891	undef $fh;
		1892	aio_rename "$meta~", $meta;
1638		1893
1639	$exit->slaying ("?random/$md5");	1894	$exit->slaying ("?random/$md5");
1640	$exit->msg (undef);	1895	$exit->msg (undef);
1641	}	1896	}
1642	}	1897	}
…		…
1646		1901
1647	return unless $self->type == cf::PLAYER;	1902	return unless $self->type == cf::PLAYER;
1648		1903
1649	$self->enter_link;	1904	$self->enter_link;
1650		1905
1651	(cf::async {	1906	(async {
1652	$self->deactivate_recursive; # just to be sure	1907	$self->deactivate_recursive; # just to be sure
1653	unless (eval {	1908	unless (eval {
1654	prepare_random_map $exit	1909	prepare_random_map $exit
1655	if $exit->slaying eq "/!";	1910	if $exit->slaying eq "/!";
1656		1911
1657	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1912	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1658	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	1913	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1659		1914
1660	1;	1915	1;
1661	}) {	1916	}) {
1662	$self->message ("Something went wrong deep within the crossfire server. "	1917	$self->message ("Something went wrong deep within the crossfire server. "
1663	. "I'll try to bring you back to the map you were before. "	1918	. "I'll try to bring you back to the map you were before. "
1664	. "Please report this to the dungeon master",	1919	. "Please report this to the dungeon master!",
1665	cf::NDI_UNIQUE | cf::NDI_RED);	1920	cf::NDI_UNIQUE | cf::NDI_RED);
1666		1921
1667	warn "ERROR in enter_exit: $@";	1922	warn "ERROR in enter_exit: $@";
1668	$self->leave_link;	1923	$self->leave_link;
1669	}	1924	}
…		…
1737	}	1992	}
1738	}	1993	}
1739	},	1994	},
1740	);	1995	);
1741		1996
1742	=item $client->coro (\&cb)	1997	=item $client->async (\&cb)
1743		1998
1744	Create a new coroutine, running the specified callback. The coroutine will	1999	Create a new coroutine, running the specified callback. The coroutine will
1745	be automatically cancelled when the client gets destroyed (e.g. on logout,	2000	be automatically cancelled when the client gets destroyed (e.g. on logout,
1746	or loss of connection).	2001	or loss of connection).
1747		2002
1748	=cut	2003	=cut
1749		2004
1750	sub cf::client::coro {	2005	sub cf::client::async {
1751	my ($self, $cb) = @_;	2006	my ($self, $cb) = @_;
1752		2007
1753	my $coro = &cf::async ($cb);	2008	my $coro = &Coro::async ($cb);
1754		2009
1755	$coro->on_destroy (sub {	2010	$coro->on_destroy (sub {
1756	delete $self->{_coro}{$coro+0};	2011	delete $self->{_coro}{$coro+0};
1757	});	2012	});
1758		2013
…		…
1952	sub db_sync() {	2207	sub db_sync() {
1953	db_save if $dirty;	2208	db_save if $dirty;
1954	undef $dirty;	2209	undef $dirty;
1955	}	2210	}
1956		2211
1957	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2212	my $idle = Event->idle (
1958	db_sync;	2213	reentrant => 0,
		2214	min => 10,
		2215	max => 20,
		2216	repeat => 0,
		2217	data => WF_AUTOCANCEL,
		2218	cb => \&db_sync,
1959	});	2219	);
1960		2220
1961	sub db_dirty() {	2221	sub db_dirty() {
1962	$dirty = 1;	2222	$dirty = 1;
1963	$idle->start;	2223	$idle->start;
1964	}	2224	}
…		…
1996	local $/;	2256	local $/;
1997	*CFG = YAML::Syck::Load <$fh>;	2257	*CFG = YAML::Syck::Load <$fh>;
1998		2258
1999	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2259	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2000		2260
		2261	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2262	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2263
2001	if (exists $CFG{mlockall}) {	2264	if (exists $CFG{mlockall}) {
2002	eval {	2265	eval {
2003	$CFG{mlockall} ? &mlockall : &munlockall	2266	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2004	and die "WARNING: m(un)lockall failed: $!\n";	2267	and die "WARNING: m(un)lockall failed: $!\n";
2005	};	2268	};
2006	warn $@ if $@;	2269	warn $@ if $@;
2007	}	2270	}
2008	}	2271	}
2009		2272
2010	sub main {	2273	sub main {
2011	# we must not ever block the main coroutine	2274	# we must not ever block the main coroutine
2012	local $Coro::idle = sub {	2275	local $Coro::idle = sub {
2013	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2276	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2014	(Coro::unblock_sub {	2277	(async {
2015	Event::one_event;	2278	Event::one_event;
2016	})->();	2279	})->prio (Coro::PRIO_MAX);
2017	};	2280	};
2018		2281
2019	cfg_load;	2282	cfg_load;
2020	db_load;	2283	db_load;
2021	load_extensions;	2284	load_extensions;
		2285
		2286	$TICK_WATCHER->start;
2022	Event::loop;	2287	Event::loop;
2023	}	2288	}
2024		2289
2025	#############################################################################	2290	#############################################################################
2026	# initialisation	2291	# initialisation and cleanup
		2292
		2293	# install some emergency cleanup handlers
		2294	BEGIN {
		2295	for my $signal (qw(INT HUP TERM)) {
		2296	Event->signal (
		2297	reentrant => 0,
		2298	data => WF_AUTOCANCEL,
		2299	signal => $signal,
		2300	prio => 0,
		2301	cb => sub {
		2302	cf::cleanup "SIG$signal";
		2303	},
		2304	);
		2305	}
		2306	}
		2307
		2308	sub emergency_save() {
		2309	my $freeze_guard = cf::freeze_mainloop;
		2310
		2311	warn "enter emergency perl save\n";
		2312
		2313	cf::sync_job {
		2314	# use a peculiar iteration method to avoid tripping on perl
		2315	# refcount bugs in for. also avoids problems with players
		2316	# and maps saved/destroyed asynchronously.
		2317	warn "begin emergency player save\n";
		2318	for my $login (keys %cf::PLAYER) {
		2319	my $pl = $cf::PLAYER{$login} or next;
		2320	$pl->valid or next;
		2321	$pl->save;
		2322	}
		2323	warn "end emergency player save\n";
		2324
		2325	warn "begin emergency map save\n";
		2326	for my $path (keys %cf::MAP) {
		2327	my $map = $cf::MAP{$path} or next;
		2328	$map->valid or next;
		2329	$map->save;
		2330	}
		2331	warn "end emergency map save\n";
		2332	};
		2333
		2334	warn "leave emergency perl save\n";
		2335	}
2027		2336
2028	sub reload() {	2337	sub reload() {
2029	# can/must only be called in main	2338	# can/must only be called in main
2030	if ($Coro::current != $Coro::main) {	2339	if ($Coro::current != $Coro::main) {
2031	warn "can only reload from main coroutine\n";	2340	warn "can only reload from main coroutine";
2032	return;	2341	return;
2033	}	2342	}
2034		2343
2035	warn "reloading...";	2344	warn "reloading...";
2036		2345
2037	my $guard = freeze_mainloop;	2346	warn "cancelling server ticker";
		2347	$TICK_WATCHER->cancel;
		2348
2038	cf::emergency_save;	2349	cf::emergency_save;
2039		2350
2040	eval {	2351	eval {
2041	# if anything goes wrong in here, we should simply crash as we already saved	2352	# if anything goes wrong in here, we should simply crash as we already saved
2042		2353
2043	# cancel all watchers	2354	warn "syncing database to disk";
		2355	cf::db_sync;
		2356
		2357	warn "cancelling all WF_AUTOCANCEL watchers";
2044	for (Event::all_watchers) {	2358	for (Event::all_watchers) {
2045	$_->cancel if $_->data & WF_AUTOCANCEL;	2359	$_->cancel if $_->data & WF_AUTOCANCEL;
2046	}	2360	}
2047		2361
		2362	warn "flushing outstanding aio requests";
		2363	for (;;) {
		2364	IO::AIO::flush;
		2365	Coro::cede;
		2366	last unless IO::AIO::nreqs;
		2367	warn "iterate...";
		2368	}
		2369
2048	# cancel all extension coros	2370	warn "cancelling all extension coros";
2049	$_->cancel for values %EXT_CORO;	2371	$_->cancel for values %EXT_CORO;
2050	%EXT_CORO = ();	2372	%EXT_CORO = ();
2051		2373
2052	# unload all extensions	2374	warn "removing commands";
2053	for (@exts) {	2375	%COMMAND = ();
		2376
		2377	warn "removing ext commands";
		2378	%EXTCMD = ();
		2379
		2380	warn "unloading/nuking all extensions";
		2381	for my $pkg (@EXTS) {
2054	warn "unloading <$_>";	2382	warn "... unloading $pkg";
2055	unload_extension $_;	2383
		2384	if (my $cb = $pkg->can ("unload")) {
		2385	eval {
		2386	$cb->($pkg);
		2387	1
		2388	} or warn "$pkg unloaded, but with errors: $@";
2056	}	2389	}
2057		2390
		2391	warn "... nuking $pkg";
		2392	Symbol::delete_package $pkg;
		2393	}
		2394
2058	# unload all modules loaded from $LIBDIR	2395	warn "unloading all perl modules loaded from $LIBDIR";
2059	while (my ($k, $v) = each %INC) {	2396	while (my ($k, $v) = each %INC) {
2060	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2397	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2061		2398
2062	warn "removing <$k>";	2399	warn "... unloading $k";
2063	delete $INC{$k};	2400	delete $INC{$k};
2064		2401
2065	$k =~ s/\.pm$//;	2402	$k =~ s/\.pm$//;
2066	$k =~ s/\//::/g;	2403	$k =~ s/\//::/g;
2067		2404
…		…
2070	}	2407	}
2071		2408
2072	Symbol::delete_package $k;	2409	Symbol::delete_package $k;
2073	}	2410	}
2074		2411
2075	# sync database to disk
2076	cf::db_sync;
2077	IO::AIO::flush;
2078
2079	# get rid of safe::, as good as possible	2412	warn "getting rid of safe::, as good as possible";
2080	Symbol::delete_package "safe::$_"	2413	Symbol::delete_package "safe::$_"
2081	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2414	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2082		2415
2083	# remove register_script_function callbacks
2084	# TODO
2085
2086	# unload cf.pm "a bit"	2416	warn "unloading cf.pm \"a bit\"";
2087	delete $INC{"cf.pm"};	2417	delete $INC{"cf.pm"};
2088		2418
2089	# don't, removes xs symbols, too,	2419	# don't, removes xs symbols, too,
2090	# and global variables created in xs	2420	# and global variables created in xs
2091	#Symbol::delete_package __PACKAGE__;	2421	#Symbol::delete_package __PACKAGE__;
2092		2422
2093	# reload cf.pm	2423	warn "unload completed, starting to reload now";
		2424
2094	warn "reloading cf.pm";	2425	warn "reloading cf.pm";
2095	require cf;	2426	require cf;
2096	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2427	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2097		2428
2098	# load config and database again	2429	warn "loading config and database again";
2099	cf::cfg_load;	2430	cf::cfg_load;
2100	cf::db_load;	2431	cf::db_load;
2101		2432
2102	# load extensions
2103	warn "load extensions";	2433	warn "loading extensions";
2104	cf::load_extensions;	2434	cf::load_extensions;
2105		2435
2106	# reattach attachments to objects	2436	warn "reattaching attachments to objects/players";
2107	warn "reattach";
2108	_global_reattach;	2437	_global_reattach;
		2438	warn "reattaching attachments to maps";
		2439	reattach $_ for values %MAP;
		2440
		2441	warn "restarting server ticker";
		2442
		2443	$TICK_WATCHER->start;
2109	};	2444	};
2110		2445
2111	if ($@) {	2446	if ($@) {
2112	warn $@;	2447	warn $@;
2113	warn "error while reloading, exiting.";	2448	warn "error while reloading, exiting.";
2114	exit 1;	2449	exit 1;
2115	}	2450	}
2116		2451
2117	warn "reloaded successfully";	2452	warn "reloaded";
2118	};	2453	};
2119		2454
2120	#############################################################################	2455	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} = $LINK_MAP;
2161	}
2162
2163	register "<global>", __PACKAGE__;
2164		2456
2165	register_command "reload" => sub {	2457	register_command "reload" => sub {
2166	my ($who, $arg) = @_;	2458	my ($who, $arg) = @_;
2167		2459
2168	if ($who->flag (FLAG_WIZ)) {	2460	if ($who->flag (FLAG_WIZ)) {
2169	$who->message ("start of reload.");	2461	$who->message ("reloading server.");
		2462
		2463	# doing reload synchronously and two reloads happen back-to-back,
		2464	# coro crashes during coro_state_free->destroy here.
		2465
		2466	$RELOAD_WATCHER ||= Event->timer (
		2467	reentrant => 0,
		2468	after => 0,
		2469	data => WF_AUTOCANCEL,
		2470	cb => sub {
2170	reload;	2471	reload;
2171	$who->message ("end of reload.");	2472	undef $RELOAD_WATCHER;
		2473	},
		2474	);
2172	}	2475	}
2173	};	2476	};
2174		2477
2175	unshift @INC, $LIBDIR;	2478	unshift @INC, $LIBDIR;
		2479
		2480	my $bug_warning = 0;
2176		2481
2177	$TICK_WATCHER = Event->timer (	2482	$TICK_WATCHER = Event->timer (
2178	reentrant => 0,	2483	reentrant => 0,
		2484	parked => 1,
2179	prio => 0,	2485	prio => 0,
2180	at => $NEXT_TICK || $TICK,	2486	at => $NEXT_TICK || $TICK,
2181	data => WF_AUTOCANCEL,	2487	data => WF_AUTOCANCEL,
2182	cb => sub {	2488	cb => sub {
		2489	if ($Coro::current != $Coro::main) {
		2490	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2491	unless ++$bug_warning > 10;
		2492	return;
		2493	}
		2494
		2495	$NOW = Event::time;
		2496
2183	cf::server_tick; # one server iteration	2497	cf::server_tick; # one server iteration
2184	$RUNTIME += $TICK;	2498	$RUNTIME += $TICK;
2185	$NEXT_TICK += $TICK;	2499	$NEXT_TICK += $TICK;
		2500
		2501	$WAIT_FOR_TICK->broadcast;
		2502	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2503
		2504	Event::sweep;
		2505	Coro::cede_notself;
		2506
		2507	# my $AFTER = Event::time;
		2508	# warn $AFTER - $NOW;#d#
2186		2509
2187	# if we are delayed by four ticks or more, skip them all	2510	# if we are delayed by four ticks or more, skip them all
2188	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2511	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2189		2512
2190	$TICK_WATCHER->at ($NEXT_TICK);	2513	$TICK_WATCHER->at ($NEXT_TICK);
2191	$TICK_WATCHER->start;	2514	$TICK_WATCHER->start;
2192	},	2515	},
2193	);	2516	);
2194		2517
2195	IO::AIO::max_poll_time $TICK * 0.2;	2518	IO::AIO::max_poll_time $TICK * 0.1;
2196		2519
2197	Event->io (	2520	undef $Coro::AIO::WATCHER;
		2521	$AIO_POLL_WATCHER = Event->io (
		2522	reentrant => 0,
2198	fd => IO::AIO::poll_fileno,	2523	fd => IO::AIO::poll_fileno,
2199	poll => 'r',	2524	poll => 'r',
2200	prio => 5,	2525	prio => 6,
2201	data => WF_AUTOCANCEL,	2526	data => WF_AUTOCANCEL,
2202	cb => \&IO::AIO::poll_cb,	2527	cb => \&IO::AIO::poll_cb,
2203	);	2528	);
2204		2529
2205	Event->timer (	2530	$WRITE_RUNTIME_WATCHER = Event->timer (
		2531	reentrant => 0,
2206	data => WF_AUTOCANCEL,	2532	data => WF_AUTOCANCEL,
2207	after => 0,	2533	after => 1,
2208	interval => 10,	2534	interval => 10,
2209	cb => sub {	2535	prio => 6, # keep it lowest so it acts like a watchdog
2210	(Coro::unblock_sub {	2536	cb => Coro::unblock_sub {
2211	write_runtime	2537	write_runtime
2212	or warn "ERROR: unable to write runtime file: $!";	2538	or warn "ERROR: unable to write runtime file: $!";
2213	})->();
2214	},	2539	},
2215	);	2540	);
2216		2541
2217	END { cf::emergency_save }	2542	END { cf::emergency_save }
2218		2543

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