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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.113 by root, Mon Jan 1 15:32:40 2007 UTC vs.
Revision 1.210 by root, Mon Feb 12 01:32:49 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 BDB ();
		21	use Data::Dumper;
20	use Digest::MD5;	22	use Digest::MD5;
21	use Fcntl;	23	use Fcntl;
22	use IO::AIO 2.31 ();	24	use IO::AIO 2.32 ();
23	use YAML::Syck ();	25	use YAML::Syck ();
24	use Time::HiRes;	26	use Time::HiRes;
		27	use Compress::LZF;
		28
		29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
25		30
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
		32
		33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
27		34
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	36	$YAML::Syck::ImplicitUnicode = 1;
30		37
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	38	$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		39
35	our %COMMAND = ();	40	our %COMMAND = ();
36	our %COMMAND_TIME = ();	41	our %COMMAND_TIME = ();
		42
		43	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	44	our %EXTCMD = ();
		45	our %EXT_CORO = (); # coroutines bound to extensions
		46	our %EXT_MAP = (); # pluggable maps
38		47
39	our @EVENT;	48	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	49	our $LIBDIR = datadir . "/ext";
41		50
42	our $TICK = MAX_TIME * 1e-6;	51	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	52	our $TICK_WATCHER;
		53	our $AIO_POLL_WATCHER;
		54	our $WRITE_RUNTIME_WATCHER;
44	our $NEXT_TICK;	55	our $NEXT_TICK;
45	our $NOW;	56	our $NOW;
		57	our $USE_FSYNC = 1; # use fsync to write maps - default off
		58
		59	our $BDB_POLL_WATCHER;
		60	our $DB_ENV;
46		61
47	our %CFG;	62	our %CFG;
48		63
49	our $UPTIME; $UPTIME ||= time;	64	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	65	our $RUNTIME;
51		66
		67	our %PLAYER; # all users
52	our %MAP; # all maps	68	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	69	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	70	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	71	our $BDB_ENV_DIR = cf::localdir . "/db";
		72
		73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		75
		76	# used to convert map paths into valid unix filenames by replacing / by ∕
		77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		78
58	binmode STDOUT;	79	binmode STDOUT;
59	binmode STDERR;	80	binmode STDERR;
60		81
61	# read virtual server time, if available	82	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	89	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	90	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	91	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	92	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	93	mkdir $RANDOM_MAPS;
		94	mkdir $BDB_ENV_DIR;
73		95
74	# a special map that is always available	96	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		97
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	98	sub cf::map::normalise;
78		99
79	#############################################################################	100	#############################################################################
80		101
81	=head2 GLOBAL VARIABLES	102	=head2 GLOBAL VARIABLES
82		103
…		…
106		127
107	=item %cf::CFG	128	=item %cf::CFG
108		129
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	130	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	131	from wherever your confdir points to.
		132
		133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		134
		135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		137	processing has been done. Call C<< ->wait >> on them to maximise the
		138	window of cpu time available, or simply to synchronise to the server tick.
111		139
112	=back	140	=back
113		141
114	=cut	142	=cut
115		143
…		…
119	utf8::encode $msg;	147	utf8::encode $msg;
120		148
121	$msg .= "\n"	149	$msg .= "\n"
122	unless $msg =~ /\n$/;	150	unless $msg =~ /\n$/;
123		151
124	LOG llevError, "cfperl: $msg";	152	LOG llevError, $msg;
125	};	153	};
126	}	154	}
127		155
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		175
148	$Event::DIED = sub {	176	$Event::DIED = sub {
149	warn "error in event callback: @_";	177	warn "error in event callback: @_";
150	};	178	};
151		179
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	180	=head2 UTILITY FUNCTIONS
157		181
158	=over 4	182	=over 4
159		183
		184	=item dumpval $ref
		185
160	=cut	186	=cut
		187
		188	sub dumpval {
		189	eval {
		190	local $SIG{__DIE__};
		191	my $d;
		192	if (1) {
		193	$d = new Data::Dumper([$_[0]], ["*var"]);
		194	$d->Terse(1);
		195	$d->Indent(2);
		196	$d->Quotekeys(0);
		197	$d->Useqq(1);
		198	#$d->Bless(...);
		199	$d->Seen($_[1]) if @_ > 1;
		200	$d = $d->Dump();
		201	}
		202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		203	$d
		204	} || "[unable to dump $_[0]: '$@']";
		205	}
161		206
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	207	use JSON::Syck (); # TODO# replace by JSON::PC once working
163		208
164	=item $ref = cf::from_json $json	209	=item $ref = cf::from_json $json
165		210
…		…
180		225
181	sub to_json($) {	226	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	228	JSON::Syck::Dump $_[0]
184	}	229	}
		230
		231	=item cf::lock_wait $string
		232
		233	Wait until the given lock is available. See cf::lock_acquire.
		234
		235	=item my $lock = cf::lock_acquire $string
		236
		237	Wait until the given lock is available and then acquires it and returns
		238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		239	for example when the coroutine gets canceled), the lock is automatically
		240	returned.
		241
		242	Lock names should begin with a unique identifier (for example, cf::map::find
		243	uses map_find and cf::map::load uses map_load).
		244
		245	=cut
		246
		247	our %LOCK;
		248
		249	sub lock_wait($) {
		250	my ($key) = @_;
		251
		252	# wait for lock, if any
		253	while ($LOCK{$key}) {
		254	push @{ $LOCK{$key} }, $Coro::current;
		255	Coro::schedule;
		256	}
		257	}
		258
		259	sub lock_acquire($) {
		260	my ($key) = @_;
		261
		262	# wait, to be sure we are not locked
		263	lock_wait $key;
		264
		265	$LOCK{$key} = [];
		266
		267	Coro::guard {
		268	# wake up all waiters, to be on the safe side
		269	$_->ready for @{ delete $LOCK{$key} };
		270	}
		271	}
		272
		273	sub freeze_mainloop {
		274	return unless $TICK_WATCHER->is_active;
		275
		276	my $guard = Coro::guard {
		277	$TICK_WATCHER->start;
		278	$WRITE_RUNTIME_WATCHER->start;
		279	};
		280	$WRITE_RUNTIME_WATCHER->stop;
		281	$TICK_WATCHER->stop;
		282	$guard
		283	}
		284
		285	=item cf::async { BLOCK }
		286
		287	Currently the same as Coro::async_pool, meaning you cannot use
		288	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		289	thing you are allowed to do is call C<prio> on it.
		290
		291	=cut
		292
		293	BEGIN { *async = \&Coro::async_pool }
185		294
186	=item cf::sync_job { BLOCK }	295	=item cf::sync_job { BLOCK }
187		296
188	The design of crossfire+ requires that the main coro ($Coro::main) is	297	The design of crossfire+ requires that the main coro ($Coro::main) is
189	always able to handle events or runnable, as crossfire+ is only partly	298	always able to handle events or runnable, as crossfire+ is only partly
…		…
203	# this is the main coro, too bad, we have to block	312	# this is the main coro, too bad, we have to block
204	# till the operation succeeds, freezing the server :/	313	# till the operation succeeds, freezing the server :/
205		314
206	# TODO: use suspend/resume instead	315	# TODO: use suspend/resume instead
207	# (but this is cancel-safe)	316	# (but this is cancel-safe)
208	local $FREEZE = 1;	317	my $freeze_guard = freeze_mainloop;
209		318
210	my $busy = 1;	319	my $busy = 1;
211	my @res;	320	my @res;
212		321
213	(Coro::async {	322	(async {
214	@res = eval { $job->() };	323	@res = eval { $job->() };
215	warn $@ if $@;	324	warn $@ if $@;
216	undef $busy;	325	undef $busy;
217	})->prio (Coro::PRIO_MAX);	326	})->prio (Coro::PRIO_MAX);
218		327
219	while ($busy) {	328	while ($busy) {
220	Coro::cede_notself;	329	Coro::cede or Event::one_event;
221	Event::one_event unless Coro::nready;
222	}	330	}
223		331
224	wantarray ? @res : $res[0]	332	wantarray ? @res : $res[0]
225	} else {	333	} else {
226	# we are in another coroutine, how wonderful, everything just works	334	# we are in another coroutine, how wonderful, everything just works
227		335
228	$job->()	336	$job->()
229	}	337	}
230	}	338	}
231		339
232	=item $coro = cf::coro { BLOCK }	340	=item $coro = cf::async_ext { BLOCK }
233		341
234	Creates and returns a new coro. This coro is automcatially being canceled	342	Like async, but this coro is automatically being canceled when the
235	when the extension calling this is being unloaded.	343	extension calling this is being unloaded.
236		344
237	=cut	345	=cut
238		346
239	sub coro(&) {	347	sub async_ext(&) {
240	my $cb = shift;	348	my $cb = shift;
241		349
242	my $coro; $coro = async {	350	my $coro = &Coro::async ($cb);
243	eval {
244	$cb->();
245	};
246	warn $@ if $@;
247	};
248		351
249	$coro->on_destroy (sub {	352	$coro->on_destroy (sub {
250	delete $EXT_CORO{$coro+0};	353	delete $EXT_CORO{$coro+0};
251	});	354	});
252	$EXT_CORO{$coro+0} = $coro;	355	$EXT_CORO{$coro+0} = $coro;
…		…
258	my $runtime = cf::localdir . "/runtime";	361	my $runtime = cf::localdir . "/runtime";
259		362
260	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
261	or return;	364	or return;
262		365
		366	my $value = $cf::RUNTIME + 90 + 10;
263	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	367	# 10 is the runtime save interval, for a monotonic clock
		368	# 60 allows for the watchdog to kill the server.
		369
264	(aio_write $fh, 0, (length $value), $value, 0) <= 0	370	(aio_write $fh, 0, (length $value), $value, 0) <= 0
265	and return;	371	and return;
266		372
		373	# always fsync - this file is important
267	aio_fsync $fh	374	aio_fsync $fh
268	and return;	375	and return;
269		376
270	close $fh	377	close $fh
271	or return;	378	or return;
…		…
277	}	384	}
278		385
279	=back	386	=back
280		387
281	=cut	388	=cut
282
283	#############################################################################
284
285	package cf::path;
286
287	sub new {
288	my ($class, $path, $base) = @_;
289
290	$path = $path->as_string if ref $path;
291
292	my $self = bless { }, $class;
293
294	if ($path =~ s{^\?random/}{}) {
295	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
296	$self->{random} = cf::from_json $data;
297	} else {
298	if ($path =~ s{^~([^/]+)?}{}) {
299	$self->{user_rel} = 1;
300
301	if (defined $1) {
302	$self->{user} = $1;
303	} elsif ($base =~ m{^~([^/]+)/}) {
304	$self->{user} = $1;
305	} else {
306	warn "cannot resolve user-relative path without user <$path,$base>\n";
307	}
308	} elsif ($path =~ /^\//) {
309	# already absolute
310	} else {
311	$base =~ s{[^/]+/?$}{};
312	return $class->new ("$base/$path");
313	}
314
315	for ($path) {
316	redo if s{/\.?/}{/};
317	redo if s{/[^/]+/\.\./}{/};
318	}
319	}
320
321	$self->{path} = $path;
322
323	$self
324	}
325
326	# the name / primary key / in-game path
327	sub as_string {
328	my ($self) = @_;
329
330	$self->{user_rel} ? "~$self->{user}$self->{path}"
331	: $self->{random} ? "?random/$self->{path}"
332	: $self->{path}
333	}
334
335	# the displayed name, this is a one way mapping
336	sub visible_name {
337	my ($self) = @_;
338
339	# if (my $rmp = $self->{random}) {
340	# # todo: be more intelligent about this
341	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
342	# } else {
343	$self->as_string
344	# }
345	}
346
347	# escape the /'s in the path
348	sub _escaped_path {
349	# ∕ is U+2215
350	(my $path = $_[0]{path}) =~ s/\//∕/g;
351	$path
352	}
353
354	# the original (read-only) location
355	sub load_path {
356	my ($self) = @_;
357
358	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
359	}
360
361	# the temporary/swap location
362	sub save_path {
363	my ($self) = @_;
364
365	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
366	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
367	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
368	}
369
370	# the unique path, might be eq to save_path
371	sub uniq_path {
372	my ($self) = @_;
373
374	$self->{user_rel} || $self->{random}
375	? undef
376	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
377	}
378
379	# return random map parameters, or undef
380	sub random_map_params {
381	my ($self) = @_;
382
383	$self->{random}
384	}
385
386	# this is somewhat ugly, but style maps do need special treatment
387	sub is_style_map {
388	$_[0]{path} =~ m{^/styles/}
389	}
390
391	package cf;
392		389
393	#############################################################################	390	#############################################################################
394		391
395	=head2 ATTACHABLE OBJECTS	392	=head2 ATTACHABLE OBJECTS
396		393
…		…
522	our @CB_TYPE = (); # registry for type (cf-object class) based events	519	our @CB_TYPE = (); # registry for type (cf-object class) based events
523	our @CB_MAP = ();	520	our @CB_MAP = ();
524		521
525	my %attachment;	522	my %attachment;
526		523
		524	sub cf::attachable::thawer_merge {
		525	# simply override everything except _meta
		526	local $_[0]{_meta};
		527	%{$_[0]} = %{$_[1]};
		528	}
		529
527	sub _attach_cb($$$$) {	530	sub _attach_cb($$$$) {
528	my ($registry, $event, $prio, $cb) = @_;	531	my ($registry, $event, $prio, $cb) = @_;
529		532
530	use sort 'stable';	533	use sort 'stable';
531		534
…		…
702	# object support	705	# object support
703		706
704	sub reattach {	707	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	708	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	709	my ($obj) = @_;
		710
		711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
707		712
708	my $registry = $obj->registry;	713	my $registry = $obj->registry;
709		714
710	@$registry = ();	715	@$registry = ();
711		716
…		…
758	$filename, length $$rdata, scalar @$objs;	763	$filename, length $$rdata, scalar @$objs;
759		764
760	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
761	chmod SAVE_MODE, $fh;	766	chmod SAVE_MODE, $fh;
762	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
763	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	769	close $fh;
765		770
766	if (@$objs) {	771	if (@$objs) {
767	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
768	chmod SAVE_MODE, $fh;	773	chmod SAVE_MODE, $fh;
769	my $data = Storable::nfreeze { version => 1, objs => $objs };	774	my $data = Storable::nfreeze { version => 1, objs => $objs };
770	aio_write $fh, 0, (length $data), $data, 0;	775	aio_write $fh, 0, (length $data), $data, 0;
771	aio_fsync $fh;	776	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	777	close $fh;
773	aio_rename "$filename.pst~", "$filename.pst";	778	aio_rename "$filename.pst~", "$filename.pst";
774	}	779	}
775	} else {	780	} else {
776	aio_unlink "$filename.pst";	781	aio_unlink "$filename.pst";
…		…
782	}	787	}
783	} else {	788	} else {
784	aio_unlink $filename;	789	aio_unlink $filename;
785	aio_unlink "$filename.pst";	790	aio_unlink "$filename.pst";
786	}	791	}
		792
		793	#d##TODO# nuke non .map-files if exist
		794	if ($filename =~ s/\.map$//) {
		795	aio_unlink $filename;
		796	aio_unlink "$filename.pst";
		797	}
787	}	798	}
788	}	799	}
789		800
790	sub object_freezer_as_string {	801	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	802	my ($rdata, $objs) = @_;
…		…
797		808
798	sub object_thawer_load {	809	sub object_thawer_load {
799	my ($filename) = @_;	810	my ($filename) = @_;
800		811
801	my ($data, $av);	812	my ($data, $av);
		813
		814	#d#TODO remove .map if file does not exist
		815	aio_stat $filename and $filename =~ s/\.map$//;
802		816
803	(aio_load $filename, $data) >= 0	817	(aio_load $filename, $data) >= 0
804	or return;	818	or return;
805		819
806	unless (aio_stat "$filename.pst") {	820	unless (aio_stat "$filename.pst") {
807	(aio_load "$filename.pst", $av) >= 0	821	(aio_load "$filename.pst", $av) >= 0
808	or return;	822	or return;
809	$av = eval { (Storable::thaw $av)->{objs} };	823	$av = eval { (Storable::thaw $av)->{objs} };
810	}	824	}
811		825
		826	warn sprintf "loading %s (%d)\n",
		827	$filename, length $data, scalar @{$av || []};#d#
812	return ($data, $av);	828	return ($data, $av);
813	}	829	}
814		830
815	#############################################################################	831	#############################################################################
816	# command handling &c	832	# command handling &c
…		…
841	=cut	857	=cut
842		858
843	sub register_extcmd {	859	sub register_extcmd {
844	my ($name, $cb) = @_;	860	my ($name, $cb) = @_;
845		861
846	my $caller = caller;
847	#warn "registering extcmd '$name' to '$caller'";
848
849	$EXTCMD{$name} = [$cb, $caller];	862	$EXTCMD{$name} = $cb;
850	}	863	}
851		864
852	cf::player->attach (	865	cf::player->attach (
853	on_command => sub {	866	on_command => sub {
854	my ($pl, $name, $params) = @_;	867	my ($pl, $name, $params) = @_;
…		…
867		880
868	my $msg = eval { from_json $buf };	881	my $msg = eval { from_json $buf };
869		882
870	if (ref $msg) {	883	if (ref $msg) {
871	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
872	if (my %reply = $cb->[0]->($pl, $msg)) {	885	if (my %reply = $cb->($pl, $msg)) {
873	$pl->ext_reply ($msg->{msgid}, %reply);	886	$pl->ext_reply ($msg->{msgid}, %reply);
874	}	887	}
875	}	888	}
876	} else {	889	} else {
877	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
879		892
880	cf::override;	893	cf::override;
881	},	894	},
882	);	895	);
883		896
884	sub register {
885	my ($base, $pkg) = @_;
886
887	#TODO
888	}
889
890	sub load_extension {	897	sub load_extension {
891	my ($path) = @_;	898	my ($path) = @_;
892		899
893	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
894	my $base = $1;	901	my $base = $1;
895	my $pkg = $1;	902	my $pkg = $1;
896	$pkg =~ s/[^[:word:]]/_/g;	903	$pkg =~ s/[^[:word:]]/_/g;
897	$pkg = "ext::$pkg";	904	$pkg = "ext::$pkg";
898		905
899	warn "loading '$path' into '$pkg'\n";	906	warn "... loading '$path' into '$pkg'\n";
900		907
901	open my $fh, "<:utf8", $path	908	open my $fh, "<:utf8", $path
902	or die "$path: $!";	909	or die "$path: $!";
903		910
904	my $source =	911	my $source =
905	"package $pkg; use strict; use utf8;\n"	912	"package $pkg; use strict; use utf8;\n"
906	. "#line 1 \"$path\"\n{\n"	913	. "#line 1 \"$path\"\n{\n"
907	. (do { local $/; <$fh> })	914	. (do { local $/; <$fh> })
908	. "\n};\n1";	915	. "\n};\n1";
909		916
910	eval $source	917	unless (eval $source) {
911	or die $@ ? "$path: $@\n"	918	my $msg = $@ ? "$path: $@\n"
912	: "extension disabled.\n";	919	: "extension disabled.\n";
913		920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
914	push @exts, $pkg;	921	warn $@;
915	$ext_pkg{$base} = $pkg;	922	warn "mandatory extension failed to load, exiting.\n";
916		923	exit 1;
917	# no strict 'refs';	924	}
918	# @{"$pkg\::ISA"} = ext::;	925	die $@;
919
920	register $base, $pkg;
921	}
922
923	sub unload_extension {
924	my ($pkg) = @_;
925
926	warn "removing extension $pkg\n";
927
928	# remove hooks
929	#TODO
930	# for my $idx (0 .. $#PLUGIN_EVENT) {
931	# delete $hook[$idx]{$pkg};
932	# }	926	}
933		927
934	# remove commands	928	push @EXTS, $pkg;
935	for my $name (keys %COMMAND) {
936	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
937
938	if (@cb) {
939	$COMMAND{$name} = \@cb;
940	} else {
941	delete $COMMAND{$name};
942	}
943	}
944
945	# remove extcmds
946	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
947	delete $EXTCMD{$name};
948	}
949
950	if (my $cb = $pkg->can ("unload")) {
951	eval {
952	$cb->($pkg);
953	1
954	} or warn "$pkg unloaded, but with errors: $@";
955	}
956
957	Symbol::delete_package $pkg;
958	}	929	}
959		930
960	sub load_extensions {	931	sub load_extensions {
961	for my $ext (<$LIBDIR/*.ext>) {	932	for my $ext (<$LIBDIR/*.ext>) {
962	next unless -r $ext;	933	next unless -r $ext;
…		…
966	} or warn "$ext not loaded: $@";	937	} or warn "$ext not loaded: $@";
967	}	938	}
968	}	939	}
969		940
970	#############################################################################	941	#############################################################################
971	# load/save/clean perl data associated with a map
972
973	*cf::mapsupport::on_clean = sub {
974	my ($map) = @_;
975
976	my $path = $map->tmpname;
977	defined $path or return;
978
979	unlink "$path.pst";
980	};
981
982	cf::map->attach (prio => -10000, package => cf::mapsupport::);
983
984	#############################################################################
985	# load/save perl data associated with player->ob objects
986
987	sub all_objects(@) {
988	@_, map all_objects ($_->inv), @_
989	}
990
991	# TODO: compatibility cruft, remove when no longer needed
992	cf::player->attach (
993	on_load => sub {
994	my ($pl, $path) = @_;
995
996	for my $o (all_objects $pl->ob) {
997	if (my $value = $o->get_ob_key_value ("_perl_data")) {
998	$o->set_ob_key_value ("_perl_data");
999
1000	%$o = %{ Storable::thaw pack "H*", $value };
1001	}
1002	}
1003	},
1004	);
1005
1006	#############################################################################
1007		942
1008	=head2 CORE EXTENSIONS	943	=head2 CORE EXTENSIONS
1009		944
1010	Functions and methods that extend core crossfire objects.	945	Functions and methods that extend core crossfire objects.
1011		946
		947	=cut
		948
		949	package cf::player;
		950
		951	use Coro::AIO;
		952
1012	=head3 cf::player	953	=head3 cf::player
1013		954
1014	=over 4	955	=over 4
1015		956
1016	=item cf::player::exists $login	957	=item cf::player::find $login
1017		958
1018	Returns true when the given account exists.	959	Returns the given player object, loading it if necessary (might block).
1019		960
1020	=cut	961	=cut
1021		962
1022	sub cf::player::exists($) {	963	sub playerdir($) {
1023	cf::player::find $_[0]	964	cf::localdir
1024	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	965	. "/"
		966	. cf::playerdir
		967	. "/"
		968	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		969	}
		970
		971	sub path($) {
		972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		973
		974	(playerdir $login) . "/$login.pl"
		975	}
		976
		977	sub find_active($) {
		978	$cf::PLAYER{$_[0]}
		979	and $cf::PLAYER{$_[0]}->active
		980	and $cf::PLAYER{$_[0]}
		981	}
		982
		983	sub exists($) {
		984	my ($login) = @_;
		985
		986	$cf::PLAYER{$login}
		987	or cf::sync_job { !aio_stat path $login }
		988	}
		989
		990	sub find($) {
		991	return $cf::PLAYER{$_[0]} || do {
		992	my $login = $_[0];
		993
		994	my $guard = cf::lock_acquire "user_find:$login";
		995
		996	$cf::PLAYER{$_[0]} || do {
		997	my $pl = load_pl path $login
		998	or return;
		999	$cf::PLAYER{$login} = $pl
		1000	}
		1001	}
		1002	}
		1003
		1004	sub save($) {
		1005	my ($pl) = @_;
		1006
		1007	return if $pl->{deny_save};
		1008
		1009	my $path = path $pl;
		1010	my $guard = cf::lock_acquire "user_save:$path";
		1011
		1012	return if $pl->{deny_save};
		1013
		1014	aio_mkdir playerdir $pl, 0770;
		1015	$pl->{last_save} = $cf::RUNTIME;
		1016
		1017	$pl->save_pl ($path);
		1018	Coro::cede;
		1019	}
		1020
		1021	sub new($) {
		1022	my ($login) = @_;
		1023
		1024	my $self = create;
		1025
		1026	$self->ob->name ($login);
		1027	$self->{deny_save} = 1;
		1028
		1029	$cf::PLAYER{$login} = $self;
		1030
		1031	$self
		1032	}
		1033
		1034	=item $pl->quit_character
		1035
		1036	Nukes the player without looking back. If logged in, the connection will
		1037	be destroyed. May block for a long time.
		1038
		1039	=cut
		1040
		1041	sub quit_character {
		1042	my ($pl) = @_;
		1043
		1044	$pl->{deny_save} = 1;
		1045	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1046
		1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1048	$pl->deactivate;
		1049	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1050	$pl->ns->destroy if $pl->ns;
		1051
		1052	my $path = playerdir $pl;
		1053	my $temp = "$path~$cf::RUNTIME~deleting~";
		1054	aio_rename $path, $temp;
		1055	delete $cf::PLAYER{$pl->ob->name};
		1056	$pl->destroy;
		1057	IO::AIO::aio_rmtree $temp;
		1058	}
		1059
		1060	=item cf::player::list_logins
		1061
		1062	Returns am arrayref of all valid playernames in the system, can take a
		1063	while and may block, so not sync_job-capable, ever.
		1064
		1065	=cut
		1066
		1067	sub list_logins {
		1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1069	or return [];
		1070
		1071	my @logins;
		1072
		1073	for my $login (@$dirs) {
		1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1075	aio_read $fh, 0, 512, my $buf, 0 or next;
		1076	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1077
		1078	utf8::decode $login;
		1079	push @logins, $login;
		1080	}
		1081
		1082	\@logins
		1083	}
		1084
		1085	=item $player->maps
		1086
		1087	Returns an arrayref of map paths that are private for this
		1088	player. May block.
		1089
		1090	=cut
		1091
		1092	sub maps($) {
		1093	my ($pl) = @_;
		1094
		1095	$pl = ref $pl ? $pl->ob->name : $pl;
		1096
		1097	my $files = aio_readdir playerdir $pl
		1098	or return;
		1099
		1100	my @paths;
		1101
		1102	for (@$files) {
		1103	utf8::decode $_;
		1104	next if /\.(?:pl|pst)$/;
		1105	next unless /^$PATH_SEP/o;
		1106
		1107	push @paths, cf::map::normalise "~$pl/$_";
		1108	}
		1109
		1110	\@paths
1025	}	1111	}
1026		1112
1027	=item $player->ext_reply ($msgid, $msgtype, %msg)	1113	=item $player->ext_reply ($msgid, $msgtype, %msg)
1028		1114
1029	Sends an ext reply to the player.	1115	Sends an ext reply to the player.
1030		1116
1031	=cut	1117	=cut
1032		1118
1033	sub cf::player::ext_reply($$$%) {	1119	sub ext_reply($$$%) {
1034	my ($self, $id, %msg) = @_;	1120	my ($self, $id, %msg) = @_;
1035		1121
1036	$msg{msgid} = $id;	1122	$msg{msgid} = $id;
1037		1123
1038	$self->send ("ext " . to_json \%msg);	1124	$self->send ("ext " . cf::to_json \%msg);
1039	}	1125	}
		1126
		1127	package cf;
1040		1128
1041	=back	1129	=back
1042		1130
1043		1131
1044	=head3 cf::map	1132	=head3 cf::map
…		…
1050	package cf::map;	1138	package cf::map;
1051		1139
1052	use Fcntl;	1140	use Fcntl;
1053	use Coro::AIO;	1141	use Coro::AIO;
1054		1142
		1143	use overload
		1144	'""' => \&as_string,
		1145	fallback => 1;
		1146
1055	our $MAX_RESET = 7200;	1147	our $MAX_RESET = 3600;
1056	our $DEFAULT_RESET = 3600;	1148	our $DEFAULT_RESET = 3000;
1057		1149
1058	sub generate_random_map {	1150	sub generate_random_map {
1059	my ($path, $rmp) = @_;	1151	my ($self, $rmp) = @_;
1060
1061	# mit "rum" bekleckern, nicht	1152	# mit "rum" bekleckern, nicht
1062	cf::map::_create_random_map	1153	$self->_create_random_map (
1063	$path,
1064	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1154	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1065	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1155	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1066	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1156	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1067	$rmp->{exit_on_final_map},	1157	$rmp->{exit_on_final_map},
1068	$rmp->{xsize}, $rmp->{ysize},	1158	$rmp->{xsize}, $rmp->{ysize},
1069	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1159	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1070	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1160	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1071	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1161	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1072	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1162	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1073	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1163	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1074	(cf::region::find $rmp->{region})	1164	(cf::region::find $rmp->{region}), $rmp->{custom}
		1165	)
		1166	}
		1167
		1168	=item cf::map->register ($regex, $prio)
		1169
		1170	Register a handler for the map path matching the given regex at the
		1171	givne priority (higher is better, built-in handlers have priority 0, the
		1172	default).
		1173
		1174	=cut
		1175
		1176	sub register {
		1177	my (undef, $regex, $prio) = @_;
		1178	my $pkg = caller;
		1179
		1180	no strict;
		1181	push @{"$pkg\::ISA"}, __PACKAGE__;
		1182
		1183	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1184	}
		1185
		1186	# also paths starting with '/'
		1187	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1188
		1189	sub thawer_merge {
		1190	my ($self, $merge) = @_;
		1191
		1192	# we have to keep some variables in memory intact
		1193	local $self->{path};
		1194	local $self->{load_path};
		1195	local $self->{deny_save};
		1196	local $self->{deny_reset};
		1197
		1198	$self->SUPER::thawer_merge ($merge);
		1199	}
		1200
		1201	sub normalise {
		1202	my ($path, $base) = @_;
		1203
		1204	$path = "$path"; # make sure its a string
		1205
		1206	$path =~ s/\.map$//;
		1207
		1208	# map plan:
		1209	#
		1210	# /! non-realised random map exit (special hack!)
		1211	# {... are special paths that are not being touched
		1212	# ?xxx/... are special absolute paths
		1213	# ?random/... random maps
		1214	# /... normal maps
		1215	# ~user/... per-player map of a specific user
		1216
		1217	$path =~ s/$PATH_SEP/\//go;
		1218
		1219	# treat it as relative path if it starts with
		1220	# something that looks reasonable
		1221	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1222	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1223
		1224	$base =~ s{[^/]+/?$}{};
		1225	$path = "$base/$path";
		1226	}
		1227
		1228	for ($path) {
		1229	redo if s{//}{/};
		1230	redo if s{/\.?/}{/};
		1231	redo if s{/[^/]+/\.\./}{/};
		1232	}
		1233
		1234	$path
		1235	}
		1236
		1237	sub new_from_path {
		1238	my (undef, $path, $base) = @_;
		1239
		1240	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1241
		1242	$path = normalise $path, $base;
		1243
		1244	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1245	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1246	my $self = bless cf::map::new, $pkg;
		1247	$self->{path} = $path; $self->path ($path);
		1248	$self->init; # pass $1 etc.
		1249	return $self;
		1250	}
		1251	}
		1252
		1253	Carp::carp "unable to resolve path '$path' (base '$base').";
		1254	()
		1255	}
		1256
		1257	sub init {
		1258	my ($self) = @_;
		1259
		1260	$self
		1261	}
		1262
		1263	sub as_string {
		1264	my ($self) = @_;
		1265
		1266	"$self->{path}"
		1267	}
		1268
		1269	# the displayed name, this is a one way mapping
		1270	sub visible_name {
		1271	&as_string
		1272	}
		1273
		1274	# the original (read-only) location
		1275	sub load_path {
		1276	my ($self) = @_;
		1277
		1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1279	}
		1280
		1281	# the temporary/swap location
		1282	sub save_path {
		1283	my ($self) = @_;
		1284
		1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1287	}
		1288
		1289	# the unique path, undef == no special unique path
		1290	sub uniq_path {
		1291	my ($self) = @_;
		1292
		1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1075	}	1295	}
1076		1296
1077	# and all this just because we cannot iterate over	1297	# and all this just because we cannot iterate over
1078	# all maps in C++...	1298	# all maps in C++...
1079	sub change_all_map_light {	1299	sub change_all_map_light {
1080	my ($change) = @_;	1300	my ($change) = @_;
1081		1301
1082	$_->change_map_light ($change) for values %cf::MAP;	1302	$_->change_map_light ($change)
		1303	for grep $_->outdoor, values %cf::MAP;
1083	}	1304	}
1084		1305
		1306	sub unlink_save {
		1307	my ($self) = @_;
		1308
		1309	utf8::encode (my $save = $self->save_path);
		1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1312
		1313	#d#TODO remove .map and also nuke
		1314	$save =~ s/\.map// or return;#d#
		1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1317	}
		1318
1085	sub try_load_header($) {	1319	sub load_header_from($) {
1086	my ($path) = @_;	1320	my ($self, $path) = @_;
1087		1321
1088	utf8::encode $path;	1322	utf8::encode $path;
1089	aio_open $path, O_RDONLY, 0	1323	#aio_open $path, O_RDONLY, 0
		1324	# or return;
		1325
		1326	$self->_load_header ($path)
1090	or return;	1327	or return;
1091		1328
1092	my $map = cf::map::new	1329	$self->{load_path} = $path;
		1330
		1331	1
		1332	}
		1333
		1334	sub load_header_orig {
		1335	my ($self) = @_;
		1336
		1337	$self->load_header_from ($self->load_path)
		1338	}
		1339
		1340	sub load_header_temp {
		1341	my ($self) = @_;
		1342
		1343	$self->load_header_from ($self->save_path)
		1344	}
		1345
		1346	sub prepare_temp {
		1347	my ($self) = @_;
		1348
		1349	$self->last_access ((delete $self->{last_access})
		1350	|| $cf::RUNTIME); #d#
		1351	# safety
		1352	$self->{instantiate_time} = $cf::RUNTIME
		1353	if $self->{instantiate_time} > $cf::RUNTIME;
		1354	}
		1355
		1356	sub prepare_orig {
		1357	my ($self) = @_;
		1358
		1359	$self->{load_original} = 1;
		1360	$self->{instantiate_time} = $cf::RUNTIME;
		1361	$self->last_access ($cf::RUNTIME);
		1362	$self->instantiate;
		1363	}
		1364
		1365	sub load_header {
		1366	my ($self) = @_;
		1367
		1368	if ($self->load_header_temp) {
		1369	$self->prepare_temp;
		1370	} else {
		1371	$self->load_header_orig
1093	or return;	1372	or return;
		1373	$self->prepare_orig;
		1374	}
1094		1375
1095	$map->load_header ($path)	1376	1
1096	or return;
1097
1098	$map->{load_path} = $path;
1099
1100	$map
1101	}	1377	}
1102		1378
		1379	sub find;
1103	sub find_map {	1380	sub find {
1104	my ($path, $origin) = @_;	1381	my ($path, $origin) = @_;
1105		1382
1106	#warn "find_map<$path,$origin>\n";#d#
1107
1108	$path = new cf::path $path, $origin && $origin->path;	1383	$path = normalise $path, $origin && $origin->path;
1109	my $key = $path->as_string;
1110		1384
		1385	cf::lock_wait "map_find:$path";
		1386
1111	$cf::MAP{$key} || do {	1387	$cf::MAP{$path} || do {
1112	# do it the slow way	1388	my $guard = cf::lock_acquire "map_find:$path";
1113	my $map = try_load_header $path->save_path;	1389	my $map = new_from_path cf::map $path
1114
1115	if ($map) {
1116	# safety
1117	$map->{instantiate_time} = $cf::RUNTIME
1118	if $map->{instantiate_time} > $cf::RUNTIME;
1119	} else {
1120	if (my $rmp = $path->random_map_params) {
1121	$map = generate_random_map $key, $rmp;
1122	} else {
1123	$map = try_load_header $path->load_path;
1124	}
1125
1126	$map or return;	1390	or return;
1127		1391
1128	$map->{load_original} = 1;
1129	$map->{instantiate_time} = $cf::RUNTIME;
1130	$map->instantiate;
1131
1132	# per-player maps become, after loading, normal maps
1133	$map->per_player (0) if $path->{user_rel};
1134	}
1135
1136	$map->path ($key);
1137	$map->{path} = $path;
1138	$map->last_access ($cf::RUNTIME);	1392	$map->{last_save} = $cf::RUNTIME;
1139		1393
1140	if ($map->should_reset) {	1394	$map->load_header
		1395	or return;
		1396
		1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1398	# doing this can freeze the server in a sync job, obviously
		1399	#$cf::WAIT_FOR_TICK->wait;
1141	$map->reset;	1400	$map->reset;
1142	$map = find_map $path;	1401	undef $guard;
		1402	return find $path;
1143	}	1403	}
1144		1404
1145	$cf::MAP{$key} = $map	1405	$cf::MAP{$path} = $map
1146	}	1406	}
1147	}	1407	}
		1408
		1409	sub pre_load { }
		1410	sub post_load { }
1148		1411
1149	sub load {	1412	sub load {
1150	my ($self) = @_;	1413	my ($self) = @_;
1151		1414
		1415	local $self->{deny_reset} = 1; # loading can take a long time
		1416
		1417	my $path = $self->{path};
		1418	my $guard = cf::lock_acquire "map_load:$path";
		1419
1152	return if $self->in_memory != cf::MAP_SWAPPED;	1420	return if $self->in_memory != cf::MAP_SWAPPED;
1153		1421
1154	$self->in_memory (cf::MAP_LOADING);	1422	$self->in_memory (cf::MAP_LOADING);
1155		1423
1156	my $path = $self->{path};
1157
1158	$self->alloc;	1424	$self->alloc;
		1425
		1426	$self->pre_load;
		1427
1159	$self->load_objects ($self->{load_path}, 1)	1428	$self->_load_objects ($self->{load_path}, 1)
1160	or return;	1429	or return;
1161		1430
1162	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1163	if delete $self->{load_original};	1432	if delete $self->{load_original};
1164		1433
1165	if (my $uniq = $path->uniq_path) {	1434	if (my $uniq = $self->uniq_path) {
1166	utf8::encode $uniq;	1435	utf8::encode $uniq;
1167	if (aio_open $uniq, O_RDONLY, 0) {	1436	if (aio_open $uniq, O_RDONLY, 0) {
1168	$self->clear_unique_items;	1437	$self->clear_unique_items;
1169	$self->load_objects ($uniq, 0);	1438	$self->_load_objects ($uniq, 0);
1170	}	1439	}
1171	}	1440	}
		1441
		1442	Coro::cede;
1172		1443
1173	# now do the right thing for maps	1444	# now do the right thing for maps
1174	$self->link_multipart_objects;	1445	$self->link_multipart_objects;
1175		1446
1176	if ($self->{path}->is_style_map) {	1447	unless ($self->{deny_activate}) {
1177	$self->{deny_save} = 1;	1448	$self->decay_objects;
1178	$self->{deny_reset} = 1;
1179	} else {
1180	$self->fix_auto_apply;	1449	$self->fix_auto_apply;
1181	$self->decay_objects;
1182	$self->update_buttons;	1450	$self->update_buttons;
		1451	Coro::cede;
1183	$self->set_darkness_map;	1452	$self->set_darkness_map;
1184	$self->difficulty ($self->estimate_difficulty)	1453	$self->difficulty ($self->estimate_difficulty)
1185	unless $self->difficulty;	1454	unless $self->difficulty;
		1455	Coro::cede;
1186	$self->activate;	1456	$self->activate;
1187	}	1457	}
1188		1458
		1459	$self->post_load;
		1460
1189	$self->in_memory (cf::MAP_IN_MEMORY);	1461	$self->in_memory (cf::MAP_IN_MEMORY);
1190	}	1462	}
1191		1463
1192	sub load_map_sync {	1464	sub customise_for {
		1465	my ($self, $ob) = @_;
		1466
		1467	return find "~" . $ob->name . "/" . $self->{path}
		1468	if $self->per_player;
		1469
		1470	$self
		1471	}
		1472
		1473	# find and load all maps in the 3x3 area around a map
		1474	sub load_diag {
		1475	my ($map) = @_;
		1476
		1477	my @diag; # diagonal neighbours
		1478
		1479	for (0 .. 3) {
		1480	my $neigh = $map->tile_path ($_)
		1481	or next;
		1482	$neigh = find $neigh, $map
		1483	or next;
		1484	$neigh->load;
		1485
		1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1488	}
		1489
		1490	for (@diag) {
		1491	my $neigh = find @$_
		1492	or next;
		1493	$neigh->load;
		1494	}
		1495	}
		1496
		1497	sub find_sync {
1193	my ($path, $origin) = @_;	1498	my ($path, $origin) = @_;
1194		1499
1195	#warn "load_map_sync<$path, $origin>\n";#d#	1500	cf::sync_job { find $path, $origin }
		1501	}
1196		1502
1197	cf::sync_job {	1503	sub do_load_sync {
1198	my $map = cf::map::find_map $path, $origin	1504	my ($map) = @_;
1199	or return;	1505
		1506	cf::sync_job { $map->load };
		1507	}
		1508
		1509	our %MAP_PREFETCH;
		1510	our $MAP_PREFETCHER = undef;
		1511
		1512	sub find_async {
		1513	my ($path, $origin) = @_;
		1514
		1515	$path = normalise $path, $origin && $origin->{path};
		1516
		1517	if (my $map = $cf::MAP{$path}) {
		1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1519	}
		1520
		1521	undef $MAP_PREFETCH{$path};
		1522	$MAP_PREFETCHER ||= cf::async {
		1523	while (%MAP_PREFETCH) {
		1524	for my $path (keys %MAP_PREFETCH) {
		1525	my $map = find $path
		1526	or next;
1200	$map->load;	1527	$map->load;
1201	$map	1528
		1529	delete $MAP_PREFETCH{$path};
		1530	}
		1531	}
		1532	undef $MAP_PREFETCHER;
1202	}	1533	};
		1534	$MAP_PREFETCHER->prio (6);
		1535
		1536	()
1203	}	1537	}
1204		1538
1205	sub save {	1539	sub save {
1206	my ($self) = @_;	1540	my ($self) = @_;
1207		1541
1208	my $save = $self->{path}->save_path; utf8::encode $save;	1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1209	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1210		1543
1211	$self->{last_save} = $cf::RUNTIME;	1544	$self->{last_save} = $cf::RUNTIME;
1212		1545
1213	return unless $self->dirty;	1546	return unless $self->dirty;
1214		1547
		1548	my $save = $self->save_path; utf8::encode $save;
		1549	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1550
1215	$self->{load_path} = $save;	1551	$self->{load_path} = $save;
1216		1552
1217	return if $self->{deny_save};	1553	return if $self->{deny_save};
1218		1554
		1555	local $self->{last_access} = $self->last_access;#d#
		1556
		1557	cf::async {
		1558	$_->contr->save for $self->players;
		1559	};
		1560
1219	if ($uniq) {	1561	if ($uniq) {
1220	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1221	$self->save_objects ($uniq, cf::IO_UNIQUES);	1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1222	} else {	1564	} else {
1223	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1565	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1224	}	1566	}
1225	}	1567	}
1226		1568
1227	sub swap_out {	1569	sub swap_out {
1228	my ($self) = @_;	1570	my ($self) = @_;
		1571
		1572	# save first because save cedes
		1573	$self->save;
		1574
		1575	my $lock = cf::lock_acquire "map_data:" . $self->path;
1229		1576
1230	return if $self->players;	1577	return if $self->players;
1231	return if $self->in_memory != cf::MAP_IN_MEMORY;	1578	return if $self->in_memory != cf::MAP_IN_MEMORY;
1232	return if $self->{deny_save};	1579	return if $self->{deny_save};
1233		1580
1234	$self->save;
1235	$self->clear;	1581	$self->clear;
1236	$self->in_memory (cf::MAP_SWAPPED);	1582	$self->in_memory (cf::MAP_SWAPPED);
1237	}	1583	}
1238		1584
1239	sub reset_at {	1585	sub reset_at {
1240	my ($self) = @_;	1586	my ($self) = @_;
1241		1587
1242	# TODO: safety, remove and allow resettable per-player maps	1588	# TODO: safety, remove and allow resettable per-player maps
1243	return 1e100 if $self->{path}{user_rel};	1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1244	return 1e100 if $self->{deny_reset};	1590	return 1e99 if $self->{deny_reset};
1245		1591
1246	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1247	my $to = $self->reset_timeout || $DEFAULT_RESET;	1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1248	$to = $MAX_RESET if $to > $MAX_RESET;
1249		1594
1250	$time + $to	1595	$time + $to
1251	}	1596	}
1252		1597
1253	sub should_reset {	1598	sub should_reset {
1254	my ($self) = @_;	1599	my ($self) = @_;
1255		1600
1256	$self->reset_at <= $cf::RUNTIME	1601	$self->reset_at <= $cf::RUNTIME
1257	}	1602	}
1258		1603
1259	sub unlink_save {
1260	my ($self) = @_;
1261
1262	utf8::encode (my $save = $self->{path}->save_path);
1263	aioreq_pri 3; IO::AIO::aio_unlink $save;
1264	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1265	}
1266
1267	sub rename {
1268	my ($self, $new_path) = @_;
1269
1270	$self->unlink_save;
1271
1272	delete $cf::MAP{$self->path};
1273	$self->{path} = new cf::path $new_path;
1274	$self->path ($self->{path}->path);
1275	$cf::MAP{$self->path} = $self;
1276
1277	$self->save;
1278	}
1279
1280	sub reset {	1604	sub reset {
1281	my ($self) = @_;	1605	my ($self) = @_;
1282		1606
		1607	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1608
1283	return if $self->players;	1609	return if $self->players;
1284	return if $self->{path}{user_rel};#d#	1610	return if $self->isa ("ext::map_per_player");#d#
1285		1611
1286	warn "resetting map ", $self->path;#d#	1612	warn "resetting map ", $self->path;#d#
1287		1613
		1614	$self->in_memory (cf::MAP_SWAPPED);
		1615
		1616	# need to save uniques path
		1617	unless ($self->{deny_save}) {
		1618	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1619
		1620	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1621	if $uniq;
		1622	}
		1623
1288	delete $cf::MAP{$self->path};	1624	delete $cf::MAP{$self->path};
		1625
		1626	$self->clear;
1289		1627
1290	$_->clear_links_to ($self) for values %cf::MAP;	1628	$_->clear_links_to ($self) for values %cf::MAP;
1291		1629
1292	$self->unlink_save;	1630	$self->unlink_save;
1293	$self->destroy;	1631	$self->destroy;
1294	}	1632	}
1295		1633
1296	sub customise_for {	1634	my $nuke_counter = "aaaa";
1297	my ($map, $ob) = @_;
1298		1635
1299	if ($map->per_player) {	1636	sub nuke {
1300	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1637	my ($self) = @_;
1301	}
1302		1638
1303	$map	1639	delete $cf::MAP{$self->path};
1304	}
1305		1640
1306	sub emergency_save {	1641	$self->unlink_save;
1307	local $cf::FREEZE = 1;
1308		1642
1309	warn "enter emergency map save\n";	1643	bless $self, "cf::map";
		1644	delete $self->{deny_reset};
		1645	$self->{deny_save} = 1;
		1646	$self->reset_timeout (1);
		1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1310		1648
1311	cf::sync_job {	1649	$cf::MAP{$self->path} = $self;
1312	warn "begin emergency map save\n";	1650
1313	$_->save for values %cf::MAP;	1651	$self->reset; # polite request, might not happen
		1652	}
		1653
		1654	=item cf::map::unique_maps
		1655
		1656	Returns an arrayref of paths of all shared maps that have
		1657	instantiated unique items. May block.
		1658
		1659	=cut
		1660
		1661	sub unique_maps() {
		1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1663	or return;
		1664
		1665	my @paths;
		1666
		1667	for (@$files) {
		1668	utf8::decode $_;
		1669	next if /\.pst$/;
		1670	next unless /^$PATH_SEP/o;
		1671
		1672	push @paths, cf::map::normalise $_;
1314	};	1673	}
1315		1674
1316	warn "end emergency map save\n";	1675	\@paths
1317	}	1676	}
1318		1677
1319	package cf;	1678	package cf;
1320		1679
1321	=back	1680	=back
1322		1681
		1682	=head3 cf::object
		1683
		1684	=cut
		1685
		1686	package cf::object;
		1687
		1688	=over 4
		1689
		1690	=item $ob->inv_recursive
		1691
		1692	Returns the inventory of the object _and_ their inventories, recursively.
		1693
		1694	=cut
		1695
		1696	sub inv_recursive_;
		1697	sub inv_recursive_ {
		1698	map { $_, inv_recursive_ $_->inv } @_
		1699	}
		1700
		1701	sub inv_recursive {
		1702	inv_recursive_ inv $_[0]
		1703	}
		1704
		1705	package cf;
		1706
		1707	=back
1323		1708
1324	=head3 cf::object::player	1709	=head3 cf::object::player
1325		1710
1326	=over 4	1711	=over 4
1327		1712
…		…
1363	(ref $cf::CFG{"may_$access"}	1748	(ref $cf::CFG{"may_$access"}
1364	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1749	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1365	: $cf::CFG{"may_$access"})	1750	: $cf::CFG{"may_$access"})
1366	}	1751	}
1367		1752
		1753	=item $player_object->enter_link
		1754
		1755	Freezes the player and moves him/her to a special map (C<{link}>).
		1756
		1757	The player should be reasonably safe there for short amounts of time. You
		1758	I<MUST> call C<leave_link> as soon as possible, though.
		1759
		1760	Will never block.
		1761
		1762	=item $player_object->leave_link ($map, $x, $y)
		1763
		1764	Moves the player out of the special C<{link}> map onto the specified
		1765	map. If the map is not valid (or omitted), the player will be moved back
		1766	to the location he/she was before the call to C<enter_link>, or, if that
		1767	fails, to the emergency map position.
		1768
		1769	Might block.
		1770
		1771	=cut
		1772
		1773	sub link_map {
		1774	unless ($LINK_MAP) {
		1775	$LINK_MAP = cf::map::find "{link}"
		1776	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1777	$LINK_MAP->load;
		1778	}
		1779
		1780	$LINK_MAP
		1781	}
		1782
1368	sub cf::object::player::enter_link {	1783	sub cf::object::player::enter_link {
1369	my ($self) = @_;	1784	my ($self) = @_;
1370		1785
1371	return if $self->map == $LINK_MAP;	1786	$self->deactivate_recursive;
1372		1787
		1788	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1789
1373	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1374	if $self->map;	1791	if $self->map;
1375		1792
1376	$self->enter_map ($LINK_MAP, 20, 20);	1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1377	$self->deactivate_recursive;
1378	}	1794	}
1379		1795
1380	sub cf::object::player::leave_link {	1796	sub cf::object::player::leave_link {
1381	my ($self, $map, $x, $y) = @_;	1797	my ($self, $map, $x, $y) = @_;
1382		1798
1383	my $link_pos = delete $self->{_link_pos};	1799	my $link_pos = delete $self->{_link_pos};
1384		1800
1385	unless ($map) {	1801	unless ($map) {
1386	$self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1387
1388	# restore original map position	1802	# restore original map position
1389	($map, $x, $y) = @{ $link_pos || [] };	1803	($map, $x, $y) = @{ $link_pos || [] };
1390	$map = cf::map::find_map $map;	1804	$map = cf::map::find $map;
1391		1805
1392	unless ($map) {	1806	unless ($map) {
1393	($map, $x, $y) = @$EMERGENCY_POSITION;	1807	($map, $x, $y) = @$EMERGENCY_POSITION;
1394	$map = cf::map::find_map $map	1808	$map = cf::map::find $map
1395	or die "FATAL: cannot load emergency map\n";	1809	or die "FATAL: cannot load emergency map\n";
1396	}	1810	}
1397	}	1811	}
1398		1812
1399	($x, $y) = (-1, -1)	1813	($x, $y) = (-1, -1)
…		…
1402	# use -1 or undef as default coordinates, not 0, 0	1816	# use -1 or undef as default coordinates, not 0, 0
1403	($x, $y) = ($map->enter_x, $map->enter_y)	1817	($x, $y) = ($map->enter_x, $map->enter_y)
1404	if $x <=0 && $y <= 0;	1818	if $x <=0 && $y <= 0;
1405		1819
1406	$map->load;	1820	$map->load;
		1821	$map->load_diag;
1407		1822
		1823	return unless $self->contr->active;
1408	$self->activate_recursive;	1824	$self->activate_recursive;
1409	$self->enter_map ($map, $x, $y);	1825	$self->enter_map ($map, $x, $y);
1410	}	1826	}
1411		1827
		1828	cf::player->attach (
		1829	on_logout => sub {
		1830	my ($pl) = @_;
		1831
		1832	# abort map switching before logout
		1833	if ($pl->ob->{_link_pos}) {
		1834	cf::sync_job {
		1835	$pl->ob->leave_link
		1836	};
		1837	}
		1838	},
		1839	on_login => sub {
		1840	my ($pl) = @_;
		1841
		1842	# try to abort aborted map switching on player login :)
		1843	# should happen only on crashes
		1844	if ($pl->ob->{_link_pos}) {
		1845	$pl->ob->enter_link;
		1846	(async {
		1847	# we need this sleep as the login has a concurrent enter_exit running
		1848	# and this sleep increases chances of the player not ending up in scorn
		1849	$pl->ob->reply (undef,
		1850	"There was an internal problem at your last logout, "
		1851	. "the server will try to bring you to your intended destination in a second.",
		1852	cf::NDI_RED);
		1853	Coro::Timer::sleep 1;
		1854	$pl->ob->leave_link;
		1855	})->prio (2);
		1856	}
		1857	},
		1858	);
		1859
1412	=item $player_object->goto_map ($map, $x, $y)	1860	=item $player_object->goto ($path, $x, $y)
1413		1861
1414	=cut	1862	=cut
1415		1863
1416	sub cf::object::player::goto_map {	1864	sub cf::object::player::goto {
1417	my ($self, $path, $x, $y) = @_;	1865	my ($self, $path, $x, $y) = @_;
1418		1866
1419	$self->enter_link;	1867	$self->enter_link;
1420		1868
1421	(Coro::async {	1869	(async {
1422	$path = new cf::path $path;	1870	my $map = eval {
1423
1424	my $map = cf::map::find_map $path->as_string;	1871	my $map = cf::map::find $path;
1425	$map = $map->customise_for ($self) if $map;	1872	$map = $map->customise_for ($self) if $map;
1426
1427	warn "entering ", $map->path, " at ($x, $y)\n"
1428	if $map;	1873	$map
		1874	} or
		1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1429		1876
1430	$self->leave_link ($map, $x, $y);	1877	$self->leave_link ($map, $x, $y);
1431	})->prio (1);	1878	})->prio (1);
1432	}	1879	}
1433		1880
…		…
1437		1884
1438	sub parse_random_map_params {	1885	sub parse_random_map_params {
1439	my ($spec) = @_;	1886	my ($spec) = @_;
1440		1887
1441	my $rmp = { # defaults	1888	my $rmp = { # defaults
1442	xsize => 10,	1889	xsize => (cf::rndm 15, 40),
1443	ysize => 10,	1890	ysize => (cf::rndm 15, 40),
		1891	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1892	#layout => string,
1444	};	1893	};
1445		1894
1446	for (split /\n/, $spec) {	1895	for (split /\n/, $spec) {
1447	my ($k, $v) = split /\s+/, $_, 2;	1896	my ($k, $v) = split /\s+/, $_, 2;
1448		1897
…		…
1452	$rmp	1901	$rmp
1453	}	1902	}
1454		1903
1455	sub prepare_random_map {	1904	sub prepare_random_map {
1456	my ($exit) = @_;	1905	my ($exit) = @_;
		1906
		1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1457		1908
1458	# all this does is basically replace the /! path by	1909	# all this does is basically replace the /! path by
1459	# a new random map path (?random/...) with a seed	1910	# a new random map path (?random/...) with a seed
1460	# that depends on the exit object	1911	# that depends on the exit object
1461		1912
1462	my $rmp = parse_random_map_params $exit->msg;	1913	my $rmp = parse_random_map_params $exit->msg;
1463		1914
1464	if ($exit->map) {	1915	if ($exit->map) {
1465	$rmp->{region} = $exit->map->region_name;	1916	$rmp->{region} = $exit->region->name;
1466	$rmp->{origin_map} = $exit->map->path;	1917	$rmp->{origin_map} = $exit->map->path;
1467	$rmp->{origin_x} = $exit->x;	1918	$rmp->{origin_x} = $exit->x;
1468	$rmp->{origin_y} = $exit->y;	1919	$rmp->{origin_y} = $exit->y;
1469	}	1920	}
1470		1921
1471	$rmp->{random_seed} ||= $exit->random_seed;	1922	$rmp->{random_seed} ||= $exit->random_seed;
1472		1923
1473	my $data = cf::to_json $rmp;	1924	my $data = cf::to_json $rmp;
1474	my $md5 = Digest::MD5::md5_hex $data;	1925	my $md5 = Digest::MD5::md5_hex $data;
		1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1475		1927
1476	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1477	aio_write $fh, 0, (length $data), $data, 0;	1929	aio_write $fh, 0, (length $data), $data, 0;
		1930	undef $fh;
		1931	aio_rename "$meta~", $meta;
1478		1932
1479	$exit->slaying ("?random/$md5");	1933	$exit->slaying ("?random/$md5");
1480	$exit->msg (undef);	1934	$exit->msg (undef);
1481	}	1935	}
1482	}	1936	}
…		…
1484	sub cf::object::player::enter_exit {	1938	sub cf::object::player::enter_exit {
1485	my ($self, $exit) = @_;	1939	my ($self, $exit) = @_;
1486		1940
1487	return unless $self->type == cf::PLAYER;	1941	return unless $self->type == cf::PLAYER;
1488		1942
		1943	if ($exit->slaying eq "/!") {
		1944	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1945	cf::sync_job { prepare_random_map $exit };
		1946	}
		1947
		1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1949	my $hp = $exit->stats->hp;
		1950	my $sp = $exit->stats->sp;
		1951
1489	$self->enter_link;	1952	$self->enter_link;
1490		1953
1491	(Coro::async {	1954	(async {
		1955	$self->deactivate_recursive; # just to be sure
1492	unless (eval {	1956	unless (eval {
1493		1957	$self->goto ($slaying, $hp, $sp);
1494	prepare_random_map $exit
1495	if $exit->slaying eq "/!";
1496
1497	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1498	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1499		1958
1500	1;	1959	1;
1501	}) {	1960	}) {
1502	$self->message ("Something went wrong deep within the crossfire server. "	1961	$self->message ("Something went wrong deep within the crossfire server. "
1503	. "I'll try to bring you back to the map you were before. "	1962	. "I'll try to bring you back to the map you were before. "
1504	. "Please report this to the dungeon master",	1963	. "Please report this to the dungeon master!",
1505	cf::NDI_UNIQUE | cf::NDI_RED);	1964	cf::NDI_UNIQUE | cf::NDI_RED);
1506		1965
1507	warn "ERROR in enter_exit: $@";	1966	warn "ERROR in enter_exit: $@";
1508	$self->leave_link;	1967	$self->leave_link;
1509	}	1968	}
…		…
1560	on_reply => sub {	2019	on_reply => sub {
1561	my ($ns, $msg) = @_;	2020	my ($ns, $msg) = @_;
1562		2021
1563	# this weird shuffling is so that direct followup queries	2022	# this weird shuffling is so that direct followup queries
1564	# get handled first	2023	# get handled first
1565	my $queue = delete $ns->{query_queue};	2024	my $queue = delete $ns->{query_queue}
		2025	or return; # be conservative, not sure how that can happen, but we saw a crash here
1566		2026
1567	(shift @$queue)->[1]->($msg);	2027	(shift @$queue)->[1]->($msg);
		2028	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1568		2029
1569	push @{ $ns->{query_queue} }, @$queue;	2030	push @{ $ns->{query_queue} }, @$queue;
1570		2031
1571	if (@{ $ns->{query_queue} } == @$queue) {	2032	if (@{ $ns->{query_queue} } == @$queue) {
1572	if (@$queue) {	2033	if (@$queue) {
…		…
1576	}	2037	}
1577	}	2038	}
1578	},	2039	},
1579	);	2040	);
1580		2041
1581	=item $client->coro (\&cb)	2042	=item $client->async (\&cb)
1582		2043
1583	Create a new coroutine, running the specified callback. The coroutine will	2044	Create a new coroutine, running the specified callback. The coroutine will
1584	be automatically cancelled when the client gets destroyed (e.g. on logout,	2045	be automatically cancelled when the client gets destroyed (e.g. on logout,
1585	or loss of connection).	2046	or loss of connection).
1586		2047
1587	=cut	2048	=cut
1588		2049
1589	sub cf::client::coro {	2050	sub cf::client::async {
1590	my ($self, $cb) = @_;	2051	my ($self, $cb) = @_;
1591		2052
1592	my $coro; $coro = async {	2053	my $coro = &Coro::async ($cb);
1593	eval {
1594	$cb->();
1595	};
1596	warn $@ if $@;
1597	};
1598		2054
1599	$coro->on_destroy (sub {	2055	$coro->on_destroy (sub {
1600	delete $self->{_coro}{$coro+0};	2056	delete $self->{_coro}{$coro+0};
1601	});	2057	});
1602		2058
…		…
1738	The parameter C<$family> should best start with the name of the extension	2194	The parameter C<$family> should best start with the name of the extension
1739	using it, it should be unique.	2195	using it, it should be unique.
1740		2196
1741	=over 4	2197	=over 4
1742		2198
1743	=item $hashref = cf::db_get $family
1744
1745	Return a hashref for use by the extension C<$family>, which can be
1746	modified. After modifications, you have to call C<cf::db_dirty> or
1747	C<cf::db_sync>.
1748
1749	=item $value = cf::db_get $family => $key	2199	=item $value = cf::db_get $family => $key
1750		2200
1751	Returns a single value from the database	2201	Returns a single value from the database.
1752
1753	=item cf::db_put $family => $hashref
1754
1755	Stores the given family hashref into the database. Updates are delayed, if
1756	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1757		2202
1758	=item cf::db_put $family => $key => $value	2203	=item cf::db_put $family => $key => $value
1759		2204
1760	Stores the given C<$value> in the family hash. Updates are delayed, if you	2205	Stores the given C<$value> in the family.
1761	want the data to be synced to disk immediately, use C<cf::db_sync>.
1762
1763	=item cf::db_dirty
1764
1765	Marks the database as dirty, to be updated at a later time.
1766
1767	=item cf::db_sync
1768
1769	Immediately write the database to disk I<if it is dirty>.
1770		2206
1771	=cut	2207	=cut
1772		2208
1773	our $DB;	2209	our $DB;
1774		2210
1775	{	2211	sub db_init {
		2212	unless ($DB) {
		2213	$DB = BDB::db_create $DB_ENV;
		2214
		2215	cf::sync_job {
		2216	eval {
		2217	$DB->set_flags (BDB::CHKSUM);
		2218
		2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2221	cf::cleanup "db_open(db): $!" if $!;
		2222	};
		2223	cf::cleanup "db_open(db): $@" if $@;
		2224	};
		2225
1776	my $path = cf::localdir . "/database.pst";	2226	my $path = cf::localdir . "/database.pst";
		2227	if (stat $path) {
		2228	cf::sync_job {
		2229	my $pst = Storable::retrieve $path;
1777		2230
1778	sub db_load() {	2231	cf::db_put (board => data => $pst->{board});
1779	warn "loading database $path\n";#d# remove later	2232	cf::db_put (guildrules => data => $pst->{guildrules});
1780	$DB = stat $path ? Storable::retrieve $path : { };	2233	cf::db_put (rent => balance => $pst->{rent}{balance});
1781	}	2234	BDB::db_env_txn_checkpoint $DB_ENV;
1782		2235
1783	my $pid;	2236	unlink $path;
1784
1785	sub db_save() {
1786	warn "saving database $path\n";#d# remove later
1787	waitpid $pid, 0 if $pid;
1788	if (0 == ($pid = fork)) {
1789	$DB->{_meta}{version} = 1;
1790	Storable::nstore $DB, "$path~";
1791	rename "$path~", $path;
1792	cf::_exit 0 if defined $pid;
1793	}	2237	};
1794	}
1795
1796	my $dirty;
1797
1798	sub db_sync() {
1799	db_save if $dirty;
1800	undef $dirty;
1801	}
1802
1803	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1804	db_sync;
1805	});
1806
1807	sub db_dirty() {
1808	$dirty = 1;
1809	$idle->start;
1810	}
1811
1812	sub db_get($;$) {
1813	@_ >= 2
1814	? $DB->{$_[0]}{$_[1]}
1815	: ($DB->{$_[0]} ||= { })
1816	}
1817
1818	sub db_put($$;$) {
1819	if (@_ >= 3) {
1820	$DB->{$_[0]}{$_[1]} = $_[2];
1821	} else {
1822	$DB->{$_[0]} = $_[1];
1823	}
1824	db_dirty;
1825	}
1826
1827	cf::global->attach (
1828	prio => 10000,
1829	on_cleanup => sub {
1830	db_sync;
1831	},	2238	}
1832	);	2239	}
		2240	}
		2241
		2242	sub db_get($$) {
		2243	my $key = "$_[0]/$_[1]";
		2244
		2245	cf::sync_job {
		2246	BDB::db_get $DB, undef, $key, my $data;
		2247
		2248	$! ? ()
		2249	: Compress::LZF::sthaw $data
		2250	}
		2251	}
		2252
		2253	sub db_put($$$) {
		2254	BDB::dbreq_pri 4;
		2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1833	}	2256	}
1834		2257
1835	#############################################################################	2258	#############################################################################
1836	# the server's main()	2259	# the server's init and main functions
		2260
		2261	sub load_resources {
		2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2263	or die "unable to load regions file\n";#d#
		2264	}
1837		2265
1838	sub cfg_load {	2266	sub cfg_load {
1839	open my $fh, "<:utf8", cf::confdir . "/config"	2267	open my $fh, "<:utf8", cf::confdir . "/config"
1840	or return;	2268	or return;
1841		2269
1842	local $/;	2270	local $/;
1843	*CFG = YAML::Syck::Load <$fh>;	2271	*CFG = YAML::Syck::Load <$fh>;
		2272
		2273	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2274
		2275	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2276	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2277
		2278	if (exists $CFG{mlockall}) {
		2279	eval {
		2280	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2281	and die "WARNING: m(un)lockall failed: $!\n";
		2282	};
		2283	warn $@ if $@;
		2284	}
		2285	}
		2286
		2287	sub init {
		2288	load_resources;
1844	}	2289	}
1845		2290
1846	sub main {	2291	sub main {
1847	# we must not ever block the main coroutine	2292	# we must not ever block the main coroutine
1848	local $Coro::idle = sub {	2293	local $Coro::idle = sub {
1849	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2294	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1850	(Coro::unblock_sub {	2295	(async {
1851	Event::one_event;	2296	Event::one_event;
1852	})->();	2297	})->prio (Coro::PRIO_MAX);
1853	};	2298	};
1854		2299
1855	cfg_load;	2300	cfg_load;
1856	db_load;	2301	db_init;
1857	load_extensions;	2302	load_extensions;
		2303
		2304	$TICK_WATCHER->start;
1858	Event::loop;	2305	Event::loop;
1859	}	2306	}
1860		2307
1861	#############################################################################	2308	#############################################################################
1862	# initialisation	2309	# initialisation and cleanup
		2310
		2311	# install some emergency cleanup handlers
		2312	BEGIN {
		2313	for my $signal (qw(INT HUP TERM)) {
		2314	Event->signal (
		2315	reentrant => 0,
		2316	data => WF_AUTOCANCEL,
		2317	signal => $signal,
		2318	prio => 0,
		2319	cb => sub {
		2320	cf::cleanup "SIG$signal";
		2321	},
		2322	);
		2323	}
		2324	}
		2325
		2326	sub emergency_save() {
		2327	my $freeze_guard = cf::freeze_mainloop;
		2328
		2329	warn "enter emergency perl save\n";
		2330
		2331	cf::sync_job {
		2332	# use a peculiar iteration method to avoid tripping on perl
		2333	# refcount bugs in for. also avoids problems with players
		2334	# and maps saved/destroyed asynchronously.
		2335	warn "begin emergency player save\n";
		2336	for my $login (keys %cf::PLAYER) {
		2337	my $pl = $cf::PLAYER{$login} or next;
		2338	$pl->valid or next;
		2339	$pl->save;
		2340	}
		2341	warn "end emergency player save\n";
		2342
		2343	warn "begin emergency map save\n";
		2344	for my $path (keys %cf::MAP) {
		2345	my $map = $cf::MAP{$path} or next;
		2346	$map->valid or next;
		2347	$map->save;
		2348	}
		2349	warn "end emergency map save\n";
		2350
		2351	warn "begin emergency database checkpoint\n";
		2352	BDB::db_env_txn_checkpoint $DB_ENV;
		2353	warn "end emergency database checkpoint\n";
		2354	};
		2355
		2356	warn "leave emergency perl save\n";
		2357	}
1863		2358
1864	sub reload() {	2359	sub reload() {
1865	# can/must only be called in main	2360	# can/must only be called in main
1866	if ($Coro::current != $Coro::main) {	2361	if ($Coro::current != $Coro::main) {
1867	warn "can only reload from main coroutine\n";	2362	warn "can only reload from main coroutine";
1868	return;	2363	return;
1869	}	2364	}
1870		2365
1871	warn "reloading...";	2366	warn "reloading...";
1872		2367
1873	local $FREEZE = 1;	2368	warn "cancelling server ticker";
		2369	$TICK_WATCHER->cancel;
		2370
1874	cf::emergency_save;	2371	cf::emergency_save;
1875		2372
1876	eval {	2373	eval {
1877	# if anything goes wrong in here, we should simply crash as we already saved	2374	# if anything goes wrong in here, we should simply crash as we already saved
1878		2375
1879	# cancel all watchers	2376	warn "cancelling all WF_AUTOCANCEL watchers";
1880	for (Event::all_watchers) {	2377	for (Event::all_watchers) {
1881	$_->cancel if $_->data & WF_AUTOCANCEL;	2378	$_->cancel if $_->data & WF_AUTOCANCEL;
1882	}	2379	}
1883		2380
		2381	warn "syncing database to disk";
		2382	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		2383
		2384	warn "flushing outstanding aio requests";
		2385	for (;;) {
		2386	BDB::flush;
		2387	IO::AIO::flush;
		2388	Coro::cede;
		2389	last unless IO::AIO::nreqs || BDB::nreqs;
		2390	warn "iterate...";
		2391	}
		2392
1884	# cancel all extension coros	2393	warn "cancelling all extension coros";
1885	$_->cancel for values %EXT_CORO;	2394	$_->cancel for values %EXT_CORO;
1886	%EXT_CORO = ();	2395	%EXT_CORO = ();
1887		2396
1888	# unload all extensions	2397	warn "removing commands";
1889	for (@exts) {	2398	%COMMAND = ();
		2399
		2400	warn "removing ext commands";
		2401	%EXTCMD = ();
		2402
		2403	warn "unloading/nuking all extensions";
		2404	for my $pkg (@EXTS) {
1890	warn "unloading <$_>";	2405	warn "... unloading $pkg";
1891	unload_extension $_;	2406
		2407	if (my $cb = $pkg->can ("unload")) {
		2408	eval {
		2409	$cb->($pkg);
		2410	1
		2411	} or warn "$pkg unloaded, but with errors: $@";
1892	}	2412	}
1893		2413
		2414	warn "... nuking $pkg";
		2415	Symbol::delete_package $pkg;
		2416	}
		2417
1894	# unload all modules loaded from $LIBDIR	2418	warn "unloading all perl modules loaded from $LIBDIR";
1895	while (my ($k, $v) = each %INC) {	2419	while (my ($k, $v) = each %INC) {
1896	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2420	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1897		2421
1898	warn "removing <$k>";	2422	warn "... unloading $k";
1899	delete $INC{$k};	2423	delete $INC{$k};
1900		2424
1901	$k =~ s/\.pm$//;	2425	$k =~ s/\.pm$//;
1902	$k =~ s/\//::/g;	2426	$k =~ s/\//::/g;
1903		2427
…		…
1906	}	2430	}
1907		2431
1908	Symbol::delete_package $k;	2432	Symbol::delete_package $k;
1909	}	2433	}
1910		2434
1911	# sync database to disk
1912	cf::db_sync;
1913	IO::AIO::flush;
1914
1915	# get rid of safe::, as good as possible	2435	warn "getting rid of safe::, as good as possible";
1916	Symbol::delete_package "safe::$_"	2436	Symbol::delete_package "safe::$_"
1917	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2437	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1918		2438
1919	# remove register_script_function callbacks
1920	# TODO
1921
1922	# unload cf.pm "a bit"	2439	warn "unloading cf.pm \"a bit\"";
1923	delete $INC{"cf.pm"};	2440	delete $INC{"cf.pm"};
1924		2441
1925	# don't, removes xs symbols, too,	2442	# don't, removes xs symbols, too,
1926	# and global variables created in xs	2443	# and global variables created in xs
1927	#Symbol::delete_package __PACKAGE__;	2444	#Symbol::delete_package __PACKAGE__;
1928		2445
1929	# reload cf.pm	2446	warn "unload completed, starting to reload now";
		2447
1930	warn "reloading cf.pm";	2448	warn "reloading cf.pm";
1931	require cf;	2449	require cf;
1932	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2450	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1933		2451
1934	# load config and database again	2452	warn "loading config and database again";
1935	cf::cfg_load;	2453	cf::cfg_load;
1936	cf::db_load;
1937		2454
1938	# load extensions
1939	warn "load extensions";	2455	warn "loading extensions";
1940	cf::load_extensions;	2456	cf::load_extensions;
1941		2457
1942	# reattach attachments to objects	2458	warn "reattaching attachments to objects/players";
1943	warn "reattach";
1944	_global_reattach;	2459	_global_reattach;
		2460	warn "reattaching attachments to maps";
		2461	reattach $_ for values %MAP;
		2462
		2463	warn "loading reloadable resources";
		2464	load_resources;
		2465
		2466	warn "restarting server ticker";
		2467
		2468	$TICK_WATCHER->start;
1945	};	2469	};
1946		2470
1947	if ($@) {	2471	if ($@) {
1948	warn $@;	2472	warn $@;
1949	warn "error while reloading, exiting.";	2473	warn "error while reloading, exiting.";
1950	exit 1;	2474	exit 1;
1951	}	2475	}
1952		2476
1953	warn "reloaded successfully";	2477	warn "reloaded";
1954	};	2478	};
1955		2479
1956	#############################################################################	2480	our $RELOAD_WATCHER; # used only during reload
1957
1958	unless ($LINK_MAP) {
1959	$LINK_MAP = cf::map::new;
1960
1961	$LINK_MAP->width (41);
1962	$LINK_MAP->height (41);
1963	$LINK_MAP->alloc;
1964	$LINK_MAP->path ("{link}");
1965	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1966	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1967
1968	# dirty hack because... archetypes are not yet loaded
1969	Event->timer (
1970	after => 2,
1971	cb => sub {
1972	$_[0]->w->cancel;
1973
1974	# provide some exits "home"
1975	my $exit = cf::object::new "exit";
1976
1977	$exit->slaying ($EMERGENCY_POSITION->[0]);
1978	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
1979	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
1980
1981	$LINK_MAP->insert ($exit->clone, 19, 19);
1982	$LINK_MAP->insert ($exit->clone, 19, 20);
1983	$LINK_MAP->insert ($exit->clone, 19, 21);
1984	$LINK_MAP->insert ($exit->clone, 20, 19);
1985	$LINK_MAP->insert ($exit->clone, 20, 21);
1986	$LINK_MAP->insert ($exit->clone, 21, 19);
1987	$LINK_MAP->insert ($exit->clone, 21, 20);
1988	$LINK_MAP->insert ($exit->clone, 21, 21);
1989
1990	$exit->destroy;
1991	});
1992
1993	$LINK_MAP->{deny_save} = 1;
1994	$LINK_MAP->{deny_reset} = 1;
1995
1996	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1997	}
1998
1999	register "<global>", __PACKAGE__;
2000		2481
2001	register_command "reload" => sub {	2482	register_command "reload" => sub {
2002	my ($who, $arg) = @_;	2483	my ($who, $arg) = @_;
2003		2484
2004	if ($who->flag (FLAG_WIZ)) {	2485	if ($who->flag (FLAG_WIZ)) {
2005	$who->message ("start of reload.");	2486	$who->message ("reloading server.");
		2487
		2488	# doing reload synchronously and two reloads happen back-to-back,
		2489	# coro crashes during coro_state_free->destroy here.
		2490
		2491	$RELOAD_WATCHER ||= Event->timer (
		2492	reentrant => 0,
		2493	after => 0,
		2494	data => WF_AUTOCANCEL,
		2495	cb => sub {
2006	reload;	2496	reload;
2007	$who->message ("end of reload.");	2497	undef $RELOAD_WATCHER;
		2498	},
		2499	);
2008	}	2500	}
2009	};	2501	};
2010		2502
2011	unshift @INC, $LIBDIR;	2503	unshift @INC, $LIBDIR;
		2504
		2505	my $bug_warning = 0;
2012		2506
2013	$TICK_WATCHER = Event->timer (	2507	$TICK_WATCHER = Event->timer (
2014	reentrant => 0,	2508	reentrant => 0,
		2509	parked => 1,
2015	prio => 0,	2510	prio => 0,
2016	at => $NEXT_TICK || $TICK,	2511	at => $NEXT_TICK || $TICK,
2017	data => WF_AUTOCANCEL,	2512	data => WF_AUTOCANCEL,
2018	cb => sub {	2513	cb => sub {
2019	unless ($FREEZE) {	2514	if ($Coro::current != $Coro::main) {
		2515	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2516	unless ++$bug_warning > 10;
		2517	return;
		2518	}
		2519
		2520	$NOW = Event::time;
		2521
2020	cf::server_tick; # one server iteration	2522	cf::server_tick; # one server iteration
2021	$RUNTIME += $TICK;	2523	$RUNTIME += $TICK;
2022	}
2023
2024	$NEXT_TICK += $TICK;	2524	$NEXT_TICK += $TICK;
		2525
		2526	$WAIT_FOR_TICK->broadcast;
		2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2528
		2529	Event::sweep;
		2530	Coro::cede_notself;
		2531
		2532	# my $AFTER = Event::time;
		2533	# warn $AFTER - $NOW;#d#
2025		2534
2026	# if we are delayed by four ticks or more, skip them all	2535	# if we are delayed by four ticks or more, skip them all
2027	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2536	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2028		2537
2029	$TICK_WATCHER->at ($NEXT_TICK);	2538	$TICK_WATCHER->at ($NEXT_TICK);
2030	$TICK_WATCHER->start;	2539	$TICK_WATCHER->start;
2031	},	2540	},
2032	);	2541	);
2033		2542
		2543	{
		2544	BDB::max_poll_time $TICK * 0.1;
		2545	$BDB_POLL_WATCHER = Event->io (
		2546	reentrant => 0,
		2547	fd => BDB::poll_fileno,
		2548	poll => 'r',
		2549	prio => 0,
		2550	data => WF_AUTOCANCEL,
		2551	cb => \&BDB::poll_cb,
		2552	);
		2553	BDB::min_parallel 8;
		2554
		2555	BDB::set_sync_prepare {
		2556	my $status;
		2557	my $current = $Coro::current;
		2558	(
		2559	sub {
		2560	$status = $!;
		2561	$current->ready; undef $current;
		2562	},
		2563	sub {
		2564	Coro::schedule while defined $current;
		2565	$! = $status;
		2566	},
		2567	)
		2568	};
		2569
		2570	unless ($DB_ENV) {
		2571	$DB_ENV = BDB::db_env_create;
		2572
		2573	cf::sync_job {
		2574	eval {
		2575	BDB::db_env_open
		2576	$DB_ENV,
		2577	$BDB_ENV_DIR,
		2578	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2579	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2580	0666;
		2581
		2582	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2583
		2584	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2585	$DB_ENV->set_lk_detect;
		2586	};
		2587
		2588	cf::cleanup "db_env_open(db): $@" if $@;
		2589	};
		2590	}
		2591	}
		2592
		2593	{
		2594	IO::AIO::min_parallel 8;
		2595
		2596	undef $Coro::AIO::WATCHER;
2034	IO::AIO::max_poll_time $TICK * 0.2;	2597	IO::AIO::max_poll_time $TICK * 0.1;
2035		2598	$AIO_POLL_WATCHER = Event->io (
2036	Event->io (	2599	reentrant => 0,
2037	fd => IO::AIO::poll_fileno,	2600	fd => IO::AIO::poll_fileno,
2038	poll => 'r',	2601	poll => 'r',
2039	prio => 5,	2602	prio => 6,
2040	data => WF_AUTOCANCEL,	2603	data => WF_AUTOCANCEL,
2041	cb => \&IO::AIO::poll_cb,	2604	cb => \&IO::AIO::poll_cb,
2042	);	2605	);
		2606	}
2043		2607
2044	Event->timer (	2608	$WRITE_RUNTIME_WATCHER = Event->timer (
		2609	reentrant => 0,
2045	data => WF_AUTOCANCEL,	2610	data => WF_AUTOCANCEL,
2046	after => 0,	2611	after => 1,
2047	interval => 10,	2612	interval => 10,
2048	cb => sub {	2613	prio => 6, # keep it lowest so it acts like a watchdog
2049	(Coro::unblock_sub {	2614	cb => Coro::unblock_sub {
2050	write_runtime	2615	write_runtime
2051	or warn "ERROR: unable to write runtime file: $!";	2616	or warn "ERROR: unable to write runtime file: $!";
2052	})->();
2053	},	2617	},
2054	);	2618	);
2055		2619
		2620	END { cf::emergency_save }
		2621
2056	1	2622	1
2057		2623

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