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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.118 by root, Mon Jan 1 21:19:52 2007 UTC vs.
Revision 1.212 by root, Tue Feb 13 19:25:44 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 { }, $class;
293
294	# {... are special paths that are not touched
295	# ?xxx/... are special absolute paths
296	# ?random/... random maps
297	# /! non-realised random map exit
298	# /... normal maps
299	# ~/... per-player maps without a specific player (DO NOT USE)
300	# ~user/... per-player map of a specific user
301
302	if ($path =~ /^{/) {
303	# fine as it is
304	} elsif ($path =~ s{^\?random/}{}) {
305	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
306	$self->{random} = cf::from_json $data;
307	} else {
308	if ($path =~ s{^~([^/]+)?}{}) {
309	$self->{user_rel} = 1;
310
311	if (defined $1) {
312	$self->{user} = $1;
313	} elsif ($base =~ m{^~([^/]+)/}) {
314	$self->{user} = $1;
315	} else {
316	warn "cannot resolve user-relative path without user <$path,$base>\n";
317	}
318	} elsif ($path =~ /^\//) {
319	# already absolute
320	} else {
321	$base =~ s{[^/]+/?$}{};
322	return $class->new ("$base/$path");
323	}
324
325	for ($path) {
326	redo if s{/\.?/}{/};
327	redo if s{/[^/]+/\.\./}{/};
328	}
329	}
330
331	$self->{path} = $path;
332
333	$self
334	}
335
336	# the name / primary key / in-game path
337	sub as_string {
338	my ($self) = @_;
339
340	$self->{user_rel} ? "~$self->{user}$self->{path}"
341	: $self->{random} ? "?random/$self->{path}"
342	: $self->{path}
343	}
344
345	# the displayed name, this is a one way mapping
346	sub visible_name {
347	my ($self) = @_;
348
349	# if (my $rmp = $self->{random}) {
350	# # todo: be more intelligent about this
351	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
352	# } else {
353	$self->as_string
354	# }
355	}
356
357	# escape the /'s in the path
358	sub _escaped_path {
359	# ∕ is U+2215
360	(my $path = $_[0]{path}) =~ s/\//∕/g;
361	$path
362	}
363
364	# the original (read-only) location
365	sub load_path {
366	my ($self) = @_;
367
368	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
369	}
370
371	# the temporary/swap location
372	sub save_path {
373	my ($self) = @_;
374
375	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
376	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
377	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
378	}
379
380	# the unique path, might be eq to save_path
381	sub uniq_path {
382	my ($self) = @_;
383
384	$self->{user_rel} || $self->{random}
385	? undef
386	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
387	}
388
389	# return random map parameters, or undef
390	sub random_map_params {
391	my ($self) = @_;
392
393	$self->{random}
394	}
395
396	# this is somewhat ugly, but style maps do need special treatment
397	sub is_style_map {
398	$_[0]{path} =~ m{^/styles/}
399	}
400
401	package cf;
402		389
403	#############################################################################	390	#############################################################################
404		391
405	=head2 ATTACHABLE OBJECTS	392	=head2 ATTACHABLE OBJECTS
406		393
…		…
532	our @CB_TYPE = (); # registry for type (cf-object class) based events	519	our @CB_TYPE = (); # registry for type (cf-object class) based events
533	our @CB_MAP = ();	520	our @CB_MAP = ();
534		521
535	my %attachment;	522	my %attachment;
536		523
		524	sub cf::attachable::thawer_merge {
		525	# simply override everything except _meta
		526	local $_[0]{_meta};
		527	%{$_[0]} = %{$_[1]};
		528	}
		529
537	sub _attach_cb($$$$) {	530	sub _attach_cb($$$$) {
538	my ($registry, $event, $prio, $cb) = @_;	531	my ($registry, $event, $prio, $cb) = @_;
539		532
540	use sort 'stable';	533	use sort 'stable';
541		534
…		…
712	# object support	705	# object support
713		706
714	sub reattach {	707	sub reattach {
715	# basically do the same as instantiate, without calling instantiate	708	# basically do the same as instantiate, without calling instantiate
716	my ($obj) = @_;	709	my ($obj) = @_;
		710
		711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		712
718	my $registry = $obj->registry;	713	my $registry = $obj->registry;
719		714
720	@$registry = ();	715	@$registry = ();
721		716
…		…
768	$filename, length $$rdata, scalar @$objs;	763	$filename, length $$rdata, scalar @$objs;
769		764
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	766	chmod SAVE_MODE, $fh;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	769	close $fh;
775		770
776	if (@$objs) {	771	if (@$objs) {
777	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) {
778	chmod SAVE_MODE, $fh;	773	chmod SAVE_MODE, $fh;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	774	my $data = Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	775	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh;	776	aio_fsync $fh if $cf::USE_FSYNC;
782	close $fh;	777	close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	778	aio_rename "$filename.pst~", "$filename.pst";
784	}	779	}
785	} else {	780	} else {
786	aio_unlink "$filename.pst";	781	aio_unlink "$filename.pst";
…		…
792	}	787	}
793	} else {	788	} else {
794	aio_unlink $filename;	789	aio_unlink $filename;
795	aio_unlink "$filename.pst";	790	aio_unlink "$filename.pst";
796	}	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	}
797	}	798	}
798	}	799	}
799		800
800	sub object_freezer_as_string {	801	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	802	my ($rdata, $objs) = @_;
…		…
807		808
808	sub object_thawer_load {	809	sub object_thawer_load {
809	my ($filename) = @_;	810	my ($filename) = @_;
810		811
811	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$//;
812		816
813	(aio_load $filename, $data) >= 0	817	(aio_load $filename, $data) >= 0
814	or return;	818	or return;
815		819
816	unless (aio_stat "$filename.pst") {	820	unless (aio_stat "$filename.pst") {
…		…
853	=cut	857	=cut
854		858
855	sub register_extcmd {	859	sub register_extcmd {
856	my ($name, $cb) = @_;	860	my ($name, $cb) = @_;
857		861
858	my $caller = caller;
859	#warn "registering extcmd '$name' to '$caller'";
860
861	$EXTCMD{$name} = [$cb, $caller];	862	$EXTCMD{$name} = $cb;
862	}	863	}
863		864
864	cf::player->attach (	865	cf::player->attach (
865	on_command => sub {	866	on_command => sub {
866	my ($pl, $name, $params) = @_;	867	my ($pl, $name, $params) = @_;
…		…
879		880
880	my $msg = eval { from_json $buf };	881	my $msg = eval { from_json $buf };
881		882
882	if (ref $msg) {	883	if (ref $msg) {
883	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
884	if (my %reply = $cb->[0]->($pl, $msg)) {	885	if (my %reply = $cb->($pl, $msg)) {
885	$pl->ext_reply ($msg->{msgid}, %reply);	886	$pl->ext_reply ($msg->{msgid}, %reply);
886	}	887	}
887	}	888	}
888	} else {	889	} else {
889	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
891		892
892	cf::override;	893	cf::override;
893	},	894	},
894	);	895	);
895		896
896	sub register {
897	my ($base, $pkg) = @_;
898
899	#TODO
900	}
901
902	sub load_extension {	897	sub load_extension {
903	my ($path) = @_;	898	my ($path) = @_;
904		899
905	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
906	my $base = $1;	901	my $base = $1;
907	my $pkg = $1;	902	my $pkg = $1;
908	$pkg =~ s/[^[:word:]]/_/g;	903	$pkg =~ s/[^[:word:]]/_/g;
909	$pkg = "ext::$pkg";	904	$pkg = "ext::$pkg";
910		905
911	warn "loading '$path' into '$pkg'\n";	906	warn "... loading '$path' into '$pkg'\n";
912		907
913	open my $fh, "<:utf8", $path	908	open my $fh, "<:utf8", $path
914	or die "$path: $!";	909	or die "$path: $!";
915		910
916	my $source =	911	my $source =
917	"package $pkg; use strict; use utf8;\n"	912	"package $pkg; use strict; use utf8;\n"
918	. "#line 1 \"$path\"\n{\n"	913	. "#line 1 \"$path\"\n{\n"
919	. (do { local $/; <$fh> })	914	. (do { local $/; <$fh> })
920	. "\n};\n1";	915	. "\n};\n1";
921		916
922	eval $source	917	unless (eval $source) {
923	or die $@ ? "$path: $@\n"	918	my $msg = $@ ? "$path: $@\n"
924	: "extension disabled.\n";	919	: "extension disabled.\n";
925		920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
926	push @exts, $pkg;	921	warn $@;
927	$ext_pkg{$base} = $pkg;	922	warn "mandatory extension failed to load, exiting.\n";
928		923	exit 1;
929	# no strict 'refs';	924	}
930	# @{"$pkg\::ISA"} = ext::;	925	die $@;
931
932	register $base, $pkg;
933	}
934
935	sub unload_extension {
936	my ($pkg) = @_;
937
938	warn "removing extension $pkg\n";
939
940	# remove hooks
941	#TODO
942	# for my $idx (0 .. $#PLUGIN_EVENT) {
943	# delete $hook[$idx]{$pkg};
944	# }	926	}
945		927
946	# remove commands	928	push @EXTS, $pkg;
947	for my $name (keys %COMMAND) {
948	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
949
950	if (@cb) {
951	$COMMAND{$name} = \@cb;
952	} else {
953	delete $COMMAND{$name};
954	}
955	}
956
957	# remove extcmds
958	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
959	delete $EXTCMD{$name};
960	}
961
962	if (my $cb = $pkg->can ("unload")) {
963	eval {
964	$cb->($pkg);
965	1
966	} or warn "$pkg unloaded, but with errors: $@";
967	}
968
969	Symbol::delete_package $pkg;
970	}	929	}
971		930
972	sub load_extensions {	931	sub load_extensions {
973	for my $ext (<$LIBDIR/*.ext>) {	932	for my $ext (<$LIBDIR/*.ext>) {
974	next unless -r $ext;	933	next unless -r $ext;
…		…
978	} or warn "$ext not loaded: $@";	937	} or warn "$ext not loaded: $@";
979	}	938	}
980	}	939	}
981		940
982	#############################################################################	941	#############################################################################
983	# load/save/clean perl data associated with a map
984
985	*cf::mapsupport::on_clean = sub {
986	my ($map) = @_;
987
988	my $path = $map->tmpname;
989	defined $path or return;
990
991	unlink "$path.pst";
992	};
993
994	cf::map->attach (prio => -10000, package => cf::mapsupport::);
995
996	#############################################################################
997	# load/save perl data associated with player->ob objects
998
999	sub all_objects(@) {
1000	@_, map all_objects ($_->inv), @_
1001	}
1002
1003	# TODO: compatibility cruft, remove when no longer needed
1004	cf::player->attach (
1005	on_load => sub {
1006	my ($pl, $path) = @_;
1007
1008	for my $o (all_objects $pl->ob) {
1009	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1010	$o->set_ob_key_value ("_perl_data");
1011
1012	%$o = %{ Storable::thaw pack "H*", $value };
1013	}
1014	}
1015	},
1016	);
1017
1018	#############################################################################
1019		942
1020	=head2 CORE EXTENSIONS	943	=head2 CORE EXTENSIONS
1021		944
1022	Functions and methods that extend core crossfire objects.	945	Functions and methods that extend core crossfire objects.
1023		946
		947	=cut
		948
		949	package cf::player;
		950
		951	use Coro::AIO;
		952
1024	=head3 cf::player	953	=head3 cf::player
1025		954
1026	=over 4	955	=over 4
1027		956
1028	=item cf::player::exists $login	957	=item cf::player::find $login
1029		958
1030	Returns true when the given account exists.	959	Returns the given player object, loading it if necessary (might block).
1031		960
1032	=cut	961	=cut
1033		962
1034	sub cf::player::exists($) {	963	sub playerdir($) {
1035	cf::player::find $_[0]	964	cf::localdir
1036	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
1037	}	1111	}
1038		1112
1039	=item $player->ext_reply ($msgid, $msgtype, %msg)	1113	=item $player->ext_reply ($msgid, $msgtype, %msg)
1040		1114
1041	Sends an ext reply to the player.	1115	Sends an ext reply to the player.
1042		1116
1043	=cut	1117	=cut
1044		1118
1045	sub cf::player::ext_reply($$$%) {	1119	sub ext_reply($$$%) {
1046	my ($self, $id, %msg) = @_;	1120	my ($self, $id, %msg) = @_;
1047		1121
1048	$msg{msgid} = $id;	1122	$msg{msgid} = $id;
1049		1123
1050	$self->send ("ext " . to_json \%msg);	1124	$self->send ("ext " . cf::to_json \%msg);
1051	}	1125	}
		1126
		1127	package cf;
1052		1128
1053	=back	1129	=back
1054		1130
1055		1131
1056	=head3 cf::map	1132	=head3 cf::map
…		…
1062	package cf::map;	1138	package cf::map;
1063		1139
1064	use Fcntl;	1140	use Fcntl;
1065	use Coro::AIO;	1141	use Coro::AIO;
1066		1142
		1143	use overload
		1144	'""' => \&as_string,
		1145	fallback => 1;
		1146
1067	our $MAX_RESET = 7200;	1147	our $MAX_RESET = 3600;
1068	our $DEFAULT_RESET = 3600;	1148	our $DEFAULT_RESET = 3000;
1069		1149
1070	sub generate_random_map {	1150	sub generate_random_map {
1071	my ($path, $rmp) = @_;	1151	my ($self, $rmp) = @_;
1072
1073	# mit "rum" bekleckern, nicht	1152	# mit "rum" bekleckern, nicht
1074	cf::map::_create_random_map	1153	$self->_create_random_map (
1075	$path,
1076	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1154	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1077	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1155	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1078	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1156	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1079	$rmp->{exit_on_final_map},	1157	$rmp->{exit_on_final_map},
1080	$rmp->{xsize}, $rmp->{ysize},	1158	$rmp->{xsize}, $rmp->{ysize},
1081	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1159	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1082	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1160	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1083	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1161	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1084	$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},
1085	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1163	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1086	(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
1087	}	1295	}
1088		1296
1089	# and all this just because we cannot iterate over	1297	# and all this just because we cannot iterate over
1090	# all maps in C++...	1298	# all maps in C++...
1091	sub change_all_map_light {	1299	sub change_all_map_light {
1092	my ($change) = @_;	1300	my ($change) = @_;
1093		1301
1094	$_->change_map_light ($change) for values %cf::MAP;	1302	$_->change_map_light ($change)
		1303	for grep $_->outdoor, values %cf::MAP;
1095	}	1304	}
1096		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
1097	sub try_load_header($) {	1319	sub load_header_from($) {
1098	my ($path) = @_;	1320	my ($self, $path) = @_;
1099		1321
1100	utf8::encode $path;	1322	utf8::encode $path;
1101	aio_open $path, O_RDONLY, 0	1323	#aio_open $path, O_RDONLY, 0
		1324	# or return;
		1325
		1326	$self->_load_header ($path)
1102	or return;	1327	or return;
1103		1328
1104	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
1105	or return;	1372	or return;
		1373	$self->prepare_orig;
		1374	}
1106		1375
1107	$map->load_header ($path)	1376	1
1108	or return;
1109
1110	$map->{load_path} = $path;
1111
1112	$map
1113	}	1377	}
1114		1378
		1379	sub find;
1115	sub find_map {	1380	sub find {
1116	my ($path, $origin) = @_;	1381	my ($path, $origin) = @_;
1117		1382
1118	#warn "find_map<$path,$origin>\n";#d#
1119
1120	$path = new cf::path $path, $origin && $origin->path;	1383	$path = normalise $path, $origin && $origin->path;
1121	my $key = $path->as_string;
1122		1384
		1385	cf::lock_wait "map_find:$path";
		1386
1123	$cf::MAP{$key} || do {	1387	$cf::MAP{$path} || do {
1124	# do it the slow way	1388	my $guard = cf::lock_acquire "map_find:$path";
1125	my $map = try_load_header $path->save_path;	1389	my $map = new_from_path cf::map $path
1126
1127	if ($map) {
1128	# safety
1129	$map->{instantiate_time} = $cf::RUNTIME
1130	if $map->{instantiate_time} > $cf::RUNTIME;
1131	} else {
1132	if (my $rmp = $path->random_map_params) {
1133	$map = generate_random_map $key, $rmp;
1134	} else {
1135	$map = try_load_header $path->load_path;
1136	}
1137
1138	$map or return;	1390	or return;
1139		1391
1140	$map->{load_original} = 1;
1141	$map->{instantiate_time} = $cf::RUNTIME;
1142	$map->instantiate;
1143
1144	# per-player maps become, after loading, normal maps
1145	$map->per_player (0) if $path->{user_rel};
1146	}
1147	#Coro::Timer::sleep 1;#d#
1148
1149	$map->path ($key);
1150	$map->{path} = $path;
1151	$map->{last_save} = $cf::RUNTIME;	1392	$map->{last_save} = $cf::RUNTIME;
1152	$map->last_access ($cf::RUNTIME);
1153		1393
1154	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;
1155	$map->reset;	1400	$map->reset;
1156	$map = find_map $path;	1401	undef $guard;
		1402	return find $path;
1157	}	1403	}
1158		1404
1159	$cf::MAP{$key} = $map	1405	$cf::MAP{$path} = $map
1160	}	1406	}
1161	}	1407	}
		1408
		1409	sub pre_load { }
		1410	sub post_load { }
1162		1411
1163	sub load {	1412	sub load {
1164	my ($self) = @_;	1413	my ($self) = @_;
1165		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
1166	return if $self->in_memory != cf::MAP_SWAPPED;	1420	return if $self->in_memory != cf::MAP_SWAPPED;
1167		1421
1168	$self->in_memory (cf::MAP_LOADING);	1422	$self->in_memory (cf::MAP_LOADING);
1169		1423
1170	my $path = $self->{path};
1171
1172	$self->alloc;	1424	$self->alloc;
		1425
		1426	$self->pre_load;
		1427
1173	$self->load_objects ($self->{load_path}, 1)	1428	$self->_load_objects ($self->{load_path}, 1)
1174	or return;	1429	or return;
1175		1430
1176	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1177	if delete $self->{load_original};	1432	if delete $self->{load_original};
1178		1433
1179	if (my $uniq = $path->uniq_path) {	1434	if (my $uniq = $self->uniq_path) {
1180	utf8::encode $uniq;	1435	utf8::encode $uniq;
1181	if (aio_open $uniq, O_RDONLY, 0) {	1436	if (aio_open $uniq, O_RDONLY, 0) {
1182	$self->clear_unique_items;	1437	$self->clear_unique_items;
1183	$self->load_objects ($uniq, 0);	1438	$self->_load_objects ($uniq, 0);
1184	}	1439	}
1185	}	1440	}
		1441
		1442	Coro::cede;
1186		1443
1187	# now do the right thing for maps	1444	# now do the right thing for maps
1188	$self->link_multipart_objects;	1445	$self->link_multipart_objects;
1189		1446
1190	if ($self->{path}->is_style_map) {	1447	unless ($self->{deny_activate}) {
1191	$self->{deny_save} = 1;	1448	$self->decay_objects;
1192	$self->{deny_reset} = 1;
1193	} else {
1194	$self->fix_auto_apply;	1449	$self->fix_auto_apply;
1195	$self->decay_objects;
1196	$self->update_buttons;	1450	$self->update_buttons;
		1451	Coro::cede;
1197	$self->set_darkness_map;	1452	$self->set_darkness_map;
1198	$self->difficulty ($self->estimate_difficulty)	1453	$self->difficulty ($self->estimate_difficulty)
1199	unless $self->difficulty;	1454	unless $self->difficulty;
		1455	Coro::cede;
1200	$self->activate;	1456	$self->activate;
1201	}	1457	}
1202		1458
		1459	$self->post_load;
		1460
1203	$self->in_memory (cf::MAP_IN_MEMORY);	1461	$self->in_memory (cf::MAP_IN_MEMORY);
1204	}	1462	}
1205		1463
1206	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 {
1207	my ($path, $origin) = @_;	1498	my ($path, $origin) = @_;
1208		1499
1209	#warn "load_map_sync<$path, $origin>\n";#d#	1500	cf::sync_job { find $path, $origin }
		1501	}
1210		1502
1211	cf::sync_job {	1503	sub do_load_sync {
1212	my $map = cf::map::find_map $path, $origin	1504	my ($map) = @_;
1213	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;
1214	$map->load;	1527	$map->load;
1215	$map	1528
		1529	delete $MAP_PREFETCH{$path};
		1530	}
		1531	}
		1532	undef $MAP_PREFETCHER;
1216	}	1533	};
		1534	$MAP_PREFETCHER->prio (6);
		1535
		1536	()
1217	}	1537	}
1218		1538
1219	sub save {	1539	sub save {
1220	my ($self) = @_;	1540	my ($self) = @_;
1221		1541
		1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1543
1222	$self->{last_save} = $cf::RUNTIME;	1544	$self->{last_save} = $cf::RUNTIME;
1223		1545
1224	return unless $self->dirty;	1546	return unless $self->dirty;
1225		1547
1226	my $save = $self->{path}->save_path; utf8::encode $save;	1548	my $save = $self->save_path; utf8::encode $save;
1227	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1549	my $uniq = $self->uniq_path; utf8::encode $uniq;
1228		1550
1229	$self->{load_path} = $save;	1551	$self->{load_path} = $save;
1230		1552
1231	return if $self->{deny_save};	1553	return if $self->{deny_save};
1232		1554
		1555	local $self->{last_access} = $self->last_access;#d#
		1556
		1557	cf::async {
		1558	$_->contr->save for $self->players;
		1559	};
		1560
1233	if ($uniq) {	1561	if ($uniq) {
1234	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1235	$self->save_objects ($uniq, cf::IO_UNIQUES);	1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1236	} else {	1564	} else {
1237	$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);
1238	}	1566	}
1239	}	1567	}
1240		1568
1241	sub swap_out {	1569	sub swap_out {
1242	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;
1243		1576
1244	return if $self->players;	1577	return if $self->players;
1245	return if $self->in_memory != cf::MAP_IN_MEMORY;	1578	return if $self->in_memory != cf::MAP_IN_MEMORY;
1246	return if $self->{deny_save};	1579	return if $self->{deny_save};
1247		1580
1248	$self->save;
1249	$self->clear;	1581	$self->clear;
1250	$self->in_memory (cf::MAP_SWAPPED);	1582	$self->in_memory (cf::MAP_SWAPPED);
1251	}	1583	}
1252		1584
1253	sub reset_at {	1585	sub reset_at {
1254	my ($self) = @_;	1586	my ($self) = @_;
1255		1587
1256	# TODO: safety, remove and allow resettable per-player maps	1588	# TODO: safety, remove and allow resettable per-player maps
1257	return 1e99 if $self->{path}{user_rel};	1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1258	return 1e99 if $self->{deny_reset};	1590	return 1e99 if $self->{deny_reset};
1259		1591
1260	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1261	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1262		1594
…		…
1267	my ($self) = @_;	1599	my ($self) = @_;
1268		1600
1269	$self->reset_at <= $cf::RUNTIME	1601	$self->reset_at <= $cf::RUNTIME
1270	}	1602	}
1271		1603
1272	sub unlink_save {
1273	my ($self) = @_;
1274
1275	utf8::encode (my $save = $self->{path}->save_path);
1276	aioreq_pri 3; IO::AIO::aio_unlink $save;
1277	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1278	}
1279
1280	sub rename {
1281	my ($self, $new_path) = @_;
1282
1283	$self->unlink_save;
1284
1285	delete $cf::MAP{$self->path};
1286	$self->{path} = new cf::path $new_path;
1287	$self->path ($self->{path}->as_string);
1288	$cf::MAP{$self->path} = $self;
1289
1290	$self->save;
1291	}
1292
1293	sub reset {	1604	sub reset {
1294	my ($self) = @_;	1605	my ($self) = @_;
1295		1606
		1607	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1608
1296	return if $self->players;	1609	return if $self->players;
1297	return if $self->{path}{user_rel};#d#	1610	return if $self->isa ("ext::map_per_player");#d#
1298		1611
1299	warn "resetting map ", $self->path;#d#	1612	warn "resetting map ", $self->path;#d#
1300		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
1301	delete $cf::MAP{$self->path};	1624	delete $cf::MAP{$self->path};
		1625
		1626	$self->clear;
1302		1627
1303	$_->clear_links_to ($self) for values %cf::MAP;	1628	$_->clear_links_to ($self) for values %cf::MAP;
1304		1629
1305	$self->unlink_save;	1630	$self->unlink_save;
1306	$self->destroy;	1631	$self->destroy;
…		…
1309	my $nuke_counter = "aaaa";	1634	my $nuke_counter = "aaaa";
1310		1635
1311	sub nuke {	1636	sub nuke {
1312	my ($self) = @_;	1637	my ($self) = @_;
1313		1638
		1639	delete $cf::MAP{$self->path};
		1640
		1641	$self->unlink_save;
		1642
		1643	bless $self, "cf::map";
		1644	delete $self->{deny_reset};
1314	$self->{deny_save} = 1;	1645	$self->{deny_save} = 1;
1315	$self->reset_timeout (1);	1646	$self->reset_timeout (1);
1316	$self->rename ("{nuke}/" . ($nuke_counter++));	1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1648
		1649	$cf::MAP{$self->path} = $self;
		1650
1317	$self->reset; # polite request, might not happen	1651	$self->reset; # polite request, might not happen
1318	}	1652	}
1319		1653
1320	sub customise_for {	1654	=item cf::map::unique_maps
1321	my ($map, $ob) = @_;
1322		1655
1323	if ($map->per_player) {	1656	Returns an arrayref of paths of all shared maps that have
1324	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1657	instantiated unique items. May block.
1325	}
1326		1658
1327	$map	1659	=cut
1328	}
1329		1660
1330	sub emergency_save {	1661	sub unique_maps() {
1331	local $cf::FREEZE = 1;	1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1663	or return;
1332		1664
1333	warn "enter emergency map save\n";	1665	my @paths;
1334		1666
1335	cf::sync_job {	1667	for (@$files) {
1336	warn "begin emergency map save\n";	1668	utf8::decode $_;
1337	$_->save for values %cf::MAP;	1669	next if /\.pst$/;
		1670	next unless /^$PATH_SEP/o;
		1671
		1672	push @paths, cf::map::normalise $_;
1338	};	1673	}
1339		1674
1340	warn "end emergency map save\n";	1675	\@paths
1341	}	1676	}
1342		1677
1343	package cf;	1678	package cf;
1344		1679
1345	=back	1680	=back
1346		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
1347		1708
1348	=head3 cf::object::player	1709	=head3 cf::object::player
1349		1710
1350	=over 4	1711	=over 4
1351		1712
…		…
1391		1752
1392	=item $player_object->enter_link	1753	=item $player_object->enter_link
1393		1754
1394	Freezes the player and moves him/her to a special map (C<{link}>).	1755	Freezes the player and moves him/her to a special map (C<{link}>).
1395		1756
1396	The player should be reaosnably safe there for short amounts of time. You	1757	The player should be reasonably safe there for short amounts of time. You
1397	I<MUST> call C<leave_link> as soon as possible, though.	1758	I<MUST> call C<leave_link> as soon as possible, though.
1398		1759
		1760	Will never block.
		1761
1399	=item $player_object->leave_link ($map, $x, $y)	1762	=item $player_object->leave_link ($map, $x, $y)
1400		1763
1401	Moves the player out of the specila link map onto the given map. If the	1764	Moves the player out of the special C<{link}> map onto the specified
1402	map is not valid (or omitted), the player will be moved back to the	1765	map. If the map is not valid (or omitted), the player will be moved back
1403	location he/she was before the call to C<enter_link>, or, if that fails,	1766	to the location he/she was before the call to C<enter_link>, or, if that
1404	to the emergency map position.	1767	fails, to the emergency map position.
1405		1768
1406	Might block.	1769	Might block.
1407		1770
1408	=cut	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	}
1409		1782
1410	sub cf::object::player::enter_link {	1783	sub cf::object::player::enter_link {
1411	my ($self) = @_;	1784	my ($self) = @_;
1412		1785
1413	return if $self->map == $LINK_MAP;	1786	$self->deactivate_recursive;
1414		1787
		1788	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1789
1415	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1416	if $self->map;	1791	if $self->map;
1417		1792
1418	$self->enter_map ($LINK_MAP, 20, 20);	1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1419	$self->deactivate_recursive;
1420	}	1794	}
1421		1795
1422	sub cf::object::player::leave_link {	1796	sub cf::object::player::leave_link {
1423	my ($self, $map, $x, $y) = @_;	1797	my ($self, $map, $x, $y) = @_;
1424		1798
1425	my $link_pos = delete $self->{_link_pos};	1799	my $link_pos = delete $self->{_link_pos};
1426		1800
1427	unless ($map) {	1801	unless ($map) {
1428	# restore original map position	1802	# restore original map position
1429	($map, $x, $y) = @{ $link_pos || [] };	1803	($map, $x, $y) = @{ $link_pos || [] };
1430	$map = cf::map::find_map $map;	1804	$map = cf::map::find $map;
1431		1805
1432	unless ($map) {	1806	unless ($map) {
1433	($map, $x, $y) = @$EMERGENCY_POSITION;	1807	($map, $x, $y) = @$EMERGENCY_POSITION;
1434	$map = cf::map::find_map $map	1808	$map = cf::map::find $map
1435	or die "FATAL: cannot load emergency map\n";	1809	or die "FATAL: cannot load emergency map\n";
1436	}	1810	}
1437	}	1811	}
1438		1812
1439	($x, $y) = (-1, -1)	1813	($x, $y) = (-1, -1)
…		…
1442	# use -1 or undef as default coordinates, not 0, 0	1816	# use -1 or undef as default coordinates, not 0, 0
1443	($x, $y) = ($map->enter_x, $map->enter_y)	1817	($x, $y) = ($map->enter_x, $map->enter_y)
1444	if $x <=0 && $y <= 0;	1818	if $x <=0 && $y <= 0;
1445		1819
1446	$map->load;	1820	$map->load;
		1821	$map->load_diag;
1447		1822
		1823	return unless $self->contr->active;
1448	$self->activate_recursive;	1824	$self->activate_recursive;
1449	$self->enter_map ($map, $x, $y);	1825	$self->enter_map ($map, $x, $y);
1450	}	1826	}
1451		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
1452	=item $player_object->goto_map ($path, $x, $y)	1860	=item $player_object->goto ($path, $x, $y)
1453		1861
1454	=cut	1862	=cut
1455		1863
1456	sub cf::object::player::goto_map {	1864	sub cf::object::player::goto {
1457	my ($self, $path, $x, $y) = @_;	1865	my ($self, $path, $x, $y) = @_;
1458		1866
1459	$self->enter_link;	1867	$self->enter_link;
1460		1868
1461	(Coro::async {	1869	(async {
1462	$path = new cf::path $path;	1870	my $map = eval {
1463
1464	my $map = cf::map::find_map $path->as_string;	1871	my $map = cf::map::find $path;
1465	$map = $map->customise_for ($self) if $map;	1872	$map = $map->customise_for ($self) if $map;
1466
1467	warn "entering ", $map->path, " at ($x, $y)\n"
1468	if $map;	1873	$map
1469		1874	} or
1470	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1471		1876
1472	$self->leave_link ($map, $x, $y);	1877	$self->leave_link ($map, $x, $y);
1473	})->prio (1);	1878	})->prio (1);
1474	}	1879	}
1475		1880
…		…
1479		1884
1480	sub parse_random_map_params {	1885	sub parse_random_map_params {
1481	my ($spec) = @_;	1886	my ($spec) = @_;
1482		1887
1483	my $rmp = { # defaults	1888	my $rmp = { # defaults
1484	xsize => 10,	1889	xsize => (cf::rndm 15, 40),
1485	ysize => 10,	1890	ysize => (cf::rndm 15, 40),
		1891	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1892	#layout => string,
1486	};	1893	};
1487		1894
1488	for (split /\n/, $spec) {	1895	for (split /\n/, $spec) {
1489	my ($k, $v) = split /\s+/, $_, 2;	1896	my ($k, $v) = split /\s+/, $_, 2;
1490		1897
…		…
1494	$rmp	1901	$rmp
1495	}	1902	}
1496		1903
1497	sub prepare_random_map {	1904	sub prepare_random_map {
1498	my ($exit) = @_;	1905	my ($exit) = @_;
		1906
		1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1499		1908
1500	# all this does is basically replace the /! path by	1909	# all this does is basically replace the /! path by
1501	# a new random map path (?random/...) with a seed	1910	# a new random map path (?random/...) with a seed
1502	# that depends on the exit object	1911	# that depends on the exit object
1503		1912
1504	my $rmp = parse_random_map_params $exit->msg;	1913	my $rmp = parse_random_map_params $exit->msg;
1505		1914
1506	if ($exit->map) {	1915	if ($exit->map) {
1507	$rmp->{region} = $exit->map->region_name;	1916	$rmp->{region} = $exit->region->name;
1508	$rmp->{origin_map} = $exit->map->path;	1917	$rmp->{origin_map} = $exit->map->path;
1509	$rmp->{origin_x} = $exit->x;	1918	$rmp->{origin_x} = $exit->x;
1510	$rmp->{origin_y} = $exit->y;	1919	$rmp->{origin_y} = $exit->y;
1511	}	1920	}
1512		1921
1513	$rmp->{random_seed} ||= $exit->random_seed;	1922	$rmp->{random_seed} ||= $exit->random_seed;
1514		1923
1515	my $data = cf::to_json $rmp;	1924	my $data = cf::to_json $rmp;
1516	my $md5 = Digest::MD5::md5_hex $data;	1925	my $md5 = Digest::MD5::md5_hex $data;
		1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1517		1927
1518	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) {
1519	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;
1520		1932
1521	$exit->slaying ("?random/$md5");	1933	$exit->slaying ("?random/$md5");
1522	$exit->msg (undef);	1934	$exit->msg (undef);
1523	}	1935	}
1524	}	1936	}
…		…
1526	sub cf::object::player::enter_exit {	1938	sub cf::object::player::enter_exit {
1527	my ($self, $exit) = @_;	1939	my ($self, $exit) = @_;
1528		1940
1529	return unless $self->type == cf::PLAYER;	1941	return unless $self->type == cf::PLAYER;
1530		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
1531	$self->enter_link;	1952	$self->enter_link;
1532		1953
1533	(Coro::async {	1954	(async {
		1955	$self->deactivate_recursive; # just to be sure
1534	unless (eval {	1956	unless (eval {
1535		1957	$self->goto ($slaying, $hp, $sp);
1536	prepare_random_map $exit
1537	if $exit->slaying eq "/!";
1538
1539	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1540	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1541		1958
1542	1;	1959	1;
1543	}) {	1960	}) {
1544	$self->message ("Something went wrong deep within the crossfire server. "	1961	$self->message ("Something went wrong deep within the crossfire server. "
1545	. "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. "
1546	. "Please report this to the dungeon master",	1963	. "Please report this to the dungeon master!",
1547	cf::NDI_UNIQUE | cf::NDI_RED);	1964	cf::NDI_UNIQUE | cf::NDI_RED);
1548		1965
1549	warn "ERROR in enter_exit: $@";	1966	warn "ERROR in enter_exit: $@";
1550	$self->leave_link;	1967	$self->leave_link;
1551	}	1968	}
…		…
1602	on_reply => sub {	2019	on_reply => sub {
1603	my ($ns, $msg) = @_;	2020	my ($ns, $msg) = @_;
1604		2021
1605	# this weird shuffling is so that direct followup queries	2022	# this weird shuffling is so that direct followup queries
1606	# get handled first	2023	# get handled first
1607	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
1608		2026
1609	(shift @$queue)->[1]->($msg);	2027	(shift @$queue)->[1]->($msg);
		2028	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1610		2029
1611	push @{ $ns->{query_queue} }, @$queue;	2030	push @{ $ns->{query_queue} }, @$queue;
1612		2031
1613	if (@{ $ns->{query_queue} } == @$queue) {	2032	if (@{ $ns->{query_queue} } == @$queue) {
1614	if (@$queue) {	2033	if (@$queue) {
…		…
1618	}	2037	}
1619	}	2038	}
1620	},	2039	},
1621	);	2040	);
1622		2041
1623	=item $client->coro (\&cb)	2042	=item $client->async (\&cb)
1624		2043
1625	Create a new coroutine, running the specified callback. The coroutine will	2044	Create a new coroutine, running the specified callback. The coroutine will
1626	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,
1627	or loss of connection).	2046	or loss of connection).
1628		2047
1629	=cut	2048	=cut
1630		2049
1631	sub cf::client::coro {	2050	sub cf::client::async {
1632	my ($self, $cb) = @_;	2051	my ($self, $cb) = @_;
1633		2052
1634	my $coro; $coro = async {	2053	my $coro = &Coro::async ($cb);
1635	eval {
1636	$cb->();
1637	};
1638	warn $@ if $@;
1639	};
1640		2054
1641	$coro->on_destroy (sub {	2055	$coro->on_destroy (sub {
1642	delete $self->{_coro}{$coro+0};	2056	delete $self->{_coro}{$coro+0};
1643	});	2057	});
1644		2058
…		…
1780	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
1781	using it, it should be unique.	2195	using it, it should be unique.
1782		2196
1783	=over 4	2197	=over 4
1784		2198
1785	=item $hashref = cf::db_get $family
1786
1787	Return a hashref for use by the extension C<$family>, which can be
1788	modified. After modifications, you have to call C<cf::db_dirty> or
1789	C<cf::db_sync>.
1790
1791	=item $value = cf::db_get $family => $key	2199	=item $value = cf::db_get $family => $key
1792		2200
1793	Returns a single value from the database	2201	Returns a single value from the database.
1794
1795	=item cf::db_put $family => $hashref
1796
1797	Stores the given family hashref into the database. Updates are delayed, if
1798	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1799		2202
1800	=item cf::db_put $family => $key => $value	2203	=item cf::db_put $family => $key => $value
1801		2204
1802	Stores the given C<$value> in the family hash. Updates are delayed, if you	2205	Stores the given C<$value> in the family.
1803	want the data to be synced to disk immediately, use C<cf::db_sync>.
1804
1805	=item cf::db_dirty
1806
1807	Marks the database as dirty, to be updated at a later time.
1808
1809	=item cf::db_sync
1810
1811	Immediately write the database to disk I<if it is dirty>.
1812		2206
1813	=cut	2207	=cut
1814		2208
1815	our $DB;	2209	our $DB;
1816		2210
1817	{	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
1818	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;
1819		2230
1820	sub db_load() {	2231	cf::db_put (board => data => $pst->{board});
1821	warn "loading database $path\n";#d# remove later	2232	cf::db_put (guildrules => data => $pst->{guildrules});
1822	$DB = stat $path ? Storable::retrieve $path : { };	2233	cf::db_put (rent => balance => $pst->{rent}{balance});
1823	}	2234	BDB::db_env_txn_checkpoint $DB_ENV;
1824		2235
1825	my $pid;	2236	unlink $path;
1826
1827	sub db_save() {
1828	warn "saving database $path\n";#d# remove later
1829	waitpid $pid, 0 if $pid;
1830	if (0 == ($pid = fork)) {
1831	$DB->{_meta}{version} = 1;
1832	Storable::nstore $DB, "$path~";
1833	rename "$path~", $path;
1834	cf::_exit 0 if defined $pid;
1835	}	2237	};
1836	}
1837
1838	my $dirty;
1839
1840	sub db_sync() {
1841	db_save if $dirty;
1842	undef $dirty;
1843	}
1844
1845	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1846	db_sync;
1847	});
1848
1849	sub db_dirty() {
1850	$dirty = 1;
1851	$idle->start;
1852	}
1853
1854	sub db_get($;$) {
1855	@_ >= 2
1856	? $DB->{$_[0]}{$_[1]}
1857	: ($DB->{$_[0]} ||= { })
1858	}
1859
1860	sub db_put($$;$) {
1861	if (@_ >= 3) {
1862	$DB->{$_[0]}{$_[1]} = $_[2];
1863	} else {
1864	$DB->{$_[0]} = $_[1];
1865	}
1866	db_dirty;
1867	}
1868
1869	cf::global->attach (
1870	prio => 10000,
1871	on_cleanup => sub {
1872	db_sync;
1873	},	2238	}
1874	);	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 { };
1875	}	2256	}
1876		2257
1877	#############################################################################	2258	#############################################################################
1878	# 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	}
1879		2265
1880	sub cfg_load {	2266	sub cfg_load {
1881	open my $fh, "<:utf8", cf::confdir . "/config"	2267	open my $fh, "<:utf8", cf::confdir . "/config"
1882	or return;	2268	or return;
1883		2269
1884	local $/;	2270	local $/;
1885	*CFG = YAML::Syck::Load <$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;
1886	}	2289	}
1887		2290
1888	sub main {	2291	sub main {
1889	# we must not ever block the main coroutine	2292	# we must not ever block the main coroutine
1890	local $Coro::idle = sub {	2293	local $Coro::idle = sub {
1891	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2294	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1892	(Coro::unblock_sub {	2295	(async {
1893	Event::one_event;	2296	Event::one_event;
1894	})->();	2297	})->prio (Coro::PRIO_MAX);
1895	};	2298	};
1896		2299
1897	cfg_load;	2300	cfg_load;
1898	db_load;	2301	db_init;
1899	load_extensions;	2302	load_extensions;
		2303
		2304	$TICK_WATCHER->start;
1900	Event::loop;	2305	Event::loop;
1901	}	2306	}
1902		2307
1903	#############################################################################	2308	#############################################################################
1904	# 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 $DB_ENV;
		2353	warn "end emergency database checkpoint\n";
		2354	};
		2355
		2356	warn "leave emergency perl save\n";
		2357	}
		2358
		2359	sub post_cleanup {
		2360	my ($make_core) = @_;
		2361
		2362	warn Carp::longmess "post_cleanup backtrace"
		2363	if $make_core;
		2364	}
1905		2365
1906	sub reload() {	2366	sub reload() {
1907	# can/must only be called in main	2367	# can/must only be called in main
1908	if ($Coro::current != $Coro::main) {	2368	if ($Coro::current != $Coro::main) {
1909	warn "can only reload from main coroutine\n";	2369	warn "can only reload from main coroutine";
1910	return;	2370	return;
1911	}	2371	}
1912		2372
1913	warn "reloading...";	2373	warn "reloading...";
1914		2374
1915	local $FREEZE = 1;	2375	warn "entering sync_job";
		2376
		2377	sync_job {
		2378	write_runtime;
1916	cf::emergency_save;	2379	cf::emergency_save;
		2380	write_runtime;
1917		2381
1918	eval {	2382	warn "syncing database to disk";
		2383	BDB::db_env_txn_checkpoint $DB_ENV;
		2384
1919	# if anything goes wrong in here, we should simply crash as we already saved	2385	# if anything goes wrong in here, we should simply crash as we already saved
1920		2386
1921	# cancel all watchers	2387	warn "cancelling all WF_AUTOCANCEL watchers";
1922	for (Event::all_watchers) {	2388	for (Event::all_watchers) {
1923	$_->cancel if $_->data & WF_AUTOCANCEL;	2389	$_->cancel if $_->data & WF_AUTOCANCEL;
1924	}	2390	}
1925		2391
		2392	warn "flushing outstanding aio requests";
		2393	for (;;) {
		2394	BDB::flush;
		2395	IO::AIO::flush;
		2396	Coro::cede;
		2397	last unless IO::AIO::nreqs || BDB::nreqs;
		2398	warn "iterate...";
		2399	}
		2400
1926	# cancel all extension coros	2401	warn "cancelling all extension coros";
1927	$_->cancel for values %EXT_CORO;	2402	$_->cancel for values %EXT_CORO;
1928	%EXT_CORO = ();	2403	%EXT_CORO = ();
1929		2404
1930	# unload all extensions	2405	warn "removing commands";
1931	for (@exts) {	2406	%COMMAND = ();
		2407
		2408	warn "removing ext commands";
		2409	%EXTCMD = ();
		2410
		2411	warn "unloading/nuking all extensions";
		2412	for my $pkg (@EXTS) {
1932	warn "unloading <$_>";	2413	warn "... unloading $pkg";
1933	unload_extension $_;	2414
		2415	if (my $cb = $pkg->can ("unload")) {
		2416	eval {
		2417	$cb->($pkg);
		2418	1
		2419	} or warn "$pkg unloaded, but with errors: $@";
1934	}	2420	}
1935		2421
		2422	warn "... nuking $pkg";
		2423	Symbol::delete_package $pkg;
		2424	}
		2425
1936	# unload all modules loaded from $LIBDIR	2426	warn "unloading all perl modules loaded from $LIBDIR";
1937	while (my ($k, $v) = each %INC) {	2427	while (my ($k, $v) = each %INC) {
1938	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2428	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1939		2429
1940	warn "removing <$k>";	2430	warn "... unloading $k";
1941	delete $INC{$k};	2431	delete $INC{$k};
1942		2432
1943	$k =~ s/\.pm$//;	2433	$k =~ s/\.pm$//;
1944	$k =~ s/\//::/g;	2434	$k =~ s/\//::/g;
1945		2435
…		…
1948	}	2438	}
1949		2439
1950	Symbol::delete_package $k;	2440	Symbol::delete_package $k;
1951	}	2441	}
1952		2442
1953	# sync database to disk
1954	cf::db_sync;
1955	IO::AIO::flush;
1956
1957	# get rid of safe::, as good as possible	2443	warn "getting rid of safe::, as good as possible";
1958	Symbol::delete_package "safe::$_"	2444	Symbol::delete_package "safe::$_"
1959	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2445	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1960		2446
1961	# remove register_script_function callbacks
1962	# TODO
1963
1964	# unload cf.pm "a bit"	2447	warn "unloading cf.pm \"a bit\"";
1965	delete $INC{"cf.pm"};	2448	delete $INC{"cf.pm"};
1966		2449
1967	# don't, removes xs symbols, too,	2450	# don't, removes xs symbols, too,
1968	# and global variables created in xs	2451	# and global variables created in xs
1969	#Symbol::delete_package __PACKAGE__;	2452	#Symbol::delete_package __PACKAGE__;
1970		2453
1971	# reload cf.pm	2454	warn "unload completed, starting to reload now";
		2455
1972	warn "reloading cf.pm";	2456	warn "reloading cf.pm";
1973	require cf;	2457	require cf;
1974	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2458	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1975		2459
1976	# load config and database again	2460	warn "loading config and database again";
1977	cf::cfg_load;	2461	cf::cfg_load;
1978	cf::db_load;
1979		2462
1980	# load extensions
1981	warn "load extensions";	2463	warn "loading extensions";
1982	cf::load_extensions;	2464	cf::load_extensions;
1983		2465
1984	# reattach attachments to objects	2466	warn "reattaching attachments to objects/players";
1985	warn "reattach";
1986	_global_reattach;	2467	_global_reattach;
1987	};	2468	warn "reattaching attachments to maps";
		2469	reattach $_ for values %MAP;
1988		2470
1989	if ($@) {	2471	warn "loading reloadable resources";
		2472	load_resources;
		2473
		2474	warn "leaving sync_job";
		2475
		2476	1
		2477	} or do {
1990	warn $@;	2478	warn $@;
1991	warn "error while reloading, exiting.";	2479	warn "error while reloading, exiting.";
1992	exit 1;	2480	exit 1;
1993	}	2481	};
1994		2482
1995	warn "reloaded successfully";	2483	warn "reloaded";
1996	};	2484	};
1997		2485
1998	#############################################################################	2486	our $RELOAD_WATCHER; # used only during reload
1999
2000	unless ($LINK_MAP) {
2001	$LINK_MAP = cf::map::new;
2002
2003	$LINK_MAP->width (41);
2004	$LINK_MAP->height (41);
2005	$LINK_MAP->alloc;
2006	$LINK_MAP->path ("{link}");
2007	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2008	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2009
2010	# dirty hack because... archetypes are not yet loaded
2011	Event->timer (
2012	after => 2,
2013	cb => sub {
2014	$_[0]->w->cancel;
2015
2016	# provide some exits "home"
2017	my $exit = cf::object::new "exit";
2018
2019	$exit->slaying ($EMERGENCY_POSITION->[0]);
2020	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2021	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2022
2023	$LINK_MAP->insert ($exit->clone, 19, 19);
2024	$LINK_MAP->insert ($exit->clone, 19, 20);
2025	$LINK_MAP->insert ($exit->clone, 19, 21);
2026	$LINK_MAP->insert ($exit->clone, 20, 19);
2027	$LINK_MAP->insert ($exit->clone, 20, 21);
2028	$LINK_MAP->insert ($exit->clone, 21, 19);
2029	$LINK_MAP->insert ($exit->clone, 21, 20);
2030	$LINK_MAP->insert ($exit->clone, 21, 21);
2031
2032	$exit->destroy;
2033	});
2034
2035	$LINK_MAP->{deny_save} = 1;
2036	$LINK_MAP->{deny_reset} = 1;
2037
2038	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2039	}
2040
2041	register "<global>", __PACKAGE__;
2042		2487
2043	register_command "reload" => sub {	2488	register_command "reload" => sub {
2044	my ($who, $arg) = @_;	2489	my ($who, $arg) = @_;
2045		2490
2046	if ($who->flag (FLAG_WIZ)) {	2491	if ($who->flag (FLAG_WIZ)) {
2047	$who->message ("start of reload.");	2492	$who->message ("reloading server.");
		2493
		2494	# doing reload synchronously and two reloads happen back-to-back,
		2495	# coro crashes during coro_state_free->destroy here.
		2496
		2497	$RELOAD_WATCHER ||= Event->timer (
		2498	reentrant => 0,
		2499	after => 0,
		2500	data => WF_AUTOCANCEL,
		2501	cb => sub {
2048	reload;	2502	reload;
2049	$who->message ("end of reload.");	2503	undef $RELOAD_WATCHER;
		2504	},
		2505	);
2050	}	2506	}
2051	};	2507	};
2052		2508
2053	unshift @INC, $LIBDIR;	2509	unshift @INC, $LIBDIR;
		2510
		2511	my $bug_warning = 0;
2054		2512
2055	$TICK_WATCHER = Event->timer (	2513	$TICK_WATCHER = Event->timer (
2056	reentrant => 0,	2514	reentrant => 0,
		2515	parked => 1,
2057	prio => 0,	2516	prio => 0,
2058	at => $NEXT_TICK || $TICK,	2517	at => $NEXT_TICK || $TICK,
2059	data => WF_AUTOCANCEL,	2518	data => WF_AUTOCANCEL,
2060	cb => sub {	2519	cb => sub {
2061	unless ($FREEZE) {	2520	if ($Coro::current != $Coro::main) {
		2521	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2522	unless ++$bug_warning > 10;
		2523	return;
		2524	}
		2525
		2526	$NOW = Event::time;
		2527
2062	cf::server_tick; # one server iteration	2528	cf::server_tick; # one server iteration
2063	$RUNTIME += $TICK;	2529	$RUNTIME += $TICK;
2064	}
2065
2066	$NEXT_TICK += $TICK;	2530	$NEXT_TICK += $TICK;
		2531
		2532	$WAIT_FOR_TICK->broadcast;
		2533	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2534
		2535	# my $AFTER = Event::time;
		2536	# warn $AFTER - $NOW;#d#
2067		2537
2068	# if we are delayed by four ticks or more, skip them all	2538	# if we are delayed by four ticks or more, skip them all
2069	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2539	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2070		2540
2071	$TICK_WATCHER->at ($NEXT_TICK);	2541	$TICK_WATCHER->at ($NEXT_TICK);
2072	$TICK_WATCHER->start;	2542	$TICK_WATCHER->start;
2073	},	2543	},
2074	);	2544	);
2075		2545
		2546	{
		2547	BDB::max_poll_time $TICK * 0.1;
		2548	$BDB_POLL_WATCHER = Event->io (
		2549	reentrant => 0,
		2550	fd => BDB::poll_fileno,
		2551	poll => 'r',
		2552	prio => 0,
		2553	data => WF_AUTOCANCEL,
		2554	cb => \&BDB::poll_cb,
		2555	);
		2556	BDB::min_parallel 8;
		2557
		2558	BDB::set_sync_prepare {
		2559	my $status;
		2560	my $current = $Coro::current;
		2561	(
		2562	sub {
		2563	$status = $!;
		2564	$current->ready; undef $current;
		2565	},
		2566	sub {
		2567	Coro::schedule while defined $current;
		2568	$! = $status;
		2569	},
		2570	)
		2571	};
		2572
		2573	unless ($DB_ENV) {
		2574	$DB_ENV = BDB::db_env_create;
		2575
		2576	cf::sync_job {
		2577	eval {
		2578	BDB::db_env_open
		2579	$DB_ENV,
		2580	$BDB_ENV_DIR,
		2581	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2582	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2583	0666;
		2584
		2585	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2586
		2587	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2588	$DB_ENV->set_lk_detect;
		2589	};
		2590
		2591	cf::cleanup "db_env_open(db): $@" if $@;
		2592	};
		2593	}
		2594	}
		2595
		2596	{
		2597	IO::AIO::min_parallel 8;
		2598
		2599	undef $Coro::AIO::WATCHER;
2076	IO::AIO::max_poll_time $TICK * 0.2;	2600	IO::AIO::max_poll_time $TICK * 0.1;
2077		2601	$AIO_POLL_WATCHER = Event->io (
2078	Event->io (	2602	reentrant => 0,
2079	fd => IO::AIO::poll_fileno,	2603	fd => IO::AIO::poll_fileno,
2080	poll => 'r',	2604	poll => 'r',
2081	prio => 5,	2605	prio => 6,
2082	data => WF_AUTOCANCEL,	2606	data => WF_AUTOCANCEL,
2083	cb => \&IO::AIO::poll_cb,	2607	cb => \&IO::AIO::poll_cb,
2084	);	2608	);
		2609	}
2085		2610
2086	Event->timer (	2611	$WRITE_RUNTIME_WATCHER = Event->timer (
		2612	reentrant => 0,
2087	data => WF_AUTOCANCEL,	2613	data => WF_AUTOCANCEL,
		2614	parked => 1,
2088	after => 0,	2615	after => 1,
2089	interval => 10,	2616	interval => 10,
		2617	prio => 6, # keep it lowest so it acts like a watchdog
2090	cb => sub {	2618	cb => sub {
2091	(Coro::unblock_sub {	2619	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
		2620
		2621	Coro::async_pool {
2092	write_runtime	2622	write_runtime
2093	or warn "ERROR: unable to write runtime file: $!";	2623	or warn "ERROR: unable to write runtime file: $!";
2094	})->();	2624	};
2095	},	2625	},
2096	);	2626	);
2097		2627
		2628	END { cf::emergency_save }
		2629
2098	1	2630	1
2099		2631

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