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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.115 by root, Mon Jan 1 16:50:10 2007 UTC vs.
Revision 1.213 by root, Tue Feb 13 20:01:04 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") {
817	(aio_load "$filename.pst", $av) >= 0	821	(aio_load "$filename.pst", $av) >= 0
818	or return;	822	or return;
819	$av = eval { (Storable::thaw $av)->{objs} };	823	$av = eval { (Storable::thaw $av)->{objs} };
820	}	824	}
821		825
		826	warn sprintf "loading %s (%d)\n",
		827	$filename, length $data, scalar @{$av || []};#d#
822	return ($data, $av);	828	return ($data, $av);
823	}	829	}
824		830
825	#############################################################################	831	#############################################################################
826	# command handling &c	832	# command handling &c
…		…
851	=cut	857	=cut
852		858
853	sub register_extcmd {	859	sub register_extcmd {
854	my ($name, $cb) = @_;	860	my ($name, $cb) = @_;
855		861
856	my $caller = caller;
857	#warn "registering extcmd '$name' to '$caller'";
858
859	$EXTCMD{$name} = [$cb, $caller];	862	$EXTCMD{$name} = $cb;
860	}	863	}
861		864
862	cf::player->attach (	865	cf::player->attach (
863	on_command => sub {	866	on_command => sub {
864	my ($pl, $name, $params) = @_;	867	my ($pl, $name, $params) = @_;
…		…
877		880
878	my $msg = eval { from_json $buf };	881	my $msg = eval { from_json $buf };
879		882
880	if (ref $msg) {	883	if (ref $msg) {
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
882	if (my %reply = $cb->[0]->($pl, $msg)) {	885	if (my %reply = $cb->($pl, $msg)) {
883	$pl->ext_reply ($msg->{msgid}, %reply);	886	$pl->ext_reply ($msg->{msgid}, %reply);
884	}	887	}
885	}	888	}
886	} else {	889	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
889		892
890	cf::override;	893	cf::override;
891	},	894	},
892	);	895	);
893		896
894	sub register {
895	my ($base, $pkg) = @_;
896
897	#TODO
898	}
899
900	sub load_extension {	897	sub load_extension {
901	my ($path) = @_;	898	my ($path) = @_;
902		899
903	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
904	my $base = $1;	901	my $base = $1;
905	my $pkg = $1;	902	my $pkg = $1;
906	$pkg =~ s/[^[:word:]]/_/g;	903	$pkg =~ s/[^[:word:]]/_/g;
907	$pkg = "ext::$pkg";	904	$pkg = "ext::$pkg";
908		905
909	warn "loading '$path' into '$pkg'\n";	906	warn "... loading '$path' into '$pkg'\n";
910		907
911	open my $fh, "<:utf8", $path	908	open my $fh, "<:utf8", $path
912	or die "$path: $!";	909	or die "$path: $!";
913		910
914	my $source =	911	my $source =
915	"package $pkg; use strict; use utf8;\n"	912	"package $pkg; use strict; use utf8;\n"
916	. "#line 1 \"$path\"\n{\n"	913	. "#line 1 \"$path\"\n{\n"
917	. (do { local $/; <$fh> })	914	. (do { local $/; <$fh> })
918	. "\n};\n1";	915	. "\n};\n1";
919		916
920	eval $source	917	unless (eval $source) {
921	or die $@ ? "$path: $@\n"	918	my $msg = $@ ? "$path: $@\n"
922	: "extension disabled.\n";	919	: "extension disabled.\n";
923		920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
924	push @exts, $pkg;	921	warn $@;
925	$ext_pkg{$base} = $pkg;	922	warn "mandatory extension failed to load, exiting.\n";
926		923	exit 1;
927	# no strict 'refs';	924	}
928	# @{"$pkg\::ISA"} = ext::;	925	die $@;
929
930	register $base, $pkg;
931	}
932
933	sub unload_extension {
934	my ($pkg) = @_;
935
936	warn "removing extension $pkg\n";
937
938	# remove hooks
939	#TODO
940	# for my $idx (0 .. $#PLUGIN_EVENT) {
941	# delete $hook[$idx]{$pkg};
942	# }	926	}
943		927
944	# remove commands	928	push @EXTS, $pkg;
945	for my $name (keys %COMMAND) {
946	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
947
948	if (@cb) {
949	$COMMAND{$name} = \@cb;
950	} else {
951	delete $COMMAND{$name};
952	}
953	}
954
955	# remove extcmds
956	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
957	delete $EXTCMD{$name};
958	}
959
960	if (my $cb = $pkg->can ("unload")) {
961	eval {
962	$cb->($pkg);
963	1
964	} or warn "$pkg unloaded, but with errors: $@";
965	}
966
967	Symbol::delete_package $pkg;
968	}	929	}
969		930
970	sub load_extensions {	931	sub load_extensions {
971	for my $ext (<$LIBDIR/*.ext>) {	932	for my $ext (<$LIBDIR/*.ext>) {
972	next unless -r $ext;	933	next unless -r $ext;
…		…
976	} or warn "$ext not loaded: $@";	937	} or warn "$ext not loaded: $@";
977	}	938	}
978	}	939	}
979		940
980	#############################################################################	941	#############################################################################
981	# load/save/clean perl data associated with a map
982
983	*cf::mapsupport::on_clean = sub {
984	my ($map) = @_;
985
986	my $path = $map->tmpname;
987	defined $path or return;
988
989	unlink "$path.pst";
990	};
991
992	cf::map->attach (prio => -10000, package => cf::mapsupport::);
993
994	#############################################################################
995	# load/save perl data associated with player->ob objects
996
997	sub all_objects(@) {
998	@_, map all_objects ($_->inv), @_
999	}
1000
1001	# TODO: compatibility cruft, remove when no longer needed
1002	cf::player->attach (
1003	on_load => sub {
1004	my ($pl, $path) = @_;
1005
1006	for my $o (all_objects $pl->ob) {
1007	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1008	$o->set_ob_key_value ("_perl_data");
1009
1010	%$o = %{ Storable::thaw pack "H*", $value };
1011	}
1012	}
1013	},
1014	);
1015
1016	#############################################################################
1017		942
1018	=head2 CORE EXTENSIONS	943	=head2 CORE EXTENSIONS
1019		944
1020	Functions and methods that extend core crossfire objects.	945	Functions and methods that extend core crossfire objects.
1021		946
		947	=cut
		948
		949	package cf::player;
		950
		951	use Coro::AIO;
		952
1022	=head3 cf::player	953	=head3 cf::player
1023		954
1024	=over 4	955	=over 4
1025		956
1026	=item cf::player::exists $login	957	=item cf::player::find $login
1027		958
1028	Returns true when the given account exists.	959	Returns the given player object, loading it if necessary (might block).
1029		960
1030	=cut	961	=cut
1031		962
1032	sub cf::player::exists($) {	963	sub playerdir($) {
1033	cf::player::find $_[0]	964	cf::localdir
1034	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
1035	}	1111	}
1036		1112
1037	=item $player->ext_reply ($msgid, $msgtype, %msg)	1113	=item $player->ext_reply ($msgid, $msgtype, %msg)
1038		1114
1039	Sends an ext reply to the player.	1115	Sends an ext reply to the player.
1040		1116
1041	=cut	1117	=cut
1042		1118
1043	sub cf::player::ext_reply($$$%) {	1119	sub ext_reply($$$%) {
1044	my ($self, $id, %msg) = @_;	1120	my ($self, $id, %msg) = @_;
1045		1121
1046	$msg{msgid} = $id;	1122	$msg{msgid} = $id;
1047		1123
1048	$self->send ("ext " . to_json \%msg);	1124	$self->send ("ext " . cf::to_json \%msg);
1049	}	1125	}
		1126
		1127	package cf;
1050		1128
1051	=back	1129	=back
1052		1130
1053		1131
1054	=head3 cf::map	1132	=head3 cf::map
…		…
1060	package cf::map;	1138	package cf::map;
1061		1139
1062	use Fcntl;	1140	use Fcntl;
1063	use Coro::AIO;	1141	use Coro::AIO;
1064		1142
		1143	use overload
		1144	'""' => \&as_string,
		1145	fallback => 1;
		1146
1065	our $MAX_RESET = 7200;	1147	our $MAX_RESET = 3600;
1066	our $DEFAULT_RESET = 3600;	1148	our $DEFAULT_RESET = 3000;
1067		1149
1068	sub generate_random_map {	1150	sub generate_random_map {
1069	my ($path, $rmp) = @_;	1151	my ($self, $rmp) = @_;
1070
1071	# mit "rum" bekleckern, nicht	1152	# mit "rum" bekleckern, nicht
1072	cf::map::_create_random_map	1153	$self->_create_random_map (
1073	$path,
1074	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1154	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1075	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1155	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1076	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1156	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1077	$rmp->{exit_on_final_map},	1157	$rmp->{exit_on_final_map},
1078	$rmp->{xsize}, $rmp->{ysize},	1158	$rmp->{xsize}, $rmp->{ysize},
1079	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1159	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1080	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1160	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1081	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1161	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1082	$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},
1083	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1163	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1084	(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
1085	}	1295	}
1086		1296
1087	# and all this just because we cannot iterate over	1297	# and all this just because we cannot iterate over
1088	# all maps in C++...	1298	# all maps in C++...
1089	sub change_all_map_light {	1299	sub change_all_map_light {
1090	my ($change) = @_;	1300	my ($change) = @_;
1091		1301
1092	$_->change_map_light ($change) for values %cf::MAP;	1302	$_->change_map_light ($change)
		1303	for grep $_->outdoor, values %cf::MAP;
1093	}	1304	}
1094		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
1095	sub try_load_header($) {	1319	sub load_header_from($) {
1096	my ($path) = @_;	1320	my ($self, $path) = @_;
1097		1321
1098	utf8::encode $path;	1322	utf8::encode $path;
1099	aio_open $path, O_RDONLY, 0	1323	#aio_open $path, O_RDONLY, 0
		1324	# or return;
		1325
		1326	$self->_load_header ($path)
1100	or return;	1327	or return;
1101		1328
1102	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
1103	or return;	1372	or return;
		1373	$self->prepare_orig;
		1374	}
1104		1375
1105	$map->load_header ($path)	1376	1
1106	or return;
1107
1108	$map->{load_path} = $path;
1109
1110	$map
1111	}	1377	}
1112		1378
		1379	sub find;
1113	sub find_map {	1380	sub find {
1114	my ($path, $origin) = @_;	1381	my ($path, $origin) = @_;
1115		1382
1116	#warn "find_map<$path,$origin>\n";#d#
1117
1118	$path = new cf::path $path, $origin && $origin->path;	1383	$path = normalise $path, $origin && $origin->path;
1119	my $key = $path->as_string;
1120		1384
		1385	cf::lock_wait "map_find:$path";
		1386
1121	$cf::MAP{$key} || do {	1387	$cf::MAP{$path} || do {
1122	# do it the slow way	1388	my $guard = cf::lock_acquire "map_find:$path";
1123	my $map = try_load_header $path->save_path;	1389	my $map = new_from_path cf::map $path
1124
1125	if ($map) {
1126	# safety
1127	$map->{instantiate_time} = $cf::RUNTIME
1128	if $map->{instantiate_time} > $cf::RUNTIME;
1129	} else {
1130	if (my $rmp = $path->random_map_params) {
1131	$map = generate_random_map $key, $rmp;
1132	} else {
1133	$map = try_load_header $path->load_path;
1134	}
1135
1136	$map or return;	1390	or return;
1137		1391
1138	$map->{load_original} = 1;
1139	$map->{instantiate_time} = $cf::RUNTIME;
1140	$map->instantiate;
1141
1142	# per-player maps become, after loading, normal maps
1143	$map->per_player (0) if $path->{user_rel};
1144	}
1145
1146	$map->path ($key);
1147	$map->{path} = $path;
1148	$map->last_access ($cf::RUNTIME);	1392	$map->{last_save} = $cf::RUNTIME;
1149		1393
1150	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;
1151	$map->reset;	1400	$map->reset;
1152	$map = find_map $path;	1401	undef $guard;
		1402	return find $path;
1153	}	1403	}
1154		1404
1155	$cf::MAP{$key} = $map	1405	$cf::MAP{$path} = $map
1156	}	1406	}
1157	}	1407	}
		1408
		1409	sub pre_load { }
		1410	sub post_load { }
1158		1411
1159	sub load {	1412	sub load {
1160	my ($self) = @_;	1413	my ($self) = @_;
1161		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
1162	return if $self->in_memory != cf::MAP_SWAPPED;	1420	return if $self->in_memory != cf::MAP_SWAPPED;
1163		1421
1164	$self->in_memory (cf::MAP_LOADING);	1422	$self->in_memory (cf::MAP_LOADING);
1165		1423
1166	my $path = $self->{path};
1167
1168	$self->alloc;	1424	$self->alloc;
		1425
		1426	$self->pre_load;
		1427
1169	$self->load_objects ($self->{load_path}, 1)	1428	$self->_load_objects ($self->{load_path}, 1)
1170	or return;	1429	or return;
1171		1430
1172	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1173	if delete $self->{load_original};	1432	if delete $self->{load_original};
1174		1433
1175	if (my $uniq = $path->uniq_path) {	1434	if (my $uniq = $self->uniq_path) {
1176	utf8::encode $uniq;	1435	utf8::encode $uniq;
1177	if (aio_open $uniq, O_RDONLY, 0) {	1436	if (aio_open $uniq, O_RDONLY, 0) {
1178	$self->clear_unique_items;	1437	$self->clear_unique_items;
1179	$self->load_objects ($uniq, 0);	1438	$self->_load_objects ($uniq, 0);
1180	}	1439	}
1181	}	1440	}
		1441
		1442	Coro::cede;
1182		1443
1183	# now do the right thing for maps	1444	# now do the right thing for maps
1184	$self->link_multipart_objects;	1445	$self->link_multipart_objects;
1185		1446
1186	if ($self->{path}->is_style_map) {	1447	unless ($self->{deny_activate}) {
1187	$self->{deny_save} = 1;	1448	$self->decay_objects;
1188	$self->{deny_reset} = 1;
1189	} else {
1190	$self->fix_auto_apply;	1449	$self->fix_auto_apply;
1191	$self->decay_objects;
1192	$self->update_buttons;	1450	$self->update_buttons;
		1451	Coro::cede;
1193	$self->set_darkness_map;	1452	$self->set_darkness_map;
1194	$self->difficulty ($self->estimate_difficulty)	1453	$self->difficulty ($self->estimate_difficulty)
1195	unless $self->difficulty;	1454	unless $self->difficulty;
		1455	Coro::cede;
1196	$self->activate;	1456	$self->activate;
1197	}	1457	}
1198		1458
		1459	$self->post_load;
		1460
1199	$self->in_memory (cf::MAP_IN_MEMORY);	1461	$self->in_memory (cf::MAP_IN_MEMORY);
1200	}	1462	}
1201		1463
1202	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 {
1203	my ($path, $origin) = @_;	1498	my ($path, $origin) = @_;
1204		1499
1205	#warn "load_map_sync<$path, $origin>\n";#d#	1500	cf::sync_job { find $path, $origin }
		1501	}
1206		1502
1207	cf::sync_job {	1503	sub do_load_sync {
1208	my $map = cf::map::find_map $path, $origin	1504	my ($map) = @_;
1209	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;
1210	$map->load;	1527	$map->load;
1211	$map	1528
		1529	delete $MAP_PREFETCH{$path};
		1530	}
		1531	}
		1532	undef $MAP_PREFETCHER;
1212	}	1533	};
		1534	$MAP_PREFETCHER->prio (6);
		1535
		1536	()
1213	}	1537	}
1214		1538
1215	sub save {	1539	sub save {
1216	my ($self) = @_;	1540	my ($self) = @_;
1217		1541
1218	my $save = $self->{path}->save_path; utf8::encode $save;	1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1219	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1220		1543
1221	$self->{last_save} = $cf::RUNTIME;	1544	$self->{last_save} = $cf::RUNTIME;
1222		1545
1223	return unless $self->dirty;	1546	return unless $self->dirty;
1224		1547
		1548	my $save = $self->save_path; utf8::encode $save;
		1549	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1550
1225	$self->{load_path} = $save;	1551	$self->{load_path} = $save;
1226		1552
1227	return if $self->{deny_save};	1553	return if $self->{deny_save};
1228		1554
		1555	local $self->{last_access} = $self->last_access;#d#
		1556
		1557	cf::async {
		1558	$_->contr->save for $self->players;
		1559	};
		1560
1229	if ($uniq) {	1561	if ($uniq) {
1230	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1231	$self->save_objects ($uniq, cf::IO_UNIQUES);	1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1232	} else {	1564	} else {
1233	$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);
1234	}	1566	}
1235	}	1567	}
1236		1568
1237	sub swap_out {	1569	sub swap_out {
1238	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;
1239		1576
1240	return if $self->players;	1577	return if $self->players;
1241	return if $self->in_memory != cf::MAP_IN_MEMORY;	1578	return if $self->in_memory != cf::MAP_IN_MEMORY;
1242	return if $self->{deny_save};	1579	return if $self->{deny_save};
1243		1580
1244	$self->save;
1245	$self->clear;	1581	$self->clear;
1246	$self->in_memory (cf::MAP_SWAPPED);	1582	$self->in_memory (cf::MAP_SWAPPED);
1247	}	1583	}
1248		1584
1249	sub reset_at {	1585	sub reset_at {
1250	my ($self) = @_;	1586	my ($self) = @_;
1251		1587
1252	# TODO: safety, remove and allow resettable per-player maps	1588	# TODO: safety, remove and allow resettable per-player maps
1253	return 1e99 if $self->{path}{user_rel};	1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1254	return 1e99 if $self->{deny_reset};	1590	return 1e99 if $self->{deny_reset};
1255		1591
1256	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1257	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;
1258		1594
…		…
1263	my ($self) = @_;	1599	my ($self) = @_;
1264		1600
1265	$self->reset_at <= $cf::RUNTIME	1601	$self->reset_at <= $cf::RUNTIME
1266	}	1602	}
1267		1603
1268	sub unlink_save {
1269	my ($self) = @_;
1270
1271	utf8::encode (my $save = $self->{path}->save_path);
1272	aioreq_pri 3; IO::AIO::aio_unlink $save;
1273	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1274	}
1275
1276	sub rename {
1277	my ($self, $new_path) = @_;
1278
1279	$self->unlink_save;
1280
1281	delete $cf::MAP{$self->path};
1282	$self->{path} = new cf::path $new_path;
1283	$self->path ($self->{path}->as_string);
1284	$cf::MAP{$self->path} = $self;
1285
1286	$self->save;
1287	}
1288
1289	sub reset {	1604	sub reset {
1290	my ($self) = @_;	1605	my ($self) = @_;
1291		1606
		1607	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1608
1292	return if $self->players;	1609	return if $self->players;
1293	return if $self->{path}{user_rel};#d#	1610	return if $self->isa ("ext::map_per_player");#d#
1294		1611
1295	warn "resetting map ", $self->path;#d#	1612	warn "resetting map ", $self->path;#d#
1296		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
1297	delete $cf::MAP{$self->path};	1624	delete $cf::MAP{$self->path};
		1625
		1626	$self->clear;
1298		1627
1299	$_->clear_links_to ($self) for values %cf::MAP;	1628	$_->clear_links_to ($self) for values %cf::MAP;
1300		1629
1301	$self->unlink_save;	1630	$self->unlink_save;
1302	$self->destroy;	1631	$self->destroy;
…		…
1305	my $nuke_counter = "aaaa";	1634	my $nuke_counter = "aaaa";
1306		1635
1307	sub nuke {	1636	sub nuke {
1308	my ($self) = @_;	1637	my ($self) = @_;
1309		1638
		1639	delete $cf::MAP{$self->path};
		1640
		1641	$self->unlink_save;
		1642
		1643	bless $self, "cf::map";
		1644	delete $self->{deny_reset};
1310	$self->{deny_save} = 1;	1645	$self->{deny_save} = 1;
1311	$self->reset_timeout (1);	1646	$self->reset_timeout (1);
1312	$self->rename ("{nuke}/" . ($nuke_counter++));	1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1648
		1649	$cf::MAP{$self->path} = $self;
		1650
1313	$self->reset; # polite request, might not happen	1651	$self->reset; # polite request, might not happen
1314	}	1652	}
1315		1653
1316	sub customise_for {	1654	=item cf::map::unique_maps
1317	my ($map, $ob) = @_;
1318		1655
1319	if ($map->per_player) {	1656	Returns an arrayref of paths of all shared maps that have
1320	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1657	instantiated unique items. May block.
1321	}
1322		1658
1323	$map	1659	=cut
1324	}
1325		1660
1326	sub emergency_save {	1661	sub unique_maps() {
1327	local $cf::FREEZE = 1;	1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1663	or return;
1328		1664
1329	warn "enter emergency map save\n";	1665	my @paths;
1330		1666
1331	cf::sync_job {	1667	for (@$files) {
1332	warn "begin emergency map save\n";	1668	utf8::decode $_;
1333	$_->save for values %cf::MAP;	1669	next if /\.pst$/;
		1670	next unless /^$PATH_SEP/o;
		1671
		1672	push @paths, cf::map::normalise $_;
1334	};	1673	}
1335		1674
1336	warn "end emergency map save\n";	1675	\@paths
1337	}	1676	}
1338		1677
1339	package cf;	1678	package cf;
1340		1679
1341	=back	1680	=back
1342		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
1343		1708
1344	=head3 cf::object::player	1709	=head3 cf::object::player
1345		1710
1346	=over 4	1711	=over 4
1347		1712
…		…
1387		1752
1388	=item $player_object->enter_link	1753	=item $player_object->enter_link
1389		1754
1390	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}>).
1391		1756
1392	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
1393	I<MUST> call C<leave_link> as soon as possible, though.	1758	I<MUST> call C<leave_link> as soon as possible, though.
1394		1759
		1760	Will never block.
		1761
1395	=item $player_object->leave_link ($map, $x, $y)	1762	=item $player_object->leave_link ($map, $x, $y)
1396		1763
1397	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
1398	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
1399	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
1400	to the emergency map position.	1767	fails, to the emergency map position.
1401		1768
1402	Might block.	1769	Might block.
1403		1770
1404	=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	}
1405		1782
1406	sub cf::object::player::enter_link {	1783	sub cf::object::player::enter_link {
1407	my ($self) = @_;	1784	my ($self) = @_;
1408		1785
1409	return if $self->map == $LINK_MAP;	1786	$self->deactivate_recursive;
1410		1787
		1788	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1789
1411	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1412	if $self->map;	1791	if $self->map;
1413		1792
1414	$self->enter_map ($LINK_MAP, 20, 20);	1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1415	$self->deactivate_recursive;
1416	}	1794	}
1417		1795
1418	sub cf::object::player::leave_link {	1796	sub cf::object::player::leave_link {
1419	my ($self, $map, $x, $y) = @_;	1797	my ($self, $map, $x, $y) = @_;
1420		1798
1421	my $link_pos = delete $self->{_link_pos};	1799	my $link_pos = delete $self->{_link_pos};
1422		1800
1423	unless ($map) {	1801	unless ($map) {
1424	# restore original map position	1802	# restore original map position
1425	($map, $x, $y) = @{ $link_pos || [] };	1803	($map, $x, $y) = @{ $link_pos || [] };
1426	$map = cf::map::find_map $map;	1804	$map = cf::map::find $map;
1427		1805
1428	unless ($map) {	1806	unless ($map) {
1429	($map, $x, $y) = @$EMERGENCY_POSITION;	1807	($map, $x, $y) = @$EMERGENCY_POSITION;
1430	$map = cf::map::find_map $map	1808	$map = cf::map::find $map
1431	or die "FATAL: cannot load emergency map\n";	1809	or die "FATAL: cannot load emergency map\n";
1432	}	1810	}
1433	}	1811	}
1434		1812
1435	($x, $y) = (-1, -1)	1813	($x, $y) = (-1, -1)
…		…
1438	# use -1 or undef as default coordinates, not 0, 0	1816	# use -1 or undef as default coordinates, not 0, 0
1439	($x, $y) = ($map->enter_x, $map->enter_y)	1817	($x, $y) = ($map->enter_x, $map->enter_y)
1440	if $x <=0 && $y <= 0;	1818	if $x <=0 && $y <= 0;
1441		1819
1442	$map->load;	1820	$map->load;
		1821	$map->load_diag;
1443		1822
		1823	return unless $self->contr->active;
1444	$self->activate_recursive;	1824	$self->activate_recursive;
1445	$self->enter_map ($map, $x, $y);	1825	$self->enter_map ($map, $x, $y);
1446	}	1826	}
1447		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
1448	=item $player_object->goto_map ($map, $x, $y)	1860	=item $player_object->goto ($path, $x, $y)
1449		1861
1450	=cut	1862	=cut
1451		1863
1452	sub cf::object::player::goto_map {	1864	sub cf::object::player::goto {
1453	my ($self, $path, $x, $y) = @_;	1865	my ($self, $path, $x, $y) = @_;
1454		1866
1455	$self->enter_link;	1867	$self->enter_link;
1456		1868
1457	(Coro::async {	1869	(async {
1458	$path = new cf::path $path;	1870	my $map = eval {
1459
1460	my $map = cf::map::find_map $path->as_string;	1871	my $map = cf::map::find $path;
1461	$map = $map->customise_for ($self) if $map;	1872	$map = $map->customise_for ($self) if $map;
1462
1463	warn "entering ", $map->path, " at ($x, $y)\n"
1464	if $map;	1873	$map
1465		1874	} or
1466	$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);
1467		1876
1468	$self->leave_link ($map, $x, $y);	1877	$self->leave_link ($map, $x, $y);
1469	})->prio (1);	1878	})->prio (1);
1470	}	1879	}
1471		1880
…		…
1475		1884
1476	sub parse_random_map_params {	1885	sub parse_random_map_params {
1477	my ($spec) = @_;	1886	my ($spec) = @_;
1478		1887
1479	my $rmp = { # defaults	1888	my $rmp = { # defaults
1480	xsize => 10,	1889	xsize => (cf::rndm 15, 40),
1481	ysize => 10,	1890	ysize => (cf::rndm 15, 40),
		1891	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1892	#layout => string,
1482	};	1893	};
1483		1894
1484	for (split /\n/, $spec) {	1895	for (split /\n/, $spec) {
1485	my ($k, $v) = split /\s+/, $_, 2;	1896	my ($k, $v) = split /\s+/, $_, 2;
1486		1897
…		…
1490	$rmp	1901	$rmp
1491	}	1902	}
1492		1903
1493	sub prepare_random_map {	1904	sub prepare_random_map {
1494	my ($exit) = @_;	1905	my ($exit) = @_;
		1906
		1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1495		1908
1496	# all this does is basically replace the /! path by	1909	# all this does is basically replace the /! path by
1497	# a new random map path (?random/...) with a seed	1910	# a new random map path (?random/...) with a seed
1498	# that depends on the exit object	1911	# that depends on the exit object
1499		1912
1500	my $rmp = parse_random_map_params $exit->msg;	1913	my $rmp = parse_random_map_params $exit->msg;
1501		1914
1502	if ($exit->map) {	1915	if ($exit->map) {
1503	$rmp->{region} = $exit->map->region_name;	1916	$rmp->{region} = $exit->region->name;
1504	$rmp->{origin_map} = $exit->map->path;	1917	$rmp->{origin_map} = $exit->map->path;
1505	$rmp->{origin_x} = $exit->x;	1918	$rmp->{origin_x} = $exit->x;
1506	$rmp->{origin_y} = $exit->y;	1919	$rmp->{origin_y} = $exit->y;
1507	}	1920	}
1508		1921
1509	$rmp->{random_seed} ||= $exit->random_seed;	1922	$rmp->{random_seed} ||= $exit->random_seed;
1510		1923
1511	my $data = cf::to_json $rmp;	1924	my $data = cf::to_json $rmp;
1512	my $md5 = Digest::MD5::md5_hex $data;	1925	my $md5 = Digest::MD5::md5_hex $data;
		1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1513		1927
1514	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) {
1515	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;
1516		1932
1517	$exit->slaying ("?random/$md5");	1933	$exit->slaying ("?random/$md5");
1518	$exit->msg (undef);	1934	$exit->msg (undef);
1519	}	1935	}
1520	}	1936	}
…		…
1522	sub cf::object::player::enter_exit {	1938	sub cf::object::player::enter_exit {
1523	my ($self, $exit) = @_;	1939	my ($self, $exit) = @_;
1524		1940
1525	return unless $self->type == cf::PLAYER;	1941	return unless $self->type == cf::PLAYER;
1526		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
1527	$self->enter_link;	1952	$self->enter_link;
1528		1953
1529	(Coro::async {	1954	(async {
		1955	$self->deactivate_recursive; # just to be sure
1530	unless (eval {	1956	unless (eval {
1531		1957	$self->goto ($slaying, $hp, $sp);
1532	prepare_random_map $exit
1533	if $exit->slaying eq "/!";
1534
1535	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1536	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1537		1958
1538	1;	1959	1;
1539	}) {	1960	}) {
1540	$self->message ("Something went wrong deep within the crossfire server. "	1961	$self->message ("Something went wrong deep within the crossfire server. "
1541	. "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. "
1542	. "Please report this to the dungeon master",	1963	. "Please report this to the dungeon master!",
1543	cf::NDI_UNIQUE | cf::NDI_RED);	1964	cf::NDI_UNIQUE | cf::NDI_RED);
1544		1965
1545	warn "ERROR in enter_exit: $@";	1966	warn "ERROR in enter_exit: $@";
1546	$self->leave_link;	1967	$self->leave_link;
1547	}	1968	}
…		…
1598	on_reply => sub {	2019	on_reply => sub {
1599	my ($ns, $msg) = @_;	2020	my ($ns, $msg) = @_;
1600		2021
1601	# this weird shuffling is so that direct followup queries	2022	# this weird shuffling is so that direct followup queries
1602	# get handled first	2023	# get handled first
1603	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
1604		2026
1605	(shift @$queue)->[1]->($msg);	2027	(shift @$queue)->[1]->($msg);
		2028	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1606		2029
1607	push @{ $ns->{query_queue} }, @$queue;	2030	push @{ $ns->{query_queue} }, @$queue;
1608		2031
1609	if (@{ $ns->{query_queue} } == @$queue) {	2032	if (@{ $ns->{query_queue} } == @$queue) {
1610	if (@$queue) {	2033	if (@$queue) {
…		…
1614	}	2037	}
1615	}	2038	}
1616	},	2039	},
1617	);	2040	);
1618		2041
1619	=item $client->coro (\&cb)	2042	=item $client->async (\&cb)
1620		2043
1621	Create a new coroutine, running the specified callback. The coroutine will	2044	Create a new coroutine, running the specified callback. The coroutine will
1622	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,
1623	or loss of connection).	2046	or loss of connection).
1624		2047
1625	=cut	2048	=cut
1626		2049
1627	sub cf::client::coro {	2050	sub cf::client::async {
1628	my ($self, $cb) = @_;	2051	my ($self, $cb) = @_;
1629		2052
1630	my $coro; $coro = async {	2053	my $coro = &Coro::async ($cb);
1631	eval {
1632	$cb->();
1633	};
1634	warn $@ if $@;
1635	};
1636		2054
1637	$coro->on_destroy (sub {	2055	$coro->on_destroy (sub {
1638	delete $self->{_coro}{$coro+0};	2056	delete $self->{_coro}{$coro+0};
1639	});	2057	});
1640		2058
…		…
1776	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
1777	using it, it should be unique.	2195	using it, it should be unique.
1778		2196
1779	=over 4	2197	=over 4
1780		2198
1781	=item $hashref = cf::db_get $family
1782
1783	Return a hashref for use by the extension C<$family>, which can be
1784	modified. After modifications, you have to call C<cf::db_dirty> or
1785	C<cf::db_sync>.
1786
1787	=item $value = cf::db_get $family => $key	2199	=item $value = cf::db_get $family => $key
1788		2200
1789	Returns a single value from the database	2201	Returns a single value from the database.
1790
1791	=item cf::db_put $family => $hashref
1792
1793	Stores the given family hashref into the database. Updates are delayed, if
1794	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1795		2202
1796	=item cf::db_put $family => $key => $value	2203	=item cf::db_put $family => $key => $value
1797		2204
1798	Stores the given C<$value> in the family hash. Updates are delayed, if you	2205	Stores the given C<$value> in the family.
1799	want the data to be synced to disk immediately, use C<cf::db_sync>.
1800
1801	=item cf::db_dirty
1802
1803	Marks the database as dirty, to be updated at a later time.
1804
1805	=item cf::db_sync
1806
1807	Immediately write the database to disk I<if it is dirty>.
1808		2206
1809	=cut	2207	=cut
1810		2208
1811	our $DB;	2209	our $DB;
1812		2210
1813	{	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
1814	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;
1815		2230
1816	sub db_load() {	2231	cf::db_put (board => data => $pst->{board});
1817	warn "loading database $path\n";#d# remove later	2232	cf::db_put (guildrules => data => $pst->{guildrules});
1818	$DB = stat $path ? Storable::retrieve $path : { };	2233	cf::db_put (rent => balance => $pst->{rent}{balance});
1819	}	2234	BDB::db_env_txn_checkpoint $DB_ENV;
1820		2235
1821	my $pid;	2236	unlink $path;
1822
1823	sub db_save() {
1824	warn "saving database $path\n";#d# remove later
1825	waitpid $pid, 0 if $pid;
1826	if (0 == ($pid = fork)) {
1827	$DB->{_meta}{version} = 1;
1828	Storable::nstore $DB, "$path~";
1829	rename "$path~", $path;
1830	cf::_exit 0 if defined $pid;
1831	}	2237	};
1832	}
1833
1834	my $dirty;
1835
1836	sub db_sync() {
1837	db_save if $dirty;
1838	undef $dirty;
1839	}
1840
1841	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1842	db_sync;
1843	});
1844
1845	sub db_dirty() {
1846	$dirty = 1;
1847	$idle->start;
1848	}
1849
1850	sub db_get($;$) {
1851	@_ >= 2
1852	? $DB->{$_[0]}{$_[1]}
1853	: ($DB->{$_[0]} ||= { })
1854	}
1855
1856	sub db_put($$;$) {
1857	if (@_ >= 3) {
1858	$DB->{$_[0]}{$_[1]} = $_[2];
1859	} else {
1860	$DB->{$_[0]} = $_[1];
1861	}
1862	db_dirty;
1863	}
1864
1865	cf::global->attach (
1866	prio => 10000,
1867	on_cleanup => sub {
1868	db_sync;
1869	},	2238	}
1870	);	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 { };
1871	}	2256	}
1872		2257
1873	#############################################################################	2258	#############################################################################
1874	# 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	}
1875		2265
1876	sub cfg_load {	2266	sub cfg_load {
1877	open my $fh, "<:utf8", cf::confdir . "/config"	2267	open my $fh, "<:utf8", cf::confdir . "/config"
1878	or return;	2268	or return;
1879		2269
1880	local $/;	2270	local $/;
1881	*CFG = YAML::Syck::Load <$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;
1882	}	2289	}
1883		2290
1884	sub main {	2291	sub main {
1885	# we must not ever block the main coroutine	2292	# we must not ever block the main coroutine
1886	local $Coro::idle = sub {	2293	local $Coro::idle = sub {
1887	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#
1888	(Coro::unblock_sub {	2295	(async {
1889	Event::one_event;	2296	Event::one_event;
1890	})->();	2297	})->prio (Coro::PRIO_MAX);
1891	};	2298	};
1892		2299
1893	cfg_load;	2300	cfg_load;
1894	db_load;	2301	db_init;
1895	load_extensions;	2302	load_extensions;
		2303
		2304	$TICK_WATCHER->start;
		2305	$WRITE_RUNTIME_WATCHER->start;
1896	Event::loop;	2306	Event::loop;
1897	}	2307	}
1898		2308
1899	#############################################################################	2309	#############################################################################
1900	# initialisation	2310	# initialisation and cleanup
		2311
		2312	# install some emergency cleanup handlers
		2313	BEGIN {
		2314	for my $signal (qw(INT HUP TERM)) {
		2315	Event->signal (
		2316	reentrant => 0,
		2317	data => WF_AUTOCANCEL,
		2318	signal => $signal,
		2319	prio => 0,
		2320	cb => sub {
		2321	cf::cleanup "SIG$signal";
		2322	},
		2323	);
		2324	}
		2325	}
		2326
		2327	sub emergency_save() {
		2328	my $freeze_guard = cf::freeze_mainloop;
		2329
		2330	warn "enter emergency perl save\n";
		2331
		2332	cf::sync_job {
		2333	# use a peculiar iteration method to avoid tripping on perl
		2334	# refcount bugs in for. also avoids problems with players
		2335	# and maps saved/destroyed asynchronously.
		2336	warn "begin emergency player save\n";
		2337	for my $login (keys %cf::PLAYER) {
		2338	my $pl = $cf::PLAYER{$login} or next;
		2339	$pl->valid or next;
		2340	$pl->save;
		2341	}
		2342	warn "end emergency player save\n";
		2343
		2344	warn "begin emergency map save\n";
		2345	for my $path (keys %cf::MAP) {
		2346	my $map = $cf::MAP{$path} or next;
		2347	$map->valid or next;
		2348	$map->save;
		2349	}
		2350	warn "end emergency map save\n";
		2351
		2352	warn "begin emergency database checkpoint\n";
		2353	BDB::db_env_txn_checkpoint $DB_ENV;
		2354	warn "end emergency database checkpoint\n";
		2355	};
		2356
		2357	warn "leave emergency perl save\n";
		2358	}
		2359
		2360	sub post_cleanup {
		2361	my ($make_core) = @_;
		2362
		2363	warn Carp::longmess "post_cleanup backtrace"
		2364	if $make_core;
		2365	}
1901		2366
1902	sub reload() {	2367	sub reload() {
1903	# can/must only be called in main	2368	# can/must only be called in main
1904	if ($Coro::current != $Coro::main) {	2369	if ($Coro::current != $Coro::main) {
1905	warn "can only reload from main coroutine\n";	2370	warn "can only reload from main coroutine";
1906	return;	2371	return;
1907	}	2372	}
1908		2373
1909	warn "reloading...";	2374	warn "reloading...";
1910		2375
1911	local $FREEZE = 1;	2376	warn "entering sync_job";
		2377
		2378	cf::sync_job {
		2379	cf::write_runtime;
1912	cf::emergency_save;	2380	cf::emergency_save;
		2381	cf::write_runtime;
1913		2382
1914	eval {	2383	warn "syncing database to disk";
		2384	BDB::db_env_txn_checkpoint $DB_ENV;
		2385
1915	# if anything goes wrong in here, we should simply crash as we already saved	2386	# if anything goes wrong in here, we should simply crash as we already saved
1916		2387
1917	# cancel all watchers	2388	warn "cancelling all WF_AUTOCANCEL watchers";
1918	for (Event::all_watchers) {	2389	for (Event::all_watchers) {
1919	$_->cancel if $_->data & WF_AUTOCANCEL;	2390	$_->cancel if $_->data & WF_AUTOCANCEL;
1920	}	2391	}
1921		2392
		2393	warn "flushing outstanding aio requests";
		2394	for (;;) {
		2395	BDB::flush;
		2396	IO::AIO::flush;
		2397	Coro::cede;
		2398	last unless IO::AIO::nreqs || BDB::nreqs;
		2399	warn "iterate...";
		2400	}
		2401
1922	# cancel all extension coros	2402	warn "cancelling all extension coros";
1923	$_->cancel for values %EXT_CORO;	2403	$_->cancel for values %EXT_CORO;
1924	%EXT_CORO = ();	2404	%EXT_CORO = ();
1925		2405
1926	# unload all extensions	2406	warn "removing commands";
1927	for (@exts) {	2407	%COMMAND = ();
		2408
		2409	warn "removing ext commands";
		2410	%EXTCMD = ();
		2411
		2412	warn "unloading/nuking all extensions";
		2413	for my $pkg (@EXTS) {
1928	warn "unloading <$_>";	2414	warn "... unloading $pkg";
1929	unload_extension $_;	2415
		2416	if (my $cb = $pkg->can ("unload")) {
		2417	eval {
		2418	$cb->($pkg);
		2419	1
		2420	} or warn "$pkg unloaded, but with errors: $@";
1930	}	2421	}
1931		2422
		2423	warn "... nuking $pkg";
		2424	Symbol::delete_package $pkg;
		2425	}
		2426
1932	# unload all modules loaded from $LIBDIR	2427	warn "unloading all perl modules loaded from $LIBDIR";
1933	while (my ($k, $v) = each %INC) {	2428	while (my ($k, $v) = each %INC) {
1934	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2429	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1935		2430
1936	warn "removing <$k>";	2431	warn "... unloading $k";
1937	delete $INC{$k};	2432	delete $INC{$k};
1938		2433
1939	$k =~ s/\.pm$//;	2434	$k =~ s/\.pm$//;
1940	$k =~ s/\//::/g;	2435	$k =~ s/\//::/g;
1941		2436
…		…
1944	}	2439	}
1945		2440
1946	Symbol::delete_package $k;	2441	Symbol::delete_package $k;
1947	}	2442	}
1948		2443
1949	# sync database to disk
1950	cf::db_sync;
1951	IO::AIO::flush;
1952
1953	# get rid of safe::, as good as possible	2444	warn "getting rid of safe::, as good as possible";
1954	Symbol::delete_package "safe::$_"	2445	Symbol::delete_package "safe::$_"
1955	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2446	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1956		2447
1957	# remove register_script_function callbacks
1958	# TODO
1959
1960	# unload cf.pm "a bit"	2448	warn "unloading cf.pm \"a bit\"";
1961	delete $INC{"cf.pm"};	2449	delete $INC{"cf.pm"};
1962		2450
1963	# don't, removes xs symbols, too,	2451	# don't, removes xs symbols, too,
1964	# and global variables created in xs	2452	# and global variables created in xs
1965	#Symbol::delete_package __PACKAGE__;	2453	#Symbol::delete_package __PACKAGE__;
1966		2454
1967	# reload cf.pm	2455	warn "unload completed, starting to reload now";
		2456
1968	warn "reloading cf.pm";	2457	warn "reloading cf.pm";
1969	require cf;	2458	require cf;
1970	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1971		2460
1972	# load config and database again	2461	warn "loading config and database again";
1973	cf::cfg_load;	2462	cf::cfg_load;
1974	cf::db_load;
1975		2463
1976	# load extensions
1977	warn "load extensions";	2464	warn "loading extensions";
1978	cf::load_extensions;	2465	cf::load_extensions;
1979		2466
1980	# reattach attachments to objects	2467	warn "reattaching attachments to objects/players";
1981	warn "reattach";
1982	_global_reattach;	2468	_global_reattach;
1983	};	2469	warn "reattaching attachments to maps";
		2470	reattach $_ for values %MAP;
1984		2471
1985	if ($@) {	2472	warn "loading reloadable resources";
		2473	load_resources;
		2474
		2475	warn "leaving sync_job";
		2476
		2477	1
		2478	} or do {
1986	warn $@;	2479	warn $@;
1987	warn "error while reloading, exiting.";	2480	warn "error while reloading, exiting.";
1988	exit 1;	2481	exit 1;
1989	}	2482	};
1990		2483
1991	warn "reloaded successfully";	2484	warn "reloaded";
1992	};	2485	};
1993		2486
1994	#############################################################################	2487	our $RELOAD_WATCHER; # used only during reload
1995
1996	unless ($LINK_MAP) {
1997	$LINK_MAP = cf::map::new;
1998
1999	$LINK_MAP->width (41);
2000	$LINK_MAP->height (41);
2001	$LINK_MAP->alloc;
2002	$LINK_MAP->path ("{link}");
2003	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2004	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2005
2006	# dirty hack because... archetypes are not yet loaded
2007	Event->timer (
2008	after => 2,
2009	cb => sub {
2010	$_[0]->w->cancel;
2011
2012	# provide some exits "home"
2013	my $exit = cf::object::new "exit";
2014
2015	$exit->slaying ($EMERGENCY_POSITION->[0]);
2016	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2017	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2018
2019	$LINK_MAP->insert ($exit->clone, 19, 19);
2020	$LINK_MAP->insert ($exit->clone, 19, 20);
2021	$LINK_MAP->insert ($exit->clone, 19, 21);
2022	$LINK_MAP->insert ($exit->clone, 20, 19);
2023	$LINK_MAP->insert ($exit->clone, 20, 21);
2024	$LINK_MAP->insert ($exit->clone, 21, 19);
2025	$LINK_MAP->insert ($exit->clone, 21, 20);
2026	$LINK_MAP->insert ($exit->clone, 21, 21);
2027
2028	$exit->destroy;
2029	});
2030
2031	$LINK_MAP->{deny_save} = 1;
2032	$LINK_MAP->{deny_reset} = 1;
2033
2034	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2035	}
2036
2037	register "<global>", __PACKAGE__;
2038		2488
2039	register_command "reload" => sub {	2489	register_command "reload" => sub {
2040	my ($who, $arg) = @_;	2490	my ($who, $arg) = @_;
2041		2491
2042	if ($who->flag (FLAG_WIZ)) {	2492	if ($who->flag (FLAG_WIZ)) {
2043	$who->message ("start of reload.");	2493	$who->message ("reloading server.");
		2494
		2495	# doing reload synchronously and two reloads happen back-to-back,
		2496	# coro crashes during coro_state_free->destroy here.
		2497
		2498	$RELOAD_WATCHER ||= Event->timer (
		2499	reentrant => 0,
		2500	after => 0,
		2501	data => WF_AUTOCANCEL,
		2502	cb => sub {
2044	reload;	2503	reload;
2045	$who->message ("end of reload.");	2504	undef $RELOAD_WATCHER;
		2505	},
		2506	);
2046	}	2507	}
2047	};	2508	};
2048		2509
2049	unshift @INC, $LIBDIR;	2510	unshift @INC, $LIBDIR;
		2511
		2512	my $bug_warning = 0;
2050		2513
2051	$TICK_WATCHER = Event->timer (	2514	$TICK_WATCHER = Event->timer (
2052	reentrant => 0,	2515	reentrant => 0,
		2516	parked => 1,
2053	prio => 0,	2517	prio => 0,
2054	at => $NEXT_TICK || $TICK,	2518	at => $NEXT_TICK || $TICK,
2055	data => WF_AUTOCANCEL,	2519	data => WF_AUTOCANCEL,
2056	cb => sub {	2520	cb => sub {
2057	unless ($FREEZE) {	2521	if ($Coro::current != $Coro::main) {
		2522	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2523	unless ++$bug_warning > 10;
		2524	return;
		2525	}
		2526
		2527	$NOW = Event::time;
		2528
2058	cf::server_tick; # one server iteration	2529	cf::server_tick; # one server iteration
2059	$RUNTIME += $TICK;	2530	$RUNTIME += $TICK;
2060	}
2061
2062	$NEXT_TICK += $TICK;	2531	$NEXT_TICK += $TICK;
		2532
		2533	$WAIT_FOR_TICK->broadcast;
		2534	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2535
		2536	# my $AFTER = Event::time;
		2537	# warn $AFTER - $NOW;#d#
2063		2538
2064	# if we are delayed by four ticks or more, skip them all	2539	# if we are delayed by four ticks or more, skip them all
2065	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2540	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2066		2541
2067	$TICK_WATCHER->at ($NEXT_TICK);	2542	$TICK_WATCHER->at ($NEXT_TICK);
2068	$TICK_WATCHER->start;	2543	$TICK_WATCHER->start;
2069	},	2544	},
2070	);	2545	);
2071		2546
		2547	{
		2548	BDB::max_poll_time $TICK * 0.1;
		2549	$BDB_POLL_WATCHER = Event->io (
		2550	reentrant => 0,
		2551	fd => BDB::poll_fileno,
		2552	poll => 'r',
		2553	prio => 0,
		2554	data => WF_AUTOCANCEL,
		2555	cb => \&BDB::poll_cb,
		2556	);
		2557	BDB::min_parallel 8;
		2558
		2559	BDB::set_sync_prepare {
		2560	my $status;
		2561	my $current = $Coro::current;
		2562	(
		2563	sub {
		2564	$status = $!;
		2565	$current->ready; undef $current;
		2566	},
		2567	sub {
		2568	Coro::schedule while defined $current;
		2569	$! = $status;
		2570	},
		2571	)
		2572	};
		2573
		2574	unless ($DB_ENV) {
		2575	$DB_ENV = BDB::db_env_create;
		2576
		2577	cf::sync_job {
		2578	eval {
		2579	BDB::db_env_open
		2580	$DB_ENV,
		2581	$BDB_ENV_DIR,
		2582	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2583	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2584	0666;
		2585
		2586	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2587
		2588	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2589	$DB_ENV->set_lk_detect;
		2590	};
		2591
		2592	cf::cleanup "db_env_open(db): $@" if $@;
		2593	};
		2594	}
		2595	}
		2596
		2597	{
		2598	IO::AIO::min_parallel 8;
		2599
		2600	undef $Coro::AIO::WATCHER;
2072	IO::AIO::max_poll_time $TICK * 0.2;	2601	IO::AIO::max_poll_time $TICK * 0.1;
2073		2602	$AIO_POLL_WATCHER = Event->io (
2074	Event->io (	2603	reentrant => 0,
2075	fd => IO::AIO::poll_fileno,	2604	fd => IO::AIO::poll_fileno,
2076	poll => 'r',	2605	poll => 'r',
2077	prio => 5,	2606	prio => 6,
2078	data => WF_AUTOCANCEL,	2607	data => WF_AUTOCANCEL,
2079	cb => \&IO::AIO::poll_cb,	2608	cb => \&IO::AIO::poll_cb,
2080	);	2609	);
		2610	}
2081		2611
2082	Event->timer (	2612	$WRITE_RUNTIME_WATCHER = Event->timer (
		2613	reentrant => 0,
2083	data => WF_AUTOCANCEL,	2614	data => WF_AUTOCANCEL,
		2615	parked => 1,
2084	after => 0,	2616	after => 1,
2085	interval => 10,	2617	interval => 10,
		2618	prio => 6, # keep it lowest so it acts like a watchdog
2086	cb => sub {	2619	cb => sub {
2087	(Coro::unblock_sub {	2620	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
		2621
		2622	Coro::async_pool {
2088	write_runtime	2623	write_runtime
2089	or warn "ERROR: unable to write runtime file: $!";	2624	or warn "ERROR: unable to write runtime file: $!";
2090	})->();	2625	};
2091	},	2626	},
2092	);	2627	);
2093		2628
		2629	END { cf::emergency_save }
		2630
2094	1	2631	1
2095		2632

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