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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.128 by root, Wed Jan 3 00:28:47 2007 UTC vs.
Revision 1.209 by root, Mon Feb 12 01:25:55 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 $json
165		210
…		…
181	sub to_json($) {	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	}
185		230
186	=item my $guard = cf::guard { BLOCK }
187
188	Run the given callback when the guard object gets destroyed (useful for
189	coroutine cancellations).
190
191	You can call C<< ->cancel >> on the guard object to stop the block from
192	being executed.
193
194	=cut
195
196	sub guard(&) {
197	bless \(my $cb = $_[0]), cf::guard::;
198	}
199
200	sub cf::guard::cancel {
201	${$_[0]} = sub { };
202	}
203
204	sub cf::guard::DESTROY {
205	${$_[0]}->();
206	}
207
208	=item cf::lock_wait $string	231	=item cf::lock_wait $string
209		232
210	Wait until the given lock is available. See cf::lock_acquire.	233	Wait until the given lock is available. See cf::lock_acquire.
211		234
212	=item my $lock = cf::lock_acquire $string	235	=item my $lock = cf::lock_acquire $string
213		236
214	Wait until the given lock is available and then acquires it and returns	237	Wait until the given lock is available and then acquires it and returns
215	a guard object. If the guard object gets destroyed (goes out of scope,	238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
216	for example when the coroutine gets canceled), the lock is automatically	239	for example when the coroutine gets canceled), the lock is automatically
217	returned.	240	returned.
218		241
219	Lock names should begin with a unique identifier (for example, find_map	242	Lock names should begin with a unique identifier (for example, cf::map::find
220	uses map_find and load_map uses map_load).	243	uses map_find and cf::map::load uses map_load).
221		244
222	=cut	245	=cut
223		246
224	our %LOCK;	247	our %LOCK;
225		248
…		…
239	# wait, to be sure we are not locked	262	# wait, to be sure we are not locked
240	lock_wait $key;	263	lock_wait $key;
241		264
242	$LOCK{$key} = [];	265	$LOCK{$key} = [];
243		266
244	cf::guard {	267	Coro::guard {
245	# wake up all waiters, to be on the safe side	268	# wake up all waiters, to be on the safe side
246	$_->ready for @{ delete $LOCK{$key} };	269	$_->ready for @{ delete $LOCK{$key} };
247	}	270	}
248	}	271	}
249		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	$guard
		283	}
		284
250	=item cf::async { BLOCK }	285	=item cf::async { BLOCK }
251		286
252	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	287	Currently the same as Coro::async_pool, meaning you cannot use
253	error instead of exiting the server in case of a problem.	288	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		289	thing you are allowed to do is call C<prio> on it.
254		290
255	=cut	291	=cut
256		292
257	sub async(&) {	293	BEGIN { *async = \&Coro::async_pool }
258	my ($cb) = @_;
259
260	Coro::async {
261	eval { $cb->() };
262	warn $@ if $@;
263	}
264	}
265		294
266	=item cf::sync_job { BLOCK }	295	=item cf::sync_job { BLOCK }
267		296
268	The design of crossfire+ requires that the main coro ($Coro::main) is	297	The design of crossfire+ requires that the main coro ($Coro::main) is
269	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
…		…
283	# this is the main coro, too bad, we have to block	312	# this is the main coro, too bad, we have to block
284	# till the operation succeeds, freezing the server :/	313	# till the operation succeeds, freezing the server :/
285		314
286	# TODO: use suspend/resume instead	315	# TODO: use suspend/resume instead
287	# (but this is cancel-safe)	316	# (but this is cancel-safe)
288	local $FREEZE = 1;	317	my $freeze_guard = freeze_mainloop;
289		318
290	my $busy = 1;	319	my $busy = 1;
291	my @res;	320	my @res;
292		321
293	(Coro::async {	322	(async {
294	@res = eval { $job->() };	323	@res = eval { $job->() };
295	warn $@ if $@;	324	warn $@ if $@;
296	undef $busy;	325	undef $busy;
297	})->prio (Coro::PRIO_MAX);	326	})->prio (Coro::PRIO_MAX);
298		327
299	while ($busy) {	328	while ($busy) {
300	Coro::cede_notself;	329	Coro::cede or Event::one_event;
301	Event::one_event unless Coro::nready;
302	}	330	}
303		331
304	wantarray ? @res : $res[0]	332	wantarray ? @res : $res[0]
305	} else {	333	} else {
306	# we are in another coroutine, how wonderful, everything just works	334	# we are in another coroutine, how wonderful, everything just works
307		335
308	$job->()	336	$job->()
309	}	337	}
310	}	338	}
311		339
312	=item $coro = cf::coro { BLOCK }	340	=item $coro = cf::async_ext { BLOCK }
313		341
314	Creates and returns a new coro. This coro is automcatially being canceled	342	Like async, but this coro is automatically being canceled when the
315	when the extension calling this is being unloaded.	343	extension calling this is being unloaded.
316		344
317	=cut	345	=cut
318		346
319	sub coro(&) {	347	sub async_ext(&) {
320	my $cb = shift;	348	my $cb = shift;
321		349
322	my $coro = &cf::async ($cb);	350	my $coro = &Coro::async ($cb);
323		351
324	$coro->on_destroy (sub {	352	$coro->on_destroy (sub {
325	delete $EXT_CORO{$coro+0};	353	delete $EXT_CORO{$coro+0};
326	});	354	});
327	$EXT_CORO{$coro+0} = $coro;	355	$EXT_CORO{$coro+0} = $coro;
…		…
333	my $runtime = cf::localdir . "/runtime";	361	my $runtime = cf::localdir . "/runtime";
334		362
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
336	or return;	364	or return;
337		365
		366	my $value = $cf::RUNTIME + 90 + 10;
338	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
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0	370	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;	371	and return;
341		372
		373	# always fsync - this file is important
342	aio_fsync $fh	374	aio_fsync $fh
343	and return;	375	and return;
344		376
345	close $fh	377	close $fh
346	or return;	378	or return;
…		…
352	}	384	}
353		385
354	=back	386	=back
355		387
356	=cut	388	=cut
357
358	#############################################################################
359
360	package cf::path;
361
362	sub new {
363	my ($class, $path, $base) = @_;
364
365	$path = $path->as_string if ref $path;
366
367	my $self = bless { }, $class;
368
369	# {... are special paths that are not touched
370	# ?xxx/... are special absolute paths
371	# ?random/... random maps
372	# /! non-realised random map exit
373	# /... normal maps
374	# ~/... per-player maps without a specific player (DO NOT USE)
375	# ~user/... per-player map of a specific user
376
377	if ($path =~ /^{/) {
378	# fine as it is
379	} elsif ($path =~ s{^\?random/}{}) {
380	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
381	$self->{random} = cf::from_json $data;
382	} else {
383	if ($path =~ s{^~([^/]+)?}{}) {
384	$self->{user_rel} = 1;
385
386	if (defined $1) {
387	$self->{user} = $1;
388	} elsif ($base =~ m{^~([^/]+)/}) {
389	$self->{user} = $1;
390	} else {
391	warn "cannot resolve user-relative path without user <$path,$base>\n";
392	}
393	} elsif ($path =~ /^\//) {
394	# already absolute
395	} else {
396	$base =~ s{[^/]+/?$}{};
397	return $class->new ("$base/$path");
398	}
399
400	for ($path) {
401	redo if s{/\.?/}{/};
402	redo if s{/[^/]+/\.\./}{/};
403	}
404	}
405
406	$self->{path} = $path;
407
408	$self
409	}
410
411	# the name / primary key / in-game path
412	sub as_string {
413	my ($self) = @_;
414
415	$self->{user_rel} ? "~$self->{user}$self->{path}"
416	: $self->{random} ? "?random/$self->{path}"
417	: $self->{path}
418	}
419
420	# the displayed name, this is a one way mapping
421	sub visible_name {
422	my ($self) = @_;
423
424	# if (my $rmp = $self->{random}) {
425	# # todo: be more intelligent about this
426	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
427	# } else {
428	$self->as_string
429	# }
430	}
431
432	# escape the /'s in the path
433	sub _escaped_path {
434	# ∕ is U+2215
435	(my $path = $_[0]{path}) =~ s/\//∕/g;
436	$path
437	}
438
439	# the original (read-only) location
440	sub load_path {
441	my ($self) = @_;
442
443	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
444	}
445
446	# the temporary/swap location
447	sub save_path {
448	my ($self) = @_;
449
450	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
451	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
452	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
453	}
454
455	# the unique path, might be eq to save_path
456	sub uniq_path {
457	my ($self) = @_;
458
459	$self->{user_rel} || $self->{random}
460	? undef
461	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
462	}
463
464	# return random map parameters, or undef
465	sub random_map_params {
466	my ($self) = @_;
467
468	$self->{random}
469	}
470
471	# this is somewhat ugly, but style maps do need special treatment
472	sub is_style_map {
473	$_[0]{path} =~ m{^/styles/}
474	}
475
476	package cf;
477		389
478	#############################################################################	390	#############################################################################
479		391
480	=head2 ATTACHABLE OBJECTS	392	=head2 ATTACHABLE OBJECTS
481		393
…		…
607	our @CB_TYPE = (); # registry for type (cf-object class) based events	519	our @CB_TYPE = (); # registry for type (cf-object class) based events
608	our @CB_MAP = ();	520	our @CB_MAP = ();
609		521
610	my %attachment;	522	my %attachment;
611		523
		524	sub cf::attachable::thawer_merge {
		525	# simply override everything except _meta
		526	local $_[0]{_meta};
		527	%{$_[0]} = %{$_[1]};
		528	}
		529
612	sub _attach_cb($$$$) {	530	sub _attach_cb($$$$) {
613	my ($registry, $event, $prio, $cb) = @_;	531	my ($registry, $event, $prio, $cb) = @_;
614		532
615	use sort 'stable';	533	use sort 'stable';
616		534
…		…
787	# object support	705	# object support
788		706
789	sub reattach {	707	sub reattach {
790	# basically do the same as instantiate, without calling instantiate	708	# basically do the same as instantiate, without calling instantiate
791	my ($obj) = @_;	709	my ($obj) = @_;
		710
		711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
792		712
793	my $registry = $obj->registry;	713	my $registry = $obj->registry;
794		714
795	@$registry = ();	715	@$registry = ();
796		716
…		…
843	$filename, length $$rdata, scalar @$objs;	763	$filename, length $$rdata, scalar @$objs;
844		764
845	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
846	chmod SAVE_MODE, $fh;	766	chmod SAVE_MODE, $fh;
847	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
848	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
849	close $fh;	769	close $fh;
850		770
851	if (@$objs) {	771	if (@$objs) {
852	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) {
853	chmod SAVE_MODE, $fh;	773	chmod SAVE_MODE, $fh;
854	my $data = Storable::nfreeze { version => 1, objs => $objs };	774	my $data = Storable::nfreeze { version => 1, objs => $objs };
855	aio_write $fh, 0, (length $data), $data, 0;	775	aio_write $fh, 0, (length $data), $data, 0;
856	aio_fsync $fh;	776	aio_fsync $fh if $cf::USE_FSYNC;
857	close $fh;	777	close $fh;
858	aio_rename "$filename.pst~", "$filename.pst";	778	aio_rename "$filename.pst~", "$filename.pst";
859	}	779	}
860	} else {	780	} else {
861	aio_unlink "$filename.pst";	781	aio_unlink "$filename.pst";
…		…
867	}	787	}
868	} else {	788	} else {
869	aio_unlink $filename;	789	aio_unlink $filename;
870	aio_unlink "$filename.pst";	790	aio_unlink "$filename.pst";
871	}	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	}
872	}	798	}
873	}	799	}
874		800
875	sub object_freezer_as_string {	801	sub object_freezer_as_string {
876	my ($rdata, $objs) = @_;	802	my ($rdata, $objs) = @_;
…		…
882		808
883	sub object_thawer_load {	809	sub object_thawer_load {
884	my ($filename) = @_;	810	my ($filename) = @_;
885		811
886	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$//;
887		816
888	(aio_load $filename, $data) >= 0	817	(aio_load $filename, $data) >= 0
889	or return;	818	or return;
890		819
891	unless (aio_stat "$filename.pst") {	820	unless (aio_stat "$filename.pst") {
…		…
928	=cut	857	=cut
929		858
930	sub register_extcmd {	859	sub register_extcmd {
931	my ($name, $cb) = @_;	860	my ($name, $cb) = @_;
932		861
933	my $caller = caller;
934	#warn "registering extcmd '$name' to '$caller'";
935
936	$EXTCMD{$name} = [$cb, $caller];	862	$EXTCMD{$name} = $cb;
937	}	863	}
938		864
939	cf::player->attach (	865	cf::player->attach (
940	on_command => sub {	866	on_command => sub {
941	my ($pl, $name, $params) = @_;	867	my ($pl, $name, $params) = @_;
…		…
954		880
955	my $msg = eval { from_json $buf };	881	my $msg = eval { from_json $buf };
956		882
957	if (ref $msg) {	883	if (ref $msg) {
958	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
959	if (my %reply = $cb->[0]->($pl, $msg)) {	885	if (my %reply = $cb->($pl, $msg)) {
960	$pl->ext_reply ($msg->{msgid}, %reply);	886	$pl->ext_reply ($msg->{msgid}, %reply);
961	}	887	}
962	}	888	}
963	} else {	889	} else {
964	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
966		892
967	cf::override;	893	cf::override;
968	},	894	},
969	);	895	);
970		896
971	sub register {
972	my ($base, $pkg) = @_;
973
974	#TODO
975	}
976
977	sub load_extension {	897	sub load_extension {
978	my ($path) = @_;	898	my ($path) = @_;
979		899
980	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
981	my $base = $1;	901	my $base = $1;
982	my $pkg = $1;	902	my $pkg = $1;
983	$pkg =~ s/[^[:word:]]/_/g;	903	$pkg =~ s/[^[:word:]]/_/g;
984	$pkg = "ext::$pkg";	904	$pkg = "ext::$pkg";
985		905
986	warn "loading '$path' into '$pkg'\n";	906	warn "... loading '$path' into '$pkg'\n";
987		907
988	open my $fh, "<:utf8", $path	908	open my $fh, "<:utf8", $path
989	or die "$path: $!";	909	or die "$path: $!";
990		910
991	my $source =	911	my $source =
992	"package $pkg; use strict; use utf8;\n"	912	"package $pkg; use strict; use utf8;\n"
993	. "#line 1 \"$path\"\n{\n"	913	. "#line 1 \"$path\"\n{\n"
994	. (do { local $/; <$fh> })	914	. (do { local $/; <$fh> })
995	. "\n};\n1";	915	. "\n};\n1";
996		916
997	eval $source	917	unless (eval $source) {
998	or die $@ ? "$path: $@\n"	918	my $msg = $@ ? "$path: $@\n"
999	: "extension disabled.\n";	919	: "extension disabled.\n";
1000		920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1001	push @exts, $pkg;	921	warn $@;
1002	$ext_pkg{$base} = $pkg;	922	warn "mandatory extension failed to load, exiting.\n";
1003		923	exit 1;
1004	# no strict 'refs';	924	}
1005	# @{"$pkg\::ISA"} = ext::;	925	die $@;
1006
1007	register $base, $pkg;
1008	}
1009
1010	sub unload_extension {
1011	my ($pkg) = @_;
1012
1013	warn "removing extension $pkg\n";
1014
1015	# remove hooks
1016	#TODO
1017	# for my $idx (0 .. $#PLUGIN_EVENT) {
1018	# delete $hook[$idx]{$pkg};
1019	# }	926	}
1020		927
1021	# remove commands	928	push @EXTS, $pkg;
1022	for my $name (keys %COMMAND) {
1023	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1024
1025	if (@cb) {
1026	$COMMAND{$name} = \@cb;
1027	} else {
1028	delete $COMMAND{$name};
1029	}
1030	}
1031
1032	# remove extcmds
1033	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1034	delete $EXTCMD{$name};
1035	}
1036
1037	if (my $cb = $pkg->can ("unload")) {
1038	eval {
1039	$cb->($pkg);
1040	1
1041	} or warn "$pkg unloaded, but with errors: $@";
1042	}
1043
1044	Symbol::delete_package $pkg;
1045	}	929	}
1046		930
1047	sub load_extensions {	931	sub load_extensions {
1048	for my $ext (<$LIBDIR/*.ext>) {	932	for my $ext (<$LIBDIR/*.ext>) {
1049	next unless -r $ext;	933	next unless -r $ext;
…		…
1053	} or warn "$ext not loaded: $@";	937	} or warn "$ext not loaded: $@";
1054	}	938	}
1055	}	939	}
1056		940
1057	#############################################################################	941	#############################################################################
1058	# load/save/clean perl data associated with a map
1059
1060	*cf::mapsupport::on_clean = sub {
1061	my ($map) = @_;
1062
1063	my $path = $map->tmpname;
1064	defined $path or return;
1065
1066	unlink "$path.pst";
1067	};
1068
1069	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1070
1071	#############################################################################
1072	# load/save perl data associated with player->ob objects
1073
1074	sub all_objects(@) {
1075	@_, map all_objects ($_->inv), @_
1076	}
1077
1078	# TODO: compatibility cruft, remove when no longer needed
1079	cf::player->attach (
1080	on_load => sub {
1081	my ($pl, $path) = @_;
1082
1083	for my $o (all_objects $pl->ob) {
1084	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1085	$o->set_ob_key_value ("_perl_data");
1086
1087	%$o = %{ Storable::thaw pack "H*", $value };
1088	}
1089	}
1090	},
1091	);
1092
1093	#############################################################################
1094		942
1095	=head2 CORE EXTENSIONS	943	=head2 CORE EXTENSIONS
1096		944
1097	Functions and methods that extend core crossfire objects.	945	Functions and methods that extend core crossfire objects.
1098		946
		947	=cut
		948
		949	package cf::player;
		950
		951	use Coro::AIO;
		952
1099	=head3 cf::player	953	=head3 cf::player
1100		954
1101	=over 4	955	=over 4
1102		956
1103	=item cf::player::exists $login	957	=item cf::player::find $login
1104		958
1105	Returns true when the given account exists.	959	Returns the given player object, loading it if necessary (might block).
1106		960
1107	=cut	961	=cut
1108		962
1109	sub cf::player::exists($) {	963	sub playerdir($) {
1110	cf::player::find $_[0]	964	cf::localdir
1111	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
1112	}	1111	}
1113		1112
1114	=item $player->ext_reply ($msgid, $msgtype, %msg)	1113	=item $player->ext_reply ($msgid, $msgtype, %msg)
1115		1114
1116	Sends an ext reply to the player.	1115	Sends an ext reply to the player.
1117		1116
1118	=cut	1117	=cut
1119		1118
1120	sub cf::player::ext_reply($$$%) {	1119	sub ext_reply($$$%) {
1121	my ($self, $id, %msg) = @_;	1120	my ($self, $id, %msg) = @_;
1122		1121
1123	$msg{msgid} = $id;	1122	$msg{msgid} = $id;
1124		1123
1125	$self->send ("ext " . to_json \%msg);	1124	$self->send ("ext " . cf::to_json \%msg);
1126	}	1125	}
		1126
		1127	package cf;
1127		1128
1128	=back	1129	=back
1129		1130
1130		1131
1131	=head3 cf::map	1132	=head3 cf::map
…		…
1137	package cf::map;	1138	package cf::map;
1138		1139
1139	use Fcntl;	1140	use Fcntl;
1140	use Coro::AIO;	1141	use Coro::AIO;
1141		1142
		1143	use overload
		1144	'""' => \&as_string,
		1145	fallback => 1;
		1146
1142	our $MAX_RESET = 7200;	1147	our $MAX_RESET = 3600;
1143	our $DEFAULT_RESET = 3600;	1148	our $DEFAULT_RESET = 3000;
1144		1149
1145	sub generate_random_map {	1150	sub generate_random_map {
1146	my ($path, $rmp) = @_;	1151	my ($self, $rmp) = @_;
1147
1148	# mit "rum" bekleckern, nicht	1152	# mit "rum" bekleckern, nicht
1149	cf::map::_create_random_map	1153	$self->_create_random_map (
1150	$path,
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1154	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1155	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1156	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1154	$rmp->{exit_on_final_map},	1157	$rmp->{exit_on_final_map},
1155	$rmp->{xsize}, $rmp->{ysize},	1158	$rmp->{xsize}, $rmp->{ysize},
1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1159	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1160	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1161	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1159	$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},
1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1163	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1161	(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
1162	}	1295	}
1163		1296
1164	# and all this just because we cannot iterate over	1297	# and all this just because we cannot iterate over
1165	# all maps in C++...	1298	# all maps in C++...
1166	sub change_all_map_light {	1299	sub change_all_map_light {
…		…
1168		1301
1169	$_->change_map_light ($change)	1302	$_->change_map_light ($change)
1170	for grep $_->outdoor, values %cf::MAP;	1303	for grep $_->outdoor, values %cf::MAP;
1171	}	1304	}
1172		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
1173	sub try_load_header($) {	1319	sub load_header_from($) {
1174	my ($path) = @_;	1320	my ($self, $path) = @_;
1175		1321
1176	utf8::encode $path;	1322	utf8::encode $path;
1177	aio_open $path, O_RDONLY, 0	1323	#aio_open $path, O_RDONLY, 0
		1324	# or return;
		1325
		1326	$self->_load_header ($path)
1178	or return;	1327	or return;
1179		1328
1180	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
1181	or return;	1372	or return;
		1373	$self->prepare_orig;
		1374	}
1182		1375
1183	$map->load_header ($path)	1376	1
1184	or return;
1185
1186	$map->{load_path} = $path;
1187
1188	$map
1189	}	1377	}
1190		1378
1191	sub find_map;	1379	sub find;
1192	sub find_map {	1380	sub find {
1193	my ($path, $origin) = @_;	1381	my ($path, $origin) = @_;
1194		1382
1195	#warn "find_map<$path,$origin>\n";#d#
1196
1197	$path = new cf::path $path, $origin && $origin->path;	1383	$path = normalise $path, $origin && $origin->path;
1198	my $key = $path->as_string;
1199		1384
1200	cf::lock_wait "map_find:$key";	1385	cf::lock_wait "map_find:$path";
1201		1386
1202	$cf::MAP{$key} || do {	1387	$cf::MAP{$path} || do {
1203	my $guard = cf::lock_acquire "map_find:$key";	1388	my $guard = cf::lock_acquire "map_find:$path";
1204		1389	my $map = new_from_path cf::map $path
1205	# do it the slow way
1206	my $map = try_load_header $path->save_path;
1207
1208	if ($map) {
1209	# safety
1210	$map->{instantiate_time} = $cf::RUNTIME
1211	if $map->{instantiate_time} > $cf::RUNTIME;
1212	} else {
1213	if (my $rmp = $path->random_map_params) {
1214	$map = generate_random_map $key, $rmp;
1215	} else {
1216	$map = try_load_header $path->load_path;
1217	}
1218
1219	$map or return;	1390	or return;
1220		1391
1221	$map->{load_original} = 1;
1222	$map->{instantiate_time} = $cf::RUNTIME;
1223	$map->instantiate;
1224
1225	# per-player maps become, after loading, normal maps
1226	$map->per_player (0) if $path->{user_rel};
1227	}
1228
1229	$map->path ($key);
1230	$map->{path} = $path;
1231	$map->{last_save} = $cf::RUNTIME;	1392	$map->{last_save} = $cf::RUNTIME;
1232	$map->last_access ($cf::RUNTIME);
1233		1393
1234	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;
1235	$map->reset;	1400	$map->reset;
1236	undef $guard;	1401	undef $guard;
1237	$map = find_map $path	1402	return find $path;
1238	or return;
1239	}	1403	}
1240		1404
1241	$cf::MAP{$key} = $map	1405	$cf::MAP{$path} = $map
1242	}	1406	}
1243	}	1407	}
		1408
		1409	sub pre_load { }
		1410	sub post_load { }
1244		1411
1245	sub load {	1412	sub load {
1246	my ($self) = @_;	1413	my ($self) = @_;
1247		1414
		1415	local $self->{deny_reset} = 1; # loading can take a long time
		1416
1248	my $path = $self->{path};	1417	my $path = $self->{path};
1249	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1418	my $guard = cf::lock_acquire "map_load:$path";
1250		1419
1251	return if $self->in_memory != cf::MAP_SWAPPED;	1420	return if $self->in_memory != cf::MAP_SWAPPED;
1252		1421
1253	$self->in_memory (cf::MAP_LOADING);	1422	$self->in_memory (cf::MAP_LOADING);
1254		1423
1255	$self->alloc;	1424	$self->alloc;
		1425
		1426	$self->pre_load;
		1427
1256	$self->load_objects ($self->{load_path}, 1)	1428	$self->_load_objects ($self->{load_path}, 1)
1257	or return;	1429	or return;
1258		1430
1259	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1260	if delete $self->{load_original};	1432	if delete $self->{load_original};
1261		1433
1262	if (my $uniq = $path->uniq_path) {	1434	if (my $uniq = $self->uniq_path) {
1263	utf8::encode $uniq;	1435	utf8::encode $uniq;
1264	if (aio_open $uniq, O_RDONLY, 0) {	1436	if (aio_open $uniq, O_RDONLY, 0) {
1265	$self->clear_unique_items;	1437	$self->clear_unique_items;
1266	$self->load_objects ($uniq, 0);	1438	$self->_load_objects ($uniq, 0);
1267	}	1439	}
1268	}	1440	}
		1441
		1442	Coro::cede;
1269		1443
1270	# now do the right thing for maps	1444	# now do the right thing for maps
1271	$self->link_multipart_objects;	1445	$self->link_multipart_objects;
1272		1446
1273	if ($self->{path}->is_style_map) {	1447	unless ($self->{deny_activate}) {
1274	$self->{deny_save} = 1;	1448	$self->decay_objects;
1275	$self->{deny_reset} = 1;
1276	} else {
1277	$self->fix_auto_apply;	1449	$self->fix_auto_apply;
1278	$self->decay_objects;
1279	$self->update_buttons;	1450	$self->update_buttons;
		1451	Coro::cede;
1280	$self->set_darkness_map;	1452	$self->set_darkness_map;
1281	$self->difficulty ($self->estimate_difficulty)	1453	$self->difficulty ($self->estimate_difficulty)
1282	unless $self->difficulty;	1454	unless $self->difficulty;
		1455	Coro::cede;
1283	$self->activate;	1456	$self->activate;
1284	}	1457	}
1285		1458
		1459	$self->post_load;
		1460
1286	$self->in_memory (cf::MAP_IN_MEMORY);	1461	$self->in_memory (cf::MAP_IN_MEMORY);
1287	}	1462	}
1288		1463
1289	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 {
1290	my ($path, $origin) = @_;	1498	my ($path, $origin) = @_;
1291		1499
1292	#warn "load_map_sync<$path, $origin>\n";#d#	1500	cf::sync_job { find $path, $origin }
		1501	}
1293		1502
1294	cf::sync_job {	1503	sub do_load_sync {
1295	my $map = cf::map::find_map $path, $origin	1504	my ($map) = @_;
1296	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;
1297	$map->load;	1527	$map->load;
1298	$map	1528
		1529	delete $MAP_PREFETCH{$path};
		1530	}
		1531	}
		1532	undef $MAP_PREFETCHER;
1299	}	1533	};
		1534	$MAP_PREFETCHER->prio (6);
		1535
		1536	()
1300	}	1537	}
1301		1538
1302	sub save {	1539	sub save {
1303	my ($self) = @_;	1540	my ($self) = @_;
1304		1541
		1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1543
1305	$self->{last_save} = $cf::RUNTIME;	1544	$self->{last_save} = $cf::RUNTIME;
1306		1545
1307	return unless $self->dirty;	1546	return unless $self->dirty;
1308		1547
1309	my $save = $self->{path}->save_path; utf8::encode $save;	1548	my $save = $self->save_path; utf8::encode $save;
1310	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1549	my $uniq = $self->uniq_path; utf8::encode $uniq;
1311		1550
1312	$self->{load_path} = $save;	1551	$self->{load_path} = $save;
1313		1552
1314	return if $self->{deny_save};	1553	return if $self->{deny_save};
1315		1554
		1555	local $self->{last_access} = $self->last_access;#d#
		1556
		1557	cf::async {
		1558	$_->contr->save for $self->players;
		1559	};
		1560
1316	if ($uniq) {	1561	if ($uniq) {
1317	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318	$self->save_objects ($uniq, cf::IO_UNIQUES);	1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1319	} else {	1564	} else {
1320	$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);
1321	}	1566	}
1322	}	1567	}
1323		1568
1324	sub swap_out {	1569	sub swap_out {
1325	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;
1326		1576
1327	return if $self->players;	1577	return if $self->players;
1328	return if $self->in_memory != cf::MAP_IN_MEMORY;	1578	return if $self->in_memory != cf::MAP_IN_MEMORY;
1329	return if $self->{deny_save};	1579	return if $self->{deny_save};
1330		1580
1331	$self->save;
1332	$self->clear;	1581	$self->clear;
1333	$self->in_memory (cf::MAP_SWAPPED);	1582	$self->in_memory (cf::MAP_SWAPPED);
1334	}	1583	}
1335		1584
1336	sub reset_at {	1585	sub reset_at {
1337	my ($self) = @_;	1586	my ($self) = @_;
1338		1587
1339	# TODO: safety, remove and allow resettable per-player maps	1588	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};	1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1341	return 1e99 if $self->{deny_reset};	1590	return 1e99 if $self->{deny_reset};
1342		1591
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	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;
1345		1594
…		…
1350	my ($self) = @_;	1599	my ($self) = @_;
1351		1600
1352	$self->reset_at <= $cf::RUNTIME	1601	$self->reset_at <= $cf::RUNTIME
1353	}	1602	}
1354		1603
1355	sub unlink_save {
1356	my ($self) = @_;
1357
1358	utf8::encode (my $save = $self->{path}->save_path);
1359	aioreq_pri 3; IO::AIO::aio_unlink $save;
1360	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1361	}
1362
1363	sub rename {
1364	my ($self, $new_path) = @_;
1365
1366	$self->unlink_save;
1367
1368	delete $cf::MAP{$self->path};
1369	$self->{path} = new cf::path $new_path;
1370	$self->path ($self->{path}->as_string);
1371	$cf::MAP{$self->path} = $self;
1372
1373	$self->save;
1374	}
1375
1376	sub reset {	1604	sub reset {
1377	my ($self) = @_;	1605	my ($self) = @_;
1378		1606
		1607	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1608
1379	return if $self->players;	1609	return if $self->players;
1380	return if $self->{path}{user_rel};#d#	1610	return if $self->isa ("ext::map_per_player");#d#
1381		1611
1382	warn "resetting map ", $self->path;#d#	1612	warn "resetting map ", $self->path;#d#
1383		1613
1384	delete $cf::MAP{$self->path};	1614	delete $cf::MAP{$self->path};
		1615
		1616	$self->in_memory (cf::MAP_SWAPPED);
		1617	$self->clear;
1385		1618
1386	$_->clear_links_to ($self) for values %cf::MAP;	1619	$_->clear_links_to ($self) for values %cf::MAP;
1387		1620
1388	$self->unlink_save;	1621	$self->unlink_save;
1389	$self->destroy;	1622	$self->destroy;
…		…
1392	my $nuke_counter = "aaaa";	1625	my $nuke_counter = "aaaa";
1393		1626
1394	sub nuke {	1627	sub nuke {
1395	my ($self) = @_;	1628	my ($self) = @_;
1396		1629
		1630	delete $cf::MAP{$self->path};
		1631
		1632	$self->unlink_save;
		1633
		1634	bless $self, "cf::map";
		1635	delete $self->{deny_reset};
1397	$self->{deny_save} = 1;	1636	$self->{deny_save} = 1;
1398	$self->reset_timeout (1);	1637	$self->reset_timeout (1);
1399	$self->rename ("{nuke}/" . ($nuke_counter++));	1638	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1639
		1640	$cf::MAP{$self->path} = $self;
		1641
1400	$self->reset; # polite request, might not happen	1642	$self->reset; # polite request, might not happen
1401	}	1643	}
1402		1644
1403	sub customise_for {	1645	=item cf::map::unique_maps
1404	my ($map, $ob) = @_;
1405		1646
1406	if ($map->per_player) {	1647	Returns an arrayref of paths of all shared maps that have
1407	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1648	instantiated unique items. May block.
1408	}
1409		1649
1410	$map	1650	=cut
1411	}
1412		1651
1413	sub emergency_save {	1652	sub unique_maps() {
1414	local $cf::FREEZE = 1;	1653	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1654	or return;
1415		1655
1416	warn "enter emergency map save\n";	1656	my @paths;
1417		1657
1418	cf::sync_job {	1658	for (@$files) {
1419	warn "begin emergency map save\n";	1659	utf8::decode $_;
1420	$_->save for values %cf::MAP;	1660	next if /\.pst$/;
		1661	next unless /^$PATH_SEP/o;
		1662
		1663	push @paths, cf::map::normalise $_;
1421	};	1664	}
1422		1665
1423	warn "end emergency map save\n";	1666	\@paths
1424	}	1667	}
1425		1668
1426	package cf;	1669	package cf;
1427		1670
1428	=back	1671	=back
1429		1672
		1673	=head3 cf::object
		1674
		1675	=cut
		1676
		1677	package cf::object;
		1678
		1679	=over 4
		1680
		1681	=item $ob->inv_recursive
		1682
		1683	Returns the inventory of the object _and_ their inventories, recursively.
		1684
		1685	=cut
		1686
		1687	sub inv_recursive_;
		1688	sub inv_recursive_ {
		1689	map { $_, inv_recursive_ $_->inv } @_
		1690	}
		1691
		1692	sub inv_recursive {
		1693	inv_recursive_ inv $_[0]
		1694	}
		1695
		1696	package cf;
		1697
		1698	=back
1430		1699
1431	=head3 cf::object::player	1700	=head3 cf::object::player
1432		1701
1433	=over 4	1702	=over 4
1434		1703
…		…
1474		1743
1475	=item $player_object->enter_link	1744	=item $player_object->enter_link
1476		1745
1477	Freezes the player and moves him/her to a special map (C<{link}>).	1746	Freezes the player and moves him/her to a special map (C<{link}>).
1478		1747
1479	The player should be reaosnably safe there for short amounts of time. You	1748	The player should be reasonably safe there for short amounts of time. You
1480	I<MUST> call C<leave_link> as soon as possible, though.	1749	I<MUST> call C<leave_link> as soon as possible, though.
1481		1750
		1751	Will never block.
		1752
1482	=item $player_object->leave_link ($map, $x, $y)	1753	=item $player_object->leave_link ($map, $x, $y)
1483		1754
1484	Moves the player out of the specila link map onto the given map. If the	1755	Moves the player out of the special C<{link}> map onto the specified
1485	map is not valid (or omitted), the player will be moved back to the	1756	map. If the map is not valid (or omitted), the player will be moved back
1486	location he/she was before the call to C<enter_link>, or, if that fails,	1757	to the location he/she was before the call to C<enter_link>, or, if that
1487	to the emergency map position.	1758	fails, to the emergency map position.
1488		1759
1489	Might block.	1760	Might block.
1490		1761
1491	=cut	1762	=cut
		1763
		1764	sub link_map {
		1765	unless ($LINK_MAP) {
		1766	$LINK_MAP = cf::map::find "{link}"
		1767	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1768	$LINK_MAP->load;
		1769	}
		1770
		1771	$LINK_MAP
		1772	}
1492		1773
1493	sub cf::object::player::enter_link {	1774	sub cf::object::player::enter_link {
1494	my ($self) = @_;	1775	my ($self) = @_;
1495		1776
1496	$self->deactivate_recursive;	1777	$self->deactivate_recursive;
1497		1778
1498	return if $self->map == $LINK_MAP;	1779	return if UNIVERSAL::isa $self->map, "ext::map_link";
1499		1780
1500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1781	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1501	if $self->map;	1782	if $self->map;
1502		1783
1503	$self->enter_map ($LINK_MAP, 20, 20);	1784	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1504	}	1785	}
1505		1786
1506	sub cf::object::player::leave_link {	1787	sub cf::object::player::leave_link {
1507	my ($self, $map, $x, $y) = @_;	1788	my ($self, $map, $x, $y) = @_;
1508		1789
1509	my $link_pos = delete $self->{_link_pos};	1790	my $link_pos = delete $self->{_link_pos};
1510		1791
1511	unless ($map) {	1792	unless ($map) {
1512	# restore original map position	1793	# restore original map position
1513	($map, $x, $y) = @{ $link_pos || [] };	1794	($map, $x, $y) = @{ $link_pos || [] };
1514	$map = cf::map::find_map $map;	1795	$map = cf::map::find $map;
1515		1796
1516	unless ($map) {	1797	unless ($map) {
1517	($map, $x, $y) = @$EMERGENCY_POSITION;	1798	($map, $x, $y) = @$EMERGENCY_POSITION;
1518	$map = cf::map::find_map $map	1799	$map = cf::map::find $map
1519	or die "FATAL: cannot load emergency map\n";	1800	or die "FATAL: cannot load emergency map\n";
1520	}	1801	}
1521	}	1802	}
1522		1803
1523	($x, $y) = (-1, -1)	1804	($x, $y) = (-1, -1)
…		…
1526	# use -1 or undef as default coordinates, not 0, 0	1807	# use -1 or undef as default coordinates, not 0, 0
1527	($x, $y) = ($map->enter_x, $map->enter_y)	1808	($x, $y) = ($map->enter_x, $map->enter_y)
1528	if $x <=0 && $y <= 0;	1809	if $x <=0 && $y <= 0;
1529		1810
1530	$map->load;	1811	$map->load;
		1812	$map->load_diag;
1531		1813
		1814	return unless $self->contr->active;
1532	$self->activate_recursive;	1815	$self->activate_recursive;
1533	$self->enter_map ($map, $x, $y);	1816	$self->enter_map ($map, $x, $y);
1534	}	1817	}
1535		1818
1536	cf::player->attach (	1819	cf::player->attach (
…		…
1549		1832
1550	# try to abort aborted map switching on player login :)	1833	# try to abort aborted map switching on player login :)
1551	# should happen only on crashes	1834	# should happen only on crashes
1552	if ($pl->ob->{_link_pos}) {	1835	if ($pl->ob->{_link_pos}) {
1553	$pl->ob->enter_link;	1836	$pl->ob->enter_link;
1554	cf::async {	1837	(async {
1555	# we need this sleep as the login has a concurrent enter_exit running	1838	# we need this sleep as the login has a concurrent enter_exit running
1556	# and this sleep increases chances of the player not ending up in scorn	1839	# and this sleep increases chances of the player not ending up in scorn
		1840	$pl->ob->reply (undef,
		1841	"There was an internal problem at your last logout, "
		1842	. "the server will try to bring you to your intended destination in a second.",
		1843	cf::NDI_RED);
1557	Coro::Timer::sleep 1;	1844	Coro::Timer::sleep 1;
1558	$pl->ob->leave_link;	1845	$pl->ob->leave_link;
1559	};	1846	})->prio (2);
1560	}	1847	}
1561	},	1848	},
1562	);	1849	);
1563		1850
1564	=item $player_object->goto_map ($path, $x, $y)	1851	=item $player_object->goto ($path, $x, $y)
1565		1852
1566	=cut	1853	=cut
1567		1854
1568	sub cf::object::player::goto_map {	1855	sub cf::object::player::goto {
1569	my ($self, $path, $x, $y) = @_;	1856	my ($self, $path, $x, $y) = @_;
1570		1857
1571	$self->enter_link;	1858	$self->enter_link;
1572		1859
1573	(cf::async {	1860	(async {
1574	$path = new cf::path $path;	1861	my $map = eval {
1575
1576	my $map = cf::map::find_map $path->as_string;	1862	my $map = cf::map::find $path;
1577	$map = $map->customise_for ($self) if $map;	1863	$map = $map->customise_for ($self) if $map;
1578		1864	$map
1579	# warn "entering ", $map->path, " at ($x, $y)\n"	1865	} or
1580	# if $map;
1581
1582	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1866	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1583		1867
1584	$self->leave_link ($map, $x, $y);	1868	$self->leave_link ($map, $x, $y);
1585	})->prio (1);	1869	})->prio (1);
1586	}	1870	}
1587		1871
…		…
1591		1875
1592	sub parse_random_map_params {	1876	sub parse_random_map_params {
1593	my ($spec) = @_;	1877	my ($spec) = @_;
1594		1878
1595	my $rmp = { # defaults	1879	my $rmp = { # defaults
1596	xsize => 10,	1880	xsize => (cf::rndm 15, 40),
1597	ysize => 10,	1881	ysize => (cf::rndm 15, 40),
		1882	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1883	#layout => string,
1598	};	1884	};
1599		1885
1600	for (split /\n/, $spec) {	1886	for (split /\n/, $spec) {
1601	my ($k, $v) = split /\s+/, $_, 2;	1887	my ($k, $v) = split /\s+/, $_, 2;
1602		1888
…		…
1606	$rmp	1892	$rmp
1607	}	1893	}
1608		1894
1609	sub prepare_random_map {	1895	sub prepare_random_map {
1610	my ($exit) = @_;	1896	my ($exit) = @_;
		1897
		1898	my $guard = cf::lock_acquire "exit_prepare:$exit";
1611		1899
1612	# all this does is basically replace the /! path by	1900	# all this does is basically replace the /! path by
1613	# a new random map path (?random/...) with a seed	1901	# a new random map path (?random/...) with a seed
1614	# that depends on the exit object	1902	# that depends on the exit object
1615		1903
1616	my $rmp = parse_random_map_params $exit->msg;	1904	my $rmp = parse_random_map_params $exit->msg;
1617		1905
1618	if ($exit->map) {	1906	if ($exit->map) {
1619	$rmp->{region} = $exit->map->region_name;	1907	$rmp->{region} = $exit->region->name;
1620	$rmp->{origin_map} = $exit->map->path;	1908	$rmp->{origin_map} = $exit->map->path;
1621	$rmp->{origin_x} = $exit->x;	1909	$rmp->{origin_x} = $exit->x;
1622	$rmp->{origin_y} = $exit->y;	1910	$rmp->{origin_y} = $exit->y;
1623	}	1911	}
1624		1912
1625	$rmp->{random_seed} ||= $exit->random_seed;	1913	$rmp->{random_seed} ||= $exit->random_seed;
1626		1914
1627	my $data = cf::to_json $rmp;	1915	my $data = cf::to_json $rmp;
1628	my $md5 = Digest::MD5::md5_hex $data;	1916	my $md5 = Digest::MD5::md5_hex $data;
		1917	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1629		1918
1630	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1919	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1631	aio_write $fh, 0, (length $data), $data, 0;	1920	aio_write $fh, 0, (length $data), $data, 0;
		1921	undef $fh;
		1922	aio_rename "$meta~", $meta;
1632		1923
1633	$exit->slaying ("?random/$md5");	1924	$exit->slaying ("?random/$md5");
1634	$exit->msg (undef);	1925	$exit->msg (undef);
1635	}	1926	}
1636	}	1927	}
…		…
1638	sub cf::object::player::enter_exit {	1929	sub cf::object::player::enter_exit {
1639	my ($self, $exit) = @_;	1930	my ($self, $exit) = @_;
1640		1931
1641	return unless $self->type == cf::PLAYER;	1932	return unless $self->type == cf::PLAYER;
1642		1933
		1934	if ($exit->slaying eq "/!") {
		1935	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1936	cf::sync_job { prepare_random_map $exit };
		1937	}
		1938
		1939	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1940	my $hp = $exit->stats->hp;
		1941	my $sp = $exit->stats->sp;
		1942
1643	$self->enter_link;	1943	$self->enter_link;
1644		1944
1645	(cf::async {	1945	(async {
		1946	$self->deactivate_recursive; # just to be sure
1646	unless (eval {	1947	unless (eval {
1647	prepare_random_map $exit	1948	$self->goto ($slaying, $hp, $sp);
1648	if $exit->slaying eq "/!";
1649
1650	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1651	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1652		1949
1653	1;	1950	1;
1654	}) {	1951	}) {
1655	$self->message ("Something went wrong deep within the crossfire server. "	1952	$self->message ("Something went wrong deep within the crossfire server. "
1656	. "I'll try to bring you back to the map you were before. "	1953	. "I'll try to bring you back to the map you were before. "
1657	. "Please report this to the dungeon master",	1954	. "Please report this to the dungeon master!",
1658	cf::NDI_UNIQUE | cf::NDI_RED);	1955	cf::NDI_UNIQUE | cf::NDI_RED);
1659		1956
1660	warn "ERROR in enter_exit: $@";	1957	warn "ERROR in enter_exit: $@";
1661	$self->leave_link;	1958	$self->leave_link;
1662	}	1959	}
…		…
1714	my ($ns, $msg) = @_;	2011	my ($ns, $msg) = @_;
1715		2012
1716	# this weird shuffling is so that direct followup queries	2013	# this weird shuffling is so that direct followup queries
1717	# get handled first	2014	# get handled first
1718	my $queue = delete $ns->{query_queue}	2015	my $queue = delete $ns->{query_queue}
1719	or return; # be conservative, not sure how that cna happen, but we saw a crash here	2016	or return; # be conservative, not sure how that can happen, but we saw a crash here
1720		2017
1721	(shift @$queue)->[1]->($msg);	2018	(shift @$queue)->[1]->($msg);
		2019	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1722		2020
1723	push @{ $ns->{query_queue} }, @$queue;	2021	push @{ $ns->{query_queue} }, @$queue;
1724		2022
1725	if (@{ $ns->{query_queue} } == @$queue) {	2023	if (@{ $ns->{query_queue} } == @$queue) {
1726	if (@$queue) {	2024	if (@$queue) {
…		…
1730	}	2028	}
1731	}	2029	}
1732	},	2030	},
1733	);	2031	);
1734		2032
1735	=item $client->coro (\&cb)	2033	=item $client->async (\&cb)
1736		2034
1737	Create a new coroutine, running the specified callback. The coroutine will	2035	Create a new coroutine, running the specified callback. The coroutine will
1738	be automatically cancelled when the client gets destroyed (e.g. on logout,	2036	be automatically cancelled when the client gets destroyed (e.g. on logout,
1739	or loss of connection).	2037	or loss of connection).
1740		2038
1741	=cut	2039	=cut
1742		2040
1743	sub cf::client::coro {	2041	sub cf::client::async {
1744	my ($self, $cb) = @_;	2042	my ($self, $cb) = @_;
1745		2043
1746	my $coro = &cf::async ($cb);	2044	my $coro = &Coro::async ($cb);
1747		2045
1748	$coro->on_destroy (sub {	2046	$coro->on_destroy (sub {
1749	delete $self->{_coro}{$coro+0};	2047	delete $self->{_coro}{$coro+0};
1750	});	2048	});
1751		2049
…		…
1887	The parameter C<$family> should best start with the name of the extension	2185	The parameter C<$family> should best start with the name of the extension
1888	using it, it should be unique.	2186	using it, it should be unique.
1889		2187
1890	=over 4	2188	=over 4
1891		2189
1892	=item $hashref = cf::db_get $family
1893
1894	Return a hashref for use by the extension C<$family>, which can be
1895	modified. After modifications, you have to call C<cf::db_dirty> or
1896	C<cf::db_sync>.
1897
1898	=item $value = cf::db_get $family => $key	2190	=item $value = cf::db_get $family => $key
1899		2191
1900	Returns a single value from the database	2192	Returns a single value from the database.
1901
1902	=item cf::db_put $family => $hashref
1903
1904	Stores the given family hashref into the database. Updates are delayed, if
1905	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1906		2193
1907	=item cf::db_put $family => $key => $value	2194	=item cf::db_put $family => $key => $value
1908		2195
1909	Stores the given C<$value> in the family hash. Updates are delayed, if you	2196	Stores the given C<$value> in the family.
1910	want the data to be synced to disk immediately, use C<cf::db_sync>.
1911
1912	=item cf::db_dirty
1913
1914	Marks the database as dirty, to be updated at a later time.
1915
1916	=item cf::db_sync
1917
1918	Immediately write the database to disk I<if it is dirty>.
1919		2197
1920	=cut	2198	=cut
1921		2199
1922	our $DB;	2200	our $DB;
1923		2201
1924	{	2202	unless ($DB) {
		2203	$DB = BDB::db_create $DB_ENV;
		2204
		2205	cf::sync_job {
		2206	eval {
		2207	$DB->set_flags (BDB::CHKSUM);
		2208
		2209	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2210	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2211	cf::cleanup "db_open(db): $!" if $!;
		2212	};
		2213	cf::cleanup "db_open(db): $@" if $@;
		2214	};
		2215
1925	my $path = cf::localdir . "/database.pst";	2216	my $path = cf::localdir . "/database.pst";
		2217	if (stat $path) {
		2218	cf::sync_job {
		2219	my $pst = Storable::retrieve $path;
1926		2220
1927	sub db_load() {	2221	cf::db_put (board => data => $pst->{board});
1928	$DB = stat $path ? Storable::retrieve $path : { };	2222	cf::db_put (guildrules => data => $pst->{guildrules});
1929	}	2223	cf::db_put (rent => balance => $pst->{rent}{balance});
		2224	BDB::db_env_txn_checkpoint $DB_ENV;
1930		2225
1931	my $pid;	2226	unlink $path;
1932
1933	sub db_save() {
1934	waitpid $pid, 0 if $pid;
1935	if (0 == ($pid = fork)) {
1936	$DB->{_meta}{version} = 1;
1937	Storable::nstore $DB, "$path~";
1938	rename "$path~", $path;
1939	cf::_exit 0 if defined $pid;
1940	}	2227	};
1941	}
1942
1943	my $dirty;
1944
1945	sub db_sync() {
1946	db_save if $dirty;
1947	undef $dirty;
1948	}
1949
1950	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1951	db_sync;
1952	});	2228	}
		2229	}
1953		2230
1954	sub db_dirty() {
1955	$dirty = 1;
1956	$idle->start;
1957	}
1958
1959	sub db_get($;$) {	2231	sub db_get($$) {
1960	@_ >= 2	2232	my $key = "$_[0]/$_[1]";
1961	? $DB->{$_[0]}{$_[1]}
1962	: ($DB->{$_[0]} ||= { })
1963	}
1964		2233
		2234	cf::sync_job {
		2235	BDB::db_get $DB, undef, $key, my $data;
		2236
		2237	$! ? ()
		2238	: Compress::LZF::sthaw $data
		2239	}
		2240	}
		2241
1965	sub db_put($$;$) {	2242	sub db_put($$$) {
1966	if (@_ >= 3) {	2243	BDB::dbreq_pri 4;
1967	$DB->{$_[0]}{$_[1]} = $_[2];	2244	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1968	} else {
1969	$DB->{$_[0]} = $_[1];
1970	}
1971	db_dirty;
1972	}
1973
1974	cf::global->attach (
1975	prio => 10000,
1976	on_cleanup => sub {
1977	db_sync;
1978	},
1979	);
1980	}	2245	}
1981		2246
1982	#############################################################################	2247	#############################################################################
1983	# the server's main()	2248	# the server's init and main functions
		2249
		2250	sub load_resources {
		2251	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2252	or die "unable to load regions file\n";#d#
		2253	}
1984		2254
1985	sub cfg_load {	2255	sub cfg_load {
1986	open my $fh, "<:utf8", cf::confdir . "/config"	2256	open my $fh, "<:utf8", cf::confdir . "/config"
1987	or return;	2257	or return;
1988		2258
1989	local $/;	2259	local $/;
1990	*CFG = YAML::Syck::Load <$fh>;	2260	*CFG = YAML::Syck::Load <$fh>;
		2261
		2262	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2263
		2264	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2265	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2266
		2267	if (exists $CFG{mlockall}) {
		2268	eval {
		2269	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2270	and die "WARNING: m(un)lockall failed: $!\n";
		2271	};
		2272	warn $@ if $@;
		2273	}
		2274	}
		2275
		2276	sub init {
		2277	load_resources;
1991	}	2278	}
1992		2279
1993	sub main {	2280	sub main {
1994	# we must not ever block the main coroutine	2281	# we must not ever block the main coroutine
1995	local $Coro::idle = sub {	2282	local $Coro::idle = sub {
1996	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2283	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1997	(Coro::unblock_sub {	2284	(async {
1998	Event::one_event;	2285	Event::one_event;
1999	})->();	2286	})->prio (Coro::PRIO_MAX);
2000	};	2287	};
2001		2288
2002	cfg_load;	2289	cfg_load;
2003	db_load;
2004	load_extensions;	2290	load_extensions;
		2291
		2292	$TICK_WATCHER->start;
2005	Event::loop;	2293	Event::loop;
2006	}	2294	}
2007		2295
2008	#############################################################################	2296	#############################################################################
2009	# initialisation	2297	# initialisation and cleanup
		2298
		2299	# install some emergency cleanup handlers
		2300	BEGIN {
		2301	for my $signal (qw(INT HUP TERM)) {
		2302	Event->signal (
		2303	reentrant => 0,
		2304	data => WF_AUTOCANCEL,
		2305	signal => $signal,
		2306	prio => 0,
		2307	cb => sub {
		2308	cf::cleanup "SIG$signal";
		2309	},
		2310	);
		2311	}
		2312	}
		2313
		2314	sub emergency_save() {
		2315	my $freeze_guard = cf::freeze_mainloop;
		2316
		2317	warn "enter emergency perl save\n";
		2318
		2319	cf::sync_job {
		2320	# use a peculiar iteration method to avoid tripping on perl
		2321	# refcount bugs in for. also avoids problems with players
		2322	# and maps saved/destroyed asynchronously.
		2323	warn "begin emergency player save\n";
		2324	for my $login (keys %cf::PLAYER) {
		2325	my $pl = $cf::PLAYER{$login} or next;
		2326	$pl->valid or next;
		2327	$pl->save;
		2328	}
		2329	warn "end emergency player save\n";
		2330
		2331	warn "begin emergency map save\n";
		2332	for my $path (keys %cf::MAP) {
		2333	my $map = $cf::MAP{$path} or next;
		2334	$map->valid or next;
		2335	$map->save;
		2336	}
		2337	warn "end emergency map save\n";
		2338
		2339	warn "begin emergency database checkpoint\n";
		2340	BDB::db_env_txn_checkpoint $DB_ENV;
		2341	warn "end emergency database checkpoint\n";
		2342	};
		2343
		2344	warn "leave emergency perl save\n";
		2345	}
2010		2346
2011	sub reload() {	2347	sub reload() {
2012	# can/must only be called in main	2348	# can/must only be called in main
2013	if ($Coro::current != $Coro::main) {	2349	if ($Coro::current != $Coro::main) {
2014	warn "can only reload from main coroutine\n";	2350	warn "can only reload from main coroutine";
2015	return;	2351	return;
2016	}	2352	}
2017		2353
2018	warn "reloading...";	2354	warn "reloading...";
2019		2355
2020	local $FREEZE = 1;	2356	warn "cancelling server ticker";
		2357	$TICK_WATCHER->cancel;
		2358
2021	cf::emergency_save;	2359	cf::emergency_save;
2022		2360
2023	eval {	2361	eval {
2024	# if anything goes wrong in here, we should simply crash as we already saved	2362	# if anything goes wrong in here, we should simply crash as we already saved
2025		2363
2026	# cancel all watchers	2364	warn "cancelling all WF_AUTOCANCEL watchers";
2027	for (Event::all_watchers) {	2365	for (Event::all_watchers) {
2028	$_->cancel if $_->data & WF_AUTOCANCEL;	2366	$_->cancel if $_->data & WF_AUTOCANCEL;
2029	}	2367	}
2030		2368
		2369	warn "syncing database to disk";
		2370	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		2371
		2372	warn "flushing outstanding aio requests";
		2373	for (;;) {
		2374	BDB::flush;
		2375	IO::AIO::flush;
		2376	Coro::cede;
		2377	last unless IO::AIO::nreqs || BDB::nreqs;
		2378	warn "iterate...";
		2379	}
		2380
2031	# cancel all extension coros	2381	warn "cancelling all extension coros";
2032	$_->cancel for values %EXT_CORO;	2382	$_->cancel for values %EXT_CORO;
2033	%EXT_CORO = ();	2383	%EXT_CORO = ();
2034		2384
2035	# unload all extensions	2385	warn "removing commands";
2036	for (@exts) {	2386	%COMMAND = ();
		2387
		2388	warn "removing ext commands";
		2389	%EXTCMD = ();
		2390
		2391	warn "unloading/nuking all extensions";
		2392	for my $pkg (@EXTS) {
2037	warn "unloading <$_>";	2393	warn "... unloading $pkg";
2038	unload_extension $_;	2394
		2395	if (my $cb = $pkg->can ("unload")) {
		2396	eval {
		2397	$cb->($pkg);
		2398	1
		2399	} or warn "$pkg unloaded, but with errors: $@";
2039	}	2400	}
2040		2401
		2402	warn "... nuking $pkg";
		2403	Symbol::delete_package $pkg;
		2404	}
		2405
2041	# unload all modules loaded from $LIBDIR	2406	warn "unloading all perl modules loaded from $LIBDIR";
2042	while (my ($k, $v) = each %INC) {	2407	while (my ($k, $v) = each %INC) {
2043	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2408	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2044		2409
2045	warn "removing <$k>";	2410	warn "... unloading $k";
2046	delete $INC{$k};	2411	delete $INC{$k};
2047		2412
2048	$k =~ s/\.pm$//;	2413	$k =~ s/\.pm$//;
2049	$k =~ s/\//::/g;	2414	$k =~ s/\//::/g;
2050		2415
…		…
2053	}	2418	}
2054		2419
2055	Symbol::delete_package $k;	2420	Symbol::delete_package $k;
2056	}	2421	}
2057		2422
2058	# sync database to disk
2059	cf::db_sync;
2060	IO::AIO::flush;
2061
2062	# get rid of safe::, as good as possible	2423	warn "getting rid of safe::, as good as possible";
2063	Symbol::delete_package "safe::$_"	2424	Symbol::delete_package "safe::$_"
2064	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2425	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2065		2426
2066	# remove register_script_function callbacks
2067	# TODO
2068
2069	# unload cf.pm "a bit"	2427	warn "unloading cf.pm \"a bit\"";
2070	delete $INC{"cf.pm"};	2428	delete $INC{"cf.pm"};
2071		2429
2072	# don't, removes xs symbols, too,	2430	# don't, removes xs symbols, too,
2073	# and global variables created in xs	2431	# and global variables created in xs
2074	#Symbol::delete_package __PACKAGE__;	2432	#Symbol::delete_package __PACKAGE__;
2075		2433
2076	# reload cf.pm	2434	warn "unload completed, starting to reload now";
		2435
2077	warn "reloading cf.pm";	2436	warn "reloading cf.pm";
2078	require cf;	2437	require cf;
2079	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2438	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2080		2439
2081	# load config and database again	2440	warn "loading config and database again";
2082	cf::cfg_load;	2441	cf::cfg_load;
2083	cf::db_load;
2084		2442
2085	# load extensions
2086	warn "load extensions";	2443	warn "loading extensions";
2087	cf::load_extensions;	2444	cf::load_extensions;
2088		2445
2089	# reattach attachments to objects	2446	warn "reattaching attachments to objects/players";
2090	warn "reattach";
2091	_global_reattach;	2447	_global_reattach;
		2448	warn "reattaching attachments to maps";
		2449	reattach $_ for values %MAP;
		2450
		2451	warn "loading reloadable resources";
		2452	load_resources;
		2453
		2454	warn "restarting server ticker";
		2455
		2456	$TICK_WATCHER->start;
2092	};	2457	};
2093		2458
2094	if ($@) {	2459	if ($@) {
2095	warn $@;	2460	warn $@;
2096	warn "error while reloading, exiting.";	2461	warn "error while reloading, exiting.";
2097	exit 1;	2462	exit 1;
2098	}	2463	}
2099		2464
2100	warn "reloaded successfully";	2465	warn "reloaded";
2101	};	2466	};
2102		2467
2103	#############################################################################	2468	our $RELOAD_WATCHER; # used only during reload
2104
2105	unless ($LINK_MAP) {
2106	$LINK_MAP = cf::map::new;
2107
2108	$LINK_MAP->width (41);
2109	$LINK_MAP->height (41);
2110	$LINK_MAP->alloc;
2111	$LINK_MAP->path ("{link}");
2112	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2113	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2114
2115	# dirty hack because... archetypes are not yet loaded
2116	Event->timer (
2117	after => 2,
2118	cb => sub {
2119	$_[0]->w->cancel;
2120
2121	# provide some exits "home"
2122	my $exit = cf::object::new "exit";
2123
2124	$exit->slaying ($EMERGENCY_POSITION->[0]);
2125	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2126	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2127
2128	$LINK_MAP->insert ($exit->clone, 19, 19);
2129	$LINK_MAP->insert ($exit->clone, 19, 20);
2130	$LINK_MAP->insert ($exit->clone, 19, 21);
2131	$LINK_MAP->insert ($exit->clone, 20, 19);
2132	$LINK_MAP->insert ($exit->clone, 20, 21);
2133	$LINK_MAP->insert ($exit->clone, 21, 19);
2134	$LINK_MAP->insert ($exit->clone, 21, 20);
2135	$LINK_MAP->insert ($exit->clone, 21, 21);
2136
2137	$exit->destroy;
2138	});
2139
2140	$LINK_MAP->{deny_save} = 1;
2141	$LINK_MAP->{deny_reset} = 1;
2142
2143	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2144	}
2145
2146	register "<global>", __PACKAGE__;
2147		2469
2148	register_command "reload" => sub {	2470	register_command "reload" => sub {
2149	my ($who, $arg) = @_;	2471	my ($who, $arg) = @_;
2150		2472
2151	if ($who->flag (FLAG_WIZ)) {	2473	if ($who->flag (FLAG_WIZ)) {
2152	$who->message ("start of reload.");	2474	$who->message ("reloading server.");
		2475
		2476	# doing reload synchronously and two reloads happen back-to-back,
		2477	# coro crashes during coro_state_free->destroy here.
		2478
		2479	$RELOAD_WATCHER ||= Event->timer (
		2480	reentrant => 0,
		2481	after => 0,
		2482	data => WF_AUTOCANCEL,
		2483	cb => sub {
2153	reload;	2484	reload;
2154	$who->message ("end of reload.");	2485	undef $RELOAD_WATCHER;
		2486	},
		2487	);
2155	}	2488	}
2156	};	2489	};
2157		2490
2158	unshift @INC, $LIBDIR;	2491	unshift @INC, $LIBDIR;
		2492
		2493	my $bug_warning = 0;
2159		2494
2160	$TICK_WATCHER = Event->timer (	2495	$TICK_WATCHER = Event->timer (
2161	reentrant => 0,	2496	reentrant => 0,
		2497	parked => 1,
2162	prio => 0,	2498	prio => 0,
2163	at => $NEXT_TICK || $TICK,	2499	at => $NEXT_TICK || $TICK,
2164	data => WF_AUTOCANCEL,	2500	data => WF_AUTOCANCEL,
2165	cb => sub {	2501	cb => sub {
2166	unless ($FREEZE) {	2502	if ($Coro::current != $Coro::main) {
		2503	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2504	unless ++$bug_warning > 10;
		2505	return;
		2506	}
		2507
		2508	$NOW = Event::time;
		2509
2167	cf::server_tick; # one server iteration	2510	cf::server_tick; # one server iteration
2168	$RUNTIME += $TICK;	2511	$RUNTIME += $TICK;
2169	}
2170
2171	$NEXT_TICK += $TICK;	2512	$NEXT_TICK += $TICK;
		2513
		2514	$WAIT_FOR_TICK->broadcast;
		2515	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2516
		2517	Event::sweep;
		2518	Coro::cede_notself;
		2519
		2520	# my $AFTER = Event::time;
		2521	# warn $AFTER - $NOW;#d#
2172		2522
2173	# if we are delayed by four ticks or more, skip them all	2523	# if we are delayed by four ticks or more, skip them all
2174	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2524	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2175		2525
2176	$TICK_WATCHER->at ($NEXT_TICK);	2526	$TICK_WATCHER->at ($NEXT_TICK);
2177	$TICK_WATCHER->start;	2527	$TICK_WATCHER->start;
2178	},	2528	},
2179	);	2529	);
2180		2530
		2531	{
		2532	BDB::max_poll_time $TICK * 0.1;
		2533	$BDB_POLL_WATCHER = Event->io (
		2534	reentrant => 0,
		2535	fd => BDB::poll_fileno,
		2536	poll => 'r',
		2537	prio => 0,
		2538	data => WF_AUTOCANCEL,
		2539	cb => \&BDB::poll_cb,
		2540	);
		2541	BDB::min_parallel 8;
		2542
		2543	BDB::set_sync_prepare {
		2544	my $status;
		2545	my $current = $Coro::current;
		2546	(
		2547	sub {
		2548	$status = $!;
		2549	$current->ready; undef $current;
		2550	},
		2551	sub {
		2552	Coro::schedule while defined $current;
		2553	$! = $status;
		2554	},
		2555	)
		2556	};
		2557
		2558	unless ($DB_ENV) {
		2559	$DB_ENV = BDB::db_env_create;
		2560
		2561	cf::sync_job {
		2562	eval {
		2563	BDB::db_env_open
		2564	$DB_ENV,
		2565	$BDB_ENV_DIR,
		2566	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2567	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2568	0666;
		2569
		2570	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2571
		2572	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2573	$DB_ENV->set_lk_detect;
		2574	};
		2575
		2576	cf::cleanup "db_env_open(db): $@" if $@;
		2577	};
		2578	}
		2579	}
		2580
		2581	{
		2582	IO::AIO::min_parallel 8;
		2583
		2584	undef $Coro::AIO::WATCHER;
2181	IO::AIO::max_poll_time $TICK * 0.2;	2585	IO::AIO::max_poll_time $TICK * 0.1;
2182		2586	$AIO_POLL_WATCHER = Event->io (
2183	Event->io (	2587	reentrant => 0,
2184	fd => IO::AIO::poll_fileno,	2588	fd => IO::AIO::poll_fileno,
2185	poll => 'r',	2589	poll => 'r',
2186	prio => 5,	2590	prio => 6,
2187	data => WF_AUTOCANCEL,	2591	data => WF_AUTOCANCEL,
2188	cb => \&IO::AIO::poll_cb,	2592	cb => \&IO::AIO::poll_cb,
2189	);	2593	);
		2594	}
2190		2595
2191	Event->timer (	2596	$WRITE_RUNTIME_WATCHER = Event->timer (
		2597	reentrant => 0,
2192	data => WF_AUTOCANCEL,	2598	data => WF_AUTOCANCEL,
2193	after => 0,	2599	after => 1,
2194	interval => 10,	2600	interval => 10,
2195	cb => sub {	2601	prio => 6, # keep it lowest so it acts like a watchdog
2196	(Coro::unblock_sub {	2602	cb => Coro::unblock_sub {
2197	write_runtime	2603	write_runtime
2198	or warn "ERROR: unable to write runtime file: $!";	2604	or warn "ERROR: unable to write runtime file: $!";
2199	})->();
2200	},	2605	},
2201	);	2606	);
2202		2607
2203	END { cf::emergency_save }	2608	END { cf::emergency_save }
2204		2609

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