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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.123 by root, Tue Jan 2 19:18:33 2007 UTC vs.
Revision 1.211 by root, Tue Feb 13 16:23:32 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	}
		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	$guard
		283	}
		284
		285	=item cf::async { BLOCK }
		286
		287	Currently the same as Coro::async_pool, meaning you cannot use
		288	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		289	thing you are allowed to do is call C<prio> on it.
		290
		291	=cut
		292
		293	BEGIN { *async = \&Coro::async_pool }
249		294
250	=item cf::sync_job { BLOCK }	295	=item cf::sync_job { BLOCK }
251		296
252	The design of crossfire+ requires that the main coro ($Coro::main) is	297	The design of crossfire+ requires that the main coro ($Coro::main) is
253	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
…		…
267	# this is the main coro, too bad, we have to block	312	# this is the main coro, too bad, we have to block
268	# till the operation succeeds, freezing the server :/	313	# till the operation succeeds, freezing the server :/
269		314
270	# TODO: use suspend/resume instead	315	# TODO: use suspend/resume instead
271	# (but this is cancel-safe)	316	# (but this is cancel-safe)
272	local $FREEZE = 1;	317	my $freeze_guard = freeze_mainloop;
273		318
274	my $busy = 1;	319	my $busy = 1;
275	my @res;	320	my @res;
276		321
277	(Coro::async {	322	(async {
278	@res = eval { $job->() };	323	@res = eval { $job->() };
279	warn $@ if $@;	324	warn $@ if $@;
280	undef $busy;	325	undef $busy;
281	})->prio (Coro::PRIO_MAX);	326	})->prio (Coro::PRIO_MAX);
282		327
283	while ($busy) {	328	while ($busy) {
284	Coro::cede_notself;	329	Coro::cede or Event::one_event;
285	Event::one_event unless Coro::nready;
286	}	330	}
287		331
288	wantarray ? @res : $res[0]	332	wantarray ? @res : $res[0]
289	} else {	333	} else {
290	# we are in another coroutine, how wonderful, everything just works	334	# we are in another coroutine, how wonderful, everything just works
291		335
292	$job->()	336	$job->()
293	}	337	}
294	}	338	}
295		339
296	=item $coro = cf::coro { BLOCK }	340	=item $coro = cf::async_ext { BLOCK }
297		341
298	Creates and returns a new coro. This coro is automcatially being canceled	342	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	343	extension calling this is being unloaded.
300		344
301	=cut	345	=cut
302		346
303	sub coro(&) {	347	sub async_ext(&) {
304	my $cb = shift;	348	my $cb = shift;
305		349
306	my $coro; $coro = async {	350	my $coro = &Coro::async ($cb);
307	eval {
308	$cb->();
309	};
310	warn $@ if $@;
311	};
312		351
313	$coro->on_destroy (sub {	352	$coro->on_destroy (sub {
314	delete $EXT_CORO{$coro+0};	353	delete $EXT_CORO{$coro+0};
315	});	354	});
316	$EXT_CORO{$coro+0} = $coro;	355	$EXT_CORO{$coro+0} = $coro;
317		356
318	$coro	357	$coro
319	}	358	}
320		359
321	sub write_runtime {	360	sub write_runtime {
		361	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
		362
322	my $runtime = cf::localdir . "/runtime";	363	my $runtime = cf::localdir . "/runtime";
323		364
324	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	365	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
325	or return;	366	or return;
326		367
		368	my $value = $cf::RUNTIME + 90 + 10;
327	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	369	# 10 is the runtime save interval, for a monotonic clock
		370	# 60 allows for the watchdog to kill the server.
		371
328	(aio_write $fh, 0, (length $value), $value, 0) <= 0	372	(aio_write $fh, 0, (length $value), $value, 0) <= 0
329	and return;	373	and return;
330		374
		375	# always fsync - this file is important
331	aio_fsync $fh	376	aio_fsync $fh
332	and return;	377	and return;
333		378
334	close $fh	379	close $fh
335	or return;	380	or return;
…		…
341	}	386	}
342		387
343	=back	388	=back
344		389
345	=cut	390	=cut
346
347	#############################################################################
348
349	package cf::path;
350
351	sub new {
352	my ($class, $path, $base) = @_;
353
354	$path = $path->as_string if ref $path;
355
356	my $self = bless { }, $class;
357
358	# {... are special paths that are not touched
359	# ?xxx/... are special absolute paths
360	# ?random/... random maps
361	# /! non-realised random map exit
362	# /... normal maps
363	# ~/... per-player maps without a specific player (DO NOT USE)
364	# ~user/... per-player map of a specific user
365
366	if ($path =~ /^{/) {
367	# fine as it is
368	} elsif ($path =~ s{^\?random/}{}) {
369	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
370	$self->{random} = cf::from_json $data;
371	} else {
372	if ($path =~ s{^~([^/]+)?}{}) {
373	$self->{user_rel} = 1;
374
375	if (defined $1) {
376	$self->{user} = $1;
377	} elsif ($base =~ m{^~([^/]+)/}) {
378	$self->{user} = $1;
379	} else {
380	warn "cannot resolve user-relative path without user <$path,$base>\n";
381	}
382	} elsif ($path =~ /^\//) {
383	# already absolute
384	} else {
385	$base =~ s{[^/]+/?$}{};
386	return $class->new ("$base/$path");
387	}
388
389	for ($path) {
390	redo if s{/\.?/}{/};
391	redo if s{/[^/]+/\.\./}{/};
392	}
393	}
394
395	$self->{path} = $path;
396
397	$self
398	}
399
400	# the name / primary key / in-game path
401	sub as_string {
402	my ($self) = @_;
403
404	$self->{user_rel} ? "~$self->{user}$self->{path}"
405	: $self->{random} ? "?random/$self->{path}"
406	: $self->{path}
407	}
408
409	# the displayed name, this is a one way mapping
410	sub visible_name {
411	my ($self) = @_;
412
413	# if (my $rmp = $self->{random}) {
414	# # todo: be more intelligent about this
415	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
416	# } else {
417	$self->as_string
418	# }
419	}
420
421	# escape the /'s in the path
422	sub _escaped_path {
423	# ∕ is U+2215
424	(my $path = $_[0]{path}) =~ s/\//∕/g;
425	$path
426	}
427
428	# the original (read-only) location
429	sub load_path {
430	my ($self) = @_;
431
432	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
433	}
434
435	# the temporary/swap location
436	sub save_path {
437	my ($self) = @_;
438
439	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
440	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
441	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
442	}
443
444	# the unique path, might be eq to save_path
445	sub uniq_path {
446	my ($self) = @_;
447
448	$self->{user_rel} || $self->{random}
449	? undef
450	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
451	}
452
453	# return random map parameters, or undef
454	sub random_map_params {
455	my ($self) = @_;
456
457	$self->{random}
458	}
459
460	# this is somewhat ugly, but style maps do need special treatment
461	sub is_style_map {
462	$_[0]{path} =~ m{^/styles/}
463	}
464
465	package cf;
466		391
467	#############################################################################	392	#############################################################################
468		393
469	=head2 ATTACHABLE OBJECTS	394	=head2 ATTACHABLE OBJECTS
470		395
…		…
596	our @CB_TYPE = (); # registry for type (cf-object class) based events	521	our @CB_TYPE = (); # registry for type (cf-object class) based events
597	our @CB_MAP = ();	522	our @CB_MAP = ();
598		523
599	my %attachment;	524	my %attachment;
600		525
		526	sub cf::attachable::thawer_merge {
		527	# simply override everything except _meta
		528	local $_[0]{_meta};
		529	%{$_[0]} = %{$_[1]};
		530	}
		531
601	sub _attach_cb($$$$) {	532	sub _attach_cb($$$$) {
602	my ($registry, $event, $prio, $cb) = @_;	533	my ($registry, $event, $prio, $cb) = @_;
603		534
604	use sort 'stable';	535	use sort 'stable';
605		536
…		…
776	# object support	707	# object support
777		708
778	sub reattach {	709	sub reattach {
779	# basically do the same as instantiate, without calling instantiate	710	# basically do the same as instantiate, without calling instantiate
780	my ($obj) = @_;	711	my ($obj) = @_;
		712
		713	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
781		714
782	my $registry = $obj->registry;	715	my $registry = $obj->registry;
783		716
784	@$registry = ();	717	@$registry = ();
785		718
…		…
832	$filename, length $$rdata, scalar @$objs;	765	$filename, length $$rdata, scalar @$objs;
833		766
834	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	767	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
835	chmod SAVE_MODE, $fh;	768	chmod SAVE_MODE, $fh;
836	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	769	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
837	aio_fsync $fh;	770	aio_fsync $fh if $cf::USE_FSYNC;
838	close $fh;	771	close $fh;
839		772
840	if (@$objs) {	773	if (@$objs) {
841	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	774	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
842	chmod SAVE_MODE, $fh;	775	chmod SAVE_MODE, $fh;
843	my $data = Storable::nfreeze { version => 1, objs => $objs };	776	my $data = Storable::nfreeze { version => 1, objs => $objs };
844	aio_write $fh, 0, (length $data), $data, 0;	777	aio_write $fh, 0, (length $data), $data, 0;
845	aio_fsync $fh;	778	aio_fsync $fh if $cf::USE_FSYNC;
846	close $fh;	779	close $fh;
847	aio_rename "$filename.pst~", "$filename.pst";	780	aio_rename "$filename.pst~", "$filename.pst";
848	}	781	}
849	} else {	782	} else {
850	aio_unlink "$filename.pst";	783	aio_unlink "$filename.pst";
…		…
856	}	789	}
857	} else {	790	} else {
858	aio_unlink $filename;	791	aio_unlink $filename;
859	aio_unlink "$filename.pst";	792	aio_unlink "$filename.pst";
860	}	793	}
		794
		795	#d##TODO# nuke non .map-files if exist
		796	if ($filename =~ s/\.map$//) {
		797	aio_unlink $filename;
		798	aio_unlink "$filename.pst";
		799	}
861	}	800	}
862	}	801	}
863		802
864	sub object_freezer_as_string {	803	sub object_freezer_as_string {
865	my ($rdata, $objs) = @_;	804	my ($rdata, $objs) = @_;
…		…
871		810
872	sub object_thawer_load {	811	sub object_thawer_load {
873	my ($filename) = @_;	812	my ($filename) = @_;
874		813
875	my ($data, $av);	814	my ($data, $av);
		815
		816	#d#TODO remove .map if file does not exist
		817	aio_stat $filename and $filename =~ s/\.map$//;
876		818
877	(aio_load $filename, $data) >= 0	819	(aio_load $filename, $data) >= 0
878	or return;	820	or return;
879		821
880	unless (aio_stat "$filename.pst") {	822	unless (aio_stat "$filename.pst") {
…		…
917	=cut	859	=cut
918		860
919	sub register_extcmd {	861	sub register_extcmd {
920	my ($name, $cb) = @_;	862	my ($name, $cb) = @_;
921		863
922	my $caller = caller;
923	#warn "registering extcmd '$name' to '$caller'";
924
925	$EXTCMD{$name} = [$cb, $caller];	864	$EXTCMD{$name} = $cb;
926	}	865	}
927		866
928	cf::player->attach (	867	cf::player->attach (
929	on_command => sub {	868	on_command => sub {
930	my ($pl, $name, $params) = @_;	869	my ($pl, $name, $params) = @_;
…		…
943		882
944	my $msg = eval { from_json $buf };	883	my $msg = eval { from_json $buf };
945		884
946	if (ref $msg) {	885	if (ref $msg) {
947	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	886	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
948	if (my %reply = $cb->[0]->($pl, $msg)) {	887	if (my %reply = $cb->($pl, $msg)) {
949	$pl->ext_reply ($msg->{msgid}, %reply);	888	$pl->ext_reply ($msg->{msgid}, %reply);
950	}	889	}
951	}	890	}
952	} else {	891	} else {
953	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	892	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
955		894
956	cf::override;	895	cf::override;
957	},	896	},
958	);	897	);
959		898
960	sub register {
961	my ($base, $pkg) = @_;
962
963	#TODO
964	}
965
966	sub load_extension {	899	sub load_extension {
967	my ($path) = @_;	900	my ($path) = @_;
968		901
969	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	902	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
970	my $base = $1;	903	my $base = $1;
971	my $pkg = $1;	904	my $pkg = $1;
972	$pkg =~ s/[^[:word:]]/_/g;	905	$pkg =~ s/[^[:word:]]/_/g;
973	$pkg = "ext::$pkg";	906	$pkg = "ext::$pkg";
974		907
975	warn "loading '$path' into '$pkg'\n";	908	warn "... loading '$path' into '$pkg'\n";
976		909
977	open my $fh, "<:utf8", $path	910	open my $fh, "<:utf8", $path
978	or die "$path: $!";	911	or die "$path: $!";
979		912
980	my $source =	913	my $source =
981	"package $pkg; use strict; use utf8;\n"	914	"package $pkg; use strict; use utf8;\n"
982	. "#line 1 \"$path\"\n{\n"	915	. "#line 1 \"$path\"\n{\n"
983	. (do { local $/; <$fh> })	916	. (do { local $/; <$fh> })
984	. "\n};\n1";	917	. "\n};\n1";
985		918
986	eval $source	919	unless (eval $source) {
987	or die $@ ? "$path: $@\n"	920	my $msg = $@ ? "$path: $@\n"
988	: "extension disabled.\n";	921	: "extension disabled.\n";
989		922	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
990	push @exts, $pkg;	923	warn $@;
991	$ext_pkg{$base} = $pkg;	924	warn "mandatory extension failed to load, exiting.\n";
992		925	exit 1;
993	# no strict 'refs';	926	}
994	# @{"$pkg\::ISA"} = ext::;	927	die $@;
995
996	register $base, $pkg;
997	}
998
999	sub unload_extension {
1000	my ($pkg) = @_;
1001
1002	warn "removing extension $pkg\n";
1003
1004	# remove hooks
1005	#TODO
1006	# for my $idx (0 .. $#PLUGIN_EVENT) {
1007	# delete $hook[$idx]{$pkg};
1008	# }	928	}
1009		929
1010	# remove commands	930	push @EXTS, $pkg;
1011	for my $name (keys %COMMAND) {
1012	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1013
1014	if (@cb) {
1015	$COMMAND{$name} = \@cb;
1016	} else {
1017	delete $COMMAND{$name};
1018	}
1019	}
1020
1021	# remove extcmds
1022	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1023	delete $EXTCMD{$name};
1024	}
1025
1026	if (my $cb = $pkg->can ("unload")) {
1027	eval {
1028	$cb->($pkg);
1029	1
1030	} or warn "$pkg unloaded, but with errors: $@";
1031	}
1032
1033	Symbol::delete_package $pkg;
1034	}	931	}
1035		932
1036	sub load_extensions {	933	sub load_extensions {
1037	for my $ext (<$LIBDIR/*.ext>) {	934	for my $ext (<$LIBDIR/*.ext>) {
1038	next unless -r $ext;	935	next unless -r $ext;
…		…
1042	} or warn "$ext not loaded: $@";	939	} or warn "$ext not loaded: $@";
1043	}	940	}
1044	}	941	}
1045		942
1046	#############################################################################	943	#############################################################################
1047	# load/save/clean perl data associated with a map
1048
1049	*cf::mapsupport::on_clean = sub {
1050	my ($map) = @_;
1051
1052	my $path = $map->tmpname;
1053	defined $path or return;
1054
1055	unlink "$path.pst";
1056	};
1057
1058	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1059
1060	#############################################################################
1061	# load/save perl data associated with player->ob objects
1062
1063	sub all_objects(@) {
1064	@_, map all_objects ($_->inv), @_
1065	}
1066
1067	# TODO: compatibility cruft, remove when no longer needed
1068	cf::player->attach (
1069	on_load => sub {
1070	my ($pl, $path) = @_;
1071
1072	for my $o (all_objects $pl->ob) {
1073	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1074	$o->set_ob_key_value ("_perl_data");
1075
1076	%$o = %{ Storable::thaw pack "H*", $value };
1077	}
1078	}
1079	},
1080	);
1081
1082	#############################################################################
1083		944
1084	=head2 CORE EXTENSIONS	945	=head2 CORE EXTENSIONS
1085		946
1086	Functions and methods that extend core crossfire objects.	947	Functions and methods that extend core crossfire objects.
1087		948
		949	=cut
		950
		951	package cf::player;
		952
		953	use Coro::AIO;
		954
1088	=head3 cf::player	955	=head3 cf::player
1089		956
1090	=over 4	957	=over 4
1091		958
1092	=item cf::player::exists $login	959	=item cf::player::find $login
1093		960
1094	Returns true when the given account exists.	961	Returns the given player object, loading it if necessary (might block).
1095		962
1096	=cut	963	=cut
1097		964
1098	sub cf::player::exists($) {	965	sub playerdir($) {
1099	cf::player::find $_[0]	966	cf::localdir
1100	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	967	. "/"
		968	. cf::playerdir
		969	. "/"
		970	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		971	}
		972
		973	sub path($) {
		974	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		975
		976	(playerdir $login) . "/$login.pl"
		977	}
		978
		979	sub find_active($) {
		980	$cf::PLAYER{$_[0]}
		981	and $cf::PLAYER{$_[0]}->active
		982	and $cf::PLAYER{$_[0]}
		983	}
		984
		985	sub exists($) {
		986	my ($login) = @_;
		987
		988	$cf::PLAYER{$login}
		989	or cf::sync_job { !aio_stat path $login }
		990	}
		991
		992	sub find($) {
		993	return $cf::PLAYER{$_[0]} || do {
		994	my $login = $_[0];
		995
		996	my $guard = cf::lock_acquire "user_find:$login";
		997
		998	$cf::PLAYER{$_[0]} || do {
		999	my $pl = load_pl path $login
		1000	or return;
		1001	$cf::PLAYER{$login} = $pl
		1002	}
		1003	}
		1004	}
		1005
		1006	sub save($) {
		1007	my ($pl) = @_;
		1008
		1009	return if $pl->{deny_save};
		1010
		1011	my $path = path $pl;
		1012	my $guard = cf::lock_acquire "user_save:$path";
		1013
		1014	return if $pl->{deny_save};
		1015
		1016	aio_mkdir playerdir $pl, 0770;
		1017	$pl->{last_save} = $cf::RUNTIME;
		1018
		1019	$pl->save_pl ($path);
		1020	Coro::cede;
		1021	}
		1022
		1023	sub new($) {
		1024	my ($login) = @_;
		1025
		1026	my $self = create;
		1027
		1028	$self->ob->name ($login);
		1029	$self->{deny_save} = 1;
		1030
		1031	$cf::PLAYER{$login} = $self;
		1032
		1033	$self
		1034	}
		1035
		1036	=item $pl->quit_character
		1037
		1038	Nukes the player without looking back. If logged in, the connection will
		1039	be destroyed. May block for a long time.
		1040
		1041	=cut
		1042
		1043	sub quit_character {
		1044	my ($pl) = @_;
		1045
		1046	$pl->{deny_save} = 1;
		1047	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1048
		1049	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1050	$pl->deactivate;
		1051	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1052	$pl->ns->destroy if $pl->ns;
		1053
		1054	my $path = playerdir $pl;
		1055	my $temp = "$path~$cf::RUNTIME~deleting~";
		1056	aio_rename $path, $temp;
		1057	delete $cf::PLAYER{$pl->ob->name};
		1058	$pl->destroy;
		1059	IO::AIO::aio_rmtree $temp;
		1060	}
		1061
		1062	=item cf::player::list_logins
		1063
		1064	Returns am arrayref of all valid playernames in the system, can take a
		1065	while and may block, so not sync_job-capable, ever.
		1066
		1067	=cut
		1068
		1069	sub list_logins {
		1070	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1071	or return [];
		1072
		1073	my @logins;
		1074
		1075	for my $login (@$dirs) {
		1076	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1077	aio_read $fh, 0, 512, my $buf, 0 or next;
		1078	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1079
		1080	utf8::decode $login;
		1081	push @logins, $login;
		1082	}
		1083
		1084	\@logins
		1085	}
		1086
		1087	=item $player->maps
		1088
		1089	Returns an arrayref of map paths that are private for this
		1090	player. May block.
		1091
		1092	=cut
		1093
		1094	sub maps($) {
		1095	my ($pl) = @_;
		1096
		1097	$pl = ref $pl ? $pl->ob->name : $pl;
		1098
		1099	my $files = aio_readdir playerdir $pl
		1100	or return;
		1101
		1102	my @paths;
		1103
		1104	for (@$files) {
		1105	utf8::decode $_;
		1106	next if /\.(?:pl|pst)$/;
		1107	next unless /^$PATH_SEP/o;
		1108
		1109	push @paths, cf::map::normalise "~$pl/$_";
		1110	}
		1111
		1112	\@paths
1101	}	1113	}
1102		1114
1103	=item $player->ext_reply ($msgid, $msgtype, %msg)	1115	=item $player->ext_reply ($msgid, $msgtype, %msg)
1104		1116
1105	Sends an ext reply to the player.	1117	Sends an ext reply to the player.
1106		1118
1107	=cut	1119	=cut
1108		1120
1109	sub cf::player::ext_reply($$$%) {	1121	sub ext_reply($$$%) {
1110	my ($self, $id, %msg) = @_;	1122	my ($self, $id, %msg) = @_;
1111		1123
1112	$msg{msgid} = $id;	1124	$msg{msgid} = $id;
1113		1125
1114	$self->send ("ext " . to_json \%msg);	1126	$self->send ("ext " . cf::to_json \%msg);
1115	}	1127	}
		1128
		1129	package cf;
1116		1130
1117	=back	1131	=back
1118		1132
1119		1133
1120	=head3 cf::map	1134	=head3 cf::map
…		…
1126	package cf::map;	1140	package cf::map;
1127		1141
1128	use Fcntl;	1142	use Fcntl;
1129	use Coro::AIO;	1143	use Coro::AIO;
1130		1144
		1145	use overload
		1146	'""' => \&as_string,
		1147	fallback => 1;
		1148
1131	our $MAX_RESET = 7200;	1149	our $MAX_RESET = 3600;
1132	our $DEFAULT_RESET = 3600;	1150	our $DEFAULT_RESET = 3000;
1133		1151
1134	sub generate_random_map {	1152	sub generate_random_map {
1135	my ($path, $rmp) = @_;	1153	my ($self, $rmp) = @_;
1136
1137	# mit "rum" bekleckern, nicht	1154	# mit "rum" bekleckern, nicht
1138	cf::map::_create_random_map	1155	$self->_create_random_map (
1139	$path,
1140	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1156	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1141	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1157	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1142	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1158	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1143	$rmp->{exit_on_final_map},	1159	$rmp->{exit_on_final_map},
1144	$rmp->{xsize}, $rmp->{ysize},	1160	$rmp->{xsize}, $rmp->{ysize},
1145	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1161	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1146	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1162	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1147	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1163	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1148	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1164	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1149	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1165	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1150	(cf::region::find $rmp->{region})	1166	(cf::region::find $rmp->{region}), $rmp->{custom}
		1167	)
		1168	}
		1169
		1170	=item cf::map->register ($regex, $prio)
		1171
		1172	Register a handler for the map path matching the given regex at the
		1173	givne priority (higher is better, built-in handlers have priority 0, the
		1174	default).
		1175
		1176	=cut
		1177
		1178	sub register {
		1179	my (undef, $regex, $prio) = @_;
		1180	my $pkg = caller;
		1181
		1182	no strict;
		1183	push @{"$pkg\::ISA"}, __PACKAGE__;
		1184
		1185	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1186	}
		1187
		1188	# also paths starting with '/'
		1189	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1190
		1191	sub thawer_merge {
		1192	my ($self, $merge) = @_;
		1193
		1194	# we have to keep some variables in memory intact
		1195	local $self->{path};
		1196	local $self->{load_path};
		1197	local $self->{deny_save};
		1198	local $self->{deny_reset};
		1199
		1200	$self->SUPER::thawer_merge ($merge);
		1201	}
		1202
		1203	sub normalise {
		1204	my ($path, $base) = @_;
		1205
		1206	$path = "$path"; # make sure its a string
		1207
		1208	$path =~ s/\.map$//;
		1209
		1210	# map plan:
		1211	#
		1212	# /! non-realised random map exit (special hack!)
		1213	# {... are special paths that are not being touched
		1214	# ?xxx/... are special absolute paths
		1215	# ?random/... random maps
		1216	# /... normal maps
		1217	# ~user/... per-player map of a specific user
		1218
		1219	$path =~ s/$PATH_SEP/\//go;
		1220
		1221	# treat it as relative path if it starts with
		1222	# something that looks reasonable
		1223	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1224	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1225
		1226	$base =~ s{[^/]+/?$}{};
		1227	$path = "$base/$path";
		1228	}
		1229
		1230	for ($path) {
		1231	redo if s{//}{/};
		1232	redo if s{/\.?/}{/};
		1233	redo if s{/[^/]+/\.\./}{/};
		1234	}
		1235
		1236	$path
		1237	}
		1238
		1239	sub new_from_path {
		1240	my (undef, $path, $base) = @_;
		1241
		1242	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1243
		1244	$path = normalise $path, $base;
		1245
		1246	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1247	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1248	my $self = bless cf::map::new, $pkg;
		1249	$self->{path} = $path; $self->path ($path);
		1250	$self->init; # pass $1 etc.
		1251	return $self;
		1252	}
		1253	}
		1254
		1255	Carp::carp "unable to resolve path '$path' (base '$base').";
		1256	()
		1257	}
		1258
		1259	sub init {
		1260	my ($self) = @_;
		1261
		1262	$self
		1263	}
		1264
		1265	sub as_string {
		1266	my ($self) = @_;
		1267
		1268	"$self->{path}"
		1269	}
		1270
		1271	# the displayed name, this is a one way mapping
		1272	sub visible_name {
		1273	&as_string
		1274	}
		1275
		1276	# the original (read-only) location
		1277	sub load_path {
		1278	my ($self) = @_;
		1279
		1280	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1281	}
		1282
		1283	# the temporary/swap location
		1284	sub save_path {
		1285	my ($self) = @_;
		1286
		1287	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1288	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1289	}
		1290
		1291	# the unique path, undef == no special unique path
		1292	sub uniq_path {
		1293	my ($self) = @_;
		1294
		1295	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1296	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1151	}	1297	}
1152		1298
1153	# and all this just because we cannot iterate over	1299	# and all this just because we cannot iterate over
1154	# all maps in C++...	1300	# all maps in C++...
1155	sub change_all_map_light {	1301	sub change_all_map_light {
…		…
1157		1303
1158	$_->change_map_light ($change)	1304	$_->change_map_light ($change)
1159	for grep $_->outdoor, values %cf::MAP;	1305	for grep $_->outdoor, values %cf::MAP;
1160	}	1306	}
1161		1307
		1308	sub unlink_save {
		1309	my ($self) = @_;
		1310
		1311	utf8::encode (my $save = $self->save_path);
		1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1314
		1315	#d#TODO remove .map and also nuke
		1316	$save =~ s/\.map// or return;#d#
		1317	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1318	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1319	}
		1320
1162	sub try_load_header($) {	1321	sub load_header_from($) {
1163	my ($path) = @_;	1322	my ($self, $path) = @_;
1164		1323
1165	utf8::encode $path;	1324	utf8::encode $path;
1166	aio_open $path, O_RDONLY, 0	1325	#aio_open $path, O_RDONLY, 0
		1326	# or return;
		1327
		1328	$self->_load_header ($path)
1167	or return;	1329	or return;
1168		1330
1169	my $map = cf::map::new	1331	$self->{load_path} = $path;
		1332
		1333	1
		1334	}
		1335
		1336	sub load_header_orig {
		1337	my ($self) = @_;
		1338
		1339	$self->load_header_from ($self->load_path)
		1340	}
		1341
		1342	sub load_header_temp {
		1343	my ($self) = @_;
		1344
		1345	$self->load_header_from ($self->save_path)
		1346	}
		1347
		1348	sub prepare_temp {
		1349	my ($self) = @_;
		1350
		1351	$self->last_access ((delete $self->{last_access})
		1352	|| $cf::RUNTIME); #d#
		1353	# safety
		1354	$self->{instantiate_time} = $cf::RUNTIME
		1355	if $self->{instantiate_time} > $cf::RUNTIME;
		1356	}
		1357
		1358	sub prepare_orig {
		1359	my ($self) = @_;
		1360
		1361	$self->{load_original} = 1;
		1362	$self->{instantiate_time} = $cf::RUNTIME;
		1363	$self->last_access ($cf::RUNTIME);
		1364	$self->instantiate;
		1365	}
		1366
		1367	sub load_header {
		1368	my ($self) = @_;
		1369
		1370	if ($self->load_header_temp) {
		1371	$self->prepare_temp;
		1372	} else {
		1373	$self->load_header_orig
1170	or return;	1374	or return;
		1375	$self->prepare_orig;
		1376	}
1171		1377
1172	$map->load_header ($path)	1378	1
1173	or return;
1174
1175	$map->{load_path} = $path;
1176
1177	$map
1178	}	1379	}
1179		1380
		1381	sub find;
1180	sub find_map {	1382	sub find {
1181	my ($path, $origin) = @_;	1383	my ($path, $origin) = @_;
1182		1384
1183	#warn "find_map<$path,$origin>\n";#d#
1184
1185	$path = new cf::path $path, $origin && $origin->path;	1385	$path = normalise $path, $origin && $origin->path;
1186	my $key = $path->as_string;
1187		1386
1188	cf::lock_wait "map_find:$key";	1387	cf::lock_wait "map_find:$path";
1189		1388
1190	$cf::MAP{$key} || do {	1389	$cf::MAP{$path} || do {
1191	my $guard = cf::lock_acquire "map_find:$key";	1390	my $guard = cf::lock_acquire "map_find:$path";
1192		1391	my $map = new_from_path cf::map $path
1193	# do it the slow way
1194	my $map = try_load_header $path->save_path;
1195
1196	if ($map) {
1197	# safety
1198	$map->{instantiate_time} = $cf::RUNTIME
1199	if $map->{instantiate_time} > $cf::RUNTIME;
1200	} else {
1201	if (my $rmp = $path->random_map_params) {
1202	$map = generate_random_map $key, $rmp;
1203	} else {
1204	$map = try_load_header $path->load_path;
1205	}
1206
1207	$map or return;	1392	or return;
1208		1393
1209	$map->{load_original} = 1;
1210	$map->{instantiate_time} = $cf::RUNTIME;
1211	$map->instantiate;
1212
1213	# per-player maps become, after loading, normal maps
1214	$map->per_player (0) if $path->{user_rel};
1215	}
1216
1217	$map->path ($key);
1218	$map->{path} = $path;
1219	$map->{last_save} = $cf::RUNTIME;	1394	$map->{last_save} = $cf::RUNTIME;
1220	$map->last_access ($cf::RUNTIME);
1221		1395
1222	if ($map->should_reset) {	1396	$map->load_header
		1397	or return;
		1398
		1399	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1400	# doing this can freeze the server in a sync job, obviously
		1401	#$cf::WAIT_FOR_TICK->wait;
1223	$map->reset;	1402	$map->reset;
1224	undef $guard;	1403	undef $guard;
1225	$map = find_map $path;	1404	return find $path;
1226	}	1405	}
1227		1406
1228	$cf::MAP{$key} = $map	1407	$cf::MAP{$path} = $map
1229	}	1408	}
1230	}	1409	}
		1410
		1411	sub pre_load { }
		1412	sub post_load { }
1231		1413
1232	sub load {	1414	sub load {
1233	my ($self) = @_;	1415	my ($self) = @_;
1234		1416
		1417	local $self->{deny_reset} = 1; # loading can take a long time
		1418
1235	my $path = $self->{path};	1419	my $path = $self->{path};
1236	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1420	my $guard = cf::lock_acquire "map_load:$path";
1237		1421
1238	return if $self->in_memory != cf::MAP_SWAPPED;	1422	return if $self->in_memory != cf::MAP_SWAPPED;
1239		1423
1240	$self->in_memory (cf::MAP_LOADING);	1424	$self->in_memory (cf::MAP_LOADING);
1241		1425
1242	$self->alloc;	1426	$self->alloc;
		1427
		1428	$self->pre_load;
		1429
1243	$self->load_objects ($self->{load_path}, 1)	1430	$self->_load_objects ($self->{load_path}, 1)
1244	or return;	1431	or return;
1245		1432
1246	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1433	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1247	if delete $self->{load_original};	1434	if delete $self->{load_original};
1248		1435
1249	if (my $uniq = $path->uniq_path) {	1436	if (my $uniq = $self->uniq_path) {
1250	utf8::encode $uniq;	1437	utf8::encode $uniq;
1251	if (aio_open $uniq, O_RDONLY, 0) {	1438	if (aio_open $uniq, O_RDONLY, 0) {
1252	$self->clear_unique_items;	1439	$self->clear_unique_items;
1253	$self->load_objects ($uniq, 0);	1440	$self->_load_objects ($uniq, 0);
1254	}	1441	}
1255	}	1442	}
		1443
		1444	Coro::cede;
1256		1445
1257	# now do the right thing for maps	1446	# now do the right thing for maps
1258	$self->link_multipart_objects;	1447	$self->link_multipart_objects;
1259		1448
1260	if ($self->{path}->is_style_map) {	1449	unless ($self->{deny_activate}) {
1261	$self->{deny_save} = 1;	1450	$self->decay_objects;
1262	$self->{deny_reset} = 1;
1263	} else {
1264	$self->fix_auto_apply;	1451	$self->fix_auto_apply;
1265	$self->decay_objects;
1266	$self->update_buttons;	1452	$self->update_buttons;
		1453	Coro::cede;
1267	$self->set_darkness_map;	1454	$self->set_darkness_map;
1268	$self->difficulty ($self->estimate_difficulty)	1455	$self->difficulty ($self->estimate_difficulty)
1269	unless $self->difficulty;	1456	unless $self->difficulty;
		1457	Coro::cede;
1270	$self->activate;	1458	$self->activate;
1271	}	1459	}
1272		1460
		1461	$self->post_load;
		1462
1273	$self->in_memory (cf::MAP_IN_MEMORY);	1463	$self->in_memory (cf::MAP_IN_MEMORY);
1274	}	1464	}
1275		1465
1276	sub load_map_sync {	1466	sub customise_for {
		1467	my ($self, $ob) = @_;
		1468
		1469	return find "~" . $ob->name . "/" . $self->{path}
		1470	if $self->per_player;
		1471
		1472	$self
		1473	}
		1474
		1475	# find and load all maps in the 3x3 area around a map
		1476	sub load_diag {
		1477	my ($map) = @_;
		1478
		1479	my @diag; # diagonal neighbours
		1480
		1481	for (0 .. 3) {
		1482	my $neigh = $map->tile_path ($_)
		1483	or next;
		1484	$neigh = find $neigh, $map
		1485	or next;
		1486	$neigh->load;
		1487
		1488	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1489	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1490	}
		1491
		1492	for (@diag) {
		1493	my $neigh = find @$_
		1494	or next;
		1495	$neigh->load;
		1496	}
		1497	}
		1498
		1499	sub find_sync {
1277	my ($path, $origin) = @_;	1500	my ($path, $origin) = @_;
1278		1501
1279	#warn "load_map_sync<$path, $origin>\n";#d#	1502	cf::sync_job { find $path, $origin }
		1503	}
1280		1504
1281	cf::sync_job {	1505	sub do_load_sync {
1282	my $map = cf::map::find_map $path, $origin	1506	my ($map) = @_;
1283	or return;	1507
		1508	cf::sync_job { $map->load };
		1509	}
		1510
		1511	our %MAP_PREFETCH;
		1512	our $MAP_PREFETCHER = undef;
		1513
		1514	sub find_async {
		1515	my ($path, $origin) = @_;
		1516
		1517	$path = normalise $path, $origin && $origin->{path};
		1518
		1519	if (my $map = $cf::MAP{$path}) {
		1520	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1521	}
		1522
		1523	undef $MAP_PREFETCH{$path};
		1524	$MAP_PREFETCHER ||= cf::async {
		1525	while (%MAP_PREFETCH) {
		1526	for my $path (keys %MAP_PREFETCH) {
		1527	my $map = find $path
		1528	or next;
1284	$map->load;	1529	$map->load;
1285	$map	1530
		1531	delete $MAP_PREFETCH{$path};
		1532	}
		1533	}
		1534	undef $MAP_PREFETCHER;
1286	}	1535	};
		1536	$MAP_PREFETCHER->prio (6);
		1537
		1538	()
1287	}	1539	}
1288		1540
1289	sub save {	1541	sub save {
1290	my ($self) = @_;	1542	my ($self) = @_;
1291		1543
		1544	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1545
1292	$self->{last_save} = $cf::RUNTIME;	1546	$self->{last_save} = $cf::RUNTIME;
1293		1547
1294	return unless $self->dirty;	1548	return unless $self->dirty;
1295		1549
1296	my $save = $self->{path}->save_path; utf8::encode $save;	1550	my $save = $self->save_path; utf8::encode $save;
1297	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1551	my $uniq = $self->uniq_path; utf8::encode $uniq;
1298		1552
1299	$self->{load_path} = $save;	1553	$self->{load_path} = $save;
1300		1554
1301	return if $self->{deny_save};	1555	return if $self->{deny_save};
1302		1556
		1557	local $self->{last_access} = $self->last_access;#d#
		1558
		1559	cf::async {
		1560	$_->contr->save for $self->players;
		1561	};
		1562
1303	if ($uniq) {	1563	if ($uniq) {
1304	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1564	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1305	$self->save_objects ($uniq, cf::IO_UNIQUES);	1565	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1306	} else {	1566	} else {
1307	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1567	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1308	}	1568	}
1309	}	1569	}
1310		1570
1311	sub swap_out {	1571	sub swap_out {
1312	my ($self) = @_;	1572	my ($self) = @_;
		1573
		1574	# save first because save cedes
		1575	$self->save;
		1576
		1577	my $lock = cf::lock_acquire "map_data:" . $self->path;
1313		1578
1314	return if $self->players;	1579	return if $self->players;
1315	return if $self->in_memory != cf::MAP_IN_MEMORY;	1580	return if $self->in_memory != cf::MAP_IN_MEMORY;
1316	return if $self->{deny_save};	1581	return if $self->{deny_save};
1317		1582
1318	$self->save;
1319	$self->clear;	1583	$self->clear;
1320	$self->in_memory (cf::MAP_SWAPPED);	1584	$self->in_memory (cf::MAP_SWAPPED);
1321	}	1585	}
1322		1586
1323	sub reset_at {	1587	sub reset_at {
1324	my ($self) = @_;	1588	my ($self) = @_;
1325		1589
1326	# TODO: safety, remove and allow resettable per-player maps	1590	# TODO: safety, remove and allow resettable per-player maps
1327	return 1e99 if $self->{path}{user_rel};	1591	return 1e99 if $self->isa ("ext::map_per_player");#d#
1328	return 1e99 if $self->{deny_reset};	1592	return 1e99 if $self->{deny_reset};
1329		1593
1330	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1594	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1331	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1595	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1332		1596
…		…
1337	my ($self) = @_;	1601	my ($self) = @_;
1338		1602
1339	$self->reset_at <= $cf::RUNTIME	1603	$self->reset_at <= $cf::RUNTIME
1340	}	1604	}
1341		1605
1342	sub unlink_save {
1343	my ($self) = @_;
1344
1345	utf8::encode (my $save = $self->{path}->save_path);
1346	aioreq_pri 3; IO::AIO::aio_unlink $save;
1347	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1348	}
1349
1350	sub rename {
1351	my ($self, $new_path) = @_;
1352
1353	$self->unlink_save;
1354
1355	delete $cf::MAP{$self->path};
1356	$self->{path} = new cf::path $new_path;
1357	$self->path ($self->{path}->as_string);
1358	$cf::MAP{$self->path} = $self;
1359
1360	$self->save;
1361	}
1362
1363	sub reset {	1606	sub reset {
1364	my ($self) = @_;	1607	my ($self) = @_;
1365		1608
		1609	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1610
1366	return if $self->players;	1611	return if $self->players;
1367	return if $self->{path}{user_rel};#d#	1612	return if $self->isa ("ext::map_per_player");#d#
1368		1613
1369	warn "resetting map ", $self->path;#d#	1614	warn "resetting map ", $self->path;#d#
1370		1615
		1616	$self->in_memory (cf::MAP_SWAPPED);
		1617
		1618	# need to save uniques path
		1619	unless ($self->{deny_save}) {
		1620	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1621
		1622	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1623	if $uniq;
		1624	}
		1625
1371	delete $cf::MAP{$self->path};	1626	delete $cf::MAP{$self->path};
		1627
		1628	$self->clear;
1372		1629
1373	$_->clear_links_to ($self) for values %cf::MAP;	1630	$_->clear_links_to ($self) for values %cf::MAP;
1374		1631
1375	$self->unlink_save;	1632	$self->unlink_save;
1376	$self->destroy;	1633	$self->destroy;
…		…
1379	my $nuke_counter = "aaaa";	1636	my $nuke_counter = "aaaa";
1380		1637
1381	sub nuke {	1638	sub nuke {
1382	my ($self) = @_;	1639	my ($self) = @_;
1383		1640
		1641	delete $cf::MAP{$self->path};
		1642
		1643	$self->unlink_save;
		1644
		1645	bless $self, "cf::map";
		1646	delete $self->{deny_reset};
1384	$self->{deny_save} = 1;	1647	$self->{deny_save} = 1;
1385	$self->reset_timeout (1);	1648	$self->reset_timeout (1);
1386	$self->rename ("{nuke}/" . ($nuke_counter++));	1649	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1650
		1651	$cf::MAP{$self->path} = $self;
		1652
1387	$self->reset; # polite request, might not happen	1653	$self->reset; # polite request, might not happen
1388	}	1654	}
1389		1655
1390	sub customise_for {	1656	=item cf::map::unique_maps
1391	my ($map, $ob) = @_;
1392		1657
1393	if ($map->per_player) {	1658	Returns an arrayref of paths of all shared maps that have
1394	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1659	instantiated unique items. May block.
1395	}
1396		1660
1397	$map	1661	=cut
1398	}
1399		1662
1400	sub emergency_save {	1663	sub unique_maps() {
1401	local $cf::FREEZE = 1;	1664	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1665	or return;
1402		1666
1403	warn "enter emergency map save\n";	1667	my @paths;
1404		1668
1405	cf::sync_job {	1669	for (@$files) {
1406	warn "begin emergency map save\n";	1670	utf8::decode $_;
1407	$_->save for values %cf::MAP;	1671	next if /\.pst$/;
		1672	next unless /^$PATH_SEP/o;
		1673
		1674	push @paths, cf::map::normalise $_;
1408	};	1675	}
1409		1676
1410	warn "end emergency map save\n";	1677	\@paths
1411	}	1678	}
1412		1679
1413	package cf;	1680	package cf;
1414		1681
1415	=back	1682	=back
1416		1683
		1684	=head3 cf::object
		1685
		1686	=cut
		1687
		1688	package cf::object;
		1689
		1690	=over 4
		1691
		1692	=item $ob->inv_recursive
		1693
		1694	Returns the inventory of the object _and_ their inventories, recursively.
		1695
		1696	=cut
		1697
		1698	sub inv_recursive_;
		1699	sub inv_recursive_ {
		1700	map { $_, inv_recursive_ $_->inv } @_
		1701	}
		1702
		1703	sub inv_recursive {
		1704	inv_recursive_ inv $_[0]
		1705	}
		1706
		1707	package cf;
		1708
		1709	=back
1417		1710
1418	=head3 cf::object::player	1711	=head3 cf::object::player
1419		1712
1420	=over 4	1713	=over 4
1421		1714
…		…
1461		1754
1462	=item $player_object->enter_link	1755	=item $player_object->enter_link
1463		1756
1464	Freezes the player and moves him/her to a special map (C<{link}>).	1757	Freezes the player and moves him/her to a special map (C<{link}>).
1465		1758
1466	The player should be reaosnably safe there for short amounts of time. You	1759	The player should be reasonably safe there for short amounts of time. You
1467	I<MUST> call C<leave_link> as soon as possible, though.	1760	I<MUST> call C<leave_link> as soon as possible, though.
1468		1761
		1762	Will never block.
		1763
1469	=item $player_object->leave_link ($map, $x, $y)	1764	=item $player_object->leave_link ($map, $x, $y)
1470		1765
1471	Moves the player out of the specila link map onto the given map. If the	1766	Moves the player out of the special C<{link}> map onto the specified
1472	map is not valid (or omitted), the player will be moved back to the	1767	map. If the map is not valid (or omitted), the player will be moved back
1473	location he/she was before the call to C<enter_link>, or, if that fails,	1768	to the location he/she was before the call to C<enter_link>, or, if that
1474	to the emergency map position.	1769	fails, to the emergency map position.
1475		1770
1476	Might block.	1771	Might block.
1477		1772
1478	=cut	1773	=cut
		1774
		1775	sub link_map {
		1776	unless ($LINK_MAP) {
		1777	$LINK_MAP = cf::map::find "{link}"
		1778	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1779	$LINK_MAP->load;
		1780	}
		1781
		1782	$LINK_MAP
		1783	}
1479		1784
1480	sub cf::object::player::enter_link {	1785	sub cf::object::player::enter_link {
1481	my ($self) = @_;	1786	my ($self) = @_;
1482		1787
1483	$self->deactivate_recursive;	1788	$self->deactivate_recursive;
1484		1789
1485	return if $self->map == $LINK_MAP;	1790	return if UNIVERSAL::isa $self->map, "ext::map_link";
1486		1791
1487	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1792	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1488	if $self->map;	1793	if $self->map;
1489		1794
1490	$self->enter_map ($LINK_MAP, 20, 20);	1795	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1491	}	1796	}
1492		1797
1493	sub cf::object::player::leave_link {	1798	sub cf::object::player::leave_link {
1494	my ($self, $map, $x, $y) = @_;	1799	my ($self, $map, $x, $y) = @_;
1495		1800
1496	my $link_pos = delete $self->{_link_pos};	1801	my $link_pos = delete $self->{_link_pos};
1497		1802
1498	unless ($map) {	1803	unless ($map) {
1499	# restore original map position	1804	# restore original map position
1500	($map, $x, $y) = @{ $link_pos || [] };	1805	($map, $x, $y) = @{ $link_pos || [] };
1501	$map = cf::map::find_map $map;	1806	$map = cf::map::find $map;
1502		1807
1503	unless ($map) {	1808	unless ($map) {
1504	($map, $x, $y) = @$EMERGENCY_POSITION;	1809	($map, $x, $y) = @$EMERGENCY_POSITION;
1505	$map = cf::map::find_map $map	1810	$map = cf::map::find $map
1506	or die "FATAL: cannot load emergency map\n";	1811	or die "FATAL: cannot load emergency map\n";
1507	}	1812	}
1508	}	1813	}
1509		1814
1510	($x, $y) = (-1, -1)	1815	($x, $y) = (-1, -1)
…		…
1513	# use -1 or undef as default coordinates, not 0, 0	1818	# use -1 or undef as default coordinates, not 0, 0
1514	($x, $y) = ($map->enter_x, $map->enter_y)	1819	($x, $y) = ($map->enter_x, $map->enter_y)
1515	if $x <=0 && $y <= 0;	1820	if $x <=0 && $y <= 0;
1516		1821
1517	$map->load;	1822	$map->load;
		1823	$map->load_diag;
1518		1824
		1825	return unless $self->contr->active;
1519	$self->activate_recursive;	1826	$self->activate_recursive;
1520	$self->enter_map ($map, $x, $y);	1827	$self->enter_map ($map, $x, $y);
1521	}	1828	}
1522		1829
1523	cf::player->attach (	1830	cf::player->attach (
…		…
1536		1843
1537	# try to abort aborted map switching on player login :)	1844	# try to abort aborted map switching on player login :)
1538	# should happen only on crashes	1845	# should happen only on crashes
1539	if ($pl->ob->{_link_pos}) {	1846	if ($pl->ob->{_link_pos}) {
1540	$pl->ob->enter_link;	1847	$pl->ob->enter_link;
1541	Coro::async {	1848	(async {
1542	# we need this sleep as the login has a concurrent enter_exit running	1849	# we need this sleep as the login has a concurrent enter_exit running
1543	# and this sleep increases chances of the player not ending up in scorn	1850	# and this sleep increases chances of the player not ending up in scorn
		1851	$pl->ob->reply (undef,
		1852	"There was an internal problem at your last logout, "
		1853	. "the server will try to bring you to your intended destination in a second.",
		1854	cf::NDI_RED);
1544	Coro::Timer::sleep 1;	1855	Coro::Timer::sleep 1;
1545	$pl->ob->leave_link;	1856	$pl->ob->leave_link;
1546	};	1857	})->prio (2);
1547	}	1858	}
1548	},	1859	},
1549	);	1860	);
1550		1861
1551	=item $player_object->goto_map ($path, $x, $y)	1862	=item $player_object->goto ($path, $x, $y)
1552		1863
1553	=cut	1864	=cut
1554		1865
1555	sub cf::object::player::goto_map {	1866	sub cf::object::player::goto {
1556	my ($self, $path, $x, $y) = @_;	1867	my ($self, $path, $x, $y) = @_;
1557		1868
1558	$self->enter_link;	1869	$self->enter_link;
1559		1870
1560	(Coro::async {	1871	(async {
1561	$path = new cf::path $path;	1872	my $map = eval {
1562
1563	my $map = cf::map::find_map $path->as_string;	1873	my $map = cf::map::find $path;
1564	$map = $map->customise_for ($self) if $map;	1874	$map = $map->customise_for ($self) if $map;
1565		1875	$map
1566	# warn "entering ", $map->path, " at ($x, $y)\n"	1876	} or
1567	# if $map;
1568
1569	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1570		1878
1571	$self->leave_link ($map, $x, $y);	1879	$self->leave_link ($map, $x, $y);
1572	})->prio (1);	1880	})->prio (1);
1573	}	1881	}
1574		1882
…		…
1578		1886
1579	sub parse_random_map_params {	1887	sub parse_random_map_params {
1580	my ($spec) = @_;	1888	my ($spec) = @_;
1581		1889
1582	my $rmp = { # defaults	1890	my $rmp = { # defaults
1583	xsize => 10,	1891	xsize => (cf::rndm 15, 40),
1584	ysize => 10,	1892	ysize => (cf::rndm 15, 40),
		1893	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1894	#layout => string,
1585	};	1895	};
1586		1896
1587	for (split /\n/, $spec) {	1897	for (split /\n/, $spec) {
1588	my ($k, $v) = split /\s+/, $_, 2;	1898	my ($k, $v) = split /\s+/, $_, 2;
1589		1899
…		…
1593	$rmp	1903	$rmp
1594	}	1904	}
1595		1905
1596	sub prepare_random_map {	1906	sub prepare_random_map {
1597	my ($exit) = @_;	1907	my ($exit) = @_;
		1908
		1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1598		1910
1599	# all this does is basically replace the /! path by	1911	# all this does is basically replace the /! path by
1600	# a new random map path (?random/...) with a seed	1912	# a new random map path (?random/...) with a seed
1601	# that depends on the exit object	1913	# that depends on the exit object
1602		1914
1603	my $rmp = parse_random_map_params $exit->msg;	1915	my $rmp = parse_random_map_params $exit->msg;
1604		1916
1605	if ($exit->map) {	1917	if ($exit->map) {
1606	$rmp->{region} = $exit->map->region_name;	1918	$rmp->{region} = $exit->region->name;
1607	$rmp->{origin_map} = $exit->map->path;	1919	$rmp->{origin_map} = $exit->map->path;
1608	$rmp->{origin_x} = $exit->x;	1920	$rmp->{origin_x} = $exit->x;
1609	$rmp->{origin_y} = $exit->y;	1921	$rmp->{origin_y} = $exit->y;
1610	}	1922	}
1611		1923
1612	$rmp->{random_seed} ||= $exit->random_seed;	1924	$rmp->{random_seed} ||= $exit->random_seed;
1613		1925
1614	my $data = cf::to_json $rmp;	1926	my $data = cf::to_json $rmp;
1615	my $md5 = Digest::MD5::md5_hex $data;	1927	my $md5 = Digest::MD5::md5_hex $data;
		1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1616		1929
1617	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1618	aio_write $fh, 0, (length $data), $data, 0;	1931	aio_write $fh, 0, (length $data), $data, 0;
		1932	undef $fh;
		1933	aio_rename "$meta~", $meta;
1619		1934
1620	$exit->slaying ("?random/$md5");	1935	$exit->slaying ("?random/$md5");
1621	$exit->msg (undef);	1936	$exit->msg (undef);
1622	}	1937	}
1623	}	1938	}
…		…
1625	sub cf::object::player::enter_exit {	1940	sub cf::object::player::enter_exit {
1626	my ($self, $exit) = @_;	1941	my ($self, $exit) = @_;
1627		1942
1628	return unless $self->type == cf::PLAYER;	1943	return unless $self->type == cf::PLAYER;
1629		1944
		1945	if ($exit->slaying eq "/!") {
		1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1947	cf::sync_job { prepare_random_map $exit };
		1948	}
		1949
		1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1951	my $hp = $exit->stats->hp;
		1952	my $sp = $exit->stats->sp;
		1953
1630	$self->enter_link;	1954	$self->enter_link;
1631		1955
1632	(Coro::async {	1956	(async {
		1957	$self->deactivate_recursive; # just to be sure
1633	unless (eval {	1958	unless (eval {
1634		1959	$self->goto ($slaying, $hp, $sp);
1635	prepare_random_map $exit
1636	if $exit->slaying eq "/!";
1637
1638	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1639	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1640		1960
1641	1;	1961	1;
1642	}) {	1962	}) {
1643	$self->message ("Something went wrong deep within the crossfire server. "	1963	$self->message ("Something went wrong deep within the crossfire server. "
1644	. "I'll try to bring you back to the map you were before. "	1964	. "I'll try to bring you back to the map you were before. "
1645	. "Please report this to the dungeon master",	1965	. "Please report this to the dungeon master!",
1646	cf::NDI_UNIQUE | cf::NDI_RED);	1966	cf::NDI_UNIQUE | cf::NDI_RED);
1647		1967
1648	warn "ERROR in enter_exit: $@";	1968	warn "ERROR in enter_exit: $@";
1649	$self->leave_link;	1969	$self->leave_link;
1650	}	1970	}
…		…
1701	on_reply => sub {	2021	on_reply => sub {
1702	my ($ns, $msg) = @_;	2022	my ($ns, $msg) = @_;
1703		2023
1704	# this weird shuffling is so that direct followup queries	2024	# this weird shuffling is so that direct followup queries
1705	# get handled first	2025	# get handled first
1706	my $queue = delete $ns->{query_queue};	2026	my $queue = delete $ns->{query_queue}
		2027	or return; # be conservative, not sure how that can happen, but we saw a crash here
1707		2028
1708	(shift @$queue)->[1]->($msg);	2029	(shift @$queue)->[1]->($msg);
		2030	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1709		2031
1710	push @{ $ns->{query_queue} }, @$queue;	2032	push @{ $ns->{query_queue} }, @$queue;
1711		2033
1712	if (@{ $ns->{query_queue} } == @$queue) {	2034	if (@{ $ns->{query_queue} } == @$queue) {
1713	if (@$queue) {	2035	if (@$queue) {
…		…
1717	}	2039	}
1718	}	2040	}
1719	},	2041	},
1720	);	2042	);
1721		2043
1722	=item $client->coro (\&cb)	2044	=item $client->async (\&cb)
1723		2045
1724	Create a new coroutine, running the specified callback. The coroutine will	2046	Create a new coroutine, running the specified callback. The coroutine will
1725	be automatically cancelled when the client gets destroyed (e.g. on logout,	2047	be automatically cancelled when the client gets destroyed (e.g. on logout,
1726	or loss of connection).	2048	or loss of connection).
1727		2049
1728	=cut	2050	=cut
1729		2051
1730	sub cf::client::coro {	2052	sub cf::client::async {
1731	my ($self, $cb) = @_;	2053	my ($self, $cb) = @_;
1732		2054
1733	my $coro; $coro = async {	2055	my $coro = &Coro::async ($cb);
1734	eval {
1735	$cb->();
1736	};
1737	warn $@ if $@;
1738	};
1739		2056
1740	$coro->on_destroy (sub {	2057	$coro->on_destroy (sub {
1741	delete $self->{_coro}{$coro+0};	2058	delete $self->{_coro}{$coro+0};
1742	});	2059	});
1743		2060
…		…
1879	The parameter C<$family> should best start with the name of the extension	2196	The parameter C<$family> should best start with the name of the extension
1880	using it, it should be unique.	2197	using it, it should be unique.
1881		2198
1882	=over 4	2199	=over 4
1883		2200
1884	=item $hashref = cf::db_get $family
1885
1886	Return a hashref for use by the extension C<$family>, which can be
1887	modified. After modifications, you have to call C<cf::db_dirty> or
1888	C<cf::db_sync>.
1889
1890	=item $value = cf::db_get $family => $key	2201	=item $value = cf::db_get $family => $key
1891		2202
1892	Returns a single value from the database	2203	Returns a single value from the database.
1893
1894	=item cf::db_put $family => $hashref
1895
1896	Stores the given family hashref into the database. Updates are delayed, if
1897	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1898		2204
1899	=item cf::db_put $family => $key => $value	2205	=item cf::db_put $family => $key => $value
1900		2206
1901	Stores the given C<$value> in the family hash. Updates are delayed, if you	2207	Stores the given C<$value> in the family.
1902	want the data to be synced to disk immediately, use C<cf::db_sync>.
1903
1904	=item cf::db_dirty
1905
1906	Marks the database as dirty, to be updated at a later time.
1907
1908	=item cf::db_sync
1909
1910	Immediately write the database to disk I<if it is dirty>.
1911		2208
1912	=cut	2209	=cut
1913		2210
1914	our $DB;	2211	our $DB;
1915		2212
1916	{	2213	sub db_init {
		2214	unless ($DB) {
		2215	$DB = BDB::db_create $DB_ENV;
		2216
		2217	cf::sync_job {
		2218	eval {
		2219	$DB->set_flags (BDB::CHKSUM);
		2220
		2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2223	cf::cleanup "db_open(db): $!" if $!;
		2224	};
		2225	cf::cleanup "db_open(db): $@" if $@;
		2226	};
		2227
1917	my $path = cf::localdir . "/database.pst";	2228	my $path = cf::localdir . "/database.pst";
		2229	if (stat $path) {
		2230	cf::sync_job {
		2231	my $pst = Storable::retrieve $path;
1918		2232
1919	sub db_load() {	2233	cf::db_put (board => data => $pst->{board});
1920	$DB = stat $path ? Storable::retrieve $path : { };	2234	cf::db_put (guildrules => data => $pst->{guildrules});
1921	}	2235	cf::db_put (rent => balance => $pst->{rent}{balance});
		2236	BDB::db_env_txn_checkpoint $DB_ENV;
1922		2237
1923	my $pid;	2238	unlink $path;
1924
1925	sub db_save() {
1926	waitpid $pid, 0 if $pid;
1927	if (0 == ($pid = fork)) {
1928	$DB->{_meta}{version} = 1;
1929	Storable::nstore $DB, "$path~";
1930	rename "$path~", $path;
1931	cf::_exit 0 if defined $pid;
1932	}	2239	};
1933	}
1934
1935	my $dirty;
1936
1937	sub db_sync() {
1938	db_save if $dirty;
1939	undef $dirty;
1940	}
1941
1942	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1943	db_sync;
1944	});
1945
1946	sub db_dirty() {
1947	$dirty = 1;
1948	$idle->start;
1949	}
1950
1951	sub db_get($;$) {
1952	@_ >= 2
1953	? $DB->{$_[0]}{$_[1]}
1954	: ($DB->{$_[0]} ||= { })
1955	}
1956
1957	sub db_put($$;$) {
1958	if (@_ >= 3) {
1959	$DB->{$_[0]}{$_[1]} = $_[2];
1960	} else {
1961	$DB->{$_[0]} = $_[1];
1962	}
1963	db_dirty;
1964	}
1965
1966	cf::global->attach (
1967	prio => 10000,
1968	on_cleanup => sub {
1969	db_sync;
1970	},	2240	}
1971	);	2241	}
		2242	}
		2243
		2244	sub db_get($$) {
		2245	my $key = "$_[0]/$_[1]";
		2246
		2247	cf::sync_job {
		2248	BDB::db_get $DB, undef, $key, my $data;
		2249
		2250	$! ? ()
		2251	: Compress::LZF::sthaw $data
		2252	}
		2253	}
		2254
		2255	sub db_put($$$) {
		2256	BDB::dbreq_pri 4;
		2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1972	}	2258	}
1973		2259
1974	#############################################################################	2260	#############################################################################
1975	# the server's main()	2261	# the server's init and main functions
		2262
		2263	sub load_resources {
		2264	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2265	or die "unable to load regions file\n";#d#
		2266	}
1976		2267
1977	sub cfg_load {	2268	sub cfg_load {
1978	open my $fh, "<:utf8", cf::confdir . "/config"	2269	open my $fh, "<:utf8", cf::confdir . "/config"
1979	or return;	2270	or return;
1980		2271
1981	local $/;	2272	local $/;
1982	*CFG = YAML::Syck::Load <$fh>;	2273	*CFG = YAML::Syck::Load <$fh>;
		2274
		2275	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2276
		2277	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2278	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2279
		2280	if (exists $CFG{mlockall}) {
		2281	eval {
		2282	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2283	and die "WARNING: m(un)lockall failed: $!\n";
		2284	};
		2285	warn $@ if $@;
		2286	}
		2287	}
		2288
		2289	sub init {
		2290	load_resources;
1983	}	2291	}
1984		2292
1985	sub main {	2293	sub main {
1986	# we must not ever block the main coroutine	2294	# we must not ever block the main coroutine
1987	local $Coro::idle = sub {	2295	local $Coro::idle = sub {
1988	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2296	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1989	(Coro::unblock_sub {	2297	(async {
1990	Event::one_event;	2298	Event::one_event;
1991	})->();	2299	})->prio (Coro::PRIO_MAX);
1992	};	2300	};
1993		2301
1994	cfg_load;	2302	cfg_load;
1995	db_load;	2303	db_init;
1996	load_extensions;	2304	load_extensions;
		2305
		2306	$TICK_WATCHER->start;
1997	Event::loop;	2307	Event::loop;
1998	}	2308	}
1999		2309
2000	#############################################################################	2310	#############################################################################
2001	# initialisation	2311	# initialisation and cleanup
		2312
		2313	# install some emergency cleanup handlers
		2314	BEGIN {
		2315	for my $signal (qw(INT HUP TERM)) {
		2316	Event->signal (
		2317	reentrant => 0,
		2318	data => WF_AUTOCANCEL,
		2319	signal => $signal,
		2320	prio => 0,
		2321	cb => sub {
		2322	cf::cleanup "SIG$signal";
		2323	},
		2324	);
		2325	}
		2326	}
		2327
		2328	sub emergency_save() {
		2329	my $freeze_guard = cf::freeze_mainloop;
		2330
		2331	warn "enter emergency perl save\n";
		2332
		2333	cf::sync_job {
		2334	# use a peculiar iteration method to avoid tripping on perl
		2335	# refcount bugs in for. also avoids problems with players
		2336	# and maps saved/destroyed asynchronously.
		2337	warn "begin emergency player save\n";
		2338	for my $login (keys %cf::PLAYER) {
		2339	my $pl = $cf::PLAYER{$login} or next;
		2340	$pl->valid or next;
		2341	$pl->save;
		2342	}
		2343	warn "end emergency player save\n";
		2344
		2345	warn "begin emergency map save\n";
		2346	for my $path (keys %cf::MAP) {
		2347	my $map = $cf::MAP{$path} or next;
		2348	$map->valid or next;
		2349	$map->save;
		2350	}
		2351	warn "end emergency map save\n";
		2352
		2353	warn "begin emergency database checkpoint\n";
		2354	BDB::db_env_txn_checkpoint $DB_ENV;
		2355	warn "end emergency database checkpoint\n";
		2356	};
		2357
		2358	warn "leave emergency perl save\n";
		2359	}
		2360
		2361	sub post_cleanup {
		2362	my ($make_core) = @_;
		2363
		2364	warn Carp::longmess "post_cleanup backtrace"
		2365	if $make_core;
		2366	}
2002		2367
2003	sub reload() {	2368	sub reload() {
2004	# can/must only be called in main	2369	# can/must only be called in main
2005	if ($Coro::current != $Coro::main) {	2370	if ($Coro::current != $Coro::main) {
2006	warn "can only reload from main coroutine\n";	2371	warn "can only reload from main coroutine";
2007	return;	2372	return;
2008	}	2373	}
2009		2374
2010	warn "reloading...";	2375	warn "reloading...";
2011		2376
2012	local $FREEZE = 1;	2377	warn "cancelling server ticker";
		2378	$TICK_WATCHER->cancel;
		2379
2013	cf::emergency_save;	2380	cf::emergency_save;
2014		2381
2015	eval {	2382	eval {
2016	# if anything goes wrong in here, we should simply crash as we already saved	2383	# if anything goes wrong in here, we should simply crash as we already saved
2017		2384
2018	# cancel all watchers	2385	warn "cancelling all WF_AUTOCANCEL watchers";
2019	for (Event::all_watchers) {	2386	for (Event::all_watchers) {
2020	$_->cancel if $_->data & WF_AUTOCANCEL;	2387	$_->cancel if $_->data & WF_AUTOCANCEL;
2021	}	2388	}
2022		2389
		2390	warn "syncing database to disk";
		2391	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		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
2023	# cancel all extension coros	2402	warn "cancelling all extension coros";
2024	$_->cancel for values %EXT_CORO;	2403	$_->cancel for values %EXT_CORO;
2025	%EXT_CORO = ();	2404	%EXT_CORO = ();
2026		2405
2027	# unload all extensions	2406	warn "removing commands";
2028	for (@exts) {	2407	%COMMAND = ();
		2408
		2409	warn "removing ext commands";
		2410	%EXTCMD = ();
		2411
		2412	warn "unloading/nuking all extensions";
		2413	for my $pkg (@EXTS) {
2029	warn "unloading <$_>";	2414	warn "... unloading $pkg";
2030	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: $@";
2031	}	2421	}
2032		2422
		2423	warn "... nuking $pkg";
		2424	Symbol::delete_package $pkg;
		2425	}
		2426
2033	# unload all modules loaded from $LIBDIR	2427	warn "unloading all perl modules loaded from $LIBDIR";
2034	while (my ($k, $v) = each %INC) {	2428	while (my ($k, $v) = each %INC) {
2035	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2429	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2036		2430
2037	warn "removing <$k>";	2431	warn "... unloading $k";
2038	delete $INC{$k};	2432	delete $INC{$k};
2039		2433
2040	$k =~ s/\.pm$//;	2434	$k =~ s/\.pm$//;
2041	$k =~ s/\//::/g;	2435	$k =~ s/\//::/g;
2042		2436
…		…
2045	}	2439	}
2046		2440
2047	Symbol::delete_package $k;	2441	Symbol::delete_package $k;
2048	}	2442	}
2049		2443
2050	# sync database to disk
2051	cf::db_sync;
2052	IO::AIO::flush;
2053
2054	# get rid of safe::, as good as possible	2444	warn "getting rid of safe::, as good as possible";
2055	Symbol::delete_package "safe::$_"	2445	Symbol::delete_package "safe::$_"
2056	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);
2057		2447
2058	# remove register_script_function callbacks
2059	# TODO
2060
2061	# unload cf.pm "a bit"	2448	warn "unloading cf.pm \"a bit\"";
2062	delete $INC{"cf.pm"};	2449	delete $INC{"cf.pm"};
2063		2450
2064	# don't, removes xs symbols, too,	2451	# don't, removes xs symbols, too,
2065	# and global variables created in xs	2452	# and global variables created in xs
2066	#Symbol::delete_package __PACKAGE__;	2453	#Symbol::delete_package __PACKAGE__;
2067		2454
2068	# reload cf.pm	2455	warn "unload completed, starting to reload now";
		2456
2069	warn "reloading cf.pm";	2457	warn "reloading cf.pm";
2070	require cf;	2458	require cf;
2071	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2072		2460
2073	# load config and database again	2461	warn "loading config and database again";
2074	cf::cfg_load;	2462	cf::cfg_load;
2075	cf::db_load;
2076		2463
2077	# load extensions
2078	warn "load extensions";	2464	warn "loading extensions";
2079	cf::load_extensions;	2465	cf::load_extensions;
2080		2466
2081	# reattach attachments to objects	2467	warn "reattaching attachments to objects/players";
2082	warn "reattach";
2083	_global_reattach;	2468	_global_reattach;
		2469	warn "reattaching attachments to maps";
		2470	reattach $_ for values %MAP;
		2471
		2472	warn "loading reloadable resources";
		2473	load_resources;
		2474
		2475	warn "restarting server ticker";
		2476
		2477	$TICK_WATCHER->start;
2084	};	2478	};
2085		2479
2086	if ($@) {	2480	if ($@) {
2087	warn $@;	2481	warn $@;
2088	warn "error while reloading, exiting.";	2482	warn "error while reloading, exiting.";
2089	exit 1;	2483	exit 1;
2090	}	2484	}
2091		2485
2092	warn "reloaded successfully";	2486	warn "reloaded";
2093	};	2487	};
2094		2488
2095	#############################################################################	2489	our $RELOAD_WATCHER; # used only during reload
2096
2097	unless ($LINK_MAP) {
2098	$LINK_MAP = cf::map::new;
2099
2100	$LINK_MAP->width (41);
2101	$LINK_MAP->height (41);
2102	$LINK_MAP->alloc;
2103	$LINK_MAP->path ("{link}");
2104	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2105	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2106
2107	# dirty hack because... archetypes are not yet loaded
2108	Event->timer (
2109	after => 2,
2110	cb => sub {
2111	$_[0]->w->cancel;
2112
2113	# provide some exits "home"
2114	my $exit = cf::object::new "exit";
2115
2116	$exit->slaying ($EMERGENCY_POSITION->[0]);
2117	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2118	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2119
2120	$LINK_MAP->insert ($exit->clone, 19, 19);
2121	$LINK_MAP->insert ($exit->clone, 19, 20);
2122	$LINK_MAP->insert ($exit->clone, 19, 21);
2123	$LINK_MAP->insert ($exit->clone, 20, 19);
2124	$LINK_MAP->insert ($exit->clone, 20, 21);
2125	$LINK_MAP->insert ($exit->clone, 21, 19);
2126	$LINK_MAP->insert ($exit->clone, 21, 20);
2127	$LINK_MAP->insert ($exit->clone, 21, 21);
2128
2129	$exit->destroy;
2130	});
2131
2132	$LINK_MAP->{deny_save} = 1;
2133	$LINK_MAP->{deny_reset} = 1;
2134
2135	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2136	}
2137
2138	register "<global>", __PACKAGE__;
2139		2490
2140	register_command "reload" => sub {	2491	register_command "reload" => sub {
2141	my ($who, $arg) = @_;	2492	my ($who, $arg) = @_;
2142		2493
2143	if ($who->flag (FLAG_WIZ)) {	2494	if ($who->flag (FLAG_WIZ)) {
2144	$who->message ("start of reload.");	2495	$who->message ("reloading server.");
		2496
		2497	# doing reload synchronously and two reloads happen back-to-back,
		2498	# coro crashes during coro_state_free->destroy here.
		2499
		2500	$RELOAD_WATCHER ||= Event->timer (
		2501	reentrant => 0,
		2502	after => 0,
		2503	data => WF_AUTOCANCEL,
		2504	cb => sub {
2145	reload;	2505	reload;
2146	$who->message ("end of reload.");	2506	undef $RELOAD_WATCHER;
		2507	},
		2508	);
2147	}	2509	}
2148	};	2510	};
2149		2511
2150	unshift @INC, $LIBDIR;	2512	unshift @INC, $LIBDIR;
		2513
		2514	my $bug_warning = 0;
2151		2515
2152	$TICK_WATCHER = Event->timer (	2516	$TICK_WATCHER = Event->timer (
2153	reentrant => 0,	2517	reentrant => 0,
		2518	parked => 1,
2154	prio => 0,	2519	prio => 0,
2155	at => $NEXT_TICK || $TICK,	2520	at => $NEXT_TICK || $TICK,
2156	data => WF_AUTOCANCEL,	2521	data => WF_AUTOCANCEL,
2157	cb => sub {	2522	cb => sub {
2158	unless ($FREEZE) {	2523	if ($Coro::current != $Coro::main) {
		2524	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2525	unless ++$bug_warning > 10;
		2526	return;
		2527	}
		2528
		2529	$NOW = Event::time;
		2530
2159	cf::server_tick; # one server iteration	2531	cf::server_tick; # one server iteration
2160	$RUNTIME += $TICK;	2532	$RUNTIME += $TICK;
2161	}
2162
2163	$NEXT_TICK += $TICK;	2533	$NEXT_TICK += $TICK;
		2534
		2535	$WAIT_FOR_TICK->broadcast;
		2536	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2537
		2538	Event::sweep;
		2539	Coro::cede_notself;
		2540
		2541	# my $AFTER = Event::time;
		2542	# warn $AFTER - $NOW;#d#
2164		2543
2165	# if we are delayed by four ticks or more, skip them all	2544	# if we are delayed by four ticks or more, skip them all
2166	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2545	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2167		2546
2168	$TICK_WATCHER->at ($NEXT_TICK);	2547	$TICK_WATCHER->at ($NEXT_TICK);
2169	$TICK_WATCHER->start;	2548	$TICK_WATCHER->start;
2170	},	2549	},
2171	);	2550	);
2172		2551
		2552	{
		2553	BDB::max_poll_time $TICK * 0.1;
		2554	$BDB_POLL_WATCHER = Event->io (
		2555	reentrant => 0,
		2556	fd => BDB::poll_fileno,
		2557	poll => 'r',
		2558	prio => 0,
		2559	data => WF_AUTOCANCEL,
		2560	cb => \&BDB::poll_cb,
		2561	);
		2562	BDB::min_parallel 8;
		2563
		2564	BDB::set_sync_prepare {
		2565	my $status;
		2566	my $current = $Coro::current;
		2567	(
		2568	sub {
		2569	$status = $!;
		2570	$current->ready; undef $current;
		2571	},
		2572	sub {
		2573	Coro::schedule while defined $current;
		2574	$! = $status;
		2575	},
		2576	)
		2577	};
		2578
		2579	unless ($DB_ENV) {
		2580	$DB_ENV = BDB::db_env_create;
		2581
		2582	cf::sync_job {
		2583	eval {
		2584	BDB::db_env_open
		2585	$DB_ENV,
		2586	$BDB_ENV_DIR,
		2587	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2588	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2589	0666;
		2590
		2591	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2592
		2593	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2594	$DB_ENV->set_lk_detect;
		2595	};
		2596
		2597	cf::cleanup "db_env_open(db): $@" if $@;
		2598	};
		2599	}
		2600	}
		2601
		2602	{
		2603	IO::AIO::min_parallel 8;
		2604
		2605	undef $Coro::AIO::WATCHER;
2173	IO::AIO::max_poll_time $TICK * 0.2;	2606	IO::AIO::max_poll_time $TICK * 0.1;
2174		2607	$AIO_POLL_WATCHER = Event->io (
2175	Event->io (	2608	reentrant => 0,
2176	fd => IO::AIO::poll_fileno,	2609	fd => IO::AIO::poll_fileno,
2177	poll => 'r',	2610	poll => 'r',
2178	prio => 5,	2611	prio => 6,
2179	data => WF_AUTOCANCEL,	2612	data => WF_AUTOCANCEL,
2180	cb => \&IO::AIO::poll_cb,	2613	cb => \&IO::AIO::poll_cb,
2181	);	2614	);
		2615	}
2182		2616
2183	Event->timer (	2617	$WRITE_RUNTIME_WATCHER = Event->timer (
		2618	reentrant => 0,
2184	data => WF_AUTOCANCEL,	2619	data => WF_AUTOCANCEL,
2185	after => 0,	2620	after => 1,
2186	interval => 10,	2621	interval => 10,
2187	cb => sub {	2622	prio => 6, # keep it lowest so it acts like a watchdog
2188	(Coro::unblock_sub {	2623	cb => Coro::unblock_sub {
2189	write_runtime	2624	write_runtime
2190	or warn "ERROR: unable to write runtime file: $!";	2625	or warn "ERROR: unable to write runtime file: $!";
2191	})->();
2192	},	2626	},
2193	);	2627	);
2194		2628
		2629	END { cf::emergency_save }
		2630
2195	1	2631	1
2196		2632

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