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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.132 by root, Thu Jan 4 01:35:56 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
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	96	our $EMERGENCY_POSITION;
		97
		98	sub cf::map::normalise;
77		99
78	#############################################################################	100	#############################################################################
79		101
80	=head2 GLOBAL VARIABLES	102	=head2 GLOBAL VARIABLES
81		103
…		…
105		127
106	=item %cf::CFG	128	=item %cf::CFG
107		129
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	130	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	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.
110		139
111	=back	140	=back
112		141
113	=cut	142	=cut
114		143
…		…
118	utf8::encode $msg;	147	utf8::encode $msg;
119		148
120	$msg .= "\n"	149	$msg .= "\n"
121	unless $msg =~ /\n$/;	150	unless $msg =~ /\n$/;
122		151
123	LOG llevError, "cfperl: $msg";	152	LOG llevError, $msg;
124	};	153	};
125	}	154	}
126		155
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
146		175
147	$Event::DIED = sub {	176	$Event::DIED = sub {
148	warn "error in event callback: @_";	177	warn "error in event callback: @_";
149	};	178	};
150		179
151	my %ext_pkg;
152	my @exts;
153	my @hook;
154
155	=head2 UTILITY FUNCTIONS	180	=head2 UTILITY FUNCTIONS
156		181
157	=over 4	182	=over 4
158		183
		184	=item dumpval $ref
		185
159	=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	}
160		206
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	207	use JSON::Syck (); # TODO# replace by JSON::PC once working
162		208
163	=item $ref = cf::from_json $json	209	=item $ref = cf::from_json $json
164		210
…		…
180	sub to_json($) {	226	sub to_json($) {
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
182	JSON::Syck::Dump $_[0]	228	JSON::Syck::Dump $_[0]
183	}	229	}
184		230
185	=item my $guard = cf::guard { BLOCK }
186
187	Run the given callback when the guard object gets destroyed (useful for
188	coroutine cancellations).
189
190	You can call C<< ->cancel >> on the guard object to stop the block from
191	being executed.
192
193	=cut
194
195	sub guard(&) {
196	bless \(my $cb = $_[0]), cf::guard::;
197	}
198
199	sub cf::guard::cancel {
200	${$_[0]} = sub { };
201	}
202
203	sub cf::guard::DESTROY {
204	${$_[0]}->();
205	}
206
207	=item cf::lock_wait $string	231	=item cf::lock_wait $string
208		232
209	Wait until the given lock is available. See cf::lock_acquire.	233	Wait until the given lock is available. See cf::lock_acquire.
210		234
211	=item my $lock = cf::lock_acquire $string	235	=item my $lock = cf::lock_acquire $string
212		236
213	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
214	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,
215	for example when the coroutine gets canceled), the lock is automatically	239	for example when the coroutine gets canceled), the lock is automatically
216	returned.	240	returned.
217		241
218	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
219	uses map_find and load_map uses map_load).	243	uses map_find and cf::map::load uses map_load).
220		244
221	=cut	245	=cut
222		246
223	our %LOCK;	247	our %LOCK;
224		248
…		…
238	# wait, to be sure we are not locked	262	# wait, to be sure we are not locked
239	lock_wait $key;	263	lock_wait $key;
240		264
241	$LOCK{$key} = [];	265	$LOCK{$key} = [];
242		266
243	cf::guard {	267	Coro::guard {
244	# wake up all waiters, to be on the safe side	268	# wake up all waiters, to be on the safe side
245	$_->ready for @{ delete $LOCK{$key} };	269	$_->ready for @{ delete $LOCK{$key} };
246	}	270	}
247	}	271	}
248		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	$guard
		283	}
		284
249	=item cf::async { BLOCK }	285	=item cf::async { BLOCK }
250		286
251	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	287	Currently the same as Coro::async_pool, meaning you cannot use
252	error instead of exiting the server in case of a problem.	288	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		289	thing you are allowed to do is call C<prio> on it.
253		290
254	=cut	291	=cut
255		292
256	sub async(&) {	293	BEGIN { *async = \&Coro::async_pool }
257	my ($cb) = @_;
258
259	Coro::async {
260	eval { $cb->() };
261	warn $@ if $@;
262	}
263	}
264		294
265	=item cf::sync_job { BLOCK }	295	=item cf::sync_job { BLOCK }
266		296
267	The design of crossfire+ requires that the main coro ($Coro::main) is	297	The design of crossfire+ requires that the main coro ($Coro::main) is
268	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
…		…
282	# this is the main coro, too bad, we have to block	312	# this is the main coro, too bad, we have to block
283	# till the operation succeeds, freezing the server :/	313	# till the operation succeeds, freezing the server :/
284		314
285	# TODO: use suspend/resume instead	315	# TODO: use suspend/resume instead
286	# (but this is cancel-safe)	316	# (but this is cancel-safe)
287	local $FREEZE = 1;	317	my $freeze_guard = freeze_mainloop;
288		318
289	my $busy = 1;	319	my $busy = 1;
290	my @res;	320	my @res;
291		321
292	(Coro::async {	322	(async {
293	@res = eval { $job->() };	323	@res = eval { $job->() };
294	warn $@ if $@;	324	warn $@ if $@;
295	undef $busy;	325	undef $busy;
296	})->prio (Coro::PRIO_MAX);	326	})->prio (Coro::PRIO_MAX);
297		327
298	while ($busy) {	328	while ($busy) {
299	Coro::cede_notself;	329	Coro::cede or Event::one_event;
300	Event::one_event unless Coro::nready;
301	}	330	}
302		331
303	wantarray ? @res : $res[0]	332	wantarray ? @res : $res[0]
304	} else {	333	} else {
305	# we are in another coroutine, how wonderful, everything just works	334	# we are in another coroutine, how wonderful, everything just works
306		335
307	$job->()	336	$job->()
308	}	337	}
309	}	338	}
310		339
311	=item $coro = cf::coro { BLOCK }	340	=item $coro = cf::async_ext { BLOCK }
312		341
313	Creates and returns a new coro. This coro is automcatially being canceled	342	Like async, but this coro is automatically being canceled when the
314	when the extension calling this is being unloaded.	343	extension calling this is being unloaded.
315		344
316	=cut	345	=cut
317		346
318	sub coro(&) {	347	sub async_ext(&) {
319	my $cb = shift;	348	my $cb = shift;
320		349
321	my $coro = &cf::async ($cb);	350	my $coro = &Coro::async ($cb);
322		351
323	$coro->on_destroy (sub {	352	$coro->on_destroy (sub {
324	delete $EXT_CORO{$coro+0};	353	delete $EXT_CORO{$coro+0};
325	});	354	});
326	$EXT_CORO{$coro+0} = $coro;	355	$EXT_CORO{$coro+0} = $coro;
327		356
328	$coro	357	$coro
329	}	358	}
330		359
331	sub write_runtime {	360	sub write_runtime {
		361	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
		362
332	my $runtime = cf::localdir . "/runtime";	363	my $runtime = cf::localdir . "/runtime";
333		364
334	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	365	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
335	or return;	366	or return;
336		367
		368	my $value = $cf::RUNTIME + 90 + 10;
337	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
338	(aio_write $fh, 0, (length $value), $value, 0) <= 0	372	(aio_write $fh, 0, (length $value), $value, 0) <= 0
339	and return;	373	and return;
340		374
		375	# always fsync - this file is important
341	aio_fsync $fh	376	aio_fsync $fh
342	and return;	377	and return;
343		378
344	close $fh	379	close $fh
345	or return;	380	or return;
…		…
351	}	386	}
352		387
353	=back	388	=back
354		389
355	=cut	390	=cut
356
357	#############################################################################
358
359	package cf::path;
360
361	sub new {
362	my ($class, $path, $base) = @_;
363
364	$path = $path->as_string if ref $path;
365
366	my $self = bless { }, $class;
367
368	# {... are special paths that are not touched
369	# ?xxx/... are special absolute paths
370	# ?random/... random maps
371	# /! non-realised random map exit
372	# /... normal maps
373	# ~/... per-player maps without a specific player (DO NOT USE)
374	# ~user/... per-player map of a specific user
375
376	if ($path =~ /^{/) {
377	# fine as it is
378	} elsif ($path =~ s{^\?random/}{}) {
379	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
380	$self->{random} = cf::from_json $data;
381	} else {
382	if ($path =~ s{^~([^/]+)?}{}) {
383	$self->{user_rel} = 1;
384
385	if (defined $1) {
386	$self->{user} = $1;
387	} elsif ($base =~ m{^~([^/]+)/}) {
388	$self->{user} = $1;
389	} else {
390	warn "cannot resolve user-relative path without user <$path,$base>\n";
391	}
392	} elsif ($path =~ /^\//) {
393	# already absolute
394	} else {
395	$base =~ s{[^/]+/?$}{};
396	return $class->new ("$base/$path");
397	}
398
399	for ($path) {
400	redo if s{/\.?/}{/};
401	redo if s{/[^/]+/\.\./}{/};
402	}
403	}
404
405	$self->{path} = $path;
406
407	$self
408	}
409
410	# the name / primary key / in-game path
411	sub as_string {
412	my ($self) = @_;
413
414	$self->{user_rel} ? "~$self->{user}$self->{path}"
415	: $self->{random} ? "?random/$self->{path}"
416	: $self->{path}
417	}
418
419	# the displayed name, this is a one way mapping
420	sub visible_name {
421	my ($self) = @_;
422
423	# if (my $rmp = $self->{random}) {
424	# # todo: be more intelligent about this
425	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
426	# } else {
427	$self->as_string
428	# }
429	}
430
431	# escape the /'s in the path
432	sub _escaped_path {
433	# ∕ is U+2215
434	(my $path = $_[0]{path}) =~ s/\//∕/g;
435	$path
436	}
437
438	# the original (read-only) location
439	sub load_path {
440	my ($self) = @_;
441
442	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
443	}
444
445	# the temporary/swap location
446	sub save_path {
447	my ($self) = @_;
448
449	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
450	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
451	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
452	}
453
454	# the unique path, might be eq to save_path
455	sub uniq_path {
456	my ($self) = @_;
457
458	$self->{user_rel} || $self->{random}
459	? undef
460	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
461	}
462
463	# return random map parameters, or undef
464	sub random_map_params {
465	my ($self) = @_;
466
467	$self->{random}
468	}
469
470	# this is somewhat ugly, but style maps do need special treatment
471	sub is_style_map {
472	$_[0]{path} =~ m{^/styles/}
473	}
474
475	package cf;
476		391
477	#############################################################################	392	#############################################################################
478		393
479	=head2 ATTACHABLE OBJECTS	394	=head2 ATTACHABLE OBJECTS
480		395
…		…
606	our @CB_TYPE = (); # registry for type (cf-object class) based events	521	our @CB_TYPE = (); # registry for type (cf-object class) based events
607	our @CB_MAP = ();	522	our @CB_MAP = ();
608		523
609	my %attachment;	524	my %attachment;
610		525
		526	sub cf::attachable::thawer_merge {
		527	# simply override everything except _meta
		528	local $_[0]{_meta};
		529	%{$_[0]} = %{$_[1]};
		530	}
		531
611	sub _attach_cb($$$$) {	532	sub _attach_cb($$$$) {
612	my ($registry, $event, $prio, $cb) = @_;	533	my ($registry, $event, $prio, $cb) = @_;
613		534
614	use sort 'stable';	535	use sort 'stable';
615		536
…		…
786	# object support	707	# object support
787		708
788	sub reattach {	709	sub reattach {
789	# basically do the same as instantiate, without calling instantiate	710	# basically do the same as instantiate, without calling instantiate
790	my ($obj) = @_;	711	my ($obj) = @_;
		712
		713	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
791		714
792	my $registry = $obj->registry;	715	my $registry = $obj->registry;
793		716
794	@$registry = ();	717	@$registry = ();
795		718
…		…
842	$filename, length $$rdata, scalar @$objs;	765	$filename, length $$rdata, scalar @$objs;
843		766
844	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	767	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
845	chmod SAVE_MODE, $fh;	768	chmod SAVE_MODE, $fh;
846	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	769	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
847	aio_fsync $fh;	770	aio_fsync $fh if $cf::USE_FSYNC;
848	close $fh;	771	close $fh;
849		772
850	if (@$objs) {	773	if (@$objs) {
851	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) {
852	chmod SAVE_MODE, $fh;	775	chmod SAVE_MODE, $fh;
853	my $data = Storable::nfreeze { version => 1, objs => $objs };	776	my $data = Storable::nfreeze { version => 1, objs => $objs };
854	aio_write $fh, 0, (length $data), $data, 0;	777	aio_write $fh, 0, (length $data), $data, 0;
855	aio_fsync $fh;	778	aio_fsync $fh if $cf::USE_FSYNC;
856	close $fh;	779	close $fh;
857	aio_rename "$filename.pst~", "$filename.pst";	780	aio_rename "$filename.pst~", "$filename.pst";
858	}	781	}
859	} else {	782	} else {
860	aio_unlink "$filename.pst";	783	aio_unlink "$filename.pst";
…		…
866	}	789	}
867	} else {	790	} else {
868	aio_unlink $filename;	791	aio_unlink $filename;
869	aio_unlink "$filename.pst";	792	aio_unlink "$filename.pst";
870	}	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	}
871	}	800	}
872	}	801	}
873		802
874	sub object_freezer_as_string {	803	sub object_freezer_as_string {
875	my ($rdata, $objs) = @_;	804	my ($rdata, $objs) = @_;
…		…
881		810
882	sub object_thawer_load {	811	sub object_thawer_load {
883	my ($filename) = @_;	812	my ($filename) = @_;
884		813
885	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$//;
886		818
887	(aio_load $filename, $data) >= 0	819	(aio_load $filename, $data) >= 0
888	or return;	820	or return;
889		821
890	unless (aio_stat "$filename.pst") {	822	unless (aio_stat "$filename.pst") {
…		…
927	=cut	859	=cut
928		860
929	sub register_extcmd {	861	sub register_extcmd {
930	my ($name, $cb) = @_;	862	my ($name, $cb) = @_;
931		863
932	my $caller = caller;
933	#warn "registering extcmd '$name' to '$caller'";
934
935	$EXTCMD{$name} = [$cb, $caller];	864	$EXTCMD{$name} = $cb;
936	}	865	}
937		866
938	cf::player->attach (	867	cf::player->attach (
939	on_command => sub {	868	on_command => sub {
940	my ($pl, $name, $params) = @_;	869	my ($pl, $name, $params) = @_;
…		…
953		882
954	my $msg = eval { from_json $buf };	883	my $msg = eval { from_json $buf };
955		884
956	if (ref $msg) {	885	if (ref $msg) {
957	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	886	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
958	if (my %reply = $cb->[0]->($pl, $msg)) {	887	if (my %reply = $cb->($pl, $msg)) {
959	$pl->ext_reply ($msg->{msgid}, %reply);	888	$pl->ext_reply ($msg->{msgid}, %reply);
960	}	889	}
961	}	890	}
962	} else {	891	} else {
963	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	892	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
965		894
966	cf::override;	895	cf::override;
967	},	896	},
968	);	897	);
969		898
970	sub register {
971	my ($base, $pkg) = @_;
972
973	#TODO
974	}
975
976	sub load_extension {	899	sub load_extension {
977	my ($path) = @_;	900	my ($path) = @_;
978		901
979	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	902	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
980	my $base = $1;	903	my $base = $1;
981	my $pkg = $1;	904	my $pkg = $1;
982	$pkg =~ s/[^[:word:]]/_/g;	905	$pkg =~ s/[^[:word:]]/_/g;
983	$pkg = "ext::$pkg";	906	$pkg = "ext::$pkg";
984		907
985	warn "loading '$path' into '$pkg'\n";	908	warn "... loading '$path' into '$pkg'\n";
986		909
987	open my $fh, "<:utf8", $path	910	open my $fh, "<:utf8", $path
988	or die "$path: $!";	911	or die "$path: $!";
989		912
990	my $source =	913	my $source =
991	"package $pkg; use strict; use utf8;\n"	914	"package $pkg; use strict; use utf8;\n"
992	. "#line 1 \"$path\"\n{\n"	915	. "#line 1 \"$path\"\n{\n"
993	. (do { local $/; <$fh> })	916	. (do { local $/; <$fh> })
994	. "\n};\n1";	917	. "\n};\n1";
995		918
996	eval $source	919	unless (eval $source) {
997	or die $@ ? "$path: $@\n"	920	my $msg = $@ ? "$path: $@\n"
998	: "extension disabled.\n";	921	: "extension disabled.\n";
999		922	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1000	push @exts, $pkg;	923	warn $@;
1001	$ext_pkg{$base} = $pkg;	924	warn "mandatory extension failed to load, exiting.\n";
1002		925	exit 1;
1003	# no strict 'refs';	926	}
1004	# @{"$pkg\::ISA"} = ext::;	927	die $@;
1005
1006	register $base, $pkg;
1007	}
1008
1009	sub unload_extension {
1010	my ($pkg) = @_;
1011
1012	warn "removing extension $pkg\n";
1013
1014	# remove hooks
1015	#TODO
1016	# for my $idx (0 .. $#PLUGIN_EVENT) {
1017	# delete $hook[$idx]{$pkg};
1018	# }	928	}
1019		929
1020	# remove commands	930	push @EXTS, $pkg;
1021	for my $name (keys %COMMAND) {
1022	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1023
1024	if (@cb) {
1025	$COMMAND{$name} = \@cb;
1026	} else {
1027	delete $COMMAND{$name};
1028	}
1029	}
1030
1031	# remove extcmds
1032	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1033	delete $EXTCMD{$name};
1034	}
1035
1036	if (my $cb = $pkg->can ("unload")) {
1037	eval {
1038	$cb->($pkg);
1039	1
1040	} or warn "$pkg unloaded, but with errors: $@";
1041	}
1042
1043	Symbol::delete_package $pkg;
1044	}	931	}
1045		932
1046	sub load_extensions {	933	sub load_extensions {
1047	for my $ext (<$LIBDIR/*.ext>) {	934	for my $ext (<$LIBDIR/*.ext>) {
1048	next unless -r $ext;	935	next unless -r $ext;
…		…
1052	} or warn "$ext not loaded: $@";	939	} or warn "$ext not loaded: $@";
1053	}	940	}
1054	}	941	}
1055		942
1056	#############################################################################	943	#############################################################################
1057	# load/save/clean perl data associated with a map
1058
1059	*cf::mapsupport::on_clean = sub {
1060	my ($map) = @_;
1061
1062	my $path = $map->tmpname;
1063	defined $path or return;
1064
1065	unlink "$path.pst";
1066	};
1067
1068	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1069
1070	#############################################################################
1071	# load/save perl data associated with player->ob objects
1072
1073	sub all_objects(@) {
1074	@_, map all_objects ($_->inv), @_
1075	}
1076
1077	# TODO: compatibility cruft, remove when no longer needed
1078	cf::player->attach (
1079	on_load => sub {
1080	my ($pl, $path) = @_;
1081
1082	for my $o (all_objects $pl->ob) {
1083	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1084	$o->set_ob_key_value ("_perl_data");
1085
1086	%$o = %{ Storable::thaw pack "H*", $value };
1087	}
1088	}
1089	},
1090	);
1091
1092	#############################################################################
1093		944
1094	=head2 CORE EXTENSIONS	945	=head2 CORE EXTENSIONS
1095		946
1096	Functions and methods that extend core crossfire objects.	947	Functions and methods that extend core crossfire objects.
1097		948
		949	=cut
		950
		951	package cf::player;
		952
		953	use Coro::AIO;
		954
1098	=head3 cf::player	955	=head3 cf::player
1099		956
1100	=over 4	957	=over 4
1101		958
1102	=item cf::player::exists $login	959	=item cf::player::find $login
1103		960
1104	Returns true when the given account exists.	961	Returns the given player object, loading it if necessary (might block).
1105		962
1106	=cut	963	=cut
1107		964
1108	sub cf::player::exists($) {	965	sub playerdir($) {
1109	cf::player::find $_[0]	966	cf::localdir
1110	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
1111	}	1113	}
1112		1114
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1115	=item $player->ext_reply ($msgid, $msgtype, %msg)
1114		1116
1115	Sends an ext reply to the player.	1117	Sends an ext reply to the player.
1116		1118
1117	=cut	1119	=cut
1118		1120
1119	sub cf::player::ext_reply($$$%) {	1121	sub ext_reply($$$%) {
1120	my ($self, $id, %msg) = @_;	1122	my ($self, $id, %msg) = @_;
1121		1123
1122	$msg{msgid} = $id;	1124	$msg{msgid} = $id;
1123		1125
1124	$self->send ("ext " . to_json \%msg);	1126	$self->send ("ext " . cf::to_json \%msg);
1125	}	1127	}
		1128
		1129	package cf;
1126		1130
1127	=back	1131	=back
1128		1132
1129		1133
1130	=head3 cf::map	1134	=head3 cf::map
…		…
1136	package cf::map;	1140	package cf::map;
1137		1141
1138	use Fcntl;	1142	use Fcntl;
1139	use Coro::AIO;	1143	use Coro::AIO;
1140		1144
		1145	use overload
		1146	'""' => \&as_string,
		1147	fallback => 1;
		1148
1141	our $MAX_RESET = 7200;	1149	our $MAX_RESET = 3600;
1142	our $DEFAULT_RESET = 3600;	1150	our $DEFAULT_RESET = 3000;
1143		1151
1144	sub generate_random_map {	1152	sub generate_random_map {
1145	my ($path, $rmp) = @_;	1153	my ($self, $rmp) = @_;
1146
1147	# mit "rum" bekleckern, nicht	1154	# mit "rum" bekleckern, nicht
1148	cf::map::_create_random_map	1155	$self->_create_random_map (
1149	$path,
1150	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1156	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1151	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1157	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1152	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1158	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1153	$rmp->{exit_on_final_map},	1159	$rmp->{exit_on_final_map},
1154	$rmp->{xsize}, $rmp->{ysize},	1160	$rmp->{xsize}, $rmp->{ysize},
1155	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1161	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1156	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1162	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1157	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1163	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1158	$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},
1159	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1165	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1160	(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
1161	}	1297	}
1162		1298
1163	# and all this just because we cannot iterate over	1299	# and all this just because we cannot iterate over
1164	# all maps in C++...	1300	# all maps in C++...
1165	sub change_all_map_light {	1301	sub change_all_map_light {
…		…
1167		1303
1168	$_->change_map_light ($change)	1304	$_->change_map_light ($change)
1169	for grep $_->outdoor, values %cf::MAP;	1305	for grep $_->outdoor, values %cf::MAP;
1170	}	1306	}
1171		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
1172	sub try_load_header($) {	1321	sub load_header_from($) {
1173	my ($path) = @_;	1322	my ($self, $path) = @_;
1174		1323
1175	utf8::encode $path;	1324	utf8::encode $path;
1176	aio_open $path, O_RDONLY, 0	1325	#aio_open $path, O_RDONLY, 0
		1326	# or return;
		1327
		1328	$self->_load_header ($path)
1177	or return;	1329	or return;
1178		1330
1179	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
1180	or return;	1374	or return;
		1375	$self->prepare_orig;
		1376	}
1181		1377
1182	$map->load_header ($path)	1378	1
1183	or return;
1184
1185	$map->{load_path} = $path;
1186
1187	$map
1188	}	1379	}
1189		1380
1190	sub find_map;	1381	sub find;
1191	sub find_map {	1382	sub find {
1192	my ($path, $origin) = @_;	1383	my ($path, $origin) = @_;
1193		1384
1194	#warn "find_map<$path,$origin>\n";#d#
1195
1196	$path = new cf::path $path, $origin && $origin->path;	1385	$path = normalise $path, $origin && $origin->path;
1197	my $key = $path->as_string;
1198		1386
1199	cf::lock_wait "map_find:$key";	1387	cf::lock_wait "map_find:$path";
1200		1388
1201	$cf::MAP{$key} || do {	1389	$cf::MAP{$path} || do {
1202	my $guard = cf::lock_acquire "map_find:$key";	1390	my $guard = cf::lock_acquire "map_find:$path";
1203		1391	my $map = new_from_path cf::map $path
1204	# do it the slow way
1205	my $map = try_load_header $path->save_path;
1206
1207	if ($map) {
1208	$map->last_access ((delete $map->{last_access})
1209	|| $cf::RUNTIME); #d#
1210	# safety
1211	$map->{instantiate_time} = $cf::RUNTIME
1212	if $map->{instantiate_time} > $cf::RUNTIME;
1213	} else {
1214	if (my $rmp = $path->random_map_params) {
1215	$map = generate_random_map $key, $rmp;
1216	} else {
1217	$map = try_load_header $path->load_path;
1218	}
1219
1220	$map or return;	1392	or return;
1221		1393
1222	$map->{load_original} = 1;
1223	$map->{instantiate_time} = $cf::RUNTIME;
1224	$map->last_access ($cf::RUNTIME);
1225	$map->instantiate;
1226
1227	# per-player maps become, after loading, normal maps
1228	$map->per_player (0) if $path->{user_rel};
1229	}
1230
1231	$map->path ($key);
1232	$map->{path} = $path;
1233	$map->{last_save} = $cf::RUNTIME;	1394	$map->{last_save} = $cf::RUNTIME;
1234		1395
1235	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;
1236	$map->reset;	1402	$map->reset;
1237	undef $guard;	1403	undef $guard;
1238	$map = find_map $path	1404	return find $path;
1239	or return;
1240	}	1405	}
1241		1406
1242	$cf::MAP{$key} = $map	1407	$cf::MAP{$path} = $map
1243	}	1408	}
1244	}	1409	}
		1410
		1411	sub pre_load { }
		1412	sub post_load { }
1245		1413
1246	sub load {	1414	sub load {
1247	my ($self) = @_;	1415	my ($self) = @_;
1248		1416
		1417	local $self->{deny_reset} = 1; # loading can take a long time
		1418
1249	my $path = $self->{path};	1419	my $path = $self->{path};
1250	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1420	my $guard = cf::lock_acquire "map_load:$path";
1251		1421
1252	return if $self->in_memory != cf::MAP_SWAPPED;	1422	return if $self->in_memory != cf::MAP_SWAPPED;
1253		1423
1254	$self->in_memory (cf::MAP_LOADING);	1424	$self->in_memory (cf::MAP_LOADING);
1255		1425
1256	$self->alloc;	1426	$self->alloc;
		1427
		1428	$self->pre_load;
		1429
1257	$self->load_objects ($self->{load_path}, 1)	1430	$self->_load_objects ($self->{load_path}, 1)
1258	or return;	1431	or return;
1259		1432
1260	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1433	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1261	if delete $self->{load_original};	1434	if delete $self->{load_original};
1262		1435
1263	if (my $uniq = $path->uniq_path) {	1436	if (my $uniq = $self->uniq_path) {
1264	utf8::encode $uniq;	1437	utf8::encode $uniq;
1265	if (aio_open $uniq, O_RDONLY, 0) {	1438	if (aio_open $uniq, O_RDONLY, 0) {
1266	$self->clear_unique_items;	1439	$self->clear_unique_items;
1267	$self->load_objects ($uniq, 0);	1440	$self->_load_objects ($uniq, 0);
1268	}	1441	}
1269	}	1442	}
		1443
		1444	Coro::cede;
1270		1445
1271	# now do the right thing for maps	1446	# now do the right thing for maps
1272	$self->link_multipart_objects;	1447	$self->link_multipart_objects;
1273		1448
1274	if ($self->{path}->is_style_map) {	1449	unless ($self->{deny_activate}) {
1275	$self->{deny_save} = 1;	1450	$self->decay_objects;
1276	$self->{deny_reset} = 1;
1277	} else {
1278	$self->fix_auto_apply;	1451	$self->fix_auto_apply;
1279	$self->decay_objects;
1280	$self->update_buttons;	1452	$self->update_buttons;
		1453	Coro::cede;
1281	$self->set_darkness_map;	1454	$self->set_darkness_map;
1282	$self->difficulty ($self->estimate_difficulty)	1455	$self->difficulty ($self->estimate_difficulty)
1283	unless $self->difficulty;	1456	unless $self->difficulty;
		1457	Coro::cede;
1284	$self->activate;	1458	$self->activate;
1285	}	1459	}
1286		1460
		1461	$self->post_load;
		1462
1287	$self->in_memory (cf::MAP_IN_MEMORY);	1463	$self->in_memory (cf::MAP_IN_MEMORY);
1288	}	1464	}
1289		1465
1290	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 {
1291	my ($path, $origin) = @_;	1500	my ($path, $origin) = @_;
1292		1501
1293	#warn "load_map_sync<$path, $origin>\n";#d#	1502	cf::sync_job { find $path, $origin }
		1503	}
1294		1504
1295	cf::sync_job {	1505	sub do_load_sync {
1296	my $map = cf::map::find_map $path, $origin	1506	my ($map) = @_;
1297	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;
1298	$map->load;	1529	$map->load;
1299	$map	1530
		1531	delete $MAP_PREFETCH{$path};
		1532	}
		1533	}
		1534	undef $MAP_PREFETCHER;
1300	}	1535	};
		1536	$MAP_PREFETCHER->prio (6);
		1537
		1538	()
1301	}	1539	}
1302		1540
1303	sub save {	1541	sub save {
1304	my ($self) = @_;	1542	my ($self) = @_;
1305		1543
		1544	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1545
1306	$self->{last_save} = $cf::RUNTIME;	1546	$self->{last_save} = $cf::RUNTIME;
1307		1547
1308	return unless $self->dirty;	1548	return unless $self->dirty;
1309		1549
1310	my $save = $self->{path}->save_path; utf8::encode $save;	1550	my $save = $self->save_path; utf8::encode $save;
1311	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1551	my $uniq = $self->uniq_path; utf8::encode $uniq;
1312		1552
1313	$self->{load_path} = $save;	1553	$self->{load_path} = $save;
1314		1554
1315	return if $self->{deny_save};	1555	return if $self->{deny_save};
1316		1556
1317	local $self->{last_access} = $self->last_access;#d#	1557	local $self->{last_access} = $self->last_access;#d#
1318		1558
		1559	cf::async {
		1560	$_->contr->save for $self->players;
		1561	};
		1562
1319	if ($uniq) {	1563	if ($uniq) {
1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1564	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1321	$self->save_objects ($uniq, cf::IO_UNIQUES);	1565	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1322	} else {	1566	} else {
1323	$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);
1324	}	1568	}
1325	}	1569	}
1326		1570
1327	sub swap_out {	1571	sub swap_out {
1328	my ($self) = @_;	1572	my ($self) = @_;
1329		1573
1330	# save first because save cedes	1574	# save first because save cedes
1331	$self->save;	1575	$self->save;
		1576
		1577	my $lock = cf::lock_acquire "map_data:" . $self->path;
1332		1578
1333	return if $self->players;	1579	return if $self->players;
1334	return if $self->in_memory != cf::MAP_IN_MEMORY;	1580	return if $self->in_memory != cf::MAP_IN_MEMORY;
1335	return if $self->{deny_save};	1581	return if $self->{deny_save};
1336		1582
…		…
1340		1586
1341	sub reset_at {	1587	sub reset_at {
1342	my ($self) = @_;	1588	my ($self) = @_;
1343		1589
1344	# TODO: safety, remove and allow resettable per-player maps	1590	# TODO: safety, remove and allow resettable per-player maps
1345	return 1e99 if $self->{path}{user_rel};	1591	return 1e99 if $self->isa ("ext::map_per_player");#d#
1346	return 1e99 if $self->{deny_reset};	1592	return 1e99 if $self->{deny_reset};
1347		1593
1348	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1594	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1349	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;
1350		1596
…		…
1355	my ($self) = @_;	1601	my ($self) = @_;
1356		1602
1357	$self->reset_at <= $cf::RUNTIME	1603	$self->reset_at <= $cf::RUNTIME
1358	}	1604	}
1359		1605
1360	sub unlink_save {
1361	my ($self) = @_;
1362
1363	utf8::encode (my $save = $self->{path}->save_path);
1364	aioreq_pri 3; IO::AIO::aio_unlink $save;
1365	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1366	}
1367
1368	sub rename {
1369	my ($self, $new_path) = @_;
1370
1371	$self->unlink_save;
1372
1373	delete $cf::MAP{$self->path};
1374	$self->{path} = new cf::path $new_path;
1375	$self->path ($self->{path}->as_string);
1376	$cf::MAP{$self->path} = $self;
1377
1378	$self->save;
1379	}
1380
1381	sub reset {	1606	sub reset {
1382	my ($self) = @_;	1607	my ($self) = @_;
1383		1608
		1609	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1610
1384	return if $self->players;	1611	return if $self->players;
1385	return if $self->{path}{user_rel};#d#	1612	return if $self->isa ("ext::map_per_player");#d#
1386		1613
1387	warn "resetting map ", $self->path;#d#	1614	warn "resetting map ", $self->path;#d#
1388		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
1389	delete $cf::MAP{$self->path};	1626	delete $cf::MAP{$self->path};
		1627
		1628	$self->clear;
1390		1629
1391	$_->clear_links_to ($self) for values %cf::MAP;	1630	$_->clear_links_to ($self) for values %cf::MAP;
1392		1631
1393	$self->unlink_save;	1632	$self->unlink_save;
1394	$self->destroy;	1633	$self->destroy;
…		…
1397	my $nuke_counter = "aaaa";	1636	my $nuke_counter = "aaaa";
1398		1637
1399	sub nuke {	1638	sub nuke {
1400	my ($self) = @_;	1639	my ($self) = @_;
1401		1640
		1641	delete $cf::MAP{$self->path};
		1642
		1643	$self->unlink_save;
		1644
		1645	bless $self, "cf::map";
		1646	delete $self->{deny_reset};
1402	$self->{deny_save} = 1;	1647	$self->{deny_save} = 1;
1403	$self->reset_timeout (1);	1648	$self->reset_timeout (1);
1404	$self->rename ("{nuke}/" . ($nuke_counter++));	1649	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1650
		1651	$cf::MAP{$self->path} = $self;
		1652
1405	$self->reset; # polite request, might not happen	1653	$self->reset; # polite request, might not happen
1406	}	1654	}
1407		1655
1408	sub customise_for {	1656	=item cf::map::unique_maps
1409	my ($map, $ob) = @_;
1410		1657
1411	if ($map->per_player) {	1658	Returns an arrayref of paths of all shared maps that have
1412	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1659	instantiated unique items. May block.
1413	}
1414		1660
1415	$map	1661	=cut
1416	}
1417		1662
1418	sub emergency_save {	1663	sub unique_maps() {
1419	local $cf::FREEZE = 1;	1664	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1665	or return;
1420		1666
1421	warn "enter emergency map save\n";	1667	my @paths;
1422		1668
1423	cf::sync_job {	1669	for (@$files) {
1424	warn "begin emergency map save\n";	1670	utf8::decode $_;
1425	$_->save for values %cf::MAP;	1671	next if /\.pst$/;
		1672	next unless /^$PATH_SEP/o;
		1673
		1674	push @paths, cf::map::normalise $_;
1426	};	1675	}
1427		1676
1428	warn "end emergency map save\n";	1677	\@paths
1429	}	1678	}
1430		1679
1431	package cf;	1680	package cf;
1432		1681
1433	=back	1682	=back
1434		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
1435		1710
1436	=head3 cf::object::player	1711	=head3 cf::object::player
1437		1712
1438	=over 4	1713	=over 4
1439		1714
…		…
1479		1754
1480	=item $player_object->enter_link	1755	=item $player_object->enter_link
1481		1756
1482	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}>).
1483		1758
1484	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
1485	I<MUST> call C<leave_link> as soon as possible, though.	1760	I<MUST> call C<leave_link> as soon as possible, though.
1486		1761
		1762	Will never block.
		1763
1487	=item $player_object->leave_link ($map, $x, $y)	1764	=item $player_object->leave_link ($map, $x, $y)
1488		1765
1489	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
1490	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
1491	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
1492	to the emergency map position.	1769	fails, to the emergency map position.
1493		1770
1494	Might block.	1771	Might block.
1495		1772
1496	=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	}
1497		1784
1498	sub cf::object::player::enter_link {	1785	sub cf::object::player::enter_link {
1499	my ($self) = @_;	1786	my ($self) = @_;
1500		1787
1501	$self->deactivate_recursive;	1788	$self->deactivate_recursive;
1502		1789
1503	return if $self->map == $LINK_MAP;	1790	return if UNIVERSAL::isa $self->map, "ext::map_link";
1504		1791
1505	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1792	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1506	if $self->map;	1793	if $self->map;
1507		1794
1508	$self->enter_map ($LINK_MAP, 20, 20);	1795	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1509	}	1796	}
1510		1797
1511	sub cf::object::player::leave_link {	1798	sub cf::object::player::leave_link {
1512	my ($self, $map, $x, $y) = @_;	1799	my ($self, $map, $x, $y) = @_;
1513		1800
1514	my $link_pos = delete $self->{_link_pos};	1801	my $link_pos = delete $self->{_link_pos};
1515		1802
1516	unless ($map) {	1803	unless ($map) {
1517	# restore original map position	1804	# restore original map position
1518	($map, $x, $y) = @{ $link_pos || [] };	1805	($map, $x, $y) = @{ $link_pos || [] };
1519	$map = cf::map::find_map $map;	1806	$map = cf::map::find $map;
1520		1807
1521	unless ($map) {	1808	unless ($map) {
1522	($map, $x, $y) = @$EMERGENCY_POSITION;	1809	($map, $x, $y) = @$EMERGENCY_POSITION;
1523	$map = cf::map::find_map $map	1810	$map = cf::map::find $map
1524	or die "FATAL: cannot load emergency map\n";	1811	or die "FATAL: cannot load emergency map\n";
1525	}	1812	}
1526	}	1813	}
1527		1814
1528	($x, $y) = (-1, -1)	1815	($x, $y) = (-1, -1)
…		…
1531	# use -1 or undef as default coordinates, not 0, 0	1818	# use -1 or undef as default coordinates, not 0, 0
1532	($x, $y) = ($map->enter_x, $map->enter_y)	1819	($x, $y) = ($map->enter_x, $map->enter_y)
1533	if $x <=0 && $y <= 0;	1820	if $x <=0 && $y <= 0;
1534		1821
1535	$map->load;	1822	$map->load;
		1823	$map->load_diag;
1536		1824
		1825	return unless $self->contr->active;
1537	$self->activate_recursive;	1826	$self->activate_recursive;
1538	$self->enter_map ($map, $x, $y);	1827	$self->enter_map ($map, $x, $y);
1539	}	1828	}
1540		1829
1541	cf::player->attach (	1830	cf::player->attach (
…		…
1554		1843
1555	# try to abort aborted map switching on player login :)	1844	# try to abort aborted map switching on player login :)
1556	# should happen only on crashes	1845	# should happen only on crashes
1557	if ($pl->ob->{_link_pos}) {	1846	if ($pl->ob->{_link_pos}) {
1558	$pl->ob->enter_link;	1847	$pl->ob->enter_link;
1559	cf::async {	1848	(async {
1560	# 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
1561	# 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);
1562	Coro::Timer::sleep 1;	1855	Coro::Timer::sleep 1;
1563	$pl->ob->leave_link;	1856	$pl->ob->leave_link;
1564	};	1857	})->prio (2);
1565	}	1858	}
1566	},	1859	},
1567	);	1860	);
1568		1861
1569	=item $player_object->goto_map ($path, $x, $y)	1862	=item $player_object->goto ($path, $x, $y)
1570		1863
1571	=cut	1864	=cut
1572		1865
1573	sub cf::object::player::goto_map {	1866	sub cf::object::player::goto {
1574	my ($self, $path, $x, $y) = @_;	1867	my ($self, $path, $x, $y) = @_;
1575		1868
1576	$self->enter_link;	1869	$self->enter_link;
1577		1870
1578	(cf::async {	1871	(async {
1579	$path = new cf::path $path;	1872	my $map = eval {
1580
1581	my $map = cf::map::find_map $path->as_string;	1873	my $map = cf::map::find $path;
1582	$map = $map->customise_for ($self) if $map;	1874	$map = $map->customise_for ($self) if $map;
1583		1875	$map
1584	# warn "entering ", $map->path, " at ($x, $y)\n"	1876	} or
1585	# if $map;
1586
1587	$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);
1588		1878
1589	$self->leave_link ($map, $x, $y);	1879	$self->leave_link ($map, $x, $y);
1590	})->prio (1);	1880	})->prio (1);
1591	}	1881	}
1592		1882
…		…
1596		1886
1597	sub parse_random_map_params {	1887	sub parse_random_map_params {
1598	my ($spec) = @_;	1888	my ($spec) = @_;
1599		1889
1600	my $rmp = { # defaults	1890	my $rmp = { # defaults
1601	xsize => 10,	1891	xsize => (cf::rndm 15, 40),
1602	ysize => 10,	1892	ysize => (cf::rndm 15, 40),
		1893	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1894	#layout => string,
1603	};	1895	};
1604		1896
1605	for (split /\n/, $spec) {	1897	for (split /\n/, $spec) {
1606	my ($k, $v) = split /\s+/, $_, 2;	1898	my ($k, $v) = split /\s+/, $_, 2;
1607		1899
…		…
1611	$rmp	1903	$rmp
1612	}	1904	}
1613		1905
1614	sub prepare_random_map {	1906	sub prepare_random_map {
1615	my ($exit) = @_;	1907	my ($exit) = @_;
		1908
		1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1616		1910
1617	# all this does is basically replace the /! path by	1911	# all this does is basically replace the /! path by
1618	# a new random map path (?random/...) with a seed	1912	# a new random map path (?random/...) with a seed
1619	# that depends on the exit object	1913	# that depends on the exit object
1620		1914
1621	my $rmp = parse_random_map_params $exit->msg;	1915	my $rmp = parse_random_map_params $exit->msg;
1622		1916
1623	if ($exit->map) {	1917	if ($exit->map) {
1624	$rmp->{region} = $exit->map->region_name;	1918	$rmp->{region} = $exit->region->name;
1625	$rmp->{origin_map} = $exit->map->path;	1919	$rmp->{origin_map} = $exit->map->path;
1626	$rmp->{origin_x} = $exit->x;	1920	$rmp->{origin_x} = $exit->x;
1627	$rmp->{origin_y} = $exit->y;	1921	$rmp->{origin_y} = $exit->y;
1628	}	1922	}
1629		1923
1630	$rmp->{random_seed} ||= $exit->random_seed;	1924	$rmp->{random_seed} ||= $exit->random_seed;
1631		1925
1632	my $data = cf::to_json $rmp;	1926	my $data = cf::to_json $rmp;
1633	my $md5 = Digest::MD5::md5_hex $data;	1927	my $md5 = Digest::MD5::md5_hex $data;
		1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1634		1929
1635	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) {
1636	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;
1637		1934
1638	$exit->slaying ("?random/$md5");	1935	$exit->slaying ("?random/$md5");
1639	$exit->msg (undef);	1936	$exit->msg (undef);
1640	}	1937	}
1641	}	1938	}
…		…
1643	sub cf::object::player::enter_exit {	1940	sub cf::object::player::enter_exit {
1644	my ($self, $exit) = @_;	1941	my ($self, $exit) = @_;
1645		1942
1646	return unless $self->type == cf::PLAYER;	1943	return unless $self->type == cf::PLAYER;
1647		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
1648	$self->enter_link;	1954	$self->enter_link;
1649		1955
1650	(cf::async {	1956	(async {
		1957	$self->deactivate_recursive; # just to be sure
1651	unless (eval {	1958	unless (eval {
1652	prepare_random_map $exit	1959	$self->goto ($slaying, $hp, $sp);
1653	if $exit->slaying eq "/!";
1654
1655	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1656	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1657		1960
1658	1;	1961	1;
1659	}) {	1962	}) {
1660	$self->message ("Something went wrong deep within the crossfire server. "	1963	$self->message ("Something went wrong deep within the crossfire server. "
1661	. "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. "
1662	. "Please report this to the dungeon master",	1965	. "Please report this to the dungeon master!",
1663	cf::NDI_UNIQUE | cf::NDI_RED);	1966	cf::NDI_UNIQUE | cf::NDI_RED);
1664		1967
1665	warn "ERROR in enter_exit: $@";	1968	warn "ERROR in enter_exit: $@";
1666	$self->leave_link;	1969	$self->leave_link;
1667	}	1970	}
…		…
1722	# get handled first	2025	# get handled first
1723	my $queue = delete $ns->{query_queue}	2026	my $queue = delete $ns->{query_queue}
1724	or return; # be conservative, not sure how that can happen, but we saw a crash here	2027	or return; # be conservative, not sure how that can happen, but we saw a crash here
1725		2028
1726	(shift @$queue)->[1]->($msg);	2029	(shift @$queue)->[1]->($msg);
		2030	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1727		2031
1728	push @{ $ns->{query_queue} }, @$queue;	2032	push @{ $ns->{query_queue} }, @$queue;
1729		2033
1730	if (@{ $ns->{query_queue} } == @$queue) {	2034	if (@{ $ns->{query_queue} } == @$queue) {
1731	if (@$queue) {	2035	if (@$queue) {
…		…
1735	}	2039	}
1736	}	2040	}
1737	},	2041	},
1738	);	2042	);
1739		2043
1740	=item $client->coro (\&cb)	2044	=item $client->async (\&cb)
1741		2045
1742	Create a new coroutine, running the specified callback. The coroutine will	2046	Create a new coroutine, running the specified callback. The coroutine will
1743	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,
1744	or loss of connection).	2048	or loss of connection).
1745		2049
1746	=cut	2050	=cut
1747		2051
1748	sub cf::client::coro {	2052	sub cf::client::async {
1749	my ($self, $cb) = @_;	2053	my ($self, $cb) = @_;
1750		2054
1751	my $coro = &cf::async ($cb);	2055	my $coro = &Coro::async ($cb);
1752		2056
1753	$coro->on_destroy (sub {	2057	$coro->on_destroy (sub {
1754	delete $self->{_coro}{$coro+0};	2058	delete $self->{_coro}{$coro+0};
1755	});	2059	});
1756		2060
…		…
1892	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
1893	using it, it should be unique.	2197	using it, it should be unique.
1894		2198
1895	=over 4	2199	=over 4
1896		2200
1897	=item $hashref = cf::db_get $family
1898
1899	Return a hashref for use by the extension C<$family>, which can be
1900	modified. After modifications, you have to call C<cf::db_dirty> or
1901	C<cf::db_sync>.
1902
1903	=item $value = cf::db_get $family => $key	2201	=item $value = cf::db_get $family => $key
1904		2202
1905	Returns a single value from the database	2203	Returns a single value from the database.
1906
1907	=item cf::db_put $family => $hashref
1908
1909	Stores the given family hashref into the database. Updates are delayed, if
1910	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1911		2204
1912	=item cf::db_put $family => $key => $value	2205	=item cf::db_put $family => $key => $value
1913		2206
1914	Stores the given C<$value> in the family hash. Updates are delayed, if you	2207	Stores the given C<$value> in the family.
1915	want the data to be synced to disk immediately, use C<cf::db_sync>.
1916
1917	=item cf::db_dirty
1918
1919	Marks the database as dirty, to be updated at a later time.
1920
1921	=item cf::db_sync
1922
1923	Immediately write the database to disk I<if it is dirty>.
1924		2208
1925	=cut	2209	=cut
1926		2210
1927	our $DB;	2211	our $DB;
1928		2212
1929	{	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
1930	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;
1931		2232
1932	sub db_load() {	2233	cf::db_put (board => data => $pst->{board});
1933	$DB = stat $path ? Storable::retrieve $path : { };	2234	cf::db_put (guildrules => data => $pst->{guildrules});
1934	}	2235	cf::db_put (rent => balance => $pst->{rent}{balance});
		2236	BDB::db_env_txn_checkpoint $DB_ENV;
1935		2237
1936	my $pid;	2238	unlink $path;
1937
1938	sub db_save() {
1939	waitpid $pid, 0 if $pid;
1940	if (0 == ($pid = fork)) {
1941	$DB->{_meta}{version} = 1;
1942	Storable::nstore $DB, "$path~";
1943	rename "$path~", $path;
1944	cf::_exit 0 if defined $pid;
1945	}	2239	};
1946	}
1947
1948	my $dirty;
1949
1950	sub db_sync() {
1951	db_save if $dirty;
1952	undef $dirty;
1953	}
1954
1955	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1956	db_sync;
1957	});
1958
1959	sub db_dirty() {
1960	$dirty = 1;
1961	$idle->start;
1962	}
1963
1964	sub db_get($;$) {
1965	@_ >= 2
1966	? $DB->{$_[0]}{$_[1]}
1967	: ($DB->{$_[0]} ||= { })
1968	}
1969
1970	sub db_put($$;$) {
1971	if (@_ >= 3) {
1972	$DB->{$_[0]}{$_[1]} = $_[2];
1973	} else {
1974	$DB->{$_[0]} = $_[1];
1975	}
1976	db_dirty;
1977	}
1978
1979	cf::global->attach (
1980	prio => 10000,
1981	on_cleanup => sub {
1982	db_sync;
1983	},	2240	}
1984	);	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 { };
1985	}	2258	}
1986		2259
1987	#############################################################################	2260	#############################################################################
1988	# 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	}
1989		2267
1990	sub cfg_load {	2268	sub cfg_load {
1991	open my $fh, "<:utf8", cf::confdir . "/config"	2269	open my $fh, "<:utf8", cf::confdir . "/config"
1992	or return;	2270	or return;
1993		2271
1994	local $/;	2272	local $/;
1995	*CFG = YAML::Syck::Load <$fh>;	2273	*CFG = YAML::Syck::Load <$fh>;
1996		2274
1997	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2275	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1998		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
1999	if (exists $CFG{mlockall}) {	2280	if (exists $CFG{mlockall}) {
2000	eval {	2281	eval {
2001	$CFG{mlockall} ? &mlockall : &munlockall	2282	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2002	and die "WARNING: m(un)lockall failed: $!\n";	2283	and die "WARNING: m(un)lockall failed: $!\n";
2003	};	2284	};
2004	warn $@ if $@;	2285	warn $@ if $@;
2005	}	2286	}
		2287	}
		2288
		2289	sub init {
		2290	load_resources;
2006	}	2291	}
2007		2292
2008	sub main {	2293	sub main {
2009	# we must not ever block the main coroutine	2294	# we must not ever block the main coroutine
2010	local $Coro::idle = sub {	2295	local $Coro::idle = sub {
2011	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#
2012	(Coro::unblock_sub {	2297	(async {
2013	Event::one_event;	2298	Event::one_event;
2014	})->();	2299	})->prio (Coro::PRIO_MAX);
2015	};	2300	};
2016		2301
2017	cfg_load;	2302	cfg_load;
2018	db_load;	2303	db_init;
2019	load_extensions;	2304	load_extensions;
		2305
		2306	$TICK_WATCHER->start;
2020	Event::loop;	2307	Event::loop;
2021	}	2308	}
2022		2309
2023	#############################################################################	2310	#############################################################################
2024	# 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 $make_core;
		2366	}
2025		2367
2026	sub reload() {	2368	sub reload() {
2027	# can/must only be called in main	2369	# can/must only be called in main
2028	if ($Coro::current != $Coro::main) {	2370	if ($Coro::current != $Coro::main) {
2029	warn "can only reload from main coroutine\n";	2371	warn "can only reload from main coroutine";
2030	return;	2372	return;
2031	}	2373	}
2032		2374
2033	warn "reloading...";	2375	warn "reloading...";
2034		2376
2035	local $FREEZE = 1;	2377	warn "cancelling server ticker";
		2378	$TICK_WATCHER->cancel;
		2379
2036	cf::emergency_save;	2380	cf::emergency_save;
2037		2381
2038	eval {	2382	eval {
2039	# 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
2040		2384
2041	# cancel all watchers	2385	warn "cancelling all WF_AUTOCANCEL watchers";
2042	for (Event::all_watchers) {	2386	for (Event::all_watchers) {
2043	$_->cancel if $_->data & WF_AUTOCANCEL;	2387	$_->cancel if $_->data & WF_AUTOCANCEL;
2044	}	2388	}
2045		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
2046	# cancel all extension coros	2402	warn "cancelling all extension coros";
2047	$_->cancel for values %EXT_CORO;	2403	$_->cancel for values %EXT_CORO;
2048	%EXT_CORO = ();	2404	%EXT_CORO = ();
2049		2405
2050	# unload all extensions	2406	warn "removing commands";
2051	for (@exts) {	2407	%COMMAND = ();
		2408
		2409	warn "removing ext commands";
		2410	%EXTCMD = ();
		2411
		2412	warn "unloading/nuking all extensions";
		2413	for my $pkg (@EXTS) {
2052	warn "unloading <$_>";	2414	warn "... unloading $pkg";
2053	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: $@";
2054	}	2421	}
2055		2422
		2423	warn "... nuking $pkg";
		2424	Symbol::delete_package $pkg;
		2425	}
		2426
2056	# unload all modules loaded from $LIBDIR	2427	warn "unloading all perl modules loaded from $LIBDIR";
2057	while (my ($k, $v) = each %INC) {	2428	while (my ($k, $v) = each %INC) {
2058	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2429	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2059		2430
2060	warn "removing <$k>";	2431	warn "... unloading $k";
2061	delete $INC{$k};	2432	delete $INC{$k};
2062		2433
2063	$k =~ s/\.pm$//;	2434	$k =~ s/\.pm$//;
2064	$k =~ s/\//::/g;	2435	$k =~ s/\//::/g;
2065		2436
…		…
2068	}	2439	}
2069		2440
2070	Symbol::delete_package $k;	2441	Symbol::delete_package $k;
2071	}	2442	}
2072		2443
2073	# sync database to disk
2074	cf::db_sync;
2075	IO::AIO::flush;
2076
2077	# get rid of safe::, as good as possible	2444	warn "getting rid of safe::, as good as possible";
2078	Symbol::delete_package "safe::$_"	2445	Symbol::delete_package "safe::$_"
2079	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);
2080		2447
2081	# remove register_script_function callbacks
2082	# TODO
2083
2084	# unload cf.pm "a bit"	2448	warn "unloading cf.pm \"a bit\"";
2085	delete $INC{"cf.pm"};	2449	delete $INC{"cf.pm"};
2086		2450
2087	# don't, removes xs symbols, too,	2451	# don't, removes xs symbols, too,
2088	# and global variables created in xs	2452	# and global variables created in xs
2089	#Symbol::delete_package __PACKAGE__;	2453	#Symbol::delete_package __PACKAGE__;
2090		2454
2091	# reload cf.pm	2455	warn "unload completed, starting to reload now";
		2456
2092	warn "reloading cf.pm";	2457	warn "reloading cf.pm";
2093	require cf;	2458	require cf;
2094	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2095		2460
2096	# load config and database again	2461	warn "loading config and database again";
2097	cf::cfg_load;	2462	cf::cfg_load;
2098	cf::db_load;
2099		2463
2100	# load extensions
2101	warn "load extensions";	2464	warn "loading extensions";
2102	cf::load_extensions;	2465	cf::load_extensions;
2103		2466
2104	# reattach attachments to objects	2467	warn "reattaching attachments to objects/players";
2105	warn "reattach";
2106	_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	$TICK_WATCHER->start;
2107	};	2478	};
2108		2479
2109	if ($@) {	2480	if ($@) {
2110	warn $@;	2481	warn $@;
2111	warn "error while reloading, exiting.";	2482	warn "error while reloading, exiting.";
2112	exit 1;	2483	exit 1;
2113	}	2484	}
2114		2485
2115	warn "reloaded successfully";	2486	warn "reloaded";
2116	};	2487	};
2117		2488
2118	#############################################################################	2489	our $RELOAD_WATCHER; # used only during reload
2119
2120	unless ($LINK_MAP) {
2121	$LINK_MAP = cf::map::new;
2122
2123	$LINK_MAP->width (41);
2124	$LINK_MAP->height (41);
2125	$LINK_MAP->alloc;
2126	$LINK_MAP->path ("{link}");
2127	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2128	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2129
2130	# dirty hack because... archetypes are not yet loaded
2131	Event->timer (
2132	after => 2,
2133	cb => sub {
2134	$_[0]->w->cancel;
2135
2136	# provide some exits "home"
2137	my $exit = cf::object::new "exit";
2138
2139	$exit->slaying ($EMERGENCY_POSITION->[0]);
2140	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2141	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2142
2143	$LINK_MAP->insert ($exit->clone, 19, 19);
2144	$LINK_MAP->insert ($exit->clone, 19, 20);
2145	$LINK_MAP->insert ($exit->clone, 19, 21);
2146	$LINK_MAP->insert ($exit->clone, 20, 19);
2147	$LINK_MAP->insert ($exit->clone, 20, 21);
2148	$LINK_MAP->insert ($exit->clone, 21, 19);
2149	$LINK_MAP->insert ($exit->clone, 21, 20);
2150	$LINK_MAP->insert ($exit->clone, 21, 21);
2151
2152	$exit->destroy;
2153	});
2154
2155	$LINK_MAP->{deny_save} = 1;
2156	$LINK_MAP->{deny_reset} = 1;
2157
2158	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2159	}
2160
2161	register "<global>", __PACKAGE__;
2162		2490
2163	register_command "reload" => sub {	2491	register_command "reload" => sub {
2164	my ($who, $arg) = @_;	2492	my ($who, $arg) = @_;
2165		2493
2166	if ($who->flag (FLAG_WIZ)) {	2494	if ($who->flag (FLAG_WIZ)) {
2167	$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 {
2168	reload;	2505	reload;
2169	$who->message ("end of reload.");	2506	undef $RELOAD_WATCHER;
		2507	},
		2508	);
2170	}	2509	}
2171	};	2510	};
2172		2511
2173	unshift @INC, $LIBDIR;	2512	unshift @INC, $LIBDIR;
		2513
		2514	my $bug_warning = 0;
2174		2515
2175	$TICK_WATCHER = Event->timer (	2516	$TICK_WATCHER = Event->timer (
2176	reentrant => 0,	2517	reentrant => 0,
		2518	parked => 1,
2177	prio => 0,	2519	prio => 0,
2178	at => $NEXT_TICK || $TICK,	2520	at => $NEXT_TICK || $TICK,
2179	data => WF_AUTOCANCEL,	2521	data => WF_AUTOCANCEL,
2180	cb => sub {	2522	cb => sub {
2181	unless ($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
2182	cf::server_tick; # one server iteration	2531	cf::server_tick; # one server iteration
2183	$RUNTIME += $TICK;	2532	$RUNTIME += $TICK;
2184	}
2185
2186	$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#
2187		2543
2188	# 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
2189	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2545	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2190		2546
2191	$TICK_WATCHER->at ($NEXT_TICK);	2547	$TICK_WATCHER->at ($NEXT_TICK);
2192	$TICK_WATCHER->start;	2548	$TICK_WATCHER->start;
2193	},	2549	},
2194	);	2550	);
2195		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;
2196	IO::AIO::max_poll_time $TICK * 0.2;	2606	IO::AIO::max_poll_time $TICK * 0.1;
2197		2607	$AIO_POLL_WATCHER = Event->io (
2198	Event->io (	2608	reentrant => 0,
2199	fd => IO::AIO::poll_fileno,	2609	fd => IO::AIO::poll_fileno,
2200	poll => 'r',	2610	poll => 'r',
2201	prio => 5,	2611	prio => 6,
2202	data => WF_AUTOCANCEL,	2612	data => WF_AUTOCANCEL,
2203	cb => \&IO::AIO::poll_cb,	2613	cb => \&IO::AIO::poll_cb,
2204	);	2614	);
		2615	}
2205		2616
2206	Event->timer (	2617	$WRITE_RUNTIME_WATCHER = Event->timer (
		2618	reentrant => 0,
2207	data => WF_AUTOCANCEL,	2619	data => WF_AUTOCANCEL,
2208	after => 0,	2620	after => 1,
2209	interval => 10,	2621	interval => 10,
2210	cb => sub {	2622	prio => 6, # keep it lowest so it acts like a watchdog
2211	(Coro::unblock_sub {	2623	cb => Coro::unblock_sub {
2212	write_runtime	2624	write_runtime
2213	or warn "ERROR: unable to write runtime file: $!";	2625	or warn "ERROR: unable to write runtime file: $!";
2214	})->();
2215	},	2626	},
2216	);	2627	);
2217		2628
2218	END { cf::emergency_save }	2629	END { cf::emergency_save }
2219		2630

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