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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.131 by root, Thu Jan 4 00:53:54 2007 UTC vs.
Revision 1.214 by root, Wed Feb 14 00:40:05 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 $NEXT_RUNTIME_WRITE; # when should the runtime file be written
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	};
		279	$TICK_WATCHER->stop;
		280	$guard
		281	}
		282
249	=item cf::async { BLOCK }	283	=item cf::async { BLOCK }
250		284
251	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	285	Currently the same as Coro::async_pool, meaning you cannot use
252	error instead of exiting the server in case of a problem.	286	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		287	thing you are allowed to do is call C<prio> on it.
253		288
254	=cut	289	=cut
255		290
256	sub async(&) {	291	BEGIN { *async = \&Coro::async_pool }
257	my ($cb) = @_;
258
259	Coro::async {
260	eval { $cb->() };
261	warn $@ if $@;
262	}
263	}
264		292
265	=item cf::sync_job { BLOCK }	293	=item cf::sync_job { BLOCK }
266		294
267	The design of crossfire+ requires that the main coro ($Coro::main) is	295	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	296	always able to handle events or runnable, as crossfire+ is only partly
…		…
282	# this is the main coro, too bad, we have to block	310	# this is the main coro, too bad, we have to block
283	# till the operation succeeds, freezing the server :/	311	# till the operation succeeds, freezing the server :/
284		312
285	# TODO: use suspend/resume instead	313	# TODO: use suspend/resume instead
286	# (but this is cancel-safe)	314	# (but this is cancel-safe)
287	local $FREEZE = 1;	315	my $freeze_guard = freeze_mainloop;
288		316
289	my $busy = 1;	317	my $busy = 1;
290	my @res;	318	my @res;
291		319
292	(Coro::async {	320	(async {
293	@res = eval { $job->() };	321	@res = eval { $job->() };
294	warn $@ if $@;	322	warn $@ if $@;
295	undef $busy;	323	undef $busy;
296	})->prio (Coro::PRIO_MAX);	324	})->prio (Coro::PRIO_MAX);
297		325
298	while ($busy) {	326	while ($busy) {
299	Coro::cede_notself;	327	Coro::cede or Event::one_event;
300	Event::one_event unless Coro::nready;
301	}	328	}
302		329
303	wantarray ? @res : $res[0]	330	wantarray ? @res : $res[0]
304	} else {	331	} else {
305	# we are in another coroutine, how wonderful, everything just works	332	# we are in another coroutine, how wonderful, everything just works
306		333
307	$job->()	334	$job->()
308	}	335	}
309	}	336	}
310		337
311	=item $coro = cf::coro { BLOCK }	338	=item $coro = cf::async_ext { BLOCK }
312		339
313	Creates and returns a new coro. This coro is automcatially being canceled	340	Like async, but this coro is automatically being canceled when the
314	when the extension calling this is being unloaded.	341	extension calling this is being unloaded.
315		342
316	=cut	343	=cut
317		344
318	sub coro(&) {	345	sub async_ext(&) {
319	my $cb = shift;	346	my $cb = shift;
320		347
321	my $coro = &cf::async ($cb);	348	my $coro = &Coro::async ($cb);
322		349
323	$coro->on_destroy (sub {	350	$coro->on_destroy (sub {
324	delete $EXT_CORO{$coro+0};	351	delete $EXT_CORO{$coro+0};
325	});	352	});
326	$EXT_CORO{$coro+0} = $coro;	353	$EXT_CORO{$coro+0} = $coro;
…		…
332	my $runtime = cf::localdir . "/runtime";	359	my $runtime = cf::localdir . "/runtime";
333		360
334	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
335	or return;	362	or return;
336		363
		364	my $value = $cf::RUNTIME + 90 + 10;
337	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	365	# 10 is the runtime save interval, for a monotonic clock
		366	# 60 allows for the watchdog to kill the server.
		367
338	(aio_write $fh, 0, (length $value), $value, 0) <= 0	368	(aio_write $fh, 0, (length $value), $value, 0) <= 0
339	and return;	369	and return;
340		370
		371	# always fsync - this file is important
341	aio_fsync $fh	372	aio_fsync $fh
342	and return;	373	and return;
343		374
344	close $fh	375	close $fh
345	or return;	376	or return;
…		…
351	}	382	}
352		383
353	=back	384	=back
354		385
355	=cut	386	=cut
356
357	#############################################################################
358
359	package cf::path;
360
361	sub new {
362	my ($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		387
477	#############################################################################	388	#############################################################################
478		389
479	=head2 ATTACHABLE OBJECTS	390	=head2 ATTACHABLE OBJECTS
480		391
…		…
606	our @CB_TYPE = (); # registry for type (cf-object class) based events	517	our @CB_TYPE = (); # registry for type (cf-object class) based events
607	our @CB_MAP = ();	518	our @CB_MAP = ();
608		519
609	my %attachment;	520	my %attachment;
610		521
		522	sub cf::attachable::thawer_merge {
		523	# simply override everything except _meta
		524	local $_[0]{_meta};
		525	%{$_[0]} = %{$_[1]};
		526	}
		527
611	sub _attach_cb($$$$) {	528	sub _attach_cb($$$$) {
612	my ($registry, $event, $prio, $cb) = @_;	529	my ($registry, $event, $prio, $cb) = @_;
613		530
614	use sort 'stable';	531	use sort 'stable';
615		532
…		…
786	# object support	703	# object support
787		704
788	sub reattach {	705	sub reattach {
789	# basically do the same as instantiate, without calling instantiate	706	# basically do the same as instantiate, without calling instantiate
790	my ($obj) = @_;	707	my ($obj) = @_;
		708
		709	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
791		710
792	my $registry = $obj->registry;	711	my $registry = $obj->registry;
793		712
794	@$registry = ();	713	@$registry = ();
795		714
…		…
842	$filename, length $$rdata, scalar @$objs;	761	$filename, length $$rdata, scalar @$objs;
843		762
844	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
845	chmod SAVE_MODE, $fh;	764	chmod SAVE_MODE, $fh;
846	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
847	aio_fsync $fh;	766	aio_fsync $fh if $cf::USE_FSYNC;
848	close $fh;	767	close $fh;
849		768
850	if (@$objs) {	769	if (@$objs) {
851	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
852	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
853	my $data = Storable::nfreeze { version => 1, objs => $objs };	772	my $data = Storable::nfreeze { version => 1, objs => $objs };
854	aio_write $fh, 0, (length $data), $data, 0;	773	aio_write $fh, 0, (length $data), $data, 0;
855	aio_fsync $fh;	774	aio_fsync $fh if $cf::USE_FSYNC;
856	close $fh;	775	close $fh;
857	aio_rename "$filename.pst~", "$filename.pst";	776	aio_rename "$filename.pst~", "$filename.pst";
858	}	777	}
859	} else {	778	} else {
860	aio_unlink "$filename.pst";	779	aio_unlink "$filename.pst";
…		…
866	}	785	}
867	} else {	786	} else {
868	aio_unlink $filename;	787	aio_unlink $filename;
869	aio_unlink "$filename.pst";	788	aio_unlink "$filename.pst";
870	}	789	}
		790
		791	#d##TODO# nuke non .map-files if exist
		792	if ($filename =~ s/\.map$//) {
		793	aio_unlink $filename;
		794	aio_unlink "$filename.pst";
		795	}
871	}	796	}
872	}	797	}
873		798
874	sub object_freezer_as_string {	799	sub object_freezer_as_string {
875	my ($rdata, $objs) = @_;	800	my ($rdata, $objs) = @_;
…		…
881		806
882	sub object_thawer_load {	807	sub object_thawer_load {
883	my ($filename) = @_;	808	my ($filename) = @_;
884		809
885	my ($data, $av);	810	my ($data, $av);
		811
		812	#d#TODO remove .map if file does not exist
		813	aio_stat $filename and $filename =~ s/\.map$//;
886		814
887	(aio_load $filename, $data) >= 0	815	(aio_load $filename, $data) >= 0
888	or return;	816	or return;
889		817
890	unless (aio_stat "$filename.pst") {	818	unless (aio_stat "$filename.pst") {
…		…
927	=cut	855	=cut
928		856
929	sub register_extcmd {	857	sub register_extcmd {
930	my ($name, $cb) = @_;	858	my ($name, $cb) = @_;
931		859
932	my $caller = caller;
933	#warn "registering extcmd '$name' to '$caller'";
934
935	$EXTCMD{$name} = [$cb, $caller];	860	$EXTCMD{$name} = $cb;
936	}	861	}
937		862
938	cf::player->attach (	863	cf::player->attach (
939	on_command => sub {	864	on_command => sub {
940	my ($pl, $name, $params) = @_;	865	my ($pl, $name, $params) = @_;
…		…
953		878
954	my $msg = eval { from_json $buf };	879	my $msg = eval { from_json $buf };
955		880
956	if (ref $msg) {	881	if (ref $msg) {
957	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	882	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
958	if (my %reply = $cb->[0]->($pl, $msg)) {	883	if (my %reply = $cb->($pl, $msg)) {
959	$pl->ext_reply ($msg->{msgid}, %reply);	884	$pl->ext_reply ($msg->{msgid}, %reply);
960	}	885	}
961	}	886	}
962	} else {	887	} else {
963	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	888	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
965		890
966	cf::override;	891	cf::override;
967	},	892	},
968	);	893	);
969		894
970	sub register {
971	my ($base, $pkg) = @_;
972
973	#TODO
974	}
975
976	sub load_extension {	895	sub load_extension {
977	my ($path) = @_;	896	my ($path) = @_;
978		897
979	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	898	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
980	my $base = $1;	899	my $base = $1;
981	my $pkg = $1;	900	my $pkg = $1;
982	$pkg =~ s/[^[:word:]]/_/g;	901	$pkg =~ s/[^[:word:]]/_/g;
983	$pkg = "ext::$pkg";	902	$pkg = "ext::$pkg";
984		903
985	warn "loading '$path' into '$pkg'\n";	904	warn "... loading '$path' into '$pkg'\n";
986		905
987	open my $fh, "<:utf8", $path	906	open my $fh, "<:utf8", $path
988	or die "$path: $!";	907	or die "$path: $!";
989		908
990	my $source =	909	my $source =
991	"package $pkg; use strict; use utf8;\n"	910	"package $pkg; use strict; use utf8;\n"
992	. "#line 1 \"$path\"\n{\n"	911	. "#line 1 \"$path\"\n{\n"
993	. (do { local $/; <$fh> })	912	. (do { local $/; <$fh> })
994	. "\n};\n1";	913	. "\n};\n1";
995		914
996	eval $source	915	unless (eval $source) {
997	or die $@ ? "$path: $@\n"	916	my $msg = $@ ? "$path: $@\n"
998	: "extension disabled.\n";	917	: "extension disabled.\n";
999		918	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1000	push @exts, $pkg;	919	warn $@;
1001	$ext_pkg{$base} = $pkg;	920	warn "mandatory extension failed to load, exiting.\n";
1002		921	exit 1;
1003	# no strict 'refs';	922	}
1004	# @{"$pkg\::ISA"} = ext::;	923	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	# }	924	}
1019		925
1020	# remove commands	926	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	}	927	}
1045		928
1046	sub load_extensions {	929	sub load_extensions {
1047	for my $ext (<$LIBDIR/*.ext>) {	930	for my $ext (<$LIBDIR/*.ext>) {
1048	next unless -r $ext;	931	next unless -r $ext;
…		…
1052	} or warn "$ext not loaded: $@";	935	} or warn "$ext not loaded: $@";
1053	}	936	}
1054	}	937	}
1055		938
1056	#############################################################################	939	#############################################################################
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		940
1094	=head2 CORE EXTENSIONS	941	=head2 CORE EXTENSIONS
1095		942
1096	Functions and methods that extend core crossfire objects.	943	Functions and methods that extend core crossfire objects.
1097		944
		945	=cut
		946
		947	package cf::player;
		948
		949	use Coro::AIO;
		950
1098	=head3 cf::player	951	=head3 cf::player
1099		952
1100	=over 4	953	=over 4
1101		954
1102	=item cf::player::exists $login	955	=item cf::player::find $login
1103		956
1104	Returns true when the given account exists.	957	Returns the given player object, loading it if necessary (might block).
1105		958
1106	=cut	959	=cut
1107		960
1108	sub cf::player::exists($) {	961	sub playerdir($) {
1109	cf::player::find $_[0]	962	cf::localdir
1110	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	963	. "/"
		964	. cf::playerdir
		965	. "/"
		966	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		967	}
		968
		969	sub path($) {
		970	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		971
		972	(playerdir $login) . "/$login.pl"
		973	}
		974
		975	sub find_active($) {
		976	$cf::PLAYER{$_[0]}
		977	and $cf::PLAYER{$_[0]}->active
		978	and $cf::PLAYER{$_[0]}
		979	}
		980
		981	sub exists($) {
		982	my ($login) = @_;
		983
		984	$cf::PLAYER{$login}
		985	or cf::sync_job { !aio_stat path $login }
		986	}
		987
		988	sub find($) {
		989	return $cf::PLAYER{$_[0]} || do {
		990	my $login = $_[0];
		991
		992	my $guard = cf::lock_acquire "user_find:$login";
		993
		994	$cf::PLAYER{$_[0]} || do {
		995	my $pl = load_pl path $login
		996	or return;
		997	$cf::PLAYER{$login} = $pl
		998	}
		999	}
		1000	}
		1001
		1002	sub save($) {
		1003	my ($pl) = @_;
		1004
		1005	return if $pl->{deny_save};
		1006
		1007	my $path = path $pl;
		1008	my $guard = cf::lock_acquire "user_save:$path";
		1009
		1010	return if $pl->{deny_save};
		1011
		1012	aio_mkdir playerdir $pl, 0770;
		1013	$pl->{last_save} = $cf::RUNTIME;
		1014
		1015	$pl->save_pl ($path);
		1016	Coro::cede;
		1017	}
		1018
		1019	sub new($) {
		1020	my ($login) = @_;
		1021
		1022	my $self = create;
		1023
		1024	$self->ob->name ($login);
		1025	$self->{deny_save} = 1;
		1026
		1027	$cf::PLAYER{$login} = $self;
		1028
		1029	$self
		1030	}
		1031
		1032	=item $pl->quit_character
		1033
		1034	Nukes the player without looking back. If logged in, the connection will
		1035	be destroyed. May block for a long time.
		1036
		1037	=cut
		1038
		1039	sub quit_character {
		1040	my ($pl) = @_;
		1041
		1042	$pl->{deny_save} = 1;
		1043	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1044
		1045	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1046	$pl->deactivate;
		1047	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1048	$pl->ns->destroy if $pl->ns;
		1049
		1050	my $path = playerdir $pl;
		1051	my $temp = "$path~$cf::RUNTIME~deleting~";
		1052	aio_rename $path, $temp;
		1053	delete $cf::PLAYER{$pl->ob->name};
		1054	$pl->destroy;
		1055	IO::AIO::aio_rmtree $temp;
		1056	}
		1057
		1058	=item cf::player::list_logins
		1059
		1060	Returns am arrayref of all valid playernames in the system, can take a
		1061	while and may block, so not sync_job-capable, ever.
		1062
		1063	=cut
		1064
		1065	sub list_logins {
		1066	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1067	or return [];
		1068
		1069	my @logins;
		1070
		1071	for my $login (@$dirs) {
		1072	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1073	aio_read $fh, 0, 512, my $buf, 0 or next;
		1074	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1075
		1076	utf8::decode $login;
		1077	push @logins, $login;
		1078	}
		1079
		1080	\@logins
		1081	}
		1082
		1083	=item $player->maps
		1084
		1085	Returns an arrayref of map paths that are private for this
		1086	player. May block.
		1087
		1088	=cut
		1089
		1090	sub maps($) {
		1091	my ($pl) = @_;
		1092
		1093	$pl = ref $pl ? $pl->ob->name : $pl;
		1094
		1095	my $files = aio_readdir playerdir $pl
		1096	or return;
		1097
		1098	my @paths;
		1099
		1100	for (@$files) {
		1101	utf8::decode $_;
		1102	next if /\.(?:pl|pst)$/;
		1103	next unless /^$PATH_SEP/o;
		1104
		1105	push @paths, cf::map::normalise "~$pl/$_";
		1106	}
		1107
		1108	\@paths
1111	}	1109	}
1112		1110
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1111	=item $player->ext_reply ($msgid, $msgtype, %msg)
1114		1112
1115	Sends an ext reply to the player.	1113	Sends an ext reply to the player.
1116		1114
1117	=cut	1115	=cut
1118		1116
1119	sub cf::player::ext_reply($$$%) {	1117	sub ext_reply($$$%) {
1120	my ($self, $id, %msg) = @_;	1118	my ($self, $id, %msg) = @_;
1121		1119
1122	$msg{msgid} = $id;	1120	$msg{msgid} = $id;
1123		1121
1124	$self->send ("ext " . to_json \%msg);	1122	$self->send ("ext " . cf::to_json \%msg);
1125	}	1123	}
		1124
		1125	package cf;
1126		1126
1127	=back	1127	=back
1128		1128
1129		1129
1130	=head3 cf::map	1130	=head3 cf::map
…		…
1136	package cf::map;	1136	package cf::map;
1137		1137
1138	use Fcntl;	1138	use Fcntl;
1139	use Coro::AIO;	1139	use Coro::AIO;
1140		1140
		1141	use overload
		1142	'""' => \&as_string,
		1143	fallback => 1;
		1144
1141	our $MAX_RESET = 7200;	1145	our $MAX_RESET = 3600;
1142	our $DEFAULT_RESET = 3600;	1146	our $DEFAULT_RESET = 3000;
1143		1147
1144	sub generate_random_map {	1148	sub generate_random_map {
1145	my ($path, $rmp) = @_;	1149	my ($self, $rmp) = @_;
1146
1147	# mit "rum" bekleckern, nicht	1150	# mit "rum" bekleckern, nicht
1148	cf::map::_create_random_map	1151	$self->_create_random_map (
1149	$path,
1150	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1152	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1151	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1153	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1152	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1154	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1153	$rmp->{exit_on_final_map},	1155	$rmp->{exit_on_final_map},
1154	$rmp->{xsize}, $rmp->{ysize},	1156	$rmp->{xsize}, $rmp->{ysize},
1155	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1157	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1156	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1158	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1157	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1159	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1158	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1160	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1159	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1161	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1160	(cf::region::find $rmp->{region})	1162	(cf::region::find $rmp->{region}), $rmp->{custom}
		1163	)
		1164	}
		1165
		1166	=item cf::map->register ($regex, $prio)
		1167
		1168	Register a handler for the map path matching the given regex at the
		1169	givne priority (higher is better, built-in handlers have priority 0, the
		1170	default).
		1171
		1172	=cut
		1173
		1174	sub register {
		1175	my (undef, $regex, $prio) = @_;
		1176	my $pkg = caller;
		1177
		1178	no strict;
		1179	push @{"$pkg\::ISA"}, __PACKAGE__;
		1180
		1181	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1182	}
		1183
		1184	# also paths starting with '/'
		1185	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1186
		1187	sub thawer_merge {
		1188	my ($self, $merge) = @_;
		1189
		1190	# we have to keep some variables in memory intact
		1191	local $self->{path};
		1192	local $self->{load_path};
		1193	local $self->{deny_save};
		1194	local $self->{deny_reset};
		1195
		1196	$self->SUPER::thawer_merge ($merge);
		1197	}
		1198
		1199	sub normalise {
		1200	my ($path, $base) = @_;
		1201
		1202	$path = "$path"; # make sure its a string
		1203
		1204	$path =~ s/\.map$//;
		1205
		1206	# map plan:
		1207	#
		1208	# /! non-realised random map exit (special hack!)
		1209	# {... are special paths that are not being touched
		1210	# ?xxx/... are special absolute paths
		1211	# ?random/... random maps
		1212	# /... normal maps
		1213	# ~user/... per-player map of a specific user
		1214
		1215	$path =~ s/$PATH_SEP/\//go;
		1216
		1217	# treat it as relative path if it starts with
		1218	# something that looks reasonable
		1219	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1220	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1221
		1222	$base =~ s{[^/]+/?$}{};
		1223	$path = "$base/$path";
		1224	}
		1225
		1226	for ($path) {
		1227	redo if s{//}{/};
		1228	redo if s{/\.?/}{/};
		1229	redo if s{/[^/]+/\.\./}{/};
		1230	}
		1231
		1232	$path
		1233	}
		1234
		1235	sub new_from_path {
		1236	my (undef, $path, $base) = @_;
		1237
		1238	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1239
		1240	$path = normalise $path, $base;
		1241
		1242	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1243	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1244	my $self = bless cf::map::new, $pkg;
		1245	$self->{path} = $path; $self->path ($path);
		1246	$self->init; # pass $1 etc.
		1247	return $self;
		1248	}
		1249	}
		1250
		1251	Carp::carp "unable to resolve path '$path' (base '$base').";
		1252	()
		1253	}
		1254
		1255	sub init {
		1256	my ($self) = @_;
		1257
		1258	$self
		1259	}
		1260
		1261	sub as_string {
		1262	my ($self) = @_;
		1263
		1264	"$self->{path}"
		1265	}
		1266
		1267	# the displayed name, this is a one way mapping
		1268	sub visible_name {
		1269	&as_string
		1270	}
		1271
		1272	# the original (read-only) location
		1273	sub load_path {
		1274	my ($self) = @_;
		1275
		1276	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1277	}
		1278
		1279	# the temporary/swap location
		1280	sub save_path {
		1281	my ($self) = @_;
		1282
		1283	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1284	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1285	}
		1286
		1287	# the unique path, undef == no special unique path
		1288	sub uniq_path {
		1289	my ($self) = @_;
		1290
		1291	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1292	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1161	}	1293	}
1162		1294
1163	# and all this just because we cannot iterate over	1295	# and all this just because we cannot iterate over
1164	# all maps in C++...	1296	# all maps in C++...
1165	sub change_all_map_light {	1297	sub change_all_map_light {
…		…
1167		1299
1168	$_->change_map_light ($change)	1300	$_->change_map_light ($change)
1169	for grep $_->outdoor, values %cf::MAP;	1301	for grep $_->outdoor, values %cf::MAP;
1170	}	1302	}
1171		1303
		1304	sub unlink_save {
		1305	my ($self) = @_;
		1306
		1307	utf8::encode (my $save = $self->save_path);
		1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1309	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1310
		1311	#d#TODO remove .map and also nuke
		1312	$save =~ s/\.map// or return;#d#
		1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1314	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1315	}
		1316
1172	sub try_load_header($) {	1317	sub load_header_from($) {
1173	my ($path) = @_;	1318	my ($self, $path) = @_;
1174		1319
1175	utf8::encode $path;	1320	utf8::encode $path;
1176	aio_open $path, O_RDONLY, 0	1321	#aio_open $path, O_RDONLY, 0
		1322	# or return;
		1323
		1324	$self->_load_header ($path)
1177	or return;	1325	or return;
1178		1326
1179	my $map = cf::map::new	1327	$self->{load_path} = $path;
		1328
		1329	1
		1330	}
		1331
		1332	sub load_header_orig {
		1333	my ($self) = @_;
		1334
		1335	$self->load_header_from ($self->load_path)
		1336	}
		1337
		1338	sub load_header_temp {
		1339	my ($self) = @_;
		1340
		1341	$self->load_header_from ($self->save_path)
		1342	}
		1343
		1344	sub prepare_temp {
		1345	my ($self) = @_;
		1346
		1347	$self->last_access ((delete $self->{last_access})
		1348	|| $cf::RUNTIME); #d#
		1349	# safety
		1350	$self->{instantiate_time} = $cf::RUNTIME
		1351	if $self->{instantiate_time} > $cf::RUNTIME;
		1352	}
		1353
		1354	sub prepare_orig {
		1355	my ($self) = @_;
		1356
		1357	$self->{load_original} = 1;
		1358	$self->{instantiate_time} = $cf::RUNTIME;
		1359	$self->last_access ($cf::RUNTIME);
		1360	$self->instantiate;
		1361	}
		1362
		1363	sub load_header {
		1364	my ($self) = @_;
		1365
		1366	if ($self->load_header_temp) {
		1367	$self->prepare_temp;
		1368	} else {
		1369	$self->load_header_orig
1180	or return;	1370	or return;
		1371	$self->prepare_orig;
		1372	}
1181		1373
1182	$map->load_header ($path)	1374	1
1183	or return;
1184
1185	$map->{load_path} = $path;
1186
1187	$map
1188	}	1375	}
1189		1376
1190	sub find_map;	1377	sub find;
1191	sub find_map {	1378	sub find {
1192	my ($path, $origin) = @_;	1379	my ($path, $origin) = @_;
1193		1380
1194	#warn "find_map<$path,$origin>\n";#d#
1195
1196	$path = new cf::path $path, $origin && $origin->path;	1381	$path = normalise $path, $origin && $origin->path;
1197	my $key = $path->as_string;
1198		1382
1199	cf::lock_wait "map_find:$key";	1383	cf::lock_wait "map_find:$path";
1200		1384
1201	$cf::MAP{$key} || do {	1385	$cf::MAP{$path} || do {
1202	my $guard = cf::lock_acquire "map_find:$key";	1386	my $guard = cf::lock_acquire "map_find:$path";
1203		1387	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	# safety
1209	$map->{instantiate_time} = $cf::RUNTIME
1210	if $map->{instantiate_time} > $cf::RUNTIME;
1211	} else {
1212	if (my $rmp = $path->random_map_params) {
1213	$map = generate_random_map $key, $rmp;
1214	} else {
1215	$map = try_load_header $path->load_path;
1216	}
1217
1218	$map or return;	1388	or return;
1219		1389
1220	$map->{load_original} = 1;
1221	$map->{instantiate_time} = $cf::RUNTIME;
1222	$map->instantiate;
1223
1224	# per-player maps become, after loading, normal maps
1225	$map->per_player (0) if $path->{user_rel};
1226	}
1227
1228	$map->path ($key);
1229	$map->{path} = $path;
1230	$map->{last_save} = $cf::RUNTIME;	1390	$map->{last_save} = $cf::RUNTIME;
1231	$map->last_access ($cf::RUNTIME);
1232		1391
1233	if ($map->should_reset) {	1392	$map->load_header
		1393	or return;
		1394
		1395	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1396	# doing this can freeze the server in a sync job, obviously
		1397	#$cf::WAIT_FOR_TICK->wait;
1234	$map->reset;	1398	$map->reset;
1235	undef $guard;	1399	undef $guard;
1236	$map = find_map $path	1400	return find $path;
1237	or return;
1238	}	1401	}
1239		1402
1240	$cf::MAP{$key} = $map	1403	$cf::MAP{$path} = $map
1241	}	1404	}
1242	}	1405	}
		1406
		1407	sub pre_load { }
		1408	sub post_load { }
1243		1409
1244	sub load {	1410	sub load {
1245	my ($self) = @_;	1411	my ($self) = @_;
1246		1412
		1413	local $self->{deny_reset} = 1; # loading can take a long time
		1414
1247	my $path = $self->{path};	1415	my $path = $self->{path};
1248	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1416	my $guard = cf::lock_acquire "map_load:$path";
1249		1417
1250	return if $self->in_memory != cf::MAP_SWAPPED;	1418	return if $self->in_memory != cf::MAP_SWAPPED;
1251		1419
1252	$self->in_memory (cf::MAP_LOADING);	1420	$self->in_memory (cf::MAP_LOADING);
1253		1421
1254	$self->alloc;	1422	$self->alloc;
		1423
		1424	$self->pre_load;
		1425
1255	$self->load_objects ($self->{load_path}, 1)	1426	$self->_load_objects ($self->{load_path}, 1)
1256	or return;	1427	or return;
1257		1428
1258	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1429	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1259	if delete $self->{load_original};	1430	if delete $self->{load_original};
1260		1431
1261	if (my $uniq = $path->uniq_path) {	1432	if (my $uniq = $self->uniq_path) {
1262	utf8::encode $uniq;	1433	utf8::encode $uniq;
1263	if (aio_open $uniq, O_RDONLY, 0) {	1434	if (aio_open $uniq, O_RDONLY, 0) {
1264	$self->clear_unique_items;	1435	$self->clear_unique_items;
1265	$self->load_objects ($uniq, 0);	1436	$self->_load_objects ($uniq, 0);
1266	}	1437	}
1267	}	1438	}
		1439
		1440	Coro::cede;
1268		1441
1269	# now do the right thing for maps	1442	# now do the right thing for maps
1270	$self->link_multipart_objects;	1443	$self->link_multipart_objects;
1271		1444
1272	if ($self->{path}->is_style_map) {	1445	unless ($self->{deny_activate}) {
1273	$self->{deny_save} = 1;	1446	$self->decay_objects;
1274	$self->{deny_reset} = 1;
1275	} else {
1276	$self->fix_auto_apply;	1447	$self->fix_auto_apply;
1277	$self->decay_objects;
1278	$self->update_buttons;	1448	$self->update_buttons;
		1449	Coro::cede;
1279	$self->set_darkness_map;	1450	$self->set_darkness_map;
1280	$self->difficulty ($self->estimate_difficulty)	1451	$self->difficulty ($self->estimate_difficulty)
1281	unless $self->difficulty;	1452	unless $self->difficulty;
		1453	Coro::cede;
1282	$self->activate;	1454	$self->activate;
1283	}	1455	}
1284		1456
		1457	$self->post_load;
		1458
1285	$self->in_memory (cf::MAP_IN_MEMORY);	1459	$self->in_memory (cf::MAP_IN_MEMORY);
1286	}	1460	}
1287		1461
1288	sub load_map_sync {	1462	sub customise_for {
		1463	my ($self, $ob) = @_;
		1464
		1465	return find "~" . $ob->name . "/" . $self->{path}
		1466	if $self->per_player;
		1467
		1468	$self
		1469	}
		1470
		1471	# find and load all maps in the 3x3 area around a map
		1472	sub load_diag {
		1473	my ($map) = @_;
		1474
		1475	my @diag; # diagonal neighbours
		1476
		1477	for (0 .. 3) {
		1478	my $neigh = $map->tile_path ($_)
		1479	or next;
		1480	$neigh = find $neigh, $map
		1481	or next;
		1482	$neigh->load;
		1483
		1484	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1485	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1486	}
		1487
		1488	for (@diag) {
		1489	my $neigh = find @$_
		1490	or next;
		1491	$neigh->load;
		1492	}
		1493	}
		1494
		1495	sub find_sync {
1289	my ($path, $origin) = @_;	1496	my ($path, $origin) = @_;
1290		1497
1291	#warn "load_map_sync<$path, $origin>\n";#d#	1498	cf::sync_job { find $path, $origin }
		1499	}
1292		1500
1293	cf::sync_job {	1501	sub do_load_sync {
1294	my $map = cf::map::find_map $path, $origin	1502	my ($map) = @_;
1295	or return;	1503
		1504	cf::sync_job { $map->load };
		1505	}
		1506
		1507	our %MAP_PREFETCH;
		1508	our $MAP_PREFETCHER = undef;
		1509
		1510	sub find_async {
		1511	my ($path, $origin) = @_;
		1512
		1513	$path = normalise $path, $origin && $origin->{path};
		1514
		1515	if (my $map = $cf::MAP{$path}) {
		1516	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1517	}
		1518
		1519	undef $MAP_PREFETCH{$path};
		1520	$MAP_PREFETCHER ||= cf::async {
		1521	while (%MAP_PREFETCH) {
		1522	for my $path (keys %MAP_PREFETCH) {
		1523	my $map = find $path
		1524	or next;
1296	$map->load;	1525	$map->load;
1297	$map	1526
		1527	delete $MAP_PREFETCH{$path};
		1528	}
		1529	}
		1530	undef $MAP_PREFETCHER;
1298	}	1531	};
		1532	$MAP_PREFETCHER->prio (6);
		1533
		1534	()
1299	}	1535	}
1300		1536
1301	sub save {	1537	sub save {
1302	my ($self) = @_;	1538	my ($self) = @_;
1303		1539
		1540	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1541
1304	$self->{last_save} = $cf::RUNTIME;	1542	$self->{last_save} = $cf::RUNTIME;
1305		1543
1306	return unless $self->dirty;	1544	return unless $self->dirty;
1307		1545
1308	my $save = $self->{path}->save_path; utf8::encode $save;	1546	my $save = $self->save_path; utf8::encode $save;
1309	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1547	my $uniq = $self->uniq_path; utf8::encode $uniq;
1310		1548
1311	$self->{load_path} = $save;	1549	$self->{load_path} = $save;
1312		1550
1313	return if $self->{deny_save};	1551	return if $self->{deny_save};
1314		1552
		1553	local $self->{last_access} = $self->last_access;#d#
		1554
		1555	cf::async {
		1556	$_->contr->save for $self->players;
		1557	};
		1558
1315	if ($uniq) {	1559	if ($uniq) {
1316	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1560	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1317	$self->save_objects ($uniq, cf::IO_UNIQUES);	1561	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1318	} else {	1562	} else {
1319	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1563	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1320	}	1564	}
1321	}	1565	}
1322		1566
1323	sub swap_out {	1567	sub swap_out {
1324	my ($self) = @_;	1568	my ($self) = @_;
1325		1569
1326	# save first because save cedes	1570	# save first because save cedes
1327	$self->save;	1571	$self->save;
		1572
		1573	my $lock = cf::lock_acquire "map_data:" . $self->path;
1328		1574
1329	return if $self->players;	1575	return if $self->players;
1330	return if $self->in_memory != cf::MAP_IN_MEMORY;	1576	return if $self->in_memory != cf::MAP_IN_MEMORY;
1331	return if $self->{deny_save};	1577	return if $self->{deny_save};
1332		1578
…		…
1336		1582
1337	sub reset_at {	1583	sub reset_at {
1338	my ($self) = @_;	1584	my ($self) = @_;
1339		1585
1340	# TODO: safety, remove and allow resettable per-player maps	1586	# TODO: safety, remove and allow resettable per-player maps
1341	return 1e99 if $self->{path}{user_rel};	1587	return 1e99 if $self->isa ("ext::map_per_player");#d#
1342	return 1e99 if $self->{deny_reset};	1588	return 1e99 if $self->{deny_reset};
1343		1589
1344	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1590	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1345	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1591	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1346		1592
…		…
1351	my ($self) = @_;	1597	my ($self) = @_;
1352		1598
1353	$self->reset_at <= $cf::RUNTIME	1599	$self->reset_at <= $cf::RUNTIME
1354	}	1600	}
1355		1601
1356	sub unlink_save {
1357	my ($self) = @_;
1358
1359	utf8::encode (my $save = $self->{path}->save_path);
1360	aioreq_pri 3; IO::AIO::aio_unlink $save;
1361	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1362	}
1363
1364	sub rename {
1365	my ($self, $new_path) = @_;
1366
1367	$self->unlink_save;
1368
1369	delete $cf::MAP{$self->path};
1370	$self->{path} = new cf::path $new_path;
1371	$self->path ($self->{path}->as_string);
1372	$cf::MAP{$self->path} = $self;
1373
1374	$self->save;
1375	}
1376
1377	sub reset {	1602	sub reset {
1378	my ($self) = @_;	1603	my ($self) = @_;
1379		1604
		1605	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1606
1380	return if $self->players;	1607	return if $self->players;
1381	return if $self->{path}{user_rel};#d#	1608	return if $self->isa ("ext::map_per_player");#d#
1382		1609
1383	warn "resetting map ", $self->path;#d#	1610	warn "resetting map ", $self->path;#d#
1384		1611
		1612	$self->in_memory (cf::MAP_SWAPPED);
		1613
		1614	# need to save uniques path
		1615	unless ($self->{deny_save}) {
		1616	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1617
		1618	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1619	if $uniq;
		1620	}
		1621
1385	delete $cf::MAP{$self->path};	1622	delete $cf::MAP{$self->path};
		1623
		1624	$self->clear;
1386		1625
1387	$_->clear_links_to ($self) for values %cf::MAP;	1626	$_->clear_links_to ($self) for values %cf::MAP;
1388		1627
1389	$self->unlink_save;	1628	$self->unlink_save;
1390	$self->destroy;	1629	$self->destroy;
…		…
1393	my $nuke_counter = "aaaa";	1632	my $nuke_counter = "aaaa";
1394		1633
1395	sub nuke {	1634	sub nuke {
1396	my ($self) = @_;	1635	my ($self) = @_;
1397		1636
		1637	delete $cf::MAP{$self->path};
		1638
		1639	$self->unlink_save;
		1640
		1641	bless $self, "cf::map";
		1642	delete $self->{deny_reset};
1398	$self->{deny_save} = 1;	1643	$self->{deny_save} = 1;
1399	$self->reset_timeout (1);	1644	$self->reset_timeout (1);
1400	$self->rename ("{nuke}/" . ($nuke_counter++));	1645	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1646
		1647	$cf::MAP{$self->path} = $self;
		1648
1401	$self->reset; # polite request, might not happen	1649	$self->reset; # polite request, might not happen
1402	}	1650	}
1403		1651
1404	sub customise_for {	1652	=item cf::map::unique_maps
1405	my ($map, $ob) = @_;
1406		1653
1407	if ($map->per_player) {	1654	Returns an arrayref of paths of all shared maps that have
1408	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1655	instantiated unique items. May block.
1409	}
1410		1656
1411	$map	1657	=cut
1412	}
1413		1658
1414	sub emergency_save {	1659	sub unique_maps() {
1415	local $cf::FREEZE = 1;	1660	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1661	or return;
1416		1662
1417	warn "enter emergency map save\n";	1663	my @paths;
1418		1664
1419	cf::sync_job {	1665	for (@$files) {
1420	warn "begin emergency map save\n";	1666	utf8::decode $_;
1421	$_->save for values %cf::MAP;	1667	next if /\.pst$/;
		1668	next unless /^$PATH_SEP/o;
		1669
		1670	push @paths, cf::map::normalise $_;
1422	};	1671	}
1423		1672
1424	warn "end emergency map save\n";	1673	\@paths
1425	}	1674	}
1426		1675
1427	package cf;	1676	package cf;
1428		1677
1429	=back	1678	=back
1430		1679
		1680	=head3 cf::object
		1681
		1682	=cut
		1683
		1684	package cf::object;
		1685
		1686	=over 4
		1687
		1688	=item $ob->inv_recursive
		1689
		1690	Returns the inventory of the object _and_ their inventories, recursively.
		1691
		1692	=cut
		1693
		1694	sub inv_recursive_;
		1695	sub inv_recursive_ {
		1696	map { $_, inv_recursive_ $_->inv } @_
		1697	}
		1698
		1699	sub inv_recursive {
		1700	inv_recursive_ inv $_[0]
		1701	}
		1702
		1703	package cf;
		1704
		1705	=back
1431		1706
1432	=head3 cf::object::player	1707	=head3 cf::object::player
1433		1708
1434	=over 4	1709	=over 4
1435		1710
…		…
1475		1750
1476	=item $player_object->enter_link	1751	=item $player_object->enter_link
1477		1752
1478	Freezes the player and moves him/her to a special map (C<{link}>).	1753	Freezes the player and moves him/her to a special map (C<{link}>).
1479		1754
1480	The player should be reaosnably safe there for short amounts of time. You	1755	The player should be reasonably safe there for short amounts of time. You
1481	I<MUST> call C<leave_link> as soon as possible, though.	1756	I<MUST> call C<leave_link> as soon as possible, though.
1482		1757
		1758	Will never block.
		1759
1483	=item $player_object->leave_link ($map, $x, $y)	1760	=item $player_object->leave_link ($map, $x, $y)
1484		1761
1485	Moves the player out of the specila link map onto the given map. If the	1762	Moves the player out of the special C<{link}> map onto the specified
1486	map is not valid (or omitted), the player will be moved back to the	1763	map. If the map is not valid (or omitted), the player will be moved back
1487	location he/she was before the call to C<enter_link>, or, if that fails,	1764	to the location he/she was before the call to C<enter_link>, or, if that
1488	to the emergency map position.	1765	fails, to the emergency map position.
1489		1766
1490	Might block.	1767	Might block.
1491		1768
1492	=cut	1769	=cut
		1770
		1771	sub link_map {
		1772	unless ($LINK_MAP) {
		1773	$LINK_MAP = cf::map::find "{link}"
		1774	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1775	$LINK_MAP->load;
		1776	}
		1777
		1778	$LINK_MAP
		1779	}
1493		1780
1494	sub cf::object::player::enter_link {	1781	sub cf::object::player::enter_link {
1495	my ($self) = @_;	1782	my ($self) = @_;
1496		1783
1497	$self->deactivate_recursive;	1784	$self->deactivate_recursive;
1498		1785
1499	return if $self->map == $LINK_MAP;	1786	return if UNIVERSAL::isa $self->map, "ext::map_link";
1500		1787
1501	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1788	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1502	if $self->map;	1789	if $self->map;
1503		1790
1504	$self->enter_map ($LINK_MAP, 20, 20);	1791	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1505	}	1792	}
1506		1793
1507	sub cf::object::player::leave_link {	1794	sub cf::object::player::leave_link {
1508	my ($self, $map, $x, $y) = @_;	1795	my ($self, $map, $x, $y) = @_;
1509		1796
1510	my $link_pos = delete $self->{_link_pos};	1797	my $link_pos = delete $self->{_link_pos};
1511		1798
1512	unless ($map) {	1799	unless ($map) {
1513	# restore original map position	1800	# restore original map position
1514	($map, $x, $y) = @{ $link_pos || [] };	1801	($map, $x, $y) = @{ $link_pos || [] };
1515	$map = cf::map::find_map $map;	1802	$map = cf::map::find $map;
1516		1803
1517	unless ($map) {	1804	unless ($map) {
1518	($map, $x, $y) = @$EMERGENCY_POSITION;	1805	($map, $x, $y) = @$EMERGENCY_POSITION;
1519	$map = cf::map::find_map $map	1806	$map = cf::map::find $map
1520	or die "FATAL: cannot load emergency map\n";	1807	or die "FATAL: cannot load emergency map\n";
1521	}	1808	}
1522	}	1809	}
1523		1810
1524	($x, $y) = (-1, -1)	1811	($x, $y) = (-1, -1)
…		…
1527	# use -1 or undef as default coordinates, not 0, 0	1814	# use -1 or undef as default coordinates, not 0, 0
1528	($x, $y) = ($map->enter_x, $map->enter_y)	1815	($x, $y) = ($map->enter_x, $map->enter_y)
1529	if $x <=0 && $y <= 0;	1816	if $x <=0 && $y <= 0;
1530		1817
1531	$map->load;	1818	$map->load;
		1819	$map->load_diag;
1532		1820
		1821	return unless $self->contr->active;
1533	$self->activate_recursive;	1822	$self->activate_recursive;
1534	$self->enter_map ($map, $x, $y);	1823	$self->enter_map ($map, $x, $y);
1535	}	1824	}
1536		1825
1537	cf::player->attach (	1826	cf::player->attach (
…		…
1550		1839
1551	# try to abort aborted map switching on player login :)	1840	# try to abort aborted map switching on player login :)
1552	# should happen only on crashes	1841	# should happen only on crashes
1553	if ($pl->ob->{_link_pos}) {	1842	if ($pl->ob->{_link_pos}) {
1554	$pl->ob->enter_link;	1843	$pl->ob->enter_link;
1555	cf::async {	1844	(async {
1556	# we need this sleep as the login has a concurrent enter_exit running	1845	# we need this sleep as the login has a concurrent enter_exit running
1557	# and this sleep increases chances of the player not ending up in scorn	1846	# and this sleep increases chances of the player not ending up in scorn
		1847	$pl->ob->reply (undef,
		1848	"There was an internal problem at your last logout, "
		1849	. "the server will try to bring you to your intended destination in a second.",
		1850	cf::NDI_RED);
1558	Coro::Timer::sleep 1;	1851	Coro::Timer::sleep 1;
1559	$pl->ob->leave_link;	1852	$pl->ob->leave_link;
1560	};	1853	})->prio (2);
1561	}	1854	}
1562	},	1855	},
1563	);	1856	);
1564		1857
1565	=item $player_object->goto_map ($path, $x, $y)	1858	=item $player_object->goto ($path, $x, $y)
1566		1859
1567	=cut	1860	=cut
1568		1861
1569	sub cf::object::player::goto_map {	1862	sub cf::object::player::goto {
1570	my ($self, $path, $x, $y) = @_;	1863	my ($self, $path, $x, $y) = @_;
1571		1864
1572	$self->enter_link;	1865	$self->enter_link;
1573		1866
1574	(cf::async {	1867	(async {
1575	$path = new cf::path $path;	1868	my $map = eval {
1576
1577	my $map = cf::map::find_map $path->as_string;	1869	my $map = cf::map::find $path;
1578	$map = $map->customise_for ($self) if $map;	1870	$map = $map->customise_for ($self) if $map;
1579		1871	$map
1580	# warn "entering ", $map->path, " at ($x, $y)\n"	1872	} or
1581	# if $map;
1582
1583	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1873	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1584		1874
1585	$self->leave_link ($map, $x, $y);	1875	$self->leave_link ($map, $x, $y);
1586	})->prio (1);	1876	})->prio (1);
1587	}	1877	}
1588		1878
…		…
1592		1882
1593	sub parse_random_map_params {	1883	sub parse_random_map_params {
1594	my ($spec) = @_;	1884	my ($spec) = @_;
1595		1885
1596	my $rmp = { # defaults	1886	my $rmp = { # defaults
1597	xsize => 10,	1887	xsize => (cf::rndm 15, 40),
1598	ysize => 10,	1888	ysize => (cf::rndm 15, 40),
		1889	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1890	#layout => string,
1599	};	1891	};
1600		1892
1601	for (split /\n/, $spec) {	1893	for (split /\n/, $spec) {
1602	my ($k, $v) = split /\s+/, $_, 2;	1894	my ($k, $v) = split /\s+/, $_, 2;
1603		1895
…		…
1607	$rmp	1899	$rmp
1608	}	1900	}
1609		1901
1610	sub prepare_random_map {	1902	sub prepare_random_map {
1611	my ($exit) = @_;	1903	my ($exit) = @_;
		1904
		1905	my $guard = cf::lock_acquire "exit_prepare:$exit";
1612		1906
1613	# all this does is basically replace the /! path by	1907	# all this does is basically replace the /! path by
1614	# a new random map path (?random/...) with a seed	1908	# a new random map path (?random/...) with a seed
1615	# that depends on the exit object	1909	# that depends on the exit object
1616		1910
1617	my $rmp = parse_random_map_params $exit->msg;	1911	my $rmp = parse_random_map_params $exit->msg;
1618		1912
1619	if ($exit->map) {	1913	if ($exit->map) {
1620	$rmp->{region} = $exit->map->region_name;	1914	$rmp->{region} = $exit->region->name;
1621	$rmp->{origin_map} = $exit->map->path;	1915	$rmp->{origin_map} = $exit->map->path;
1622	$rmp->{origin_x} = $exit->x;	1916	$rmp->{origin_x} = $exit->x;
1623	$rmp->{origin_y} = $exit->y;	1917	$rmp->{origin_y} = $exit->y;
1624	}	1918	}
1625		1919
1626	$rmp->{random_seed} ||= $exit->random_seed;	1920	$rmp->{random_seed} ||= $exit->random_seed;
1627		1921
1628	my $data = cf::to_json $rmp;	1922	my $data = cf::to_json $rmp;
1629	my $md5 = Digest::MD5::md5_hex $data;	1923	my $md5 = Digest::MD5::md5_hex $data;
		1924	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1630		1925
1631	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1926	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1632	aio_write $fh, 0, (length $data), $data, 0;	1927	aio_write $fh, 0, (length $data), $data, 0;
		1928	undef $fh;
		1929	aio_rename "$meta~", $meta;
1633		1930
1634	$exit->slaying ("?random/$md5");	1931	$exit->slaying ("?random/$md5");
1635	$exit->msg (undef);	1932	$exit->msg (undef);
1636	}	1933	}
1637	}	1934	}
…		…
1639	sub cf::object::player::enter_exit {	1936	sub cf::object::player::enter_exit {
1640	my ($self, $exit) = @_;	1937	my ($self, $exit) = @_;
1641		1938
1642	return unless $self->type == cf::PLAYER;	1939	return unless $self->type == cf::PLAYER;
1643		1940
		1941	if ($exit->slaying eq "/!") {
		1942	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1943	cf::sync_job { prepare_random_map $exit };
		1944	}
		1945
		1946	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1947	my $hp = $exit->stats->hp;
		1948	my $sp = $exit->stats->sp;
		1949
1644	$self->enter_link;	1950	$self->enter_link;
1645		1951
1646	(cf::async {	1952	(async {
		1953	$self->deactivate_recursive; # just to be sure
1647	unless (eval {	1954	unless (eval {
1648	prepare_random_map $exit	1955	$self->goto ($slaying, $hp, $sp);
1649	if $exit->slaying eq "/!";
1650
1651	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1652	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1653		1956
1654	1;	1957	1;
1655	}) {	1958	}) {
1656	$self->message ("Something went wrong deep within the crossfire server. "	1959	$self->message ("Something went wrong deep within the crossfire server. "
1657	. "I'll try to bring you back to the map you were before. "	1960	. "I'll try to bring you back to the map you were before. "
1658	. "Please report this to the dungeon master",	1961	. "Please report this to the dungeon master!",
1659	cf::NDI_UNIQUE | cf::NDI_RED);	1962	cf::NDI_UNIQUE | cf::NDI_RED);
1660		1963
1661	warn "ERROR in enter_exit: $@";	1964	warn "ERROR in enter_exit: $@";
1662	$self->leave_link;	1965	$self->leave_link;
1663	}	1966	}
…		…
1718	# get handled first	2021	# get handled first
1719	my $queue = delete $ns->{query_queue}	2022	my $queue = delete $ns->{query_queue}
1720	or return; # be conservative, not sure how that can happen, but we saw a crash here	2023	or return; # be conservative, not sure how that can happen, but we saw a crash here
1721		2024
1722	(shift @$queue)->[1]->($msg);	2025	(shift @$queue)->[1]->($msg);
		2026	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1723		2027
1724	push @{ $ns->{query_queue} }, @$queue;	2028	push @{ $ns->{query_queue} }, @$queue;
1725		2029
1726	if (@{ $ns->{query_queue} } == @$queue) {	2030	if (@{ $ns->{query_queue} } == @$queue) {
1727	if (@$queue) {	2031	if (@$queue) {
…		…
1731	}	2035	}
1732	}	2036	}
1733	},	2037	},
1734	);	2038	);
1735		2039
1736	=item $client->coro (\&cb)	2040	=item $client->async (\&cb)
1737		2041
1738	Create a new coroutine, running the specified callback. The coroutine will	2042	Create a new coroutine, running the specified callback. The coroutine will
1739	be automatically cancelled when the client gets destroyed (e.g. on logout,	2043	be automatically cancelled when the client gets destroyed (e.g. on logout,
1740	or loss of connection).	2044	or loss of connection).
1741		2045
1742	=cut	2046	=cut
1743		2047
1744	sub cf::client::coro {	2048	sub cf::client::async {
1745	my ($self, $cb) = @_;	2049	my ($self, $cb) = @_;
1746		2050
1747	my $coro = &cf::async ($cb);	2051	my $coro = &Coro::async ($cb);
1748		2052
1749	$coro->on_destroy (sub {	2053	$coro->on_destroy (sub {
1750	delete $self->{_coro}{$coro+0};	2054	delete $self->{_coro}{$coro+0};
1751	});	2055	});
1752		2056
…		…
1888	The parameter C<$family> should best start with the name of the extension	2192	The parameter C<$family> should best start with the name of the extension
1889	using it, it should be unique.	2193	using it, it should be unique.
1890		2194
1891	=over 4	2195	=over 4
1892		2196
1893	=item $hashref = cf::db_get $family
1894
1895	Return a hashref for use by the extension C<$family>, which can be
1896	modified. After modifications, you have to call C<cf::db_dirty> or
1897	C<cf::db_sync>.
1898
1899	=item $value = cf::db_get $family => $key	2197	=item $value = cf::db_get $family => $key
1900		2198
1901	Returns a single value from the database	2199	Returns a single value from the database.
1902
1903	=item cf::db_put $family => $hashref
1904
1905	Stores the given family hashref into the database. Updates are delayed, if
1906	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1907		2200
1908	=item cf::db_put $family => $key => $value	2201	=item cf::db_put $family => $key => $value
1909		2202
1910	Stores the given C<$value> in the family hash. Updates are delayed, if you	2203	Stores the given C<$value> in the family.
1911	want the data to be synced to disk immediately, use C<cf::db_sync>.
1912
1913	=item cf::db_dirty
1914
1915	Marks the database as dirty, to be updated at a later time.
1916
1917	=item cf::db_sync
1918
1919	Immediately write the database to disk I<if it is dirty>.
1920		2204
1921	=cut	2205	=cut
1922		2206
1923	our $DB;	2207	our $DB;
1924		2208
1925	{	2209	sub db_init {
		2210	unless ($DB) {
		2211	$DB = BDB::db_create $DB_ENV;
		2212
		2213	cf::sync_job {
		2214	eval {
		2215	$DB->set_flags (BDB::CHKSUM);
		2216
		2217	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2218	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2219	cf::cleanup "db_open(db): $!" if $!;
		2220	};
		2221	cf::cleanup "db_open(db): $@" if $@;
		2222	};
		2223
1926	my $path = cf::localdir . "/database.pst";	2224	my $path = cf::localdir . "/database.pst";
		2225	if (stat $path) {
		2226	cf::sync_job {
		2227	my $pst = Storable::retrieve $path;
1927		2228
1928	sub db_load() {	2229	cf::db_put (board => data => $pst->{board});
1929	$DB = stat $path ? Storable::retrieve $path : { };	2230	cf::db_put (guildrules => data => $pst->{guildrules});
1930	}	2231	cf::db_put (rent => balance => $pst->{rent}{balance});
		2232	BDB::db_env_txn_checkpoint $DB_ENV;
1931		2233
1932	my $pid;	2234	unlink $path;
1933
1934	sub db_save() {
1935	waitpid $pid, 0 if $pid;
1936	if (0 == ($pid = fork)) {
1937	$DB->{_meta}{version} = 1;
1938	Storable::nstore $DB, "$path~";
1939	rename "$path~", $path;
1940	cf::_exit 0 if defined $pid;
1941	}	2235	};
1942	}
1943
1944	my $dirty;
1945
1946	sub db_sync() {
1947	db_save if $dirty;
1948	undef $dirty;
1949	}
1950
1951	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1952	db_sync;
1953	});
1954
1955	sub db_dirty() {
1956	$dirty = 1;
1957	$idle->start;
1958	}
1959
1960	sub db_get($;$) {
1961	@_ >= 2
1962	? $DB->{$_[0]}{$_[1]}
1963	: ($DB->{$_[0]} ||= { })
1964	}
1965
1966	sub db_put($$;$) {
1967	if (@_ >= 3) {
1968	$DB->{$_[0]}{$_[1]} = $_[2];
1969	} else {
1970	$DB->{$_[0]} = $_[1];
1971	}
1972	db_dirty;
1973	}
1974
1975	cf::global->attach (
1976	prio => 10000,
1977	on_cleanup => sub {
1978	db_sync;
1979	},	2236	}
1980	);	2237	}
		2238	}
		2239
		2240	sub db_get($$) {
		2241	my $key = "$_[0]/$_[1]";
		2242
		2243	cf::sync_job {
		2244	BDB::db_get $DB, undef, $key, my $data;
		2245
		2246	$! ? ()
		2247	: Compress::LZF::sthaw $data
		2248	}
		2249	}
		2250
		2251	sub db_put($$$) {
		2252	BDB::dbreq_pri 4;
		2253	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1981	}	2254	}
1982		2255
1983	#############################################################################	2256	#############################################################################
1984	# the server's main()	2257	# the server's init and main functions
		2258
		2259	sub load_resources {
		2260	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2261	or die "unable to load regions file\n";#d#
		2262	}
1985		2263
1986	sub cfg_load {	2264	sub cfg_load {
1987	open my $fh, "<:utf8", cf::confdir . "/config"	2265	open my $fh, "<:utf8", cf::confdir . "/config"
1988	or return;	2266	or return;
1989		2267
1990	local $/;	2268	local $/;
1991	*CFG = YAML::Syck::Load <$fh>;	2269	*CFG = YAML::Syck::Load <$fh>;
1992		2270
1993	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2271	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1994		2272
		2273	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2274	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2275
1995	if (exists $CFG{mlockall}) {	2276	if (exists $CFG{mlockall}) {
1996	eval {	2277	eval {
1997	$CFG{mlockall} ? &mlockall : &munlockall	2278	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1998	and die "WARNING: m(un)lockall failed: $!\n";	2279	and die "WARNING: m(un)lockall failed: $!\n";
1999	};	2280	};
2000	warn $@ if $@;	2281	warn $@ if $@;
2001	}	2282	}
		2283	}
		2284
		2285	sub init {
		2286	load_resources;
2002	}	2287	}
2003		2288
2004	sub main {	2289	sub main {
2005	# we must not ever block the main coroutine	2290	# we must not ever block the main coroutine
2006	local $Coro::idle = sub {	2291	local $Coro::idle = sub {
2007	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2292	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2008	(Coro::unblock_sub {	2293	(async {
2009	Event::one_event;	2294	Event::one_event;
2010	})->();	2295	})->prio (Coro::PRIO_MAX);
2011	};	2296	};
2012		2297
2013	cfg_load;	2298	cfg_load;
2014	db_load;	2299	db_init;
2015	load_extensions;	2300	load_extensions;
		2301
		2302	$TICK_WATCHER->start;
2016	Event::loop;	2303	Event::loop;
2017	}	2304	}
2018		2305
2019	#############################################################################	2306	#############################################################################
2020	# initialisation	2307	# initialisation and cleanup
		2308
		2309	# install some emergency cleanup handlers
		2310	BEGIN {
		2311	for my $signal (qw(INT HUP TERM)) {
		2312	Event->signal (
		2313	reentrant => 0,
		2314	data => WF_AUTOCANCEL,
		2315	signal => $signal,
		2316	prio => 0,
		2317	cb => sub {
		2318	cf::cleanup "SIG$signal";
		2319	},
		2320	);
		2321	}
		2322	}
		2323
		2324	sub emergency_save() {
		2325	my $freeze_guard = cf::freeze_mainloop;
		2326
		2327	warn "enter emergency perl save\n";
		2328
		2329	cf::sync_job {
		2330	# use a peculiar iteration method to avoid tripping on perl
		2331	# refcount bugs in for. also avoids problems with players
		2332	# and maps saved/destroyed asynchronously.
		2333	warn "begin emergency player save\n";
		2334	for my $login (keys %cf::PLAYER) {
		2335	my $pl = $cf::PLAYER{$login} or next;
		2336	$pl->valid or next;
		2337	$pl->save;
		2338	}
		2339	warn "end emergency player save\n";
		2340
		2341	warn "begin emergency map save\n";
		2342	for my $path (keys %cf::MAP) {
		2343	my $map = $cf::MAP{$path} or next;
		2344	$map->valid or next;
		2345	$map->save;
		2346	}
		2347	warn "end emergency map save\n";
		2348
		2349	warn "begin emergency database checkpoint\n";
		2350	BDB::db_env_txn_checkpoint $DB_ENV;
		2351	warn "end emergency database checkpoint\n";
		2352	};
		2353
		2354	warn "leave emergency perl save\n";
		2355	}
		2356
		2357	sub post_cleanup {
		2358	my ($make_core) = @_;
		2359
		2360	warn Carp::longmess "post_cleanup backtrace"
		2361	if $make_core;
		2362	}
2021		2363
2022	sub reload() {	2364	sub reload() {
2023	# can/must only be called in main	2365	# can/must only be called in main
2024	if ($Coro::current != $Coro::main) {	2366	if ($Coro::current != $Coro::main) {
2025	warn "can only reload from main coroutine\n";	2367	warn "can only reload from main coroutine";
2026	return;	2368	return;
2027	}	2369	}
2028		2370
2029	warn "reloading...";	2371	warn "reloading...";
2030		2372
2031	local $FREEZE = 1;	2373	warn "entering sync_job";
		2374
		2375	cf::sync_job {
		2376	cf::write_runtime; # external watchdog should not bark
2032	cf::emergency_save;	2377	cf::emergency_save;
		2378	cf::write_runtime; # external watchdog should not bark
2033		2379
2034	eval {	2380	warn "syncing database to disk";
		2381	BDB::db_env_txn_checkpoint $DB_ENV;
		2382
2035	# 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
2036		2384
2037	# cancel all watchers	2385	warn "cancelling all WF_AUTOCANCEL watchers";
2038	for (Event::all_watchers) {	2386	for (Event::all_watchers) {
2039	$_->cancel if $_->data & WF_AUTOCANCEL;	2387	$_->cancel if $_->data & WF_AUTOCANCEL;
2040	}	2388	}
2041		2389
		2390	warn "flushing outstanding aio requests";
		2391	for (;;) {
		2392	BDB::flush;
		2393	IO::AIO::flush;
		2394	Coro::cede;
		2395	last unless IO::AIO::nreqs || BDB::nreqs;
		2396	warn "iterate...";
		2397	}
		2398
2042	# cancel all extension coros	2399	warn "cancelling all extension coros";
2043	$_->cancel for values %EXT_CORO;	2400	$_->cancel for values %EXT_CORO;
2044	%EXT_CORO = ();	2401	%EXT_CORO = ();
2045		2402
2046	# unload all extensions	2403	warn "removing commands";
2047	for (@exts) {	2404	%COMMAND = ();
		2405
		2406	warn "removing ext commands";
		2407	%EXTCMD = ();
		2408
		2409	warn "unloading/nuking all extensions";
		2410	for my $pkg (@EXTS) {
2048	warn "unloading <$_>";	2411	warn "... unloading $pkg";
2049	unload_extension $_;	2412
		2413	if (my $cb = $pkg->can ("unload")) {
		2414	eval {
		2415	$cb->($pkg);
		2416	1
		2417	} or warn "$pkg unloaded, but with errors: $@";
2050	}	2418	}
2051		2419
		2420	warn "... nuking $pkg";
		2421	Symbol::delete_package $pkg;
		2422	}
		2423
2052	# unload all modules loaded from $LIBDIR	2424	warn "unloading all perl modules loaded from $LIBDIR";
2053	while (my ($k, $v) = each %INC) {	2425	while (my ($k, $v) = each %INC) {
2054	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2426	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2055		2427
2056	warn "removing <$k>";	2428	warn "... unloading $k";
2057	delete $INC{$k};	2429	delete $INC{$k};
2058		2430
2059	$k =~ s/\.pm$//;	2431	$k =~ s/\.pm$//;
2060	$k =~ s/\//::/g;	2432	$k =~ s/\//::/g;
2061		2433
…		…
2064	}	2436	}
2065		2437
2066	Symbol::delete_package $k;	2438	Symbol::delete_package $k;
2067	}	2439	}
2068		2440
2069	# sync database to disk
2070	cf::db_sync;
2071	IO::AIO::flush;
2072
2073	# get rid of safe::, as good as possible	2441	warn "getting rid of safe::, as good as possible";
2074	Symbol::delete_package "safe::$_"	2442	Symbol::delete_package "safe::$_"
2075	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2443	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2076		2444
2077	# remove register_script_function callbacks
2078	# TODO
2079
2080	# unload cf.pm "a bit"	2445	warn "unloading cf.pm \"a bit\"";
2081	delete $INC{"cf.pm"};	2446	delete $INC{"cf.pm"};
2082		2447
2083	# don't, removes xs symbols, too,	2448	# don't, removes xs symbols, too,
2084	# and global variables created in xs	2449	# and global variables created in xs
2085	#Symbol::delete_package __PACKAGE__;	2450	#Symbol::delete_package __PACKAGE__;
2086		2451
2087	# reload cf.pm	2452	warn "unload completed, starting to reload now";
		2453
2088	warn "reloading cf.pm";	2454	warn "reloading cf.pm";
2089	require cf;	2455	require cf;
2090	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2456	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2091		2457
2092	# load config and database again	2458	warn "loading config and database again";
2093	cf::cfg_load;	2459	cf::cfg_load;
2094	cf::db_load;
2095		2460
2096	# load extensions
2097	warn "load extensions";	2461	warn "loading extensions";
2098	cf::load_extensions;	2462	cf::load_extensions;
2099		2463
2100	# reattach attachments to objects	2464	warn "reattaching attachments to objects/players";
2101	warn "reattach";
2102	_global_reattach;	2465	_global_reattach;
2103	};	2466	warn "reattaching attachments to maps";
		2467	reattach $_ for values %MAP;
2104		2468
2105	if ($@) {	2469	warn "loading reloadable resources";
		2470	load_resources;
		2471
		2472	warn "leaving sync_job";
		2473
		2474	1
		2475	} or do {
2106	warn $@;	2476	warn $@;
2107	warn "error while reloading, exiting.";	2477	warn "error while reloading, exiting.";
2108	exit 1;	2478	exit 1;
2109	}	2479	};
2110		2480
2111	warn "reloaded successfully";	2481	warn "reloaded";
2112	};	2482	};
2113		2483
2114	#############################################################################	2484	our $RELOAD_WATCHER; # used only during reload
2115
2116	unless ($LINK_MAP) {
2117	$LINK_MAP = cf::map::new;
2118
2119	$LINK_MAP->width (41);
2120	$LINK_MAP->height (41);
2121	$LINK_MAP->alloc;
2122	$LINK_MAP->path ("{link}");
2123	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2124	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2125
2126	# dirty hack because... archetypes are not yet loaded
2127	Event->timer (
2128	after => 2,
2129	cb => sub {
2130	$_[0]->w->cancel;
2131
2132	# provide some exits "home"
2133	my $exit = cf::object::new "exit";
2134
2135	$exit->slaying ($EMERGENCY_POSITION->[0]);
2136	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2137	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2138
2139	$LINK_MAP->insert ($exit->clone, 19, 19);
2140	$LINK_MAP->insert ($exit->clone, 19, 20);
2141	$LINK_MAP->insert ($exit->clone, 19, 21);
2142	$LINK_MAP->insert ($exit->clone, 20, 19);
2143	$LINK_MAP->insert ($exit->clone, 20, 21);
2144	$LINK_MAP->insert ($exit->clone, 21, 19);
2145	$LINK_MAP->insert ($exit->clone, 21, 20);
2146	$LINK_MAP->insert ($exit->clone, 21, 21);
2147
2148	$exit->destroy;
2149	});
2150
2151	$LINK_MAP->{deny_save} = 1;
2152	$LINK_MAP->{deny_reset} = 1;
2153
2154	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2155	}
2156
2157	register "<global>", __PACKAGE__;
2158		2485
2159	register_command "reload" => sub {	2486	register_command "reload" => sub {
2160	my ($who, $arg) = @_;	2487	my ($who, $arg) = @_;
2161		2488
2162	if ($who->flag (FLAG_WIZ)) {	2489	if ($who->flag (FLAG_WIZ)) {
2163	$who->message ("start of reload.");	2490	$who->message ("reloading server.");
		2491
		2492	# doing reload synchronously and two reloads happen back-to-back,
		2493	# coro crashes during coro_state_free->destroy here.
		2494
		2495	$RELOAD_WATCHER ||= Event->timer (
		2496	reentrant => 0,
		2497	after => 0,
		2498	data => WF_AUTOCANCEL,
		2499	cb => sub {
2164	reload;	2500	reload;
2165	$who->message ("end of reload.");	2501	undef $RELOAD_WATCHER;
		2502	},
		2503	);
2166	}	2504	}
2167	};	2505	};
2168		2506
2169	unshift @INC, $LIBDIR;	2507	unshift @INC, $LIBDIR;
		2508
		2509	my $bug_warning = 0;
2170		2510
2171	$TICK_WATCHER = Event->timer (	2511	$TICK_WATCHER = Event->timer (
2172	reentrant => 0,	2512	reentrant => 0,
		2513	parked => 1,
2173	prio => 0,	2514	prio => 0,
2174	at => $NEXT_TICK || $TICK,	2515	at => $NEXT_TICK || $TICK,
2175	data => WF_AUTOCANCEL,	2516	data => WF_AUTOCANCEL,
2176	cb => sub {	2517	cb => sub {
2177	unless ($FREEZE) {	2518	if ($Coro::current != $Coro::main) {
		2519	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2520	unless ++$bug_warning > 10;
		2521	return;
		2522	}
		2523
		2524	$NOW = Event::time;
		2525
2178	cf::server_tick; # one server iteration	2526	cf::server_tick; # one server iteration
2179	$RUNTIME += $TICK;	2527	$RUNTIME += $TICK;
2180	}
2181
2182	$NEXT_TICK += $TICK;	2528	$NEXT_TICK += $TICK;
		2529
		2530	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2531	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2532	Coro::async_pool {
		2533	write_runtime
		2534	or warn "ERROR: unable to write runtime file: $!";
		2535	};
		2536	}
		2537
		2538
		2539	$WAIT_FOR_TICK->broadcast;
		2540	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2541
		2542	# my $AFTER = Event::time;
		2543	# warn $AFTER - $NOW;#d#
2183		2544
2184	# if we are delayed by four ticks or more, skip them all	2545	# if we are delayed by four ticks or more, skip them all
2185	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2546	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2186		2547
2187	$TICK_WATCHER->at ($NEXT_TICK);	2548	$TICK_WATCHER->at ($NEXT_TICK);
2188	$TICK_WATCHER->start;	2549	$TICK_WATCHER->start;
2189	},	2550	},
2190	);	2551	);
2191		2552
		2553	{
2192	IO::AIO::max_poll_time $TICK * 0.2;	2554	BDB::max_poll_time $TICK * 0.1;
2193		2555	$BDB_POLL_WATCHER = Event->io (
2194	Event->io (	2556	reentrant => 0,
2195	fd => IO::AIO::poll_fileno,	2557	fd => BDB::poll_fileno,
2196	poll => 'r',	2558	poll => 'r',
2197	prio => 5,	2559	prio => 0,
2198	data => WF_AUTOCANCEL,
2199	cb => \&IO::AIO::poll_cb,
2200	);
2201
2202	Event->timer (
2203	data => WF_AUTOCANCEL,	2560	data => WF_AUTOCANCEL,
2204	after => 0,	2561	cb => \&BDB::poll_cb,
2205	interval => 10,	2562	);
2206	cb => sub {	2563	BDB::min_parallel 8;
2207	(Coro::unblock_sub {	2564
2208	write_runtime	2565	BDB::set_sync_prepare {
2209	or warn "ERROR: unable to write runtime file: $!";	2566	my $status;
		2567	my $current = $Coro::current;
		2568	(
		2569	sub {
		2570	$status = $!;
		2571	$current->ready; undef $current;
		2572	},
		2573	sub {
		2574	Coro::schedule while defined $current;
		2575	$! = $status;
		2576	},
		2577	)
		2578	};
		2579
		2580	unless ($DB_ENV) {
		2581	$DB_ENV = BDB::db_env_create;
		2582
		2583	cf::sync_job {
		2584	eval {
		2585	BDB::db_env_open
		2586	$DB_ENV,
		2587	$BDB_ENV_DIR,
		2588	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2589	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2590	0666;
		2591
		2592	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2593
		2594	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2595	$DB_ENV->set_lk_detect;
		2596	};
		2597
		2598	cf::cleanup "db_env_open(db): $@" if $@;
2210	})->();	2599	};
2211	},	2600	}
2212	);	2601	}
		2602
		2603	{
		2604	IO::AIO::min_parallel 8;
		2605
		2606	undef $Coro::AIO::WATCHER;
		2607	IO::AIO::max_poll_time $TICK * 0.1;
		2608	$AIO_POLL_WATCHER = Event->io (
		2609	reentrant => 0,
		2610	data => WF_AUTOCANCEL,
		2611	fd => IO::AIO::poll_fileno,
		2612	poll => 'r',
		2613	prio => 6,
		2614	cb => \&IO::AIO::poll_cb,
		2615	);
		2616	}
2213		2617
2214	END { cf::emergency_save }	2618	END { cf::emergency_save }
2215		2619
2216	1	2620	1
2217		2621

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