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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.127 by root, Wed Jan 3 00:05:26 2007 UTC vs.
Revision 1.208 by root, Mon Feb 12 00:27:20 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3 ();	13	use Coro 3.5 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use BDB ();
		21	use Data::Dumper;
20	use Digest::MD5;	22	use Digest::MD5;
21	use Fcntl;	23	use Fcntl;
22	use IO::AIO 2.31 ();	24	use IO::AIO 2.32 ();
23	use YAML::Syck ();	25	use YAML::Syck ();
24	use Time::HiRes;	26	use Time::HiRes;
		27	use Compress::LZF;
		28
		29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
25		30
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
		32
		33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
27		34
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	36	$YAML::Syck::ImplicitUnicode = 1;
30		37
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		39
35	our %COMMAND = ();	40	our %COMMAND = ();
36	our %COMMAND_TIME = ();	41	our %COMMAND_TIME = ();
		42
		43	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	44	our %EXTCMD = ();
		45	our %EXT_CORO = (); # coroutines bound to extensions
		46	our %EXT_MAP = (); # pluggable maps
38		47
39	our @EVENT;	48	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	49	our $LIBDIR = datadir . "/ext";
41		50
42	our $TICK = MAX_TIME * 1e-6;	51	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	52	our $TICK_WATCHER;
		53	our $AIO_POLL_WATCHER;
		54	our $WRITE_RUNTIME_WATCHER;
44	our $NEXT_TICK;	55	our $NEXT_TICK;
45	our $NOW;	56	our $NOW;
		57	our $USE_FSYNC = 1; # use fsync to write maps - default off
		58
		59	our $BDB_POLL_WATCHER;
		60	our $DB_ENV;
46		61
47	our %CFG;	62	our %CFG;
48		63
49	our $UPTIME; $UPTIME ||= time;	64	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	65	our $RUNTIME;
51		66
		67	our %PLAYER; # all users
52	our %MAP; # all maps	68	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	69	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	70	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	71	our $BDB_ENV_DIR = cf::localdir . "/db";
		72
		73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		75
		76	# used to convert map paths into valid unix filenames by replacing / by ∕
		77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		78
58	binmode STDOUT;	79	binmode STDOUT;
59	binmode STDERR;	80	binmode STDERR;
60		81
61	# read virtual server time, if available	82	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	89	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	90	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	91	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	92	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	93	mkdir $RANDOM_MAPS;
		94	mkdir $BDB_ENV_DIR;
73		95
74	# a special map that is always available	96	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		97
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	98	sub cf::map::normalise;
78		99
79	#############################################################################	100	#############################################################################
80		101
81	=head2 GLOBAL VARIABLES	102	=head2 GLOBAL VARIABLES
82		103
…		…
106		127
107	=item %cf::CFG	128	=item %cf::CFG
108		129
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	130	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	131	from wherever your confdir points to.
		132
		133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		134
		135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		137	processing has been done. Call C<< ->wait >> on them to maximise the
		138	window of cpu time available, or simply to synchronise to the server tick.
111		139
112	=back	140	=back
113		141
114	=cut	142	=cut
115		143
…		…
119	utf8::encode $msg;	147	utf8::encode $msg;
120		148
121	$msg .= "\n"	149	$msg .= "\n"
122	unless $msg =~ /\n$/;	150	unless $msg =~ /\n$/;
123		151
124	LOG llevError, "cfperl: $msg";	152	LOG llevError, $msg;
125	};	153	};
126	}	154	}
127		155
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		175
148	$Event::DIED = sub {	176	$Event::DIED = sub {
149	warn "error in event callback: @_";	177	warn "error in event callback: @_";
150	};	178	};
151		179
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	180	=head2 UTILITY FUNCTIONS
157		181
158	=over 4	182	=over 4
159		183
		184	=item dumpval $ref
		185
160	=cut	186	=cut
		187
		188	sub dumpval {
		189	eval {
		190	local $SIG{__DIE__};
		191	my $d;
		192	if (1) {
		193	$d = new Data::Dumper([$_[0]], ["*var"]);
		194	$d->Terse(1);
		195	$d->Indent(2);
		196	$d->Quotekeys(0);
		197	$d->Useqq(1);
		198	#$d->Bless(...);
		199	$d->Seen($_[1]) if @_ > 1;
		200	$d = $d->Dump();
		201	}
		202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		203	$d
		204	} || "[unable to dump $_[0]: '$@']";
		205	}
161		206
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	207	use JSON::Syck (); # TODO# replace by JSON::PC once working
163		208
164	=item $ref = cf::from_json $json	209	=item $ref = cf::from_json $json
165		210
…		…
181	sub to_json($) {	226	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	228	JSON::Syck::Dump $_[0]
184	}	229	}
185		230
186	=item my $guard = cf::guard { BLOCK }
187
188	Run the given callback when the guard object gets destroyed (useful for
189	coroutine cancellations).
190
191	You can call C<< ->cancel >> on the guard object to stop the block from
192	being executed.
193
194	=cut
195
196	sub guard(&) {
197	bless \(my $cb = $_[0]), cf::guard::;
198	}
199
200	sub cf::guard::cancel {
201	${$_[0]} = sub { };
202	}
203
204	sub cf::guard::DESTROY {
205	${$_[0]}->();
206	}
207
208	=item cf::lock_wait $string	231	=item cf::lock_wait $string
209		232
210	Wait until the given lock is available. See cf::lock_acquire.	233	Wait until the given lock is available. See cf::lock_acquire.
211		234
212	=item my $lock = cf::lock_acquire $string	235	=item my $lock = cf::lock_acquire $string
213		236
214	Wait until the given lock is available and then acquires it and returns	237	Wait until the given lock is available and then acquires it and returns
215	a guard object. If the guard object gets destroyed (goes out of scope,	238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
216	for example when the coroutine gets canceled), the lock is automatically	239	for example when the coroutine gets canceled), the lock is automatically
217	returned.	240	returned.
218		241
219	Lock names should begin with a unique identifier (for example, find_map	242	Lock names should begin with a unique identifier (for example, cf::map::find
220	uses map_find and load_map uses map_load).	243	uses map_find and cf::map::load uses map_load).
221		244
222	=cut	245	=cut
223		246
224	our %LOCK;	247	our %LOCK;
225		248
…		…
239	# wait, to be sure we are not locked	262	# wait, to be sure we are not locked
240	lock_wait $key;	263	lock_wait $key;
241		264
242	$LOCK{$key} = [];	265	$LOCK{$key} = [];
243		266
244	cf::guard {	267	Coro::guard {
245	# wake up all waiters, to be on the safe side	268	# wake up all waiters, to be on the safe side
246	$_->ready for @{ delete $LOCK{$key} };	269	$_->ready for @{ delete $LOCK{$key} };
247	}	270	}
248	}	271	}
249		272
		273	sub freeze_mainloop {
		274	return unless $TICK_WATCHER->is_active;
		275
		276	my $guard = Coro::guard {
		277	$TICK_WATCHER->start;
		278	$WRITE_RUNTIME_WATCHER->start;
		279	};
		280	$WRITE_RUNTIME_WATCHER->stop;
		281	$TICK_WATCHER->stop;
		282	$guard
		283	}
		284
250	=item cf::async { BLOCK }	285	=item cf::async { BLOCK }
251		286
252	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	287	Currently the same as Coro::async_pool, meaning you cannot use
253	error instead of exiting the server in case of a problem.	288	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		289	thing you are allowed to do is call C<prio> on it.
254		290
255	=cut	291	=cut
256		292
257	sub async(&) {	293	BEGIN { *async = \&Coro::async_pool }
258	my ($cb) = @_;
259
260	Coro::async {
261	eval { $cb->() };
262	warn $@ if $@;
263	}
264	}
265		294
266	=item cf::sync_job { BLOCK }	295	=item cf::sync_job { BLOCK }
267		296
268	The design of crossfire+ requires that the main coro ($Coro::main) is	297	The design of crossfire+ requires that the main coro ($Coro::main) is
269	always able to handle events or runnable, as crossfire+ is only partly	298	always able to handle events or runnable, as crossfire+ is only partly
…		…
283	# this is the main coro, too bad, we have to block	312	# this is the main coro, too bad, we have to block
284	# till the operation succeeds, freezing the server :/	313	# till the operation succeeds, freezing the server :/
285		314
286	# TODO: use suspend/resume instead	315	# TODO: use suspend/resume instead
287	# (but this is cancel-safe)	316	# (but this is cancel-safe)
288	local $FREEZE = 1;	317	my $freeze_guard = freeze_mainloop;
289		318
290	my $busy = 1;	319	my $busy = 1;
291	my @res;	320	my @res;
292		321
293	(Coro::async {	322	(async {
294	@res = eval { $job->() };	323	@res = eval { $job->() };
295	warn $@ if $@;	324	warn $@ if $@;
296	undef $busy;	325	undef $busy;
297	})->prio (Coro::PRIO_MAX);	326	})->prio (Coro::PRIO_MAX);
298		327
299	while ($busy) {	328	while ($busy) {
300	Coro::cede_notself;	329	Coro::cede or Event::one_event;
301	Event::one_event unless Coro::nready;
302	}	330	}
303		331
304	wantarray ? @res : $res[0]	332	wantarray ? @res : $res[0]
305	} else {	333	} else {
306	# we are in another coroutine, how wonderful, everything just works	334	# we are in another coroutine, how wonderful, everything just works
307		335
308	$job->()	336	$job->()
309	}	337	}
310	}	338	}
311		339
312	=item $coro = cf::coro { BLOCK }	340	=item $coro = cf::async_ext { BLOCK }
313		341
314	Creates and returns a new coro. This coro is automcatially being canceled	342	Like async, but this coro is automatically being canceled when the
315	when the extension calling this is being unloaded.	343	extension calling this is being unloaded.
316		344
317	=cut	345	=cut
318		346
319	sub coro(&) {	347	sub async_ext(&) {
320	my $cb = shift;	348	my $cb = shift;
321		349
322	my $coro = &cf::async ($cb);	350	my $coro = &Coro::async ($cb);
323		351
324	$coro->on_destroy (sub {	352	$coro->on_destroy (sub {
325	delete $EXT_CORO{$coro+0};	353	delete $EXT_CORO{$coro+0};
326	});	354	});
327	$EXT_CORO{$coro+0} = $coro;	355	$EXT_CORO{$coro+0} = $coro;
…		…
333	my $runtime = cf::localdir . "/runtime";	361	my $runtime = cf::localdir . "/runtime";
334		362
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
336	or return;	364	or return;
337		365
		366	my $value = $cf::RUNTIME + 90 + 10;
338	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	367	# 10 is the runtime save interval, for a monotonic clock
		368	# 60 allows for the watchdog to kill the server.
		369
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0	370	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;	371	and return;
341		372
		373	# always fsync - this file is important
342	aio_fsync $fh	374	aio_fsync $fh
343	and return;	375	and return;
344		376
345	close $fh	377	close $fh
346	or return;	378	or return;
…		…
352	}	384	}
353		385
354	=back	386	=back
355		387
356	=cut	388	=cut
357
358	#############################################################################
359
360	package cf::path;
361
362	sub new {
363	my ($class, $path, $base) = @_;
364
365	$path = $path->as_string if ref $path;
366
367	my $self = bless { }, $class;
368
369	# {... are special paths that are not touched
370	# ?xxx/... are special absolute paths
371	# ?random/... random maps
372	# /! non-realised random map exit
373	# /... normal maps
374	# ~/... per-player maps without a specific player (DO NOT USE)
375	# ~user/... per-player map of a specific user
376
377	if ($path =~ /^{/) {
378	# fine as it is
379	} elsif ($path =~ s{^\?random/}{}) {
380	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
381	$self->{random} = cf::from_json $data;
382	} else {
383	if ($path =~ s{^~([^/]+)?}{}) {
384	$self->{user_rel} = 1;
385
386	if (defined $1) {
387	$self->{user} = $1;
388	} elsif ($base =~ m{^~([^/]+)/}) {
389	$self->{user} = $1;
390	} else {
391	warn "cannot resolve user-relative path without user <$path,$base>\n";
392	}
393	} elsif ($path =~ /^\//) {
394	# already absolute
395	} else {
396	$base =~ s{[^/]+/?$}{};
397	return $class->new ("$base/$path");
398	}
399
400	for ($path) {
401	redo if s{/\.?/}{/};
402	redo if s{/[^/]+/\.\./}{/};
403	}
404	}
405
406	$self->{path} = $path;
407
408	$self
409	}
410
411	# the name / primary key / in-game path
412	sub as_string {
413	my ($self) = @_;
414
415	$self->{user_rel} ? "~$self->{user}$self->{path}"
416	: $self->{random} ? "?random/$self->{path}"
417	: $self->{path}
418	}
419
420	# the displayed name, this is a one way mapping
421	sub visible_name {
422	my ($self) = @_;
423
424	# if (my $rmp = $self->{random}) {
425	# # todo: be more intelligent about this
426	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
427	# } else {
428	$self->as_string
429	# }
430	}
431
432	# escape the /'s in the path
433	sub _escaped_path {
434	# ∕ is U+2215
435	(my $path = $_[0]{path}) =~ s/\//∕/g;
436	$path
437	}
438
439	# the original (read-only) location
440	sub load_path {
441	my ($self) = @_;
442
443	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
444	}
445
446	# the temporary/swap location
447	sub save_path {
448	my ($self) = @_;
449
450	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
451	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
452	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
453	}
454
455	# the unique path, might be eq to save_path
456	sub uniq_path {
457	my ($self) = @_;
458
459	$self->{user_rel} || $self->{random}
460	? undef
461	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
462	}
463
464	# return random map parameters, or undef
465	sub random_map_params {
466	my ($self) = @_;
467
468	$self->{random}
469	}
470
471	# this is somewhat ugly, but style maps do need special treatment
472	sub is_style_map {
473	$_[0]{path} =~ m{^/styles/}
474	}
475
476	package cf;
477		389
478	#############################################################################	390	#############################################################################
479		391
480	=head2 ATTACHABLE OBJECTS	392	=head2 ATTACHABLE OBJECTS
481		393
…		…
607	our @CB_TYPE = (); # registry for type (cf-object class) based events	519	our @CB_TYPE = (); # registry for type (cf-object class) based events
608	our @CB_MAP = ();	520	our @CB_MAP = ();
609		521
610	my %attachment;	522	my %attachment;
611		523
		524	sub cf::attachable::thawer_merge {
		525	# simply override everything except _meta
		526	local $_[0]{_meta};
		527	%{$_[0]} = %{$_[1]};
		528	}
		529
612	sub _attach_cb($$$$) {	530	sub _attach_cb($$$$) {
613	my ($registry, $event, $prio, $cb) = @_;	531	my ($registry, $event, $prio, $cb) = @_;
614		532
615	use sort 'stable';	533	use sort 'stable';
616		534
…		…
787	# object support	705	# object support
788		706
789	sub reattach {	707	sub reattach {
790	# basically do the same as instantiate, without calling instantiate	708	# basically do the same as instantiate, without calling instantiate
791	my ($obj) = @_;	709	my ($obj) = @_;
		710
		711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
792		712
793	my $registry = $obj->registry;	713	my $registry = $obj->registry;
794		714
795	@$registry = ();	715	@$registry = ();
796		716
…		…
843	$filename, length $$rdata, scalar @$objs;	763	$filename, length $$rdata, scalar @$objs;
844		764
845	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
846	chmod SAVE_MODE, $fh;	766	chmod SAVE_MODE, $fh;
847	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
848	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
849	close $fh;	769	close $fh;
850		770
851	if (@$objs) {	771	if (@$objs) {
852	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
853	chmod SAVE_MODE, $fh;	773	chmod SAVE_MODE, $fh;
854	my $data = Storable::nfreeze { version => 1, objs => $objs };	774	my $data = Storable::nfreeze { version => 1, objs => $objs };
855	aio_write $fh, 0, (length $data), $data, 0;	775	aio_write $fh, 0, (length $data), $data, 0;
856	aio_fsync $fh;	776	aio_fsync $fh if $cf::USE_FSYNC;
857	close $fh;	777	close $fh;
858	aio_rename "$filename.pst~", "$filename.pst";	778	aio_rename "$filename.pst~", "$filename.pst";
859	}	779	}
860	} else {	780	} else {
861	aio_unlink "$filename.pst";	781	aio_unlink "$filename.pst";
…		…
867	}	787	}
868	} else {	788	} else {
869	aio_unlink $filename;	789	aio_unlink $filename;
870	aio_unlink "$filename.pst";	790	aio_unlink "$filename.pst";
871	}	791	}
		792
		793	#d##TODO# nuke non .map-files if exist
		794	if ($filename =~ s/\.map$//) {
		795	aio_unlink $filename;
		796	aio_unlink "$filename.pst";
		797	}
872	}	798	}
873	}	799	}
874		800
875	sub object_freezer_as_string {	801	sub object_freezer_as_string {
876	my ($rdata, $objs) = @_;	802	my ($rdata, $objs) = @_;
…		…
882		808
883	sub object_thawer_load {	809	sub object_thawer_load {
884	my ($filename) = @_;	810	my ($filename) = @_;
885		811
886	my ($data, $av);	812	my ($data, $av);
		813
		814	#d#TODO remove .map if file does not exist
		815	aio_stat $filename and $filename =~ s/\.map$//;
887		816
888	(aio_load $filename, $data) >= 0	817	(aio_load $filename, $data) >= 0
889	or return;	818	or return;
890		819
891	unless (aio_stat "$filename.pst") {	820	unless (aio_stat "$filename.pst") {
…		…
928	=cut	857	=cut
929		858
930	sub register_extcmd {	859	sub register_extcmd {
931	my ($name, $cb) = @_;	860	my ($name, $cb) = @_;
932		861
933	my $caller = caller;
934	#warn "registering extcmd '$name' to '$caller'";
935
936	$EXTCMD{$name} = [$cb, $caller];	862	$EXTCMD{$name} = $cb;
937	}	863	}
938		864
939	cf::player->attach (	865	cf::player->attach (
940	on_command => sub {	866	on_command => sub {
941	my ($pl, $name, $params) = @_;	867	my ($pl, $name, $params) = @_;
…		…
954		880
955	my $msg = eval { from_json $buf };	881	my $msg = eval { from_json $buf };
956		882
957	if (ref $msg) {	883	if (ref $msg) {
958	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
959	if (my %reply = $cb->[0]->($pl, $msg)) {	885	if (my %reply = $cb->($pl, $msg)) {
960	$pl->ext_reply ($msg->{msgid}, %reply);	886	$pl->ext_reply ($msg->{msgid}, %reply);
961	}	887	}
962	}	888	}
963	} else {	889	} else {
964	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
966		892
967	cf::override;	893	cf::override;
968	},	894	},
969	);	895	);
970		896
971	sub register {
972	my ($base, $pkg) = @_;
973
974	#TODO
975	}
976
977	sub load_extension {	897	sub load_extension {
978	my ($path) = @_;	898	my ($path) = @_;
979		899
980	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
981	my $base = $1;	901	my $base = $1;
982	my $pkg = $1;	902	my $pkg = $1;
983	$pkg =~ s/[^[:word:]]/_/g;	903	$pkg =~ s/[^[:word:]]/_/g;
984	$pkg = "ext::$pkg";	904	$pkg = "ext::$pkg";
985		905
986	warn "loading '$path' into '$pkg'\n";	906	warn "... loading '$path' into '$pkg'\n";
987		907
988	open my $fh, "<:utf8", $path	908	open my $fh, "<:utf8", $path
989	or die "$path: $!";	909	or die "$path: $!";
990		910
991	my $source =	911	my $source =
992	"package $pkg; use strict; use utf8;\n"	912	"package $pkg; use strict; use utf8;\n"
993	. "#line 1 \"$path\"\n{\n"	913	. "#line 1 \"$path\"\n{\n"
994	. (do { local $/; <$fh> })	914	. (do { local $/; <$fh> })
995	. "\n};\n1";	915	. "\n};\n1";
996		916
997	eval $source	917	unless (eval $source) {
998	or die $@ ? "$path: $@\n"	918	my $msg = $@ ? "$path: $@\n"
999	: "extension disabled.\n";	919	: "extension disabled.\n";
1000		920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1001	push @exts, $pkg;	921	warn $@;
1002	$ext_pkg{$base} = $pkg;	922	warn "mandatory extension failed to load, exiting.\n";
1003		923	exit 1;
1004	# no strict 'refs';	924	}
1005	# @{"$pkg\::ISA"} = ext::;	925	die $@;
1006
1007	register $base, $pkg;
1008	}
1009
1010	sub unload_extension {
1011	my ($pkg) = @_;
1012
1013	warn "removing extension $pkg\n";
1014
1015	# remove hooks
1016	#TODO
1017	# for my $idx (0 .. $#PLUGIN_EVENT) {
1018	# delete $hook[$idx]{$pkg};
1019	# }	926	}
1020		927
1021	# remove commands	928	push @EXTS, $pkg;
1022	for my $name (keys %COMMAND) {
1023	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1024
1025	if (@cb) {
1026	$COMMAND{$name} = \@cb;
1027	} else {
1028	delete $COMMAND{$name};
1029	}
1030	}
1031
1032	# remove extcmds
1033	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1034	delete $EXTCMD{$name};
1035	}
1036
1037	if (my $cb = $pkg->can ("unload")) {
1038	eval {
1039	$cb->($pkg);
1040	1
1041	} or warn "$pkg unloaded, but with errors: $@";
1042	}
1043
1044	Symbol::delete_package $pkg;
1045	}	929	}
1046		930
1047	sub load_extensions {	931	sub load_extensions {
1048	for my $ext (<$LIBDIR/*.ext>) {	932	for my $ext (<$LIBDIR/*.ext>) {
1049	next unless -r $ext;	933	next unless -r $ext;
…		…
1053	} or warn "$ext not loaded: $@";	937	} or warn "$ext not loaded: $@";
1054	}	938	}
1055	}	939	}
1056		940
1057	#############################################################################	941	#############################################################################
1058	# load/save/clean perl data associated with a map
1059
1060	*cf::mapsupport::on_clean = sub {
1061	my ($map) = @_;
1062
1063	my $path = $map->tmpname;
1064	defined $path or return;
1065
1066	unlink "$path.pst";
1067	};
1068
1069	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1070
1071	#############################################################################
1072	# load/save perl data associated with player->ob objects
1073
1074	sub all_objects(@) {
1075	@_, map all_objects ($_->inv), @_
1076	}
1077
1078	# TODO: compatibility cruft, remove when no longer needed
1079	cf::player->attach (
1080	on_load => sub {
1081	my ($pl, $path) = @_;
1082
1083	for my $o (all_objects $pl->ob) {
1084	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1085	$o->set_ob_key_value ("_perl_data");
1086
1087	%$o = %{ Storable::thaw pack "H*", $value };
1088	}
1089	}
1090	},
1091	);
1092
1093	#############################################################################
1094		942
1095	=head2 CORE EXTENSIONS	943	=head2 CORE EXTENSIONS
1096		944
1097	Functions and methods that extend core crossfire objects.	945	Functions and methods that extend core crossfire objects.
1098		946
		947	=cut
		948
		949	package cf::player;
		950
		951	use Coro::AIO;
		952
1099	=head3 cf::player	953	=head3 cf::player
1100		954
1101	=over 4	955	=over 4
1102		956
1103	=item cf::player::exists $login	957	=item cf::player::find $login
1104		958
1105	Returns true when the given account exists.	959	Returns the given player object, loading it if necessary (might block).
1106		960
1107	=cut	961	=cut
1108		962
1109	sub cf::player::exists($) {	963	sub playerdir($) {
1110	cf::player::find $_[0]	964	cf::localdir
1111	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	965	. "/"
		966	. cf::playerdir
		967	. "/"
		968	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		969	}
		970
		971	sub path($) {
		972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		973
		974	(playerdir $login) . "/$login.pl"
		975	}
		976
		977	sub find_active($) {
		978	$cf::PLAYER{$_[0]}
		979	and $cf::PLAYER{$_[0]}->active
		980	and $cf::PLAYER{$_[0]}
		981	}
		982
		983	sub exists($) {
		984	my ($login) = @_;
		985
		986	$cf::PLAYER{$login}
		987	or cf::sync_job { !aio_stat path $login }
		988	}
		989
		990	sub find($) {
		991	return $cf::PLAYER{$_[0]} || do {
		992	my $login = $_[0];
		993
		994	my $guard = cf::lock_acquire "user_find:$login";
		995
		996	$cf::PLAYER{$_[0]} || do {
		997	my $pl = load_pl path $login
		998	or return;
		999	$cf::PLAYER{$login} = $pl
		1000	}
		1001	}
		1002	}
		1003
		1004	sub save($) {
		1005	my ($pl) = @_;
		1006
		1007	return if $pl->{deny_save};
		1008
		1009	my $path = path $pl;
		1010	my $guard = cf::lock_acquire "user_save:$path";
		1011
		1012	return if $pl->{deny_save};
		1013
		1014	aio_mkdir playerdir $pl, 0770;
		1015	$pl->{last_save} = $cf::RUNTIME;
		1016
		1017	$pl->save_pl ($path);
		1018	Coro::cede;
		1019	}
		1020
		1021	sub new($) {
		1022	my ($login) = @_;
		1023
		1024	my $self = create;
		1025
		1026	$self->ob->name ($login);
		1027	$self->{deny_save} = 1;
		1028
		1029	$cf::PLAYER{$login} = $self;
		1030
		1031	$self
		1032	}
		1033
		1034	=item $pl->quit_character
		1035
		1036	Nukes the player without looking back. If logged in, the connection will
		1037	be destroyed. May block for a long time.
		1038
		1039	=cut
		1040
		1041	sub quit_character {
		1042	my ($pl) = @_;
		1043
		1044	$pl->{deny_save} = 1;
		1045	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1046
		1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1048	$pl->deactivate;
		1049	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1050	$pl->ns->destroy if $pl->ns;
		1051
		1052	my $path = playerdir $pl;
		1053	my $temp = "$path~$cf::RUNTIME~deleting~";
		1054	aio_rename $path, $temp;
		1055	delete $cf::PLAYER{$pl->ob->name};
		1056	$pl->destroy;
		1057	IO::AIO::aio_rmtree $temp;
		1058	}
		1059
		1060	=item cf::player::list_logins
		1061
		1062	Returns am arrayref of all valid playernames in the system, can take a
		1063	while and may block, so not sync_job-capable, ever.
		1064
		1065	=cut
		1066
		1067	sub list_logins {
		1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1069	or return [];
		1070
		1071	my @logins;
		1072
		1073	for my $login (@$dirs) {
		1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1075	aio_read $fh, 0, 512, my $buf, 0 or next;
		1076	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1077
		1078	utf8::decode $login;
		1079	push @logins, $login;
		1080	}
		1081
		1082	\@logins
		1083	}
		1084
		1085	=item $player->maps
		1086
		1087	Returns an arrayref of map paths that are private for this
		1088	player. May block.
		1089
		1090	=cut
		1091
		1092	sub maps($) {
		1093	my ($pl) = @_;
		1094
		1095	$pl = ref $pl ? $pl->ob->name : $pl;
		1096
		1097	my $files = aio_readdir playerdir $pl
		1098	or return;
		1099
		1100	my @paths;
		1101
		1102	for (@$files) {
		1103	utf8::decode $_;
		1104	next if /\.(?:pl|pst)$/;
		1105	next unless /^$PATH_SEP/o;
		1106
		1107	push @paths, cf::map::normalise "~$pl/$_";
		1108	}
		1109
		1110	\@paths
1112	}	1111	}
1113		1112
1114	=item $player->ext_reply ($msgid, $msgtype, %msg)	1113	=item $player->ext_reply ($msgid, $msgtype, %msg)
1115		1114
1116	Sends an ext reply to the player.	1115	Sends an ext reply to the player.
1117		1116
1118	=cut	1117	=cut
1119		1118
1120	sub cf::player::ext_reply($$$%) {	1119	sub ext_reply($$$%) {
1121	my ($self, $id, %msg) = @_;	1120	my ($self, $id, %msg) = @_;
1122		1121
1123	$msg{msgid} = $id;	1122	$msg{msgid} = $id;
1124		1123
1125	$self->send ("ext " . to_json \%msg);	1124	$self->send ("ext " . cf::to_json \%msg);
1126	}	1125	}
		1126
		1127	package cf;
1127		1128
1128	=back	1129	=back
1129		1130
1130		1131
1131	=head3 cf::map	1132	=head3 cf::map
…		…
1137	package cf::map;	1138	package cf::map;
1138		1139
1139	use Fcntl;	1140	use Fcntl;
1140	use Coro::AIO;	1141	use Coro::AIO;
1141		1142
		1143	use overload
		1144	'""' => \&as_string,
		1145	fallback => 1;
		1146
1142	our $MAX_RESET = 7200;	1147	our $MAX_RESET = 3600;
1143	our $DEFAULT_RESET = 3600;	1148	our $DEFAULT_RESET = 3000;
1144		1149
1145	sub generate_random_map {	1150	sub generate_random_map {
1146	my ($path, $rmp) = @_;	1151	my ($self, $rmp) = @_;
1147
1148	# mit "rum" bekleckern, nicht	1152	# mit "rum" bekleckern, nicht
1149	cf::map::_create_random_map	1153	$self->_create_random_map (
1150	$path,
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1154	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1155	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1156	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1154	$rmp->{exit_on_final_map},	1157	$rmp->{exit_on_final_map},
1155	$rmp->{xsize}, $rmp->{ysize},	1158	$rmp->{xsize}, $rmp->{ysize},
1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1159	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1160	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1161	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1159	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1162	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1163	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1161	(cf::region::find $rmp->{region})	1164	(cf::region::find $rmp->{region}), $rmp->{custom}
		1165	)
		1166	}
		1167
		1168	=item cf::map->register ($regex, $prio)
		1169
		1170	Register a handler for the map path matching the given regex at the
		1171	givne priority (higher is better, built-in handlers have priority 0, the
		1172	default).
		1173
		1174	=cut
		1175
		1176	sub register {
		1177	my (undef, $regex, $prio) = @_;
		1178	my $pkg = caller;
		1179
		1180	no strict;
		1181	push @{"$pkg\::ISA"}, __PACKAGE__;
		1182
		1183	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1184	}
		1185
		1186	# also paths starting with '/'
		1187	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1188
		1189	sub thawer_merge {
		1190	my ($self, $merge) = @_;
		1191
		1192	# we have to keep some variables in memory intact
		1193	local $self->{path};
		1194	local $self->{load_path};
		1195	local $self->{deny_save};
		1196	local $self->{deny_reset};
		1197
		1198	$self->SUPER::thawer_merge ($merge);
		1199	}
		1200
		1201	sub normalise {
		1202	my ($path, $base) = @_;
		1203
		1204	$path = "$path"; # make sure its a string
		1205
		1206	$path =~ s/\.map$//;
		1207
		1208	# map plan:
		1209	#
		1210	# /! non-realised random map exit (special hack!)
		1211	# {... are special paths that are not being touched
		1212	# ?xxx/... are special absolute paths
		1213	# ?random/... random maps
		1214	# /... normal maps
		1215	# ~user/... per-player map of a specific user
		1216
		1217	$path =~ s/$PATH_SEP/\//go;
		1218
		1219	# treat it as relative path if it starts with
		1220	# something that looks reasonable
		1221	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1222	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1223
		1224	$base =~ s{[^/]+/?$}{};
		1225	$path = "$base/$path";
		1226	}
		1227
		1228	for ($path) {
		1229	redo if s{//}{/};
		1230	redo if s{/\.?/}{/};
		1231	redo if s{/[^/]+/\.\./}{/};
		1232	}
		1233
		1234	$path
		1235	}
		1236
		1237	sub new_from_path {
		1238	my (undef, $path, $base) = @_;
		1239
		1240	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1241
		1242	$path = normalise $path, $base;
		1243
		1244	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1245	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1246	my $self = bless cf::map::new, $pkg;
		1247	$self->{path} = $path; $self->path ($path);
		1248	$self->init; # pass $1 etc.
		1249	return $self;
		1250	}
		1251	}
		1252
		1253	Carp::carp "unable to resolve path '$path' (base '$base').";
		1254	()
		1255	}
		1256
		1257	sub init {
		1258	my ($self) = @_;
		1259
		1260	$self
		1261	}
		1262
		1263	sub as_string {
		1264	my ($self) = @_;
		1265
		1266	"$self->{path}"
		1267	}
		1268
		1269	# the displayed name, this is a one way mapping
		1270	sub visible_name {
		1271	&as_string
		1272	}
		1273
		1274	# the original (read-only) location
		1275	sub load_path {
		1276	my ($self) = @_;
		1277
		1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1279	}
		1280
		1281	# the temporary/swap location
		1282	sub save_path {
		1283	my ($self) = @_;
		1284
		1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1287	}
		1288
		1289	# the unique path, undef == no special unique path
		1290	sub uniq_path {
		1291	my ($self) = @_;
		1292
		1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1162	}	1295	}
1163		1296
1164	# and all this just because we cannot iterate over	1297	# and all this just because we cannot iterate over
1165	# all maps in C++...	1298	# all maps in C++...
1166	sub change_all_map_light {	1299	sub change_all_map_light {
…		…
1168		1301
1169	$_->change_map_light ($change)	1302	$_->change_map_light ($change)
1170	for grep $_->outdoor, values %cf::MAP;	1303	for grep $_->outdoor, values %cf::MAP;
1171	}	1304	}
1172		1305
		1306	sub unlink_save {
		1307	my ($self) = @_;
		1308
		1309	utf8::encode (my $save = $self->save_path);
		1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1312
		1313	#d#TODO remove .map and also nuke
		1314	$save =~ s/\.map// or return;#d#
		1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1317	}
		1318
1173	sub try_load_header($) {	1319	sub load_header_from($) {
1174	my ($path) = @_;	1320	my ($self, $path) = @_;
1175		1321
1176	utf8::encode $path;	1322	utf8::encode $path;
1177	aio_open $path, O_RDONLY, 0	1323	#aio_open $path, O_RDONLY, 0
		1324	# or return;
		1325
		1326	$self->_load_header ($path)
1178	or return;	1327	or return;
1179		1328
1180	my $map = cf::map::new	1329	$self->{load_path} = $path;
		1330
		1331	1
		1332	}
		1333
		1334	sub load_header_orig {
		1335	my ($self) = @_;
		1336
		1337	$self->load_header_from ($self->load_path)
		1338	}
		1339
		1340	sub load_header_temp {
		1341	my ($self) = @_;
		1342
		1343	$self->load_header_from ($self->save_path)
		1344	}
		1345
		1346	sub prepare_temp {
		1347	my ($self) = @_;
		1348
		1349	$self->last_access ((delete $self->{last_access})
		1350	|| $cf::RUNTIME); #d#
		1351	# safety
		1352	$self->{instantiate_time} = $cf::RUNTIME
		1353	if $self->{instantiate_time} > $cf::RUNTIME;
		1354	}
		1355
		1356	sub prepare_orig {
		1357	my ($self) = @_;
		1358
		1359	$self->{load_original} = 1;
		1360	$self->{instantiate_time} = $cf::RUNTIME;
		1361	$self->last_access ($cf::RUNTIME);
		1362	$self->instantiate;
		1363	}
		1364
		1365	sub load_header {
		1366	my ($self) = @_;
		1367
		1368	if ($self->load_header_temp) {
		1369	$self->prepare_temp;
		1370	} else {
		1371	$self->load_header_orig
1181	or return;	1372	or return;
		1373	$self->prepare_orig;
		1374	}
1182		1375
1183	$map->load_header ($path)	1376	1
1184	or return;
1185
1186	$map->{load_path} = $path;
1187
1188	$map
1189	}	1377	}
1190		1378
1191	sub find_map;	1379	sub find;
1192	sub find_map {	1380	sub find {
1193	my ($path, $origin) = @_;	1381	my ($path, $origin) = @_;
1194		1382
1195	#warn "find_map<$path,$origin>\n";#d#
1196
1197	$path = new cf::path $path, $origin && $origin->path;	1383	$path = normalise $path, $origin && $origin->path;
1198	my $key = $path->as_string;
1199		1384
1200	cf::lock_wait "map_find:$key";	1385	cf::lock_wait "map_find:$path";
1201		1386
1202	$cf::MAP{$key} || do {	1387	$cf::MAP{$path} || do {
1203	my $guard = cf::lock_acquire "map_find:$key";	1388	my $guard = cf::lock_acquire "map_find:$path";
1204		1389	my $map = new_from_path cf::map $path
1205	# do it the slow way
1206	my $map = try_load_header $path->save_path;
1207
1208	if ($map) {
1209	# safety
1210	$map->{instantiate_time} = $cf::RUNTIME
1211	if $map->{instantiate_time} > $cf::RUNTIME;
1212	} else {
1213	if (my $rmp = $path->random_map_params) {
1214	$map = generate_random_map $key, $rmp;
1215	} else {
1216	$map = try_load_header $path->load_path;
1217	}
1218
1219	$map or return;	1390	or return;
1220		1391
1221	$map->{load_original} = 1;
1222	$map->{instantiate_time} = $cf::RUNTIME;
1223	$map->instantiate;
1224
1225	# per-player maps become, after loading, normal maps
1226	$map->per_player (0) if $path->{user_rel};
1227	}
1228
1229	$map->path ($key);
1230	$map->{path} = $path;
1231	$map->{last_save} = $cf::RUNTIME;	1392	$map->{last_save} = $cf::RUNTIME;
1232	$map->last_access ($cf::RUNTIME);
1233		1393
1234	if ($map->should_reset) {	1394	$map->load_header
		1395	or return;
		1396
		1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1398	# doing this can freeze the server in a sync job, obviously
		1399	#$cf::WAIT_FOR_TICK->wait;
1235	$map->reset;	1400	$map->reset;
1236	undef $guard;	1401	undef $guard;
1237	$map = find_map $path	1402	return find $path;
1238	or return;
1239	}	1403	}
1240		1404
1241	$cf::MAP{$key} = $map	1405	$cf::MAP{$path} = $map
1242	}	1406	}
1243	}	1407	}
		1408
		1409	sub pre_load { }
		1410	sub post_load { }
1244		1411
1245	sub load {	1412	sub load {
1246	my ($self) = @_;	1413	my ($self) = @_;
1247		1414
		1415	local $self->{deny_reset} = 1; # loading can take a long time
		1416
1248	my $path = $self->{path};	1417	my $path = $self->{path};
1249	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1418	my $guard = cf::lock_acquire "map_load:$path";
1250		1419
1251	return if $self->in_memory != cf::MAP_SWAPPED;	1420	return if $self->in_memory != cf::MAP_SWAPPED;
1252		1421
1253	$self->in_memory (cf::MAP_LOADING);	1422	$self->in_memory (cf::MAP_LOADING);
1254		1423
1255	$self->alloc;	1424	$self->alloc;
		1425
		1426	$self->pre_load;
		1427
1256	$self->load_objects ($self->{load_path}, 1)	1428	$self->_load_objects ($self->{load_path}, 1)
1257	or return;	1429	or return;
1258		1430
1259	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1260	if delete $self->{load_original};	1432	if delete $self->{load_original};
1261		1433
1262	if (my $uniq = $path->uniq_path) {	1434	if (my $uniq = $self->uniq_path) {
1263	utf8::encode $uniq;	1435	utf8::encode $uniq;
1264	if (aio_open $uniq, O_RDONLY, 0) {	1436	if (aio_open $uniq, O_RDONLY, 0) {
1265	$self->clear_unique_items;	1437	$self->clear_unique_items;
1266	$self->load_objects ($uniq, 0);	1438	$self->_load_objects ($uniq, 0);
1267	}	1439	}
1268	}	1440	}
		1441
		1442	Coro::cede;
1269		1443
1270	# now do the right thing for maps	1444	# now do the right thing for maps
1271	$self->link_multipart_objects;	1445	$self->link_multipart_objects;
1272		1446
1273	if ($self->{path}->is_style_map) {	1447	unless ($self->{deny_activate}) {
1274	$self->{deny_save} = 1;	1448	$self->decay_objects;
1275	$self->{deny_reset} = 1;
1276	} else {
1277	$self->fix_auto_apply;	1449	$self->fix_auto_apply;
1278	$self->decay_objects;
1279	$self->update_buttons;	1450	$self->update_buttons;
		1451	Coro::cede;
1280	$self->set_darkness_map;	1452	$self->set_darkness_map;
1281	$self->difficulty ($self->estimate_difficulty)	1453	$self->difficulty ($self->estimate_difficulty)
1282	unless $self->difficulty;	1454	unless $self->difficulty;
		1455	Coro::cede;
1283	$self->activate;	1456	$self->activate;
1284	}	1457	}
1285		1458
		1459	$self->post_load;
		1460
1286	$self->in_memory (cf::MAP_IN_MEMORY);	1461	$self->in_memory (cf::MAP_IN_MEMORY);
1287	}	1462	}
1288		1463
1289	sub load_map_sync {	1464	sub customise_for {
		1465	my ($self, $ob) = @_;
		1466
		1467	return find "~" . $ob->name . "/" . $self->{path}
		1468	if $self->per_player;
		1469
		1470	$self
		1471	}
		1472
		1473	# find and load all maps in the 3x3 area around a map
		1474	sub load_diag {
		1475	my ($map) = @_;
		1476
		1477	my @diag; # diagonal neighbours
		1478
		1479	for (0 .. 3) {
		1480	my $neigh = $map->tile_path ($_)
		1481	or next;
		1482	$neigh = find $neigh, $map
		1483	or next;
		1484	$neigh->load;
		1485
		1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1488	}
		1489
		1490	for (@diag) {
		1491	my $neigh = find @$_
		1492	or next;
		1493	$neigh->load;
		1494	}
		1495	}
		1496
		1497	sub find_sync {
1290	my ($path, $origin) = @_;	1498	my ($path, $origin) = @_;
1291		1499
1292	#warn "load_map_sync<$path, $origin>\n";#d#	1500	cf::sync_job { find $path, $origin }
		1501	}
1293		1502
1294	cf::sync_job {	1503	sub do_load_sync {
1295	my $map = cf::map::find_map $path, $origin	1504	my ($map) = @_;
1296	or return;	1505
		1506	cf::sync_job { $map->load };
		1507	}
		1508
		1509	our %MAP_PREFETCH;
		1510	our $MAP_PREFETCHER = undef;
		1511
		1512	sub find_async {
		1513	my ($path, $origin) = @_;
		1514
		1515	$path = normalise $path, $origin && $origin->{path};
		1516
		1517	if (my $map = $cf::MAP{$path}) {
		1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1519	}
		1520
		1521	undef $MAP_PREFETCH{$path};
		1522	$MAP_PREFETCHER ||= cf::async {
		1523	while (%MAP_PREFETCH) {
		1524	for my $path (keys %MAP_PREFETCH) {
		1525	my $map = find $path
		1526	or next;
1297	$map->load;	1527	$map->load;
1298	$map	1528
		1529	delete $MAP_PREFETCH{$path};
		1530	}
		1531	}
		1532	undef $MAP_PREFETCHER;
1299	}	1533	};
		1534	$MAP_PREFETCHER->prio (6);
		1535
		1536	()
1300	}	1537	}
1301		1538
1302	sub save {	1539	sub save {
1303	my ($self) = @_;	1540	my ($self) = @_;
1304		1541
		1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1543
1305	$self->{last_save} = $cf::RUNTIME;	1544	$self->{last_save} = $cf::RUNTIME;
1306		1545
1307	return unless $self->dirty;	1546	return unless $self->dirty;
1308		1547
1309	my $save = $self->{path}->save_path; utf8::encode $save;	1548	my $save = $self->save_path; utf8::encode $save;
1310	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1549	my $uniq = $self->uniq_path; utf8::encode $uniq;
1311		1550
1312	$self->{load_path} = $save;	1551	$self->{load_path} = $save;
1313		1552
1314	return if $self->{deny_save};	1553	return if $self->{deny_save};
1315		1554
		1555	local $self->{last_access} = $self->last_access;#d#
		1556
		1557	cf::async {
		1558	$_->contr->save for $self->players;
		1559	};
		1560
1316	if ($uniq) {	1561	if ($uniq) {
1317	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318	$self->save_objects ($uniq, cf::IO_UNIQUES);	1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1319	} else {	1564	} else {
1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1565	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1321	}	1566	}
1322	}	1567	}
1323		1568
1324	sub swap_out {	1569	sub swap_out {
1325	my ($self) = @_;	1570	my ($self) = @_;
		1571
		1572	# save first because save cedes
		1573	$self->save;
		1574
		1575	my $lock = cf::lock_acquire "map_data:" . $self->path;
1326		1576
1327	return if $self->players;	1577	return if $self->players;
1328	return if $self->in_memory != cf::MAP_IN_MEMORY;	1578	return if $self->in_memory != cf::MAP_IN_MEMORY;
1329	return if $self->{deny_save};	1579	return if $self->{deny_save};
1330		1580
1331	$self->save;
1332	$self->clear;	1581	$self->clear;
1333	$self->in_memory (cf::MAP_SWAPPED);	1582	$self->in_memory (cf::MAP_SWAPPED);
1334	}	1583	}
1335		1584
1336	sub reset_at {	1585	sub reset_at {
1337	my ($self) = @_;	1586	my ($self) = @_;
1338		1587
1339	# TODO: safety, remove and allow resettable per-player maps	1588	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};	1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1341	return 1e99 if $self->{deny_reset};	1590	return 1e99 if $self->{deny_reset};
1342		1591
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345		1594
…		…
1350	my ($self) = @_;	1599	my ($self) = @_;
1351		1600
1352	$self->reset_at <= $cf::RUNTIME	1601	$self->reset_at <= $cf::RUNTIME
1353	}	1602	}
1354		1603
1355	sub unlink_save {
1356	my ($self) = @_;
1357
1358	utf8::encode (my $save = $self->{path}->save_path);
1359	aioreq_pri 3; IO::AIO::aio_unlink $save;
1360	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1361	}
1362
1363	sub rename {
1364	my ($self, $new_path) = @_;
1365
1366	$self->unlink_save;
1367
1368	delete $cf::MAP{$self->path};
1369	$self->{path} = new cf::path $new_path;
1370	$self->path ($self->{path}->as_string);
1371	$cf::MAP{$self->path} = $self;
1372
1373	$self->save;
1374	}
1375
1376	sub reset {	1604	sub reset {
1377	my ($self) = @_;	1605	my ($self) = @_;
1378		1606
		1607	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1608
1379	return if $self->players;	1609	return if $self->players;
1380	return if $self->{path}{user_rel};#d#	1610	return if $self->isa ("ext::map_per_player");#d#
1381		1611
1382	warn "resetting map ", $self->path;#d#	1612	warn "resetting map ", $self->path;#d#
1383		1613
1384	delete $cf::MAP{$self->path};	1614	delete $cf::MAP{$self->path};
		1615
		1616	$self->in_memory (cf::MAP_SWAPPED);
		1617	$self->clear;
1385		1618
1386	$_->clear_links_to ($self) for values %cf::MAP;	1619	$_->clear_links_to ($self) for values %cf::MAP;
1387		1620
1388	$self->unlink_save;	1621	$self->unlink_save;
1389	$self->destroy;	1622	$self->destroy;
…		…
1392	my $nuke_counter = "aaaa";	1625	my $nuke_counter = "aaaa";
1393		1626
1394	sub nuke {	1627	sub nuke {
1395	my ($self) = @_;	1628	my ($self) = @_;
1396		1629
		1630	delete $cf::MAP{$self->path};
		1631
		1632	$self->unlink_save;
		1633
		1634	bless $self, "cf::map";
		1635	delete $self->{deny_reset};
1397	$self->{deny_save} = 1;	1636	$self->{deny_save} = 1;
1398	$self->reset_timeout (1);	1637	$self->reset_timeout (1);
1399	$self->rename ("{nuke}/" . ($nuke_counter++));	1638	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1639
		1640	$cf::MAP{$self->path} = $self;
		1641
1400	$self->reset; # polite request, might not happen	1642	$self->reset; # polite request, might not happen
1401	}	1643	}
1402		1644
1403	sub customise_for {	1645	=item cf::map::unique_maps
1404	my ($map, $ob) = @_;
1405		1646
1406	if ($map->per_player) {	1647	Returns an arrayref of paths of all shared maps that have
1407	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1648	instantiated unique items. May block.
1408	}
1409		1649
1410	$map	1650	=cut
1411	}
1412		1651
1413	sub emergency_save {	1652	sub unique_maps() {
1414	local $cf::FREEZE = 1;	1653	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1654	or return;
1415		1655
1416	warn "enter emergency map save\n";	1656	my @paths;
1417		1657
1418	cf::sync_job {	1658	for (@$files) {
1419	warn "begin emergency map save\n";	1659	utf8::decode $_;
1420	$_->save for values %cf::MAP;	1660	next if /\.pst$/;
		1661	next unless /^$PATH_SEP/o;
		1662
		1663	push @paths, cf::map::normalise $_;
1421	};	1664	}
1422		1665
1423	warn "end emergency map save\n";	1666	\@paths
1424	}	1667	}
1425		1668
1426	package cf;	1669	package cf;
1427		1670
1428	=back	1671	=back
1429		1672
		1673	=head3 cf::object
		1674
		1675	=cut
		1676
		1677	package cf::object;
		1678
		1679	=over 4
		1680
		1681	=item $ob->inv_recursive
		1682
		1683	Returns the inventory of the object _and_ their inventories, recursively.
		1684
		1685	=cut
		1686
		1687	sub inv_recursive_;
		1688	sub inv_recursive_ {
		1689	map { $_, inv_recursive_ $_->inv } @_
		1690	}
		1691
		1692	sub inv_recursive {
		1693	inv_recursive_ inv $_[0]
		1694	}
		1695
		1696	package cf;
		1697
		1698	=back
1430		1699
1431	=head3 cf::object::player	1700	=head3 cf::object::player
1432		1701
1433	=over 4	1702	=over 4
1434		1703
…		…
1474		1743
1475	=item $player_object->enter_link	1744	=item $player_object->enter_link
1476		1745
1477	Freezes the player and moves him/her to a special map (C<{link}>).	1746	Freezes the player and moves him/her to a special map (C<{link}>).
1478		1747
1479	The player should be reaosnably safe there for short amounts of time. You	1748	The player should be reasonably safe there for short amounts of time. You
1480	I<MUST> call C<leave_link> as soon as possible, though.	1749	I<MUST> call C<leave_link> as soon as possible, though.
1481		1750
		1751	Will never block.
		1752
1482	=item $player_object->leave_link ($map, $x, $y)	1753	=item $player_object->leave_link ($map, $x, $y)
1483		1754
1484	Moves the player out of the specila link map onto the given map. If the	1755	Moves the player out of the special C<{link}> map onto the specified
1485	map is not valid (or omitted), the player will be moved back to the	1756	map. If the map is not valid (or omitted), the player will be moved back
1486	location he/she was before the call to C<enter_link>, or, if that fails,	1757	to the location he/she was before the call to C<enter_link>, or, if that
1487	to the emergency map position.	1758	fails, to the emergency map position.
1488		1759
1489	Might block.	1760	Might block.
1490		1761
1491	=cut	1762	=cut
		1763
		1764	sub link_map {
		1765	unless ($LINK_MAP) {
		1766	$LINK_MAP = cf::map::find "{link}"
		1767	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1768	$LINK_MAP->load;
		1769	}
		1770
		1771	$LINK_MAP
		1772	}
1492		1773
1493	sub cf::object::player::enter_link {	1774	sub cf::object::player::enter_link {
1494	my ($self) = @_;	1775	my ($self) = @_;
1495		1776
1496	$self->deactivate_recursive;	1777	$self->deactivate_recursive;
1497		1778
1498	return if $self->map == $LINK_MAP;	1779	return if UNIVERSAL::isa $self->map, "ext::map_link";
1499		1780
1500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1781	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1501	if $self->map;	1782	if $self->map;
1502		1783
1503	$self->enter_map ($LINK_MAP, 20, 20);	1784	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1504	}	1785	}
1505		1786
1506	sub cf::object::player::leave_link {	1787	sub cf::object::player::leave_link {
1507	my ($self, $map, $x, $y) = @_;	1788	my ($self, $map, $x, $y) = @_;
1508		1789
1509	my $link_pos = delete $self->{_link_pos};	1790	my $link_pos = delete $self->{_link_pos};
1510		1791
1511	unless ($map) {	1792	unless ($map) {
1512	# restore original map position	1793	# restore original map position
1513	($map, $x, $y) = @{ $link_pos || [] };	1794	($map, $x, $y) = @{ $link_pos || [] };
1514	$map = cf::map::find_map $map;	1795	$map = cf::map::find $map;
1515		1796
1516	unless ($map) {	1797	unless ($map) {
1517	($map, $x, $y) = @$EMERGENCY_POSITION;	1798	($map, $x, $y) = @$EMERGENCY_POSITION;
1518	$map = cf::map::find_map $map	1799	$map = cf::map::find $map
1519	or die "FATAL: cannot load emergency map\n";	1800	or die "FATAL: cannot load emergency map\n";
1520	}	1801	}
1521	}	1802	}
1522		1803
1523	($x, $y) = (-1, -1)	1804	($x, $y) = (-1, -1)
…		…
1526	# use -1 or undef as default coordinates, not 0, 0	1807	# use -1 or undef as default coordinates, not 0, 0
1527	($x, $y) = ($map->enter_x, $map->enter_y)	1808	($x, $y) = ($map->enter_x, $map->enter_y)
1528	if $x <=0 && $y <= 0;	1809	if $x <=0 && $y <= 0;
1529		1810
1530	$map->load;	1811	$map->load;
		1812	$map->load_diag;
1531		1813
		1814	return unless $self->contr->active;
1532	$self->activate_recursive;	1815	$self->activate_recursive;
1533	$self->enter_map ($map, $x, $y);	1816	$self->enter_map ($map, $x, $y);
1534	}	1817	}
1535		1818
1536	cf::player->attach (	1819	cf::player->attach (
…		…
1549		1832
1550	# try to abort aborted map switching on player login :)	1833	# try to abort aborted map switching on player login :)
1551	# should happen only on crashes	1834	# should happen only on crashes
1552	if ($pl->ob->{_link_pos}) {	1835	if ($pl->ob->{_link_pos}) {
1553	$pl->ob->enter_link;	1836	$pl->ob->enter_link;
1554	cf::async {	1837	(async {
1555	# we need this sleep as the login has a concurrent enter_exit running	1838	# we need this sleep as the login has a concurrent enter_exit running
1556	# and this sleep increases chances of the player not ending up in scorn	1839	# and this sleep increases chances of the player not ending up in scorn
		1840	$pl->ob->reply (undef,
		1841	"There was an internal problem at your last logout, "
		1842	. "the server will try to bring you to your intended destination in a second.",
		1843	cf::NDI_RED);
1557	Coro::Timer::sleep 1;	1844	Coro::Timer::sleep 1;
1558	$pl->ob->leave_link;	1845	$pl->ob->leave_link;
1559	};	1846	})->prio (2);
1560	}	1847	}
1561	},	1848	},
1562	);	1849	);
1563		1850
1564	=item $player_object->goto_map ($path, $x, $y)	1851	=item $player_object->goto ($path, $x, $y)
1565		1852
1566	=cut	1853	=cut
1567		1854
1568	sub cf::object::player::goto_map {	1855	sub cf::object::player::goto {
1569	my ($self, $path, $x, $y) = @_;	1856	my ($self, $path, $x, $y) = @_;
1570		1857
1571	$self->enter_link;	1858	$self->enter_link;
1572		1859
1573	(cf::async {	1860	(async {
1574	$path = new cf::path $path;	1861	my $map = eval {
1575
1576	my $map = cf::map::find_map $path->as_string;	1862	my $map = cf::map::find $path;
1577	$map = $map->customise_for ($self) if $map;	1863	$map = $map->customise_for ($self) if $map;
1578		1864	$map
1579	# warn "entering ", $map->path, " at ($x, $y)\n"	1865	} or
1580	# if $map;
1581
1582	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1866	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1583		1867
1584	$self->leave_link ($map, $x, $y);	1868	$self->leave_link ($map, $x, $y);
1585	})->prio (1);	1869	})->prio (1);
1586	}	1870	}
1587		1871
…		…
1591		1875
1592	sub parse_random_map_params {	1876	sub parse_random_map_params {
1593	my ($spec) = @_;	1877	my ($spec) = @_;
1594		1878
1595	my $rmp = { # defaults	1879	my $rmp = { # defaults
1596	xsize => 10,	1880	xsize => (cf::rndm 15, 40),
1597	ysize => 10,	1881	ysize => (cf::rndm 15, 40),
		1882	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1883	#layout => string,
1598	};	1884	};
1599		1885
1600	for (split /\n/, $spec) {	1886	for (split /\n/, $spec) {
1601	my ($k, $v) = split /\s+/, $_, 2;	1887	my ($k, $v) = split /\s+/, $_, 2;
1602		1888
…		…
1606	$rmp	1892	$rmp
1607	}	1893	}
1608		1894
1609	sub prepare_random_map {	1895	sub prepare_random_map {
1610	my ($exit) = @_;	1896	my ($exit) = @_;
		1897
		1898	my $guard = cf::lock_acquire "exit_prepare:$exit";
1611		1899
1612	# all this does is basically replace the /! path by	1900	# all this does is basically replace the /! path by
1613	# a new random map path (?random/...) with a seed	1901	# a new random map path (?random/...) with a seed
1614	# that depends on the exit object	1902	# that depends on the exit object
1615		1903
1616	my $rmp = parse_random_map_params $exit->msg;	1904	my $rmp = parse_random_map_params $exit->msg;
1617		1905
1618	if ($exit->map) {	1906	if ($exit->map) {
1619	$rmp->{region} = $exit->map->region_name;	1907	$rmp->{region} = $exit->region->name;
1620	$rmp->{origin_map} = $exit->map->path;	1908	$rmp->{origin_map} = $exit->map->path;
1621	$rmp->{origin_x} = $exit->x;	1909	$rmp->{origin_x} = $exit->x;
1622	$rmp->{origin_y} = $exit->y;	1910	$rmp->{origin_y} = $exit->y;
1623	}	1911	}
1624		1912
1625	$rmp->{random_seed} ||= $exit->random_seed;	1913	$rmp->{random_seed} ||= $exit->random_seed;
1626		1914
1627	my $data = cf::to_json $rmp;	1915	my $data = cf::to_json $rmp;
1628	my $md5 = Digest::MD5::md5_hex $data;	1916	my $md5 = Digest::MD5::md5_hex $data;
		1917	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1629		1918
1630	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1919	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1631	aio_write $fh, 0, (length $data), $data, 0;	1920	aio_write $fh, 0, (length $data), $data, 0;
		1921	undef $fh;
		1922	aio_rename "$meta~", $meta;
1632		1923
1633	$exit->slaying ("?random/$md5");	1924	$exit->slaying ("?random/$md5");
1634	$exit->msg (undef);	1925	$exit->msg (undef);
1635	}	1926	}
1636	}	1927	}
…		…
1638	sub cf::object::player::enter_exit {	1929	sub cf::object::player::enter_exit {
1639	my ($self, $exit) = @_;	1930	my ($self, $exit) = @_;
1640		1931
1641	return unless $self->type == cf::PLAYER;	1932	return unless $self->type == cf::PLAYER;
1642		1933
		1934	if ($exit->slaying eq "/!") {
		1935	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1936	cf::sync_job { prepare_random_map $exit };
		1937	}
		1938
		1939	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1940	my $hp = $exit->stats->hp;
		1941	my $sp = $exit->stats->sp;
		1942
1643	$self->enter_link;	1943	$self->enter_link;
1644		1944
1645	(cf::async {	1945	(async {
		1946	$self->deactivate_recursive; # just to be sure
1646	unless (eval {	1947	unless (eval {
1647	prepare_random_map $exit	1948	$self->goto ($slaying, $hp, $sp);
1648	if $exit->slaying eq "/!";
1649
1650	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1651	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1652		1949
1653	1;	1950	1;
1654	}) {	1951	}) {
1655	$self->message ("Something went wrong deep within the crossfire server. "	1952	$self->message ("Something went wrong deep within the crossfire server. "
1656	. "I'll try to bring you back to the map you were before. "	1953	. "I'll try to bring you back to the map you were before. "
1657	. "Please report this to the dungeon master",	1954	. "Please report this to the dungeon master!",
1658	cf::NDI_UNIQUE | cf::NDI_RED);	1955	cf::NDI_UNIQUE | cf::NDI_RED);
1659		1956
1660	warn "ERROR in enter_exit: $@";	1957	warn "ERROR in enter_exit: $@";
1661	$self->leave_link;	1958	$self->leave_link;
1662	}	1959	}
…		…
1713	on_reply => sub {	2010	on_reply => sub {
1714	my ($ns, $msg) = @_;	2011	my ($ns, $msg) = @_;
1715		2012
1716	# this weird shuffling is so that direct followup queries	2013	# this weird shuffling is so that direct followup queries
1717	# get handled first	2014	# get handled first
1718	my $queue = delete $ns->{query_queue};	2015	my $queue = delete $ns->{query_queue}
		2016	or return; # be conservative, not sure how that can happen, but we saw a crash here
1719		2017
1720	(shift @$queue)->[1]->($msg);	2018	(shift @$queue)->[1]->($msg);
		2019	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1721		2020
1722	push @{ $ns->{query_queue} }, @$queue;	2021	push @{ $ns->{query_queue} }, @$queue;
1723		2022
1724	if (@{ $ns->{query_queue} } == @$queue) {	2023	if (@{ $ns->{query_queue} } == @$queue) {
1725	if (@$queue) {	2024	if (@$queue) {
…		…
1729	}	2028	}
1730	}	2029	}
1731	},	2030	},
1732	);	2031	);
1733		2032
1734	=item $client->coro (\&cb)	2033	=item $client->async (\&cb)
1735		2034
1736	Create a new coroutine, running the specified callback. The coroutine will	2035	Create a new coroutine, running the specified callback. The coroutine will
1737	be automatically cancelled when the client gets destroyed (e.g. on logout,	2036	be automatically cancelled when the client gets destroyed (e.g. on logout,
1738	or loss of connection).	2037	or loss of connection).
1739		2038
1740	=cut	2039	=cut
1741		2040
1742	sub cf::client::coro {	2041	sub cf::client::async {
1743	my ($self, $cb) = @_;	2042	my ($self, $cb) = @_;
1744		2043
1745	my $coro = &cf::async ($cb);	2044	my $coro = &Coro::async ($cb);
1746		2045
1747	$coro->on_destroy (sub {	2046	$coro->on_destroy (sub {
1748	delete $self->{_coro}{$coro+0};	2047	delete $self->{_coro}{$coro+0};
1749	});	2048	});
1750		2049
…		…
1886	The parameter C<$family> should best start with the name of the extension	2185	The parameter C<$family> should best start with the name of the extension
1887	using it, it should be unique.	2186	using it, it should be unique.
1888		2187
1889	=over 4	2188	=over 4
1890		2189
1891	=item $hashref = cf::db_get $family
1892
1893	Return a hashref for use by the extension C<$family>, which can be
1894	modified. After modifications, you have to call C<cf::db_dirty> or
1895	C<cf::db_sync>.
1896
1897	=item $value = cf::db_get $family => $key	2190	=item $value = cf::db_get $family => $key
1898		2191
1899	Returns a single value from the database	2192	Returns a single value from the database.
1900
1901	=item cf::db_put $family => $hashref
1902
1903	Stores the given family hashref into the database. Updates are delayed, if
1904	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1905		2193
1906	=item cf::db_put $family => $key => $value	2194	=item cf::db_put $family => $key => $value
1907		2195
1908	Stores the given C<$value> in the family hash. Updates are delayed, if you	2196	Stores the given C<$value> in the family.
1909	want the data to be synced to disk immediately, use C<cf::db_sync>.
1910
1911	=item cf::db_dirty
1912
1913	Marks the database as dirty, to be updated at a later time.
1914
1915	=item cf::db_sync
1916
1917	Immediately write the database to disk I<if it is dirty>.
1918		2197
1919	=cut	2198	=cut
1920		2199
1921	our $DB;	2200	our $DB;
1922		2201
1923	{	2202	sub db_load() {
		2203	unless ($DB) {
		2204	$DB = BDB::db_create $DB_ENV;
		2205
		2206	cf::sync_job {
		2207	eval {
		2208	$DB->set_flags (BDB::CHKSUM);
		2209
		2210	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2211	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2212	cf::cleanup "db_open(db): $!" if $!;
		2213	};
		2214	cf::cleanup "db_open(db): $@" if $@;
		2215	};
		2216
1924	my $path = cf::localdir . "/database.pst";	2217	my $path = cf::localdir . "/database.pst";
		2218	if (stat $path) {
		2219	cf::sync_job {
		2220	my $pst = Storable::retrieve $path;
1925		2221
1926	sub db_load() {	2222	cf::db_put (board => data => $pst->{board});
1927	$DB = stat $path ? Storable::retrieve $path : { };	2223	cf::db_put (guildrules => data => $pst->{guildrules});
1928	}	2224	cf::db_put (rent => balance => $pst->{rent}{balance});
		2225	BDB::db_env_txn_checkpoint $DB_ENV;
1929		2226
1930	my $pid;	2227	unlink $path;
1931
1932	sub db_save() {
1933	waitpid $pid, 0 if $pid;
1934	if (0 == ($pid = fork)) {
1935	$DB->{_meta}{version} = 1;
1936	Storable::nstore $DB, "$path~";
1937	rename "$path~", $path;
1938	cf::_exit 0 if defined $pid;
1939	}	2228	};
1940	}
1941
1942	my $dirty;
1943
1944	sub db_sync() {
1945	db_save if $dirty;
1946	undef $dirty;
1947	}
1948
1949	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1950	db_sync;
1951	});
1952
1953	sub db_dirty() {
1954	$dirty = 1;
1955	$idle->start;
1956	}
1957
1958	sub db_get($;$) {
1959	@_ >= 2
1960	? $DB->{$_[0]}{$_[1]}
1961	: ($DB->{$_[0]} ||= { })
1962	}
1963
1964	sub db_put($$;$) {
1965	if (@_ >= 3) {
1966	$DB->{$_[0]}{$_[1]} = $_[2];
1967	} else {
1968	$DB->{$_[0]} = $_[1];
1969	}
1970	db_dirty;
1971	}
1972
1973	cf::global->attach (
1974	prio => 10000,
1975	on_cleanup => sub {
1976	db_sync;
1977	},	2229	}
1978	);	2230	}
		2231	}
		2232
		2233	sub db_get($$) {
		2234	my $key = "$_[0]/$_[1]";
		2235
		2236	cf::sync_job {
		2237	BDB::db_get $DB, undef, $key, my $data;
		2238
		2239	$! ? ()
		2240	: Compress::LZF::sthaw $data
		2241	}
		2242	}
		2243
		2244	sub db_put($$$) {
		2245	BDB::dbreq_pri 4;
		2246	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1979	}	2247	}
1980		2248
1981	#############################################################################	2249	#############################################################################
1982	# the server's main()	2250	# the server's init and main functions
		2251
		2252	sub load_resources {
		2253	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2254	or die "unable to load regions file\n";#d#
		2255	}
1983		2256
1984	sub cfg_load {	2257	sub cfg_load {
1985	open my $fh, "<:utf8", cf::confdir . "/config"	2258	open my $fh, "<:utf8", cf::confdir . "/config"
1986	or return;	2259	or return;
1987		2260
1988	local $/;	2261	local $/;
1989	*CFG = YAML::Syck::Load <$fh>;	2262	*CFG = YAML::Syck::Load <$fh>;
		2263
		2264	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2265
		2266	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2267	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2268
		2269	if (exists $CFG{mlockall}) {
		2270	eval {
		2271	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2272	and die "WARNING: m(un)lockall failed: $!\n";
		2273	};
		2274	warn $@ if $@;
		2275	}
		2276	}
		2277
		2278	sub init {
		2279	load_resources;
1990	}	2280	}
1991		2281
1992	sub main {	2282	sub main {
1993	# we must not ever block the main coroutine	2283	# we must not ever block the main coroutine
1994	local $Coro::idle = sub {	2284	local $Coro::idle = sub {
1995	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2285	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1996	(Coro::unblock_sub {	2286	(async {
1997	Event::one_event;	2287	Event::one_event;
1998	})->();	2288	})->prio (Coro::PRIO_MAX);
1999	};	2289	};
2000		2290
2001	cfg_load;	2291	cfg_load;
2002	db_load;	2292	db_load;
2003	load_extensions;	2293	load_extensions;
		2294
		2295	$TICK_WATCHER->start;
2004	Event::loop;	2296	Event::loop;
2005	}	2297	}
2006		2298
2007	#############################################################################	2299	#############################################################################
2008	# initialisation	2300	# initialisation and cleanup
		2301
		2302	# install some emergency cleanup handlers
		2303	BEGIN {
		2304	for my $signal (qw(INT HUP TERM)) {
		2305	Event->signal (
		2306	reentrant => 0,
		2307	data => WF_AUTOCANCEL,
		2308	signal => $signal,
		2309	prio => 0,
		2310	cb => sub {
		2311	cf::cleanup "SIG$signal";
		2312	},
		2313	);
		2314	}
		2315	}
		2316
		2317	sub emergency_save() {
		2318	my $freeze_guard = cf::freeze_mainloop;
		2319
		2320	warn "enter emergency perl save\n";
		2321
		2322	cf::sync_job {
		2323	# use a peculiar iteration method to avoid tripping on perl
		2324	# refcount bugs in for. also avoids problems with players
		2325	# and maps saved/destroyed asynchronously.
		2326	warn "begin emergency player save\n";
		2327	for my $login (keys %cf::PLAYER) {
		2328	my $pl = $cf::PLAYER{$login} or next;
		2329	$pl->valid or next;
		2330	$pl->save;
		2331	}
		2332	warn "end emergency player save\n";
		2333
		2334	warn "begin emergency map save\n";
		2335	for my $path (keys %cf::MAP) {
		2336	my $map = $cf::MAP{$path} or next;
		2337	$map->valid or next;
		2338	$map->save;
		2339	}
		2340	warn "end emergency map save\n";
		2341
		2342	warn "begin emergency database checkpoint\n";
		2343	BDB::db_env_txn_checkpoint $DB_ENV;
		2344	warn "end emergency database checkpoint\n";
		2345	};
		2346
		2347	warn "leave emergency perl save\n";
		2348	}
2009		2349
2010	sub reload() {	2350	sub reload() {
2011	# can/must only be called in main	2351	# can/must only be called in main
2012	if ($Coro::current != $Coro::main) {	2352	if ($Coro::current != $Coro::main) {
2013	warn "can only reload from main coroutine\n";	2353	warn "can only reload from main coroutine";
2014	return;	2354	return;
2015	}	2355	}
2016		2356
2017	warn "reloading...";	2357	warn "reloading...";
2018		2358
2019	local $FREEZE = 1;	2359	warn "cancelling server ticker";
		2360	$TICK_WATCHER->cancel;
		2361
2020	cf::emergency_save;	2362	cf::emergency_save;
2021		2363
2022	eval {	2364	eval {
2023	# if anything goes wrong in here, we should simply crash as we already saved	2365	# if anything goes wrong in here, we should simply crash as we already saved
2024		2366
2025	# cancel all watchers	2367	warn "cancelling all WF_AUTOCANCEL watchers";
2026	for (Event::all_watchers) {	2368	for (Event::all_watchers) {
2027	$_->cancel if $_->data & WF_AUTOCANCEL;	2369	$_->cancel if $_->data & WF_AUTOCANCEL;
2028	}	2370	}
2029		2371
		2372	warn "syncing database to disk";
		2373	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		2374
		2375	warn "flushing outstanding aio requests";
		2376	for (;;) {
		2377	BDB::flush;
		2378	IO::AIO::flush;
		2379	Coro::cede;
		2380	last unless IO::AIO::nreqs || BDB::nreqs;
		2381	warn "iterate...";
		2382	}
		2383
2030	# cancel all extension coros	2384	warn "cancelling all extension coros";
2031	$_->cancel for values %EXT_CORO;	2385	$_->cancel for values %EXT_CORO;
2032	%EXT_CORO = ();	2386	%EXT_CORO = ();
2033		2387
2034	# unload all extensions	2388	warn "removing commands";
2035	for (@exts) {	2389	%COMMAND = ();
		2390
		2391	warn "removing ext commands";
		2392	%EXTCMD = ();
		2393
		2394	warn "unloading/nuking all extensions";
		2395	for my $pkg (@EXTS) {
2036	warn "unloading <$_>";	2396	warn "... unloading $pkg";
2037	unload_extension $_;	2397
		2398	if (my $cb = $pkg->can ("unload")) {
		2399	eval {
		2400	$cb->($pkg);
		2401	1
		2402	} or warn "$pkg unloaded, but with errors: $@";
2038	}	2403	}
2039		2404
		2405	warn "... nuking $pkg";
		2406	Symbol::delete_package $pkg;
		2407	}
		2408
2040	# unload all modules loaded from $LIBDIR	2409	warn "unloading all perl modules loaded from $LIBDIR";
2041	while (my ($k, $v) = each %INC) {	2410	while (my ($k, $v) = each %INC) {
2042	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2411	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2043		2412
2044	warn "removing <$k>";	2413	warn "... unloading $k";
2045	delete $INC{$k};	2414	delete $INC{$k};
2046		2415
2047	$k =~ s/\.pm$//;	2416	$k =~ s/\.pm$//;
2048	$k =~ s/\//::/g;	2417	$k =~ s/\//::/g;
2049		2418
…		…
2052	}	2421	}
2053		2422
2054	Symbol::delete_package $k;	2423	Symbol::delete_package $k;
2055	}	2424	}
2056		2425
2057	# sync database to disk
2058	cf::db_sync;
2059	IO::AIO::flush;
2060
2061	# get rid of safe::, as good as possible	2426	warn "getting rid of safe::, as good as possible";
2062	Symbol::delete_package "safe::$_"	2427	Symbol::delete_package "safe::$_"
2063	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2428	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2064		2429
2065	# remove register_script_function callbacks
2066	# TODO
2067
2068	# unload cf.pm "a bit"	2430	warn "unloading cf.pm \"a bit\"";
2069	delete $INC{"cf.pm"};	2431	delete $INC{"cf.pm"};
2070		2432
2071	# don't, removes xs symbols, too,	2433	# don't, removes xs symbols, too,
2072	# and global variables created in xs	2434	# and global variables created in xs
2073	#Symbol::delete_package __PACKAGE__;	2435	#Symbol::delete_package __PACKAGE__;
2074		2436
2075	# reload cf.pm	2437	warn "unload completed, starting to reload now";
		2438
2076	warn "reloading cf.pm";	2439	warn "reloading cf.pm";
2077	require cf;	2440	require cf;
2078	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2441	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2079		2442
2080	# load config and database again	2443	warn "loading config and database again";
2081	cf::cfg_load;	2444	cf::cfg_load;
2082	cf::db_load;	2445	cf::db_load;
2083		2446
2084	# load extensions
2085	warn "load extensions";	2447	warn "loading extensions";
2086	cf::load_extensions;	2448	cf::load_extensions;
2087		2449
2088	# reattach attachments to objects	2450	warn "reattaching attachments to objects/players";
2089	warn "reattach";
2090	_global_reattach;	2451	_global_reattach;
		2452	warn "reattaching attachments to maps";
		2453	reattach $_ for values %MAP;
		2454
		2455	warn "loading reloadable resources";
		2456	load_resources;
		2457
		2458	warn "restarting server ticker";
		2459
		2460	$TICK_WATCHER->start;
2091	};	2461	};
2092		2462
2093	if ($@) {	2463	if ($@) {
2094	warn $@;	2464	warn $@;
2095	warn "error while reloading, exiting.";	2465	warn "error while reloading, exiting.";
2096	exit 1;	2466	exit 1;
2097	}	2467	}
2098		2468
2099	warn "reloaded successfully";	2469	warn "reloaded";
2100	};	2470	};
2101		2471
2102	#############################################################################	2472	our $RELOAD_WATCHER; # used only during reload
2103
2104	unless ($LINK_MAP) {
2105	$LINK_MAP = cf::map::new;
2106
2107	$LINK_MAP->width (41);
2108	$LINK_MAP->height (41);
2109	$LINK_MAP->alloc;
2110	$LINK_MAP->path ("{link}");
2111	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2112	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2113
2114	# dirty hack because... archetypes are not yet loaded
2115	Event->timer (
2116	after => 2,
2117	cb => sub {
2118	$_[0]->w->cancel;
2119
2120	# provide some exits "home"
2121	my $exit = cf::object::new "exit";
2122
2123	$exit->slaying ($EMERGENCY_POSITION->[0]);
2124	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2125	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2126
2127	$LINK_MAP->insert ($exit->clone, 19, 19);
2128	$LINK_MAP->insert ($exit->clone, 19, 20);
2129	$LINK_MAP->insert ($exit->clone, 19, 21);
2130	$LINK_MAP->insert ($exit->clone, 20, 19);
2131	$LINK_MAP->insert ($exit->clone, 20, 21);
2132	$LINK_MAP->insert ($exit->clone, 21, 19);
2133	$LINK_MAP->insert ($exit->clone, 21, 20);
2134	$LINK_MAP->insert ($exit->clone, 21, 21);
2135
2136	$exit->destroy;
2137	});
2138
2139	$LINK_MAP->{deny_save} = 1;
2140	$LINK_MAP->{deny_reset} = 1;
2141
2142	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2143	}
2144
2145	register "<global>", __PACKAGE__;
2146		2473
2147	register_command "reload" => sub {	2474	register_command "reload" => sub {
2148	my ($who, $arg) = @_;	2475	my ($who, $arg) = @_;
2149		2476
2150	if ($who->flag (FLAG_WIZ)) {	2477	if ($who->flag (FLAG_WIZ)) {
2151	$who->message ("start of reload.");	2478	$who->message ("reloading server.");
		2479
		2480	# doing reload synchronously and two reloads happen back-to-back,
		2481	# coro crashes during coro_state_free->destroy here.
		2482
		2483	$RELOAD_WATCHER ||= Event->timer (
		2484	reentrant => 0,
		2485	after => 0,
		2486	data => WF_AUTOCANCEL,
		2487	cb => sub {
2152	reload;	2488	reload;
2153	$who->message ("end of reload.");	2489	undef $RELOAD_WATCHER;
		2490	},
		2491	);
2154	}	2492	}
2155	};	2493	};
2156		2494
2157	unshift @INC, $LIBDIR;	2495	unshift @INC, $LIBDIR;
		2496
		2497	my $bug_warning = 0;
2158		2498
2159	$TICK_WATCHER = Event->timer (	2499	$TICK_WATCHER = Event->timer (
2160	reentrant => 0,	2500	reentrant => 0,
		2501	parked => 1,
2161	prio => 0,	2502	prio => 0,
2162	at => $NEXT_TICK || $TICK,	2503	at => $NEXT_TICK || $TICK,
2163	data => WF_AUTOCANCEL,	2504	data => WF_AUTOCANCEL,
2164	cb => sub {	2505	cb => sub {
2165	unless ($FREEZE) {	2506	if ($Coro::current != $Coro::main) {
		2507	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2508	unless ++$bug_warning > 10;
		2509	return;
		2510	}
		2511
		2512	$NOW = Event::time;
		2513
2166	cf::server_tick; # one server iteration	2514	cf::server_tick; # one server iteration
2167	$RUNTIME += $TICK;	2515	$RUNTIME += $TICK;
2168	}
2169
2170	$NEXT_TICK += $TICK;	2516	$NEXT_TICK += $TICK;
		2517
		2518	$WAIT_FOR_TICK->broadcast;
		2519	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2520
		2521	Event::sweep;
		2522	Coro::cede_notself;
		2523
		2524	# my $AFTER = Event::time;
		2525	# warn $AFTER - $NOW;#d#
2171		2526
2172	# if we are delayed by four ticks or more, skip them all	2527	# if we are delayed by four ticks or more, skip them all
2173	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2528	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2174		2529
2175	$TICK_WATCHER->at ($NEXT_TICK);	2530	$TICK_WATCHER->at ($NEXT_TICK);
2176	$TICK_WATCHER->start;	2531	$TICK_WATCHER->start;
2177	},	2532	},
2178	);	2533	);
2179		2534
		2535	{
		2536	BDB::max_poll_time $TICK * 0.1;
		2537	$BDB_POLL_WATCHER = Event->io (
		2538	reentrant => 0,
		2539	fd => BDB::poll_fileno,
		2540	poll => 'r',
		2541	prio => 0,
		2542	data => WF_AUTOCANCEL,
		2543	cb => \&BDB::poll_cb,
		2544	);
		2545	BDB::min_parallel 8;
		2546
		2547	BDB::set_sync_prepare {
		2548	my $status;
		2549	my $current = $Coro::current;
		2550	(
		2551	sub {
		2552	$status = $!;
		2553	$current->ready; undef $current;
		2554	},
		2555	sub {
		2556	Coro::schedule while defined $current;
		2557	$! = $status;
		2558	},
		2559	)
		2560	};
		2561
		2562	unless ($DB_ENV) {
		2563	$DB_ENV = BDB::db_env_create;
		2564
		2565	cf::sync_job {
		2566	eval {
		2567	BDB::db_env_open
		2568	$DB_ENV,
		2569	$BDB_ENV_DIR,
		2570	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2571	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2572	0666;
		2573
		2574	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2575
		2576	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2577	$DB_ENV->set_lk_detect;
		2578	};
		2579
		2580	cf::cleanup "db_env_open(db): $@" if $@;
		2581	};
		2582	}
		2583	}
		2584
		2585	{
		2586	IO::AIO::min_parallel 8;
		2587
		2588	undef $Coro::AIO::WATCHER;
2180	IO::AIO::max_poll_time $TICK * 0.2;	2589	IO::AIO::max_poll_time $TICK * 0.1;
2181		2590	$AIO_POLL_WATCHER = Event->io (
2182	Event->io (	2591	reentrant => 0,
2183	fd => IO::AIO::poll_fileno,	2592	fd => IO::AIO::poll_fileno,
2184	poll => 'r',	2593	poll => 'r',
2185	prio => 5,	2594	prio => 6,
2186	data => WF_AUTOCANCEL,	2595	data => WF_AUTOCANCEL,
2187	cb => \&IO::AIO::poll_cb,	2596	cb => \&IO::AIO::poll_cb,
2188	);	2597	);
		2598	}
2189		2599
2190	Event->timer (	2600	$WRITE_RUNTIME_WATCHER = Event->timer (
		2601	reentrant => 0,
2191	data => WF_AUTOCANCEL,	2602	data => WF_AUTOCANCEL,
2192	after => 0,	2603	after => 1,
2193	interval => 10,	2604	interval => 10,
2194	cb => sub {	2605	prio => 6, # keep it lowest so it acts like a watchdog
2195	(Coro::unblock_sub {	2606	cb => Coro::unblock_sub {
2196	write_runtime	2607	write_runtime
2197	or warn "ERROR: unable to write runtime file: $!";	2608	or warn "ERROR: unable to write runtime file: $!";
2198	})->();
2199	},	2609	},
2200	);	2610	);
2201		2611
2202	END { cf::emergency_save }	2612	END { cf::emergency_save }
2203		2613

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