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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 1.213 by root, Tue Feb 13 20:01:04 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3 ();	13	use Coro 3.5 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use BDB ();
		21	use Data::Dumper;
20	use Digest::MD5;	22	use Digest::MD5;
21	use Fcntl;	23	use Fcntl;
22	use IO::AIO 2.31 ();	24	use IO::AIO 2.32 ();
23	use YAML::Syck ();	25	use YAML::Syck ();
24	use Time::HiRes;	26	use Time::HiRes;
		27	use Compress::LZF;
		28
		29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
25		30
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
		32
		33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
27		34
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	36	$YAML::Syck::ImplicitUnicode = 1;
30		37
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		39
35	our %COMMAND = ();	40	our %COMMAND = ();
36	our %COMMAND_TIME = ();	41	our %COMMAND_TIME = ();
		42
		43	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	44	our %EXTCMD = ();
		45	our %EXT_CORO = (); # coroutines bound to extensions
		46	our %EXT_MAP = (); # pluggable maps
38		47
39	our @EVENT;	48	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	49	our $LIBDIR = datadir . "/ext";
41		50
42	our $TICK = MAX_TIME * 1e-6;	51	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	52	our $TICK_WATCHER;
		53	our $AIO_POLL_WATCHER;
		54	our $WRITE_RUNTIME_WATCHER;
44	our $NEXT_TICK;	55	our $NEXT_TICK;
45	our $NOW;	56	our $NOW;
		57	our $USE_FSYNC = 1; # use fsync to write maps - default off
		58
		59	our $BDB_POLL_WATCHER;
		60	our $DB_ENV;
46		61
47	our %CFG;	62	our %CFG;
48		63
49	our $UPTIME; $UPTIME ||= time;	64	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	65	our $RUNTIME;
51		66
		67	our %PLAYER; # all users
52	our %MAP; # all maps	68	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	69	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	70	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	71	our $BDB_ENV_DIR = cf::localdir . "/db";
		72
		73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		75
		76	# used to convert map paths into valid unix filenames by replacing / by ∕
		77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		78
58	binmode STDOUT;	79	binmode STDOUT;
59	binmode STDERR;	80	binmode STDERR;
60		81
61	# read virtual server time, if available	82	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	89	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	90	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	91	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	92	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	93	mkdir $RANDOM_MAPS;
		94	mkdir $BDB_ENV_DIR;
73		95
74	# a special map that is always available
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	96	our $EMERGENCY_POSITION;
		97
		98	sub cf::map::normalise;
77		99
78	#############################################################################	100	#############################################################################
79		101
80	=head2 GLOBAL VARIABLES	102	=head2 GLOBAL VARIABLES
81		103
…		…
105		127
106	=item %cf::CFG	128	=item %cf::CFG
107		129
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	130	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	from wherever your confdir points to.	131	from wherever your confdir points to.
		132
		133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		134
		135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		137	processing has been done. Call C<< ->wait >> on them to maximise the
		138	window of cpu time available, or simply to synchronise to the server tick.
110		139
111	=back	140	=back
112		141
113	=cut	142	=cut
114		143
…		…
118	utf8::encode $msg;	147	utf8::encode $msg;
119		148
120	$msg .= "\n"	149	$msg .= "\n"
121	unless $msg =~ /\n$/;	150	unless $msg =~ /\n$/;
122		151
123	LOG llevError, "cfperl: $msg";	152	LOG llevError, $msg;
124	};	153	};
125	}	154	}
126		155
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
146		175
147	$Event::DIED = sub {	176	$Event::DIED = sub {
148	warn "error in event callback: @_";	177	warn "error in event callback: @_";
149	};	178	};
150		179
151	my %ext_pkg;
152	my @exts;
153	my @hook;
154
155	=head2 UTILITY FUNCTIONS	180	=head2 UTILITY FUNCTIONS
156		181
157	=over 4	182	=over 4
158		183
		184	=item dumpval $ref
		185
159	=cut	186	=cut
		187
		188	sub dumpval {
		189	eval {
		190	local $SIG{__DIE__};
		191	my $d;
		192	if (1) {
		193	$d = new Data::Dumper([$_[0]], ["*var"]);
		194	$d->Terse(1);
		195	$d->Indent(2);
		196	$d->Quotekeys(0);
		197	$d->Useqq(1);
		198	#$d->Bless(...);
		199	$d->Seen($_[1]) if @_ > 1;
		200	$d = $d->Dump();
		201	}
		202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		203	$d
		204	} || "[unable to dump $_[0]: '$@']";
		205	}
160		206
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	207	use JSON::Syck (); # TODO# replace by JSON::PC once working
162		208
163	=item $ref = cf::from_json $json	209	=item $ref = cf::from_json $json
164		210
…		…
180	sub to_json($) {	226	sub to_json($) {
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
182	JSON::Syck::Dump $_[0]	228	JSON::Syck::Dump $_[0]
183	}	229	}
184		230
185	=item my $guard = cf::guard { BLOCK }
186
187	Run the given callback when the guard object gets destroyed (useful for
188	coroutine cancellations).
189
190	You can call C<< ->cancel >> on the guard object to stop the block from
191	being executed.
192
193	=cut
194
195	sub guard(&) {
196	bless \(my $cb = $_[0]), cf::guard::;
197	}
198
199	sub cf::guard::cancel {
200	${$_[0]} = sub { };
201	}
202
203	sub cf::guard::DESTROY {
204	${$_[0]}->();
205	}
206
207	=item cf::lock_wait $string	231	=item cf::lock_wait $string
208		232
209	Wait until the given lock is available. See cf::lock_acquire.	233	Wait until the given lock is available. See cf::lock_acquire.
210		234
211	=item my $lock = cf::lock_acquire $string	235	=item my $lock = cf::lock_acquire $string
212		236
213	Wait until the given lock is available and then acquires it and returns	237	Wait until the given lock is available and then acquires it and returns
214	a guard object. If the guard object gets destroyed (goes out of scope,	238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
215	for example when the coroutine gets canceled), the lock is automatically	239	for example when the coroutine gets canceled), the lock is automatically
216	returned.	240	returned.
217		241
218	Lock names should begin with a unique identifier (for example, find_map	242	Lock names should begin with a unique identifier (for example, cf::map::find
219	uses map_find and load_map uses map_load).	243	uses map_find and cf::map::load uses map_load).
220		244
221	=cut	245	=cut
222		246
223	our %LOCK;	247	our %LOCK;
224		248
…		…
238	# wait, to be sure we are not locked	262	# wait, to be sure we are not locked
239	lock_wait $key;	263	lock_wait $key;
240		264
241	$LOCK{$key} = [];	265	$LOCK{$key} = [];
242		266
243	cf::guard {	267	Coro::guard {
244	# wake up all waiters, to be on the safe side	268	# wake up all waiters, to be on the safe side
245	$_->ready for @{ delete $LOCK{$key} };	269	$_->ready for @{ delete $LOCK{$key} };
246	}	270	}
247	}	271	}
248		272
		273	sub freeze_mainloop {
		274	return unless $TICK_WATCHER->is_active;
		275
		276	my $guard = Coro::guard {
		277	$TICK_WATCHER->start;
		278	$WRITE_RUNTIME_WATCHER->start;
		279	};
		280	$WRITE_RUNTIME_WATCHER->stop;
		281	$TICK_WATCHER->stop;
		282	$guard
		283	}
		284
249	=item cf::async { BLOCK }	285	=item cf::async { BLOCK }
250		286
251	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	287	Currently the same as Coro::async_pool, meaning you cannot use
252	error instead of exiting the server in case of a problem.	288	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		289	thing you are allowed to do is call C<prio> on it.
253		290
254	=cut	291	=cut
255		292
256	sub async(&) {	293	BEGIN { *async = \&Coro::async_pool }
257	my ($cb) = @_;
258
259	Coro::async {
260	eval { $cb->() };
261	warn $@ if $@;
262	}
263	}
264		294
265	=item cf::sync_job { BLOCK }	295	=item cf::sync_job { BLOCK }
266		296
267	The design of crossfire+ requires that the main coro ($Coro::main) is	297	The design of crossfire+ requires that the main coro ($Coro::main) is
268	always able to handle events or runnable, as crossfire+ is only partly	298	always able to handle events or runnable, as crossfire+ is only partly
…		…
282	# this is the main coro, too bad, we have to block	312	# this is the main coro, too bad, we have to block
283	# till the operation succeeds, freezing the server :/	313	# till the operation succeeds, freezing the server :/
284		314
285	# TODO: use suspend/resume instead	315	# TODO: use suspend/resume instead
286	# (but this is cancel-safe)	316	# (but this is cancel-safe)
287	local $FREEZE = 1;	317	my $freeze_guard = freeze_mainloop;
288		318
289	my $busy = 1;	319	my $busy = 1;
290	my @res;	320	my @res;
291		321
292	(Coro::async {	322	(async {
293	@res = eval { $job->() };	323	@res = eval { $job->() };
294	warn $@ if $@;	324	warn $@ if $@;
295	undef $busy;	325	undef $busy;
296	})->prio (Coro::PRIO_MAX);	326	})->prio (Coro::PRIO_MAX);
297		327
298	while ($busy) {	328	while ($busy) {
299	Coro::cede_notself;	329	Coro::cede or Event::one_event;
300	Event::one_event unless Coro::nready;
301	}	330	}
302		331
303	wantarray ? @res : $res[0]	332	wantarray ? @res : $res[0]
304	} else {	333	} else {
305	# we are in another coroutine, how wonderful, everything just works	334	# we are in another coroutine, how wonderful, everything just works
306		335
307	$job->()	336	$job->()
308	}	337	}
309	}	338	}
310		339
311	=item $coro = cf::coro { BLOCK }	340	=item $coro = cf::async_ext { BLOCK }
312		341
313	Creates and returns a new coro. This coro is automcatially being canceled	342	Like async, but this coro is automatically being canceled when the
314	when the extension calling this is being unloaded.	343	extension calling this is being unloaded.
315		344
316	=cut	345	=cut
317		346
318	sub coro(&) {	347	sub async_ext(&) {
319	my $cb = shift;	348	my $cb = shift;
320		349
321	my $coro = &cf::async ($cb);	350	my $coro = &Coro::async ($cb);
322		351
323	$coro->on_destroy (sub {	352	$coro->on_destroy (sub {
324	delete $EXT_CORO{$coro+0};	353	delete $EXT_CORO{$coro+0};
325	});	354	});
326	$EXT_CORO{$coro+0} = $coro;	355	$EXT_CORO{$coro+0} = $coro;
…		…
332	my $runtime = cf::localdir . "/runtime";	361	my $runtime = cf::localdir . "/runtime";
333		362
334	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
335	or return;	364	or return;
336		365
		366	my $value = $cf::RUNTIME + 90 + 10;
337	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
338	(aio_write $fh, 0, (length $value), $value, 0) <= 0	370	(aio_write $fh, 0, (length $value), $value, 0) <= 0
339	and return;	371	and return;
340		372
		373	# always fsync - this file is important
341	aio_fsync $fh	374	aio_fsync $fh
342	and return;	375	and return;
343		376
344	close $fh	377	close $fh
345	or return;	378	or return;
…		…
351	}	384	}
352		385
353	=back	386	=back
354		387
355	=cut	388	=cut
356
357	#############################################################################
358
359	package cf::path;
360
361	sub new {
362	my ($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		389
477	#############################################################################	390	#############################################################################
478		391
479	=head2 ATTACHABLE OBJECTS	392	=head2 ATTACHABLE OBJECTS
480		393
…		…
606	our @CB_TYPE = (); # registry for type (cf-object class) based events	519	our @CB_TYPE = (); # registry for type (cf-object class) based events
607	our @CB_MAP = ();	520	our @CB_MAP = ();
608		521
609	my %attachment;	522	my %attachment;
610		523
		524	sub cf::attachable::thawer_merge {
		525	# simply override everything except _meta
		526	local $_[0]{_meta};
		527	%{$_[0]} = %{$_[1]};
		528	}
		529
611	sub _attach_cb($$$$) {	530	sub _attach_cb($$$$) {
612	my ($registry, $event, $prio, $cb) = @_;	531	my ($registry, $event, $prio, $cb) = @_;
613		532
614	use sort 'stable';	533	use sort 'stable';
615		534
…		…
786	# object support	705	# object support
787		706
788	sub reattach {	707	sub reattach {
789	# basically do the same as instantiate, without calling instantiate	708	# basically do the same as instantiate, without calling instantiate
790	my ($obj) = @_;	709	my ($obj) = @_;
		710
		711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
791		712
792	my $registry = $obj->registry;	713	my $registry = $obj->registry;
793		714
794	@$registry = ();	715	@$registry = ();
795		716
…		…
842	$filename, length $$rdata, scalar @$objs;	763	$filename, length $$rdata, scalar @$objs;
843		764
844	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
845	chmod SAVE_MODE, $fh;	766	chmod SAVE_MODE, $fh;
846	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
847	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
848	close $fh;	769	close $fh;
849		770
850	if (@$objs) {	771	if (@$objs) {
851	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) {
852	chmod SAVE_MODE, $fh;	773	chmod SAVE_MODE, $fh;
853	my $data = Storable::nfreeze { version => 1, objs => $objs };	774	my $data = Storable::nfreeze { version => 1, objs => $objs };
854	aio_write $fh, 0, (length $data), $data, 0;	775	aio_write $fh, 0, (length $data), $data, 0;
855	aio_fsync $fh;	776	aio_fsync $fh if $cf::USE_FSYNC;
856	close $fh;	777	close $fh;
857	aio_rename "$filename.pst~", "$filename.pst";	778	aio_rename "$filename.pst~", "$filename.pst";
858	}	779	}
859	} else {	780	} else {
860	aio_unlink "$filename.pst";	781	aio_unlink "$filename.pst";
…		…
866	}	787	}
867	} else {	788	} else {
868	aio_unlink $filename;	789	aio_unlink $filename;
869	aio_unlink "$filename.pst";	790	aio_unlink "$filename.pst";
870	}	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	}
871	}	798	}
872	}	799	}
873		800
874	sub object_freezer_as_string {	801	sub object_freezer_as_string {
875	my ($rdata, $objs) = @_;	802	my ($rdata, $objs) = @_;
…		…
881		808
882	sub object_thawer_load {	809	sub object_thawer_load {
883	my ($filename) = @_;	810	my ($filename) = @_;
884		811
885	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$//;
886		816
887	(aio_load $filename, $data) >= 0	817	(aio_load $filename, $data) >= 0
888	or return;	818	or return;
889		819
890	unless (aio_stat "$filename.pst") {	820	unless (aio_stat "$filename.pst") {
…		…
927	=cut	857	=cut
928		858
929	sub register_extcmd {	859	sub register_extcmd {
930	my ($name, $cb) = @_;	860	my ($name, $cb) = @_;
931		861
932	my $caller = caller;
933	#warn "registering extcmd '$name' to '$caller'";
934
935	$EXTCMD{$name} = [$cb, $caller];	862	$EXTCMD{$name} = $cb;
936	}	863	}
937		864
938	cf::player->attach (	865	cf::player->attach (
939	on_command => sub {	866	on_command => sub {
940	my ($pl, $name, $params) = @_;	867	my ($pl, $name, $params) = @_;
…		…
953		880
954	my $msg = eval { from_json $buf };	881	my $msg = eval { from_json $buf };
955		882
956	if (ref $msg) {	883	if (ref $msg) {
957	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
958	if (my %reply = $cb->[0]->($pl, $msg)) {	885	if (my %reply = $cb->($pl, $msg)) {
959	$pl->ext_reply ($msg->{msgid}, %reply);	886	$pl->ext_reply ($msg->{msgid}, %reply);
960	}	887	}
961	}	888	}
962	} else {	889	} else {
963	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
965		892
966	cf::override;	893	cf::override;
967	},	894	},
968	);	895	);
969		896
970	sub register {
971	my ($base, $pkg) = @_;
972
973	#TODO
974	}
975
976	sub load_extension {	897	sub load_extension {
977	my ($path) = @_;	898	my ($path) = @_;
978		899
979	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
980	my $base = $1;	901	my $base = $1;
981	my $pkg = $1;	902	my $pkg = $1;
982	$pkg =~ s/[^[:word:]]/_/g;	903	$pkg =~ s/[^[:word:]]/_/g;
983	$pkg = "ext::$pkg";	904	$pkg = "ext::$pkg";
984		905
985	warn "loading '$path' into '$pkg'\n";	906	warn "... loading '$path' into '$pkg'\n";
986		907
987	open my $fh, "<:utf8", $path	908	open my $fh, "<:utf8", $path
988	or die "$path: $!";	909	or die "$path: $!";
989		910
990	my $source =	911	my $source =
991	"package $pkg; use strict; use utf8;\n"	912	"package $pkg; use strict; use utf8;\n"
992	. "#line 1 \"$path\"\n{\n"	913	. "#line 1 \"$path\"\n{\n"
993	. (do { local $/; <$fh> })	914	. (do { local $/; <$fh> })
994	. "\n};\n1";	915	. "\n};\n1";
995		916
996	eval $source	917	unless (eval $source) {
997	or die $@ ? "$path: $@\n"	918	my $msg = $@ ? "$path: $@\n"
998	: "extension disabled.\n";	919	: "extension disabled.\n";
999		920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1000	push @exts, $pkg;	921	warn $@;
1001	$ext_pkg{$base} = $pkg;	922	warn "mandatory extension failed to load, exiting.\n";
1002		923	exit 1;
1003	# no strict 'refs';	924	}
1004	# @{"$pkg\::ISA"} = ext::;	925	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	# }	926	}
1019		927
1020	# remove commands	928	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	}	929	}
1045		930
1046	sub load_extensions {	931	sub load_extensions {
1047	for my $ext (<$LIBDIR/*.ext>) {	932	for my $ext (<$LIBDIR/*.ext>) {
1048	next unless -r $ext;	933	next unless -r $ext;
…		…
1052	} or warn "$ext not loaded: $@";	937	} or warn "$ext not loaded: $@";
1053	}	938	}
1054	}	939	}
1055		940
1056	#############################################################################	941	#############################################################################
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		942
1094	=head2 CORE EXTENSIONS	943	=head2 CORE EXTENSIONS
1095		944
1096	Functions and methods that extend core crossfire objects.	945	Functions and methods that extend core crossfire objects.
1097		946
		947	=cut
		948
		949	package cf::player;
		950
		951	use Coro::AIO;
		952
1098	=head3 cf::player	953	=head3 cf::player
1099		954
1100	=over 4	955	=over 4
1101		956
1102	=item cf::player::exists $login	957	=item cf::player::find $login
1103		958
1104	Returns true when the given account exists.	959	Returns the given player object, loading it if necessary (might block).
1105		960
1106	=cut	961	=cut
1107		962
1108	sub cf::player::exists($) {	963	sub playerdir($) {
1109	cf::player::find $_[0]	964	cf::localdir
1110	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
1111	}	1111	}
1112		1112
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1113	=item $player->ext_reply ($msgid, $msgtype, %msg)
1114		1114
1115	Sends an ext reply to the player.	1115	Sends an ext reply to the player.
1116		1116
1117	=cut	1117	=cut
1118		1118
1119	sub cf::player::ext_reply($$$%) {	1119	sub ext_reply($$$%) {
1120	my ($self, $id, %msg) = @_;	1120	my ($self, $id, %msg) = @_;
1121		1121
1122	$msg{msgid} = $id;	1122	$msg{msgid} = $id;
1123		1123
1124	$self->send ("ext " . to_json \%msg);	1124	$self->send ("ext " . cf::to_json \%msg);
1125	}	1125	}
		1126
		1127	package cf;
1126		1128
1127	=back	1129	=back
1128		1130
1129		1131
1130	=head3 cf::map	1132	=head3 cf::map
…		…
1136	package cf::map;	1138	package cf::map;
1137		1139
1138	use Fcntl;	1140	use Fcntl;
1139	use Coro::AIO;	1141	use Coro::AIO;
1140		1142
		1143	use overload
		1144	'""' => \&as_string,
		1145	fallback => 1;
		1146
1141	our $MAX_RESET = 7200;	1147	our $MAX_RESET = 3600;
1142	our $DEFAULT_RESET = 3600;	1148	our $DEFAULT_RESET = 3000;
1143		1149
1144	sub generate_random_map {	1150	sub generate_random_map {
1145	my ($path, $rmp) = @_;	1151	my ($self, $rmp) = @_;
1146
1147	# mit "rum" bekleckern, nicht	1152	# mit "rum" bekleckern, nicht
1148	cf::map::_create_random_map	1153	$self->_create_random_map (
1149	$path,
1150	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1154	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1151	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1155	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1152	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1156	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1153	$rmp->{exit_on_final_map},	1157	$rmp->{exit_on_final_map},
1154	$rmp->{xsize}, $rmp->{ysize},	1158	$rmp->{xsize}, $rmp->{ysize},
1155	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1159	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1156	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1160	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1157	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1161	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1158	$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},
1159	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1163	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1160	(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
1161	}	1295	}
1162		1296
1163	# and all this just because we cannot iterate over	1297	# and all this just because we cannot iterate over
1164	# all maps in C++...	1298	# all maps in C++...
1165	sub change_all_map_light {	1299	sub change_all_map_light {
…		…
1167		1301
1168	$_->change_map_light ($change)	1302	$_->change_map_light ($change)
1169	for grep $_->outdoor, values %cf::MAP;	1303	for grep $_->outdoor, values %cf::MAP;
1170	}	1304	}
1171		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
1172	sub try_load_header($) {	1319	sub load_header_from($) {
1173	my ($path) = @_;	1320	my ($self, $path) = @_;
1174		1321
1175	utf8::encode $path;	1322	utf8::encode $path;
1176	aio_open $path, O_RDONLY, 0	1323	#aio_open $path, O_RDONLY, 0
		1324	# or return;
		1325
		1326	$self->_load_header ($path)
1177	or return;	1327	or return;
1178		1328
1179	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
1180	or return;	1372	or return;
		1373	$self->prepare_orig;
		1374	}
1181		1375
1182	$map->load_header ($path)	1376	1
1183	or return;
1184
1185	$map->{load_path} = $path;
1186
1187	$map
1188	}	1377	}
1189		1378
1190	sub find_map;	1379	sub find;
1191	sub find_map {	1380	sub find {
1192	my ($path, $origin) = @_;	1381	my ($path, $origin) = @_;
1193		1382
1194	#warn "find_map<$path,$origin>\n";#d#
1195
1196	$path = new cf::path $path, $origin && $origin->path;	1383	$path = normalise $path, $origin && $origin->path;
1197	my $key = $path->as_string;
1198		1384
1199	cf::lock_wait "map_find:$key";	1385	cf::lock_wait "map_find:$path";
1200		1386
1201	$cf::MAP{$key} || do {	1387	$cf::MAP{$path} || do {
1202	my $guard = cf::lock_acquire "map_find:$key";	1388	my $guard = cf::lock_acquire "map_find:$path";
1203		1389	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;	1390	or return;
1219		1391
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;	1392	$map->{last_save} = $cf::RUNTIME;
1231	$map->last_access ($cf::RUNTIME);
1232		1393
1233	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;
1234	$map->reset;	1400	$map->reset;
1235	undef $guard;	1401	undef $guard;
1236	$map = find_map $path	1402	return find $path;
1237	or return;
1238	}	1403	}
1239		1404
1240	$cf::MAP{$key} = $map	1405	$cf::MAP{$path} = $map
1241	}	1406	}
1242	}	1407	}
		1408
		1409	sub pre_load { }
		1410	sub post_load { }
1243		1411
1244	sub load {	1412	sub load {
1245	my ($self) = @_;	1413	my ($self) = @_;
1246		1414
		1415	local $self->{deny_reset} = 1; # loading can take a long time
		1416
1247	my $path = $self->{path};	1417	my $path = $self->{path};
1248	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1418	my $guard = cf::lock_acquire "map_load:$path";
1249		1419
1250	return if $self->in_memory != cf::MAP_SWAPPED;	1420	return if $self->in_memory != cf::MAP_SWAPPED;
1251		1421
1252	$self->in_memory (cf::MAP_LOADING);	1422	$self->in_memory (cf::MAP_LOADING);
1253		1423
1254	$self->alloc;	1424	$self->alloc;
		1425
		1426	$self->pre_load;
		1427
1255	$self->load_objects ($self->{load_path}, 1)	1428	$self->_load_objects ($self->{load_path}, 1)
1256	or return;	1429	or return;
1257		1430
1258	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1259	if delete $self->{load_original};	1432	if delete $self->{load_original};
1260		1433
1261	if (my $uniq = $path->uniq_path) {	1434	if (my $uniq = $self->uniq_path) {
1262	utf8::encode $uniq;	1435	utf8::encode $uniq;
1263	if (aio_open $uniq, O_RDONLY, 0) {	1436	if (aio_open $uniq, O_RDONLY, 0) {
1264	$self->clear_unique_items;	1437	$self->clear_unique_items;
1265	$self->load_objects ($uniq, 0);	1438	$self->_load_objects ($uniq, 0);
1266	}	1439	}
1267	}	1440	}
		1441
		1442	Coro::cede;
1268		1443
1269	# now do the right thing for maps	1444	# now do the right thing for maps
1270	$self->link_multipart_objects;	1445	$self->link_multipart_objects;
1271		1446
1272	if ($self->{path}->is_style_map) {	1447	unless ($self->{deny_activate}) {
1273	$self->{deny_save} = 1;	1448	$self->decay_objects;
1274	$self->{deny_reset} = 1;
1275	} else {
1276	$self->fix_auto_apply;	1449	$self->fix_auto_apply;
1277	$self->decay_objects;
1278	$self->update_buttons;	1450	$self->update_buttons;
		1451	Coro::cede;
1279	$self->set_darkness_map;	1452	$self->set_darkness_map;
1280	$self->difficulty ($self->estimate_difficulty)	1453	$self->difficulty ($self->estimate_difficulty)
1281	unless $self->difficulty;	1454	unless $self->difficulty;
		1455	Coro::cede;
1282	$self->activate;	1456	$self->activate;
1283	}	1457	}
1284		1458
		1459	$self->post_load;
		1460
1285	$self->in_memory (cf::MAP_IN_MEMORY);	1461	$self->in_memory (cf::MAP_IN_MEMORY);
1286	}	1462	}
1287		1463
1288	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 {
1289	my ($path, $origin) = @_;	1498	my ($path, $origin) = @_;
1290		1499
1291	#warn "load_map_sync<$path, $origin>\n";#d#	1500	cf::sync_job { find $path, $origin }
		1501	}
1292		1502
1293	cf::sync_job {	1503	sub do_load_sync {
1294	my $map = cf::map::find_map $path, $origin	1504	my ($map) = @_;
1295	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;
1296	$map->load;	1527	$map->load;
1297	$map	1528
		1529	delete $MAP_PREFETCH{$path};
		1530	}
		1531	}
		1532	undef $MAP_PREFETCHER;
1298	}	1533	};
		1534	$MAP_PREFETCHER->prio (6);
		1535
		1536	()
1299	}	1537	}
1300		1538
1301	sub save {	1539	sub save {
1302	my ($self) = @_;	1540	my ($self) = @_;
1303		1541
		1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1543
1304	$self->{last_save} = $cf::RUNTIME;	1544	$self->{last_save} = $cf::RUNTIME;
1305		1545
1306	return unless $self->dirty;	1546	return unless $self->dirty;
1307		1547
1308	my $save = $self->{path}->save_path; utf8::encode $save;	1548	my $save = $self->save_path; utf8::encode $save;
1309	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1549	my $uniq = $self->uniq_path; utf8::encode $uniq;
1310		1550
1311	$self->{load_path} = $save;	1551	$self->{load_path} = $save;
1312		1552
1313	return if $self->{deny_save};	1553	return if $self->{deny_save};
1314		1554
		1555	local $self->{last_access} = $self->last_access;#d#
		1556
		1557	cf::async {
		1558	$_->contr->save for $self->players;
		1559	};
		1560
1315	if ($uniq) {	1561	if ($uniq) {
1316	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1317	$self->save_objects ($uniq, cf::IO_UNIQUES);	1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1318	} else {	1564	} else {
1319	$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);
1320	}	1566	}
1321	}	1567	}
1322		1568
1323	sub swap_out {	1569	sub swap_out {
1324	my ($self) = @_;	1570	my ($self) = @_;
1325		1571
1326	# save first because save cedes	1572	# save first because save cedes
1327	$self->save;	1573	$self->save;
		1574
		1575	my $lock = cf::lock_acquire "map_data:" . $self->path;
1328		1576
1329	return if $self->players;	1577	return if $self->players;
1330	return if $self->in_memory != cf::MAP_IN_MEMORY;	1578	return if $self->in_memory != cf::MAP_IN_MEMORY;
1331	return if $self->{deny_save};	1579	return if $self->{deny_save};
1332		1580
…		…
1336		1584
1337	sub reset_at {	1585	sub reset_at {
1338	my ($self) = @_;	1586	my ($self) = @_;
1339		1587
1340	# TODO: safety, remove and allow resettable per-player maps	1588	# TODO: safety, remove and allow resettable per-player maps
1341	return 1e99 if $self->{path}{user_rel};	1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1342	return 1e99 if $self->{deny_reset};	1590	return 1e99 if $self->{deny_reset};
1343		1591
1344	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1345	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;
1346		1594
…		…
1351	my ($self) = @_;	1599	my ($self) = @_;
1352		1600
1353	$self->reset_at <= $cf::RUNTIME	1601	$self->reset_at <= $cf::RUNTIME
1354	}	1602	}
1355		1603
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 {	1604	sub reset {
1378	my ($self) = @_;	1605	my ($self) = @_;
1379		1606
		1607	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1608
1380	return if $self->players;	1609	return if $self->players;
1381	return if $self->{path}{user_rel};#d#	1610	return if $self->isa ("ext::map_per_player");#d#
1382		1611
1383	warn "resetting map ", $self->path;#d#	1612	warn "resetting map ", $self->path;#d#
1384		1613
		1614	$self->in_memory (cf::MAP_SWAPPED);
		1615
		1616	# need to save uniques path
		1617	unless ($self->{deny_save}) {
		1618	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1619
		1620	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1621	if $uniq;
		1622	}
		1623
1385	delete $cf::MAP{$self->path};	1624	delete $cf::MAP{$self->path};
		1625
		1626	$self->clear;
1386		1627
1387	$_->clear_links_to ($self) for values %cf::MAP;	1628	$_->clear_links_to ($self) for values %cf::MAP;
1388		1629
1389	$self->unlink_save;	1630	$self->unlink_save;
1390	$self->destroy;	1631	$self->destroy;
…		…
1393	my $nuke_counter = "aaaa";	1634	my $nuke_counter = "aaaa";
1394		1635
1395	sub nuke {	1636	sub nuke {
1396	my ($self) = @_;	1637	my ($self) = @_;
1397		1638
		1639	delete $cf::MAP{$self->path};
		1640
		1641	$self->unlink_save;
		1642
		1643	bless $self, "cf::map";
		1644	delete $self->{deny_reset};
1398	$self->{deny_save} = 1;	1645	$self->{deny_save} = 1;
1399	$self->reset_timeout (1);	1646	$self->reset_timeout (1);
1400	$self->rename ("{nuke}/" . ($nuke_counter++));	1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1648
		1649	$cf::MAP{$self->path} = $self;
		1650
1401	$self->reset; # polite request, might not happen	1651	$self->reset; # polite request, might not happen
1402	}	1652	}
1403		1653
1404	sub customise_for {	1654	=item cf::map::unique_maps
1405	my ($map, $ob) = @_;
1406		1655
1407	if ($map->per_player) {	1656	Returns an arrayref of paths of all shared maps that have
1408	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1657	instantiated unique items. May block.
1409	}
1410		1658
1411	$map	1659	=cut
1412	}
1413		1660
1414	sub emergency_save {	1661	sub unique_maps() {
1415	local $cf::FREEZE = 1;	1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1663	or return;
1416		1664
1417	warn "enter emergency map save\n";	1665	my @paths;
1418		1666
1419	cf::sync_job {	1667	for (@$files) {
1420	warn "begin emergency map save\n";	1668	utf8::decode $_;
1421	$_->save for values %cf::MAP;	1669	next if /\.pst$/;
		1670	next unless /^$PATH_SEP/o;
		1671
		1672	push @paths, cf::map::normalise $_;
1422	};	1673	}
1423		1674
1424	warn "end emergency map save\n";	1675	\@paths
1425	}	1676	}
1426		1677
1427	package cf;	1678	package cf;
1428		1679
1429	=back	1680	=back
1430		1681
		1682	=head3 cf::object
		1683
		1684	=cut
		1685
		1686	package cf::object;
		1687
		1688	=over 4
		1689
		1690	=item $ob->inv_recursive
		1691
		1692	Returns the inventory of the object _and_ their inventories, recursively.
		1693
		1694	=cut
		1695
		1696	sub inv_recursive_;
		1697	sub inv_recursive_ {
		1698	map { $_, inv_recursive_ $_->inv } @_
		1699	}
		1700
		1701	sub inv_recursive {
		1702	inv_recursive_ inv $_[0]
		1703	}
		1704
		1705	package cf;
		1706
		1707	=back
1431		1708
1432	=head3 cf::object::player	1709	=head3 cf::object::player
1433		1710
1434	=over 4	1711	=over 4
1435		1712
…		…
1475		1752
1476	=item $player_object->enter_link	1753	=item $player_object->enter_link
1477		1754
1478	Freezes the player and moves him/her to a special map (C<{link}>).	1755	Freezes the player and moves him/her to a special map (C<{link}>).
1479		1756
1480	The player should be reaosnably safe there for short amounts of time. You	1757	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.	1758	I<MUST> call C<leave_link> as soon as possible, though.
1482		1759
		1760	Will never block.
		1761
1483	=item $player_object->leave_link ($map, $x, $y)	1762	=item $player_object->leave_link ($map, $x, $y)
1484		1763
1485	Moves the player out of the specila link map onto the given map. If the	1764	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	1765	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,	1766	to the location he/she was before the call to C<enter_link>, or, if that
1488	to the emergency map position.	1767	fails, to the emergency map position.
1489		1768
1490	Might block.	1769	Might block.
1491		1770
1492	=cut	1771	=cut
		1772
		1773	sub link_map {
		1774	unless ($LINK_MAP) {
		1775	$LINK_MAP = cf::map::find "{link}"
		1776	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1777	$LINK_MAP->load;
		1778	}
		1779
		1780	$LINK_MAP
		1781	}
1493		1782
1494	sub cf::object::player::enter_link {	1783	sub cf::object::player::enter_link {
1495	my ($self) = @_;	1784	my ($self) = @_;
1496		1785
1497	$self->deactivate_recursive;	1786	$self->deactivate_recursive;
1498		1787
1499	return if $self->map == $LINK_MAP;	1788	return if UNIVERSAL::isa $self->map, "ext::map_link";
1500		1789
1501	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1502	if $self->map;	1791	if $self->map;
1503		1792
1504	$self->enter_map ($LINK_MAP, 20, 20);	1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1505	}	1794	}
1506		1795
1507	sub cf::object::player::leave_link {	1796	sub cf::object::player::leave_link {
1508	my ($self, $map, $x, $y) = @_;	1797	my ($self, $map, $x, $y) = @_;
1509		1798
1510	my $link_pos = delete $self->{_link_pos};	1799	my $link_pos = delete $self->{_link_pos};
1511		1800
1512	unless ($map) {	1801	unless ($map) {
1513	# restore original map position	1802	# restore original map position
1514	($map, $x, $y) = @{ $link_pos || [] };	1803	($map, $x, $y) = @{ $link_pos || [] };
1515	$map = cf::map::find_map $map;	1804	$map = cf::map::find $map;
1516		1805
1517	unless ($map) {	1806	unless ($map) {
1518	($map, $x, $y) = @$EMERGENCY_POSITION;	1807	($map, $x, $y) = @$EMERGENCY_POSITION;
1519	$map = cf::map::find_map $map	1808	$map = cf::map::find $map
1520	or die "FATAL: cannot load emergency map\n";	1809	or die "FATAL: cannot load emergency map\n";
1521	}	1810	}
1522	}	1811	}
1523		1812
1524	($x, $y) = (-1, -1)	1813	($x, $y) = (-1, -1)
…		…
1527	# use -1 or undef as default coordinates, not 0, 0	1816	# use -1 or undef as default coordinates, not 0, 0
1528	($x, $y) = ($map->enter_x, $map->enter_y)	1817	($x, $y) = ($map->enter_x, $map->enter_y)
1529	if $x <=0 && $y <= 0;	1818	if $x <=0 && $y <= 0;
1530		1819
1531	$map->load;	1820	$map->load;
		1821	$map->load_diag;
1532		1822
		1823	return unless $self->contr->active;
1533	$self->activate_recursive;	1824	$self->activate_recursive;
1534	$self->enter_map ($map, $x, $y);	1825	$self->enter_map ($map, $x, $y);
1535	}	1826	}
1536		1827
1537	cf::player->attach (	1828	cf::player->attach (
…		…
1550		1841
1551	# try to abort aborted map switching on player login :)	1842	# try to abort aborted map switching on player login :)
1552	# should happen only on crashes	1843	# should happen only on crashes
1553	if ($pl->ob->{_link_pos}) {	1844	if ($pl->ob->{_link_pos}) {
1554	$pl->ob->enter_link;	1845	$pl->ob->enter_link;
1555	cf::async {	1846	(async {
1556	# we need this sleep as the login has a concurrent enter_exit running	1847	# 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	1848	# and this sleep increases chances of the player not ending up in scorn
		1849	$pl->ob->reply (undef,
		1850	"There was an internal problem at your last logout, "
		1851	. "the server will try to bring you to your intended destination in a second.",
		1852	cf::NDI_RED);
1558	Coro::Timer::sleep 1;	1853	Coro::Timer::sleep 1;
1559	$pl->ob->leave_link;	1854	$pl->ob->leave_link;
1560	};	1855	})->prio (2);
1561	}	1856	}
1562	},	1857	},
1563	);	1858	);
1564		1859
1565	=item $player_object->goto_map ($path, $x, $y)	1860	=item $player_object->goto ($path, $x, $y)
1566		1861
1567	=cut	1862	=cut
1568		1863
1569	sub cf::object::player::goto_map {	1864	sub cf::object::player::goto {
1570	my ($self, $path, $x, $y) = @_;	1865	my ($self, $path, $x, $y) = @_;
1571		1866
1572	$self->enter_link;	1867	$self->enter_link;
1573		1868
1574	(cf::async {	1869	(async {
1575	$path = new cf::path $path;	1870	my $map = eval {
1576
1577	my $map = cf::map::find_map $path->as_string;	1871	my $map = cf::map::find $path;
1578	$map = $map->customise_for ($self) if $map;	1872	$map = $map->customise_for ($self) if $map;
1579		1873	$map
1580	# warn "entering ", $map->path, " at ($x, $y)\n"	1874	} or
1581	# if $map;
1582
1583	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1584		1876
1585	$self->leave_link ($map, $x, $y);	1877	$self->leave_link ($map, $x, $y);
1586	})->prio (1);	1878	})->prio (1);
1587	}	1879	}
1588		1880
…		…
1592		1884
1593	sub parse_random_map_params {	1885	sub parse_random_map_params {
1594	my ($spec) = @_;	1886	my ($spec) = @_;
1595		1887
1596	my $rmp = { # defaults	1888	my $rmp = { # defaults
1597	xsize => 10,	1889	xsize => (cf::rndm 15, 40),
1598	ysize => 10,	1890	ysize => (cf::rndm 15, 40),
		1891	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1892	#layout => string,
1599	};	1893	};
1600		1894
1601	for (split /\n/, $spec) {	1895	for (split /\n/, $spec) {
1602	my ($k, $v) = split /\s+/, $_, 2;	1896	my ($k, $v) = split /\s+/, $_, 2;
1603		1897
…		…
1607	$rmp	1901	$rmp
1608	}	1902	}
1609		1903
1610	sub prepare_random_map {	1904	sub prepare_random_map {
1611	my ($exit) = @_;	1905	my ($exit) = @_;
		1906
		1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1612		1908
1613	# all this does is basically replace the /! path by	1909	# all this does is basically replace the /! path by
1614	# a new random map path (?random/...) with a seed	1910	# a new random map path (?random/...) with a seed
1615	# that depends on the exit object	1911	# that depends on the exit object
1616		1912
1617	my $rmp = parse_random_map_params $exit->msg;	1913	my $rmp = parse_random_map_params $exit->msg;
1618		1914
1619	if ($exit->map) {	1915	if ($exit->map) {
1620	$rmp->{region} = $exit->map->region_name;	1916	$rmp->{region} = $exit->region->name;
1621	$rmp->{origin_map} = $exit->map->path;	1917	$rmp->{origin_map} = $exit->map->path;
1622	$rmp->{origin_x} = $exit->x;	1918	$rmp->{origin_x} = $exit->x;
1623	$rmp->{origin_y} = $exit->y;	1919	$rmp->{origin_y} = $exit->y;
1624	}	1920	}
1625		1921
1626	$rmp->{random_seed} ||= $exit->random_seed;	1922	$rmp->{random_seed} ||= $exit->random_seed;
1627		1923
1628	my $data = cf::to_json $rmp;	1924	my $data = cf::to_json $rmp;
1629	my $md5 = Digest::MD5::md5_hex $data;	1925	my $md5 = Digest::MD5::md5_hex $data;
		1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1630		1927
1631	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1632	aio_write $fh, 0, (length $data), $data, 0;	1929	aio_write $fh, 0, (length $data), $data, 0;
		1930	undef $fh;
		1931	aio_rename "$meta~", $meta;
1633		1932
1634	$exit->slaying ("?random/$md5");	1933	$exit->slaying ("?random/$md5");
1635	$exit->msg (undef);	1934	$exit->msg (undef);
1636	}	1935	}
1637	}	1936	}
…		…
1639	sub cf::object::player::enter_exit {	1938	sub cf::object::player::enter_exit {
1640	my ($self, $exit) = @_;	1939	my ($self, $exit) = @_;
1641		1940
1642	return unless $self->type == cf::PLAYER;	1941	return unless $self->type == cf::PLAYER;
1643		1942
		1943	if ($exit->slaying eq "/!") {
		1944	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1945	cf::sync_job { prepare_random_map $exit };
		1946	}
		1947
		1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1949	my $hp = $exit->stats->hp;
		1950	my $sp = $exit->stats->sp;
		1951
1644	$self->enter_link;	1952	$self->enter_link;
1645		1953
1646	(cf::async {	1954	(async {
		1955	$self->deactivate_recursive; # just to be sure
1647	unless (eval {	1956	unless (eval {
1648	prepare_random_map $exit	1957	$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		1958
1654	1;	1959	1;
1655	}) {	1960	}) {
1656	$self->message ("Something went wrong deep within the crossfire server. "	1961	$self->message ("Something went wrong deep within the crossfire server. "
1657	. "I'll try to bring you back to the map you were before. "	1962	. "I'll try to bring you back to the map you were before. "
1658	. "Please report this to the dungeon master",	1963	. "Please report this to the dungeon master!",
1659	cf::NDI_UNIQUE | cf::NDI_RED);	1964	cf::NDI_UNIQUE | cf::NDI_RED);
1660		1965
1661	warn "ERROR in enter_exit: $@";	1966	warn "ERROR in enter_exit: $@";
1662	$self->leave_link;	1967	$self->leave_link;
1663	}	1968	}
…		…
1718	# get handled first	2023	# get handled first
1719	my $queue = delete $ns->{query_queue}	2024	my $queue = delete $ns->{query_queue}
1720	or return; # be conservative, not sure how that can happen, but we saw a crash here	2025	or return; # be conservative, not sure how that can happen, but we saw a crash here
1721		2026
1722	(shift @$queue)->[1]->($msg);	2027	(shift @$queue)->[1]->($msg);
		2028	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1723		2029
1724	push @{ $ns->{query_queue} }, @$queue;	2030	push @{ $ns->{query_queue} }, @$queue;
1725		2031
1726	if (@{ $ns->{query_queue} } == @$queue) {	2032	if (@{ $ns->{query_queue} } == @$queue) {
1727	if (@$queue) {	2033	if (@$queue) {
…		…
1731	}	2037	}
1732	}	2038	}
1733	},	2039	},
1734	);	2040	);
1735		2041
1736	=item $client->coro (\&cb)	2042	=item $client->async (\&cb)
1737		2043
1738	Create a new coroutine, running the specified callback. The coroutine will	2044	Create a new coroutine, running the specified callback. The coroutine will
1739	be automatically cancelled when the client gets destroyed (e.g. on logout,	2045	be automatically cancelled when the client gets destroyed (e.g. on logout,
1740	or loss of connection).	2046	or loss of connection).
1741		2047
1742	=cut	2048	=cut
1743		2049
1744	sub cf::client::coro {	2050	sub cf::client::async {
1745	my ($self, $cb) = @_;	2051	my ($self, $cb) = @_;
1746		2052
1747	my $coro = &cf::async ($cb);	2053	my $coro = &Coro::async ($cb);
1748		2054
1749	$coro->on_destroy (sub {	2055	$coro->on_destroy (sub {
1750	delete $self->{_coro}{$coro+0};	2056	delete $self->{_coro}{$coro+0};
1751	});	2057	});
1752		2058
…		…
1888	The parameter C<$family> should best start with the name of the extension	2194	The parameter C<$family> should best start with the name of the extension
1889	using it, it should be unique.	2195	using it, it should be unique.
1890		2196
1891	=over 4	2197	=over 4
1892		2198
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	2199	=item $value = cf::db_get $family => $key
1900		2200
1901	Returns a single value from the database	2201	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		2202
1908	=item cf::db_put $family => $key => $value	2203	=item cf::db_put $family => $key => $value
1909		2204
1910	Stores the given C<$value> in the family hash. Updates are delayed, if you	2205	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		2206
1921	=cut	2207	=cut
1922		2208
1923	our $DB;	2209	our $DB;
1924		2210
1925	{	2211	sub db_init {
		2212	unless ($DB) {
		2213	$DB = BDB::db_create $DB_ENV;
		2214
		2215	cf::sync_job {
		2216	eval {
		2217	$DB->set_flags (BDB::CHKSUM);
		2218
		2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2221	cf::cleanup "db_open(db): $!" if $!;
		2222	};
		2223	cf::cleanup "db_open(db): $@" if $@;
		2224	};
		2225
1926	my $path = cf::localdir . "/database.pst";	2226	my $path = cf::localdir . "/database.pst";
		2227	if (stat $path) {
		2228	cf::sync_job {
		2229	my $pst = Storable::retrieve $path;
1927		2230
1928	sub db_load() {	2231	cf::db_put (board => data => $pst->{board});
1929	$DB = stat $path ? Storable::retrieve $path : { };	2232	cf::db_put (guildrules => data => $pst->{guildrules});
1930	}	2233	cf::db_put (rent => balance => $pst->{rent}{balance});
		2234	BDB::db_env_txn_checkpoint $DB_ENV;
1931		2235
1932	my $pid;	2236	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	}	2237	};
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	},	2238	}
1980	);	2239	}
		2240	}
		2241
		2242	sub db_get($$) {
		2243	my $key = "$_[0]/$_[1]";
		2244
		2245	cf::sync_job {
		2246	BDB::db_get $DB, undef, $key, my $data;
		2247
		2248	$! ? ()
		2249	: Compress::LZF::sthaw $data
		2250	}
		2251	}
		2252
		2253	sub db_put($$$) {
		2254	BDB::dbreq_pri 4;
		2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1981	}	2256	}
1982		2257
1983	#############################################################################	2258	#############################################################################
1984	# the server's main()	2259	# the server's init and main functions
		2260
		2261	sub load_resources {
		2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2263	or die "unable to load regions file\n";#d#
		2264	}
1985		2265
1986	sub cfg_load {	2266	sub cfg_load {
1987	open my $fh, "<:utf8", cf::confdir . "/config"	2267	open my $fh, "<:utf8", cf::confdir . "/config"
1988	or return;	2268	or return;
1989		2269
1990	local $/;	2270	local $/;
1991	*CFG = YAML::Syck::Load <$fh>;	2271	*CFG = YAML::Syck::Load <$fh>;
1992		2272
1993	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2273	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1994		2274
		2275	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2276	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2277
1995	if (exists $CFG{mlockall}) {	2278	if (exists $CFG{mlockall}) {
1996	eval {	2279	eval {
1997	$CFG{mlockall} ? &mlockall : &munlockall	2280	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1998	and die "WARNING: m(un)lockall failed: $!\n";	2281	and die "WARNING: m(un)lockall failed: $!\n";
1999	};	2282	};
2000	warn $@ if $@;	2283	warn $@ if $@;
2001	}	2284	}
		2285	}
		2286
		2287	sub init {
		2288	load_resources;
2002	}	2289	}
2003		2290
2004	sub main {	2291	sub main {
2005	# we must not ever block the main coroutine	2292	# we must not ever block the main coroutine
2006	local $Coro::idle = sub {	2293	local $Coro::idle = sub {
2007	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2294	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2008	(Coro::unblock_sub {	2295	(async {
2009	Event::one_event;	2296	Event::one_event;
2010	})->();	2297	})->prio (Coro::PRIO_MAX);
2011	};	2298	};
2012		2299
2013	cfg_load;	2300	cfg_load;
2014	db_load;	2301	db_init;
2015	load_extensions;	2302	load_extensions;
		2303
		2304	$TICK_WATCHER->start;
		2305	$WRITE_RUNTIME_WATCHER->start;
2016	Event::loop;	2306	Event::loop;
2017	}	2307	}
2018		2308
2019	#############################################################################	2309	#############################################################################
2020	# initialisation	2310	# initialisation and cleanup
		2311
		2312	# install some emergency cleanup handlers
		2313	BEGIN {
		2314	for my $signal (qw(INT HUP TERM)) {
		2315	Event->signal (
		2316	reentrant => 0,
		2317	data => WF_AUTOCANCEL,
		2318	signal => $signal,
		2319	prio => 0,
		2320	cb => sub {
		2321	cf::cleanup "SIG$signal";
		2322	},
		2323	);
		2324	}
		2325	}
		2326
		2327	sub emergency_save() {
		2328	my $freeze_guard = cf::freeze_mainloop;
		2329
		2330	warn "enter emergency perl save\n";
		2331
		2332	cf::sync_job {
		2333	# use a peculiar iteration method to avoid tripping on perl
		2334	# refcount bugs in for. also avoids problems with players
		2335	# and maps saved/destroyed asynchronously.
		2336	warn "begin emergency player save\n";
		2337	for my $login (keys %cf::PLAYER) {
		2338	my $pl = $cf::PLAYER{$login} or next;
		2339	$pl->valid or next;
		2340	$pl->save;
		2341	}
		2342	warn "end emergency player save\n";
		2343
		2344	warn "begin emergency map save\n";
		2345	for my $path (keys %cf::MAP) {
		2346	my $map = $cf::MAP{$path} or next;
		2347	$map->valid or next;
		2348	$map->save;
		2349	}
		2350	warn "end emergency map save\n";
		2351
		2352	warn "begin emergency database checkpoint\n";
		2353	BDB::db_env_txn_checkpoint $DB_ENV;
		2354	warn "end emergency database checkpoint\n";
		2355	};
		2356
		2357	warn "leave emergency perl save\n";
		2358	}
		2359
		2360	sub post_cleanup {
		2361	my ($make_core) = @_;
		2362
		2363	warn Carp::longmess "post_cleanup backtrace"
		2364	if $make_core;
		2365	}
2021		2366
2022	sub reload() {	2367	sub reload() {
2023	# can/must only be called in main	2368	# can/must only be called in main
2024	if ($Coro::current != $Coro::main) {	2369	if ($Coro::current != $Coro::main) {
2025	warn "can only reload from main coroutine\n";	2370	warn "can only reload from main coroutine";
2026	return;	2371	return;
2027	}	2372	}
2028		2373
2029	warn "reloading...";	2374	warn "reloading...";
2030		2375
2031	local $FREEZE = 1;	2376	warn "entering sync_job";
		2377
		2378	cf::sync_job {
		2379	cf::write_runtime;
2032	cf::emergency_save;	2380	cf::emergency_save;
		2381	cf::write_runtime;
2033		2382
2034	eval {	2383	warn "syncing database to disk";
		2384	BDB::db_env_txn_checkpoint $DB_ENV;
		2385
2035	# if anything goes wrong in here, we should simply crash as we already saved	2386	# if anything goes wrong in here, we should simply crash as we already saved
2036		2387
2037	# cancel all watchers	2388	warn "cancelling all WF_AUTOCANCEL watchers";
2038	for (Event::all_watchers) {	2389	for (Event::all_watchers) {
2039	$_->cancel if $_->data & WF_AUTOCANCEL;	2390	$_->cancel if $_->data & WF_AUTOCANCEL;
2040	}	2391	}
2041		2392
		2393	warn "flushing outstanding aio requests";
		2394	for (;;) {
		2395	BDB::flush;
		2396	IO::AIO::flush;
		2397	Coro::cede;
		2398	last unless IO::AIO::nreqs || BDB::nreqs;
		2399	warn "iterate...";
		2400	}
		2401
2042	# cancel all extension coros	2402	warn "cancelling all extension coros";
2043	$_->cancel for values %EXT_CORO;	2403	$_->cancel for values %EXT_CORO;
2044	%EXT_CORO = ();	2404	%EXT_CORO = ();
2045		2405
2046	# unload all extensions	2406	warn "removing commands";
2047	for (@exts) {	2407	%COMMAND = ();
		2408
		2409	warn "removing ext commands";
		2410	%EXTCMD = ();
		2411
		2412	warn "unloading/nuking all extensions";
		2413	for my $pkg (@EXTS) {
2048	warn "unloading <$_>";	2414	warn "... unloading $pkg";
2049	unload_extension $_;	2415
		2416	if (my $cb = $pkg->can ("unload")) {
		2417	eval {
		2418	$cb->($pkg);
		2419	1
		2420	} or warn "$pkg unloaded, but with errors: $@";
2050	}	2421	}
2051		2422
		2423	warn "... nuking $pkg";
		2424	Symbol::delete_package $pkg;
		2425	}
		2426
2052	# unload all modules loaded from $LIBDIR	2427	warn "unloading all perl modules loaded from $LIBDIR";
2053	while (my ($k, $v) = each %INC) {	2428	while (my ($k, $v) = each %INC) {
2054	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2429	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2055		2430
2056	warn "removing <$k>";	2431	warn "... unloading $k";
2057	delete $INC{$k};	2432	delete $INC{$k};
2058		2433
2059	$k =~ s/\.pm$//;	2434	$k =~ s/\.pm$//;
2060	$k =~ s/\//::/g;	2435	$k =~ s/\//::/g;
2061		2436
…		…
2064	}	2439	}
2065		2440
2066	Symbol::delete_package $k;	2441	Symbol::delete_package $k;
2067	}	2442	}
2068		2443
2069	# sync database to disk
2070	cf::db_sync;
2071	IO::AIO::flush;
2072
2073	# get rid of safe::, as good as possible	2444	warn "getting rid of safe::, as good as possible";
2074	Symbol::delete_package "safe::$_"	2445	Symbol::delete_package "safe::$_"
2075	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2446	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2076		2447
2077	# remove register_script_function callbacks
2078	# TODO
2079
2080	# unload cf.pm "a bit"	2448	warn "unloading cf.pm \"a bit\"";
2081	delete $INC{"cf.pm"};	2449	delete $INC{"cf.pm"};
2082		2450
2083	# don't, removes xs symbols, too,	2451	# don't, removes xs symbols, too,
2084	# and global variables created in xs	2452	# and global variables created in xs
2085	#Symbol::delete_package __PACKAGE__;	2453	#Symbol::delete_package __PACKAGE__;
2086		2454
2087	# reload cf.pm	2455	warn "unload completed, starting to reload now";
		2456
2088	warn "reloading cf.pm";	2457	warn "reloading cf.pm";
2089	require cf;	2458	require cf;
2090	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2091		2460
2092	# load config and database again	2461	warn "loading config and database again";
2093	cf::cfg_load;	2462	cf::cfg_load;
2094	cf::db_load;
2095		2463
2096	# load extensions
2097	warn "load extensions";	2464	warn "loading extensions";
2098	cf::load_extensions;	2465	cf::load_extensions;
2099		2466
2100	# reattach attachments to objects	2467	warn "reattaching attachments to objects/players";
2101	warn "reattach";
2102	_global_reattach;	2468	_global_reattach;
2103	};	2469	warn "reattaching attachments to maps";
		2470	reattach $_ for values %MAP;
2104		2471
2105	if ($@) {	2472	warn "loading reloadable resources";
		2473	load_resources;
		2474
		2475	warn "leaving sync_job";
		2476
		2477	1
		2478	} or do {
2106	warn $@;	2479	warn $@;
2107	warn "error while reloading, exiting.";	2480	warn "error while reloading, exiting.";
2108	exit 1;	2481	exit 1;
2109	}	2482	};
2110		2483
2111	warn "reloaded successfully";	2484	warn "reloaded";
2112	};	2485	};
2113		2486
2114	#############################################################################	2487	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} = $LINK_MAP;
2155	}
2156
2157	register "<global>", __PACKAGE__;
2158		2488
2159	register_command "reload" => sub {	2489	register_command "reload" => sub {
2160	my ($who, $arg) = @_;	2490	my ($who, $arg) = @_;
2161		2491
2162	if ($who->flag (FLAG_WIZ)) {	2492	if ($who->flag (FLAG_WIZ)) {
2163	$who->message ("start of reload.");	2493	$who->message ("reloading server.");
		2494
		2495	# doing reload synchronously and two reloads happen back-to-back,
		2496	# coro crashes during coro_state_free->destroy here.
		2497
		2498	$RELOAD_WATCHER ||= Event->timer (
		2499	reentrant => 0,
		2500	after => 0,
		2501	data => WF_AUTOCANCEL,
		2502	cb => sub {
2164	reload;	2503	reload;
2165	$who->message ("end of reload.");	2504	undef $RELOAD_WATCHER;
		2505	},
		2506	);
2166	}	2507	}
2167	};	2508	};
2168		2509
2169	unshift @INC, $LIBDIR;	2510	unshift @INC, $LIBDIR;
		2511
		2512	my $bug_warning = 0;
2170		2513
2171	$TICK_WATCHER = Event->timer (	2514	$TICK_WATCHER = Event->timer (
2172	reentrant => 0,	2515	reentrant => 0,
		2516	parked => 1,
2173	prio => 0,	2517	prio => 0,
2174	at => $NEXT_TICK || $TICK,	2518	at => $NEXT_TICK || $TICK,
2175	data => WF_AUTOCANCEL,	2519	data => WF_AUTOCANCEL,
2176	cb => sub {	2520	cb => sub {
2177	unless ($FREEZE) {	2521	if ($Coro::current != $Coro::main) {
		2522	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2523	unless ++$bug_warning > 10;
		2524	return;
		2525	}
		2526
		2527	$NOW = Event::time;
		2528
2178	cf::server_tick; # one server iteration	2529	cf::server_tick; # one server iteration
2179	$RUNTIME += $TICK;	2530	$RUNTIME += $TICK;
2180	}
2181
2182	$NEXT_TICK += $TICK;	2531	$NEXT_TICK += $TICK;
		2532
		2533	$WAIT_FOR_TICK->broadcast;
		2534	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2535
		2536	# my $AFTER = Event::time;
		2537	# warn $AFTER - $NOW;#d#
2183		2538
2184	# if we are delayed by four ticks or more, skip them all	2539	# if we are delayed by four ticks or more, skip them all
2185	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2540	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2186		2541
2187	$TICK_WATCHER->at ($NEXT_TICK);	2542	$TICK_WATCHER->at ($NEXT_TICK);
2188	$TICK_WATCHER->start;	2543	$TICK_WATCHER->start;
2189	},	2544	},
2190	);	2545	);
2191		2546
		2547	{
		2548	BDB::max_poll_time $TICK * 0.1;
		2549	$BDB_POLL_WATCHER = Event->io (
		2550	reentrant => 0,
		2551	fd => BDB::poll_fileno,
		2552	poll => 'r',
		2553	prio => 0,
		2554	data => WF_AUTOCANCEL,
		2555	cb => \&BDB::poll_cb,
		2556	);
		2557	BDB::min_parallel 8;
		2558
		2559	BDB::set_sync_prepare {
		2560	my $status;
		2561	my $current = $Coro::current;
		2562	(
		2563	sub {
		2564	$status = $!;
		2565	$current->ready; undef $current;
		2566	},
		2567	sub {
		2568	Coro::schedule while defined $current;
		2569	$! = $status;
		2570	},
		2571	)
		2572	};
		2573
		2574	unless ($DB_ENV) {
		2575	$DB_ENV = BDB::db_env_create;
		2576
		2577	cf::sync_job {
		2578	eval {
		2579	BDB::db_env_open
		2580	$DB_ENV,
		2581	$BDB_ENV_DIR,
		2582	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2583	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2584	0666;
		2585
		2586	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2587
		2588	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2589	$DB_ENV->set_lk_detect;
		2590	};
		2591
		2592	cf::cleanup "db_env_open(db): $@" if $@;
		2593	};
		2594	}
		2595	}
		2596
		2597	{
		2598	IO::AIO::min_parallel 8;
		2599
		2600	undef $Coro::AIO::WATCHER;
2192	IO::AIO::max_poll_time $TICK * 0.2;	2601	IO::AIO::max_poll_time $TICK * 0.1;
2193		2602	$AIO_POLL_WATCHER = Event->io (
2194	Event->io (	2603	reentrant => 0,
2195	fd => IO::AIO::poll_fileno,	2604	fd => IO::AIO::poll_fileno,
2196	poll => 'r',	2605	poll => 'r',
2197	prio => 5,	2606	prio => 6,
2198	data => WF_AUTOCANCEL,	2607	data => WF_AUTOCANCEL,
2199	cb => \&IO::AIO::poll_cb,	2608	cb => \&IO::AIO::poll_cb,
2200	);	2609	);
		2610	}
2201		2611
2202	Event->timer (	2612	$WRITE_RUNTIME_WATCHER = Event->timer (
		2613	reentrant => 0,
2203	data => WF_AUTOCANCEL,	2614	data => WF_AUTOCANCEL,
		2615	parked => 1,
2204	after => 0,	2616	after => 1,
2205	interval => 10,	2617	interval => 10,
		2618	prio => 6, # keep it lowest so it acts like a watchdog
2206	cb => sub {	2619	cb => sub {
2207	(Coro::unblock_sub {	2620	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
		2621
		2622	Coro::async_pool {
2208	write_runtime	2623	write_runtime
2209	or warn "ERROR: unable to write runtime file: $!";	2624	or warn "ERROR: unable to write runtime file: $!";
2210	})->();	2625	};
2211	},	2626	},
2212	);	2627	);
2213		2628
2214	END { cf::emergency_save }	2629	END { cf::emergency_save }
2215		2630

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