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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.132 by root, Thu Jan 4 01:35:56 2007 UTC vs.
Revision 1.212 by root, Tue Feb 13 19:25:44 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	$map->last_access ((delete $map->{last_access})
1209	|| $cf::RUNTIME); #d#
1210	# safety
1211	$map->{instantiate_time} = $cf::RUNTIME
1212	if $map->{instantiate_time} > $cf::RUNTIME;
1213	} else {
1214	if (my $rmp = $path->random_map_params) {
1215	$map = generate_random_map $key, $rmp;
1216	} else {
1217	$map = try_load_header $path->load_path;
1218	}
1219
1220	$map or return;	1390	or return;
1221		1391
1222	$map->{load_original} = 1;
1223	$map->{instantiate_time} = $cf::RUNTIME;
1224	$map->last_access ($cf::RUNTIME);
1225	$map->instantiate;
1226
1227	# per-player maps become, after loading, normal maps
1228	$map->per_player (0) if $path->{user_rel};
1229	}
1230
1231	$map->path ($key);
1232	$map->{path} = $path;
1233	$map->{last_save} = $cf::RUNTIME;	1392	$map->{last_save} = $cf::RUNTIME;
1234		1393
1235	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;
1236	$map->reset;	1400	$map->reset;
1237	undef $guard;	1401	undef $guard;
1238	$map = find_map $path	1402	return find $path;
1239	or return;
1240	}	1403	}
1241		1404
1242	$cf::MAP{$key} = $map	1405	$cf::MAP{$path} = $map
1243	}	1406	}
1244	}	1407	}
		1408
		1409	sub pre_load { }
		1410	sub post_load { }
1245		1411
1246	sub load {	1412	sub load {
1247	my ($self) = @_;	1413	my ($self) = @_;
1248		1414
		1415	local $self->{deny_reset} = 1; # loading can take a long time
		1416
1249	my $path = $self->{path};	1417	my $path = $self->{path};
1250	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1418	my $guard = cf::lock_acquire "map_load:$path";
1251		1419
1252	return if $self->in_memory != cf::MAP_SWAPPED;	1420	return if $self->in_memory != cf::MAP_SWAPPED;
1253		1421
1254	$self->in_memory (cf::MAP_LOADING);	1422	$self->in_memory (cf::MAP_LOADING);
1255		1423
1256	$self->alloc;	1424	$self->alloc;
		1425
		1426	$self->pre_load;
		1427
1257	$self->load_objects ($self->{load_path}, 1)	1428	$self->_load_objects ($self->{load_path}, 1)
1258	or return;	1429	or return;
1259		1430
1260	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1261	if delete $self->{load_original};	1432	if delete $self->{load_original};
1262		1433
1263	if (my $uniq = $path->uniq_path) {	1434	if (my $uniq = $self->uniq_path) {
1264	utf8::encode $uniq;	1435	utf8::encode $uniq;
1265	if (aio_open $uniq, O_RDONLY, 0) {	1436	if (aio_open $uniq, O_RDONLY, 0) {
1266	$self->clear_unique_items;	1437	$self->clear_unique_items;
1267	$self->load_objects ($uniq, 0);	1438	$self->_load_objects ($uniq, 0);
1268	}	1439	}
1269	}	1440	}
		1441
		1442	Coro::cede;
1270		1443
1271	# now do the right thing for maps	1444	# now do the right thing for maps
1272	$self->link_multipart_objects;	1445	$self->link_multipart_objects;
1273		1446
1274	if ($self->{path}->is_style_map) {	1447	unless ($self->{deny_activate}) {
1275	$self->{deny_save} = 1;	1448	$self->decay_objects;
1276	$self->{deny_reset} = 1;
1277	} else {
1278	$self->fix_auto_apply;	1449	$self->fix_auto_apply;
1279	$self->decay_objects;
1280	$self->update_buttons;	1450	$self->update_buttons;
		1451	Coro::cede;
1281	$self->set_darkness_map;	1452	$self->set_darkness_map;
1282	$self->difficulty ($self->estimate_difficulty)	1453	$self->difficulty ($self->estimate_difficulty)
1283	unless $self->difficulty;	1454	unless $self->difficulty;
		1455	Coro::cede;
1284	$self->activate;	1456	$self->activate;
1285	}	1457	}
1286		1458
		1459	$self->post_load;
		1460
1287	$self->in_memory (cf::MAP_IN_MEMORY);	1461	$self->in_memory (cf::MAP_IN_MEMORY);
1288	}	1462	}
1289		1463
1290	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 {
1291	my ($path, $origin) = @_;	1498	my ($path, $origin) = @_;
1292		1499
1293	#warn "load_map_sync<$path, $origin>\n";#d#	1500	cf::sync_job { find $path, $origin }
		1501	}
1294		1502
1295	cf::sync_job {	1503	sub do_load_sync {
1296	my $map = cf::map::find_map $path, $origin	1504	my ($map) = @_;
1297	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;
1298	$map->load;	1527	$map->load;
1299	$map	1528
		1529	delete $MAP_PREFETCH{$path};
		1530	}
		1531	}
		1532	undef $MAP_PREFETCHER;
1300	}	1533	};
		1534	$MAP_PREFETCHER->prio (6);
		1535
		1536	()
1301	}	1537	}
1302		1538
1303	sub save {	1539	sub save {
1304	my ($self) = @_;	1540	my ($self) = @_;
1305		1541
		1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1543
1306	$self->{last_save} = $cf::RUNTIME;	1544	$self->{last_save} = $cf::RUNTIME;
1307		1545
1308	return unless $self->dirty;	1546	return unless $self->dirty;
1309		1547
1310	my $save = $self->{path}->save_path; utf8::encode $save;	1548	my $save = $self->save_path; utf8::encode $save;
1311	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1549	my $uniq = $self->uniq_path; utf8::encode $uniq;
1312		1550
1313	$self->{load_path} = $save;	1551	$self->{load_path} = $save;
1314		1552
1315	return if $self->{deny_save};	1553	return if $self->{deny_save};
1316		1554
1317	local $self->{last_access} = $self->last_access;#d#	1555	local $self->{last_access} = $self->last_access;#d#
1318		1556
		1557	cf::async {
		1558	$_->contr->save for $self->players;
		1559	};
		1560
1319	if ($uniq) {	1561	if ($uniq) {
1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1321	$self->save_objects ($uniq, cf::IO_UNIQUES);	1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1322	} else {	1564	} else {
1323	$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);
1324	}	1566	}
1325	}	1567	}
1326		1568
1327	sub swap_out {	1569	sub swap_out {
1328	my ($self) = @_;	1570	my ($self) = @_;
1329		1571
1330	# save first because save cedes	1572	# save first because save cedes
1331	$self->save;	1573	$self->save;
		1574
		1575	my $lock = cf::lock_acquire "map_data:" . $self->path;
1332		1576
1333	return if $self->players;	1577	return if $self->players;
1334	return if $self->in_memory != cf::MAP_IN_MEMORY;	1578	return if $self->in_memory != cf::MAP_IN_MEMORY;
1335	return if $self->{deny_save};	1579	return if $self->{deny_save};
1336		1580
…		…
1340		1584
1341	sub reset_at {	1585	sub reset_at {
1342	my ($self) = @_;	1586	my ($self) = @_;
1343		1587
1344	# TODO: safety, remove and allow resettable per-player maps	1588	# TODO: safety, remove and allow resettable per-player maps
1345	return 1e99 if $self->{path}{user_rel};	1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1346	return 1e99 if $self->{deny_reset};	1590	return 1e99 if $self->{deny_reset};
1347		1591
1348	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1349	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;
1350		1594
…		…
1355	my ($self) = @_;	1599	my ($self) = @_;
1356		1600
1357	$self->reset_at <= $cf::RUNTIME	1601	$self->reset_at <= $cf::RUNTIME
1358	}	1602	}
1359		1603
1360	sub unlink_save {
1361	my ($self) = @_;
1362
1363	utf8::encode (my $save = $self->{path}->save_path);
1364	aioreq_pri 3; IO::AIO::aio_unlink $save;
1365	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1366	}
1367
1368	sub rename {
1369	my ($self, $new_path) = @_;
1370
1371	$self->unlink_save;
1372
1373	delete $cf::MAP{$self->path};
1374	$self->{path} = new cf::path $new_path;
1375	$self->path ($self->{path}->as_string);
1376	$cf::MAP{$self->path} = $self;
1377
1378	$self->save;
1379	}
1380
1381	sub reset {	1604	sub reset {
1382	my ($self) = @_;	1605	my ($self) = @_;
1383		1606
		1607	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1608
1384	return if $self->players;	1609	return if $self->players;
1385	return if $self->{path}{user_rel};#d#	1610	return if $self->isa ("ext::map_per_player");#d#
1386		1611
1387	warn "resetting map ", $self->path;#d#	1612	warn "resetting map ", $self->path;#d#
1388		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
1389	delete $cf::MAP{$self->path};	1624	delete $cf::MAP{$self->path};
		1625
		1626	$self->clear;
1390		1627
1391	$_->clear_links_to ($self) for values %cf::MAP;	1628	$_->clear_links_to ($self) for values %cf::MAP;
1392		1629
1393	$self->unlink_save;	1630	$self->unlink_save;
1394	$self->destroy;	1631	$self->destroy;
…		…
1397	my $nuke_counter = "aaaa";	1634	my $nuke_counter = "aaaa";
1398		1635
1399	sub nuke {	1636	sub nuke {
1400	my ($self) = @_;	1637	my ($self) = @_;
1401		1638
		1639	delete $cf::MAP{$self->path};
		1640
		1641	$self->unlink_save;
		1642
		1643	bless $self, "cf::map";
		1644	delete $self->{deny_reset};
1402	$self->{deny_save} = 1;	1645	$self->{deny_save} = 1;
1403	$self->reset_timeout (1);	1646	$self->reset_timeout (1);
1404	$self->rename ("{nuke}/" . ($nuke_counter++));	1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1648
		1649	$cf::MAP{$self->path} = $self;
		1650
1405	$self->reset; # polite request, might not happen	1651	$self->reset; # polite request, might not happen
1406	}	1652	}
1407		1653
1408	sub customise_for {	1654	=item cf::map::unique_maps
1409	my ($map, $ob) = @_;
1410		1655
1411	if ($map->per_player) {	1656	Returns an arrayref of paths of all shared maps that have
1412	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1657	instantiated unique items. May block.
1413	}
1414		1658
1415	$map	1659	=cut
1416	}
1417		1660
1418	sub emergency_save {	1661	sub unique_maps() {
1419	local $cf::FREEZE = 1;	1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1663	or return;
1420		1664
1421	warn "enter emergency map save\n";	1665	my @paths;
1422		1666
1423	cf::sync_job {	1667	for (@$files) {
1424	warn "begin emergency map save\n";	1668	utf8::decode $_;
1425	$_->save for values %cf::MAP;	1669	next if /\.pst$/;
		1670	next unless /^$PATH_SEP/o;
		1671
		1672	push @paths, cf::map::normalise $_;
1426	};	1673	}
1427		1674
1428	warn "end emergency map save\n";	1675	\@paths
1429	}	1676	}
1430		1677
1431	package cf;	1678	package cf;
1432		1679
1433	=back	1680	=back
1434		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
1435		1708
1436	=head3 cf::object::player	1709	=head3 cf::object::player
1437		1710
1438	=over 4	1711	=over 4
1439		1712
…		…
1479		1752
1480	=item $player_object->enter_link	1753	=item $player_object->enter_link
1481		1754
1482	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}>).
1483		1756
1484	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
1485	I<MUST> call C<leave_link> as soon as possible, though.	1758	I<MUST> call C<leave_link> as soon as possible, though.
1486		1759
		1760	Will never block.
		1761
1487	=item $player_object->leave_link ($map, $x, $y)	1762	=item $player_object->leave_link ($map, $x, $y)
1488		1763
1489	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
1490	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
1491	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
1492	to the emergency map position.	1767	fails, to the emergency map position.
1493		1768
1494	Might block.	1769	Might block.
1495		1770
1496	=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	}
1497		1782
1498	sub cf::object::player::enter_link {	1783	sub cf::object::player::enter_link {
1499	my ($self) = @_;	1784	my ($self) = @_;
1500		1785
1501	$self->deactivate_recursive;	1786	$self->deactivate_recursive;
1502		1787
1503	return if $self->map == $LINK_MAP;	1788	return if UNIVERSAL::isa $self->map, "ext::map_link";
1504		1789
1505	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1506	if $self->map;	1791	if $self->map;
1507		1792
1508	$self->enter_map ($LINK_MAP, 20, 20);	1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1509	}	1794	}
1510		1795
1511	sub cf::object::player::leave_link {	1796	sub cf::object::player::leave_link {
1512	my ($self, $map, $x, $y) = @_;	1797	my ($self, $map, $x, $y) = @_;
1513		1798
1514	my $link_pos = delete $self->{_link_pos};	1799	my $link_pos = delete $self->{_link_pos};
1515		1800
1516	unless ($map) {	1801	unless ($map) {
1517	# restore original map position	1802	# restore original map position
1518	($map, $x, $y) = @{ $link_pos || [] };	1803	($map, $x, $y) = @{ $link_pos || [] };
1519	$map = cf::map::find_map $map;	1804	$map = cf::map::find $map;
1520		1805
1521	unless ($map) {	1806	unless ($map) {
1522	($map, $x, $y) = @$EMERGENCY_POSITION;	1807	($map, $x, $y) = @$EMERGENCY_POSITION;
1523	$map = cf::map::find_map $map	1808	$map = cf::map::find $map
1524	or die "FATAL: cannot load emergency map\n";	1809	or die "FATAL: cannot load emergency map\n";
1525	}	1810	}
1526	}	1811	}
1527		1812
1528	($x, $y) = (-1, -1)	1813	($x, $y) = (-1, -1)
…		…
1531	# use -1 or undef as default coordinates, not 0, 0	1816	# use -1 or undef as default coordinates, not 0, 0
1532	($x, $y) = ($map->enter_x, $map->enter_y)	1817	($x, $y) = ($map->enter_x, $map->enter_y)
1533	if $x <=0 && $y <= 0;	1818	if $x <=0 && $y <= 0;
1534		1819
1535	$map->load;	1820	$map->load;
		1821	$map->load_diag;
1536		1822
		1823	return unless $self->contr->active;
1537	$self->activate_recursive;	1824	$self->activate_recursive;
1538	$self->enter_map ($map, $x, $y);	1825	$self->enter_map ($map, $x, $y);
1539	}	1826	}
1540		1827
1541	cf::player->attach (	1828	cf::player->attach (
…		…
1554		1841
1555	# try to abort aborted map switching on player login :)	1842	# try to abort aborted map switching on player login :)
1556	# should happen only on crashes	1843	# should happen only on crashes
1557	if ($pl->ob->{_link_pos}) {	1844	if ($pl->ob->{_link_pos}) {
1558	$pl->ob->enter_link;	1845	$pl->ob->enter_link;
1559	cf::async {	1846	(async {
1560	# 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
1561	# 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);
1562	Coro::Timer::sleep 1;	1853	Coro::Timer::sleep 1;
1563	$pl->ob->leave_link;	1854	$pl->ob->leave_link;
1564	};	1855	})->prio (2);
1565	}	1856	}
1566	},	1857	},
1567	);	1858	);
1568		1859
1569	=item $player_object->goto_map ($path, $x, $y)	1860	=item $player_object->goto ($path, $x, $y)
1570		1861
1571	=cut	1862	=cut
1572		1863
1573	sub cf::object::player::goto_map {	1864	sub cf::object::player::goto {
1574	my ($self, $path, $x, $y) = @_;	1865	my ($self, $path, $x, $y) = @_;
1575		1866
1576	$self->enter_link;	1867	$self->enter_link;
1577		1868
1578	(cf::async {	1869	(async {
1579	$path = new cf::path $path;	1870	my $map = eval {
1580
1581	my $map = cf::map::find_map $path->as_string;	1871	my $map = cf::map::find $path;
1582	$map = $map->customise_for ($self) if $map;	1872	$map = $map->customise_for ($self) if $map;
1583		1873	$map
1584	# warn "entering ", $map->path, " at ($x, $y)\n"	1874	} or
1585	# if $map;
1586
1587	$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);
1588		1876
1589	$self->leave_link ($map, $x, $y);	1877	$self->leave_link ($map, $x, $y);
1590	})->prio (1);	1878	})->prio (1);
1591	}	1879	}
1592		1880
…		…
1596		1884
1597	sub parse_random_map_params {	1885	sub parse_random_map_params {
1598	my ($spec) = @_;	1886	my ($spec) = @_;
1599		1887
1600	my $rmp = { # defaults	1888	my $rmp = { # defaults
1601	xsize => 10,	1889	xsize => (cf::rndm 15, 40),
1602	ysize => 10,	1890	ysize => (cf::rndm 15, 40),
		1891	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1892	#layout => string,
1603	};	1893	};
1604		1894
1605	for (split /\n/, $spec) {	1895	for (split /\n/, $spec) {
1606	my ($k, $v) = split /\s+/, $_, 2;	1896	my ($k, $v) = split /\s+/, $_, 2;
1607		1897
…		…
1611	$rmp	1901	$rmp
1612	}	1902	}
1613		1903
1614	sub prepare_random_map {	1904	sub prepare_random_map {
1615	my ($exit) = @_;	1905	my ($exit) = @_;
		1906
		1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1616		1908
1617	# all this does is basically replace the /! path by	1909	# all this does is basically replace the /! path by
1618	# a new random map path (?random/...) with a seed	1910	# a new random map path (?random/...) with a seed
1619	# that depends on the exit object	1911	# that depends on the exit object
1620		1912
1621	my $rmp = parse_random_map_params $exit->msg;	1913	my $rmp = parse_random_map_params $exit->msg;
1622		1914
1623	if ($exit->map) {	1915	if ($exit->map) {
1624	$rmp->{region} = $exit->map->region_name;	1916	$rmp->{region} = $exit->region->name;
1625	$rmp->{origin_map} = $exit->map->path;	1917	$rmp->{origin_map} = $exit->map->path;
1626	$rmp->{origin_x} = $exit->x;	1918	$rmp->{origin_x} = $exit->x;
1627	$rmp->{origin_y} = $exit->y;	1919	$rmp->{origin_y} = $exit->y;
1628	}	1920	}
1629		1921
1630	$rmp->{random_seed} ||= $exit->random_seed;	1922	$rmp->{random_seed} ||= $exit->random_seed;
1631		1923
1632	my $data = cf::to_json $rmp;	1924	my $data = cf::to_json $rmp;
1633	my $md5 = Digest::MD5::md5_hex $data;	1925	my $md5 = Digest::MD5::md5_hex $data;
		1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1634		1927
1635	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) {
1636	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;
1637		1932
1638	$exit->slaying ("?random/$md5");	1933	$exit->slaying ("?random/$md5");
1639	$exit->msg (undef);	1934	$exit->msg (undef);
1640	}	1935	}
1641	}	1936	}
…		…
1643	sub cf::object::player::enter_exit {	1938	sub cf::object::player::enter_exit {
1644	my ($self, $exit) = @_;	1939	my ($self, $exit) = @_;
1645		1940
1646	return unless $self->type == cf::PLAYER;	1941	return unless $self->type == cf::PLAYER;
1647		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
1648	$self->enter_link;	1952	$self->enter_link;
1649		1953
1650	(cf::async {	1954	(async {
		1955	$self->deactivate_recursive; # just to be sure
1651	unless (eval {	1956	unless (eval {
1652	prepare_random_map $exit	1957	$self->goto ($slaying, $hp, $sp);
1653	if $exit->slaying eq "/!";
1654
1655	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1656	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1657		1958
1658	1;	1959	1;
1659	}) {	1960	}) {
1660	$self->message ("Something went wrong deep within the crossfire server. "	1961	$self->message ("Something went wrong deep within the crossfire server. "
1661	. "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. "
1662	. "Please report this to the dungeon master",	1963	. "Please report this to the dungeon master!",
1663	cf::NDI_UNIQUE | cf::NDI_RED);	1964	cf::NDI_UNIQUE | cf::NDI_RED);
1664		1965
1665	warn "ERROR in enter_exit: $@";	1966	warn "ERROR in enter_exit: $@";
1666	$self->leave_link;	1967	$self->leave_link;
1667	}	1968	}
…		…
1722	# get handled first	2023	# get handled first
1723	my $queue = delete $ns->{query_queue}	2024	my $queue = delete $ns->{query_queue}
1724	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
1725		2026
1726	(shift @$queue)->[1]->($msg);	2027	(shift @$queue)->[1]->($msg);
		2028	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1727		2029
1728	push @{ $ns->{query_queue} }, @$queue;	2030	push @{ $ns->{query_queue} }, @$queue;
1729		2031
1730	if (@{ $ns->{query_queue} } == @$queue) {	2032	if (@{ $ns->{query_queue} } == @$queue) {
1731	if (@$queue) {	2033	if (@$queue) {
…		…
1735	}	2037	}
1736	}	2038	}
1737	},	2039	},
1738	);	2040	);
1739		2041
1740	=item $client->coro (\&cb)	2042	=item $client->async (\&cb)
1741		2043
1742	Create a new coroutine, running the specified callback. The coroutine will	2044	Create a new coroutine, running the specified callback. The coroutine will
1743	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,
1744	or loss of connection).	2046	or loss of connection).
1745		2047
1746	=cut	2048	=cut
1747		2049
1748	sub cf::client::coro {	2050	sub cf::client::async {
1749	my ($self, $cb) = @_;	2051	my ($self, $cb) = @_;
1750		2052
1751	my $coro = &cf::async ($cb);	2053	my $coro = &Coro::async ($cb);
1752		2054
1753	$coro->on_destroy (sub {	2055	$coro->on_destroy (sub {
1754	delete $self->{_coro}{$coro+0};	2056	delete $self->{_coro}{$coro+0};
1755	});	2057	});
1756		2058
…		…
1892	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
1893	using it, it should be unique.	2195	using it, it should be unique.
1894		2196
1895	=over 4	2197	=over 4
1896		2198
1897	=item $hashref = cf::db_get $family
1898
1899	Return a hashref for use by the extension C<$family>, which can be
1900	modified. After modifications, you have to call C<cf::db_dirty> or
1901	C<cf::db_sync>.
1902
1903	=item $value = cf::db_get $family => $key	2199	=item $value = cf::db_get $family => $key
1904		2200
1905	Returns a single value from the database	2201	Returns a single value from the database.
1906
1907	=item cf::db_put $family => $hashref
1908
1909	Stores the given family hashref into the database. Updates are delayed, if
1910	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1911		2202
1912	=item cf::db_put $family => $key => $value	2203	=item cf::db_put $family => $key => $value
1913		2204
1914	Stores the given C<$value> in the family hash. Updates are delayed, if you	2205	Stores the given C<$value> in the family.
1915	want the data to be synced to disk immediately, use C<cf::db_sync>.
1916
1917	=item cf::db_dirty
1918
1919	Marks the database as dirty, to be updated at a later time.
1920
1921	=item cf::db_sync
1922
1923	Immediately write the database to disk I<if it is dirty>.
1924		2206
1925	=cut	2207	=cut
1926		2208
1927	our $DB;	2209	our $DB;
1928		2210
1929	{	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
1930	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;
1931		2230
1932	sub db_load() {	2231	cf::db_put (board => data => $pst->{board});
1933	$DB = stat $path ? Storable::retrieve $path : { };	2232	cf::db_put (guildrules => data => $pst->{guildrules});
1934	}	2233	cf::db_put (rent => balance => $pst->{rent}{balance});
		2234	BDB::db_env_txn_checkpoint $DB_ENV;
1935		2235
1936	my $pid;	2236	unlink $path;
1937
1938	sub db_save() {
1939	waitpid $pid, 0 if $pid;
1940	if (0 == ($pid = fork)) {
1941	$DB->{_meta}{version} = 1;
1942	Storable::nstore $DB, "$path~";
1943	rename "$path~", $path;
1944	cf::_exit 0 if defined $pid;
1945	}	2237	};
1946	}
1947
1948	my $dirty;
1949
1950	sub db_sync() {
1951	db_save if $dirty;
1952	undef $dirty;
1953	}
1954
1955	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1956	db_sync;
1957	});
1958
1959	sub db_dirty() {
1960	$dirty = 1;
1961	$idle->start;
1962	}
1963
1964	sub db_get($;$) {
1965	@_ >= 2
1966	? $DB->{$_[0]}{$_[1]}
1967	: ($DB->{$_[0]} ||= { })
1968	}
1969
1970	sub db_put($$;$) {
1971	if (@_ >= 3) {
1972	$DB->{$_[0]}{$_[1]} = $_[2];
1973	} else {
1974	$DB->{$_[0]} = $_[1];
1975	}
1976	db_dirty;
1977	}
1978
1979	cf::global->attach (
1980	prio => 10000,
1981	on_cleanup => sub {
1982	db_sync;
1983	},	2238	}
1984	);	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 { };
1985	}	2256	}
1986		2257
1987	#############################################################################	2258	#############################################################################
1988	# 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	}
1989		2265
1990	sub cfg_load {	2266	sub cfg_load {
1991	open my $fh, "<:utf8", cf::confdir . "/config"	2267	open my $fh, "<:utf8", cf::confdir . "/config"
1992	or return;	2268	or return;
1993		2269
1994	local $/;	2270	local $/;
1995	*CFG = YAML::Syck::Load <$fh>;	2271	*CFG = YAML::Syck::Load <$fh>;
1996		2272
1997	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2273	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1998		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
1999	if (exists $CFG{mlockall}) {	2278	if (exists $CFG{mlockall}) {
2000	eval {	2279	eval {
2001	$CFG{mlockall} ? &mlockall : &munlockall	2280	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2002	and die "WARNING: m(un)lockall failed: $!\n";	2281	and die "WARNING: m(un)lockall failed: $!\n";
2003	};	2282	};
2004	warn $@ if $@;	2283	warn $@ if $@;
2005	}	2284	}
		2285	}
		2286
		2287	sub init {
		2288	load_resources;
2006	}	2289	}
2007		2290
2008	sub main {	2291	sub main {
2009	# we must not ever block the main coroutine	2292	# we must not ever block the main coroutine
2010	local $Coro::idle = sub {	2293	local $Coro::idle = sub {
2011	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#
2012	(Coro::unblock_sub {	2295	(async {
2013	Event::one_event;	2296	Event::one_event;
2014	})->();	2297	})->prio (Coro::PRIO_MAX);
2015	};	2298	};
2016		2299
2017	cfg_load;	2300	cfg_load;
2018	db_load;	2301	db_init;
2019	load_extensions;	2302	load_extensions;
		2303
		2304	$TICK_WATCHER->start;
2020	Event::loop;	2305	Event::loop;
2021	}	2306	}
2022		2307
2023	#############################################################################	2308	#############################################################################
2024	# initialisation	2309	# initialisation and cleanup
		2310
		2311	# install some emergency cleanup handlers
		2312	BEGIN {
		2313	for my $signal (qw(INT HUP TERM)) {
		2314	Event->signal (
		2315	reentrant => 0,
		2316	data => WF_AUTOCANCEL,
		2317	signal => $signal,
		2318	prio => 0,
		2319	cb => sub {
		2320	cf::cleanup "SIG$signal";
		2321	},
		2322	);
		2323	}
		2324	}
		2325
		2326	sub emergency_save() {
		2327	my $freeze_guard = cf::freeze_mainloop;
		2328
		2329	warn "enter emergency perl save\n";
		2330
		2331	cf::sync_job {
		2332	# use a peculiar iteration method to avoid tripping on perl
		2333	# refcount bugs in for. also avoids problems with players
		2334	# and maps saved/destroyed asynchronously.
		2335	warn "begin emergency player save\n";
		2336	for my $login (keys %cf::PLAYER) {
		2337	my $pl = $cf::PLAYER{$login} or next;
		2338	$pl->valid or next;
		2339	$pl->save;
		2340	}
		2341	warn "end emergency player save\n";
		2342
		2343	warn "begin emergency map save\n";
		2344	for my $path (keys %cf::MAP) {
		2345	my $map = $cf::MAP{$path} or next;
		2346	$map->valid or next;
		2347	$map->save;
		2348	}
		2349	warn "end emergency map save\n";
		2350
		2351	warn "begin emergency database checkpoint\n";
		2352	BDB::db_env_txn_checkpoint $DB_ENV;
		2353	warn "end emergency database checkpoint\n";
		2354	};
		2355
		2356	warn "leave emergency perl save\n";
		2357	}
		2358
		2359	sub post_cleanup {
		2360	my ($make_core) = @_;
		2361
		2362	warn Carp::longmess "post_cleanup backtrace"
		2363	if $make_core;
		2364	}
2025		2365
2026	sub reload() {	2366	sub reload() {
2027	# can/must only be called in main	2367	# can/must only be called in main
2028	if ($Coro::current != $Coro::main) {	2368	if ($Coro::current != $Coro::main) {
2029	warn "can only reload from main coroutine\n";	2369	warn "can only reload from main coroutine";
2030	return;	2370	return;
2031	}	2371	}
2032		2372
2033	warn "reloading...";	2373	warn "reloading...";
2034		2374
2035	local $FREEZE = 1;	2375	warn "entering sync_job";
		2376
		2377	sync_job {
		2378	write_runtime;
2036	cf::emergency_save;	2379	cf::emergency_save;
		2380	write_runtime;
2037		2381
2038	eval {	2382	warn "syncing database to disk";
		2383	BDB::db_env_txn_checkpoint $DB_ENV;
		2384
2039	# if anything goes wrong in here, we should simply crash as we already saved	2385	# if anything goes wrong in here, we should simply crash as we already saved
2040		2386
2041	# cancel all watchers	2387	warn "cancelling all WF_AUTOCANCEL watchers";
2042	for (Event::all_watchers) {	2388	for (Event::all_watchers) {
2043	$_->cancel if $_->data & WF_AUTOCANCEL;	2389	$_->cancel if $_->data & WF_AUTOCANCEL;
2044	}	2390	}
2045		2391
		2392	warn "flushing outstanding aio requests";
		2393	for (;;) {
		2394	BDB::flush;
		2395	IO::AIO::flush;
		2396	Coro::cede;
		2397	last unless IO::AIO::nreqs || BDB::nreqs;
		2398	warn "iterate...";
		2399	}
		2400
2046	# cancel all extension coros	2401	warn "cancelling all extension coros";
2047	$_->cancel for values %EXT_CORO;	2402	$_->cancel for values %EXT_CORO;
2048	%EXT_CORO = ();	2403	%EXT_CORO = ();
2049		2404
2050	# unload all extensions	2405	warn "removing commands";
2051	for (@exts) {	2406	%COMMAND = ();
		2407
		2408	warn "removing ext commands";
		2409	%EXTCMD = ();
		2410
		2411	warn "unloading/nuking all extensions";
		2412	for my $pkg (@EXTS) {
2052	warn "unloading <$_>";	2413	warn "... unloading $pkg";
2053	unload_extension $_;	2414
		2415	if (my $cb = $pkg->can ("unload")) {
		2416	eval {
		2417	$cb->($pkg);
		2418	1
		2419	} or warn "$pkg unloaded, but with errors: $@";
2054	}	2420	}
2055		2421
		2422	warn "... nuking $pkg";
		2423	Symbol::delete_package $pkg;
		2424	}
		2425
2056	# unload all modules loaded from $LIBDIR	2426	warn "unloading all perl modules loaded from $LIBDIR";
2057	while (my ($k, $v) = each %INC) {	2427	while (my ($k, $v) = each %INC) {
2058	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2428	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2059		2429
2060	warn "removing <$k>";	2430	warn "... unloading $k";
2061	delete $INC{$k};	2431	delete $INC{$k};
2062		2432
2063	$k =~ s/\.pm$//;	2433	$k =~ s/\.pm$//;
2064	$k =~ s/\//::/g;	2434	$k =~ s/\//::/g;
2065		2435
…		…
2068	}	2438	}
2069		2439
2070	Symbol::delete_package $k;	2440	Symbol::delete_package $k;
2071	}	2441	}
2072		2442
2073	# sync database to disk
2074	cf::db_sync;
2075	IO::AIO::flush;
2076
2077	# get rid of safe::, as good as possible	2443	warn "getting rid of safe::, as good as possible";
2078	Symbol::delete_package "safe::$_"	2444	Symbol::delete_package "safe::$_"
2079	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2445	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2080		2446
2081	# remove register_script_function callbacks
2082	# TODO
2083
2084	# unload cf.pm "a bit"	2447	warn "unloading cf.pm \"a bit\"";
2085	delete $INC{"cf.pm"};	2448	delete $INC{"cf.pm"};
2086		2449
2087	# don't, removes xs symbols, too,	2450	# don't, removes xs symbols, too,
2088	# and global variables created in xs	2451	# and global variables created in xs
2089	#Symbol::delete_package __PACKAGE__;	2452	#Symbol::delete_package __PACKAGE__;
2090		2453
2091	# reload cf.pm	2454	warn "unload completed, starting to reload now";
		2455
2092	warn "reloading cf.pm";	2456	warn "reloading cf.pm";
2093	require cf;	2457	require cf;
2094	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2458	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2095		2459
2096	# load config and database again	2460	warn "loading config and database again";
2097	cf::cfg_load;	2461	cf::cfg_load;
2098	cf::db_load;
2099		2462
2100	# load extensions
2101	warn "load extensions";	2463	warn "loading extensions";
2102	cf::load_extensions;	2464	cf::load_extensions;
2103		2465
2104	# reattach attachments to objects	2466	warn "reattaching attachments to objects/players";
2105	warn "reattach";
2106	_global_reattach;	2467	_global_reattach;
2107	};	2468	warn "reattaching attachments to maps";
		2469	reattach $_ for values %MAP;
2108		2470
2109	if ($@) {	2471	warn "loading reloadable resources";
		2472	load_resources;
		2473
		2474	warn "leaving sync_job";
		2475
		2476	1
		2477	} or do {
2110	warn $@;	2478	warn $@;
2111	warn "error while reloading, exiting.";	2479	warn "error while reloading, exiting.";
2112	exit 1;	2480	exit 1;
2113	}	2481	};
2114		2482
2115	warn "reloaded successfully";	2483	warn "reloaded";
2116	};	2484	};
2117		2485
2118	#############################################################################	2486	our $RELOAD_WATCHER; # used only during reload
2119
2120	unless ($LINK_MAP) {
2121	$LINK_MAP = cf::map::new;
2122
2123	$LINK_MAP->width (41);
2124	$LINK_MAP->height (41);
2125	$LINK_MAP->alloc;
2126	$LINK_MAP->path ("{link}");
2127	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2128	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2129
2130	# dirty hack because... archetypes are not yet loaded
2131	Event->timer (
2132	after => 2,
2133	cb => sub {
2134	$_[0]->w->cancel;
2135
2136	# provide some exits "home"
2137	my $exit = cf::object::new "exit";
2138
2139	$exit->slaying ($EMERGENCY_POSITION->[0]);
2140	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2141	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2142
2143	$LINK_MAP->insert ($exit->clone, 19, 19);
2144	$LINK_MAP->insert ($exit->clone, 19, 20);
2145	$LINK_MAP->insert ($exit->clone, 19, 21);
2146	$LINK_MAP->insert ($exit->clone, 20, 19);
2147	$LINK_MAP->insert ($exit->clone, 20, 21);
2148	$LINK_MAP->insert ($exit->clone, 21, 19);
2149	$LINK_MAP->insert ($exit->clone, 21, 20);
2150	$LINK_MAP->insert ($exit->clone, 21, 21);
2151
2152	$exit->destroy;
2153	});
2154
2155	$LINK_MAP->{deny_save} = 1;
2156	$LINK_MAP->{deny_reset} = 1;
2157
2158	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2159	}
2160
2161	register "<global>", __PACKAGE__;
2162		2487
2163	register_command "reload" => sub {	2488	register_command "reload" => sub {
2164	my ($who, $arg) = @_;	2489	my ($who, $arg) = @_;
2165		2490
2166	if ($who->flag (FLAG_WIZ)) {	2491	if ($who->flag (FLAG_WIZ)) {
2167	$who->message ("start of reload.");	2492	$who->message ("reloading server.");
		2493
		2494	# doing reload synchronously and two reloads happen back-to-back,
		2495	# coro crashes during coro_state_free->destroy here.
		2496
		2497	$RELOAD_WATCHER ||= Event->timer (
		2498	reentrant => 0,
		2499	after => 0,
		2500	data => WF_AUTOCANCEL,
		2501	cb => sub {
2168	reload;	2502	reload;
2169	$who->message ("end of reload.");	2503	undef $RELOAD_WATCHER;
		2504	},
		2505	);
2170	}	2506	}
2171	};	2507	};
2172		2508
2173	unshift @INC, $LIBDIR;	2509	unshift @INC, $LIBDIR;
		2510
		2511	my $bug_warning = 0;
2174		2512
2175	$TICK_WATCHER = Event->timer (	2513	$TICK_WATCHER = Event->timer (
2176	reentrant => 0,	2514	reentrant => 0,
		2515	parked => 1,
2177	prio => 0,	2516	prio => 0,
2178	at => $NEXT_TICK || $TICK,	2517	at => $NEXT_TICK || $TICK,
2179	data => WF_AUTOCANCEL,	2518	data => WF_AUTOCANCEL,
2180	cb => sub {	2519	cb => sub {
2181	unless ($FREEZE) {	2520	if ($Coro::current != $Coro::main) {
		2521	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2522	unless ++$bug_warning > 10;
		2523	return;
		2524	}
		2525
		2526	$NOW = Event::time;
		2527
2182	cf::server_tick; # one server iteration	2528	cf::server_tick; # one server iteration
2183	$RUNTIME += $TICK;	2529	$RUNTIME += $TICK;
2184	}
2185
2186	$NEXT_TICK += $TICK;	2530	$NEXT_TICK += $TICK;
		2531
		2532	$WAIT_FOR_TICK->broadcast;
		2533	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2534
		2535	# my $AFTER = Event::time;
		2536	# warn $AFTER - $NOW;#d#
2187		2537
2188	# if we are delayed by four ticks or more, skip them all	2538	# if we are delayed by four ticks or more, skip them all
2189	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2539	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2190		2540
2191	$TICK_WATCHER->at ($NEXT_TICK);	2541	$TICK_WATCHER->at ($NEXT_TICK);
2192	$TICK_WATCHER->start;	2542	$TICK_WATCHER->start;
2193	},	2543	},
2194	);	2544	);
2195		2545
		2546	{
		2547	BDB::max_poll_time $TICK * 0.1;
		2548	$BDB_POLL_WATCHER = Event->io (
		2549	reentrant => 0,
		2550	fd => BDB::poll_fileno,
		2551	poll => 'r',
		2552	prio => 0,
		2553	data => WF_AUTOCANCEL,
		2554	cb => \&BDB::poll_cb,
		2555	);
		2556	BDB::min_parallel 8;
		2557
		2558	BDB::set_sync_prepare {
		2559	my $status;
		2560	my $current = $Coro::current;
		2561	(
		2562	sub {
		2563	$status = $!;
		2564	$current->ready; undef $current;
		2565	},
		2566	sub {
		2567	Coro::schedule while defined $current;
		2568	$! = $status;
		2569	},
		2570	)
		2571	};
		2572
		2573	unless ($DB_ENV) {
		2574	$DB_ENV = BDB::db_env_create;
		2575
		2576	cf::sync_job {
		2577	eval {
		2578	BDB::db_env_open
		2579	$DB_ENV,
		2580	$BDB_ENV_DIR,
		2581	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2582	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2583	0666;
		2584
		2585	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2586
		2587	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2588	$DB_ENV->set_lk_detect;
		2589	};
		2590
		2591	cf::cleanup "db_env_open(db): $@" if $@;
		2592	};
		2593	}
		2594	}
		2595
		2596	{
		2597	IO::AIO::min_parallel 8;
		2598
		2599	undef $Coro::AIO::WATCHER;
2196	IO::AIO::max_poll_time $TICK * 0.2;	2600	IO::AIO::max_poll_time $TICK * 0.1;
2197		2601	$AIO_POLL_WATCHER = Event->io (
2198	Event->io (	2602	reentrant => 0,
2199	fd => IO::AIO::poll_fileno,	2603	fd => IO::AIO::poll_fileno,
2200	poll => 'r',	2604	poll => 'r',
2201	prio => 5,	2605	prio => 6,
2202	data => WF_AUTOCANCEL,	2606	data => WF_AUTOCANCEL,
2203	cb => \&IO::AIO::poll_cb,	2607	cb => \&IO::AIO::poll_cb,
2204	);	2608	);
		2609	}
2205		2610
2206	Event->timer (	2611	$WRITE_RUNTIME_WATCHER = Event->timer (
		2612	reentrant => 0,
2207	data => WF_AUTOCANCEL,	2613	data => WF_AUTOCANCEL,
		2614	parked => 1,
2208	after => 0,	2615	after => 1,
2209	interval => 10,	2616	interval => 10,
		2617	prio => 6, # keep it lowest so it acts like a watchdog
2210	cb => sub {	2618	cb => sub {
2211	(Coro::unblock_sub {	2619	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
		2620
		2621	Coro::async_pool {
2212	write_runtime	2622	write_runtime
2213	or warn "ERROR: unable to write runtime file: $!";	2623	or warn "ERROR: unable to write runtime file: $!";
2214	})->();	2624	};
2215	},	2625	},
2216	);	2626	);
2217		2627
2218	END { cf::emergency_save }	2628	END { cf::emergency_save }
2219		2629

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