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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.130 by root, Thu Jan 4 00:08:08 2007 UTC vs.
Revision 1.211 by root, Tue Feb 13 16:23:32 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3 ();	13	use Coro 3.5 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use BDB ();
		21	use Data::Dumper;
20	use Digest::MD5;	22	use Digest::MD5;
21	use Fcntl;	23	use Fcntl;
22	use IO::AIO 2.31 ();	24	use IO::AIO 2.32 ();
23	use YAML::Syck ();	25	use YAML::Syck ();
24	use Time::HiRes;	26	use Time::HiRes;
		27	use Compress::LZF;
		28
		29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
25		30
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
		32
		33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
27		34
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	36	$YAML::Syck::ImplicitUnicode = 1;
30		37
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		39
35	our %COMMAND = ();	40	our %COMMAND = ();
36	our %COMMAND_TIME = ();	41	our %COMMAND_TIME = ();
		42
		43	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	44	our %EXTCMD = ();
		45	our %EXT_CORO = (); # coroutines bound to extensions
		46	our %EXT_MAP = (); # pluggable maps
38		47
39	our @EVENT;	48	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	49	our $LIBDIR = datadir . "/ext";
41		50
42	our $TICK = MAX_TIME * 1e-6;	51	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	52	our $TICK_WATCHER;
		53	our $AIO_POLL_WATCHER;
		54	our $WRITE_RUNTIME_WATCHER;
44	our $NEXT_TICK;	55	our $NEXT_TICK;
45	our $NOW;	56	our $NOW;
		57	our $USE_FSYNC = 1; # use fsync to write maps - default off
		58
		59	our $BDB_POLL_WATCHER;
		60	our $DB_ENV;
46		61
47	our %CFG;	62	our %CFG;
48		63
49	our $UPTIME; $UPTIME ||= time;	64	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	65	our $RUNTIME;
51		66
		67	our %PLAYER; # all users
52	our %MAP; # all maps	68	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	69	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	70	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	71	our $BDB_ENV_DIR = cf::localdir . "/db";
		72
		73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		75
		76	# used to convert map paths into valid unix filenames by replacing / by ∕
		77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		78
58	binmode STDOUT;	79	binmode STDOUT;
59	binmode STDERR;	80	binmode STDERR;
60		81
61	# read virtual server time, if available	82	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	89	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	90	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	91	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	92	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	93	mkdir $RANDOM_MAPS;
		94	mkdir $BDB_ENV_DIR;
73		95
74	# a special map that is always available	96	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		97
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	98	sub cf::map::normalise;
78		99
79	#############################################################################	100	#############################################################################
80		101
81	=head2 GLOBAL VARIABLES	102	=head2 GLOBAL VARIABLES
82		103
…		…
106		127
107	=item %cf::CFG	128	=item %cf::CFG
108		129
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	130	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	131	from wherever your confdir points to.
		132
		133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		134
		135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		137	processing has been done. Call C<< ->wait >> on them to maximise the
		138	window of cpu time available, or simply to synchronise to the server tick.
111		139
112	=back	140	=back
113		141
114	=cut	142	=cut
115		143
…		…
119	utf8::encode $msg;	147	utf8::encode $msg;
120		148
121	$msg .= "\n"	149	$msg .= "\n"
122	unless $msg =~ /\n$/;	150	unless $msg =~ /\n$/;
123		151
124	LOG llevError, "cfperl: $msg";	152	LOG llevError, $msg;
125	};	153	};
126	}	154	}
127		155
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		175
148	$Event::DIED = sub {	176	$Event::DIED = sub {
149	warn "error in event callback: @_";	177	warn "error in event callback: @_";
150	};	178	};
151		179
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	180	=head2 UTILITY FUNCTIONS
157		181
158	=over 4	182	=over 4
159		183
		184	=item dumpval $ref
		185
160	=cut	186	=cut
		187
		188	sub dumpval {
		189	eval {
		190	local $SIG{__DIE__};
		191	my $d;
		192	if (1) {
		193	$d = new Data::Dumper([$_[0]], ["*var"]);
		194	$d->Terse(1);
		195	$d->Indent(2);
		196	$d->Quotekeys(0);
		197	$d->Useqq(1);
		198	#$d->Bless(...);
		199	$d->Seen($_[1]) if @_ > 1;
		200	$d = $d->Dump();
		201	}
		202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		203	$d
		204	} || "[unable to dump $_[0]: '$@']";
		205	}
161		206
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	207	use JSON::Syck (); # TODO# replace by JSON::PC once working
163		208
164	=item $ref = cf::from_json $json	209	=item $ref = cf::from_json $json
165		210
…		…
181	sub to_json($) {	226	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	228	JSON::Syck::Dump $_[0]
184	}	229	}
185		230
186	=item my $guard = cf::guard { BLOCK }
187
188	Run the given callback when the guard object gets destroyed (useful for
189	coroutine cancellations).
190
191	You can call C<< ->cancel >> on the guard object to stop the block from
192	being executed.
193
194	=cut
195
196	sub guard(&) {
197	bless \(my $cb = $_[0]), cf::guard::;
198	}
199
200	sub cf::guard::cancel {
201	${$_[0]} = sub { };
202	}
203
204	sub cf::guard::DESTROY {
205	${$_[0]}->();
206	}
207
208	=item cf::lock_wait $string	231	=item cf::lock_wait $string
209		232
210	Wait until the given lock is available. See cf::lock_acquire.	233	Wait until the given lock is available. See cf::lock_acquire.
211		234
212	=item my $lock = cf::lock_acquire $string	235	=item my $lock = cf::lock_acquire $string
213		236
214	Wait until the given lock is available and then acquires it and returns	237	Wait until the given lock is available and then acquires it and returns
215	a guard object. If the guard object gets destroyed (goes out of scope,	238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
216	for example when the coroutine gets canceled), the lock is automatically	239	for example when the coroutine gets canceled), the lock is automatically
217	returned.	240	returned.
218		241
219	Lock names should begin with a unique identifier (for example, find_map	242	Lock names should begin with a unique identifier (for example, cf::map::find
220	uses map_find and load_map uses map_load).	243	uses map_find and cf::map::load uses map_load).
221		244
222	=cut	245	=cut
223		246
224	our %LOCK;	247	our %LOCK;
225		248
…		…
239	# wait, to be sure we are not locked	262	# wait, to be sure we are not locked
240	lock_wait $key;	263	lock_wait $key;
241		264
242	$LOCK{$key} = [];	265	$LOCK{$key} = [];
243		266
244	cf::guard {	267	Coro::guard {
245	# wake up all waiters, to be on the safe side	268	# wake up all waiters, to be on the safe side
246	$_->ready for @{ delete $LOCK{$key} };	269	$_->ready for @{ delete $LOCK{$key} };
247	}	270	}
248	}	271	}
249		272
		273	sub freeze_mainloop {
		274	return unless $TICK_WATCHER->is_active;
		275
		276	my $guard = Coro::guard {
		277	$TICK_WATCHER->start;
		278	$WRITE_RUNTIME_WATCHER->start;
		279	};
		280	$WRITE_RUNTIME_WATCHER->stop;
		281	$TICK_WATCHER->stop;
		282	$guard
		283	}
		284
250	=item cf::async { BLOCK }	285	=item cf::async { BLOCK }
251		286
252	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	287	Currently the same as Coro::async_pool, meaning you cannot use
253	error instead of exiting the server in case of a problem.	288	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		289	thing you are allowed to do is call C<prio> on it.
254		290
255	=cut	291	=cut
256		292
257	sub async(&) {	293	BEGIN { *async = \&Coro::async_pool }
258	my ($cb) = @_;
259
260	Coro::async {
261	eval { $cb->() };
262	warn $@ if $@;
263	}
264	}
265		294
266	=item cf::sync_job { BLOCK }	295	=item cf::sync_job { BLOCK }
267		296
268	The design of crossfire+ requires that the main coro ($Coro::main) is	297	The design of crossfire+ requires that the main coro ($Coro::main) is
269	always able to handle events or runnable, as crossfire+ is only partly	298	always able to handle events or runnable, as crossfire+ is only partly
…		…
283	# this is the main coro, too bad, we have to block	312	# this is the main coro, too bad, we have to block
284	# till the operation succeeds, freezing the server :/	313	# till the operation succeeds, freezing the server :/
285		314
286	# TODO: use suspend/resume instead	315	# TODO: use suspend/resume instead
287	# (but this is cancel-safe)	316	# (but this is cancel-safe)
288	local $FREEZE = 1;	317	my $freeze_guard = freeze_mainloop;
289		318
290	my $busy = 1;	319	my $busy = 1;
291	my @res;	320	my @res;
292		321
293	(Coro::async {	322	(async {
294	@res = eval { $job->() };	323	@res = eval { $job->() };
295	warn $@ if $@;	324	warn $@ if $@;
296	undef $busy;	325	undef $busy;
297	})->prio (Coro::PRIO_MAX);	326	})->prio (Coro::PRIO_MAX);
298		327
299	while ($busy) {	328	while ($busy) {
300	Coro::cede_notself;	329	Coro::cede or Event::one_event;
301	Event::one_event unless Coro::nready;
302	}	330	}
303		331
304	wantarray ? @res : $res[0]	332	wantarray ? @res : $res[0]
305	} else {	333	} else {
306	# we are in another coroutine, how wonderful, everything just works	334	# we are in another coroutine, how wonderful, everything just works
307		335
308	$job->()	336	$job->()
309	}	337	}
310	}	338	}
311		339
312	=item $coro = cf::coro { BLOCK }	340	=item $coro = cf::async_ext { BLOCK }
313		341
314	Creates and returns a new coro. This coro is automcatially being canceled	342	Like async, but this coro is automatically being canceled when the
315	when the extension calling this is being unloaded.	343	extension calling this is being unloaded.
316		344
317	=cut	345	=cut
318		346
319	sub coro(&) {	347	sub async_ext(&) {
320	my $cb = shift;	348	my $cb = shift;
321		349
322	my $coro = &cf::async ($cb);	350	my $coro = &Coro::async ($cb);
323		351
324	$coro->on_destroy (sub {	352	$coro->on_destroy (sub {
325	delete $EXT_CORO{$coro+0};	353	delete $EXT_CORO{$coro+0};
326	});	354	});
327	$EXT_CORO{$coro+0} = $coro;	355	$EXT_CORO{$coro+0} = $coro;
328		356
329	$coro	357	$coro
330	}	358	}
331		359
332	sub write_runtime {	360	sub write_runtime {
		361	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
		362
333	my $runtime = cf::localdir . "/runtime";	363	my $runtime = cf::localdir . "/runtime";
334		364
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	365	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
336	or return;	366	or return;
337		367
		368	my $value = $cf::RUNTIME + 90 + 10;
338	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	369	# 10 is the runtime save interval, for a monotonic clock
		370	# 60 allows for the watchdog to kill the server.
		371
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0	372	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;	373	and return;
341		374
		375	# always fsync - this file is important
342	aio_fsync $fh	376	aio_fsync $fh
343	and return;	377	and return;
344		378
345	close $fh	379	close $fh
346	or return;	380	or return;
…		…
352	}	386	}
353		387
354	=back	388	=back
355		389
356	=cut	390	=cut
357
358	#############################################################################
359
360	package cf::path;
361
362	sub new {
363	my ($class, $path, $base) = @_;
364
365	$path = $path->as_string if ref $path;
366
367	my $self = bless { }, $class;
368
369	# {... are special paths that are not touched
370	# ?xxx/... are special absolute paths
371	# ?random/... random maps
372	# /! non-realised random map exit
373	# /... normal maps
374	# ~/... per-player maps without a specific player (DO NOT USE)
375	# ~user/... per-player map of a specific user
376
377	if ($path =~ /^{/) {
378	# fine as it is
379	} elsif ($path =~ s{^\?random/}{}) {
380	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
381	$self->{random} = cf::from_json $data;
382	} else {
383	if ($path =~ s{^~([^/]+)?}{}) {
384	$self->{user_rel} = 1;
385
386	if (defined $1) {
387	$self->{user} = $1;
388	} elsif ($base =~ m{^~([^/]+)/}) {
389	$self->{user} = $1;
390	} else {
391	warn "cannot resolve user-relative path without user <$path,$base>\n";
392	}
393	} elsif ($path =~ /^\//) {
394	# already absolute
395	} else {
396	$base =~ s{[^/]+/?$}{};
397	return $class->new ("$base/$path");
398	}
399
400	for ($path) {
401	redo if s{/\.?/}{/};
402	redo if s{/[^/]+/\.\./}{/};
403	}
404	}
405
406	$self->{path} = $path;
407
408	$self
409	}
410
411	# the name / primary key / in-game path
412	sub as_string {
413	my ($self) = @_;
414
415	$self->{user_rel} ? "~$self->{user}$self->{path}"
416	: $self->{random} ? "?random/$self->{path}"
417	: $self->{path}
418	}
419
420	# the displayed name, this is a one way mapping
421	sub visible_name {
422	my ($self) = @_;
423
424	# if (my $rmp = $self->{random}) {
425	# # todo: be more intelligent about this
426	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
427	# } else {
428	$self->as_string
429	# }
430	}
431
432	# escape the /'s in the path
433	sub _escaped_path {
434	# ∕ is U+2215
435	(my $path = $_[0]{path}) =~ s/\//∕/g;
436	$path
437	}
438
439	# the original (read-only) location
440	sub load_path {
441	my ($self) = @_;
442
443	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
444	}
445
446	# the temporary/swap location
447	sub save_path {
448	my ($self) = @_;
449
450	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
451	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
452	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
453	}
454
455	# the unique path, might be eq to save_path
456	sub uniq_path {
457	my ($self) = @_;
458
459	$self->{user_rel} || $self->{random}
460	? undef
461	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
462	}
463
464	# return random map parameters, or undef
465	sub random_map_params {
466	my ($self) = @_;
467
468	$self->{random}
469	}
470
471	# this is somewhat ugly, but style maps do need special treatment
472	sub is_style_map {
473	$_[0]{path} =~ m{^/styles/}
474	}
475
476	package cf;
477		391
478	#############################################################################	392	#############################################################################
479		393
480	=head2 ATTACHABLE OBJECTS	394	=head2 ATTACHABLE OBJECTS
481		395
…		…
607	our @CB_TYPE = (); # registry for type (cf-object class) based events	521	our @CB_TYPE = (); # registry for type (cf-object class) based events
608	our @CB_MAP = ();	522	our @CB_MAP = ();
609		523
610	my %attachment;	524	my %attachment;
611		525
		526	sub cf::attachable::thawer_merge {
		527	# simply override everything except _meta
		528	local $_[0]{_meta};
		529	%{$_[0]} = %{$_[1]};
		530	}
		531
612	sub _attach_cb($$$$) {	532	sub _attach_cb($$$$) {
613	my ($registry, $event, $prio, $cb) = @_;	533	my ($registry, $event, $prio, $cb) = @_;
614		534
615	use sort 'stable';	535	use sort 'stable';
616		536
…		…
787	# object support	707	# object support
788		708
789	sub reattach {	709	sub reattach {
790	# basically do the same as instantiate, without calling instantiate	710	# basically do the same as instantiate, without calling instantiate
791	my ($obj) = @_;	711	my ($obj) = @_;
		712
		713	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
792		714
793	my $registry = $obj->registry;	715	my $registry = $obj->registry;
794		716
795	@$registry = ();	717	@$registry = ();
796		718
…		…
843	$filename, length $$rdata, scalar @$objs;	765	$filename, length $$rdata, scalar @$objs;
844		766
845	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	767	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
846	chmod SAVE_MODE, $fh;	768	chmod SAVE_MODE, $fh;
847	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	769	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
848	aio_fsync $fh;	770	aio_fsync $fh if $cf::USE_FSYNC;
849	close $fh;	771	close $fh;
850		772
851	if (@$objs) {	773	if (@$objs) {
852	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	774	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
853	chmod SAVE_MODE, $fh;	775	chmod SAVE_MODE, $fh;
854	my $data = Storable::nfreeze { version => 1, objs => $objs };	776	my $data = Storable::nfreeze { version => 1, objs => $objs };
855	aio_write $fh, 0, (length $data), $data, 0;	777	aio_write $fh, 0, (length $data), $data, 0;
856	aio_fsync $fh;	778	aio_fsync $fh if $cf::USE_FSYNC;
857	close $fh;	779	close $fh;
858	aio_rename "$filename.pst~", "$filename.pst";	780	aio_rename "$filename.pst~", "$filename.pst";
859	}	781	}
860	} else {	782	} else {
861	aio_unlink "$filename.pst";	783	aio_unlink "$filename.pst";
…		…
867	}	789	}
868	} else {	790	} else {
869	aio_unlink $filename;	791	aio_unlink $filename;
870	aio_unlink "$filename.pst";	792	aio_unlink "$filename.pst";
871	}	793	}
		794
		795	#d##TODO# nuke non .map-files if exist
		796	if ($filename =~ s/\.map$//) {
		797	aio_unlink $filename;
		798	aio_unlink "$filename.pst";
		799	}
872	}	800	}
873	}	801	}
874		802
875	sub object_freezer_as_string {	803	sub object_freezer_as_string {
876	my ($rdata, $objs) = @_;	804	my ($rdata, $objs) = @_;
…		…
882		810
883	sub object_thawer_load {	811	sub object_thawer_load {
884	my ($filename) = @_;	812	my ($filename) = @_;
885		813
886	my ($data, $av);	814	my ($data, $av);
		815
		816	#d#TODO remove .map if file does not exist
		817	aio_stat $filename and $filename =~ s/\.map$//;
887		818
888	(aio_load $filename, $data) >= 0	819	(aio_load $filename, $data) >= 0
889	or return;	820	or return;
890		821
891	unless (aio_stat "$filename.pst") {	822	unless (aio_stat "$filename.pst") {
…		…
928	=cut	859	=cut
929		860
930	sub register_extcmd {	861	sub register_extcmd {
931	my ($name, $cb) = @_;	862	my ($name, $cb) = @_;
932		863
933	my $caller = caller;
934	#warn "registering extcmd '$name' to '$caller'";
935
936	$EXTCMD{$name} = [$cb, $caller];	864	$EXTCMD{$name} = $cb;
937	}	865	}
938		866
939	cf::player->attach (	867	cf::player->attach (
940	on_command => sub {	868	on_command => sub {
941	my ($pl, $name, $params) = @_;	869	my ($pl, $name, $params) = @_;
…		…
954		882
955	my $msg = eval { from_json $buf };	883	my $msg = eval { from_json $buf };
956		884
957	if (ref $msg) {	885	if (ref $msg) {
958	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	886	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
959	if (my %reply = $cb->[0]->($pl, $msg)) {	887	if (my %reply = $cb->($pl, $msg)) {
960	$pl->ext_reply ($msg->{msgid}, %reply);	888	$pl->ext_reply ($msg->{msgid}, %reply);
961	}	889	}
962	}	890	}
963	} else {	891	} else {
964	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	892	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
966		894
967	cf::override;	895	cf::override;
968	},	896	},
969	);	897	);
970		898
971	sub register {
972	my ($base, $pkg) = @_;
973
974	#TODO
975	}
976
977	sub load_extension {	899	sub load_extension {
978	my ($path) = @_;	900	my ($path) = @_;
979		901
980	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	902	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
981	my $base = $1;	903	my $base = $1;
982	my $pkg = $1;	904	my $pkg = $1;
983	$pkg =~ s/[^[:word:]]/_/g;	905	$pkg =~ s/[^[:word:]]/_/g;
984	$pkg = "ext::$pkg";	906	$pkg = "ext::$pkg";
985		907
986	warn "loading '$path' into '$pkg'\n";	908	warn "... loading '$path' into '$pkg'\n";
987		909
988	open my $fh, "<:utf8", $path	910	open my $fh, "<:utf8", $path
989	or die "$path: $!";	911	or die "$path: $!";
990		912
991	my $source =	913	my $source =
992	"package $pkg; use strict; use utf8;\n"	914	"package $pkg; use strict; use utf8;\n"
993	. "#line 1 \"$path\"\n{\n"	915	. "#line 1 \"$path\"\n{\n"
994	. (do { local $/; <$fh> })	916	. (do { local $/; <$fh> })
995	. "\n};\n1";	917	. "\n};\n1";
996		918
997	eval $source	919	unless (eval $source) {
998	or die $@ ? "$path: $@\n"	920	my $msg = $@ ? "$path: $@\n"
999	: "extension disabled.\n";	921	: "extension disabled.\n";
1000		922	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1001	push @exts, $pkg;	923	warn $@;
1002	$ext_pkg{$base} = $pkg;	924	warn "mandatory extension failed to load, exiting.\n";
1003		925	exit 1;
1004	# no strict 'refs';	926	}
1005	# @{"$pkg\::ISA"} = ext::;	927	die $@;
1006
1007	register $base, $pkg;
1008	}
1009
1010	sub unload_extension {
1011	my ($pkg) = @_;
1012
1013	warn "removing extension $pkg\n";
1014
1015	# remove hooks
1016	#TODO
1017	# for my $idx (0 .. $#PLUGIN_EVENT) {
1018	# delete $hook[$idx]{$pkg};
1019	# }	928	}
1020		929
1021	# remove commands	930	push @EXTS, $pkg;
1022	for my $name (keys %COMMAND) {
1023	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1024
1025	if (@cb) {
1026	$COMMAND{$name} = \@cb;
1027	} else {
1028	delete $COMMAND{$name};
1029	}
1030	}
1031
1032	# remove extcmds
1033	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1034	delete $EXTCMD{$name};
1035	}
1036
1037	if (my $cb = $pkg->can ("unload")) {
1038	eval {
1039	$cb->($pkg);
1040	1
1041	} or warn "$pkg unloaded, but with errors: $@";
1042	}
1043
1044	Symbol::delete_package $pkg;
1045	}	931	}
1046		932
1047	sub load_extensions {	933	sub load_extensions {
1048	for my $ext (<$LIBDIR/*.ext>) {	934	for my $ext (<$LIBDIR/*.ext>) {
1049	next unless -r $ext;	935	next unless -r $ext;
…		…
1053	} or warn "$ext not loaded: $@";	939	} or warn "$ext not loaded: $@";
1054	}	940	}
1055	}	941	}
1056		942
1057	#############################################################################	943	#############################################################################
1058	# load/save/clean perl data associated with a map
1059
1060	*cf::mapsupport::on_clean = sub {
1061	my ($map) = @_;
1062
1063	my $path = $map->tmpname;
1064	defined $path or return;
1065
1066	unlink "$path.pst";
1067	};
1068
1069	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1070
1071	#############################################################################
1072	# load/save perl data associated with player->ob objects
1073
1074	sub all_objects(@) {
1075	@_, map all_objects ($_->inv), @_
1076	}
1077
1078	# TODO: compatibility cruft, remove when no longer needed
1079	cf::player->attach (
1080	on_load => sub {
1081	my ($pl, $path) = @_;
1082
1083	for my $o (all_objects $pl->ob) {
1084	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1085	$o->set_ob_key_value ("_perl_data");
1086
1087	%$o = %{ Storable::thaw pack "H*", $value };
1088	}
1089	}
1090	},
1091	);
1092
1093	#############################################################################
1094		944
1095	=head2 CORE EXTENSIONS	945	=head2 CORE EXTENSIONS
1096		946
1097	Functions and methods that extend core crossfire objects.	947	Functions and methods that extend core crossfire objects.
1098		948
		949	=cut
		950
		951	package cf::player;
		952
		953	use Coro::AIO;
		954
1099	=head3 cf::player	955	=head3 cf::player
1100		956
1101	=over 4	957	=over 4
1102		958
1103	=item cf::player::exists $login	959	=item cf::player::find $login
1104		960
1105	Returns true when the given account exists.	961	Returns the given player object, loading it if necessary (might block).
1106		962
1107	=cut	963	=cut
1108		964
1109	sub cf::player::exists($) {	965	sub playerdir($) {
1110	cf::player::find $_[0]	966	cf::localdir
1111	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	967	. "/"
		968	. cf::playerdir
		969	. "/"
		970	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		971	}
		972
		973	sub path($) {
		974	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		975
		976	(playerdir $login) . "/$login.pl"
		977	}
		978
		979	sub find_active($) {
		980	$cf::PLAYER{$_[0]}
		981	and $cf::PLAYER{$_[0]}->active
		982	and $cf::PLAYER{$_[0]}
		983	}
		984
		985	sub exists($) {
		986	my ($login) = @_;
		987
		988	$cf::PLAYER{$login}
		989	or cf::sync_job { !aio_stat path $login }
		990	}
		991
		992	sub find($) {
		993	return $cf::PLAYER{$_[0]} || do {
		994	my $login = $_[0];
		995
		996	my $guard = cf::lock_acquire "user_find:$login";
		997
		998	$cf::PLAYER{$_[0]} || do {
		999	my $pl = load_pl path $login
		1000	or return;
		1001	$cf::PLAYER{$login} = $pl
		1002	}
		1003	}
		1004	}
		1005
		1006	sub save($) {
		1007	my ($pl) = @_;
		1008
		1009	return if $pl->{deny_save};
		1010
		1011	my $path = path $pl;
		1012	my $guard = cf::lock_acquire "user_save:$path";
		1013
		1014	return if $pl->{deny_save};
		1015
		1016	aio_mkdir playerdir $pl, 0770;
		1017	$pl->{last_save} = $cf::RUNTIME;
		1018
		1019	$pl->save_pl ($path);
		1020	Coro::cede;
		1021	}
		1022
		1023	sub new($) {
		1024	my ($login) = @_;
		1025
		1026	my $self = create;
		1027
		1028	$self->ob->name ($login);
		1029	$self->{deny_save} = 1;
		1030
		1031	$cf::PLAYER{$login} = $self;
		1032
		1033	$self
		1034	}
		1035
		1036	=item $pl->quit_character
		1037
		1038	Nukes the player without looking back. If logged in, the connection will
		1039	be destroyed. May block for a long time.
		1040
		1041	=cut
		1042
		1043	sub quit_character {
		1044	my ($pl) = @_;
		1045
		1046	$pl->{deny_save} = 1;
		1047	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1048
		1049	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1050	$pl->deactivate;
		1051	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1052	$pl->ns->destroy if $pl->ns;
		1053
		1054	my $path = playerdir $pl;
		1055	my $temp = "$path~$cf::RUNTIME~deleting~";
		1056	aio_rename $path, $temp;
		1057	delete $cf::PLAYER{$pl->ob->name};
		1058	$pl->destroy;
		1059	IO::AIO::aio_rmtree $temp;
		1060	}
		1061
		1062	=item cf::player::list_logins
		1063
		1064	Returns am arrayref of all valid playernames in the system, can take a
		1065	while and may block, so not sync_job-capable, ever.
		1066
		1067	=cut
		1068
		1069	sub list_logins {
		1070	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1071	or return [];
		1072
		1073	my @logins;
		1074
		1075	for my $login (@$dirs) {
		1076	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1077	aio_read $fh, 0, 512, my $buf, 0 or next;
		1078	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1079
		1080	utf8::decode $login;
		1081	push @logins, $login;
		1082	}
		1083
		1084	\@logins
		1085	}
		1086
		1087	=item $player->maps
		1088
		1089	Returns an arrayref of map paths that are private for this
		1090	player. May block.
		1091
		1092	=cut
		1093
		1094	sub maps($) {
		1095	my ($pl) = @_;
		1096
		1097	$pl = ref $pl ? $pl->ob->name : $pl;
		1098
		1099	my $files = aio_readdir playerdir $pl
		1100	or return;
		1101
		1102	my @paths;
		1103
		1104	for (@$files) {
		1105	utf8::decode $_;
		1106	next if /\.(?:pl|pst)$/;
		1107	next unless /^$PATH_SEP/o;
		1108
		1109	push @paths, cf::map::normalise "~$pl/$_";
		1110	}
		1111
		1112	\@paths
1112	}	1113	}
1113		1114
1114	=item $player->ext_reply ($msgid, $msgtype, %msg)	1115	=item $player->ext_reply ($msgid, $msgtype, %msg)
1115		1116
1116	Sends an ext reply to the player.	1117	Sends an ext reply to the player.
1117		1118
1118	=cut	1119	=cut
1119		1120
1120	sub cf::player::ext_reply($$$%) {	1121	sub ext_reply($$$%) {
1121	my ($self, $id, %msg) = @_;	1122	my ($self, $id, %msg) = @_;
1122		1123
1123	$msg{msgid} = $id;	1124	$msg{msgid} = $id;
1124		1125
1125	$self->send ("ext " . to_json \%msg);	1126	$self->send ("ext " . cf::to_json \%msg);
1126	}	1127	}
		1128
		1129	package cf;
1127		1130
1128	=back	1131	=back
1129		1132
1130		1133
1131	=head3 cf::map	1134	=head3 cf::map
…		…
1137	package cf::map;	1140	package cf::map;
1138		1141
1139	use Fcntl;	1142	use Fcntl;
1140	use Coro::AIO;	1143	use Coro::AIO;
1141		1144
		1145	use overload
		1146	'""' => \&as_string,
		1147	fallback => 1;
		1148
1142	our $MAX_RESET = 7200;	1149	our $MAX_RESET = 3600;
1143	our $DEFAULT_RESET = 3600;	1150	our $DEFAULT_RESET = 3000;
1144		1151
1145	sub generate_random_map {	1152	sub generate_random_map {
1146	my ($path, $rmp) = @_;	1153	my ($self, $rmp) = @_;
1147
1148	# mit "rum" bekleckern, nicht	1154	# mit "rum" bekleckern, nicht
1149	cf::map::_create_random_map	1155	$self->_create_random_map (
1150	$path,
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1156	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1157	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1158	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1154	$rmp->{exit_on_final_map},	1159	$rmp->{exit_on_final_map},
1155	$rmp->{xsize}, $rmp->{ysize},	1160	$rmp->{xsize}, $rmp->{ysize},
1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1161	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1162	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1163	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1159	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1164	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1165	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1161	(cf::region::find $rmp->{region})	1166	(cf::region::find $rmp->{region}), $rmp->{custom}
		1167	)
		1168	}
		1169
		1170	=item cf::map->register ($regex, $prio)
		1171
		1172	Register a handler for the map path matching the given regex at the
		1173	givne priority (higher is better, built-in handlers have priority 0, the
		1174	default).
		1175
		1176	=cut
		1177
		1178	sub register {
		1179	my (undef, $regex, $prio) = @_;
		1180	my $pkg = caller;
		1181
		1182	no strict;
		1183	push @{"$pkg\::ISA"}, __PACKAGE__;
		1184
		1185	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1186	}
		1187
		1188	# also paths starting with '/'
		1189	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1190
		1191	sub thawer_merge {
		1192	my ($self, $merge) = @_;
		1193
		1194	# we have to keep some variables in memory intact
		1195	local $self->{path};
		1196	local $self->{load_path};
		1197	local $self->{deny_save};
		1198	local $self->{deny_reset};
		1199
		1200	$self->SUPER::thawer_merge ($merge);
		1201	}
		1202
		1203	sub normalise {
		1204	my ($path, $base) = @_;
		1205
		1206	$path = "$path"; # make sure its a string
		1207
		1208	$path =~ s/\.map$//;
		1209
		1210	# map plan:
		1211	#
		1212	# /! non-realised random map exit (special hack!)
		1213	# {... are special paths that are not being touched
		1214	# ?xxx/... are special absolute paths
		1215	# ?random/... random maps
		1216	# /... normal maps
		1217	# ~user/... per-player map of a specific user
		1218
		1219	$path =~ s/$PATH_SEP/\//go;
		1220
		1221	# treat it as relative path if it starts with
		1222	# something that looks reasonable
		1223	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1224	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1225
		1226	$base =~ s{[^/]+/?$}{};
		1227	$path = "$base/$path";
		1228	}
		1229
		1230	for ($path) {
		1231	redo if s{//}{/};
		1232	redo if s{/\.?/}{/};
		1233	redo if s{/[^/]+/\.\./}{/};
		1234	}
		1235
		1236	$path
		1237	}
		1238
		1239	sub new_from_path {
		1240	my (undef, $path, $base) = @_;
		1241
		1242	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1243
		1244	$path = normalise $path, $base;
		1245
		1246	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1247	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1248	my $self = bless cf::map::new, $pkg;
		1249	$self->{path} = $path; $self->path ($path);
		1250	$self->init; # pass $1 etc.
		1251	return $self;
		1252	}
		1253	}
		1254
		1255	Carp::carp "unable to resolve path '$path' (base '$base').";
		1256	()
		1257	}
		1258
		1259	sub init {
		1260	my ($self) = @_;
		1261
		1262	$self
		1263	}
		1264
		1265	sub as_string {
		1266	my ($self) = @_;
		1267
		1268	"$self->{path}"
		1269	}
		1270
		1271	# the displayed name, this is a one way mapping
		1272	sub visible_name {
		1273	&as_string
		1274	}
		1275
		1276	# the original (read-only) location
		1277	sub load_path {
		1278	my ($self) = @_;
		1279
		1280	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1281	}
		1282
		1283	# the temporary/swap location
		1284	sub save_path {
		1285	my ($self) = @_;
		1286
		1287	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1288	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1289	}
		1290
		1291	# the unique path, undef == no special unique path
		1292	sub uniq_path {
		1293	my ($self) = @_;
		1294
		1295	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1296	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1162	}	1297	}
1163		1298
1164	# and all this just because we cannot iterate over	1299	# and all this just because we cannot iterate over
1165	# all maps in C++...	1300	# all maps in C++...
1166	sub change_all_map_light {	1301	sub change_all_map_light {
…		…
1168		1303
1169	$_->change_map_light ($change)	1304	$_->change_map_light ($change)
1170	for grep $_->outdoor, values %cf::MAP;	1305	for grep $_->outdoor, values %cf::MAP;
1171	}	1306	}
1172		1307
		1308	sub unlink_save {
		1309	my ($self) = @_;
		1310
		1311	utf8::encode (my $save = $self->save_path);
		1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1314
		1315	#d#TODO remove .map and also nuke
		1316	$save =~ s/\.map// or return;#d#
		1317	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1318	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1319	}
		1320
1173	sub try_load_header($) {	1321	sub load_header_from($) {
1174	my ($path) = @_;	1322	my ($self, $path) = @_;
1175		1323
1176	utf8::encode $path;	1324	utf8::encode $path;
1177	aio_open $path, O_RDONLY, 0	1325	#aio_open $path, O_RDONLY, 0
		1326	# or return;
		1327
		1328	$self->_load_header ($path)
1178	or return;	1329	or return;
1179		1330
1180	my $map = cf::map::new	1331	$self->{load_path} = $path;
		1332
		1333	1
		1334	}
		1335
		1336	sub load_header_orig {
		1337	my ($self) = @_;
		1338
		1339	$self->load_header_from ($self->load_path)
		1340	}
		1341
		1342	sub load_header_temp {
		1343	my ($self) = @_;
		1344
		1345	$self->load_header_from ($self->save_path)
		1346	}
		1347
		1348	sub prepare_temp {
		1349	my ($self) = @_;
		1350
		1351	$self->last_access ((delete $self->{last_access})
		1352	|| $cf::RUNTIME); #d#
		1353	# safety
		1354	$self->{instantiate_time} = $cf::RUNTIME
		1355	if $self->{instantiate_time} > $cf::RUNTIME;
		1356	}
		1357
		1358	sub prepare_orig {
		1359	my ($self) = @_;
		1360
		1361	$self->{load_original} = 1;
		1362	$self->{instantiate_time} = $cf::RUNTIME;
		1363	$self->last_access ($cf::RUNTIME);
		1364	$self->instantiate;
		1365	}
		1366
		1367	sub load_header {
		1368	my ($self) = @_;
		1369
		1370	if ($self->load_header_temp) {
		1371	$self->prepare_temp;
		1372	} else {
		1373	$self->load_header_orig
1181	or return;	1374	or return;
		1375	$self->prepare_orig;
		1376	}
1182		1377
1183	$map->load_header ($path)	1378	1
1184	or return;
1185
1186	$map->{load_path} = $path;
1187
1188	$map
1189	}	1379	}
1190		1380
1191	sub find_map;	1381	sub find;
1192	sub find_map {	1382	sub find {
1193	my ($path, $origin) = @_;	1383	my ($path, $origin) = @_;
1194		1384
1195	#warn "find_map<$path,$origin>\n";#d#
1196
1197	$path = new cf::path $path, $origin && $origin->path;	1385	$path = normalise $path, $origin && $origin->path;
1198	my $key = $path->as_string;
1199		1386
1200	cf::lock_wait "map_find:$key";	1387	cf::lock_wait "map_find:$path";
1201		1388
1202	$cf::MAP{$key} || do {	1389	$cf::MAP{$path} || do {
1203	my $guard = cf::lock_acquire "map_find:$key";	1390	my $guard = cf::lock_acquire "map_find:$path";
1204		1391	my $map = new_from_path cf::map $path
1205	# do it the slow way
1206	my $map = try_load_header $path->save_path;
1207
1208	if ($map) {
1209	# safety
1210	$map->{instantiate_time} = $cf::RUNTIME
1211	if $map->{instantiate_time} > $cf::RUNTIME;
1212	} else {
1213	if (my $rmp = $path->random_map_params) {
1214	$map = generate_random_map $key, $rmp;
1215	} else {
1216	$map = try_load_header $path->load_path;
1217	}
1218
1219	$map or return;	1392	or return;
1220		1393
1221	$map->{load_original} = 1;
1222	$map->{instantiate_time} = $cf::RUNTIME;
1223	$map->instantiate;
1224
1225	# per-player maps become, after loading, normal maps
1226	$map->per_player (0) if $path->{user_rel};
1227	}
1228
1229	$map->path ($key);
1230	$map->{path} = $path;
1231	$map->{last_save} = $cf::RUNTIME;	1394	$map->{last_save} = $cf::RUNTIME;
1232	$map->last_access ($cf::RUNTIME);
1233		1395
1234	if ($map->should_reset) {	1396	$map->load_header
		1397	or return;
		1398
		1399	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1400	# doing this can freeze the server in a sync job, obviously
		1401	#$cf::WAIT_FOR_TICK->wait;
1235	$map->reset;	1402	$map->reset;
1236	undef $guard;	1403	undef $guard;
1237	$map = find_map $path	1404	return find $path;
1238	or return;
1239	}	1405	}
1240		1406
1241	$cf::MAP{$key} = $map	1407	$cf::MAP{$path} = $map
1242	}	1408	}
1243	}	1409	}
		1410
		1411	sub pre_load { }
		1412	sub post_load { }
1244		1413
1245	sub load {	1414	sub load {
1246	my ($self) = @_;	1415	my ($self) = @_;
1247		1416
		1417	local $self->{deny_reset} = 1; # loading can take a long time
		1418
1248	my $path = $self->{path};	1419	my $path = $self->{path};
1249	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1420	my $guard = cf::lock_acquire "map_load:$path";
1250		1421
1251	return if $self->in_memory != cf::MAP_SWAPPED;	1422	return if $self->in_memory != cf::MAP_SWAPPED;
1252		1423
1253	$self->in_memory (cf::MAP_LOADING);	1424	$self->in_memory (cf::MAP_LOADING);
1254		1425
1255	$self->alloc;	1426	$self->alloc;
		1427
		1428	$self->pre_load;
		1429
1256	$self->load_objects ($self->{load_path}, 1)	1430	$self->_load_objects ($self->{load_path}, 1)
1257	or return;	1431	or return;
1258		1432
1259	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1433	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1260	if delete $self->{load_original};	1434	if delete $self->{load_original};
1261		1435
1262	if (my $uniq = $path->uniq_path) {	1436	if (my $uniq = $self->uniq_path) {
1263	utf8::encode $uniq;	1437	utf8::encode $uniq;
1264	if (aio_open $uniq, O_RDONLY, 0) {	1438	if (aio_open $uniq, O_RDONLY, 0) {
1265	$self->clear_unique_items;	1439	$self->clear_unique_items;
1266	$self->load_objects ($uniq, 0);	1440	$self->_load_objects ($uniq, 0);
1267	}	1441	}
1268	}	1442	}
		1443
		1444	Coro::cede;
1269		1445
1270	# now do the right thing for maps	1446	# now do the right thing for maps
1271	$self->link_multipart_objects;	1447	$self->link_multipart_objects;
1272		1448
1273	if ($self->{path}->is_style_map) {	1449	unless ($self->{deny_activate}) {
1274	$self->{deny_save} = 1;	1450	$self->decay_objects;
1275	$self->{deny_reset} = 1;
1276	} else {
1277	$self->fix_auto_apply;	1451	$self->fix_auto_apply;
1278	$self->decay_objects;
1279	$self->update_buttons;	1452	$self->update_buttons;
		1453	Coro::cede;
1280	$self->set_darkness_map;	1454	$self->set_darkness_map;
1281	$self->difficulty ($self->estimate_difficulty)	1455	$self->difficulty ($self->estimate_difficulty)
1282	unless $self->difficulty;	1456	unless $self->difficulty;
		1457	Coro::cede;
1283	$self->activate;	1458	$self->activate;
1284	}	1459	}
1285		1460
		1461	$self->post_load;
		1462
1286	$self->in_memory (cf::MAP_IN_MEMORY);	1463	$self->in_memory (cf::MAP_IN_MEMORY);
1287	}	1464	}
1288		1465
1289	sub load_map_sync {	1466	sub customise_for {
		1467	my ($self, $ob) = @_;
		1468
		1469	return find "~" . $ob->name . "/" . $self->{path}
		1470	if $self->per_player;
		1471
		1472	$self
		1473	}
		1474
		1475	# find and load all maps in the 3x3 area around a map
		1476	sub load_diag {
		1477	my ($map) = @_;
		1478
		1479	my @diag; # diagonal neighbours
		1480
		1481	for (0 .. 3) {
		1482	my $neigh = $map->tile_path ($_)
		1483	or next;
		1484	$neigh = find $neigh, $map
		1485	or next;
		1486	$neigh->load;
		1487
		1488	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1489	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1490	}
		1491
		1492	for (@diag) {
		1493	my $neigh = find @$_
		1494	or next;
		1495	$neigh->load;
		1496	}
		1497	}
		1498
		1499	sub find_sync {
1290	my ($path, $origin) = @_;	1500	my ($path, $origin) = @_;
1291		1501
1292	#warn "load_map_sync<$path, $origin>\n";#d#	1502	cf::sync_job { find $path, $origin }
		1503	}
1293		1504
1294	cf::sync_job {	1505	sub do_load_sync {
1295	my $map = cf::map::find_map $path, $origin	1506	my ($map) = @_;
1296	or return;	1507
		1508	cf::sync_job { $map->load };
		1509	}
		1510
		1511	our %MAP_PREFETCH;
		1512	our $MAP_PREFETCHER = undef;
		1513
		1514	sub find_async {
		1515	my ($path, $origin) = @_;
		1516
		1517	$path = normalise $path, $origin && $origin->{path};
		1518
		1519	if (my $map = $cf::MAP{$path}) {
		1520	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1521	}
		1522
		1523	undef $MAP_PREFETCH{$path};
		1524	$MAP_PREFETCHER ||= cf::async {
		1525	while (%MAP_PREFETCH) {
		1526	for my $path (keys %MAP_PREFETCH) {
		1527	my $map = find $path
		1528	or next;
1297	$map->load;	1529	$map->load;
1298	$map	1530
		1531	delete $MAP_PREFETCH{$path};
		1532	}
		1533	}
		1534	undef $MAP_PREFETCHER;
1299	}	1535	};
		1536	$MAP_PREFETCHER->prio (6);
		1537
		1538	()
1300	}	1539	}
1301		1540
1302	sub save {	1541	sub save {
1303	my ($self) = @_;	1542	my ($self) = @_;
1304		1543
		1544	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1545
1305	$self->{last_save} = $cf::RUNTIME;	1546	$self->{last_save} = $cf::RUNTIME;
1306		1547
1307	return unless $self->dirty;	1548	return unless $self->dirty;
1308		1549
1309	my $save = $self->{path}->save_path; utf8::encode $save;	1550	my $save = $self->save_path; utf8::encode $save;
1310	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1551	my $uniq = $self->uniq_path; utf8::encode $uniq;
1311		1552
1312	$self->{load_path} = $save;	1553	$self->{load_path} = $save;
1313		1554
1314	return if $self->{deny_save};	1555	return if $self->{deny_save};
1315		1556
		1557	local $self->{last_access} = $self->last_access;#d#
		1558
		1559	cf::async {
		1560	$_->contr->save for $self->players;
		1561	};
		1562
1316	if ($uniq) {	1563	if ($uniq) {
1317	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1564	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318	$self->save_objects ($uniq, cf::IO_UNIQUES);	1565	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1319	} else {	1566	} else {
1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1567	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1321	}	1568	}
1322	}	1569	}
1323		1570
1324	sub swap_out {	1571	sub swap_out {
1325	my ($self) = @_;	1572	my ($self) = @_;
1326		1573
1327	# save first because save cedes	1574	# save first because save cedes
1328	$self->save;	1575	$self->save;
		1576
		1577	my $lock = cf::lock_acquire "map_data:" . $self->path;
1329		1578
1330	return if $self->players;	1579	return if $self->players;
1331	return if $self->in_memory != cf::MAP_IN_MEMORY;	1580	return if $self->in_memory != cf::MAP_IN_MEMORY;
1332	return if $self->{deny_save};	1581	return if $self->{deny_save};
1333		1582
…		…
1337		1586
1338	sub reset_at {	1587	sub reset_at {
1339	my ($self) = @_;	1588	my ($self) = @_;
1340		1589
1341	# TODO: safety, remove and allow resettable per-player maps	1590	# TODO: safety, remove and allow resettable per-player maps
1342	return 1e99 if $self->{path}{user_rel};	1591	return 1e99 if $self->isa ("ext::map_per_player");#d#
1343	return 1e99 if $self->{deny_reset};	1592	return 1e99 if $self->{deny_reset};
1344		1593
1345	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1594	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1346	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1595	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1347		1596
…		…
1352	my ($self) = @_;	1601	my ($self) = @_;
1353		1602
1354	$self->reset_at <= $cf::RUNTIME	1603	$self->reset_at <= $cf::RUNTIME
1355	}	1604	}
1356		1605
1357	sub unlink_save {
1358	my ($self) = @_;
1359
1360	utf8::encode (my $save = $self->{path}->save_path);
1361	aioreq_pri 3; IO::AIO::aio_unlink $save;
1362	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1363	}
1364
1365	sub rename {
1366	my ($self, $new_path) = @_;
1367
1368	$self->unlink_save;
1369
1370	delete $cf::MAP{$self->path};
1371	$self->{path} = new cf::path $new_path;
1372	$self->path ($self->{path}->as_string);
1373	$cf::MAP{$self->path} = $self;
1374
1375	$self->save;
1376	}
1377
1378	sub reset {	1606	sub reset {
1379	my ($self) = @_;	1607	my ($self) = @_;
1380		1608
		1609	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1610
1381	return if $self->players;	1611	return if $self->players;
1382	return if $self->{path}{user_rel};#d#	1612	return if $self->isa ("ext::map_per_player");#d#
1383		1613
1384	warn "resetting map ", $self->path;#d#	1614	warn "resetting map ", $self->path;#d#
1385		1615
		1616	$self->in_memory (cf::MAP_SWAPPED);
		1617
		1618	# need to save uniques path
		1619	unless ($self->{deny_save}) {
		1620	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1621
		1622	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1623	if $uniq;
		1624	}
		1625
1386	delete $cf::MAP{$self->path};	1626	delete $cf::MAP{$self->path};
		1627
		1628	$self->clear;
1387		1629
1388	$_->clear_links_to ($self) for values %cf::MAP;	1630	$_->clear_links_to ($self) for values %cf::MAP;
1389		1631
1390	$self->unlink_save;	1632	$self->unlink_save;
1391	$self->destroy;	1633	$self->destroy;
…		…
1394	my $nuke_counter = "aaaa";	1636	my $nuke_counter = "aaaa";
1395		1637
1396	sub nuke {	1638	sub nuke {
1397	my ($self) = @_;	1639	my ($self) = @_;
1398		1640
		1641	delete $cf::MAP{$self->path};
		1642
		1643	$self->unlink_save;
		1644
		1645	bless $self, "cf::map";
		1646	delete $self->{deny_reset};
1399	$self->{deny_save} = 1;	1647	$self->{deny_save} = 1;
1400	$self->reset_timeout (1);	1648	$self->reset_timeout (1);
1401	$self->rename ("{nuke}/" . ($nuke_counter++));	1649	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1650
		1651	$cf::MAP{$self->path} = $self;
		1652
1402	$self->reset; # polite request, might not happen	1653	$self->reset; # polite request, might not happen
1403	}	1654	}
1404		1655
1405	sub customise_for {	1656	=item cf::map::unique_maps
1406	my ($map, $ob) = @_;
1407		1657
1408	if ($map->per_player) {	1658	Returns an arrayref of paths of all shared maps that have
1409	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1659	instantiated unique items. May block.
1410	}
1411		1660
1412	$map	1661	=cut
1413	}
1414		1662
1415	sub emergency_save {	1663	sub unique_maps() {
1416	local $cf::FREEZE = 1;	1664	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1665	or return;
1417		1666
1418	warn "enter emergency map save\n";	1667	my @paths;
1419		1668
1420	cf::sync_job {	1669	for (@$files) {
1421	warn "begin emergency map save\n";	1670	utf8::decode $_;
1422	$_->save for values %cf::MAP;	1671	next if /\.pst$/;
		1672	next unless /^$PATH_SEP/o;
		1673
		1674	push @paths, cf::map::normalise $_;
1423	};	1675	}
1424		1676
1425	warn "end emergency map save\n";	1677	\@paths
1426	}	1678	}
1427		1679
1428	package cf;	1680	package cf;
1429		1681
1430	=back	1682	=back
1431		1683
		1684	=head3 cf::object
		1685
		1686	=cut
		1687
		1688	package cf::object;
		1689
		1690	=over 4
		1691
		1692	=item $ob->inv_recursive
		1693
		1694	Returns the inventory of the object _and_ their inventories, recursively.
		1695
		1696	=cut
		1697
		1698	sub inv_recursive_;
		1699	sub inv_recursive_ {
		1700	map { $_, inv_recursive_ $_->inv } @_
		1701	}
		1702
		1703	sub inv_recursive {
		1704	inv_recursive_ inv $_[0]
		1705	}
		1706
		1707	package cf;
		1708
		1709	=back
1432		1710
1433	=head3 cf::object::player	1711	=head3 cf::object::player
1434		1712
1435	=over 4	1713	=over 4
1436		1714
…		…
1476		1754
1477	=item $player_object->enter_link	1755	=item $player_object->enter_link
1478		1756
1479	Freezes the player and moves him/her to a special map (C<{link}>).	1757	Freezes the player and moves him/her to a special map (C<{link}>).
1480		1758
1481	The player should be reaosnably safe there for short amounts of time. You	1759	The player should be reasonably safe there for short amounts of time. You
1482	I<MUST> call C<leave_link> as soon as possible, though.	1760	I<MUST> call C<leave_link> as soon as possible, though.
1483		1761
		1762	Will never block.
		1763
1484	=item $player_object->leave_link ($map, $x, $y)	1764	=item $player_object->leave_link ($map, $x, $y)
1485		1765
1486	Moves the player out of the specila link map onto the given map. If the	1766	Moves the player out of the special C<{link}> map onto the specified
1487	map is not valid (or omitted), the player will be moved back to the	1767	map. If the map is not valid (or omitted), the player will be moved back
1488	location he/she was before the call to C<enter_link>, or, if that fails,	1768	to the location he/she was before the call to C<enter_link>, or, if that
1489	to the emergency map position.	1769	fails, to the emergency map position.
1490		1770
1491	Might block.	1771	Might block.
1492		1772
1493	=cut	1773	=cut
		1774
		1775	sub link_map {
		1776	unless ($LINK_MAP) {
		1777	$LINK_MAP = cf::map::find "{link}"
		1778	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1779	$LINK_MAP->load;
		1780	}
		1781
		1782	$LINK_MAP
		1783	}
1494		1784
1495	sub cf::object::player::enter_link {	1785	sub cf::object::player::enter_link {
1496	my ($self) = @_;	1786	my ($self) = @_;
1497		1787
1498	$self->deactivate_recursive;	1788	$self->deactivate_recursive;
1499		1789
1500	return if $self->map == $LINK_MAP;	1790	return if UNIVERSAL::isa $self->map, "ext::map_link";
1501		1791
1502	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1792	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1503	if $self->map;	1793	if $self->map;
1504		1794
1505	$self->enter_map ($LINK_MAP, 20, 20);	1795	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1506	}	1796	}
1507		1797
1508	sub cf::object::player::leave_link {	1798	sub cf::object::player::leave_link {
1509	my ($self, $map, $x, $y) = @_;	1799	my ($self, $map, $x, $y) = @_;
1510		1800
1511	my $link_pos = delete $self->{_link_pos};	1801	my $link_pos = delete $self->{_link_pos};
1512		1802
1513	unless ($map) {	1803	unless ($map) {
1514	# restore original map position	1804	# restore original map position
1515	($map, $x, $y) = @{ $link_pos || [] };	1805	($map, $x, $y) = @{ $link_pos || [] };
1516	$map = cf::map::find_map $map;	1806	$map = cf::map::find $map;
1517		1807
1518	unless ($map) {	1808	unless ($map) {
1519	($map, $x, $y) = @$EMERGENCY_POSITION;	1809	($map, $x, $y) = @$EMERGENCY_POSITION;
1520	$map = cf::map::find_map $map	1810	$map = cf::map::find $map
1521	or die "FATAL: cannot load emergency map\n";	1811	or die "FATAL: cannot load emergency map\n";
1522	}	1812	}
1523	}	1813	}
1524		1814
1525	($x, $y) = (-1, -1)	1815	($x, $y) = (-1, -1)
…		…
1528	# use -1 or undef as default coordinates, not 0, 0	1818	# use -1 or undef as default coordinates, not 0, 0
1529	($x, $y) = ($map->enter_x, $map->enter_y)	1819	($x, $y) = ($map->enter_x, $map->enter_y)
1530	if $x <=0 && $y <= 0;	1820	if $x <=0 && $y <= 0;
1531		1821
1532	$map->load;	1822	$map->load;
		1823	$map->load_diag;
1533		1824
		1825	return unless $self->contr->active;
1534	$self->activate_recursive;	1826	$self->activate_recursive;
1535	$self->enter_map ($map, $x, $y);	1827	$self->enter_map ($map, $x, $y);
1536	}	1828	}
1537		1829
1538	cf::player->attach (	1830	cf::player->attach (
…		…
1551		1843
1552	# try to abort aborted map switching on player login :)	1844	# try to abort aborted map switching on player login :)
1553	# should happen only on crashes	1845	# should happen only on crashes
1554	if ($pl->ob->{_link_pos}) {	1846	if ($pl->ob->{_link_pos}) {
1555	$pl->ob->enter_link;	1847	$pl->ob->enter_link;
1556	cf::async {	1848	(async {
1557	# we need this sleep as the login has a concurrent enter_exit running	1849	# we need this sleep as the login has a concurrent enter_exit running
1558	# and this sleep increases chances of the player not ending up in scorn	1850	# and this sleep increases chances of the player not ending up in scorn
		1851	$pl->ob->reply (undef,
		1852	"There was an internal problem at your last logout, "
		1853	. "the server will try to bring you to your intended destination in a second.",
		1854	cf::NDI_RED);
1559	Coro::Timer::sleep 1;	1855	Coro::Timer::sleep 1;
1560	$pl->ob->leave_link;	1856	$pl->ob->leave_link;
1561	};	1857	})->prio (2);
1562	}	1858	}
1563	},	1859	},
1564	);	1860	);
1565		1861
1566	=item $player_object->goto_map ($path, $x, $y)	1862	=item $player_object->goto ($path, $x, $y)
1567		1863
1568	=cut	1864	=cut
1569		1865
1570	sub cf::object::player::goto_map {	1866	sub cf::object::player::goto {
1571	my ($self, $path, $x, $y) = @_;	1867	my ($self, $path, $x, $y) = @_;
1572		1868
1573	$self->enter_link;	1869	$self->enter_link;
1574		1870
1575	(cf::async {	1871	(async {
1576	$path = new cf::path $path;	1872	my $map = eval {
1577
1578	my $map = cf::map::find_map $path->as_string;	1873	my $map = cf::map::find $path;
1579	$map = $map->customise_for ($self) if $map;	1874	$map = $map->customise_for ($self) if $map;
1580		1875	$map
1581	# warn "entering ", $map->path, " at ($x, $y)\n"	1876	} or
1582	# if $map;
1583
1584	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1585		1878
1586	$self->leave_link ($map, $x, $y);	1879	$self->leave_link ($map, $x, $y);
1587	})->prio (1);	1880	})->prio (1);
1588	}	1881	}
1589		1882
…		…
1593		1886
1594	sub parse_random_map_params {	1887	sub parse_random_map_params {
1595	my ($spec) = @_;	1888	my ($spec) = @_;
1596		1889
1597	my $rmp = { # defaults	1890	my $rmp = { # defaults
1598	xsize => 10,	1891	xsize => (cf::rndm 15, 40),
1599	ysize => 10,	1892	ysize => (cf::rndm 15, 40),
		1893	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1894	#layout => string,
1600	};	1895	};
1601		1896
1602	for (split /\n/, $spec) {	1897	for (split /\n/, $spec) {
1603	my ($k, $v) = split /\s+/, $_, 2;	1898	my ($k, $v) = split /\s+/, $_, 2;
1604		1899
…		…
1608	$rmp	1903	$rmp
1609	}	1904	}
1610		1905
1611	sub prepare_random_map {	1906	sub prepare_random_map {
1612	my ($exit) = @_;	1907	my ($exit) = @_;
		1908
		1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1613		1910
1614	# all this does is basically replace the /! path by	1911	# all this does is basically replace the /! path by
1615	# a new random map path (?random/...) with a seed	1912	# a new random map path (?random/...) with a seed
1616	# that depends on the exit object	1913	# that depends on the exit object
1617		1914
1618	my $rmp = parse_random_map_params $exit->msg;	1915	my $rmp = parse_random_map_params $exit->msg;
1619		1916
1620	if ($exit->map) {	1917	if ($exit->map) {
1621	$rmp->{region} = $exit->map->region_name;	1918	$rmp->{region} = $exit->region->name;
1622	$rmp->{origin_map} = $exit->map->path;	1919	$rmp->{origin_map} = $exit->map->path;
1623	$rmp->{origin_x} = $exit->x;	1920	$rmp->{origin_x} = $exit->x;
1624	$rmp->{origin_y} = $exit->y;	1921	$rmp->{origin_y} = $exit->y;
1625	}	1922	}
1626		1923
1627	$rmp->{random_seed} ||= $exit->random_seed;	1924	$rmp->{random_seed} ||= $exit->random_seed;
1628		1925
1629	my $data = cf::to_json $rmp;	1926	my $data = cf::to_json $rmp;
1630	my $md5 = Digest::MD5::md5_hex $data;	1927	my $md5 = Digest::MD5::md5_hex $data;
		1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1631		1929
1632	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1633	aio_write $fh, 0, (length $data), $data, 0;	1931	aio_write $fh, 0, (length $data), $data, 0;
		1932	undef $fh;
		1933	aio_rename "$meta~", $meta;
1634		1934
1635	$exit->slaying ("?random/$md5");	1935	$exit->slaying ("?random/$md5");
1636	$exit->msg (undef);	1936	$exit->msg (undef);
1637	}	1937	}
1638	}	1938	}
…		…
1640	sub cf::object::player::enter_exit {	1940	sub cf::object::player::enter_exit {
1641	my ($self, $exit) = @_;	1941	my ($self, $exit) = @_;
1642		1942
1643	return unless $self->type == cf::PLAYER;	1943	return unless $self->type == cf::PLAYER;
1644		1944
		1945	if ($exit->slaying eq "/!") {
		1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1947	cf::sync_job { prepare_random_map $exit };
		1948	}
		1949
		1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1951	my $hp = $exit->stats->hp;
		1952	my $sp = $exit->stats->sp;
		1953
1645	$self->enter_link;	1954	$self->enter_link;
1646		1955
1647	(cf::async {	1956	(async {
		1957	$self->deactivate_recursive; # just to be sure
1648	unless (eval {	1958	unless (eval {
1649	prepare_random_map $exit	1959	$self->goto ($slaying, $hp, $sp);
1650	if $exit->slaying eq "/!";
1651
1652	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1653	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1654		1960
1655	1;	1961	1;
1656	}) {	1962	}) {
1657	$self->message ("Something went wrong deep within the crossfire server. "	1963	$self->message ("Something went wrong deep within the crossfire server. "
1658	. "I'll try to bring you back to the map you were before. "	1964	. "I'll try to bring you back to the map you were before. "
1659	. "Please report this to the dungeon master",	1965	. "Please report this to the dungeon master!",
1660	cf::NDI_UNIQUE | cf::NDI_RED);	1966	cf::NDI_UNIQUE | cf::NDI_RED);
1661		1967
1662	warn "ERROR in enter_exit: $@";	1968	warn "ERROR in enter_exit: $@";
1663	$self->leave_link;	1969	$self->leave_link;
1664	}	1970	}
…		…
1719	# get handled first	2025	# get handled first
1720	my $queue = delete $ns->{query_queue}	2026	my $queue = delete $ns->{query_queue}
1721	or return; # be conservative, not sure how that can happen, but we saw a crash here	2027	or return; # be conservative, not sure how that can happen, but we saw a crash here
1722		2028
1723	(shift @$queue)->[1]->($msg);	2029	(shift @$queue)->[1]->($msg);
		2030	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1724		2031
1725	push @{ $ns->{query_queue} }, @$queue;	2032	push @{ $ns->{query_queue} }, @$queue;
1726		2033
1727	if (@{ $ns->{query_queue} } == @$queue) {	2034	if (@{ $ns->{query_queue} } == @$queue) {
1728	if (@$queue) {	2035	if (@$queue) {
…		…
1732	}	2039	}
1733	}	2040	}
1734	},	2041	},
1735	);	2042	);
1736		2043
1737	=item $client->coro (\&cb)	2044	=item $client->async (\&cb)
1738		2045
1739	Create a new coroutine, running the specified callback. The coroutine will	2046	Create a new coroutine, running the specified callback. The coroutine will
1740	be automatically cancelled when the client gets destroyed (e.g. on logout,	2047	be automatically cancelled when the client gets destroyed (e.g. on logout,
1741	or loss of connection).	2048	or loss of connection).
1742		2049
1743	=cut	2050	=cut
1744		2051
1745	sub cf::client::coro {	2052	sub cf::client::async {
1746	my ($self, $cb) = @_;	2053	my ($self, $cb) = @_;
1747		2054
1748	my $coro = &cf::async ($cb);	2055	my $coro = &Coro::async ($cb);
1749		2056
1750	$coro->on_destroy (sub {	2057	$coro->on_destroy (sub {
1751	delete $self->{_coro}{$coro+0};	2058	delete $self->{_coro}{$coro+0};
1752	});	2059	});
1753		2060
…		…
1889	The parameter C<$family> should best start with the name of the extension	2196	The parameter C<$family> should best start with the name of the extension
1890	using it, it should be unique.	2197	using it, it should be unique.
1891		2198
1892	=over 4	2199	=over 4
1893		2200
1894	=item $hashref = cf::db_get $family
1895
1896	Return a hashref for use by the extension C<$family>, which can be
1897	modified. After modifications, you have to call C<cf::db_dirty> or
1898	C<cf::db_sync>.
1899
1900	=item $value = cf::db_get $family => $key	2201	=item $value = cf::db_get $family => $key
1901		2202
1902	Returns a single value from the database	2203	Returns a single value from the database.
1903
1904	=item cf::db_put $family => $hashref
1905
1906	Stores the given family hashref into the database. Updates are delayed, if
1907	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1908		2204
1909	=item cf::db_put $family => $key => $value	2205	=item cf::db_put $family => $key => $value
1910		2206
1911	Stores the given C<$value> in the family hash. Updates are delayed, if you	2207	Stores the given C<$value> in the family.
1912	want the data to be synced to disk immediately, use C<cf::db_sync>.
1913
1914	=item cf::db_dirty
1915
1916	Marks the database as dirty, to be updated at a later time.
1917
1918	=item cf::db_sync
1919
1920	Immediately write the database to disk I<if it is dirty>.
1921		2208
1922	=cut	2209	=cut
1923		2210
1924	our $DB;	2211	our $DB;
1925		2212
1926	{	2213	sub db_init {
		2214	unless ($DB) {
		2215	$DB = BDB::db_create $DB_ENV;
		2216
		2217	cf::sync_job {
		2218	eval {
		2219	$DB->set_flags (BDB::CHKSUM);
		2220
		2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2223	cf::cleanup "db_open(db): $!" if $!;
		2224	};
		2225	cf::cleanup "db_open(db): $@" if $@;
		2226	};
		2227
1927	my $path = cf::localdir . "/database.pst";	2228	my $path = cf::localdir . "/database.pst";
		2229	if (stat $path) {
		2230	cf::sync_job {
		2231	my $pst = Storable::retrieve $path;
1928		2232
1929	sub db_load() {	2233	cf::db_put (board => data => $pst->{board});
1930	$DB = stat $path ? Storable::retrieve $path : { };	2234	cf::db_put (guildrules => data => $pst->{guildrules});
1931	}	2235	cf::db_put (rent => balance => $pst->{rent}{balance});
		2236	BDB::db_env_txn_checkpoint $DB_ENV;
1932		2237
1933	my $pid;	2238	unlink $path;
1934
1935	sub db_save() {
1936	waitpid $pid, 0 if $pid;
1937	if (0 == ($pid = fork)) {
1938	$DB->{_meta}{version} = 1;
1939	Storable::nstore $DB, "$path~";
1940	rename "$path~", $path;
1941	cf::_exit 0 if defined $pid;
1942	}	2239	};
1943	}
1944
1945	my $dirty;
1946
1947	sub db_sync() {
1948	db_save if $dirty;
1949	undef $dirty;
1950	}
1951
1952	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1953	db_sync;
1954	});
1955
1956	sub db_dirty() {
1957	$dirty = 1;
1958	$idle->start;
1959	}
1960
1961	sub db_get($;$) {
1962	@_ >= 2
1963	? $DB->{$_[0]}{$_[1]}
1964	: ($DB->{$_[0]} ||= { })
1965	}
1966
1967	sub db_put($$;$) {
1968	if (@_ >= 3) {
1969	$DB->{$_[0]}{$_[1]} = $_[2];
1970	} else {
1971	$DB->{$_[0]} = $_[1];
1972	}
1973	db_dirty;
1974	}
1975
1976	cf::global->attach (
1977	prio => 10000,
1978	on_cleanup => sub {
1979	db_sync;
1980	},	2240	}
1981	);	2241	}
		2242	}
		2243
		2244	sub db_get($$) {
		2245	my $key = "$_[0]/$_[1]";
		2246
		2247	cf::sync_job {
		2248	BDB::db_get $DB, undef, $key, my $data;
		2249
		2250	$! ? ()
		2251	: Compress::LZF::sthaw $data
		2252	}
		2253	}
		2254
		2255	sub db_put($$$) {
		2256	BDB::dbreq_pri 4;
		2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1982	}	2258	}
1983		2259
1984	#############################################################################	2260	#############################################################################
1985	# the server's main()	2261	# the server's init and main functions
		2262
		2263	sub load_resources {
		2264	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2265	or die "unable to load regions file\n";#d#
		2266	}
1986		2267
1987	sub cfg_load {	2268	sub cfg_load {
1988	open my $fh, "<:utf8", cf::confdir . "/config"	2269	open my $fh, "<:utf8", cf::confdir . "/config"
1989	or return;	2270	or return;
1990		2271
1991	local $/;	2272	local $/;
1992	*CFG = YAML::Syck::Load <$fh>;	2273	*CFG = YAML::Syck::Load <$fh>;
		2274
		2275	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2276
		2277	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2278	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2279
		2280	if (exists $CFG{mlockall}) {
		2281	eval {
		2282	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2283	and die "WARNING: m(un)lockall failed: $!\n";
		2284	};
		2285	warn $@ if $@;
		2286	}
		2287	}
		2288
		2289	sub init {
		2290	load_resources;
1993	}	2291	}
1994		2292
1995	sub main {	2293	sub main {
1996	# we must not ever block the main coroutine	2294	# we must not ever block the main coroutine
1997	local $Coro::idle = sub {	2295	local $Coro::idle = sub {
1998	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2296	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1999	(Coro::unblock_sub {	2297	(async {
2000	Event::one_event;	2298	Event::one_event;
2001	})->();	2299	})->prio (Coro::PRIO_MAX);
2002	};	2300	};
2003		2301
2004	cfg_load;	2302	cfg_load;
2005	db_load;	2303	db_init;
2006	load_extensions;	2304	load_extensions;
		2305
		2306	$TICK_WATCHER->start;
2007	Event::loop;	2307	Event::loop;
2008	}	2308	}
2009		2309
2010	#############################################################################	2310	#############################################################################
2011	# initialisation	2311	# initialisation and cleanup
		2312
		2313	# install some emergency cleanup handlers
		2314	BEGIN {
		2315	for my $signal (qw(INT HUP TERM)) {
		2316	Event->signal (
		2317	reentrant => 0,
		2318	data => WF_AUTOCANCEL,
		2319	signal => $signal,
		2320	prio => 0,
		2321	cb => sub {
		2322	cf::cleanup "SIG$signal";
		2323	},
		2324	);
		2325	}
		2326	}
		2327
		2328	sub emergency_save() {
		2329	my $freeze_guard = cf::freeze_mainloop;
		2330
		2331	warn "enter emergency perl save\n";
		2332
		2333	cf::sync_job {
		2334	# use a peculiar iteration method to avoid tripping on perl
		2335	# refcount bugs in for. also avoids problems with players
		2336	# and maps saved/destroyed asynchronously.
		2337	warn "begin emergency player save\n";
		2338	for my $login (keys %cf::PLAYER) {
		2339	my $pl = $cf::PLAYER{$login} or next;
		2340	$pl->valid or next;
		2341	$pl->save;
		2342	}
		2343	warn "end emergency player save\n";
		2344
		2345	warn "begin emergency map save\n";
		2346	for my $path (keys %cf::MAP) {
		2347	my $map = $cf::MAP{$path} or next;
		2348	$map->valid or next;
		2349	$map->save;
		2350	}
		2351	warn "end emergency map save\n";
		2352
		2353	warn "begin emergency database checkpoint\n";
		2354	BDB::db_env_txn_checkpoint $DB_ENV;
		2355	warn "end emergency database checkpoint\n";
		2356	};
		2357
		2358	warn "leave emergency perl save\n";
		2359	}
		2360
		2361	sub post_cleanup {
		2362	my ($make_core) = @_;
		2363
		2364	warn Carp::longmess "post_cleanup backtrace"
		2365	if $make_core;
		2366	}
2012		2367
2013	sub reload() {	2368	sub reload() {
2014	# can/must only be called in main	2369	# can/must only be called in main
2015	if ($Coro::current != $Coro::main) {	2370	if ($Coro::current != $Coro::main) {
2016	warn "can only reload from main coroutine\n";	2371	warn "can only reload from main coroutine";
2017	return;	2372	return;
2018	}	2373	}
2019		2374
2020	warn "reloading...";	2375	warn "reloading...";
2021		2376
2022	local $FREEZE = 1;	2377	warn "cancelling server ticker";
		2378	$TICK_WATCHER->cancel;
		2379
2023	cf::emergency_save;	2380	cf::emergency_save;
2024		2381
2025	eval {	2382	eval {
2026	# if anything goes wrong in here, we should simply crash as we already saved	2383	# if anything goes wrong in here, we should simply crash as we already saved
2027		2384
2028	# cancel all watchers	2385	warn "cancelling all WF_AUTOCANCEL watchers";
2029	for (Event::all_watchers) {	2386	for (Event::all_watchers) {
2030	$_->cancel if $_->data & WF_AUTOCANCEL;	2387	$_->cancel if $_->data & WF_AUTOCANCEL;
2031	}	2388	}
2032		2389
		2390	warn "syncing database to disk";
		2391	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		2392
		2393	warn "flushing outstanding aio requests";
		2394	for (;;) {
		2395	BDB::flush;
		2396	IO::AIO::flush;
		2397	Coro::cede;
		2398	last unless IO::AIO::nreqs || BDB::nreqs;
		2399	warn "iterate...";
		2400	}
		2401
2033	# cancel all extension coros	2402	warn "cancelling all extension coros";
2034	$_->cancel for values %EXT_CORO;	2403	$_->cancel for values %EXT_CORO;
2035	%EXT_CORO = ();	2404	%EXT_CORO = ();
2036		2405
2037	# unload all extensions	2406	warn "removing commands";
2038	for (@exts) {	2407	%COMMAND = ();
		2408
		2409	warn "removing ext commands";
		2410	%EXTCMD = ();
		2411
		2412	warn "unloading/nuking all extensions";
		2413	for my $pkg (@EXTS) {
2039	warn "unloading <$_>";	2414	warn "... unloading $pkg";
2040	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: $@";
2041	}	2421	}
2042		2422
		2423	warn "... nuking $pkg";
		2424	Symbol::delete_package $pkg;
		2425	}
		2426
2043	# unload all modules loaded from $LIBDIR	2427	warn "unloading all perl modules loaded from $LIBDIR";
2044	while (my ($k, $v) = each %INC) {	2428	while (my ($k, $v) = each %INC) {
2045	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2429	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2046		2430
2047	warn "removing <$k>";	2431	warn "... unloading $k";
2048	delete $INC{$k};	2432	delete $INC{$k};
2049		2433
2050	$k =~ s/\.pm$//;	2434	$k =~ s/\.pm$//;
2051	$k =~ s/\//::/g;	2435	$k =~ s/\//::/g;
2052		2436
…		…
2055	}	2439	}
2056		2440
2057	Symbol::delete_package $k;	2441	Symbol::delete_package $k;
2058	}	2442	}
2059		2443
2060	# sync database to disk
2061	cf::db_sync;
2062	IO::AIO::flush;
2063
2064	# get rid of safe::, as good as possible	2444	warn "getting rid of safe::, as good as possible";
2065	Symbol::delete_package "safe::$_"	2445	Symbol::delete_package "safe::$_"
2066	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);
2067		2447
2068	# remove register_script_function callbacks
2069	# TODO
2070
2071	# unload cf.pm "a bit"	2448	warn "unloading cf.pm \"a bit\"";
2072	delete $INC{"cf.pm"};	2449	delete $INC{"cf.pm"};
2073		2450
2074	# don't, removes xs symbols, too,	2451	# don't, removes xs symbols, too,
2075	# and global variables created in xs	2452	# and global variables created in xs
2076	#Symbol::delete_package __PACKAGE__;	2453	#Symbol::delete_package __PACKAGE__;
2077		2454
2078	# reload cf.pm	2455	warn "unload completed, starting to reload now";
		2456
2079	warn "reloading cf.pm";	2457	warn "reloading cf.pm";
2080	require cf;	2458	require cf;
2081	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2082		2460
2083	# load config and database again	2461	warn "loading config and database again";
2084	cf::cfg_load;	2462	cf::cfg_load;
2085	cf::db_load;
2086		2463
2087	# load extensions
2088	warn "load extensions";	2464	warn "loading extensions";
2089	cf::load_extensions;	2465	cf::load_extensions;
2090		2466
2091	# reattach attachments to objects	2467	warn "reattaching attachments to objects/players";
2092	warn "reattach";
2093	_global_reattach;	2468	_global_reattach;
		2469	warn "reattaching attachments to maps";
		2470	reattach $_ for values %MAP;
		2471
		2472	warn "loading reloadable resources";
		2473	load_resources;
		2474
		2475	warn "restarting server ticker";
		2476
		2477	$TICK_WATCHER->start;
2094	};	2478	};
2095		2479
2096	if ($@) {	2480	if ($@) {
2097	warn $@;	2481	warn $@;
2098	warn "error while reloading, exiting.";	2482	warn "error while reloading, exiting.";
2099	exit 1;	2483	exit 1;
2100	}	2484	}
2101		2485
2102	warn "reloaded successfully";	2486	warn "reloaded";
2103	};	2487	};
2104		2488
2105	#############################################################################	2489	our $RELOAD_WATCHER; # used only during reload
2106
2107	unless ($LINK_MAP) {
2108	$LINK_MAP = cf::map::new;
2109
2110	$LINK_MAP->width (41);
2111	$LINK_MAP->height (41);
2112	$LINK_MAP->alloc;
2113	$LINK_MAP->path ("{link}");
2114	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2115	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2116
2117	# dirty hack because... archetypes are not yet loaded
2118	Event->timer (
2119	after => 2,
2120	cb => sub {
2121	$_[0]->w->cancel;
2122
2123	# provide some exits "home"
2124	my $exit = cf::object::new "exit";
2125
2126	$exit->slaying ($EMERGENCY_POSITION->[0]);
2127	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2128	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2129
2130	$LINK_MAP->insert ($exit->clone, 19, 19);
2131	$LINK_MAP->insert ($exit->clone, 19, 20);
2132	$LINK_MAP->insert ($exit->clone, 19, 21);
2133	$LINK_MAP->insert ($exit->clone, 20, 19);
2134	$LINK_MAP->insert ($exit->clone, 20, 21);
2135	$LINK_MAP->insert ($exit->clone, 21, 19);
2136	$LINK_MAP->insert ($exit->clone, 21, 20);
2137	$LINK_MAP->insert ($exit->clone, 21, 21);
2138
2139	$exit->destroy;
2140	});
2141
2142	$LINK_MAP->{deny_save} = 1;
2143	$LINK_MAP->{deny_reset} = 1;
2144
2145	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2146	}
2147
2148	register "<global>", __PACKAGE__;
2149		2490
2150	register_command "reload" => sub {	2491	register_command "reload" => sub {
2151	my ($who, $arg) = @_;	2492	my ($who, $arg) = @_;
2152		2493
2153	if ($who->flag (FLAG_WIZ)) {	2494	if ($who->flag (FLAG_WIZ)) {
2154	$who->message ("start of reload.");	2495	$who->message ("reloading server.");
		2496
		2497	# doing reload synchronously and two reloads happen back-to-back,
		2498	# coro crashes during coro_state_free->destroy here.
		2499
		2500	$RELOAD_WATCHER ||= Event->timer (
		2501	reentrant => 0,
		2502	after => 0,
		2503	data => WF_AUTOCANCEL,
		2504	cb => sub {
2155	reload;	2505	reload;
2156	$who->message ("end of reload.");	2506	undef $RELOAD_WATCHER;
		2507	},
		2508	);
2157	}	2509	}
2158	};	2510	};
2159		2511
2160	unshift @INC, $LIBDIR;	2512	unshift @INC, $LIBDIR;
		2513
		2514	my $bug_warning = 0;
2161		2515
2162	$TICK_WATCHER = Event->timer (	2516	$TICK_WATCHER = Event->timer (
2163	reentrant => 0,	2517	reentrant => 0,
		2518	parked => 1,
2164	prio => 0,	2519	prio => 0,
2165	at => $NEXT_TICK || $TICK,	2520	at => $NEXT_TICK || $TICK,
2166	data => WF_AUTOCANCEL,	2521	data => WF_AUTOCANCEL,
2167	cb => sub {	2522	cb => sub {
2168	unless ($FREEZE) {	2523	if ($Coro::current != $Coro::main) {
		2524	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2525	unless ++$bug_warning > 10;
		2526	return;
		2527	}
		2528
		2529	$NOW = Event::time;
		2530
2169	cf::server_tick; # one server iteration	2531	cf::server_tick; # one server iteration
2170	$RUNTIME += $TICK;	2532	$RUNTIME += $TICK;
2171	}
2172
2173	$NEXT_TICK += $TICK;	2533	$NEXT_TICK += $TICK;
		2534
		2535	$WAIT_FOR_TICK->broadcast;
		2536	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2537
		2538	Event::sweep;
		2539	Coro::cede_notself;
		2540
		2541	# my $AFTER = Event::time;
		2542	# warn $AFTER - $NOW;#d#
2174		2543
2175	# if we are delayed by four ticks or more, skip them all	2544	# if we are delayed by four ticks or more, skip them all
2176	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2545	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2177		2546
2178	$TICK_WATCHER->at ($NEXT_TICK);	2547	$TICK_WATCHER->at ($NEXT_TICK);
2179	$TICK_WATCHER->start;	2548	$TICK_WATCHER->start;
2180	},	2549	},
2181	);	2550	);
2182		2551
		2552	{
		2553	BDB::max_poll_time $TICK * 0.1;
		2554	$BDB_POLL_WATCHER = Event->io (
		2555	reentrant => 0,
		2556	fd => BDB::poll_fileno,
		2557	poll => 'r',
		2558	prio => 0,
		2559	data => WF_AUTOCANCEL,
		2560	cb => \&BDB::poll_cb,
		2561	);
		2562	BDB::min_parallel 8;
		2563
		2564	BDB::set_sync_prepare {
		2565	my $status;
		2566	my $current = $Coro::current;
		2567	(
		2568	sub {
		2569	$status = $!;
		2570	$current->ready; undef $current;
		2571	},
		2572	sub {
		2573	Coro::schedule while defined $current;
		2574	$! = $status;
		2575	},
		2576	)
		2577	};
		2578
		2579	unless ($DB_ENV) {
		2580	$DB_ENV = BDB::db_env_create;
		2581
		2582	cf::sync_job {
		2583	eval {
		2584	BDB::db_env_open
		2585	$DB_ENV,
		2586	$BDB_ENV_DIR,
		2587	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2588	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2589	0666;
		2590
		2591	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2592
		2593	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2594	$DB_ENV->set_lk_detect;
		2595	};
		2596
		2597	cf::cleanup "db_env_open(db): $@" if $@;
		2598	};
		2599	}
		2600	}
		2601
		2602	{
		2603	IO::AIO::min_parallel 8;
		2604
		2605	undef $Coro::AIO::WATCHER;
2183	IO::AIO::max_poll_time $TICK * 0.2;	2606	IO::AIO::max_poll_time $TICK * 0.1;
2184		2607	$AIO_POLL_WATCHER = Event->io (
2185	Event->io (	2608	reentrant => 0,
2186	fd => IO::AIO::poll_fileno,	2609	fd => IO::AIO::poll_fileno,
2187	poll => 'r',	2610	poll => 'r',
2188	prio => 5,	2611	prio => 6,
2189	data => WF_AUTOCANCEL,	2612	data => WF_AUTOCANCEL,
2190	cb => \&IO::AIO::poll_cb,	2613	cb => \&IO::AIO::poll_cb,
2191	);	2614	);
		2615	}
2192		2616
2193	Event->timer (	2617	$WRITE_RUNTIME_WATCHER = Event->timer (
		2618	reentrant => 0,
2194	data => WF_AUTOCANCEL,	2619	data => WF_AUTOCANCEL,
2195	after => 0,	2620	after => 1,
2196	interval => 10,	2621	interval => 10,
2197	cb => sub {	2622	prio => 6, # keep it lowest so it acts like a watchdog
2198	(Coro::unblock_sub {	2623	cb => Coro::unblock_sub {
2199	write_runtime	2624	write_runtime
2200	or warn "ERROR: unable to write runtime file: $!";	2625	or warn "ERROR: unable to write runtime file: $!";
2201	})->();
2202	},	2626	},
2203	);	2627	);
2204		2628
2205	END { cf::emergency_save }	2629	END { cf::emergency_save }
2206		2630

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