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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.126 by root, Tue Jan 2 23:12:47 2007 UTC vs.
Revision 1.210 by root, Mon Feb 12 01:32:49 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	}
		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	$guard
		283	}
		284
		285	=item cf::async { BLOCK }
		286
		287	Currently the same as Coro::async_pool, meaning you cannot use
		288	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		289	thing you are allowed to do is call C<prio> on it.
		290
		291	=cut
		292
		293	BEGIN { *async = \&Coro::async_pool }
249		294
250	=item cf::sync_job { BLOCK }	295	=item cf::sync_job { BLOCK }
251		296
252	The design of crossfire+ requires that the main coro ($Coro::main) is	297	The design of crossfire+ requires that the main coro ($Coro::main) is
253	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
…		…
267	# this is the main coro, too bad, we have to block	312	# this is the main coro, too bad, we have to block
268	# till the operation succeeds, freezing the server :/	313	# till the operation succeeds, freezing the server :/
269		314
270	# TODO: use suspend/resume instead	315	# TODO: use suspend/resume instead
271	# (but this is cancel-safe)	316	# (but this is cancel-safe)
272	local $FREEZE = 1;	317	my $freeze_guard = freeze_mainloop;
273		318
274	my $busy = 1;	319	my $busy = 1;
275	my @res;	320	my @res;
276		321
277	(Coro::async {	322	(async {
278	@res = eval { $job->() };	323	@res = eval { $job->() };
279	warn $@ if $@;	324	warn $@ if $@;
280	undef $busy;	325	undef $busy;
281	})->prio (Coro::PRIO_MAX);	326	})->prio (Coro::PRIO_MAX);
282		327
283	while ($busy) {	328	while ($busy) {
284	Coro::cede_notself;	329	Coro::cede or Event::one_event;
285	Event::one_event unless Coro::nready;
286	}	330	}
287		331
288	wantarray ? @res : $res[0]	332	wantarray ? @res : $res[0]
289	} else {	333	} else {
290	# we are in another coroutine, how wonderful, everything just works	334	# we are in another coroutine, how wonderful, everything just works
291		335
292	$job->()	336	$job->()
293	}	337	}
294	}	338	}
295		339
296	=item $coro = cf::coro { BLOCK }	340	=item $coro = cf::async_ext { BLOCK }
297		341
298	Creates and returns a new coro. This coro is automcatially being canceled	342	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	343	extension calling this is being unloaded.
300		344
301	=cut	345	=cut
302		346
303	sub coro(&) {	347	sub async_ext(&) {
304	my $cb = shift;	348	my $cb = shift;
305		349
306	my $coro; $coro = async {	350	my $coro = &Coro::async ($cb);
307	eval {
308	$cb->();
309	};
310	warn $@ if $@;
311	};
312		351
313	$coro->on_destroy (sub {	352	$coro->on_destroy (sub {
314	delete $EXT_CORO{$coro+0};	353	delete $EXT_CORO{$coro+0};
315	});	354	});
316	$EXT_CORO{$coro+0} = $coro;	355	$EXT_CORO{$coro+0} = $coro;
…		…
322	my $runtime = cf::localdir . "/runtime";	361	my $runtime = cf::localdir . "/runtime";
323		362
324	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
325	or return;	364	or return;
326		365
		366	my $value = $cf::RUNTIME + 90 + 10;
327	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
328	(aio_write $fh, 0, (length $value), $value, 0) <= 0	370	(aio_write $fh, 0, (length $value), $value, 0) <= 0
329	and return;	371	and return;
330		372
		373	# always fsync - this file is important
331	aio_fsync $fh	374	aio_fsync $fh
332	and return;	375	and return;
333		376
334	close $fh	377	close $fh
335	or return;	378	or return;
…		…
341	}	384	}
342		385
343	=back	386	=back
344		387
345	=cut	388	=cut
346
347	#############################################################################
348
349	package cf::path;
350
351	sub new {
352	my ($class, $path, $base) = @_;
353
354	$path = $path->as_string if ref $path;
355
356	my $self = bless { }, $class;
357
358	# {... are special paths that are not touched
359	# ?xxx/... are special absolute paths
360	# ?random/... random maps
361	# /! non-realised random map exit
362	# /... normal maps
363	# ~/... per-player maps without a specific player (DO NOT USE)
364	# ~user/... per-player map of a specific user
365
366	if ($path =~ /^{/) {
367	# fine as it is
368	} elsif ($path =~ s{^\?random/}{}) {
369	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
370	$self->{random} = cf::from_json $data;
371	} else {
372	if ($path =~ s{^~([^/]+)?}{}) {
373	$self->{user_rel} = 1;
374
375	if (defined $1) {
376	$self->{user} = $1;
377	} elsif ($base =~ m{^~([^/]+)/}) {
378	$self->{user} = $1;
379	} else {
380	warn "cannot resolve user-relative path without user <$path,$base>\n";
381	}
382	} elsif ($path =~ /^\//) {
383	# already absolute
384	} else {
385	$base =~ s{[^/]+/?$}{};
386	return $class->new ("$base/$path");
387	}
388
389	for ($path) {
390	redo if s{/\.?/}{/};
391	redo if s{/[^/]+/\.\./}{/};
392	}
393	}
394
395	$self->{path} = $path;
396
397	$self
398	}
399
400	# the name / primary key / in-game path
401	sub as_string {
402	my ($self) = @_;
403
404	$self->{user_rel} ? "~$self->{user}$self->{path}"
405	: $self->{random} ? "?random/$self->{path}"
406	: $self->{path}
407	}
408
409	# the displayed name, this is a one way mapping
410	sub visible_name {
411	my ($self) = @_;
412
413	# if (my $rmp = $self->{random}) {
414	# # todo: be more intelligent about this
415	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
416	# } else {
417	$self->as_string
418	# }
419	}
420
421	# escape the /'s in the path
422	sub _escaped_path {
423	# ∕ is U+2215
424	(my $path = $_[0]{path}) =~ s/\//∕/g;
425	$path
426	}
427
428	# the original (read-only) location
429	sub load_path {
430	my ($self) = @_;
431
432	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
433	}
434
435	# the temporary/swap location
436	sub save_path {
437	my ($self) = @_;
438
439	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
440	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
441	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
442	}
443
444	# the unique path, might be eq to save_path
445	sub uniq_path {
446	my ($self) = @_;
447
448	$self->{user_rel} || $self->{random}
449	? undef
450	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
451	}
452
453	# return random map parameters, or undef
454	sub random_map_params {
455	my ($self) = @_;
456
457	$self->{random}
458	}
459
460	# this is somewhat ugly, but style maps do need special treatment
461	sub is_style_map {
462	$_[0]{path} =~ m{^/styles/}
463	}
464
465	package cf;
466		389
467	#############################################################################	390	#############################################################################
468		391
469	=head2 ATTACHABLE OBJECTS	392	=head2 ATTACHABLE OBJECTS
470		393
…		…
596	our @CB_TYPE = (); # registry for type (cf-object class) based events	519	our @CB_TYPE = (); # registry for type (cf-object class) based events
597	our @CB_MAP = ();	520	our @CB_MAP = ();
598		521
599	my %attachment;	522	my %attachment;
600		523
		524	sub cf::attachable::thawer_merge {
		525	# simply override everything except _meta
		526	local $_[0]{_meta};
		527	%{$_[0]} = %{$_[1]};
		528	}
		529
601	sub _attach_cb($$$$) {	530	sub _attach_cb($$$$) {
602	my ($registry, $event, $prio, $cb) = @_;	531	my ($registry, $event, $prio, $cb) = @_;
603		532
604	use sort 'stable';	533	use sort 'stable';
605		534
…		…
776	# object support	705	# object support
777		706
778	sub reattach {	707	sub reattach {
779	# basically do the same as instantiate, without calling instantiate	708	# basically do the same as instantiate, without calling instantiate
780	my ($obj) = @_;	709	my ($obj) = @_;
		710
		711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
781		712
782	my $registry = $obj->registry;	713	my $registry = $obj->registry;
783		714
784	@$registry = ();	715	@$registry = ();
785		716
…		…
832	$filename, length $$rdata, scalar @$objs;	763	$filename, length $$rdata, scalar @$objs;
833		764
834	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
835	chmod SAVE_MODE, $fh;	766	chmod SAVE_MODE, $fh;
836	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
837	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
838	close $fh;	769	close $fh;
839		770
840	if (@$objs) {	771	if (@$objs) {
841	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) {
842	chmod SAVE_MODE, $fh;	773	chmod SAVE_MODE, $fh;
843	my $data = Storable::nfreeze { version => 1, objs => $objs };	774	my $data = Storable::nfreeze { version => 1, objs => $objs };
844	aio_write $fh, 0, (length $data), $data, 0;	775	aio_write $fh, 0, (length $data), $data, 0;
845	aio_fsync $fh;	776	aio_fsync $fh if $cf::USE_FSYNC;
846	close $fh;	777	close $fh;
847	aio_rename "$filename.pst~", "$filename.pst";	778	aio_rename "$filename.pst~", "$filename.pst";
848	}	779	}
849	} else {	780	} else {
850	aio_unlink "$filename.pst";	781	aio_unlink "$filename.pst";
…		…
856	}	787	}
857	} else {	788	} else {
858	aio_unlink $filename;	789	aio_unlink $filename;
859	aio_unlink "$filename.pst";	790	aio_unlink "$filename.pst";
860	}	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	}
861	}	798	}
862	}	799	}
863		800
864	sub object_freezer_as_string {	801	sub object_freezer_as_string {
865	my ($rdata, $objs) = @_;	802	my ($rdata, $objs) = @_;
…		…
871		808
872	sub object_thawer_load {	809	sub object_thawer_load {
873	my ($filename) = @_;	810	my ($filename) = @_;
874		811
875	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$//;
876		816
877	(aio_load $filename, $data) >= 0	817	(aio_load $filename, $data) >= 0
878	or return;	818	or return;
879		819
880	unless (aio_stat "$filename.pst") {	820	unless (aio_stat "$filename.pst") {
…		…
917	=cut	857	=cut
918		858
919	sub register_extcmd {	859	sub register_extcmd {
920	my ($name, $cb) = @_;	860	my ($name, $cb) = @_;
921		861
922	my $caller = caller;
923	#warn "registering extcmd '$name' to '$caller'";
924
925	$EXTCMD{$name} = [$cb, $caller];	862	$EXTCMD{$name} = $cb;
926	}	863	}
927		864
928	cf::player->attach (	865	cf::player->attach (
929	on_command => sub {	866	on_command => sub {
930	my ($pl, $name, $params) = @_;	867	my ($pl, $name, $params) = @_;
…		…
943		880
944	my $msg = eval { from_json $buf };	881	my $msg = eval { from_json $buf };
945		882
946	if (ref $msg) {	883	if (ref $msg) {
947	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
948	if (my %reply = $cb->[0]->($pl, $msg)) {	885	if (my %reply = $cb->($pl, $msg)) {
949	$pl->ext_reply ($msg->{msgid}, %reply);	886	$pl->ext_reply ($msg->{msgid}, %reply);
950	}	887	}
951	}	888	}
952	} else {	889	} else {
953	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
955		892
956	cf::override;	893	cf::override;
957	},	894	},
958	);	895	);
959		896
960	sub register {
961	my ($base, $pkg) = @_;
962
963	#TODO
964	}
965
966	sub load_extension {	897	sub load_extension {
967	my ($path) = @_;	898	my ($path) = @_;
968		899
969	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
970	my $base = $1;	901	my $base = $1;
971	my $pkg = $1;	902	my $pkg = $1;
972	$pkg =~ s/[^[:word:]]/_/g;	903	$pkg =~ s/[^[:word:]]/_/g;
973	$pkg = "ext::$pkg";	904	$pkg = "ext::$pkg";
974		905
975	warn "loading '$path' into '$pkg'\n";	906	warn "... loading '$path' into '$pkg'\n";
976		907
977	open my $fh, "<:utf8", $path	908	open my $fh, "<:utf8", $path
978	or die "$path: $!";	909	or die "$path: $!";
979		910
980	my $source =	911	my $source =
981	"package $pkg; use strict; use utf8;\n"	912	"package $pkg; use strict; use utf8;\n"
982	. "#line 1 \"$path\"\n{\n"	913	. "#line 1 \"$path\"\n{\n"
983	. (do { local $/; <$fh> })	914	. (do { local $/; <$fh> })
984	. "\n};\n1";	915	. "\n};\n1";
985		916
986	eval $source	917	unless (eval $source) {
987	or die $@ ? "$path: $@\n"	918	my $msg = $@ ? "$path: $@\n"
988	: "extension disabled.\n";	919	: "extension disabled.\n";
989		920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
990	push @exts, $pkg;	921	warn $@;
991	$ext_pkg{$base} = $pkg;	922	warn "mandatory extension failed to load, exiting.\n";
992		923	exit 1;
993	# no strict 'refs';	924	}
994	# @{"$pkg\::ISA"} = ext::;	925	die $@;
995
996	register $base, $pkg;
997	}
998
999	sub unload_extension {
1000	my ($pkg) = @_;
1001
1002	warn "removing extension $pkg\n";
1003
1004	# remove hooks
1005	#TODO
1006	# for my $idx (0 .. $#PLUGIN_EVENT) {
1007	# delete $hook[$idx]{$pkg};
1008	# }	926	}
1009		927
1010	# remove commands	928	push @EXTS, $pkg;
1011	for my $name (keys %COMMAND) {
1012	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1013
1014	if (@cb) {
1015	$COMMAND{$name} = \@cb;
1016	} else {
1017	delete $COMMAND{$name};
1018	}
1019	}
1020
1021	# remove extcmds
1022	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1023	delete $EXTCMD{$name};
1024	}
1025
1026	if (my $cb = $pkg->can ("unload")) {
1027	eval {
1028	$cb->($pkg);
1029	1
1030	} or warn "$pkg unloaded, but with errors: $@";
1031	}
1032
1033	Symbol::delete_package $pkg;
1034	}	929	}
1035		930
1036	sub load_extensions {	931	sub load_extensions {
1037	for my $ext (<$LIBDIR/*.ext>) {	932	for my $ext (<$LIBDIR/*.ext>) {
1038	next unless -r $ext;	933	next unless -r $ext;
…		…
1042	} or warn "$ext not loaded: $@";	937	} or warn "$ext not loaded: $@";
1043	}	938	}
1044	}	939	}
1045		940
1046	#############################################################################	941	#############################################################################
1047	# load/save/clean perl data associated with a map
1048
1049	*cf::mapsupport::on_clean = sub {
1050	my ($map) = @_;
1051
1052	my $path = $map->tmpname;
1053	defined $path or return;
1054
1055	unlink "$path.pst";
1056	};
1057
1058	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1059
1060	#############################################################################
1061	# load/save perl data associated with player->ob objects
1062
1063	sub all_objects(@) {
1064	@_, map all_objects ($_->inv), @_
1065	}
1066
1067	# TODO: compatibility cruft, remove when no longer needed
1068	cf::player->attach (
1069	on_load => sub {
1070	my ($pl, $path) = @_;
1071
1072	for my $o (all_objects $pl->ob) {
1073	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1074	$o->set_ob_key_value ("_perl_data");
1075
1076	%$o = %{ Storable::thaw pack "H*", $value };
1077	}
1078	}
1079	},
1080	);
1081
1082	#############################################################################
1083		942
1084	=head2 CORE EXTENSIONS	943	=head2 CORE EXTENSIONS
1085		944
1086	Functions and methods that extend core crossfire objects.	945	Functions and methods that extend core crossfire objects.
1087		946
		947	=cut
		948
		949	package cf::player;
		950
		951	use Coro::AIO;
		952
1088	=head3 cf::player	953	=head3 cf::player
1089		954
1090	=over 4	955	=over 4
1091		956
1092	=item cf::player::exists $login	957	=item cf::player::find $login
1093		958
1094	Returns true when the given account exists.	959	Returns the given player object, loading it if necessary (might block).
1095		960
1096	=cut	961	=cut
1097		962
1098	sub cf::player::exists($) {	963	sub playerdir($) {
1099	cf::player::find $_[0]	964	cf::localdir
1100	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
1101	}	1111	}
1102		1112
1103	=item $player->ext_reply ($msgid, $msgtype, %msg)	1113	=item $player->ext_reply ($msgid, $msgtype, %msg)
1104		1114
1105	Sends an ext reply to the player.	1115	Sends an ext reply to the player.
1106		1116
1107	=cut	1117	=cut
1108		1118
1109	sub cf::player::ext_reply($$$%) {	1119	sub ext_reply($$$%) {
1110	my ($self, $id, %msg) = @_;	1120	my ($self, $id, %msg) = @_;
1111		1121
1112	$msg{msgid} = $id;	1122	$msg{msgid} = $id;
1113		1123
1114	$self->send ("ext " . to_json \%msg);	1124	$self->send ("ext " . cf::to_json \%msg);
1115	}	1125	}
		1126
		1127	package cf;
1116		1128
1117	=back	1129	=back
1118		1130
1119		1131
1120	=head3 cf::map	1132	=head3 cf::map
…		…
1126	package cf::map;	1138	package cf::map;
1127		1139
1128	use Fcntl;	1140	use Fcntl;
1129	use Coro::AIO;	1141	use Coro::AIO;
1130		1142
		1143	use overload
		1144	'""' => \&as_string,
		1145	fallback => 1;
		1146
1131	our $MAX_RESET = 7200;	1147	our $MAX_RESET = 3600;
1132	our $DEFAULT_RESET = 3600;	1148	our $DEFAULT_RESET = 3000;
1133		1149
1134	sub generate_random_map {	1150	sub generate_random_map {
1135	my ($path, $rmp) = @_;	1151	my ($self, $rmp) = @_;
1136
1137	# mit "rum" bekleckern, nicht	1152	# mit "rum" bekleckern, nicht
1138	cf::map::_create_random_map	1153	$self->_create_random_map (
1139	$path,
1140	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1154	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1141	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1155	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1142	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1156	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1143	$rmp->{exit_on_final_map},	1157	$rmp->{exit_on_final_map},
1144	$rmp->{xsize}, $rmp->{ysize},	1158	$rmp->{xsize}, $rmp->{ysize},
1145	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1159	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1146	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1160	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1147	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1161	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1148	$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},
1149	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1163	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1150	(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
1151	}	1295	}
1152		1296
1153	# and all this just because we cannot iterate over	1297	# and all this just because we cannot iterate over
1154	# all maps in C++...	1298	# all maps in C++...
1155	sub change_all_map_light {	1299	sub change_all_map_light {
…		…
1157		1301
1158	$_->change_map_light ($change)	1302	$_->change_map_light ($change)
1159	for grep $_->outdoor, values %cf::MAP;	1303	for grep $_->outdoor, values %cf::MAP;
1160	}	1304	}
1161		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
1162	sub try_load_header($) {	1319	sub load_header_from($) {
1163	my ($path) = @_;	1320	my ($self, $path) = @_;
1164		1321
1165	utf8::encode $path;	1322	utf8::encode $path;
1166	aio_open $path, O_RDONLY, 0	1323	#aio_open $path, O_RDONLY, 0
		1324	# or return;
		1325
		1326	$self->_load_header ($path)
1167	or return;	1327	or return;
1168		1328
1169	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
1170	or return;	1372	or return;
		1373	$self->prepare_orig;
		1374	}
1171		1375
1172	$map->load_header ($path)	1376	1
1173	or return;
1174
1175	$map->{load_path} = $path;
1176
1177	$map
1178	}	1377	}
1179		1378
1180	sub find_map;	1379	sub find;
1181	sub find_map {	1380	sub find {
1182	my ($path, $origin) = @_;	1381	my ($path, $origin) = @_;
1183		1382
1184	#warn "find_map<$path,$origin>\n";#d#
1185
1186	$path = new cf::path $path, $origin && $origin->path;	1383	$path = normalise $path, $origin && $origin->path;
1187	my $key = $path->as_string;
1188		1384
1189	cf::lock_wait "map_find:$key";	1385	cf::lock_wait "map_find:$path";
1190		1386
1191	$cf::MAP{$key} || do {	1387	$cf::MAP{$path} || do {
1192	my $guard = cf::lock_acquire "map_find:$key";	1388	my $guard = cf::lock_acquire "map_find:$path";
1193		1389	my $map = new_from_path cf::map $path
1194	# do it the slow way
1195	my $map = try_load_header $path->save_path;
1196
1197	if ($map) {
1198	# safety
1199	$map->{instantiate_time} = $cf::RUNTIME
1200	if $map->{instantiate_time} > $cf::RUNTIME;
1201	} else {
1202	if (my $rmp = $path->random_map_params) {
1203	$map = generate_random_map $key, $rmp;
1204	} else {
1205	$map = try_load_header $path->load_path;
1206	}
1207
1208	$map or return;	1390	or return;
1209		1391
1210	$map->{load_original} = 1;
1211	$map->{instantiate_time} = $cf::RUNTIME;
1212	$map->instantiate;
1213
1214	# per-player maps become, after loading, normal maps
1215	$map->per_player (0) if $path->{user_rel};
1216	}
1217
1218	$map->path ($key);
1219	$map->{path} = $path;
1220	$map->{last_save} = $cf::RUNTIME;	1392	$map->{last_save} = $cf::RUNTIME;
1221	$map->last_access ($cf::RUNTIME);
1222		1393
1223	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;
1224	$map->reset;	1400	$map->reset;
1225	undef $guard;	1401	undef $guard;
1226	$map = find_map $path	1402	return find $path;
1227	or return;
1228	}	1403	}
1229		1404
1230	$cf::MAP{$key} = $map	1405	$cf::MAP{$path} = $map
1231	}	1406	}
1232	}	1407	}
		1408
		1409	sub pre_load { }
		1410	sub post_load { }
1233		1411
1234	sub load {	1412	sub load {
1235	my ($self) = @_;	1413	my ($self) = @_;
1236		1414
		1415	local $self->{deny_reset} = 1; # loading can take a long time
		1416
1237	my $path = $self->{path};	1417	my $path = $self->{path};
1238	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1418	my $guard = cf::lock_acquire "map_load:$path";
1239		1419
1240	return if $self->in_memory != cf::MAP_SWAPPED;	1420	return if $self->in_memory != cf::MAP_SWAPPED;
1241		1421
1242	$self->in_memory (cf::MAP_LOADING);	1422	$self->in_memory (cf::MAP_LOADING);
1243		1423
1244	$self->alloc;	1424	$self->alloc;
		1425
		1426	$self->pre_load;
		1427
1245	$self->load_objects ($self->{load_path}, 1)	1428	$self->_load_objects ($self->{load_path}, 1)
1246	or return;	1429	or return;
1247		1430
1248	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1249	if delete $self->{load_original};	1432	if delete $self->{load_original};
1250		1433
1251	if (my $uniq = $path->uniq_path) {	1434	if (my $uniq = $self->uniq_path) {
1252	utf8::encode $uniq;	1435	utf8::encode $uniq;
1253	if (aio_open $uniq, O_RDONLY, 0) {	1436	if (aio_open $uniq, O_RDONLY, 0) {
1254	$self->clear_unique_items;	1437	$self->clear_unique_items;
1255	$self->load_objects ($uniq, 0);	1438	$self->_load_objects ($uniq, 0);
1256	}	1439	}
1257	}	1440	}
		1441
		1442	Coro::cede;
1258		1443
1259	# now do the right thing for maps	1444	# now do the right thing for maps
1260	$self->link_multipart_objects;	1445	$self->link_multipart_objects;
1261		1446
1262	if ($self->{path}->is_style_map) {	1447	unless ($self->{deny_activate}) {
1263	$self->{deny_save} = 1;	1448	$self->decay_objects;
1264	$self->{deny_reset} = 1;
1265	} else {
1266	$self->fix_auto_apply;	1449	$self->fix_auto_apply;
1267	$self->decay_objects;
1268	$self->update_buttons;	1450	$self->update_buttons;
		1451	Coro::cede;
1269	$self->set_darkness_map;	1452	$self->set_darkness_map;
1270	$self->difficulty ($self->estimate_difficulty)	1453	$self->difficulty ($self->estimate_difficulty)
1271	unless $self->difficulty;	1454	unless $self->difficulty;
		1455	Coro::cede;
1272	$self->activate;	1456	$self->activate;
1273	}	1457	}
1274		1458
		1459	$self->post_load;
		1460
1275	$self->in_memory (cf::MAP_IN_MEMORY);	1461	$self->in_memory (cf::MAP_IN_MEMORY);
1276	}	1462	}
1277		1463
1278	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 {
1279	my ($path, $origin) = @_;	1498	my ($path, $origin) = @_;
1280		1499
1281	#warn "load_map_sync<$path, $origin>\n";#d#	1500	cf::sync_job { find $path, $origin }
		1501	}
1282		1502
1283	cf::sync_job {	1503	sub do_load_sync {
1284	my $map = cf::map::find_map $path, $origin	1504	my ($map) = @_;
1285	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;
1286	$map->load;	1527	$map->load;
1287	$map	1528
		1529	delete $MAP_PREFETCH{$path};
		1530	}
		1531	}
		1532	undef $MAP_PREFETCHER;
1288	}	1533	};
		1534	$MAP_PREFETCHER->prio (6);
		1535
		1536	()
1289	}	1537	}
1290		1538
1291	sub save {	1539	sub save {
1292	my ($self) = @_;	1540	my ($self) = @_;
1293		1541
		1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1543
1294	$self->{last_save} = $cf::RUNTIME;	1544	$self->{last_save} = $cf::RUNTIME;
1295		1545
1296	return unless $self->dirty;	1546	return unless $self->dirty;
1297		1547
1298	my $save = $self->{path}->save_path; utf8::encode $save;	1548	my $save = $self->save_path; utf8::encode $save;
1299	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1549	my $uniq = $self->uniq_path; utf8::encode $uniq;
1300		1550
1301	$self->{load_path} = $save;	1551	$self->{load_path} = $save;
1302		1552
1303	return if $self->{deny_save};	1553	return if $self->{deny_save};
1304		1554
		1555	local $self->{last_access} = $self->last_access;#d#
		1556
		1557	cf::async {
		1558	$_->contr->save for $self->players;
		1559	};
		1560
1305	if ($uniq) {	1561	if ($uniq) {
1306	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1307	$self->save_objects ($uniq, cf::IO_UNIQUES);	1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1308	} else {	1564	} else {
1309	$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);
1310	}	1566	}
1311	}	1567	}
1312		1568
1313	sub swap_out {	1569	sub swap_out {
1314	my ($self) = @_;	1570	my ($self) = @_;
		1571
		1572	# save first because save cedes
		1573	$self->save;
		1574
		1575	my $lock = cf::lock_acquire "map_data:" . $self->path;
1315		1576
1316	return if $self->players;	1577	return if $self->players;
1317	return if $self->in_memory != cf::MAP_IN_MEMORY;	1578	return if $self->in_memory != cf::MAP_IN_MEMORY;
1318	return if $self->{deny_save};	1579	return if $self->{deny_save};
1319		1580
1320	$self->save;
1321	$self->clear;	1581	$self->clear;
1322	$self->in_memory (cf::MAP_SWAPPED);	1582	$self->in_memory (cf::MAP_SWAPPED);
1323	}	1583	}
1324		1584
1325	sub reset_at {	1585	sub reset_at {
1326	my ($self) = @_;	1586	my ($self) = @_;
1327		1587
1328	# TODO: safety, remove and allow resettable per-player maps	1588	# TODO: safety, remove and allow resettable per-player maps
1329	return 1e99 if $self->{path}{user_rel};	1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1330	return 1e99 if $self->{deny_reset};	1590	return 1e99 if $self->{deny_reset};
1331		1591
1332	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1333	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;
1334		1594
…		…
1339	my ($self) = @_;	1599	my ($self) = @_;
1340		1600
1341	$self->reset_at <= $cf::RUNTIME	1601	$self->reset_at <= $cf::RUNTIME
1342	}	1602	}
1343		1603
1344	sub unlink_save {
1345	my ($self) = @_;
1346
1347	utf8::encode (my $save = $self->{path}->save_path);
1348	aioreq_pri 3; IO::AIO::aio_unlink $save;
1349	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1350	}
1351
1352	sub rename {
1353	my ($self, $new_path) = @_;
1354
1355	$self->unlink_save;
1356
1357	delete $cf::MAP{$self->path};
1358	$self->{path} = new cf::path $new_path;
1359	$self->path ($self->{path}->as_string);
1360	$cf::MAP{$self->path} = $self;
1361
1362	$self->save;
1363	}
1364
1365	sub reset {	1604	sub reset {
1366	my ($self) = @_;	1605	my ($self) = @_;
1367		1606
		1607	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1608
1368	return if $self->players;	1609	return if $self->players;
1369	return if $self->{path}{user_rel};#d#	1610	return if $self->isa ("ext::map_per_player");#d#
1370		1611
1371	warn "resetting map ", $self->path;#d#	1612	warn "resetting map ", $self->path;#d#
1372		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
1373	delete $cf::MAP{$self->path};	1624	delete $cf::MAP{$self->path};
		1625
		1626	$self->clear;
1374		1627
1375	$_->clear_links_to ($self) for values %cf::MAP;	1628	$_->clear_links_to ($self) for values %cf::MAP;
1376		1629
1377	$self->unlink_save;	1630	$self->unlink_save;
1378	$self->destroy;	1631	$self->destroy;
…		…
1381	my $nuke_counter = "aaaa";	1634	my $nuke_counter = "aaaa";
1382		1635
1383	sub nuke {	1636	sub nuke {
1384	my ($self) = @_;	1637	my ($self) = @_;
1385		1638
		1639	delete $cf::MAP{$self->path};
		1640
		1641	$self->unlink_save;
		1642
		1643	bless $self, "cf::map";
		1644	delete $self->{deny_reset};
1386	$self->{deny_save} = 1;	1645	$self->{deny_save} = 1;
1387	$self->reset_timeout (1);	1646	$self->reset_timeout (1);
1388	$self->rename ("{nuke}/" . ($nuke_counter++));	1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1648
		1649	$cf::MAP{$self->path} = $self;
		1650
1389	$self->reset; # polite request, might not happen	1651	$self->reset; # polite request, might not happen
1390	}	1652	}
1391		1653
1392	sub customise_for {	1654	=item cf::map::unique_maps
1393	my ($map, $ob) = @_;
1394		1655
1395	if ($map->per_player) {	1656	Returns an arrayref of paths of all shared maps that have
1396	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1657	instantiated unique items. May block.
1397	}
1398		1658
1399	$map	1659	=cut
1400	}
1401		1660
1402	sub emergency_save {	1661	sub unique_maps() {
1403	local $cf::FREEZE = 1;	1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1663	or return;
1404		1664
1405	warn "enter emergency map save\n";	1665	my @paths;
1406		1666
1407	cf::sync_job {	1667	for (@$files) {
1408	warn "begin emergency map save\n";	1668	utf8::decode $_;
1409	$_->save for values %cf::MAP;	1669	next if /\.pst$/;
		1670	next unless /^$PATH_SEP/o;
		1671
		1672	push @paths, cf::map::normalise $_;
1410	};	1673	}
1411		1674
1412	warn "end emergency map save\n";	1675	\@paths
1413	}	1676	}
1414		1677
1415	package cf;	1678	package cf;
1416		1679
1417	=back	1680	=back
1418		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
1419		1708
1420	=head3 cf::object::player	1709	=head3 cf::object::player
1421		1710
1422	=over 4	1711	=over 4
1423		1712
…		…
1463		1752
1464	=item $player_object->enter_link	1753	=item $player_object->enter_link
1465		1754
1466	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}>).
1467		1756
1468	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
1469	I<MUST> call C<leave_link> as soon as possible, though.	1758	I<MUST> call C<leave_link> as soon as possible, though.
1470		1759
		1760	Will never block.
		1761
1471	=item $player_object->leave_link ($map, $x, $y)	1762	=item $player_object->leave_link ($map, $x, $y)
1472		1763
1473	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
1474	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
1475	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
1476	to the emergency map position.	1767	fails, to the emergency map position.
1477		1768
1478	Might block.	1769	Might block.
1479		1770
1480	=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	}
1481		1782
1482	sub cf::object::player::enter_link {	1783	sub cf::object::player::enter_link {
1483	my ($self) = @_;	1784	my ($self) = @_;
1484		1785
1485	$self->deactivate_recursive;	1786	$self->deactivate_recursive;
1486		1787
1487	return if $self->map == $LINK_MAP;	1788	return if UNIVERSAL::isa $self->map, "ext::map_link";
1488		1789
1489	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1490	if $self->map;	1791	if $self->map;
1491		1792
1492	$self->enter_map ($LINK_MAP, 20, 20);	1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1493	}	1794	}
1494		1795
1495	sub cf::object::player::leave_link {	1796	sub cf::object::player::leave_link {
1496	my ($self, $map, $x, $y) = @_;	1797	my ($self, $map, $x, $y) = @_;
1497		1798
1498	my $link_pos = delete $self->{_link_pos};	1799	my $link_pos = delete $self->{_link_pos};
1499		1800
1500	unless ($map) {	1801	unless ($map) {
1501	# restore original map position	1802	# restore original map position
1502	($map, $x, $y) = @{ $link_pos || [] };	1803	($map, $x, $y) = @{ $link_pos || [] };
1503	$map = cf::map::find_map $map;	1804	$map = cf::map::find $map;
1504		1805
1505	unless ($map) {	1806	unless ($map) {
1506	($map, $x, $y) = @$EMERGENCY_POSITION;	1807	($map, $x, $y) = @$EMERGENCY_POSITION;
1507	$map = cf::map::find_map $map	1808	$map = cf::map::find $map
1508	or die "FATAL: cannot load emergency map\n";	1809	or die "FATAL: cannot load emergency map\n";
1509	}	1810	}
1510	}	1811	}
1511		1812
1512	($x, $y) = (-1, -1)	1813	($x, $y) = (-1, -1)
…		…
1515	# use -1 or undef as default coordinates, not 0, 0	1816	# use -1 or undef as default coordinates, not 0, 0
1516	($x, $y) = ($map->enter_x, $map->enter_y)	1817	($x, $y) = ($map->enter_x, $map->enter_y)
1517	if $x <=0 && $y <= 0;	1818	if $x <=0 && $y <= 0;
1518		1819
1519	$map->load;	1820	$map->load;
		1821	$map->load_diag;
1520		1822
		1823	return unless $self->contr->active;
1521	$self->activate_recursive;	1824	$self->activate_recursive;
1522	$self->enter_map ($map, $x, $y);	1825	$self->enter_map ($map, $x, $y);
1523	}	1826	}
1524		1827
1525	cf::player->attach (	1828	cf::player->attach (
…		…
1538		1841
1539	# try to abort aborted map switching on player login :)	1842	# try to abort aborted map switching on player login :)
1540	# should happen only on crashes	1843	# should happen only on crashes
1541	if ($pl->ob->{_link_pos}) {	1844	if ($pl->ob->{_link_pos}) {
1542	$pl->ob->enter_link;	1845	$pl->ob->enter_link;
1543	Coro::async {	1846	(async {
1544	# 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
1545	# 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);
1546	Coro::Timer::sleep 1;	1853	Coro::Timer::sleep 1;
1547	$pl->ob->leave_link;	1854	$pl->ob->leave_link;
1548	};	1855	})->prio (2);
1549	}	1856	}
1550	},	1857	},
1551	);	1858	);
1552		1859
1553	=item $player_object->goto_map ($path, $x, $y)	1860	=item $player_object->goto ($path, $x, $y)
1554		1861
1555	=cut	1862	=cut
1556		1863
1557	sub cf::object::player::goto_map {	1864	sub cf::object::player::goto {
1558	my ($self, $path, $x, $y) = @_;	1865	my ($self, $path, $x, $y) = @_;
1559		1866
1560	$self->enter_link;	1867	$self->enter_link;
1561		1868
1562	(Coro::async {	1869	(async {
1563	$path = new cf::path $path;	1870	my $map = eval {
1564
1565	my $map = cf::map::find_map $path->as_string;	1871	my $map = cf::map::find $path;
1566	$map = $map->customise_for ($self) if $map;	1872	$map = $map->customise_for ($self) if $map;
1567		1873	$map
1568	# warn "entering ", $map->path, " at ($x, $y)\n"	1874	} or
1569	# if $map;
1570
1571	$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);
1572		1876
1573	$self->leave_link ($map, $x, $y);	1877	$self->leave_link ($map, $x, $y);
1574	})->prio (1);	1878	})->prio (1);
1575	}	1879	}
1576		1880
…		…
1580		1884
1581	sub parse_random_map_params {	1885	sub parse_random_map_params {
1582	my ($spec) = @_;	1886	my ($spec) = @_;
1583		1887
1584	my $rmp = { # defaults	1888	my $rmp = { # defaults
1585	xsize => 10,	1889	xsize => (cf::rndm 15, 40),
1586	ysize => 10,	1890	ysize => (cf::rndm 15, 40),
		1891	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1892	#layout => string,
1587	};	1893	};
1588		1894
1589	for (split /\n/, $spec) {	1895	for (split /\n/, $spec) {
1590	my ($k, $v) = split /\s+/, $_, 2;	1896	my ($k, $v) = split /\s+/, $_, 2;
1591		1897
…		…
1595	$rmp	1901	$rmp
1596	}	1902	}
1597		1903
1598	sub prepare_random_map {	1904	sub prepare_random_map {
1599	my ($exit) = @_;	1905	my ($exit) = @_;
		1906
		1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1600		1908
1601	# all this does is basically replace the /! path by	1909	# all this does is basically replace the /! path by
1602	# a new random map path (?random/...) with a seed	1910	# a new random map path (?random/...) with a seed
1603	# that depends on the exit object	1911	# that depends on the exit object
1604		1912
1605	my $rmp = parse_random_map_params $exit->msg;	1913	my $rmp = parse_random_map_params $exit->msg;
1606		1914
1607	if ($exit->map) {	1915	if ($exit->map) {
1608	$rmp->{region} = $exit->map->region_name;	1916	$rmp->{region} = $exit->region->name;
1609	$rmp->{origin_map} = $exit->map->path;	1917	$rmp->{origin_map} = $exit->map->path;
1610	$rmp->{origin_x} = $exit->x;	1918	$rmp->{origin_x} = $exit->x;
1611	$rmp->{origin_y} = $exit->y;	1919	$rmp->{origin_y} = $exit->y;
1612	}	1920	}
1613		1921
1614	$rmp->{random_seed} ||= $exit->random_seed;	1922	$rmp->{random_seed} ||= $exit->random_seed;
1615		1923
1616	my $data = cf::to_json $rmp;	1924	my $data = cf::to_json $rmp;
1617	my $md5 = Digest::MD5::md5_hex $data;	1925	my $md5 = Digest::MD5::md5_hex $data;
		1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1618		1927
1619	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) {
1620	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;
1621		1932
1622	$exit->slaying ("?random/$md5");	1933	$exit->slaying ("?random/$md5");
1623	$exit->msg (undef);	1934	$exit->msg (undef);
1624	}	1935	}
1625	}	1936	}
…		…
1627	sub cf::object::player::enter_exit {	1938	sub cf::object::player::enter_exit {
1628	my ($self, $exit) = @_;	1939	my ($self, $exit) = @_;
1629		1940
1630	return unless $self->type == cf::PLAYER;	1941	return unless $self->type == cf::PLAYER;
1631		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
1632	$self->enter_link;	1952	$self->enter_link;
1633		1953
1634	(Coro::async {	1954	(async {
		1955	$self->deactivate_recursive; # just to be sure
1635	unless (eval {	1956	unless (eval {
1636		1957	$self->goto ($slaying, $hp, $sp);
1637	prepare_random_map $exit
1638	if $exit->slaying eq "/!";
1639
1640	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1641	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1642		1958
1643	1;	1959	1;
1644	}) {	1960	}) {
1645	$self->message ("Something went wrong deep within the crossfire server. "	1961	$self->message ("Something went wrong deep within the crossfire server. "
1646	. "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. "
1647	. "Please report this to the dungeon master",	1963	. "Please report this to the dungeon master!",
1648	cf::NDI_UNIQUE | cf::NDI_RED);	1964	cf::NDI_UNIQUE | cf::NDI_RED);
1649		1965
1650	warn "ERROR in enter_exit: $@";	1966	warn "ERROR in enter_exit: $@";
1651	$self->leave_link;	1967	$self->leave_link;
1652	}	1968	}
…		…
1703	on_reply => sub {	2019	on_reply => sub {
1704	my ($ns, $msg) = @_;	2020	my ($ns, $msg) = @_;
1705		2021
1706	# this weird shuffling is so that direct followup queries	2022	# this weird shuffling is so that direct followup queries
1707	# get handled first	2023	# get handled first
1708	my $queue = delete $ns->{query_queue};	2024	my $queue = delete $ns->{query_queue}
		2025	or return; # be conservative, not sure how that can happen, but we saw a crash here
1709		2026
1710	(shift @$queue)->[1]->($msg);	2027	(shift @$queue)->[1]->($msg);
		2028	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1711		2029
1712	push @{ $ns->{query_queue} }, @$queue;	2030	push @{ $ns->{query_queue} }, @$queue;
1713		2031
1714	if (@{ $ns->{query_queue} } == @$queue) {	2032	if (@{ $ns->{query_queue} } == @$queue) {
1715	if (@$queue) {	2033	if (@$queue) {
…		…
1719	}	2037	}
1720	}	2038	}
1721	},	2039	},
1722	);	2040	);
1723		2041
1724	=item $client->coro (\&cb)	2042	=item $client->async (\&cb)
1725		2043
1726	Create a new coroutine, running the specified callback. The coroutine will	2044	Create a new coroutine, running the specified callback. The coroutine will
1727	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,
1728	or loss of connection).	2046	or loss of connection).
1729		2047
1730	=cut	2048	=cut
1731		2049
1732	sub cf::client::coro {	2050	sub cf::client::async {
1733	my ($self, $cb) = @_;	2051	my ($self, $cb) = @_;
1734		2052
1735	my $coro; $coro = async {	2053	my $coro = &Coro::async ($cb);
1736	eval {
1737	$cb->();
1738	};
1739	warn $@ if $@;
1740	};
1741		2054
1742	$coro->on_destroy (sub {	2055	$coro->on_destroy (sub {
1743	delete $self->{_coro}{$coro+0};	2056	delete $self->{_coro}{$coro+0};
1744	});	2057	});
1745		2058
…		…
1881	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
1882	using it, it should be unique.	2195	using it, it should be unique.
1883		2196
1884	=over 4	2197	=over 4
1885		2198
1886	=item $hashref = cf::db_get $family
1887
1888	Return a hashref for use by the extension C<$family>, which can be
1889	modified. After modifications, you have to call C<cf::db_dirty> or
1890	C<cf::db_sync>.
1891
1892	=item $value = cf::db_get $family => $key	2199	=item $value = cf::db_get $family => $key
1893		2200
1894	Returns a single value from the database	2201	Returns a single value from the database.
1895
1896	=item cf::db_put $family => $hashref
1897
1898	Stores the given family hashref into the database. Updates are delayed, if
1899	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1900		2202
1901	=item cf::db_put $family => $key => $value	2203	=item cf::db_put $family => $key => $value
1902		2204
1903	Stores the given C<$value> in the family hash. Updates are delayed, if you	2205	Stores the given C<$value> in the family.
1904	want the data to be synced to disk immediately, use C<cf::db_sync>.
1905
1906	=item cf::db_dirty
1907
1908	Marks the database as dirty, to be updated at a later time.
1909
1910	=item cf::db_sync
1911
1912	Immediately write the database to disk I<if it is dirty>.
1913		2206
1914	=cut	2207	=cut
1915		2208
1916	our $DB;	2209	our $DB;
1917		2210
1918	{	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
1919	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;
1920		2230
1921	sub db_load() {	2231	cf::db_put (board => data => $pst->{board});
1922	$DB = stat $path ? Storable::retrieve $path : { };	2232	cf::db_put (guildrules => data => $pst->{guildrules});
1923	}	2233	cf::db_put (rent => balance => $pst->{rent}{balance});
		2234	BDB::db_env_txn_checkpoint $DB_ENV;
1924		2235
1925	my $pid;	2236	unlink $path;
1926
1927	sub db_save() {
1928	waitpid $pid, 0 if $pid;
1929	if (0 == ($pid = fork)) {
1930	$DB->{_meta}{version} = 1;
1931	Storable::nstore $DB, "$path~";
1932	rename "$path~", $path;
1933	cf::_exit 0 if defined $pid;
1934	}	2237	};
1935	}
1936
1937	my $dirty;
1938
1939	sub db_sync() {
1940	db_save if $dirty;
1941	undef $dirty;
1942	}
1943
1944	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1945	db_sync;
1946	});
1947
1948	sub db_dirty() {
1949	$dirty = 1;
1950	$idle->start;
1951	}
1952
1953	sub db_get($;$) {
1954	@_ >= 2
1955	? $DB->{$_[0]}{$_[1]}
1956	: ($DB->{$_[0]} ||= { })
1957	}
1958
1959	sub db_put($$;$) {
1960	if (@_ >= 3) {
1961	$DB->{$_[0]}{$_[1]} = $_[2];
1962	} else {
1963	$DB->{$_[0]} = $_[1];
1964	}
1965	db_dirty;
1966	}
1967
1968	cf::global->attach (
1969	prio => 10000,
1970	on_cleanup => sub {
1971	db_sync;
1972	},	2238	}
1973	);	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 { };
1974	}	2256	}
1975		2257
1976	#############################################################################	2258	#############################################################################
1977	# 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	}
1978		2265
1979	sub cfg_load {	2266	sub cfg_load {
1980	open my $fh, "<:utf8", cf::confdir . "/config"	2267	open my $fh, "<:utf8", cf::confdir . "/config"
1981	or return;	2268	or return;
1982		2269
1983	local $/;	2270	local $/;
1984	*CFG = YAML::Syck::Load <$fh>;	2271	*CFG = YAML::Syck::Load <$fh>;
		2272
		2273	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		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
		2278	if (exists $CFG{mlockall}) {
		2279	eval {
		2280	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2281	and die "WARNING: m(un)lockall failed: $!\n";
		2282	};
		2283	warn $@ if $@;
		2284	}
		2285	}
		2286
		2287	sub init {
		2288	load_resources;
1985	}	2289	}
1986		2290
1987	sub main {	2291	sub main {
1988	# we must not ever block the main coroutine	2292	# we must not ever block the main coroutine
1989	local $Coro::idle = sub {	2293	local $Coro::idle = sub {
1990	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#
1991	(Coro::unblock_sub {	2295	(async {
1992	Event::one_event;	2296	Event::one_event;
1993	})->();	2297	})->prio (Coro::PRIO_MAX);
1994	};	2298	};
1995		2299
1996	cfg_load;	2300	cfg_load;
1997	db_load;	2301	db_init;
1998	load_extensions;	2302	load_extensions;
		2303
		2304	$TICK_WATCHER->start;
1999	Event::loop;	2305	Event::loop;
2000	}	2306	}
2001		2307
2002	#############################################################################	2308	#############################################################################
2003	# 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 $DB_ENV;
		2353	warn "end emergency database checkpoint\n";
		2354	};
		2355
		2356	warn "leave emergency perl save\n";
		2357	}
2004		2358
2005	sub reload() {	2359	sub reload() {
2006	# can/must only be called in main	2360	# can/must only be called in main
2007	if ($Coro::current != $Coro::main) {	2361	if ($Coro::current != $Coro::main) {
2008	warn "can only reload from main coroutine\n";	2362	warn "can only reload from main coroutine";
2009	return;	2363	return;
2010	}	2364	}
2011		2365
2012	warn "reloading...";	2366	warn "reloading...";
2013		2367
2014	local $FREEZE = 1;	2368	warn "cancelling server ticker";
		2369	$TICK_WATCHER->cancel;
		2370
2015	cf::emergency_save;	2371	cf::emergency_save;
2016		2372
2017	eval {	2373	eval {
2018	# if anything goes wrong in here, we should simply crash as we already saved	2374	# if anything goes wrong in here, we should simply crash as we already saved
2019		2375
2020	# cancel all watchers	2376	warn "cancelling all WF_AUTOCANCEL watchers";
2021	for (Event::all_watchers) {	2377	for (Event::all_watchers) {
2022	$_->cancel if $_->data & WF_AUTOCANCEL;	2378	$_->cancel if $_->data & WF_AUTOCANCEL;
2023	}	2379	}
2024		2380
		2381	warn "syncing database to disk";
		2382	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		2383
		2384	warn "flushing outstanding aio requests";
		2385	for (;;) {
		2386	BDB::flush;
		2387	IO::AIO::flush;
		2388	Coro::cede;
		2389	last unless IO::AIO::nreqs || BDB::nreqs;
		2390	warn "iterate...";
		2391	}
		2392
2025	# cancel all extension coros	2393	warn "cancelling all extension coros";
2026	$_->cancel for values %EXT_CORO;	2394	$_->cancel for values %EXT_CORO;
2027	%EXT_CORO = ();	2395	%EXT_CORO = ();
2028		2396
2029	# unload all extensions	2397	warn "removing commands";
2030	for (@exts) {	2398	%COMMAND = ();
		2399
		2400	warn "removing ext commands";
		2401	%EXTCMD = ();
		2402
		2403	warn "unloading/nuking all extensions";
		2404	for my $pkg (@EXTS) {
2031	warn "unloading <$_>";	2405	warn "... unloading $pkg";
2032	unload_extension $_;	2406
		2407	if (my $cb = $pkg->can ("unload")) {
		2408	eval {
		2409	$cb->($pkg);
		2410	1
		2411	} or warn "$pkg unloaded, but with errors: $@";
2033	}	2412	}
2034		2413
		2414	warn "... nuking $pkg";
		2415	Symbol::delete_package $pkg;
		2416	}
		2417
2035	# unload all modules loaded from $LIBDIR	2418	warn "unloading all perl modules loaded from $LIBDIR";
2036	while (my ($k, $v) = each %INC) {	2419	while (my ($k, $v) = each %INC) {
2037	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2420	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2038		2421
2039	warn "removing <$k>";	2422	warn "... unloading $k";
2040	delete $INC{$k};	2423	delete $INC{$k};
2041		2424
2042	$k =~ s/\.pm$//;	2425	$k =~ s/\.pm$//;
2043	$k =~ s/\//::/g;	2426	$k =~ s/\//::/g;
2044		2427
…		…
2047	}	2430	}
2048		2431
2049	Symbol::delete_package $k;	2432	Symbol::delete_package $k;
2050	}	2433	}
2051		2434
2052	# sync database to disk
2053	cf::db_sync;
2054	IO::AIO::flush;
2055
2056	# get rid of safe::, as good as possible	2435	warn "getting rid of safe::, as good as possible";
2057	Symbol::delete_package "safe::$_"	2436	Symbol::delete_package "safe::$_"
2058	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2437	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2059		2438
2060	# remove register_script_function callbacks
2061	# TODO
2062
2063	# unload cf.pm "a bit"	2439	warn "unloading cf.pm \"a bit\"";
2064	delete $INC{"cf.pm"};	2440	delete $INC{"cf.pm"};
2065		2441
2066	# don't, removes xs symbols, too,	2442	# don't, removes xs symbols, too,
2067	# and global variables created in xs	2443	# and global variables created in xs
2068	#Symbol::delete_package __PACKAGE__;	2444	#Symbol::delete_package __PACKAGE__;
2069		2445
2070	# reload cf.pm	2446	warn "unload completed, starting to reload now";
		2447
2071	warn "reloading cf.pm";	2448	warn "reloading cf.pm";
2072	require cf;	2449	require cf;
2073	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2450	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2074		2451
2075	# load config and database again	2452	warn "loading config and database again";
2076	cf::cfg_load;	2453	cf::cfg_load;
2077	cf::db_load;
2078		2454
2079	# load extensions
2080	warn "load extensions";	2455	warn "loading extensions";
2081	cf::load_extensions;	2456	cf::load_extensions;
2082		2457
2083	# reattach attachments to objects	2458	warn "reattaching attachments to objects/players";
2084	warn "reattach";
2085	_global_reattach;	2459	_global_reattach;
		2460	warn "reattaching attachments to maps";
		2461	reattach $_ for values %MAP;
		2462
		2463	warn "loading reloadable resources";
		2464	load_resources;
		2465
		2466	warn "restarting server ticker";
		2467
		2468	$TICK_WATCHER->start;
2086	};	2469	};
2087		2470
2088	if ($@) {	2471	if ($@) {
2089	warn $@;	2472	warn $@;
2090	warn "error while reloading, exiting.";	2473	warn "error while reloading, exiting.";
2091	exit 1;	2474	exit 1;
2092	}	2475	}
2093		2476
2094	warn "reloaded successfully";	2477	warn "reloaded";
2095	};	2478	};
2096		2479
2097	#############################################################################	2480	our $RELOAD_WATCHER; # used only during reload
2098
2099	unless ($LINK_MAP) {
2100	$LINK_MAP = cf::map::new;
2101
2102	$LINK_MAP->width (41);
2103	$LINK_MAP->height (41);
2104	$LINK_MAP->alloc;
2105	$LINK_MAP->path ("{link}");
2106	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2107	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2108
2109	# dirty hack because... archetypes are not yet loaded
2110	Event->timer (
2111	after => 2,
2112	cb => sub {
2113	$_[0]->w->cancel;
2114
2115	# provide some exits "home"
2116	my $exit = cf::object::new "exit";
2117
2118	$exit->slaying ($EMERGENCY_POSITION->[0]);
2119	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2120	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2121
2122	$LINK_MAP->insert ($exit->clone, 19, 19);
2123	$LINK_MAP->insert ($exit->clone, 19, 20);
2124	$LINK_MAP->insert ($exit->clone, 19, 21);
2125	$LINK_MAP->insert ($exit->clone, 20, 19);
2126	$LINK_MAP->insert ($exit->clone, 20, 21);
2127	$LINK_MAP->insert ($exit->clone, 21, 19);
2128	$LINK_MAP->insert ($exit->clone, 21, 20);
2129	$LINK_MAP->insert ($exit->clone, 21, 21);
2130
2131	$exit->destroy;
2132	});
2133
2134	$LINK_MAP->{deny_save} = 1;
2135	$LINK_MAP->{deny_reset} = 1;
2136
2137	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2138	}
2139
2140	register "<global>", __PACKAGE__;
2141		2481
2142	register_command "reload" => sub {	2482	register_command "reload" => sub {
2143	my ($who, $arg) = @_;	2483	my ($who, $arg) = @_;
2144		2484
2145	if ($who->flag (FLAG_WIZ)) {	2485	if ($who->flag (FLAG_WIZ)) {
2146	$who->message ("start of reload.");	2486	$who->message ("reloading server.");
		2487
		2488	# doing reload synchronously and two reloads happen back-to-back,
		2489	# coro crashes during coro_state_free->destroy here.
		2490
		2491	$RELOAD_WATCHER ||= Event->timer (
		2492	reentrant => 0,
		2493	after => 0,
		2494	data => WF_AUTOCANCEL,
		2495	cb => sub {
2147	reload;	2496	reload;
2148	$who->message ("end of reload.");	2497	undef $RELOAD_WATCHER;
		2498	},
		2499	);
2149	}	2500	}
2150	};	2501	};
2151		2502
2152	unshift @INC, $LIBDIR;	2503	unshift @INC, $LIBDIR;
		2504
		2505	my $bug_warning = 0;
2153		2506
2154	$TICK_WATCHER = Event->timer (	2507	$TICK_WATCHER = Event->timer (
2155	reentrant => 0,	2508	reentrant => 0,
		2509	parked => 1,
2156	prio => 0,	2510	prio => 0,
2157	at => $NEXT_TICK || $TICK,	2511	at => $NEXT_TICK || $TICK,
2158	data => WF_AUTOCANCEL,	2512	data => WF_AUTOCANCEL,
2159	cb => sub {	2513	cb => sub {
2160	unless ($FREEZE) {	2514	if ($Coro::current != $Coro::main) {
		2515	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2516	unless ++$bug_warning > 10;
		2517	return;
		2518	}
		2519
		2520	$NOW = Event::time;
		2521
2161	cf::server_tick; # one server iteration	2522	cf::server_tick; # one server iteration
2162	$RUNTIME += $TICK;	2523	$RUNTIME += $TICK;
2163	}
2164
2165	$NEXT_TICK += $TICK;	2524	$NEXT_TICK += $TICK;
		2525
		2526	$WAIT_FOR_TICK->broadcast;
		2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2528
		2529	Event::sweep;
		2530	Coro::cede_notself;
		2531
		2532	# my $AFTER = Event::time;
		2533	# warn $AFTER - $NOW;#d#
2166		2534
2167	# if we are delayed by four ticks or more, skip them all	2535	# if we are delayed by four ticks or more, skip them all
2168	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2536	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2169		2537
2170	$TICK_WATCHER->at ($NEXT_TICK);	2538	$TICK_WATCHER->at ($NEXT_TICK);
2171	$TICK_WATCHER->start;	2539	$TICK_WATCHER->start;
2172	},	2540	},
2173	);	2541	);
2174		2542
		2543	{
		2544	BDB::max_poll_time $TICK * 0.1;
		2545	$BDB_POLL_WATCHER = Event->io (
		2546	reentrant => 0,
		2547	fd => BDB::poll_fileno,
		2548	poll => 'r',
		2549	prio => 0,
		2550	data => WF_AUTOCANCEL,
		2551	cb => \&BDB::poll_cb,
		2552	);
		2553	BDB::min_parallel 8;
		2554
		2555	BDB::set_sync_prepare {
		2556	my $status;
		2557	my $current = $Coro::current;
		2558	(
		2559	sub {
		2560	$status = $!;
		2561	$current->ready; undef $current;
		2562	},
		2563	sub {
		2564	Coro::schedule while defined $current;
		2565	$! = $status;
		2566	},
		2567	)
		2568	};
		2569
		2570	unless ($DB_ENV) {
		2571	$DB_ENV = BDB::db_env_create;
		2572
		2573	cf::sync_job {
		2574	eval {
		2575	BDB::db_env_open
		2576	$DB_ENV,
		2577	$BDB_ENV_DIR,
		2578	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2579	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2580	0666;
		2581
		2582	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2583
		2584	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2585	$DB_ENV->set_lk_detect;
		2586	};
		2587
		2588	cf::cleanup "db_env_open(db): $@" if $@;
		2589	};
		2590	}
		2591	}
		2592
		2593	{
		2594	IO::AIO::min_parallel 8;
		2595
		2596	undef $Coro::AIO::WATCHER;
2175	IO::AIO::max_poll_time $TICK * 0.2;	2597	IO::AIO::max_poll_time $TICK * 0.1;
2176		2598	$AIO_POLL_WATCHER = Event->io (
2177	Event->io (	2599	reentrant => 0,
2178	fd => IO::AIO::poll_fileno,	2600	fd => IO::AIO::poll_fileno,
2179	poll => 'r',	2601	poll => 'r',
2180	prio => 5,	2602	prio => 6,
2181	data => WF_AUTOCANCEL,	2603	data => WF_AUTOCANCEL,
2182	cb => \&IO::AIO::poll_cb,	2604	cb => \&IO::AIO::poll_cb,
2183	);	2605	);
		2606	}
2184		2607
2185	Event->timer (	2608	$WRITE_RUNTIME_WATCHER = Event->timer (
		2609	reentrant => 0,
2186	data => WF_AUTOCANCEL,	2610	data => WF_AUTOCANCEL,
2187	after => 0,	2611	after => 1,
2188	interval => 10,	2612	interval => 10,
2189	cb => sub {	2613	prio => 6, # keep it lowest so it acts like a watchdog
2190	(Coro::unblock_sub {	2614	cb => Coro::unblock_sub {
2191	write_runtime	2615	write_runtime
2192	or warn "ERROR: unable to write runtime file: $!";	2616	or warn "ERROR: unable to write runtime file: $!";
2193	})->();
2194	},	2617	},
2195	);	2618	);
2196		2619
2197	END { cf::emergency_save }	2620	END { cf::emergency_save }
2198		2621

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