ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/cf.schmorp.de/server/lib/cf.pm

Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.111 by root, Mon Jan 1 12:28:47 2007 UTC vs.
Revision 1.223 by root, Sun Mar 11 02:12:44 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3;	13	use Coro 3.5 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use BDB ();
		21	use Data::Dumper;
20	use Digest::MD5;	22	use Digest::MD5;
21	use Fcntl;	23	use Fcntl;
22	use IO::AIO 2.31 ();	24	use IO::AIO 2.32 ();
23	use YAML::Syck ();	25	use YAML::Syck ();
24	use Time::HiRes;	26	use Time::HiRes;
		27	use Compress::LZF;
		28
		29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
25		30
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
		32
		33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
27		34
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	36	$YAML::Syck::ImplicitUnicode = 1;
30		37
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		39
35	our %COMMAND = ();	40	our %COMMAND = ();
36	our %COMMAND_TIME = ();	41	our %COMMAND_TIME = ();
		42
		43	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	44	our %EXTCMD = ();
		45	our %EXT_CORO = (); # coroutines bound to extensions
		46	our %EXT_MAP = (); # pluggable maps
38		47
		48	our $RELOAD; # number of reloads so far
39	our @EVENT;	49	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	50	our $LIBDIR = datadir . "/ext";
41		51
42	our $TICK = MAX_TIME * 1e-6;	52	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	53	our $TICK_WATCHER;
		54	our $AIO_POLL_WATCHER;
		55	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	56	our $NEXT_TICK;
45	our $NOW;	57	our $NOW;
		58	our $USE_FSYNC = 1; # use fsync to write maps - default off
		59
		60	our $BDB_POLL_WATCHER;
		61	our $DB_ENV;
46		62
47	our %CFG;	63	our %CFG;
48		64
49	our $UPTIME; $UPTIME ||= time;	65	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	66	our $RUNTIME;
51		67
		68	our %PLAYER; # all users
52	our %MAP; # all maps	69	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	70	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	71	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	72	our $BDB_ENV_DIR = cf::localdir . "/db";
		73
		74	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		75	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		76
		77	# used to convert map paths into valid unix filenames by replacing / by ∕
		78	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		79
58	binmode STDOUT;	80	binmode STDOUT;
59	binmode STDERR;	81	binmode STDERR;
60		82
61	# read virtual server time, if available	83	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	90	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	91	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	92	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	93	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	94	mkdir $RANDOM_MAPS;
		95	mkdir $BDB_ENV_DIR;
73		96
74	# a special map that is always available	97	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		98
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	99	sub cf::map::normalise;
78		100
79	#############################################################################	101	#############################################################################
80		102
81	=head2 GLOBAL VARIABLES	103	=head2 GLOBAL VARIABLES
82		104
…		…
106		128
107	=item %cf::CFG	129	=item %cf::CFG
108		130
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	131	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	132	from wherever your confdir points to.
		133
		134	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		135
		136	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		137	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		138	processing has been done. Call C<< ->wait >> on them to maximise the
		139	window of cpu time available, or simply to synchronise to the server tick.
111		140
112	=back	141	=back
113		142
114	=cut	143	=cut
115		144
…		…
119	utf8::encode $msg;	148	utf8::encode $msg;
120		149
121	$msg .= "\n"	150	$msg .= "\n"
122	unless $msg =~ /\n$/;	151	unless $msg =~ /\n$/;
123		152
124	LOG llevError, "cfperl: $msg";	153	LOG llevError, $msg;
125	};	154	};
126	}	155	}
127		156
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	157	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	158	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		176
148	$Event::DIED = sub {	177	$Event::DIED = sub {
149	warn "error in event callback: @_";	178	warn "error in event callback: @_";
150	};	179	};
151		180
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	181	=head2 UTILITY FUNCTIONS
157		182
158	=over 4	183	=over 4
159		184
		185	=item dumpval $ref
		186
160	=cut	187	=cut
		188
		189	sub dumpval {
		190	eval {
		191	local $SIG{__DIE__};
		192	my $d;
		193	if (1) {
		194	$d = new Data::Dumper([$_[0]], ["*var"]);
		195	$d->Terse(1);
		196	$d->Indent(2);
		197	$d->Quotekeys(0);
		198	$d->Useqq(1);
		199	#$d->Bless(...);
		200	$d->Seen($_[1]) if @_ > 1;
		201	$d = $d->Dump();
		202	}
		203	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		204	$d
		205	} || "[unable to dump $_[0]: '$@']";
		206	}
161		207
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	208	use JSON::Syck (); # TODO# replace by JSON::PC once working
163		209
164	=item $ref = cf::from_json $json	210	=item $ref = cf::from_json $json
165		211
…		…
180		226
181	sub to_json($) {	227	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	228	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	229	JSON::Syck::Dump $_[0]
184	}	230	}
		231
		232	=item cf::lock_wait $string
		233
		234	Wait until the given lock is available. See cf::lock_acquire.
		235
		236	=item my $lock = cf::lock_acquire $string
		237
		238	Wait until the given lock is available and then acquires it and returns
		239	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		240	for example when the coroutine gets canceled), the lock is automatically
		241	returned.
		242
		243	Lock names should begin with a unique identifier (for example, cf::map::find
		244	uses map_find and cf::map::load uses map_load).
		245
		246	=cut
		247
		248	our %LOCK;
		249
		250	sub lock_wait($) {
		251	my ($key) = @_;
		252
		253	# wait for lock, if any
		254	while ($LOCK{$key}) {
		255	push @{ $LOCK{$key} }, $Coro::current;
		256	Coro::schedule;
		257	}
		258	}
		259
		260	sub lock_acquire($) {
		261	my ($key) = @_;
		262
		263	# wait, to be sure we are not locked
		264	lock_wait $key;
		265
		266	$LOCK{$key} = [];
		267
		268	Coro::guard {
		269	# wake up all waiters, to be on the safe side
		270	$_->ready for @{ delete $LOCK{$key} };
		271	}
		272	}
		273
		274	sub freeze_mainloop {
		275	return unless $TICK_WATCHER->is_active;
		276
		277	my $guard = Coro::guard {
		278	$TICK_WATCHER->start;
		279	};
		280	$TICK_WATCHER->stop;
		281	$guard
		282	}
		283
		284	=item cf::async { BLOCK }
		285
		286	Currently the same as Coro::async_pool, meaning you cannot use
		287	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		288	thing you are allowed to do is call C<prio> on it.
		289
		290	=cut
		291
		292	BEGIN { *async = \&Coro::async_pool }
185		293
186	=item cf::sync_job { BLOCK }	294	=item cf::sync_job { BLOCK }
187		295
188	The design of crossfire+ requires that the main coro ($Coro::main) is	296	The design of crossfire+ requires that the main coro ($Coro::main) is
189	always able to handle events or runnable, as crossfire+ is only partly	297	always able to handle events or runnable, as crossfire+ is only partly
…		…
197	=cut	305	=cut
198		306
199	sub sync_job(&) {	307	sub sync_job(&) {
200	my ($job) = @_;	308	my ($job) = @_;
201		309
202	my $busy = 1;
203	my @res;
204
205	my $coro = Coro::async {
206	@res = eval { $job->() };
207	warn $@ if $@;
208	undef $busy;
209	};
210
211	if ($Coro::current == $Coro::main) {	310	if ($Coro::current == $Coro::main) {
		311	# this is the main coro, too bad, we have to block
		312	# till the operation succeeds, freezing the server :/
		313
212	# TODO: use suspend/resume instead	314	# TODO: use suspend/resume instead
213	local $FREEZE = 1;	315	# (but this is cancel-safe)
		316	my $freeze_guard = freeze_mainloop;
		317
		318	my $busy = 1;
		319	my @res;
		320
		321	(async {
		322	@res = eval { $job->() };
		323	warn $@ if $@;
		324	undef $busy;
214	$coro->prio (Coro::PRIO_MAX);	325	})->prio (Coro::PRIO_MAX);
		326
215	while ($busy) {	327	while ($busy) {
216	Coro::cede_notself;	328	Coro::cede or Event::one_event;
217	Event::one_event unless Coro::nready;
218	}	329	}
		330
		331	wantarray ? @res : $res[0]
219	} else {	332	} else {
220	$coro->join;	333	# we are in another coroutine, how wonderful, everything just works
		334
		335	$job->()
221	}	336	}
222
223	wantarray ? @res : $res[0]
224	}	337	}
225		338
226	=item $coro = cf::coro { BLOCK }	339	=item $coro = cf::async_ext { BLOCK }
227		340
228	Creates and returns a new coro. This coro is automcatially being canceled	341	Like async, but this coro is automatically being canceled when the
229	when the extension calling this is being unloaded.	342	extension calling this is being unloaded.
230		343
231	=cut	344	=cut
232		345
233	sub coro(&) {	346	sub async_ext(&) {
234	my $cb = shift;	347	my $cb = shift;
235		348
236	my $coro; $coro = async {	349	my $coro = &Coro::async ($cb);
237	eval {
238	$cb->();
239	};
240	warn $@ if $@;
241	};
242		350
243	$coro->on_destroy (sub {	351	$coro->on_destroy (sub {
244	delete $EXT_CORO{$coro+0};	352	delete $EXT_CORO{$coro+0};
245	});	353	});
246	$EXT_CORO{$coro+0} = $coro;	354	$EXT_CORO{$coro+0} = $coro;
247		355
248	$coro	356	$coro
249	}	357	}
250		358
251	sub write_runtime {	359	sub write_runtime {
		360	my $guard = cf::lock_acquire "write_runtime";
		361
252	my $runtime = cf::localdir . "/runtime";	362	my $runtime = cf::localdir . "/runtime";
253		363
254	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
255	or return;	365	or return;
256		366
257	my $value = $cf::RUNTIME;	367	my $value = $cf::RUNTIME + 90 + 10;
		368	# 10 is the runtime save interval, for a monotonic clock
		369	# 60 allows for the watchdog to kill the server.
		370
258	(aio_write $fh, 0, (length $value), $value, 0) <= 0	371	(aio_write $fh, 0, (length $value), $value, 0) <= 0
259	and return;	372	and return;
260		373
		374	# always fsync - this file is important
261	aio_fsync $fh	375	aio_fsync $fh
262	and return;	376	and return;
263		377
264	close $fh	378	close $fh
265	or return;	379	or return;
…		…
271	}	385	}
272		386
273	=back	387	=back
274		388
275	=cut	389	=cut
276
277	#############################################################################
278
279	package cf::path;
280
281	sub new {
282	my ($class, $path, $base) = @_;
283
284	$path = $path->as_string if ref $path;
285
286	my $self = bless { }, $class;
287
288	if ($path =~ s{^\?random/}{}) {
289	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
290	$self->{random} = cf::from_json $data;
291	} else {
292	if ($path =~ s{^~([^/]+)?}{}) {
293	$self->{user_rel} = 1;
294
295	if (defined $1) {
296	$self->{user} = $1;
297	} elsif ($base =~ m{^~([^/]+)/}) {
298	$self->{user} = $1;
299	} else {
300	warn "cannot resolve user-relative path without user <$path,$base>\n";
301	}
302	} elsif ($path =~ /^\//) {
303	# already absolute
304	} else {
305	$base =~ s{[^/]+/?$}{};
306	return $class->new ("$base/$path");
307	}
308
309	for ($path) {
310	redo if s{/\.?/}{/};
311	redo if s{/[^/]+/\.\./}{/};
312	}
313	}
314
315	$self->{path} = $path;
316
317	$self
318	}
319
320	# the name / primary key / in-game path
321	sub as_string {
322	my ($self) = @_;
323
324	$self->{user_rel} ? "~$self->{user}$self->{path}"
325	: $self->{random} ? "?random/$self->{path}"
326	: $self->{path}
327	}
328
329	# the displayed name, this is a one way mapping
330	sub visible_name {
331	my ($self) = @_;
332
333	# if (my $rmp = $self->{random}) {
334	# # todo: be more intelligent about this
335	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
336	# } else {
337	$self->as_string
338	# }
339	}
340
341	# escape the /'s in the path
342	sub _escaped_path {
343	# ∕ is U+2215
344	(my $path = $_[0]{path}) =~ s/\//∕/g;
345	$path
346	}
347
348	# the original (read-only) location
349	sub load_path {
350	my ($self) = @_;
351
352	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
353	}
354
355	# the temporary/swap location
356	sub save_path {
357	my ($self) = @_;
358
359	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
360	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
361	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
362	}
363
364	# the unique path, might be eq to save_path
365	sub uniq_path {
366	my ($self) = @_;
367
368	$self->{user_rel} || $self->{random}
369	? undef
370	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
371	}
372
373	# return random map parameters, or undef
374	sub random_map_params {
375	my ($self) = @_;
376
377	$self->{random}
378	}
379
380	# this is somewhat ugly, but style maps do need special treatment
381	sub is_style_map {
382	$_[0]{path} =~ m{^/styles/}
383	}
384
385	package cf;
386		390
387	#############################################################################	391	#############################################################################
388		392
389	=head2 ATTACHABLE OBJECTS	393	=head2 ATTACHABLE OBJECTS
390		394
…		…
516	our @CB_TYPE = (); # registry for type (cf-object class) based events	520	our @CB_TYPE = (); # registry for type (cf-object class) based events
517	our @CB_MAP = ();	521	our @CB_MAP = ();
518		522
519	my %attachment;	523	my %attachment;
520		524
		525	sub cf::attachable::thawer_merge {
		526	# simply override everything except _meta
		527	local $_[0]{_meta};
		528	%{$_[0]} = %{$_[1]};
		529	}
		530
521	sub _attach_cb($$$$) {	531	sub _attach_cb($$$$) {
522	my ($registry, $event, $prio, $cb) = @_;	532	my ($registry, $event, $prio, $cb) = @_;
523		533
524	use sort 'stable';	534	use sort 'stable';
525		535
…		…
696	# object support	706	# object support
697		707
698	sub reattach {	708	sub reattach {
699	# basically do the same as instantiate, without calling instantiate	709	# basically do the same as instantiate, without calling instantiate
700	my ($obj) = @_;	710	my ($obj) = @_;
		711
		712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
701		713
702	my $registry = $obj->registry;	714	my $registry = $obj->registry;
703		715
704	@$registry = ();	716	@$registry = ();
705		717
…		…
752	$filename, length $$rdata, scalar @$objs;	764	$filename, length $$rdata, scalar @$objs;
753		765
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	767	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	769	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	770	close $fh;
759		771
760	if (@$objs) {	772	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	774	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	775	my $data = Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	776	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	777	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	778	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	779	aio_rename "$filename.pst~", "$filename.pst";
768	}	780	}
769	} else {	781	} else {
770	aio_unlink "$filename.pst";	782	aio_unlink "$filename.pst";
…		…
798	or return;	810	or return;
799		811
800	unless (aio_stat "$filename.pst") {	812	unless (aio_stat "$filename.pst") {
801	(aio_load "$filename.pst", $av) >= 0	813	(aio_load "$filename.pst", $av) >= 0
802	or return;	814	or return;
803	$av = eval { (Storable::thaw <$av>)->{objs} };	815	$av = eval { (Storable::thaw $av)->{objs} };
804	}	816	}
805		817
		818	warn sprintf "loading %s (%d)\n",
		819	$filename, length $data, scalar @{$av || []};#d#
806	return ($data, $av);	820	return ($data, $av);
807	}	821	}
808		822
809	#############################################################################	823	#############################################################################
810	# command handling &c	824	# command handling &c
…		…
835	=cut	849	=cut
836		850
837	sub register_extcmd {	851	sub register_extcmd {
838	my ($name, $cb) = @_;	852	my ($name, $cb) = @_;
839		853
840	my $caller = caller;
841	#warn "registering extcmd '$name' to '$caller'";
842
843	$EXTCMD{$name} = [$cb, $caller];	854	$EXTCMD{$name} = $cb;
844	}	855	}
845		856
846	cf::player->attach (	857	cf::player->attach (
847	on_command => sub {	858	on_command => sub {
848	my ($pl, $name, $params) = @_;	859	my ($pl, $name, $params) = @_;
…		…
861		872
862	my $msg = eval { from_json $buf };	873	my $msg = eval { from_json $buf };
863		874
864	if (ref $msg) {	875	if (ref $msg) {
865	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
866	if (my %reply = $cb->[0]->($pl, $msg)) {	877	if (my %reply = $cb->($pl, $msg)) {
867	$pl->ext_reply ($msg->{msgid}, %reply);	878	$pl->ext_reply ($msg->{msgid}, %reply);
868	}	879	}
869	}	880	}
870	} else {	881	} else {
871	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
873		884
874	cf::override;	885	cf::override;
875	},	886	},
876	);	887	);
877		888
878	sub register {
879	my ($base, $pkg) = @_;
880
881	#TODO
882	}
883
884	sub load_extension {	889	sub load_extension {
885	my ($path) = @_;	890	my ($path) = @_;
886		891
887	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
888	my $base = $1;	893	my $base = $1;
889	my $pkg = $1;	894	my $pkg = $1;
890	$pkg =~ s/[^[:word:]]/_/g;	895	$pkg =~ s/[^[:word:]]/_/g;
891	$pkg = "ext::$pkg";	896	$pkg = "ext::$pkg";
892		897
893	warn "loading '$path' into '$pkg'\n";	898	warn "... loading '$path' into '$pkg'\n";
894		899
895	open my $fh, "<:utf8", $path	900	open my $fh, "<:utf8", $path
896	or die "$path: $!";	901	or die "$path: $!";
897		902
898	my $source =	903	my $source =
899	"package $pkg; use strict; use utf8;\n"	904	"package $pkg; use strict; use utf8;\n"
900	. "#line 1 \"$path\"\n{\n"	905	. "#line 1 \"$path\"\n{\n"
901	. (do { local $/; <$fh> })	906	. (do { local $/; <$fh> })
902	. "\n};\n1";	907	. "\n};\n1";
903		908
904	eval $source	909	unless (eval $source) {
905	or die $@ ? "$path: $@\n"	910	my $msg = $@ ? "$path: $@\n"
906	: "extension disabled.\n";	911	: "extension disabled.\n";
907		912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
908	push @exts, $pkg;	913	warn $@;
909	$ext_pkg{$base} = $pkg;	914	warn "mandatory extension failed to load, exiting.\n";
910		915	exit 1;
911	# no strict 'refs';	916	}
912	# @{"$pkg\::ISA"} = ext::;	917	die $@;
913
914	register $base, $pkg;
915	}
916
917	sub unload_extension {
918	my ($pkg) = @_;
919
920	warn "removing extension $pkg\n";
921
922	# remove hooks
923	#TODO
924	# for my $idx (0 .. $#PLUGIN_EVENT) {
925	# delete $hook[$idx]{$pkg};
926	# }	918	}
927		919
928	# remove commands	920	push @EXTS, $pkg;
929	for my $name (keys %COMMAND) {
930	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
931
932	if (@cb) {
933	$COMMAND{$name} = \@cb;
934	} else {
935	delete $COMMAND{$name};
936	}
937	}
938
939	# remove extcmds
940	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
941	delete $EXTCMD{$name};
942	}
943
944	if (my $cb = $pkg->can ("unload")) {
945	eval {
946	$cb->($pkg);
947	1
948	} or warn "$pkg unloaded, but with errors: $@";
949	}
950
951	Symbol::delete_package $pkg;
952	}	921	}
953		922
954	sub load_extensions {	923	sub load_extensions {
955	for my $ext (<$LIBDIR/*.ext>) {	924	for my $ext (<$LIBDIR/*.ext>) {
956	next unless -r $ext;	925	next unless -r $ext;
…		…
960	} or warn "$ext not loaded: $@";	929	} or warn "$ext not loaded: $@";
961	}	930	}
962	}	931	}
963		932
964	#############################################################################	933	#############################################################################
965	# load/save/clean perl data associated with a map
966
967	*cf::mapsupport::on_clean = sub {
968	my ($map) = @_;
969
970	my $path = $map->tmpname;
971	defined $path or return;
972
973	unlink "$path.pst";
974	};
975
976	cf::map->attach (prio => -10000, package => cf::mapsupport::);
977
978	#############################################################################
979	# load/save perl data associated with player->ob objects
980
981	sub all_objects(@) {
982	@_, map all_objects ($_->inv), @_
983	}
984
985	# TODO: compatibility cruft, remove when no longer needed
986	cf::player->attach (
987	on_load => sub {
988	my ($pl, $path) = @_;
989
990	for my $o (all_objects $pl->ob) {
991	if (my $value = $o->get_ob_key_value ("_perl_data")) {
992	$o->set_ob_key_value ("_perl_data");
993
994	%$o = %{ Storable::thaw pack "H*", $value };
995	}
996	}
997	},
998	);
999
1000	#############################################################################
1001		934
1002	=head2 CORE EXTENSIONS	935	=head2 CORE EXTENSIONS
1003		936
1004	Functions and methods that extend core crossfire objects.	937	Functions and methods that extend core crossfire objects.
1005		938
		939	=cut
		940
		941	package cf::player;
		942
		943	use Coro::AIO;
		944
1006	=head3 cf::player	945	=head3 cf::player
1007		946
1008	=over 4	947	=over 4
1009		948
1010	=item cf::player::exists $login	949	=item cf::player::find $login
1011		950
1012	Returns true when the given account exists.	951	Returns the given player object, loading it if necessary (might block).
1013		952
1014	=cut	953	=cut
1015		954
1016	sub cf::player::exists($) {	955	sub playerdir($) {
1017	cf::player::find $_[0]	956	cf::localdir
1018	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	957	. "/"
		958	. cf::playerdir
		959	. "/"
		960	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		961	}
		962
		963	sub path($) {
		964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		965
		966	(playerdir $login) . "/$login.pl"
		967	}
		968
		969	sub find_active($) {
		970	$cf::PLAYER{$_[0]}
		971	and $cf::PLAYER{$_[0]}->active
		972	and $cf::PLAYER{$_[0]}
		973	}
		974
		975	sub exists($) {
		976	my ($login) = @_;
		977
		978	$cf::PLAYER{$login}
		979	or cf::sync_job { !aio_stat path $login }
		980	}
		981
		982	sub find($) {
		983	return $cf::PLAYER{$_[0]} || do {
		984	my $login = $_[0];
		985
		986	my $guard = cf::lock_acquire "user_find:$login";
		987
		988	$cf::PLAYER{$_[0]} || do {
		989	my $pl = load_pl path $login
		990	or return;
		991	$cf::PLAYER{$login} = $pl
		992	}
		993	}
		994	}
		995
		996	sub save($) {
		997	my ($pl) = @_;
		998
		999	return if $pl->{deny_save};
		1000
		1001	my $path = path $pl;
		1002	my $guard = cf::lock_acquire "user_save:$path";
		1003
		1004	return if $pl->{deny_save};
		1005
		1006	aio_mkdir playerdir $pl, 0770;
		1007	$pl->{last_save} = $cf::RUNTIME;
		1008
		1009	$pl->save_pl ($path);
		1010	Coro::cede;
		1011	}
		1012
		1013	sub new($) {
		1014	my ($login) = @_;
		1015
		1016	my $self = create;
		1017
		1018	$self->ob->name ($login);
		1019	$self->{deny_save} = 1;
		1020
		1021	$cf::PLAYER{$login} = $self;
		1022
		1023	$self
		1024	}
		1025
		1026	=item $pl->quit_character
		1027
		1028	Nukes the player without looking back. If logged in, the connection will
		1029	be destroyed. May block for a long time.
		1030
		1031	=cut
		1032
		1033	sub quit_character {
		1034	my ($pl) = @_;
		1035
		1036	my $name = $pl->ob->name;
		1037
		1038	$pl->{deny_save} = 1;
		1039	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1040
		1041	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1042	$pl->deactivate;
		1043	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1044	$pl->ns->destroy if $pl->ns;
		1045
		1046	my $path = playerdir $pl;
		1047	my $temp = "$path~$cf::RUNTIME~deleting~";
		1048	aio_rename $path, $temp;
		1049	delete $cf::PLAYER{$pl->ob->name};
		1050	$pl->destroy;
		1051
		1052	my $prefix = qr<^~\Q$name\E/>;
		1053
		1054	# nuke player maps
		1055	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1056
		1057	IO::AIO::aio_rmtree $temp;
		1058	}
		1059
		1060	=item $pl->kick
		1061
		1062	Kicks a player out of the game. This destroys the connection.
		1063
		1064	=cut
		1065
		1066	sub kick {
		1067	my ($pl, $kicker) = @_;
		1068
		1069	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1070	$pl->killer ("kicked");
		1071	$pl->ns->destroy;
		1072	}
		1073
		1074	=item cf::player::list_logins
		1075
		1076	Returns am arrayref of all valid playernames in the system, can take a
		1077	while and may block, so not sync_job-capable, ever.
		1078
		1079	=cut
		1080
		1081	sub list_logins {
		1082	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1083	or return [];
		1084
		1085	my @logins;
		1086
		1087	for my $login (@$dirs) {
		1088	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1089	aio_read $fh, 0, 512, my $buf, 0 or next;
		1090	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1091
		1092	utf8::decode $login;
		1093	push @logins, $login;
		1094	}
		1095
		1096	\@logins
		1097	}
		1098
		1099	=item $player->maps
		1100
		1101	Returns an arrayref of map paths that are private for this
		1102	player. May block.
		1103
		1104	=cut
		1105
		1106	sub maps($) {
		1107	my ($pl) = @_;
		1108
		1109	$pl = ref $pl ? $pl->ob->name : $pl;
		1110
		1111	my $files = aio_readdir playerdir $pl
		1112	or return;
		1113
		1114	my @paths;
		1115
		1116	for (@$files) {
		1117	utf8::decode $_;
		1118	next if /\.(?:pl|pst)$/;
		1119	next unless /^$PATH_SEP/o;
		1120
		1121	push @paths, cf::map::normalise "~$pl/$_";
		1122	}
		1123
		1124	\@paths
1019	}	1125	}
1020		1126
1021	=item $player->ext_reply ($msgid, $msgtype, %msg)	1127	=item $player->ext_reply ($msgid, $msgtype, %msg)
1022		1128
1023	Sends an ext reply to the player.	1129	Sends an ext reply to the player.
1024		1130
1025	=cut	1131	=cut
1026		1132
1027	sub cf::player::ext_reply($$$%) {	1133	sub ext_reply($$$%) {
1028	my ($self, $id, %msg) = @_;	1134	my ($self, $id, %msg) = @_;
1029		1135
1030	$msg{msgid} = $id;	1136	$msg{msgid} = $id;
1031		1137
1032	$self->send ("ext " . to_json \%msg);	1138	$self->send ("ext " . cf::to_json \%msg);
1033	}	1139	}
		1140
		1141	package cf;
1034		1142
1035	=back	1143	=back
1036		1144
1037		1145
1038	=head3 cf::map	1146	=head3 cf::map
…		…
1044	package cf::map;	1152	package cf::map;
1045		1153
1046	use Fcntl;	1154	use Fcntl;
1047	use Coro::AIO;	1155	use Coro::AIO;
1048		1156
		1157	use overload
		1158	'""' => \&as_string,
		1159	fallback => 1;
		1160
1049	our $MAX_RESET = 7200;	1161	our $MAX_RESET = 3600;
1050	our $DEFAULT_RESET = 3600;	1162	our $DEFAULT_RESET = 3000;
1051	$MAX_RESET = 10;#d#
1052	$DEFAULT_RESET = 10;#d#
1053		1163
1054	sub generate_random_map {	1164	sub generate_random_map {
1055	my ($path, $rmp) = @_;	1165	my ($self, $rmp) = @_;
1056
1057	# mit "rum" bekleckern, nicht	1166	# mit "rum" bekleckern, nicht
1058	cf::map::_create_random_map	1167	$self->_create_random_map (
1059	$path,
1060	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1168	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1061	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1169	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1062	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1170	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1063	$rmp->{exit_on_final_map},	1171	$rmp->{exit_on_final_map},
1064	$rmp->{xsize}, $rmp->{ysize},	1172	$rmp->{xsize}, $rmp->{ysize},
1065	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1173	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1066	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1174	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1067	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1175	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1068	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1176	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1069	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1177	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1070	(cf::region::find $rmp->{region})	1178	(cf::region::find $rmp->{region}), $rmp->{custom}
		1179	)
		1180	}
		1181
		1182	=item cf::map->register ($regex, $prio)
		1183
		1184	Register a handler for the map path matching the given regex at the
		1185	givne priority (higher is better, built-in handlers have priority 0, the
		1186	default).
		1187
		1188	=cut
		1189
		1190	sub register {
		1191	my (undef, $regex, $prio) = @_;
		1192	my $pkg = caller;
		1193
		1194	no strict;
		1195	push @{"$pkg\::ISA"}, __PACKAGE__;
		1196
		1197	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1198	}
		1199
		1200	# also paths starting with '/'
		1201	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1202
		1203	sub thawer_merge {
		1204	my ($self, $merge) = @_;
		1205
		1206	# we have to keep some variables in memory intact
		1207	local $self->{path};
		1208	local $self->{load_path};
		1209	local $self->{deny_save};
		1210	local $self->{deny_reset};
		1211
		1212	$self->SUPER::thawer_merge ($merge);
		1213	}
		1214
		1215	sub normalise {
		1216	my ($path, $base) = @_;
		1217
		1218	$path = "$path"; # make sure its a string
		1219
		1220	$path =~ s/\.map$//;
		1221
		1222	# map plan:
		1223	#
		1224	# /! non-realised random map exit (special hack!)
		1225	# {... are special paths that are not being touched
		1226	# ?xxx/... are special absolute paths
		1227	# ?random/... random maps
		1228	# /... normal maps
		1229	# ~user/... per-player map of a specific user
		1230
		1231	$path =~ s/$PATH_SEP/\//go;
		1232
		1233	# treat it as relative path if it starts with
		1234	# something that looks reasonable
		1235	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1236	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1237
		1238	$base =~ s{[^/]+/?$}{};
		1239	$path = "$base/$path";
		1240	}
		1241
		1242	for ($path) {
		1243	redo if s{//}{/};
		1244	redo if s{/\.?/}{/};
		1245	redo if s{/[^/]+/\.\./}{/};
		1246	}
		1247
		1248	$path
		1249	}
		1250
		1251	sub new_from_path {
		1252	my (undef, $path, $base) = @_;
		1253
		1254	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1255
		1256	$path = normalise $path, $base;
		1257
		1258	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1259	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1260	my $self = bless cf::map::new, $pkg;
		1261	$self->{path} = $path; $self->path ($path);
		1262	$self->init; # pass $1 etc.
		1263	return $self;
		1264	}
		1265	}
		1266
		1267	Carp::carp "unable to resolve path '$path' (base '$base').";
		1268	()
		1269	}
		1270
		1271	sub init {
		1272	my ($self) = @_;
		1273
		1274	$self
		1275	}
		1276
		1277	sub as_string {
		1278	my ($self) = @_;
		1279
		1280	"$self->{path}"
		1281	}
		1282
		1283	# the displayed name, this is a one way mapping
		1284	sub visible_name {
		1285	&as_string
		1286	}
		1287
		1288	# the original (read-only) location
		1289	sub load_path {
		1290	my ($self) = @_;
		1291
		1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1293	}
		1294
		1295	# the temporary/swap location
		1296	sub save_path {
		1297	my ($self) = @_;
		1298
		1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1301	}
		1302
		1303	# the unique path, undef == no special unique path
		1304	sub uniq_path {
		1305	my ($self) = @_;
		1306
		1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1071	}	1309	}
1072		1310
1073	# and all this just because we cannot iterate over	1311	# and all this just because we cannot iterate over
1074	# all maps in C++...	1312	# all maps in C++...
1075	sub change_all_map_light {	1313	sub change_all_map_light {
1076	my ($change) = @_;	1314	my ($change) = @_;
1077		1315
1078	$_->change_map_light ($change) for values %cf::MAP;	1316	$_->change_map_light ($change)
		1317	for grep $_->outdoor, values %cf::MAP;
1079	}	1318	}
1080		1319
		1320	sub unlink_save {
		1321	my ($self) = @_;
		1322
		1323	utf8::encode (my $save = $self->save_path);
		1324	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1325	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1326	}
		1327
1081	sub try_load_header($) {	1328	sub load_header_from($) {
1082	my ($path) = @_;	1329	my ($self, $path) = @_;
1083		1330
1084	utf8::encode $path;	1331	utf8::encode $path;
1085	aio_open $path, O_RDONLY, 0	1332	#aio_open $path, O_RDONLY, 0
		1333	# or return;
		1334
		1335	$self->_load_header ($path)
1086	or return;	1336	or return;
1087		1337
1088	my $map = cf::map::new	1338	$self->{load_path} = $path;
		1339
		1340	1
		1341	}
		1342
		1343	sub load_header_orig {
		1344	my ($self) = @_;
		1345
		1346	$self->load_header_from ($self->load_path)
		1347	}
		1348
		1349	sub load_header_temp {
		1350	my ($self) = @_;
		1351
		1352	$self->load_header_from ($self->save_path)
		1353	}
		1354
		1355	sub prepare_temp {
		1356	my ($self) = @_;
		1357
		1358	$self->last_access ((delete $self->{last_access})
		1359	|| $cf::RUNTIME); #d#
		1360	# safety
		1361	$self->{instantiate_time} = $cf::RUNTIME
		1362	if $self->{instantiate_time} > $cf::RUNTIME;
		1363	}
		1364
		1365	sub prepare_orig {
		1366	my ($self) = @_;
		1367
		1368	$self->{load_original} = 1;
		1369	$self->{instantiate_time} = $cf::RUNTIME;
		1370	$self->last_access ($cf::RUNTIME);
		1371	$self->instantiate;
		1372	}
		1373
		1374	sub load_header {
		1375	my ($self) = @_;
		1376
		1377	if ($self->load_header_temp) {
		1378	$self->prepare_temp;
		1379	} else {
		1380	$self->load_header_orig
1089	or return;	1381	or return;
		1382	$self->prepare_orig;
		1383	}
1090		1384
1091	$map->load_header ($path)	1385	1
1092	or return;
1093
1094	$map->{load_path} = $path;
1095	use Data::Dumper; warn Dumper $map;#d#
1096
1097	$map
1098	}	1386	}
1099		1387
		1388	sub find;
1100	sub find_map {	1389	sub find {
1101	my ($path, $origin) = @_;	1390	my ($path, $origin) = @_;
1102		1391
1103	#warn "find_map<$path,$origin>\n";#d#	1392	$path = normalise $path, $origin && $origin->path;
1104		1393
1105	$path = ref $path ? $path : new cf::path $path, $origin && $origin->path;	1394	cf::lock_wait "map_find:$path";
1106	my $key = $path->as_string;
1107		1395
1108	$cf::MAP{$key} || do {	1396	$cf::MAP{$path} || do {
1109	# do it the slow way	1397	my $guard = cf::lock_acquire "map_find:$path";
1110	my $map = try_load_header $path->save_path;	1398	my $map = new_from_path cf::map $path
1111
1112	if ($map) {
1113	# safety
1114	$map->{instantiate_time} = $cf::RUNTIME
1115	if $map->{instantiate_time} > $cf::RUNTIME;
1116	} else {
1117	if (my $rmp = $path->random_map_params) {
1118	$map = generate_random_map $key, $rmp;
1119	} else {
1120	$map = try_load_header $path->load_path;
1121	}
1122
1123	$map or return;	1399	or return;
1124		1400
1125	$map->{load_original} = 1;
1126	$map->{instantiate_time} = $cf::RUNTIME;
1127	$map->instantiate;
1128
1129	# per-player maps become, after loading, normal maps
1130	$map->per_player (0) if $path->{user_rel};
1131	}
1132
1133	$map->path ($key);
1134	$map->{path} = $path;
1135	$map->last_access ($cf::RUNTIME);	1401	$map->{last_save} = $cf::RUNTIME;
1136		1402
1137	$map->reset if $map->should_reset;	1403	$map->load_header
		1404	or return;
1138		1405
		1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1407	# doing this can freeze the server in a sync job, obviously
		1408	#$cf::WAIT_FOR_TICK->wait;
		1409	$map->reset;
		1410	undef $guard;
		1411	return find $path;
		1412	}
		1413
1139	$cf::MAP{$key} = $map	1414	$cf::MAP{$path} = $map
1140	}	1415	}
1141	}	1416	}
		1417
		1418	sub pre_load { }
		1419	sub post_load { }
1142		1420
1143	sub load {	1421	sub load {
1144	my ($self) = @_;	1422	my ($self) = @_;
1145		1423
		1424	local $self->{deny_reset} = 1; # loading can take a long time
		1425
		1426	my $path = $self->{path};
		1427	my $guard = cf::lock_acquire "map_load:$path";
		1428
1146	return if $self->in_memory != cf::MAP_SWAPPED;	1429	return if $self->in_memory != cf::MAP_SWAPPED;
1147		1430
1148	$self->in_memory (cf::MAP_LOADING);	1431	$self->in_memory (cf::MAP_LOADING);
1149		1432
1150	my $path = $self->{path};
1151
1152	$self->alloc;	1433	$self->alloc;
		1434
		1435	$self->pre_load;
		1436
1153	$self->load_objects ($self->{load_path}, 1)	1437	$self->_load_objects ($self->{load_path}, 1)
1154	or return;	1438	or return;
1155		1439
1156	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) if delete $self->{load_original};	1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1441	if delete $self->{load_original};
1157		1442
1158	if (my $uniq = $path->uniq_path) {	1443	if (my $uniq = $self->uniq_path) {
1159	utf8::encode $uniq;	1444	utf8::encode $uniq;
1160	if (aio_open $uniq, O_RDONLY, 0) {	1445	if (aio_open $uniq, O_RDONLY, 0) {
1161	$self->clear_unique_items;	1446	$self->clear_unique_items;
1162	$self->load_objects ($uniq, 0);	1447	$self->_load_objects ($uniq, 0);
1163	}	1448	}
1164	}	1449	}
		1450
		1451	Coro::cede;
1165		1452
1166	# now do the right thing for maps	1453	# now do the right thing for maps
1167	$self->link_multipart_objects;	1454	$self->link_multipart_objects;
1168		1455
1169	if ($self->{path}->is_style_map) {	1456	unless ($self->{deny_activate}) {
1170	$self->{deny_save} = 1;	1457	$self->decay_objects;
1171	$self->{deny_reset} = 1;
1172	} else {
1173	$self->fix_auto_apply;	1458	$self->fix_auto_apply;
1174	$self->decay_objects;
1175	$self->update_buttons;	1459	$self->update_buttons;
		1460	Coro::cede;
1176	$self->set_darkness_map;	1461	$self->set_darkness_map;
1177	$self->difficulty ($self->estimate_difficulty)	1462	$self->difficulty ($self->estimate_difficulty)
1178	unless $self->difficulty;	1463	unless $self->difficulty;
		1464	Coro::cede;
1179	$self->activate;	1465	$self->activate;
1180	}	1466	}
1181		1467
		1468	$self->post_load;
		1469
1182	$self->in_memory (cf::MAP_IN_MEMORY);	1470	$self->in_memory (cf::MAP_IN_MEMORY);
1183	}	1471	}
1184		1472
1185	sub load_map_sync {	1473	sub customise_for {
		1474	my ($self, $ob) = @_;
		1475
		1476	return find "~" . $ob->name . "/" . $self->{path}
		1477	if $self->per_player;
		1478
		1479	$self
		1480	}
		1481
		1482	# find and load all maps in the 3x3 area around a map
		1483	sub load_diag {
		1484	my ($map) = @_;
		1485
		1486	my @diag; # diagonal neighbours
		1487
		1488	for (0 .. 3) {
		1489	my $neigh = $map->tile_path ($_)
		1490	or next;
		1491	$neigh = find $neigh, $map
		1492	or next;
		1493	$neigh->load;
		1494
		1495	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1496	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1497	}
		1498
		1499	for (@diag) {
		1500	my $neigh = find @$_
		1501	or next;
		1502	$neigh->load;
		1503	}
		1504	}
		1505
		1506	sub find_sync {
1186	my ($path, $origin) = @_;	1507	my ($path, $origin) = @_;
1187		1508
1188	#warn "load_map_sync<$path, $origin>\n";#d#	1509	cf::sync_job { find $path, $origin }
		1510	}
1189		1511
1190	cf::sync_job {	1512	sub do_load_sync {
1191	my $map = cf::map::find_map $path, $origin	1513	my ($map) = @_;
1192	or return;	1514
		1515	cf::sync_job { $map->load };
		1516	}
		1517
		1518	our %MAP_PREFETCH;
		1519	our $MAP_PREFETCHER = undef;
		1520
		1521	sub find_async {
		1522	my ($path, $origin) = @_;
		1523
		1524	$path = normalise $path, $origin && $origin->{path};
		1525
		1526	if (my $map = $cf::MAP{$path}) {
		1527	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1528	}
		1529
		1530	undef $MAP_PREFETCH{$path};
		1531	$MAP_PREFETCHER ||= cf::async {
		1532	while (%MAP_PREFETCH) {
		1533	for my $path (keys %MAP_PREFETCH) {
		1534	my $map = find $path
		1535	or next;
1193	$map->load;	1536	$map->load;
1194	$map	1537
		1538	delete $MAP_PREFETCH{$path};
		1539	}
		1540	}
		1541	undef $MAP_PREFETCHER;
1195	}	1542	};
		1543	$MAP_PREFETCHER->prio (6);
		1544
		1545	()
1196	}	1546	}
1197		1547
1198	sub save {	1548	sub save {
1199	my ($self) = @_;	1549	my ($self) = @_;
1200		1550
1201	my $save = $self->{path}->save_path; utf8::encode $save;	1551	my $lock = cf::lock_acquire "map_data:" . $self->path;
1202	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1203		1552
1204	$self->{last_save} = $cf::RUNTIME;	1553	$self->{last_save} = $cf::RUNTIME;
1205		1554
1206	return unless $self->dirty;	1555	return unless $self->dirty;
1207		1556
		1557	my $save = $self->save_path; utf8::encode $save;
		1558	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1559
1208	$self->{load_path} = $save;	1560	$self->{load_path} = $save;
1209		1561
1210	return if $self->{deny_save};	1562	return if $self->{deny_save};
1211		1563
1212	warn "saving map ", $self->path;	1564	local $self->{last_access} = $self->last_access;#d#
		1565
		1566	cf::async {
		1567	$_->contr->save for $self->players;
		1568	};
1213		1569
1214	if ($uniq) {	1570	if ($uniq) {
1215	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1571	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1216	$self->save_objects ($uniq, cf::IO_UNIQUES);	1572	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1217	} else {	1573	} else {
1218	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1574	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1219	}	1575	}
1220	}	1576	}
1221		1577
1222	sub swap_out {	1578	sub swap_out {
1223	my ($self) = @_;	1579	my ($self) = @_;
		1580
		1581	# save first because save cedes
		1582	$self->save;
		1583
		1584	my $lock = cf::lock_acquire "map_data:" . $self->path;
1224		1585
1225	return if $self->players;	1586	return if $self->players;
1226	return if $self->in_memory != cf::MAP_IN_MEMORY;	1587	return if $self->in_memory != cf::MAP_IN_MEMORY;
1227	return if $self->{deny_save};	1588	return if $self->{deny_save};
1228		1589
1229	$self->save;
1230	$self->clear;	1590	$self->clear;
1231	$self->in_memory (cf::MAP_SWAPPED);	1591	$self->in_memory (cf::MAP_SWAPPED);
1232	}	1592	}
1233		1593
		1594	sub reset_at {
		1595	my ($self) = @_;
		1596
		1597	# TODO: safety, remove and allow resettable per-player maps
		1598	return 1e99 if $self->isa ("ext::map_per_player");#d#
		1599	return 1e99 if $self->{deny_reset};
		1600
		1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1602	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		1603
		1604	$time + $to
		1605	}
		1606
1234	sub should_reset {	1607	sub should_reset {
1235	my ($map) = @_;
1236
1237	# TODO: safety, remove and allow resettable per-player maps
1238	return if $map->{path}{user_rel};#d#
1239	return if $map->{deny_reset};
1240	#return unless $map->reset_timeout;
1241
1242	my $time = $map->fixed_resettime ? $map->{instantiate_time} : $map->last_access;
1243	my $to = $map->reset_timeout || $DEFAULT_RESET;
1244	$to = $MAX_RESET if $to > $MAX_RESET;
1245
1246	$time + $to < $cf::RUNTIME
1247	}
1248
1249	sub unlink_save {
1250	my ($self) = @_;	1608	my ($self) = @_;
1251		1609
1252	utf8::encode (my $save = $self->{path}->save_path);	1610	$self->reset_at <= $cf::RUNTIME
1253	aioreq_pri 3; IO::AIO::aio_unlink $save;
1254	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1255	}	1611	}
1256		1612
1257	sub reset {	1613	sub reset {
1258	my ($self) = @_;	1614	my ($self) = @_;
1259		1615
		1616	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1617
1260	return if $self->players;	1618	return if $self->players;
1261	return if $self->{path}{user_rel};#d#	1619	return if $self->isa ("ext::map_per_player");#d#
1262		1620
1263	warn "resetting map ", $self->path;#d#	1621	warn "resetting map ", $self->path;#d#
1264		1622
		1623	$self->in_memory (cf::MAP_SWAPPED);
		1624
		1625	# need to save uniques path
		1626	unless ($self->{deny_save}) {
		1627	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1628
		1629	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1630	if $uniq;
		1631	}
		1632
1265	delete $cf::MAP{$self->path};	1633	delete $cf::MAP{$self->path};
		1634
		1635	$self->clear;
1266		1636
1267	$_->clear_links_to ($self) for values %cf::MAP;	1637	$_->clear_links_to ($self) for values %cf::MAP;
1268		1638
1269	$self->unlink_save;	1639	$self->unlink_save;
1270	$self->destroy;	1640	$self->destroy;
1271	}	1641	}
1272		1642
1273	sub customise_for {	1643	my $nuke_counter = "aaaa";
1274	my ($map, $ob) = @_;
1275		1644
1276	if ($map->per_player) {	1645	sub nuke {
1277	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1646	my ($self) = @_;
1278	}
1279		1647
1280	$map	1648	delete $cf::MAP{$self->path};
1281	}
1282		1649
1283	sub emergency_save {	1650	$self->unlink_save;
1284	local $cf::FREEZE = 1;
1285		1651
1286	warn "enter emergency map save\n";	1652	bless $self, "cf::map";
		1653	delete $self->{deny_reset};
		1654	$self->{deny_save} = 1;
		1655	$self->reset_timeout (1);
		1656	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1287		1657
1288	cf::sync_job {	1658	$cf::MAP{$self->path} = $self;
1289	warn "begin emergency map save\n";	1659
1290	$_->save for values %cf::MAP;	1660	$self->reset; # polite request, might not happen
		1661	}
		1662
		1663	=item cf::map::unique_maps
		1664
		1665	Returns an arrayref of paths of all shared maps that have
		1666	instantiated unique items. May block.
		1667
		1668	=cut
		1669
		1670	sub unique_maps() {
		1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1672	or return;
		1673
		1674	my @paths;
		1675
		1676	for (@$files) {
		1677	utf8::decode $_;
		1678	next if /\.pst$/;
		1679	next unless /^$PATH_SEP/o;
		1680
		1681	push @paths, cf::map::normalise $_;
1291	};	1682	}
1292		1683
1293	warn "end emergency map save\n";	1684	\@paths
1294	}	1685	}
1295		1686
1296	package cf;	1687	package cf;
1297		1688
1298	=back	1689	=back
1299		1690
		1691	=head3 cf::object
		1692
		1693	=cut
		1694
		1695	package cf::object;
		1696
		1697	=over 4
		1698
		1699	=item $ob->inv_recursive
		1700
		1701	Returns the inventory of the object _and_ their inventories, recursively.
		1702
		1703	=cut
		1704
		1705	sub inv_recursive_;
		1706	sub inv_recursive_ {
		1707	map { $_, inv_recursive_ $_->inv } @_
		1708	}
		1709
		1710	sub inv_recursive {
		1711	inv_recursive_ inv $_[0]
		1712	}
		1713
		1714	package cf;
		1715
		1716	=back
1300		1717
1301	=head3 cf::object::player	1718	=head3 cf::object::player
1302		1719
1303	=over 4	1720	=over 4
1304		1721
…		…
1340	(ref $cf::CFG{"may_$access"}	1757	(ref $cf::CFG{"may_$access"}
1341	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1758	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1342	: $cf::CFG{"may_$access"})	1759	: $cf::CFG{"may_$access"})
1343	}	1760	}
1344		1761
		1762	=item $player_object->enter_link
		1763
		1764	Freezes the player and moves him/her to a special map (C<{link}>).
		1765
		1766	The player should be reasonably safe there for short amounts of time. You
		1767	I<MUST> call C<leave_link> as soon as possible, though.
		1768
		1769	Will never block.
		1770
		1771	=item $player_object->leave_link ($map, $x, $y)
		1772
		1773	Moves the player out of the special C<{link}> map onto the specified
		1774	map. If the map is not valid (or omitted), the player will be moved back
		1775	to the location he/she was before the call to C<enter_link>, or, if that
		1776	fails, to the emergency map position.
		1777
		1778	Might block.
		1779
		1780	=cut
		1781
		1782	sub link_map {
		1783	unless ($LINK_MAP) {
		1784	$LINK_MAP = cf::map::find "{link}"
		1785	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1786	$LINK_MAP->load;
		1787	}
		1788
		1789	$LINK_MAP
		1790	}
		1791
1345	sub cf::object::player::enter_link {	1792	sub cf::object::player::enter_link {
1346	my ($self) = @_;	1793	my ($self) = @_;
1347		1794
1348	return if $self->map == $LINK_MAP;	1795	$self->deactivate_recursive;
1349		1796
		1797	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1798
1350	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1351	if $self->map;	1800	if $self->map;
1352		1801
1353	$self->enter_map ($LINK_MAP, 20, 20);	1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1354	$self->deactivate_recursive;
1355	}	1803	}
1356		1804
1357	sub cf::object::player::leave_link {	1805	sub cf::object::player::leave_link {
1358	my ($self, $map, $x, $y) = @_;	1806	my ($self, $map, $x, $y) = @_;
1359		1807
1360	my $link_pos = delete $self->{_link_pos};	1808	my $link_pos = delete $self->{_link_pos};
1361		1809
1362	unless ($map) {	1810	unless ($map) {
1363	$self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1364
1365	# restore original map position	1811	# restore original map position
1366	($map, $x, $y) = @{ $link_pos || [] };	1812	($map, $x, $y) = @{ $link_pos || [] };
1367	$map = cf::map::find_map $map;	1813	$map = cf::map::find $map;
1368		1814
1369	unless ($map) {	1815	unless ($map) {
1370	($map, $x, $y) = @$EMERGENCY_POSITION;	1816	($map, $x, $y) = @$EMERGENCY_POSITION;
1371	$map = cf::map::find_map $map	1817	$map = cf::map::find $map
1372	or die "FATAL: cannot load emergency map\n";	1818	or die "FATAL: cannot load emergency map\n";
1373	}	1819	}
1374	}	1820	}
1375		1821
1376	($x, $y) = (-1, -1)	1822	($x, $y) = (-1, -1)
…		…
1379	# use -1 or undef as default coordinates, not 0, 0	1825	# use -1 or undef as default coordinates, not 0, 0
1380	($x, $y) = ($map->enter_x, $map->enter_y)	1826	($x, $y) = ($map->enter_x, $map->enter_y)
1381	if $x <=0 && $y <= 0;	1827	if $x <=0 && $y <= 0;
1382		1828
1383	$map->load;	1829	$map->load;
		1830	$map->load_diag;
1384		1831
		1832	return unless $self->contr->active;
1385	$self->activate_recursive;	1833	$self->activate_recursive;
		1834
		1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1386	$self->enter_map ($map, $x, $y);	1836	$self->enter_map ($map, $x, $y);
1387	}	1837	}
1388		1838
		1839	cf::player->attach (
		1840	on_logout => sub {
		1841	my ($pl) = @_;
		1842
		1843	# abort map switching before logout
		1844	if ($pl->ob->{_link_pos}) {
		1845	cf::sync_job {
		1846	$pl->ob->leave_link
		1847	};
		1848	}
		1849	},
		1850	on_login => sub {
		1851	my ($pl) = @_;
		1852
		1853	# try to abort aborted map switching on player login :)
		1854	# should happen only on crashes
		1855	if ($pl->ob->{_link_pos}) {
		1856	$pl->ob->enter_link;
		1857	(async {
		1858	$pl->ob->reply (undef,
		1859	"There was an internal problem at your last logout, "
		1860	. "the server will try to bring you to your intended destination in a second.",
		1861	cf::NDI_RED);
		1862	# we need this sleep as the login has a concurrent enter_exit running
		1863	# and this sleep increases chances of the player not ending up in scorn
		1864	Coro::Timer::sleep 1;
		1865	$pl->ob->leave_link;
		1866	})->prio (2);
		1867	}
		1868	},
		1869	);
		1870
1389	=item $player_object->goto_map ($map, $x, $y)	1871	=item $player_object->goto ($path, $x, $y)
1390		1872
1391	=cut	1873	=cut
1392		1874
1393	sub cf::object::player::goto_map {	1875	sub cf::object::player::goto {
1394	my ($self, $path, $x, $y) = @_;	1876	my ($self, $path, $x, $y) = @_;
1395		1877
1396	$self->enter_link;	1878	$self->enter_link;
1397		1879
1398	(Coro::async {	1880	(async {
1399	$path = new cf::path $path;	1881	my $map = eval {
1400
1401	my $map = cf::map::find_map $path->as_string;	1882	my $map = cf::map::find $path;
1402	$map = $map->customise_for ($self) if $map;	1883	$map = $map->customise_for ($self) if $map;
1403
1404	warn "entering ", $map->path, " at ($x, $y)\n"
1405	if $map;	1884	$map
		1885	} or
		1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1406		1887
1407	$self->leave_link ($map, $x, $y);	1888	$self->leave_link ($map, $x, $y);
1408	})->prio (1);	1889	})->prio (1);
1409	}	1890	}
1410		1891
…		…
1414		1895
1415	sub parse_random_map_params {	1896	sub parse_random_map_params {
1416	my ($spec) = @_;	1897	my ($spec) = @_;
1417		1898
1418	my $rmp = { # defaults	1899	my $rmp = { # defaults
1419	xsize => 10,	1900	xsize => (cf::rndm 15, 40),
1420	ysize => 10,	1901	ysize => (cf::rndm 15, 40),
		1902	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1903	#layout => string,
1421	};	1904	};
1422		1905
1423	for (split /\n/, $spec) {	1906	for (split /\n/, $spec) {
1424	my ($k, $v) = split /\s+/, $_, 2;	1907	my ($k, $v) = split /\s+/, $_, 2;
1425		1908
…		…
1429	$rmp	1912	$rmp
1430	}	1913	}
1431		1914
1432	sub prepare_random_map {	1915	sub prepare_random_map {
1433	my ($exit) = @_;	1916	my ($exit) = @_;
		1917
		1918	my $guard = cf::lock_acquire "exit_prepare:$exit";
1434		1919
1435	# all this does is basically replace the /! path by	1920	# all this does is basically replace the /! path by
1436	# a new random map path (?random/...) with a seed	1921	# a new random map path (?random/...) with a seed
1437	# that depends on the exit object	1922	# that depends on the exit object
1438		1923
1439	my $rmp = parse_random_map_params $exit->msg;	1924	my $rmp = parse_random_map_params $exit->msg;
1440		1925
1441	if ($exit->map) {	1926	if ($exit->map) {
1442	$rmp->{region} = $exit->map->region_name;	1927	$rmp->{region} = $exit->region->name;
1443	$rmp->{origin_map} = $exit->map->path;	1928	$rmp->{origin_map} = $exit->map->path;
1444	$rmp->{origin_x} = $exit->x;	1929	$rmp->{origin_x} = $exit->x;
1445	$rmp->{origin_y} = $exit->y;	1930	$rmp->{origin_y} = $exit->y;
1446	}	1931	}
1447		1932
1448	$rmp->{random_seed} ||= $exit->random_seed;	1933	$rmp->{random_seed} ||= $exit->random_seed;
1449		1934
1450	my $data = cf::to_json $rmp;	1935	my $data = cf::to_json $rmp;
1451	my $md5 = Digest::MD5::md5_hex $data;	1936	my $md5 = Digest::MD5::md5_hex $data;
		1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1452		1938
1453	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1454	aio_write $fh, 0, (length $data), $data, 0;	1940	aio_write $fh, 0, (length $data), $data, 0;
		1941	undef $fh;
		1942	aio_rename "$meta~", $meta;
1455		1943
1456	$exit->slaying ("?random/$md5");	1944	$exit->slaying ("?random/$md5");
1457	$exit->msg (undef);	1945	$exit->msg (undef);
1458	}	1946	}
1459	}	1947	}
…		…
1461	sub cf::object::player::enter_exit {	1949	sub cf::object::player::enter_exit {
1462	my ($self, $exit) = @_;	1950	my ($self, $exit) = @_;
1463		1951
1464	return unless $self->type == cf::PLAYER;	1952	return unless $self->type == cf::PLAYER;
1465		1953
		1954	if ($exit->slaying eq "/!") {
		1955	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1956	cf::sync_job { prepare_random_map $exit };
		1957	}
		1958
		1959	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1960	my $hp = $exit->stats->hp;
		1961	my $sp = $exit->stats->sp;
		1962
1466	$self->enter_link;	1963	$self->enter_link;
1467		1964
1468	(Coro::async {	1965	(async {
		1966	$self->deactivate_recursive; # just to be sure
1469	unless (eval {	1967	unless (eval {
1470		1968	$self->goto ($slaying, $hp, $sp);
1471	prepare_random_map $exit
1472	if $exit->slaying eq "/!";
1473
1474	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1475	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1476		1969
1477	1;	1970	1;
1478	}) {	1971	}) {
1479	$self->message ("Something went wrong deep within the crossfire server. "	1972	$self->message ("Something went wrong deep within the crossfire server. "
1480	. "I'll try to bring you back to the map you were before. "	1973	. "I'll try to bring you back to the map you were before. "
1481	. "Please report this to the dungeon master",	1974	. "Please report this to the dungeon master!",
1482	cf::NDI_UNIQUE | cf::NDI_RED);	1975	cf::NDI_UNIQUE | cf::NDI_RED);
1483		1976
1484	warn "ERROR in enter_exit: $@";	1977	warn "ERROR in enter_exit: $@";
1485	$self->leave_link;	1978	$self->leave_link;
1486	}	1979	}
…		…
1537	on_reply => sub {	2030	on_reply => sub {
1538	my ($ns, $msg) = @_;	2031	my ($ns, $msg) = @_;
1539		2032
1540	# this weird shuffling is so that direct followup queries	2033	# this weird shuffling is so that direct followup queries
1541	# get handled first	2034	# get handled first
1542	my $queue = delete $ns->{query_queue};	2035	my $queue = delete $ns->{query_queue}
		2036	or return; # be conservative, not sure how that can happen, but we saw a crash here
1543		2037
1544	(shift @$queue)->[1]->($msg);	2038	(shift @$queue)->[1]->($msg);
		2039	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1545		2040
1546	push @{ $ns->{query_queue} }, @$queue;	2041	push @{ $ns->{query_queue} }, @$queue;
1547		2042
1548	if (@{ $ns->{query_queue} } == @$queue) {	2043	if (@{ $ns->{query_queue} } == @$queue) {
1549	if (@$queue) {	2044	if (@$queue) {
…		…
1553	}	2048	}
1554	}	2049	}
1555	},	2050	},
1556	);	2051	);
1557		2052
1558	=item $client->coro (\&cb)	2053	=item $client->async (\&cb)
1559		2054
1560	Create a new coroutine, running the specified callback. The coroutine will	2055	Create a new coroutine, running the specified callback. The coroutine will
1561	be automatically cancelled when the client gets destroyed (e.g. on logout,	2056	be automatically cancelled when the client gets destroyed (e.g. on logout,
1562	or loss of connection).	2057	or loss of connection).
1563		2058
1564	=cut	2059	=cut
1565		2060
1566	sub cf::client::coro {	2061	sub cf::client::async {
1567	my ($self, $cb) = @_;	2062	my ($self, $cb) = @_;
1568		2063
1569	my $coro; $coro = async {	2064	my $coro = &Coro::async ($cb);
1570	eval {
1571	$cb->();
1572	};
1573	warn $@ if $@;
1574	};
1575		2065
1576	$coro->on_destroy (sub {	2066	$coro->on_destroy (sub {
1577	delete $self->{_coro}{$coro+0};	2067	delete $self->{_coro}{$coro+0};
1578	});	2068	});
1579		2069
…		…
1715	The parameter C<$family> should best start with the name of the extension	2205	The parameter C<$family> should best start with the name of the extension
1716	using it, it should be unique.	2206	using it, it should be unique.
1717		2207
1718	=over 4	2208	=over 4
1719		2209
1720	=item $hashref = cf::db_get $family
1721
1722	Return a hashref for use by the extension C<$family>, which can be
1723	modified. After modifications, you have to call C<cf::db_dirty> or
1724	C<cf::db_sync>.
1725
1726	=item $value = cf::db_get $family => $key	2210	=item $value = cf::db_get $family => $key
1727		2211
1728	Returns a single value from the database	2212	Returns a single value from the database.
1729
1730	=item cf::db_put $family => $hashref
1731
1732	Stores the given family hashref into the database. Updates are delayed, if
1733	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1734		2213
1735	=item cf::db_put $family => $key => $value	2214	=item cf::db_put $family => $key => $value
1736		2215
1737	Stores the given C<$value> in the family hash. Updates are delayed, if you	2216	Stores the given C<$value> in the family.
1738	want the data to be synced to disk immediately, use C<cf::db_sync>.
1739
1740	=item cf::db_dirty
1741
1742	Marks the database as dirty, to be updated at a later time.
1743
1744	=item cf::db_sync
1745
1746	Immediately write the database to disk I<if it is dirty>.
1747		2217
1748	=cut	2218	=cut
1749		2219
1750	our $DB;	2220	our $DB;
1751		2221
1752	{	2222	sub db_init {
		2223	unless ($DB) {
		2224	$DB = BDB::db_create $DB_ENV;
		2225
		2226	cf::sync_job {
		2227	eval {
		2228	$DB->set_flags (BDB::CHKSUM);
		2229
		2230	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2231	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2232	cf::cleanup "db_open(db): $!" if $!;
		2233	};
		2234	cf::cleanup "db_open(db): $@" if $@;
		2235	};
		2236
1753	my $path = cf::localdir . "/database.pst";	2237	my $path = cf::localdir . "/database.pst";
		2238	if (stat $path) {
		2239	cf::sync_job {
		2240	my $pst = Storable::retrieve $path;
1754		2241
1755	sub db_load() {	2242	cf::db_put (board => data => $pst->{board});
1756	warn "loading database $path\n";#d# remove later	2243	cf::db_put (guildrules => data => $pst->{guildrules});
1757	$DB = stat $path ? Storable::retrieve $path : { };	2244	cf::db_put (rent => balance => $pst->{rent}{balance});
1758	}	2245	BDB::db_env_txn_checkpoint $DB_ENV;
1759		2246
1760	my $pid;	2247	unlink $path;
1761
1762	sub db_save() {
1763	warn "saving database $path\n";#d# remove later
1764	waitpid $pid, 0 if $pid;
1765	if (0 == ($pid = fork)) {
1766	$DB->{_meta}{version} = 1;
1767	Storable::nstore $DB, "$path~";
1768	rename "$path~", $path;
1769	cf::_exit 0 if defined $pid;
1770	}	2248	};
1771	}
1772
1773	my $dirty;
1774
1775	sub db_sync() {
1776	db_save if $dirty;
1777	undef $dirty;
1778	}
1779
1780	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1781	db_sync;
1782	});
1783
1784	sub db_dirty() {
1785	$dirty = 1;
1786	$idle->start;
1787	}
1788
1789	sub db_get($;$) {
1790	@_ >= 2
1791	? $DB->{$_[0]}{$_[1]}
1792	: ($DB->{$_[0]} ||= { })
1793	}
1794
1795	sub db_put($$;$) {
1796	if (@_ >= 3) {
1797	$DB->{$_[0]}{$_[1]} = $_[2];
1798	} else {
1799	$DB->{$_[0]} = $_[1];
1800	}
1801	db_dirty;
1802	}
1803
1804	cf::global->attach (
1805	prio => 10000,
1806	on_cleanup => sub {
1807	db_sync;
1808	},	2249	}
1809	);	2250	}
		2251	}
		2252
		2253	sub db_get($$) {
		2254	my $key = "$_[0]/$_[1]";
		2255
		2256	cf::sync_job {
		2257	BDB::db_get $DB, undef, $key, my $data;
		2258
		2259	$! ? ()
		2260	: Compress::LZF::sthaw $data
		2261	}
		2262	}
		2263
		2264	sub db_put($$$) {
		2265	BDB::dbreq_pri 4;
		2266	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1810	}	2267	}
1811		2268
1812	#############################################################################	2269	#############################################################################
1813	# the server's main()	2270	# the server's init and main functions
		2271
		2272	sub load_faces {
		2273	my $path = sprintf "%s/faces", cf::datadir;
		2274
		2275	warn "loading faces from $path\n";
		2276
		2277	my $faces;
		2278	0 < aio_load $path, $faces
		2279	or die "$path: $!";
		2280
		2281	Coro::cede;
		2282	$faces = Storable::thaw $faces;
		2283	Coro::cede;
		2284
		2285	while (my ($face, $info) = each %$faces) {
		2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2289	Coro::cede;
		2290	}
		2291
		2292	1
		2293	}
		2294
		2295	sub reload_resources {
		2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2297	or die "unable to load regions file\n";#d#
		2298	load_faces
		2299	or die "unable to load faces\n";#d#
		2300	}
		2301
		2302	sub init {
		2303	reload_resources;
		2304	}
1814		2305
1815	sub cfg_load {	2306	sub cfg_load {
1816	open my $fh, "<:utf8", cf::confdir . "/config"	2307	open my $fh, "<:utf8", cf::confdir . "/config"
1817	or return;	2308	or return;
1818		2309
1819	local $/;	2310	local $/;
1820	*CFG = YAML::Syck::Load <$fh>;	2311	*CFG = YAML::Syck::Load <$fh>;
		2312
		2313	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2314
		2315	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2316	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2317
		2318	if (exists $CFG{mlockall}) {
		2319	eval {
		2320	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2321	and die "WARNING: m(un)lockall failed: $!\n";
		2322	};
		2323	warn $@ if $@;
		2324	}
1821	}	2325	}
1822		2326
1823	sub main {	2327	sub main {
1824	# we must not ever block the main coroutine	2328	# we must not ever block the main coroutine
1825	local $Coro::idle = sub {	2329	local $Coro::idle = sub {
1826	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2330	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1827	(Coro::unblock_sub {	2331	(async {
1828	Event::one_event;	2332	Event::one_event;
1829	})->();	2333	})->prio (Coro::PRIO_MAX);
1830	};	2334	};
1831		2335
1832	cfg_load;	2336	cfg_load;
1833	db_load;	2337	db_init;
1834	load_extensions;	2338	load_extensions;
		2339
		2340	$TICK_WATCHER->start;
1835	Event::loop;	2341	Event::loop;
1836	}	2342	}
1837		2343
1838	#############################################################################	2344	#############################################################################
1839	# initialisation	2345	# initialisation and cleanup
		2346
		2347	# install some emergency cleanup handlers
		2348	BEGIN {
		2349	for my $signal (qw(INT HUP TERM)) {
		2350	Event->signal (
		2351	reentrant => 0,
		2352	data => WF_AUTOCANCEL,
		2353	signal => $signal,
		2354	prio => 0,
		2355	cb => sub {
		2356	cf::cleanup "SIG$signal";
		2357	},
		2358	);
		2359	}
		2360	}
		2361
		2362	sub emergency_save() {
		2363	my $freeze_guard = cf::freeze_mainloop;
		2364
		2365	warn "enter emergency perl save\n";
		2366
		2367	cf::sync_job {
		2368	# use a peculiar iteration method to avoid tripping on perl
		2369	# refcount bugs in for. also avoids problems with players
		2370	# and maps saved/destroyed asynchronously.
		2371	warn "begin emergency player save\n";
		2372	for my $login (keys %cf::PLAYER) {
		2373	my $pl = $cf::PLAYER{$login} or next;
		2374	$pl->valid or next;
		2375	$pl->save;
		2376	}
		2377	warn "end emergency player save\n";
		2378
		2379	warn "begin emergency map save\n";
		2380	for my $path (keys %cf::MAP) {
		2381	my $map = $cf::MAP{$path} or next;
		2382	$map->valid or next;
		2383	$map->save;
		2384	}
		2385	warn "end emergency map save\n";
		2386
		2387	warn "begin emergency database checkpoint\n";
		2388	BDB::db_env_txn_checkpoint $DB_ENV;
		2389	warn "end emergency database checkpoint\n";
		2390	};
		2391
		2392	warn "leave emergency perl save\n";
		2393	}
		2394
		2395	sub post_cleanup {
		2396	my ($make_core) = @_;
		2397
		2398	warn Carp::longmess "post_cleanup backtrace"
		2399	if $make_core;
		2400	}
1840		2401
1841	sub reload() {	2402	sub reload() {
1842	# can/must only be called in main	2403	# can/must only be called in main
1843	if ($Coro::current != $Coro::main) {	2404	if ($Coro::current != $Coro::main) {
1844	warn "can only reload from main coroutine\n";	2405	warn "can only reload from main coroutine";
1845	return;	2406	return;
1846	}	2407	}
1847		2408
1848	warn "reloading...";	2409	warn "reloading...";
1849		2410
1850	local $FREEZE = 1;	2411	warn "entering sync_job";
		2412
		2413	cf::sync_job {
		2414	cf::write_runtime; # external watchdog should not bark
1851	cf::emergency_save;	2415	cf::emergency_save;
		2416	cf::write_runtime; # external watchdog should not bark
1852		2417
1853	eval {	2418	warn "syncing database to disk";
		2419	BDB::db_env_txn_checkpoint $DB_ENV;
		2420
1854	# if anything goes wrong in here, we should simply crash as we already saved	2421	# if anything goes wrong in here, we should simply crash as we already saved
1855		2422
1856	# cancel all watchers	2423	warn "cancelling all WF_AUTOCANCEL watchers";
1857	for (Event::all_watchers) {	2424	for (Event::all_watchers) {
1858	$_->cancel if $_->data & WF_AUTOCANCEL;	2425	$_->cancel if $_->data & WF_AUTOCANCEL;
1859	}	2426	}
1860		2427
		2428	warn "flushing outstanding aio requests";
		2429	for (;;) {
		2430	BDB::flush;
		2431	IO::AIO::flush;
		2432	Coro::cede;
		2433	last unless IO::AIO::nreqs || BDB::nreqs;
		2434	warn "iterate...";
		2435	}
		2436
		2437	++$RELOAD;
		2438
1861	# cancel all extension coros	2439	warn "cancelling all extension coros";
1862	$_->cancel for values %EXT_CORO;	2440	$_->cancel for values %EXT_CORO;
1863	%EXT_CORO = ();	2441	%EXT_CORO = ();
1864		2442
1865	# unload all extensions	2443	warn "removing commands";
1866	for (@exts) {	2444	%COMMAND = ();
		2445
		2446	warn "removing ext commands";
		2447	%EXTCMD = ();
		2448
		2449	warn "unloading/nuking all extensions";
		2450	for my $pkg (@EXTS) {
1867	warn "unloading <$_>";	2451	warn "... unloading $pkg";
1868	unload_extension $_;	2452
		2453	if (my $cb = $pkg->can ("unload")) {
		2454	eval {
		2455	$cb->($pkg);
		2456	1
		2457	} or warn "$pkg unloaded, but with errors: $@";
1869	}	2458	}
1870		2459
		2460	warn "... nuking $pkg";
		2461	Symbol::delete_package $pkg;
		2462	}
		2463
1871	# unload all modules loaded from $LIBDIR	2464	warn "unloading all perl modules loaded from $LIBDIR";
1872	while (my ($k, $v) = each %INC) {	2465	while (my ($k, $v) = each %INC) {
1873	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2466	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1874		2467
1875	warn "removing <$k>";	2468	warn "... unloading $k";
1876	delete $INC{$k};	2469	delete $INC{$k};
1877		2470
1878	$k =~ s/\.pm$//;	2471	$k =~ s/\.pm$//;
1879	$k =~ s/\//::/g;	2472	$k =~ s/\//::/g;
1880		2473
…		…
1883	}	2476	}
1884		2477
1885	Symbol::delete_package $k;	2478	Symbol::delete_package $k;
1886	}	2479	}
1887		2480
1888	# sync database to disk
1889	cf::db_sync;
1890	IO::AIO::flush;
1891
1892	# get rid of safe::, as good as possible	2481	warn "getting rid of safe::, as good as possible";
1893	Symbol::delete_package "safe::$_"	2482	Symbol::delete_package "safe::$_"
1894	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2483	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1895		2484
1896	# remove register_script_function callbacks
1897	# TODO
1898
1899	# unload cf.pm "a bit"	2485	warn "unloading cf.pm \"a bit\"";
1900	delete $INC{"cf.pm"};	2486	delete $INC{"cf.pm"};
1901		2487
1902	# don't, removes xs symbols, too,	2488	# don't, removes xs symbols, too,
1903	# and global variables created in xs	2489	# and global variables created in xs
1904	#Symbol::delete_package __PACKAGE__;	2490	#Symbol::delete_package __PACKAGE__;
1905		2491
1906	# reload cf.pm	2492	warn "unload completed, starting to reload now";
		2493
1907	warn "reloading cf.pm";	2494	warn "reloading cf.pm";
1908	require cf;	2495	require cf;
1909	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2496	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1910		2497
1911	# load config and database again	2498	warn "loading config and database again";
1912	cf::cfg_load;	2499	cf::cfg_load;
1913	cf::db_load;
1914		2500
1915	# load extensions
1916	warn "load extensions";	2501	warn "loading extensions";
1917	cf::load_extensions;	2502	cf::load_extensions;
1918		2503
1919	# reattach attachments to objects	2504	warn "reattaching attachments to objects/players";
1920	warn "reattach";	2505	_global_reattach; # objects, sockets
1921	_global_reattach;	2506	warn "reattaching attachments to maps";
1922	};	2507	reattach $_ for values %MAP;
		2508	warn "reattaching attachments to players";
		2509	reattach $_ for values %PLAYER;
1923		2510
1924	if ($@) {	2511	warn "loading reloadable resources";
		2512	reload_resources;
		2513
		2514	warn "leaving sync_job";
		2515
		2516	1
		2517	} or do {
1925	warn $@;	2518	warn $@;
1926	warn "error while reloading, exiting.";	2519	warn "error while reloading, exiting.";
1927	exit 1;	2520	exit 1;
1928	}	2521	};
1929		2522
1930	warn "reloaded successfully";	2523	warn "reloaded";
1931	};	2524	};
1932		2525
1933	#############################################################################	2526	our $RELOAD_WATCHER; # used only during reload
1934
1935	unless ($LINK_MAP) {
1936	$LINK_MAP = cf::map::new;
1937
1938	$LINK_MAP->width (41);
1939	$LINK_MAP->height (41);
1940	$LINK_MAP->alloc;
1941	$LINK_MAP->path ("{link}");
1942	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1943	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1944
1945	# dirty hack because... archetypes are not yet loaded
1946	Event->timer (
1947	after => 2,
1948	cb => sub {
1949	$_[0]->w->cancel;
1950
1951	# provide some exits "home"
1952	my $exit = cf::object::new "exit";
1953
1954	$exit->slaying ($EMERGENCY_POSITION->[0]);
1955	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
1956	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
1957
1958	$LINK_MAP->insert ($exit->clone, 19, 19);
1959	$LINK_MAP->insert ($exit->clone, 19, 20);
1960	$LINK_MAP->insert ($exit->clone, 19, 21);
1961	$LINK_MAP->insert ($exit->clone, 20, 19);
1962	$LINK_MAP->insert ($exit->clone, 20, 21);
1963	$LINK_MAP->insert ($exit->clone, 21, 19);
1964	$LINK_MAP->insert ($exit->clone, 21, 20);
1965	$LINK_MAP->insert ($exit->clone, 21, 21);
1966
1967	$exit->destroy;
1968	});
1969
1970	$LINK_MAP->{deny_save} = 1;
1971	$LINK_MAP->{deny_reset} = 1;
1972
1973	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1974	}
1975
1976	register "<global>", __PACKAGE__;
1977		2527
1978	register_command "reload" => sub {	2528	register_command "reload" => sub {
1979	my ($who, $arg) = @_;	2529	my ($who, $arg) = @_;
1980		2530
1981	if ($who->flag (FLAG_WIZ)) {	2531	if ($who->flag (FLAG_WIZ)) {
1982	$who->message ("start of reload.");	2532	$who->message ("reloading server.");
		2533
		2534	# doing reload synchronously and two reloads happen back-to-back,
		2535	# coro crashes during coro_state_free->destroy here.
		2536
		2537	$RELOAD_WATCHER ||= Event->timer (
		2538	reentrant => 0,
		2539	after => 0,
		2540	data => WF_AUTOCANCEL,
		2541	cb => sub {
1983	reload;	2542	reload;
1984	$who->message ("end of reload.");	2543	undef $RELOAD_WATCHER;
		2544	},
		2545	);
1985	}	2546	}
1986	};	2547	};
1987		2548
1988	unshift @INC, $LIBDIR;	2549	unshift @INC, $LIBDIR;
		2550
		2551	my $bug_warning = 0;
1989		2552
1990	$TICK_WATCHER = Event->timer (	2553	$TICK_WATCHER = Event->timer (
1991	reentrant => 0,	2554	reentrant => 0,
		2555	parked => 1,
1992	prio => 0,	2556	prio => 0,
1993	at => $NEXT_TICK || $TICK,	2557	at => $NEXT_TICK || $TICK,
1994	data => WF_AUTOCANCEL,	2558	data => WF_AUTOCANCEL,
1995	cb => sub {	2559	cb => sub {
1996	unless ($FREEZE) {	2560	if ($Coro::current != $Coro::main) {
		2561	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2562	unless ++$bug_warning > 10;
		2563	return;
		2564	}
		2565
		2566	$NOW = Event::time;
		2567
1997	cf::server_tick; # one server iteration	2568	cf::server_tick; # one server iteration
1998	$RUNTIME += $TICK;	2569	$RUNTIME += $TICK;
1999	}
2000
2001	$NEXT_TICK += $TICK;	2570	$NEXT_TICK += $TICK;
		2571
		2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2573	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2574	Coro::async_pool {
		2575	write_runtime
		2576	or warn "ERROR: unable to write runtime file: $!";
		2577	};
		2578	}
		2579
		2580	$WAIT_FOR_TICK->broadcast;
		2581	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2582
		2583	# my $AFTER = Event::time;
		2584	# warn $AFTER - $NOW;#d#
2002		2585
2003	# if we are delayed by four ticks or more, skip them all	2586	# if we are delayed by four ticks or more, skip them all
2004	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2005		2588
2006	$TICK_WATCHER->at ($NEXT_TICK);	2589	$TICK_WATCHER->at ($NEXT_TICK);
2007	$TICK_WATCHER->start;	2590	$TICK_WATCHER->start;
2008	},	2591	},
2009	);	2592	);
2010		2593
		2594	{
2011	IO::AIO::max_poll_time $TICK * 0.2;	2595	BDB::max_poll_time $TICK * 0.1;
2012		2596	$BDB_POLL_WATCHER = Event->io (
2013	Event->io (	2597	reentrant => 0,
2014	fd => IO::AIO::poll_fileno,	2598	fd => BDB::poll_fileno,
2015	poll => 'r',	2599	poll => 'r',
2016	prio => 5,	2600	prio => 0,
2017	data => WF_AUTOCANCEL,
2018	cb => \&IO::AIO::poll_cb,
2019	);
2020
2021	Event->timer (
2022	data => WF_AUTOCANCEL,	2601	data => WF_AUTOCANCEL,
2023	after => 0,	2602	cb => \&BDB::poll_cb,
2024	interval => 10,	2603	);
2025	cb => sub {	2604	BDB::min_parallel 8;
2026	(Coro::unblock_sub {	2605
2027	write_runtime	2606	BDB::set_sync_prepare {
2028	or warn "ERROR: unable to write runtime file: $!";	2607	my $status;
		2608	my $current = $Coro::current;
		2609	(
		2610	sub {
		2611	$status = $!;
		2612	$current->ready; undef $current;
		2613	},
		2614	sub {
		2615	Coro::schedule while defined $current;
		2616	$! = $status;
		2617	},
		2618	)
		2619	};
		2620
		2621	unless ($DB_ENV) {
		2622	$DB_ENV = BDB::db_env_create;
		2623
		2624	cf::sync_job {
		2625	eval {
		2626	BDB::db_env_open
		2627	$DB_ENV,
		2628	$BDB_ENV_DIR,
		2629	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2631	0666;
		2632
		2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2634
		2635	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2636	$DB_ENV->set_lk_detect;
		2637	};
		2638
		2639	cf::cleanup "db_env_open(db): $@" if $@;
2029	})->();	2640	};
2030	},	2641	}
2031	);	2642	}
		2643
		2644	{
		2645	IO::AIO::min_parallel 8;
		2646
		2647	undef $Coro::AIO::WATCHER;
		2648	IO::AIO::max_poll_time $TICK * 0.1;
		2649	$AIO_POLL_WATCHER = Event->io (
		2650	reentrant => 0,
		2651	data => WF_AUTOCANCEL,
		2652	fd => IO::AIO::poll_fileno,
		2653	poll => 'r',
		2654	prio => 6,
		2655	cb => \&IO::AIO::poll_cb,
		2656	);
		2657	}
		2658
		2659	END { cf::emergency_save }
2032		2660
2033	1	2661	1
2034		2662

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines