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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.113 by root, Mon Jan 1 15:32:40 2007 UTC vs.
Revision 1.225 by root, Wed Mar 14 00:04:58 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Storable;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
12		13
13	use Coro 3.3;	14	use Coro 3.52 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
19		21
		22	use BDB ();
		23	use Data::Dumper;
20	use Digest::MD5;	24	use Digest::MD5;
21	use Fcntl;	25	use Fcntl;
22	use IO::AIO 2.31 ();	26	use IO::AIO 2.32 ();
23	use YAML::Syck ();	27	use YAML::Syck ();
24	use Time::HiRes;	28	use Time::HiRes;
		29	use Compress::LZF;
25		30
		31	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		32	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	33	$Event::Eval = 1; # no idea why this is required, but it is
		34
		35	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
27		36
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	37	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	38	$YAML::Syck::ImplicitUnicode = 1;
30		39
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	40	$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		41
35	our %COMMAND = ();	42	our %COMMAND = ();
36	our %COMMAND_TIME = ();	43	our %COMMAND_TIME = ();
		44
		45	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	46	our %EXTCMD = ();
		47	our %EXT_CORO = (); # coroutines bound to extensions
		48	our %EXT_MAP = (); # pluggable maps
38		49
		50	our $RELOAD; # number of reloads so far
39	our @EVENT;	51	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	52	our $LIBDIR = datadir . "/ext";
41		53
42	our $TICK = MAX_TIME * 1e-6;	54	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	55	our $TICK_WATCHER;
		56	our $AIO_POLL_WATCHER;
		57	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	58	our $NEXT_TICK;
45	our $NOW;	59	our $NOW;
		60	our $USE_FSYNC = 1; # use fsync to write maps - default off
		61
		62	our $BDB_POLL_WATCHER;
		63	our $DB_ENV;
46		64
47	our %CFG;	65	our %CFG;
48		66
49	our $UPTIME; $UPTIME ||= time;	67	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	68	our $RUNTIME;
51		69
		70	our %PLAYER; # all users
52	our %MAP; # all maps	71	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	72	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	73	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	74	our $BDB_ENV_DIR = cf::localdir . "/db";
		75
		76	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		77	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		78
		79	# used to convert map paths into valid unix filenames by replacing / by ∕
		80	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		81
58	binmode STDOUT;	82	binmode STDOUT;
59	binmode STDERR;	83	binmode STDERR;
60		84
61	# read virtual server time, if available	85	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	92	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	93	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	94	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	95	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	96	mkdir $RANDOM_MAPS;
		97	mkdir $BDB_ENV_DIR;
73		98
74	# a special map that is always available	99	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		100
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	101	sub cf::map::normalise;
78		102
79	#############################################################################	103	#############################################################################
80		104
81	=head2 GLOBAL VARIABLES	105	=head2 GLOBAL VARIABLES
82		106
…		…
106		130
107	=item %cf::CFG	131	=item %cf::CFG
108		132
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	133	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	134	from wherever your confdir points to.
		135
		136	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		137
		138	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		139	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		140	processing has been done. Call C<< ->wait >> on them to maximise the
		141	window of cpu time available, or simply to synchronise to the server tick.
111		142
112	=back	143	=back
113		144
114	=cut	145	=cut
115		146
…		…
119	utf8::encode $msg;	150	utf8::encode $msg;
120		151
121	$msg .= "\n"	152	$msg .= "\n"
122	unless $msg =~ /\n$/;	153	unless $msg =~ /\n$/;
123		154
124	LOG llevError, "cfperl: $msg";	155	LOG llevError, $msg;
125	};	156	};
126	}	157	}
127		158
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	159	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	160	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		178
148	$Event::DIED = sub {	179	$Event::DIED = sub {
149	warn "error in event callback: @_";	180	warn "error in event callback: @_";
150	};	181	};
151		182
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	183	=head2 UTILITY FUNCTIONS
157		184
158	=over 4	185	=over 4
159		186
		187	=item dumpval $ref
		188
160	=cut	189	=cut
		190
		191	sub dumpval {
		192	eval {
		193	local $SIG{__DIE__};
		194	my $d;
		195	if (1) {
		196	$d = new Data::Dumper([$_[0]], ["*var"]);
		197	$d->Terse(1);
		198	$d->Indent(2);
		199	$d->Quotekeys(0);
		200	$d->Useqq(1);
		201	#$d->Bless(...);
		202	$d->Seen($_[1]) if @_ > 1;
		203	$d = $d->Dump();
		204	}
		205	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		206	$d
		207	} || "[unable to dump $_[0]: '$@']";
		208	}
161		209
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	210	use JSON::Syck (); # TODO# replace by JSON::PC once working
163		211
164	=item $ref = cf::from_json $json	212	=item $ref = cf::from_json $json
165		213
…		…
180		228
181	sub to_json($) {	229	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	230	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	231	JSON::Syck::Dump $_[0]
184	}	232	}
		233
		234	=item cf::lock_wait $string
		235
		236	Wait until the given lock is available. See cf::lock_acquire.
		237
		238	=item my $lock = cf::lock_acquire $string
		239
		240	Wait until the given lock is available and then acquires it and returns
		241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		242	for example when the coroutine gets canceled), the lock is automatically
		243	returned.
		244
		245	Lock names should begin with a unique identifier (for example, cf::map::find
		246	uses map_find and cf::map::load uses map_load).
		247
		248	=cut
		249
		250	our %LOCK;
		251
		252	sub lock_wait($) {
		253	my ($key) = @_;
		254
		255	# wait for lock, if any
		256	while ($LOCK{$key}) {
		257	push @{ $LOCK{$key} }, $Coro::current;
		258	Coro::schedule;
		259	}
		260	}
		261
		262	sub lock_acquire($) {
		263	my ($key) = @_;
		264
		265	# wait, to be sure we are not locked
		266	lock_wait $key;
		267
		268	$LOCK{$key} = [];
		269
		270	Coro::guard {
		271	# wake up all waiters, to be on the safe side
		272	$_->ready for @{ delete $LOCK{$key} };
		273	}
		274	}
		275
		276	sub freeze_mainloop {
		277	return unless $TICK_WATCHER->is_active;
		278
		279	my $guard = Coro::guard {
		280	$TICK_WATCHER->start;
		281	};
		282	$TICK_WATCHER->stop;
		283	$guard
		284	}
		285
		286	=item cf::async { BLOCK }
		287
		288	Currently the same as Coro::async_pool, meaning you cannot use
		289	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		290	thing you are allowed to do is call C<prio> on it.
		291
		292	=cut
		293
		294	BEGIN { *async = \&Coro::async_pool }
185		295
186	=item cf::sync_job { BLOCK }	296	=item cf::sync_job { BLOCK }
187		297
188	The design of crossfire+ requires that the main coro ($Coro::main) is	298	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	299	always able to handle events or runnable, as crossfire+ is only partly
…		…
203	# this is the main coro, too bad, we have to block	313	# this is the main coro, too bad, we have to block
204	# till the operation succeeds, freezing the server :/	314	# till the operation succeeds, freezing the server :/
205		315
206	# TODO: use suspend/resume instead	316	# TODO: use suspend/resume instead
207	# (but this is cancel-safe)	317	# (but this is cancel-safe)
208	local $FREEZE = 1;	318	my $freeze_guard = freeze_mainloop;
209		319
210	my $busy = 1;	320	my $busy = 1;
211	my @res;	321	my @res;
212		322
213	(Coro::async {	323	(async {
214	@res = eval { $job->() };	324	@res = eval { $job->() };
215	warn $@ if $@;	325	warn $@ if $@;
216	undef $busy;	326	undef $busy;
217	})->prio (Coro::PRIO_MAX);	327	})->prio (Coro::PRIO_MAX);
218		328
219	while ($busy) {	329	while ($busy) {
220	Coro::cede_notself;	330	Coro::cede or Event::one_event;
221	Event::one_event unless Coro::nready;
222	}	331	}
223		332
224	wantarray ? @res : $res[0]	333	wantarray ? @res : $res[0]
225	} else {	334	} else {
226	# we are in another coroutine, how wonderful, everything just works	335	# we are in another coroutine, how wonderful, everything just works
227		336
228	$job->()	337	$job->()
229	}	338	}
230	}	339	}
231		340
232	=item $coro = cf::coro { BLOCK }	341	=item $coro = cf::async_ext { BLOCK }
233		342
234	Creates and returns a new coro. This coro is automcatially being canceled	343	Like async, but this coro is automatically being canceled when the
235	when the extension calling this is being unloaded.	344	extension calling this is being unloaded.
236		345
237	=cut	346	=cut
238		347
239	sub coro(&) {	348	sub async_ext(&) {
240	my $cb = shift;	349	my $cb = shift;
241		350
242	my $coro; $coro = async {	351	my $coro = &Coro::async ($cb);
243	eval {
244	$cb->();
245	};
246	warn $@ if $@;
247	};
248		352
249	$coro->on_destroy (sub {	353	$coro->on_destroy (sub {
250	delete $EXT_CORO{$coro+0};	354	delete $EXT_CORO{$coro+0};
251	});	355	});
252	$EXT_CORO{$coro+0} = $coro;	356	$EXT_CORO{$coro+0} = $coro;
253		357
254	$coro	358	$coro
255	}	359	}
256		360
257	sub write_runtime {	361	sub write_runtime {
		362	my $guard = cf::lock_acquire "write_runtime";
		363
258	my $runtime = cf::localdir . "/runtime";	364	my $runtime = cf::localdir . "/runtime";
259		365
260	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	366	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
261	or return;	367	or return;
262		368
		369	my $value = $cf::RUNTIME + 90 + 10;
263	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	370	# 10 is the runtime save interval, for a monotonic clock
		371	# 60 allows for the watchdog to kill the server.
		372
264	(aio_write $fh, 0, (length $value), $value, 0) <= 0	373	(aio_write $fh, 0, (length $value), $value, 0) <= 0
265	and return;	374	and return;
266		375
		376	# always fsync - this file is important
267	aio_fsync $fh	377	aio_fsync $fh
268	and return;	378	and return;
269		379
270	close $fh	380	close $fh
271	or return;	381	or return;
…		…
277	}	387	}
278		388
279	=back	389	=back
280		390
281	=cut	391	=cut
282
283	#############################################################################
284
285	package cf::path;
286
287	sub new {
288	my ($class, $path, $base) = @_;
289
290	$path = $path->as_string if ref $path;
291
292	my $self = bless { }, $class;
293
294	if ($path =~ s{^\?random/}{}) {
295	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
296	$self->{random} = cf::from_json $data;
297	} else {
298	if ($path =~ s{^~([^/]+)?}{}) {
299	$self->{user_rel} = 1;
300
301	if (defined $1) {
302	$self->{user} = $1;
303	} elsif ($base =~ m{^~([^/]+)/}) {
304	$self->{user} = $1;
305	} else {
306	warn "cannot resolve user-relative path without user <$path,$base>\n";
307	}
308	} elsif ($path =~ /^\//) {
309	# already absolute
310	} else {
311	$base =~ s{[^/]+/?$}{};
312	return $class->new ("$base/$path");
313	}
314
315	for ($path) {
316	redo if s{/\.?/}{/};
317	redo if s{/[^/]+/\.\./}{/};
318	}
319	}
320
321	$self->{path} = $path;
322
323	$self
324	}
325
326	# the name / primary key / in-game path
327	sub as_string {
328	my ($self) = @_;
329
330	$self->{user_rel} ? "~$self->{user}$self->{path}"
331	: $self->{random} ? "?random/$self->{path}"
332	: $self->{path}
333	}
334
335	# the displayed name, this is a one way mapping
336	sub visible_name {
337	my ($self) = @_;
338
339	# if (my $rmp = $self->{random}) {
340	# # todo: be more intelligent about this
341	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
342	# } else {
343	$self->as_string
344	# }
345	}
346
347	# escape the /'s in the path
348	sub _escaped_path {
349	# ∕ is U+2215
350	(my $path = $_[0]{path}) =~ s/\//∕/g;
351	$path
352	}
353
354	# the original (read-only) location
355	sub load_path {
356	my ($self) = @_;
357
358	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
359	}
360
361	# the temporary/swap location
362	sub save_path {
363	my ($self) = @_;
364
365	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
366	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
367	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
368	}
369
370	# the unique path, might be eq to save_path
371	sub uniq_path {
372	my ($self) = @_;
373
374	$self->{user_rel} || $self->{random}
375	? undef
376	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
377	}
378
379	# return random map parameters, or undef
380	sub random_map_params {
381	my ($self) = @_;
382
383	$self->{random}
384	}
385
386	# this is somewhat ugly, but style maps do need special treatment
387	sub is_style_map {
388	$_[0]{path} =~ m{^/styles/}
389	}
390
391	package cf;
392		392
393	#############################################################################	393	#############################################################################
394		394
395	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
396		396
…		…
522	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
523	our @CB_MAP = ();	523	our @CB_MAP = ();
524		524
525	my %attachment;	525	my %attachment;
526		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
527	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
528	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
529		535
530	use sort 'stable';	536	use sort 'stable';
531		537
…		…
702	# object support	708	# object support
703		709
704	sub reattach {	710	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
707		715
708	my $registry = $obj->registry;	716	my $registry = $obj->registry;
709		717
710	@$registry = ();	718	@$registry = ();
711		719
…		…
758	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
759		767
760	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
761	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
762	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
763	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	772	close $fh;
765		773
766	if (@$objs) {	774	if (@$objs) {
767	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
768	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
769	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
770	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
771	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	780	close $fh;
773	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
774	}	782	}
775	} else {	783	} else {
776	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
807	(aio_load "$filename.pst", $av) >= 0	815	(aio_load "$filename.pst", $av) >= 0
808	or return;	816	or return;
809	$av = eval { (Storable::thaw $av)->{objs} };	817	$av = eval { (Storable::thaw $av)->{objs} };
810	}	818	}
811		819
		820	warn sprintf "loading %s (%d)\n",
		821	$filename, length $data, scalar @{$av || []};#d#
812	return ($data, $av);	822	return ($data, $av);
813	}	823	}
814		824
815	#############################################################################	825	#############################################################################
816	# command handling &c	826	# command handling &c
…		…
841	=cut	851	=cut
842		852
843	sub register_extcmd {	853	sub register_extcmd {
844	my ($name, $cb) = @_;	854	my ($name, $cb) = @_;
845		855
846	my $caller = caller;
847	#warn "registering extcmd '$name' to '$caller'";
848
849	$EXTCMD{$name} = [$cb, $caller];	856	$EXTCMD{$name} = $cb;
850	}	857	}
851		858
852	cf::player->attach (	859	cf::player->attach (
853	on_command => sub {	860	on_command => sub {
854	my ($pl, $name, $params) = @_;	861	my ($pl, $name, $params) = @_;
…		…
867		874
868	my $msg = eval { from_json $buf };	875	my $msg = eval { from_json $buf };
869		876
870	if (ref $msg) {	877	if (ref $msg) {
871	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
872	if (my %reply = $cb->[0]->($pl, $msg)) {	879	if (my %reply = $cb->($pl, $msg)) {
873	$pl->ext_reply ($msg->{msgid}, %reply);	880	$pl->ext_reply ($msg->{msgid}, %reply);
874	}	881	}
875	}	882	}
876	} else {	883	} else {
877	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
879		886
880	cf::override;	887	cf::override;
881	},	888	},
882	);	889	);
883		890
884	sub register {
885	my ($base, $pkg) = @_;
886
887	#TODO
888	}
889
890	sub load_extension {	891	sub load_extension {
891	my ($path) = @_;	892	my ($path) = @_;
892		893
893	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
894	my $base = $1;	895	my $base = $1;
895	my $pkg = $1;	896	my $pkg = $1;
896	$pkg =~ s/[^[:word:]]/_/g;	897	$pkg =~ s/[^[:word:]]/_/g;
897	$pkg = "ext::$pkg";	898	$pkg = "ext::$pkg";
898		899
899	warn "loading '$path' into '$pkg'\n";	900	warn "... loading '$path' into '$pkg'\n";
900		901
901	open my $fh, "<:utf8", $path	902	open my $fh, "<:utf8", $path
902	or die "$path: $!";	903	or die "$path: $!";
903		904
904	my $source =	905	my $source =
905	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
906	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
907	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
908	. "\n};\n1";	909	. "\n};\n1";
909		910
910	eval $source	911	unless (eval $source) {
911	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
912	: "extension disabled.\n";	913	: "extension disabled.\n";
913		914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
914	push @exts, $pkg;	915	warn $@;
915	$ext_pkg{$base} = $pkg;	916	warn "mandatory extension failed to load, exiting.\n";
916		917	exit 1;
917	# no strict 'refs';	918	}
918	# @{"$pkg\::ISA"} = ext::;	919	die $@;
919
920	register $base, $pkg;
921	}
922
923	sub unload_extension {
924	my ($pkg) = @_;
925
926	warn "removing extension $pkg\n";
927
928	# remove hooks
929	#TODO
930	# for my $idx (0 .. $#PLUGIN_EVENT) {
931	# delete $hook[$idx]{$pkg};
932	# }	920	}
933		921
934	# remove commands	922	push @EXTS, $pkg;
935	for my $name (keys %COMMAND) {
936	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
937
938	if (@cb) {
939	$COMMAND{$name} = \@cb;
940	} else {
941	delete $COMMAND{$name};
942	}
943	}
944
945	# remove extcmds
946	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
947	delete $EXTCMD{$name};
948	}
949
950	if (my $cb = $pkg->can ("unload")) {
951	eval {
952	$cb->($pkg);
953	1
954	} or warn "$pkg unloaded, but with errors: $@";
955	}
956
957	Symbol::delete_package $pkg;
958	}	923	}
959		924
960	sub load_extensions {	925	sub load_extensions {
961	for my $ext (<$LIBDIR/*.ext>) {	926	for my $ext (<$LIBDIR/*.ext>) {
962	next unless -r $ext;	927	next unless -r $ext;
…		…
966	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
967	}	932	}
968	}	933	}
969		934
970	#############################################################################	935	#############################################################################
971	# load/save/clean perl data associated with a map
972
973	*cf::mapsupport::on_clean = sub {
974	my ($map) = @_;
975
976	my $path = $map->tmpname;
977	defined $path or return;
978
979	unlink "$path.pst";
980	};
981
982	cf::map->attach (prio => -10000, package => cf::mapsupport::);
983
984	#############################################################################
985	# load/save perl data associated with player->ob objects
986
987	sub all_objects(@) {
988	@_, map all_objects ($_->inv), @_
989	}
990
991	# TODO: compatibility cruft, remove when no longer needed
992	cf::player->attach (
993	on_load => sub {
994	my ($pl, $path) = @_;
995
996	for my $o (all_objects $pl->ob) {
997	if (my $value = $o->get_ob_key_value ("_perl_data")) {
998	$o->set_ob_key_value ("_perl_data");
999
1000	%$o = %{ Storable::thaw pack "H*", $value };
1001	}
1002	}
1003	},
1004	);
1005
1006	#############################################################################
1007		936
1008	=head2 CORE EXTENSIONS	937	=head2 CORE EXTENSIONS
1009		938
1010	Functions and methods that extend core crossfire objects.	939	Functions and methods that extend core crossfire objects.
1011		940
		941	=cut
		942
		943	package cf::player;
		944
		945	use Coro::AIO;
		946
1012	=head3 cf::player	947	=head3 cf::player
1013		948
1014	=over 4	949	=over 4
1015		950
1016	=item cf::player::exists $login	951	=item cf::player::find $login
1017		952
1018	Returns true when the given account exists.	953	Returns the given player object, loading it if necessary (might block).
1019		954
1020	=cut	955	=cut
1021		956
1022	sub cf::player::exists($) {	957	sub playerdir($) {
1023	cf::player::find $_[0]	958	cf::localdir
1024	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	959	. "/"
		960	. cf::playerdir
		961	. "/"
		962	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		963	}
		964
		965	sub path($) {
		966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		967
		968	(playerdir $login) . "/$login.pl"
		969	}
		970
		971	sub find_active($) {
		972	$cf::PLAYER{$_[0]}
		973	and $cf::PLAYER{$_[0]}->active
		974	and $cf::PLAYER{$_[0]}
		975	}
		976
		977	sub exists($) {
		978	my ($login) = @_;
		979
		980	$cf::PLAYER{$login}
		981	or cf::sync_job { !aio_stat path $login }
		982	}
		983
		984	sub find($) {
		985	return $cf::PLAYER{$_[0]} || do {
		986	my $login = $_[0];
		987
		988	my $guard = cf::lock_acquire "user_find:$login";
		989
		990	$cf::PLAYER{$_[0]} || do {
		991	my $pl = load_pl path $login
		992	or return;
		993	$cf::PLAYER{$login} = $pl
		994	}
		995	}
		996	}
		997
		998	sub save($) {
		999	my ($pl) = @_;
		1000
		1001	return if $pl->{deny_save};
		1002
		1003	my $path = path $pl;
		1004	my $guard = cf::lock_acquire "user_save:$path";
		1005
		1006	return if $pl->{deny_save};
		1007
		1008	aio_mkdir playerdir $pl, 0770;
		1009	$pl->{last_save} = $cf::RUNTIME;
		1010
		1011	$pl->save_pl ($path);
		1012	Coro::cede;
		1013	}
		1014
		1015	sub new($) {
		1016	my ($login) = @_;
		1017
		1018	my $self = create;
		1019
		1020	$self->ob->name ($login);
		1021	$self->{deny_save} = 1;
		1022
		1023	$cf::PLAYER{$login} = $self;
		1024
		1025	$self
		1026	}
		1027
		1028	=item $pl->quit_character
		1029
		1030	Nukes the player without looking back. If logged in, the connection will
		1031	be destroyed. May block for a long time.
		1032
		1033	=cut
		1034
		1035	sub quit_character {
		1036	my ($pl) = @_;
		1037
		1038	my $name = $pl->ob->name;
		1039
		1040	$pl->{deny_save} = 1;
		1041	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1042
		1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1044	$pl->deactivate;
		1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1046	$pl->ns->destroy if $pl->ns;
		1047
		1048	my $path = playerdir $pl;
		1049	my $temp = "$path~$cf::RUNTIME~deleting~";
		1050	aio_rename $path, $temp;
		1051	delete $cf::PLAYER{$pl->ob->name};
		1052	$pl->destroy;
		1053
		1054	my $prefix = qr<^~\Q$name\E/>;
		1055
		1056	# nuke player maps
		1057	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1058
		1059	IO::AIO::aio_rmtree $temp;
		1060	}
		1061
		1062	=item $pl->kick
		1063
		1064	Kicks a player out of the game. This destroys the connection.
		1065
		1066	=cut
		1067
		1068	sub kick {
		1069	my ($pl, $kicker) = @_;
		1070
		1071	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1072	$pl->killer ("kicked");
		1073	$pl->ns->destroy;
		1074	}
		1075
		1076	=item cf::player::list_logins
		1077
		1078	Returns am arrayref of all valid playernames in the system, can take a
		1079	while and may block, so not sync_job-capable, ever.
		1080
		1081	=cut
		1082
		1083	sub list_logins {
		1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1085	or return [];
		1086
		1087	my @logins;
		1088
		1089	for my $login (@$dirs) {
		1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1091	aio_read $fh, 0, 512, my $buf, 0 or next;
		1092	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1093
		1094	utf8::decode $login;
		1095	push @logins, $login;
		1096	}
		1097
		1098	\@logins
		1099	}
		1100
		1101	=item $player->maps
		1102
		1103	Returns an arrayref of map paths that are private for this
		1104	player. May block.
		1105
		1106	=cut
		1107
		1108	sub maps($) {
		1109	my ($pl) = @_;
		1110
		1111	$pl = ref $pl ? $pl->ob->name : $pl;
		1112
		1113	my $files = aio_readdir playerdir $pl
		1114	or return;
		1115
		1116	my @paths;
		1117
		1118	for (@$files) {
		1119	utf8::decode $_;
		1120	next if /\.(?:pl|pst)$/;
		1121	next unless /^$PATH_SEP/o;
		1122
		1123	push @paths, cf::map::normalise "~$pl/$_";
		1124	}
		1125
		1126	\@paths
1025	}	1127	}
1026		1128
1027	=item $player->ext_reply ($msgid, $msgtype, %msg)	1129	=item $player->ext_reply ($msgid, $msgtype, %msg)
1028		1130
1029	Sends an ext reply to the player.	1131	Sends an ext reply to the player.
1030		1132
1031	=cut	1133	=cut
1032		1134
1033	sub cf::player::ext_reply($$$%) {	1135	sub ext_reply($$$%) {
1034	my ($self, $id, %msg) = @_;	1136	my ($self, $id, %msg) = @_;
1035		1137
1036	$msg{msgid} = $id;	1138	$msg{msgid} = $id;
1037		1139
1038	$self->send ("ext " . to_json \%msg);	1140	$self->send ("ext " . cf::to_json \%msg);
1039	}	1141	}
		1142
		1143	package cf;
1040		1144
1041	=back	1145	=back
1042		1146
1043		1147
1044	=head3 cf::map	1148	=head3 cf::map
…		…
1050	package cf::map;	1154	package cf::map;
1051		1155
1052	use Fcntl;	1156	use Fcntl;
1053	use Coro::AIO;	1157	use Coro::AIO;
1054		1158
		1159	use overload
		1160	'""' => \&as_string,
		1161	fallback => 1;
		1162
1055	our $MAX_RESET = 7200;	1163	our $MAX_RESET = 3600;
1056	our $DEFAULT_RESET = 3600;	1164	our $DEFAULT_RESET = 3000;
1057		1165
1058	sub generate_random_map {	1166	sub generate_random_map {
1059	my ($path, $rmp) = @_;	1167	my ($self, $rmp) = @_;
1060
1061	# mit "rum" bekleckern, nicht	1168	# mit "rum" bekleckern, nicht
1062	cf::map::_create_random_map	1169	$self->_create_random_map (
1063	$path,
1064	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1170	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1065	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1171	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1066	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1172	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1067	$rmp->{exit_on_final_map},	1173	$rmp->{exit_on_final_map},
1068	$rmp->{xsize}, $rmp->{ysize},	1174	$rmp->{xsize}, $rmp->{ysize},
1069	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1175	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1070	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1176	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1071	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1177	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1072	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1178	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1073	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1179	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1074	(cf::region::find $rmp->{region})	1180	(cf::region::find $rmp->{region}), $rmp->{custom}
		1181	)
		1182	}
		1183
		1184	=item cf::map->register ($regex, $prio)
		1185
		1186	Register a handler for the map path matching the given regex at the
		1187	givne priority (higher is better, built-in handlers have priority 0, the
		1188	default).
		1189
		1190	=cut
		1191
		1192	sub register {
		1193	my (undef, $regex, $prio) = @_;
		1194	my $pkg = caller;
		1195
		1196	no strict;
		1197	push @{"$pkg\::ISA"}, __PACKAGE__;
		1198
		1199	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1200	}
		1201
		1202	# also paths starting with '/'
		1203	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1204
		1205	sub thawer_merge {
		1206	my ($self, $merge) = @_;
		1207
		1208	# we have to keep some variables in memory intact
		1209	local $self->{path};
		1210	local $self->{load_path};
		1211	local $self->{deny_save};
		1212	local $self->{deny_reset};
		1213
		1214	$self->SUPER::thawer_merge ($merge);
		1215	}
		1216
		1217	sub normalise {
		1218	my ($path, $base) = @_;
		1219
		1220	$path = "$path"; # make sure its a string
		1221
		1222	$path =~ s/\.map$//;
		1223
		1224	# map plan:
		1225	#
		1226	# /! non-realised random map exit (special hack!)
		1227	# {... are special paths that are not being touched
		1228	# ?xxx/... are special absolute paths
		1229	# ?random/... random maps
		1230	# /... normal maps
		1231	# ~user/... per-player map of a specific user
		1232
		1233	$path =~ s/$PATH_SEP/\//go;
		1234
		1235	# treat it as relative path if it starts with
		1236	# something that looks reasonable
		1237	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1238	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1239
		1240	$base =~ s{[^/]+/?$}{};
		1241	$path = "$base/$path";
		1242	}
		1243
		1244	for ($path) {
		1245	redo if s{//}{/};
		1246	redo if s{/\.?/}{/};
		1247	redo if s{/[^/]+/\.\./}{/};
		1248	}
		1249
		1250	$path
		1251	}
		1252
		1253	sub new_from_path {
		1254	my (undef, $path, $base) = @_;
		1255
		1256	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1257
		1258	$path = normalise $path, $base;
		1259
		1260	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1261	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1262	my $self = bless cf::map::new, $pkg;
		1263	$self->{path} = $path; $self->path ($path);
		1264	$self->init; # pass $1 etc.
		1265	return $self;
		1266	}
		1267	}
		1268
		1269	Carp::carp "unable to resolve path '$path' (base '$base').";
		1270	()
		1271	}
		1272
		1273	sub init {
		1274	my ($self) = @_;
		1275
		1276	$self
		1277	}
		1278
		1279	sub as_string {
		1280	my ($self) = @_;
		1281
		1282	"$self->{path}"
		1283	}
		1284
		1285	# the displayed name, this is a one way mapping
		1286	sub visible_name {
		1287	&as_string
		1288	}
		1289
		1290	# the original (read-only) location
		1291	sub load_path {
		1292	my ($self) = @_;
		1293
		1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1295	}
		1296
		1297	# the temporary/swap location
		1298	sub save_path {
		1299	my ($self) = @_;
		1300
		1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1303	}
		1304
		1305	# the unique path, undef == no special unique path
		1306	sub uniq_path {
		1307	my ($self) = @_;
		1308
		1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1075	}	1311	}
1076		1312
1077	# and all this just because we cannot iterate over	1313	# and all this just because we cannot iterate over
1078	# all maps in C++...	1314	# all maps in C++...
1079	sub change_all_map_light {	1315	sub change_all_map_light {
1080	my ($change) = @_;	1316	my ($change) = @_;
1081		1317
1082	$_->change_map_light ($change) for values %cf::MAP;	1318	$_->change_map_light ($change)
		1319	for grep $_->outdoor, values %cf::MAP;
1083	}	1320	}
1084		1321
		1322	sub unlink_save {
		1323	my ($self) = @_;
		1324
		1325	utf8::encode (my $save = $self->save_path);
		1326	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1327	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1328	}
		1329
1085	sub try_load_header($) {	1330	sub load_header_from($) {
1086	my ($path) = @_;	1331	my ($self, $path) = @_;
1087		1332
1088	utf8::encode $path;	1333	utf8::encode $path;
1089	aio_open $path, O_RDONLY, 0	1334	#aio_open $path, O_RDONLY, 0
		1335	# or return;
		1336
		1337	$self->_load_header ($path)
1090	or return;	1338	or return;
1091		1339
1092	my $map = cf::map::new	1340	$self->{load_path} = $path;
		1341
		1342	1
		1343	}
		1344
		1345	sub load_header_orig {
		1346	my ($self) = @_;
		1347
		1348	$self->load_header_from ($self->load_path)
		1349	}
		1350
		1351	sub load_header_temp {
		1352	my ($self) = @_;
		1353
		1354	$self->load_header_from ($self->save_path)
		1355	}
		1356
		1357	sub prepare_temp {
		1358	my ($self) = @_;
		1359
		1360	$self->last_access ((delete $self->{last_access})
		1361	|| $cf::RUNTIME); #d#
		1362	# safety
		1363	$self->{instantiate_time} = $cf::RUNTIME
		1364	if $self->{instantiate_time} > $cf::RUNTIME;
		1365	}
		1366
		1367	sub prepare_orig {
		1368	my ($self) = @_;
		1369
		1370	$self->{load_original} = 1;
		1371	$self->{instantiate_time} = $cf::RUNTIME;
		1372	$self->last_access ($cf::RUNTIME);
		1373	$self->instantiate;
		1374	}
		1375
		1376	sub load_header {
		1377	my ($self) = @_;
		1378
		1379	if ($self->load_header_temp) {
		1380	$self->prepare_temp;
		1381	} else {
		1382	$self->load_header_orig
1093	or return;	1383	or return;
		1384	$self->prepare_orig;
		1385	}
1094		1386
1095	$map->load_header ($path)	1387	1
1096	or return;
1097
1098	$map->{load_path} = $path;
1099
1100	$map
1101	}	1388	}
1102		1389
		1390	sub find;
1103	sub find_map {	1391	sub find {
1104	my ($path, $origin) = @_;	1392	my ($path, $origin) = @_;
1105		1393
1106	#warn "find_map<$path,$origin>\n";#d#
1107
1108	$path = new cf::path $path, $origin && $origin->path;	1394	$path = normalise $path, $origin && $origin->path;
1109	my $key = $path->as_string;
1110		1395
		1396	cf::lock_wait "map_find:$path";
		1397
1111	$cf::MAP{$key} || do {	1398	$cf::MAP{$path} || do {
1112	# do it the slow way	1399	my $guard = cf::lock_acquire "map_find:$path";
1113	my $map = try_load_header $path->save_path;	1400	my $map = new_from_path cf::map $path
1114
1115	if ($map) {
1116	# safety
1117	$map->{instantiate_time} = $cf::RUNTIME
1118	if $map->{instantiate_time} > $cf::RUNTIME;
1119	} else {
1120	if (my $rmp = $path->random_map_params) {
1121	$map = generate_random_map $key, $rmp;
1122	} else {
1123	$map = try_load_header $path->load_path;
1124	}
1125
1126	$map or return;	1401	or return;
1127		1402
1128	$map->{load_original} = 1;
1129	$map->{instantiate_time} = $cf::RUNTIME;
1130	$map->instantiate;
1131
1132	# per-player maps become, after loading, normal maps
1133	$map->per_player (0) if $path->{user_rel};
1134	}
1135
1136	$map->path ($key);
1137	$map->{path} = $path;
1138	$map->last_access ($cf::RUNTIME);	1403	$map->{last_save} = $cf::RUNTIME;
1139		1404
1140	if ($map->should_reset) {	1405	$map->load_header
		1406	or return;
		1407
		1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1409	# doing this can freeze the server in a sync job, obviously
		1410	#$cf::WAIT_FOR_TICK->wait;
1141	$map->reset;	1411	$map->reset;
1142	$map = find_map $path;	1412	undef $guard;
		1413	return find $path;
1143	}	1414	}
1144		1415
1145	$cf::MAP{$key} = $map	1416	$cf::MAP{$path} = $map
1146	}	1417	}
1147	}	1418	}
		1419
		1420	sub pre_load { }
		1421	sub post_load { }
1148		1422
1149	sub load {	1423	sub load {
1150	my ($self) = @_;	1424	my ($self) = @_;
1151		1425
		1426	local $self->{deny_reset} = 1; # loading can take a long time
		1427
		1428	my $path = $self->{path};
		1429	my $guard = cf::lock_acquire "map_load:$path";
		1430
1152	return if $self->in_memory != cf::MAP_SWAPPED;	1431	return if $self->in_memory != cf::MAP_SWAPPED;
1153		1432
1154	$self->in_memory (cf::MAP_LOADING);	1433	$self->in_memory (cf::MAP_LOADING);
1155		1434
1156	my $path = $self->{path};
1157
1158	$self->alloc;	1435	$self->alloc;
		1436
		1437	$self->pre_load;
		1438
1159	$self->load_objects ($self->{load_path}, 1)	1439	$self->_load_objects ($self->{load_path}, 1)
1160	or return;	1440	or return;
1161		1441
1162	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1163	if delete $self->{load_original};	1443	if delete $self->{load_original};
1164		1444
1165	if (my $uniq = $path->uniq_path) {	1445	if (my $uniq = $self->uniq_path) {
1166	utf8::encode $uniq;	1446	utf8::encode $uniq;
1167	if (aio_open $uniq, O_RDONLY, 0) {	1447	if (aio_open $uniq, O_RDONLY, 0) {
1168	$self->clear_unique_items;	1448	$self->clear_unique_items;
1169	$self->load_objects ($uniq, 0);	1449	$self->_load_objects ($uniq, 0);
1170	}	1450	}
1171	}	1451	}
		1452
		1453	Coro::cede;
1172		1454
1173	# now do the right thing for maps	1455	# now do the right thing for maps
1174	$self->link_multipart_objects;	1456	$self->link_multipart_objects;
1175		1457
1176	if ($self->{path}->is_style_map) {	1458	unless ($self->{deny_activate}) {
1177	$self->{deny_save} = 1;	1459	$self->decay_objects;
1178	$self->{deny_reset} = 1;
1179	} else {
1180	$self->fix_auto_apply;	1460	$self->fix_auto_apply;
1181	$self->decay_objects;
1182	$self->update_buttons;	1461	$self->update_buttons;
		1462	Coro::cede;
1183	$self->set_darkness_map;	1463	$self->set_darkness_map;
1184	$self->difficulty ($self->estimate_difficulty)	1464	$self->difficulty ($self->estimate_difficulty)
1185	unless $self->difficulty;	1465	unless $self->difficulty;
		1466	Coro::cede;
1186	$self->activate;	1467	$self->activate;
1187	}	1468	}
1188		1469
		1470	$self->post_load;
		1471
1189	$self->in_memory (cf::MAP_IN_MEMORY);	1472	$self->in_memory (cf::MAP_IN_MEMORY);
1190	}	1473	}
1191		1474
1192	sub load_map_sync {	1475	sub customise_for {
		1476	my ($self, $ob) = @_;
		1477
		1478	return find "~" . $ob->name . "/" . $self->{path}
		1479	if $self->per_player;
		1480
		1481	$self
		1482	}
		1483
		1484	# find and load all maps in the 3x3 area around a map
		1485	sub load_diag {
		1486	my ($map) = @_;
		1487
		1488	my @diag; # diagonal neighbours
		1489
		1490	for (0 .. 3) {
		1491	my $neigh = $map->tile_path ($_)
		1492	or next;
		1493	$neigh = find $neigh, $map
		1494	or next;
		1495	$neigh->load;
		1496
		1497	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1498	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1499	}
		1500
		1501	for (@diag) {
		1502	my $neigh = find @$_
		1503	or next;
		1504	$neigh->load;
		1505	}
		1506	}
		1507
		1508	sub find_sync {
1193	my ($path, $origin) = @_;	1509	my ($path, $origin) = @_;
1194		1510
1195	#warn "load_map_sync<$path, $origin>\n";#d#	1511	cf::sync_job { find $path, $origin }
		1512	}
1196		1513
1197	cf::sync_job {	1514	sub do_load_sync {
1198	my $map = cf::map::find_map $path, $origin	1515	my ($map) = @_;
1199	or return;	1516
		1517	cf::sync_job { $map->load };
		1518	}
		1519
		1520	our %MAP_PREFETCH;
		1521	our $MAP_PREFETCHER = undef;
		1522
		1523	sub find_async {
		1524	my ($path, $origin) = @_;
		1525
		1526	$path = normalise $path, $origin && $origin->{path};
		1527
		1528	if (my $map = $cf::MAP{$path}) {
		1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1530	}
		1531
		1532	undef $MAP_PREFETCH{$path};
		1533	$MAP_PREFETCHER ||= cf::async {
		1534	while (%MAP_PREFETCH) {
		1535	for my $path (keys %MAP_PREFETCH) {
		1536	my $map = find $path
		1537	or next;
1200	$map->load;	1538	$map->load;
1201	$map	1539
		1540	delete $MAP_PREFETCH{$path};
		1541	}
		1542	}
		1543	undef $MAP_PREFETCHER;
1202	}	1544	};
		1545	$MAP_PREFETCHER->prio (6);
		1546
		1547	()
1203	}	1548	}
1204		1549
1205	sub save {	1550	sub save {
1206	my ($self) = @_;	1551	my ($self) = @_;
1207		1552
1208	my $save = $self->{path}->save_path; utf8::encode $save;	1553	my $lock = cf::lock_acquire "map_data:" . $self->path;
1209	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1210		1554
1211	$self->{last_save} = $cf::RUNTIME;	1555	$self->{last_save} = $cf::RUNTIME;
1212		1556
1213	return unless $self->dirty;	1557	return unless $self->dirty;
1214		1558
		1559	my $save = $self->save_path; utf8::encode $save;
		1560	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1561
1215	$self->{load_path} = $save;	1562	$self->{load_path} = $save;
1216		1563
1217	return if $self->{deny_save};	1564	return if $self->{deny_save};
1218		1565
		1566	local $self->{last_access} = $self->last_access;#d#
		1567
		1568	cf::async {
		1569	$_->contr->save for $self->players;
		1570	};
		1571
1219	if ($uniq) {	1572	if ($uniq) {
1220	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1221	$self->save_objects ($uniq, cf::IO_UNIQUES);	1574	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1222	} else {	1575	} else {
1223	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1576	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1224	}	1577	}
1225	}	1578	}
1226		1579
1227	sub swap_out {	1580	sub swap_out {
1228	my ($self) = @_;	1581	my ($self) = @_;
		1582
		1583	# save first because save cedes
		1584	$self->save;
		1585
		1586	my $lock = cf::lock_acquire "map_data:" . $self->path;
1229		1587
1230	return if $self->players;	1588	return if $self->players;
1231	return if $self->in_memory != cf::MAP_IN_MEMORY;	1589	return if $self->in_memory != cf::MAP_IN_MEMORY;
1232	return if $self->{deny_save};	1590	return if $self->{deny_save};
1233		1591
1234	$self->save;
1235	$self->clear;	1592	$self->clear;
1236	$self->in_memory (cf::MAP_SWAPPED);	1593	$self->in_memory (cf::MAP_SWAPPED);
1237	}	1594	}
1238		1595
1239	sub reset_at {	1596	sub reset_at {
1240	my ($self) = @_;	1597	my ($self) = @_;
1241		1598
1242	# TODO: safety, remove and allow resettable per-player maps	1599	# TODO: safety, remove and allow resettable per-player maps
1243	return 1e100 if $self->{path}{user_rel};	1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1244	return 1e100 if $self->{deny_reset};	1601	return 1e99 if $self->{deny_reset};
1245		1602
1246	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1247	my $to = $self->reset_timeout || $DEFAULT_RESET;	1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1248	$to = $MAX_RESET if $to > $MAX_RESET;
1249		1605
1250	$time + $to	1606	$time + $to
1251	}	1607	}
1252		1608
1253	sub should_reset {	1609	sub should_reset {
1254	my ($self) = @_;	1610	my ($self) = @_;
1255		1611
1256	$self->reset_at <= $cf::RUNTIME	1612	$self->reset_at <= $cf::RUNTIME
1257	}	1613	}
1258		1614
1259	sub unlink_save {
1260	my ($self) = @_;
1261
1262	utf8::encode (my $save = $self->{path}->save_path);
1263	aioreq_pri 3; IO::AIO::aio_unlink $save;
1264	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1265	}
1266
1267	sub rename {
1268	my ($self, $new_path) = @_;
1269
1270	$self->unlink_save;
1271
1272	delete $cf::MAP{$self->path};
1273	$self->{path} = new cf::path $new_path;
1274	$self->path ($self->{path}->path);
1275	$cf::MAP{$self->path} = $self;
1276
1277	$self->save;
1278	}
1279
1280	sub reset {	1615	sub reset {
1281	my ($self) = @_;	1616	my ($self) = @_;
1282		1617
		1618	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1619
1283	return if $self->players;	1620	return if $self->players;
1284	return if $self->{path}{user_rel};#d#	1621	return if $self->isa ("ext::map_per_player");#d#
1285		1622
1286	warn "resetting map ", $self->path;#d#	1623	warn "resetting map ", $self->path;#d#
1287		1624
		1625	$self->in_memory (cf::MAP_SWAPPED);
		1626
		1627	# need to save uniques path
		1628	unless ($self->{deny_save}) {
		1629	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1630
		1631	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1632	if $uniq;
		1633	}
		1634
1288	delete $cf::MAP{$self->path};	1635	delete $cf::MAP{$self->path};
		1636
		1637	$self->clear;
1289		1638
1290	$_->clear_links_to ($self) for values %cf::MAP;	1639	$_->clear_links_to ($self) for values %cf::MAP;
1291		1640
1292	$self->unlink_save;	1641	$self->unlink_save;
1293	$self->destroy;	1642	$self->destroy;
1294	}	1643	}
1295		1644
1296	sub customise_for {	1645	my $nuke_counter = "aaaa";
1297	my ($map, $ob) = @_;
1298		1646
1299	if ($map->per_player) {	1647	sub nuke {
1300	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1648	my ($self) = @_;
1301	}
1302		1649
1303	$map	1650	delete $cf::MAP{$self->path};
1304	}
1305		1651
1306	sub emergency_save {	1652	$self->unlink_save;
1307	local $cf::FREEZE = 1;
1308		1653
1309	warn "enter emergency map save\n";	1654	bless $self, "cf::map";
		1655	delete $self->{deny_reset};
		1656	$self->{deny_save} = 1;
		1657	$self->reset_timeout (1);
		1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1310		1659
1311	cf::sync_job {	1660	$cf::MAP{$self->path} = $self;
1312	warn "begin emergency map save\n";	1661
1313	$_->save for values %cf::MAP;	1662	$self->reset; # polite request, might not happen
		1663	}
		1664
		1665	=item cf::map::unique_maps
		1666
		1667	Returns an arrayref of paths of all shared maps that have
		1668	instantiated unique items. May block.
		1669
		1670	=cut
		1671
		1672	sub unique_maps() {
		1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1674	or return;
		1675
		1676	my @paths;
		1677
		1678	for (@$files) {
		1679	utf8::decode $_;
		1680	next if /\.pst$/;
		1681	next unless /^$PATH_SEP/o;
		1682
		1683	push @paths, cf::map::normalise $_;
1314	};	1684	}
1315		1685
1316	warn "end emergency map save\n";	1686	\@paths
1317	}	1687	}
1318		1688
1319	package cf;	1689	package cf;
1320		1690
1321	=back	1691	=back
1322		1692
		1693	=head3 cf::object
		1694
		1695	=cut
		1696
		1697	package cf::object;
		1698
		1699	=over 4
		1700
		1701	=item $ob->inv_recursive
		1702
		1703	Returns the inventory of the object _and_ their inventories, recursively.
		1704
		1705	=cut
		1706
		1707	sub inv_recursive_;
		1708	sub inv_recursive_ {
		1709	map { $_, inv_recursive_ $_->inv } @_
		1710	}
		1711
		1712	sub inv_recursive {
		1713	inv_recursive_ inv $_[0]
		1714	}
		1715
		1716	package cf;
		1717
		1718	=back
1323		1719
1324	=head3 cf::object::player	1720	=head3 cf::object::player
1325		1721
1326	=over 4	1722	=over 4
1327		1723
…		…
1363	(ref $cf::CFG{"may_$access"}	1759	(ref $cf::CFG{"may_$access"}
1364	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1760	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1365	: $cf::CFG{"may_$access"})	1761	: $cf::CFG{"may_$access"})
1366	}	1762	}
1367		1763
		1764	=item $player_object->enter_link
		1765
		1766	Freezes the player and moves him/her to a special map (C<{link}>).
		1767
		1768	The player should be reasonably safe there for short amounts of time. You
		1769	I<MUST> call C<leave_link> as soon as possible, though.
		1770
		1771	Will never block.
		1772
		1773	=item $player_object->leave_link ($map, $x, $y)
		1774
		1775	Moves the player out of the special C<{link}> map onto the specified
		1776	map. If the map is not valid (or omitted), the player will be moved back
		1777	to the location he/she was before the call to C<enter_link>, or, if that
		1778	fails, to the emergency map position.
		1779
		1780	Might block.
		1781
		1782	=cut
		1783
		1784	sub link_map {
		1785	unless ($LINK_MAP) {
		1786	$LINK_MAP = cf::map::find "{link}"
		1787	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1788	$LINK_MAP->load;
		1789	}
		1790
		1791	$LINK_MAP
		1792	}
		1793
1368	sub cf::object::player::enter_link {	1794	sub cf::object::player::enter_link {
1369	my ($self) = @_;	1795	my ($self) = @_;
1370		1796
1371	return if $self->map == $LINK_MAP;	1797	$self->deactivate_recursive;
1372		1798
		1799	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1800
1373	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1374	if $self->map;	1802	if $self->map;
1375		1803
1376	$self->enter_map ($LINK_MAP, 20, 20);	1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1377	$self->deactivate_recursive;
1378	}	1805	}
1379		1806
1380	sub cf::object::player::leave_link {	1807	sub cf::object::player::leave_link {
1381	my ($self, $map, $x, $y) = @_;	1808	my ($self, $map, $x, $y) = @_;
1382		1809
1383	my $link_pos = delete $self->{_link_pos};	1810	my $link_pos = delete $self->{_link_pos};
1384		1811
1385	unless ($map) {	1812	unless ($map) {
1386	$self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1387
1388	# restore original map position	1813	# restore original map position
1389	($map, $x, $y) = @{ $link_pos || [] };	1814	($map, $x, $y) = @{ $link_pos || [] };
1390	$map = cf::map::find_map $map;	1815	$map = cf::map::find $map;
1391		1816
1392	unless ($map) {	1817	unless ($map) {
1393	($map, $x, $y) = @$EMERGENCY_POSITION;	1818	($map, $x, $y) = @$EMERGENCY_POSITION;
1394	$map = cf::map::find_map $map	1819	$map = cf::map::find $map
1395	or die "FATAL: cannot load emergency map\n";	1820	or die "FATAL: cannot load emergency map\n";
1396	}	1821	}
1397	}	1822	}
1398		1823
1399	($x, $y) = (-1, -1)	1824	($x, $y) = (-1, -1)
…		…
1402	# use -1 or undef as default coordinates, not 0, 0	1827	# use -1 or undef as default coordinates, not 0, 0
1403	($x, $y) = ($map->enter_x, $map->enter_y)	1828	($x, $y) = ($map->enter_x, $map->enter_y)
1404	if $x <=0 && $y <= 0;	1829	if $x <=0 && $y <= 0;
1405		1830
1406	$map->load;	1831	$map->load;
		1832	$map->load_diag;
1407		1833
		1834	return unless $self->contr->active;
1408	$self->activate_recursive;	1835	$self->activate_recursive;
		1836
		1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1409	$self->enter_map ($map, $x, $y);	1838	$self->enter_map ($map, $x, $y);
1410	}	1839	}
1411		1840
		1841	cf::player->attach (
		1842	on_logout => sub {
		1843	my ($pl) = @_;
		1844
		1845	# abort map switching before logout
		1846	if ($pl->ob->{_link_pos}) {
		1847	cf::sync_job {
		1848	$pl->ob->leave_link
		1849	};
		1850	}
		1851	},
		1852	on_login => sub {
		1853	my ($pl) = @_;
		1854
		1855	# try to abort aborted map switching on player login :)
		1856	# should happen only on crashes
		1857	if ($pl->ob->{_link_pos}) {
		1858	$pl->ob->enter_link;
		1859	(async {
		1860	$pl->ob->reply (undef,
		1861	"There was an internal problem at your last logout, "
		1862	. "the server will try to bring you to your intended destination in a second.",
		1863	cf::NDI_RED);
		1864	# we need this sleep as the login has a concurrent enter_exit running
		1865	# and this sleep increases chances of the player not ending up in scorn
		1866	Coro::Timer::sleep 1;
		1867	$pl->ob->leave_link;
		1868	})->prio (2);
		1869	}
		1870	},
		1871	);
		1872
1412	=item $player_object->goto_map ($map, $x, $y)	1873	=item $player_object->goto ($path, $x, $y)
1413		1874
1414	=cut	1875	=cut
1415		1876
1416	sub cf::object::player::goto_map {	1877	sub cf::object::player::goto {
1417	my ($self, $path, $x, $y) = @_;	1878	my ($self, $path, $x, $y) = @_;
1418		1879
1419	$self->enter_link;	1880	$self->enter_link;
1420		1881
1421	(Coro::async {	1882	(async {
1422	$path = new cf::path $path;	1883	my $map = eval {
1423
1424	my $map = cf::map::find_map $path->as_string;	1884	my $map = cf::map::find $path;
1425	$map = $map->customise_for ($self) if $map;	1885	$map = $map->customise_for ($self) if $map;
1426
1427	warn "entering ", $map->path, " at ($x, $y)\n"
1428	if $map;	1886	$map
		1887	} or
		1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1429		1889
1430	$self->leave_link ($map, $x, $y);	1890	$self->leave_link ($map, $x, $y);
1431	})->prio (1);	1891	})->prio (1);
1432	}	1892	}
1433		1893
…		…
1437		1897
1438	sub parse_random_map_params {	1898	sub parse_random_map_params {
1439	my ($spec) = @_;	1899	my ($spec) = @_;
1440		1900
1441	my $rmp = { # defaults	1901	my $rmp = { # defaults
1442	xsize => 10,	1902	xsize => (cf::rndm 15, 40),
1443	ysize => 10,	1903	ysize => (cf::rndm 15, 40),
		1904	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1905	#layout => string,
1444	};	1906	};
1445		1907
1446	for (split /\n/, $spec) {	1908	for (split /\n/, $spec) {
1447	my ($k, $v) = split /\s+/, $_, 2;	1909	my ($k, $v) = split /\s+/, $_, 2;
1448		1910
…		…
1452	$rmp	1914	$rmp
1453	}	1915	}
1454		1916
1455	sub prepare_random_map {	1917	sub prepare_random_map {
1456	my ($exit) = @_;	1918	my ($exit) = @_;
		1919
		1920	my $guard = cf::lock_acquire "exit_prepare:$exit";
1457		1921
1458	# all this does is basically replace the /! path by	1922	# all this does is basically replace the /! path by
1459	# a new random map path (?random/...) with a seed	1923	# a new random map path (?random/...) with a seed
1460	# that depends on the exit object	1924	# that depends on the exit object
1461		1925
1462	my $rmp = parse_random_map_params $exit->msg;	1926	my $rmp = parse_random_map_params $exit->msg;
1463		1927
1464	if ($exit->map) {	1928	if ($exit->map) {
1465	$rmp->{region} = $exit->map->region_name;	1929	$rmp->{region} = $exit->region->name;
1466	$rmp->{origin_map} = $exit->map->path;	1930	$rmp->{origin_map} = $exit->map->path;
1467	$rmp->{origin_x} = $exit->x;	1931	$rmp->{origin_x} = $exit->x;
1468	$rmp->{origin_y} = $exit->y;	1932	$rmp->{origin_y} = $exit->y;
1469	}	1933	}
1470		1934
1471	$rmp->{random_seed} ||= $exit->random_seed;	1935	$rmp->{random_seed} ||= $exit->random_seed;
1472		1936
1473	my $data = cf::to_json $rmp;	1937	my $data = cf::to_json $rmp;
1474	my $md5 = Digest::MD5::md5_hex $data;	1938	my $md5 = Digest::MD5::md5_hex $data;
		1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1475		1940
1476	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1477	aio_write $fh, 0, (length $data), $data, 0;	1942	aio_write $fh, 0, (length $data), $data, 0;
		1943	undef $fh;
		1944	aio_rename "$meta~", $meta;
1478		1945
1479	$exit->slaying ("?random/$md5");	1946	$exit->slaying ("?random/$md5");
1480	$exit->msg (undef);	1947	$exit->msg (undef);
1481	}	1948	}
1482	}	1949	}
…		…
1484	sub cf::object::player::enter_exit {	1951	sub cf::object::player::enter_exit {
1485	my ($self, $exit) = @_;	1952	my ($self, $exit) = @_;
1486		1953
1487	return unless $self->type == cf::PLAYER;	1954	return unless $self->type == cf::PLAYER;
1488		1955
		1956	if ($exit->slaying eq "/!") {
		1957	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1958	cf::sync_job { prepare_random_map $exit };
		1959	}
		1960
		1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1962	my $hp = $exit->stats->hp;
		1963	my $sp = $exit->stats->sp;
		1964
1489	$self->enter_link;	1965	$self->enter_link;
1490		1966
1491	(Coro::async {	1967	(async {
		1968	$self->deactivate_recursive; # just to be sure
1492	unless (eval {	1969	unless (eval {
1493		1970	$self->goto ($slaying, $hp, $sp);
1494	prepare_random_map $exit
1495	if $exit->slaying eq "/!";
1496
1497	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1498	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1499		1971
1500	1;	1972	1;
1501	}) {	1973	}) {
1502	$self->message ("Something went wrong deep within the crossfire server. "	1974	$self->message ("Something went wrong deep within the crossfire server. "
1503	. "I'll try to bring you back to the map you were before. "	1975	. "I'll try to bring you back to the map you were before. "
1504	. "Please report this to the dungeon master",	1976	. "Please report this to the dungeon master!",
1505	cf::NDI_UNIQUE | cf::NDI_RED);	1977	cf::NDI_UNIQUE | cf::NDI_RED);
1506		1978
1507	warn "ERROR in enter_exit: $@";	1979	warn "ERROR in enter_exit: $@";
1508	$self->leave_link;	1980	$self->leave_link;
1509	}	1981	}
…		…
1523		1995
1524	sub cf::client::send_drawinfo {	1996	sub cf::client::send_drawinfo {
1525	my ($self, $text, $flags) = @_;	1997	my ($self, $text, $flags) = @_;
1526		1998
1527	utf8::encode $text;	1999	utf8::encode $text;
1528	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2000	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1529	}	2001	}
1530		2002
1531		2003
1532	=item $success = $client->query ($flags, "text", \&cb)	2004	=item $success = $client->query ($flags, "text", \&cb)
1533		2005
…		…
1560	on_reply => sub {	2032	on_reply => sub {
1561	my ($ns, $msg) = @_;	2033	my ($ns, $msg) = @_;
1562		2034
1563	# this weird shuffling is so that direct followup queries	2035	# this weird shuffling is so that direct followup queries
1564	# get handled first	2036	# get handled first
1565	my $queue = delete $ns->{query_queue};	2037	my $queue = delete $ns->{query_queue}
		2038	or return; # be conservative, not sure how that can happen, but we saw a crash here
1566		2039
1567	(shift @$queue)->[1]->($msg);	2040	(shift @$queue)->[1]->($msg);
		2041	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1568		2042
1569	push @{ $ns->{query_queue} }, @$queue;	2043	push @{ $ns->{query_queue} }, @$queue;
1570		2044
1571	if (@{ $ns->{query_queue} } == @$queue) {	2045	if (@{ $ns->{query_queue} } == @$queue) {
1572	if (@$queue) {	2046	if (@$queue) {
…		…
1576	}	2050	}
1577	}	2051	}
1578	},	2052	},
1579	);	2053	);
1580		2054
1581	=item $client->coro (\&cb)	2055	=item $client->async (\&cb)
1582		2056
1583	Create a new coroutine, running the specified callback. The coroutine will	2057	Create a new coroutine, running the specified callback. The coroutine will
1584	be automatically cancelled when the client gets destroyed (e.g. on logout,	2058	be automatically cancelled when the client gets destroyed (e.g. on logout,
1585	or loss of connection).	2059	or loss of connection).
1586		2060
1587	=cut	2061	=cut
1588		2062
1589	sub cf::client::coro {	2063	sub cf::client::async {
1590	my ($self, $cb) = @_;	2064	my ($self, $cb) = @_;
1591		2065
1592	my $coro; $coro = async {	2066	my $coro = &Coro::async ($cb);
1593	eval {
1594	$cb->();
1595	};
1596	warn $@ if $@;
1597	};
1598		2067
1599	$coro->on_destroy (sub {	2068	$coro->on_destroy (sub {
1600	delete $self->{_coro}{$coro+0};	2069	delete $self->{_coro}{$coro+0};
1601	});	2070	});
1602		2071
…		…
1738	The parameter C<$family> should best start with the name of the extension	2207	The parameter C<$family> should best start with the name of the extension
1739	using it, it should be unique.	2208	using it, it should be unique.
1740		2209
1741	=over 4	2210	=over 4
1742		2211
1743	=item $hashref = cf::db_get $family
1744
1745	Return a hashref for use by the extension C<$family>, which can be
1746	modified. After modifications, you have to call C<cf::db_dirty> or
1747	C<cf::db_sync>.
1748
1749	=item $value = cf::db_get $family => $key	2212	=item $value = cf::db_get $family => $key
1750		2213
1751	Returns a single value from the database	2214	Returns a single value from the database.
1752
1753	=item cf::db_put $family => $hashref
1754
1755	Stores the given family hashref into the database. Updates are delayed, if
1756	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1757		2215
1758	=item cf::db_put $family => $key => $value	2216	=item cf::db_put $family => $key => $value
1759		2217
1760	Stores the given C<$value> in the family hash. Updates are delayed, if you	2218	Stores the given C<$value> in the family.
1761	want the data to be synced to disk immediately, use C<cf::db_sync>.
1762
1763	=item cf::db_dirty
1764
1765	Marks the database as dirty, to be updated at a later time.
1766
1767	=item cf::db_sync
1768
1769	Immediately write the database to disk I<if it is dirty>.
1770		2219
1771	=cut	2220	=cut
1772		2221
1773	our $DB;	2222	our $DB;
1774		2223
1775	{	2224	sub db_init {
		2225	unless ($DB) {
		2226	$DB = BDB::db_create $DB_ENV;
		2227
		2228	cf::sync_job {
		2229	eval {
		2230	$DB->set_flags (BDB::CHKSUM);
		2231
		2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2234	cf::cleanup "db_open(db): $!" if $!;
		2235	};
		2236	cf::cleanup "db_open(db): $@" if $@;
		2237	};
		2238
1776	my $path = cf::localdir . "/database.pst";	2239	my $path = cf::localdir . "/database.pst";
		2240	if (stat $path) {
		2241	cf::sync_job {
		2242	my $pst = Storable::retrieve $path;
1777		2243
1778	sub db_load() {	2244	cf::db_put (board => data => $pst->{board});
1779	warn "loading database $path\n";#d# remove later	2245	cf::db_put (guildrules => data => $pst->{guildrules});
1780	$DB = stat $path ? Storable::retrieve $path : { };	2246	cf::db_put (rent => balance => $pst->{rent}{balance});
1781	}	2247	BDB::db_env_txn_checkpoint $DB_ENV;
1782		2248
1783	my $pid;	2249	unlink $path;
1784
1785	sub db_save() {
1786	warn "saving database $path\n";#d# remove later
1787	waitpid $pid, 0 if $pid;
1788	if (0 == ($pid = fork)) {
1789	$DB->{_meta}{version} = 1;
1790	Storable::nstore $DB, "$path~";
1791	rename "$path~", $path;
1792	cf::_exit 0 if defined $pid;
1793	}	2250	};
1794	}	2251	}
1795
1796	my $dirty;
1797
1798	sub db_sync() {
1799	db_save if $dirty;
1800	undef $dirty;
1801	}
1802
1803	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1804	db_sync;
1805	});	2252	}
		2253	}
1806		2254
1807	sub db_dirty() {
1808	$dirty = 1;
1809	$idle->start;
1810	}
1811
1812	sub db_get($;$) {	2255	sub db_get($$) {
1813	@_ >= 2	2256	my $key = "$_[0]/$_[1]";
1814	? $DB->{$_[0]}{$_[1]}
1815	: ($DB->{$_[0]} ||= { })
1816	}
1817		2257
		2258	cf::sync_job {
		2259	BDB::db_get $DB, undef, $key, my $data;
		2260
		2261	$! ? ()
		2262	: Compress::LZF::sthaw $data
		2263	}
		2264	}
		2265
1818	sub db_put($$;$) {	2266	sub db_put($$$) {
1819	if (@_ >= 3) {	2267	BDB::dbreq_pri 4;
1820	$DB->{$_[0]}{$_[1]} = $_[2];	2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2269	}
		2270
		2271	#############################################################################
		2272	# the server's init and main functions
		2273
		2274	sub load_faces {
		2275	my $path = sprintf "%s/faces", cf::datadir;
		2276
		2277	warn "loading faces from $path\n";
		2278
		2279	my $faces;
		2280	0 < aio_load $path, $faces
		2281	or die "$path: $!";
		2282
		2283	Coro::cede;
		2284	$faces = Storable::thaw $faces;
		2285	Coro::cede;
		2286
		2287	while (my ($face, $info) = each %$faces) {
		2288	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2289	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2290	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2291	Coro::cede;
		2292	}
		2293
		2294	while (my ($face, $info) = each %$faces) {
		2295	next unless $info->{smooth};
		2296	my $idx = cf::face::find $face
		2297	or next;
		2298	if (my $smooth = cf::face::find $info->{smooth}) {
		2299	cf::face::set_smooth $idx, $smooth;
		2300	warn "smooth $idx,$smooth ($face,$info->{smooth})\n";#d#
1821	} else {	2301	} else {
1822	$DB->{$_[0]} = $_[1];	2302	warn "smooth face '$info->{smooth}' not found for face '$face'";
1823	}
1824	db_dirty;
1825	}
1826
1827	cf::global->attach (
1828	prio => 10000,
1829	on_cleanup => sub {
1830	db_sync;
1831	},	2303	}
1832	);	2304	Coro::cede;
1833	}	2305	}
1834		2306
1835	#############################################################################	2307	1
1836	# the server's main()	2308	}
		2309
		2310	sub reload_resources {
		2311	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2312	or die "unable to load regions file\n";#d#
		2313	load_faces
		2314	or die "unable to load faces\n";#d#
		2315	}
		2316
		2317	sub init {
		2318	reload_resources;
		2319	}
1837		2320
1838	sub cfg_load {	2321	sub cfg_load {
1839	open my $fh, "<:utf8", cf::confdir . "/config"	2322	open my $fh, "<:utf8", cf::confdir . "/config"
1840	or return;	2323	or return;
1841		2324
1842	local $/;	2325	local $/;
1843	*CFG = YAML::Syck::Load <$fh>;	2326	*CFG = YAML::Syck::Load <$fh>;
		2327
		2328	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2329
		2330	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2331	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2332
		2333	if (exists $CFG{mlockall}) {
		2334	eval {
		2335	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2336	and die "WARNING: m(un)lockall failed: $!\n";
		2337	};
		2338	warn $@ if $@;
		2339	}
1844	}	2340	}
1845		2341
1846	sub main {	2342	sub main {
1847	# we must not ever block the main coroutine	2343	# we must not ever block the main coroutine
1848	local $Coro::idle = sub {	2344	local $Coro::idle = sub {
1849	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2345	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1850	(Coro::unblock_sub {	2346	(async {
1851	Event::one_event;	2347	Event::one_event;
1852	})->();	2348	})->prio (Coro::PRIO_MAX);
1853	};	2349	};
1854		2350
1855	cfg_load;	2351	cfg_load;
1856	db_load;	2352	db_init;
1857	load_extensions;	2353	load_extensions;
		2354
		2355	$TICK_WATCHER->start;
1858	Event::loop;	2356	Event::loop;
1859	}	2357	}
1860		2358
1861	#############################################################################	2359	#############################################################################
1862	# initialisation	2360	# initialisation and cleanup
		2361
		2362	# install some emergency cleanup handlers
		2363	BEGIN {
		2364	for my $signal (qw(INT HUP TERM)) {
		2365	Event->signal (
		2366	reentrant => 0,
		2367	data => WF_AUTOCANCEL,
		2368	signal => $signal,
		2369	prio => 0,
		2370	cb => sub {
		2371	cf::cleanup "SIG$signal";
		2372	},
		2373	);
		2374	}
		2375	}
		2376
		2377	sub emergency_save() {
		2378	my $freeze_guard = cf::freeze_mainloop;
		2379
		2380	warn "enter emergency perl save\n";
		2381
		2382	cf::sync_job {
		2383	# use a peculiar iteration method to avoid tripping on perl
		2384	# refcount bugs in for. also avoids problems with players
		2385	# and maps saved/destroyed asynchronously.
		2386	warn "begin emergency player save\n";
		2387	for my $login (keys %cf::PLAYER) {
		2388	my $pl = $cf::PLAYER{$login} or next;
		2389	$pl->valid or next;
		2390	$pl->save;
		2391	}
		2392	warn "end emergency player save\n";
		2393
		2394	warn "begin emergency map save\n";
		2395	for my $path (keys %cf::MAP) {
		2396	my $map = $cf::MAP{$path} or next;
		2397	$map->valid or next;
		2398	$map->save;
		2399	}
		2400	warn "end emergency map save\n";
		2401
		2402	warn "begin emergency database checkpoint\n";
		2403	BDB::db_env_txn_checkpoint $DB_ENV;
		2404	warn "end emergency database checkpoint\n";
		2405	};
		2406
		2407	warn "leave emergency perl save\n";
		2408	}
		2409
		2410	sub post_cleanup {
		2411	my ($make_core) = @_;
		2412
		2413	warn Carp::longmess "post_cleanup backtrace"
		2414	if $make_core;
		2415	}
1863		2416
1864	sub reload() {	2417	sub reload() {
1865	# can/must only be called in main	2418	# can/must only be called in main
1866	if ($Coro::current != $Coro::main) {	2419	if ($Coro::current != $Coro::main) {
1867	warn "can only reload from main coroutine\n";	2420	warn "can only reload from main coroutine";
1868	return;	2421	return;
1869	}	2422	}
1870		2423
1871	warn "reloading...";	2424	warn "reloading...";
1872		2425
1873	local $FREEZE = 1;	2426	warn "entering sync_job";
		2427
		2428	cf::sync_job {
		2429	cf::write_runtime; # external watchdog should not bark
1874	cf::emergency_save;	2430	cf::emergency_save;
		2431	cf::write_runtime; # external watchdog should not bark
1875		2432
1876	eval {	2433	warn "syncing database to disk";
		2434	BDB::db_env_txn_checkpoint $DB_ENV;
		2435
1877	# if anything goes wrong in here, we should simply crash as we already saved	2436	# if anything goes wrong in here, we should simply crash as we already saved
1878		2437
1879	# cancel all watchers	2438	warn "cancelling all WF_AUTOCANCEL watchers";
1880	for (Event::all_watchers) {	2439	for (Event::all_watchers) {
1881	$_->cancel if $_->data & WF_AUTOCANCEL;	2440	$_->cancel if $_->data & WF_AUTOCANCEL;
1882	}	2441	}
1883		2442
		2443	warn "flushing outstanding aio requests";
		2444	for (;;) {
		2445	BDB::flush;
		2446	IO::AIO::flush;
		2447	Coro::cede;
		2448	last unless IO::AIO::nreqs || BDB::nreqs;
		2449	warn "iterate...";
		2450	}
		2451
		2452	++$RELOAD;
		2453
1884	# cancel all extension coros	2454	warn "cancelling all extension coros";
1885	$_->cancel for values %EXT_CORO;	2455	$_->cancel for values %EXT_CORO;
1886	%EXT_CORO = ();	2456	%EXT_CORO = ();
1887		2457
1888	# unload all extensions	2458	warn "removing commands";
1889	for (@exts) {	2459	%COMMAND = ();
		2460
		2461	warn "removing ext commands";
		2462	%EXTCMD = ();
		2463
		2464	warn "unloading/nuking all extensions";
		2465	for my $pkg (@EXTS) {
1890	warn "unloading <$_>";	2466	warn "... unloading $pkg";
1891	unload_extension $_;	2467
		2468	if (my $cb = $pkg->can ("unload")) {
		2469	eval {
		2470	$cb->($pkg);
		2471	1
		2472	} or warn "$pkg unloaded, but with errors: $@";
1892	}	2473	}
1893		2474
		2475	warn "... nuking $pkg";
		2476	Symbol::delete_package $pkg;
		2477	}
		2478
1894	# unload all modules loaded from $LIBDIR	2479	warn "unloading all perl modules loaded from $LIBDIR";
1895	while (my ($k, $v) = each %INC) {	2480	while (my ($k, $v) = each %INC) {
1896	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2481	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1897		2482
1898	warn "removing <$k>";	2483	warn "... unloading $k";
1899	delete $INC{$k};	2484	delete $INC{$k};
1900		2485
1901	$k =~ s/\.pm$//;	2486	$k =~ s/\.pm$//;
1902	$k =~ s/\//::/g;	2487	$k =~ s/\//::/g;
1903		2488
…		…
1906	}	2491	}
1907		2492
1908	Symbol::delete_package $k;	2493	Symbol::delete_package $k;
1909	}	2494	}
1910		2495
1911	# sync database to disk
1912	cf::db_sync;
1913	IO::AIO::flush;
1914
1915	# get rid of safe::, as good as possible	2496	warn "getting rid of safe::, as good as possible";
1916	Symbol::delete_package "safe::$_"	2497	Symbol::delete_package "safe::$_"
1917	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2498	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1918		2499
1919	# remove register_script_function callbacks
1920	# TODO
1921
1922	# unload cf.pm "a bit"	2500	warn "unloading cf.pm \"a bit\"";
1923	delete $INC{"cf.pm"};	2501	delete $INC{"cf.pm"};
1924		2502
1925	# don't, removes xs symbols, too,	2503	# don't, removes xs symbols, too,
1926	# and global variables created in xs	2504	# and global variables created in xs
1927	#Symbol::delete_package __PACKAGE__;	2505	#Symbol::delete_package __PACKAGE__;
1928		2506
1929	# reload cf.pm	2507	warn "unload completed, starting to reload now";
		2508
1930	warn "reloading cf.pm";	2509	warn "reloading cf.pm";
1931	require cf;	2510	require cf;
1932	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2511	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1933		2512
1934	# load config and database again	2513	warn "loading config and database again";
1935	cf::cfg_load;	2514	cf::cfg_load;
1936	cf::db_load;
1937		2515
1938	# load extensions
1939	warn "load extensions";	2516	warn "loading extensions";
1940	cf::load_extensions;	2517	cf::load_extensions;
1941		2518
1942	# reattach attachments to objects	2519	warn "reattaching attachments to objects/players";
1943	warn "reattach";	2520	_global_reattach; # objects, sockets
1944	_global_reattach;	2521	warn "reattaching attachments to maps";
1945	};	2522	reattach $_ for values %MAP;
		2523	warn "reattaching attachments to players";
		2524	reattach $_ for values %PLAYER;
1946		2525
1947	if ($@) {	2526	warn "loading reloadable resources";
		2527	reload_resources;
		2528
		2529	warn "leaving sync_job";
		2530
		2531	1
		2532	} or do {
1948	warn $@;	2533	warn $@;
1949	warn "error while reloading, exiting.";	2534	warn "error while reloading, exiting.";
1950	exit 1;	2535	exit 1;
1951	}	2536	};
1952		2537
1953	warn "reloaded successfully";	2538	warn "reloaded";
1954	};	2539	};
1955		2540
1956	#############################################################################	2541	our $RELOAD_WATCHER; # used only during reload
1957
1958	unless ($LINK_MAP) {
1959	$LINK_MAP = cf::map::new;
1960
1961	$LINK_MAP->width (41);
1962	$LINK_MAP->height (41);
1963	$LINK_MAP->alloc;
1964	$LINK_MAP->path ("{link}");
1965	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1966	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1967
1968	# dirty hack because... archetypes are not yet loaded
1969	Event->timer (
1970	after => 2,
1971	cb => sub {
1972	$_[0]->w->cancel;
1973
1974	# provide some exits "home"
1975	my $exit = cf::object::new "exit";
1976
1977	$exit->slaying ($EMERGENCY_POSITION->[0]);
1978	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
1979	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
1980
1981	$LINK_MAP->insert ($exit->clone, 19, 19);
1982	$LINK_MAP->insert ($exit->clone, 19, 20);
1983	$LINK_MAP->insert ($exit->clone, 19, 21);
1984	$LINK_MAP->insert ($exit->clone, 20, 19);
1985	$LINK_MAP->insert ($exit->clone, 20, 21);
1986	$LINK_MAP->insert ($exit->clone, 21, 19);
1987	$LINK_MAP->insert ($exit->clone, 21, 20);
1988	$LINK_MAP->insert ($exit->clone, 21, 21);
1989
1990	$exit->destroy;
1991	});
1992
1993	$LINK_MAP->{deny_save} = 1;
1994	$LINK_MAP->{deny_reset} = 1;
1995
1996	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1997	}
1998
1999	register "<global>", __PACKAGE__;
2000		2542
2001	register_command "reload" => sub {	2543	register_command "reload" => sub {
2002	my ($who, $arg) = @_;	2544	my ($who, $arg) = @_;
2003		2545
2004	if ($who->flag (FLAG_WIZ)) {	2546	if ($who->flag (FLAG_WIZ)) {
2005	$who->message ("start of reload.");	2547	$who->message ("reloading server.");
		2548
		2549	# doing reload synchronously and two reloads happen back-to-back,
		2550	# coro crashes during coro_state_free->destroy here.
		2551
		2552	$RELOAD_WATCHER ||= Event->timer (
		2553	reentrant => 0,
		2554	after => 0,
		2555	data => WF_AUTOCANCEL,
		2556	cb => sub {
2006	reload;	2557	reload;
2007	$who->message ("end of reload.");	2558	undef $RELOAD_WATCHER;
		2559	},
		2560	);
2008	}	2561	}
2009	};	2562	};
2010		2563
2011	unshift @INC, $LIBDIR;	2564	unshift @INC, $LIBDIR;
		2565
		2566	my $bug_warning = 0;
2012		2567
2013	$TICK_WATCHER = Event->timer (	2568	$TICK_WATCHER = Event->timer (
2014	reentrant => 0,	2569	reentrant => 0,
		2570	parked => 1,
2015	prio => 0,	2571	prio => 0,
2016	at => $NEXT_TICK || $TICK,	2572	at => $NEXT_TICK || $TICK,
2017	data => WF_AUTOCANCEL,	2573	data => WF_AUTOCANCEL,
2018	cb => sub {	2574	cb => sub {
2019	unless ($FREEZE) {	2575	if ($Coro::current != $Coro::main) {
		2576	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2577	unless ++$bug_warning > 10;
		2578	return;
		2579	}
		2580
		2581	$NOW = Event::time;
		2582
2020	cf::server_tick; # one server iteration	2583	cf::server_tick; # one server iteration
2021	$RUNTIME += $TICK;	2584	$RUNTIME += $TICK;
2022	}
2023
2024	$NEXT_TICK += $TICK;	2585	$NEXT_TICK += $TICK;
		2586
		2587	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2588	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2589	Coro::async_pool {
		2590	write_runtime
		2591	or warn "ERROR: unable to write runtime file: $!";
		2592	};
		2593	}
		2594
		2595	$WAIT_FOR_TICK->broadcast;
		2596	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2597
		2598	# my $AFTER = Event::time;
		2599	# warn $AFTER - $NOW;#d#
2025		2600
2026	# if we are delayed by four ticks or more, skip them all	2601	# if we are delayed by four ticks or more, skip them all
2027	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2602	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2028		2603
2029	$TICK_WATCHER->at ($NEXT_TICK);	2604	$TICK_WATCHER->at ($NEXT_TICK);
2030	$TICK_WATCHER->start;	2605	$TICK_WATCHER->start;
2031	},	2606	},
2032	);	2607	);
2033		2608
		2609	{
2034	IO::AIO::max_poll_time $TICK * 0.2;	2610	BDB::max_poll_time $TICK * 0.1;
2035		2611	$BDB_POLL_WATCHER = Event->io (
2036	Event->io (	2612	reentrant => 0,
2037	fd => IO::AIO::poll_fileno,	2613	fd => BDB::poll_fileno,
2038	poll => 'r',	2614	poll => 'r',
2039	prio => 5,	2615	prio => 0,
2040	data => WF_AUTOCANCEL,
2041	cb => \&IO::AIO::poll_cb,
2042	);
2043
2044	Event->timer (
2045	data => WF_AUTOCANCEL,	2616	data => WF_AUTOCANCEL,
2046	after => 0,	2617	cb => \&BDB::poll_cb,
2047	interval => 10,	2618	);
2048	cb => sub {	2619	BDB::min_parallel 8;
2049	(Coro::unblock_sub {	2620
2050	write_runtime	2621	BDB::set_sync_prepare {
2051	or warn "ERROR: unable to write runtime file: $!";	2622	my $status;
		2623	my $current = $Coro::current;
		2624	(
		2625	sub {
		2626	$status = $!;
		2627	$current->ready; undef $current;
		2628	},
		2629	sub {
		2630	Coro::schedule while defined $current;
		2631	$! = $status;
		2632	},
		2633	)
		2634	};
		2635
		2636	unless ($DB_ENV) {
		2637	$DB_ENV = BDB::db_env_create;
		2638
		2639	cf::sync_job {
		2640	eval {
		2641	BDB::db_env_open
		2642	$DB_ENV,
		2643	$BDB_ENV_DIR,
		2644	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2645	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2646	0666;
		2647
		2648	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2649
		2650	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2651	$DB_ENV->set_lk_detect;
		2652	};
		2653
		2654	cf::cleanup "db_env_open(db): $@" if $@;
2052	})->();	2655	};
2053	},	2656	}
2054	);	2657	}
		2658
		2659	{
		2660	IO::AIO::min_parallel 8;
		2661
		2662	undef $Coro::AIO::WATCHER;
		2663	IO::AIO::max_poll_time $TICK * 0.1;
		2664	$AIO_POLL_WATCHER = Event->io (
		2665	reentrant => 0,
		2666	data => WF_AUTOCANCEL,
		2667	fd => IO::AIO::poll_fileno,
		2668	poll => 'r',
		2669	prio => 6,
		2670	cb => \&IO::AIO::poll_cb,
		2671	);
		2672	}
		2673
		2674	END { cf::emergency_save }
2055		2675
2056	1	2676	1
2057		2677

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