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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.139 by root, Fri Jan 5 19:12:03 2007 UTC vs.
Revision 1.231 by root, Wed Apr 4 00:02:06 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 ();
23	use YAML::Syck ();	26	use YAML::Syck ();
		27	use IO::AIO 2.32 ();
24	use Time::HiRes;	28	use Time::HiRes;
		29	use Compress::LZF;
25		30
		31	# configure various modules to our taste
		32	#
		33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		35
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	36	$Event::Eval = 1; # no idea why this is required, but it is
27		37
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	39	$YAML::Syck::ImplicitUnicode = 1;
30		40
31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		42
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		44
35	our %COMMAND = ();	45	our %COMMAND = ();
36	our %COMMAND_TIME = ();	46	our %COMMAND_TIME = ();
		47
		48	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	49	our %EXTCMD = ();
		50	our %EXT_CORO = (); # coroutines bound to extensions
		51	our %EXT_MAP = (); # pluggable maps
38		52
		53	our $RELOAD; # number of reloads so far
39	our @EVENT;	54	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	55	our $LIBDIR = datadir . "/ext";
41		56
42	our $TICK = MAX_TIME * 1e-6;	57	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	58	our $TICK_WATCHER;
		59	our $AIO_POLL_WATCHER;
		60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	61	our $NEXT_TICK;
45	our $NOW;	62	our $NOW;
		63	our $USE_FSYNC = 1; # use fsync to write maps - default off
		64
		65	our $BDB_POLL_WATCHER;
		66	our $DB_ENV;
46		67
47	our %CFG;	68	our %CFG;
48		69
49	our $UPTIME; $UPTIME ||= time;	70	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	71	our $RUNTIME;
51		72
		73	our %PLAYER; # all users
52	our %MAP; # all maps	74	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	75	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	76	our $RANDOM_MAPS = cf::localdir . "/random";
55	our %EXT_CORO;	77	our $BDB_ENV_DIR = cf::localdir . "/db";
		78
		79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		81
		82	# used to convert map paths into valid unix filenames by replacing / by ∕
		83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		84
57	binmode STDOUT;	85	binmode STDOUT;
58	binmode STDERR;	86	binmode STDERR;
59		87
60	# read virtual server time, if available	88	# read virtual server time, if available
…		…
67	mkdir cf::localdir;	95	mkdir cf::localdir;
68	mkdir cf::localdir . "/" . cf::playerdir;	96	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	97	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	98	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	99	mkdir $RANDOM_MAPS;
		100	mkdir $BDB_ENV_DIR;
72		101
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	102	our $EMERGENCY_POSITION;
		103
		104	sub cf::map::normalise;
76		105
77	#############################################################################	106	#############################################################################
78		107
79	=head2 GLOBAL VARIABLES	108	=head2 GLOBAL VARIABLES
80		109
…		…
104		133
105	=item %cf::CFG	134	=item %cf::CFG
106		135
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	136	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	137	from wherever your confdir points to.
		138
		139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		140
		141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		143	processing has been done. Call C<< ->wait >> on them to maximise the
		144	window of cpu time available, or simply to synchronise to the server tick.
109		145
110	=back	146	=back
111		147
112	=cut	148	=cut
113		149
…		…
117	utf8::encode $msg;	153	utf8::encode $msg;
118		154
119	$msg .= "\n"	155	$msg .= "\n"
120	unless $msg =~ /\n$/;	156	unless $msg =~ /\n$/;
121		157
122	LOG llevError, "cfperl: $msg";	158	LOG llevError, $msg;
123	};	159	};
124	}	160	}
125		161
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		181
146	$Event::DIED = sub {	182	$Event::DIED = sub {
147	warn "error in event callback: @_";	183	warn "error in event callback: @_";
148	};	184	};
149		185
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	186	=head2 UTILITY FUNCTIONS
155		187
156	=over 4	188	=over 4
157		189
158	=cut	190	=item dumpval $ref
159		191
		192	=cut
		193
		194	sub dumpval {
		195	eval {
		196	local $SIG{__DIE__};
		197	my $d;
		198	if (1) {
		199	$d = new Data::Dumper([$_[0]], ["*var"]);
		200	$d->Terse(1);
		201	$d->Indent(2);
		202	$d->Quotekeys(0);
		203	$d->Useqq(1);
		204	#$d->Bless(...);
		205	$d->Seen($_[1]) if @_ > 1;
		206	$d = $d->Dump();
		207	}
		208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		209	$d
		210	} || "[unable to dump $_[0]: '$@']";
		211	}
		212
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
161		214
162	=item $ref = cf::from_json $json	215	=item $ref = cf::from_json $json
163		216
164	Converts a JSON string into the corresponding perl data structure.	217	Converts a JSON string into the corresponding perl data structure.
165		218
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	219	=item $json = cf::to_json $ref
174		220
175	Converts a perl data structure into its JSON representation.	221	Converts a perl data structure into its JSON representation.
176
177	=cut
178
179	sub to_json($) {
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]
182	}
183		222
184	=item cf::lock_wait $string	223	=item cf::lock_wait $string
185		224
186	Wait until the given lock is available. See cf::lock_acquire.	225	Wait until the given lock is available. See cf::lock_acquire.
187		226
…		…
224	}	263	}
225		264
226	sub freeze_mainloop {	265	sub freeze_mainloop {
227	return unless $TICK_WATCHER->is_active;	266	return unless $TICK_WATCHER->is_active;
228		267
229	my $guard = Coro::guard { $TICK_WATCHER->start };	268	my $guard = Coro::guard {
		269	$TICK_WATCHER->start;
		270	};
230	$TICK_WATCHER->stop;	271	$TICK_WATCHER->stop;
231	$guard	272	$guard
232	}	273	}
		274
		275	=item cf::async { BLOCK }
		276
		277	Currently the same as Coro::async_pool, meaning you cannot use
		278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		279	thing you are allowed to do is call C<prio> on it.
		280
		281	=cut
		282
		283	BEGIN { *async = \&Coro::async_pool }
233		284
234	=item cf::sync_job { BLOCK }	285	=item cf::sync_job { BLOCK }
235		286
236	The design of crossfire+ requires that the main coro ($Coro::main) is	287	The design of crossfire+ requires that the main coro ($Coro::main) is
237	always able to handle events or runnable, as crossfire+ is only partly	288	always able to handle events or runnable, as crossfire+ is only partly
…		…
256	my $freeze_guard = freeze_mainloop;	307	my $freeze_guard = freeze_mainloop;
257		308
258	my $busy = 1;	309	my $busy = 1;
259	my @res;	310	my @res;
260		311
261	(Coro::async_pool {	312	(async {
262	@res = eval { $job->() };	313	@res = eval { $job->() };
263	warn $@ if $@;	314	warn $@ if $@;
264	undef $busy;	315	undef $busy;
265	})->prio (Coro::PRIO_MAX);	316	})->prio (Coro::PRIO_MAX);
266		317
267	while ($busy) {	318	while ($busy) {
268	unless (Coro::cede) {	319	Coro::cede or Event::one_event;
269	Coro::nready ? Event::one_event 0 : Event::one_event;
270	Coro::cede_notself unless Coro::cede;
271	}
272	}	320	}
273		321
274	wantarray ? @res : $res[0]	322	wantarray ? @res : $res[0]
275	} else {	323	} else {
276	# we are in another coroutine, how wonderful, everything just works	324	# we are in another coroutine, how wonderful, everything just works
277		325
278	$job->()	326	$job->()
279	}	327	}
280	}	328	}
281		329
282	=item $coro = cf::coro { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
283		331
284	Creates (and readies) and returns a new coro. This coro is automcatially	332	Like async, but this coro is automatically being canceled when the
285	being canceled when the extension calling this is being unloaded.	333	extension calling this is being unloaded.
286		334
287	=cut	335	=cut
288		336
289	sub coro(&) {	337	sub async_ext(&) {
290	my $cb = shift;	338	my $cb = shift;
291		339
292	my $coro = &Coro::async_pool ($cb);	340	my $coro = &Coro::async ($cb);
293		341
294	$coro->on_destroy (sub {	342	$coro->on_destroy (sub {
295	delete $EXT_CORO{$coro+0};	343	delete $EXT_CORO{$coro+0};
296	});	344	});
297	$EXT_CORO{$coro+0} = $coro;	345	$EXT_CORO{$coro+0} = $coro;
298		346
299	$coro	347	$coro
300	}	348	}
301		349
302	sub write_runtime {	350	sub write_runtime {
		351	my $guard = cf::lock_acquire "write_runtime";
		352
303	my $runtime = cf::localdir . "/runtime";	353	my $runtime = cf::localdir . "/runtime";
304		354
305	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
306	or return;	356	or return;
307		357
		358	my $value = $cf::RUNTIME + 90 + 10;
308	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	359	# 10 is the runtime save interval, for a monotonic clock
		360	# 60 allows for the watchdog to kill the server.
		361
309	(aio_write $fh, 0, (length $value), $value, 0) <= 0	362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
310	and return;	363	and return;
311		364
		365	# always fsync - this file is important
312	aio_fsync $fh	366	aio_fsync $fh
313	and return;	367	and return;
314		368
315	close $fh	369	close $fh
316	or return;	370	or return;
…		…
319	and return;	373	and return;
320		374
321	1	375	1
322	}	376	}
323		377
		378	=item cf::datalog type => key => value, ...
		379
		380	Log a datalog packet of the given type with the given key-value pairs.
		381
		382	=cut
		383
		384	sub datalog($@) {
		385	my ($type, %kv) = @_;
		386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		387	}
		388
324	=back	389	=back
325		390
326	=cut	391	=cut
327
328	#############################################################################
329
330	package cf::path;
331
332	sub new {
333	my ($class, $path, $base) = @_;
334
335	$path = $path->as_string if ref $path;
336
337	my $self = bless { }, $class;
338
339	# {... are special paths that are not touched
340	# ?xxx/... are special absolute paths
341	# ?random/... random maps
342	# /! non-realised random map exit
343	# /... normal maps
344	# ~/... per-player maps without a specific player (DO NOT USE)
345	# ~user/... per-player map of a specific user
346
347	if ($path =~ /^{/) {
348	# fine as it is
349	} elsif ($path =~ s{^\?random/}{}) {
350	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
351	$self->{random} = cf::from_json $data;
352	} else {
353	if ($path =~ s{^~([^/]+)?}{}) {
354	$self->{user_rel} = 1;
355
356	if (defined $1) {
357	$self->{user} = $1;
358	} elsif ($base =~ m{^~([^/]+)/}) {
359	$self->{user} = $1;
360	} else {
361	warn "cannot resolve user-relative path without user <$path,$base>\n";
362	}
363	} elsif ($path =~ /^\//) {
364	# already absolute
365	} else {
366	$base =~ s{[^/]+/?$}{};
367	return $class->new ("$base/$path");
368	}
369
370	for ($path) {
371	redo if s{/\.?/}{/};
372	redo if s{/[^/]+/\.\./}{/};
373	}
374	}
375
376	$self->{path} = $path;
377
378	$self
379	}
380
381	# the name / primary key / in-game path
382	sub as_string {
383	my ($self) = @_;
384
385	$self->{user_rel} ? "~$self->{user}$self->{path}"
386	: $self->{random} ? "?random/$self->{path}"
387	: $self->{path}
388	}
389
390	# the displayed name, this is a one way mapping
391	sub visible_name {
392	my ($self) = @_;
393
394	# if (my $rmp = $self->{random}) {
395	# # todo: be more intelligent about this
396	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
397	# } else {
398	$self->as_string
399	# }
400	}
401
402	# escape the /'s in the path
403	sub _escaped_path {
404	# ∕ is U+2215
405	(my $path = $_[0]{path}) =~ s/\//∕/g;
406	$path
407	}
408
409	# the original (read-only) location
410	sub load_path {
411	my ($self) = @_;
412
413	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
414	}
415
416	# the temporary/swap location
417	sub save_path {
418	my ($self) = @_;
419
420	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
421	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
422	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
423	}
424
425	# the unique path, might be eq to save_path
426	sub uniq_path {
427	my ($self) = @_;
428
429	$self->{user_rel} || $self->{random}
430	? undef
431	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
432	}
433
434	# return random map parameters, or undef
435	sub random_map_params {
436	my ($self) = @_;
437
438	$self->{random}
439	}
440
441	# this is somewhat ugly, but style maps do need special treatment
442	sub is_style_map {
443	$_[0]{path} =~ m{^/styles/}
444	}
445
446	package cf;
447		392
448	#############################################################################	393	#############################################################################
449		394
450	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
451		396
…		…
577	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
578	our @CB_MAP = ();	523	our @CB_MAP = ();
579		524
580	my %attachment;	525	my %attachment;
581		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
582	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
583	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
584		535
585	use sort 'stable';	536	use sort 'stable';
586		537
…		…
757	# object support	708	# object support
758		709
759	sub reattach {	710	sub reattach {
760	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
761	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
762		715
763	my $registry = $obj->registry;	716	my $registry = $obj->registry;
764		717
765	@$registry = ();	718	@$registry = ();
766		719
…		…
813	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
814		767
815	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
816	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
817	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
818	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
819	close $fh;	772	close $fh;
820		773
821	if (@$objs) {	774	if (@$objs) {
822	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) {
823	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
824	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
825	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
826	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	780	close $fh;
828	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
829	}	782	}
830	} else {	783	} else {
831	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
898	=cut	851	=cut
899		852
900	sub register_extcmd {	853	sub register_extcmd {
901	my ($name, $cb) = @_;	854	my ($name, $cb) = @_;
902		855
903	my $caller = caller;
904	#warn "registering extcmd '$name' to '$caller'";
905
906	$EXTCMD{$name} = [$cb, $caller];	856	$EXTCMD{$name} = $cb;
907	}	857	}
908		858
909	cf::player->attach (	859	cf::player->attach (
910	on_command => sub {	860	on_command => sub {
911	my ($pl, $name, $params) = @_;	861	my ($pl, $name, $params) = @_;
…		…
924		874
925	my $msg = eval { from_json $buf };	875	my $msg = eval { from_json $buf };
926		876
927	if (ref $msg) {	877	if (ref $msg) {
928	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
929	if (my %reply = $cb->[0]->($pl, $msg)) {	879	if (my %reply = $cb->($pl, $msg)) {
930	$pl->ext_reply ($msg->{msgid}, %reply);	880	$pl->ext_reply ($msg->{msgid}, %reply);
931	}	881	}
932	}	882	}
933	} else {	883	} else {
934	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
936		886
937	cf::override;	887	cf::override;
938	},	888	},
939	);	889	);
940		890
941	sub register {
942	my ($base, $pkg) = @_;
943
944	#TODO
945	}
946
947	sub load_extension {	891	sub load_extension {
948	my ($path) = @_;	892	my ($path) = @_;
949		893
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
951	my $base = $1;	895	my $base = $1;
952	my $pkg = $1;	896	my $pkg = $1;
953	$pkg =~ s/[^[:word:]]/_/g;	897	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";	898	$pkg = "ext::$pkg";
955		899
956	warn "loading '$path' into '$pkg'\n";	900	warn "... loading '$path' into '$pkg'\n";
957		901
958	open my $fh, "<:utf8", $path	902	open my $fh, "<:utf8", $path
959	or die "$path: $!";	903	or die "$path: $!";
960		904
961	my $source =	905	my $source =
962	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
965	. "\n};\n1";	909	. "\n};\n1";
966		910
967	eval $source	911	unless (eval $source) {
968	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";	913	: "extension disabled.\n";
970		914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	push @exts, $pkg;	915	warn $@;
972	$ext_pkg{$base} = $pkg;	916	warn "mandatory extension failed to load, exiting.\n";
973		917	exit 1;
974	# no strict 'refs';	918	}
975	# @{"$pkg\::ISA"} = ext::;	919	die $@;
976
977	register $base, $pkg;
978	}
979
980	sub unload_extension {
981	my ($pkg) = @_;
982
983	warn "removing extension $pkg\n";
984
985	# remove hooks
986	#TODO
987	# for my $idx (0 .. $#PLUGIN_EVENT) {
988	# delete $hook[$idx]{$pkg};
989	# }	920	}
990		921
991	# remove commands	922	push @EXTS, $pkg;
992	for my $name (keys %COMMAND) {
993	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
994
995	if (@cb) {
996	$COMMAND{$name} = \@cb;
997	} else {
998	delete $COMMAND{$name};
999	}
1000	}
1001
1002	# remove extcmds
1003	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1004	delete $EXTCMD{$name};
1005	}
1006
1007	if (my $cb = $pkg->can ("unload")) {
1008	eval {
1009	$cb->($pkg);
1010	1
1011	} or warn "$pkg unloaded, but with errors: $@";
1012	}
1013
1014	Symbol::delete_package $pkg;
1015	}	923	}
1016		924
1017	sub load_extensions {	925	sub load_extensions {
1018	for my $ext (<$LIBDIR/*.ext>) {	926	for my $ext (<$LIBDIR/*.ext>) {
1019	next unless -r $ext;	927	next unless -r $ext;
…		…
1023	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
1024	}	932	}
1025	}	933	}
1026		934
1027	#############################################################################	935	#############################################################################
1028	# load/save/clean perl data associated with a map
1029
1030	*cf::mapsupport::on_clean = sub {
1031	my ($map) = @_;
1032
1033	my $path = $map->tmpname;
1034	defined $path or return;
1035
1036	unlink "$path.pst";
1037	};
1038
1039	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1040
1041	#############################################################################
1042	# load/save perl data associated with player->ob objects
1043
1044	sub all_objects(@) {
1045	@_, map all_objects ($_->inv), @_
1046	}
1047
1048	# TODO: compatibility cruft, remove when no longer needed
1049	cf::player->attach (
1050	on_load => sub {
1051	my ($pl, $path) = @_;
1052
1053	for my $o (all_objects $pl->ob) {
1054	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1055	$o->set_ob_key_value ("_perl_data");
1056
1057	%$o = %{ Storable::thaw pack "H*", $value };
1058	}
1059	}
1060	},
1061	);
1062
1063	#############################################################################
1064		936
1065	=head2 CORE EXTENSIONS	937	=head2 CORE EXTENSIONS
1066		938
1067	Functions and methods that extend core crossfire objects.	939	Functions and methods that extend core crossfire objects.
1068		940
		941	=cut
		942
		943	package cf::player;
		944
		945	use Coro::AIO;
		946
1069	=head3 cf::player	947	=head3 cf::player
1070		948
1071	=over 4	949	=over 4
1072		950
1073	=item cf::player::exists $login	951	=item cf::player::find $login
1074		952
1075	Returns true when the given account exists.	953	Returns the given player object, loading it if necessary (might block).
1076		954
1077	=cut	955	=cut
1078		956
1079	sub cf::player::exists($) {	957	sub playerdir($) {
1080	cf::player::find $_[0]	958	cf::localdir
1081	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])
1082	}	963	}
1083		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
		1127	}
		1128
1084	=item $player->ext_reply ($msgid, $msgtype, %msg)	1129	=item $player->ext_reply ($msgid, %msg)
1085		1130
1086	Sends an ext reply to the player.	1131	Sends an ext reply to the player.
1087		1132
1088	=cut	1133	=cut
1089		1134
1090	sub cf::player::ext_reply($$$%) {	1135	sub ext_reply($$%) {
1091	my ($self, $id, %msg) = @_;	1136	my ($self, $id, %msg) = @_;
1092		1137
1093	$msg{msgid} = $id;	1138	$msg{msgid} = $id;
1094		1139
1095	$self->send ("ext " . to_json \%msg);	1140	$self->send ("ext " . cf::to_json \%msg);
1096	}	1141	}
		1142
		1143	=item $player->ext_event ($type, %msg)
		1144
		1145	Sends an ext event to the client.
		1146
		1147	=cut
		1148
		1149	sub ext_event($$%) {
		1150	my ($self, $type, %msg) = @_;
		1151
		1152	delete $msg{msgid};
		1153	$msg{msgtype} = "event";
		1154	$msg{eventtype} = $type;
		1155
		1156	$self->send ("ext " . cf::to_json \%msg);
		1157	}
		1158
		1159	package cf;
1097		1160
1098	=back	1161	=back
1099		1162
1100		1163
1101	=head3 cf::map	1164	=head3 cf::map
…		…
1107	package cf::map;	1170	package cf::map;
1108		1171
1109	use Fcntl;	1172	use Fcntl;
1110	use Coro::AIO;	1173	use Coro::AIO;
1111		1174
		1175	use overload
		1176	'""' => \&as_string,
		1177	fallback => 1;
		1178
1112	our $MAX_RESET = 3600;	1179	our $MAX_RESET = 3600;
1113	our $DEFAULT_RESET = 3000;	1180	our $DEFAULT_RESET = 3000;
1114		1181
1115	sub generate_random_map {	1182	sub generate_random_map {
1116	my ($path, $rmp) = @_;	1183	my ($self, $rmp) = @_;
1117
1118	# mit "rum" bekleckern, nicht	1184	# mit "rum" bekleckern, nicht
1119	cf::map::_create_random_map	1185	$self->_create_random_map (
1120	$path,
1121	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1186	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1122	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1187	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1123	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1188	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1124	$rmp->{exit_on_final_map},	1189	$rmp->{exit_on_final_map},
1125	$rmp->{xsize}, $rmp->{ysize},	1190	$rmp->{xsize}, $rmp->{ysize},
1126	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1191	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1127	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1192	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1128	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1193	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1129	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1194	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1130	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1195	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1131	(cf::region::find $rmp->{region})	1196	(cf::region::find $rmp->{region}), $rmp->{custom}
		1197	)
		1198	}
		1199
		1200	=item cf::map->register ($regex, $prio)
		1201
		1202	Register a handler for the map path matching the given regex at the
		1203	givne priority (higher is better, built-in handlers have priority 0, the
		1204	default).
		1205
		1206	=cut
		1207
		1208	sub register {
		1209	my (undef, $regex, $prio) = @_;
		1210	my $pkg = caller;
		1211
		1212	no strict;
		1213	push @{"$pkg\::ISA"}, __PACKAGE__;
		1214
		1215	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1216	}
		1217
		1218	# also paths starting with '/'
		1219	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1220
		1221	sub thawer_merge {
		1222	my ($self, $merge) = @_;
		1223
		1224	# we have to keep some variables in memory intact
		1225	local $self->{path};
		1226	local $self->{load_path};
		1227	local $self->{deny_save};
		1228	local $self->{deny_reset};
		1229
		1230	$self->SUPER::thawer_merge ($merge);
		1231	}
		1232
		1233	sub normalise {
		1234	my ($path, $base) = @_;
		1235
		1236	$path = "$path"; # make sure its a string
		1237
		1238	$path =~ s/\.map$//;
		1239
		1240	# map plan:
		1241	#
		1242	# /! non-realised random map exit (special hack!)
		1243	# {... are special paths that are not being touched
		1244	# ?xxx/... are special absolute paths
		1245	# ?random/... random maps
		1246	# /... normal maps
		1247	# ~user/... per-player map of a specific user
		1248
		1249	$path =~ s/$PATH_SEP/\//go;
		1250
		1251	# treat it as relative path if it starts with
		1252	# something that looks reasonable
		1253	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1254	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1255
		1256	$base =~ s{[^/]+/?$}{};
		1257	$path = "$base/$path";
		1258	}
		1259
		1260	for ($path) {
		1261	redo if s{//}{/};
		1262	redo if s{/\.?/}{/};
		1263	redo if s{/[^/]+/\.\./}{/};
		1264	}
		1265
		1266	$path
		1267	}
		1268
		1269	sub new_from_path {
		1270	my (undef, $path, $base) = @_;
		1271
		1272	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1273
		1274	$path = normalise $path, $base;
		1275
		1276	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1277	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1278	my $self = bless cf::map::new, $pkg;
		1279	$self->{path} = $path; $self->path ($path);
		1280	$self->init; # pass $1 etc.
		1281	return $self;
		1282	}
		1283	}
		1284
		1285	Carp::carp "unable to resolve path '$path' (base '$base').";
		1286	()
		1287	}
		1288
		1289	sub init {
		1290	my ($self) = @_;
		1291
		1292	$self
		1293	}
		1294
		1295	sub as_string {
		1296	my ($self) = @_;
		1297
		1298	"$self->{path}"
		1299	}
		1300
		1301	# the displayed name, this is a one way mapping
		1302	sub visible_name {
		1303	&as_string
		1304	}
		1305
		1306	# the original (read-only) location
		1307	sub load_path {
		1308	my ($self) = @_;
		1309
		1310	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1311	}
		1312
		1313	# the temporary/swap location
		1314	sub save_path {
		1315	my ($self) = @_;
		1316
		1317	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1318	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1319	}
		1320
		1321	# the unique path, undef == no special unique path
		1322	sub uniq_path {
		1323	my ($self) = @_;
		1324
		1325	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1326	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1132	}	1327	}
1133		1328
1134	# and all this just because we cannot iterate over	1329	# and all this just because we cannot iterate over
1135	# all maps in C++...	1330	# all maps in C++...
1136	sub change_all_map_light {	1331	sub change_all_map_light {
…		…
1138		1333
1139	$_->change_map_light ($change)	1334	$_->change_map_light ($change)
1140	for grep $_->outdoor, values %cf::MAP;	1335	for grep $_->outdoor, values %cf::MAP;
1141	}	1336	}
1142		1337
		1338	sub unlink_save {
		1339	my ($self) = @_;
		1340
		1341	utf8::encode (my $save = $self->save_path);
		1342	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1343	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1344	}
		1345
1143	sub try_load_header($) {	1346	sub load_header_from($) {
1144	my ($path) = @_;	1347	my ($self, $path) = @_;
1145		1348
1146	utf8::encode $path;	1349	utf8::encode $path;
1147	aio_open $path, O_RDONLY, 0	1350	#aio_open $path, O_RDONLY, 0
		1351	# or return;
		1352
		1353	$self->_load_header ($path)
1148	or return;	1354	or return;
1149		1355
1150	my $map = cf::map::new	1356	$self->{load_path} = $path;
		1357
		1358	1
		1359	}
		1360
		1361	sub load_header_orig {
		1362	my ($self) = @_;
		1363
		1364	$self->load_header_from ($self->load_path)
		1365	}
		1366
		1367	sub load_header_temp {
		1368	my ($self) = @_;
		1369
		1370	$self->load_header_from ($self->save_path)
		1371	}
		1372
		1373	sub prepare_temp {
		1374	my ($self) = @_;
		1375
		1376	$self->last_access ((delete $self->{last_access})
		1377	|| $cf::RUNTIME); #d#
		1378	# safety
		1379	$self->{instantiate_time} = $cf::RUNTIME
		1380	if $self->{instantiate_time} > $cf::RUNTIME;
		1381	}
		1382
		1383	sub prepare_orig {
		1384	my ($self) = @_;
		1385
		1386	$self->{load_original} = 1;
		1387	$self->{instantiate_time} = $cf::RUNTIME;
		1388	$self->last_access ($cf::RUNTIME);
		1389	$self->instantiate;
		1390	}
		1391
		1392	sub load_header {
		1393	my ($self) = @_;
		1394
		1395	if ($self->load_header_temp) {
		1396	$self->prepare_temp;
		1397	} else {
		1398	$self->load_header_orig
1151	or return;	1399	or return;
		1400	$self->prepare_orig;
		1401	}
1152		1402
1153	# for better error messages only, will be overwritten	1403	1
1154	$map->path ($path);
1155
1156	$map->load_header ($path)
1157	or return;
1158
1159	$map->{load_path} = $path;
1160
1161	$map
1162	}	1404	}
1163		1405
1164	sub find;	1406	sub find;
1165	sub find {	1407	sub find {
1166	my ($path, $origin) = @_;	1408	my ($path, $origin) = @_;
1167		1409
1168	#warn "find<$path,$origin>\n";#d#
1169
1170	$path = new cf::path $path, $origin && $origin->path;	1410	$path = normalise $path, $origin && $origin->path;
1171	my $key = $path->as_string;
1172		1411
1173	cf::lock_wait "map_find:$key";	1412	cf::lock_wait "map_find:$path";
1174		1413
1175	$cf::MAP{$key} || do {	1414	$cf::MAP{$path} || do {
1176	my $guard = cf::lock_acquire "map_find:$key";	1415	my $guard = cf::lock_acquire "map_find:$path";
1177		1416	my $map = new_from_path cf::map $path
1178	# do it the slow way
1179	my $map = try_load_header $path->save_path;
1180
1181	Coro::cede;
1182
1183	if ($map) {
1184	$map->last_access ((delete $map->{last_access})
1185	|| $cf::RUNTIME); #d#
1186	# safety
1187	$map->{instantiate_time} = $cf::RUNTIME
1188	if $map->{instantiate_time} > $cf::RUNTIME;
1189	} else {
1190	if (my $rmp = $path->random_map_params) {
1191	$map = generate_random_map $key, $rmp;
1192	} else {
1193	$map = try_load_header $path->load_path;
1194	}
1195
1196	$map or return;	1417	or return;
1197		1418
1198	$map->{load_original} = 1;
1199	$map->{instantiate_time} = $cf::RUNTIME;
1200	$map->last_access ($cf::RUNTIME);
1201	$map->instantiate;
1202
1203	# per-player maps become, after loading, normal maps
1204	$map->per_player (0) if $path->{user_rel};
1205	}
1206
1207	$map->path ($key);
1208	$map->{path} = $path;
1209	$map->{last_save} = $cf::RUNTIME;	1419	$map->{last_save} = $cf::RUNTIME;
1210		1420
1211	Coro::cede;	1421	$map->load_header
		1422	or return;
1212		1423
1213	if ($map->should_reset) {	1424	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1425	# doing this can freeze the server in a sync job, obviously
		1426	#$cf::WAIT_FOR_TICK->wait;
1214	$map->reset;	1427	$map->reset;
1215	undef $guard;	1428	undef $guard;
1216	$map = find $path	1429	return find $path;
1217	or return;
1218	}	1430	}
1219		1431
1220	$cf::MAP{$key} = $map	1432	$cf::MAP{$path} = $map
1221	}	1433	}
1222	}	1434	}
		1435
		1436	sub pre_load { }
		1437	sub post_load { }
1223		1438
1224	sub load {	1439	sub load {
1225	my ($self) = @_;	1440	my ($self) = @_;
1226		1441
		1442	local $self->{deny_reset} = 1; # loading can take a long time
		1443
1227	my $path = $self->{path};	1444	my $path = $self->{path};
1228	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1445	my $guard = cf::lock_acquire "map_load:$path";
1229		1446
1230	return if $self->in_memory != cf::MAP_SWAPPED;	1447	return if $self->in_memory != cf::MAP_SWAPPED;
1231		1448
1232	$self->in_memory (cf::MAP_LOADING);	1449	$self->in_memory (cf::MAP_LOADING);
1233		1450
1234	$self->alloc;	1451	$self->alloc;
		1452
		1453	$self->pre_load;
		1454
1235	$self->load_objects ($self->{load_path}, 1)	1455	$self->_load_objects ($self->{load_path}, 1)
1236	or return;	1456	or return;
1237		1457
1238	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1458	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1239	if delete $self->{load_original};	1459	if delete $self->{load_original};
1240		1460
1241	if (my $uniq = $path->uniq_path) {	1461	if (my $uniq = $self->uniq_path) {
1242	utf8::encode $uniq;	1462	utf8::encode $uniq;
1243	if (aio_open $uniq, O_RDONLY, 0) {	1463	if (aio_open $uniq, O_RDONLY, 0) {
1244	$self->clear_unique_items;	1464	$self->clear_unique_items;
1245	$self->load_objects ($uniq, 0);	1465	$self->_load_objects ($uniq, 0);
1246	}	1466	}
1247	}	1467	}
1248		1468
1249	Coro::cede;	1469	Coro::cede;
1250		1470
1251	# now do the right thing for maps	1471	# now do the right thing for maps
1252	$self->link_multipart_objects;	1472	$self->link_multipart_objects;
1253		1473
1254	if ($self->{path}->is_style_map) {	1474	unless ($self->{deny_activate}) {
1255	$self->{deny_save} = 1;	1475	$self->decay_objects;
1256	$self->{deny_reset} = 1;
1257	} else {
1258	$self->fix_auto_apply;	1476	$self->fix_auto_apply;
1259	$self->decay_objects;
1260	$self->update_buttons;	1477	$self->update_buttons;
		1478	Coro::cede;
1261	$self->set_darkness_map;	1479	$self->set_darkness_map;
1262	$self->difficulty ($self->estimate_difficulty)	1480	$self->difficulty ($self->estimate_difficulty)
1263	unless $self->difficulty;	1481	unless $self->difficulty;
		1482	Coro::cede;
1264	$self->activate;	1483	$self->activate;
1265	}	1484	}
1266		1485
1267	Coro::cede;	1486	$self->post_load;
1268		1487
1269	$self->in_memory (cf::MAP_IN_MEMORY);	1488	$self->in_memory (cf::MAP_IN_MEMORY);
		1489	}
		1490
		1491	sub customise_for {
		1492	my ($self, $ob) = @_;
		1493
		1494	return find "~" . $ob->name . "/" . $self->{path}
		1495	if $self->per_player;
		1496
		1497	$self
		1498	}
		1499
		1500	# find and load all maps in the 3x3 area around a map
		1501	sub load_diag {
		1502	my ($map) = @_;
		1503
		1504	my @diag; # diagonal neighbours
		1505
		1506	for (0 .. 3) {
		1507	my $neigh = $map->tile_path ($_)
		1508	or next;
		1509	$neigh = find $neigh, $map
		1510	or next;
		1511	$neigh->load;
		1512
		1513	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1514	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1515	}
		1516
		1517	for (@diag) {
		1518	my $neigh = find @$_
		1519	or next;
		1520	$neigh->load;
		1521	}
1270	}	1522	}
1271		1523
1272	sub find_sync {	1524	sub find_sync {
1273	my ($path, $origin) = @_;	1525	my ($path, $origin) = @_;
1274		1526
1275	cf::sync_job {	1527	cf::sync_job { find $path, $origin }
1276	my $map = cf::map::find $path, $origin;
1277	$map
1278	}
1279	}	1528	}
1280		1529
1281	sub do_load_sync {	1530	sub do_load_sync {
1282	my ($map) = @_;	1531	my ($map) = @_;
1283		1532
1284	cf::sync_job { $map->load };	1533	cf::sync_job { $map->load };
1285	}	1534	}
1286		1535
		1536	our %MAP_PREFETCH;
		1537	our $MAP_PREFETCHER = undef;
		1538
		1539	sub find_async {
		1540	my ($path, $origin) = @_;
		1541
		1542	$path = normalise $path, $origin && $origin->{path};
		1543
		1544	if (my $map = $cf::MAP{$path}) {
		1545	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1546	}
		1547
		1548	undef $MAP_PREFETCH{$path};
		1549	$MAP_PREFETCHER ||= cf::async {
		1550	while (%MAP_PREFETCH) {
		1551	for my $path (keys %MAP_PREFETCH) {
		1552	my $map = find $path
		1553	or next;
		1554	$map->load;
		1555
		1556	delete $MAP_PREFETCH{$path};
		1557	}
		1558	}
		1559	undef $MAP_PREFETCHER;
		1560	};
		1561	$MAP_PREFETCHER->prio (6);
		1562
		1563	()
		1564	}
		1565
1287	sub save {	1566	sub save {
1288	my ($self) = @_;	1567	my ($self) = @_;
1289		1568
1290	my $lock = cf::lock_acquire "map_data:" . $self->path;	1569	my $lock = cf::lock_acquire "map_data:" . $self->path;
1291		1570
1292	$self->{last_save} = $cf::RUNTIME;	1571	$self->{last_save} = $cf::RUNTIME;
1293		1572
1294	return unless $self->dirty;	1573	return unless $self->dirty;
1295		1574
1296	my $save = $self->{path}->save_path; utf8::encode $save;	1575	my $save = $self->save_path; utf8::encode $save;
1297	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1576	my $uniq = $self->uniq_path; utf8::encode $uniq;
1298		1577
1299	$self->{load_path} = $save;	1578	$self->{load_path} = $save;
1300		1579
1301	return if $self->{deny_save};	1580	return if $self->{deny_save};
1302		1581
1303	local $self->{last_access} = $self->last_access;#d#	1582	local $self->{last_access} = $self->last_access;#d#
1304		1583
		1584	cf::async {
		1585	$_->contr->save for $self->players;
		1586	};
		1587
1305	if ($uniq) {	1588	if ($uniq) {
1306	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1589	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1307	$self->save_objects ($uniq, cf::IO_UNIQUES);	1590	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1308	} else {	1591	} else {
1309	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1310	}	1593	}
1311	}	1594	}
1312		1595
1313	sub swap_out {	1596	sub swap_out {
1314	my ($self) = @_;	1597	my ($self) = @_;
…		…
1328		1611
1329	sub reset_at {	1612	sub reset_at {
1330	my ($self) = @_;	1613	my ($self) = @_;
1331		1614
1332	# TODO: safety, remove and allow resettable per-player maps	1615	# TODO: safety, remove and allow resettable per-player maps
1333	return 1e99 if $self->{path}{user_rel};	1616	return 1e99 if $self->isa ("ext::map_per_player");#d#
1334	return 1e99 if $self->{deny_reset};	1617	return 1e99 if $self->{deny_reset};
1335		1618
1336	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1619	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1337	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1620	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1338		1621
…		…
1343	my ($self) = @_;	1626	my ($self) = @_;
1344		1627
1345	$self->reset_at <= $cf::RUNTIME	1628	$self->reset_at <= $cf::RUNTIME
1346	}	1629	}
1347		1630
1348	sub unlink_save {
1349	my ($self) = @_;
1350
1351	utf8::encode (my $save = $self->{path}->save_path);
1352	aioreq_pri 3; IO::AIO::aio_unlink $save;
1353	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1354	}
1355
1356	sub rename {
1357	my ($self, $new_path) = @_;
1358
1359	$self->unlink_save;
1360
1361	delete $cf::MAP{$self->path};
1362	$self->{path} = new cf::path $new_path;
1363	$self->path ($self->{path}->as_string);
1364	$cf::MAP{$self->path} = $self;
1365
1366	$self->save;
1367	}
1368
1369	sub reset {	1631	sub reset {
1370	my ($self) = @_;	1632	my ($self) = @_;
1371		1633
1372	my $lock = cf::lock_acquire "map_data:" . $self->path;	1634	my $lock = cf::lock_acquire "map_data:$self->{path}";
1373		1635
1374	return if $self->players;	1636	return if $self->players;
1375	return if $self->{path}{user_rel};#d#	1637	return if $self->isa ("ext::map_per_player");#d#
1376		1638
1377	warn "resetting map ", $self->path;#d#	1639	warn "resetting map ", $self->path;#d#
1378		1640
		1641	$self->in_memory (cf::MAP_SWAPPED);
		1642
		1643	# need to save uniques path
		1644	unless ($self->{deny_save}) {
		1645	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1646
		1647	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1648	if $uniq;
		1649	}
		1650
1379	delete $cf::MAP{$self->path};	1651	delete $cf::MAP{$self->path};
		1652
		1653	$self->clear;
1380		1654
1381	$_->clear_links_to ($self) for values %cf::MAP;	1655	$_->clear_links_to ($self) for values %cf::MAP;
1382		1656
1383	$self->unlink_save;	1657	$self->unlink_save;
1384	$self->destroy;	1658	$self->destroy;
…		…
1387	my $nuke_counter = "aaaa";	1661	my $nuke_counter = "aaaa";
1388		1662
1389	sub nuke {	1663	sub nuke {
1390	my ($self) = @_;	1664	my ($self) = @_;
1391		1665
		1666	delete $cf::MAP{$self->path};
		1667
		1668	$self->unlink_save;
		1669
		1670	bless $self, "cf::map";
		1671	delete $self->{deny_reset};
1392	$self->{deny_save} = 1;	1672	$self->{deny_save} = 1;
1393	$self->reset_timeout (1);	1673	$self->reset_timeout (1);
1394	$self->rename ("{nuke}/" . ($nuke_counter++));	1674	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1675
		1676	$cf::MAP{$self->path} = $self;
		1677
1395	$self->reset; # polite request, might not happen	1678	$self->reset; # polite request, might not happen
1396	}	1679	}
1397		1680
1398	sub customise_for {	1681	=item cf::map::unique_maps
1399	my ($map, $ob) = @_;
1400		1682
1401	if ($map->per_player) {	1683	Returns an arrayref of paths of all shared maps that have
1402	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1684	instantiated unique items. May block.
1403	}
1404		1685
1405	$map	1686	=cut
1406	}
1407		1687
1408	sub emergency_save {	1688	sub unique_maps() {
1409	my $freeze_guard = cf::freeze_mainloop;	1689	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1690	or return;
1410		1691
1411	warn "enter emergency map save\n";	1692	my @paths;
1412		1693
1413	cf::sync_job {	1694	for (@$files) {
1414	warn "begin emergency map save\n";	1695	utf8::decode $_;
1415	$_->save for values %cf::MAP;	1696	next if /\.pst$/;
		1697	next unless /^$PATH_SEP/o;
		1698
		1699	push @paths, cf::map::normalise $_;
1416	};	1700	}
1417		1701
1418	warn "end emergency map save\n";	1702	\@paths
1419	}	1703	}
1420		1704
1421	package cf;	1705	package cf;
1422		1706
1423	=back	1707	=back
1424		1708
		1709	=head3 cf::object
		1710
		1711	=cut
		1712
		1713	package cf::object;
		1714
		1715	=over 4
		1716
		1717	=item $ob->inv_recursive
		1718
		1719	Returns the inventory of the object _and_ their inventories, recursively.
		1720
		1721	=cut
		1722
		1723	sub inv_recursive_;
		1724	sub inv_recursive_ {
		1725	map { $_, inv_recursive_ $_->inv } @_
		1726	}
		1727
		1728	sub inv_recursive {
		1729	inv_recursive_ inv $_[0]
		1730	}
		1731
		1732	package cf;
		1733
		1734	=back
1425		1735
1426	=head3 cf::object::player	1736	=head3 cf::object::player
1427		1737
1428	=over 4	1738	=over 4
1429		1739
…		…
1469		1779
1470	=item $player_object->enter_link	1780	=item $player_object->enter_link
1471		1781
1472	Freezes the player and moves him/her to a special map (C<{link}>).	1782	Freezes the player and moves him/her to a special map (C<{link}>).
1473		1783
1474	The player should be reaosnably safe there for short amounts of time. You	1784	The player should be reasonably safe there for short amounts of time. You
1475	I<MUST> call C<leave_link> as soon as possible, though.	1785	I<MUST> call C<leave_link> as soon as possible, though.
1476		1786
		1787	Will never block.
		1788
1477	=item $player_object->leave_link ($map, $x, $y)	1789	=item $player_object->leave_link ($map, $x, $y)
1478		1790
1479	Moves the player out of the specila link map onto the given map. If the	1791	Moves the player out of the special C<{link}> map onto the specified
1480	map is not valid (or omitted), the player will be moved back to the	1792	map. If the map is not valid (or omitted), the player will be moved back
1481	location he/she was before the call to C<enter_link>, or, if that fails,	1793	to the location he/she was before the call to C<enter_link>, or, if that
1482	to the emergency map position.	1794	fails, to the emergency map position.
1483		1795
1484	Might block.	1796	Might block.
1485		1797
1486	=cut	1798	=cut
		1799
		1800	sub link_map {
		1801	unless ($LINK_MAP) {
		1802	$LINK_MAP = cf::map::find "{link}"
		1803	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1804	$LINK_MAP->load;
		1805	}
		1806
		1807	$LINK_MAP
		1808	}
1487		1809
1488	sub cf::object::player::enter_link {	1810	sub cf::object::player::enter_link {
1489	my ($self) = @_;	1811	my ($self) = @_;
1490		1812
1491	$self->deactivate_recursive;	1813	$self->deactivate_recursive;
1492		1814
1493	return if $self->map == $LINK_MAP;	1815	return if UNIVERSAL::isa $self->map, "ext::map_link";
1494		1816
1495	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1817	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1496	if $self->map;	1818	if $self->map;
1497		1819
1498	$self->enter_map ($LINK_MAP, 20, 20);	1820	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1499	}	1821	}
1500		1822
1501	sub cf::object::player::leave_link {	1823	sub cf::object::player::leave_link {
1502	my ($self, $map, $x, $y) = @_;	1824	my ($self, $map, $x, $y) = @_;
1503		1825
…		…
1521	# use -1 or undef as default coordinates, not 0, 0	1843	# use -1 or undef as default coordinates, not 0, 0
1522	($x, $y) = ($map->enter_x, $map->enter_y)	1844	($x, $y) = ($map->enter_x, $map->enter_y)
1523	if $x <=0 && $y <= 0;	1845	if $x <=0 && $y <= 0;
1524		1846
1525	$map->load;	1847	$map->load;
		1848	$map->load_diag;
1526		1849
		1850	return unless $self->contr->active;
1527	$self->activate_recursive;	1851	$self->activate_recursive;
		1852
		1853	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1528	$self->enter_map ($map, $x, $y);	1854	$self->enter_map ($map, $x, $y);
1529	}	1855	}
1530		1856
1531	cf::player->attach (	1857	cf::player->attach (
1532	on_logout => sub {	1858	on_logout => sub {
…		…
1543	my ($pl) = @_;	1869	my ($pl) = @_;
1544		1870
1545	# try to abort aborted map switching on player login :)	1871	# try to abort aborted map switching on player login :)
1546	# should happen only on crashes	1872	# should happen only on crashes
1547	if ($pl->ob->{_link_pos}) {	1873	if ($pl->ob->{_link_pos}) {
1548
1549	$pl->ob->enter_link;	1874	$pl->ob->enter_link;
1550	(Coro::async_pool {	1875	(async {
		1876	$pl->ob->reply (undef,
		1877	"There was an internal problem at your last logout, "
		1878	. "the server will try to bring you to your intended destination in a second.",
		1879	cf::NDI_RED);
1551	# we need this sleep as the login has a concurrent enter_exit running	1880	# we need this sleep as the login has a concurrent enter_exit running
1552	# and this sleep increases chances of the player not ending up in scorn	1881	# and this sleep increases chances of the player not ending up in scorn
1553	Coro::Timer::sleep 1;	1882	Coro::Timer::sleep 1;
1554	$pl->ob->leave_link;	1883	$pl->ob->leave_link;
1555	})->prio (2);	1884	})->prio (2);
…		…
1564	sub cf::object::player::goto {	1893	sub cf::object::player::goto {
1565	my ($self, $path, $x, $y) = @_;	1894	my ($self, $path, $x, $y) = @_;
1566		1895
1567	$self->enter_link;	1896	$self->enter_link;
1568		1897
1569	(Coro::async_pool {	1898	(async {
1570	$path = new cf::path $path;	1899	my $map = eval {
1571
1572	my $map = cf::map::find $path->as_string;	1900	my $map = cf::map::find $path;
1573	$map = $map->customise_for ($self) if $map;	1901	$map = $map->customise_for ($self) if $map;
1574		1902	$map
1575	# warn "entering ", $map->path, " at ($x, $y)\n"	1903	} or
1576	# if $map;
1577
1578	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1904	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1579		1905
1580	$self->leave_link ($map, $x, $y);	1906	$self->leave_link ($map, $x, $y);
1581	})->prio (1);	1907	})->prio (1);
1582	}	1908	}
1583		1909
…		…
1587		1913
1588	sub parse_random_map_params {	1914	sub parse_random_map_params {
1589	my ($spec) = @_;	1915	my ($spec) = @_;
1590		1916
1591	my $rmp = { # defaults	1917	my $rmp = { # defaults
1592	xsize => 10,	1918	xsize => (cf::rndm 15, 40),
1593	ysize => 10,	1919	ysize => (cf::rndm 15, 40),
		1920	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1921	#layout => string,
1594	};	1922	};
1595		1923
1596	for (split /\n/, $spec) {	1924	for (split /\n/, $spec) {
1597	my ($k, $v) = split /\s+/, $_, 2;	1925	my ($k, $v) = split /\s+/, $_, 2;
1598		1926
…		…
1602	$rmp	1930	$rmp
1603	}	1931	}
1604		1932
1605	sub prepare_random_map {	1933	sub prepare_random_map {
1606	my ($exit) = @_;	1934	my ($exit) = @_;
		1935
		1936	my $guard = cf::lock_acquire "exit_prepare:$exit";
1607		1937
1608	# all this does is basically replace the /! path by	1938	# all this does is basically replace the /! path by
1609	# a new random map path (?random/...) with a seed	1939	# a new random map path (?random/...) with a seed
1610	# that depends on the exit object	1940	# that depends on the exit object
1611		1941
1612	my $rmp = parse_random_map_params $exit->msg;	1942	my $rmp = parse_random_map_params $exit->msg;
1613		1943
1614	if ($exit->map) {	1944	if ($exit->map) {
1615	$rmp->{region} = $exit->map->region_name;	1945	$rmp->{region} = $exit->region->name;
1616	$rmp->{origin_map} = $exit->map->path;	1946	$rmp->{origin_map} = $exit->map->path;
1617	$rmp->{origin_x} = $exit->x;	1947	$rmp->{origin_x} = $exit->x;
1618	$rmp->{origin_y} = $exit->y;	1948	$rmp->{origin_y} = $exit->y;
1619	}	1949	}
1620		1950
1621	$rmp->{random_seed} ||= $exit->random_seed;	1951	$rmp->{random_seed} ||= $exit->random_seed;
1622		1952
1623	my $data = cf::to_json $rmp;	1953	my $data = cf::to_json $rmp;
1624	my $md5 = Digest::MD5::md5_hex $data;	1954	my $md5 = Digest::MD5::md5_hex $data;
		1955	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1625		1956
1626	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1957	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1627	aio_write $fh, 0, (length $data), $data, 0;	1958	aio_write $fh, 0, (length $data), $data, 0;
		1959	undef $fh;
		1960	aio_rename "$meta~", $meta;
1628		1961
1629	$exit->slaying ("?random/$md5");	1962	$exit->slaying ("?random/$md5");
1630	$exit->msg (undef);	1963	$exit->msg (undef);
1631	}	1964	}
1632	}	1965	}
…		…
1634	sub cf::object::player::enter_exit {	1967	sub cf::object::player::enter_exit {
1635	my ($self, $exit) = @_;	1968	my ($self, $exit) = @_;
1636		1969
1637	return unless $self->type == cf::PLAYER;	1970	return unless $self->type == cf::PLAYER;
1638		1971
		1972	if ($exit->slaying eq "/!") {
		1973	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1974	cf::sync_job { prepare_random_map $exit };
		1975	}
		1976
		1977	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1978	my $hp = $exit->stats->hp;
		1979	my $sp = $exit->stats->sp;
		1980
1639	$self->enter_link;	1981	$self->enter_link;
1640		1982
1641	(Coro::async_pool {	1983	(async {
1642	$self->deactivate_recursive; # just to be sure	1984	$self->deactivate_recursive; # just to be sure
1643	unless (eval {	1985	unless (eval {
1644	prepare_random_map $exit	1986	$self->goto ($slaying, $hp, $sp);
1645	if $exit->slaying eq "/!";
1646
1647	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1648	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1649		1987
1650	1;	1988	1;
1651	}) {	1989	}) {
1652	$self->message ("Something went wrong deep within the crossfire server. "	1990	$self->message ("Something went wrong deep within the crossfire server. "
1653	. "I'll try to bring you back to the map you were before. "	1991	. "I'll try to bring you back to the map you were before. "
1654	. "Please report this to the dungeon master",	1992	. "Please report this to the dungeon master!",
1655	cf::NDI_UNIQUE | cf::NDI_RED);	1993	cf::NDI_UNIQUE | cf::NDI_RED);
1656		1994
1657	warn "ERROR in enter_exit: $@";	1995	warn "ERROR in enter_exit: $@";
1658	$self->leave_link;	1996	$self->leave_link;
1659	}	1997	}
…		…
1673		2011
1674	sub cf::client::send_drawinfo {	2012	sub cf::client::send_drawinfo {
1675	my ($self, $text, $flags) = @_;	2013	my ($self, $text, $flags) = @_;
1676		2014
1677	utf8::encode $text;	2015	utf8::encode $text;
1678	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2016	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1679	}	2017	}
1680		2018
1681		2019
1682	=item $success = $client->query ($flags, "text", \&cb)	2020	=item $success = $client->query ($flags, "text", \&cb)
1683		2021
…		…
1714	# get handled first	2052	# get handled first
1715	my $queue = delete $ns->{query_queue}	2053	my $queue = delete $ns->{query_queue}
1716	or return; # be conservative, not sure how that can happen, but we saw a crash here	2054	or return; # be conservative, not sure how that can happen, but we saw a crash here
1717		2055
1718	(shift @$queue)->[1]->($msg);	2056	(shift @$queue)->[1]->($msg);
		2057	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1719		2058
1720	push @{ $ns->{query_queue} }, @$queue;	2059	push @{ $ns->{query_queue} }, @$queue;
1721		2060
1722	if (@{ $ns->{query_queue} } == @$queue) {	2061	if (@{ $ns->{query_queue} } == @$queue) {
1723	if (@$queue) {	2062	if (@$queue) {
…		…
1727	}	2066	}
1728	}	2067	}
1729	},	2068	},
1730	);	2069	);
1731		2070
1732	=item $client->coro (\&cb)	2071	=item $client->async (\&cb)
1733		2072
1734	Create a new coroutine, running the specified callback. The coroutine will	2073	Create a new coroutine, running the specified callback. The coroutine will
1735	be automatically cancelled when the client gets destroyed (e.g. on logout,	2074	be automatically cancelled when the client gets destroyed (e.g. on logout,
1736	or loss of connection).	2075	or loss of connection).
1737		2076
1738	=cut	2077	=cut
1739		2078
1740	sub cf::client::coro {	2079	sub cf::client::async {
1741	my ($self, $cb) = @_;	2080	my ($self, $cb) = @_;
1742		2081
1743	my $coro = &Coro::async_pool ($cb);	2082	my $coro = &Coro::async ($cb);
1744		2083
1745	$coro->on_destroy (sub {	2084	$coro->on_destroy (sub {
1746	delete $self->{_coro}{$coro+0};	2085	delete $self->{_coro}{$coro+0};
1747	});	2086	});
1748		2087
…		…
1781		2120
1782	# here we export the classes and methods available to script code	2121	# here we export the classes and methods available to script code
1783		2122
1784	=pod	2123	=pod
1785		2124
1786	The following fucntions and emthods are available within a safe environment:	2125	The following functions and methods are available within a safe environment:
1787		2126
1788	cf::object contr pay_amount pay_player map	2127	cf::object contr pay_amount pay_player map
1789	cf::object::player player	2128	cf::object::player player
1790	cf::player peaceful	2129	cf::player peaceful
1791	cf::map trigger	2130	cf::map trigger
…		…
1884	The parameter C<$family> should best start with the name of the extension	2223	The parameter C<$family> should best start with the name of the extension
1885	using it, it should be unique.	2224	using it, it should be unique.
1886		2225
1887	=over 4	2226	=over 4
1888		2227
1889	=item $hashref = cf::db_get $family
1890
1891	Return a hashref for use by the extension C<$family>, which can be
1892	modified. After modifications, you have to call C<cf::db_dirty> or
1893	C<cf::db_sync>.
1894
1895	=item $value = cf::db_get $family => $key	2228	=item $value = cf::db_get $family => $key
1896		2229
1897	Returns a single value from the database	2230	Returns a single value from the database.
1898
1899	=item cf::db_put $family => $hashref
1900
1901	Stores the given family hashref into the database. Updates are delayed, if
1902	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1903		2231
1904	=item cf::db_put $family => $key => $value	2232	=item cf::db_put $family => $key => $value
1905		2233
1906	Stores the given C<$value> in the family hash. Updates are delayed, if you	2234	Stores the given C<$value> in the family.
1907	want the data to be synced to disk immediately, use C<cf::db_sync>.
1908
1909	=item cf::db_dirty
1910
1911	Marks the database as dirty, to be updated at a later time.
1912
1913	=item cf::db_sync
1914
1915	Immediately write the database to disk I<if it is dirty>.
1916		2235
1917	=cut	2236	=cut
1918		2237
1919	our $DB;	2238	our $DB;
1920		2239
1921	{	2240	sub db_init {
		2241	unless ($DB) {
		2242	$DB = BDB::db_create $DB_ENV;
		2243
		2244	cf::sync_job {
		2245	eval {
		2246	$DB->set_flags (BDB::CHKSUM);
		2247
		2248	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2249	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2250	cf::cleanup "db_open(db): $!" if $!;
		2251	};
		2252	cf::cleanup "db_open(db): $@" if $@;
		2253	};
		2254
1922	my $path = cf::localdir . "/database.pst";	2255	my $path = cf::localdir . "/database.pst";
		2256	if (stat $path) {
		2257	cf::sync_job {
		2258	my $pst = Storable::retrieve $path;
1923		2259
1924	sub db_load() {	2260	cf::db_put (board => data => $pst->{board});
1925	$DB = stat $path ? Storable::retrieve $path : { };	2261	cf::db_put (guildrules => data => $pst->{guildrules});
1926	}	2262	cf::db_put (rent => balance => $pst->{rent}{balance});
		2263	BDB::db_env_txn_checkpoint $DB_ENV;
1927		2264
1928	my $pid;	2265	unlink $path;
1929
1930	sub db_save() {
1931	waitpid $pid, 0 if $pid;
1932	if (0 == ($pid = fork)) {
1933	$DB->{_meta}{version} = 1;
1934	Storable::nstore $DB, "$path~";
1935	rename "$path~", $path;
1936	cf::_exit 0 if defined $pid;
1937	}	2266	};
1938	}	2267	}
1939
1940	my $dirty;
1941
1942	sub db_sync() {
1943	db_save if $dirty;
1944	undef $dirty;
1945	}
1946
1947	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1948	db_sync;
1949	});	2268	}
		2269	}
1950		2270
1951	sub db_dirty() {
1952	$dirty = 1;
1953	$idle->start;
1954	}
1955
1956	sub db_get($;$) {	2271	sub db_get($$) {
1957	@_ >= 2	2272	my $key = "$_[0]/$_[1]";
1958	? $DB->{$_[0]}{$_[1]}
1959	: ($DB->{$_[0]} ||= { })
1960	}
1961		2273
		2274	cf::sync_job {
		2275	BDB::db_get $DB, undef, $key, my $data;
		2276
		2277	$! ? ()
		2278	: Compress::LZF::sthaw $data
		2279	}
		2280	}
		2281
1962	sub db_put($$;$) {	2282	sub db_put($$$) {
1963	if (@_ >= 3) {	2283	BDB::dbreq_pri 4;
1964	$DB->{$_[0]}{$_[1]} = $_[2];	2284	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2285	}
		2286
		2287	#############################################################################
		2288	# the server's init and main functions
		2289
		2290	sub load_facedata {
		2291	my $path = sprintf "%s/facedata", cf::datadir;
		2292
		2293	warn "loading facedata from $path\n";
		2294
		2295	my $faces;
		2296	0 < aio_load $path, $faces
		2297	or die "$path: $!";
		2298
		2299	Coro::cede;
		2300	$faces = Storable::thaw $faces;
		2301	Coro::cede;
		2302
		2303	my $meta = delete $faces->{""};
		2304	$meta->{version} == 1
		2305	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2306
		2307	while (my ($face, $info) = each %$faces) {
		2308	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2309	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2310	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2311	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2312	Coro::cede;
		2313	}
		2314
		2315	while (my ($face, $info) = each %$faces) {
		2316	next unless $info->{smooth};
		2317	my $idx = cf::face::find $face
		2318	or next;
		2319	if (my $smooth = cf::face::find $info->{smooth}) {
		2320	cf::face::set_smooth $idx, $smooth;
1965	} else {	2321	} else {
1966	$DB->{$_[0]} = $_[1];	2322	warn "smooth face '$info->{smooth}' not found for face '$face'";
1967	}
1968	db_dirty;
1969	}
1970
1971	cf::global->attach (
1972	prio => 10000,
1973	on_cleanup => sub {
1974	db_sync;
1975	},	2323	}
1976	);	2324	Coro::cede;
1977	}	2325	}
1978		2326
1979	#############################################################################	2327	1
1980	# the server's main()	2328	}
		2329
		2330	sub reload_resources {
		2331	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2332	or die "unable to load regions file\n";#d#
		2333	load_facedata
		2334	or die "unable to load facedata\n";#d#
		2335	}
		2336
		2337	sub init {
		2338	reload_resources;
		2339	}
1981		2340
1982	sub cfg_load {	2341	sub cfg_load {
1983	open my $fh, "<:utf8", cf::confdir . "/config"	2342	open my $fh, "<:utf8", cf::confdir . "/config"
1984	or return;	2343	or return;
1985		2344
…		…
1991	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2350	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
1992	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	2351	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
1993		2352
1994	if (exists $CFG{mlockall}) {	2353	if (exists $CFG{mlockall}) {
1995	eval {	2354	eval {
1996	$CFG{mlockall} ? &mlockall : &munlockall	2355	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1997	and die "WARNING: m(un)lockall failed: $!\n";	2356	and die "WARNING: m(un)lockall failed: $!\n";
1998	};	2357	};
1999	warn $@ if $@;	2358	warn $@ if $@;
2000	}	2359	}
2001	}	2360	}
2002		2361
2003	sub main {	2362	sub main {
2004	# we must not ever block the main coroutine	2363	# we must not ever block the main coroutine
2005	local $Coro::idle = sub {	2364	local $Coro::idle = sub {
2006	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2365	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2007	Coro::async_pool { Event::one_event };	2366	(async {
		2367	Event::one_event;
		2368	})->prio (Coro::PRIO_MAX);
2008	};	2369	};
2009		2370
2010	cfg_load;	2371	cfg_load;
2011	db_load;	2372	db_init;
2012	load_extensions;	2373	load_extensions;
		2374
		2375	$TICK_WATCHER->start;
2013	Event::loop;	2376	Event::loop;
2014	}	2377	}
2015		2378
2016	#############################################################################	2379	#############################################################################
2017	# initialisation	2380	# initialisation and cleanup
		2381
		2382	# install some emergency cleanup handlers
		2383	BEGIN {
		2384	for my $signal (qw(INT HUP TERM)) {
		2385	Event->signal (
		2386	reentrant => 0,
		2387	data => WF_AUTOCANCEL,
		2388	signal => $signal,
		2389	prio => 0,
		2390	cb => sub {
		2391	cf::cleanup "SIG$signal";
		2392	},
		2393	);
		2394	}
		2395	}
		2396
		2397	sub emergency_save() {
		2398	my $freeze_guard = cf::freeze_mainloop;
		2399
		2400	warn "enter emergency perl save\n";
		2401
		2402	cf::sync_job {
		2403	# use a peculiar iteration method to avoid tripping on perl
		2404	# refcount bugs in for. also avoids problems with players
		2405	# and maps saved/destroyed asynchronously.
		2406	warn "begin emergency player save\n";
		2407	for my $login (keys %cf::PLAYER) {
		2408	my $pl = $cf::PLAYER{$login} or next;
		2409	$pl->valid or next;
		2410	$pl->save;
		2411	}
		2412	warn "end emergency player save\n";
		2413
		2414	warn "begin emergency map save\n";
		2415	for my $path (keys %cf::MAP) {
		2416	my $map = $cf::MAP{$path} or next;
		2417	$map->valid or next;
		2418	$map->save;
		2419	}
		2420	warn "end emergency map save\n";
		2421
		2422	warn "begin emergency database checkpoint\n";
		2423	BDB::db_env_txn_checkpoint $DB_ENV;
		2424	warn "end emergency database checkpoint\n";
		2425	};
		2426
		2427	warn "leave emergency perl save\n";
		2428	}
		2429
		2430	sub post_cleanup {
		2431	my ($make_core) = @_;
		2432
		2433	warn Carp::longmess "post_cleanup backtrace"
		2434	if $make_core;
		2435	}
2018		2436
2019	sub reload() {	2437	sub reload() {
2020	# can/must only be called in main	2438	# can/must only be called in main
2021	if ($Coro::current != $Coro::main) {	2439	if ($Coro::current != $Coro::main) {
2022	warn "can only reload from main coroutine\n";	2440	warn "can only reload from main coroutine";
2023	return;	2441	return;
2024	}	2442	}
2025		2443
2026	warn "reloading...";	2444	warn "reloading...";
2027		2445
2028	my $guard = freeze_mainloop;	2446	warn "entering sync_job";
		2447
		2448	cf::sync_job {
		2449	cf::write_runtime; # external watchdog should not bark
2029	cf::emergency_save;	2450	cf::emergency_save;
		2451	cf::write_runtime; # external watchdog should not bark
2030		2452
2031	eval {	2453	warn "syncing database to disk";
		2454	BDB::db_env_txn_checkpoint $DB_ENV;
		2455
2032	# if anything goes wrong in here, we should simply crash as we already saved	2456	# if anything goes wrong in here, we should simply crash as we already saved
2033		2457
2034	# cancel all watchers	2458	warn "cancelling all WF_AUTOCANCEL watchers";
2035	for (Event::all_watchers) {	2459	for (Event::all_watchers) {
2036	$_->cancel if $_->data & WF_AUTOCANCEL;	2460	$_->cancel if $_->data & WF_AUTOCANCEL;
2037	}	2461	}
2038		2462
		2463	warn "flushing outstanding aio requests";
		2464	for (;;) {
		2465	BDB::flush;
		2466	IO::AIO::flush;
		2467	Coro::cede;
		2468	last unless IO::AIO::nreqs || BDB::nreqs;
		2469	warn "iterate...";
		2470	}
		2471
		2472	++$RELOAD;
		2473
2039	# cancel all extension coros	2474	warn "cancelling all extension coros";
2040	$_->cancel for values %EXT_CORO;	2475	$_->cancel for values %EXT_CORO;
2041	%EXT_CORO = ();	2476	%EXT_CORO = ();
2042		2477
2043	# unload all extensions	2478	warn "removing commands";
2044	for (@exts) {	2479	%COMMAND = ();
		2480
		2481	warn "removing ext commands";
		2482	%EXTCMD = ();
		2483
		2484	warn "unloading/nuking all extensions";
		2485	for my $pkg (@EXTS) {
2045	warn "unloading <$_>";	2486	warn "... unloading $pkg";
2046	unload_extension $_;	2487
		2488	if (my $cb = $pkg->can ("unload")) {
		2489	eval {
		2490	$cb->($pkg);
		2491	1
		2492	} or warn "$pkg unloaded, but with errors: $@";
2047	}	2493	}
2048		2494
		2495	warn "... nuking $pkg";
		2496	Symbol::delete_package $pkg;
		2497	}
		2498
2049	# unload all modules loaded from $LIBDIR	2499	warn "unloading all perl modules loaded from $LIBDIR";
2050	while (my ($k, $v) = each %INC) {	2500	while (my ($k, $v) = each %INC) {
2051	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2501	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2052		2502
2053	warn "removing <$k>";	2503	warn "... unloading $k";
2054	delete $INC{$k};	2504	delete $INC{$k};
2055		2505
2056	$k =~ s/\.pm$//;	2506	$k =~ s/\.pm$//;
2057	$k =~ s/\//::/g;	2507	$k =~ s/\//::/g;
2058		2508
…		…
2061	}	2511	}
2062		2512
2063	Symbol::delete_package $k;	2513	Symbol::delete_package $k;
2064	}	2514	}
2065		2515
2066	# sync database to disk
2067	cf::db_sync;
2068	IO::AIO::flush;
2069
2070	# get rid of safe::, as good as possible	2516	warn "getting rid of safe::, as good as possible";
2071	Symbol::delete_package "safe::$_"	2517	Symbol::delete_package "safe::$_"
2072	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2518	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2073		2519
2074	# remove register_script_function callbacks
2075	# TODO
2076
2077	# unload cf.pm "a bit"	2520	warn "unloading cf.pm \"a bit\"";
2078	delete $INC{"cf.pm"};	2521	delete $INC{"cf.pm"};
2079		2522
2080	# don't, removes xs symbols, too,	2523	# don't, removes xs symbols, too,
2081	# and global variables created in xs	2524	# and global variables created in xs
2082	#Symbol::delete_package __PACKAGE__;	2525	#Symbol::delete_package __PACKAGE__;
2083		2526
2084	# reload cf.pm	2527	warn "unload completed, starting to reload now";
		2528
2085	warn "reloading cf.pm";	2529	warn "reloading cf.pm";
2086	require cf;	2530	require cf;
2087	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2088		2532
2089	# load config and database again	2533	warn "loading config and database again";
2090	cf::cfg_load;	2534	cf::cfg_load;
2091	cf::db_load;
2092		2535
2093	# load extensions
2094	warn "load extensions";	2536	warn "loading extensions";
2095	cf::load_extensions;	2537	cf::load_extensions;
2096		2538
2097	# reattach attachments to objects	2539	warn "reattaching attachments to objects/players";
2098	warn "reattach";	2540	_global_reattach; # objects, sockets
2099	_global_reattach;	2541	warn "reattaching attachments to maps";
2100	};	2542	reattach $_ for values %MAP;
		2543	warn "reattaching attachments to players";
		2544	reattach $_ for values %PLAYER;
2101		2545
2102	if ($@) {	2546	warn "loading reloadable resources";
		2547	reload_resources;
		2548
		2549	warn "leaving sync_job";
		2550
		2551	1
		2552	} or do {
2103	warn $@;	2553	warn $@;
2104	warn "error while reloading, exiting.";	2554	warn "error while reloading, exiting.";
2105	exit 1;	2555	exit 1;
2106	}	2556	};
2107		2557
2108	warn "reloaded successfully";	2558	warn "reloaded";
2109	};	2559	};
2110		2560
2111	#############################################################################	2561	our $RELOAD_WATCHER; # used only during reload
2112
2113	unless ($LINK_MAP) {
2114	$LINK_MAP = cf::map::new;
2115
2116	$LINK_MAP->width (41);
2117	$LINK_MAP->height (41);
2118	$LINK_MAP->alloc;
2119	$LINK_MAP->path ("{link}");
2120	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2121	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2122
2123	# dirty hack because... archetypes are not yet loaded
2124	Event->timer (
2125	after => 2,
2126	cb => sub {
2127	$_[0]->w->cancel;
2128
2129	# provide some exits "home"
2130	my $exit = cf::object::new "exit";
2131
2132	$exit->slaying ($EMERGENCY_POSITION->[0]);
2133	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2134	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2135
2136	$LINK_MAP->insert ($exit->clone, 19, 19);
2137	$LINK_MAP->insert ($exit->clone, 19, 20);
2138	$LINK_MAP->insert ($exit->clone, 19, 21);
2139	$LINK_MAP->insert ($exit->clone, 20, 19);
2140	$LINK_MAP->insert ($exit->clone, 20, 21);
2141	$LINK_MAP->insert ($exit->clone, 21, 19);
2142	$LINK_MAP->insert ($exit->clone, 21, 20);
2143	$LINK_MAP->insert ($exit->clone, 21, 21);
2144
2145	$exit->destroy;
2146	});
2147
2148	$LINK_MAP->{deny_save} = 1;
2149	$LINK_MAP->{deny_reset} = 1;
2150
2151	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2152	}
2153
2154	register "<global>", __PACKAGE__;
2155		2562
2156	register_command "reload" => sub {	2563	register_command "reload" => sub {
2157	my ($who, $arg) = @_;	2564	my ($who, $arg) = @_;
2158		2565
2159	if ($who->flag (FLAG_WIZ)) {	2566	if ($who->flag (FLAG_WIZ)) {
2160	$who->message ("start of reload.");	2567	$who->message ("reloading server.");
		2568
		2569	# doing reload synchronously and two reloads happen back-to-back,
		2570	# coro crashes during coro_state_free->destroy here.
		2571
		2572	$RELOAD_WATCHER ||= Event->timer (
		2573	reentrant => 0,
		2574	after => 0,
		2575	data => WF_AUTOCANCEL,
		2576	cb => sub {
2161	reload;	2577	reload;
2162	$who->message ("end of reload.");	2578	undef $RELOAD_WATCHER;
		2579	},
		2580	);
2163	}	2581	}
2164	};	2582	};
2165		2583
2166	unshift @INC, $LIBDIR;	2584	unshift @INC, $LIBDIR;
		2585
		2586	my $bug_warning = 0;
2167		2587
2168	$TICK_WATCHER = Event->timer (	2588	$TICK_WATCHER = Event->timer (
2169	reentrant => 0,	2589	reentrant => 0,
		2590	parked => 1,
2170	prio => 0,	2591	prio => 0,
2171	at => $NEXT_TICK || $TICK,	2592	at => $NEXT_TICK || $TICK,
2172	data => WF_AUTOCANCEL,	2593	data => WF_AUTOCANCEL,
2173	cb => sub {	2594	cb => sub {
		2595	if ($Coro::current != $Coro::main) {
		2596	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2597	unless ++$bug_warning > 10;
		2598	return;
		2599	}
		2600
		2601	$NOW = Event::time;
		2602
2174	cf::server_tick; # one server iteration	2603	cf::server_tick; # one server iteration
2175	$RUNTIME += $TICK;	2604	$RUNTIME += $TICK;
2176	$NEXT_TICK += $TICK;	2605	$NEXT_TICK += $TICK;
		2606
		2607	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2608	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2609	Coro::async_pool {
		2610	write_runtime
		2611	or warn "ERROR: unable to write runtime file: $!";
		2612	};
		2613	}
		2614
		2615	$WAIT_FOR_TICK->broadcast;
		2616	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2617
		2618	# my $AFTER = Event::time;
		2619	# warn $AFTER - $NOW;#d#
2177		2620
2178	# if we are delayed by four ticks or more, skip them all	2621	# if we are delayed by four ticks or more, skip them all
2179	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2622	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2180		2623
2181	$TICK_WATCHER->at ($NEXT_TICK);	2624	$TICK_WATCHER->at ($NEXT_TICK);
2182	$TICK_WATCHER->start;	2625	$TICK_WATCHER->start;
2183	},	2626	},
2184	);	2627	);
2185		2628
		2629	{
2186	IO::AIO::max_poll_time $TICK * 0.2;	2630	BDB::max_poll_time $TICK * 0.1;
2187		2631	$BDB_POLL_WATCHER = Event->io (
2188	Event->io (	2632	reentrant => 0,
2189	fd => IO::AIO::poll_fileno,	2633	fd => BDB::poll_fileno,
2190	poll => 'r',	2634	poll => 'r',
2191	prio => 5,	2635	prio => 0,
2192	data => WF_AUTOCANCEL,
2193	cb => \&IO::AIO::poll_cb,
2194	);
2195
2196	Event->timer (
2197	data => WF_AUTOCANCEL,	2636	data => WF_AUTOCANCEL,
2198	after => 0,	2637	cb => \&BDB::poll_cb,
2199	interval => 10,	2638	);
2200	cb => sub {	2639	BDB::min_parallel 8;
2201	(Coro::unblock_sub {	2640
2202	write_runtime	2641	BDB::set_sync_prepare {
2203	or warn "ERROR: unable to write runtime file: $!";	2642	my $status;
		2643	my $current = $Coro::current;
		2644	(
		2645	sub {
		2646	$status = $!;
		2647	$current->ready; undef $current;
		2648	},
		2649	sub {
		2650	Coro::schedule while defined $current;
		2651	$! = $status;
		2652	},
		2653	)
		2654	};
		2655
		2656	unless ($DB_ENV) {
		2657	$DB_ENV = BDB::db_env_create;
		2658
		2659	cf::sync_job {
		2660	eval {
		2661	BDB::db_env_open
		2662	$DB_ENV,
		2663	$BDB_ENV_DIR,
		2664	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2665	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2666	0666;
		2667
		2668	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2669
		2670	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2671	$DB_ENV->set_lk_detect;
		2672	};
		2673
		2674	cf::cleanup "db_env_open(db): $@" if $@;
2204	})->();	2675	};
2205	},	2676	}
2206	);	2677	}
		2678
		2679	{
		2680	IO::AIO::min_parallel 8;
		2681
		2682	undef $Coro::AIO::WATCHER;
		2683	IO::AIO::max_poll_time $TICK * 0.1;
		2684	$AIO_POLL_WATCHER = Event->io (
		2685	reentrant => 0,
		2686	data => WF_AUTOCANCEL,
		2687	fd => IO::AIO::poll_fileno,
		2688	poll => 'r',
		2689	prio => 6,
		2690	cb => \&IO::AIO::poll_cb,
		2691	);
		2692	}
2207		2693
2208	END { cf::emergency_save }	2694	END { cf::emergency_save }
2209		2695
2210	1	2696	1
2211		2697

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