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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.136 by root, Fri Jan 5 01:06:28 2007 UTC vs.
Revision 1.229 by root, Sun Apr 1 00:36:34 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 (2); # 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
…		…
221	# wake up all waiters, to be on the safe side	260	# wake up all waiters, to be on the safe side
222	$_->ready for @{ delete $LOCK{$key} };	261	$_->ready for @{ delete $LOCK{$key} };
223	}	262	}
224	}	263	}
225		264
226	=item cf::async { BLOCK }
227
228	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
229	error instead of exiting the server in case of a problem.
230
231	=cut
232
233	sub async(&) {
234	my ($cb) = @_;
235
236	Coro::async {
237	eval { $cb->() };
238	warn $@ if $@;
239	}
240	}
241
242	sub freeze_mainloop {	265	sub freeze_mainloop {
243	return unless $TICK_WATCHER->is_active;	266	return unless $TICK_WATCHER->is_active;
244		267
245	my $guard = Coro::guard { $TICK_WATCHER->start };	268	my $guard = Coro::guard {
		269	$TICK_WATCHER->start;
		270	};
246	$TICK_WATCHER->stop;	271	$TICK_WATCHER->stop;
247	$guard	272	$guard
248	}	273	}
		274
		275	=item cf::async { BLOCK }
		276
		277	Currently the same as Coro::async_pool, meaning you cannot use
		278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		279	thing you are allowed to do is call C<prio> on it.
		280
		281	=cut
		282
		283	BEGIN { *async = \&Coro::async_pool }
249		284
250	=item cf::sync_job { BLOCK }	285	=item cf::sync_job { BLOCK }
251		286
252	The design of crossfire+ requires that the main coro ($Coro::main) is	287	The design of crossfire+ requires that the main coro ($Coro::main) is
253	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
…		…
272	my $freeze_guard = freeze_mainloop;	307	my $freeze_guard = freeze_mainloop;
273		308
274	my $busy = 1;	309	my $busy = 1;
275	my @res;	310	my @res;
276		311
277	(Coro::async {	312	(async {
278	@res = eval { $job->() };	313	@res = eval { $job->() };
279	warn $@ if $@;	314	warn $@ if $@;
280	undef $busy;	315	undef $busy;
281	})->prio (Coro::PRIO_MAX);	316	})->prio (Coro::PRIO_MAX);
282		317
283	while ($busy) {	318	while ($busy) {
284	Coro::cede_notself;	319	Coro::cede or Event::one_event;
285	Event::one_event unless Coro::nready;
286	}	320	}
287		321
288	wantarray ? @res : $res[0]	322	wantarray ? @res : $res[0]
289	} else {	323	} else {
290	# we are in another coroutine, how wonderful, everything just works	324	# we are in another coroutine, how wonderful, everything just works
291		325
292	$job->()	326	$job->()
293	}	327	}
294	}	328	}
295		329
296	=item $coro = cf::coro { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
297		331
298	Creates and returns a new coro. This coro is automcatially being canceled	332	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	333	extension calling this is being unloaded.
300		334
301	=cut	335	=cut
302		336
303	sub coro(&) {	337	sub async_ext(&) {
304	my $cb = shift;	338	my $cb = shift;
305		339
306	my $coro = &cf::async ($cb);	340	my $coro = &Coro::async ($cb);
307		341
308	$coro->on_destroy (sub {	342	$coro->on_destroy (sub {
309	delete $EXT_CORO{$coro+0};	343	delete $EXT_CORO{$coro+0};
310	});	344	});
311	$EXT_CORO{$coro+0} = $coro;	345	$EXT_CORO{$coro+0} = $coro;
312		346
313	$coro	347	$coro
314	}	348	}
315		349
316	sub write_runtime {	350	sub write_runtime {
		351	my $guard = cf::lock_acquire "write_runtime";
		352
317	my $runtime = cf::localdir . "/runtime";	353	my $runtime = cf::localdir . "/runtime";
318		354
319	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
320	or return;	356	or return;
321		357
		358	my $value = $cf::RUNTIME + 90 + 10;
322	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
323	(aio_write $fh, 0, (length $value), $value, 0) <= 0	362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
324	and return;	363	and return;
325		364
		365	# always fsync - this file is important
326	aio_fsync $fh	366	aio_fsync $fh
327	and return;	367	and return;
328		368
329	close $fh	369	close $fh
330	or return;	370	or return;
…		…
336	}	376	}
337		377
338	=back	378	=back
339		379
340	=cut	380	=cut
341
342	#############################################################################
343
344	package cf::path;
345
346	sub new {
347	my ($class, $path, $base) = @_;
348
349	$path = $path->as_string if ref $path;
350
351	my $self = bless { }, $class;
352
353	# {... are special paths that are not touched
354	# ?xxx/... are special absolute paths
355	# ?random/... random maps
356	# /! non-realised random map exit
357	# /... normal maps
358	# ~/... per-player maps without a specific player (DO NOT USE)
359	# ~user/... per-player map of a specific user
360
361	if ($path =~ /^{/) {
362	# fine as it is
363	} elsif ($path =~ s{^\?random/}{}) {
364	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
365	$self->{random} = cf::from_json $data;
366	} else {
367	if ($path =~ s{^~([^/]+)?}{}) {
368	$self->{user_rel} = 1;
369
370	if (defined $1) {
371	$self->{user} = $1;
372	} elsif ($base =~ m{^~([^/]+)/}) {
373	$self->{user} = $1;
374	} else {
375	warn "cannot resolve user-relative path without user <$path,$base>\n";
376	}
377	} elsif ($path =~ /^\//) {
378	# already absolute
379	} else {
380	$base =~ s{[^/]+/?$}{};
381	return $class->new ("$base/$path");
382	}
383
384	for ($path) {
385	redo if s{/\.?/}{/};
386	redo if s{/[^/]+/\.\./}{/};
387	}
388	}
389
390	$self->{path} = $path;
391
392	$self
393	}
394
395	# the name / primary key / in-game path
396	sub as_string {
397	my ($self) = @_;
398
399	$self->{user_rel} ? "~$self->{user}$self->{path}"
400	: $self->{random} ? "?random/$self->{path}"
401	: $self->{path}
402	}
403
404	# the displayed name, this is a one way mapping
405	sub visible_name {
406	my ($self) = @_;
407
408	# if (my $rmp = $self->{random}) {
409	# # todo: be more intelligent about this
410	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
411	# } else {
412	$self->as_string
413	# }
414	}
415
416	# escape the /'s in the path
417	sub _escaped_path {
418	# ∕ is U+2215
419	(my $path = $_[0]{path}) =~ s/\//∕/g;
420	$path
421	}
422
423	# the original (read-only) location
424	sub load_path {
425	my ($self) = @_;
426
427	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
428	}
429
430	# the temporary/swap location
431	sub save_path {
432	my ($self) = @_;
433
434	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
435	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
436	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
437	}
438
439	# the unique path, might be eq to save_path
440	sub uniq_path {
441	my ($self) = @_;
442
443	$self->{user_rel} || $self->{random}
444	? undef
445	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
446	}
447
448	# return random map parameters, or undef
449	sub random_map_params {
450	my ($self) = @_;
451
452	$self->{random}
453	}
454
455	# this is somewhat ugly, but style maps do need special treatment
456	sub is_style_map {
457	$_[0]{path} =~ m{^/styles/}
458	}
459
460	package cf;
461		381
462	#############################################################################	382	#############################################################################
463		383
464	=head2 ATTACHABLE OBJECTS	384	=head2 ATTACHABLE OBJECTS
465		385
…		…
591	our @CB_TYPE = (); # registry for type (cf-object class) based events	511	our @CB_TYPE = (); # registry for type (cf-object class) based events
592	our @CB_MAP = ();	512	our @CB_MAP = ();
593		513
594	my %attachment;	514	my %attachment;
595		515
		516	sub cf::attachable::thawer_merge {
		517	# simply override everything except _meta
		518	local $_[0]{_meta};
		519	%{$_[0]} = %{$_[1]};
		520	}
		521
596	sub _attach_cb($$$$) {	522	sub _attach_cb($$$$) {
597	my ($registry, $event, $prio, $cb) = @_;	523	my ($registry, $event, $prio, $cb) = @_;
598		524
599	use sort 'stable';	525	use sort 'stable';
600		526
…		…
771	# object support	697	# object support
772		698
773	sub reattach {	699	sub reattach {
774	# basically do the same as instantiate, without calling instantiate	700	# basically do the same as instantiate, without calling instantiate
775	my ($obj) = @_;	701	my ($obj) = @_;
		702
		703	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
776		704
777	my $registry = $obj->registry;	705	my $registry = $obj->registry;
778		706
779	@$registry = ();	707	@$registry = ();
780		708
…		…
827	$filename, length $$rdata, scalar @$objs;	755	$filename, length $$rdata, scalar @$objs;
828		756
829	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
830	chmod SAVE_MODE, $fh;	758	chmod SAVE_MODE, $fh;
831	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
832	aio_fsync $fh;	760	aio_fsync $fh if $cf::USE_FSYNC;
833	close $fh;	761	close $fh;
834		762
835	if (@$objs) {	763	if (@$objs) {
836	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	764	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
837	chmod SAVE_MODE, $fh;	765	chmod SAVE_MODE, $fh;
838	my $data = Storable::nfreeze { version => 1, objs => $objs };	766	my $data = Storable::nfreeze { version => 1, objs => $objs };
839	aio_write $fh, 0, (length $data), $data, 0;	767	aio_write $fh, 0, (length $data), $data, 0;
840	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
841	close $fh;	769	close $fh;
842	aio_rename "$filename.pst~", "$filename.pst";	770	aio_rename "$filename.pst~", "$filename.pst";
843	}	771	}
844	} else {	772	} else {
845	aio_unlink "$filename.pst";	773	aio_unlink "$filename.pst";
…		…
912	=cut	840	=cut
913		841
914	sub register_extcmd {	842	sub register_extcmd {
915	my ($name, $cb) = @_;	843	my ($name, $cb) = @_;
916		844
917	my $caller = caller;
918	#warn "registering extcmd '$name' to '$caller'";
919
920	$EXTCMD{$name} = [$cb, $caller];	845	$EXTCMD{$name} = $cb;
921	}	846	}
922		847
923	cf::player->attach (	848	cf::player->attach (
924	on_command => sub {	849	on_command => sub {
925	my ($pl, $name, $params) = @_;	850	my ($pl, $name, $params) = @_;
…		…
938		863
939	my $msg = eval { from_json $buf };	864	my $msg = eval { from_json $buf };
940		865
941	if (ref $msg) {	866	if (ref $msg) {
942	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	867	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
943	if (my %reply = $cb->[0]->($pl, $msg)) {	868	if (my %reply = $cb->($pl, $msg)) {
944	$pl->ext_reply ($msg->{msgid}, %reply);	869	$pl->ext_reply ($msg->{msgid}, %reply);
945	}	870	}
946	}	871	}
947	} else {	872	} else {
948	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	873	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
950		875
951	cf::override;	876	cf::override;
952	},	877	},
953	);	878	);
954		879
955	sub register {
956	my ($base, $pkg) = @_;
957
958	#TODO
959	}
960
961	sub load_extension {	880	sub load_extension {
962	my ($path) = @_;	881	my ($path) = @_;
963		882
964	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
965	my $base = $1;	884	my $base = $1;
966	my $pkg = $1;	885	my $pkg = $1;
967	$pkg =~ s/[^[:word:]]/_/g;	886	$pkg =~ s/[^[:word:]]/_/g;
968	$pkg = "ext::$pkg";	887	$pkg = "ext::$pkg";
969		888
970	warn "loading '$path' into '$pkg'\n";	889	warn "... loading '$path' into '$pkg'\n";
971		890
972	open my $fh, "<:utf8", $path	891	open my $fh, "<:utf8", $path
973	or die "$path: $!";	892	or die "$path: $!";
974		893
975	my $source =	894	my $source =
976	"package $pkg; use strict; use utf8;\n"	895	"package $pkg; use strict; use utf8;\n"
977	. "#line 1 \"$path\"\n{\n"	896	. "#line 1 \"$path\"\n{\n"
978	. (do { local $/; <$fh> })	897	. (do { local $/; <$fh> })
979	. "\n};\n1";	898	. "\n};\n1";
980		899
981	eval $source	900	unless (eval $source) {
982	or die $@ ? "$path: $@\n"	901	my $msg = $@ ? "$path: $@\n"
983	: "extension disabled.\n";	902	: "extension disabled.\n";
984		903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
985	push @exts, $pkg;	904	warn $@;
986	$ext_pkg{$base} = $pkg;	905	warn "mandatory extension failed to load, exiting.\n";
987		906	exit 1;
988	# no strict 'refs';	907	}
989	# @{"$pkg\::ISA"} = ext::;	908	die $@;
990
991	register $base, $pkg;
992	}
993
994	sub unload_extension {
995	my ($pkg) = @_;
996
997	warn "removing extension $pkg\n";
998
999	# remove hooks
1000	#TODO
1001	# for my $idx (0 .. $#PLUGIN_EVENT) {
1002	# delete $hook[$idx]{$pkg};
1003	# }	909	}
1004		910
1005	# remove commands	911	push @EXTS, $pkg;
1006	for my $name (keys %COMMAND) {
1007	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1008
1009	if (@cb) {
1010	$COMMAND{$name} = \@cb;
1011	} else {
1012	delete $COMMAND{$name};
1013	}
1014	}
1015
1016	# remove extcmds
1017	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1018	delete $EXTCMD{$name};
1019	}
1020
1021	if (my $cb = $pkg->can ("unload")) {
1022	eval {
1023	$cb->($pkg);
1024	1
1025	} or warn "$pkg unloaded, but with errors: $@";
1026	}
1027
1028	Symbol::delete_package $pkg;
1029	}	912	}
1030		913
1031	sub load_extensions {	914	sub load_extensions {
1032	for my $ext (<$LIBDIR/*.ext>) {	915	for my $ext (<$LIBDIR/*.ext>) {
1033	next unless -r $ext;	916	next unless -r $ext;
…		…
1037	} or warn "$ext not loaded: $@";	920	} or warn "$ext not loaded: $@";
1038	}	921	}
1039	}	922	}
1040		923
1041	#############################################################################	924	#############################################################################
1042	# load/save/clean perl data associated with a map
1043
1044	*cf::mapsupport::on_clean = sub {
1045	my ($map) = @_;
1046
1047	my $path = $map->tmpname;
1048	defined $path or return;
1049
1050	unlink "$path.pst";
1051	};
1052
1053	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1054
1055	#############################################################################
1056	# load/save perl data associated with player->ob objects
1057
1058	sub all_objects(@) {
1059	@_, map all_objects ($_->inv), @_
1060	}
1061
1062	# TODO: compatibility cruft, remove when no longer needed
1063	cf::player->attach (
1064	on_load => sub {
1065	my ($pl, $path) = @_;
1066
1067	for my $o (all_objects $pl->ob) {
1068	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1069	$o->set_ob_key_value ("_perl_data");
1070
1071	%$o = %{ Storable::thaw pack "H*", $value };
1072	}
1073	}
1074	},
1075	);
1076
1077	#############################################################################
1078		925
1079	=head2 CORE EXTENSIONS	926	=head2 CORE EXTENSIONS
1080		927
1081	Functions and methods that extend core crossfire objects.	928	Functions and methods that extend core crossfire objects.
1082		929
		930	=cut
		931
		932	package cf::player;
		933
		934	use Coro::AIO;
		935
1083	=head3 cf::player	936	=head3 cf::player
1084		937
1085	=over 4	938	=over 4
1086		939
1087	=item cf::player::exists $login	940	=item cf::player::find $login
1088		941
1089	Returns true when the given account exists.	942	Returns the given player object, loading it if necessary (might block).
1090		943
1091	=cut	944	=cut
1092		945
1093	sub cf::player::exists($) {	946	sub playerdir($) {
1094	cf::player::find $_[0]	947	cf::localdir
1095	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	948	. "/"
		949	. cf::playerdir
		950	. "/"
		951	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		952	}
		953
		954	sub path($) {
		955	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		956
		957	(playerdir $login) . "/$login.pl"
		958	}
		959
		960	sub find_active($) {
		961	$cf::PLAYER{$_[0]}
		962	and $cf::PLAYER{$_[0]}->active
		963	and $cf::PLAYER{$_[0]}
		964	}
		965
		966	sub exists($) {
		967	my ($login) = @_;
		968
		969	$cf::PLAYER{$login}
		970	or cf::sync_job { !aio_stat path $login }
		971	}
		972
		973	sub find($) {
		974	return $cf::PLAYER{$_[0]} || do {
		975	my $login = $_[0];
		976
		977	my $guard = cf::lock_acquire "user_find:$login";
		978
		979	$cf::PLAYER{$_[0]} || do {
		980	my $pl = load_pl path $login
		981	or return;
		982	$cf::PLAYER{$login} = $pl
		983	}
		984	}
		985	}
		986
		987	sub save($) {
		988	my ($pl) = @_;
		989
		990	return if $pl->{deny_save};
		991
		992	my $path = path $pl;
		993	my $guard = cf::lock_acquire "user_save:$path";
		994
		995	return if $pl->{deny_save};
		996
		997	aio_mkdir playerdir $pl, 0770;
		998	$pl->{last_save} = $cf::RUNTIME;
		999
		1000	$pl->save_pl ($path);
		1001	Coro::cede;
		1002	}
		1003
		1004	sub new($) {
		1005	my ($login) = @_;
		1006
		1007	my $self = create;
		1008
		1009	$self->ob->name ($login);
		1010	$self->{deny_save} = 1;
		1011
		1012	$cf::PLAYER{$login} = $self;
		1013
		1014	$self
		1015	}
		1016
		1017	=item $pl->quit_character
		1018
		1019	Nukes the player without looking back. If logged in, the connection will
		1020	be destroyed. May block for a long time.
		1021
		1022	=cut
		1023
		1024	sub quit_character {
		1025	my ($pl) = @_;
		1026
		1027	my $name = $pl->ob->name;
		1028
		1029	$pl->{deny_save} = 1;
		1030	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1031
		1032	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1033	$pl->deactivate;
		1034	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1035	$pl->ns->destroy if $pl->ns;
		1036
		1037	my $path = playerdir $pl;
		1038	my $temp = "$path~$cf::RUNTIME~deleting~";
		1039	aio_rename $path, $temp;
		1040	delete $cf::PLAYER{$pl->ob->name};
		1041	$pl->destroy;
		1042
		1043	my $prefix = qr<^~\Q$name\E/>;
		1044
		1045	# nuke player maps
		1046	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1047
		1048	IO::AIO::aio_rmtree $temp;
		1049	}
		1050
		1051	=item $pl->kick
		1052
		1053	Kicks a player out of the game. This destroys the connection.
		1054
		1055	=cut
		1056
		1057	sub kick {
		1058	my ($pl, $kicker) = @_;
		1059
		1060	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1061	$pl->killer ("kicked");
		1062	$pl->ns->destroy;
		1063	}
		1064
		1065	=item cf::player::list_logins
		1066
		1067	Returns am arrayref of all valid playernames in the system, can take a
		1068	while and may block, so not sync_job-capable, ever.
		1069
		1070	=cut
		1071
		1072	sub list_logins {
		1073	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1074	or return [];
		1075
		1076	my @logins;
		1077
		1078	for my $login (@$dirs) {
		1079	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1080	aio_read $fh, 0, 512, my $buf, 0 or next;
		1081	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1082
		1083	utf8::decode $login;
		1084	push @logins, $login;
		1085	}
		1086
		1087	\@logins
		1088	}
		1089
		1090	=item $player->maps
		1091
		1092	Returns an arrayref of map paths that are private for this
		1093	player. May block.
		1094
		1095	=cut
		1096
		1097	sub maps($) {
		1098	my ($pl) = @_;
		1099
		1100	$pl = ref $pl ? $pl->ob->name : $pl;
		1101
		1102	my $files = aio_readdir playerdir $pl
		1103	or return;
		1104
		1105	my @paths;
		1106
		1107	for (@$files) {
		1108	utf8::decode $_;
		1109	next if /\.(?:pl|pst)$/;
		1110	next unless /^$PATH_SEP/o;
		1111
		1112	push @paths, cf::map::normalise "~$pl/$_";
		1113	}
		1114
		1115	\@paths
1096	}	1116	}
1097		1117
1098	=item $player->ext_reply ($msgid, $msgtype, %msg)	1118	=item $player->ext_reply ($msgid, $msgtype, %msg)
1099		1119
1100	Sends an ext reply to the player.	1120	Sends an ext reply to the player.
1101		1121
1102	=cut	1122	=cut
1103		1123
1104	sub cf::player::ext_reply($$$%) {	1124	sub ext_reply($$$%) {
1105	my ($self, $id, %msg) = @_;	1125	my ($self, $id, %msg) = @_;
1106		1126
1107	$msg{msgid} = $id;	1127	$msg{msgid} = $id;
1108		1128
1109	$self->send ("ext " . to_json \%msg);	1129	$self->send ("ext " . cf::to_json \%msg);
1110	}	1130	}
		1131
		1132	package cf;
1111		1133
1112	=back	1134	=back
1113		1135
1114		1136
1115	=head3 cf::map	1137	=head3 cf::map
…		…
1121	package cf::map;	1143	package cf::map;
1122		1144
1123	use Fcntl;	1145	use Fcntl;
1124	use Coro::AIO;	1146	use Coro::AIO;
1125		1147
		1148	use overload
		1149	'""' => \&as_string,
		1150	fallback => 1;
		1151
1126	our $MAX_RESET = 3600;	1152	our $MAX_RESET = 3600;
1127	our $DEFAULT_RESET = 3000;	1153	our $DEFAULT_RESET = 3000;
1128		1154
1129	sub generate_random_map {	1155	sub generate_random_map {
1130	my ($path, $rmp) = @_;	1156	my ($self, $rmp) = @_;
1131
1132	# mit "rum" bekleckern, nicht	1157	# mit "rum" bekleckern, nicht
1133	cf::map::_create_random_map	1158	$self->_create_random_map (
1134	$path,
1135	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1159	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1136	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1160	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1137	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1161	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1138	$rmp->{exit_on_final_map},	1162	$rmp->{exit_on_final_map},
1139	$rmp->{xsize}, $rmp->{ysize},	1163	$rmp->{xsize}, $rmp->{ysize},
1140	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1164	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1141	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1165	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1142	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1166	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1143	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1167	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1144	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1168	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1145	(cf::region::find $rmp->{region})	1169	(cf::region::find $rmp->{region}), $rmp->{custom}
		1170	)
		1171	}
		1172
		1173	=item cf::map->register ($regex, $prio)
		1174
		1175	Register a handler for the map path matching the given regex at the
		1176	givne priority (higher is better, built-in handlers have priority 0, the
		1177	default).
		1178
		1179	=cut
		1180
		1181	sub register {
		1182	my (undef, $regex, $prio) = @_;
		1183	my $pkg = caller;
		1184
		1185	no strict;
		1186	push @{"$pkg\::ISA"}, __PACKAGE__;
		1187
		1188	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1189	}
		1190
		1191	# also paths starting with '/'
		1192	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1193
		1194	sub thawer_merge {
		1195	my ($self, $merge) = @_;
		1196
		1197	# we have to keep some variables in memory intact
		1198	local $self->{path};
		1199	local $self->{load_path};
		1200	local $self->{deny_save};
		1201	local $self->{deny_reset};
		1202
		1203	$self->SUPER::thawer_merge ($merge);
		1204	}
		1205
		1206	sub normalise {
		1207	my ($path, $base) = @_;
		1208
		1209	$path = "$path"; # make sure its a string
		1210
		1211	$path =~ s/\.map$//;
		1212
		1213	# map plan:
		1214	#
		1215	# /! non-realised random map exit (special hack!)
		1216	# {... are special paths that are not being touched
		1217	# ?xxx/... are special absolute paths
		1218	# ?random/... random maps
		1219	# /... normal maps
		1220	# ~user/... per-player map of a specific user
		1221
		1222	$path =~ s/$PATH_SEP/\//go;
		1223
		1224	# treat it as relative path if it starts with
		1225	# something that looks reasonable
		1226	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1227	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1228
		1229	$base =~ s{[^/]+/?$}{};
		1230	$path = "$base/$path";
		1231	}
		1232
		1233	for ($path) {
		1234	redo if s{//}{/};
		1235	redo if s{/\.?/}{/};
		1236	redo if s{/[^/]+/\.\./}{/};
		1237	}
		1238
		1239	$path
		1240	}
		1241
		1242	sub new_from_path {
		1243	my (undef, $path, $base) = @_;
		1244
		1245	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1246
		1247	$path = normalise $path, $base;
		1248
		1249	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1250	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1251	my $self = bless cf::map::new, $pkg;
		1252	$self->{path} = $path; $self->path ($path);
		1253	$self->init; # pass $1 etc.
		1254	return $self;
		1255	}
		1256	}
		1257
		1258	Carp::carp "unable to resolve path '$path' (base '$base').";
		1259	()
		1260	}
		1261
		1262	sub init {
		1263	my ($self) = @_;
		1264
		1265	$self
		1266	}
		1267
		1268	sub as_string {
		1269	my ($self) = @_;
		1270
		1271	"$self->{path}"
		1272	}
		1273
		1274	# the displayed name, this is a one way mapping
		1275	sub visible_name {
		1276	&as_string
		1277	}
		1278
		1279	# the original (read-only) location
		1280	sub load_path {
		1281	my ($self) = @_;
		1282
		1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1284	}
		1285
		1286	# the temporary/swap location
		1287	sub save_path {
		1288	my ($self) = @_;
		1289
		1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1292	}
		1293
		1294	# the unique path, undef == no special unique path
		1295	sub uniq_path {
		1296	my ($self) = @_;
		1297
		1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1146	}	1300	}
1147		1301
1148	# and all this just because we cannot iterate over	1302	# and all this just because we cannot iterate over
1149	# all maps in C++...	1303	# all maps in C++...
1150	sub change_all_map_light {	1304	sub change_all_map_light {
…		…
1152		1306
1153	$_->change_map_light ($change)	1307	$_->change_map_light ($change)
1154	for grep $_->outdoor, values %cf::MAP;	1308	for grep $_->outdoor, values %cf::MAP;
1155	}	1309	}
1156		1310
		1311	sub unlink_save {
		1312	my ($self) = @_;
		1313
		1314	utf8::encode (my $save = $self->save_path);
		1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1317	}
		1318
1157	sub try_load_header($) {	1319	sub load_header_from($) {
1158	my ($path) = @_;	1320	my ($self, $path) = @_;
1159		1321
1160	utf8::encode $path;	1322	utf8::encode $path;
1161	aio_open $path, O_RDONLY, 0	1323	#aio_open $path, O_RDONLY, 0
		1324	# or return;
		1325
		1326	$self->_load_header ($path)
1162	or return;	1327	or return;
1163		1328
1164	my $map = cf::map::new	1329	$self->{load_path} = $path;
		1330
		1331	1
		1332	}
		1333
		1334	sub load_header_orig {
		1335	my ($self) = @_;
		1336
		1337	$self->load_header_from ($self->load_path)
		1338	}
		1339
		1340	sub load_header_temp {
		1341	my ($self) = @_;
		1342
		1343	$self->load_header_from ($self->save_path)
		1344	}
		1345
		1346	sub prepare_temp {
		1347	my ($self) = @_;
		1348
		1349	$self->last_access ((delete $self->{last_access})
		1350	|| $cf::RUNTIME); #d#
		1351	# safety
		1352	$self->{instantiate_time} = $cf::RUNTIME
		1353	if $self->{instantiate_time} > $cf::RUNTIME;
		1354	}
		1355
		1356	sub prepare_orig {
		1357	my ($self) = @_;
		1358
		1359	$self->{load_original} = 1;
		1360	$self->{instantiate_time} = $cf::RUNTIME;
		1361	$self->last_access ($cf::RUNTIME);
		1362	$self->instantiate;
		1363	}
		1364
		1365	sub load_header {
		1366	my ($self) = @_;
		1367
		1368	if ($self->load_header_temp) {
		1369	$self->prepare_temp;
		1370	} else {
		1371	$self->load_header_orig
1165	or return;	1372	or return;
		1373	$self->prepare_orig;
		1374	}
1166		1375
1167	# for better error messages only, will be overwritten	1376	1
1168	$map->path ($path);
1169
1170	$map->load_header ($path)
1171	or return;
1172
1173	$map->{load_path} = $path;
1174
1175	$map
1176	}	1377	}
1177		1378
1178	sub find;	1379	sub find;
1179	sub find {	1380	sub find {
1180	my ($path, $origin) = @_;	1381	my ($path, $origin) = @_;
1181		1382
1182	#warn "find<$path,$origin>\n";#d#
1183
1184	$path = new cf::path $path, $origin && $origin->path;	1383	$path = normalise $path, $origin && $origin->path;
1185	my $key = $path->as_string;
1186		1384
1187	cf::lock_wait "map_find:$key";	1385	cf::lock_wait "map_find:$path";
1188		1386
1189	$cf::MAP{$key} || do {	1387	$cf::MAP{$path} || do {
1190	my $guard = cf::lock_acquire "map_find:$key";	1388	my $guard = cf::lock_acquire "map_find:$path";
1191		1389	my $map = new_from_path cf::map $path
1192	# do it the slow way
1193	my $map = try_load_header $path->save_path;
1194
1195	Coro::cede;
1196
1197	if ($map) {
1198	$map->last_access ((delete $map->{last_access})
1199	|| $cf::RUNTIME); #d#
1200	# safety
1201	$map->{instantiate_time} = $cf::RUNTIME
1202	if $map->{instantiate_time} > $cf::RUNTIME;
1203	} else {
1204	if (my $rmp = $path->random_map_params) {
1205	$map = generate_random_map $key, $rmp;
1206	} else {
1207	$map = try_load_header $path->load_path;
1208	}
1209
1210	$map or return;	1390	or return;
1211		1391
1212	$map->{load_original} = 1;
1213	$map->{instantiate_time} = $cf::RUNTIME;
1214	$map->last_access ($cf::RUNTIME);
1215	$map->instantiate;
1216
1217	# per-player maps become, after loading, normal maps
1218	$map->per_player (0) if $path->{user_rel};
1219	}
1220
1221	$map->path ($key);
1222	$map->{path} = $path;
1223	$map->{last_save} = $cf::RUNTIME;	1392	$map->{last_save} = $cf::RUNTIME;
1224		1393
1225	Coro::cede;	1394	$map->load_header
		1395	or return;
1226		1396
1227	if ($map->should_reset) {	1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1398	# doing this can freeze the server in a sync job, obviously
		1399	#$cf::WAIT_FOR_TICK->wait;
1228	$map->reset;	1400	$map->reset;
1229	undef $guard;	1401	undef $guard;
1230	$map = find $path	1402	return find $path;
1231	or return;
1232	}	1403	}
1233		1404
1234	$cf::MAP{$key} = $map	1405	$cf::MAP{$path} = $map
1235	}	1406	}
1236	}	1407	}
		1408
		1409	sub pre_load { }
		1410	sub post_load { }
1237		1411
1238	sub load {	1412	sub load {
1239	my ($self) = @_;	1413	my ($self) = @_;
1240		1414
		1415	local $self->{deny_reset} = 1; # loading can take a long time
		1416
1241	my $path = $self->{path};	1417	my $path = $self->{path};
1242	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1418	my $guard = cf::lock_acquire "map_load:$path";
1243		1419
1244	return if $self->in_memory != cf::MAP_SWAPPED;	1420	return if $self->in_memory != cf::MAP_SWAPPED;
1245		1421
1246	$self->in_memory (cf::MAP_LOADING);	1422	$self->in_memory (cf::MAP_LOADING);
1247		1423
1248	$self->alloc;	1424	$self->alloc;
		1425
		1426	$self->pre_load;
		1427
1249	$self->load_objects ($self->{load_path}, 1)	1428	$self->_load_objects ($self->{load_path}, 1)
1250	or return;	1429	or return;
1251		1430
1252	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1253	if delete $self->{load_original};	1432	if delete $self->{load_original};
1254		1433
1255	if (my $uniq = $path->uniq_path) {	1434	if (my $uniq = $self->uniq_path) {
1256	utf8::encode $uniq;	1435	utf8::encode $uniq;
1257	if (aio_open $uniq, O_RDONLY, 0) {	1436	if (aio_open $uniq, O_RDONLY, 0) {
1258	$self->clear_unique_items;	1437	$self->clear_unique_items;
1259	$self->load_objects ($uniq, 0);	1438	$self->_load_objects ($uniq, 0);
1260	}	1439	}
1261	}	1440	}
1262		1441
1263	Coro::cede;	1442	Coro::cede;
1264		1443
1265	# now do the right thing for maps	1444	# now do the right thing for maps
1266	$self->link_multipart_objects;	1445	$self->link_multipart_objects;
1267		1446
1268	if ($self->{path}->is_style_map) {	1447	unless ($self->{deny_activate}) {
1269	$self->{deny_save} = 1;	1448	$self->decay_objects;
1270	$self->{deny_reset} = 1;
1271	} else {
1272	$self->fix_auto_apply;	1449	$self->fix_auto_apply;
1273	$self->decay_objects;
1274	$self->update_buttons;	1450	$self->update_buttons;
		1451	Coro::cede;
1275	$self->set_darkness_map;	1452	$self->set_darkness_map;
1276	$self->difficulty ($self->estimate_difficulty)	1453	$self->difficulty ($self->estimate_difficulty)
1277	unless $self->difficulty;	1454	unless $self->difficulty;
		1455	Coro::cede;
1278	$self->activate;	1456	$self->activate;
1279	}	1457	}
1280		1458
1281	Coro::cede;	1459	$self->post_load;
1282		1460
1283	$self->in_memory (cf::MAP_IN_MEMORY);	1461	$self->in_memory (cf::MAP_IN_MEMORY);
		1462	}
		1463
		1464	sub customise_for {
		1465	my ($self, $ob) = @_;
		1466
		1467	return find "~" . $ob->name . "/" . $self->{path}
		1468	if $self->per_player;
		1469
		1470	$self
		1471	}
		1472
		1473	# find and load all maps in the 3x3 area around a map
		1474	sub load_diag {
		1475	my ($map) = @_;
		1476
		1477	my @diag; # diagonal neighbours
		1478
		1479	for (0 .. 3) {
		1480	my $neigh = $map->tile_path ($_)
		1481	or next;
		1482	$neigh = find $neigh, $map
		1483	or next;
		1484	$neigh->load;
		1485
		1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1488	}
		1489
		1490	for (@diag) {
		1491	my $neigh = find @$_
		1492	or next;
		1493	$neigh->load;
		1494	}
1284	}	1495	}
1285		1496
1286	sub find_sync {	1497	sub find_sync {
1287	my ($path, $origin) = @_;	1498	my ($path, $origin) = @_;
1288		1499
1289	cf::sync_job { cf::map::find $path, $origin }	1500	cf::sync_job { find $path, $origin }
1290	}	1501	}
1291		1502
1292	sub do_load_sync {	1503	sub do_load_sync {
1293	my ($map) = @_;	1504	my ($map) = @_;
1294		1505
1295	cf::sync_job { $map->load };	1506	cf::sync_job { $map->load };
1296	}	1507	}
1297		1508
		1509	our %MAP_PREFETCH;
		1510	our $MAP_PREFETCHER = undef;
		1511
		1512	sub find_async {
		1513	my ($path, $origin) = @_;
		1514
		1515	$path = normalise $path, $origin && $origin->{path};
		1516
		1517	if (my $map = $cf::MAP{$path}) {
		1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1519	}
		1520
		1521	undef $MAP_PREFETCH{$path};
		1522	$MAP_PREFETCHER ||= cf::async {
		1523	while (%MAP_PREFETCH) {
		1524	for my $path (keys %MAP_PREFETCH) {
		1525	my $map = find $path
		1526	or next;
		1527	$map->load;
		1528
		1529	delete $MAP_PREFETCH{$path};
		1530	}
		1531	}
		1532	undef $MAP_PREFETCHER;
		1533	};
		1534	$MAP_PREFETCHER->prio (6);
		1535
		1536	()
		1537	}
		1538
1298	sub save {	1539	sub save {
1299	my ($self) = @_;	1540	my ($self) = @_;
1300		1541
		1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1543
1301	$self->{last_save} = $cf::RUNTIME;	1544	$self->{last_save} = $cf::RUNTIME;
1302		1545
1303	return unless $self->dirty;	1546	return unless $self->dirty;
1304		1547
1305	my $save = $self->{path}->save_path; utf8::encode $save;	1548	my $save = $self->save_path; utf8::encode $save;
1306	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1549	my $uniq = $self->uniq_path; utf8::encode $uniq;
1307		1550
1308	$self->{load_path} = $save;	1551	$self->{load_path} = $save;
1309		1552
1310	return if $self->{deny_save};	1553	return if $self->{deny_save};
1311		1554
1312	local $self->{last_access} = $self->last_access;#d#	1555	local $self->{last_access} = $self->last_access;#d#
1313		1556
		1557	cf::async {
		1558	$_->contr->save for $self->players;
		1559	};
		1560
1314	if ($uniq) {	1561	if ($uniq) {
1315	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1316	$self->save_objects ($uniq, cf::IO_UNIQUES);	1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1317	} else {	1564	} else {
1318	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1565	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1319	}	1566	}
1320	}	1567	}
1321		1568
1322	sub swap_out {	1569	sub swap_out {
1323	my ($self) = @_;	1570	my ($self) = @_;
1324		1571
1325	# save first because save cedes	1572	# save first because save cedes
1326	$self->save;	1573	$self->save;
		1574
		1575	my $lock = cf::lock_acquire "map_data:" . $self->path;
1327		1576
1328	return if $self->players;	1577	return if $self->players;
1329	return if $self->in_memory != cf::MAP_IN_MEMORY;	1578	return if $self->in_memory != cf::MAP_IN_MEMORY;
1330	return if $self->{deny_save};	1579	return if $self->{deny_save};
1331		1580
…		…
1335		1584
1336	sub reset_at {	1585	sub reset_at {
1337	my ($self) = @_;	1586	my ($self) = @_;
1338		1587
1339	# TODO: safety, remove and allow resettable per-player maps	1588	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};	1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1341	return 1e99 if $self->{deny_reset};	1590	return 1e99 if $self->{deny_reset};
1342		1591
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345		1594
…		…
1350	my ($self) = @_;	1599	my ($self) = @_;
1351		1600
1352	$self->reset_at <= $cf::RUNTIME	1601	$self->reset_at <= $cf::RUNTIME
1353	}	1602	}
1354		1603
1355	sub unlink_save {
1356	my ($self) = @_;
1357
1358	utf8::encode (my $save = $self->{path}->save_path);
1359	aioreq_pri 3; IO::AIO::aio_unlink $save;
1360	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1361	}
1362
1363	sub rename {
1364	my ($self, $new_path) = @_;
1365
1366	$self->unlink_save;
1367
1368	delete $cf::MAP{$self->path};
1369	$self->{path} = new cf::path $new_path;
1370	$self->path ($self->{path}->as_string);
1371	$cf::MAP{$self->path} = $self;
1372
1373	$self->save;
1374	}
1375
1376	sub reset {	1604	sub reset {
1377	my ($self) = @_;	1605	my ($self) = @_;
1378		1606
		1607	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1608
1379	return if $self->players;	1609	return if $self->players;
1380	return if $self->{path}{user_rel};#d#	1610	return if $self->isa ("ext::map_per_player");#d#
1381		1611
1382	warn "resetting map ", $self->path;#d#	1612	warn "resetting map ", $self->path;#d#
1383		1613
		1614	$self->in_memory (cf::MAP_SWAPPED);
		1615
		1616	# need to save uniques path
		1617	unless ($self->{deny_save}) {
		1618	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1619
		1620	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1621	if $uniq;
		1622	}
		1623
1384	delete $cf::MAP{$self->path};	1624	delete $cf::MAP{$self->path};
		1625
		1626	$self->clear;
1385		1627
1386	$_->clear_links_to ($self) for values %cf::MAP;	1628	$_->clear_links_to ($self) for values %cf::MAP;
1387		1629
1388	$self->unlink_save;	1630	$self->unlink_save;
1389	$self->destroy;	1631	$self->destroy;
…		…
1392	my $nuke_counter = "aaaa";	1634	my $nuke_counter = "aaaa";
1393		1635
1394	sub nuke {	1636	sub nuke {
1395	my ($self) = @_;	1637	my ($self) = @_;
1396		1638
		1639	delete $cf::MAP{$self->path};
		1640
		1641	$self->unlink_save;
		1642
		1643	bless $self, "cf::map";
		1644	delete $self->{deny_reset};
1397	$self->{deny_save} = 1;	1645	$self->{deny_save} = 1;
1398	$self->reset_timeout (1);	1646	$self->reset_timeout (1);
1399	$self->rename ("{nuke}/" . ($nuke_counter++));	1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1648
		1649	$cf::MAP{$self->path} = $self;
		1650
1400	$self->reset; # polite request, might not happen	1651	$self->reset; # polite request, might not happen
1401	}	1652	}
1402		1653
1403	sub customise_for {	1654	=item cf::map::unique_maps
1404	my ($map, $ob) = @_;
1405		1655
1406	if ($map->per_player) {	1656	Returns an arrayref of paths of all shared maps that have
1407	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1657	instantiated unique items. May block.
1408	}
1409		1658
1410	$map	1659	=cut
1411	}
1412		1660
1413	sub emergency_save {	1661	sub unique_maps() {
1414	my $freeze_guard = cf::freeze_mainloop;	1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1663	or return;
1415		1664
1416	warn "enter emergency map save\n";	1665	my @paths;
1417		1666
1418	cf::sync_job {	1667	for (@$files) {
1419	warn "begin emergency map save\n";	1668	utf8::decode $_;
1420	$_->save for values %cf::MAP;	1669	next if /\.pst$/;
		1670	next unless /^$PATH_SEP/o;
		1671
		1672	push @paths, cf::map::normalise $_;
1421	};	1673	}
1422		1674
1423	warn "end emergency map save\n";	1675	\@paths
1424	}	1676	}
1425		1677
1426	package cf;	1678	package cf;
1427		1679
1428	=back	1680	=back
1429		1681
		1682	=head3 cf::object
		1683
		1684	=cut
		1685
		1686	package cf::object;
		1687
		1688	=over 4
		1689
		1690	=item $ob->inv_recursive
		1691
		1692	Returns the inventory of the object _and_ their inventories, recursively.
		1693
		1694	=cut
		1695
		1696	sub inv_recursive_;
		1697	sub inv_recursive_ {
		1698	map { $_, inv_recursive_ $_->inv } @_
		1699	}
		1700
		1701	sub inv_recursive {
		1702	inv_recursive_ inv $_[0]
		1703	}
		1704
		1705	package cf;
		1706
		1707	=back
1430		1708
1431	=head3 cf::object::player	1709	=head3 cf::object::player
1432		1710
1433	=over 4	1711	=over 4
1434		1712
…		…
1474		1752
1475	=item $player_object->enter_link	1753	=item $player_object->enter_link
1476		1754
1477	Freezes the player and moves him/her to a special map (C<{link}>).	1755	Freezes the player and moves him/her to a special map (C<{link}>).
1478		1756
1479	The player should be reaosnably safe there for short amounts of time. You	1757	The player should be reasonably safe there for short amounts of time. You
1480	I<MUST> call C<leave_link> as soon as possible, though.	1758	I<MUST> call C<leave_link> as soon as possible, though.
1481		1759
		1760	Will never block.
		1761
1482	=item $player_object->leave_link ($map, $x, $y)	1762	=item $player_object->leave_link ($map, $x, $y)
1483		1763
1484	Moves the player out of the specila link map onto the given map. If the	1764	Moves the player out of the special C<{link}> map onto the specified
1485	map is not valid (or omitted), the player will be moved back to the	1765	map. If the map is not valid (or omitted), the player will be moved back
1486	location he/she was before the call to C<enter_link>, or, if that fails,	1766	to the location he/she was before the call to C<enter_link>, or, if that
1487	to the emergency map position.	1767	fails, to the emergency map position.
1488		1768
1489	Might block.	1769	Might block.
1490		1770
1491	=cut	1771	=cut
		1772
		1773	sub link_map {
		1774	unless ($LINK_MAP) {
		1775	$LINK_MAP = cf::map::find "{link}"
		1776	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1777	$LINK_MAP->load;
		1778	}
		1779
		1780	$LINK_MAP
		1781	}
1492		1782
1493	sub cf::object::player::enter_link {	1783	sub cf::object::player::enter_link {
1494	my ($self) = @_;	1784	my ($self) = @_;
1495		1785
1496	$self->deactivate_recursive;	1786	$self->deactivate_recursive;
1497		1787
1498	return if $self->map == $LINK_MAP;	1788	return if UNIVERSAL::isa $self->map, "ext::map_link";
1499		1789
1500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1501	if $self->map;	1791	if $self->map;
1502		1792
1503	$self->enter_map ($LINK_MAP, 20, 20);	1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1504	}	1794	}
1505		1795
1506	sub cf::object::player::leave_link {	1796	sub cf::object::player::leave_link {
1507	my ($self, $map, $x, $y) = @_;	1797	my ($self, $map, $x, $y) = @_;
1508		1798
…		…
1526	# use -1 or undef as default coordinates, not 0, 0	1816	# use -1 or undef as default coordinates, not 0, 0
1527	($x, $y) = ($map->enter_x, $map->enter_y)	1817	($x, $y) = ($map->enter_x, $map->enter_y)
1528	if $x <=0 && $y <= 0;	1818	if $x <=0 && $y <= 0;
1529		1819
1530	$map->load;	1820	$map->load;
		1821	$map->load_diag;
1531		1822
		1823	return unless $self->contr->active;
1532	$self->activate_recursive;	1824	$self->activate_recursive;
		1825
		1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1533	$self->enter_map ($map, $x, $y);	1827	$self->enter_map ($map, $x, $y);
1534	}	1828	}
1535		1829
1536	cf::player->attach (	1830	cf::player->attach (
1537	on_logout => sub {	1831	on_logout => sub {
…		…
1549		1843
1550	# try to abort aborted map switching on player login :)	1844	# try to abort aborted map switching on player login :)
1551	# should happen only on crashes	1845	# should happen only on crashes
1552	if ($pl->ob->{_link_pos}) {	1846	if ($pl->ob->{_link_pos}) {
1553	$pl->ob->enter_link;	1847	$pl->ob->enter_link;
1554	cf::async {	1848	(async {
		1849	$pl->ob->reply (undef,
		1850	"There was an internal problem at your last logout, "
		1851	. "the server will try to bring you to your intended destination in a second.",
		1852	cf::NDI_RED);
1555	# we need this sleep as the login has a concurrent enter_exit running	1853	# we need this sleep as the login has a concurrent enter_exit running
1556	# and this sleep increases chances of the player not ending up in scorn	1854	# and this sleep increases chances of the player not ending up in scorn
1557	Coro::Timer::sleep 1;	1855	Coro::Timer::sleep 1;
1558	$pl->ob->leave_link;	1856	$pl->ob->leave_link;
1559	};	1857	})->prio (2);
1560	}	1858	}
1561	},	1859	},
1562	);	1860	);
1563		1861
1564	=item $player_object->goto ($path, $x, $y)	1862	=item $player_object->goto ($path, $x, $y)
…		…
1568	sub cf::object::player::goto {	1866	sub cf::object::player::goto {
1569	my ($self, $path, $x, $y) = @_;	1867	my ($self, $path, $x, $y) = @_;
1570		1868
1571	$self->enter_link;	1869	$self->enter_link;
1572		1870
1573	(cf::async {	1871	(async {
1574	$path = new cf::path $path;	1872	my $map = eval {
1575
1576	my $map = cf::map::find $path->as_string;	1873	my $map = cf::map::find $path;
1577	$map = $map->customise_for ($self) if $map;	1874	$map = $map->customise_for ($self) if $map;
1578		1875	$map
1579	# warn "entering ", $map->path, " at ($x, $y)\n"	1876	} or
1580	# if $map;
1581
1582	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1583		1878
1584	$self->leave_link ($map, $x, $y);	1879	$self->leave_link ($map, $x, $y);
1585	})->prio (1);	1880	})->prio (1);
1586	}	1881	}
1587		1882
…		…
1591		1886
1592	sub parse_random_map_params {	1887	sub parse_random_map_params {
1593	my ($spec) = @_;	1888	my ($spec) = @_;
1594		1889
1595	my $rmp = { # defaults	1890	my $rmp = { # defaults
1596	xsize => 10,	1891	xsize => (cf::rndm 15, 40),
1597	ysize => 10,	1892	ysize => (cf::rndm 15, 40),
		1893	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1894	#layout => string,
1598	};	1895	};
1599		1896
1600	for (split /\n/, $spec) {	1897	for (split /\n/, $spec) {
1601	my ($k, $v) = split /\s+/, $_, 2;	1898	my ($k, $v) = split /\s+/, $_, 2;
1602		1899
…		…
1606	$rmp	1903	$rmp
1607	}	1904	}
1608		1905
1609	sub prepare_random_map {	1906	sub prepare_random_map {
1610	my ($exit) = @_;	1907	my ($exit) = @_;
		1908
		1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1611		1910
1612	# all this does is basically replace the /! path by	1911	# all this does is basically replace the /! path by
1613	# a new random map path (?random/...) with a seed	1912	# a new random map path (?random/...) with a seed
1614	# that depends on the exit object	1913	# that depends on the exit object
1615		1914
1616	my $rmp = parse_random_map_params $exit->msg;	1915	my $rmp = parse_random_map_params $exit->msg;
1617		1916
1618	if ($exit->map) {	1917	if ($exit->map) {
1619	$rmp->{region} = $exit->map->region_name;	1918	$rmp->{region} = $exit->region->name;
1620	$rmp->{origin_map} = $exit->map->path;	1919	$rmp->{origin_map} = $exit->map->path;
1621	$rmp->{origin_x} = $exit->x;	1920	$rmp->{origin_x} = $exit->x;
1622	$rmp->{origin_y} = $exit->y;	1921	$rmp->{origin_y} = $exit->y;
1623	}	1922	}
1624		1923
1625	$rmp->{random_seed} ||= $exit->random_seed;	1924	$rmp->{random_seed} ||= $exit->random_seed;
1626		1925
1627	my $data = cf::to_json $rmp;	1926	my $data = cf::to_json $rmp;
1628	my $md5 = Digest::MD5::md5_hex $data;	1927	my $md5 = Digest::MD5::md5_hex $data;
		1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1629		1929
1630	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1631	aio_write $fh, 0, (length $data), $data, 0;	1931	aio_write $fh, 0, (length $data), $data, 0;
		1932	undef $fh;
		1933	aio_rename "$meta~", $meta;
1632		1934
1633	$exit->slaying ("?random/$md5");	1935	$exit->slaying ("?random/$md5");
1634	$exit->msg (undef);	1936	$exit->msg (undef);
1635	}	1937	}
1636	}	1938	}
…		…
1638	sub cf::object::player::enter_exit {	1940	sub cf::object::player::enter_exit {
1639	my ($self, $exit) = @_;	1941	my ($self, $exit) = @_;
1640		1942
1641	return unless $self->type == cf::PLAYER;	1943	return unless $self->type == cf::PLAYER;
1642		1944
		1945	if ($exit->slaying eq "/!") {
		1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1947	cf::sync_job { prepare_random_map $exit };
		1948	}
		1949
		1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1951	my $hp = $exit->stats->hp;
		1952	my $sp = $exit->stats->sp;
		1953
1643	$self->enter_link;	1954	$self->enter_link;
1644		1955
1645	(cf::async {	1956	(async {
1646	$self->deactivate_recursive; # just to be sure	1957	$self->deactivate_recursive; # just to be sure
1647	unless (eval {	1958	unless (eval {
1648	prepare_random_map $exit	1959	$self->goto ($slaying, $hp, $sp);
1649	if $exit->slaying eq "/!";
1650
1651	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1652	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1653		1960
1654	1;	1961	1;
1655	}) {	1962	}) {
1656	$self->message ("Something went wrong deep within the crossfire server. "	1963	$self->message ("Something went wrong deep within the crossfire server. "
1657	. "I'll try to bring you back to the map you were before. "	1964	. "I'll try to bring you back to the map you were before. "
1658	. "Please report this to the dungeon master",	1965	. "Please report this to the dungeon master!",
1659	cf::NDI_UNIQUE | cf::NDI_RED);	1966	cf::NDI_UNIQUE | cf::NDI_RED);
1660		1967
1661	warn "ERROR in enter_exit: $@";	1968	warn "ERROR in enter_exit: $@";
1662	$self->leave_link;	1969	$self->leave_link;
1663	}	1970	}
…		…
1677		1984
1678	sub cf::client::send_drawinfo {	1985	sub cf::client::send_drawinfo {
1679	my ($self, $text, $flags) = @_;	1986	my ($self, $text, $flags) = @_;
1680		1987
1681	utf8::encode $text;	1988	utf8::encode $text;
1682	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1683	}	1990	}
1684		1991
1685		1992
1686	=item $success = $client->query ($flags, "text", \&cb)	1993	=item $success = $client->query ($flags, "text", \&cb)
1687		1994
…		…
1718	# get handled first	2025	# get handled first
1719	my $queue = delete $ns->{query_queue}	2026	my $queue = delete $ns->{query_queue}
1720	or return; # be conservative, not sure how that can happen, but we saw a crash here	2027	or return; # be conservative, not sure how that can happen, but we saw a crash here
1721		2028
1722	(shift @$queue)->[1]->($msg);	2029	(shift @$queue)->[1]->($msg);
		2030	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1723		2031
1724	push @{ $ns->{query_queue} }, @$queue;	2032	push @{ $ns->{query_queue} }, @$queue;
1725		2033
1726	if (@{ $ns->{query_queue} } == @$queue) {	2034	if (@{ $ns->{query_queue} } == @$queue) {
1727	if (@$queue) {	2035	if (@$queue) {
…		…
1731	}	2039	}
1732	}	2040	}
1733	},	2041	},
1734	);	2042	);
1735		2043
1736	=item $client->coro (\&cb)	2044	=item $client->async (\&cb)
1737		2045
1738	Create a new coroutine, running the specified callback. The coroutine will	2046	Create a new coroutine, running the specified callback. The coroutine will
1739	be automatically cancelled when the client gets destroyed (e.g. on logout,	2047	be automatically cancelled when the client gets destroyed (e.g. on logout,
1740	or loss of connection).	2048	or loss of connection).
1741		2049
1742	=cut	2050	=cut
1743		2051
1744	sub cf::client::coro {	2052	sub cf::client::async {
1745	my ($self, $cb) = @_;	2053	my ($self, $cb) = @_;
1746		2054
1747	my $coro = &cf::async ($cb);	2055	my $coro = &Coro::async ($cb);
1748		2056
1749	$coro->on_destroy (sub {	2057	$coro->on_destroy (sub {
1750	delete $self->{_coro}{$coro+0};	2058	delete $self->{_coro}{$coro+0};
1751	});	2059	});
1752		2060
…		…
1785		2093
1786	# here we export the classes and methods available to script code	2094	# here we export the classes and methods available to script code
1787		2095
1788	=pod	2096	=pod
1789		2097
1790	The following fucntions and emthods are available within a safe environment:	2098	The following functions and methods are available within a safe environment:
1791		2099
1792	cf::object contr pay_amount pay_player map	2100	cf::object contr pay_amount pay_player map
1793	cf::object::player player	2101	cf::object::player player
1794	cf::player peaceful	2102	cf::player peaceful
1795	cf::map trigger	2103	cf::map trigger
…		…
1888	The parameter C<$family> should best start with the name of the extension	2196	The parameter C<$family> should best start with the name of the extension
1889	using it, it should be unique.	2197	using it, it should be unique.
1890		2198
1891	=over 4	2199	=over 4
1892		2200
1893	=item $hashref = cf::db_get $family
1894
1895	Return a hashref for use by the extension C<$family>, which can be
1896	modified. After modifications, you have to call C<cf::db_dirty> or
1897	C<cf::db_sync>.
1898
1899	=item $value = cf::db_get $family => $key	2201	=item $value = cf::db_get $family => $key
1900		2202
1901	Returns a single value from the database	2203	Returns a single value from the database.
1902
1903	=item cf::db_put $family => $hashref
1904
1905	Stores the given family hashref into the database. Updates are delayed, if
1906	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1907		2204
1908	=item cf::db_put $family => $key => $value	2205	=item cf::db_put $family => $key => $value
1909		2206
1910	Stores the given C<$value> in the family hash. Updates are delayed, if you	2207	Stores the given C<$value> in the family.
1911	want the data to be synced to disk immediately, use C<cf::db_sync>.
1912
1913	=item cf::db_dirty
1914
1915	Marks the database as dirty, to be updated at a later time.
1916
1917	=item cf::db_sync
1918
1919	Immediately write the database to disk I<if it is dirty>.
1920		2208
1921	=cut	2209	=cut
1922		2210
1923	our $DB;	2211	our $DB;
1924		2212
1925	{	2213	sub db_init {
		2214	unless ($DB) {
		2215	$DB = BDB::db_create $DB_ENV;
		2216
		2217	cf::sync_job {
		2218	eval {
		2219	$DB->set_flags (BDB::CHKSUM);
		2220
		2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2223	cf::cleanup "db_open(db): $!" if $!;
		2224	};
		2225	cf::cleanup "db_open(db): $@" if $@;
		2226	};
		2227
1926	my $path = cf::localdir . "/database.pst";	2228	my $path = cf::localdir . "/database.pst";
		2229	if (stat $path) {
		2230	cf::sync_job {
		2231	my $pst = Storable::retrieve $path;
1927		2232
1928	sub db_load() {	2233	cf::db_put (board => data => $pst->{board});
1929	$DB = stat $path ? Storable::retrieve $path : { };	2234	cf::db_put (guildrules => data => $pst->{guildrules});
1930	}	2235	cf::db_put (rent => balance => $pst->{rent}{balance});
		2236	BDB::db_env_txn_checkpoint $DB_ENV;
1931		2237
1932	my $pid;	2238	unlink $path;
1933
1934	sub db_save() {
1935	waitpid $pid, 0 if $pid;
1936	if (0 == ($pid = fork)) {
1937	$DB->{_meta}{version} = 1;
1938	Storable::nstore $DB, "$path~";
1939	rename "$path~", $path;
1940	cf::_exit 0 if defined $pid;
1941	}	2239	};
1942	}	2240	}
1943
1944	my $dirty;
1945
1946	sub db_sync() {
1947	db_save if $dirty;
1948	undef $dirty;
1949	}
1950
1951	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1952	db_sync;
1953	});	2241	}
		2242	}
1954		2243
1955	sub db_dirty() {
1956	$dirty = 1;
1957	$idle->start;
1958	}
1959
1960	sub db_get($;$) {	2244	sub db_get($$) {
1961	@_ >= 2	2245	my $key = "$_[0]/$_[1]";
1962	? $DB->{$_[0]}{$_[1]}
1963	: ($DB->{$_[0]} ||= { })
1964	}
1965		2246
		2247	cf::sync_job {
		2248	BDB::db_get $DB, undef, $key, my $data;
		2249
		2250	$! ? ()
		2251	: Compress::LZF::sthaw $data
		2252	}
		2253	}
		2254
1966	sub db_put($$;$) {	2255	sub db_put($$$) {
1967	if (@_ >= 3) {	2256	BDB::dbreq_pri 4;
1968	$DB->{$_[0]}{$_[1]} = $_[2];	2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2258	}
		2259
		2260	#############################################################################
		2261	# the server's init and main functions
		2262
		2263	sub load_facedata {
		2264	my $path = sprintf "%s/facedata", cf::datadir;
		2265
		2266	warn "loading facedata from $path\n";
		2267
		2268	my $faces;
		2269	0 < aio_load $path, $faces
		2270	or die "$path: $!";
		2271
		2272	Coro::cede;
		2273	$faces = Storable::thaw $faces;
		2274	Coro::cede;
		2275
		2276	my $meta = delete $faces->{""};
		2277	$meta->{version} == 1
		2278	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2279
		2280	while (my ($face, $info) = each %$faces) {
		2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2284	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2285	Coro::cede;
		2286	}
		2287
		2288	while (my ($face, $info) = each %$faces) {
		2289	next unless $info->{smooth};
		2290	my $idx = cf::face::find $face
		2291	or next;
		2292	if (my $smooth = cf::face::find $info->{smooth}) {
		2293	cf::face::set_smooth $idx, $smooth;
1969	} else {	2294	} else {
1970	$DB->{$_[0]} = $_[1];	2295	warn "smooth face '$info->{smooth}' not found for face '$face'";
1971	}
1972	db_dirty;
1973	}
1974
1975	cf::global->attach (
1976	prio => 10000,
1977	on_cleanup => sub {
1978	db_sync;
1979	},	2296	}
1980	);	2297	Coro::cede;
1981	}	2298	}
1982		2299
1983	#############################################################################	2300	1
1984	# the server's main()	2301	}
		2302
		2303	sub reload_resources {
		2304	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2305	or die "unable to load regions file\n";#d#
		2306	load_facedata
		2307	or die "unable to load facedata\n";#d#
		2308	}
		2309
		2310	sub init {
		2311	reload_resources;
		2312	}
1985		2313
1986	sub cfg_load {	2314	sub cfg_load {
1987	open my $fh, "<:utf8", cf::confdir . "/config"	2315	open my $fh, "<:utf8", cf::confdir . "/config"
1988	or return;	2316	or return;
1989		2317
1990	local $/;	2318	local $/;
1991	*CFG = YAML::Syck::Load <$fh>;	2319	*CFG = YAML::Syck::Load <$fh>;
1992		2320
1993	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2321	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1994		2322
		2323	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2324	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2325
1995	if (exists $CFG{mlockall}) {	2326	if (exists $CFG{mlockall}) {
1996	eval {	2327	eval {
1997	$CFG{mlockall} ? &mlockall : &munlockall	2328	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1998	and die "WARNING: m(un)lockall failed: $!\n";	2329	and die "WARNING: m(un)lockall failed: $!\n";
1999	};	2330	};
2000	warn $@ if $@;	2331	warn $@ if $@;
2001	}	2332	}
2002	}	2333	}
2003		2334
2004	sub main {	2335	sub main {
2005	# we must not ever block the main coroutine	2336	# we must not ever block the main coroutine
2006	local $Coro::idle = sub {	2337	local $Coro::idle = sub {
2007	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2338	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2008	(Coro::unblock_sub {	2339	(async {
2009	Event::one_event;	2340	Event::one_event;
2010	})->();	2341	})->prio (Coro::PRIO_MAX);
2011	};	2342	};
2012		2343
2013	cfg_load;	2344	cfg_load;
2014	db_load;	2345	db_init;
2015	load_extensions;	2346	load_extensions;
		2347
		2348	$TICK_WATCHER->start;
2016	Event::loop;	2349	Event::loop;
2017	}	2350	}
2018		2351
2019	#############################################################################	2352	#############################################################################
2020	# initialisation	2353	# initialisation and cleanup
		2354
		2355	# install some emergency cleanup handlers
		2356	BEGIN {
		2357	for my $signal (qw(INT HUP TERM)) {
		2358	Event->signal (
		2359	reentrant => 0,
		2360	data => WF_AUTOCANCEL,
		2361	signal => $signal,
		2362	prio => 0,
		2363	cb => sub {
		2364	cf::cleanup "SIG$signal";
		2365	},
		2366	);
		2367	}
		2368	}
		2369
		2370	sub emergency_save() {
		2371	my $freeze_guard = cf::freeze_mainloop;
		2372
		2373	warn "enter emergency perl save\n";
		2374
		2375	cf::sync_job {
		2376	# use a peculiar iteration method to avoid tripping on perl
		2377	# refcount bugs in for. also avoids problems with players
		2378	# and maps saved/destroyed asynchronously.
		2379	warn "begin emergency player save\n";
		2380	for my $login (keys %cf::PLAYER) {
		2381	my $pl = $cf::PLAYER{$login} or next;
		2382	$pl->valid or next;
		2383	$pl->save;
		2384	}
		2385	warn "end emergency player save\n";
		2386
		2387	warn "begin emergency map save\n";
		2388	for my $path (keys %cf::MAP) {
		2389	my $map = $cf::MAP{$path} or next;
		2390	$map->valid or next;
		2391	$map->save;
		2392	}
		2393	warn "end emergency map save\n";
		2394
		2395	warn "begin emergency database checkpoint\n";
		2396	BDB::db_env_txn_checkpoint $DB_ENV;
		2397	warn "end emergency database checkpoint\n";
		2398	};
		2399
		2400	warn "leave emergency perl save\n";
		2401	}
		2402
		2403	sub post_cleanup {
		2404	my ($make_core) = @_;
		2405
		2406	warn Carp::longmess "post_cleanup backtrace"
		2407	if $make_core;
		2408	}
2021		2409
2022	sub reload() {	2410	sub reload() {
2023	# can/must only be called in main	2411	# can/must only be called in main
2024	if ($Coro::current != $Coro::main) {	2412	if ($Coro::current != $Coro::main) {
2025	warn "can only reload from main coroutine\n";	2413	warn "can only reload from main coroutine";
2026	return;	2414	return;
2027	}	2415	}
2028		2416
2029	warn "reloading...";	2417	warn "reloading...";
2030		2418
2031	my $guard = freeze_mainloop;	2419	warn "entering sync_job";
		2420
		2421	cf::sync_job {
		2422	cf::write_runtime; # external watchdog should not bark
2032	cf::emergency_save;	2423	cf::emergency_save;
		2424	cf::write_runtime; # external watchdog should not bark
2033		2425
2034	eval {	2426	warn "syncing database to disk";
		2427	BDB::db_env_txn_checkpoint $DB_ENV;
		2428
2035	# if anything goes wrong in here, we should simply crash as we already saved	2429	# if anything goes wrong in here, we should simply crash as we already saved
2036		2430
2037	# cancel all watchers	2431	warn "cancelling all WF_AUTOCANCEL watchers";
2038	for (Event::all_watchers) {	2432	for (Event::all_watchers) {
2039	$_->cancel if $_->data & WF_AUTOCANCEL;	2433	$_->cancel if $_->data & WF_AUTOCANCEL;
2040	}	2434	}
2041		2435
		2436	warn "flushing outstanding aio requests";
		2437	for (;;) {
		2438	BDB::flush;
		2439	IO::AIO::flush;
		2440	Coro::cede;
		2441	last unless IO::AIO::nreqs || BDB::nreqs;
		2442	warn "iterate...";
		2443	}
		2444
		2445	++$RELOAD;
		2446
2042	# cancel all extension coros	2447	warn "cancelling all extension coros";
2043	$_->cancel for values %EXT_CORO;	2448	$_->cancel for values %EXT_CORO;
2044	%EXT_CORO = ();	2449	%EXT_CORO = ();
2045		2450
2046	# unload all extensions	2451	warn "removing commands";
2047	for (@exts) {	2452	%COMMAND = ();
		2453
		2454	warn "removing ext commands";
		2455	%EXTCMD = ();
		2456
		2457	warn "unloading/nuking all extensions";
		2458	for my $pkg (@EXTS) {
2048	warn "unloading <$_>";	2459	warn "... unloading $pkg";
2049	unload_extension $_;	2460
		2461	if (my $cb = $pkg->can ("unload")) {
		2462	eval {
		2463	$cb->($pkg);
		2464	1
		2465	} or warn "$pkg unloaded, but with errors: $@";
2050	}	2466	}
2051		2467
		2468	warn "... nuking $pkg";
		2469	Symbol::delete_package $pkg;
		2470	}
		2471
2052	# unload all modules loaded from $LIBDIR	2472	warn "unloading all perl modules loaded from $LIBDIR";
2053	while (my ($k, $v) = each %INC) {	2473	while (my ($k, $v) = each %INC) {
2054	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2474	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2055		2475
2056	warn "removing <$k>";	2476	warn "... unloading $k";
2057	delete $INC{$k};	2477	delete $INC{$k};
2058		2478
2059	$k =~ s/\.pm$//;	2479	$k =~ s/\.pm$//;
2060	$k =~ s/\//::/g;	2480	$k =~ s/\//::/g;
2061		2481
…		…
2064	}	2484	}
2065		2485
2066	Symbol::delete_package $k;	2486	Symbol::delete_package $k;
2067	}	2487	}
2068		2488
2069	# sync database to disk
2070	cf::db_sync;
2071	IO::AIO::flush;
2072
2073	# get rid of safe::, as good as possible	2489	warn "getting rid of safe::, as good as possible";
2074	Symbol::delete_package "safe::$_"	2490	Symbol::delete_package "safe::$_"
2075	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2491	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2076		2492
2077	# remove register_script_function callbacks
2078	# TODO
2079
2080	# unload cf.pm "a bit"	2493	warn "unloading cf.pm \"a bit\"";
2081	delete $INC{"cf.pm"};	2494	delete $INC{"cf.pm"};
2082		2495
2083	# don't, removes xs symbols, too,	2496	# don't, removes xs symbols, too,
2084	# and global variables created in xs	2497	# and global variables created in xs
2085	#Symbol::delete_package __PACKAGE__;	2498	#Symbol::delete_package __PACKAGE__;
2086		2499
2087	# reload cf.pm	2500	warn "unload completed, starting to reload now";
		2501
2088	warn "reloading cf.pm";	2502	warn "reloading cf.pm";
2089	require cf;	2503	require cf;
2090	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2504	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2091		2505
2092	# load config and database again	2506	warn "loading config and database again";
2093	cf::cfg_load;	2507	cf::cfg_load;
2094	cf::db_load;
2095		2508
2096	# load extensions
2097	warn "load extensions";	2509	warn "loading extensions";
2098	cf::load_extensions;	2510	cf::load_extensions;
2099		2511
2100	# reattach attachments to objects	2512	warn "reattaching attachments to objects/players";
2101	warn "reattach";	2513	_global_reattach; # objects, sockets
2102	_global_reattach;	2514	warn "reattaching attachments to maps";
2103	};	2515	reattach $_ for values %MAP;
		2516	warn "reattaching attachments to players";
		2517	reattach $_ for values %PLAYER;
2104		2518
2105	if ($@) {	2519	warn "loading reloadable resources";
		2520	reload_resources;
		2521
		2522	warn "leaving sync_job";
		2523
		2524	1
		2525	} or do {
2106	warn $@;	2526	warn $@;
2107	warn "error while reloading, exiting.";	2527	warn "error while reloading, exiting.";
2108	exit 1;	2528	exit 1;
2109	}	2529	};
2110		2530
2111	warn "reloaded successfully";	2531	warn "reloaded";
2112	};	2532	};
2113		2533
2114	#############################################################################	2534	our $RELOAD_WATCHER; # used only during reload
2115
2116	unless ($LINK_MAP) {
2117	$LINK_MAP = cf::map::new;
2118
2119	$LINK_MAP->width (41);
2120	$LINK_MAP->height (41);
2121	$LINK_MAP->alloc;
2122	$LINK_MAP->path ("{link}");
2123	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2124	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2125
2126	# dirty hack because... archetypes are not yet loaded
2127	Event->timer (
2128	after => 2,
2129	cb => sub {
2130	$_[0]->w->cancel;
2131
2132	# provide some exits "home"
2133	my $exit = cf::object::new "exit";
2134
2135	$exit->slaying ($EMERGENCY_POSITION->[0]);
2136	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2137	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2138
2139	$LINK_MAP->insert ($exit->clone, 19, 19);
2140	$LINK_MAP->insert ($exit->clone, 19, 20);
2141	$LINK_MAP->insert ($exit->clone, 19, 21);
2142	$LINK_MAP->insert ($exit->clone, 20, 19);
2143	$LINK_MAP->insert ($exit->clone, 20, 21);
2144	$LINK_MAP->insert ($exit->clone, 21, 19);
2145	$LINK_MAP->insert ($exit->clone, 21, 20);
2146	$LINK_MAP->insert ($exit->clone, 21, 21);
2147
2148	$exit->destroy;
2149	});
2150
2151	$LINK_MAP->{deny_save} = 1;
2152	$LINK_MAP->{deny_reset} = 1;
2153
2154	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2155	}
2156
2157	register "<global>", __PACKAGE__;
2158		2535
2159	register_command "reload" => sub {	2536	register_command "reload" => sub {
2160	my ($who, $arg) = @_;	2537	my ($who, $arg) = @_;
2161		2538
2162	if ($who->flag (FLAG_WIZ)) {	2539	if ($who->flag (FLAG_WIZ)) {
2163	$who->message ("start of reload.");	2540	$who->message ("reloading server.");
		2541
		2542	# doing reload synchronously and two reloads happen back-to-back,
		2543	# coro crashes during coro_state_free->destroy here.
		2544
		2545	$RELOAD_WATCHER ||= Event->timer (
		2546	reentrant => 0,
		2547	after => 0,
		2548	data => WF_AUTOCANCEL,
		2549	cb => sub {
2164	reload;	2550	reload;
2165	$who->message ("end of reload.");	2551	undef $RELOAD_WATCHER;
		2552	},
		2553	);
2166	}	2554	}
2167	};	2555	};
2168		2556
2169	unshift @INC, $LIBDIR;	2557	unshift @INC, $LIBDIR;
		2558
		2559	my $bug_warning = 0;
2170		2560
2171	$TICK_WATCHER = Event->timer (	2561	$TICK_WATCHER = Event->timer (
2172	reentrant => 0,	2562	reentrant => 0,
		2563	parked => 1,
2173	prio => 0,	2564	prio => 0,
2174	at => $NEXT_TICK || $TICK,	2565	at => $NEXT_TICK || $TICK,
2175	data => WF_AUTOCANCEL,	2566	data => WF_AUTOCANCEL,
2176	cb => sub {	2567	cb => sub {
		2568	if ($Coro::current != $Coro::main) {
		2569	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2570	unless ++$bug_warning > 10;
		2571	return;
		2572	}
		2573
		2574	$NOW = Event::time;
		2575
2177	cf::server_tick; # one server iteration	2576	cf::server_tick; # one server iteration
2178	$RUNTIME += $TICK;	2577	$RUNTIME += $TICK;
2179	$NEXT_TICK += $TICK;	2578	$NEXT_TICK += $TICK;
		2579
		2580	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2581	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2582	Coro::async_pool {
		2583	write_runtime
		2584	or warn "ERROR: unable to write runtime file: $!";
		2585	};
		2586	}
		2587
		2588	$WAIT_FOR_TICK->broadcast;
		2589	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2590
		2591	# my $AFTER = Event::time;
		2592	# warn $AFTER - $NOW;#d#
2180		2593
2181	# if we are delayed by four ticks or more, skip them all	2594	# if we are delayed by four ticks or more, skip them all
2182	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2595	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2183		2596
2184	$TICK_WATCHER->at ($NEXT_TICK);	2597	$TICK_WATCHER->at ($NEXT_TICK);
2185	$TICK_WATCHER->start;	2598	$TICK_WATCHER->start;
2186	},	2599	},
2187	);	2600	);
2188		2601
		2602	{
2189	IO::AIO::max_poll_time $TICK * 0.2;	2603	BDB::max_poll_time $TICK * 0.1;
2190		2604	$BDB_POLL_WATCHER = Event->io (
2191	Event->io (	2605	reentrant => 0,
2192	fd => IO::AIO::poll_fileno,	2606	fd => BDB::poll_fileno,
2193	poll => 'r',	2607	poll => 'r',
2194	prio => 5,	2608	prio => 0,
2195	data => WF_AUTOCANCEL,
2196	cb => \&IO::AIO::poll_cb,
2197	);
2198
2199	Event->timer (
2200	data => WF_AUTOCANCEL,	2609	data => WF_AUTOCANCEL,
2201	after => 0,	2610	cb => \&BDB::poll_cb,
2202	interval => 10,	2611	);
2203	cb => sub {	2612	BDB::min_parallel 8;
2204	(Coro::unblock_sub {	2613
2205	write_runtime	2614	BDB::set_sync_prepare {
2206	or warn "ERROR: unable to write runtime file: $!";	2615	my $status;
		2616	my $current = $Coro::current;
		2617	(
		2618	sub {
		2619	$status = $!;
		2620	$current->ready; undef $current;
		2621	},
		2622	sub {
		2623	Coro::schedule while defined $current;
		2624	$! = $status;
		2625	},
		2626	)
		2627	};
		2628
		2629	unless ($DB_ENV) {
		2630	$DB_ENV = BDB::db_env_create;
		2631
		2632	cf::sync_job {
		2633	eval {
		2634	BDB::db_env_open
		2635	$DB_ENV,
		2636	$BDB_ENV_DIR,
		2637	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2638	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2639	0666;
		2640
		2641	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2642
		2643	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2644	$DB_ENV->set_lk_detect;
		2645	};
		2646
		2647	cf::cleanup "db_env_open(db): $@" if $@;
2207	})->();	2648	};
2208	},	2649	}
2209	);	2650	}
		2651
		2652	{
		2653	IO::AIO::min_parallel 8;
		2654
		2655	undef $Coro::AIO::WATCHER;
		2656	IO::AIO::max_poll_time $TICK * 0.1;
		2657	$AIO_POLL_WATCHER = Event->io (
		2658	reentrant => 0,
		2659	data => WF_AUTOCANCEL,
		2660	fd => IO::AIO::poll_fileno,
		2661	poll => 'r',
		2662	prio => 6,
		2663	cb => \&IO::AIO::poll_cb,
		2664	);
		2665	}
2210		2666
2211	END { cf::emergency_save }	2667	END { cf::emergency_save }
2212		2668
2213	1	2669	1
2214		2670

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