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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.164 by root, Thu Jan 11 01:24:25 2007 UTC vs.
Revision 1.254 by root, Thu Apr 19 11:12:45 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use BDB ();
20	use Data::Dumper;	26	use Data::Dumper;
21	use Digest::MD5;	27	use Digest::MD5;
22	use Fcntl;	28	use Fcntl;
		29	use YAML::Syck ();
23	use IO::AIO 2.32 ();	30	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	31	use Time::HiRes;
		32	use Compress::LZF;
26		33
		34	# configure various modules to our taste
		35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
		37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		39
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	40	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		41
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
33		44
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		46
		47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		48
36	our %COMMAND = ();	49	our %COMMAND = ();
37	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
38		51
39	our @EXTS = (); # list of extension package names	52	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	53	our %EXTCMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
43		56
		57	our $RELOAD; # number of reloads so far
44	our @EVENT;	58	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		59
47	our $TICK = MAX_TIME * 1e-6;	60	our $CONFDIR = confdir;
		61	our $DATADIR = datadir;
		62	our $LIBDIR = "$DATADIR/ext";
		63	our $PODDIR = "$DATADIR/pod";
		64	our $MAPDIR = "$DATADIR/" . mapdir;
		65	our $LOCALDIR = localdir;
		66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		69	our $RANDOMDIR = "$LOCALDIR/random";
		70	our $BDBDIR = "$LOCALDIR/db";
		71
		72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	73	our $TICK_WATCHER;
		74	our $AIO_POLL_WATCHER;
		75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	76	our $NEXT_TICK;
50	our $NOW;	77	our $NOW;
		78	our $USE_FSYNC = 1; # use fsync to write maps - default off
		79
		80	our $BDB_POLL_WATCHER;
		81	our $DB_ENV;
51		82
52	our %CFG;	83	our %CFG;
53		84
54	our $UPTIME; $UPTIME ||= time;	85	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	86	our $RUNTIME;
56		87
57	our %PLAYER; # all users	88	our %PLAYER; # all users
58	our %MAP; # all maps	89	our %MAP; # all maps
59	our $LINK_MAP; # the special {link} map	90	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61		91
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	92	# used to convert map paths into valid unix filenames by replacing / by ∕
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
64		94
65	binmode STDOUT;	95	binmode STDOUT;
66	binmode STDERR;	96	binmode STDERR;
67		97
68	# read virtual server time, if available	98	# read virtual server time, if available
69	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
70	open my $fh, "<", cf::localdir . "/runtime"	100	open my $fh, "<", "$LOCALDIR/runtime"
71	or die "unable to read runtime file: $!";	101	or die "unable to read runtime file: $!";
72	$RUNTIME = <$fh> + 0.;	102	$RUNTIME = <$fh> + 0.;
73	}	103	}
74		104
75	mkdir cf::localdir;	105	mkdir $_
76	mkdir cf::localdir . "/" . cf::playerdir;	106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
77	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;
80		107
81	# a special map that is always available
82	our $LINK_MAP;
83	our $EMERGENCY_POSITION;	108	our $EMERGENCY_POSITION;
		109
		110	sub cf::map::normalise;
84		111
85	#############################################################################	112	#############################################################################
86		113
87	=head2 GLOBAL VARIABLES	114	=head2 GLOBAL VARIABLES
88		115
…		…
95	=item $cf::RUNTIME	122	=item $cf::RUNTIME
96		123
97	The time this server has run, starts at 0 and is increased by $cf::TICK on	124	The time this server has run, starts at 0 and is increased by $cf::TICK on
98	every server tick.	125	every server tick.
99		126
100	=item $cf::LIBDIR	127	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		128	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		129	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
101		130
102	The perl library directory, where extensions and cf-specific modules can	131	Various directories - "/etc", read-only install directory, perl-library
103	be found. It will be added to C<@INC> automatically.	132	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		133	unique-items directory, player file directory, random maps directory and
		134	database environment.
104		135
105	=item $cf::NOW	136	=item $cf::NOW
106		137
107	The time of the last (current) server tick.	138	The time of the last (current) server tick.
108		139
…		…
113	=item %cf::CFG	144	=item %cf::CFG
114		145
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	146	Configuration for the server, loaded from C</etc/crossfire/config>, or
116	from wherever your confdir points to.	147	from wherever your confdir points to.
117		148
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	149	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		150
120	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
121	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	152	returns directly I<after> the tick processing (and consequently, can only wake one process
122	processing has been done. Call C<< ->wait >> on them to maximise the	153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
123	window of cpu time available, or simply to synchronise to the server tick.
124		154
125	=back	155	=back
126		156
127	=cut	157	=cut
128		158
129	BEGIN {	159	BEGIN {
130	*CORE::GLOBAL::warn = sub {	160	*CORE::GLOBAL::warn = sub {
131	my $msg = join "", @_;	161	my $msg = join "", @_;
132	utf8::encode $msg;
133		162
134	$msg .= "\n"	163	$msg .= "\n"
135	unless $msg =~ /\n$/;	164	unless $msg =~ /\n$/;
136		165
		166	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		167
		168	utf8::encode $msg;
137	LOG llevError, $msg;	169	LOG llevError, $msg;
138	};	170	};
139	}	171	}
140		172
141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
187	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
188	$d	220	$d
189	} || "[unable to dump $_[0]: '$@']";	221	} || "[unable to dump $_[0]: '$@']";
190	}	222	}
191		223
192	use JSON::Syck (); # TODO# replace by JSON::PC once working	224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
193		225
194	=item $ref = cf::from_json $json	226	=item $ref = cf::from_json $json
195		227
196	Converts a JSON string into the corresponding perl data structure.	228	Converts a JSON string into the corresponding perl data structure.
197		229
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	230	=item $json = cf::to_json $ref
206		231
207	Converts a perl data structure into its JSON representation.	232	Converts a perl data structure into its JSON representation.
208
209	=cut
210
211	sub to_json($) {
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
213	JSON::Syck::Dump $_[0]
214	}
215		233
216	=item cf::lock_wait $string	234	=item cf::lock_wait $string
217		235
218	Wait until the given lock is available. See cf::lock_acquire.	236	Wait until the given lock is available. See cf::lock_acquire.
219		237
…		…
225	returned.	243	returned.
226		244
227	Lock names should begin with a unique identifier (for example, cf::map::find	245	Lock names should begin with a unique identifier (for example, cf::map::find
228	uses map_find and cf::map::load uses map_load).	246	uses map_find and cf::map::load uses map_load).
229		247
		248	=item $locked = cf::lock_active $string
		249
		250	Return true if the lock is currently active, i.e. somebody has locked it.
		251
230	=cut	252	=cut
231		253
232	our %LOCK;	254	our %LOCK;
233		255
234	sub lock_wait($) {	256	sub lock_wait($) {
…		…
253	# wake up all waiters, to be on the safe side	275	# wake up all waiters, to be on the safe side
254	$_->ready for @{ delete $LOCK{$key} };	276	$_->ready for @{ delete $LOCK{$key} };
255	}	277	}
256	}	278	}
257		279
		280	sub lock_active($) {
		281	my ($key) = @_;
		282
		283	! ! $LOCK{$key}
		284	}
		285
258	sub freeze_mainloop {	286	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	287	return unless $TICK_WATCHER->is_active;
260		288
261	my $guard = Coro::guard { $TICK_WATCHER->start };	289	my $guard = Coro::guard {
		290	$TICK_WATCHER->start;
		291	};
262	$TICK_WATCHER->stop;	292	$TICK_WATCHER->stop;
263	$guard	293	$guard
264	}	294	}
265		295
266	=item cf::async { BLOCK }	296	=item cf::async { BLOCK }
…		…
337		367
338	$coro	368	$coro
339	}	369	}
340		370
341	sub write_runtime {	371	sub write_runtime {
342	my $runtime = cf::localdir . "/runtime";	372	my $guard = cf::lock_acquire "write_runtime";
		373
		374	my $runtime = "$LOCALDIR/runtime";
343		375
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
345	or return;	377	or return;
346		378
		379	my $value = $cf::RUNTIME + 90 + 10;
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	380	# 10 is the runtime save interval, for a monotonic clock
		381	# 60 allows for the watchdog to kill the server.
		382
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0	383	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;	384	and return;
350		385
		386	# always fsync - this file is important
351	aio_fsync $fh	387	aio_fsync $fh
352	and return;	388	and return;
353		389
354	close $fh	390	close $fh
355	or return;	391	or return;
…		…
358	and return;	394	and return;
359		395
360	1	396	1
361	}	397	}
362		398
		399	=item cf::datalog type => key => value, ...
		400
		401	Log a datalog packet of the given type with the given key-value pairs.
		402
		403	=cut
		404
		405	sub datalog($@) {
		406	my ($type, %kv) = @_;
		407	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		408	}
		409
363	=back	410	=back
364		411
365	=cut	412	=cut
366
367	#############################################################################
368
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477
478	$path
479	}
480
481	# the original (read-only) location
482	sub load_path {
483	my ($self) = @_;
484
485	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
486	}
487
488	# the temporary/swap location
489	sub save_path {
490	my ($self) = @_;
491
492	$self->{user_rel}
493	? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
494	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
495	}
496
497	# the unique path, undef == no special unique path
498	sub uniq_path {
499	my ($self) = @_;
500
501	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
502	}
503
504	# this is somewhat ugly, but style maps do need special treatment
505	sub is_style_map {
506	$_[0]{path} =~ m{^/styles/}
507	}
508
509	sub load_orig {
510	my ($self) = @_;
511
512	&cf::map::load_map_header ($self->load_path)
513	}
514
515	sub load_temp {
516	my ($self) = @_;
517
518	&cf::map::load_map_header ($self->save_path)
519	}
520
521	sub unlink_save {
522	my ($self) = @_;
523
524	utf8::encode (my $save = $self->save_path);
525	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
526	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
527	}
528
529	package cf;
530		413
531	#############################################################################	414	#############################################################################
532		415
533	=head2 ATTACHABLE OBJECTS	416	=head2 ATTACHABLE OBJECTS
534		417
…		…
660	our @CB_TYPE = (); # registry for type (cf-object class) based events	543	our @CB_TYPE = (); # registry for type (cf-object class) based events
661	our @CB_MAP = ();	544	our @CB_MAP = ();
662		545
663	my %attachment;	546	my %attachment;
664		547
		548	sub cf::attachable::thawer_merge {
		549	# simply override everything except _meta
		550	local $_[0]{_meta};
		551	%{$_[0]} = %{$_[1]};
		552	}
		553
665	sub _attach_cb($$$$) {	554	sub _attach_cb($$$$) {
666	my ($registry, $event, $prio, $cb) = @_;	555	my ($registry, $event, $prio, $cb) = @_;
667		556
668	use sort 'stable';	557	use sort 'stable';
669		558
…		…
840	# object support	729	# object support
841		730
842	sub reattach {	731	sub reattach {
843	# basically do the same as instantiate, without calling instantiate	732	# basically do the same as instantiate, without calling instantiate
844	my ($obj) = @_;	733	my ($obj) = @_;
		734
		735	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
845		736
846	my $registry = $obj->registry;	737	my $registry = $obj->registry;
847		738
848	@$registry = ();	739	@$registry = ();
849		740
…		…
896	$filename, length $$rdata, scalar @$objs;	787	$filename, length $$rdata, scalar @$objs;
897		788
898	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
899	chmod SAVE_MODE, $fh;	790	chmod SAVE_MODE, $fh;
900	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
901	aio_fsync $fh;	792	aio_fsync $fh if $cf::USE_FSYNC;
902	close $fh;	793	close $fh;
903		794
904	if (@$objs) {	795	if (@$objs) {
905	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	796	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
906	chmod SAVE_MODE, $fh;	797	chmod SAVE_MODE, $fh;
907	my $data = Storable::nfreeze { version => 1, objs => $objs };	798	my $data = Storable::nfreeze { version => 1, objs => $objs };
908	aio_write $fh, 0, (length $data), $data, 0;	799	aio_write $fh, 0, (length $data), $data, 0;
909	aio_fsync $fh;	800	aio_fsync $fh if $cf::USE_FSYNC;
910	close $fh;	801	close $fh;
911	aio_rename "$filename.pst~", "$filename.pst";	802	aio_rename "$filename.pst~", "$filename.pst";
912	}	803	}
913	} else {	804	} else {
914	aio_unlink "$filename.pst";	805	aio_unlink "$filename.pst";
…		…
1036	"package $pkg; use strict; use utf8;\n"	927	"package $pkg; use strict; use utf8;\n"
1037	. "#line 1 \"$path\"\n{\n"	928	. "#line 1 \"$path\"\n{\n"
1038	. (do { local $/; <$fh> })	929	. (do { local $/; <$fh> })
1039	. "\n};\n1";	930	. "\n};\n1";
1040		931
1041	eval $source	932	unless (eval $source) {
1042	or die $@ ? "$path: $@\n"	933	my $msg = $@ ? "$path: $@\n"
1043	: "extension disabled.\n";	934	: "extension disabled.\n";
		935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
		936	warn $@;
		937	warn "mandatory extension failed to load, exiting.\n";
		938	exit 1;
		939	}
		940	die $@;
		941	}
1044		942
1045	push @EXTS, $pkg;	943	push @EXTS, $pkg;
1046	}	944	}
1047		945
1048	sub load_extensions {	946	sub load_extensions {
…		…
1054	} or warn "$ext not loaded: $@";	952	} or warn "$ext not loaded: $@";
1055	}	953	}
1056	}	954	}
1057		955
1058	#############################################################################	956	#############################################################################
1059	# load/save/clean perl data associated with a map
1060
1061	*cf::mapsupport::on_clean = sub {
1062	my ($map) = @_;
1063
1064	my $path = $map->tmpname;
1065	defined $path or return;
1066
1067	unlink "$path.pst";
1068	};
1069
1070	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1071
1072	#############################################################################
1073		957
1074	=head2 CORE EXTENSIONS	958	=head2 CORE EXTENSIONS
1075		959
1076	Functions and methods that extend core crossfire objects.	960	Functions and methods that extend core crossfire objects.
1077		961
…		…
1090	Returns the given player object, loading it if necessary (might block).	974	Returns the given player object, loading it if necessary (might block).
1091		975
1092	=cut	976	=cut
1093		977
1094	sub playerdir($) {	978	sub playerdir($) {
1095	cf::localdir	979	"$PLAYERDIR/"
1096	. "/"
1097	. cf::playerdir
1098	. "/"
1099	. (ref $_[0] ? $_[0]->ob->name : $_[0])	980	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1100	}	981	}
1101		982
1102	sub path($) {	983	sub path($) {
1103	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	984	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1104		985
1105	(playerdir $login) . "/$login.pl"	986	(playerdir $login) . "/playerdata"
1106	}	987	}
1107		988
1108	sub find_active($) {	989	sub find_active($) {
1109	$cf::PLAYER{$_[0]}	990	$cf::PLAYER{$_[0]}
1110	and $cf::PLAYER{$_[0]}->active	991	and $cf::PLAYER{$_[0]}->active
…		…
1113		994
1114	sub exists($) {	995	sub exists($) {
1115	my ($login) = @_;	996	my ($login) = @_;
1116		997
1117	$cf::PLAYER{$login}	998	$cf::PLAYER{$login}
1118	or cf::sync_job { !aio_stat $login }	999	or cf::sync_job { !aio_stat path $login }
1119	}	1000	}
1120		1001
1121	sub find($) {	1002	sub find($) {
1122	return $cf::PLAYER{$_[0]} || do {	1003	return $cf::PLAYER{$_[0]} || do {
1123	my $login = $_[0];	1004	my $login = $_[0];
1124		1005
1125	my $guard = cf::lock_acquire "user_find:$login";	1006	my $guard = cf::lock_acquire "user_find:$login";
1126		1007
1127	$cf::PLAYER{$_[0]} || do {	1008	$cf::PLAYER{$_[0]} || do {
		1009	# rename old playerfiles to new ones
		1010	#TODO: remove when no longer required
		1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1014	aio_unlink +(playerdir $login) . "/$login.pl";
		1015
1128	my $pl = load_pl path $login	1016	my $pl = load_pl path $login
1129	or return;	1017	or return;
1130	$cf::PLAYER{$login} = $pl	1018	$cf::PLAYER{$login} = $pl
1131	}	1019	}
1132	}	1020	}
…		…
1169		1057
1170	=cut	1058	=cut
1171		1059
1172	sub quit_character {	1060	sub quit_character {
1173	my ($pl) = @_;	1061	my ($pl) = @_;
		1062
		1063	my $name = $pl->ob->name;
1174		1064
1175	$pl->{deny_save} = 1;	1065	$pl->{deny_save} = 1;
1176	$pl->password ("*"); # this should lock out the player until we nuked the dir	1066	$pl->password ("*"); # this should lock out the player until we nuked the dir
1177		1067
1178	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1183	my $path = playerdir $pl;	1073	my $path = playerdir $pl;
1184	my $temp = "$path~$cf::RUNTIME~deleting~";	1074	my $temp = "$path~$cf::RUNTIME~deleting~";
1185	aio_rename $path, $temp;	1075	aio_rename $path, $temp;
1186	delete $cf::PLAYER{$pl->ob->name};	1076	delete $cf::PLAYER{$pl->ob->name};
1187	$pl->destroy;	1077	$pl->destroy;
		1078
		1079	my $prefix = qr<^~\Q$name\E/>;
		1080
		1081	# nuke player maps
		1082	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1083
1188	IO::AIO::aio_rmtree $temp;	1084	IO::AIO::aio_rmtree $temp;
		1085	}
		1086
		1087	=item $pl->kick
		1088
		1089	Kicks a player out of the game. This destroys the connection.
		1090
		1091	=cut
		1092
		1093	sub kick {
		1094	my ($pl, $kicker) = @_;
		1095
		1096	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1097	$pl->killer ("kicked");
		1098	$pl->ns->destroy;
1189	}	1099	}
1190		1100
1191	=item cf::player::list_logins	1101	=item cf::player::list_logins
1192		1102
1193	Returns am arrayref of all valid playernames in the system, can take a	1103	Returns am arrayref of all valid playernames in the system, can take a
1194	while and may block, so not sync_job-capable, ever.	1104	while and may block, so not sync_job-capable, ever.
1195		1105
1196	=cut	1106	=cut
1197		1107
1198	sub list_logins {	1108	sub list_logins {
1199	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1109	my $dirs = aio_readdir $PLAYERDIR
1200	or return [];	1110	or return [];
1201		1111
1202	my @logins;	1112	my @logins;
1203		1113
1204	for my $login (@$dirs) {	1114	for my $login (@$dirs) {
…		…
1213	\@logins	1123	\@logins
1214	}	1124	}
1215		1125
1216	=item $player->maps	1126	=item $player->maps
1217		1127
1218	Returns an arrayref of cf::path's of all maps that are private for this	1128	Returns an arrayref of map paths that are private for this
1219	player. May block.	1129	player. May block.
1220		1130
1221	=cut	1131	=cut
1222		1132
1223	sub maps($) {	1133	sub maps($) {
1224	my ($pl) = @_;	1134	my ($pl) = @_;
		1135
		1136	$pl = ref $pl ? $pl->ob->name : $pl;
1225		1137
1226	my $files = aio_readdir playerdir $pl	1138	my $files = aio_readdir playerdir $pl
1227	or return;	1139	or return;
1228		1140
1229	my @paths;	1141	my @paths;
…		…
1231	for (@$files) {	1143	for (@$files) {
1232	utf8::decode $_;	1144	utf8::decode $_;
1233	next if /\.(?:pl|pst)$/;	1145	next if /\.(?:pl|pst)$/;
1234	next unless /^$PATH_SEP/o;	1146	next unless /^$PATH_SEP/o;
1235		1147
1236	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1148	push @paths, cf::map::normalise "~$pl/$_";
1237	}	1149	}
1238		1150
1239	\@paths	1151	\@paths
1240	}	1152	}
1241		1153
1242	=item $player->ext_reply ($msgid, $msgtype, %msg)	1154	=item $player->ext_reply ($msgid, %msg)
1243		1155
1244	Sends an ext reply to the player.	1156	Sends an ext reply to the player.
1245		1157
1246	=cut	1158	=cut
1247		1159
1248	sub ext_reply($$$%) {	1160	sub ext_reply($$%) {
1249	my ($self, $id, %msg) = @_;	1161	my ($self, $id, %msg) = @_;
1250		1162
1251	$msg{msgid} = $id;	1163	$msg{msgid} = $id;
1252		1164
1253	$self->send ("ext " . cf::to_json \%msg);	1165	$self->send ("ext " . cf::to_json \%msg);
1254	}	1166	}
1255		1167
1256	package cf;	1168	=item $player->ext_event ($type, %msg)
		1169
		1170	Sends an ext event to the client.
		1171
		1172	=cut
		1173
		1174	sub ext_event($$%) {
		1175	my ($self, $type, %msg) = @_;
		1176
		1177	$self->ns->ext_event ($type, %msg);
		1178	}
		1179
		1180	=head3 cf::region
		1181
		1182	=over 4
		1183
		1184	=cut
		1185
		1186	package cf::region;
		1187
		1188	=item cf::region::find_by_path $path
		1189
		1190	Tries to decuce the probable region for a map knowing only its path.
		1191
		1192	=cut
		1193
		1194	sub find_by_path($) {
		1195	my ($path) = @_;
		1196
		1197	my ($match, $specificity);
		1198
		1199	for my $region (list) {
		1200	if ($region->match && $path =~ $region->match) {
		1201	($match, $specificity) = ($region, $region->specificity)
		1202	if $region->specificity > $specificity;
		1203	}
		1204	}
		1205
		1206	$match
		1207	}
1257		1208
1258	=back	1209	=back
1259
1260		1210
1261	=head3 cf::map	1211	=head3 cf::map
1262		1212
1263	=over 4	1213	=over 4
1264		1214
…		…
1267	package cf::map;	1217	package cf::map;
1268		1218
1269	use Fcntl;	1219	use Fcntl;
1270	use Coro::AIO;	1220	use Coro::AIO;
1271		1221
		1222	use overload
		1223	'""' => \&as_string,
		1224	fallback => 1;
		1225
1272	our $MAX_RESET = 3600;	1226	our $MAX_RESET = 3600;
1273	our $DEFAULT_RESET = 3000;	1227	our $DEFAULT_RESET = 3000;
1274		1228
1275	sub generate_random_map {	1229	sub generate_random_map {
1276	my ($path, $rmp) = @_;	1230	my ($self, $rmp) = @_;
1277
1278	# mit "rum" bekleckern, nicht	1231	# mit "rum" bekleckern, nicht
1279	cf::map::_create_random_map (	1232	$self->_create_random_map (
1280	$path,
1281	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1282	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1283	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1284	$rmp->{exit_on_final_map},	1236	$rmp->{exit_on_final_map},
1285	$rmp->{xsize}, $rmp->{ysize},	1237	$rmp->{xsize}, $rmp->{ysize},
…		…
1290	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1242	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1291	(cf::region::find $rmp->{region}), $rmp->{custom}	1243	(cf::region::find $rmp->{region}), $rmp->{custom}
1292	)	1244	)
1293	}	1245	}
1294		1246
		1247	=item cf::map->register ($regex, $prio)
		1248
		1249	Register a handler for the map path matching the given regex at the
		1250	givne priority (higher is better, built-in handlers have priority 0, the
		1251	default).
		1252
		1253	=cut
		1254
		1255	sub register {
		1256	my (undef, $regex, $prio) = @_;
		1257	my $pkg = caller;
		1258
		1259	no strict;
		1260	push @{"$pkg\::ISA"}, __PACKAGE__;
		1261
		1262	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1263	}
		1264
		1265	# also paths starting with '/'
		1266	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1267
		1268	sub thawer_merge {
		1269	my ($self, $merge) = @_;
		1270
		1271	# we have to keep some variables in memory intact
		1272	local $self->{path};
		1273	local $self->{load_path};
		1274	local $self->{deny_save};
		1275	local $self->{deny_reset};
		1276
		1277	$self->SUPER::thawer_merge ($merge);
		1278	}
		1279
		1280	sub normalise {
		1281	my ($path, $base) = @_;
		1282
		1283	$path = "$path"; # make sure its a string
		1284
		1285	$path =~ s/\.map$//;
		1286
		1287	# map plan:
		1288	#
		1289	# /! non-realised random map exit (special hack!)
		1290	# {... are special paths that are not being touched
		1291	# ?xxx/... are special absolute paths
		1292	# ?random/... random maps
		1293	# /... normal maps
		1294	# ~user/... per-player map of a specific user
		1295
		1296	$path =~ s/$PATH_SEP/\//go;
		1297
		1298	# treat it as relative path if it starts with
		1299	# something that looks reasonable
		1300	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1301	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1302
		1303	$base =~ s{[^/]+/?$}{};
		1304	$path = "$base/$path";
		1305	}
		1306
		1307	for ($path) {
		1308	redo if s{//}{/};
		1309	redo if s{/\.?/}{/};
		1310	redo if s{/[^/]+/\.\./}{/};
		1311	}
		1312
		1313	$path
		1314	}
		1315
		1316	sub new_from_path {
		1317	my (undef, $path, $base) = @_;
		1318
		1319	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1320
		1321	$path = normalise $path, $base;
		1322
		1323	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1324	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1325	my $self = bless cf::map::new, $pkg;
		1326	$self->{path} = $path; $self->path ($path);
		1327	$self->init; # pass $1 etc.
		1328	return $self;
		1329	}
		1330	}
		1331
		1332	Carp::carp "unable to resolve path '$path' (base '$base').";
		1333	()
		1334	}
		1335
		1336	sub init {
		1337	my ($self) = @_;
		1338
		1339	$self
		1340	}
		1341
		1342	sub as_string {
		1343	my ($self) = @_;
		1344
		1345	"$self->{path}"
		1346	}
		1347
		1348	# the displayed name, this is a one way mapping
		1349	sub visible_name {
		1350	&as_string
		1351	}
		1352
		1353	# the original (read-only) location
		1354	sub load_path {
		1355	my ($self) = @_;
		1356
		1357	"$MAPDIR/$self->{path}.map"
		1358	}
		1359
		1360	# the temporary/swap location
		1361	sub save_path {
		1362	my ($self) = @_;
		1363
		1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1365	"$TMPDIR/$path.map"
		1366	}
		1367
		1368	# the unique path, undef == no special unique path
		1369	sub uniq_path {
		1370	my ($self) = @_;
		1371
		1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1373	"$UNIQUEDIR/$path"
		1374	}
		1375
1295	# and all this just because we cannot iterate over	1376	# and all this just because we cannot iterate over
1296	# all maps in C++...	1377	# all maps in C++...
1297	sub change_all_map_light {	1378	sub change_all_map_light {
1298	my ($change) = @_;	1379	my ($change) = @_;
1299		1380
1300	$_->change_map_light ($change)	1381	$_->change_map_light ($change)
1301	for grep $_->outdoor, values %cf::MAP;	1382	for grep $_->outdoor, values %cf::MAP;
1302	}	1383	}
1303		1384
		1385	sub unlink_save {
		1386	my ($self) = @_;
		1387
		1388	utf8::encode (my $save = $self->save_path);
		1389	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1390	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1391	}
		1392
1304	sub load_map_header($) {	1393	sub load_header_from($) {
1305	my ($path) = @_;	1394	my ($self, $path) = @_;
1306		1395
1307	utf8::encode $path;	1396	utf8::encode $path;
1308	aio_open $path, O_RDONLY, 0	1397	#aio_open $path, O_RDONLY, 0
		1398	# or return;
		1399
		1400	$self->_load_header ($path)
1309	or return;	1401	or return;
1310		1402
1311	my $map = cf::map::new	1403	$self->{load_path} = $path;
		1404
		1405	1
		1406	}
		1407
		1408	sub load_header_orig {
		1409	my ($self) = @_;
		1410
		1411	$self->load_header_from ($self->load_path)
		1412	}
		1413
		1414	sub load_header_temp {
		1415	my ($self) = @_;
		1416
		1417	$self->load_header_from ($self->save_path)
		1418	}
		1419
		1420	sub prepare_temp {
		1421	my ($self) = @_;
		1422
		1423	$self->last_access ((delete $self->{last_access})
		1424	|| $cf::RUNTIME); #d#
		1425	# safety
		1426	$self->{instantiate_time} = $cf::RUNTIME
		1427	if $self->{instantiate_time} > $cf::RUNTIME;
		1428	}
		1429
		1430	sub prepare_orig {
		1431	my ($self) = @_;
		1432
		1433	$self->{load_original} = 1;
		1434	$self->{instantiate_time} = $cf::RUNTIME;
		1435	$self->last_access ($cf::RUNTIME);
		1436	$self->instantiate;
		1437	}
		1438
		1439	sub load_header {
		1440	my ($self) = @_;
		1441
		1442	if ($self->load_header_temp) {
		1443	$self->prepare_temp;
		1444	} else {
		1445	$self->load_header_orig
1312	or return;	1446	or return;
		1447	$self->prepare_orig;
		1448	}
1313		1449
1314	# for better error messages only, will be overwritten later	1450	$self->default_region (cf::region::find_by_path $self->{path})
1315	$map->path ($path);	1451	unless $self->default_region;
1316		1452
1317	$map->load_header ($path)	1453	1
1318	or return;
1319
1320	$map->{load_path} = $path;
1321
1322	$map
1323	}	1454	}
1324		1455
1325	sub find;	1456	sub find;
1326	sub find {	1457	sub find {
1327	my ($path, $origin) = @_;	1458	my ($path, $origin) = @_;
1328		1459
1329	#warn "find<$path,$origin>\n";#d#
1330
1331	$path = new cf::path $path, $origin && $origin->path;	1460	$path = normalise $path, $origin && $origin->path;
1332	my $key = $path->as_string;
1333		1461
1334	cf::lock_wait "map_find:$key";	1462	cf::lock_wait "map_find:$path";
1335		1463
1336	$cf::MAP{$key} || do {	1464	$cf::MAP{$path} || do {
1337	my $guard = cf::lock_acquire "map_find:$key";	1465	my $guard = cf::lock_acquire "map_find:$path";
1338		1466	my $map = new_from_path cf::map $path
1339	# do it the slow way
1340	my $map = $path->load_temp;
1341
1342	Coro::cede;
1343
1344	if ($map) {
1345	$map->last_access ((delete $map->{last_access})
1346	|| $cf::RUNTIME); #d#
1347	# safety
1348	$map->{instantiate_time} = $cf::RUNTIME
1349	if $map->{instantiate_time} > $cf::RUNTIME;
1350	} else {
1351	$map = $path->load_orig
1352	or return;	1467	or return;
1353		1468
1354	$map->{load_original} = 1;
1355	$map->{instantiate_time} = $cf::RUNTIME;
1356	$map->last_access ($cf::RUNTIME);
1357	$map->instantiate;
1358
1359	# per-player maps become, after loading, normal maps
1360	$map->per_player (0) if $path->{user_rel};
1361	}
1362
1363	$map->path ($key);
1364	$map->{path} = $path;
1365	$map->{last_save} = $cf::RUNTIME;	1469	$map->{last_save} = $cf::RUNTIME;
1366		1470
1367	Coro::cede;	1471	$map->load_header
		1472	or return;
1368		1473
1369	if ($map->should_reset) {	1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1475	# doing this can freeze the server in a sync job, obviously
		1476	#$cf::WAIT_FOR_TICK->wait;
1370	$map->reset;	1477	$map->reset;
1371	undef $guard;	1478	undef $guard;
1372	$map = find $path	1479	return find $path;
1373	or return;
1374	}	1480	}
1375		1481
1376	$cf::MAP{$key} = $map	1482	$cf::MAP{$path} = $map
1377	}	1483	}
1378	}	1484	}
		1485
		1486	sub pre_load { }
		1487	sub post_load { }
1379		1488
1380	sub load {	1489	sub load {
1381	my ($self) = @_;	1490	my ($self) = @_;
1382		1491
		1492	local $self->{deny_reset} = 1; # loading can take a long time
		1493
1383	my $path = $self->{path};	1494	my $path = $self->{path};
1384	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1495	my $guard = cf::lock_acquire "map_load:$path";
1385		1496
1386	return if $self->in_memory != cf::MAP_SWAPPED;	1497	return if $self->in_memory != cf::MAP_SWAPPED;
1387		1498
1388	$self->in_memory (cf::MAP_LOADING);	1499	$self->in_memory (cf::MAP_LOADING);
1389		1500
1390	$self->alloc;	1501	$self->alloc;
		1502
		1503	$self->pre_load;
		1504	Coro::cede;
		1505
1391	$self->load_objects ($self->{load_path}, 1)	1506	$self->_load_objects ($self->{load_path}, 1)
1392	or return;	1507	or return;
1393		1508
1394	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1509	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1395	if delete $self->{load_original};	1510	if delete $self->{load_original};
1396		1511
1397	if (my $uniq = $path->uniq_path) {	1512	if (my $uniq = $self->uniq_path) {
1398	utf8::encode $uniq;	1513	utf8::encode $uniq;
1399	if (aio_open $uniq, O_RDONLY, 0) {	1514	if (aio_open $uniq, O_RDONLY, 0) {
1400	$self->clear_unique_items;	1515	$self->clear_unique_items;
1401	$self->load_objects ($uniq, 0);	1516	$self->_load_objects ($uniq, 0);
1402	}	1517	}
1403	}	1518	}
1404		1519
1405	Coro::cede;	1520	Coro::cede;
1406
1407	# now do the right thing for maps	1521	# now do the right thing for maps
1408	$self->link_multipart_objects;	1522	$self->link_multipart_objects;
		1523	Coro::cede;
1409		1524
1410	if ($self->{path}->is_style_map) {	1525	unless ($self->{deny_activate}) {
1411	$self->{deny_save} = 1;
1412	$self->{deny_reset} = 1;
1413	} else {
1414	$self->decay_objects;	1526	$self->decay_objects;
1415	$self->fix_auto_apply;	1527	$self->fix_auto_apply;
1416	$self->update_buttons;	1528	$self->update_buttons;
		1529	Coro::cede;
1417	$self->set_darkness_map;	1530	$self->set_darkness_map;
1418	$self->difficulty ($self->estimate_difficulty)	1531	$self->difficulty ($self->estimate_difficulty)
1419	unless $self->difficulty;	1532	unless $self->difficulty;
		1533	Coro::cede;
1420	$self->activate;	1534	$self->activate;
		1535	Coro::cede;
1421	}	1536	}
1422		1537
		1538	$self->post_load;
1423	Coro::cede;	1539	Coro::cede;
1424		1540
1425	$self->in_memory (cf::MAP_IN_MEMORY);	1541	$self->in_memory (cf::MAP_IN_MEMORY);
		1542	}
		1543
		1544	sub customise_for {
		1545	my ($self, $ob) = @_;
		1546
		1547	return find "~" . $ob->name . "/" . $self->{path}
		1548	if $self->per_player;
		1549
		1550	$self
1426	}	1551	}
1427		1552
1428	# find and load all maps in the 3x3 area around a map	1553	# find and load all maps in the 3x3 area around a map
1429	sub load_diag {	1554	sub load_diag {
1430	my ($map) = @_;	1555	my ($map) = @_;
…		…
1460		1585
1461	cf::sync_job { $map->load };	1586	cf::sync_job { $map->load };
1462	}	1587	}
1463		1588
1464	our %MAP_PREFETCH;	1589	our %MAP_PREFETCH;
1465	our $MAP_PREFETCHER = Coro::async {	1590	our $MAP_PREFETCHER = undef;
1466	while () {
1467	while (%MAP_PREFETCH) {
1468	my $key = each %MAP_PREFETCH
1469	or next;
1470	my $path = delete $MAP_PREFETCH{$key};
1471
1472	my $map = find $path
1473	or next;
1474	$map->load;
1475	}
1476	Coro::schedule;
1477	}
1478	};
1479		1591
1480	sub find_async {	1592	sub find_async {
1481	my ($path, $origin) = @_;	1593	my ($path, $origin) = @_;
1482		1594
1483	$path = new cf::path $path, $origin && $origin->path;	1595	$path = normalise $path, $origin && $origin->{path};
1484	my $key = $path->as_string;
1485		1596
1486	if (my $map = $cf::MAP{$key}) {	1597	if (my $map = $cf::MAP{$path}) {
1487	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1598	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1488	}	1599	}
1489		1600
1490	$MAP_PREFETCH{$key} = $path;	1601	undef $MAP_PREFETCH{$path};
		1602	$MAP_PREFETCHER ||= cf::async {
		1603	while (%MAP_PREFETCH) {
		1604	for my $path (keys %MAP_PREFETCH) {
		1605	my $map = find $path
		1606	or next;
		1607	$map->load;
		1608
		1609	delete $MAP_PREFETCH{$path};
		1610	}
		1611	}
		1612	undef $MAP_PREFETCHER;
		1613	};
1491	$MAP_PREFETCHER->ready;	1614	$MAP_PREFETCHER->prio (6);
1492		1615
1493	()	1616	()
1494	}	1617	}
1495		1618
1496	sub save {	1619	sub save {
…		…
1500		1623
1501	$self->{last_save} = $cf::RUNTIME;	1624	$self->{last_save} = $cf::RUNTIME;
1502		1625
1503	return unless $self->dirty;	1626	return unless $self->dirty;
1504		1627
1505	my $save = $self->{path}->save_path; utf8::encode $save;	1628	my $save = $self->save_path; utf8::encode $save;
1506	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1629	my $uniq = $self->uniq_path; utf8::encode $uniq;
1507		1630
1508	$self->{load_path} = $save;	1631	$self->{load_path} = $save;
1509		1632
1510	return if $self->{deny_save};	1633	return if $self->{deny_save};
1511		1634
…		…
1514	cf::async {	1637	cf::async {
1515	$_->contr->save for $self->players;	1638	$_->contr->save for $self->players;
1516	};	1639	};
1517		1640
1518	if ($uniq) {	1641	if ($uniq) {
1519	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1642	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1520	$self->save_objects ($uniq, cf::IO_UNIQUES);	1643	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1521	} else {	1644	} else {
1522	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1645	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1523	}	1646	}
1524	}	1647	}
1525		1648
1526	sub swap_out {	1649	sub swap_out {
1527	my ($self) = @_;	1650	my ($self) = @_;
…		…
1541		1664
1542	sub reset_at {	1665	sub reset_at {
1543	my ($self) = @_;	1666	my ($self) = @_;
1544		1667
1545	# TODO: safety, remove and allow resettable per-player maps	1668	# TODO: safety, remove and allow resettable per-player maps
1546	return 1e99 if $self->{path}{user_rel};	1669	return 1e99 if $self->isa ("ext::map_per_player");#d#
1547	return 1e99 if $self->{deny_reset};	1670	return 1e99 if $self->{deny_reset};
1548		1671
1549	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1672	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1550	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1673	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1551		1674
…		…
1556	my ($self) = @_;	1679	my ($self) = @_;
1557		1680
1558	$self->reset_at <= $cf::RUNTIME	1681	$self->reset_at <= $cf::RUNTIME
1559	}	1682	}
1560		1683
1561	sub rename {
1562	my ($self, $new_path) = @_;
1563
1564	$self->{path}->unlink_save;
1565
1566	delete $cf::MAP{$self->path};
1567	$self->{path} = new cf::path $new_path;
1568	$self->path ($self->{path}->as_string);
1569	$cf::MAP{$self->path} = $self;
1570
1571	$self->save;
1572	}
1573
1574	sub reset {	1684	sub reset {
1575	my ($self) = @_;	1685	my ($self) = @_;
1576		1686
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	1687	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		1688
1579	return if $self->players;	1689	return if $self->players;
1580	return if $self->{path}{user_rel};#d#	1690	return if $self->isa ("ext::map_per_player");#d#
1581		1691
1582	warn "resetting map ", $self->path;#d#	1692	warn "resetting map ", $self->path;#d#
1583		1693
		1694	$self->in_memory (cf::MAP_SWAPPED);
		1695
		1696	# need to save uniques path
		1697	unless ($self->{deny_save}) {
		1698	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1699
		1700	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1701	if $uniq;
		1702	}
		1703
1584	delete $cf::MAP{$self->path};	1704	delete $cf::MAP{$self->path};
1585		1705
		1706	$self->clear;
		1707
1586	$_->clear_links_to ($self) for values %cf::MAP;	1708	$_->clear_links_to ($self) for values %cf::MAP;
1587		1709
1588	$self->{path}->unlink_save;	1710	$self->unlink_save;
1589	$self->destroy;	1711	$self->destroy;
1590	}	1712	}
1591		1713
1592	my $nuke_counter = "aaaa";	1714	my $nuke_counter = "aaaa";
1593		1715
1594	sub nuke {	1716	sub nuke {
1595	my ($self) = @_;	1717	my ($self) = @_;
1596		1718
		1719	delete $cf::MAP{$self->path};
		1720
		1721	$self->unlink_save;
		1722
		1723	bless $self, "cf::map";
		1724	delete $self->{deny_reset};
1597	$self->{deny_save} = 1;	1725	$self->{deny_save} = 1;
1598	$self->reset_timeout (1);	1726	$self->reset_timeout (1);
1599	$self->rename ("{nuke}/" . ($nuke_counter++));	1727	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1728
		1729	$cf::MAP{$self->path} = $self;
		1730
1600	$self->reset; # polite request, might not happen	1731	$self->reset; # polite request, might not happen
1601	}	1732	}
1602		1733
1603	sub customise_for {
1604	my ($map, $ob) = @_;
1605
1606	if ($map->per_player) {
1607	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1608	}
1609
1610	$map
1611	}
1612
1613	=item cf::map::unique_maps	1734	=item cf::map::unique_maps
1614		1735
1615	Returns an arrayref of cf::path's of all shared maps that have	1736	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	1737	instantiated unique items. May block.
1617		1738
1618	=cut	1739	=cut
1619		1740
1620	sub unique_maps() {	1741	sub unique_maps() {
1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1742	my $files = aio_readdir $UNIQUEDIR
1622	or return;	1743	or return;
1623		1744
1624	my @paths;	1745	my @paths;
1625		1746
1626	for (@$files) {	1747	for (@$files) {
1627	utf8::decode $_;	1748	utf8::decode $_;
1628	next if /\.pst$/;	1749	next if /\.pst$/;
1629	next unless /^$PATH_SEP/o;	1750	next unless /^$PATH_SEP/o;
1630		1751
1631	push @paths, new cf::path $_;	1752	push @paths, cf::map::normalise $_;
1632	}	1753	}
1633		1754
1634	\@paths	1755	\@paths
1635	}	1756	}
1636		1757
…		…
1711		1832
1712	=item $player_object->enter_link	1833	=item $player_object->enter_link
1713		1834
1714	Freezes the player and moves him/her to a special map (C<{link}>).	1835	Freezes the player and moves him/her to a special map (C<{link}>).
1715		1836
1716	The player should be reaosnably safe there for short amounts of time. You	1837	The player should be reasonably safe there for short amounts of time. You
1717	I<MUST> call C<leave_link> as soon as possible, though.	1838	I<MUST> call C<leave_link> as soon as possible, though.
1718		1839
		1840	Will never block.
		1841
1719	=item $player_object->leave_link ($map, $x, $y)	1842	=item $player_object->leave_link ($map, $x, $y)
1720		1843
1721	Moves the player out of the specila link map onto the given map. If the	1844	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	1845	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	1846	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	1847	fails, to the emergency map position.
1725		1848
1726	Might block.	1849	Might block.
1727		1850
1728	=cut	1851	=cut
		1852
		1853	sub link_map {
		1854	unless ($LINK_MAP) {
		1855	$LINK_MAP = cf::map::find "{link}"
		1856	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1857	$LINK_MAP->load;
		1858	}
		1859
		1860	$LINK_MAP
		1861	}
1729		1862
1730	sub cf::object::player::enter_link {	1863	sub cf::object::player::enter_link {
1731	my ($self) = @_;	1864	my ($self) = @_;
1732		1865
1733	$self->deactivate_recursive;	1866	$self->deactivate_recursive;
1734		1867
1735	return if $self->map == $LINK_MAP;	1868	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		1869
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1870	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	1871	if $self->map;
1739		1872
1740	$self->enter_map ($LINK_MAP, 20, 20);	1873	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	1874	}
1742		1875
1743	sub cf::object::player::leave_link {	1876	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	1877	my ($self, $map, $x, $y) = @_;
1745		1878
…		…
1767	$map->load;	1900	$map->load;
1768	$map->load_diag;	1901	$map->load_diag;
1769		1902
1770	return unless $self->contr->active;	1903	return unless $self->contr->active;
1771	$self->activate_recursive;	1904	$self->activate_recursive;
		1905
		1906	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772	$self->enter_map ($map, $x, $y);	1907	$self->enter_map ($map, $x, $y);
1773	}	1908	}
1774		1909
1775	cf::player->attach (	1910	cf::player->attach (
1776	on_logout => sub {	1911	on_logout => sub {
…		…
1789	# try to abort aborted map switching on player login :)	1924	# try to abort aborted map switching on player login :)
1790	# should happen only on crashes	1925	# should happen only on crashes
1791	if ($pl->ob->{_link_pos}) {	1926	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;	1927	$pl->ob->enter_link;
1793	(async {	1928	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,	1929	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "	1930	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",	1931	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);	1932	cf::NDI_RED);
		1933	# we need this sleep as the login has a concurrent enter_exit running
		1934	# and this sleep increases chances of the player not ending up in scorn
1800	Coro::Timer::sleep 1;	1935	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;	1936	$pl->ob->leave_link;
1802	})->prio (2);	1937	})->prio (2);
1803	}	1938	}
1804	},	1939	},
…		…
1809	=cut	1944	=cut
1810		1945
1811	sub cf::object::player::goto {	1946	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	1947	my ($self, $path, $x, $y) = @_;
1813		1948
1814	$path = new cf::path $path;
1815
1816	$self->enter_link;	1949	$self->enter_link;
1817		1950
1818	(async {	1951	(async {
		1952	my $map = eval {
1819	my $map = cf::map::find $path->as_string;	1953	my $map = cf::map::find $path;
1820	$map = $map->customise_for ($self) if $map;	1954	$map = $map->customise_for ($self) if $map;
1821		1955	$map
1822	# warn "entering ", $map->path, " at ($x, $y)\n"	1956	} or
1823	# if $map;
1824
1825	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1957	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1826		1958
1827	$self->leave_link ($map, $x, $y);	1959	$self->leave_link ($map, $x, $y);
1828	})->prio (1);	1960	})->prio (1);
1829	}	1961	}
1830		1962
…		…
1834		1966
1835	sub parse_random_map_params {	1967	sub parse_random_map_params {
1836	my ($spec) = @_;	1968	my ($spec) = @_;
1837		1969
1838	my $rmp = { # defaults	1970	my $rmp = { # defaults
1839	xsize => 10,	1971	xsize => (cf::rndm 15, 40),
1840	ysize => 10,	1972	ysize => (cf::rndm 15, 40),
		1973	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1974	#layout => string,
1841	};	1975	};
1842		1976
1843	for (split /\n/, $spec) {	1977	for (split /\n/, $spec) {
1844	my ($k, $v) = split /\s+/, $_, 2;	1978	my ($k, $v) = split /\s+/, $_, 2;
1845		1979
…		…
1849	$rmp	1983	$rmp
1850	}	1984	}
1851		1985
1852	sub prepare_random_map {	1986	sub prepare_random_map {
1853	my ($exit) = @_;	1987	my ($exit) = @_;
		1988
		1989	my $guard = cf::lock_acquire "exit_prepare:$exit";
1854		1990
1855	# all this does is basically replace the /! path by	1991	# all this does is basically replace the /! path by
1856	# a new random map path (?random/...) with a seed	1992	# a new random map path (?random/...) with a seed
1857	# that depends on the exit object	1993	# that depends on the exit object
1858		1994
1859	my $rmp = parse_random_map_params $exit->msg;	1995	my $rmp = parse_random_map_params $exit->msg;
1860		1996
1861	if ($exit->map) {	1997	if ($exit->map) {
1862	$rmp->{region} = $exit->map->region_name;	1998	$rmp->{region} = $exit->region->name;
1863	$rmp->{origin_map} = $exit->map->path;	1999	$rmp->{origin_map} = $exit->map->path;
1864	$rmp->{origin_x} = $exit->x;	2000	$rmp->{origin_x} = $exit->x;
1865	$rmp->{origin_y} = $exit->y;	2001	$rmp->{origin_y} = $exit->y;
1866	}	2002	}
1867		2003
1868	$rmp->{random_seed} ||= $exit->random_seed;	2004	$rmp->{random_seed} ||= $exit->random_seed;
1869		2005
1870	my $data = cf::to_json $rmp;	2006	my $data = cf::to_json $rmp;
1871	my $md5 = Digest::MD5::md5_hex $data;	2007	my $md5 = Digest::MD5::md5_hex $data;
		2008	my $meta = "$RANDOMDIR/$md5.meta";
1872		2009
1873	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2010	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1874	aio_write $fh, 0, (length $data), $data, 0;	2011	aio_write $fh, 0, (length $data), $data, 0;
		2012	undef $fh;
		2013	aio_rename "$meta~", $meta;
1875		2014
1876	$exit->slaying ("?random/$md5");	2015	$exit->slaying ("?random/$md5");
1877	$exit->msg (undef);	2016	$exit->msg (undef);
1878	}	2017	}
1879	}	2018	}
1880		2019
1881	sub cf::object::player::enter_exit {	2020	sub cf::object::player::enter_exit {
1882	my ($self, $exit) = @_;	2021	my ($self, $exit) = @_;
1883		2022
1884	return unless $self->type == cf::PLAYER;	2023	return unless $self->type == cf::PLAYER;
		2024
		2025	if ($exit->slaying eq "/!") {
		2026	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2027	# the problem is that $exit might not survive long enough
		2028	# so it needs to be done right now, right here
		2029	cf::sync_job { prepare_random_map $exit };
		2030	}
		2031
		2032	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2033	my $hp = $exit->stats->hp;
		2034	my $sp = $exit->stats->sp;
1885		2035
1886	$self->enter_link;	2036	$self->enter_link;
1887		2037
1888	(async {	2038	(async {
1889	$self->deactivate_recursive; # just to be sure	2039	$self->deactivate_recursive; # just to be sure
1890	unless (eval {	2040	unless (eval {
1891	prepare_random_map $exit	2041	$self->goto ($slaying, $hp, $sp);
1892	if $exit->slaying eq "/!";
1893
1894	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1895	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1896		2042
1897	1;	2043	1;
1898	}) {	2044	}) {
1899	$self->message ("Something went wrong deep within the crossfire server. "	2045	$self->message ("Something went wrong deep within the crossfire server. "
1900	. "I'll try to bring you back to the map you were before. "	2046	. "I'll try to bring you back to the map you were before. "
1901	. "Please report this to the dungeon master!",	2047	. "Please report this to the dungeon master!",
1902	cf::NDI_UNIQUE | cf::NDI_RED);	2048	cf::NDI_UNIQUE | cf::NDI_RED);
1903		2049
1904	warn "ERROR in enter_exit: $@";	2050	warn "ERROR in enter_exit: $@";
1905	$self->leave_link;	2051	$self->leave_link;
1906	}	2052	}
1907	})->prio (1);	2053	})->prio (1);
…		…
1920		2066
1921	sub cf::client::send_drawinfo {	2067	sub cf::client::send_drawinfo {
1922	my ($self, $text, $flags) = @_;	2068	my ($self, $text, $flags) = @_;
1923		2069
1924	utf8::encode $text;	2070	utf8::encode $text;
1925	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2071	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1926	}	2072	}
1927		2073
		2074	=item $client->ext_event ($type, %msg)
		2075
		2076	Sends an exti event to the client.
		2077
		2078	=cut
		2079
		2080	sub cf::client::ext_event($$%) {
		2081	my ($self, $type, %msg) = @_;
		2082
		2083	$msg{msgtype} = "event_$type";
		2084	$self->send_packet ("ext " . cf::to_json \%msg);
		2085	}
1928		2086
1929	=item $success = $client->query ($flags, "text", \&cb)	2087	=item $success = $client->query ($flags, "text", \&cb)
1930		2088
1931	Queues a query to the client, calling the given callback with	2089	Queues a query to the client, calling the given callback with
1932	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2090	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1961	# get handled first	2119	# get handled first
1962	my $queue = delete $ns->{query_queue}	2120	my $queue = delete $ns->{query_queue}
1963	or return; # be conservative, not sure how that can happen, but we saw a crash here	2121	or return; # be conservative, not sure how that can happen, but we saw a crash here
1964		2122
1965	(shift @$queue)->[1]->($msg);	2123	(shift @$queue)->[1]->($msg);
		2124	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1966		2125
1967	push @{ $ns->{query_queue} }, @$queue;	2126	push @{ $ns->{query_queue} }, @$queue;
1968		2127
1969	if (@{ $ns->{query_queue} } == @$queue) {	2128	if (@{ $ns->{query_queue} } == @$queue) {
1970	if (@$queue) {	2129	if (@$queue) {
…		…
2028		2187
2029	# here we export the classes and methods available to script code	2188	# here we export the classes and methods available to script code
2030		2189
2031	=pod	2190	=pod
2032		2191
2033	The following fucntions and emthods are available within a safe environment:	2192	The following functions and methods are available within a safe environment:
2034		2193
2035	cf::object contr pay_amount pay_player map	2194	cf::object contr pay_amount pay_player map
2036	cf::object::player player	2195	cf::object::player player
2037	cf::player peaceful	2196	cf::player peaceful
2038	cf::map trigger	2197	cf::map trigger
…		…
2123	#############################################################################	2282	#############################################################################
2124		2283
2125	=head2 EXTENSION DATABASE SUPPORT	2284	=head2 EXTENSION DATABASE SUPPORT
2126		2285
2127	Crossfire maintains a very simple database for extension use. It can	2286	Crossfire maintains a very simple database for extension use. It can
2128	currently store anything that can be serialised using Storable, which	2287	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2129	excludes objects.	2288	convert to/from binary).
2130		2289
2131	The parameter C<$family> should best start with the name of the extension	2290	The parameter C<$family> should best start with the name of the extension
2132	using it, it should be unique.	2291	using it, it should be unique.
2133		2292
2134	=over 4	2293	=over 4
2135		2294
2136	=item $hashref = cf::db_get $family
2137
2138	Return a hashref for use by the extension C<$family>, which can be
2139	modified. After modifications, you have to call C<cf::db_dirty> or
2140	C<cf::db_sync>.
2141
2142	=item $value = cf::db_get $family => $key	2295	=item $value = cf::db_get $family => $key
2143		2296
2144	Returns a single value from the database	2297	Returns a single value from the database.
2145
2146	=item cf::db_put $family => $hashref
2147
2148	Stores the given family hashref into the database. Updates are delayed, if
2149	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2150		2298
2151	=item cf::db_put $family => $key => $value	2299	=item cf::db_put $family => $key => $value
2152		2300
2153	Stores the given C<$value> in the family hash. Updates are delayed, if you	2301	Stores the given C<$value> in the family.
2154	want the data to be synced to disk immediately, use C<cf::db_sync>.
2155
2156	=item cf::db_dirty
2157
2158	Marks the database as dirty, to be updated at a later time.
2159
2160	=item cf::db_sync
2161
2162	Immediately write the database to disk I<if it is dirty>.
2163		2302
2164	=cut	2303	=cut
2165		2304
2166	our $DB;	2305	our $DB;
2167		2306
2168	{	2307	sub db_init {
2169	my $path = cf::localdir . "/database.pst";	2308	unless ($DB) {
		2309	$DB = BDB::db_create $DB_ENV;
2170		2310
2171	sub db_load() {	2311	cf::sync_job {
2172	$DB = stat $path ? Storable::retrieve $path : { };	2312	eval {
2173	}	2313	$DB->set_flags (BDB::CHKSUM);
2174		2314
2175	my $pid;	2315	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2176		2316	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2177	sub db_save() {	2317	cf::cleanup "db_open(db): $!" if $!;
2178	waitpid $pid, 0 if $pid;	2318	};
2179	if (0 == ($pid = fork)) {	2319	cf::cleanup "db_open(db): $@" if $@;
2180	$DB->{_meta}{version} = 1;
2181	Storable::nstore $DB, "$path~";
2182	rename "$path~", $path;
2183	cf::_exit 0 if defined $pid;
2184	}	2320	};
2185	}
2186
2187	my $dirty;
2188
2189	sub db_sync() {
2190	db_save if $dirty;
2191	undef $dirty;
2192	}
2193
2194	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2195	db_sync;
2196	});	2321	}
		2322	}
2197		2323
2198	sub db_dirty() {
2199	$dirty = 1;
2200	$idle->start;
2201	}
2202
2203	sub db_get($;$) {	2324	sub db_get($$) {
2204	@_ >= 2	2325	my $key = "$_[0]/$_[1]";
2205	? $DB->{$_[0]}{$_[1]}
2206	: ($DB->{$_[0]} ||= { })
2207	}
2208		2326
		2327	cf::sync_job {
		2328	BDB::db_get $DB, undef, $key, my $data;
		2329
		2330	$! ? ()
		2331	: $data
		2332	}
		2333	}
		2334
2209	sub db_put($$;$) {	2335	sub db_put($$$) {
2210	if (@_ >= 3) {	2336	BDB::dbreq_pri 4;
2211	$DB->{$_[0]}{$_[1]} = $_[2];	2337	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2212	} else {	2338	}
2213	$DB->{$_[0]} = $_[1];
2214	}
2215	db_dirty;
2216	}
2217		2339
2218	cf::global->attach (	2340	=item cf::cache $id => [$paths...], $processversion => $process
2219	prio => 10000,	2341
2220	on_cleanup => sub {	2342	Generic caching function that returns the value of the resource $id,
2221	db_sync;	2343	caching and regenerating as required.
		2344
		2345	This function can block.
		2346
		2347	=cut
		2348
		2349	sub cache {
		2350	my ($id, $src, $processversion, $process) = @_;
		2351
		2352	my $meta =
		2353	join "\x00",
		2354	$processversion,
		2355	map {
		2356	aio_stat $_
		2357	and Carp::croak "$_: $!";
		2358
		2359	($_, (stat _)[7,9])
		2360	} @$src;
		2361
		2362	my $dbmeta = db_get cache => "$id/meta";
		2363	if ($dbmeta ne $meta) {
		2364	# changed, we may need to process
		2365
		2366	my @data;
		2367	my $md5;
		2368
		2369	for (0 .. $#$src) {
		2370	0 <= aio_load $src->[$_], $data[$_]
		2371	or Carp::croak "$src->[$_]: $!";
2222	},	2372	}
2223	);	2373
		2374	# if processing is expensive, check
		2375	# checksum first
		2376	if (1) {
		2377	$md5 =
		2378	join "\x00",
		2379	$processversion,
		2380	map {
		2381	Coro::cede;
		2382	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2383	} 0.. $#$src;
		2384
		2385
		2386	my $dbmd5 = db_get cache => "$id/md5";
		2387	if ($dbmd5 eq $md5) {
		2388	db_put cache => "$id/meta", $meta;
		2389
		2390	return db_get cache => "$id/data";
		2391	}
		2392	}
		2393
		2394	my $t1 = Time::HiRes::time;
		2395	my $data = $process->(\@data);
		2396	my $t2 = Time::HiRes::time;
		2397
		2398	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2399
		2400	db_put cache => "$id/data", $data;
		2401	db_put cache => "$id/md5" , $md5;
		2402	db_put cache => "$id/meta", $meta;
		2403
		2404	return $data;
		2405	}
		2406
		2407	db_get cache => "$id/data"
2224	}	2408	}
		2409
		2410	=item fork_call { }, $args
		2411
		2412	Executes the given code block with the given arguments in a seperate
		2413	process, returning the results. Everything must be serialisable with
		2414	Coro::Storable. May, of course, block. Note that the executed sub may
		2415	never block itself or use any form of Event handling.
		2416
		2417	=cut
		2418
		2419	sub fork_call(&@) {
		2420	my ($cb, @args) = @_;
		2421
		2422	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2423	# or die "socketpair: $!";
		2424	pipe my $fh1, my $fh2
		2425	or die "pipe: $!";
		2426
		2427	if (my $pid = fork) {
		2428	close $fh2;
		2429
		2430	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2431	$res = Coro::Storable::thaw $res;
		2432
		2433	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2434
		2435	die $$res unless "ARRAY" eq ref $res;
		2436
		2437	return wantarray ? @$res : $res->[-1];
		2438	} else {
		2439	local $SIG{__WARN__};
		2440	eval {
		2441	local $SIG{__DIE__};
		2442	close $fh1;
		2443
		2444	my @res = eval { $cb->(@args) };
		2445	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2446	};
		2447
		2448	warn $@ if $@;
		2449	_exit 0;
		2450	}
		2451	}
		2452
		2453
2225		2454
2226	#############################################################################	2455	#############################################################################
2227	# the server's main()	2456	# the server's init and main functions
		2457
		2458	sub load_facedata($) {
		2459	my ($path) = @_;
		2460
		2461	warn "loading facedata from $path\n";
		2462
		2463	my $facedata;
		2464	0 < aio_load $path, $facedata
		2465	or die "$path: $!";
		2466
		2467	$facedata = Coro::Storable::thaw $facedata;
		2468
		2469	$facedata->{version} == 2
		2470	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2471
		2472	{
		2473	my $faces = $facedata->{faceinfo};
		2474
		2475	while (my ($face, $info) = each %$faces) {
		2476	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2477	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2478	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2479	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2480	Coro::cede;
		2481	}
		2482
		2483	while (my ($face, $info) = each %$faces) {
		2484	next unless $info->{smooth};
		2485	my $idx = cf::face::find $face
		2486	or next;
		2487	if (my $smooth = cf::face::find $info->{smooth}) {
		2488	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2489	} else {
		2490	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2491	}
		2492	Coro::cede;
		2493	}
		2494	}
		2495
		2496	{
		2497	my $anims = $facedata->{animinfo};
		2498
		2499	while (my ($anim, $info) = each %$anims) {
		2500	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2501	Coro::cede;
		2502	}
		2503
		2504	cf::anim::invalidate_all; # d'oh
		2505	}
		2506
		2507	1
		2508	}
		2509
		2510	sub reload_regions {
		2511	load_resource_file "$MAPDIR/regions"
		2512	or die "unable to load regions file\n";
		2513	}
		2514
		2515	sub reload_facedata {
		2516	load_facedata "$DATADIR/facedata"
		2517	or die "unable to load facedata\n";
		2518	}
		2519
		2520	sub reload_archetypes {
		2521	load_resource_file "$DATADIR/archetypes"
		2522	or die "unable to load archetypes\n";
		2523	}
		2524
		2525	sub reload_treasures {
		2526	load_resource_file "$DATADIR/treasures"
		2527	or die "unable to load treasurelists\n";
		2528	}
		2529
		2530	sub reload_resources {
		2531	warn "reloading resource files...\n";
		2532
		2533	reload_regions;
		2534	reload_facedata;
		2535	reload_archetypes;
		2536	reload_treasures;
		2537
		2538	warn "finished reloading resource files\n";
		2539	}
		2540
		2541	sub init {
		2542	reload_resources;
		2543	}
2228		2544
2229	sub cfg_load {	2545	sub cfg_load {
2230	open my $fh, "<:utf8", cf::confdir . "/config"	2546	open my $fh, "<:utf8", "$CONFDIR/config"
2231	or return;	2547	or return;
2232		2548
2233	local $/;	2549	local $/;
2234	*CFG = YAML::Syck::Load <$fh>;	2550	*CFG = YAML::Syck::Load <$fh>;
2235		2551
…		…
2249		2565
2250	sub main {	2566	sub main {
2251	# we must not ever block the main coroutine	2567	# we must not ever block the main coroutine
2252	local $Coro::idle = sub {	2568	local $Coro::idle = sub {
2253	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2569	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2570	(async {
2254	async { Event::one_event };	2571	Event::one_event;
		2572	})->prio (Coro::PRIO_MAX);
2255	};	2573	};
2256		2574
2257	cfg_load;	2575	cfg_load;
2258	db_load;	2576	db_init;
2259	load_extensions;	2577	load_extensions;
		2578
		2579	$TICK_WATCHER->start;
2260	Event::loop;	2580	Event::loop;
2261	}	2581	}
2262		2582
2263	#############################################################################	2583	#############################################################################
2264	# initialisation and cleanup	2584	# initialisation and cleanup
2265		2585
2266	# install some emergency cleanup handlers	2586	# install some emergency cleanup handlers
2267	BEGIN {	2587	BEGIN {
2268	for my $signal (qw(INT HUP TERM)) {	2588	for my $signal (qw(INT HUP TERM)) {
2269	Event->signal (	2589	Event->signal (
		2590	reentrant => 0,
2270	data => WF_AUTOCANCEL,	2591	data => WF_AUTOCANCEL,
2271	signal => $signal,	2592	signal => $signal,
		2593	prio => 0,
2272	cb => sub {	2594	cb => sub {
2273	cf::cleanup "SIG$signal";	2595	cf::cleanup "SIG$signal";
2274	},	2596	},
2275	);	2597	);
2276	}	2598	}
2277	}	2599	}
…		…
2282	warn "enter emergency perl save\n";	2604	warn "enter emergency perl save\n";
2283		2605
2284	cf::sync_job {	2606	cf::sync_job {
2285	# use a peculiar iteration method to avoid tripping on perl	2607	# use a peculiar iteration method to avoid tripping on perl
2286	# refcount bugs in for. also avoids problems with players	2608	# refcount bugs in for. also avoids problems with players
2287	# and maps saved/Destroyed asynchronously.	2609	# and maps saved/destroyed asynchronously.
2288	warn "begin emergency player save\n";	2610	warn "begin emergency player save\n";
2289	for my $login (keys %cf::PLAYER) {	2611	for my $login (keys %cf::PLAYER) {
2290	my $pl = $cf::PLAYER{$login} or next;	2612	my $pl = $cf::PLAYER{$login} or next;
2291	$pl->valid or next;	2613	$pl->valid or next;
2292	$pl->save;	2614	$pl->save;
…		…
2298	my $map = $cf::MAP{$path} or next;	2620	my $map = $cf::MAP{$path} or next;
2299	$map->valid or next;	2621	$map->valid or next;
2300	$map->save;	2622	$map->save;
2301	}	2623	}
2302	warn "end emergency map save\n";	2624	warn "end emergency map save\n";
		2625
		2626	warn "begin emergency database checkpoint\n";
		2627	BDB::db_env_txn_checkpoint $DB_ENV;
		2628	warn "end emergency database checkpoint\n";
2303	};	2629	};
2304		2630
2305	warn "leave emergency perl save\n";	2631	warn "leave emergency perl save\n";
2306	}	2632	}
2307		2633
		2634	sub post_cleanup {
		2635	my ($make_core) = @_;
		2636
		2637	warn Carp::longmess "post_cleanup backtrace"
		2638	if $make_core;
		2639	}
		2640
2308	sub reload() {	2641	sub do_reload_perl() {
2309	# can/must only be called in main	2642	# can/must only be called in main
2310	if ($Coro::current != $Coro::main) {	2643	if ($Coro::current != $Coro::main) {
2311	warn "can only reload from main coroutine\n";	2644	warn "can only reload from main coroutine";
2312	return;	2645	return;
2313	}	2646	}
2314		2647
2315	warn "reloading...";	2648	warn "reloading...";
2316		2649
2317	warn "freezing server";	2650	warn "entering sync_job";
2318	my $guard = freeze_mainloop;	2651
		2652	cf::sync_job {
		2653	cf::write_runtime; # external watchdog should not bark
2319	cf::emergency_save;	2654	cf::emergency_save;
		2655	cf::write_runtime; # external watchdog should not bark
2320		2656
2321	warn "sync database to disk";	2657	warn "syncing database to disk";
2322	cf::db_sync;	2658	BDB::db_env_txn_checkpoint $DB_ENV;
2323	IO::AIO::flush;
2324		2659
2325	eval {
2326	# if anything goes wrong in here, we should simply crash as we already saved	2660	# if anything goes wrong in here, we should simply crash as we already saved
2327		2661
2328	warn "cancel all watchers";	2662	warn "cancelling all WF_AUTOCANCEL watchers";
2329	for (Event::all_watchers) {	2663	for (Event::all_watchers) {
2330	$_->cancel if $_->data & WF_AUTOCANCEL;	2664	$_->cancel if $_->data & WF_AUTOCANCEL;
2331	}	2665	}
2332		2666
		2667	warn "flushing outstanding aio requests";
		2668	for (;;) {
		2669	BDB::flush;
		2670	IO::AIO::flush;
		2671	Coro::cede;
		2672	last unless IO::AIO::nreqs || BDB::nreqs;
		2673	warn "iterate...";
		2674	}
		2675
		2676	++$RELOAD;
		2677
2333	warn "cancel all extension coros";	2678	warn "cancelling all extension coros";
2334	$_->cancel for values %EXT_CORO;	2679	$_->cancel for values %EXT_CORO;
2335	%EXT_CORO = ();	2680	%EXT_CORO = ();
2336		2681
2337	warn "remove commands";	2682	warn "removing commands";
2338	%COMMAND = ();	2683	%COMMAND = ();
2339		2684
2340	warn "remove ext commands";	2685	warn "removing ext commands";
2341	%EXTCMD = ();	2686	%EXTCMD = ();
2342		2687
2343	warn "unload/nuke all extensions";	2688	warn "unloading/nuking all extensions";
2344	for my $pkg (@EXTS) {	2689	for my $pkg (@EXTS) {
2345	warn "... unloading $pkg";	2690	warn "... unloading $pkg";
2346		2691
2347	if (my $cb = $pkg->can ("unload")) {	2692	if (my $cb = $pkg->can ("unload")) {
2348	eval {	2693	eval {
…		…
2353		2698
2354	warn "... nuking $pkg";	2699	warn "... nuking $pkg";
2355	Symbol::delete_package $pkg;	2700	Symbol::delete_package $pkg;
2356	}	2701	}
2357		2702
2358	warn "unload all perl modules loaded from $LIBDIR";	2703	warn "unloading all perl modules loaded from $LIBDIR";
2359	while (my ($k, $v) = each %INC) {	2704	while (my ($k, $v) = each %INC) {
2360	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2705	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2361		2706
2362	warn "removing <$k>";	2707	warn "... unloading $k";
2363	delete $INC{$k};	2708	delete $INC{$k};
2364		2709
2365	$k =~ s/\.pm$//;	2710	$k =~ s/\.pm$//;
2366	$k =~ s/\//::/g;	2711	$k =~ s/\//::/g;
2367		2712
…		…
2370	}	2715	}
2371		2716
2372	Symbol::delete_package $k;	2717	Symbol::delete_package $k;
2373	}	2718	}
2374		2719
2375	warn "get rid of safe::, as good as possible";	2720	warn "getting rid of safe::, as good as possible";
2376	Symbol::delete_package "safe::$_"	2721	Symbol::delete_package "safe::$_"
2377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2722	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2378		2723
2379	warn "unload cf.pm \"a bit\"";	2724	warn "unloading cf.pm \"a bit\"";
2380	delete $INC{"cf.pm"};	2725	delete $INC{"cf.pm"};
		2726	delete $INC{"cf/pod.pm"};
2381		2727
2382	# don't, removes xs symbols, too,	2728	# don't, removes xs symbols, too,
2383	# and global variables created in xs	2729	# and global variables created in xs
2384	#Symbol::delete_package __PACKAGE__;	2730	#Symbol::delete_package __PACKAGE__;
2385		2731
		2732	warn "unload completed, starting to reload now";
		2733
2386	warn "reloading cf.pm";	2734	warn "reloading cf.pm";
2387	require cf;	2735	require cf;
2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2736	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2389		2737
2390	warn "load config and database again";	2738	warn "loading config and database again";
2391	cf::cfg_load;	2739	cf::cfg_load;
2392	cf::db_load;
2393		2740
2394	warn "load extensions";	2741	warn "loading extensions";
2395	cf::load_extensions;	2742	cf::load_extensions;
2396		2743
2397	warn "reattach attachments to objects/players";	2744	warn "reattaching attachments to objects/players";
2398	_global_reattach;	2745	_global_reattach; # objects, sockets
2399	warn "reattach attachments to maps";	2746	warn "reattaching attachments to maps";
2400	reattach $_ for values %MAP;	2747	reattach $_ for values %MAP;
2401	};	2748	warn "reattaching attachments to players";
		2749	reattach $_ for values %PLAYER;
2402		2750
2403	if ($@) {	2751	warn "leaving sync_job";
		2752
		2753	1
		2754	} or do {
2404	warn $@;	2755	warn $@;
2405	warn "error while reloading, exiting.";	2756	warn "error while reloading, exiting.";
2406	exit 1;	2757	exit 1;
2407	}	2758	};
2408		2759
2409	warn "reloaded";	2760	warn "reloaded";
2410	};	2761	};
2411		2762
2412	#############################################################################	2763	our $RELOAD_WATCHER; # used only during reload
2413		2764
2414	unless ($LINK_MAP) {	2765	sub reload_perl() {
2415	$LINK_MAP = cf::map::new;	2766	# doing reload synchronously and two reloads happen back-to-back,
		2767	# coro crashes during coro_state_free->destroy here.
2416		2768
2417	$LINK_MAP->width (41);	2769	$RELOAD_WATCHER ||= Event->timer (
2418	$LINK_MAP->height (41);	2770	reentrant => 0,
2419	$LINK_MAP->alloc;
2420	$LINK_MAP->path ("{link}");
2421	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2422	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2423
2424	# dirty hack because... archetypes are not yet loaded
2425	Event->timer (
2426	after => 10,	2771	after => 0,
		2772	data => WF_AUTOCANCEL,
2427	cb => sub {	2773	cb => sub {
2428	$_[0]->w->cancel;	2774	do_reload_perl;
2429		2775	undef $RELOAD_WATCHER;
2430	# provide some exits "home"
2431	my $exit = cf::object::new "exit";
2432
2433	$exit->slaying ($EMERGENCY_POSITION->[0]);
2434	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2435	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2436
2437	$LINK_MAP->insert ($exit->clone, 19, 19);
2438	$LINK_MAP->insert ($exit->clone, 19, 20);
2439	$LINK_MAP->insert ($exit->clone, 19, 21);
2440	$LINK_MAP->insert ($exit->clone, 20, 19);
2441	$LINK_MAP->insert ($exit->clone, 20, 21);
2442	$LINK_MAP->insert ($exit->clone, 21, 19);
2443	$LINK_MAP->insert ($exit->clone, 21, 20);
2444	$LINK_MAP->insert ($exit->clone, 21, 21);
2445
2446	$exit->destroy;
2447	});	2776	},
2448		2777	);
2449	$LINK_MAP->{deny_save} = 1;
2450	$LINK_MAP->{deny_reset} = 1;
2451
2452	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2453	}	2778	}
2454		2779
2455	register_command "reload" => sub {	2780	register_command "reload" => sub {
2456	my ($who, $arg) = @_;	2781	my ($who, $arg) = @_;
2457		2782
2458	if ($who->flag (FLAG_WIZ)) {	2783	if ($who->flag (FLAG_WIZ)) {
2459	$who->message ("start of reload.");
2460	reload;
2461	$who->message ("end of reload.");	2784	$who->message ("reloading server.");
		2785	async { reload_perl };
2462	}	2786	}
2463	};	2787	};
2464		2788
2465	unshift @INC, $LIBDIR;	2789	unshift @INC, $LIBDIR;
		2790
		2791	my $bug_warning = 0;
		2792
		2793	our @WAIT_FOR_TICK;
		2794	our @WAIT_FOR_TICK_BEGIN;
		2795
		2796	sub wait_for_tick {
		2797	return unless $TICK_WATCHER->is_active;
		2798	return if $Coro::current == $Coro::main;
		2799
		2800	my $signal = new Coro::Signal;
		2801	push @WAIT_FOR_TICK, $signal;
		2802	$signal->wait;
		2803	}
		2804
		2805	sub wait_for_tick_begin {
		2806	return unless $TICK_WATCHER->is_active;
		2807	return if $Coro::current == $Coro::main;
		2808
		2809	my $signal = new Coro::Signal;
		2810	push @WAIT_FOR_TICK_BEGIN, $signal;
		2811	$signal->wait;
		2812	}
2466		2813
2467	$TICK_WATCHER = Event->timer (	2814	$TICK_WATCHER = Event->timer (
2468	reentrant => 0,	2815	reentrant => 0,
		2816	parked => 1,
2469	prio => 0,	2817	prio => 0,
2470	at => $NEXT_TICK || $TICK,	2818	at => $NEXT_TICK || $TICK,
2471	data => WF_AUTOCANCEL,	2819	data => WF_AUTOCANCEL,
2472	cb => sub {	2820	cb => sub {
		2821	if ($Coro::current != $Coro::main) {
		2822	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2823	unless ++$bug_warning > 10;
		2824	return;
		2825	}
		2826
2473	$NOW = Event::time;	2827	$NOW = Event::time;
2474		2828
2475	cf::server_tick; # one server iteration	2829	cf::server_tick; # one server iteration
		2830
2476	$RUNTIME += $TICK;	2831	$RUNTIME += $TICK;
2477	$NEXT_TICK += $TICK;	2832	$NEXT_TICK += $TICK;
2478		2833
2479	$WAIT_FOR_TICK->broadcast;	2834	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2480	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2835	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2836	Coro::async_pool {
		2837	write_runtime
		2838	or warn "ERROR: unable to write runtime file: $!";
		2839	};
		2840	}
		2841
		2842	# my $AFTER = Event::time;
		2843	# warn $AFTER - $NOW;#d#
2481		2844
2482	# if we are delayed by four ticks or more, skip them all	2845	# if we are delayed by four ticks or more, skip them all
2483	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2846	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2484		2847
2485	$TICK_WATCHER->at ($NEXT_TICK);	2848	$TICK_WATCHER->at ($NEXT_TICK);
2486	$TICK_WATCHER->start;	2849	$TICK_WATCHER->start;
		2850
		2851	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2852	$sig->send;
		2853	}
		2854	while (my $sig = shift @WAIT_FOR_TICK) {
		2855	$sig->send;
		2856	}
		2857
		2858	_post_tick;
2487	},	2859	},
2488	);	2860	);
2489		2861
		2862	{
2490	IO::AIO::max_poll_time $TICK * 0.2;	2863	BDB::max_poll_time $TICK * 0.1;
2491		2864	$BDB_POLL_WATCHER = Event->io (
2492	Event->io (	2865	reentrant => 0,
2493	fd => IO::AIO::poll_fileno,	2866	fd => BDB::poll_fileno,
2494	poll => 'r',	2867	poll => 'r',
2495	prio => 5,	2868	prio => 0,
2496	data => WF_AUTOCANCEL,
2497	cb => \&IO::AIO::poll_cb,
2498	);
2499
2500	Event->timer (
2501	data => WF_AUTOCANCEL,	2869	data => WF_AUTOCANCEL,
2502	after => 0,	2870	cb => \&BDB::poll_cb,
2503	interval => 10,	2871	);
2504	cb => sub {	2872	BDB::min_parallel 8;
2505	(Coro::unblock_sub {	2873
2506	write_runtime	2874	BDB::set_sync_prepare {
2507	or warn "ERROR: unable to write runtime file: $!";	2875	my $status;
		2876	my $current = $Coro::current;
		2877	(
		2878	sub {
		2879	$status = $!;
		2880	$current->ready; undef $current;
		2881	},
		2882	sub {
		2883	Coro::schedule while defined $current;
		2884	$! = $status;
		2885	},
		2886	)
		2887	};
		2888
		2889	unless ($DB_ENV) {
		2890	$DB_ENV = BDB::db_env_create;
		2891
		2892	cf::sync_job {
		2893	eval {
		2894	BDB::db_env_open
		2895	$DB_ENV,
		2896	$BDBDIR,
		2897	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2898	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2899	0666;
		2900
		2901	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		2902
		2903	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2904	$DB_ENV->set_lk_detect;
		2905	};
		2906
		2907	cf::cleanup "db_env_open(db): $@" if $@;
2508	})->();	2908	};
2509	},	2909	}
2510	);	2910	}
		2911
		2912	{
		2913	IO::AIO::min_parallel 8;
		2914
		2915	undef $Coro::AIO::WATCHER;
		2916	IO::AIO::max_poll_time $TICK * 0.1;
		2917	$AIO_POLL_WATCHER = Event->io (
		2918	reentrant => 0,
		2919	data => WF_AUTOCANCEL,
		2920	fd => IO::AIO::poll_fileno,
		2921	poll => 'r',
		2922	prio => 6,
		2923	cb => \&IO::AIO::poll_cb,
		2924	);
		2925	}
		2926
		2927	# load additional modules
		2928	use cf::pod;
2511		2929
2512	END { cf::emergency_save }	2930	END { cf::emergency_save }
2513		2931
2514	1	2932	1
2515		2933

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