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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.165 by root, Fri Jan 12 22:09:22 2007 UTC vs.
Revision 1.256 by root, Sat Apr 21 16:56:32 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-\x08\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	$self->{user_rel} || $self->{ext}
502	? undef
503	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
504	}
505
506	sub customise_for {
507	my ($self, $map, $ob) = @_;
508
509	if ($map->per_player) {
510	return cf::map::find ("~" . $ob->name . "/" . $map->{path}{path});
511	}
512
513	$map
514	}
515
516	# this is somewhat ugly, but style maps do need special treatment
517	sub is_style_map {
518	$_[0]{path} =~ m{^/styles/}
519	}
520
521	sub load_orig {
522	my ($self) = @_;
523
524	&cf::map::load_map_header ($self->load_path)
525	}
526
527	sub load_temp {
528	my ($self) = @_;
529
530	&cf::map::load_map_header ($self->save_path)
531	}
532
533	sub unlink_save {
534	my ($self) = @_;
535
536	utf8::encode (my $save = $self->save_path);
537	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
538	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
539	}
540
541	package cf;
542		413
543	#############################################################################	414	#############################################################################
544		415
545	=head2 ATTACHABLE OBJECTS	416	=head2 ATTACHABLE OBJECTS
546		417
…		…
672	our @CB_TYPE = (); # registry for type (cf-object class) based events	543	our @CB_TYPE = (); # registry for type (cf-object class) based events
673	our @CB_MAP = ();	544	our @CB_MAP = ();
674		545
675	my %attachment;	546	my %attachment;
676		547
		548	sub cf::attachable::thawer_merge {
		549	# simply override everything except _meta
		550	local $_[0]{_meta};
		551	%{$_[0]} = %{$_[1]};
		552	}
		553
677	sub _attach_cb($$$$) {	554	sub _attach_cb($$$$) {
678	my ($registry, $event, $prio, $cb) = @_;	555	my ($registry, $event, $prio, $cb) = @_;
679		556
680	use sort 'stable';	557	use sort 'stable';
681		558
…		…
852	# object support	729	# object support
853		730
854	sub reattach {	731	sub reattach {
855	# basically do the same as instantiate, without calling instantiate	732	# basically do the same as instantiate, without calling instantiate
856	my ($obj) = @_;	733	my ($obj) = @_;
		734
		735	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
857		736
858	my $registry = $obj->registry;	737	my $registry = $obj->registry;
859		738
860	@$registry = ();	739	@$registry = ();
861		740
…		…
908	$filename, length $$rdata, scalar @$objs;	787	$filename, length $$rdata, scalar @$objs;
909		788
910	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
911	chmod SAVE_MODE, $fh;	790	chmod SAVE_MODE, $fh;
912	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
913	aio_fsync $fh;	792	aio_fsync $fh if $cf::USE_FSYNC;
914	close $fh;	793	close $fh;
915		794
916	if (@$objs) {	795	if (@$objs) {
917	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) {
918	chmod SAVE_MODE, $fh;	797	chmod SAVE_MODE, $fh;
919	my $data = Storable::nfreeze { version => 1, objs => $objs };	798	my $data = Storable::nfreeze { version => 1, objs => $objs };
920	aio_write $fh, 0, (length $data), $data, 0;	799	aio_write $fh, 0, (length $data), $data, 0;
921	aio_fsync $fh;	800	aio_fsync $fh if $cf::USE_FSYNC;
922	close $fh;	801	close $fh;
923	aio_rename "$filename.pst~", "$filename.pst";	802	aio_rename "$filename.pst~", "$filename.pst";
924	}	803	}
925	} else {	804	} else {
926	aio_unlink "$filename.pst";	805	aio_unlink "$filename.pst";
…		…
1048	"package $pkg; use strict; use utf8;\n"	927	"package $pkg; use strict; use utf8;\n"
1049	. "#line 1 \"$path\"\n{\n"	928	. "#line 1 \"$path\"\n{\n"
1050	. (do { local $/; <$fh> })	929	. (do { local $/; <$fh> })
1051	. "\n};\n1";	930	. "\n};\n1";
1052		931
1053	eval $source	932	unless (eval $source) {
1054	or die $@ ? "$path: $@\n"	933	my $msg = $@ ? "$path: $@\n"
1055	: "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	}
1056		942
1057	push @EXTS, $pkg;	943	push @EXTS, $pkg;
1058	}	944	}
1059		945
1060	sub load_extensions {	946	sub load_extensions {
…		…
1066	} or warn "$ext not loaded: $@";	952	} or warn "$ext not loaded: $@";
1067	}	953	}
1068	}	954	}
1069		955
1070	#############################################################################	956	#############################################################################
1071	# load/save/clean perl data associated with a map
1072
1073	*cf::mapsupport::on_clean = sub {
1074	my ($map) = @_;
1075
1076	my $path = $map->tmpname;
1077	defined $path or return;
1078
1079	unlink "$path.pst";
1080	};
1081
1082	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1083
1084	#############################################################################
1085		957
1086	=head2 CORE EXTENSIONS	958	=head2 CORE EXTENSIONS
1087		959
1088	Functions and methods that extend core crossfire objects.	960	Functions and methods that extend core crossfire objects.
1089		961
…		…
1102	Returns the given player object, loading it if necessary (might block).	974	Returns the given player object, loading it if necessary (might block).
1103		975
1104	=cut	976	=cut
1105		977
1106	sub playerdir($) {	978	sub playerdir($) {
1107	cf::localdir	979	"$PLAYERDIR/"
1108	. "/"
1109	. cf::playerdir
1110	. "/"
1111	. (ref $_[0] ? $_[0]->ob->name : $_[0])	980	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1112	}	981	}
1113		982
1114	sub path($) {	983	sub path($) {
1115	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	984	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1116		985
1117	(playerdir $login) . "/$login.pl"	986	(playerdir $login) . "/playerdata"
1118	}	987	}
1119		988
1120	sub find_active($) {	989	sub find_active($) {
1121	$cf::PLAYER{$_[0]}	990	$cf::PLAYER{$_[0]}
1122	and $cf::PLAYER{$_[0]}->active	991	and $cf::PLAYER{$_[0]}->active
…		…
1125		994
1126	sub exists($) {	995	sub exists($) {
1127	my ($login) = @_;	996	my ($login) = @_;
1128		997
1129	$cf::PLAYER{$login}	998	$cf::PLAYER{$login}
1130	or cf::sync_job { !aio_stat $login }	999	or cf::sync_job { !aio_stat path $login }
1131	}	1000	}
1132		1001
1133	sub find($) {	1002	sub find($) {
1134	return $cf::PLAYER{$_[0]} || do {	1003	return $cf::PLAYER{$_[0]} || do {
1135	my $login = $_[0];	1004	my $login = $_[0];
1136		1005
1137	my $guard = cf::lock_acquire "user_find:$login";	1006	my $guard = cf::lock_acquire "user_find:$login";
1138		1007
1139	$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
1140	my $pl = load_pl path $login	1016	my $pl = load_pl path $login
1141	or return;	1017	or return;
1142	$cf::PLAYER{$login} = $pl	1018	$cf::PLAYER{$login} = $pl
1143	}	1019	}
1144	}	1020	}
…		…
1181		1057
1182	=cut	1058	=cut
1183		1059
1184	sub quit_character {	1060	sub quit_character {
1185	my ($pl) = @_;	1061	my ($pl) = @_;
		1062
		1063	my $name = $pl->ob->name;
1186		1064
1187	$pl->{deny_save} = 1;	1065	$pl->{deny_save} = 1;
1188	$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
1189		1067
1190	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1195	my $path = playerdir $pl;	1073	my $path = playerdir $pl;
1196	my $temp = "$path~$cf::RUNTIME~deleting~";	1074	my $temp = "$path~$cf::RUNTIME~deleting~";
1197	aio_rename $path, $temp;	1075	aio_rename $path, $temp;
1198	delete $cf::PLAYER{$pl->ob->name};	1076	delete $cf::PLAYER{$pl->ob->name};
1199	$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
1200	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;
1201	}	1099	}
1202		1100
1203	=item cf::player::list_logins	1101	=item cf::player::list_logins
1204		1102
1205	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
1206	while and may block, so not sync_job-capable, ever.	1104	while and may block, so not sync_job-capable, ever.
1207		1105
1208	=cut	1106	=cut
1209		1107
1210	sub list_logins {	1108	sub list_logins {
1211	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1109	my $dirs = aio_readdir $PLAYERDIR
1212	or return [];	1110	or return [];
1213		1111
1214	my @logins;	1112	my @logins;
1215		1113
1216	for my $login (@$dirs) {	1114	for my $login (@$dirs) {
…		…
1225	\@logins	1123	\@logins
1226	}	1124	}
1227		1125
1228	=item $player->maps	1126	=item $player->maps
1229		1127
1230	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
1231	player. May block.	1129	player. May block.
1232		1130
1233	=cut	1131	=cut
1234		1132
1235	sub maps($) {	1133	sub maps($) {
1236	my ($pl) = @_;	1134	my ($pl) = @_;
		1135
		1136	$pl = ref $pl ? $pl->ob->name : $pl;
1237		1137
1238	my $files = aio_readdir playerdir $pl	1138	my $files = aio_readdir playerdir $pl
1239	or return;	1139	or return;
1240		1140
1241	my @paths;	1141	my @paths;
…		…
1243	for (@$files) {	1143	for (@$files) {
1244	utf8::decode $_;	1144	utf8::decode $_;
1245	next if /\.(?:pl|pst)$/;	1145	next if /\.(?:pl|pst)$/;
1246	next unless /^$PATH_SEP/o;	1146	next unless /^$PATH_SEP/o;
1247		1147
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1148	push @paths, cf::map::normalise "~$pl/$_";
1249	}	1149	}
1250		1150
1251	\@paths	1151	\@paths
1252	}	1152	}
1253		1153
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1154	=item $player->ext_reply ($msgid, %msg)
1255		1155
1256	Sends an ext reply to the player.	1156	Sends an ext reply to the player.
1257		1157
1258	=cut	1158	=cut
1259		1159
1260	sub ext_reply($$$%) {	1160	sub ext_reply($$%) {
1261	my ($self, $id, %msg) = @_;	1161	my ($self, $id, %msg) = @_;
1262		1162
1263	$msg{msgid} = $id;	1163	$msg{msgid} = $id;
1264		1164
1265	$self->send ("ext " . cf::to_json \%msg);	1165	$self->send ("ext " . cf::to_json \%msg);
1266	}	1166	}
1267		1167
1268	package cf;	1168	=item $player->ext_event ($type, %msg)
		1169
		1170	Sends an ext event to the client.
		1171
		1172	=cut
		1173
		1174	sub ext_event($$%) {
		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	}
1269		1208
1270	=back	1209	=back
1271
1272		1210
1273	=head3 cf::map	1211	=head3 cf::map
1274		1212
1275	=over 4	1213	=over 4
1276		1214
…		…
1279	package cf::map;	1217	package cf::map;
1280		1218
1281	use Fcntl;	1219	use Fcntl;
1282	use Coro::AIO;	1220	use Coro::AIO;
1283		1221
		1222	use overload
		1223	'""' => \&as_string,
		1224	fallback => 1;
		1225
1284	our $MAX_RESET = 3600;	1226	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1227	our $DEFAULT_RESET = 3000;
1286		1228
1287	sub generate_random_map {	1229	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1230	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1231	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map (	1232	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1236	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1237	$rmp->{xsize}, $rmp->{ysize},
…		…
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1242	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region}), $rmp->{custom}	1243	(cf::region::find $rmp->{region}), $rmp->{custom}
1304	)	1244	)
1305	}	1245	}
1306		1246
		1247	=item cf::map->register ($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
1307	# and all this just because we cannot iterate over	1376	# and all this just because we cannot iterate over
1308	# all maps in C++...	1377	# all maps in C++...
1309	sub change_all_map_light {	1378	sub change_all_map_light {
1310	my ($change) = @_;	1379	my ($change) = @_;
1311		1380
1312	$_->change_map_light ($change)	1381	$_->change_map_light ($change)
1313	for grep $_->outdoor, values %cf::MAP;	1382	for grep $_->outdoor, values %cf::MAP;
1314	}	1383	}
1315		1384
		1385	sub unlink_save {
		1386	my ($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
1316	sub load_map_header($) {	1393	sub load_header_from($) {
1317	my ($path) = @_;	1394	my ($self, $path) = @_;
1318		1395
1319	utf8::encode $path;	1396	utf8::encode $path;
1320	aio_open $path, O_RDONLY, 0	1397	#aio_open $path, O_RDONLY, 0
		1398	# or return;
		1399
		1400	$self->_load_header ($path)
1321	or return;	1401	or return;
1322		1402
1323	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
1324	or return;	1446	or return;
		1447	$self->prepare_orig;
		1448	}
1325		1449
1326	# for better error messages only, will be overwritten later	1450	$self->default_region (cf::region::find_by_path $self->{path})
1327	$map->path ($path);	1451	unless $self->default_region;
1328		1452
1329	$map->load_header ($path)	1453	1
1330	or return;
1331
1332	$map->{load_path} = $path;
1333
1334	$map
1335	}	1454	}
1336		1455
1337	sub find;	1456	sub find;
1338	sub find {	1457	sub find {
1339	my ($path, $origin) = @_;	1458	my ($path, $origin) = @_;
1340		1459
1341	#warn "find<$path,$origin>\n";#d#
1342
1343	$path = new cf::path $path, $origin && $origin->path;	1460	$path = normalise $path, $origin && $origin->path;
1344	my $key = $path->as_string;
1345		1461
1346	cf::lock_wait "map_find:$key";	1462	cf::lock_wait "map_find:$path";
1347		1463
1348	$cf::MAP{$key} || do {	1464	$cf::MAP{$path} || do {
1349	my $guard = cf::lock_acquire "map_find:$key";	1465	my $guard = cf::lock_acquire "map_find:$path";
1350		1466	my $map = new_from_path cf::map $path
1351	# do it the slow way
1352	my $map = $path->load_temp;
1353
1354	Coro::cede;
1355
1356	if ($map) {
1357	$map->last_access ((delete $map->{last_access})
1358	|| $cf::RUNTIME); #d#
1359	# safety
1360	$map->{instantiate_time} = $cf::RUNTIME
1361	if $map->{instantiate_time} > $cf::RUNTIME;
1362	} else {
1363	$map = $path->load_orig
1364	or return;	1467	or return;
1365		1468
1366	$map->{load_original} = 1;
1367	$map->{instantiate_time} = $cf::RUNTIME;
1368	$map->last_access ($cf::RUNTIME);
1369	$map->instantiate;
1370
1371	# per-player maps become, after loading, normal maps
1372	$map->per_player (0) if $path->{user_rel};
1373	}
1374
1375	$map->path ($key);
1376	$map->{path} = $path;
1377	$map->{last_save} = $cf::RUNTIME;	1469	$map->{last_save} = $cf::RUNTIME;
1378		1470
1379	Coro::cede;	1471	$map->load_header
		1472	or return;
1380		1473
1381	if ($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;
1382	$map->reset;	1477	$map->reset;
1383	undef $guard;	1478	undef $guard;
1384	$map = find $path	1479	return find $path;
1385	or return;
1386	}	1480	}
1387		1481
1388	$cf::MAP{$key} = $map	1482	$cf::MAP{$path} = $map
1389	}	1483	}
1390	}	1484	}
		1485
		1486	sub pre_load { }
		1487	sub post_load { }
1391		1488
1392	sub load {	1489	sub load {
1393	my ($self) = @_;	1490	my ($self) = @_;
1394		1491
		1492	local $self->{deny_reset} = 1; # loading can take a long time
		1493
1395	my $path = $self->{path};	1494	my $path = $self->{path};
		1495
		1496	{
1396	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1497	my $guard = cf::lock_acquire "map_load:$path";
1397		1498
1398	return if $self->in_memory != cf::MAP_SWAPPED;	1499	return if $self->in_memory != cf::MAP_SWAPPED;
1399		1500
1400	$self->in_memory (cf::MAP_LOADING);	1501	$self->in_memory (cf::MAP_LOADING);
1401		1502
1402	$self->alloc;	1503	$self->alloc;
		1504
		1505	$self->pre_load;
		1506	Coro::cede;
		1507
1403	$self->load_objects ($self->{load_path}, 1)	1508	$self->_load_objects ($self->{load_path}, 1)
1404	or return;	1509	or return;
1405		1510
1406	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1407	if delete $self->{load_original};	1512	if delete $self->{load_original};
1408		1513
1409	if (my $uniq = $path->uniq_path) {	1514	if (my $uniq = $self->uniq_path) {
1410	utf8::encode $uniq;	1515	utf8::encode $uniq;
1411	if (aio_open $uniq, O_RDONLY, 0) {	1516	if (aio_open $uniq, O_RDONLY, 0) {
1412	$self->clear_unique_items;	1517	$self->clear_unique_items;
1413	$self->load_objects ($uniq, 0);	1518	$self->_load_objects ($uniq, 0);
1414	}	1519	}
1415	}	1520	}
1416		1521
1417	Coro::cede;	1522	Coro::cede;
1418
1419	# now do the right thing for maps	1523	# now do the right thing for maps
1420	$self->link_multipart_objects;	1524	$self->link_multipart_objects;
1421
1422	if ($self->{path}->is_style_map) {
1423	$self->{deny_save} = 1;
1424	$self->{deny_reset} = 1;
1425	} else {
1426	$self->decay_objects;
1427	$self->fix_auto_apply;
1428	$self->update_buttons;
1429	$self->set_darkness_map;
1430	$self->difficulty ($self->estimate_difficulty)	1525	$self->difficulty ($self->estimate_difficulty)
1431	unless $self->difficulty;	1526	unless $self->difficulty;
		1527	Coro::cede;
		1528
		1529	unless ($self->{deny_activate}) {
		1530	$self->decay_objects;
		1531	$self->fix_auto_apply;
		1532	$self->update_buttons;
		1533	Coro::cede;
		1534	$self->set_darkness_map;
		1535	Coro::cede;
1432	$self->activate;	1536	$self->activate;
1433	}	1537	}
1434		1538
1435	Coro::cede;
1436
1437	$self->in_memory (cf::MAP_IN_MEMORY);	1539	$self->in_memory (cf::MAP_IN_MEMORY);
		1540
		1541	undef $guard;
		1542	}
		1543
		1544	$self->post_load;
		1545	}
		1546
		1547	sub customise_for {
		1548	my ($self, $ob) = @_;
		1549
		1550	return find "~" . $ob->name . "/" . $self->{path}
		1551	if $self->per_player;
		1552
		1553	$self
1438	}	1554	}
1439		1555
1440	# find and load all maps in the 3x3 area around a map	1556	# find and load all maps in the 3x3 area around a map
1441	sub load_diag {	1557	sub load_diag {
1442	my ($map) = @_;	1558	my ($map) = @_;
…		…
1472		1588
1473	cf::sync_job { $map->load };	1589	cf::sync_job { $map->load };
1474	}	1590	}
1475		1591
1476	our %MAP_PREFETCH;	1592	our %MAP_PREFETCH;
1477	our $MAP_PREFETCHER = Coro::async {	1593	our $MAP_PREFETCHER = undef;
1478	while () {
1479	while (%MAP_PREFETCH) {
1480	my $key = each %MAP_PREFETCH
1481	or next;
1482	my $path = delete $MAP_PREFETCH{$key};
1483
1484	my $map = find $path
1485	or next;
1486	$map->load;
1487	}
1488	Coro::schedule;
1489	}
1490	};
1491		1594
1492	sub find_async {	1595	sub find_async {
1493	my ($path, $origin) = @_;	1596	my ($path, $origin) = @_;
1494		1597
1495	$path = new cf::path $path, $origin && $origin->path;	1598	$path = normalise $path, $origin && $origin->{path};
1496	my $key = $path->as_string;
1497		1599
1498	if (my $map = $cf::MAP{$key}) {	1600	if (my $map = $cf::MAP{$path}) {
1499	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1601	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1500	}	1602	}
1501		1603
1502	$MAP_PREFETCH{$key} = $path;	1604	undef $MAP_PREFETCH{$path};
		1605	$MAP_PREFETCHER ||= cf::async {
		1606	while (%MAP_PREFETCH) {
		1607	for my $path (keys %MAP_PREFETCH) {
		1608	my $map = find $path
		1609	or next;
		1610	$map->load;
		1611
		1612	delete $MAP_PREFETCH{$path};
		1613	}
		1614	}
		1615	undef $MAP_PREFETCHER;
		1616	};
1503	$MAP_PREFETCHER->ready;	1617	$MAP_PREFETCHER->prio (6);
1504		1618
1505	()	1619	()
1506	}	1620	}
1507		1621
1508	sub save {	1622	sub save {
…		…
1512		1626
1513	$self->{last_save} = $cf::RUNTIME;	1627	$self->{last_save} = $cf::RUNTIME;
1514		1628
1515	return unless $self->dirty;	1629	return unless $self->dirty;
1516		1630
1517	my $save = $self->{path}->save_path; utf8::encode $save;	1631	my $save = $self->save_path; utf8::encode $save;
1518	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1632	my $uniq = $self->uniq_path; utf8::encode $uniq;
1519		1633
1520	$self->{load_path} = $save;	1634	$self->{load_path} = $save;
1521		1635
1522	return if $self->{deny_save};	1636	return if $self->{deny_save};
1523		1637
…		…
1526	cf::async {	1640	cf::async {
1527	$_->contr->save for $self->players;	1641	$_->contr->save for $self->players;
1528	};	1642	};
1529		1643
1530	if ($uniq) {	1644	if ($uniq) {
1531	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1645	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1532	$self->save_objects ($uniq, cf::IO_UNIQUES);	1646	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1533	} else {	1647	} else {
1534	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1648	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1535	}	1649	}
1536	}	1650	}
1537		1651
1538	sub swap_out {	1652	sub swap_out {
1539	my ($self) = @_;	1653	my ($self) = @_;
…		…
1553		1667
1554	sub reset_at {	1668	sub reset_at {
1555	my ($self) = @_;	1669	my ($self) = @_;
1556		1670
1557	# TODO: safety, remove and allow resettable per-player maps	1671	# TODO: safety, remove and allow resettable per-player maps
1558	return 1e99 if $self->{path}{user_rel};	1672	return 1e99 if $self->isa ("ext::map_per_player");#d#
1559	return 1e99 if $self->{deny_reset};	1673	return 1e99 if $self->{deny_reset};
1560		1674
1561	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1675	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1562	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1676	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1563		1677
…		…
1568	my ($self) = @_;	1682	my ($self) = @_;
1569		1683
1570	$self->reset_at <= $cf::RUNTIME	1684	$self->reset_at <= $cf::RUNTIME
1571	}	1685	}
1572		1686
1573	sub rename {
1574	my ($self, $new_path) = @_;
1575
1576	$self->{path}->unlink_save;
1577
1578	delete $cf::MAP{$self->path};
1579	$self->{path} = new cf::path $new_path;
1580	$self->path ($self->{path}->as_string);
1581	$cf::MAP{$self->path} = $self;
1582
1583	$self->save;
1584	}
1585
1586	sub reset {	1687	sub reset {
1587	my ($self) = @_;	1688	my ($self) = @_;
1588		1689
1589	my $lock = cf::lock_acquire "map_data:" . $self->path;	1690	my $lock = cf::lock_acquire "map_data:$self->{path}";
1590		1691
1591	return if $self->players;	1692	return if $self->players;
1592	return if $self->{path}{user_rel};#d#	1693	return if $self->isa ("ext::map_per_player");#d#
1593		1694
1594	warn "resetting map ", $self->path;#d#	1695	warn "resetting map ", $self->path;#d#
1595		1696
		1697	$self->in_memory (cf::MAP_SWAPPED);
		1698
		1699	# need to save uniques path
		1700	unless ($self->{deny_save}) {
		1701	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1702
		1703	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1704	if $uniq;
		1705	}
		1706
1596	delete $cf::MAP{$self->path};	1707	delete $cf::MAP{$self->path};
1597		1708
		1709	$self->clear;
		1710
1598	$_->clear_links_to ($self) for values %cf::MAP;	1711	$_->clear_links_to ($self) for values %cf::MAP;
1599		1712
1600	$self->{path}->unlink_save;	1713	$self->unlink_save;
1601	$self->destroy;	1714	$self->destroy;
1602	}	1715	}
1603		1716
1604	my $nuke_counter = "aaaa";	1717	my $nuke_counter = "aaaa";
1605		1718
1606	sub nuke {	1719	sub nuke {
1607	my ($self) = @_;	1720	my ($self) = @_;
1608		1721
		1722	delete $cf::MAP{$self->path};
		1723
		1724	$self->unlink_save;
		1725
		1726	bless $self, "cf::map";
		1727	delete $self->{deny_reset};
1609	$self->{deny_save} = 1;	1728	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	1729	$self->reset_timeout (1);
1611	$self->rename ("{nuke}/" . ($nuke_counter++));	1730	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1731
		1732	$cf::MAP{$self->path} = $self;
		1733
1612	$self->reset; # polite request, might not happen	1734	$self->reset; # polite request, might not happen
1613	}	1735	}
1614		1736
1615	=item cf::map::unique_maps	1737	=item cf::map::unique_maps
1616		1738
1617	Returns an arrayref of cf::path's of all shared maps that have	1739	Returns an arrayref of paths of all shared maps that have
1618	instantiated unique items. May block.	1740	instantiated unique items. May block.
1619		1741
1620	=cut	1742	=cut
1621		1743
1622	sub unique_maps() {	1744	sub unique_maps() {
1623	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1745	my $files = aio_readdir $UNIQUEDIR
1624	or return;	1746	or return;
1625		1747
1626	my @paths;	1748	my @paths;
1627		1749
1628	for (@$files) {	1750	for (@$files) {
1629	utf8::decode $_;	1751	utf8::decode $_;
1630	next if /\.pst$/;	1752	next if /\.pst$/;
1631	next unless /^$PATH_SEP/o;	1753	next unless /^$PATH_SEP/o;
1632		1754
1633	push @paths, new cf::path $_;	1755	push @paths, cf::map::normalise $_;
1634	}	1756	}
1635		1757
1636	\@paths	1758	\@paths
1637	}	1759	}
1638		1760
…		…
1713		1835
1714	=item $player_object->enter_link	1836	=item $player_object->enter_link
1715		1837
1716	Freezes the player and moves him/her to a special map (C<{link}>).	1838	Freezes the player and moves him/her to a special map (C<{link}>).
1717		1839
1718	The player should be reaosnably safe there for short amounts of time. You	1840	The player should be reasonably safe there for short amounts of time. You
1719	I<MUST> call C<leave_link> as soon as possible, though.	1841	I<MUST> call C<leave_link> as soon as possible, though.
1720		1842
		1843	Will never block.
		1844
1721	=item $player_object->leave_link ($map, $x, $y)	1845	=item $player_object->leave_link ($map, $x, $y)
1722		1846
1723	Moves the player out of the specila link map onto the given map. If the	1847	Moves the player out of the special C<{link}> map onto the specified
1724	map is not valid (or omitted), the player will be moved back to the	1848	map. If the map is not valid (or omitted), the player will be moved back
1725	location he/she was before the call to C<enter_link>, or, if that fails,	1849	to the location he/she was before the call to C<enter_link>, or, if that
1726	to the emergency map position.	1850	fails, to the emergency map position.
1727		1851
1728	Might block.	1852	Might block.
1729		1853
1730	=cut	1854	=cut
		1855
		1856	sub link_map {
		1857	unless ($LINK_MAP) {
		1858	$LINK_MAP = cf::map::find "{link}"
		1859	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1860	$LINK_MAP->load;
		1861	}
		1862
		1863	$LINK_MAP
		1864	}
1731		1865
1732	sub cf::object::player::enter_link {	1866	sub cf::object::player::enter_link {
1733	my ($self) = @_;	1867	my ($self) = @_;
1734		1868
1735	$self->deactivate_recursive;	1869	$self->deactivate_recursive;
1736		1870
1737	return if $self->map == $LINK_MAP;	1871	return if UNIVERSAL::isa $self->map, "ext::map_link";
1738		1872
1739	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1873	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1740	if $self->map;	1874	if $self->map;
1741		1875
1742	$self->enter_map ($LINK_MAP, 20, 20);	1876	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1743	}	1877	}
1744		1878
1745	sub cf::object::player::leave_link {	1879	sub cf::object::player::leave_link {
1746	my ($self, $map, $x, $y) = @_;	1880	my ($self, $map, $x, $y) = @_;
1747		1881
…		…
1769	$map->load;	1903	$map->load;
1770	$map->load_diag;	1904	$map->load_diag;
1771		1905
1772	return unless $self->contr->active;	1906	return unless $self->contr->active;
1773	$self->activate_recursive;	1907	$self->activate_recursive;
		1908
		1909	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1774	$self->enter_map ($map, $x, $y);	1910	$self->enter_map ($map, $x, $y);
1775	}	1911	}
1776		1912
1777	cf::player->attach (	1913	cf::player->attach (
1778	on_logout => sub {	1914	on_logout => sub {
…		…
1791	# try to abort aborted map switching on player login :)	1927	# try to abort aborted map switching on player login :)
1792	# should happen only on crashes	1928	# should happen only on crashes
1793	if ($pl->ob->{_link_pos}) {	1929	if ($pl->ob->{_link_pos}) {
1794	$pl->ob->enter_link;	1930	$pl->ob->enter_link;
1795	(async {	1931	(async {
1796	# we need this sleep as the login has a concurrent enter_exit running
1797	# and this sleep increases chances of the player not ending up in scorn
1798	$pl->ob->reply (undef,	1932	$pl->ob->reply (undef,
1799	"There was an internal problem at your last logout, "	1933	"There was an internal problem at your last logout, "
1800	. "the server will try to bring you to your intended destination in a second.",	1934	. "the server will try to bring you to your intended destination in a second.",
1801	cf::NDI_RED);	1935	cf::NDI_RED);
		1936	# we need this sleep as the login has a concurrent enter_exit running
		1937	# and this sleep increases chances of the player not ending up in scorn
1802	Coro::Timer::sleep 1;	1938	Coro::Timer::sleep 1;
1803	$pl->ob->leave_link;	1939	$pl->ob->leave_link;
1804	})->prio (2);	1940	})->prio (2);
1805	}	1941	}
1806	},	1942	},
…		…
1811	=cut	1947	=cut
1812		1948
1813	sub cf::object::player::goto {	1949	sub cf::object::player::goto {
1814	my ($self, $path, $x, $y) = @_;	1950	my ($self, $path, $x, $y) = @_;
1815		1951
1816	$path = new cf::path $path;
1817
1818	$self->enter_link;	1952	$self->enter_link;
1819		1953
1820	(async {	1954	(async {
		1955	my $map = eval {
1821	my $map = cf::map::find $path->as_string;	1956	my $map = cf::map::find $path;
1822	$map = $map->{path}->customise_for ($map, $self) if $map;	1957	$map = $map->customise_for ($self) if $map;
1823		1958	$map
1824	# warn "entering ", $map->path, " at ($x, $y)\n"	1959	} or
1825	# if $map;
1826
1827	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1960	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1828		1961
1829	$self->leave_link ($map, $x, $y);	1962	$self->leave_link ($map, $x, $y);
1830	})->prio (1);	1963	})->prio (1);
1831	}	1964	}
1832		1965
…		…
1836		1969
1837	sub parse_random_map_params {	1970	sub parse_random_map_params {
1838	my ($spec) = @_;	1971	my ($spec) = @_;
1839		1972
1840	my $rmp = { # defaults	1973	my $rmp = { # defaults
1841	xsize => 10,	1974	xsize => (cf::rndm 15, 40),
1842	ysize => 10,	1975	ysize => (cf::rndm 15, 40),
		1976	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1977	#layout => string,
1843	};	1978	};
1844		1979
1845	for (split /\n/, $spec) {	1980	for (split /\n/, $spec) {
1846	my ($k, $v) = split /\s+/, $_, 2;	1981	my ($k, $v) = split /\s+/, $_, 2;
1847		1982
…		…
1851	$rmp	1986	$rmp
1852	}	1987	}
1853		1988
1854	sub prepare_random_map {	1989	sub prepare_random_map {
1855	my ($exit) = @_;	1990	my ($exit) = @_;
		1991
		1992	my $guard = cf::lock_acquire "exit_prepare:$exit";
1856		1993
1857	# all this does is basically replace the /! path by	1994	# all this does is basically replace the /! path by
1858	# a new random map path (?random/...) with a seed	1995	# a new random map path (?random/...) with a seed
1859	# that depends on the exit object	1996	# that depends on the exit object
1860		1997
1861	my $rmp = parse_random_map_params $exit->msg;	1998	my $rmp = parse_random_map_params $exit->msg;
1862		1999
1863	if ($exit->map) {	2000	if ($exit->map) {
1864	$rmp->{region} = $exit->map->region_name;	2001	$rmp->{region} = $exit->region->name;
1865	$rmp->{origin_map} = $exit->map->path;	2002	$rmp->{origin_map} = $exit->map->path;
1866	$rmp->{origin_x} = $exit->x;	2003	$rmp->{origin_x} = $exit->x;
1867	$rmp->{origin_y} = $exit->y;	2004	$rmp->{origin_y} = $exit->y;
1868	}	2005	}
1869		2006
1870	$rmp->{random_seed} ||= $exit->random_seed;	2007	$rmp->{random_seed} ||= $exit->random_seed;
1871		2008
1872	my $data = cf::to_json $rmp;	2009	my $data = cf::to_json $rmp;
1873	my $md5 = Digest::MD5::md5_hex $data;	2010	my $md5 = Digest::MD5::md5_hex $data;
		2011	my $meta = "$RANDOMDIR/$md5.meta";
1874		2012
1875	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2013	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1876	aio_write $fh, 0, (length $data), $data, 0;	2014	aio_write $fh, 0, (length $data), $data, 0;
		2015	undef $fh;
		2016	aio_rename "$meta~", $meta;
1877		2017
1878	$exit->slaying ("?random/$md5");	2018	$exit->slaying ("?random/$md5");
1879	$exit->msg (undef);	2019	$exit->msg (undef);
1880	}	2020	}
1881	}	2021	}
1882		2022
1883	sub cf::object::player::enter_exit {	2023	sub cf::object::player::enter_exit {
1884	my ($self, $exit) = @_;	2024	my ($self, $exit) = @_;
1885		2025
1886	return unless $self->type == cf::PLAYER;	2026	return unless $self->type == cf::PLAYER;
		2027
		2028	if ($exit->slaying eq "/!") {
		2029	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2030	# the problem is that $exit might not survive long enough
		2031	# so it needs to be done right now, right here
		2032	cf::sync_job { prepare_random_map $exit };
		2033	}
		2034
		2035	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2036	my $hp = $exit->stats->hp;
		2037	my $sp = $exit->stats->sp;
1887		2038
1888	$self->enter_link;	2039	$self->enter_link;
1889		2040
1890	(async {	2041	(async {
1891	$self->deactivate_recursive; # just to be sure	2042	$self->deactivate_recursive; # just to be sure
1892	unless (eval {	2043	unless (eval {
1893	prepare_random_map $exit	2044	$self->goto ($slaying, $hp, $sp);
1894	if $exit->slaying eq "/!";
1895
1896	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1897	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1898		2045
1899	1;	2046	1;
1900	}) {	2047	}) {
1901	$self->message ("Something went wrong deep within the crossfire server. "	2048	$self->message ("Something went wrong deep within the crossfire server. "
1902	. "I'll try to bring you back to the map you were before. "	2049	. "I'll try to bring you back to the map you were before. "
1903	. "Please report this to the dungeon master!",	2050	. "Please report this to the dungeon master!",
1904	cf::NDI_UNIQUE | cf::NDI_RED);	2051	cf::NDI_UNIQUE | cf::NDI_RED);
1905		2052
1906	warn "ERROR in enter_exit: $@";	2053	warn "ERROR in enter_exit: $@";
1907	$self->leave_link;	2054	$self->leave_link;
1908	}	2055	}
1909	})->prio (1);	2056	})->prio (1);
…		…
1922		2069
1923	sub cf::client::send_drawinfo {	2070	sub cf::client::send_drawinfo {
1924	my ($self, $text, $flags) = @_;	2071	my ($self, $text, $flags) = @_;
1925		2072
1926	utf8::encode $text;	2073	utf8::encode $text;
1927	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2074	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1928	}	2075	}
1929		2076
		2077	=item $client->ext_event ($type, %msg)
		2078
		2079	Sends an exti event to the client.
		2080
		2081	=cut
		2082
		2083	sub cf::client::ext_event($$%) {
		2084	my ($self, $type, %msg) = @_;
		2085
		2086	$msg{msgtype} = "event_$type";
		2087	$self->send_packet ("ext " . cf::to_json \%msg);
		2088	}
1930		2089
1931	=item $success = $client->query ($flags, "text", \&cb)	2090	=item $success = $client->query ($flags, "text", \&cb)
1932		2091
1933	Queues a query to the client, calling the given callback with	2092	Queues a query to the client, calling the given callback with
1934	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2093	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1963	# get handled first	2122	# get handled first
1964	my $queue = delete $ns->{query_queue}	2123	my $queue = delete $ns->{query_queue}
1965	or return; # be conservative, not sure how that can happen, but we saw a crash here	2124	or return; # be conservative, not sure how that can happen, but we saw a crash here
1966		2125
1967	(shift @$queue)->[1]->($msg);	2126	(shift @$queue)->[1]->($msg);
		2127	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1968		2128
1969	push @{ $ns->{query_queue} }, @$queue;	2129	push @{ $ns->{query_queue} }, @$queue;
1970		2130
1971	if (@{ $ns->{query_queue} } == @$queue) {	2131	if (@{ $ns->{query_queue} } == @$queue) {
1972	if (@$queue) {	2132	if (@$queue) {
…		…
2030		2190
2031	# here we export the classes and methods available to script code	2191	# here we export the classes and methods available to script code
2032		2192
2033	=pod	2193	=pod
2034		2194
2035	The following fucntions and emthods are available within a safe environment:	2195	The following functions and methods are available within a safe environment:
2036		2196
2037	cf::object contr pay_amount pay_player map	2197	cf::object contr pay_amount pay_player map
2038	cf::object::player player	2198	cf::object::player player
2039	cf::player peaceful	2199	cf::player peaceful
2040	cf::map trigger	2200	cf::map trigger
…		…
2125	#############################################################################	2285	#############################################################################
2126		2286
2127	=head2 EXTENSION DATABASE SUPPORT	2287	=head2 EXTENSION DATABASE SUPPORT
2128		2288
2129	Crossfire maintains a very simple database for extension use. It can	2289	Crossfire maintains a very simple database for extension use. It can
2130	currently store anything that can be serialised using Storable, which	2290	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2131	excludes objects.	2291	convert to/from binary).
2132		2292
2133	The parameter C<$family> should best start with the name of the extension	2293	The parameter C<$family> should best start with the name of the extension
2134	using it, it should be unique.	2294	using it, it should be unique.
2135		2295
2136	=over 4	2296	=over 4
2137		2297
2138	=item $hashref = cf::db_get $family
2139
2140	Return a hashref for use by the extension C<$family>, which can be
2141	modified. After modifications, you have to call C<cf::db_dirty> or
2142	C<cf::db_sync>.
2143
2144	=item $value = cf::db_get $family => $key	2298	=item $value = cf::db_get $family => $key
2145		2299
2146	Returns a single value from the database	2300	Returns a single value from the database.
2147
2148	=item cf::db_put $family => $hashref
2149
2150	Stores the given family hashref into the database. Updates are delayed, if
2151	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2152		2301
2153	=item cf::db_put $family => $key => $value	2302	=item cf::db_put $family => $key => $value
2154		2303
2155	Stores the given C<$value> in the family hash. Updates are delayed, if you	2304	Stores the given C<$value> in the family.
2156	want the data to be synced to disk immediately, use C<cf::db_sync>.
2157
2158	=item cf::db_dirty
2159
2160	Marks the database as dirty, to be updated at a later time.
2161
2162	=item cf::db_sync
2163
2164	Immediately write the database to disk I<if it is dirty>.
2165		2305
2166	=cut	2306	=cut
2167		2307
2168	our $DB;	2308	our $DB;
2169		2309
2170	{	2310	sub db_init {
2171	my $path = cf::localdir . "/database.pst";	2311	unless ($DB) {
		2312	$DB = BDB::db_create $DB_ENV;
2172		2313
2173	sub db_load() {	2314	cf::sync_job {
2174	$DB = stat $path ? Storable::retrieve $path : { };	2315	eval {
2175	}	2316	$DB->set_flags (BDB::CHKSUM);
2176		2317
2177	my $pid;	2318	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2178		2319	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2179	sub db_save() {	2320	cf::cleanup "db_open(db): $!" if $!;
2180	waitpid $pid, 0 if $pid;	2321	};
2181	if (0 == ($pid = fork)) {	2322	cf::cleanup "db_open(db): $@" if $@;
2182	$DB->{_meta}{version} = 1;
2183	Storable::nstore $DB, "$path~";
2184	rename "$path~", $path;
2185	cf::_exit 0 if defined $pid;
2186	}	2323	};
2187	}
2188
2189	my $dirty;
2190
2191	sub db_sync() {
2192	db_save if $dirty;
2193	undef $dirty;
2194	}
2195
2196	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2197	db_sync;
2198	});	2324	}
		2325	}
2199		2326
2200	sub db_dirty() {
2201	$dirty = 1;
2202	$idle->start;
2203	}
2204
2205	sub db_get($;$) {	2327	sub db_get($$) {
2206	@_ >= 2	2328	my $key = "$_[0]/$_[1]";
2207	? $DB->{$_[0]}{$_[1]}
2208	: ($DB->{$_[0]} ||= { })
2209	}
2210		2329
		2330	cf::sync_job {
		2331	BDB::db_get $DB, undef, $key, my $data;
		2332
		2333	$! ? ()
		2334	: $data
		2335	}
		2336	}
		2337
2211	sub db_put($$;$) {	2338	sub db_put($$$) {
2212	if (@_ >= 3) {	2339	BDB::dbreq_pri 4;
2213	$DB->{$_[0]}{$_[1]} = $_[2];	2340	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2214	} else {	2341	}
2215	$DB->{$_[0]} = $_[1];
2216	}
2217	db_dirty;
2218	}
2219		2342
2220	cf::global->attach (	2343	=item cf::cache $id => [$paths...], $processversion => $process
2221	prio => 10000,	2344
2222	on_cleanup => sub {	2345	Generic caching function that returns the value of the resource $id,
2223	db_sync;	2346	caching and regenerating as required.
		2347
		2348	This function can block.
		2349
		2350	=cut
		2351
		2352	sub cache {
		2353	my ($id, $src, $processversion, $process) = @_;
		2354
		2355	my $meta =
		2356	join "\x00",
		2357	$processversion,
		2358	map {
		2359	aio_stat $_
		2360	and Carp::croak "$_: $!";
		2361
		2362	($_, (stat _)[7,9])
		2363	} @$src;
		2364
		2365	my $dbmeta = db_get cache => "$id/meta";
		2366	if ($dbmeta ne $meta) {
		2367	# changed, we may need to process
		2368
		2369	my @data;
		2370	my $md5;
		2371
		2372	for (0 .. $#$src) {
		2373	0 <= aio_load $src->[$_], $data[$_]
		2374	or Carp::croak "$src->[$_]: $!";
2224	},	2375	}
2225	);	2376
		2377	# if processing is expensive, check
		2378	# checksum first
		2379	if (1) {
		2380	$md5 =
		2381	join "\x00",
		2382	$processversion,
		2383	map {
		2384	Coro::cede;
		2385	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2386	} 0.. $#$src;
		2387
		2388
		2389	my $dbmd5 = db_get cache => "$id/md5";
		2390	if ($dbmd5 eq $md5) {
		2391	db_put cache => "$id/meta", $meta;
		2392
		2393	return db_get cache => "$id/data";
		2394	}
		2395	}
		2396
		2397	my $t1 = Time::HiRes::time;
		2398	my $data = $process->(\@data);
		2399	my $t2 = Time::HiRes::time;
		2400
		2401	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2402
		2403	db_put cache => "$id/data", $data;
		2404	db_put cache => "$id/md5" , $md5;
		2405	db_put cache => "$id/meta", $meta;
		2406
		2407	return $data;
		2408	}
		2409
		2410	db_get cache => "$id/data"
2226	}	2411	}
		2412
		2413	=item fork_call { }, $args
		2414
		2415	Executes the given code block with the given arguments in a seperate
		2416	process, returning the results. Everything must be serialisable with
		2417	Coro::Storable. May, of course, block. Note that the executed sub may
		2418	never block itself or use any form of Event handling.
		2419
		2420	=cut
		2421
		2422	sub fork_call(&@) {
		2423	my ($cb, @args) = @_;
		2424
		2425	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2426	# or die "socketpair: $!";
		2427	pipe my $fh1, my $fh2
		2428	or die "pipe: $!";
		2429
		2430	if (my $pid = fork) {
		2431	close $fh2;
		2432
		2433	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2434	$res = Coro::Storable::thaw $res;
		2435
		2436	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2437
		2438	die $$res unless "ARRAY" eq ref $res;
		2439
		2440	return wantarray ? @$res : $res->[-1];
		2441	} else {
		2442	local $SIG{__WARN__};
		2443	eval {
		2444	local $SIG{__DIE__};
		2445	close $fh1;
		2446
		2447	my @res = eval { $cb->(@args) };
		2448	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2449	};
		2450
		2451	warn $@ if $@;
		2452	_exit 0;
		2453	}
		2454	}
		2455
		2456
2227		2457
2228	#############################################################################	2458	#############################################################################
2229	# the server's main()	2459	# the server's init and main functions
		2460
		2461	sub load_facedata($) {
		2462	my ($path) = @_;
		2463
		2464	warn "loading facedata from $path\n";
		2465
		2466	my $facedata;
		2467	0 < aio_load $path, $facedata
		2468	or die "$path: $!";
		2469
		2470	$facedata = Coro::Storable::thaw $facedata;
		2471
		2472	$facedata->{version} == 2
		2473	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2474
		2475	{
		2476	my $faces = $facedata->{faceinfo};
		2477
		2478	while (my ($face, $info) = each %$faces) {
		2479	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2480	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2481	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2482	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2483	Coro::cede;
		2484	}
		2485
		2486	while (my ($face, $info) = each %$faces) {
		2487	next unless $info->{smooth};
		2488	my $idx = cf::face::find $face
		2489	or next;
		2490	if (my $smooth = cf::face::find $info->{smooth}) {
		2491	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2492	} else {
		2493	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2494	}
		2495	Coro::cede;
		2496	}
		2497	}
		2498
		2499	{
		2500	my $anims = $facedata->{animinfo};
		2501
		2502	while (my ($anim, $info) = each %$anims) {
		2503	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2504	Coro::cede;
		2505	}
		2506
		2507	cf::anim::invalidate_all; # d'oh
		2508	}
		2509
		2510	1
		2511	}
		2512
		2513	sub reload_regions {
		2514	load_resource_file "$MAPDIR/regions"
		2515	or die "unable to load regions file\n";
		2516	}
		2517
		2518	sub reload_facedata {
		2519	load_facedata "$DATADIR/facedata"
		2520	or die "unable to load facedata\n";
		2521	}
		2522
		2523	sub reload_archetypes {
		2524	load_resource_file "$DATADIR/archetypes"
		2525	or die "unable to load archetypes\n";
		2526	}
		2527
		2528	sub reload_treasures {
		2529	load_resource_file "$DATADIR/treasures"
		2530	or die "unable to load treasurelists\n";
		2531	}
		2532
		2533	sub reload_resources {
		2534	warn "reloading resource files...\n";
		2535
		2536	reload_regions;
		2537	reload_facedata;
		2538	reload_archetypes;
		2539	reload_treasures;
		2540
		2541	warn "finished reloading resource files\n";
		2542	}
		2543
		2544	sub init {
		2545	reload_resources;
		2546	}
2230		2547
2231	sub cfg_load {	2548	sub cfg_load {
2232	open my $fh, "<:utf8", cf::confdir . "/config"	2549	open my $fh, "<:utf8", "$CONFDIR/config"
2233	or return;	2550	or return;
2234		2551
2235	local $/;	2552	local $/;
2236	*CFG = YAML::Syck::Load <$fh>;	2553	*CFG = YAML::Syck::Load <$fh>;
2237		2554
…		…
2251		2568
2252	sub main {	2569	sub main {
2253	# we must not ever block the main coroutine	2570	# we must not ever block the main coroutine
2254	local $Coro::idle = sub {	2571	local $Coro::idle = sub {
2255	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2572	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2573	(async {
2256	async { Event::one_event };	2574	Event::one_event;
		2575	})->prio (Coro::PRIO_MAX);
2257	};	2576	};
2258		2577
2259	cfg_load;	2578	cfg_load;
2260	db_load;	2579	db_init;
2261	load_extensions;	2580	load_extensions;
		2581
		2582	$TICK_WATCHER->start;
2262	Event::loop;	2583	Event::loop;
2263	}	2584	}
2264		2585
2265	#############################################################################	2586	#############################################################################
2266	# initialisation and cleanup	2587	# initialisation and cleanup
2267		2588
2268	# install some emergency cleanup handlers	2589	# install some emergency cleanup handlers
2269	BEGIN {	2590	BEGIN {
2270	for my $signal (qw(INT HUP TERM)) {	2591	for my $signal (qw(INT HUP TERM)) {
2271	Event->signal (	2592	Event->signal (
		2593	reentrant => 0,
2272	data => WF_AUTOCANCEL,	2594	data => WF_AUTOCANCEL,
2273	signal => $signal,	2595	signal => $signal,
		2596	prio => 0,
2274	cb => sub {	2597	cb => sub {
2275	cf::cleanup "SIG$signal";	2598	cf::cleanup "SIG$signal";
2276	},	2599	},
2277	);	2600	);
2278	}	2601	}
2279	}	2602	}
…		…
2284	warn "enter emergency perl save\n";	2607	warn "enter emergency perl save\n";
2285		2608
2286	cf::sync_job {	2609	cf::sync_job {
2287	# use a peculiar iteration method to avoid tripping on perl	2610	# use a peculiar iteration method to avoid tripping on perl
2288	# refcount bugs in for. also avoids problems with players	2611	# refcount bugs in for. also avoids problems with players
2289	# and maps saved/Destroyed asynchronously.	2612	# and maps saved/destroyed asynchronously.
2290	warn "begin emergency player save\n";	2613	warn "begin emergency player save\n";
2291	for my $login (keys %cf::PLAYER) {	2614	for my $login (keys %cf::PLAYER) {
2292	my $pl = $cf::PLAYER{$login} or next;	2615	my $pl = $cf::PLAYER{$login} or next;
2293	$pl->valid or next;	2616	$pl->valid or next;
2294	$pl->save;	2617	$pl->save;
…		…
2300	my $map = $cf::MAP{$path} or next;	2623	my $map = $cf::MAP{$path} or next;
2301	$map->valid or next;	2624	$map->valid or next;
2302	$map->save;	2625	$map->save;
2303	}	2626	}
2304	warn "end emergency map save\n";	2627	warn "end emergency map save\n";
		2628
		2629	warn "begin emergency database checkpoint\n";
		2630	BDB::db_env_txn_checkpoint $DB_ENV;
		2631	warn "end emergency database checkpoint\n";
2305	};	2632	};
2306		2633
2307	warn "leave emergency perl save\n";	2634	warn "leave emergency perl save\n";
2308	}	2635	}
2309		2636
		2637	sub post_cleanup {
		2638	my ($make_core) = @_;
		2639
		2640	warn Carp::longmess "post_cleanup backtrace"
		2641	if $make_core;
		2642	}
		2643
2310	sub reload() {	2644	sub do_reload_perl() {
2311	# can/must only be called in main	2645	# can/must only be called in main
2312	if ($Coro::current != $Coro::main) {	2646	if ($Coro::current != $Coro::main) {
2313	warn "can only reload from main coroutine\n";	2647	warn "can only reload from main coroutine";
2314	return;	2648	return;
2315	}	2649	}
2316		2650
2317	warn "reloading...";	2651	warn "reloading...";
2318		2652
2319	warn "freezing server";	2653	warn "entering sync_job";
2320	my $guard = freeze_mainloop;	2654
		2655	cf::sync_job {
		2656	cf::write_runtime; # external watchdog should not bark
2321	cf::emergency_save;	2657	cf::emergency_save;
		2658	cf::write_runtime; # external watchdog should not bark
2322		2659
2323	warn "sync database to disk";	2660	warn "syncing database to disk";
2324	cf::db_sync;	2661	BDB::db_env_txn_checkpoint $DB_ENV;
2325	IO::AIO::flush;
2326		2662
2327	eval {
2328	# if anything goes wrong in here, we should simply crash as we already saved	2663	# if anything goes wrong in here, we should simply crash as we already saved
2329		2664
2330	warn "cancel all watchers";	2665	warn "cancelling all WF_AUTOCANCEL watchers";
2331	for (Event::all_watchers) {	2666	for (Event::all_watchers) {
2332	$_->cancel if $_->data & WF_AUTOCANCEL;	2667	$_->cancel if $_->data & WF_AUTOCANCEL;
2333	}	2668	}
2334		2669
		2670	warn "flushing outstanding aio requests";
		2671	for (;;) {
		2672	BDB::flush;
		2673	IO::AIO::flush;
		2674	Coro::cede;
		2675	last unless IO::AIO::nreqs || BDB::nreqs;
		2676	warn "iterate...";
		2677	}
		2678
		2679	++$RELOAD;
		2680
2335	warn "cancel all extension coros";	2681	warn "cancelling all extension coros";
2336	$_->cancel for values %EXT_CORO;	2682	$_->cancel for values %EXT_CORO;
2337	%EXT_CORO = ();	2683	%EXT_CORO = ();
2338		2684
2339	warn "remove commands";	2685	warn "removing commands";
2340	%COMMAND = ();	2686	%COMMAND = ();
2341		2687
2342	warn "remove ext commands";	2688	warn "removing ext commands";
2343	%EXTCMD = ();	2689	%EXTCMD = ();
2344		2690
2345	warn "unload/nuke all extensions";	2691	warn "unloading/nuking all extensions";
2346	for my $pkg (@EXTS) {	2692	for my $pkg (@EXTS) {
2347	warn "... unloading $pkg";	2693	warn "... unloading $pkg";
2348		2694
2349	if (my $cb = $pkg->can ("unload")) {	2695	if (my $cb = $pkg->can ("unload")) {
2350	eval {	2696	eval {
…		…
2355		2701
2356	warn "... nuking $pkg";	2702	warn "... nuking $pkg";
2357	Symbol::delete_package $pkg;	2703	Symbol::delete_package $pkg;
2358	}	2704	}
2359		2705
2360	warn "unload all perl modules loaded from $LIBDIR";	2706	warn "unloading all perl modules loaded from $LIBDIR";
2361	while (my ($k, $v) = each %INC) {	2707	while (my ($k, $v) = each %INC) {
2362	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2708	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2363		2709
2364	warn "removing <$k>";	2710	warn "... unloading $k";
2365	delete $INC{$k};	2711	delete $INC{$k};
2366		2712
2367	$k =~ s/\.pm$//;	2713	$k =~ s/\.pm$//;
2368	$k =~ s/\//::/g;	2714	$k =~ s/\//::/g;
2369		2715
…		…
2372	}	2718	}
2373		2719
2374	Symbol::delete_package $k;	2720	Symbol::delete_package $k;
2375	}	2721	}
2376		2722
2377	warn "get rid of safe::, as good as possible";	2723	warn "getting rid of safe::, as good as possible";
2378	Symbol::delete_package "safe::$_"	2724	Symbol::delete_package "safe::$_"
2379	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2725	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2380		2726
2381	warn "unload cf.pm \"a bit\"";	2727	warn "unloading cf.pm \"a bit\"";
2382	delete $INC{"cf.pm"};	2728	delete $INC{"cf.pm"};
		2729	delete $INC{"cf/pod.pm"};
2383		2730
2384	# don't, removes xs symbols, too,	2731	# don't, removes xs symbols, too,
2385	# and global variables created in xs	2732	# and global variables created in xs
2386	#Symbol::delete_package __PACKAGE__;	2733	#Symbol::delete_package __PACKAGE__;
2387		2734
		2735	warn "unload completed, starting to reload now";
		2736
2388	warn "reloading cf.pm";	2737	warn "reloading cf.pm";
2389	require cf;	2738	require cf;
2390	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2739	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2391		2740
2392	warn "load config and database again";	2741	warn "loading config and database again";
2393	cf::cfg_load;	2742	cf::cfg_load;
2394	cf::db_load;
2395		2743
2396	warn "load extensions";	2744	warn "loading extensions";
2397	cf::load_extensions;	2745	cf::load_extensions;
2398		2746
2399	warn "reattach attachments to objects/players";	2747	warn "reattaching attachments to objects/players";
2400	_global_reattach;	2748	_global_reattach; # objects, sockets
2401	warn "reattach attachments to maps";	2749	warn "reattaching attachments to maps";
2402	reattach $_ for values %MAP;	2750	reattach $_ for values %MAP;
2403	};	2751	warn "reattaching attachments to players";
		2752	reattach $_ for values %PLAYER;
2404		2753
2405	if ($@) {	2754	warn "leaving sync_job";
		2755
		2756	1
		2757	} or do {
2406	warn $@;	2758	warn $@;
2407	warn "error while reloading, exiting.";	2759	warn "error while reloading, exiting.";
2408	exit 1;	2760	exit 1;
2409	}	2761	};
2410		2762
2411	warn "reloaded";	2763	warn "reloaded";
2412	};	2764	};
2413		2765
2414	#############################################################################	2766	our $RELOAD_WATCHER; # used only during reload
2415		2767
2416	unless ($LINK_MAP) {	2768	sub reload_perl() {
2417	$LINK_MAP = cf::map::new;	2769	# doing reload synchronously and two reloads happen back-to-back,
		2770	# coro crashes during coro_state_free->destroy here.
2418		2771
2419	$LINK_MAP->width (41);	2772	$RELOAD_WATCHER ||= Event->timer (
2420	$LINK_MAP->height (41);	2773	reentrant => 0,
2421	$LINK_MAP->alloc;
2422	$LINK_MAP->path ("{link}");
2423	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2424	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2425
2426	# dirty hack because... archetypes are not yet loaded
2427	Event->timer (
2428	after => 10,	2774	after => 0,
		2775	data => WF_AUTOCANCEL,
2429	cb => sub {	2776	cb => sub {
2430	$_[0]->w->cancel;	2777	do_reload_perl;
2431		2778	undef $RELOAD_WATCHER;
2432	# provide some exits "home"
2433	my $exit = cf::object::new "exit";
2434
2435	$exit->slaying ($EMERGENCY_POSITION->[0]);
2436	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2437	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2438
2439	$LINK_MAP->insert ($exit->clone, 19, 19);
2440	$LINK_MAP->insert ($exit->clone, 19, 20);
2441	$LINK_MAP->insert ($exit->clone, 19, 21);
2442	$LINK_MAP->insert ($exit->clone, 20, 19);
2443	$LINK_MAP->insert ($exit->clone, 20, 21);
2444	$LINK_MAP->insert ($exit->clone, 21, 19);
2445	$LINK_MAP->insert ($exit->clone, 21, 20);
2446	$LINK_MAP->insert ($exit->clone, 21, 21);
2447
2448	$exit->destroy;
2449	});	2779	},
2450		2780	);
2451	$LINK_MAP->{deny_save} = 1;
2452	$LINK_MAP->{deny_reset} = 1;
2453
2454	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2455	}	2781	}
2456		2782
2457	register_command "reload" => sub {	2783	register_command "reload" => sub {
2458	my ($who, $arg) = @_;	2784	my ($who, $arg) = @_;
2459		2785
2460	if ($who->flag (FLAG_WIZ)) {	2786	if ($who->flag (FLAG_WIZ)) {
2461	$who->message ("start of reload.");
2462	reload;
2463	$who->message ("end of reload.");	2787	$who->message ("reloading server.");
		2788	async { reload_perl };
2464	}	2789	}
2465	};	2790	};
2466		2791
2467	unshift @INC, $LIBDIR;	2792	unshift @INC, $LIBDIR;
		2793
		2794	my $bug_warning = 0;
		2795
		2796	our @WAIT_FOR_TICK;
		2797	our @WAIT_FOR_TICK_BEGIN;
		2798
		2799	sub wait_for_tick {
		2800	return unless $TICK_WATCHER->is_active;
		2801	return if $Coro::current == $Coro::main;
		2802
		2803	my $signal = new Coro::Signal;
		2804	push @WAIT_FOR_TICK, $signal;
		2805	$signal->wait;
		2806	}
		2807
		2808	sub wait_for_tick_begin {
		2809	return unless $TICK_WATCHER->is_active;
		2810	return if $Coro::current == $Coro::main;
		2811
		2812	my $signal = new Coro::Signal;
		2813	push @WAIT_FOR_TICK_BEGIN, $signal;
		2814	$signal->wait;
		2815	}
2468		2816
2469	$TICK_WATCHER = Event->timer (	2817	$TICK_WATCHER = Event->timer (
2470	reentrant => 0,	2818	reentrant => 0,
		2819	parked => 1,
2471	prio => 0,	2820	prio => 0,
2472	at => $NEXT_TICK || $TICK,	2821	at => $NEXT_TICK || $TICK,
2473	data => WF_AUTOCANCEL,	2822	data => WF_AUTOCANCEL,
2474	cb => sub {	2823	cb => sub {
		2824	if ($Coro::current != $Coro::main) {
		2825	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2826	unless ++$bug_warning > 10;
		2827	return;
		2828	}
		2829
2475	$NOW = Event::time;	2830	$NOW = Event::time;
2476		2831
2477	cf::server_tick; # one server iteration	2832	cf::server_tick; # one server iteration
		2833
2478	$RUNTIME += $TICK;	2834	$RUNTIME += $TICK;
2479	$NEXT_TICK += $TICK;	2835	$NEXT_TICK += $TICK;
2480		2836
2481	$WAIT_FOR_TICK->broadcast;	2837	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2482	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2838	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2839	Coro::async_pool {
		2840	write_runtime
		2841	or warn "ERROR: unable to write runtime file: $!";
		2842	};
		2843	}
		2844
		2845	# my $AFTER = Event::time;
		2846	# warn $AFTER - $NOW;#d#
2483		2847
2484	# if we are delayed by four ticks or more, skip them all	2848	# if we are delayed by four ticks or more, skip them all
2485	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2849	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2486		2850
2487	$TICK_WATCHER->at ($NEXT_TICK);	2851	$TICK_WATCHER->at ($NEXT_TICK);
2488	$TICK_WATCHER->start;	2852	$TICK_WATCHER->start;
		2853
		2854	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2855	$sig->send;
		2856	}
		2857	while (my $sig = shift @WAIT_FOR_TICK) {
		2858	$sig->send;
		2859	}
		2860
		2861	_post_tick;
2489	},	2862	},
2490	);	2863	);
2491		2864
		2865	{
2492	IO::AIO::max_poll_time $TICK * 0.2;	2866	BDB::max_poll_time $TICK * 0.1;
2493		2867	$BDB_POLL_WATCHER = Event->io (
2494	Event->io (	2868	reentrant => 0,
2495	fd => IO::AIO::poll_fileno,	2869	fd => BDB::poll_fileno,
2496	poll => 'r',	2870	poll => 'r',
2497	prio => 5,	2871	prio => 0,
2498	data => WF_AUTOCANCEL,
2499	cb => \&IO::AIO::poll_cb,
2500	);
2501
2502	Event->timer (
2503	data => WF_AUTOCANCEL,	2872	data => WF_AUTOCANCEL,
2504	after => 0,	2873	cb => \&BDB::poll_cb,
2505	interval => 10,	2874	);
2506	cb => sub {	2875	BDB::min_parallel 8;
2507	(Coro::unblock_sub {	2876
2508	write_runtime	2877	BDB::set_sync_prepare {
2509	or warn "ERROR: unable to write runtime file: $!";	2878	my $status;
		2879	my $current = $Coro::current;
		2880	(
		2881	sub {
		2882	$status = $!;
		2883	$current->ready; undef $current;
		2884	},
		2885	sub {
		2886	Coro::schedule while defined $current;
		2887	$! = $status;
		2888	},
		2889	)
		2890	};
		2891
		2892	unless ($DB_ENV) {
		2893	$DB_ENV = BDB::db_env_create;
		2894
		2895	cf::sync_job {
		2896	eval {
		2897	BDB::db_env_open
		2898	$DB_ENV,
		2899	$BDBDIR,
		2900	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2901	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2902	0666;
		2903
		2904	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		2905
		2906	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2907	$DB_ENV->set_lk_detect;
		2908	};
		2909
		2910	cf::cleanup "db_env_open(db): $@" if $@;
2510	})->();	2911	};
2511	},	2912	}
2512	);	2913	}
		2914
		2915	{
		2916	IO::AIO::min_parallel 8;
		2917
		2918	undef $Coro::AIO::WATCHER;
		2919	IO::AIO::max_poll_time $TICK * 0.1;
		2920	$AIO_POLL_WATCHER = Event->io (
		2921	reentrant => 0,
		2922	data => WF_AUTOCANCEL,
		2923	fd => IO::AIO::poll_fileno,
		2924	poll => 'r',
		2925	prio => 6,
		2926	cb => \&IO::AIO::poll_cb,
		2927	);
		2928	}
		2929
		2930	# load additional modules
		2931	use cf::pod;
2513		2932
2514	END { cf::emergency_save }	2933	END { cf::emergency_save }
2515		2934
2516	1	2935	1
2517		2936

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