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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.161 by root, Thu Jan 11 00:16:58 2007 UTC vs.
Revision 1.257 by root, Sat Apr 21 17:34:24 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	$path
478	}
479
480	# the original (read-only) location
481	sub load_path {
482	my ($self) = @_;
483
484	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
485	}
486
487	# the temporary/swap location
488	sub save_path {
489	my ($self) = @_;
490
491	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
492	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
493	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
494	}
495
496	# the unique path, undef == no special unique path
497	sub uniq_path {
498	my ($self) = @_;
499
500	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
501	}
502
503	# this is somewhat ugly, but style maps do need special treatment
504	sub is_style_map {
505	$_[0]{path} =~ m{^/styles/}
506	}
507
508	sub load_orig {
509	my ($self) = @_;
510
511	&cf::map::load_map_header ($self->load_path)
512	}
513
514	sub load_temp {
515	my ($self) = @_;
516
517	&cf::map::load_map_header ($self->save_path)
518	}
519
520	package cf;
521		413
522	#############################################################################	414	#############################################################################
523		415
524	=head2 ATTACHABLE OBJECTS	416	=head2 ATTACHABLE OBJECTS
525		417
…		…
651	our @CB_TYPE = (); # registry for type (cf-object class) based events	543	our @CB_TYPE = (); # registry for type (cf-object class) based events
652	our @CB_MAP = ();	544	our @CB_MAP = ();
653		545
654	my %attachment;	546	my %attachment;
655		547
		548	sub cf::attachable::thawer_merge {
		549	# simply override everything except _meta
		550	local $_[0]{_meta};
		551	%{$_[0]} = %{$_[1]};
		552	}
		553
656	sub _attach_cb($$$$) {	554	sub _attach_cb($$$$) {
657	my ($registry, $event, $prio, $cb) = @_;	555	my ($registry, $event, $prio, $cb) = @_;
658		556
659	use sort 'stable';	557	use sort 'stable';
660		558
…		…
831	# object support	729	# object support
832		730
833	sub reattach {	731	sub reattach {
834	# basically do the same as instantiate, without calling instantiate	732	# basically do the same as instantiate, without calling instantiate
835	my ($obj) = @_;	733	my ($obj) = @_;
		734
		735	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
836		736
837	my $registry = $obj->registry;	737	my $registry = $obj->registry;
838		738
839	@$registry = ();	739	@$registry = ();
840		740
…		…
887	$filename, length $$rdata, scalar @$objs;	787	$filename, length $$rdata, scalar @$objs;
888		788
889	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
890	chmod SAVE_MODE, $fh;	790	chmod SAVE_MODE, $fh;
891	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
892	aio_fsync $fh;	792	aio_fsync $fh if $cf::USE_FSYNC;
893	close $fh;	793	close $fh;
894		794
895	if (@$objs) {	795	if (@$objs) {
896	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) {
897	chmod SAVE_MODE, $fh;	797	chmod SAVE_MODE, $fh;
898	my $data = Storable::nfreeze { version => 1, objs => $objs };	798	my $data = Storable::nfreeze { version => 1, objs => $objs };
899	aio_write $fh, 0, (length $data), $data, 0;	799	aio_write $fh, 0, (length $data), $data, 0;
900	aio_fsync $fh;	800	aio_fsync $fh if $cf::USE_FSYNC;
901	close $fh;	801	close $fh;
902	aio_rename "$filename.pst~", "$filename.pst";	802	aio_rename "$filename.pst~", "$filename.pst";
903	}	803	}
904	} else {	804	} else {
905	aio_unlink "$filename.pst";	805	aio_unlink "$filename.pst";
…		…
1027	"package $pkg; use strict; use utf8;\n"	927	"package $pkg; use strict; use utf8;\n"
1028	. "#line 1 \"$path\"\n{\n"	928	. "#line 1 \"$path\"\n{\n"
1029	. (do { local $/; <$fh> })	929	. (do { local $/; <$fh> })
1030	. "\n};\n1";	930	. "\n};\n1";
1031		931
1032	eval $source	932	unless (eval $source) {
1033	or die $@ ? "$path: $@\n"	933	my $msg = $@ ? "$path: $@\n"
1034	: "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	}
1035		942
1036	push @EXTS, $pkg;	943	push @EXTS, $pkg;
1037	}	944	}
1038		945
1039	sub load_extensions {	946	sub load_extensions {
…		…
1045	} or warn "$ext not loaded: $@";	952	} or warn "$ext not loaded: $@";
1046	}	953	}
1047	}	954	}
1048		955
1049	#############################################################################	956	#############################################################################
1050	# load/save/clean perl data associated with a map
1051
1052	*cf::mapsupport::on_clean = sub {
1053	my ($map) = @_;
1054
1055	my $path = $map->tmpname;
1056	defined $path or return;
1057
1058	unlink "$path.pst";
1059	};
1060
1061	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1062
1063	#############################################################################
1064		957
1065	=head2 CORE EXTENSIONS	958	=head2 CORE EXTENSIONS
1066		959
1067	Functions and methods that extend core crossfire objects.	960	Functions and methods that extend core crossfire objects.
1068		961
…		…
1081	Returns the given player object, loading it if necessary (might block).	974	Returns the given player object, loading it if necessary (might block).
1082		975
1083	=cut	976	=cut
1084		977
1085	sub playerdir($) {	978	sub playerdir($) {
1086	cf::localdir	979	"$PLAYERDIR/"
1087	. "/"
1088	. cf::playerdir
1089	. "/"
1090	. (ref $_[0] ? $_[0]->ob->name : $_[0])	980	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1091	}	981	}
1092		982
1093	sub path($) {	983	sub path($) {
1094	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	984	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1095		985
1096	(playerdir $login) . "/$login.pl"	986	(playerdir $login) . "/playerdata"
1097	}	987	}
1098		988
1099	sub find_active($) {	989	sub find_active($) {
1100	$cf::PLAYER{$_[0]}	990	$cf::PLAYER{$_[0]}
1101	and $cf::PLAYER{$_[0]}->active	991	and $cf::PLAYER{$_[0]}->active
…		…
1104		994
1105	sub exists($) {	995	sub exists($) {
1106	my ($login) = @_;	996	my ($login) = @_;
1107		997
1108	$cf::PLAYER{$login}	998	$cf::PLAYER{$login}
1109	or cf::sync_job { !aio_stat $login }	999	or cf::sync_job { !aio_stat path $login }
1110	}	1000	}
1111		1001
1112	sub find($) {	1002	sub find($) {
1113	return $cf::PLAYER{$_[0]} || do {	1003	return $cf::PLAYER{$_[0]} || do {
1114	my $login = $_[0];	1004	my $login = $_[0];
1115		1005
1116	my $guard = cf::lock_acquire "user_find:$login";	1006	my $guard = cf::lock_acquire "user_find:$login";
1117		1007
1118	$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
1119	my $pl = load_pl path $login	1016	my $pl = load_pl path $login
1120	or return;	1017	or return;
1121	$cf::PLAYER{$login} = $pl	1018	$cf::PLAYER{$login} = $pl
1122	}	1019	}
1123	}	1020	}
…		…
1160		1057
1161	=cut	1058	=cut
1162		1059
1163	sub quit_character {	1060	sub quit_character {
1164	my ($pl) = @_;	1061	my ($pl) = @_;
		1062
		1063	my $name = $pl->ob->name;
1165		1064
1166	$pl->{deny_save} = 1;	1065	$pl->{deny_save} = 1;
1167	$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
1168		1067
1169	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1174	my $path = playerdir $pl;	1073	my $path = playerdir $pl;
1175	my $temp = "$path~$cf::RUNTIME~deleting~";	1074	my $temp = "$path~$cf::RUNTIME~deleting~";
1176	aio_rename $path, $temp;	1075	aio_rename $path, $temp;
1177	delete $cf::PLAYER{$pl->ob->name};	1076	delete $cf::PLAYER{$pl->ob->name};
1178	$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
1179	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;
1180	}	1099	}
1181		1100
1182	=item cf::player::list_logins	1101	=item cf::player::list_logins
1183		1102
1184	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
1185	while and may block, so not sync_job-capable, ever.	1104	while and may block, so not sync_job-capable, ever.
1186		1105
1187	=cut	1106	=cut
1188		1107
1189	sub list_logins {	1108	sub list_logins {
1190	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1109	my $dirs = aio_readdir $PLAYERDIR
1191	or return [];	1110	or return [];
1192		1111
1193	my @logins;	1112	my @logins;
1194		1113
1195	for my $login (@$dirs) {	1114	for my $login (@$dirs) {
…		…
1204	\@logins	1123	\@logins
1205	}	1124	}
1206		1125
1207	=item $player->maps	1126	=item $player->maps
1208		1127
1209	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
1210	player. May block.	1129	player. May block.
1211		1130
1212	=cut	1131	=cut
1213		1132
1214	sub maps($) {	1133	sub maps($) {
1215	my ($pl) = @_;	1134	my ($pl) = @_;
		1135
		1136	$pl = ref $pl ? $pl->ob->name : $pl;
1216		1137
1217	my $files = aio_readdir playerdir $pl	1138	my $files = aio_readdir playerdir $pl
1218	or return;	1139	or return;
1219		1140
1220	my @paths;	1141	my @paths;
…		…
1222	for (@$files) {	1143	for (@$files) {
1223	utf8::decode $_;	1144	utf8::decode $_;
1224	next if /\.(?:pl|pst)$/;	1145	next if /\.(?:pl|pst)$/;
1225	next unless /^$PATH_SEP/o;	1146	next unless /^$PATH_SEP/o;
1226		1147
1227	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1148	push @paths, cf::map::normalise "~$pl/$_";
1228	}	1149	}
1229		1150
1230	\@paths	1151	\@paths
1231	}	1152	}
1232		1153
1233	=item $player->ext_reply ($msgid, $msgtype, %msg)	1154	=item $player->ext_reply ($msgid, %msg)
1234		1155
1235	Sends an ext reply to the player.	1156	Sends an ext reply to the player.
1236		1157
1237	=cut	1158	=cut
1238		1159
1239	sub ext_reply($$$%) {	1160	sub ext_reply($$%) {
1240	my ($self, $id, %msg) = @_;	1161	my ($self, $id, %msg) = @_;
1241		1162
1242	$msg{msgid} = $id;	1163	$msg{msgid} = $id;
1243		1164
1244	$self->send ("ext " . cf::to_json \%msg);	1165	$self->send ("ext " . cf::to_json \%msg);
1245	}	1166	}
1246		1167
1247	package cf;	1168	=item $player->ext_event ($type, %msg)
		1169
		1170	Sends an ext event to the client.
		1171
		1172	=cut
		1173
		1174	sub ext_event($$%) {
		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	}
1248		1208
1249	=back	1209	=back
1250
1251		1210
1252	=head3 cf::map	1211	=head3 cf::map
1253		1212
1254	=over 4	1213	=over 4
1255		1214
…		…
1258	package cf::map;	1217	package cf::map;
1259		1218
1260	use Fcntl;	1219	use Fcntl;
1261	use Coro::AIO;	1220	use Coro::AIO;
1262		1221
		1222	use overload
		1223	'""' => \&as_string,
		1224	fallback => 1;
		1225
1263	our $MAX_RESET = 3600;	1226	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1227	our $DEFAULT_RESET = 3000;
1265		1228
1266	sub generate_random_map {	1229	sub generate_random_map {
1267	my ($path, $rmp) = @_;	1230	my ($self, $rmp) = @_;
1268
1269	# mit "rum" bekleckern, nicht	1231	# mit "rum" bekleckern, nicht
1270	cf::map::_create_random_map	1232	$self->_create_random_map (
1271	$path,
1272	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1273	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1274	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1275	$rmp->{exit_on_final_map},	1236	$rmp->{exit_on_final_map},
1276	$rmp->{xsize}, $rmp->{ysize},	1237	$rmp->{xsize}, $rmp->{ysize},
1277	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1238	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1278	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1239	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1279	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1240	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1280	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1241	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1281	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1242	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1282	(cf::region::find $rmp->{region})	1243	(cf::region::find $rmp->{region}), $rmp->{custom}
		1244	)
		1245	}
		1246
		1247	=item cf::map->register ($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"
1283	}	1374	}
1284		1375
1285	# and all this just because we cannot iterate over	1376	# and all this just because we cannot iterate over
1286	# all maps in C++...	1377	# all maps in C++...
1287	sub change_all_map_light {	1378	sub change_all_map_light {
…		…
1289		1380
1290	$_->change_map_light ($change)	1381	$_->change_map_light ($change)
1291	for grep $_->outdoor, values %cf::MAP;	1382	for grep $_->outdoor, values %cf::MAP;
1292	}	1383	}
1293		1384
		1385	sub unlink_save {
		1386	my ($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
1294	sub load_map_header($) {	1393	sub load_header_from($) {
1295	my ($path) = @_;	1394	my ($self, $path) = @_;
1296		1395
1297	utf8::encode $path;	1396	utf8::encode $path;
1298	aio_open $path, O_RDONLY, 0	1397	#aio_open $path, O_RDONLY, 0
		1398	# or return;
		1399
		1400	$self->_load_header ($path)
1299	or return;	1401	or return;
1300		1402
1301	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
1302	or return;	1446	or return;
		1447	$self->prepare_orig;
		1448	}
1303		1449
1304	# for better error messages only, will be overwritten later	1450	$self->default_region (cf::region::find_by_path $self->{path})
1305	$map->path ($path);	1451	unless $self->default_region;
1306		1452
1307	$map->load_header ($path)	1453	1
1308	or return;
1309
1310	$map->{load_path} = $path;
1311
1312	$map
1313	}	1454	}
1314		1455
1315	sub find;	1456	sub find;
1316	sub find {	1457	sub find {
1317	my ($path, $origin) = @_;	1458	my ($path, $origin) = @_;
1318		1459
1319	#warn "find<$path,$origin>\n";#d#
1320
1321	$path = new cf::path $path, $origin && $origin->path;	1460	$path = normalise $path, $origin && $origin->path;
1322	my $key = $path->as_string;
1323		1461
1324	cf::lock_wait "map_find:$key";	1462	cf::lock_wait "map_find:$path";
1325		1463
1326	$cf::MAP{$key} || do {	1464	$cf::MAP{$path} || do {
1327	my $guard = cf::lock_acquire "map_find:$key";	1465	my $guard = cf::lock_acquire "map_find:$path";
1328		1466	my $map = new_from_path cf::map $path
1329	# do it the slow way
1330	my $map = $path->load_temp;
1331
1332	Coro::cede;
1333
1334	if ($map) {
1335	$map->last_access ((delete $map->{last_access})
1336	|| $cf::RUNTIME); #d#
1337	# safety
1338	$map->{instantiate_time} = $cf::RUNTIME
1339	if $map->{instantiate_time} > $cf::RUNTIME;
1340	} else {
1341	$map = $path->load_orig
1342	or return;	1467	or return;
1343		1468
1344	$map->{load_original} = 1;
1345	$map->{instantiate_time} = $cf::RUNTIME;
1346	$map->last_access ($cf::RUNTIME);
1347	$map->instantiate;
1348
1349	# per-player maps become, after loading, normal maps
1350	$map->per_player (0) if $path->{user_rel};
1351	}
1352
1353	$map->path ($key);
1354	$map->{path} = $path;
1355	$map->{last_save} = $cf::RUNTIME;	1469	$map->{last_save} = $cf::RUNTIME;
1356		1470
1357	Coro::cede;	1471	$map->load_header
		1472	or return;
1358		1473
1359	if ($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;
1360	$map->reset;	1477	$map->reset;
1361	undef $guard;	1478	undef $guard;
1362	$map = find $path	1479	return find $path;
1363	or return;
1364	}	1480	}
1365		1481
1366	$cf::MAP{$key} = $map	1482	$cf::MAP{$path} = $map
1367	}	1483	}
1368	}	1484	}
		1485
		1486	sub pre_load { }
		1487	sub post_load { }
1369		1488
1370	sub load {	1489	sub load {
1371	my ($self) = @_;	1490	my ($self) = @_;
1372		1491
		1492	local $self->{deny_reset} = 1; # loading can take a long time
		1493
1373	my $path = $self->{path};	1494	my $path = $self->{path};
		1495
		1496	{
1374	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1497	my $guard = cf::lock_acquire "map_load:$path";
1375		1498
1376	return if $self->in_memory != cf::MAP_SWAPPED;	1499	return if $self->in_memory != cf::MAP_SWAPPED;
1377		1500
1378	$self->in_memory (cf::MAP_LOADING);	1501	$self->in_memory (cf::MAP_LOADING);
1379		1502
1380	$self->alloc;	1503	$self->alloc;
		1504
		1505	$self->pre_load;
		1506	Coro::cede;
		1507
1381	$self->load_objects ($self->{load_path}, 1)	1508	$self->_load_objects ($self->{load_path}, 1)
1382	or return;	1509	or return;
1383		1510
1384	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1385	if delete $self->{load_original};	1512	if delete $self->{load_original};
1386		1513
1387	if (my $uniq = $path->uniq_path) {	1514	if (my $uniq = $self->uniq_path) {
1388	utf8::encode $uniq;	1515	utf8::encode $uniq;
1389	if (aio_open $uniq, O_RDONLY, 0) {	1516	if (aio_open $uniq, O_RDONLY, 0) {
1390	$self->clear_unique_items;	1517	$self->clear_unique_items;
1391	$self->load_objects ($uniq, 0);	1518	$self->_load_objects ($uniq, 0);
1392	}	1519	}
1393	}	1520	}
1394		1521
1395	Coro::cede;	1522	Coro::cede;
1396
1397	# now do the right thing for maps	1523	# now do the right thing for maps
1398	$self->link_multipart_objects;	1524	$self->link_multipart_objects;
1399
1400	if ($self->{path}->is_style_map) {
1401	$self->{deny_save} = 1;
1402	$self->{deny_reset} = 1;
1403	} else {
1404	$self->fix_auto_apply;
1405	$self->decay_objects;
1406	$self->update_buttons;
1407	$self->set_darkness_map;
1408	$self->difficulty ($self->estimate_difficulty)	1525	$self->difficulty ($self->estimate_difficulty)
1409	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;
1410	$self->activate;	1536	$self->activate;
1411	}	1537	}
1412		1538
1413	Coro::cede;
1414
1415	$self->in_memory (cf::MAP_IN_MEMORY);	1539	$self->in_memory (cf::MAP_IN_MEMORY);
		1540	}
		1541
		1542	$self->post_load;
		1543	}
		1544
		1545	sub customise_for {
		1546	my ($self, $ob) = @_;
		1547
		1548	return find "~" . $ob->name . "/" . $self->{path}
		1549	if $self->per_player;
		1550
		1551	$self
1416	}	1552	}
1417		1553
1418	# find and load all maps in the 3x3 area around a map	1554	# find and load all maps in the 3x3 area around a map
1419	sub load_diag {	1555	sub load_diag {
1420	my ($map) = @_;	1556	my ($map) = @_;
…		…
1450		1586
1451	cf::sync_job { $map->load };	1587	cf::sync_job { $map->load };
1452	}	1588	}
1453		1589
1454	our %MAP_PREFETCH;	1590	our %MAP_PREFETCH;
1455	our $MAP_PREFETCHER = Coro::async {	1591	our $MAP_PREFETCHER = undef;
1456	while () {
1457	while (%MAP_PREFETCH) {
1458	my $key = each %MAP_PREFETCH
1459	or next;
1460	my $path = delete $MAP_PREFETCH{$key};
1461
1462	my $map = find $path
1463	or next;
1464	$map->load;
1465	}
1466	Coro::schedule;
1467	}
1468	};
1469		1592
1470	sub find_async {	1593	sub find_async {
1471	my ($path, $origin) = @_;	1594	my ($path, $origin) = @_;
1472		1595
1473	$path = new cf::path $path, $origin && $origin->path;	1596	$path = normalise $path, $origin && $origin->{path};
1474	my $key = $path->as_string;
1475		1597
1476	if (my $map = $cf::MAP{$key}) {	1598	if (my $map = $cf::MAP{$path}) {
1477	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1599	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1478	}	1600	}
1479		1601
1480	$MAP_PREFETCH{$key} = $path;	1602	undef $MAP_PREFETCH{$path};
		1603	$MAP_PREFETCHER ||= cf::async {
		1604	while (%MAP_PREFETCH) {
		1605	for my $path (keys %MAP_PREFETCH) {
		1606	my $map = find $path
		1607	or next;
		1608	$map->load;
		1609
		1610	delete $MAP_PREFETCH{$path};
		1611	}
		1612	}
		1613	undef $MAP_PREFETCHER;
		1614	};
1481	$MAP_PREFETCHER->ready;	1615	$MAP_PREFETCHER->prio (6);
1482		1616
1483	()	1617	()
1484	}	1618	}
1485		1619
1486	sub save {	1620	sub save {
…		…
1490		1624
1491	$self->{last_save} = $cf::RUNTIME;	1625	$self->{last_save} = $cf::RUNTIME;
1492		1626
1493	return unless $self->dirty;	1627	return unless $self->dirty;
1494		1628
1495	my $save = $self->{path}->save_path; utf8::encode $save;	1629	my $save = $self->save_path; utf8::encode $save;
1496	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1630	my $uniq = $self->uniq_path; utf8::encode $uniq;
1497		1631
1498	$self->{load_path} = $save;	1632	$self->{load_path} = $save;
1499		1633
1500	return if $self->{deny_save};	1634	return if $self->{deny_save};
1501		1635
…		…
1504	cf::async {	1638	cf::async {
1505	$_->contr->save for $self->players;	1639	$_->contr->save for $self->players;
1506	};	1640	};
1507		1641
1508	if ($uniq) {	1642	if ($uniq) {
1509	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1643	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1510	$self->save_objects ($uniq, cf::IO_UNIQUES);	1644	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1511	} else {	1645	} else {
1512	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1646	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1513	}	1647	}
1514	}	1648	}
1515		1649
1516	sub swap_out {	1650	sub swap_out {
1517	my ($self) = @_;	1651	my ($self) = @_;
…		…
1531		1665
1532	sub reset_at {	1666	sub reset_at {
1533	my ($self) = @_;	1667	my ($self) = @_;
1534		1668
1535	# TODO: safety, remove and allow resettable per-player maps	1669	# TODO: safety, remove and allow resettable per-player maps
1536	return 1e99 if $self->{path}{user_rel};	1670	return 1e99 if $self->isa ("ext::map_per_player");#d#
1537	return 1e99 if $self->{deny_reset};	1671	return 1e99 if $self->{deny_reset};
1538		1672
1539	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1673	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1540	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1674	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1541		1675
…		…
1546	my ($self) = @_;	1680	my ($self) = @_;
1547		1681
1548	$self->reset_at <= $cf::RUNTIME	1682	$self->reset_at <= $cf::RUNTIME
1549	}	1683	}
1550		1684
1551	sub unlink_save {
1552	my ($self) = @_;
1553
1554	utf8::encode (my $save = $self->{path}->save_path);
1555	aioreq_pri 3; IO::AIO::aio_unlink $save;
1556	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1557	}
1558
1559	sub rename {
1560	my ($self, $new_path) = @_;
1561
1562	$self->unlink_save;
1563
1564	delete $cf::MAP{$self->path};
1565	$self->{path} = new cf::path $new_path;
1566	$self->path ($self->{path}->as_string);
1567	$cf::MAP{$self->path} = $self;
1568
1569	$self->save;
1570	}
1571
1572	sub reset {	1685	sub reset {
1573	my ($self) = @_;	1686	my ($self) = @_;
1574		1687
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	1688	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		1689
1577	return if $self->players;	1690	return if $self->players;
1578	return if $self->{path}{user_rel};#d#	1691	return if $self->isa ("ext::map_per_player");#d#
1579		1692
1580	warn "resetting map ", $self->path;#d#	1693	warn "resetting map ", $self->path;#d#
1581		1694
		1695	$self->in_memory (cf::MAP_SWAPPED);
		1696
		1697	# need to save uniques path
		1698	unless ($self->{deny_save}) {
		1699	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1700
		1701	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1702	if $uniq;
		1703	}
		1704
1582	delete $cf::MAP{$self->path};	1705	delete $cf::MAP{$self->path};
		1706
		1707	$self->clear;
1583		1708
1584	$_->clear_links_to ($self) for values %cf::MAP;	1709	$_->clear_links_to ($self) for values %cf::MAP;
1585		1710
1586	$self->unlink_save;	1711	$self->unlink_save;
1587	$self->destroy;	1712	$self->destroy;
…		…
1590	my $nuke_counter = "aaaa";	1715	my $nuke_counter = "aaaa";
1591		1716
1592	sub nuke {	1717	sub nuke {
1593	my ($self) = @_;	1718	my ($self) = @_;
1594		1719
		1720	delete $cf::MAP{$self->path};
		1721
		1722	$self->unlink_save;
		1723
		1724	bless $self, "cf::map";
		1725	delete $self->{deny_reset};
1595	$self->{deny_save} = 1;	1726	$self->{deny_save} = 1;
1596	$self->reset_timeout (1);	1727	$self->reset_timeout (1);
1597	$self->rename ("{nuke}/" . ($nuke_counter++));	1728	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1729
		1730	$cf::MAP{$self->path} = $self;
		1731
1598	$self->reset; # polite request, might not happen	1732	$self->reset; # polite request, might not happen
1599	}	1733	}
1600		1734
1601	sub customise_for {
1602	my ($map, $ob) = @_;
1603
1604	if ($map->per_player) {
1605	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1606	}
1607
1608	$map
1609	}
1610
1611	=item cf::map::unique_maps	1735	=item cf::map::unique_maps
1612		1736
1613	Returns an arrayref of cf::path's of all shared maps that have	1737	Returns an arrayref of paths of all shared maps that have
1614	instantiated unique items. May block.	1738	instantiated unique items. May block.
1615		1739
1616	=cut	1740	=cut
1617		1741
1618	sub unique_maps() {	1742	sub unique_maps() {
1619	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1743	my $files = aio_readdir $UNIQUEDIR
1620	or return;	1744	or return;
1621		1745
1622	my @paths;	1746	my @paths;
1623		1747
1624	for (@$files) {	1748	for (@$files) {
1625	utf8::decode $_;	1749	utf8::decode $_;
1626	next if /\.pst$/;	1750	next if /\.pst$/;
1627	next unless /^$PATH_SEP/o;	1751	next unless /^$PATH_SEP/o;
1628		1752
1629	push @paths, new cf::path $_;	1753	push @paths, cf::map::normalise $_;
1630	}	1754	}
1631		1755
1632	\@paths	1756	\@paths
1633	}	1757	}
1634		1758
…		…
1709		1833
1710	=item $player_object->enter_link	1834	=item $player_object->enter_link
1711		1835
1712	Freezes the player and moves him/her to a special map (C<{link}>).	1836	Freezes the player and moves him/her to a special map (C<{link}>).
1713		1837
1714	The player should be reaosnably safe there for short amounts of time. You	1838	The player should be reasonably safe there for short amounts of time. You
1715	I<MUST> call C<leave_link> as soon as possible, though.	1839	I<MUST> call C<leave_link> as soon as possible, though.
1716		1840
		1841	Will never block.
		1842
1717	=item $player_object->leave_link ($map, $x, $y)	1843	=item $player_object->leave_link ($map, $x, $y)
1718		1844
1719	Moves the player out of the specila link map onto the given map. If the	1845	Moves the player out of the special C<{link}> map onto the specified
1720	map is not valid (or omitted), the player will be moved back to the	1846	map. If the map is not valid (or omitted), the player will be moved back
1721	location he/she was before the call to C<enter_link>, or, if that fails,	1847	to the location he/she was before the call to C<enter_link>, or, if that
1722	to the emergency map position.	1848	fails, to the emergency map position.
1723		1849
1724	Might block.	1850	Might block.
1725		1851
1726	=cut	1852	=cut
		1853
		1854	sub link_map {
		1855	unless ($LINK_MAP) {
		1856	$LINK_MAP = cf::map::find "{link}"
		1857	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1858	$LINK_MAP->load;
		1859	}
		1860
		1861	$LINK_MAP
		1862	}
1727		1863
1728	sub cf::object::player::enter_link {	1864	sub cf::object::player::enter_link {
1729	my ($self) = @_;	1865	my ($self) = @_;
1730		1866
1731	$self->deactivate_recursive;	1867	return if UNIVERSAL::isa $self->map, "ext::map_link";
1732
1733	return if $self->map == $LINK_MAP;
1734		1868
1735	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1869	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1736	if $self->map;	1870	if $self->map;
1737		1871
1738	$self->enter_map ($LINK_MAP, 20, 20);	1872	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1739	}	1873	}
1740		1874
1741	sub cf::object::player::leave_link {	1875	sub cf::object::player::leave_link {
1742	my ($self, $map, $x, $y) = @_;	1876	my ($self, $map, $x, $y) = @_;
1743		1877
…		…
1765	$map->load;	1899	$map->load;
1766	$map->load_diag;	1900	$map->load_diag;
1767		1901
1768	return unless $self->contr->active;	1902	return unless $self->contr->active;
1769	$self->activate_recursive;	1903	$self->activate_recursive;
		1904
		1905	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1770	$self->enter_map ($map, $x, $y);	1906	$self->enter_map ($map, $x, $y);
1771	}	1907	}
1772		1908
1773	cf::player->attach (	1909	cf::player->attach (
1774	on_logout => sub {	1910	on_logout => sub {
…		…
1787	# try to abort aborted map switching on player login :)	1923	# try to abort aborted map switching on player login :)
1788	# should happen only on crashes	1924	# should happen only on crashes
1789	if ($pl->ob->{_link_pos}) {	1925	if ($pl->ob->{_link_pos}) {
1790	$pl->ob->enter_link;	1926	$pl->ob->enter_link;
1791	(async {	1927	(async {
1792	# we need this sleep as the login has a concurrent enter_exit running
1793	# and this sleep increases chances of the player not ending up in scorn
1794	$pl->ob->reply (undef,	1928	$pl->ob->reply (undef,
1795	"There was an internal problem at your last logout, "	1929	"There was an internal problem at your last logout, "
1796	. "the server will try to bring you to your intended destination in a second.",	1930	. "the server will try to bring you to your intended destination in a second.",
1797	cf::NDI_RED);	1931	cf::NDI_RED);
		1932	# we need this sleep as the login has a concurrent enter_exit running
		1933	# and this sleep increases chances of the player not ending up in scorn
1798	Coro::Timer::sleep 1;	1934	Coro::Timer::sleep 1;
1799	$pl->ob->leave_link;	1935	$pl->ob->leave_link;
1800	})->prio (2);	1936	})->prio (2);
1801	}	1937	}
1802	},	1938	},
…		…
1807	=cut	1943	=cut
1808		1944
1809	sub cf::object::player::goto {	1945	sub cf::object::player::goto {
1810	my ($self, $path, $x, $y) = @_;	1946	my ($self, $path, $x, $y) = @_;
1811		1947
1812	$path = new cf::path $path;
1813
1814	$self->enter_link;	1948	$self->enter_link;
1815		1949
1816	(async {	1950	(async {
		1951	my $map = eval {
1817	my $map = cf::map::find $path->as_string;	1952	my $map = cf::map::find $path;
1818	$map = $map->customise_for ($self) if $map;	1953	$map = $map->customise_for ($self) if $map;
1819		1954	$map
1820	# warn "entering ", $map->path, " at ($x, $y)\n"	1955	} or
1821	# if $map;
1822
1823	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1956	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1824		1957
1825	$self->leave_link ($map, $x, $y);	1958	$self->leave_link ($map, $x, $y);
1826	})->prio (1);	1959	})->prio (1);
1827	}	1960	}
1828		1961
…		…
1832		1965
1833	sub parse_random_map_params {	1966	sub parse_random_map_params {
1834	my ($spec) = @_;	1967	my ($spec) = @_;
1835		1968
1836	my $rmp = { # defaults	1969	my $rmp = { # defaults
1837	xsize => 10,	1970	xsize => (cf::rndm 15, 40),
1838	ysize => 10,	1971	ysize => (cf::rndm 15, 40),
		1972	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1973	#layout => string,
1839	};	1974	};
1840		1975
1841	for (split /\n/, $spec) {	1976	for (split /\n/, $spec) {
1842	my ($k, $v) = split /\s+/, $_, 2;	1977	my ($k, $v) = split /\s+/, $_, 2;
1843		1978
…		…
1847	$rmp	1982	$rmp
1848	}	1983	}
1849		1984
1850	sub prepare_random_map {	1985	sub prepare_random_map {
1851	my ($exit) = @_;	1986	my ($exit) = @_;
		1987
		1988	my $guard = cf::lock_acquire "exit_prepare:$exit";
1852		1989
1853	# all this does is basically replace the /! path by	1990	# all this does is basically replace the /! path by
1854	# a new random map path (?random/...) with a seed	1991	# a new random map path (?random/...) with a seed
1855	# that depends on the exit object	1992	# that depends on the exit object
1856		1993
1857	my $rmp = parse_random_map_params $exit->msg;	1994	my $rmp = parse_random_map_params $exit->msg;
1858		1995
1859	if ($exit->map) {	1996	if ($exit->map) {
1860	$rmp->{region} = $exit->map->region_name;	1997	$rmp->{region} = $exit->region->name;
1861	$rmp->{origin_map} = $exit->map->path;	1998	$rmp->{origin_map} = $exit->map->path;
1862	$rmp->{origin_x} = $exit->x;	1999	$rmp->{origin_x} = $exit->x;
1863	$rmp->{origin_y} = $exit->y;	2000	$rmp->{origin_y} = $exit->y;
1864	}	2001	}
1865		2002
1866	$rmp->{random_seed} ||= $exit->random_seed;	2003	$rmp->{random_seed} ||= $exit->random_seed;
1867		2004
1868	my $data = cf::to_json $rmp;	2005	my $data = cf::to_json $rmp;
1869	my $md5 = Digest::MD5::md5_hex $data;	2006	my $md5 = Digest::MD5::md5_hex $data;
		2007	my $meta = "$RANDOMDIR/$md5.meta";
1870		2008
1871	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2009	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1872	aio_write $fh, 0, (length $data), $data, 0;	2010	aio_write $fh, 0, (length $data), $data, 0;
		2011	undef $fh;
		2012	aio_rename "$meta~", $meta;
1873		2013
1874	$exit->slaying ("?random/$md5");	2014	$exit->slaying ("?random/$md5");
1875	$exit->msg (undef);	2015	$exit->msg (undef);
1876	}	2016	}
1877	}	2017	}
1878		2018
1879	sub cf::object::player::enter_exit {	2019	sub cf::object::player::enter_exit {
1880	my ($self, $exit) = @_;	2020	my ($self, $exit) = @_;
1881		2021
1882	return unless $self->type == cf::PLAYER;	2022	return unless $self->type == cf::PLAYER;
		2023
		2024	if ($exit->slaying eq "/!") {
		2025	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2026	# the problem is that $exit might not survive long enough
		2027	# so it needs to be done right now, right here
		2028	cf::sync_job { prepare_random_map $exit };
		2029	}
		2030
		2031	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2032	my $hp = $exit->stats->hp;
		2033	my $sp = $exit->stats->sp;
1883		2034
1884	$self->enter_link;	2035	$self->enter_link;
1885		2036
1886	(async {	2037	(async {
1887	$self->deactivate_recursive; # just to be sure	2038	$self->deactivate_recursive; # just to be sure
1888	unless (eval {	2039	unless (eval {
1889	prepare_random_map $exit	2040	$self->goto ($slaying, $hp, $sp);
1890	if $exit->slaying eq "/!";
1891
1892	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1893	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1894		2041
1895	1;	2042	1;
1896	}) {	2043	}) {
1897	$self->message ("Something went wrong deep within the crossfire server. "	2044	$self->message ("Something went wrong deep within the crossfire server. "
1898	. "I'll try to bring you back to the map you were before. "	2045	. "I'll try to bring you back to the map you were before. "
1899	. "Please report this to the dungeon master!",	2046	. "Please report this to the dungeon master!",
1900	cf::NDI_UNIQUE | cf::NDI_RED);	2047	cf::NDI_UNIQUE | cf::NDI_RED);
1901		2048
1902	warn "ERROR in enter_exit: $@";	2049	warn "ERROR in enter_exit: $@";
1903	$self->leave_link;	2050	$self->leave_link;
1904	}	2051	}
1905	})->prio (1);	2052	})->prio (1);
…		…
1918		2065
1919	sub cf::client::send_drawinfo {	2066	sub cf::client::send_drawinfo {
1920	my ($self, $text, $flags) = @_;	2067	my ($self, $text, $flags) = @_;
1921		2068
1922	utf8::encode $text;	2069	utf8::encode $text;
1923	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2070	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1924	}	2071	}
1925		2072
		2073	=item $client->ext_event ($type, %msg)
		2074
		2075	Sends an exti event to the client.
		2076
		2077	=cut
		2078
		2079	sub cf::client::ext_event($$%) {
		2080	my ($self, $type, %msg) = @_;
		2081
		2082	$msg{msgtype} = "event_$type";
		2083	$self->send_packet ("ext " . cf::to_json \%msg);
		2084	}
1926		2085
1927	=item $success = $client->query ($flags, "text", \&cb)	2086	=item $success = $client->query ($flags, "text", \&cb)
1928		2087
1929	Queues a query to the client, calling the given callback with	2088	Queues a query to the client, calling the given callback with
1930	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2089	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1959	# get handled first	2118	# get handled first
1960	my $queue = delete $ns->{query_queue}	2119	my $queue = delete $ns->{query_queue}
1961	or return; # be conservative, not sure how that can happen, but we saw a crash here	2120	or return; # be conservative, not sure how that can happen, but we saw a crash here
1962		2121
1963	(shift @$queue)->[1]->($msg);	2122	(shift @$queue)->[1]->($msg);
		2123	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1964		2124
1965	push @{ $ns->{query_queue} }, @$queue;	2125	push @{ $ns->{query_queue} }, @$queue;
1966		2126
1967	if (@{ $ns->{query_queue} } == @$queue) {	2127	if (@{ $ns->{query_queue} } == @$queue) {
1968	if (@$queue) {	2128	if (@$queue) {
…		…
2026		2186
2027	# here we export the classes and methods available to script code	2187	# here we export the classes and methods available to script code
2028		2188
2029	=pod	2189	=pod
2030		2190
2031	The following fucntions and emthods are available within a safe environment:	2191	The following functions and methods are available within a safe environment:
2032		2192
2033	cf::object contr pay_amount pay_player map	2193	cf::object contr pay_amount pay_player map
2034	cf::object::player player	2194	cf::object::player player
2035	cf::player peaceful	2195	cf::player peaceful
2036	cf::map trigger	2196	cf::map trigger
…		…
2121	#############################################################################	2281	#############################################################################
2122		2282
2123	=head2 EXTENSION DATABASE SUPPORT	2283	=head2 EXTENSION DATABASE SUPPORT
2124		2284
2125	Crossfire maintains a very simple database for extension use. It can	2285	Crossfire maintains a very simple database for extension use. It can
2126	currently store anything that can be serialised using Storable, which	2286	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2127	excludes objects.	2287	convert to/from binary).
2128		2288
2129	The parameter C<$family> should best start with the name of the extension	2289	The parameter C<$family> should best start with the name of the extension
2130	using it, it should be unique.	2290	using it, it should be unique.
2131		2291
2132	=over 4	2292	=over 4
2133		2293
2134	=item $hashref = cf::db_get $family
2135
2136	Return a hashref for use by the extension C<$family>, which can be
2137	modified. After modifications, you have to call C<cf::db_dirty> or
2138	C<cf::db_sync>.
2139
2140	=item $value = cf::db_get $family => $key	2294	=item $value = cf::db_get $family => $key
2141		2295
2142	Returns a single value from the database	2296	Returns a single value from the database.
2143
2144	=item cf::db_put $family => $hashref
2145
2146	Stores the given family hashref into the database. Updates are delayed, if
2147	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2148		2297
2149	=item cf::db_put $family => $key => $value	2298	=item cf::db_put $family => $key => $value
2150		2299
2151	Stores the given C<$value> in the family hash. Updates are delayed, if you	2300	Stores the given C<$value> in the family.
2152	want the data to be synced to disk immediately, use C<cf::db_sync>.
2153
2154	=item cf::db_dirty
2155
2156	Marks the database as dirty, to be updated at a later time.
2157
2158	=item cf::db_sync
2159
2160	Immediately write the database to disk I<if it is dirty>.
2161		2301
2162	=cut	2302	=cut
2163		2303
2164	our $DB;	2304	our $DB;
2165		2305
2166	{	2306	sub db_init {
2167	my $path = cf::localdir . "/database.pst";	2307	unless ($DB) {
		2308	$DB = BDB::db_create $DB_ENV;
2168		2309
2169	sub db_load() {	2310	cf::sync_job {
2170	$DB = stat $path ? Storable::retrieve $path : { };	2311	eval {
2171	}	2312	$DB->set_flags (BDB::CHKSUM);
2172		2313
2173	my $pid;	2314	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2174		2315	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2175	sub db_save() {	2316	cf::cleanup "db_open(db): $!" if $!;
2176	waitpid $pid, 0 if $pid;	2317	};
2177	if (0 == ($pid = fork)) {	2318	cf::cleanup "db_open(db): $@" if $@;
2178	$DB->{_meta}{version} = 1;
2179	Storable::nstore $DB, "$path~";
2180	rename "$path~", $path;
2181	cf::_exit 0 if defined $pid;
2182	}	2319	};
2183	}
2184
2185	my $dirty;
2186
2187	sub db_sync() {
2188	db_save if $dirty;
2189	undef $dirty;
2190	}
2191
2192	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2193	db_sync;
2194	});	2320	}
		2321	}
2195		2322
2196	sub db_dirty() {
2197	$dirty = 1;
2198	$idle->start;
2199	}
2200
2201	sub db_get($;$) {	2323	sub db_get($$) {
2202	@_ >= 2	2324	my $key = "$_[0]/$_[1]";
2203	? $DB->{$_[0]}{$_[1]}
2204	: ($DB->{$_[0]} ||= { })
2205	}
2206		2325
		2326	cf::sync_job {
		2327	BDB::db_get $DB, undef, $key, my $data;
		2328
		2329	$! ? ()
		2330	: $data
		2331	}
		2332	}
		2333
2207	sub db_put($$;$) {	2334	sub db_put($$$) {
2208	if (@_ >= 3) {	2335	BDB::dbreq_pri 4;
2209	$DB->{$_[0]}{$_[1]} = $_[2];	2336	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2210	} else {	2337	}
2211	$DB->{$_[0]} = $_[1];
2212	}
2213	db_dirty;
2214	}
2215		2338
2216	cf::global->attach (	2339	=item cf::cache $id => [$paths...], $processversion => $process
2217	prio => 10000,	2340
2218	on_cleanup => sub {	2341	Generic caching function that returns the value of the resource $id,
2219	db_sync;	2342	caching and regenerating as required.
		2343
		2344	This function can block.
		2345
		2346	=cut
		2347
		2348	sub cache {
		2349	my ($id, $src, $processversion, $process) = @_;
		2350
		2351	my $meta =
		2352	join "\x00",
		2353	$processversion,
		2354	map {
		2355	aio_stat $_
		2356	and Carp::croak "$_: $!";
		2357
		2358	($_, (stat _)[7,9])
		2359	} @$src;
		2360
		2361	my $dbmeta = db_get cache => "$id/meta";
		2362	if ($dbmeta ne $meta) {
		2363	# changed, we may need to process
		2364
		2365	my @data;
		2366	my $md5;
		2367
		2368	for (0 .. $#$src) {
		2369	0 <= aio_load $src->[$_], $data[$_]
		2370	or Carp::croak "$src->[$_]: $!";
2220	},	2371	}
2221	);	2372
		2373	# if processing is expensive, check
		2374	# checksum first
		2375	if (1) {
		2376	$md5 =
		2377	join "\x00",
		2378	$processversion,
		2379	map {
		2380	Coro::cede;
		2381	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2382	} 0.. $#$src;
		2383
		2384
		2385	my $dbmd5 = db_get cache => "$id/md5";
		2386	if ($dbmd5 eq $md5) {
		2387	db_put cache => "$id/meta", $meta;
		2388
		2389	return db_get cache => "$id/data";
		2390	}
		2391	}
		2392
		2393	my $t1 = Time::HiRes::time;
		2394	my $data = $process->(\@data);
		2395	my $t2 = Time::HiRes::time;
		2396
		2397	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2398
		2399	db_put cache => "$id/data", $data;
		2400	db_put cache => "$id/md5" , $md5;
		2401	db_put cache => "$id/meta", $meta;
		2402
		2403	return $data;
		2404	}
		2405
		2406	db_get cache => "$id/data"
2222	}	2407	}
		2408
		2409	=item fork_call { }, $args
		2410
		2411	Executes the given code block with the given arguments in a seperate
		2412	process, returning the results. Everything must be serialisable with
		2413	Coro::Storable. May, of course, block. Note that the executed sub may
		2414	never block itself or use any form of Event handling.
		2415
		2416	=cut
		2417
		2418	sub fork_call(&@) {
		2419	my ($cb, @args) = @_;
		2420
		2421	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2422	# or die "socketpair: $!";
		2423	pipe my $fh1, my $fh2
		2424	or die "pipe: $!";
		2425
		2426	if (my $pid = fork) {
		2427	close $fh2;
		2428
		2429	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2430	$res = Coro::Storable::thaw $res;
		2431
		2432	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2433
		2434	die $$res unless "ARRAY" eq ref $res;
		2435
		2436	return wantarray ? @$res : $res->[-1];
		2437	} else {
		2438	local $SIG{__WARN__};
		2439	eval {
		2440	local $SIG{__DIE__};
		2441	close $fh1;
		2442
		2443	my @res = eval { $cb->(@args) };
		2444	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2445	};
		2446
		2447	warn $@ if $@;
		2448	_exit 0;
		2449	}
		2450	}
		2451
		2452
2223		2453
2224	#############################################################################	2454	#############################################################################
2225	# the server's main()	2455	# the server's init and main functions
		2456
		2457	sub load_facedata($) {
		2458	my ($path) = @_;
		2459
		2460	warn "loading facedata from $path\n";
		2461
		2462	my $facedata;
		2463	0 < aio_load $path, $facedata
		2464	or die "$path: $!";
		2465
		2466	$facedata = Coro::Storable::thaw $facedata;
		2467
		2468	$facedata->{version} == 2
		2469	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2470
		2471	{
		2472	my $faces = $facedata->{faceinfo};
		2473
		2474	while (my ($face, $info) = each %$faces) {
		2475	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2476	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2477	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2478	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2479	Coro::cede;
		2480	}
		2481
		2482	while (my ($face, $info) = each %$faces) {
		2483	next unless $info->{smooth};
		2484	my $idx = cf::face::find $face
		2485	or next;
		2486	if (my $smooth = cf::face::find $info->{smooth}) {
		2487	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2488	} else {
		2489	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2490	}
		2491	Coro::cede;
		2492	}
		2493	}
		2494
		2495	{
		2496	my $anims = $facedata->{animinfo};
		2497
		2498	while (my ($anim, $info) = each %$anims) {
		2499	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2500	Coro::cede;
		2501	}
		2502
		2503	cf::anim::invalidate_all; # d'oh
		2504	}
		2505
		2506	1
		2507	}
		2508
		2509	sub reload_regions {
		2510	load_resource_file "$MAPDIR/regions"
		2511	or die "unable to load regions file\n";
		2512	}
		2513
		2514	sub reload_facedata {
		2515	load_facedata "$DATADIR/facedata"
		2516	or die "unable to load facedata\n";
		2517	}
		2518
		2519	sub reload_archetypes {
		2520	load_resource_file "$DATADIR/archetypes"
		2521	or die "unable to load archetypes\n";
		2522	}
		2523
		2524	sub reload_treasures {
		2525	load_resource_file "$DATADIR/treasures"
		2526	or die "unable to load treasurelists\n";
		2527	}
		2528
		2529	sub reload_resources {
		2530	warn "reloading resource files...\n";
		2531
		2532	reload_regions;
		2533	reload_facedata;
		2534	reload_archetypes;
		2535	reload_treasures;
		2536
		2537	warn "finished reloading resource files\n";
		2538	}
		2539
		2540	sub init {
		2541	reload_resources;
		2542	}
2226		2543
2227	sub cfg_load {	2544	sub cfg_load {
2228	open my $fh, "<:utf8", cf::confdir . "/config"	2545	open my $fh, "<:utf8", "$CONFDIR/config"
2229	or return;	2546	or return;
2230		2547
2231	local $/;	2548	local $/;
2232	*CFG = YAML::Syck::Load <$fh>;	2549	*CFG = YAML::Syck::Load <$fh>;
2233		2550
…		…
2247		2564
2248	sub main {	2565	sub main {
2249	# we must not ever block the main coroutine	2566	# we must not ever block the main coroutine
2250	local $Coro::idle = sub {	2567	local $Coro::idle = sub {
2251	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2568	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2569	(async {
2252	async { Event::one_event };	2570	Event::one_event;
		2571	})->prio (Coro::PRIO_MAX);
2253	};	2572	};
2254		2573
2255	cfg_load;	2574	cfg_load;
2256	db_load;	2575	db_init;
2257	load_extensions;	2576	load_extensions;
		2577
		2578	$TICK_WATCHER->start;
2258	Event::loop;	2579	Event::loop;
2259	}	2580	}
2260		2581
2261	#############################################################################	2582	#############################################################################
2262	# initialisation and cleanup	2583	# initialisation and cleanup
2263		2584
2264	# install some emergency cleanup handlers	2585	# install some emergency cleanup handlers
2265	BEGIN {	2586	BEGIN {
2266	for my $signal (qw(INT HUP TERM)) {	2587	for my $signal (qw(INT HUP TERM)) {
2267	Event->signal (	2588	Event->signal (
		2589	reentrant => 0,
2268	data => WF_AUTOCANCEL,	2590	data => WF_AUTOCANCEL,
2269	signal => $signal,	2591	signal => $signal,
		2592	prio => 0,
2270	cb => sub {	2593	cb => sub {
2271	cf::cleanup "SIG$signal";	2594	cf::cleanup "SIG$signal";
2272	},	2595	},
2273	);	2596	);
2274	}	2597	}
2275	}	2598	}
…		…
2280	warn "enter emergency perl save\n";	2603	warn "enter emergency perl save\n";
2281		2604
2282	cf::sync_job {	2605	cf::sync_job {
2283	# use a peculiar iteration method to avoid tripping on perl	2606	# use a peculiar iteration method to avoid tripping on perl
2284	# refcount bugs in for. also avoids problems with players	2607	# refcount bugs in for. also avoids problems with players
2285	# and maps saved/Destroyed asynchronously.	2608	# and maps saved/destroyed asynchronously.
2286	warn "begin emergency player save\n";	2609	warn "begin emergency player save\n";
2287	for my $login (keys %cf::PLAYER) {	2610	for my $login (keys %cf::PLAYER) {
2288	my $pl = $cf::PLAYER{$login} or next;	2611	my $pl = $cf::PLAYER{$login} or next;
2289	$pl->valid or next;	2612	$pl->valid or next;
2290	$pl->save;	2613	$pl->save;
…		…
2296	my $map = $cf::MAP{$path} or next;	2619	my $map = $cf::MAP{$path} or next;
2297	$map->valid or next;	2620	$map->valid or next;
2298	$map->save;	2621	$map->save;
2299	}	2622	}
2300	warn "end emergency map save\n";	2623	warn "end emergency map save\n";
		2624
		2625	warn "begin emergency database checkpoint\n";
		2626	BDB::db_env_txn_checkpoint $DB_ENV;
		2627	warn "end emergency database checkpoint\n";
2301	};	2628	};
2302		2629
2303	warn "leave emergency perl save\n";	2630	warn "leave emergency perl save\n";
2304	}	2631	}
2305		2632
		2633	sub post_cleanup {
		2634	my ($make_core) = @_;
		2635
		2636	warn Carp::longmess "post_cleanup backtrace"
		2637	if $make_core;
		2638	}
		2639
2306	sub reload() {	2640	sub do_reload_perl() {
2307	# can/must only be called in main	2641	# can/must only be called in main
2308	if ($Coro::current != $Coro::main) {	2642	if ($Coro::current != $Coro::main) {
2309	warn "can only reload from main coroutine\n";	2643	warn "can only reload from main coroutine";
2310	return;	2644	return;
2311	}	2645	}
2312		2646
2313	warn "reloading...";	2647	warn "reloading...";
2314		2648
2315	warn "freezing server";	2649	warn "entering sync_job";
2316	my $guard = freeze_mainloop;	2650
		2651	cf::sync_job {
		2652	cf::write_runtime; # external watchdog should not bark
2317	cf::emergency_save;	2653	cf::emergency_save;
		2654	cf::write_runtime; # external watchdog should not bark
2318		2655
2319	warn "sync database to disk";	2656	warn "syncing database to disk";
2320	cf::db_sync;	2657	BDB::db_env_txn_checkpoint $DB_ENV;
2321	IO::AIO::flush;
2322		2658
2323	eval {
2324	# if anything goes wrong in here, we should simply crash as we already saved	2659	# if anything goes wrong in here, we should simply crash as we already saved
2325		2660
2326	warn "cancel all watchers";	2661	warn "cancelling all WF_AUTOCANCEL watchers";
2327	for (Event::all_watchers) {	2662	for (Event::all_watchers) {
2328	$_->cancel if $_->data & WF_AUTOCANCEL;	2663	$_->cancel if $_->data & WF_AUTOCANCEL;
2329	}	2664	}
2330		2665
		2666	warn "flushing outstanding aio requests";
		2667	for (;;) {
		2668	BDB::flush;
		2669	IO::AIO::flush;
		2670	Coro::cede;
		2671	last unless IO::AIO::nreqs || BDB::nreqs;
		2672	warn "iterate...";
		2673	}
		2674
		2675	++$RELOAD;
		2676
2331	warn "cancel all extension coros";	2677	warn "cancelling all extension coros";
2332	$_->cancel for values %EXT_CORO;	2678	$_->cancel for values %EXT_CORO;
2333	%EXT_CORO = ();	2679	%EXT_CORO = ();
2334		2680
2335	warn "remove commands";	2681	warn "removing commands";
2336	%COMMAND = ();	2682	%COMMAND = ();
2337		2683
2338	warn "remove ext commands";	2684	warn "removing ext commands";
2339	%EXTCMD = ();	2685	%EXTCMD = ();
2340		2686
2341	warn "unload/nuke all extensions";	2687	warn "unloading/nuking all extensions";
2342	for my $pkg (@EXTS) {	2688	for my $pkg (@EXTS) {
2343	warn "... unloading $pkg";	2689	warn "... unloading $pkg";
2344		2690
2345	if (my $cb = $pkg->can ("unload")) {	2691	if (my $cb = $pkg->can ("unload")) {
2346	eval {	2692	eval {
…		…
2351		2697
2352	warn "... nuking $pkg";	2698	warn "... nuking $pkg";
2353	Symbol::delete_package $pkg;	2699	Symbol::delete_package $pkg;
2354	}	2700	}
2355		2701
2356	warn "unload all perl modules loaded from $LIBDIR";	2702	warn "unloading all perl modules loaded from $LIBDIR";
2357	while (my ($k, $v) = each %INC) {	2703	while (my ($k, $v) = each %INC) {
2358	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2704	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2359		2705
2360	warn "removing <$k>";	2706	warn "... unloading $k";
2361	delete $INC{$k};	2707	delete $INC{$k};
2362		2708
2363	$k =~ s/\.pm$//;	2709	$k =~ s/\.pm$//;
2364	$k =~ s/\//::/g;	2710	$k =~ s/\//::/g;
2365		2711
…		…
2368	}	2714	}
2369		2715
2370	Symbol::delete_package $k;	2716	Symbol::delete_package $k;
2371	}	2717	}
2372		2718
2373	warn "get rid of safe::, as good as possible";	2719	warn "getting rid of safe::, as good as possible";
2374	Symbol::delete_package "safe::$_"	2720	Symbol::delete_package "safe::$_"
2375	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2721	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2376		2722
2377	warn "unload cf.pm \"a bit\"";	2723	warn "unloading cf.pm \"a bit\"";
2378	delete $INC{"cf.pm"};	2724	delete $INC{"cf.pm"};
		2725	delete $INC{"cf/pod.pm"};
2379		2726
2380	# don't, removes xs symbols, too,	2727	# don't, removes xs symbols, too,
2381	# and global variables created in xs	2728	# and global variables created in xs
2382	#Symbol::delete_package __PACKAGE__;	2729	#Symbol::delete_package __PACKAGE__;
2383		2730
		2731	warn "unload completed, starting to reload now";
		2732
2384	warn "reloading cf.pm";	2733	warn "reloading cf.pm";
2385	require cf;	2734	require cf;
2386	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2735	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2387		2736
2388	warn "load config and database again";	2737	warn "loading config and database again";
2389	cf::cfg_load;	2738	cf::cfg_load;
2390	cf::db_load;
2391		2739
2392	warn "load extensions";	2740	warn "loading extensions";
2393	cf::load_extensions;	2741	cf::load_extensions;
2394		2742
2395	warn "reattach attachments to objects/players";	2743	warn "reattaching attachments to objects/players";
2396	_global_reattach;	2744	_global_reattach; # objects, sockets
2397	warn "reattach attachments to maps";	2745	warn "reattaching attachments to maps";
2398	reattach $_ for values %MAP;	2746	reattach $_ for values %MAP;
2399	};	2747	warn "reattaching attachments to players";
		2748	reattach $_ for values %PLAYER;
2400		2749
2401	if ($@) {	2750	warn "leaving sync_job";
		2751
		2752	1
		2753	} or do {
2402	warn $@;	2754	warn $@;
2403	warn "error while reloading, exiting.";	2755	warn "error while reloading, exiting.";
2404	exit 1;	2756	exit 1;
2405	}	2757	};
2406		2758
2407	warn "reloaded";	2759	warn "reloaded";
2408	};	2760	};
2409		2761
2410	#############################################################################	2762	our $RELOAD_WATCHER; # used only during reload
2411		2763
2412	unless ($LINK_MAP) {	2764	sub reload_perl() {
2413	$LINK_MAP = cf::map::new;	2765	# doing reload synchronously and two reloads happen back-to-back,
		2766	# coro crashes during coro_state_free->destroy here.
2414		2767
2415	$LINK_MAP->width (41);	2768	$RELOAD_WATCHER ||= Event->timer (
2416	$LINK_MAP->height (41);	2769	reentrant => 0,
2417	$LINK_MAP->alloc;
2418	$LINK_MAP->path ("{link}");
2419	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2420	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2421
2422	# dirty hack because... archetypes are not yet loaded
2423	Event->timer (
2424	after => 10,	2770	after => 0,
		2771	data => WF_AUTOCANCEL,
2425	cb => sub {	2772	cb => sub {
2426	$_[0]->w->cancel;	2773	do_reload_perl;
2427		2774	undef $RELOAD_WATCHER;
2428	# provide some exits "home"
2429	my $exit = cf::object::new "exit";
2430
2431	$exit->slaying ($EMERGENCY_POSITION->[0]);
2432	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2433	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2434
2435	$LINK_MAP->insert ($exit->clone, 19, 19);
2436	$LINK_MAP->insert ($exit->clone, 19, 20);
2437	$LINK_MAP->insert ($exit->clone, 19, 21);
2438	$LINK_MAP->insert ($exit->clone, 20, 19);
2439	$LINK_MAP->insert ($exit->clone, 20, 21);
2440	$LINK_MAP->insert ($exit->clone, 21, 19);
2441	$LINK_MAP->insert ($exit->clone, 21, 20);
2442	$LINK_MAP->insert ($exit->clone, 21, 21);
2443
2444	$exit->destroy;
2445	});	2775	},
2446		2776	);
2447	$LINK_MAP->{deny_save} = 1;
2448	$LINK_MAP->{deny_reset} = 1;
2449
2450	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2451	}	2777	}
2452		2778
2453	register_command "reload" => sub {	2779	register_command "reload" => sub {
2454	my ($who, $arg) = @_;	2780	my ($who, $arg) = @_;
2455		2781
2456	if ($who->flag (FLAG_WIZ)) {	2782	if ($who->flag (FLAG_WIZ)) {
2457	$who->message ("start of reload.");
2458	reload;
2459	$who->message ("end of reload.");	2783	$who->message ("reloading server.");
		2784	async { reload_perl };
2460	}	2785	}
2461	};	2786	};
2462		2787
2463	unshift @INC, $LIBDIR;	2788	unshift @INC, $LIBDIR;
		2789
		2790	my $bug_warning = 0;
		2791
		2792	our @WAIT_FOR_TICK;
		2793	our @WAIT_FOR_TICK_BEGIN;
		2794
		2795	sub wait_for_tick {
		2796	return unless $TICK_WATCHER->is_active;
		2797	return if $Coro::current == $Coro::main;
		2798
		2799	my $signal = new Coro::Signal;
		2800	push @WAIT_FOR_TICK, $signal;
		2801	$signal->wait;
		2802	}
		2803
		2804	sub wait_for_tick_begin {
		2805	return unless $TICK_WATCHER->is_active;
		2806	return if $Coro::current == $Coro::main;
		2807
		2808	my $signal = new Coro::Signal;
		2809	push @WAIT_FOR_TICK_BEGIN, $signal;
		2810	$signal->wait;
		2811	}
2464		2812
2465	$TICK_WATCHER = Event->timer (	2813	$TICK_WATCHER = Event->timer (
2466	reentrant => 0,	2814	reentrant => 0,
		2815	parked => 1,
2467	prio => 0,	2816	prio => 0,
2468	at => $NEXT_TICK || $TICK,	2817	at => $NEXT_TICK || $TICK,
2469	data => WF_AUTOCANCEL,	2818	data => WF_AUTOCANCEL,
2470	cb => sub {	2819	cb => sub {
		2820	if ($Coro::current != $Coro::main) {
		2821	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2822	unless ++$bug_warning > 10;
		2823	return;
		2824	}
		2825
		2826	$NOW = Event::time;
		2827
2471	cf::server_tick; # one server iteration	2828	cf::server_tick; # one server iteration
		2829
2472	$RUNTIME += $TICK;	2830	$RUNTIME += $TICK;
2473	$NEXT_TICK += $TICK;	2831	$NEXT_TICK += $TICK;
2474		2832
2475	$WAIT_FOR_TICK->broadcast;	2833	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2476	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2834	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2835	Coro::async_pool {
		2836	write_runtime
		2837	or warn "ERROR: unable to write runtime file: $!";
		2838	};
		2839	}
		2840
		2841	# my $AFTER = Event::time;
		2842	# warn $AFTER - $NOW;#d#
2477		2843
2478	# if we are delayed by four ticks or more, skip them all	2844	# if we are delayed by four ticks or more, skip them all
2479	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2845	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2480		2846
2481	$TICK_WATCHER->at ($NEXT_TICK);	2847	$TICK_WATCHER->at ($NEXT_TICK);
2482	$TICK_WATCHER->start;	2848	$TICK_WATCHER->start;
		2849
		2850	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2851	$sig->send;
		2852	}
		2853	while (my $sig = shift @WAIT_FOR_TICK) {
		2854	$sig->send;
		2855	}
		2856
		2857	_post_tick;
2483	},	2858	},
2484	);	2859	);
2485		2860
		2861	{
2486	IO::AIO::max_poll_time $TICK * 0.2;	2862	BDB::max_poll_time $TICK * 0.1;
2487		2863	$BDB_POLL_WATCHER = Event->io (
2488	Event->io (	2864	reentrant => 0,
2489	fd => IO::AIO::poll_fileno,	2865	fd => BDB::poll_fileno,
2490	poll => 'r',	2866	poll => 'r',
2491	prio => 5,	2867	prio => 0,
2492	data => WF_AUTOCANCEL,
2493	cb => \&IO::AIO::poll_cb,
2494	);
2495
2496	Event->timer (
2497	data => WF_AUTOCANCEL,	2868	data => WF_AUTOCANCEL,
2498	after => 0,	2869	cb => \&BDB::poll_cb,
2499	interval => 10,	2870	);
2500	cb => sub {	2871	BDB::min_parallel 8;
2501	(Coro::unblock_sub {	2872
2502	write_runtime	2873	BDB::set_sync_prepare {
2503	or warn "ERROR: unable to write runtime file: $!";	2874	my $status;
		2875	my $current = $Coro::current;
		2876	(
		2877	sub {
		2878	$status = $!;
		2879	$current->ready; undef $current;
		2880	},
		2881	sub {
		2882	Coro::schedule while defined $current;
		2883	$! = $status;
		2884	},
		2885	)
		2886	};
		2887
		2888	unless ($DB_ENV) {
		2889	$DB_ENV = BDB::db_env_create;
		2890
		2891	cf::sync_job {
		2892	eval {
		2893	BDB::db_env_open
		2894	$DB_ENV,
		2895	$BDBDIR,
		2896	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2897	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2898	0666;
		2899
		2900	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		2901
		2902	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2903	$DB_ENV->set_lk_detect;
		2904	};
		2905
		2906	cf::cleanup "db_env_open(db): $@" if $@;
2504	})->();	2907	};
2505	},	2908	}
2506	);	2909	}
		2910
		2911	{
		2912	IO::AIO::min_parallel 8;
		2913
		2914	undef $Coro::AIO::WATCHER;
		2915	IO::AIO::max_poll_time $TICK * 0.1;
		2916	$AIO_POLL_WATCHER = Event->io (
		2917	reentrant => 0,
		2918	data => WF_AUTOCANCEL,
		2919	fd => IO::AIO::poll_fileno,
		2920	poll => 'r',
		2921	prio => 6,
		2922	cb => \&IO::AIO::poll_cb,
		2923	);
		2924	}
		2925
		2926	# load additional modules
		2927	use cf::pod;
2507		2928
2508	END { cf::emergency_save }	2929	END { cf::emergency_save }
2509		2930
2510	1	2931	1
2511		2932

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