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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.160 by root, Wed Jan 10 22:54:06 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
		55	our %EXT_MAP = (); # pluggable maps
42		56
		57	our $RELOAD; # number of reloads so far
43	our @EVENT;	58	our @EVENT;
44	our $LIBDIR = datadir . "/ext";
45		59
46	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(!)
47	our $TICK_WATCHER;	73	our $TICK_WATCHER;
		74	our $AIO_POLL_WATCHER;
		75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
48	our $NEXT_TICK;	76	our $NEXT_TICK;
49	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;
50		82
51	our %CFG;	83	our %CFG;
52		84
53	our $UPTIME; $UPTIME ||= time;	85	our $UPTIME; $UPTIME ||= time;
54	our $RUNTIME;	86	our $RUNTIME;
55		87
56	our %PLAYER; # all users	88	our %PLAYER; # all users
57	our %MAP; # all maps	89	our %MAP; # all maps
58	our $LINK_MAP; # the special {link} map	90	our $LINK_MAP; # the special {link} map, which is always available
59	our $RANDOM_MAPS = cf::localdir . "/random";
60		91
61	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	92	# used to convert map paths into valid unix filenames by replacing / by ∕
62	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
63		94
64	binmode STDOUT;	95	binmode STDOUT;
65	binmode STDERR;	96	binmode STDERR;
66		97
67	# read virtual server time, if available	98	# read virtual server time, if available
68	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
69	open my $fh, "<", cf::localdir . "/runtime"	100	open my $fh, "<", "$LOCALDIR/runtime"
70	or die "unable to read runtime file: $!";	101	or die "unable to read runtime file: $!";
71	$RUNTIME = <$fh> + 0.;	102	$RUNTIME = <$fh> + 0.;
72	}	103	}
73		104
74	mkdir cf::localdir;	105	mkdir $_
75	mkdir cf::localdir . "/" . cf::playerdir;	106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
76	mkdir cf::localdir . "/" . cf::tmpdir;
77	mkdir cf::localdir . "/" . cf::uniquedir;
78	mkdir $RANDOM_MAPS;
79		107
80	# a special map that is always available
81	our $LINK_MAP;
82	our $EMERGENCY_POSITION;	108	our $EMERGENCY_POSITION;
		109
		110	sub cf::map::normalise;
83		111
84	#############################################################################	112	#############################################################################
85		113
86	=head2 GLOBAL VARIABLES	114	=head2 GLOBAL VARIABLES
87		115
…		…
94	=item $cf::RUNTIME	122	=item $cf::RUNTIME
95		123
96	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
97	every server tick.	125	every server tick.
98		126
99	=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
100		130
101	The perl library directory, where extensions and cf-specific modules can	131	Various directories - "/etc", read-only install directory, perl-library
102	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.
103		135
104	=item $cf::NOW	136	=item $cf::NOW
105		137
106	The time of the last (current) server tick.	138	The time of the last (current) server tick.
107		139
…		…
112	=item %cf::CFG	144	=item %cf::CFG
113		145
114	Configuration for the server, loaded from C</etc/crossfire/config>, or	146	Configuration for the server, loaded from C</etc/crossfire/config>, or
115	from wherever your confdir points to.	147	from wherever your confdir points to.
116		148
117	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	149	=item cf::wait_for_tick, cf::wait_for_tick_begin
118		150
119	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
120	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
121	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.
122	window of cpu time available, or simply to synchronise to the server tick.
123		154
124	=back	155	=back
125		156
126	=cut	157	=cut
127		158
128	BEGIN {	159	BEGIN {
129	*CORE::GLOBAL::warn = sub {	160	*CORE::GLOBAL::warn = sub {
130	my $msg = join "", @_;	161	my $msg = join "", @_;
131	utf8::encode $msg;
132		162
133	$msg .= "\n"	163	$msg .= "\n"
134	unless $msg =~ /\n$/;	164	unless $msg =~ /\n$/;
135		165
		166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		167
		168	utf8::encode $msg;
136	LOG llevError, $msg;	169	LOG llevError, $msg;
137	};	170	};
138	}	171	}
139		172
140	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
186	$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;
187	$d	220	$d
188	} || "[unable to dump $_[0]: '$@']";	221	} || "[unable to dump $_[0]: '$@']";
189	}	222	}
190		223
191	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
192		225
193	=item $ref = cf::from_json $json	226	=item $ref = cf::from_json $json
194		227
195	Converts a JSON string into the corresponding perl data structure.	228	Converts a JSON string into the corresponding perl data structure.
196		229
197	=cut
198
199	sub from_json($) {
200	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
201	JSON::Syck::Load $_[0]
202	}
203
204	=item $json = cf::to_json $ref	230	=item $json = cf::to_json $ref
205		231
206	Converts a perl data structure into its JSON representation.	232	Converts a perl data structure into its JSON representation.
207
208	=cut
209
210	sub to_json($) {
211	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
212	JSON::Syck::Dump $_[0]
213	}
214		233
215	=item cf::lock_wait $string	234	=item cf::lock_wait $string
216		235
217	Wait until the given lock is available. See cf::lock_acquire.	236	Wait until the given lock is available. See cf::lock_acquire.
218		237
…		…
224	returned.	243	returned.
225		244
226	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
227	uses map_find and cf::map::load uses map_load).	246	uses map_find and cf::map::load uses map_load).
228		247
		248	=item $locked = cf::lock_active $string
		249
		250	Return true if the lock is currently active, i.e. somebody has locked it.
		251
229	=cut	252	=cut
230		253
231	our %LOCK;	254	our %LOCK;
232		255
233	sub lock_wait($) {	256	sub lock_wait($) {
…		…
252	# wake up all waiters, to be on the safe side	275	# wake up all waiters, to be on the safe side
253	$_->ready for @{ delete $LOCK{$key} };	276	$_->ready for @{ delete $LOCK{$key} };
254	}	277	}
255	}	278	}
256		279
		280	sub lock_active($) {
		281	my ($key) = @_;
		282
		283	! ! $LOCK{$key}
		284	}
		285
257	sub freeze_mainloop {	286	sub freeze_mainloop {
258	return unless $TICK_WATCHER->is_active;	287	return unless $TICK_WATCHER->is_active;
259		288
260	my $guard = Coro::guard { $TICK_WATCHER->start };	289	my $guard = Coro::guard {
		290	$TICK_WATCHER->start;
		291	};
261	$TICK_WATCHER->stop;	292	$TICK_WATCHER->stop;
262	$guard	293	$guard
263	}	294	}
264		295
265	=item cf::async { BLOCK }	296	=item cf::async { BLOCK }
…		…
336		367
337	$coro	368	$coro
338	}	369	}
339		370
340	sub write_runtime {	371	sub write_runtime {
341	my $runtime = cf::localdir . "/runtime";	372	my $guard = cf::lock_acquire "write_runtime";
		373
		374	my $runtime = "$LOCALDIR/runtime";
342		375
343	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
344	or return;	377	or return;
345		378
		379	my $value = $cf::RUNTIME + 90 + 10;
346	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
347	(aio_write $fh, 0, (length $value), $value, 0) <= 0	383	(aio_write $fh, 0, (length $value), $value, 0) <= 0
348	and return;	384	and return;
349		385
		386	# always fsync - this file is important
350	aio_fsync $fh	387	aio_fsync $fh
351	and return;	388	and return;
352		389
353	close $fh	390	close $fh
354	or return;	391	or return;
…		…
357	and return;	394	and return;
358		395
359	1	396	1
360	}	397	}
361		398
		399	=item cf::datalog type => key => value, ...
		400
		401	Log a datalog packet of the given type with the given key-value pairs.
		402
		403	=cut
		404
		405	sub datalog($@) {
		406	my ($type, %kv) = @_;
		407	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		408	}
		409
362	=back	410	=back
363		411
364	=cut	412	=cut
365
366	#############################################################################
367
368	package cf::path;
369
370	use overload
371	'""' => \&as_string;
372
373	# used to convert map paths into valid unix filenames by repalcing / by ∕
374	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
375
376	sub new {
377	my ($class, $path, $base) = @_;
378
379	$path = $path->as_string if ref $path;
380
381	my $self = bless { }, $class;
382
383	# {... are special paths that are not touched
384	# ?xxx/... are special absolute paths
385	# ?random/... random maps
386	# /! non-realised random map exit
387	# /... normal maps
388	# ~/... per-player maps without a specific player (DO NOT USE)
389	# ~user/... per-player map of a specific user
390
391	$path =~ s/$PATH_SEP/\//go;
392
393	if ($path =~ /^{/) {
394	# fine as it is
395	} elsif ($path =~ s{^\?random/}{}) {
396	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
397	$self->{random} = cf::from_json $data;
398	} else {
399	if ($path =~ s{^~([^/]+)?}{}) {
400	$self->{user_rel} = 1;
401
402	if (defined $1) {
403	$self->{user} = $1;
404	} elsif ($base =~ m{^~([^/]+)/}) {
405	$self->{user} = $1;
406	} else {
407	warn "cannot resolve user-relative path without user <$path,$base>\n";
408	}
409	} elsif ($path =~ /^\//) {
410	# already absolute
411	} else {
412	$base =~ s{[^/]+/?$}{};
413	return $class->new ("$base/$path");
414	}
415
416	for ($path) {
417	redo if s{/\.?/}{/};
418	redo if s{/[^/]+/\.\./}{/};
419	}
420	}
421
422	$self->{path} = $path;
423
424	$self
425	}
426
427	# the name / primary key / in-game path
428	sub as_string {
429	my ($self) = @_;
430
431	$self->{user_rel} ? "~$self->{user}$self->{path}"
432	: $self->{random} ? "?random/$self->{path}"
433	: $self->{path}
434	}
435
436	# the displayed name, this is a one way mapping
437	sub visible_name {
438	my ($self) = @_;
439
440	# if (my $rmp = $self->{random}) {
441	# # todo: be more intelligent about this
442	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
443	# } else {
444	$self->as_string
445	# }
446	}
447
448	# escape the /'s in the path
449	sub _escaped_path {
450	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
451	$path
452	}
453
454	# the original (read-only) location
455	sub load_path {
456	my ($self) = @_;
457
458	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
459	}
460
461	# the temporary/swap location
462	sub save_path {
463	my ($self) = @_;
464
465	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
466	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
467	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
468	}
469
470	# the unique path, might be eq to save_path
471	sub uniq_path {
472	my ($self) = @_;
473
474	$self->{user_rel} || $self->{random}
475	? undef
476	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
477	}
478
479	# return random map parameters, or undef
480	sub random_map_params {
481	my ($self) = @_;
482
483	$self->{random}
484	}
485
486	# this is somewhat ugly, but style maps do need special treatment
487	sub is_style_map {
488	$_[0]{path} =~ m{^/styles/}
489	}
490
491	package cf;
492		413
493	#############################################################################	414	#############################################################################
494		415
495	=head2 ATTACHABLE OBJECTS	416	=head2 ATTACHABLE OBJECTS
496		417
…		…
622	our @CB_TYPE = (); # registry for type (cf-object class) based events	543	our @CB_TYPE = (); # registry for type (cf-object class) based events
623	our @CB_MAP = ();	544	our @CB_MAP = ();
624		545
625	my %attachment;	546	my %attachment;
626		547
		548	sub cf::attachable::thawer_merge {
		549	# simply override everything except _meta
		550	local $_[0]{_meta};
		551	%{$_[0]} = %{$_[1]};
		552	}
		553
627	sub _attach_cb($$$$) {	554	sub _attach_cb($$$$) {
628	my ($registry, $event, $prio, $cb) = @_;	555	my ($registry, $event, $prio, $cb) = @_;
629		556
630	use sort 'stable';	557	use sort 'stable';
631		558
…		…
802	# object support	729	# object support
803		730
804	sub reattach {	731	sub reattach {
805	# basically do the same as instantiate, without calling instantiate	732	# basically do the same as instantiate, without calling instantiate
806	my ($obj) = @_;	733	my ($obj) = @_;
		734
		735	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
807		736
808	my $registry = $obj->registry;	737	my $registry = $obj->registry;
809		738
810	@$registry = ();	739	@$registry = ();
811		740
…		…
858	$filename, length $$rdata, scalar @$objs;	787	$filename, length $$rdata, scalar @$objs;
859		788
860	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
861	chmod SAVE_MODE, $fh;	790	chmod SAVE_MODE, $fh;
862	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
863	aio_fsync $fh;	792	aio_fsync $fh if $cf::USE_FSYNC;
864	close $fh;	793	close $fh;
865		794
866	if (@$objs) {	795	if (@$objs) {
867	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) {
868	chmod SAVE_MODE, $fh;	797	chmod SAVE_MODE, $fh;
869	my $data = Storable::nfreeze { version => 1, objs => $objs };	798	my $data = Storable::nfreeze { version => 1, objs => $objs };
870	aio_write $fh, 0, (length $data), $data, 0;	799	aio_write $fh, 0, (length $data), $data, 0;
871	aio_fsync $fh;	800	aio_fsync $fh if $cf::USE_FSYNC;
872	close $fh;	801	close $fh;
873	aio_rename "$filename.pst~", "$filename.pst";	802	aio_rename "$filename.pst~", "$filename.pst";
874	}	803	}
875	} else {	804	} else {
876	aio_unlink "$filename.pst";	805	aio_unlink "$filename.pst";
…		…
998	"package $pkg; use strict; use utf8;\n"	927	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"	928	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })	929	. (do { local $/; <$fh> })
1001	. "\n};\n1";	930	. "\n};\n1";
1002		931
1003	eval $source	932	unless (eval $source) {
1004	or die $@ ? "$path: $@\n"	933	my $msg = $@ ? "$path: $@\n"
1005	: "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	}
1006		942
1007	push @EXTS, $pkg;	943	push @EXTS, $pkg;
1008	}	944	}
1009		945
1010	sub load_extensions {	946	sub load_extensions {
…		…
1016	} or warn "$ext not loaded: $@";	952	} or warn "$ext not loaded: $@";
1017	}	953	}
1018	}	954	}
1019		955
1020	#############################################################################	956	#############################################################################
1021	# load/save/clean perl data associated with a map
1022
1023	*cf::mapsupport::on_clean = sub {
1024	my ($map) = @_;
1025
1026	my $path = $map->tmpname;
1027	defined $path or return;
1028
1029	unlink "$path.pst";
1030	};
1031
1032	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1033
1034	#############################################################################
1035		957
1036	=head2 CORE EXTENSIONS	958	=head2 CORE EXTENSIONS
1037		959
1038	Functions and methods that extend core crossfire objects.	960	Functions and methods that extend core crossfire objects.
1039		961
…		…
1052	Returns the given player object, loading it if necessary (might block).	974	Returns the given player object, loading it if necessary (might block).
1053		975
1054	=cut	976	=cut
1055		977
1056	sub playerdir($) {	978	sub playerdir($) {
1057	cf::localdir	979	"$PLAYERDIR/"
1058	. "/"
1059	. cf::playerdir
1060	. "/"
1061	. (ref $_[0] ? $_[0]->ob->name : $_[0])	980	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1062	}	981	}
1063		982
1064	sub path($) {	983	sub path($) {
1065	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	984	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1066		985
1067	(playerdir $login) . "/$login.pl"	986	(playerdir $login) . "/playerdata"
1068	}	987	}
1069		988
1070	sub find_active($) {	989	sub find_active($) {
1071	$cf::PLAYER{$_[0]}	990	$cf::PLAYER{$_[0]}
1072	and $cf::PLAYER{$_[0]}->active	991	and $cf::PLAYER{$_[0]}->active
…		…
1075		994
1076	sub exists($) {	995	sub exists($) {
1077	my ($login) = @_;	996	my ($login) = @_;
1078		997
1079	$cf::PLAYER{$login}	998	$cf::PLAYER{$login}
1080	or cf::sync_job { !aio_stat $login }	999	or cf::sync_job { !aio_stat path $login }
1081	}	1000	}
1082		1001
1083	sub find($) {	1002	sub find($) {
1084	return $cf::PLAYER{$_[0]} || do {	1003	return $cf::PLAYER{$_[0]} || do {
1085	my $login = $_[0];	1004	my $login = $_[0];
1086		1005
1087	my $guard = cf::lock_acquire "user_find:$login";	1006	my $guard = cf::lock_acquire "user_find:$login";
1088		1007
1089	$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
1090	my $pl = load_pl path $login	1016	my $pl = load_pl path $login
1091	or return;	1017	or return;
1092	$cf::PLAYER{$login} = $pl	1018	$cf::PLAYER{$login} = $pl
1093	}	1019	}
1094	}	1020	}
…		…
1131		1057
1132	=cut	1058	=cut
1133		1059
1134	sub quit_character {	1060	sub quit_character {
1135	my ($pl) = @_;	1061	my ($pl) = @_;
		1062
		1063	my $name = $pl->ob->name;
1136		1064
1137	$pl->{deny_save} = 1;	1065	$pl->{deny_save} = 1;
1138	$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
1139		1067
1140	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1145	my $path = playerdir $pl;	1073	my $path = playerdir $pl;
1146	my $temp = "$path~$cf::RUNTIME~deleting~";	1074	my $temp = "$path~$cf::RUNTIME~deleting~";
1147	aio_rename $path, $temp;	1075	aio_rename $path, $temp;
1148	delete $cf::PLAYER{$pl->ob->name};	1076	delete $cf::PLAYER{$pl->ob->name};
1149	$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
1150	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;
1151	}	1099	}
1152		1100
1153	=item cf::player::list_logins	1101	=item cf::player::list_logins
1154		1102
1155	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
1156	while and may block, so not sync_job-capable, ever.	1104	while and may block, so not sync_job-capable, ever.
1157		1105
1158	=cut	1106	=cut
1159		1107
1160	sub list_logins {	1108	sub list_logins {
1161	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1109	my $dirs = aio_readdir $PLAYERDIR
1162	or return [];	1110	or return [];
1163		1111
1164	my @logins;	1112	my @logins;
1165		1113
1166	for my $login (@$dirs) {	1114	for my $login (@$dirs) {
…		…
1175	\@logins	1123	\@logins
1176	}	1124	}
1177		1125
1178	=item $player->maps	1126	=item $player->maps
1179		1127
1180	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
1181	player. May block.	1129	player. May block.
1182		1130
1183	=cut	1131	=cut
1184		1132
1185	sub maps($) {	1133	sub maps($) {
1186	my ($pl) = @_;	1134	my ($pl) = @_;
		1135
		1136	$pl = ref $pl ? $pl->ob->name : $pl;
1187		1137
1188	my $files = aio_readdir playerdir $pl	1138	my $files = aio_readdir playerdir $pl
1189	or return;	1139	or return;
1190		1140
1191	my @paths;	1141	my @paths;
…		…
1193	for (@$files) {	1143	for (@$files) {
1194	utf8::decode $_;	1144	utf8::decode $_;
1195	next if /\.(?:pl|pst)$/;	1145	next if /\.(?:pl|pst)$/;
1196	next unless /^$PATH_SEP/o;	1146	next unless /^$PATH_SEP/o;
1197		1147
1198	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1148	push @paths, cf::map::normalise "~$pl/$_";
1199	}	1149	}
1200		1150
1201	\@paths	1151	\@paths
1202	}	1152	}
1203		1153
1204	=item $player->ext_reply ($msgid, $msgtype, %msg)	1154	=item $player->ext_reply ($msgid, %msg)
1205		1155
1206	Sends an ext reply to the player.	1156	Sends an ext reply to the player.
1207		1157
1208	=cut	1158	=cut
1209		1159
1210	sub ext_reply($$$%) {	1160	sub ext_reply($$%) {
1211	my ($self, $id, %msg) = @_;	1161	my ($self, $id, %msg) = @_;
1212		1162
1213	$msg{msgid} = $id;	1163	$msg{msgid} = $id;
1214		1164
1215	$self->send ("ext " . cf::to_json \%msg);	1165	$self->send ("ext " . cf::to_json \%msg);
1216	}	1166	}
1217		1167
1218	package cf;	1168	=item $player->ext_event ($type, %msg)
		1169
		1170	Sends an ext event to the client.
		1171
		1172	=cut
		1173
		1174	sub ext_event($$%) {
		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	}
1219		1208
1220	=back	1209	=back
1221
1222		1210
1223	=head3 cf::map	1211	=head3 cf::map
1224		1212
1225	=over 4	1213	=over 4
1226		1214
…		…
1229	package cf::map;	1217	package cf::map;
1230		1218
1231	use Fcntl;	1219	use Fcntl;
1232	use Coro::AIO;	1220	use Coro::AIO;
1233		1221
		1222	use overload
		1223	'""' => \&as_string,
		1224	fallback => 1;
		1225
1234	our $MAX_RESET = 3600;	1226	our $MAX_RESET = 3600;
1235	our $DEFAULT_RESET = 3000;	1227	our $DEFAULT_RESET = 3000;
1236		1228
1237	sub generate_random_map {	1229	sub generate_random_map {
1238	my ($path, $rmp) = @_;	1230	my ($self, $rmp) = @_;
1239
1240	# mit "rum" bekleckern, nicht	1231	# mit "rum" bekleckern, nicht
1241	cf::map::_create_random_map	1232	$self->_create_random_map (
1242	$path,
1243	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1245	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246	$rmp->{exit_on_final_map},	1236	$rmp->{exit_on_final_map},
1247	$rmp->{xsize}, $rmp->{ysize},	1237	$rmp->{xsize}, $rmp->{ysize},
1248	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1238	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1239	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1240	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251	$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},
1252	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1242	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253	(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"
1254	}	1374	}
1255		1375
1256	# and all this just because we cannot iterate over	1376	# and all this just because we cannot iterate over
1257	# all maps in C++...	1377	# all maps in C++...
1258	sub change_all_map_light {	1378	sub change_all_map_light {
…		…
1260		1380
1261	$_->change_map_light ($change)	1381	$_->change_map_light ($change)
1262	for grep $_->outdoor, values %cf::MAP;	1382	for grep $_->outdoor, values %cf::MAP;
1263	}	1383	}
1264		1384
		1385	sub unlink_save {
		1386	my ($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
1265	sub try_load_header($) {	1393	sub load_header_from($) {
1266	my ($path) = @_;	1394	my ($self, $path) = @_;
1267		1395
1268	utf8::encode $path;	1396	utf8::encode $path;
1269	aio_open $path, O_RDONLY, 0	1397	#aio_open $path, O_RDONLY, 0
		1398	# or return;
		1399
		1400	$self->_load_header ($path)
1270	or return;	1401	or return;
1271		1402
1272	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
1273	or return;	1446	or return;
		1447	$self->prepare_orig;
		1448	}
1274		1449
1275	# for better error messages only, will be overwritten	1450	$self->default_region (cf::region::find_by_path $self->{path})
1276	$map->path ($path);	1451	unless $self->default_region;
1277		1452
1278	$map->load_header ($path)	1453	1
1279	or return;
1280
1281	$map->{load_path} = $path;
1282
1283	$map
1284	}	1454	}
1285		1455
1286	sub find;	1456	sub find;
1287	sub find {	1457	sub find {
1288	my ($path, $origin) = @_;	1458	my ($path, $origin) = @_;
1289		1459
1290	#warn "find<$path,$origin>\n";#d#
1291
1292	$path = new cf::path $path, $origin && $origin->path;	1460	$path = normalise $path, $origin && $origin->path;
1293	my $key = $path->as_string;
1294		1461
1295	cf::lock_wait "map_find:$key";	1462	cf::lock_wait "map_find:$path";
1296		1463
1297	$cf::MAP{$key} || do {	1464	$cf::MAP{$path} || do {
1298	my $guard = cf::lock_acquire "map_find:$key";	1465	my $guard = cf::lock_acquire "map_find:$path";
1299		1466	my $map = new_from_path cf::map $path
1300	# do it the slow way
1301	my $map = try_load_header $path->save_path;
1302
1303	Coro::cede;
1304
1305	if ($map) {
1306	$map->last_access ((delete $map->{last_access})
1307	|| $cf::RUNTIME); #d#
1308	# safety
1309	$map->{instantiate_time} = $cf::RUNTIME
1310	if $map->{instantiate_time} > $cf::RUNTIME;
1311	} else {
1312	if (my $rmp = $path->random_map_params) {
1313	$map = generate_random_map $key, $rmp;
1314	} else {
1315	$map = try_load_header $path->load_path;
1316	}
1317
1318	$map or return;	1467	or return;
1319		1468
1320	$map->{load_original} = 1;
1321	$map->{instantiate_time} = $cf::RUNTIME;
1322	$map->last_access ($cf::RUNTIME);
1323	$map->instantiate;
1324
1325	# per-player maps become, after loading, normal maps
1326	$map->per_player (0) if $path->{user_rel};
1327	}
1328
1329	$map->path ($key);
1330	$map->{path} = $path;
1331	$map->{last_save} = $cf::RUNTIME;	1469	$map->{last_save} = $cf::RUNTIME;
1332		1470
1333	Coro::cede;	1471	$map->load_header
		1472	or return;
1334		1473
1335	if ($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;
1336	$map->reset;	1477	$map->reset;
1337	undef $guard;	1478	undef $guard;
1338	$map = find $path	1479	return find $path;
1339	or return;
1340	}	1480	}
1341		1481
1342	$cf::MAP{$key} = $map	1482	$cf::MAP{$path} = $map
1343	}	1483	}
1344	}	1484	}
		1485
		1486	sub pre_load { }
		1487	sub post_load { }
1345		1488
1346	sub load {	1489	sub load {
1347	my ($self) = @_;	1490	my ($self) = @_;
1348		1491
		1492	local $self->{deny_reset} = 1; # loading can take a long time
		1493
1349	my $path = $self->{path};	1494	my $path = $self->{path};
		1495
		1496	{
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1497	my $guard = cf::lock_acquire "map_load:$path";
1351		1498
1352	return if $self->in_memory != cf::MAP_SWAPPED;	1499	return if $self->in_memory != cf::MAP_SWAPPED;
1353		1500
1354	$self->in_memory (cf::MAP_LOADING);	1501	$self->in_memory (cf::MAP_LOADING);
1355		1502
1356	$self->alloc;	1503	$self->alloc;
		1504
		1505	$self->pre_load;
		1506	Coro::cede;
		1507
1357	$self->load_objects ($self->{load_path}, 1)	1508	$self->_load_objects ($self->{load_path}, 1)
1358	or return;	1509	or return;
1359		1510
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1361	if delete $self->{load_original};	1512	if delete $self->{load_original};
1362		1513
1363	if (my $uniq = $path->uniq_path) {	1514	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	1515	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	1516	if (aio_open $uniq, O_RDONLY, 0) {
1366	$self->clear_unique_items;	1517	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	1518	$self->_load_objects ($uniq, 0);
1368	}	1519	}
1369	}	1520	}
1370		1521
1371	Coro::cede;	1522	Coro::cede;
1372
1373	# now do the right thing for maps	1523	# now do the right thing for maps
1374	$self->link_multipart_objects;	1524	$self->link_multipart_objects;
1375
1376	if ($self->{path}->is_style_map) {
1377	$self->{deny_save} = 1;
1378	$self->{deny_reset} = 1;
1379	} else {
1380	$self->fix_auto_apply;
1381	$self->decay_objects;
1382	$self->update_buttons;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	1525	$self->difficulty ($self->estimate_difficulty)
1385	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;
1386	$self->activate;	1536	$self->activate;
1387	}	1537	}
1388		1538
1389	Coro::cede;
1390
1391	$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	$self
1392	}	1554	}
1393		1555
1394	# find and load all maps in the 3x3 area around a map	1556	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	1557	sub load_diag {
1396	my ($map) = @_;	1558	my ($map) = @_;
…		…
1426		1588
1427	cf::sync_job { $map->load };	1589	cf::sync_job { $map->load };
1428	}	1590	}
1429		1591
1430	our %MAP_PREFETCH;	1592	our %MAP_PREFETCH;
1431	our $MAP_PREFETCHER = Coro::async {	1593	our $MAP_PREFETCHER = undef;
1432	while () {
1433	while (%MAP_PREFETCH) {
1434	my $key = each %MAP_PREFETCH
1435	or next;
1436	my $path = delete $MAP_PREFETCH{$key};
1437
1438	my $map = find $path
1439	or next;
1440	$map->load;
1441	}
1442	Coro::schedule;
1443	}
1444	};
1445		1594
1446	sub find_async {	1595	sub find_async {
1447	my ($path, $origin) = @_;	1596	my ($path, $origin) = @_;
1448		1597
1449	$path = new cf::path $path, $origin && $origin->path;	1598	$path = normalise $path, $origin && $origin->{path};
1450	my $key = $path->as_string;
1451		1599
1452	if (my $map = $cf::MAP{$key}) {	1600	if (my $map = $cf::MAP{$path}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1601	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}	1602	}
1455		1603
1456	$MAP_PREFETCH{$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	};
1457	$MAP_PREFETCHER->ready;	1617	$MAP_PREFETCHER->prio (6);
1458		1618
1459	()	1619	()
1460	}	1620	}
1461		1621
1462	sub save {	1622	sub save {
…		…
1466		1626
1467	$self->{last_save} = $cf::RUNTIME;	1627	$self->{last_save} = $cf::RUNTIME;
1468		1628
1469	return unless $self->dirty;	1629	return unless $self->dirty;
1470		1630
1471	my $save = $self->{path}->save_path; utf8::encode $save;	1631	my $save = $self->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1632	my $uniq = $self->uniq_path; utf8::encode $uniq;
1473		1633
1474	$self->{load_path} = $save;	1634	$self->{load_path} = $save;
1475		1635
1476	return if $self->{deny_save};	1636	return if $self->{deny_save};
1477		1637
…		…
1480	cf::async {	1640	cf::async {
1481	$_->contr->save for $self->players;	1641	$_->contr->save for $self->players;
1482	};	1642	};
1483		1643
1484	if ($uniq) {	1644	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1645	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);	1646	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {	1647	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1648	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}	1649	}
1490	}	1650	}
1491		1651
1492	sub swap_out {	1652	sub swap_out {
1493	my ($self) = @_;	1653	my ($self) = @_;
…		…
1507		1667
1508	sub reset_at {	1668	sub reset_at {
1509	my ($self) = @_;	1669	my ($self) = @_;
1510		1670
1511	# TODO: safety, remove and allow resettable per-player maps	1671	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};	1672	return 1e99 if $self->isa ("ext::map_per_player");#d#
1513	return 1e99 if $self->{deny_reset};	1673	return 1e99 if $self->{deny_reset};
1514		1674
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1675	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1676	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		1677
…		…
1522	my ($self) = @_;	1682	my ($self) = @_;
1523		1683
1524	$self->reset_at <= $cf::RUNTIME	1684	$self->reset_at <= $cf::RUNTIME
1525	}	1685	}
1526		1686
1527	sub unlink_save {
1528	my ($self) = @_;
1529
1530	utf8::encode (my $save = $self->{path}->save_path);
1531	aioreq_pri 3; IO::AIO::aio_unlink $save;
1532	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1533	}
1534
1535	sub rename {
1536	my ($self, $new_path) = @_;
1537
1538	$self->unlink_save;
1539
1540	delete $cf::MAP{$self->path};
1541	$self->{path} = new cf::path $new_path;
1542	$self->path ($self->{path}->as_string);
1543	$cf::MAP{$self->path} = $self;
1544
1545	$self->save;
1546	}
1547
1548	sub reset {	1687	sub reset {
1549	my ($self) = @_;	1688	my ($self) = @_;
1550		1689
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	1690	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		1691
1553	return if $self->players;	1692	return if $self->players;
1554	return if $self->{path}{user_rel};#d#	1693	return if $self->isa ("ext::map_per_player");#d#
1555		1694
1556	warn "resetting map ", $self->path;#d#	1695	warn "resetting map ", $self->path;#d#
1557		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
1558	delete $cf::MAP{$self->path};	1707	delete $cf::MAP{$self->path};
		1708
		1709	$self->clear;
1559		1710
1560	$_->clear_links_to ($self) for values %cf::MAP;	1711	$_->clear_links_to ($self) for values %cf::MAP;
1561		1712
1562	$self->unlink_save;	1713	$self->unlink_save;
1563	$self->destroy;	1714	$self->destroy;
…		…
1566	my $nuke_counter = "aaaa";	1717	my $nuke_counter = "aaaa";
1567		1718
1568	sub nuke {	1719	sub nuke {
1569	my ($self) = @_;	1720	my ($self) = @_;
1570		1721
		1722	delete $cf::MAP{$self->path};
		1723
		1724	$self->unlink_save;
		1725
		1726	bless $self, "cf::map";
		1727	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	1728	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	1729	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	1730	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1731
		1732	$cf::MAP{$self->path} = $self;
		1733
1574	$self->reset; # polite request, might not happen	1734	$self->reset; # polite request, might not happen
1575	}	1735	}
1576		1736
1577	sub customise_for {
1578	my ($map, $ob) = @_;
1579
1580	if ($map->per_player) {
1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1582	}
1583
1584	$map
1585	}
1586
1587	=item cf::map::unique_maps	1737	=item cf::map::unique_maps
1588		1738
1589	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
1590	instantiated unique items. May block.	1740	instantiated unique items. May block.
1591		1741
1592	=cut	1742	=cut
1593		1743
1594	sub unique_maps() {	1744	sub unique_maps() {
1595	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1745	my $files = aio_readdir $UNIQUEDIR
1596	or return;	1746	or return;
1597		1747
1598	my @paths;	1748	my @paths;
1599		1749
1600	for (@$files) {	1750	for (@$files) {
1601	utf8::decode $_;	1751	utf8::decode $_;
1602	next if /\.pst$/;	1752	next if /\.pst$/;
1603	next unless /^$PATH_SEP/o;	1753	next unless /^$PATH_SEP/o;
1604		1754
1605	push @paths, new cf::path $_;	1755	push @paths, cf::map::normalise $_;
1606	}	1756	}
1607		1757
1608	\@paths	1758	\@paths
1609	}	1759	}
1610		1760
…		…
1685		1835
1686	=item $player_object->enter_link	1836	=item $player_object->enter_link
1687		1837
1688	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}>).
1689		1839
1690	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
1691	I<MUST> call C<leave_link> as soon as possible, though.	1841	I<MUST> call C<leave_link> as soon as possible, though.
1692		1842
		1843	Will never block.
		1844
1693	=item $player_object->leave_link ($map, $x, $y)	1845	=item $player_object->leave_link ($map, $x, $y)
1694		1846
1695	Moves the player out of the specila link map onto the given map. If the	1847	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	1848	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	1849	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	1850	fails, to the emergency map position.
1699		1851
1700	Might block.	1852	Might block.
1701		1853
1702	=cut	1854	=cut
		1855
		1856	sub link_map {
		1857	unless ($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	$LINK_MAP
		1864	}
1703		1865
1704	sub cf::object::player::enter_link {	1866	sub cf::object::player::enter_link {
1705	my ($self) = @_;	1867	my ($self) = @_;
1706		1868
1707	$self->deactivate_recursive;	1869	$self->deactivate_recursive;
1708		1870
1709	return if $self->map == $LINK_MAP;	1871	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		1872
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1873	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	1874	if $self->map;
1713		1875
1714	$self->enter_map ($LINK_MAP, 20, 20);	1876	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	1877	}
1716		1878
1717	sub cf::object::player::leave_link {	1879	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	1880	my ($self, $map, $x, $y) = @_;
1719		1881
…		…
1741	$map->load;	1903	$map->load;
1742	$map->load_diag;	1904	$map->load_diag;
1743		1905
1744	return unless $self->contr->active;	1906	return unless $self->contr->active;
1745	$self->activate_recursive;	1907	$self->activate_recursive;
		1908
		1909	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	1910	$self->enter_map ($map, $x, $y);
1747	}	1911	}
1748		1912
1749	cf::player->attach (	1913	cf::player->attach (
1750	on_logout => sub {	1914	on_logout => sub {
…		…
1763	# try to abort aborted map switching on player login :)	1927	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes	1928	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {	1929	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;	1930	$pl->ob->enter_link;
1767	(async {	1931	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,	1932	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "	1933	"There was an internal problem at your last logout, "
1772	. "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.",
1773	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
1774	Coro::Timer::sleep 1;	1938	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;	1939	$pl->ob->leave_link;
1776	})->prio (2);	1940	})->prio (2);
1777	}	1941	}
1778	},	1942	},
…		…
1783	=cut	1947	=cut
1784		1948
1785	sub cf::object::player::goto {	1949	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	1950	my ($self, $path, $x, $y) = @_;
1787		1951
1788	$path = new cf::path $path;
1789
1790	$self->enter_link;	1952	$self->enter_link;
1791		1953
1792	(async {	1954	(async {
		1955	my $map = eval {
1793	my $map = cf::map::find $path->as_string;	1956	my $map = cf::map::find $path;
1794	$map = $map->customise_for ($self) if $map;	1957	$map = $map->customise_for ($self) if $map;
1795		1958	$map
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	1959	} or
1797	# if $map;
1798
1799	$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);
1800		1961
1801	$self->leave_link ($map, $x, $y);	1962	$self->leave_link ($map, $x, $y);
1802	})->prio (1);	1963	})->prio (1);
1803	}	1964	}
1804		1965
…		…
1808		1969
1809	sub parse_random_map_params {	1970	sub parse_random_map_params {
1810	my ($spec) = @_;	1971	my ($spec) = @_;
1811		1972
1812	my $rmp = { # defaults	1973	my $rmp = { # defaults
1813	xsize => 10,	1974	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	1975	ysize => (cf::rndm 15, 40),
		1976	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1977	#layout => string,
1815	};	1978	};
1816		1979
1817	for (split /\n/, $spec) {	1980	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	1981	my ($k, $v) = split /\s+/, $_, 2;
1819		1982
…		…
1823	$rmp	1986	$rmp
1824	}	1987	}
1825		1988
1826	sub prepare_random_map {	1989	sub prepare_random_map {
1827	my ($exit) = @_;	1990	my ($exit) = @_;
		1991
		1992	my $guard = cf::lock_acquire "exit_prepare:$exit";
1828		1993
1829	# all this does is basically replace the /! path by	1994	# all this does is basically replace the /! path by
1830	# a new random map path (?random/...) with a seed	1995	# a new random map path (?random/...) with a seed
1831	# that depends on the exit object	1996	# that depends on the exit object
1832		1997
1833	my $rmp = parse_random_map_params $exit->msg;	1998	my $rmp = parse_random_map_params $exit->msg;
1834		1999
1835	if ($exit->map) {	2000	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	2001	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	2002	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	2003	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	2004	$rmp->{origin_y} = $exit->y;
1840	}	2005	}
1841		2006
1842	$rmp->{random_seed} ||= $exit->random_seed;	2007	$rmp->{random_seed} ||= $exit->random_seed;
1843		2008
1844	my $data = cf::to_json $rmp;	2009	my $data = cf::to_json $rmp;
1845	my $md5 = Digest::MD5::md5_hex $data;	2010	my $md5 = Digest::MD5::md5_hex $data;
		2011	my $meta = "$RANDOMDIR/$md5.meta";
1846		2012
1847	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) {
1848	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;
1849		2017
1850	$exit->slaying ("?random/$md5");	2018	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	2019	$exit->msg (undef);
1852	}	2020	}
1853	}	2021	}
1854		2022
1855	sub cf::object::player::enter_exit {	2023	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	2024	my ($self, $exit) = @_;
1857		2025
1858	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;
1859		2038
1860	$self->enter_link;	2039	$self->enter_link;
1861		2040
1862	(async {	2041	(async {
1863	$self->deactivate_recursive; # just to be sure	2042	$self->deactivate_recursive; # just to be sure
1864	unless (eval {	2043	unless (eval {
1865	prepare_random_map $exit	2044	$self->goto ($slaying, $hp, $sp);
1866	if $exit->slaying eq "/!";
1867
1868	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1869	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1870		2045
1871	1;	2046	1;
1872	}) {	2047	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	2048	$self->message ("Something went wrong deep within the crossfire server. "
1874	. "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. "
1875	. "Please report this to the dungeon master!",	2050	. "Please report this to the dungeon master!",
1876	cf::NDI_UNIQUE | cf::NDI_RED);	2051	cf::NDI_UNIQUE | cf::NDI_RED);
1877		2052
1878	warn "ERROR in enter_exit: $@";	2053	warn "ERROR in enter_exit: $@";
1879	$self->leave_link;	2054	$self->leave_link;
1880	}	2055	}
1881	})->prio (1);	2056	})->prio (1);
…		…
1894		2069
1895	sub cf::client::send_drawinfo {	2070	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2071	my ($self, $text, $flags) = @_;
1897		2072
1898	utf8::encode $text;	2073	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2074	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2075	}
1901		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	}
1902		2089
1903	=item $success = $client->query ($flags, "text", \&cb)	2090	=item $success = $client->query ($flags, "text", \&cb)
1904		2091
1905	Queues a query to the client, calling the given callback with	2092	Queues a query to the client, calling the given callback with
1906	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>,
…		…
1935	# get handled first	2122	# get handled first
1936	my $queue = delete $ns->{query_queue}	2123	my $queue = delete $ns->{query_queue}
1937	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
1938		2125
1939	(shift @$queue)->[1]->($msg);	2126	(shift @$queue)->[1]->($msg);
		2127	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		2128
1941	push @{ $ns->{query_queue} }, @$queue;	2129	push @{ $ns->{query_queue} }, @$queue;
1942		2130
1943	if (@{ $ns->{query_queue} } == @$queue) {	2131	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	2132	if (@$queue) {
…		…
2002		2190
2003	# here we export the classes and methods available to script code	2191	# here we export the classes and methods available to script code
2004		2192
2005	=pod	2193	=pod
2006		2194
2007	The following fucntions and emthods are available within a safe environment:	2195	The following functions and methods are available within a safe environment:
2008		2196
2009	cf::object contr pay_amount pay_player map	2197	cf::object contr pay_amount pay_player map
2010	cf::object::player player	2198	cf::object::player player
2011	cf::player peaceful	2199	cf::player peaceful
2012	cf::map trigger	2200	cf::map trigger
…		…
2097	#############################################################################	2285	#############################################################################
2098		2286
2099	=head2 EXTENSION DATABASE SUPPORT	2287	=head2 EXTENSION DATABASE SUPPORT
2100		2288
2101	Crossfire maintains a very simple database for extension use. It can	2289	Crossfire maintains a very simple database for extension use. It can
2102	currently store anything that can be serialised using Storable, which	2290	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2103	excludes objects.	2291	convert to/from binary).
2104		2292
2105	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
2106	using it, it should be unique.	2294	using it, it should be unique.
2107		2295
2108	=over 4	2296	=over 4
2109		2297
2110	=item $hashref = cf::db_get $family
2111
2112	Return a hashref for use by the extension C<$family>, which can be
2113	modified. After modifications, you have to call C<cf::db_dirty> or
2114	C<cf::db_sync>.
2115
2116	=item $value = cf::db_get $family => $key	2298	=item $value = cf::db_get $family => $key
2117		2299
2118	Returns a single value from the database	2300	Returns a single value from the database.
2119
2120	=item cf::db_put $family => $hashref
2121
2122	Stores the given family hashref into the database. Updates are delayed, if
2123	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2124		2301
2125	=item cf::db_put $family => $key => $value	2302	=item cf::db_put $family => $key => $value
2126		2303
2127	Stores the given C<$value> in the family hash. Updates are delayed, if you	2304	Stores the given C<$value> in the family.
2128	want the data to be synced to disk immediately, use C<cf::db_sync>.
2129
2130	=item cf::db_dirty
2131
2132	Marks the database as dirty, to be updated at a later time.
2133
2134	=item cf::db_sync
2135
2136	Immediately write the database to disk I<if it is dirty>.
2137		2305
2138	=cut	2306	=cut
2139		2307
2140	our $DB;	2308	our $DB;
2141		2309
2142	{	2310	sub db_init {
2143	my $path = cf::localdir . "/database.pst";	2311	unless ($DB) {
		2312	$DB = BDB::db_create $DB_ENV;
2144		2313
2145	sub db_load() {	2314	cf::sync_job {
2146	$DB = stat $path ? Storable::retrieve $path : { };	2315	eval {
2147	}	2316	$DB->set_flags (BDB::CHKSUM);
2148		2317
2149	my $pid;	2318	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2150		2319	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2151	sub db_save() {	2320	cf::cleanup "db_open(db): $!" if $!;
2152	waitpid $pid, 0 if $pid;	2321	};
2153	if (0 == ($pid = fork)) {	2322	cf::cleanup "db_open(db): $@" if $@;
2154	$DB->{_meta}{version} = 1;
2155	Storable::nstore $DB, "$path~";
2156	rename "$path~", $path;
2157	cf::_exit 0 if defined $pid;
2158	}	2323	};
2159	}
2160
2161	my $dirty;
2162
2163	sub db_sync() {
2164	db_save if $dirty;
2165	undef $dirty;
2166	}
2167
2168	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2169	db_sync;
2170	});	2324	}
		2325	}
2171		2326
2172	sub db_dirty() {
2173	$dirty = 1;
2174	$idle->start;
2175	}
2176
2177	sub db_get($;$) {	2327	sub db_get($$) {
2178	@_ >= 2	2328	my $key = "$_[0]/$_[1]";
2179	? $DB->{$_[0]}{$_[1]}
2180	: ($DB->{$_[0]} ||= { })
2181	}
2182		2329
		2330	cf::sync_job {
		2331	BDB::db_get $DB, undef, $key, my $data;
		2332
		2333	$! ? ()
		2334	: $data
		2335	}
		2336	}
		2337
2183	sub db_put($$;$) {	2338	sub db_put($$$) {
2184	if (@_ >= 3) {	2339	BDB::dbreq_pri 4;
2185	$DB->{$_[0]}{$_[1]} = $_[2];	2340	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2186	} else {	2341	}
2187	$DB->{$_[0]} = $_[1];
2188	}
2189	db_dirty;
2190	}
2191		2342
2192	cf::global->attach (	2343	=item cf::cache $id => [$paths...], $processversion => $process
2193	prio => 10000,	2344
2194	on_cleanup => sub {	2345	Generic caching function that returns the value of the resource $id,
2195	db_sync;	2346	caching and regenerating as required.
		2347
		2348	This function can block.
		2349
		2350	=cut
		2351
		2352	sub cache {
		2353	my ($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 "$src->[$_]: $!";
2196	},	2375	}
2197	);	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"
2198	}	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 $@;
		2452	_exit 0;
		2453	}
		2454	}
		2455
		2456
2199		2457
2200	#############################################################################	2458	#############################################################################
2201	# the server's main()	2459	# the server's init and main functions
		2460
		2461	sub load_facedata($) {
		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	}
2202		2547
2203	sub cfg_load {	2548	sub cfg_load {
2204	open my $fh, "<:utf8", cf::confdir . "/config"	2549	open my $fh, "<:utf8", "$CONFDIR/config"
2205	or return;	2550	or return;
2206		2551
2207	local $/;	2552	local $/;
2208	*CFG = YAML::Syck::Load <$fh>;	2553	*CFG = YAML::Syck::Load <$fh>;
2209		2554
…		…
2223		2568
2224	sub main {	2569	sub main {
2225	# we must not ever block the main coroutine	2570	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	2571	local $Coro::idle = sub {
2227	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 {
2228	async { Event::one_event };	2574	Event::one_event;
		2575	})->prio (Coro::PRIO_MAX);
2229	};	2576	};
2230		2577
2231	cfg_load;	2578	cfg_load;
2232	db_load;	2579	db_init;
2233	load_extensions;	2580	load_extensions;
		2581
		2582	$TICK_WATCHER->start;
2234	Event::loop;	2583	Event::loop;
2235	}	2584	}
2236		2585
2237	#############################################################################	2586	#############################################################################
2238	# initialisation and cleanup	2587	# initialisation and cleanup
2239		2588
2240	# install some emergency cleanup handlers	2589	# install some emergency cleanup handlers
2241	BEGIN {	2590	BEGIN {
2242	for my $signal (qw(INT HUP TERM)) {	2591	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	2592	Event->signal (
		2593	reentrant => 0,
2244	data => WF_AUTOCANCEL,	2594	data => WF_AUTOCANCEL,
2245	signal => $signal,	2595	signal => $signal,
		2596	prio => 0,
2246	cb => sub {	2597	cb => sub {
2247	cf::cleanup "SIG$signal";	2598	cf::cleanup "SIG$signal";
2248	},	2599	},
2249	);	2600	);
2250	}	2601	}
2251	}	2602	}
…		…
2256	warn "enter emergency perl save\n";	2607	warn "enter emergency perl save\n";
2257		2608
2258	cf::sync_job {	2609	cf::sync_job {
2259	# use a peculiar iteration method to avoid tripping on perl	2610	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	2611	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	2612	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	2613	warn "begin emergency player save\n";
2263	for my $login (keys %cf::PLAYER) {	2614	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	2615	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	2616	$pl->valid or next;
2266	$pl->save;	2617	$pl->save;
…		…
2272	my $map = $cf::MAP{$path} or next;	2623	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	2624	$map->valid or next;
2274	$map->save;	2625	$map->save;
2275	}	2626	}
2276	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 $DB_ENV;
		2631	warn "end emergency database checkpoint\n";
2277	};	2632	};
2278		2633
2279	warn "leave emergency perl save\n";	2634	warn "leave emergency perl save\n";
2280	}	2635	}
2281		2636
		2637	sub post_cleanup {
		2638	my ($make_core) = @_;
		2639
		2640	warn Carp::longmess "post_cleanup backtrace"
		2641	if $make_core;
		2642	}
		2643
2282	sub reload() {	2644	sub do_reload_perl() {
2283	# can/must only be called in main	2645	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	2646	if ($Coro::current != $Coro::main) {
2285	warn "can only reload from main coroutine\n";	2647	warn "can only reload from main coroutine";
2286	return;	2648	return;
2287	}	2649	}
2288		2650
2289	warn "reloading...";	2651	warn "reloading...";
2290		2652
2291	warn "freezing server";	2653	warn "entering sync_job";
2292	my $guard = freeze_mainloop;	2654
		2655	cf::sync_job {
		2656	cf::write_runtime; # external watchdog should not bark
2293	cf::emergency_save;	2657	cf::emergency_save;
		2658	cf::write_runtime; # external watchdog should not bark
2294		2659
2295	warn "sync database to disk";	2660	warn "syncing database to disk";
2296	cf::db_sync;	2661	BDB::db_env_txn_checkpoint $DB_ENV;
2297	IO::AIO::flush;
2298		2662
2299	eval {
2300	# 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
2301		2664
2302	warn "cancel all watchers";	2665	warn "cancelling all WF_AUTOCANCEL watchers";
2303	for (Event::all_watchers) {	2666	for (Event::all_watchers) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;	2667	$_->cancel if $_->data & WF_AUTOCANCEL;
2305	}	2668	}
2306		2669
		2670	warn "flushing outstanding aio requests";
		2671	for (;;) {
		2672	BDB::flush;
		2673	IO::AIO::flush;
		2674	Coro::cede;
		2675	last unless IO::AIO::nreqs || BDB::nreqs;
		2676	warn "iterate...";
		2677	}
		2678
		2679	++$RELOAD;
		2680
2307	warn "cancel all extension coros";	2681	warn "cancelling all extension coros";
2308	$_->cancel for values %EXT_CORO;	2682	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();	2683	%EXT_CORO = ();
2310		2684
2311	warn "remove commands";	2685	warn "removing commands";
2312	%COMMAND = ();	2686	%COMMAND = ();
2313		2687
2314	warn "remove ext commands";	2688	warn "removing ext commands";
2315	%EXTCMD = ();	2689	%EXTCMD = ();
2316		2690
2317	warn "unload/nuke all extensions";	2691	warn "unloading/nuking all extensions";
2318	for my $pkg (@EXTS) {	2692	for my $pkg (@EXTS) {
2319	warn "... unloading $pkg";	2693	warn "... unloading $pkg";
2320		2694
2321	if (my $cb = $pkg->can ("unload")) {	2695	if (my $cb = $pkg->can ("unload")) {
2322	eval {	2696	eval {
…		…
2327		2701
2328	warn "... nuking $pkg";	2702	warn "... nuking $pkg";
2329	Symbol::delete_package $pkg;	2703	Symbol::delete_package $pkg;
2330	}	2704	}
2331		2705
2332	warn "unload all perl modules loaded from $LIBDIR";	2706	warn "unloading all perl modules loaded from $LIBDIR";
2333	while (my ($k, $v) = each %INC) {	2707	while (my ($k, $v) = each %INC) {
2334	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2708	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2335		2709
2336	warn "removing <$k>";	2710	warn "... unloading $k";
2337	delete $INC{$k};	2711	delete $INC{$k};
2338		2712
2339	$k =~ s/\.pm$//;	2713	$k =~ s/\.pm$//;
2340	$k =~ s/\//::/g;	2714	$k =~ s/\//::/g;
2341		2715
…		…
2344	}	2718	}
2345		2719
2346	Symbol::delete_package $k;	2720	Symbol::delete_package $k;
2347	}	2721	}
2348		2722
2349	warn "get rid of safe::, as good as possible";	2723	warn "getting rid of safe::, as good as possible";
2350	Symbol::delete_package "safe::$_"	2724	Symbol::delete_package "safe::$_"
2351	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);
2352		2726
2353	warn "unload cf.pm \"a bit\"";	2727	warn "unloading cf.pm \"a bit\"";
2354	delete $INC{"cf.pm"};	2728	delete $INC{"cf.pm"};
		2729	delete $INC{"cf/pod.pm"};
2355		2730
2356	# don't, removes xs symbols, too,	2731	# don't, removes xs symbols, too,
2357	# and global variables created in xs	2732	# and global variables created in xs
2358	#Symbol::delete_package __PACKAGE__;	2733	#Symbol::delete_package __PACKAGE__;
2359		2734
		2735	warn "unload completed, starting to reload now";
		2736
2360	warn "reloading cf.pm";	2737	warn "reloading cf.pm";
2361	require cf;	2738	require cf;
2362	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2739	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2363		2740
2364	warn "load config and database again";	2741	warn "loading config and database again";
2365	cf::cfg_load;	2742	cf::cfg_load;
2366	cf::db_load;
2367		2743
2368	warn "load extensions";	2744	warn "loading extensions";
2369	cf::load_extensions;	2745	cf::load_extensions;
2370		2746
2371	warn "reattach attachments to objects/players";	2747	warn "reattaching attachments to objects/players";
2372	_global_reattach;	2748	_global_reattach; # objects, sockets
2373	warn "reattach attachments to maps";	2749	warn "reattaching attachments to maps";
2374	reattach $_ for values %MAP;	2750	reattach $_ for values %MAP;
2375	};	2751	warn "reattaching attachments to players";
		2752	reattach $_ for values %PLAYER;
2376		2753
2377	if ($@) {	2754	warn "leaving sync_job";
		2755
		2756	1
		2757	} or do {
2378	warn $@;	2758	warn $@;
2379	warn "error while reloading, exiting.";	2759	warn "error while reloading, exiting.";
2380	exit 1;	2760	exit 1;
2381	}	2761	};
2382		2762
2383	warn "reloaded";	2763	warn "reloaded";
2384	};	2764	};
2385		2765
2386	#############################################################################	2766	our $RELOAD_WATCHER; # used only during reload
2387		2767
2388	unless ($LINK_MAP) {	2768	sub reload_perl() {
2389	$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.
2390		2771
2391	$LINK_MAP->width (41);	2772	$RELOAD_WATCHER ||= Event->timer (
2392	$LINK_MAP->height (41);	2773	reentrant => 0,
2393	$LINK_MAP->alloc;
2394	$LINK_MAP->path ("{link}");
2395	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2396	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2397
2398	# dirty hack because... archetypes are not yet loaded
2399	Event->timer (
2400	after => 10,	2774	after => 0,
		2775	data => WF_AUTOCANCEL,
2401	cb => sub {	2776	cb => sub {
2402	$_[0]->w->cancel;	2777	do_reload_perl;
2403		2778	undef $RELOAD_WATCHER;
2404	# provide some exits "home"
2405	my $exit = cf::object::new "exit";
2406
2407	$exit->slaying ($EMERGENCY_POSITION->[0]);
2408	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2409	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2410
2411	$LINK_MAP->insert ($exit->clone, 19, 19);
2412	$LINK_MAP->insert ($exit->clone, 19, 20);
2413	$LINK_MAP->insert ($exit->clone, 19, 21);
2414	$LINK_MAP->insert ($exit->clone, 20, 19);
2415	$LINK_MAP->insert ($exit->clone, 20, 21);
2416	$LINK_MAP->insert ($exit->clone, 21, 19);
2417	$LINK_MAP->insert ($exit->clone, 21, 20);
2418	$LINK_MAP->insert ($exit->clone, 21, 21);
2419
2420	$exit->destroy;
2421	});	2779	},
2422		2780	);
2423	$LINK_MAP->{deny_save} = 1;
2424	$LINK_MAP->{deny_reset} = 1;
2425
2426	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2427	}	2781	}
2428		2782
2429	register_command "reload" => sub {	2783	register_command "reload" => sub {
2430	my ($who, $arg) = @_;	2784	my ($who, $arg) = @_;
2431		2785
2432	if ($who->flag (FLAG_WIZ)) {	2786	if ($who->flag (FLAG_WIZ)) {
2433	$who->message ("start of reload.");
2434	reload;
2435	$who->message ("end of reload.");	2787	$who->message ("reloading server.");
		2788	async { reload_perl };
2436	}	2789	}
2437	};	2790	};
2438		2791
2439	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	}
2440		2816
2441	$TICK_WATCHER = Event->timer (	2817	$TICK_WATCHER = Event->timer (
2442	reentrant => 0,	2818	reentrant => 0,
		2819	parked => 1,
2443	prio => 0,	2820	prio => 0,
2444	at => $NEXT_TICK || $TICK,	2821	at => $NEXT_TICK || $TICK,
2445	data => WF_AUTOCANCEL,	2822	data => WF_AUTOCANCEL,
2446	cb => sub {	2823	cb => sub {
		2824	if ($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
		2830	$NOW = Event::time;
		2831
2447	cf::server_tick; # one server iteration	2832	cf::server_tick; # one server iteration
		2833
2448	$RUNTIME += $TICK;	2834	$RUNTIME += $TICK;
2449	$NEXT_TICK += $TICK;	2835	$NEXT_TICK += $TICK;
2450		2836
2451	$WAIT_FOR_TICK->broadcast;	2837	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2452	$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#
2453		2847
2454	# 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
2455	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2849	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2456		2850
2457	$TICK_WATCHER->at ($NEXT_TICK);	2851	$TICK_WATCHER->at ($NEXT_TICK);
2458	$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;
2459	},	2862	},
2460	);	2863	);
2461		2864
		2865	{
2462	IO::AIO::max_poll_time $TICK * 0.2;	2866	BDB::max_poll_time $TICK * 0.1;
2463		2867	$BDB_POLL_WATCHER = Event->io (
2464	Event->io (	2868	reentrant => 0,
2465	fd => IO::AIO::poll_fileno,	2869	fd => BDB::poll_fileno,
2466	poll => 'r',	2870	poll => 'r',
2467	prio => 5,	2871	prio => 0,
2468	data => WF_AUTOCANCEL,
2469	cb => \&IO::AIO::poll_cb,
2470	);
2471
2472	Event->timer (
2473	data => WF_AUTOCANCEL,	2872	data => WF_AUTOCANCEL,
2474	after => 0,	2873	cb => \&BDB::poll_cb,
2475	interval => 10,	2874	);
2476	cb => sub {	2875	BDB::min_parallel 8;
2477	(Coro::unblock_sub {	2876
2478	write_runtime	2877	BDB::set_sync_prepare {
2479	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 $@;
2480	})->();	2911	};
2481	},	2912	}
2482	);	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;
2483		2932
2484	END { cf::emergency_save }	2933	END { cf::emergency_save }
2485		2934
2486	1	2935	1
2487		2936

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