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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.154 by root, Tue Jan 9 15:36:19 2007 UTC vs.
Revision 1.245 by root, Tue Apr 17 10:06:33 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Storable;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
12		13
13	use Coro 3.3 ();	14	use Coro 3.61 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
		21	use Coro::Storable;
19		22
		23	use BDB ();
20	use Data::Dumper;	24	use Data::Dumper;
21	use Digest::MD5;	25	use Digest::MD5;
22	use Fcntl;	26	use Fcntl;
		27	use YAML::Syck ();
23	use IO::AIO 2.32 ();	28	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	29	use Time::HiRes;
		30	use Compress::LZF;
26		31
		32	# configure various modules to our taste
		33	#
		34	$Storable::canonical = 1; # reduce rsync transfers
		35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		37
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	38	$Event::Eval = 1; # no idea why this is required, but it is
28		39
29	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
30	$YAML::Syck::ImplicitUnicode = 1;	41	$YAML::Syck::ImplicitUnicode = 1;
31		42
32	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
33		44
34	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		46
36	our %COMMAND = ();	47	our %COMMAND = ();
37	our %COMMAND_TIME = ();	48	our %COMMAND_TIME = ();
		49
		50	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	51	our %EXTCMD = ();
		52	our %EXT_CORO = (); # coroutines bound to extensions
		53	our %EXT_MAP = (); # pluggable maps
39		54
		55	our $RELOAD; # number of reloads so far
40	our @EVENT;	56	our @EVENT;
41	our $LIBDIR = datadir . "/ext";	57	our $LIBDIR = datadir . "/ext";
42		58
43	our $TICK = MAX_TIME * 1e-6;	59	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
44	our $TICK_WATCHER;	60	our $TICK_WATCHER;
		61	our $AIO_POLL_WATCHER;
		62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	63	our $NEXT_TICK;
46	our $NOW;	64	our $NOW;
		65	our $USE_FSYNC = 1; # use fsync to write maps - default off
		66
		67	our $BDB_POLL_WATCHER;
		68	our $DB_ENV;
47		69
48	our %CFG;	70	our %CFG;
49		71
50	our $UPTIME; $UPTIME ||= time;	72	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	73	our $RUNTIME;
52		74
53	our %PLAYER; # all users	75	our %PLAYER; # all users
54	our %MAP; # all maps	76	our %MAP; # all maps
55	our $LINK_MAP; # the special {link} map	77	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";	78	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions	79	our $BDB_ENV_DIR = cf::localdir . "/db";
		80
		81	# used to convert map paths into valid unix filenames by replacing / by ∕
		82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
58		83
59	binmode STDOUT;	84	binmode STDOUT;
60	binmode STDERR;	85	binmode STDERR;
61		86
62	# read virtual server time, if available	87	# read virtual server time, if available
…		…
69	mkdir cf::localdir;	94	mkdir cf::localdir;
70	mkdir cf::localdir . "/" . cf::playerdir;	95	mkdir cf::localdir . "/" . cf::playerdir;
71	mkdir cf::localdir . "/" . cf::tmpdir;	96	mkdir cf::localdir . "/" . cf::tmpdir;
72	mkdir cf::localdir . "/" . cf::uniquedir;	97	mkdir cf::localdir . "/" . cf::uniquedir;
73	mkdir $RANDOM_MAPS;	98	mkdir $RANDOM_MAPS;
		99	mkdir $BDB_ENV_DIR;
74		100
75	# a special map that is always available
76	our $LINK_MAP;
77	our $EMERGENCY_POSITION;	101	our $EMERGENCY_POSITION;
		102
		103	sub cf::map::normalise;
78		104
79	#############################################################################	105	#############################################################################
80		106
81	=head2 GLOBAL VARIABLES	107	=head2 GLOBAL VARIABLES
82		108
…		…
106		132
107	=item %cf::CFG	133	=item %cf::CFG
108		134
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	135	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	136	from wherever your confdir points to.
		137
		138	=item cf::wait_for_tick, cf::wait_for_tick_begin
		139
		140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		141	returns directly I<after> the tick processing (and consequently, can only wake one process
		142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
111		143
112	=back	144	=back
113		145
114	=cut	146	=cut
115		147
…		…
146	}	178	}
147		179
148	$Event::DIED = sub {	180	$Event::DIED = sub {
149	warn "error in event callback: @_";	181	warn "error in event callback: @_";
150	};	182	};
151
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155		183
156	=head2 UTILITY FUNCTIONS	184	=head2 UTILITY FUNCTIONS
157		185
158	=over 4	186	=over 4
159		187
…		…
178	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
179	$d	207	$d
180	} || "[unable to dump $_[0]: '$@']";	208	} || "[unable to dump $_[0]: '$@']";
181	}	209	}
182		210
183	use JSON::Syck (); # TODO# replace by JSON::PC once working	211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
184		212
185	=item $ref = cf::from_json $json	213	=item $ref = cf::from_json $json
186		214
187	Converts a JSON string into the corresponding perl data structure.	215	Converts a JSON string into the corresponding perl data structure.
188		216
189	=cut
190
191	sub from_json($) {
192	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
193	JSON::Syck::Load $_[0]
194	}
195
196	=item $json = cf::to_json $ref	217	=item $json = cf::to_json $ref
197		218
198	Converts a perl data structure into its JSON representation.	219	Converts a perl data structure into its JSON representation.
199
200	=cut
201
202	sub to_json($) {
203	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
204	JSON::Syck::Dump $_[0]
205	}
206		220
207	=item cf::lock_wait $string	221	=item cf::lock_wait $string
208		222
209	Wait until the given lock is available. See cf::lock_acquire.	223	Wait until the given lock is available. See cf::lock_acquire.
210		224
…		…
247	}	261	}
248		262
249	sub freeze_mainloop {	263	sub freeze_mainloop {
250	return unless $TICK_WATCHER->is_active;	264	return unless $TICK_WATCHER->is_active;
251		265
252	my $guard = Coro::guard { $TICK_WATCHER->start };	266	my $guard = Coro::guard {
		267	$TICK_WATCHER->start;
		268	};
253	$TICK_WATCHER->stop;	269	$TICK_WATCHER->stop;
254	$guard	270	$guard
255	}	271	}
256		272
257	=item cf::async { BLOCK }	273	=item cf::async { BLOCK }
…		…
309	}	325	}
310	}	326	}
311		327
312	=item $coro = cf::async_ext { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
313		329
314	Like async, but this coro is automcatially being canceled when the	330	Like async, but this coro is automatically being canceled when the
315	extension calling this is being unloaded.	331	extension calling this is being unloaded.
316		332
317	=cut	333	=cut
318		334
319	sub async_ext(&) {	335	sub async_ext(&) {
…		…
328		344
329	$coro	345	$coro
330	}	346	}
331		347
332	sub write_runtime {	348	sub write_runtime {
		349	my $guard = cf::lock_acquire "write_runtime";
		350
333	my $runtime = cf::localdir . "/runtime";	351	my $runtime = cf::localdir . "/runtime";
334		352
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
336	or return;	354	or return;
337		355
		356	my $value = $cf::RUNTIME + 90 + 10;
338	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	357	# 10 is the runtime save interval, for a monotonic clock
		358	# 60 allows for the watchdog to kill the server.
		359
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0	360	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;	361	and return;
341		362
		363	# always fsync - this file is important
342	aio_fsync $fh	364	aio_fsync $fh
343	and return;	365	and return;
344		366
345	close $fh	367	close $fh
346	or return;	368	or return;
…		…
349	and return;	371	and return;
350		372
351	1	373	1
352	}	374	}
353		375
		376	=item cf::datalog type => key => value, ...
		377
		378	Log a datalog packet of the given type with the given key-value pairs.
		379
		380	=cut
		381
		382	sub datalog($@) {
		383	my ($type, %kv) = @_;
		384	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		385	}
		386
354	=back	387	=back
355		388
356	=cut	389	=cut
357
358	#############################################################################
359
360	package cf::path;
361
362	# used to convert map paths into valid unix filenames by repalcing / by ∕
363	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
364
365	sub new {
366	my ($class, $path, $base) = @_;
367
368	$path = $path->as_string if ref $path;
369
370	my $self = bless { }, $class;
371
372	# {... are special paths that are not touched
373	# ?xxx/... are special absolute paths
374	# ?random/... random maps
375	# /! non-realised random map exit
376	# /... normal maps
377	# ~/... per-player maps without a specific player (DO NOT USE)
378	# ~user/... per-player map of a specific user
379
380	if ($path =~ /^{/) {
381	# fine as it is
382	} elsif ($path =~ s{^\?random/}{}) {
383	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
384	$self->{random} = cf::from_json $data;
385	} else {
386	if ($path =~ s{^~([^/]+)?}{}) {
387	$self->{user_rel} = 1;
388
389	if (defined $1) {
390	$self->{user} = $1;
391	} elsif ($base =~ m{^~([^/]+)/}) {
392	$self->{user} = $1;
393	} else {
394	warn "cannot resolve user-relative path without user <$path,$base>\n";
395	}
396	} elsif ($path =~ /^\//) {
397	# already absolute
398	} else {
399	$base =~ s{[^/]+/?$}{};
400	return $class->new ("$base/$path");
401	}
402
403	for ($path) {
404	redo if s{/\.?/}{/};
405	redo if s{/[^/]+/\.\./}{/};
406	}
407	}
408
409	$self->{path} = $path;
410
411	$self
412	}
413
414	# the name / primary key / in-game path
415	sub as_string {
416	my ($self) = @_;
417
418	$self->{user_rel} ? "~$self->{user}$self->{path}"
419	: $self->{random} ? "?random/$self->{path}"
420	: $self->{path}
421	}
422
423	# the displayed name, this is a one way mapping
424	sub visible_name {
425	my ($self) = @_;
426
427	# if (my $rmp = $self->{random}) {
428	# # todo: be more intelligent about this
429	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
430	# } else {
431	$self->as_string
432	# }
433	}
434
435	# escape the /'s in the path
436	sub _escaped_path {
437	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
438	$path
439	}
440
441	# the original (read-only) location
442	sub load_path {
443	my ($self) = @_;
444
445	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
446	}
447
448	# the temporary/swap location
449	sub save_path {
450	my ($self) = @_;
451
452	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
453	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
454	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
455	}
456
457	# the unique path, might be eq to save_path
458	sub uniq_path {
459	my ($self) = @_;
460
461	$self->{user_rel} || $self->{random}
462	? undef
463	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
464	}
465
466	# return random map parameters, or undef
467	sub random_map_params {
468	my ($self) = @_;
469
470	$self->{random}
471	}
472
473	# this is somewhat ugly, but style maps do need special treatment
474	sub is_style_map {
475	$_[0]{path} =~ m{^/styles/}
476	}
477
478	package cf;
479		390
480	#############################################################################	391	#############################################################################
481		392
482	=head2 ATTACHABLE OBJECTS	393	=head2 ATTACHABLE OBJECTS
483		394
…		…
609	our @CB_TYPE = (); # registry for type (cf-object class) based events	520	our @CB_TYPE = (); # registry for type (cf-object class) based events
610	our @CB_MAP = ();	521	our @CB_MAP = ();
611		522
612	my %attachment;	523	my %attachment;
613		524
		525	sub cf::attachable::thawer_merge {
		526	# simply override everything except _meta
		527	local $_[0]{_meta};
		528	%{$_[0]} = %{$_[1]};
		529	}
		530
614	sub _attach_cb($$$$) {	531	sub _attach_cb($$$$) {
615	my ($registry, $event, $prio, $cb) = @_;	532	my ($registry, $event, $prio, $cb) = @_;
616		533
617	use sort 'stable';	534	use sort 'stable';
618		535
…		…
789	# object support	706	# object support
790		707
791	sub reattach {	708	sub reattach {
792	# basically do the same as instantiate, without calling instantiate	709	# basically do the same as instantiate, without calling instantiate
793	my ($obj) = @_;	710	my ($obj) = @_;
		711
		712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
794		713
795	my $registry = $obj->registry;	714	my $registry = $obj->registry;
796		715
797	@$registry = ();	716	@$registry = ();
798		717
…		…
845	$filename, length $$rdata, scalar @$objs;	764	$filename, length $$rdata, scalar @$objs;
846		765
847	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
848	chmod SAVE_MODE, $fh;	767	chmod SAVE_MODE, $fh;
849	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
850	aio_fsync $fh;	769	aio_fsync $fh if $cf::USE_FSYNC;
851	close $fh;	770	close $fh;
852		771
853	if (@$objs) {	772	if (@$objs) {
854	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
855	chmod SAVE_MODE, $fh;	774	chmod SAVE_MODE, $fh;
856	my $data = Storable::nfreeze { version => 1, objs => $objs };	775	my $data = Storable::nfreeze { version => 1, objs => $objs };
857	aio_write $fh, 0, (length $data), $data, 0;	776	aio_write $fh, 0, (length $data), $data, 0;
858	aio_fsync $fh;	777	aio_fsync $fh if $cf::USE_FSYNC;
859	close $fh;	778	close $fh;
860	aio_rename "$filename.pst~", "$filename.pst";	779	aio_rename "$filename.pst~", "$filename.pst";
861	}	780	}
862	} else {	781	} else {
863	aio_unlink "$filename.pst";	782	aio_unlink "$filename.pst";
…		…
930	=cut	849	=cut
931		850
932	sub register_extcmd {	851	sub register_extcmd {
933	my ($name, $cb) = @_;	852	my ($name, $cb) = @_;
934		853
935	my $caller = caller;
936	#warn "registering extcmd '$name' to '$caller'";
937
938	$EXTCMD{$name} = [$cb, $caller];	854	$EXTCMD{$name} = $cb;
939	}	855	}
940		856
941	cf::player->attach (	857	cf::player->attach (
942	on_command => sub {	858	on_command => sub {
943	my ($pl, $name, $params) = @_;	859	my ($pl, $name, $params) = @_;
…		…
956		872
957	my $msg = eval { from_json $buf };	873	my $msg = eval { from_json $buf };
958		874
959	if (ref $msg) {	875	if (ref $msg) {
960	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
961	if (my %reply = $cb->[0]->($pl, $msg)) {	877	if (my %reply = $cb->($pl, $msg)) {
962	$pl->ext_reply ($msg->{msgid}, %reply);	878	$pl->ext_reply ($msg->{msgid}, %reply);
963	}	879	}
964	}	880	}
965	} else {	881	} else {
966	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
968		884
969	cf::override;	885	cf::override;
970	},	886	},
971	);	887	);
972		888
973	sub register {
974	my ($base, $pkg) = @_;
975
976	#TODO
977	}
978
979	sub load_extension {	889	sub load_extension {
980	my ($path) = @_;	890	my ($path) = @_;
981		891
982	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
983	my $base = $1;	893	my $base = $1;
984	my $pkg = $1;	894	my $pkg = $1;
985	$pkg =~ s/[^[:word:]]/_/g;	895	$pkg =~ s/[^[:word:]]/_/g;
986	$pkg = "ext::$pkg";	896	$pkg = "ext::$pkg";
987		897
988	warn "loading '$path' into '$pkg'\n";	898	warn "... loading '$path' into '$pkg'\n";
989		899
990	open my $fh, "<:utf8", $path	900	open my $fh, "<:utf8", $path
991	or die "$path: $!";	901	or die "$path: $!";
992		902
993	my $source =	903	my $source =
994	"package $pkg; use strict; use utf8;\n"	904	"package $pkg; use strict; use utf8;\n"
995	. "#line 1 \"$path\"\n{\n"	905	. "#line 1 \"$path\"\n{\n"
996	. (do { local $/; <$fh> })	906	. (do { local $/; <$fh> })
997	. "\n};\n1";	907	. "\n};\n1";
998		908
999	eval $source	909	unless (eval $source) {
1000	or die $@ ? "$path: $@\n"	910	my $msg = $@ ? "$path: $@\n"
1001	: "extension disabled.\n";	911	: "extension disabled.\n";
1002		912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1003	push @exts, $pkg;	913	warn $@;
1004	$ext_pkg{$base} = $pkg;	914	warn "mandatory extension failed to load, exiting.\n";
1005		915	exit 1;
1006	# no strict 'refs';	916	}
1007	# @{"$pkg\::ISA"} = ext::;	917	die $@;
1008
1009	register $base, $pkg;
1010	}
1011
1012	sub unload_extension {
1013	my ($pkg) = @_;
1014
1015	warn "removing extension $pkg\n";
1016
1017	# remove hooks
1018	#TODO
1019	# for my $idx (0 .. $#PLUGIN_EVENT) {
1020	# delete $hook[$idx]{$pkg};
1021	# }	918	}
1022		919
1023	# remove commands	920	push @EXTS, $pkg;
1024	for my $name (keys %COMMAND) {
1025	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1026
1027	if (@cb) {
1028	$COMMAND{$name} = \@cb;
1029	} else {
1030	delete $COMMAND{$name};
1031	}
1032	}
1033
1034	# remove extcmds
1035	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1036	delete $EXTCMD{$name};
1037	}
1038
1039	if (my $cb = $pkg->can ("unload")) {
1040	eval {
1041	$cb->($pkg);
1042	1
1043	} or warn "$pkg unloaded, but with errors: $@";
1044	}
1045
1046	Symbol::delete_package $pkg;
1047	}	921	}
1048		922
1049	sub load_extensions {	923	sub load_extensions {
1050	for my $ext (<$LIBDIR/*.ext>) {	924	for my $ext (<$LIBDIR/*.ext>) {
1051	next unless -r $ext;	925	next unless -r $ext;
…		…
1055	} or warn "$ext not loaded: $@";	929	} or warn "$ext not loaded: $@";
1056	}	930	}
1057	}	931	}
1058		932
1059	#############################################################################	933	#############################################################################
1060	# load/save/clean perl data associated with a map
1061
1062	*cf::mapsupport::on_clean = sub {
1063	my ($map) = @_;
1064
1065	my $path = $map->tmpname;
1066	defined $path or return;
1067
1068	unlink "$path.pst";
1069	};
1070
1071	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1072
1073	#############################################################################
1074	# load/save perl data associated with player->ob objects
1075
1076	sub all_objects(@) {
1077	@_, map all_objects ($_->inv), @_
1078	}
1079
1080	# TODO: compatibility cruft, remove when no longer needed
1081	cf::player->attach (
1082	on_load => sub {
1083	my ($pl, $path) = @_;
1084
1085	for my $o (all_objects $pl->ob) {
1086	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1087	$o->set_ob_key_value ("_perl_data");
1088
1089	%$o = %{ Storable::thaw pack "H*", $value };
1090	}
1091	}
1092	},
1093	);
1094
1095	#############################################################################
1096		934
1097	=head2 CORE EXTENSIONS	935	=head2 CORE EXTENSIONS
1098		936
1099	Functions and methods that extend core crossfire objects.	937	Functions and methods that extend core crossfire objects.
1100		938
…		…
1123	}	961	}
1124		962
1125	sub path($) {	963	sub path($) {
1126	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1127		965
1128	(playerdir $login) . "/$login.pl"	966	(playerdir $login) . "/playerdata"
1129	}	967	}
1130		968
1131	sub find_active($) {	969	sub find_active($) {
1132	$cf::PLAYER{$_[0]}	970	$cf::PLAYER{$_[0]}
1133	and $cf::PLAYER{$_[0]}->active	971	and $cf::PLAYER{$_[0]}->active
…		…
1136		974
1137	sub exists($) {	975	sub exists($) {
1138	my ($login) = @_;	976	my ($login) = @_;
1139		977
1140	$cf::PLAYER{$login}	978	$cf::PLAYER{$login}
1141	or cf::sync_job { !aio_stat $login }	979	or cf::sync_job { !aio_stat path $login }
1142	}	980	}
1143		981
1144	sub find($) {	982	sub find($) {
1145	return $cf::PLAYER{$_[0]} || do {	983	return $cf::PLAYER{$_[0]} || do {
1146	my $login = $_[0];	984	my $login = $_[0];
1147		985
1148	my $guard = cf::lock_acquire "user_find:$login";	986	my $guard = cf::lock_acquire "user_find:$login";
1149		987
1150	$cf::PLAYER{$_[0]} || do {	988	$cf::PLAYER{$_[0]} || do {
		989	# rename old playerfiles to new ones
		990	#TODO: remove when no longer required
		991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		993	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		994	aio_unlink +(playerdir $login) . "/$login.pl";
		995
1151	my $pl = load_pl path $login	996	my $pl = load_pl path $login
1152	or return;	997	or return;
1153	$cf::PLAYER{$login} = $pl	998	$cf::PLAYER{$login} = $pl
1154	}	999	}
1155	}	1000	}
…		…
1192		1037
1193	=cut	1038	=cut
1194		1039
1195	sub quit_character {	1040	sub quit_character {
1196	my ($pl) = @_;	1041	my ($pl) = @_;
		1042
		1043	my $name = $pl->ob->name;
1197		1044
1198	$pl->{deny_save} = 1;	1045	$pl->{deny_save} = 1;
1199	$pl->password ("*"); # this should lock out the player until we nuked the dir	1046	$pl->password ("*"); # this should lock out the player until we nuked the dir
1200		1047
1201	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1206	my $path = playerdir $pl;	1053	my $path = playerdir $pl;
1207	my $temp = "$path~$cf::RUNTIME~deleting~";	1054	my $temp = "$path~$cf::RUNTIME~deleting~";
1208	aio_rename $path, $temp;	1055	aio_rename $path, $temp;
1209	delete $cf::PLAYER{$pl->ob->name};	1056	delete $cf::PLAYER{$pl->ob->name};
1210	$pl->destroy;	1057	$pl->destroy;
		1058
		1059	my $prefix = qr<^~\Q$name\E/>;
		1060
		1061	# nuke player maps
		1062	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1063
1211	IO::AIO::aio_rmtree $temp;	1064	IO::AIO::aio_rmtree $temp;
		1065	}
		1066
		1067	=item $pl->kick
		1068
		1069	Kicks a player out of the game. This destroys the connection.
		1070
		1071	=cut
		1072
		1073	sub kick {
		1074	my ($pl, $kicker) = @_;
		1075
		1076	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1077	$pl->killer ("kicked");
		1078	$pl->ns->destroy;
1212	}	1079	}
1213		1080
1214	=item cf::player::list_logins	1081	=item cf::player::list_logins
1215		1082
1216	Returns am arrayref of all valid playernames in the system, can take a	1083	Returns am arrayref of all valid playernames in the system, can take a
…		…
1225	my @logins;	1092	my @logins;
1226		1093
1227	for my $login (@$dirs) {	1094	for my $login (@$dirs) {
1228	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1229	aio_read $fh, 0, 512, my $buf, 0 or next;	1096	aio_read $fh, 0, 512, my $buf, 0 or next;
1230	$buf !~ /^password -------------$/ or next; # official not-valid tag	1097	$buf !~ /^password -------------$/m or next; # official not-valid tag
1231		1098
1232	utf8::decode $login;	1099	utf8::decode $login;
1233	push @logins, $login;	1100	push @logins, $login;
1234	}	1101	}
1235		1102
1236	\@logins	1103	\@logins
1237	}	1104	}
1238		1105
1239	=item $player->maps	1106	=item $player->maps
1240		1107
1241	Returns an arrayref of cf::path's of all maps that are private for this	1108	Returns an arrayref of map paths that are private for this
1242	player. May block.	1109	player. May block.
1243		1110
1244	=cut	1111	=cut
1245		1112
1246	sub maps($) {	1113	sub maps($) {
1247	my ($pl) = @_;	1114	my ($pl) = @_;
		1115
		1116	$pl = ref $pl ? $pl->ob->name : $pl;
1248		1117
1249	my $files = aio_readdir playerdir $pl	1118	my $files = aio_readdir playerdir $pl
1250	or return;	1119	or return;
1251		1120
1252	my @paths;	1121	my @paths;
1253		1122
1254	for (@$files) {	1123	for (@$files) {
1255	utf8::decode $_;	1124	utf8::decode $_;
1256	next if /\.(?:pl|pst)$/;	1125	next if /\.(?:pl|pst)$/;
1257	next unless /^$PATH_SEP/;	1126	next unless /^$PATH_SEP/o;
1258		1127
1259	s/$PATH_SEP/\//g;	1128	push @paths, cf::map::normalise "~$pl/$_";
1260	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1261	}	1129	}
1262		1130
1263	\@paths	1131	\@paths
1264	}	1132	}
1265		1133
1266	=item $player->ext_reply ($msgid, $msgtype, %msg)	1134	=item $player->ext_reply ($msgid, %msg)
1267		1135
1268	Sends an ext reply to the player.	1136	Sends an ext reply to the player.
1269		1137
1270	=cut	1138	=cut
1271		1139
1272	sub ext_reply($$$%) {	1140	sub ext_reply($$%) {
1273	my ($self, $id, %msg) = @_;	1141	my ($self, $id, %msg) = @_;
1274		1142
1275	$msg{msgid} = $id;	1143	$msg{msgid} = $id;
1276		1144
1277	$self->send ("ext " . cf::to_json \%msg);	1145	$self->send ("ext " . cf::to_json \%msg);
1278	}	1146	}
1279		1147
1280	package cf;	1148	=item $player->ext_event ($type, %msg)
		1149
		1150	Sends an ext event to the client.
		1151
		1152	=cut
		1153
		1154	sub ext_event($$%) {
		1155	my ($self, $type, %msg) = @_;
		1156
		1157	$self->ns->ext_event ($type, %msg);
		1158	}
		1159
		1160	=head3 cf::region
		1161
		1162	=over 4
		1163
		1164	=cut
		1165
		1166	package cf::region;
		1167
		1168	=item cf::region::find_by_path $path
		1169
		1170	Tries to decuce the probable region for a map knowing only its path.
		1171
		1172	=cut
		1173
		1174	sub find_by_path($) {
		1175	my ($path) = @_;
		1176
		1177	my ($match, $specificity);
		1178
		1179	for my $region (list) {
		1180	if ($region->match && $path =~ $region->match) {
		1181	($match, $specificity) = ($region, $region->specificity)
		1182	if $region->specificity > $specificity;
		1183	}
		1184	}
		1185
		1186	$match
		1187	}
1281		1188
1282	=back	1189	=back
1283
1284		1190
1285	=head3 cf::map	1191	=head3 cf::map
1286		1192
1287	=over 4	1193	=over 4
1288		1194
…		…
1291	package cf::map;	1197	package cf::map;
1292		1198
1293	use Fcntl;	1199	use Fcntl;
1294	use Coro::AIO;	1200	use Coro::AIO;
1295		1201
		1202	use overload
		1203	'""' => \&as_string,
		1204	fallback => 1;
		1205
1296	our $MAX_RESET = 3600;	1206	our $MAX_RESET = 3600;
1297	our $DEFAULT_RESET = 3000;	1207	our $DEFAULT_RESET = 3000;
1298		1208
1299	sub generate_random_map {	1209	sub generate_random_map {
1300	my ($path, $rmp) = @_;	1210	my ($self, $rmp) = @_;
1301
1302	# mit "rum" bekleckern, nicht	1211	# mit "rum" bekleckern, nicht
1303	cf::map::_create_random_map	1212	$self->_create_random_map (
1304	$path,
1305	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1306	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1307	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1308	$rmp->{exit_on_final_map},	1216	$rmp->{exit_on_final_map},
1309	$rmp->{xsize}, $rmp->{ysize},	1217	$rmp->{xsize}, $rmp->{ysize},
1310	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1218	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1311	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1219	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1312	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1220	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1313	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1221	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1314	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1222	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1315	(cf::region::find $rmp->{region})	1223	(cf::region::find $rmp->{region}), $rmp->{custom}
		1224	)
		1225	}
		1226
		1227	=item cf::map->register ($regex, $prio)
		1228
		1229	Register a handler for the map path matching the given regex at the
		1230	givne priority (higher is better, built-in handlers have priority 0, the
		1231	default).
		1232
		1233	=cut
		1234
		1235	sub register {
		1236	my (undef, $regex, $prio) = @_;
		1237	my $pkg = caller;
		1238
		1239	no strict;
		1240	push @{"$pkg\::ISA"}, __PACKAGE__;
		1241
		1242	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1243	}
		1244
		1245	# also paths starting with '/'
		1246	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1247
		1248	sub thawer_merge {
		1249	my ($self, $merge) = @_;
		1250
		1251	# we have to keep some variables in memory intact
		1252	local $self->{path};
		1253	local $self->{load_path};
		1254	local $self->{deny_save};
		1255	local $self->{deny_reset};
		1256
		1257	$self->SUPER::thawer_merge ($merge);
		1258	}
		1259
		1260	sub normalise {
		1261	my ($path, $base) = @_;
		1262
		1263	$path = "$path"; # make sure its a string
		1264
		1265	$path =~ s/\.map$//;
		1266
		1267	# map plan:
		1268	#
		1269	# /! non-realised random map exit (special hack!)
		1270	# {... are special paths that are not being touched
		1271	# ?xxx/... are special absolute paths
		1272	# ?random/... random maps
		1273	# /... normal maps
		1274	# ~user/... per-player map of a specific user
		1275
		1276	$path =~ s/$PATH_SEP/\//go;
		1277
		1278	# treat it as relative path if it starts with
		1279	# something that looks reasonable
		1280	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1281	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1282
		1283	$base =~ s{[^/]+/?$}{};
		1284	$path = "$base/$path";
		1285	}
		1286
		1287	for ($path) {
		1288	redo if s{//}{/};
		1289	redo if s{/\.?/}{/};
		1290	redo if s{/[^/]+/\.\./}{/};
		1291	}
		1292
		1293	$path
		1294	}
		1295
		1296	sub new_from_path {
		1297	my (undef, $path, $base) = @_;
		1298
		1299	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1300
		1301	$path = normalise $path, $base;
		1302
		1303	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1304	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1305	my $self = bless cf::map::new, $pkg;
		1306	$self->{path} = $path; $self->path ($path);
		1307	$self->init; # pass $1 etc.
		1308	return $self;
		1309	}
		1310	}
		1311
		1312	Carp::carp "unable to resolve path '$path' (base '$base').";
		1313	()
		1314	}
		1315
		1316	sub init {
		1317	my ($self) = @_;
		1318
		1319	$self
		1320	}
		1321
		1322	sub as_string {
		1323	my ($self) = @_;
		1324
		1325	"$self->{path}"
		1326	}
		1327
		1328	# the displayed name, this is a one way mapping
		1329	sub visible_name {
		1330	&as_string
		1331	}
		1332
		1333	# the original (read-only) location
		1334	sub load_path {
		1335	my ($self) = @_;
		1336
		1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1338	}
		1339
		1340	# the temporary/swap location
		1341	sub save_path {
		1342	my ($self) = @_;
		1343
		1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1346	}
		1347
		1348	# the unique path, undef == no special unique path
		1349	sub uniq_path {
		1350	my ($self) = @_;
		1351
		1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1316	}	1354	}
1317		1355
1318	# and all this just because we cannot iterate over	1356	# and all this just because we cannot iterate over
1319	# all maps in C++...	1357	# all maps in C++...
1320	sub change_all_map_light {	1358	sub change_all_map_light {
…		…
1322		1360
1323	$_->change_map_light ($change)	1361	$_->change_map_light ($change)
1324	for grep $_->outdoor, values %cf::MAP;	1362	for grep $_->outdoor, values %cf::MAP;
1325	}	1363	}
1326		1364
		1365	sub unlink_save {
		1366	my ($self) = @_;
		1367
		1368	utf8::encode (my $save = $self->save_path);
		1369	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1370	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1371	}
		1372
1327	sub try_load_header($) {	1373	sub load_header_from($) {
1328	my ($path) = @_;	1374	my ($self, $path) = @_;
1329		1375
1330	utf8::encode $path;	1376	utf8::encode $path;
1331	aio_open $path, O_RDONLY, 0	1377	#aio_open $path, O_RDONLY, 0
		1378	# or return;
		1379
		1380	$self->_load_header ($path)
1332	or return;	1381	or return;
1333		1382
1334	my $map = cf::map::new	1383	$self->{load_path} = $path;
		1384
		1385	1
		1386	}
		1387
		1388	sub load_header_orig {
		1389	my ($self) = @_;
		1390
		1391	$self->load_header_from ($self->load_path)
		1392	}
		1393
		1394	sub load_header_temp {
		1395	my ($self) = @_;
		1396
		1397	$self->load_header_from ($self->save_path)
		1398	}
		1399
		1400	sub prepare_temp {
		1401	my ($self) = @_;
		1402
		1403	$self->last_access ((delete $self->{last_access})
		1404	|| $cf::RUNTIME); #d#
		1405	# safety
		1406	$self->{instantiate_time} = $cf::RUNTIME
		1407	if $self->{instantiate_time} > $cf::RUNTIME;
		1408	}
		1409
		1410	sub prepare_orig {
		1411	my ($self) = @_;
		1412
		1413	$self->{load_original} = 1;
		1414	$self->{instantiate_time} = $cf::RUNTIME;
		1415	$self->last_access ($cf::RUNTIME);
		1416	$self->instantiate;
		1417	}
		1418
		1419	sub load_header {
		1420	my ($self) = @_;
		1421
		1422	if ($self->load_header_temp) {
		1423	$self->prepare_temp;
		1424	} else {
		1425	$self->load_header_orig
1335	or return;	1426	or return;
		1427	$self->prepare_orig;
		1428	}
1336		1429
1337	# for better error messages only, will be overwritten	1430	$self->default_region (cf::region::find_by_path $self->{path})
1338	$map->path ($path);	1431	unless $self->default_region;
1339		1432
1340	$map->load_header ($path)	1433	1
1341	or return;
1342
1343	$map->{load_path} = $path;
1344
1345	$map
1346	}	1434	}
1347		1435
1348	sub find;	1436	sub find;
1349	sub find {	1437	sub find {
1350	my ($path, $origin) = @_;	1438	my ($path, $origin) = @_;
1351		1439
1352	#warn "find<$path,$origin>\n";#d#
1353
1354	$path = new cf::path $path, $origin && $origin->path;	1440	$path = normalise $path, $origin && $origin->path;
1355	my $key = $path->as_string;
1356		1441
1357	cf::lock_wait "map_find:$key";	1442	cf::lock_wait "map_find:$path";
1358		1443
1359	$cf::MAP{$key} || do {	1444	$cf::MAP{$path} || do {
1360	my $guard = cf::lock_acquire "map_find:$key";	1445	my $guard = cf::lock_acquire "map_find:$path";
1361		1446	my $map = new_from_path cf::map $path
1362	# do it the slow way
1363	my $map = try_load_header $path->save_path;
1364
1365	Coro::cede;
1366
1367	if ($map) {
1368	$map->last_access ((delete $map->{last_access})
1369	|| $cf::RUNTIME); #d#
1370	# safety
1371	$map->{instantiate_time} = $cf::RUNTIME
1372	if $map->{instantiate_time} > $cf::RUNTIME;
1373	} else {
1374	if (my $rmp = $path->random_map_params) {
1375	$map = generate_random_map $key, $rmp;
1376	} else {
1377	$map = try_load_header $path->load_path;
1378	}
1379
1380	$map or return;	1447	or return;
1381		1448
1382	$map->{load_original} = 1;
1383	$map->{instantiate_time} = $cf::RUNTIME;
1384	$map->last_access ($cf::RUNTIME);
1385	$map->instantiate;
1386
1387	# per-player maps become, after loading, normal maps
1388	$map->per_player (0) if $path->{user_rel};
1389	}
1390
1391	$map->path ($key);
1392	$map->{path} = $path;
1393	$map->{last_save} = $cf::RUNTIME;	1449	$map->{last_save} = $cf::RUNTIME;
1394		1450
1395	Coro::cede;	1451	$map->load_header
		1452	or return;
1396		1453
1397	if ($map->should_reset) {	1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1455	# doing this can freeze the server in a sync job, obviously
		1456	#$cf::WAIT_FOR_TICK->wait;
1398	$map->reset;	1457	$map->reset;
1399	undef $guard;	1458	undef $guard;
1400	$map = find $path	1459	return find $path;
1401	or return;
1402	}	1460	}
1403		1461
1404	$cf::MAP{$key} = $map	1462	$cf::MAP{$path} = $map
1405	}	1463	}
1406	}	1464	}
		1465
		1466	sub pre_load { }
		1467	sub post_load { }
1407		1468
1408	sub load {	1469	sub load {
1409	my ($self) = @_;	1470	my ($self) = @_;
1410		1471
		1472	local $self->{deny_reset} = 1; # loading can take a long time
		1473
1411	my $path = $self->{path};	1474	my $path = $self->{path};
1412	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1475	my $guard = cf::lock_acquire "map_load:$path";
1413		1476
1414	return if $self->in_memory != cf::MAP_SWAPPED;	1477	return if $self->in_memory != cf::MAP_SWAPPED;
1415		1478
1416	$self->in_memory (cf::MAP_LOADING);	1479	$self->in_memory (cf::MAP_LOADING);
1417		1480
1418	$self->alloc;	1481	$self->alloc;
		1482
		1483	$self->pre_load;
		1484	Coro::cede;
		1485
1419	$self->load_objects ($self->{load_path}, 1)	1486	$self->_load_objects ($self->{load_path}, 1)
1420	or return;	1487	or return;
1421		1488
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};	1490	if delete $self->{load_original};
1424		1491
1425	if (my $uniq = $path->uniq_path) {	1492	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	1493	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	1494	if (aio_open $uniq, O_RDONLY, 0) {
1428	$self->clear_unique_items;	1495	$self->clear_unique_items;
1429	$self->load_objects ($uniq, 0);	1496	$self->_load_objects ($uniq, 0);
1430	}	1497	}
1431	}	1498	}
1432		1499
1433	Coro::cede;	1500	Coro::cede;
1434
1435	# now do the right thing for maps	1501	# now do the right thing for maps
1436	$self->link_multipart_objects;	1502	$self->link_multipart_objects;
		1503	Coro::cede;
1437		1504
1438	if ($self->{path}->is_style_map) {	1505	unless ($self->{deny_activate}) {
1439	$self->{deny_save} = 1;	1506	$self->decay_objects;
1440	$self->{deny_reset} = 1;
1441	} else {
1442	$self->fix_auto_apply;	1507	$self->fix_auto_apply;
1443	$self->decay_objects;
1444	$self->update_buttons;	1508	$self->update_buttons;
		1509	Coro::cede;
1445	$self->set_darkness_map;	1510	$self->set_darkness_map;
1446	$self->difficulty ($self->estimate_difficulty)	1511	$self->difficulty ($self->estimate_difficulty)
1447	unless $self->difficulty;	1512	unless $self->difficulty;
		1513	Coro::cede;
1448	$self->activate;	1514	$self->activate;
		1515	Coro::cede;
1449	}	1516	}
1450		1517
		1518	$self->post_load;
1451	Coro::cede;	1519	Coro::cede;
1452		1520
1453	$self->in_memory (cf::MAP_IN_MEMORY);	1521	$self->in_memory (cf::MAP_IN_MEMORY);
		1522	}
		1523
		1524	sub customise_for {
		1525	my ($self, $ob) = @_;
		1526
		1527	return find "~" . $ob->name . "/" . $self->{path}
		1528	if $self->per_player;
		1529
		1530	$self
		1531	}
		1532
		1533	# find and load all maps in the 3x3 area around a map
		1534	sub load_diag {
		1535	my ($map) = @_;
		1536
		1537	my @diag; # diagonal neighbours
		1538
		1539	for (0 .. 3) {
		1540	my $neigh = $map->tile_path ($_)
		1541	or next;
		1542	$neigh = find $neigh, $map
		1543	or next;
		1544	$neigh->load;
		1545
		1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1548	}
		1549
		1550	for (@diag) {
		1551	my $neigh = find @$_
		1552	or next;
		1553	$neigh->load;
		1554	}
1454	}	1555	}
1455		1556
1456	sub find_sync {	1557	sub find_sync {
1457	my ($path, $origin) = @_;	1558	my ($path, $origin) = @_;
1458		1559
1459	cf::sync_job { cf::map::find $path, $origin }	1560	cf::sync_job { find $path, $origin }
1460	}	1561	}
1461		1562
1462	sub do_load_sync {	1563	sub do_load_sync {
1463	my ($map) = @_;	1564	my ($map) = @_;
1464		1565
1465	cf::sync_job { $map->load };	1566	cf::sync_job { $map->load };
1466	}	1567	}
1467		1568
		1569	our %MAP_PREFETCH;
		1570	our $MAP_PREFETCHER = undef;
		1571
		1572	sub find_async {
		1573	my ($path, $origin) = @_;
		1574
		1575	$path = normalise $path, $origin && $origin->{path};
		1576
		1577	if (my $map = $cf::MAP{$path}) {
		1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1579	}
		1580
		1581	undef $MAP_PREFETCH{$path};
		1582	$MAP_PREFETCHER ||= cf::async {
		1583	while (%MAP_PREFETCH) {
		1584	for my $path (keys %MAP_PREFETCH) {
		1585	my $map = find $path
		1586	or next;
		1587	$map->load;
		1588
		1589	delete $MAP_PREFETCH{$path};
		1590	}
		1591	}
		1592	undef $MAP_PREFETCHER;
		1593	};
		1594	$MAP_PREFETCHER->prio (6);
		1595
		1596	()
		1597	}
		1598
1468	sub save {	1599	sub save {
1469	my ($self) = @_;	1600	my ($self) = @_;
1470		1601
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	1602	my $lock = cf::lock_acquire "map_data:" . $self->path;
1472		1603
1473	$self->{last_save} = $cf::RUNTIME;	1604	$self->{last_save} = $cf::RUNTIME;
1474		1605
1475	return unless $self->dirty;	1606	return unless $self->dirty;
1476		1607
1477	my $save = $self->{path}->save_path; utf8::encode $save;	1608	my $save = $self->save_path; utf8::encode $save;
1478	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1609	my $uniq = $self->uniq_path; utf8::encode $uniq;
1479		1610
1480	$self->{load_path} = $save;	1611	$self->{load_path} = $save;
1481		1612
1482	return if $self->{deny_save};	1613	return if $self->{deny_save};
1483		1614
…		…
1486	cf::async {	1617	cf::async {
1487	$_->contr->save for $self->players;	1618	$_->contr->save for $self->players;
1488	};	1619	};
1489		1620
1490	if ($uniq) {	1621	if ($uniq) {
1491	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1492	$self->save_objects ($uniq, cf::IO_UNIQUES);	1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1493	} else {	1624	} else {
1494	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1625	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1495	}	1626	}
1496	}	1627	}
1497		1628
1498	sub swap_out {	1629	sub swap_out {
1499	my ($self) = @_;	1630	my ($self) = @_;
…		…
1513		1644
1514	sub reset_at {	1645	sub reset_at {
1515	my ($self) = @_;	1646	my ($self) = @_;
1516		1647
1517	# TODO: safety, remove and allow resettable per-player maps	1648	# TODO: safety, remove and allow resettable per-player maps
1518	return 1e99 if $self->{path}{user_rel};	1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1519	return 1e99 if $self->{deny_reset};	1650	return 1e99 if $self->{deny_reset};
1520		1651
1521	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1522	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1523		1654
…		…
1528	my ($self) = @_;	1659	my ($self) = @_;
1529		1660
1530	$self->reset_at <= $cf::RUNTIME	1661	$self->reset_at <= $cf::RUNTIME
1531	}	1662	}
1532		1663
1533	sub unlink_save {
1534	my ($self) = @_;
1535
1536	utf8::encode (my $save = $self->{path}->save_path);
1537	aioreq_pri 3; IO::AIO::aio_unlink $save;
1538	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1539	}
1540
1541	sub rename {
1542	my ($self, $new_path) = @_;
1543
1544	$self->unlink_save;
1545
1546	delete $cf::MAP{$self->path};
1547	$self->{path} = new cf::path $new_path;
1548	$self->path ($self->{path}->as_string);
1549	$cf::MAP{$self->path} = $self;
1550
1551	$self->save;
1552	}
1553
1554	sub reset {	1664	sub reset {
1555	my ($self) = @_;	1665	my ($self) = @_;
1556		1666
1557	my $lock = cf::lock_acquire "map_data:" . $self->path;	1667	my $lock = cf::lock_acquire "map_data:$self->{path}";
1558		1668
1559	return if $self->players;	1669	return if $self->players;
1560	return if $self->{path}{user_rel};#d#	1670	return if $self->isa ("ext::map_per_player");#d#
1561		1671
1562	warn "resetting map ", $self->path;#d#	1672	warn "resetting map ", $self->path;#d#
1563		1673
		1674	$self->in_memory (cf::MAP_SWAPPED);
		1675
		1676	# need to save uniques path
		1677	unless ($self->{deny_save}) {
		1678	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1679
		1680	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1681	if $uniq;
		1682	}
		1683
1564	delete $cf::MAP{$self->path};	1684	delete $cf::MAP{$self->path};
		1685
		1686	$self->clear;
1565		1687
1566	$_->clear_links_to ($self) for values %cf::MAP;	1688	$_->clear_links_to ($self) for values %cf::MAP;
1567		1689
1568	$self->unlink_save;	1690	$self->unlink_save;
1569	$self->destroy;	1691	$self->destroy;
…		…
1572	my $nuke_counter = "aaaa";	1694	my $nuke_counter = "aaaa";
1573		1695
1574	sub nuke {	1696	sub nuke {
1575	my ($self) = @_;	1697	my ($self) = @_;
1576		1698
		1699	delete $cf::MAP{$self->path};
		1700
		1701	$self->unlink_save;
		1702
		1703	bless $self, "cf::map";
		1704	delete $self->{deny_reset};
1577	$self->{deny_save} = 1;	1705	$self->{deny_save} = 1;
1578	$self->reset_timeout (1);	1706	$self->reset_timeout (1);
1579	$self->rename ("{nuke}/" . ($nuke_counter++));	1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1708
		1709	$cf::MAP{$self->path} = $self;
		1710
1580	$self->reset; # polite request, might not happen	1711	$self->reset; # polite request, might not happen
1581	}	1712	}
1582		1713
1583	sub customise_for {	1714	=item cf::map::unique_maps
1584	my ($map, $ob) = @_;
1585		1715
1586	if ($map->per_player) {	1716	Returns an arrayref of paths of all shared maps that have
1587	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1717	instantiated unique items. May block.
1588	}
1589		1718
1590	$map	1719	=cut
1591	}
1592		1720
1593	sub emergency_save {	1721	sub unique_maps() {
1594	my $freeze_guard = cf::freeze_mainloop;	1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1723	or return;
1595		1724
1596	warn "enter emergency perl save\n";	1725	my @paths;
1597		1726
1598	cf::sync_job {	1727	for (@$files) {
1599	warn "begin emergency player save\n";	1728	utf8::decode $_;
1600	$_->save for values %cf::PLAYER;	1729	next if /\.pst$/;
1601	warn "end emergency player save\n";	1730	next unless /^$PATH_SEP/o;
1602		1731
1603	warn "begin emergency map save\n";	1732	push @paths, cf::map::normalise $_;
1604	$_->save for values %cf::MAP;
1605	warn "end emergency map save\n";
1606	};	1733	}
1607		1734
1608	warn "leave emergency perl save\n";	1735	\@paths
1609	}	1736	}
1610		1737
1611	package cf;	1738	package cf;
1612		1739
1613	=back	1740	=back
1614		1741
		1742	=head3 cf::object
		1743
		1744	=cut
		1745
		1746	package cf::object;
		1747
		1748	=over 4
		1749
		1750	=item $ob->inv_recursive
		1751
		1752	Returns the inventory of the object _and_ their inventories, recursively.
		1753
		1754	=cut
		1755
		1756	sub inv_recursive_;
		1757	sub inv_recursive_ {
		1758	map { $_, inv_recursive_ $_->inv } @_
		1759	}
		1760
		1761	sub inv_recursive {
		1762	inv_recursive_ inv $_[0]
		1763	}
		1764
		1765	package cf;
		1766
		1767	=back
1615		1768
1616	=head3 cf::object::player	1769	=head3 cf::object::player
1617		1770
1618	=over 4	1771	=over 4
1619		1772
…		…
1659		1812
1660	=item $player_object->enter_link	1813	=item $player_object->enter_link
1661		1814
1662	Freezes the player and moves him/her to a special map (C<{link}>).	1815	Freezes the player and moves him/her to a special map (C<{link}>).
1663		1816
1664	The player should be reaosnably safe there for short amounts of time. You	1817	The player should be reasonably safe there for short amounts of time. You
1665	I<MUST> call C<leave_link> as soon as possible, though.	1818	I<MUST> call C<leave_link> as soon as possible, though.
1666		1819
		1820	Will never block.
		1821
1667	=item $player_object->leave_link ($map, $x, $y)	1822	=item $player_object->leave_link ($map, $x, $y)
1668		1823
1669	Moves the player out of the specila link map onto the given map. If the	1824	Moves the player out of the special C<{link}> map onto the specified
1670	map is not valid (or omitted), the player will be moved back to the	1825	map. If the map is not valid (or omitted), the player will be moved back
1671	location he/she was before the call to C<enter_link>, or, if that fails,	1826	to the location he/she was before the call to C<enter_link>, or, if that
1672	to the emergency map position.	1827	fails, to the emergency map position.
1673		1828
1674	Might block.	1829	Might block.
1675		1830
1676	=cut	1831	=cut
		1832
		1833	sub link_map {
		1834	unless ($LINK_MAP) {
		1835	$LINK_MAP = cf::map::find "{link}"
		1836	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1837	$LINK_MAP->load;
		1838	}
		1839
		1840	$LINK_MAP
		1841	}
1677		1842
1678	sub cf::object::player::enter_link {	1843	sub cf::object::player::enter_link {
1679	my ($self) = @_;	1844	my ($self) = @_;
1680		1845
1681	$self->deactivate_recursive;	1846	$self->deactivate_recursive;
1682		1847
1683	return if $self->map == $LINK_MAP;	1848	return if UNIVERSAL::isa $self->map, "ext::map_link";
1684		1849
1685	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1686	if $self->map;	1851	if $self->map;
1687		1852
1688	$self->enter_map ($LINK_MAP, 20, 20);	1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1689	}	1854	}
1690		1855
1691	sub cf::object::player::leave_link {	1856	sub cf::object::player::leave_link {
1692	my ($self, $map, $x, $y) = @_;	1857	my ($self, $map, $x, $y) = @_;
1693		1858
…		…
1711	# use -1 or undef as default coordinates, not 0, 0	1876	# use -1 or undef as default coordinates, not 0, 0
1712	($x, $y) = ($map->enter_x, $map->enter_y)	1877	($x, $y) = ($map->enter_x, $map->enter_y)
1713	if $x <=0 && $y <= 0;	1878	if $x <=0 && $y <= 0;
1714		1879
1715	$map->load;	1880	$map->load;
		1881	$map->load_diag;
1716		1882
1717	return unless $self->contr->active;	1883	return unless $self->contr->active;
1718	$self->activate_recursive;	1884	$self->activate_recursive;
		1885
		1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1719	$self->enter_map ($map, $x, $y);	1887	$self->enter_map ($map, $x, $y);
1720	}	1888	}
1721		1889
1722	cf::player->attach (	1890	cf::player->attach (
1723	on_logout => sub {	1891	on_logout => sub {
…		…
1736	# try to abort aborted map switching on player login :)	1904	# try to abort aborted map switching on player login :)
1737	# should happen only on crashes	1905	# should happen only on crashes
1738	if ($pl->ob->{_link_pos}) {	1906	if ($pl->ob->{_link_pos}) {
1739	$pl->ob->enter_link;	1907	$pl->ob->enter_link;
1740	(async {	1908	(async {
1741	# we need this sleep as the login has a concurrent enter_exit running
1742	# and this sleep increases chances of the player not ending up in scorn
1743	$pl->ob->reply (undef,	1909	$pl->ob->reply (undef,
1744	"There was an internal problem at your last logout, "	1910	"There was an internal problem at your last logout, "
1745	. "the server will try to bring you to your intended destination in a second.",	1911	. "the server will try to bring you to your intended destination in a second.",
1746	cf::NDI_RED);	1912	cf::NDI_RED);
		1913	# we need this sleep as the login has a concurrent enter_exit running
		1914	# and this sleep increases chances of the player not ending up in scorn
1747	Coro::Timer::sleep 1;	1915	Coro::Timer::sleep 1;
1748	$pl->ob->leave_link;	1916	$pl->ob->leave_link;
1749	})->prio (2);	1917	})->prio (2);
1750	}	1918	}
1751	},	1919	},
…		…
1756	=cut	1924	=cut
1757		1925
1758	sub cf::object::player::goto {	1926	sub cf::object::player::goto {
1759	my ($self, $path, $x, $y) = @_;	1927	my ($self, $path, $x, $y) = @_;
1760		1928
1761	$path = new cf::path $path;
1762	$path ne "/" or Carp::cluck ("oy");#d#
1763
1764	$self->enter_link;	1929	$self->enter_link;
1765		1930
1766	(async {	1931	(async {
		1932	my $map = eval {
1767	my $map = cf::map::find $path->as_string;	1933	my $map = cf::map::find $path;
1768	$map = $map->customise_for ($self) if $map;	1934	$map = $map->customise_for ($self) if $map;
1769		1935	$map
1770	# warn "entering ", $map->path, " at ($x, $y)\n"	1936	} or
1771	# if $map;
1772
1773	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1774		1938
1775	$self->leave_link ($map, $x, $y);	1939	$self->leave_link ($map, $x, $y);
1776	})->prio (1);	1940	})->prio (1);
1777	}	1941	}
1778		1942
…		…
1782		1946
1783	sub parse_random_map_params {	1947	sub parse_random_map_params {
1784	my ($spec) = @_;	1948	my ($spec) = @_;
1785		1949
1786	my $rmp = { # defaults	1950	my $rmp = { # defaults
1787	xsize => 10,	1951	xsize => (cf::rndm 15, 40),
1788	ysize => 10,	1952	ysize => (cf::rndm 15, 40),
		1953	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1954	#layout => string,
1789	};	1955	};
1790		1956
1791	for (split /\n/, $spec) {	1957	for (split /\n/, $spec) {
1792	my ($k, $v) = split /\s+/, $_, 2;	1958	my ($k, $v) = split /\s+/, $_, 2;
1793		1959
…		…
1797	$rmp	1963	$rmp
1798	}	1964	}
1799		1965
1800	sub prepare_random_map {	1966	sub prepare_random_map {
1801	my ($exit) = @_;	1967	my ($exit) = @_;
		1968
		1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1802		1970
1803	# all this does is basically replace the /! path by	1971	# all this does is basically replace the /! path by
1804	# a new random map path (?random/...) with a seed	1972	# a new random map path (?random/...) with a seed
1805	# that depends on the exit object	1973	# that depends on the exit object
1806		1974
1807	my $rmp = parse_random_map_params $exit->msg;	1975	my $rmp = parse_random_map_params $exit->msg;
1808		1976
1809	if ($exit->map) {	1977	if ($exit->map) {
1810	$rmp->{region} = $exit->map->region_name;	1978	$rmp->{region} = $exit->region->name;
1811	$rmp->{origin_map} = $exit->map->path;	1979	$rmp->{origin_map} = $exit->map->path;
1812	$rmp->{origin_x} = $exit->x;	1980	$rmp->{origin_x} = $exit->x;
1813	$rmp->{origin_y} = $exit->y;	1981	$rmp->{origin_y} = $exit->y;
1814	}	1982	}
1815		1983
1816	$rmp->{random_seed} ||= $exit->random_seed;	1984	$rmp->{random_seed} ||= $exit->random_seed;
1817		1985
1818	my $data = cf::to_json $rmp;	1986	my $data = cf::to_json $rmp;
1819	my $md5 = Digest::MD5::md5_hex $data;	1987	my $md5 = Digest::MD5::md5_hex $data;
		1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1820		1989
1821	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1822	aio_write $fh, 0, (length $data), $data, 0;	1991	aio_write $fh, 0, (length $data), $data, 0;
		1992	undef $fh;
		1993	aio_rename "$meta~", $meta;
1823		1994
1824	$exit->slaying ("?random/$md5");	1995	$exit->slaying ("?random/$md5");
1825	$exit->msg (undef);	1996	$exit->msg (undef);
1826	}	1997	}
1827	}	1998	}
1828		1999
1829	sub cf::object::player::enter_exit {	2000	sub cf::object::player::enter_exit {
1830	my ($self, $exit) = @_;	2001	my ($self, $exit) = @_;
1831		2002
1832	return unless $self->type == cf::PLAYER;	2003	return unless $self->type == cf::PLAYER;
		2004
		2005	if ($exit->slaying eq "/!") {
		2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2007	# the problem is that $exit might not survive long enough
		2008	# so it needs to be done right now, right here
		2009	cf::sync_job { prepare_random_map $exit };
		2010	}
		2011
		2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2013	my $hp = $exit->stats->hp;
		2014	my $sp = $exit->stats->sp;
1833		2015
1834	$self->enter_link;	2016	$self->enter_link;
1835		2017
1836	(async {	2018	(async {
1837	$self->deactivate_recursive; # just to be sure	2019	$self->deactivate_recursive; # just to be sure
1838	unless (eval {	2020	unless (eval {
1839	prepare_random_map $exit	2021	$self->goto ($slaying, $hp, $sp);
1840	if $exit->slaying eq "/!";
1841
1842	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1843	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1844		2022
1845	1;	2023	1;
1846	}) {	2024	}) {
1847	$self->message ("Something went wrong deep within the crossfire server. "	2025	$self->message ("Something went wrong deep within the crossfire server. "
1848	. "I'll try to bring you back to the map you were before. "	2026	. "I'll try to bring you back to the map you were before. "
1849	. "Please report this to the dungeon master",	2027	. "Please report this to the dungeon master!",
1850	cf::NDI_UNIQUE | cf::NDI_RED);	2028	cf::NDI_UNIQUE | cf::NDI_RED);
1851		2029
1852	warn "ERROR in enter_exit: $@";	2030	warn "ERROR in enter_exit: $@";
1853	$self->leave_link;	2031	$self->leave_link;
1854	}	2032	}
1855	})->prio (1);	2033	})->prio (1);
…		…
1868		2046
1869	sub cf::client::send_drawinfo {	2047	sub cf::client::send_drawinfo {
1870	my ($self, $text, $flags) = @_;	2048	my ($self, $text, $flags) = @_;
1871		2049
1872	utf8::encode $text;	2050	utf8::encode $text;
1873	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1874	}	2052	}
1875		2053
		2054	=item $client->ext_event ($type, %msg)
		2055
		2056	Sends an exti event to the client.
		2057
		2058	=cut
		2059
		2060	sub cf::client::ext_event($$%) {
		2061	my ($self, $type, %msg) = @_;
		2062
		2063	$msg{msgtype} = "event_$type";
		2064	$self->send_packet ("ext " . cf::to_json \%msg);
		2065	}
1876		2066
1877	=item $success = $client->query ($flags, "text", \&cb)	2067	=item $success = $client->query ($flags, "text", \&cb)
1878		2068
1879	Queues a query to the client, calling the given callback with	2069	Queues a query to the client, calling the given callback with
1880	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1909	# get handled first	2099	# get handled first
1910	my $queue = delete $ns->{query_queue}	2100	my $queue = delete $ns->{query_queue}
1911	or return; # be conservative, not sure how that can happen, but we saw a crash here	2101	or return; # be conservative, not sure how that can happen, but we saw a crash here
1912		2102
1913	(shift @$queue)->[1]->($msg);	2103	(shift @$queue)->[1]->($msg);
		2104	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1914		2105
1915	push @{ $ns->{query_queue} }, @$queue;	2106	push @{ $ns->{query_queue} }, @$queue;
1916		2107
1917	if (@{ $ns->{query_queue} } == @$queue) {	2108	if (@{ $ns->{query_queue} } == @$queue) {
1918	if (@$queue) {	2109	if (@$queue) {
…		…
1976		2167
1977	# here we export the classes and methods available to script code	2168	# here we export the classes and methods available to script code
1978		2169
1979	=pod	2170	=pod
1980		2171
1981	The following fucntions and emthods are available within a safe environment:	2172	The following functions and methods are available within a safe environment:
1982		2173
1983	cf::object contr pay_amount pay_player map	2174	cf::object contr pay_amount pay_player map
1984	cf::object::player player	2175	cf::object::player player
1985	cf::player peaceful	2176	cf::player peaceful
1986	cf::map trigger	2177	cf::map trigger
…		…
2079	The parameter C<$family> should best start with the name of the extension	2270	The parameter C<$family> should best start with the name of the extension
2080	using it, it should be unique.	2271	using it, it should be unique.
2081		2272
2082	=over 4	2273	=over 4
2083		2274
2084	=item $hashref = cf::db_get $family
2085
2086	Return a hashref for use by the extension C<$family>, which can be
2087	modified. After modifications, you have to call C<cf::db_dirty> or
2088	C<cf::db_sync>.
2089
2090	=item $value = cf::db_get $family => $key	2275	=item $value = cf::db_get $family => $key
2091		2276
2092	Returns a single value from the database	2277	Returns a single value from the database.
2093
2094	=item cf::db_put $family => $hashref
2095
2096	Stores the given family hashref into the database. Updates are delayed, if
2097	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2098		2278
2099	=item cf::db_put $family => $key => $value	2279	=item cf::db_put $family => $key => $value
2100		2280
2101	Stores the given C<$value> in the family hash. Updates are delayed, if you	2281	Stores the given C<$value> in the family.
2102	want the data to be synced to disk immediately, use C<cf::db_sync>.
2103
2104	=item cf::db_dirty
2105
2106	Marks the database as dirty, to be updated at a later time.
2107
2108	=item cf::db_sync
2109
2110	Immediately write the database to disk I<if it is dirty>.
2111		2282
2112	=cut	2283	=cut
2113		2284
2114	our $DB;	2285	our $DB;
2115		2286
2116	{	2287	sub db_init {
		2288	unless ($DB) {
		2289	$DB = BDB::db_create $DB_ENV;
		2290
		2291	cf::sync_job {
		2292	eval {
		2293	$DB->set_flags (BDB::CHKSUM);
		2294
		2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2297	cf::cleanup "db_open(db): $!" if $!;
		2298	};
		2299	cf::cleanup "db_open(db): $@" if $@;
		2300	};
		2301
2117	my $path = cf::localdir . "/database.pst";	2302	my $path = cf::localdir . "/database.pst";
		2303	if (stat $path) {
		2304	cf::sync_job {
		2305	my $pst = Storable::retrieve $path;
2118		2306
2119	sub db_load() {	2307	cf::db_put (board => data => $pst->{board});
2120	$DB = stat $path ? Storable::retrieve $path : { };	2308	cf::db_put (guildrules => data => $pst->{guildrules});
2121	}	2309	cf::db_put (rent => balance => $pst->{rent}{balance});
		2310	BDB::db_env_txn_checkpoint $DB_ENV;
2122		2311
2123	my $pid;	2312	unlink $path;
2124
2125	sub db_save() {
2126	waitpid $pid, 0 if $pid;
2127	if (0 == ($pid = fork)) {
2128	$DB->{_meta}{version} = 1;
2129	Storable::nstore $DB, "$path~";
2130	rename "$path~", $path;
2131	cf::_exit 0 if defined $pid;
2132	}	2313	};
2133	}
2134
2135	my $dirty;
2136
2137	sub db_sync() {
2138	db_save if $dirty;
2139	undef $dirty;
2140	}
2141
2142	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2143	db_sync;
2144	});
2145
2146	sub db_dirty() {
2147	$dirty = 1;
2148	$idle->start;
2149	}
2150
2151	sub db_get($;$) {
2152	@_ >= 2
2153	? $DB->{$_[0]}{$_[1]}
2154	: ($DB->{$_[0]} ||= { })
2155	}
2156
2157	sub db_put($$;$) {
2158	if (@_ >= 3) {
2159	$DB->{$_[0]}{$_[1]} = $_[2];
2160	} else {
2161	$DB->{$_[0]} = $_[1];
2162	}
2163	db_dirty;
2164	}
2165
2166	cf::global->attach (
2167	prio => 10000,
2168	on_cleanup => sub {
2169	db_sync;
2170	},	2314	}
2171	);	2315	}
		2316	}
		2317
		2318	sub db_get($$) {
		2319	my $key = "$_[0]/$_[1]";
		2320
		2321	cf::sync_job {
		2322	BDB::db_get $DB, undef, $key, my $data;
		2323
		2324	$! ? ()
		2325	: Compress::LZF::sthaw $data
		2326	}
		2327	}
		2328
		2329	sub db_put($$$) {
		2330	BDB::dbreq_pri 4;
		2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2172	}	2332	}
2173		2333
2174	#############################################################################	2334	#############################################################################
2175	# the server's main()	2335	# the server's init and main functions
		2336
		2337	sub load_facedata {
		2338	my $path = sprintf "%s/facedata", cf::datadir;
		2339
		2340	warn "loading facedata from $path\n";
		2341
		2342	my $facedata;
		2343	0 < aio_load $path, $facedata
		2344	or die "$path: $!";
		2345
		2346	$facedata = Coro::Storable::thaw $facedata;
		2347
		2348	$facedata->{version} == 2
		2349	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2350
		2351	{
		2352	my $faces = $facedata->{faceinfo};
		2353
		2354	while (my ($face, $info) = each %$faces) {
		2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2359	Coro::cede;
		2360	}
		2361
		2362	while (my ($face, $info) = each %$faces) {
		2363	next unless $info->{smooth};
		2364	my $idx = cf::face::find $face
		2365	or next;
		2366	if (my $smooth = cf::face::find $info->{smooth}) {
		2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2368	} else {
		2369	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2370	}
		2371	Coro::cede;
		2372	}
		2373	}
		2374
		2375	{
		2376	my $anims = $facedata->{animinfo};
		2377
		2378	while (my ($anim, $info) = each %$anims) {
		2379	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2380	Coro::cede;
		2381	}
		2382
		2383	cf::anim::invalidate_all; # d'oh
		2384	}
		2385
		2386	1
		2387	}
		2388
		2389	sub load_archetypes {
		2390	load_archetype_file sprintf "%s/archetypes", cf::datadir; # remove when stable
		2391	load_archetype_file sprintf "%s/archetypes", cf::datadir
		2392	}
		2393
		2394	sub load_treasures {
		2395	load_treasure_file sprintf "%s/treasures", cf::datadir
		2396	}
		2397
		2398	sub reload_resources {
		2399	warn "reloading resource files...\n";
		2400
		2401	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2402	or die "unable to load regions file\n";
		2403	load_facedata
		2404	or die "unable to load facedata\n";
		2405	load_archetypes
		2406	or die "unable to load archetypes\n";
		2407	load_treasures
		2408	or die "unable to load treasurelists\n";
		2409
		2410	warn "finished reloading resource files\n";
		2411	}
		2412
		2413	sub init {
		2414	reload_resources;
		2415	}
2176		2416
2177	sub cfg_load {	2417	sub cfg_load {
2178	open my $fh, "<:utf8", cf::confdir . "/config"	2418	open my $fh, "<:utf8", cf::confdir . "/config"
2179	or return;	2419	or return;
2180		2420
…		…
2197		2437
2198	sub main {	2438	sub main {
2199	# we must not ever block the main coroutine	2439	# we must not ever block the main coroutine
2200	local $Coro::idle = sub {	2440	local $Coro::idle = sub {
2201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2441	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2442	(async {
2202	async { Event::one_event };	2443	Event::one_event;
		2444	})->prio (Coro::PRIO_MAX);
2203	};	2445	};
2204		2446
2205	cfg_load;	2447	cfg_load;
2206	db_load;	2448	db_init;
2207	load_extensions;	2449	load_extensions;
		2450
		2451	$TICK_WATCHER->start;
2208	Event::loop;	2452	Event::loop;
2209	}	2453	}
2210		2454
2211	#############################################################################	2455	#############################################################################
2212	# initialisation	2456	# initialisation and cleanup
		2457
		2458	# install some emergency cleanup handlers
		2459	BEGIN {
		2460	for my $signal (qw(INT HUP TERM)) {
		2461	Event->signal (
		2462	reentrant => 0,
		2463	data => WF_AUTOCANCEL,
		2464	signal => $signal,
		2465	prio => 0,
		2466	cb => sub {
		2467	cf::cleanup "SIG$signal";
		2468	},
		2469	);
		2470	}
		2471	}
		2472
		2473	sub emergency_save() {
		2474	my $freeze_guard = cf::freeze_mainloop;
		2475
		2476	warn "enter emergency perl save\n";
		2477
		2478	cf::sync_job {
		2479	# use a peculiar iteration method to avoid tripping on perl
		2480	# refcount bugs in for. also avoids problems with players
		2481	# and maps saved/destroyed asynchronously.
		2482	warn "begin emergency player save\n";
		2483	for my $login (keys %cf::PLAYER) {
		2484	my $pl = $cf::PLAYER{$login} or next;
		2485	$pl->valid or next;
		2486	$pl->save;
		2487	}
		2488	warn "end emergency player save\n";
		2489
		2490	warn "begin emergency map save\n";
		2491	for my $path (keys %cf::MAP) {
		2492	my $map = $cf::MAP{$path} or next;
		2493	$map->valid or next;
		2494	$map->save;
		2495	}
		2496	warn "end emergency map save\n";
		2497
		2498	warn "begin emergency database checkpoint\n";
		2499	BDB::db_env_txn_checkpoint $DB_ENV;
		2500	warn "end emergency database checkpoint\n";
		2501	};
		2502
		2503	warn "leave emergency perl save\n";
		2504	}
		2505
		2506	sub post_cleanup {
		2507	my ($make_core) = @_;
		2508
		2509	warn Carp::longmess "post_cleanup backtrace"
		2510	if $make_core;
		2511	}
2213		2512
2214	sub reload() {	2513	sub reload() {
2215	# can/must only be called in main	2514	# can/must only be called in main
2216	if ($Coro::current != $Coro::main) {	2515	if ($Coro::current != $Coro::main) {
2217	warn "can only reload from main coroutine\n";	2516	warn "can only reload from main coroutine";
2218	return;	2517	return;
2219	}	2518	}
2220		2519
2221	warn "reloading...";	2520	warn "reloading...";
2222		2521
2223	my $guard = freeze_mainloop;	2522	warn "entering sync_job";
		2523
		2524	cf::sync_job {
		2525	cf::write_runtime; # external watchdog should not bark
2224	cf::emergency_save;	2526	cf::emergency_save;
		2527	cf::write_runtime; # external watchdog should not bark
2225		2528
2226	eval {	2529	warn "syncing database to disk";
		2530	BDB::db_env_txn_checkpoint $DB_ENV;
		2531
2227	# if anything goes wrong in here, we should simply crash as we already saved	2532	# if anything goes wrong in here, we should simply crash as we already saved
2228		2533
2229	# cancel all watchers	2534	warn "cancelling all WF_AUTOCANCEL watchers";
2230	for (Event::all_watchers) {	2535	for (Event::all_watchers) {
2231	$_->cancel if $_->data & WF_AUTOCANCEL;	2536	$_->cancel if $_->data & WF_AUTOCANCEL;
2232	}	2537	}
2233		2538
		2539	warn "flushing outstanding aio requests";
		2540	for (;;) {
		2541	BDB::flush;
		2542	IO::AIO::flush;
		2543	Coro::cede;
		2544	last unless IO::AIO::nreqs || BDB::nreqs;
		2545	warn "iterate...";
		2546	}
		2547
		2548	++$RELOAD;
		2549
2234	# cancel all extension coros	2550	warn "cancelling all extension coros";
2235	$_->cancel for values %EXT_CORO;	2551	$_->cancel for values %EXT_CORO;
2236	%EXT_CORO = ();	2552	%EXT_CORO = ();
2237		2553
2238	# unload all extensions	2554	warn "removing commands";
2239	for (@exts) {	2555	%COMMAND = ();
		2556
		2557	warn "removing ext commands";
		2558	%EXTCMD = ();
		2559
		2560	warn "unloading/nuking all extensions";
		2561	for my $pkg (@EXTS) {
2240	warn "unloading <$_>";	2562	warn "... unloading $pkg";
2241	unload_extension $_;	2563
		2564	if (my $cb = $pkg->can ("unload")) {
		2565	eval {
		2566	$cb->($pkg);
		2567	1
		2568	} or warn "$pkg unloaded, but with errors: $@";
2242	}	2569	}
2243		2570
		2571	warn "... nuking $pkg";
		2572	Symbol::delete_package $pkg;
		2573	}
		2574
2244	# unload all modules loaded from $LIBDIR	2575	warn "unloading all perl modules loaded from $LIBDIR";
2245	while (my ($k, $v) = each %INC) {	2576	while (my ($k, $v) = each %INC) {
2246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2577	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2247		2578
2248	warn "removing <$k>";	2579	warn "... unloading $k";
2249	delete $INC{$k};	2580	delete $INC{$k};
2250		2581
2251	$k =~ s/\.pm$//;	2582	$k =~ s/\.pm$//;
2252	$k =~ s/\//::/g;	2583	$k =~ s/\//::/g;
2253		2584
…		…
2256	}	2587	}
2257		2588
2258	Symbol::delete_package $k;	2589	Symbol::delete_package $k;
2259	}	2590	}
2260		2591
2261	# sync database to disk
2262	cf::db_sync;
2263	IO::AIO::flush;
2264
2265	# get rid of safe::, as good as possible	2592	warn "getting rid of safe::, as good as possible";
2266	Symbol::delete_package "safe::$_"	2593	Symbol::delete_package "safe::$_"
2267	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2594	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2268		2595
2269	# remove register_script_function callbacks
2270	# TODO
2271
2272	# unload cf.pm "a bit"	2596	warn "unloading cf.pm \"a bit\"";
2273	delete $INC{"cf.pm"};	2597	delete $INC{"cf.pm"};
2274		2598
2275	# don't, removes xs symbols, too,	2599	# don't, removes xs symbols, too,
2276	# and global variables created in xs	2600	# and global variables created in xs
2277	#Symbol::delete_package __PACKAGE__;	2601	#Symbol::delete_package __PACKAGE__;
2278		2602
2279	# reload cf.pm	2603	warn "unload completed, starting to reload now";
		2604
2280	warn "reloading cf.pm";	2605	warn "reloading cf.pm";
2281	require cf;	2606	require cf;
2282	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2607	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2283		2608
2284	# load config and database again	2609	warn "loading config and database again";
2285	cf::cfg_load;	2610	cf::cfg_load;
2286	cf::db_load;
2287		2611
2288	# load extensions
2289	warn "load extensions";	2612	warn "loading extensions";
2290	cf::load_extensions;	2613	cf::load_extensions;
2291		2614
2292	# reattach attachments to objects	2615	warn "reattaching attachments to objects/players";
2293	warn "reattach";	2616	_global_reattach; # objects, sockets
2294	_global_reattach;	2617	warn "reattaching attachments to maps";
2295	reattach $_ for values %MAP;	2618	reattach $_ for values %MAP;
2296	};	2619	warn "reattaching attachments to players";
		2620	reattach $_ for values %PLAYER;
2297		2621
2298	if ($@) {	2622	warn "loading reloadable resources";
		2623	reload_resources;
		2624
		2625	warn "leaving sync_job";
		2626
		2627	1
		2628	} or do {
2299	warn $@;	2629	warn $@;
2300	warn "error while reloading, exiting.";	2630	warn "error while reloading, exiting.";
2301	exit 1;	2631	exit 1;
2302	}	2632	};
2303		2633
2304	warn "reloaded successfully";	2634	warn "reloaded";
2305	};	2635	};
2306		2636
2307	#############################################################################	2637	our $RELOAD_WATCHER; # used only during reload
2308
2309	unless ($LINK_MAP) {
2310	$LINK_MAP = cf::map::new;
2311
2312	$LINK_MAP->width (41);
2313	$LINK_MAP->height (41);
2314	$LINK_MAP->alloc;
2315	$LINK_MAP->path ("{link}");
2316	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2317	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2318
2319	# dirty hack because... archetypes are not yet loaded
2320	Event->timer (
2321	after => 10,
2322	cb => sub {
2323	$_[0]->w->cancel;
2324
2325	# provide some exits "home"
2326	my $exit = cf::object::new "exit";
2327
2328	$exit->slaying ($EMERGENCY_POSITION->[0]);
2329	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2330	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2331
2332	$LINK_MAP->insert ($exit->clone, 19, 19);
2333	$LINK_MAP->insert ($exit->clone, 19, 20);
2334	$LINK_MAP->insert ($exit->clone, 19, 21);
2335	$LINK_MAP->insert ($exit->clone, 20, 19);
2336	$LINK_MAP->insert ($exit->clone, 20, 21);
2337	$LINK_MAP->insert ($exit->clone, 21, 19);
2338	$LINK_MAP->insert ($exit->clone, 21, 20);
2339	$LINK_MAP->insert ($exit->clone, 21, 21);
2340
2341	$exit->destroy;
2342	});
2343
2344	$LINK_MAP->{deny_save} = 1;
2345	$LINK_MAP->{deny_reset} = 1;
2346
2347	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2348	}
2349
2350	register "<global>", __PACKAGE__;
2351		2638
2352	register_command "reload" => sub {	2639	register_command "reload" => sub {
2353	my ($who, $arg) = @_;	2640	my ($who, $arg) = @_;
2354		2641
2355	if ($who->flag (FLAG_WIZ)) {	2642	if ($who->flag (FLAG_WIZ)) {
2356	$who->message ("start of reload.");	2643	$who->message ("reloading server.");
		2644
		2645	# doing reload synchronously and two reloads happen back-to-back,
		2646	# coro crashes during coro_state_free->destroy here.
		2647
		2648	$RELOAD_WATCHER ||= Event->timer (
		2649	reentrant => 0,
		2650	after => 0,
		2651	data => WF_AUTOCANCEL,
		2652	cb => sub {
2357	reload;	2653	reload;
2358	$who->message ("end of reload.");	2654	undef $RELOAD_WATCHER;
		2655	},
		2656	);
2359	}	2657	}
2360	};	2658	};
2361		2659
2362	unshift @INC, $LIBDIR;	2660	unshift @INC, $LIBDIR;
		2661
		2662	my $bug_warning = 0;
		2663
		2664	our @WAIT_FOR_TICK;
		2665	our @WAIT_FOR_TICK_BEGIN;
		2666
		2667	sub wait_for_tick {
		2668	return unless $TICK_WATCHER->is_active;
		2669	return if $Coro::current == $Coro::main;
		2670
		2671	my $signal = new Coro::Signal;
		2672	push @WAIT_FOR_TICK, $signal;
		2673	$signal->wait;
		2674	}
		2675
		2676	sub wait_for_tick_begin {
		2677	return unless $TICK_WATCHER->is_active;
		2678	return if $Coro::current == $Coro::main;
		2679
		2680	my $signal = new Coro::Signal;
		2681	push @WAIT_FOR_TICK_BEGIN, $signal;
		2682	$signal->wait;
		2683	}
2363		2684
2364	$TICK_WATCHER = Event->timer (	2685	$TICK_WATCHER = Event->timer (
2365	reentrant => 0,	2686	reentrant => 0,
		2687	parked => 1,
2366	prio => 0,	2688	prio => 0,
2367	at => $NEXT_TICK || $TICK,	2689	at => $NEXT_TICK || $TICK,
2368	data => WF_AUTOCANCEL,	2690	data => WF_AUTOCANCEL,
2369	cb => sub {	2691	cb => sub {
		2692	if ($Coro::current != $Coro::main) {
		2693	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2694	unless ++$bug_warning > 10;
		2695	return;
		2696	}
		2697
		2698	$NOW = Event::time;
		2699
2370	cf::server_tick; # one server iteration	2700	cf::server_tick; # one server iteration
		2701
2371	$RUNTIME += $TICK;	2702	$RUNTIME += $TICK;
2372	$NEXT_TICK += $TICK;	2703	$NEXT_TICK += $TICK;
2373		2704
		2705	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2706	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2707	Coro::async_pool {
		2708	write_runtime
		2709	or warn "ERROR: unable to write runtime file: $!";
		2710	};
		2711	}
		2712
		2713	# my $AFTER = Event::time;
		2714	# warn $AFTER - $NOW;#d#
		2715
2374	# if we are delayed by four ticks or more, skip them all	2716	# if we are delayed by four ticks or more, skip them all
2375	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2717	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2376		2718
2377	$TICK_WATCHER->at ($NEXT_TICK);	2719	$TICK_WATCHER->at ($NEXT_TICK);
2378	$TICK_WATCHER->start;	2720	$TICK_WATCHER->start;
		2721
		2722	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2723	$sig->send;
		2724	}
		2725	while (my $sig = shift @WAIT_FOR_TICK) {
		2726	$sig->send;
		2727	}
		2728
		2729	_post_tick;
2379	},	2730	},
2380	);	2731	);
2381		2732
		2733	{
2382	IO::AIO::max_poll_time $TICK * 0.2;	2734	BDB::max_poll_time $TICK * 0.1;
2383		2735	$BDB_POLL_WATCHER = Event->io (
2384	Event->io (	2736	reentrant => 0,
2385	fd => IO::AIO::poll_fileno,	2737	fd => BDB::poll_fileno,
2386	poll => 'r',	2738	poll => 'r',
2387	prio => 5,	2739	prio => 0,
2388	data => WF_AUTOCANCEL,
2389	cb => \&IO::AIO::poll_cb,
2390	);
2391
2392	Event->timer (
2393	data => WF_AUTOCANCEL,	2740	data => WF_AUTOCANCEL,
2394	after => 0,	2741	cb => \&BDB::poll_cb,
2395	interval => 10,	2742	);
2396	cb => sub {	2743	BDB::min_parallel 8;
2397	(Coro::unblock_sub {	2744
2398	write_runtime	2745	BDB::set_sync_prepare {
2399	or warn "ERROR: unable to write runtime file: $!";	2746	my $status;
		2747	my $current = $Coro::current;
		2748	(
		2749	sub {
		2750	$status = $!;
		2751	$current->ready; undef $current;
		2752	},
		2753	sub {
		2754	Coro::schedule while defined $current;
		2755	$! = $status;
		2756	},
		2757	)
		2758	};
		2759
		2760	unless ($DB_ENV) {
		2761	$DB_ENV = BDB::db_env_create;
		2762
		2763	cf::sync_job {
		2764	eval {
		2765	BDB::db_env_open
		2766	$DB_ENV,
		2767	$BDB_ENV_DIR,
		2768	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2769	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2770	0666;
		2771
		2772	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2773
		2774	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2775	$DB_ENV->set_lk_detect;
		2776	};
		2777
		2778	cf::cleanup "db_env_open(db): $@" if $@;
2400	})->();	2779	};
2401	},	2780	}
2402	);	2781	}
		2782
		2783	{
		2784	IO::AIO::min_parallel 8;
		2785
		2786	undef $Coro::AIO::WATCHER;
		2787	IO::AIO::max_poll_time $TICK * 0.1;
		2788	$AIO_POLL_WATCHER = Event->io (
		2789	reentrant => 0,
		2790	data => WF_AUTOCANCEL,
		2791	fd => IO::AIO::poll_fileno,
		2792	poll => 'r',
		2793	prio => 6,
		2794	cb => \&IO::AIO::poll_cb,
		2795	);
		2796	}
2403		2797
2404	END { cf::emergency_save }	2798	END { cf::emergency_save }
2405		2799
2406	1	2800	1
2407		2801

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