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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.153 by root, Mon Jan 8 23:36:16 2007 UTC vs.
Revision 1.238 by root, Sat Apr 14 07:23:00 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 3.52 ();
		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 ();
		24	use Data::Dumper;
20	use Digest::MD5;	25	use Digest::MD5;
21	use Fcntl;	26	use Fcntl;
		27	use YAML::Syck ();
22	use IO::AIO 2.32 ();	28	use IO::AIO 2.32 ();
23	use YAML::Syck ();
24	use Time::HiRes;	29	use Time::HiRes;
		30	use Compress::LZF;
25		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
26	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
27		39
28	# 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?
29	$YAML::Syck::ImplicitUnicode = 1;	41	$YAML::Syck::ImplicitUnicode = 1;
30		42
31	$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
32		44
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		46
35	our %COMMAND = ();	47	our %COMMAND = ();
36	our %COMMAND_TIME = ();	48	our %COMMAND_TIME = ();
		49
		50	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	51	our %EXTCMD = ();
		52	our %EXT_CORO = (); # coroutines bound to extensions
		53	our %EXT_MAP = (); # pluggable maps
38		54
		55	our $RELOAD; # number of reloads so far
39	our @EVENT;	56	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	57	our $LIBDIR = datadir . "/ext";
41		58
42	our $TICK = MAX_TIME * 1e-6;	59	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	60	our $TICK_WATCHER;
		61	our $AIO_POLL_WATCHER;
		62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	63	our $NEXT_TICK;
45	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;
46		69
47	our %CFG;	70	our %CFG;
48		71
49	our $UPTIME; $UPTIME ||= time;	72	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	73	our $RUNTIME;
51		74
52	our %PLAYER; # all users	75	our %PLAYER; # all users
53	our %MAP; # all maps	76	our %MAP; # all maps
54	our $LINK_MAP; # the special {link} map	77	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	78	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO; # coroutines bound to extensions	79	our $BDB_ENV_DIR = cf::localdir . "/db";
		80
		81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		83
		84	# used to convert map paths into valid unix filenames by replacing / by ∕
		85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		86
58	binmode STDOUT;	87	binmode STDOUT;
59	binmode STDERR;	88	binmode STDERR;
60		89
61	# read virtual server time, if available	90	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	97	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	98	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	99	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	100	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	101	mkdir $RANDOM_MAPS;
		102	mkdir $BDB_ENV_DIR;
73		103
74	# a special map that is always available
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	104	our $EMERGENCY_POSITION;
		105
		106	sub cf::map::normalise;
77		107
78	#############################################################################	108	#############################################################################
79		109
80	=head2 GLOBAL VARIABLES	110	=head2 GLOBAL VARIABLES
81		111
…		…
105		135
106	=item %cf::CFG	136	=item %cf::CFG
107		137
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	138	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	from wherever your confdir points to.	139	from wherever your confdir points to.
		140
		141	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		142
		143	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		144	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		145	processing has been done. Call C<< ->wait >> on them to maximise the
		146	window of cpu time available, or simply to synchronise to the server tick.
110		147
111	=back	148	=back
112		149
113	=cut	150	=cut
114		151
…		…
146		183
147	$Event::DIED = sub {	184	$Event::DIED = sub {
148	warn "error in event callback: @_";	185	warn "error in event callback: @_";
149	};	186	};
150		187
151	my %ext_pkg;
152	my @exts;
153	my @hook;
154
155	=head2 UTILITY FUNCTIONS	188	=head2 UTILITY FUNCTIONS
156		189
157	=over 4	190	=over 4
158		191
159	=cut	192	=item dumpval $ref
160		193
		194	=cut
		195
		196	sub dumpval {
		197	eval {
		198	local $SIG{__DIE__};
		199	my $d;
		200	if (1) {
		201	$d = new Data::Dumper([$_[0]], ["*var"]);
		202	$d->Terse(1);
		203	$d->Indent(2);
		204	$d->Quotekeys(0);
		205	$d->Useqq(1);
		206	#$d->Bless(...);
		207	$d->Seen($_[1]) if @_ > 1;
		208	$d = $d->Dump();
		209	}
		210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		211	$d
		212	} || "[unable to dump $_[0]: '$@']";
		213	}
		214
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
162		216
163	=item $ref = cf::from_json $json	217	=item $ref = cf::from_json $json
164		218
165	Converts a JSON string into the corresponding perl data structure.	219	Converts a JSON string into the corresponding perl data structure.
166		220
167	=cut
168
169	sub from_json($) {
170	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171	JSON::Syck::Load $_[0]
172	}
173
174	=item $json = cf::to_json $ref	221	=item $json = cf::to_json $ref
175		222
176	Converts a perl data structure into its JSON representation.	223	Converts a perl data structure into its JSON representation.
177
178	=cut
179
180	sub to_json($) {
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
182	JSON::Syck::Dump $_[0]
183	}
184		224
185	=item cf::lock_wait $string	225	=item cf::lock_wait $string
186		226
187	Wait until the given lock is available. See cf::lock_acquire.	227	Wait until the given lock is available. See cf::lock_acquire.
188		228
…		…
225	}	265	}
226		266
227	sub freeze_mainloop {	267	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	268	return unless $TICK_WATCHER->is_active;
229		269
230	my $guard = Coro::guard { $TICK_WATCHER->start };	270	my $guard = Coro::guard {
		271	$TICK_WATCHER->start;
		272	};
231	$TICK_WATCHER->stop;	273	$TICK_WATCHER->stop;
232	$guard	274	$guard
233	}	275	}
234		276
235	=item cf::async { BLOCK }	277	=item cf::async { BLOCK }
…		…
287	}	329	}
288	}	330	}
289		331
290	=item $coro = cf::async_ext { BLOCK }	332	=item $coro = cf::async_ext { BLOCK }
291		333
292	Like async, but this coro is automcatially being canceled when the	334	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	335	extension calling this is being unloaded.
294		336
295	=cut	337	=cut
296		338
297	sub async_ext(&) {	339	sub async_ext(&) {
…		…
306		348
307	$coro	349	$coro
308	}	350	}
309		351
310	sub write_runtime {	352	sub write_runtime {
		353	my $guard = cf::lock_acquire "write_runtime";
		354
311	my $runtime = cf::localdir . "/runtime";	355	my $runtime = cf::localdir . "/runtime";
312		356
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
314	or return;	358	or return;
315		359
		360	my $value = $cf::RUNTIME + 90 + 10;
316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	361	# 10 is the runtime save interval, for a monotonic clock
		362	# 60 allows for the watchdog to kill the server.
		363
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0	364	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;	365	and return;
319		366
		367	# always fsync - this file is important
320	aio_fsync $fh	368	aio_fsync $fh
321	and return;	369	and return;
322		370
323	close $fh	371	close $fh
324	or return;	372	or return;
…		…
327	and return;	375	and return;
328		376
329	1	377	1
330	}	378	}
331		379
		380	=item cf::datalog type => key => value, ...
		381
		382	Log a datalog packet of the given type with the given key-value pairs.
		383
		384	=cut
		385
		386	sub datalog($@) {
		387	my ($type, %kv) = @_;
		388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		389	}
		390
332	=back	391	=back
333		392
334	=cut	393	=cut
335
336	#############################################################################
337
338	package cf::path;
339
340	sub new {
341	my ($class, $path, $base) = @_;
342
343	$path = $path->as_string if ref $path;
344
345	my $self = bless { }, $class;
346
347	# {... are special paths that are not touched
348	# ?xxx/... are special absolute paths
349	# ?random/... random maps
350	# /! non-realised random map exit
351	# /... normal maps
352	# ~/... per-player maps without a specific player (DO NOT USE)
353	# ~user/... per-player map of a specific user
354
355	if ($path =~ /^{/) {
356	# fine as it is
357	} elsif ($path =~ s{^\?random/}{}) {
358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359	$self->{random} = cf::from_json $data;
360	} else {
361	if ($path =~ s{^~([^/]+)?}{}) {
362	$self->{user_rel} = 1;
363
364	if (defined $1) {
365	$self->{user} = $1;
366	} elsif ($base =~ m{^~([^/]+)/}) {
367	$self->{user} = $1;
368	} else {
369	warn "cannot resolve user-relative path without user <$path,$base>\n";
370	}
371	} elsif ($path =~ /^\//) {
372	# already absolute
373	} else {
374	$base =~ s{[^/]+/?$}{};
375	return $class->new ("$base/$path");
376	}
377
378	for ($path) {
379	redo if s{/\.?/}{/};
380	redo if s{/[^/]+/\.\./}{/};
381	}
382	}
383
384	$self->{path} = $path;
385
386	$self
387	}
388
389	# the name / primary key / in-game path
390	sub as_string {
391	my ($self) = @_;
392
393	$self->{user_rel} ? "~$self->{user}$self->{path}"
394	: $self->{random} ? "?random/$self->{path}"
395	: $self->{path}
396	}
397
398	# the displayed name, this is a one way mapping
399	sub visible_name {
400	my ($self) = @_;
401
402	# if (my $rmp = $self->{random}) {
403	# # todo: be more intelligent about this
404	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405	# } else {
406	$self->as_string
407	# }
408	}
409
410	# escape the /'s in the path
411	sub _escaped_path {
412	# ∕ is U+2215
413	(my $path = $_[0]{path}) =~ s/\//∕/g;
414	$path
415	}
416
417	# the original (read-only) location
418	sub load_path {
419	my ($self) = @_;
420
421	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
422	}
423
424	# the temporary/swap location
425	sub save_path {
426	my ($self) = @_;
427
428	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431	}
432
433	# the unique path, might be eq to save_path
434	sub uniq_path {
435	my ($self) = @_;
436
437	$self->{user_rel} || $self->{random}
438	? undef
439	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440	}
441
442	# return random map parameters, or undef
443	sub random_map_params {
444	my ($self) = @_;
445
446	$self->{random}
447	}
448
449	# this is somewhat ugly, but style maps do need special treatment
450	sub is_style_map {
451	$_[0]{path} =~ m{^/styles/}
452	}
453
454	package cf;
455		394
456	#############################################################################	395	#############################################################################
457		396
458	=head2 ATTACHABLE OBJECTS	397	=head2 ATTACHABLE OBJECTS
459		398
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	524	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	525	our @CB_MAP = ();
587		526
588	my %attachment;	527	my %attachment;
589		528
		529	sub cf::attachable::thawer_merge {
		530	# simply override everything except _meta
		531	local $_[0]{_meta};
		532	%{$_[0]} = %{$_[1]};
		533	}
		534
590	sub _attach_cb($$$$) {	535	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	536	my ($registry, $event, $prio, $cb) = @_;
592		537
593	use sort 'stable';	538	use sort 'stable';
594		539
…		…
765	# object support	710	# object support
766		711
767	sub reattach {	712	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	713	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	714	my ($obj) = @_;
		715
		716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		717
771	my $registry = $obj->registry;	718	my $registry = $obj->registry;
772		719
773	@$registry = ();	720	@$registry = ();
774		721
…		…
821	$filename, length $$rdata, scalar @$objs;	768	$filename, length $$rdata, scalar @$objs;
822		769
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
826	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	774	close $fh;
828		775
829	if (@$objs) {	776	if (@$objs) {
830	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
831	chmod SAVE_MODE, $fh;	778	chmod SAVE_MODE, $fh;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	779	my $data = Storable::nfreeze { version => 1, objs => $objs };
833	aio_write $fh, 0, (length $data), $data, 0;	780	aio_write $fh, 0, (length $data), $data, 0;
834	aio_fsync $fh;	781	aio_fsync $fh if $cf::USE_FSYNC;
835	close $fh;	782	close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	783	aio_rename "$filename.pst~", "$filename.pst";
837	}	784	}
838	} else {	785	} else {
839	aio_unlink "$filename.pst";	786	aio_unlink "$filename.pst";
…		…
906	=cut	853	=cut
907		854
908	sub register_extcmd {	855	sub register_extcmd {
909	my ($name, $cb) = @_;	856	my ($name, $cb) = @_;
910		857
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	858	$EXTCMD{$name} = $cb;
915	}	859	}
916		860
917	cf::player->attach (	861	cf::player->attach (
918	on_command => sub {	862	on_command => sub {
919	my ($pl, $name, $params) = @_;	863	my ($pl, $name, $params) = @_;
…		…
932		876
933	my $msg = eval { from_json $buf };	877	my $msg = eval { from_json $buf };
934		878
935	if (ref $msg) {	879	if (ref $msg) {
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	881	if (my %reply = $cb->($pl, $msg)) {
938	$pl->ext_reply ($msg->{msgid}, %reply);	882	$pl->ext_reply ($msg->{msgid}, %reply);
939	}	883	}
940	}	884	}
941	} else {	885	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
944		888
945	cf::override;	889	cf::override;
946	},	890	},
947	);	891	);
948		892
949	sub register {
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {	893	sub load_extension {
956	my ($path) = @_;	894	my ($path) = @_;
957		895
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
959	my $base = $1;	897	my $base = $1;
960	my $pkg = $1;	898	my $pkg = $1;
961	$pkg =~ s/[^[:word:]]/_/g;	899	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";	900	$pkg = "ext::$pkg";
963		901
964	warn "loading '$path' into '$pkg'\n";	902	warn "... loading '$path' into '$pkg'\n";
965		903
966	open my $fh, "<:utf8", $path	904	open my $fh, "<:utf8", $path
967	or die "$path: $!";	905	or die "$path: $!";
968		906
969	my $source =	907	my $source =
970	"package $pkg; use strict; use utf8;\n"	908	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"	909	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })	910	. (do { local $/; <$fh> })
973	. "\n};\n1";	911	. "\n};\n1";
974		912
975	eval $source	913	unless (eval $source) {
976	or die $@ ? "$path: $@\n"	914	my $msg = $@ ? "$path: $@\n"
977	: "extension disabled.\n";	915	: "extension disabled.\n";
978		916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
979	push @exts, $pkg;	917	warn $@;
980	$ext_pkg{$base} = $pkg;	918	warn "mandatory extension failed to load, exiting.\n";
981		919	exit 1;
982	# no strict 'refs';	920	}
983	# @{"$pkg\::ISA"} = ext::;	921	die $@;
984
985	register $base, $pkg;
986	}
987
988	sub unload_extension {
989	my ($pkg) = @_;
990
991	warn "removing extension $pkg\n";
992
993	# remove hooks
994	#TODO
995	# for my $idx (0 .. $#PLUGIN_EVENT) {
996	# delete $hook[$idx]{$pkg};
997	# }	922	}
998		923
999	# remove commands	924	push @EXTS, $pkg;
1000	for my $name (keys %COMMAND) {
1001	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003	if (@cb) {
1004	$COMMAND{$name} = \@cb;
1005	} else {
1006	delete $COMMAND{$name};
1007	}
1008	}
1009
1010	# remove extcmds
1011	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012	delete $EXTCMD{$name};
1013	}
1014
1015	if (my $cb = $pkg->can ("unload")) {
1016	eval {
1017	$cb->($pkg);
1018	1
1019	} or warn "$pkg unloaded, but with errors: $@";
1020	}
1021
1022	Symbol::delete_package $pkg;
1023	}	925	}
1024		926
1025	sub load_extensions {	927	sub load_extensions {
1026	for my $ext (<$LIBDIR/*.ext>) {	928	for my $ext (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	929	next unless -r $ext;
…		…
1031	} or warn "$ext not loaded: $@";	933	} or warn "$ext not loaded: $@";
1032	}	934	}
1033	}	935	}
1034		936
1035	#############################################################################	937	#############################################################################
1036	# load/save/clean perl data associated with a map
1037
1038	*cf::mapsupport::on_clean = sub {
1039	my ($map) = @_;
1040
1041	my $path = $map->tmpname;
1042	defined $path or return;
1043
1044	unlink "$path.pst";
1045	};
1046
1047	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049	#############################################################################
1050	# load/save perl data associated with player->ob objects
1051
1052	sub all_objects(@) {
1053	@_, map all_objects ($_->inv), @_
1054	}
1055
1056	# TODO: compatibility cruft, remove when no longer needed
1057	cf::player->attach (
1058	on_load => sub {
1059	my ($pl, $path) = @_;
1060
1061	for my $o (all_objects $pl->ob) {
1062	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063	$o->set_ob_key_value ("_perl_data");
1064
1065	%$o = %{ Storable::thaw pack "H*", $value };
1066	}
1067	}
1068	},
1069	);
1070
1071	#############################################################################
1072		938
1073	=head2 CORE EXTENSIONS	939	=head2 CORE EXTENSIONS
1074		940
1075	Functions and methods that extend core crossfire objects.	941	Functions and methods that extend core crossfire objects.
1076		942
1077	=cut	943	=cut
1078		944
1079	package cf::player;	945	package cf::player;
		946
		947	use Coro::AIO;
1080		948
1081	=head3 cf::player	949	=head3 cf::player
1082		950
1083	=over 4	951	=over 4
1084		952
…		…
1097	}	965	}
1098		966
1099	sub path($) {	967	sub path($) {
1100	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1101		969
1102	(playerdir $login) . "/$login.pl"	970	(playerdir $login) . "/playerdata"
1103	}	971	}
1104		972
1105	sub find_active($) {	973	sub find_active($) {
1106	$cf::PLAYER{$_[0]}	974	$cf::PLAYER{$_[0]}
1107	and $cf::PLAYER{$_[0]}->active	975	and $cf::PLAYER{$_[0]}->active
…		…
1110		978
1111	sub exists($) {	979	sub exists($) {
1112	my ($login) = @_;	980	my ($login) = @_;
1113		981
1114	$cf::PLAYER{$login}	982	$cf::PLAYER{$login}
1115	or cf::sync_job { !aio_stat $login }	983	or cf::sync_job { !aio_stat path $login }
1116	}	984	}
1117		985
1118	sub find($) {	986	sub find($) {
1119	return $cf::PLAYER{$_[0]} || do {	987	return $cf::PLAYER{$_[0]} || do {
1120	my $login = $_[0];	988	my $login = $_[0];
1121		989
1122	my $guard = cf::lock_acquire "user_find:$login";	990	my $guard = cf::lock_acquire "user_find:$login";
1123		991
1124	$cf::PLAYER{$_[0]} || do {	992	$cf::PLAYER{$_[0]} || do {
		993	# rename old playerfiles to new ones
		994	#TODO: remove when no longer required
		995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		997	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		998	aio_unlink +(playerdir $login) . "/$login.pl";
		999
1125	my $pl = load_pl path $login	1000	my $pl = load_pl path $login
1126	or return;	1001	or return;
1127	$cf::PLAYER{$login} = $pl	1002	$cf::PLAYER{$login} = $pl
1128	}	1003	}
1129	}	1004	}
…		…
1137	my $path = path $pl;	1012	my $path = path $pl;
1138	my $guard = cf::lock_acquire "user_save:$path";	1013	my $guard = cf::lock_acquire "user_save:$path";
1139		1014
1140	return if $pl->{deny_save};	1015	return if $pl->{deny_save};
1141		1016
1142	Coro::AIO::aio_mkdir playerdir $pl, 0770;	1017	aio_mkdir playerdir $pl, 0770;
1143	$pl->{last_save} = $cf::RUNTIME;	1018	$pl->{last_save} = $cf::RUNTIME;
1144		1019
1145	$pl->save_pl ($path);	1020	$pl->save_pl ($path);
1146	Coro::cede;	1021	Coro::cede;
1147	}	1022	}
…		…
1157	$cf::PLAYER{$login} = $self;	1032	$cf::PLAYER{$login} = $self;
1158		1033
1159	$self	1034	$self
1160	}	1035	}
1161		1036
		1037	=item $pl->quit_character
		1038
		1039	Nukes the player without looking back. If logged in, the connection will
		1040	be destroyed. May block for a long time.
		1041
		1042	=cut
		1043
1162	sub quit_character {	1044	sub quit_character {
1163	my ($pl) = @_;	1045	my ($pl) = @_;
		1046
		1047	my $name = $pl->ob->name;
1164		1048
1165	$pl->{deny_save} = 1;	1049	$pl->{deny_save} = 1;
1166	$pl->password ("*"); # this should lock out the player until we nuked the dir	1050	$pl->password ("*"); # this should lock out the player until we nuked the dir
1167		1051
1168	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1170	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1171	$pl->ns->destroy if $pl->ns;	1055	$pl->ns->destroy if $pl->ns;
1172		1056
1173	my $path = playerdir $pl;	1057	my $path = playerdir $pl;
1174	my $temp = "$path~$cf::RUNTIME~deleting~";	1058	my $temp = "$path~$cf::RUNTIME~deleting~";
1175	Coro::AIO::aio_rename $path, $temp;	1059	aio_rename $path, $temp;
1176	delete $cf::PLAYER{$pl->ob->name};	1060	delete $cf::PLAYER{$pl->ob->name};
1177	$pl->destroy;	1061	$pl->destroy;
		1062
		1063	my $prefix = qr<^~\Q$name\E/>;
		1064
		1065	# nuke player maps
		1066	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1067
1178	IO::AIO::aio_rmtree $temp;	1068	IO::AIO::aio_rmtree $temp;
1179	}	1069	}
1180		1070
		1071	=item $pl->kick
		1072
		1073	Kicks a player out of the game. This destroys the connection.
		1074
		1075	=cut
		1076
		1077	sub kick {
		1078	my ($pl, $kicker) = @_;
		1079
		1080	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1081	$pl->killer ("kicked");
		1082	$pl->ns->destroy;
		1083	}
		1084
		1085	=item cf::player::list_logins
		1086
		1087	Returns am arrayref of all valid playernames in the system, can take a
		1088	while and may block, so not sync_job-capable, ever.
		1089
		1090	=cut
		1091
		1092	sub list_logins {
		1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1094	or return [];
		1095
		1096	my @logins;
		1097
		1098	for my $login (@$dirs) {
		1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1100	aio_read $fh, 0, 512, my $buf, 0 or next;
		1101	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1102
		1103	utf8::decode $login;
		1104	push @logins, $login;
		1105	}
		1106
		1107	\@logins
		1108	}
		1109
		1110	=item $player->maps
		1111
		1112	Returns an arrayref of map paths that are private for this
		1113	player. May block.
		1114
		1115	=cut
		1116
		1117	sub maps($) {
		1118	my ($pl) = @_;
		1119
		1120	$pl = ref $pl ? $pl->ob->name : $pl;
		1121
		1122	my $files = aio_readdir playerdir $pl
		1123	or return;
		1124
		1125	my @paths;
		1126
		1127	for (@$files) {
		1128	utf8::decode $_;
		1129	next if /\.(?:pl|pst)$/;
		1130	next unless /^$PATH_SEP/o;
		1131
		1132	push @paths, cf::map::normalise "~$pl/$_";
		1133	}
		1134
		1135	\@paths
		1136	}
		1137
1181	=item $player->ext_reply ($msgid, $msgtype, %msg)	1138	=item $player->ext_reply ($msgid, %msg)
1182		1139
1183	Sends an ext reply to the player.	1140	Sends an ext reply to the player.
1184		1141
1185	=cut	1142	=cut
1186		1143
1187	sub ext_reply($$$%) {	1144	sub ext_reply($$%) {
1188	my ($self, $id, %msg) = @_;	1145	my ($self, $id, %msg) = @_;
1189		1146
1190	$msg{msgid} = $id;	1147	$msg{msgid} = $id;
1191		1148
1192	$self->send ("ext " . cf::to_json \%msg);	1149	$self->send ("ext " . cf::to_json \%msg);
1193	}	1150	}
1194		1151
1195	package cf;	1152	=item $player->ext_event ($type, %msg)
		1153
		1154	Sends an ext event to the client.
		1155
		1156	=cut
		1157
		1158	sub ext_event($$%) {
		1159	my ($self, $type, %msg) = @_;
		1160
		1161	$self->ns->ext_event ($type, %msg);
		1162	}
		1163
		1164	=head3 cf::region
		1165
		1166	=over 4
		1167
		1168	=cut
		1169
		1170	package cf::region;
		1171
		1172	=item cf::region::find_by_path $path
		1173
		1174	Tries to decuce the probable region for a map knowing only its path.
		1175
		1176	=cut
		1177
		1178	sub find_by_path($) {
		1179	my ($path) = @_;
		1180
		1181	my ($match, $specificity);
		1182
		1183	for my $region (list) {
		1184	if ($region->match && $path =~ $region->match) {
		1185	($match, $specificity) = ($region, $region->specificity)
		1186	if $region->specificity > $specificity;
		1187	}
		1188	}
		1189
		1190	$match
		1191	}
1196		1192
1197	=back	1193	=back
1198
1199		1194
1200	=head3 cf::map	1195	=head3 cf::map
1201		1196
1202	=over 4	1197	=over 4
1203		1198
…		…
1206	package cf::map;	1201	package cf::map;
1207		1202
1208	use Fcntl;	1203	use Fcntl;
1209	use Coro::AIO;	1204	use Coro::AIO;
1210		1205
		1206	use overload
		1207	'""' => \&as_string,
		1208	fallback => 1;
		1209
1211	our $MAX_RESET = 3600;	1210	our $MAX_RESET = 3600;
1212	our $DEFAULT_RESET = 3000;	1211	our $DEFAULT_RESET = 3000;
1213		1212
1214	sub generate_random_map {	1213	sub generate_random_map {
1215	my ($path, $rmp) = @_;	1214	my ($self, $rmp) = @_;
1216
1217	# mit "rum" bekleckern, nicht	1215	# mit "rum" bekleckern, nicht
1218	cf::map::_create_random_map	1216	$self->_create_random_map (
1219	$path,
1220	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1221	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1222	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1223	$rmp->{exit_on_final_map},	1220	$rmp->{exit_on_final_map},
1224	$rmp->{xsize}, $rmp->{ysize},	1221	$rmp->{xsize}, $rmp->{ysize},
1225	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1226	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1227	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1224	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1228	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1225	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1229	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1230	(cf::region::find $rmp->{region})	1227	(cf::region::find $rmp->{region}), $rmp->{custom}
		1228	)
		1229	}
		1230
		1231	=item cf::map->register ($regex, $prio)
		1232
		1233	Register a handler for the map path matching the given regex at the
		1234	givne priority (higher is better, built-in handlers have priority 0, the
		1235	default).
		1236
		1237	=cut
		1238
		1239	sub register {
		1240	my (undef, $regex, $prio) = @_;
		1241	my $pkg = caller;
		1242
		1243	no strict;
		1244	push @{"$pkg\::ISA"}, __PACKAGE__;
		1245
		1246	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1247	}
		1248
		1249	# also paths starting with '/'
		1250	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1251
		1252	sub thawer_merge {
		1253	my ($self, $merge) = @_;
		1254
		1255	# we have to keep some variables in memory intact
		1256	local $self->{path};
		1257	local $self->{load_path};
		1258	local $self->{deny_save};
		1259	local $self->{deny_reset};
		1260
		1261	$self->SUPER::thawer_merge ($merge);
		1262	}
		1263
		1264	sub normalise {
		1265	my ($path, $base) = @_;
		1266
		1267	$path = "$path"; # make sure its a string
		1268
		1269	$path =~ s/\.map$//;
		1270
		1271	# map plan:
		1272	#
		1273	# /! non-realised random map exit (special hack!)
		1274	# {... are special paths that are not being touched
		1275	# ?xxx/... are special absolute paths
		1276	# ?random/... random maps
		1277	# /... normal maps
		1278	# ~user/... per-player map of a specific user
		1279
		1280	$path =~ s/$PATH_SEP/\//go;
		1281
		1282	# treat it as relative path if it starts with
		1283	# something that looks reasonable
		1284	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1285	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1286
		1287	$base =~ s{[^/]+/?$}{};
		1288	$path = "$base/$path";
		1289	}
		1290
		1291	for ($path) {
		1292	redo if s{//}{/};
		1293	redo if s{/\.?/}{/};
		1294	redo if s{/[^/]+/\.\./}{/};
		1295	}
		1296
		1297	$path
		1298	}
		1299
		1300	sub new_from_path {
		1301	my (undef, $path, $base) = @_;
		1302
		1303	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1304
		1305	$path = normalise $path, $base;
		1306
		1307	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1308	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1309	my $self = bless cf::map::new, $pkg;
		1310	$self->{path} = $path; $self->path ($path);
		1311	$self->init; # pass $1 etc.
		1312	return $self;
		1313	}
		1314	}
		1315
		1316	Carp::carp "unable to resolve path '$path' (base '$base').";
		1317	()
		1318	}
		1319
		1320	sub init {
		1321	my ($self) = @_;
		1322
		1323	$self
		1324	}
		1325
		1326	sub as_string {
		1327	my ($self) = @_;
		1328
		1329	"$self->{path}"
		1330	}
		1331
		1332	# the displayed name, this is a one way mapping
		1333	sub visible_name {
		1334	&as_string
		1335	}
		1336
		1337	# the original (read-only) location
		1338	sub load_path {
		1339	my ($self) = @_;
		1340
		1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1342	}
		1343
		1344	# the temporary/swap location
		1345	sub save_path {
		1346	my ($self) = @_;
		1347
		1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1350	}
		1351
		1352	# the unique path, undef == no special unique path
		1353	sub uniq_path {
		1354	my ($self) = @_;
		1355
		1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1231	}	1358	}
1232		1359
1233	# and all this just because we cannot iterate over	1360	# and all this just because we cannot iterate over
1234	# all maps in C++...	1361	# all maps in C++...
1235	sub change_all_map_light {	1362	sub change_all_map_light {
…		…
1237		1364
1238	$_->change_map_light ($change)	1365	$_->change_map_light ($change)
1239	for grep $_->outdoor, values %cf::MAP;	1366	for grep $_->outdoor, values %cf::MAP;
1240	}	1367	}
1241		1368
		1369	sub unlink_save {
		1370	my ($self) = @_;
		1371
		1372	utf8::encode (my $save = $self->save_path);
		1373	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1374	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1375	}
		1376
1242	sub try_load_header($) {	1377	sub load_header_from($) {
1243	my ($path) = @_;	1378	my ($self, $path) = @_;
1244		1379
1245	utf8::encode $path;	1380	utf8::encode $path;
1246	aio_open $path, O_RDONLY, 0	1381	#aio_open $path, O_RDONLY, 0
		1382	# or return;
		1383
		1384	$self->_load_header ($path)
1247	or return;	1385	or return;
1248		1386
1249	my $map = cf::map::new	1387	$self->{load_path} = $path;
		1388
		1389	1
		1390	}
		1391
		1392	sub load_header_orig {
		1393	my ($self) = @_;
		1394
		1395	$self->load_header_from ($self->load_path)
		1396	}
		1397
		1398	sub load_header_temp {
		1399	my ($self) = @_;
		1400
		1401	$self->load_header_from ($self->save_path)
		1402	}
		1403
		1404	sub prepare_temp {
		1405	my ($self) = @_;
		1406
		1407	$self->last_access ((delete $self->{last_access})
		1408	|| $cf::RUNTIME); #d#
		1409	# safety
		1410	$self->{instantiate_time} = $cf::RUNTIME
		1411	if $self->{instantiate_time} > $cf::RUNTIME;
		1412	}
		1413
		1414	sub prepare_orig {
		1415	my ($self) = @_;
		1416
		1417	$self->{load_original} = 1;
		1418	$self->{instantiate_time} = $cf::RUNTIME;
		1419	$self->last_access ($cf::RUNTIME);
		1420	$self->instantiate;
		1421	}
		1422
		1423	sub load_header {
		1424	my ($self) = @_;
		1425
		1426	if ($self->load_header_temp) {
		1427	$self->prepare_temp;
		1428	} else {
		1429	$self->load_header_orig
1250	or return;	1430	or return;
		1431	$self->prepare_orig;
		1432	}
1251		1433
1252	# for better error messages only, will be overwritten	1434	$self->default_region (cf::region::find_by_path $self->{path})
1253	$map->path ($path);	1435	unless $self->default_region;
1254		1436
1255	$map->load_header ($path)	1437	1
1256	or return;
1257
1258	$map->{load_path} = $path;
1259
1260	$map
1261	}	1438	}
1262		1439
1263	sub find;	1440	sub find;
1264	sub find {	1441	sub find {
1265	my ($path, $origin) = @_;	1442	my ($path, $origin) = @_;
1266		1443
1267	#warn "find<$path,$origin>\n";#d#
1268
1269	$path = new cf::path $path, $origin && $origin->path;	1444	$path = normalise $path, $origin && $origin->path;
1270	my $key = $path->as_string;
1271		1445
1272	cf::lock_wait "map_find:$key";	1446	cf::lock_wait "map_find:$path";
1273		1447
1274	$cf::MAP{$key} || do {	1448	$cf::MAP{$path} || do {
1275	my $guard = cf::lock_acquire "map_find:$key";	1449	my $guard = cf::lock_acquire "map_find:$path";
1276		1450	my $map = new_from_path cf::map $path
1277	# do it the slow way
1278	my $map = try_load_header $path->save_path;
1279
1280	Coro::cede;
1281
1282	if ($map) {
1283	$map->last_access ((delete $map->{last_access})
1284	|| $cf::RUNTIME); #d#
1285	# safety
1286	$map->{instantiate_time} = $cf::RUNTIME
1287	if $map->{instantiate_time} > $cf::RUNTIME;
1288	} else {
1289	if (my $rmp = $path->random_map_params) {
1290	$map = generate_random_map $key, $rmp;
1291	} else {
1292	$map = try_load_header $path->load_path;
1293	}
1294
1295	$map or return;	1451	or return;
1296		1452
1297	$map->{load_original} = 1;
1298	$map->{instantiate_time} = $cf::RUNTIME;
1299	$map->last_access ($cf::RUNTIME);
1300	$map->instantiate;
1301
1302	# per-player maps become, after loading, normal maps
1303	$map->per_player (0) if $path->{user_rel};
1304	}
1305
1306	$map->path ($key);
1307	$map->{path} = $path;
1308	$map->{last_save} = $cf::RUNTIME;	1453	$map->{last_save} = $cf::RUNTIME;
1309		1454
1310	Coro::cede;	1455	$map->load_header
		1456	or return;
1311		1457
1312	if ($map->should_reset) {	1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1459	# doing this can freeze the server in a sync job, obviously
		1460	#$cf::WAIT_FOR_TICK->wait;
1313	$map->reset;	1461	$map->reset;
1314	undef $guard;	1462	undef $guard;
1315	$map = find $path	1463	return find $path;
1316	or return;
1317	}	1464	}
1318		1465
1319	$cf::MAP{$key} = $map	1466	$cf::MAP{$path} = $map
1320	}	1467	}
1321	}	1468	}
		1469
		1470	sub pre_load { }
		1471	sub post_load { }
1322		1472
1323	sub load {	1473	sub load {
1324	my ($self) = @_;	1474	my ($self) = @_;
1325		1475
		1476	local $self->{deny_reset} = 1; # loading can take a long time
		1477
1326	my $path = $self->{path};	1478	my $path = $self->{path};
1327	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1479	my $guard = cf::lock_acquire "map_load:$path";
1328		1480
1329	return if $self->in_memory != cf::MAP_SWAPPED;	1481	return if $self->in_memory != cf::MAP_SWAPPED;
1330		1482
1331	$self->in_memory (cf::MAP_LOADING);	1483	$self->in_memory (cf::MAP_LOADING);
1332		1484
1333	$self->alloc;	1485	$self->alloc;
		1486
		1487	$self->pre_load;
		1488
1334	$self->load_objects ($self->{load_path}, 1)	1489	$self->_load_objects ($self->{load_path}, 1)
1335	or return;	1490	or return;
1336		1491
1337	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1492	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1338	if delete $self->{load_original};	1493	if delete $self->{load_original};
1339		1494
1340	if (my $uniq = $path->uniq_path) {	1495	if (my $uniq = $self->uniq_path) {
1341	utf8::encode $uniq;	1496	utf8::encode $uniq;
1342	if (aio_open $uniq, O_RDONLY, 0) {	1497	if (aio_open $uniq, O_RDONLY, 0) {
1343	$self->clear_unique_items;	1498	$self->clear_unique_items;
1344	$self->load_objects ($uniq, 0);	1499	$self->_load_objects ($uniq, 0);
1345	}	1500	}
1346	}	1501	}
1347		1502
1348	Coro::cede;	1503	Coro::cede;
1349		1504
1350	# now do the right thing for maps	1505	# now do the right thing for maps
1351	$self->link_multipart_objects;	1506	$self->link_multipart_objects;
1352		1507
1353	if ($self->{path}->is_style_map) {	1508	unless ($self->{deny_activate}) {
1354	$self->{deny_save} = 1;	1509	$self->decay_objects;
1355	$self->{deny_reset} = 1;
1356	} else {
1357	$self->fix_auto_apply;	1510	$self->fix_auto_apply;
1358	$self->decay_objects;
1359	$self->update_buttons;	1511	$self->update_buttons;
		1512	Coro::cede;
1360	$self->set_darkness_map;	1513	$self->set_darkness_map;
1361	$self->difficulty ($self->estimate_difficulty)	1514	$self->difficulty ($self->estimate_difficulty)
1362	unless $self->difficulty;	1515	unless $self->difficulty;
		1516	Coro::cede;
1363	$self->activate;	1517	$self->activate;
1364	}	1518	}
1365		1519
1366	Coro::cede;	1520	$self->post_load;
1367		1521
1368	$self->in_memory (cf::MAP_IN_MEMORY);	1522	$self->in_memory (cf::MAP_IN_MEMORY);
		1523	}
		1524
		1525	sub customise_for {
		1526	my ($self, $ob) = @_;
		1527
		1528	return find "~" . $ob->name . "/" . $self->{path}
		1529	if $self->per_player;
		1530
		1531	$self
		1532	}
		1533
		1534	# find and load all maps in the 3x3 area around a map
		1535	sub load_diag {
		1536	my ($map) = @_;
		1537
		1538	my @diag; # diagonal neighbours
		1539
		1540	for (0 .. 3) {
		1541	my $neigh = $map->tile_path ($_)
		1542	or next;
		1543	$neigh = find $neigh, $map
		1544	or next;
		1545	$neigh->load;
		1546
		1547	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1548	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1549	}
		1550
		1551	for (@diag) {
		1552	my $neigh = find @$_
		1553	or next;
		1554	$neigh->load;
		1555	}
1369	}	1556	}
1370		1557
1371	sub find_sync {	1558	sub find_sync {
1372	my ($path, $origin) = @_;	1559	my ($path, $origin) = @_;
1373		1560
1374	cf::sync_job { cf::map::find $path, $origin }	1561	cf::sync_job { find $path, $origin }
1375	}	1562	}
1376		1563
1377	sub do_load_sync {	1564	sub do_load_sync {
1378	my ($map) = @_;	1565	my ($map) = @_;
1379		1566
1380	cf::sync_job { $map->load };	1567	cf::sync_job { $map->load };
1381	}	1568	}
1382		1569
		1570	our %MAP_PREFETCH;
		1571	our $MAP_PREFETCHER = undef;
		1572
		1573	sub find_async {
		1574	my ($path, $origin) = @_;
		1575
		1576	$path = normalise $path, $origin && $origin->{path};
		1577
		1578	if (my $map = $cf::MAP{$path}) {
		1579	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1580	}
		1581
		1582	undef $MAP_PREFETCH{$path};
		1583	$MAP_PREFETCHER ||= cf::async {
		1584	while (%MAP_PREFETCH) {
		1585	for my $path (keys %MAP_PREFETCH) {
		1586	my $map = find $path
		1587	or next;
		1588	$map->load;
		1589
		1590	delete $MAP_PREFETCH{$path};
		1591	}
		1592	}
		1593	undef $MAP_PREFETCHER;
		1594	};
		1595	$MAP_PREFETCHER->prio (6);
		1596
		1597	()
		1598	}
		1599
1383	sub save {	1600	sub save {
1384	my ($self) = @_;	1601	my ($self) = @_;
1385		1602
1386	my $lock = cf::lock_acquire "map_data:" . $self->path;	1603	my $lock = cf::lock_acquire "map_data:" . $self->path;
1387		1604
1388	$self->{last_save} = $cf::RUNTIME;	1605	$self->{last_save} = $cf::RUNTIME;
1389		1606
1390	return unless $self->dirty;	1607	return unless $self->dirty;
1391		1608
1392	my $save = $self->{path}->save_path; utf8::encode $save;	1609	my $save = $self->save_path; utf8::encode $save;
1393	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1610	my $uniq = $self->uniq_path; utf8::encode $uniq;
1394		1611
1395	$self->{load_path} = $save;	1612	$self->{load_path} = $save;
1396		1613
1397	return if $self->{deny_save};	1614	return if $self->{deny_save};
1398		1615
…		…
1401	cf::async {	1618	cf::async {
1402	$_->contr->save for $self->players;	1619	$_->contr->save for $self->players;
1403	};	1620	};
1404		1621
1405	if ($uniq) {	1622	if ($uniq) {
1406	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1623	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1407	$self->save_objects ($uniq, cf::IO_UNIQUES);	1624	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1408	} else {	1625	} else {
1409	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1410	}	1627	}
1411	}	1628	}
1412		1629
1413	sub swap_out {	1630	sub swap_out {
1414	my ($self) = @_;	1631	my ($self) = @_;
…		…
1428		1645
1429	sub reset_at {	1646	sub reset_at {
1430	my ($self) = @_;	1647	my ($self) = @_;
1431		1648
1432	# TODO: safety, remove and allow resettable per-player maps	1649	# TODO: safety, remove and allow resettable per-player maps
1433	return 1e99 if $self->{path}{user_rel};	1650	return 1e99 if $self->isa ("ext::map_per_player");#d#
1434	return 1e99 if $self->{deny_reset};	1651	return 1e99 if $self->{deny_reset};
1435		1652
1436	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1653	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1437	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1654	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1438		1655
…		…
1443	my ($self) = @_;	1660	my ($self) = @_;
1444		1661
1445	$self->reset_at <= $cf::RUNTIME	1662	$self->reset_at <= $cf::RUNTIME
1446	}	1663	}
1447		1664
1448	sub unlink_save {
1449	my ($self) = @_;
1450
1451	utf8::encode (my $save = $self->{path}->save_path);
1452	aioreq_pri 3; IO::AIO::aio_unlink $save;
1453	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1454	}
1455
1456	sub rename {
1457	my ($self, $new_path) = @_;
1458
1459	$self->unlink_save;
1460
1461	delete $cf::MAP{$self->path};
1462	$self->{path} = new cf::path $new_path;
1463	$self->path ($self->{path}->as_string);
1464	$cf::MAP{$self->path} = $self;
1465
1466	$self->save;
1467	}
1468
1469	sub reset {	1665	sub reset {
1470	my ($self) = @_;	1666	my ($self) = @_;
1471		1667
1472	my $lock = cf::lock_acquire "map_data:" . $self->path;	1668	my $lock = cf::lock_acquire "map_data:$self->{path}";
1473		1669
1474	return if $self->players;	1670	return if $self->players;
1475	return if $self->{path}{user_rel};#d#	1671	return if $self->isa ("ext::map_per_player");#d#
1476		1672
1477	warn "resetting map ", $self->path;#d#	1673	warn "resetting map ", $self->path;#d#
1478		1674
		1675	$self->in_memory (cf::MAP_SWAPPED);
		1676
		1677	# need to save uniques path
		1678	unless ($self->{deny_save}) {
		1679	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1680
		1681	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1682	if $uniq;
		1683	}
		1684
1479	delete $cf::MAP{$self->path};	1685	delete $cf::MAP{$self->path};
		1686
		1687	$self->clear;
1480		1688
1481	$_->clear_links_to ($self) for values %cf::MAP;	1689	$_->clear_links_to ($self) for values %cf::MAP;
1482		1690
1483	$self->unlink_save;	1691	$self->unlink_save;
1484	$self->destroy;	1692	$self->destroy;
…		…
1487	my $nuke_counter = "aaaa";	1695	my $nuke_counter = "aaaa";
1488		1696
1489	sub nuke {	1697	sub nuke {
1490	my ($self) = @_;	1698	my ($self) = @_;
1491		1699
		1700	delete $cf::MAP{$self->path};
		1701
		1702	$self->unlink_save;
		1703
		1704	bless $self, "cf::map";
		1705	delete $self->{deny_reset};
1492	$self->{deny_save} = 1;	1706	$self->{deny_save} = 1;
1493	$self->reset_timeout (1);	1707	$self->reset_timeout (1);
1494	$self->rename ("{nuke}/" . ($nuke_counter++));	1708	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1709
		1710	$cf::MAP{$self->path} = $self;
		1711
1495	$self->reset; # polite request, might not happen	1712	$self->reset; # polite request, might not happen
1496	}	1713	}
1497		1714
1498	sub customise_for {	1715	=item cf::map::unique_maps
1499	my ($map, $ob) = @_;
1500		1716
1501	if ($map->per_player) {	1717	Returns an arrayref of paths of all shared maps that have
1502	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1718	instantiated unique items. May block.
1503	}
1504		1719
1505	$map	1720	=cut
1506	}
1507		1721
1508	sub emergency_save {	1722	sub unique_maps() {
1509	my $freeze_guard = cf::freeze_mainloop;	1723	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1724	or return;
1510		1725
1511	warn "enter emergency perl save\n";	1726	my @paths;
1512		1727
1513	cf::sync_job {	1728	for (@$files) {
1514	warn "begin emergency player save\n";	1729	utf8::decode $_;
1515	$_->save for values %cf::PLAYER;	1730	next if /\.pst$/;
1516	warn "end emergency player save\n";	1731	next unless /^$PATH_SEP/o;
1517		1732
1518	warn "begin emergency map save\n";	1733	push @paths, cf::map::normalise $_;
1519	$_->save for values %cf::MAP;
1520	warn "end emergency map save\n";
1521	};	1734	}
1522		1735
1523	warn "leave emergency perl save\n";	1736	\@paths
1524	}	1737	}
1525		1738
1526	package cf;	1739	package cf;
1527		1740
1528	=back	1741	=back
1529		1742
		1743	=head3 cf::object
		1744
		1745	=cut
		1746
		1747	package cf::object;
		1748
		1749	=over 4
		1750
		1751	=item $ob->inv_recursive
		1752
		1753	Returns the inventory of the object _and_ their inventories, recursively.
		1754
		1755	=cut
		1756
		1757	sub inv_recursive_;
		1758	sub inv_recursive_ {
		1759	map { $_, inv_recursive_ $_->inv } @_
		1760	}
		1761
		1762	sub inv_recursive {
		1763	inv_recursive_ inv $_[0]
		1764	}
		1765
		1766	package cf;
		1767
		1768	=back
1530		1769
1531	=head3 cf::object::player	1770	=head3 cf::object::player
1532		1771
1533	=over 4	1772	=over 4
1534		1773
…		…
1574		1813
1575	=item $player_object->enter_link	1814	=item $player_object->enter_link
1576		1815
1577	Freezes the player and moves him/her to a special map (C<{link}>).	1816	Freezes the player and moves him/her to a special map (C<{link}>).
1578		1817
1579	The player should be reaosnably safe there for short amounts of time. You	1818	The player should be reasonably safe there for short amounts of time. You
1580	I<MUST> call C<leave_link> as soon as possible, though.	1819	I<MUST> call C<leave_link> as soon as possible, though.
1581		1820
		1821	Will never block.
		1822
1582	=item $player_object->leave_link ($map, $x, $y)	1823	=item $player_object->leave_link ($map, $x, $y)
1583		1824
1584	Moves the player out of the specila link map onto the given map. If the	1825	Moves the player out of the special C<{link}> map onto the specified
1585	map is not valid (or omitted), the player will be moved back to the	1826	map. If the map is not valid (or omitted), the player will be moved back
1586	location he/she was before the call to C<enter_link>, or, if that fails,	1827	to the location he/she was before the call to C<enter_link>, or, if that
1587	to the emergency map position.	1828	fails, to the emergency map position.
1588		1829
1589	Might block.	1830	Might block.
1590		1831
1591	=cut	1832	=cut
		1833
		1834	sub link_map {
		1835	unless ($LINK_MAP) {
		1836	$LINK_MAP = cf::map::find "{link}"
		1837	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1838	$LINK_MAP->load;
		1839	}
		1840
		1841	$LINK_MAP
		1842	}
1592		1843
1593	sub cf::object::player::enter_link {	1844	sub cf::object::player::enter_link {
1594	my ($self) = @_;	1845	my ($self) = @_;
1595		1846
1596	$self->deactivate_recursive;	1847	$self->deactivate_recursive;
1597		1848
1598	return if $self->map == $LINK_MAP;	1849	return if UNIVERSAL::isa $self->map, "ext::map_link";
1599		1850
1600	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1851	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1601	if $self->map;	1852	if $self->map;
1602		1853
1603	$self->enter_map ($LINK_MAP, 20, 20);	1854	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1604	}	1855	}
1605		1856
1606	sub cf::object::player::leave_link {	1857	sub cf::object::player::leave_link {
1607	my ($self, $map, $x, $y) = @_;	1858	my ($self, $map, $x, $y) = @_;
1608		1859
…		…
1626	# use -1 or undef as default coordinates, not 0, 0	1877	# use -1 or undef as default coordinates, not 0, 0
1627	($x, $y) = ($map->enter_x, $map->enter_y)	1878	($x, $y) = ($map->enter_x, $map->enter_y)
1628	if $x <=0 && $y <= 0;	1879	if $x <=0 && $y <= 0;
1629		1880
1630	$map->load;	1881	$map->load;
		1882	$map->load_diag;
1631		1883
1632	return unless $self->contr->active;	1884	return unless $self->contr->active;
1633	$self->activate_recursive;	1885	$self->activate_recursive;
		1886
		1887	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1634	$self->enter_map ($map, $x, $y);	1888	$self->enter_map ($map, $x, $y);
1635	}	1889	}
1636		1890
1637	cf::player->attach (	1891	cf::player->attach (
1638	on_logout => sub {	1892	on_logout => sub {
…		…
1651	# try to abort aborted map switching on player login :)	1905	# try to abort aborted map switching on player login :)
1652	# should happen only on crashes	1906	# should happen only on crashes
1653	if ($pl->ob->{_link_pos}) {	1907	if ($pl->ob->{_link_pos}) {
1654	$pl->ob->enter_link;	1908	$pl->ob->enter_link;
1655	(async {	1909	(async {
1656	# we need this sleep as the login has a concurrent enter_exit running
1657	# and this sleep increases chances of the player not ending up in scorn
1658	$pl->ob->reply (undef,	1910	$pl->ob->reply (undef,
1659	"There was an internal problem at your last logout, "	1911	"There was an internal problem at your last logout, "
1660	. "the server will try to bring you to your intended destination in a second.",	1912	. "the server will try to bring you to your intended destination in a second.",
1661	cf::NDI_RED);	1913	cf::NDI_RED);
		1914	# we need this sleep as the login has a concurrent enter_exit running
		1915	# and this sleep increases chances of the player not ending up in scorn
1662	Coro::Timer::sleep 1;	1916	Coro::Timer::sleep 1;
1663	$pl->ob->leave_link;	1917	$pl->ob->leave_link;
1664	})->prio (2);	1918	})->prio (2);
1665	}	1919	}
1666	},	1920	},
…		…
1671	=cut	1925	=cut
1672		1926
1673	sub cf::object::player::goto {	1927	sub cf::object::player::goto {
1674	my ($self, $path, $x, $y) = @_;	1928	my ($self, $path, $x, $y) = @_;
1675		1929
1676	$path = new cf::path $path;
1677	$path ne "/" or Carp::cluck ("oy");#d#
1678
1679	$self->enter_link;	1930	$self->enter_link;
1680		1931
1681	(async {	1932	(async {
		1933	my $map = eval {
1682	my $map = cf::map::find $path->as_string;	1934	my $map = cf::map::find $path;
1683	$map = $map->customise_for ($self) if $map;	1935	$map = $map->customise_for ($self) if $map;
1684		1936	$map
1685	# warn "entering ", $map->path, " at ($x, $y)\n"	1937	} or
1686	# if $map;
1687
1688	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1938	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1689		1939
1690	$self->leave_link ($map, $x, $y);	1940	$self->leave_link ($map, $x, $y);
1691	})->prio (1);	1941	})->prio (1);
1692	}	1942	}
1693		1943
…		…
1697		1947
1698	sub parse_random_map_params {	1948	sub parse_random_map_params {
1699	my ($spec) = @_;	1949	my ($spec) = @_;
1700		1950
1701	my $rmp = { # defaults	1951	my $rmp = { # defaults
1702	xsize => 10,	1952	xsize => (cf::rndm 15, 40),
1703	ysize => 10,	1953	ysize => (cf::rndm 15, 40),
		1954	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1955	#layout => string,
1704	};	1956	};
1705		1957
1706	for (split /\n/, $spec) {	1958	for (split /\n/, $spec) {
1707	my ($k, $v) = split /\s+/, $_, 2;	1959	my ($k, $v) = split /\s+/, $_, 2;
1708		1960
…		…
1712	$rmp	1964	$rmp
1713	}	1965	}
1714		1966
1715	sub prepare_random_map {	1967	sub prepare_random_map {
1716	my ($exit) = @_;	1968	my ($exit) = @_;
		1969
		1970	my $guard = cf::lock_acquire "exit_prepare:$exit";
1717		1971
1718	# all this does is basically replace the /! path by	1972	# all this does is basically replace the /! path by
1719	# a new random map path (?random/...) with a seed	1973	# a new random map path (?random/...) with a seed
1720	# that depends on the exit object	1974	# that depends on the exit object
1721		1975
1722	my $rmp = parse_random_map_params $exit->msg;	1976	my $rmp = parse_random_map_params $exit->msg;
1723		1977
1724	if ($exit->map) {	1978	if ($exit->map) {
1725	$rmp->{region} = $exit->map->region_name;	1979	$rmp->{region} = $exit->region->name;
1726	$rmp->{origin_map} = $exit->map->path;	1980	$rmp->{origin_map} = $exit->map->path;
1727	$rmp->{origin_x} = $exit->x;	1981	$rmp->{origin_x} = $exit->x;
1728	$rmp->{origin_y} = $exit->y;	1982	$rmp->{origin_y} = $exit->y;
1729	}	1983	}
1730		1984
1731	$rmp->{random_seed} ||= $exit->random_seed;	1985	$rmp->{random_seed} ||= $exit->random_seed;
1732		1986
1733	my $data = cf::to_json $rmp;	1987	my $data = cf::to_json $rmp;
1734	my $md5 = Digest::MD5::md5_hex $data;	1988	my $md5 = Digest::MD5::md5_hex $data;
		1989	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1735		1990
1736	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1991	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1737	aio_write $fh, 0, (length $data), $data, 0;	1992	aio_write $fh, 0, (length $data), $data, 0;
		1993	undef $fh;
		1994	aio_rename "$meta~", $meta;
1738		1995
1739	$exit->slaying ("?random/$md5");	1996	$exit->slaying ("?random/$md5");
1740	$exit->msg (undef);	1997	$exit->msg (undef);
1741	}	1998	}
1742	}	1999	}
1743		2000
1744	sub cf::object::player::enter_exit {	2001	sub cf::object::player::enter_exit {
1745	my ($self, $exit) = @_;	2002	my ($self, $exit) = @_;
1746		2003
1747	return unless $self->type == cf::PLAYER;	2004	return unless $self->type == cf::PLAYER;
		2005
		2006	if ($exit->slaying eq "/!") {
		2007	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2008	# the problem is that $exit might not survive long enough
		2009	# so it needs to be done right now, right here
		2010	cf::sync_job { prepare_random_map $exit };
		2011	}
		2012
		2013	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2014	my $hp = $exit->stats->hp;
		2015	my $sp = $exit->stats->sp;
1748		2016
1749	$self->enter_link;	2017	$self->enter_link;
1750		2018
1751	(async {	2019	(async {
1752	$self->deactivate_recursive; # just to be sure	2020	$self->deactivate_recursive; # just to be sure
1753	unless (eval {	2021	unless (eval {
1754	prepare_random_map $exit	2022	$self->goto ($slaying, $hp, $sp);
1755	if $exit->slaying eq "/!";
1756
1757	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1758	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1759		2023
1760	1;	2024	1;
1761	}) {	2025	}) {
1762	$self->message ("Something went wrong deep within the crossfire server. "	2026	$self->message ("Something went wrong deep within the crossfire server. "
1763	. "I'll try to bring you back to the map you were before. "	2027	. "I'll try to bring you back to the map you were before. "
1764	. "Please report this to the dungeon master",	2028	. "Please report this to the dungeon master!",
1765	cf::NDI_UNIQUE | cf::NDI_RED);	2029	cf::NDI_UNIQUE | cf::NDI_RED);
1766		2030
1767	warn "ERROR in enter_exit: $@";	2031	warn "ERROR in enter_exit: $@";
1768	$self->leave_link;	2032	$self->leave_link;
1769	}	2033	}
1770	})->prio (1);	2034	})->prio (1);
…		…
1783		2047
1784	sub cf::client::send_drawinfo {	2048	sub cf::client::send_drawinfo {
1785	my ($self, $text, $flags) = @_;	2049	my ($self, $text, $flags) = @_;
1786		2050
1787	utf8::encode $text;	2051	utf8::encode $text;
1788	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2052	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1789	}	2053	}
1790		2054
		2055	=item $client->ext_event ($type, %msg)
		2056
		2057	Sends an exti event to the client.
		2058
		2059	=cut
		2060
		2061	sub cf::client::ext_event($$%) {
		2062	my ($self, $type, %msg) = @_;
		2063
		2064	$msg{msgtype} = "event_$type";
		2065	$self->send_packet ("ext " . cf::to_json \%msg);
		2066	}
1791		2067
1792	=item $success = $client->query ($flags, "text", \&cb)	2068	=item $success = $client->query ($flags, "text", \&cb)
1793		2069
1794	Queues a query to the client, calling the given callback with	2070	Queues a query to the client, calling the given callback with
1795	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2071	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1824	# get handled first	2100	# get handled first
1825	my $queue = delete $ns->{query_queue}	2101	my $queue = delete $ns->{query_queue}
1826	or return; # be conservative, not sure how that can happen, but we saw a crash here	2102	or return; # be conservative, not sure how that can happen, but we saw a crash here
1827		2103
1828	(shift @$queue)->[1]->($msg);	2104	(shift @$queue)->[1]->($msg);
		2105	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1829		2106
1830	push @{ $ns->{query_queue} }, @$queue;	2107	push @{ $ns->{query_queue} }, @$queue;
1831		2108
1832	if (@{ $ns->{query_queue} } == @$queue) {	2109	if (@{ $ns->{query_queue} } == @$queue) {
1833	if (@$queue) {	2110	if (@$queue) {
…		…
1891		2168
1892	# here we export the classes and methods available to script code	2169	# here we export the classes and methods available to script code
1893		2170
1894	=pod	2171	=pod
1895		2172
1896	The following fucntions and emthods are available within a safe environment:	2173	The following functions and methods are available within a safe environment:
1897		2174
1898	cf::object contr pay_amount pay_player map	2175	cf::object contr pay_amount pay_player map
1899	cf::object::player player	2176	cf::object::player player
1900	cf::player peaceful	2177	cf::player peaceful
1901	cf::map trigger	2178	cf::map trigger
…		…
1994	The parameter C<$family> should best start with the name of the extension	2271	The parameter C<$family> should best start with the name of the extension
1995	using it, it should be unique.	2272	using it, it should be unique.
1996		2273
1997	=over 4	2274	=over 4
1998		2275
1999	=item $hashref = cf::db_get $family
2000
2001	Return a hashref for use by the extension C<$family>, which can be
2002	modified. After modifications, you have to call C<cf::db_dirty> or
2003	C<cf::db_sync>.
2004
2005	=item $value = cf::db_get $family => $key	2276	=item $value = cf::db_get $family => $key
2006		2277
2007	Returns a single value from the database	2278	Returns a single value from the database.
2008
2009	=item cf::db_put $family => $hashref
2010
2011	Stores the given family hashref into the database. Updates are delayed, if
2012	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2013		2279
2014	=item cf::db_put $family => $key => $value	2280	=item cf::db_put $family => $key => $value
2015		2281
2016	Stores the given C<$value> in the family hash. Updates are delayed, if you	2282	Stores the given C<$value> in the family.
2017	want the data to be synced to disk immediately, use C<cf::db_sync>.
2018
2019	=item cf::db_dirty
2020
2021	Marks the database as dirty, to be updated at a later time.
2022
2023	=item cf::db_sync
2024
2025	Immediately write the database to disk I<if it is dirty>.
2026		2283
2027	=cut	2284	=cut
2028		2285
2029	our $DB;	2286	our $DB;
2030		2287
2031	{	2288	sub db_init {
		2289	unless ($DB) {
		2290	$DB = BDB::db_create $DB_ENV;
		2291
		2292	cf::sync_job {
		2293	eval {
		2294	$DB->set_flags (BDB::CHKSUM);
		2295
		2296	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2297	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2298	cf::cleanup "db_open(db): $!" if $!;
		2299	};
		2300	cf::cleanup "db_open(db): $@" if $@;
		2301	};
		2302
2032	my $path = cf::localdir . "/database.pst";	2303	my $path = cf::localdir . "/database.pst";
		2304	if (stat $path) {
		2305	cf::sync_job {
		2306	my $pst = Storable::retrieve $path;
2033		2307
2034	sub db_load() {	2308	cf::db_put (board => data => $pst->{board});
2035	$DB = stat $path ? Storable::retrieve $path : { };	2309	cf::db_put (guildrules => data => $pst->{guildrules});
2036	}	2310	cf::db_put (rent => balance => $pst->{rent}{balance});
		2311	BDB::db_env_txn_checkpoint $DB_ENV;
2037		2312
2038	my $pid;	2313	unlink $path;
2039
2040	sub db_save() {
2041	waitpid $pid, 0 if $pid;
2042	if (0 == ($pid = fork)) {
2043	$DB->{_meta}{version} = 1;
2044	Storable::nstore $DB, "$path~";
2045	rename "$path~", $path;
2046	cf::_exit 0 if defined $pid;
2047	}	2314	};
2048	}
2049
2050	my $dirty;
2051
2052	sub db_sync() {
2053	db_save if $dirty;
2054	undef $dirty;
2055	}
2056
2057	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2058	db_sync;
2059	});
2060
2061	sub db_dirty() {
2062	$dirty = 1;
2063	$idle->start;
2064	}
2065
2066	sub db_get($;$) {
2067	@_ >= 2
2068	? $DB->{$_[0]}{$_[1]}
2069	: ($DB->{$_[0]} ||= { })
2070	}
2071
2072	sub db_put($$;$) {
2073	if (@_ >= 3) {
2074	$DB->{$_[0]}{$_[1]} = $_[2];
2075	} else {
2076	$DB->{$_[0]} = $_[1];
2077	}
2078	db_dirty;
2079	}
2080
2081	cf::global->attach (
2082	prio => 10000,
2083	on_cleanup => sub {
2084	db_sync;
2085	},	2315	}
2086	);	2316	}
		2317	}
		2318
		2319	sub db_get($$) {
		2320	my $key = "$_[0]/$_[1]";
		2321
		2322	cf::sync_job {
		2323	BDB::db_get $DB, undef, $key, my $data;
		2324
		2325	$! ? ()
		2326	: Compress::LZF::sthaw $data
		2327	}
		2328	}
		2329
		2330	sub db_put($$$) {
		2331	BDB::dbreq_pri 4;
		2332	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2087	}	2333	}
2088		2334
2089	#############################################################################	2335	#############################################################################
2090	# the server's main()	2336	# the server's init and main functions
		2337
		2338	sub load_facedata {
		2339	my $path = sprintf "%s/facedata", cf::datadir;
		2340
		2341	warn "loading facedata from $path\n";
		2342
		2343	my $facedata;
		2344	0 < aio_load $path, $facedata
		2345	or die "$path: $!";
		2346
		2347	$facedata = Coro::Storable::thaw $facedata;
		2348
		2349	$facedata->{version} == 2
		2350	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2351
		2352	{
		2353	my $faces = $facedata->{faceinfo};
		2354
		2355	while (my ($face, $info) = each %$faces) {
		2356	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2357	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2358	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2359	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2360	Coro::cede;
		2361	}
		2362
		2363	while (my ($face, $info) = each %$faces) {
		2364	next unless $info->{smooth};
		2365	my $idx = cf::face::find $face
		2366	or next;
		2367	if (my $smooth = cf::face::find $info->{smooth}) {
		2368	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2369	} else {
		2370	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2371	}
		2372	Coro::cede;
		2373	}
		2374	}
		2375
		2376	{
		2377	my $anims = $facedata->{animinfo};
		2378
		2379	while (my ($anim, $info) = each %$anims) {
		2380	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2381	Coro::cede;
		2382	}
		2383
		2384	cf::anim::invalidate_all; # d'oh
		2385	}
		2386
		2387	1
		2388	}
		2389
		2390	sub reload_resources {
		2391	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2392	or die "unable to load regions file\n";#d#
		2393	load_facedata
		2394	or die "unable to load facedata\n";#d#
		2395	}
		2396
		2397	sub init {
		2398	reload_resources;
		2399	}
2091		2400
2092	sub cfg_load {	2401	sub cfg_load {
2093	open my $fh, "<:utf8", cf::confdir . "/config"	2402	open my $fh, "<:utf8", cf::confdir . "/config"
2094	or return;	2403	or return;
2095		2404
…		…
2112		2421
2113	sub main {	2422	sub main {
2114	# we must not ever block the main coroutine	2423	# we must not ever block the main coroutine
2115	local $Coro::idle = sub {	2424	local $Coro::idle = sub {
2116	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2425	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2426	(async {
2117	async { Event::one_event };	2427	Event::one_event;
		2428	})->prio (Coro::PRIO_MAX);
2118	};	2429	};
2119		2430
2120	cfg_load;	2431	cfg_load;
2121	db_load;	2432	db_init;
2122	load_extensions;	2433	load_extensions;
		2434
		2435	$TICK_WATCHER->start;
2123	Event::loop;	2436	Event::loop;
2124	}	2437	}
2125		2438
2126	#############################################################################	2439	#############################################################################
2127	# initialisation	2440	# initialisation and cleanup
		2441
		2442	# install some emergency cleanup handlers
		2443	BEGIN {
		2444	for my $signal (qw(INT HUP TERM)) {
		2445	Event->signal (
		2446	reentrant => 0,
		2447	data => WF_AUTOCANCEL,
		2448	signal => $signal,
		2449	prio => 0,
		2450	cb => sub {
		2451	cf::cleanup "SIG$signal";
		2452	},
		2453	);
		2454	}
		2455	}
		2456
		2457	sub emergency_save() {
		2458	my $freeze_guard = cf::freeze_mainloop;
		2459
		2460	warn "enter emergency perl save\n";
		2461
		2462	cf::sync_job {
		2463	# use a peculiar iteration method to avoid tripping on perl
		2464	# refcount bugs in for. also avoids problems with players
		2465	# and maps saved/destroyed asynchronously.
		2466	warn "begin emergency player save\n";
		2467	for my $login (keys %cf::PLAYER) {
		2468	my $pl = $cf::PLAYER{$login} or next;
		2469	$pl->valid or next;
		2470	$pl->save;
		2471	}
		2472	warn "end emergency player save\n";
		2473
		2474	warn "begin emergency map save\n";
		2475	for my $path (keys %cf::MAP) {
		2476	my $map = $cf::MAP{$path} or next;
		2477	$map->valid or next;
		2478	$map->save;
		2479	}
		2480	warn "end emergency map save\n";
		2481
		2482	warn "begin emergency database checkpoint\n";
		2483	BDB::db_env_txn_checkpoint $DB_ENV;
		2484	warn "end emergency database checkpoint\n";
		2485	};
		2486
		2487	warn "leave emergency perl save\n";
		2488	}
		2489
		2490	sub post_cleanup {
		2491	my ($make_core) = @_;
		2492
		2493	warn Carp::longmess "post_cleanup backtrace"
		2494	if $make_core;
		2495	}
2128		2496
2129	sub reload() {	2497	sub reload() {
2130	# can/must only be called in main	2498	# can/must only be called in main
2131	if ($Coro::current != $Coro::main) {	2499	if ($Coro::current != $Coro::main) {
2132	warn "can only reload from main coroutine\n";	2500	warn "can only reload from main coroutine";
2133	return;	2501	return;
2134	}	2502	}
2135		2503
2136	warn "reloading...";	2504	warn "reloading...";
2137		2505
2138	my $guard = freeze_mainloop;	2506	warn "entering sync_job";
		2507
		2508	cf::sync_job {
		2509	cf::write_runtime; # external watchdog should not bark
2139	cf::emergency_save;	2510	cf::emergency_save;
		2511	cf::write_runtime; # external watchdog should not bark
2140		2512
2141	eval {	2513	warn "syncing database to disk";
		2514	BDB::db_env_txn_checkpoint $DB_ENV;
		2515
2142	# if anything goes wrong in here, we should simply crash as we already saved	2516	# if anything goes wrong in here, we should simply crash as we already saved
2143		2517
2144	# cancel all watchers	2518	warn "cancelling all WF_AUTOCANCEL watchers";
2145	for (Event::all_watchers) {	2519	for (Event::all_watchers) {
2146	$_->cancel if $_->data & WF_AUTOCANCEL;	2520	$_->cancel if $_->data & WF_AUTOCANCEL;
2147	}	2521	}
2148		2522
		2523	warn "flushing outstanding aio requests";
		2524	for (;;) {
		2525	BDB::flush;
		2526	IO::AIO::flush;
		2527	Coro::cede;
		2528	last unless IO::AIO::nreqs || BDB::nreqs;
		2529	warn "iterate...";
		2530	}
		2531
		2532	++$RELOAD;
		2533
2149	# cancel all extension coros	2534	warn "cancelling all extension coros";
2150	$_->cancel for values %EXT_CORO;	2535	$_->cancel for values %EXT_CORO;
2151	%EXT_CORO = ();	2536	%EXT_CORO = ();
2152		2537
2153	# unload all extensions	2538	warn "removing commands";
2154	for (@exts) {	2539	%COMMAND = ();
		2540
		2541	warn "removing ext commands";
		2542	%EXTCMD = ();
		2543
		2544	warn "unloading/nuking all extensions";
		2545	for my $pkg (@EXTS) {
2155	warn "unloading <$_>";	2546	warn "... unloading $pkg";
2156	unload_extension $_;	2547
		2548	if (my $cb = $pkg->can ("unload")) {
		2549	eval {
		2550	$cb->($pkg);
		2551	1
		2552	} or warn "$pkg unloaded, but with errors: $@";
2157	}	2553	}
2158		2554
		2555	warn "... nuking $pkg";
		2556	Symbol::delete_package $pkg;
		2557	}
		2558
2159	# unload all modules loaded from $LIBDIR	2559	warn "unloading all perl modules loaded from $LIBDIR";
2160	while (my ($k, $v) = each %INC) {	2560	while (my ($k, $v) = each %INC) {
2161	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2561	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2162		2562
2163	warn "removing <$k>";	2563	warn "... unloading $k";
2164	delete $INC{$k};	2564	delete $INC{$k};
2165		2565
2166	$k =~ s/\.pm$//;	2566	$k =~ s/\.pm$//;
2167	$k =~ s/\//::/g;	2567	$k =~ s/\//::/g;
2168		2568
…		…
2171	}	2571	}
2172		2572
2173	Symbol::delete_package $k;	2573	Symbol::delete_package $k;
2174	}	2574	}
2175		2575
2176	# sync database to disk
2177	cf::db_sync;
2178	IO::AIO::flush;
2179
2180	# get rid of safe::, as good as possible	2576	warn "getting rid of safe::, as good as possible";
2181	Symbol::delete_package "safe::$_"	2577	Symbol::delete_package "safe::$_"
2182	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2578	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2183		2579
2184	# remove register_script_function callbacks
2185	# TODO
2186
2187	# unload cf.pm "a bit"	2580	warn "unloading cf.pm \"a bit\"";
2188	delete $INC{"cf.pm"};	2581	delete $INC{"cf.pm"};
2189		2582
2190	# don't, removes xs symbols, too,	2583	# don't, removes xs symbols, too,
2191	# and global variables created in xs	2584	# and global variables created in xs
2192	#Symbol::delete_package __PACKAGE__;	2585	#Symbol::delete_package __PACKAGE__;
2193		2586
2194	# reload cf.pm	2587	warn "unload completed, starting to reload now";
		2588
2195	warn "reloading cf.pm";	2589	warn "reloading cf.pm";
2196	require cf;	2590	require cf;
2197	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2591	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2198		2592
2199	# load config and database again	2593	warn "loading config and database again";
2200	cf::cfg_load;	2594	cf::cfg_load;
2201	cf::db_load;
2202		2595
2203	# load extensions
2204	warn "load extensions";	2596	warn "loading extensions";
2205	cf::load_extensions;	2597	cf::load_extensions;
2206		2598
2207	# reattach attachments to objects	2599	warn "reattaching attachments to objects/players";
2208	warn "reattach";	2600	_global_reattach; # objects, sockets
2209	_global_reattach;	2601	warn "reattaching attachments to maps";
2210	reattach $_ for values %MAP;	2602	reattach $_ for values %MAP;
2211	};	2603	warn "reattaching attachments to players";
		2604	reattach $_ for values %PLAYER;
2212		2605
2213	if ($@) {	2606	warn "loading reloadable resources";
		2607	reload_resources;
		2608
		2609	warn "leaving sync_job";
		2610
		2611	1
		2612	} or do {
2214	warn $@;	2613	warn $@;
2215	warn "error while reloading, exiting.";	2614	warn "error while reloading, exiting.";
2216	exit 1;	2615	exit 1;
2217	}	2616	};
2218		2617
2219	warn "reloaded successfully";	2618	warn "reloaded";
2220	};	2619	};
2221		2620
2222	#############################################################################	2621	our $RELOAD_WATCHER; # used only during reload
2223
2224	unless ($LINK_MAP) {
2225	$LINK_MAP = cf::map::new;
2226
2227	$LINK_MAP->width (41);
2228	$LINK_MAP->height (41);
2229	$LINK_MAP->alloc;
2230	$LINK_MAP->path ("{link}");
2231	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2232	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2233
2234	# dirty hack because... archetypes are not yet loaded
2235	Event->timer (
2236	after => 10,
2237	cb => sub {
2238	$_[0]->w->cancel;
2239
2240	# provide some exits "home"
2241	my $exit = cf::object::new "exit";
2242
2243	$exit->slaying ($EMERGENCY_POSITION->[0]);
2244	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2245	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2246
2247	$LINK_MAP->insert ($exit->clone, 19, 19);
2248	$LINK_MAP->insert ($exit->clone, 19, 20);
2249	$LINK_MAP->insert ($exit->clone, 19, 21);
2250	$LINK_MAP->insert ($exit->clone, 20, 19);
2251	$LINK_MAP->insert ($exit->clone, 20, 21);
2252	$LINK_MAP->insert ($exit->clone, 21, 19);
2253	$LINK_MAP->insert ($exit->clone, 21, 20);
2254	$LINK_MAP->insert ($exit->clone, 21, 21);
2255
2256	$exit->destroy;
2257	});
2258
2259	$LINK_MAP->{deny_save} = 1;
2260	$LINK_MAP->{deny_reset} = 1;
2261
2262	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2263	}
2264
2265	register "<global>", __PACKAGE__;
2266		2622
2267	register_command "reload" => sub {	2623	register_command "reload" => sub {
2268	my ($who, $arg) = @_;	2624	my ($who, $arg) = @_;
2269		2625
2270	if ($who->flag (FLAG_WIZ)) {	2626	if ($who->flag (FLAG_WIZ)) {
2271	$who->message ("start of reload.");	2627	$who->message ("reloading server.");
		2628
		2629	# doing reload synchronously and two reloads happen back-to-back,
		2630	# coro crashes during coro_state_free->destroy here.
		2631
		2632	$RELOAD_WATCHER ||= Event->timer (
		2633	reentrant => 0,
		2634	after => 0,
		2635	data => WF_AUTOCANCEL,
		2636	cb => sub {
2272	reload;	2637	reload;
2273	$who->message ("end of reload.");	2638	undef $RELOAD_WATCHER;
		2639	},
		2640	);
2274	}	2641	}
2275	};	2642	};
2276		2643
2277	unshift @INC, $LIBDIR;	2644	unshift @INC, $LIBDIR;
		2645
		2646	my $bug_warning = 0;
2278		2647
2279	$TICK_WATCHER = Event->timer (	2648	$TICK_WATCHER = Event->timer (
2280	reentrant => 0,	2649	reentrant => 0,
		2650	parked => 1,
2281	prio => 0,	2651	prio => 0,
2282	at => $NEXT_TICK || $TICK,	2652	at => $NEXT_TICK || $TICK,
2283	data => WF_AUTOCANCEL,	2653	data => WF_AUTOCANCEL,
2284	cb => sub {	2654	cb => sub {
		2655	if ($Coro::current != $Coro::main) {
		2656	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2657	unless ++$bug_warning > 10;
		2658	return;
		2659	}
		2660
		2661	$NOW = Event::time;
		2662
2285	cf::server_tick; # one server iteration	2663	cf::server_tick; # one server iteration
2286	$RUNTIME += $TICK;	2664	$RUNTIME += $TICK;
2287	$NEXT_TICK += $TICK;	2665	$NEXT_TICK += $TICK;
		2666
		2667	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2668	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2669	Coro::async_pool {
		2670	write_runtime
		2671	or warn "ERROR: unable to write runtime file: $!";
		2672	};
		2673	}
		2674
		2675	$WAIT_FOR_TICK->broadcast;
		2676	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2677
		2678	# my $AFTER = Event::time;
		2679	# warn $AFTER - $NOW;#d#
2288		2680
2289	# if we are delayed by four ticks or more, skip them all	2681	# if we are delayed by four ticks or more, skip them all
2290	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2682	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2291		2683
2292	$TICK_WATCHER->at ($NEXT_TICK);	2684	$TICK_WATCHER->at ($NEXT_TICK);
2293	$TICK_WATCHER->start;	2685	$TICK_WATCHER->start;
2294	},	2686	},
2295	);	2687	);
2296		2688
		2689	{
2297	IO::AIO::max_poll_time $TICK * 0.2;	2690	BDB::max_poll_time $TICK * 0.1;
2298		2691	$BDB_POLL_WATCHER = Event->io (
2299	Event->io (	2692	reentrant => 0,
2300	fd => IO::AIO::poll_fileno,	2693	fd => BDB::poll_fileno,
2301	poll => 'r',	2694	poll => 'r',
2302	prio => 5,	2695	prio => 0,
2303	data => WF_AUTOCANCEL,
2304	cb => \&IO::AIO::poll_cb,
2305	);
2306
2307	Event->timer (
2308	data => WF_AUTOCANCEL,	2696	data => WF_AUTOCANCEL,
2309	after => 0,	2697	cb => \&BDB::poll_cb,
2310	interval => 10,	2698	);
2311	cb => sub {	2699	BDB::min_parallel 8;
2312	(Coro::unblock_sub {	2700
2313	write_runtime	2701	BDB::set_sync_prepare {
2314	or warn "ERROR: unable to write runtime file: $!";	2702	my $status;
		2703	my $current = $Coro::current;
		2704	(
		2705	sub {
		2706	$status = $!;
		2707	$current->ready; undef $current;
		2708	},
		2709	sub {
		2710	Coro::schedule while defined $current;
		2711	$! = $status;
		2712	},
		2713	)
		2714	};
		2715
		2716	unless ($DB_ENV) {
		2717	$DB_ENV = BDB::db_env_create;
		2718
		2719	cf::sync_job {
		2720	eval {
		2721	BDB::db_env_open
		2722	$DB_ENV,
		2723	$BDB_ENV_DIR,
		2724	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2725	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2726	0666;
		2727
		2728	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2729
		2730	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2731	$DB_ENV->set_lk_detect;
		2732	};
		2733
		2734	cf::cleanup "db_env_open(db): $@" if $@;
2315	})->();	2735	};
2316	},	2736	}
2317	);	2737	}
		2738
		2739	{
		2740	IO::AIO::min_parallel 8;
		2741
		2742	undef $Coro::AIO::WATCHER;
		2743	IO::AIO::max_poll_time $TICK * 0.1;
		2744	$AIO_POLL_WATCHER = Event->io (
		2745	reentrant => 0,
		2746	data => WF_AUTOCANCEL,
		2747	fd => IO::AIO::poll_fileno,
		2748	poll => 'r',
		2749	prio => 6,
		2750	cb => \&IO::AIO::poll_cb,
		2751	);
		2752	}
2318		2753
2319	END { cf::emergency_save }	2754	END { cf::emergency_save }
2320		2755
2321	1	2756	1
2322		2757

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