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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.146 by root, Sun Jan 7 23:10:43 2007 UTC vs.
Revision 1.236 by root, Thu Apr 12 14:18:05 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;
19		21
		22	use BDB ();
		23	use Data::Dumper;
20	use Digest::MD5;	24	use Digest::MD5;
21	use Fcntl;	25	use Fcntl;
		26	use YAML::Syck ();
22	use IO::AIO 2.32 ();	27	use IO::AIO 2.32 ();
23	use YAML::Syck ();
24	use Time::HiRes;	28	use Time::HiRes;
		29	use Compress::LZF;
25		30
		31	# configure various modules to our taste
		32	#
		33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		35
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	36	$Event::Eval = 1; # no idea why this is required, but it is
27		37
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	39	$YAML::Syck::ImplicitUnicode = 1;
30		40
31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		42
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		44
35	our %COMMAND = ();	45	our %COMMAND = ();
36	our %COMMAND_TIME = ();	46	our %COMMAND_TIME = ();
		47
		48	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	49	our %EXTCMD = ();
		50	our %EXT_CORO = (); # coroutines bound to extensions
		51	our %EXT_MAP = (); # pluggable maps
38		52
		53	our $RELOAD; # number of reloads so far
39	our @EVENT;	54	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	55	our $LIBDIR = datadir . "/ext";
41		56
42	our $TICK = MAX_TIME * 1e-6;	57	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	58	our $TICK_WATCHER;
		59	our $AIO_POLL_WATCHER;
		60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	61	our $NEXT_TICK;
45	our $NOW;	62	our $NOW;
		63	our $USE_FSYNC = 1; # use fsync to write maps - default off
		64
		65	our $BDB_POLL_WATCHER;
		66	our $DB_ENV;
46		67
47	our %CFG;	68	our %CFG;
48		69
49	our $UPTIME; $UPTIME ||= time;	70	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	71	our $RUNTIME;
51		72
52	our %PLAYER; # all users	73	our %PLAYER; # all users
53	our %MAP; # all maps	74	our %MAP; # all maps
54	our $LINK_MAP; # the special {link} map	75	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	76	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO; # coroutines bound to extensions	77	our $BDB_ENV_DIR = cf::localdir . "/db";
		78
		79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		81
		82	# used to convert map paths into valid unix filenames by replacing / by ∕
		83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		84
58	binmode STDOUT;	85	binmode STDOUT;
59	binmode STDERR;	86	binmode STDERR;
60		87
61	# read virtual server time, if available	88	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	95	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	96	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	97	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	98	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	99	mkdir $RANDOM_MAPS;
		100	mkdir $BDB_ENV_DIR;
73		101
74	# a special map that is always available
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	102	our $EMERGENCY_POSITION;
		103
		104	sub cf::map::normalise;
77		105
78	#############################################################################	106	#############################################################################
79		107
80	=head2 GLOBAL VARIABLES	108	=head2 GLOBAL VARIABLES
81		109
…		…
105		133
106	=item %cf::CFG	134	=item %cf::CFG
107		135
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	136	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	from wherever your confdir points to.	137	from wherever your confdir points to.
		138
		139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		140
		141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		143	processing has been done. Call C<< ->wait >> on them to maximise the
		144	window of cpu time available, or simply to synchronise to the server tick.
110		145
111	=back	146	=back
112		147
113	=cut	148	=cut
114		149
…		…
146		181
147	$Event::DIED = sub {	182	$Event::DIED = sub {
148	warn "error in event callback: @_";	183	warn "error in event callback: @_";
149	};	184	};
150		185
151	my %ext_pkg;
152	my @exts;
153	my @hook;
154
155	=head2 UTILITY FUNCTIONS	186	=head2 UTILITY FUNCTIONS
156		187
157	=over 4	188	=over 4
158		189
159	=cut	190	=item dumpval $ref
160		191
		192	=cut
		193
		194	sub dumpval {
		195	eval {
		196	local $SIG{__DIE__};
		197	my $d;
		198	if (1) {
		199	$d = new Data::Dumper([$_[0]], ["*var"]);
		200	$d->Terse(1);
		201	$d->Indent(2);
		202	$d->Quotekeys(0);
		203	$d->Useqq(1);
		204	#$d->Bless(...);
		205	$d->Seen($_[1]) if @_ > 1;
		206	$d = $d->Dump();
		207	}
		208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		209	$d
		210	} || "[unable to dump $_[0]: '$@']";
		211	}
		212
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
162		214
163	=item $ref = cf::from_json $json	215	=item $ref = cf::from_json $json
164		216
165	Converts a JSON string into the corresponding perl data structure.	217	Converts a JSON string into the corresponding perl data structure.
166		218
167	=cut
168
169	sub from_json($) {
170	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171	JSON::Syck::Load $_[0]
172	}
173
174	=item $json = cf::to_json $ref	219	=item $json = cf::to_json $ref
175		220
176	Converts a perl data structure into its JSON representation.	221	Converts a perl data structure into its JSON representation.
177
178	=cut
179
180	sub to_json($) {
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
182	JSON::Syck::Dump $_[0]
183	}
184		222
185	=item cf::lock_wait $string	223	=item cf::lock_wait $string
186		224
187	Wait until the given lock is available. See cf::lock_acquire.	225	Wait until the given lock is available. See cf::lock_acquire.
188		226
…		…
225	}	263	}
226		264
227	sub freeze_mainloop {	265	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	266	return unless $TICK_WATCHER->is_active;
229		267
230	my $guard = Coro::guard { $TICK_WATCHER->start };	268	my $guard = Coro::guard {
		269	$TICK_WATCHER->start;
		270	};
231	$TICK_WATCHER->stop;	271	$TICK_WATCHER->stop;
232	$guard	272	$guard
233	}	273	}
234		274
235	=item cf::async { BLOCK }	275	=item cf::async { BLOCK }
…		…
287	}	327	}
288	}	328	}
289		329
290	=item $coro = cf::async_ext { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
291		331
292	Like async, but this coro is automcatially being canceled when the	332	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	333	extension calling this is being unloaded.
294		334
295	=cut	335	=cut
296		336
297	sub async_ext(&) {	337	sub async_ext(&) {
…		…
306		346
307	$coro	347	$coro
308	}	348	}
309		349
310	sub write_runtime {	350	sub write_runtime {
		351	my $guard = cf::lock_acquire "write_runtime";
		352
311	my $runtime = cf::localdir . "/runtime";	353	my $runtime = cf::localdir . "/runtime";
312		354
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
314	or return;	356	or return;
315		357
		358	my $value = $cf::RUNTIME + 90 + 10;
316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	359	# 10 is the runtime save interval, for a monotonic clock
		360	# 60 allows for the watchdog to kill the server.
		361
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0	362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;	363	and return;
319		364
		365	# always fsync - this file is important
320	aio_fsync $fh	366	aio_fsync $fh
321	and return;	367	and return;
322		368
323	close $fh	369	close $fh
324	or return;	370	or return;
…		…
327	and return;	373	and return;
328		374
329	1	375	1
330	}	376	}
331		377
		378	=item cf::datalog type => key => value, ...
		379
		380	Log a datalog packet of the given type with the given key-value pairs.
		381
		382	=cut
		383
		384	sub datalog($@) {
		385	my ($type, %kv) = @_;
		386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		387	}
		388
332	=back	389	=back
333		390
334	=cut	391	=cut
335
336	#############################################################################
337
338	package cf::path;
339
340	sub new {
341	my ($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		392
456	#############################################################################	393	#############################################################################
457		394
458	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
459		396
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	523	our @CB_MAP = ();
587		524
588	my %attachment;	525	my %attachment;
589		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
590	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
592		535
593	use sort 'stable';	536	use sort 'stable';
594		537
…		…
765	# object support	708	# object support
766		709
767	sub reattach {	710	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		715
771	my $registry = $obj->registry;	716	my $registry = $obj->registry;
772		717
773	@$registry = ();	718	@$registry = ();
774		719
…		…
821	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
822		767
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
826	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	772	close $fh;
828		773
829	if (@$objs) {	774	if (@$objs) {
830	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
831	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
833	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
834	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
835	close $fh;	780	close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
837	}	782	}
838	} else {	783	} else {
839	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
906	=cut	851	=cut
907		852
908	sub register_extcmd {	853	sub register_extcmd {
909	my ($name, $cb) = @_;	854	my ($name, $cb) = @_;
910		855
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	856	$EXTCMD{$name} = $cb;
915	}	857	}
916		858
917	cf::player->attach (	859	cf::player->attach (
918	on_command => sub {	860	on_command => sub {
919	my ($pl, $name, $params) = @_;	861	my ($pl, $name, $params) = @_;
…		…
932		874
933	my $msg = eval { from_json $buf };	875	my $msg = eval { from_json $buf };
934		876
935	if (ref $msg) {	877	if (ref $msg) {
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	879	if (my %reply = $cb->($pl, $msg)) {
938	$pl->ext_reply ($msg->{msgid}, %reply);	880	$pl->ext_reply ($msg->{msgid}, %reply);
939	}	881	}
940	}	882	}
941	} else {	883	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
944		886
945	cf::override;	887	cf::override;
946	},	888	},
947	);	889	);
948		890
949	sub register {
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {	891	sub load_extension {
956	my ($path) = @_;	892	my ($path) = @_;
957		893
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
959	my $base = $1;	895	my $base = $1;
960	my $pkg = $1;	896	my $pkg = $1;
961	$pkg =~ s/[^[:word:]]/_/g;	897	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";	898	$pkg = "ext::$pkg";
963		899
964	warn "loading '$path' into '$pkg'\n";	900	warn "... loading '$path' into '$pkg'\n";
965		901
966	open my $fh, "<:utf8", $path	902	open my $fh, "<:utf8", $path
967	or die "$path: $!";	903	or die "$path: $!";
968		904
969	my $source =	905	my $source =
970	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
973	. "\n};\n1";	909	. "\n};\n1";
974		910
975	eval $source	911	unless (eval $source) {
976	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
977	: "extension disabled.\n";	913	: "extension disabled.\n";
978		914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
979	push @exts, $pkg;	915	warn $@;
980	$ext_pkg{$base} = $pkg;	916	warn "mandatory extension failed to load, exiting.\n";
981		917	exit 1;
982	# no strict 'refs';	918	}
983	# @{"$pkg\::ISA"} = ext::;	919	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	# }	920	}
998		921
999	# remove commands	922	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	}	923	}
1024		924
1025	sub load_extensions {	925	sub load_extensions {
1026	for my $ext (<$LIBDIR/*.ext>) {	926	for my $ext (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	927	next unless -r $ext;
…		…
1031	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
1032	}	932	}
1033	}	933	}
1034		934
1035	#############################################################################	935	#############################################################################
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		936
1073	=head2 CORE EXTENSIONS	937	=head2 CORE EXTENSIONS
1074		938
1075	Functions and methods that extend core crossfire objects.	939	Functions and methods that extend core crossfire objects.
1076		940
1077	=cut	941	=cut
1078		942
1079	package cf::player;	943	package cf::player;
		944
		945	use Coro::AIO;
1080		946
1081	=head3 cf::player	947	=head3 cf::player
1082		948
1083	=over 4	949	=over 4
1084		950
…		…
1097	}	963	}
1098		964
1099	sub path($) {	965	sub path($) {
1100	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1101		967
1102	(playerdir $login) . "/$login.pl"	968	(playerdir $login) . "/playerdata"
1103	}	969	}
1104		970
1105	sub find_active($) {	971	sub find_active($) {
1106	$cf::PLAYER{$_[0]}	972	$cf::PLAYER{$_[0]}
1107	and $cf::PLAYER{$_[0]}->active	973	and $cf::PLAYER{$_[0]}->active
…		…
1110		976
1111	sub exists($) {	977	sub exists($) {
1112	my ($login) = @_;	978	my ($login) = @_;
1113		979
1114	$cf::PLAYER{$login}	980	$cf::PLAYER{$login}
1115	or cf::sync_job { !aio_stat $login }	981	or cf::sync_job { !aio_stat path $login }
1116	}	982	}
1117		983
1118	sub find($) {	984	sub find($) {
1119	return $cf::PLAYER{$_[0]} || do {	985	return $cf::PLAYER{$_[0]} || do {
1120	my $login = $_[0];	986	my $login = $_[0];
1121		987
1122	my $guard = cf::lock_acquire "user_find:$login";	988	my $guard = cf::lock_acquire "user_find:$login";
1123		989
1124	$cf::PLAYER{$login} ||= (load_pl path $login or return);	990	$cf::PLAYER{$_[0]} || do {
		991	# rename old playerfiles to new ones
		992	#TODO: remove when no longer required
		993	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		994	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		995	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		996	aio_unlink +(playerdir $login) . "/$login.pl";
		997
		998	my $pl = load_pl path $login
		999	or return;
		1000	$cf::PLAYER{$login} = $pl
		1001	}
1125	};	1002	}
1126	}	1003	}
1127		1004
1128	sub save($) {	1005	sub save($) {
1129	my ($pl) = @_;	1006	my ($pl) = @_;
1130		1007
…		…
1133	my $path = path $pl;	1010	my $path = path $pl;
1134	my $guard = cf::lock_acquire "user_save:$path";	1011	my $guard = cf::lock_acquire "user_save:$path";
1135		1012
1136	return if $pl->{deny_save};	1013	return if $pl->{deny_save};
1137		1014
1138	IO::AIO::aio_mkdir playerdir $pl, 0770;	1015	aio_mkdir playerdir $pl, 0770;
1139	$pl->{last_save} = $cf::RUNTIME;	1016	$pl->{last_save} = $cf::RUNTIME;
1140		1017
1141	Coro::cede;
1142	$pl->save_pl ($path);	1018	$pl->save_pl ($path);
1143	Coro::cede;	1019	Coro::cede;
1144	}	1020	}
1145		1021
1146	sub new($) {	1022	sub new($) {
…		…
1154	$cf::PLAYER{$login} = $self;	1030	$cf::PLAYER{$login} = $self;
1155		1031
1156	$self	1032	$self
1157	}	1033	}
1158		1034
		1035	=item $pl->quit_character
		1036
		1037	Nukes the player without looking back. If logged in, the connection will
		1038	be destroyed. May block for a long time.
		1039
		1040	=cut
		1041
1159	sub quit_character {	1042	sub quit_character {
1160	my ($pl) = @_;	1043	my ($pl) = @_;
		1044
		1045	my $name = $pl->ob->name;
1161		1046
1162	$pl->{deny_save} = 1;	1047	$pl->{deny_save} = 1;
1163	$pl->password ("*"); # this should lock out the player until we nuked the dir	1048	$pl->password ("*"); # this should lock out the player until we nuked the dir
1164		1049
1165	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1050	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1167	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1052	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1168	$pl->ns->destroy if $pl->ns;	1053	$pl->ns->destroy if $pl->ns;
1169		1054
1170	my $path = playerdir $pl;	1055	my $path = playerdir $pl;
1171	my $temp = "$path~$cf::RUNTIME~deleting~";	1056	my $temp = "$path~$cf::RUNTIME~deleting~";
1172	IO::AIO::aio_rename $path, $temp, sub {	1057	aio_rename $path, $temp;
1173	delete $cf::PLAYER{$pl->ob->name};	1058	delete $cf::PLAYER{$pl->ob->name};
1174	$pl->destroy;	1059	$pl->destroy;
1175		1060
		1061	my $prefix = qr<^~\Q$name\E/>;
		1062
		1063	# nuke player maps
		1064	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1065
1176	IO::AIO::aio_rmtree $temp;	1066	IO::AIO::aio_rmtree $temp;
		1067	}
		1068
		1069	=item $pl->kick
		1070
		1071	Kicks a player out of the game. This destroys the connection.
		1072
		1073	=cut
		1074
		1075	sub kick {
		1076	my ($pl, $kicker) = @_;
		1077
		1078	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1079	$pl->killer ("kicked");
		1080	$pl->ns->destroy;
		1081	}
		1082
		1083	=item cf::player::list_logins
		1084
		1085	Returns am arrayref of all valid playernames in the system, can take a
		1086	while and may block, so not sync_job-capable, ever.
		1087
		1088	=cut
		1089
		1090	sub list_logins {
		1091	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1092	or return [];
		1093
		1094	my @logins;
		1095
		1096	for my $login (@$dirs) {
		1097	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1098	aio_read $fh, 0, 512, my $buf, 0 or next;
		1099	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1100
		1101	utf8::decode $login;
		1102	push @logins, $login;
1177	};	1103	}
1178	}
1179		1104
		1105	\@logins
		1106	}
		1107
		1108	=item $player->maps
		1109
		1110	Returns an arrayref of map paths that are private for this
		1111	player. May block.
		1112
		1113	=cut
		1114
		1115	sub maps($) {
		1116	my ($pl) = @_;
		1117
		1118	$pl = ref $pl ? $pl->ob->name : $pl;
		1119
		1120	my $files = aio_readdir playerdir $pl
		1121	or return;
		1122
		1123	my @paths;
		1124
		1125	for (@$files) {
		1126	utf8::decode $_;
		1127	next if /\.(?:pl|pst)$/;
		1128	next unless /^$PATH_SEP/o;
		1129
		1130	push @paths, cf::map::normalise "~$pl/$_";
		1131	}
		1132
		1133	\@paths
		1134	}
		1135
1180	=item $player->ext_reply ($msgid, $msgtype, %msg)	1136	=item $player->ext_reply ($msgid, %msg)
1181		1137
1182	Sends an ext reply to the player.	1138	Sends an ext reply to the player.
1183		1139
1184	=cut	1140	=cut
1185		1141
1186	sub ext_reply($$$%) {	1142	sub ext_reply($$%) {
1187	my ($self, $id, %msg) = @_;	1143	my ($self, $id, %msg) = @_;
1188		1144
1189	$msg{msgid} = $id;	1145	$msg{msgid} = $id;
1190		1146
1191	$self->send ("ext " . cf::to_json \%msg);	1147	$self->send ("ext " . cf::to_json \%msg);
		1148	}
		1149
		1150	=item $player->ext_event ($type, %msg)
		1151
		1152	Sends an ext event to the client.
		1153
		1154	=cut
		1155
		1156	sub ext_event($$%) {
		1157	my ($self, $type, %msg) = @_;
		1158
		1159	$self->ns->ext_event ($type, %msg);
1192	}	1160	}
1193		1161
1194	package cf;	1162	package cf;
1195		1163
1196	=back	1164	=back
…		…
1205	package cf::map;	1173	package cf::map;
1206		1174
1207	use Fcntl;	1175	use Fcntl;
1208	use Coro::AIO;	1176	use Coro::AIO;
1209		1177
		1178	use overload
		1179	'""' => \&as_string,
		1180	fallback => 1;
		1181
1210	our $MAX_RESET = 3600;	1182	our $MAX_RESET = 3600;
1211	our $DEFAULT_RESET = 3000;	1183	our $DEFAULT_RESET = 3000;
1212		1184
1213	sub generate_random_map {	1185	sub generate_random_map {
1214	my ($path, $rmp) = @_;	1186	my ($self, $rmp) = @_;
1215
1216	# mit "rum" bekleckern, nicht	1187	# mit "rum" bekleckern, nicht
1217	cf::map::_create_random_map	1188	$self->_create_random_map (
1218	$path,
1219	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1189	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1220	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1190	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1221	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1191	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1222	$rmp->{exit_on_final_map},	1192	$rmp->{exit_on_final_map},
1223	$rmp->{xsize}, $rmp->{ysize},	1193	$rmp->{xsize}, $rmp->{ysize},
1224	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1194	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1225	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1195	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1226	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1196	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1227	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1197	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1228	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1198	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1229	(cf::region::find $rmp->{region})	1199	(cf::region::find $rmp->{region}), $rmp->{custom}
		1200	)
		1201	}
		1202
		1203	=item cf::map->register ($regex, $prio)
		1204
		1205	Register a handler for the map path matching the given regex at the
		1206	givne priority (higher is better, built-in handlers have priority 0, the
		1207	default).
		1208
		1209	=cut
		1210
		1211	sub register {
		1212	my (undef, $regex, $prio) = @_;
		1213	my $pkg = caller;
		1214
		1215	no strict;
		1216	push @{"$pkg\::ISA"}, __PACKAGE__;
		1217
		1218	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1219	}
		1220
		1221	# also paths starting with '/'
		1222	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1223
		1224	sub thawer_merge {
		1225	my ($self, $merge) = @_;
		1226
		1227	# we have to keep some variables in memory intact
		1228	local $self->{path};
		1229	local $self->{load_path};
		1230	local $self->{deny_save};
		1231	local $self->{deny_reset};
		1232
		1233	$self->SUPER::thawer_merge ($merge);
		1234	}
		1235
		1236	sub normalise {
		1237	my ($path, $base) = @_;
		1238
		1239	$path = "$path"; # make sure its a string
		1240
		1241	$path =~ s/\.map$//;
		1242
		1243	# map plan:
		1244	#
		1245	# /! non-realised random map exit (special hack!)
		1246	# {... are special paths that are not being touched
		1247	# ?xxx/... are special absolute paths
		1248	# ?random/... random maps
		1249	# /... normal maps
		1250	# ~user/... per-player map of a specific user
		1251
		1252	$path =~ s/$PATH_SEP/\//go;
		1253
		1254	# treat it as relative path if it starts with
		1255	# something that looks reasonable
		1256	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1257	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1258
		1259	$base =~ s{[^/]+/?$}{};
		1260	$path = "$base/$path";
		1261	}
		1262
		1263	for ($path) {
		1264	redo if s{//}{/};
		1265	redo if s{/\.?/}{/};
		1266	redo if s{/[^/]+/\.\./}{/};
		1267	}
		1268
		1269	$path
		1270	}
		1271
		1272	sub new_from_path {
		1273	my (undef, $path, $base) = @_;
		1274
		1275	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1276
		1277	$path = normalise $path, $base;
		1278
		1279	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1280	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1281	my $self = bless cf::map::new, $pkg;
		1282	$self->{path} = $path; $self->path ($path);
		1283	$self->init; # pass $1 etc.
		1284	return $self;
		1285	}
		1286	}
		1287
		1288	Carp::carp "unable to resolve path '$path' (base '$base').";
		1289	()
		1290	}
		1291
		1292	sub init {
		1293	my ($self) = @_;
		1294
		1295	$self
		1296	}
		1297
		1298	sub as_string {
		1299	my ($self) = @_;
		1300
		1301	"$self->{path}"
		1302	}
		1303
		1304	# the displayed name, this is a one way mapping
		1305	sub visible_name {
		1306	&as_string
		1307	}
		1308
		1309	# the original (read-only) location
		1310	sub load_path {
		1311	my ($self) = @_;
		1312
		1313	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1314	}
		1315
		1316	# the temporary/swap location
		1317	sub save_path {
		1318	my ($self) = @_;
		1319
		1320	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1321	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1322	}
		1323
		1324	# the unique path, undef == no special unique path
		1325	sub uniq_path {
		1326	my ($self) = @_;
		1327
		1328	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1329	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1230	}	1330	}
1231		1331
1232	# and all this just because we cannot iterate over	1332	# and all this just because we cannot iterate over
1233	# all maps in C++...	1333	# all maps in C++...
1234	sub change_all_map_light {	1334	sub change_all_map_light {
…		…
1236		1336
1237	$_->change_map_light ($change)	1337	$_->change_map_light ($change)
1238	for grep $_->outdoor, values %cf::MAP;	1338	for grep $_->outdoor, values %cf::MAP;
1239	}	1339	}
1240		1340
		1341	sub unlink_save {
		1342	my ($self) = @_;
		1343
		1344	utf8::encode (my $save = $self->save_path);
		1345	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1346	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1347	}
		1348
1241	sub try_load_header($) {	1349	sub load_header_from($) {
1242	my ($path) = @_;	1350	my ($self, $path) = @_;
1243		1351
1244	utf8::encode $path;	1352	utf8::encode $path;
1245	aio_open $path, O_RDONLY, 0	1353	#aio_open $path, O_RDONLY, 0
		1354	# or return;
		1355
		1356	$self->_load_header ($path)
1246	or return;	1357	or return;
1247		1358
1248	my $map = cf::map::new	1359	$self->{load_path} = $path;
		1360
		1361	1
		1362	}
		1363
		1364	sub load_header_orig {
		1365	my ($self) = @_;
		1366
		1367	$self->load_header_from ($self->load_path)
		1368	}
		1369
		1370	sub load_header_temp {
		1371	my ($self) = @_;
		1372
		1373	$self->load_header_from ($self->save_path)
		1374	}
		1375
		1376	sub prepare_temp {
		1377	my ($self) = @_;
		1378
		1379	$self->last_access ((delete $self->{last_access})
		1380	|| $cf::RUNTIME); #d#
		1381	# safety
		1382	$self->{instantiate_time} = $cf::RUNTIME
		1383	if $self->{instantiate_time} > $cf::RUNTIME;
		1384	}
		1385
		1386	sub prepare_orig {
		1387	my ($self) = @_;
		1388
		1389	$self->{load_original} = 1;
		1390	$self->{instantiate_time} = $cf::RUNTIME;
		1391	$self->last_access ($cf::RUNTIME);
		1392	$self->instantiate;
		1393	}
		1394
		1395	sub load_header {
		1396	my ($self) = @_;
		1397
		1398	if ($self->load_header_temp) {
		1399	$self->prepare_temp;
		1400	} else {
		1401	$self->load_header_orig
1249	or return;	1402	or return;
		1403	$self->prepare_orig;
		1404	}
1250		1405
1251	# for better error messages only, will be overwritten	1406	1
1252	$map->path ($path);
1253
1254	$map->load_header ($path)
1255	or return;
1256
1257	$map->{load_path} = $path;
1258
1259	$map
1260	}	1407	}
1261		1408
1262	sub find;	1409	sub find;
1263	sub find {	1410	sub find {
1264	my ($path, $origin) = @_;	1411	my ($path, $origin) = @_;
1265		1412
1266	#warn "find<$path,$origin>\n";#d#
1267
1268	$path = new cf::path $path, $origin && $origin->path;	1413	$path = normalise $path, $origin && $origin->path;
1269	my $key = $path->as_string;
1270		1414
1271	cf::lock_wait "map_find:$key";	1415	cf::lock_wait "map_find:$path";
1272		1416
1273	$cf::MAP{$key} || do {	1417	$cf::MAP{$path} || do {
1274	my $guard = cf::lock_acquire "map_find:$key";	1418	my $guard = cf::lock_acquire "map_find:$path";
1275		1419	my $map = new_from_path cf::map $path
1276	# do it the slow way
1277	my $map = try_load_header $path->save_path;
1278
1279	Coro::cede;
1280
1281	if ($map) {
1282	$map->last_access ((delete $map->{last_access})
1283	|| $cf::RUNTIME); #d#
1284	# safety
1285	$map->{instantiate_time} = $cf::RUNTIME
1286	if $map->{instantiate_time} > $cf::RUNTIME;
1287	} else {
1288	if (my $rmp = $path->random_map_params) {
1289	$map = generate_random_map $key, $rmp;
1290	} else {
1291	$map = try_load_header $path->load_path;
1292	}
1293
1294	$map or return;	1420	or return;
1295		1421
1296	$map->{load_original} = 1;
1297	$map->{instantiate_time} = $cf::RUNTIME;
1298	$map->last_access ($cf::RUNTIME);
1299	$map->instantiate;
1300
1301	# per-player maps become, after loading, normal maps
1302	$map->per_player (0) if $path->{user_rel};
1303	}
1304
1305	$map->path ($key);
1306	$map->{path} = $path;
1307	$map->{last_save} = $cf::RUNTIME;	1422	$map->{last_save} = $cf::RUNTIME;
1308		1423
1309	Coro::cede;	1424	$map->load_header
		1425	or return;
1310		1426
1311	if ($map->should_reset) {	1427	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1428	# doing this can freeze the server in a sync job, obviously
		1429	#$cf::WAIT_FOR_TICK->wait;
1312	$map->reset;	1430	$map->reset;
1313	undef $guard;	1431	undef $guard;
1314	$map = find $path	1432	return find $path;
1315	or return;
1316	}	1433	}
1317		1434
1318	$cf::MAP{$key} = $map	1435	$cf::MAP{$path} = $map
1319	}	1436	}
1320	}	1437	}
		1438
		1439	sub pre_load { }
		1440	sub post_load { }
1321		1441
1322	sub load {	1442	sub load {
1323	my ($self) = @_;	1443	my ($self) = @_;
1324		1444
		1445	local $self->{deny_reset} = 1; # loading can take a long time
		1446
1325	my $path = $self->{path};	1447	my $path = $self->{path};
1326	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1448	my $guard = cf::lock_acquire "map_load:$path";
1327		1449
1328	return if $self->in_memory != cf::MAP_SWAPPED;	1450	return if $self->in_memory != cf::MAP_SWAPPED;
1329		1451
1330	$self->in_memory (cf::MAP_LOADING);	1452	$self->in_memory (cf::MAP_LOADING);
1331		1453
1332	$self->alloc;	1454	$self->alloc;
		1455
		1456	$self->pre_load;
		1457
1333	$self->load_objects ($self->{load_path}, 1)	1458	$self->_load_objects ($self->{load_path}, 1)
1334	or return;	1459	or return;
1335		1460
1336	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1461	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1337	if delete $self->{load_original};	1462	if delete $self->{load_original};
1338		1463
1339	if (my $uniq = $path->uniq_path) {	1464	if (my $uniq = $self->uniq_path) {
1340	utf8::encode $uniq;	1465	utf8::encode $uniq;
1341	if (aio_open $uniq, O_RDONLY, 0) {	1466	if (aio_open $uniq, O_RDONLY, 0) {
1342	$self->clear_unique_items;	1467	$self->clear_unique_items;
1343	$self->load_objects ($uniq, 0);	1468	$self->_load_objects ($uniq, 0);
1344	}	1469	}
1345	}	1470	}
1346		1471
1347	Coro::cede;	1472	Coro::cede;
1348		1473
1349	# now do the right thing for maps	1474	# now do the right thing for maps
1350	$self->link_multipart_objects;	1475	$self->link_multipart_objects;
1351		1476
1352	if ($self->{path}->is_style_map) {	1477	unless ($self->{deny_activate}) {
1353	$self->{deny_save} = 1;	1478	$self->decay_objects;
1354	$self->{deny_reset} = 1;
1355	} else {
1356	$self->fix_auto_apply;	1479	$self->fix_auto_apply;
1357	$self->decay_objects;
1358	$self->update_buttons;	1480	$self->update_buttons;
		1481	Coro::cede;
1359	$self->set_darkness_map;	1482	$self->set_darkness_map;
1360	$self->difficulty ($self->estimate_difficulty)	1483	$self->difficulty ($self->estimate_difficulty)
1361	unless $self->difficulty;	1484	unless $self->difficulty;
		1485	Coro::cede;
1362	$self->activate;	1486	$self->activate;
1363	}	1487	}
1364		1488
1365	Coro::cede;	1489	$self->post_load;
1366		1490
1367	$self->in_memory (cf::MAP_IN_MEMORY);	1491	$self->in_memory (cf::MAP_IN_MEMORY);
		1492	}
		1493
		1494	sub customise_for {
		1495	my ($self, $ob) = @_;
		1496
		1497	return find "~" . $ob->name . "/" . $self->{path}
		1498	if $self->per_player;
		1499
		1500	$self
		1501	}
		1502
		1503	# find and load all maps in the 3x3 area around a map
		1504	sub load_diag {
		1505	my ($map) = @_;
		1506
		1507	my @diag; # diagonal neighbours
		1508
		1509	for (0 .. 3) {
		1510	my $neigh = $map->tile_path ($_)
		1511	or next;
		1512	$neigh = find $neigh, $map
		1513	or next;
		1514	$neigh->load;
		1515
		1516	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1517	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1518	}
		1519
		1520	for (@diag) {
		1521	my $neigh = find @$_
		1522	or next;
		1523	$neigh->load;
		1524	}
1368	}	1525	}
1369		1526
1370	sub find_sync {	1527	sub find_sync {
1371	my ($path, $origin) = @_;	1528	my ($path, $origin) = @_;
1372		1529
1373	cf::sync_job { cf::map::find $path, $origin }	1530	cf::sync_job { find $path, $origin }
1374	}	1531	}
1375		1532
1376	sub do_load_sync {	1533	sub do_load_sync {
1377	my ($map) = @_;	1534	my ($map) = @_;
1378		1535
1379	cf::sync_job { $map->load };	1536	cf::sync_job { $map->load };
1380	}	1537	}
1381		1538
		1539	our %MAP_PREFETCH;
		1540	our $MAP_PREFETCHER = undef;
		1541
		1542	sub find_async {
		1543	my ($path, $origin) = @_;
		1544
		1545	$path = normalise $path, $origin && $origin->{path};
		1546
		1547	if (my $map = $cf::MAP{$path}) {
		1548	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1549	}
		1550
		1551	undef $MAP_PREFETCH{$path};
		1552	$MAP_PREFETCHER ||= cf::async {
		1553	while (%MAP_PREFETCH) {
		1554	for my $path (keys %MAP_PREFETCH) {
		1555	my $map = find $path
		1556	or next;
		1557	$map->load;
		1558
		1559	delete $MAP_PREFETCH{$path};
		1560	}
		1561	}
		1562	undef $MAP_PREFETCHER;
		1563	};
		1564	$MAP_PREFETCHER->prio (6);
		1565
		1566	()
		1567	}
		1568
1382	sub save {	1569	sub save {
1383	my ($self) = @_;	1570	my ($self) = @_;
1384		1571
1385	my $lock = cf::lock_acquire "map_data:" . $self->path;	1572	my $lock = cf::lock_acquire "map_data:" . $self->path;
1386		1573
1387	$self->{last_save} = $cf::RUNTIME;	1574	$self->{last_save} = $cf::RUNTIME;
1388		1575
1389	return unless $self->dirty;	1576	return unless $self->dirty;
1390		1577
1391	my $save = $self->{path}->save_path; utf8::encode $save;	1578	my $save = $self->save_path; utf8::encode $save;
1392	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1579	my $uniq = $self->uniq_path; utf8::encode $uniq;
1393		1580
1394	$self->{load_path} = $save;	1581	$self->{load_path} = $save;
1395		1582
1396	return if $self->{deny_save};	1583	return if $self->{deny_save};
1397		1584
…		…
1400	cf::async {	1587	cf::async {
1401	$_->contr->save for $self->players;	1588	$_->contr->save for $self->players;
1402	};	1589	};
1403		1590
1404	if ($uniq) {	1591	if ($uniq) {
1405	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1406	$self->save_objects ($uniq, cf::IO_UNIQUES);	1593	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1407	} else {	1594	} else {
1408	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1595	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1409	}	1596	}
1410	}	1597	}
1411		1598
1412	sub swap_out {	1599	sub swap_out {
1413	my ($self) = @_;	1600	my ($self) = @_;
…		…
1427		1614
1428	sub reset_at {	1615	sub reset_at {
1429	my ($self) = @_;	1616	my ($self) = @_;
1430		1617
1431	# TODO: safety, remove and allow resettable per-player maps	1618	# TODO: safety, remove and allow resettable per-player maps
1432	return 1e99 if $self->{path}{user_rel};	1619	return 1e99 if $self->isa ("ext::map_per_player");#d#
1433	return 1e99 if $self->{deny_reset};	1620	return 1e99 if $self->{deny_reset};
1434		1621
1435	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1622	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1436	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1623	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1437		1624
…		…
1442	my ($self) = @_;	1629	my ($self) = @_;
1443		1630
1444	$self->reset_at <= $cf::RUNTIME	1631	$self->reset_at <= $cf::RUNTIME
1445	}	1632	}
1446		1633
1447	sub unlink_save {
1448	my ($self) = @_;
1449
1450	utf8::encode (my $save = $self->{path}->save_path);
1451	aioreq_pri 3; IO::AIO::aio_unlink $save;
1452	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1453	}
1454
1455	sub rename {
1456	my ($self, $new_path) = @_;
1457
1458	$self->unlink_save;
1459
1460	delete $cf::MAP{$self->path};
1461	$self->{path} = new cf::path $new_path;
1462	$self->path ($self->{path}->as_string);
1463	$cf::MAP{$self->path} = $self;
1464
1465	$self->save;
1466	}
1467
1468	sub reset {	1634	sub reset {
1469	my ($self) = @_;	1635	my ($self) = @_;
1470		1636
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	1637	my $lock = cf::lock_acquire "map_data:$self->{path}";
1472		1638
1473	return if $self->players;	1639	return if $self->players;
1474	return if $self->{path}{user_rel};#d#	1640	return if $self->isa ("ext::map_per_player");#d#
1475		1641
1476	warn "resetting map ", $self->path;#d#	1642	warn "resetting map ", $self->path;#d#
1477		1643
		1644	$self->in_memory (cf::MAP_SWAPPED);
		1645
		1646	# need to save uniques path
		1647	unless ($self->{deny_save}) {
		1648	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1649
		1650	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1651	if $uniq;
		1652	}
		1653
1478	delete $cf::MAP{$self->path};	1654	delete $cf::MAP{$self->path};
		1655
		1656	$self->clear;
1479		1657
1480	$_->clear_links_to ($self) for values %cf::MAP;	1658	$_->clear_links_to ($self) for values %cf::MAP;
1481		1659
1482	$self->unlink_save;	1660	$self->unlink_save;
1483	$self->destroy;	1661	$self->destroy;
…		…
1486	my $nuke_counter = "aaaa";	1664	my $nuke_counter = "aaaa";
1487		1665
1488	sub nuke {	1666	sub nuke {
1489	my ($self) = @_;	1667	my ($self) = @_;
1490		1668
		1669	delete $cf::MAP{$self->path};
		1670
		1671	$self->unlink_save;
		1672
		1673	bless $self, "cf::map";
		1674	delete $self->{deny_reset};
1491	$self->{deny_save} = 1;	1675	$self->{deny_save} = 1;
1492	$self->reset_timeout (1);	1676	$self->reset_timeout (1);
1493	$self->rename ("{nuke}/" . ($nuke_counter++));	1677	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1678
		1679	$cf::MAP{$self->path} = $self;
		1680
1494	$self->reset; # polite request, might not happen	1681	$self->reset; # polite request, might not happen
1495	}	1682	}
1496		1683
1497	sub customise_for {	1684	=item cf::map::unique_maps
1498	my ($map, $ob) = @_;
1499		1685
1500	if ($map->per_player) {	1686	Returns an arrayref of paths of all shared maps that have
1501	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1687	instantiated unique items. May block.
1502	}
1503		1688
1504	$map	1689	=cut
1505	}
1506		1690
1507	sub emergency_save {	1691	sub unique_maps() {
1508	my $freeze_guard = cf::freeze_mainloop;	1692	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1693	or return;
1509		1694
1510	warn "enter emergency perl save\n";	1695	my @paths;
1511		1696
1512	cf::sync_job {	1697	for (@$files) {
1513	warn "begin emergency player save\n";	1698	utf8::decode $_;
1514	$_->save for values %cf::PLAYER;	1699	next if /\.pst$/;
1515	warn "end emergency player save\n";	1700	next unless /^$PATH_SEP/o;
1516		1701
1517	warn "begin emergency map save\n";	1702	push @paths, cf::map::normalise $_;
1518	$_->save for values %cf::MAP;
1519	warn "end emergency map save\n";
1520	};	1703	}
1521		1704
1522	warn "leave emergency perl save\n";	1705	\@paths
1523	}	1706	}
1524		1707
1525	package cf;	1708	package cf;
1526		1709
1527	=back	1710	=back
1528		1711
		1712	=head3 cf::object
		1713
		1714	=cut
		1715
		1716	package cf::object;
		1717
		1718	=over 4
		1719
		1720	=item $ob->inv_recursive
		1721
		1722	Returns the inventory of the object _and_ their inventories, recursively.
		1723
		1724	=cut
		1725
		1726	sub inv_recursive_;
		1727	sub inv_recursive_ {
		1728	map { $_, inv_recursive_ $_->inv } @_
		1729	}
		1730
		1731	sub inv_recursive {
		1732	inv_recursive_ inv $_[0]
		1733	}
		1734
		1735	package cf;
		1736
		1737	=back
1529		1738
1530	=head3 cf::object::player	1739	=head3 cf::object::player
1531		1740
1532	=over 4	1741	=over 4
1533		1742
…		…
1573		1782
1574	=item $player_object->enter_link	1783	=item $player_object->enter_link
1575		1784
1576	Freezes the player and moves him/her to a special map (C<{link}>).	1785	Freezes the player and moves him/her to a special map (C<{link}>).
1577		1786
1578	The player should be reaosnably safe there for short amounts of time. You	1787	The player should be reasonably safe there for short amounts of time. You
1579	I<MUST> call C<leave_link> as soon as possible, though.	1788	I<MUST> call C<leave_link> as soon as possible, though.
1580		1789
		1790	Will never block.
		1791
1581	=item $player_object->leave_link ($map, $x, $y)	1792	=item $player_object->leave_link ($map, $x, $y)
1582		1793
1583	Moves the player out of the specila link map onto the given map. If the	1794	Moves the player out of the special C<{link}> map onto the specified
1584	map is not valid (or omitted), the player will be moved back to the	1795	map. If the map is not valid (or omitted), the player will be moved back
1585	location he/she was before the call to C<enter_link>, or, if that fails,	1796	to the location he/she was before the call to C<enter_link>, or, if that
1586	to the emergency map position.	1797	fails, to the emergency map position.
1587		1798
1588	Might block.	1799	Might block.
1589		1800
1590	=cut	1801	=cut
		1802
		1803	sub link_map {
		1804	unless ($LINK_MAP) {
		1805	$LINK_MAP = cf::map::find "{link}"
		1806	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1807	$LINK_MAP->load;
		1808	}
		1809
		1810	$LINK_MAP
		1811	}
1591		1812
1592	sub cf::object::player::enter_link {	1813	sub cf::object::player::enter_link {
1593	my ($self) = @_;	1814	my ($self) = @_;
1594		1815
1595	$self->deactivate_recursive;	1816	$self->deactivate_recursive;
1596		1817
1597	return if $self->map == $LINK_MAP;	1818	return if UNIVERSAL::isa $self->map, "ext::map_link";
1598		1819
1599	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1820	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1600	if $self->map;	1821	if $self->map;
1601		1822
1602	$self->enter_map ($LINK_MAP, 20, 20);	1823	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1603	}	1824	}
1604		1825
1605	sub cf::object::player::leave_link {	1826	sub cf::object::player::leave_link {
1606	my ($self, $map, $x, $y) = @_;	1827	my ($self, $map, $x, $y) = @_;
1607		1828
…		…
1625	# use -1 or undef as default coordinates, not 0, 0	1846	# use -1 or undef as default coordinates, not 0, 0
1626	($x, $y) = ($map->enter_x, $map->enter_y)	1847	($x, $y) = ($map->enter_x, $map->enter_y)
1627	if $x <=0 && $y <= 0;	1848	if $x <=0 && $y <= 0;
1628		1849
1629	$map->load;	1850	$map->load;
		1851	$map->load_diag;
1630		1852
1631	return unless $self->contr->active;	1853	return unless $self->contr->active;
1632	$self->activate_recursive;	1854	$self->activate_recursive;
		1855
		1856	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1633	$self->enter_map ($map, $x, $y);	1857	$self->enter_map ($map, $x, $y);
1634	}	1858	}
1635		1859
1636	cf::player->attach (	1860	cf::player->attach (
1637	on_logout => sub {	1861	on_logout => sub {
…		…
1650	# try to abort aborted map switching on player login :)	1874	# try to abort aborted map switching on player login :)
1651	# should happen only on crashes	1875	# should happen only on crashes
1652	if ($pl->ob->{_link_pos}) {	1876	if ($pl->ob->{_link_pos}) {
1653	$pl->ob->enter_link;	1877	$pl->ob->enter_link;
1654	(async {	1878	(async {
1655	# we need this sleep as the login has a concurrent enter_exit running
1656	# and this sleep increases chances of the player not ending up in scorn
1657	$pl->ob->reply (undef,	1879	$pl->ob->reply (undef,
1658	"There was an internal problem at your last logout, "	1880	"There was an internal problem at your last logout, "
1659	. "the server will try to bring you to your intended destination in a second.",	1881	. "the server will try to bring you to your intended destination in a second.",
1660	cf::NDI_RED);	1882	cf::NDI_RED);
		1883	# we need this sleep as the login has a concurrent enter_exit running
		1884	# and this sleep increases chances of the player not ending up in scorn
1661	Coro::Timer::sleep 1;	1885	Coro::Timer::sleep 1;
1662	$pl->ob->leave_link;	1886	$pl->ob->leave_link;
1663	})->prio (2);	1887	})->prio (2);
1664	}	1888	}
1665	},	1889	},
…		…
1673	my ($self, $path, $x, $y) = @_;	1897	my ($self, $path, $x, $y) = @_;
1674		1898
1675	$self->enter_link;	1899	$self->enter_link;
1676		1900
1677	(async {	1901	(async {
1678	$path = new cf::path $path;	1902	my $map = eval {
1679
1680	my $map = cf::map::find $path->as_string;	1903	my $map = cf::map::find $path;
1681	$map = $map->customise_for ($self) if $map;	1904	$map = $map->customise_for ($self) if $map;
1682		1905	$map
1683	# warn "entering ", $map->path, " at ($x, $y)\n"	1906	} or
1684	# if $map;
1685
1686	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1907	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1687		1908
1688	$self->leave_link ($map, $x, $y);	1909	$self->leave_link ($map, $x, $y);
1689	})->prio (1);	1910	})->prio (1);
1690	}	1911	}
1691		1912
…		…
1695		1916
1696	sub parse_random_map_params {	1917	sub parse_random_map_params {
1697	my ($spec) = @_;	1918	my ($spec) = @_;
1698		1919
1699	my $rmp = { # defaults	1920	my $rmp = { # defaults
1700	xsize => 10,	1921	xsize => (cf::rndm 15, 40),
1701	ysize => 10,	1922	ysize => (cf::rndm 15, 40),
		1923	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1924	#layout => string,
1702	};	1925	};
1703		1926
1704	for (split /\n/, $spec) {	1927	for (split /\n/, $spec) {
1705	my ($k, $v) = split /\s+/, $_, 2;	1928	my ($k, $v) = split /\s+/, $_, 2;
1706		1929
…		…
1710	$rmp	1933	$rmp
1711	}	1934	}
1712		1935
1713	sub prepare_random_map {	1936	sub prepare_random_map {
1714	my ($exit) = @_;	1937	my ($exit) = @_;
		1938
		1939	my $guard = cf::lock_acquire "exit_prepare:$exit";
1715		1940
1716	# all this does is basically replace the /! path by	1941	# all this does is basically replace the /! path by
1717	# a new random map path (?random/...) with a seed	1942	# a new random map path (?random/...) with a seed
1718	# that depends on the exit object	1943	# that depends on the exit object
1719		1944
1720	my $rmp = parse_random_map_params $exit->msg;	1945	my $rmp = parse_random_map_params $exit->msg;
1721		1946
1722	if ($exit->map) {	1947	if ($exit->map) {
1723	$rmp->{region} = $exit->map->region_name;	1948	$rmp->{region} = $exit->region->name;
1724	$rmp->{origin_map} = $exit->map->path;	1949	$rmp->{origin_map} = $exit->map->path;
1725	$rmp->{origin_x} = $exit->x;	1950	$rmp->{origin_x} = $exit->x;
1726	$rmp->{origin_y} = $exit->y;	1951	$rmp->{origin_y} = $exit->y;
1727	}	1952	}
1728		1953
1729	$rmp->{random_seed} ||= $exit->random_seed;	1954	$rmp->{random_seed} ||= $exit->random_seed;
1730		1955
1731	my $data = cf::to_json $rmp;	1956	my $data = cf::to_json $rmp;
1732	my $md5 = Digest::MD5::md5_hex $data;	1957	my $md5 = Digest::MD5::md5_hex $data;
		1958	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1733		1959
1734	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1960	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1735	aio_write $fh, 0, (length $data), $data, 0;	1961	aio_write $fh, 0, (length $data), $data, 0;
		1962	undef $fh;
		1963	aio_rename "$meta~", $meta;
1736		1964
1737	$exit->slaying ("?random/$md5");	1965	$exit->slaying ("?random/$md5");
1738	$exit->msg (undef);	1966	$exit->msg (undef);
1739	}	1967	}
1740	}	1968	}
1741		1969
1742	sub cf::object::player::enter_exit {	1970	sub cf::object::player::enter_exit {
1743	my ($self, $exit) = @_;	1971	my ($self, $exit) = @_;
1744		1972
1745	return unless $self->type == cf::PLAYER;	1973	return unless $self->type == cf::PLAYER;
		1974
		1975	if ($exit->slaying eq "/!") {
		1976	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1977	# the problem is that $exit might not survive long enough
		1978	# so it needs to be done right now, right here
		1979	cf::sync_job { prepare_random_map $exit };
		1980	}
		1981
		1982	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1983	my $hp = $exit->stats->hp;
		1984	my $sp = $exit->stats->sp;
1746		1985
1747	$self->enter_link;	1986	$self->enter_link;
1748		1987
1749	(async {	1988	(async {
1750	$self->deactivate_recursive; # just to be sure	1989	$self->deactivate_recursive; # just to be sure
1751	unless (eval {	1990	unless (eval {
1752	prepare_random_map $exit	1991	$self->goto ($slaying, $hp, $sp);
1753	if $exit->slaying eq "/!";
1754
1755	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1756	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1757		1992
1758	1;	1993	1;
1759	}) {	1994	}) {
1760	$self->message ("Something went wrong deep within the crossfire server. "	1995	$self->message ("Something went wrong deep within the crossfire server. "
1761	. "I'll try to bring you back to the map you were before. "	1996	. "I'll try to bring you back to the map you were before. "
1762	. "Please report this to the dungeon master",	1997	. "Please report this to the dungeon master!",
1763	cf::NDI_UNIQUE | cf::NDI_RED);	1998	cf::NDI_UNIQUE | cf::NDI_RED);
1764		1999
1765	warn "ERROR in enter_exit: $@";	2000	warn "ERROR in enter_exit: $@";
1766	$self->leave_link;	2001	$self->leave_link;
1767	}	2002	}
1768	})->prio (1);	2003	})->prio (1);
…		…
1781		2016
1782	sub cf::client::send_drawinfo {	2017	sub cf::client::send_drawinfo {
1783	my ($self, $text, $flags) = @_;	2018	my ($self, $text, $flags) = @_;
1784		2019
1785	utf8::encode $text;	2020	utf8::encode $text;
1786	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2021	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1787	}	2022	}
1788		2023
		2024	=item $client->ext_event ($type, %msg)
		2025
		2026	Sends an exti event to the client.
		2027
		2028	=cut
		2029
		2030	sub cf::client::ext_event($$%) {
		2031	my ($self, $type, %msg) = @_;
		2032
		2033	$msg{msgtype} = "event_$type";
		2034	$self->send_packet ("ext " . cf::to_json \%msg);
		2035	}
1789		2036
1790	=item $success = $client->query ($flags, "text", \&cb)	2037	=item $success = $client->query ($flags, "text", \&cb)
1791		2038
1792	Queues a query to the client, calling the given callback with	2039	Queues a query to the client, calling the given callback with
1793	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2040	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1822	# get handled first	2069	# get handled first
1823	my $queue = delete $ns->{query_queue}	2070	my $queue = delete $ns->{query_queue}
1824	or return; # be conservative, not sure how that can happen, but we saw a crash here	2071	or return; # be conservative, not sure how that can happen, but we saw a crash here
1825		2072
1826	(shift @$queue)->[1]->($msg);	2073	(shift @$queue)->[1]->($msg);
		2074	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1827		2075
1828	push @{ $ns->{query_queue} }, @$queue;	2076	push @{ $ns->{query_queue} }, @$queue;
1829		2077
1830	if (@{ $ns->{query_queue} } == @$queue) {	2078	if (@{ $ns->{query_queue} } == @$queue) {
1831	if (@$queue) {	2079	if (@$queue) {
…		…
1889		2137
1890	# here we export the classes and methods available to script code	2138	# here we export the classes and methods available to script code
1891		2139
1892	=pod	2140	=pod
1893		2141
1894	The following fucntions and emthods are available within a safe environment:	2142	The following functions and methods are available within a safe environment:
1895		2143
1896	cf::object contr pay_amount pay_player map	2144	cf::object contr pay_amount pay_player map
1897	cf::object::player player	2145	cf::object::player player
1898	cf::player peaceful	2146	cf::player peaceful
1899	cf::map trigger	2147	cf::map trigger
…		…
1992	The parameter C<$family> should best start with the name of the extension	2240	The parameter C<$family> should best start with the name of the extension
1993	using it, it should be unique.	2241	using it, it should be unique.
1994		2242
1995	=over 4	2243	=over 4
1996		2244
1997	=item $hashref = cf::db_get $family
1998
1999	Return a hashref for use by the extension C<$family>, which can be
2000	modified. After modifications, you have to call C<cf::db_dirty> or
2001	C<cf::db_sync>.
2002
2003	=item $value = cf::db_get $family => $key	2245	=item $value = cf::db_get $family => $key
2004		2246
2005	Returns a single value from the database	2247	Returns a single value from the database.
2006
2007	=item cf::db_put $family => $hashref
2008
2009	Stores the given family hashref into the database. Updates are delayed, if
2010	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2011		2248
2012	=item cf::db_put $family => $key => $value	2249	=item cf::db_put $family => $key => $value
2013		2250
2014	Stores the given C<$value> in the family hash. Updates are delayed, if you	2251	Stores the given C<$value> in the family.
2015	want the data to be synced to disk immediately, use C<cf::db_sync>.
2016
2017	=item cf::db_dirty
2018
2019	Marks the database as dirty, to be updated at a later time.
2020
2021	=item cf::db_sync
2022
2023	Immediately write the database to disk I<if it is dirty>.
2024		2252
2025	=cut	2253	=cut
2026		2254
2027	our $DB;	2255	our $DB;
2028		2256
2029	{	2257	sub db_init {
		2258	unless ($DB) {
		2259	$DB = BDB::db_create $DB_ENV;
		2260
		2261	cf::sync_job {
		2262	eval {
		2263	$DB->set_flags (BDB::CHKSUM);
		2264
		2265	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2266	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2267	cf::cleanup "db_open(db): $!" if $!;
		2268	};
		2269	cf::cleanup "db_open(db): $@" if $@;
		2270	};
		2271
2030	my $path = cf::localdir . "/database.pst";	2272	my $path = cf::localdir . "/database.pst";
		2273	if (stat $path) {
		2274	cf::sync_job {
		2275	my $pst = Storable::retrieve $path;
2031		2276
2032	sub db_load() {	2277	cf::db_put (board => data => $pst->{board});
2033	$DB = stat $path ? Storable::retrieve $path : { };	2278	cf::db_put (guildrules => data => $pst->{guildrules});
2034	}	2279	cf::db_put (rent => balance => $pst->{rent}{balance});
		2280	BDB::db_env_txn_checkpoint $DB_ENV;
2035		2281
2036	my $pid;	2282	unlink $path;
2037
2038	sub db_save() {
2039	waitpid $pid, 0 if $pid;
2040	if (0 == ($pid = fork)) {
2041	$DB->{_meta}{version} = 1;
2042	Storable::nstore $DB, "$path~";
2043	rename "$path~", $path;
2044	cf::_exit 0 if defined $pid;
2045	}	2283	};
2046	}
2047
2048	my $dirty;
2049
2050	sub db_sync() {
2051	db_save if $dirty;
2052	undef $dirty;
2053	}
2054
2055	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2056	db_sync;
2057	});
2058
2059	sub db_dirty() {
2060	$dirty = 1;
2061	$idle->start;
2062	}
2063
2064	sub db_get($;$) {
2065	@_ >= 2
2066	? $DB->{$_[0]}{$_[1]}
2067	: ($DB->{$_[0]} ||= { })
2068	}
2069
2070	sub db_put($$;$) {
2071	if (@_ >= 3) {
2072	$DB->{$_[0]}{$_[1]} = $_[2];
2073	} else {
2074	$DB->{$_[0]} = $_[1];
2075	}
2076	db_dirty;
2077	}
2078
2079	cf::global->attach (
2080	prio => 10000,
2081	on_cleanup => sub {
2082	db_sync;
2083	},	2284	}
2084	);	2285	}
		2286	}
		2287
		2288	sub db_get($$) {
		2289	my $key = "$_[0]/$_[1]";
		2290
		2291	cf::sync_job {
		2292	BDB::db_get $DB, undef, $key, my $data;
		2293
		2294	$! ? ()
		2295	: Compress::LZF::sthaw $data
		2296	}
		2297	}
		2298
		2299	sub db_put($$$) {
		2300	BDB::dbreq_pri 4;
		2301	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2085	}	2302	}
2086		2303
2087	#############################################################################	2304	#############################################################################
2088	# the server's main()	2305	# the server's init and main functions
		2306
		2307	sub load_facedata {
		2308	my $path = sprintf "%s/facedata", cf::datadir;
		2309
		2310	warn "loading facedata from $path\n";
		2311
		2312	my $facedata;
		2313	0 < aio_load $path, $facedata
		2314	or die "$path: $!";
		2315
		2316	Coro::cede;
		2317	$facedata = Storable::thaw $facedata;
		2318	Coro::cede;
		2319
		2320	$facedata->{version} == 2
		2321	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2322
		2323	{
		2324	my $faces = $facedata->{faceinfo};
		2325
		2326	while (my ($face, $info) = each %$faces) {
		2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2331	Coro::cede;
		2332	}
		2333
		2334	while (my ($face, $info) = each %$faces) {
		2335	next unless $info->{smooth};
		2336	my $idx = cf::face::find $face
		2337	or next;
		2338	if (my $smooth = cf::face::find $info->{smooth}) {
		2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2340	} else {
		2341	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2342	}
		2343	Coro::cede;
		2344	}
		2345	}
		2346
		2347	{
		2348	my $anims = $facedata->{animinfo};
		2349
		2350	while (my ($anim, $info) = each %$anims) {
		2351	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2352	Coro::cede;
		2353	}
		2354
		2355	cf::anim::invalidate_all; # d'oh
		2356	}
		2357
		2358	1
		2359	}
		2360
		2361	sub reload_resources {
		2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2363	or die "unable to load regions file\n";#d#
		2364	load_facedata
		2365	or die "unable to load facedata\n";#d#
		2366	}
		2367
		2368	sub init {
		2369	reload_resources;
		2370	}
2089		2371
2090	sub cfg_load {	2372	sub cfg_load {
2091	open my $fh, "<:utf8", cf::confdir . "/config"	2373	open my $fh, "<:utf8", cf::confdir . "/config"
2092	or return;	2374	or return;
2093		2375
…		…
2099	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2381	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2100	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	2382	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2101		2383
2102	if (exists $CFG{mlockall}) {	2384	if (exists $CFG{mlockall}) {
2103	eval {	2385	eval {
2104	$CFG{mlockall} ? &mlockall : &munlockall	2386	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2105	and die "WARNING: m(un)lockall failed: $!\n";	2387	and die "WARNING: m(un)lockall failed: $!\n";
2106	};	2388	};
2107	warn $@ if $@;	2389	warn $@ if $@;
2108	}	2390	}
2109	}	2391	}
2110		2392
2111	sub main {	2393	sub main {
2112	# we must not ever block the main coroutine	2394	# we must not ever block the main coroutine
2113	local $Coro::idle = sub {	2395	local $Coro::idle = sub {
2114	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2396	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2397	(async {
2115	async { Event::one_event };	2398	Event::one_event;
		2399	})->prio (Coro::PRIO_MAX);
2116	};	2400	};
2117		2401
2118	cfg_load;	2402	cfg_load;
2119	db_load;	2403	db_init;
2120	load_extensions;	2404	load_extensions;
		2405
		2406	$TICK_WATCHER->start;
2121	Event::loop;	2407	Event::loop;
2122	}	2408	}
2123		2409
2124	#############################################################################	2410	#############################################################################
2125	# initialisation	2411	# initialisation and cleanup
		2412
		2413	# install some emergency cleanup handlers
		2414	BEGIN {
		2415	for my $signal (qw(INT HUP TERM)) {
		2416	Event->signal (
		2417	reentrant => 0,
		2418	data => WF_AUTOCANCEL,
		2419	signal => $signal,
		2420	prio => 0,
		2421	cb => sub {
		2422	cf::cleanup "SIG$signal";
		2423	},
		2424	);
		2425	}
		2426	}
		2427
		2428	sub emergency_save() {
		2429	my $freeze_guard = cf::freeze_mainloop;
		2430
		2431	warn "enter emergency perl save\n";
		2432
		2433	cf::sync_job {
		2434	# use a peculiar iteration method to avoid tripping on perl
		2435	# refcount bugs in for. also avoids problems with players
		2436	# and maps saved/destroyed asynchronously.
		2437	warn "begin emergency player save\n";
		2438	for my $login (keys %cf::PLAYER) {
		2439	my $pl = $cf::PLAYER{$login} or next;
		2440	$pl->valid or next;
		2441	$pl->save;
		2442	}
		2443	warn "end emergency player save\n";
		2444
		2445	warn "begin emergency map save\n";
		2446	for my $path (keys %cf::MAP) {
		2447	my $map = $cf::MAP{$path} or next;
		2448	$map->valid or next;
		2449	$map->save;
		2450	}
		2451	warn "end emergency map save\n";
		2452
		2453	warn "begin emergency database checkpoint\n";
		2454	BDB::db_env_txn_checkpoint $DB_ENV;
		2455	warn "end emergency database checkpoint\n";
		2456	};
		2457
		2458	warn "leave emergency perl save\n";
		2459	}
		2460
		2461	sub post_cleanup {
		2462	my ($make_core) = @_;
		2463
		2464	warn Carp::longmess "post_cleanup backtrace"
		2465	if $make_core;
		2466	}
2126		2467
2127	sub reload() {	2468	sub reload() {
2128	# can/must only be called in main	2469	# can/must only be called in main
2129	if ($Coro::current != $Coro::main) {	2470	if ($Coro::current != $Coro::main) {
2130	warn "can only reload from main coroutine\n";	2471	warn "can only reload from main coroutine";
2131	return;	2472	return;
2132	}	2473	}
2133		2474
2134	warn "reloading...";	2475	warn "reloading...";
2135		2476
2136	my $guard = freeze_mainloop;	2477	warn "entering sync_job";
		2478
		2479	cf::sync_job {
		2480	cf::write_runtime; # external watchdog should not bark
2137	cf::emergency_save;	2481	cf::emergency_save;
		2482	cf::write_runtime; # external watchdog should not bark
2138		2483
2139	eval {	2484	warn "syncing database to disk";
		2485	BDB::db_env_txn_checkpoint $DB_ENV;
		2486
2140	# if anything goes wrong in here, we should simply crash as we already saved	2487	# if anything goes wrong in here, we should simply crash as we already saved
2141		2488
2142	# cancel all watchers	2489	warn "cancelling all WF_AUTOCANCEL watchers";
2143	for (Event::all_watchers) {	2490	for (Event::all_watchers) {
2144	$_->cancel if $_->data & WF_AUTOCANCEL;	2491	$_->cancel if $_->data & WF_AUTOCANCEL;
2145	}	2492	}
2146		2493
		2494	warn "flushing outstanding aio requests";
		2495	for (;;) {
		2496	BDB::flush;
		2497	IO::AIO::flush;
		2498	Coro::cede;
		2499	last unless IO::AIO::nreqs || BDB::nreqs;
		2500	warn "iterate...";
		2501	}
		2502
		2503	++$RELOAD;
		2504
2147	# cancel all extension coros	2505	warn "cancelling all extension coros";
2148	$_->cancel for values %EXT_CORO;	2506	$_->cancel for values %EXT_CORO;
2149	%EXT_CORO = ();	2507	%EXT_CORO = ();
2150		2508
2151	# unload all extensions	2509	warn "removing commands";
2152	for (@exts) {	2510	%COMMAND = ();
		2511
		2512	warn "removing ext commands";
		2513	%EXTCMD = ();
		2514
		2515	warn "unloading/nuking all extensions";
		2516	for my $pkg (@EXTS) {
2153	warn "unloading <$_>";	2517	warn "... unloading $pkg";
2154	unload_extension $_;	2518
		2519	if (my $cb = $pkg->can ("unload")) {
		2520	eval {
		2521	$cb->($pkg);
		2522	1
		2523	} or warn "$pkg unloaded, but with errors: $@";
2155	}	2524	}
2156		2525
		2526	warn "... nuking $pkg";
		2527	Symbol::delete_package $pkg;
		2528	}
		2529
2157	# unload all modules loaded from $LIBDIR	2530	warn "unloading all perl modules loaded from $LIBDIR";
2158	while (my ($k, $v) = each %INC) {	2531	while (my ($k, $v) = each %INC) {
2159	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2532	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2160		2533
2161	warn "removing <$k>";	2534	warn "... unloading $k";
2162	delete $INC{$k};	2535	delete $INC{$k};
2163		2536
2164	$k =~ s/\.pm$//;	2537	$k =~ s/\.pm$//;
2165	$k =~ s/\//::/g;	2538	$k =~ s/\//::/g;
2166		2539
…		…
2169	}	2542	}
2170		2543
2171	Symbol::delete_package $k;	2544	Symbol::delete_package $k;
2172	}	2545	}
2173		2546
2174	# sync database to disk
2175	cf::db_sync;
2176	IO::AIO::flush;
2177
2178	# get rid of safe::, as good as possible	2547	warn "getting rid of safe::, as good as possible";
2179	Symbol::delete_package "safe::$_"	2548	Symbol::delete_package "safe::$_"
2180	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2549	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2181		2550
2182	# remove register_script_function callbacks
2183	# TODO
2184
2185	# unload cf.pm "a bit"	2551	warn "unloading cf.pm \"a bit\"";
2186	delete $INC{"cf.pm"};	2552	delete $INC{"cf.pm"};
2187		2553
2188	# don't, removes xs symbols, too,	2554	# don't, removes xs symbols, too,
2189	# and global variables created in xs	2555	# and global variables created in xs
2190	#Symbol::delete_package __PACKAGE__;	2556	#Symbol::delete_package __PACKAGE__;
2191		2557
2192	# reload cf.pm	2558	warn "unload completed, starting to reload now";
		2559
2193	warn "reloading cf.pm";	2560	warn "reloading cf.pm";
2194	require cf;	2561	require cf;
2195	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2196		2563
2197	# load config and database again	2564	warn "loading config and database again";
2198	cf::cfg_load;	2565	cf::cfg_load;
2199	cf::db_load;
2200		2566
2201	# load extensions
2202	warn "load extensions";	2567	warn "loading extensions";
2203	cf::load_extensions;	2568	cf::load_extensions;
2204		2569
2205	# reattach attachments to objects	2570	warn "reattaching attachments to objects/players";
2206	warn "reattach";	2571	_global_reattach; # objects, sockets
2207	_global_reattach;	2572	warn "reattaching attachments to maps";
2208	reattach $_ for values %MAP;	2573	reattach $_ for values %MAP;
2209	};	2574	warn "reattaching attachments to players";
		2575	reattach $_ for values %PLAYER;
2210		2576
2211	if ($@) {	2577	warn "loading reloadable resources";
		2578	reload_resources;
		2579
		2580	warn "leaving sync_job";
		2581
		2582	1
		2583	} or do {
2212	warn $@;	2584	warn $@;
2213	warn "error while reloading, exiting.";	2585	warn "error while reloading, exiting.";
2214	exit 1;	2586	exit 1;
2215	}	2587	};
2216		2588
2217	warn "reloaded successfully";	2589	warn "reloaded";
2218	};	2590	};
2219		2591
2220	#############################################################################	2592	our $RELOAD_WATCHER; # used only during reload
2221
2222	unless ($LINK_MAP) {
2223	$LINK_MAP = cf::map::new;
2224
2225	$LINK_MAP->width (41);
2226	$LINK_MAP->height (41);
2227	$LINK_MAP->alloc;
2228	$LINK_MAP->path ("{link}");
2229	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2230	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2231
2232	# dirty hack because... archetypes are not yet loaded
2233	Event->timer (
2234	after => 10,
2235	cb => sub {
2236	$_[0]->w->cancel;
2237
2238	# provide some exits "home"
2239	my $exit = cf::object::new "exit";
2240
2241	$exit->slaying ($EMERGENCY_POSITION->[0]);
2242	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2243	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2244
2245	$LINK_MAP->insert ($exit->clone, 19, 19);
2246	$LINK_MAP->insert ($exit->clone, 19, 20);
2247	$LINK_MAP->insert ($exit->clone, 19, 21);
2248	$LINK_MAP->insert ($exit->clone, 20, 19);
2249	$LINK_MAP->insert ($exit->clone, 20, 21);
2250	$LINK_MAP->insert ($exit->clone, 21, 19);
2251	$LINK_MAP->insert ($exit->clone, 21, 20);
2252	$LINK_MAP->insert ($exit->clone, 21, 21);
2253
2254	$exit->destroy;
2255	});
2256
2257	$LINK_MAP->{deny_save} = 1;
2258	$LINK_MAP->{deny_reset} = 1;
2259
2260	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2261	}
2262
2263	register "<global>", __PACKAGE__;
2264		2593
2265	register_command "reload" => sub {	2594	register_command "reload" => sub {
2266	my ($who, $arg) = @_;	2595	my ($who, $arg) = @_;
2267		2596
2268	if ($who->flag (FLAG_WIZ)) {	2597	if ($who->flag (FLAG_WIZ)) {
2269	$who->message ("start of reload.");	2598	$who->message ("reloading server.");
		2599
		2600	# doing reload synchronously and two reloads happen back-to-back,
		2601	# coro crashes during coro_state_free->destroy here.
		2602
		2603	$RELOAD_WATCHER ||= Event->timer (
		2604	reentrant => 0,
		2605	after => 0,
		2606	data => WF_AUTOCANCEL,
		2607	cb => sub {
2270	reload;	2608	reload;
2271	$who->message ("end of reload.");	2609	undef $RELOAD_WATCHER;
		2610	},
		2611	);
2272	}	2612	}
2273	};	2613	};
2274		2614
2275	unshift @INC, $LIBDIR;	2615	unshift @INC, $LIBDIR;
		2616
		2617	my $bug_warning = 0;
2276		2618
2277	$TICK_WATCHER = Event->timer (	2619	$TICK_WATCHER = Event->timer (
2278	reentrant => 0,	2620	reentrant => 0,
		2621	parked => 1,
2279	prio => 0,	2622	prio => 0,
2280	at => $NEXT_TICK || $TICK,	2623	at => $NEXT_TICK || $TICK,
2281	data => WF_AUTOCANCEL,	2624	data => WF_AUTOCANCEL,
2282	cb => sub {	2625	cb => sub {
		2626	if ($Coro::current != $Coro::main) {
		2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2628	unless ++$bug_warning > 10;
		2629	return;
		2630	}
		2631
		2632	$NOW = Event::time;
		2633
2283	cf::server_tick; # one server iteration	2634	cf::server_tick; # one server iteration
2284	$RUNTIME += $TICK;	2635	$RUNTIME += $TICK;
2285	$NEXT_TICK += $TICK;	2636	$NEXT_TICK += $TICK;
		2637
		2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2639	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2640	Coro::async_pool {
		2641	write_runtime
		2642	or warn "ERROR: unable to write runtime file: $!";
		2643	};
		2644	}
		2645
		2646	$WAIT_FOR_TICK->broadcast;
		2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2648
		2649	# my $AFTER = Event::time;
		2650	# warn $AFTER - $NOW;#d#
2286		2651
2287	# if we are delayed by four ticks or more, skip them all	2652	# if we are delayed by four ticks or more, skip them all
2288	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2289		2654
2290	$TICK_WATCHER->at ($NEXT_TICK);	2655	$TICK_WATCHER->at ($NEXT_TICK);
2291	$TICK_WATCHER->start;	2656	$TICK_WATCHER->start;
2292	},	2657	},
2293	);	2658	);
2294		2659
		2660	{
2295	IO::AIO::max_poll_time $TICK * 0.2;	2661	BDB::max_poll_time $TICK * 0.1;
2296		2662	$BDB_POLL_WATCHER = Event->io (
2297	Event->io (	2663	reentrant => 0,
2298	fd => IO::AIO::poll_fileno,	2664	fd => BDB::poll_fileno,
2299	poll => 'r',	2665	poll => 'r',
2300	prio => 5,	2666	prio => 0,
2301	data => WF_AUTOCANCEL,
2302	cb => \&IO::AIO::poll_cb,
2303	);
2304
2305	Event->timer (
2306	data => WF_AUTOCANCEL,	2667	data => WF_AUTOCANCEL,
2307	after => 0,	2668	cb => \&BDB::poll_cb,
2308	interval => 10,	2669	);
2309	cb => sub {	2670	BDB::min_parallel 8;
2310	(Coro::unblock_sub {	2671
2311	write_runtime	2672	BDB::set_sync_prepare {
2312	or warn "ERROR: unable to write runtime file: $!";	2673	my $status;
		2674	my $current = $Coro::current;
		2675	(
		2676	sub {
		2677	$status = $!;
		2678	$current->ready; undef $current;
		2679	},
		2680	sub {
		2681	Coro::schedule while defined $current;
		2682	$! = $status;
		2683	},
		2684	)
		2685	};
		2686
		2687	unless ($DB_ENV) {
		2688	$DB_ENV = BDB::db_env_create;
		2689
		2690	cf::sync_job {
		2691	eval {
		2692	BDB::db_env_open
		2693	$DB_ENV,
		2694	$BDB_ENV_DIR,
		2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2697	0666;
		2698
		2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2700
		2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2702	$DB_ENV->set_lk_detect;
		2703	};
		2704
		2705	cf::cleanup "db_env_open(db): $@" if $@;
2313	})->();	2706	};
2314	},	2707	}
2315	);	2708	}
		2709
		2710	{
		2711	IO::AIO::min_parallel 8;
		2712
		2713	undef $Coro::AIO::WATCHER;
		2714	IO::AIO::max_poll_time $TICK * 0.1;
		2715	$AIO_POLL_WATCHER = Event->io (
		2716	reentrant => 0,
		2717	data => WF_AUTOCANCEL,
		2718	fd => IO::AIO::poll_fileno,
		2719	poll => 'r',
		2720	prio => 6,
		2721	cb => \&IO::AIO::poll_cb,
		2722	);
		2723	}
2316		2724
2317	END { cf::emergency_save }	2725	END { cf::emergency_save }
2318		2726
2319	1	2727	1
2320		2728

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