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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.156 by root, Tue Jan 9 22:07:08 2007 UTC vs.
Revision 1.245 by root, Tue Apr 17 10:06:33 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Storable;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
12		13
13	use Coro 3.3 ();	14	use Coro 3.61 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
		21	use Coro::Storable;
19		22
		23	use BDB ();
20	use Data::Dumper;	24	use Data::Dumper;
21	use Digest::MD5;	25	use Digest::MD5;
22	use Fcntl;	26	use Fcntl;
		27	use YAML::Syck ();
23	use IO::AIO 2.32 ();	28	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	29	use Time::HiRes;
		30	use Compress::LZF;
26		31
		32	# configure various modules to our taste
		33	#
		34	$Storable::canonical = 1; # reduce rsync transfers
		35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		37
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	38	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		39
31	# 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?
32	$YAML::Syck::ImplicitUnicode = 1;	41	$YAML::Syck::ImplicitUnicode = 1;
33		42
34	$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
35		44
		45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		46
36	our %COMMAND = ();	47	our %COMMAND = ();
37	our %COMMAND_TIME = ();	48	our %COMMAND_TIME = ();
		49
		50	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	51	our %EXTCMD = ();
		52	our %EXT_CORO = (); # coroutines bound to extensions
		53	our %EXT_MAP = (); # pluggable maps
39		54
		55	our $RELOAD; # number of reloads so far
40	our @EVENT;	56	our @EVENT;
41	our $LIBDIR = datadir . "/ext";	57	our $LIBDIR = datadir . "/ext";
42		58
43	our $TICK = MAX_TIME * 1e-6;	59	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
44	our $TICK_WATCHER;	60	our $TICK_WATCHER;
		61	our $AIO_POLL_WATCHER;
		62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	63	our $NEXT_TICK;
46	our $NOW;	64	our $NOW;
		65	our $USE_FSYNC = 1; # use fsync to write maps - default off
		66
		67	our $BDB_POLL_WATCHER;
		68	our $DB_ENV;
47		69
48	our %CFG;	70	our %CFG;
49		71
50	our $UPTIME; $UPTIME ||= time;	72	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	73	our $RUNTIME;
52		74
53	our %PLAYER; # all users	75	our %PLAYER; # all users
54	our %MAP; # all maps	76	our %MAP; # all maps
55	our $LINK_MAP; # the special {link} map	77	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";	78	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions	79	our $BDB_ENV_DIR = cf::localdir . "/db";
58		80
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	81	# used to convert map paths into valid unix filenames by replacing / by ∕
60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
61		83
62	binmode STDOUT;	84	binmode STDOUT;
63	binmode STDERR;	85	binmode STDERR;
64		86
65	# read virtual server time, if available	87	# read virtual server time, if available
…		…
72	mkdir cf::localdir;	94	mkdir cf::localdir;
73	mkdir cf::localdir . "/" . cf::playerdir;	95	mkdir cf::localdir . "/" . cf::playerdir;
74	mkdir cf::localdir . "/" . cf::tmpdir;	96	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;	97	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;	98	mkdir $RANDOM_MAPS;
		99	mkdir $BDB_ENV_DIR;
77		100
78	# a special map that is always available
79	our $LINK_MAP;
80	our $EMERGENCY_POSITION;	101	our $EMERGENCY_POSITION;
		102
		103	sub cf::map::normalise;
81		104
82	#############################################################################	105	#############################################################################
83		106
84	=head2 GLOBAL VARIABLES	107	=head2 GLOBAL VARIABLES
85		108
…		…
110	=item %cf::CFG	133	=item %cf::CFG
111		134
112	Configuration for the server, loaded from C</etc/crossfire/config>, or	135	Configuration for the server, loaded from C</etc/crossfire/config>, or
113	from wherever your confdir points to.	136	from wherever your confdir points to.
114		137
115	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	138	=item cf::wait_for_tick, cf::wait_for_tick_begin
116		139
117	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
118	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	141	returns directly I<after> the tick processing (and consequently, can only wake one process
119	processing has been done. Call C<< ->wait >> on them to maximise the	142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
120	window of cpu time available, or simply to synchronise to the server tick.
121		143
122	=back	144	=back
123		145
124	=cut	146	=cut
125		147
…		…
156	}	178	}
157		179
158	$Event::DIED = sub {	180	$Event::DIED = sub {
159	warn "error in event callback: @_";	181	warn "error in event callback: @_";
160	};	182	};
161
162	my %ext_pkg;
163	my @exts;
164	my @hook;
165		183
166	=head2 UTILITY FUNCTIONS	184	=head2 UTILITY FUNCTIONS
167		185
168	=over 4	186	=over 4
169		187
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	207	$d
190	} || "[unable to dump $_[0]: '$@']";	208	} || "[unable to dump $_[0]: '$@']";
191	}	209	}
192		210
193	use JSON::Syck (); # TODO# replace by JSON::PC once working	211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
194		212
195	=item $ref = cf::from_json $json	213	=item $ref = cf::from_json $json
196		214
197	Converts a JSON string into the corresponding perl data structure.	215	Converts a JSON string into the corresponding perl data structure.
198		216
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	217	=item $json = cf::to_json $ref
207		218
208	Converts a perl data structure into its JSON representation.	219	Converts a perl data structure into its JSON representation.
209
210	=cut
211
212	sub to_json($) {
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
214	JSON::Syck::Dump $_[0]
215	}
216		220
217	=item cf::lock_wait $string	221	=item cf::lock_wait $string
218		222
219	Wait until the given lock is available. See cf::lock_acquire.	223	Wait until the given lock is available. See cf::lock_acquire.
220		224
…		…
257	}	261	}
258		262
259	sub freeze_mainloop {	263	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	264	return unless $TICK_WATCHER->is_active;
261		265
262	my $guard = Coro::guard { $TICK_WATCHER->start };	266	my $guard = Coro::guard {
		267	$TICK_WATCHER->start;
		268	};
263	$TICK_WATCHER->stop;	269	$TICK_WATCHER->stop;
264	$guard	270	$guard
265	}	271	}
266		272
267	=item cf::async { BLOCK }	273	=item cf::async { BLOCK }
…		…
319	}	325	}
320	}	326	}
321		327
322	=item $coro = cf::async_ext { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
323		329
324	Like async, but this coro is automcatially being canceled when the	330	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	331	extension calling this is being unloaded.
326		332
327	=cut	333	=cut
328		334
329	sub async_ext(&) {	335	sub async_ext(&) {
…		…
338		344
339	$coro	345	$coro
340	}	346	}
341		347
342	sub write_runtime {	348	sub write_runtime {
		349	my $guard = cf::lock_acquire "write_runtime";
		350
343	my $runtime = cf::localdir . "/runtime";	351	my $runtime = cf::localdir . "/runtime";
344		352
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
346	or return;	354	or return;
347		355
		356	my $value = $cf::RUNTIME + 90 + 10;
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	357	# 10 is the runtime save interval, for a monotonic clock
		358	# 60 allows for the watchdog to kill the server.
		359
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0	360	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;	361	and return;
351		362
		363	# always fsync - this file is important
352	aio_fsync $fh	364	aio_fsync $fh
353	and return;	365	and return;
354		366
355	close $fh	367	close $fh
356	or return;	368	or return;
…		…
359	and return;	371	and return;
360		372
361	1	373	1
362	}	374	}
363		375
		376	=item cf::datalog type => key => value, ...
		377
		378	Log a datalog packet of the given type with the given key-value pairs.
		379
		380	=cut
		381
		382	sub datalog($@) {
		383	my ($type, %kv) = @_;
		384	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		385	}
		386
364	=back	387	=back
365		388
366	=cut	389	=cut
367
368	#############################################################################
369
370	package cf::path;
371
372	# used to convert map paths into valid unix filenames by repalcing / by ∕
373	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
374
375	sub new {
376	my ($class, $path, $base) = @_;
377
378	$path = $path->as_string if ref $path;
379
380	my $self = bless { }, $class;
381
382	# {... are special paths that are not touched
383	# ?xxx/... are special absolute paths
384	# ?random/... random maps
385	# /! non-realised random map exit
386	# /... normal maps
387	# ~/... per-player maps without a specific player (DO NOT USE)
388	# ~user/... per-player map of a specific user
389
390	if ($path =~ /^{/) {
391	# fine as it is
392	} elsif ($path =~ s{^\?random/}{}) {
393	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
394	$self->{random} = cf::from_json $data;
395	} else {
396	if ($path =~ s{^~([^/]+)?}{}) {
397	$self->{user_rel} = 1;
398
399	if (defined $1) {
400	$self->{user} = $1;
401	} elsif ($base =~ m{^~([^/]+)/}) {
402	$self->{user} = $1;
403	} else {
404	warn "cannot resolve user-relative path without user <$path,$base>\n";
405	}
406	} elsif ($path =~ /^\//) {
407	# already absolute
408	} else {
409	$base =~ s{[^/]+/?$}{};
410	return $class->new ("$base/$path");
411	}
412
413	for ($path) {
414	redo if s{/\.?/}{/};
415	redo if s{/[^/]+/\.\./}{/};
416	}
417	}
418
419	$self->{path} = $path;
420
421	$self
422	}
423
424	# the name / primary key / in-game path
425	sub as_string {
426	my ($self) = @_;
427
428	$self->{user_rel} ? "~$self->{user}$self->{path}"
429	: $self->{random} ? "?random/$self->{path}"
430	: $self->{path}
431	}
432
433	# the displayed name, this is a one way mapping
434	sub visible_name {
435	my ($self) = @_;
436
437	# if (my $rmp = $self->{random}) {
438	# # todo: be more intelligent about this
439	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
440	# } else {
441	$self->as_string
442	# }
443	}
444
445	# escape the /'s in the path
446	sub _escaped_path {
447	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
448	$path
449	}
450
451	# the original (read-only) location
452	sub load_path {
453	my ($self) = @_;
454
455	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
456	}
457
458	# the temporary/swap location
459	sub save_path {
460	my ($self) = @_;
461
462	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
463	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
464	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
465	}
466
467	# the unique path, might be eq to save_path
468	sub uniq_path {
469	my ($self) = @_;
470
471	$self->{user_rel} || $self->{random}
472	? undef
473	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
474	}
475
476	# return random map parameters, or undef
477	sub random_map_params {
478	my ($self) = @_;
479
480	$self->{random}
481	}
482
483	# this is somewhat ugly, but style maps do need special treatment
484	sub is_style_map {
485	$_[0]{path} =~ m{^/styles/}
486	}
487
488	package cf;
489		390
490	#############################################################################	391	#############################################################################
491		392
492	=head2 ATTACHABLE OBJECTS	393	=head2 ATTACHABLE OBJECTS
493		394
…		…
619	our @CB_TYPE = (); # registry for type (cf-object class) based events	520	our @CB_TYPE = (); # registry for type (cf-object class) based events
620	our @CB_MAP = ();	521	our @CB_MAP = ();
621		522
622	my %attachment;	523	my %attachment;
623		524
		525	sub cf::attachable::thawer_merge {
		526	# simply override everything except _meta
		527	local $_[0]{_meta};
		528	%{$_[0]} = %{$_[1]};
		529	}
		530
624	sub _attach_cb($$$$) {	531	sub _attach_cb($$$$) {
625	my ($registry, $event, $prio, $cb) = @_;	532	my ($registry, $event, $prio, $cb) = @_;
626		533
627	use sort 'stable';	534	use sort 'stable';
628		535
…		…
799	# object support	706	# object support
800		707
801	sub reattach {	708	sub reattach {
802	# basically do the same as instantiate, without calling instantiate	709	# basically do the same as instantiate, without calling instantiate
803	my ($obj) = @_;	710	my ($obj) = @_;
		711
		712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804		713
805	my $registry = $obj->registry;	714	my $registry = $obj->registry;
806		715
807	@$registry = ();	716	@$registry = ();
808		717
…		…
855	$filename, length $$rdata, scalar @$objs;	764	$filename, length $$rdata, scalar @$objs;
856		765
857	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858	chmod SAVE_MODE, $fh;	767	chmod SAVE_MODE, $fh;
859	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
860	aio_fsync $fh;	769	aio_fsync $fh if $cf::USE_FSYNC;
861	close $fh;	770	close $fh;
862		771
863	if (@$objs) {	772	if (@$objs) {
864	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
865	chmod SAVE_MODE, $fh;	774	chmod SAVE_MODE, $fh;
866	my $data = Storable::nfreeze { version => 1, objs => $objs };	775	my $data = Storable::nfreeze { version => 1, objs => $objs };
867	aio_write $fh, 0, (length $data), $data, 0;	776	aio_write $fh, 0, (length $data), $data, 0;
868	aio_fsync $fh;	777	aio_fsync $fh if $cf::USE_FSYNC;
869	close $fh;	778	close $fh;
870	aio_rename "$filename.pst~", "$filename.pst";	779	aio_rename "$filename.pst~", "$filename.pst";
871	}	780	}
872	} else {	781	} else {
873	aio_unlink "$filename.pst";	782	aio_unlink "$filename.pst";
…		…
940	=cut	849	=cut
941		850
942	sub register_extcmd {	851	sub register_extcmd {
943	my ($name, $cb) = @_;	852	my ($name, $cb) = @_;
944		853
945	my $caller = caller;
946	#warn "registering extcmd '$name' to '$caller'";
947
948	$EXTCMD{$name} = [$cb, $caller];	854	$EXTCMD{$name} = $cb;
949	}	855	}
950		856
951	cf::player->attach (	857	cf::player->attach (
952	on_command => sub {	858	on_command => sub {
953	my ($pl, $name, $params) = @_;	859	my ($pl, $name, $params) = @_;
…		…
966		872
967	my $msg = eval { from_json $buf };	873	my $msg = eval { from_json $buf };
968		874
969	if (ref $msg) {	875	if (ref $msg) {
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
971	if (my %reply = $cb->[0]->($pl, $msg)) {	877	if (my %reply = $cb->($pl, $msg)) {
972	$pl->ext_reply ($msg->{msgid}, %reply);	878	$pl->ext_reply ($msg->{msgid}, %reply);
973	}	879	}
974	}	880	}
975	} else {	881	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
978		884
979	cf::override;	885	cf::override;
980	},	886	},
981	);	887	);
982		888
983	sub register {
984	my ($base, $pkg) = @_;
985
986	#TODO
987	}
988
989	sub load_extension {	889	sub load_extension {
990	my ($path) = @_;	890	my ($path) = @_;
991		891
992	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
993	my $base = $1;	893	my $base = $1;
994	my $pkg = $1;	894	my $pkg = $1;
995	$pkg =~ s/[^[:word:]]/_/g;	895	$pkg =~ s/[^[:word:]]/_/g;
996	$pkg = "ext::$pkg";	896	$pkg = "ext::$pkg";
997		897
998	warn "loading '$path' into '$pkg'\n";	898	warn "... loading '$path' into '$pkg'\n";
999		899
1000	open my $fh, "<:utf8", $path	900	open my $fh, "<:utf8", $path
1001	or die "$path: $!";	901	or die "$path: $!";
1002		902
1003	my $source =	903	my $source =
1004	"package $pkg; use strict; use utf8;\n"	904	"package $pkg; use strict; use utf8;\n"
1005	. "#line 1 \"$path\"\n{\n"	905	. "#line 1 \"$path\"\n{\n"
1006	. (do { local $/; <$fh> })	906	. (do { local $/; <$fh> })
1007	. "\n};\n1";	907	. "\n};\n1";
1008		908
1009	eval $source	909	unless (eval $source) {
1010	or die $@ ? "$path: $@\n"	910	my $msg = $@ ? "$path: $@\n"
1011	: "extension disabled.\n";	911	: "extension disabled.\n";
1012		912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1013	push @exts, $pkg;	913	warn $@;
1014	$ext_pkg{$base} = $pkg;	914	warn "mandatory extension failed to load, exiting.\n";
1015		915	exit 1;
1016	# no strict 'refs';	916	}
1017	# @{"$pkg\::ISA"} = ext::;	917	die $@;
1018
1019	register $base, $pkg;
1020	}
1021
1022	sub unload_extension {
1023	my ($pkg) = @_;
1024
1025	warn "removing extension $pkg\n";
1026
1027	# remove hooks
1028	#TODO
1029	# for my $idx (0 .. $#PLUGIN_EVENT) {
1030	# delete $hook[$idx]{$pkg};
1031	# }	918	}
1032		919
1033	# remove commands	920	push @EXTS, $pkg;
1034	for my $name (keys %COMMAND) {
1035	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1036
1037	if (@cb) {
1038	$COMMAND{$name} = \@cb;
1039	} else {
1040	delete $COMMAND{$name};
1041	}
1042	}
1043
1044	# remove extcmds
1045	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1046	delete $EXTCMD{$name};
1047	}
1048
1049	if (my $cb = $pkg->can ("unload")) {
1050	eval {
1051	$cb->($pkg);
1052	1
1053	} or warn "$pkg unloaded, but with errors: $@";
1054	}
1055
1056	Symbol::delete_package $pkg;
1057	}	921	}
1058		922
1059	sub load_extensions {	923	sub load_extensions {
1060	for my $ext (<$LIBDIR/*.ext>) {	924	for my $ext (<$LIBDIR/*.ext>) {
1061	next unless -r $ext;	925	next unless -r $ext;
…		…
1065	} or warn "$ext not loaded: $@";	929	} or warn "$ext not loaded: $@";
1066	}	930	}
1067	}	931	}
1068		932
1069	#############################################################################	933	#############################################################################
1070	# load/save/clean perl data associated with a map
1071
1072	*cf::mapsupport::on_clean = sub {
1073	my ($map) = @_;
1074
1075	my $path = $map->tmpname;
1076	defined $path or return;
1077
1078	unlink "$path.pst";
1079	};
1080
1081	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1082
1083	#############################################################################
1084		934
1085	=head2 CORE EXTENSIONS	935	=head2 CORE EXTENSIONS
1086		936
1087	Functions and methods that extend core crossfire objects.	937	Functions and methods that extend core crossfire objects.
1088		938
…		…
1111	}	961	}
1112		962
1113	sub path($) {	963	sub path($) {
1114	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1115		965
1116	(playerdir $login) . "/$login.pl"	966	(playerdir $login) . "/playerdata"
1117	}	967	}
1118		968
1119	sub find_active($) {	969	sub find_active($) {
1120	$cf::PLAYER{$_[0]}	970	$cf::PLAYER{$_[0]}
1121	and $cf::PLAYER{$_[0]}->active	971	and $cf::PLAYER{$_[0]}->active
…		…
1124		974
1125	sub exists($) {	975	sub exists($) {
1126	my ($login) = @_;	976	my ($login) = @_;
1127		977
1128	$cf::PLAYER{$login}	978	$cf::PLAYER{$login}
1129	or cf::sync_job { !aio_stat $login }	979	or cf::sync_job { !aio_stat path $login }
1130	}	980	}
1131		981
1132	sub find($) {	982	sub find($) {
1133	return $cf::PLAYER{$_[0]} || do {	983	return $cf::PLAYER{$_[0]} || do {
1134	my $login = $_[0];	984	my $login = $_[0];
1135		985
1136	my $guard = cf::lock_acquire "user_find:$login";	986	my $guard = cf::lock_acquire "user_find:$login";
1137		987
1138	$cf::PLAYER{$_[0]} || do {	988	$cf::PLAYER{$_[0]} || do {
		989	# rename old playerfiles to new ones
		990	#TODO: remove when no longer required
		991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		993	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		994	aio_unlink +(playerdir $login) . "/$login.pl";
		995
1139	my $pl = load_pl path $login	996	my $pl = load_pl path $login
1140	or return;	997	or return;
1141	$cf::PLAYER{$login} = $pl	998	$cf::PLAYER{$login} = $pl
1142	}	999	}
1143	}	1000	}
…		…
1180		1037
1181	=cut	1038	=cut
1182		1039
1183	sub quit_character {	1040	sub quit_character {
1184	my ($pl) = @_;	1041	my ($pl) = @_;
		1042
		1043	my $name = $pl->ob->name;
1185		1044
1186	$pl->{deny_save} = 1;	1045	$pl->{deny_save} = 1;
1187	$pl->password ("*"); # this should lock out the player until we nuked the dir	1046	$pl->password ("*"); # this should lock out the player until we nuked the dir
1188		1047
1189	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1194	my $path = playerdir $pl;	1053	my $path = playerdir $pl;
1195	my $temp = "$path~$cf::RUNTIME~deleting~";	1054	my $temp = "$path~$cf::RUNTIME~deleting~";
1196	aio_rename $path, $temp;	1055	aio_rename $path, $temp;
1197	delete $cf::PLAYER{$pl->ob->name};	1056	delete $cf::PLAYER{$pl->ob->name};
1198	$pl->destroy;	1057	$pl->destroy;
		1058
		1059	my $prefix = qr<^~\Q$name\E/>;
		1060
		1061	# nuke player maps
		1062	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1063
1199	IO::AIO::aio_rmtree $temp;	1064	IO::AIO::aio_rmtree $temp;
		1065	}
		1066
		1067	=item $pl->kick
		1068
		1069	Kicks a player out of the game. This destroys the connection.
		1070
		1071	=cut
		1072
		1073	sub kick {
		1074	my ($pl, $kicker) = @_;
		1075
		1076	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1077	$pl->killer ("kicked");
		1078	$pl->ns->destroy;
1200	}	1079	}
1201		1080
1202	=item cf::player::list_logins	1081	=item cf::player::list_logins
1203		1082
1204	Returns am arrayref of all valid playernames in the system, can take a	1083	Returns am arrayref of all valid playernames in the system, can take a
…		…
1224	\@logins	1103	\@logins
1225	}	1104	}
1226		1105
1227	=item $player->maps	1106	=item $player->maps
1228		1107
1229	Returns an arrayref of cf::path's of all maps that are private for this	1108	Returns an arrayref of map paths that are private for this
1230	player. May block.	1109	player. May block.
1231		1110
1232	=cut	1111	=cut
1233		1112
1234	sub maps($) {	1113	sub maps($) {
1235	my ($pl) = @_;	1114	my ($pl) = @_;
		1115
		1116	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1117
1237	my $files = aio_readdir playerdir $pl	1118	my $files = aio_readdir playerdir $pl
1238	or return;	1119	or return;
1239		1120
1240	my @paths;	1121	my @paths;
1241		1122
1242	for (@$files) {	1123	for (@$files) {
1243	utf8::decode $_;	1124	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1125	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1126	next unless /^$PATH_SEP/o;
1246		1127
1247	s/$PATH_SEP/\//g;	1128	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249	}	1129	}
1250		1130
1251	\@paths	1131	\@paths
1252	}	1132	}
1253		1133
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1134	=item $player->ext_reply ($msgid, %msg)
1255		1135
1256	Sends an ext reply to the player.	1136	Sends an ext reply to the player.
1257		1137
1258	=cut	1138	=cut
1259		1139
1260	sub ext_reply($$$%) {	1140	sub ext_reply($$%) {
1261	my ($self, $id, %msg) = @_;	1141	my ($self, $id, %msg) = @_;
1262		1142
1263	$msg{msgid} = $id;	1143	$msg{msgid} = $id;
1264		1144
1265	$self->send ("ext " . cf::to_json \%msg);	1145	$self->send ("ext " . cf::to_json \%msg);
1266	}	1146	}
1267		1147
1268	package cf;	1148	=item $player->ext_event ($type, %msg)
		1149
		1150	Sends an ext event to the client.
		1151
		1152	=cut
		1153
		1154	sub ext_event($$%) {
		1155	my ($self, $type, %msg) = @_;
		1156
		1157	$self->ns->ext_event ($type, %msg);
		1158	}
		1159
		1160	=head3 cf::region
		1161
		1162	=over 4
		1163
		1164	=cut
		1165
		1166	package cf::region;
		1167
		1168	=item cf::region::find_by_path $path
		1169
		1170	Tries to decuce the probable region for a map knowing only its path.
		1171
		1172	=cut
		1173
		1174	sub find_by_path($) {
		1175	my ($path) = @_;
		1176
		1177	my ($match, $specificity);
		1178
		1179	for my $region (list) {
		1180	if ($region->match && $path =~ $region->match) {
		1181	($match, $specificity) = ($region, $region->specificity)
		1182	if $region->specificity > $specificity;
		1183	}
		1184	}
		1185
		1186	$match
		1187	}
1269		1188
1270	=back	1189	=back
1271
1272		1190
1273	=head3 cf::map	1191	=head3 cf::map
1274		1192
1275	=over 4	1193	=over 4
1276		1194
…		…
1279	package cf::map;	1197	package cf::map;
1280		1198
1281	use Fcntl;	1199	use Fcntl;
1282	use Coro::AIO;	1200	use Coro::AIO;
1283		1201
		1202	use overload
		1203	'""' => \&as_string,
		1204	fallback => 1;
		1205
1284	our $MAX_RESET = 3600;	1206	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1207	our $DEFAULT_RESET = 3000;
1286		1208
1287	sub generate_random_map {	1209	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1210	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1211	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1212	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1216	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1217	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1218	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1219	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1220	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1221	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1222	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region})	1223	(cf::region::find $rmp->{region}), $rmp->{custom}
		1224	)
		1225	}
		1226
		1227	=item cf::map->register ($regex, $prio)
		1228
		1229	Register a handler for the map path matching the given regex at the
		1230	givne priority (higher is better, built-in handlers have priority 0, the
		1231	default).
		1232
		1233	=cut
		1234
		1235	sub register {
		1236	my (undef, $regex, $prio) = @_;
		1237	my $pkg = caller;
		1238
		1239	no strict;
		1240	push @{"$pkg\::ISA"}, __PACKAGE__;
		1241
		1242	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1243	}
		1244
		1245	# also paths starting with '/'
		1246	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1247
		1248	sub thawer_merge {
		1249	my ($self, $merge) = @_;
		1250
		1251	# we have to keep some variables in memory intact
		1252	local $self->{path};
		1253	local $self->{load_path};
		1254	local $self->{deny_save};
		1255	local $self->{deny_reset};
		1256
		1257	$self->SUPER::thawer_merge ($merge);
		1258	}
		1259
		1260	sub normalise {
		1261	my ($path, $base) = @_;
		1262
		1263	$path = "$path"; # make sure its a string
		1264
		1265	$path =~ s/\.map$//;
		1266
		1267	# map plan:
		1268	#
		1269	# /! non-realised random map exit (special hack!)
		1270	# {... are special paths that are not being touched
		1271	# ?xxx/... are special absolute paths
		1272	# ?random/... random maps
		1273	# /... normal maps
		1274	# ~user/... per-player map of a specific user
		1275
		1276	$path =~ s/$PATH_SEP/\//go;
		1277
		1278	# treat it as relative path if it starts with
		1279	# something that looks reasonable
		1280	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1281	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1282
		1283	$base =~ s{[^/]+/?$}{};
		1284	$path = "$base/$path";
		1285	}
		1286
		1287	for ($path) {
		1288	redo if s{//}{/};
		1289	redo if s{/\.?/}{/};
		1290	redo if s{/[^/]+/\.\./}{/};
		1291	}
		1292
		1293	$path
		1294	}
		1295
		1296	sub new_from_path {
		1297	my (undef, $path, $base) = @_;
		1298
		1299	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1300
		1301	$path = normalise $path, $base;
		1302
		1303	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1304	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1305	my $self = bless cf::map::new, $pkg;
		1306	$self->{path} = $path; $self->path ($path);
		1307	$self->init; # pass $1 etc.
		1308	return $self;
		1309	}
		1310	}
		1311
		1312	Carp::carp "unable to resolve path '$path' (base '$base').";
		1313	()
		1314	}
		1315
		1316	sub init {
		1317	my ($self) = @_;
		1318
		1319	$self
		1320	}
		1321
		1322	sub as_string {
		1323	my ($self) = @_;
		1324
		1325	"$self->{path}"
		1326	}
		1327
		1328	# the displayed name, this is a one way mapping
		1329	sub visible_name {
		1330	&as_string
		1331	}
		1332
		1333	# the original (read-only) location
		1334	sub load_path {
		1335	my ($self) = @_;
		1336
		1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1338	}
		1339
		1340	# the temporary/swap location
		1341	sub save_path {
		1342	my ($self) = @_;
		1343
		1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1346	}
		1347
		1348	# the unique path, undef == no special unique path
		1349	sub uniq_path {
		1350	my ($self) = @_;
		1351
		1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1304	}	1354	}
1305		1355
1306	# and all this just because we cannot iterate over	1356	# and all this just because we cannot iterate over
1307	# all maps in C++...	1357	# all maps in C++...
1308	sub change_all_map_light {	1358	sub change_all_map_light {
…		…
1310		1360
1311	$_->change_map_light ($change)	1361	$_->change_map_light ($change)
1312	for grep $_->outdoor, values %cf::MAP;	1362	for grep $_->outdoor, values %cf::MAP;
1313	}	1363	}
1314		1364
		1365	sub unlink_save {
		1366	my ($self) = @_;
		1367
		1368	utf8::encode (my $save = $self->save_path);
		1369	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1370	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1371	}
		1372
1315	sub try_load_header($) {	1373	sub load_header_from($) {
1316	my ($path) = @_;	1374	my ($self, $path) = @_;
1317		1375
1318	utf8::encode $path;	1376	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	1377	#aio_open $path, O_RDONLY, 0
		1378	# or return;
		1379
		1380	$self->_load_header ($path)
1320	or return;	1381	or return;
1321		1382
1322	my $map = cf::map::new	1383	$self->{load_path} = $path;
		1384
		1385	1
		1386	}
		1387
		1388	sub load_header_orig {
		1389	my ($self) = @_;
		1390
		1391	$self->load_header_from ($self->load_path)
		1392	}
		1393
		1394	sub load_header_temp {
		1395	my ($self) = @_;
		1396
		1397	$self->load_header_from ($self->save_path)
		1398	}
		1399
		1400	sub prepare_temp {
		1401	my ($self) = @_;
		1402
		1403	$self->last_access ((delete $self->{last_access})
		1404	|| $cf::RUNTIME); #d#
		1405	# safety
		1406	$self->{instantiate_time} = $cf::RUNTIME
		1407	if $self->{instantiate_time} > $cf::RUNTIME;
		1408	}
		1409
		1410	sub prepare_orig {
		1411	my ($self) = @_;
		1412
		1413	$self->{load_original} = 1;
		1414	$self->{instantiate_time} = $cf::RUNTIME;
		1415	$self->last_access ($cf::RUNTIME);
		1416	$self->instantiate;
		1417	}
		1418
		1419	sub load_header {
		1420	my ($self) = @_;
		1421
		1422	if ($self->load_header_temp) {
		1423	$self->prepare_temp;
		1424	} else {
		1425	$self->load_header_orig
1323	or return;	1426	or return;
		1427	$self->prepare_orig;
		1428	}
1324		1429
1325	# for better error messages only, will be overwritten	1430	$self->default_region (cf::region::find_by_path $self->{path})
1326	$map->path ($path);	1431	unless $self->default_region;
1327		1432
1328	$map->load_header ($path)	1433	1
1329	or return;
1330
1331	$map->{load_path} = $path;
1332
1333	$map
1334	}	1434	}
1335		1435
1336	sub find;	1436	sub find;
1337	sub find {	1437	sub find {
1338	my ($path, $origin) = @_;	1438	my ($path, $origin) = @_;
1339		1439
1340	#warn "find<$path,$origin>\n";#d#
1341
1342	$path = new cf::path $path, $origin && $origin->path;	1440	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		1441
1345	cf::lock_wait "map_find:$key";	1442	cf::lock_wait "map_find:$path";
1346		1443
1347	$cf::MAP{$key} || do {	1444	$cf::MAP{$path} || do {
1348	my $guard = cf::lock_acquire "map_find:$key";	1445	my $guard = cf::lock_acquire "map_find:$path";
1349		1446	my $map = new_from_path cf::map $path
1350	# do it the slow way
1351	my $map = try_load_header $path->save_path;
1352
1353	Coro::cede;
1354
1355	if ($map) {
1356	$map->last_access ((delete $map->{last_access})
1357	|| $cf::RUNTIME); #d#
1358	# safety
1359	$map->{instantiate_time} = $cf::RUNTIME
1360	if $map->{instantiate_time} > $cf::RUNTIME;
1361	} else {
1362	if (my $rmp = $path->random_map_params) {
1363	$map = generate_random_map $key, $rmp;
1364	} else {
1365	$map = try_load_header $path->load_path;
1366	}
1367
1368	$map or return;	1447	or return;
1369		1448
1370	$map->{load_original} = 1;
1371	$map->{instantiate_time} = $cf::RUNTIME;
1372	$map->last_access ($cf::RUNTIME);
1373	$map->instantiate;
1374
1375	# per-player maps become, after loading, normal maps
1376	$map->per_player (0) if $path->{user_rel};
1377	}
1378
1379	$map->path ($key);
1380	$map->{path} = $path;
1381	$map->{last_save} = $cf::RUNTIME;	1449	$map->{last_save} = $cf::RUNTIME;
1382		1450
1383	Coro::cede;	1451	$map->load_header
		1452	or return;
1384		1453
1385	if ($map->should_reset) {	1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1455	# doing this can freeze the server in a sync job, obviously
		1456	#$cf::WAIT_FOR_TICK->wait;
1386	$map->reset;	1457	$map->reset;
1387	undef $guard;	1458	undef $guard;
1388	$map = find $path	1459	return find $path;
1389	or return;
1390	}	1460	}
1391		1461
1392	$cf::MAP{$key} = $map	1462	$cf::MAP{$path} = $map
1393	}	1463	}
1394	}	1464	}
		1465
		1466	sub pre_load { }
		1467	sub post_load { }
1395		1468
1396	sub load {	1469	sub load {
1397	my ($self) = @_;	1470	my ($self) = @_;
1398		1471
		1472	local $self->{deny_reset} = 1; # loading can take a long time
		1473
1399	my $path = $self->{path};	1474	my $path = $self->{path};
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1475	my $guard = cf::lock_acquire "map_load:$path";
1401		1476
1402	return if $self->in_memory != cf::MAP_SWAPPED;	1477	return if $self->in_memory != cf::MAP_SWAPPED;
1403		1478
1404	$self->in_memory (cf::MAP_LOADING);	1479	$self->in_memory (cf::MAP_LOADING);
1405		1480
1406	$self->alloc;	1481	$self->alloc;
		1482
		1483	$self->pre_load;
		1484	Coro::cede;
		1485
1407	$self->load_objects ($self->{load_path}, 1)	1486	$self->_load_objects ($self->{load_path}, 1)
1408	or return;	1487	or return;
1409		1488
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1411	if delete $self->{load_original};	1490	if delete $self->{load_original};
1412		1491
1413	if (my $uniq = $path->uniq_path) {	1492	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	1493	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	1494	if (aio_open $uniq, O_RDONLY, 0) {
1416	$self->clear_unique_items;	1495	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	1496	$self->_load_objects ($uniq, 0);
1418	}	1497	}
1419	}	1498	}
1420		1499
1421	Coro::cede;	1500	Coro::cede;
1422
1423	# now do the right thing for maps	1501	# now do the right thing for maps
1424	$self->link_multipart_objects;	1502	$self->link_multipart_objects;
		1503	Coro::cede;
1425		1504
1426	if ($self->{path}->is_style_map) {	1505	unless ($self->{deny_activate}) {
1427	$self->{deny_save} = 1;	1506	$self->decay_objects;
1428	$self->{deny_reset} = 1;
1429	} else {
1430	$self->fix_auto_apply;	1507	$self->fix_auto_apply;
1431	$self->decay_objects;
1432	$self->update_buttons;	1508	$self->update_buttons;
		1509	Coro::cede;
1433	$self->set_darkness_map;	1510	$self->set_darkness_map;
1434	$self->difficulty ($self->estimate_difficulty)	1511	$self->difficulty ($self->estimate_difficulty)
1435	unless $self->difficulty;	1512	unless $self->difficulty;
		1513	Coro::cede;
1436	$self->activate;	1514	$self->activate;
		1515	Coro::cede;
1437	}	1516	}
1438		1517
		1518	$self->post_load;
1439	Coro::cede;	1519	Coro::cede;
1440		1520
1441	$self->in_memory (cf::MAP_IN_MEMORY);	1521	$self->in_memory (cf::MAP_IN_MEMORY);
		1522	}
		1523
		1524	sub customise_for {
		1525	my ($self, $ob) = @_;
		1526
		1527	return find "~" . $ob->name . "/" . $self->{path}
		1528	if $self->per_player;
		1529
		1530	$self
		1531	}
		1532
		1533	# find and load all maps in the 3x3 area around a map
		1534	sub load_diag {
		1535	my ($map) = @_;
		1536
		1537	my @diag; # diagonal neighbours
		1538
		1539	for (0 .. 3) {
		1540	my $neigh = $map->tile_path ($_)
		1541	or next;
		1542	$neigh = find $neigh, $map
		1543	or next;
		1544	$neigh->load;
		1545
		1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1548	}
		1549
		1550	for (@diag) {
		1551	my $neigh = find @$_
		1552	or next;
		1553	$neigh->load;
		1554	}
1442	}	1555	}
1443		1556
1444	sub find_sync {	1557	sub find_sync {
1445	my ($path, $origin) = @_;	1558	my ($path, $origin) = @_;
1446		1559
1447	cf::sync_job { cf::map::find $path, $origin }	1560	cf::sync_job { find $path, $origin }
1448	}	1561	}
1449		1562
1450	sub do_load_sync {	1563	sub do_load_sync {
1451	my ($map) = @_;	1564	my ($map) = @_;
1452		1565
1453	cf::sync_job { $map->load };	1566	cf::sync_job { $map->load };
1454	}	1567	}
1455		1568
		1569	our %MAP_PREFETCH;
		1570	our $MAP_PREFETCHER = undef;
		1571
		1572	sub find_async {
		1573	my ($path, $origin) = @_;
		1574
		1575	$path = normalise $path, $origin && $origin->{path};
		1576
		1577	if (my $map = $cf::MAP{$path}) {
		1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1579	}
		1580
		1581	undef $MAP_PREFETCH{$path};
		1582	$MAP_PREFETCHER ||= cf::async {
		1583	while (%MAP_PREFETCH) {
		1584	for my $path (keys %MAP_PREFETCH) {
		1585	my $map = find $path
		1586	or next;
		1587	$map->load;
		1588
		1589	delete $MAP_PREFETCH{$path};
		1590	}
		1591	}
		1592	undef $MAP_PREFETCHER;
		1593	};
		1594	$MAP_PREFETCHER->prio (6);
		1595
		1596	()
		1597	}
		1598
1456	sub save {	1599	sub save {
1457	my ($self) = @_;	1600	my ($self) = @_;
1458		1601
1459	my $lock = cf::lock_acquire "map_data:" . $self->path;	1602	my $lock = cf::lock_acquire "map_data:" . $self->path;
1460		1603
1461	$self->{last_save} = $cf::RUNTIME;	1604	$self->{last_save} = $cf::RUNTIME;
1462		1605
1463	return unless $self->dirty;	1606	return unless $self->dirty;
1464		1607
1465	my $save = $self->{path}->save_path; utf8::encode $save;	1608	my $save = $self->save_path; utf8::encode $save;
1466	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1609	my $uniq = $self->uniq_path; utf8::encode $uniq;
1467		1610
1468	$self->{load_path} = $save;	1611	$self->{load_path} = $save;
1469		1612
1470	return if $self->{deny_save};	1613	return if $self->{deny_save};
1471		1614
…		…
1474	cf::async {	1617	cf::async {
1475	$_->contr->save for $self->players;	1618	$_->contr->save for $self->players;
1476	};	1619	};
1477		1620
1478	if ($uniq) {	1621	if ($uniq) {
1479	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1480	$self->save_objects ($uniq, cf::IO_UNIQUES);	1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1481	} else {	1624	} else {
1482	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1625	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1483	}	1626	}
1484	}	1627	}
1485		1628
1486	sub swap_out {	1629	sub swap_out {
1487	my ($self) = @_;	1630	my ($self) = @_;
…		…
1501		1644
1502	sub reset_at {	1645	sub reset_at {
1503	my ($self) = @_;	1646	my ($self) = @_;
1504		1647
1505	# TODO: safety, remove and allow resettable per-player maps	1648	# TODO: safety, remove and allow resettable per-player maps
1506	return 1e99 if $self->{path}{user_rel};	1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1507	return 1e99 if $self->{deny_reset};	1650	return 1e99 if $self->{deny_reset};
1508		1651
1509	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1510	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1511		1654
…		…
1516	my ($self) = @_;	1659	my ($self) = @_;
1517		1660
1518	$self->reset_at <= $cf::RUNTIME	1661	$self->reset_at <= $cf::RUNTIME
1519	}	1662	}
1520		1663
1521	sub unlink_save {
1522	my ($self) = @_;
1523
1524	utf8::encode (my $save = $self->{path}->save_path);
1525	aioreq_pri 3; IO::AIO::aio_unlink $save;
1526	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1527	}
1528
1529	sub rename {
1530	my ($self, $new_path) = @_;
1531
1532	$self->unlink_save;
1533
1534	delete $cf::MAP{$self->path};
1535	$self->{path} = new cf::path $new_path;
1536	$self->path ($self->{path}->as_string);
1537	$cf::MAP{$self->path} = $self;
1538
1539	$self->save;
1540	}
1541
1542	sub reset {	1664	sub reset {
1543	my ($self) = @_;	1665	my ($self) = @_;
1544		1666
1545	my $lock = cf::lock_acquire "map_data:" . $self->path;	1667	my $lock = cf::lock_acquire "map_data:$self->{path}";
1546		1668
1547	return if $self->players;	1669	return if $self->players;
1548	return if $self->{path}{user_rel};#d#	1670	return if $self->isa ("ext::map_per_player");#d#
1549		1671
1550	warn "resetting map ", $self->path;#d#	1672	warn "resetting map ", $self->path;#d#
1551		1673
		1674	$self->in_memory (cf::MAP_SWAPPED);
		1675
		1676	# need to save uniques path
		1677	unless ($self->{deny_save}) {
		1678	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1679
		1680	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1681	if $uniq;
		1682	}
		1683
1552	delete $cf::MAP{$self->path};	1684	delete $cf::MAP{$self->path};
		1685
		1686	$self->clear;
1553		1687
1554	$_->clear_links_to ($self) for values %cf::MAP;	1688	$_->clear_links_to ($self) for values %cf::MAP;
1555		1689
1556	$self->unlink_save;	1690	$self->unlink_save;
1557	$self->destroy;	1691	$self->destroy;
…		…
1560	my $nuke_counter = "aaaa";	1694	my $nuke_counter = "aaaa";
1561		1695
1562	sub nuke {	1696	sub nuke {
1563	my ($self) = @_;	1697	my ($self) = @_;
1564		1698
		1699	delete $cf::MAP{$self->path};
		1700
		1701	$self->unlink_save;
		1702
		1703	bless $self, "cf::map";
		1704	delete $self->{deny_reset};
1565	$self->{deny_save} = 1;	1705	$self->{deny_save} = 1;
1566	$self->reset_timeout (1);	1706	$self->reset_timeout (1);
1567	$self->rename ("{nuke}/" . ($nuke_counter++));	1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1708
		1709	$cf::MAP{$self->path} = $self;
		1710
1568	$self->reset; # polite request, might not happen	1711	$self->reset; # polite request, might not happen
1569	}	1712	}
1570		1713
1571	sub customise_for {	1714	=item cf::map::unique_maps
1572	my ($map, $ob) = @_;
1573		1715
1574	if ($map->per_player) {	1716	Returns an arrayref of paths of all shared maps that have
1575	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1717	instantiated unique items. May block.
1576	}
1577		1718
1578	$map	1719	=cut
		1720
		1721	sub unique_maps() {
		1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1723	or return;
		1724
		1725	my @paths;
		1726
		1727	for (@$files) {
		1728	utf8::decode $_;
		1729	next if /\.pst$/;
		1730	next unless /^$PATH_SEP/o;
		1731
		1732	push @paths, cf::map::normalise $_;
		1733	}
		1734
		1735	\@paths
1579	}	1736	}
1580		1737
1581	package cf;	1738	package cf;
1582		1739
1583	=back	1740	=back
…		…
1655		1812
1656	=item $player_object->enter_link	1813	=item $player_object->enter_link
1657		1814
1658	Freezes the player and moves him/her to a special map (C<{link}>).	1815	Freezes the player and moves him/her to a special map (C<{link}>).
1659		1816
1660	The player should be reaosnably safe there for short amounts of time. You	1817	The player should be reasonably safe there for short amounts of time. You
1661	I<MUST> call C<leave_link> as soon as possible, though.	1818	I<MUST> call C<leave_link> as soon as possible, though.
1662		1819
		1820	Will never block.
		1821
1663	=item $player_object->leave_link ($map, $x, $y)	1822	=item $player_object->leave_link ($map, $x, $y)
1664		1823
1665	Moves the player out of the specila link map onto the given map. If the	1824	Moves the player out of the special C<{link}> map onto the specified
1666	map is not valid (or omitted), the player will be moved back to the	1825	map. If the map is not valid (or omitted), the player will be moved back
1667	location he/she was before the call to C<enter_link>, or, if that fails,	1826	to the location he/she was before the call to C<enter_link>, or, if that
1668	to the emergency map position.	1827	fails, to the emergency map position.
1669		1828
1670	Might block.	1829	Might block.
1671		1830
1672	=cut	1831	=cut
		1832
		1833	sub link_map {
		1834	unless ($LINK_MAP) {
		1835	$LINK_MAP = cf::map::find "{link}"
		1836	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1837	$LINK_MAP->load;
		1838	}
		1839
		1840	$LINK_MAP
		1841	}
1673		1842
1674	sub cf::object::player::enter_link {	1843	sub cf::object::player::enter_link {
1675	my ($self) = @_;	1844	my ($self) = @_;
1676		1845
1677	$self->deactivate_recursive;	1846	$self->deactivate_recursive;
1678		1847
1679	return if $self->map == $LINK_MAP;	1848	return if UNIVERSAL::isa $self->map, "ext::map_link";
1680		1849
1681	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1682	if $self->map;	1851	if $self->map;
1683		1852
1684	$self->enter_map ($LINK_MAP, 20, 20);	1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1685	}	1854	}
1686		1855
1687	sub cf::object::player::leave_link {	1856	sub cf::object::player::leave_link {
1688	my ($self, $map, $x, $y) = @_;	1857	my ($self, $map, $x, $y) = @_;
1689		1858
…		…
1707	# use -1 or undef as default coordinates, not 0, 0	1876	# use -1 or undef as default coordinates, not 0, 0
1708	($x, $y) = ($map->enter_x, $map->enter_y)	1877	($x, $y) = ($map->enter_x, $map->enter_y)
1709	if $x <=0 && $y <= 0;	1878	if $x <=0 && $y <= 0;
1710		1879
1711	$map->load;	1880	$map->load;
		1881	$map->load_diag;
1712		1882
1713	return unless $self->contr->active;	1883	return unless $self->contr->active;
1714	$self->activate_recursive;	1884	$self->activate_recursive;
		1885
		1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1715	$self->enter_map ($map, $x, $y);	1887	$self->enter_map ($map, $x, $y);
1716	}	1888	}
1717		1889
1718	cf::player->attach (	1890	cf::player->attach (
1719	on_logout => sub {	1891	on_logout => sub {
…		…
1732	# try to abort aborted map switching on player login :)	1904	# try to abort aborted map switching on player login :)
1733	# should happen only on crashes	1905	# should happen only on crashes
1734	if ($pl->ob->{_link_pos}) {	1906	if ($pl->ob->{_link_pos}) {
1735	$pl->ob->enter_link;	1907	$pl->ob->enter_link;
1736	(async {	1908	(async {
1737	# we need this sleep as the login has a concurrent enter_exit running
1738	# and this sleep increases chances of the player not ending up in scorn
1739	$pl->ob->reply (undef,	1909	$pl->ob->reply (undef,
1740	"There was an internal problem at your last logout, "	1910	"There was an internal problem at your last logout, "
1741	. "the server will try to bring you to your intended destination in a second.",	1911	. "the server will try to bring you to your intended destination in a second.",
1742	cf::NDI_RED);	1912	cf::NDI_RED);
		1913	# we need this sleep as the login has a concurrent enter_exit running
		1914	# and this sleep increases chances of the player not ending up in scorn
1743	Coro::Timer::sleep 1;	1915	Coro::Timer::sleep 1;
1744	$pl->ob->leave_link;	1916	$pl->ob->leave_link;
1745	})->prio (2);	1917	})->prio (2);
1746	}	1918	}
1747	},	1919	},
…		…
1752	=cut	1924	=cut
1753		1925
1754	sub cf::object::player::goto {	1926	sub cf::object::player::goto {
1755	my ($self, $path, $x, $y) = @_;	1927	my ($self, $path, $x, $y) = @_;
1756		1928
1757	$path = new cf::path $path;
1758	$path ne "/" or Carp::cluck ("oy");#d#
1759
1760	$self->enter_link;	1929	$self->enter_link;
1761		1930
1762	(async {	1931	(async {
		1932	my $map = eval {
1763	my $map = cf::map::find $path->as_string;	1933	my $map = cf::map::find $path;
1764	$map = $map->customise_for ($self) if $map;	1934	$map = $map->customise_for ($self) if $map;
1765		1935	$map
1766	# warn "entering ", $map->path, " at ($x, $y)\n"	1936	} or
1767	# if $map;
1768
1769	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1770		1938
1771	$self->leave_link ($map, $x, $y);	1939	$self->leave_link ($map, $x, $y);
1772	})->prio (1);	1940	})->prio (1);
1773	}	1941	}
1774		1942
…		…
1778		1946
1779	sub parse_random_map_params {	1947	sub parse_random_map_params {
1780	my ($spec) = @_;	1948	my ($spec) = @_;
1781		1949
1782	my $rmp = { # defaults	1950	my $rmp = { # defaults
1783	xsize => 10,	1951	xsize => (cf::rndm 15, 40),
1784	ysize => 10,	1952	ysize => (cf::rndm 15, 40),
		1953	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1954	#layout => string,
1785	};	1955	};
1786		1956
1787	for (split /\n/, $spec) {	1957	for (split /\n/, $spec) {
1788	my ($k, $v) = split /\s+/, $_, 2;	1958	my ($k, $v) = split /\s+/, $_, 2;
1789		1959
…		…
1793	$rmp	1963	$rmp
1794	}	1964	}
1795		1965
1796	sub prepare_random_map {	1966	sub prepare_random_map {
1797	my ($exit) = @_;	1967	my ($exit) = @_;
		1968
		1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1798		1970
1799	# all this does is basically replace the /! path by	1971	# all this does is basically replace the /! path by
1800	# a new random map path (?random/...) with a seed	1972	# a new random map path (?random/...) with a seed
1801	# that depends on the exit object	1973	# that depends on the exit object
1802		1974
1803	my $rmp = parse_random_map_params $exit->msg;	1975	my $rmp = parse_random_map_params $exit->msg;
1804		1976
1805	if ($exit->map) {	1977	if ($exit->map) {
1806	$rmp->{region} = $exit->map->region_name;	1978	$rmp->{region} = $exit->region->name;
1807	$rmp->{origin_map} = $exit->map->path;	1979	$rmp->{origin_map} = $exit->map->path;
1808	$rmp->{origin_x} = $exit->x;	1980	$rmp->{origin_x} = $exit->x;
1809	$rmp->{origin_y} = $exit->y;	1981	$rmp->{origin_y} = $exit->y;
1810	}	1982	}
1811		1983
1812	$rmp->{random_seed} ||= $exit->random_seed;	1984	$rmp->{random_seed} ||= $exit->random_seed;
1813		1985
1814	my $data = cf::to_json $rmp;	1986	my $data = cf::to_json $rmp;
1815	my $md5 = Digest::MD5::md5_hex $data;	1987	my $md5 = Digest::MD5::md5_hex $data;
		1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1816		1989
1817	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1818	aio_write $fh, 0, (length $data), $data, 0;	1991	aio_write $fh, 0, (length $data), $data, 0;
		1992	undef $fh;
		1993	aio_rename "$meta~", $meta;
1819		1994
1820	$exit->slaying ("?random/$md5");	1995	$exit->slaying ("?random/$md5");
1821	$exit->msg (undef);	1996	$exit->msg (undef);
1822	}	1997	}
1823	}	1998	}
1824		1999
1825	sub cf::object::player::enter_exit {	2000	sub cf::object::player::enter_exit {
1826	my ($self, $exit) = @_;	2001	my ($self, $exit) = @_;
1827		2002
1828	return unless $self->type == cf::PLAYER;	2003	return unless $self->type == cf::PLAYER;
		2004
		2005	if ($exit->slaying eq "/!") {
		2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2007	# the problem is that $exit might not survive long enough
		2008	# so it needs to be done right now, right here
		2009	cf::sync_job { prepare_random_map $exit };
		2010	}
		2011
		2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2013	my $hp = $exit->stats->hp;
		2014	my $sp = $exit->stats->sp;
1829		2015
1830	$self->enter_link;	2016	$self->enter_link;
1831		2017
1832	(async {	2018	(async {
1833	$self->deactivate_recursive; # just to be sure	2019	$self->deactivate_recursive; # just to be sure
1834	unless (eval {	2020	unless (eval {
1835	prepare_random_map $exit	2021	$self->goto ($slaying, $hp, $sp);
1836	if $exit->slaying eq "/!";
1837
1838	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1839	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1840		2022
1841	1;	2023	1;
1842	}) {	2024	}) {
1843	$self->message ("Something went wrong deep within the crossfire server. "	2025	$self->message ("Something went wrong deep within the crossfire server. "
1844	. "I'll try to bring you back to the map you were before. "	2026	. "I'll try to bring you back to the map you were before. "
1845	. "Please report this to the dungeon master",	2027	. "Please report this to the dungeon master!",
1846	cf::NDI_UNIQUE | cf::NDI_RED);	2028	cf::NDI_UNIQUE | cf::NDI_RED);
1847		2029
1848	warn "ERROR in enter_exit: $@";	2030	warn "ERROR in enter_exit: $@";
1849	$self->leave_link;	2031	$self->leave_link;
1850	}	2032	}
1851	})->prio (1);	2033	})->prio (1);
…		…
1864		2046
1865	sub cf::client::send_drawinfo {	2047	sub cf::client::send_drawinfo {
1866	my ($self, $text, $flags) = @_;	2048	my ($self, $text, $flags) = @_;
1867		2049
1868	utf8::encode $text;	2050	utf8::encode $text;
1869	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1870	}	2052	}
1871		2053
		2054	=item $client->ext_event ($type, %msg)
		2055
		2056	Sends an exti event to the client.
		2057
		2058	=cut
		2059
		2060	sub cf::client::ext_event($$%) {
		2061	my ($self, $type, %msg) = @_;
		2062
		2063	$msg{msgtype} = "event_$type";
		2064	$self->send_packet ("ext " . cf::to_json \%msg);
		2065	}
1872		2066
1873	=item $success = $client->query ($flags, "text", \&cb)	2067	=item $success = $client->query ($flags, "text", \&cb)
1874		2068
1875	Queues a query to the client, calling the given callback with	2069	Queues a query to the client, calling the given callback with
1876	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1905	# get handled first	2099	# get handled first
1906	my $queue = delete $ns->{query_queue}	2100	my $queue = delete $ns->{query_queue}
1907	or return; # be conservative, not sure how that can happen, but we saw a crash here	2101	or return; # be conservative, not sure how that can happen, but we saw a crash here
1908		2102
1909	(shift @$queue)->[1]->($msg);	2103	(shift @$queue)->[1]->($msg);
		2104	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1910		2105
1911	push @{ $ns->{query_queue} }, @$queue;	2106	push @{ $ns->{query_queue} }, @$queue;
1912		2107
1913	if (@{ $ns->{query_queue} } == @$queue) {	2108	if (@{ $ns->{query_queue} } == @$queue) {
1914	if (@$queue) {	2109	if (@$queue) {
…		…
1972		2167
1973	# here we export the classes and methods available to script code	2168	# here we export the classes and methods available to script code
1974		2169
1975	=pod	2170	=pod
1976		2171
1977	The following fucntions and emthods are available within a safe environment:	2172	The following functions and methods are available within a safe environment:
1978		2173
1979	cf::object contr pay_amount pay_player map	2174	cf::object contr pay_amount pay_player map
1980	cf::object::player player	2175	cf::object::player player
1981	cf::player peaceful	2176	cf::player peaceful
1982	cf::map trigger	2177	cf::map trigger
…		…
2075	The parameter C<$family> should best start with the name of the extension	2270	The parameter C<$family> should best start with the name of the extension
2076	using it, it should be unique.	2271	using it, it should be unique.
2077		2272
2078	=over 4	2273	=over 4
2079		2274
2080	=item $hashref = cf::db_get $family
2081
2082	Return a hashref for use by the extension C<$family>, which can be
2083	modified. After modifications, you have to call C<cf::db_dirty> or
2084	C<cf::db_sync>.
2085
2086	=item $value = cf::db_get $family => $key	2275	=item $value = cf::db_get $family => $key
2087		2276
2088	Returns a single value from the database	2277	Returns a single value from the database.
2089
2090	=item cf::db_put $family => $hashref
2091
2092	Stores the given family hashref into the database. Updates are delayed, if
2093	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2094		2278
2095	=item cf::db_put $family => $key => $value	2279	=item cf::db_put $family => $key => $value
2096		2280
2097	Stores the given C<$value> in the family hash. Updates are delayed, if you	2281	Stores the given C<$value> in the family.
2098	want the data to be synced to disk immediately, use C<cf::db_sync>.
2099
2100	=item cf::db_dirty
2101
2102	Marks the database as dirty, to be updated at a later time.
2103
2104	=item cf::db_sync
2105
2106	Immediately write the database to disk I<if it is dirty>.
2107		2282
2108	=cut	2283	=cut
2109		2284
2110	our $DB;	2285	our $DB;
2111		2286
2112	{	2287	sub db_init {
		2288	unless ($DB) {
		2289	$DB = BDB::db_create $DB_ENV;
		2290
		2291	cf::sync_job {
		2292	eval {
		2293	$DB->set_flags (BDB::CHKSUM);
		2294
		2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2297	cf::cleanup "db_open(db): $!" if $!;
		2298	};
		2299	cf::cleanup "db_open(db): $@" if $@;
		2300	};
		2301
2113	my $path = cf::localdir . "/database.pst";	2302	my $path = cf::localdir . "/database.pst";
		2303	if (stat $path) {
		2304	cf::sync_job {
		2305	my $pst = Storable::retrieve $path;
2114		2306
2115	sub db_load() {	2307	cf::db_put (board => data => $pst->{board});
2116	$DB = stat $path ? Storable::retrieve $path : { };	2308	cf::db_put (guildrules => data => $pst->{guildrules});
2117	}	2309	cf::db_put (rent => balance => $pst->{rent}{balance});
		2310	BDB::db_env_txn_checkpoint $DB_ENV;
2118		2311
2119	my $pid;	2312	unlink $path;
2120
2121	sub db_save() {
2122	waitpid $pid, 0 if $pid;
2123	if (0 == ($pid = fork)) {
2124	$DB->{_meta}{version} = 1;
2125	Storable::nstore $DB, "$path~";
2126	rename "$path~", $path;
2127	cf::_exit 0 if defined $pid;
2128	}	2313	};
2129	}
2130
2131	my $dirty;
2132
2133	sub db_sync() {
2134	db_save if $dirty;
2135	undef $dirty;
2136	}
2137
2138	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2139	db_sync;
2140	});
2141
2142	sub db_dirty() {
2143	$dirty = 1;
2144	$idle->start;
2145	}
2146
2147	sub db_get($;$) {
2148	@_ >= 2
2149	? $DB->{$_[0]}{$_[1]}
2150	: ($DB->{$_[0]} ||= { })
2151	}
2152
2153	sub db_put($$;$) {
2154	if (@_ >= 3) {
2155	$DB->{$_[0]}{$_[1]} = $_[2];
2156	} else {
2157	$DB->{$_[0]} = $_[1];
2158	}
2159	db_dirty;
2160	}
2161
2162	cf::global->attach (
2163	prio => 10000,
2164	on_cleanup => sub {
2165	db_sync;
2166	},	2314	}
2167	);	2315	}
		2316	}
		2317
		2318	sub db_get($$) {
		2319	my $key = "$_[0]/$_[1]";
		2320
		2321	cf::sync_job {
		2322	BDB::db_get $DB, undef, $key, my $data;
		2323
		2324	$! ? ()
		2325	: Compress::LZF::sthaw $data
		2326	}
		2327	}
		2328
		2329	sub db_put($$$) {
		2330	BDB::dbreq_pri 4;
		2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2168	}	2332	}
2169		2333
2170	#############################################################################	2334	#############################################################################
2171	# the server's main()	2335	# the server's init and main functions
		2336
		2337	sub load_facedata {
		2338	my $path = sprintf "%s/facedata", cf::datadir;
		2339
		2340	warn "loading facedata from $path\n";
		2341
		2342	my $facedata;
		2343	0 < aio_load $path, $facedata
		2344	or die "$path: $!";
		2345
		2346	$facedata = Coro::Storable::thaw $facedata;
		2347
		2348	$facedata->{version} == 2
		2349	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2350
		2351	{
		2352	my $faces = $facedata->{faceinfo};
		2353
		2354	while (my ($face, $info) = each %$faces) {
		2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2359	Coro::cede;
		2360	}
		2361
		2362	while (my ($face, $info) = each %$faces) {
		2363	next unless $info->{smooth};
		2364	my $idx = cf::face::find $face
		2365	or next;
		2366	if (my $smooth = cf::face::find $info->{smooth}) {
		2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2368	} else {
		2369	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2370	}
		2371	Coro::cede;
		2372	}
		2373	}
		2374
		2375	{
		2376	my $anims = $facedata->{animinfo};
		2377
		2378	while (my ($anim, $info) = each %$anims) {
		2379	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2380	Coro::cede;
		2381	}
		2382
		2383	cf::anim::invalidate_all; # d'oh
		2384	}
		2385
		2386	1
		2387	}
		2388
		2389	sub load_archetypes {
		2390	load_archetype_file sprintf "%s/archetypes", cf::datadir; # remove when stable
		2391	load_archetype_file sprintf "%s/archetypes", cf::datadir
		2392	}
		2393
		2394	sub load_treasures {
		2395	load_treasure_file sprintf "%s/treasures", cf::datadir
		2396	}
		2397
		2398	sub reload_resources {
		2399	warn "reloading resource files...\n";
		2400
		2401	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2402	or die "unable to load regions file\n";
		2403	load_facedata
		2404	or die "unable to load facedata\n";
		2405	load_archetypes
		2406	or die "unable to load archetypes\n";
		2407	load_treasures
		2408	or die "unable to load treasurelists\n";
		2409
		2410	warn "finished reloading resource files\n";
		2411	}
		2412
		2413	sub init {
		2414	reload_resources;
		2415	}
2172		2416
2173	sub cfg_load {	2417	sub cfg_load {
2174	open my $fh, "<:utf8", cf::confdir . "/config"	2418	open my $fh, "<:utf8", cf::confdir . "/config"
2175	or return;	2419	or return;
2176		2420
…		…
2193		2437
2194	sub main {	2438	sub main {
2195	# we must not ever block the main coroutine	2439	# we must not ever block the main coroutine
2196	local $Coro::idle = sub {	2440	local $Coro::idle = sub {
2197	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2441	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2442	(async {
2198	async { Event::one_event };	2443	Event::one_event;
		2444	})->prio (Coro::PRIO_MAX);
2199	};	2445	};
2200		2446
2201	cfg_load;	2447	cfg_load;
2202	db_load;	2448	db_init;
2203	load_extensions;	2449	load_extensions;
		2450
		2451	$TICK_WATCHER->start;
2204	Event::loop;	2452	Event::loop;
2205	}	2453	}
2206		2454
2207	#############################################################################	2455	#############################################################################
2208	# initialisation and cleanup	2456	# initialisation and cleanup
2209		2457
2210	# install some emergency cleanup handlers	2458	# install some emergency cleanup handlers
2211	BEGIN {	2459	BEGIN {
2212	for my $signal (qw(INT HUP TERM)) {	2460	for my $signal (qw(INT HUP TERM)) {
2213	Event->signal (	2461	Event->signal (
		2462	reentrant => 0,
2214	data => WF_AUTOCANCEL,	2463	data => WF_AUTOCANCEL,
2215	signal => $signal,	2464	signal => $signal,
		2465	prio => 0,
2216	cb => sub {	2466	cb => sub {
2217	cf::cleanup "SIG$signal";	2467	cf::cleanup "SIG$signal";
2218	},	2468	},
2219	);	2469	);
2220	}	2470	}
2221	}	2471	}
…		…
2226	warn "enter emergency perl save\n";	2476	warn "enter emergency perl save\n";
2227		2477
2228	cf::sync_job {	2478	cf::sync_job {
2229	# use a peculiar iteration method to avoid tripping on perl	2479	# use a peculiar iteration method to avoid tripping on perl
2230	# refcount bugs in for. also avoids problems with players	2480	# refcount bugs in for. also avoids problems with players
2231	# and maps saved/Destroyed asynchronously.	2481	# and maps saved/destroyed asynchronously.
2232	warn "begin emergency player save\n";	2482	warn "begin emergency player save\n";
2233	for my $login (keys %cf::PLAYER) {	2483	for my $login (keys %cf::PLAYER) {
2234	my $pl = $cf::PLAYER{$login} or next;	2484	my $pl = $cf::PLAYER{$login} or next;
2235	$pl->valid or next;	2485	$pl->valid or next;
2236	$pl->save;	2486	$pl->save;
…		…
2242	my $map = $cf::MAP{$path} or next;	2492	my $map = $cf::MAP{$path} or next;
2243	$map->valid or next;	2493	$map->valid or next;
2244	$map->save;	2494	$map->save;
2245	}	2495	}
2246	warn "end emergency map save\n";	2496	warn "end emergency map save\n";
		2497
		2498	warn "begin emergency database checkpoint\n";
		2499	BDB::db_env_txn_checkpoint $DB_ENV;
		2500	warn "end emergency database checkpoint\n";
2247	};	2501	};
2248		2502
2249	warn "leave emergency perl save\n";	2503	warn "leave emergency perl save\n";
		2504	}
		2505
		2506	sub post_cleanup {
		2507	my ($make_core) = @_;
		2508
		2509	warn Carp::longmess "post_cleanup backtrace"
		2510	if $make_core;
2250	}	2511	}
2251		2512
2252	sub reload() {	2513	sub reload() {
2253	# can/must only be called in main	2514	# can/must only be called in main
2254	if ($Coro::current != $Coro::main) {	2515	if ($Coro::current != $Coro::main) {
2255	warn "can only reload from main coroutine\n";	2516	warn "can only reload from main coroutine";
2256	return;	2517	return;
2257	}	2518	}
2258		2519
2259	warn "reloading...";	2520	warn "reloading...";
2260		2521
2261	my $guard = freeze_mainloop;	2522	warn "entering sync_job";
		2523
		2524	cf::sync_job {
		2525	cf::write_runtime; # external watchdog should not bark
2262	cf::emergency_save;	2526	cf::emergency_save;
		2527	cf::write_runtime; # external watchdog should not bark
2263		2528
2264	eval {	2529	warn "syncing database to disk";
		2530	BDB::db_env_txn_checkpoint $DB_ENV;
		2531
2265	# if anything goes wrong in here, we should simply crash as we already saved	2532	# if anything goes wrong in here, we should simply crash as we already saved
2266		2533
2267	# cancel all watchers	2534	warn "cancelling all WF_AUTOCANCEL watchers";
2268	for (Event::all_watchers) {	2535	for (Event::all_watchers) {
2269	$_->cancel if $_->data & WF_AUTOCANCEL;	2536	$_->cancel if $_->data & WF_AUTOCANCEL;
2270	}	2537	}
2271		2538
		2539	warn "flushing outstanding aio requests";
		2540	for (;;) {
		2541	BDB::flush;
		2542	IO::AIO::flush;
		2543	Coro::cede;
		2544	last unless IO::AIO::nreqs || BDB::nreqs;
		2545	warn "iterate...";
		2546	}
		2547
		2548	++$RELOAD;
		2549
2272	# cancel all extension coros	2550	warn "cancelling all extension coros";
2273	$_->cancel for values %EXT_CORO;	2551	$_->cancel for values %EXT_CORO;
2274	%EXT_CORO = ();	2552	%EXT_CORO = ();
2275		2553
2276	# unload all extensions	2554	warn "removing commands";
2277	for (@exts) {	2555	%COMMAND = ();
		2556
		2557	warn "removing ext commands";
		2558	%EXTCMD = ();
		2559
		2560	warn "unloading/nuking all extensions";
		2561	for my $pkg (@EXTS) {
2278	warn "unloading <$_>";	2562	warn "... unloading $pkg";
2279	unload_extension $_;	2563
		2564	if (my $cb = $pkg->can ("unload")) {
		2565	eval {
		2566	$cb->($pkg);
		2567	1
		2568	} or warn "$pkg unloaded, but with errors: $@";
2280	}	2569	}
2281		2570
		2571	warn "... nuking $pkg";
		2572	Symbol::delete_package $pkg;
		2573	}
		2574
2282	# unload all modules loaded from $LIBDIR	2575	warn "unloading all perl modules loaded from $LIBDIR";
2283	while (my ($k, $v) = each %INC) {	2576	while (my ($k, $v) = each %INC) {
2284	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2577	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2285		2578
2286	warn "removing <$k>";	2579	warn "... unloading $k";
2287	delete $INC{$k};	2580	delete $INC{$k};
2288		2581
2289	$k =~ s/\.pm$//;	2582	$k =~ s/\.pm$//;
2290	$k =~ s/\//::/g;	2583	$k =~ s/\//::/g;
2291		2584
…		…
2294	}	2587	}
2295		2588
2296	Symbol::delete_package $k;	2589	Symbol::delete_package $k;
2297	}	2590	}
2298		2591
2299	# sync database to disk
2300	cf::db_sync;
2301	IO::AIO::flush;
2302
2303	# get rid of safe::, as good as possible	2592	warn "getting rid of safe::, as good as possible";
2304	Symbol::delete_package "safe::$_"	2593	Symbol::delete_package "safe::$_"
2305	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2594	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2306		2595
2307	# remove register_script_function callbacks
2308	# TODO
2309
2310	# unload cf.pm "a bit"	2596	warn "unloading cf.pm \"a bit\"";
2311	delete $INC{"cf.pm"};	2597	delete $INC{"cf.pm"};
2312		2598
2313	# don't, removes xs symbols, too,	2599	# don't, removes xs symbols, too,
2314	# and global variables created in xs	2600	# and global variables created in xs
2315	#Symbol::delete_package __PACKAGE__;	2601	#Symbol::delete_package __PACKAGE__;
2316		2602
2317	# reload cf.pm	2603	warn "unload completed, starting to reload now";
		2604
2318	warn "reloading cf.pm";	2605	warn "reloading cf.pm";
2319	require cf;	2606	require cf;
2320	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2607	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2321		2608
2322	# load config and database again	2609	warn "loading config and database again";
2323	cf::cfg_load;	2610	cf::cfg_load;
2324	cf::db_load;
2325		2611
2326	# load extensions
2327	warn "load extensions";	2612	warn "loading extensions";
2328	cf::load_extensions;	2613	cf::load_extensions;
2329		2614
2330	# reattach attachments to objects	2615	warn "reattaching attachments to objects/players";
2331	warn "reattach";	2616	_global_reattach; # objects, sockets
2332	_global_reattach;	2617	warn "reattaching attachments to maps";
2333	reattach $_ for values %MAP;	2618	reattach $_ for values %MAP;
2334	};	2619	warn "reattaching attachments to players";
		2620	reattach $_ for values %PLAYER;
2335		2621
2336	if ($@) {	2622	warn "loading reloadable resources";
		2623	reload_resources;
		2624
		2625	warn "leaving sync_job";
		2626
		2627	1
		2628	} or do {
2337	warn $@;	2629	warn $@;
2338	warn "error while reloading, exiting.";	2630	warn "error while reloading, exiting.";
2339	exit 1;	2631	exit 1;
2340	}	2632	};
2341		2633
2342	warn "reloaded successfully";	2634	warn "reloaded";
2343	};	2635	};
2344		2636
2345	#############################################################################	2637	our $RELOAD_WATCHER; # used only during reload
2346
2347	unless ($LINK_MAP) {
2348	$LINK_MAP = cf::map::new;
2349
2350	$LINK_MAP->width (41);
2351	$LINK_MAP->height (41);
2352	$LINK_MAP->alloc;
2353	$LINK_MAP->path ("{link}");
2354	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2355	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2356
2357	# dirty hack because... archetypes are not yet loaded
2358	Event->timer (
2359	after => 10,
2360	cb => sub {
2361	$_[0]->w->cancel;
2362
2363	# provide some exits "home"
2364	my $exit = cf::object::new "exit";
2365
2366	$exit->slaying ($EMERGENCY_POSITION->[0]);
2367	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2368	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2369
2370	$LINK_MAP->insert ($exit->clone, 19, 19);
2371	$LINK_MAP->insert ($exit->clone, 19, 20);
2372	$LINK_MAP->insert ($exit->clone, 19, 21);
2373	$LINK_MAP->insert ($exit->clone, 20, 19);
2374	$LINK_MAP->insert ($exit->clone, 20, 21);
2375	$LINK_MAP->insert ($exit->clone, 21, 19);
2376	$LINK_MAP->insert ($exit->clone, 21, 20);
2377	$LINK_MAP->insert ($exit->clone, 21, 21);
2378
2379	$exit->destroy;
2380	});
2381
2382	$LINK_MAP->{deny_save} = 1;
2383	$LINK_MAP->{deny_reset} = 1;
2384
2385	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2386	}
2387
2388	register "<global>", __PACKAGE__;
2389		2638
2390	register_command "reload" => sub {	2639	register_command "reload" => sub {
2391	my ($who, $arg) = @_;	2640	my ($who, $arg) = @_;
2392		2641
2393	if ($who->flag (FLAG_WIZ)) {	2642	if ($who->flag (FLAG_WIZ)) {
2394	$who->message ("start of reload.");	2643	$who->message ("reloading server.");
		2644
		2645	# doing reload synchronously and two reloads happen back-to-back,
		2646	# coro crashes during coro_state_free->destroy here.
		2647
		2648	$RELOAD_WATCHER ||= Event->timer (
		2649	reentrant => 0,
		2650	after => 0,
		2651	data => WF_AUTOCANCEL,
		2652	cb => sub {
2395	reload;	2653	reload;
2396	$who->message ("end of reload.");	2654	undef $RELOAD_WATCHER;
		2655	},
		2656	);
2397	}	2657	}
2398	};	2658	};
2399		2659
2400	unshift @INC, $LIBDIR;	2660	unshift @INC, $LIBDIR;
		2661
		2662	my $bug_warning = 0;
		2663
		2664	our @WAIT_FOR_TICK;
		2665	our @WAIT_FOR_TICK_BEGIN;
		2666
		2667	sub wait_for_tick {
		2668	return unless $TICK_WATCHER->is_active;
		2669	return if $Coro::current == $Coro::main;
		2670
		2671	my $signal = new Coro::Signal;
		2672	push @WAIT_FOR_TICK, $signal;
		2673	$signal->wait;
		2674	}
		2675
		2676	sub wait_for_tick_begin {
		2677	return unless $TICK_WATCHER->is_active;
		2678	return if $Coro::current == $Coro::main;
		2679
		2680	my $signal = new Coro::Signal;
		2681	push @WAIT_FOR_TICK_BEGIN, $signal;
		2682	$signal->wait;
		2683	}
2401		2684
2402	$TICK_WATCHER = Event->timer (	2685	$TICK_WATCHER = Event->timer (
2403	reentrant => 0,	2686	reentrant => 0,
		2687	parked => 1,
2404	prio => 0,	2688	prio => 0,
2405	at => $NEXT_TICK || $TICK,	2689	at => $NEXT_TICK || $TICK,
2406	data => WF_AUTOCANCEL,	2690	data => WF_AUTOCANCEL,
2407	cb => sub {	2691	cb => sub {
		2692	if ($Coro::current != $Coro::main) {
		2693	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2694	unless ++$bug_warning > 10;
		2695	return;
		2696	}
		2697
		2698	$NOW = Event::time;
		2699
2408	cf::server_tick; # one server iteration	2700	cf::server_tick; # one server iteration
		2701
2409	$RUNTIME += $TICK;	2702	$RUNTIME += $TICK;
2410	$NEXT_TICK += $TICK;	2703	$NEXT_TICK += $TICK;
2411		2704
2412	$WAIT_FOR_TICK->broadcast;	2705	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2413	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2706	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2707	Coro::async_pool {
		2708	write_runtime
		2709	or warn "ERROR: unable to write runtime file: $!";
		2710	};
		2711	}
		2712
		2713	# my $AFTER = Event::time;
		2714	# warn $AFTER - $NOW;#d#
2414		2715
2415	# if we are delayed by four ticks or more, skip them all	2716	# if we are delayed by four ticks or more, skip them all
2416	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2717	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2417		2718
2418	$TICK_WATCHER->at ($NEXT_TICK);	2719	$TICK_WATCHER->at ($NEXT_TICK);
2419	$TICK_WATCHER->start;	2720	$TICK_WATCHER->start;
		2721
		2722	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2723	$sig->send;
		2724	}
		2725	while (my $sig = shift @WAIT_FOR_TICK) {
		2726	$sig->send;
		2727	}
		2728
		2729	_post_tick;
2420	},	2730	},
2421	);	2731	);
2422		2732
		2733	{
2423	IO::AIO::max_poll_time $TICK * 0.2;	2734	BDB::max_poll_time $TICK * 0.1;
2424		2735	$BDB_POLL_WATCHER = Event->io (
2425	Event->io (	2736	reentrant => 0,
2426	fd => IO::AIO::poll_fileno,	2737	fd => BDB::poll_fileno,
2427	poll => 'r',	2738	poll => 'r',
2428	prio => 5,	2739	prio => 0,
2429	data => WF_AUTOCANCEL,
2430	cb => \&IO::AIO::poll_cb,
2431	);
2432
2433	Event->timer (
2434	data => WF_AUTOCANCEL,	2740	data => WF_AUTOCANCEL,
2435	after => 0,	2741	cb => \&BDB::poll_cb,
2436	interval => 10,	2742	);
2437	cb => sub {	2743	BDB::min_parallel 8;
2438	(Coro::unblock_sub {	2744
2439	write_runtime	2745	BDB::set_sync_prepare {
2440	or warn "ERROR: unable to write runtime file: $!";	2746	my $status;
		2747	my $current = $Coro::current;
		2748	(
		2749	sub {
		2750	$status = $!;
		2751	$current->ready; undef $current;
		2752	},
		2753	sub {
		2754	Coro::schedule while defined $current;
		2755	$! = $status;
		2756	},
		2757	)
		2758	};
		2759
		2760	unless ($DB_ENV) {
		2761	$DB_ENV = BDB::db_env_create;
		2762
		2763	cf::sync_job {
		2764	eval {
		2765	BDB::db_env_open
		2766	$DB_ENV,
		2767	$BDB_ENV_DIR,
		2768	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2769	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2770	0666;
		2771
		2772	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2773
		2774	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2775	$DB_ENV->set_lk_detect;
		2776	};
		2777
		2778	cf::cleanup "db_env_open(db): $@" if $@;
2441	})->();	2779	};
2442	},	2780	}
2443	);	2781	}
		2782
		2783	{
		2784	IO::AIO::min_parallel 8;
		2785
		2786	undef $Coro::AIO::WATCHER;
		2787	IO::AIO::max_poll_time $TICK * 0.1;
		2788	$AIO_POLL_WATCHER = Event->io (
		2789	reentrant => 0,
		2790	data => WF_AUTOCANCEL,
		2791	fd => IO::AIO::poll_fileno,
		2792	poll => 'r',
		2793	prio => 6,
		2794	cb => \&IO::AIO::poll_cb,
		2795	);
		2796	}
2444		2797
2445	END { cf::emergency_save }	2798	END { cf::emergency_save }
2446		2799
2447	1	2800	1
2448		2801

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