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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.154 by root, Tue Jan 9 15:36:19 2007 UTC vs.
Revision 1.238 by root, Sat Apr 14 07:23:00 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Storable;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
12		13
13	use Coro 3.3 ();	14	use Coro 3.52 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
		21	use Coro::Storable;
19		22
		23	use BDB ();
20	use Data::Dumper;	24	use Data::Dumper;
21	use Digest::MD5;	25	use Digest::MD5;
22	use Fcntl;	26	use Fcntl;
		27	use YAML::Syck ();
23	use IO::AIO 2.32 ();	28	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	29	use Time::HiRes;
		30	use Compress::LZF;
26		31
		32	# configure various modules to our taste
		33	#
		34	$Storable::canonical = 1; # reduce rsync transfers
		35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		37
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	38	$Event::Eval = 1; # no idea why this is required, but it is
28		39
29	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
30	$YAML::Syck::ImplicitUnicode = 1;	41	$YAML::Syck::ImplicitUnicode = 1;
31		42
32	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
33		44
34	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		46
36	our %COMMAND = ();	47	our %COMMAND = ();
37	our %COMMAND_TIME = ();	48	our %COMMAND_TIME = ();
		49
		50	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	51	our %EXTCMD = ();
		52	our %EXT_CORO = (); # coroutines bound to extensions
		53	our %EXT_MAP = (); # pluggable maps
39		54
		55	our $RELOAD; # number of reloads so far
40	our @EVENT;	56	our @EVENT;
41	our $LIBDIR = datadir . "/ext";	57	our $LIBDIR = datadir . "/ext";
42		58
43	our $TICK = MAX_TIME * 1e-6;	59	our $TICK = MAX_TIME * 1e-6;
44	our $TICK_WATCHER;	60	our $TICK_WATCHER;
		61	our $AIO_POLL_WATCHER;
		62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	63	our $NEXT_TICK;
46	our $NOW;	64	our $NOW;
		65	our $USE_FSYNC = 1; # use fsync to write maps - default off
		66
		67	our $BDB_POLL_WATCHER;
		68	our $DB_ENV;
47		69
48	our %CFG;	70	our %CFG;
49		71
50	our $UPTIME; $UPTIME ||= time;	72	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	73	our $RUNTIME;
52		74
53	our %PLAYER; # all users	75	our %PLAYER; # all users
54	our %MAP; # all maps	76	our %MAP; # all maps
55	our $LINK_MAP; # the special {link} map	77	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";	78	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions	79	our $BDB_ENV_DIR = cf::localdir . "/db";
		80
		81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		83
		84	# used to convert map paths into valid unix filenames by replacing / by ∕
		85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
58		86
59	binmode STDOUT;	87	binmode STDOUT;
60	binmode STDERR;	88	binmode STDERR;
61		89
62	# read virtual server time, if available	90	# read virtual server time, if available
…		…
69	mkdir cf::localdir;	97	mkdir cf::localdir;
70	mkdir cf::localdir . "/" . cf::playerdir;	98	mkdir cf::localdir . "/" . cf::playerdir;
71	mkdir cf::localdir . "/" . cf::tmpdir;	99	mkdir cf::localdir . "/" . cf::tmpdir;
72	mkdir cf::localdir . "/" . cf::uniquedir;	100	mkdir cf::localdir . "/" . cf::uniquedir;
73	mkdir $RANDOM_MAPS;	101	mkdir $RANDOM_MAPS;
		102	mkdir $BDB_ENV_DIR;
74		103
75	# a special map that is always available
76	our $LINK_MAP;
77	our $EMERGENCY_POSITION;	104	our $EMERGENCY_POSITION;
		105
		106	sub cf::map::normalise;
78		107
79	#############################################################################	108	#############################################################################
80		109
81	=head2 GLOBAL VARIABLES	110	=head2 GLOBAL VARIABLES
82		111
…		…
106		135
107	=item %cf::CFG	136	=item %cf::CFG
108		137
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	138	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	139	from wherever your confdir points to.
		140
		141	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		142
		143	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		144	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		145	processing has been done. Call C<< ->wait >> on them to maximise the
		146	window of cpu time available, or simply to synchronise to the server tick.
111		147
112	=back	148	=back
113		149
114	=cut	150	=cut
115		151
…		…
146	}	182	}
147		183
148	$Event::DIED = sub {	184	$Event::DIED = sub {
149	warn "error in event callback: @_";	185	warn "error in event callback: @_";
150	};	186	};
151
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155		187
156	=head2 UTILITY FUNCTIONS	188	=head2 UTILITY FUNCTIONS
157		189
158	=over 4	190	=over 4
159		191
…		…
178	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
179	$d	211	$d
180	} || "[unable to dump $_[0]: '$@']";	212	} || "[unable to dump $_[0]: '$@']";
181	}	213	}
182		214
183	use JSON::Syck (); # TODO# replace by JSON::PC once working	215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
184		216
185	=item $ref = cf::from_json $json	217	=item $ref = cf::from_json $json
186		218
187	Converts a JSON string into the corresponding perl data structure.	219	Converts a JSON string into the corresponding perl data structure.
188		220
189	=cut
190
191	sub from_json($) {
192	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
193	JSON::Syck::Load $_[0]
194	}
195
196	=item $json = cf::to_json $ref	221	=item $json = cf::to_json $ref
197		222
198	Converts a perl data structure into its JSON representation.	223	Converts a perl data structure into its JSON representation.
199
200	=cut
201
202	sub to_json($) {
203	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
204	JSON::Syck::Dump $_[0]
205	}
206		224
207	=item cf::lock_wait $string	225	=item cf::lock_wait $string
208		226
209	Wait until the given lock is available. See cf::lock_acquire.	227	Wait until the given lock is available. See cf::lock_acquire.
210		228
…		…
247	}	265	}
248		266
249	sub freeze_mainloop {	267	sub freeze_mainloop {
250	return unless $TICK_WATCHER->is_active;	268	return unless $TICK_WATCHER->is_active;
251		269
252	my $guard = Coro::guard { $TICK_WATCHER->start };	270	my $guard = Coro::guard {
		271	$TICK_WATCHER->start;
		272	};
253	$TICK_WATCHER->stop;	273	$TICK_WATCHER->stop;
254	$guard	274	$guard
255	}	275	}
256		276
257	=item cf::async { BLOCK }	277	=item cf::async { BLOCK }
…		…
309	}	329	}
310	}	330	}
311		331
312	=item $coro = cf::async_ext { BLOCK }	332	=item $coro = cf::async_ext { BLOCK }
313		333
314	Like async, but this coro is automcatially being canceled when the	334	Like async, but this coro is automatically being canceled when the
315	extension calling this is being unloaded.	335	extension calling this is being unloaded.
316		336
317	=cut	337	=cut
318		338
319	sub async_ext(&) {	339	sub async_ext(&) {
…		…
328		348
329	$coro	349	$coro
330	}	350	}
331		351
332	sub write_runtime {	352	sub write_runtime {
		353	my $guard = cf::lock_acquire "write_runtime";
		354
333	my $runtime = cf::localdir . "/runtime";	355	my $runtime = cf::localdir . "/runtime";
334		356
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
336	or return;	358	or return;
337		359
		360	my $value = $cf::RUNTIME + 90 + 10;
338	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	361	# 10 is the runtime save interval, for a monotonic clock
		362	# 60 allows for the watchdog to kill the server.
		363
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0	364	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;	365	and return;
341		366
		367	# always fsync - this file is important
342	aio_fsync $fh	368	aio_fsync $fh
343	and return;	369	and return;
344		370
345	close $fh	371	close $fh
346	or return;	372	or return;
…		…
349	and return;	375	and return;
350		376
351	1	377	1
352	}	378	}
353		379
		380	=item cf::datalog type => key => value, ...
		381
		382	Log a datalog packet of the given type with the given key-value pairs.
		383
		384	=cut
		385
		386	sub datalog($@) {
		387	my ($type, %kv) = @_;
		388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		389	}
		390
354	=back	391	=back
355		392
356	=cut	393	=cut
357
358	#############################################################################
359
360	package cf::path;
361
362	# used to convert map paths into valid unix filenames by repalcing / by ∕
363	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
364
365	sub new {
366	my ($class, $path, $base) = @_;
367
368	$path = $path->as_string if ref $path;
369
370	my $self = bless { }, $class;
371
372	# {... are special paths that are not touched
373	# ?xxx/... are special absolute paths
374	# ?random/... random maps
375	# /! non-realised random map exit
376	# /... normal maps
377	# ~/... per-player maps without a specific player (DO NOT USE)
378	# ~user/... per-player map of a specific user
379
380	if ($path =~ /^{/) {
381	# fine as it is
382	} elsif ($path =~ s{^\?random/}{}) {
383	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
384	$self->{random} = cf::from_json $data;
385	} else {
386	if ($path =~ s{^~([^/]+)?}{}) {
387	$self->{user_rel} = 1;
388
389	if (defined $1) {
390	$self->{user} = $1;
391	} elsif ($base =~ m{^~([^/]+)/}) {
392	$self->{user} = $1;
393	} else {
394	warn "cannot resolve user-relative path without user <$path,$base>\n";
395	}
396	} elsif ($path =~ /^\//) {
397	# already absolute
398	} else {
399	$base =~ s{[^/]+/?$}{};
400	return $class->new ("$base/$path");
401	}
402
403	for ($path) {
404	redo if s{/\.?/}{/};
405	redo if s{/[^/]+/\.\./}{/};
406	}
407	}
408
409	$self->{path} = $path;
410
411	$self
412	}
413
414	# the name / primary key / in-game path
415	sub as_string {
416	my ($self) = @_;
417
418	$self->{user_rel} ? "~$self->{user}$self->{path}"
419	: $self->{random} ? "?random/$self->{path}"
420	: $self->{path}
421	}
422
423	# the displayed name, this is a one way mapping
424	sub visible_name {
425	my ($self) = @_;
426
427	# if (my $rmp = $self->{random}) {
428	# # todo: be more intelligent about this
429	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
430	# } else {
431	$self->as_string
432	# }
433	}
434
435	# escape the /'s in the path
436	sub _escaped_path {
437	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
438	$path
439	}
440
441	# the original (read-only) location
442	sub load_path {
443	my ($self) = @_;
444
445	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
446	}
447
448	# the temporary/swap location
449	sub save_path {
450	my ($self) = @_;
451
452	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
453	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
454	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
455	}
456
457	# the unique path, might be eq to save_path
458	sub uniq_path {
459	my ($self) = @_;
460
461	$self->{user_rel} || $self->{random}
462	? undef
463	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
464	}
465
466	# return random map parameters, or undef
467	sub random_map_params {
468	my ($self) = @_;
469
470	$self->{random}
471	}
472
473	# this is somewhat ugly, but style maps do need special treatment
474	sub is_style_map {
475	$_[0]{path} =~ m{^/styles/}
476	}
477
478	package cf;
479		394
480	#############################################################################	395	#############################################################################
481		396
482	=head2 ATTACHABLE OBJECTS	397	=head2 ATTACHABLE OBJECTS
483		398
…		…
609	our @CB_TYPE = (); # registry for type (cf-object class) based events	524	our @CB_TYPE = (); # registry for type (cf-object class) based events
610	our @CB_MAP = ();	525	our @CB_MAP = ();
611		526
612	my %attachment;	527	my %attachment;
613		528
		529	sub cf::attachable::thawer_merge {
		530	# simply override everything except _meta
		531	local $_[0]{_meta};
		532	%{$_[0]} = %{$_[1]};
		533	}
		534
614	sub _attach_cb($$$$) {	535	sub _attach_cb($$$$) {
615	my ($registry, $event, $prio, $cb) = @_;	536	my ($registry, $event, $prio, $cb) = @_;
616		537
617	use sort 'stable';	538	use sort 'stable';
618		539
…		…
789	# object support	710	# object support
790		711
791	sub reattach {	712	sub reattach {
792	# basically do the same as instantiate, without calling instantiate	713	# basically do the same as instantiate, without calling instantiate
793	my ($obj) = @_;	714	my ($obj) = @_;
		715
		716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
794		717
795	my $registry = $obj->registry;	718	my $registry = $obj->registry;
796		719
797	@$registry = ();	720	@$registry = ();
798		721
…		…
845	$filename, length $$rdata, scalar @$objs;	768	$filename, length $$rdata, scalar @$objs;
846		769
847	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
848	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
849	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
850	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
851	close $fh;	774	close $fh;
852		775
853	if (@$objs) {	776	if (@$objs) {
854	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
855	chmod SAVE_MODE, $fh;	778	chmod SAVE_MODE, $fh;
856	my $data = Storable::nfreeze { version => 1, objs => $objs };	779	my $data = Storable::nfreeze { version => 1, objs => $objs };
857	aio_write $fh, 0, (length $data), $data, 0;	780	aio_write $fh, 0, (length $data), $data, 0;
858	aio_fsync $fh;	781	aio_fsync $fh if $cf::USE_FSYNC;
859	close $fh;	782	close $fh;
860	aio_rename "$filename.pst~", "$filename.pst";	783	aio_rename "$filename.pst~", "$filename.pst";
861	}	784	}
862	} else {	785	} else {
863	aio_unlink "$filename.pst";	786	aio_unlink "$filename.pst";
…		…
930	=cut	853	=cut
931		854
932	sub register_extcmd {	855	sub register_extcmd {
933	my ($name, $cb) = @_;	856	my ($name, $cb) = @_;
934		857
935	my $caller = caller;
936	#warn "registering extcmd '$name' to '$caller'";
937
938	$EXTCMD{$name} = [$cb, $caller];	858	$EXTCMD{$name} = $cb;
939	}	859	}
940		860
941	cf::player->attach (	861	cf::player->attach (
942	on_command => sub {	862	on_command => sub {
943	my ($pl, $name, $params) = @_;	863	my ($pl, $name, $params) = @_;
…		…
956		876
957	my $msg = eval { from_json $buf };	877	my $msg = eval { from_json $buf };
958		878
959	if (ref $msg) {	879	if (ref $msg) {
960	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
961	if (my %reply = $cb->[0]->($pl, $msg)) {	881	if (my %reply = $cb->($pl, $msg)) {
962	$pl->ext_reply ($msg->{msgid}, %reply);	882	$pl->ext_reply ($msg->{msgid}, %reply);
963	}	883	}
964	}	884	}
965	} else {	885	} else {
966	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
968		888
969	cf::override;	889	cf::override;
970	},	890	},
971	);	891	);
972		892
973	sub register {
974	my ($base, $pkg) = @_;
975
976	#TODO
977	}
978
979	sub load_extension {	893	sub load_extension {
980	my ($path) = @_;	894	my ($path) = @_;
981		895
982	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
983	my $base = $1;	897	my $base = $1;
984	my $pkg = $1;	898	my $pkg = $1;
985	$pkg =~ s/[^[:word:]]/_/g;	899	$pkg =~ s/[^[:word:]]/_/g;
986	$pkg = "ext::$pkg";	900	$pkg = "ext::$pkg";
987		901
988	warn "loading '$path' into '$pkg'\n";	902	warn "... loading '$path' into '$pkg'\n";
989		903
990	open my $fh, "<:utf8", $path	904	open my $fh, "<:utf8", $path
991	or die "$path: $!";	905	or die "$path: $!";
992		906
993	my $source =	907	my $source =
994	"package $pkg; use strict; use utf8;\n"	908	"package $pkg; use strict; use utf8;\n"
995	. "#line 1 \"$path\"\n{\n"	909	. "#line 1 \"$path\"\n{\n"
996	. (do { local $/; <$fh> })	910	. (do { local $/; <$fh> })
997	. "\n};\n1";	911	. "\n};\n1";
998		912
999	eval $source	913	unless (eval $source) {
1000	or die $@ ? "$path: $@\n"	914	my $msg = $@ ? "$path: $@\n"
1001	: "extension disabled.\n";	915	: "extension disabled.\n";
1002		916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1003	push @exts, $pkg;	917	warn $@;
1004	$ext_pkg{$base} = $pkg;	918	warn "mandatory extension failed to load, exiting.\n";
1005		919	exit 1;
1006	# no strict 'refs';	920	}
1007	# @{"$pkg\::ISA"} = ext::;	921	die $@;
1008
1009	register $base, $pkg;
1010	}
1011
1012	sub unload_extension {
1013	my ($pkg) = @_;
1014
1015	warn "removing extension $pkg\n";
1016
1017	# remove hooks
1018	#TODO
1019	# for my $idx (0 .. $#PLUGIN_EVENT) {
1020	# delete $hook[$idx]{$pkg};
1021	# }	922	}
1022		923
1023	# remove commands	924	push @EXTS, $pkg;
1024	for my $name (keys %COMMAND) {
1025	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1026
1027	if (@cb) {
1028	$COMMAND{$name} = \@cb;
1029	} else {
1030	delete $COMMAND{$name};
1031	}
1032	}
1033
1034	# remove extcmds
1035	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1036	delete $EXTCMD{$name};
1037	}
1038
1039	if (my $cb = $pkg->can ("unload")) {
1040	eval {
1041	$cb->($pkg);
1042	1
1043	} or warn "$pkg unloaded, but with errors: $@";
1044	}
1045
1046	Symbol::delete_package $pkg;
1047	}	925	}
1048		926
1049	sub load_extensions {	927	sub load_extensions {
1050	for my $ext (<$LIBDIR/*.ext>) {	928	for my $ext (<$LIBDIR/*.ext>) {
1051	next unless -r $ext;	929	next unless -r $ext;
…		…
1055	} or warn "$ext not loaded: $@";	933	} or warn "$ext not loaded: $@";
1056	}	934	}
1057	}	935	}
1058		936
1059	#############################################################################	937	#############################################################################
1060	# load/save/clean perl data associated with a map
1061
1062	*cf::mapsupport::on_clean = sub {
1063	my ($map) = @_;
1064
1065	my $path = $map->tmpname;
1066	defined $path or return;
1067
1068	unlink "$path.pst";
1069	};
1070
1071	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1072
1073	#############################################################################
1074	# load/save perl data associated with player->ob objects
1075
1076	sub all_objects(@) {
1077	@_, map all_objects ($_->inv), @_
1078	}
1079
1080	# TODO: compatibility cruft, remove when no longer needed
1081	cf::player->attach (
1082	on_load => sub {
1083	my ($pl, $path) = @_;
1084
1085	for my $o (all_objects $pl->ob) {
1086	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1087	$o->set_ob_key_value ("_perl_data");
1088
1089	%$o = %{ Storable::thaw pack "H*", $value };
1090	}
1091	}
1092	},
1093	);
1094
1095	#############################################################################
1096		938
1097	=head2 CORE EXTENSIONS	939	=head2 CORE EXTENSIONS
1098		940
1099	Functions and methods that extend core crossfire objects.	941	Functions and methods that extend core crossfire objects.
1100		942
…		…
1123	}	965	}
1124		966
1125	sub path($) {	967	sub path($) {
1126	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1127		969
1128	(playerdir $login) . "/$login.pl"	970	(playerdir $login) . "/playerdata"
1129	}	971	}
1130		972
1131	sub find_active($) {	973	sub find_active($) {
1132	$cf::PLAYER{$_[0]}	974	$cf::PLAYER{$_[0]}
1133	and $cf::PLAYER{$_[0]}->active	975	and $cf::PLAYER{$_[0]}->active
…		…
1136		978
1137	sub exists($) {	979	sub exists($) {
1138	my ($login) = @_;	980	my ($login) = @_;
1139		981
1140	$cf::PLAYER{$login}	982	$cf::PLAYER{$login}
1141	or cf::sync_job { !aio_stat $login }	983	or cf::sync_job { !aio_stat path $login }
1142	}	984	}
1143		985
1144	sub find($) {	986	sub find($) {
1145	return $cf::PLAYER{$_[0]} || do {	987	return $cf::PLAYER{$_[0]} || do {
1146	my $login = $_[0];	988	my $login = $_[0];
1147		989
1148	my $guard = cf::lock_acquire "user_find:$login";	990	my $guard = cf::lock_acquire "user_find:$login";
1149		991
1150	$cf::PLAYER{$_[0]} || do {	992	$cf::PLAYER{$_[0]} || do {
		993	# rename old playerfiles to new ones
		994	#TODO: remove when no longer required
		995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		997	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		998	aio_unlink +(playerdir $login) . "/$login.pl";
		999
1151	my $pl = load_pl path $login	1000	my $pl = load_pl path $login
1152	or return;	1001	or return;
1153	$cf::PLAYER{$login} = $pl	1002	$cf::PLAYER{$login} = $pl
1154	}	1003	}
1155	}	1004	}
…		…
1192		1041
1193	=cut	1042	=cut
1194		1043
1195	sub quit_character {	1044	sub quit_character {
1196	my ($pl) = @_;	1045	my ($pl) = @_;
		1046
		1047	my $name = $pl->ob->name;
1197		1048
1198	$pl->{deny_save} = 1;	1049	$pl->{deny_save} = 1;
1199	$pl->password ("*"); # this should lock out the player until we nuked the dir	1050	$pl->password ("*"); # this should lock out the player until we nuked the dir
1200		1051
1201	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1206	my $path = playerdir $pl;	1057	my $path = playerdir $pl;
1207	my $temp = "$path~$cf::RUNTIME~deleting~";	1058	my $temp = "$path~$cf::RUNTIME~deleting~";
1208	aio_rename $path, $temp;	1059	aio_rename $path, $temp;
1209	delete $cf::PLAYER{$pl->ob->name};	1060	delete $cf::PLAYER{$pl->ob->name};
1210	$pl->destroy;	1061	$pl->destroy;
		1062
		1063	my $prefix = qr<^~\Q$name\E/>;
		1064
		1065	# nuke player maps
		1066	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1067
1211	IO::AIO::aio_rmtree $temp;	1068	IO::AIO::aio_rmtree $temp;
		1069	}
		1070
		1071	=item $pl->kick
		1072
		1073	Kicks a player out of the game. This destroys the connection.
		1074
		1075	=cut
		1076
		1077	sub kick {
		1078	my ($pl, $kicker) = @_;
		1079
		1080	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1081	$pl->killer ("kicked");
		1082	$pl->ns->destroy;
1212	}	1083	}
1213		1084
1214	=item cf::player::list_logins	1085	=item cf::player::list_logins
1215		1086
1216	Returns am arrayref of all valid playernames in the system, can take a	1087	Returns am arrayref of all valid playernames in the system, can take a
…		…
1225	my @logins;	1096	my @logins;
1226		1097
1227	for my $login (@$dirs) {	1098	for my $login (@$dirs) {
1228	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1229	aio_read $fh, 0, 512, my $buf, 0 or next;	1100	aio_read $fh, 0, 512, my $buf, 0 or next;
1230	$buf !~ /^password -------------$/ or next; # official not-valid tag	1101	$buf !~ /^password -------------$/m or next; # official not-valid tag
1231		1102
1232	utf8::decode $login;	1103	utf8::decode $login;
1233	push @logins, $login;	1104	push @logins, $login;
1234	}	1105	}
1235		1106
1236	\@logins	1107	\@logins
1237	}	1108	}
1238		1109
1239	=item $player->maps	1110	=item $player->maps
1240		1111
1241	Returns an arrayref of cf::path's of all maps that are private for this	1112	Returns an arrayref of map paths that are private for this
1242	player. May block.	1113	player. May block.
1243		1114
1244	=cut	1115	=cut
1245		1116
1246	sub maps($) {	1117	sub maps($) {
1247	my ($pl) = @_;	1118	my ($pl) = @_;
		1119
		1120	$pl = ref $pl ? $pl->ob->name : $pl;
1248		1121
1249	my $files = aio_readdir playerdir $pl	1122	my $files = aio_readdir playerdir $pl
1250	or return;	1123	or return;
1251		1124
1252	my @paths;	1125	my @paths;
1253		1126
1254	for (@$files) {	1127	for (@$files) {
1255	utf8::decode $_;	1128	utf8::decode $_;
1256	next if /\.(?:pl|pst)$/;	1129	next if /\.(?:pl|pst)$/;
1257	next unless /^$PATH_SEP/;	1130	next unless /^$PATH_SEP/o;
1258		1131
1259	s/$PATH_SEP/\//g;	1132	push @paths, cf::map::normalise "~$pl/$_";
1260	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1261	}	1133	}
1262		1134
1263	\@paths	1135	\@paths
1264	}	1136	}
1265		1137
1266	=item $player->ext_reply ($msgid, $msgtype, %msg)	1138	=item $player->ext_reply ($msgid, %msg)
1267		1139
1268	Sends an ext reply to the player.	1140	Sends an ext reply to the player.
1269		1141
1270	=cut	1142	=cut
1271		1143
1272	sub ext_reply($$$%) {	1144	sub ext_reply($$%) {
1273	my ($self, $id, %msg) = @_;	1145	my ($self, $id, %msg) = @_;
1274		1146
1275	$msg{msgid} = $id;	1147	$msg{msgid} = $id;
1276		1148
1277	$self->send ("ext " . cf::to_json \%msg);	1149	$self->send ("ext " . cf::to_json \%msg);
1278	}	1150	}
1279		1151
1280	package cf;	1152	=item $player->ext_event ($type, %msg)
		1153
		1154	Sends an ext event to the client.
		1155
		1156	=cut
		1157
		1158	sub ext_event($$%) {
		1159	my ($self, $type, %msg) = @_;
		1160
		1161	$self->ns->ext_event ($type, %msg);
		1162	}
		1163
		1164	=head3 cf::region
		1165
		1166	=over 4
		1167
		1168	=cut
		1169
		1170	package cf::region;
		1171
		1172	=item cf::region::find_by_path $path
		1173
		1174	Tries to decuce the probable region for a map knowing only its path.
		1175
		1176	=cut
		1177
		1178	sub find_by_path($) {
		1179	my ($path) = @_;
		1180
		1181	my ($match, $specificity);
		1182
		1183	for my $region (list) {
		1184	if ($region->match && $path =~ $region->match) {
		1185	($match, $specificity) = ($region, $region->specificity)
		1186	if $region->specificity > $specificity;
		1187	}
		1188	}
		1189
		1190	$match
		1191	}
1281		1192
1282	=back	1193	=back
1283
1284		1194
1285	=head3 cf::map	1195	=head3 cf::map
1286		1196
1287	=over 4	1197	=over 4
1288		1198
…		…
1291	package cf::map;	1201	package cf::map;
1292		1202
1293	use Fcntl;	1203	use Fcntl;
1294	use Coro::AIO;	1204	use Coro::AIO;
1295		1205
		1206	use overload
		1207	'""' => \&as_string,
		1208	fallback => 1;
		1209
1296	our $MAX_RESET = 3600;	1210	our $MAX_RESET = 3600;
1297	our $DEFAULT_RESET = 3000;	1211	our $DEFAULT_RESET = 3000;
1298		1212
1299	sub generate_random_map {	1213	sub generate_random_map {
1300	my ($path, $rmp) = @_;	1214	my ($self, $rmp) = @_;
1301
1302	# mit "rum" bekleckern, nicht	1215	# mit "rum" bekleckern, nicht
1303	cf::map::_create_random_map	1216	$self->_create_random_map (
1304	$path,
1305	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1306	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1307	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1308	$rmp->{exit_on_final_map},	1220	$rmp->{exit_on_final_map},
1309	$rmp->{xsize}, $rmp->{ysize},	1221	$rmp->{xsize}, $rmp->{ysize},
1310	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1311	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1312	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1224	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1313	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1225	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1314	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1315	(cf::region::find $rmp->{region})	1227	(cf::region::find $rmp->{region}), $rmp->{custom}
		1228	)
		1229	}
		1230
		1231	=item cf::map->register ($regex, $prio)
		1232
		1233	Register a handler for the map path matching the given regex at the
		1234	givne priority (higher is better, built-in handlers have priority 0, the
		1235	default).
		1236
		1237	=cut
		1238
		1239	sub register {
		1240	my (undef, $regex, $prio) = @_;
		1241	my $pkg = caller;
		1242
		1243	no strict;
		1244	push @{"$pkg\::ISA"}, __PACKAGE__;
		1245
		1246	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1247	}
		1248
		1249	# also paths starting with '/'
		1250	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1251
		1252	sub thawer_merge {
		1253	my ($self, $merge) = @_;
		1254
		1255	# we have to keep some variables in memory intact
		1256	local $self->{path};
		1257	local $self->{load_path};
		1258	local $self->{deny_save};
		1259	local $self->{deny_reset};
		1260
		1261	$self->SUPER::thawer_merge ($merge);
		1262	}
		1263
		1264	sub normalise {
		1265	my ($path, $base) = @_;
		1266
		1267	$path = "$path"; # make sure its a string
		1268
		1269	$path =~ s/\.map$//;
		1270
		1271	# map plan:
		1272	#
		1273	# /! non-realised random map exit (special hack!)
		1274	# {... are special paths that are not being touched
		1275	# ?xxx/... are special absolute paths
		1276	# ?random/... random maps
		1277	# /... normal maps
		1278	# ~user/... per-player map of a specific user
		1279
		1280	$path =~ s/$PATH_SEP/\//go;
		1281
		1282	# treat it as relative path if it starts with
		1283	# something that looks reasonable
		1284	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1285	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1286
		1287	$base =~ s{[^/]+/?$}{};
		1288	$path = "$base/$path";
		1289	}
		1290
		1291	for ($path) {
		1292	redo if s{//}{/};
		1293	redo if s{/\.?/}{/};
		1294	redo if s{/[^/]+/\.\./}{/};
		1295	}
		1296
		1297	$path
		1298	}
		1299
		1300	sub new_from_path {
		1301	my (undef, $path, $base) = @_;
		1302
		1303	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1304
		1305	$path = normalise $path, $base;
		1306
		1307	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1308	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1309	my $self = bless cf::map::new, $pkg;
		1310	$self->{path} = $path; $self->path ($path);
		1311	$self->init; # pass $1 etc.
		1312	return $self;
		1313	}
		1314	}
		1315
		1316	Carp::carp "unable to resolve path '$path' (base '$base').";
		1317	()
		1318	}
		1319
		1320	sub init {
		1321	my ($self) = @_;
		1322
		1323	$self
		1324	}
		1325
		1326	sub as_string {
		1327	my ($self) = @_;
		1328
		1329	"$self->{path}"
		1330	}
		1331
		1332	# the displayed name, this is a one way mapping
		1333	sub visible_name {
		1334	&as_string
		1335	}
		1336
		1337	# the original (read-only) location
		1338	sub load_path {
		1339	my ($self) = @_;
		1340
		1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1342	}
		1343
		1344	# the temporary/swap location
		1345	sub save_path {
		1346	my ($self) = @_;
		1347
		1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1350	}
		1351
		1352	# the unique path, undef == no special unique path
		1353	sub uniq_path {
		1354	my ($self) = @_;
		1355
		1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1316	}	1358	}
1317		1359
1318	# and all this just because we cannot iterate over	1360	# and all this just because we cannot iterate over
1319	# all maps in C++...	1361	# all maps in C++...
1320	sub change_all_map_light {	1362	sub change_all_map_light {
…		…
1322		1364
1323	$_->change_map_light ($change)	1365	$_->change_map_light ($change)
1324	for grep $_->outdoor, values %cf::MAP;	1366	for grep $_->outdoor, values %cf::MAP;
1325	}	1367	}
1326		1368
		1369	sub unlink_save {
		1370	my ($self) = @_;
		1371
		1372	utf8::encode (my $save = $self->save_path);
		1373	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1374	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1375	}
		1376
1327	sub try_load_header($) {	1377	sub load_header_from($) {
1328	my ($path) = @_;	1378	my ($self, $path) = @_;
1329		1379
1330	utf8::encode $path;	1380	utf8::encode $path;
1331	aio_open $path, O_RDONLY, 0	1381	#aio_open $path, O_RDONLY, 0
		1382	# or return;
		1383
		1384	$self->_load_header ($path)
1332	or return;	1385	or return;
1333		1386
1334	my $map = cf::map::new	1387	$self->{load_path} = $path;
		1388
		1389	1
		1390	}
		1391
		1392	sub load_header_orig {
		1393	my ($self) = @_;
		1394
		1395	$self->load_header_from ($self->load_path)
		1396	}
		1397
		1398	sub load_header_temp {
		1399	my ($self) = @_;
		1400
		1401	$self->load_header_from ($self->save_path)
		1402	}
		1403
		1404	sub prepare_temp {
		1405	my ($self) = @_;
		1406
		1407	$self->last_access ((delete $self->{last_access})
		1408	|| $cf::RUNTIME); #d#
		1409	# safety
		1410	$self->{instantiate_time} = $cf::RUNTIME
		1411	if $self->{instantiate_time} > $cf::RUNTIME;
		1412	}
		1413
		1414	sub prepare_orig {
		1415	my ($self) = @_;
		1416
		1417	$self->{load_original} = 1;
		1418	$self->{instantiate_time} = $cf::RUNTIME;
		1419	$self->last_access ($cf::RUNTIME);
		1420	$self->instantiate;
		1421	}
		1422
		1423	sub load_header {
		1424	my ($self) = @_;
		1425
		1426	if ($self->load_header_temp) {
		1427	$self->prepare_temp;
		1428	} else {
		1429	$self->load_header_orig
1335	or return;	1430	or return;
		1431	$self->prepare_orig;
		1432	}
1336		1433
1337	# for better error messages only, will be overwritten	1434	$self->default_region (cf::region::find_by_path $self->{path})
1338	$map->path ($path);	1435	unless $self->default_region;
1339		1436
1340	$map->load_header ($path)	1437	1
1341	or return;
1342
1343	$map->{load_path} = $path;
1344
1345	$map
1346	}	1438	}
1347		1439
1348	sub find;	1440	sub find;
1349	sub find {	1441	sub find {
1350	my ($path, $origin) = @_;	1442	my ($path, $origin) = @_;
1351		1443
1352	#warn "find<$path,$origin>\n";#d#
1353
1354	$path = new cf::path $path, $origin && $origin->path;	1444	$path = normalise $path, $origin && $origin->path;
1355	my $key = $path->as_string;
1356		1445
1357	cf::lock_wait "map_find:$key";	1446	cf::lock_wait "map_find:$path";
1358		1447
1359	$cf::MAP{$key} || do {	1448	$cf::MAP{$path} || do {
1360	my $guard = cf::lock_acquire "map_find:$key";	1449	my $guard = cf::lock_acquire "map_find:$path";
1361		1450	my $map = new_from_path cf::map $path
1362	# do it the slow way
1363	my $map = try_load_header $path->save_path;
1364
1365	Coro::cede;
1366
1367	if ($map) {
1368	$map->last_access ((delete $map->{last_access})
1369	|| $cf::RUNTIME); #d#
1370	# safety
1371	$map->{instantiate_time} = $cf::RUNTIME
1372	if $map->{instantiate_time} > $cf::RUNTIME;
1373	} else {
1374	if (my $rmp = $path->random_map_params) {
1375	$map = generate_random_map $key, $rmp;
1376	} else {
1377	$map = try_load_header $path->load_path;
1378	}
1379
1380	$map or return;	1451	or return;
1381		1452
1382	$map->{load_original} = 1;
1383	$map->{instantiate_time} = $cf::RUNTIME;
1384	$map->last_access ($cf::RUNTIME);
1385	$map->instantiate;
1386
1387	# per-player maps become, after loading, normal maps
1388	$map->per_player (0) if $path->{user_rel};
1389	}
1390
1391	$map->path ($key);
1392	$map->{path} = $path;
1393	$map->{last_save} = $cf::RUNTIME;	1453	$map->{last_save} = $cf::RUNTIME;
1394		1454
1395	Coro::cede;	1455	$map->load_header
		1456	or return;
1396		1457
1397	if ($map->should_reset) {	1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1459	# doing this can freeze the server in a sync job, obviously
		1460	#$cf::WAIT_FOR_TICK->wait;
1398	$map->reset;	1461	$map->reset;
1399	undef $guard;	1462	undef $guard;
1400	$map = find $path	1463	return find $path;
1401	or return;
1402	}	1464	}
1403		1465
1404	$cf::MAP{$key} = $map	1466	$cf::MAP{$path} = $map
1405	}	1467	}
1406	}	1468	}
		1469
		1470	sub pre_load { }
		1471	sub post_load { }
1407		1472
1408	sub load {	1473	sub load {
1409	my ($self) = @_;	1474	my ($self) = @_;
1410		1475
		1476	local $self->{deny_reset} = 1; # loading can take a long time
		1477
1411	my $path = $self->{path};	1478	my $path = $self->{path};
1412	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1479	my $guard = cf::lock_acquire "map_load:$path";
1413		1480
1414	return if $self->in_memory != cf::MAP_SWAPPED;	1481	return if $self->in_memory != cf::MAP_SWAPPED;
1415		1482
1416	$self->in_memory (cf::MAP_LOADING);	1483	$self->in_memory (cf::MAP_LOADING);
1417		1484
1418	$self->alloc;	1485	$self->alloc;
		1486
		1487	$self->pre_load;
		1488
1419	$self->load_objects ($self->{load_path}, 1)	1489	$self->_load_objects ($self->{load_path}, 1)
1420	or return;	1490	or return;
1421		1491
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1492	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};	1493	if delete $self->{load_original};
1424		1494
1425	if (my $uniq = $path->uniq_path) {	1495	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	1496	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	1497	if (aio_open $uniq, O_RDONLY, 0) {
1428	$self->clear_unique_items;	1498	$self->clear_unique_items;
1429	$self->load_objects ($uniq, 0);	1499	$self->_load_objects ($uniq, 0);
1430	}	1500	}
1431	}	1501	}
1432		1502
1433	Coro::cede;	1503	Coro::cede;
1434		1504
1435	# now do the right thing for maps	1505	# now do the right thing for maps
1436	$self->link_multipart_objects;	1506	$self->link_multipart_objects;
1437		1507
1438	if ($self->{path}->is_style_map) {	1508	unless ($self->{deny_activate}) {
1439	$self->{deny_save} = 1;	1509	$self->decay_objects;
1440	$self->{deny_reset} = 1;
1441	} else {
1442	$self->fix_auto_apply;	1510	$self->fix_auto_apply;
1443	$self->decay_objects;
1444	$self->update_buttons;	1511	$self->update_buttons;
		1512	Coro::cede;
1445	$self->set_darkness_map;	1513	$self->set_darkness_map;
1446	$self->difficulty ($self->estimate_difficulty)	1514	$self->difficulty ($self->estimate_difficulty)
1447	unless $self->difficulty;	1515	unless $self->difficulty;
		1516	Coro::cede;
1448	$self->activate;	1517	$self->activate;
1449	}	1518	}
1450		1519
1451	Coro::cede;	1520	$self->post_load;
1452		1521
1453	$self->in_memory (cf::MAP_IN_MEMORY);	1522	$self->in_memory (cf::MAP_IN_MEMORY);
		1523	}
		1524
		1525	sub customise_for {
		1526	my ($self, $ob) = @_;
		1527
		1528	return find "~" . $ob->name . "/" . $self->{path}
		1529	if $self->per_player;
		1530
		1531	$self
		1532	}
		1533
		1534	# find and load all maps in the 3x3 area around a map
		1535	sub load_diag {
		1536	my ($map) = @_;
		1537
		1538	my @diag; # diagonal neighbours
		1539
		1540	for (0 .. 3) {
		1541	my $neigh = $map->tile_path ($_)
		1542	or next;
		1543	$neigh = find $neigh, $map
		1544	or next;
		1545	$neigh->load;
		1546
		1547	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1548	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1549	}
		1550
		1551	for (@diag) {
		1552	my $neigh = find @$_
		1553	or next;
		1554	$neigh->load;
		1555	}
1454	}	1556	}
1455		1557
1456	sub find_sync {	1558	sub find_sync {
1457	my ($path, $origin) = @_;	1559	my ($path, $origin) = @_;
1458		1560
1459	cf::sync_job { cf::map::find $path, $origin }	1561	cf::sync_job { find $path, $origin }
1460	}	1562	}
1461		1563
1462	sub do_load_sync {	1564	sub do_load_sync {
1463	my ($map) = @_;	1565	my ($map) = @_;
1464		1566
1465	cf::sync_job { $map->load };	1567	cf::sync_job { $map->load };
1466	}	1568	}
1467		1569
		1570	our %MAP_PREFETCH;
		1571	our $MAP_PREFETCHER = undef;
		1572
		1573	sub find_async {
		1574	my ($path, $origin) = @_;
		1575
		1576	$path = normalise $path, $origin && $origin->{path};
		1577
		1578	if (my $map = $cf::MAP{$path}) {
		1579	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1580	}
		1581
		1582	undef $MAP_PREFETCH{$path};
		1583	$MAP_PREFETCHER ||= cf::async {
		1584	while (%MAP_PREFETCH) {
		1585	for my $path (keys %MAP_PREFETCH) {
		1586	my $map = find $path
		1587	or next;
		1588	$map->load;
		1589
		1590	delete $MAP_PREFETCH{$path};
		1591	}
		1592	}
		1593	undef $MAP_PREFETCHER;
		1594	};
		1595	$MAP_PREFETCHER->prio (6);
		1596
		1597	()
		1598	}
		1599
1468	sub save {	1600	sub save {
1469	my ($self) = @_;	1601	my ($self) = @_;
1470		1602
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	1603	my $lock = cf::lock_acquire "map_data:" . $self->path;
1472		1604
1473	$self->{last_save} = $cf::RUNTIME;	1605	$self->{last_save} = $cf::RUNTIME;
1474		1606
1475	return unless $self->dirty;	1607	return unless $self->dirty;
1476		1608
1477	my $save = $self->{path}->save_path; utf8::encode $save;	1609	my $save = $self->save_path; utf8::encode $save;
1478	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1610	my $uniq = $self->uniq_path; utf8::encode $uniq;
1479		1611
1480	$self->{load_path} = $save;	1612	$self->{load_path} = $save;
1481		1613
1482	return if $self->{deny_save};	1614	return if $self->{deny_save};
1483		1615
…		…
1486	cf::async {	1618	cf::async {
1487	$_->contr->save for $self->players;	1619	$_->contr->save for $self->players;
1488	};	1620	};
1489		1621
1490	if ($uniq) {	1622	if ($uniq) {
1491	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1623	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1492	$self->save_objects ($uniq, cf::IO_UNIQUES);	1624	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1493	} else {	1625	} else {
1494	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1495	}	1627	}
1496	}	1628	}
1497		1629
1498	sub swap_out {	1630	sub swap_out {
1499	my ($self) = @_;	1631	my ($self) = @_;
…		…
1513		1645
1514	sub reset_at {	1646	sub reset_at {
1515	my ($self) = @_;	1647	my ($self) = @_;
1516		1648
1517	# TODO: safety, remove and allow resettable per-player maps	1649	# TODO: safety, remove and allow resettable per-player maps
1518	return 1e99 if $self->{path}{user_rel};	1650	return 1e99 if $self->isa ("ext::map_per_player");#d#
1519	return 1e99 if $self->{deny_reset};	1651	return 1e99 if $self->{deny_reset};
1520		1652
1521	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1653	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1522	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1654	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1523		1655
…		…
1528	my ($self) = @_;	1660	my ($self) = @_;
1529		1661
1530	$self->reset_at <= $cf::RUNTIME	1662	$self->reset_at <= $cf::RUNTIME
1531	}	1663	}
1532		1664
1533	sub unlink_save {
1534	my ($self) = @_;
1535
1536	utf8::encode (my $save = $self->{path}->save_path);
1537	aioreq_pri 3; IO::AIO::aio_unlink $save;
1538	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1539	}
1540
1541	sub rename {
1542	my ($self, $new_path) = @_;
1543
1544	$self->unlink_save;
1545
1546	delete $cf::MAP{$self->path};
1547	$self->{path} = new cf::path $new_path;
1548	$self->path ($self->{path}->as_string);
1549	$cf::MAP{$self->path} = $self;
1550
1551	$self->save;
1552	}
1553
1554	sub reset {	1665	sub reset {
1555	my ($self) = @_;	1666	my ($self) = @_;
1556		1667
1557	my $lock = cf::lock_acquire "map_data:" . $self->path;	1668	my $lock = cf::lock_acquire "map_data:$self->{path}";
1558		1669
1559	return if $self->players;	1670	return if $self->players;
1560	return if $self->{path}{user_rel};#d#	1671	return if $self->isa ("ext::map_per_player");#d#
1561		1672
1562	warn "resetting map ", $self->path;#d#	1673	warn "resetting map ", $self->path;#d#
1563		1674
		1675	$self->in_memory (cf::MAP_SWAPPED);
		1676
		1677	# need to save uniques path
		1678	unless ($self->{deny_save}) {
		1679	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1680
		1681	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1682	if $uniq;
		1683	}
		1684
1564	delete $cf::MAP{$self->path};	1685	delete $cf::MAP{$self->path};
		1686
		1687	$self->clear;
1565		1688
1566	$_->clear_links_to ($self) for values %cf::MAP;	1689	$_->clear_links_to ($self) for values %cf::MAP;
1567		1690
1568	$self->unlink_save;	1691	$self->unlink_save;
1569	$self->destroy;	1692	$self->destroy;
…		…
1572	my $nuke_counter = "aaaa";	1695	my $nuke_counter = "aaaa";
1573		1696
1574	sub nuke {	1697	sub nuke {
1575	my ($self) = @_;	1698	my ($self) = @_;
1576		1699
		1700	delete $cf::MAP{$self->path};
		1701
		1702	$self->unlink_save;
		1703
		1704	bless $self, "cf::map";
		1705	delete $self->{deny_reset};
1577	$self->{deny_save} = 1;	1706	$self->{deny_save} = 1;
1578	$self->reset_timeout (1);	1707	$self->reset_timeout (1);
1579	$self->rename ("{nuke}/" . ($nuke_counter++));	1708	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1709
		1710	$cf::MAP{$self->path} = $self;
		1711
1580	$self->reset; # polite request, might not happen	1712	$self->reset; # polite request, might not happen
1581	}	1713	}
1582		1714
1583	sub customise_for {	1715	=item cf::map::unique_maps
1584	my ($map, $ob) = @_;
1585		1716
1586	if ($map->per_player) {	1717	Returns an arrayref of paths of all shared maps that have
1587	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1718	instantiated unique items. May block.
1588	}
1589		1719
1590	$map	1720	=cut
1591	}
1592		1721
1593	sub emergency_save {	1722	sub unique_maps() {
1594	my $freeze_guard = cf::freeze_mainloop;	1723	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1724	or return;
1595		1725
1596	warn "enter emergency perl save\n";	1726	my @paths;
1597		1727
1598	cf::sync_job {	1728	for (@$files) {
1599	warn "begin emergency player save\n";	1729	utf8::decode $_;
1600	$_->save for values %cf::PLAYER;	1730	next if /\.pst$/;
1601	warn "end emergency player save\n";	1731	next unless /^$PATH_SEP/o;
1602		1732
1603	warn "begin emergency map save\n";	1733	push @paths, cf::map::normalise $_;
1604	$_->save for values %cf::MAP;
1605	warn "end emergency map save\n";
1606	};	1734	}
1607		1735
1608	warn "leave emergency perl save\n";	1736	\@paths
1609	}	1737	}
1610		1738
1611	package cf;	1739	package cf;
1612		1740
1613	=back	1741	=back
1614		1742
		1743	=head3 cf::object
		1744
		1745	=cut
		1746
		1747	package cf::object;
		1748
		1749	=over 4
		1750
		1751	=item $ob->inv_recursive
		1752
		1753	Returns the inventory of the object _and_ their inventories, recursively.
		1754
		1755	=cut
		1756
		1757	sub inv_recursive_;
		1758	sub inv_recursive_ {
		1759	map { $_, inv_recursive_ $_->inv } @_
		1760	}
		1761
		1762	sub inv_recursive {
		1763	inv_recursive_ inv $_[0]
		1764	}
		1765
		1766	package cf;
		1767
		1768	=back
1615		1769
1616	=head3 cf::object::player	1770	=head3 cf::object::player
1617		1771
1618	=over 4	1772	=over 4
1619		1773
…		…
1659		1813
1660	=item $player_object->enter_link	1814	=item $player_object->enter_link
1661		1815
1662	Freezes the player and moves him/her to a special map (C<{link}>).	1816	Freezes the player and moves him/her to a special map (C<{link}>).
1663		1817
1664	The player should be reaosnably safe there for short amounts of time. You	1818	The player should be reasonably safe there for short amounts of time. You
1665	I<MUST> call C<leave_link> as soon as possible, though.	1819	I<MUST> call C<leave_link> as soon as possible, though.
1666		1820
		1821	Will never block.
		1822
1667	=item $player_object->leave_link ($map, $x, $y)	1823	=item $player_object->leave_link ($map, $x, $y)
1668		1824
1669	Moves the player out of the specila link map onto the given map. If the	1825	Moves the player out of the special C<{link}> map onto the specified
1670	map is not valid (or omitted), the player will be moved back to the	1826	map. If the map is not valid (or omitted), the player will be moved back
1671	location he/she was before the call to C<enter_link>, or, if that fails,	1827	to the location he/she was before the call to C<enter_link>, or, if that
1672	to the emergency map position.	1828	fails, to the emergency map position.
1673		1829
1674	Might block.	1830	Might block.
1675		1831
1676	=cut	1832	=cut
		1833
		1834	sub link_map {
		1835	unless ($LINK_MAP) {
		1836	$LINK_MAP = cf::map::find "{link}"
		1837	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1838	$LINK_MAP->load;
		1839	}
		1840
		1841	$LINK_MAP
		1842	}
1677		1843
1678	sub cf::object::player::enter_link {	1844	sub cf::object::player::enter_link {
1679	my ($self) = @_;	1845	my ($self) = @_;
1680		1846
1681	$self->deactivate_recursive;	1847	$self->deactivate_recursive;
1682		1848
1683	return if $self->map == $LINK_MAP;	1849	return if UNIVERSAL::isa $self->map, "ext::map_link";
1684		1850
1685	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1851	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1686	if $self->map;	1852	if $self->map;
1687		1853
1688	$self->enter_map ($LINK_MAP, 20, 20);	1854	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1689	}	1855	}
1690		1856
1691	sub cf::object::player::leave_link {	1857	sub cf::object::player::leave_link {
1692	my ($self, $map, $x, $y) = @_;	1858	my ($self, $map, $x, $y) = @_;
1693		1859
…		…
1711	# use -1 or undef as default coordinates, not 0, 0	1877	# use -1 or undef as default coordinates, not 0, 0
1712	($x, $y) = ($map->enter_x, $map->enter_y)	1878	($x, $y) = ($map->enter_x, $map->enter_y)
1713	if $x <=0 && $y <= 0;	1879	if $x <=0 && $y <= 0;
1714		1880
1715	$map->load;	1881	$map->load;
		1882	$map->load_diag;
1716		1883
1717	return unless $self->contr->active;	1884	return unless $self->contr->active;
1718	$self->activate_recursive;	1885	$self->activate_recursive;
		1886
		1887	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1719	$self->enter_map ($map, $x, $y);	1888	$self->enter_map ($map, $x, $y);
1720	}	1889	}
1721		1890
1722	cf::player->attach (	1891	cf::player->attach (
1723	on_logout => sub {	1892	on_logout => sub {
…		…
1736	# try to abort aborted map switching on player login :)	1905	# try to abort aborted map switching on player login :)
1737	# should happen only on crashes	1906	# should happen only on crashes
1738	if ($pl->ob->{_link_pos}) {	1907	if ($pl->ob->{_link_pos}) {
1739	$pl->ob->enter_link;	1908	$pl->ob->enter_link;
1740	(async {	1909	(async {
1741	# we need this sleep as the login has a concurrent enter_exit running
1742	# and this sleep increases chances of the player not ending up in scorn
1743	$pl->ob->reply (undef,	1910	$pl->ob->reply (undef,
1744	"There was an internal problem at your last logout, "	1911	"There was an internal problem at your last logout, "
1745	. "the server will try to bring you to your intended destination in a second.",	1912	. "the server will try to bring you to your intended destination in a second.",
1746	cf::NDI_RED);	1913	cf::NDI_RED);
		1914	# we need this sleep as the login has a concurrent enter_exit running
		1915	# and this sleep increases chances of the player not ending up in scorn
1747	Coro::Timer::sleep 1;	1916	Coro::Timer::sleep 1;
1748	$pl->ob->leave_link;	1917	$pl->ob->leave_link;
1749	})->prio (2);	1918	})->prio (2);
1750	}	1919	}
1751	},	1920	},
…		…
1756	=cut	1925	=cut
1757		1926
1758	sub cf::object::player::goto {	1927	sub cf::object::player::goto {
1759	my ($self, $path, $x, $y) = @_;	1928	my ($self, $path, $x, $y) = @_;
1760		1929
1761	$path = new cf::path $path;
1762	$path ne "/" or Carp::cluck ("oy");#d#
1763
1764	$self->enter_link;	1930	$self->enter_link;
1765		1931
1766	(async {	1932	(async {
		1933	my $map = eval {
1767	my $map = cf::map::find $path->as_string;	1934	my $map = cf::map::find $path;
1768	$map = $map->customise_for ($self) if $map;	1935	$map = $map->customise_for ($self) if $map;
1769		1936	$map
1770	# warn "entering ", $map->path, " at ($x, $y)\n"	1937	} or
1771	# if $map;
1772
1773	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1938	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1774		1939
1775	$self->leave_link ($map, $x, $y);	1940	$self->leave_link ($map, $x, $y);
1776	})->prio (1);	1941	})->prio (1);
1777	}	1942	}
1778		1943
…		…
1782		1947
1783	sub parse_random_map_params {	1948	sub parse_random_map_params {
1784	my ($spec) = @_;	1949	my ($spec) = @_;
1785		1950
1786	my $rmp = { # defaults	1951	my $rmp = { # defaults
1787	xsize => 10,	1952	xsize => (cf::rndm 15, 40),
1788	ysize => 10,	1953	ysize => (cf::rndm 15, 40),
		1954	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1955	#layout => string,
1789	};	1956	};
1790		1957
1791	for (split /\n/, $spec) {	1958	for (split /\n/, $spec) {
1792	my ($k, $v) = split /\s+/, $_, 2;	1959	my ($k, $v) = split /\s+/, $_, 2;
1793		1960
…		…
1797	$rmp	1964	$rmp
1798	}	1965	}
1799		1966
1800	sub prepare_random_map {	1967	sub prepare_random_map {
1801	my ($exit) = @_;	1968	my ($exit) = @_;
		1969
		1970	my $guard = cf::lock_acquire "exit_prepare:$exit";
1802		1971
1803	# all this does is basically replace the /! path by	1972	# all this does is basically replace the /! path by
1804	# a new random map path (?random/...) with a seed	1973	# a new random map path (?random/...) with a seed
1805	# that depends on the exit object	1974	# that depends on the exit object
1806		1975
1807	my $rmp = parse_random_map_params $exit->msg;	1976	my $rmp = parse_random_map_params $exit->msg;
1808		1977
1809	if ($exit->map) {	1978	if ($exit->map) {
1810	$rmp->{region} = $exit->map->region_name;	1979	$rmp->{region} = $exit->region->name;
1811	$rmp->{origin_map} = $exit->map->path;	1980	$rmp->{origin_map} = $exit->map->path;
1812	$rmp->{origin_x} = $exit->x;	1981	$rmp->{origin_x} = $exit->x;
1813	$rmp->{origin_y} = $exit->y;	1982	$rmp->{origin_y} = $exit->y;
1814	}	1983	}
1815		1984
1816	$rmp->{random_seed} ||= $exit->random_seed;	1985	$rmp->{random_seed} ||= $exit->random_seed;
1817		1986
1818	my $data = cf::to_json $rmp;	1987	my $data = cf::to_json $rmp;
1819	my $md5 = Digest::MD5::md5_hex $data;	1988	my $md5 = Digest::MD5::md5_hex $data;
		1989	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1820		1990
1821	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1991	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1822	aio_write $fh, 0, (length $data), $data, 0;	1992	aio_write $fh, 0, (length $data), $data, 0;
		1993	undef $fh;
		1994	aio_rename "$meta~", $meta;
1823		1995
1824	$exit->slaying ("?random/$md5");	1996	$exit->slaying ("?random/$md5");
1825	$exit->msg (undef);	1997	$exit->msg (undef);
1826	}	1998	}
1827	}	1999	}
1828		2000
1829	sub cf::object::player::enter_exit {	2001	sub cf::object::player::enter_exit {
1830	my ($self, $exit) = @_;	2002	my ($self, $exit) = @_;
1831		2003
1832	return unless $self->type == cf::PLAYER;	2004	return unless $self->type == cf::PLAYER;
		2005
		2006	if ($exit->slaying eq "/!") {
		2007	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2008	# the problem is that $exit might not survive long enough
		2009	# so it needs to be done right now, right here
		2010	cf::sync_job { prepare_random_map $exit };
		2011	}
		2012
		2013	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2014	my $hp = $exit->stats->hp;
		2015	my $sp = $exit->stats->sp;
1833		2016
1834	$self->enter_link;	2017	$self->enter_link;
1835		2018
1836	(async {	2019	(async {
1837	$self->deactivate_recursive; # just to be sure	2020	$self->deactivate_recursive; # just to be sure
1838	unless (eval {	2021	unless (eval {
1839	prepare_random_map $exit	2022	$self->goto ($slaying, $hp, $sp);
1840	if $exit->slaying eq "/!";
1841
1842	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1843	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1844		2023
1845	1;	2024	1;
1846	}) {	2025	}) {
1847	$self->message ("Something went wrong deep within the crossfire server. "	2026	$self->message ("Something went wrong deep within the crossfire server. "
1848	. "I'll try to bring you back to the map you were before. "	2027	. "I'll try to bring you back to the map you were before. "
1849	. "Please report this to the dungeon master",	2028	. "Please report this to the dungeon master!",
1850	cf::NDI_UNIQUE | cf::NDI_RED);	2029	cf::NDI_UNIQUE | cf::NDI_RED);
1851		2030
1852	warn "ERROR in enter_exit: $@";	2031	warn "ERROR in enter_exit: $@";
1853	$self->leave_link;	2032	$self->leave_link;
1854	}	2033	}
1855	})->prio (1);	2034	})->prio (1);
…		…
1868		2047
1869	sub cf::client::send_drawinfo {	2048	sub cf::client::send_drawinfo {
1870	my ($self, $text, $flags) = @_;	2049	my ($self, $text, $flags) = @_;
1871		2050
1872	utf8::encode $text;	2051	utf8::encode $text;
1873	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2052	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1874	}	2053	}
1875		2054
		2055	=item $client->ext_event ($type, %msg)
		2056
		2057	Sends an exti event to the client.
		2058
		2059	=cut
		2060
		2061	sub cf::client::ext_event($$%) {
		2062	my ($self, $type, %msg) = @_;
		2063
		2064	$msg{msgtype} = "event_$type";
		2065	$self->send_packet ("ext " . cf::to_json \%msg);
		2066	}
1876		2067
1877	=item $success = $client->query ($flags, "text", \&cb)	2068	=item $success = $client->query ($flags, "text", \&cb)
1878		2069
1879	Queues a query to the client, calling the given callback with	2070	Queues a query to the client, calling the given callback with
1880	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2071	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1909	# get handled first	2100	# get handled first
1910	my $queue = delete $ns->{query_queue}	2101	my $queue = delete $ns->{query_queue}
1911	or return; # be conservative, not sure how that can happen, but we saw a crash here	2102	or return; # be conservative, not sure how that can happen, but we saw a crash here
1912		2103
1913	(shift @$queue)->[1]->($msg);	2104	(shift @$queue)->[1]->($msg);
		2105	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1914		2106
1915	push @{ $ns->{query_queue} }, @$queue;	2107	push @{ $ns->{query_queue} }, @$queue;
1916		2108
1917	if (@{ $ns->{query_queue} } == @$queue) {	2109	if (@{ $ns->{query_queue} } == @$queue) {
1918	if (@$queue) {	2110	if (@$queue) {
…		…
1976		2168
1977	# here we export the classes and methods available to script code	2169	# here we export the classes and methods available to script code
1978		2170
1979	=pod	2171	=pod
1980		2172
1981	The following fucntions and emthods are available within a safe environment:	2173	The following functions and methods are available within a safe environment:
1982		2174
1983	cf::object contr pay_amount pay_player map	2175	cf::object contr pay_amount pay_player map
1984	cf::object::player player	2176	cf::object::player player
1985	cf::player peaceful	2177	cf::player peaceful
1986	cf::map trigger	2178	cf::map trigger
…		…
2079	The parameter C<$family> should best start with the name of the extension	2271	The parameter C<$family> should best start with the name of the extension
2080	using it, it should be unique.	2272	using it, it should be unique.
2081		2273
2082	=over 4	2274	=over 4
2083		2275
2084	=item $hashref = cf::db_get $family
2085
2086	Return a hashref for use by the extension C<$family>, which can be
2087	modified. After modifications, you have to call C<cf::db_dirty> or
2088	C<cf::db_sync>.
2089
2090	=item $value = cf::db_get $family => $key	2276	=item $value = cf::db_get $family => $key
2091		2277
2092	Returns a single value from the database	2278	Returns a single value from the database.
2093
2094	=item cf::db_put $family => $hashref
2095
2096	Stores the given family hashref into the database. Updates are delayed, if
2097	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2098		2279
2099	=item cf::db_put $family => $key => $value	2280	=item cf::db_put $family => $key => $value
2100		2281
2101	Stores the given C<$value> in the family hash. Updates are delayed, if you	2282	Stores the given C<$value> in the family.
2102	want the data to be synced to disk immediately, use C<cf::db_sync>.
2103
2104	=item cf::db_dirty
2105
2106	Marks the database as dirty, to be updated at a later time.
2107
2108	=item cf::db_sync
2109
2110	Immediately write the database to disk I<if it is dirty>.
2111		2283
2112	=cut	2284	=cut
2113		2285
2114	our $DB;	2286	our $DB;
2115		2287
2116	{	2288	sub db_init {
		2289	unless ($DB) {
		2290	$DB = BDB::db_create $DB_ENV;
		2291
		2292	cf::sync_job {
		2293	eval {
		2294	$DB->set_flags (BDB::CHKSUM);
		2295
		2296	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2297	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2298	cf::cleanup "db_open(db): $!" if $!;
		2299	};
		2300	cf::cleanup "db_open(db): $@" if $@;
		2301	};
		2302
2117	my $path = cf::localdir . "/database.pst";	2303	my $path = cf::localdir . "/database.pst";
		2304	if (stat $path) {
		2305	cf::sync_job {
		2306	my $pst = Storable::retrieve $path;
2118		2307
2119	sub db_load() {	2308	cf::db_put (board => data => $pst->{board});
2120	$DB = stat $path ? Storable::retrieve $path : { };	2309	cf::db_put (guildrules => data => $pst->{guildrules});
2121	}	2310	cf::db_put (rent => balance => $pst->{rent}{balance});
		2311	BDB::db_env_txn_checkpoint $DB_ENV;
2122		2312
2123	my $pid;	2313	unlink $path;
2124
2125	sub db_save() {
2126	waitpid $pid, 0 if $pid;
2127	if (0 == ($pid = fork)) {
2128	$DB->{_meta}{version} = 1;
2129	Storable::nstore $DB, "$path~";
2130	rename "$path~", $path;
2131	cf::_exit 0 if defined $pid;
2132	}	2314	};
2133	}
2134
2135	my $dirty;
2136
2137	sub db_sync() {
2138	db_save if $dirty;
2139	undef $dirty;
2140	}
2141
2142	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2143	db_sync;
2144	});
2145
2146	sub db_dirty() {
2147	$dirty = 1;
2148	$idle->start;
2149	}
2150
2151	sub db_get($;$) {
2152	@_ >= 2
2153	? $DB->{$_[0]}{$_[1]}
2154	: ($DB->{$_[0]} ||= { })
2155	}
2156
2157	sub db_put($$;$) {
2158	if (@_ >= 3) {
2159	$DB->{$_[0]}{$_[1]} = $_[2];
2160	} else {
2161	$DB->{$_[0]} = $_[1];
2162	}
2163	db_dirty;
2164	}
2165
2166	cf::global->attach (
2167	prio => 10000,
2168	on_cleanup => sub {
2169	db_sync;
2170	},	2315	}
2171	);	2316	}
		2317	}
		2318
		2319	sub db_get($$) {
		2320	my $key = "$_[0]/$_[1]";
		2321
		2322	cf::sync_job {
		2323	BDB::db_get $DB, undef, $key, my $data;
		2324
		2325	$! ? ()
		2326	: Compress::LZF::sthaw $data
		2327	}
		2328	}
		2329
		2330	sub db_put($$$) {
		2331	BDB::dbreq_pri 4;
		2332	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2172	}	2333	}
2173		2334
2174	#############################################################################	2335	#############################################################################
2175	# the server's main()	2336	# the server's init and main functions
		2337
		2338	sub load_facedata {
		2339	my $path = sprintf "%s/facedata", cf::datadir;
		2340
		2341	warn "loading facedata from $path\n";
		2342
		2343	my $facedata;
		2344	0 < aio_load $path, $facedata
		2345	or die "$path: $!";
		2346
		2347	$facedata = Coro::Storable::thaw $facedata;
		2348
		2349	$facedata->{version} == 2
		2350	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2351
		2352	{
		2353	my $faces = $facedata->{faceinfo};
		2354
		2355	while (my ($face, $info) = each %$faces) {
		2356	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2357	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2358	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2359	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2360	Coro::cede;
		2361	}
		2362
		2363	while (my ($face, $info) = each %$faces) {
		2364	next unless $info->{smooth};
		2365	my $idx = cf::face::find $face
		2366	or next;
		2367	if (my $smooth = cf::face::find $info->{smooth}) {
		2368	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2369	} else {
		2370	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2371	}
		2372	Coro::cede;
		2373	}
		2374	}
		2375
		2376	{
		2377	my $anims = $facedata->{animinfo};
		2378
		2379	while (my ($anim, $info) = each %$anims) {
		2380	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2381	Coro::cede;
		2382	}
		2383
		2384	cf::anim::invalidate_all; # d'oh
		2385	}
		2386
		2387	1
		2388	}
		2389
		2390	sub reload_resources {
		2391	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2392	or die "unable to load regions file\n";#d#
		2393	load_facedata
		2394	or die "unable to load facedata\n";#d#
		2395	}
		2396
		2397	sub init {
		2398	reload_resources;
		2399	}
2176		2400
2177	sub cfg_load {	2401	sub cfg_load {
2178	open my $fh, "<:utf8", cf::confdir . "/config"	2402	open my $fh, "<:utf8", cf::confdir . "/config"
2179	or return;	2403	or return;
2180		2404
…		…
2197		2421
2198	sub main {	2422	sub main {
2199	# we must not ever block the main coroutine	2423	# we must not ever block the main coroutine
2200	local $Coro::idle = sub {	2424	local $Coro::idle = sub {
2201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2425	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2426	(async {
2202	async { Event::one_event };	2427	Event::one_event;
		2428	})->prio (Coro::PRIO_MAX);
2203	};	2429	};
2204		2430
2205	cfg_load;	2431	cfg_load;
2206	db_load;	2432	db_init;
2207	load_extensions;	2433	load_extensions;
		2434
		2435	$TICK_WATCHER->start;
2208	Event::loop;	2436	Event::loop;
2209	}	2437	}
2210		2438
2211	#############################################################################	2439	#############################################################################
2212	# initialisation	2440	# initialisation and cleanup
		2441
		2442	# install some emergency cleanup handlers
		2443	BEGIN {
		2444	for my $signal (qw(INT HUP TERM)) {
		2445	Event->signal (
		2446	reentrant => 0,
		2447	data => WF_AUTOCANCEL,
		2448	signal => $signal,
		2449	prio => 0,
		2450	cb => sub {
		2451	cf::cleanup "SIG$signal";
		2452	},
		2453	);
		2454	}
		2455	}
		2456
		2457	sub emergency_save() {
		2458	my $freeze_guard = cf::freeze_mainloop;
		2459
		2460	warn "enter emergency perl save\n";
		2461
		2462	cf::sync_job {
		2463	# use a peculiar iteration method to avoid tripping on perl
		2464	# refcount bugs in for. also avoids problems with players
		2465	# and maps saved/destroyed asynchronously.
		2466	warn "begin emergency player save\n";
		2467	for my $login (keys %cf::PLAYER) {
		2468	my $pl = $cf::PLAYER{$login} or next;
		2469	$pl->valid or next;
		2470	$pl->save;
		2471	}
		2472	warn "end emergency player save\n";
		2473
		2474	warn "begin emergency map save\n";
		2475	for my $path (keys %cf::MAP) {
		2476	my $map = $cf::MAP{$path} or next;
		2477	$map->valid or next;
		2478	$map->save;
		2479	}
		2480	warn "end emergency map save\n";
		2481
		2482	warn "begin emergency database checkpoint\n";
		2483	BDB::db_env_txn_checkpoint $DB_ENV;
		2484	warn "end emergency database checkpoint\n";
		2485	};
		2486
		2487	warn "leave emergency perl save\n";
		2488	}
		2489
		2490	sub post_cleanup {
		2491	my ($make_core) = @_;
		2492
		2493	warn Carp::longmess "post_cleanup backtrace"
		2494	if $make_core;
		2495	}
2213		2496
2214	sub reload() {	2497	sub reload() {
2215	# can/must only be called in main	2498	# can/must only be called in main
2216	if ($Coro::current != $Coro::main) {	2499	if ($Coro::current != $Coro::main) {
2217	warn "can only reload from main coroutine\n";	2500	warn "can only reload from main coroutine";
2218	return;	2501	return;
2219	}	2502	}
2220		2503
2221	warn "reloading...";	2504	warn "reloading...";
2222		2505
2223	my $guard = freeze_mainloop;	2506	warn "entering sync_job";
		2507
		2508	cf::sync_job {
		2509	cf::write_runtime; # external watchdog should not bark
2224	cf::emergency_save;	2510	cf::emergency_save;
		2511	cf::write_runtime; # external watchdog should not bark
2225		2512
2226	eval {	2513	warn "syncing database to disk";
		2514	BDB::db_env_txn_checkpoint $DB_ENV;
		2515
2227	# if anything goes wrong in here, we should simply crash as we already saved	2516	# if anything goes wrong in here, we should simply crash as we already saved
2228		2517
2229	# cancel all watchers	2518	warn "cancelling all WF_AUTOCANCEL watchers";
2230	for (Event::all_watchers) {	2519	for (Event::all_watchers) {
2231	$_->cancel if $_->data & WF_AUTOCANCEL;	2520	$_->cancel if $_->data & WF_AUTOCANCEL;
2232	}	2521	}
2233		2522
		2523	warn "flushing outstanding aio requests";
		2524	for (;;) {
		2525	BDB::flush;
		2526	IO::AIO::flush;
		2527	Coro::cede;
		2528	last unless IO::AIO::nreqs || BDB::nreqs;
		2529	warn "iterate...";
		2530	}
		2531
		2532	++$RELOAD;
		2533
2234	# cancel all extension coros	2534	warn "cancelling all extension coros";
2235	$_->cancel for values %EXT_CORO;	2535	$_->cancel for values %EXT_CORO;
2236	%EXT_CORO = ();	2536	%EXT_CORO = ();
2237		2537
2238	# unload all extensions	2538	warn "removing commands";
2239	for (@exts) {	2539	%COMMAND = ();
		2540
		2541	warn "removing ext commands";
		2542	%EXTCMD = ();
		2543
		2544	warn "unloading/nuking all extensions";
		2545	for my $pkg (@EXTS) {
2240	warn "unloading <$_>";	2546	warn "... unloading $pkg";
2241	unload_extension $_;	2547
		2548	if (my $cb = $pkg->can ("unload")) {
		2549	eval {
		2550	$cb->($pkg);
		2551	1
		2552	} or warn "$pkg unloaded, but with errors: $@";
2242	}	2553	}
2243		2554
		2555	warn "... nuking $pkg";
		2556	Symbol::delete_package $pkg;
		2557	}
		2558
2244	# unload all modules loaded from $LIBDIR	2559	warn "unloading all perl modules loaded from $LIBDIR";
2245	while (my ($k, $v) = each %INC) {	2560	while (my ($k, $v) = each %INC) {
2246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2561	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2247		2562
2248	warn "removing <$k>";	2563	warn "... unloading $k";
2249	delete $INC{$k};	2564	delete $INC{$k};
2250		2565
2251	$k =~ s/\.pm$//;	2566	$k =~ s/\.pm$//;
2252	$k =~ s/\//::/g;	2567	$k =~ s/\//::/g;
2253		2568
…		…
2256	}	2571	}
2257		2572
2258	Symbol::delete_package $k;	2573	Symbol::delete_package $k;
2259	}	2574	}
2260		2575
2261	# sync database to disk
2262	cf::db_sync;
2263	IO::AIO::flush;
2264
2265	# get rid of safe::, as good as possible	2576	warn "getting rid of safe::, as good as possible";
2266	Symbol::delete_package "safe::$_"	2577	Symbol::delete_package "safe::$_"
2267	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2578	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2268		2579
2269	# remove register_script_function callbacks
2270	# TODO
2271
2272	# unload cf.pm "a bit"	2580	warn "unloading cf.pm \"a bit\"";
2273	delete $INC{"cf.pm"};	2581	delete $INC{"cf.pm"};
2274		2582
2275	# don't, removes xs symbols, too,	2583	# don't, removes xs symbols, too,
2276	# and global variables created in xs	2584	# and global variables created in xs
2277	#Symbol::delete_package __PACKAGE__;	2585	#Symbol::delete_package __PACKAGE__;
2278		2586
2279	# reload cf.pm	2587	warn "unload completed, starting to reload now";
		2588
2280	warn "reloading cf.pm";	2589	warn "reloading cf.pm";
2281	require cf;	2590	require cf;
2282	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2591	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2283		2592
2284	# load config and database again	2593	warn "loading config and database again";
2285	cf::cfg_load;	2594	cf::cfg_load;
2286	cf::db_load;
2287		2595
2288	# load extensions
2289	warn "load extensions";	2596	warn "loading extensions";
2290	cf::load_extensions;	2597	cf::load_extensions;
2291		2598
2292	# reattach attachments to objects	2599	warn "reattaching attachments to objects/players";
2293	warn "reattach";	2600	_global_reattach; # objects, sockets
2294	_global_reattach;	2601	warn "reattaching attachments to maps";
2295	reattach $_ for values %MAP;	2602	reattach $_ for values %MAP;
2296	};	2603	warn "reattaching attachments to players";
		2604	reattach $_ for values %PLAYER;
2297		2605
2298	if ($@) {	2606	warn "loading reloadable resources";
		2607	reload_resources;
		2608
		2609	warn "leaving sync_job";
		2610
		2611	1
		2612	} or do {
2299	warn $@;	2613	warn $@;
2300	warn "error while reloading, exiting.";	2614	warn "error while reloading, exiting.";
2301	exit 1;	2615	exit 1;
2302	}	2616	};
2303		2617
2304	warn "reloaded successfully";	2618	warn "reloaded";
2305	};	2619	};
2306		2620
2307	#############################################################################	2621	our $RELOAD_WATCHER; # used only during reload
2308
2309	unless ($LINK_MAP) {
2310	$LINK_MAP = cf::map::new;
2311
2312	$LINK_MAP->width (41);
2313	$LINK_MAP->height (41);
2314	$LINK_MAP->alloc;
2315	$LINK_MAP->path ("{link}");
2316	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2317	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2318
2319	# dirty hack because... archetypes are not yet loaded
2320	Event->timer (
2321	after => 10,
2322	cb => sub {
2323	$_[0]->w->cancel;
2324
2325	# provide some exits "home"
2326	my $exit = cf::object::new "exit";
2327
2328	$exit->slaying ($EMERGENCY_POSITION->[0]);
2329	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2330	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2331
2332	$LINK_MAP->insert ($exit->clone, 19, 19);
2333	$LINK_MAP->insert ($exit->clone, 19, 20);
2334	$LINK_MAP->insert ($exit->clone, 19, 21);
2335	$LINK_MAP->insert ($exit->clone, 20, 19);
2336	$LINK_MAP->insert ($exit->clone, 20, 21);
2337	$LINK_MAP->insert ($exit->clone, 21, 19);
2338	$LINK_MAP->insert ($exit->clone, 21, 20);
2339	$LINK_MAP->insert ($exit->clone, 21, 21);
2340
2341	$exit->destroy;
2342	});
2343
2344	$LINK_MAP->{deny_save} = 1;
2345	$LINK_MAP->{deny_reset} = 1;
2346
2347	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2348	}
2349
2350	register "<global>", __PACKAGE__;
2351		2622
2352	register_command "reload" => sub {	2623	register_command "reload" => sub {
2353	my ($who, $arg) = @_;	2624	my ($who, $arg) = @_;
2354		2625
2355	if ($who->flag (FLAG_WIZ)) {	2626	if ($who->flag (FLAG_WIZ)) {
2356	$who->message ("start of reload.");	2627	$who->message ("reloading server.");
		2628
		2629	# doing reload synchronously and two reloads happen back-to-back,
		2630	# coro crashes during coro_state_free->destroy here.
		2631
		2632	$RELOAD_WATCHER ||= Event->timer (
		2633	reentrant => 0,
		2634	after => 0,
		2635	data => WF_AUTOCANCEL,
		2636	cb => sub {
2357	reload;	2637	reload;
2358	$who->message ("end of reload.");	2638	undef $RELOAD_WATCHER;
		2639	},
		2640	);
2359	}	2641	}
2360	};	2642	};
2361		2643
2362	unshift @INC, $LIBDIR;	2644	unshift @INC, $LIBDIR;
		2645
		2646	my $bug_warning = 0;
2363		2647
2364	$TICK_WATCHER = Event->timer (	2648	$TICK_WATCHER = Event->timer (
2365	reentrant => 0,	2649	reentrant => 0,
		2650	parked => 1,
2366	prio => 0,	2651	prio => 0,
2367	at => $NEXT_TICK || $TICK,	2652	at => $NEXT_TICK || $TICK,
2368	data => WF_AUTOCANCEL,	2653	data => WF_AUTOCANCEL,
2369	cb => sub {	2654	cb => sub {
		2655	if ($Coro::current != $Coro::main) {
		2656	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2657	unless ++$bug_warning > 10;
		2658	return;
		2659	}
		2660
		2661	$NOW = Event::time;
		2662
2370	cf::server_tick; # one server iteration	2663	cf::server_tick; # one server iteration
2371	$RUNTIME += $TICK;	2664	$RUNTIME += $TICK;
2372	$NEXT_TICK += $TICK;	2665	$NEXT_TICK += $TICK;
		2666
		2667	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2668	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2669	Coro::async_pool {
		2670	write_runtime
		2671	or warn "ERROR: unable to write runtime file: $!";
		2672	};
		2673	}
		2674
		2675	$WAIT_FOR_TICK->broadcast;
		2676	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2677
		2678	# my $AFTER = Event::time;
		2679	# warn $AFTER - $NOW;#d#
2373		2680
2374	# if we are delayed by four ticks or more, skip them all	2681	# if we are delayed by four ticks or more, skip them all
2375	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2682	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2376		2683
2377	$TICK_WATCHER->at ($NEXT_TICK);	2684	$TICK_WATCHER->at ($NEXT_TICK);
2378	$TICK_WATCHER->start;	2685	$TICK_WATCHER->start;
2379	},	2686	},
2380	);	2687	);
2381		2688
		2689	{
2382	IO::AIO::max_poll_time $TICK * 0.2;	2690	BDB::max_poll_time $TICK * 0.1;
2383		2691	$BDB_POLL_WATCHER = Event->io (
2384	Event->io (	2692	reentrant => 0,
2385	fd => IO::AIO::poll_fileno,	2693	fd => BDB::poll_fileno,
2386	poll => 'r',	2694	poll => 'r',
2387	prio => 5,	2695	prio => 0,
2388	data => WF_AUTOCANCEL,
2389	cb => \&IO::AIO::poll_cb,
2390	);
2391
2392	Event->timer (
2393	data => WF_AUTOCANCEL,	2696	data => WF_AUTOCANCEL,
2394	after => 0,	2697	cb => \&BDB::poll_cb,
2395	interval => 10,	2698	);
2396	cb => sub {	2699	BDB::min_parallel 8;
2397	(Coro::unblock_sub {	2700
2398	write_runtime	2701	BDB::set_sync_prepare {
2399	or warn "ERROR: unable to write runtime file: $!";	2702	my $status;
		2703	my $current = $Coro::current;
		2704	(
		2705	sub {
		2706	$status = $!;
		2707	$current->ready; undef $current;
		2708	},
		2709	sub {
		2710	Coro::schedule while defined $current;
		2711	$! = $status;
		2712	},
		2713	)
		2714	};
		2715
		2716	unless ($DB_ENV) {
		2717	$DB_ENV = BDB::db_env_create;
		2718
		2719	cf::sync_job {
		2720	eval {
		2721	BDB::db_env_open
		2722	$DB_ENV,
		2723	$BDB_ENV_DIR,
		2724	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2725	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2726	0666;
		2727
		2728	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2729
		2730	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2731	$DB_ENV->set_lk_detect;
		2732	};
		2733
		2734	cf::cleanup "db_env_open(db): $@" if $@;
2400	})->();	2735	};
2401	},	2736	}
2402	);	2737	}
		2738
		2739	{
		2740	IO::AIO::min_parallel 8;
		2741
		2742	undef $Coro::AIO::WATCHER;
		2743	IO::AIO::max_poll_time $TICK * 0.1;
		2744	$AIO_POLL_WATCHER = Event->io (
		2745	reentrant => 0,
		2746	data => WF_AUTOCANCEL,
		2747	fd => IO::AIO::poll_fileno,
		2748	poll => 'r',
		2749	prio => 6,
		2750	cb => \&IO::AIO::poll_cb,
		2751	);
		2752	}
2403		2753
2404	END { cf::emergency_save }	2754	END { cf::emergency_save }
2405		2755
2406	1	2756	1
2407		2757

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