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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.147 by root, Mon Jan 8 12:23:33 2007 UTC vs.
Revision 1.237 by root, Fri Apr 13 05:08:51 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Storable;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
12		13
13	use Coro 3.3 ();	14	use Coro 3.52 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
		21	use Coro::Storable;
19		22
		23	use BDB ();
		24	use Data::Dumper;
20	use Digest::MD5;	25	use Digest::MD5;
21	use Fcntl;	26	use Fcntl;
		27	use YAML::Syck ();
22	use IO::AIO 2.32 ();	28	use IO::AIO 2.32 ();
23	use YAML::Syck ();
24	use Time::HiRes;	29	use Time::HiRes;
		30	use Compress::LZF;
25		31
		32	# configure various modules to our taste
		33	#
		34	$Storable::canonical = 1; # reduce rsync transfers
		35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		37
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	38	$Event::Eval = 1; # no idea why this is required, but it is
27		39
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	41	$YAML::Syck::ImplicitUnicode = 1;
30		42
31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		44
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		46
35	our %COMMAND = ();	47	our %COMMAND = ();
36	our %COMMAND_TIME = ();	48	our %COMMAND_TIME = ();
		49
		50	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	51	our %EXTCMD = ();
		52	our %EXT_CORO = (); # coroutines bound to extensions
		53	our %EXT_MAP = (); # pluggable maps
38		54
		55	our $RELOAD; # number of reloads so far
39	our @EVENT;	56	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	57	our $LIBDIR = datadir . "/ext";
41		58
42	our $TICK = MAX_TIME * 1e-6;	59	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	60	our $TICK_WATCHER;
		61	our $AIO_POLL_WATCHER;
		62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	63	our $NEXT_TICK;
45	our $NOW;	64	our $NOW;
		65	our $USE_FSYNC = 1; # use fsync to write maps - default off
		66
		67	our $BDB_POLL_WATCHER;
		68	our $DB_ENV;
46		69
47	our %CFG;	70	our %CFG;
48		71
49	our $UPTIME; $UPTIME ||= time;	72	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	73	our $RUNTIME;
51		74
52	our %PLAYER; # all users	75	our %PLAYER; # all users
53	our %MAP; # all maps	76	our %MAP; # all maps
54	our $LINK_MAP; # the special {link} map	77	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	78	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO; # coroutines bound to extensions	79	our $BDB_ENV_DIR = cf::localdir . "/db";
		80
		81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		83
		84	# used to convert map paths into valid unix filenames by replacing / by ∕
		85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		86
58	binmode STDOUT;	87	binmode STDOUT;
59	binmode STDERR;	88	binmode STDERR;
60		89
61	# read virtual server time, if available	90	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	97	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	98	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	99	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	100	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	101	mkdir $RANDOM_MAPS;
		102	mkdir $BDB_ENV_DIR;
73		103
74	# a special map that is always available
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	104	our $EMERGENCY_POSITION;
		105
		106	sub cf::map::normalise;
77		107
78	#############################################################################	108	#############################################################################
79		109
80	=head2 GLOBAL VARIABLES	110	=head2 GLOBAL VARIABLES
81		111
…		…
105		135
106	=item %cf::CFG	136	=item %cf::CFG
107		137
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	138	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	from wherever your confdir points to.	139	from wherever your confdir points to.
		140
		141	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		142
		143	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		144	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		145	processing has been done. Call C<< ->wait >> on them to maximise the
		146	window of cpu time available, or simply to synchronise to the server tick.
110		147
111	=back	148	=back
112		149
113	=cut	150	=cut
114		151
…		…
146		183
147	$Event::DIED = sub {	184	$Event::DIED = sub {
148	warn "error in event callback: @_";	185	warn "error in event callback: @_";
149	};	186	};
150		187
151	my %ext_pkg;
152	my @exts;
153	my @hook;
154
155	=head2 UTILITY FUNCTIONS	188	=head2 UTILITY FUNCTIONS
156		189
157	=over 4	190	=over 4
158		191
159	=cut	192	=item dumpval $ref
160		193
		194	=cut
		195
		196	sub dumpval {
		197	eval {
		198	local $SIG{__DIE__};
		199	my $d;
		200	if (1) {
		201	$d = new Data::Dumper([$_[0]], ["*var"]);
		202	$d->Terse(1);
		203	$d->Indent(2);
		204	$d->Quotekeys(0);
		205	$d->Useqq(1);
		206	#$d->Bless(...);
		207	$d->Seen($_[1]) if @_ > 1;
		208	$d = $d->Dump();
		209	}
		210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		211	$d
		212	} || "[unable to dump $_[0]: '$@']";
		213	}
		214
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
162		216
163	=item $ref = cf::from_json $json	217	=item $ref = cf::from_json $json
164		218
165	Converts a JSON string into the corresponding perl data structure.	219	Converts a JSON string into the corresponding perl data structure.
166		220
167	=cut
168
169	sub from_json($) {
170	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171	JSON::Syck::Load $_[0]
172	}
173
174	=item $json = cf::to_json $ref	221	=item $json = cf::to_json $ref
175		222
176	Converts a perl data structure into its JSON representation.	223	Converts a perl data structure into its JSON representation.
177
178	=cut
179
180	sub to_json($) {
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
182	JSON::Syck::Dump $_[0]
183	}
184		224
185	=item cf::lock_wait $string	225	=item cf::lock_wait $string
186		226
187	Wait until the given lock is available. See cf::lock_acquire.	227	Wait until the given lock is available. See cf::lock_acquire.
188		228
…		…
225	}	265	}
226		266
227	sub freeze_mainloop {	267	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	268	return unless $TICK_WATCHER->is_active;
229		269
230	my $guard = Coro::guard { $TICK_WATCHER->start };	270	my $guard = Coro::guard {
		271	$TICK_WATCHER->start;
		272	};
231	$TICK_WATCHER->stop;	273	$TICK_WATCHER->stop;
232	$guard	274	$guard
233	}	275	}
234		276
235	=item cf::async { BLOCK }	277	=item cf::async { BLOCK }
…		…
287	}	329	}
288	}	330	}
289		331
290	=item $coro = cf::async_ext { BLOCK }	332	=item $coro = cf::async_ext { BLOCK }
291		333
292	Like async, but this coro is automcatially being canceled when the	334	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	335	extension calling this is being unloaded.
294		336
295	=cut	337	=cut
296		338
297	sub async_ext(&) {	339	sub async_ext(&) {
…		…
306		348
307	$coro	349	$coro
308	}	350	}
309		351
310	sub write_runtime {	352	sub write_runtime {
		353	my $guard = cf::lock_acquire "write_runtime";
		354
311	my $runtime = cf::localdir . "/runtime";	355	my $runtime = cf::localdir . "/runtime";
312		356
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
314	or return;	358	or return;
315		359
		360	my $value = $cf::RUNTIME + 90 + 10;
316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	361	# 10 is the runtime save interval, for a monotonic clock
		362	# 60 allows for the watchdog to kill the server.
		363
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0	364	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;	365	and return;
319		366
		367	# always fsync - this file is important
320	aio_fsync $fh	368	aio_fsync $fh
321	and return;	369	and return;
322		370
323	close $fh	371	close $fh
324	or return;	372	or return;
…		…
327	and return;	375	and return;
328		376
329	1	377	1
330	}	378	}
331		379
		380	=item cf::datalog type => key => value, ...
		381
		382	Log a datalog packet of the given type with the given key-value pairs.
		383
		384	=cut
		385
		386	sub datalog($@) {
		387	my ($type, %kv) = @_;
		388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		389	}
		390
332	=back	391	=back
333		392
334	=cut	393	=cut
335
336	#############################################################################
337
338	package cf::path;
339
340	sub new {
341	my ($class, $path, $base) = @_;
342
343	$path = $path->as_string if ref $path;
344
345	my $self = bless { }, $class;
346
347	# {... are special paths that are not touched
348	# ?xxx/... are special absolute paths
349	# ?random/... random maps
350	# /! non-realised random map exit
351	# /... normal maps
352	# ~/... per-player maps without a specific player (DO NOT USE)
353	# ~user/... per-player map of a specific user
354
355	if ($path =~ /^{/) {
356	# fine as it is
357	} elsif ($path =~ s{^\?random/}{}) {
358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359	$self->{random} = cf::from_json $data;
360	} else {
361	if ($path =~ s{^~([^/]+)?}{}) {
362	$self->{user_rel} = 1;
363
364	if (defined $1) {
365	$self->{user} = $1;
366	} elsif ($base =~ m{^~([^/]+)/}) {
367	$self->{user} = $1;
368	} else {
369	warn "cannot resolve user-relative path without user <$path,$base>\n";
370	}
371	} elsif ($path =~ /^\//) {
372	# already absolute
373	} else {
374	$base =~ s{[^/]+/?$}{};
375	return $class->new ("$base/$path");
376	}
377
378	for ($path) {
379	redo if s{/\.?/}{/};
380	redo if s{/[^/]+/\.\./}{/};
381	}
382	}
383
384	$self->{path} = $path;
385
386	$self
387	}
388
389	# the name / primary key / in-game path
390	sub as_string {
391	my ($self) = @_;
392
393	$self->{user_rel} ? "~$self->{user}$self->{path}"
394	: $self->{random} ? "?random/$self->{path}"
395	: $self->{path}
396	}
397
398	# the displayed name, this is a one way mapping
399	sub visible_name {
400	my ($self) = @_;
401
402	# if (my $rmp = $self->{random}) {
403	# # todo: be more intelligent about this
404	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405	# } else {
406	$self->as_string
407	# }
408	}
409
410	# escape the /'s in the path
411	sub _escaped_path {
412	# ∕ is U+2215
413	(my $path = $_[0]{path}) =~ s/\//∕/g;
414	$path
415	}
416
417	# the original (read-only) location
418	sub load_path {
419	my ($self) = @_;
420
421	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
422	}
423
424	# the temporary/swap location
425	sub save_path {
426	my ($self) = @_;
427
428	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431	}
432
433	# the unique path, might be eq to save_path
434	sub uniq_path {
435	my ($self) = @_;
436
437	$self->{user_rel} || $self->{random}
438	? undef
439	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440	}
441
442	# return random map parameters, or undef
443	sub random_map_params {
444	my ($self) = @_;
445
446	$self->{random}
447	}
448
449	# this is somewhat ugly, but style maps do need special treatment
450	sub is_style_map {
451	$_[0]{path} =~ m{^/styles/}
452	}
453
454	package cf;
455		394
456	#############################################################################	395	#############################################################################
457		396
458	=head2 ATTACHABLE OBJECTS	397	=head2 ATTACHABLE OBJECTS
459		398
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	524	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	525	our @CB_MAP = ();
587		526
588	my %attachment;	527	my %attachment;
589		528
		529	sub cf::attachable::thawer_merge {
		530	# simply override everything except _meta
		531	local $_[0]{_meta};
		532	%{$_[0]} = %{$_[1]};
		533	}
		534
590	sub _attach_cb($$$$) {	535	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	536	my ($registry, $event, $prio, $cb) = @_;
592		537
593	use sort 'stable';	538	use sort 'stable';
594		539
…		…
765	# object support	710	# object support
766		711
767	sub reattach {	712	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	713	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	714	my ($obj) = @_;
		715
		716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		717
771	my $registry = $obj->registry;	718	my $registry = $obj->registry;
772		719
773	@$registry = ();	720	@$registry = ();
774		721
…		…
821	$filename, length $$rdata, scalar @$objs;	768	$filename, length $$rdata, scalar @$objs;
822		769
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
826	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	774	close $fh;
828		775
829	if (@$objs) {	776	if (@$objs) {
830	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
831	chmod SAVE_MODE, $fh;	778	chmod SAVE_MODE, $fh;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	779	my $data = Storable::nfreeze { version => 1, objs => $objs };
833	aio_write $fh, 0, (length $data), $data, 0;	780	aio_write $fh, 0, (length $data), $data, 0;
834	aio_fsync $fh;	781	aio_fsync $fh if $cf::USE_FSYNC;
835	close $fh;	782	close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	783	aio_rename "$filename.pst~", "$filename.pst";
837	}	784	}
838	} else {	785	} else {
839	aio_unlink "$filename.pst";	786	aio_unlink "$filename.pst";
…		…
906	=cut	853	=cut
907		854
908	sub register_extcmd {	855	sub register_extcmd {
909	my ($name, $cb) = @_;	856	my ($name, $cb) = @_;
910		857
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	858	$EXTCMD{$name} = $cb;
915	}	859	}
916		860
917	cf::player->attach (	861	cf::player->attach (
918	on_command => sub {	862	on_command => sub {
919	my ($pl, $name, $params) = @_;	863	my ($pl, $name, $params) = @_;
…		…
932		876
933	my $msg = eval { from_json $buf };	877	my $msg = eval { from_json $buf };
934		878
935	if (ref $msg) {	879	if (ref $msg) {
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	881	if (my %reply = $cb->($pl, $msg)) {
938	$pl->ext_reply ($msg->{msgid}, %reply);	882	$pl->ext_reply ($msg->{msgid}, %reply);
939	}	883	}
940	}	884	}
941	} else {	885	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
944		888
945	cf::override;	889	cf::override;
946	},	890	},
947	);	891	);
948		892
949	sub register {
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {	893	sub load_extension {
956	my ($path) = @_;	894	my ($path) = @_;
957		895
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
959	my $base = $1;	897	my $base = $1;
960	my $pkg = $1;	898	my $pkg = $1;
961	$pkg =~ s/[^[:word:]]/_/g;	899	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";	900	$pkg = "ext::$pkg";
963		901
964	warn "loading '$path' into '$pkg'\n";	902	warn "... loading '$path' into '$pkg'\n";
965		903
966	open my $fh, "<:utf8", $path	904	open my $fh, "<:utf8", $path
967	or die "$path: $!";	905	or die "$path: $!";
968		906
969	my $source =	907	my $source =
970	"package $pkg; use strict; use utf8;\n"	908	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"	909	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })	910	. (do { local $/; <$fh> })
973	. "\n};\n1";	911	. "\n};\n1";
974		912
975	eval $source	913	unless (eval $source) {
976	or die $@ ? "$path: $@\n"	914	my $msg = $@ ? "$path: $@\n"
977	: "extension disabled.\n";	915	: "extension disabled.\n";
978		916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
979	push @exts, $pkg;	917	warn $@;
980	$ext_pkg{$base} = $pkg;	918	warn "mandatory extension failed to load, exiting.\n";
981		919	exit 1;
982	# no strict 'refs';	920	}
983	# @{"$pkg\::ISA"} = ext::;	921	die $@;
984
985	register $base, $pkg;
986	}
987
988	sub unload_extension {
989	my ($pkg) = @_;
990
991	warn "removing extension $pkg\n";
992
993	# remove hooks
994	#TODO
995	# for my $idx (0 .. $#PLUGIN_EVENT) {
996	# delete $hook[$idx]{$pkg};
997	# }	922	}
998		923
999	# remove commands	924	push @EXTS, $pkg;
1000	for my $name (keys %COMMAND) {
1001	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003	if (@cb) {
1004	$COMMAND{$name} = \@cb;
1005	} else {
1006	delete $COMMAND{$name};
1007	}
1008	}
1009
1010	# remove extcmds
1011	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012	delete $EXTCMD{$name};
1013	}
1014
1015	if (my $cb = $pkg->can ("unload")) {
1016	eval {
1017	$cb->($pkg);
1018	1
1019	} or warn "$pkg unloaded, but with errors: $@";
1020	}
1021
1022	Symbol::delete_package $pkg;
1023	}	925	}
1024		926
1025	sub load_extensions {	927	sub load_extensions {
1026	for my $ext (<$LIBDIR/*.ext>) {	928	for my $ext (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	929	next unless -r $ext;
…		…
1031	} or warn "$ext not loaded: $@";	933	} or warn "$ext not loaded: $@";
1032	}	934	}
1033	}	935	}
1034		936
1035	#############################################################################	937	#############################################################################
1036	# load/save/clean perl data associated with a map
1037
1038	*cf::mapsupport::on_clean = sub {
1039	my ($map) = @_;
1040
1041	my $path = $map->tmpname;
1042	defined $path or return;
1043
1044	unlink "$path.pst";
1045	};
1046
1047	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049	#############################################################################
1050	# load/save perl data associated with player->ob objects
1051
1052	sub all_objects(@) {
1053	@_, map all_objects ($_->inv), @_
1054	}
1055
1056	# TODO: compatibility cruft, remove when no longer needed
1057	cf::player->attach (
1058	on_load => sub {
1059	my ($pl, $path) = @_;
1060
1061	for my $o (all_objects $pl->ob) {
1062	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063	$o->set_ob_key_value ("_perl_data");
1064
1065	%$o = %{ Storable::thaw pack "H*", $value };
1066	}
1067	}
1068	},
1069	);
1070
1071	#############################################################################
1072		938
1073	=head2 CORE EXTENSIONS	939	=head2 CORE EXTENSIONS
1074		940
1075	Functions and methods that extend core crossfire objects.	941	Functions and methods that extend core crossfire objects.
1076		942
1077	=cut	943	=cut
1078		944
1079	package cf::player;	945	package cf::player;
		946
		947	use Coro::AIO;
1080		948
1081	=head3 cf::player	949	=head3 cf::player
1082		950
1083	=over 4	951	=over 4
1084		952
…		…
1097	}	965	}
1098		966
1099	sub path($) {	967	sub path($) {
1100	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1101		969
1102	(playerdir $login) . "/$login.pl"	970	(playerdir $login) . "/playerdata"
1103	}	971	}
1104		972
1105	sub find_active($) {	973	sub find_active($) {
1106	$cf::PLAYER{$_[0]}	974	$cf::PLAYER{$_[0]}
1107	and $cf::PLAYER{$_[0]}->active	975	and $cf::PLAYER{$_[0]}->active
…		…
1110		978
1111	sub exists($) {	979	sub exists($) {
1112	my ($login) = @_;	980	my ($login) = @_;
1113		981
1114	$cf::PLAYER{$login}	982	$cf::PLAYER{$login}
1115	or cf::sync_job { !aio_stat $login }	983	or cf::sync_job { !aio_stat path $login }
1116	}	984	}
1117		985
1118	sub find($) {	986	sub find($) {
1119	return $cf::PLAYER{$_[0]} || do {	987	return $cf::PLAYER{$_[0]} || do {
1120	my $login = $_[0];	988	my $login = $_[0];
1121		989
1122	my $guard = cf::lock_acquire "user_find:$login";	990	my $guard = cf::lock_acquire "user_find:$login";
1123		991
1124	$cf::PLAYER{$login} ||= (load_pl path $login or return);	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
		1000	my $pl = load_pl path $login
		1001	or return;
		1002	$cf::PLAYER{$login} = $pl
		1003	}
1125	};	1004	}
1126	}	1005	}
1127		1006
1128	sub save($) {	1007	sub save($) {
1129	my ($pl) = @_;	1008	my ($pl) = @_;
1130		1009
…		…
1133	my $path = path $pl;	1012	my $path = path $pl;
1134	my $guard = cf::lock_acquire "user_save:$path";	1013	my $guard = cf::lock_acquire "user_save:$path";
1135		1014
1136	return if $pl->{deny_save};	1015	return if $pl->{deny_save};
1137		1016
1138	IO::AIO::aio_mkdir playerdir $pl, 0770;	1017	aio_mkdir playerdir $pl, 0770;
1139	$pl->{last_save} = $cf::RUNTIME;	1018	$pl->{last_save} = $cf::RUNTIME;
1140		1019
1141	Coro::cede;
1142	$pl->save_pl ($path);	1020	$pl->save_pl ($path);
1143	Coro::cede;	1021	Coro::cede;
1144	}	1022	}
1145		1023
1146	sub new($) {	1024	sub new($) {
…		…
1154	$cf::PLAYER{$login} = $self;	1032	$cf::PLAYER{$login} = $self;
1155		1033
1156	$self	1034	$self
1157	}	1035	}
1158		1036
		1037	=item $pl->quit_character
		1038
		1039	Nukes the player without looking back. If logged in, the connection will
		1040	be destroyed. May block for a long time.
		1041
		1042	=cut
		1043
1159	sub quit_character {	1044	sub quit_character {
1160	my ($pl) = @_;	1045	my ($pl) = @_;
		1046
		1047	my $name = $pl->ob->name;
1161		1048
1162	$pl->{deny_save} = 1;	1049	$pl->{deny_save} = 1;
1163	$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
1164		1051
1165	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1167	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1168	$pl->ns->destroy if $pl->ns;	1055	$pl->ns->destroy if $pl->ns;
1169		1056
1170	my $path = playerdir $pl;	1057	my $path = playerdir $pl;
1171	my $temp = "$path~$cf::RUNTIME~deleting~";	1058	my $temp = "$path~$cf::RUNTIME~deleting~";
1172	IO::AIO::aio_rename $path, $temp, sub {	1059	aio_rename $path, $temp;
1173	delete $cf::PLAYER{$pl->ob->name};	1060	delete $cf::PLAYER{$pl->ob->name};
1174	$pl->destroy;	1061	$pl->destroy;
1175		1062
		1063	my $prefix = qr<^~\Q$name\E/>;
		1064
		1065	# nuke player maps
		1066	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1067
1176	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;
		1083	}
		1084
		1085	=item cf::player::list_logins
		1086
		1087	Returns am arrayref of all valid playernames in the system, can take a
		1088	while and may block, so not sync_job-capable, ever.
		1089
		1090	=cut
		1091
		1092	sub list_logins {
		1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1094	or return [];
		1095
		1096	my @logins;
		1097
		1098	for my $login (@$dirs) {
		1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1100	aio_read $fh, 0, 512, my $buf, 0 or next;
		1101	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1102
		1103	utf8::decode $login;
		1104	push @logins, $login;
1177	};	1105	}
1178	}
1179		1106
		1107	\@logins
		1108	}
		1109
		1110	=item $player->maps
		1111
		1112	Returns an arrayref of map paths that are private for this
		1113	player. May block.
		1114
		1115	=cut
		1116
		1117	sub maps($) {
		1118	my ($pl) = @_;
		1119
		1120	$pl = ref $pl ? $pl->ob->name : $pl;
		1121
		1122	my $files = aio_readdir playerdir $pl
		1123	or return;
		1124
		1125	my @paths;
		1126
		1127	for (@$files) {
		1128	utf8::decode $_;
		1129	next if /\.(?:pl|pst)$/;
		1130	next unless /^$PATH_SEP/o;
		1131
		1132	push @paths, cf::map::normalise "~$pl/$_";
		1133	}
		1134
		1135	\@paths
		1136	}
		1137
1180	=item $player->ext_reply ($msgid, $msgtype, %msg)	1138	=item $player->ext_reply ($msgid, %msg)
1181		1139
1182	Sends an ext reply to the player.	1140	Sends an ext reply to the player.
1183		1141
1184	=cut	1142	=cut
1185		1143
1186	sub ext_reply($$$%) {	1144	sub ext_reply($$%) {
1187	my ($self, $id, %msg) = @_;	1145	my ($self, $id, %msg) = @_;
1188		1146
1189	$msg{msgid} = $id;	1147	$msg{msgid} = $id;
1190		1148
1191	$self->send ("ext " . cf::to_json \%msg);	1149	$self->send ("ext " . cf::to_json \%msg);
		1150	}
		1151
		1152	=item $player->ext_event ($type, %msg)
		1153
		1154	Sends an ext event to the client.
		1155
		1156	=cut
		1157
		1158	sub ext_event($$%) {
		1159	my ($self, $type, %msg) = @_;
		1160
		1161	$self->ns->ext_event ($type, %msg);
1192	}	1162	}
1193		1163
1194	package cf;	1164	package cf;
1195		1165
1196	=back	1166	=back
…		…
1205	package cf::map;	1175	package cf::map;
1206		1176
1207	use Fcntl;	1177	use Fcntl;
1208	use Coro::AIO;	1178	use Coro::AIO;
1209		1179
		1180	use overload
		1181	'""' => \&as_string,
		1182	fallback => 1;
		1183
1210	our $MAX_RESET = 3600;	1184	our $MAX_RESET = 3600;
1211	our $DEFAULT_RESET = 3000;	1185	our $DEFAULT_RESET = 3000;
1212		1186
1213	sub generate_random_map {	1187	sub generate_random_map {
1214	my ($path, $rmp) = @_;	1188	my ($self, $rmp) = @_;
1215
1216	# mit "rum" bekleckern, nicht	1189	# mit "rum" bekleckern, nicht
1217	cf::map::_create_random_map	1190	$self->_create_random_map (
1218	$path,
1219	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1191	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1220	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1192	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1221	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1193	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1222	$rmp->{exit_on_final_map},	1194	$rmp->{exit_on_final_map},
1223	$rmp->{xsize}, $rmp->{ysize},	1195	$rmp->{xsize}, $rmp->{ysize},
1224	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1196	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1225	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1197	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1226	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1198	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1227	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1199	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1228	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1200	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1229	(cf::region::find $rmp->{region})	1201	(cf::region::find $rmp->{region}), $rmp->{custom}
		1202	)
		1203	}
		1204
		1205	=item cf::map->register ($regex, $prio)
		1206
		1207	Register a handler for the map path matching the given regex at the
		1208	givne priority (higher is better, built-in handlers have priority 0, the
		1209	default).
		1210
		1211	=cut
		1212
		1213	sub register {
		1214	my (undef, $regex, $prio) = @_;
		1215	my $pkg = caller;
		1216
		1217	no strict;
		1218	push @{"$pkg\::ISA"}, __PACKAGE__;
		1219
		1220	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1221	}
		1222
		1223	# also paths starting with '/'
		1224	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1225
		1226	sub thawer_merge {
		1227	my ($self, $merge) = @_;
		1228
		1229	# we have to keep some variables in memory intact
		1230	local $self->{path};
		1231	local $self->{load_path};
		1232	local $self->{deny_save};
		1233	local $self->{deny_reset};
		1234
		1235	$self->SUPER::thawer_merge ($merge);
		1236	}
		1237
		1238	sub normalise {
		1239	my ($path, $base) = @_;
		1240
		1241	$path = "$path"; # make sure its a string
		1242
		1243	$path =~ s/\.map$//;
		1244
		1245	# map plan:
		1246	#
		1247	# /! non-realised random map exit (special hack!)
		1248	# {... are special paths that are not being touched
		1249	# ?xxx/... are special absolute paths
		1250	# ?random/... random maps
		1251	# /... normal maps
		1252	# ~user/... per-player map of a specific user
		1253
		1254	$path =~ s/$PATH_SEP/\//go;
		1255
		1256	# treat it as relative path if it starts with
		1257	# something that looks reasonable
		1258	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1259	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1260
		1261	$base =~ s{[^/]+/?$}{};
		1262	$path = "$base/$path";
		1263	}
		1264
		1265	for ($path) {
		1266	redo if s{//}{/};
		1267	redo if s{/\.?/}{/};
		1268	redo if s{/[^/]+/\.\./}{/};
		1269	}
		1270
		1271	$path
		1272	}
		1273
		1274	sub new_from_path {
		1275	my (undef, $path, $base) = @_;
		1276
		1277	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1278
		1279	$path = normalise $path, $base;
		1280
		1281	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1282	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1283	my $self = bless cf::map::new, $pkg;
		1284	$self->{path} = $path; $self->path ($path);
		1285	$self->init; # pass $1 etc.
		1286	return $self;
		1287	}
		1288	}
		1289
		1290	Carp::carp "unable to resolve path '$path' (base '$base').";
		1291	()
		1292	}
		1293
		1294	sub init {
		1295	my ($self) = @_;
		1296
		1297	$self
		1298	}
		1299
		1300	sub as_string {
		1301	my ($self) = @_;
		1302
		1303	"$self->{path}"
		1304	}
		1305
		1306	# the displayed name, this is a one way mapping
		1307	sub visible_name {
		1308	&as_string
		1309	}
		1310
		1311	# the original (read-only) location
		1312	sub load_path {
		1313	my ($self) = @_;
		1314
		1315	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1316	}
		1317
		1318	# the temporary/swap location
		1319	sub save_path {
		1320	my ($self) = @_;
		1321
		1322	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1323	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1324	}
		1325
		1326	# the unique path, undef == no special unique path
		1327	sub uniq_path {
		1328	my ($self) = @_;
		1329
		1330	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1331	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1230	}	1332	}
1231		1333
1232	# and all this just because we cannot iterate over	1334	# and all this just because we cannot iterate over
1233	# all maps in C++...	1335	# all maps in C++...
1234	sub change_all_map_light {	1336	sub change_all_map_light {
…		…
1236		1338
1237	$_->change_map_light ($change)	1339	$_->change_map_light ($change)
1238	for grep $_->outdoor, values %cf::MAP;	1340	for grep $_->outdoor, values %cf::MAP;
1239	}	1341	}
1240		1342
		1343	sub unlink_save {
		1344	my ($self) = @_;
		1345
		1346	utf8::encode (my $save = $self->save_path);
		1347	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1348	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1349	}
		1350
1241	sub try_load_header($) {	1351	sub load_header_from($) {
1242	my ($path) = @_;	1352	my ($self, $path) = @_;
1243		1353
1244	utf8::encode $path;	1354	utf8::encode $path;
1245	aio_open $path, O_RDONLY, 0	1355	#aio_open $path, O_RDONLY, 0
		1356	# or return;
		1357
		1358	$self->_load_header ($path)
1246	or return;	1359	or return;
1247		1360
1248	my $map = cf::map::new	1361	$self->{load_path} = $path;
		1362
		1363	1
		1364	}
		1365
		1366	sub load_header_orig {
		1367	my ($self) = @_;
		1368
		1369	$self->load_header_from ($self->load_path)
		1370	}
		1371
		1372	sub load_header_temp {
		1373	my ($self) = @_;
		1374
		1375	$self->load_header_from ($self->save_path)
		1376	}
		1377
		1378	sub prepare_temp {
		1379	my ($self) = @_;
		1380
		1381	$self->last_access ((delete $self->{last_access})
		1382	|| $cf::RUNTIME); #d#
		1383	# safety
		1384	$self->{instantiate_time} = $cf::RUNTIME
		1385	if $self->{instantiate_time} > $cf::RUNTIME;
		1386	}
		1387
		1388	sub prepare_orig {
		1389	my ($self) = @_;
		1390
		1391	$self->{load_original} = 1;
		1392	$self->{instantiate_time} = $cf::RUNTIME;
		1393	$self->last_access ($cf::RUNTIME);
		1394	$self->instantiate;
		1395	}
		1396
		1397	sub load_header {
		1398	my ($self) = @_;
		1399
		1400	if ($self->load_header_temp) {
		1401	$self->prepare_temp;
		1402	} else {
		1403	$self->load_header_orig
1249	or return;	1404	or return;
		1405	$self->prepare_orig;
		1406	}
1250		1407
1251	# for better error messages only, will be overwritten	1408	1
1252	$map->path ($path);
1253
1254	$map->load_header ($path)
1255	or return;
1256
1257	$map->{load_path} = $path;
1258
1259	$map
1260	}	1409	}
1261		1410
1262	sub find;	1411	sub find;
1263	sub find {	1412	sub find {
1264	my ($path, $origin) = @_;	1413	my ($path, $origin) = @_;
1265		1414
1266	#warn "find<$path,$origin>\n";#d#
1267
1268	$path = new cf::path $path, $origin && $origin->path;	1415	$path = normalise $path, $origin && $origin->path;
1269	my $key = $path->as_string;
1270		1416
1271	cf::lock_wait "map_find:$key";	1417	cf::lock_wait "map_find:$path";
1272		1418
1273	$cf::MAP{$key} || do {	1419	$cf::MAP{$path} || do {
1274	my $guard = cf::lock_acquire "map_find:$key";	1420	my $guard = cf::lock_acquire "map_find:$path";
1275		1421	my $map = new_from_path cf::map $path
1276	# do it the slow way
1277	my $map = try_load_header $path->save_path;
1278
1279	Coro::cede;
1280
1281	if ($map) {
1282	$map->last_access ((delete $map->{last_access})
1283	|| $cf::RUNTIME); #d#
1284	# safety
1285	$map->{instantiate_time} = $cf::RUNTIME
1286	if $map->{instantiate_time} > $cf::RUNTIME;
1287	} else {
1288	if (my $rmp = $path->random_map_params) {
1289	$map = generate_random_map $key, $rmp;
1290	} else {
1291	$map = try_load_header $path->load_path;
1292	}
1293
1294	$map or return;	1422	or return;
1295		1423
1296	$map->{load_original} = 1;
1297	$map->{instantiate_time} = $cf::RUNTIME;
1298	$map->last_access ($cf::RUNTIME);
1299	$map->instantiate;
1300
1301	# per-player maps become, after loading, normal maps
1302	$map->per_player (0) if $path->{user_rel};
1303	}
1304
1305	$map->path ($key);
1306	$map->{path} = $path;
1307	$map->{last_save} = $cf::RUNTIME;	1424	$map->{last_save} = $cf::RUNTIME;
1308		1425
1309	Coro::cede;	1426	$map->load_header
		1427	or return;
1310		1428
1311	if ($map->should_reset) {	1429	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1430	# doing this can freeze the server in a sync job, obviously
		1431	#$cf::WAIT_FOR_TICK->wait;
1312	$map->reset;	1432	$map->reset;
1313	undef $guard;	1433	undef $guard;
1314	$map = find $path	1434	return find $path;
1315	or return;
1316	}	1435	}
1317		1436
1318	$cf::MAP{$key} = $map	1437	$cf::MAP{$path} = $map
1319	}	1438	}
1320	}	1439	}
		1440
		1441	sub pre_load { }
		1442	sub post_load { }
1321		1443
1322	sub load {	1444	sub load {
1323	my ($self) = @_;	1445	my ($self) = @_;
1324		1446
		1447	local $self->{deny_reset} = 1; # loading can take a long time
		1448
1325	my $path = $self->{path};	1449	my $path = $self->{path};
1326	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1450	my $guard = cf::lock_acquire "map_load:$path";
1327		1451
1328	return if $self->in_memory != cf::MAP_SWAPPED;	1452	return if $self->in_memory != cf::MAP_SWAPPED;
1329		1453
1330	$self->in_memory (cf::MAP_LOADING);	1454	$self->in_memory (cf::MAP_LOADING);
1331		1455
1332	$self->alloc;	1456	$self->alloc;
		1457
		1458	$self->pre_load;
		1459
1333	$self->load_objects ($self->{load_path}, 1)	1460	$self->_load_objects ($self->{load_path}, 1)
1334	or return;	1461	or return;
1335		1462
1336	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1463	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1337	if delete $self->{load_original};	1464	if delete $self->{load_original};
1338		1465
1339	if (my $uniq = $path->uniq_path) {	1466	if (my $uniq = $self->uniq_path) {
1340	utf8::encode $uniq;	1467	utf8::encode $uniq;
1341	if (aio_open $uniq, O_RDONLY, 0) {	1468	if (aio_open $uniq, O_RDONLY, 0) {
1342	$self->clear_unique_items;	1469	$self->clear_unique_items;
1343	$self->load_objects ($uniq, 0);	1470	$self->_load_objects ($uniq, 0);
1344	}	1471	}
1345	}	1472	}
1346		1473
1347	Coro::cede;	1474	Coro::cede;
1348		1475
1349	# now do the right thing for maps	1476	# now do the right thing for maps
1350	$self->link_multipart_objects;	1477	$self->link_multipart_objects;
1351		1478
1352	if ($self->{path}->is_style_map) {	1479	unless ($self->{deny_activate}) {
1353	$self->{deny_save} = 1;	1480	$self->decay_objects;
1354	$self->{deny_reset} = 1;
1355	} else {
1356	$self->fix_auto_apply;	1481	$self->fix_auto_apply;
1357	$self->decay_objects;
1358	$self->update_buttons;	1482	$self->update_buttons;
		1483	Coro::cede;
1359	$self->set_darkness_map;	1484	$self->set_darkness_map;
1360	$self->difficulty ($self->estimate_difficulty)	1485	$self->difficulty ($self->estimate_difficulty)
1361	unless $self->difficulty;	1486	unless $self->difficulty;
		1487	Coro::cede;
1362	$self->activate;	1488	$self->activate;
1363	}	1489	}
1364		1490
1365	Coro::cede;	1491	$self->post_load;
1366		1492
1367	$self->in_memory (cf::MAP_IN_MEMORY);	1493	$self->in_memory (cf::MAP_IN_MEMORY);
		1494	}
		1495
		1496	sub customise_for {
		1497	my ($self, $ob) = @_;
		1498
		1499	return find "~" . $ob->name . "/" . $self->{path}
		1500	if $self->per_player;
		1501
		1502	$self
		1503	}
		1504
		1505	# find and load all maps in the 3x3 area around a map
		1506	sub load_diag {
		1507	my ($map) = @_;
		1508
		1509	my @diag; # diagonal neighbours
		1510
		1511	for (0 .. 3) {
		1512	my $neigh = $map->tile_path ($_)
		1513	or next;
		1514	$neigh = find $neigh, $map
		1515	or next;
		1516	$neigh->load;
		1517
		1518	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1519	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1520	}
		1521
		1522	for (@diag) {
		1523	my $neigh = find @$_
		1524	or next;
		1525	$neigh->load;
		1526	}
1368	}	1527	}
1369		1528
1370	sub find_sync {	1529	sub find_sync {
1371	my ($path, $origin) = @_;	1530	my ($path, $origin) = @_;
1372		1531
1373	cf::sync_job { cf::map::find $path, $origin }	1532	cf::sync_job { find $path, $origin }
1374	}	1533	}
1375		1534
1376	sub do_load_sync {	1535	sub do_load_sync {
1377	my ($map) = @_;	1536	my ($map) = @_;
1378		1537
1379	cf::sync_job { $map->load };	1538	cf::sync_job { $map->load };
1380	}	1539	}
1381		1540
		1541	our %MAP_PREFETCH;
		1542	our $MAP_PREFETCHER = undef;
		1543
		1544	sub find_async {
		1545	my ($path, $origin) = @_;
		1546
		1547	$path = normalise $path, $origin && $origin->{path};
		1548
		1549	if (my $map = $cf::MAP{$path}) {
		1550	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1551	}
		1552
		1553	undef $MAP_PREFETCH{$path};
		1554	$MAP_PREFETCHER ||= cf::async {
		1555	while (%MAP_PREFETCH) {
		1556	for my $path (keys %MAP_PREFETCH) {
		1557	my $map = find $path
		1558	or next;
		1559	$map->load;
		1560
		1561	delete $MAP_PREFETCH{$path};
		1562	}
		1563	}
		1564	undef $MAP_PREFETCHER;
		1565	};
		1566	$MAP_PREFETCHER->prio (6);
		1567
		1568	()
		1569	}
		1570
1382	sub save {	1571	sub save {
1383	my ($self) = @_;	1572	my ($self) = @_;
1384		1573
1385	my $lock = cf::lock_acquire "map_data:" . $self->path;	1574	my $lock = cf::lock_acquire "map_data:" . $self->path;
1386		1575
1387	$self->{last_save} = $cf::RUNTIME;	1576	$self->{last_save} = $cf::RUNTIME;
1388		1577
1389	return unless $self->dirty;	1578	return unless $self->dirty;
1390		1579
1391	my $save = $self->{path}->save_path; utf8::encode $save;	1580	my $save = $self->save_path; utf8::encode $save;
1392	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1581	my $uniq = $self->uniq_path; utf8::encode $uniq;
1393		1582
1394	$self->{load_path} = $save;	1583	$self->{load_path} = $save;
1395		1584
1396	return if $self->{deny_save};	1585	return if $self->{deny_save};
1397		1586
…		…
1400	cf::async {	1589	cf::async {
1401	$_->contr->save for $self->players;	1590	$_->contr->save for $self->players;
1402	};	1591	};
1403		1592
1404	if ($uniq) {	1593	if ($uniq) {
1405	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1594	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1406	$self->save_objects ($uniq, cf::IO_UNIQUES);	1595	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1407	} else {	1596	} else {
1408	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1597	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1409	}	1598	}
1410	}	1599	}
1411		1600
1412	sub swap_out {	1601	sub swap_out {
1413	my ($self) = @_;	1602	my ($self) = @_;
…		…
1427		1616
1428	sub reset_at {	1617	sub reset_at {
1429	my ($self) = @_;	1618	my ($self) = @_;
1430		1619
1431	# TODO: safety, remove and allow resettable per-player maps	1620	# TODO: safety, remove and allow resettable per-player maps
1432	return 1e99 if $self->{path}{user_rel};	1621	return 1e99 if $self->isa ("ext::map_per_player");#d#
1433	return 1e99 if $self->{deny_reset};	1622	return 1e99 if $self->{deny_reset};
1434		1623
1435	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1624	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1436	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1625	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1437		1626
…		…
1442	my ($self) = @_;	1631	my ($self) = @_;
1443		1632
1444	$self->reset_at <= $cf::RUNTIME	1633	$self->reset_at <= $cf::RUNTIME
1445	}	1634	}
1446		1635
1447	sub unlink_save {
1448	my ($self) = @_;
1449
1450	utf8::encode (my $save = $self->{path}->save_path);
1451	aioreq_pri 3; IO::AIO::aio_unlink $save;
1452	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1453	}
1454
1455	sub rename {
1456	my ($self, $new_path) = @_;
1457
1458	$self->unlink_save;
1459
1460	delete $cf::MAP{$self->path};
1461	$self->{path} = new cf::path $new_path;
1462	$self->path ($self->{path}->as_string);
1463	$cf::MAP{$self->path} = $self;
1464
1465	$self->save;
1466	}
1467
1468	sub reset {	1636	sub reset {
1469	my ($self) = @_;	1637	my ($self) = @_;
1470		1638
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	1639	my $lock = cf::lock_acquire "map_data:$self->{path}";
1472		1640
1473	return if $self->players;	1641	return if $self->players;
1474	return if $self->{path}{user_rel};#d#	1642	return if $self->isa ("ext::map_per_player");#d#
1475		1643
1476	warn "resetting map ", $self->path;#d#	1644	warn "resetting map ", $self->path;#d#
1477		1645
		1646	$self->in_memory (cf::MAP_SWAPPED);
		1647
		1648	# need to save uniques path
		1649	unless ($self->{deny_save}) {
		1650	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1651
		1652	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1653	if $uniq;
		1654	}
		1655
1478	delete $cf::MAP{$self->path};	1656	delete $cf::MAP{$self->path};
		1657
		1658	$self->clear;
1479		1659
1480	$_->clear_links_to ($self) for values %cf::MAP;	1660	$_->clear_links_to ($self) for values %cf::MAP;
1481		1661
1482	$self->unlink_save;	1662	$self->unlink_save;
1483	$self->destroy;	1663	$self->destroy;
…		…
1486	my $nuke_counter = "aaaa";	1666	my $nuke_counter = "aaaa";
1487		1667
1488	sub nuke {	1668	sub nuke {
1489	my ($self) = @_;	1669	my ($self) = @_;
1490		1670
		1671	delete $cf::MAP{$self->path};
		1672
		1673	$self->unlink_save;
		1674
		1675	bless $self, "cf::map";
		1676	delete $self->{deny_reset};
1491	$self->{deny_save} = 1;	1677	$self->{deny_save} = 1;
1492	$self->reset_timeout (1);	1678	$self->reset_timeout (1);
1493	$self->rename ("{nuke}/" . ($nuke_counter++));	1679	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1680
		1681	$cf::MAP{$self->path} = $self;
		1682
1494	$self->reset; # polite request, might not happen	1683	$self->reset; # polite request, might not happen
1495	}	1684	}
1496		1685
1497	sub customise_for {	1686	=item cf::map::unique_maps
1498	my ($map, $ob) = @_;
1499		1687
1500	if ($map->per_player) {	1688	Returns an arrayref of paths of all shared maps that have
1501	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1689	instantiated unique items. May block.
1502	}
1503		1690
1504	$map	1691	=cut
1505	}
1506		1692
1507	sub emergency_save {	1693	sub unique_maps() {
1508	my $freeze_guard = cf::freeze_mainloop;	1694	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1695	or return;
1509		1696
1510	warn "enter emergency perl save\n";	1697	my @paths;
1511		1698
1512	cf::sync_job {	1699	for (@$files) {
1513	warn "begin emergency player save\n";	1700	utf8::decode $_;
1514	$_->save for values %cf::PLAYER;	1701	next if /\.pst$/;
1515	warn "end emergency player save\n";	1702	next unless /^$PATH_SEP/o;
1516		1703
1517	warn "begin emergency map save\n";	1704	push @paths, cf::map::normalise $_;
1518	$_->save for values %cf::MAP;
1519	warn "end emergency map save\n";
1520	};	1705	}
1521		1706
1522	warn "leave emergency perl save\n";	1707	\@paths
1523	}	1708	}
1524		1709
1525	package cf;	1710	package cf;
1526		1711
1527	=back	1712	=back
1528		1713
		1714	=head3 cf::object
		1715
		1716	=cut
		1717
		1718	package cf::object;
		1719
		1720	=over 4
		1721
		1722	=item $ob->inv_recursive
		1723
		1724	Returns the inventory of the object _and_ their inventories, recursively.
		1725
		1726	=cut
		1727
		1728	sub inv_recursive_;
		1729	sub inv_recursive_ {
		1730	map { $_, inv_recursive_ $_->inv } @_
		1731	}
		1732
		1733	sub inv_recursive {
		1734	inv_recursive_ inv $_[0]
		1735	}
		1736
		1737	package cf;
		1738
		1739	=back
1529		1740
1530	=head3 cf::object::player	1741	=head3 cf::object::player
1531		1742
1532	=over 4	1743	=over 4
1533		1744
…		…
1573		1784
1574	=item $player_object->enter_link	1785	=item $player_object->enter_link
1575		1786
1576	Freezes the player and moves him/her to a special map (C<{link}>).	1787	Freezes the player and moves him/her to a special map (C<{link}>).
1577		1788
1578	The player should be reaosnably safe there for short amounts of time. You	1789	The player should be reasonably safe there for short amounts of time. You
1579	I<MUST> call C<leave_link> as soon as possible, though.	1790	I<MUST> call C<leave_link> as soon as possible, though.
1580		1791
		1792	Will never block.
		1793
1581	=item $player_object->leave_link ($map, $x, $y)	1794	=item $player_object->leave_link ($map, $x, $y)
1582		1795
1583	Moves the player out of the specila link map onto the given map. If the	1796	Moves the player out of the special C<{link}> map onto the specified
1584	map is not valid (or omitted), the player will be moved back to the	1797	map. If the map is not valid (or omitted), the player will be moved back
1585	location he/she was before the call to C<enter_link>, or, if that fails,	1798	to the location he/she was before the call to C<enter_link>, or, if that
1586	to the emergency map position.	1799	fails, to the emergency map position.
1587		1800
1588	Might block.	1801	Might block.
1589		1802
1590	=cut	1803	=cut
		1804
		1805	sub link_map {
		1806	unless ($LINK_MAP) {
		1807	$LINK_MAP = cf::map::find "{link}"
		1808	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1809	$LINK_MAP->load;
		1810	}
		1811
		1812	$LINK_MAP
		1813	}
1591		1814
1592	sub cf::object::player::enter_link {	1815	sub cf::object::player::enter_link {
1593	my ($self) = @_;	1816	my ($self) = @_;
1594		1817
1595	$self->deactivate_recursive;	1818	$self->deactivate_recursive;
1596		1819
1597	return if $self->map == $LINK_MAP;	1820	return if UNIVERSAL::isa $self->map, "ext::map_link";
1598		1821
1599	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1822	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1600	if $self->map;	1823	if $self->map;
1601		1824
1602	$self->enter_map ($LINK_MAP, 20, 20);	1825	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1603	}	1826	}
1604		1827
1605	sub cf::object::player::leave_link {	1828	sub cf::object::player::leave_link {
1606	my ($self, $map, $x, $y) = @_;	1829	my ($self, $map, $x, $y) = @_;
1607		1830
…		…
1625	# use -1 or undef as default coordinates, not 0, 0	1848	# use -1 or undef as default coordinates, not 0, 0
1626	($x, $y) = ($map->enter_x, $map->enter_y)	1849	($x, $y) = ($map->enter_x, $map->enter_y)
1627	if $x <=0 && $y <= 0;	1850	if $x <=0 && $y <= 0;
1628		1851
1629	$map->load;	1852	$map->load;
		1853	$map->load_diag;
1630		1854
1631	return unless $self->contr->active;	1855	return unless $self->contr->active;
1632	$self->activate_recursive;	1856	$self->activate_recursive;
		1857
		1858	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1633	$self->enter_map ($map, $x, $y);	1859	$self->enter_map ($map, $x, $y);
1634	}	1860	}
1635		1861
1636	cf::player->attach (	1862	cf::player->attach (
1637	on_logout => sub {	1863	on_logout => sub {
…		…
1650	# try to abort aborted map switching on player login :)	1876	# try to abort aborted map switching on player login :)
1651	# should happen only on crashes	1877	# should happen only on crashes
1652	if ($pl->ob->{_link_pos}) {	1878	if ($pl->ob->{_link_pos}) {
1653	$pl->ob->enter_link;	1879	$pl->ob->enter_link;
1654	(async {	1880	(async {
1655	# we need this sleep as the login has a concurrent enter_exit running
1656	# and this sleep increases chances of the player not ending up in scorn
1657	$pl->ob->reply (undef,	1881	$pl->ob->reply (undef,
1658	"There was an internal problem at your last logout, "	1882	"There was an internal problem at your last logout, "
1659	. "the server will try to bring you to your intended destination in a second.",	1883	. "the server will try to bring you to your intended destination in a second.",
1660	cf::NDI_RED);	1884	cf::NDI_RED);
		1885	# we need this sleep as the login has a concurrent enter_exit running
		1886	# and this sleep increases chances of the player not ending up in scorn
1661	Coro::Timer::sleep 1;	1887	Coro::Timer::sleep 1;
1662	$pl->ob->leave_link;	1888	$pl->ob->leave_link;
1663	})->prio (2);	1889	})->prio (2);
1664	}	1890	}
1665	},	1891	},
…		…
1673	my ($self, $path, $x, $y) = @_;	1899	my ($self, $path, $x, $y) = @_;
1674		1900
1675	$self->enter_link;	1901	$self->enter_link;
1676		1902
1677	(async {	1903	(async {
1678	$path = new cf::path $path;	1904	my $map = eval {
1679
1680	my $map = cf::map::find $path->as_string;	1905	my $map = cf::map::find $path;
1681	$map = $map->customise_for ($self) if $map;	1906	$map = $map->customise_for ($self) if $map;
1682		1907	$map
1683	# warn "entering ", $map->path, " at ($x, $y)\n"	1908	} or
1684	# if $map;
1685
1686	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1909	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1687		1910
1688	$self->leave_link ($map, $x, $y);	1911	$self->leave_link ($map, $x, $y);
1689	})->prio (1);	1912	})->prio (1);
1690	}	1913	}
1691		1914
…		…
1695		1918
1696	sub parse_random_map_params {	1919	sub parse_random_map_params {
1697	my ($spec) = @_;	1920	my ($spec) = @_;
1698		1921
1699	my $rmp = { # defaults	1922	my $rmp = { # defaults
1700	xsize => 10,	1923	xsize => (cf::rndm 15, 40),
1701	ysize => 10,	1924	ysize => (cf::rndm 15, 40),
		1925	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1926	#layout => string,
1702	};	1927	};
1703		1928
1704	for (split /\n/, $spec) {	1929	for (split /\n/, $spec) {
1705	my ($k, $v) = split /\s+/, $_, 2;	1930	my ($k, $v) = split /\s+/, $_, 2;
1706		1931
…		…
1710	$rmp	1935	$rmp
1711	}	1936	}
1712		1937
1713	sub prepare_random_map {	1938	sub prepare_random_map {
1714	my ($exit) = @_;	1939	my ($exit) = @_;
		1940
		1941	my $guard = cf::lock_acquire "exit_prepare:$exit";
1715		1942
1716	# all this does is basically replace the /! path by	1943	# all this does is basically replace the /! path by
1717	# a new random map path (?random/...) with a seed	1944	# a new random map path (?random/...) with a seed
1718	# that depends on the exit object	1945	# that depends on the exit object
1719		1946
1720	my $rmp = parse_random_map_params $exit->msg;	1947	my $rmp = parse_random_map_params $exit->msg;
1721		1948
1722	if ($exit->map) {	1949	if ($exit->map) {
1723	$rmp->{region} = $exit->map->region_name;	1950	$rmp->{region} = $exit->region->name;
1724	$rmp->{origin_map} = $exit->map->path;	1951	$rmp->{origin_map} = $exit->map->path;
1725	$rmp->{origin_x} = $exit->x;	1952	$rmp->{origin_x} = $exit->x;
1726	$rmp->{origin_y} = $exit->y;	1953	$rmp->{origin_y} = $exit->y;
1727	}	1954	}
1728		1955
1729	$rmp->{random_seed} ||= $exit->random_seed;	1956	$rmp->{random_seed} ||= $exit->random_seed;
1730		1957
1731	my $data = cf::to_json $rmp;	1958	my $data = cf::to_json $rmp;
1732	my $md5 = Digest::MD5::md5_hex $data;	1959	my $md5 = Digest::MD5::md5_hex $data;
		1960	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1733		1961
1734	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1962	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1735	aio_write $fh, 0, (length $data), $data, 0;	1963	aio_write $fh, 0, (length $data), $data, 0;
		1964	undef $fh;
		1965	aio_rename "$meta~", $meta;
1736		1966
1737	$exit->slaying ("?random/$md5");	1967	$exit->slaying ("?random/$md5");
1738	$exit->msg (undef);	1968	$exit->msg (undef);
1739	}	1969	}
1740	}	1970	}
1741		1971
1742	sub cf::object::player::enter_exit {	1972	sub cf::object::player::enter_exit {
1743	my ($self, $exit) = @_;	1973	my ($self, $exit) = @_;
1744		1974
1745	return unless $self->type == cf::PLAYER;	1975	return unless $self->type == cf::PLAYER;
		1976
		1977	if ($exit->slaying eq "/!") {
		1978	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1979	# the problem is that $exit might not survive long enough
		1980	# so it needs to be done right now, right here
		1981	cf::sync_job { prepare_random_map $exit };
		1982	}
		1983
		1984	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1985	my $hp = $exit->stats->hp;
		1986	my $sp = $exit->stats->sp;
1746		1987
1747	$self->enter_link;	1988	$self->enter_link;
1748		1989
1749	(async {	1990	(async {
1750	$self->deactivate_recursive; # just to be sure	1991	$self->deactivate_recursive; # just to be sure
1751	unless (eval {	1992	unless (eval {
1752	prepare_random_map $exit	1993	$self->goto ($slaying, $hp, $sp);
1753	if $exit->slaying eq "/!";
1754
1755	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1756	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1757		1994
1758	1;	1995	1;
1759	}) {	1996	}) {
1760	$self->message ("Something went wrong deep within the crossfire server. "	1997	$self->message ("Something went wrong deep within the crossfire server. "
1761	. "I'll try to bring you back to the map you were before. "	1998	. "I'll try to bring you back to the map you were before. "
1762	. "Please report this to the dungeon master",	1999	. "Please report this to the dungeon master!",
1763	cf::NDI_UNIQUE | cf::NDI_RED);	2000	cf::NDI_UNIQUE | cf::NDI_RED);
1764		2001
1765	warn "ERROR in enter_exit: $@";	2002	warn "ERROR in enter_exit: $@";
1766	$self->leave_link;	2003	$self->leave_link;
1767	}	2004	}
1768	})->prio (1);	2005	})->prio (1);
…		…
1781		2018
1782	sub cf::client::send_drawinfo {	2019	sub cf::client::send_drawinfo {
1783	my ($self, $text, $flags) = @_;	2020	my ($self, $text, $flags) = @_;
1784		2021
1785	utf8::encode $text;	2022	utf8::encode $text;
1786	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2023	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1787	}	2024	}
1788		2025
		2026	=item $client->ext_event ($type, %msg)
		2027
		2028	Sends an exti event to the client.
		2029
		2030	=cut
		2031
		2032	sub cf::client::ext_event($$%) {
		2033	my ($self, $type, %msg) = @_;
		2034
		2035	$msg{msgtype} = "event_$type";
		2036	$self->send_packet ("ext " . cf::to_json \%msg);
		2037	}
1789		2038
1790	=item $success = $client->query ($flags, "text", \&cb)	2039	=item $success = $client->query ($flags, "text", \&cb)
1791		2040
1792	Queues a query to the client, calling the given callback with	2041	Queues a query to the client, calling the given callback with
1793	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2042	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1822	# get handled first	2071	# get handled first
1823	my $queue = delete $ns->{query_queue}	2072	my $queue = delete $ns->{query_queue}
1824	or return; # be conservative, not sure how that can happen, but we saw a crash here	2073	or return; # be conservative, not sure how that can happen, but we saw a crash here
1825		2074
1826	(shift @$queue)->[1]->($msg);	2075	(shift @$queue)->[1]->($msg);
		2076	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1827		2077
1828	push @{ $ns->{query_queue} }, @$queue;	2078	push @{ $ns->{query_queue} }, @$queue;
1829		2079
1830	if (@{ $ns->{query_queue} } == @$queue) {	2080	if (@{ $ns->{query_queue} } == @$queue) {
1831	if (@$queue) {	2081	if (@$queue) {
…		…
1889		2139
1890	# here we export the classes and methods available to script code	2140	# here we export the classes and methods available to script code
1891		2141
1892	=pod	2142	=pod
1893		2143
1894	The following fucntions and emthods are available within a safe environment:	2144	The following functions and methods are available within a safe environment:
1895		2145
1896	cf::object contr pay_amount pay_player map	2146	cf::object contr pay_amount pay_player map
1897	cf::object::player player	2147	cf::object::player player
1898	cf::player peaceful	2148	cf::player peaceful
1899	cf::map trigger	2149	cf::map trigger
…		…
1992	The parameter C<$family> should best start with the name of the extension	2242	The parameter C<$family> should best start with the name of the extension
1993	using it, it should be unique.	2243	using it, it should be unique.
1994		2244
1995	=over 4	2245	=over 4
1996		2246
1997	=item $hashref = cf::db_get $family
1998
1999	Return a hashref for use by the extension C<$family>, which can be
2000	modified. After modifications, you have to call C<cf::db_dirty> or
2001	C<cf::db_sync>.
2002
2003	=item $value = cf::db_get $family => $key	2247	=item $value = cf::db_get $family => $key
2004		2248
2005	Returns a single value from the database	2249	Returns a single value from the database.
2006
2007	=item cf::db_put $family => $hashref
2008
2009	Stores the given family hashref into the database. Updates are delayed, if
2010	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2011		2250
2012	=item cf::db_put $family => $key => $value	2251	=item cf::db_put $family => $key => $value
2013		2252
2014	Stores the given C<$value> in the family hash. Updates are delayed, if you	2253	Stores the given C<$value> in the family.
2015	want the data to be synced to disk immediately, use C<cf::db_sync>.
2016
2017	=item cf::db_dirty
2018
2019	Marks the database as dirty, to be updated at a later time.
2020
2021	=item cf::db_sync
2022
2023	Immediately write the database to disk I<if it is dirty>.
2024		2254
2025	=cut	2255	=cut
2026		2256
2027	our $DB;	2257	our $DB;
2028		2258
2029	{	2259	sub db_init {
		2260	unless ($DB) {
		2261	$DB = BDB::db_create $DB_ENV;
		2262
		2263	cf::sync_job {
		2264	eval {
		2265	$DB->set_flags (BDB::CHKSUM);
		2266
		2267	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2268	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2269	cf::cleanup "db_open(db): $!" if $!;
		2270	};
		2271	cf::cleanup "db_open(db): $@" if $@;
		2272	};
		2273
2030	my $path = cf::localdir . "/database.pst";	2274	my $path = cf::localdir . "/database.pst";
		2275	if (stat $path) {
		2276	cf::sync_job {
		2277	my $pst = Storable::retrieve $path;
2031		2278
2032	sub db_load() {	2279	cf::db_put (board => data => $pst->{board});
2033	$DB = stat $path ? Storable::retrieve $path : { };	2280	cf::db_put (guildrules => data => $pst->{guildrules});
2034	}	2281	cf::db_put (rent => balance => $pst->{rent}{balance});
		2282	BDB::db_env_txn_checkpoint $DB_ENV;
2035		2283
2036	my $pid;	2284	unlink $path;
2037
2038	sub db_save() {
2039	waitpid $pid, 0 if $pid;
2040	if (0 == ($pid = fork)) {
2041	$DB->{_meta}{version} = 1;
2042	Storable::nstore $DB, "$path~";
2043	rename "$path~", $path;
2044	cf::_exit 0 if defined $pid;
2045	}	2285	};
2046	}
2047
2048	my $dirty;
2049
2050	sub db_sync() {
2051	db_save if $dirty;
2052	undef $dirty;
2053	}
2054
2055	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2056	db_sync;
2057	});
2058
2059	sub db_dirty() {
2060	$dirty = 1;
2061	$idle->start;
2062	}
2063
2064	sub db_get($;$) {
2065	@_ >= 2
2066	? $DB->{$_[0]}{$_[1]}
2067	: ($DB->{$_[0]} ||= { })
2068	}
2069
2070	sub db_put($$;$) {
2071	if (@_ >= 3) {
2072	$DB->{$_[0]}{$_[1]} = $_[2];
2073	} else {
2074	$DB->{$_[0]} = $_[1];
2075	}
2076	db_dirty;
2077	}
2078
2079	cf::global->attach (
2080	prio => 10000,
2081	on_cleanup => sub {
2082	db_sync;
2083	},	2286	}
2084	);	2287	}
		2288	}
		2289
		2290	sub db_get($$) {
		2291	my $key = "$_[0]/$_[1]";
		2292
		2293	cf::sync_job {
		2294	BDB::db_get $DB, undef, $key, my $data;
		2295
		2296	$! ? ()
		2297	: Compress::LZF::sthaw $data
		2298	}
		2299	}
		2300
		2301	sub db_put($$$) {
		2302	BDB::dbreq_pri 4;
		2303	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2085	}	2304	}
2086		2305
2087	#############################################################################	2306	#############################################################################
2088	# the server's main()	2307	# the server's init and main functions
		2308
		2309	sub load_facedata {
		2310	my $path = sprintf "%s/facedata", cf::datadir;
		2311
		2312	warn "loading facedata from $path\n";
		2313
		2314	my $facedata;
		2315	0 < aio_load $path, $facedata
		2316	or die "$path: $!";
		2317
		2318	$facedata = Coro::Storable::thaw $facedata;
		2319
		2320	$facedata->{version} == 2
		2321	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2322
		2323	{
		2324	my $faces = $facedata->{faceinfo};
		2325
		2326	while (my ($face, $info) = each %$faces) {
		2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2331	Coro::cede;
		2332	}
		2333
		2334	while (my ($face, $info) = each %$faces) {
		2335	next unless $info->{smooth};
		2336	my $idx = cf::face::find $face
		2337	or next;
		2338	if (my $smooth = cf::face::find $info->{smooth}) {
		2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2340	} else {
		2341	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2342	}
		2343	Coro::cede;
		2344	}
		2345	}
		2346
		2347	{
		2348	my $anims = $facedata->{animinfo};
		2349
		2350	while (my ($anim, $info) = each %$anims) {
		2351	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2352	Coro::cede;
		2353	}
		2354
		2355	cf::anim::invalidate_all; # d'oh
		2356	}
		2357
		2358	1
		2359	}
		2360
		2361	sub reload_resources {
		2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2363	or die "unable to load regions file\n";#d#
		2364	load_facedata
		2365	or die "unable to load facedata\n";#d#
		2366	}
		2367
		2368	sub init {
		2369	reload_resources;
		2370	}
2089		2371
2090	sub cfg_load {	2372	sub cfg_load {
2091	open my $fh, "<:utf8", cf::confdir . "/config"	2373	open my $fh, "<:utf8", cf::confdir . "/config"
2092	or return;	2374	or return;
2093		2375
…		…
2110		2392
2111	sub main {	2393	sub main {
2112	# we must not ever block the main coroutine	2394	# we must not ever block the main coroutine
2113	local $Coro::idle = sub {	2395	local $Coro::idle = sub {
2114	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2396	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2397	(async {
2115	async { Event::one_event };	2398	Event::one_event;
		2399	})->prio (Coro::PRIO_MAX);
2116	};	2400	};
2117		2401
2118	cfg_load;	2402	cfg_load;
2119	db_load;	2403	db_init;
2120	load_extensions;	2404	load_extensions;
		2405
		2406	$TICK_WATCHER->start;
2121	Event::loop;	2407	Event::loop;
2122	}	2408	}
2123		2409
2124	#############################################################################	2410	#############################################################################
2125	# initialisation	2411	# initialisation and cleanup
		2412
		2413	# install some emergency cleanup handlers
		2414	BEGIN {
		2415	for my $signal (qw(INT HUP TERM)) {
		2416	Event->signal (
		2417	reentrant => 0,
		2418	data => WF_AUTOCANCEL,
		2419	signal => $signal,
		2420	prio => 0,
		2421	cb => sub {
		2422	cf::cleanup "SIG$signal";
		2423	},
		2424	);
		2425	}
		2426	}
		2427
		2428	sub emergency_save() {
		2429	my $freeze_guard = cf::freeze_mainloop;
		2430
		2431	warn "enter emergency perl save\n";
		2432
		2433	cf::sync_job {
		2434	# use a peculiar iteration method to avoid tripping on perl
		2435	# refcount bugs in for. also avoids problems with players
		2436	# and maps saved/destroyed asynchronously.
		2437	warn "begin emergency player save\n";
		2438	for my $login (keys %cf::PLAYER) {
		2439	my $pl = $cf::PLAYER{$login} or next;
		2440	$pl->valid or next;
		2441	$pl->save;
		2442	}
		2443	warn "end emergency player save\n";
		2444
		2445	warn "begin emergency map save\n";
		2446	for my $path (keys %cf::MAP) {
		2447	my $map = $cf::MAP{$path} or next;
		2448	$map->valid or next;
		2449	$map->save;
		2450	}
		2451	warn "end emergency map save\n";
		2452
		2453	warn "begin emergency database checkpoint\n";
		2454	BDB::db_env_txn_checkpoint $DB_ENV;
		2455	warn "end emergency database checkpoint\n";
		2456	};
		2457
		2458	warn "leave emergency perl save\n";
		2459	}
		2460
		2461	sub post_cleanup {
		2462	my ($make_core) = @_;
		2463
		2464	warn Carp::longmess "post_cleanup backtrace"
		2465	if $make_core;
		2466	}
2126		2467
2127	sub reload() {	2468	sub reload() {
2128	# can/must only be called in main	2469	# can/must only be called in main
2129	if ($Coro::current != $Coro::main) {	2470	if ($Coro::current != $Coro::main) {
2130	warn "can only reload from main coroutine\n";	2471	warn "can only reload from main coroutine";
2131	return;	2472	return;
2132	}	2473	}
2133		2474
2134	warn "reloading...";	2475	warn "reloading...";
2135		2476
2136	my $guard = freeze_mainloop;	2477	warn "entering sync_job";
		2478
		2479	cf::sync_job {
		2480	cf::write_runtime; # external watchdog should not bark
2137	cf::emergency_save;	2481	cf::emergency_save;
		2482	cf::write_runtime; # external watchdog should not bark
2138		2483
2139	eval {	2484	warn "syncing database to disk";
		2485	BDB::db_env_txn_checkpoint $DB_ENV;
		2486
2140	# if anything goes wrong in here, we should simply crash as we already saved	2487	# if anything goes wrong in here, we should simply crash as we already saved
2141		2488
2142	# cancel all watchers	2489	warn "cancelling all WF_AUTOCANCEL watchers";
2143	for (Event::all_watchers) {	2490	for (Event::all_watchers) {
2144	$_->cancel if $_->data & WF_AUTOCANCEL;	2491	$_->cancel if $_->data & WF_AUTOCANCEL;
2145	}	2492	}
2146		2493
		2494	warn "flushing outstanding aio requests";
		2495	for (;;) {
		2496	BDB::flush;
		2497	IO::AIO::flush;
		2498	Coro::cede;
		2499	last unless IO::AIO::nreqs || BDB::nreqs;
		2500	warn "iterate...";
		2501	}
		2502
		2503	++$RELOAD;
		2504
2147	# cancel all extension coros	2505	warn "cancelling all extension coros";
2148	$_->cancel for values %EXT_CORO;	2506	$_->cancel for values %EXT_CORO;
2149	%EXT_CORO = ();	2507	%EXT_CORO = ();
2150		2508
2151	# unload all extensions	2509	warn "removing commands";
2152	for (@exts) {	2510	%COMMAND = ();
		2511
		2512	warn "removing ext commands";
		2513	%EXTCMD = ();
		2514
		2515	warn "unloading/nuking all extensions";
		2516	for my $pkg (@EXTS) {
2153	warn "unloading <$_>";	2517	warn "... unloading $pkg";
2154	unload_extension $_;	2518
		2519	if (my $cb = $pkg->can ("unload")) {
		2520	eval {
		2521	$cb->($pkg);
		2522	1
		2523	} or warn "$pkg unloaded, but with errors: $@";
2155	}	2524	}
2156		2525
		2526	warn "... nuking $pkg";
		2527	Symbol::delete_package $pkg;
		2528	}
		2529
2157	# unload all modules loaded from $LIBDIR	2530	warn "unloading all perl modules loaded from $LIBDIR";
2158	while (my ($k, $v) = each %INC) {	2531	while (my ($k, $v) = each %INC) {
2159	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2532	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2160		2533
2161	warn "removing <$k>";	2534	warn "... unloading $k";
2162	delete $INC{$k};	2535	delete $INC{$k};
2163		2536
2164	$k =~ s/\.pm$//;	2537	$k =~ s/\.pm$//;
2165	$k =~ s/\//::/g;	2538	$k =~ s/\//::/g;
2166		2539
…		…
2169	}	2542	}
2170		2543
2171	Symbol::delete_package $k;	2544	Symbol::delete_package $k;
2172	}	2545	}
2173		2546
2174	# sync database to disk
2175	cf::db_sync;
2176	IO::AIO::flush;
2177
2178	# get rid of safe::, as good as possible	2547	warn "getting rid of safe::, as good as possible";
2179	Symbol::delete_package "safe::$_"	2548	Symbol::delete_package "safe::$_"
2180	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2549	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2181		2550
2182	# remove register_script_function callbacks
2183	# TODO
2184
2185	# unload cf.pm "a bit"	2551	warn "unloading cf.pm \"a bit\"";
2186	delete $INC{"cf.pm"};	2552	delete $INC{"cf.pm"};
2187		2553
2188	# don't, removes xs symbols, too,	2554	# don't, removes xs symbols, too,
2189	# and global variables created in xs	2555	# and global variables created in xs
2190	#Symbol::delete_package __PACKAGE__;	2556	#Symbol::delete_package __PACKAGE__;
2191		2557
2192	# reload cf.pm	2558	warn "unload completed, starting to reload now";
		2559
2193	warn "reloading cf.pm";	2560	warn "reloading cf.pm";
2194	require cf;	2561	require cf;
2195	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2196		2563
2197	# load config and database again	2564	warn "loading config and database again";
2198	cf::cfg_load;	2565	cf::cfg_load;
2199	cf::db_load;
2200		2566
2201	# load extensions
2202	warn "load extensions";	2567	warn "loading extensions";
2203	cf::load_extensions;	2568	cf::load_extensions;
2204		2569
2205	# reattach attachments to objects	2570	warn "reattaching attachments to objects/players";
2206	warn "reattach";	2571	_global_reattach; # objects, sockets
2207	_global_reattach;	2572	warn "reattaching attachments to maps";
2208	reattach $_ for values %MAP;	2573	reattach $_ for values %MAP;
2209	};	2574	warn "reattaching attachments to players";
		2575	reattach $_ for values %PLAYER;
2210		2576
2211	if ($@) {	2577	warn "loading reloadable resources";
		2578	reload_resources;
		2579
		2580	warn "leaving sync_job";
		2581
		2582	1
		2583	} or do {
2212	warn $@;	2584	warn $@;
2213	warn "error while reloading, exiting.";	2585	warn "error while reloading, exiting.";
2214	exit 1;	2586	exit 1;
2215	}	2587	};
2216		2588
2217	warn "reloaded successfully";	2589	warn "reloaded";
2218	};	2590	};
2219		2591
2220	#############################################################################	2592	our $RELOAD_WATCHER; # used only during reload
2221
2222	unless ($LINK_MAP) {
2223	$LINK_MAP = cf::map::new;
2224
2225	$LINK_MAP->width (41);
2226	$LINK_MAP->height (41);
2227	$LINK_MAP->alloc;
2228	$LINK_MAP->path ("{link}");
2229	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2230	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2231
2232	# dirty hack because... archetypes are not yet loaded
2233	Event->timer (
2234	after => 10,
2235	cb => sub {
2236	$_[0]->w->cancel;
2237
2238	# provide some exits "home"
2239	my $exit = cf::object::new "exit";
2240
2241	$exit->slaying ($EMERGENCY_POSITION->[0]);
2242	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2243	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2244
2245	$LINK_MAP->insert ($exit->clone, 19, 19);
2246	$LINK_MAP->insert ($exit->clone, 19, 20);
2247	$LINK_MAP->insert ($exit->clone, 19, 21);
2248	$LINK_MAP->insert ($exit->clone, 20, 19);
2249	$LINK_MAP->insert ($exit->clone, 20, 21);
2250	$LINK_MAP->insert ($exit->clone, 21, 19);
2251	$LINK_MAP->insert ($exit->clone, 21, 20);
2252	$LINK_MAP->insert ($exit->clone, 21, 21);
2253
2254	$exit->destroy;
2255	});
2256
2257	$LINK_MAP->{deny_save} = 1;
2258	$LINK_MAP->{deny_reset} = 1;
2259
2260	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2261	}
2262
2263	register "<global>", __PACKAGE__;
2264		2593
2265	register_command "reload" => sub {	2594	register_command "reload" => sub {
2266	my ($who, $arg) = @_;	2595	my ($who, $arg) = @_;
2267		2596
2268	if ($who->flag (FLAG_WIZ)) {	2597	if ($who->flag (FLAG_WIZ)) {
2269	$who->message ("start of reload.");	2598	$who->message ("reloading server.");
		2599
		2600	# doing reload synchronously and two reloads happen back-to-back,
		2601	# coro crashes during coro_state_free->destroy here.
		2602
		2603	$RELOAD_WATCHER ||= Event->timer (
		2604	reentrant => 0,
		2605	after => 0,
		2606	data => WF_AUTOCANCEL,
		2607	cb => sub {
2270	reload;	2608	reload;
2271	$who->message ("end of reload.");	2609	undef $RELOAD_WATCHER;
		2610	},
		2611	);
2272	}	2612	}
2273	};	2613	};
2274		2614
2275	unshift @INC, $LIBDIR;	2615	unshift @INC, $LIBDIR;
		2616
		2617	my $bug_warning = 0;
2276		2618
2277	$TICK_WATCHER = Event->timer (	2619	$TICK_WATCHER = Event->timer (
2278	reentrant => 0,	2620	reentrant => 0,
		2621	parked => 1,
2279	prio => 0,	2622	prio => 0,
2280	at => $NEXT_TICK || $TICK,	2623	at => $NEXT_TICK || $TICK,
2281	data => WF_AUTOCANCEL,	2624	data => WF_AUTOCANCEL,
2282	cb => sub {	2625	cb => sub {
		2626	if ($Coro::current != $Coro::main) {
		2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2628	unless ++$bug_warning > 10;
		2629	return;
		2630	}
		2631
		2632	$NOW = Event::time;
		2633
2283	cf::server_tick; # one server iteration	2634	cf::server_tick; # one server iteration
2284	$RUNTIME += $TICK;	2635	$RUNTIME += $TICK;
2285	$NEXT_TICK += $TICK;	2636	$NEXT_TICK += $TICK;
		2637
		2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2639	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2640	Coro::async_pool {
		2641	write_runtime
		2642	or warn "ERROR: unable to write runtime file: $!";
		2643	};
		2644	}
		2645
		2646	$WAIT_FOR_TICK->broadcast;
		2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2648
		2649	# my $AFTER = Event::time;
		2650	# warn $AFTER - $NOW;#d#
2286		2651
2287	# if we are delayed by four ticks or more, skip them all	2652	# if we are delayed by four ticks or more, skip them all
2288	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2289		2654
2290	$TICK_WATCHER->at ($NEXT_TICK);	2655	$TICK_WATCHER->at ($NEXT_TICK);
2291	$TICK_WATCHER->start;	2656	$TICK_WATCHER->start;
2292	},	2657	},
2293	);	2658	);
2294		2659
		2660	{
2295	IO::AIO::max_poll_time $TICK * 0.2;	2661	BDB::max_poll_time $TICK * 0.1;
2296		2662	$BDB_POLL_WATCHER = Event->io (
2297	Event->io (	2663	reentrant => 0,
2298	fd => IO::AIO::poll_fileno,	2664	fd => BDB::poll_fileno,
2299	poll => 'r',	2665	poll => 'r',
2300	prio => 5,	2666	prio => 0,
2301	data => WF_AUTOCANCEL,
2302	cb => \&IO::AIO::poll_cb,
2303	);
2304
2305	Event->timer (
2306	data => WF_AUTOCANCEL,	2667	data => WF_AUTOCANCEL,
2307	after => 0,	2668	cb => \&BDB::poll_cb,
2308	interval => 10,	2669	);
2309	cb => sub {	2670	BDB::min_parallel 8;
2310	(Coro::unblock_sub {	2671
2311	write_runtime	2672	BDB::set_sync_prepare {
2312	or warn "ERROR: unable to write runtime file: $!";	2673	my $status;
		2674	my $current = $Coro::current;
		2675	(
		2676	sub {
		2677	$status = $!;
		2678	$current->ready; undef $current;
		2679	},
		2680	sub {
		2681	Coro::schedule while defined $current;
		2682	$! = $status;
		2683	},
		2684	)
		2685	};
		2686
		2687	unless ($DB_ENV) {
		2688	$DB_ENV = BDB::db_env_create;
		2689
		2690	cf::sync_job {
		2691	eval {
		2692	BDB::db_env_open
		2693	$DB_ENV,
		2694	$BDB_ENV_DIR,
		2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2697	0666;
		2698
		2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2700
		2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2702	$DB_ENV->set_lk_detect;
		2703	};
		2704
		2705	cf::cleanup "db_env_open(db): $@" if $@;
2313	})->();	2706	};
2314	},	2707	}
2315	);	2708	}
		2709
		2710	{
		2711	IO::AIO::min_parallel 8;
		2712
		2713	undef $Coro::AIO::WATCHER;
		2714	IO::AIO::max_poll_time $TICK * 0.1;
		2715	$AIO_POLL_WATCHER = Event->io (
		2716	reentrant => 0,
		2717	data => WF_AUTOCANCEL,
		2718	fd => IO::AIO::poll_fileno,
		2719	poll => 'r',
		2720	prio => 6,
		2721	cb => \&IO::AIO::poll_cb,
		2722	);
		2723	}
2316		2724
2317	END { cf::emergency_save }	2725	END { cf::emergency_save }
2318		2726
2319	1	2727	1
2320		2728

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