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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.148 by root, Mon Jan 8 12:39:16 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	Coro::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	$pl->save_pl ($path);	1020	$pl->save_pl ($path);
1142	Coro::cede;	1021	Coro::cede;
1143	}	1022	}
…		…
1153	$cf::PLAYER{$login} = $self;	1032	$cf::PLAYER{$login} = $self;
1154		1033
1155	$self	1034	$self
1156	}	1035	}
1157		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
1158	sub quit_character {	1044	sub quit_character {
1159	my ($pl) = @_;	1045	my ($pl) = @_;
		1046
		1047	my $name = $pl->ob->name;
1160		1048
1161	$pl->{deny_save} = 1;	1049	$pl->{deny_save} = 1;
1162	$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
1163		1051
1164	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1166	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1167	$pl->ns->destroy if $pl->ns;	1055	$pl->ns->destroy if $pl->ns;
1168		1056
1169	my $path = playerdir $pl;	1057	my $path = playerdir $pl;
1170	my $temp = "$path~$cf::RUNTIME~deleting~";	1058	my $temp = "$path~$cf::RUNTIME~deleting~";
1171	IO::AIO::aio_rename $path, $temp, sub {	1059	aio_rename $path, $temp;
1172	delete $cf::PLAYER{$pl->ob->name};	1060	delete $cf::PLAYER{$pl->ob->name};
1173	$pl->destroy;	1061	$pl->destroy;
1174		1062
		1063	my $prefix = qr<^~\Q$name\E/>;
		1064
		1065	# nuke player maps
		1066	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1067
1175	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;
1176	};	1105	}
1177	}
1178		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
1179	=item $player->ext_reply ($msgid, $msgtype, %msg)	1138	=item $player->ext_reply ($msgid, %msg)
1180		1139
1181	Sends an ext reply to the player.	1140	Sends an ext reply to the player.
1182		1141
1183	=cut	1142	=cut
1184		1143
1185	sub ext_reply($$$%) {	1144	sub ext_reply($$%) {
1186	my ($self, $id, %msg) = @_;	1145	my ($self, $id, %msg) = @_;
1187		1146
1188	$msg{msgid} = $id;	1147	$msg{msgid} = $id;
1189		1148
1190	$self->send ("ext " . cf::to_json \%msg);	1149	$self->send ("ext " . cf::to_json \%msg);
		1150	}
		1151
		1152	=item $player->ext_event ($type, %msg)
		1153
		1154	Sends an ext event to the client.
		1155
		1156	=cut
		1157
		1158	sub ext_event($$%) {
		1159	my ($self, $type, %msg) = @_;
		1160
		1161	$self->ns->ext_event ($type, %msg);
1191	}	1162	}
1192		1163
1193	package cf;	1164	package cf;
1194		1165
1195	=back	1166	=back
…		…
1204	package cf::map;	1175	package cf::map;
1205		1176
1206	use Fcntl;	1177	use Fcntl;
1207	use Coro::AIO;	1178	use Coro::AIO;
1208		1179
		1180	use overload
		1181	'""' => \&as_string,
		1182	fallback => 1;
		1183
1209	our $MAX_RESET = 3600;	1184	our $MAX_RESET = 3600;
1210	our $DEFAULT_RESET = 3000;	1185	our $DEFAULT_RESET = 3000;
1211		1186
1212	sub generate_random_map {	1187	sub generate_random_map {
1213	my ($path, $rmp) = @_;	1188	my ($self, $rmp) = @_;
1214
1215	# mit "rum" bekleckern, nicht	1189	# mit "rum" bekleckern, nicht
1216	cf::map::_create_random_map	1190	$self->_create_random_map (
1217	$path,
1218	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1191	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1219	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1192	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1220	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1193	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1221	$rmp->{exit_on_final_map},	1194	$rmp->{exit_on_final_map},
1222	$rmp->{xsize}, $rmp->{ysize},	1195	$rmp->{xsize}, $rmp->{ysize},
1223	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1196	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1224	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1197	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1225	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1198	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1226	$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},
1227	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1200	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1228	(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
1229	}	1332	}
1230		1333
1231	# and all this just because we cannot iterate over	1334	# and all this just because we cannot iterate over
1232	# all maps in C++...	1335	# all maps in C++...
1233	sub change_all_map_light {	1336	sub change_all_map_light {
…		…
1235		1338
1236	$_->change_map_light ($change)	1339	$_->change_map_light ($change)
1237	for grep $_->outdoor, values %cf::MAP;	1340	for grep $_->outdoor, values %cf::MAP;
1238	}	1341	}
1239		1342
		1343	sub unlink_save {
		1344	my ($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
1240	sub try_load_header($) {	1351	sub load_header_from($) {
1241	my ($path) = @_;	1352	my ($self, $path) = @_;
1242		1353
1243	utf8::encode $path;	1354	utf8::encode $path;
1244	aio_open $path, O_RDONLY, 0	1355	#aio_open $path, O_RDONLY, 0
		1356	# or return;
		1357
		1358	$self->_load_header ($path)
1245	or return;	1359	or return;
1246		1360
1247	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
1248	or return;	1404	or return;
		1405	$self->prepare_orig;
		1406	}
1249		1407
1250	# for better error messages only, will be overwritten	1408	1
1251	$map->path ($path);
1252
1253	$map->load_header ($path)
1254	or return;
1255
1256	$map->{load_path} = $path;
1257
1258	$map
1259	}	1409	}
1260		1410
1261	sub find;	1411	sub find;
1262	sub find {	1412	sub find {
1263	my ($path, $origin) = @_;	1413	my ($path, $origin) = @_;
1264		1414
1265	#warn "find<$path,$origin>\n";#d#
1266
1267	$path = new cf::path $path, $origin && $origin->path;	1415	$path = normalise $path, $origin && $origin->path;
1268	my $key = $path->as_string;
1269		1416
1270	cf::lock_wait "map_find:$key";	1417	cf::lock_wait "map_find:$path";
1271		1418
1272	$cf::MAP{$key} || do {	1419	$cf::MAP{$path} || do {
1273	my $guard = cf::lock_acquire "map_find:$key";	1420	my $guard = cf::lock_acquire "map_find:$path";
1274		1421	my $map = new_from_path cf::map $path
1275	# do it the slow way
1276	my $map = try_load_header $path->save_path;
1277
1278	Coro::cede;
1279
1280	if ($map) {
1281	$map->last_access ((delete $map->{last_access})
1282	|| $cf::RUNTIME); #d#
1283	# safety
1284	$map->{instantiate_time} = $cf::RUNTIME
1285	if $map->{instantiate_time} > $cf::RUNTIME;
1286	} else {
1287	if (my $rmp = $path->random_map_params) {
1288	$map = generate_random_map $key, $rmp;
1289	} else {
1290	$map = try_load_header $path->load_path;
1291	}
1292
1293	$map or return;	1422	or return;
1294		1423
1295	$map->{load_original} = 1;
1296	$map->{instantiate_time} = $cf::RUNTIME;
1297	$map->last_access ($cf::RUNTIME);
1298	$map->instantiate;
1299
1300	# per-player maps become, after loading, normal maps
1301	$map->per_player (0) if $path->{user_rel};
1302	}
1303
1304	$map->path ($key);
1305	$map->{path} = $path;
1306	$map->{last_save} = $cf::RUNTIME;	1424	$map->{last_save} = $cf::RUNTIME;
1307		1425
1308	Coro::cede;	1426	$map->load_header
		1427	or return;
1309		1428
1310	if ($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;
1311	$map->reset;	1432	$map->reset;
1312	undef $guard;	1433	undef $guard;
1313	$map = find $path	1434	return find $path;
1314	or return;
1315	}	1435	}
1316		1436
1317	$cf::MAP{$key} = $map	1437	$cf::MAP{$path} = $map
1318	}	1438	}
1319	}	1439	}
		1440
		1441	sub pre_load { }
		1442	sub post_load { }
1320		1443
1321	sub load {	1444	sub load {
1322	my ($self) = @_;	1445	my ($self) = @_;
1323		1446
		1447	local $self->{deny_reset} = 1; # loading can take a long time
		1448
1324	my $path = $self->{path};	1449	my $path = $self->{path};
1325	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1450	my $guard = cf::lock_acquire "map_load:$path";
1326		1451
1327	return if $self->in_memory != cf::MAP_SWAPPED;	1452	return if $self->in_memory != cf::MAP_SWAPPED;
1328		1453
1329	$self->in_memory (cf::MAP_LOADING);	1454	$self->in_memory (cf::MAP_LOADING);
1330		1455
1331	$self->alloc;	1456	$self->alloc;
		1457
		1458	$self->pre_load;
		1459
1332	$self->load_objects ($self->{load_path}, 1)	1460	$self->_load_objects ($self->{load_path}, 1)
1333	or return;	1461	or return;
1334		1462
1335	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1463	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1336	if delete $self->{load_original};	1464	if delete $self->{load_original};
1337		1465
1338	if (my $uniq = $path->uniq_path) {	1466	if (my $uniq = $self->uniq_path) {
1339	utf8::encode $uniq;	1467	utf8::encode $uniq;
1340	if (aio_open $uniq, O_RDONLY, 0) {	1468	if (aio_open $uniq, O_RDONLY, 0) {
1341	$self->clear_unique_items;	1469	$self->clear_unique_items;
1342	$self->load_objects ($uniq, 0);	1470	$self->_load_objects ($uniq, 0);
1343	}	1471	}
1344	}	1472	}
1345		1473
1346	Coro::cede;	1474	Coro::cede;
1347		1475
1348	# now do the right thing for maps	1476	# now do the right thing for maps
1349	$self->link_multipart_objects;	1477	$self->link_multipart_objects;
1350		1478
1351	if ($self->{path}->is_style_map) {	1479	unless ($self->{deny_activate}) {
1352	$self->{deny_save} = 1;	1480	$self->decay_objects;
1353	$self->{deny_reset} = 1;
1354	} else {
1355	$self->fix_auto_apply;	1481	$self->fix_auto_apply;
1356	$self->decay_objects;
1357	$self->update_buttons;	1482	$self->update_buttons;
		1483	Coro::cede;
1358	$self->set_darkness_map;	1484	$self->set_darkness_map;
1359	$self->difficulty ($self->estimate_difficulty)	1485	$self->difficulty ($self->estimate_difficulty)
1360	unless $self->difficulty;	1486	unless $self->difficulty;
		1487	Coro::cede;
1361	$self->activate;	1488	$self->activate;
1362	}	1489	}
1363		1490
1364	Coro::cede;	1491	$self->post_load;
1365		1492
1366	$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	$neigh->load;
		1526	}
1367	}	1527	}
1368		1528
1369	sub find_sync {	1529	sub find_sync {
1370	my ($path, $origin) = @_;	1530	my ($path, $origin) = @_;
1371		1531
1372	cf::sync_job { cf::map::find $path, $origin }	1532	cf::sync_job { find $path, $origin }
1373	}	1533	}
1374		1534
1375	sub do_load_sync {	1535	sub do_load_sync {
1376	my ($map) = @_;	1536	my ($map) = @_;
1377		1537
1378	cf::sync_job { $map->load };	1538	cf::sync_job { $map->load };
1379	}	1539	}
1380		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	$MAP_PREFETCHER->prio (6);
		1567
		1568	()
		1569	}
		1570
1381	sub save {	1571	sub save {
1382	my ($self) = @_;	1572	my ($self) = @_;
1383		1573
1384	my $lock = cf::lock_acquire "map_data:" . $self->path;	1574	my $lock = cf::lock_acquire "map_data:" . $self->path;
1385		1575
1386	$self->{last_save} = $cf::RUNTIME;	1576	$self->{last_save} = $cf::RUNTIME;
1387		1577
1388	return unless $self->dirty;	1578	return unless $self->dirty;
1389		1579
1390	my $save = $self->{path}->save_path; utf8::encode $save;	1580	my $save = $self->save_path; utf8::encode $save;
1391	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1581	my $uniq = $self->uniq_path; utf8::encode $uniq;
1392		1582
1393	$self->{load_path} = $save;	1583	$self->{load_path} = $save;
1394		1584
1395	return if $self->{deny_save};	1585	return if $self->{deny_save};
1396		1586
…		…
1399	cf::async {	1589	cf::async {
1400	$_->contr->save for $self->players;	1590	$_->contr->save for $self->players;
1401	};	1591	};
1402		1592
1403	if ($uniq) {	1593	if ($uniq) {
1404	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1594	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1405	$self->save_objects ($uniq, cf::IO_UNIQUES);	1595	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1406	} else {	1596	} else {
1407	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1597	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1408	}	1598	}
1409	}	1599	}
1410		1600
1411	sub swap_out {	1601	sub swap_out {
1412	my ($self) = @_;	1602	my ($self) = @_;
…		…
1426		1616
1427	sub reset_at {	1617	sub reset_at {
1428	my ($self) = @_;	1618	my ($self) = @_;
1429		1619
1430	# TODO: safety, remove and allow resettable per-player maps	1620	# TODO: safety, remove and allow resettable per-player maps
1431	return 1e99 if $self->{path}{user_rel};	1621	return 1e99 if $self->isa ("ext::map_per_player");#d#
1432	return 1e99 if $self->{deny_reset};	1622	return 1e99 if $self->{deny_reset};
1433		1623
1434	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1624	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1435	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1625	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1436		1626
…		…
1441	my ($self) = @_;	1631	my ($self) = @_;
1442		1632
1443	$self->reset_at <= $cf::RUNTIME	1633	$self->reset_at <= $cf::RUNTIME
1444	}	1634	}
1445		1635
1446	sub unlink_save {
1447	my ($self) = @_;
1448
1449	utf8::encode (my $save = $self->{path}->save_path);
1450	aioreq_pri 3; IO::AIO::aio_unlink $save;
1451	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1452	}
1453
1454	sub rename {
1455	my ($self, $new_path) = @_;
1456
1457	$self->unlink_save;
1458
1459	delete $cf::MAP{$self->path};
1460	$self->{path} = new cf::path $new_path;
1461	$self->path ($self->{path}->as_string);
1462	$cf::MAP{$self->path} = $self;
1463
1464	$self->save;
1465	}
1466
1467	sub reset {	1636	sub reset {
1468	my ($self) = @_;	1637	my ($self) = @_;
1469		1638
1470	my $lock = cf::lock_acquire "map_data:" . $self->path;	1639	my $lock = cf::lock_acquire "map_data:$self->{path}";
1471		1640
1472	return if $self->players;	1641	return if $self->players;
1473	return if $self->{path}{user_rel};#d#	1642	return if $self->isa ("ext::map_per_player");#d#
1474		1643
1475	warn "resetting map ", $self->path;#d#	1644	warn "resetting map ", $self->path;#d#
1476		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
1477	delete $cf::MAP{$self->path};	1656	delete $cf::MAP{$self->path};
		1657
		1658	$self->clear;
1478		1659
1479	$_->clear_links_to ($self) for values %cf::MAP;	1660	$_->clear_links_to ($self) for values %cf::MAP;
1480		1661
1481	$self->unlink_save;	1662	$self->unlink_save;
1482	$self->destroy;	1663	$self->destroy;
…		…
1485	my $nuke_counter = "aaaa";	1666	my $nuke_counter = "aaaa";
1486		1667
1487	sub nuke {	1668	sub nuke {
1488	my ($self) = @_;	1669	my ($self) = @_;
1489		1670
		1671	delete $cf::MAP{$self->path};
		1672
		1673	$self->unlink_save;
		1674
		1675	bless $self, "cf::map";
		1676	delete $self->{deny_reset};
1490	$self->{deny_save} = 1;	1677	$self->{deny_save} = 1;
1491	$self->reset_timeout (1);	1678	$self->reset_timeout (1);
1492	$self->rename ("{nuke}/" . ($nuke_counter++));	1679	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1680
		1681	$cf::MAP{$self->path} = $self;
		1682
1493	$self->reset; # polite request, might not happen	1683	$self->reset; # polite request, might not happen
1494	}	1684	}
1495		1685
1496	sub customise_for {	1686	=item cf::map::unique_maps
1497	my ($map, $ob) = @_;
1498		1687
1499	if ($map->per_player) {	1688	Returns an arrayref of paths of all shared maps that have
1500	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1689	instantiated unique items. May block.
1501	}
1502		1690
1503	$map	1691	=cut
1504	}
1505		1692
1506	sub emergency_save {	1693	sub unique_maps() {
1507	my $freeze_guard = cf::freeze_mainloop;	1694	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1695	or return;
1508		1696
1509	warn "enter emergency perl save\n";	1697	my @paths;
1510		1698
1511	cf::sync_job {	1699	for (@$files) {
1512	warn "begin emergency player save\n";	1700	utf8::decode $_;
1513	$_->save for values %cf::PLAYER;	1701	next if /\.pst$/;
1514	warn "end emergency player save\n";	1702	next unless /^$PATH_SEP/o;
1515		1703
1516	warn "begin emergency map save\n";	1704	push @paths, cf::map::normalise $_;
1517	$_->save for values %cf::MAP;
1518	warn "end emergency map save\n";
1519	};	1705	}
1520		1706
1521	warn "leave emergency perl save\n";	1707	\@paths
1522	}	1708	}
1523		1709
1524	package cf;	1710	package cf;
1525		1711
1526	=back	1712	=back
1527		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
1528		1740
1529	=head3 cf::object::player	1741	=head3 cf::object::player
1530		1742
1531	=over 4	1743	=over 4
1532		1744
…		…
1572		1784
1573	=item $player_object->enter_link	1785	=item $player_object->enter_link
1574		1786
1575	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}>).
1576		1788
1577	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
1578	I<MUST> call C<leave_link> as soon as possible, though.	1790	I<MUST> call C<leave_link> as soon as possible, though.
1579		1791
		1792	Will never block.
		1793
1580	=item $player_object->leave_link ($map, $x, $y)	1794	=item $player_object->leave_link ($map, $x, $y)
1581		1795
1582	Moves the player out of the specila link map onto the given map. If the	1796	Moves the player out of the special C<{link}> map onto the specified
1583	map is not valid (or omitted), the player will be moved back to the	1797	map. If the map is not valid (or omitted), the player will be moved back
1584	location he/she was before the call to C<enter_link>, or, if that fails,	1798	to the location he/she was before the call to C<enter_link>, or, if that
1585	to the emergency map position.	1799	fails, to the emergency map position.
1586		1800
1587	Might block.	1801	Might block.
1588		1802
1589	=cut	1803	=cut
		1804
		1805	sub link_map {
		1806	unless ($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	$LINK_MAP
		1813	}
1590		1814
1591	sub cf::object::player::enter_link {	1815	sub cf::object::player::enter_link {
1592	my ($self) = @_;	1816	my ($self) = @_;
1593		1817
1594	$self->deactivate_recursive;	1818	$self->deactivate_recursive;
1595		1819
1596	return if $self->map == $LINK_MAP;	1820	return if UNIVERSAL::isa $self->map, "ext::map_link";
1597		1821
1598	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1822	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1599	if $self->map;	1823	if $self->map;
1600		1824
1601	$self->enter_map ($LINK_MAP, 20, 20);	1825	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1602	}	1826	}
1603		1827
1604	sub cf::object::player::leave_link {	1828	sub cf::object::player::leave_link {
1605	my ($self, $map, $x, $y) = @_;	1829	my ($self, $map, $x, $y) = @_;
1606		1830
…		…
1624	# use -1 or undef as default coordinates, not 0, 0	1848	# use -1 or undef as default coordinates, not 0, 0
1625	($x, $y) = ($map->enter_x, $map->enter_y)	1849	($x, $y) = ($map->enter_x, $map->enter_y)
1626	if $x <=0 && $y <= 0;	1850	if $x <=0 && $y <= 0;
1627		1851
1628	$map->load;	1852	$map->load;
		1853	$map->load_diag;
1629		1854
1630	return unless $self->contr->active;	1855	return unless $self->contr->active;
1631	$self->activate_recursive;	1856	$self->activate_recursive;
		1857
		1858	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1632	$self->enter_map ($map, $x, $y);	1859	$self->enter_map ($map, $x, $y);
1633	}	1860	}
1634		1861
1635	cf::player->attach (	1862	cf::player->attach (
1636	on_logout => sub {	1863	on_logout => sub {
…		…
1649	# try to abort aborted map switching on player login :)	1876	# try to abort aborted map switching on player login :)
1650	# should happen only on crashes	1877	# should happen only on crashes
1651	if ($pl->ob->{_link_pos}) {	1878	if ($pl->ob->{_link_pos}) {
1652	$pl->ob->enter_link;	1879	$pl->ob->enter_link;
1653	(async {	1880	(async {
1654	# we need this sleep as the login has a concurrent enter_exit running
1655	# and this sleep increases chances of the player not ending up in scorn
1656	$pl->ob->reply (undef,	1881	$pl->ob->reply (undef,
1657	"There was an internal problem at your last logout, "	1882	"There was an internal problem at your last logout, "
1658	. "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.",
1659	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
1660	Coro::Timer::sleep 1;	1887	Coro::Timer::sleep 1;
1661	$pl->ob->leave_link;	1888	$pl->ob->leave_link;
1662	})->prio (2);	1889	})->prio (2);
1663	}	1890	}
1664	},	1891	},
…		…
1672	my ($self, $path, $x, $y) = @_;	1899	my ($self, $path, $x, $y) = @_;
1673		1900
1674	$self->enter_link;	1901	$self->enter_link;
1675		1902
1676	(async {	1903	(async {
1677	$path = new cf::path $path;	1904	my $map = eval {
1678
1679	my $map = cf::map::find $path->as_string;	1905	my $map = cf::map::find $path;
1680	$map = $map->customise_for ($self) if $map;	1906	$map = $map->customise_for ($self) if $map;
1681		1907	$map
1682	# warn "entering ", $map->path, " at ($x, $y)\n"	1908	} or
1683	# if $map;
1684
1685	$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);
1686		1910
1687	$self->leave_link ($map, $x, $y);	1911	$self->leave_link ($map, $x, $y);
1688	})->prio (1);	1912	})->prio (1);
1689	}	1913	}
1690		1914
…		…
1694		1918
1695	sub parse_random_map_params {	1919	sub parse_random_map_params {
1696	my ($spec) = @_;	1920	my ($spec) = @_;
1697		1921
1698	my $rmp = { # defaults	1922	my $rmp = { # defaults
1699	xsize => 10,	1923	xsize => (cf::rndm 15, 40),
1700	ysize => 10,	1924	ysize => (cf::rndm 15, 40),
		1925	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1926	#layout => string,
1701	};	1927	};
1702		1928
1703	for (split /\n/, $spec) {	1929	for (split /\n/, $spec) {
1704	my ($k, $v) = split /\s+/, $_, 2;	1930	my ($k, $v) = split /\s+/, $_, 2;
1705		1931
…		…
1709	$rmp	1935	$rmp
1710	}	1936	}
1711		1937
1712	sub prepare_random_map {	1938	sub prepare_random_map {
1713	my ($exit) = @_;	1939	my ($exit) = @_;
		1940
		1941	my $guard = cf::lock_acquire "exit_prepare:$exit";
1714		1942
1715	# all this does is basically replace the /! path by	1943	# all this does is basically replace the /! path by
1716	# a new random map path (?random/...) with a seed	1944	# a new random map path (?random/...) with a seed
1717	# that depends on the exit object	1945	# that depends on the exit object
1718		1946
1719	my $rmp = parse_random_map_params $exit->msg;	1947	my $rmp = parse_random_map_params $exit->msg;
1720		1948
1721	if ($exit->map) {	1949	if ($exit->map) {
1722	$rmp->{region} = $exit->map->region_name;	1950	$rmp->{region} = $exit->region->name;
1723	$rmp->{origin_map} = $exit->map->path;	1951	$rmp->{origin_map} = $exit->map->path;
1724	$rmp->{origin_x} = $exit->x;	1952	$rmp->{origin_x} = $exit->x;
1725	$rmp->{origin_y} = $exit->y;	1953	$rmp->{origin_y} = $exit->y;
1726	}	1954	}
1727		1955
1728	$rmp->{random_seed} ||= $exit->random_seed;	1956	$rmp->{random_seed} ||= $exit->random_seed;
1729		1957
1730	my $data = cf::to_json $rmp;	1958	my $data = cf::to_json $rmp;
1731	my $md5 = Digest::MD5::md5_hex $data;	1959	my $md5 = Digest::MD5::md5_hex $data;
		1960	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1732		1961
1733	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) {
1734	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;
1735		1966
1736	$exit->slaying ("?random/$md5");	1967	$exit->slaying ("?random/$md5");
1737	$exit->msg (undef);	1968	$exit->msg (undef);
1738	}	1969	}
1739	}	1970	}
1740		1971
1741	sub cf::object::player::enter_exit {	1972	sub cf::object::player::enter_exit {
1742	my ($self, $exit) = @_;	1973	my ($self, $exit) = @_;
1743		1974
1744	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;
1745		1987
1746	$self->enter_link;	1988	$self->enter_link;
1747		1989
1748	(async {	1990	(async {
1749	$self->deactivate_recursive; # just to be sure	1991	$self->deactivate_recursive; # just to be sure
1750	unless (eval {	1992	unless (eval {
1751	prepare_random_map $exit	1993	$self->goto ($slaying, $hp, $sp);
1752	if $exit->slaying eq "/!";
1753
1754	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1755	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1756		1994
1757	1;	1995	1;
1758	}) {	1996	}) {
1759	$self->message ("Something went wrong deep within the crossfire server. "	1997	$self->message ("Something went wrong deep within the crossfire server. "
1760	. "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. "
1761	. "Please report this to the dungeon master",	1999	. "Please report this to the dungeon master!",
1762	cf::NDI_UNIQUE | cf::NDI_RED);	2000	cf::NDI_UNIQUE | cf::NDI_RED);
1763		2001
1764	warn "ERROR in enter_exit: $@";	2002	warn "ERROR in enter_exit: $@";
1765	$self->leave_link;	2003	$self->leave_link;
1766	}	2004	}
1767	})->prio (1);	2005	})->prio (1);
…		…
1780		2018
1781	sub cf::client::send_drawinfo {	2019	sub cf::client::send_drawinfo {
1782	my ($self, $text, $flags) = @_;	2020	my ($self, $text, $flags) = @_;
1783		2021
1784	utf8::encode $text;	2022	utf8::encode $text;
1785	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2023	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1786	}	2024	}
1787		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	}
1788		2038
1789	=item $success = $client->query ($flags, "text", \&cb)	2039	=item $success = $client->query ($flags, "text", \&cb)
1790		2040
1791	Queues a query to the client, calling the given callback with	2041	Queues a query to the client, calling the given callback with
1792	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>,
…		…
1821	# get handled first	2071	# get handled first
1822	my $queue = delete $ns->{query_queue}	2072	my $queue = delete $ns->{query_queue}
1823	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
1824		2074
1825	(shift @$queue)->[1]->($msg);	2075	(shift @$queue)->[1]->($msg);
		2076	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1826		2077
1827	push @{ $ns->{query_queue} }, @$queue;	2078	push @{ $ns->{query_queue} }, @$queue;
1828		2079
1829	if (@{ $ns->{query_queue} } == @$queue) {	2080	if (@{ $ns->{query_queue} } == @$queue) {
1830	if (@$queue) {	2081	if (@$queue) {
…		…
1888		2139
1889	# here we export the classes and methods available to script code	2140	# here we export the classes and methods available to script code
1890		2141
1891	=pod	2142	=pod
1892		2143
1893	The following fucntions and emthods are available within a safe environment:	2144	The following functions and methods are available within a safe environment:
1894		2145
1895	cf::object contr pay_amount pay_player map	2146	cf::object contr pay_amount pay_player map
1896	cf::object::player player	2147	cf::object::player player
1897	cf::player peaceful	2148	cf::player peaceful
1898	cf::map trigger	2149	cf::map trigger
…		…
1991	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
1992	using it, it should be unique.	2243	using it, it should be unique.
1993		2244
1994	=over 4	2245	=over 4
1995		2246
1996	=item $hashref = cf::db_get $family
1997
1998	Return a hashref for use by the extension C<$family>, which can be
1999	modified. After modifications, you have to call C<cf::db_dirty> or
2000	C<cf::db_sync>.
2001
2002	=item $value = cf::db_get $family => $key	2247	=item $value = cf::db_get $family => $key
2003		2248
2004	Returns a single value from the database	2249	Returns a single value from the database.
2005
2006	=item cf::db_put $family => $hashref
2007
2008	Stores the given family hashref into the database. Updates are delayed, if
2009	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2010		2250
2011	=item cf::db_put $family => $key => $value	2251	=item cf::db_put $family => $key => $value
2012		2252
2013	Stores the given C<$value> in the family hash. Updates are delayed, if you	2253	Stores the given C<$value> in the family.
2014	want the data to be synced to disk immediately, use C<cf::db_sync>.
2015
2016	=item cf::db_dirty
2017
2018	Marks the database as dirty, to be updated at a later time.
2019
2020	=item cf::db_sync
2021
2022	Immediately write the database to disk I<if it is dirty>.
2023		2254
2024	=cut	2255	=cut
2025		2256
2026	our $DB;	2257	our $DB;
2027		2258
2028	{	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
2029	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;
2030		2278
2031	sub db_load() {	2279	cf::db_put (board => data => $pst->{board});
2032	$DB = stat $path ? Storable::retrieve $path : { };	2280	cf::db_put (guildrules => data => $pst->{guildrules});
2033	}	2281	cf::db_put (rent => balance => $pst->{rent}{balance});
		2282	BDB::db_env_txn_checkpoint $DB_ENV;
2034		2283
2035	my $pid;	2284	unlink $path;
2036
2037	sub db_save() {
2038	waitpid $pid, 0 if $pid;
2039	if (0 == ($pid = fork)) {
2040	$DB->{_meta}{version} = 1;
2041	Storable::nstore $DB, "$path~";
2042	rename "$path~", $path;
2043	cf::_exit 0 if defined $pid;
2044	}	2285	};
2045	}
2046
2047	my $dirty;
2048
2049	sub db_sync() {
2050	db_save if $dirty;
2051	undef $dirty;
2052	}
2053
2054	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2055	db_sync;
2056	});
2057
2058	sub db_dirty() {
2059	$dirty = 1;
2060	$idle->start;
2061	}
2062
2063	sub db_get($;$) {
2064	@_ >= 2
2065	? $DB->{$_[0]}{$_[1]}
2066	: ($DB->{$_[0]} ||= { })
2067	}
2068
2069	sub db_put($$;$) {
2070	if (@_ >= 3) {
2071	$DB->{$_[0]}{$_[1]} = $_[2];
2072	} else {
2073	$DB->{$_[0]} = $_[1];
2074	}
2075	db_dirty;
2076	}
2077
2078	cf::global->attach (
2079	prio => 10000,
2080	on_cleanup => sub {
2081	db_sync;
2082	},	2286	}
2083	);	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 { };
2084	}	2304	}
2085		2305
2086	#############################################################################	2306	#############################################################################
2087	# 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	}
2088		2371
2089	sub cfg_load {	2372	sub cfg_load {
2090	open my $fh, "<:utf8", cf::confdir . "/config"	2373	open my $fh, "<:utf8", cf::confdir . "/config"
2091	or return;	2374	or return;
2092		2375
…		…
2109		2392
2110	sub main {	2393	sub main {
2111	# we must not ever block the main coroutine	2394	# we must not ever block the main coroutine
2112	local $Coro::idle = sub {	2395	local $Coro::idle = sub {
2113	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 {
2114	async { Event::one_event };	2398	Event::one_event;
		2399	})->prio (Coro::PRIO_MAX);
2115	};	2400	};
2116		2401
2117	cfg_load;	2402	cfg_load;
2118	db_load;	2403	db_init;
2119	load_extensions;	2404	load_extensions;
		2405
		2406	$TICK_WATCHER->start;
2120	Event::loop;	2407	Event::loop;
2121	}	2408	}
2122		2409
2123	#############################################################################	2410	#############################################################################
2124	# 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 $make_core;
		2466	}
2125		2467
2126	sub reload() {	2468	sub reload() {
2127	# can/must only be called in main	2469	# can/must only be called in main
2128	if ($Coro::current != $Coro::main) {	2470	if ($Coro::current != $Coro::main) {
2129	warn "can only reload from main coroutine\n";	2471	warn "can only reload from main coroutine";
2130	return;	2472	return;
2131	}	2473	}
2132		2474
2133	warn "reloading...";	2475	warn "reloading...";
2134		2476
2135	my $guard = freeze_mainloop;	2477	warn "entering sync_job";
		2478
		2479	cf::sync_job {
		2480	cf::write_runtime; # external watchdog should not bark
2136	cf::emergency_save;	2481	cf::emergency_save;
		2482	cf::write_runtime; # external watchdog should not bark
2137		2483
2138	eval {	2484	warn "syncing database to disk";
		2485	BDB::db_env_txn_checkpoint $DB_ENV;
		2486
2139	# 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
2140		2488
2141	# cancel all watchers	2489	warn "cancelling all WF_AUTOCANCEL watchers";
2142	for (Event::all_watchers) {	2490	for (Event::all_watchers) {
2143	$_->cancel if $_->data & WF_AUTOCANCEL;	2491	$_->cancel if $_->data & WF_AUTOCANCEL;
2144	}	2492	}
2145		2493
		2494	warn "flushing outstanding aio requests";
		2495	for (;;) {
		2496	BDB::flush;
		2497	IO::AIO::flush;
		2498	Coro::cede;
		2499	last unless IO::AIO::nreqs || BDB::nreqs;
		2500	warn "iterate...";
		2501	}
		2502
		2503	++$RELOAD;
		2504
2146	# cancel all extension coros	2505	warn "cancelling all extension coros";
2147	$_->cancel for values %EXT_CORO;	2506	$_->cancel for values %EXT_CORO;
2148	%EXT_CORO = ();	2507	%EXT_CORO = ();
2149		2508
2150	# unload all extensions	2509	warn "removing commands";
2151	for (@exts) {	2510	%COMMAND = ();
		2511
		2512	warn "removing ext commands";
		2513	%EXTCMD = ();
		2514
		2515	warn "unloading/nuking all extensions";
		2516	for my $pkg (@EXTS) {
2152	warn "unloading <$_>";	2517	warn "... unloading $pkg";
2153	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: $@";
2154	}	2524	}
2155		2525
		2526	warn "... nuking $pkg";
		2527	Symbol::delete_package $pkg;
		2528	}
		2529
2156	# unload all modules loaded from $LIBDIR	2530	warn "unloading all perl modules loaded from $LIBDIR";
2157	while (my ($k, $v) = each %INC) {	2531	while (my ($k, $v) = each %INC) {
2158	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2532	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2159		2533
2160	warn "removing <$k>";	2534	warn "... unloading $k";
2161	delete $INC{$k};	2535	delete $INC{$k};
2162		2536
2163	$k =~ s/\.pm$//;	2537	$k =~ s/\.pm$//;
2164	$k =~ s/\//::/g;	2538	$k =~ s/\//::/g;
2165		2539
…		…
2168	}	2542	}
2169		2543
2170	Symbol::delete_package $k;	2544	Symbol::delete_package $k;
2171	}	2545	}
2172		2546
2173	# sync database to disk
2174	cf::db_sync;
2175	IO::AIO::flush;
2176
2177	# get rid of safe::, as good as possible	2547	warn "getting rid of safe::, as good as possible";
2178	Symbol::delete_package "safe::$_"	2548	Symbol::delete_package "safe::$_"
2179	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);
2180		2550
2181	# remove register_script_function callbacks
2182	# TODO
2183
2184	# unload cf.pm "a bit"	2551	warn "unloading cf.pm \"a bit\"";
2185	delete $INC{"cf.pm"};	2552	delete $INC{"cf.pm"};
2186		2553
2187	# don't, removes xs symbols, too,	2554	# don't, removes xs symbols, too,
2188	# and global variables created in xs	2555	# and global variables created in xs
2189	#Symbol::delete_package __PACKAGE__;	2556	#Symbol::delete_package __PACKAGE__;
2190		2557
2191	# reload cf.pm	2558	warn "unload completed, starting to reload now";
		2559
2192	warn "reloading cf.pm";	2560	warn "reloading cf.pm";
2193	require cf;	2561	require cf;
2194	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2195		2563
2196	# load config and database again	2564	warn "loading config and database again";
2197	cf::cfg_load;	2565	cf::cfg_load;
2198	cf::db_load;
2199		2566
2200	# load extensions
2201	warn "load extensions";	2567	warn "loading extensions";
2202	cf::load_extensions;	2568	cf::load_extensions;
2203		2569
2204	# reattach attachments to objects	2570	warn "reattaching attachments to objects/players";
2205	warn "reattach";	2571	_global_reattach; # objects, sockets
2206	_global_reattach;	2572	warn "reattaching attachments to maps";
2207	reattach $_ for values %MAP;	2573	reattach $_ for values %MAP;
2208	};	2574	warn "reattaching attachments to players";
		2575	reattach $_ for values %PLAYER;
2209		2576
2210	if ($@) {	2577	warn "loading reloadable resources";
		2578	reload_resources;
		2579
		2580	warn "leaving sync_job";
		2581
		2582	1
		2583	} or do {
2211	warn $@;	2584	warn $@;
2212	warn "error while reloading, exiting.";	2585	warn "error while reloading, exiting.";
2213	exit 1;	2586	exit 1;
2214	}	2587	};
2215		2588
2216	warn "reloaded successfully";	2589	warn "reloaded";
2217	};	2590	};
2218		2591
2219	#############################################################################	2592	our $RELOAD_WATCHER; # used only during reload
2220
2221	unless ($LINK_MAP) {
2222	$LINK_MAP = cf::map::new;
2223
2224	$LINK_MAP->width (41);
2225	$LINK_MAP->height (41);
2226	$LINK_MAP->alloc;
2227	$LINK_MAP->path ("{link}");
2228	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2229	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2230
2231	# dirty hack because... archetypes are not yet loaded
2232	Event->timer (
2233	after => 10,
2234	cb => sub {
2235	$_[0]->w->cancel;
2236
2237	# provide some exits "home"
2238	my $exit = cf::object::new "exit";
2239
2240	$exit->slaying ($EMERGENCY_POSITION->[0]);
2241	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2242	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2243
2244	$LINK_MAP->insert ($exit->clone, 19, 19);
2245	$LINK_MAP->insert ($exit->clone, 19, 20);
2246	$LINK_MAP->insert ($exit->clone, 19, 21);
2247	$LINK_MAP->insert ($exit->clone, 20, 19);
2248	$LINK_MAP->insert ($exit->clone, 20, 21);
2249	$LINK_MAP->insert ($exit->clone, 21, 19);
2250	$LINK_MAP->insert ($exit->clone, 21, 20);
2251	$LINK_MAP->insert ($exit->clone, 21, 21);
2252
2253	$exit->destroy;
2254	});
2255
2256	$LINK_MAP->{deny_save} = 1;
2257	$LINK_MAP->{deny_reset} = 1;
2258
2259	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2260	}
2261
2262	register "<global>", __PACKAGE__;
2263		2593
2264	register_command "reload" => sub {	2594	register_command "reload" => sub {
2265	my ($who, $arg) = @_;	2595	my ($who, $arg) = @_;
2266		2596
2267	if ($who->flag (FLAG_WIZ)) {	2597	if ($who->flag (FLAG_WIZ)) {
2268	$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 {
2269	reload;	2608	reload;
2270	$who->message ("end of reload.");	2609	undef $RELOAD_WATCHER;
		2610	},
		2611	);
2271	}	2612	}
2272	};	2613	};
2273		2614
2274	unshift @INC, $LIBDIR;	2615	unshift @INC, $LIBDIR;
		2616
		2617	my $bug_warning = 0;
2275		2618
2276	$TICK_WATCHER = Event->timer (	2619	$TICK_WATCHER = Event->timer (
2277	reentrant => 0,	2620	reentrant => 0,
		2621	parked => 1,
2278	prio => 0,	2622	prio => 0,
2279	at => $NEXT_TICK || $TICK,	2623	at => $NEXT_TICK || $TICK,
2280	data => WF_AUTOCANCEL,	2624	data => WF_AUTOCANCEL,
2281	cb => sub {	2625	cb => sub {
		2626	if ($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
2282	cf::server_tick; # one server iteration	2634	cf::server_tick; # one server iteration
2283	$RUNTIME += $TICK;	2635	$RUNTIME += $TICK;
2284	$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#
2285		2651
2286	# 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
2287	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2288		2654
2289	$TICK_WATCHER->at ($NEXT_TICK);	2655	$TICK_WATCHER->at ($NEXT_TICK);
2290	$TICK_WATCHER->start;	2656	$TICK_WATCHER->start;
2291	},	2657	},
2292	);	2658	);
2293		2659
		2660	{
2294	IO::AIO::max_poll_time $TICK * 0.2;	2661	BDB::max_poll_time $TICK * 0.1;
2295		2662	$BDB_POLL_WATCHER = Event->io (
2296	Event->io (	2663	reentrant => 0,
2297	fd => IO::AIO::poll_fileno,	2664	fd => BDB::poll_fileno,
2298	poll => 'r',	2665	poll => 'r',
2299	prio => 5,	2666	prio => 0,
2300	data => WF_AUTOCANCEL,
2301	cb => \&IO::AIO::poll_cb,
2302	);
2303
2304	Event->timer (
2305	data => WF_AUTOCANCEL,	2667	data => WF_AUTOCANCEL,
2306	after => 0,	2668	cb => \&BDB::poll_cb,
2307	interval => 10,	2669	);
2308	cb => sub {	2670	BDB::min_parallel 8;
2309	(Coro::unblock_sub {	2671
2310	write_runtime	2672	BDB::set_sync_prepare {
2311	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 $@;
2312	})->();	2706	};
2313	},	2707	}
2314	);	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	}
2315		2724
2316	END { cf::emergency_save }	2725	END { cf::emergency_save }
2317		2726
2318	1	2727	1
2319		2728

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