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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.151 by root, Mon Jan 8 20:59:15 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{$_[0]} || do {	992	$cf::PLAYER{$_[0]} || do {
		993	# rename old playerfiles to new ones
		994	#TODO: remove when no longer required
		995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		997	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		998	aio_unlink +(playerdir $login) . "/$login.pl";
		999
1125	my $pl = load_pl path $login	1000	my $pl = load_pl path $login
1126	or return;	1001	or return;
1127	$cf::PLAYER{$login} = $pl	1002	$cf::PLAYER{$login} = $pl
1128	}	1003	}
1129	}	1004	}
…		…
1137	my $path = path $pl;	1012	my $path = path $pl;
1138	my $guard = cf::lock_acquire "user_save:$path";	1013	my $guard = cf::lock_acquire "user_save:$path";
1139		1014
1140	return if $pl->{deny_save};	1015	return if $pl->{deny_save};
1141		1016
1142	Coro::AIO::aio_mkdir playerdir $pl, 0770;	1017	aio_mkdir playerdir $pl, 0770;
1143	$pl->{last_save} = $cf::RUNTIME;	1018	$pl->{last_save} = $cf::RUNTIME;
1144		1019
1145	$pl->save_pl ($path);	1020	$pl->save_pl ($path);
1146	Coro::cede;	1021	Coro::cede;
1147	}	1022	}
…		…
1157	$cf::PLAYER{$login} = $self;	1032	$cf::PLAYER{$login} = $self;
1158		1033
1159	$self	1034	$self
1160	}	1035	}
1161		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
1162	sub quit_character {	1044	sub quit_character {
1163	my ($pl) = @_;	1045	my ($pl) = @_;
		1046
		1047	my $name = $pl->ob->name;
1164		1048
1165	$pl->{deny_save} = 1;	1049	$pl->{deny_save} = 1;
1166	$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
1167		1051
1168	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1170	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1171	$pl->ns->destroy if $pl->ns;	1055	$pl->ns->destroy if $pl->ns;
1172		1056
1173	my $path = playerdir $pl;	1057	my $path = playerdir $pl;
1174	my $temp = "$path~$cf::RUNTIME~deleting~";	1058	my $temp = "$path~$cf::RUNTIME~deleting~";
1175	Coro::AIO::aio_rename $path, $temp;	1059	aio_rename $path, $temp;
1176	delete $cf::PLAYER{$pl->ob->name};	1060	delete $cf::PLAYER{$pl->ob->name};
1177	$pl->destroy;	1061	$pl->destroy;
		1062
		1063	my $prefix = qr<^~\Q$name\E/>;
		1064
		1065	# nuke player maps
		1066	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1067
1178	IO::AIO::aio_rmtree $temp;	1068	IO::AIO::aio_rmtree $temp;
1179	}	1069	}
1180		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;
		1105	}
		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
1181	=item $player->ext_reply ($msgid, $msgtype, %msg)	1138	=item $player->ext_reply ($msgid, %msg)
1182		1139
1183	Sends an ext reply to the player.	1140	Sends an ext reply to the player.
1184		1141
1185	=cut	1142	=cut
1186		1143
1187	sub ext_reply($$$%) {	1144	sub ext_reply($$%) {
1188	my ($self, $id, %msg) = @_;	1145	my ($self, $id, %msg) = @_;
1189		1146
1190	$msg{msgid} = $id;	1147	$msg{msgid} = $id;
1191		1148
1192	$self->send ("ext " . cf::to_json \%msg);	1149	$self->send ("ext " . cf::to_json \%msg);
		1150	}
		1151
		1152	=item $player->ext_event ($type, %msg)
		1153
		1154	Sends an ext event to the client.
		1155
		1156	=cut
		1157
		1158	sub ext_event($$%) {
		1159	my ($self, $type, %msg) = @_;
		1160
		1161	$self->ns->ext_event ($type, %msg);
1193	}	1162	}
1194		1163
1195	package cf;	1164	package cf;
1196		1165
1197	=back	1166	=back
…		…
1206	package cf::map;	1175	package cf::map;
1207		1176
1208	use Fcntl;	1177	use Fcntl;
1209	use Coro::AIO;	1178	use Coro::AIO;
1210		1179
		1180	use overload
		1181	'""' => \&as_string,
		1182	fallback => 1;
		1183
1211	our $MAX_RESET = 3600;	1184	our $MAX_RESET = 3600;
1212	our $DEFAULT_RESET = 3000;	1185	our $DEFAULT_RESET = 3000;
1213		1186
1214	sub generate_random_map {	1187	sub generate_random_map {
1215	my ($path, $rmp) = @_;	1188	my ($self, $rmp) = @_;
1216
1217	# mit "rum" bekleckern, nicht	1189	# mit "rum" bekleckern, nicht
1218	cf::map::_create_random_map	1190	$self->_create_random_map (
1219	$path,
1220	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1191	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1221	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1192	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1222	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1193	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1223	$rmp->{exit_on_final_map},	1194	$rmp->{exit_on_final_map},
1224	$rmp->{xsize}, $rmp->{ysize},	1195	$rmp->{xsize}, $rmp->{ysize},
1225	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1196	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1226	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1197	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1227	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1198	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1228	$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},
1229	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1200	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1230	(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
1231	}	1332	}
1232		1333
1233	# and all this just because we cannot iterate over	1334	# and all this just because we cannot iterate over
1234	# all maps in C++...	1335	# all maps in C++...
1235	sub change_all_map_light {	1336	sub change_all_map_light {
…		…
1237		1338
1238	$_->change_map_light ($change)	1339	$_->change_map_light ($change)
1239	for grep $_->outdoor, values %cf::MAP;	1340	for grep $_->outdoor, values %cf::MAP;
1240	}	1341	}
1241		1342
		1343	sub unlink_save {
		1344	my ($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
1242	sub try_load_header($) {	1351	sub load_header_from($) {
1243	my ($path) = @_;	1352	my ($self, $path) = @_;
1244		1353
1245	utf8::encode $path;	1354	utf8::encode $path;
1246	aio_open $path, O_RDONLY, 0	1355	#aio_open $path, O_RDONLY, 0
		1356	# or return;
		1357
		1358	$self->_load_header ($path)
1247	or return;	1359	or return;
1248		1360
1249	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
1250	or return;	1404	or return;
		1405	$self->prepare_orig;
		1406	}
1251		1407
1252	# for better error messages only, will be overwritten	1408	1
1253	$map->path ($path);
1254
1255	$map->load_header ($path)
1256	or return;
1257
1258	$map->{load_path} = $path;
1259
1260	$map
1261	}	1409	}
1262		1410
1263	sub find;	1411	sub find;
1264	sub find {	1412	sub find {
1265	my ($path, $origin) = @_;	1413	my ($path, $origin) = @_;
1266		1414
1267	#warn "find<$path,$origin>\n";#d#
1268
1269	$path = new cf::path $path, $origin && $origin->path;	1415	$path = normalise $path, $origin && $origin->path;
1270	my $key = $path->as_string;
1271		1416
1272	cf::lock_wait "map_find:$key";	1417	cf::lock_wait "map_find:$path";
1273		1418
1274	$cf::MAP{$key} || do {	1419	$cf::MAP{$path} || do {
1275	my $guard = cf::lock_acquire "map_find:$key";	1420	my $guard = cf::lock_acquire "map_find:$path";
1276		1421	my $map = new_from_path cf::map $path
1277	# do it the slow way
1278	my $map = try_load_header $path->save_path;
1279
1280	Coro::cede;
1281
1282	if ($map) {
1283	$map->last_access ((delete $map->{last_access})
1284	|| $cf::RUNTIME); #d#
1285	# safety
1286	$map->{instantiate_time} = $cf::RUNTIME
1287	if $map->{instantiate_time} > $cf::RUNTIME;
1288	} else {
1289	if (my $rmp = $path->random_map_params) {
1290	$map = generate_random_map $key, $rmp;
1291	} else {
1292	$map = try_load_header $path->load_path;
1293	}
1294
1295	$map or return;	1422	or return;
1296		1423
1297	$map->{load_original} = 1;
1298	$map->{instantiate_time} = $cf::RUNTIME;
1299	$map->last_access ($cf::RUNTIME);
1300	$map->instantiate;
1301
1302	# per-player maps become, after loading, normal maps
1303	$map->per_player (0) if $path->{user_rel};
1304	}
1305
1306	$map->path ($key);
1307	$map->{path} = $path;
1308	$map->{last_save} = $cf::RUNTIME;	1424	$map->{last_save} = $cf::RUNTIME;
1309		1425
1310	Coro::cede;	1426	$map->load_header
		1427	or return;
1311		1428
1312	if ($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;
1313	$map->reset;	1432	$map->reset;
1314	undef $guard;	1433	undef $guard;
1315	$map = find $path	1434	return find $path;
1316	or return;
1317	}	1435	}
1318		1436
1319	$cf::MAP{$key} = $map	1437	$cf::MAP{$path} = $map
1320	}	1438	}
1321	}	1439	}
		1440
		1441	sub pre_load { }
		1442	sub post_load { }
1322		1443
1323	sub load {	1444	sub load {
1324	my ($self) = @_;	1445	my ($self) = @_;
1325		1446
		1447	local $self->{deny_reset} = 1; # loading can take a long time
		1448
1326	my $path = $self->{path};	1449	my $path = $self->{path};
1327	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1450	my $guard = cf::lock_acquire "map_load:$path";
1328		1451
1329	return if $self->in_memory != cf::MAP_SWAPPED;	1452	return if $self->in_memory != cf::MAP_SWAPPED;
1330		1453
1331	$self->in_memory (cf::MAP_LOADING);	1454	$self->in_memory (cf::MAP_LOADING);
1332		1455
1333	$self->alloc;	1456	$self->alloc;
		1457
		1458	$self->pre_load;
		1459
1334	$self->load_objects ($self->{load_path}, 1)	1460	$self->_load_objects ($self->{load_path}, 1)
1335	or return;	1461	or return;
1336		1462
1337	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1463	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1338	if delete $self->{load_original};	1464	if delete $self->{load_original};
1339		1465
1340	if (my $uniq = $path->uniq_path) {	1466	if (my $uniq = $self->uniq_path) {
1341	utf8::encode $uniq;	1467	utf8::encode $uniq;
1342	if (aio_open $uniq, O_RDONLY, 0) {	1468	if (aio_open $uniq, O_RDONLY, 0) {
1343	$self->clear_unique_items;	1469	$self->clear_unique_items;
1344	$self->load_objects ($uniq, 0);	1470	$self->_load_objects ($uniq, 0);
1345	}	1471	}
1346	}	1472	}
1347		1473
1348	Coro::cede;	1474	Coro::cede;
1349		1475
1350	# now do the right thing for maps	1476	# now do the right thing for maps
1351	$self->link_multipart_objects;	1477	$self->link_multipart_objects;
1352		1478
1353	if ($self->{path}->is_style_map) {	1479	unless ($self->{deny_activate}) {
1354	$self->{deny_save} = 1;	1480	$self->decay_objects;
1355	$self->{deny_reset} = 1;
1356	} else {
1357	$self->fix_auto_apply;	1481	$self->fix_auto_apply;
1358	$self->decay_objects;
1359	$self->update_buttons;	1482	$self->update_buttons;
		1483	Coro::cede;
1360	$self->set_darkness_map;	1484	$self->set_darkness_map;
1361	$self->difficulty ($self->estimate_difficulty)	1485	$self->difficulty ($self->estimate_difficulty)
1362	unless $self->difficulty;	1486	unless $self->difficulty;
		1487	Coro::cede;
1363	$self->activate;	1488	$self->activate;
1364	}	1489	}
1365		1490
1366	Coro::cede;	1491	$self->post_load;
1367		1492
1368	$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	$neigh->load;
		1526	}
1369	}	1527	}
1370		1528
1371	sub find_sync {	1529	sub find_sync {
1372	my ($path, $origin) = @_;	1530	my ($path, $origin) = @_;
1373		1531
1374	cf::sync_job { cf::map::find $path, $origin }	1532	cf::sync_job { find $path, $origin }
1375	}	1533	}
1376		1534
1377	sub do_load_sync {	1535	sub do_load_sync {
1378	my ($map) = @_;	1536	my ($map) = @_;
1379		1537
1380	cf::sync_job { $map->load };	1538	cf::sync_job { $map->load };
1381	}	1539	}
1382		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	$MAP_PREFETCHER->prio (6);
		1567
		1568	()
		1569	}
		1570
1383	sub save {	1571	sub save {
1384	my ($self) = @_;	1572	my ($self) = @_;
1385		1573
1386	my $lock = cf::lock_acquire "map_data:" . $self->path;	1574	my $lock = cf::lock_acquire "map_data:" . $self->path;
1387		1575
1388	$self->{last_save} = $cf::RUNTIME;	1576	$self->{last_save} = $cf::RUNTIME;
1389		1577
1390	return unless $self->dirty;	1578	return unless $self->dirty;
1391		1579
1392	my $save = $self->{path}->save_path; utf8::encode $save;	1580	my $save = $self->save_path; utf8::encode $save;
1393	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1581	my $uniq = $self->uniq_path; utf8::encode $uniq;
1394		1582
1395	$self->{load_path} = $save;	1583	$self->{load_path} = $save;
1396		1584
1397	return if $self->{deny_save};	1585	return if $self->{deny_save};
1398		1586
…		…
1401	cf::async {	1589	cf::async {
1402	$_->contr->save for $self->players;	1590	$_->contr->save for $self->players;
1403	};	1591	};
1404		1592
1405	if ($uniq) {	1593	if ($uniq) {
1406	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1594	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1407	$self->save_objects ($uniq, cf::IO_UNIQUES);	1595	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1408	} else {	1596	} else {
1409	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1597	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1410	}	1598	}
1411	}	1599	}
1412		1600
1413	sub swap_out {	1601	sub swap_out {
1414	my ($self) = @_;	1602	my ($self) = @_;
…		…
1428		1616
1429	sub reset_at {	1617	sub reset_at {
1430	my ($self) = @_;	1618	my ($self) = @_;
1431		1619
1432	# TODO: safety, remove and allow resettable per-player maps	1620	# TODO: safety, remove and allow resettable per-player maps
1433	return 1e99 if $self->{path}{user_rel};	1621	return 1e99 if $self->isa ("ext::map_per_player");#d#
1434	return 1e99 if $self->{deny_reset};	1622	return 1e99 if $self->{deny_reset};
1435		1623
1436	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1624	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1437	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1625	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1438		1626
…		…
1443	my ($self) = @_;	1631	my ($self) = @_;
1444		1632
1445	$self->reset_at <= $cf::RUNTIME	1633	$self->reset_at <= $cf::RUNTIME
1446	}	1634	}
1447		1635
1448	sub unlink_save {
1449	my ($self) = @_;
1450
1451	utf8::encode (my $save = $self->{path}->save_path);
1452	aioreq_pri 3; IO::AIO::aio_unlink $save;
1453	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1454	}
1455
1456	sub rename {
1457	my ($self, $new_path) = @_;
1458
1459	$self->unlink_save;
1460
1461	delete $cf::MAP{$self->path};
1462	$self->{path} = new cf::path $new_path;
1463	$self->path ($self->{path}->as_string);
1464	$cf::MAP{$self->path} = $self;
1465
1466	$self->save;
1467	}
1468
1469	sub reset {	1636	sub reset {
1470	my ($self) = @_;	1637	my ($self) = @_;
1471		1638
1472	my $lock = cf::lock_acquire "map_data:" . $self->path;	1639	my $lock = cf::lock_acquire "map_data:$self->{path}";
1473		1640
1474	return if $self->players;	1641	return if $self->players;
1475	return if $self->{path}{user_rel};#d#	1642	return if $self->isa ("ext::map_per_player");#d#
1476		1643
1477	warn "resetting map ", $self->path;#d#	1644	warn "resetting map ", $self->path;#d#
1478		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
1479	delete $cf::MAP{$self->path};	1656	delete $cf::MAP{$self->path};
		1657
		1658	$self->clear;
1480		1659
1481	$_->clear_links_to ($self) for values %cf::MAP;	1660	$_->clear_links_to ($self) for values %cf::MAP;
1482		1661
1483	$self->unlink_save;	1662	$self->unlink_save;
1484	$self->destroy;	1663	$self->destroy;
…		…
1487	my $nuke_counter = "aaaa";	1666	my $nuke_counter = "aaaa";
1488		1667
1489	sub nuke {	1668	sub nuke {
1490	my ($self) = @_;	1669	my ($self) = @_;
1491		1670
		1671	delete $cf::MAP{$self->path};
		1672
		1673	$self->unlink_save;
		1674
		1675	bless $self, "cf::map";
		1676	delete $self->{deny_reset};
1492	$self->{deny_save} = 1;	1677	$self->{deny_save} = 1;
1493	$self->reset_timeout (1);	1678	$self->reset_timeout (1);
1494	$self->rename ("{nuke}/" . ($nuke_counter++));	1679	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1680
		1681	$cf::MAP{$self->path} = $self;
		1682
1495	$self->reset; # polite request, might not happen	1683	$self->reset; # polite request, might not happen
1496	}	1684	}
1497		1685
1498	sub customise_for {	1686	=item cf::map::unique_maps
1499	my ($map, $ob) = @_;
1500		1687
1501	if ($map->per_player) {	1688	Returns an arrayref of paths of all shared maps that have
1502	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1689	instantiated unique items. May block.
1503	}
1504		1690
1505	$map	1691	=cut
1506	}
1507		1692
1508	sub emergency_save {	1693	sub unique_maps() {
1509	my $freeze_guard = cf::freeze_mainloop;	1694	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1695	or return;
1510		1696
1511	warn "enter emergency perl save\n";	1697	my @paths;
1512		1698
1513	cf::sync_job {	1699	for (@$files) {
1514	warn "begin emergency player save\n";	1700	utf8::decode $_;
1515	$_->save for values %cf::PLAYER;	1701	next if /\.pst$/;
1516	warn "end emergency player save\n";	1702	next unless /^$PATH_SEP/o;
1517		1703
1518	warn "begin emergency map save\n";	1704	push @paths, cf::map::normalise $_;
1519	$_->save for values %cf::MAP;
1520	warn "end emergency map save\n";
1521	};	1705	}
1522		1706
1523	warn "leave emergency perl save\n";	1707	\@paths
1524	}	1708	}
1525		1709
1526	package cf;	1710	package cf;
1527		1711
1528	=back	1712	=back
1529		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
1530		1740
1531	=head3 cf::object::player	1741	=head3 cf::object::player
1532		1742
1533	=over 4	1743	=over 4
1534		1744
…		…
1574		1784
1575	=item $player_object->enter_link	1785	=item $player_object->enter_link
1576		1786
1577	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}>).
1578		1788
1579	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
1580	I<MUST> call C<leave_link> as soon as possible, though.	1790	I<MUST> call C<leave_link> as soon as possible, though.
1581		1791
		1792	Will never block.
		1793
1582	=item $player_object->leave_link ($map, $x, $y)	1794	=item $player_object->leave_link ($map, $x, $y)
1583		1795
1584	Moves the player out of the specila link map onto the given map. If the	1796	Moves the player out of the special C<{link}> map onto the specified
1585	map is not valid (or omitted), the player will be moved back to the	1797	map. If the map is not valid (or omitted), the player will be moved back
1586	location he/she was before the call to C<enter_link>, or, if that fails,	1798	to the location he/she was before the call to C<enter_link>, or, if that
1587	to the emergency map position.	1799	fails, to the emergency map position.
1588		1800
1589	Might block.	1801	Might block.
1590		1802
1591	=cut	1803	=cut
		1804
		1805	sub link_map {
		1806	unless ($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	$LINK_MAP
		1813	}
1592		1814
1593	sub cf::object::player::enter_link {	1815	sub cf::object::player::enter_link {
1594	my ($self) = @_;	1816	my ($self) = @_;
1595		1817
1596	$self->deactivate_recursive;	1818	$self->deactivate_recursive;
1597		1819
1598	return if $self->map == $LINK_MAP;	1820	return if UNIVERSAL::isa $self->map, "ext::map_link";
1599		1821
1600	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1822	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1601	if $self->map;	1823	if $self->map;
1602		1824
1603	$self->enter_map ($LINK_MAP, 20, 20);	1825	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1604	}	1826	}
1605		1827
1606	sub cf::object::player::leave_link {	1828	sub cf::object::player::leave_link {
1607	my ($self, $map, $x, $y) = @_;	1829	my ($self, $map, $x, $y) = @_;
1608		1830
…		…
1626	# use -1 or undef as default coordinates, not 0, 0	1848	# use -1 or undef as default coordinates, not 0, 0
1627	($x, $y) = ($map->enter_x, $map->enter_y)	1849	($x, $y) = ($map->enter_x, $map->enter_y)
1628	if $x <=0 && $y <= 0;	1850	if $x <=0 && $y <= 0;
1629		1851
1630	$map->load;	1852	$map->load;
		1853	$map->load_diag;
1631		1854
1632	return unless $self->contr->active;	1855	return unless $self->contr->active;
1633	$self->activate_recursive;	1856	$self->activate_recursive;
		1857
		1858	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1634	$self->enter_map ($map, $x, $y);	1859	$self->enter_map ($map, $x, $y);
1635	}	1860	}
1636		1861
1637	cf::player->attach (	1862	cf::player->attach (
1638	on_logout => sub {	1863	on_logout => sub {
…		…
1651	# try to abort aborted map switching on player login :)	1876	# try to abort aborted map switching on player login :)
1652	# should happen only on crashes	1877	# should happen only on crashes
1653	if ($pl->ob->{_link_pos}) {	1878	if ($pl->ob->{_link_pos}) {
1654	$pl->ob->enter_link;	1879	$pl->ob->enter_link;
1655	(async {	1880	(async {
1656	# we need this sleep as the login has a concurrent enter_exit running
1657	# and this sleep increases chances of the player not ending up in scorn
1658	$pl->ob->reply (undef,	1881	$pl->ob->reply (undef,
1659	"There was an internal problem at your last logout, "	1882	"There was an internal problem at your last logout, "
1660	. "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.",
1661	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
1662	Coro::Timer::sleep 1;	1887	Coro::Timer::sleep 1;
1663	$pl->ob->leave_link;	1888	$pl->ob->leave_link;
1664	})->prio (2);	1889	})->prio (2);
1665	}	1890	}
1666	},	1891	},
…		…
1674	my ($self, $path, $x, $y) = @_;	1899	my ($self, $path, $x, $y) = @_;
1675		1900
1676	$self->enter_link;	1901	$self->enter_link;
1677		1902
1678	(async {	1903	(async {
1679	$path = new cf::path $path;	1904	my $map = eval {
1680
1681	my $map = cf::map::find $path->as_string;	1905	my $map = cf::map::find $path;
1682	$map = $map->customise_for ($self) if $map;	1906	$map = $map->customise_for ($self) if $map;
1683		1907	$map
1684	# warn "entering ", $map->path, " at ($x, $y)\n"	1908	} or
1685	# if $map;
1686
1687	$map or $map->cluck ("oy");#d#
1688	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1909	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1689		1910
1690	$self->leave_link ($map, $x, $y);	1911	$self->leave_link ($map, $x, $y);
1691	})->prio (1);	1912	})->prio (1);
1692	}	1913	}
1693		1914
…		…
1697		1918
1698	sub parse_random_map_params {	1919	sub parse_random_map_params {
1699	my ($spec) = @_;	1920	my ($spec) = @_;
1700		1921
1701	my $rmp = { # defaults	1922	my $rmp = { # defaults
1702	xsize => 10,	1923	xsize => (cf::rndm 15, 40),
1703	ysize => 10,	1924	ysize => (cf::rndm 15, 40),
		1925	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1926	#layout => string,
1704	};	1927	};
1705		1928
1706	for (split /\n/, $spec) {	1929	for (split /\n/, $spec) {
1707	my ($k, $v) = split /\s+/, $_, 2;	1930	my ($k, $v) = split /\s+/, $_, 2;
1708		1931
…		…
1712	$rmp	1935	$rmp
1713	}	1936	}
1714		1937
1715	sub prepare_random_map {	1938	sub prepare_random_map {
1716	my ($exit) = @_;	1939	my ($exit) = @_;
		1940
		1941	my $guard = cf::lock_acquire "exit_prepare:$exit";
1717		1942
1718	# all this does is basically replace the /! path by	1943	# all this does is basically replace the /! path by
1719	# a new random map path (?random/...) with a seed	1944	# a new random map path (?random/...) with a seed
1720	# that depends on the exit object	1945	# that depends on the exit object
1721		1946
1722	my $rmp = parse_random_map_params $exit->msg;	1947	my $rmp = parse_random_map_params $exit->msg;
1723		1948
1724	if ($exit->map) {	1949	if ($exit->map) {
1725	$rmp->{region} = $exit->map->region_name;	1950	$rmp->{region} = $exit->region->name;
1726	$rmp->{origin_map} = $exit->map->path;	1951	$rmp->{origin_map} = $exit->map->path;
1727	$rmp->{origin_x} = $exit->x;	1952	$rmp->{origin_x} = $exit->x;
1728	$rmp->{origin_y} = $exit->y;	1953	$rmp->{origin_y} = $exit->y;
1729	}	1954	}
1730		1955
1731	$rmp->{random_seed} ||= $exit->random_seed;	1956	$rmp->{random_seed} ||= $exit->random_seed;
1732		1957
1733	my $data = cf::to_json $rmp;	1958	my $data = cf::to_json $rmp;
1734	my $md5 = Digest::MD5::md5_hex $data;	1959	my $md5 = Digest::MD5::md5_hex $data;
		1960	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1735		1961
1736	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) {
1737	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;
1738		1966
1739	$exit->slaying ("?random/$md5");	1967	$exit->slaying ("?random/$md5");
1740	$exit->msg (undef);	1968	$exit->msg (undef);
1741	}	1969	}
1742	}	1970	}
1743		1971
1744	sub cf::object::player::enter_exit {	1972	sub cf::object::player::enter_exit {
1745	my ($self, $exit) = @_;	1973	my ($self, $exit) = @_;
1746		1974
1747	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;
1748		1987
1749	$self->enter_link;	1988	$self->enter_link;
1750		1989
1751	(async {	1990	(async {
1752	$self->deactivate_recursive; # just to be sure	1991	$self->deactivate_recursive; # just to be sure
1753	unless (eval {	1992	unless (eval {
1754	prepare_random_map $exit	1993	$self->goto ($slaying, $hp, $sp);
1755	if $exit->slaying eq "/!";
1756
1757	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1758	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1759		1994
1760	1;	1995	1;
1761	}) {	1996	}) {
1762	$self->message ("Something went wrong deep within the crossfire server. "	1997	$self->message ("Something went wrong deep within the crossfire server. "
1763	. "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. "
1764	. "Please report this to the dungeon master",	1999	. "Please report this to the dungeon master!",
1765	cf::NDI_UNIQUE | cf::NDI_RED);	2000	cf::NDI_UNIQUE | cf::NDI_RED);
1766		2001
1767	warn "ERROR in enter_exit: $@";	2002	warn "ERROR in enter_exit: $@";
1768	$self->leave_link;	2003	$self->leave_link;
1769	}	2004	}
1770	})->prio (1);	2005	})->prio (1);
…		…
1783		2018
1784	sub cf::client::send_drawinfo {	2019	sub cf::client::send_drawinfo {
1785	my ($self, $text, $flags) = @_;	2020	my ($self, $text, $flags) = @_;
1786		2021
1787	utf8::encode $text;	2022	utf8::encode $text;
1788	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2023	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1789	}	2024	}
1790		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	}
1791		2038
1792	=item $success = $client->query ($flags, "text", \&cb)	2039	=item $success = $client->query ($flags, "text", \&cb)
1793		2040
1794	Queues a query to the client, calling the given callback with	2041	Queues a query to the client, calling the given callback with
1795	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>,
…		…
1824	# get handled first	2071	# get handled first
1825	my $queue = delete $ns->{query_queue}	2072	my $queue = delete $ns->{query_queue}
1826	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
1827		2074
1828	(shift @$queue)->[1]->($msg);	2075	(shift @$queue)->[1]->($msg);
		2076	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1829		2077
1830	push @{ $ns->{query_queue} }, @$queue;	2078	push @{ $ns->{query_queue} }, @$queue;
1831		2079
1832	if (@{ $ns->{query_queue} } == @$queue) {	2080	if (@{ $ns->{query_queue} } == @$queue) {
1833	if (@$queue) {	2081	if (@$queue) {
…		…
1891		2139
1892	# here we export the classes and methods available to script code	2140	# here we export the classes and methods available to script code
1893		2141
1894	=pod	2142	=pod
1895		2143
1896	The following fucntions and emthods are available within a safe environment:	2144	The following functions and methods are available within a safe environment:
1897		2145
1898	cf::object contr pay_amount pay_player map	2146	cf::object contr pay_amount pay_player map
1899	cf::object::player player	2147	cf::object::player player
1900	cf::player peaceful	2148	cf::player peaceful
1901	cf::map trigger	2149	cf::map trigger
…		…
1994	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
1995	using it, it should be unique.	2243	using it, it should be unique.
1996		2244
1997	=over 4	2245	=over 4
1998		2246
1999	=item $hashref = cf::db_get $family
2000
2001	Return a hashref for use by the extension C<$family>, which can be
2002	modified. After modifications, you have to call C<cf::db_dirty> or
2003	C<cf::db_sync>.
2004
2005	=item $value = cf::db_get $family => $key	2247	=item $value = cf::db_get $family => $key
2006		2248
2007	Returns a single value from the database	2249	Returns a single value from the database.
2008
2009	=item cf::db_put $family => $hashref
2010
2011	Stores the given family hashref into the database. Updates are delayed, if
2012	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2013		2250
2014	=item cf::db_put $family => $key => $value	2251	=item cf::db_put $family => $key => $value
2015		2252
2016	Stores the given C<$value> in the family hash. Updates are delayed, if you	2253	Stores the given C<$value> in the family.
2017	want the data to be synced to disk immediately, use C<cf::db_sync>.
2018
2019	=item cf::db_dirty
2020
2021	Marks the database as dirty, to be updated at a later time.
2022
2023	=item cf::db_sync
2024
2025	Immediately write the database to disk I<if it is dirty>.
2026		2254
2027	=cut	2255	=cut
2028		2256
2029	our $DB;	2257	our $DB;
2030		2258
2031	{	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
2032	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;
2033		2278
2034	sub db_load() {	2279	cf::db_put (board => data => $pst->{board});
2035	$DB = stat $path ? Storable::retrieve $path : { };	2280	cf::db_put (guildrules => data => $pst->{guildrules});
2036	}	2281	cf::db_put (rent => balance => $pst->{rent}{balance});
		2282	BDB::db_env_txn_checkpoint $DB_ENV;
2037		2283
2038	my $pid;	2284	unlink $path;
2039
2040	sub db_save() {
2041	waitpid $pid, 0 if $pid;
2042	if (0 == ($pid = fork)) {
2043	$DB->{_meta}{version} = 1;
2044	Storable::nstore $DB, "$path~";
2045	rename "$path~", $path;
2046	cf::_exit 0 if defined $pid;
2047	}	2285	};
2048	}
2049
2050	my $dirty;
2051
2052	sub db_sync() {
2053	db_save if $dirty;
2054	undef $dirty;
2055	}
2056
2057	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2058	db_sync;
2059	});
2060
2061	sub db_dirty() {
2062	$dirty = 1;
2063	$idle->start;
2064	}
2065
2066	sub db_get($;$) {
2067	@_ >= 2
2068	? $DB->{$_[0]}{$_[1]}
2069	: ($DB->{$_[0]} ||= { })
2070	}
2071
2072	sub db_put($$;$) {
2073	if (@_ >= 3) {
2074	$DB->{$_[0]}{$_[1]} = $_[2];
2075	} else {
2076	$DB->{$_[0]} = $_[1];
2077	}
2078	db_dirty;
2079	}
2080
2081	cf::global->attach (
2082	prio => 10000,
2083	on_cleanup => sub {
2084	db_sync;
2085	},	2286	}
2086	);	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 { };
2087	}	2304	}
2088		2305
2089	#############################################################################	2306	#############################################################################
2090	# 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	}
2091		2371
2092	sub cfg_load {	2372	sub cfg_load {
2093	open my $fh, "<:utf8", cf::confdir . "/config"	2373	open my $fh, "<:utf8", cf::confdir . "/config"
2094	or return;	2374	or return;
2095		2375
…		…
2112		2392
2113	sub main {	2393	sub main {
2114	# we must not ever block the main coroutine	2394	# we must not ever block the main coroutine
2115	local $Coro::idle = sub {	2395	local $Coro::idle = sub {
2116	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 {
2117	async { Event::one_event };	2398	Event::one_event;
		2399	})->prio (Coro::PRIO_MAX);
2118	};	2400	};
2119		2401
2120	cfg_load;	2402	cfg_load;
2121	db_load;	2403	db_init;
2122	load_extensions;	2404	load_extensions;
		2405
		2406	$TICK_WATCHER->start;
2123	Event::loop;	2407	Event::loop;
2124	}	2408	}
2125		2409
2126	#############################################################################	2410	#############################################################################
2127	# 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 $make_core;
		2466	}
2128		2467
2129	sub reload() {	2468	sub reload() {
2130	# can/must only be called in main	2469	# can/must only be called in main
2131	if ($Coro::current != $Coro::main) {	2470	if ($Coro::current != $Coro::main) {
2132	warn "can only reload from main coroutine\n";	2471	warn "can only reload from main coroutine";
2133	return;	2472	return;
2134	}	2473	}
2135		2474
2136	warn "reloading...";	2475	warn "reloading...";
2137		2476
2138	my $guard = freeze_mainloop;	2477	warn "entering sync_job";
		2478
		2479	cf::sync_job {
		2480	cf::write_runtime; # external watchdog should not bark
2139	cf::emergency_save;	2481	cf::emergency_save;
		2482	cf::write_runtime; # external watchdog should not bark
2140		2483
2141	eval {	2484	warn "syncing database to disk";
		2485	BDB::db_env_txn_checkpoint $DB_ENV;
		2486
2142	# 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
2143		2488
2144	# cancel all watchers	2489	warn "cancelling all WF_AUTOCANCEL watchers";
2145	for (Event::all_watchers) {	2490	for (Event::all_watchers) {
2146	$_->cancel if $_->data & WF_AUTOCANCEL;	2491	$_->cancel if $_->data & WF_AUTOCANCEL;
2147	}	2492	}
2148		2493
		2494	warn "flushing outstanding aio requests";
		2495	for (;;) {
		2496	BDB::flush;
		2497	IO::AIO::flush;
		2498	Coro::cede;
		2499	last unless IO::AIO::nreqs || BDB::nreqs;
		2500	warn "iterate...";
		2501	}
		2502
		2503	++$RELOAD;
		2504
2149	# cancel all extension coros	2505	warn "cancelling all extension coros";
2150	$_->cancel for values %EXT_CORO;	2506	$_->cancel for values %EXT_CORO;
2151	%EXT_CORO = ();	2507	%EXT_CORO = ();
2152		2508
2153	# unload all extensions	2509	warn "removing commands";
2154	for (@exts) {	2510	%COMMAND = ();
		2511
		2512	warn "removing ext commands";
		2513	%EXTCMD = ();
		2514
		2515	warn "unloading/nuking all extensions";
		2516	for my $pkg (@EXTS) {
2155	warn "unloading <$_>";	2517	warn "... unloading $pkg";
2156	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: $@";
2157	}	2524	}
2158		2525
		2526	warn "... nuking $pkg";
		2527	Symbol::delete_package $pkg;
		2528	}
		2529
2159	# unload all modules loaded from $LIBDIR	2530	warn "unloading all perl modules loaded from $LIBDIR";
2160	while (my ($k, $v) = each %INC) {	2531	while (my ($k, $v) = each %INC) {
2161	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2532	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2162		2533
2163	warn "removing <$k>";	2534	warn "... unloading $k";
2164	delete $INC{$k};	2535	delete $INC{$k};
2165		2536
2166	$k =~ s/\.pm$//;	2537	$k =~ s/\.pm$//;
2167	$k =~ s/\//::/g;	2538	$k =~ s/\//::/g;
2168		2539
…		…
2171	}	2542	}
2172		2543
2173	Symbol::delete_package $k;	2544	Symbol::delete_package $k;
2174	}	2545	}
2175		2546
2176	# sync database to disk
2177	cf::db_sync;
2178	IO::AIO::flush;
2179
2180	# get rid of safe::, as good as possible	2547	warn "getting rid of safe::, as good as possible";
2181	Symbol::delete_package "safe::$_"	2548	Symbol::delete_package "safe::$_"
2182	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);
2183		2550
2184	# remove register_script_function callbacks
2185	# TODO
2186
2187	# unload cf.pm "a bit"	2551	warn "unloading cf.pm \"a bit\"";
2188	delete $INC{"cf.pm"};	2552	delete $INC{"cf.pm"};
2189		2553
2190	# don't, removes xs symbols, too,	2554	# don't, removes xs symbols, too,
2191	# and global variables created in xs	2555	# and global variables created in xs
2192	#Symbol::delete_package __PACKAGE__;	2556	#Symbol::delete_package __PACKAGE__;
2193		2557
2194	# reload cf.pm	2558	warn "unload completed, starting to reload now";
		2559
2195	warn "reloading cf.pm";	2560	warn "reloading cf.pm";
2196	require cf;	2561	require cf;
2197	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2198		2563
2199	# load config and database again	2564	warn "loading config and database again";
2200	cf::cfg_load;	2565	cf::cfg_load;
2201	cf::db_load;
2202		2566
2203	# load extensions
2204	warn "load extensions";	2567	warn "loading extensions";
2205	cf::load_extensions;	2568	cf::load_extensions;
2206		2569
2207	# reattach attachments to objects	2570	warn "reattaching attachments to objects/players";
2208	warn "reattach";	2571	_global_reattach; # objects, sockets
2209	_global_reattach;	2572	warn "reattaching attachments to maps";
2210	reattach $_ for values %MAP;	2573	reattach $_ for values %MAP;
2211	};	2574	warn "reattaching attachments to players";
		2575	reattach $_ for values %PLAYER;
2212		2576
2213	if ($@) {	2577	warn "loading reloadable resources";
		2578	reload_resources;
		2579
		2580	warn "leaving sync_job";
		2581
		2582	1
		2583	} or do {
2214	warn $@;	2584	warn $@;
2215	warn "error while reloading, exiting.";	2585	warn "error while reloading, exiting.";
2216	exit 1;	2586	exit 1;
2217	}	2587	};
2218		2588
2219	warn "reloaded successfully";	2589	warn "reloaded";
2220	};	2590	};
2221		2591
2222	#############################################################################	2592	our $RELOAD_WATCHER; # used only during reload
2223
2224	unless ($LINK_MAP) {
2225	$LINK_MAP = cf::map::new;
2226
2227	$LINK_MAP->width (41);
2228	$LINK_MAP->height (41);
2229	$LINK_MAP->alloc;
2230	$LINK_MAP->path ("{link}");
2231	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2232	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2233
2234	# dirty hack because... archetypes are not yet loaded
2235	Event->timer (
2236	after => 10,
2237	cb => sub {
2238	$_[0]->w->cancel;
2239
2240	# provide some exits "home"
2241	my $exit = cf::object::new "exit";
2242
2243	$exit->slaying ($EMERGENCY_POSITION->[0]);
2244	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2245	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2246
2247	$LINK_MAP->insert ($exit->clone, 19, 19);
2248	$LINK_MAP->insert ($exit->clone, 19, 20);
2249	$LINK_MAP->insert ($exit->clone, 19, 21);
2250	$LINK_MAP->insert ($exit->clone, 20, 19);
2251	$LINK_MAP->insert ($exit->clone, 20, 21);
2252	$LINK_MAP->insert ($exit->clone, 21, 19);
2253	$LINK_MAP->insert ($exit->clone, 21, 20);
2254	$LINK_MAP->insert ($exit->clone, 21, 21);
2255
2256	$exit->destroy;
2257	});
2258
2259	$LINK_MAP->{deny_save} = 1;
2260	$LINK_MAP->{deny_reset} = 1;
2261
2262	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2263	}
2264
2265	register "<global>", __PACKAGE__;
2266		2593
2267	register_command "reload" => sub {	2594	register_command "reload" => sub {
2268	my ($who, $arg) = @_;	2595	my ($who, $arg) = @_;
2269		2596
2270	if ($who->flag (FLAG_WIZ)) {	2597	if ($who->flag (FLAG_WIZ)) {
2271	$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 {
2272	reload;	2608	reload;
2273	$who->message ("end of reload.");	2609	undef $RELOAD_WATCHER;
		2610	},
		2611	);
2274	}	2612	}
2275	};	2613	};
2276		2614
2277	unshift @INC, $LIBDIR;	2615	unshift @INC, $LIBDIR;
		2616
		2617	my $bug_warning = 0;
2278		2618
2279	$TICK_WATCHER = Event->timer (	2619	$TICK_WATCHER = Event->timer (
2280	reentrant => 0,	2620	reentrant => 0,
		2621	parked => 1,
2281	prio => 0,	2622	prio => 0,
2282	at => $NEXT_TICK || $TICK,	2623	at => $NEXT_TICK || $TICK,
2283	data => WF_AUTOCANCEL,	2624	data => WF_AUTOCANCEL,
2284	cb => sub {	2625	cb => sub {
		2626	if ($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
2285	cf::server_tick; # one server iteration	2634	cf::server_tick; # one server iteration
2286	$RUNTIME += $TICK;	2635	$RUNTIME += $TICK;
2287	$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#
2288		2651
2289	# 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
2290	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2291		2654
2292	$TICK_WATCHER->at ($NEXT_TICK);	2655	$TICK_WATCHER->at ($NEXT_TICK);
2293	$TICK_WATCHER->start;	2656	$TICK_WATCHER->start;
2294	},	2657	},
2295	);	2658	);
2296		2659
		2660	{
2297	IO::AIO::max_poll_time $TICK * 0.2;	2661	BDB::max_poll_time $TICK * 0.1;
2298		2662	$BDB_POLL_WATCHER = Event->io (
2299	Event->io (	2663	reentrant => 0,
2300	fd => IO::AIO::poll_fileno,	2664	fd => BDB::poll_fileno,
2301	poll => 'r',	2665	poll => 'r',
2302	prio => 5,	2666	prio => 0,
2303	data => WF_AUTOCANCEL,
2304	cb => \&IO::AIO::poll_cb,
2305	);
2306
2307	Event->timer (
2308	data => WF_AUTOCANCEL,	2667	data => WF_AUTOCANCEL,
2309	after => 0,	2668	cb => \&BDB::poll_cb,
2310	interval => 10,	2669	);
2311	cb => sub {	2670	BDB::min_parallel 8;
2312	(Coro::unblock_sub {	2671
2313	write_runtime	2672	BDB::set_sync_prepare {
2314	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 $@;
2315	})->();	2706	};
2316	},	2707	}
2317	);	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	}
2318		2724
2319	END { cf::emergency_save }	2725	END { cf::emergency_save }
2320		2726
2321	1	2727	1
2322		2728

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