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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.159 by root, Wed Jan 10 22:50:12 2007 UTC vs.
Revision 1.250 by root, Wed Apr 18 14:24:10 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use BDB ();
20	use Data::Dumper;	26	use Data::Dumper;
21	use Digest::MD5;	27	use Digest::MD5;
22	use Fcntl;	28	use Fcntl;
		29	use YAML::Syck ();
23	use IO::AIO 2.32 ();	30	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	31	use Time::HiRes;
		32	use Compress::LZF;
26		33
		34	# configure various modules to our taste
		35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
		37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		39
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	40	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		41
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
33		44
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		46
		47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		48
36	our %COMMAND = ();	49	our %COMMAND = ();
37	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
38		51
39	our @EXTS = (); # list of extension package names	52	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	53	our %EXTCMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
		55	our %EXT_MAP = (); # pluggable maps
42		56
		57	our $RELOAD; # number of reloads so far
43	our @EVENT;	58	our @EVENT;
44	our $LIBDIR = datadir . "/ext";	59	our $LIBDIR = datadir . "/ext";
45		60
46	our $TICK = MAX_TIME * 1e-6;	61	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
47	our $TICK_WATCHER;	62	our $TICK_WATCHER;
		63	our $AIO_POLL_WATCHER;
		64	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
48	our $NEXT_TICK;	65	our $NEXT_TICK;
49	our $NOW;	66	our $NOW;
		67	our $USE_FSYNC = 1; # use fsync to write maps - default off
		68
		69	our $BDB_POLL_WATCHER;
		70	our $DB_ENV;
50		71
51	our %CFG;	72	our %CFG;
52		73
53	our $UPTIME; $UPTIME ||= time;	74	our $UPTIME; $UPTIME ||= time;
54	our $RUNTIME;	75	our $RUNTIME;
55		76
56	our %PLAYER; # all users	77	our %PLAYER; # all users
57	our %MAP; # all maps	78	our %MAP; # all maps
58	our $LINK_MAP; # the special {link} map	79	our $LINK_MAP; # the special {link} map, which is always available
59	our $RANDOM_MAPS = cf::localdir . "/random";	80	our $RANDOM_MAPS = cf::localdir . "/random";
		81	our $BDB_ENV_DIR = cf::localdir . "/db";
60		82
61	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	83	# used to convert map paths into valid unix filenames by replacing / by ∕
62	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
63		85
64	binmode STDOUT;	86	binmode STDOUT;
65	binmode STDERR;	87	binmode STDERR;
66		88
67	# read virtual server time, if available	89	# read virtual server time, if available
…		…
74	mkdir cf::localdir;	96	mkdir cf::localdir;
75	mkdir cf::localdir . "/" . cf::playerdir;	97	mkdir cf::localdir . "/" . cf::playerdir;
76	mkdir cf::localdir . "/" . cf::tmpdir;	98	mkdir cf::localdir . "/" . cf::tmpdir;
77	mkdir cf::localdir . "/" . cf::uniquedir;	99	mkdir cf::localdir . "/" . cf::uniquedir;
78	mkdir $RANDOM_MAPS;	100	mkdir $RANDOM_MAPS;
		101	mkdir $BDB_ENV_DIR;
79		102
80	# a special map that is always available
81	our $LINK_MAP;
82	our $EMERGENCY_POSITION;	103	our $EMERGENCY_POSITION;
		104
		105	sub cf::map::normalise;
83		106
84	#############################################################################	107	#############################################################################
85		108
86	=head2 GLOBAL VARIABLES	109	=head2 GLOBAL VARIABLES
87		110
…		…
112	=item %cf::CFG	135	=item %cf::CFG
113		136
114	Configuration for the server, loaded from C</etc/crossfire/config>, or	137	Configuration for the server, loaded from C</etc/crossfire/config>, or
115	from wherever your confdir points to.	138	from wherever your confdir points to.
116		139
117	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	140	=item cf::wait_for_tick, cf::wait_for_tick_begin
118		141
119	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	142	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
120	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	143	returns directly I<after> the tick processing (and consequently, can only wake one process
121	processing has been done. Call C<< ->wait >> on them to maximise the	144	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
122	window of cpu time available, or simply to synchronise to the server tick.
123		145
124	=back	146	=back
125		147
126	=cut	148	=cut
127		149
128	BEGIN {	150	BEGIN {
129	*CORE::GLOBAL::warn = sub {	151	*CORE::GLOBAL::warn = sub {
130	my $msg = join "", @_;	152	my $msg = join "", @_;
131	utf8::encode $msg;
132		153
133	$msg .= "\n"	154	$msg .= "\n"
134	unless $msg =~ /\n$/;	155	unless $msg =~ /\n$/;
135		156
		157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		158
		159	utf8::encode $msg;
136	LOG llevError, $msg;	160	LOG llevError, $msg;
137	};	161	};
138	}	162	}
139		163
140	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
186	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
187	$d	211	$d
188	} || "[unable to dump $_[0]: '$@']";	212	} || "[unable to dump $_[0]: '$@']";
189	}	213	}
190		214
191	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
192		216
193	=item $ref = cf::from_json $json	217	=item $ref = cf::from_json $json
194		218
195	Converts a JSON string into the corresponding perl data structure.	219	Converts a JSON string into the corresponding perl data structure.
196		220
197	=cut
198
199	sub from_json($) {
200	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
201	JSON::Syck::Load $_[0]
202	}
203
204	=item $json = cf::to_json $ref	221	=item $json = cf::to_json $ref
205		222
206	Converts a perl data structure into its JSON representation.	223	Converts a perl data structure into its JSON representation.
207
208	=cut
209
210	sub to_json($) {
211	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
212	JSON::Syck::Dump $_[0]
213	}
214		224
215	=item cf::lock_wait $string	225	=item cf::lock_wait $string
216		226
217	Wait until the given lock is available. See cf::lock_acquire.	227	Wait until the given lock is available. See cf::lock_acquire.
218		228
…		…
255	}	265	}
256		266
257	sub freeze_mainloop {	267	sub freeze_mainloop {
258	return unless $TICK_WATCHER->is_active;	268	return unless $TICK_WATCHER->is_active;
259		269
260	my $guard = Coro::guard { $TICK_WATCHER->start };	270	my $guard = Coro::guard {
		271	$TICK_WATCHER->start;
		272	};
261	$TICK_WATCHER->stop;	273	$TICK_WATCHER->stop;
262	$guard	274	$guard
263	}	275	}
264		276
265	=item cf::async { BLOCK }	277	=item cf::async { BLOCK }
…		…
336		348
337	$coro	349	$coro
338	}	350	}
339		351
340	sub write_runtime {	352	sub write_runtime {
		353	my $guard = cf::lock_acquire "write_runtime";
		354
341	my $runtime = cf::localdir . "/runtime";	355	my $runtime = cf::localdir . "/runtime";
342		356
343	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
344	or return;	358	or return;
345		359
		360	my $value = $cf::RUNTIME + 90 + 10;
346	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
347	(aio_write $fh, 0, (length $value), $value, 0) <= 0	364	(aio_write $fh, 0, (length $value), $value, 0) <= 0
348	and return;	365	and return;
349		366
		367	# always fsync - this file is important
350	aio_fsync $fh	368	aio_fsync $fh
351	and return;	369	and return;
352		370
353	close $fh	371	close $fh
354	or return;	372	or return;
…		…
357	and return;	375	and return;
358		376
359	1	377	1
360	}	378	}
361		379
		380	=item cf::datalog type => key => value, ...
		381
		382	Log a datalog packet of the given type with the given key-value pairs.
		383
		384	=cut
		385
		386	sub datalog($@) {
		387	my ($type, %kv) = @_;
		388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		389	}
		390
362	=back	391	=back
363		392
364	=cut	393	=cut
365
366	#############################################################################
367
368	package cf::path;
369
370	use overload
371	'""' => \&as_string;
372
373	# used to convert map paths into valid unix filenames by repalcing / by ∕
374	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
375
376	sub new {
377	my ($class, $path, $base) = @_;
378
379	$path = $path->as_string if ref $path;
380
381	my $self = bless { }, $class;
382
383	# {... are special paths that are not touched
384	# ?xxx/... are special absolute paths
385	# ?random/... random maps
386	# /! non-realised random map exit
387	# /... normal maps
388	# ~/... per-player maps without a specific player (DO NOT USE)
389	# ~user/... per-player map of a specific user
390
391	$path =~ s/$PATH_SEP/\//go;
392
393	if ($path =~ /^{/) {
394	# fine as it is
395	} elsif ($path =~ s{^\?random/}{}) {
396	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
397	$self->{random} = cf::from_json $data;
398	} else {
399	if ($path =~ s{^~([^/]+)?}{}) {
400	$self->{user_rel} = 1;
401
402	if (defined $1) {
403	$self->{user} = $1;
404	} elsif ($base =~ m{^~([^/]+)/}) {
405	$self->{user} = $1;
406	} else {
407	warn "cannot resolve user-relative path without user <$path,$base>\n";
408	}
409	} elsif ($path =~ /^\//) {
410	# already absolute
411	} else {
412	$base =~ s{[^/]+/?$}{};
413	return $class->new ("$base/$path");
414	}
415
416	for ($path) {
417	redo if s{/\.?/}{/};
418	redo if s{/[^/]+/\.\./}{/};
419	}
420	}
421
422	$self->{path} = $path;
423
424	$self
425	}
426
427	# the name / primary key / in-game path
428	sub as_string {
429	my ($self) = @_;
430
431	$self->{user_rel} ? "~$self->{user}$self->{path}"
432	: $self->{random} ? "?random/$self->{path}"
433	: $self->{path}
434	}
435
436	# the displayed name, this is a one way mapping
437	sub visible_name {
438	my ($self) = @_;
439
440	# if (my $rmp = $self->{random}) {
441	# # todo: be more intelligent about this
442	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
443	# } else {
444	$self->as_string
445	# }
446	}
447
448	# escape the /'s in the path
449	sub _escaped_path {
450	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
451	$path
452	}
453
454	# the original (read-only) location
455	sub load_path {
456	my ($self) = @_;
457
458	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
459	}
460
461	# the temporary/swap location
462	sub save_path {
463	my ($self) = @_;
464
465	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
466	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
467	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
468	}
469
470	# the unique path, might be eq to save_path
471	sub uniq_path {
472	my ($self) = @_;
473
474	$self->{user_rel} || $self->{random}
475	? undef
476	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
477	}
478
479	# return random map parameters, or undef
480	sub random_map_params {
481	my ($self) = @_;
482
483	$self->{random}
484	}
485
486	# this is somewhat ugly, but style maps do need special treatment
487	sub is_style_map {
488	$_[0]{path} =~ m{^/styles/}
489	}
490
491	package cf;
492		394
493	#############################################################################	395	#############################################################################
494		396
495	=head2 ATTACHABLE OBJECTS	397	=head2 ATTACHABLE OBJECTS
496		398
…		…
622	our @CB_TYPE = (); # registry for type (cf-object class) based events	524	our @CB_TYPE = (); # registry for type (cf-object class) based events
623	our @CB_MAP = ();	525	our @CB_MAP = ();
624		526
625	my %attachment;	527	my %attachment;
626		528
		529	sub cf::attachable::thawer_merge {
		530	# simply override everything except _meta
		531	local $_[0]{_meta};
		532	%{$_[0]} = %{$_[1]};
		533	}
		534
627	sub _attach_cb($$$$) {	535	sub _attach_cb($$$$) {
628	my ($registry, $event, $prio, $cb) = @_;	536	my ($registry, $event, $prio, $cb) = @_;
629		537
630	use sort 'stable';	538	use sort 'stable';
631		539
…		…
802	# object support	710	# object support
803		711
804	sub reattach {	712	sub reattach {
805	# basically do the same as instantiate, without calling instantiate	713	# basically do the same as instantiate, without calling instantiate
806	my ($obj) = @_;	714	my ($obj) = @_;
		715
		716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
807		717
808	my $registry = $obj->registry;	718	my $registry = $obj->registry;
809		719
810	@$registry = ();	720	@$registry = ();
811		721
…		…
858	$filename, length $$rdata, scalar @$objs;	768	$filename, length $$rdata, scalar @$objs;
859		769
860	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
861	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
862	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
863	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
864	close $fh;	774	close $fh;
865		775
866	if (@$objs) {	776	if (@$objs) {
867	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) {
868	chmod SAVE_MODE, $fh;	778	chmod SAVE_MODE, $fh;
869	my $data = Storable::nfreeze { version => 1, objs => $objs };	779	my $data = Storable::nfreeze { version => 1, objs => $objs };
870	aio_write $fh, 0, (length $data), $data, 0;	780	aio_write $fh, 0, (length $data), $data, 0;
871	aio_fsync $fh;	781	aio_fsync $fh if $cf::USE_FSYNC;
872	close $fh;	782	close $fh;
873	aio_rename "$filename.pst~", "$filename.pst";	783	aio_rename "$filename.pst~", "$filename.pst";
874	}	784	}
875	} else {	785	} else {
876	aio_unlink "$filename.pst";	786	aio_unlink "$filename.pst";
…		…
987	my $base = $1;	897	my $base = $1;
988	my $pkg = $1;	898	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;	899	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";	900	$pkg = "ext::$pkg";
991		901
992	warn "loading '$path' into '$pkg'\n";	902	warn "... loading '$path' into '$pkg'\n";
993		903
994	open my $fh, "<:utf8", $path	904	open my $fh, "<:utf8", $path
995	or die "$path: $!";	905	or die "$path: $!";
996		906
997	my $source =	907	my $source =
998	"package $pkg; use strict; use utf8;\n"	908	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"	909	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })	910	. (do { local $/; <$fh> })
1001	. "\n};\n1";	911	. "\n};\n1";
1002		912
1003	eval $source	913	unless (eval $source) {
1004	or die $@ ? "$path: $@\n"	914	my $msg = $@ ? "$path: $@\n"
1005	: "extension disabled.\n";	915	: "extension disabled.\n";
		916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
		917	warn $@;
		918	warn "mandatory extension failed to load, exiting.\n";
		919	exit 1;
		920	}
		921	die $@;
		922	}
1006		923
1007	push @EXTS, $pkg;	924	push @EXTS, $pkg;
1008	}	925	}
1009		926
1010	sub load_extensions {	927	sub load_extensions {
…		…
1016	} or warn "$ext not loaded: $@";	933	} or warn "$ext not loaded: $@";
1017	}	934	}
1018	}	935	}
1019		936
1020	#############################################################################	937	#############################################################################
1021	# load/save/clean perl data associated with a map
1022
1023	*cf::mapsupport::on_clean = sub {
1024	my ($map) = @_;
1025
1026	my $path = $map->tmpname;
1027	defined $path or return;
1028
1029	unlink "$path.pst";
1030	};
1031
1032	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1033
1034	#############################################################################
1035		938
1036	=head2 CORE EXTENSIONS	939	=head2 CORE EXTENSIONS
1037		940
1038	Functions and methods that extend core crossfire objects.	941	Functions and methods that extend core crossfire objects.
1039		942
…		…
1062	}	965	}
1063		966
1064	sub path($) {	967	sub path($) {
1065	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1066		969
1067	(playerdir $login) . "/$login.pl"	970	(playerdir $login) . "/playerdata"
1068	}	971	}
1069		972
1070	sub find_active($) {	973	sub find_active($) {
1071	$cf::PLAYER{$_[0]}	974	$cf::PLAYER{$_[0]}
1072	and $cf::PLAYER{$_[0]}->active	975	and $cf::PLAYER{$_[0]}->active
…		…
1075		978
1076	sub exists($) {	979	sub exists($) {
1077	my ($login) = @_;	980	my ($login) = @_;
1078		981
1079	$cf::PLAYER{$login}	982	$cf::PLAYER{$login}
1080	or cf::sync_job { !aio_stat $login }	983	or cf::sync_job { !aio_stat path $login }
1081	}	984	}
1082		985
1083	sub find($) {	986	sub find($) {
1084	return $cf::PLAYER{$_[0]} || do {	987	return $cf::PLAYER{$_[0]} || do {
1085	my $login = $_[0];	988	my $login = $_[0];
1086		989
1087	my $guard = cf::lock_acquire "user_find:$login";	990	my $guard = cf::lock_acquire "user_find:$login";
1088		991
1089	$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
1090	my $pl = load_pl path $login	1000	my $pl = load_pl path $login
1091	or return;	1001	or return;
1092	$cf::PLAYER{$login} = $pl	1002	$cf::PLAYER{$login} = $pl
1093	}	1003	}
1094	}	1004	}
…		…
1131		1041
1132	=cut	1042	=cut
1133		1043
1134	sub quit_character {	1044	sub quit_character {
1135	my ($pl) = @_;	1045	my ($pl) = @_;
		1046
		1047	my $name = $pl->ob->name;
1136		1048
1137	$pl->{deny_save} = 1;	1049	$pl->{deny_save} = 1;
1138	$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
1139		1051
1140	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1145	my $path = playerdir $pl;	1057	my $path = playerdir $pl;
1146	my $temp = "$path~$cf::RUNTIME~deleting~";	1058	my $temp = "$path~$cf::RUNTIME~deleting~";
1147	aio_rename $path, $temp;	1059	aio_rename $path, $temp;
1148	delete $cf::PLAYER{$pl->ob->name};	1060	delete $cf::PLAYER{$pl->ob->name};
1149	$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
1150	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;
1151	}	1083	}
1152		1084
1153	=item cf::player::list_logins	1085	=item cf::player::list_logins
1154		1086
1155	Returns am arrayref of all valid playernames in the system, can take a	1087	Returns am arrayref of all valid playernames in the system, can take a
…		…
1175	\@logins	1107	\@logins
1176	}	1108	}
1177		1109
1178	=item $player->maps	1110	=item $player->maps
1179		1111
1180	Returns an arrayref of cf::path's of all maps that are private for this	1112	Returns an arrayref of map paths that are private for this
1181	player. May block.	1113	player. May block.
1182		1114
1183	=cut	1115	=cut
1184		1116
1185	sub maps($) {	1117	sub maps($) {
1186	my ($pl) = @_;	1118	my ($pl) = @_;
		1119
		1120	$pl = ref $pl ? $pl->ob->name : $pl;
1187		1121
1188	my $files = aio_readdir playerdir $pl	1122	my $files = aio_readdir playerdir $pl
1189	or return;	1123	or return;
1190		1124
1191	my @paths;	1125	my @paths;
…		…
1193	for (@$files) {	1127	for (@$files) {
1194	utf8::decode $_;	1128	utf8::decode $_;
1195	next if /\.(?:pl|pst)$/;	1129	next if /\.(?:pl|pst)$/;
1196	next unless /^$PATH_SEP/o;	1130	next unless /^$PATH_SEP/o;
1197		1131
1198	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1132	push @paths, cf::map::normalise "~$pl/$_";
1199	}	1133	}
1200		1134
1201	\@paths	1135	\@paths
1202	}	1136	}
1203		1137
1204	=item $player->ext_reply ($msgid, $msgtype, %msg)	1138	=item $player->ext_reply ($msgid, %msg)
1205		1139
1206	Sends an ext reply to the player.	1140	Sends an ext reply to the player.
1207		1141
1208	=cut	1142	=cut
1209		1143
1210	sub ext_reply($$$%) {	1144	sub ext_reply($$%) {
1211	my ($self, $id, %msg) = @_;	1145	my ($self, $id, %msg) = @_;
1212		1146
1213	$msg{msgid} = $id;	1147	$msg{msgid} = $id;
1214		1148
1215	$self->send ("ext " . cf::to_json \%msg);	1149	$self->send ("ext " . cf::to_json \%msg);
1216	}	1150	}
1217		1151
1218	package cf;	1152	=item $player->ext_event ($type, %msg)
		1153
		1154	Sends an ext event to the client.
		1155
		1156	=cut
		1157
		1158	sub ext_event($$%) {
		1159	my ($self, $type, %msg) = @_;
		1160
		1161	$self->ns->ext_event ($type, %msg);
		1162	}
		1163
		1164	=head3 cf::region
		1165
		1166	=over 4
		1167
		1168	=cut
		1169
		1170	package cf::region;
		1171
		1172	=item cf::region::find_by_path $path
		1173
		1174	Tries to decuce the probable region for a map knowing only its path.
		1175
		1176	=cut
		1177
		1178	sub find_by_path($) {
		1179	my ($path) = @_;
		1180
		1181	my ($match, $specificity);
		1182
		1183	for my $region (list) {
		1184	if ($region->match && $path =~ $region->match) {
		1185	($match, $specificity) = ($region, $region->specificity)
		1186	if $region->specificity > $specificity;
		1187	}
		1188	}
		1189
		1190	$match
		1191	}
1219		1192
1220	=back	1193	=back
1221
1222		1194
1223	=head3 cf::map	1195	=head3 cf::map
1224		1196
1225	=over 4	1197	=over 4
1226		1198
…		…
1229	package cf::map;	1201	package cf::map;
1230		1202
1231	use Fcntl;	1203	use Fcntl;
1232	use Coro::AIO;	1204	use Coro::AIO;
1233		1205
		1206	use overload
		1207	'""' => \&as_string,
		1208	fallback => 1;
		1209
1234	our $MAX_RESET = 3600;	1210	our $MAX_RESET = 3600;
1235	our $DEFAULT_RESET = 3000;	1211	our $DEFAULT_RESET = 3000;
1236		1212
1237	sub generate_random_map {	1213	sub generate_random_map {
1238	my ($path, $rmp) = @_;	1214	my ($self, $rmp) = @_;
1239
1240	# mit "rum" bekleckern, nicht	1215	# mit "rum" bekleckern, nicht
1241	cf::map::_create_random_map	1216	$self->_create_random_map (
1242	$path,
1243	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1245	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246	$rmp->{exit_on_final_map},	1220	$rmp->{exit_on_final_map},
1247	$rmp->{xsize}, $rmp->{ysize},	1221	$rmp->{xsize}, $rmp->{ysize},
1248	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1224	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1225	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1252	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253	(cf::region::find $rmp->{region})	1227	(cf::region::find $rmp->{region}), $rmp->{custom}
		1228	)
		1229	}
		1230
		1231	=item cf::map->register ($regex, $prio)
		1232
		1233	Register a handler for the map path matching the given regex at the
		1234	givne priority (higher is better, built-in handlers have priority 0, the
		1235	default).
		1236
		1237	=cut
		1238
		1239	sub register {
		1240	my (undef, $regex, $prio) = @_;
		1241	my $pkg = caller;
		1242
		1243	no strict;
		1244	push @{"$pkg\::ISA"}, __PACKAGE__;
		1245
		1246	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1247	}
		1248
		1249	# also paths starting with '/'
		1250	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1251
		1252	sub thawer_merge {
		1253	my ($self, $merge) = @_;
		1254
		1255	# we have to keep some variables in memory intact
		1256	local $self->{path};
		1257	local $self->{load_path};
		1258	local $self->{deny_save};
		1259	local $self->{deny_reset};
		1260
		1261	$self->SUPER::thawer_merge ($merge);
		1262	}
		1263
		1264	sub normalise {
		1265	my ($path, $base) = @_;
		1266
		1267	$path = "$path"; # make sure its a string
		1268
		1269	$path =~ s/\.map$//;
		1270
		1271	# map plan:
		1272	#
		1273	# /! non-realised random map exit (special hack!)
		1274	# {... are special paths that are not being touched
		1275	# ?xxx/... are special absolute paths
		1276	# ?random/... random maps
		1277	# /... normal maps
		1278	# ~user/... per-player map of a specific user
		1279
		1280	$path =~ s/$PATH_SEP/\//go;
		1281
		1282	# treat it as relative path if it starts with
		1283	# something that looks reasonable
		1284	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1285	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1286
		1287	$base =~ s{[^/]+/?$}{};
		1288	$path = "$base/$path";
		1289	}
		1290
		1291	for ($path) {
		1292	redo if s{//}{/};
		1293	redo if s{/\.?/}{/};
		1294	redo if s{/[^/]+/\.\./}{/};
		1295	}
		1296
		1297	$path
		1298	}
		1299
		1300	sub new_from_path {
		1301	my (undef, $path, $base) = @_;
		1302
		1303	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1304
		1305	$path = normalise $path, $base;
		1306
		1307	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1308	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1309	my $self = bless cf::map::new, $pkg;
		1310	$self->{path} = $path; $self->path ($path);
		1311	$self->init; # pass $1 etc.
		1312	return $self;
		1313	}
		1314	}
		1315
		1316	Carp::carp "unable to resolve path '$path' (base '$base').";
		1317	()
		1318	}
		1319
		1320	sub init {
		1321	my ($self) = @_;
		1322
		1323	$self
		1324	}
		1325
		1326	sub as_string {
		1327	my ($self) = @_;
		1328
		1329	"$self->{path}"
		1330	}
		1331
		1332	# the displayed name, this is a one way mapping
		1333	sub visible_name {
		1334	&as_string
		1335	}
		1336
		1337	# the original (read-only) location
		1338	sub load_path {
		1339	my ($self) = @_;
		1340
		1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1342	}
		1343
		1344	# the temporary/swap location
		1345	sub save_path {
		1346	my ($self) = @_;
		1347
		1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1350	}
		1351
		1352	# the unique path, undef == no special unique path
		1353	sub uniq_path {
		1354	my ($self) = @_;
		1355
		1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1254	}	1358	}
1255		1359
1256	# and all this just because we cannot iterate over	1360	# and all this just because we cannot iterate over
1257	# all maps in C++...	1361	# all maps in C++...
1258	sub change_all_map_light {	1362	sub change_all_map_light {
…		…
1260		1364
1261	$_->change_map_light ($change)	1365	$_->change_map_light ($change)
1262	for grep $_->outdoor, values %cf::MAP;	1366	for grep $_->outdoor, values %cf::MAP;
1263	}	1367	}
1264		1368
		1369	sub unlink_save {
		1370	my ($self) = @_;
		1371
		1372	utf8::encode (my $save = $self->save_path);
		1373	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1374	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1375	}
		1376
1265	sub try_load_header($) {	1377	sub load_header_from($) {
1266	my ($path) = @_;	1378	my ($self, $path) = @_;
1267		1379
1268	utf8::encode $path;	1380	utf8::encode $path;
1269	aio_open $path, O_RDONLY, 0	1381	#aio_open $path, O_RDONLY, 0
		1382	# or return;
		1383
		1384	$self->_load_header ($path)
1270	or return;	1385	or return;
1271		1386
1272	my $map = cf::map::new	1387	$self->{load_path} = $path;
		1388
		1389	1
		1390	}
		1391
		1392	sub load_header_orig {
		1393	my ($self) = @_;
		1394
		1395	$self->load_header_from ($self->load_path)
		1396	}
		1397
		1398	sub load_header_temp {
		1399	my ($self) = @_;
		1400
		1401	$self->load_header_from ($self->save_path)
		1402	}
		1403
		1404	sub prepare_temp {
		1405	my ($self) = @_;
		1406
		1407	$self->last_access ((delete $self->{last_access})
		1408	|| $cf::RUNTIME); #d#
		1409	# safety
		1410	$self->{instantiate_time} = $cf::RUNTIME
		1411	if $self->{instantiate_time} > $cf::RUNTIME;
		1412	}
		1413
		1414	sub prepare_orig {
		1415	my ($self) = @_;
		1416
		1417	$self->{load_original} = 1;
		1418	$self->{instantiate_time} = $cf::RUNTIME;
		1419	$self->last_access ($cf::RUNTIME);
		1420	$self->instantiate;
		1421	}
		1422
		1423	sub load_header {
		1424	my ($self) = @_;
		1425
		1426	if ($self->load_header_temp) {
		1427	$self->prepare_temp;
		1428	} else {
		1429	$self->load_header_orig
1273	or return;	1430	or return;
		1431	$self->prepare_orig;
		1432	}
1274		1433
1275	# for better error messages only, will be overwritten	1434	$self->default_region (cf::region::find_by_path $self->{path})
1276	$map->path ($path);	1435	unless $self->default_region;
1277		1436
1278	$map->load_header ($path)	1437	1
1279	or return;
1280
1281	$map->{load_path} = $path;
1282
1283	$map
1284	}	1438	}
1285		1439
1286	sub find;	1440	sub find;
1287	sub find {	1441	sub find {
1288	my ($path, $origin) = @_;	1442	my ($path, $origin) = @_;
1289		1443
1290	#warn "find<$path,$origin>\n";#d#
1291
1292	$path = new cf::path $path, $origin && $origin->path;	1444	$path = normalise $path, $origin && $origin->path;
1293	my $key = $path->as_string;
1294		1445
1295	cf::lock_wait "map_find:$key";	1446	cf::lock_wait "map_find:$path";
1296		1447
1297	$cf::MAP{$key} || do {	1448	$cf::MAP{$path} || do {
1298	my $guard = cf::lock_acquire "map_find:$key";	1449	my $guard = cf::lock_acquire "map_find:$path";
1299		1450	my $map = new_from_path cf::map $path
1300	# do it the slow way
1301	my $map = try_load_header $path->save_path;
1302
1303	Coro::cede;
1304
1305	if ($map) {
1306	$map->last_access ((delete $map->{last_access})
1307	|| $cf::RUNTIME); #d#
1308	# safety
1309	$map->{instantiate_time} = $cf::RUNTIME
1310	if $map->{instantiate_time} > $cf::RUNTIME;
1311	} else {
1312	if (my $rmp = $path->random_map_params) {
1313	$map = generate_random_map $key, $rmp;
1314	} else {
1315	$map = try_load_header $path->load_path;
1316	}
1317
1318	$map or return;	1451	or return;
1319		1452
1320	$map->{load_original} = 1;
1321	$map->{instantiate_time} = $cf::RUNTIME;
1322	$map->last_access ($cf::RUNTIME);
1323	$map->instantiate;
1324
1325	# per-player maps become, after loading, normal maps
1326	$map->per_player (0) if $path->{user_rel};
1327	}
1328
1329	$map->path ($key);
1330	$map->{path} = $path;
1331	$map->{last_save} = $cf::RUNTIME;	1453	$map->{last_save} = $cf::RUNTIME;
1332		1454
1333	Coro::cede;	1455	$map->load_header
		1456	or return;
1334		1457
1335	if ($map->should_reset) {	1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1459	# doing this can freeze the server in a sync job, obviously
		1460	#$cf::WAIT_FOR_TICK->wait;
1336	$map->reset;	1461	$map->reset;
1337	undef $guard;	1462	undef $guard;
1338	$map = find $path	1463	return find $path;
1339	or return;
1340	}	1464	}
1341		1465
1342	$cf::MAP{$key} = $map	1466	$cf::MAP{$path} = $map
1343	}	1467	}
1344	}	1468	}
		1469
		1470	sub pre_load { }
		1471	sub post_load { }
1345		1472
1346	sub load {	1473	sub load {
1347	my ($self) = @_;	1474	my ($self) = @_;
1348		1475
		1476	local $self->{deny_reset} = 1; # loading can take a long time
		1477
1349	my $path = $self->{path};	1478	my $path = $self->{path};
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1479	my $guard = cf::lock_acquire "map_load:$path";
1351		1480
1352	return if $self->in_memory != cf::MAP_SWAPPED;	1481	return if $self->in_memory != cf::MAP_SWAPPED;
1353		1482
1354	$self->in_memory (cf::MAP_LOADING);	1483	$self->in_memory (cf::MAP_LOADING);
1355		1484
1356	$self->alloc;	1485	$self->alloc;
		1486
		1487	$self->pre_load;
		1488	Coro::cede;
		1489
1357	$self->load_objects ($self->{load_path}, 1)	1490	$self->_load_objects ($self->{load_path}, 1)
1358	or return;	1491	or return;
1359		1492
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1361	if delete $self->{load_original};	1494	if delete $self->{load_original};
1362		1495
1363	if (my $uniq = $path->uniq_path) {	1496	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	1497	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	1498	if (aio_open $uniq, O_RDONLY, 0) {
1366	$self->clear_unique_items;	1499	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	1500	$self->_load_objects ($uniq, 0);
1368	}	1501	}
1369	}	1502	}
1370		1503
1371	Coro::cede;	1504	Coro::cede;
1372
1373	# now do the right thing for maps	1505	# now do the right thing for maps
1374	$self->link_multipart_objects;	1506	$self->link_multipart_objects;
		1507	Coro::cede;
1375		1508
1376	if ($self->{path}->is_style_map) {	1509	unless ($self->{deny_activate}) {
1377	$self->{deny_save} = 1;	1510	$self->decay_objects;
1378	$self->{deny_reset} = 1;
1379	} else {
1380	$self->fix_auto_apply;	1511	$self->fix_auto_apply;
1381	$self->decay_objects;
1382	$self->update_buttons;	1512	$self->update_buttons;
		1513	Coro::cede;
1383	$self->set_darkness_map;	1514	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	1515	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1516	unless $self->difficulty;
		1517	Coro::cede;
1386	$self->activate;	1518	$self->activate;
		1519	Coro::cede;
1387	}	1520	}
1388		1521
		1522	$self->post_load;
1389	Coro::cede;	1523	Coro::cede;
1390		1524
1391	$self->in_memory (cf::MAP_IN_MEMORY);	1525	$self->in_memory (cf::MAP_IN_MEMORY);
		1526	}
		1527
		1528	sub customise_for {
		1529	my ($self, $ob) = @_;
		1530
		1531	return find "~" . $ob->name . "/" . $self->{path}
		1532	if $self->per_player;
		1533
		1534	$self
1392	}	1535	}
1393		1536
1394	# find and load all maps in the 3x3 area around a map	1537	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	1538	sub load_diag {
1396	my ($map) = @_;	1539	my ($map) = @_;
…		…
1426		1569
1427	cf::sync_job { $map->load };	1570	cf::sync_job { $map->load };
1428	}	1571	}
1429		1572
1430	our %MAP_PREFETCH;	1573	our %MAP_PREFETCH;
1431	our $MAP_PREFETCHER = Coro::async {	1574	our $MAP_PREFETCHER = undef;
1432	while () {
1433	while (%MAP_PREFETCH) {
1434	my $key = each %MAP_PREFETCH
1435	or next;
1436	my $path = delete $MAP_PREFETCH{$key};
1437
1438	my $map = find $path
1439	or next;
1440	$map->load;
1441	}
1442	Coro::schedule;
1443	}
1444	};
1445		1575
1446	sub find_async {	1576	sub find_async {
1447	my ($path, $origin) = @_;	1577	my ($path, $origin) = @_;
1448		1578
1449	$path = new cf::path $path, $origin && $origin->path;	1579	$path = normalise $path, $origin && $origin->{path};
1450	my $key = $path->as_string;
1451		1580
1452	if (my $map = $cf::MAP{$key}) {	1581	if (my $map = $cf::MAP{$path}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}	1583	}
1455		1584
1456	$MAP_PREFETCH{$key} = $path;	1585	undef $MAP_PREFETCH{$path};
		1586	$MAP_PREFETCHER ||= cf::async {
		1587	while (%MAP_PREFETCH) {
		1588	for my $path (keys %MAP_PREFETCH) {
		1589	my $map = find $path
		1590	or next;
		1591	$map->load;
		1592
		1593	delete $MAP_PREFETCH{$path};
		1594	}
		1595	}
		1596	undef $MAP_PREFETCHER;
		1597	};
1457	$MAP_PREFETCHER->ready;	1598	$MAP_PREFETCHER->prio (6);
1458		1599
1459	()	1600	()
1460	}	1601	}
1461		1602
1462	sub save {	1603	sub save {
…		…
1466		1607
1467	$self->{last_save} = $cf::RUNTIME;	1608	$self->{last_save} = $cf::RUNTIME;
1468		1609
1469	return unless $self->dirty;	1610	return unless $self->dirty;
1470		1611
1471	my $save = $self->{path}->save_path; utf8::encode $save;	1612	my $save = $self->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1613	my $uniq = $self->uniq_path; utf8::encode $uniq;
1473		1614
1474	$self->{load_path} = $save;	1615	$self->{load_path} = $save;
1475		1616
1476	return if $self->{deny_save};	1617	return if $self->{deny_save};
1477		1618
…		…
1480	cf::async {	1621	cf::async {
1481	$_->contr->save for $self->players;	1622	$_->contr->save for $self->players;
1482	};	1623	};
1483		1624
1484	if ($uniq) {	1625	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);	1627	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {	1628	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1629	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}	1630	}
1490	}	1631	}
1491		1632
1492	sub swap_out {	1633	sub swap_out {
1493	my ($self) = @_;	1634	my ($self) = @_;
…		…
1507		1648
1508	sub reset_at {	1649	sub reset_at {
1509	my ($self) = @_;	1650	my ($self) = @_;
1510		1651
1511	# TODO: safety, remove and allow resettable per-player maps	1652	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};	1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1513	return 1e99 if $self->{deny_reset};	1654	return 1e99 if $self->{deny_reset};
1514		1655
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		1658
…		…
1522	my ($self) = @_;	1663	my ($self) = @_;
1523		1664
1524	$self->reset_at <= $cf::RUNTIME	1665	$self->reset_at <= $cf::RUNTIME
1525	}	1666	}
1526		1667
1527	sub unlink_save {
1528	my ($self) = @_;
1529
1530	utf8::encode (my $save = $self->{path}->save_path);
1531	aioreq_pri 3; IO::AIO::aio_unlink $save;
1532	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1533	}
1534
1535	sub rename {
1536	my ($self, $new_path) = @_;
1537
1538	$self->unlink_save;
1539
1540	delete $cf::MAP{$self->path};
1541	$self->{path} = new cf::path $new_path;
1542	$self->path ($self->{path}->as_string);
1543	$cf::MAP{$self->path} = $self;
1544
1545	$self->save;
1546	}
1547
1548	sub reset {	1668	sub reset {
1549	my ($self) = @_;	1669	my ($self) = @_;
1550		1670
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	1671	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		1672
1553	return if $self->players;	1673	return if $self->players;
1554	return if $self->{path}{user_rel};#d#	1674	return if $self->isa ("ext::map_per_player");#d#
1555		1675
1556	warn "resetting map ", $self->path;#d#	1676	warn "resetting map ", $self->path;#d#
1557		1677
		1678	$self->in_memory (cf::MAP_SWAPPED);
		1679
		1680	# need to save uniques path
		1681	unless ($self->{deny_save}) {
		1682	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1683
		1684	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1685	if $uniq;
		1686	}
		1687
1558	delete $cf::MAP{$self->path};	1688	delete $cf::MAP{$self->path};
		1689
		1690	$self->clear;
1559		1691
1560	$_->clear_links_to ($self) for values %cf::MAP;	1692	$_->clear_links_to ($self) for values %cf::MAP;
1561		1693
1562	$self->unlink_save;	1694	$self->unlink_save;
1563	$self->destroy;	1695	$self->destroy;
…		…
1566	my $nuke_counter = "aaaa";	1698	my $nuke_counter = "aaaa";
1567		1699
1568	sub nuke {	1700	sub nuke {
1569	my ($self) = @_;	1701	my ($self) = @_;
1570		1702
		1703	delete $cf::MAP{$self->path};
		1704
		1705	$self->unlink_save;
		1706
		1707	bless $self, "cf::map";
		1708	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	1709	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	1710	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1712
		1713	$cf::MAP{$self->path} = $self;
		1714
1574	$self->reset; # polite request, might not happen	1715	$self->reset; # polite request, might not happen
1575	}	1716	}
1576		1717
1577	sub customise_for {
1578	my ($map, $ob) = @_;
1579
1580	if ($map->per_player) {
1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1582	}
1583
1584	$map
1585	}
1586
1587	=item cf::map::unique_maps	1718	=item cf::map::unique_maps
1588		1719
1589	Returns an arrayref of cf::path's of all shared maps that have	1720	Returns an arrayref of paths of all shared maps that have
1590	instantiated unique items. May block.	1721	instantiated unique items. May block.
1591		1722
1592	=cut	1723	=cut
1593		1724
1594	sub unique_maps() {	1725	sub unique_maps() {
…		…
1600	for (@$files) {	1731	for (@$files) {
1601	utf8::decode $_;	1732	utf8::decode $_;
1602	next if /\.pst$/;	1733	next if /\.pst$/;
1603	next unless /^$PATH_SEP/o;	1734	next unless /^$PATH_SEP/o;
1604		1735
1605	push @paths, new cf::path $_;	1736	push @paths, cf::map::normalise $_;
1606	}	1737	}
1607		1738
1608	\@paths	1739	\@paths
1609	}	1740	}
1610		1741
…		…
1685		1816
1686	=item $player_object->enter_link	1817	=item $player_object->enter_link
1687		1818
1688	Freezes the player and moves him/her to a special map (C<{link}>).	1819	Freezes the player and moves him/her to a special map (C<{link}>).
1689		1820
1690	The player should be reaosnably safe there for short amounts of time. You	1821	The player should be reasonably safe there for short amounts of time. You
1691	I<MUST> call C<leave_link> as soon as possible, though.	1822	I<MUST> call C<leave_link> as soon as possible, though.
1692		1823
		1824	Will never block.
		1825
1693	=item $player_object->leave_link ($map, $x, $y)	1826	=item $player_object->leave_link ($map, $x, $y)
1694		1827
1695	Moves the player out of the specila link map onto the given map. If the	1828	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	1829	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	1830	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	1831	fails, to the emergency map position.
1699		1832
1700	Might block.	1833	Might block.
1701		1834
1702	=cut	1835	=cut
		1836
		1837	sub link_map {
		1838	unless ($LINK_MAP) {
		1839	$LINK_MAP = cf::map::find "{link}"
		1840	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1841	$LINK_MAP->load;
		1842	}
		1843
		1844	$LINK_MAP
		1845	}
1703		1846
1704	sub cf::object::player::enter_link {	1847	sub cf::object::player::enter_link {
1705	my ($self) = @_;	1848	my ($self) = @_;
1706		1849
1707	$self->deactivate_recursive;	1850	$self->deactivate_recursive;
1708		1851
1709	return if $self->map == $LINK_MAP;	1852	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		1853
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	1855	if $self->map;
1713		1856
1714	$self->enter_map ($LINK_MAP, 20, 20);	1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	1858	}
1716		1859
1717	sub cf::object::player::leave_link {	1860	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	1861	my ($self, $map, $x, $y) = @_;
1719		1862
…		…
1741	$map->load;	1884	$map->load;
1742	$map->load_diag;	1885	$map->load_diag;
1743		1886
1744	return unless $self->contr->active;	1887	return unless $self->contr->active;
1745	$self->activate_recursive;	1888	$self->activate_recursive;
		1889
		1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	1891	$self->enter_map ($map, $x, $y);
1747	}	1892	}
1748		1893
1749	cf::player->attach (	1894	cf::player->attach (
1750	on_logout => sub {	1895	on_logout => sub {
…		…
1763	# try to abort aborted map switching on player login :)	1908	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes	1909	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {	1910	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;	1911	$pl->ob->enter_link;
1767	(async {	1912	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,	1913	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "	1914	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",	1915	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);	1916	cf::NDI_RED);
		1917	# we need this sleep as the login has a concurrent enter_exit running
		1918	# and this sleep increases chances of the player not ending up in scorn
1774	Coro::Timer::sleep 1;	1919	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;	1920	$pl->ob->leave_link;
1776	})->prio (2);	1921	})->prio (2);
1777	}	1922	}
1778	},	1923	},
…		…
1783	=cut	1928	=cut
1784		1929
1785	sub cf::object::player::goto {	1930	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	1931	my ($self, $path, $x, $y) = @_;
1787		1932
1788	$path = new cf::path $path;
1789
1790	$self->enter_link;	1933	$self->enter_link;
1791		1934
1792	(async {	1935	(async {
		1936	my $map = eval {
1793	my $map = cf::map::find $path->as_string;	1937	my $map = cf::map::find $path;
1794	$map = $map->customise_for ($self) if $map;	1938	$map = $map->customise_for ($self) if $map;
1795		1939	$map
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	1940	} or
1797	# if $map;
1798
1799	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1800		1942
1801	$self->leave_link ($map, $x, $y);	1943	$self->leave_link ($map, $x, $y);
1802	})->prio (1);	1944	})->prio (1);
1803	}	1945	}
1804		1946
…		…
1808		1950
1809	sub parse_random_map_params {	1951	sub parse_random_map_params {
1810	my ($spec) = @_;	1952	my ($spec) = @_;
1811		1953
1812	my $rmp = { # defaults	1954	my $rmp = { # defaults
1813	xsize => 10,	1955	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	1956	ysize => (cf::rndm 15, 40),
		1957	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1958	#layout => string,
1815	};	1959	};
1816		1960
1817	for (split /\n/, $spec) {	1961	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	1962	my ($k, $v) = split /\s+/, $_, 2;
1819		1963
…		…
1823	$rmp	1967	$rmp
1824	}	1968	}
1825		1969
1826	sub prepare_random_map {	1970	sub prepare_random_map {
1827	my ($exit) = @_;	1971	my ($exit) = @_;
		1972
		1973	my $guard = cf::lock_acquire "exit_prepare:$exit";
1828		1974
1829	# all this does is basically replace the /! path by	1975	# all this does is basically replace the /! path by
1830	# a new random map path (?random/...) with a seed	1976	# a new random map path (?random/...) with a seed
1831	# that depends on the exit object	1977	# that depends on the exit object
1832		1978
1833	my $rmp = parse_random_map_params $exit->msg;	1979	my $rmp = parse_random_map_params $exit->msg;
1834		1980
1835	if ($exit->map) {	1981	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	1982	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	1983	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	1984	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	1985	$rmp->{origin_y} = $exit->y;
1840	}	1986	}
1841		1987
1842	$rmp->{random_seed} ||= $exit->random_seed;	1988	$rmp->{random_seed} ||= $exit->random_seed;
1843		1989
1844	my $data = cf::to_json $rmp;	1990	my $data = cf::to_json $rmp;
1845	my $md5 = Digest::MD5::md5_hex $data;	1991	my $md5 = Digest::MD5::md5_hex $data;
		1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1846		1993
1847	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848	aio_write $fh, 0, (length $data), $data, 0;	1995	aio_write $fh, 0, (length $data), $data, 0;
		1996	undef $fh;
		1997	aio_rename "$meta~", $meta;
1849		1998
1850	$exit->slaying ("?random/$md5");	1999	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	2000	$exit->msg (undef);
1852	}	2001	}
1853	}	2002	}
1854		2003
1855	sub cf::object::player::enter_exit {	2004	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	2005	my ($self, $exit) = @_;
1857		2006
1858	return unless $self->type == cf::PLAYER;	2007	return unless $self->type == cf::PLAYER;
		2008
		2009	if ($exit->slaying eq "/!") {
		2010	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2011	# the problem is that $exit might not survive long enough
		2012	# so it needs to be done right now, right here
		2013	cf::sync_job { prepare_random_map $exit };
		2014	}
		2015
		2016	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2017	my $hp = $exit->stats->hp;
		2018	my $sp = $exit->stats->sp;
1859		2019
1860	$self->enter_link;	2020	$self->enter_link;
1861		2021
1862	(async {	2022	(async {
1863	$self->deactivate_recursive; # just to be sure	2023	$self->deactivate_recursive; # just to be sure
1864	unless (eval {	2024	unless (eval {
1865	prepare_random_map $exit	2025	$self->goto ($slaying, $hp, $sp);
1866	if $exit->slaying eq "/!";
1867
1868	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1869	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1870		2026
1871	1;	2027	1;
1872	}) {	2028	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	2029	$self->message ("Something went wrong deep within the crossfire server. "
1874	. "I'll try to bring you back to the map you were before. "	2030	. "I'll try to bring you back to the map you were before. "
1875	. "Please report this to the dungeon master!",	2031	. "Please report this to the dungeon master!",
1876	cf::NDI_UNIQUE | cf::NDI_RED);	2032	cf::NDI_UNIQUE | cf::NDI_RED);
1877		2033
1878	warn "ERROR in enter_exit: $@";	2034	warn "ERROR in enter_exit: $@";
1879	$self->leave_link;	2035	$self->leave_link;
1880	}	2036	}
1881	})->prio (1);	2037	})->prio (1);
…		…
1894		2050
1895	sub cf::client::send_drawinfo {	2051	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2052	my ($self, $text, $flags) = @_;
1897		2053
1898	utf8::encode $text;	2054	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2056	}
1901		2057
		2058	=item $client->ext_event ($type, %msg)
		2059
		2060	Sends an exti event to the client.
		2061
		2062	=cut
		2063
		2064	sub cf::client::ext_event($$%) {
		2065	my ($self, $type, %msg) = @_;
		2066
		2067	$msg{msgtype} = "event_$type";
		2068	$self->send_packet ("ext " . cf::to_json \%msg);
		2069	}
1902		2070
1903	=item $success = $client->query ($flags, "text", \&cb)	2071	=item $success = $client->query ($flags, "text", \&cb)
1904		2072
1905	Queues a query to the client, calling the given callback with	2073	Queues a query to the client, calling the given callback with
1906	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2074	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1935	# get handled first	2103	# get handled first
1936	my $queue = delete $ns->{query_queue}	2104	my $queue = delete $ns->{query_queue}
1937	or return; # be conservative, not sure how that can happen, but we saw a crash here	2105	or return; # be conservative, not sure how that can happen, but we saw a crash here
1938		2106
1939	(shift @$queue)->[1]->($msg);	2107	(shift @$queue)->[1]->($msg);
		2108	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		2109
1941	push @{ $ns->{query_queue} }, @$queue;	2110	push @{ $ns->{query_queue} }, @$queue;
1942		2111
1943	if (@{ $ns->{query_queue} } == @$queue) {	2112	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	2113	if (@$queue) {
…		…
2002		2171
2003	# here we export the classes and methods available to script code	2172	# here we export the classes and methods available to script code
2004		2173
2005	=pod	2174	=pod
2006		2175
2007	The following fucntions and emthods are available within a safe environment:	2176	The following functions and methods are available within a safe environment:
2008		2177
2009	cf::object contr pay_amount pay_player map	2178	cf::object contr pay_amount pay_player map
2010	cf::object::player player	2179	cf::object::player player
2011	cf::player peaceful	2180	cf::player peaceful
2012	cf::map trigger	2181	cf::map trigger
…		…
2097	#############################################################################	2266	#############################################################################
2098		2267
2099	=head2 EXTENSION DATABASE SUPPORT	2268	=head2 EXTENSION DATABASE SUPPORT
2100		2269
2101	Crossfire maintains a very simple database for extension use. It can	2270	Crossfire maintains a very simple database for extension use. It can
2102	currently store anything that can be serialised using Storable, which	2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2103	excludes objects.	2272	convert to/from binary).
2104		2273
2105	The parameter C<$family> should best start with the name of the extension	2274	The parameter C<$family> should best start with the name of the extension
2106	using it, it should be unique.	2275	using it, it should be unique.
2107		2276
2108	=over 4	2277	=over 4
2109		2278
2110	=item $hashref = cf::db_get $family
2111
2112	Return a hashref for use by the extension C<$family>, which can be
2113	modified. After modifications, you have to call C<cf::db_dirty> or
2114	C<cf::db_sync>.
2115
2116	=item $value = cf::db_get $family => $key	2279	=item $value = cf::db_get $family => $key
2117		2280
2118	Returns a single value from the database	2281	Returns a single value from the database.
2119
2120	=item cf::db_put $family => $hashref
2121
2122	Stores the given family hashref into the database. Updates are delayed, if
2123	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2124		2282
2125	=item cf::db_put $family => $key => $value	2283	=item cf::db_put $family => $key => $value
2126		2284
2127	Stores the given C<$value> in the family hash. Updates are delayed, if you	2285	Stores the given C<$value> in the family.
2128	want the data to be synced to disk immediately, use C<cf::db_sync>.
2129
2130	=item cf::db_dirty
2131
2132	Marks the database as dirty, to be updated at a later time.
2133
2134	=item cf::db_sync
2135
2136	Immediately write the database to disk I<if it is dirty>.
2137		2286
2138	=cut	2287	=cut
2139		2288
2140	our $DB;	2289	our $DB;
2141		2290
2142	{	2291	sub db_init {
2143	my $path = cf::localdir . "/database.pst";	2292	unless ($DB) {
		2293	$DB = BDB::db_create $DB_ENV;
2144		2294
2145	sub db_load() {	2295	cf::sync_job {
2146	$DB = stat $path ? Storable::retrieve $path : { };	2296	eval {
2147	}	2297	$DB->set_flags (BDB::CHKSUM);
2148		2298
2149	my $pid;	2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2150		2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2151	sub db_save() {	2301	cf::cleanup "db_open(db): $!" if $!;
2152	waitpid $pid, 0 if $pid;	2302	};
2153	if (0 == ($pid = fork)) {	2303	cf::cleanup "db_open(db): $@" if $@;
2154	$DB->{_meta}{version} = 1;
2155	Storable::nstore $DB, "$path~";
2156	rename "$path~", $path;
2157	cf::_exit 0 if defined $pid;
2158	}	2304	};
2159	}
2160
2161	my $dirty;
2162
2163	sub db_sync() {
2164	db_save if $dirty;
2165	undef $dirty;
2166	}
2167
2168	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2169	db_sync;
2170	});	2305	}
		2306	}
2171		2307
2172	sub db_dirty() {
2173	$dirty = 1;
2174	$idle->start;
2175	}
2176
2177	sub db_get($;$) {	2308	sub db_get($$) {
2178	@_ >= 2	2309	my $key = "$_[0]/$_[1]";
2179	? $DB->{$_[0]}{$_[1]}
2180	: ($DB->{$_[0]} ||= { })
2181	}
2182		2310
		2311	cf::sync_job {
		2312	BDB::db_get $DB, undef, $key, my $data;
		2313
		2314	$! ? ()
		2315	: $data
		2316	}
		2317	}
		2318
2183	sub db_put($$;$) {	2319	sub db_put($$$) {
2184	if (@_ >= 3) {	2320	BDB::dbreq_pri 4;
2185	$DB->{$_[0]}{$_[1]} = $_[2];	2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2186	} else {	2322	}
2187	$DB->{$_[0]} = $_[1];
2188	}
2189	db_dirty;
2190	}
2191		2323
2192	cf::global->attach (	2324	=item cf::cache $id => [$paths...], $processversion => $process
2193	prio => 10000,	2325
2194	on_cleanup => sub {	2326	Generic caching function that returns the value of the resource $id,
2195	db_sync;	2327	caching and regenerating as required.
		2328
		2329	This function can block.
		2330
		2331	=cut
		2332
		2333	sub cache {
		2334	my ($id, $src, $processversion, $process) = @_;
		2335
		2336	my $meta =
		2337	join "\x00",
		2338	$processversion,
		2339	map {
		2340	aio_stat $_
		2341	and Carp::croak "$_: $!";
		2342
		2343	($_, (stat _)[7,9])
		2344	} @$src;
		2345
		2346	my $dbmeta = db_get cache => "$id/meta";
		2347	if ($dbmeta ne $meta) {
		2348	# changed, we may need to process
		2349
		2350	my @data;
		2351	my $md5;
		2352
		2353	for (0 .. $#$src) {
		2354	0 <= aio_load $src->[$_], $data[$_]
		2355	or Carp::croak "$src->[$_]: $!";
2196	},	2356	}
2197	);	2357
		2358	# if processing is expensive, check
		2359	# checksum first
		2360	if (1) {
		2361	$md5 =
		2362	join "\x00",
		2363	$processversion,
		2364	map {
		2365	Coro::cede;
		2366	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2367	} 0.. $#$src;
		2368
		2369
		2370	my $dbmd5 = db_get cache => "$id/md5";
		2371	if ($dbmd5 eq $md5) {
		2372	db_put cache => "$id/meta", $meta;
		2373
		2374	return db_get cache => "$id/data";
		2375	}
		2376	}
		2377
		2378	my $data = $process->(\@data);
		2379
		2380	db_put cache => "$id/data", $data;
		2381	db_put cache => "$id/md5" , $md5;
		2382	db_put cache => "$id/meta", $meta;
		2383
		2384	return $data;
		2385	}
		2386
		2387	db_get cache => "$id/data"
2198	}	2388	}
		2389
		2390	=item fork_call { }, $args
		2391
		2392	Executes the given code block with the given arguments in a seperate
		2393	process, returning the results. Everything must be serialisable with
		2394	Coro::Storable. May, of course, block. Note that the executed sub may
		2395	never block itself or use any form of Event handling.
		2396
		2397	=cut
		2398
		2399	sub fork_call(&@) {
		2400	my ($cb, @args) = @_;
		2401
		2402	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2403	# or die "socketpair: $!";
		2404	pipe my $fh1, my $fh2
		2405	or die "pipe: $!";
		2406
		2407	if (my $pid = fork) {
		2408	close $fh2;
		2409
		2410	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2411	$res = Coro::Storable::thaw $res;
		2412
		2413	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2414
		2415	die $$res unless "ARRAY" eq ref $res;
		2416
		2417	return wantarray ? @$res : $res->[-1];
		2418	} else {
		2419	eval {
		2420	local $SIG{__DIE__};
		2421	local $SIG{__WARN__};
		2422	close $fh1;
		2423
		2424	my @res = eval { $cb->(@args) };
		2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2426	};
		2427
		2428	_exit 0;
		2429	}
		2430	}
		2431
		2432
2199		2433
2200	#############################################################################	2434	#############################################################################
2201	# the server's main()	2435	# the server's init and main functions
		2436
		2437	sub load_facedata($) {
		2438	my ($path) = @_;
		2439
		2440	warn "loading facedata from $path\n";
		2441
		2442	my $facedata;
		2443	0 < aio_load $path, $facedata
		2444	or die "$path: $!";
		2445
		2446	$facedata = Coro::Storable::thaw $facedata;
		2447
		2448	$facedata->{version} == 2
		2449	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2450
		2451	{
		2452	my $faces = $facedata->{faceinfo};
		2453
		2454	while (my ($face, $info) = each %$faces) {
		2455	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2456	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2457	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2458	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2459	Coro::cede;
		2460	}
		2461
		2462	while (my ($face, $info) = each %$faces) {
		2463	next unless $info->{smooth};
		2464	my $idx = cf::face::find $face
		2465	or next;
		2466	if (my $smooth = cf::face::find $info->{smooth}) {
		2467	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2468	} else {
		2469	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2470	}
		2471	Coro::cede;
		2472	}
		2473	}
		2474
		2475	{
		2476	my $anims = $facedata->{animinfo};
		2477
		2478	while (my ($anim, $info) = each %$anims) {
		2479	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2480	Coro::cede;
		2481	}
		2482
		2483	cf::anim::invalidate_all; # d'oh
		2484	}
		2485
		2486	1
		2487	}
		2488
		2489	sub reload_facedata {
		2490	load_facedata sprintf "%s/facedata", cf::datadir
		2491	or die "unable to load facedata\n";
		2492	}
		2493
		2494	sub reload_regions {
		2495	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2496	or die "unable to load regions file\n";
		2497	}
		2498
		2499	sub reload_archetypes {
		2500	load_resource_file sprintf "%s/archetypes", cf::datadir
		2501	or die "unable to load archetypes\n";
		2502	}
		2503
		2504	sub reload_treasures {
		2505	load_resource_file sprintf "%s/treasures", cf::datadir
		2506	or die "unable to load treasurelists\n";
		2507	}
		2508
		2509	sub reload_resources {
		2510	warn "reloading resource files...\n";
		2511
		2512	reload_regions;
		2513	reload_facedata;
		2514	reload_archetypes;
		2515	reload_treasures;
		2516
		2517	warn "finished reloading resource files\n";
		2518	}
		2519
		2520	sub init {
		2521	reload_resources;
		2522	}
2202		2523
2203	sub cfg_load {	2524	sub cfg_load {
2204	open my $fh, "<:utf8", cf::confdir . "/config"	2525	open my $fh, "<:utf8", cf::confdir . "/config"
2205	or return;	2526	or return;
2206		2527
…		…
2223		2544
2224	sub main {	2545	sub main {
2225	# we must not ever block the main coroutine	2546	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	2547	local $Coro::idle = sub {
2227	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2548	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2549	(async {
2228	async { Event::one_event };	2550	Event::one_event;
		2551	})->prio (Coro::PRIO_MAX);
2229	};	2552	};
2230		2553
2231	cfg_load;	2554	cfg_load;
2232	db_load;	2555	db_init;
2233	load_extensions;	2556	load_extensions;
		2557
		2558	$TICK_WATCHER->start;
2234	Event::loop;	2559	Event::loop;
2235	}	2560	}
2236		2561
2237	#############################################################################	2562	#############################################################################
2238	# initialisation and cleanup	2563	# initialisation and cleanup
2239		2564
2240	# install some emergency cleanup handlers	2565	# install some emergency cleanup handlers
2241	BEGIN {	2566	BEGIN {
2242	for my $signal (qw(INT HUP TERM)) {	2567	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	2568	Event->signal (
		2569	reentrant => 0,
2244	data => WF_AUTOCANCEL,	2570	data => WF_AUTOCANCEL,
2245	signal => $signal,	2571	signal => $signal,
		2572	prio => 0,
2246	cb => sub {	2573	cb => sub {
2247	cf::cleanup "SIG$signal";	2574	cf::cleanup "SIG$signal";
2248	},	2575	},
2249	);	2576	);
2250	}	2577	}
2251	}	2578	}
…		…
2256	warn "enter emergency perl save\n";	2583	warn "enter emergency perl save\n";
2257		2584
2258	cf::sync_job {	2585	cf::sync_job {
2259	# use a peculiar iteration method to avoid tripping on perl	2586	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	2587	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	2588	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	2589	warn "begin emergency player save\n";
2263	for my $login (keys %cf::PLAYER) {	2590	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	2591	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	2592	$pl->valid or next;
2266	$pl->save;	2593	$pl->save;
…		…
2272	my $map = $cf::MAP{$path} or next;	2599	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	2600	$map->valid or next;
2274	$map->save;	2601	$map->save;
2275	}	2602	}
2276	warn "end emergency map save\n";	2603	warn "end emergency map save\n";
		2604
		2605	warn "begin emergency database checkpoint\n";
		2606	BDB::db_env_txn_checkpoint $DB_ENV;
		2607	warn "end emergency database checkpoint\n";
2277	};	2608	};
2278		2609
2279	warn "leave emergency perl save\n";	2610	warn "leave emergency perl save\n";
2280	}	2611	}
2281		2612
		2613	sub post_cleanup {
		2614	my ($make_core) = @_;
		2615
		2616	warn Carp::longmess "post_cleanup backtrace"
		2617	if $make_core;
		2618	}
		2619
2282	sub reload() {	2620	sub do_reload_perl() {
2283	# can/must only be called in main	2621	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	2622	if ($Coro::current != $Coro::main) {
2285	warn "can only reload from main coroutine\n";	2623	warn "can only reload from main coroutine";
2286	return;	2624	return;
2287	}	2625	}
2288		2626
2289	warn "reloading...";	2627	warn "reloading...";
2290		2628
2291	warn "freezing server";	2629	warn "entering sync_job";
2292	my $guard = freeze_mainloop;	2630
		2631	cf::sync_job {
		2632	cf::write_runtime; # external watchdog should not bark
2293	cf::emergency_save;	2633	cf::emergency_save;
		2634	cf::write_runtime; # external watchdog should not bark
2294		2635
2295	warn "sync database to disk";	2636	warn "syncing database to disk";
2296	cf::db_sync;	2637	BDB::db_env_txn_checkpoint $DB_ENV;
2297	IO::AIO::flush;
2298		2638
2299	eval {
2300	# if anything goes wrong in here, we should simply crash as we already saved	2639	# if anything goes wrong in here, we should simply crash as we already saved
2301		2640
2302	warn "cancel all watchers";	2641	warn "cancelling all WF_AUTOCANCEL watchers";
2303	for (Event::all_watchers) {	2642	for (Event::all_watchers) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;	2643	$_->cancel if $_->data & WF_AUTOCANCEL;
2305	}	2644	}
2306		2645
		2646	warn "flushing outstanding aio requests";
		2647	for (;;) {
		2648	BDB::flush;
		2649	IO::AIO::flush;
		2650	Coro::cede;
		2651	last unless IO::AIO::nreqs || BDB::nreqs;
		2652	warn "iterate...";
		2653	}
		2654
		2655	++$RELOAD;
		2656
2307	warn "cancel all extension coros";	2657	warn "cancelling all extension coros";
2308	$_->cancel for values %EXT_CORO;	2658	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();	2659	%EXT_CORO = ();
2310		2660
2311	warn "remove commands";	2661	warn "removing commands";
2312	%COMMAND = ();	2662	%COMMAND = ();
2313		2663
2314	warn "remove ext commands";	2664	warn "removing ext commands";
2315	%EXTCMD = ();	2665	%EXTCMD = ();
2316		2666
2317	warn "unload/nuke all extensions";	2667	warn "unloading/nuking all extensions";
2318	for my $pkg (@EXTS) {	2668	for my $pkg (@EXTS) {
2319	warn "unloading <$pkg>";	2669	warn "... unloading $pkg";
2320		2670
2321	if (my $cb = $pkg->can ("unload")) {	2671	if (my $cb = $pkg->can ("unload")) {
2322	eval {	2672	eval {
2323	$cb->($pkg);	2673	$cb->($pkg);
2324	1	2674	1
2325	} or warn "$pkg unloaded, but with errors: $@";	2675	} or warn "$pkg unloaded, but with errors: $@";
2326	}	2676	}
2327		2677
		2678	warn "... nuking $pkg";
2328	Symbol::delete_package $pkg;	2679	Symbol::delete_package $pkg;
2329	}	2680	}
2330		2681
2331	warn "unload all perl modules loaded from $LIBDIR";	2682	warn "unloading all perl modules loaded from $LIBDIR";
2332	while (my ($k, $v) = each %INC) {	2683	while (my ($k, $v) = each %INC) {
2333	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2684	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2334		2685
2335	warn "removing <$k>";	2686	warn "... unloading $k";
2336	delete $INC{$k};	2687	delete $INC{$k};
2337		2688
2338	$k =~ s/\.pm$//;	2689	$k =~ s/\.pm$//;
2339	$k =~ s/\//::/g;	2690	$k =~ s/\//::/g;
2340		2691
…		…
2343	}	2694	}
2344		2695
2345	Symbol::delete_package $k;	2696	Symbol::delete_package $k;
2346	}	2697	}
2347		2698
2348	warn "get rid of safe::, as good as possible";	2699	warn "getting rid of safe::, as good as possible";
2349	Symbol::delete_package "safe::$_"	2700	Symbol::delete_package "safe::$_"
2350	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2701	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2351		2702
2352	warn "unload cf.pm \"a bit\"";	2703	warn "unloading cf.pm \"a bit\"";
2353	delete $INC{"cf.pm"};	2704	delete $INC{"cf.pm"};
2354		2705
2355	# don't, removes xs symbols, too,	2706	# don't, removes xs symbols, too,
2356	# and global variables created in xs	2707	# and global variables created in xs
2357	#Symbol::delete_package __PACKAGE__;	2708	#Symbol::delete_package __PACKAGE__;
2358		2709
		2710	warn "unload completed, starting to reload now";
		2711
2359	warn "reloading cf.pm";	2712	warn "reloading cf.pm";
2360	require cf;	2713	require cf;
2361	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2714	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2362		2715
2363	warn "load config and database again";	2716	warn "loading config and database again";
2364	cf::cfg_load;	2717	cf::cfg_load;
2365	cf::db_load;
2366		2718
2367	warn "load extensions";	2719	warn "loading extensions";
2368	cf::load_extensions;	2720	cf::load_extensions;
2369		2721
2370	warn "reattach attachments to objects/players";	2722	warn "reattaching attachments to objects/players";
2371	_global_reattach;	2723	_global_reattach; # objects, sockets
2372	warn "reattach attachments to maps";	2724	warn "reattaching attachments to maps";
2373	reattach $_ for values %MAP;	2725	reattach $_ for values %MAP;
2374	};	2726	warn "reattaching attachments to players";
		2727	reattach $_ for values %PLAYER;
2375		2728
2376	if ($@) {	2729	warn "leaving sync_job";
		2730
		2731	1
		2732	} or do {
2377	warn $@;	2733	warn $@;
2378	warn "error while reloading, exiting.";	2734	warn "error while reloading, exiting.";
2379	exit 1;	2735	exit 1;
2380	}	2736	};
2381		2737
2382	warn "reloaded";	2738	warn "reloaded";
2383	};	2739	};
2384		2740
2385	#############################################################################	2741	our $RELOAD_WATCHER; # used only during reload
2386		2742
2387	unless ($LINK_MAP) {	2743	sub reload_perl() {
2388	$LINK_MAP = cf::map::new;	2744	# doing reload synchronously and two reloads happen back-to-back,
		2745	# coro crashes during coro_state_free->destroy here.
2389		2746
2390	$LINK_MAP->width (41);	2747	$RELOAD_WATCHER ||= Event->timer (
2391	$LINK_MAP->height (41);	2748	reentrant => 0,
2392	$LINK_MAP->alloc;
2393	$LINK_MAP->path ("{link}");
2394	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2395	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2396
2397	# dirty hack because... archetypes are not yet loaded
2398	Event->timer (
2399	after => 10,	2749	after => 0,
		2750	data => WF_AUTOCANCEL,
2400	cb => sub {	2751	cb => sub {
2401	$_[0]->w->cancel;	2752	do_reload_perl;
2402		2753	undef $RELOAD_WATCHER;
2403	# provide some exits "home"
2404	my $exit = cf::object::new "exit";
2405
2406	$exit->slaying ($EMERGENCY_POSITION->[0]);
2407	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2408	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2409
2410	$LINK_MAP->insert ($exit->clone, 19, 19);
2411	$LINK_MAP->insert ($exit->clone, 19, 20);
2412	$LINK_MAP->insert ($exit->clone, 19, 21);
2413	$LINK_MAP->insert ($exit->clone, 20, 19);
2414	$LINK_MAP->insert ($exit->clone, 20, 21);
2415	$LINK_MAP->insert ($exit->clone, 21, 19);
2416	$LINK_MAP->insert ($exit->clone, 21, 20);
2417	$LINK_MAP->insert ($exit->clone, 21, 21);
2418
2419	$exit->destroy;
2420	});	2754	},
2421		2755	);
2422	$LINK_MAP->{deny_save} = 1;
2423	$LINK_MAP->{deny_reset} = 1;
2424
2425	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2426	}	2756	}
2427		2757
2428	register_command "reload" => sub {	2758	register_command "reload" => sub {
2429	my ($who, $arg) = @_;	2759	my ($who, $arg) = @_;
2430		2760
2431	if ($who->flag (FLAG_WIZ)) {	2761	if ($who->flag (FLAG_WIZ)) {
2432	$who->message ("start of reload.");
2433	reload;
2434	$who->message ("end of reload.");	2762	$who->message ("reloading server.");
		2763	async { reload_perl };
2435	}	2764	}
2436	};	2765	};
2437		2766
2438	unshift @INC, $LIBDIR;	2767	unshift @INC, $LIBDIR;
		2768
		2769	my $bug_warning = 0;
		2770
		2771	our @WAIT_FOR_TICK;
		2772	our @WAIT_FOR_TICK_BEGIN;
		2773
		2774	sub wait_for_tick {
		2775	return unless $TICK_WATCHER->is_active;
		2776	return if $Coro::current == $Coro::main;
		2777
		2778	my $signal = new Coro::Signal;
		2779	push @WAIT_FOR_TICK, $signal;
		2780	$signal->wait;
		2781	}
		2782
		2783	sub wait_for_tick_begin {
		2784	return unless $TICK_WATCHER->is_active;
		2785	return if $Coro::current == $Coro::main;
		2786
		2787	my $signal = new Coro::Signal;
		2788	push @WAIT_FOR_TICK_BEGIN, $signal;
		2789	$signal->wait;
		2790	}
2439		2791
2440	$TICK_WATCHER = Event->timer (	2792	$TICK_WATCHER = Event->timer (
2441	reentrant => 0,	2793	reentrant => 0,
		2794	parked => 1,
2442	prio => 0,	2795	prio => 0,
2443	at => $NEXT_TICK || $TICK,	2796	at => $NEXT_TICK || $TICK,
2444	data => WF_AUTOCANCEL,	2797	data => WF_AUTOCANCEL,
2445	cb => sub {	2798	cb => sub {
		2799	if ($Coro::current != $Coro::main) {
		2800	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2801	unless ++$bug_warning > 10;
		2802	return;
		2803	}
		2804
		2805	$NOW = Event::time;
		2806
2446	cf::server_tick; # one server iteration	2807	cf::server_tick; # one server iteration
		2808
2447	$RUNTIME += $TICK;	2809	$RUNTIME += $TICK;
2448	$NEXT_TICK += $TICK;	2810	$NEXT_TICK += $TICK;
2449		2811
2450	$WAIT_FOR_TICK->broadcast;	2812	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2451	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2813	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2814	Coro::async_pool {
		2815	write_runtime
		2816	or warn "ERROR: unable to write runtime file: $!";
		2817	};
		2818	}
		2819
		2820	# my $AFTER = Event::time;
		2821	# warn $AFTER - $NOW;#d#
2452		2822
2453	# if we are delayed by four ticks or more, skip them all	2823	# if we are delayed by four ticks or more, skip them all
2454	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2824	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2455		2825
2456	$TICK_WATCHER->at ($NEXT_TICK);	2826	$TICK_WATCHER->at ($NEXT_TICK);
2457	$TICK_WATCHER->start;	2827	$TICK_WATCHER->start;
		2828
		2829	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2830	$sig->send;
		2831	}
		2832	while (my $sig = shift @WAIT_FOR_TICK) {
		2833	$sig->send;
		2834	}
		2835
		2836	_post_tick;
2458	},	2837	},
2459	);	2838	);
2460		2839
		2840	{
2461	IO::AIO::max_poll_time $TICK * 0.2;	2841	BDB::max_poll_time $TICK * 0.1;
2462		2842	$BDB_POLL_WATCHER = Event->io (
2463	Event->io (	2843	reentrant => 0,
2464	fd => IO::AIO::poll_fileno,	2844	fd => BDB::poll_fileno,
2465	poll => 'r',	2845	poll => 'r',
2466	prio => 5,	2846	prio => 0,
2467	data => WF_AUTOCANCEL,
2468	cb => \&IO::AIO::poll_cb,
2469	);
2470
2471	Event->timer (
2472	data => WF_AUTOCANCEL,	2847	data => WF_AUTOCANCEL,
2473	after => 0,	2848	cb => \&BDB::poll_cb,
2474	interval => 10,	2849	);
2475	cb => sub {	2850	BDB::min_parallel 8;
2476	(Coro::unblock_sub {	2851
2477	write_runtime	2852	BDB::set_sync_prepare {
2478	or warn "ERROR: unable to write runtime file: $!";	2853	my $status;
		2854	my $current = $Coro::current;
		2855	(
		2856	sub {
		2857	$status = $!;
		2858	$current->ready; undef $current;
		2859	},
		2860	sub {
		2861	Coro::schedule while defined $current;
		2862	$! = $status;
		2863	},
		2864	)
		2865	};
		2866
		2867	unless ($DB_ENV) {
		2868	$DB_ENV = BDB::db_env_create;
		2869
		2870	cf::sync_job {
		2871	eval {
		2872	BDB::db_env_open
		2873	$DB_ENV,
		2874	$BDB_ENV_DIR,
		2875	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2876	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2877	0666;
		2878
		2879	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2880
		2881	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2882	$DB_ENV->set_lk_detect;
		2883	};
		2884
		2885	cf::cleanup "db_env_open(db): $@" if $@;
2479	})->();	2886	};
2480	},	2887	}
2481	);	2888	}
		2889
		2890	{
		2891	IO::AIO::min_parallel 8;
		2892
		2893	undef $Coro::AIO::WATCHER;
		2894	IO::AIO::max_poll_time $TICK * 0.1;
		2895	$AIO_POLL_WATCHER = Event->io (
		2896	reentrant => 0,
		2897	data => WF_AUTOCANCEL,
		2898	fd => IO::AIO::poll_fileno,
		2899	poll => 'r',
		2900	prio => 6,
		2901	cb => \&IO::AIO::poll_cb,
		2902	);
		2903	}
		2904
		2905	# load additional modules
		2906	use cf::pod;
2482		2907
2483	END { cf::emergency_save }	2908	END { cf::emergency_save }
2484		2909
2485	1	2910	1
2486		2911

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