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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.165 by root, Fri Jan 12 22:09:22 2007 UTC vs.
Revision 1.220 by root, Sat Feb 17 23:54:35 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3 ();	13	use Coro 3.5 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use BDB ();
20	use Data::Dumper;	21	use Data::Dumper;
21	use Digest::MD5;	22	use Digest::MD5;
22	use Fcntl;	23	use Fcntl;
23	use IO::AIO 2.32 ();	24	use IO::AIO 2.32 ();
24	use YAML::Syck ();	25	use YAML::Syck ();
25	use Time::HiRes;	26	use Time::HiRes;
		27	use Compress::LZF;
		28
		29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
26		30
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
28		32
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		34
…		…
44	our @EVENT;	48	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	49	our $LIBDIR = datadir . "/ext";
46		50
47	our $TICK = MAX_TIME * 1e-6;	51	our $TICK = MAX_TIME * 1e-6;
48	our $TICK_WATCHER;	52	our $TICK_WATCHER;
		53	our $AIO_POLL_WATCHER;
		54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	55	our $NEXT_TICK;
50	our $NOW;	56	our $NOW;
		57	our $USE_FSYNC = 1; # use fsync to write maps - default off
		58
		59	our $BDB_POLL_WATCHER;
		60	our $DB_ENV;
51		61
52	our %CFG;	62	our %CFG;
53		63
54	our $UPTIME; $UPTIME ||= time;	64	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	65	our $RUNTIME;
56		66
57	our %PLAYER; # all users	67	our %PLAYER; # all users
58	our %MAP; # all maps	68	our %MAP; # all maps
59	our $LINK_MAP; # the special {link} map	69	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";	70	our $RANDOM_MAPS = cf::localdir . "/random";
		71	our $BDB_ENV_DIR = cf::localdir . "/db";
61		72
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		75
		76	# used to convert map paths into valid unix filenames by replacing / by ∕
		77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
64		78
65	binmode STDOUT;	79	binmode STDOUT;
66	binmode STDERR;	80	binmode STDERR;
67		81
68	# read virtual server time, if available	82	# read virtual server time, if available
…		…
75	mkdir cf::localdir;	89	mkdir cf::localdir;
76	mkdir cf::localdir . "/" . cf::playerdir;	90	mkdir cf::localdir . "/" . cf::playerdir;
77	mkdir cf::localdir . "/" . cf::tmpdir;	91	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;	92	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;	93	mkdir $RANDOM_MAPS;
		94	mkdir $BDB_ENV_DIR;
80		95
81	# a special map that is always available
82	our $LINK_MAP;
83	our $EMERGENCY_POSITION;	96	our $EMERGENCY_POSITION;
		97
		98	sub cf::map::normalise;
84		99
85	#############################################################################	100	#############################################################################
86		101
87	=head2 GLOBAL VARIABLES	102	=head2 GLOBAL VARIABLES
88		103
…		…
256	}	271	}
257		272
258	sub freeze_mainloop {	273	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	274	return unless $TICK_WATCHER->is_active;
260		275
261	my $guard = Coro::guard { $TICK_WATCHER->start };	276	my $guard = Coro::guard {
		277	$TICK_WATCHER->start;
		278	};
262	$TICK_WATCHER->stop;	279	$TICK_WATCHER->stop;
263	$guard	280	$guard
264	}	281	}
265		282
266	=item cf::async { BLOCK }	283	=item cf::async { BLOCK }
…		…
337		354
338	$coro	355	$coro
339	}	356	}
340		357
341	sub write_runtime {	358	sub write_runtime {
		359	my $guard = cf::lock_acquire "write_runtime";
		360
342	my $runtime = cf::localdir . "/runtime";	361	my $runtime = cf::localdir . "/runtime";
343		362
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
345	or return;	364	or return;
346		365
		366	my $value = $cf::RUNTIME + 90 + 10;
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	367	# 10 is the runtime save interval, for a monotonic clock
		368	# 60 allows for the watchdog to kill the server.
		369
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0	370	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;	371	and return;
350		372
		373	# always fsync - this file is important
351	aio_fsync $fh	374	aio_fsync $fh
352	and return;	375	and return;
353		376
354	close $fh	377	close $fh
355	or return;	378	or return;
…		…
361	}	384	}
362		385
363	=back	386	=back
364		387
365	=cut	388	=cut
366
367	#############################################################################
368
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477
478	$path
479	}
480
481	# the original (read-only) location
482	sub load_path {
483	my ($self) = @_;
484
485	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
486	}
487
488	# the temporary/swap location
489	sub save_path {
490	my ($self) = @_;
491
492	$self->{user_rel}
493	? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
494	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
495	}
496
497	# the unique path, undef == no special unique path
498	sub uniq_path {
499	my ($self) = @_;
500
501	$self->{user_rel} || $self->{ext}
502	? undef
503	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
504	}
505
506	sub customise_for {
507	my ($self, $map, $ob) = @_;
508
509	if ($map->per_player) {
510	return cf::map::find ("~" . $ob->name . "/" . $map->{path}{path});
511	}
512
513	$map
514	}
515
516	# this is somewhat ugly, but style maps do need special treatment
517	sub is_style_map {
518	$_[0]{path} =~ m{^/styles/}
519	}
520
521	sub load_orig {
522	my ($self) = @_;
523
524	&cf::map::load_map_header ($self->load_path)
525	}
526
527	sub load_temp {
528	my ($self) = @_;
529
530	&cf::map::load_map_header ($self->save_path)
531	}
532
533	sub unlink_save {
534	my ($self) = @_;
535
536	utf8::encode (my $save = $self->save_path);
537	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
538	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
539	}
540
541	package cf;
542		389
543	#############################################################################	390	#############################################################################
544		391
545	=head2 ATTACHABLE OBJECTS	392	=head2 ATTACHABLE OBJECTS
546		393
…		…
672	our @CB_TYPE = (); # registry for type (cf-object class) based events	519	our @CB_TYPE = (); # registry for type (cf-object class) based events
673	our @CB_MAP = ();	520	our @CB_MAP = ();
674		521
675	my %attachment;	522	my %attachment;
676		523
		524	sub cf::attachable::thawer_merge {
		525	# simply override everything except _meta
		526	local $_[0]{_meta};
		527	%{$_[0]} = %{$_[1]};
		528	}
		529
677	sub _attach_cb($$$$) {	530	sub _attach_cb($$$$) {
678	my ($registry, $event, $prio, $cb) = @_;	531	my ($registry, $event, $prio, $cb) = @_;
679		532
680	use sort 'stable';	533	use sort 'stable';
681		534
…		…
852	# object support	705	# object support
853		706
854	sub reattach {	707	sub reattach {
855	# basically do the same as instantiate, without calling instantiate	708	# basically do the same as instantiate, without calling instantiate
856	my ($obj) = @_;	709	my ($obj) = @_;
		710
		711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
857		712
858	my $registry = $obj->registry;	713	my $registry = $obj->registry;
859		714
860	@$registry = ();	715	@$registry = ();
861		716
…		…
908	$filename, length $$rdata, scalar @$objs;	763	$filename, length $$rdata, scalar @$objs;
909		764
910	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
911	chmod SAVE_MODE, $fh;	766	chmod SAVE_MODE, $fh;
912	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
913	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
914	close $fh;	769	close $fh;
915		770
916	if (@$objs) {	771	if (@$objs) {
917	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
918	chmod SAVE_MODE, $fh;	773	chmod SAVE_MODE, $fh;
919	my $data = Storable::nfreeze { version => 1, objs => $objs };	774	my $data = Storable::nfreeze { version => 1, objs => $objs };
920	aio_write $fh, 0, (length $data), $data, 0;	775	aio_write $fh, 0, (length $data), $data, 0;
921	aio_fsync $fh;	776	aio_fsync $fh if $cf::USE_FSYNC;
922	close $fh;	777	close $fh;
923	aio_rename "$filename.pst~", "$filename.pst";	778	aio_rename "$filename.pst~", "$filename.pst";
924	}	779	}
925	} else {	780	} else {
926	aio_unlink "$filename.pst";	781	aio_unlink "$filename.pst";
…		…
1048	"package $pkg; use strict; use utf8;\n"	903	"package $pkg; use strict; use utf8;\n"
1049	. "#line 1 \"$path\"\n{\n"	904	. "#line 1 \"$path\"\n{\n"
1050	. (do { local $/; <$fh> })	905	. (do { local $/; <$fh> })
1051	. "\n};\n1";	906	. "\n};\n1";
1052		907
1053	eval $source	908	unless (eval $source) {
1054	or die $@ ? "$path: $@\n"	909	my $msg = $@ ? "$path: $@\n"
1055	: "extension disabled.\n";	910	: "extension disabled.\n";
		911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
		912	warn $@;
		913	warn "mandatory extension failed to load, exiting.\n";
		914	exit 1;
		915	}
		916	die $@;
		917	}
1056		918
1057	push @EXTS, $pkg;	919	push @EXTS, $pkg;
1058	}	920	}
1059		921
1060	sub load_extensions {	922	sub load_extensions {
…		…
1066	} or warn "$ext not loaded: $@";	928	} or warn "$ext not loaded: $@";
1067	}	929	}
1068	}	930	}
1069		931
1070	#############################################################################	932	#############################################################################
1071	# load/save/clean perl data associated with a map
1072
1073	*cf::mapsupport::on_clean = sub {
1074	my ($map) = @_;
1075
1076	my $path = $map->tmpname;
1077	defined $path or return;
1078
1079	unlink "$path.pst";
1080	};
1081
1082	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1083
1084	#############################################################################
1085		933
1086	=head2 CORE EXTENSIONS	934	=head2 CORE EXTENSIONS
1087		935
1088	Functions and methods that extend core crossfire objects.	936	Functions and methods that extend core crossfire objects.
1089		937
…		…
1125		973
1126	sub exists($) {	974	sub exists($) {
1127	my ($login) = @_;	975	my ($login) = @_;
1128		976
1129	$cf::PLAYER{$login}	977	$cf::PLAYER{$login}
1130	or cf::sync_job { !aio_stat $login }	978	or cf::sync_job { !aio_stat path $login }
1131	}	979	}
1132		980
1133	sub find($) {	981	sub find($) {
1134	return $cf::PLAYER{$_[0]} || do {	982	return $cf::PLAYER{$_[0]} || do {
1135	my $login = $_[0];	983	my $login = $_[0];
…		…
1181		1029
1182	=cut	1030	=cut
1183		1031
1184	sub quit_character {	1032	sub quit_character {
1185	my ($pl) = @_;	1033	my ($pl) = @_;
		1034
		1035	my $name = $pl->ob->name;
1186		1036
1187	$pl->{deny_save} = 1;	1037	$pl->{deny_save} = 1;
1188	$pl->password ("*"); # this should lock out the player until we nuked the dir	1038	$pl->password ("*"); # this should lock out the player until we nuked the dir
1189		1039
1190	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1040	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1195	my $path = playerdir $pl;	1045	my $path = playerdir $pl;
1196	my $temp = "$path~$cf::RUNTIME~deleting~";	1046	my $temp = "$path~$cf::RUNTIME~deleting~";
1197	aio_rename $path, $temp;	1047	aio_rename $path, $temp;
1198	delete $cf::PLAYER{$pl->ob->name};	1048	delete $cf::PLAYER{$pl->ob->name};
1199	$pl->destroy;	1049	$pl->destroy;
		1050
		1051	my $prefix = qr<^~\Q$name\E/>;
		1052
		1053	# nuke player maps
		1054	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1055
1200	IO::AIO::aio_rmtree $temp;	1056	IO::AIO::aio_rmtree $temp;
1201	}	1057	}
1202		1058
1203	=item cf::player::list_logins	1059	=item cf::player::list_logins
1204		1060
…		…
1225	\@logins	1081	\@logins
1226	}	1082	}
1227		1083
1228	=item $player->maps	1084	=item $player->maps
1229		1085
1230	Returns an arrayref of cf::path's of all maps that are private for this	1086	Returns an arrayref of map paths that are private for this
1231	player. May block.	1087	player. May block.
1232		1088
1233	=cut	1089	=cut
1234		1090
1235	sub maps($) {	1091	sub maps($) {
1236	my ($pl) = @_;	1092	my ($pl) = @_;
		1093
		1094	$pl = ref $pl ? $pl->ob->name : $pl;
1237		1095
1238	my $files = aio_readdir playerdir $pl	1096	my $files = aio_readdir playerdir $pl
1239	or return;	1097	or return;
1240		1098
1241	my @paths;	1099	my @paths;
…		…
1243	for (@$files) {	1101	for (@$files) {
1244	utf8::decode $_;	1102	utf8::decode $_;
1245	next if /\.(?:pl|pst)$/;	1103	next if /\.(?:pl|pst)$/;
1246	next unless /^$PATH_SEP/o;	1104	next unless /^$PATH_SEP/o;
1247		1105
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1106	push @paths, cf::map::normalise "~$pl/$_";
1249	}	1107	}
1250		1108
1251	\@paths	1109	\@paths
1252	}	1110	}
1253		1111
…		…
1279	package cf::map;	1137	package cf::map;
1280		1138
1281	use Fcntl;	1139	use Fcntl;
1282	use Coro::AIO;	1140	use Coro::AIO;
1283		1141
		1142	use overload
		1143	'""' => \&as_string,
		1144	fallback => 1;
		1145
1284	our $MAX_RESET = 3600;	1146	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1147	our $DEFAULT_RESET = 3000;
1286		1148
1287	sub generate_random_map {	1149	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1150	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1151	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map (	1152	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1153	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1154	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1155	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1156	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1157	$rmp->{xsize}, $rmp->{ysize},
…		…
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1162	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region}), $rmp->{custom}	1163	(cf::region::find $rmp->{region}), $rmp->{custom}
1304	)	1164	)
1305	}	1165	}
1306		1166
		1167	=item cf::map->register ($regex, $prio)
		1168
		1169	Register a handler for the map path matching the given regex at the
		1170	givne priority (higher is better, built-in handlers have priority 0, the
		1171	default).
		1172
		1173	=cut
		1174
		1175	sub register {
		1176	my (undef, $regex, $prio) = @_;
		1177	my $pkg = caller;
		1178
		1179	no strict;
		1180	push @{"$pkg\::ISA"}, __PACKAGE__;
		1181
		1182	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1183	}
		1184
		1185	# also paths starting with '/'
		1186	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1187
		1188	sub thawer_merge {
		1189	my ($self, $merge) = @_;
		1190
		1191	# we have to keep some variables in memory intact
		1192	local $self->{path};
		1193	local $self->{load_path};
		1194	local $self->{deny_save};
		1195	local $self->{deny_reset};
		1196
		1197	$self->SUPER::thawer_merge ($merge);
		1198	}
		1199
		1200	sub normalise {
		1201	my ($path, $base) = @_;
		1202
		1203	$path = "$path"; # make sure its a string
		1204
		1205	$path =~ s/\.map$//;
		1206
		1207	# map plan:
		1208	#
		1209	# /! non-realised random map exit (special hack!)
		1210	# {... are special paths that are not being touched
		1211	# ?xxx/... are special absolute paths
		1212	# ?random/... random maps
		1213	# /... normal maps
		1214	# ~user/... per-player map of a specific user
		1215
		1216	$path =~ s/$PATH_SEP/\//go;
		1217
		1218	# treat it as relative path if it starts with
		1219	# something that looks reasonable
		1220	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1221	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1222
		1223	$base =~ s{[^/]+/?$}{};
		1224	$path = "$base/$path";
		1225	}
		1226
		1227	for ($path) {
		1228	redo if s{//}{/};
		1229	redo if s{/\.?/}{/};
		1230	redo if s{/[^/]+/\.\./}{/};
		1231	}
		1232
		1233	$path
		1234	}
		1235
		1236	sub new_from_path {
		1237	my (undef, $path, $base) = @_;
		1238
		1239	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1240
		1241	$path = normalise $path, $base;
		1242
		1243	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1244	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1245	my $self = bless cf::map::new, $pkg;
		1246	$self->{path} = $path; $self->path ($path);
		1247	$self->init; # pass $1 etc.
		1248	return $self;
		1249	}
		1250	}
		1251
		1252	Carp::carp "unable to resolve path '$path' (base '$base').";
		1253	()
		1254	}
		1255
		1256	sub init {
		1257	my ($self) = @_;
		1258
		1259	$self
		1260	}
		1261
		1262	sub as_string {
		1263	my ($self) = @_;
		1264
		1265	"$self->{path}"
		1266	}
		1267
		1268	# the displayed name, this is a one way mapping
		1269	sub visible_name {
		1270	&as_string
		1271	}
		1272
		1273	# the original (read-only) location
		1274	sub load_path {
		1275	my ($self) = @_;
		1276
		1277	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1278	}
		1279
		1280	# the temporary/swap location
		1281	sub save_path {
		1282	my ($self) = @_;
		1283
		1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1285	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1286	}
		1287
		1288	# the unique path, undef == no special unique path
		1289	sub uniq_path {
		1290	my ($self) = @_;
		1291
		1292	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1293	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
		1294	}
		1295
1307	# and all this just because we cannot iterate over	1296	# and all this just because we cannot iterate over
1308	# all maps in C++...	1297	# all maps in C++...
1309	sub change_all_map_light {	1298	sub change_all_map_light {
1310	my ($change) = @_;	1299	my ($change) = @_;
1311		1300
1312	$_->change_map_light ($change)	1301	$_->change_map_light ($change)
1313	for grep $_->outdoor, values %cf::MAP;	1302	for grep $_->outdoor, values %cf::MAP;
1314	}	1303	}
1315		1304
		1305	sub unlink_save {
		1306	my ($self) = @_;
		1307
		1308	utf8::encode (my $save = $self->save_path);
		1309	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1311	}
		1312
1316	sub load_map_header($) {	1313	sub load_header_from($) {
1317	my ($path) = @_;	1314	my ($self, $path) = @_;
1318		1315
1319	utf8::encode $path;	1316	utf8::encode $path;
1320	aio_open $path, O_RDONLY, 0	1317	#aio_open $path, O_RDONLY, 0
		1318	# or return;
		1319
		1320	$self->_load_header ($path)
1321	or return;	1321	or return;
1322		1322
1323	my $map = cf::map::new	1323	$self->{load_path} = $path;
		1324
		1325	1
		1326	}
		1327
		1328	sub load_header_orig {
		1329	my ($self) = @_;
		1330
		1331	$self->load_header_from ($self->load_path)
		1332	}
		1333
		1334	sub load_header_temp {
		1335	my ($self) = @_;
		1336
		1337	$self->load_header_from ($self->save_path)
		1338	}
		1339
		1340	sub prepare_temp {
		1341	my ($self) = @_;
		1342
		1343	$self->last_access ((delete $self->{last_access})
		1344	|| $cf::RUNTIME); #d#
		1345	# safety
		1346	$self->{instantiate_time} = $cf::RUNTIME
		1347	if $self->{instantiate_time} > $cf::RUNTIME;
		1348	}
		1349
		1350	sub prepare_orig {
		1351	my ($self) = @_;
		1352
		1353	$self->{load_original} = 1;
		1354	$self->{instantiate_time} = $cf::RUNTIME;
		1355	$self->last_access ($cf::RUNTIME);
		1356	$self->instantiate;
		1357	}
		1358
		1359	sub load_header {
		1360	my ($self) = @_;
		1361
		1362	if ($self->load_header_temp) {
		1363	$self->prepare_temp;
		1364	} else {
		1365	$self->load_header_orig
1324	or return;	1366	or return;
		1367	$self->prepare_orig;
		1368	}
1325		1369
1326	# for better error messages only, will be overwritten later	1370	1
1327	$map->path ($path);
1328
1329	$map->load_header ($path)
1330	or return;
1331
1332	$map->{load_path} = $path;
1333
1334	$map
1335	}	1371	}
1336		1372
1337	sub find;	1373	sub find;
1338	sub find {	1374	sub find {
1339	my ($path, $origin) = @_;	1375	my ($path, $origin) = @_;
1340		1376
1341	#warn "find<$path,$origin>\n";#d#
1342
1343	$path = new cf::path $path, $origin && $origin->path;	1377	$path = normalise $path, $origin && $origin->path;
1344	my $key = $path->as_string;
1345		1378
1346	cf::lock_wait "map_find:$key";	1379	cf::lock_wait "map_find:$path";
1347		1380
1348	$cf::MAP{$key} || do {	1381	$cf::MAP{$path} || do {
1349	my $guard = cf::lock_acquire "map_find:$key";	1382	my $guard = cf::lock_acquire "map_find:$path";
1350		1383	my $map = new_from_path cf::map $path
1351	# do it the slow way
1352	my $map = $path->load_temp;
1353
1354	Coro::cede;
1355
1356	if ($map) {
1357	$map->last_access ((delete $map->{last_access})
1358	|| $cf::RUNTIME); #d#
1359	# safety
1360	$map->{instantiate_time} = $cf::RUNTIME
1361	if $map->{instantiate_time} > $cf::RUNTIME;
1362	} else {
1363	$map = $path->load_orig
1364	or return;	1384	or return;
1365		1385
1366	$map->{load_original} = 1;
1367	$map->{instantiate_time} = $cf::RUNTIME;
1368	$map->last_access ($cf::RUNTIME);
1369	$map->instantiate;
1370
1371	# per-player maps become, after loading, normal maps
1372	$map->per_player (0) if $path->{user_rel};
1373	}
1374
1375	$map->path ($key);
1376	$map->{path} = $path;
1377	$map->{last_save} = $cf::RUNTIME;	1386	$map->{last_save} = $cf::RUNTIME;
1378		1387
1379	Coro::cede;	1388	$map->load_header
		1389	or return;
1380		1390
1381	if ($map->should_reset) {	1391	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1392	# doing this can freeze the server in a sync job, obviously
		1393	#$cf::WAIT_FOR_TICK->wait;
1382	$map->reset;	1394	$map->reset;
1383	undef $guard;	1395	undef $guard;
1384	$map = find $path	1396	return find $path;
1385	or return;
1386	}	1397	}
1387		1398
1388	$cf::MAP{$key} = $map	1399	$cf::MAP{$path} = $map
1389	}	1400	}
1390	}	1401	}
		1402
		1403	sub pre_load { }
		1404	sub post_load { }
1391		1405
1392	sub load {	1406	sub load {
1393	my ($self) = @_;	1407	my ($self) = @_;
1394		1408
		1409	local $self->{deny_reset} = 1; # loading can take a long time
		1410
1395	my $path = $self->{path};	1411	my $path = $self->{path};
1396	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1412	my $guard = cf::lock_acquire "map_load:$path";
1397		1413
1398	return if $self->in_memory != cf::MAP_SWAPPED;	1414	return if $self->in_memory != cf::MAP_SWAPPED;
1399		1415
1400	$self->in_memory (cf::MAP_LOADING);	1416	$self->in_memory (cf::MAP_LOADING);
1401		1417
1402	$self->alloc;	1418	$self->alloc;
		1419
		1420	$self->pre_load;
		1421
1403	$self->load_objects ($self->{load_path}, 1)	1422	$self->_load_objects ($self->{load_path}, 1)
1404	or return;	1423	or return;
1405		1424
1406	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1425	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1407	if delete $self->{load_original};	1426	if delete $self->{load_original};
1408		1427
1409	if (my $uniq = $path->uniq_path) {	1428	if (my $uniq = $self->uniq_path) {
1410	utf8::encode $uniq;	1429	utf8::encode $uniq;
1411	if (aio_open $uniq, O_RDONLY, 0) {	1430	if (aio_open $uniq, O_RDONLY, 0) {
1412	$self->clear_unique_items;	1431	$self->clear_unique_items;
1413	$self->load_objects ($uniq, 0);	1432	$self->_load_objects ($uniq, 0);
1414	}	1433	}
1415	}	1434	}
1416		1435
1417	Coro::cede;	1436	Coro::cede;
1418		1437
1419	# now do the right thing for maps	1438	# now do the right thing for maps
1420	$self->link_multipart_objects;	1439	$self->link_multipart_objects;
1421		1440
1422	if ($self->{path}->is_style_map) {	1441	unless ($self->{deny_activate}) {
1423	$self->{deny_save} = 1;
1424	$self->{deny_reset} = 1;
1425	} else {
1426	$self->decay_objects;	1442	$self->decay_objects;
1427	$self->fix_auto_apply;	1443	$self->fix_auto_apply;
1428	$self->update_buttons;	1444	$self->update_buttons;
		1445	Coro::cede;
1429	$self->set_darkness_map;	1446	$self->set_darkness_map;
1430	$self->difficulty ($self->estimate_difficulty)	1447	$self->difficulty ($self->estimate_difficulty)
1431	unless $self->difficulty;	1448	unless $self->difficulty;
		1449	Coro::cede;
1432	$self->activate;	1450	$self->activate;
1433	}	1451	}
1434		1452
1435	Coro::cede;	1453	$self->post_load;
1436		1454
1437	$self->in_memory (cf::MAP_IN_MEMORY);	1455	$self->in_memory (cf::MAP_IN_MEMORY);
		1456	}
		1457
		1458	sub customise_for {
		1459	my ($self, $ob) = @_;
		1460
		1461	return find "~" . $ob->name . "/" . $self->{path}
		1462	if $self->per_player;
		1463
		1464	$self
1438	}	1465	}
1439		1466
1440	# find and load all maps in the 3x3 area around a map	1467	# find and load all maps in the 3x3 area around a map
1441	sub load_diag {	1468	sub load_diag {
1442	my ($map) = @_;	1469	my ($map) = @_;
…		…
1472		1499
1473	cf::sync_job { $map->load };	1500	cf::sync_job { $map->load };
1474	}	1501	}
1475		1502
1476	our %MAP_PREFETCH;	1503	our %MAP_PREFETCH;
1477	our $MAP_PREFETCHER = Coro::async {	1504	our $MAP_PREFETCHER = undef;
1478	while () {
1479	while (%MAP_PREFETCH) {
1480	my $key = each %MAP_PREFETCH
1481	or next;
1482	my $path = delete $MAP_PREFETCH{$key};
1483
1484	my $map = find $path
1485	or next;
1486	$map->load;
1487	}
1488	Coro::schedule;
1489	}
1490	};
1491		1505
1492	sub find_async {	1506	sub find_async {
1493	my ($path, $origin) = @_;	1507	my ($path, $origin) = @_;
1494		1508
1495	$path = new cf::path $path, $origin && $origin->path;	1509	$path = normalise $path, $origin && $origin->{path};
1496	my $key = $path->as_string;
1497		1510
1498	if (my $map = $cf::MAP{$key}) {	1511	if (my $map = $cf::MAP{$path}) {
1499	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1512	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1500	}	1513	}
1501		1514
1502	$MAP_PREFETCH{$key} = $path;	1515	undef $MAP_PREFETCH{$path};
		1516	$MAP_PREFETCHER ||= cf::async {
		1517	while (%MAP_PREFETCH) {
		1518	for my $path (keys %MAP_PREFETCH) {
		1519	my $map = find $path
		1520	or next;
		1521	$map->load;
		1522
		1523	delete $MAP_PREFETCH{$path};
		1524	}
		1525	}
		1526	undef $MAP_PREFETCHER;
		1527	};
1503	$MAP_PREFETCHER->ready;	1528	$MAP_PREFETCHER->prio (6);
1504		1529
1505	()	1530	()
1506	}	1531	}
1507		1532
1508	sub save {	1533	sub save {
…		…
1512		1537
1513	$self->{last_save} = $cf::RUNTIME;	1538	$self->{last_save} = $cf::RUNTIME;
1514		1539
1515	return unless $self->dirty;	1540	return unless $self->dirty;
1516		1541
1517	my $save = $self->{path}->save_path; utf8::encode $save;	1542	my $save = $self->save_path; utf8::encode $save;
1518	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1543	my $uniq = $self->uniq_path; utf8::encode $uniq;
1519		1544
1520	$self->{load_path} = $save;	1545	$self->{load_path} = $save;
1521		1546
1522	return if $self->{deny_save};	1547	return if $self->{deny_save};
1523		1548
…		…
1526	cf::async {	1551	cf::async {
1527	$_->contr->save for $self->players;	1552	$_->contr->save for $self->players;
1528	};	1553	};
1529		1554
1530	if ($uniq) {	1555	if ($uniq) {
1531	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1556	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1532	$self->save_objects ($uniq, cf::IO_UNIQUES);	1557	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1533	} else {	1558	} else {
1534	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1535	}	1560	}
1536	}	1561	}
1537		1562
1538	sub swap_out {	1563	sub swap_out {
1539	my ($self) = @_;	1564	my ($self) = @_;
…		…
1553		1578
1554	sub reset_at {	1579	sub reset_at {
1555	my ($self) = @_;	1580	my ($self) = @_;
1556		1581
1557	# TODO: safety, remove and allow resettable per-player maps	1582	# TODO: safety, remove and allow resettable per-player maps
1558	return 1e99 if $self->{path}{user_rel};	1583	return 1e99 if $self->isa ("ext::map_per_player");#d#
1559	return 1e99 if $self->{deny_reset};	1584	return 1e99 if $self->{deny_reset};
1560		1585
1561	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1586	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1562	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1587	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1563		1588
…		…
1568	my ($self) = @_;	1593	my ($self) = @_;
1569		1594
1570	$self->reset_at <= $cf::RUNTIME	1595	$self->reset_at <= $cf::RUNTIME
1571	}	1596	}
1572		1597
1573	sub rename {
1574	my ($self, $new_path) = @_;
1575
1576	$self->{path}->unlink_save;
1577
1578	delete $cf::MAP{$self->path};
1579	$self->{path} = new cf::path $new_path;
1580	$self->path ($self->{path}->as_string);
1581	$cf::MAP{$self->path} = $self;
1582
1583	$self->save;
1584	}
1585
1586	sub reset {	1598	sub reset {
1587	my ($self) = @_;	1599	my ($self) = @_;
1588		1600
1589	my $lock = cf::lock_acquire "map_data:" . $self->path;	1601	my $lock = cf::lock_acquire "map_data:$self->{path}";
1590		1602
1591	return if $self->players;	1603	return if $self->players;
1592	return if $self->{path}{user_rel};#d#	1604	return if $self->isa ("ext::map_per_player");#d#
1593		1605
1594	warn "resetting map ", $self->path;#d#	1606	warn "resetting map ", $self->path;#d#
1595		1607
		1608	$self->in_memory (cf::MAP_SWAPPED);
		1609
		1610	# need to save uniques path
		1611	unless ($self->{deny_save}) {
		1612	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1613
		1614	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1615	if $uniq;
		1616	}
		1617
1596	delete $cf::MAP{$self->path};	1618	delete $cf::MAP{$self->path};
1597		1619
		1620	$self->clear;
		1621
1598	$_->clear_links_to ($self) for values %cf::MAP;	1622	$_->clear_links_to ($self) for values %cf::MAP;
1599		1623
1600	$self->{path}->unlink_save;	1624	$self->unlink_save;
1601	$self->destroy;	1625	$self->destroy;
1602	}	1626	}
1603		1627
1604	my $nuke_counter = "aaaa";	1628	my $nuke_counter = "aaaa";
1605		1629
1606	sub nuke {	1630	sub nuke {
1607	my ($self) = @_;	1631	my ($self) = @_;
1608		1632
		1633	delete $cf::MAP{$self->path};
		1634
		1635	$self->unlink_save;
		1636
		1637	bless $self, "cf::map";
		1638	delete $self->{deny_reset};
1609	$self->{deny_save} = 1;	1639	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	1640	$self->reset_timeout (1);
1611	$self->rename ("{nuke}/" . ($nuke_counter++));	1641	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1642
		1643	$cf::MAP{$self->path} = $self;
		1644
1612	$self->reset; # polite request, might not happen	1645	$self->reset; # polite request, might not happen
1613	}	1646	}
1614		1647
1615	=item cf::map::unique_maps	1648	=item cf::map::unique_maps
1616		1649
1617	Returns an arrayref of cf::path's of all shared maps that have	1650	Returns an arrayref of paths of all shared maps that have
1618	instantiated unique items. May block.	1651	instantiated unique items. May block.
1619		1652
1620	=cut	1653	=cut
1621		1654
1622	sub unique_maps() {	1655	sub unique_maps() {
…		…
1628	for (@$files) {	1661	for (@$files) {
1629	utf8::decode $_;	1662	utf8::decode $_;
1630	next if /\.pst$/;	1663	next if /\.pst$/;
1631	next unless /^$PATH_SEP/o;	1664	next unless /^$PATH_SEP/o;
1632		1665
1633	push @paths, new cf::path $_;	1666	push @paths, cf::map::normalise $_;
1634	}	1667	}
1635		1668
1636	\@paths	1669	\@paths
1637	}	1670	}
1638		1671
…		…
1713		1746
1714	=item $player_object->enter_link	1747	=item $player_object->enter_link
1715		1748
1716	Freezes the player and moves him/her to a special map (C<{link}>).	1749	Freezes the player and moves him/her to a special map (C<{link}>).
1717		1750
1718	The player should be reaosnably safe there for short amounts of time. You	1751	The player should be reasonably safe there for short amounts of time. You
1719	I<MUST> call C<leave_link> as soon as possible, though.	1752	I<MUST> call C<leave_link> as soon as possible, though.
1720		1753
		1754	Will never block.
		1755
1721	=item $player_object->leave_link ($map, $x, $y)	1756	=item $player_object->leave_link ($map, $x, $y)
1722		1757
1723	Moves the player out of the specila link map onto the given map. If the	1758	Moves the player out of the special C<{link}> map onto the specified
1724	map is not valid (or omitted), the player will be moved back to the	1759	map. If the map is not valid (or omitted), the player will be moved back
1725	location he/she was before the call to C<enter_link>, or, if that fails,	1760	to the location he/she was before the call to C<enter_link>, or, if that
1726	to the emergency map position.	1761	fails, to the emergency map position.
1727		1762
1728	Might block.	1763	Might block.
1729		1764
1730	=cut	1765	=cut
		1766
		1767	sub link_map {
		1768	unless ($LINK_MAP) {
		1769	$LINK_MAP = cf::map::find "{link}"
		1770	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1771	$LINK_MAP->load;
		1772	}
		1773
		1774	$LINK_MAP
		1775	}
1731		1776
1732	sub cf::object::player::enter_link {	1777	sub cf::object::player::enter_link {
1733	my ($self) = @_;	1778	my ($self) = @_;
1734		1779
1735	$self->deactivate_recursive;	1780	$self->deactivate_recursive;
1736		1781
1737	return if $self->map == $LINK_MAP;	1782	return if UNIVERSAL::isa $self->map, "ext::map_link";
1738		1783
1739	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1784	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1740	if $self->map;	1785	if $self->map;
1741		1786
1742	$self->enter_map ($LINK_MAP, 20, 20);	1787	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1743	}	1788	}
1744		1789
1745	sub cf::object::player::leave_link {	1790	sub cf::object::player::leave_link {
1746	my ($self, $map, $x, $y) = @_;	1791	my ($self, $map, $x, $y) = @_;
1747		1792
…		…
1769	$map->load;	1814	$map->load;
1770	$map->load_diag;	1815	$map->load_diag;
1771		1816
1772	return unless $self->contr->active;	1817	return unless $self->contr->active;
1773	$self->activate_recursive;	1818	$self->activate_recursive;
		1819
		1820	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1774	$self->enter_map ($map, $x, $y);	1821	$self->enter_map ($map, $x, $y);
1775	}	1822	}
1776		1823
1777	cf::player->attach (	1824	cf::player->attach (
1778	on_logout => sub {	1825	on_logout => sub {
…		…
1791	# try to abort aborted map switching on player login :)	1838	# try to abort aborted map switching on player login :)
1792	# should happen only on crashes	1839	# should happen only on crashes
1793	if ($pl->ob->{_link_pos}) {	1840	if ($pl->ob->{_link_pos}) {
1794	$pl->ob->enter_link;	1841	$pl->ob->enter_link;
1795	(async {	1842	(async {
1796	# we need this sleep as the login has a concurrent enter_exit running
1797	# and this sleep increases chances of the player not ending up in scorn
1798	$pl->ob->reply (undef,	1843	$pl->ob->reply (undef,
1799	"There was an internal problem at your last logout, "	1844	"There was an internal problem at your last logout, "
1800	. "the server will try to bring you to your intended destination in a second.",	1845	. "the server will try to bring you to your intended destination in a second.",
1801	cf::NDI_RED);	1846	cf::NDI_RED);
		1847	# we need this sleep as the login has a concurrent enter_exit running
		1848	# and this sleep increases chances of the player not ending up in scorn
1802	Coro::Timer::sleep 1;	1849	Coro::Timer::sleep 1;
1803	$pl->ob->leave_link;	1850	$pl->ob->leave_link;
1804	})->prio (2);	1851	})->prio (2);
1805	}	1852	}
1806	},	1853	},
…		…
1811	=cut	1858	=cut
1812		1859
1813	sub cf::object::player::goto {	1860	sub cf::object::player::goto {
1814	my ($self, $path, $x, $y) = @_;	1861	my ($self, $path, $x, $y) = @_;
1815		1862
1816	$path = new cf::path $path;
1817
1818	$self->enter_link;	1863	$self->enter_link;
1819		1864
1820	(async {	1865	(async {
		1866	my $map = eval {
1821	my $map = cf::map::find $path->as_string;	1867	my $map = cf::map::find $path;
1822	$map = $map->{path}->customise_for ($map, $self) if $map;	1868	$map = $map->customise_for ($self) if $map;
1823		1869	$map
1824	# warn "entering ", $map->path, " at ($x, $y)\n"	1870	} or
1825	# if $map;
1826
1827	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1871	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1828		1872
1829	$self->leave_link ($map, $x, $y);	1873	$self->leave_link ($map, $x, $y);
1830	})->prio (1);	1874	})->prio (1);
1831	}	1875	}
1832		1876
…		…
1836		1880
1837	sub parse_random_map_params {	1881	sub parse_random_map_params {
1838	my ($spec) = @_;	1882	my ($spec) = @_;
1839		1883
1840	my $rmp = { # defaults	1884	my $rmp = { # defaults
1841	xsize => 10,	1885	xsize => (cf::rndm 15, 40),
1842	ysize => 10,	1886	ysize => (cf::rndm 15, 40),
		1887	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1888	#layout => string,
1843	};	1889	};
1844		1890
1845	for (split /\n/, $spec) {	1891	for (split /\n/, $spec) {
1846	my ($k, $v) = split /\s+/, $_, 2;	1892	my ($k, $v) = split /\s+/, $_, 2;
1847		1893
…		…
1851	$rmp	1897	$rmp
1852	}	1898	}
1853		1899
1854	sub prepare_random_map {	1900	sub prepare_random_map {
1855	my ($exit) = @_;	1901	my ($exit) = @_;
		1902
		1903	my $guard = cf::lock_acquire "exit_prepare:$exit";
1856		1904
1857	# all this does is basically replace the /! path by	1905	# all this does is basically replace the /! path by
1858	# a new random map path (?random/...) with a seed	1906	# a new random map path (?random/...) with a seed
1859	# that depends on the exit object	1907	# that depends on the exit object
1860		1908
1861	my $rmp = parse_random_map_params $exit->msg;	1909	my $rmp = parse_random_map_params $exit->msg;
1862		1910
1863	if ($exit->map) {	1911	if ($exit->map) {
1864	$rmp->{region} = $exit->map->region_name;	1912	$rmp->{region} = $exit->region->name;
1865	$rmp->{origin_map} = $exit->map->path;	1913	$rmp->{origin_map} = $exit->map->path;
1866	$rmp->{origin_x} = $exit->x;	1914	$rmp->{origin_x} = $exit->x;
1867	$rmp->{origin_y} = $exit->y;	1915	$rmp->{origin_y} = $exit->y;
1868	}	1916	}
1869		1917
1870	$rmp->{random_seed} ||= $exit->random_seed;	1918	$rmp->{random_seed} ||= $exit->random_seed;
1871		1919
1872	my $data = cf::to_json $rmp;	1920	my $data = cf::to_json $rmp;
1873	my $md5 = Digest::MD5::md5_hex $data;	1921	my $md5 = Digest::MD5::md5_hex $data;
		1922	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1874		1923
1875	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1924	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1876	aio_write $fh, 0, (length $data), $data, 0;	1925	aio_write $fh, 0, (length $data), $data, 0;
		1926	undef $fh;
		1927	aio_rename "$meta~", $meta;
1877		1928
1878	$exit->slaying ("?random/$md5");	1929	$exit->slaying ("?random/$md5");
1879	$exit->msg (undef);	1930	$exit->msg (undef);
1880	}	1931	}
1881	}	1932	}
1882		1933
1883	sub cf::object::player::enter_exit {	1934	sub cf::object::player::enter_exit {
1884	my ($self, $exit) = @_;	1935	my ($self, $exit) = @_;
1885		1936
1886	return unless $self->type == cf::PLAYER;	1937	return unless $self->type == cf::PLAYER;
		1938
		1939	if ($exit->slaying eq "/!") {
		1940	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1941	cf::sync_job { prepare_random_map $exit };
		1942	}
		1943
		1944	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1945	my $hp = $exit->stats->hp;
		1946	my $sp = $exit->stats->sp;
1887		1947
1888	$self->enter_link;	1948	$self->enter_link;
1889		1949
1890	(async {	1950	(async {
1891	$self->deactivate_recursive; # just to be sure	1951	$self->deactivate_recursive; # just to be sure
1892	unless (eval {	1952	unless (eval {
1893	prepare_random_map $exit	1953	$self->goto ($slaying, $hp, $sp);
1894	if $exit->slaying eq "/!";
1895
1896	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1897	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1898		1954
1899	1;	1955	1;
1900	}) {	1956	}) {
1901	$self->message ("Something went wrong deep within the crossfire server. "	1957	$self->message ("Something went wrong deep within the crossfire server. "
1902	. "I'll try to bring you back to the map you were before. "	1958	. "I'll try to bring you back to the map you were before. "
…		…
1963	# get handled first	2019	# get handled first
1964	my $queue = delete $ns->{query_queue}	2020	my $queue = delete $ns->{query_queue}
1965	or return; # be conservative, not sure how that can happen, but we saw a crash here	2021	or return; # be conservative, not sure how that can happen, but we saw a crash here
1966		2022
1967	(shift @$queue)->[1]->($msg);	2023	(shift @$queue)->[1]->($msg);
		2024	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1968		2025
1969	push @{ $ns->{query_queue} }, @$queue;	2026	push @{ $ns->{query_queue} }, @$queue;
1970		2027
1971	if (@{ $ns->{query_queue} } == @$queue) {	2028	if (@{ $ns->{query_queue} } == @$queue) {
1972	if (@$queue) {	2029	if (@$queue) {
…		…
2133	The parameter C<$family> should best start with the name of the extension	2190	The parameter C<$family> should best start with the name of the extension
2134	using it, it should be unique.	2191	using it, it should be unique.
2135		2192
2136	=over 4	2193	=over 4
2137		2194
2138	=item $hashref = cf::db_get $family
2139
2140	Return a hashref for use by the extension C<$family>, which can be
2141	modified. After modifications, you have to call C<cf::db_dirty> or
2142	C<cf::db_sync>.
2143
2144	=item $value = cf::db_get $family => $key	2195	=item $value = cf::db_get $family => $key
2145		2196
2146	Returns a single value from the database	2197	Returns a single value from the database.
2147
2148	=item cf::db_put $family => $hashref
2149
2150	Stores the given family hashref into the database. Updates are delayed, if
2151	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2152		2198
2153	=item cf::db_put $family => $key => $value	2199	=item cf::db_put $family => $key => $value
2154		2200
2155	Stores the given C<$value> in the family hash. Updates are delayed, if you	2201	Stores the given C<$value> in the family.
2156	want the data to be synced to disk immediately, use C<cf::db_sync>.
2157
2158	=item cf::db_dirty
2159
2160	Marks the database as dirty, to be updated at a later time.
2161
2162	=item cf::db_sync
2163
2164	Immediately write the database to disk I<if it is dirty>.
2165		2202
2166	=cut	2203	=cut
2167		2204
2168	our $DB;	2205	our $DB;
2169		2206
2170	{	2207	sub db_init {
		2208	unless ($DB) {
		2209	$DB = BDB::db_create $DB_ENV;
		2210
		2211	cf::sync_job {
		2212	eval {
		2213	$DB->set_flags (BDB::CHKSUM);
		2214
		2215	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2216	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2217	cf::cleanup "db_open(db): $!" if $!;
		2218	};
		2219	cf::cleanup "db_open(db): $@" if $@;
		2220	};
		2221
2171	my $path = cf::localdir . "/database.pst";	2222	my $path = cf::localdir . "/database.pst";
		2223	if (stat $path) {
		2224	cf::sync_job {
		2225	my $pst = Storable::retrieve $path;
2172		2226
2173	sub db_load() {	2227	cf::db_put (board => data => $pst->{board});
2174	$DB = stat $path ? Storable::retrieve $path : { };	2228	cf::db_put (guildrules => data => $pst->{guildrules});
2175	}	2229	cf::db_put (rent => balance => $pst->{rent}{balance});
		2230	BDB::db_env_txn_checkpoint $DB_ENV;
2176		2231
2177	my $pid;	2232	unlink $path;
2178
2179	sub db_save() {
2180	waitpid $pid, 0 if $pid;
2181	if (0 == ($pid = fork)) {
2182	$DB->{_meta}{version} = 1;
2183	Storable::nstore $DB, "$path~";
2184	rename "$path~", $path;
2185	cf::_exit 0 if defined $pid;
2186	}	2233	};
2187	}
2188
2189	my $dirty;
2190
2191	sub db_sync() {
2192	db_save if $dirty;
2193	undef $dirty;
2194	}
2195
2196	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2197	db_sync;
2198	});
2199
2200	sub db_dirty() {
2201	$dirty = 1;
2202	$idle->start;
2203	}
2204
2205	sub db_get($;$) {
2206	@_ >= 2
2207	? $DB->{$_[0]}{$_[1]}
2208	: ($DB->{$_[0]} ||= { })
2209	}
2210
2211	sub db_put($$;$) {
2212	if (@_ >= 3) {
2213	$DB->{$_[0]}{$_[1]} = $_[2];
2214	} else {
2215	$DB->{$_[0]} = $_[1];
2216	}
2217	db_dirty;
2218	}
2219
2220	cf::global->attach (
2221	prio => 10000,
2222	on_cleanup => sub {
2223	db_sync;
2224	},	2234	}
2225	);	2235	}
		2236	}
		2237
		2238	sub db_get($$) {
		2239	my $key = "$_[0]/$_[1]";
		2240
		2241	cf::sync_job {
		2242	BDB::db_get $DB, undef, $key, my $data;
		2243
		2244	$! ? ()
		2245	: Compress::LZF::sthaw $data
		2246	}
		2247	}
		2248
		2249	sub db_put($$$) {
		2250	BDB::dbreq_pri 4;
		2251	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2226	}	2252	}
2227		2253
2228	#############################################################################	2254	#############################################################################
2229	# the server's main()	2255	# the server's init and main functions
		2256
		2257	sub init_resources {
		2258	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2259	or die "unable to load regions file\n";#d#
		2260	}
2230		2261
2231	sub cfg_load {	2262	sub cfg_load {
2232	open my $fh, "<:utf8", cf::confdir . "/config"	2263	open my $fh, "<:utf8", cf::confdir . "/config"
2233	or return;	2264	or return;
2234		2265
…		…
2247	};	2278	};
2248	warn $@ if $@;	2279	warn $@ if $@;
2249	}	2280	}
2250	}	2281	}
2251		2282
		2283	sub init {
		2284	init_resources;
		2285	}
		2286
2252	sub main {	2287	sub main {
2253	# we must not ever block the main coroutine	2288	# we must not ever block the main coroutine
2254	local $Coro::idle = sub {	2289	local $Coro::idle = sub {
2255	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2290	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2291	(async {
2256	async { Event::one_event };	2292	Event::one_event;
		2293	})->prio (Coro::PRIO_MAX);
2257	};	2294	};
2258		2295
2259	cfg_load;	2296	cfg_load;
2260	db_load;	2297	db_init;
2261	load_extensions;	2298	load_extensions;
		2299
		2300	$TICK_WATCHER->start;
2262	Event::loop;	2301	Event::loop;
2263	}	2302	}
2264		2303
2265	#############################################################################	2304	#############################################################################
2266	# initialisation and cleanup	2305	# initialisation and cleanup
2267		2306
2268	# install some emergency cleanup handlers	2307	# install some emergency cleanup handlers
2269	BEGIN {	2308	BEGIN {
2270	for my $signal (qw(INT HUP TERM)) {	2309	for my $signal (qw(INT HUP TERM)) {
2271	Event->signal (	2310	Event->signal (
		2311	reentrant => 0,
2272	data => WF_AUTOCANCEL,	2312	data => WF_AUTOCANCEL,
2273	signal => $signal,	2313	signal => $signal,
		2314	prio => 0,
2274	cb => sub {	2315	cb => sub {
2275	cf::cleanup "SIG$signal";	2316	cf::cleanup "SIG$signal";
2276	},	2317	},
2277	);	2318	);
2278	}	2319	}
2279	}	2320	}
…		…
2284	warn "enter emergency perl save\n";	2325	warn "enter emergency perl save\n";
2285		2326
2286	cf::sync_job {	2327	cf::sync_job {
2287	# use a peculiar iteration method to avoid tripping on perl	2328	# use a peculiar iteration method to avoid tripping on perl
2288	# refcount bugs in for. also avoids problems with players	2329	# refcount bugs in for. also avoids problems with players
2289	# and maps saved/Destroyed asynchronously.	2330	# and maps saved/destroyed asynchronously.
2290	warn "begin emergency player save\n";	2331	warn "begin emergency player save\n";
2291	for my $login (keys %cf::PLAYER) {	2332	for my $login (keys %cf::PLAYER) {
2292	my $pl = $cf::PLAYER{$login} or next;	2333	my $pl = $cf::PLAYER{$login} or next;
2293	$pl->valid or next;	2334	$pl->valid or next;
2294	$pl->save;	2335	$pl->save;
…		…
2300	my $map = $cf::MAP{$path} or next;	2341	my $map = $cf::MAP{$path} or next;
2301	$map->valid or next;	2342	$map->valid or next;
2302	$map->save;	2343	$map->save;
2303	}	2344	}
2304	warn "end emergency map save\n";	2345	warn "end emergency map save\n";
		2346
		2347	warn "begin emergency database checkpoint\n";
		2348	BDB::db_env_txn_checkpoint $DB_ENV;
		2349	warn "end emergency database checkpoint\n";
2305	};	2350	};
2306		2351
2307	warn "leave emergency perl save\n";	2352	warn "leave emergency perl save\n";
		2353	}
		2354
		2355	sub post_cleanup {
		2356	my ($make_core) = @_;
		2357
		2358	warn Carp::longmess "post_cleanup backtrace"
		2359	if $make_core;
2308	}	2360	}
2309		2361
2310	sub reload() {	2362	sub reload() {
2311	# can/must only be called in main	2363	# can/must only be called in main
2312	if ($Coro::current != $Coro::main) {	2364	if ($Coro::current != $Coro::main) {
2313	warn "can only reload from main coroutine\n";	2365	warn "can only reload from main coroutine";
2314	return;	2366	return;
2315	}	2367	}
2316		2368
2317	warn "reloading...";	2369	warn "reloading...";
2318		2370
2319	warn "freezing server";	2371	warn "entering sync_job";
2320	my $guard = freeze_mainloop;	2372
		2373	cf::sync_job {
		2374	cf::write_runtime; # external watchdog should not bark
2321	cf::emergency_save;	2375	cf::emergency_save;
		2376	cf::write_runtime; # external watchdog should not bark
2322		2377
2323	warn "sync database to disk";	2378	warn "syncing database to disk";
2324	cf::db_sync;	2379	BDB::db_env_txn_checkpoint $DB_ENV;
2325	IO::AIO::flush;
2326		2380
2327	eval {
2328	# if anything goes wrong in here, we should simply crash as we already saved	2381	# if anything goes wrong in here, we should simply crash as we already saved
2329		2382
2330	warn "cancel all watchers";	2383	warn "cancelling all WF_AUTOCANCEL watchers";
2331	for (Event::all_watchers) {	2384	for (Event::all_watchers) {
2332	$_->cancel if $_->data & WF_AUTOCANCEL;	2385	$_->cancel if $_->data & WF_AUTOCANCEL;
2333	}	2386	}
2334		2387
		2388	warn "flushing outstanding aio requests";
		2389	for (;;) {
		2390	BDB::flush;
		2391	IO::AIO::flush;
		2392	Coro::cede;
		2393	last unless IO::AIO::nreqs || BDB::nreqs;
		2394	warn "iterate...";
		2395	}
		2396
2335	warn "cancel all extension coros";	2397	warn "cancelling all extension coros";
2336	$_->cancel for values %EXT_CORO;	2398	$_->cancel for values %EXT_CORO;
2337	%EXT_CORO = ();	2399	%EXT_CORO = ();
2338		2400
2339	warn "remove commands";	2401	warn "removing commands";
2340	%COMMAND = ();	2402	%COMMAND = ();
2341		2403
2342	warn "remove ext commands";	2404	warn "removing ext commands";
2343	%EXTCMD = ();	2405	%EXTCMD = ();
2344		2406
2345	warn "unload/nuke all extensions";	2407	warn "unloading/nuking all extensions";
2346	for my $pkg (@EXTS) {	2408	for my $pkg (@EXTS) {
2347	warn "... unloading $pkg";	2409	warn "... unloading $pkg";
2348		2410
2349	if (my $cb = $pkg->can ("unload")) {	2411	if (my $cb = $pkg->can ("unload")) {
2350	eval {	2412	eval {
…		…
2355		2417
2356	warn "... nuking $pkg";	2418	warn "... nuking $pkg";
2357	Symbol::delete_package $pkg;	2419	Symbol::delete_package $pkg;
2358	}	2420	}
2359		2421
2360	warn "unload all perl modules loaded from $LIBDIR";	2422	warn "unloading all perl modules loaded from $LIBDIR";
2361	while (my ($k, $v) = each %INC) {	2423	while (my ($k, $v) = each %INC) {
2362	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2424	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2363		2425
2364	warn "removing <$k>";	2426	warn "... unloading $k";
2365	delete $INC{$k};	2427	delete $INC{$k};
2366		2428
2367	$k =~ s/\.pm$//;	2429	$k =~ s/\.pm$//;
2368	$k =~ s/\//::/g;	2430	$k =~ s/\//::/g;
2369		2431
…		…
2372	}	2434	}
2373		2435
2374	Symbol::delete_package $k;	2436	Symbol::delete_package $k;
2375	}	2437	}
2376		2438
2377	warn "get rid of safe::, as good as possible";	2439	warn "getting rid of safe::, as good as possible";
2378	Symbol::delete_package "safe::$_"	2440	Symbol::delete_package "safe::$_"
2379	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2441	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2380		2442
2381	warn "unload cf.pm \"a bit\"";	2443	warn "unloading cf.pm \"a bit\"";
2382	delete $INC{"cf.pm"};	2444	delete $INC{"cf.pm"};
2383		2445
2384	# don't, removes xs symbols, too,	2446	# don't, removes xs symbols, too,
2385	# and global variables created in xs	2447	# and global variables created in xs
2386	#Symbol::delete_package __PACKAGE__;	2448	#Symbol::delete_package __PACKAGE__;
2387		2449
		2450	warn "unload completed, starting to reload now";
		2451
2388	warn "reloading cf.pm";	2452	warn "reloading cf.pm";
2389	require cf;	2453	require cf;
2390	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2454	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2391		2455
2392	warn "load config and database again";	2456	warn "loading config and database again";
2393	cf::cfg_load;	2457	cf::cfg_load;
2394	cf::db_load;
2395		2458
2396	warn "load extensions";	2459	warn "loading extensions";
2397	cf::load_extensions;	2460	cf::load_extensions;
2398		2461
2399	warn "reattach attachments to objects/players";	2462	warn "reattaching attachments to objects/players";
2400	_global_reattach;	2463	_global_reattach;
2401	warn "reattach attachments to maps";	2464	warn "reattaching attachments to maps";
2402	reattach $_ for values %MAP;	2465	reattach $_ for values %MAP;
2403	};
2404		2466
2405	if ($@) {	2467	warn "loading reloadable resources";
		2468	init_resources;
		2469
		2470	warn "leaving sync_job";
		2471
		2472	1
		2473	} or do {
2406	warn $@;	2474	warn $@;
2407	warn "error while reloading, exiting.";	2475	warn "error while reloading, exiting.";
2408	exit 1;	2476	exit 1;
2409	}	2477	};
2410		2478
2411	warn "reloaded";	2479	warn "reloaded";
2412	};	2480	};
2413		2481
2414	#############################################################################	2482	our $RELOAD_WATCHER; # used only during reload
2415
2416	unless ($LINK_MAP) {
2417	$LINK_MAP = cf::map::new;
2418
2419	$LINK_MAP->width (41);
2420	$LINK_MAP->height (41);
2421	$LINK_MAP->alloc;
2422	$LINK_MAP->path ("{link}");
2423	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2424	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2425
2426	# dirty hack because... archetypes are not yet loaded
2427	Event->timer (
2428	after => 10,
2429	cb => sub {
2430	$_[0]->w->cancel;
2431
2432	# provide some exits "home"
2433	my $exit = cf::object::new "exit";
2434
2435	$exit->slaying ($EMERGENCY_POSITION->[0]);
2436	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2437	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2438
2439	$LINK_MAP->insert ($exit->clone, 19, 19);
2440	$LINK_MAP->insert ($exit->clone, 19, 20);
2441	$LINK_MAP->insert ($exit->clone, 19, 21);
2442	$LINK_MAP->insert ($exit->clone, 20, 19);
2443	$LINK_MAP->insert ($exit->clone, 20, 21);
2444	$LINK_MAP->insert ($exit->clone, 21, 19);
2445	$LINK_MAP->insert ($exit->clone, 21, 20);
2446	$LINK_MAP->insert ($exit->clone, 21, 21);
2447
2448	$exit->destroy;
2449	});
2450
2451	$LINK_MAP->{deny_save} = 1;
2452	$LINK_MAP->{deny_reset} = 1;
2453
2454	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2455	}
2456		2483
2457	register_command "reload" => sub {	2484	register_command "reload" => sub {
2458	my ($who, $arg) = @_;	2485	my ($who, $arg) = @_;
2459		2486
2460	if ($who->flag (FLAG_WIZ)) {	2487	if ($who->flag (FLAG_WIZ)) {
2461	$who->message ("start of reload.");	2488	$who->message ("reloading server.");
		2489
		2490	# doing reload synchronously and two reloads happen back-to-back,
		2491	# coro crashes during coro_state_free->destroy here.
		2492
		2493	$RELOAD_WATCHER ||= Event->timer (
		2494	reentrant => 0,
		2495	after => 0,
		2496	data => WF_AUTOCANCEL,
		2497	cb => sub {
2462	reload;	2498	reload;
2463	$who->message ("end of reload.");	2499	undef $RELOAD_WATCHER;
		2500	},
		2501	);
2464	}	2502	}
2465	};	2503	};
2466		2504
2467	unshift @INC, $LIBDIR;	2505	unshift @INC, $LIBDIR;
		2506
		2507	my $bug_warning = 0;
2468		2508
2469	$TICK_WATCHER = Event->timer (	2509	$TICK_WATCHER = Event->timer (
2470	reentrant => 0,	2510	reentrant => 0,
		2511	parked => 1,
2471	prio => 0,	2512	prio => 0,
2472	at => $NEXT_TICK || $TICK,	2513	at => $NEXT_TICK || $TICK,
2473	data => WF_AUTOCANCEL,	2514	data => WF_AUTOCANCEL,
2474	cb => sub {	2515	cb => sub {
		2516	if ($Coro::current != $Coro::main) {
		2517	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2518	unless ++$bug_warning > 10;
		2519	return;
		2520	}
		2521
2475	$NOW = Event::time;	2522	$NOW = Event::time;
2476		2523
2477	cf::server_tick; # one server iteration	2524	cf::server_tick; # one server iteration
2478	$RUNTIME += $TICK;	2525	$RUNTIME += $TICK;
2479	$NEXT_TICK += $TICK;	2526	$NEXT_TICK += $TICK;
2480		2527
		2528	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2529	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2530	Coro::async_pool {
		2531	write_runtime
		2532	or warn "ERROR: unable to write runtime file: $!";
		2533	};
		2534	}
		2535
2481	$WAIT_FOR_TICK->broadcast;	2536	$WAIT_FOR_TICK->broadcast;
2482	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2537	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2538
		2539	# my $AFTER = Event::time;
		2540	# warn $AFTER - $NOW;#d#
2483		2541
2484	# if we are delayed by four ticks or more, skip them all	2542	# if we are delayed by four ticks or more, skip them all
2485	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2543	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2486		2544
2487	$TICK_WATCHER->at ($NEXT_TICK);	2545	$TICK_WATCHER->at ($NEXT_TICK);
2488	$TICK_WATCHER->start;	2546	$TICK_WATCHER->start;
2489	},	2547	},
2490	);	2548	);
2491		2549
		2550	{
2492	IO::AIO::max_poll_time $TICK * 0.2;	2551	BDB::max_poll_time $TICK * 0.1;
2493		2552	$BDB_POLL_WATCHER = Event->io (
2494	Event->io (	2553	reentrant => 0,
2495	fd => IO::AIO::poll_fileno,	2554	fd => BDB::poll_fileno,
2496	poll => 'r',	2555	poll => 'r',
2497	prio => 5,	2556	prio => 0,
2498	data => WF_AUTOCANCEL,
2499	cb => \&IO::AIO::poll_cb,
2500	);
2501
2502	Event->timer (
2503	data => WF_AUTOCANCEL,	2557	data => WF_AUTOCANCEL,
2504	after => 0,	2558	cb => \&BDB::poll_cb,
2505	interval => 10,	2559	);
2506	cb => sub {	2560	BDB::min_parallel 8;
2507	(Coro::unblock_sub {	2561
2508	write_runtime	2562	BDB::set_sync_prepare {
2509	or warn "ERROR: unable to write runtime file: $!";	2563	my $status;
		2564	my $current = $Coro::current;
		2565	(
		2566	sub {
		2567	$status = $!;
		2568	$current->ready; undef $current;
		2569	},
		2570	sub {
		2571	Coro::schedule while defined $current;
		2572	$! = $status;
		2573	},
		2574	)
		2575	};
		2576
		2577	unless ($DB_ENV) {
		2578	$DB_ENV = BDB::db_env_create;
		2579
		2580	cf::sync_job {
		2581	eval {
		2582	BDB::db_env_open
		2583	$DB_ENV,
		2584	$BDB_ENV_DIR,
		2585	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2586	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2587	0666;
		2588
		2589	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2590
		2591	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2592	$DB_ENV->set_lk_detect;
		2593	};
		2594
		2595	cf::cleanup "db_env_open(db): $@" if $@;
2510	})->();	2596	};
2511	},	2597	}
2512	);	2598	}
		2599
		2600	{
		2601	IO::AIO::min_parallel 8;
		2602
		2603	undef $Coro::AIO::WATCHER;
		2604	IO::AIO::max_poll_time $TICK * 0.1;
		2605	$AIO_POLL_WATCHER = Event->io (
		2606	reentrant => 0,
		2607	data => WF_AUTOCANCEL,
		2608	fd => IO::AIO::poll_fileno,
		2609	poll => 'r',
		2610	prio => 6,
		2611	cb => \&IO::AIO::poll_cb,
		2612	);
		2613	}
2513		2614
2514	END { cf::emergency_save }	2615	END { cf::emergency_save }
2515		2616
2516	1	2617	1
2517		2618

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