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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.189 by root, Sun Jan 21 21:28:27 2007 UTC vs.
Revision 1.263 by root, Sat May 5 05:40:27 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 3.4 ();	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
42	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
43		56
		57	our $RELOAD; # number of reloads so far
44	our @EVENT;	58	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		59
47	our $TICK = MAX_TIME * 1e-6;	60	our $CONFDIR = confdir;
		61	our $DATADIR = datadir;
		62	our $LIBDIR = "$DATADIR/ext";
		63	our $PODDIR = "$DATADIR/pod";
		64	our $MAPDIR = "$DATADIR/" . mapdir;
		65	our $LOCALDIR = localdir;
		66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		69	our $RANDOMDIR = "$LOCALDIR/random";
		70	our $BDBDIR = "$LOCALDIR/db";
		71
		72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	73	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	74	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	76	our $NEXT_TICK;
52	our $NOW;	77	our $NOW;
		78	our $USE_FSYNC = 1; # use fsync to write maps - default off
		79
		80	our $BDB_POLL_WATCHER;
		81	our $DB_ENV;
53		82
54	our %CFG;	83	our %CFG;
55		84
56	our $UPTIME; $UPTIME ||= time;	85	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	86	our $RUNTIME;
58		87
59	our %PLAYER; # all users	88	our %PLAYER; # all users
60	our %MAP; # all maps	89	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	90	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		91
67	# used to convert map paths into valid unix filenames by replacing / by ∕	92	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		94
70	binmode STDOUT;	95	binmode STDOUT;
71	binmode STDERR;	96	binmode STDERR;
72		97
73	# read virtual server time, if available	98	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	100	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	101	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	102	$RUNTIME = <$fh> + 0.;
78	}	103	}
79		104
80	mkdir cf::localdir;	105	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		107
86	our $EMERGENCY_POSITION;	108	our $EMERGENCY_POSITION;
		109
		110	sub cf::map::normalise;
87		111
88	#############################################################################	112	#############################################################################
89		113
90	=head2 GLOBAL VARIABLES	114	=head2 GLOBAL VARIABLES
91		115
…		…
98	=item $cf::RUNTIME	122	=item $cf::RUNTIME
99		123
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	124	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	125	every server tick.
102		126
103	=item $cf::LIBDIR	127	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		128	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		129	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		130
105	The perl library directory, where extensions and cf-specific modules can	131	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	132	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		133	unique-items directory, player file directory, random maps directory and
		134	database environment.
107		135
108	=item $cf::NOW	136	=item $cf::NOW
109		137
110	The time of the last (current) server tick.	138	The time of the last (current) server tick.
111		139
…		…
116	=item %cf::CFG	144	=item %cf::CFG
117		145
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	146	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	147	from wherever your confdir points to.
120		148
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	149	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		150
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	152	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.
127		154
128	=back	155	=back
129		156
130	=cut	157	=cut
131		158
132	BEGIN {	159	BEGIN {
133	*CORE::GLOBAL::warn = sub {	160	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	161	my $msg = join "", @_;
135	utf8::encode $msg;
136		162
137	$msg .= "\n"	163	$msg .= "\n"
138	unless $msg =~ /\n$/;	164	unless $msg =~ /\n$/;
139		165
		166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		167
		168	utf8::encode $msg;
140	LOG llevError, $msg;	169	LOG llevError, $msg;
141	};	170	};
142	}	171	}
143		172
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	220	$d
192	} || "[unable to dump $_[0]: '$@']";	221	} || "[unable to dump $_[0]: '$@']";
193	}	222	}
194		223
195	use JSON::Syck (); # TODO# replace by JSON::PC once working	224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
196		225
197	=item $ref = cf::from_json $json	226	=item $ref = cf::from_json $json
198		227
199	Converts a JSON string into the corresponding perl data structure.	228	Converts a JSON string into the corresponding perl data structure.
200		229
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	230	=item $json = cf::to_json $ref
209		231
210	Converts a perl data structure into its JSON representation.	232	Converts a perl data structure into its JSON representation.
211
212	=cut
213
214	sub to_json($) {
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
216	JSON::Syck::Dump $_[0]
217	}
218		233
219	=item cf::lock_wait $string	234	=item cf::lock_wait $string
220		235
221	Wait until the given lock is available. See cf::lock_acquire.	236	Wait until the given lock is available. See cf::lock_acquire.
222		237
…		…
228	returned.	243	returned.
229		244
230	Lock names should begin with a unique identifier (for example, cf::map::find	245	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	246	uses map_find and cf::map::load uses map_load).
232		247
		248	=item $locked = cf::lock_active $string
		249
		250	Return true if the lock is currently active, i.e. somebody has locked it.
		251
233	=cut	252	=cut
234		253
235	our %LOCK;	254	our %LOCK;
236		255
237	sub lock_wait($) {	256	sub lock_wait($) {
…		…
256	# wake up all waiters, to be on the safe side	275	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	276	$_->ready for @{ delete $LOCK{$key} };
258	}	277	}
259	}	278	}
260		279
		280	sub lock_active($) {
		281	my ($key) = @_;
		282
		283	! ! $LOCK{$key}
		284	}
		285
261	sub freeze_mainloop {	286	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	287	return unless $TICK_WATCHER->is_active;
263		288
264	my $guard = Coro::guard {	289	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	290	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	291	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	292	$TICK_WATCHER->stop;
270	$guard	293	$guard
271	}	294	}
272		295
273	=item cf::async { BLOCK }	296	=item cf::async { BLOCK }
…		…
344		367
345	$coro	368	$coro
346	}	369	}
347		370
348	sub write_runtime {	371	sub write_runtime {
349	my $runtime = cf::localdir . "/runtime";	372	my $guard = cf::lock_acquire "write_runtime";
350		373
		374	my $runtime = "$LOCALDIR/runtime";
		375
		376	warn "starting to write runtime...\n";#d#
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	377	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
352	or return;	378	or return;
353		379
354	my $value = $cf::RUNTIME + 90 + 10;	380	my $value = $cf::RUNTIME + 90 + 10;
355	# 10 is the runtime save interval, for a monotonic clock	381	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.	382	# 60 allows for the watchdog to kill the server.
357		383
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	384	(aio_write $fh, 0, (length $value), $value, 0) <= 0
359	and return;	385	and return;
360		386
		387	# always fsync - this file is important
361	aio_fsync $fh	388	aio_fsync $fh
362	and return;	389	and return;
363		390
364	close $fh	391	close $fh
365	or return;	392	or return;
366		393
367	aio_rename "$runtime~", $runtime	394	aio_rename "$runtime~", $runtime
368	and return;	395	and return;
369		396
		397	warn "... done writing runtime.\n";#d#
		398
370	1	399	1
		400	}
		401
		402	=item cf::datalog type => key => value, ...
		403
		404	Log a datalog packet of the given type with the given key-value pairs.
		405
		406	=cut
		407
		408	sub datalog($@) {
		409	my ($type, %kv) = @_;
		410	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371	}	411	}
372		412
373	=back	413	=back
374		414
375	=cut	415	=cut
…		…
750	$filename, length $$rdata, scalar @$objs;	790	$filename, length $$rdata, scalar @$objs;
751		791
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	792	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	793	chmod SAVE_MODE, $fh;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	794	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	795	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	796	close $fh;
757		797
758	if (@$objs) {	798	if (@$objs) {
759	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	799	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760	chmod SAVE_MODE, $fh;	800	chmod SAVE_MODE, $fh;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	801	my $data = Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	802	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	803	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	804	close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	805	aio_rename "$filename.pst~", "$filename.pst";
766	}	806	}
767	} else {	807	} else {
768	aio_unlink "$filename.pst";	808	aio_unlink "$filename.pst";
…		…
937	Returns the given player object, loading it if necessary (might block).	977	Returns the given player object, loading it if necessary (might block).
938		978
939	=cut	979	=cut
940		980
941	sub playerdir($) {	981	sub playerdir($) {
942	cf::localdir	982	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	983	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	984	}
948		985
949	sub path($) {	986	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	987	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		988
952	(playerdir $login) . "/$login.pl"	989	(playerdir $login) . "/playerdata"
953	}	990	}
954		991
955	sub find_active($) {	992	sub find_active($) {
956	$cf::PLAYER{$_[0]}	993	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	994	and $cf::PLAYER{$_[0]}->active
…		…
970	my $login = $_[0];	1007	my $login = $_[0];
971		1008
972	my $guard = cf::lock_acquire "user_find:$login";	1009	my $guard = cf::lock_acquire "user_find:$login";
973		1010
974	$cf::PLAYER{$_[0]} || do {	1011	$cf::PLAYER{$_[0]} || do {
		1012	# rename old playerfiles to new ones
		1013	#TODO: remove when no longer required
		1014	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1015	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1016	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1017	aio_unlink +(playerdir $login) . "/$login.pl";
		1018
975	my $pl = load_pl path $login	1019	my $pl = load_pl path $login
976	or return;	1020	or return;
977	$cf::PLAYER{$login} = $pl	1021	$cf::PLAYER{$login} = $pl
978	}	1022	}
979	}	1023	}
…		…
1016		1060
1017	=cut	1061	=cut
1018		1062
1019	sub quit_character {	1063	sub quit_character {
1020	my ($pl) = @_;	1064	my ($pl) = @_;
		1065
		1066	my $name = $pl->ob->name;
1021		1067
1022	$pl->{deny_save} = 1;	1068	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1069	$pl->password ("*"); # this should lock out the player until we nuked the dir
1024		1070
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1071	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1030	my $path = playerdir $pl;	1076	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1077	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1078	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1079	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1080	$pl->destroy;
		1081
		1082	my $prefix = qr<^~\Q$name\E/>;
		1083
		1084	# nuke player maps
		1085	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1086
1035	IO::AIO::aio_rmtree $temp;	1087	IO::AIO::aio_rmtree $temp;
		1088	}
		1089
		1090	=item $pl->kick
		1091
		1092	Kicks a player out of the game. This destroys the connection.
		1093
		1094	=cut
		1095
		1096	sub kick {
		1097	my ($pl, $kicker) = @_;
		1098
		1099	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1100	$pl->killer ("kicked");
		1101	$pl->ns->destroy;
1036	}	1102	}
1037		1103
1038	=item cf::player::list_logins	1104	=item cf::player::list_logins
1039		1105
1040	Returns am arrayref of all valid playernames in the system, can take a	1106	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1107	while and may block, so not sync_job-capable, ever.
1042		1108
1043	=cut	1109	=cut
1044		1110
1045	sub list_logins {	1111	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1112	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1113	or return [];
1048		1114
1049	my @logins;	1115	my @logins;
1050		1116
1051	for my $login (@$dirs) {	1117	for my $login (@$dirs) {
…		…
1068	=cut	1134	=cut
1069		1135
1070	sub maps($) {	1136	sub maps($) {
1071	my ($pl) = @_;	1137	my ($pl) = @_;
1072		1138
		1139	$pl = ref $pl ? $pl->ob->name : $pl;
		1140
1073	my $files = aio_readdir playerdir $pl	1141	my $files = aio_readdir playerdir $pl
1074	or return;	1142	or return;
1075		1143
1076	my @paths;	1144	my @paths;
1077		1145
1078	for (@$files) {	1146	for (@$files) {
1079	utf8::decode $_;	1147	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1148	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1149	next unless /^$PATH_SEP/o;
1082		1150
1083	s/\.map$//;	1151	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1152	}
1086		1153
1087	\@paths	1154	\@paths
1088	}	1155	}
1089		1156
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1157	=item $player->ext_reply ($msgid, %msg)
1091		1158
1092	Sends an ext reply to the player.	1159	Sends an ext reply to the player.
1093		1160
1094	=cut	1161	=cut
1095		1162
1096	sub ext_reply($$$%) {	1163	sub ext_reply($$%) {
1097	my ($self, $id, %msg) = @_;	1164	my ($self, $id, %msg) = @_;
1098		1165
1099	$msg{msgid} = $id;	1166	$msg{msgid} = $id;
1100		1167
1101	$self->send ("ext " . cf::to_json \%msg);	1168	$self->send ("ext " . cf::to_json \%msg);
1102	}	1169	}
1103		1170
1104	package cf;	1171	=item $player->ext_event ($type, %msg)
		1172
		1173	Sends an ext event to the client.
		1174
		1175	=cut
		1176
		1177	sub ext_event($$%) {
		1178	my ($self, $type, %msg) = @_;
		1179
		1180	$self->ns->ext_event ($type, %msg);
		1181	}
		1182
		1183	=head3 cf::region
		1184
		1185	=over 4
		1186
		1187	=cut
		1188
		1189	package cf::region;
		1190
		1191	=item cf::region::find_by_path $path
		1192
		1193	Tries to decuce the probable region for a map knowing only its path.
		1194
		1195	=cut
		1196
		1197	sub find_by_path($) {
		1198	my ($path) = @_;
		1199
		1200	my ($match, $specificity);
		1201
		1202	for my $region (list) {
		1203	if ($region->match && $path =~ $region->match) {
		1204	($match, $specificity) = ($region, $region->specificity)
		1205	if $region->specificity > $specificity;
		1206	}
		1207	}
		1208
		1209	$match
		1210	}
1105		1211
1106	=back	1212	=back
1107
1108		1213
1109	=head3 cf::map	1214	=head3 cf::map
1110		1215
1111	=over 4	1216	=over 4
1112		1217
…		…
1176	}	1281	}
1177		1282
1178	sub normalise {	1283	sub normalise {
1179	my ($path, $base) = @_;	1284	my ($path, $base) = @_;
1180		1285
		1286	$path = "$path"; # make sure its a string
		1287
		1288	$path =~ s/\.map$//;
		1289
1181	# map plan:	1290	# map plan:
1182	#	1291	#
1183	# /! non-realised random map exit (special hack!)	1292	# /! non-realised random map exit (special hack!)
1184	# {... are special paths that are not being touched	1293	# {... are special paths that are not being touched
1185	# ?xxx/... are special absolute paths	1294	# ?xxx/... are special absolute paths
…		…
1221	$self->init; # pass $1 etc.	1330	$self->init; # pass $1 etc.
1222	return $self;	1331	return $self;
1223	}	1332	}
1224	}	1333	}
1225		1334
1226	Carp::carp "unable to resolve path '$path'.";	1335	Carp::carp "unable to resolve path '$path' (base '$base').";
1227	()	1336	()
1228	}	1337	}
1229		1338
1230	sub init {	1339	sub init {
1231	my ($self) = @_;	1340	my ($self) = @_;
…		…
1246		1355
1247	# the original (read-only) location	1356	# the original (read-only) location
1248	sub load_path {	1357	sub load_path {
1249	my ($self) = @_;	1358	my ($self) = @_;
1250		1359
1251	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1360	"$MAPDIR/$self->{path}.map"
1252	}	1361	}
1253		1362
1254	# the temporary/swap location	1363	# the temporary/swap location
1255	sub save_path {	1364	sub save_path {
1256	my ($self) = @_;	1365	my ($self) = @_;
1257		1366
1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1367	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1259	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1368	"$TMPDIR/$path.map"
1260	}	1369	}
1261		1370
1262	# the unique path, undef == no special unique path	1371	# the unique path, undef == no special unique path
1263	sub uniq_path {	1372	sub uniq_path {
1264	my ($self) = @_;	1373	my ($self) = @_;
1265		1374
1266	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1375	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1267	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1376	"$UNIQUEDIR/$path"
1268	}	1377	}
1269		1378
1270	# and all this just because we cannot iterate over	1379	# and all this just because we cannot iterate over
1271	# all maps in C++...	1380	# all maps in C++...
1272	sub change_all_map_light {	1381	sub change_all_map_light {
…		…
1286		1395
1287	sub load_header_from($) {	1396	sub load_header_from($) {
1288	my ($self, $path) = @_;	1397	my ($self, $path) = @_;
1289		1398
1290	utf8::encode $path;	1399	utf8::encode $path;
1291	aio_open $path, O_RDONLY, 0	1400	#aio_open $path, O_RDONLY, 0
1292	or return;	1401	# or return;
1293		1402
1294	$self->_load_header ($path)	1403	$self->_load_header ($path)
1295	or return;	1404	or return;
1296		1405
1297	$self->{load_path} = $path;	1406	$self->{load_path} = $path;
…		…
1339	$self->load_header_orig	1448	$self->load_header_orig
1340	or return;	1449	or return;
1341	$self->prepare_orig;	1450	$self->prepare_orig;
1342	}	1451	}
1343		1452
		1453	$self->default_region (cf::region::find_by_path $self->{path})
		1454	unless $self->default_region;
		1455
1344	1	1456	1
1345	}	1457	}
1346		1458
1347	sub find;	1459	sub find;
1348	sub find {	1460	sub find {
…		…
1360	$map->{last_save} = $cf::RUNTIME;	1472	$map->{last_save} = $cf::RUNTIME;
1361		1473
1362	$map->load_header	1474	$map->load_header
1363	or return;	1475	or return;
1364		1476
1365	if ($map->should_reset) {	1477	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
1366	# doing this can freeze the server in a sync job, obviously	1478	# doing this can freeze the server in a sync job, obviously
1367	#$cf::WAIT_FOR_TICK->wait;	1479	#$cf::WAIT_FOR_TICK->wait;
1368	$map->reset;	1480	$map->reset;
1369	undef $guard;	1481	undef $guard;
1370	$map = find $path	1482	return find $path;
1371	or return;
1372	}	1483	}
1373		1484
1374	$cf::MAP{$path} = $map	1485	$cf::MAP{$path} = $map
1375	}	1486	}
1376	}	1487	}
…		…
1379	sub post_load { }	1490	sub post_load { }
1380		1491
1381	sub load {	1492	sub load {
1382	my ($self) = @_;	1493	my ($self) = @_;
1383		1494
		1495	local $self->{deny_reset} = 1; # loading can take a long time
		1496
1384	my $path = $self->{path};	1497	my $path = $self->{path};
		1498
		1499	{
1385	my $guard = cf::lock_acquire "map_load:$path";	1500	my $guard = cf::lock_acquire "map_load:$path";
1386		1501
1387	return if $self->in_memory != cf::MAP_SWAPPED;	1502	return if $self->in_memory != cf::MAP_SWAPPED;
1388		1503
1389	$self->in_memory (cf::MAP_LOADING);	1504	$self->in_memory (cf::MAP_LOADING);
1390		1505
1391	$self->alloc;	1506	$self->alloc;
1392		1507
1393	$self->pre_load;	1508	$self->pre_load;
1394
1395	$self->_load_objects ($self->{load_path}, 1)
1396	or return;
1397
1398	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1399	if delete $self->{load_original};
1400
1401	if (my $uniq = $self->uniq_path) {
1402	utf8::encode $uniq;
1403	if (aio_open $uniq, O_RDONLY, 0) {
1404	$self->clear_unique_items;
1405	$self->_load_objects ($uniq, 0);
1406	}
1407	}
1408
1409	Coro::cede;
1410
1411	# now do the right thing for maps
1412	$self->link_multipart_objects;
1413
1414	unless ($self->{deny_activate}) {
1415	$self->decay_objects;
1416	$self->fix_auto_apply;
1417	$self->update_buttons;
1418	Coro::cede;	1509	Coro::cede;
1419	$self->set_darkness_map;	1510
		1511	$self->_load_objects ($self->{load_path}, 1)
		1512	or return;
		1513
		1514	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1515	if delete $self->{load_original};
		1516
		1517	if (my $uniq = $self->uniq_path) {
		1518	utf8::encode $uniq;
		1519	if (aio_open $uniq, O_RDONLY, 0) {
		1520	$self->clear_unique_items;
		1521	$self->_load_objects ($uniq, 0);
		1522	}
		1523	}
		1524
		1525	Coro::cede;
		1526	# now do the right thing for maps
		1527	$self->link_multipart_objects;
1420	$self->difficulty ($self->estimate_difficulty)	1528	$self->difficulty ($self->estimate_difficulty)
1421	unless $self->difficulty;	1529	unless $self->difficulty;
1422	Coro::cede;	1530	Coro::cede;
		1531
		1532	unless ($self->{deny_activate}) {
		1533	$self->decay_objects;
		1534	$self->fix_auto_apply;
		1535	$self->update_buttons;
		1536	Coro::cede;
		1537	$self->set_darkness_map;
		1538	Coro::cede;
1423	$self->activate;	1539	$self->activate;
		1540	}
		1541
		1542	$self->in_memory (cf::MAP_IN_MEMORY);
1424	}	1543	}
1425		1544
1426	$self->post_load;	1545	$self->post_load;
1427
1428	$self->in_memory (cf::MAP_IN_MEMORY);
1429	}	1546	}
1430		1547
1431	sub customise_for {	1548	sub customise_for {
1432	my ($self, $ob) = @_;	1549	my ($self, $ob) = @_;
1433		1550
…		…
1576	return if $self->players;	1693	return if $self->players;
1577	return if $self->isa ("ext::map_per_player");#d#	1694	return if $self->isa ("ext::map_per_player");#d#
1578		1695
1579	warn "resetting map ", $self->path;#d#	1696	warn "resetting map ", $self->path;#d#
1580		1697
		1698	$self->in_memory (cf::MAP_SWAPPED);
		1699
		1700	# need to save uniques path
		1701	unless ($self->{deny_save}) {
		1702	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1703
		1704	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1705	if $uniq;
		1706	}
		1707
1581	delete $cf::MAP{$self->path};	1708	delete $cf::MAP{$self->path};
1582		1709
1583	$self->in_memory (cf::MAP_SWAPPED);
1584	$self->clear;	1710	$self->clear;
1585		1711
1586	$_->clear_links_to ($self) for values %cf::MAP;	1712	$_->clear_links_to ($self) for values %cf::MAP;
1587		1713
1588	$self->unlink_save;	1714	$self->unlink_save;
…		…
1615	instantiated unique items. May block.	1741	instantiated unique items. May block.
1616		1742
1617	=cut	1743	=cut
1618		1744
1619	sub unique_maps() {	1745	sub unique_maps() {
1620	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1746	my $files = aio_readdir $UNIQUEDIR
1621	or return;	1747	or return;
1622		1748
1623	my @paths;	1749	my @paths;
1624		1750
1625	for (@$files) {	1751	for (@$files) {
1626	utf8::decode $_;	1752	utf8::decode $_;
1627	next if /\.pst$/;	1753	next if /\.pst$/;
1628	next unless /^$PATH_SEP/o;	1754	next unless /^$PATH_SEP/o;
1629		1755
1630	s/\.map$//;	1756	push @paths, cf::map::normalise $_;
1631	push @paths, $_;
1632	}	1757	}
1633		1758
1634	\@paths	1759	\@paths
1635	}	1760	}
1636		1761
…		…
1730	=cut	1855	=cut
1731		1856
1732	sub link_map {	1857	sub link_map {
1733	unless ($LINK_MAP) {	1858	unless ($LINK_MAP) {
1734	$LINK_MAP = cf::map::find "{link}"	1859	$LINK_MAP = cf::map::find "{link}"
1735	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	1860	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1736	$LINK_MAP->load;	1861	$LINK_MAP->load;
1737	}	1862	}
1738		1863
1739	$LINK_MAP	1864	$LINK_MAP
1740	}	1865	}
…		…
1747	return if UNIVERSAL::isa $self->map, "ext::map_link";	1872	return if UNIVERSAL::isa $self->map, "ext::map_link";
1748		1873
1749	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1874	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1750	if $self->map;	1875	if $self->map;
1751		1876
1752	$self->enter_map ($LINK_MAP || link_map, 20, 20);	1877	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1753	}	1878	}
1754		1879
1755	sub cf::object::player::leave_link {	1880	sub cf::object::player::leave_link {
1756	my ($self, $map, $x, $y) = @_;	1881	my ($self, $map, $x, $y) = @_;
1757		1882
…		…
1779	$map->load;	1904	$map->load;
1780	$map->load_diag;	1905	$map->load_diag;
1781		1906
1782	return unless $self->contr->active;	1907	return unless $self->contr->active;
1783	$self->activate_recursive;	1908	$self->activate_recursive;
		1909
		1910	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1784	$self->enter_map ($map, $x, $y);	1911	$self->enter_map ($map, $x, $y);
1785	}	1912	}
1786		1913
1787	cf::player->attach (	1914	cf::player->attach (
1788	on_logout => sub {	1915	on_logout => sub {
…		…
1801	# try to abort aborted map switching on player login :)	1928	# try to abort aborted map switching on player login :)
1802	# should happen only on crashes	1929	# should happen only on crashes
1803	if ($pl->ob->{_link_pos}) {	1930	if ($pl->ob->{_link_pos}) {
1804	$pl->ob->enter_link;	1931	$pl->ob->enter_link;
1805	(async {	1932	(async {
1806	# we need this sleep as the login has a concurrent enter_exit running
1807	# and this sleep increases chances of the player not ending up in scorn
1808	$pl->ob->reply (undef,	1933	$pl->ob->reply (undef,
1809	"There was an internal problem at your last logout, "	1934	"There was an internal problem at your last logout, "
1810	. "the server will try to bring you to your intended destination in a second.",	1935	. "the server will try to bring you to your intended destination in a second.",
1811	cf::NDI_RED);	1936	cf::NDI_RED);
		1937	# we need this sleep as the login has a concurrent enter_exit running
		1938	# and this sleep increases chances of the player not ending up in scorn
1812	Coro::Timer::sleep 1;	1939	Coro::Timer::sleep 1;
1813	$pl->ob->leave_link;	1940	$pl->ob->leave_link;
1814	})->prio (2);	1941	})->prio (2);
1815	}	1942	}
1816	},	1943	},
…		…
1824	my ($self, $path, $x, $y) = @_;	1951	my ($self, $path, $x, $y) = @_;
1825		1952
1826	$self->enter_link;	1953	$self->enter_link;
1827		1954
1828	(async {	1955	(async {
		1956	my $map = eval {
1829	my $map = cf::map::find $path;	1957	my $map = cf::map::find $path;
1830	$map = $map->customise_for ($self) if $map;	1958	$map = $map->customise_for ($self) if $map;
1831		1959	$map
1832	# warn "entering ", $map->path, " at ($x, $y)\n"	1960	} or
1833	# if $map;
1834
1835	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1961	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1836		1962
1837	$self->leave_link ($map, $x, $y);	1963	$self->leave_link ($map, $x, $y);
1838	})->prio (1);	1964	})->prio (1);
1839	}	1965	}
1840		1966
…		…
1871	# that depends on the exit object	1997	# that depends on the exit object
1872		1998
1873	my $rmp = parse_random_map_params $exit->msg;	1999	my $rmp = parse_random_map_params $exit->msg;
1874		2000
1875	if ($exit->map) {	2001	if ($exit->map) {
1876	$rmp->{region} = $exit->map->region_name;	2002	$rmp->{region} = $exit->region->name;
1877	$rmp->{origin_map} = $exit->map->path;	2003	$rmp->{origin_map} = $exit->map->path;
1878	$rmp->{origin_x} = $exit->x;	2004	$rmp->{origin_x} = $exit->x;
1879	$rmp->{origin_y} = $exit->y;	2005	$rmp->{origin_y} = $exit->y;
1880	}	2006	}
1881		2007
1882	$rmp->{random_seed} ||= $exit->random_seed;	2008	$rmp->{random_seed} ||= $exit->random_seed;
1883		2009
1884	my $data = cf::to_json $rmp;	2010	my $data = cf::to_json $rmp;
1885	my $md5 = Digest::MD5::md5_hex $data;	2011	my $md5 = Digest::MD5::md5_hex $data;
1886	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2012	my $meta = "$RANDOMDIR/$md5.meta";
1887		2013
1888	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2014	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1889	aio_write $fh, 0, (length $data), $data, 0;	2015	aio_write $fh, 0, (length $data), $data, 0;
1890	undef $fh;	2016	undef $fh;
1891	aio_rename "$meta~", $meta;	2017	aio_rename "$meta~", $meta;
…		…
1898	sub cf::object::player::enter_exit {	2024	sub cf::object::player::enter_exit {
1899	my ($self, $exit) = @_;	2025	my ($self, $exit) = @_;
1900		2026
1901	return unless $self->type == cf::PLAYER;	2027	return unless $self->type == cf::PLAYER;
1902		2028
		2029	if ($exit->slaying eq "/!") {
		2030	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2031	# the problem is that $exit might not survive long enough
		2032	# so it needs to be done right now, right here
		2033	cf::sync_job { prepare_random_map $exit };
		2034	}
		2035
		2036	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2037	my $hp = $exit->stats->hp;
		2038	my $sp = $exit->stats->sp;
		2039
1903	$self->enter_link;	2040	$self->enter_link;
1904		2041
1905	(async {	2042	(async {
1906	$self->deactivate_recursive; # just to be sure	2043	$self->deactivate_recursive; # just to be sure
1907	unless (eval {	2044	unless (eval {
1908	prepare_random_map $exit	2045	$self->goto ($slaying, $hp, $sp);
1909	if $exit->slaying eq "/!";
1910
1911	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1912	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1913		2046
1914	1;	2047	1;
1915	}) {	2048	}) {
1916	$self->message ("Something went wrong deep within the crossfire server. "	2049	$self->message ("Something went wrong deep within the crossfire server. "
1917	. "I'll try to bring you back to the map you were before. "	2050	. "I'll try to bring you back to the map you were before. "
1918	. "Please report this to the dungeon master!",	2051	. "Please report this to the dungeon master!",
1919	cf::NDI_UNIQUE | cf::NDI_RED);	2052	cf::NDI_UNIQUE | cf::NDI_RED);
1920		2053
1921	warn "ERROR in enter_exit: $@";	2054	warn "ERROR in enter_exit: $@";
1922	$self->leave_link;	2055	$self->leave_link;
1923	}	2056	}
1924	})->prio (1);	2057	})->prio (1);
…		…
1937		2070
1938	sub cf::client::send_drawinfo {	2071	sub cf::client::send_drawinfo {
1939	my ($self, $text, $flags) = @_;	2072	my ($self, $text, $flags) = @_;
1940		2073
1941	utf8::encode $text;	2074	utf8::encode $text;
1942	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2075	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1943	}	2076	}
1944		2077
		2078	=item $client->ext_event ($type, %msg)
		2079
		2080	Sends an exti event to the client.
		2081
		2082	=cut
		2083
		2084	sub cf::client::ext_event($$%) {
		2085	my ($self, $type, %msg) = @_;
		2086
		2087	$msg{msgtype} = "event_$type";
		2088	$self->send_packet ("ext " . cf::to_json \%msg);
		2089	}
1945		2090
1946	=item $success = $client->query ($flags, "text", \&cb)	2091	=item $success = $client->query ($flags, "text", \&cb)
1947		2092
1948	Queues a query to the client, calling the given callback with	2093	Queues a query to the client, calling the given callback with
1949	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2094	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1978	# get handled first	2123	# get handled first
1979	my $queue = delete $ns->{query_queue}	2124	my $queue = delete $ns->{query_queue}
1980	or return; # be conservative, not sure how that can happen, but we saw a crash here	2125	or return; # be conservative, not sure how that can happen, but we saw a crash here
1981		2126
1982	(shift @$queue)->[1]->($msg);	2127	(shift @$queue)->[1]->($msg);
		2128	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1983		2129
1984	push @{ $ns->{query_queue} }, @$queue;	2130	push @{ $ns->{query_queue} }, @$queue;
1985		2131
1986	if (@{ $ns->{query_queue} } == @$queue) {	2132	if (@{ $ns->{query_queue} } == @$queue) {
1987	if (@$queue) {	2133	if (@$queue) {
…		…
2045		2191
2046	# here we export the classes and methods available to script code	2192	# here we export the classes and methods available to script code
2047		2193
2048	=pod	2194	=pod
2049		2195
2050	The following fucntions and emthods are available within a safe environment:	2196	The following functions and methods are available within a safe environment:
2051		2197
2052	cf::object contr pay_amount pay_player map	2198	cf::object contr pay_amount pay_player map
2053	cf::object::player player	2199	cf::object::player player
2054	cf::player peaceful	2200	cf::player peaceful
2055	cf::map trigger	2201	cf::map trigger
…		…
2140	#############################################################################	2286	#############################################################################
2141		2287
2142	=head2 EXTENSION DATABASE SUPPORT	2288	=head2 EXTENSION DATABASE SUPPORT
2143		2289
2144	Crossfire maintains a very simple database for extension use. It can	2290	Crossfire maintains a very simple database for extension use. It can
2145	currently store anything that can be serialised using Storable, which	2291	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2146	excludes objects.	2292	convert to/from binary).
2147		2293
2148	The parameter C<$family> should best start with the name of the extension	2294	The parameter C<$family> should best start with the name of the extension
2149	using it, it should be unique.	2295	using it, it should be unique.
2150		2296
2151	=over 4	2297	=over 4
2152		2298
2153	=item $hashref = cf::db_get $family
2154
2155	Return a hashref for use by the extension C<$family>, which can be
2156	modified. After modifications, you have to call C<cf::db_dirty> or
2157	C<cf::db_sync>.
2158
2159	=item $value = cf::db_get $family => $key	2299	=item $value = cf::db_get $family => $key
2160		2300
2161	Returns a single value from the database	2301	Returns a single value from the database.
2162
2163	=item cf::db_put $family => $hashref
2164
2165	Stores the given family hashref into the database. Updates are delayed, if
2166	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2167		2302
2168	=item cf::db_put $family => $key => $value	2303	=item cf::db_put $family => $key => $value
2169		2304
2170	Stores the given C<$value> in the family hash. Updates are delayed, if you	2305	Stores the given C<$value> in the family.
2171	want the data to be synced to disk immediately, use C<cf::db_sync>.
2172
2173	=item cf::db_dirty
2174
2175	Marks the database as dirty, to be updated at a later time.
2176
2177	=item cf::db_sync
2178
2179	Immediately write the database to disk I<if it is dirty>.
2180		2306
2181	=cut	2307	=cut
2182		2308
2183	our $DB;	2309	our $DB;
2184		2310
2185	{	2311	sub db_init {
2186	my $path = cf::localdir . "/database.pst";	2312	unless ($DB) {
		2313	$DB = BDB::db_create $DB_ENV;
2187		2314
2188	sub db_load() {	2315	cf::sync_job {
2189	$DB = stat $path ? Storable::retrieve $path : { };	2316	eval {
2190	}	2317	$DB->set_flags (BDB::CHKSUM);
2191		2318
2192	my $pid;	2319	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2193		2320	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2194	sub db_save() {	2321	cf::cleanup "db_open(db): $!" if $!;
2195	waitpid $pid, 0 if $pid;	2322	};
2196	if (0 == ($pid = fork)) {	2323	cf::cleanup "db_open(db): $@" if $@;
2197	$DB->{_meta}{version} = 1;
2198	Storable::nstore $DB, "$path~";
2199	rename "$path~", $path;
2200	cf::_exit 0 if defined $pid;
2201	}	2324	};
2202	}	2325	}
		2326	}
2203		2327
2204	my $dirty;
2205
2206	sub db_sync() {
2207	db_save if $dirty;
2208	undef $dirty;
2209	}
2210
2211	my $idle = Event->idle (
2212	reentrant => 0,
2213	min => 10,
2214	max => 20,
2215	repeat => 0,
2216	data => WF_AUTOCANCEL,
2217	cb => \&db_sync,
2218	);
2219
2220	sub db_dirty() {
2221	$dirty = 1;
2222	$idle->start;
2223	}
2224
2225	sub db_get($;$) {	2328	sub db_get($$) {
2226	@_ >= 2	2329	my $key = "$_[0]/$_[1]";
2227	? $DB->{$_[0]}{$_[1]}
2228	: ($DB->{$_[0]} ||= { })
2229	}
2230		2330
		2331	cf::sync_job {
		2332	BDB::db_get $DB, undef, $key, my $data;
		2333
		2334	$! ? ()
		2335	: $data
		2336	}
		2337	}
		2338
2231	sub db_put($$;$) {	2339	sub db_put($$$) {
2232	if (@_ >= 3) {	2340	BDB::dbreq_pri 4;
2233	$DB->{$_[0]}{$_[1]} = $_[2];	2341	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2234	} else {	2342	}
2235	$DB->{$_[0]} = $_[1];
2236	}
2237	db_dirty;
2238	}
2239		2343
2240	cf::global->attach (	2344	=item cf::cache $id => [$paths...], $processversion => $process
2241	prio => 10000,	2345
2242	on_cleanup => sub {	2346	Generic caching function that returns the value of the resource $id,
2243	db_sync;	2347	caching and regenerating as required.
		2348
		2349	This function can block.
		2350
		2351	=cut
		2352
		2353	sub cache {
		2354	my ($id, $src, $processversion, $process) = @_;
		2355
		2356	my $meta =
		2357	join "\x00",
		2358	$processversion,
		2359	map {
		2360	aio_stat $_
		2361	and Carp::croak "$_: $!";
		2362
		2363	($_, (stat _)[7,9])
		2364	} @$src;
		2365
		2366	my $dbmeta = db_get cache => "$id/meta";
		2367	if ($dbmeta ne $meta) {
		2368	# changed, we may need to process
		2369
		2370	my @data;
		2371	my $md5;
		2372
		2373	for (0 .. $#$src) {
		2374	0 <= aio_load $src->[$_], $data[$_]
		2375	or Carp::croak "$src->[$_]: $!";
2244	},	2376	}
2245	);	2377
		2378	# if processing is expensive, check
		2379	# checksum first
		2380	if (1) {
		2381	$md5 =
		2382	join "\x00",
		2383	$processversion,
		2384	map {
		2385	Coro::cede;
		2386	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2387	} 0.. $#$src;
		2388
		2389
		2390	my $dbmd5 = db_get cache => "$id/md5";
		2391	if ($dbmd5 eq $md5) {
		2392	db_put cache => "$id/meta", $meta;
		2393
		2394	return db_get cache => "$id/data";
		2395	}
		2396	}
		2397
		2398	my $t1 = Time::HiRes::time;
		2399	my $data = $process->(\@data);
		2400	my $t2 = Time::HiRes::time;
		2401
		2402	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2403
		2404	db_put cache => "$id/data", $data;
		2405	db_put cache => "$id/md5" , $md5;
		2406	db_put cache => "$id/meta", $meta;
		2407
		2408	return $data;
		2409	}
		2410
		2411	db_get cache => "$id/data"
2246	}	2412	}
		2413
		2414	=item fork_call { }, $args
		2415
		2416	Executes the given code block with the given arguments in a seperate
		2417	process, returning the results. Everything must be serialisable with
		2418	Coro::Storable. May, of course, block. Note that the executed sub may
		2419	never block itself or use any form of Event handling.
		2420
		2421	=cut
		2422
		2423	sub fork_call(&@) {
		2424	my ($cb, @args) = @_;
		2425
		2426	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2427	# or die "socketpair: $!";
		2428	pipe my $fh1, my $fh2
		2429	or die "pipe: $!";
		2430
		2431	if (my $pid = fork) {
		2432	close $fh2;
		2433
		2434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2435	$res = Coro::Storable::thaw $res;
		2436
		2437	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2438
		2439	die $$res unless "ARRAY" eq ref $res;
		2440
		2441	return wantarray ? @$res : $res->[-1];
		2442	} else {
		2443	reset_signals;
		2444	local $SIG{__WARN__};
		2445	local $SIG{__DIE__};
		2446	eval {
		2447	close $fh1;
		2448
		2449	my @res = eval { $cb->(@args) };
		2450	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2451	};
		2452
		2453	warn $@ if $@;
		2454	_exit 0;
		2455	}
		2456	}
		2457
		2458
2247		2459
2248	#############################################################################	2460	#############################################################################
2249	# the server's main()	2461	# the server's init and main functions
		2462
		2463	sub load_facedata($) {
		2464	my ($path) = @_;
		2465
		2466	warn "loading facedata from $path\n";
		2467
		2468	my $facedata;
		2469	0 < aio_load $path, $facedata
		2470	or die "$path: $!";
		2471
		2472	$facedata = Coro::Storable::thaw $facedata;
		2473
		2474	$facedata->{version} == 2
		2475	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2476
		2477	{
		2478	my $faces = $facedata->{faceinfo};
		2479
		2480	while (my ($face, $info) = each %$faces) {
		2481	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2482	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2483	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2484	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2485	Coro::cede;
		2486	}
		2487
		2488	while (my ($face, $info) = each %$faces) {
		2489	next unless $info->{smooth};
		2490	my $idx = cf::face::find $face
		2491	or next;
		2492	if (my $smooth = cf::face::find $info->{smooth}) {
		2493	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2494	} else {
		2495	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2496	}
		2497	Coro::cede;
		2498	}
		2499	}
		2500
		2501	{
		2502	my $anims = $facedata->{animinfo};
		2503
		2504	while (my ($anim, $info) = each %$anims) {
		2505	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2506	Coro::cede;
		2507	}
		2508
		2509	cf::anim::invalidate_all; # d'oh
		2510	}
		2511
		2512	1
		2513	}
		2514
		2515	sub reload_regions {
		2516	load_resource_file "$MAPDIR/regions"
		2517	or die "unable to load regions file\n";
		2518	}
		2519
		2520	sub reload_facedata {
		2521	load_facedata "$DATADIR/facedata"
		2522	or die "unable to load facedata\n";
		2523	}
		2524
		2525	sub reload_archetypes {
		2526	load_resource_file "$DATADIR/archetypes"
		2527	or die "unable to load archetypes\n";
		2528	}
		2529
		2530	sub reload_treasures {
		2531	load_resource_file "$DATADIR/treasures"
		2532	or die "unable to load treasurelists\n";
		2533	}
		2534
		2535	sub reload_resources {
		2536	warn "reloading resource files...\n";
		2537
		2538	reload_regions;
		2539	reload_facedata;
		2540	reload_archetypes;
		2541	reload_treasures;
		2542
		2543	warn "finished reloading resource files\n";
		2544	}
		2545
		2546	sub init {
		2547	reload_resources;
		2548	}
2250		2549
2251	sub cfg_load {	2550	sub cfg_load {
2252	open my $fh, "<:utf8", cf::confdir . "/config"	2551	open my $fh, "<:utf8", "$CONFDIR/config"
2253	or return;	2552	or return;
2254		2553
2255	local $/;	2554	local $/;
2256	*CFG = YAML::Syck::Load <$fh>;	2555	*CFG = YAML::Syck::Load <$fh>;
2257		2556
…		…
2277	Event::one_event;	2576	Event::one_event;
2278	})->prio (Coro::PRIO_MAX);	2577	})->prio (Coro::PRIO_MAX);
2279	};	2578	};
2280		2579
2281	cfg_load;	2580	cfg_load;
2282	db_load;	2581	db_init;
2283	load_extensions;	2582	load_extensions;
2284		2583
2285	$TICK_WATCHER->start;	2584	$TICK_WATCHER->start;
2286	Event::loop;	2585	Event::loop;
2287	}	2586	}
…		…
2294	for my $signal (qw(INT HUP TERM)) {	2593	for my $signal (qw(INT HUP TERM)) {
2295	Event->signal (	2594	Event->signal (
2296	reentrant => 0,	2595	reentrant => 0,
2297	data => WF_AUTOCANCEL,	2596	data => WF_AUTOCANCEL,
2298	signal => $signal,	2597	signal => $signal,
		2598	prio => 0,
2299	cb => sub {	2599	cb => sub {
2300	cf::cleanup "SIG$signal";	2600	cf::cleanup "SIG$signal";
2301	},	2601	},
2302	);	2602	);
2303	}	2603	}
…		…
2325	my $map = $cf::MAP{$path} or next;	2625	my $map = $cf::MAP{$path} or next;
2326	$map->valid or next;	2626	$map->valid or next;
2327	$map->save;	2627	$map->save;
2328	}	2628	}
2329	warn "end emergency map save\n";	2629	warn "end emergency map save\n";
		2630
		2631	warn "begin emergency database checkpoint\n";
		2632	BDB::db_env_txn_checkpoint $DB_ENV;
		2633	warn "end emergency database checkpoint\n";
2330	};	2634	};
2331		2635
2332	warn "leave emergency perl save\n";	2636	warn "leave emergency perl save\n";
2333	}	2637	}
2334		2638
		2639	sub post_cleanup {
		2640	my ($make_core) = @_;
		2641
		2642	warn Carp::longmess "post_cleanup backtrace"
		2643	if $make_core;
		2644	}
		2645
2335	sub reload() {	2646	sub do_reload_perl() {
2336	# can/must only be called in main	2647	# can/must only be called in main
2337	if ($Coro::current != $Coro::main) {	2648	if ($Coro::current != $Coro::main) {
2338	warn "can only reload from main coroutine";	2649	warn "can only reload from main coroutine";
2339	return;	2650	return;
2340	}	2651	}
2341		2652
2342	warn "reloading...";	2653	warn "reloading...";
2343		2654
2344	warn "cancelling server ticker";	2655	warn "entering sync_job";
2345	$TICK_WATCHER->cancel;
2346		2656
		2657	cf::sync_job {
		2658	cf::write_runtime; # external watchdog should not bark
2347	cf::emergency_save;	2659	cf::emergency_save;
		2660	cf::write_runtime; # external watchdog should not bark
2348		2661
2349	eval {	2662	warn "syncing database to disk";
		2663	BDB::db_env_txn_checkpoint $DB_ENV;
		2664
2350	# if anything goes wrong in here, we should simply crash as we already saved	2665	# if anything goes wrong in here, we should simply crash as we already saved
2351
2352	warn "syncing database to disk";
2353	cf::db_sync;
2354		2666
2355	warn "cancelling all WF_AUTOCANCEL watchers";	2667	warn "cancelling all WF_AUTOCANCEL watchers";
2356	for (Event::all_watchers) {	2668	for (Event::all_watchers) {
2357	$_->cancel if $_->data & WF_AUTOCANCEL;	2669	$_->cancel if $_->data & WF_AUTOCANCEL;
2358	}	2670	}
2359		2671
2360	warn "flushing outstanding aio requests";	2672	warn "flushing outstanding aio requests";
2361	for (;;) {	2673	for (;;) {
		2674	BDB::flush;
2362	IO::AIO::flush;	2675	IO::AIO::flush;
2363	Coro::cede;	2676	Coro::cede;
2364	last unless IO::AIO::nreqs;	2677	last unless IO::AIO::nreqs || BDB::nreqs;
2365	warn "iterate...";	2678	warn "iterate...";
2366	}	2679	}
		2680
		2681	++$RELOAD;
2367		2682
2368	warn "cancelling all extension coros";	2683	warn "cancelling all extension coros";
2369	$_->cancel for values %EXT_CORO;	2684	$_->cancel for values %EXT_CORO;
2370	%EXT_CORO = ();	2685	%EXT_CORO = ();
2371		2686
…		…
2411	Symbol::delete_package "safe::$_"	2726	Symbol::delete_package "safe::$_"
2412	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2727	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2413		2728
2414	warn "unloading cf.pm \"a bit\"";	2729	warn "unloading cf.pm \"a bit\"";
2415	delete $INC{"cf.pm"};	2730	delete $INC{"cf.pm"};
		2731	delete $INC{"cf/pod.pm"};
2416		2732
2417	# don't, removes xs symbols, too,	2733	# don't, removes xs symbols, too,
2418	# and global variables created in xs	2734	# and global variables created in xs
2419	#Symbol::delete_package __PACKAGE__;	2735	#Symbol::delete_package __PACKAGE__;
2420		2736
…		…
2424	require cf;	2740	require cf;
2425	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2741	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2426		2742
2427	warn "loading config and database again";	2743	warn "loading config and database again";
2428	cf::cfg_load;	2744	cf::cfg_load;
2429	cf::db_load;
2430		2745
2431	warn "loading extensions";	2746	warn "loading extensions";
2432	cf::load_extensions;	2747	cf::load_extensions;
2433		2748
2434	warn "reattaching attachments to objects/players";	2749	warn "reattaching attachments to objects/players";
2435	_global_reattach;	2750	_global_reattach; # objects, sockets
2436	warn "reattaching attachments to maps";	2751	warn "reattaching attachments to maps";
2437	reattach $_ for values %MAP;	2752	reattach $_ for values %MAP;
		2753	warn "reattaching attachments to players";
		2754	reattach $_ for values %PLAYER;
2438		2755
2439	warn "restarting server ticker";	2756	warn "leaving sync_job";
2440		2757
2441	$TICK_WATCHER->start;	2758	1
2442	};	2759	} or do {
2443
2444	if ($@) {
2445	warn $@;	2760	warn $@;
2446	warn "error while reloading, exiting.";	2761	warn "error while reloading, exiting.";
2447	exit 1;	2762	exit 1;
2448	}	2763	};
2449		2764
2450	warn "reloaded";	2765	warn "reloaded";
2451	};	2766	};
2452		2767
2453	our $RELOAD_WATCHER; # used only during reload	2768	our $RELOAD_WATCHER; # used only during reload
2454		2769
		2770	sub reload_perl() {
		2771	# doing reload synchronously and two reloads happen back-to-back,
		2772	# coro crashes during coro_state_free->destroy here.
		2773
		2774	$RELOAD_WATCHER ||= Event->timer (
		2775	reentrant => 0,
		2776	after => 0,
		2777	data => WF_AUTOCANCEL,
		2778	cb => sub {
		2779	do_reload_perl;
		2780	undef $RELOAD_WATCHER;
		2781	},
		2782	);
		2783	}
		2784
2455	register_command "reload" => sub {	2785	register_command "reload" => sub {
2456	my ($who, $arg) = @_;	2786	my ($who, $arg) = @_;
2457		2787
2458	if ($who->flag (FLAG_WIZ)) {	2788	if ($who->flag (FLAG_WIZ)) {
2459	$who->message ("reloading server.");	2789	$who->message ("reloading server.");
2460		2790	async { reload_perl };
2461	# doing reload synchronously and two reloads happen back-to-back,
2462	# coro crashes during coro_state_free->destroy here.
2463
2464	$RELOAD_WATCHER ||= Event->timer (
2465	reentrant => 0,
2466	after => 0,
2467	data => WF_AUTOCANCEL,
2468	cb => sub {
2469	reload;
2470	undef $RELOAD_WATCHER;
2471	},
2472	);
2473	}	2791	}
2474	};	2792	};
2475		2793
2476	unshift @INC, $LIBDIR;	2794	unshift @INC, $LIBDIR;
2477		2795
2478	my $bug_warning = 0;	2796	my $bug_warning = 0;
		2797
		2798	our @WAIT_FOR_TICK;
		2799	our @WAIT_FOR_TICK_BEGIN;
		2800
		2801	sub wait_for_tick {
		2802	return unless $TICK_WATCHER->is_active;
		2803	return if $Coro::current == $Coro::main;
		2804
		2805	my $signal = new Coro::Signal;
		2806	push @WAIT_FOR_TICK, $signal;
		2807	$signal->wait;
		2808	}
		2809
		2810	sub wait_for_tick_begin {
		2811	return unless $TICK_WATCHER->is_active;
		2812	return if $Coro::current == $Coro::main;
		2813
		2814	my $signal = new Coro::Signal;
		2815	push @WAIT_FOR_TICK_BEGIN, $signal;
		2816	$signal->wait;
		2817	}
2479		2818
2480	$TICK_WATCHER = Event->timer (	2819	$TICK_WATCHER = Event->timer (
2481	reentrant => 0,	2820	reentrant => 0,
2482	parked => 1,	2821	parked => 1,
2483	prio => 0,	2822	prio => 0,
…		…
2491	}	2830	}
2492		2831
2493	$NOW = Event::time;	2832	$NOW = Event::time;
2494		2833
2495	cf::server_tick; # one server iteration	2834	cf::server_tick; # one server iteration
		2835
2496	$RUNTIME += $TICK;	2836	$RUNTIME += $TICK;
2497	$NEXT_TICK += $TICK;	2837	$NEXT_TICK += $TICK;
2498		2838
2499	$WAIT_FOR_TICK->broadcast;	2839	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2500	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2840	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2841	Coro::async_pool {
		2842	write_runtime
		2843	or warn "ERROR: unable to write runtime file: $!";
		2844	};
		2845	}
		2846
		2847	# my $AFTER = Event::time;
		2848	# warn $AFTER - $NOW;#d#
2501		2849
2502	# if we are delayed by four ticks or more, skip them all	2850	# if we are delayed by four ticks or more, skip them all
2503	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2851	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2504		2852
2505	$TICK_WATCHER->at ($NEXT_TICK);	2853	$TICK_WATCHER->at ($NEXT_TICK);
2506	$TICK_WATCHER->start;	2854	$TICK_WATCHER->start;
		2855
		2856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2857	$sig->send;
		2858	}
		2859	while (my $sig = shift @WAIT_FOR_TICK) {
		2860	$sig->send;
		2861	}
		2862
		2863	_post_tick;
2507	},	2864	},
2508	);	2865	);
2509		2866
		2867	{
2510	IO::AIO::max_poll_time $TICK * 0.2;	2868	BDB::max_poll_time $TICK * 0.1;
		2869	$BDB_POLL_WATCHER = Event->io (
		2870	reentrant => 0,
		2871	fd => BDB::poll_fileno,
		2872	poll => 'r',
		2873	prio => 0,
		2874	data => WF_AUTOCANCEL,
		2875	cb => \&BDB::poll_cb,
		2876	);
		2877	BDB::min_parallel 8;
2511		2878
		2879	BDB::set_sync_prepare {
		2880	my $status;
		2881	my $current = $Coro::current;
		2882	(
		2883	sub {
		2884	$status = $!;
		2885	$current->ready; undef $current;
		2886	},
		2887	sub {
		2888	Coro::schedule while defined $current;
		2889	$! = $status;
		2890	},
		2891	)
		2892	};
		2893
		2894	unless ($DB_ENV) {
		2895	$DB_ENV = BDB::db_env_create;
		2896
		2897	cf::sync_job {
		2898	eval {
		2899	BDB::db_env_open
		2900	$DB_ENV,
		2901	$BDBDIR,
		2902	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2903	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2904	0666;
		2905
		2906	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		2907
		2908	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2909	$DB_ENV->set_lk_detect;
		2910	};
		2911
		2912	cf::cleanup "db_env_open(db): $@" if $@;
		2913	};
		2914	}
		2915	}
		2916
		2917	{
		2918	IO::AIO::min_parallel 8;
		2919
2512	undef $Coro::AIO::WATCHER;	2920	undef $Coro::AIO::WATCHER;
		2921	IO::AIO::max_poll_time $TICK * 0.1;
2513	$AIO_POLL_WATCHER = Event->io (	2922	$AIO_POLL_WATCHER = Event->io (
2514	reentrant => 0,	2923	reentrant => 0,
		2924	data => WF_AUTOCANCEL,
2515	fd => IO::AIO::poll_fileno,	2925	fd => IO::AIO::poll_fileno,
2516	poll => 'r',	2926	poll => 'r',
2517	prio => 6,	2927	prio => 6,
2518	data => WF_AUTOCANCEL,
2519	cb => \&IO::AIO::poll_cb,	2928	cb => \&IO::AIO::poll_cb,
2520	);	2929	);
		2930	}
2521		2931
2522	$WRITE_RUNTIME_WATCHER = Event->timer (	2932	my $_log_backtrace;
2523	reentrant => 0,	2933
2524	data => WF_AUTOCANCEL,	2934	sub _log_backtrace {
2525	after => 1,	2935	my ($msg, @addr) = @_;
2526	interval => 10,	2936
2527	prio => 6, # keep it lowest so it acts like a watchdog	2937	$msg =~ s/\n//;
2528	cb => Coro::unblock_sub {	2938
2529	write_runtime	2939	# limit the # of concurrent backtraces
2530	or warn "ERROR: unable to write runtime file: $!";	2940	if ($_log_backtrace < 2) {
		2941	++$_log_backtrace;
		2942	async {
		2943	my @bt = fork_call {
		2944	@addr = map { sprintf "%x", $_ } @addr;
		2945	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		2946	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		2947	or die "addr2line: $!";
		2948
		2949	my @funcs;
		2950	my @res = <$fh>;
		2951	chomp for @res;
		2952	while (@res) {
		2953	my ($func, $line) = splice @res, 0, 2, ();
		2954	push @funcs, "[$func] $line";
		2955	}
		2956
		2957	@funcs
		2958	};
		2959
		2960	LOG llevInfo, "[ABT] $msg\n";
		2961	LOG llevInfo, "[ABT] $_\n" for @bt;
		2962	--$_log_backtrace;
		2963	};
		2964	} else {
		2965	LOG llevInfo, "[ABT] $msg\n";
		2966	LOG llevInfo, "[ABT] [suppressed]\n";
2531	},	2967	}
2532	);	2968	}
		2969
		2970	# load additional modules
		2971	use cf::pod;
2533		2972
2534	END { cf::emergency_save }	2973	END { cf::emergency_save }
2535		2974
2536	1	2975	1
2537		2976

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