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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.170 by root, Sun Jan 14 02:00:37 2007 UTC vs.
Revision 1.236 by root, Thu Apr 12 14:18:05 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Storable;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
12		13
13	use Coro 3.3 ();	14	use Coro 3.52 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
19		21
		22	use BDB ();
20	use Data::Dumper;	23	use Data::Dumper;
21	use Digest::MD5;	24	use Digest::MD5;
22	use Fcntl;	25	use Fcntl;
		26	use YAML::Syck ();
23	use IO::AIO 2.32 ();	27	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	28	use Time::HiRes;
		29	use Compress::LZF;
26		30
		31	# configure various modules to our taste
		32	#
		33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		35
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	36	$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		37
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	39	$YAML::Syck::ImplicitUnicode = 1;
33		40
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		42
		43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		44
36	our %COMMAND = ();	45	our %COMMAND = ();
37	our %COMMAND_TIME = ();	46	our %COMMAND_TIME = ();
38		47
39	our @EXTS = (); # list of extension package names	48	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	49	our %EXTCMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	50	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	51	our %EXT_MAP = (); # pluggable maps
43		52
		53	our $RELOAD; # number of reloads so far
44	our @EVENT;	54	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	55	our $LIBDIR = datadir . "/ext";
46		56
47	our $TICK = MAX_TIME * 1e-6;	57	our $TICK = MAX_TIME * 1e-6;
48	our $TICK_WATCHER;	58	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	59	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	61	our $NEXT_TICK;
52	our $NOW;	62	our $NOW;
		63	our $USE_FSYNC = 1; # use fsync to write maps - default off
		64
		65	our $BDB_POLL_WATCHER;
		66	our $DB_ENV;
53		67
54	our %CFG;	68	our %CFG;
55		69
56	our $UPTIME; $UPTIME ||= time;	70	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	71	our $RUNTIME;
58		72
59	our %PLAYER; # all users	73	our %PLAYER; # all users
60	our %MAP; # all maps	74	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	75	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";	76	our $RANDOM_MAPS = cf::localdir . "/random";
		77	our $BDB_ENV_DIR = cf::localdir . "/db";
63		78
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		81
67	# used to convert map paths into valid unix filenames by replacing / by ∕	82	# used to convert map paths into valid unix filenames by replacing / by ∕
…		…
80	mkdir cf::localdir;	95	mkdir cf::localdir;
81	mkdir cf::localdir . "/" . cf::playerdir;	96	mkdir cf::localdir . "/" . cf::playerdir;
82	mkdir cf::localdir . "/" . cf::tmpdir;	97	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;	98	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;	99	mkdir $RANDOM_MAPS;
		100	mkdir $BDB_ENV_DIR;
85		101
86	our $EMERGENCY_POSITION;	102	our $EMERGENCY_POSITION;
		103
		104	sub cf::map::normalise;
87		105
88	#############################################################################	106	#############################################################################
89		107
90	=head2 GLOBAL VARIABLES	108	=head2 GLOBAL VARIABLES
91		109
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	209	$d
192	} || "[unable to dump $_[0]: '$@']";	210	} || "[unable to dump $_[0]: '$@']";
193	}	211	}
194		212
195	use JSON::Syck (); # TODO# replace by JSON::PC once working	213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
196		214
197	=item $ref = cf::from_json $json	215	=item $ref = cf::from_json $json
198		216
199	Converts a JSON string into the corresponding perl data structure.	217	Converts a JSON string into the corresponding perl data structure.
200		218
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	219	=item $json = cf::to_json $ref
209		220
210	Converts a perl data structure into its JSON representation.	221	Converts a perl data structure into its JSON representation.
211
212	=cut
213
214	sub to_json($) {
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
216	JSON::Syck::Dump $_[0]
217	}
218		222
219	=item cf::lock_wait $string	223	=item cf::lock_wait $string
220		224
221	Wait until the given lock is available. See cf::lock_acquire.	225	Wait until the given lock is available. See cf::lock_acquire.
222		226
…		…
261	sub freeze_mainloop {	265	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	266	return unless $TICK_WATCHER->is_active;
263		267
264	my $guard = Coro::guard {	268	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	269	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	270	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	271	$TICK_WATCHER->stop;
270	$guard	272	$guard
271	}	273	}
272		274
273	=item cf::async { BLOCK }	275	=item cf::async { BLOCK }
…		…
344		346
345	$coro	347	$coro
346	}	348	}
347		349
348	sub write_runtime {	350	sub write_runtime {
		351	my $guard = cf::lock_acquire "write_runtime";
		352
349	my $runtime = cf::localdir . "/runtime";	353	my $runtime = cf::localdir . "/runtime";
350		354
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
352	or return;	356	or return;
353		357
		358	my $value = $cf::RUNTIME + 90 + 10;
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	359	# 10 is the runtime save interval, for a monotonic clock
		360	# 60 allows for the watchdog to kill the server.
		361
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0	362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;	363	and return;
357		364
		365	# always fsync - this file is important
358	aio_fsync $fh	366	aio_fsync $fh
359	and return;	367	and return;
360		368
361	close $fh	369	close $fh
362	or return;	370	or return;
363		371
364	aio_rename "$runtime~", $runtime	372	aio_rename "$runtime~", $runtime
365	and return;	373	and return;
366		374
367	1	375	1
		376	}
		377
		378	=item cf::datalog type => key => value, ...
		379
		380	Log a datalog packet of the given type with the given key-value pairs.
		381
		382	=cut
		383
		384	sub datalog($@) {
		385	my ($type, %kv) = @_;
		386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	387	}
369		388
370	=back	389	=back
371		390
372	=cut	391	=cut
…		…
747	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
748		767
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
752	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	772	close $fh;
754		773
755	if (@$objs) {	774	if (@$objs) {
756	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
760	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	780	close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
763	}	782	}
764	} else {	783	} else {
765	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
944	}	963	}
945		964
946	sub path($) {	965	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		967
949	(playerdir $login) . "/$login.pl"	968	(playerdir $login) . "/playerdata"
950	}	969	}
951		970
952	sub find_active($) {	971	sub find_active($) {
953	$cf::PLAYER{$_[0]}	972	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	973	and $cf::PLAYER{$_[0]}->active
…		…
957		976
958	sub exists($) {	977	sub exists($) {
959	my ($login) = @_;	978	my ($login) = @_;
960		979
961	$cf::PLAYER{$login}	980	$cf::PLAYER{$login}
962	or cf::sync_job { !aio_stat $login }	981	or cf::sync_job { !aio_stat path $login }
963	}	982	}
964		983
965	sub find($) {	984	sub find($) {
966	return $cf::PLAYER{$_[0]} || do {	985	return $cf::PLAYER{$_[0]} || do {
967	my $login = $_[0];	986	my $login = $_[0];
968		987
969	my $guard = cf::lock_acquire "user_find:$login";	988	my $guard = cf::lock_acquire "user_find:$login";
970		989
971	$cf::PLAYER{$_[0]} || do {	990	$cf::PLAYER{$_[0]} || do {
		991	# rename old playerfiles to new ones
		992	#TODO: remove when no longer required
		993	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		994	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		995	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		996	aio_unlink +(playerdir $login) . "/$login.pl";
		997
972	my $pl = load_pl path $login	998	my $pl = load_pl path $login
973	or return;	999	or return;
974	$cf::PLAYER{$login} = $pl	1000	$cf::PLAYER{$login} = $pl
975	}	1001	}
976	}	1002	}
…		…
1013		1039
1014	=cut	1040	=cut
1015		1041
1016	sub quit_character {	1042	sub quit_character {
1017	my ($pl) = @_;	1043	my ($pl) = @_;
		1044
		1045	my $name = $pl->ob->name;
1018		1046
1019	$pl->{deny_save} = 1;	1047	$pl->{deny_save} = 1;
1020	$pl->password ("*"); # this should lock out the player until we nuked the dir	1048	$pl->password ("*"); # this should lock out the player until we nuked the dir
1021		1049
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1050	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1027	my $path = playerdir $pl;	1055	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1056	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1057	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1058	delete $cf::PLAYER{$pl->ob->name};
1031	$pl->destroy;	1059	$pl->destroy;
		1060
		1061	my $prefix = qr<^~\Q$name\E/>;
		1062
		1063	# nuke player maps
		1064	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1065
1032	IO::AIO::aio_rmtree $temp;	1066	IO::AIO::aio_rmtree $temp;
		1067	}
		1068
		1069	=item $pl->kick
		1070
		1071	Kicks a player out of the game. This destroys the connection.
		1072
		1073	=cut
		1074
		1075	sub kick {
		1076	my ($pl, $kicker) = @_;
		1077
		1078	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1079	$pl->killer ("kicked");
		1080	$pl->ns->destroy;
1033	}	1081	}
1034		1082
1035	=item cf::player::list_logins	1083	=item cf::player::list_logins
1036		1084
1037	Returns am arrayref of all valid playernames in the system, can take a	1085	Returns am arrayref of all valid playernames in the system, can take a
…		…
1065	=cut	1113	=cut
1066		1114
1067	sub maps($) {	1115	sub maps($) {
1068	my ($pl) = @_;	1116	my ($pl) = @_;
1069		1117
		1118	$pl = ref $pl ? $pl->ob->name : $pl;
		1119
1070	my $files = aio_readdir playerdir $pl	1120	my $files = aio_readdir playerdir $pl
1071	or return;	1121	or return;
1072		1122
1073	my @paths;	1123	my @paths;
1074		1124
1075	for (@$files) {	1125	for (@$files) {
1076	utf8::decode $_;	1126	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1127	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1128	next unless /^$PATH_SEP/o;
1079		1129
1080	s/\.map$//;	1130	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1131	}
1083		1132
1084	\@paths	1133	\@paths
1085	}	1134	}
1086		1135
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1136	=item $player->ext_reply ($msgid, %msg)
1088		1137
1089	Sends an ext reply to the player.	1138	Sends an ext reply to the player.
1090		1139
1091	=cut	1140	=cut
1092		1141
1093	sub ext_reply($$$%) {	1142	sub ext_reply($$%) {
1094	my ($self, $id, %msg) = @_;	1143	my ($self, $id, %msg) = @_;
1095		1144
1096	$msg{msgid} = $id;	1145	$msg{msgid} = $id;
1097		1146
1098	$self->send ("ext " . cf::to_json \%msg);	1147	$self->send ("ext " . cf::to_json \%msg);
		1148	}
		1149
		1150	=item $player->ext_event ($type, %msg)
		1151
		1152	Sends an ext event to the client.
		1153
		1154	=cut
		1155
		1156	sub ext_event($$%) {
		1157	my ($self, $type, %msg) = @_;
		1158
		1159	$self->ns->ext_event ($type, %msg);
1099	}	1160	}
1100		1161
1101	package cf;	1162	package cf;
1102		1163
1103	=back	1164	=back
…		…
1113		1174
1114	use Fcntl;	1175	use Fcntl;
1115	use Coro::AIO;	1176	use Coro::AIO;
1116		1177
1117	use overload	1178	use overload
1118	'""' => \&as_string;	1179	'""' => \&as_string,
		1180	fallback => 1;
1119		1181
1120	our $MAX_RESET = 3600;	1182	our $MAX_RESET = 3600;
1121	our $DEFAULT_RESET = 3000;	1183	our $DEFAULT_RESET = 3000;
1122		1184
1123	sub generate_random_map {	1185	sub generate_random_map {
1124	my ($self, $rmp) = @_;	1186	my ($self, $rmp) = @_;
1125
1126	# mit "rum" bekleckern, nicht	1187	# mit "rum" bekleckern, nicht
1127	$self->_create_random_map (	1188	$self->_create_random_map (
1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1189	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1190	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1191	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1198	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region}), $rmp->{custom}	1199	(cf::region::find $rmp->{region}), $rmp->{custom}
1139	)	1200	)
1140	}	1201	}
1141		1202
		1203	=item cf::map->register ($regex, $prio)
		1204
		1205	Register a handler for the map path matching the given regex at the
		1206	givne priority (higher is better, built-in handlers have priority 0, the
		1207	default).
		1208
		1209	=cut
		1210
1142	sub register {	1211	sub register {
1143	my (undef, $regex) = @_;	1212	my (undef, $regex, $prio) = @_;
1144	my $pkg = caller;	1213	my $pkg = caller;
1145		1214
1146	no strict;	1215	no strict;
1147	push @{"$pkg\::ISA"}, __PACKAGE__;	1216	push @{"$pkg\::ISA"}, __PACKAGE__;
1148		1217
1149	$EXT_MAP{$pkg} = qr<$regex>;	1218	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150	}	1219	}
1151		1220
1152	# also paths starting with '/'	1221	# also paths starting with '/'
1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1222	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1154		1223
1155	sub thawer_merge {	1224	sub thawer_merge {
		1225	my ($self, $merge) = @_;
		1226
1156	# we have to keep some variables in memory intact	1227	# we have to keep some variables in memory intact
1157	local $_[0]{path};	1228	local $self->{path};
		1229	local $self->{load_path};
1158	local $_[0]{deny_save};	1230	local $self->{deny_save};
1159	local $_[0]{deny_reset};	1231	local $self->{deny_reset};
1160		1232
1161	$_[0]->SUPER::thawer_merge ($_[1]);	1233	$self->SUPER::thawer_merge ($merge);
1162	}	1234	}
1163		1235
1164	sub normalise {	1236	sub normalise {
1165	my ($path, $base) = @_;	1237	my ($path, $base) = @_;
		1238
		1239	$path = "$path"; # make sure its a string
		1240
		1241	$path =~ s/\.map$//;
1166		1242
1167	# map plan:	1243	# map plan:
1168	#	1244	#
1169	# /! non-realised random map exit (special hack!)	1245	# /! non-realised random map exit (special hack!)
1170	# {... are special paths that are not being touched	1246	# {... are special paths that are not being touched
…		…
1198		1274
1199	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1275	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1200		1276
1201	$path = normalise $path, $base;	1277	$path = normalise $path, $base;
1202		1278
1203	for my $pkg (keys %EXT_MAP) {	1279	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1204	if ($path =~ $EXT_MAP{$pkg}) {	1280	if ($path =~ $EXT_MAP{$pkg}[1]) {
1205	my $self = bless cf::map::new, $pkg;	1281	my $self = bless cf::map::new, $pkg;
1206	$self->{path} = $path; $self->path ($path);	1282	$self->{path} = $path; $self->path ($path);
1207	$self->init; # pass $1 etc.	1283	$self->init; # pass $1 etc.
1208	return $self;	1284	return $self;
1209	}	1285	}
1210	}	1286	}
1211		1287
1212	Carp::carp "unable to resolve path '$path'.";	1288	Carp::carp "unable to resolve path '$path' (base '$base').";
1213	()	1289	()
1214	}	1290	}
1215		1291
1216	sub init {	1292	sub init {
1217	my ($self) = @_;	1293	my ($self) = @_;
…		…
1232		1308
1233	# the original (read-only) location	1309	# the original (read-only) location
1234	sub load_path {	1310	sub load_path {
1235	my ($self) = @_;	1311	my ($self) = @_;
1236		1312
1237	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1313	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
1238	}	1314	}
1239		1315
1240	# the temporary/swap location	1316	# the temporary/swap location
1241	sub save_path {	1317	sub save_path {
1242	my ($self) = @_;	1318	my ($self) = @_;
1243		1319
1244	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1320	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1245	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1321	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
1246	}	1322	}
1247		1323
1248	# the unique path, undef == no special unique path	1324	# the unique path, undef == no special unique path
1249	sub uniq_path {	1325	sub uniq_path {
1250	my ($self) = @_;	1326	my ($self) = @_;
…		…
1272		1348
1273	sub load_header_from($) {	1349	sub load_header_from($) {
1274	my ($self, $path) = @_;	1350	my ($self, $path) = @_;
1275		1351
1276	utf8::encode $path;	1352	utf8::encode $path;
1277	aio_open $path, O_RDONLY, 0	1353	#aio_open $path, O_RDONLY, 0
1278	or return;	1354	# or return;
1279		1355
1280	$self->_load_header ($path)	1356	$self->_load_header ($path)
1281	or return;	1357	or return;
1282		1358
1283	$self->{load_path} = $path;	1359	$self->{load_path} = $path;
1284		1360
1285	1	1361	1
1286	}	1362	}
1287		1363
1288	sub load_orig {	1364	sub load_header_orig {
1289	my ($self) = @_;	1365	my ($self) = @_;
1290		1366
1291	$self->load_header_from ($self->load_path)	1367	$self->load_header_from ($self->load_path)
1292	}	1368	}
1293		1369
1294	sub load_temp {	1370	sub load_header_temp {
1295	my ($self) = @_;	1371	my ($self) = @_;
1296		1372
1297	$self->load_header_from ($self->save_path)	1373	$self->load_header_from ($self->save_path)
		1374	}
		1375
		1376	sub prepare_temp {
		1377	my ($self) = @_;
		1378
		1379	$self->last_access ((delete $self->{last_access})
		1380	|| $cf::RUNTIME); #d#
		1381	# safety
		1382	$self->{instantiate_time} = $cf::RUNTIME
		1383	if $self->{instantiate_time} > $cf::RUNTIME;
		1384	}
		1385
		1386	sub prepare_orig {
		1387	my ($self) = @_;
		1388
		1389	$self->{load_original} = 1;
		1390	$self->{instantiate_time} = $cf::RUNTIME;
		1391	$self->last_access ($cf::RUNTIME);
		1392	$self->instantiate;
1298	}	1393	}
1299		1394
1300	sub load_header {	1395	sub load_header {
1301	my ($self) = @_;	1396	my ($self) = @_;
1302		1397
1303	if ($self->load_temp) {	1398	if ($self->load_header_temp) {
1304	$self->last_access ((delete $self->{last_access})	1399	$self->prepare_temp;
1305	|| $cf::RUNTIME); #d#
1306	# safety
1307	$self->{instantiate_time} = $cf::RUNTIME
1308	if $self->{instantiate_time} > $cf::RUNTIME;
1309	} else {	1400	} else {
1310	$self->load_orig	1401	$self->load_header_orig
1311	or return;	1402	or return;
1312		1403	$self->prepare_orig;
1313	$self->{load_original} = 1;
1314	$self->{instantiate_time} = $cf::RUNTIME;
1315	$self->last_access ($cf::RUNTIME);
1316	$self->instantiate;
1317	}	1404	}
1318		1405
1319	1	1406	1
1320	}	1407	}
1321		1408
…		…
1335	$map->{last_save} = $cf::RUNTIME;	1422	$map->{last_save} = $cf::RUNTIME;
1336		1423
1337	$map->load_header	1424	$map->load_header
1338	or return;	1425	or return;
1339		1426
1340	if ($map->should_reset) {	1427	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1428	# doing this can freeze the server in a sync job, obviously
		1429	#$cf::WAIT_FOR_TICK->wait;
1341	$map->reset;	1430	$map->reset;
1342	undef $guard;	1431	undef $guard;
1343	$map = find $path	1432	return find $path;
1344	or return;
1345	}	1433	}
1346		1434
1347	$cf::MAP{$path} = $map	1435	$cf::MAP{$path} = $map
1348	}	1436	}
1349	}	1437	}
		1438
		1439	sub pre_load { }
		1440	sub post_load { }
1350		1441
1351	sub load {	1442	sub load {
1352	my ($self) = @_;	1443	my ($self) = @_;
1353		1444
		1445	local $self->{deny_reset} = 1; # loading can take a long time
		1446
1354	my $path = $self->{path};	1447	my $path = $self->{path};
1355	my $guard = cf::lock_acquire "map_load:$path";	1448	my $guard = cf::lock_acquire "map_load:$path";
1356		1449
1357	return if $self->in_memory != cf::MAP_SWAPPED;	1450	return if $self->in_memory != cf::MAP_SWAPPED;
1358		1451
1359	$self->in_memory (cf::MAP_LOADING);	1452	$self->in_memory (cf::MAP_LOADING);
1360		1453
1361	$self->alloc;	1454	$self->alloc;
		1455
		1456	$self->pre_load;
		1457
1362	$self->_load_objects ($self->{load_path}, 1)	1458	$self->_load_objects ($self->{load_path}, 1)
1363	or return;	1459	or return;
1364		1460
1365	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1461	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1366	if delete $self->{load_original};	1462	if delete $self->{load_original};
…		…
1388	unless $self->difficulty;	1484	unless $self->difficulty;
1389	Coro::cede;	1485	Coro::cede;
1390	$self->activate;	1486	$self->activate;
1391	}	1487	}
1392		1488
		1489	$self->post_load;
		1490
1393	$self->in_memory (cf::MAP_IN_MEMORY);	1491	$self->in_memory (cf::MAP_IN_MEMORY);
1394	}	1492	}
1395		1493
1396	sub customise_for {	1494	sub customise_for {
1397	my ($self, $ob) = @_;	1495	my ($self, $ob) = @_;
…		…
1437		1535
1438	cf::sync_job { $map->load };	1536	cf::sync_job { $map->load };
1439	}	1537	}
1440		1538
1441	our %MAP_PREFETCH;	1539	our %MAP_PREFETCH;
1442	our $MAP_PREFETCHER = Coro::async {	1540	our $MAP_PREFETCHER = undef;
1443	while () {
1444	for my $path (keys %MAP_PREFETCH) {
1445	my $map = find $path
1446	or next;
1447	$map->load;
1448
1449	delete $MAP_PREFETCH{$path};
1450	}
1451	Coro::schedule;
1452	}
1453	};
1454		1541
1455	sub find_async {	1542	sub find_async {
1456	my ($path, $origin) = @_;	1543	my ($path, $origin) = @_;
1457		1544
1458	$path = normalise $path, $origin && $origin->{path};	1545	$path = normalise $path, $origin && $origin->{path};
1459		1546
1460	if (my $map = $cf::MAP{$path}) {	1547	if (my $map = $cf::MAP{$path}) {
1461	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1548	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1462	}	1549	}
1463		1550
1464	$MAP_PREFETCH{$path} = 0;	1551	undef $MAP_PREFETCH{$path};
		1552	$MAP_PREFETCHER ||= cf::async {
		1553	while (%MAP_PREFETCH) {
		1554	for my $path (keys %MAP_PREFETCH) {
		1555	my $map = find $path
		1556	or next;
		1557	$map->load;
		1558
		1559	delete $MAP_PREFETCH{$path};
		1560	}
		1561	}
		1562	undef $MAP_PREFETCHER;
		1563	};
1465	$MAP_PREFETCHER->ready;	1564	$MAP_PREFETCHER->prio (6);
1466		1565
1467	()	1566	()
1468	}	1567	}
1469		1568
1470	sub save {	1569	sub save {
…		…
1530	my ($self) = @_;	1629	my ($self) = @_;
1531		1630
1532	$self->reset_at <= $cf::RUNTIME	1631	$self->reset_at <= $cf::RUNTIME
1533	}	1632	}
1534		1633
1535	sub rename {
1536	my ($self, $new_path) = @_;
1537
1538	normalise $new_path;
1539
1540	$self->unlink_save;
1541
1542	delete $cf::MAP{$self->path};
1543	$self->{path} = $new_path; $self->path ($self->{path});
1544	$cf::MAP{$self->path} = $self;
1545
1546	$self->save;
1547	}
1548
1549	sub reset {	1634	sub reset {
1550	my ($self) = @_;	1635	my ($self) = @_;
1551		1636
1552	my $lock = cf::lock_acquire "map_data:$self->{path}";	1637	my $lock = cf::lock_acquire "map_data:$self->{path}";
1553		1638
1554	return if $self->players;	1639	return if $self->players;
1555	return if $self->isa ("ext::map_per_player");#d#	1640	return if $self->isa ("ext::map_per_player");#d#
1556		1641
1557	warn "resetting map ", $self->path;#d#	1642	warn "resetting map ", $self->path;#d#
1558		1643
		1644	$self->in_memory (cf::MAP_SWAPPED);
		1645
		1646	# need to save uniques path
		1647	unless ($self->{deny_save}) {
		1648	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1649
		1650	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1651	if $uniq;
		1652	}
		1653
1559	delete $cf::MAP{$self->path};	1654	delete $cf::MAP{$self->path};
1560		1655
1561	$self->in_memory (cf::MAP_SWAPPED);
1562	$self->clear;	1656	$self->clear;
1563		1657
1564	$_->clear_links_to ($self) for values %cf::MAP;	1658	$_->clear_links_to ($self) for values %cf::MAP;
1565		1659
1566	$self->unlink_save;	1660	$self->unlink_save;
…		…
1570	my $nuke_counter = "aaaa";	1664	my $nuke_counter = "aaaa";
1571		1665
1572	sub nuke {	1666	sub nuke {
1573	my ($self) = @_;	1667	my ($self) = @_;
1574		1668
		1669	delete $cf::MAP{$self->path};
		1670
		1671	$self->unlink_save;
		1672
		1673	bless $self, "cf::map";
		1674	delete $self->{deny_reset};
1575	$self->{deny_save} = 1;	1675	$self->{deny_save} = 1;
1576	$self->reset_timeout (1);	1676	$self->reset_timeout (1);
1577	$self->rename ("{nuke}/" . ($nuke_counter++));	1677	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1678
		1679	$cf::MAP{$self->path} = $self;
		1680
1578	$self->reset; # polite request, might not happen	1681	$self->reset; # polite request, might not happen
1579	}	1682	}
1580		1683
1581	=item cf::map::unique_maps	1684	=item cf::map::unique_maps
1582		1685
…		…
1594	for (@$files) {	1697	for (@$files) {
1595	utf8::decode $_;	1698	utf8::decode $_;
1596	next if /\.pst$/;	1699	next if /\.pst$/;
1597	next unless /^$PATH_SEP/o;	1700	next unless /^$PATH_SEP/o;
1598		1701
1599	s/\.map$//;	1702	push @paths, cf::map::normalise $_;
1600	push @paths, $_;
1601	}	1703	}
1602		1704
1603	\@paths	1705	\@paths
1604	}	1706	}
1605		1707
…		…
1699	=cut	1801	=cut
1700		1802
1701	sub link_map {	1803	sub link_map {
1702	unless ($LINK_MAP) {	1804	unless ($LINK_MAP) {
1703	$LINK_MAP = cf::map::find "{link}"	1805	$LINK_MAP = cf::map::find "{link}"
1704	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	1806	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1705	$LINK_MAP->load;	1807	$LINK_MAP->load;
1706	}	1808	}
1707		1809
1708	$LINK_MAP	1810	$LINK_MAP
1709	}	1811	}
…		…
1716	return if UNIVERSAL::isa $self->map, "ext::map_link";	1818	return if UNIVERSAL::isa $self->map, "ext::map_link";
1717		1819
1718	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1820	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1719	if $self->map;	1821	if $self->map;
1720		1822
1721	$self->enter_map ($LINK_MAP || link_map, 20, 20);	1823	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1722	}	1824	}
1723		1825
1724	sub cf::object::player::leave_link {	1826	sub cf::object::player::leave_link {
1725	my ($self, $map, $x, $y) = @_;	1827	my ($self, $map, $x, $y) = @_;
1726		1828
…		…
1748	$map->load;	1850	$map->load;
1749	$map->load_diag;	1851	$map->load_diag;
1750		1852
1751	return unless $self->contr->active;	1853	return unless $self->contr->active;
1752	$self->activate_recursive;	1854	$self->activate_recursive;
		1855
		1856	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1753	$self->enter_map ($map, $x, $y);	1857	$self->enter_map ($map, $x, $y);
1754	}	1858	}
1755		1859
1756	cf::player->attach (	1860	cf::player->attach (
1757	on_logout => sub {	1861	on_logout => sub {
…		…
1770	# try to abort aborted map switching on player login :)	1874	# try to abort aborted map switching on player login :)
1771	# should happen only on crashes	1875	# should happen only on crashes
1772	if ($pl->ob->{_link_pos}) {	1876	if ($pl->ob->{_link_pos}) {
1773	$pl->ob->enter_link;	1877	$pl->ob->enter_link;
1774	(async {	1878	(async {
1775	# we need this sleep as the login has a concurrent enter_exit running
1776	# and this sleep increases chances of the player not ending up in scorn
1777	$pl->ob->reply (undef,	1879	$pl->ob->reply (undef,
1778	"There was an internal problem at your last logout, "	1880	"There was an internal problem at your last logout, "
1779	. "the server will try to bring you to your intended destination in a second.",	1881	. "the server will try to bring you to your intended destination in a second.",
1780	cf::NDI_RED);	1882	cf::NDI_RED);
		1883	# we need this sleep as the login has a concurrent enter_exit running
		1884	# and this sleep increases chances of the player not ending up in scorn
1781	Coro::Timer::sleep 1;	1885	Coro::Timer::sleep 1;
1782	$pl->ob->leave_link;	1886	$pl->ob->leave_link;
1783	})->prio (2);	1887	})->prio (2);
1784	}	1888	}
1785	},	1889	},
…		…
1793	my ($self, $path, $x, $y) = @_;	1897	my ($self, $path, $x, $y) = @_;
1794		1898
1795	$self->enter_link;	1899	$self->enter_link;
1796		1900
1797	(async {	1901	(async {
		1902	my $map = eval {
1798	my $map = cf::map::find $path;	1903	my $map = cf::map::find $path;
1799	$map = $map->customise_for ($self) if $map;	1904	$map = $map->customise_for ($self) if $map;
1800		1905	$map
1801	# warn "entering ", $map->path, " at ($x, $y)\n"	1906	} or
1802	# if $map;
1803
1804	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1907	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1805		1908
1806	$self->leave_link ($map, $x, $y);	1909	$self->leave_link ($map, $x, $y);
1807	})->prio (1);	1910	})->prio (1);
1808	}	1911	}
1809		1912
…		…
1813		1916
1814	sub parse_random_map_params {	1917	sub parse_random_map_params {
1815	my ($spec) = @_;	1918	my ($spec) = @_;
1816		1919
1817	my $rmp = { # defaults	1920	my $rmp = { # defaults
1818	xsize => 10,	1921	xsize => (cf::rndm 15, 40),
1819	ysize => 10,	1922	ysize => (cf::rndm 15, 40),
		1923	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1924	#layout => string,
1820	};	1925	};
1821		1926
1822	for (split /\n/, $spec) {	1927	for (split /\n/, $spec) {
1823	my ($k, $v) = split /\s+/, $_, 2;	1928	my ($k, $v) = split /\s+/, $_, 2;
1824		1929
…		…
1828	$rmp	1933	$rmp
1829	}	1934	}
1830		1935
1831	sub prepare_random_map {	1936	sub prepare_random_map {
1832	my ($exit) = @_;	1937	my ($exit) = @_;
		1938
		1939	my $guard = cf::lock_acquire "exit_prepare:$exit";
1833		1940
1834	# all this does is basically replace the /! path by	1941	# all this does is basically replace the /! path by
1835	# a new random map path (?random/...) with a seed	1942	# a new random map path (?random/...) with a seed
1836	# that depends on the exit object	1943	# that depends on the exit object
1837		1944
1838	my $rmp = parse_random_map_params $exit->msg;	1945	my $rmp = parse_random_map_params $exit->msg;
1839		1946
1840	if ($exit->map) {	1947	if ($exit->map) {
1841	$rmp->{region} = $exit->map->region_name;	1948	$rmp->{region} = $exit->region->name;
1842	$rmp->{origin_map} = $exit->map->path;	1949	$rmp->{origin_map} = $exit->map->path;
1843	$rmp->{origin_x} = $exit->x;	1950	$rmp->{origin_x} = $exit->x;
1844	$rmp->{origin_y} = $exit->y;	1951	$rmp->{origin_y} = $exit->y;
1845	}	1952	}
1846		1953
1847	$rmp->{random_seed} ||= $exit->random_seed;	1954	$rmp->{random_seed} ||= $exit->random_seed;
1848		1955
1849	my $data = cf::to_json $rmp;	1956	my $data = cf::to_json $rmp;
1850	my $md5 = Digest::MD5::md5_hex $data;	1957	my $md5 = Digest::MD5::md5_hex $data;
		1958	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1851		1959
1852	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1960	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1853	aio_write $fh, 0, (length $data), $data, 0;	1961	aio_write $fh, 0, (length $data), $data, 0;
		1962	undef $fh;
		1963	aio_rename "$meta~", $meta;
1854		1964
1855	$exit->slaying ("?random/$md5");	1965	$exit->slaying ("?random/$md5");
1856	$exit->msg (undef);	1966	$exit->msg (undef);
1857	}	1967	}
1858	}	1968	}
1859		1969
1860	sub cf::object::player::enter_exit {	1970	sub cf::object::player::enter_exit {
1861	my ($self, $exit) = @_;	1971	my ($self, $exit) = @_;
1862		1972
1863	return unless $self->type == cf::PLAYER;	1973	return unless $self->type == cf::PLAYER;
		1974
		1975	if ($exit->slaying eq "/!") {
		1976	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1977	# the problem is that $exit might not survive long enough
		1978	# so it needs to be done right now, right here
		1979	cf::sync_job { prepare_random_map $exit };
		1980	}
		1981
		1982	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1983	my $hp = $exit->stats->hp;
		1984	my $sp = $exit->stats->sp;
1864		1985
1865	$self->enter_link;	1986	$self->enter_link;
1866		1987
1867	(async {	1988	(async {
1868	$self->deactivate_recursive; # just to be sure	1989	$self->deactivate_recursive; # just to be sure
1869	unless (eval {	1990	unless (eval {
1870	prepare_random_map $exit	1991	$self->goto ($slaying, $hp, $sp);
1871	if $exit->slaying eq "/!";
1872
1873	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1874	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1875		1992
1876	1;	1993	1;
1877	}) {	1994	}) {
1878	$self->message ("Something went wrong deep within the crossfire server. "	1995	$self->message ("Something went wrong deep within the crossfire server. "
1879	. "I'll try to bring you back to the map you were before. "	1996	. "I'll try to bring you back to the map you were before. "
1880	. "Please report this to the dungeon master!",	1997	. "Please report this to the dungeon master!",
1881	cf::NDI_UNIQUE | cf::NDI_RED);	1998	cf::NDI_UNIQUE | cf::NDI_RED);
1882		1999
1883	warn "ERROR in enter_exit: $@";	2000	warn "ERROR in enter_exit: $@";
1884	$self->leave_link;	2001	$self->leave_link;
1885	}	2002	}
1886	})->prio (1);	2003	})->prio (1);
…		…
1899		2016
1900	sub cf::client::send_drawinfo {	2017	sub cf::client::send_drawinfo {
1901	my ($self, $text, $flags) = @_;	2018	my ($self, $text, $flags) = @_;
1902		2019
1903	utf8::encode $text;	2020	utf8::encode $text;
1904	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2021	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1905	}	2022	}
1906		2023
		2024	=item $client->ext_event ($type, %msg)
		2025
		2026	Sends an exti event to the client.
		2027
		2028	=cut
		2029
		2030	sub cf::client::ext_event($$%) {
		2031	my ($self, $type, %msg) = @_;
		2032
		2033	$msg{msgtype} = "event_$type";
		2034	$self->send_packet ("ext " . cf::to_json \%msg);
		2035	}
1907		2036
1908	=item $success = $client->query ($flags, "text", \&cb)	2037	=item $success = $client->query ($flags, "text", \&cb)
1909		2038
1910	Queues a query to the client, calling the given callback with	2039	Queues a query to the client, calling the given callback with
1911	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2040	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1940	# get handled first	2069	# get handled first
1941	my $queue = delete $ns->{query_queue}	2070	my $queue = delete $ns->{query_queue}
1942	or return; # be conservative, not sure how that can happen, but we saw a crash here	2071	or return; # be conservative, not sure how that can happen, but we saw a crash here
1943		2072
1944	(shift @$queue)->[1]->($msg);	2073	(shift @$queue)->[1]->($msg);
		2074	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1945		2075
1946	push @{ $ns->{query_queue} }, @$queue;	2076	push @{ $ns->{query_queue} }, @$queue;
1947		2077
1948	if (@{ $ns->{query_queue} } == @$queue) {	2078	if (@{ $ns->{query_queue} } == @$queue) {
1949	if (@$queue) {	2079	if (@$queue) {
…		…
2007		2137
2008	# here we export the classes and methods available to script code	2138	# here we export the classes and methods available to script code
2009		2139
2010	=pod	2140	=pod
2011		2141
2012	The following fucntions and emthods are available within a safe environment:	2142	The following functions and methods are available within a safe environment:
2013		2143
2014	cf::object contr pay_amount pay_player map	2144	cf::object contr pay_amount pay_player map
2015	cf::object::player player	2145	cf::object::player player
2016	cf::player peaceful	2146	cf::player peaceful
2017	cf::map trigger	2147	cf::map trigger
…		…
2110	The parameter C<$family> should best start with the name of the extension	2240	The parameter C<$family> should best start with the name of the extension
2111	using it, it should be unique.	2241	using it, it should be unique.
2112		2242
2113	=over 4	2243	=over 4
2114		2244
2115	=item $hashref = cf::db_get $family
2116
2117	Return a hashref for use by the extension C<$family>, which can be
2118	modified. After modifications, you have to call C<cf::db_dirty> or
2119	C<cf::db_sync>.
2120
2121	=item $value = cf::db_get $family => $key	2245	=item $value = cf::db_get $family => $key
2122		2246
2123	Returns a single value from the database	2247	Returns a single value from the database.
2124
2125	=item cf::db_put $family => $hashref
2126
2127	Stores the given family hashref into the database. Updates are delayed, if
2128	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2129		2248
2130	=item cf::db_put $family => $key => $value	2249	=item cf::db_put $family => $key => $value
2131		2250
2132	Stores the given C<$value> in the family hash. Updates are delayed, if you	2251	Stores the given C<$value> in the family.
2133	want the data to be synced to disk immediately, use C<cf::db_sync>.
2134
2135	=item cf::db_dirty
2136
2137	Marks the database as dirty, to be updated at a later time.
2138
2139	=item cf::db_sync
2140
2141	Immediately write the database to disk I<if it is dirty>.
2142		2252
2143	=cut	2253	=cut
2144		2254
2145	our $DB;	2255	our $DB;
2146		2256
2147	{	2257	sub db_init {
		2258	unless ($DB) {
		2259	$DB = BDB::db_create $DB_ENV;
		2260
		2261	cf::sync_job {
		2262	eval {
		2263	$DB->set_flags (BDB::CHKSUM);
		2264
		2265	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2266	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2267	cf::cleanup "db_open(db): $!" if $!;
		2268	};
		2269	cf::cleanup "db_open(db): $@" if $@;
		2270	};
		2271
2148	my $path = cf::localdir . "/database.pst";	2272	my $path = cf::localdir . "/database.pst";
		2273	if (stat $path) {
		2274	cf::sync_job {
		2275	my $pst = Storable::retrieve $path;
2149		2276
2150	sub db_load() {	2277	cf::db_put (board => data => $pst->{board});
2151	$DB = stat $path ? Storable::retrieve $path : { };	2278	cf::db_put (guildrules => data => $pst->{guildrules});
2152	}	2279	cf::db_put (rent => balance => $pst->{rent}{balance});
		2280	BDB::db_env_txn_checkpoint $DB_ENV;
2153		2281
2154	my $pid;	2282	unlink $path;
2155
2156	sub db_save() {
2157	waitpid $pid, 0 if $pid;
2158	if (0 == ($pid = fork)) {
2159	$DB->{_meta}{version} = 1;
2160	Storable::nstore $DB, "$path~";
2161	rename "$path~", $path;
2162	cf::_exit 0 if defined $pid;
2163	}	2283	};
2164	}
2165
2166	my $dirty;
2167
2168	sub db_sync() {
2169	db_save if $dirty;
2170	undef $dirty;
2171	}
2172
2173	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2174	db_sync;
2175	});
2176
2177	sub db_dirty() {
2178	$dirty = 1;
2179	$idle->start;
2180	}
2181
2182	sub db_get($;$) {
2183	@_ >= 2
2184	? $DB->{$_[0]}{$_[1]}
2185	: ($DB->{$_[0]} ||= { })
2186	}
2187
2188	sub db_put($$;$) {
2189	if (@_ >= 3) {
2190	$DB->{$_[0]}{$_[1]} = $_[2];
2191	} else {
2192	$DB->{$_[0]} = $_[1];
2193	}
2194	db_dirty;
2195	}
2196
2197	cf::global->attach (
2198	prio => 10000,
2199	on_cleanup => sub {
2200	db_sync;
2201	},	2284	}
2202	);	2285	}
		2286	}
		2287
		2288	sub db_get($$) {
		2289	my $key = "$_[0]/$_[1]";
		2290
		2291	cf::sync_job {
		2292	BDB::db_get $DB, undef, $key, my $data;
		2293
		2294	$! ? ()
		2295	: Compress::LZF::sthaw $data
		2296	}
		2297	}
		2298
		2299	sub db_put($$$) {
		2300	BDB::dbreq_pri 4;
		2301	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2203	}	2302	}
2204		2303
2205	#############################################################################	2304	#############################################################################
2206	# the server's main()	2305	# the server's init and main functions
		2306
		2307	sub load_facedata {
		2308	my $path = sprintf "%s/facedata", cf::datadir;
		2309
		2310	warn "loading facedata from $path\n";
		2311
		2312	my $facedata;
		2313	0 < aio_load $path, $facedata
		2314	or die "$path: $!";
		2315
		2316	Coro::cede;
		2317	$facedata = Storable::thaw $facedata;
		2318	Coro::cede;
		2319
		2320	$facedata->{version} == 2
		2321	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2322
		2323	{
		2324	my $faces = $facedata->{faceinfo};
		2325
		2326	while (my ($face, $info) = each %$faces) {
		2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2331	Coro::cede;
		2332	}
		2333
		2334	while (my ($face, $info) = each %$faces) {
		2335	next unless $info->{smooth};
		2336	my $idx = cf::face::find $face
		2337	or next;
		2338	if (my $smooth = cf::face::find $info->{smooth}) {
		2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2340	} else {
		2341	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2342	}
		2343	Coro::cede;
		2344	}
		2345	}
		2346
		2347	{
		2348	my $anims = $facedata->{animinfo};
		2349
		2350	while (my ($anim, $info) = each %$anims) {
		2351	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2352	Coro::cede;
		2353	}
		2354
		2355	cf::anim::invalidate_all; # d'oh
		2356	}
		2357
		2358	1
		2359	}
		2360
		2361	sub reload_resources {
		2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2363	or die "unable to load regions file\n";#d#
		2364	load_facedata
		2365	or die "unable to load facedata\n";#d#
		2366	}
		2367
		2368	sub init {
		2369	reload_resources;
		2370	}
2207		2371
2208	sub cfg_load {	2372	sub cfg_load {
2209	open my $fh, "<:utf8", cf::confdir . "/config"	2373	open my $fh, "<:utf8", cf::confdir . "/config"
2210	or return;	2374	or return;
2211		2375
…		…
2228		2392
2229	sub main {	2393	sub main {
2230	# we must not ever block the main coroutine	2394	# we must not ever block the main coroutine
2231	local $Coro::idle = sub {	2395	local $Coro::idle = sub {
2232	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2396	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2397	(async {
2233	async { Event::one_event };	2398	Event::one_event;
		2399	})->prio (Coro::PRIO_MAX);
2234	};	2400	};
2235		2401
2236	cfg_load;	2402	cfg_load;
2237	db_load;	2403	db_init;
2238	load_extensions;	2404	load_extensions;
		2405
		2406	$TICK_WATCHER->start;
2239	Event::loop;	2407	Event::loop;
2240	}	2408	}
2241		2409
2242	#############################################################################	2410	#############################################################################
2243	# initialisation and cleanup	2411	# initialisation and cleanup
2244		2412
2245	# install some emergency cleanup handlers	2413	# install some emergency cleanup handlers
2246	BEGIN {	2414	BEGIN {
2247	for my $signal (qw(INT HUP TERM)) {	2415	for my $signal (qw(INT HUP TERM)) {
2248	Event->signal (	2416	Event->signal (
		2417	reentrant => 0,
2249	data => WF_AUTOCANCEL,	2418	data => WF_AUTOCANCEL,
2250	signal => $signal,	2419	signal => $signal,
		2420	prio => 0,
2251	cb => sub {	2421	cb => sub {
2252	cf::cleanup "SIG$signal";	2422	cf::cleanup "SIG$signal";
2253	},	2423	},
2254	);	2424	);
2255	}	2425	}
2256	}	2426	}
…		…
2277	my $map = $cf::MAP{$path} or next;	2447	my $map = $cf::MAP{$path} or next;
2278	$map->valid or next;	2448	$map->valid or next;
2279	$map->save;	2449	$map->save;
2280	}	2450	}
2281	warn "end emergency map save\n";	2451	warn "end emergency map save\n";
		2452
		2453	warn "begin emergency database checkpoint\n";
		2454	BDB::db_env_txn_checkpoint $DB_ENV;
		2455	warn "end emergency database checkpoint\n";
2282	};	2456	};
2283		2457
2284	warn "leave emergency perl save\n";	2458	warn "leave emergency perl save\n";
		2459	}
		2460
		2461	sub post_cleanup {
		2462	my ($make_core) = @_;
		2463
		2464	warn Carp::longmess "post_cleanup backtrace"
		2465	if $make_core;
2285	}	2466	}
2286		2467
2287	sub reload() {	2468	sub reload() {
2288	# can/must only be called in main	2469	# can/must only be called in main
2289	if ($Coro::current != $Coro::main) {	2470	if ($Coro::current != $Coro::main) {
2290	warn "can only reload from main coroutine\n";	2471	warn "can only reload from main coroutine";
2291	return;	2472	return;
2292	}	2473	}
2293		2474
2294	warn "reloading...";	2475	warn "reloading...";
2295		2476
2296	warn "freezing server";	2477	warn "entering sync_job";
2297	my $guard = freeze_mainloop;	2478
		2479	cf::sync_job {
		2480	cf::write_runtime; # external watchdog should not bark
2298	cf::emergency_save;	2481	cf::emergency_save;
		2482	cf::write_runtime; # external watchdog should not bark
2299		2483
2300	warn "sync database to disk";	2484	warn "syncing database to disk";
2301	cf::db_sync;	2485	BDB::db_env_txn_checkpoint $DB_ENV;
2302	IO::AIO::flush;
2303		2486
2304	eval {
2305	# if anything goes wrong in here, we should simply crash as we already saved	2487	# if anything goes wrong in here, we should simply crash as we already saved
2306		2488
2307	warn "cancel all watchers";	2489	warn "cancelling all WF_AUTOCANCEL watchers";
2308	for (Event::all_watchers) {	2490	for (Event::all_watchers) {
2309	$_->cancel if $_->data & WF_AUTOCANCEL;	2491	$_->cancel if $_->data & WF_AUTOCANCEL;
2310	}	2492	}
2311		2493
		2494	warn "flushing outstanding aio requests";
		2495	for (;;) {
		2496	BDB::flush;
		2497	IO::AIO::flush;
		2498	Coro::cede;
		2499	last unless IO::AIO::nreqs || BDB::nreqs;
		2500	warn "iterate...";
		2501	}
		2502
		2503	++$RELOAD;
		2504
2312	warn "cancel all extension coros";	2505	warn "cancelling all extension coros";
2313	$_->cancel for values %EXT_CORO;	2506	$_->cancel for values %EXT_CORO;
2314	%EXT_CORO = ();	2507	%EXT_CORO = ();
2315		2508
2316	warn "remove commands";	2509	warn "removing commands";
2317	%COMMAND = ();	2510	%COMMAND = ();
2318		2511
2319	warn "remove ext commands";	2512	warn "removing ext commands";
2320	%EXTCMD = ();	2513	%EXTCMD = ();
2321		2514
2322	warn "unload/nuke all extensions";	2515	warn "unloading/nuking all extensions";
2323	for my $pkg (@EXTS) {	2516	for my $pkg (@EXTS) {
2324	warn "... unloading $pkg";	2517	warn "... unloading $pkg";
2325		2518
2326	if (my $cb = $pkg->can ("unload")) {	2519	if (my $cb = $pkg->can ("unload")) {
2327	eval {	2520	eval {
…		…
2332		2525
2333	warn "... nuking $pkg";	2526	warn "... nuking $pkg";
2334	Symbol::delete_package $pkg;	2527	Symbol::delete_package $pkg;
2335	}	2528	}
2336		2529
2337	warn "unload all perl modules loaded from $LIBDIR";	2530	warn "unloading all perl modules loaded from $LIBDIR";
2338	while (my ($k, $v) = each %INC) {	2531	while (my ($k, $v) = each %INC) {
2339	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2532	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2340		2533
2341	warn "removing <$k>";	2534	warn "... unloading $k";
2342	delete $INC{$k};	2535	delete $INC{$k};
2343		2536
2344	$k =~ s/\.pm$//;	2537	$k =~ s/\.pm$//;
2345	$k =~ s/\//::/g;	2538	$k =~ s/\//::/g;
2346		2539
…		…
2349	}	2542	}
2350		2543
2351	Symbol::delete_package $k;	2544	Symbol::delete_package $k;
2352	}	2545	}
2353		2546
2354	warn "get rid of safe::, as good as possible";	2547	warn "getting rid of safe::, as good as possible";
2355	Symbol::delete_package "safe::$_"	2548	Symbol::delete_package "safe::$_"
2356	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2549	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2357		2550
2358	warn "unload cf.pm \"a bit\"";	2551	warn "unloading cf.pm \"a bit\"";
2359	delete $INC{"cf.pm"};	2552	delete $INC{"cf.pm"};
2360		2553
2361	# don't, removes xs symbols, too,	2554	# don't, removes xs symbols, too,
2362	# and global variables created in xs	2555	# and global variables created in xs
2363	#Symbol::delete_package __PACKAGE__;	2556	#Symbol::delete_package __PACKAGE__;
2364		2557
		2558	warn "unload completed, starting to reload now";
		2559
2365	warn "reloading cf.pm";	2560	warn "reloading cf.pm";
2366	require cf;	2561	require cf;
2367	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2368		2563
2369	warn "load config and database again";	2564	warn "loading config and database again";
2370	cf::cfg_load;	2565	cf::cfg_load;
2371	cf::db_load;
2372		2566
2373	warn "load extensions";	2567	warn "loading extensions";
2374	cf::load_extensions;	2568	cf::load_extensions;
2375		2569
2376	warn "reattach attachments to objects/players";	2570	warn "reattaching attachments to objects/players";
2377	_global_reattach;	2571	_global_reattach; # objects, sockets
2378	warn "reattach attachments to maps";	2572	warn "reattaching attachments to maps";
2379	reattach $_ for values %MAP;	2573	reattach $_ for values %MAP;
2380	};	2574	warn "reattaching attachments to players";
		2575	reattach $_ for values %PLAYER;
2381		2576
2382	if ($@) {	2577	warn "loading reloadable resources";
		2578	reload_resources;
		2579
		2580	warn "leaving sync_job";
		2581
		2582	1
		2583	} or do {
2383	warn $@;	2584	warn $@;
2384	warn "error while reloading, exiting.";	2585	warn "error while reloading, exiting.";
2385	exit 1;	2586	exit 1;
2386	}	2587	};
2387		2588
2388	warn "reloaded";	2589	warn "reloaded";
2389	};	2590	};
2390		2591
		2592	our $RELOAD_WATCHER; # used only during reload
		2593
2391	register_command "reload" => sub {	2594	register_command "reload" => sub {
2392	my ($who, $arg) = @_;	2595	my ($who, $arg) = @_;
2393		2596
2394	if ($who->flag (FLAG_WIZ)) {	2597	if ($who->flag (FLAG_WIZ)) {
2395	$who->message ("start of reload.");	2598	$who->message ("reloading server.");
		2599
		2600	# doing reload synchronously and two reloads happen back-to-back,
		2601	# coro crashes during coro_state_free->destroy here.
		2602
		2603	$RELOAD_WATCHER ||= Event->timer (
		2604	reentrant => 0,
		2605	after => 0,
		2606	data => WF_AUTOCANCEL,
		2607	cb => sub {
2396	reload;	2608	reload;
2397	$who->message ("end of reload.");	2609	undef $RELOAD_WATCHER;
		2610	},
		2611	);
2398	}	2612	}
2399	};	2613	};
2400		2614
2401	unshift @INC, $LIBDIR;	2615	unshift @INC, $LIBDIR;
		2616
		2617	my $bug_warning = 0;
2402		2618
2403	$TICK_WATCHER = Event->timer (	2619	$TICK_WATCHER = Event->timer (
2404	reentrant => 0,	2620	reentrant => 0,
		2621	parked => 1,
2405	prio => 0,	2622	prio => 0,
2406	at => $NEXT_TICK || $TICK,	2623	at => $NEXT_TICK || $TICK,
2407	data => WF_AUTOCANCEL,	2624	data => WF_AUTOCANCEL,
2408	cb => sub {	2625	cb => sub {
		2626	if ($Coro::current != $Coro::main) {
		2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2628	unless ++$bug_warning > 10;
		2629	return;
		2630	}
		2631
2409	$NOW = Event::time;	2632	$NOW = Event::time;
2410		2633
2411	cf::server_tick; # one server iteration	2634	cf::server_tick; # one server iteration
2412	$RUNTIME += $TICK;	2635	$RUNTIME += $TICK;
2413	$NEXT_TICK += $TICK;	2636	$NEXT_TICK += $TICK;
2414		2637
		2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2639	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2640	Coro::async_pool {
		2641	write_runtime
		2642	or warn "ERROR: unable to write runtime file: $!";
		2643	};
		2644	}
		2645
2415	$WAIT_FOR_TICK->broadcast;	2646	$WAIT_FOR_TICK->broadcast;
2416	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2648
		2649	# my $AFTER = Event::time;
		2650	# warn $AFTER - $NOW;#d#
2417		2651
2418	# if we are delayed by four ticks or more, skip them all	2652	# if we are delayed by four ticks or more, skip them all
2419	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2420		2654
2421	$TICK_WATCHER->at ($NEXT_TICK);	2655	$TICK_WATCHER->at ($NEXT_TICK);
2422	$TICK_WATCHER->start;	2656	$TICK_WATCHER->start;
2423	},	2657	},
2424	);	2658	);
2425		2659
		2660	{
		2661	BDB::max_poll_time $TICK * 0.1;
		2662	$BDB_POLL_WATCHER = Event->io (
		2663	reentrant => 0,
		2664	fd => BDB::poll_fileno,
		2665	poll => 'r',
		2666	prio => 0,
		2667	data => WF_AUTOCANCEL,
		2668	cb => \&BDB::poll_cb,
		2669	);
		2670	BDB::min_parallel 8;
		2671
		2672	BDB::set_sync_prepare {
		2673	my $status;
		2674	my $current = $Coro::current;
		2675	(
		2676	sub {
		2677	$status = $!;
		2678	$current->ready; undef $current;
		2679	},
		2680	sub {
		2681	Coro::schedule while defined $current;
		2682	$! = $status;
		2683	},
		2684	)
		2685	};
		2686
		2687	unless ($DB_ENV) {
		2688	$DB_ENV = BDB::db_env_create;
		2689
		2690	cf::sync_job {
		2691	eval {
		2692	BDB::db_env_open
		2693	$DB_ENV,
		2694	$BDB_ENV_DIR,
		2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2697	0666;
		2698
		2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2700
		2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2702	$DB_ENV->set_lk_detect;
		2703	};
		2704
		2705	cf::cleanup "db_env_open(db): $@" if $@;
		2706	};
		2707	}
		2708	}
		2709
		2710	{
		2711	IO::AIO::min_parallel 8;
		2712
		2713	undef $Coro::AIO::WATCHER;
2426	IO::AIO::max_poll_time $TICK * 0.2;	2714	IO::AIO::max_poll_time $TICK * 0.1;
2427
2428	$AIO_POLL_WATCHER = Event->io (	2715	$AIO_POLL_WATCHER = Event->io (
2429	fd => IO::AIO::poll_fileno,	2716	reentrant => 0,
2430	poll => 'r',
2431	prio => 5,
2432	data => WF_AUTOCANCEL,
2433	cb => \&IO::AIO::poll_cb,
2434	);
2435
2436	$WRITE_RUNTIME_WATCHER = Event->timer (
2437	data => WF_AUTOCANCEL,	2717	data => WF_AUTOCANCEL,
2438	after => 0,	2718	fd => IO::AIO::poll_fileno,
2439	interval => 10,	2719	poll => 'r',
2440	cb => sub {	2720	prio => 6,
2441	(Coro::unblock_sub {	2721	cb => \&IO::AIO::poll_cb,
2442	write_runtime	2722	);
2443	or warn "ERROR: unable to write runtime file: $!";	2723	}
2444	})->();
2445	},
2446	);
2447		2724
2448	END { cf::emergency_save }	2725	END { cf::emergency_save }
2449		2726
2450	1	2727	1
2451		2728

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