ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.187 by root, Sat Jan 20 21:06:52 2007 UTC vs.
Revision 1.250 by root, Wed Apr 18 14:24:10 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.4 ();	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";	59	our $LIBDIR = datadir . "/ext";
46		60
47	our $TICK = MAX_TIME * 1e-6;	61	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	62	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	63	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	64	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	65	our $NEXT_TICK;
52	our $NOW;	66	our $NOW;
		67	our $USE_FSYNC = 1; # use fsync to write maps - default off
		68
		69	our $BDB_POLL_WATCHER;
		70	our $DB_ENV;
53		71
54	our %CFG;	72	our %CFG;
55		73
56	our $UPTIME; $UPTIME ||= time;	74	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	75	our $RUNTIME;
58		76
59	our %PLAYER; # all users	77	our %PLAYER; # all users
60	our %MAP; # all maps	78	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	79	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";	80	our $RANDOM_MAPS = cf::localdir . "/random";
63		81	our $BDB_ENV_DIR = cf::localdir . "/db";
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		82
67	# used to convert map paths into valid unix filenames by replacing / by ∕	83	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		85
70	binmode STDOUT;	86	binmode STDOUT;
…		…
80	mkdir cf::localdir;	96	mkdir cf::localdir;
81	mkdir cf::localdir . "/" . cf::playerdir;	97	mkdir cf::localdir . "/" . cf::playerdir;
82	mkdir cf::localdir . "/" . cf::tmpdir;	98	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;	99	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;	100	mkdir $RANDOM_MAPS;
		101	mkdir $BDB_ENV_DIR;
85		102
86	our $EMERGENCY_POSITION;	103	our $EMERGENCY_POSITION;
		104
		105	sub cf::map::normalise;
87		106
88	#############################################################################	107	#############################################################################
89		108
90	=head2 GLOBAL VARIABLES	109	=head2 GLOBAL VARIABLES
91		110
…		…
116	=item %cf::CFG	135	=item %cf::CFG
117		136
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	137	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	138	from wherever your confdir points to.
120		139
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	140	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		141
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	142	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	143	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	144	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.
127		145
128	=back	146	=back
129		147
130	=cut	148	=cut
131		149
132	BEGIN {	150	BEGIN {
133	*CORE::GLOBAL::warn = sub {	151	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	152	my $msg = join "", @_;
135	utf8::encode $msg;
136		153
137	$msg .= "\n"	154	$msg .= "\n"
138	unless $msg =~ /\n$/;	155	unless $msg =~ /\n$/;
139		156
		157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		158
		159	utf8::encode $msg;
140	LOG llevError, $msg;	160	LOG llevError, $msg;
141	};	161	};
142	}	162	}
143		163
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	164	@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;	210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	211	$d
192	} || "[unable to dump $_[0]: '$@']";	212	} || "[unable to dump $_[0]: '$@']";
193	}	213	}
194		214
195	use JSON::Syck (); # TODO# replace by JSON::PC once working	215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
196		216
197	=item $ref = cf::from_json $json	217	=item $ref = cf::from_json $json
198		218
199	Converts a JSON string into the corresponding perl data structure.	219	Converts a JSON string into the corresponding perl data structure.
200		220
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	221	=item $json = cf::to_json $ref
209		222
210	Converts a perl data structure into its JSON representation.	223	Converts a perl data structure into its JSON representation.
211
212	=cut
213
214	sub to_json($) {
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
216	JSON::Syck::Dump $_[0]
217	}
218		224
219	=item cf::lock_wait $string	225	=item cf::lock_wait $string
220		226
221	Wait until the given lock is available. See cf::lock_acquire.	227	Wait until the given lock is available. See cf::lock_acquire.
222		228
…		…
261	sub freeze_mainloop {	267	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	268	return unless $TICK_WATCHER->is_active;
263		269
264	my $guard = Coro::guard {	270	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	271	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	272	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	273	$TICK_WATCHER->stop;
270	$guard	274	$guard
271	}	275	}
272		276
273	=item cf::async { BLOCK }	277	=item cf::async { BLOCK }
…		…
344		348
345	$coro	349	$coro
346	}	350	}
347		351
348	sub write_runtime {	352	sub write_runtime {
		353	my $guard = cf::lock_acquire "write_runtime";
		354
349	my $runtime = cf::localdir . "/runtime";	355	my $runtime = cf::localdir . "/runtime";
350		356
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
352	or return;	358	or return;
353		359
…		…
356	# 60 allows for the watchdog to kill the server.	362	# 60 allows for the watchdog to kill the server.
357		363
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	364	(aio_write $fh, 0, (length $value), $value, 0) <= 0
359	and return;	365	and return;
360		366
		367	# always fsync - this file is important
361	aio_fsync $fh	368	aio_fsync $fh
362	and return;	369	and return;
363		370
364	close $fh	371	close $fh
365	or return;	372	or return;
366		373
367	aio_rename "$runtime~", $runtime	374	aio_rename "$runtime~", $runtime
368	and return;	375	and return;
369		376
370	1	377	1
		378	}
		379
		380	=item cf::datalog type => key => value, ...
		381
		382	Log a datalog packet of the given type with the given key-value pairs.
		383
		384	=cut
		385
		386	sub datalog($@) {
		387	my ($type, %kv) = @_;
		388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371	}	389	}
372		390
373	=back	391	=back
374		392
375	=cut	393	=cut
…		…
750	$filename, length $$rdata, scalar @$objs;	768	$filename, length $$rdata, scalar @$objs;
751		769
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	774	close $fh;
757		775
758	if (@$objs) {	776	if (@$objs) {
759	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760	chmod SAVE_MODE, $fh;	778	chmod SAVE_MODE, $fh;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	779	my $data = Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	780	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	781	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	782	close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	783	aio_rename "$filename.pst~", "$filename.pst";
766	}	784	}
767	} else {	785	} else {
768	aio_unlink "$filename.pst";	786	aio_unlink "$filename.pst";
…		…
947	}	965	}
948		966
949	sub path($) {	967	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		969
952	(playerdir $login) . "/$login.pl"	970	(playerdir $login) . "/playerdata"
953	}	971	}
954		972
955	sub find_active($) {	973	sub find_active($) {
956	$cf::PLAYER{$_[0]}	974	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	975	and $cf::PLAYER{$_[0]}->active
…		…
970	my $login = $_[0];	988	my $login = $_[0];
971		989
972	my $guard = cf::lock_acquire "user_find:$login";	990	my $guard = cf::lock_acquire "user_find:$login";
973		991
974	$cf::PLAYER{$_[0]} || do {	992	$cf::PLAYER{$_[0]} || do {
		993	# rename old playerfiles to new ones
		994	#TODO: remove when no longer required
		995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		997	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		998	aio_unlink +(playerdir $login) . "/$login.pl";
		999
975	my $pl = load_pl path $login	1000	my $pl = load_pl path $login
976	or return;	1001	or return;
977	$cf::PLAYER{$login} = $pl	1002	$cf::PLAYER{$login} = $pl
978	}	1003	}
979	}	1004	}
…		…
1016		1041
1017	=cut	1042	=cut
1018		1043
1019	sub quit_character {	1044	sub quit_character {
1020	my ($pl) = @_;	1045	my ($pl) = @_;
		1046
		1047	my $name = $pl->ob->name;
1021		1048
1022	$pl->{deny_save} = 1;	1049	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1050	$pl->password ("*"); # this should lock out the player until we nuked the dir
1024		1051
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1030	my $path = playerdir $pl;	1057	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1058	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1059	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1060	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1061	$pl->destroy;
		1062
		1063	my $prefix = qr<^~\Q$name\E/>;
		1064
		1065	# nuke player maps
		1066	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1067
1035	IO::AIO::aio_rmtree $temp;	1068	IO::AIO::aio_rmtree $temp;
		1069	}
		1070
		1071	=item $pl->kick
		1072
		1073	Kicks a player out of the game. This destroys the connection.
		1074
		1075	=cut
		1076
		1077	sub kick {
		1078	my ($pl, $kicker) = @_;
		1079
		1080	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1081	$pl->killer ("kicked");
		1082	$pl->ns->destroy;
1036	}	1083	}
1037		1084
1038	=item cf::player::list_logins	1085	=item cf::player::list_logins
1039		1086
1040	Returns am arrayref of all valid playernames in the system, can take a	1087	Returns am arrayref of all valid playernames in the system, can take a
…		…
1068	=cut	1115	=cut
1069		1116
1070	sub maps($) {	1117	sub maps($) {
1071	my ($pl) = @_;	1118	my ($pl) = @_;
1072		1119
		1120	$pl = ref $pl ? $pl->ob->name : $pl;
		1121
1073	my $files = aio_readdir playerdir $pl	1122	my $files = aio_readdir playerdir $pl
1074	or return;	1123	or return;
1075		1124
1076	my @paths;	1125	my @paths;
1077		1126
1078	for (@$files) {	1127	for (@$files) {
1079	utf8::decode $_;	1128	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1129	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1130	next unless /^$PATH_SEP/o;
1082		1131
1083	s/\.map$//;	1132	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1133	}
1086		1134
1087	\@paths	1135	\@paths
1088	}	1136	}
1089		1137
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1138	=item $player->ext_reply ($msgid, %msg)
1091		1139
1092	Sends an ext reply to the player.	1140	Sends an ext reply to the player.
1093		1141
1094	=cut	1142	=cut
1095		1143
1096	sub ext_reply($$$%) {	1144	sub ext_reply($$%) {
1097	my ($self, $id, %msg) = @_;	1145	my ($self, $id, %msg) = @_;
1098		1146
1099	$msg{msgid} = $id;	1147	$msg{msgid} = $id;
1100		1148
1101	$self->send ("ext " . cf::to_json \%msg);	1149	$self->send ("ext " . cf::to_json \%msg);
1102	}	1150	}
1103		1151
1104	package cf;	1152	=item $player->ext_event ($type, %msg)
		1153
		1154	Sends an ext event to the client.
		1155
		1156	=cut
		1157
		1158	sub ext_event($$%) {
		1159	my ($self, $type, %msg) = @_;
		1160
		1161	$self->ns->ext_event ($type, %msg);
		1162	}
		1163
		1164	=head3 cf::region
		1165
		1166	=over 4
		1167
		1168	=cut
		1169
		1170	package cf::region;
		1171
		1172	=item cf::region::find_by_path $path
		1173
		1174	Tries to decuce the probable region for a map knowing only its path.
		1175
		1176	=cut
		1177
		1178	sub find_by_path($) {
		1179	my ($path) = @_;
		1180
		1181	my ($match, $specificity);
		1182
		1183	for my $region (list) {
		1184	if ($region->match && $path =~ $region->match) {
		1185	($match, $specificity) = ($region, $region->specificity)
		1186	if $region->specificity > $specificity;
		1187	}
		1188	}
		1189
		1190	$match
		1191	}
1105		1192
1106	=back	1193	=back
1107
1108		1194
1109	=head3 cf::map	1195	=head3 cf::map
1110		1196
1111	=over 4	1197	=over 4
1112		1198
…		…
1176	}	1262	}
1177		1263
1178	sub normalise {	1264	sub normalise {
1179	my ($path, $base) = @_;	1265	my ($path, $base) = @_;
1180		1266
		1267	$path = "$path"; # make sure its a string
		1268
		1269	$path =~ s/\.map$//;
		1270
1181	# map plan:	1271	# map plan:
1182	#	1272	#
1183	# /! non-realised random map exit (special hack!)	1273	# /! non-realised random map exit (special hack!)
1184	# {... are special paths that are not being touched	1274	# {... are special paths that are not being touched
1185	# ?xxx/... are special absolute paths	1275	# ?xxx/... are special absolute paths
…		…
1221	$self->init; # pass $1 etc.	1311	$self->init; # pass $1 etc.
1222	return $self;	1312	return $self;
1223	}	1313	}
1224	}	1314	}
1225		1315
1226	Carp::carp "unable to resolve path '$path'.";	1316	Carp::carp "unable to resolve path '$path' (base '$base').";
1227	()	1317	()
1228	}	1318	}
1229		1319
1230	sub init {	1320	sub init {
1231	my ($self) = @_;	1321	my ($self) = @_;
…		…
1246		1336
1247	# the original (read-only) location	1337	# the original (read-only) location
1248	sub load_path {	1338	sub load_path {
1249	my ($self) = @_;	1339	my ($self) = @_;
1250		1340
1251	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
1252	}	1342	}
1253		1343
1254	# the temporary/swap location	1344	# the temporary/swap location
1255	sub save_path {	1345	sub save_path {
1256	my ($self) = @_;	1346	my ($self) = @_;
1257		1347
1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1259	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
1260	}	1350	}
1261		1351
1262	# the unique path, undef == no special unique path	1352	# the unique path, undef == no special unique path
1263	sub uniq_path {	1353	sub uniq_path {
1264	my ($self) = @_;	1354	my ($self) = @_;
…		…
1286		1376
1287	sub load_header_from($) {	1377	sub load_header_from($) {
1288	my ($self, $path) = @_;	1378	my ($self, $path) = @_;
1289		1379
1290	utf8::encode $path;	1380	utf8::encode $path;
1291	aio_open $path, O_RDONLY, 0	1381	#aio_open $path, O_RDONLY, 0
1292	or return;	1382	# or return;
1293		1383
1294	$self->_load_header ($path)	1384	$self->_load_header ($path)
1295	or return;	1385	or return;
1296		1386
1297	$self->{load_path} = $path;	1387	$self->{load_path} = $path;
1298		1388
1299	1	1389	1
1300	}	1390	}
1301		1391
1302	sub load_orig {	1392	sub load_header_orig {
1303	my ($self) = @_;	1393	my ($self) = @_;
1304		1394
1305	$self->load_header_from ($self->load_path)	1395	$self->load_header_from ($self->load_path)
1306	}	1396	}
1307		1397
1308	sub load_temp {	1398	sub load_header_temp {
1309	my ($self) = @_;	1399	my ($self) = @_;
1310		1400
1311	$self->load_header_from ($self->save_path)	1401	$self->load_header_from ($self->save_path)
		1402	}
		1403
		1404	sub prepare_temp {
		1405	my ($self) = @_;
		1406
		1407	$self->last_access ((delete $self->{last_access})
		1408	|| $cf::RUNTIME); #d#
		1409	# safety
		1410	$self->{instantiate_time} = $cf::RUNTIME
		1411	if $self->{instantiate_time} > $cf::RUNTIME;
		1412	}
		1413
		1414	sub prepare_orig {
		1415	my ($self) = @_;
		1416
		1417	$self->{load_original} = 1;
		1418	$self->{instantiate_time} = $cf::RUNTIME;
		1419	$self->last_access ($cf::RUNTIME);
		1420	$self->instantiate;
1312	}	1421	}
1313		1422
1314	sub load_header {	1423	sub load_header {
1315	my ($self) = @_;	1424	my ($self) = @_;
1316		1425
1317	if ($self->load_temp) {	1426	if ($self->load_header_temp) {
1318	$self->last_access ((delete $self->{last_access})	1427	$self->prepare_temp;
1319	|| $cf::RUNTIME); #d#
1320	# safety
1321	$self->{instantiate_time} = $cf::RUNTIME
1322	if $self->{instantiate_time} > $cf::RUNTIME;
1323	} else {	1428	} else {
1324	$self->load_orig	1429	$self->load_header_orig
1325	or return;	1430	or return;
1326		1431	$self->prepare_orig;
1327	$self->{load_original} = 1;
1328	$self->{instantiate_time} = $cf::RUNTIME;
1329	$self->last_access ($cf::RUNTIME);
1330	$self->instantiate;
1331	}	1432	}
		1433
		1434	$self->default_region (cf::region::find_by_path $self->{path})
		1435	unless $self->default_region;
1332		1436
1333	1	1437	1
1334	}	1438	}
1335		1439
1336	sub find;	1440	sub find;
…		…
1349	$map->{last_save} = $cf::RUNTIME;	1453	$map->{last_save} = $cf::RUNTIME;
1350		1454
1351	$map->load_header	1455	$map->load_header
1352	or return;	1456	or return;
1353		1457
1354	if ($map->should_reset) {	1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
1355	# doing this can freeze the server in a sync job, obviously	1459	# doing this can freeze the server in a sync job, obviously
1356	#$cf::WAIT_FOR_TICK->wait;	1460	#$cf::WAIT_FOR_TICK->wait;
1357	$map->reset;	1461	$map->reset;
1358	undef $guard;	1462	undef $guard;
1359	$map = find $path	1463	return find $path;
1360	or return;
1361	}	1464	}
1362		1465
1363	$cf::MAP{$path} = $map	1466	$cf::MAP{$path} = $map
1364	}	1467	}
1365	}	1468	}
		1469
		1470	sub pre_load { }
		1471	sub post_load { }
1366		1472
1367	sub load {	1473	sub load {
1368	my ($self) = @_;	1474	my ($self) = @_;
1369		1475
		1476	local $self->{deny_reset} = 1; # loading can take a long time
		1477
1370	my $path = $self->{path};	1478	my $path = $self->{path};
1371	my $guard = cf::lock_acquire "map_load:$path";	1479	my $guard = cf::lock_acquire "map_load:$path";
1372		1480
1373	return if $self->in_memory != cf::MAP_SWAPPED;	1481	return if $self->in_memory != cf::MAP_SWAPPED;
1374		1482
1375	$self->in_memory (cf::MAP_LOADING);	1483	$self->in_memory (cf::MAP_LOADING);
1376		1484
1377	$self->alloc;	1485	$self->alloc;
		1486
		1487	$self->pre_load;
		1488	Coro::cede;
		1489
1378	$self->_load_objects ($self->{load_path}, 1)	1490	$self->_load_objects ($self->{load_path}, 1)
1379	or return;	1491	or return;
1380		1492
1381	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1382	if delete $self->{load_original};	1494	if delete $self->{load_original};
…		…
1388	$self->_load_objects ($uniq, 0);	1500	$self->_load_objects ($uniq, 0);
1389	}	1501	}
1390	}	1502	}
1391		1503
1392	Coro::cede;	1504	Coro::cede;
1393
1394	# now do the right thing for maps	1505	# now do the right thing for maps
1395	$self->link_multipart_objects;	1506	$self->link_multipart_objects;
		1507	Coro::cede;
1396		1508
1397	unless ($self->{deny_activate}) {	1509	unless ($self->{deny_activate}) {
1398	$self->decay_objects;	1510	$self->decay_objects;
1399	$self->fix_auto_apply;	1511	$self->fix_auto_apply;
1400	$self->update_buttons;	1512	$self->update_buttons;
…		…
1402	$self->set_darkness_map;	1514	$self->set_darkness_map;
1403	$self->difficulty ($self->estimate_difficulty)	1515	$self->difficulty ($self->estimate_difficulty)
1404	unless $self->difficulty;	1516	unless $self->difficulty;
1405	Coro::cede;	1517	Coro::cede;
1406	$self->activate;	1518	$self->activate;
		1519	Coro::cede;
1407	}	1520	}
		1521
		1522	$self->post_load;
		1523	Coro::cede;
1408		1524
1409	$self->in_memory (cf::MAP_IN_MEMORY);	1525	$self->in_memory (cf::MAP_IN_MEMORY);
1410	}	1526	}
1411		1527
1412	sub customise_for {	1528	sub customise_for {
…		…
1477	delete $MAP_PREFETCH{$path};	1593	delete $MAP_PREFETCH{$path};
1478	}	1594	}
1479	}	1595	}
1480	undef $MAP_PREFETCHER;	1596	undef $MAP_PREFETCHER;
1481	};	1597	};
		1598	$MAP_PREFETCHER->prio (6);
1482		1599
1483	()	1600	()
1484	}	1601	}
1485		1602
1486	sub save {	1603	sub save {
…		…
1556	return if $self->players;	1673	return if $self->players;
1557	return if $self->isa ("ext::map_per_player");#d#	1674	return if $self->isa ("ext::map_per_player");#d#
1558		1675
1559	warn "resetting map ", $self->path;#d#	1676	warn "resetting map ", $self->path;#d#
1560		1677
		1678	$self->in_memory (cf::MAP_SWAPPED);
		1679
		1680	# need to save uniques path
		1681	unless ($self->{deny_save}) {
		1682	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1683
		1684	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1685	if $uniq;
		1686	}
		1687
1561	delete $cf::MAP{$self->path};	1688	delete $cf::MAP{$self->path};
1562		1689
1563	$self->in_memory (cf::MAP_SWAPPED);
1564	$self->clear;	1690	$self->clear;
1565		1691
1566	$_->clear_links_to ($self) for values %cf::MAP;	1692	$_->clear_links_to ($self) for values %cf::MAP;
1567		1693
1568	$self->unlink_save;	1694	$self->unlink_save;
…		…
1605	for (@$files) {	1731	for (@$files) {
1606	utf8::decode $_;	1732	utf8::decode $_;
1607	next if /\.pst$/;	1733	next if /\.pst$/;
1608	next unless /^$PATH_SEP/o;	1734	next unless /^$PATH_SEP/o;
1609		1735
1610	s/\.map$//;	1736	push @paths, cf::map::normalise $_;
1611	push @paths, $_;
1612	}	1737	}
1613		1738
1614	\@paths	1739	\@paths
1615	}	1740	}
1616		1741
…		…
1710	=cut	1835	=cut
1711		1836
1712	sub link_map {	1837	sub link_map {
1713	unless ($LINK_MAP) {	1838	unless ($LINK_MAP) {
1714	$LINK_MAP = cf::map::find "{link}"	1839	$LINK_MAP = cf::map::find "{link}"
1715	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	1840	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1716	$LINK_MAP->load;	1841	$LINK_MAP->load;
1717	}	1842	}
1718		1843
1719	$LINK_MAP	1844	$LINK_MAP
1720	}	1845	}
…		…
1727	return if UNIVERSAL::isa $self->map, "ext::map_link";	1852	return if UNIVERSAL::isa $self->map, "ext::map_link";
1728		1853
1729	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1730	if $self->map;	1855	if $self->map;
1731		1856
1732	$self->enter_map ($LINK_MAP || link_map, 20, 20);	1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1733	}	1858	}
1734		1859
1735	sub cf::object::player::leave_link {	1860	sub cf::object::player::leave_link {
1736	my ($self, $map, $x, $y) = @_;	1861	my ($self, $map, $x, $y) = @_;
1737		1862
…		…
1759	$map->load;	1884	$map->load;
1760	$map->load_diag;	1885	$map->load_diag;
1761		1886
1762	return unless $self->contr->active;	1887	return unless $self->contr->active;
1763	$self->activate_recursive;	1888	$self->activate_recursive;
		1889
		1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1764	$self->enter_map ($map, $x, $y);	1891	$self->enter_map ($map, $x, $y);
1765	}	1892	}
1766		1893
1767	cf::player->attach (	1894	cf::player->attach (
1768	on_logout => sub {	1895	on_logout => sub {
…		…
1781	# try to abort aborted map switching on player login :)	1908	# try to abort aborted map switching on player login :)
1782	# should happen only on crashes	1909	# should happen only on crashes
1783	if ($pl->ob->{_link_pos}) {	1910	if ($pl->ob->{_link_pos}) {
1784	$pl->ob->enter_link;	1911	$pl->ob->enter_link;
1785	(async {	1912	(async {
1786	# we need this sleep as the login has a concurrent enter_exit running
1787	# and this sleep increases chances of the player not ending up in scorn
1788	$pl->ob->reply (undef,	1913	$pl->ob->reply (undef,
1789	"There was an internal problem at your last logout, "	1914	"There was an internal problem at your last logout, "
1790	. "the server will try to bring you to your intended destination in a second.",	1915	. "the server will try to bring you to your intended destination in a second.",
1791	cf::NDI_RED);	1916	cf::NDI_RED);
		1917	# we need this sleep as the login has a concurrent enter_exit running
		1918	# and this sleep increases chances of the player not ending up in scorn
1792	Coro::Timer::sleep 1;	1919	Coro::Timer::sleep 1;
1793	$pl->ob->leave_link;	1920	$pl->ob->leave_link;
1794	})->prio (2);	1921	})->prio (2);
1795	}	1922	}
1796	},	1923	},
…		…
1804	my ($self, $path, $x, $y) = @_;	1931	my ($self, $path, $x, $y) = @_;
1805		1932
1806	$self->enter_link;	1933	$self->enter_link;
1807		1934
1808	(async {	1935	(async {
		1936	my $map = eval {
1809	my $map = cf::map::find $path;	1937	my $map = cf::map::find $path;
1810	$map = $map->customise_for ($self) if $map;	1938	$map = $map->customise_for ($self) if $map;
1811		1939	$map
1812	# warn "entering ", $map->path, " at ($x, $y)\n"	1940	} or
1813	# if $map;
1814
1815	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1816		1942
1817	$self->leave_link ($map, $x, $y);	1943	$self->leave_link ($map, $x, $y);
1818	})->prio (1);	1944	})->prio (1);
1819	}	1945	}
1820		1946
…		…
1851	# that depends on the exit object	1977	# that depends on the exit object
1852		1978
1853	my $rmp = parse_random_map_params $exit->msg;	1979	my $rmp = parse_random_map_params $exit->msg;
1854		1980
1855	if ($exit->map) {	1981	if ($exit->map) {
1856	$rmp->{region} = $exit->map->region_name;	1982	$rmp->{region} = $exit->region->name;
1857	$rmp->{origin_map} = $exit->map->path;	1983	$rmp->{origin_map} = $exit->map->path;
1858	$rmp->{origin_x} = $exit->x;	1984	$rmp->{origin_x} = $exit->x;
1859	$rmp->{origin_y} = $exit->y;	1985	$rmp->{origin_y} = $exit->y;
1860	}	1986	}
1861		1987
…		…
1878	sub cf::object::player::enter_exit {	2004	sub cf::object::player::enter_exit {
1879	my ($self, $exit) = @_;	2005	my ($self, $exit) = @_;
1880		2006
1881	return unless $self->type == cf::PLAYER;	2007	return unless $self->type == cf::PLAYER;
1882		2008
		2009	if ($exit->slaying eq "/!") {
		2010	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2011	# the problem is that $exit might not survive long enough
		2012	# so it needs to be done right now, right here
		2013	cf::sync_job { prepare_random_map $exit };
		2014	}
		2015
		2016	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2017	my $hp = $exit->stats->hp;
		2018	my $sp = $exit->stats->sp;
		2019
1883	$self->enter_link;	2020	$self->enter_link;
1884		2021
1885	(async {	2022	(async {
1886	$self->deactivate_recursive; # just to be sure	2023	$self->deactivate_recursive; # just to be sure
1887	unless (eval {	2024	unless (eval {
1888	prepare_random_map $exit	2025	$self->goto ($slaying, $hp, $sp);
1889	if $exit->slaying eq "/!";
1890
1891	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1892	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1893		2026
1894	1;	2027	1;
1895	}) {	2028	}) {
1896	$self->message ("Something went wrong deep within the crossfire server. "	2029	$self->message ("Something went wrong deep within the crossfire server. "
1897	. "I'll try to bring you back to the map you were before. "	2030	. "I'll try to bring you back to the map you were before. "
1898	. "Please report this to the dungeon master!",	2031	. "Please report this to the dungeon master!",
1899	cf::NDI_UNIQUE | cf::NDI_RED);	2032	cf::NDI_UNIQUE | cf::NDI_RED);
1900		2033
1901	warn "ERROR in enter_exit: $@";	2034	warn "ERROR in enter_exit: $@";
1902	$self->leave_link;	2035	$self->leave_link;
1903	}	2036	}
1904	})->prio (1);	2037	})->prio (1);
…		…
1917		2050
1918	sub cf::client::send_drawinfo {	2051	sub cf::client::send_drawinfo {
1919	my ($self, $text, $flags) = @_;	2052	my ($self, $text, $flags) = @_;
1920		2053
1921	utf8::encode $text;	2054	utf8::encode $text;
1922	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1923	}	2056	}
1924		2057
		2058	=item $client->ext_event ($type, %msg)
		2059
		2060	Sends an exti event to the client.
		2061
		2062	=cut
		2063
		2064	sub cf::client::ext_event($$%) {
		2065	my ($self, $type, %msg) = @_;
		2066
		2067	$msg{msgtype} = "event_$type";
		2068	$self->send_packet ("ext " . cf::to_json \%msg);
		2069	}
1925		2070
1926	=item $success = $client->query ($flags, "text", \&cb)	2071	=item $success = $client->query ($flags, "text", \&cb)
1927		2072
1928	Queues a query to the client, calling the given callback with	2073	Queues a query to the client, calling the given callback with
1929	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2074	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1958	# get handled first	2103	# get handled first
1959	my $queue = delete $ns->{query_queue}	2104	my $queue = delete $ns->{query_queue}
1960	or return; # be conservative, not sure how that can happen, but we saw a crash here	2105	or return; # be conservative, not sure how that can happen, but we saw a crash here
1961		2106
1962	(shift @$queue)->[1]->($msg);	2107	(shift @$queue)->[1]->($msg);
		2108	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1963		2109
1964	push @{ $ns->{query_queue} }, @$queue;	2110	push @{ $ns->{query_queue} }, @$queue;
1965		2111
1966	if (@{ $ns->{query_queue} } == @$queue) {	2112	if (@{ $ns->{query_queue} } == @$queue) {
1967	if (@$queue) {	2113	if (@$queue) {
…		…
2025		2171
2026	# here we export the classes and methods available to script code	2172	# here we export the classes and methods available to script code
2027		2173
2028	=pod	2174	=pod
2029		2175
2030	The following fucntions and emthods are available within a safe environment:	2176	The following functions and methods are available within a safe environment:
2031		2177
2032	cf::object contr pay_amount pay_player map	2178	cf::object contr pay_amount pay_player map
2033	cf::object::player player	2179	cf::object::player player
2034	cf::player peaceful	2180	cf::player peaceful
2035	cf::map trigger	2181	cf::map trigger
…		…
2120	#############################################################################	2266	#############################################################################
2121		2267
2122	=head2 EXTENSION DATABASE SUPPORT	2268	=head2 EXTENSION DATABASE SUPPORT
2123		2269
2124	Crossfire maintains a very simple database for extension use. It can	2270	Crossfire maintains a very simple database for extension use. It can
2125	currently store anything that can be serialised using Storable, which	2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2126	excludes objects.	2272	convert to/from binary).
2127		2273
2128	The parameter C<$family> should best start with the name of the extension	2274	The parameter C<$family> should best start with the name of the extension
2129	using it, it should be unique.	2275	using it, it should be unique.
2130		2276
2131	=over 4	2277	=over 4
2132		2278
2133	=item $hashref = cf::db_get $family
2134
2135	Return a hashref for use by the extension C<$family>, which can be
2136	modified. After modifications, you have to call C<cf::db_dirty> or
2137	C<cf::db_sync>.
2138
2139	=item $value = cf::db_get $family => $key	2279	=item $value = cf::db_get $family => $key
2140		2280
2141	Returns a single value from the database	2281	Returns a single value from the database.
2142
2143	=item cf::db_put $family => $hashref
2144
2145	Stores the given family hashref into the database. Updates are delayed, if
2146	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2147		2282
2148	=item cf::db_put $family => $key => $value	2283	=item cf::db_put $family => $key => $value
2149		2284
2150	Stores the given C<$value> in the family hash. Updates are delayed, if you	2285	Stores the given C<$value> in the family.
2151	want the data to be synced to disk immediately, use C<cf::db_sync>.
2152
2153	=item cf::db_dirty
2154
2155	Marks the database as dirty, to be updated at a later time.
2156
2157	=item cf::db_sync
2158
2159	Immediately write the database to disk I<if it is dirty>.
2160		2286
2161	=cut	2287	=cut
2162		2288
2163	our $DB;	2289	our $DB;
2164		2290
2165	{	2291	sub db_init {
2166	my $path = cf::localdir . "/database.pst";	2292	unless ($DB) {
		2293	$DB = BDB::db_create $DB_ENV;
2167		2294
2168	sub db_load() {	2295	cf::sync_job {
2169	$DB = stat $path ? Storable::retrieve $path : { };	2296	eval {
2170	}	2297	$DB->set_flags (BDB::CHKSUM);
2171		2298
2172	my $pid;	2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2173		2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2174	sub db_save() {	2301	cf::cleanup "db_open(db): $!" if $!;
2175	waitpid $pid, 0 if $pid;	2302	};
2176	if (0 == ($pid = fork)) {	2303	cf::cleanup "db_open(db): $@" if $@;
2177	$DB->{_meta}{version} = 1;
2178	Storable::nstore $DB, "$path~";
2179	rename "$path~", $path;
2180	cf::_exit 0 if defined $pid;
2181	}	2304	};
2182	}
2183
2184	my $dirty;
2185
2186	sub db_sync() {
2187	db_save if $dirty;
2188	undef $dirty;
2189	}
2190
2191	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2192	db_sync;
2193	});	2305	}
		2306	}
2194		2307
2195	sub db_dirty() {
2196	$dirty = 1;
2197	$idle->start;
2198	}
2199
2200	sub db_get($;$) {	2308	sub db_get($$) {
2201	@_ >= 2	2309	my $key = "$_[0]/$_[1]";
2202	? $DB->{$_[0]}{$_[1]}
2203	: ($DB->{$_[0]} ||= { })
2204	}
2205		2310
		2311	cf::sync_job {
		2312	BDB::db_get $DB, undef, $key, my $data;
		2313
		2314	$! ? ()
		2315	: $data
		2316	}
		2317	}
		2318
2206	sub db_put($$;$) {	2319	sub db_put($$$) {
2207	if (@_ >= 3) {	2320	BDB::dbreq_pri 4;
2208	$DB->{$_[0]}{$_[1]} = $_[2];	2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2209	} else {	2322	}
2210	$DB->{$_[0]} = $_[1];
2211	}
2212	db_dirty;
2213	}
2214		2323
2215	cf::global->attach (	2324	=item cf::cache $id => [$paths...], $processversion => $process
2216	prio => 10000,	2325
2217	on_cleanup => sub {	2326	Generic caching function that returns the value of the resource $id,
2218	db_sync;	2327	caching and regenerating as required.
		2328
		2329	This function can block.
		2330
		2331	=cut
		2332
		2333	sub cache {
		2334	my ($id, $src, $processversion, $process) = @_;
		2335
		2336	my $meta =
		2337	join "\x00",
		2338	$processversion,
		2339	map {
		2340	aio_stat $_
		2341	and Carp::croak "$_: $!";
		2342
		2343	($_, (stat _)[7,9])
		2344	} @$src;
		2345
		2346	my $dbmeta = db_get cache => "$id/meta";
		2347	if ($dbmeta ne $meta) {
		2348	# changed, we may need to process
		2349
		2350	my @data;
		2351	my $md5;
		2352
		2353	for (0 .. $#$src) {
		2354	0 <= aio_load $src->[$_], $data[$_]
		2355	or Carp::croak "$src->[$_]: $!";
2219	},	2356	}
2220	);	2357
		2358	# if processing is expensive, check
		2359	# checksum first
		2360	if (1) {
		2361	$md5 =
		2362	join "\x00",
		2363	$processversion,
		2364	map {
		2365	Coro::cede;
		2366	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2367	} 0.. $#$src;
		2368
		2369
		2370	my $dbmd5 = db_get cache => "$id/md5";
		2371	if ($dbmd5 eq $md5) {
		2372	db_put cache => "$id/meta", $meta;
		2373
		2374	return db_get cache => "$id/data";
		2375	}
		2376	}
		2377
		2378	my $data = $process->(\@data);
		2379
		2380	db_put cache => "$id/data", $data;
		2381	db_put cache => "$id/md5" , $md5;
		2382	db_put cache => "$id/meta", $meta;
		2383
		2384	return $data;
		2385	}
		2386
		2387	db_get cache => "$id/data"
2221	}	2388	}
		2389
		2390	=item fork_call { }, $args
		2391
		2392	Executes the given code block with the given arguments in a seperate
		2393	process, returning the results. Everything must be serialisable with
		2394	Coro::Storable. May, of course, block. Note that the executed sub may
		2395	never block itself or use any form of Event handling.
		2396
		2397	=cut
		2398
		2399	sub fork_call(&@) {
		2400	my ($cb, @args) = @_;
		2401
		2402	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2403	# or die "socketpair: $!";
		2404	pipe my $fh1, my $fh2
		2405	or die "pipe: $!";
		2406
		2407	if (my $pid = fork) {
		2408	close $fh2;
		2409
		2410	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2411	$res = Coro::Storable::thaw $res;
		2412
		2413	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2414
		2415	die $$res unless "ARRAY" eq ref $res;
		2416
		2417	return wantarray ? @$res : $res->[-1];
		2418	} else {
		2419	eval {
		2420	local $SIG{__DIE__};
		2421	local $SIG{__WARN__};
		2422	close $fh1;
		2423
		2424	my @res = eval { $cb->(@args) };
		2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2426	};
		2427
		2428	_exit 0;
		2429	}
		2430	}
		2431
		2432
2222		2433
2223	#############################################################################	2434	#############################################################################
2224	# the server's main()	2435	# the server's init and main functions
		2436
		2437	sub load_facedata($) {
		2438	my ($path) = @_;
		2439
		2440	warn "loading facedata from $path\n";
		2441
		2442	my $facedata;
		2443	0 < aio_load $path, $facedata
		2444	or die "$path: $!";
		2445
		2446	$facedata = Coro::Storable::thaw $facedata;
		2447
		2448	$facedata->{version} == 2
		2449	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2450
		2451	{
		2452	my $faces = $facedata->{faceinfo};
		2453
		2454	while (my ($face, $info) = each %$faces) {
		2455	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2456	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2457	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2458	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2459	Coro::cede;
		2460	}
		2461
		2462	while (my ($face, $info) = each %$faces) {
		2463	next unless $info->{smooth};
		2464	my $idx = cf::face::find $face
		2465	or next;
		2466	if (my $smooth = cf::face::find $info->{smooth}) {
		2467	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2468	} else {
		2469	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2470	}
		2471	Coro::cede;
		2472	}
		2473	}
		2474
		2475	{
		2476	my $anims = $facedata->{animinfo};
		2477
		2478	while (my ($anim, $info) = each %$anims) {
		2479	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2480	Coro::cede;
		2481	}
		2482
		2483	cf::anim::invalidate_all; # d'oh
		2484	}
		2485
		2486	1
		2487	}
		2488
		2489	sub reload_facedata {
		2490	load_facedata sprintf "%s/facedata", cf::datadir
		2491	or die "unable to load facedata\n";
		2492	}
		2493
		2494	sub reload_regions {
		2495	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2496	or die "unable to load regions file\n";
		2497	}
		2498
		2499	sub reload_archetypes {
		2500	load_resource_file sprintf "%s/archetypes", cf::datadir
		2501	or die "unable to load archetypes\n";
		2502	}
		2503
		2504	sub reload_treasures {
		2505	load_resource_file sprintf "%s/treasures", cf::datadir
		2506	or die "unable to load treasurelists\n";
		2507	}
		2508
		2509	sub reload_resources {
		2510	warn "reloading resource files...\n";
		2511
		2512	reload_regions;
		2513	reload_facedata;
		2514	reload_archetypes;
		2515	reload_treasures;
		2516
		2517	warn "finished reloading resource files\n";
		2518	}
		2519
		2520	sub init {
		2521	reload_resources;
		2522	}
2225		2523
2226	sub cfg_load {	2524	sub cfg_load {
2227	open my $fh, "<:utf8", cf::confdir . "/config"	2525	open my $fh, "<:utf8", cf::confdir . "/config"
2228	or return;	2526	or return;
2229		2527
…		…
2252	Event::one_event;	2550	Event::one_event;
2253	})->prio (Coro::PRIO_MAX);	2551	})->prio (Coro::PRIO_MAX);
2254	};	2552	};
2255		2553
2256	cfg_load;	2554	cfg_load;
2257	db_load;	2555	db_init;
2258	load_extensions;	2556	load_extensions;
2259		2557
2260	$TICK_WATCHER->start;	2558	$TICK_WATCHER->start;
2261	Event::loop;	2559	Event::loop;
2262	}	2560	}
…		…
2266		2564
2267	# install some emergency cleanup handlers	2565	# install some emergency cleanup handlers
2268	BEGIN {	2566	BEGIN {
2269	for my $signal (qw(INT HUP TERM)) {	2567	for my $signal (qw(INT HUP TERM)) {
2270	Event->signal (	2568	Event->signal (
		2569	reentrant => 0,
2271	data => WF_AUTOCANCEL,	2570	data => WF_AUTOCANCEL,
2272	signal => $signal,	2571	signal => $signal,
		2572	prio => 0,
2273	cb => sub {	2573	cb => sub {
2274	cf::cleanup "SIG$signal";	2574	cf::cleanup "SIG$signal";
2275	},	2575	},
2276	);	2576	);
2277	}	2577	}
2278	}	2578	}
…		…
2299	my $map = $cf::MAP{$path} or next;	2599	my $map = $cf::MAP{$path} or next;
2300	$map->valid or next;	2600	$map->valid or next;
2301	$map->save;	2601	$map->save;
2302	}	2602	}
2303	warn "end emergency map save\n";	2603	warn "end emergency map save\n";
		2604
		2605	warn "begin emergency database checkpoint\n";
		2606	BDB::db_env_txn_checkpoint $DB_ENV;
		2607	warn "end emergency database checkpoint\n";
2304	};	2608	};
2305		2609
2306	warn "leave emergency perl save\n";	2610	warn "leave emergency perl save\n";
2307	}	2611	}
2308		2612
		2613	sub post_cleanup {
		2614	my ($make_core) = @_;
		2615
		2616	warn Carp::longmess "post_cleanup backtrace"
		2617	if $make_core;
		2618	}
		2619
2309	sub reload() {	2620	sub do_reload_perl() {
2310	# can/must only be called in main	2621	# can/must only be called in main
2311	if ($Coro::current != $Coro::main) {	2622	if ($Coro::current != $Coro::main) {
2312	warn "can only reload from main coroutine";	2623	warn "can only reload from main coroutine";
2313	return;	2624	return;
2314	}	2625	}
2315		2626
2316	warn "reloading...";	2627	warn "reloading...";
2317		2628
2318	warn "cancelling server ticker";	2629	warn "entering sync_job";
2319	$TICK_WATCHER->cancel;
2320		2630
		2631	cf::sync_job {
		2632	cf::write_runtime; # external watchdog should not bark
2321	cf::emergency_save;	2633	cf::emergency_save;
		2634	cf::write_runtime; # external watchdog should not bark
2322		2635
2323	eval {	2636	warn "syncing database to disk";
		2637	BDB::db_env_txn_checkpoint $DB_ENV;
		2638
2324	# if anything goes wrong in here, we should simply crash as we already saved	2639	# if anything goes wrong in here, we should simply crash as we already saved
2325
2326	warn "syncing database to disk";
2327	cf::db_sync;
2328		2640
2329	warn "cancelling all WF_AUTOCANCEL watchers";	2641	warn "cancelling all WF_AUTOCANCEL watchers";
2330	for (Event::all_watchers) {	2642	for (Event::all_watchers) {
2331	$_->cancel if $_->data & WF_AUTOCANCEL;	2643	$_->cancel if $_->data & WF_AUTOCANCEL;
2332	}	2644	}
2333		2645
2334	warn "flushing outstanding aio requests";	2646	warn "flushing outstanding aio requests";
2335	for (;;) {	2647	for (;;) {
		2648	BDB::flush;
2336	IO::AIO::flush;	2649	IO::AIO::flush;
2337	Coro::cede;	2650	Coro::cede;
2338	last unless IO::AIO::nreqs;	2651	last unless IO::AIO::nreqs || BDB::nreqs;
2339	warn "iterate...";	2652	warn "iterate...";
2340	}	2653	}
		2654
		2655	++$RELOAD;
2341		2656
2342	warn "cancelling all extension coros";	2657	warn "cancelling all extension coros";
2343	$_->cancel for values %EXT_CORO;	2658	$_->cancel for values %EXT_CORO;
2344	%EXT_CORO = ();	2659	%EXT_CORO = ();
2345		2660
…		…
2398	require cf;	2713	require cf;
2399	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2714	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2400		2715
2401	warn "loading config and database again";	2716	warn "loading config and database again";
2402	cf::cfg_load;	2717	cf::cfg_load;
2403	cf::db_load;
2404		2718
2405	warn "loading extensions";	2719	warn "loading extensions";
2406	cf::load_extensions;	2720	cf::load_extensions;
2407		2721
2408	warn "reattaching attachments to objects/players";	2722	warn "reattaching attachments to objects/players";
2409	_global_reattach;	2723	_global_reattach; # objects, sockets
2410	warn "reattaching attachments to maps";	2724	warn "reattaching attachments to maps";
2411	reattach $_ for values %MAP;	2725	reattach $_ for values %MAP;
		2726	warn "reattaching attachments to players";
		2727	reattach $_ for values %PLAYER;
2412		2728
2413	warn "restarting server ticker";	2729	warn "leaving sync_job";
2414		2730
2415	$TICK_WATCHER->start;	2731	1
2416	};	2732	} or do {
2417
2418	if ($@) {
2419	warn $@;	2733	warn $@;
2420	warn "error while reloading, exiting.";	2734	warn "error while reloading, exiting.";
2421	exit 1;	2735	exit 1;
2422	}	2736	};
2423		2737
2424	warn "reloaded";	2738	warn "reloaded";
2425	};	2739	};
2426		2740
2427	our $RELOAD_WATCHER; # used only during reload	2741	our $RELOAD_WATCHER; # used only during reload
2428		2742
		2743	sub reload_perl() {
		2744	# doing reload synchronously and two reloads happen back-to-back,
		2745	# coro crashes during coro_state_free->destroy here.
		2746
		2747	$RELOAD_WATCHER ||= Event->timer (
		2748	reentrant => 0,
		2749	after => 0,
		2750	data => WF_AUTOCANCEL,
		2751	cb => sub {
		2752	do_reload_perl;
		2753	undef $RELOAD_WATCHER;
		2754	},
		2755	);
		2756	}
		2757
2429	register_command "reload" => sub {	2758	register_command "reload" => sub {
2430	my ($who, $arg) = @_;	2759	my ($who, $arg) = @_;
2431		2760
2432	if ($who->flag (FLAG_WIZ)) {	2761	if ($who->flag (FLAG_WIZ)) {
2433	$who->message ("reloading server.");	2762	$who->message ("reloading server.");
2434		2763	async { reload_perl };
2435	# doing reload synchronously and two reloads happen back-to-back,
2436	# coro crashes during coro_state_free->destroy here.
2437
2438	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2439	reload;
2440	undef $RELOAD_WATCHER;
2441	});
2442	}	2764	}
2443	};	2765	};
2444		2766
2445	unshift @INC, $LIBDIR;	2767	unshift @INC, $LIBDIR;
2446		2768
2447	my $bug_warning = 0;	2769	my $bug_warning = 0;
		2770
		2771	our @WAIT_FOR_TICK;
		2772	our @WAIT_FOR_TICK_BEGIN;
		2773
		2774	sub wait_for_tick {
		2775	return unless $TICK_WATCHER->is_active;
		2776	return if $Coro::current == $Coro::main;
		2777
		2778	my $signal = new Coro::Signal;
		2779	push @WAIT_FOR_TICK, $signal;
		2780	$signal->wait;
		2781	}
		2782
		2783	sub wait_for_tick_begin {
		2784	return unless $TICK_WATCHER->is_active;
		2785	return if $Coro::current == $Coro::main;
		2786
		2787	my $signal = new Coro::Signal;
		2788	push @WAIT_FOR_TICK_BEGIN, $signal;
		2789	$signal->wait;
		2790	}
2448		2791
2449	$TICK_WATCHER = Event->timer (	2792	$TICK_WATCHER = Event->timer (
2450	reentrant => 0,	2793	reentrant => 0,
2451	parked => 1,	2794	parked => 1,
2452	prio => 0,	2795	prio => 0,
…		…
2460	}	2803	}
2461		2804
2462	$NOW = Event::time;	2805	$NOW = Event::time;
2463		2806
2464	cf::server_tick; # one server iteration	2807	cf::server_tick; # one server iteration
		2808
2465	$RUNTIME += $TICK;	2809	$RUNTIME += $TICK;
2466	$NEXT_TICK += $TICK;	2810	$NEXT_TICK += $TICK;
2467		2811
2468	$WAIT_FOR_TICK->broadcast;	2812	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2469	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2813	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2814	Coro::async_pool {
		2815	write_runtime
		2816	or warn "ERROR: unable to write runtime file: $!";
		2817	};
		2818	}
		2819
		2820	# my $AFTER = Event::time;
		2821	# warn $AFTER - $NOW;#d#
2470		2822
2471	# if we are delayed by four ticks or more, skip them all	2823	# if we are delayed by four ticks or more, skip them all
2472	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2824	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2473		2825
2474	$TICK_WATCHER->at ($NEXT_TICK);	2826	$TICK_WATCHER->at ($NEXT_TICK);
2475	$TICK_WATCHER->start;	2827	$TICK_WATCHER->start;
		2828
		2829	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2830	$sig->send;
		2831	}
		2832	while (my $sig = shift @WAIT_FOR_TICK) {
		2833	$sig->send;
		2834	}
		2835
		2836	_post_tick;
2476	},	2837	},
2477	);	2838	);
2478		2839
		2840	{
		2841	BDB::max_poll_time $TICK * 0.1;
		2842	$BDB_POLL_WATCHER = Event->io (
		2843	reentrant => 0,
		2844	fd => BDB::poll_fileno,
		2845	poll => 'r',
		2846	prio => 0,
		2847	data => WF_AUTOCANCEL,
		2848	cb => \&BDB::poll_cb,
		2849	);
		2850	BDB::min_parallel 8;
		2851
		2852	BDB::set_sync_prepare {
		2853	my $status;
		2854	my $current = $Coro::current;
		2855	(
		2856	sub {
		2857	$status = $!;
		2858	$current->ready; undef $current;
		2859	},
		2860	sub {
		2861	Coro::schedule while defined $current;
		2862	$! = $status;
		2863	},
		2864	)
		2865	};
		2866
		2867	unless ($DB_ENV) {
		2868	$DB_ENV = BDB::db_env_create;
		2869
		2870	cf::sync_job {
		2871	eval {
		2872	BDB::db_env_open
		2873	$DB_ENV,
		2874	$BDB_ENV_DIR,
		2875	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2876	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2877	0666;
		2878
		2879	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2880
		2881	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2882	$DB_ENV->set_lk_detect;
		2883	};
		2884
		2885	cf::cleanup "db_env_open(db): $@" if $@;
		2886	};
		2887	}
		2888	}
		2889
		2890	{
		2891	IO::AIO::min_parallel 8;
		2892
		2893	undef $Coro::AIO::WATCHER;
2479	IO::AIO::max_poll_time $TICK * 0.2;	2894	IO::AIO::max_poll_time $TICK * 0.1;
2480
2481	$AIO_POLL_WATCHER = Event->io (	2895	$AIO_POLL_WATCHER = Event->io (
2482	fd => IO::AIO::poll_fileno,	2896	reentrant => 0,
2483	poll => 'r',
2484	prio => 5,
2485	data => WF_AUTOCANCEL,
2486	cb => \&IO::AIO::poll_cb,
2487	);
2488
2489	$WRITE_RUNTIME_WATCHER = Event->timer (
2490	data => WF_AUTOCANCEL,	2897	data => WF_AUTOCANCEL,
2491	after => 1,	2898	fd => IO::AIO::poll_fileno,
2492	interval => 10,	2899	poll => 'r',
2493	prio => 6, # keep it lowest so it acts like a watchdog	2900	prio => 6,
2494	cb => Coro::unblock_sub {	2901	cb => \&IO::AIO::poll_cb,
2495	write_runtime	2902	);
2496	or warn "ERROR: unable to write runtime file: $!";	2903	}
2497	},	2904
2498	);	2905	# load additional modules
		2906	use cf::pod;
2499		2907
2500	END { cf::emergency_save }	2908	END { cf::emergency_save }
2501		2909
2502	1	2910	1
2503		2911

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines