[ViewVC] Diff of: cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.192 by root, Wed Jan 24 01:43:01 2007 UTC vs.
Revision 1.249 by root, Wed Apr 18 12:43:54 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 3.4 ();	14	use Coro 3.61 ();
		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;
		21	use Coro::Storable;
19		22
		23	use BDB ();
20	use Data::Dumper;	24	use Data::Dumper;
21	use Digest::MD5;	25	use Digest::MD5;
22	use Fcntl;	26	use Fcntl;
		27	use YAML::Syck ();
23	use IO::AIO 2.32 ();	28	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	29	use Time::HiRes;
		30	use Compress::LZF;
26		31
		32	# configure various modules to our taste
		33	#
		34	$Storable::canonical = 1; # reduce rsync transfers
		35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		37
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	38	$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		39
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	41	$YAML::Syck::ImplicitUnicode = 1;
33		42
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		44
		45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		46
36	our %COMMAND = ();	47	our %COMMAND = ();
37	our %COMMAND_TIME = ();	48	our %COMMAND_TIME = ();
38		49
39	our @EXTS = (); # list of extension package names	50	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	51	our %EXTCMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	52	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	53	our %EXT_MAP = (); # pluggable maps
43		54
		55	our $RELOAD; # number of reloads so far
44	our @EVENT;	56	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	57	our $LIBDIR = datadir . "/ext";
46		58
47	our $TICK = MAX_TIME * 1e-6;	59	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	60	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	61	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	63	our $NEXT_TICK;
52	our $NOW;	64	our $NOW;
		65	our $USE_FSYNC = 1; # use fsync to write maps - default off
		66
		67	our $BDB_POLL_WATCHER;
		68	our $DB_ENV;
53		69
54	our %CFG;	70	our %CFG;
55		71
56	our $UPTIME; $UPTIME \|\|= time;	72	our $UPTIME; $UPTIME \|\|= time;
57	our $RUNTIME;	73	our $RUNTIME;
58		74
59	our %PLAYER; # all users	75	our %PLAYER; # all users
60	our %MAP; # all maps	76	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	77	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";	78	our $RANDOM_MAPS = cf::localdir . "/random";
63		79	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		80
67	# used to convert map paths into valid unix filenames by replacing / by ∕	81	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		83
70	binmode STDOUT;	84	binmode STDOUT;
…		…
80	mkdir cf::localdir;	94	mkdir cf::localdir;
81	mkdir cf::localdir . "/" . cf::playerdir;	95	mkdir cf::localdir . "/" . cf::playerdir;
82	mkdir cf::localdir . "/" . cf::tmpdir;	96	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;	97	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;	98	mkdir $RANDOM_MAPS;
		99	mkdir $BDB_ENV_DIR;
85		100
86	our $EMERGENCY_POSITION;	101	our $EMERGENCY_POSITION;
		102
		103	sub cf::map::normalise;
87		104
88	#############################################################################	105	#############################################################################
89		106
90	=head2 GLOBAL VARIABLES	107	=head2 GLOBAL VARIABLES
91		108
…		…
116	=item %cf::CFG	133	=item %cf::CFG
117		134
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	135	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	136	from wherever your confdir points to.
120		137
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	138	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		139
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	140	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	141	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	142	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		143
128	=back	144	=back
129		145
130	=cut	146	=cut
131		147
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	207	$d
192	} \|\| "[unable to dump $_[0]: '$@']";	208	} \|\| "[unable to dump $_[0]: '$@']";
193	}	209	}
194		210
195	use JSON::Syck (); # TODO# replace by JSON::PC once working	211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
196		212
197	=item $ref = cf::from_json $json	213	=item $ref = cf::from_json $json
198		214
199	Converts a JSON string into the corresponding perl data structure.	215	Converts a JSON string into the corresponding perl data structure.
200		216
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	217	=item $json = cf::to_json $ref
209		218
210	Converts a perl data structure into its JSON representation.	219	Converts a perl data structure into its JSON representation.
211
212	=cut
213
214	sub to_json($) {
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
216	JSON::Syck::Dump $_[0]
217	}
218		220
219	=item cf::lock_wait $string	221	=item cf::lock_wait $string
220		222
221	Wait until the given lock is available. See cf::lock_acquire.	223	Wait until the given lock is available. See cf::lock_acquire.
222		224
…		…
261	sub freeze_mainloop {	263	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	264	return unless $TICK_WATCHER->is_active;
263		265
264	my $guard = Coro::guard {	266	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	267	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	268	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	269	$TICK_WATCHER->stop;
270	$guard	270	$guard
271	}	271	}
272		272
273	=item cf::async { BLOCK }	273	=item cf::async { BLOCK }
…		…
344		344
345	$coro	345	$coro
346	}	346	}
347		347
348	sub write_runtime {	348	sub write_runtime {
		349	my $guard = cf::lock_acquire "write_runtime";
		350
349	my $runtime = cf::localdir . "/runtime";	351	my $runtime = cf::localdir . "/runtime";
350		352
351	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644	353	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644
352	or return;	354	or return;
353		355
…		…
356	# 60 allows for the watchdog to kill the server.	358	# 60 allows for the watchdog to kill the server.
357		359
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	360	(aio_write $fh, 0, (length $value), $value, 0) <= 0
359	and return;	361	and return;
360		362
		363	# always fsync - this file is important
361	aio_fsync $fh	364	aio_fsync $fh
362	and return;	365	and return;
363		366
364	close $fh	367	close $fh
365	or return;	368	or return;
366		369
367	aio_rename "$runtime~", $runtime	370	aio_rename "$runtime~", $runtime
368	and return;	371	and return;
369		372
370	1	373	1
		374	}
		375
		376	=item cf::datalog type => key => value, ...
		377
		378	Log a datalog packet of the given type with the given key-value pairs.
		379
		380	=cut
		381
		382	sub datalog($@) {
		383	my ($type, %kv) = @_;
		384	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371	}	385	}
372		386
373	=back	387	=back
374		388
375	=cut	389	=cut
…		…
750	$filename, length $$rdata, scalar @$objs;	764	$filename, length $$rdata, scalar @$objs;
751		765
752	if (my $fh = aio_open "$filename~", O_WRONLY \| O_CREAT, 0600) {	766	if (my $fh = aio_open "$filename~", O_WRONLY \| O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	767	chmod SAVE_MODE, $fh;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	769	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	770	close $fh;
757		771
758	if (@$objs) {	772	if (@$objs) {
759	if (my $fh = aio_open "$filename.pst~", O_WRONLY \| O_CREAT, 0600) {	773	if (my $fh = aio_open "$filename.pst~", O_WRONLY \| O_CREAT, 0600) {
760	chmod SAVE_MODE, $fh;	774	chmod SAVE_MODE, $fh;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	775	my $data = Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	776	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	777	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	778	close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	779	aio_rename "$filename.pst~", "$filename.pst";
766	}	780	}
767	} else {	781	} else {
768	aio_unlink "$filename.pst";	782	aio_unlink "$filename.pst";
…		…
947	}	961	}
948		962
949	sub path($) {	963	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		965
952	(playerdir $login) . "/$login.pl"	966	(playerdir $login) . "/playerdata"
953	}	967	}
954		968
955	sub find_active($) {	969	sub find_active($) {
956	$cf::PLAYER{$_[0]}	970	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	971	and $cf::PLAYER{$_[0]}->active
…		…
970	my $login = $_[0];	984	my $login = $_[0];
971		985
972	my $guard = cf::lock_acquire "user_find:$login";	986	my $guard = cf::lock_acquire "user_find:$login";
973		987
974	$cf::PLAYER{$_[0]} \|\| do {	988	$cf::PLAYER{$_[0]} \|\| do {
		989	# rename old playerfiles to new ones
		990	#TODO: remove when no longer required
		991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		993	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		994	aio_unlink +(playerdir $login) . "/$login.pl";
		995
975	my $pl = load_pl path $login	996	my $pl = load_pl path $login
976	or return;	997	or return;
977	$cf::PLAYER{$login} = $pl	998	$cf::PLAYER{$login} = $pl
978	}	999	}
979	}	1000	}
…		…
1016		1037
1017	=cut	1038	=cut
1018		1039
1019	sub quit_character {	1040	sub quit_character {
1020	my ($pl) = @_;	1041	my ($pl) = @_;
		1042
		1043	my $name = $pl->ob->name;
1021		1044
1022	$pl->{deny_save} = 1;	1045	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1046	$pl->password ("*"); # this should lock out the player until we nuked the dir
1024		1047
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1030	my $path = playerdir $pl;	1053	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1054	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1055	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1056	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1057	$pl->destroy;
		1058
		1059	my $prefix = qr<^~\Q$name\E/>;
		1060
		1061	# nuke player maps
		1062	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1063
1035	IO::AIO::aio_rmtree $temp;	1064	IO::AIO::aio_rmtree $temp;
		1065	}
		1066
		1067	=item $pl->kick
		1068
		1069	Kicks a player out of the game. This destroys the connection.
		1070
		1071	=cut
		1072
		1073	sub kick {
		1074	my ($pl, $kicker) = @_;
		1075
		1076	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1077	$pl->killer ("kicked");
		1078	$pl->ns->destroy;
1036	}	1079	}
1037		1080
1038	=item cf::player::list_logins	1081	=item cf::player::list_logins
1039		1082
1040	Returns am arrayref of all valid playernames in the system, can take a	1083	Returns am arrayref of all valid playernames in the system, can take a
…		…
1068	=cut	1111	=cut
1069		1112
1070	sub maps($) {	1113	sub maps($) {
1071	my ($pl) = @_;	1114	my ($pl) = @_;
1072		1115
		1116	$pl = ref $pl ? $pl->ob->name : $pl;
		1117
1073	my $files = aio_readdir playerdir $pl	1118	my $files = aio_readdir playerdir $pl
1074	or return;	1119	or return;
1075		1120
1076	my @paths;	1121	my @paths;
1077		1122
1078	for (@$files) {	1123	for (@$files) {
1079	utf8::decode $_;	1124	utf8::decode $_;
1080	next if /\.(?:pl\|pst)$/;	1125	next if /\.(?:pl\|pst)$/;
1081	next unless /^$PATH_SEP/o;	1126	next unless /^$PATH_SEP/o;
1082		1127
1083	s/\.map$//;	1128	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1129	}
1086		1130
1087	\@paths	1131	\@paths
1088	}	1132	}
1089		1133
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1134	=item $player->ext_reply ($msgid, %msg)
1091		1135
1092	Sends an ext reply to the player.	1136	Sends an ext reply to the player.
1093		1137
1094	=cut	1138	=cut
1095		1139
1096	sub ext_reply($$$%) {	1140	sub ext_reply($$%) {
1097	my ($self, $id, %msg) = @_;	1141	my ($self, $id, %msg) = @_;
1098		1142
1099	$msg{msgid} = $id;	1143	$msg{msgid} = $id;
1100		1144
1101	$self->send ("ext " . cf::to_json \%msg);	1145	$self->send ("ext " . cf::to_json \%msg);
1102	}	1146	}
1103		1147
1104	package cf;	1148	=item $player->ext_event ($type, %msg)
		1149
		1150	Sends an ext event to the client.
		1151
		1152	=cut
		1153
		1154	sub ext_event($$%) {
		1155	my ($self, $type, %msg) = @_;
		1156
		1157	$self->ns->ext_event ($type, %msg);
		1158	}
		1159
		1160	=head3 cf::region
		1161
		1162	=over 4
		1163
		1164	=cut
		1165
		1166	package cf::region;
		1167
		1168	=item cf::region::find_by_path $path
		1169
		1170	Tries to decuce the probable region for a map knowing only its path.
		1171
		1172	=cut
		1173
		1174	sub find_by_path($) {
		1175	my ($path) = @_;
		1176
		1177	my ($match, $specificity);
		1178
		1179	for my $region (list) {
		1180	if ($region->match && $path =~ $region->match) {
		1181	($match, $specificity) = ($region, $region->specificity)
		1182	if $region->specificity > $specificity;
		1183	}
		1184	}
		1185
		1186	$match
		1187	}
1105		1188
1106	=back	1189	=back
1107
1108		1190
1109	=head3 cf::map	1191	=head3 cf::map
1110		1192
1111	=over 4	1193	=over 4
1112		1194
…		…
1178	sub normalise {	1260	sub normalise {
1179	my ($path, $base) = @_;	1261	my ($path, $base) = @_;
1180		1262
1181	$path = "$path"; # make sure its a string	1263	$path = "$path"; # make sure its a string
1182		1264
		1265	$path =~ s/\.map$//;
		1266
1183	# map plan:	1267	# map plan:
1184	#	1268	#
1185	# /! non-realised random map exit (special hack!)	1269	# /! non-realised random map exit (special hack!)
1186	# {... are special paths that are not being touched	1270	# {... are special paths that are not being touched
1187	# ?xxx/... are special absolute paths	1271	# ?xxx/... are special absolute paths
…		…
1248		1332
1249	# the original (read-only) location	1333	# the original (read-only) location
1250	sub load_path {	1334	sub load_path {
1251	my ($self) = @_;	1335	my ($self) = @_;
1252		1336
1253	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
1254	}	1338	}
1255		1339
1256	# the temporary/swap location	1340	# the temporary/swap location
1257	sub save_path {	1341	sub save_path {
1258	my ($self) = @_;	1342	my ($self) = @_;
1259		1343
1260	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1261	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
1262	}	1346	}
1263		1347
1264	# the unique path, undef == no special unique path	1348	# the unique path, undef == no special unique path
1265	sub uniq_path {	1349	sub uniq_path {
1266	my ($self) = @_;	1350	my ($self) = @_;
…		…
1288		1372
1289	sub load_header_from($) {	1373	sub load_header_from($) {
1290	my ($self, $path) = @_;	1374	my ($self, $path) = @_;
1291		1375
1292	utf8::encode $path;	1376	utf8::encode $path;
1293	aio_open $path, O_RDONLY, 0	1377	#aio_open $path, O_RDONLY, 0
1294	or return;	1378	# or return;
1295		1379
1296	$self->_load_header ($path)	1380	$self->_load_header ($path)
1297	or return;	1381	or return;
1298		1382
1299	$self->{load_path} = $path;	1383	$self->{load_path} = $path;
…		…
1341	$self->load_header_orig	1425	$self->load_header_orig
1342	or return;	1426	or return;
1343	$self->prepare_orig;	1427	$self->prepare_orig;
1344	}	1428	}
1345		1429
		1430	$self->default_region (cf::region::find_by_path $self->{path})
		1431	unless $self->default_region;
		1432
1346	1	1433	1
1347	}	1434	}
1348		1435
1349	sub find;	1436	sub find;
1350	sub find {	1437	sub find {
…		…
1362	$map->{last_save} = $cf::RUNTIME;	1449	$map->{last_save} = $cf::RUNTIME;
1363		1450
1364	$map->load_header	1451	$map->load_header
1365	or return;	1452	or return;
1366		1453
1367	if ($map->should_reset) {	1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
1368	# doing this can freeze the server in a sync job, obviously	1455	# doing this can freeze the server in a sync job, obviously
1369	#$cf::WAIT_FOR_TICK->wait;	1456	#$cf::WAIT_FOR_TICK->wait;
1370	$map->reset;	1457	$map->reset;
1371	undef $guard;	1458	undef $guard;
1372	return find $path;	1459	return find $path;
…		…
1380	sub post_load { }	1467	sub post_load { }
1381		1468
1382	sub load {	1469	sub load {
1383	my ($self) = @_;	1470	my ($self) = @_;
1384		1471
		1472	local $self->{deny_reset} = 1; # loading can take a long time
		1473
1385	my $path = $self->{path};	1474	my $path = $self->{path};
1386	my $guard = cf::lock_acquire "map_load:$path";	1475	my $guard = cf::lock_acquire "map_load:$path";
1387		1476
1388	return if $self->in_memory != cf::MAP_SWAPPED;	1477	return if $self->in_memory != cf::MAP_SWAPPED;
1389		1478
1390	$self->in_memory (cf::MAP_LOADING);	1479	$self->in_memory (cf::MAP_LOADING);
1391		1480
1392	$self->alloc;	1481	$self->alloc;
1393		1482
1394	$self->pre_load;	1483	$self->pre_load;
		1484	Coro::cede;
1395		1485
1396	$self->_load_objects ($self->{load_path}, 1)	1486	$self->_load_objects ($self->{load_path}, 1)
1397	or return;	1487	or return;
1398		1488
1399	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
…		…
1406	$self->_load_objects ($uniq, 0);	1496	$self->_load_objects ($uniq, 0);
1407	}	1497	}
1408	}	1498	}
1409		1499
1410	Coro::cede;	1500	Coro::cede;
1411
1412	# now do the right thing for maps	1501	# now do the right thing for maps
1413	$self->link_multipart_objects;	1502	$self->link_multipart_objects;
		1503	Coro::cede;
1414		1504
1415	unless ($self->{deny_activate}) {	1505	unless ($self->{deny_activate}) {
1416	$self->decay_objects;	1506	$self->decay_objects;
1417	$self->fix_auto_apply;	1507	$self->fix_auto_apply;
1418	$self->update_buttons;	1508	$self->update_buttons;
…		…
1420	$self->set_darkness_map;	1510	$self->set_darkness_map;
1421	$self->difficulty ($self->estimate_difficulty)	1511	$self->difficulty ($self->estimate_difficulty)
1422	unless $self->difficulty;	1512	unless $self->difficulty;
1423	Coro::cede;	1513	Coro::cede;
1424	$self->activate;	1514	$self->activate;
		1515	Coro::cede;
1425	}	1516	}
1426		1517
1427	$self->post_load;	1518	$self->post_load;
		1519	Coro::cede;
1428		1520
1429	$self->in_memory (cf::MAP_IN_MEMORY);	1521	$self->in_memory (cf::MAP_IN_MEMORY);
1430	}	1522	}
1431		1523
1432	sub customise_for {	1524	sub customise_for {
…		…
1577	return if $self->players;	1669	return if $self->players;
1578	return if $self->isa ("ext::map_per_player");#d#	1670	return if $self->isa ("ext::map_per_player");#d#
1579		1671
1580	warn "resetting map ", $self->path;#d#	1672	warn "resetting map ", $self->path;#d#
1581		1673
		1674	$self->in_memory (cf::MAP_SWAPPED);
		1675
		1676	# need to save uniques path
		1677	unless ($self->{deny_save}) {
		1678	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1679
		1680	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1681	if $uniq;
		1682	}
		1683
1582	delete $cf::MAP{$self->path};	1684	delete $cf::MAP{$self->path};
1583		1685
1584	$self->in_memory (cf::MAP_SWAPPED);
1585	$self->clear;	1686	$self->clear;
1586		1687
1587	$_->clear_links_to ($self) for values %cf::MAP;	1688	$_->clear_links_to ($self) for values %cf::MAP;
1588		1689
1589	$self->unlink_save;	1690	$self->unlink_save;
…		…
1626	for (@$files) {	1727	for (@$files) {
1627	utf8::decode $_;	1728	utf8::decode $_;
1628	next if /\.pst$/;	1729	next if /\.pst$/;
1629	next unless /^$PATH_SEP/o;	1730	next unless /^$PATH_SEP/o;
1630		1731
1631	s/\.map$//;	1732	push @paths, cf::map::normalise $_;
1632	push @paths, $_;
1633	}	1733	}
1634		1734
1635	\@paths	1735	\@paths
1636	}	1736	}
1637		1737
…		…
1731	=cut	1831	=cut
1732		1832
1733	sub link_map {	1833	sub link_map {
1734	unless ($LINK_MAP) {	1834	unless ($LINK_MAP) {
1735	$LINK_MAP = cf::map::find "{link}"	1835	$LINK_MAP = cf::map::find "{link}"
1736	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	1836	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1737	$LINK_MAP->load;	1837	$LINK_MAP->load;
1738	}	1838	}
1739		1839
1740	$LINK_MAP	1840	$LINK_MAP
1741	}	1841	}
…		…
1748	return if UNIVERSAL::isa $self->map, "ext::map_link";	1848	return if UNIVERSAL::isa $self->map, "ext::map_link";
1749		1849
1750	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]	1850	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]
1751	if $self->map;	1851	if $self->map;
1752		1852
1753	$self->enter_map ($LINK_MAP \|\| link_map, 20, 20);	1853	$self->enter_map ($LINK_MAP \|\| link_map, 10, 10);
1754	}	1854	}
1755		1855
1756	sub cf::object::player::leave_link {	1856	sub cf::object::player::leave_link {
1757	my ($self, $map, $x, $y) = @_;	1857	my ($self, $map, $x, $y) = @_;
1758		1858
…		…
1780	$map->load;	1880	$map->load;
1781	$map->load_diag;	1881	$map->load_diag;
1782		1882
1783	return unless $self->contr->active;	1883	return unless $self->contr->active;
1784	$self->activate_recursive;	1884	$self->activate_recursive;
		1885
		1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1785	$self->enter_map ($map, $x, $y);	1887	$self->enter_map ($map, $x, $y);
1786	}	1888	}
1787		1889
1788	cf::player->attach (	1890	cf::player->attach (
1789	on_logout => sub {	1891	on_logout => sub {
…		…
1802	# try to abort aborted map switching on player login :)	1904	# try to abort aborted map switching on player login :)
1803	# should happen only on crashes	1905	# should happen only on crashes
1804	if ($pl->ob->{_link_pos}) {	1906	if ($pl->ob->{_link_pos}) {
1805	$pl->ob->enter_link;	1907	$pl->ob->enter_link;
1806	(async {	1908	(async {
1807	# we need this sleep as the login has a concurrent enter_exit running
1808	# and this sleep increases chances of the player not ending up in scorn
1809	$pl->ob->reply (undef,	1909	$pl->ob->reply (undef,
1810	"There was an internal problem at your last logout, "	1910	"There was an internal problem at your last logout, "
1811	. "the server will try to bring you to your intended destination in a second.",	1911	. "the server will try to bring you to your intended destination in a second.",
1812	cf::NDI_RED);	1912	cf::NDI_RED);
		1913	# we need this sleep as the login has a concurrent enter_exit running
		1914	# and this sleep increases chances of the player not ending up in scorn
1813	Coro::Timer::sleep 1;	1915	Coro::Timer::sleep 1;
1814	$pl->ob->leave_link;	1916	$pl->ob->leave_link;
1815	})->prio (2);	1917	})->prio (2);
1816	}	1918	}
1817	},	1919	},
…		…
1825	my ($self, $path, $x, $y) = @_;	1927	my ($self, $path, $x, $y) = @_;
1826		1928
1827	$self->enter_link;	1929	$self->enter_link;
1828		1930
1829	(async {	1931	(async {
		1932	my $map = eval {
1830	my $map = cf::map::find $path;	1933	my $map = cf::map::find $path;
1831	$map = $map->customise_for ($self) if $map;	1934	$map = $map->customise_for ($self) if $map;
1832		1935	$map
1833	# warn "entering ", $map->path, " at ($x, $y)\n"	1936	} or
1834	# if $map;
1835
1836	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE \| cf::NDI_RED);	1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
1837		1938
1838	$self->leave_link ($map, $x, $y);	1939	$self->leave_link ($map, $x, $y);
1839	})->prio (1);	1940	})->prio (1);
1840	}	1941	}
1841		1942
…		…
1872	# that depends on the exit object	1973	# that depends on the exit object
1873		1974
1874	my $rmp = parse_random_map_params $exit->msg;	1975	my $rmp = parse_random_map_params $exit->msg;
1875		1976
1876	if ($exit->map) {	1977	if ($exit->map) {
1877	$rmp->{region} = $exit->map->region_name;	1978	$rmp->{region} = $exit->region->name;
1878	$rmp->{origin_map} = $exit->map->path;	1979	$rmp->{origin_map} = $exit->map->path;
1879	$rmp->{origin_x} = $exit->x;	1980	$rmp->{origin_x} = $exit->x;
1880	$rmp->{origin_y} = $exit->y;	1981	$rmp->{origin_y} = $exit->y;
1881	}	1982	}
1882		1983
…		…
1899	sub cf::object::player::enter_exit {	2000	sub cf::object::player::enter_exit {
1900	my ($self, $exit) = @_;	2001	my ($self, $exit) = @_;
1901		2002
1902	return unless $self->type == cf::PLAYER;	2003	return unless $self->type == cf::PLAYER;
1903		2004
		2005	if ($exit->slaying eq "/!") {
		2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2007	# the problem is that $exit might not survive long enough
		2008	# so it needs to be done right now, right here
		2009	cf::sync_job { prepare_random_map $exit };
		2010	}
		2011
		2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2013	my $hp = $exit->stats->hp;
		2014	my $sp = $exit->stats->sp;
		2015
1904	$self->enter_link;	2016	$self->enter_link;
1905		2017
1906	(async {	2018	(async {
1907	$self->deactivate_recursive; # just to be sure	2019	$self->deactivate_recursive; # just to be sure
1908	unless (eval {	2020	unless (eval {
1909	prepare_random_map $exit	2021	$self->goto ($slaying, $hp, $sp);
1910	if $exit->slaying eq "/!";
1911
1912	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1913	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1914		2022
1915	1;	2023	1;
1916	}) {	2024	}) {
1917	$self->message ("Something went wrong deep within the crossfire server. "	2025	$self->message ("Something went wrong deep within the crossfire server. "
1918	. "I'll try to bring you back to the map you were before. "	2026	. "I'll try to bring you back to the map you were before. "
1919	. "Please report this to the dungeon master!",	2027	. "Please report this to the dungeon master!",
1920	cf::NDI_UNIQUE \| cf::NDI_RED);	2028	cf::NDI_UNIQUE \| cf::NDI_RED);
1921		2029
1922	warn "ERROR in enter_exit: $@";	2030	warn "ERROR in enter_exit: $@";
1923	$self->leave_link;	2031	$self->leave_link;
1924	}	2032	}
1925	})->prio (1);	2033	})->prio (1);
…		…
1938		2046
1939	sub cf::client::send_drawinfo {	2047	sub cf::client::send_drawinfo {
1940	my ($self, $text, $flags) = @_;	2048	my ($self, $text, $flags) = @_;
1941		2049
1942	utf8::encode $text;	2050	utf8::encode $text;
1943	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2051	$self->send_packet (sprintf "drawinfo %d %s", $flags \|\| cf::NDI_BLACK, $text);
1944	}	2052	}
1945		2053
		2054	=item $client->ext_event ($type, %msg)
		2055
		2056	Sends an exti event to the client.
		2057
		2058	=cut
		2059
		2060	sub cf::client::ext_event($$%) {
		2061	my ($self, $type, %msg) = @_;
		2062
		2063	$msg{msgtype} = "event_$type";
		2064	$self->send_packet ("ext " . cf::to_json \%msg);
		2065	}
1946		2066
1947	=item $success = $client->query ($flags, "text", \&cb)	2067	=item $success = $client->query ($flags, "text", \&cb)
1948		2068
1949	Queues a query to the client, calling the given callback with	2069	Queues a query to the client, calling the given callback with
1950	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1979	# get handled first	2099	# get handled first
1980	my $queue = delete $ns->{query_queue}	2100	my $queue = delete $ns->{query_queue}
1981	or return; # be conservative, not sure how that can happen, but we saw a crash here	2101	or return; # be conservative, not sure how that can happen, but we saw a crash here
1982		2102
1983	(shift @$queue)->[1]->($msg);	2103	(shift @$queue)->[1]->($msg);
		2104	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1984		2105
1985	push @{ $ns->{query_queue} }, @$queue;	2106	push @{ $ns->{query_queue} }, @$queue;
1986		2107
1987	if (@{ $ns->{query_queue} } == @$queue) {	2108	if (@{ $ns->{query_queue} } == @$queue) {
1988	if (@$queue) {	2109	if (@$queue) {
…		…
2046		2167
2047	# here we export the classes and methods available to script code	2168	# here we export the classes and methods available to script code
2048		2169
2049	=pod	2170	=pod
2050		2171
2051	The following fucntions and emthods are available within a safe environment:	2172	The following functions and methods are available within a safe environment:
2052		2173
2053	cf::object contr pay_amount pay_player map	2174	cf::object contr pay_amount pay_player map
2054	cf::object::player player	2175	cf::object::player player
2055	cf::player peaceful	2176	cf::player peaceful
2056	cf::map trigger	2177	cf::map trigger
…		…
2149	The parameter C<$family> should best start with the name of the extension	2270	The parameter C<$family> should best start with the name of the extension
2150	using it, it should be unique.	2271	using it, it should be unique.
2151		2272
2152	=over 4	2273	=over 4
2153		2274
2154	=item $hashref = cf::db_get $family
2155
2156	Return a hashref for use by the extension C<$family>, which can be
2157	modified. After modifications, you have to call C<cf::db_dirty> or
2158	C<cf::db_sync>.
2159
2160	=item $value = cf::db_get $family => $key	2275	=item $value = cf::db_get $family => $key
2161		2276
2162	Returns a single value from the database	2277	Returns a single value from the database.
2163
2164	=item cf::db_put $family => $hashref
2165
2166	Stores the given family hashref into the database. Updates are delayed, if
2167	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2168		2278
2169	=item cf::db_put $family => $key => $value	2279	=item cf::db_put $family => $key => $value
2170		2280
2171	Stores the given C<$value> in the family hash. Updates are delayed, if you	2281	Stores the given C<$value> in the family.
2172	want the data to be synced to disk immediately, use C<cf::db_sync>.
2173
2174	=item cf::db_dirty
2175
2176	Marks the database as dirty, to be updated at a later time.
2177
2178	=item cf::db_sync
2179
2180	Immediately write the database to disk I<if it is dirty>.
2181		2282
2182	=cut	2283	=cut
2183		2284
2184	our $DB;	2285	our $DB;
2185		2286
2186	{	2287	sub db_init {
		2288	unless ($DB) {
		2289	$DB = BDB::db_create $DB_ENV;
		2290
		2291	cf::sync_job {
		2292	eval {
		2293	$DB->set_flags (BDB::CHKSUM);
		2294
		2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2296	BDB::CREATE \| BDB::AUTO_COMMIT, 0666;
		2297	cf::cleanup "db_open(db): $!" if $!;
		2298	};
		2299	cf::cleanup "db_open(db): $@" if $@;
		2300	};
		2301
2187	my $path = cf::localdir . "/database.pst";	2302	my $path = cf::localdir . "/database.pst";
		2303	if (stat $path) {
		2304	cf::sync_job {
		2305	my $pst = Storable::retrieve $path;
2188		2306
2189	sub db_load() {	2307	cf::db_put (board => data => $pst->{board});
2190	$DB = stat $path ? Storable::retrieve $path : { };	2308	cf::db_put (guildrules => data => $pst->{guildrules});
2191	}	2309	cf::db_put (rent => balance => $pst->{rent}{balance});
		2310	BDB::db_env_txn_checkpoint $DB_ENV;
2192		2311
2193	my $pid;	2312	unlink $path;
2194
2195	sub db_save() {
2196	waitpid $pid, 0 if $pid;
2197	if (0 == ($pid = fork)) {
2198	$DB->{_meta}{version} = 1;
2199	Storable::nstore $DB, "$path~";
2200	rename "$path~", $path;
2201	cf::_exit 0 if defined $pid;
2202	}	2313	};
2203	}
2204
2205	my $dirty;
2206
2207	sub db_sync() {
2208	db_save if $dirty;
2209	undef $dirty;
2210	}
2211
2212	my $idle = Event->idle (
2213	reentrant => 0,
2214	min => 10,
2215	max => 20,
2216	repeat => 0,
2217	data => WF_AUTOCANCEL,
2218	cb => \&db_sync,
2219	);
2220
2221	sub db_dirty() {
2222	$dirty = 1;
2223	$idle->start;
2224	}
2225
2226	sub db_get($;$) {
2227	@_ >= 2
2228	? $DB->{$_[0]}{$_[1]}
2229	: ($DB->{$_[0]} \|\|= { })
2230	}
2231
2232	sub db_put($$;$) {
2233	if (@_ >= 3) {
2234	$DB->{$_[0]}{$_[1]} = $_[2];
2235	} else {
2236	$DB->{$_[0]} = $_[1];
2237	}
2238	db_dirty;
2239	}
2240
2241	cf::global->attach (
2242	prio => 10000,
2243	on_cleanup => sub {
2244	db_sync;
2245	},	2314	}
2246	);	2315	}
		2316	}
		2317
		2318	sub db_get($$) {
		2319	my $key = "$_[0]/$_[1]";
		2320
		2321	cf::sync_job {
		2322	BDB::db_get $DB, undef, $key, my $data;
		2323
		2324	$! ? ()
		2325	: Compress::LZF::sthaw $data
		2326	}
		2327	}
		2328
		2329	sub db_put($$$) {
		2330	BDB::dbreq_pri 4;
		2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2332	}
		2333
		2334	=item cf::cache $id => ...
		2335
		2336	Generic caching function that returns the value of the resource $id,
		2337	caching and regenerating as required.
		2338
		2339	This function can block.
		2340
		2341	source => filename returning the data (must be a scalar)
		2342	expensive => true == try to cache harder
		2343	filter => sub that processes the data into a scalar
		2344
		2345	=cut
		2346
		2347	sub cache {
		2348	my ($id, %arg) = @_;
		2349
		2350	aio_stat $arg{source}
		2351	and Carp::croak "$arg{source}: $!";
		2352
		2353	my $meta = join ":", (stat _)[7,9];
		2354	my $md5;
		2355
		2356	if ($arg{expensive}) {
		2357	0 <= aio_load $arg{source}, my $buf
		2358	or Carp::croak "$arg{source}: $!";
		2359
		2360	$md5 = Digest::MD5::md5_hex $buf;
		2361	}
		2362
		2363	my $dbmeta = db_get "$id/meta";
		2364	if ($dbmeta ne $meta) {
		2365	# changed, we need to process
		2366	} else {
		2367	# just fetch
		2368	}
		2369
		2370
2247	}	2371	}
2248		2372
2249	#############################################################################	2373	#############################################################################
2250	# the server's main()	2374	# the server's init and main functions
		2375
		2376	sub load_facedata($) {
		2377	my ($path) = @_;
		2378
		2379	warn "loading facedata from $path\n";
		2380
		2381	my $facedata;
		2382	0 < aio_load $path, $facedata
		2383	or die "$path: $!";
		2384
		2385	$facedata = Coro::Storable::thaw $facedata;
		2386
		2387	$facedata->{version} == 2
		2388	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2389
		2390	{
		2391	my $faces = $facedata->{faceinfo};
		2392
		2393	while (my ($face, $info) = each %$faces) {
		2394	my $idx = (cf::face::find $face) \|\| cf::face::alloc $face;
		2395	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2396	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2397	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2398	Coro::cede;
		2399	}
		2400
		2401	while (my ($face, $info) = each %$faces) {
		2402	next unless $info->{smooth};
		2403	my $idx = cf::face::find $face
		2404	or next;
		2405	if (my $smooth = cf::face::find $info->{smooth}) {
		2406	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2407	} else {
		2408	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2409	}
		2410	Coro::cede;
		2411	}
		2412	}
		2413
		2414	{
		2415	my $anims = $facedata->{animinfo};
		2416
		2417	while (my ($anim, $info) = each %$anims) {
		2418	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2419	Coro::cede;
		2420	}
		2421
		2422	cf::anim::invalidate_all; # d'oh
		2423	}
		2424
		2425	1
		2426	}
		2427
		2428	sub reload_facedata {
		2429	load_facedata sprintf "%s/facedata", cf::datadir
		2430	or die "unable to load facedata\n";
		2431	}
		2432
		2433	sub reload_regions {
		2434	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2435	or die "unable to load regions file\n";
		2436	}
		2437
		2438	sub reload_archetypes {
		2439	load_resource_file sprintf "%s/archetypes", cf::datadir
		2440	or die "unable to load archetypes\n";
		2441	}
		2442
		2443	sub reload_treasures {
		2444	load_resource_file sprintf "%s/treasures", cf::datadir
		2445	or die "unable to load treasurelists\n";
		2446	}
		2447
		2448	sub reload_resources {
		2449	warn "reloading resource files...\n";
		2450
		2451	reload_regions;
		2452	reload_facedata;
		2453	reload_archetypes;
		2454	reload_treasures;
		2455
		2456	warn "finished reloading resource files\n";
		2457	}
		2458
		2459	sub init {
		2460	reload_resources;
		2461	}
2251		2462
2252	sub cfg_load {	2463	sub cfg_load {
2253	open my $fh, "<:utf8", cf::confdir . "/config"	2464	open my $fh, "<:utf8", cf::confdir . "/config"
2254	or return;	2465	or return;
2255		2466
…		…
2278	Event::one_event;	2489	Event::one_event;
2279	})->prio (Coro::PRIO_MAX);	2490	})->prio (Coro::PRIO_MAX);
2280	};	2491	};
2281		2492
2282	cfg_load;	2493	cfg_load;
2283	db_load;	2494	db_init;
2284	load_extensions;	2495	load_extensions;
2285		2496
2286	$TICK_WATCHER->start;	2497	$TICK_WATCHER->start;
2287	Event::loop;	2498	Event::loop;
2288	}	2499	}
…		…
2327	my $map = $cf::MAP{$path} or next;	2538	my $map = $cf::MAP{$path} or next;
2328	$map->valid or next;	2539	$map->valid or next;
2329	$map->save;	2540	$map->save;
2330	}	2541	}
2331	warn "end emergency map save\n";	2542	warn "end emergency map save\n";
		2543
		2544	warn "begin emergency database checkpoint\n";
		2545	BDB::db_env_txn_checkpoint $DB_ENV;
		2546	warn "end emergency database checkpoint\n";
2332	};	2547	};
2333		2548
2334	warn "leave emergency perl save\n";	2549	warn "leave emergency perl save\n";
2335	}	2550	}
2336		2551
		2552	sub post_cleanup {
		2553	my ($make_core) = @_;
		2554
		2555	warn Carp::longmess "post_cleanup backtrace"
		2556	if $make_core;
		2557	}
		2558
2337	sub reload() {	2559	sub do_reload_perl() {
2338	# can/must only be called in main	2560	# can/must only be called in main
2339	if ($Coro::current != $Coro::main) {	2561	if ($Coro::current != $Coro::main) {
2340	warn "can only reload from main coroutine";	2562	warn "can only reload from main coroutine";
2341	return;	2563	return;
2342	}	2564	}
2343		2565
2344	warn "reloading...";	2566	warn "reloading...";
2345		2567
2346	warn "cancelling server ticker";	2568	warn "entering sync_job";
2347	$TICK_WATCHER->cancel;
2348		2569
		2570	cf::sync_job {
		2571	cf::write_runtime; # external watchdog should not bark
2349	cf::emergency_save;	2572	cf::emergency_save;
		2573	cf::write_runtime; # external watchdog should not bark
2350		2574
2351	eval {	2575	warn "syncing database to disk";
		2576	BDB::db_env_txn_checkpoint $DB_ENV;
		2577
2352	# if anything goes wrong in here, we should simply crash as we already saved	2578	# if anything goes wrong in here, we should simply crash as we already saved
2353
2354	warn "syncing database to disk";
2355	cf::db_sync;
2356		2579
2357	warn "cancelling all WF_AUTOCANCEL watchers";	2580	warn "cancelling all WF_AUTOCANCEL watchers";
2358	for (Event::all_watchers) {	2581	for (Event::all_watchers) {
2359	$_->cancel if $_->data & WF_AUTOCANCEL;	2582	$_->cancel if $_->data & WF_AUTOCANCEL;
2360	}	2583	}
2361		2584
2362	warn "flushing outstanding aio requests";	2585	warn "flushing outstanding aio requests";
2363	for (;;) {	2586	for (;;) {
		2587	BDB::flush;
2364	IO::AIO::flush;	2588	IO::AIO::flush;
2365	Coro::cede;	2589	Coro::cede;
2366	last unless IO::AIO::nreqs;	2590	last unless IO::AIO::nreqs \|\| BDB::nreqs;
2367	warn "iterate...";	2591	warn "iterate...";
2368	}	2592	}
		2593
		2594	++$RELOAD;
2369		2595
2370	warn "cancelling all extension coros";	2596	warn "cancelling all extension coros";
2371	$_->cancel for values %EXT_CORO;	2597	$_->cancel for values %EXT_CORO;
2372	%EXT_CORO = ();	2598	%EXT_CORO = ();
2373		2599
…		…
2426	require cf;	2652	require cf;
2427	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2653	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2428		2654
2429	warn "loading config and database again";	2655	warn "loading config and database again";
2430	cf::cfg_load;	2656	cf::cfg_load;
2431	cf::db_load;
2432		2657
2433	warn "loading extensions";	2658	warn "loading extensions";
2434	cf::load_extensions;	2659	cf::load_extensions;
2435		2660
2436	warn "reattaching attachments to objects/players";	2661	warn "reattaching attachments to objects/players";
2437	_global_reattach;	2662	_global_reattach; # objects, sockets
2438	warn "reattaching attachments to maps";	2663	warn "reattaching attachments to maps";
2439	reattach $_ for values %MAP;	2664	reattach $_ for values %MAP;
		2665	warn "reattaching attachments to players";
		2666	reattach $_ for values %PLAYER;
2440		2667
2441	warn "restarting server ticker";	2668	warn "leaving sync_job";
2442		2669
2443	$TICK_WATCHER->start;	2670	1
2444	};	2671	} or do {
2445
2446	if ($@) {
2447	warn $@;	2672	warn $@;
2448	warn "error while reloading, exiting.";	2673	warn "error while reloading, exiting.";
2449	exit 1;	2674	exit 1;
2450	}	2675	};
2451		2676
2452	warn "reloaded";	2677	warn "reloaded";
2453	};	2678	};
2454		2679
2455	our $RELOAD_WATCHER; # used only during reload	2680	our $RELOAD_WATCHER; # used only during reload
2456		2681
		2682	sub reload_perl() {
		2683	# doing reload synchronously and two reloads happen back-to-back,
		2684	# coro crashes during coro_state_free->destroy here.
		2685
		2686	$RELOAD_WATCHER \|\|= Event->timer (
		2687	reentrant => 0,
		2688	after => 0,
		2689	data => WF_AUTOCANCEL,
		2690	cb => sub {
		2691	do_reload_perl;
		2692	undef $RELOAD_WATCHER;
		2693	},
		2694	);
		2695	}
		2696
2457	register_command "reload" => sub {	2697	register_command "reload" => sub {
2458	my ($who, $arg) = @_;	2698	my ($who, $arg) = @_;
2459		2699
2460	if ($who->flag (FLAG_WIZ)) {	2700	if ($who->flag (FLAG_WIZ)) {
2461	$who->message ("reloading server.");	2701	$who->message ("reloading server.");
2462		2702	async { reload_perl };
2463	# doing reload synchronously and two reloads happen back-to-back,
2464	# coro crashes during coro_state_free->destroy here.
2465
2466	$RELOAD_WATCHER \|\|= Event->timer (
2467	reentrant => 0,
2468	after => 0,
2469	data => WF_AUTOCANCEL,
2470	cb => sub {
2471	reload;
2472	undef $RELOAD_WATCHER;
2473	},
2474	);
2475	}	2703	}
2476	};	2704	};
2477		2705
2478	unshift @INC, $LIBDIR;	2706	unshift @INC, $LIBDIR;
2479		2707
2480	my $bug_warning = 0;	2708	my $bug_warning = 0;
		2709
		2710	our @WAIT_FOR_TICK;
		2711	our @WAIT_FOR_TICK_BEGIN;
		2712
		2713	sub wait_for_tick {
		2714	return unless $TICK_WATCHER->is_active;
		2715	return if $Coro::current == $Coro::main;
		2716
		2717	my $signal = new Coro::Signal;
		2718	push @WAIT_FOR_TICK, $signal;
		2719	$signal->wait;
		2720	}
		2721
		2722	sub wait_for_tick_begin {
		2723	return unless $TICK_WATCHER->is_active;
		2724	return if $Coro::current == $Coro::main;
		2725
		2726	my $signal = new Coro::Signal;
		2727	push @WAIT_FOR_TICK_BEGIN, $signal;
		2728	$signal->wait;
		2729	}
2481		2730
2482	$TICK_WATCHER = Event->timer (	2731	$TICK_WATCHER = Event->timer (
2483	reentrant => 0,	2732	reentrant => 0,
2484	parked => 1,	2733	parked => 1,
2485	prio => 0,	2734	prio => 0,
…		…
2493	}	2742	}
2494		2743
2495	$NOW = Event::time;	2744	$NOW = Event::time;
2496		2745
2497	cf::server_tick; # one server iteration	2746	cf::server_tick; # one server iteration
		2747
2498	$RUNTIME += $TICK;	2748	$RUNTIME += $TICK;
2499	$NEXT_TICK += $TICK;	2749	$NEXT_TICK += $TICK;
2500		2750
2501	$WAIT_FOR_TICK->broadcast;	2751	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2502	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2752	$NEXT_RUNTIME_WRITE = $NOW + 10;
2503		2753	Coro::async_pool {
2504	Event::sweep;	2754	write_runtime
2505	Coro::cede_notself;	2755	or warn "ERROR: unable to write runtime file: $!";
		2756	};
2506		2757	}
		2758
2507	# my $AFTER = Event::time;	2759	# my $AFTER = Event::time;
2508	# warn $AFTER - $NOW;#d#	2760	# warn $AFTER - $NOW;#d#
2509		2761
2510	# if we are delayed by four ticks or more, skip them all	2762	# if we are delayed by four ticks or more, skip them all
2511	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2763	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2512		2764
2513	$TICK_WATCHER->at ($NEXT_TICK);	2765	$TICK_WATCHER->at ($NEXT_TICK);
2514	$TICK_WATCHER->start;	2766	$TICK_WATCHER->start;
		2767
		2768	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2769	$sig->send;
		2770	}
		2771	while (my $sig = shift @WAIT_FOR_TICK) {
		2772	$sig->send;
		2773	}
		2774
		2775	_post_tick;
2515	},	2776	},
2516	);	2777	);
2517		2778
		2779	{
		2780	BDB::max_poll_time $TICK * 0.1;
		2781	$BDB_POLL_WATCHER = Event->io (
		2782	reentrant => 0,
		2783	fd => BDB::poll_fileno,
		2784	poll => 'r',
		2785	prio => 0,
		2786	data => WF_AUTOCANCEL,
		2787	cb => \&BDB::poll_cb,
		2788	);
		2789	BDB::min_parallel 8;
		2790
		2791	BDB::set_sync_prepare {
		2792	my $status;
		2793	my $current = $Coro::current;
		2794	(
		2795	sub {
		2796	$status = $!;
		2797	$current->ready; undef $current;
		2798	},
		2799	sub {
		2800	Coro::schedule while defined $current;
		2801	$! = $status;
		2802	},
		2803	)
		2804	};
		2805
		2806	unless ($DB_ENV) {
		2807	$DB_ENV = BDB::db_env_create;
		2808
		2809	cf::sync_job {
		2810	eval {
		2811	BDB::db_env_open
		2812	$DB_ENV,
		2813	$BDB_ENV_DIR,
		2814	BDB::INIT_LOCK \| BDB::INIT_LOG \| BDB::INIT_MPOOL \| BDB::INIT_TXN
		2815	\| BDB::RECOVER \| BDB::REGISTER \| BDB::USE_ENVIRON \| BDB::CREATE,
		2816	0666;
		2817
		2818	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2819
		2820	$DB_ENV->set_flags (BDB::AUTO_COMMIT \| BDB::REGION_INIT \| BDB::TXN_NOSYNC, 1);
		2821	$DB_ENV->set_lk_detect;
		2822	};
		2823
		2824	cf::cleanup "db_env_open(db): $@" if $@;
		2825	};
		2826	}
		2827	}
		2828
		2829	{
		2830	IO::AIO::min_parallel 8;
		2831
		2832	undef $Coro::AIO::WATCHER;
2518	IO::AIO::max_poll_time $TICK * 0.1;	2833	IO::AIO::max_poll_time $TICK * 0.1;
2519
2520	undef $Coro::AIO::WATCHER;
2521	$AIO_POLL_WATCHER = Event->io (	2834	$AIO_POLL_WATCHER = Event->io (
2522	reentrant => 0,	2835	reentrant => 0,
		2836	data => WF_AUTOCANCEL,
2523	fd => IO::AIO::poll_fileno,	2837	fd => IO::AIO::poll_fileno,
2524	poll => 'r',	2838	poll => 'r',
2525	prio => 6,	2839	prio => 6,
2526	data => WF_AUTOCANCEL,
2527	cb => \&IO::AIO::poll_cb,	2840	cb => \&IO::AIO::poll_cb,
2528	);	2841	);
		2842	}
2529		2843
2530	$WRITE_RUNTIME_WATCHER = Event->timer (	2844	# load additional modules
2531	reentrant => 0,	2845	use cf::pod;
2532	data => WF_AUTOCANCEL,
2533	after => 1,
2534	interval => 10,
2535	prio => 6, # keep it lowest so it acts like a watchdog
2536	cb => Coro::unblock_sub {
2537	write_runtime
2538	or warn "ERROR: unable to write runtime file: $!";
2539	},
2540	);
2541		2846
2542	END { cf::emergency_save }	2847	END { cf::emergency_save }
2543		2848
2544	1	2849	1
2545		2850

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.192 by root, Wed Jan 24 01:43:01 2007 UTC vs. Revision 1.249 by root, Wed Apr 18 12:43:54 2007 UTC

Diff Legend

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.192 by root, Wed Jan 24 01:43:01 2007 UTC vs.
Revision 1.249 by root, Wed Apr 18 12:43:54 2007 UTC