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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.198 by root, Sun Jan 28 01:58:37 2007 UTC vs.
Revision 1.251 by root, Wed Apr 18 14:45:13 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 3.5 ();	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
…		…
1178	sub normalise {	1264	sub normalise {
1179	my ($path, $base) = @_;	1265	my ($path, $base) = @_;
1180		1266
1181	$path = "$path"; # make sure its a string	1267	$path = "$path"; # make sure its a string
1182		1268
		1269	$path =~ s/\.map$//;
		1270
1183	# map plan:	1271	# map plan:
1184	#	1272	#
1185	# /! non-realised random map exit (special hack!)	1273	# /! non-realised random map exit (special hack!)
1186	# {... are special paths that are not being touched	1274	# {... are special paths that are not being touched
1187	# ?xxx/... are special absolute paths	1275	# ?xxx/... are special absolute paths
…		…
1248		1336
1249	# the original (read-only) location	1337	# the original (read-only) location
1250	sub load_path {	1338	sub load_path {
1251	my ($self) = @_;	1339	my ($self) = @_;
1252		1340
1253	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
1254	}	1342	}
1255		1343
1256	# the temporary/swap location	1344	# the temporary/swap location
1257	sub save_path {	1345	sub save_path {
1258	my ($self) = @_;	1346	my ($self) = @_;
1259		1347
1260	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1261	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
1262	}	1350	}
1263		1351
1264	# the unique path, undef == no special unique path	1352	# the unique path, undef == no special unique path
1265	sub uniq_path {	1353	sub uniq_path {
1266	my ($self) = @_;	1354	my ($self) = @_;
…		…
1288		1376
1289	sub load_header_from($) {	1377	sub load_header_from($) {
1290	my ($self, $path) = @_;	1378	my ($self, $path) = @_;
1291		1379
1292	utf8::encode $path;	1380	utf8::encode $path;
1293	aio_open $path, O_RDONLY, 0	1381	#aio_open $path, O_RDONLY, 0
1294	or return;	1382	# or return;
1295		1383
1296	$self->_load_header ($path)	1384	$self->_load_header ($path)
1297	or return;	1385	or return;
1298		1386
1299	$self->{load_path} = $path;	1387	$self->{load_path} = $path;
…		…
1341	$self->load_header_orig	1429	$self->load_header_orig
1342	or return;	1430	or return;
1343	$self->prepare_orig;	1431	$self->prepare_orig;
1344	}	1432	}
1345		1433
		1434	$self->default_region (cf::region::find_by_path $self->{path})
		1435	unless $self->default_region;
		1436
1346	1	1437	1
1347	}	1438	}
1348		1439
1349	sub find;	1440	sub find;
1350	sub find {	1441	sub find {
…		…
1392	$self->in_memory (cf::MAP_LOADING);	1483	$self->in_memory (cf::MAP_LOADING);
1393		1484
1394	$self->alloc;	1485	$self->alloc;
1395		1486
1396	$self->pre_load;	1487	$self->pre_load;
		1488	Coro::cede;
1397		1489
1398	$self->_load_objects ($self->{load_path}, 1)	1490	$self->_load_objects ($self->{load_path}, 1)
1399	or return;	1491	or return;
1400		1492
1401	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
…		…
1408	$self->_load_objects ($uniq, 0);	1500	$self->_load_objects ($uniq, 0);
1409	}	1501	}
1410	}	1502	}
1411		1503
1412	Coro::cede;	1504	Coro::cede;
1413
1414	# now do the right thing for maps	1505	# now do the right thing for maps
1415	$self->link_multipart_objects;	1506	$self->link_multipart_objects;
		1507	Coro::cede;
1416		1508
1417	unless ($self->{deny_activate}) {	1509	unless ($self->{deny_activate}) {
1418	$self->decay_objects;	1510	$self->decay_objects;
1419	$self->fix_auto_apply;	1511	$self->fix_auto_apply;
1420	$self->update_buttons;	1512	$self->update_buttons;
…		…
1422	$self->set_darkness_map;	1514	$self->set_darkness_map;
1423	$self->difficulty ($self->estimate_difficulty)	1515	$self->difficulty ($self->estimate_difficulty)
1424	unless $self->difficulty;	1516	unless $self->difficulty;
1425	Coro::cede;	1517	Coro::cede;
1426	$self->activate;	1518	$self->activate;
		1519	Coro::cede;
1427	}	1520	}
1428		1521
1429	$self->post_load;	1522	$self->post_load;
		1523	Coro::cede;
1430		1524
1431	$self->in_memory (cf::MAP_IN_MEMORY);	1525	$self->in_memory (cf::MAP_IN_MEMORY);
1432	}	1526	}
1433		1527
1434	sub customise_for {	1528	sub customise_for {
…		…
1579	return if $self->players;	1673	return if $self->players;
1580	return if $self->isa ("ext::map_per_player");#d#	1674	return if $self->isa ("ext::map_per_player");#d#
1581		1675
1582	warn "resetting map ", $self->path;#d#	1676	warn "resetting map ", $self->path;#d#
1583		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
1584	delete $cf::MAP{$self->path};	1688	delete $cf::MAP{$self->path};
1585		1689
1586	$self->in_memory (cf::MAP_SWAPPED);
1587	$self->clear;	1690	$self->clear;
1588		1691
1589	$_->clear_links_to ($self) for values %cf::MAP;	1692	$_->clear_links_to ($self) for values %cf::MAP;
1590		1693
1591	$self->unlink_save;	1694	$self->unlink_save;
…		…
1628	for (@$files) {	1731	for (@$files) {
1629	utf8::decode $_;	1732	utf8::decode $_;
1630	next if /\.pst$/;	1733	next if /\.pst$/;
1631	next unless /^$PATH_SEP/o;	1734	next unless /^$PATH_SEP/o;
1632		1735
1633	s/\.map$//;	1736	push @paths, cf::map::normalise $_;
1634	push @paths, $_;
1635	}	1737	}
1636		1738
1637	\@paths	1739	\@paths
1638	}	1740	}
1639		1741
…		…
1782	$map->load;	1884	$map->load;
1783	$map->load_diag;	1885	$map->load_diag;
1784		1886
1785	return unless $self->contr->active;	1887	return unless $self->contr->active;
1786	$self->activate_recursive;	1888	$self->activate_recursive;
		1889
		1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1787	$self->enter_map ($map, $x, $y);	1891	$self->enter_map ($map, $x, $y);
1788	}	1892	}
1789		1893
1790	cf::player->attach (	1894	cf::player->attach (
1791	on_logout => sub {	1895	on_logout => sub {
…		…
1804	# try to abort aborted map switching on player login :)	1908	# try to abort aborted map switching on player login :)
1805	# should happen only on crashes	1909	# should happen only on crashes
1806	if ($pl->ob->{_link_pos}) {	1910	if ($pl->ob->{_link_pos}) {
1807	$pl->ob->enter_link;	1911	$pl->ob->enter_link;
1808	(async {	1912	(async {
1809	# we need this sleep as the login has a concurrent enter_exit running
1810	# and this sleep increases chances of the player not ending up in scorn
1811	$pl->ob->reply (undef,	1913	$pl->ob->reply (undef,
1812	"There was an internal problem at your last logout, "	1914	"There was an internal problem at your last logout, "
1813	. "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.",
1814	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
1815	Coro::Timer::sleep 1;	1919	Coro::Timer::sleep 1;
1816	$pl->ob->leave_link;	1920	$pl->ob->leave_link;
1817	})->prio (2);	1921	})->prio (2);
1818	}	1922	}
1819	},	1923	},
…		…
1902		2006
1903	return unless $self->type == cf::PLAYER;	2007	return unless $self->type == cf::PLAYER;
1904		2008
1905	if ($exit->slaying eq "/!") {	2009	if ($exit->slaying eq "/!") {
1906	#TODO: this should de-fi-ni-te-ly not be a sync-job	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
1907	cf::sync_job { prepare_random_map $exit };	2013	cf::sync_job { prepare_random_map $exit };
1908	}	2014	}
1909		2015
1910	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2016	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1911	my $hp = $exit->stats->hp;	2017	my $hp = $exit->stats->hp;
…		…
1919	$self->goto ($slaying, $hp, $sp);	2025	$self->goto ($slaying, $hp, $sp);
1920		2026
1921	1;	2027	1;
1922	}) {	2028	}) {
1923	$self->message ("Something went wrong deep within the crossfire server. "	2029	$self->message ("Something went wrong deep within the crossfire server. "
1924	. "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. "
1925	. "Please report this to the dungeon master!",	2031	. "Please report this to the dungeon master!",
1926	cf::NDI_UNIQUE \| cf::NDI_RED);	2032	cf::NDI_UNIQUE \| cf::NDI_RED);
1927		2033
1928	warn "ERROR in enter_exit: $@";	2034	warn "ERROR in enter_exit: $@";
1929	$self->leave_link;	2035	$self->leave_link;
1930	}	2036	}
1931	})->prio (1);	2037	})->prio (1);
…		…
1944		2050
1945	sub cf::client::send_drawinfo {	2051	sub cf::client::send_drawinfo {
1946	my ($self, $text, $flags) = @_;	2052	my ($self, $text, $flags) = @_;
1947		2053
1948	utf8::encode $text;	2054	utf8::encode $text;
1949	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2055	$self->send_packet (sprintf "drawinfo %d %s", $flags \|\| cf::NDI_BLACK, $text);
1950	}	2056	}
1951		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	}
1952		2070
1953	=item $success = $client->query ($flags, "text", \&cb)	2071	=item $success = $client->query ($flags, "text", \&cb)
1954		2072
1955	Queues a query to the client, calling the given callback with	2073	Queues a query to the client, calling the given callback with
1956	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>,
…		…
1985	# get handled first	2103	# get handled first
1986	my $queue = delete $ns->{query_queue}	2104	my $queue = delete $ns->{query_queue}
1987	or return; # be conservative, not sure how that can happen, but we saw a crash here	2105	or return; # be conservative, not sure how that can happen, but we saw a crash here
1988		2106
1989	(shift @$queue)->[1]->($msg);	2107	(shift @$queue)->[1]->($msg);
		2108	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1990		2109
1991	push @{ $ns->{query_queue} }, @$queue;	2110	push @{ $ns->{query_queue} }, @$queue;
1992		2111
1993	if (@{ $ns->{query_queue} } == @$queue) {	2112	if (@{ $ns->{query_queue} } == @$queue) {
1994	if (@$queue) {	2113	if (@$queue) {
…		…
2052		2171
2053	# here we export the classes and methods available to script code	2172	# here we export the classes and methods available to script code
2054		2173
2055	=pod	2174	=pod
2056		2175
2057	The following fucntions and emthods are available within a safe environment:	2176	The following functions and methods are available within a safe environment:
2058		2177
2059	cf::object contr pay_amount pay_player map	2178	cf::object contr pay_amount pay_player map
2060	cf::object::player player	2179	cf::object::player player
2061	cf::player peaceful	2180	cf::player peaceful
2062	cf::map trigger	2181	cf::map trigger
…		…
2147	#############################################################################	2266	#############################################################################
2148		2267
2149	=head2 EXTENSION DATABASE SUPPORT	2268	=head2 EXTENSION DATABASE SUPPORT
2150		2269
2151	Crossfire maintains a very simple database for extension use. It can	2270	Crossfire maintains a very simple database for extension use. It can
2152	currently store anything that can be serialised using Storable, which	2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2153	excludes objects.	2272	convert to/from binary).
2154		2273
2155	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
2156	using it, it should be unique.	2275	using it, it should be unique.
2157		2276
2158	=over 4	2277	=over 4
2159		2278
2160	=item $hashref = cf::db_get $family
2161
2162	Return a hashref for use by the extension C<$family>, which can be
2163	modified. After modifications, you have to call C<cf::db_dirty> or
2164	C<cf::db_sync>.
2165
2166	=item $value = cf::db_get $family => $key	2279	=item $value = cf::db_get $family => $key
2167		2280
2168	Returns a single value from the database	2281	Returns a single value from the database.
2169
2170	=item cf::db_put $family => $hashref
2171
2172	Stores the given family hashref into the database. Updates are delayed, if
2173	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2174		2282
2175	=item cf::db_put $family => $key => $value	2283	=item cf::db_put $family => $key => $value
2176		2284
2177	Stores the given C<$value> in the family hash. Updates are delayed, if you	2285	Stores the given C<$value> in the family.
2178	want the data to be synced to disk immediately, use C<cf::db_sync>.
2179
2180	=item cf::db_dirty
2181
2182	Marks the database as dirty, to be updated at a later time.
2183
2184	=item cf::db_sync
2185
2186	Immediately write the database to disk I<if it is dirty>.
2187		2286
2188	=cut	2287	=cut
2189		2288
2190	our $DB;	2289	our $DB;
2191		2290
2192	{	2291	sub db_init {
2193	my $path = cf::localdir . "/database.pst";	2292	unless ($DB) {
		2293	$DB = BDB::db_create $DB_ENV;
2194		2294
2195	sub db_load() {	2295	cf::sync_job {
2196	$DB = stat $path ? Storable::retrieve $path : { };	2296	eval {
2197	}	2297	$DB->set_flags (BDB::CHKSUM);
2198		2298
2199	my $pid;	2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2200		2300	BDB::CREATE \| BDB::AUTO_COMMIT, 0666;
2201	sub db_save() {	2301	cf::cleanup "db_open(db): $!" if $!;
2202	waitpid $pid, 0 if $pid;	2302	};
2203	if (0 == ($pid = fork)) {	2303	cf::cleanup "db_open(db): $@" if $@;
2204	$DB->{_meta}{version} = 1;
2205	Storable::nstore $DB, "$path~";
2206	rename "$path~", $path;
2207	cf::_exit 0 if defined $pid;
2208	}	2304	};
2209	}	2305	}
		2306	}
2210		2307
2211	my $dirty;
2212
2213	sub db_sync() {
2214	db_save if $dirty;
2215	undef $dirty;
2216	}
2217
2218	my $idle = Event->idle (
2219	reentrant => 0,
2220	min => 10,
2221	max => 20,
2222	repeat => 0,
2223	data => WF_AUTOCANCEL,
2224	cb => \&db_sync,
2225	);
2226
2227	sub db_dirty() {
2228	$dirty = 1;
2229	$idle->start;
2230	}
2231
2232	sub db_get($;$) {	2308	sub db_get($$) {
2233	@_ >= 2	2309	my $key = "$_[0]/$_[1]";
2234	? $DB->{$_[0]}{$_[1]}
2235	: ($DB->{$_[0]} \|\|= { })
2236	}
2237		2310
		2311	cf::sync_job {
		2312	BDB::db_get $DB, undef, $key, my $data;
		2313
		2314	$! ? ()
		2315	: $data
		2316	}
		2317	}
		2318
2238	sub db_put($$;$) {	2319	sub db_put($$$) {
2239	if (@_ >= 3) {	2320	BDB::dbreq_pri 4;
2240	$DB->{$_[0]}{$_[1]} = $_[2];	2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2241	} else {	2322	}
2242	$DB->{$_[0]} = $_[1];
2243	}
2244	db_dirty;
2245	}
2246		2323
2247	cf::global->attach (	2324	=item cf::cache $id => [$paths...], $processversion => $process
2248	prio => 10000,	2325
2249	on_cleanup => sub {	2326	Generic caching function that returns the value of the resource $id,
2250	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->[$_]: $!";
2251	},	2356	}
2252	);	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"
2253	}	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	local $SIG{__WARN__};
		2420	eval {
		2421	local $SIG{__DIE__};
		2422	close $fh1;
		2423
		2424	my @res = eval { $cb->(@args) };
		2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2426	};
		2427
		2428	warn $@ if $@;
		2429	_exit 0;
		2430	}
		2431	}
		2432
		2433
2254		2434
2255	#############################################################################	2435	#############################################################################
2256	# the server's main()	2436	# the server's init and main functions
		2437
		2438	sub load_facedata($) {
		2439	my ($path) = @_;
		2440
		2441	warn "loading facedata from $path\n";
		2442
		2443	my $facedata;
		2444	0 < aio_load $path, $facedata
		2445	or die "$path: $!";
		2446
		2447	$facedata = Coro::Storable::thaw $facedata;
		2448
		2449	$facedata->{version} == 2
		2450	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2451
		2452	{
		2453	my $faces = $facedata->{faceinfo};
		2454
		2455	while (my ($face, $info) = each %$faces) {
		2456	my $idx = (cf::face::find $face) \|\| cf::face::alloc $face;
		2457	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2458	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2459	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2460	Coro::cede;
		2461	}
		2462
		2463	while (my ($face, $info) = each %$faces) {
		2464	next unless $info->{smooth};
		2465	my $idx = cf::face::find $face
		2466	or next;
		2467	if (my $smooth = cf::face::find $info->{smooth}) {
		2468	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2469	} else {
		2470	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2471	}
		2472	Coro::cede;
		2473	}
		2474	}
		2475
		2476	{
		2477	my $anims = $facedata->{animinfo};
		2478
		2479	while (my ($anim, $info) = each %$anims) {
		2480	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2481	Coro::cede;
		2482	}
		2483
		2484	cf::anim::invalidate_all; # d'oh
		2485	}
		2486
		2487	1
		2488	}
		2489
		2490	sub reload_facedata {
		2491	load_facedata sprintf "%s/facedata", cf::datadir
		2492	or die "unable to load facedata\n";
		2493	}
		2494
		2495	sub reload_regions {
		2496	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2497	or die "unable to load regions file\n";
		2498	}
		2499
		2500	sub reload_archetypes {
		2501	load_resource_file sprintf "%s/archetypes", cf::datadir
		2502	or die "unable to load archetypes\n";
		2503	}
		2504
		2505	sub reload_treasures {
		2506	load_resource_file sprintf "%s/treasures", cf::datadir
		2507	or die "unable to load treasurelists\n";
		2508	}
		2509
		2510	sub reload_resources {
		2511	warn "reloading resource files...\n";
		2512
		2513	reload_regions;
		2514	reload_facedata;
		2515	reload_archetypes;
		2516	reload_treasures;
		2517
		2518	warn "finished reloading resource files\n";
		2519	}
		2520
		2521	sub init {
		2522	reload_resources;
		2523	}
2257		2524
2258	sub cfg_load {	2525	sub cfg_load {
2259	open my $fh, "<:utf8", cf::confdir . "/config"	2526	open my $fh, "<:utf8", cf::confdir . "/config"
2260	or return;	2527	or return;
2261		2528
…		…
2284	Event::one_event;	2551	Event::one_event;
2285	})->prio (Coro::PRIO_MAX);	2552	})->prio (Coro::PRIO_MAX);
2286	};	2553	};
2287		2554
2288	cfg_load;	2555	cfg_load;
2289	db_load;	2556	db_init;
2290	load_extensions;	2557	load_extensions;
2291		2558
2292	$TICK_WATCHER->start;	2559	$TICK_WATCHER->start;
2293	Event::loop;	2560	Event::loop;
2294	}	2561	}
…		…
2333	my $map = $cf::MAP{$path} or next;	2600	my $map = $cf::MAP{$path} or next;
2334	$map->valid or next;	2601	$map->valid or next;
2335	$map->save;	2602	$map->save;
2336	}	2603	}
2337	warn "end emergency map save\n";	2604	warn "end emergency map save\n";
		2605
		2606	warn "begin emergency database checkpoint\n";
		2607	BDB::db_env_txn_checkpoint $DB_ENV;
		2608	warn "end emergency database checkpoint\n";
2338	};	2609	};
2339		2610
2340	warn "leave emergency perl save\n";	2611	warn "leave emergency perl save\n";
2341	}	2612	}
2342		2613
		2614	sub post_cleanup {
		2615	my ($make_core) = @_;
		2616
		2617	warn Carp::longmess "post_cleanup backtrace"
		2618	if $make_core;
		2619	}
		2620
2343	sub reload() {	2621	sub do_reload_perl() {
2344	# can/must only be called in main	2622	# can/must only be called in main
2345	if ($Coro::current != $Coro::main) {	2623	if ($Coro::current != $Coro::main) {
2346	warn "can only reload from main coroutine";	2624	warn "can only reload from main coroutine";
2347	return;	2625	return;
2348	}	2626	}
2349		2627
2350	warn "reloading...";	2628	warn "reloading...";
2351		2629
2352	warn "cancelling server ticker";	2630	warn "entering sync_job";
2353	$TICK_WATCHER->cancel;
2354		2631
		2632	cf::sync_job {
		2633	cf::write_runtime; # external watchdog should not bark
2355	cf::emergency_save;	2634	cf::emergency_save;
		2635	cf::write_runtime; # external watchdog should not bark
2356		2636
2357	eval {	2637	warn "syncing database to disk";
		2638	BDB::db_env_txn_checkpoint $DB_ENV;
		2639
2358	# if anything goes wrong in here, we should simply crash as we already saved	2640	# if anything goes wrong in here, we should simply crash as we already saved
2359
2360	warn "syncing database to disk";
2361	cf::db_sync;
2362		2641
2363	warn "cancelling all WF_AUTOCANCEL watchers";	2642	warn "cancelling all WF_AUTOCANCEL watchers";
2364	for (Event::all_watchers) {	2643	for (Event::all_watchers) {
2365	$_->cancel if $_->data & WF_AUTOCANCEL;	2644	$_->cancel if $_->data & WF_AUTOCANCEL;
2366	}	2645	}
2367		2646
2368	warn "flushing outstanding aio requests";	2647	warn "flushing outstanding aio requests";
2369	for (;;) {	2648	for (;;) {
		2649	BDB::flush;
2370	IO::AIO::flush;	2650	IO::AIO::flush;
2371	Coro::cede;	2651	Coro::cede;
2372	last unless IO::AIO::nreqs;	2652	last unless IO::AIO::nreqs \|\| BDB::nreqs;
2373	warn "iterate...";	2653	warn "iterate...";
2374	}	2654	}
		2655
		2656	++$RELOAD;
2375		2657
2376	warn "cancelling all extension coros";	2658	warn "cancelling all extension coros";
2377	$_->cancel for values %EXT_CORO;	2659	$_->cancel for values %EXT_CORO;
2378	%EXT_CORO = ();	2660	%EXT_CORO = ();
2379		2661
…		…
2432	require cf;	2714	require cf;
2433	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2715	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2434		2716
2435	warn "loading config and database again";	2717	warn "loading config and database again";
2436	cf::cfg_load;	2718	cf::cfg_load;
2437	cf::db_load;
2438		2719
2439	warn "loading extensions";	2720	warn "loading extensions";
2440	cf::load_extensions;	2721	cf::load_extensions;
2441		2722
2442	warn "reattaching attachments to objects/players";	2723	warn "reattaching attachments to objects/players";
2443	_global_reattach;	2724	_global_reattach; # objects, sockets
2444	warn "reattaching attachments to maps";	2725	warn "reattaching attachments to maps";
2445	reattach $_ for values %MAP;	2726	reattach $_ for values %MAP;
		2727	warn "reattaching attachments to players";
		2728	reattach $_ for values %PLAYER;
2446		2729
2447	warn "restarting server ticker";	2730	warn "leaving sync_job";
2448		2731
2449	$TICK_WATCHER->start;	2732	1
2450	};	2733	} or do {
2451
2452	if ($@) {
2453	warn $@;	2734	warn $@;
2454	warn "error while reloading, exiting.";	2735	warn "error while reloading, exiting.";
2455	exit 1;	2736	exit 1;
2456	}	2737	};
2457		2738
2458	warn "reloaded";	2739	warn "reloaded";
2459	};	2740	};
2460		2741
2461	our $RELOAD_WATCHER; # used only during reload	2742	our $RELOAD_WATCHER; # used only during reload
2462		2743
		2744	sub reload_perl() {
		2745	# doing reload synchronously and two reloads happen back-to-back,
		2746	# coro crashes during coro_state_free->destroy here.
		2747
		2748	$RELOAD_WATCHER \|\|= Event->timer (
		2749	reentrant => 0,
		2750	after => 0,
		2751	data => WF_AUTOCANCEL,
		2752	cb => sub {
		2753	do_reload_perl;
		2754	undef $RELOAD_WATCHER;
		2755	},
		2756	);
		2757	}
		2758
2463	register_command "reload" => sub {	2759	register_command "reload" => sub {
2464	my ($who, $arg) = @_;	2760	my ($who, $arg) = @_;
2465		2761
2466	if ($who->flag (FLAG_WIZ)) {	2762	if ($who->flag (FLAG_WIZ)) {
2467	$who->message ("reloading server.");	2763	$who->message ("reloading server.");
2468		2764	async { reload_perl };
2469	# doing reload synchronously and two reloads happen back-to-back,
2470	# coro crashes during coro_state_free->destroy here.
2471
2472	$RELOAD_WATCHER \|\|= Event->timer (
2473	reentrant => 0,
2474	after => 0,
2475	data => WF_AUTOCANCEL,
2476	cb => sub {
2477	reload;
2478	undef $RELOAD_WATCHER;
2479	},
2480	);
2481	}	2765	}
2482	};	2766	};
2483		2767
2484	unshift @INC, $LIBDIR;	2768	unshift @INC, $LIBDIR;
2485		2769
2486	my $bug_warning = 0;	2770	my $bug_warning = 0;
		2771
		2772	our @WAIT_FOR_TICK;
		2773	our @WAIT_FOR_TICK_BEGIN;
		2774
		2775	sub wait_for_tick {
		2776	return unless $TICK_WATCHER->is_active;
		2777	return if $Coro::current == $Coro::main;
		2778
		2779	my $signal = new Coro::Signal;
		2780	push @WAIT_FOR_TICK, $signal;
		2781	$signal->wait;
		2782	}
		2783
		2784	sub wait_for_tick_begin {
		2785	return unless $TICK_WATCHER->is_active;
		2786	return if $Coro::current == $Coro::main;
		2787
		2788	my $signal = new Coro::Signal;
		2789	push @WAIT_FOR_TICK_BEGIN, $signal;
		2790	$signal->wait;
		2791	}
2487		2792
2488	$TICK_WATCHER = Event->timer (	2793	$TICK_WATCHER = Event->timer (
2489	reentrant => 0,	2794	reentrant => 0,
2490	parked => 1,	2795	parked => 1,
2491	prio => 0,	2796	prio => 0,
…		…
2499	}	2804	}
2500		2805
2501	$NOW = Event::time;	2806	$NOW = Event::time;
2502		2807
2503	cf::server_tick; # one server iteration	2808	cf::server_tick; # one server iteration
		2809
2504	$RUNTIME += $TICK;	2810	$RUNTIME += $TICK;
2505	$NEXT_TICK += $TICK;	2811	$NEXT_TICK += $TICK;
2506		2812
2507	$WAIT_FOR_TICK->broadcast;	2813	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2508	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2814	$NEXT_RUNTIME_WRITE = $NOW + 10;
2509		2815	Coro::async_pool {
2510	Event::sweep;	2816	write_runtime
2511	Coro::cede_notself;	2817	or warn "ERROR: unable to write runtime file: $!";
		2818	};
2512		2819	}
		2820
2513	# my $AFTER = Event::time;	2821	# my $AFTER = Event::time;
2514	# warn $AFTER - $NOW;#d#	2822	# warn $AFTER - $NOW;#d#
2515		2823
2516	# if we are delayed by four ticks or more, skip them all	2824	# if we are delayed by four ticks or more, skip them all
2517	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2825	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2518		2826
2519	$TICK_WATCHER->at ($NEXT_TICK);	2827	$TICK_WATCHER->at ($NEXT_TICK);
2520	$TICK_WATCHER->start;	2828	$TICK_WATCHER->start;
		2829
		2830	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2831	$sig->send;
		2832	}
		2833	while (my $sig = shift @WAIT_FOR_TICK) {
		2834	$sig->send;
		2835	}
		2836
		2837	_post_tick;
2521	},	2838	},
2522	);	2839	);
2523		2840
		2841	{
		2842	BDB::max_poll_time $TICK * 0.1;
		2843	$BDB_POLL_WATCHER = Event->io (
		2844	reentrant => 0,
		2845	fd => BDB::poll_fileno,
		2846	poll => 'r',
		2847	prio => 0,
		2848	data => WF_AUTOCANCEL,
		2849	cb => \&BDB::poll_cb,
		2850	);
		2851	BDB::min_parallel 8;
		2852
		2853	BDB::set_sync_prepare {
		2854	my $status;
		2855	my $current = $Coro::current;
		2856	(
		2857	sub {
		2858	$status = $!;
		2859	$current->ready; undef $current;
		2860	},
		2861	sub {
		2862	Coro::schedule while defined $current;
		2863	$! = $status;
		2864	},
		2865	)
		2866	};
		2867
		2868	unless ($DB_ENV) {
		2869	$DB_ENV = BDB::db_env_create;
		2870
		2871	cf::sync_job {
		2872	eval {
		2873	BDB::db_env_open
		2874	$DB_ENV,
		2875	$BDB_ENV_DIR,
		2876	BDB::INIT_LOCK \| BDB::INIT_LOG \| BDB::INIT_MPOOL \| BDB::INIT_TXN
		2877	\| BDB::RECOVER \| BDB::REGISTER \| BDB::USE_ENVIRON \| BDB::CREATE,
		2878	0666;
		2879
		2880	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2881
		2882	$DB_ENV->set_flags (BDB::AUTO_COMMIT \| BDB::REGION_INIT \| BDB::TXN_NOSYNC, 1);
		2883	$DB_ENV->set_lk_detect;
		2884	};
		2885
		2886	cf::cleanup "db_env_open(db): $@" if $@;
		2887	};
		2888	}
		2889	}
		2890
		2891	{
		2892	IO::AIO::min_parallel 8;
		2893
		2894	undef $Coro::AIO::WATCHER;
2524	IO::AIO::max_poll_time $TICK * 0.1;	2895	IO::AIO::max_poll_time $TICK * 0.1;
2525
2526	undef $Coro::AIO::WATCHER;
2527	$AIO_POLL_WATCHER = Event->io (	2896	$AIO_POLL_WATCHER = Event->io (
2528	reentrant => 0,	2897	reentrant => 0,
		2898	data => WF_AUTOCANCEL,
2529	fd => IO::AIO::poll_fileno,	2899	fd => IO::AIO::poll_fileno,
2530	poll => 'r',	2900	poll => 'r',
2531	prio => 6,	2901	prio => 6,
2532	data => WF_AUTOCANCEL,
2533	cb => \&IO::AIO::poll_cb,	2902	cb => \&IO::AIO::poll_cb,
2534	);	2903	);
		2904	}
2535		2905
2536	$WRITE_RUNTIME_WATCHER = Event->timer (	2906	# load additional modules
2537	reentrant => 0,	2907	use cf::pod;
2538	data => WF_AUTOCANCEL,
2539	after => 1,
2540	interval => 10,
2541	prio => 6, # keep it lowest so it acts like a watchdog
2542	cb => Coro::unblock_sub {
2543	write_runtime
2544	or warn "ERROR: unable to write runtime file: $!";
2545	},
2546	);
2547		2908
2548	END { cf::emergency_save }	2909	END { cf::emergency_save }
2549		2910
2550	1	2911	1
2551		2912

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.198 by root, Sun Jan 28 01:58:37 2007 UTC vs. Revision 1.251 by root, Wed Apr 18 14:45:13 2007 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.198 by root, Sun Jan 28 01:58:37 2007 UTC vs.
Revision 1.251 by root, Wed Apr 18 14:45:13 2007 UTC