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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.176 by root, Sun Jan 14 22:14:35 2007 UTC vs.
Revision 1.238 by root, Sat Apr 14 07:23:00 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 3.52 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
		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;
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";
		79	our $BDB_ENV_DIR = cf::localdir . "/db";
63		80
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		83
67	# used to convert map paths into valid unix filenames by replacing / by ∕	84	# used to convert map paths into valid unix filenames by replacing / by ∕
…		…
80	mkdir cf::localdir;	97	mkdir cf::localdir;
81	mkdir cf::localdir . "/" . cf::playerdir;	98	mkdir cf::localdir . "/" . cf::playerdir;
82	mkdir cf::localdir . "/" . cf::tmpdir;	99	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;	100	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;	101	mkdir $RANDOM_MAPS;
		102	mkdir $BDB_ENV_DIR;
85		103
86	our $EMERGENCY_POSITION;	104	our $EMERGENCY_POSITION;
		105
		106	sub cf::map::normalise;
87		107
88	#############################################################################	108	#############################################################################
89		109
90	=head2 GLOBAL VARIABLES	110	=head2 GLOBAL VARIABLES
91		111
…		…
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
		360	my $value = $cf::RUNTIME + 90 + 10;
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	361	# 10 is the runtime save interval, for a monotonic clock
		362	# 60 allows for the watchdog to kill the server.
		363
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0	364	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;	365	and return;
357		366
		367	# always fsync - this file is important
358	aio_fsync $fh	368	aio_fsync $fh
359	and return;	369	and return;
360		370
361	close $fh	371	close $fh
362	or return;	372	or return;
363		373
364	aio_rename "$runtime~", $runtime	374	aio_rename "$runtime~", $runtime
365	and return;	375	and return;
366		376
367	1	377	1
		378	}
		379
		380	=item cf::datalog type => key => value, ...
		381
		382	Log a datalog packet of the given type with the given key-value pairs.
		383
		384	=cut
		385
		386	sub datalog($@) {
		387	my ($type, %kv) = @_;
		388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	389	}
369		390
370	=back	391	=back
371		392
372	=cut	393	=cut
…		…
747	$filename, length $$rdata, scalar @$objs;	768	$filename, length $$rdata, scalar @$objs;
748		769
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
752	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	774	close $fh;
754		775
755	if (@$objs) {	776	if (@$objs) {
756	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) {
757	chmod SAVE_MODE, $fh;	778	chmod SAVE_MODE, $fh;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	779	my $data = Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	780	aio_write $fh, 0, (length $data), $data, 0;
760	aio_fsync $fh;	781	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	782	close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	783	aio_rename "$filename.pst~", "$filename.pst";
763	}	784	}
764	} else {	785	} else {
765	aio_unlink "$filename.pst";	786	aio_unlink "$filename.pst";
…		…
944	}	965	}
945		966
946	sub path($) {	967	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		969
949	(playerdir $login) . "/$login.pl"	970	(playerdir $login) . "/playerdata"
950	}	971	}
951		972
952	sub find_active($) {	973	sub find_active($) {
953	$cf::PLAYER{$_[0]}	974	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	975	and $cf::PLAYER{$_[0]}->active
…		…
957		978
958	sub exists($) {	979	sub exists($) {
959	my ($login) = @_;	980	my ($login) = @_;
960		981
961	$cf::PLAYER{$login}	982	$cf::PLAYER{$login}
962	or cf::sync_job { !aio_stat $login }	983	or cf::sync_job { !aio_stat path $login }
963	}	984	}
964		985
965	sub find($) {	986	sub find($) {
966	return $cf::PLAYER{$_[0]} || do {	987	return $cf::PLAYER{$_[0]} || do {
967	my $login = $_[0];	988	my $login = $_[0];
968		989
969	my $guard = cf::lock_acquire "user_find:$login";	990	my $guard = cf::lock_acquire "user_find:$login";
970		991
971	$cf::PLAYER{$_[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
972	my $pl = load_pl path $login	1000	my $pl = load_pl path $login
973	or return;	1001	or return;
974	$cf::PLAYER{$login} = $pl	1002	$cf::PLAYER{$login} = $pl
975	}	1003	}
976	}	1004	}
…		…
1013		1041
1014	=cut	1042	=cut
1015		1043
1016	sub quit_character {	1044	sub quit_character {
1017	my ($pl) = @_;	1045	my ($pl) = @_;
		1046
		1047	my $name = $pl->ob->name;
1018		1048
1019	$pl->{deny_save} = 1;	1049	$pl->{deny_save} = 1;
1020	$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
1021		1051
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1027	my $path = playerdir $pl;	1057	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1058	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1059	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1060	delete $cf::PLAYER{$pl->ob->name};
1031	$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
1032	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	$pl->ns->destroy;
1033	}	1083	}
1034		1084
1035	=item cf::player::list_logins	1085	=item cf::player::list_logins
1036		1086
1037	Returns am arrayref of all valid playernames in the system, can take a	1087	Returns am arrayref of all valid playernames in the system, can take a
…		…
1065	=cut	1115	=cut
1066		1116
1067	sub maps($) {	1117	sub maps($) {
1068	my ($pl) = @_;	1118	my ($pl) = @_;
1069		1119
		1120	$pl = ref $pl ? $pl->ob->name : $pl;
		1121
1070	my $files = aio_readdir playerdir $pl	1122	my $files = aio_readdir playerdir $pl
1071	or return;	1123	or return;
1072		1124
1073	my @paths;	1125	my @paths;
1074		1126
1075	for (@$files) {	1127	for (@$files) {
1076	utf8::decode $_;	1128	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1129	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1130	next unless /^$PATH_SEP/o;
1079		1131
1080	s/\.map$//;	1132	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1133	}
1083		1134
1084	\@paths	1135	\@paths
1085	}	1136	}
1086		1137
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1138	=item $player->ext_reply ($msgid, %msg)
1088		1139
1089	Sends an ext reply to the player.	1140	Sends an ext reply to the player.
1090		1141
1091	=cut	1142	=cut
1092		1143
1093	sub ext_reply($$$%) {	1144	sub ext_reply($$%) {
1094	my ($self, $id, %msg) = @_;	1145	my ($self, $id, %msg) = @_;
1095		1146
1096	$msg{msgid} = $id;	1147	$msg{msgid} = $id;
1097		1148
1098	$self->send ("ext " . cf::to_json \%msg);	1149	$self->send ("ext " . cf::to_json \%msg);
1099	}	1150	}
1100		1151
1101	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	}
1102		1192
1103	=back	1193	=back
1104
1105		1194
1106	=head3 cf::map	1195	=head3 cf::map
1107		1196
1108	=over 4	1197	=over 4
1109		1198
…		…
1121	our $MAX_RESET = 3600;	1210	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1211	our $DEFAULT_RESET = 3000;
1123		1212
1124	sub generate_random_map {	1213	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1214	my ($self, $rmp) = @_;
1126
1127	# mit "rum" bekleckern, nicht	1215	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1216	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1131	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1227	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1228	)
1141	}	1229	}
1142		1230
		1231	=item cf::map->register ($regex, $prio)
		1232
		1233	Register a handler for the map path matching the given regex at the
		1234	givne priority (higher is better, built-in handlers have priority 0, the
		1235	default).
		1236
		1237	=cut
		1238
1143	sub register {	1239	sub register {
1144	my (undef, $regex) = @_;	1240	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1241	my $pkg = caller;
1146		1242
1147	no strict;	1243	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1244	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1245
1150	$EXT_MAP{$pkg} = qr<$regex>;	1246	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1247	}
1152		1248
1153	# also paths starting with '/'	1249	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1250	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1155		1251
1156	sub thawer_merge {	1252	sub thawer_merge {
1157	my ($self, $merge) = @_;	1253	my ($self, $merge) = @_;
1158		1254
1159	# we have to keep some variables in memory intact	1255	# we have to keep some variables in memory intact
…		…
1165	$self->SUPER::thawer_merge ($merge);	1261	$self->SUPER::thawer_merge ($merge);
1166	}	1262	}
1167		1263
1168	sub normalise {	1264	sub normalise {
1169	my ($path, $base) = @_;	1265	my ($path, $base) = @_;
		1266
		1267	$path = "$path"; # make sure its a string
		1268
		1269	$path =~ s/\.map$//;
1170		1270
1171	# map plan:	1271	# map plan:
1172	#	1272	#
1173	# /! non-realised random map exit (special hack!)	1273	# /! non-realised random map exit (special hack!)
1174	# {... are special paths that are not being touched	1274	# {... are special paths that are not being touched
…		…
1202		1302
1203	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1303	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1204		1304
1205	$path = normalise $path, $base;	1305	$path = normalise $path, $base;
1206		1306
1207	for my $pkg (keys %EXT_MAP) {	1307	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1208	if ($path =~ $EXT_MAP{$pkg}) {	1308	if ($path =~ $EXT_MAP{$pkg}[1]) {
1209	my $self = bless cf::map::new, $pkg;	1309	my $self = bless cf::map::new, $pkg;
1210	$self->{path} = $path; $self->path ($path);	1310	$self->{path} = $path; $self->path ($path);
1211	$self->init; # pass $1 etc.	1311	$self->init; # pass $1 etc.
1212	return $self;	1312	return $self;
1213	}	1313	}
1214	}	1314	}
1215		1315
1216	Carp::carp "unable to resolve path '$path'.";	1316	Carp::carp "unable to resolve path '$path' (base '$base').";
1217	()	1317	()
1218	}	1318	}
1219		1319
1220	sub init {	1320	sub init {
1221	my ($self) = @_;	1321	my ($self) = @_;
…		…
1236		1336
1237	# the original (read-only) location	1337	# the original (read-only) location
1238	sub load_path {	1338	sub load_path {
1239	my ($self) = @_;	1339	my ($self) = @_;
1240		1340
1241	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
1242	}	1342	}
1243		1343
1244	# the temporary/swap location	1344	# the temporary/swap location
1245	sub save_path {	1345	sub save_path {
1246	my ($self) = @_;	1346	my ($self) = @_;
1247		1347
1248	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1249	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
1250	}	1350	}
1251		1351
1252	# the unique path, undef == no special unique path	1352	# the unique path, undef == no special unique path
1253	sub uniq_path {	1353	sub uniq_path {
1254	my ($self) = @_;	1354	my ($self) = @_;
…		…
1276		1376
1277	sub load_header_from($) {	1377	sub load_header_from($) {
1278	my ($self, $path) = @_;	1378	my ($self, $path) = @_;
1279		1379
1280	utf8::encode $path;	1380	utf8::encode $path;
1281	aio_open $path, O_RDONLY, 0	1381	#aio_open $path, O_RDONLY, 0
1282	or return;	1382	# or return;
1283		1383
1284	$self->_load_header ($path)	1384	$self->_load_header ($path)
1285	or return;	1385	or return;
1286		1386
1287	$self->{load_path} = $path;	1387	$self->{load_path} = $path;
1288		1388
1289	1	1389	1
1290	}	1390	}
1291		1391
1292	sub load_orig {	1392	sub load_header_orig {
1293	my ($self) = @_;	1393	my ($self) = @_;
1294		1394
1295	$self->load_header_from ($self->load_path)	1395	$self->load_header_from ($self->load_path)
1296	}	1396	}
1297		1397
1298	sub load_temp {	1398	sub load_header_temp {
1299	my ($self) = @_;	1399	my ($self) = @_;
1300		1400
1301	$self->load_header_from ($self->save_path)	1401	$self->load_header_from ($self->save_path)
		1402	}
		1403
		1404	sub prepare_temp {
		1405	my ($self) = @_;
		1406
		1407	$self->last_access ((delete $self->{last_access})
		1408	|| $cf::RUNTIME); #d#
		1409	# safety
		1410	$self->{instantiate_time} = $cf::RUNTIME
		1411	if $self->{instantiate_time} > $cf::RUNTIME;
		1412	}
		1413
		1414	sub prepare_orig {
		1415	my ($self) = @_;
		1416
		1417	$self->{load_original} = 1;
		1418	$self->{instantiate_time} = $cf::RUNTIME;
		1419	$self->last_access ($cf::RUNTIME);
		1420	$self->instantiate;
1302	}	1421	}
1303		1422
1304	sub load_header {	1423	sub load_header {
1305	my ($self) = @_;	1424	my ($self) = @_;
1306		1425
1307	if ($self->load_temp) {	1426	if ($self->load_header_temp) {
1308	$self->last_access ((delete $self->{last_access})	1427	$self->prepare_temp;
1309	|| $cf::RUNTIME); #d#
1310	# safety
1311	$self->{instantiate_time} = $cf::RUNTIME
1312	if $self->{instantiate_time} > $cf::RUNTIME;
1313	} else {	1428	} else {
1314	$self->load_orig	1429	$self->load_header_orig
1315	or return;	1430	or return;
1316		1431	$self->prepare_orig;
1317	$self->{load_original} = 1;
1318	$self->{instantiate_time} = $cf::RUNTIME;
1319	$self->last_access ($cf::RUNTIME);
1320	$self->instantiate;
1321	}	1432	}
		1433
		1434	$self->default_region (cf::region::find_by_path $self->{path})
		1435	unless $self->default_region;
1322		1436
1323	1	1437	1
1324	}	1438	}
1325		1439
1326	sub find;	1440	sub find;
…		…
1339	$map->{last_save} = $cf::RUNTIME;	1453	$map->{last_save} = $cf::RUNTIME;
1340		1454
1341	$map->load_header	1455	$map->load_header
1342	or return;	1456	or return;
1343		1457
1344	if ($map->should_reset) {	1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1459	# doing this can freeze the server in a sync job, obviously
1345	$cf::WAIT_FOR_TICK->wait;	1460	#$cf::WAIT_FOR_TICK->wait;
1346	$map->reset;	1461	$map->reset;
1347	undef $guard;	1462	undef $guard;
1348	$map = find $path	1463	return find $path;
1349	or return;
1350	}	1464	}
1351		1465
1352	$cf::MAP{$path} = $map	1466	$cf::MAP{$path} = $map
1353	}	1467	}
1354	}	1468	}
		1469
		1470	sub pre_load { }
		1471	sub post_load { }
1355		1472
1356	sub load {	1473	sub load {
1357	my ($self) = @_;	1474	my ($self) = @_;
1358		1475
		1476	local $self->{deny_reset} = 1; # loading can take a long time
		1477
1359	my $path = $self->{path};	1478	my $path = $self->{path};
1360	my $guard = cf::lock_acquire "map_load:$path";	1479	my $guard = cf::lock_acquire "map_load:$path";
1361		1480
1362	return if $self->in_memory != cf::MAP_SWAPPED;	1481	return if $self->in_memory != cf::MAP_SWAPPED;
1363		1482
1364	$self->in_memory (cf::MAP_LOADING);	1483	$self->in_memory (cf::MAP_LOADING);
1365		1484
1366	$self->alloc;	1485	$self->alloc;
		1486
		1487	$self->pre_load;
		1488
1367	$self->_load_objects ($self->{load_path}, 1)	1489	$self->_load_objects ($self->{load_path}, 1)
1368	or return;	1490	or return;
1369		1491
1370	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1492	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1371	if delete $self->{load_original};	1493	if delete $self->{load_original};
…		…
1393	unless $self->difficulty;	1515	unless $self->difficulty;
1394	Coro::cede;	1516	Coro::cede;
1395	$self->activate;	1517	$self->activate;
1396	}	1518	}
1397		1519
		1520	$self->post_load;
		1521
1398	$self->in_memory (cf::MAP_IN_MEMORY);	1522	$self->in_memory (cf::MAP_IN_MEMORY);
1399	}	1523	}
1400		1524
1401	sub customise_for {	1525	sub customise_for {
1402	my ($self, $ob) = @_;	1526	my ($self, $ob) = @_;
…		…
1442		1566
1443	cf::sync_job { $map->load };	1567	cf::sync_job { $map->load };
1444	}	1568	}
1445		1569
1446	our %MAP_PREFETCH;	1570	our %MAP_PREFETCH;
1447	our $MAP_PREFETCHER = Coro::async {	1571	our $MAP_PREFETCHER = undef;
1448	while () {
1449	for my $path (keys %MAP_PREFETCH) {
1450	my $map = find $path
1451	or next;
1452	$map->load;
1453
1454	delete $MAP_PREFETCH{$path};
1455	}
1456	Coro::schedule;
1457	}
1458	};
1459		1572
1460	sub find_async {	1573	sub find_async {
1461	my ($path, $origin) = @_;	1574	my ($path, $origin) = @_;
1462		1575
1463	$path = normalise $path, $origin && $origin->{path};	1576	$path = normalise $path, $origin && $origin->{path};
1464		1577
1465	if (my $map = $cf::MAP{$path}) {	1578	if (my $map = $cf::MAP{$path}) {
1466	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1579	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1467	}	1580	}
1468		1581
1469	$MAP_PREFETCH{$path} = 0;	1582	undef $MAP_PREFETCH{$path};
		1583	$MAP_PREFETCHER ||= cf::async {
		1584	while (%MAP_PREFETCH) {
		1585	for my $path (keys %MAP_PREFETCH) {
		1586	my $map = find $path
		1587	or next;
		1588	$map->load;
		1589
		1590	delete $MAP_PREFETCH{$path};
		1591	}
		1592	}
		1593	undef $MAP_PREFETCHER;
		1594	};
1470	$MAP_PREFETCHER->ready;	1595	$MAP_PREFETCHER->prio (6);
1471		1596
1472	()	1597	()
1473	}	1598	}
1474		1599
1475	sub save {	1600	sub save {
…		…
1545	return if $self->players;	1670	return if $self->players;
1546	return if $self->isa ("ext::map_per_player");#d#	1671	return if $self->isa ("ext::map_per_player");#d#
1547		1672
1548	warn "resetting map ", $self->path;#d#	1673	warn "resetting map ", $self->path;#d#
1549		1674
		1675	$self->in_memory (cf::MAP_SWAPPED);
		1676
		1677	# need to save uniques path
		1678	unless ($self->{deny_save}) {
		1679	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1680
		1681	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1682	if $uniq;
		1683	}
		1684
1550	delete $cf::MAP{$self->path};	1685	delete $cf::MAP{$self->path};
1551		1686
1552	$self->in_memory (cf::MAP_SWAPPED);
1553	$self->clear;	1687	$self->clear;
1554		1688
1555	$_->clear_links_to ($self) for values %cf::MAP;	1689	$_->clear_links_to ($self) for values %cf::MAP;
1556		1690
1557	$self->unlink_save;	1691	$self->unlink_save;
…		…
1594	for (@$files) {	1728	for (@$files) {
1595	utf8::decode $_;	1729	utf8::decode $_;
1596	next if /\.pst$/;	1730	next if /\.pst$/;
1597	next unless /^$PATH_SEP/o;	1731	next unless /^$PATH_SEP/o;
1598		1732
1599	s/\.map$//;	1733	push @paths, cf::map::normalise $_;
1600	push @paths, $_;
1601	}	1734	}
1602		1735
1603	\@paths	1736	\@paths
1604	}	1737	}
1605		1738
…		…
1699	=cut	1832	=cut
1700		1833
1701	sub link_map {	1834	sub link_map {
1702	unless ($LINK_MAP) {	1835	unless ($LINK_MAP) {
1703	$LINK_MAP = cf::map::find "{link}"	1836	$LINK_MAP = cf::map::find "{link}"
1704	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	1837	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1705	$LINK_MAP->load;	1838	$LINK_MAP->load;
1706	}	1839	}
1707		1840
1708	$LINK_MAP	1841	$LINK_MAP
1709	}	1842	}
…		…
1716	return if UNIVERSAL::isa $self->map, "ext::map_link";	1849	return if UNIVERSAL::isa $self->map, "ext::map_link";
1717		1850
1718	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1851	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1719	if $self->map;	1852	if $self->map;
1720		1853
1721	$self->enter_map ($LINK_MAP || link_map, 20, 20);	1854	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1722	}	1855	}
1723		1856
1724	sub cf::object::player::leave_link {	1857	sub cf::object::player::leave_link {
1725	my ($self, $map, $x, $y) = @_;	1858	my ($self, $map, $x, $y) = @_;
1726		1859
…		…
1748	$map->load;	1881	$map->load;
1749	$map->load_diag;	1882	$map->load_diag;
1750		1883
1751	return unless $self->contr->active;	1884	return unless $self->contr->active;
1752	$self->activate_recursive;	1885	$self->activate_recursive;
		1886
		1887	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1753	$self->enter_map ($map, $x, $y);	1888	$self->enter_map ($map, $x, $y);
1754	}	1889	}
1755		1890
1756	cf::player->attach (	1891	cf::player->attach (
1757	on_logout => sub {	1892	on_logout => sub {
…		…
1770	# try to abort aborted map switching on player login :)	1905	# try to abort aborted map switching on player login :)
1771	# should happen only on crashes	1906	# should happen only on crashes
1772	if ($pl->ob->{_link_pos}) {	1907	if ($pl->ob->{_link_pos}) {
1773	$pl->ob->enter_link;	1908	$pl->ob->enter_link;
1774	(async {	1909	(async {
1775	# we need this sleep as the login has a concurrent enter_exit running
1776	# and this sleep increases chances of the player not ending up in scorn
1777	$pl->ob->reply (undef,	1910	$pl->ob->reply (undef,
1778	"There was an internal problem at your last logout, "	1911	"There was an internal problem at your last logout, "
1779	. "the server will try to bring you to your intended destination in a second.",	1912	. "the server will try to bring you to your intended destination in a second.",
1780	cf::NDI_RED);	1913	cf::NDI_RED);
		1914	# we need this sleep as the login has a concurrent enter_exit running
		1915	# and this sleep increases chances of the player not ending up in scorn
1781	Coro::Timer::sleep 1;	1916	Coro::Timer::sleep 1;
1782	$pl->ob->leave_link;	1917	$pl->ob->leave_link;
1783	})->prio (2);	1918	})->prio (2);
1784	}	1919	}
1785	},	1920	},
…		…
1793	my ($self, $path, $x, $y) = @_;	1928	my ($self, $path, $x, $y) = @_;
1794		1929
1795	$self->enter_link;	1930	$self->enter_link;
1796		1931
1797	(async {	1932	(async {
		1933	my $map = eval {
1798	my $map = cf::map::find $path;	1934	my $map = cf::map::find $path;
1799	$map = $map->customise_for ($self) if $map;	1935	$map = $map->customise_for ($self) if $map;
1800		1936	$map
1801	# warn "entering ", $map->path, " at ($x, $y)\n"	1937	} or
1802	# if $map;
1803
1804	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1938	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1805		1939
1806	$self->leave_link ($map, $x, $y);	1940	$self->leave_link ($map, $x, $y);
1807	})->prio (1);	1941	})->prio (1);
1808	}	1942	}
1809		1943
…		…
1813		1947
1814	sub parse_random_map_params {	1948	sub parse_random_map_params {
1815	my ($spec) = @_;	1949	my ($spec) = @_;
1816		1950
1817	my $rmp = { # defaults	1951	my $rmp = { # defaults
1818	xsize => 10,	1952	xsize => (cf::rndm 15, 40),
1819	ysize => 10,	1953	ysize => (cf::rndm 15, 40),
		1954	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1955	#layout => string,
1820	};	1956	};
1821		1957
1822	for (split /\n/, $spec) {	1958	for (split /\n/, $spec) {
1823	my ($k, $v) = split /\s+/, $_, 2;	1959	my ($k, $v) = split /\s+/, $_, 2;
1824		1960
…		…
1828	$rmp	1964	$rmp
1829	}	1965	}
1830		1966
1831	sub prepare_random_map {	1967	sub prepare_random_map {
1832	my ($exit) = @_;	1968	my ($exit) = @_;
		1969
		1970	my $guard = cf::lock_acquire "exit_prepare:$exit";
1833		1971
1834	# all this does is basically replace the /! path by	1972	# all this does is basically replace the /! path by
1835	# a new random map path (?random/...) with a seed	1973	# a new random map path (?random/...) with a seed
1836	# that depends on the exit object	1974	# that depends on the exit object
1837		1975
1838	my $rmp = parse_random_map_params $exit->msg;	1976	my $rmp = parse_random_map_params $exit->msg;
1839		1977
1840	if ($exit->map) {	1978	if ($exit->map) {
1841	$rmp->{region} = $exit->map->region_name;	1979	$rmp->{region} = $exit->region->name;
1842	$rmp->{origin_map} = $exit->map->path;	1980	$rmp->{origin_map} = $exit->map->path;
1843	$rmp->{origin_x} = $exit->x;	1981	$rmp->{origin_x} = $exit->x;
1844	$rmp->{origin_y} = $exit->y;	1982	$rmp->{origin_y} = $exit->y;
1845	}	1983	}
1846		1984
1847	$rmp->{random_seed} ||= $exit->random_seed;	1985	$rmp->{random_seed} ||= $exit->random_seed;
1848		1986
1849	my $data = cf::to_json $rmp;	1987	my $data = cf::to_json $rmp;
1850	my $md5 = Digest::MD5::md5_hex $data;	1988	my $md5 = Digest::MD5::md5_hex $data;
		1989	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1851		1990
1852	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1991	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1853	aio_write $fh, 0, (length $data), $data, 0;	1992	aio_write $fh, 0, (length $data), $data, 0;
		1993	undef $fh;
		1994	aio_rename "$meta~", $meta;
1854		1995
1855	$exit->slaying ("?random/$md5");	1996	$exit->slaying ("?random/$md5");
1856	$exit->msg (undef);	1997	$exit->msg (undef);
1857	}	1998	}
1858	}	1999	}
1859		2000
1860	sub cf::object::player::enter_exit {	2001	sub cf::object::player::enter_exit {
1861	my ($self, $exit) = @_;	2002	my ($self, $exit) = @_;
1862		2003
1863	return unless $self->type == cf::PLAYER;	2004	return unless $self->type == cf::PLAYER;
		2005
		2006	if ($exit->slaying eq "/!") {
		2007	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2008	# the problem is that $exit might not survive long enough
		2009	# so it needs to be done right now, right here
		2010	cf::sync_job { prepare_random_map $exit };
		2011	}
		2012
		2013	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2014	my $hp = $exit->stats->hp;
		2015	my $sp = $exit->stats->sp;
1864		2016
1865	$self->enter_link;	2017	$self->enter_link;
1866		2018
1867	(async {	2019	(async {
1868	$self->deactivate_recursive; # just to be sure	2020	$self->deactivate_recursive; # just to be sure
1869	unless (eval {	2021	unless (eval {
1870	prepare_random_map $exit	2022	$self->goto ($slaying, $hp, $sp);
1871	if $exit->slaying eq "/!";
1872
1873	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1874	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1875		2023
1876	1;	2024	1;
1877	}) {	2025	}) {
1878	$self->message ("Something went wrong deep within the crossfire server. "	2026	$self->message ("Something went wrong deep within the crossfire server. "
1879	. "I'll try to bring you back to the map you were before. "	2027	. "I'll try to bring you back to the map you were before. "
1880	. "Please report this to the dungeon master!",	2028	. "Please report this to the dungeon master!",
1881	cf::NDI_UNIQUE | cf::NDI_RED);	2029	cf::NDI_UNIQUE | cf::NDI_RED);
1882		2030
1883	warn "ERROR in enter_exit: $@";	2031	warn "ERROR in enter_exit: $@";
1884	$self->leave_link;	2032	$self->leave_link;
1885	}	2033	}
1886	})->prio (1);	2034	})->prio (1);
…		…
1899		2047
1900	sub cf::client::send_drawinfo {	2048	sub cf::client::send_drawinfo {
1901	my ($self, $text, $flags) = @_;	2049	my ($self, $text, $flags) = @_;
1902		2050
1903	utf8::encode $text;	2051	utf8::encode $text;
1904	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2052	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1905	}	2053	}
1906		2054
		2055	=item $client->ext_event ($type, %msg)
		2056
		2057	Sends an exti event to the client.
		2058
		2059	=cut
		2060
		2061	sub cf::client::ext_event($$%) {
		2062	my ($self, $type, %msg) = @_;
		2063
		2064	$msg{msgtype} = "event_$type";
		2065	$self->send_packet ("ext " . cf::to_json \%msg);
		2066	}
1907		2067
1908	=item $success = $client->query ($flags, "text", \&cb)	2068	=item $success = $client->query ($flags, "text", \&cb)
1909		2069
1910	Queues a query to the client, calling the given callback with	2070	Queues a query to the client, calling the given callback with
1911	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2071	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1940	# get handled first	2100	# get handled first
1941	my $queue = delete $ns->{query_queue}	2101	my $queue = delete $ns->{query_queue}
1942	or return; # be conservative, not sure how that can happen, but we saw a crash here	2102	or return; # be conservative, not sure how that can happen, but we saw a crash here
1943		2103
1944	(shift @$queue)->[1]->($msg);	2104	(shift @$queue)->[1]->($msg);
		2105	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1945		2106
1946	push @{ $ns->{query_queue} }, @$queue;	2107	push @{ $ns->{query_queue} }, @$queue;
1947		2108
1948	if (@{ $ns->{query_queue} } == @$queue) {	2109	if (@{ $ns->{query_queue} } == @$queue) {
1949	if (@$queue) {	2110	if (@$queue) {
…		…
2007		2168
2008	# here we export the classes and methods available to script code	2169	# here we export the classes and methods available to script code
2009		2170
2010	=pod	2171	=pod
2011		2172
2012	The following fucntions and emthods are available within a safe environment:	2173	The following functions and methods are available within a safe environment:
2013		2174
2014	cf::object contr pay_amount pay_player map	2175	cf::object contr pay_amount pay_player map
2015	cf::object::player player	2176	cf::object::player player
2016	cf::player peaceful	2177	cf::player peaceful
2017	cf::map trigger	2178	cf::map trigger
…		…
2110	The parameter C<$family> should best start with the name of the extension	2271	The parameter C<$family> should best start with the name of the extension
2111	using it, it should be unique.	2272	using it, it should be unique.
2112		2273
2113	=over 4	2274	=over 4
2114		2275
2115	=item $hashref = cf::db_get $family
2116
2117	Return a hashref for use by the extension C<$family>, which can be
2118	modified. After modifications, you have to call C<cf::db_dirty> or
2119	C<cf::db_sync>.
2120
2121	=item $value = cf::db_get $family => $key	2276	=item $value = cf::db_get $family => $key
2122		2277
2123	Returns a single value from the database	2278	Returns a single value from the database.
2124
2125	=item cf::db_put $family => $hashref
2126
2127	Stores the given family hashref into the database. Updates are delayed, if
2128	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2129		2279
2130	=item cf::db_put $family => $key => $value	2280	=item cf::db_put $family => $key => $value
2131		2281
2132	Stores the given C<$value> in the family hash. Updates are delayed, if you	2282	Stores the given C<$value> in the family.
2133	want the data to be synced to disk immediately, use C<cf::db_sync>.
2134
2135	=item cf::db_dirty
2136
2137	Marks the database as dirty, to be updated at a later time.
2138
2139	=item cf::db_sync
2140
2141	Immediately write the database to disk I<if it is dirty>.
2142		2283
2143	=cut	2284	=cut
2144		2285
2145	our $DB;	2286	our $DB;
2146		2287
2147	{	2288	sub db_init {
		2289	unless ($DB) {
		2290	$DB = BDB::db_create $DB_ENV;
		2291
		2292	cf::sync_job {
		2293	eval {
		2294	$DB->set_flags (BDB::CHKSUM);
		2295
		2296	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2297	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2298	cf::cleanup "db_open(db): $!" if $!;
		2299	};
		2300	cf::cleanup "db_open(db): $@" if $@;
		2301	};
		2302
2148	my $path = cf::localdir . "/database.pst";	2303	my $path = cf::localdir . "/database.pst";
		2304	if (stat $path) {
		2305	cf::sync_job {
		2306	my $pst = Storable::retrieve $path;
2149		2307
2150	sub db_load() {	2308	cf::db_put (board => data => $pst->{board});
2151	$DB = stat $path ? Storable::retrieve $path : { };	2309	cf::db_put (guildrules => data => $pst->{guildrules});
2152	}	2310	cf::db_put (rent => balance => $pst->{rent}{balance});
		2311	BDB::db_env_txn_checkpoint $DB_ENV;
2153		2312
2154	my $pid;	2313	unlink $path;
2155
2156	sub db_save() {
2157	waitpid $pid, 0 if $pid;
2158	if (0 == ($pid = fork)) {
2159	$DB->{_meta}{version} = 1;
2160	Storable::nstore $DB, "$path~";
2161	rename "$path~", $path;
2162	cf::_exit 0 if defined $pid;
2163	}	2314	};
2164	}
2165
2166	my $dirty;
2167
2168	sub db_sync() {
2169	db_save if $dirty;
2170	undef $dirty;
2171	}
2172
2173	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2174	db_sync;
2175	});
2176
2177	sub db_dirty() {
2178	$dirty = 1;
2179	$idle->start;
2180	}
2181
2182	sub db_get($;$) {
2183	@_ >= 2
2184	? $DB->{$_[0]}{$_[1]}
2185	: ($DB->{$_[0]} ||= { })
2186	}
2187
2188	sub db_put($$;$) {
2189	if (@_ >= 3) {
2190	$DB->{$_[0]}{$_[1]} = $_[2];
2191	} else {
2192	$DB->{$_[0]} = $_[1];
2193	}
2194	db_dirty;
2195	}
2196
2197	cf::global->attach (
2198	prio => 10000,
2199	on_cleanup => sub {
2200	db_sync;
2201	},	2315	}
2202	);	2316	}
		2317	}
		2318
		2319	sub db_get($$) {
		2320	my $key = "$_[0]/$_[1]";
		2321
		2322	cf::sync_job {
		2323	BDB::db_get $DB, undef, $key, my $data;
		2324
		2325	$! ? ()
		2326	: Compress::LZF::sthaw $data
		2327	}
		2328	}
		2329
		2330	sub db_put($$$) {
		2331	BDB::dbreq_pri 4;
		2332	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2203	}	2333	}
2204		2334
2205	#############################################################################	2335	#############################################################################
2206	# the server's main()	2336	# the server's init and main functions
		2337
		2338	sub load_facedata {
		2339	my $path = sprintf "%s/facedata", cf::datadir;
		2340
		2341	warn "loading facedata from $path\n";
		2342
		2343	my $facedata;
		2344	0 < aio_load $path, $facedata
		2345	or die "$path: $!";
		2346
		2347	$facedata = Coro::Storable::thaw $facedata;
		2348
		2349	$facedata->{version} == 2
		2350	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2351
		2352	{
		2353	my $faces = $facedata->{faceinfo};
		2354
		2355	while (my ($face, $info) = each %$faces) {
		2356	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2357	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2358	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2359	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2360	Coro::cede;
		2361	}
		2362
		2363	while (my ($face, $info) = each %$faces) {
		2364	next unless $info->{smooth};
		2365	my $idx = cf::face::find $face
		2366	or next;
		2367	if (my $smooth = cf::face::find $info->{smooth}) {
		2368	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2369	} else {
		2370	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2371	}
		2372	Coro::cede;
		2373	}
		2374	}
		2375
		2376	{
		2377	my $anims = $facedata->{animinfo};
		2378
		2379	while (my ($anim, $info) = each %$anims) {
		2380	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2381	Coro::cede;
		2382	}
		2383
		2384	cf::anim::invalidate_all; # d'oh
		2385	}
		2386
		2387	1
		2388	}
		2389
		2390	sub reload_resources {
		2391	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2392	or die "unable to load regions file\n";#d#
		2393	load_facedata
		2394	or die "unable to load facedata\n";#d#
		2395	}
		2396
		2397	sub init {
		2398	reload_resources;
		2399	}
2207		2400
2208	sub cfg_load {	2401	sub cfg_load {
2209	open my $fh, "<:utf8", cf::confdir . "/config"	2402	open my $fh, "<:utf8", cf::confdir . "/config"
2210	or return;	2403	or return;
2211		2404
…		…
2234	Event::one_event;	2427	Event::one_event;
2235	})->prio (Coro::PRIO_MAX);	2428	})->prio (Coro::PRIO_MAX);
2236	};	2429	};
2237		2430
2238	cfg_load;	2431	cfg_load;
2239	db_load;	2432	db_init;
2240	load_extensions;	2433	load_extensions;
		2434
		2435	$TICK_WATCHER->start;
2241	Event::loop;	2436	Event::loop;
2242	}	2437	}
2243		2438
2244	#############################################################################	2439	#############################################################################
2245	# initialisation and cleanup	2440	# initialisation and cleanup
2246		2441
2247	# install some emergency cleanup handlers	2442	# install some emergency cleanup handlers
2248	BEGIN {	2443	BEGIN {
2249	for my $signal (qw(INT HUP TERM)) {	2444	for my $signal (qw(INT HUP TERM)) {
2250	Event->signal (	2445	Event->signal (
		2446	reentrant => 0,
2251	data => WF_AUTOCANCEL,	2447	data => WF_AUTOCANCEL,
2252	signal => $signal,	2448	signal => $signal,
		2449	prio => 0,
2253	cb => sub {	2450	cb => sub {
2254	cf::cleanup "SIG$signal";	2451	cf::cleanup "SIG$signal";
2255	},	2452	},
2256	);	2453	);
2257	}	2454	}
2258	}	2455	}
…		…
2279	my $map = $cf::MAP{$path} or next;	2476	my $map = $cf::MAP{$path} or next;
2280	$map->valid or next;	2477	$map->valid or next;
2281	$map->save;	2478	$map->save;
2282	}	2479	}
2283	warn "end emergency map save\n";	2480	warn "end emergency map save\n";
		2481
		2482	warn "begin emergency database checkpoint\n";
		2483	BDB::db_env_txn_checkpoint $DB_ENV;
		2484	warn "end emergency database checkpoint\n";
2284	};	2485	};
2285		2486
2286	warn "leave emergency perl save\n";	2487	warn "leave emergency perl save\n";
		2488	}
		2489
		2490	sub post_cleanup {
		2491	my ($make_core) = @_;
		2492
		2493	warn Carp::longmess "post_cleanup backtrace"
		2494	if $make_core;
2287	}	2495	}
2288		2496
2289	sub reload() {	2497	sub reload() {
2290	# can/must only be called in main	2498	# can/must only be called in main
2291	if ($Coro::current != $Coro::main) {	2499	if ($Coro::current != $Coro::main) {
2292	warn "can only reload from main coroutine\n";	2500	warn "can only reload from main coroutine";
2293	return;	2501	return;
2294	}	2502	}
2295		2503
2296	warn "reloading...";	2504	warn "reloading...";
2297		2505
2298	warn "freezing server";	2506	warn "entering sync_job";
2299	my $guard = freeze_mainloop;	2507
		2508	cf::sync_job {
		2509	cf::write_runtime; # external watchdog should not bark
2300	cf::emergency_save;	2510	cf::emergency_save;
		2511	cf::write_runtime; # external watchdog should not bark
2301		2512
2302	warn "sync database to disk";	2513	warn "syncing database to disk";
2303	cf::db_sync;	2514	BDB::db_env_txn_checkpoint $DB_ENV;
2304	IO::AIO::flush;
2305		2515
2306	eval {
2307	# if anything goes wrong in here, we should simply crash as we already saved	2516	# if anything goes wrong in here, we should simply crash as we already saved
2308		2517
2309	warn "cancel all watchers";	2518	warn "cancelling all WF_AUTOCANCEL watchers";
2310	for (Event::all_watchers) {	2519	for (Event::all_watchers) {
2311	$_->cancel if $_->data & WF_AUTOCANCEL;	2520	$_->cancel if $_->data & WF_AUTOCANCEL;
2312	}	2521	}
2313		2522
		2523	warn "flushing outstanding aio requests";
		2524	for (;;) {
		2525	BDB::flush;
		2526	IO::AIO::flush;
		2527	Coro::cede;
		2528	last unless IO::AIO::nreqs || BDB::nreqs;
		2529	warn "iterate...";
		2530	}
		2531
		2532	++$RELOAD;
		2533
2314	warn "cancel all extension coros";	2534	warn "cancelling all extension coros";
2315	$_->cancel for values %EXT_CORO;	2535	$_->cancel for values %EXT_CORO;
2316	%EXT_CORO = ();	2536	%EXT_CORO = ();
2317		2537
2318	warn "remove commands";	2538	warn "removing commands";
2319	%COMMAND = ();	2539	%COMMAND = ();
2320		2540
2321	warn "remove ext commands";	2541	warn "removing ext commands";
2322	%EXTCMD = ();	2542	%EXTCMD = ();
2323		2543
2324	warn "unload/nuke all extensions";	2544	warn "unloading/nuking all extensions";
2325	for my $pkg (@EXTS) {	2545	for my $pkg (@EXTS) {
2326	warn "... unloading $pkg";	2546	warn "... unloading $pkg";
2327		2547
2328	if (my $cb = $pkg->can ("unload")) {	2548	if (my $cb = $pkg->can ("unload")) {
2329	eval {	2549	eval {
…		…
2334		2554
2335	warn "... nuking $pkg";	2555	warn "... nuking $pkg";
2336	Symbol::delete_package $pkg;	2556	Symbol::delete_package $pkg;
2337	}	2557	}
2338		2558
2339	warn "unload all perl modules loaded from $LIBDIR";	2559	warn "unloading all perl modules loaded from $LIBDIR";
2340	while (my ($k, $v) = each %INC) {	2560	while (my ($k, $v) = each %INC) {
2341	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2561	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2342		2562
2343	warn "removing <$k>";	2563	warn "... unloading $k";
2344	delete $INC{$k};	2564	delete $INC{$k};
2345		2565
2346	$k =~ s/\.pm$//;	2566	$k =~ s/\.pm$//;
2347	$k =~ s/\//::/g;	2567	$k =~ s/\//::/g;
2348		2568
…		…
2351	}	2571	}
2352		2572
2353	Symbol::delete_package $k;	2573	Symbol::delete_package $k;
2354	}	2574	}
2355		2575
2356	warn "get rid of safe::, as good as possible";	2576	warn "getting rid of safe::, as good as possible";
2357	Symbol::delete_package "safe::$_"	2577	Symbol::delete_package "safe::$_"
2358	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2578	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2359		2579
2360	warn "unload cf.pm \"a bit\"";	2580	warn "unloading cf.pm \"a bit\"";
2361	delete $INC{"cf.pm"};	2581	delete $INC{"cf.pm"};
2362		2582
2363	# don't, removes xs symbols, too,	2583	# don't, removes xs symbols, too,
2364	# and global variables created in xs	2584	# and global variables created in xs
2365	#Symbol::delete_package __PACKAGE__;	2585	#Symbol::delete_package __PACKAGE__;
2366		2586
		2587	warn "unload completed, starting to reload now";
		2588
2367	warn "reloading cf.pm";	2589	warn "reloading cf.pm";
2368	require cf;	2590	require cf;
2369	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2591	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2370		2592
2371	warn "load config and database again";	2593	warn "loading config and database again";
2372	cf::cfg_load;	2594	cf::cfg_load;
2373	cf::db_load;
2374		2595
2375	warn "load extensions";	2596	warn "loading extensions";
2376	cf::load_extensions;	2597	cf::load_extensions;
2377		2598
2378	warn "reattach attachments to objects/players";	2599	warn "reattaching attachments to objects/players";
2379	_global_reattach;	2600	_global_reattach; # objects, sockets
2380	warn "reattach attachments to maps";	2601	warn "reattaching attachments to maps";
2381	reattach $_ for values %MAP;	2602	reattach $_ for values %MAP;
2382	};	2603	warn "reattaching attachments to players";
		2604	reattach $_ for values %PLAYER;
2383		2605
2384	if ($@) {	2606	warn "loading reloadable resources";
		2607	reload_resources;
		2608
		2609	warn "leaving sync_job";
		2610
		2611	1
		2612	} or do {
2385	warn $@;	2613	warn $@;
2386	warn "error while reloading, exiting.";	2614	warn "error while reloading, exiting.";
2387	exit 1;	2615	exit 1;
2388	}	2616	};
2389		2617
2390	warn "reloaded";	2618	warn "reloaded";
2391	};	2619	};
2392		2620
2393	our $RELOAD_WATCHER; # used only during reload	2621	our $RELOAD_WATCHER; # used only during reload
…		…
2399	$who->message ("reloading server.");	2627	$who->message ("reloading server.");
2400		2628
2401	# doing reload synchronously and two reloads happen back-to-back,	2629	# doing reload synchronously and two reloads happen back-to-back,
2402	# coro crashes during coro_state_free->destroy here.	2630	# coro crashes during coro_state_free->destroy here.
2403		2631
2404	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {	2632	$RELOAD_WATCHER ||= Event->timer (
		2633	reentrant => 0,
		2634	after => 0,
		2635	data => WF_AUTOCANCEL,
		2636	cb => sub {
2405	reload;	2637	reload;
2406	undef $RELOAD_WATCHER;	2638	undef $RELOAD_WATCHER;
		2639	},
2407	});	2640	);
2408	}	2641	}
2409	};	2642	};
2410		2643
2411	unshift @INC, $LIBDIR;	2644	unshift @INC, $LIBDIR;
		2645
		2646	my $bug_warning = 0;
2412		2647
2413	$TICK_WATCHER = Event->timer (	2648	$TICK_WATCHER = Event->timer (
2414	reentrant => 0,	2649	reentrant => 0,
		2650	parked => 1,
2415	prio => 0,	2651	prio => 0,
2416	at => $NEXT_TICK || $TICK,	2652	at => $NEXT_TICK || $TICK,
2417	data => WF_AUTOCANCEL,	2653	data => WF_AUTOCANCEL,
2418	cb => sub {	2654	cb => sub {
		2655	if ($Coro::current != $Coro::main) {
		2656	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2657	unless ++$bug_warning > 10;
		2658	return;
		2659	}
		2660
2419	$NOW = Event::time;	2661	$NOW = Event::time;
2420		2662
2421	cf::server_tick; # one server iteration	2663	cf::server_tick; # one server iteration
2422	$RUNTIME += $TICK;	2664	$RUNTIME += $TICK;
2423	$NEXT_TICK += $TICK;	2665	$NEXT_TICK += $TICK;
2424		2666
		2667	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2668	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2669	Coro::async_pool {
		2670	write_runtime
		2671	or warn "ERROR: unable to write runtime file: $!";
		2672	};
		2673	}
		2674
2425	$WAIT_FOR_TICK->broadcast;	2675	$WAIT_FOR_TICK->broadcast;
2426	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2676	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2677
		2678	# my $AFTER = Event::time;
		2679	# warn $AFTER - $NOW;#d#
2427		2680
2428	# if we are delayed by four ticks or more, skip them all	2681	# if we are delayed by four ticks or more, skip them all
2429	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2682	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2430		2683
2431	$TICK_WATCHER->at ($NEXT_TICK);	2684	$TICK_WATCHER->at ($NEXT_TICK);
2432	$TICK_WATCHER->start;	2685	$TICK_WATCHER->start;
2433	},	2686	},
2434	);	2687	);
2435		2688
		2689	{
		2690	BDB::max_poll_time $TICK * 0.1;
		2691	$BDB_POLL_WATCHER = Event->io (
		2692	reentrant => 0,
		2693	fd => BDB::poll_fileno,
		2694	poll => 'r',
		2695	prio => 0,
		2696	data => WF_AUTOCANCEL,
		2697	cb => \&BDB::poll_cb,
		2698	);
		2699	BDB::min_parallel 8;
		2700
		2701	BDB::set_sync_prepare {
		2702	my $status;
		2703	my $current = $Coro::current;
		2704	(
		2705	sub {
		2706	$status = $!;
		2707	$current->ready; undef $current;
		2708	},
		2709	sub {
		2710	Coro::schedule while defined $current;
		2711	$! = $status;
		2712	},
		2713	)
		2714	};
		2715
		2716	unless ($DB_ENV) {
		2717	$DB_ENV = BDB::db_env_create;
		2718
		2719	cf::sync_job {
		2720	eval {
		2721	BDB::db_env_open
		2722	$DB_ENV,
		2723	$BDB_ENV_DIR,
		2724	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2725	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2726	0666;
		2727
		2728	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2729
		2730	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2731	$DB_ENV->set_lk_detect;
		2732	};
		2733
		2734	cf::cleanup "db_env_open(db): $@" if $@;
		2735	};
		2736	}
		2737	}
		2738
		2739	{
		2740	IO::AIO::min_parallel 8;
		2741
		2742	undef $Coro::AIO::WATCHER;
2436	IO::AIO::max_poll_time $TICK * 0.2;	2743	IO::AIO::max_poll_time $TICK * 0.1;
2437
2438	$AIO_POLL_WATCHER = Event->io (	2744	$AIO_POLL_WATCHER = Event->io (
2439	fd => IO::AIO::poll_fileno,	2745	reentrant => 0,
2440	poll => 'r',
2441	prio => 5,
2442	data => WF_AUTOCANCEL,
2443	cb => \&IO::AIO::poll_cb,
2444	);
2445
2446	$WRITE_RUNTIME_WATCHER = Event->timer (
2447	data => WF_AUTOCANCEL,	2746	data => WF_AUTOCANCEL,
2448	after => 0,	2747	fd => IO::AIO::poll_fileno,
2449	interval => 10,	2748	poll => 'r',
2450	cb => sub {	2749	prio => 6,
2451	(Coro::unblock_sub {	2750	cb => \&IO::AIO::poll_cb,
2452	write_runtime	2751	);
2453	or warn "ERROR: unable to write runtime file: $!";	2752	}
2454	})->();
2455	},
2456	);
2457		2753
2458	END { cf::emergency_save }	2754	END { cf::emergency_save }
2459		2755
2460	1	2756	1
2461		2757

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