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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.168 by root, Sun Jan 14 00:37:14 2007 UTC vs.
Revision 1.231 by root, Wed Apr 4 00:02:06 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Storable;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
12		13
13	use Coro 3.3 ();	14	use Coro 3.52 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
19		21
		22	use BDB ();
20	use Data::Dumper;	23	use Data::Dumper;
21	use Digest::MD5;	24	use Digest::MD5;
22	use Fcntl;	25	use Fcntl;
		26	use YAML::Syck ();
23	use IO::AIO 2.32 ();	27	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	28	use Time::HiRes;
		29	use Compress::LZF;
26		30
		31	# configure various modules to our taste
		32	#
		33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		35
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	36	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		37
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	39	$YAML::Syck::ImplicitUnicode = 1;
33		40
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		42
		43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		44
36	our %COMMAND = ();	45	our %COMMAND = ();
37	our %COMMAND_TIME = ();	46	our %COMMAND_TIME = ();
38		47
39	our @EXTS = (); # list of extension package names	48	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	49	our %EXTCMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	50	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	51	our %EXT_MAP = (); # pluggable maps
43		52
		53	our $RELOAD; # number of reloads so far
44	our @EVENT;	54	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	55	our $LIBDIR = datadir . "/ext";
46		56
47	our $TICK = MAX_TIME * 1e-6;	57	our $TICK = MAX_TIME * 1e-6;
48	our $TICK_WATCHER;	58	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	59	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	61	our $NEXT_TICK;
52	our $NOW;	62	our $NOW;
		63	our $USE_FSYNC = 1; # use fsync to write maps - default off
		64
		65	our $BDB_POLL_WATCHER;
		66	our $DB_ENV;
53		67
54	our %CFG;	68	our %CFG;
55		69
56	our $UPTIME; $UPTIME ||= time;	70	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	71	our $RUNTIME;
58		72
59	our %PLAYER; # all users	73	our %PLAYER; # all users
60	our %MAP; # all maps	74	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	75	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";	76	our $RANDOM_MAPS = cf::localdir . "/random";
		77	our $BDB_ENV_DIR = cf::localdir . "/db";
63		78
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		81
67	# used to convert map paths into valid unix filenames by replacing / by ∕	82	# used to convert map paths into valid unix filenames by replacing / by ∕
…		…
80	mkdir cf::localdir;	95	mkdir cf::localdir;
81	mkdir cf::localdir . "/" . cf::playerdir;	96	mkdir cf::localdir . "/" . cf::playerdir;
82	mkdir cf::localdir . "/" . cf::tmpdir;	97	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;	98	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;	99	mkdir $RANDOM_MAPS;
		100	mkdir $BDB_ENV_DIR;
85		101
86	our $EMERGENCY_POSITION;	102	our $EMERGENCY_POSITION;
		103
		104	sub cf::map::normalise;
87		105
88	#############################################################################	106	#############################################################################
89		107
90	=head2 GLOBAL VARIABLES	108	=head2 GLOBAL VARIABLES
91		109
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	209	$d
192	} || "[unable to dump $_[0]: '$@']";	210	} || "[unable to dump $_[0]: '$@']";
193	}	211	}
194		212
195	use JSON::Syck (); # TODO# replace by JSON::PC once working	213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
196		214
197	=item $ref = cf::from_json $json	215	=item $ref = cf::from_json $json
198		216
199	Converts a JSON string into the corresponding perl data structure.	217	Converts a JSON string into the corresponding perl data structure.
200		218
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	219	=item $json = cf::to_json $ref
209		220
210	Converts a perl data structure into its JSON representation.	221	Converts a perl data structure into its JSON representation.
211
212	=cut
213
214	sub to_json($) {
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
216	JSON::Syck::Dump $_[0]
217	}
218		222
219	=item cf::lock_wait $string	223	=item cf::lock_wait $string
220		224
221	Wait until the given lock is available. See cf::lock_acquire.	225	Wait until the given lock is available. See cf::lock_acquire.
222		226
…		…
261	sub freeze_mainloop {	265	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	266	return unless $TICK_WATCHER->is_active;
263		267
264	my $guard = Coro::guard {	268	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	269	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	270	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	271	$TICK_WATCHER->stop;
270	$guard	272	$guard
271	}	273	}
272		274
273	=item cf::async { BLOCK }	275	=item cf::async { BLOCK }
…		…
344		346
345	$coro	347	$coro
346	}	348	}
347		349
348	sub write_runtime {	350	sub write_runtime {
		351	my $guard = cf::lock_acquire "write_runtime";
		352
349	my $runtime = cf::localdir . "/runtime";	353	my $runtime = cf::localdir . "/runtime";
350		354
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
352	or return;	356	or return;
353		357
		358	my $value = $cf::RUNTIME + 90 + 10;
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	359	# 10 is the runtime save interval, for a monotonic clock
		360	# 60 allows for the watchdog to kill the server.
		361
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0	362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;	363	and return;
357		364
		365	# always fsync - this file is important
358	aio_fsync $fh	366	aio_fsync $fh
359	and return;	367	and return;
360		368
361	close $fh	369	close $fh
362	or return;	370	or return;
363		371
364	aio_rename "$runtime~", $runtime	372	aio_rename "$runtime~", $runtime
365	and return;	373	and return;
366		374
367	1	375	1
		376	}
		377
		378	=item cf::datalog type => key => value, ...
		379
		380	Log a datalog packet of the given type with the given key-value pairs.
		381
		382	=cut
		383
		384	sub datalog($@) {
		385	my ($type, %kv) = @_;
		386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	387	}
369		388
370	=back	389	=back
371		390
372	=cut	391	=cut
…		…
503	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
504	our @CB_MAP = ();	523	our @CB_MAP = ();
505		524
506	my %attachment;	525	my %attachment;
507		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
508	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
509	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
510		535
511	use sort 'stable';	536	use sort 'stable';
512		537
…		…
683	# object support	708	# object support
684		709
685	sub reattach {	710	sub reattach {
686	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
687	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
688		715
689	my $registry = $obj->registry;	716	my $registry = $obj->registry;
690		717
691	@$registry = ();	718	@$registry = ();
692		719
…		…
739	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
740		767
741	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
742	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
743	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
744	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
745	close $fh;	772	close $fh;
746		773
747	if (@$objs) {	774	if (@$objs) {
748	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
749	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
750	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
751	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
752	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	780	close $fh;
754	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
755	}	782	}
756	} else {	783	} else {
757	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
949		976
950	sub exists($) {	977	sub exists($) {
951	my ($login) = @_;	978	my ($login) = @_;
952		979
953	$cf::PLAYER{$login}	980	$cf::PLAYER{$login}
954	or cf::sync_job { !aio_stat $login }	981	or cf::sync_job { !aio_stat path $login }
955	}	982	}
956		983
957	sub find($) {	984	sub find($) {
958	return $cf::PLAYER{$_[0]} || do {	985	return $cf::PLAYER{$_[0]} || do {
959	my $login = $_[0];	986	my $login = $_[0];
…		…
1005		1032
1006	=cut	1033	=cut
1007		1034
1008	sub quit_character {	1035	sub quit_character {
1009	my ($pl) = @_;	1036	my ($pl) = @_;
		1037
		1038	my $name = $pl->ob->name;
1010		1039
1011	$pl->{deny_save} = 1;	1040	$pl->{deny_save} = 1;
1012	$pl->password ("*"); # this should lock out the player until we nuked the dir	1041	$pl->password ("*"); # this should lock out the player until we nuked the dir
1013		1042
1014	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1019	my $path = playerdir $pl;	1048	my $path = playerdir $pl;
1020	my $temp = "$path~$cf::RUNTIME~deleting~";	1049	my $temp = "$path~$cf::RUNTIME~deleting~";
1021	aio_rename $path, $temp;	1050	aio_rename $path, $temp;
1022	delete $cf::PLAYER{$pl->ob->name};	1051	delete $cf::PLAYER{$pl->ob->name};
1023	$pl->destroy;	1052	$pl->destroy;
		1053
		1054	my $prefix = qr<^~\Q$name\E/>;
		1055
		1056	# nuke player maps
		1057	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1058
1024	IO::AIO::aio_rmtree $temp;	1059	IO::AIO::aio_rmtree $temp;
		1060	}
		1061
		1062	=item $pl->kick
		1063
		1064	Kicks a player out of the game. This destroys the connection.
		1065
		1066	=cut
		1067
		1068	sub kick {
		1069	my ($pl, $kicker) = @_;
		1070
		1071	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1072	$pl->killer ("kicked");
		1073	$pl->ns->destroy;
1025	}	1074	}
1026		1075
1027	=item cf::player::list_logins	1076	=item cf::player::list_logins
1028		1077
1029	Returns am arrayref of all valid playernames in the system, can take a	1078	Returns am arrayref of all valid playernames in the system, can take a
…		…
1057	=cut	1106	=cut
1058		1107
1059	sub maps($) {	1108	sub maps($) {
1060	my ($pl) = @_;	1109	my ($pl) = @_;
1061		1110
		1111	$pl = ref $pl ? $pl->ob->name : $pl;
		1112
1062	my $files = aio_readdir playerdir $pl	1113	my $files = aio_readdir playerdir $pl
1063	or return;	1114	or return;
1064		1115
1065	my @paths;	1116	my @paths;
1066		1117
1067	for (@$files) {	1118	for (@$files) {
1068	utf8::decode $_;	1119	utf8::decode $_;
1069	next if /\.(?:pl|pst)$/;	1120	next if /\.(?:pl|pst)$/;
1070	next unless /^$PATH_SEP/o;	1121	next unless /^$PATH_SEP/o;
1071		1122
1072	s/\.map$//;	1123	push @paths, cf::map::normalise "~$pl/$_";
1073	push @paths, "~" . $pl->ob->name . "/" . $_;
1074	}	1124	}
1075		1125
1076	\@paths	1126	\@paths
1077	}	1127	}
1078		1128
1079	=item $player->ext_reply ($msgid, $msgtype, %msg)	1129	=item $player->ext_reply ($msgid, %msg)
1080		1130
1081	Sends an ext reply to the player.	1131	Sends an ext reply to the player.
1082		1132
1083	=cut	1133	=cut
1084		1134
1085	sub ext_reply($$$%) {	1135	sub ext_reply($$%) {
1086	my ($self, $id, %msg) = @_;	1136	my ($self, $id, %msg) = @_;
1087		1137
1088	$msg{msgid} = $id;	1138	$msg{msgid} = $id;
		1139
		1140	$self->send ("ext " . cf::to_json \%msg);
		1141	}
		1142
		1143	=item $player->ext_event ($type, %msg)
		1144
		1145	Sends an ext event to the client.
		1146
		1147	=cut
		1148
		1149	sub ext_event($$%) {
		1150	my ($self, $type, %msg) = @_;
		1151
		1152	delete $msg{msgid};
		1153	$msg{msgtype} = "event";
		1154	$msg{eventtype} = $type;
1089		1155
1090	$self->send ("ext " . cf::to_json \%msg);	1156	$self->send ("ext " . cf::to_json \%msg);
1091	}	1157	}
1092		1158
1093	package cf;	1159	package cf;
…		…
1105		1171
1106	use Fcntl;	1172	use Fcntl;
1107	use Coro::AIO;	1173	use Coro::AIO;
1108		1174
1109	use overload	1175	use overload
1110	'""' => \&as_string;	1176	'""' => \&as_string,
		1177	fallback => 1;
1111		1178
1112	our $MAX_RESET = 3600;	1179	our $MAX_RESET = 3600;
1113	our $DEFAULT_RESET = 3000;	1180	our $DEFAULT_RESET = 3000;
1114		1181
1115	sub generate_random_map {	1182	sub generate_random_map {
1116	my ($self, $rmp) = @_;	1183	my ($self, $rmp) = @_;
1117
1118	# mit "rum" bekleckern, nicht	1184	# mit "rum" bekleckern, nicht
1119	$self->_create_random_map (	1185	$self->_create_random_map (
1120	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1186	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1121	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1187	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1122	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1188	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1129	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1195	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1130	(cf::region::find $rmp->{region}), $rmp->{custom}	1196	(cf::region::find $rmp->{region}), $rmp->{custom}
1131	)	1197	)
1132	}	1198	}
1133		1199
		1200	=item cf::map->register ($regex, $prio)
		1201
		1202	Register a handler for the map path matching the given regex at the
		1203	givne priority (higher is better, built-in handlers have priority 0, the
		1204	default).
		1205
		1206	=cut
		1207
1134	sub register {	1208	sub register {
1135	my (undef, $regex) = @_;	1209	my (undef, $regex, $prio) = @_;
1136	my $pkg = caller;	1210	my $pkg = caller;
1137		1211
1138	no strict;	1212	no strict;
1139	push @{"$pkg\::ISA"}, __PACKAGE__;	1213	push @{"$pkg\::ISA"}, __PACKAGE__;
1140		1214
1141	$EXT_MAP{$pkg} = qr<$regex>;	1215	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1142	}	1216	}
1143		1217
1144	# also paths starting with '/'	1218	# also paths starting with '/'
1145	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1219	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1220
		1221	sub thawer_merge {
		1222	my ($self, $merge) = @_;
		1223
		1224	# we have to keep some variables in memory intact
		1225	local $self->{path};
		1226	local $self->{load_path};
		1227	local $self->{deny_save};
		1228	local $self->{deny_reset};
		1229
		1230	$self->SUPER::thawer_merge ($merge);
		1231	}
1146		1232
1147	sub normalise {	1233	sub normalise {
1148	my ($path, $base) = @_;	1234	my ($path, $base) = @_;
		1235
		1236	$path = "$path"; # make sure its a string
		1237
		1238	$path =~ s/\.map$//;
1149		1239
1150	# map plan:	1240	# map plan:
1151	#	1241	#
1152	# /! non-realised random map exit (special hack!)	1242	# /! non-realised random map exit (special hack!)
1153	# {... are special paths that are not being touched	1243	# {... are special paths that are not being touched
…		…
1181		1271
1182	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1272	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1183		1273
1184	$path = normalise $path, $base;	1274	$path = normalise $path, $base;
1185		1275
1186	for my $pkg (keys %EXT_MAP) {	1276	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1187	if ($path =~ $EXT_MAP{$pkg}) {	1277	if ($path =~ $EXT_MAP{$pkg}[1]) {
1188	my $self = bless cf::map::new, $pkg;	1278	my $self = bless cf::map::new, $pkg;
1189	$self->{path} = $path; $self->path ($path);	1279	$self->{path} = $path; $self->path ($path);
1190	$self->init; # pass $1 etc.	1280	$self->init; # pass $1 etc.
1191	return $self;	1281	return $self;
1192	}	1282	}
1193	}	1283	}
1194		1284
1195	Carp::carp "unable to resolve path '$path'.";	1285	Carp::carp "unable to resolve path '$path' (base '$base').";
1196	()	1286	()
1197	}	1287	}
1198		1288
1199	sub init {	1289	sub init {
1200	my ($self) = @_;	1290	my ($self) = @_;
…		…
1215		1305
1216	# the original (read-only) location	1306	# the original (read-only) location
1217	sub load_path {	1307	sub load_path {
1218	my ($self) = @_;	1308	my ($self) = @_;
1219		1309
1220	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1310	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
1221	}	1311	}
1222		1312
1223	# the temporary/swap location	1313	# the temporary/swap location
1224	sub save_path {	1314	sub save_path {
1225	my ($self) = @_;	1315	my ($self) = @_;
1226		1316
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1317	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1318	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
1229	}	1319	}
1230		1320
1231	# the unique path, undef == no special unique path	1321	# the unique path, undef == no special unique path
1232	sub uniq_path {	1322	sub uniq_path {
1233	my ($self) = @_;	1323	my ($self) = @_;
…		…
1247		1337
1248	sub unlink_save {	1338	sub unlink_save {
1249	my ($self) = @_;	1339	my ($self) = @_;
1250		1340
1251	utf8::encode (my $save = $self->save_path);	1341	utf8::encode (my $save = $self->save_path);
1252	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1342	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1253	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1343	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1254	}	1344	}
1255		1345
1256	sub load_header_from($) {	1346	sub load_header_from($) {
1257	my ($self, $path) = @_;	1347	my ($self, $path) = @_;
1258		1348
1259	utf8::encode $path;	1349	utf8::encode $path;
1260	aio_open $path, O_RDONLY, 0	1350	#aio_open $path, O_RDONLY, 0
1261	or return;	1351	# or return;
1262		1352
1263	$self->_load_header ($path)	1353	$self->_load_header ($path)
1264	or return;	1354	or return;
1265		1355
1266	$self->{load_path} = $path;	1356	$self->{load_path} = $path;
1267		1357
1268	1	1358	1
1269	}	1359	}
1270		1360
1271	sub load_orig {	1361	sub load_header_orig {
1272	my ($self) = @_;	1362	my ($self) = @_;
1273		1363
1274	$self->load_header_from ($self->load_path)	1364	$self->load_header_from ($self->load_path)
1275	}	1365	}
1276		1366
1277	sub load_temp {	1367	sub load_header_temp {
1278	my ($self) = @_;	1368	my ($self) = @_;
1279		1369
1280	$self->load_header_from ($self->save_path)	1370	$self->load_header_from ($self->save_path)
		1371	}
		1372
		1373	sub prepare_temp {
		1374	my ($self) = @_;
		1375
		1376	$self->last_access ((delete $self->{last_access})
		1377	|| $cf::RUNTIME); #d#
		1378	# safety
		1379	$self->{instantiate_time} = $cf::RUNTIME
		1380	if $self->{instantiate_time} > $cf::RUNTIME;
		1381	}
		1382
		1383	sub prepare_orig {
		1384	my ($self) = @_;
		1385
		1386	$self->{load_original} = 1;
		1387	$self->{instantiate_time} = $cf::RUNTIME;
		1388	$self->last_access ($cf::RUNTIME);
		1389	$self->instantiate;
1281	}	1390	}
1282		1391
1283	sub load_header {	1392	sub load_header {
1284	my ($self) = @_;	1393	my ($self) = @_;
1285		1394
1286	if ($self->load_temp) {	1395	if ($self->load_header_temp) {
1287	$self->last_access ((delete $self->{last_access})	1396	$self->prepare_temp;
1288	|| $cf::RUNTIME); #d#
1289	# safety
1290	$self->{instantiate_time} = $cf::RUNTIME
1291	if $self->{instantiate_time} > $cf::RUNTIME;
1292	} else {	1397	} else {
1293	$self->load_orig	1398	$self->load_header_orig
1294	or return;	1399	or return;
1295		1400	$self->prepare_orig;
1296	$self->{load_original} = 1;
1297	$self->{instantiate_time} = $cf::RUNTIME;
1298	$self->last_access ($cf::RUNTIME);
1299	$self->instantiate;
1300	}	1401	}
1301		1402
1302	1	1403	1
1303	}	1404	}
1304		1405
…		…
1318	$map->{last_save} = $cf::RUNTIME;	1419	$map->{last_save} = $cf::RUNTIME;
1319		1420
1320	$map->load_header	1421	$map->load_header
1321	or return;	1422	or return;
1322		1423
1323	if ($map->should_reset) {	1424	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1425	# doing this can freeze the server in a sync job, obviously
		1426	#$cf::WAIT_FOR_TICK->wait;
1324	$map->reset;	1427	$map->reset;
1325	undef $guard;	1428	undef $guard;
1326	$map = find $path	1429	return find $path;
1327	or return;
1328	}	1430	}
1329		1431
1330	$cf::MAP{$path} = $map	1432	$cf::MAP{$path} = $map
1331	}	1433	}
1332	}	1434	}
		1435
		1436	sub pre_load { }
		1437	sub post_load { }
1333		1438
1334	sub load {	1439	sub load {
1335	my ($self) = @_;	1440	my ($self) = @_;
1336		1441
		1442	local $self->{deny_reset} = 1; # loading can take a long time
		1443
1337	my $path = $self->{path};	1444	my $path = $self->{path};
1338	my $guard = cf::lock_acquire "map_load:$path";	1445	my $guard = cf::lock_acquire "map_load:$path";
1339		1446
1340	return if $self->in_memory != cf::MAP_SWAPPED;	1447	return if $self->in_memory != cf::MAP_SWAPPED;
1341		1448
1342	$self->in_memory (cf::MAP_LOADING);	1449	$self->in_memory (cf::MAP_LOADING);
1343		1450
1344	$self->alloc;	1451	$self->alloc;
		1452
		1453	$self->pre_load;
		1454
1345	$self->_load_objects ($self->{load_path}, 1)	1455	$self->_load_objects ($self->{load_path}, 1)
1346	or return;	1456	or return;
1347		1457
1348	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1458	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1349	if delete $self->{load_original};	1459	if delete $self->{load_original};
…		…
1371	unless $self->difficulty;	1481	unless $self->difficulty;
1372	Coro::cede;	1482	Coro::cede;
1373	$self->activate;	1483	$self->activate;
1374	}	1484	}
1375		1485
		1486	$self->post_load;
		1487
1376	$self->in_memory (cf::MAP_IN_MEMORY);	1488	$self->in_memory (cf::MAP_IN_MEMORY);
1377	}	1489	}
1378		1490
1379	sub customise_for {	1491	sub customise_for {
1380	my ($self, $ob) = @_;	1492	my ($self, $ob) = @_;
…		…
1420		1532
1421	cf::sync_job { $map->load };	1533	cf::sync_job { $map->load };
1422	}	1534	}
1423		1535
1424	our %MAP_PREFETCH;	1536	our %MAP_PREFETCH;
1425	our $MAP_PREFETCHER = Coro::async {	1537	our $MAP_PREFETCHER = undef;
1426	while () {
1427	for my $path (keys %MAP_PREFETCH) {
1428	my $map = find $path
1429	or next;
1430	$map->load;
1431
1432	delete $MAP_PREFETCH{$path};
1433	}
1434	Coro::schedule;
1435	}
1436	};
1437		1538
1438	sub find_async {	1539	sub find_async {
1439	my ($path, $origin) = @_;	1540	my ($path, $origin) = @_;
1440		1541
1441	$path = normalise $path, $origin && $origin->{path};	1542	$path = normalise $path, $origin && $origin->{path};
1442		1543
1443	if (my $map = $cf::MAP{$path}) {	1544	if (my $map = $cf::MAP{$path}) {
1444	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1545	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1445	}	1546	}
1446		1547
1447	$MAP_PREFETCH{$path} = 0;	1548	undef $MAP_PREFETCH{$path};
		1549	$MAP_PREFETCHER ||= cf::async {
		1550	while (%MAP_PREFETCH) {
		1551	for my $path (keys %MAP_PREFETCH) {
		1552	my $map = find $path
		1553	or next;
		1554	$map->load;
		1555
		1556	delete $MAP_PREFETCH{$path};
		1557	}
		1558	}
		1559	undef $MAP_PREFETCHER;
		1560	};
1448	$MAP_PREFETCHER->ready;	1561	$MAP_PREFETCHER->prio (6);
1449		1562
1450	()	1563	()
1451	}	1564	}
1452		1565
1453	sub save {	1566	sub save {
…		…
1498		1611
1499	sub reset_at {	1612	sub reset_at {
1500	my ($self) = @_;	1613	my ($self) = @_;
1501		1614
1502	# TODO: safety, remove and allow resettable per-player maps	1615	# TODO: safety, remove and allow resettable per-player maps
1503	return 1e99 if $self->isa ("ext::map_per_player");	1616	return 1e99 if $self->isa ("ext::map_per_player");#d#
1504	return 1e99 if $self->{deny_reset};	1617	return 1e99 if $self->{deny_reset};
1505		1618
1506	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1619	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1507	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1620	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1508		1621
…		…
1513	my ($self) = @_;	1626	my ($self) = @_;
1514		1627
1515	$self->reset_at <= $cf::RUNTIME	1628	$self->reset_at <= $cf::RUNTIME
1516	}	1629	}
1517		1630
1518	sub rename {
1519	my ($self, $new_path) = @_;
1520
1521	normalise $new_path;
1522
1523	$self->unlink_save;
1524
1525	delete $cf::MAP{$self->path};
1526	$self->{path} = $new_path; $self->path ($self->{path});
1527	$cf::MAP{$self->path} = $self;
1528
1529	$self->save;
1530	}
1531
1532	sub reset {	1631	sub reset {
1533	my ($self) = @_;	1632	my ($self) = @_;
1534		1633
1535	my $lock = cf::lock_acquire "map_data:$self->{path}";	1634	my $lock = cf::lock_acquire "map_data:$self->{path}";
1536		1635
1537	return if $self->players;	1636	return if $self->players;
1538	return if $self->isa ("ext::map_per_player");#d#	1637	return if $self->isa ("ext::map_per_player");#d#
1539		1638
1540	warn "resetting map ", $self->path;#d#	1639	warn "resetting map ", $self->path;#d#
1541		1640
		1641	$self->in_memory (cf::MAP_SWAPPED);
		1642
		1643	# need to save uniques path
		1644	unless ($self->{deny_save}) {
		1645	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1646
		1647	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1648	if $uniq;
		1649	}
		1650
1542	delete $cf::MAP{$self->path};	1651	delete $cf::MAP{$self->path};
1543		1652
1544	$self->in_memory (cf::MAP_SWAPPED);
1545	$self->clear;	1653	$self->clear;
1546		1654
1547	$_->clear_links_to ($self) for values %cf::MAP;	1655	$_->clear_links_to ($self) for values %cf::MAP;
1548		1656
1549	$self->unlink_save;	1657	$self->unlink_save;
…		…
1553	my $nuke_counter = "aaaa";	1661	my $nuke_counter = "aaaa";
1554		1662
1555	sub nuke {	1663	sub nuke {
1556	my ($self) = @_;	1664	my ($self) = @_;
1557		1665
		1666	delete $cf::MAP{$self->path};
		1667
		1668	$self->unlink_save;
		1669
		1670	bless $self, "cf::map";
		1671	delete $self->{deny_reset};
1558	$self->{deny_save} = 1;	1672	$self->{deny_save} = 1;
1559	$self->reset_timeout (1);	1673	$self->reset_timeout (1);
1560	$self->rename ("{nuke}/" . ($nuke_counter++));	1674	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1675
		1676	$cf::MAP{$self->path} = $self;
		1677
1561	$self->reset; # polite request, might not happen	1678	$self->reset; # polite request, might not happen
1562	}	1679	}
1563		1680
1564	=item cf::map::unique_maps	1681	=item cf::map::unique_maps
1565		1682
…		…
1577	for (@$files) {	1694	for (@$files) {
1578	utf8::decode $_;	1695	utf8::decode $_;
1579	next if /\.pst$/;	1696	next if /\.pst$/;
1580	next unless /^$PATH_SEP/o;	1697	next unless /^$PATH_SEP/o;
1581		1698
1582	s/\.map$//;	1699	push @paths, cf::map::normalise $_;
1583	push @paths, $_;
1584	}	1700	}
1585		1701
1586	\@paths	1702	\@paths
1587	}	1703	}
1588		1704
…		…
1682	=cut	1798	=cut
1683		1799
1684	sub link_map {	1800	sub link_map {
1685	unless ($LINK_MAP) {	1801	unless ($LINK_MAP) {
1686	$LINK_MAP = cf::map::find "{link}"	1802	$LINK_MAP = cf::map::find "{link}"
1687	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	1803	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1688	$LINK_MAP->load;	1804	$LINK_MAP->load;
1689	}	1805	}
1690		1806
1691	$LINK_MAP	1807	$LINK_MAP
1692	}	1808	}
…		…
1699	return if UNIVERSAL::isa $self->map, "ext::map_link";	1815	return if UNIVERSAL::isa $self->map, "ext::map_link";
1700		1816
1701	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1817	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1702	if $self->map;	1818	if $self->map;
1703		1819
1704	$self->enter_map ($LINK_MAP || link_map, 20, 20);	1820	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1705	}	1821	}
1706		1822
1707	sub cf::object::player::leave_link {	1823	sub cf::object::player::leave_link {
1708	my ($self, $map, $x, $y) = @_;	1824	my ($self, $map, $x, $y) = @_;
1709		1825
…		…
1731	$map->load;	1847	$map->load;
1732	$map->load_diag;	1848	$map->load_diag;
1733		1849
1734	return unless $self->contr->active;	1850	return unless $self->contr->active;
1735	$self->activate_recursive;	1851	$self->activate_recursive;
		1852
		1853	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1736	$self->enter_map ($map, $x, $y);	1854	$self->enter_map ($map, $x, $y);
1737	}	1855	}
1738		1856
1739	cf::player->attach (	1857	cf::player->attach (
1740	on_logout => sub {	1858	on_logout => sub {
…		…
1753	# try to abort aborted map switching on player login :)	1871	# try to abort aborted map switching on player login :)
1754	# should happen only on crashes	1872	# should happen only on crashes
1755	if ($pl->ob->{_link_pos}) {	1873	if ($pl->ob->{_link_pos}) {
1756	$pl->ob->enter_link;	1874	$pl->ob->enter_link;
1757	(async {	1875	(async {
1758	# we need this sleep as the login has a concurrent enter_exit running
1759	# and this sleep increases chances of the player not ending up in scorn
1760	$pl->ob->reply (undef,	1876	$pl->ob->reply (undef,
1761	"There was an internal problem at your last logout, "	1877	"There was an internal problem at your last logout, "
1762	. "the server will try to bring you to your intended destination in a second.",	1878	. "the server will try to bring you to your intended destination in a second.",
1763	cf::NDI_RED);	1879	cf::NDI_RED);
		1880	# we need this sleep as the login has a concurrent enter_exit running
		1881	# and this sleep increases chances of the player not ending up in scorn
1764	Coro::Timer::sleep 1;	1882	Coro::Timer::sleep 1;
1765	$pl->ob->leave_link;	1883	$pl->ob->leave_link;
1766	})->prio (2);	1884	})->prio (2);
1767	}	1885	}
1768	},	1886	},
…		…
1776	my ($self, $path, $x, $y) = @_;	1894	my ($self, $path, $x, $y) = @_;
1777		1895
1778	$self->enter_link;	1896	$self->enter_link;
1779		1897
1780	(async {	1898	(async {
		1899	my $map = eval {
1781	my $map = cf::map::find $path;	1900	my $map = cf::map::find $path;
1782	$map = $map->customise_for ($self) if $map;	1901	$map = $map->customise_for ($self) if $map;
1783		1902	$map
1784	# warn "entering ", $map->path, " at ($x, $y)\n"	1903	} or
1785	# if $map;
1786
1787	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1904	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1788		1905
1789	$self->leave_link ($map, $x, $y);	1906	$self->leave_link ($map, $x, $y);
1790	})->prio (1);	1907	})->prio (1);
1791	}	1908	}
1792		1909
…		…
1796		1913
1797	sub parse_random_map_params {	1914	sub parse_random_map_params {
1798	my ($spec) = @_;	1915	my ($spec) = @_;
1799		1916
1800	my $rmp = { # defaults	1917	my $rmp = { # defaults
1801	xsize => 10,	1918	xsize => (cf::rndm 15, 40),
1802	ysize => 10,	1919	ysize => (cf::rndm 15, 40),
		1920	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1921	#layout => string,
1803	};	1922	};
1804		1923
1805	for (split /\n/, $spec) {	1924	for (split /\n/, $spec) {
1806	my ($k, $v) = split /\s+/, $_, 2;	1925	my ($k, $v) = split /\s+/, $_, 2;
1807		1926
…		…
1811	$rmp	1930	$rmp
1812	}	1931	}
1813		1932
1814	sub prepare_random_map {	1933	sub prepare_random_map {
1815	my ($exit) = @_;	1934	my ($exit) = @_;
		1935
		1936	my $guard = cf::lock_acquire "exit_prepare:$exit";
1816		1937
1817	# all this does is basically replace the /! path by	1938	# all this does is basically replace the /! path by
1818	# a new random map path (?random/...) with a seed	1939	# a new random map path (?random/...) with a seed
1819	# that depends on the exit object	1940	# that depends on the exit object
1820		1941
1821	my $rmp = parse_random_map_params $exit->msg;	1942	my $rmp = parse_random_map_params $exit->msg;
1822		1943
1823	if ($exit->map) {	1944	if ($exit->map) {
1824	$rmp->{region} = $exit->map->region_name;	1945	$rmp->{region} = $exit->region->name;
1825	$rmp->{origin_map} = $exit->map->path;	1946	$rmp->{origin_map} = $exit->map->path;
1826	$rmp->{origin_x} = $exit->x;	1947	$rmp->{origin_x} = $exit->x;
1827	$rmp->{origin_y} = $exit->y;	1948	$rmp->{origin_y} = $exit->y;
1828	}	1949	}
1829		1950
1830	$rmp->{random_seed} ||= $exit->random_seed;	1951	$rmp->{random_seed} ||= $exit->random_seed;
1831		1952
1832	my $data = cf::to_json $rmp;	1953	my $data = cf::to_json $rmp;
1833	my $md5 = Digest::MD5::md5_hex $data;	1954	my $md5 = Digest::MD5::md5_hex $data;
		1955	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1834		1956
1835	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1957	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1836	aio_write $fh, 0, (length $data), $data, 0;	1958	aio_write $fh, 0, (length $data), $data, 0;
		1959	undef $fh;
		1960	aio_rename "$meta~", $meta;
1837		1961
1838	$exit->slaying ("?random/$md5");	1962	$exit->slaying ("?random/$md5");
1839	$exit->msg (undef);	1963	$exit->msg (undef);
1840	}	1964	}
1841	}	1965	}
1842		1966
1843	sub cf::object::player::enter_exit {	1967	sub cf::object::player::enter_exit {
1844	my ($self, $exit) = @_;	1968	my ($self, $exit) = @_;
1845		1969
1846	return unless $self->type == cf::PLAYER;	1970	return unless $self->type == cf::PLAYER;
		1971
		1972	if ($exit->slaying eq "/!") {
		1973	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1974	cf::sync_job { prepare_random_map $exit };
		1975	}
		1976
		1977	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1978	my $hp = $exit->stats->hp;
		1979	my $sp = $exit->stats->sp;
1847		1980
1848	$self->enter_link;	1981	$self->enter_link;
1849		1982
1850	(async {	1983	(async {
1851	$self->deactivate_recursive; # just to be sure	1984	$self->deactivate_recursive; # just to be sure
1852	unless (eval {	1985	unless (eval {
1853	prepare_random_map $exit	1986	$self->goto ($slaying, $hp, $sp);
1854	if $exit->slaying eq "/!";
1855
1856	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1857	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1858		1987
1859	1;	1988	1;
1860	}) {	1989	}) {
1861	$self->message ("Something went wrong deep within the crossfire server. "	1990	$self->message ("Something went wrong deep within the crossfire server. "
1862	. "I'll try to bring you back to the map you were before. "	1991	. "I'll try to bring you back to the map you were before. "
…		…
1882		2011
1883	sub cf::client::send_drawinfo {	2012	sub cf::client::send_drawinfo {
1884	my ($self, $text, $flags) = @_;	2013	my ($self, $text, $flags) = @_;
1885		2014
1886	utf8::encode $text;	2015	utf8::encode $text;
1887	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2016	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1888	}	2017	}
1889		2018
1890		2019
1891	=item $success = $client->query ($flags, "text", \&cb)	2020	=item $success = $client->query ($flags, "text", \&cb)
1892		2021
…		…
1923	# get handled first	2052	# get handled first
1924	my $queue = delete $ns->{query_queue}	2053	my $queue = delete $ns->{query_queue}
1925	or return; # be conservative, not sure how that can happen, but we saw a crash here	2054	or return; # be conservative, not sure how that can happen, but we saw a crash here
1926		2055
1927	(shift @$queue)->[1]->($msg);	2056	(shift @$queue)->[1]->($msg);
		2057	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1928		2058
1929	push @{ $ns->{query_queue} }, @$queue;	2059	push @{ $ns->{query_queue} }, @$queue;
1930		2060
1931	if (@{ $ns->{query_queue} } == @$queue) {	2061	if (@{ $ns->{query_queue} } == @$queue) {
1932	if (@$queue) {	2062	if (@$queue) {
…		…
1990		2120
1991	# here we export the classes and methods available to script code	2121	# here we export the classes and methods available to script code
1992		2122
1993	=pod	2123	=pod
1994		2124
1995	The following fucntions and emthods are available within a safe environment:	2125	The following functions and methods are available within a safe environment:
1996		2126
1997	cf::object contr pay_amount pay_player map	2127	cf::object contr pay_amount pay_player map
1998	cf::object::player player	2128	cf::object::player player
1999	cf::player peaceful	2129	cf::player peaceful
2000	cf::map trigger	2130	cf::map trigger
…		…
2093	The parameter C<$family> should best start with the name of the extension	2223	The parameter C<$family> should best start with the name of the extension
2094	using it, it should be unique.	2224	using it, it should be unique.
2095		2225
2096	=over 4	2226	=over 4
2097		2227
2098	=item $hashref = cf::db_get $family
2099
2100	Return a hashref for use by the extension C<$family>, which can be
2101	modified. After modifications, you have to call C<cf::db_dirty> or
2102	C<cf::db_sync>.
2103
2104	=item $value = cf::db_get $family => $key	2228	=item $value = cf::db_get $family => $key
2105		2229
2106	Returns a single value from the database	2230	Returns a single value from the database.
2107
2108	=item cf::db_put $family => $hashref
2109
2110	Stores the given family hashref into the database. Updates are delayed, if
2111	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2112		2231
2113	=item cf::db_put $family => $key => $value	2232	=item cf::db_put $family => $key => $value
2114		2233
2115	Stores the given C<$value> in the family hash. Updates are delayed, if you	2234	Stores the given C<$value> in the family.
2116	want the data to be synced to disk immediately, use C<cf::db_sync>.
2117
2118	=item cf::db_dirty
2119
2120	Marks the database as dirty, to be updated at a later time.
2121
2122	=item cf::db_sync
2123
2124	Immediately write the database to disk I<if it is dirty>.
2125		2235
2126	=cut	2236	=cut
2127		2237
2128	our $DB;	2238	our $DB;
2129		2239
2130	{	2240	sub db_init {
		2241	unless ($DB) {
		2242	$DB = BDB::db_create $DB_ENV;
		2243
		2244	cf::sync_job {
		2245	eval {
		2246	$DB->set_flags (BDB::CHKSUM);
		2247
		2248	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2249	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2250	cf::cleanup "db_open(db): $!" if $!;
		2251	};
		2252	cf::cleanup "db_open(db): $@" if $@;
		2253	};
		2254
2131	my $path = cf::localdir . "/database.pst";	2255	my $path = cf::localdir . "/database.pst";
		2256	if (stat $path) {
		2257	cf::sync_job {
		2258	my $pst = Storable::retrieve $path;
2132		2259
2133	sub db_load() {	2260	cf::db_put (board => data => $pst->{board});
2134	$DB = stat $path ? Storable::retrieve $path : { };	2261	cf::db_put (guildrules => data => $pst->{guildrules});
2135	}	2262	cf::db_put (rent => balance => $pst->{rent}{balance});
		2263	BDB::db_env_txn_checkpoint $DB_ENV;
2136		2264
2137	my $pid;	2265	unlink $path;
2138
2139	sub db_save() {
2140	waitpid $pid, 0 if $pid;
2141	if (0 == ($pid = fork)) {
2142	$DB->{_meta}{version} = 1;
2143	Storable::nstore $DB, "$path~";
2144	rename "$path~", $path;
2145	cf::_exit 0 if defined $pid;
2146	}	2266	};
2147	}	2267	}
2148
2149	my $dirty;
2150
2151	sub db_sync() {
2152	db_save if $dirty;
2153	undef $dirty;
2154	}
2155
2156	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2157	db_sync;
2158	});	2268	}
		2269	}
2159		2270
2160	sub db_dirty() {
2161	$dirty = 1;
2162	$idle->start;
2163	}
2164
2165	sub db_get($;$) {	2271	sub db_get($$) {
2166	@_ >= 2	2272	my $key = "$_[0]/$_[1]";
2167	? $DB->{$_[0]}{$_[1]}
2168	: ($DB->{$_[0]} ||= { })
2169	}
2170		2273
		2274	cf::sync_job {
		2275	BDB::db_get $DB, undef, $key, my $data;
		2276
		2277	$! ? ()
		2278	: Compress::LZF::sthaw $data
		2279	}
		2280	}
		2281
2171	sub db_put($$;$) {	2282	sub db_put($$$) {
2172	if (@_ >= 3) {	2283	BDB::dbreq_pri 4;
2173	$DB->{$_[0]}{$_[1]} = $_[2];	2284	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2285	}
		2286
		2287	#############################################################################
		2288	# the server's init and main functions
		2289
		2290	sub load_facedata {
		2291	my $path = sprintf "%s/facedata", cf::datadir;
		2292
		2293	warn "loading facedata from $path\n";
		2294
		2295	my $faces;
		2296	0 < aio_load $path, $faces
		2297	or die "$path: $!";
		2298
		2299	Coro::cede;
		2300	$faces = Storable::thaw $faces;
		2301	Coro::cede;
		2302
		2303	my $meta = delete $faces->{""};
		2304	$meta->{version} == 1
		2305	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2306
		2307	while (my ($face, $info) = each %$faces) {
		2308	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2309	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2310	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2311	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2312	Coro::cede;
		2313	}
		2314
		2315	while (my ($face, $info) = each %$faces) {
		2316	next unless $info->{smooth};
		2317	my $idx = cf::face::find $face
		2318	or next;
		2319	if (my $smooth = cf::face::find $info->{smooth}) {
		2320	cf::face::set_smooth $idx, $smooth;
2174	} else {	2321	} else {
2175	$DB->{$_[0]} = $_[1];	2322	warn "smooth face '$info->{smooth}' not found for face '$face'";
2176	}
2177	db_dirty;
2178	}
2179
2180	cf::global->attach (
2181	prio => 10000,
2182	on_cleanup => sub {
2183	db_sync;
2184	},	2323	}
2185	);	2324	Coro::cede;
2186	}	2325	}
2187		2326
2188	#############################################################################	2327	1
2189	# the server's main()	2328	}
		2329
		2330	sub reload_resources {
		2331	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2332	or die "unable to load regions file\n";#d#
		2333	load_facedata
		2334	or die "unable to load facedata\n";#d#
		2335	}
		2336
		2337	sub init {
		2338	reload_resources;
		2339	}
2190		2340
2191	sub cfg_load {	2341	sub cfg_load {
2192	open my $fh, "<:utf8", cf::confdir . "/config"	2342	open my $fh, "<:utf8", cf::confdir . "/config"
2193	or return;	2343	or return;
2194		2344
…		…
2211		2361
2212	sub main {	2362	sub main {
2213	# we must not ever block the main coroutine	2363	# we must not ever block the main coroutine
2214	local $Coro::idle = sub {	2364	local $Coro::idle = sub {
2215	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2365	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2366	(async {
2216	async { Event::one_event };	2367	Event::one_event;
		2368	})->prio (Coro::PRIO_MAX);
2217	};	2369	};
2218		2370
2219	cfg_load;	2371	cfg_load;
2220	db_load;	2372	db_init;
2221	load_extensions;	2373	load_extensions;
		2374
		2375	$TICK_WATCHER->start;
2222	Event::loop;	2376	Event::loop;
2223	}	2377	}
2224		2378
2225	#############################################################################	2379	#############################################################################
2226	# initialisation and cleanup	2380	# initialisation and cleanup
2227		2381
2228	# install some emergency cleanup handlers	2382	# install some emergency cleanup handlers
2229	BEGIN {	2383	BEGIN {
2230	for my $signal (qw(INT HUP TERM)) {	2384	for my $signal (qw(INT HUP TERM)) {
2231	Event->signal (	2385	Event->signal (
		2386	reentrant => 0,
2232	data => WF_AUTOCANCEL,	2387	data => WF_AUTOCANCEL,
2233	signal => $signal,	2388	signal => $signal,
		2389	prio => 0,
2234	cb => sub {	2390	cb => sub {
2235	cf::cleanup "SIG$signal";	2391	cf::cleanup "SIG$signal";
2236	},	2392	},
2237	);	2393	);
2238	}	2394	}
2239	}	2395	}
…		…
2260	my $map = $cf::MAP{$path} or next;	2416	my $map = $cf::MAP{$path} or next;
2261	$map->valid or next;	2417	$map->valid or next;
2262	$map->save;	2418	$map->save;
2263	}	2419	}
2264	warn "end emergency map save\n";	2420	warn "end emergency map save\n";
		2421
		2422	warn "begin emergency database checkpoint\n";
		2423	BDB::db_env_txn_checkpoint $DB_ENV;
		2424	warn "end emergency database checkpoint\n";
2265	};	2425	};
2266		2426
2267	warn "leave emergency perl save\n";	2427	warn "leave emergency perl save\n";
		2428	}
		2429
		2430	sub post_cleanup {
		2431	my ($make_core) = @_;
		2432
		2433	warn Carp::longmess "post_cleanup backtrace"
		2434	if $make_core;
2268	}	2435	}
2269		2436
2270	sub reload() {	2437	sub reload() {
2271	# can/must only be called in main	2438	# can/must only be called in main
2272	if ($Coro::current != $Coro::main) {	2439	if ($Coro::current != $Coro::main) {
2273	warn "can only reload from main coroutine\n";	2440	warn "can only reload from main coroutine";
2274	return;	2441	return;
2275	}	2442	}
2276		2443
2277	warn "reloading...";	2444	warn "reloading...";
2278		2445
2279	warn "freezing server";	2446	warn "entering sync_job";
2280	my $guard = freeze_mainloop;	2447
		2448	cf::sync_job {
		2449	cf::write_runtime; # external watchdog should not bark
2281	cf::emergency_save;	2450	cf::emergency_save;
		2451	cf::write_runtime; # external watchdog should not bark
2282		2452
2283	warn "sync database to disk";	2453	warn "syncing database to disk";
2284	cf::db_sync;	2454	BDB::db_env_txn_checkpoint $DB_ENV;
2285	IO::AIO::flush;
2286		2455
2287	eval {
2288	# if anything goes wrong in here, we should simply crash as we already saved	2456	# if anything goes wrong in here, we should simply crash as we already saved
2289		2457
2290	warn "cancel all watchers";	2458	warn "cancelling all WF_AUTOCANCEL watchers";
2291	for (Event::all_watchers) {	2459	for (Event::all_watchers) {
2292	$_->cancel if $_->data & WF_AUTOCANCEL;	2460	$_->cancel if $_->data & WF_AUTOCANCEL;
2293	}	2461	}
2294		2462
		2463	warn "flushing outstanding aio requests";
		2464	for (;;) {
		2465	BDB::flush;
		2466	IO::AIO::flush;
		2467	Coro::cede;
		2468	last unless IO::AIO::nreqs || BDB::nreqs;
		2469	warn "iterate...";
		2470	}
		2471
		2472	++$RELOAD;
		2473
2295	warn "cancel all extension coros";	2474	warn "cancelling all extension coros";
2296	$_->cancel for values %EXT_CORO;	2475	$_->cancel for values %EXT_CORO;
2297	%EXT_CORO = ();	2476	%EXT_CORO = ();
2298		2477
2299	warn "remove commands";	2478	warn "removing commands";
2300	%COMMAND = ();	2479	%COMMAND = ();
2301		2480
2302	warn "remove ext commands";	2481	warn "removing ext commands";
2303	%EXTCMD = ();	2482	%EXTCMD = ();
2304		2483
2305	warn "unload/nuke all extensions";	2484	warn "unloading/nuking all extensions";
2306	for my $pkg (@EXTS) {	2485	for my $pkg (@EXTS) {
2307	warn "... unloading $pkg";	2486	warn "... unloading $pkg";
2308		2487
2309	if (my $cb = $pkg->can ("unload")) {	2488	if (my $cb = $pkg->can ("unload")) {
2310	eval {	2489	eval {
…		…
2315		2494
2316	warn "... nuking $pkg";	2495	warn "... nuking $pkg";
2317	Symbol::delete_package $pkg;	2496	Symbol::delete_package $pkg;
2318	}	2497	}
2319		2498
2320	warn "unload all perl modules loaded from $LIBDIR";	2499	warn "unloading all perl modules loaded from $LIBDIR";
2321	while (my ($k, $v) = each %INC) {	2500	while (my ($k, $v) = each %INC) {
2322	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2501	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2323		2502
2324	warn "removing <$k>";	2503	warn "... unloading $k";
2325	delete $INC{$k};	2504	delete $INC{$k};
2326		2505
2327	$k =~ s/\.pm$//;	2506	$k =~ s/\.pm$//;
2328	$k =~ s/\//::/g;	2507	$k =~ s/\//::/g;
2329		2508
…		…
2332	}	2511	}
2333		2512
2334	Symbol::delete_package $k;	2513	Symbol::delete_package $k;
2335	}	2514	}
2336		2515
2337	warn "get rid of safe::, as good as possible";	2516	warn "getting rid of safe::, as good as possible";
2338	Symbol::delete_package "safe::$_"	2517	Symbol::delete_package "safe::$_"
2339	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2518	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2340		2519
2341	warn "unload cf.pm \"a bit\"";	2520	warn "unloading cf.pm \"a bit\"";
2342	delete $INC{"cf.pm"};	2521	delete $INC{"cf.pm"};
2343		2522
2344	# don't, removes xs symbols, too,	2523	# don't, removes xs symbols, too,
2345	# and global variables created in xs	2524	# and global variables created in xs
2346	#Symbol::delete_package __PACKAGE__;	2525	#Symbol::delete_package __PACKAGE__;
2347		2526
		2527	warn "unload completed, starting to reload now";
		2528
2348	warn "reloading cf.pm";	2529	warn "reloading cf.pm";
2349	require cf;	2530	require cf;
2350	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2351		2532
2352	warn "load config and database again";	2533	warn "loading config and database again";
2353	cf::cfg_load;	2534	cf::cfg_load;
2354	cf::db_load;
2355		2535
2356	warn "load extensions";	2536	warn "loading extensions";
2357	cf::load_extensions;	2537	cf::load_extensions;
2358		2538
2359	warn "reattach attachments to objects/players";	2539	warn "reattaching attachments to objects/players";
2360	_global_reattach;	2540	_global_reattach; # objects, sockets
2361	warn "reattach attachments to maps";	2541	warn "reattaching attachments to maps";
2362	reattach $_ for values %MAP;	2542	reattach $_ for values %MAP;
2363	};	2543	warn "reattaching attachments to players";
		2544	reattach $_ for values %PLAYER;
2364		2545
2365	if ($@) {	2546	warn "loading reloadable resources";
		2547	reload_resources;
		2548
		2549	warn "leaving sync_job";
		2550
		2551	1
		2552	} or do {
2366	warn $@;	2553	warn $@;
2367	warn "error while reloading, exiting.";	2554	warn "error while reloading, exiting.";
2368	exit 1;	2555	exit 1;
2369	}	2556	};
2370		2557
2371	warn "reloaded";	2558	warn "reloaded";
2372	};	2559	};
2373		2560
		2561	our $RELOAD_WATCHER; # used only during reload
		2562
2374	register_command "reload" => sub {	2563	register_command "reload" => sub {
2375	my ($who, $arg) = @_;	2564	my ($who, $arg) = @_;
2376		2565
2377	if ($who->flag (FLAG_WIZ)) {	2566	if ($who->flag (FLAG_WIZ)) {
2378	$who->message ("start of reload.");	2567	$who->message ("reloading server.");
		2568
		2569	# doing reload synchronously and two reloads happen back-to-back,
		2570	# coro crashes during coro_state_free->destroy here.
		2571
		2572	$RELOAD_WATCHER ||= Event->timer (
		2573	reentrant => 0,
		2574	after => 0,
		2575	data => WF_AUTOCANCEL,
		2576	cb => sub {
2379	reload;	2577	reload;
2380	$who->message ("end of reload.");	2578	undef $RELOAD_WATCHER;
		2579	},
		2580	);
2381	}	2581	}
2382	};	2582	};
2383		2583
2384	unshift @INC, $LIBDIR;	2584	unshift @INC, $LIBDIR;
		2585
		2586	my $bug_warning = 0;
2385		2587
2386	$TICK_WATCHER = Event->timer (	2588	$TICK_WATCHER = Event->timer (
2387	reentrant => 0,	2589	reentrant => 0,
		2590	parked => 1,
2388	prio => 0,	2591	prio => 0,
2389	at => $NEXT_TICK || $TICK,	2592	at => $NEXT_TICK || $TICK,
2390	data => WF_AUTOCANCEL,	2593	data => WF_AUTOCANCEL,
2391	cb => sub {	2594	cb => sub {
		2595	if ($Coro::current != $Coro::main) {
		2596	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2597	unless ++$bug_warning > 10;
		2598	return;
		2599	}
		2600
2392	$NOW = Event::time;	2601	$NOW = Event::time;
2393		2602
2394	cf::server_tick; # one server iteration	2603	cf::server_tick; # one server iteration
2395	$RUNTIME += $TICK;	2604	$RUNTIME += $TICK;
2396	$NEXT_TICK += $TICK;	2605	$NEXT_TICK += $TICK;
2397		2606
		2607	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2608	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2609	Coro::async_pool {
		2610	write_runtime
		2611	or warn "ERROR: unable to write runtime file: $!";
		2612	};
		2613	}
		2614
2398	$WAIT_FOR_TICK->broadcast;	2615	$WAIT_FOR_TICK->broadcast;
2399	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2616	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2617
		2618	# my $AFTER = Event::time;
		2619	# warn $AFTER - $NOW;#d#
2400		2620
2401	# if we are delayed by four ticks or more, skip them all	2621	# if we are delayed by four ticks or more, skip them all
2402	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2622	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2403		2623
2404	$TICK_WATCHER->at ($NEXT_TICK);	2624	$TICK_WATCHER->at ($NEXT_TICK);
2405	$TICK_WATCHER->start;	2625	$TICK_WATCHER->start;
2406	},	2626	},
2407	);	2627	);
2408		2628
		2629	{
		2630	BDB::max_poll_time $TICK * 0.1;
		2631	$BDB_POLL_WATCHER = Event->io (
		2632	reentrant => 0,
		2633	fd => BDB::poll_fileno,
		2634	poll => 'r',
		2635	prio => 0,
		2636	data => WF_AUTOCANCEL,
		2637	cb => \&BDB::poll_cb,
		2638	);
		2639	BDB::min_parallel 8;
		2640
		2641	BDB::set_sync_prepare {
		2642	my $status;
		2643	my $current = $Coro::current;
		2644	(
		2645	sub {
		2646	$status = $!;
		2647	$current->ready; undef $current;
		2648	},
		2649	sub {
		2650	Coro::schedule while defined $current;
		2651	$! = $status;
		2652	},
		2653	)
		2654	};
		2655
		2656	unless ($DB_ENV) {
		2657	$DB_ENV = BDB::db_env_create;
		2658
		2659	cf::sync_job {
		2660	eval {
		2661	BDB::db_env_open
		2662	$DB_ENV,
		2663	$BDB_ENV_DIR,
		2664	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2665	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2666	0666;
		2667
		2668	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2669
		2670	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2671	$DB_ENV->set_lk_detect;
		2672	};
		2673
		2674	cf::cleanup "db_env_open(db): $@" if $@;
		2675	};
		2676	}
		2677	}
		2678
		2679	{
		2680	IO::AIO::min_parallel 8;
		2681
		2682	undef $Coro::AIO::WATCHER;
2409	IO::AIO::max_poll_time $TICK * 0.2;	2683	IO::AIO::max_poll_time $TICK * 0.1;
2410
2411	$AIO_POLL_WATCHER = Event->io (	2684	$AIO_POLL_WATCHER = Event->io (
2412	fd => IO::AIO::poll_fileno,	2685	reentrant => 0,
2413	poll => 'r',
2414	prio => 5,
2415	data => WF_AUTOCANCEL,
2416	cb => \&IO::AIO::poll_cb,
2417	);
2418
2419	$WRITE_RUNTIME_WATCHER = Event->timer (
2420	data => WF_AUTOCANCEL,	2686	data => WF_AUTOCANCEL,
2421	after => 0,	2687	fd => IO::AIO::poll_fileno,
2422	interval => 10,	2688	poll => 'r',
2423	cb => sub {	2689	prio => 6,
2424	(Coro::unblock_sub {	2690	cb => \&IO::AIO::poll_cb,
2425	write_runtime	2691	);
2426	or warn "ERROR: unable to write runtime file: $!";	2692	}
2427	})->();
2428	},
2429	);
2430		2693
2431	END { cf::emergency_save }	2694	END { cf::emergency_save }
2432		2695
2433	1	2696	1
2434		2697

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