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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.167 by root, Sat Jan 13 23:32:43 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;
		59	our $AIO_POLL_WATCHER;
		60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	61	our $NEXT_TICK;
50	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;
51		67
52	our %CFG;	68	our %CFG;
53		69
54	our $UPTIME; $UPTIME ||= time;	70	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	71	our $RUNTIME;
56		72
57	our %PLAYER; # all users	73	our %PLAYER; # all users
58	our %MAP; # all maps	74	our %MAP; # all maps
59	our $LINK_MAP; # the special {link} map, which is always available	75	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";	76	our $RANDOM_MAPS = cf::localdir . "/random";
		77	our $BDB_ENV_DIR = cf::localdir . "/db";
61		78
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	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;
64		81
65	# 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 ∕
…		…
78	mkdir cf::localdir;	95	mkdir cf::localdir;
79	mkdir cf::localdir . "/" . cf::playerdir;	96	mkdir cf::localdir . "/" . cf::playerdir;
80	mkdir cf::localdir . "/" . cf::tmpdir;	97	mkdir cf::localdir . "/" . cf::tmpdir;
81	mkdir cf::localdir . "/" . cf::uniquedir;	98	mkdir cf::localdir . "/" . cf::uniquedir;
82	mkdir $RANDOM_MAPS;	99	mkdir $RANDOM_MAPS;
		100	mkdir $BDB_ENV_DIR;
83		101
84	our $EMERGENCY_POSITION;	102	our $EMERGENCY_POSITION;
		103
		104	sub cf::map::normalise;
85		105
86	#############################################################################	106	#############################################################################
87		107
88	=head2 GLOBAL VARIABLES	108	=head2 GLOBAL VARIABLES
89		109
…		…
188	$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;
189	$d	209	$d
190	} || "[unable to dump $_[0]: '$@']";	210	} || "[unable to dump $_[0]: '$@']";
191	}	211	}
192		212
193	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
194		214
195	=item $ref = cf::from_json $json	215	=item $ref = cf::from_json $json
196		216
197	Converts a JSON string into the corresponding perl data structure.	217	Converts a JSON string into the corresponding perl data structure.
198		218
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	219	=item $json = cf::to_json $ref
207		220
208	Converts a perl data structure into its JSON representation.	221	Converts a perl data structure into its JSON representation.
209
210	=cut
211
212	sub to_json($) {
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
214	JSON::Syck::Dump $_[0]
215	}
216		222
217	=item cf::lock_wait $string	223	=item cf::lock_wait $string
218		224
219	Wait until the given lock is available. See cf::lock_acquire.	225	Wait until the given lock is available. See cf::lock_acquire.
220		226
…		…
257	}	263	}
258		264
259	sub freeze_mainloop {	265	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	266	return unless $TICK_WATCHER->is_active;
261		267
262	my $guard = Coro::guard { $TICK_WATCHER->start };	268	my $guard = Coro::guard {
		269	$TICK_WATCHER->start;
		270	};
263	$TICK_WATCHER->stop;	271	$TICK_WATCHER->stop;
264	$guard	272	$guard
265	}	273	}
266		274
267	=item cf::async { BLOCK }	275	=item cf::async { BLOCK }
…		…
338		346
339	$coro	347	$coro
340	}	348	}
341		349
342	sub write_runtime {	350	sub write_runtime {
343	return unless $TICK_WATCHER->is_active;	351	my $guard = cf::lock_acquire "write_runtime";
344		352
345	my $runtime = cf::localdir . "/runtime";	353	my $runtime = cf::localdir . "/runtime";
346		354
347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
348	or return;	356	or return;
349		357
		358	my $value = $cf::RUNTIME + 90 + 10;
350	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
351	(aio_write $fh, 0, (length $value), $value, 0) <= 0	362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
352	and return;	363	and return;
353		364
		365	# always fsync - this file is important
354	aio_fsync $fh	366	aio_fsync $fh
355	and return;	367	and return;
356		368
357	close $fh	369	close $fh
358	or return;	370	or return;
359		371
360	aio_rename "$runtime~", $runtime	372	aio_rename "$runtime~", $runtime
361	and return;	373	and return;
362		374
363	1	375	1
		376	}
		377
		378	=item cf::datalog type => key => value, ...
		379
		380	Log a datalog packet of the given type with the given key-value pairs.
		381
		382	=cut
		383
		384	sub datalog($@) {
		385	my ($type, %kv) = @_;
		386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
364	}	387	}
365		388
366	=back	389	=back
367		390
368	=cut	391	=cut
…		…
499	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
500	our @CB_MAP = ();	523	our @CB_MAP = ();
501		524
502	my %attachment;	525	my %attachment;
503		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
504	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
505	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
506		535
507	use sort 'stable';	536	use sort 'stable';
508		537
…		…
679	# object support	708	# object support
680		709
681	sub reattach {	710	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		715
685	my $registry = $obj->registry;	716	my $registry = $obj->registry;
686		717
687	@$registry = ();	718	@$registry = ();
688		719
…		…
735	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
736		767
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
739	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
740	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
741	close $fh;	772	close $fh;
742		773
743	if (@$objs) {	774	if (@$objs) {
744	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) {
745	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
747	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
748	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
749	close $fh;	780	close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
751	}	782	}
752	} else {	783	} else {
753	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
945		976
946	sub exists($) {	977	sub exists($) {
947	my ($login) = @_;	978	my ($login) = @_;
948		979
949	$cf::PLAYER{$login}	980	$cf::PLAYER{$login}
950	or cf::sync_job { !aio_stat $login }	981	or cf::sync_job { !aio_stat path $login }
951	}	982	}
952		983
953	sub find($) {	984	sub find($) {
954	return $cf::PLAYER{$_[0]} || do {	985	return $cf::PLAYER{$_[0]} || do {
955	my $login = $_[0];	986	my $login = $_[0];
…		…
1001		1032
1002	=cut	1033	=cut
1003		1034
1004	sub quit_character {	1035	sub quit_character {
1005	my ($pl) = @_;	1036	my ($pl) = @_;
		1037
		1038	my $name = $pl->ob->name;
1006		1039
1007	$pl->{deny_save} = 1;	1040	$pl->{deny_save} = 1;
1008	$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
1009		1042
1010	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1015	my $path = playerdir $pl;	1048	my $path = playerdir $pl;
1016	my $temp = "$path~$cf::RUNTIME~deleting~";	1049	my $temp = "$path~$cf::RUNTIME~deleting~";
1017	aio_rename $path, $temp;	1050	aio_rename $path, $temp;
1018	delete $cf::PLAYER{$pl->ob->name};	1051	delete $cf::PLAYER{$pl->ob->name};
1019	$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
1020	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;
1021	}	1074	}
1022		1075
1023	=item cf::player::list_logins	1076	=item cf::player::list_logins
1024		1077
1025	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
…		…
1053	=cut	1106	=cut
1054		1107
1055	sub maps($) {	1108	sub maps($) {
1056	my ($pl) = @_;	1109	my ($pl) = @_;
1057		1110
		1111	$pl = ref $pl ? $pl->ob->name : $pl;
		1112
1058	my $files = aio_readdir playerdir $pl	1113	my $files = aio_readdir playerdir $pl
1059	or return;	1114	or return;
1060		1115
1061	my @paths;	1116	my @paths;
1062		1117
1063	for (@$files) {	1118	for (@$files) {
1064	utf8::decode $_;	1119	utf8::decode $_;
1065	next if /\.(?:pl|pst)$/;	1120	next if /\.(?:pl|pst)$/;
1066	next unless /^$PATH_SEP/o;	1121	next unless /^$PATH_SEP/o;
1067		1122
1068	s/\.map$//;	1123	push @paths, cf::map::normalise "~$pl/$_";
1069	push @paths, "~" . $pl->ob->name . "/" . $_;
1070	}	1124	}
1071		1125
1072	\@paths	1126	\@paths
1073	}	1127	}
1074		1128
1075	=item $player->ext_reply ($msgid, $msgtype, %msg)	1129	=item $player->ext_reply ($msgid, %msg)
1076		1130
1077	Sends an ext reply to the player.	1131	Sends an ext reply to the player.
1078		1132
1079	=cut	1133	=cut
1080		1134
1081	sub ext_reply($$$%) {	1135	sub ext_reply($$%) {
1082	my ($self, $id, %msg) = @_;	1136	my ($self, $id, %msg) = @_;
1083		1137
1084	$msg{msgid} = $id;	1138	$msg{msgid} = $id;
		1139
		1140	$self->send ("ext " . cf::to_json \%msg);
		1141	}
		1142
		1143	=item $player->ext_event ($type, %msg)
		1144
		1145	Sends an ext event to the client.
		1146
		1147	=cut
		1148
		1149	sub ext_event($$%) {
		1150	my ($self, $type, %msg) = @_;
		1151
		1152	delete $msg{msgid};
		1153	$msg{msgtype} = "event";
		1154	$msg{eventtype} = $type;
1085		1155
1086	$self->send ("ext " . cf::to_json \%msg);	1156	$self->send ("ext " . cf::to_json \%msg);
1087	}	1157	}
1088		1158
1089	package cf;	1159	package cf;
…		…
1101		1171
1102	use Fcntl;	1172	use Fcntl;
1103	use Coro::AIO;	1173	use Coro::AIO;
1104		1174
1105	use overload	1175	use overload
1106	'""' => \&as_string;	1176	'""' => \&as_string,
		1177	fallback => 1;
1107		1178
1108	our $MAX_RESET = 3600;	1179	our $MAX_RESET = 3600;
1109	our $DEFAULT_RESET = 3000;	1180	our $DEFAULT_RESET = 3000;
1110		1181
1111	sub generate_random_map {	1182	sub generate_random_map {
1112	my ($self, $rmp) = @_;	1183	my ($self, $rmp) = @_;
1113
1114	# mit "rum" bekleckern, nicht	1184	# mit "rum" bekleckern, nicht
1115	$self->_create_random_map (	1185	$self->_create_random_map (
1116	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1186	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1117	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1187	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1118	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1188	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1125	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1195	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1126	(cf::region::find $rmp->{region}), $rmp->{custom}	1196	(cf::region::find $rmp->{region}), $rmp->{custom}
1127	)	1197	)
1128	}	1198	}
1129		1199
		1200	=item cf::map->register ($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
1130	sub register {	1208	sub register {
1131	my (undef, $regex) = @_;	1209	my (undef, $regex, $prio) = @_;
1132	my $pkg = caller;	1210	my $pkg = caller;
1133		1211
1134	no strict;	1212	no strict;
1135	push @{"$pkg\::ISA"}, __PACKAGE__;	1213	push @{"$pkg\::ISA"}, __PACKAGE__;
1136		1214
1137	$EXT_MAP{$pkg} = qr<$regex>;	1215	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1138	}	1216	}
1139		1217
1140	# also paths starting with '/'	1218	# also paths starting with '/'
1141	$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	}
1142		1232
1143	sub normalise {	1233	sub normalise {
1144	my ($path, $base) = @_;	1234	my ($path, $base) = @_;
		1235
		1236	$path = "$path"; # make sure its a string
		1237
		1238	$path =~ s/\.map$//;
1145		1239
1146	# map plan:	1240	# map plan:
1147	#	1241	#
1148	# /! non-realised random map exit (special hack!)	1242	# /! non-realised random map exit (special hack!)
1149	# {... are special paths that are not being touched	1243	# {... are special paths that are not being touched
…		…
1177		1271
1178	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
1179		1273
1180	$path = normalise $path, $base;	1274	$path = normalise $path, $base;
1181		1275
1182	for my $pkg (keys %EXT_MAP) {	1276	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1183	if ($path =~ $EXT_MAP{$pkg}) {	1277	if ($path =~ $EXT_MAP{$pkg}[1]) {
1184	my $self = bless cf::map::new, $pkg;	1278	my $self = bless cf::map::new, $pkg;
1185	$self->{path} = $path; $self->path ($path);	1279	$self->{path} = $path; $self->path ($path);
1186	$self->init; # pass $1 etc.	1280	$self->init; # pass $1 etc.
1187	return $self;	1281	return $self;
1188	}	1282	}
1189	}	1283	}
1190		1284
1191	Carp::carp "unable to resolve path '$path'.";	1285	Carp::carp "unable to resolve path '$path' (base '$base').";
1192	()	1286	()
1193	}	1287	}
1194		1288
1195	sub init {	1289	sub init {
1196	my ($self) = @_;	1290	my ($self) = @_;
…		…
1211		1305
1212	# the original (read-only) location	1306	# the original (read-only) location
1213	sub load_path {	1307	sub load_path {
1214	my ($self) = @_;	1308	my ($self) = @_;
1215		1309
1216	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1310	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
1217	}	1311	}
1218		1312
1219	# the temporary/swap location	1313	# the temporary/swap location
1220	sub save_path {	1314	sub save_path {
1221	my ($self) = @_;	1315	my ($self) = @_;
1222		1316
1223	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1317	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1224	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1318	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
1225	}	1319	}
1226		1320
1227	# the unique path, undef == no special unique path	1321	# the unique path, undef == no special unique path
1228	sub uniq_path {	1322	sub uniq_path {
1229	my ($self) = @_;	1323	my ($self) = @_;
…		…
1243		1337
1244	sub unlink_save {	1338	sub unlink_save {
1245	my ($self) = @_;	1339	my ($self) = @_;
1246		1340
1247	utf8::encode (my $save = $self->save_path);	1341	utf8::encode (my $save = $self->save_path);
1248	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1342	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1249	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1343	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1250	}	1344	}
1251		1345
1252	sub load_header_from($) {	1346	sub load_header_from($) {
1253	my ($self, $path) = @_;	1347	my ($self, $path) = @_;
1254		1348
1255	utf8::encode $path;	1349	utf8::encode $path;
1256	aio_open $path, O_RDONLY, 0	1350	#aio_open $path, O_RDONLY, 0
1257	or return;	1351	# or return;
1258		1352
1259	$self->_load_header ($path)	1353	$self->_load_header ($path)
1260	or return;	1354	or return;
1261		1355
1262	$self->{load_path} = $path;	1356	$self->{load_path} = $path;
1263		1357
1264	1	1358	1
1265	}	1359	}
1266		1360
1267	sub load_orig {	1361	sub load_header_orig {
1268	my ($self) = @_;	1362	my ($self) = @_;
1269		1363
1270	$self->load_header_from ($self->load_path)	1364	$self->load_header_from ($self->load_path)
1271	}	1365	}
1272		1366
1273	sub load_temp {	1367	sub load_header_temp {
1274	my ($self) = @_;	1368	my ($self) = @_;
1275		1369
1276	$self->load_header_from ($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	$self->instantiate;
1277	}	1390	}
1278		1391
1279	sub load_header {	1392	sub load_header {
1280	my ($self) = @_;	1393	my ($self) = @_;
1281		1394
1282	if ($self->load_temp) {	1395	if ($self->load_header_temp) {
1283	$self->last_access ((delete $self->{last_access})	1396	$self->prepare_temp;
1284	|| $cf::RUNTIME); #d#
1285	# safety
1286	$self->{instantiate_time} = $cf::RUNTIME
1287	if $self->{instantiate_time} > $cf::RUNTIME;
1288	} else {	1397	} else {
1289	$self->load_orig	1398	$self->load_header_orig
1290	or return;	1399	or return;
1291		1400	$self->prepare_orig;
1292	$self->{load_original} = 1;
1293	$self->{instantiate_time} = $cf::RUNTIME;
1294	$self->last_access ($cf::RUNTIME);
1295	$self->instantiate;
1296	}	1401	}
1297		1402
1298	1	1403	1
1299	}	1404	}
1300		1405
…		…
1314	$map->{last_save} = $cf::RUNTIME;	1419	$map->{last_save} = $cf::RUNTIME;
1315		1420
1316	$map->load_header	1421	$map->load_header
1317	or return;	1422	or return;
1318		1423
1319	if ($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;
1320	$map->reset;	1427	$map->reset;
1321	undef $guard;	1428	undef $guard;
1322	$map = find $path	1429	return find $path;
1323	or return;
1324	}	1430	}
1325		1431
1326	$cf::MAP{$path} = $map	1432	$cf::MAP{$path} = $map
1327	}	1433	}
1328	}	1434	}
		1435
		1436	sub pre_load { }
		1437	sub post_load { }
1329		1438
1330	sub load {	1439	sub load {
1331	my ($self) = @_;	1440	my ($self) = @_;
1332		1441
		1442	local $self->{deny_reset} = 1; # loading can take a long time
		1443
1333	my $path = $self->{path};	1444	my $path = $self->{path};
1334	my $guard = cf::lock_acquire "map_load:$path";	1445	my $guard = cf::lock_acquire "map_load:$path";
1335		1446
1336	return if $self->in_memory != cf::MAP_SWAPPED;	1447	return if $self->in_memory != cf::MAP_SWAPPED;
1337		1448
1338	$self->in_memory (cf::MAP_LOADING);	1449	$self->in_memory (cf::MAP_LOADING);
1339		1450
1340	$self->alloc;	1451	$self->alloc;
		1452
		1453	$self->pre_load;
		1454
1341	$self->_load_objects ($self->{load_path}, 1)	1455	$self->_load_objects ($self->{load_path}, 1)
1342	or return;	1456	or return;
1343		1457
1344	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1458	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1345	if delete $self->{load_original};	1459	if delete $self->{load_original};
…		…
1367	unless $self->difficulty;	1481	unless $self->difficulty;
1368	Coro::cede;	1482	Coro::cede;
1369	$self->activate;	1483	$self->activate;
1370	}	1484	}
1371		1485
		1486	$self->post_load;
		1487
1372	$self->in_memory (cf::MAP_IN_MEMORY);	1488	$self->in_memory (cf::MAP_IN_MEMORY);
1373	}	1489	}
1374		1490
1375	sub customise_for {	1491	sub customise_for {
1376	my ($self, $ob) = @_;	1492	my ($self, $ob) = @_;
…		…
1416		1532
1417	cf::sync_job { $map->load };	1533	cf::sync_job { $map->load };
1418	}	1534	}
1419		1535
1420	our %MAP_PREFETCH;	1536	our %MAP_PREFETCH;
1421	our $MAP_PREFETCHER = Coro::async {	1537	our $MAP_PREFETCHER = undef;
1422	while () {
1423	for my $path (keys %MAP_PREFETCH) {
1424	my $map = find $path
1425	or next;
1426	$map->load;
1427
1428	delete $MAP_PREFETCH{$path};
1429	}
1430	Coro::schedule;
1431	}
1432	};
1433		1538
1434	sub find_async {	1539	sub find_async {
1435	my ($path, $origin) = @_;	1540	my ($path, $origin) = @_;
1436		1541
1437	$path = normalise $path, $origin && $origin->{path};	1542	$path = normalise $path, $origin && $origin->{path};
1438		1543
1439	if (my $map = $cf::MAP{$path}) {	1544	if (my $map = $cf::MAP{$path}) {
1440	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1545	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1441	}	1546	}
1442		1547
1443	$MAP_PREFETCH{$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	};
1444	$MAP_PREFETCHER->ready;	1561	$MAP_PREFETCHER->prio (6);
1445		1562
1446	()	1563	()
1447	}	1564	}
1448		1565
1449	sub save {	1566	sub save {
…		…
1494		1611
1495	sub reset_at {	1612	sub reset_at {
1496	my ($self) = @_;	1613	my ($self) = @_;
1497		1614
1498	# TODO: safety, remove and allow resettable per-player maps	1615	# TODO: safety, remove and allow resettable per-player maps
1499	return 1e99 if $self->isa ("ext::map_per_player");	1616	return 1e99 if $self->isa ("ext::map_per_player");#d#
1500	return 1e99 if $self->{deny_reset};	1617	return 1e99 if $self->{deny_reset};
1501		1618
1502	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1619	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1503	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1620	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1504		1621
…		…
1509	my ($self) = @_;	1626	my ($self) = @_;
1510		1627
1511	$self->reset_at <= $cf::RUNTIME	1628	$self->reset_at <= $cf::RUNTIME
1512	}	1629	}
1513		1630
1514	sub rename {
1515	my ($self, $new_path) = @_;
1516
1517	normalise $new_path;
1518
1519	$self->unlink_save;
1520
1521	delete $cf::MAP{$self->path};
1522	$self->{path} = $new_path; $self->path ($self->{path});
1523	$cf::MAP{$self->path} = $self;
1524
1525	$self->save;
1526	}
1527
1528	sub reset {	1631	sub reset {
1529	my ($self) = @_;	1632	my ($self) = @_;
1530		1633
1531	my $lock = cf::lock_acquire "map_data:$self->{path}";	1634	my $lock = cf::lock_acquire "map_data:$self->{path}";
1532		1635
1533	return if $self->players;	1636	return if $self->players;
1534	return if $self->isa ("ext::map_per_player");#d#	1637	return if $self->isa ("ext::map_per_player");#d#
1535		1638
1536	warn "resetting map ", $self->path;#d#	1639	warn "resetting map ", $self->path;#d#
1537		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
1538	delete $cf::MAP{$self->path};	1651	delete $cf::MAP{$self->path};
1539		1652
1540	$self->in_memory (cf::MAP_SWAPPED);
1541	$self->clear;	1653	$self->clear;
1542		1654
1543	$_->clear_links_to ($self) for values %cf::MAP;	1655	$_->clear_links_to ($self) for values %cf::MAP;
1544		1656
1545	$self->unlink_save;	1657	$self->unlink_save;
…		…
1549	my $nuke_counter = "aaaa";	1661	my $nuke_counter = "aaaa";
1550		1662
1551	sub nuke {	1663	sub nuke {
1552	my ($self) = @_;	1664	my ($self) = @_;
1553		1665
		1666	delete $cf::MAP{$self->path};
		1667
		1668	$self->unlink_save;
		1669
		1670	bless $self, "cf::map";
		1671	delete $self->{deny_reset};
1554	$self->{deny_save} = 1;	1672	$self->{deny_save} = 1;
1555	$self->reset_timeout (1);	1673	$self->reset_timeout (1);
1556	$self->rename ("{nuke}/" . ($nuke_counter++));	1674	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1675
		1676	$cf::MAP{$self->path} = $self;
		1677
1557	$self->reset; # polite request, might not happen	1678	$self->reset; # polite request, might not happen
1558	}	1679	}
1559		1680
1560	=item cf::map::unique_maps	1681	=item cf::map::unique_maps
1561		1682
…		…
1573	for (@$files) {	1694	for (@$files) {
1574	utf8::decode $_;	1695	utf8::decode $_;
1575	next if /\.pst$/;	1696	next if /\.pst$/;
1576	next unless /^$PATH_SEP/o;	1697	next unless /^$PATH_SEP/o;
1577		1698
1578	s/\.map$//;	1699	push @paths, cf::map::normalise $_;
1579	push @paths, $_;
1580	}	1700	}
1581		1701
1582	\@paths	1702	\@paths
1583	}	1703	}
1584		1704
…		…
1678	=cut	1798	=cut
1679		1799
1680	sub link_map {	1800	sub link_map {
1681	unless ($LINK_MAP) {	1801	unless ($LINK_MAP) {
1682	$LINK_MAP = cf::map::find "{link}"	1802	$LINK_MAP = cf::map::find "{link}"
1683	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	1803	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1684	$LINK_MAP->load;	1804	$LINK_MAP->load;
1685	}	1805	}
1686		1806
1687	$LINK_MAP	1807	$LINK_MAP
1688	}	1808	}
…		…
1695	return if UNIVERSAL::isa $self->map, "ext::map_link";	1815	return if UNIVERSAL::isa $self->map, "ext::map_link";
1696		1816
1697	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1817	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1698	if $self->map;	1818	if $self->map;
1699		1819
1700	$self->enter_map ($LINK_MAP || link_map, 20, 20);	1820	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1701	}	1821	}
1702		1822
1703	sub cf::object::player::leave_link {	1823	sub cf::object::player::leave_link {
1704	my ($self, $map, $x, $y) = @_;	1824	my ($self, $map, $x, $y) = @_;
1705		1825
…		…
1727	$map->load;	1847	$map->load;
1728	$map->load_diag;	1848	$map->load_diag;
1729		1849
1730	return unless $self->contr->active;	1850	return unless $self->contr->active;
1731	$self->activate_recursive;	1851	$self->activate_recursive;
		1852
		1853	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1732	$self->enter_map ($map, $x, $y);	1854	$self->enter_map ($map, $x, $y);
1733	}	1855	}
1734		1856
1735	cf::player->attach (	1857	cf::player->attach (
1736	on_logout => sub {	1858	on_logout => sub {
…		…
1749	# try to abort aborted map switching on player login :)	1871	# try to abort aborted map switching on player login :)
1750	# should happen only on crashes	1872	# should happen only on crashes
1751	if ($pl->ob->{_link_pos}) {	1873	if ($pl->ob->{_link_pos}) {
1752	$pl->ob->enter_link;	1874	$pl->ob->enter_link;
1753	(async {	1875	(async {
1754	# we need this sleep as the login has a concurrent enter_exit running
1755	# and this sleep increases chances of the player not ending up in scorn
1756	$pl->ob->reply (undef,	1876	$pl->ob->reply (undef,
1757	"There was an internal problem at your last logout, "	1877	"There was an internal problem at your last logout, "
1758	. "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.",
1759	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
1760	Coro::Timer::sleep 1;	1882	Coro::Timer::sleep 1;
1761	$pl->ob->leave_link;	1883	$pl->ob->leave_link;
1762	})->prio (2);	1884	})->prio (2);
1763	}	1885	}
1764	},	1886	},
…		…
1772	my ($self, $path, $x, $y) = @_;	1894	my ($self, $path, $x, $y) = @_;
1773		1895
1774	$self->enter_link;	1896	$self->enter_link;
1775		1897
1776	(async {	1898	(async {
		1899	my $map = eval {
1777	my $map = cf::map::find $path;	1900	my $map = cf::map::find $path;
1778	$map = $map->customise_for ($self) if $map;	1901	$map = $map->customise_for ($self) if $map;
1779		1902	$map
1780	# warn "entering ", $map->path, " at ($x, $y)\n"	1903	} or
1781	# if $map;
1782
1783	$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);
1784		1905
1785	$self->leave_link ($map, $x, $y);	1906	$self->leave_link ($map, $x, $y);
1786	})->prio (1);	1907	})->prio (1);
1787	}	1908	}
1788		1909
…		…
1792		1913
1793	sub parse_random_map_params {	1914	sub parse_random_map_params {
1794	my ($spec) = @_;	1915	my ($spec) = @_;
1795		1916
1796	my $rmp = { # defaults	1917	my $rmp = { # defaults
1797	xsize => 10,	1918	xsize => (cf::rndm 15, 40),
1798	ysize => 10,	1919	ysize => (cf::rndm 15, 40),
		1920	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1921	#layout => string,
1799	};	1922	};
1800		1923
1801	for (split /\n/, $spec) {	1924	for (split /\n/, $spec) {
1802	my ($k, $v) = split /\s+/, $_, 2;	1925	my ($k, $v) = split /\s+/, $_, 2;
1803		1926
…		…
1807	$rmp	1930	$rmp
1808	}	1931	}
1809		1932
1810	sub prepare_random_map {	1933	sub prepare_random_map {
1811	my ($exit) = @_;	1934	my ($exit) = @_;
		1935
		1936	my $guard = cf::lock_acquire "exit_prepare:$exit";
1812		1937
1813	# all this does is basically replace the /! path by	1938	# all this does is basically replace the /! path by
1814	# a new random map path (?random/...) with a seed	1939	# a new random map path (?random/...) with a seed
1815	# that depends on the exit object	1940	# that depends on the exit object
1816		1941
1817	my $rmp = parse_random_map_params $exit->msg;	1942	my $rmp = parse_random_map_params $exit->msg;
1818		1943
1819	if ($exit->map) {	1944	if ($exit->map) {
1820	$rmp->{region} = $exit->map->region_name;	1945	$rmp->{region} = $exit->region->name;
1821	$rmp->{origin_map} = $exit->map->path;	1946	$rmp->{origin_map} = $exit->map->path;
1822	$rmp->{origin_x} = $exit->x;	1947	$rmp->{origin_x} = $exit->x;
1823	$rmp->{origin_y} = $exit->y;	1948	$rmp->{origin_y} = $exit->y;
1824	}	1949	}
1825		1950
1826	$rmp->{random_seed} ||= $exit->random_seed;	1951	$rmp->{random_seed} ||= $exit->random_seed;
1827		1952
1828	my $data = cf::to_json $rmp;	1953	my $data = cf::to_json $rmp;
1829	my $md5 = Digest::MD5::md5_hex $data;	1954	my $md5 = Digest::MD5::md5_hex $data;
		1955	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1830		1956
1831	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) {
1832	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;
1833		1961
1834	$exit->slaying ("?random/$md5");	1962	$exit->slaying ("?random/$md5");
1835	$exit->msg (undef);	1963	$exit->msg (undef);
1836	}	1964	}
1837	}	1965	}
1838		1966
1839	sub cf::object::player::enter_exit {	1967	sub cf::object::player::enter_exit {
1840	my ($self, $exit) = @_;	1968	my ($self, $exit) = @_;
1841		1969
1842	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;
1843		1980
1844	$self->enter_link;	1981	$self->enter_link;
1845		1982
1846	(async {	1983	(async {
1847	$self->deactivate_recursive; # just to be sure	1984	$self->deactivate_recursive; # just to be sure
1848	unless (eval {	1985	unless (eval {
1849	prepare_random_map $exit	1986	$self->goto ($slaying, $hp, $sp);
1850	if $exit->slaying eq "/!";
1851
1852	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1853	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1854		1987
1855	1;	1988	1;
1856	}) {	1989	}) {
1857	$self->message ("Something went wrong deep within the crossfire server. "	1990	$self->message ("Something went wrong deep within the crossfire server. "
1858	. "I'll try to bring you back to the map you were before. "	1991	. "I'll try to bring you back to the map you were before. "
…		…
1878		2011
1879	sub cf::client::send_drawinfo {	2012	sub cf::client::send_drawinfo {
1880	my ($self, $text, $flags) = @_;	2013	my ($self, $text, $flags) = @_;
1881		2014
1882	utf8::encode $text;	2015	utf8::encode $text;
1883	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2016	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1884	}	2017	}
1885		2018
1886		2019
1887	=item $success = $client->query ($flags, "text", \&cb)	2020	=item $success = $client->query ($flags, "text", \&cb)
1888		2021
…		…
1919	# get handled first	2052	# get handled first
1920	my $queue = delete $ns->{query_queue}	2053	my $queue = delete $ns->{query_queue}
1921	or return; # be conservative, not sure how that can happen, but we saw a crash here	2054	or return; # be conservative, not sure how that can happen, but we saw a crash here
1922		2055
1923	(shift @$queue)->[1]->($msg);	2056	(shift @$queue)->[1]->($msg);
		2057	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1924		2058
1925	push @{ $ns->{query_queue} }, @$queue;	2059	push @{ $ns->{query_queue} }, @$queue;
1926		2060
1927	if (@{ $ns->{query_queue} } == @$queue) {	2061	if (@{ $ns->{query_queue} } == @$queue) {
1928	if (@$queue) {	2062	if (@$queue) {
…		…
1986		2120
1987	# here we export the classes and methods available to script code	2121	# here we export the classes and methods available to script code
1988		2122
1989	=pod	2123	=pod
1990		2124
1991	The following fucntions and emthods are available within a safe environment:	2125	The following functions and methods are available within a safe environment:
1992		2126
1993	cf::object contr pay_amount pay_player map	2127	cf::object contr pay_amount pay_player map
1994	cf::object::player player	2128	cf::object::player player
1995	cf::player peaceful	2129	cf::player peaceful
1996	cf::map trigger	2130	cf::map trigger
…		…
2089	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
2090	using it, it should be unique.	2224	using it, it should be unique.
2091		2225
2092	=over 4	2226	=over 4
2093		2227
2094	=item $hashref = cf::db_get $family
2095
2096	Return a hashref for use by the extension C<$family>, which can be
2097	modified. After modifications, you have to call C<cf::db_dirty> or
2098	C<cf::db_sync>.
2099
2100	=item $value = cf::db_get $family => $key	2228	=item $value = cf::db_get $family => $key
2101		2229
2102	Returns a single value from the database	2230	Returns a single value from the database.
2103
2104	=item cf::db_put $family => $hashref
2105
2106	Stores the given family hashref into the database. Updates are delayed, if
2107	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2108		2231
2109	=item cf::db_put $family => $key => $value	2232	=item cf::db_put $family => $key => $value
2110		2233
2111	Stores the given C<$value> in the family hash. Updates are delayed, if you	2234	Stores the given C<$value> in the family.
2112	want the data to be synced to disk immediately, use C<cf::db_sync>.
2113
2114	=item cf::db_dirty
2115
2116	Marks the database as dirty, to be updated at a later time.
2117
2118	=item cf::db_sync
2119
2120	Immediately write the database to disk I<if it is dirty>.
2121		2235
2122	=cut	2236	=cut
2123		2237
2124	our $DB;	2238	our $DB;
2125		2239
2126	{	2240	sub db_init {
		2241	unless ($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
2127	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;
2128		2259
2129	sub db_load() {	2260	cf::db_put (board => data => $pst->{board});
2130	$DB = stat $path ? Storable::retrieve $path : { };	2261	cf::db_put (guildrules => data => $pst->{guildrules});
2131	}	2262	cf::db_put (rent => balance => $pst->{rent}{balance});
		2263	BDB::db_env_txn_checkpoint $DB_ENV;
2132		2264
2133	my $pid;	2265	unlink $path;
2134
2135	sub db_save() {
2136	waitpid $pid, 0 if $pid;
2137	if (0 == ($pid = fork)) {
2138	$DB->{_meta}{version} = 1;
2139	Storable::nstore $DB, "$path~";
2140	rename "$path~", $path;
2141	cf::_exit 0 if defined $pid;
2142	}	2266	};
2143	}	2267	}
2144
2145	my $dirty;
2146
2147	sub db_sync() {
2148	db_save if $dirty;
2149	undef $dirty;
2150	}
2151
2152	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2153	db_sync;
2154	});	2268	}
		2269	}
2155		2270
2156	sub db_dirty() {
2157	$dirty = 1;
2158	$idle->start;
2159	}
2160
2161	sub db_get($;$) {	2271	sub db_get($$) {
2162	@_ >= 2	2272	my $key = "$_[0]/$_[1]";
2163	? $DB->{$_[0]}{$_[1]}
2164	: ($DB->{$_[0]} ||= { })
2165	}
2166		2273
		2274	cf::sync_job {
		2275	BDB::db_get $DB, undef, $key, my $data;
		2276
		2277	$! ? ()
		2278	: Compress::LZF::sthaw $data
		2279	}
		2280	}
		2281
2167	sub db_put($$;$) {	2282	sub db_put($$$) {
2168	if (@_ >= 3) {	2283	BDB::dbreq_pri 4;
2169	$DB->{$_[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;
2170	} else {	2321	} else {
2171	$DB->{$_[0]} = $_[1];	2322	warn "smooth face '$info->{smooth}' not found for face '$face'";
2172	}
2173	db_dirty;
2174	}
2175
2176	cf::global->attach (
2177	prio => 10000,
2178	on_cleanup => sub {
2179	db_sync;
2180	},	2323	}
2181	);	2324	Coro::cede;
2182	}	2325	}
2183		2326
2184	#############################################################################	2327	1
2185	# 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	}
2186		2340
2187	sub cfg_load {	2341	sub cfg_load {
2188	open my $fh, "<:utf8", cf::confdir . "/config"	2342	open my $fh, "<:utf8", cf::confdir . "/config"
2189	or return;	2343	or return;
2190		2344
…		…
2207		2361
2208	sub main {	2362	sub main {
2209	# we must not ever block the main coroutine	2363	# we must not ever block the main coroutine
2210	local $Coro::idle = sub {	2364	local $Coro::idle = sub {
2211	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 {
2212	async { Event::one_event };	2367	Event::one_event;
		2368	})->prio (Coro::PRIO_MAX);
2213	};	2369	};
2214		2370
2215	cfg_load;	2371	cfg_load;
2216	db_load;	2372	db_init;
2217	load_extensions;	2373	load_extensions;
		2374
		2375	$TICK_WATCHER->start;
2218	Event::loop;	2376	Event::loop;
2219	}	2377	}
2220		2378
2221	#############################################################################	2379	#############################################################################
2222	# initialisation and cleanup	2380	# initialisation and cleanup
2223		2381
2224	# install some emergency cleanup handlers	2382	# install some emergency cleanup handlers
2225	BEGIN {	2383	BEGIN {
2226	for my $signal (qw(INT HUP TERM)) {	2384	for my $signal (qw(INT HUP TERM)) {
2227	Event->signal (	2385	Event->signal (
		2386	reentrant => 0,
2228	data => WF_AUTOCANCEL,	2387	data => WF_AUTOCANCEL,
2229	signal => $signal,	2388	signal => $signal,
		2389	prio => 0,
2230	cb => sub {	2390	cb => sub {
2231	cf::cleanup "SIG$signal";	2391	cf::cleanup "SIG$signal";
2232	},	2392	},
2233	);	2393	);
2234	}	2394	}
2235	}	2395	}
…		…
2256	my $map = $cf::MAP{$path} or next;	2416	my $map = $cf::MAP{$path} or next;
2257	$map->valid or next;	2417	$map->valid or next;
2258	$map->save;	2418	$map->save;
2259	}	2419	}
2260	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 $DB_ENV;
		2424	warn "end emergency database checkpoint\n";
2261	};	2425	};
2262		2426
2263	warn "leave emergency perl save\n";	2427	warn "leave emergency perl save\n";
		2428	}
		2429
		2430	sub post_cleanup {
		2431	my ($make_core) = @_;
		2432
		2433	warn Carp::longmess "post_cleanup backtrace"
		2434	if $make_core;
2264	}	2435	}
2265		2436
2266	sub reload() {	2437	sub reload() {
2267	# can/must only be called in main	2438	# can/must only be called in main
2268	if ($Coro::current != $Coro::main) {	2439	if ($Coro::current != $Coro::main) {
2269	warn "can only reload from main coroutine\n";	2440	warn "can only reload from main coroutine";
2270	return;	2441	return;
2271	}	2442	}
2272		2443
2273	warn "reloading...";	2444	warn "reloading...";
2274		2445
2275	warn "freezing server";	2446	warn "entering sync_job";
2276	my $guard = freeze_mainloop;	2447
		2448	cf::sync_job {
		2449	cf::write_runtime; # external watchdog should not bark
2277	cf::emergency_save;	2450	cf::emergency_save;
		2451	cf::write_runtime; # external watchdog should not bark
2278		2452
2279	warn "sync database to disk";	2453	warn "syncing database to disk";
2280	cf::db_sync;	2454	BDB::db_env_txn_checkpoint $DB_ENV;
2281	IO::AIO::flush;
2282		2455
2283	eval {
2284	# 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
2285		2457
2286	warn "cancel all watchers";	2458	warn "cancelling all WF_AUTOCANCEL watchers";
2287	for (Event::all_watchers) {	2459	for (Event::all_watchers) {
2288	$_->cancel if $_->data & WF_AUTOCANCEL;	2460	$_->cancel if $_->data & WF_AUTOCANCEL;
2289	}	2461	}
2290		2462
		2463	warn "flushing outstanding aio requests";
		2464	for (;;) {
		2465	BDB::flush;
		2466	IO::AIO::flush;
		2467	Coro::cede;
		2468	last unless IO::AIO::nreqs || BDB::nreqs;
		2469	warn "iterate...";
		2470	}
		2471
		2472	++$RELOAD;
		2473
2291	warn "cancel all extension coros";	2474	warn "cancelling all extension coros";
2292	$_->cancel for values %EXT_CORO;	2475	$_->cancel for values %EXT_CORO;
2293	%EXT_CORO = ();	2476	%EXT_CORO = ();
2294		2477
2295	warn "remove commands";	2478	warn "removing commands";
2296	%COMMAND = ();	2479	%COMMAND = ();
2297		2480
2298	warn "remove ext commands";	2481	warn "removing ext commands";
2299	%EXTCMD = ();	2482	%EXTCMD = ();
2300		2483
2301	warn "unload/nuke all extensions";	2484	warn "unloading/nuking all extensions";
2302	for my $pkg (@EXTS) {	2485	for my $pkg (@EXTS) {
2303	warn "... unloading $pkg";	2486	warn "... unloading $pkg";
2304		2487
2305	if (my $cb = $pkg->can ("unload")) {	2488	if (my $cb = $pkg->can ("unload")) {
2306	eval {	2489	eval {
…		…
2311		2494
2312	warn "... nuking $pkg";	2495	warn "... nuking $pkg";
2313	Symbol::delete_package $pkg;	2496	Symbol::delete_package $pkg;
2314	}	2497	}
2315		2498
2316	warn "unload all perl modules loaded from $LIBDIR";	2499	warn "unloading all perl modules loaded from $LIBDIR";
2317	while (my ($k, $v) = each %INC) {	2500	while (my ($k, $v) = each %INC) {
2318	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2501	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2319		2502
2320	warn "removing <$k>";	2503	warn "... unloading $k";
2321	delete $INC{$k};	2504	delete $INC{$k};
2322		2505
2323	$k =~ s/\.pm$//;	2506	$k =~ s/\.pm$//;
2324	$k =~ s/\//::/g;	2507	$k =~ s/\//::/g;
2325		2508
…		…
2328	}	2511	}
2329		2512
2330	Symbol::delete_package $k;	2513	Symbol::delete_package $k;
2331	}	2514	}
2332		2515
2333	warn "get rid of safe::, as good as possible";	2516	warn "getting rid of safe::, as good as possible";
2334	Symbol::delete_package "safe::$_"	2517	Symbol::delete_package "safe::$_"
2335	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);
2336		2519
2337	warn "unload cf.pm \"a bit\"";	2520	warn "unloading cf.pm \"a bit\"";
2338	delete $INC{"cf.pm"};	2521	delete $INC{"cf.pm"};
2339		2522
2340	# don't, removes xs symbols, too,	2523	# don't, removes xs symbols, too,
2341	# and global variables created in xs	2524	# and global variables created in xs
2342	#Symbol::delete_package __PACKAGE__;	2525	#Symbol::delete_package __PACKAGE__;
2343		2526
		2527	warn "unload completed, starting to reload now";
		2528
2344	warn "reloading cf.pm";	2529	warn "reloading cf.pm";
2345	require cf;	2530	require cf;
2346	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2347		2532
2348	warn "load config and database again";	2533	warn "loading config and database again";
2349	cf::cfg_load;	2534	cf::cfg_load;
2350	cf::db_load;
2351		2535
2352	warn "load extensions";	2536	warn "loading extensions";
2353	cf::load_extensions;	2537	cf::load_extensions;
2354		2538
2355	warn "reattach attachments to objects/players";	2539	warn "reattaching attachments to objects/players";
2356	_global_reattach;	2540	_global_reattach; # objects, sockets
2357	warn "reattach attachments to maps";	2541	warn "reattaching attachments to maps";
2358	reattach $_ for values %MAP;	2542	reattach $_ for values %MAP;
2359	};	2543	warn "reattaching attachments to players";
		2544	reattach $_ for values %PLAYER;
2360		2545
2361	if ($@) {	2546	warn "loading reloadable resources";
		2547	reload_resources;
		2548
		2549	warn "leaving sync_job";
		2550
		2551	1
		2552	} or do {
2362	warn $@;	2553	warn $@;
2363	warn "error while reloading, exiting.";	2554	warn "error while reloading, exiting.";
2364	exit 1;	2555	exit 1;
2365	}	2556	};
2366		2557
2367	warn "reloaded";	2558	warn "reloaded";
2368	};	2559	};
2369		2560
		2561	our $RELOAD_WATCHER; # used only during reload
		2562
2370	register_command "reload" => sub {	2563	register_command "reload" => sub {
2371	my ($who, $arg) = @_;	2564	my ($who, $arg) = @_;
2372		2565
2373	if ($who->flag (FLAG_WIZ)) {	2566	if ($who->flag (FLAG_WIZ)) {
2374	$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 {
2375	reload;	2577	reload;
2376	$who->message ("end of reload.");	2578	undef $RELOAD_WATCHER;
		2579	},
		2580	);
2377	}	2581	}
2378	};	2582	};
2379		2583
2380	unshift @INC, $LIBDIR;	2584	unshift @INC, $LIBDIR;
		2585
		2586	my $bug_warning = 0;
2381		2587
2382	$TICK_WATCHER = Event->timer (	2588	$TICK_WATCHER = Event->timer (
2383	reentrant => 0,	2589	reentrant => 0,
		2590	parked => 1,
2384	prio => 0,	2591	prio => 0,
2385	at => $NEXT_TICK || $TICK,	2592	at => $NEXT_TICK || $TICK,
2386	data => WF_AUTOCANCEL,	2593	data => WF_AUTOCANCEL,
2387	cb => sub {	2594	cb => sub {
		2595	if ($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
2388	$NOW = Event::time;	2601	$NOW = Event::time;
2389		2602
2390	cf::server_tick; # one server iteration	2603	cf::server_tick; # one server iteration
2391	$RUNTIME += $TICK;	2604	$RUNTIME += $TICK;
2392	$NEXT_TICK += $TICK;	2605	$NEXT_TICK += $TICK;
2393		2606
		2607	if ($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
2394	$WAIT_FOR_TICK->broadcast;	2615	$WAIT_FOR_TICK->broadcast;
2395	$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#
2396		2620
2397	# 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
2398	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2622	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2399		2623
2400	$TICK_WATCHER->at ($NEXT_TICK);	2624	$TICK_WATCHER->at ($NEXT_TICK);
2401	$TICK_WATCHER->start;	2625	$TICK_WATCHER->start;
2402	},	2626	},
2403	);	2627	);
2404		2628
		2629	{
2405	IO::AIO::max_poll_time $TICK * 0.2;	2630	BDB::max_poll_time $TICK * 0.1;
2406		2631	$BDB_POLL_WATCHER = Event->io (
2407	Event->io (	2632	reentrant => 0,
2408	fd => IO::AIO::poll_fileno,	2633	fd => BDB::poll_fileno,
2409	poll => 'r',	2634	poll => 'r',
2410	prio => 5,	2635	prio => 0,
2411	data => WF_AUTOCANCEL,
2412	cb => \&IO::AIO::poll_cb,
2413	);
2414
2415	Event->timer (
2416	data => WF_AUTOCANCEL,	2636	data => WF_AUTOCANCEL,
2417	after => 0,	2637	cb => \&BDB::poll_cb,
2418	interval => 10,	2638	);
2419	cb => sub {	2639	BDB::min_parallel 8;
2420	(Coro::unblock_sub {	2640
2421	write_runtime	2641	BDB::set_sync_prepare {
2422	or warn "ERROR: unable to write runtime file: $!";	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 $@;
2423	})->();	2675	};
2424	},	2676	}
2425	);	2677	}
		2678
		2679	{
		2680	IO::AIO::min_parallel 8;
		2681
		2682	undef $Coro::AIO::WATCHER;
		2683	IO::AIO::max_poll_time $TICK * 0.1;
		2684	$AIO_POLL_WATCHER = Event->io (
		2685	reentrant => 0,
		2686	data => WF_AUTOCANCEL,
		2687	fd => IO::AIO::poll_fileno,
		2688	poll => 'r',
		2689	prio => 6,
		2690	cb => \&IO::AIO::poll_cb,
		2691	);
		2692	}
2426		2693
2427	END { cf::emergency_save }	2694	END { cf::emergency_save }
2428		2695
2429	1	2696	1
2430		2697

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