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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.111 by root, Mon Jan 1 12:28:47 2007 UTC vs.
Revision 1.151 by root, Mon Jan 8 20:59:15 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3;	13	use Coro 3.3 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
20	use Digest::MD5;	20	use Digest::MD5;
21	use Fcntl;	21	use Fcntl;
22	use IO::AIO 2.31 ();	22	use IO::AIO 2.32 ();
23	use YAML::Syck ();	23	use YAML::Syck ();
24	use Time::HiRes;	24	use Time::HiRes;
25		25
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	26	use Event; $Event::Eval = 1; # no idea why this is required, but it is
27		27
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	29	$YAML::Syck::ImplicitUnicode = 1;
30		30
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		34
35	our %COMMAND = ();	35	our %COMMAND = ();
36	our %COMMAND_TIME = ();	36	our %COMMAND_TIME = ();
…		…
47	our %CFG;	47	our %CFG;
48		48
49	our $UPTIME; $UPTIME \|\|= time;	49	our $UPTIME; $UPTIME \|\|= time;
50	our $RUNTIME;	50	our $RUNTIME;
51		51
		52	our %PLAYER; # all users
52	our %MAP; # all maps	53	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	54	our $LINK_MAP; # the special {link} map
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	55	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	56	our %EXT_CORO; # coroutines bound to extensions
57		57
58	binmode STDOUT;	58	binmode STDOUT;
59	binmode STDERR;	59	binmode STDERR;
60		60
61	# read virtual server time, if available	61	# read virtual server time, if available
…		…
71	mkdir cf::localdir . "/" . cf::uniquedir;	71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	72	mkdir $RANDOM_MAPS;
73		73
74	# a special map that is always available	74	# a special map that is always available
75	our $LINK_MAP;	75	our $LINK_MAP;
76		76	our $EMERGENCY_POSITION;
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} \|\| ["/world/world_105_115", 5, 37];
78		77
79	#############################################################################	78	#############################################################################
80		79
81	=head2 GLOBAL VARIABLES	80	=head2 GLOBAL VARIABLES
82		81
…		…
119	utf8::encode $msg;	118	utf8::encode $msg;
120		119
121	$msg .= "\n"	120	$msg .= "\n"
122	unless $msg =~ /\n$/;	121	unless $msg =~ /\n$/;
123		122
124	LOG llevError, "cfperl: $msg";	123	LOG llevError, $msg;
125	};	124	};
126	}	125	}
127		126
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
181	sub to_json($) {	180	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	182	JSON::Syck::Dump $_[0]
184	}	183	}
185		184
		185	=item cf::lock_wait $string
		186
		187	Wait until the given lock is available. See cf::lock_acquire.
		188
		189	=item my $lock = cf::lock_acquire $string
		190
		191	Wait until the given lock is available and then acquires it and returns
		192	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		193	for example when the coroutine gets canceled), the lock is automatically
		194	returned.
		195
		196	Lock names should begin with a unique identifier (for example, cf::map::find
		197	uses map_find and cf::map::load uses map_load).
		198
		199	=cut
		200
		201	our %LOCK;
		202
		203	sub lock_wait($) {
		204	my ($key) = @_;
		205
		206	# wait for lock, if any
		207	while ($LOCK{$key}) {
		208	push @{ $LOCK{$key} }, $Coro::current;
		209	Coro::schedule;
		210	}
		211	}
		212
		213	sub lock_acquire($) {
		214	my ($key) = @_;
		215
		216	# wait, to be sure we are not locked
		217	lock_wait $key;
		218
		219	$LOCK{$key} = [];
		220
		221	Coro::guard {
		222	# wake up all waiters, to be on the safe side
		223	$_->ready for @{ delete $LOCK{$key} };
		224	}
		225	}
		226
		227	sub freeze_mainloop {
		228	return unless $TICK_WATCHER->is_active;
		229
		230	my $guard = Coro::guard { $TICK_WATCHER->start };
		231	$TICK_WATCHER->stop;
		232	$guard
		233	}
		234
		235	=item cf::async { BLOCK }
		236
		237	Currently the same as Coro::async_pool, meaning you cannot use
		238	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		239	thing you are allowed to do is call C<prio> on it.
		240
		241	=cut
		242
		243	BEGIN { *async = \&Coro::async_pool }
		244
186	=item cf::sync_job { BLOCK }	245	=item cf::sync_job { BLOCK }
187		246
188	The design of crossfire+ requires that the main coro ($Coro::main) is	247	The design of crossfire+ requires that the main coro ($Coro::main) is
189	always able to handle events or runnable, as crossfire+ is only partly	248	always able to handle events or runnable, as crossfire+ is only partly
190	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	249	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.
…		…
197	=cut	256	=cut
198		257
199	sub sync_job(&) {	258	sub sync_job(&) {
200	my ($job) = @_;	259	my ($job) = @_;
201		260
202	my $busy = 1;
203	my @res;
204
205	my $coro = Coro::async {
206	@res = eval { $job->() };
207	warn $@ if $@;
208	undef $busy;
209	};
210
211	if ($Coro::current == $Coro::main) {	261	if ($Coro::current == $Coro::main) {
		262	# this is the main coro, too bad, we have to block
		263	# till the operation succeeds, freezing the server :/
		264
212	# TODO: use suspend/resume instead	265	# TODO: use suspend/resume instead
213	local $FREEZE = 1;	266	# (but this is cancel-safe)
		267	my $freeze_guard = freeze_mainloop;
		268
		269	my $busy = 1;
		270	my @res;
		271
		272	(async {
		273	@res = eval { $job->() };
		274	warn $@ if $@;
		275	undef $busy;
214	$coro->prio (Coro::PRIO_MAX);	276	})->prio (Coro::PRIO_MAX);
		277
215	while ($busy) {	278	while ($busy) {
216	Coro::cede_notself;	279	Coro::cede or Event::one_event;
217	Event::one_event unless Coro::nready;
218	}	280	}
		281
		282	wantarray ? @res : $res[0]
219	} else {	283	} else {
220	$coro->join;	284	# we are in another coroutine, how wonderful, everything just works
		285
		286	$job->()
221	}	287	}
222
223	wantarray ? @res : $res[0]
224	}	288	}
225		289
226	=item $coro = cf::coro { BLOCK }	290	=item $coro = cf::async_ext { BLOCK }
227		291
228	Creates and returns a new coro. This coro is automcatially being canceled	292	Like async, but this coro is automcatially being canceled when the
229	when the extension calling this is being unloaded.	293	extension calling this is being unloaded.
230		294
231	=cut	295	=cut
232		296
233	sub coro(&) {	297	sub async_ext(&) {
234	my $cb = shift;	298	my $cb = shift;
235		299
236	my $coro; $coro = async {	300	my $coro = &Coro::async ($cb);
237	eval {
238	$cb->();
239	};
240	warn $@ if $@;
241	};
242		301
243	$coro->on_destroy (sub {	302	$coro->on_destroy (sub {
244	delete $EXT_CORO{$coro+0};	303	delete $EXT_CORO{$coro+0};
245	});	304	});
246	$EXT_CORO{$coro+0} = $coro;	305	$EXT_CORO{$coro+0} = $coro;
…		…
252	my $runtime = cf::localdir . "/runtime";	311	my $runtime = cf::localdir . "/runtime";
253		312
254	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644	313	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644
255	or return;	314	or return;
256		315
257	my $value = $cf::RUNTIME;	316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock
258	(aio_write $fh, 0, (length $value), $value, 0) <= 0	317	(aio_write $fh, 0, (length $value), $value, 0) <= 0
259	and return;	318	and return;
260		319
261	aio_fsync $fh	320	aio_fsync $fh
262	and return;	321	and return;
…		…
283		342
284	$path = $path->as_string if ref $path;	343	$path = $path->as_string if ref $path;
285		344
286	my $self = bless { }, $class;	345	my $self = bless { }, $class;
287		346
		347	# {... are special paths that are not touched
		348	# ?xxx/... are special absolute paths
		349	# ?random/... random maps
		350	# /! non-realised random map exit
		351	# /... normal maps
		352	# ~/... per-player maps without a specific player (DO NOT USE)
		353	# ~user/... per-player map of a specific user
		354
		355	if ($path =~ /^{/) {
		356	# fine as it is
288	if ($path =~ s{^\?random/}{}) {	357	} elsif ($path =~ s{^\?random/}{}) {
289	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;	358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
290	$self->{random} = cf::from_json $data;	359	$self->{random} = cf::from_json $data;
291	} else {	360	} else {
292	if ($path =~ s{^~([^/]+)?}{}) {	361	if ($path =~ s{^~([^/]+)?}{}) {
293	$self->{user_rel} = 1;	362	$self->{user_rel} = 1;
…		…
798	or return;	867	or return;
799		868
800	unless (aio_stat "$filename.pst") {	869	unless (aio_stat "$filename.pst") {
801	(aio_load "$filename.pst", $av) >= 0	870	(aio_load "$filename.pst", $av) >= 0
802	or return;	871	or return;
803	$av = eval { (Storable::thaw <$av>)->{objs} };	872	$av = eval { (Storable::thaw $av)->{objs} };
804	}	873	}
805		874
		875	warn sprintf "loading %s (%d)\n",
		876	$filename, length $data, scalar @{$av \|\| []};#d#
806	return ($data, $av);	877	return ($data, $av);
807	}	878	}
808		879
809	#############################################################################	880	#############################################################################
810	# command handling &c	881	# command handling &c
…		…
1001		1072
1002	=head2 CORE EXTENSIONS	1073	=head2 CORE EXTENSIONS
1003		1074
1004	Functions and methods that extend core crossfire objects.	1075	Functions and methods that extend core crossfire objects.
1005		1076
		1077	=cut
		1078
		1079	package cf::player;
		1080
1006	=head3 cf::player	1081	=head3 cf::player
1007		1082
1008	=over 4	1083	=over 4
1009		1084
1010	=item cf::player::exists $login	1085	=item cf::player::find $login
1011		1086
1012	Returns true when the given account exists.	1087	Returns the given player object, loading it if necessary (might block).
1013		1088
1014	=cut	1089	=cut
1015		1090
1016	sub cf::player::exists($) {	1091	sub playerdir($) {
1017	cf::player::find $_[0]	1092	cf::localdir
1018	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	1093	. "/"
		1094	. cf::playerdir
		1095	. "/"
		1096	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1097	}
		1098
		1099	sub path($) {
		1100	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1101
		1102	(playerdir $login) . "/$login.pl"
		1103	}
		1104
		1105	sub find_active($) {
		1106	$cf::PLAYER{$_[0]}
		1107	and $cf::PLAYER{$_[0]}->active
		1108	and $cf::PLAYER{$_[0]}
		1109	}
		1110
		1111	sub exists($) {
		1112	my ($login) = @_;
		1113
		1114	$cf::PLAYER{$login}
		1115	or cf::sync_job { !aio_stat $login }
		1116	}
		1117
		1118	sub find($) {
		1119	return $cf::PLAYER{$_[0]} \|\| do {
		1120	my $login = $_[0];
		1121
		1122	my $guard = cf::lock_acquire "user_find:$login";
		1123
		1124	$cf::PLAYER{$_[0]} \|\| do {
		1125	my $pl = load_pl path $login
		1126	or return;
		1127	$cf::PLAYER{$login} = $pl
		1128	}
		1129	}
		1130	}
		1131
		1132	sub save($) {
		1133	my ($pl) = @_;
		1134
		1135	return if $pl->{deny_save};
		1136
		1137	my $path = path $pl;
		1138	my $guard = cf::lock_acquire "user_save:$path";
		1139
		1140	return if $pl->{deny_save};
		1141
		1142	Coro::AIO::aio_mkdir playerdir $pl, 0770;
		1143	$pl->{last_save} = $cf::RUNTIME;
		1144
		1145	$pl->save_pl ($path);
		1146	Coro::cede;
		1147	}
		1148
		1149	sub new($) {
		1150	my ($login) = @_;
		1151
		1152	my $self = create;
		1153
		1154	$self->ob->name ($login);
		1155	$self->{deny_save} = 1;
		1156
		1157	$cf::PLAYER{$login} = $self;
		1158
		1159	$self
		1160	}
		1161
		1162	sub quit_character {
		1163	my ($pl) = @_;
		1164
		1165	$pl->{deny_save} = 1;
		1166	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1167
		1168	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1169	$pl->deactivate;
		1170	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1171	$pl->ns->destroy if $pl->ns;
		1172
		1173	my $path = playerdir $pl;
		1174	my $temp = "$path~$cf::RUNTIME~deleting~";
		1175	Coro::AIO::aio_rename $path, $temp;
		1176	delete $cf::PLAYER{$pl->ob->name};
		1177	$pl->destroy;
		1178	IO::AIO::aio_rmtree $temp;
1019	}	1179	}
1020		1180
1021	=item $player->ext_reply ($msgid, $msgtype, %msg)	1181	=item $player->ext_reply ($msgid, $msgtype, %msg)
1022		1182
1023	Sends an ext reply to the player.	1183	Sends an ext reply to the player.
1024		1184
1025	=cut	1185	=cut
1026		1186
1027	sub cf::player::ext_reply($$$%) {	1187	sub ext_reply($$$%) {
1028	my ($self, $id, %msg) = @_;	1188	my ($self, $id, %msg) = @_;
1029		1189
1030	$msg{msgid} = $id;	1190	$msg{msgid} = $id;
1031		1191
1032	$self->send ("ext " . to_json \%msg);	1192	$self->send ("ext " . cf::to_json \%msg);
1033	}	1193	}
		1194
		1195	package cf;
1034		1196
1035	=back	1197	=back
1036		1198
1037		1199
1038	=head3 cf::map	1200	=head3 cf::map
…		…
1044	package cf::map;	1206	package cf::map;
1045		1207
1046	use Fcntl;	1208	use Fcntl;
1047	use Coro::AIO;	1209	use Coro::AIO;
1048		1210
1049	our $MAX_RESET = 7200;	1211	our $MAX_RESET = 3600;
1050	our $DEFAULT_RESET = 3600;	1212	our $DEFAULT_RESET = 3000;
1051	$MAX_RESET = 10;#d#
1052	$DEFAULT_RESET = 10;#d#
1053		1213
1054	sub generate_random_map {	1214	sub generate_random_map {
1055	my ($path, $rmp) = @_;	1215	my ($path, $rmp) = @_;
1056		1216
1057	# mit "rum" bekleckern, nicht	1217	# mit "rum" bekleckern, nicht
…		…
1073	# and all this just because we cannot iterate over	1233	# and all this just because we cannot iterate over
1074	# all maps in C++...	1234	# all maps in C++...
1075	sub change_all_map_light {	1235	sub change_all_map_light {
1076	my ($change) = @_;	1236	my ($change) = @_;
1077		1237
1078	$_->change_map_light ($change) for values %cf::MAP;	1238	$_->change_map_light ($change)
		1239	for grep $_->outdoor, values %cf::MAP;
1079	}	1240	}
1080		1241
1081	sub try_load_header($) {	1242	sub try_load_header($) {
1082	my ($path) = @_;	1243	my ($path) = @_;
1083		1244
…		…
1086	or return;	1247	or return;
1087		1248
1088	my $map = cf::map::new	1249	my $map = cf::map::new
1089	or return;	1250	or return;
1090		1251
		1252	# for better error messages only, will be overwritten
		1253	$map->path ($path);
		1254
1091	$map->load_header ($path)	1255	$map->load_header ($path)
1092	or return;	1256	or return;
1093		1257
1094	$map->{load_path} = $path;	1258	$map->{load_path} = $path;
1095	use Data::Dumper; warn Dumper $map;#d#
1096		1259
1097	$map	1260	$map
1098	}	1261	}
1099		1262
		1263	sub find;
1100	sub find_map {	1264	sub find {
1101	my ($path, $origin) = @_;	1265	my ($path, $origin) = @_;
1102		1266
1103	#warn "find_map<$path,$origin>\n";#d#	1267	#warn "find<$path,$origin>\n";#d#
1104		1268
1105	$path = ref $path ? $path : new cf::path $path, $origin && $origin->path;	1269	$path = new cf::path $path, $origin && $origin->path;
1106	my $key = $path->as_string;	1270	my $key = $path->as_string;
1107		1271
		1272	cf::lock_wait "map_find:$key";
		1273
1108	$cf::MAP{$key} \|\| do {	1274	$cf::MAP{$key} \|\| do {
		1275	my $guard = cf::lock_acquire "map_find:$key";
		1276
1109	# do it the slow way	1277	# do it the slow way
1110	my $map = try_load_header $path->save_path;	1278	my $map = try_load_header $path->save_path;
1111		1279
		1280	Coro::cede;
		1281
1112	if ($map) {	1282	if ($map) {
		1283	$map->last_access ((delete $map->{last_access})
		1284	\|\| $cf::RUNTIME); #d#
1113	# safety	1285	# safety
1114	$map->{instantiate_time} = $cf::RUNTIME	1286	$map->{instantiate_time} = $cf::RUNTIME
1115	if $map->{instantiate_time} > $cf::RUNTIME;	1287	if $map->{instantiate_time} > $cf::RUNTIME;
1116	} else {	1288	} else {
1117	if (my $rmp = $path->random_map_params) {	1289	if (my $rmp = $path->random_map_params) {
…		…
1122		1294
1123	$map or return;	1295	$map or return;
1124		1296
1125	$map->{load_original} = 1;	1297	$map->{load_original} = 1;
1126	$map->{instantiate_time} = $cf::RUNTIME;	1298	$map->{instantiate_time} = $cf::RUNTIME;
		1299	$map->last_access ($cf::RUNTIME);
1127	$map->instantiate;	1300	$map->instantiate;
1128		1301
1129	# per-player maps become, after loading, normal maps	1302	# per-player maps become, after loading, normal maps
1130	$map->per_player (0) if $path->{user_rel};	1303	$map->per_player (0) if $path->{user_rel};
1131	}	1304	}
1132		1305
1133	$map->path ($key);	1306	$map->path ($key);
1134	$map->{path} = $path;	1307	$map->{path} = $path;
1135	$map->last_access ($cf::RUNTIME);	1308	$map->{last_save} = $cf::RUNTIME;
1136		1309
		1310	Coro::cede;
		1311
1137	$map->reset if $map->should_reset;	1312	if ($map->should_reset) {
		1313	$map->reset;
		1314	undef $guard;
		1315	$map = find $path
		1316	or return;
		1317	}
1138		1318
1139	$cf::MAP{$key} = $map	1319	$cf::MAP{$key} = $map
1140	}	1320	}
1141	}	1321	}
1142		1322
1143	sub load {	1323	sub load {
1144	my ($self) = @_;	1324	my ($self) = @_;
1145		1325
		1326	my $path = $self->{path};
		1327	my $guard = cf::lock_acquire "map_load:" . $path->as_string;
		1328
1146	return if $self->in_memory != cf::MAP_SWAPPED;	1329	return if $self->in_memory != cf::MAP_SWAPPED;
1147		1330
1148	$self->in_memory (cf::MAP_LOADING);	1331	$self->in_memory (cf::MAP_LOADING);
1149
1150	my $path = $self->{path};
1151		1332
1152	$self->alloc;	1333	$self->alloc;
1153	$self->load_objects ($self->{load_path}, 1)	1334	$self->load_objects ($self->{load_path}, 1)
1154	or return;	1335	or return;
1155		1336
1156	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) if delete $self->{load_original};	1337	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1338	if delete $self->{load_original};
1157		1339
1158	if (my $uniq = $path->uniq_path) {	1340	if (my $uniq = $path->uniq_path) {
1159	utf8::encode $uniq;	1341	utf8::encode $uniq;
1160	if (aio_open $uniq, O_RDONLY, 0) {	1342	if (aio_open $uniq, O_RDONLY, 0) {
1161	$self->clear_unique_items;	1343	$self->clear_unique_items;
1162	$self->load_objects ($uniq, 0);	1344	$self->load_objects ($uniq, 0);
1163	}	1345	}
1164	}	1346	}
		1347
		1348	Coro::cede;
1165		1349
1166	# now do the right thing for maps	1350	# now do the right thing for maps
1167	$self->link_multipart_objects;	1351	$self->link_multipart_objects;
1168		1352
1169	if ($self->{path}->is_style_map) {	1353	if ($self->{path}->is_style_map) {
…		…
1177	$self->difficulty ($self->estimate_difficulty)	1361	$self->difficulty ($self->estimate_difficulty)
1178	unless $self->difficulty;	1362	unless $self->difficulty;
1179	$self->activate;	1363	$self->activate;
1180	}	1364	}
1181		1365
		1366	Coro::cede;
		1367
1182	$self->in_memory (cf::MAP_IN_MEMORY);	1368	$self->in_memory (cf::MAP_IN_MEMORY);
1183	}	1369	}
1184		1370
1185	sub load_map_sync {	1371	sub find_sync {
1186	my ($path, $origin) = @_;	1372	my ($path, $origin) = @_;
1187		1373
1188	#warn "load_map_sync<$path, $origin>\n";#d#	1374	cf::sync_job { cf::map::find $path, $origin }
		1375	}
1189		1376
1190	cf::sync_job {	1377	sub do_load_sync {
1191	my $map = cf::map::find_map $path, $origin	1378	my ($map) = @_;
1192	or return;	1379
1193	$map->load;	1380	cf::sync_job { $map->load };
1194	$map
1195	}
1196	}	1381	}
1197		1382
1198	sub save {	1383	sub save {
1199	my ($self) = @_;	1384	my ($self) = @_;
1200		1385
		1386	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1387
		1388	$self->{last_save} = $cf::RUNTIME;
		1389
		1390	return unless $self->dirty;
		1391
1201	my $save = $self->{path}->save_path; utf8::encode $save;	1392	my $save = $self->{path}->save_path; utf8::encode $save;
1202	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1393	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1203		1394
1204	$self->{last_save} = $cf::RUNTIME;
1205
1206	return unless $self->dirty;
1207
1208	$self->{load_path} = $save;	1395	$self->{load_path} = $save;
1209		1396
1210	return if $self->{deny_save};	1397	return if $self->{deny_save};
1211		1398
1212	warn "saving map ", $self->path;	1399	local $self->{last_access} = $self->last_access;#d#
		1400
		1401	cf::async {
		1402	$_->contr->save for $self->players;
		1403	};
1213		1404
1214	if ($uniq) {	1405	if ($uniq) {
1215	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);	1406	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);
1216	$self->save_objects ($uniq, cf::IO_UNIQUES);	1407	$self->save_objects ($uniq, cf::IO_UNIQUES);
1217	} else {	1408	} else {
…		…
1220	}	1411	}
1221		1412
1222	sub swap_out {	1413	sub swap_out {
1223	my ($self) = @_;	1414	my ($self) = @_;
1224		1415
		1416	# save first because save cedes
		1417	$self->save;
		1418
		1419	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1420
1225	return if $self->players;	1421	return if $self->players;
1226	return if $self->in_memory != cf::MAP_IN_MEMORY;	1422	return if $self->in_memory != cf::MAP_IN_MEMORY;
1227	return if $self->{deny_save};	1423	return if $self->{deny_save};
1228		1424
1229	$self->save;
1230	$self->clear;	1425	$self->clear;
1231	$self->in_memory (cf::MAP_SWAPPED);	1426	$self->in_memory (cf::MAP_SWAPPED);
1232	}	1427	}
1233		1428
		1429	sub reset_at {
		1430	my ($self) = @_;
		1431
		1432	# TODO: safety, remove and allow resettable per-player maps
		1433	return 1e99 if $self->{path}{user_rel};
		1434	return 1e99 if $self->{deny_reset};
		1435
		1436	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1437	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;
		1438
		1439	$time + $to
		1440	}
		1441
1234	sub should_reset {	1442	sub should_reset {
1235	my ($map) = @_;	1443	my ($self) = @_;
1236		1444
1237	# TODO: safety, remove and allow resettable per-player maps	1445	$self->reset_at <= $cf::RUNTIME
1238	return if $map->{path}{user_rel};#d#
1239	return if $map->{deny_reset};
1240	#return unless $map->reset_timeout;
1241
1242	my $time = $map->fixed_resettime ? $map->{instantiate_time} : $map->last_access;
1243	my $to = $map->reset_timeout \|\| $DEFAULT_RESET;
1244	$to = $MAX_RESET if $to > $MAX_RESET;
1245
1246	$time + $to < $cf::RUNTIME
1247	}	1446	}
1248		1447
1249	sub unlink_save {	1448	sub unlink_save {
1250	my ($self) = @_;	1449	my ($self) = @_;
1251		1450
1252	utf8::encode (my $save = $self->{path}->save_path);	1451	utf8::encode (my $save = $self->{path}->save_path);
1253	aioreq_pri 3; IO::AIO::aio_unlink $save;	1452	aioreq_pri 3; IO::AIO::aio_unlink $save;
1254	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";	1453	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1255	}	1454	}
1256		1455
		1456	sub rename {
		1457	my ($self, $new_path) = @_;
		1458
		1459	$self->unlink_save;
		1460
		1461	delete $cf::MAP{$self->path};
		1462	$self->{path} = new cf::path $new_path;
		1463	$self->path ($self->{path}->as_string);
		1464	$cf::MAP{$self->path} = $self;
		1465
		1466	$self->save;
		1467	}
		1468
1257	sub reset {	1469	sub reset {
1258	my ($self) = @_;	1470	my ($self) = @_;
1259		1471
		1472	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1473
1260	return if $self->players;	1474	return if $self->players;
1261	return if $self->{path}{user_rel};#d#	1475	return if $self->{path}{user_rel};#d#
1262		1476
1263	warn "resetting map ", $self->path;#d#	1477	warn "resetting map ", $self->path;#d#
1264		1478
…		…
1268		1482
1269	$self->unlink_save;	1483	$self->unlink_save;
1270	$self->destroy;	1484	$self->destroy;
1271	}	1485	}
1272		1486
		1487	my $nuke_counter = "aaaa";
		1488
		1489	sub nuke {
		1490	my ($self) = @_;
		1491
		1492	$self->{deny_save} = 1;
		1493	$self->reset_timeout (1);
		1494	$self->rename ("{nuke}/" . ($nuke_counter++));
		1495	$self->reset; # polite request, might not happen
		1496	}
		1497
1273	sub customise_for {	1498	sub customise_for {
1274	my ($map, $ob) = @_;	1499	my ($map, $ob) = @_;
1275		1500
1276	if ($map->per_player) {	1501	if ($map->per_player) {
1277	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1502	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1278	}	1503	}
1279		1504
1280	$map	1505	$map
1281	}	1506	}
1282		1507
1283	sub emergency_save {	1508	sub emergency_save {
1284	local $cf::FREEZE = 1;	1509	my $freeze_guard = cf::freeze_mainloop;
1285		1510
1286	warn "enter emergency map save\n";	1511	warn "enter emergency perl save\n";
1287		1512
1288	cf::sync_job {	1513	cf::sync_job {
		1514	warn "begin emergency player save\n";
		1515	$_->save for values %cf::PLAYER;
		1516	warn "end emergency player save\n";
		1517
1289	warn "begin emergency map save\n";	1518	warn "begin emergency map save\n";
1290	$_->save for values %cf::MAP;	1519	$_->save for values %cf::MAP;
		1520	warn "end emergency map save\n";
1291	};	1521	};
1292		1522
1293	warn "end emergency map save\n";	1523	warn "leave emergency perl save\n";
1294	}	1524	}
1295		1525
1296	package cf;	1526	package cf;
1297		1527
1298	=back	1528	=back
…		…
1340	(ref $cf::CFG{"may_$access"}	1570	(ref $cf::CFG{"may_$access"}
1341	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1571	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1342	: $cf::CFG{"may_$access"})	1572	: $cf::CFG{"may_$access"})
1343	}	1573	}
1344		1574
		1575	=item $player_object->enter_link
		1576
		1577	Freezes the player and moves him/her to a special map (C<{link}>).
		1578
		1579	The player should be reaosnably safe there for short amounts of time. You
		1580	I<MUST> call C<leave_link> as soon as possible, though.
		1581
		1582	=item $player_object->leave_link ($map, $x, $y)
		1583
		1584	Moves the player out of the specila link map onto the given map. If the
		1585	map is not valid (or omitted), the player will be moved back to the
		1586	location he/she was before the call to C<enter_link>, or, if that fails,
		1587	to the emergency map position.
		1588
		1589	Might block.
		1590
		1591	=cut
		1592
1345	sub cf::object::player::enter_link {	1593	sub cf::object::player::enter_link {
1346	my ($self) = @_;	1594	my ($self) = @_;
1347		1595
		1596	$self->deactivate_recursive;
		1597
1348	return if $self->map == $LINK_MAP;	1598	return if $self->map == $LINK_MAP;
1349		1599
1350	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1600	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]
1351	if $self->map;	1601	if $self->map;
1352		1602
1353	$self->enter_map ($LINK_MAP, 20, 20);	1603	$self->enter_map ($LINK_MAP, 20, 20);
1354	$self->deactivate_recursive;
1355	}	1604	}
1356		1605
1357	sub cf::object::player::leave_link {	1606	sub cf::object::player::leave_link {
1358	my ($self, $map, $x, $y) = @_;	1607	my ($self, $map, $x, $y) = @_;
1359		1608
1360	my $link_pos = delete $self->{_link_pos};	1609	my $link_pos = delete $self->{_link_pos};
1361		1610
1362	unless ($map) {	1611	unless ($map) {
1363	$self->message ("The exit is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
1364
1365	# restore original map position	1612	# restore original map position
1366	($map, $x, $y) = @{ $link_pos \|\| [] };	1613	($map, $x, $y) = @{ $link_pos \|\| [] };
1367	$map = cf::map::find_map $map;	1614	$map = cf::map::find $map;
1368		1615
1369	unless ($map) {	1616	unless ($map) {
1370	($map, $x, $y) = @$EMERGENCY_POSITION;	1617	($map, $x, $y) = @$EMERGENCY_POSITION;
1371	$map = cf::map::find_map $map	1618	$map = cf::map::find $map
1372	or die "FATAL: cannot load emergency map\n";	1619	or die "FATAL: cannot load emergency map\n";
1373	}	1620	}
1374	}	1621	}
1375		1622
1376	($x, $y) = (-1, -1)	1623	($x, $y) = (-1, -1)
…		…
1380	($x, $y) = ($map->enter_x, $map->enter_y)	1627	($x, $y) = ($map->enter_x, $map->enter_y)
1381	if $x <=0 && $y <= 0;	1628	if $x <=0 && $y <= 0;
1382		1629
1383	$map->load;	1630	$map->load;
1384		1631
		1632	return unless $self->contr->active;
1385	$self->activate_recursive;	1633	$self->activate_recursive;
1386	$self->enter_map ($map, $x, $y);	1634	$self->enter_map ($map, $x, $y);
1387	}	1635	}
1388		1636
		1637	cf::player->attach (
		1638	on_logout => sub {
		1639	my ($pl) = @_;
		1640
		1641	# abort map switching before logout
		1642	if ($pl->ob->{_link_pos}) {
		1643	cf::sync_job {
		1644	$pl->ob->leave_link
		1645	};
		1646	}
		1647	},
		1648	on_login => sub {
		1649	my ($pl) = @_;
		1650
		1651	# try to abort aborted map switching on player login :)
		1652	# should happen only on crashes
		1653	if ($pl->ob->{_link_pos}) {
		1654	$pl->ob->enter_link;
		1655	(async {
		1656	# we need this sleep as the login has a concurrent enter_exit running
		1657	# and this sleep increases chances of the player not ending up in scorn
		1658	$pl->ob->reply (undef,
		1659	"There was an internal problem at your last logout, "
		1660	. "the server will try to bring you to your intended destination in a second.",
		1661	cf::NDI_RED);
		1662	Coro::Timer::sleep 1;
		1663	$pl->ob->leave_link;
		1664	})->prio (2);
		1665	}
		1666	},
		1667	);
		1668
1389	=item $player_object->goto_map ($map, $x, $y)	1669	=item $player_object->goto ($path, $x, $y)
1390		1670
1391	=cut	1671	=cut
1392		1672
1393	sub cf::object::player::goto_map {	1673	sub cf::object::player::goto {
1394	my ($self, $path, $x, $y) = @_;	1674	my ($self, $path, $x, $y) = @_;
1395		1675
1396	$self->enter_link;	1676	$self->enter_link;
1397		1677
1398	(Coro::async {	1678	(async {
1399	$path = new cf::path $path;	1679	$path = new cf::path $path;
1400		1680
1401	my $map = cf::map::find_map $path->as_string;	1681	my $map = cf::map::find $path->as_string;
1402	$map = $map->customise_for ($self) if $map;	1682	$map = $map->customise_for ($self) if $map;
1403		1683
1404	warn "entering ", $map->path, " at ($x, $y)\n"	1684	# warn "entering ", $map->path, " at ($x, $y)\n"
1405	if $map;	1685	# if $map;
		1686
		1687	$map or $map->cluck ("oy");#d#
		1688	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
1406		1689
1407	$self->leave_link ($map, $x, $y);	1690	$self->leave_link ($map, $x, $y);
1408	})->prio (1);	1691	})->prio (1);
1409	}	1692	}
1410		1693
…		…
1463		1746
1464	return unless $self->type == cf::PLAYER;	1747	return unless $self->type == cf::PLAYER;
1465		1748
1466	$self->enter_link;	1749	$self->enter_link;
1467		1750
1468	(Coro::async {	1751	(async {
		1752	$self->deactivate_recursive; # just to be sure
1469	unless (eval {	1753	unless (eval {
1470
1471	prepare_random_map $exit	1754	prepare_random_map $exit
1472	if $exit->slaying eq "/!";	1755	if $exit->slaying eq "/!";
1473		1756
1474	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1757	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1475	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1758	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1476		1759
1477	1;	1760	1;
1478	}) {	1761	}) {
1479	$self->message ("Something went wrong deep within the crossfire server. "	1762	$self->message ("Something went wrong deep within the crossfire server. "
1480	. "I'll try to bring you back to the map you were before. "	1763	. "I'll try to bring you back to the map you were before. "
…		…
1537	on_reply => sub {	1820	on_reply => sub {
1538	my ($ns, $msg) = @_;	1821	my ($ns, $msg) = @_;
1539		1822
1540	# this weird shuffling is so that direct followup queries	1823	# this weird shuffling is so that direct followup queries
1541	# get handled first	1824	# get handled first
1542	my $queue = delete $ns->{query_queue};	1825	my $queue = delete $ns->{query_queue}
		1826	or return; # be conservative, not sure how that can happen, but we saw a crash here
1543		1827
1544	(shift @$queue)->[1]->($msg);	1828	(shift @$queue)->[1]->($msg);
1545		1829
1546	push @{ $ns->{query_queue} }, @$queue;	1830	push @{ $ns->{query_queue} }, @$queue;
1547		1831
…		…
1553	}	1837	}
1554	}	1838	}
1555	},	1839	},
1556	);	1840	);
1557		1841
1558	=item $client->coro (\&cb)	1842	=item $client->async (\&cb)
1559		1843
1560	Create a new coroutine, running the specified callback. The coroutine will	1844	Create a new coroutine, running the specified callback. The coroutine will
1561	be automatically cancelled when the client gets destroyed (e.g. on logout,	1845	be automatically cancelled when the client gets destroyed (e.g. on logout,
1562	or loss of connection).	1846	or loss of connection).
1563		1847
1564	=cut	1848	=cut
1565		1849
1566	sub cf::client::coro {	1850	sub cf::client::async {
1567	my ($self, $cb) = @_;	1851	my ($self, $cb) = @_;
1568		1852
1569	my $coro; $coro = async {	1853	my $coro = &Coro::async ($cb);
1570	eval {
1571	$cb->();
1572	};
1573	warn $@ if $@;
1574	};
1575		1854
1576	$coro->on_destroy (sub {	1855	$coro->on_destroy (sub {
1577	delete $self->{_coro}{$coro+0};	1856	delete $self->{_coro}{$coro+0};
1578	});	1857	});
1579		1858
…		…
1751		2030
1752	{	2031	{
1753	my $path = cf::localdir . "/database.pst";	2032	my $path = cf::localdir . "/database.pst";
1754		2033
1755	sub db_load() {	2034	sub db_load() {
1756	warn "loading database $path\n";#d# remove later
1757	$DB = stat $path ? Storable::retrieve $path : { };	2035	$DB = stat $path ? Storable::retrieve $path : { };
1758	}	2036	}
1759		2037
1760	my $pid;	2038	my $pid;
1761		2039
1762	sub db_save() {	2040	sub db_save() {
1763	warn "saving database $path\n";#d# remove later
1764	waitpid $pid, 0 if $pid;	2041	waitpid $pid, 0 if $pid;
1765	if (0 == ($pid = fork)) {	2042	if (0 == ($pid = fork)) {
1766	$DB->{_meta}{version} = 1;	2043	$DB->{_meta}{version} = 1;
1767	Storable::nstore $DB, "$path~";	2044	Storable::nstore $DB, "$path~";
1768	rename "$path~", $path;	2045	rename "$path~", $path;
…		…
1816	open my $fh, "<:utf8", cf::confdir . "/config"	2093	open my $fh, "<:utf8", cf::confdir . "/config"
1817	or return;	2094	or return;
1818		2095
1819	local $/;	2096	local $/;
1820	*CFG = YAML::Syck::Load <$fh>;	2097	*CFG = YAML::Syck::Load <$fh>;
		2098
		2099	$EMERGENCY_POSITION = $CFG{emergency_position} \|\| ["/world/world_105_115", 5, 37];
		2100
		2101	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2102	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2103
		2104	if (exists $CFG{mlockall}) {
		2105	eval {
		2106	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2107	and die "WARNING: m(un)lockall failed: $!\n";
		2108	};
		2109	warn $@ if $@;
		2110	}
1821	}	2111	}
1822		2112
1823	sub main {	2113	sub main {
1824	# we must not ever block the main coroutine	2114	# we must not ever block the main coroutine
1825	local $Coro::idle = sub {	2115	local $Coro::idle = sub {
1826	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2116	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1827	(Coro::unblock_sub {
1828	Event::one_event;	2117	async { Event::one_event };
1829	})->();
1830	};	2118	};
1831		2119
1832	cfg_load;	2120	cfg_load;
1833	db_load;	2121	db_load;
1834	load_extensions;	2122	load_extensions;
…		…
1845	return;	2133	return;
1846	}	2134	}
1847		2135
1848	warn "reloading...";	2136	warn "reloading...";
1849		2137
1850	local $FREEZE = 1;	2138	my $guard = freeze_mainloop;
1851	cf::emergency_save;	2139	cf::emergency_save;
1852		2140
1853	eval {	2141	eval {
1854	# if anything goes wrong in here, we should simply crash as we already saved	2142	# if anything goes wrong in here, we should simply crash as we already saved
1855		2143
…		…
1917	cf::load_extensions;	2205	cf::load_extensions;
1918		2206
1919	# reattach attachments to objects	2207	# reattach attachments to objects
1920	warn "reattach";	2208	warn "reattach";
1921	_global_reattach;	2209	_global_reattach;
		2210	reattach $_ for values %MAP;
1922	};	2211	};
1923		2212
1924	if ($@) {	2213	if ($@) {
1925	warn $@;	2214	warn $@;
1926	warn "error while reloading, exiting.";	2215	warn "error while reloading, exiting.";
…		…
1942	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";	2231	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1943	$LINK_MAP->in_memory (MAP_IN_MEMORY);	2232	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1944		2233
1945	# dirty hack because... archetypes are not yet loaded	2234	# dirty hack because... archetypes are not yet loaded
1946	Event->timer (	2235	Event->timer (
1947	after => 2,	2236	after => 10,
1948	cb => sub {	2237	cb => sub {
1949	$_[0]->w->cancel;	2238	$_[0]->w->cancel;
1950		2239
1951	# provide some exits "home"	2240	# provide some exits "home"
1952	my $exit = cf::object::new "exit";	2241	my $exit = cf::object::new "exit";
…		…
1991	reentrant => 0,	2280	reentrant => 0,
1992	prio => 0,	2281	prio => 0,
1993	at => $NEXT_TICK \|\| $TICK,	2282	at => $NEXT_TICK \|\| $TICK,
1994	data => WF_AUTOCANCEL,	2283	data => WF_AUTOCANCEL,
1995	cb => sub {	2284	cb => sub {
1996	unless ($FREEZE) {
1997	cf::server_tick; # one server iteration	2285	cf::server_tick; # one server iteration
1998	$RUNTIME += $TICK;	2286	$RUNTIME += $TICK;
1999	}
2000
2001	$NEXT_TICK += $TICK;	2287	$NEXT_TICK += $TICK;
2002		2288
2003	# if we are delayed by four ticks or more, skip them all	2289	# if we are delayed by four ticks or more, skip them all
2004	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2290	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2005		2291
…		…
2028	or warn "ERROR: unable to write runtime file: $!";	2314	or warn "ERROR: unable to write runtime file: $!";
2029	})->();	2315	})->();
2030	},	2316	},
2031	);	2317	);
2032		2318
		2319	END { cf::emergency_save }
		2320
2033	1	2321	1
2034		2322

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.111 by root, Mon Jan 1 12:28:47 2007 UTC vs. Revision 1.151 by root, Mon Jan 8 20:59:15 2007 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.111 by root, Mon Jan 1 12:28:47 2007 UTC vs.
Revision 1.151 by root, Mon Jan 8 20:59:15 2007 UTC