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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.110 by root, Mon Jan 1 11:21:55 2007 UTC vs.
Revision 1.145 by root, Sun Jan 7 21:54:59 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 = $cf::CFG{emergency_position} \|\| ["/world/world_105_115", 5, 37];
78		77
79	#############################################################################	78	#############################################################################
80		79
81	=head2 GLOBAL VARIABLES	80	=head2 GLOBAL VARIABLES
82		81
…		…
181	sub to_json($) {	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	$cf::PLAYER{$login} \|\|= (load_pl path $login or return);
		1125	};
		1126	}
		1127
		1128	sub save($) {
		1129	my ($pl) = @_;
		1130
		1131	return if $pl->{deny_save};
		1132
		1133	my $path = path $pl;
		1134	my $guard = cf::lock_acquire "user_save:$path";
		1135
		1136	return if $pl->{deny_save};
		1137	$pl->{last_save} = $cf::RUNTIME;
		1138
		1139	Coro::cede;
		1140	$pl->save_pl ($path);
		1141	Coro::cede;
		1142	}
		1143
		1144	sub new($) {
		1145	my ($login) = @_;
		1146
		1147	my $self = create;
		1148
		1149	$self->ob->name ($login);
		1150	$self->{deny_save} = 1;
		1151
		1152	$cf::PLAYER{$login} = $self;
		1153
		1154	$self
		1155	}
		1156
		1157	sub quit_character {
		1158	my ($pl) = @_;
		1159
		1160	$pl->{deny_save} = 1;
		1161	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1162
		1163	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1164	$pl->deactivate;
		1165	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1166	$pl->ns->destroy if $pl->ns;
		1167
		1168	my $path = playerdir $pl;
		1169	my $temp = "$path~$cf::RUNTIME~deleting~";
		1170	IO::AIO::aio_rename $path, $temp, sub {
		1171	delete $cf::PLAYER{$pl->ob->name};
		1172	$pl->destroy;
		1173
		1174	IO::AIO::aio_rmtree $temp;
		1175	};
1019	}	1176	}
1020		1177
1021	=item $player->ext_reply ($msgid, $msgtype, %msg)	1178	=item $player->ext_reply ($msgid, $msgtype, %msg)
1022		1179
1023	Sends an ext reply to the player.	1180	Sends an ext reply to the player.
1024		1181
1025	=cut	1182	=cut
1026		1183
1027	sub cf::player::ext_reply($$$%) {	1184	sub ext_reply($$$%) {
1028	my ($self, $id, %msg) = @_;	1185	my ($self, $id, %msg) = @_;
1029		1186
1030	$msg{msgid} = $id;	1187	$msg{msgid} = $id;
1031		1188
1032	$self->send ("ext " . to_json \%msg);	1189	$self->send ("ext " . cf::to_json \%msg);
1033	}	1190	}
		1191
		1192	package cf;
1034		1193
1035	=back	1194	=back
1036		1195
1037		1196
1038	=head3 cf::map	1197	=head3 cf::map
…		…
1044	package cf::map;	1203	package cf::map;
1045		1204
1046	use Fcntl;	1205	use Fcntl;
1047	use Coro::AIO;	1206	use Coro::AIO;
1048		1207
1049	our $MAX_RESET = 7200;	1208	our $MAX_RESET = 3600;
1050	our $DEFAULT_RESET = 3600;	1209	our $DEFAULT_RESET = 3000;
1051	$MAX_RESET = 10;#d#
1052	$DEFAULT_RESET = 10;#d#
1053		1210
1054	sub generate_random_map {	1211	sub generate_random_map {
1055	my ($path, $rmp) = @_;	1212	my ($path, $rmp) = @_;
1056		1213
1057	# mit "rum" bekleckern, nicht	1214	# mit "rum" bekleckern, nicht
…		…
1073	# and all this just because we cannot iterate over	1230	# and all this just because we cannot iterate over
1074	# all maps in C++...	1231	# all maps in C++...
1075	sub change_all_map_light {	1232	sub change_all_map_light {
1076	my ($change) = @_;	1233	my ($change) = @_;
1077		1234
1078	$_->change_map_light ($change) for values %cf::MAP;	1235	$_->change_map_light ($change)
		1236	for grep $_->outdoor, values %cf::MAP;
1079	}	1237	}
1080		1238
1081	sub try_load_header($) {	1239	sub try_load_header($) {
1082	my ($path) = @_;	1240	my ($path) = @_;
1083		1241
…		…
1086	or return;	1244	or return;
1087		1245
1088	my $map = cf::map::new	1246	my $map = cf::map::new
1089	or return;	1247	or return;
1090		1248
		1249	# for better error messages only, will be overwritten
		1250	$map->path ($path);
		1251
1091	$map->load_header ($path)	1252	$map->load_header ($path)
1092	or return;	1253	or return;
1093		1254
1094	$map->{load_path} = $path;	1255	$map->{load_path} = $path;
1095	use Data::Dumper; warn Dumper $map;#d#
1096		1256
1097	$map	1257	$map
1098	}	1258	}
1099		1259
		1260	sub find;
1100	sub find_map {	1261	sub find {
1101	my ($path, $origin) = @_;	1262	my ($path, $origin) = @_;
1102		1263
1103	#warn "find_map<$path,$origin>\n";#d#	1264	#warn "find<$path,$origin>\n";#d#
1104		1265
1105	$path = ref $path ? $path : new cf::path $path, $origin && $origin->path;	1266	$path = new cf::path $path, $origin && $origin->path;
1106	my $key = $path->as_string;	1267	my $key = $path->as_string;
1107		1268
		1269	cf::lock_wait "map_find:$key";
		1270
1108	$cf::MAP{$key} \|\| do {	1271	$cf::MAP{$key} \|\| do {
		1272	my $guard = cf::lock_acquire "map_find:$key";
		1273
1109	# do it the slow way	1274	# do it the slow way
1110	my $map = try_load_header $path->save_path;	1275	my $map = try_load_header $path->save_path;
1111		1276
		1277	Coro::cede;
		1278
1112	if ($map) {	1279	if ($map) {
		1280	$map->last_access ((delete $map->{last_access})
		1281	\|\| $cf::RUNTIME); #d#
1113	# safety	1282	# safety
1114	$map->{instantiate_time} = $cf::RUNTIME	1283	$map->{instantiate_time} = $cf::RUNTIME
1115	if $map->{instantiate_time} > $cf::RUNTIME;	1284	if $map->{instantiate_time} > $cf::RUNTIME;
1116	} else {	1285	} else {
1117	if (my $rmp = $path->random_map_params) {	1286	if (my $rmp = $path->random_map_params) {
…		…
1120	$map = try_load_header $path->load_path;	1289	$map = try_load_header $path->load_path;
1121	}	1290	}
1122		1291
1123	$map or return;	1292	$map or return;
1124		1293
		1294	$map->{load_original} = 1;
1125	$map->{instantiate_time} = $cf::RUNTIME;	1295	$map->{instantiate_time} = $cf::RUNTIME;
		1296	$map->last_access ($cf::RUNTIME);
1126	$map->instantiate;	1297	$map->instantiate;
1127		1298
1128	# per-player maps become, after loading, normal maps	1299	# per-player maps become, after loading, normal maps
1129	$map->per_player (0) if $path->{user_rel};	1300	$map->per_player (0) if $path->{user_rel};
1130	}	1301	}
1131		1302
1132	$map->path ($key);	1303	$map->path ($key);
1133	$map->{path} = $path;	1304	$map->{path} = $path;
1134	$map->last_access ($cf::RUNTIME);	1305	$map->{last_save} = $cf::RUNTIME;
1135		1306
		1307	Coro::cede;
		1308
1136	$map->reset if $map->should_reset;	1309	if ($map->should_reset) {
		1310	$map->reset;
		1311	undef $guard;
		1312	$map = find $path
		1313	or return;
		1314	}
1137		1315
1138	$cf::MAP{$key} = $map	1316	$cf::MAP{$key} = $map
1139	}	1317	}
1140	}	1318	}
1141		1319
1142	sub load {	1320	sub load {
1143	my ($self) = @_;	1321	my ($self) = @_;
1144		1322
		1323	my $path = $self->{path};
		1324	my $guard = cf::lock_acquire "map_load:" . $path->as_string;
		1325
1145	return if $self->in_memory != cf::MAP_SWAPPED;	1326	return if $self->in_memory != cf::MAP_SWAPPED;
1146		1327
1147	$self->in_memory (cf::MAP_LOADING);	1328	$self->in_memory (cf::MAP_LOADING);
1148
1149	my $path = $self->{path};
1150		1329
1151	$self->alloc;	1330	$self->alloc;
1152	$self->load_objects ($self->{load_path}, 1)	1331	$self->load_objects ($self->{load_path}, 1)
1153	or return;	1332	or return;
		1333
		1334	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1335	if delete $self->{load_original};
1154		1336
1155	if (my $uniq = $path->uniq_path) {	1337	if (my $uniq = $path->uniq_path) {
1156	utf8::encode $uniq;	1338	utf8::encode $uniq;
1157	if (aio_open $uniq, O_RDONLY, 0) {	1339	if (aio_open $uniq, O_RDONLY, 0) {
1158	$self->clear_unique_items;	1340	$self->clear_unique_items;
1159	$self->load_objects ($uniq, 0);	1341	$self->load_objects ($uniq, 0);
1160	}	1342	}
1161	}	1343	}
		1344
		1345	Coro::cede;
1162		1346
1163	# now do the right thing for maps	1347	# now do the right thing for maps
1164	$self->link_multipart_objects;	1348	$self->link_multipart_objects;
1165		1349
1166	if ($self->{path}->is_style_map) {	1350	if ($self->{path}->is_style_map) {
…		…
1174	$self->difficulty ($self->estimate_difficulty)	1358	$self->difficulty ($self->estimate_difficulty)
1175	unless $self->difficulty;	1359	unless $self->difficulty;
1176	$self->activate;	1360	$self->activate;
1177	}	1361	}
1178		1362
		1363	Coro::cede;
		1364
1179	$self->in_memory (cf::MAP_IN_MEMORY);	1365	$self->in_memory (cf::MAP_IN_MEMORY);
1180	}	1366	}
1181		1367
1182	sub load_map_sync {	1368	sub find_sync {
1183	my ($path, $origin) = @_;	1369	my ($path, $origin) = @_;
1184		1370
1185	#warn "load_map_sync<$path, $origin>\n";#d#	1371	cf::sync_job { cf::map::find $path, $origin }
		1372	}
1186		1373
1187	cf::sync_job {	1374	sub do_load_sync {
1188	my $map = cf::map::find_map $path, $origin	1375	my ($map) = @_;
1189	or return;	1376
1190	$map->load;	1377	cf::sync_job { $map->load };
1191	$map
1192	}
1193	}	1378	}
1194		1379
1195	sub save {	1380	sub save {
1196	my ($self) = @_;	1381	my ($self) = @_;
1197		1382
		1383	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1384
		1385	$self->{last_save} = $cf::RUNTIME;
		1386
		1387	return unless $self->dirty;
		1388
1198	my $save = $self->{path}->save_path; utf8::encode $save;	1389	my $save = $self->{path}->save_path; utf8::encode $save;
1199	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1390	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1200		1391
1201	$self->{last_save} = $cf::RUNTIME;
1202
1203	return unless $self->dirty;
1204
1205	$self->{load_path} = $save;	1392	$self->{load_path} = $save;
1206		1393
1207	return if $self->{deny_save};	1394	return if $self->{deny_save};
1208		1395
1209	warn "saving map ", $self->path;	1396	local $self->{last_access} = $self->last_access;#d#
		1397
		1398	cf::async {
		1399	$_->contr->save for $self->players;
		1400	};
1210		1401
1211	if ($uniq) {	1402	if ($uniq) {
1212	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);	1403	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);
1213	$self->save_objects ($uniq, cf::IO_UNIQUES);	1404	$self->save_objects ($uniq, cf::IO_UNIQUES);
1214	} else {	1405	} else {
…		…
1217	}	1408	}
1218		1409
1219	sub swap_out {	1410	sub swap_out {
1220	my ($self) = @_;	1411	my ($self) = @_;
1221		1412
		1413	# save first because save cedes
		1414	$self->save;
		1415
		1416	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1417
1222	return if $self->players;	1418	return if $self->players;
1223	return if $self->in_memory != cf::MAP_IN_MEMORY;	1419	return if $self->in_memory != cf::MAP_IN_MEMORY;
1224	return if $self->{deny_save};	1420	return if $self->{deny_save};
1225		1421
1226	$self->save;
1227	$self->clear;	1422	$self->clear;
1228	$self->in_memory (cf::MAP_SWAPPED);	1423	$self->in_memory (cf::MAP_SWAPPED);
1229	}	1424	}
1230		1425
		1426	sub reset_at {
		1427	my ($self) = @_;
		1428
		1429	# TODO: safety, remove and allow resettable per-player maps
		1430	return 1e99 if $self->{path}{user_rel};
		1431	return 1e99 if $self->{deny_reset};
		1432
		1433	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1434	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;
		1435
		1436	$time + $to
		1437	}
		1438
1231	sub should_reset {	1439	sub should_reset {
1232	my ($map) = @_;
1233
1234	# TODO: safety, remove and allow resettable per-player maps
1235	return if $map->{path}{user_rel};#d#
1236	return if $map->{deny_reset};
1237	#return unless $map->reset_timeout;
1238
1239	my $time = $map->fixed_resettime ? $map->{instantiate_time} : $map->last_access;
1240
1241	$time + ($map->reset_timeout \|\| $DEFAULT_RESET) < $cf::RUNTIME
1242	}
1243
1244	sub reset {
1245	my ($self) = @_;	1440	my ($self) = @_;
1246		1441
1247	return if $self->players;	1442	$self->reset_at <= $cf::RUNTIME
1248	return if $self->{path}{user_rel};#d#	1443	}
1249		1444
1250	warn "resetting map ", $self->path;#d#	1445	sub unlink_save {
		1446	my ($self) = @_;
1251		1447
1252	utf8::encode (my $save = $self->{path}->save_path);	1448	utf8::encode (my $save = $self->{path}->save_path);
1253	aioreq_pri 3; IO::AIO::aio_unlink $save;	1449	aioreq_pri 3; IO::AIO::aio_unlink $save;
1254	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";	1450	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
		1451	}
		1452
		1453	sub rename {
		1454	my ($self, $new_path) = @_;
		1455
		1456	$self->unlink_save;
		1457
		1458	delete $cf::MAP{$self->path};
		1459	$self->{path} = new cf::path $new_path;
		1460	$self->path ($self->{path}->as_string);
		1461	$cf::MAP{$self->path} = $self;
		1462
		1463	$self->save;
		1464	}
		1465
		1466	sub reset {
		1467	my ($self) = @_;
		1468
		1469	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1470
		1471	return if $self->players;
		1472	return if $self->{path}{user_rel};#d#
		1473
		1474	warn "resetting map ", $self->path;#d#
		1475
		1476	delete $cf::MAP{$self->path};
1255		1477
1256	$_->clear_links_to ($self) for values %cf::MAP;	1478	$_->clear_links_to ($self) for values %cf::MAP;
1257		1479
		1480	$self->unlink_save;
1258	$self->clear;	1481	$self->destroy;
1259	$self->in_memory (cf::MAP_SWAPPED);	1482	}
1260	utf8::encode ($self->{load_path} = $self->{path}->load_path);	1483
		1484	my $nuke_counter = "aaaa";
		1485
		1486	sub nuke {
		1487	my ($self) = @_;
		1488
		1489	$self->{deny_save} = 1;
		1490	$self->reset_timeout (1);
		1491	$self->rename ("{nuke}/" . ($nuke_counter++));
		1492	$self->reset; # polite request, might not happen
1261	}	1493	}
1262		1494
1263	sub customise_for {	1495	sub customise_for {
1264	my ($map, $ob) = @_;	1496	my ($map, $ob) = @_;
1265		1497
1266	if ($map->per_player) {	1498	if ($map->per_player) {
1267	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1499	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1268	}	1500	}
1269		1501
1270	$map	1502	$map
1271	}	1503	}
1272		1504
1273	sub emergency_save {	1505	sub emergency_save {
1274	local $cf::FREEZE = 1;	1506	my $freeze_guard = cf::freeze_mainloop;
1275		1507
1276	warn "enter emergency map save\n";	1508	warn "enter emergency perl save\n";
1277		1509
1278	cf::sync_job {	1510	cf::sync_job {
		1511	warn "begin emergency player save\n";
		1512	$_->save for values %cf::PLAYER;
		1513	warn "end emergency player save\n";
		1514
1279	warn "begin emergency map save\n";	1515	warn "begin emergency map save\n";
1280	$_->save for values %cf::MAP;	1516	$_->save for values %cf::MAP;
		1517	warn "end emergency map save\n";
1281	};	1518	};
1282		1519
1283	warn "end emergency map save\n";	1520	warn "leave emergency perl save\n";
1284	}	1521	}
1285		1522
1286	package cf;	1523	package cf;
1287		1524
1288	=back	1525	=back
…		…
1330	(ref $cf::CFG{"may_$access"}	1567	(ref $cf::CFG{"may_$access"}
1331	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1568	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1332	: $cf::CFG{"may_$access"})	1569	: $cf::CFG{"may_$access"})
1333	}	1570	}
1334		1571
		1572	=item $player_object->enter_link
		1573
		1574	Freezes the player and moves him/her to a special map (C<{link}>).
		1575
		1576	The player should be reaosnably safe there for short amounts of time. You
		1577	I<MUST> call C<leave_link> as soon as possible, though.
		1578
		1579	=item $player_object->leave_link ($map, $x, $y)
		1580
		1581	Moves the player out of the specila link map onto the given map. If the
		1582	map is not valid (or omitted), the player will be moved back to the
		1583	location he/she was before the call to C<enter_link>, or, if that fails,
		1584	to the emergency map position.
		1585
		1586	Might block.
		1587
		1588	=cut
		1589
1335	sub cf::object::player::enter_link {	1590	sub cf::object::player::enter_link {
1336	my ($self) = @_;	1591	my ($self) = @_;
1337		1592
		1593	$self->deactivate_recursive;
		1594
1338	return if $self->map == $LINK_MAP;	1595	return if $self->map == $LINK_MAP;
1339		1596
1340	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1597	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]
1341	if $self->map;	1598	if $self->map;
1342		1599
1343	$self->enter_map ($LINK_MAP, 20, 20);	1600	$self->enter_map ($LINK_MAP, 20, 20);
1344	$self->deactivate_recursive;
1345	}	1601	}
1346		1602
1347	sub cf::object::player::leave_link {	1603	sub cf::object::player::leave_link {
1348	my ($self, $map, $x, $y) = @_;	1604	my ($self, $map, $x, $y) = @_;
1349		1605
1350	my $link_pos = delete $self->{_link_pos};	1606	my $link_pos = delete $self->{_link_pos};
1351		1607
1352	unless ($map) {	1608	unless ($map) {
1353	$self->message ("The exit is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
1354
1355	# restore original map position	1609	# restore original map position
1356	($map, $x, $y) = @{ $link_pos \|\| [] };	1610	($map, $x, $y) = @{ $link_pos \|\| [] };
1357	$map = cf::map::find_map $map;	1611	$map = cf::map::find $map;
1358		1612
1359	unless ($map) {	1613	unless ($map) {
1360	($map, $x, $y) = @$EMERGENCY_POSITION;	1614	($map, $x, $y) = @$EMERGENCY_POSITION;
1361	$map = cf::map::find_map $map	1615	$map = cf::map::find $map
1362	or die "FATAL: cannot load emergency map\n";	1616	or die "FATAL: cannot load emergency map\n";
1363	}	1617	}
1364	}	1618	}
1365		1619
1366	($x, $y) = (-1, -1)	1620	($x, $y) = (-1, -1)
…		…
1370	($x, $y) = ($map->enter_x, $map->enter_y)	1624	($x, $y) = ($map->enter_x, $map->enter_y)
1371	if $x <=0 && $y <= 0;	1625	if $x <=0 && $y <= 0;
1372		1626
1373	$map->load;	1627	$map->load;
1374		1628
		1629	return unless $self->contr->active;
1375	$self->activate_recursive;	1630	$self->activate_recursive;
1376	$self->enter_map ($map, $x, $y);	1631	$self->enter_map ($map, $x, $y);
1377	}	1632	}
1378		1633
		1634	cf::player->attach (
		1635	on_logout => sub {
		1636	my ($pl) = @_;
		1637
		1638	# abort map switching before logout
		1639	if ($pl->ob->{_link_pos}) {
		1640	cf::sync_job {
		1641	$pl->ob->leave_link
		1642	};
		1643	}
		1644	},
		1645	on_login => sub {
		1646	my ($pl) = @_;
		1647
		1648	# try to abort aborted map switching on player login :)
		1649	# should happen only on crashes
		1650	if ($pl->ob->{_link_pos}) {
		1651	$pl->ob->enter_link;
		1652	(async {
		1653	# we need this sleep as the login has a concurrent enter_exit running
		1654	# and this sleep increases chances of the player not ending up in scorn
		1655	$pl->ob->reply (undef,
		1656	"There was an internal problem at your last logout, "
		1657	. "the server will try to bring you to your intended destination in a second.",
		1658	cf::NDI_RED);
		1659	Coro::Timer::sleep 1;
		1660	$pl->ob->leave_link;
		1661	})->prio (2);
		1662	}
		1663	},
		1664	);
		1665
1379	=item $player_object->goto_map ($map, $x, $y)	1666	=item $player_object->goto ($path, $x, $y)
1380		1667
1381	=cut	1668	=cut
1382		1669
1383	sub cf::object::player::goto_map {	1670	sub cf::object::player::goto {
1384	my ($self, $path, $x, $y) = @_;	1671	my ($self, $path, $x, $y) = @_;
1385		1672
1386	$self->enter_link;	1673	$self->enter_link;
1387		1674
1388	(Coro::async {	1675	(async {
1389	$path = new cf::path $path;	1676	$path = new cf::path $path;
1390		1677
1391	my $map = cf::map::find_map $path->as_string;	1678	my $map = cf::map::find $path->as_string;
1392	$map = $map->customise_for ($self) if $map;	1679	$map = $map->customise_for ($self) if $map;
1393		1680
1394	warn "entering ", $map->path, " at ($x, $y)\n"	1681	# warn "entering ", $map->path, " at ($x, $y)\n"
1395	if $map;	1682	# if $map;
		1683
		1684	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
1396		1685
1397	$self->leave_link ($map, $x, $y);	1686	$self->leave_link ($map, $x, $y);
1398	})->prio (1);	1687	})->prio (1);
1399	}	1688	}
1400		1689
…		…
1453		1742
1454	return unless $self->type == cf::PLAYER;	1743	return unless $self->type == cf::PLAYER;
1455		1744
1456	$self->enter_link;	1745	$self->enter_link;
1457		1746
1458	(Coro::async {	1747	(async {
		1748	$self->deactivate_recursive; # just to be sure
1459	unless (eval {	1749	unless (eval {
1460
1461	prepare_random_map $exit	1750	prepare_random_map $exit
1462	if $exit->slaying eq "/!";	1751	if $exit->slaying eq "/!";
1463		1752
1464	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1753	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1465	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1754	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1466		1755
1467	1;	1756	1;
1468	}) {	1757	}) {
1469	$self->message ("Something went wrong deep within the crossfire server. "	1758	$self->message ("Something went wrong deep within the crossfire server. "
1470	. "I'll try to bring you back to the map you were before. "	1759	. "I'll try to bring you back to the map you were before. "
…		…
1527	on_reply => sub {	1816	on_reply => sub {
1528	my ($ns, $msg) = @_;	1817	my ($ns, $msg) = @_;
1529		1818
1530	# this weird shuffling is so that direct followup queries	1819	# this weird shuffling is so that direct followup queries
1531	# get handled first	1820	# get handled first
1532	my $queue = delete $ns->{query_queue};	1821	my $queue = delete $ns->{query_queue}
		1822	or return; # be conservative, not sure how that can happen, but we saw a crash here
1533		1823
1534	(shift @$queue)->[1]->($msg);	1824	(shift @$queue)->[1]->($msg);
1535		1825
1536	push @{ $ns->{query_queue} }, @$queue;	1826	push @{ $ns->{query_queue} }, @$queue;
1537		1827
…		…
1543	}	1833	}
1544	}	1834	}
1545	},	1835	},
1546	);	1836	);
1547		1837
1548	=item $client->coro (\&cb)	1838	=item $client->async (\&cb)
1549		1839
1550	Create a new coroutine, running the specified callback. The coroutine will	1840	Create a new coroutine, running the specified callback. The coroutine will
1551	be automatically cancelled when the client gets destroyed (e.g. on logout,	1841	be automatically cancelled when the client gets destroyed (e.g. on logout,
1552	or loss of connection).	1842	or loss of connection).
1553		1843
1554	=cut	1844	=cut
1555		1845
1556	sub cf::client::coro {	1846	sub cf::client::async {
1557	my ($self, $cb) = @_;	1847	my ($self, $cb) = @_;
1558		1848
1559	my $coro; $coro = async {	1849	my $coro = &Coro::async ($cb);
1560	eval {
1561	$cb->();
1562	};
1563	warn $@ if $@;
1564	};
1565		1850
1566	$coro->on_destroy (sub {	1851	$coro->on_destroy (sub {
1567	delete $self->{_coro}{$coro+0};	1852	delete $self->{_coro}{$coro+0};
1568	});	1853	});
1569		1854
…		…
1741		2026
1742	{	2027	{
1743	my $path = cf::localdir . "/database.pst";	2028	my $path = cf::localdir . "/database.pst";
1744		2029
1745	sub db_load() {	2030	sub db_load() {
1746	warn "loading database $path\n";#d# remove later
1747	$DB = stat $path ? Storable::retrieve $path : { };	2031	$DB = stat $path ? Storable::retrieve $path : { };
1748	}	2032	}
1749		2033
1750	my $pid;	2034	my $pid;
1751		2035
1752	sub db_save() {	2036	sub db_save() {
1753	warn "saving database $path\n";#d# remove later
1754	waitpid $pid, 0 if $pid;	2037	waitpid $pid, 0 if $pid;
1755	if (0 == ($pid = fork)) {	2038	if (0 == ($pid = fork)) {
1756	$DB->{_meta}{version} = 1;	2039	$DB->{_meta}{version} = 1;
1757	Storable::nstore $DB, "$path~";	2040	Storable::nstore $DB, "$path~";
1758	rename "$path~", $path;	2041	rename "$path~", $path;
…		…
1806	open my $fh, "<:utf8", cf::confdir . "/config"	2089	open my $fh, "<:utf8", cf::confdir . "/config"
1807	or return;	2090	or return;
1808		2091
1809	local $/;	2092	local $/;
1810	*CFG = YAML::Syck::Load <$fh>;	2093	*CFG = YAML::Syck::Load <$fh>;
		2094
		2095	$EMERGENCY_POSITION = $CFG{emergency_position} \|\| ["/world/world_105_115", 5, 37];
		2096
		2097	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2098	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2099
		2100	if (exists $CFG{mlockall}) {
		2101	eval {
		2102	$CFG{mlockall} ? &mlockall : &munlockall
		2103	and die "WARNING: m(un)lockall failed: $!\n";
		2104	};
		2105	warn $@ if $@;
		2106	}
1811	}	2107	}
1812		2108
1813	sub main {	2109	sub main {
1814	# we must not ever block the main coroutine	2110	# we must not ever block the main coroutine
1815	local $Coro::idle = sub {	2111	local $Coro::idle = sub {
1816	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2112	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1817	(Coro::unblock_sub {
1818	Event::one_event;	2113	async { Event::one_event };
1819	})->();
1820	};	2114	};
1821		2115
1822	cfg_load;	2116	cfg_load;
1823	db_load;	2117	db_load;
1824	load_extensions;	2118	load_extensions;
…		…
1826	}	2120	}
1827		2121
1828	#############################################################################	2122	#############################################################################
1829	# initialisation	2123	# initialisation
1830		2124
1831	sub perl_reload() {	2125	sub reload() {
1832	# can/must only be called in main	2126	# can/must only be called in main
1833	if ($Coro::current != $Coro::main) {	2127	if ($Coro::current != $Coro::main) {
1834	warn "can only reload from main coroutine\n";	2128	warn "can only reload from main coroutine\n";
1835	return;	2129	return;
1836	}	2130	}
1837		2131
1838	warn "reloading...";	2132	warn "reloading...";
1839		2133
1840	local $FREEZE = 1;	2134	my $guard = freeze_mainloop;
1841	cf::emergency_save;	2135	cf::emergency_save;
1842		2136
1843	eval {	2137	eval {
1844	# if anything goes wrong in here, we should simply crash as we already saved	2138	# if anything goes wrong in here, we should simply crash as we already saved
1845		2139
…		…
1907	cf::load_extensions;	2201	cf::load_extensions;
1908		2202
1909	# reattach attachments to objects	2203	# reattach attachments to objects
1910	warn "reattach";	2204	warn "reattach";
1911	_global_reattach;	2205	_global_reattach;
		2206	reattach $_ for values %MAP;
1912	};	2207	};
1913		2208
1914	if ($@) {	2209	if ($@) {
1915	warn $@;	2210	warn $@;
1916	warn "error while reloading, exiting.";	2211	warn "error while reloading, exiting.";
…		…
1932	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";	2227	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1933	$LINK_MAP->in_memory (MAP_IN_MEMORY);	2228	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1934		2229
1935	# dirty hack because... archetypes are not yet loaded	2230	# dirty hack because... archetypes are not yet loaded
1936	Event->timer (	2231	Event->timer (
1937	after => 2,	2232	after => 10,
1938	cb => sub {	2233	cb => sub {
1939	$_[0]->w->cancel;	2234	$_[0]->w->cancel;
1940		2235
1941	# provide some exits "home"	2236	# provide some exits "home"
1942	my $exit = cf::object::new "exit";	2237	my $exit = cf::object::new "exit";
…		…
1963	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;	2258	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1964	}	2259	}
1965		2260
1966	register "<global>", __PACKAGE__;	2261	register "<global>", __PACKAGE__;
1967		2262
1968	register_command "perl-reload" => sub {	2263	register_command "reload" => sub {
1969	my ($who, $arg) = @_;	2264	my ($who, $arg) = @_;
1970		2265
1971	if ($who->flag (FLAG_WIZ)) {	2266	if ($who->flag (FLAG_WIZ)) {
1972	$who->message ("start of reload.");	2267	$who->message ("start of reload.");
1973	perl_reload;	2268	reload;
1974	$who->message ("end of reload.");	2269	$who->message ("end of reload.");
1975	}	2270	}
1976	};	2271	};
1977		2272
1978	unshift @INC, $LIBDIR;	2273	unshift @INC, $LIBDIR;
…		…
1981	reentrant => 0,	2276	reentrant => 0,
1982	prio => 0,	2277	prio => 0,
1983	at => $NEXT_TICK \|\| $TICK,	2278	at => $NEXT_TICK \|\| $TICK,
1984	data => WF_AUTOCANCEL,	2279	data => WF_AUTOCANCEL,
1985	cb => sub {	2280	cb => sub {
1986	unless ($FREEZE) {
1987	cf::server_tick; # one server iteration	2281	cf::server_tick; # one server iteration
1988	$RUNTIME += $TICK;	2282	$RUNTIME += $TICK;
1989	}
1990
1991	$NEXT_TICK += $TICK;	2283	$NEXT_TICK += $TICK;
1992		2284
1993	# if we are delayed by four ticks or more, skip them all	2285	# if we are delayed by four ticks or more, skip them all
1994	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2286	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1995		2287
…		…
2018	or warn "ERROR: unable to write runtime file: $!";	2310	or warn "ERROR: unable to write runtime file: $!";
2019	})->();	2311	})->();
2020	},	2312	},
2021	);	2313	);
2022		2314
		2315	END { cf::emergency_save }
		2316
2023	1	2317	1
2024		2318

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.110 by root, Mon Jan 1 11:21:55 2007 UTC vs. Revision 1.145 by root, Sun Jan 7 21:54:59 2007 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.110 by root, Mon Jan 1 11:21:55 2007 UTC vs.
Revision 1.145 by root, Sun Jan 7 21:54:59 2007 UTC