[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 1.143 by root, Sun Jan 7 02:39:14 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;
…		…
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 path($) {
1017	cf::player::find $_[0]	1092	sprintf "%s/%s/%s/%s.pl",
1018	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	1093	cf::localdir, cf::playerdir,
		1094	(ref $_[0] ? $_[0]->ob->name : $_[0]) x 2
		1095	}
		1096
		1097	sub find_active($) {
		1098	$cf::PLAYER{$_[0]}
		1099	and $cf::PLAYER{$_[0]}->active
		1100	and $cf::PLAYER{$_[0]}
		1101	}
		1102
		1103	sub exists($) {
		1104	my ($login) = @_;
		1105
		1106	$cf::PLAYER{$login}
		1107	or cf::sync_job { !aio_stat $login }
		1108	}
		1109
		1110	sub find($) {
		1111	return $cf::PLAYER{$_[0]} \|\| do {
		1112	my $login = $_[0];
		1113
		1114	my $guard = cf::lock_acquire "user_find:$login";
		1115
		1116	$cf::PLAYER{$login} \|\|= (load_pl path $login or return);
		1117	};
		1118	}
		1119
		1120	sub save($) {
		1121	my ($pl) = @_;
		1122
		1123	return if $pl->{deny_save};
		1124
		1125	my $path = path $pl;
		1126	my $guard = cf::lock_acquire "user_save:$path";
		1127
		1128	return if $pl->{deny_save};
		1129	$pl->{last_save} = $cf::RUNTIME;
		1130
		1131	Coro::cede;
		1132	$pl->save_pl ($path);
		1133	Coro::cede;
		1134	}
		1135
		1136	sub new($) {
		1137	my ($login) = @_;
		1138
		1139	my $self = create;
		1140
		1141	$self->ob->name ($login);
		1142	$self->{deny_save} = 1;
		1143
		1144	$cf::PLAYER{$login} = $self;
		1145
		1146	$self
1019	}	1147	}
1020		1148
1021	=item $player->ext_reply ($msgid, $msgtype, %msg)	1149	=item $player->ext_reply ($msgid, $msgtype, %msg)
1022		1150
1023	Sends an ext reply to the player.	1151	Sends an ext reply to the player.
1024		1152
1025	=cut	1153	=cut
1026		1154
1027	sub cf::player::ext_reply($$$%) {	1155	sub ext_reply($$$%) {
1028	my ($self, $id, %msg) = @_;	1156	my ($self, $id, %msg) = @_;
1029		1157
1030	$msg{msgid} = $id;	1158	$msg{msgid} = $id;
1031		1159
1032	$self->send ("ext " . to_json \%msg);	1160	$self->send ("ext " . cf::to_json \%msg);
1033	}	1161	}
		1162
		1163	package cf;
1034		1164
1035	=back	1165	=back
1036		1166
1037		1167
1038	=head3 cf::map	1168	=head3 cf::map
…		…
1044	package cf::map;	1174	package cf::map;
1045		1175
1046	use Fcntl;	1176	use Fcntl;
1047	use Coro::AIO;	1177	use Coro::AIO;
1048		1178
1049	our $MAX_RESET = 7200;	1179	our $MAX_RESET = 3600;
1050	our $DEFAULT_RESET = 3600;	1180	our $DEFAULT_RESET = 3000;
1051	$MAX_RESET = 10;#d#
1052	$DEFAULT_RESET = 10;#d#
1053		1181
1054	sub generate_random_map {	1182	sub generate_random_map {
1055	my ($path, $rmp) = @_;	1183	my ($path, $rmp) = @_;
1056		1184
1057	# mit "rum" bekleckern, nicht	1185	# mit "rum" bekleckern, nicht
…		…
1073	# and all this just because we cannot iterate over	1201	# and all this just because we cannot iterate over
1074	# all maps in C++...	1202	# all maps in C++...
1075	sub change_all_map_light {	1203	sub change_all_map_light {
1076	my ($change) = @_;	1204	my ($change) = @_;
1077		1205
1078	$_->change_map_light ($change) for values %cf::MAP;	1206	$_->change_map_light ($change)
		1207	for grep $_->outdoor, values %cf::MAP;
1079	}	1208	}
1080		1209
1081	sub try_load_header($) {	1210	sub try_load_header($) {
1082	my ($path) = @_;	1211	my ($path) = @_;
1083		1212
…		…
1086	or return;	1215	or return;
1087		1216
1088	my $map = cf::map::new	1217	my $map = cf::map::new
1089	or return;	1218	or return;
1090		1219
		1220	# for better error messages only, will be overwritten
		1221	$map->path ($path);
		1222
1091	$map->load_header ($path)	1223	$map->load_header ($path)
1092	or return;	1224	or return;
1093		1225
1094	$map->{load_path} = $path;	1226	$map->{load_path} = $path;
1095	use Data::Dumper; warn Dumper $map;#d#
1096		1227
1097	$map	1228	$map
1098	}	1229	}
1099		1230
		1231	sub find;
1100	sub find_map {	1232	sub find {
1101	my ($path, $origin) = @_;	1233	my ($path, $origin) = @_;
1102		1234
1103	#warn "find_map<$path,$origin>\n";#d#	1235	#warn "find<$path,$origin>\n";#d#
1104		1236
1105	$path = ref $path ? $path : new cf::path $path, $origin && $origin->path;	1237	$path = new cf::path $path, $origin && $origin->path;
1106	my $key = $path->as_string;	1238	my $key = $path->as_string;
1107		1239
		1240	cf::lock_wait "map_find:$key";
		1241
1108	$cf::MAP{$key} \|\| do {	1242	$cf::MAP{$key} \|\| do {
		1243	my $guard = cf::lock_acquire "map_find:$key";
		1244
1109	# do it the slow way	1245	# do it the slow way
1110	my $map = try_load_header $path->save_path;	1246	my $map = try_load_header $path->save_path;
1111		1247
		1248	Coro::cede;
		1249
1112	if ($map) {	1250	if ($map) {
		1251	$map->last_access ((delete $map->{last_access})
		1252	\|\| $cf::RUNTIME); #d#
1113	# safety	1253	# safety
1114	$map->{instantiate_time} = $cf::RUNTIME	1254	$map->{instantiate_time} = $cf::RUNTIME
1115	if $map->{instantiate_time} > $cf::RUNTIME;	1255	if $map->{instantiate_time} > $cf::RUNTIME;
1116	} else {	1256	} else {
1117	if (my $rmp = $path->random_map_params) {	1257	if (my $rmp = $path->random_map_params) {
…		…
1120	$map = try_load_header $path->load_path;	1260	$map = try_load_header $path->load_path;
1121	}	1261	}
1122		1262
1123	$map or return;	1263	$map or return;
1124		1264
		1265	$map->{load_original} = 1;
1125	$map->{instantiate_time} = $cf::RUNTIME;	1266	$map->{instantiate_time} = $cf::RUNTIME;
		1267	$map->last_access ($cf::RUNTIME);
1126	$map->instantiate;	1268	$map->instantiate;
1127		1269
1128	# per-player maps become, after loading, normal maps	1270	# per-player maps become, after loading, normal maps
1129	$map->per_player (0) if $path->{user_rel};	1271	$map->per_player (0) if $path->{user_rel};
1130	}	1272	}
1131		1273
1132	$map->path ($key);	1274	$map->path ($key);
1133	$map->{path} = $path;	1275	$map->{path} = $path;
1134	$map->last_access ($cf::RUNTIME);	1276	$map->{last_save} = $cf::RUNTIME;
1135		1277
		1278	Coro::cede;
		1279
1136	$map->reset if $map->should_reset;	1280	if ($map->should_reset) {
		1281	$map->reset;
		1282	undef $guard;
		1283	$map = find $path
		1284	or return;
		1285	}
1137		1286
1138	$cf::MAP{$key} = $map	1287	$cf::MAP{$key} = $map
1139	}	1288	}
1140	}	1289	}
1141		1290
1142	sub load {	1291	sub load {
1143	my ($self) = @_;	1292	my ($self) = @_;
1144		1293
		1294	my $path = $self->{path};
		1295	my $guard = cf::lock_acquire "map_load:" . $path->as_string;
		1296
1145	return if $self->in_memory != cf::MAP_SWAPPED;	1297	return if $self->in_memory != cf::MAP_SWAPPED;
1146		1298
1147	$self->in_memory (cf::MAP_LOADING);	1299	$self->in_memory (cf::MAP_LOADING);
1148
1149	my $path = $self->{path};
1150		1300
1151	$self->alloc;	1301	$self->alloc;
1152	$self->load_objects ($self->{load_path}, 1)	1302	$self->load_objects ($self->{load_path}, 1)
1153	or return;	1303	or return;
		1304
		1305	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1306	if delete $self->{load_original};
1154		1307
1155	if (my $uniq = $path->uniq_path) {	1308	if (my $uniq = $path->uniq_path) {
1156	utf8::encode $uniq;	1309	utf8::encode $uniq;
1157	if (aio_open $uniq, O_RDONLY, 0) {	1310	if (aio_open $uniq, O_RDONLY, 0) {
1158	$self->clear_unique_items;	1311	$self->clear_unique_items;
1159	$self->load_objects ($uniq, 0);	1312	$self->load_objects ($uniq, 0);
1160	}	1313	}
1161	}	1314	}
		1315
		1316	Coro::cede;
1162		1317
1163	# now do the right thing for maps	1318	# now do the right thing for maps
1164	$self->link_multipart_objects;	1319	$self->link_multipart_objects;
1165		1320
1166	if ($self->{path}->is_style_map) {	1321	if ($self->{path}->is_style_map) {
…		…
1174	$self->difficulty ($self->estimate_difficulty)	1329	$self->difficulty ($self->estimate_difficulty)
1175	unless $self->difficulty;	1330	unless $self->difficulty;
1176	$self->activate;	1331	$self->activate;
1177	}	1332	}
1178		1333
		1334	Coro::cede;
		1335
1179	$self->in_memory (cf::MAP_IN_MEMORY);	1336	$self->in_memory (cf::MAP_IN_MEMORY);
1180	}	1337	}
1181		1338
1182	sub load_map_sync {	1339	sub find_sync {
1183	my ($path, $origin) = @_;	1340	my ($path, $origin) = @_;
1184		1341
1185	#warn "load_map_sync<$path, $origin>\n";#d#	1342	cf::sync_job { cf::map::find $path, $origin }
		1343	}
1186		1344
1187	cf::sync_job {	1345	sub do_load_sync {
1188	my $map = cf::map::find_map $path, $origin	1346	my ($map) = @_;
1189	or return;	1347
1190	$map->load;	1348	cf::sync_job { $map->load };
1191	$map
1192	}
1193	}	1349	}
1194		1350
1195	sub save {	1351	sub save {
1196	my ($self) = @_;	1352	my ($self) = @_;
1197		1353
		1354	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1355
		1356	$self->{last_save} = $cf::RUNTIME;
		1357
		1358	return unless $self->dirty;
		1359
1198	my $save = $self->{path}->save_path; utf8::encode $save;	1360	my $save = $self->{path}->save_path; utf8::encode $save;
1199	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1361	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1200		1362
1201	$self->{last_save} = $cf::RUNTIME;
1202
1203	return unless $self->dirty;
1204
1205	$self->{load_path} = $save;	1363	$self->{load_path} = $save;
1206		1364
1207	return if $self->{deny_save};	1365	return if $self->{deny_save};
1208		1366
1209	warn "saving map ", $self->path;	1367	local $self->{last_access} = $self->last_access;#d#
		1368
		1369	cf::async {
		1370	$_->contr->save for $self->players;
		1371	};
1210		1372
1211	if ($uniq) {	1373	if ($uniq) {
1212	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);	1374	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);
1213	$self->save_objects ($uniq, cf::IO_UNIQUES);	1375	$self->save_objects ($uniq, cf::IO_UNIQUES);
1214	} else {	1376	} else {
…		…
1217	}	1379	}
1218		1380
1219	sub swap_out {	1381	sub swap_out {
1220	my ($self) = @_;	1382	my ($self) = @_;
1221		1383
		1384	# save first because save cedes
		1385	$self->save;
		1386
		1387	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1388
1222	return if $self->players;	1389	return if $self->players;
1223	return if $self->in_memory != cf::MAP_IN_MEMORY;	1390	return if $self->in_memory != cf::MAP_IN_MEMORY;
1224	return if $self->{deny_save};	1391	return if $self->{deny_save};
1225		1392
1226	$self->save;
1227	$self->clear;	1393	$self->clear;
1228	$self->in_memory (cf::MAP_SWAPPED);	1394	$self->in_memory (cf::MAP_SWAPPED);
1229	}	1395	}
1230		1396
		1397	sub reset_at {
		1398	my ($self) = @_;
		1399
		1400	# TODO: safety, remove and allow resettable per-player maps
		1401	return 1e99 if $self->{path}{user_rel};
		1402	return 1e99 if $self->{deny_reset};
		1403
		1404	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1405	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;
		1406
		1407	$time + $to
		1408	}
		1409
1231	sub should_reset {	1410	sub should_reset {
1232	my ($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) = @_;	1411	my ($self) = @_;
1246		1412
1247	return if $self->players;	1413	$self->reset_at <= $cf::RUNTIME
1248	return if $self->{path}{user_rel};#d#	1414	}
1249		1415
1250	warn "resetting map ", $self->path;#d#	1416	sub unlink_save {
		1417	my ($self) = @_;
1251		1418
1252	utf8::encode (my $save = $self->{path}->save_path);	1419	utf8::encode (my $save = $self->{path}->save_path);
1253	aioreq_pri 3; IO::AIO::aio_unlink $save;	1420	aioreq_pri 3; IO::AIO::aio_unlink $save;
1254	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";	1421	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
		1422	}
		1423
		1424	sub rename {
		1425	my ($self, $new_path) = @_;
		1426
		1427	$self->unlink_save;
		1428
		1429	delete $cf::MAP{$self->path};
		1430	$self->{path} = new cf::path $new_path;
		1431	$self->path ($self->{path}->as_string);
		1432	$cf::MAP{$self->path} = $self;
		1433
		1434	$self->save;
		1435	}
		1436
		1437	sub reset {
		1438	my ($self) = @_;
		1439
		1440	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1441
		1442	return if $self->players;
		1443	return if $self->{path}{user_rel};#d#
		1444
		1445	warn "resetting map ", $self->path;#d#
		1446
		1447	delete $cf::MAP{$self->path};
1255		1448
1256	$_->clear_links_to ($self) for values %cf::MAP;	1449	$_->clear_links_to ($self) for values %cf::MAP;
1257		1450
		1451	$self->unlink_save;
1258	$self->clear;	1452	$self->destroy;
1259	$self->in_memory (cf::MAP_SWAPPED);	1453	}
1260	utf8::encode ($self->{load_path} = $self->{path}->load_path);	1454
		1455	my $nuke_counter = "aaaa";
		1456
		1457	sub nuke {
		1458	my ($self) = @_;
		1459
		1460	$self->{deny_save} = 1;
		1461	$self->reset_timeout (1);
		1462	$self->rename ("{nuke}/" . ($nuke_counter++));
		1463	$self->reset; # polite request, might not happen
1261	}	1464	}
1262		1465
1263	sub customise_for {	1466	sub customise_for {
1264	my ($map, $ob) = @_;	1467	my ($map, $ob) = @_;
1265		1468
1266	if ($map->per_player) {	1469	if ($map->per_player) {
1267	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1470	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1268	}	1471	}
1269		1472
1270	$map	1473	$map
1271	}	1474	}
1272		1475
1273	sub emergency_save {	1476	sub emergency_save {
1274	local $cf::FREEZE = 1;	1477	my $freeze_guard = cf::freeze_mainloop;
1275		1478
1276	warn "enter emergency map save\n";	1479	warn "enter emergency map save\n";
1277		1480
1278	cf::sync_job {	1481	cf::sync_job {
1279	warn "begin emergency map save\n";	1482	warn "begin emergency map save\n";
…		…
1330	(ref $cf::CFG{"may_$access"}	1533	(ref $cf::CFG{"may_$access"}
1331	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1534	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1332	: $cf::CFG{"may_$access"})	1535	: $cf::CFG{"may_$access"})
1333	}	1536	}
1334		1537
		1538	=item $player_object->enter_link
		1539
		1540	Freezes the player and moves him/her to a special map (C<{link}>).
		1541
		1542	The player should be reaosnably safe there for short amounts of time. You
		1543	I<MUST> call C<leave_link> as soon as possible, though.
		1544
		1545	=item $player_object->leave_link ($map, $x, $y)
		1546
		1547	Moves the player out of the specila link map onto the given map. If the
		1548	map is not valid (or omitted), the player will be moved back to the
		1549	location he/she was before the call to C<enter_link>, or, if that fails,
		1550	to the emergency map position.
		1551
		1552	Might block.
		1553
		1554	=cut
		1555
1335	sub cf::object::player::enter_link {	1556	sub cf::object::player::enter_link {
1336	my ($self) = @_;	1557	my ($self) = @_;
1337		1558
		1559	$self->deactivate_recursive;
		1560
1338	return if $self->map == $LINK_MAP;	1561	return if $self->map == $LINK_MAP;
1339		1562
1340	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1563	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]
1341	if $self->map;	1564	if $self->map;
1342		1565
1343	$self->enter_map ($LINK_MAP, 20, 20);	1566	$self->enter_map ($LINK_MAP, 20, 20);
1344	$self->deactivate_recursive;
1345	}	1567	}
1346		1568
1347	sub cf::object::player::leave_link {	1569	sub cf::object::player::leave_link {
1348	my ($self, $map, $x, $y) = @_;	1570	my ($self, $map, $x, $y) = @_;
1349		1571
1350	my $link_pos = delete $self->{_link_pos};	1572	my $link_pos = delete $self->{_link_pos};
1351		1573
1352	unless ($map) {	1574	unless ($map) {
1353	$self->message ("The exit is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
1354
1355	# restore original map position	1575	# restore original map position
1356	($map, $x, $y) = @{ $link_pos \|\| [] };	1576	($map, $x, $y) = @{ $link_pos \|\| [] };
1357	$map = cf::map::find_map $map;	1577	$map = cf::map::find $map;
1358		1578
1359	unless ($map) {	1579	unless ($map) {
1360	($map, $x, $y) = @$EMERGENCY_POSITION;	1580	($map, $x, $y) = @$EMERGENCY_POSITION;
1361	$map = cf::map::find_map $map	1581	$map = cf::map::find $map
1362	or die "FATAL: cannot load emergency map\n";	1582	or die "FATAL: cannot load emergency map\n";
1363	}	1583	}
1364	}	1584	}
1365		1585
1366	($x, $y) = (-1, -1)	1586	($x, $y) = (-1, -1)
…		…
1370	($x, $y) = ($map->enter_x, $map->enter_y)	1590	($x, $y) = ($map->enter_x, $map->enter_y)
1371	if $x <=0 && $y <= 0;	1591	if $x <=0 && $y <= 0;
1372		1592
1373	$map->load;	1593	$map->load;
1374		1594
		1595	return unless $self->contr->active;
1375	$self->activate_recursive;	1596	$self->activate_recursive;
1376	$self->enter_map ($map, $x, $y);	1597	$self->enter_map ($map, $x, $y);
1377	}	1598	}
1378		1599
		1600	cf::player->attach (
		1601	on_logout => sub {
		1602	my ($pl) = @_;
		1603
		1604	# abort map switching before logout
		1605	if ($pl->ob->{_link_pos}) {
		1606	cf::sync_job {
		1607	$pl->ob->leave_link
		1608	};
		1609	}
		1610	},
		1611	on_login => sub {
		1612	my ($pl) = @_;
		1613
		1614	# try to abort aborted map switching on player login :)
		1615	# should happen only on crashes
		1616	if ($pl->ob->{_link_pos}) {
		1617	$pl->ob->enter_link;
		1618	(async {
		1619	# we need this sleep as the login has a concurrent enter_exit running
		1620	# and this sleep increases chances of the player not ending up in scorn
		1621	$pl->ob->reply (undef,
		1622	"There was an internal problem at your last logout, "
		1623	. "the server will try to bring you to your intended destination in a second.",
		1624	cf::NDI_RED);
		1625	Coro::Timer::sleep 1;
		1626	$pl->ob->leave_link;
		1627	})->prio (2);
		1628	}
		1629	},
		1630	);
		1631
1379	=item $player_object->goto_map ($map, $x, $y)	1632	=item $player_object->goto ($path, $x, $y)
1380		1633
1381	=cut	1634	=cut
1382		1635
1383	sub cf::object::player::goto_map {	1636	sub cf::object::player::goto {
1384	my ($self, $path, $x, $y) = @_;	1637	my ($self, $path, $x, $y) = @_;
1385		1638
1386	$self->enter_link;	1639	$self->enter_link;
1387		1640
1388	(Coro::async {	1641	(async {
1389	$path = new cf::path $path;	1642	$path = new cf::path $path;
1390		1643
1391	my $map = cf::map::find_map $path->as_string;	1644	my $map = cf::map::find $path->as_string;
1392	$map = $map->customise_for ($self) if $map;	1645	$map = $map->customise_for ($self) if $map;
1393		1646
1394	warn "entering ", $map->path, " at ($x, $y)\n"	1647	# warn "entering ", $map->path, " at ($x, $y)\n"
1395	if $map;	1648	# if $map;
		1649
		1650	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
1396		1651
1397	$self->leave_link ($map, $x, $y);	1652	$self->leave_link ($map, $x, $y);
1398	})->prio (1);	1653	})->prio (1);
1399	}	1654	}
1400		1655
…		…
1453		1708
1454	return unless $self->type == cf::PLAYER;	1709	return unless $self->type == cf::PLAYER;
1455		1710
1456	$self->enter_link;	1711	$self->enter_link;
1457		1712
1458	(Coro::async {	1713	(async {
		1714	$self->deactivate_recursive; # just to be sure
1459	unless (eval {	1715	unless (eval {
1460
1461	prepare_random_map $exit	1716	prepare_random_map $exit
1462	if $exit->slaying eq "/!";	1717	if $exit->slaying eq "/!";
1463		1718
1464	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1719	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1465	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1720	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1466		1721
1467	1;	1722	1;
1468	}) {	1723	}) {
1469	$self->message ("Something went wrong deep within the crossfire server. "	1724	$self->message ("Something went wrong deep within the crossfire server. "
1470	. "I'll try to bring you back to the map you were before. "	1725	. "I'll try to bring you back to the map you were before. "
…		…
1527	on_reply => sub {	1782	on_reply => sub {
1528	my ($ns, $msg) = @_;	1783	my ($ns, $msg) = @_;
1529		1784
1530	# this weird shuffling is so that direct followup queries	1785	# this weird shuffling is so that direct followup queries
1531	# get handled first	1786	# get handled first
1532	my $queue = delete $ns->{query_queue};	1787	my $queue = delete $ns->{query_queue}
		1788	or return; # be conservative, not sure how that can happen, but we saw a crash here
1533		1789
1534	(shift @$queue)->[1]->($msg);	1790	(shift @$queue)->[1]->($msg);
1535		1791
1536	push @{ $ns->{query_queue} }, @$queue;	1792	push @{ $ns->{query_queue} }, @$queue;
1537		1793
…		…
1543	}	1799	}
1544	}	1800	}
1545	},	1801	},
1546	);	1802	);
1547		1803
1548	=item $client->coro (\&cb)	1804	=item $client->async (\&cb)
1549		1805
1550	Create a new coroutine, running the specified callback. The coroutine will	1806	Create a new coroutine, running the specified callback. The coroutine will
1551	be automatically cancelled when the client gets destroyed (e.g. on logout,	1807	be automatically cancelled when the client gets destroyed (e.g. on logout,
1552	or loss of connection).	1808	or loss of connection).
1553		1809
1554	=cut	1810	=cut
1555		1811
1556	sub cf::client::coro {	1812	sub cf::client::async {
1557	my ($self, $cb) = @_;	1813	my ($self, $cb) = @_;
1558		1814
1559	my $coro; $coro = async {	1815	my $coro = &Coro::async ($cb);
1560	eval {
1561	$cb->();
1562	};
1563	warn $@ if $@;
1564	};
1565		1816
1566	$coro->on_destroy (sub {	1817	$coro->on_destroy (sub {
1567	delete $self->{_coro}{$coro+0};	1818	delete $self->{_coro}{$coro+0};
1568	});	1819	});
1569		1820
…		…
1741		1992
1742	{	1993	{
1743	my $path = cf::localdir . "/database.pst";	1994	my $path = cf::localdir . "/database.pst";
1744		1995
1745	sub db_load() {	1996	sub db_load() {
1746	warn "loading database $path\n";#d# remove later
1747	$DB = stat $path ? Storable::retrieve $path : { };	1997	$DB = stat $path ? Storable::retrieve $path : { };
1748	}	1998	}
1749		1999
1750	my $pid;	2000	my $pid;
1751		2001
1752	sub db_save() {	2002	sub db_save() {
1753	warn "saving database $path\n";#d# remove later
1754	waitpid $pid, 0 if $pid;	2003	waitpid $pid, 0 if $pid;
1755	if (0 == ($pid = fork)) {	2004	if (0 == ($pid = fork)) {
1756	$DB->{_meta}{version} = 1;	2005	$DB->{_meta}{version} = 1;
1757	Storable::nstore $DB, "$path~";	2006	Storable::nstore $DB, "$path~";
1758	rename "$path~", $path;	2007	rename "$path~", $path;
…		…
1806	open my $fh, "<:utf8", cf::confdir . "/config"	2055	open my $fh, "<:utf8", cf::confdir . "/config"
1807	or return;	2056	or return;
1808		2057
1809	local $/;	2058	local $/;
1810	*CFG = YAML::Syck::Load <$fh>;	2059	*CFG = YAML::Syck::Load <$fh>;
		2060
		2061	$EMERGENCY_POSITION = $CFG{emergency_position} \|\| ["/world/world_105_115", 5, 37];
		2062
		2063	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2064	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2065
		2066	if (exists $CFG{mlockall}) {
		2067	eval {
		2068	$CFG{mlockall} ? &mlockall : &munlockall
		2069	and die "WARNING: m(un)lockall failed: $!\n";
		2070	};
		2071	warn $@ if $@;
		2072	}
1811	}	2073	}
1812		2074
1813	sub main {	2075	sub main {
1814	# we must not ever block the main coroutine	2076	# we must not ever block the main coroutine
1815	local $Coro::idle = sub {	2077	local $Coro::idle = sub {
1816	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2078	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1817	(Coro::unblock_sub {
1818	Event::one_event;	2079	async { Event::one_event };
1819	})->();
1820	};	2080	};
1821		2081
1822	cfg_load;	2082	cfg_load;
1823	db_load;	2083	db_load;
1824	load_extensions;	2084	load_extensions;
…		…
1826	}	2086	}
1827		2087
1828	#############################################################################	2088	#############################################################################
1829	# initialisation	2089	# initialisation
1830		2090
1831	sub perl_reload() {	2091	sub reload() {
1832	# can/must only be called in main	2092	# can/must only be called in main
1833	if ($Coro::current != $Coro::main) {	2093	if ($Coro::current != $Coro::main) {
1834	warn "can only reload from main coroutine\n";	2094	warn "can only reload from main coroutine\n";
1835	return;	2095	return;
1836	}	2096	}
1837		2097
1838	warn "reloading...";	2098	warn "reloading...";
1839		2099
1840	local $FREEZE = 1;	2100	my $guard = freeze_mainloop;
1841	cf::emergency_save;	2101	cf::emergency_save;
1842		2102
1843	eval {	2103	eval {
1844	# if anything goes wrong in here, we should simply crash as we already saved	2104	# if anything goes wrong in here, we should simply crash as we already saved
1845		2105
…		…
1932	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";	2192	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1933	$LINK_MAP->in_memory (MAP_IN_MEMORY);	2193	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1934		2194
1935	# dirty hack because... archetypes are not yet loaded	2195	# dirty hack because... archetypes are not yet loaded
1936	Event->timer (	2196	Event->timer (
1937	after => 2,	2197	after => 10,
1938	cb => sub {	2198	cb => sub {
1939	$_[0]->w->cancel;	2199	$_[0]->w->cancel;
1940		2200
1941	# provide some exits "home"	2201	# provide some exits "home"
1942	my $exit = cf::object::new "exit";	2202	my $exit = cf::object::new "exit";
…		…
1963	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;	2223	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1964	}	2224	}
1965		2225
1966	register "<global>", __PACKAGE__;	2226	register "<global>", __PACKAGE__;
1967		2227
1968	register_command "perl-reload" => sub {	2228	register_command "reload" => sub {
1969	my ($who, $arg) = @_;	2229	my ($who, $arg) = @_;
1970		2230
1971	if ($who->flag (FLAG_WIZ)) {	2231	if ($who->flag (FLAG_WIZ)) {
1972	$who->message ("start of reload.");	2232	$who->message ("start of reload.");
1973	perl_reload;	2233	reload;
1974	$who->message ("end of reload.");	2234	$who->message ("end of reload.");
1975	}	2235	}
1976	};	2236	};
1977		2237
1978	unshift @INC, $LIBDIR;	2238	unshift @INC, $LIBDIR;
…		…
1981	reentrant => 0,	2241	reentrant => 0,
1982	prio => 0,	2242	prio => 0,
1983	at => $NEXT_TICK \|\| $TICK,	2243	at => $NEXT_TICK \|\| $TICK,
1984	data => WF_AUTOCANCEL,	2244	data => WF_AUTOCANCEL,
1985	cb => sub {	2245	cb => sub {
1986	unless ($FREEZE) {
1987	cf::server_tick; # one server iteration	2246	cf::server_tick; # one server iteration
1988	$RUNTIME += $TICK;	2247	$RUNTIME += $TICK;
1989	}
1990
1991	$NEXT_TICK += $TICK;	2248	$NEXT_TICK += $TICK;
1992		2249
1993	# if we are delayed by four ticks or more, skip them all	2250	# if we are delayed by four ticks or more, skip them all
1994	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2251	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1995		2252
…		…
2018	or warn "ERROR: unable to write runtime file: $!";	2275	or warn "ERROR: unable to write runtime file: $!";
2019	})->();	2276	})->();
2020	},	2277	},
2021	);	2278	);
2022		2279
		2280	END { cf::emergency_save }
		2281
2023	1	2282	1
2024		2283

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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 1.143 by root, Sun Jan 7 02:39:14 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 1.143 by root, Sun Jan 7 02:39:14 2007 UTC