[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 1.143 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) {
…		…
1122		1262
1123	$map or return;	1263	$map or return;
1124		1264
1125	$map->{load_original} = 1;	1265	$map->{load_original} = 1;
1126	$map->{instantiate_time} = $cf::RUNTIME;	1266	$map->{instantiate_time} = $cf::RUNTIME;
		1267	$map->last_access ($cf::RUNTIME);
1127	$map->instantiate;	1268	$map->instantiate;
1128		1269
1129	# per-player maps become, after loading, normal maps	1270	# per-player maps become, after loading, normal maps
1130	$map->per_player (0) if $path->{user_rel};	1271	$map->per_player (0) if $path->{user_rel};
1131	}	1272	}
1132		1273
1133	$map->path ($key);	1274	$map->path ($key);
1134	$map->{path} = $path;	1275	$map->{path} = $path;
1135	$map->last_access ($cf::RUNTIME);	1276	$map->{last_save} = $cf::RUNTIME;
1136		1277
		1278	Coro::cede;
		1279
1137	$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	}
1138		1286
1139	$cf::MAP{$key} = $map	1287	$cf::MAP{$key} = $map
1140	}	1288	}
1141	}	1289	}
1142		1290
1143	sub load {	1291	sub load {
1144	my ($self) = @_;	1292	my ($self) = @_;
1145		1293
		1294	my $path = $self->{path};
		1295	my $guard = cf::lock_acquire "map_load:" . $path->as_string;
		1296
1146	return if $self->in_memory != cf::MAP_SWAPPED;	1297	return if $self->in_memory != cf::MAP_SWAPPED;
1147		1298
1148	$self->in_memory (cf::MAP_LOADING);	1299	$self->in_memory (cf::MAP_LOADING);
1149
1150	my $path = $self->{path};
1151		1300
1152	$self->alloc;	1301	$self->alloc;
1153	$self->load_objects ($self->{load_path}, 1)	1302	$self->load_objects ($self->{load_path}, 1)
1154	or return;	1303	or return;
1155		1304
1156	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) if delete $self->{load_original};	1305	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1306	if delete $self->{load_original};
1157		1307
1158	if (my $uniq = $path->uniq_path) {	1308	if (my $uniq = $path->uniq_path) {
1159	utf8::encode $uniq;	1309	utf8::encode $uniq;
1160	if (aio_open $uniq, O_RDONLY, 0) {	1310	if (aio_open $uniq, O_RDONLY, 0) {
1161	$self->clear_unique_items;	1311	$self->clear_unique_items;
1162	$self->load_objects ($uniq, 0);	1312	$self->load_objects ($uniq, 0);
1163	}	1313	}
1164	}	1314	}
		1315
		1316	Coro::cede;
1165		1317
1166	# now do the right thing for maps	1318	# now do the right thing for maps
1167	$self->link_multipart_objects;	1319	$self->link_multipart_objects;
1168		1320
1169	if ($self->{path}->is_style_map) {	1321	if ($self->{path}->is_style_map) {
…		…
1177	$self->difficulty ($self->estimate_difficulty)	1329	$self->difficulty ($self->estimate_difficulty)
1178	unless $self->difficulty;	1330	unless $self->difficulty;
1179	$self->activate;	1331	$self->activate;
1180	}	1332	}
1181		1333
		1334	Coro::cede;
		1335
1182	$self->in_memory (cf::MAP_IN_MEMORY);	1336	$self->in_memory (cf::MAP_IN_MEMORY);
1183	}	1337	}
1184		1338
1185	sub load_map_sync {	1339	sub find_sync {
1186	my ($path, $origin) = @_;	1340	my ($path, $origin) = @_;
1187		1341
1188	#warn "load_map_sync<$path, $origin>\n";#d#	1342	cf::sync_job { cf::map::find $path, $origin }
		1343	}
1189		1344
1190	cf::sync_job {	1345	sub do_load_sync {
1191	my $map = cf::map::find_map $path, $origin	1346	my ($map) = @_;
1192	or return;	1347
1193	$map->load;	1348	cf::sync_job { $map->load };
1194	$map
1195	}
1196	}	1349	}
1197		1350
1198	sub save {	1351	sub save {
1199	my ($self) = @_;	1352	my ($self) = @_;
1200		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
1201	my $save = $self->{path}->save_path; utf8::encode $save;	1360	my $save = $self->{path}->save_path; utf8::encode $save;
1202	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1361	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1203		1362
1204	$self->{last_save} = $cf::RUNTIME;
1205
1206	return unless $self->dirty;
1207
1208	$self->{load_path} = $save;	1363	$self->{load_path} = $save;
1209		1364
1210	return if $self->{deny_save};	1365	return if $self->{deny_save};
1211		1366
1212	warn "saving map ", $self->path;	1367	local $self->{last_access} = $self->last_access;#d#
		1368
		1369	cf::async {
		1370	$_->contr->save for $self->players;
		1371	};
1213		1372
1214	if ($uniq) {	1373	if ($uniq) {
1215	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);	1374	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);
1216	$self->save_objects ($uniq, cf::IO_UNIQUES);	1375	$self->save_objects ($uniq, cf::IO_UNIQUES);
1217	} else {	1376	} else {
…		…
1220	}	1379	}
1221		1380
1222	sub swap_out {	1381	sub swap_out {
1223	my ($self) = @_;	1382	my ($self) = @_;
1224		1383
		1384	# save first because save cedes
		1385	$self->save;
		1386
		1387	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1388
1225	return if $self->players;	1389	return if $self->players;
1226	return if $self->in_memory != cf::MAP_IN_MEMORY;	1390	return if $self->in_memory != cf::MAP_IN_MEMORY;
1227	return if $self->{deny_save};	1391	return if $self->{deny_save};
1228		1392
1229	$self->save;
1230	$self->clear;	1393	$self->clear;
1231	$self->in_memory (cf::MAP_SWAPPED);	1394	$self->in_memory (cf::MAP_SWAPPED);
1232	}	1395	}
1233		1396
		1397	sub reset_at {
		1398	my ($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 + $to
		1408	}
		1409
1234	sub should_reset {	1410	sub should_reset {
1235	my ($map) = @_;	1411	my ($self) = @_;
1236		1412
1237	# TODO: safety, remove and allow resettable per-player maps	1413	$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 < $cf::RUNTIME
1247	}	1414	}
1248		1415
1249	sub unlink_save {	1416	sub unlink_save {
1250	my ($self) = @_;	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 "$save.pst";
1255	}	1422	}
1256		1423
		1424	sub rename {
		1425	my ($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	$self->save;
		1435	}
		1436
1257	sub reset {	1437	sub reset {
1258	my ($self) = @_;	1438	my ($self) = @_;
1259		1439
		1440	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1441
1260	return if $self->players;	1442	return if $self->players;
1261	return if $self->{path}{user_rel};#d#	1443	return if $self->{path}{user_rel};#d#
1262		1444
1263	warn "resetting map ", $self->path;#d#	1445	warn "resetting map ", $self->path;#d#
1264		1446
…		…
1268		1450
1269	$self->unlink_save;	1451	$self->unlink_save;
1270	$self->destroy;	1452	$self->destroy;
1271	}	1453	}
1272		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	$self->reset; # polite request, might not happen
		1464	}
		1465
1273	sub customise_for {	1466	sub customise_for {
1274	my ($map, $ob) = @_;	1467	my ($map, $ob) = @_;
1275		1468
1276	if ($map->per_player) {	1469	if ($map->per_player) {
1277	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1470	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1278	}	1471	}
1279		1472
1280	$map	1473	$map
1281	}	1474	}
1282		1475
1283	sub emergency_save {	1476	sub emergency_save {
1284	local $cf::FREEZE = 1;	1477	my $freeze_guard = cf::freeze_mainloop;
1285		1478
1286	warn "enter emergency map save\n";	1479	warn "enter emergency map save\n";
1287		1480
1288	cf::sync_job {	1481	cf::sync_job {
1289	warn "begin emergency map save\n";	1482	warn "begin emergency map save\n";
…		…
1340	(ref $cf::CFG{"may_$access"}	1533	(ref $cf::CFG{"may_$access"}
1341	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1534	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1342	: $cf::CFG{"may_$access"})	1535	: $cf::CFG{"may_$access"})
1343	}	1536	}
1344		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, $y)
		1546
		1547	Moves the player out of the specila link map onto the given map. If the
		1548	map is not valid (or omitted), the player will be moved back to the
		1549	location he/she was before the call to C<enter_link>, or, if that fails,
		1550	to the emergency map position.
		1551
		1552	Might block.
		1553
		1554	=cut
		1555
1345	sub cf::object::player::enter_link {	1556	sub cf::object::player::enter_link {
1346	my ($self) = @_;	1557	my ($self) = @_;
1347		1558
		1559	$self->deactivate_recursive;
		1560
1348	return if $self->map == $LINK_MAP;	1561	return if $self->map == $LINK_MAP;
1349		1562
1350	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1563	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]
1351	if $self->map;	1564	if $self->map;
1352		1565
1353	$self->enter_map ($LINK_MAP, 20, 20);	1566	$self->enter_map ($LINK_MAP, 20, 20);
1354	$self->deactivate_recursive;
1355	}	1567	}
1356		1568
1357	sub cf::object::player::leave_link {	1569	sub cf::object::player::leave_link {
1358	my ($self, $map, $x, $y) = @_;	1570	my ($self, $map, $x, $y) = @_;
1359		1571
1360	my $link_pos = delete $self->{_link_pos};	1572	my $link_pos = delete $self->{_link_pos};
1361		1573
1362	unless ($map) {	1574	unless ($map) {
1363	$self->message ("The exit is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
1364
1365	# restore original map position	1575	# restore original map position
1366	($map, $x, $y) = @{ $link_pos \|\| [] };	1576	($map, $x, $y) = @{ $link_pos \|\| [] };
1367	$map = cf::map::find_map $map;	1577	$map = cf::map::find $map;
1368		1578
1369	unless ($map) {	1579	unless ($map) {
1370	($map, $x, $y) = @$EMERGENCY_POSITION;	1580	($map, $x, $y) = @$EMERGENCY_POSITION;
1371	$map = cf::map::find_map $map	1581	$map = cf::map::find $map
1372	or die "FATAL: cannot load emergency map\n";	1582	or die "FATAL: cannot load emergency map\n";
1373	}	1583	}
1374	}	1584	}
1375		1585
1376	($x, $y) = (-1, -1)	1586	($x, $y) = (-1, -1)
…		…
1380	($x, $y) = ($map->enter_x, $map->enter_y)	1590	($x, $y) = ($map->enter_x, $map->enter_y)
1381	if $x <=0 && $y <= 0;	1591	if $x <=0 && $y <= 0;
1382		1592
1383	$map->load;	1593	$map->load;
1384		1594
		1595	return unless $self->contr->active;
1385	$self->activate_recursive;	1596	$self->activate_recursive;
1386	$self->enter_map ($map, $x, $y);	1597	$self->enter_map ($map, $x, $y);
1387	}	1598	}
1388		1599
		1600	cf::player->attach (
		1601	on_logout => sub {
		1602	my ($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
1389	=item $player_object->goto_map ($map, $x, $y)	1632	=item $player_object->goto ($path, $x, $y)
1390		1633
1391	=cut	1634	=cut
1392		1635
1393	sub cf::object::player::goto_map {	1636	sub cf::object::player::goto {
1394	my ($self, $path, $x, $y) = @_;	1637	my ($self, $path, $x, $y) = @_;
1395		1638
1396	$self->enter_link;	1639	$self->enter_link;
1397		1640
1398	(Coro::async {	1641	(async {
1399	$path = new cf::path $path;	1642	$path = new cf::path $path;
1400		1643
1401	my $map = cf::map::find_map $path->as_string;	1644	my $map = cf::map::find $path->as_string;
1402	$map = $map->customise_for ($self) if $map;	1645	$map = $map->customise_for ($self) if $map;
1403		1646
1404	warn "entering ", $map->path, " at ($x, $y)\n"	1647	# warn "entering ", $map->path, " at ($x, $y)\n"
1405	if $map;	1648	# if $map;
		1649
		1650	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
1406		1651
1407	$self->leave_link ($map, $x, $y);	1652	$self->leave_link ($map, $x, $y);
1408	})->prio (1);	1653	})->prio (1);
1409	}	1654	}
1410		1655
…		…
1463		1708
1464	return unless $self->type == cf::PLAYER;	1709	return unless $self->type == cf::PLAYER;
1465		1710
1466	$self->enter_link;	1711	$self->enter_link;
1467		1712
1468	(Coro::async {	1713	(async {
		1714	$self->deactivate_recursive; # just to be sure
1469	unless (eval {	1715	unless (eval {
1470
1471	prepare_random_map $exit	1716	prepare_random_map $exit
1472	if $exit->slaying eq "/!";	1717	if $exit->slaying eq "/!";
1473		1718
1474	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;
1475	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1720	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1476		1721
1477	1;	1722	1;
1478	}) {	1723	}) {
1479	$self->message ("Something went wrong deep within the crossfire server. "	1724	$self->message ("Something went wrong deep within the crossfire server. "
1480	. "I'll try to bring you back to the map you were before. "	1725	. "I'll try to bring you back to the map you were before. "
…		…
1537	on_reply => sub {	1782	on_reply => sub {
1538	my ($ns, $msg) = @_;	1783	my ($ns, $msg) = @_;
1539		1784
1540	# this weird shuffling is so that direct followup queries	1785	# this weird shuffling is so that direct followup queries
1541	# get handled first	1786	# get handled first
1542	my $queue = delete $ns->{query_queue};	1787	my $queue = delete $ns->{query_queue}
		1788	or return; # be conservative, not sure how that can happen, but we saw a crash here
1543		1789
1544	(shift @$queue)->[1]->($msg);	1790	(shift @$queue)->[1]->($msg);
1545		1791
1546	push @{ $ns->{query_queue} }, @$queue;	1792	push @{ $ns->{query_queue} }, @$queue;
1547		1793
…		…
1553	}	1799	}
1554	}	1800	}
1555	},	1801	},
1556	);	1802	);
1557		1803
1558	=item $client->coro (\&cb)	1804	=item $client->async (\&cb)
1559		1805
1560	Create a new coroutine, running the specified callback. The coroutine will	1806	Create a new coroutine, running the specified callback. The coroutine will
1561	be automatically cancelled when the client gets destroyed (e.g. on logout,	1807	be automatically cancelled when the client gets destroyed (e.g. on logout,
1562	or loss of connection).	1808	or loss of connection).
1563		1809
1564	=cut	1810	=cut
1565		1811
1566	sub cf::client::coro {	1812	sub cf::client::async {
1567	my ($self, $cb) = @_;	1813	my ($self, $cb) = @_;
1568		1814
1569	my $coro; $coro = async {	1815	my $coro = &Coro::async ($cb);
1570	eval {
1571	$cb->();
1572	};
1573	warn $@ if $@;
1574	};
1575		1816
1576	$coro->on_destroy (sub {	1817	$coro->on_destroy (sub {
1577	delete $self->{_coro}{$coro+0};	1818	delete $self->{_coro}{$coro+0};
1578	});	1819	});
1579		1820
…		…
1751		1992
1752	{	1993	{
1753	my $path = cf::localdir . "/database.pst";	1994	my $path = cf::localdir . "/database.pst";
1754		1995
1755	sub db_load() {	1996	sub db_load() {
1756	warn "loading database $path\n";#d# remove later
1757	$DB = stat $path ? Storable::retrieve $path : { };	1997	$DB = stat $path ? Storable::retrieve $path : { };
1758	}	1998	}
1759		1999
1760	my $pid;	2000	my $pid;
1761		2001
1762	sub db_save() {	2002	sub db_save() {
1763	warn "saving database $path\n";#d# remove later
1764	waitpid $pid, 0 if $pid;	2003	waitpid $pid, 0 if $pid;
1765	if (0 == ($pid = fork)) {	2004	if (0 == ($pid = fork)) {
1766	$DB->{_meta}{version} = 1;	2005	$DB->{_meta}{version} = 1;
1767	Storable::nstore $DB, "$path~";	2006	Storable::nstore $DB, "$path~";
1768	rename "$path~", $path;	2007	rename "$path~", $path;
…		…
1816	open my $fh, "<:utf8", cf::confdir . "/config"	2055	open my $fh, "<:utf8", cf::confdir . "/config"
1817	or return;	2056	or return;
1818		2057
1819	local $/;	2058	local $/;
1820	*CFG = YAML::Syck::Load <$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	}
1821	}	2073	}
1822		2074
1823	sub main {	2075	sub main {
1824	# we must not ever block the main coroutine	2076	# we must not ever block the main coroutine
1825	local $Coro::idle = sub {	2077	local $Coro::idle = sub {
1826	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#
1827	(Coro::unblock_sub {
1828	Event::one_event;	2079	async { Event::one_event };
1829	})->();
1830	};	2080	};
1831		2081
1832	cfg_load;	2082	cfg_load;
1833	db_load;	2083	db_load;
1834	load_extensions;	2084	load_extensions;
…		…
1845	return;	2095	return;
1846	}	2096	}
1847		2097
1848	warn "reloading...";	2098	warn "reloading...";
1849		2099
1850	local $FREEZE = 1;	2100	my $guard = freeze_mainloop;
1851	cf::emergency_save;	2101	cf::emergency_save;
1852		2102
1853	eval {	2103	eval {
1854	# 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
1855		2105
…		…
1942	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";	2192	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1943	$LINK_MAP->in_memory (MAP_IN_MEMORY);	2193	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1944		2194
1945	# dirty hack because... archetypes are not yet loaded	2195	# dirty hack because... archetypes are not yet loaded
1946	Event->timer (	2196	Event->timer (
1947	after => 2,	2197	after => 10,
1948	cb => sub {	2198	cb => sub {
1949	$_[0]->w->cancel;	2199	$_[0]->w->cancel;
1950		2200
1951	# provide some exits "home"	2201	# provide some exits "home"
1952	my $exit = cf::object::new "exit";	2202	my $exit = cf::object::new "exit";
…		…
1991	reentrant => 0,	2241	reentrant => 0,
1992	prio => 0,	2242	prio => 0,
1993	at => $NEXT_TICK \|\| $TICK,	2243	at => $NEXT_TICK \|\| $TICK,
1994	data => WF_AUTOCANCEL,	2244	data => WF_AUTOCANCEL,
1995	cb => sub {	2245	cb => sub {
1996	unless ($FREEZE) {
1997	cf::server_tick; # one server iteration	2246	cf::server_tick; # one server iteration
1998	$RUNTIME += $TICK;	2247	$RUNTIME += $TICK;
1999	}
2000
2001	$NEXT_TICK += $TICK;	2248	$NEXT_TICK += $TICK;
2002		2249
2003	# 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
2004	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2251	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2005		2252
…		…
2028	or warn "ERROR: unable to write runtime file: $!";	2275	or warn "ERROR: unable to write runtime file: $!";
2029	})->();	2276	})->();
2030	},	2277	},
2031	);	2278	);
2032		2279
		2280	END { cf::emergency_save }
		2281
2033	1	2282	1
2034		2283

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

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.111 by root, Mon Jan 1 12:28:47 2007 UTC vs.
Revision 1.143 by root, Sun Jan 7 02:39:14 2007 UTC