[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 1.151 by root, Mon Jan 8 20:59:15 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3;	13	use Coro 3.3 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
20	use Digest::MD5;	20	use Digest::MD5;
21	use Fcntl;	21	use Fcntl;
22	use IO::AIO 2.31 ();	22	use IO::AIO 2.32 ();
23	use YAML::Syck ();	23	use YAML::Syck ();
24	use Time::HiRes;	24	use Time::HiRes;
25		25
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	26	use Event; $Event::Eval = 1; # no idea why this is required, but it is
27		27
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	29	$YAML::Syck::ImplicitUnicode = 1;
30		30
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		34
35	our %COMMAND = ();	35	our %COMMAND = ();
36	our %COMMAND_TIME = ();	36	our %COMMAND_TIME = ();
…		…
47	our %CFG;	47	our %CFG;
48		48
49	our $UPTIME; $UPTIME \|\|= time;	49	our $UPTIME; $UPTIME \|\|= time;
50	our $RUNTIME;	50	our $RUNTIME;
51		51
		52	our %PLAYER; # all users
52	our %MAP; # all maps	53	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	54	our $LINK_MAP; # the special {link} map
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	55	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	56	our %EXT_CORO; # coroutines bound to extensions
57		57
58	binmode STDOUT;	58	binmode STDOUT;
59	binmode STDERR;	59	binmode STDERR;
60		60
61	# read virtual server time, if available	61	# read virtual server time, if available
…		…
71	mkdir cf::localdir . "/" . cf::uniquedir;	71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	72	mkdir $RANDOM_MAPS;
73		73
74	# a special map that is always available	74	# a special map that is always available
75	our $LINK_MAP;	75	our $LINK_MAP;
76		76	our $EMERGENCY_POSITION;
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} \|\| ["/world/world_105_115", 5, 37];
78		77
79	#############################################################################	78	#############################################################################
80		79
81	=head2 GLOBAL VARIABLES	80	=head2 GLOBAL VARIABLES
82		81
…		…
119	utf8::encode $msg;	118	utf8::encode $msg;
120		119
121	$msg .= "\n"	120	$msg .= "\n"
122	unless $msg =~ /\n$/;	121	unless $msg =~ /\n$/;
123		122
124	LOG llevError, "cfperl: $msg";	123	LOG llevError, $msg;
125	};	124	};
126	}	125	}
127		126
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
181	sub to_json($) {	180	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	182	JSON::Syck::Dump $_[0]
184	}	183	}
185		184
		185	=item cf::lock_wait $string
		186
		187	Wait until the given lock is available. See cf::lock_acquire.
		188
		189	=item my $lock = cf::lock_acquire $string
		190
		191	Wait until the given lock is available and then acquires it and returns
		192	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		193	for example when the coroutine gets canceled), the lock is automatically
		194	returned.
		195
		196	Lock names should begin with a unique identifier (for example, cf::map::find
		197	uses map_find and cf::map::load uses map_load).
		198
		199	=cut
		200
		201	our %LOCK;
		202
		203	sub lock_wait($) {
		204	my ($key) = @_;
		205
		206	# wait for lock, if any
		207	while ($LOCK{$key}) {
		208	push @{ $LOCK{$key} }, $Coro::current;
		209	Coro::schedule;
		210	}
		211	}
		212
		213	sub lock_acquire($) {
		214	my ($key) = @_;
		215
		216	# wait, to be sure we are not locked
		217	lock_wait $key;
		218
		219	$LOCK{$key} = [];
		220
		221	Coro::guard {
		222	# wake up all waiters, to be on the safe side
		223	$_->ready for @{ delete $LOCK{$key} };
		224	}
		225	}
		226
		227	sub freeze_mainloop {
		228	return unless $TICK_WATCHER->is_active;
		229
		230	my $guard = Coro::guard { $TICK_WATCHER->start };
		231	$TICK_WATCHER->stop;
		232	$guard
		233	}
		234
		235	=item cf::async { BLOCK }
		236
		237	Currently the same as Coro::async_pool, meaning you cannot use
		238	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		239	thing you are allowed to do is call C<prio> on it.
		240
		241	=cut
		242
		243	BEGIN { *async = \&Coro::async_pool }
		244
186	=item cf::sync_job { BLOCK }	245	=item cf::sync_job { BLOCK }
187		246
188	The design of crossfire+ requires that the main coro ($Coro::main) is	247	The design of crossfire+ requires that the main coro ($Coro::main) is
189	always able to handle events or runnable, as crossfire+ is only partly	248	always able to handle events or runnable, as crossfire+ is only partly
190	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	249	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.
…		…
197	=cut	256	=cut
198		257
199	sub sync_job(&) {	258	sub sync_job(&) {
200	my ($job) = @_;	259	my ($job) = @_;
201		260
202	my $busy = 1;
203	my @res;
204
205	my $coro = Coro::async {
206	@res = eval { $job->() };
207	warn $@ if $@;
208	undef $busy;
209	};
210
211	if ($Coro::current == $Coro::main) {	261	if ($Coro::current == $Coro::main) {
		262	# this is the main coro, too bad, we have to block
		263	# till the operation succeeds, freezing the server :/
		264
212	# TODO: use suspend/resume instead	265	# TODO: use suspend/resume instead
213	local $FREEZE = 1;	266	# (but this is cancel-safe)
		267	my $freeze_guard = freeze_mainloop;
		268
		269	my $busy = 1;
		270	my @res;
		271
		272	(async {
		273	@res = eval { $job->() };
		274	warn $@ if $@;
		275	undef $busy;
214	$coro->prio (Coro::PRIO_MAX);	276	})->prio (Coro::PRIO_MAX);
		277
215	while ($busy) {	278	while ($busy) {
216	Coro::cede_notself;	279	Coro::cede or Event::one_event;
217	Event::one_event unless Coro::nready;
218	}	280	}
		281
		282	wantarray ? @res : $res[0]
219	} else {	283	} else {
220	$coro->join;	284	# we are in another coroutine, how wonderful, everything just works
		285
		286	$job->()
221	}	287	}
222
223	wantarray ? @res : $res[0]
224	}	288	}
225		289
226	=item $coro = cf::coro { BLOCK }	290	=item $coro = cf::async_ext { BLOCK }
227		291
228	Creates and returns a new coro. This coro is automcatially being canceled	292	Like async, but this coro is automcatially being canceled when the
229	when the extension calling this is being unloaded.	293	extension calling this is being unloaded.
230		294
231	=cut	295	=cut
232		296
233	sub coro(&) {	297	sub async_ext(&) {
234	my $cb = shift;	298	my $cb = shift;
235		299
236	my $coro; $coro = async {	300	my $coro = &Coro::async ($cb);
237	eval {
238	$cb->();
239	};
240	warn $@ if $@;
241	};
242		301
243	$coro->on_destroy (sub {	302	$coro->on_destroy (sub {
244	delete $EXT_CORO{$coro+0};	303	delete $EXT_CORO{$coro+0};
245	});	304	});
246	$EXT_CORO{$coro+0} = $coro;	305	$EXT_CORO{$coro+0} = $coro;
…		…
252	my $runtime = cf::localdir . "/runtime";	311	my $runtime = cf::localdir . "/runtime";
253		312
254	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644	313	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644
255	or return;	314	or return;
256		315
257	my $value = $cf::RUNTIME;	316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock
258	(aio_write $fh, 0, (length $value), $value, 0) <= 0	317	(aio_write $fh, 0, (length $value), $value, 0) <= 0
259	and return;	318	and return;
260		319
261	aio_fsync $fh	320	aio_fsync $fh
262	and return;	321	and return;
…		…
283		342
284	$path = $path->as_string if ref $path;	343	$path = $path->as_string if ref $path;
285		344
286	my $self = bless { }, $class;	345	my $self = bless { }, $class;
287		346
		347	# {... are special paths that are not touched
		348	# ?xxx/... are special absolute paths
		349	# ?random/... random maps
		350	# /! non-realised random map exit
		351	# /... normal maps
		352	# ~/... per-player maps without a specific player (DO NOT USE)
		353	# ~user/... per-player map of a specific user
		354
		355	if ($path =~ /^{/) {
		356	# fine as it is
288	if ($path =~ s{^\?random/}{}) {	357	} elsif ($path =~ s{^\?random/}{}) {
289	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;	358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
290	$self->{random} = cf::from_json $data;	359	$self->{random} = cf::from_json $data;
291	} else {	360	} else {
292	if ($path =~ s{^~([^/]+)?}{}) {	361	if ($path =~ s{^~([^/]+)?}{}) {
293	$self->{user_rel} = 1;	362	$self->{user_rel} = 1;
…		…
798	or return;	867	or return;
799		868
800	unless (aio_stat "$filename.pst") {	869	unless (aio_stat "$filename.pst") {
801	(aio_load "$filename.pst", $av) >= 0	870	(aio_load "$filename.pst", $av) >= 0
802	or return;	871	or return;
803	$av = eval { (Storable::thaw <$av>)->{objs} };	872	$av = eval { (Storable::thaw $av)->{objs} };
804	}	873	}
805		874
		875	warn sprintf "loading %s (%d)\n",
		876	$filename, length $data, scalar @{$av \|\| []};#d#
806	return ($data, $av);	877	return ($data, $av);
807	}	878	}
808		879
809	#############################################################################	880	#############################################################################
810	# command handling &c	881	# command handling &c
…		…
1001		1072
1002	=head2 CORE EXTENSIONS	1073	=head2 CORE EXTENSIONS
1003		1074
1004	Functions and methods that extend core crossfire objects.	1075	Functions and methods that extend core crossfire objects.
1005		1076
		1077	=cut
		1078
		1079	package cf::player;
		1080
1006	=head3 cf::player	1081	=head3 cf::player
1007		1082
1008	=over 4	1083	=over 4
1009		1084
1010	=item cf::player::exists $login	1085	=item cf::player::find $login
1011		1086
1012	Returns true when the given account exists.	1087	Returns the given player object, loading it if necessary (might block).
1013		1088
1014	=cut	1089	=cut
1015		1090
1016	sub cf::player::exists($) {	1091	sub playerdir($) {
1017	cf::player::find $_[0]	1092	cf::localdir
1018	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	1093	. "/"
		1094	. cf::playerdir
		1095	. "/"
		1096	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1097	}
		1098
		1099	sub path($) {
		1100	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1101
		1102	(playerdir $login) . "/$login.pl"
		1103	}
		1104
		1105	sub find_active($) {
		1106	$cf::PLAYER{$_[0]}
		1107	and $cf::PLAYER{$_[0]}->active
		1108	and $cf::PLAYER{$_[0]}
		1109	}
		1110
		1111	sub exists($) {
		1112	my ($login) = @_;
		1113
		1114	$cf::PLAYER{$login}
		1115	or cf::sync_job { !aio_stat $login }
		1116	}
		1117
		1118	sub find($) {
		1119	return $cf::PLAYER{$_[0]} \|\| do {
		1120	my $login = $_[0];
		1121
		1122	my $guard = cf::lock_acquire "user_find:$login";
		1123
		1124	$cf::PLAYER{$_[0]} \|\| do {
		1125	my $pl = load_pl path $login
		1126	or return;
		1127	$cf::PLAYER{$login} = $pl
		1128	}
		1129	}
		1130	}
		1131
		1132	sub save($) {
		1133	my ($pl) = @_;
		1134
		1135	return if $pl->{deny_save};
		1136
		1137	my $path = path $pl;
		1138	my $guard = cf::lock_acquire "user_save:$path";
		1139
		1140	return if $pl->{deny_save};
		1141
		1142	Coro::AIO::aio_mkdir playerdir $pl, 0770;
		1143	$pl->{last_save} = $cf::RUNTIME;
		1144
		1145	$pl->save_pl ($path);
		1146	Coro::cede;
		1147	}
		1148
		1149	sub new($) {
		1150	my ($login) = @_;
		1151
		1152	my $self = create;
		1153
		1154	$self->ob->name ($login);
		1155	$self->{deny_save} = 1;
		1156
		1157	$cf::PLAYER{$login} = $self;
		1158
		1159	$self
		1160	}
		1161
		1162	sub quit_character {
		1163	my ($pl) = @_;
		1164
		1165	$pl->{deny_save} = 1;
		1166	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1167
		1168	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1169	$pl->deactivate;
		1170	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1171	$pl->ns->destroy if $pl->ns;
		1172
		1173	my $path = playerdir $pl;
		1174	my $temp = "$path~$cf::RUNTIME~deleting~";
		1175	Coro::AIO::aio_rename $path, $temp;
		1176	delete $cf::PLAYER{$pl->ob->name};
		1177	$pl->destroy;
		1178	IO::AIO::aio_rmtree $temp;
1019	}	1179	}
1020		1180
1021	=item $player->ext_reply ($msgid, $msgtype, %msg)	1181	=item $player->ext_reply ($msgid, $msgtype, %msg)
1022		1182
1023	Sends an ext reply to the player.	1183	Sends an ext reply to the player.
1024		1184
1025	=cut	1185	=cut
1026		1186
1027	sub cf::player::ext_reply($$$%) {	1187	sub ext_reply($$$%) {
1028	my ($self, $id, %msg) = @_;	1188	my ($self, $id, %msg) = @_;
1029		1189
1030	$msg{msgid} = $id;	1190	$msg{msgid} = $id;
1031		1191
1032	$self->send ("ext " . to_json \%msg);	1192	$self->send ("ext " . cf::to_json \%msg);
1033	}	1193	}
		1194
		1195	package cf;
1034		1196
1035	=back	1197	=back
1036		1198
1037		1199
1038	=head3 cf::map	1200	=head3 cf::map
…		…
1044	package cf::map;	1206	package cf::map;
1045		1207
1046	use Fcntl;	1208	use Fcntl;
1047	use Coro::AIO;	1209	use Coro::AIO;
1048		1210
1049	our $MAX_RESET = 7200;	1211	our $MAX_RESET = 3600;
1050	our $DEFAULT_RESET = 3600;	1212	our $DEFAULT_RESET = 3000;
1051	$MAX_RESET = 10;#d#
1052	$DEFAULT_RESET = 10;#d#
1053		1213
1054	sub generate_random_map {	1214	sub generate_random_map {
1055	my ($path, $rmp) = @_;	1215	my ($path, $rmp) = @_;
1056		1216
1057	# mit "rum" bekleckern, nicht	1217	# mit "rum" bekleckern, nicht
…		…
1073	# and all this just because we cannot iterate over	1233	# and all this just because we cannot iterate over
1074	# all maps in C++...	1234	# all maps in C++...
1075	sub change_all_map_light {	1235	sub change_all_map_light {
1076	my ($change) = @_;	1236	my ($change) = @_;
1077		1237
1078	$_->change_map_light ($change) for values %cf::MAP;	1238	$_->change_map_light ($change)
		1239	for grep $_->outdoor, values %cf::MAP;
1079	}	1240	}
1080		1241
1081	sub try_load_header($) {	1242	sub try_load_header($) {
1082	my ($path) = @_;	1243	my ($path) = @_;
1083		1244
…		…
1086	or return;	1247	or return;
1087		1248
1088	my $map = cf::map::new	1249	my $map = cf::map::new
1089	or return;	1250	or return;
1090		1251
		1252	# for better error messages only, will be overwritten
		1253	$map->path ($path);
		1254
1091	$map->load_header ($path)	1255	$map->load_header ($path)
1092	or return;	1256	or return;
1093		1257
1094	$map->{load_path} = $path;	1258	$map->{load_path} = $path;
1095	use Data::Dumper; warn Dumper $map;#d#
1096		1259
1097	$map	1260	$map
1098	}	1261	}
1099		1262
		1263	sub find;
1100	sub find_map {	1264	sub find {
1101	my ($path, $origin) = @_;	1265	my ($path, $origin) = @_;
1102		1266
1103	#warn "find_map<$path,$origin>\n";#d#	1267	#warn "find<$path,$origin>\n";#d#
1104		1268
1105	$path = ref $path ? $path : new cf::path $path, $origin && $origin->path;	1269	$path = new cf::path $path, $origin && $origin->path;
1106	my $key = $path->as_string;	1270	my $key = $path->as_string;
1107		1271
		1272	cf::lock_wait "map_find:$key";
		1273
1108	$cf::MAP{$key} \|\| do {	1274	$cf::MAP{$key} \|\| do {
		1275	my $guard = cf::lock_acquire "map_find:$key";
		1276
1109	# do it the slow way	1277	# do it the slow way
1110	my $map = try_load_header $path->save_path;	1278	my $map = try_load_header $path->save_path;
1111		1279
		1280	Coro::cede;
		1281
1112	if ($map) {	1282	if ($map) {
		1283	$map->last_access ((delete $map->{last_access})
		1284	\|\| $cf::RUNTIME); #d#
1113	# safety	1285	# safety
1114	$map->{instantiate_time} = $cf::RUNTIME	1286	$map->{instantiate_time} = $cf::RUNTIME
1115	if $map->{instantiate_time} > $cf::RUNTIME;	1287	if $map->{instantiate_time} > $cf::RUNTIME;
1116	} else {	1288	} else {
1117	if (my $rmp = $path->random_map_params) {	1289	if (my $rmp = $path->random_map_params) {
…		…
1120	$map = try_load_header $path->load_path;	1292	$map = try_load_header $path->load_path;
1121	}	1293	}
1122		1294
1123	$map or return;	1295	$map or return;
1124		1296
		1297	$map->{load_original} = 1;
1125	$map->{instantiate_time} = $cf::RUNTIME;	1298	$map->{instantiate_time} = $cf::RUNTIME;
		1299	$map->last_access ($cf::RUNTIME);
1126	$map->instantiate;	1300	$map->instantiate;
1127		1301
1128	# per-player maps become, after loading, normal maps	1302	# per-player maps become, after loading, normal maps
1129	$map->per_player (0) if $path->{user_rel};	1303	$map->per_player (0) if $path->{user_rel};
1130	}	1304	}
1131		1305
1132	$map->path ($key);	1306	$map->path ($key);
1133	$map->{path} = $path;	1307	$map->{path} = $path;
1134	$map->last_access ($cf::RUNTIME);	1308	$map->{last_save} = $cf::RUNTIME;
1135		1309
		1310	Coro::cede;
		1311
1136	$map->reset if $map->should_reset;	1312	if ($map->should_reset) {
		1313	$map->reset;
		1314	undef $guard;
		1315	$map = find $path
		1316	or return;
		1317	}
1137		1318
1138	$cf::MAP{$key} = $map	1319	$cf::MAP{$key} = $map
1139	}	1320	}
1140	}	1321	}
1141		1322
1142	sub load {	1323	sub load {
1143	my ($self) = @_;	1324	my ($self) = @_;
1144		1325
		1326	my $path = $self->{path};
		1327	my $guard = cf::lock_acquire "map_load:" . $path->as_string;
		1328
1145	return if $self->in_memory != cf::MAP_SWAPPED;	1329	return if $self->in_memory != cf::MAP_SWAPPED;
1146		1330
1147	$self->in_memory (cf::MAP_LOADING);	1331	$self->in_memory (cf::MAP_LOADING);
1148
1149	my $path = $self->{path};
1150		1332
1151	$self->alloc;	1333	$self->alloc;
1152	$self->load_objects ($self->{load_path}, 1)	1334	$self->load_objects ($self->{load_path}, 1)
1153	or return;	1335	or return;
		1336
		1337	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1338	if delete $self->{load_original};
1154		1339
1155	if (my $uniq = $path->uniq_path) {	1340	if (my $uniq = $path->uniq_path) {
1156	utf8::encode $uniq;	1341	utf8::encode $uniq;
1157	if (aio_open $uniq, O_RDONLY, 0) {	1342	if (aio_open $uniq, O_RDONLY, 0) {
1158	$self->clear_unique_items;	1343	$self->clear_unique_items;
1159	$self->load_objects ($uniq, 0);	1344	$self->load_objects ($uniq, 0);
1160	}	1345	}
1161	}	1346	}
		1347
		1348	Coro::cede;
1162		1349
1163	# now do the right thing for maps	1350	# now do the right thing for maps
1164	$self->link_multipart_objects;	1351	$self->link_multipart_objects;
1165		1352
1166	if ($self->{path}->is_style_map) {	1353	if ($self->{path}->is_style_map) {
…		…
1174	$self->difficulty ($self->estimate_difficulty)	1361	$self->difficulty ($self->estimate_difficulty)
1175	unless $self->difficulty;	1362	unless $self->difficulty;
1176	$self->activate;	1363	$self->activate;
1177	}	1364	}
1178		1365
		1366	Coro::cede;
		1367
1179	$self->in_memory (cf::MAP_IN_MEMORY);	1368	$self->in_memory (cf::MAP_IN_MEMORY);
1180	}	1369	}
1181		1370
1182	sub load_map_sync {	1371	sub find_sync {
1183	my ($path, $origin) = @_;	1372	my ($path, $origin) = @_;
1184		1373
1185	#warn "load_map_sync<$path, $origin>\n";#d#	1374	cf::sync_job { cf::map::find $path, $origin }
		1375	}
1186		1376
1187	cf::sync_job {	1377	sub do_load_sync {
1188	my $map = cf::map::find_map $path, $origin	1378	my ($map) = @_;
1189	or return;	1379
1190	$map->load;	1380	cf::sync_job { $map->load };
1191	$map
1192	}
1193	}	1381	}
1194		1382
1195	sub save {	1383	sub save {
1196	my ($self) = @_;	1384	my ($self) = @_;
1197		1385
		1386	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1387
		1388	$self->{last_save} = $cf::RUNTIME;
		1389
		1390	return unless $self->dirty;
		1391
1198	my $save = $self->{path}->save_path; utf8::encode $save;	1392	my $save = $self->{path}->save_path; utf8::encode $save;
1199	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1393	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1200		1394
1201	$self->{last_save} = $cf::RUNTIME;
1202
1203	return unless $self->dirty;
1204
1205	$self->{load_path} = $save;	1395	$self->{load_path} = $save;
1206		1396
1207	return if $self->{deny_save};	1397	return if $self->{deny_save};
1208		1398
1209	warn "saving map ", $self->path;	1399	local $self->{last_access} = $self->last_access;#d#
		1400
		1401	cf::async {
		1402	$_->contr->save for $self->players;
		1403	};
1210		1404
1211	if ($uniq) {	1405	if ($uniq) {
1212	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);	1406	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);
1213	$self->save_objects ($uniq, cf::IO_UNIQUES);	1407	$self->save_objects ($uniq, cf::IO_UNIQUES);
1214	} else {	1408	} else {
…		…
1217	}	1411	}
1218		1412
1219	sub swap_out {	1413	sub swap_out {
1220	my ($self) = @_;	1414	my ($self) = @_;
1221		1415
		1416	# save first because save cedes
		1417	$self->save;
		1418
		1419	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1420
1222	return if $self->players;	1421	return if $self->players;
1223	return if $self->in_memory != cf::MAP_IN_MEMORY;	1422	return if $self->in_memory != cf::MAP_IN_MEMORY;
1224	return if $self->{deny_save};	1423	return if $self->{deny_save};
1225		1424
1226	$self->save;
1227	$self->clear;	1425	$self->clear;
1228	$self->in_memory (cf::MAP_SWAPPED);	1426	$self->in_memory (cf::MAP_SWAPPED);
1229	}	1427	}
1230		1428
		1429	sub reset_at {
		1430	my ($self) = @_;
		1431
		1432	# TODO: safety, remove and allow resettable per-player maps
		1433	return 1e99 if $self->{path}{user_rel};
		1434	return 1e99 if $self->{deny_reset};
		1435
		1436	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1437	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;
		1438
		1439	$time + $to
		1440	}
		1441
1231	sub should_reset {	1442	sub should_reset {
1232	my ($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) = @_;	1443	my ($self) = @_;
1246		1444
1247	return if $self->players;	1445	$self->reset_at <= $cf::RUNTIME
1248	return if $self->{path}{user_rel};#d#	1446	}
1249		1447
1250	warn "resetting map ", $self->path;#d#	1448	sub unlink_save {
		1449	my ($self) = @_;
1251		1450
1252	utf8::encode (my $save = $self->{path}->save_path);	1451	utf8::encode (my $save = $self->{path}->save_path);
1253	aioreq_pri 3; IO::AIO::aio_unlink $save;	1452	aioreq_pri 3; IO::AIO::aio_unlink $save;
1254	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";	1453	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
		1454	}
		1455
		1456	sub rename {
		1457	my ($self, $new_path) = @_;
		1458
		1459	$self->unlink_save;
		1460
		1461	delete $cf::MAP{$self->path};
		1462	$self->{path} = new cf::path $new_path;
		1463	$self->path ($self->{path}->as_string);
		1464	$cf::MAP{$self->path} = $self;
		1465
		1466	$self->save;
		1467	}
		1468
		1469	sub reset {
		1470	my ($self) = @_;
		1471
		1472	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1473
		1474	return if $self->players;
		1475	return if $self->{path}{user_rel};#d#
		1476
		1477	warn "resetting map ", $self->path;#d#
		1478
		1479	delete $cf::MAP{$self->path};
1255		1480
1256	$_->clear_links_to ($self) for values %cf::MAP;	1481	$_->clear_links_to ($self) for values %cf::MAP;
1257		1482
		1483	$self->unlink_save;
1258	$self->clear;	1484	$self->destroy;
1259	$self->in_memory (cf::MAP_SWAPPED);	1485	}
1260	utf8::encode ($self->{load_path} = $self->{path}->load_path);	1486
		1487	my $nuke_counter = "aaaa";
		1488
		1489	sub nuke {
		1490	my ($self) = @_;
		1491
		1492	$self->{deny_save} = 1;
		1493	$self->reset_timeout (1);
		1494	$self->rename ("{nuke}/" . ($nuke_counter++));
		1495	$self->reset; # polite request, might not happen
1261	}	1496	}
1262		1497
1263	sub customise_for {	1498	sub customise_for {
1264	my ($map, $ob) = @_;	1499	my ($map, $ob) = @_;
1265		1500
1266	if ($map->per_player) {	1501	if ($map->per_player) {
1267	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1502	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1268	}	1503	}
1269		1504
1270	$map	1505	$map
1271	}	1506	}
1272		1507
1273	sub emergency_save {	1508	sub emergency_save {
1274	local $cf::FREEZE = 1;	1509	my $freeze_guard = cf::freeze_mainloop;
1275		1510
1276	warn "enter emergency map save\n";	1511	warn "enter emergency perl save\n";
1277		1512
1278	cf::sync_job {	1513	cf::sync_job {
		1514	warn "begin emergency player save\n";
		1515	$_->save for values %cf::PLAYER;
		1516	warn "end emergency player save\n";
		1517
1279	warn "begin emergency map save\n";	1518	warn "begin emergency map save\n";
1280	$_->save for values %cf::MAP;	1519	$_->save for values %cf::MAP;
		1520	warn "end emergency map save\n";
1281	};	1521	};
1282		1522
1283	warn "end emergency map save\n";	1523	warn "leave emergency perl save\n";
1284	}	1524	}
1285		1525
1286	package cf;	1526	package cf;
1287		1527
1288	=back	1528	=back
…		…
1330	(ref $cf::CFG{"may_$access"}	1570	(ref $cf::CFG{"may_$access"}
1331	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1571	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1332	: $cf::CFG{"may_$access"})	1572	: $cf::CFG{"may_$access"})
1333	}	1573	}
1334		1574
		1575	=item $player_object->enter_link
		1576
		1577	Freezes the player and moves him/her to a special map (C<{link}>).
		1578
		1579	The player should be reaosnably safe there for short amounts of time. You
		1580	I<MUST> call C<leave_link> as soon as possible, though.
		1581
		1582	=item $player_object->leave_link ($map, $x, $y)
		1583
		1584	Moves the player out of the specila link map onto the given map. If the
		1585	map is not valid (or omitted), the player will be moved back to the
		1586	location he/she was before the call to C<enter_link>, or, if that fails,
		1587	to the emergency map position.
		1588
		1589	Might block.
		1590
		1591	=cut
		1592
1335	sub cf::object::player::enter_link {	1593	sub cf::object::player::enter_link {
1336	my ($self) = @_;	1594	my ($self) = @_;
1337		1595
		1596	$self->deactivate_recursive;
		1597
1338	return if $self->map == $LINK_MAP;	1598	return if $self->map == $LINK_MAP;
1339		1599
1340	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1600	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]
1341	if $self->map;	1601	if $self->map;
1342		1602
1343	$self->enter_map ($LINK_MAP, 20, 20);	1603	$self->enter_map ($LINK_MAP, 20, 20);
1344	$self->deactivate_recursive;
1345	}	1604	}
1346		1605
1347	sub cf::object::player::leave_link {	1606	sub cf::object::player::leave_link {
1348	my ($self, $map, $x, $y) = @_;	1607	my ($self, $map, $x, $y) = @_;
1349		1608
1350	my $link_pos = delete $self->{_link_pos};	1609	my $link_pos = delete $self->{_link_pos};
1351		1610
1352	unless ($map) {	1611	unless ($map) {
1353	$self->message ("The exit is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
1354
1355	# restore original map position	1612	# restore original map position
1356	($map, $x, $y) = @{ $link_pos \|\| [] };	1613	($map, $x, $y) = @{ $link_pos \|\| [] };
1357	$map = cf::map::find_map $map;	1614	$map = cf::map::find $map;
1358		1615
1359	unless ($map) {	1616	unless ($map) {
1360	($map, $x, $y) = @$EMERGENCY_POSITION;	1617	($map, $x, $y) = @$EMERGENCY_POSITION;
1361	$map = cf::map::find_map $map	1618	$map = cf::map::find $map
1362	or die "FATAL: cannot load emergency map\n";	1619	or die "FATAL: cannot load emergency map\n";
1363	}	1620	}
1364	}	1621	}
1365		1622
1366	($x, $y) = (-1, -1)	1623	($x, $y) = (-1, -1)
…		…
1370	($x, $y) = ($map->enter_x, $map->enter_y)	1627	($x, $y) = ($map->enter_x, $map->enter_y)
1371	if $x <=0 && $y <= 0;	1628	if $x <=0 && $y <= 0;
1372		1629
1373	$map->load;	1630	$map->load;
1374		1631
		1632	return unless $self->contr->active;
1375	$self->activate_recursive;	1633	$self->activate_recursive;
1376	$self->enter_map ($map, $x, $y);	1634	$self->enter_map ($map, $x, $y);
1377	}	1635	}
1378		1636
		1637	cf::player->attach (
		1638	on_logout => sub {
		1639	my ($pl) = @_;
		1640
		1641	# abort map switching before logout
		1642	if ($pl->ob->{_link_pos}) {
		1643	cf::sync_job {
		1644	$pl->ob->leave_link
		1645	};
		1646	}
		1647	},
		1648	on_login => sub {
		1649	my ($pl) = @_;
		1650
		1651	# try to abort aborted map switching on player login :)
		1652	# should happen only on crashes
		1653	if ($pl->ob->{_link_pos}) {
		1654	$pl->ob->enter_link;
		1655	(async {
		1656	# we need this sleep as the login has a concurrent enter_exit running
		1657	# and this sleep increases chances of the player not ending up in scorn
		1658	$pl->ob->reply (undef,
		1659	"There was an internal problem at your last logout, "
		1660	. "the server will try to bring you to your intended destination in a second.",
		1661	cf::NDI_RED);
		1662	Coro::Timer::sleep 1;
		1663	$pl->ob->leave_link;
		1664	})->prio (2);
		1665	}
		1666	},
		1667	);
		1668
1379	=item $player_object->goto_map ($map, $x, $y)	1669	=item $player_object->goto ($path, $x, $y)
1380		1670
1381	=cut	1671	=cut
1382		1672
1383	sub cf::object::player::goto_map {	1673	sub cf::object::player::goto {
1384	my ($self, $path, $x, $y) = @_;	1674	my ($self, $path, $x, $y) = @_;
1385		1675
1386	$self->enter_link;	1676	$self->enter_link;
1387		1677
1388	(Coro::async {	1678	(async {
1389	$path = new cf::path $path;	1679	$path = new cf::path $path;
1390		1680
1391	my $map = cf::map::find_map $path->as_string;	1681	my $map = cf::map::find $path->as_string;
1392	$map = $map->customise_for ($self) if $map;	1682	$map = $map->customise_for ($self) if $map;
1393		1683
1394	warn "entering ", $map->path, " at ($x, $y)\n"	1684	# warn "entering ", $map->path, " at ($x, $y)\n"
1395	if $map;	1685	# if $map;
		1686
		1687	$map or $map->cluck ("oy");#d#
		1688	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
1396		1689
1397	$self->leave_link ($map, $x, $y);	1690	$self->leave_link ($map, $x, $y);
1398	})->prio (1);	1691	})->prio (1);
1399	}	1692	}
1400		1693
…		…
1453		1746
1454	return unless $self->type == cf::PLAYER;	1747	return unless $self->type == cf::PLAYER;
1455		1748
1456	$self->enter_link;	1749	$self->enter_link;
1457		1750
1458	(Coro::async {	1751	(async {
		1752	$self->deactivate_recursive; # just to be sure
1459	unless (eval {	1753	unless (eval {
1460
1461	prepare_random_map $exit	1754	prepare_random_map $exit
1462	if $exit->slaying eq "/!";	1755	if $exit->slaying eq "/!";
1463		1756
1464	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1757	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1465	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1758	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1466		1759
1467	1;	1760	1;
1468	}) {	1761	}) {
1469	$self->message ("Something went wrong deep within the crossfire server. "	1762	$self->message ("Something went wrong deep within the crossfire server. "
1470	. "I'll try to bring you back to the map you were before. "	1763	. "I'll try to bring you back to the map you were before. "
…		…
1527	on_reply => sub {	1820	on_reply => sub {
1528	my ($ns, $msg) = @_;	1821	my ($ns, $msg) = @_;
1529		1822
1530	# this weird shuffling is so that direct followup queries	1823	# this weird shuffling is so that direct followup queries
1531	# get handled first	1824	# get handled first
1532	my $queue = delete $ns->{query_queue};	1825	my $queue = delete $ns->{query_queue}
		1826	or return; # be conservative, not sure how that can happen, but we saw a crash here
1533		1827
1534	(shift @$queue)->[1]->($msg);	1828	(shift @$queue)->[1]->($msg);
1535		1829
1536	push @{ $ns->{query_queue} }, @$queue;	1830	push @{ $ns->{query_queue} }, @$queue;
1537		1831
…		…
1543	}	1837	}
1544	}	1838	}
1545	},	1839	},
1546	);	1840	);
1547		1841
1548	=item $client->coro (\&cb)	1842	=item $client->async (\&cb)
1549		1843
1550	Create a new coroutine, running the specified callback. The coroutine will	1844	Create a new coroutine, running the specified callback. The coroutine will
1551	be automatically cancelled when the client gets destroyed (e.g. on logout,	1845	be automatically cancelled when the client gets destroyed (e.g. on logout,
1552	or loss of connection).	1846	or loss of connection).
1553		1847
1554	=cut	1848	=cut
1555		1849
1556	sub cf::client::coro {	1850	sub cf::client::async {
1557	my ($self, $cb) = @_;	1851	my ($self, $cb) = @_;
1558		1852
1559	my $coro; $coro = async {	1853	my $coro = &Coro::async ($cb);
1560	eval {
1561	$cb->();
1562	};
1563	warn $@ if $@;
1564	};
1565		1854
1566	$coro->on_destroy (sub {	1855	$coro->on_destroy (sub {
1567	delete $self->{_coro}{$coro+0};	1856	delete $self->{_coro}{$coro+0};
1568	});	1857	});
1569		1858
…		…
1741		2030
1742	{	2031	{
1743	my $path = cf::localdir . "/database.pst";	2032	my $path = cf::localdir . "/database.pst";
1744		2033
1745	sub db_load() {	2034	sub db_load() {
1746	warn "loading database $path\n";#d# remove later
1747	$DB = stat $path ? Storable::retrieve $path : { };	2035	$DB = stat $path ? Storable::retrieve $path : { };
1748	}	2036	}
1749		2037
1750	my $pid;	2038	my $pid;
1751		2039
1752	sub db_save() {	2040	sub db_save() {
1753	warn "saving database $path\n";#d# remove later
1754	waitpid $pid, 0 if $pid;	2041	waitpid $pid, 0 if $pid;
1755	if (0 == ($pid = fork)) {	2042	if (0 == ($pid = fork)) {
1756	$DB->{_meta}{version} = 1;	2043	$DB->{_meta}{version} = 1;
1757	Storable::nstore $DB, "$path~";	2044	Storable::nstore $DB, "$path~";
1758	rename "$path~", $path;	2045	rename "$path~", $path;
…		…
1806	open my $fh, "<:utf8", cf::confdir . "/config"	2093	open my $fh, "<:utf8", cf::confdir . "/config"
1807	or return;	2094	or return;
1808		2095
1809	local $/;	2096	local $/;
1810	*CFG = YAML::Syck::Load <$fh>;	2097	*CFG = YAML::Syck::Load <$fh>;
		2098
		2099	$EMERGENCY_POSITION = $CFG{emergency_position} \|\| ["/world/world_105_115", 5, 37];
		2100
		2101	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2102	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2103
		2104	if (exists $CFG{mlockall}) {
		2105	eval {
		2106	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2107	and die "WARNING: m(un)lockall failed: $!\n";
		2108	};
		2109	warn $@ if $@;
		2110	}
1811	}	2111	}
1812		2112
1813	sub main {	2113	sub main {
1814	# we must not ever block the main coroutine	2114	# we must not ever block the main coroutine
1815	local $Coro::idle = sub {	2115	local $Coro::idle = sub {
1816	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2116	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1817	(Coro::unblock_sub {
1818	Event::one_event;	2117	async { Event::one_event };
1819	})->();
1820	};	2118	};
1821		2119
1822	cfg_load;	2120	cfg_load;
1823	db_load;	2121	db_load;
1824	load_extensions;	2122	load_extensions;
…		…
1826	}	2124	}
1827		2125
1828	#############################################################################	2126	#############################################################################
1829	# initialisation	2127	# initialisation
1830		2128
1831	sub perl_reload() {	2129	sub reload() {
1832	# can/must only be called in main	2130	# can/must only be called in main
1833	if ($Coro::current != $Coro::main) {	2131	if ($Coro::current != $Coro::main) {
1834	warn "can only reload from main coroutine\n";	2132	warn "can only reload from main coroutine\n";
1835	return;	2133	return;
1836	}	2134	}
1837		2135
1838	warn "reloading...";	2136	warn "reloading...";
1839		2137
1840	local $FREEZE = 1;	2138	my $guard = freeze_mainloop;
1841	cf::emergency_save;	2139	cf::emergency_save;
1842		2140
1843	eval {	2141	eval {
1844	# if anything goes wrong in here, we should simply crash as we already saved	2142	# if anything goes wrong in here, we should simply crash as we already saved
1845		2143
…		…
1907	cf::load_extensions;	2205	cf::load_extensions;
1908		2206
1909	# reattach attachments to objects	2207	# reattach attachments to objects
1910	warn "reattach";	2208	warn "reattach";
1911	_global_reattach;	2209	_global_reattach;
		2210	reattach $_ for values %MAP;
1912	};	2211	};
1913		2212
1914	if ($@) {	2213	if ($@) {
1915	warn $@;	2214	warn $@;
1916	warn "error while reloading, exiting.";	2215	warn "error while reloading, exiting.";
…		…
1932	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";	2231	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1933	$LINK_MAP->in_memory (MAP_IN_MEMORY);	2232	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1934		2233
1935	# dirty hack because... archetypes are not yet loaded	2234	# dirty hack because... archetypes are not yet loaded
1936	Event->timer (	2235	Event->timer (
1937	after => 2,	2236	after => 10,
1938	cb => sub {	2237	cb => sub {
1939	$_[0]->w->cancel;	2238	$_[0]->w->cancel;
1940		2239
1941	# provide some exits "home"	2240	# provide some exits "home"
1942	my $exit = cf::object::new "exit";	2241	my $exit = cf::object::new "exit";
…		…
1963	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;	2262	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1964	}	2263	}
1965		2264
1966	register "<global>", __PACKAGE__;	2265	register "<global>", __PACKAGE__;
1967		2266
1968	register_command "perl-reload" => sub {	2267	register_command "reload" => sub {
1969	my ($who, $arg) = @_;	2268	my ($who, $arg) = @_;
1970		2269
1971	if ($who->flag (FLAG_WIZ)) {	2270	if ($who->flag (FLAG_WIZ)) {
1972	$who->message ("start of reload.");	2271	$who->message ("start of reload.");
1973	perl_reload;	2272	reload;
1974	$who->message ("end of reload.");	2273	$who->message ("end of reload.");
1975	}	2274	}
1976	};	2275	};
1977		2276
1978	unshift @INC, $LIBDIR;	2277	unshift @INC, $LIBDIR;
…		…
1981	reentrant => 0,	2280	reentrant => 0,
1982	prio => 0,	2281	prio => 0,
1983	at => $NEXT_TICK \|\| $TICK,	2282	at => $NEXT_TICK \|\| $TICK,
1984	data => WF_AUTOCANCEL,	2283	data => WF_AUTOCANCEL,
1985	cb => sub {	2284	cb => sub {
1986	unless ($FREEZE) {
1987	cf::server_tick; # one server iteration	2285	cf::server_tick; # one server iteration
1988	$RUNTIME += $TICK;	2286	$RUNTIME += $TICK;
1989	}
1990
1991	$NEXT_TICK += $TICK;	2287	$NEXT_TICK += $TICK;
1992		2288
1993	# if we are delayed by four ticks or more, skip them all	2289	# if we are delayed by four ticks or more, skip them all
1994	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2290	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1995		2291
…		…
2018	or warn "ERROR: unable to write runtime file: $!";	2314	or warn "ERROR: unable to write runtime file: $!";
2019	})->();	2315	})->();
2020	},	2316	},
2021	);	2317	);
2022		2318
		2319	END { cf::emergency_save }
		2320
2023	1	2321	1
2024		2322

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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 1.151 by root, Mon Jan 8 20:59:15 2007 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.110 by root, Mon Jan 1 11:21:55 2007 UTC vs.
Revision 1.151 by root, Mon Jan 8 20:59:15 2007 UTC