[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 1.147 by root, Mon Jan 8 12:23:33 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	$cf::PLAYER{$login} \|\|= (load_pl path $login or return);
		1125	};
		1126	}
		1127
		1128	sub save($) {
		1129	my ($pl) = @_;
		1130
		1131	return if $pl->{deny_save};
		1132
		1133	my $path = path $pl;
		1134	my $guard = cf::lock_acquire "user_save:$path";
		1135
		1136	return if $pl->{deny_save};
		1137
		1138	IO::AIO::aio_mkdir playerdir $pl, 0770;
		1139	$pl->{last_save} = $cf::RUNTIME;
		1140
		1141	Coro::cede;
		1142	$pl->save_pl ($path);
		1143	Coro::cede;
		1144	}
		1145
		1146	sub new($) {
		1147	my ($login) = @_;
		1148
		1149	my $self = create;
		1150
		1151	$self->ob->name ($login);
		1152	$self->{deny_save} = 1;
		1153
		1154	$cf::PLAYER{$login} = $self;
		1155
		1156	$self
		1157	}
		1158
		1159	sub quit_character {
		1160	my ($pl) = @_;
		1161
		1162	$pl->{deny_save} = 1;
		1163	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1164
		1165	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1166	$pl->deactivate;
		1167	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1168	$pl->ns->destroy if $pl->ns;
		1169
		1170	my $path = playerdir $pl;
		1171	my $temp = "$path~$cf::RUNTIME~deleting~";
		1172	IO::AIO::aio_rename $path, $temp, sub {
		1173	delete $cf::PLAYER{$pl->ob->name};
		1174	$pl->destroy;
		1175
		1176	IO::AIO::aio_rmtree $temp;
		1177	};
1019	}	1178	}
1020		1179
1021	=item $player->ext_reply ($msgid, $msgtype, %msg)	1180	=item $player->ext_reply ($msgid, $msgtype, %msg)
1022		1181
1023	Sends an ext reply to the player.	1182	Sends an ext reply to the player.
1024		1183
1025	=cut	1184	=cut
1026		1185
1027	sub cf::player::ext_reply($$$%) {	1186	sub ext_reply($$$%) {
1028	my ($self, $id, %msg) = @_;	1187	my ($self, $id, %msg) = @_;
1029		1188
1030	$msg{msgid} = $id;	1189	$msg{msgid} = $id;
1031		1190
1032	$self->send ("ext " . to_json \%msg);	1191	$self->send ("ext " . cf::to_json \%msg);
1033	}	1192	}
		1193
		1194	package cf;
1034		1195
1035	=back	1196	=back
1036		1197
1037		1198
1038	=head3 cf::map	1199	=head3 cf::map
…		…
1044	package cf::map;	1205	package cf::map;
1045		1206
1046	use Fcntl;	1207	use Fcntl;
1047	use Coro::AIO;	1208	use Coro::AIO;
1048		1209
1049	our $MAX_RESET = 7200;	1210	our $MAX_RESET = 3600;
1050	our $DEFAULT_RESET = 3600;	1211	our $DEFAULT_RESET = 3000;
1051	$MAX_RESET = 10;#d#
1052	$DEFAULT_RESET = 10;#d#
1053		1212
1054	sub generate_random_map {	1213	sub generate_random_map {
1055	my ($path, $rmp) = @_;	1214	my ($path, $rmp) = @_;
1056		1215
1057	# mit "rum" bekleckern, nicht	1216	# mit "rum" bekleckern, nicht
…		…
1073	# and all this just because we cannot iterate over	1232	# and all this just because we cannot iterate over
1074	# all maps in C++...	1233	# all maps in C++...
1075	sub change_all_map_light {	1234	sub change_all_map_light {
1076	my ($change) = @_;	1235	my ($change) = @_;
1077		1236
1078	$_->change_map_light ($change) for values %cf::MAP;	1237	$_->change_map_light ($change)
		1238	for grep $_->outdoor, values %cf::MAP;
1079	}	1239	}
1080		1240
1081	sub try_load_header($) {	1241	sub try_load_header($) {
1082	my ($path) = @_;	1242	my ($path) = @_;
1083		1243
…		…
1086	or return;	1246	or return;
1087		1247
1088	my $map = cf::map::new	1248	my $map = cf::map::new
1089	or return;	1249	or return;
1090		1250
		1251	# for better error messages only, will be overwritten
		1252	$map->path ($path);
		1253
1091	$map->load_header ($path)	1254	$map->load_header ($path)
1092	or return;	1255	or return;
1093		1256
1094	$map->{load_path} = $path;	1257	$map->{load_path} = $path;
1095	use Data::Dumper; warn Dumper $map;#d#
1096		1258
1097	$map	1259	$map
1098	}	1260	}
1099		1261
		1262	sub find;
1100	sub find_map {	1263	sub find {
1101	my ($path, $origin) = @_;	1264	my ($path, $origin) = @_;
1102		1265
1103	#warn "find_map<$path,$origin>\n";#d#	1266	#warn "find<$path,$origin>\n";#d#
1104		1267
1105	$path = ref $path ? $path : new cf::path $path, $origin && $origin->path;	1268	$path = new cf::path $path, $origin && $origin->path;
1106	my $key = $path->as_string;	1269	my $key = $path->as_string;
1107		1270
		1271	cf::lock_wait "map_find:$key";
		1272
1108	$cf::MAP{$key} \|\| do {	1273	$cf::MAP{$key} \|\| do {
		1274	my $guard = cf::lock_acquire "map_find:$key";
		1275
1109	# do it the slow way	1276	# do it the slow way
1110	my $map = try_load_header $path->save_path;	1277	my $map = try_load_header $path->save_path;
1111		1278
		1279	Coro::cede;
		1280
1112	if ($map) {	1281	if ($map) {
		1282	$map->last_access ((delete $map->{last_access})
		1283	\|\| $cf::RUNTIME); #d#
1113	# safety	1284	# safety
1114	$map->{instantiate_time} = $cf::RUNTIME	1285	$map->{instantiate_time} = $cf::RUNTIME
1115	if $map->{instantiate_time} > $cf::RUNTIME;	1286	if $map->{instantiate_time} > $cf::RUNTIME;
1116	} else {	1287	} else {
1117	if (my $rmp = $path->random_map_params) {	1288	if (my $rmp = $path->random_map_params) {
…		…
1122		1293
1123	$map or return;	1294	$map or return;
1124		1295
1125	$map->{load_original} = 1;	1296	$map->{load_original} = 1;
1126	$map->{instantiate_time} = $cf::RUNTIME;	1297	$map->{instantiate_time} = $cf::RUNTIME;
		1298	$map->last_access ($cf::RUNTIME);
1127	$map->instantiate;	1299	$map->instantiate;
1128		1300
1129	# per-player maps become, after loading, normal maps	1301	# per-player maps become, after loading, normal maps
1130	$map->per_player (0) if $path->{user_rel};	1302	$map->per_player (0) if $path->{user_rel};
1131	}	1303	}
1132		1304
1133	$map->path ($key);	1305	$map->path ($key);
1134	$map->{path} = $path;	1306	$map->{path} = $path;
1135	$map->last_access ($cf::RUNTIME);	1307	$map->{last_save} = $cf::RUNTIME;
1136		1308
		1309	Coro::cede;
		1310
1137	$map->reset if $map->should_reset;	1311	if ($map->should_reset) {
		1312	$map->reset;
		1313	undef $guard;
		1314	$map = find $path
		1315	or return;
		1316	}
1138		1317
1139	$cf::MAP{$key} = $map	1318	$cf::MAP{$key} = $map
1140	}	1319	}
1141	}	1320	}
1142		1321
1143	sub load {	1322	sub load {
1144	my ($self) = @_;	1323	my ($self) = @_;
1145		1324
		1325	my $path = $self->{path};
		1326	my $guard = cf::lock_acquire "map_load:" . $path->as_string;
		1327
1146	return if $self->in_memory != cf::MAP_SWAPPED;	1328	return if $self->in_memory != cf::MAP_SWAPPED;
1147		1329
1148	$self->in_memory (cf::MAP_LOADING);	1330	$self->in_memory (cf::MAP_LOADING);
1149
1150	my $path = $self->{path};
1151		1331
1152	$self->alloc;	1332	$self->alloc;
1153	$self->load_objects ($self->{load_path}, 1)	1333	$self->load_objects ($self->{load_path}, 1)
1154	or return;	1334	or return;
1155		1335
1156	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) if delete $self->{load_original};	1336	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1337	if delete $self->{load_original};
1157		1338
1158	if (my $uniq = $path->uniq_path) {	1339	if (my $uniq = $path->uniq_path) {
1159	utf8::encode $uniq;	1340	utf8::encode $uniq;
1160	if (aio_open $uniq, O_RDONLY, 0) {	1341	if (aio_open $uniq, O_RDONLY, 0) {
1161	$self->clear_unique_items;	1342	$self->clear_unique_items;
1162	$self->load_objects ($uniq, 0);	1343	$self->load_objects ($uniq, 0);
1163	}	1344	}
1164	}	1345	}
		1346
		1347	Coro::cede;
1165		1348
1166	# now do the right thing for maps	1349	# now do the right thing for maps
1167	$self->link_multipart_objects;	1350	$self->link_multipart_objects;
1168		1351
1169	if ($self->{path}->is_style_map) {	1352	if ($self->{path}->is_style_map) {
…		…
1177	$self->difficulty ($self->estimate_difficulty)	1360	$self->difficulty ($self->estimate_difficulty)
1178	unless $self->difficulty;	1361	unless $self->difficulty;
1179	$self->activate;	1362	$self->activate;
1180	}	1363	}
1181		1364
		1365	Coro::cede;
		1366
1182	$self->in_memory (cf::MAP_IN_MEMORY);	1367	$self->in_memory (cf::MAP_IN_MEMORY);
1183	}	1368	}
1184		1369
1185	sub load_map_sync {	1370	sub find_sync {
1186	my ($path, $origin) = @_;	1371	my ($path, $origin) = @_;
1187		1372
1188	#warn "load_map_sync<$path, $origin>\n";#d#	1373	cf::sync_job { cf::map::find $path, $origin }
		1374	}
1189		1375
1190	cf::sync_job {	1376	sub do_load_sync {
1191	my $map = cf::map::find_map $path, $origin	1377	my ($map) = @_;
1192	or return;	1378
1193	$map->load;	1379	cf::sync_job { $map->load };
1194	$map
1195	}
1196	}	1380	}
1197		1381
1198	sub save {	1382	sub save {
1199	my ($self) = @_;	1383	my ($self) = @_;
1200		1384
		1385	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1386
		1387	$self->{last_save} = $cf::RUNTIME;
		1388
		1389	return unless $self->dirty;
		1390
1201	my $save = $self->{path}->save_path; utf8::encode $save;	1391	my $save = $self->{path}->save_path; utf8::encode $save;
1202	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1392	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1203		1393
1204	$self->{last_save} = $cf::RUNTIME;
1205
1206	return unless $self->dirty;
1207
1208	$self->{load_path} = $save;	1394	$self->{load_path} = $save;
1209		1395
1210	return if $self->{deny_save};	1396	return if $self->{deny_save};
1211		1397
1212	warn "saving map ", $self->path;	1398	local $self->{last_access} = $self->last_access;#d#
		1399
		1400	cf::async {
		1401	$_->contr->save for $self->players;
		1402	};
1213		1403
1214	if ($uniq) {	1404	if ($uniq) {
1215	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);	1405	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);
1216	$self->save_objects ($uniq, cf::IO_UNIQUES);	1406	$self->save_objects ($uniq, cf::IO_UNIQUES);
1217	} else {	1407	} else {
…		…
1220	}	1410	}
1221		1411
1222	sub swap_out {	1412	sub swap_out {
1223	my ($self) = @_;	1413	my ($self) = @_;
1224		1414
		1415	# save first because save cedes
		1416	$self->save;
		1417
		1418	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1419
1225	return if $self->players;	1420	return if $self->players;
1226	return if $self->in_memory != cf::MAP_IN_MEMORY;	1421	return if $self->in_memory != cf::MAP_IN_MEMORY;
1227	return if $self->{deny_save};	1422	return if $self->{deny_save};
1228		1423
1229	$self->save;
1230	$self->clear;	1424	$self->clear;
1231	$self->in_memory (cf::MAP_SWAPPED);	1425	$self->in_memory (cf::MAP_SWAPPED);
1232	}	1426	}
1233		1427
		1428	sub reset_at {
		1429	my ($self) = @_;
		1430
		1431	# TODO: safety, remove and allow resettable per-player maps
		1432	return 1e99 if $self->{path}{user_rel};
		1433	return 1e99 if $self->{deny_reset};
		1434
		1435	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1436	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;
		1437
		1438	$time + $to
		1439	}
		1440
1234	sub should_reset {	1441	sub should_reset {
1235	my ($map) = @_;	1442	my ($self) = @_;
1236		1443
1237	# TODO: safety, remove and allow resettable per-player maps	1444	$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 < $cf::RUNTIME
1247	}	1445	}
1248		1446
1249	sub unlink_save {	1447	sub unlink_save {
1250	my ($self) = @_;	1448	my ($self) = @_;
1251		1449
1252	utf8::encode (my $save = $self->{path}->save_path);	1450	utf8::encode (my $save = $self->{path}->save_path);
1253	aioreq_pri 3; IO::AIO::aio_unlink $save;	1451	aioreq_pri 3; IO::AIO::aio_unlink $save;
1254	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";	1452	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1255	}	1453	}
1256		1454
		1455	sub rename {
		1456	my ($self, $new_path) = @_;
		1457
		1458	$self->unlink_save;
		1459
		1460	delete $cf::MAP{$self->path};
		1461	$self->{path} = new cf::path $new_path;
		1462	$self->path ($self->{path}->as_string);
		1463	$cf::MAP{$self->path} = $self;
		1464
		1465	$self->save;
		1466	}
		1467
1257	sub reset {	1468	sub reset {
1258	my ($self) = @_;	1469	my ($self) = @_;
1259		1470
		1471	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1472
1260	return if $self->players;	1473	return if $self->players;
1261	return if $self->{path}{user_rel};#d#	1474	return if $self->{path}{user_rel};#d#
1262		1475
1263	warn "resetting map ", $self->path;#d#	1476	warn "resetting map ", $self->path;#d#
1264		1477
…		…
1268		1481
1269	$self->unlink_save;	1482	$self->unlink_save;
1270	$self->destroy;	1483	$self->destroy;
1271	}	1484	}
1272		1485
		1486	my $nuke_counter = "aaaa";
		1487
		1488	sub nuke {
		1489	my ($self) = @_;
		1490
		1491	$self->{deny_save} = 1;
		1492	$self->reset_timeout (1);
		1493	$self->rename ("{nuke}/" . ($nuke_counter++));
		1494	$self->reset; # polite request, might not happen
		1495	}
		1496
1273	sub customise_for {	1497	sub customise_for {
1274	my ($map, $ob) = @_;	1498	my ($map, $ob) = @_;
1275		1499
1276	if ($map->per_player) {	1500	if ($map->per_player) {
1277	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1501	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1278	}	1502	}
1279		1503
1280	$map	1504	$map
1281	}	1505	}
1282		1506
1283	sub emergency_save {	1507	sub emergency_save {
1284	local $cf::FREEZE = 1;	1508	my $freeze_guard = cf::freeze_mainloop;
1285		1509
1286	warn "enter emergency map save\n";	1510	warn "enter emergency perl save\n";
1287		1511
1288	cf::sync_job {	1512	cf::sync_job {
		1513	warn "begin emergency player save\n";
		1514	$_->save for values %cf::PLAYER;
		1515	warn "end emergency player save\n";
		1516
1289	warn "begin emergency map save\n";	1517	warn "begin emergency map save\n";
1290	$_->save for values %cf::MAP;	1518	$_->save for values %cf::MAP;
		1519	warn "end emergency map save\n";
1291	};	1520	};
1292		1521
1293	warn "end emergency map save\n";	1522	warn "leave emergency perl save\n";
1294	}	1523	}
1295		1524
1296	package cf;	1525	package cf;
1297		1526
1298	=back	1527	=back
…		…
1340	(ref $cf::CFG{"may_$access"}	1569	(ref $cf::CFG{"may_$access"}
1341	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1570	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1342	: $cf::CFG{"may_$access"})	1571	: $cf::CFG{"may_$access"})
1343	}	1572	}
1344		1573
		1574	=item $player_object->enter_link
		1575
		1576	Freezes the player and moves him/her to a special map (C<{link}>).
		1577
		1578	The player should be reaosnably safe there for short amounts of time. You
		1579	I<MUST> call C<leave_link> as soon as possible, though.
		1580
		1581	=item $player_object->leave_link ($map, $x, $y)
		1582
		1583	Moves the player out of the specila link map onto the given map. If the
		1584	map is not valid (or omitted), the player will be moved back to the
		1585	location he/she was before the call to C<enter_link>, or, if that fails,
		1586	to the emergency map position.
		1587
		1588	Might block.
		1589
		1590	=cut
		1591
1345	sub cf::object::player::enter_link {	1592	sub cf::object::player::enter_link {
1346	my ($self) = @_;	1593	my ($self) = @_;
1347		1594
		1595	$self->deactivate_recursive;
		1596
1348	return if $self->map == $LINK_MAP;	1597	return if $self->map == $LINK_MAP;
1349		1598
1350	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1599	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]
1351	if $self->map;	1600	if $self->map;
1352		1601
1353	$self->enter_map ($LINK_MAP, 20, 20);	1602	$self->enter_map ($LINK_MAP, 20, 20);
1354	$self->deactivate_recursive;
1355	}	1603	}
1356		1604
1357	sub cf::object::player::leave_link {	1605	sub cf::object::player::leave_link {
1358	my ($self, $map, $x, $y) = @_;	1606	my ($self, $map, $x, $y) = @_;
1359		1607
1360	my $link_pos = delete $self->{_link_pos};	1608	my $link_pos = delete $self->{_link_pos};
1361		1609
1362	unless ($map) {	1610	unless ($map) {
1363	$self->message ("The exit is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
1364
1365	# restore original map position	1611	# restore original map position
1366	($map, $x, $y) = @{ $link_pos \|\| [] };	1612	($map, $x, $y) = @{ $link_pos \|\| [] };
1367	$map = cf::map::find_map $map;	1613	$map = cf::map::find $map;
1368		1614
1369	unless ($map) {	1615	unless ($map) {
1370	($map, $x, $y) = @$EMERGENCY_POSITION;	1616	($map, $x, $y) = @$EMERGENCY_POSITION;
1371	$map = cf::map::find_map $map	1617	$map = cf::map::find $map
1372	or die "FATAL: cannot load emergency map\n";	1618	or die "FATAL: cannot load emergency map\n";
1373	}	1619	}
1374	}	1620	}
1375		1621
1376	($x, $y) = (-1, -1)	1622	($x, $y) = (-1, -1)
…		…
1380	($x, $y) = ($map->enter_x, $map->enter_y)	1626	($x, $y) = ($map->enter_x, $map->enter_y)
1381	if $x <=0 && $y <= 0;	1627	if $x <=0 && $y <= 0;
1382		1628
1383	$map->load;	1629	$map->load;
1384		1630
		1631	return unless $self->contr->active;
1385	$self->activate_recursive;	1632	$self->activate_recursive;
1386	$self->enter_map ($map, $x, $y);	1633	$self->enter_map ($map, $x, $y);
1387	}	1634	}
1388		1635
		1636	cf::player->attach (
		1637	on_logout => sub {
		1638	my ($pl) = @_;
		1639
		1640	# abort map switching before logout
		1641	if ($pl->ob->{_link_pos}) {
		1642	cf::sync_job {
		1643	$pl->ob->leave_link
		1644	};
		1645	}
		1646	},
		1647	on_login => sub {
		1648	my ($pl) = @_;
		1649
		1650	# try to abort aborted map switching on player login :)
		1651	# should happen only on crashes
		1652	if ($pl->ob->{_link_pos}) {
		1653	$pl->ob->enter_link;
		1654	(async {
		1655	# we need this sleep as the login has a concurrent enter_exit running
		1656	# and this sleep increases chances of the player not ending up in scorn
		1657	$pl->ob->reply (undef,
		1658	"There was an internal problem at your last logout, "
		1659	. "the server will try to bring you to your intended destination in a second.",
		1660	cf::NDI_RED);
		1661	Coro::Timer::sleep 1;
		1662	$pl->ob->leave_link;
		1663	})->prio (2);
		1664	}
		1665	},
		1666	);
		1667
1389	=item $player_object->goto_map ($map, $x, $y)	1668	=item $player_object->goto ($path, $x, $y)
1390		1669
1391	=cut	1670	=cut
1392		1671
1393	sub cf::object::player::goto_map {	1672	sub cf::object::player::goto {
1394	my ($self, $path, $x, $y) = @_;	1673	my ($self, $path, $x, $y) = @_;
1395		1674
1396	$self->enter_link;	1675	$self->enter_link;
1397		1676
1398	(Coro::async {	1677	(async {
1399	$path = new cf::path $path;	1678	$path = new cf::path $path;
1400		1679
1401	my $map = cf::map::find_map $path->as_string;	1680	my $map = cf::map::find $path->as_string;
1402	$map = $map->customise_for ($self) if $map;	1681	$map = $map->customise_for ($self) if $map;
1403		1682
1404	warn "entering ", $map->path, " at ($x, $y)\n"	1683	# warn "entering ", $map->path, " at ($x, $y)\n"
1405	if $map;	1684	# if $map;
		1685
		1686	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
1406		1687
1407	$self->leave_link ($map, $x, $y);	1688	$self->leave_link ($map, $x, $y);
1408	})->prio (1);	1689	})->prio (1);
1409	}	1690	}
1410		1691
…		…
1463		1744
1464	return unless $self->type == cf::PLAYER;	1745	return unless $self->type == cf::PLAYER;
1465		1746
1466	$self->enter_link;	1747	$self->enter_link;
1467		1748
1468	(Coro::async {	1749	(async {
		1750	$self->deactivate_recursive; # just to be sure
1469	unless (eval {	1751	unless (eval {
1470
1471	prepare_random_map $exit	1752	prepare_random_map $exit
1472	if $exit->slaying eq "/!";	1753	if $exit->slaying eq "/!";
1473		1754
1474	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1755	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1475	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1756	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1476		1757
1477	1;	1758	1;
1478	}) {	1759	}) {
1479	$self->message ("Something went wrong deep within the crossfire server. "	1760	$self->message ("Something went wrong deep within the crossfire server. "
1480	. "I'll try to bring you back to the map you were before. "	1761	. "I'll try to bring you back to the map you were before. "
…		…
1537	on_reply => sub {	1818	on_reply => sub {
1538	my ($ns, $msg) = @_;	1819	my ($ns, $msg) = @_;
1539		1820
1540	# this weird shuffling is so that direct followup queries	1821	# this weird shuffling is so that direct followup queries
1541	# get handled first	1822	# get handled first
1542	my $queue = delete $ns->{query_queue};	1823	my $queue = delete $ns->{query_queue}
		1824	or return; # be conservative, not sure how that can happen, but we saw a crash here
1543		1825
1544	(shift @$queue)->[1]->($msg);	1826	(shift @$queue)->[1]->($msg);
1545		1827
1546	push @{ $ns->{query_queue} }, @$queue;	1828	push @{ $ns->{query_queue} }, @$queue;
1547		1829
…		…
1553	}	1835	}
1554	}	1836	}
1555	},	1837	},
1556	);	1838	);
1557		1839
1558	=item $client->coro (\&cb)	1840	=item $client->async (\&cb)
1559		1841
1560	Create a new coroutine, running the specified callback. The coroutine will	1842	Create a new coroutine, running the specified callback. The coroutine will
1561	be automatically cancelled when the client gets destroyed (e.g. on logout,	1843	be automatically cancelled when the client gets destroyed (e.g. on logout,
1562	or loss of connection).	1844	or loss of connection).
1563		1845
1564	=cut	1846	=cut
1565		1847
1566	sub cf::client::coro {	1848	sub cf::client::async {
1567	my ($self, $cb) = @_;	1849	my ($self, $cb) = @_;
1568		1850
1569	my $coro; $coro = async {	1851	my $coro = &Coro::async ($cb);
1570	eval {
1571	$cb->();
1572	};
1573	warn $@ if $@;
1574	};
1575		1852
1576	$coro->on_destroy (sub {	1853	$coro->on_destroy (sub {
1577	delete $self->{_coro}{$coro+0};	1854	delete $self->{_coro}{$coro+0};
1578	});	1855	});
1579		1856
…		…
1751		2028
1752	{	2029	{
1753	my $path = cf::localdir . "/database.pst";	2030	my $path = cf::localdir . "/database.pst";
1754		2031
1755	sub db_load() {	2032	sub db_load() {
1756	warn "loading database $path\n";#d# remove later
1757	$DB = stat $path ? Storable::retrieve $path : { };	2033	$DB = stat $path ? Storable::retrieve $path : { };
1758	}	2034	}
1759		2035
1760	my $pid;	2036	my $pid;
1761		2037
1762	sub db_save() {	2038	sub db_save() {
1763	warn "saving database $path\n";#d# remove later
1764	waitpid $pid, 0 if $pid;	2039	waitpid $pid, 0 if $pid;
1765	if (0 == ($pid = fork)) {	2040	if (0 == ($pid = fork)) {
1766	$DB->{_meta}{version} = 1;	2041	$DB->{_meta}{version} = 1;
1767	Storable::nstore $DB, "$path~";	2042	Storable::nstore $DB, "$path~";
1768	rename "$path~", $path;	2043	rename "$path~", $path;
…		…
1816	open my $fh, "<:utf8", cf::confdir . "/config"	2091	open my $fh, "<:utf8", cf::confdir . "/config"
1817	or return;	2092	or return;
1818		2093
1819	local $/;	2094	local $/;
1820	*CFG = YAML::Syck::Load <$fh>;	2095	*CFG = YAML::Syck::Load <$fh>;
		2096
		2097	$EMERGENCY_POSITION = $CFG{emergency_position} \|\| ["/world/world_105_115", 5, 37];
		2098
		2099	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2100	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2101
		2102	if (exists $CFG{mlockall}) {
		2103	eval {
		2104	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2105	and die "WARNING: m(un)lockall failed: $!\n";
		2106	};
		2107	warn $@ if $@;
		2108	}
1821	}	2109	}
1822		2110
1823	sub main {	2111	sub main {
1824	# we must not ever block the main coroutine	2112	# we must not ever block the main coroutine
1825	local $Coro::idle = sub {	2113	local $Coro::idle = sub {
1826	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2114	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1827	(Coro::unblock_sub {
1828	Event::one_event;	2115	async { Event::one_event };
1829	})->();
1830	};	2116	};
1831		2117
1832	cfg_load;	2118	cfg_load;
1833	db_load;	2119	db_load;
1834	load_extensions;	2120	load_extensions;
…		…
1845	return;	2131	return;
1846	}	2132	}
1847		2133
1848	warn "reloading...";	2134	warn "reloading...";
1849		2135
1850	local $FREEZE = 1;	2136	my $guard = freeze_mainloop;
1851	cf::emergency_save;	2137	cf::emergency_save;
1852		2138
1853	eval {	2139	eval {
1854	# if anything goes wrong in here, we should simply crash as we already saved	2140	# if anything goes wrong in here, we should simply crash as we already saved
1855		2141
…		…
1917	cf::load_extensions;	2203	cf::load_extensions;
1918		2204
1919	# reattach attachments to objects	2205	# reattach attachments to objects
1920	warn "reattach";	2206	warn "reattach";
1921	_global_reattach;	2207	_global_reattach;
		2208	reattach $_ for values %MAP;
1922	};	2209	};
1923		2210
1924	if ($@) {	2211	if ($@) {
1925	warn $@;	2212	warn $@;
1926	warn "error while reloading, exiting.";	2213	warn "error while reloading, exiting.";
…		…
1942	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";	2229	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1943	$LINK_MAP->in_memory (MAP_IN_MEMORY);	2230	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1944		2231
1945	# dirty hack because... archetypes are not yet loaded	2232	# dirty hack because... archetypes are not yet loaded
1946	Event->timer (	2233	Event->timer (
1947	after => 2,	2234	after => 10,
1948	cb => sub {	2235	cb => sub {
1949	$_[0]->w->cancel;	2236	$_[0]->w->cancel;
1950		2237
1951	# provide some exits "home"	2238	# provide some exits "home"
1952	my $exit = cf::object::new "exit";	2239	my $exit = cf::object::new "exit";
…		…
1991	reentrant => 0,	2278	reentrant => 0,
1992	prio => 0,	2279	prio => 0,
1993	at => $NEXT_TICK \|\| $TICK,	2280	at => $NEXT_TICK \|\| $TICK,
1994	data => WF_AUTOCANCEL,	2281	data => WF_AUTOCANCEL,
1995	cb => sub {	2282	cb => sub {
1996	unless ($FREEZE) {
1997	cf::server_tick; # one server iteration	2283	cf::server_tick; # one server iteration
1998	$RUNTIME += $TICK;	2284	$RUNTIME += $TICK;
1999	}
2000
2001	$NEXT_TICK += $TICK;	2285	$NEXT_TICK += $TICK;
2002		2286
2003	# if we are delayed by four ticks or more, skip them all	2287	# if we are delayed by four ticks or more, skip them all
2004	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2288	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2005		2289
…		…
2028	or warn "ERROR: unable to write runtime file: $!";	2312	or warn "ERROR: unable to write runtime file: $!";
2029	})->();	2313	})->();
2030	},	2314	},
2031	);	2315	);
2032		2316
		2317	END { cf::emergency_save }
		2318
2033	1	2319	1
2034		2320

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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 1.147 by root, Mon Jan 8 12:23:33 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 1.147 by root, Mon Jan 8 12:23:33 2007 UTC