[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 1.145 by root, Sun Jan 7 21:54:59 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3;	13	use Coro 3.3 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
20	use Digest::MD5;	20	use Digest::MD5;
21	use Fcntl;	21	use Fcntl;
22	use IO::AIO 2.31 ();	22	use IO::AIO 2.32 ();
23	use YAML::Syck ();	23	use YAML::Syck ();
24	use Time::HiRes;	24	use Time::HiRes;
25		25
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	26	use Event; $Event::Eval = 1; # no idea why this is required, but it is
27		27
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	29	$YAML::Syck::ImplicitUnicode = 1;
30		30
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		34
35	our %COMMAND = ();	35	our %COMMAND = ();
36	our %COMMAND_TIME = ();	36	our %COMMAND_TIME = ();
…		…
47	our %CFG;	47	our %CFG;
48		48
49	our $UPTIME; $UPTIME \|\|= time;	49	our $UPTIME; $UPTIME \|\|= time;
50	our $RUNTIME;	50	our $RUNTIME;
51		51
		52	our %PLAYER; # all users
52	our %MAP; # all maps	53	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	54	our $LINK_MAP; # the special {link} map
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	55	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	56	our %EXT_CORO; # coroutines bound to extensions
57		57
58	binmode STDOUT;	58	binmode STDOUT;
59	binmode STDERR;	59	binmode STDERR;
60		60
61	# read virtual server time, if available	61	# read virtual server time, if available
…		…
71	mkdir cf::localdir . "/" . cf::uniquedir;	71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	72	mkdir $RANDOM_MAPS;
73		73
74	# a special map that is always available	74	# a special map that is always available
75	our $LINK_MAP;	75	our $LINK_MAP;
76		76	our $EMERGENCY_POSITION;
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} \|\| ["/world/world_105_115", 5, 37];
78		77
79	#############################################################################	78	#############################################################################
80		79
81	=head2 GLOBAL VARIABLES	80	=head2 GLOBAL VARIABLES
82		81
…		…
181	sub to_json($) {	180	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	182	JSON::Syck::Dump $_[0]
184	}	183	}
185		184
		185	=item cf::lock_wait $string
		186
		187	Wait until the given lock is available. See cf::lock_acquire.
		188
		189	=item my $lock = cf::lock_acquire $string
		190
		191	Wait until the given lock is available and then acquires it and returns
		192	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		193	for example when the coroutine gets canceled), the lock is automatically
		194	returned.
		195
		196	Lock names should begin with a unique identifier (for example, cf::map::find
		197	uses map_find and cf::map::load uses map_load).
		198
		199	=cut
		200
		201	our %LOCK;
		202
		203	sub lock_wait($) {
		204	my ($key) = @_;
		205
		206	# wait for lock, if any
		207	while ($LOCK{$key}) {
		208	push @{ $LOCK{$key} }, $Coro::current;
		209	Coro::schedule;
		210	}
		211	}
		212
		213	sub lock_acquire($) {
		214	my ($key) = @_;
		215
		216	# wait, to be sure we are not locked
		217	lock_wait $key;
		218
		219	$LOCK{$key} = [];
		220
		221	Coro::guard {
		222	# wake up all waiters, to be on the safe side
		223	$_->ready for @{ delete $LOCK{$key} };
		224	}
		225	}
		226
		227	sub freeze_mainloop {
		228	return unless $TICK_WATCHER->is_active;
		229
		230	my $guard = Coro::guard { $TICK_WATCHER->start };
		231	$TICK_WATCHER->stop;
		232	$guard
		233	}
		234
		235	=item cf::async { BLOCK }
		236
		237	Currently the same as Coro::async_pool, meaning you cannot use
		238	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		239	thing you are allowed to do is call C<prio> on it.
		240
		241	=cut
		242
		243	BEGIN { *async = \&Coro::async_pool }
		244
186	=item cf::sync_job { BLOCK }	245	=item cf::sync_job { BLOCK }
187		246
188	The design of crossfire+ requires that the main coro ($Coro::main) is	247	The design of crossfire+ requires that the main coro ($Coro::main) is
189	always able to handle events or runnable, as crossfire+ is only partly	248	always able to handle events or runnable, as crossfire+ is only partly
190	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	249	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.
…		…
197	=cut	256	=cut
198		257
199	sub sync_job(&) {	258	sub sync_job(&) {
200	my ($job) = @_;	259	my ($job) = @_;
201		260
202	my $busy = 1;
203	my @res;
204
205	my $coro = Coro::async {
206	@res = eval { $job->() };
207	warn $@ if $@;
208	undef $busy;
209	};
210
211	if ($Coro::current == $Coro::main) {	261	if ($Coro::current == $Coro::main) {
		262	# this is the main coro, too bad, we have to block
		263	# till the operation succeeds, freezing the server :/
		264
212	# TODO: use suspend/resume instead	265	# TODO: use suspend/resume instead
213	local $FREEZE = 1;	266	# (but this is cancel-safe)
		267	my $freeze_guard = freeze_mainloop;
		268
		269	my $busy = 1;
		270	my @res;
		271
		272	(async {
		273	@res = eval { $job->() };
		274	warn $@ if $@;
		275	undef $busy;
214	$coro->prio (Coro::PRIO_MAX);	276	})->prio (Coro::PRIO_MAX);
		277
215	while ($busy) {	278	while ($busy) {
216	Coro::cede_notself;	279	Coro::cede or Event::one_event;
217	Event::one_event unless Coro::nready;
218	}	280	}
		281
		282	wantarray ? @res : $res[0]
219	} else {	283	} else {
220	$coro->join;	284	# we are in another coroutine, how wonderful, everything just works
		285
		286	$job->()
221	}	287	}
222
223	wantarray ? @res : $res[0]
224	}	288	}
225		289
226	=item $coro = cf::coro { BLOCK }	290	=item $coro = cf::async_ext { BLOCK }
227		291
228	Creates and returns a new coro. This coro is automcatially being canceled	292	Like async, but this coro is automcatially being canceled when the
229	when the extension calling this is being unloaded.	293	extension calling this is being unloaded.
230		294
231	=cut	295	=cut
232		296
233	sub coro(&) {	297	sub async_ext(&) {
234	my $cb = shift;	298	my $cb = shift;
235		299
236	my $coro; $coro = async {	300	my $coro = &Coro::async ($cb);
237	eval {
238	$cb->();
239	};
240	warn $@ if $@;
241	};
242		301
243	$coro->on_destroy (sub {	302	$coro->on_destroy (sub {
244	delete $EXT_CORO{$coro+0};	303	delete $EXT_CORO{$coro+0};
245	});	304	});
246	$EXT_CORO{$coro+0} = $coro;	305	$EXT_CORO{$coro+0} = $coro;
…		…
252	my $runtime = cf::localdir . "/runtime";	311	my $runtime = cf::localdir . "/runtime";
253		312
254	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644	313	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644
255	or return;	314	or return;
256		315
257	my $value = $cf::RUNTIME;	316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock
258	(aio_write $fh, 0, (length $value), $value, 0) <= 0	317	(aio_write $fh, 0, (length $value), $value, 0) <= 0
259	and return;	318	and return;
260		319
261	aio_fsync $fh	320	aio_fsync $fh
262	and return;	321	and return;
…		…
283		342
284	$path = $path->as_string if ref $path;	343	$path = $path->as_string if ref $path;
285		344
286	my $self = bless { }, $class;	345	my $self = bless { }, $class;
287		346
		347	# {... are special paths that are not touched
		348	# ?xxx/... are special absolute paths
		349	# ?random/... random maps
		350	# /! non-realised random map exit
		351	# /... normal maps
		352	# ~/... per-player maps without a specific player (DO NOT USE)
		353	# ~user/... per-player map of a specific user
		354
		355	if ($path =~ /^{/) {
		356	# fine as it is
288	if ($path =~ s{^\?random/}{}) {	357	} elsif ($path =~ s{^\?random/}{}) {
289	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;	358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
290	$self->{random} = cf::from_json $data;	359	$self->{random} = cf::from_json $data;
291	} else {	360	} else {
292	if ($path =~ s{^~([^/]+)?}{}) {	361	if ($path =~ s{^~([^/]+)?}{}) {
293	$self->{user_rel} = 1;	362	$self->{user_rel} = 1;
…		…
798	or return;	867	or return;
799		868
800	unless (aio_stat "$filename.pst") {	869	unless (aio_stat "$filename.pst") {
801	(aio_load "$filename.pst", $av) >= 0	870	(aio_load "$filename.pst", $av) >= 0
802	or return;	871	or return;
803	$av = eval { (Storable::thaw <$av>)->{objs} };	872	$av = eval { (Storable::thaw $av)->{objs} };
804	}	873	}
805		874
		875	warn sprintf "loading %s (%d)\n",
		876	$filename, length $data, scalar @{$av \|\| []};#d#
806	return ($data, $av);	877	return ($data, $av);
807	}	878	}
808		879
809	#############################################################################	880	#############################################################################
810	# command handling &c	881	# command handling &c
…		…
1001		1072
1002	=head2 CORE EXTENSIONS	1073	=head2 CORE EXTENSIONS
1003		1074
1004	Functions and methods that extend core crossfire objects.	1075	Functions and methods that extend core crossfire objects.
1005		1076
		1077	=cut
		1078
		1079	package cf::player;
		1080
1006	=head3 cf::player	1081	=head3 cf::player
1007		1082
1008	=over 4	1083	=over 4
1009		1084
1010	=item cf::player::exists $login	1085	=item cf::player::find $login
1011		1086
1012	Returns true when the given account exists.	1087	Returns the given player object, loading it if necessary (might block).
1013		1088
1014	=cut	1089	=cut
1015		1090
1016	sub cf::player::exists($) {	1091	sub playerdir($) {
1017	cf::player::find $_[0]	1092	cf::localdir
1018	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	1093	. "/"
		1094	. cf::playerdir
		1095	. "/"
		1096	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1097	}
		1098
		1099	sub path($) {
		1100	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1101
		1102	(playerdir $login) . "/$login.pl"
		1103	}
		1104
		1105	sub find_active($) {
		1106	$cf::PLAYER{$_[0]}
		1107	and $cf::PLAYER{$_[0]}->active
		1108	and $cf::PLAYER{$_[0]}
		1109	}
		1110
		1111	sub exists($) {
		1112	my ($login) = @_;
		1113
		1114	$cf::PLAYER{$login}
		1115	or cf::sync_job { !aio_stat $login }
		1116	}
		1117
		1118	sub find($) {
		1119	return $cf::PLAYER{$_[0]} \|\| do {
		1120	my $login = $_[0];
		1121
		1122	my $guard = cf::lock_acquire "user_find:$login";
		1123
		1124	$cf::PLAYER{$login} \|\|= (load_pl path $login or return);
		1125	};
		1126	}
		1127
		1128	sub save($) {
		1129	my ($pl) = @_;
		1130
		1131	return if $pl->{deny_save};
		1132
		1133	my $path = path $pl;
		1134	my $guard = cf::lock_acquire "user_save:$path";
		1135
		1136	return if $pl->{deny_save};
		1137	$pl->{last_save} = $cf::RUNTIME;
		1138
		1139	Coro::cede;
		1140	$pl->save_pl ($path);
		1141	Coro::cede;
		1142	}
		1143
		1144	sub new($) {
		1145	my ($login) = @_;
		1146
		1147	my $self = create;
		1148
		1149	$self->ob->name ($login);
		1150	$self->{deny_save} = 1;
		1151
		1152	$cf::PLAYER{$login} = $self;
		1153
		1154	$self
		1155	}
		1156
		1157	sub quit_character {
		1158	my ($pl) = @_;
		1159
		1160	$pl->{deny_save} = 1;
		1161	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1162
		1163	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1164	$pl->deactivate;
		1165	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1166	$pl->ns->destroy if $pl->ns;
		1167
		1168	my $path = playerdir $pl;
		1169	my $temp = "$path~$cf::RUNTIME~deleting~";
		1170	IO::AIO::aio_rename $path, $temp, sub {
		1171	delete $cf::PLAYER{$pl->ob->name};
		1172	$pl->destroy;
		1173
		1174	IO::AIO::aio_rmtree $temp;
		1175	};
1019	}	1176	}
1020		1177
1021	=item $player->ext_reply ($msgid, $msgtype, %msg)	1178	=item $player->ext_reply ($msgid, $msgtype, %msg)
1022		1179
1023	Sends an ext reply to the player.	1180	Sends an ext reply to the player.
1024		1181
1025	=cut	1182	=cut
1026		1183
1027	sub cf::player::ext_reply($$$%) {	1184	sub ext_reply($$$%) {
1028	my ($self, $id, %msg) = @_;	1185	my ($self, $id, %msg) = @_;
1029		1186
1030	$msg{msgid} = $id;	1187	$msg{msgid} = $id;
1031		1188
1032	$self->send ("ext " . to_json \%msg);	1189	$self->send ("ext " . cf::to_json \%msg);
1033	}	1190	}
		1191
		1192	package cf;
1034		1193
1035	=back	1194	=back
1036		1195
1037		1196
1038	=head3 cf::map	1197	=head3 cf::map
…		…
1044	package cf::map;	1203	package cf::map;
1045		1204
1046	use Fcntl;	1205	use Fcntl;
1047	use Coro::AIO;	1206	use Coro::AIO;
1048		1207
1049	our $MAX_RESET = 7200;	1208	our $MAX_RESET = 3600;
1050	our $DEFAULT_RESET = 3600;	1209	our $DEFAULT_RESET = 3000;
1051	$MAX_RESET = 10;#d#
1052	$DEFAULT_RESET = 10;#d#
1053		1210
1054	sub generate_random_map {	1211	sub generate_random_map {
1055	my ($path, $rmp) = @_;	1212	my ($path, $rmp) = @_;
1056		1213
1057	# mit "rum" bekleckern, nicht	1214	# mit "rum" bekleckern, nicht
…		…
1073	# and all this just because we cannot iterate over	1230	# and all this just because we cannot iterate over
1074	# all maps in C++...	1231	# all maps in C++...
1075	sub change_all_map_light {	1232	sub change_all_map_light {
1076	my ($change) = @_;	1233	my ($change) = @_;
1077		1234
1078	$_->change_map_light ($change) for values %cf::MAP;	1235	$_->change_map_light ($change)
		1236	for grep $_->outdoor, values %cf::MAP;
1079	}	1237	}
1080		1238
1081	sub try_load_header($) {	1239	sub try_load_header($) {
1082	my ($path) = @_;	1240	my ($path) = @_;
1083		1241
…		…
1086	or return;	1244	or return;
1087		1245
1088	my $map = cf::map::new	1246	my $map = cf::map::new
1089	or return;	1247	or return;
1090		1248
		1249	# for better error messages only, will be overwritten
		1250	$map->path ($path);
		1251
1091	$map->load_header ($path)	1252	$map->load_header ($path)
1092	or return;	1253	or return;
1093		1254
1094	$map->{load_path} = $path;	1255	$map->{load_path} = $path;
1095	use Data::Dumper; warn Dumper $map;#d#
1096		1256
1097	$map	1257	$map
1098	}	1258	}
1099		1259
		1260	sub find;
1100	sub find_map {	1261	sub find {
1101	my ($path, $origin) = @_;	1262	my ($path, $origin) = @_;
1102		1263
1103	#warn "find_map<$path,$origin>\n";#d#	1264	#warn "find<$path,$origin>\n";#d#
1104		1265
1105	$path = ref $path ? $path : new cf::path $path, $origin && $origin->path;	1266	$path = new cf::path $path, $origin && $origin->path;
1106	my $key = $path->as_string;	1267	my $key = $path->as_string;
1107		1268
		1269	cf::lock_wait "map_find:$key";
		1270
1108	$cf::MAP{$key} \|\| do {	1271	$cf::MAP{$key} \|\| do {
		1272	my $guard = cf::lock_acquire "map_find:$key";
		1273
1109	# do it the slow way	1274	# do it the slow way
1110	my $map = try_load_header $path->save_path;	1275	my $map = try_load_header $path->save_path;
1111		1276
		1277	Coro::cede;
		1278
1112	if ($map) {	1279	if ($map) {
		1280	$map->last_access ((delete $map->{last_access})
		1281	\|\| $cf::RUNTIME); #d#
1113	# safety	1282	# safety
1114	$map->{instantiate_time} = $cf::RUNTIME	1283	$map->{instantiate_time} = $cf::RUNTIME
1115	if $map->{instantiate_time} > $cf::RUNTIME;	1284	if $map->{instantiate_time} > $cf::RUNTIME;
1116	} else {	1285	} else {
1117	if (my $rmp = $path->random_map_params) {	1286	if (my $rmp = $path->random_map_params) {
…		…
1122		1291
1123	$map or return;	1292	$map or return;
1124		1293
1125	$map->{load_original} = 1;	1294	$map->{load_original} = 1;
1126	$map->{instantiate_time} = $cf::RUNTIME;	1295	$map->{instantiate_time} = $cf::RUNTIME;
		1296	$map->last_access ($cf::RUNTIME);
1127	$map->instantiate;	1297	$map->instantiate;
1128		1298
1129	# per-player maps become, after loading, normal maps	1299	# per-player maps become, after loading, normal maps
1130	$map->per_player (0) if $path->{user_rel};	1300	$map->per_player (0) if $path->{user_rel};
1131	}	1301	}
1132		1302
1133	$map->path ($key);	1303	$map->path ($key);
1134	$map->{path} = $path;	1304	$map->{path} = $path;
1135	$map->last_access ($cf::RUNTIME);	1305	$map->{last_save} = $cf::RUNTIME;
1136		1306
		1307	Coro::cede;
		1308
1137	$map->reset if $map->should_reset;	1309	if ($map->should_reset) {
		1310	$map->reset;
		1311	undef $guard;
		1312	$map = find $path
		1313	or return;
		1314	}
1138		1315
1139	$cf::MAP{$key} = $map	1316	$cf::MAP{$key} = $map
1140	}	1317	}
1141	}	1318	}
1142		1319
1143	sub load {	1320	sub load {
1144	my ($self) = @_;	1321	my ($self) = @_;
1145		1322
		1323	my $path = $self->{path};
		1324	my $guard = cf::lock_acquire "map_load:" . $path->as_string;
		1325
1146	return if $self->in_memory != cf::MAP_SWAPPED;	1326	return if $self->in_memory != cf::MAP_SWAPPED;
1147		1327
1148	$self->in_memory (cf::MAP_LOADING);	1328	$self->in_memory (cf::MAP_LOADING);
1149
1150	my $path = $self->{path};
1151		1329
1152	$self->alloc;	1330	$self->alloc;
1153	$self->load_objects ($self->{load_path}, 1)	1331	$self->load_objects ($self->{load_path}, 1)
1154	or return;	1332	or return;
1155		1333
1156	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) if delete $self->{load_original};	1334	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1335	if delete $self->{load_original};
1157		1336
1158	if (my $uniq = $path->uniq_path) {	1337	if (my $uniq = $path->uniq_path) {
1159	utf8::encode $uniq;	1338	utf8::encode $uniq;
1160	if (aio_open $uniq, O_RDONLY, 0) {	1339	if (aio_open $uniq, O_RDONLY, 0) {
1161	$self->clear_unique_items;	1340	$self->clear_unique_items;
1162	$self->load_objects ($uniq, 0);	1341	$self->load_objects ($uniq, 0);
1163	}	1342	}
1164	}	1343	}
		1344
		1345	Coro::cede;
1165		1346
1166	# now do the right thing for maps	1347	# now do the right thing for maps
1167	$self->link_multipart_objects;	1348	$self->link_multipart_objects;
1168		1349
1169	if ($self->{path}->is_style_map) {	1350	if ($self->{path}->is_style_map) {
…		…
1177	$self->difficulty ($self->estimate_difficulty)	1358	$self->difficulty ($self->estimate_difficulty)
1178	unless $self->difficulty;	1359	unless $self->difficulty;
1179	$self->activate;	1360	$self->activate;
1180	}	1361	}
1181		1362
		1363	Coro::cede;
		1364
1182	$self->in_memory (cf::MAP_IN_MEMORY);	1365	$self->in_memory (cf::MAP_IN_MEMORY);
1183	}	1366	}
1184		1367
1185	sub load_map_sync {	1368	sub find_sync {
1186	my ($path, $origin) = @_;	1369	my ($path, $origin) = @_;
1187		1370
1188	#warn "load_map_sync<$path, $origin>\n";#d#	1371	cf::sync_job { cf::map::find $path, $origin }
		1372	}
1189		1373
1190	cf::sync_job {	1374	sub do_load_sync {
1191	my $map = cf::map::find_map $path, $origin	1375	my ($map) = @_;
1192	or return;	1376
1193	$map->load;	1377	cf::sync_job { $map->load };
1194	$map
1195	}
1196	}	1378	}
1197		1379
1198	sub save {	1380	sub save {
1199	my ($self) = @_;	1381	my ($self) = @_;
1200		1382
		1383	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1384
		1385	$self->{last_save} = $cf::RUNTIME;
		1386
		1387	return unless $self->dirty;
		1388
1201	my $save = $self->{path}->save_path; utf8::encode $save;	1389	my $save = $self->{path}->save_path; utf8::encode $save;
1202	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1390	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1203		1391
1204	$self->{last_save} = $cf::RUNTIME;
1205
1206	return unless $self->dirty;
1207
1208	$self->{load_path} = $save;	1392	$self->{load_path} = $save;
1209		1393
1210	return if $self->{deny_save};	1394	return if $self->{deny_save};
1211		1395
1212	warn "saving map ", $self->path;	1396	local $self->{last_access} = $self->last_access;#d#
		1397
		1398	cf::async {
		1399	$_->contr->save for $self->players;
		1400	};
1213		1401
1214	if ($uniq) {	1402	if ($uniq) {
1215	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);	1403	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);
1216	$self->save_objects ($uniq, cf::IO_UNIQUES);	1404	$self->save_objects ($uniq, cf::IO_UNIQUES);
1217	} else {	1405	} else {
…		…
1220	}	1408	}
1221		1409
1222	sub swap_out {	1410	sub swap_out {
1223	my ($self) = @_;	1411	my ($self) = @_;
1224		1412
		1413	# save first because save cedes
		1414	$self->save;
		1415
		1416	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1417
1225	return if $self->players;	1418	return if $self->players;
1226	return if $self->in_memory != cf::MAP_IN_MEMORY;	1419	return if $self->in_memory != cf::MAP_IN_MEMORY;
1227	return if $self->{deny_save};	1420	return if $self->{deny_save};
1228		1421
1229	$self->save;
1230	$self->clear;	1422	$self->clear;
1231	$self->in_memory (cf::MAP_SWAPPED);	1423	$self->in_memory (cf::MAP_SWAPPED);
1232	}	1424	}
1233		1425
		1426	sub reset_at {
		1427	my ($self) = @_;
		1428
		1429	# TODO: safety, remove and allow resettable per-player maps
		1430	return 1e99 if $self->{path}{user_rel};
		1431	return 1e99 if $self->{deny_reset};
		1432
		1433	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1434	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;
		1435
		1436	$time + $to
		1437	}
		1438
1234	sub should_reset {	1439	sub should_reset {
1235	my ($map) = @_;	1440	my ($self) = @_;
1236		1441
1237	# TODO: safety, remove and allow resettable per-player maps	1442	$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 < $cf::RUNTIME
1247	}	1443	}
1248		1444
1249	sub unlink_save {	1445	sub unlink_save {
1250	my ($self) = @_;	1446	my ($self) = @_;
1251		1447
1252	utf8::encode (my $save = $self->{path}->save_path);	1448	utf8::encode (my $save = $self->{path}->save_path);
1253	aioreq_pri 3; IO::AIO::aio_unlink $save;	1449	aioreq_pri 3; IO::AIO::aio_unlink $save;
1254	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";	1450	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1255	}	1451	}
1256		1452
		1453	sub rename {
		1454	my ($self, $new_path) = @_;
		1455
		1456	$self->unlink_save;
		1457
		1458	delete $cf::MAP{$self->path};
		1459	$self->{path} = new cf::path $new_path;
		1460	$self->path ($self->{path}->as_string);
		1461	$cf::MAP{$self->path} = $self;
		1462
		1463	$self->save;
		1464	}
		1465
1257	sub reset {	1466	sub reset {
1258	my ($self) = @_;	1467	my ($self) = @_;
1259		1468
		1469	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1470
1260	return if $self->players;	1471	return if $self->players;
1261	return if $self->{path}{user_rel};#d#	1472	return if $self->{path}{user_rel};#d#
1262		1473
1263	warn "resetting map ", $self->path;#d#	1474	warn "resetting map ", $self->path;#d#
1264		1475
…		…
1268		1479
1269	$self->unlink_save;	1480	$self->unlink_save;
1270	$self->destroy;	1481	$self->destroy;
1271	}	1482	}
1272		1483
		1484	my $nuke_counter = "aaaa";
		1485
		1486	sub nuke {
		1487	my ($self) = @_;
		1488
		1489	$self->{deny_save} = 1;
		1490	$self->reset_timeout (1);
		1491	$self->rename ("{nuke}/" . ($nuke_counter++));
		1492	$self->reset; # polite request, might not happen
		1493	}
		1494
1273	sub customise_for {	1495	sub customise_for {
1274	my ($map, $ob) = @_;	1496	my ($map, $ob) = @_;
1275		1497
1276	if ($map->per_player) {	1498	if ($map->per_player) {
1277	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1499	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1278	}	1500	}
1279		1501
1280	$map	1502	$map
1281	}	1503	}
1282		1504
1283	sub emergency_save {	1505	sub emergency_save {
1284	local $cf::FREEZE = 1;	1506	my $freeze_guard = cf::freeze_mainloop;
1285		1507
1286	warn "enter emergency map save\n";	1508	warn "enter emergency perl save\n";
1287		1509
1288	cf::sync_job {	1510	cf::sync_job {
		1511	warn "begin emergency player save\n";
		1512	$_->save for values %cf::PLAYER;
		1513	warn "end emergency player save\n";
		1514
1289	warn "begin emergency map save\n";	1515	warn "begin emergency map save\n";
1290	$_->save for values %cf::MAP;	1516	$_->save for values %cf::MAP;
		1517	warn "end emergency map save\n";
1291	};	1518	};
1292		1519
1293	warn "end emergency map save\n";	1520	warn "leave emergency perl save\n";
1294	}	1521	}
1295		1522
1296	package cf;	1523	package cf;
1297		1524
1298	=back	1525	=back
…		…
1340	(ref $cf::CFG{"may_$access"}	1567	(ref $cf::CFG{"may_$access"}
1341	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1568	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1342	: $cf::CFG{"may_$access"})	1569	: $cf::CFG{"may_$access"})
1343	}	1570	}
1344		1571
		1572	=item $player_object->enter_link
		1573
		1574	Freezes the player and moves him/her to a special map (C<{link}>).
		1575
		1576	The player should be reaosnably safe there for short amounts of time. You
		1577	I<MUST> call C<leave_link> as soon as possible, though.
		1578
		1579	=item $player_object->leave_link ($map, $x, $y)
		1580
		1581	Moves the player out of the specila link map onto the given map. If the
		1582	map is not valid (or omitted), the player will be moved back to the
		1583	location he/she was before the call to C<enter_link>, or, if that fails,
		1584	to the emergency map position.
		1585
		1586	Might block.
		1587
		1588	=cut
		1589
1345	sub cf::object::player::enter_link {	1590	sub cf::object::player::enter_link {
1346	my ($self) = @_;	1591	my ($self) = @_;
1347		1592
		1593	$self->deactivate_recursive;
		1594
1348	return if $self->map == $LINK_MAP;	1595	return if $self->map == $LINK_MAP;
1349		1596
1350	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1597	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]
1351	if $self->map;	1598	if $self->map;
1352		1599
1353	$self->enter_map ($LINK_MAP, 20, 20);	1600	$self->enter_map ($LINK_MAP, 20, 20);
1354	$self->deactivate_recursive;
1355	}	1601	}
1356		1602
1357	sub cf::object::player::leave_link {	1603	sub cf::object::player::leave_link {
1358	my ($self, $map, $x, $y) = @_;	1604	my ($self, $map, $x, $y) = @_;
1359		1605
1360	my $link_pos = delete $self->{_link_pos};	1606	my $link_pos = delete $self->{_link_pos};
1361		1607
1362	unless ($map) {	1608	unless ($map) {
1363	$self->message ("The exit is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
1364
1365	# restore original map position	1609	# restore original map position
1366	($map, $x, $y) = @{ $link_pos \|\| [] };	1610	($map, $x, $y) = @{ $link_pos \|\| [] };
1367	$map = cf::map::find_map $map;	1611	$map = cf::map::find $map;
1368		1612
1369	unless ($map) {	1613	unless ($map) {
1370	($map, $x, $y) = @$EMERGENCY_POSITION;	1614	($map, $x, $y) = @$EMERGENCY_POSITION;
1371	$map = cf::map::find_map $map	1615	$map = cf::map::find $map
1372	or die "FATAL: cannot load emergency map\n";	1616	or die "FATAL: cannot load emergency map\n";
1373	}	1617	}
1374	}	1618	}
1375		1619
1376	($x, $y) = (-1, -1)	1620	($x, $y) = (-1, -1)
…		…
1380	($x, $y) = ($map->enter_x, $map->enter_y)	1624	($x, $y) = ($map->enter_x, $map->enter_y)
1381	if $x <=0 && $y <= 0;	1625	if $x <=0 && $y <= 0;
1382		1626
1383	$map->load;	1627	$map->load;
1384		1628
		1629	return unless $self->contr->active;
1385	$self->activate_recursive;	1630	$self->activate_recursive;
1386	$self->enter_map ($map, $x, $y);	1631	$self->enter_map ($map, $x, $y);
1387	}	1632	}
1388		1633
		1634	cf::player->attach (
		1635	on_logout => sub {
		1636	my ($pl) = @_;
		1637
		1638	# abort map switching before logout
		1639	if ($pl->ob->{_link_pos}) {
		1640	cf::sync_job {
		1641	$pl->ob->leave_link
		1642	};
		1643	}
		1644	},
		1645	on_login => sub {
		1646	my ($pl) = @_;
		1647
		1648	# try to abort aborted map switching on player login :)
		1649	# should happen only on crashes
		1650	if ($pl->ob->{_link_pos}) {
		1651	$pl->ob->enter_link;
		1652	(async {
		1653	# we need this sleep as the login has a concurrent enter_exit running
		1654	# and this sleep increases chances of the player not ending up in scorn
		1655	$pl->ob->reply (undef,
		1656	"There was an internal problem at your last logout, "
		1657	. "the server will try to bring you to your intended destination in a second.",
		1658	cf::NDI_RED);
		1659	Coro::Timer::sleep 1;
		1660	$pl->ob->leave_link;
		1661	})->prio (2);
		1662	}
		1663	},
		1664	);
		1665
1389	=item $player_object->goto_map ($map, $x, $y)	1666	=item $player_object->goto ($path, $x, $y)
1390		1667
1391	=cut	1668	=cut
1392		1669
1393	sub cf::object::player::goto_map {	1670	sub cf::object::player::goto {
1394	my ($self, $path, $x, $y) = @_;	1671	my ($self, $path, $x, $y) = @_;
1395		1672
1396	$self->enter_link;	1673	$self->enter_link;
1397		1674
1398	(Coro::async {	1675	(async {
1399	$path = new cf::path $path;	1676	$path = new cf::path $path;
1400		1677
1401	my $map = cf::map::find_map $path->as_string;	1678	my $map = cf::map::find $path->as_string;
1402	$map = $map->customise_for ($self) if $map;	1679	$map = $map->customise_for ($self) if $map;
1403		1680
1404	warn "entering ", $map->path, " at ($x, $y)\n"	1681	# warn "entering ", $map->path, " at ($x, $y)\n"
1405	if $map;	1682	# if $map;
		1683
		1684	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
1406		1685
1407	$self->leave_link ($map, $x, $y);	1686	$self->leave_link ($map, $x, $y);
1408	})->prio (1);	1687	})->prio (1);
1409	}	1688	}
1410		1689
…		…
1463		1742
1464	return unless $self->type == cf::PLAYER;	1743	return unless $self->type == cf::PLAYER;
1465		1744
1466	$self->enter_link;	1745	$self->enter_link;
1467		1746
1468	(Coro::async {	1747	(async {
		1748	$self->deactivate_recursive; # just to be sure
1469	unless (eval {	1749	unless (eval {
1470
1471	prepare_random_map $exit	1750	prepare_random_map $exit
1472	if $exit->slaying eq "/!";	1751	if $exit->slaying eq "/!";
1473		1752
1474	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1753	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1475	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1754	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1476		1755
1477	1;	1756	1;
1478	}) {	1757	}) {
1479	$self->message ("Something went wrong deep within the crossfire server. "	1758	$self->message ("Something went wrong deep within the crossfire server. "
1480	. "I'll try to bring you back to the map you were before. "	1759	. "I'll try to bring you back to the map you were before. "
…		…
1537	on_reply => sub {	1816	on_reply => sub {
1538	my ($ns, $msg) = @_;	1817	my ($ns, $msg) = @_;
1539		1818
1540	# this weird shuffling is so that direct followup queries	1819	# this weird shuffling is so that direct followup queries
1541	# get handled first	1820	# get handled first
1542	my $queue = delete $ns->{query_queue};	1821	my $queue = delete $ns->{query_queue}
		1822	or return; # be conservative, not sure how that can happen, but we saw a crash here
1543		1823
1544	(shift @$queue)->[1]->($msg);	1824	(shift @$queue)->[1]->($msg);
1545		1825
1546	push @{ $ns->{query_queue} }, @$queue;	1826	push @{ $ns->{query_queue} }, @$queue;
1547		1827
…		…
1553	}	1833	}
1554	}	1834	}
1555	},	1835	},
1556	);	1836	);
1557		1837
1558	=item $client->coro (\&cb)	1838	=item $client->async (\&cb)
1559		1839
1560	Create a new coroutine, running the specified callback. The coroutine will	1840	Create a new coroutine, running the specified callback. The coroutine will
1561	be automatically cancelled when the client gets destroyed (e.g. on logout,	1841	be automatically cancelled when the client gets destroyed (e.g. on logout,
1562	or loss of connection).	1842	or loss of connection).
1563		1843
1564	=cut	1844	=cut
1565		1845
1566	sub cf::client::coro {	1846	sub cf::client::async {
1567	my ($self, $cb) = @_;	1847	my ($self, $cb) = @_;
1568		1848
1569	my $coro; $coro = async {	1849	my $coro = &Coro::async ($cb);
1570	eval {
1571	$cb->();
1572	};
1573	warn $@ if $@;
1574	};
1575		1850
1576	$coro->on_destroy (sub {	1851	$coro->on_destroy (sub {
1577	delete $self->{_coro}{$coro+0};	1852	delete $self->{_coro}{$coro+0};
1578	});	1853	});
1579		1854
…		…
1751		2026
1752	{	2027	{
1753	my $path = cf::localdir . "/database.pst";	2028	my $path = cf::localdir . "/database.pst";
1754		2029
1755	sub db_load() {	2030	sub db_load() {
1756	warn "loading database $path\n";#d# remove later
1757	$DB = stat $path ? Storable::retrieve $path : { };	2031	$DB = stat $path ? Storable::retrieve $path : { };
1758	}	2032	}
1759		2033
1760	my $pid;	2034	my $pid;
1761		2035
1762	sub db_save() {	2036	sub db_save() {
1763	warn "saving database $path\n";#d# remove later
1764	waitpid $pid, 0 if $pid;	2037	waitpid $pid, 0 if $pid;
1765	if (0 == ($pid = fork)) {	2038	if (0 == ($pid = fork)) {
1766	$DB->{_meta}{version} = 1;	2039	$DB->{_meta}{version} = 1;
1767	Storable::nstore $DB, "$path~";	2040	Storable::nstore $DB, "$path~";
1768	rename "$path~", $path;	2041	rename "$path~", $path;
…		…
1816	open my $fh, "<:utf8", cf::confdir . "/config"	2089	open my $fh, "<:utf8", cf::confdir . "/config"
1817	or return;	2090	or return;
1818		2091
1819	local $/;	2092	local $/;
1820	*CFG = YAML::Syck::Load <$fh>;	2093	*CFG = YAML::Syck::Load <$fh>;
		2094
		2095	$EMERGENCY_POSITION = $CFG{emergency_position} \|\| ["/world/world_105_115", 5, 37];
		2096
		2097	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2098	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2099
		2100	if (exists $CFG{mlockall}) {
		2101	eval {
		2102	$CFG{mlockall} ? &mlockall : &munlockall
		2103	and die "WARNING: m(un)lockall failed: $!\n";
		2104	};
		2105	warn $@ if $@;
		2106	}
1821	}	2107	}
1822		2108
1823	sub main {	2109	sub main {
1824	# we must not ever block the main coroutine	2110	# we must not ever block the main coroutine
1825	local $Coro::idle = sub {	2111	local $Coro::idle = sub {
1826	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2112	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1827	(Coro::unblock_sub {
1828	Event::one_event;	2113	async { Event::one_event };
1829	})->();
1830	};	2114	};
1831		2115
1832	cfg_load;	2116	cfg_load;
1833	db_load;	2117	db_load;
1834	load_extensions;	2118	load_extensions;
…		…
1845	return;	2129	return;
1846	}	2130	}
1847		2131
1848	warn "reloading...";	2132	warn "reloading...";
1849		2133
1850	local $FREEZE = 1;	2134	my $guard = freeze_mainloop;
1851	cf::emergency_save;	2135	cf::emergency_save;
1852		2136
1853	eval {	2137	eval {
1854	# if anything goes wrong in here, we should simply crash as we already saved	2138	# if anything goes wrong in here, we should simply crash as we already saved
1855		2139
…		…
1917	cf::load_extensions;	2201	cf::load_extensions;
1918		2202
1919	# reattach attachments to objects	2203	# reattach attachments to objects
1920	warn "reattach";	2204	warn "reattach";
1921	_global_reattach;	2205	_global_reattach;
		2206	reattach $_ for values %MAP;
1922	};	2207	};
1923		2208
1924	if ($@) {	2209	if ($@) {
1925	warn $@;	2210	warn $@;
1926	warn "error while reloading, exiting.";	2211	warn "error while reloading, exiting.";
…		…
1942	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";	2227	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1943	$LINK_MAP->in_memory (MAP_IN_MEMORY);	2228	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1944		2229
1945	# dirty hack because... archetypes are not yet loaded	2230	# dirty hack because... archetypes are not yet loaded
1946	Event->timer (	2231	Event->timer (
1947	after => 2,	2232	after => 10,
1948	cb => sub {	2233	cb => sub {
1949	$_[0]->w->cancel;	2234	$_[0]->w->cancel;
1950		2235
1951	# provide some exits "home"	2236	# provide some exits "home"
1952	my $exit = cf::object::new "exit";	2237	my $exit = cf::object::new "exit";
…		…
1991	reentrant => 0,	2276	reentrant => 0,
1992	prio => 0,	2277	prio => 0,
1993	at => $NEXT_TICK \|\| $TICK,	2278	at => $NEXT_TICK \|\| $TICK,
1994	data => WF_AUTOCANCEL,	2279	data => WF_AUTOCANCEL,
1995	cb => sub {	2280	cb => sub {
1996	unless ($FREEZE) {
1997	cf::server_tick; # one server iteration	2281	cf::server_tick; # one server iteration
1998	$RUNTIME += $TICK;	2282	$RUNTIME += $TICK;
1999	}
2000
2001	$NEXT_TICK += $TICK;	2283	$NEXT_TICK += $TICK;
2002		2284
2003	# if we are delayed by four ticks or more, skip them all	2285	# if we are delayed by four ticks or more, skip them all
2004	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2286	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2005		2287
…		…
2028	or warn "ERROR: unable to write runtime file: $!";	2310	or warn "ERROR: unable to write runtime file: $!";
2029	})->();	2311	})->();
2030	},	2312	},
2031	);	2313	);
2032		2314
		2315	END { cf::emergency_save }
		2316
2033	1	2317	1
2034		2318

Diff Legend

-–
+Removed lines
-+
+Added lines
-<
+Changed lines
->
+Changed lines

Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.111 by root, Mon Jan 1 12:28:47 2007 UTC vs. Revision 1.145 by root, Sun Jan 7 21:54:59 2007 UTC

Diff Legend

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.111 by root, Mon Jan 1 12:28:47 2007 UTC vs.
Revision 1.145 by root, Sun Jan 7 21:54:59 2007 UTC