[ViewVC] Diff of: cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.113 by root, Mon Jan 1 15:32:40 2007 UTC vs.
Revision 1.150 by root, Mon Jan 8 19:25:53 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.
…		…
203	# this is the main coro, too bad, we have to block	262	# this is the main coro, too bad, we have to block
204	# till the operation succeeds, freezing the server :/	263	# till the operation succeeds, freezing the server :/
205		264
206	# TODO: use suspend/resume instead	265	# TODO: use suspend/resume instead
207	# (but this is cancel-safe)	266	# (but this is cancel-safe)
208	local $FREEZE = 1;	267	my $freeze_guard = freeze_mainloop;
209		268
210	my $busy = 1;	269	my $busy = 1;
211	my @res;	270	my @res;
212		271
213	(Coro::async {	272	(async {
214	@res = eval { $job->() };	273	@res = eval { $job->() };
215	warn $@ if $@;	274	warn $@ if $@;
216	undef $busy;	275	undef $busy;
217	})->prio (Coro::PRIO_MAX);	276	})->prio (Coro::PRIO_MAX);
218		277
219	while ($busy) {	278	while ($busy) {
220	Coro::cede_notself;	279	Coro::cede or Event::one_event;
221	Event::one_event unless Coro::nready;
222	}	280	}
223		281
224	wantarray ? @res : $res[0]	282	wantarray ? @res : $res[0]
225	} else {	283	} else {
226	# we are in another coroutine, how wonderful, everything just works	284	# we are in another coroutine, how wonderful, everything just works
227		285
228	$job->()	286	$job->()
229	}	287	}
230	}	288	}
231		289
232	=item $coro = cf::coro { BLOCK }	290	=item $coro = cf::async_ext { BLOCK }
233		291
234	Creates and returns a new coro. This coro is automcatially being canceled	292	Like async, but this coro is automcatially being canceled when the
235	when the extension calling this is being unloaded.	293	extension calling this is being unloaded.
236		294
237	=cut	295	=cut
238		296
239	sub coro(&) {	297	sub async_ext(&) {
240	my $cb = shift;	298	my $cb = shift;
241		299
242	my $coro; $coro = async {	300	my $coro = &Coro::async ($cb);
243	eval {
244	$cb->();
245	};
246	warn $@ if $@;
247	};
248		301
249	$coro->on_destroy (sub {	302	$coro->on_destroy (sub {
250	delete $EXT_CORO{$coro+0};	303	delete $EXT_CORO{$coro+0};
251	});	304	});
252	$EXT_CORO{$coro+0} = $coro;	305	$EXT_CORO{$coro+0} = $coro;
…		…
289		342
290	$path = $path->as_string if ref $path;	343	$path = $path->as_string if ref $path;
291		344
292	my $self = bless { }, $class;	345	my $self = bless { }, $class;
293		346
		347	# {... are special paths that are not touched
		348	# ?xxx/... are special absolute paths
		349	# ?random/... random maps
		350	# /! non-realised random map exit
		351	# /... normal maps
		352	# ~/... per-player maps without a specific player (DO NOT USE)
		353	# ~user/... per-player map of a specific user
		354
		355	if ($path =~ /^{/) {
		356	# fine as it is
294	if ($path =~ s{^\?random/}{}) {	357	} elsif ($path =~ s{^\?random/}{}) {
295	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;	358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
296	$self->{random} = cf::from_json $data;	359	$self->{random} = cf::from_json $data;
297	} else {	360	} else {
298	if ($path =~ s{^~([^/]+)?}{}) {	361	if ($path =~ s{^~([^/]+)?}{}) {
299	$self->{user_rel} = 1;	362	$self->{user_rel} = 1;
…		…
807	(aio_load "$filename.pst", $av) >= 0	870	(aio_load "$filename.pst", $av) >= 0
808	or return;	871	or return;
809	$av = eval { (Storable::thaw $av)->{objs} };	872	$av = eval { (Storable::thaw $av)->{objs} };
810	}	873	}
811		874
		875	warn sprintf "loading %s (%d)\n",
		876	$filename, length $data, scalar @{$av \|\| []};#d#
812	return ($data, $av);	877	return ($data, $av);
813	}	878	}
814		879
815	#############################################################################	880	#############################################################################
816	# command handling &c	881	# command handling &c
…		…
1007		1072
1008	=head2 CORE EXTENSIONS	1073	=head2 CORE EXTENSIONS
1009		1074
1010	Functions and methods that extend core crossfire objects.	1075	Functions and methods that extend core crossfire objects.
1011		1076
		1077	=cut
		1078
		1079	package cf::player;
		1080
1012	=head3 cf::player	1081	=head3 cf::player
1013		1082
1014	=over 4	1083	=over 4
1015		1084
1016	=item cf::player::exists $login	1085	=item cf::player::find $login
1017		1086
1018	Returns true when the given account exists.	1087	Returns the given player object, loading it if necessary (might block).
1019		1088
1020	=cut	1089	=cut
1021		1090
1022	sub cf::player::exists($) {	1091	sub playerdir($) {
1023	cf::player::find $_[0]	1092	cf::localdir
1024	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[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	Coro::AIO::aio_mkdir playerdir $pl, 0770;
		1139	$pl->{last_save} = $cf::RUNTIME;
		1140
		1141	$pl->save_pl ($path);
		1142	Coro::cede;
		1143	}
		1144
		1145	sub new($) {
		1146	my ($login) = @_;
		1147
		1148	my $self = create;
		1149
		1150	$self->ob->name ($login);
		1151	$self->{deny_save} = 1;
		1152
		1153	$cf::PLAYER{$login} = $self;
		1154
		1155	$self
		1156	}
		1157
		1158	sub quit_character {
		1159	my ($pl) = @_;
		1160
		1161	$pl->{deny_save} = 1;
		1162	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1163
		1164	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1165	$pl->deactivate;
		1166	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1167	$pl->ns->destroy if $pl->ns;
		1168
		1169	my $path = playerdir $pl;
		1170	my $temp = "$path~$cf::RUNTIME~deleting~";
		1171	Coro::AIO::aio_rename $path, $temp;
		1172	delete $cf::PLAYER{$pl->ob->name};
		1173	$pl->destroy;
		1174	IO::AIO::aio_rmtree $temp;
1025	}	1175	}
1026		1176
1027	=item $player->ext_reply ($msgid, $msgtype, %msg)	1177	=item $player->ext_reply ($msgid, $msgtype, %msg)
1028		1178
1029	Sends an ext reply to the player.	1179	Sends an ext reply to the player.
1030		1180
1031	=cut	1181	=cut
1032		1182
1033	sub cf::player::ext_reply($$$%) {	1183	sub ext_reply($$$%) {
1034	my ($self, $id, %msg) = @_;	1184	my ($self, $id, %msg) = @_;
1035		1185
1036	$msg{msgid} = $id;	1186	$msg{msgid} = $id;
1037		1187
1038	$self->send ("ext " . to_json \%msg);	1188	$self->send ("ext " . cf::to_json \%msg);
1039	}	1189	}
		1190
		1191	package cf;
1040		1192
1041	=back	1193	=back
1042		1194
1043		1195
1044	=head3 cf::map	1196	=head3 cf::map
…		…
1050	package cf::map;	1202	package cf::map;
1051		1203
1052	use Fcntl;	1204	use Fcntl;
1053	use Coro::AIO;	1205	use Coro::AIO;
1054		1206
1055	our $MAX_RESET = 7200;	1207	our $MAX_RESET = 3600;
1056	our $DEFAULT_RESET = 3600;	1208	our $DEFAULT_RESET = 3000;
1057		1209
1058	sub generate_random_map {	1210	sub generate_random_map {
1059	my ($path, $rmp) = @_;	1211	my ($path, $rmp) = @_;
1060		1212
1061	# mit "rum" bekleckern, nicht	1213	# mit "rum" bekleckern, nicht
…		…
1077	# and all this just because we cannot iterate over	1229	# and all this just because we cannot iterate over
1078	# all maps in C++...	1230	# all maps in C++...
1079	sub change_all_map_light {	1231	sub change_all_map_light {
1080	my ($change) = @_;	1232	my ($change) = @_;
1081		1233
1082	$_->change_map_light ($change) for values %cf::MAP;	1234	$_->change_map_light ($change)
		1235	for grep $_->outdoor, values %cf::MAP;
1083	}	1236	}
1084		1237
1085	sub try_load_header($) {	1238	sub try_load_header($) {
1086	my ($path) = @_;	1239	my ($path) = @_;
1087		1240
…		…
1090	or return;	1243	or return;
1091		1244
1092	my $map = cf::map::new	1245	my $map = cf::map::new
1093	or return;	1246	or return;
1094		1247
		1248	# for better error messages only, will be overwritten
		1249	$map->path ($path);
		1250
1095	$map->load_header ($path)	1251	$map->load_header ($path)
1096	or return;	1252	or return;
1097		1253
1098	$map->{load_path} = $path;	1254	$map->{load_path} = $path;
1099		1255
1100	$map	1256	$map
1101	}	1257	}
1102		1258
		1259	sub find;
1103	sub find_map {	1260	sub find {
1104	my ($path, $origin) = @_;	1261	my ($path, $origin) = @_;
1105		1262
1106	#warn "find_map<$path,$origin>\n";#d#	1263	#warn "find<$path,$origin>\n";#d#
1107		1264
1108	$path = new cf::path $path, $origin && $origin->path;	1265	$path = new cf::path $path, $origin && $origin->path;
1109	my $key = $path->as_string;	1266	my $key = $path->as_string;
1110		1267
		1268	cf::lock_wait "map_find:$key";
		1269
1111	$cf::MAP{$key} \|\| do {	1270	$cf::MAP{$key} \|\| do {
		1271	my $guard = cf::lock_acquire "map_find:$key";
		1272
1112	# do it the slow way	1273	# do it the slow way
1113	my $map = try_load_header $path->save_path;	1274	my $map = try_load_header $path->save_path;
1114		1275
		1276	Coro::cede;
		1277
1115	if ($map) {	1278	if ($map) {
		1279	$map->last_access ((delete $map->{last_access})
		1280	\|\| $cf::RUNTIME); #d#
1116	# safety	1281	# safety
1117	$map->{instantiate_time} = $cf::RUNTIME	1282	$map->{instantiate_time} = $cf::RUNTIME
1118	if $map->{instantiate_time} > $cf::RUNTIME;	1283	if $map->{instantiate_time} > $cf::RUNTIME;
1119	} else {	1284	} else {
1120	if (my $rmp = $path->random_map_params) {	1285	if (my $rmp = $path->random_map_params) {
…		…
1125		1290
1126	$map or return;	1291	$map or return;
1127		1292
1128	$map->{load_original} = 1;	1293	$map->{load_original} = 1;
1129	$map->{instantiate_time} = $cf::RUNTIME;	1294	$map->{instantiate_time} = $cf::RUNTIME;
		1295	$map->last_access ($cf::RUNTIME);
1130	$map->instantiate;	1296	$map->instantiate;
1131		1297
1132	# per-player maps become, after loading, normal maps	1298	# per-player maps become, after loading, normal maps
1133	$map->per_player (0) if $path->{user_rel};	1299	$map->per_player (0) if $path->{user_rel};
1134	}	1300	}
1135		1301
1136	$map->path ($key);	1302	$map->path ($key);
1137	$map->{path} = $path;	1303	$map->{path} = $path;
1138	$map->last_access ($cf::RUNTIME);	1304	$map->{last_save} = $cf::RUNTIME;
		1305
		1306	Coro::cede;
1139		1307
1140	if ($map->should_reset) {	1308	if ($map->should_reset) {
1141	$map->reset;	1309	$map->reset;
		1310	undef $guard;
1142	$map = find_map $path;	1311	$map = find $path
		1312	or return;
1143	}	1313	}
1144		1314
1145	$cf::MAP{$key} = $map	1315	$cf::MAP{$key} = $map
1146	}	1316	}
1147	}	1317	}
1148		1318
1149	sub load {	1319	sub load {
1150	my ($self) = @_;	1320	my ($self) = @_;
1151		1321
		1322	my $path = $self->{path};
		1323	my $guard = cf::lock_acquire "map_load:" . $path->as_string;
		1324
1152	return if $self->in_memory != cf::MAP_SWAPPED;	1325	return if $self->in_memory != cf::MAP_SWAPPED;
1153		1326
1154	$self->in_memory (cf::MAP_LOADING);	1327	$self->in_memory (cf::MAP_LOADING);
1155
1156	my $path = $self->{path};
1157		1328
1158	$self->alloc;	1329	$self->alloc;
1159	$self->load_objects ($self->{load_path}, 1)	1330	$self->load_objects ($self->{load_path}, 1)
1160	or return;	1331	or return;
1161		1332
…		…
1167	if (aio_open $uniq, O_RDONLY, 0) {	1338	if (aio_open $uniq, O_RDONLY, 0) {
1168	$self->clear_unique_items;	1339	$self->clear_unique_items;
1169	$self->load_objects ($uniq, 0);	1340	$self->load_objects ($uniq, 0);
1170	}	1341	}
1171	}	1342	}
		1343
		1344	Coro::cede;
1172		1345
1173	# now do the right thing for maps	1346	# now do the right thing for maps
1174	$self->link_multipart_objects;	1347	$self->link_multipart_objects;
1175		1348
1176	if ($self->{path}->is_style_map) {	1349	if ($self->{path}->is_style_map) {
…		…
1184	$self->difficulty ($self->estimate_difficulty)	1357	$self->difficulty ($self->estimate_difficulty)
1185	unless $self->difficulty;	1358	unless $self->difficulty;
1186	$self->activate;	1359	$self->activate;
1187	}	1360	}
1188		1361
		1362	Coro::cede;
		1363
1189	$self->in_memory (cf::MAP_IN_MEMORY);	1364	$self->in_memory (cf::MAP_IN_MEMORY);
1190	}	1365	}
1191		1366
1192	sub load_map_sync {	1367	sub find_sync {
1193	my ($path, $origin) = @_;	1368	my ($path, $origin) = @_;
1194		1369
1195	#warn "load_map_sync<$path, $origin>\n";#d#	1370	cf::sync_job { cf::map::find $path, $origin }
		1371	}
1196		1372
1197	cf::sync_job {	1373	sub do_load_sync {
1198	my $map = cf::map::find_map $path, $origin	1374	my ($map) = @_;
1199	or return;	1375
1200	$map->load;	1376	cf::sync_job { $map->load };
1201	$map
1202	}
1203	}	1377	}
1204		1378
1205	sub save {	1379	sub save {
1206	my ($self) = @_;	1380	my ($self) = @_;
1207		1381
		1382	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1383
		1384	$self->{last_save} = $cf::RUNTIME;
		1385
		1386	return unless $self->dirty;
		1387
1208	my $save = $self->{path}->save_path; utf8::encode $save;	1388	my $save = $self->{path}->save_path; utf8::encode $save;
1209	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1389	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1210		1390
1211	$self->{last_save} = $cf::RUNTIME;
1212
1213	return unless $self->dirty;
1214
1215	$self->{load_path} = $save;	1391	$self->{load_path} = $save;
1216		1392
1217	return if $self->{deny_save};	1393	return if $self->{deny_save};
		1394
		1395	local $self->{last_access} = $self->last_access;#d#
		1396
		1397	cf::async {
		1398	$_->contr->save for $self->players;
		1399	};
1218		1400
1219	if ($uniq) {	1401	if ($uniq) {
1220	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);	1402	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);
1221	$self->save_objects ($uniq, cf::IO_UNIQUES);	1403	$self->save_objects ($uniq, cf::IO_UNIQUES);
1222	} else {	1404	} else {
…		…
1225	}	1407	}
1226		1408
1227	sub swap_out {	1409	sub swap_out {
1228	my ($self) = @_;	1410	my ($self) = @_;
1229		1411
		1412	# save first because save cedes
		1413	$self->save;
		1414
		1415	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1416
1230	return if $self->players;	1417	return if $self->players;
1231	return if $self->in_memory != cf::MAP_IN_MEMORY;	1418	return if $self->in_memory != cf::MAP_IN_MEMORY;
1232	return if $self->{deny_save};	1419	return if $self->{deny_save};
1233		1420
1234	$self->save;
1235	$self->clear;	1421	$self->clear;
1236	$self->in_memory (cf::MAP_SWAPPED);	1422	$self->in_memory (cf::MAP_SWAPPED);
1237	}	1423	}
1238		1424
1239	sub reset_at {	1425	sub reset_at {
1240	my ($self) = @_;	1426	my ($self) = @_;
1241		1427
1242	# TODO: safety, remove and allow resettable per-player maps	1428	# TODO: safety, remove and allow resettable per-player maps
1243	return 1e100 if $self->{path}{user_rel};	1429	return 1e99 if $self->{path}{user_rel};
1244	return 1e100 if $self->{deny_reset};	1430	return 1e99 if $self->{deny_reset};
1245		1431
1246	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1432	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1247	my $to = $self->reset_timeout \|\| $DEFAULT_RESET;	1433	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;
1248	$to = $MAX_RESET if $to > $MAX_RESET;
1249		1434
1250	$time + $to	1435	$time + $to
1251	}	1436	}
1252		1437
1253	sub should_reset {	1438	sub should_reset {
…		…
1269		1454
1270	$self->unlink_save;	1455	$self->unlink_save;
1271		1456
1272	delete $cf::MAP{$self->path};	1457	delete $cf::MAP{$self->path};
1273	$self->{path} = new cf::path $new_path;	1458	$self->{path} = new cf::path $new_path;
1274	$self->path ($self->{path}->path);	1459	$self->path ($self->{path}->as_string);
1275	$cf::MAP{$self->path} = $self;	1460	$cf::MAP{$self->path} = $self;
1276		1461
1277	$self->save;	1462	$self->save;
1278	}	1463	}
1279		1464
1280	sub reset {	1465	sub reset {
1281	my ($self) = @_;	1466	my ($self) = @_;
1282		1467
		1468	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1469
1283	return if $self->players;	1470	return if $self->players;
1284	return if $self->{path}{user_rel};#d#	1471	return if $self->{path}{user_rel};#d#
1285		1472
1286	warn "resetting map ", $self->path;#d#	1473	warn "resetting map ", $self->path;#d#
1287		1474
…		…
1291		1478
1292	$self->unlink_save;	1479	$self->unlink_save;
1293	$self->destroy;	1480	$self->destroy;
1294	}	1481	}
1295		1482
		1483	my $nuke_counter = "aaaa";
		1484
		1485	sub nuke {
		1486	my ($self) = @_;
		1487
		1488	$self->{deny_save} = 1;
		1489	$self->reset_timeout (1);
		1490	$self->rename ("{nuke}/" . ($nuke_counter++));
		1491	$self->reset; # polite request, might not happen
		1492	}
		1493
1296	sub customise_for {	1494	sub customise_for {
1297	my ($map, $ob) = @_;	1495	my ($map, $ob) = @_;
1298		1496
1299	if ($map->per_player) {	1497	if ($map->per_player) {
1300	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1498	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1301	}	1499	}
1302		1500
1303	$map	1501	$map
1304	}	1502	}
1305		1503
1306	sub emergency_save {	1504	sub emergency_save {
1307	local $cf::FREEZE = 1;	1505	my $freeze_guard = cf::freeze_mainloop;
1308		1506
1309	warn "enter emergency map save\n";	1507	warn "enter emergency perl save\n";
1310		1508
1311	cf::sync_job {	1509	cf::sync_job {
		1510	warn "begin emergency player save\n";
		1511	$_->save for values %cf::PLAYER;
		1512	warn "end emergency player save\n";
		1513
1312	warn "begin emergency map save\n";	1514	warn "begin emergency map save\n";
1313	$_->save for values %cf::MAP;	1515	$_->save for values %cf::MAP;
		1516	warn "end emergency map save\n";
1314	};	1517	};
1315		1518
1316	warn "end emergency map save\n";	1519	warn "leave emergency perl save\n";
1317	}	1520	}
1318		1521
1319	package cf;	1522	package cf;
1320		1523
1321	=back	1524	=back
…		…
1363	(ref $cf::CFG{"may_$access"}	1566	(ref $cf::CFG{"may_$access"}
1364	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1567	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1365	: $cf::CFG{"may_$access"})	1568	: $cf::CFG{"may_$access"})
1366	}	1569	}
1367		1570
		1571	=item $player_object->enter_link
		1572
		1573	Freezes the player and moves him/her to a special map (C<{link}>).
		1574
		1575	The player should be reaosnably safe there for short amounts of time. You
		1576	I<MUST> call C<leave_link> as soon as possible, though.
		1577
		1578	=item $player_object->leave_link ($map, $x, $y)
		1579
		1580	Moves the player out of the specila link map onto the given map. If the
		1581	map is not valid (or omitted), the player will be moved back to the
		1582	location he/she was before the call to C<enter_link>, or, if that fails,
		1583	to the emergency map position.
		1584
		1585	Might block.
		1586
		1587	=cut
		1588
1368	sub cf::object::player::enter_link {	1589	sub cf::object::player::enter_link {
1369	my ($self) = @_;	1590	my ($self) = @_;
1370		1591
		1592	$self->deactivate_recursive;
		1593
1371	return if $self->map == $LINK_MAP;	1594	return if $self->map == $LINK_MAP;
1372		1595
1373	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1596	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]
1374	if $self->map;	1597	if $self->map;
1375		1598
1376	$self->enter_map ($LINK_MAP, 20, 20);	1599	$self->enter_map ($LINK_MAP, 20, 20);
1377	$self->deactivate_recursive;
1378	}	1600	}
1379		1601
1380	sub cf::object::player::leave_link {	1602	sub cf::object::player::leave_link {
1381	my ($self, $map, $x, $y) = @_;	1603	my ($self, $map, $x, $y) = @_;
1382		1604
1383	my $link_pos = delete $self->{_link_pos};	1605	my $link_pos = delete $self->{_link_pos};
1384		1606
1385	unless ($map) {	1607	unless ($map) {
1386	$self->message ("The exit is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
1387
1388	# restore original map position	1608	# restore original map position
1389	($map, $x, $y) = @{ $link_pos \|\| [] };	1609	($map, $x, $y) = @{ $link_pos \|\| [] };
1390	$map = cf::map::find_map $map;	1610	$map = cf::map::find $map;
1391		1611
1392	unless ($map) {	1612	unless ($map) {
1393	($map, $x, $y) = @$EMERGENCY_POSITION;	1613	($map, $x, $y) = @$EMERGENCY_POSITION;
1394	$map = cf::map::find_map $map	1614	$map = cf::map::find $map
1395	or die "FATAL: cannot load emergency map\n";	1615	or die "FATAL: cannot load emergency map\n";
1396	}	1616	}
1397	}	1617	}
1398		1618
1399	($x, $y) = (-1, -1)	1619	($x, $y) = (-1, -1)
…		…
1403	($x, $y) = ($map->enter_x, $map->enter_y)	1623	($x, $y) = ($map->enter_x, $map->enter_y)
1404	if $x <=0 && $y <= 0;	1624	if $x <=0 && $y <= 0;
1405		1625
1406	$map->load;	1626	$map->load;
1407		1627
		1628	return unless $self->contr->active;
1408	$self->activate_recursive;	1629	$self->activate_recursive;
1409	$self->enter_map ($map, $x, $y);	1630	$self->enter_map ($map, $x, $y);
1410	}	1631	}
1411		1632
		1633	cf::player->attach (
		1634	on_logout => sub {
		1635	my ($pl) = @_;
		1636
		1637	# abort map switching before logout
		1638	if ($pl->ob->{_link_pos}) {
		1639	cf::sync_job {
		1640	$pl->ob->leave_link
		1641	};
		1642	}
		1643	},
		1644	on_login => sub {
		1645	my ($pl) = @_;
		1646
		1647	# try to abort aborted map switching on player login :)
		1648	# should happen only on crashes
		1649	if ($pl->ob->{_link_pos}) {
		1650	$pl->ob->enter_link;
		1651	(async {
		1652	# we need this sleep as the login has a concurrent enter_exit running
		1653	# and this sleep increases chances of the player not ending up in scorn
		1654	$pl->ob->reply (undef,
		1655	"There was an internal problem at your last logout, "
		1656	. "the server will try to bring you to your intended destination in a second.",
		1657	cf::NDI_RED);
		1658	Coro::Timer::sleep 1;
		1659	$pl->ob->leave_link;
		1660	})->prio (2);
		1661	}
		1662	},
		1663	);
		1664
1412	=item $player_object->goto_map ($map, $x, $y)	1665	=item $player_object->goto ($path, $x, $y)
1413		1666
1414	=cut	1667	=cut
1415		1668
1416	sub cf::object::player::goto_map {	1669	sub cf::object::player::goto {
1417	my ($self, $path, $x, $y) = @_;	1670	my ($self, $path, $x, $y) = @_;
1418		1671
1419	$self->enter_link;	1672	$self->enter_link;
1420		1673
1421	(Coro::async {	1674	(async {
1422	$path = new cf::path $path;	1675	$path = new cf::path $path;
1423		1676
1424	my $map = cf::map::find_map $path->as_string;	1677	my $map = cf::map::find $path->as_string;
1425	$map = $map->customise_for ($self) if $map;	1678	$map = $map->customise_for ($self) if $map;
1426		1679
1427	warn "entering ", $map->path, " at ($x, $y)\n"	1680	# warn "entering ", $map->path, " at ($x, $y)\n"
1428	if $map;	1681	# if $map;
		1682
		1683	$map or $map->cluck ("oy");#d#
		1684	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
1429		1685
1430	$self->leave_link ($map, $x, $y);	1686	$self->leave_link ($map, $x, $y);
1431	})->prio (1);	1687	})->prio (1);
1432	}	1688	}
1433		1689
…		…
1486		1742
1487	return unless $self->type == cf::PLAYER;	1743	return unless $self->type == cf::PLAYER;
1488		1744
1489	$self->enter_link;	1745	$self->enter_link;
1490		1746
1491	(Coro::async {	1747	(async {
		1748	$self->deactivate_recursive; # just to be sure
1492	unless (eval {	1749	unless (eval {
1493
1494	prepare_random_map $exit	1750	prepare_random_map $exit
1495	if $exit->slaying eq "/!";	1751	if $exit->slaying eq "/!";
1496		1752
1497	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;
1498	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1754	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1499		1755
1500	1;	1756	1;
1501	}) {	1757	}) {
1502	$self->message ("Something went wrong deep within the crossfire server. "	1758	$self->message ("Something went wrong deep within the crossfire server. "
1503	. "I'll try to bring you back to the map you were before. "	1759	. "I'll try to bring you back to the map you were before. "
…		…
1560	on_reply => sub {	1816	on_reply => sub {
1561	my ($ns, $msg) = @_;	1817	my ($ns, $msg) = @_;
1562		1818
1563	# this weird shuffling is so that direct followup queries	1819	# this weird shuffling is so that direct followup queries
1564	# get handled first	1820	# get handled first
1565	my $queue = delete $ns->{query_queue};	1821	my $queue = delete $ns->{query_queue}
		1822	or return; # be conservative, not sure how that can happen, but we saw a crash here
1566		1823
1567	(shift @$queue)->[1]->($msg);	1824	(shift @$queue)->[1]->($msg);
1568		1825
1569	push @{ $ns->{query_queue} }, @$queue;	1826	push @{ $ns->{query_queue} }, @$queue;
1570		1827
…		…
1576	}	1833	}
1577	}	1834	}
1578	},	1835	},
1579	);	1836	);
1580		1837
1581	=item $client->coro (\&cb)	1838	=item $client->async (\&cb)
1582		1839
1583	Create a new coroutine, running the specified callback. The coroutine will	1840	Create a new coroutine, running the specified callback. The coroutine will
1584	be automatically cancelled when the client gets destroyed (e.g. on logout,	1841	be automatically cancelled when the client gets destroyed (e.g. on logout,
1585	or loss of connection).	1842	or loss of connection).
1586		1843
1587	=cut	1844	=cut
1588		1845
1589	sub cf::client::coro {	1846	sub cf::client::async {
1590	my ($self, $cb) = @_;	1847	my ($self, $cb) = @_;
1591		1848
1592	my $coro; $coro = async {	1849	my $coro = &Coro::async ($cb);
1593	eval {
1594	$cb->();
1595	};
1596	warn $@ if $@;
1597	};
1598		1850
1599	$coro->on_destroy (sub {	1851	$coro->on_destroy (sub {
1600	delete $self->{_coro}{$coro+0};	1852	delete $self->{_coro}{$coro+0};
1601	});	1853	});
1602		1854
…		…
1774		2026
1775	{	2027	{
1776	my $path = cf::localdir . "/database.pst";	2028	my $path = cf::localdir . "/database.pst";
1777		2029
1778	sub db_load() {	2030	sub db_load() {
1779	warn "loading database $path\n";#d# remove later
1780	$DB = stat $path ? Storable::retrieve $path : { };	2031	$DB = stat $path ? Storable::retrieve $path : { };
1781	}	2032	}
1782		2033
1783	my $pid;	2034	my $pid;
1784		2035
1785	sub db_save() {	2036	sub db_save() {
1786	warn "saving database $path\n";#d# remove later
1787	waitpid $pid, 0 if $pid;	2037	waitpid $pid, 0 if $pid;
1788	if (0 == ($pid = fork)) {	2038	if (0 == ($pid = fork)) {
1789	$DB->{_meta}{version} = 1;	2039	$DB->{_meta}{version} = 1;
1790	Storable::nstore $DB, "$path~";	2040	Storable::nstore $DB, "$path~";
1791	rename "$path~", $path;	2041	rename "$path~", $path;
…		…
1839	open my $fh, "<:utf8", cf::confdir . "/config"	2089	open my $fh, "<:utf8", cf::confdir . "/config"
1840	or return;	2090	or return;
1841		2091
1842	local $/;	2092	local $/;
1843	*CFG = YAML::Syck::Load <$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} ? eval "mlockall()" : eval "munlockall()"
		2103	and die "WARNING: m(un)lockall failed: $!\n";
		2104	};
		2105	warn $@ if $@;
		2106	}
1844	}	2107	}
1845		2108
1846	sub main {	2109	sub main {
1847	# we must not ever block the main coroutine	2110	# we must not ever block the main coroutine
1848	local $Coro::idle = sub {	2111	local $Coro::idle = sub {
1849	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#
1850	(Coro::unblock_sub {
1851	Event::one_event;	2113	async { Event::one_event };
1852	})->();
1853	};	2114	};
1854		2115
1855	cfg_load;	2116	cfg_load;
1856	db_load;	2117	db_load;
1857	load_extensions;	2118	load_extensions;
…		…
1868	return;	2129	return;
1869	}	2130	}
1870		2131
1871	warn "reloading...";	2132	warn "reloading...";
1872		2133
1873	local $FREEZE = 1;	2134	my $guard = freeze_mainloop;
1874	cf::emergency_save;	2135	cf::emergency_save;
1875		2136
1876	eval {	2137	eval {
1877	# 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
1878		2139
…		…
1940	cf::load_extensions;	2201	cf::load_extensions;
1941		2202
1942	# reattach attachments to objects	2203	# reattach attachments to objects
1943	warn "reattach";	2204	warn "reattach";
1944	_global_reattach;	2205	_global_reattach;
		2206	reattach $_ for values %MAP;
1945	};	2207	};
1946		2208
1947	if ($@) {	2209	if ($@) {
1948	warn $@;	2210	warn $@;
1949	warn "error while reloading, exiting.";	2211	warn "error while reloading, exiting.";
…		…
1965	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";	2227	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1966	$LINK_MAP->in_memory (MAP_IN_MEMORY);	2228	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1967		2229
1968	# dirty hack because... archetypes are not yet loaded	2230	# dirty hack because... archetypes are not yet loaded
1969	Event->timer (	2231	Event->timer (
1970	after => 2,	2232	after => 10,
1971	cb => sub {	2233	cb => sub {
1972	$_[0]->w->cancel;	2234	$_[0]->w->cancel;
1973		2235
1974	# provide some exits "home"	2236	# provide some exits "home"
1975	my $exit = cf::object::new "exit";	2237	my $exit = cf::object::new "exit";
…		…
2014	reentrant => 0,	2276	reentrant => 0,
2015	prio => 0,	2277	prio => 0,
2016	at => $NEXT_TICK \|\| $TICK,	2278	at => $NEXT_TICK \|\| $TICK,
2017	data => WF_AUTOCANCEL,	2279	data => WF_AUTOCANCEL,
2018	cb => sub {	2280	cb => sub {
2019	unless ($FREEZE) {
2020	cf::server_tick; # one server iteration	2281	cf::server_tick; # one server iteration
2021	$RUNTIME += $TICK;	2282	$RUNTIME += $TICK;
2022	}
2023
2024	$NEXT_TICK += $TICK;	2283	$NEXT_TICK += $TICK;
2025		2284
2026	# 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
2027	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2286	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2028		2287
…		…
2051	or warn "ERROR: unable to write runtime file: $!";	2310	or warn "ERROR: unable to write runtime file: $!";
2052	})->();	2311	})->();
2053	},	2312	},
2054	);	2313	);
2055		2314
		2315	END { cf::emergency_save }
		2316
2056	1	2317	1
2057		2318

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.113 by root, Mon Jan 1 15:32:40 2007 UTC vs. Revision 1.150 by root, Mon Jan 8 19:25:53 2007 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.113 by root, Mon Jan 1 15:32:40 2007 UTC vs.
Revision 1.150 by root, Mon Jan 8 19:25:53 2007 UTC