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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.114 by root, Mon Jan 1 16:00:10 2007 UTC vs.
Revision 1.144 by root, Sun Jan 7 18:01:10 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3;	13	use Coro 3.3 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
…		…
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	26	use Event; $Event::Eval = 1; # no idea why this is required, but it is
27		27
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	29	$YAML::Syck::ImplicitUnicode = 1;
30		30
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		34
35	our %COMMAND = ();	35	our %COMMAND = ();
36	our %COMMAND_TIME = ();	36	our %COMMAND_TIME = ();
…		…
47	our %CFG;	47	our %CFG;
48		48
49	our $UPTIME; $UPTIME \|\|= time;	49	our $UPTIME; $UPTIME \|\|= time;
50	our $RUNTIME;	50	our $RUNTIME;
51		51
		52	our %PLAYER; # all users
52	our %MAP; # all maps	53	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	54	our $LINK_MAP; # the special {link} map
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	55	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	56	our %EXT_CORO; # coroutines bound to extensions
57		57
58	binmode STDOUT;	58	binmode STDOUT;
59	binmode STDERR;	59	binmode STDERR;
60		60
61	# read virtual server time, if available	61	# read virtual server time, if available
…		…
71	mkdir cf::localdir . "/" . cf::uniquedir;	71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	72	mkdir $RANDOM_MAPS;
73		73
74	# a special map that is always available	74	# a special map that is always available
75	our $LINK_MAP;	75	our $LINK_MAP;
76		76	our $EMERGENCY_POSITION;
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} \|\| ["/world/world_105_115", 5, 37];
78		77
79	#############################################################################	78	#############################################################################
80		79
81	=head2 GLOBAL VARIABLES	80	=head2 GLOBAL VARIABLES
82		81
…		…
181	sub to_json($) {	180	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	182	JSON::Syck::Dump $_[0]
184	}	183	}
185		184
		185	=item cf::lock_wait $string
		186
		187	Wait until the given lock is available. See cf::lock_acquire.
		188
		189	=item my $lock = cf::lock_acquire $string
		190
		191	Wait until the given lock is available and then acquires it and returns
		192	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		193	for example when the coroutine gets canceled), the lock is automatically
		194	returned.
		195
		196	Lock names should begin with a unique identifier (for example, cf::map::find
		197	uses map_find and cf::map::load uses map_load).
		198
		199	=cut
		200
		201	our %LOCK;
		202
		203	sub lock_wait($) {
		204	my ($key) = @_;
		205
		206	# wait for lock, if any
		207	while ($LOCK{$key}) {
		208	push @{ $LOCK{$key} }, $Coro::current;
		209	Coro::schedule;
		210	}
		211	}
		212
		213	sub lock_acquire($) {
		214	my ($key) = @_;
		215
		216	# wait, to be sure we are not locked
		217	lock_wait $key;
		218
		219	$LOCK{$key} = [];
		220
		221	Coro::guard {
		222	# wake up all waiters, to be on the safe side
		223	$_->ready for @{ delete $LOCK{$key} };
		224	}
		225	}
		226
		227	sub freeze_mainloop {
		228	return unless $TICK_WATCHER->is_active;
		229
		230	my $guard = Coro::guard { $TICK_WATCHER->start };
		231	$TICK_WATCHER->stop;
		232	$guard
		233	}
		234
		235	=item cf::async { BLOCK }
		236
		237	Currently the same as Coro::async_pool, meaning you cannot use
		238	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		239	thing you are allowed to do is call C<prio> on it.
		240
		241	=cut
		242
		243	BEGIN { *async = \&Coro::async_pool }
		244
186	=item cf::sync_job { BLOCK }	245	=item cf::sync_job { BLOCK }
187		246
188	The design of crossfire+ requires that the main coro ($Coro::main) is	247	The design of crossfire+ requires that the main coro ($Coro::main) is
189	always able to handle events or runnable, as crossfire+ is only partly	248	always able to handle events or runnable, as crossfire+ is only partly
190	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	249	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.
…		…
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} = $coro;
…		…
817	(aio_load "$filename.pst", $av) >= 0	870	(aio_load "$filename.pst", $av) >= 0
818	or return;	871	or return;
819	$av = eval { (Storable::thaw $av)->{objs} };	872	$av = eval { (Storable::thaw $av)->{objs} };
820	}	873	}
821		874
		875	warn sprintf "loading %s (%d)\n",
		876	$filename, length $data, scalar @{$av \|\| []};#d#
822	return ($data, $av);	877	return ($data, $av);
823	}	878	}
824		879
825	#############################################################################	880	#############################################################################
826	# command handling &c	881	# command handling &c
…		…
1017		1072
1018	=head2 CORE EXTENSIONS	1073	=head2 CORE EXTENSIONS
1019		1074
1020	Functions and methods that extend core crossfire objects.	1075	Functions and methods that extend core crossfire objects.
1021		1076
		1077	=cut
		1078
		1079	package cf::player;
		1080
1022	=head3 cf::player	1081	=head3 cf::player
1023		1082
1024	=over 4	1083	=over 4
1025		1084
1026	=item cf::player::exists $login	1085	=item cf::player::find $login
1027		1086
1028	Returns true when the given account exists.	1087	Returns the given player object, loading it if necessary (might block).
1029		1088
1030	=cut	1089	=cut
1031		1090
1032	sub cf::player::exists($) {	1091	sub path($) {
1033	cf::player::find $_[0]	1092	sprintf "%s/%s/%s/%s.pl",
1034	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	1093	cf::localdir, cf::playerdir,
		1094	(ref $_[0] ? $_[0]->ob->name : $_[0]) x 2
		1095	}
		1096
		1097	sub find_active($) {
		1098	$cf::PLAYER{$_[0]}
		1099	and $cf::PLAYER{$_[0]}->active
		1100	and $cf::PLAYER{$_[0]}
		1101	}
		1102
		1103	sub exists($) {
		1104	my ($login) = @_;
		1105
		1106	$cf::PLAYER{$login}
		1107	or cf::sync_job { !aio_stat $login }
		1108	}
		1109
		1110	sub find($) {
		1111	return $cf::PLAYER{$_[0]} \|\| do {
		1112	my $login = $_[0];
		1113
		1114	my $guard = cf::lock_acquire "user_find:$login";
		1115
		1116	$cf::PLAYER{$login} \|\|= (load_pl path $login or return);
		1117	};
		1118	}
		1119
		1120	sub save($) {
		1121	my ($pl) = @_;
		1122
		1123	return if $pl->{deny_save};
		1124
		1125	my $path = path $pl;
		1126	my $guard = cf::lock_acquire "user_save:$path";
		1127
		1128	return if $pl->{deny_save};
		1129	$pl->{last_save} = $cf::RUNTIME;
		1130
		1131	Coro::cede;
		1132	$pl->save_pl ($path);
		1133	Coro::cede;
		1134	}
		1135
		1136	sub new($) {
		1137	my ($login) = @_;
		1138
		1139	my $self = create;
		1140
		1141	$self->ob->name ($login);
		1142	$self->{deny_save} = 1;
		1143
		1144	$cf::PLAYER{$login} = $self;
		1145
		1146	$self
1035	}	1147	}
1036		1148
1037	=item $player->ext_reply ($msgid, $msgtype, %msg)	1149	=item $player->ext_reply ($msgid, $msgtype, %msg)
1038		1150
1039	Sends an ext reply to the player.	1151	Sends an ext reply to the player.
1040		1152
1041	=cut	1153	=cut
1042		1154
1043	sub cf::player::ext_reply($$$%) {	1155	sub ext_reply($$$%) {
1044	my ($self, $id, %msg) = @_;	1156	my ($self, $id, %msg) = @_;
1045		1157
1046	$msg{msgid} = $id;	1158	$msg{msgid} = $id;
1047		1159
1048	$self->send ("ext " . to_json \%msg);	1160	$self->send ("ext " . cf::to_json \%msg);
1049	}	1161	}
		1162
		1163	package cf;
1050		1164
1051	=back	1165	=back
1052		1166
1053		1167
1054	=head3 cf::map	1168	=head3 cf::map
…		…
1060	package cf::map;	1174	package cf::map;
1061		1175
1062	use Fcntl;	1176	use Fcntl;
1063	use Coro::AIO;	1177	use Coro::AIO;
1064		1178
1065	our $MAX_RESET = 7200;	1179	our $MAX_RESET = 3600;
1066	our $DEFAULT_RESET = 3600;	1180	our $DEFAULT_RESET = 3000;
1067		1181
1068	sub generate_random_map {	1182	sub generate_random_map {
1069	my ($path, $rmp) = @_;	1183	my ($path, $rmp) = @_;
1070		1184
1071	# mit "rum" bekleckern, nicht	1185	# mit "rum" bekleckern, nicht
…		…
1087	# and all this just because we cannot iterate over	1201	# and all this just because we cannot iterate over
1088	# all maps in C++...	1202	# all maps in C++...
1089	sub change_all_map_light {	1203	sub change_all_map_light {
1090	my ($change) = @_;	1204	my ($change) = @_;
1091		1205
1092	$_->change_map_light ($change) for values %cf::MAP;	1206	$_->change_map_light ($change)
		1207	for grep $_->outdoor, values %cf::MAP;
1093	}	1208	}
1094		1209
1095	sub try_load_header($) {	1210	sub try_load_header($) {
1096	my ($path) = @_;	1211	my ($path) = @_;
1097		1212
…		…
1100	or return;	1215	or return;
1101		1216
1102	my $map = cf::map::new	1217	my $map = cf::map::new
1103	or return;	1218	or return;
1104		1219
		1220	# for better error messages only, will be overwritten
		1221	$map->path ($path);
		1222
1105	$map->load_header ($path)	1223	$map->load_header ($path)
1106	or return;	1224	or return;
1107		1225
1108	$map->{load_path} = $path;	1226	$map->{load_path} = $path;
1109		1227
1110	$map	1228	$map
1111	}	1229	}
1112		1230
		1231	sub find;
1113	sub find_map {	1232	sub find {
1114	my ($path, $origin) = @_;	1233	my ($path, $origin) = @_;
1115		1234
1116	#warn "find_map<$path,$origin>\n";#d#	1235	#warn "find<$path,$origin>\n";#d#
1117		1236
1118	$path = new cf::path $path, $origin && $origin->path;	1237	$path = new cf::path $path, $origin && $origin->path;
1119	my $key = $path->as_string;	1238	my $key = $path->as_string;
1120		1239
		1240	cf::lock_wait "map_find:$key";
		1241
1121	$cf::MAP{$key} \|\| do {	1242	$cf::MAP{$key} \|\| do {
		1243	my $guard = cf::lock_acquire "map_find:$key";
		1244
1122	# do it the slow way	1245	# do it the slow way
1123	my $map = try_load_header $path->save_path;	1246	my $map = try_load_header $path->save_path;
1124		1247
		1248	Coro::cede;
		1249
1125	if ($map) {	1250	if ($map) {
		1251	$map->last_access ((delete $map->{last_access})
		1252	\|\| $cf::RUNTIME); #d#
1126	# safety	1253	# safety
1127	$map->{instantiate_time} = $cf::RUNTIME	1254	$map->{instantiate_time} = $cf::RUNTIME
1128	if $map->{instantiate_time} > $cf::RUNTIME;	1255	if $map->{instantiate_time} > $cf::RUNTIME;
1129	} else {	1256	} else {
1130	if (my $rmp = $path->random_map_params) {	1257	if (my $rmp = $path->random_map_params) {
…		…
1135		1262
1136	$map or return;	1263	$map or return;
1137		1264
1138	$map->{load_original} = 1;	1265	$map->{load_original} = 1;
1139	$map->{instantiate_time} = $cf::RUNTIME;	1266	$map->{instantiate_time} = $cf::RUNTIME;
		1267	$map->last_access ($cf::RUNTIME);
1140	$map->instantiate;	1268	$map->instantiate;
1141		1269
1142	# per-player maps become, after loading, normal maps	1270	# per-player maps become, after loading, normal maps
1143	$map->per_player (0) if $path->{user_rel};	1271	$map->per_player (0) if $path->{user_rel};
1144	}	1272	}
1145		1273
1146	$map->path ($key);	1274	$map->path ($key);
1147	$map->{path} = $path;	1275	$map->{path} = $path;
1148	$map->last_access ($cf::RUNTIME);	1276	$map->{last_save} = $cf::RUNTIME;
		1277
		1278	Coro::cede;
1149		1279
1150	if ($map->should_reset) {	1280	if ($map->should_reset) {
1151	$map->reset;	1281	$map->reset;
		1282	undef $guard;
1152	$map = find_map $path;	1283	$map = find $path
		1284	or return;
1153	}	1285	}
1154		1286
1155	$cf::MAP{$key} = $map	1287	$cf::MAP{$key} = $map
1156	}	1288	}
1157	}	1289	}
1158		1290
1159	sub load {	1291	sub load {
1160	my ($self) = @_;	1292	my ($self) = @_;
1161		1293
		1294	my $path = $self->{path};
		1295	my $guard = cf::lock_acquire "map_load:" . $path->as_string;
		1296
1162	return if $self->in_memory != cf::MAP_SWAPPED;	1297	return if $self->in_memory != cf::MAP_SWAPPED;
1163		1298
1164	$self->in_memory (cf::MAP_LOADING);	1299	$self->in_memory (cf::MAP_LOADING);
1165
1166	my $path = $self->{path};
1167		1300
1168	$self->alloc;	1301	$self->alloc;
1169	$self->load_objects ($self->{load_path}, 1)	1302	$self->load_objects ($self->{load_path}, 1)
1170	or return;	1303	or return;
1171		1304
…		…
1177	if (aio_open $uniq, O_RDONLY, 0) {	1310	if (aio_open $uniq, O_RDONLY, 0) {
1178	$self->clear_unique_items;	1311	$self->clear_unique_items;
1179	$self->load_objects ($uniq, 0);	1312	$self->load_objects ($uniq, 0);
1180	}	1313	}
1181	}	1314	}
		1315
		1316	Coro::cede;
1182		1317
1183	# now do the right thing for maps	1318	# now do the right thing for maps
1184	$self->link_multipart_objects;	1319	$self->link_multipart_objects;
1185		1320
1186	if ($self->{path}->is_style_map) {	1321	if ($self->{path}->is_style_map) {
…		…
1194	$self->difficulty ($self->estimate_difficulty)	1329	$self->difficulty ($self->estimate_difficulty)
1195	unless $self->difficulty;	1330	unless $self->difficulty;
1196	$self->activate;	1331	$self->activate;
1197	}	1332	}
1198		1333
		1334	Coro::cede;
		1335
1199	$self->in_memory (cf::MAP_IN_MEMORY);	1336	$self->in_memory (cf::MAP_IN_MEMORY);
1200	}	1337	}
1201		1338
1202	sub load_map_sync {	1339	sub find_sync {
1203	my ($path, $origin) = @_;	1340	my ($path, $origin) = @_;
1204		1341
1205	#warn "load_map_sync<$path, $origin>\n";#d#	1342	cf::sync_job { cf::map::find $path, $origin }
		1343	}
1206		1344
1207	cf::sync_job {	1345	sub do_load_sync {
1208	my $map = cf::map::find_map $path, $origin	1346	my ($map) = @_;
1209	or return;	1347
1210	$map->load;	1348	cf::sync_job { $map->load };
1211	$map
1212	}
1213	}	1349	}
1214		1350
1215	sub save {	1351	sub save {
1216	my ($self) = @_;	1352	my ($self) = @_;
1217		1353
		1354	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1355
		1356	$self->{last_save} = $cf::RUNTIME;
		1357
		1358	return unless $self->dirty;
		1359
1218	my $save = $self->{path}->save_path; utf8::encode $save;	1360	my $save = $self->{path}->save_path; utf8::encode $save;
1219	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1361	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1220		1362
1221	$self->{last_save} = $cf::RUNTIME;
1222
1223	return unless $self->dirty;
1224
1225	$self->{load_path} = $save;	1363	$self->{load_path} = $save;
1226		1364
1227	return if $self->{deny_save};	1365	return if $self->{deny_save};
		1366
		1367	local $self->{last_access} = $self->last_access;#d#
		1368
		1369	cf::async {
		1370	$_->contr->save for $self->players;
		1371	};
1228		1372
1229	if ($uniq) {	1373	if ($uniq) {
1230	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);	1374	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);
1231	$self->save_objects ($uniq, cf::IO_UNIQUES);	1375	$self->save_objects ($uniq, cf::IO_UNIQUES);
1232	} else {	1376	} else {
…		…
1235	}	1379	}
1236		1380
1237	sub swap_out {	1381	sub swap_out {
1238	my ($self) = @_;	1382	my ($self) = @_;
1239		1383
		1384	# save first because save cedes
		1385	$self->save;
		1386
		1387	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1388
1240	return if $self->players;	1389	return if $self->players;
1241	return if $self->in_memory != cf::MAP_IN_MEMORY;	1390	return if $self->in_memory != cf::MAP_IN_MEMORY;
1242	return if $self->{deny_save};	1391	return if $self->{deny_save};
1243		1392
1244	$self->save;
1245	$self->clear;	1393	$self->clear;
1246	$self->in_memory (cf::MAP_SWAPPED);	1394	$self->in_memory (cf::MAP_SWAPPED);
1247	}	1395	}
1248		1396
1249	sub reset_at {	1397	sub reset_at {
…		…
1287	}	1435	}
1288		1436
1289	sub reset {	1437	sub reset {
1290	my ($self) = @_;	1438	my ($self) = @_;
1291		1439
		1440	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1441
1292	return if $self->players;	1442	return if $self->players;
1293	return if $self->{path}{user_rel};#d#	1443	return if $self->{path}{user_rel};#d#
1294		1444
1295	warn "resetting map ", $self->path;#d#	1445	warn "resetting map ", $self->path;#d#
1296		1446
…		…
1315		1465
1316	sub customise_for {	1466	sub customise_for {
1317	my ($map, $ob) = @_;	1467	my ($map, $ob) = @_;
1318		1468
1319	if ($map->per_player) {	1469	if ($map->per_player) {
1320	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1470	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1321	}	1471	}
1322		1472
1323	$map	1473	$map
1324	}	1474	}
1325		1475
1326	sub emergency_save {	1476	sub emergency_save {
1327	local $cf::FREEZE = 1;	1477	my $freeze_guard = cf::freeze_mainloop;
1328		1478
1329	warn "enter emergency map save\n";	1479	warn "enter emergency perl save\n";
1330		1480
1331	cf::sync_job {	1481	cf::sync_job {
		1482	warn "begin emergency player save\n";
		1483	$_->save for values %cf::PLAYER;
		1484	warn "end emergency player save\n";
		1485
1332	warn "begin emergency map save\n";	1486	warn "begin emergency map save\n";
1333	$_->save for values %cf::MAP;	1487	$_->save for values %cf::MAP;
		1488	warn "end emergency map save\n";
1334	};	1489	};
1335		1490
1336	warn "end emergency map save\n";	1491	warn "leave emergency perl save\n";
1337	}	1492	}
1338		1493
1339	package cf;	1494	package cf;
1340		1495
1341	=back	1496	=back
…		…
1383	(ref $cf::CFG{"may_$access"}	1538	(ref $cf::CFG{"may_$access"}
1384	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1539	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1385	: $cf::CFG{"may_$access"})	1540	: $cf::CFG{"may_$access"})
1386	}	1541	}
1387		1542
		1543	=item $player_object->enter_link
		1544
		1545	Freezes the player and moves him/her to a special map (C<{link}>).
		1546
		1547	The player should be reaosnably safe there for short amounts of time. You
		1548	I<MUST> call C<leave_link> as soon as possible, though.
		1549
		1550	=item $player_object->leave_link ($map, $x, $y)
		1551
		1552	Moves the player out of the specila link map onto the given map. If the
		1553	map is not valid (or omitted), the player will be moved back to the
		1554	location he/she was before the call to C<enter_link>, or, if that fails,
		1555	to the emergency map position.
		1556
		1557	Might block.
		1558
		1559	=cut
		1560
1388	sub cf::object::player::enter_link {	1561	sub cf::object::player::enter_link {
1389	my ($self) = @_;	1562	my ($self) = @_;
1390		1563
		1564	$self->deactivate_recursive;
		1565
1391	return if $self->map == $LINK_MAP;	1566	return if $self->map == $LINK_MAP;
1392		1567
1393	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1568	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]
1394	if $self->map;	1569	if $self->map;
1395		1570
1396	$self->enter_map ($LINK_MAP, 20, 20);	1571	$self->enter_map ($LINK_MAP, 20, 20);
1397	$self->deactivate_recursive;
1398	}	1572	}
1399		1573
1400	sub cf::object::player::leave_link {	1574	sub cf::object::player::leave_link {
1401	my ($self, $map, $x, $y) = @_;	1575	my ($self, $map, $x, $y) = @_;
1402		1576
1403	my $link_pos = delete $self->{_link_pos};	1577	my $link_pos = delete $self->{_link_pos};
1404		1578
1405	unless ($map) {	1579	unless ($map) {
1406	$self->message ("The exit is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
1407
1408	# restore original map position	1580	# restore original map position
1409	($map, $x, $y) = @{ $link_pos \|\| [] };	1581	($map, $x, $y) = @{ $link_pos \|\| [] };
1410	$map = cf::map::find_map $map;	1582	$map = cf::map::find $map;
1411		1583
1412	unless ($map) {	1584	unless ($map) {
1413	($map, $x, $y) = @$EMERGENCY_POSITION;	1585	($map, $x, $y) = @$EMERGENCY_POSITION;
1414	$map = cf::map::find_map $map	1586	$map = cf::map::find $map
1415	or die "FATAL: cannot load emergency map\n";	1587	or die "FATAL: cannot load emergency map\n";
1416	}	1588	}
1417	}	1589	}
1418		1590
1419	($x, $y) = (-1, -1)	1591	($x, $y) = (-1, -1)
…		…
1423	($x, $y) = ($map->enter_x, $map->enter_y)	1595	($x, $y) = ($map->enter_x, $map->enter_y)
1424	if $x <=0 && $y <= 0;	1596	if $x <=0 && $y <= 0;
1425		1597
1426	$map->load;	1598	$map->load;
1427		1599
		1600	return unless $self->contr->active;
1428	$self->activate_recursive;	1601	$self->activate_recursive;
1429	$self->enter_map ($map, $x, $y);	1602	$self->enter_map ($map, $x, $y);
1430	}	1603	}
1431		1604
		1605	cf::player->attach (
		1606	on_logout => sub {
		1607	my ($pl) = @_;
		1608
		1609	# abort map switching before logout
		1610	if ($pl->ob->{_link_pos}) {
		1611	cf::sync_job {
		1612	$pl->ob->leave_link
		1613	};
		1614	}
		1615	},
		1616	on_login => sub {
		1617	my ($pl) = @_;
		1618
		1619	# try to abort aborted map switching on player login :)
		1620	# should happen only on crashes
		1621	if ($pl->ob->{_link_pos}) {
		1622	$pl->ob->enter_link;
		1623	(async {
		1624	# we need this sleep as the login has a concurrent enter_exit running
		1625	# and this sleep increases chances of the player not ending up in scorn
		1626	$pl->ob->reply (undef,
		1627	"There was an internal problem at your last logout, "
		1628	. "the server will try to bring you to your intended destination in a second.",
		1629	cf::NDI_RED);
		1630	Coro::Timer::sleep 1;
		1631	$pl->ob->leave_link;
		1632	})->prio (2);
		1633	}
		1634	},
		1635	);
		1636
1432	=item $player_object->goto_map ($map, $x, $y)	1637	=item $player_object->goto ($path, $x, $y)
1433		1638
1434	=cut	1639	=cut
1435		1640
1436	sub cf::object::player::goto_map {	1641	sub cf::object::player::goto {
1437	my ($self, $path, $x, $y) = @_;	1642	my ($self, $path, $x, $y) = @_;
1438		1643
1439	$self->enter_link;	1644	$self->enter_link;
1440		1645
1441	(Coro::async {	1646	(async {
1442	$path = new cf::path $path;	1647	$path = new cf::path $path;
1443		1648
1444	my $map = cf::map::find_map $path->as_string;	1649	my $map = cf::map::find $path->as_string;
1445	$map = $map->customise_for ($self) if $map;	1650	$map = $map->customise_for ($self) if $map;
1446		1651
1447	warn "entering ", $map->path, " at ($x, $y)\n"	1652	# warn "entering ", $map->path, " at ($x, $y)\n"
1448	if $map;	1653	# if $map;
		1654
		1655	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
1449		1656
1450	$self->leave_link ($map, $x, $y);	1657	$self->leave_link ($map, $x, $y);
1451	})->prio (1);	1658	})->prio (1);
1452	}	1659	}
1453		1660
…		…
1506		1713
1507	return unless $self->type == cf::PLAYER;	1714	return unless $self->type == cf::PLAYER;
1508		1715
1509	$self->enter_link;	1716	$self->enter_link;
1510		1717
1511	(Coro::async {	1718	(async {
		1719	$self->deactivate_recursive; # just to be sure
1512	unless (eval {	1720	unless (eval {
1513
1514	prepare_random_map $exit	1721	prepare_random_map $exit
1515	if $exit->slaying eq "/!";	1722	if $exit->slaying eq "/!";
1516		1723
1517	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1724	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1518	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1725	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1519		1726
1520	1;	1727	1;
1521	}) {	1728	}) {
1522	$self->message ("Something went wrong deep within the crossfire server. "	1729	$self->message ("Something went wrong deep within the crossfire server. "
1523	. "I'll try to bring you back to the map you were before. "	1730	. "I'll try to bring you back to the map you were before. "
…		…
1580	on_reply => sub {	1787	on_reply => sub {
1581	my ($ns, $msg) = @_;	1788	my ($ns, $msg) = @_;
1582		1789
1583	# this weird shuffling is so that direct followup queries	1790	# this weird shuffling is so that direct followup queries
1584	# get handled first	1791	# get handled first
1585	my $queue = delete $ns->{query_queue};	1792	my $queue = delete $ns->{query_queue}
		1793	or return; # be conservative, not sure how that can happen, but we saw a crash here
1586		1794
1587	(shift @$queue)->[1]->($msg);	1795	(shift @$queue)->[1]->($msg);
1588		1796
1589	push @{ $ns->{query_queue} }, @$queue;	1797	push @{ $ns->{query_queue} }, @$queue;
1590		1798
…		…
1596	}	1804	}
1597	}	1805	}
1598	},	1806	},
1599	);	1807	);
1600		1808
1601	=item $client->coro (\&cb)	1809	=item $client->async (\&cb)
1602		1810
1603	Create a new coroutine, running the specified callback. The coroutine will	1811	Create a new coroutine, running the specified callback. The coroutine will
1604	be automatically cancelled when the client gets destroyed (e.g. on logout,	1812	be automatically cancelled when the client gets destroyed (e.g. on logout,
1605	or loss of connection).	1813	or loss of connection).
1606		1814
1607	=cut	1815	=cut
1608		1816
1609	sub cf::client::coro {	1817	sub cf::client::async {
1610	my ($self, $cb) = @_;	1818	my ($self, $cb) = @_;
1611		1819
1612	my $coro; $coro = async {	1820	my $coro = &Coro::async ($cb);
1613	eval {
1614	$cb->();
1615	};
1616	warn $@ if $@;
1617	};
1618		1821
1619	$coro->on_destroy (sub {	1822	$coro->on_destroy (sub {
1620	delete $self->{_coro}{$coro+0};	1823	delete $self->{_coro}{$coro+0};
1621	});	1824	});
1622		1825
…		…
1794		1997
1795	{	1998	{
1796	my $path = cf::localdir . "/database.pst";	1999	my $path = cf::localdir . "/database.pst";
1797		2000
1798	sub db_load() {	2001	sub db_load() {
1799	warn "loading database $path\n";#d# remove later
1800	$DB = stat $path ? Storable::retrieve $path : { };	2002	$DB = stat $path ? Storable::retrieve $path : { };
1801	}	2003	}
1802		2004
1803	my $pid;	2005	my $pid;
1804		2006
1805	sub db_save() {	2007	sub db_save() {
1806	warn "saving database $path\n";#d# remove later
1807	waitpid $pid, 0 if $pid;	2008	waitpid $pid, 0 if $pid;
1808	if (0 == ($pid = fork)) {	2009	if (0 == ($pid = fork)) {
1809	$DB->{_meta}{version} = 1;	2010	$DB->{_meta}{version} = 1;
1810	Storable::nstore $DB, "$path~";	2011	Storable::nstore $DB, "$path~";
1811	rename "$path~", $path;	2012	rename "$path~", $path;
…		…
1859	open my $fh, "<:utf8", cf::confdir . "/config"	2060	open my $fh, "<:utf8", cf::confdir . "/config"
1860	or return;	2061	or return;
1861		2062
1862	local $/;	2063	local $/;
1863	*CFG = YAML::Syck::Load <$fh>;	2064	*CFG = YAML::Syck::Load <$fh>;
		2065
		2066	$EMERGENCY_POSITION = $CFG{emergency_position} \|\| ["/world/world_105_115", 5, 37];
		2067
		2068	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2069	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2070
		2071	if (exists $CFG{mlockall}) {
		2072	eval {
		2073	$CFG{mlockall} ? &mlockall : &munlockall
		2074	and die "WARNING: m(un)lockall failed: $!\n";
		2075	};
		2076	warn $@ if $@;
		2077	}
1864	}	2078	}
1865		2079
1866	sub main {	2080	sub main {
1867	# we must not ever block the main coroutine	2081	# we must not ever block the main coroutine
1868	local $Coro::idle = sub {	2082	local $Coro::idle = sub {
1869	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2083	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1870	(Coro::unblock_sub {
1871	Event::one_event;	2084	async { Event::one_event };
1872	})->();
1873	};	2085	};
1874		2086
1875	cfg_load;	2087	cfg_load;
1876	db_load;	2088	db_load;
1877	load_extensions;	2089	load_extensions;
…		…
1888	return;	2100	return;
1889	}	2101	}
1890		2102
1891	warn "reloading...";	2103	warn "reloading...";
1892		2104
1893	local $FREEZE = 1;	2105	my $guard = freeze_mainloop;
1894	cf::emergency_save;	2106	cf::emergency_save;
1895		2107
1896	eval {	2108	eval {
1897	# if anything goes wrong in here, we should simply crash as we already saved	2109	# if anything goes wrong in here, we should simply crash as we already saved
1898		2110
…		…
1960	cf::load_extensions;	2172	cf::load_extensions;
1961		2173
1962	# reattach attachments to objects	2174	# reattach attachments to objects
1963	warn "reattach";	2175	warn "reattach";
1964	_global_reattach;	2176	_global_reattach;
		2177	reattach $_ for values %MAP;
1965	};	2178	};
1966		2179
1967	if ($@) {	2180	if ($@) {
1968	warn $@;	2181	warn $@;
1969	warn "error while reloading, exiting.";	2182	warn "error while reloading, exiting.";
…		…
1985	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";	2198	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1986	$LINK_MAP->in_memory (MAP_IN_MEMORY);	2199	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1987		2200
1988	# dirty hack because... archetypes are not yet loaded	2201	# dirty hack because... archetypes are not yet loaded
1989	Event->timer (	2202	Event->timer (
1990	after => 2,	2203	after => 10,
1991	cb => sub {	2204	cb => sub {
1992	$_[0]->w->cancel;	2205	$_[0]->w->cancel;
1993		2206
1994	# provide some exits "home"	2207	# provide some exits "home"
1995	my $exit = cf::object::new "exit";	2208	my $exit = cf::object::new "exit";
…		…
2034	reentrant => 0,	2247	reentrant => 0,
2035	prio => 0,	2248	prio => 0,
2036	at => $NEXT_TICK \|\| $TICK,	2249	at => $NEXT_TICK \|\| $TICK,
2037	data => WF_AUTOCANCEL,	2250	data => WF_AUTOCANCEL,
2038	cb => sub {	2251	cb => sub {
2039	unless ($FREEZE) {
2040	cf::server_tick; # one server iteration	2252	cf::server_tick; # one server iteration
2041	$RUNTIME += $TICK;	2253	$RUNTIME += $TICK;
2042	}
2043
2044	$NEXT_TICK += $TICK;	2254	$NEXT_TICK += $TICK;
2045		2255
2046	# if we are delayed by four ticks or more, skip them all	2256	# if we are delayed by four ticks or more, skip them all
2047	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2257	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2048		2258
…		…
2071	or warn "ERROR: unable to write runtime file: $!";	2281	or warn "ERROR: unable to write runtime file: $!";
2072	})->();	2282	})->();
2073	},	2283	},
2074	);	2284	);
2075		2285
		2286	END { cf::emergency_save }
		2287
2076	1	2288	1
2077		2289

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.114 by root, Mon Jan 1 16:00:10 2007 UTC vs. Revision 1.144 by root, Sun Jan 7 18:01:10 2007 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.114 by root, Mon Jan 1 16:00:10 2007 UTC vs.
Revision 1.144 by root, Sun Jan 7 18:01:10 2007 UTC