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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.110 by root, Mon Jan 1 11:21:55 2007 UTC vs.
Revision 1.150 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 ($Coro::main) is
189	always able to handle events or runnable, as crossfire+ is only partly	248	always able to handle events or runnable, as crossfire+ is only partly
190	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	249	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.
…		…
197	=cut	256	=cut
198		257
199	sub sync_job(&) {	258	sub sync_job(&) {
200	my ($job) = @_;	259	my ($job) = @_;
201		260
202	my $busy = 1;
203	my @res;
204
205	my $coro = Coro::async {
206	@res = eval { $job->() };
207	warn $@ if $@;
208	undef $busy;
209	};
210
211	if ($Coro::current == $Coro::main) {	261	if ($Coro::current == $Coro::main) {
		262	# this is the main coro, too bad, we have to block
		263	# till the operation succeeds, freezing the server :/
		264
212	# TODO: use suspend/resume instead	265	# TODO: use suspend/resume instead
213	local $FREEZE = 1;	266	# (but this is cancel-safe)
		267	my $freeze_guard = freeze_mainloop;
		268
		269	my $busy = 1;
		270	my @res;
		271
		272	(async {
		273	@res = eval { $job->() };
		274	warn $@ if $@;
		275	undef $busy;
214	$coro->prio (Coro::PRIO_MAX);	276	})->prio (Coro::PRIO_MAX);
		277
215	while ($busy) {	278	while ($busy) {
216	Coro::cede_notself;	279	Coro::cede or Event::one_event;
217	Event::one_event unless Coro::nready;
218	}	280	}
		281
		282	wantarray ? @res : $res[0]
219	} else {	283	} else {
220	$coro->join;	284	# we are in another coroutine, how wonderful, everything just works
		285
		286	$job->()
221	}	287	}
222
223	wantarray ? @res : $res[0]
224	}	288	}
225		289
226	=item $coro = cf::coro { BLOCK }	290	=item $coro = cf::async_ext { BLOCK }
227		291
228	Creates and returns a new coro. This coro is automcatially being canceled	292	Like async, but this coro is automcatially being canceled when the
229	when the extension calling this is being unloaded.	293	extension calling this is being unloaded.
230		294
231	=cut	295	=cut
232		296
233	sub coro(&) {	297	sub async_ext(&) {
234	my $cb = shift;	298	my $cb = shift;
235		299
236	my $coro; $coro = async {	300	my $coro = &Coro::async ($cb);
237	eval {
238	$cb->();
239	};
240	warn $@ if $@;
241	};
242		301
243	$coro->on_destroy (sub {	302	$coro->on_destroy (sub {
244	delete $EXT_CORO{$coro+0};	303	delete $EXT_CORO{$coro+0};
245	});	304	});
246	$EXT_CORO{$coro+0} = $coro;	305	$EXT_CORO{$coro+0} = $coro;
…		…
252	my $runtime = cf::localdir . "/runtime";	311	my $runtime = cf::localdir . "/runtime";
253		312
254	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644	313	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644
255	or return;	314	or return;
256		315
257	my $value = $cf::RUNTIME;	316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock
258	(aio_write $fh, 0, (length $value), $value, 0) <= 0	317	(aio_write $fh, 0, (length $value), $value, 0) <= 0
259	and return;	318	and return;
260		319
261	aio_fsync $fh	320	aio_fsync $fh
262	and return;	321	and return;
…		…
283		342
284	$path = $path->as_string if ref $path;	343	$path = $path->as_string if ref $path;
285		344
286	my $self = bless { }, $class;	345	my $self = bless { }, $class;
287		346
		347	# {... are special paths that are not touched
		348	# ?xxx/... are special absolute paths
		349	# ?random/... random maps
		350	# /! non-realised random map exit
		351	# /... normal maps
		352	# ~/... per-player maps without a specific player (DO NOT USE)
		353	# ~user/... per-player map of a specific user
		354
		355	if ($path =~ /^{/) {
		356	# fine as it is
288	if ($path =~ s{^\?random/}{}) {	357	} elsif ($path =~ s{^\?random/}{}) {
289	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;	358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
290	$self->{random} = cf::from_json $data;	359	$self->{random} = cf::from_json $data;
291	} else {	360	} else {
292	if ($path =~ s{^~([^/]+)?}{}) {	361	if ($path =~ s{^~([^/]+)?}{}) {
293	$self->{user_rel} = 1;	362	$self->{user_rel} = 1;
…		…
798	or return;	867	or return;
799		868
800	unless (aio_stat "$filename.pst") {	869	unless (aio_stat "$filename.pst") {
801	(aio_load "$filename.pst", $av) >= 0	870	(aio_load "$filename.pst", $av) >= 0
802	or return;	871	or return;
803	$av = eval { (Storable::thaw <$av>)->{objs} };	872	$av = eval { (Storable::thaw $av)->{objs} };
804	}	873	}
805		874
		875	warn sprintf "loading %s (%d)\n",
		876	$filename, length $data, scalar @{$av \|\| []};#d#
806	return ($data, $av);	877	return ($data, $av);
807	}	878	}
808		879
809	#############################################################################	880	#############################################################################
810	# command handling &c	881	# command handling &c
…		…
1001		1072
1002	=head2 CORE EXTENSIONS	1073	=head2 CORE EXTENSIONS
1003		1074
1004	Functions and methods that extend core crossfire objects.	1075	Functions and methods that extend core crossfire objects.
1005		1076
		1077	=cut
		1078
		1079	package cf::player;
		1080
1006	=head3 cf::player	1081	=head3 cf::player
1007		1082
1008	=over 4	1083	=over 4
1009		1084
1010	=item cf::player::exists $login	1085	=item cf::player::find $login
1011		1086
1012	Returns true when the given account exists.	1087	Returns the given player object, loading it if necessary (might block).
1013		1088
1014	=cut	1089	=cut
1015		1090
1016	sub cf::player::exists($) {	1091	sub playerdir($) {
1017	cf::player::find $_[0]	1092	cf::localdir
1018	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	1093	. "/"
		1094	. cf::playerdir
		1095	. "/"
		1096	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1097	}
		1098
		1099	sub path($) {
		1100	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1101
		1102	(playerdir $login) . "/$login.pl"
		1103	}
		1104
		1105	sub find_active($) {
		1106	$cf::PLAYER{$_[0]}
		1107	and $cf::PLAYER{$_[0]}->active
		1108	and $cf::PLAYER{$_[0]}
		1109	}
		1110
		1111	sub exists($) {
		1112	my ($login) = @_;
		1113
		1114	$cf::PLAYER{$login}
		1115	or cf::sync_job { !aio_stat $login }
		1116	}
		1117
		1118	sub find($) {
		1119	return $cf::PLAYER{$_[0]} \|\| do {
		1120	my $login = $_[0];
		1121
		1122	my $guard = cf::lock_acquire "user_find:$login";
		1123
		1124	$cf::PLAYER{$login} \|\|= (load_pl path $login or return);
		1125	};
		1126	}
		1127
		1128	sub save($) {
		1129	my ($pl) = @_;
		1130
		1131	return if $pl->{deny_save};
		1132
		1133	my $path = path $pl;
		1134	my $guard = cf::lock_acquire "user_save:$path";
		1135
		1136	return if $pl->{deny_save};
		1137
		1138	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;
1019	}	1175	}
1020		1176
1021	=item $player->ext_reply ($msgid, $msgtype, %msg)	1177	=item $player->ext_reply ($msgid, $msgtype, %msg)
1022		1178
1023	Sends an ext reply to the player.	1179	Sends an ext reply to the player.
1024		1180
1025	=cut	1181	=cut
1026		1182
1027	sub cf::player::ext_reply($$$%) {	1183	sub ext_reply($$$%) {
1028	my ($self, $id, %msg) = @_;	1184	my ($self, $id, %msg) = @_;
1029		1185
1030	$msg{msgid} = $id;	1186	$msg{msgid} = $id;
1031		1187
1032	$self->send ("ext " . to_json \%msg);	1188	$self->send ("ext " . cf::to_json \%msg);
1033	}	1189	}
		1190
		1191	package cf;
1034		1192
1035	=back	1193	=back
1036		1194
1037		1195
1038	=head3 cf::map	1196	=head3 cf::map
…		…
1044	package cf::map;	1202	package cf::map;
1045		1203
1046	use Fcntl;	1204	use Fcntl;
1047	use Coro::AIO;	1205	use Coro::AIO;
1048		1206
1049	our $MAX_RESET = 7200;	1207	our $MAX_RESET = 3600;
1050	our $DEFAULT_RESET = 3600;	1208	our $DEFAULT_RESET = 3000;
1051	$MAX_RESET = 10;#d#
1052	$DEFAULT_RESET = 10;#d#
1053		1209
1054	sub generate_random_map {	1210	sub generate_random_map {
1055	my ($path, $rmp) = @_;	1211	my ($path, $rmp) = @_;
1056		1212
1057	# mit "rum" bekleckern, nicht	1213	# mit "rum" bekleckern, nicht
…		…
1073	# and all this just because we cannot iterate over	1229	# and all this just because we cannot iterate over
1074	# all maps in C++...	1230	# all maps in C++...
1075	sub change_all_map_light {	1231	sub change_all_map_light {
1076	my ($change) = @_;	1232	my ($change) = @_;
1077		1233
1078	$_->change_map_light ($change) for values %cf::MAP;	1234	$_->change_map_light ($change)
		1235	for grep $_->outdoor, values %cf::MAP;
1079	}	1236	}
1080		1237
1081	sub try_load_header($) {	1238	sub try_load_header($) {
1082	my ($path) = @_;	1239	my ($path) = @_;
1083		1240
…		…
1086	or return;	1243	or return;
1087		1244
1088	my $map = cf::map::new	1245	my $map = cf::map::new
1089	or return;	1246	or return;
1090		1247
		1248	# for better error messages only, will be overwritten
		1249	$map->path ($path);
		1250
1091	$map->load_header ($path)	1251	$map->load_header ($path)
1092	or return;	1252	or return;
1093		1253
1094	$map->{load_path} = $path;	1254	$map->{load_path} = $path;
1095	use Data::Dumper; warn Dumper $map;#d#
1096		1255
1097	$map	1256	$map
1098	}	1257	}
1099		1258
		1259	sub find;
1100	sub find_map {	1260	sub find {
1101	my ($path, $origin) = @_;	1261	my ($path, $origin) = @_;
1102		1262
1103	#warn "find_map<$path,$origin>\n";#d#	1263	#warn "find<$path,$origin>\n";#d#
1104		1264
1105	$path = ref $path ? $path : new cf::path $path, $origin && $origin->path;	1265	$path = new cf::path $path, $origin && $origin->path;
1106	my $key = $path->as_string;	1266	my $key = $path->as_string;
1107		1267
		1268	cf::lock_wait "map_find:$key";
		1269
1108	$cf::MAP{$key} \|\| do {	1270	$cf::MAP{$key} \|\| do {
		1271	my $guard = cf::lock_acquire "map_find:$key";
		1272
1109	# do it the slow way	1273	# do it the slow way
1110	my $map = try_load_header $path->save_path;	1274	my $map = try_load_header $path->save_path;
1111		1275
		1276	Coro::cede;
		1277
1112	if ($map) {	1278	if ($map) {
		1279	$map->last_access ((delete $map->{last_access})
		1280	\|\| $cf::RUNTIME); #d#
1113	# safety	1281	# safety
1114	$map->{instantiate_time} = $cf::RUNTIME	1282	$map->{instantiate_time} = $cf::RUNTIME
1115	if $map->{instantiate_time} > $cf::RUNTIME;	1283	if $map->{instantiate_time} > $cf::RUNTIME;
1116	} else {	1284	} else {
1117	if (my $rmp = $path->random_map_params) {	1285	if (my $rmp = $path->random_map_params) {
…		…
1120	$map = try_load_header $path->load_path;	1288	$map = try_load_header $path->load_path;
1121	}	1289	}
1122		1290
1123	$map or return;	1291	$map or return;
1124		1292
		1293	$map->{load_original} = 1;
1125	$map->{instantiate_time} = $cf::RUNTIME;	1294	$map->{instantiate_time} = $cf::RUNTIME;
		1295	$map->last_access ($cf::RUNTIME);
1126	$map->instantiate;	1296	$map->instantiate;
1127		1297
1128	# per-player maps become, after loading, normal maps	1298	# per-player maps become, after loading, normal maps
1129	$map->per_player (0) if $path->{user_rel};	1299	$map->per_player (0) if $path->{user_rel};
1130	}	1300	}
1131		1301
1132	$map->path ($key);	1302	$map->path ($key);
1133	$map->{path} = $path;	1303	$map->{path} = $path;
1134	$map->last_access ($cf::RUNTIME);	1304	$map->{last_save} = $cf::RUNTIME;
1135		1305
		1306	Coro::cede;
		1307
1136	$map->reset if $map->should_reset;	1308	if ($map->should_reset) {
		1309	$map->reset;
		1310	undef $guard;
		1311	$map = find $path
		1312	or return;
		1313	}
1137		1314
1138	$cf::MAP{$key} = $map	1315	$cf::MAP{$key} = $map
1139	}	1316	}
1140	}	1317	}
1141		1318
1142	sub load {	1319	sub load {
1143	my ($self) = @_;	1320	my ($self) = @_;
1144		1321
		1322	my $path = $self->{path};
		1323	my $guard = cf::lock_acquire "map_load:" . $path->as_string;
		1324
1145	return if $self->in_memory != cf::MAP_SWAPPED;	1325	return if $self->in_memory != cf::MAP_SWAPPED;
1146		1326
1147	$self->in_memory (cf::MAP_LOADING);	1327	$self->in_memory (cf::MAP_LOADING);
1148
1149	my $path = $self->{path};
1150		1328
1151	$self->alloc;	1329	$self->alloc;
1152	$self->load_objects ($self->{load_path}, 1)	1330	$self->load_objects ($self->{load_path}, 1)
1153	or return;	1331	or return;
		1332
		1333	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1334	if delete $self->{load_original};
1154		1335
1155	if (my $uniq = $path->uniq_path) {	1336	if (my $uniq = $path->uniq_path) {
1156	utf8::encode $uniq;	1337	utf8::encode $uniq;
1157	if (aio_open $uniq, O_RDONLY, 0) {	1338	if (aio_open $uniq, O_RDONLY, 0) {
1158	$self->clear_unique_items;	1339	$self->clear_unique_items;
1159	$self->load_objects ($uniq, 0);	1340	$self->load_objects ($uniq, 0);
1160	}	1341	}
1161	}	1342	}
		1343
		1344	Coro::cede;
1162		1345
1163	# now do the right thing for maps	1346	# now do the right thing for maps
1164	$self->link_multipart_objects;	1347	$self->link_multipart_objects;
1165		1348
1166	if ($self->{path}->is_style_map) {	1349	if ($self->{path}->is_style_map) {
…		…
1174	$self->difficulty ($self->estimate_difficulty)	1357	$self->difficulty ($self->estimate_difficulty)
1175	unless $self->difficulty;	1358	unless $self->difficulty;
1176	$self->activate;	1359	$self->activate;
1177	}	1360	}
1178		1361
		1362	Coro::cede;
		1363
1179	$self->in_memory (cf::MAP_IN_MEMORY);	1364	$self->in_memory (cf::MAP_IN_MEMORY);
1180	}	1365	}
1181		1366
1182	sub load_map_sync {	1367	sub find_sync {
1183	my ($path, $origin) = @_;	1368	my ($path, $origin) = @_;
1184		1369
1185	#warn "load_map_sync<$path, $origin>\n";#d#	1370	cf::sync_job { cf::map::find $path, $origin }
		1371	}
1186		1372
1187	cf::sync_job {	1373	sub do_load_sync {
1188	my $map = cf::map::find_map $path, $origin	1374	my ($map) = @_;
1189	or return;	1375
1190	$map->load;	1376	cf::sync_job { $map->load };
1191	$map
1192	}
1193	}	1377	}
1194		1378
1195	sub save {	1379	sub save {
1196	my ($self) = @_;	1380	my ($self) = @_;
1197		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
1198	my $save = $self->{path}->save_path; utf8::encode $save;	1388	my $save = $self->{path}->save_path; utf8::encode $save;
1199	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1389	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1200		1390
1201	$self->{last_save} = $cf::RUNTIME;
1202
1203	return unless $self->dirty;
1204
1205	$self->{load_path} = $save;	1391	$self->{load_path} = $save;
1206		1392
1207	return if $self->{deny_save};	1393	return if $self->{deny_save};
1208		1394
1209	warn "saving map ", $self->path;	1395	local $self->{last_access} = $self->last_access;#d#
		1396
		1397	cf::async {
		1398	$_->contr->save for $self->players;
		1399	};
1210		1400
1211	if ($uniq) {	1401	if ($uniq) {
1212	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);	1402	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);
1213	$self->save_objects ($uniq, cf::IO_UNIQUES);	1403	$self->save_objects ($uniq, cf::IO_UNIQUES);
1214	} else {	1404	} else {
…		…
1217	}	1407	}
1218		1408
1219	sub swap_out {	1409	sub swap_out {
1220	my ($self) = @_;	1410	my ($self) = @_;
1221		1411
		1412	# save first because save cedes
		1413	$self->save;
		1414
		1415	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1416
1222	return if $self->players;	1417	return if $self->players;
1223	return if $self->in_memory != cf::MAP_IN_MEMORY;	1418	return if $self->in_memory != cf::MAP_IN_MEMORY;
1224	return if $self->{deny_save};	1419	return if $self->{deny_save};
1225		1420
1226	$self->save;
1227	$self->clear;	1421	$self->clear;
1228	$self->in_memory (cf::MAP_SWAPPED);	1422	$self->in_memory (cf::MAP_SWAPPED);
1229	}	1423	}
1230		1424
		1425	sub reset_at {
		1426	my ($self) = @_;
		1427
		1428	# TODO: safety, remove and allow resettable per-player maps
		1429	return 1e99 if $self->{path}{user_rel};
		1430	return 1e99 if $self->{deny_reset};
		1431
		1432	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1433	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;
		1434
		1435	$time + $to
		1436	}
		1437
1231	sub should_reset {	1438	sub should_reset {
1232	my ($map) = @_;
1233
1234	# TODO: safety, remove and allow resettable per-player maps
1235	return if $map->{path}{user_rel};#d#
1236	return if $map->{deny_reset};
1237	#return unless $map->reset_timeout;
1238
1239	my $time = $map->fixed_resettime ? $map->{instantiate_time} : $map->last_access;
1240
1241	$time + ($map->reset_timeout \|\| $DEFAULT_RESET) < $cf::RUNTIME
1242	}
1243
1244	sub reset {
1245	my ($self) = @_;	1439	my ($self) = @_;
1246		1440
1247	return if $self->players;	1441	$self->reset_at <= $cf::RUNTIME
1248	return if $self->{path}{user_rel};#d#	1442	}
1249		1443
1250	warn "resetting map ", $self->path;#d#	1444	sub unlink_save {
		1445	my ($self) = @_;
1251		1446
1252	utf8::encode (my $save = $self->{path}->save_path);	1447	utf8::encode (my $save = $self->{path}->save_path);
1253	aioreq_pri 3; IO::AIO::aio_unlink $save;	1448	aioreq_pri 3; IO::AIO::aio_unlink $save;
1254	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";	1449	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
		1450	}
		1451
		1452	sub rename {
		1453	my ($self, $new_path) = @_;
		1454
		1455	$self->unlink_save;
		1456
		1457	delete $cf::MAP{$self->path};
		1458	$self->{path} = new cf::path $new_path;
		1459	$self->path ($self->{path}->as_string);
		1460	$cf::MAP{$self->path} = $self;
		1461
		1462	$self->save;
		1463	}
		1464
		1465	sub reset {
		1466	my ($self) = @_;
		1467
		1468	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1469
		1470	return if $self->players;
		1471	return if $self->{path}{user_rel};#d#
		1472
		1473	warn "resetting map ", $self->path;#d#
		1474
		1475	delete $cf::MAP{$self->path};
1255		1476
1256	$_->clear_links_to ($self) for values %cf::MAP;	1477	$_->clear_links_to ($self) for values %cf::MAP;
1257		1478
		1479	$self->unlink_save;
1258	$self->clear;	1480	$self->destroy;
1259	$self->in_memory (cf::MAP_SWAPPED);	1481	}
1260	utf8::encode ($self->{load_path} = $self->{path}->load_path);	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	$self->reset; # polite request, might not happen
1261	}	1492	}
1262		1493
1263	sub customise_for {	1494	sub customise_for {
1264	my ($map, $ob) = @_;	1495	my ($map, $ob) = @_;
1265		1496
1266	if ($map->per_player) {	1497	if ($map->per_player) {
1267	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1498	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1268	}	1499	}
1269		1500
1270	$map	1501	$map
1271	}	1502	}
1272		1503
1273	sub emergency_save {	1504	sub emergency_save {
1274	local $cf::FREEZE = 1;	1505	my $freeze_guard = cf::freeze_mainloop;
1275		1506
1276	warn "enter emergency map save\n";	1507	warn "enter emergency perl save\n";
1277		1508
1278	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
1279	warn "begin emergency map save\n";	1514	warn "begin emergency map save\n";
1280	$_->save for values %cf::MAP;	1515	$_->save for values %cf::MAP;
		1516	warn "end emergency map save\n";
1281	};	1517	};
1282		1518
1283	warn "end emergency map save\n";	1519	warn "leave emergency perl save\n";
1284	}	1520	}
1285		1521
1286	package cf;	1522	package cf;
1287		1523
1288	=back	1524	=back
…		…
1330	(ref $cf::CFG{"may_$access"}	1566	(ref $cf::CFG{"may_$access"}
1331	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1567	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1332	: $cf::CFG{"may_$access"})	1568	: $cf::CFG{"may_$access"})
1333	}	1569	}
1334		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, $y)
		1579
		1580	Moves the player out of the specila link map onto the given map. If the
		1581	map is not valid (or omitted), the player will be moved back to the
		1582	location he/she was before the call to C<enter_link>, or, if that fails,
		1583	to the emergency map position.
		1584
		1585	Might block.
		1586
		1587	=cut
		1588
1335	sub cf::object::player::enter_link {	1589	sub cf::object::player::enter_link {
1336	my ($self) = @_;	1590	my ($self) = @_;
1337		1591
		1592	$self->deactivate_recursive;
		1593
1338	return if $self->map == $LINK_MAP;	1594	return if $self->map == $LINK_MAP;
1339		1595
1340	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1596	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]
1341	if $self->map;	1597	if $self->map;
1342		1598
1343	$self->enter_map ($LINK_MAP, 20, 20);	1599	$self->enter_map ($LINK_MAP, 20, 20);
1344	$self->deactivate_recursive;
1345	}	1600	}
1346		1601
1347	sub cf::object::player::leave_link {	1602	sub cf::object::player::leave_link {
1348	my ($self, $map, $x, $y) = @_;	1603	my ($self, $map, $x, $y) = @_;
1349		1604
1350	my $link_pos = delete $self->{_link_pos};	1605	my $link_pos = delete $self->{_link_pos};
1351		1606
1352	unless ($map) {	1607	unless ($map) {
1353	$self->message ("The exit is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
1354
1355	# restore original map position	1608	# restore original map position
1356	($map, $x, $y) = @{ $link_pos \|\| [] };	1609	($map, $x, $y) = @{ $link_pos \|\| [] };
1357	$map = cf::map::find_map $map;	1610	$map = cf::map::find $map;
1358		1611
1359	unless ($map) {	1612	unless ($map) {
1360	($map, $x, $y) = @$EMERGENCY_POSITION;	1613	($map, $x, $y) = @$EMERGENCY_POSITION;
1361	$map = cf::map::find_map $map	1614	$map = cf::map::find $map
1362	or die "FATAL: cannot load emergency map\n";	1615	or die "FATAL: cannot load emergency map\n";
1363	}	1616	}
1364	}	1617	}
1365		1618
1366	($x, $y) = (-1, -1)	1619	($x, $y) = (-1, -1)
…		…
1370	($x, $y) = ($map->enter_x, $map->enter_y)	1623	($x, $y) = ($map->enter_x, $map->enter_y)
1371	if $x <=0 && $y <= 0;	1624	if $x <=0 && $y <= 0;
1372		1625
1373	$map->load;	1626	$map->load;
1374		1627
		1628	return unless $self->contr->active;
1375	$self->activate_recursive;	1629	$self->activate_recursive;
1376	$self->enter_map ($map, $x, $y);	1630	$self->enter_map ($map, $x, $y);
1377	}	1631	}
1378		1632
		1633	cf::player->attach (
		1634	on_logout => sub {
		1635	my ($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
1379	=item $player_object->goto_map ($map, $x, $y)	1665	=item $player_object->goto ($path, $x, $y)
1380		1666
1381	=cut	1667	=cut
1382		1668
1383	sub cf::object::player::goto_map {	1669	sub cf::object::player::goto {
1384	my ($self, $path, $x, $y) = @_;	1670	my ($self, $path, $x, $y) = @_;
1385		1671
1386	$self->enter_link;	1672	$self->enter_link;
1387		1673
1388	(Coro::async {	1674	(async {
1389	$path = new cf::path $path;	1675	$path = new cf::path $path;
1390		1676
1391	my $map = cf::map::find_map $path->as_string;	1677	my $map = cf::map::find $path->as_string;
1392	$map = $map->customise_for ($self) if $map;	1678	$map = $map->customise_for ($self) if $map;
1393		1679
1394	warn "entering ", $map->path, " at ($x, $y)\n"	1680	# warn "entering ", $map->path, " at ($x, $y)\n"
1395	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);
1396		1685
1397	$self->leave_link ($map, $x, $y);	1686	$self->leave_link ($map, $x, $y);
1398	})->prio (1);	1687	})->prio (1);
1399	}	1688	}
1400		1689
…		…
1453		1742
1454	return unless $self->type == cf::PLAYER;	1743	return unless $self->type == cf::PLAYER;
1455		1744
1456	$self->enter_link;	1745	$self->enter_link;
1457		1746
1458	(Coro::async {	1747	(async {
		1748	$self->deactivate_recursive; # just to be sure
1459	unless (eval {	1749	unless (eval {
1460
1461	prepare_random_map $exit	1750	prepare_random_map $exit
1462	if $exit->slaying eq "/!";	1751	if $exit->slaying eq "/!";
1463		1752
1464	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;
1465	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1754	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1466		1755
1467	1;	1756	1;
1468	}) {	1757	}) {
1469	$self->message ("Something went wrong deep within the crossfire server. "	1758	$self->message ("Something went wrong deep within the crossfire server. "
1470	. "I'll try to bring you back to the map you were before. "	1759	. "I'll try to bring you back to the map you were before. "
…		…
1527	on_reply => sub {	1816	on_reply => sub {
1528	my ($ns, $msg) = @_;	1817	my ($ns, $msg) = @_;
1529		1818
1530	# this weird shuffling is so that direct followup queries	1819	# this weird shuffling is so that direct followup queries
1531	# get handled first	1820	# get handled first
1532	my $queue = delete $ns->{query_queue};	1821	my $queue = delete $ns->{query_queue}
		1822	or return; # be conservative, not sure how that can happen, but we saw a crash here
1533		1823
1534	(shift @$queue)->[1]->($msg);	1824	(shift @$queue)->[1]->($msg);
1535		1825
1536	push @{ $ns->{query_queue} }, @$queue;	1826	push @{ $ns->{query_queue} }, @$queue;
1537		1827
…		…
1543	}	1833	}
1544	}	1834	}
1545	},	1835	},
1546	);	1836	);
1547		1837
1548	=item $client->coro (\&cb)	1838	=item $client->async (\&cb)
1549		1839
1550	Create a new coroutine, running the specified callback. The coroutine will	1840	Create a new coroutine, running the specified callback. The coroutine will
1551	be automatically cancelled when the client gets destroyed (e.g. on logout,	1841	be automatically cancelled when the client gets destroyed (e.g. on logout,
1552	or loss of connection).	1842	or loss of connection).
1553		1843
1554	=cut	1844	=cut
1555		1845
1556	sub cf::client::coro {	1846	sub cf::client::async {
1557	my ($self, $cb) = @_;	1847	my ($self, $cb) = @_;
1558		1848
1559	my $coro; $coro = async {	1849	my $coro = &Coro::async ($cb);
1560	eval {
1561	$cb->();
1562	};
1563	warn $@ if $@;
1564	};
1565		1850
1566	$coro->on_destroy (sub {	1851	$coro->on_destroy (sub {
1567	delete $self->{_coro}{$coro+0};	1852	delete $self->{_coro}{$coro+0};
1568	});	1853	});
1569		1854
…		…
1741		2026
1742	{	2027	{
1743	my $path = cf::localdir . "/database.pst";	2028	my $path = cf::localdir . "/database.pst";
1744		2029
1745	sub db_load() {	2030	sub db_load() {
1746	warn "loading database $path\n";#d# remove later
1747	$DB = stat $path ? Storable::retrieve $path : { };	2031	$DB = stat $path ? Storable::retrieve $path : { };
1748	}	2032	}
1749		2033
1750	my $pid;	2034	my $pid;
1751		2035
1752	sub db_save() {	2036	sub db_save() {
1753	warn "saving database $path\n";#d# remove later
1754	waitpid $pid, 0 if $pid;	2037	waitpid $pid, 0 if $pid;
1755	if (0 == ($pid = fork)) {	2038	if (0 == ($pid = fork)) {
1756	$DB->{_meta}{version} = 1;	2039	$DB->{_meta}{version} = 1;
1757	Storable::nstore $DB, "$path~";	2040	Storable::nstore $DB, "$path~";
1758	rename "$path~", $path;	2041	rename "$path~", $path;
…		…
1806	open my $fh, "<:utf8", cf::confdir . "/config"	2089	open my $fh, "<:utf8", cf::confdir . "/config"
1807	or return;	2090	or return;
1808		2091
1809	local $/;	2092	local $/;
1810	*CFG = YAML::Syck::Load <$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	}
1811	}	2107	}
1812		2108
1813	sub main {	2109	sub main {
1814	# we must not ever block the main coroutine	2110	# we must not ever block the main coroutine
1815	local $Coro::idle = sub {	2111	local $Coro::idle = sub {
1816	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2112	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1817	(Coro::unblock_sub {
1818	Event::one_event;	2113	async { Event::one_event };
1819	})->();
1820	};	2114	};
1821		2115
1822	cfg_load;	2116	cfg_load;
1823	db_load;	2117	db_load;
1824	load_extensions;	2118	load_extensions;
…		…
1826	}	2120	}
1827		2121
1828	#############################################################################	2122	#############################################################################
1829	# initialisation	2123	# initialisation
1830		2124
1831	sub perl_reload() {	2125	sub reload() {
1832	# can/must only be called in main	2126	# can/must only be called in main
1833	if ($Coro::current != $Coro::main) {	2127	if ($Coro::current != $Coro::main) {
1834	warn "can only reload from main coroutine\n";	2128	warn "can only reload from main coroutine\n";
1835	return;	2129	return;
1836	}	2130	}
1837		2131
1838	warn "reloading...";	2132	warn "reloading...";
1839		2133
1840	local $FREEZE = 1;	2134	my $guard = freeze_mainloop;
1841	cf::emergency_save;	2135	cf::emergency_save;
1842		2136
1843	eval {	2137	eval {
1844	# 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
1845		2139
…		…
1907	cf::load_extensions;	2201	cf::load_extensions;
1908		2202
1909	# reattach attachments to objects	2203	# reattach attachments to objects
1910	warn "reattach";	2204	warn "reattach";
1911	_global_reattach;	2205	_global_reattach;
		2206	reattach $_ for values %MAP;
1912	};	2207	};
1913		2208
1914	if ($@) {	2209	if ($@) {
1915	warn $@;	2210	warn $@;
1916	warn "error while reloading, exiting.";	2211	warn "error while reloading, exiting.";
…		…
1932	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";	2227	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1933	$LINK_MAP->in_memory (MAP_IN_MEMORY);	2228	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1934		2229
1935	# dirty hack because... archetypes are not yet loaded	2230	# dirty hack because... archetypes are not yet loaded
1936	Event->timer (	2231	Event->timer (
1937	after => 2,	2232	after => 10,
1938	cb => sub {	2233	cb => sub {
1939	$_[0]->w->cancel;	2234	$_[0]->w->cancel;
1940		2235
1941	# provide some exits "home"	2236	# provide some exits "home"
1942	my $exit = cf::object::new "exit";	2237	my $exit = cf::object::new "exit";
…		…
1963	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;	2258	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1964	}	2259	}
1965		2260
1966	register "<global>", __PACKAGE__;	2261	register "<global>", __PACKAGE__;
1967		2262
1968	register_command "perl-reload" => sub {	2263	register_command "reload" => sub {
1969	my ($who, $arg) = @_;	2264	my ($who, $arg) = @_;
1970		2265
1971	if ($who->flag (FLAG_WIZ)) {	2266	if ($who->flag (FLAG_WIZ)) {
1972	$who->message ("start of reload.");	2267	$who->message ("start of reload.");
1973	perl_reload;	2268	reload;
1974	$who->message ("end of reload.");	2269	$who->message ("end of reload.");
1975	}	2270	}
1976	};	2271	};
1977		2272
1978	unshift @INC, $LIBDIR;	2273	unshift @INC, $LIBDIR;
…		…
1981	reentrant => 0,	2276	reentrant => 0,
1982	prio => 0,	2277	prio => 0,
1983	at => $NEXT_TICK \|\| $TICK,	2278	at => $NEXT_TICK \|\| $TICK,
1984	data => WF_AUTOCANCEL,	2279	data => WF_AUTOCANCEL,
1985	cb => sub {	2280	cb => sub {
1986	unless ($FREEZE) {
1987	cf::server_tick; # one server iteration	2281	cf::server_tick; # one server iteration
1988	$RUNTIME += $TICK;	2282	$RUNTIME += $TICK;
1989	}
1990
1991	$NEXT_TICK += $TICK;	2283	$NEXT_TICK += $TICK;
1992		2284
1993	# 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
1994	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2286	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1995		2287
…		…
2018	or warn "ERROR: unable to write runtime file: $!";	2310	or warn "ERROR: unable to write runtime file: $!";
2019	})->();	2311	})->();
2020	},	2312	},
2021	);	2313	);
2022		2314
		2315	END { cf::emergency_save }
		2316
2023	1	2317	1
2024		2318

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.110 by root, Mon Jan 1 11:21:55 2007 UTC vs. Revision 1.150 by root, Mon Jan 8 19:25:53 2007 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.110 by root, Mon Jan 1 11:21:55 2007 UTC vs.
Revision 1.150 by root, Mon Jan 8 19:25:53 2007 UTC