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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.109 by root, Sun Dec 31 22:23:12 2006 UTC vs.
Revision 1.149 by root, Mon Jan 8 14:11:05 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	our $EMERGENCY_POSITION;
76		77
77	#############################################################################	78	#############################################################################
78		79
79	=head2 GLOBAL VARIABLES	80	=head2 GLOBAL VARIABLES
80		81
…		…
117	utf8::encode $msg;	118	utf8::encode $msg;
118		119
119	$msg .= "\n"	120	$msg .= "\n"
120	unless $msg =~ /\n$/;	121	unless $msg =~ /\n$/;
121		122
122	LOG llevError, "cfperl: $msg";	123	LOG llevError, $msg;
123	};	124	};
124	}	125	}
125		126
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
179	sub to_json($) {	180	sub to_json($) {
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]	182	JSON::Syck::Dump $_[0]
182	}	183	}
183		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	$guard
		233	}
		234
		235	=item cf::async { BLOCK }
		236
		237	Currently the same as Coro::async_pool, meaning you cannot use
		238	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		239	thing you are allowed to do is call C<prio> on it.
		240
		241	=cut
		242
		243	BEGIN { *async = \&Coro::async_pool }
		244
184	=item cf::sync_job { BLOCK }	245	=item cf::sync_job { BLOCK }
185		246
186	The design of crossfire+ requires that the main coro ($Coro::main) is	247	The design of crossfire+ requires that the main coro ($Coro::main) is
187	always able to handle events or runnable, as crossfire+ is only partly	248	always able to handle events or runnable, as crossfire+ is only partly
188	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	249	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.
…		…
195	=cut	256	=cut
196		257
197	sub sync_job(&) {	258	sub sync_job(&) {
198	my ($job) = @_;	259	my ($job) = @_;
199		260
200	my $busy = 1;
201	my @res;
202
203	# TODO: use suspend/resume instead
204	local $FREEZE = 1;
205
206	my $coro = Coro::async {
207	@res = eval { $job->() };
208	warn $@ if $@;
209	undef $busy;
210	};
211
212	if ($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
		265	# TODO: use suspend/resume instead
		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;
213	$coro->prio (Coro::PRIO_MAX);	276	})->prio (Coro::PRIO_MAX);
		277
214	while ($busy) {	278	while ($busy) {
215	Coro::cede_notself;	279	Coro::cede or Event::one_event;
216	Event::one_event unless Coro::nready;
217	}	280	}
		281
		282	wantarray ? @res : $res[0]
218	} else {	283	} else {
219	$coro->join;	284	# we are in another coroutine, how wonderful, everything just works
		285
		286	$job->()
220	}	287	}
221
222	wantarray ? @res : $res[0]
223	}	288	}
224		289
225	=item $coro = cf::coro { BLOCK }	290	=item $coro = cf::async_ext { BLOCK }
226		291
227	Creates and returns a new coro. This coro is automcatially being canceled	292	Like async, but this coro is automcatially being canceled when the
228	when the extension calling this is being unloaded.	293	extension calling this is being unloaded.
229		294
230	=cut	295	=cut
231		296
232	sub coro(&) {	297	sub async_ext(&) {
233	my $cb = shift;	298	my $cb = shift;
234		299
235	my $coro; $coro = async {	300	my $coro = &Coro::async ($cb);
236	eval {
237	$cb->();
238	};
239	warn $@ if $@;
240	};
241		301
242	$coro->on_destroy (sub {	302	$coro->on_destroy (sub {
243	delete $EXT_CORO{$coro+0};	303	delete $EXT_CORO{$coro+0};
244	});	304	});
245	$EXT_CORO{$coro+0} = $coro;	305	$EXT_CORO{$coro+0} = $coro;
…		…
251	my $runtime = cf::localdir . "/runtime";	311	my $runtime = cf::localdir . "/runtime";
252		312
253	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644	313	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644
254	or return;	314	or return;
255		315
256	my $value = $cf::RUNTIME;	316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock
257	(aio_write $fh, 0, (length $value), $value, 0) <= 0	317	(aio_write $fh, 0, (length $value), $value, 0) <= 0
258	and return;	318	and return;
259		319
260	aio_fsync $fh	320	aio_fsync $fh
261	and return;	321	and return;
…		…
278	package cf::path;	338	package cf::path;
279		339
280	sub new {	340	sub new {
281	my ($class, $path, $base) = @_;	341	my ($class, $path, $base) = @_;
282		342
		343	$path = $path->as_string if ref $path;
		344
283	my $self = bless { }, $class;	345	my $self = bless { }, $class;
284		346
		347	# {... are special paths that are not touched
		348	# ?xxx/... are special absolute paths
		349	# ?random/... random maps
		350	# /! non-realised random map exit
		351	# /... normal maps
		352	# ~/... per-player maps without a specific player (DO NOT USE)
		353	# ~user/... per-player map of a specific user
		354
		355	if ($path =~ /^{/) {
		356	# fine as it is
285	if ($path =~ s{^\?random/}{}) {	357	} elsif ($path =~ s{^\?random/}{}) {
286	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;	358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
287	$self->{random} = cf::from_json $data;	359	$self->{random} = cf::from_json $data;
288	} else {	360	} else {
289	if ($path =~ s{^~([^/]+)?}{}) {	361	if ($path =~ s{^~([^/]+)?}{}) {
290	$self->{user_rel} = 1;	362	$self->{user_rel} = 1;
…		…
795	or return;	867	or return;
796		868
797	unless (aio_stat "$filename.pst") {	869	unless (aio_stat "$filename.pst") {
798	(aio_load "$filename.pst", $av) >= 0	870	(aio_load "$filename.pst", $av) >= 0
799	or return;	871	or return;
800	$av = eval { (Storable::thaw <$av>)->{objs} };	872	$av = eval { (Storable::thaw $av)->{objs} };
801	}	873	}
802		874
		875	warn sprintf "loading %s (%d)\n",
		876	$filename, length $data, scalar @{$av \|\| []};#d#
803	return ($data, $av);	877	return ($data, $av);
804	}	878	}
805		879
806	#############################################################################	880	#############################################################################
807	# command handling &c	881	# command handling &c
…		…
998		1072
999	=head2 CORE EXTENSIONS	1073	=head2 CORE EXTENSIONS
1000		1074
1001	Functions and methods that extend core crossfire objects.	1075	Functions and methods that extend core crossfire objects.
1002		1076
		1077	=cut
		1078
		1079	package cf::player;
		1080
1003	=head3 cf::player	1081	=head3 cf::player
1004		1082
1005	=over 4	1083	=over 4
1006		1084
1007	=item cf::player::exists $login	1085	=item cf::player::find $login
1008		1086
1009	Returns true when the given account exists.	1087	Returns the given player object, loading it if necessary (might block).
1010		1088
1011	=cut	1089	=cut
1012		1090
1013	sub cf::player::exists($) {	1091	sub playerdir($) {
1014	cf::player::find $_[0]	1092	cf::localdir
1015	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[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	IO::AIO::aio_rename $path, $temp, sub {
		1172	delete $cf::PLAYER{$pl->ob->name};
		1173	$pl->destroy;
		1174
		1175	IO::AIO::aio_rmtree $temp;
		1176	};
1016	}	1177	}
1017		1178
1018	=item $player->ext_reply ($msgid, $msgtype, %msg)	1179	=item $player->ext_reply ($msgid, $msgtype, %msg)
1019		1180
1020	Sends an ext reply to the player.	1181	Sends an ext reply to the player.
1021		1182
1022	=cut	1183	=cut
1023		1184
1024	sub cf::player::ext_reply($$$%) {	1185	sub ext_reply($$$%) {
1025	my ($self, $id, %msg) = @_;	1186	my ($self, $id, %msg) = @_;
1026		1187
1027	$msg{msgid} = $id;	1188	$msg{msgid} = $id;
1028		1189
1029	$self->send ("ext " . to_json \%msg);	1190	$self->send ("ext " . cf::to_json \%msg);
1030	}	1191	}
		1192
		1193	package cf;
1031		1194
1032	=back	1195	=back
		1196
		1197
		1198	=head3 cf::map
		1199
		1200	=over 4
		1201
		1202	=cut
		1203
		1204	package cf::map;
		1205
		1206	use Fcntl;
		1207	use Coro::AIO;
		1208
		1209	our $MAX_RESET = 3600;
		1210	our $DEFAULT_RESET = 3000;
		1211
		1212	sub generate_random_map {
		1213	my ($path, $rmp) = @_;
		1214
		1215	# mit "rum" bekleckern, nicht
		1216	cf::map::_create_random_map
		1217	$path,
		1218	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
		1219	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
		1220	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
		1221	$rmp->{exit_on_final_map},
		1222	$rmp->{xsize}, $rmp->{ysize},
		1223	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
		1224	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
		1225	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
		1226	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
		1227	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
		1228	(cf::region::find $rmp->{region})
		1229	}
		1230
		1231	# and all this just because we cannot iterate over
		1232	# all maps in C++...
		1233	sub change_all_map_light {
		1234	my ($change) = @_;
		1235
		1236	$_->change_map_light ($change)
		1237	for grep $_->outdoor, values %cf::MAP;
		1238	}
		1239
		1240	sub try_load_header($) {
		1241	my ($path) = @_;
		1242
		1243	utf8::encode $path;
		1244	aio_open $path, O_RDONLY, 0
		1245	or return;
		1246
		1247	my $map = cf::map::new
		1248	or return;
		1249
		1250	# for better error messages only, will be overwritten
		1251	$map->path ($path);
		1252
		1253	$map->load_header ($path)
		1254	or return;
		1255
		1256	$map->{load_path} = $path;
		1257
		1258	$map
		1259	}
		1260
		1261	sub find;
		1262	sub find {
		1263	my ($path, $origin) = @_;
		1264
		1265	#warn "find<$path,$origin>\n";#d#
		1266
		1267	$path = new cf::path $path, $origin && $origin->path;
		1268	my $key = $path->as_string;
		1269
		1270	cf::lock_wait "map_find:$key";
		1271
		1272	$cf::MAP{$key} \|\| do {
		1273	my $guard = cf::lock_acquire "map_find:$key";
		1274
		1275	# do it the slow way
		1276	my $map = try_load_header $path->save_path;
		1277
		1278	Coro::cede;
		1279
		1280	if ($map) {
		1281	$map->last_access ((delete $map->{last_access})
		1282	\|\| $cf::RUNTIME); #d#
		1283	# safety
		1284	$map->{instantiate_time} = $cf::RUNTIME
		1285	if $map->{instantiate_time} > $cf::RUNTIME;
		1286	} else {
		1287	if (my $rmp = $path->random_map_params) {
		1288	$map = generate_random_map $key, $rmp;
		1289	} else {
		1290	$map = try_load_header $path->load_path;
		1291	}
		1292
		1293	$map or return;
		1294
		1295	$map->{load_original} = 1;
		1296	$map->{instantiate_time} = $cf::RUNTIME;
		1297	$map->last_access ($cf::RUNTIME);
		1298	$map->instantiate;
		1299
		1300	# per-player maps become, after loading, normal maps
		1301	$map->per_player (0) if $path->{user_rel};
		1302	}
		1303
		1304	$map->path ($key);
		1305	$map->{path} = $path;
		1306	$map->{last_save} = $cf::RUNTIME;
		1307
		1308	Coro::cede;
		1309
		1310	if ($map->should_reset) {
		1311	$map->reset;
		1312	undef $guard;
		1313	$map = find $path
		1314	or return;
		1315	}
		1316
		1317	$cf::MAP{$key} = $map
		1318	}
		1319	}
		1320
		1321	sub load {
		1322	my ($self) = @_;
		1323
		1324	my $path = $self->{path};
		1325	my $guard = cf::lock_acquire "map_load:" . $path->as_string;
		1326
		1327	return if $self->in_memory != cf::MAP_SWAPPED;
		1328
		1329	$self->in_memory (cf::MAP_LOADING);
		1330
		1331	$self->alloc;
		1332	$self->load_objects ($self->{load_path}, 1)
		1333	or return;
		1334
		1335	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1336	if delete $self->{load_original};
		1337
		1338	if (my $uniq = $path->uniq_path) {
		1339	utf8::encode $uniq;
		1340	if (aio_open $uniq, O_RDONLY, 0) {
		1341	$self->clear_unique_items;
		1342	$self->load_objects ($uniq, 0);
		1343	}
		1344	}
		1345
		1346	Coro::cede;
		1347
		1348	# now do the right thing for maps
		1349	$self->link_multipart_objects;
		1350
		1351	if ($self->{path}->is_style_map) {
		1352	$self->{deny_save} = 1;
		1353	$self->{deny_reset} = 1;
		1354	} else {
		1355	$self->fix_auto_apply;
		1356	$self->decay_objects;
		1357	$self->update_buttons;
		1358	$self->set_darkness_map;
		1359	$self->difficulty ($self->estimate_difficulty)
		1360	unless $self->difficulty;
		1361	$self->activate;
		1362	}
		1363
		1364	Coro::cede;
		1365
		1366	$self->in_memory (cf::MAP_IN_MEMORY);
		1367	}
		1368
		1369	sub find_sync {
		1370	my ($path, $origin) = @_;
		1371
		1372	cf::sync_job { cf::map::find $path, $origin }
		1373	}
		1374
		1375	sub do_load_sync {
		1376	my ($map) = @_;
		1377
		1378	cf::sync_job { $map->load };
		1379	}
		1380
		1381	sub save {
		1382	my ($self) = @_;
		1383
		1384	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1385
		1386	$self->{last_save} = $cf::RUNTIME;
		1387
		1388	return unless $self->dirty;
		1389
		1390	my $save = $self->{path}->save_path; utf8::encode $save;
		1391	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
		1392
		1393	$self->{load_path} = $save;
		1394
		1395	return if $self->{deny_save};
		1396
		1397	local $self->{last_access} = $self->last_access;#d#
		1398
		1399	cf::async {
		1400	$_->contr->save for $self->players;
		1401	};
		1402
		1403	if ($uniq) {
		1404	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);
		1405	$self->save_objects ($uniq, cf::IO_UNIQUES);
		1406	} else {
		1407	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS \| cf::IO_UNIQUES);
		1408	}
		1409	}
		1410
		1411	sub swap_out {
		1412	my ($self) = @_;
		1413
		1414	# save first because save cedes
		1415	$self->save;
		1416
		1417	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1418
		1419	return if $self->players;
		1420	return if $self->in_memory != cf::MAP_IN_MEMORY;
		1421	return if $self->{deny_save};
		1422
		1423	$self->clear;
		1424	$self->in_memory (cf::MAP_SWAPPED);
		1425	}
		1426
		1427	sub reset_at {
		1428	my ($self) = @_;
		1429
		1430	# TODO: safety, remove and allow resettable per-player maps
		1431	return 1e99 if $self->{path}{user_rel};
		1432	return 1e99 if $self->{deny_reset};
		1433
		1434	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1435	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;
		1436
		1437	$time + $to
		1438	}
		1439
		1440	sub should_reset {
		1441	my ($self) = @_;
		1442
		1443	$self->reset_at <= $cf::RUNTIME
		1444	}
		1445
		1446	sub unlink_save {
		1447	my ($self) = @_;
		1448
		1449	utf8::encode (my $save = $self->{path}->save_path);
		1450	aioreq_pri 3; IO::AIO::aio_unlink $save;
		1451	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
		1452	}
		1453
		1454	sub rename {
		1455	my ($self, $new_path) = @_;
		1456
		1457	$self->unlink_save;
		1458
		1459	delete $cf::MAP{$self->path};
		1460	$self->{path} = new cf::path $new_path;
		1461	$self->path ($self->{path}->as_string);
		1462	$cf::MAP{$self->path} = $self;
		1463
		1464	$self->save;
		1465	}
		1466
		1467	sub reset {
		1468	my ($self) = @_;
		1469
		1470	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1471
		1472	return if $self->players;
		1473	return if $self->{path}{user_rel};#d#
		1474
		1475	warn "resetting map ", $self->path;#d#
		1476
		1477	delete $cf::MAP{$self->path};
		1478
		1479	$_->clear_links_to ($self) for values %cf::MAP;
		1480
		1481	$self->unlink_save;
		1482	$self->destroy;
		1483	}
		1484
		1485	my $nuke_counter = "aaaa";
		1486
		1487	sub nuke {
		1488	my ($self) = @_;
		1489
		1490	$self->{deny_save} = 1;
		1491	$self->reset_timeout (1);
		1492	$self->rename ("{nuke}/" . ($nuke_counter++));
		1493	$self->reset; # polite request, might not happen
		1494	}
		1495
		1496	sub customise_for {
		1497	my ($map, $ob) = @_;
		1498
		1499	if ($map->per_player) {
		1500	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
		1501	}
		1502
		1503	$map
		1504	}
		1505
		1506	sub emergency_save {
		1507	my $freeze_guard = cf::freeze_mainloop;
		1508
		1509	warn "enter emergency perl save\n";
		1510
		1511	cf::sync_job {
		1512	warn "begin emergency player save\n";
		1513	$_->save for values %cf::PLAYER;
		1514	warn "end emergency player save\n";
		1515
		1516	warn "begin emergency map save\n";
		1517	$_->save for values %cf::MAP;
		1518	warn "end emergency map save\n";
		1519	};
		1520
		1521	warn "leave emergency perl save\n";
		1522	}
		1523
		1524	package cf;
		1525
		1526	=back
		1527
1033		1528
1034	=head3 cf::object::player	1529	=head3 cf::object::player
1035		1530
1036	=over 4	1531	=over 4
1037		1532
…		…
1073	(ref $cf::CFG{"may_$access"}	1568	(ref $cf::CFG{"may_$access"}
1074	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1569	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1075	: $cf::CFG{"may_$access"})	1570	: $cf::CFG{"may_$access"})
1076	}	1571	}
1077		1572
		1573	=item $player_object->enter_link
		1574
		1575	Freezes the player and moves him/her to a special map (C<{link}>).
		1576
		1577	The player should be reaosnably safe there for short amounts of time. You
		1578	I<MUST> call C<leave_link> as soon as possible, though.
		1579
		1580	=item $player_object->leave_link ($map, $x, $y)
		1581
		1582	Moves the player out of the specila link map onto the given map. If the
		1583	map is not valid (or omitted), the player will be moved back to the
		1584	location he/she was before the call to C<enter_link>, or, if that fails,
		1585	to the emergency map position.
		1586
		1587	Might block.
		1588
		1589	=cut
		1590
		1591	sub cf::object::player::enter_link {
		1592	my ($self) = @_;
		1593
		1594	$self->deactivate_recursive;
		1595
		1596	return if $self->map == $LINK_MAP;
		1597
		1598	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]
		1599	if $self->map;
		1600
		1601	$self->enter_map ($LINK_MAP, 20, 20);
		1602	}
		1603
		1604	sub cf::object::player::leave_link {
		1605	my ($self, $map, $x, $y) = @_;
		1606
		1607	my $link_pos = delete $self->{_link_pos};
		1608
		1609	unless ($map) {
		1610	# restore original map position
		1611	($map, $x, $y) = @{ $link_pos \|\| [] };
		1612	$map = cf::map::find $map;
		1613
		1614	unless ($map) {
		1615	($map, $x, $y) = @$EMERGENCY_POSITION;
		1616	$map = cf::map::find $map
		1617	or die "FATAL: cannot load emergency map\n";
		1618	}
		1619	}
		1620
		1621	($x, $y) = (-1, -1)
		1622	unless (defined $x) && (defined $y);
		1623
		1624	# use -1 or undef as default coordinates, not 0, 0
		1625	($x, $y) = ($map->enter_x, $map->enter_y)
		1626	if $x <=0 && $y <= 0;
		1627
		1628	$map->load;
		1629
		1630	return unless $self->contr->active;
		1631	$self->activate_recursive;
		1632	$self->enter_map ($map, $x, $y);
		1633	}
		1634
		1635	cf::player->attach (
		1636	on_logout => sub {
		1637	my ($pl) = @_;
		1638
		1639	# abort map switching before logout
		1640	if ($pl->ob->{_link_pos}) {
		1641	cf::sync_job {
		1642	$pl->ob->leave_link
		1643	};
		1644	}
		1645	},
		1646	on_login => sub {
		1647	my ($pl) = @_;
		1648
		1649	# try to abort aborted map switching on player login :)
		1650	# should happen only on crashes
		1651	if ($pl->ob->{_link_pos}) {
		1652	$pl->ob->enter_link;
		1653	(async {
		1654	# we need this sleep as the login has a concurrent enter_exit running
		1655	# and this sleep increases chances of the player not ending up in scorn
		1656	$pl->ob->reply (undef,
		1657	"There was an internal problem at your last logout, "
		1658	. "the server will try to bring you to your intended destination in a second.",
		1659	cf::NDI_RED);
		1660	Coro::Timer::sleep 1;
		1661	$pl->ob->leave_link;
		1662	})->prio (2);
		1663	}
		1664	},
		1665	);
		1666
		1667	=item $player_object->goto ($path, $x, $y)
		1668
		1669	=cut
		1670
		1671	sub cf::object::player::goto {
		1672	my ($self, $path, $x, $y) = @_;
		1673
		1674	$self->enter_link;
		1675
		1676	(async {
		1677	$path = new cf::path $path;
		1678
		1679	my $map = cf::map::find $path->as_string;
		1680	$map = $map->customise_for ($self) if $map;
		1681
		1682	# warn "entering ", $map->path, " at ($x, $y)\n"
		1683	# if $map;
		1684
		1685	$map or $map->cluck ("oy");#d#
		1686	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
		1687
		1688	$self->leave_link ($map, $x, $y);
		1689	})->prio (1);
		1690	}
		1691
		1692	=item $player_object->enter_exit ($exit_object)
		1693
		1694	=cut
		1695
		1696	sub parse_random_map_params {
		1697	my ($spec) = @_;
		1698
		1699	my $rmp = { # defaults
		1700	xsize => 10,
		1701	ysize => 10,
		1702	};
		1703
		1704	for (split /\n/, $spec) {
		1705	my ($k, $v) = split /\s+/, $_, 2;
		1706
		1707	$rmp->{lc $k} = $v if (length $k) && (length $v);
		1708	}
		1709
		1710	$rmp
		1711	}
		1712
		1713	sub prepare_random_map {
		1714	my ($exit) = @_;
		1715
		1716	# all this does is basically replace the /! path by
		1717	# a new random map path (?random/...) with a seed
		1718	# that depends on the exit object
		1719
		1720	my $rmp = parse_random_map_params $exit->msg;
		1721
		1722	if ($exit->map) {
		1723	$rmp->{region} = $exit->map->region_name;
		1724	$rmp->{origin_map} = $exit->map->path;
		1725	$rmp->{origin_x} = $exit->x;
		1726	$rmp->{origin_y} = $exit->y;
		1727	}
		1728
		1729	$rmp->{random_seed} \|\|= $exit->random_seed;
		1730
		1731	my $data = cf::to_json $rmp;
		1732	my $md5 = Digest::MD5::md5_hex $data;
		1733
		1734	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY \| O_CREAT, 0666) {
		1735	aio_write $fh, 0, (length $data), $data, 0;
		1736
		1737	$exit->slaying ("?random/$md5");
		1738	$exit->msg (undef);
		1739	}
		1740	}
		1741
		1742	sub cf::object::player::enter_exit {
		1743	my ($self, $exit) = @_;
		1744
		1745	return unless $self->type == cf::PLAYER;
		1746
		1747	$self->enter_link;
		1748
		1749	(async {
		1750	$self->deactivate_recursive; # just to be sure
		1751	unless (eval {
		1752	prepare_random_map $exit
		1753	if $exit->slaying eq "/!";
		1754
		1755	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
		1756	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
		1757
		1758	1;
		1759	}) {
		1760	$self->message ("Something went wrong deep within the crossfire server. "
		1761	. "I'll try to bring you back to the map you were before. "
		1762	. "Please report this to the dungeon master",
		1763	cf::NDI_UNIQUE \| cf::NDI_RED);
		1764
		1765	warn "ERROR in enter_exit: $@";
		1766	$self->leave_link;
		1767	}
		1768	})->prio (1);
		1769	}
		1770
1078	=head3 cf::client	1771	=head3 cf::client
1079		1772
1080	=over 4	1773	=over 4
1081		1774
1082	=item $client->send_drawinfo ($text, $flags)	1775	=item $client->send_drawinfo ($text, $flags)
…		…
1125	on_reply => sub {	1818	on_reply => sub {
1126	my ($ns, $msg) = @_;	1819	my ($ns, $msg) = @_;
1127		1820
1128	# this weird shuffling is so that direct followup queries	1821	# this weird shuffling is so that direct followup queries
1129	# get handled first	1822	# get handled first
1130	my $queue = delete $ns->{query_queue};	1823	my $queue = delete $ns->{query_queue}
		1824	or return; # be conservative, not sure how that can happen, but we saw a crash here
1131		1825
1132	(shift @$queue)->[1]->($msg);	1826	(shift @$queue)->[1]->($msg);
1133		1827
1134	push @{ $ns->{query_queue} }, @$queue;	1828	push @{ $ns->{query_queue} }, @$queue;
1135		1829
…		…
1141	}	1835	}
1142	}	1836	}
1143	},	1837	},
1144	);	1838	);
1145		1839
1146	=item $client->coro (\&cb)	1840	=item $client->async (\&cb)
1147		1841
1148	Create a new coroutine, running the specified callback. The coroutine will	1842	Create a new coroutine, running the specified callback. The coroutine will
1149	be automatically cancelled when the client gets destroyed (e.g. on logout,	1843	be automatically cancelled when the client gets destroyed (e.g. on logout,
1150	or loss of connection).	1844	or loss of connection).
1151		1845
1152	=cut	1846	=cut
1153		1847
1154	sub cf::client::coro {	1848	sub cf::client::async {
1155	my ($self, $cb) = @_;	1849	my ($self, $cb) = @_;
1156		1850
1157	my $coro; $coro = async {	1851	my $coro = &Coro::async ($cb);
1158	eval {
1159	$cb->();
1160	};
1161	warn $@ if $@;
1162	};
1163		1852
1164	$coro->on_destroy (sub {	1853	$coro->on_destroy (sub {
1165	delete $self->{_coro}{$coro+0};	1854	delete $self->{_coro}{$coro+0};
1166	});	1855	});
1167		1856
…		…
1339		2028
1340	{	2029	{
1341	my $path = cf::localdir . "/database.pst";	2030	my $path = cf::localdir . "/database.pst";
1342		2031
1343	sub db_load() {	2032	sub db_load() {
1344	warn "loading database $path\n";#d# remove later
1345	$DB = stat $path ? Storable::retrieve $path : { };	2033	$DB = stat $path ? Storable::retrieve $path : { };
1346	}	2034	}
1347		2035
1348	my $pid;	2036	my $pid;
1349		2037
1350	sub db_save() {	2038	sub db_save() {
1351	warn "saving database $path\n";#d# remove later
1352	waitpid $pid, 0 if $pid;	2039	waitpid $pid, 0 if $pid;
1353	if (0 == ($pid = fork)) {	2040	if (0 == ($pid = fork)) {
1354	$DB->{_meta}{version} = 1;	2041	$DB->{_meta}{version} = 1;
1355	Storable::nstore $DB, "$path~";	2042	Storable::nstore $DB, "$path~";
1356	rename "$path~", $path;	2043	rename "$path~", $path;
…		…
1404	open my $fh, "<:utf8", cf::confdir . "/config"	2091	open my $fh, "<:utf8", cf::confdir . "/config"
1405	or return;	2092	or return;
1406		2093
1407	local $/;	2094	local $/;
1408	*CFG = YAML::Syck::Load <$fh>;	2095	*CFG = YAML::Syck::Load <$fh>;
		2096
		2097	$EMERGENCY_POSITION = $CFG{emergency_position} \|\| ["/world/world_105_115", 5, 37];
		2098
		2099	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2100	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2101
		2102	if (exists $CFG{mlockall}) {
		2103	eval {
		2104	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2105	and die "WARNING: m(un)lockall failed: $!\n";
		2106	};
		2107	warn $@ if $@;
		2108	}
1409	}	2109	}
1410		2110
1411	sub main {	2111	sub main {
1412	# we must not ever block the main coroutine	2112	# we must not ever block the main coroutine
1413	local $Coro::idle = sub {	2113	local $Coro::idle = sub {
1414	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2114	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1415	(Coro::unblock_sub {
1416	Event::one_event;	2115	async { Event::one_event };
1417	})->();
1418	};	2116	};
1419		2117
1420	cfg_load;	2118	cfg_load;
1421	db_load;	2119	db_load;
1422	load_extensions;	2120	load_extensions;
…		…
1424	}	2122	}
1425		2123
1426	#############################################################################	2124	#############################################################################
1427	# initialisation	2125	# initialisation
1428		2126
1429	sub perl_reload() {	2127	sub reload() {
1430	# can/must only be called in main	2128	# can/must only be called in main
1431	if ($Coro::current != $Coro::main) {	2129	if ($Coro::current != $Coro::main) {
1432	warn "can only reload from main coroutine\n";	2130	warn "can only reload from main coroutine\n";
1433	return;	2131	return;
1434	}	2132	}
1435		2133
1436	warn "reloading...";	2134	warn "reloading...";
1437		2135
1438	local $FREEZE = 1;	2136	my $guard = freeze_mainloop;
1439	cf::emergency_save;	2137	cf::emergency_save;
1440		2138
1441	eval {	2139	eval {
1442	# if anything goes wrong in here, we should simply crash as we already saved	2140	# if anything goes wrong in here, we should simply crash as we already saved
1443		2141
…		…
1505	cf::load_extensions;	2203	cf::load_extensions;
1506		2204
1507	# reattach attachments to objects	2205	# reattach attachments to objects
1508	warn "reattach";	2206	warn "reattach";
1509	_global_reattach;	2207	_global_reattach;
		2208	reattach $_ for values %MAP;
1510	};	2209	};
1511		2210
1512	if ($@) {	2211	if ($@) {
1513	warn $@;	2212	warn $@;
1514	warn "error while reloading, exiting.";	2213	warn "error while reloading, exiting.";
…		…
1527	$LINK_MAP->height (41);	2226	$LINK_MAP->height (41);
1528	$LINK_MAP->alloc;	2227	$LINK_MAP->alloc;
1529	$LINK_MAP->path ("{link}");	2228	$LINK_MAP->path ("{link}");
1530	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";	2229	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1531	$LINK_MAP->in_memory (MAP_IN_MEMORY);	2230	$LINK_MAP->in_memory (MAP_IN_MEMORY);
		2231
		2232	# dirty hack because... archetypes are not yet loaded
		2233	Event->timer (
		2234	after => 10,
		2235	cb => sub {
		2236	$_[0]->w->cancel;
		2237
		2238	# provide some exits "home"
		2239	my $exit = cf::object::new "exit";
		2240
		2241	$exit->slaying ($EMERGENCY_POSITION->[0]);
		2242	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
		2243	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
		2244
		2245	$LINK_MAP->insert ($exit->clone, 19, 19);
		2246	$LINK_MAP->insert ($exit->clone, 19, 20);
		2247	$LINK_MAP->insert ($exit->clone, 19, 21);
		2248	$LINK_MAP->insert ($exit->clone, 20, 19);
		2249	$LINK_MAP->insert ($exit->clone, 20, 21);
		2250	$LINK_MAP->insert ($exit->clone, 21, 19);
		2251	$LINK_MAP->insert ($exit->clone, 21, 20);
		2252	$LINK_MAP->insert ($exit->clone, 21, 21);
		2253
		2254	$exit->destroy;
		2255	});
		2256
		2257	$LINK_MAP->{deny_save} = 1;
		2258	$LINK_MAP->{deny_reset} = 1;
		2259
		2260	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1532	}	2261	}
1533		2262
1534	register "<global>", __PACKAGE__;	2263	register "<global>", __PACKAGE__;
1535		2264
1536	register_command "perl-reload" => sub {	2265	register_command "reload" => sub {
1537	my ($who, $arg) = @_;	2266	my ($who, $arg) = @_;
1538		2267
1539	if ($who->flag (FLAG_WIZ)) {	2268	if ($who->flag (FLAG_WIZ)) {
1540	$who->message ("start of reload.");	2269	$who->message ("start of reload.");
1541	perl_reload;	2270	reload;
1542	$who->message ("end of reload.");	2271	$who->message ("end of reload.");
1543	}	2272	}
1544	};	2273	};
1545		2274
1546	unshift @INC, $LIBDIR;	2275	unshift @INC, $LIBDIR;
…		…
1549	reentrant => 0,	2278	reentrant => 0,
1550	prio => 0,	2279	prio => 0,
1551	at => $NEXT_TICK \|\| $TICK,	2280	at => $NEXT_TICK \|\| $TICK,
1552	data => WF_AUTOCANCEL,	2281	data => WF_AUTOCANCEL,
1553	cb => sub {	2282	cb => sub {
1554	unless ($FREEZE) {
1555	cf::server_tick; # one server iteration	2283	cf::server_tick; # one server iteration
1556	$RUNTIME += $TICK;	2284	$RUNTIME += $TICK;
1557	}
1558
1559	$NEXT_TICK += $TICK;	2285	$NEXT_TICK += $TICK;
1560		2286
1561	# if we are delayed by four ticks or more, skip them all	2287	# if we are delayed by four ticks or more, skip them all
1562	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2288	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1563		2289
…		…
1586	or warn "ERROR: unable to write runtime file: $!";	2312	or warn "ERROR: unable to write runtime file: $!";
1587	})->();	2313	})->();
1588	},	2314	},
1589	);	2315	);
1590		2316
		2317	END { cf::emergency_save }
		2318
1591	1	2319	1
1592		2320

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.109 by root, Sun Dec 31 22:23:12 2006 UTC vs. Revision 1.149 by root, Mon Jan 8 14:11:05 2007 UTC

Diff Legend

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.109 by root, Sun Dec 31 22:23:12 2006 UTC vs.
Revision 1.149 by root, Mon Jan 8 14:11:05 2007 UTC