[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 1.144 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	our $EMERGENCY_POSITION;
76		77
77	#############################################################################	78	#############################################################################
78		79
79	=head2 GLOBAL VARIABLES	80	=head2 GLOBAL VARIABLES
80		81
…		…
179	sub to_json($) {	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 path($) {
1014	cf::player::find $_[0]	1092	sprintf "%s/%s/%s/%s.pl",
1015	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[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
1016	}	1147	}
1017		1148
1018	=item $player->ext_reply ($msgid, $msgtype, %msg)	1149	=item $player->ext_reply ($msgid, $msgtype, %msg)
1019		1150
1020	Sends an ext reply to the player.	1151	Sends an ext reply to the player.
1021		1152
1022	=cut	1153	=cut
1023		1154
1024	sub cf::player::ext_reply($$$%) {	1155	sub ext_reply($$$%) {
1025	my ($self, $id, %msg) = @_;	1156	my ($self, $id, %msg) = @_;
1026		1157
1027	$msg{msgid} = $id;	1158	$msg{msgid} = $id;
1028		1159
1029	$self->send ("ext " . to_json \%msg);	1160	$self->send ("ext " . cf::to_json \%msg);
1030	}	1161	}
		1162
		1163	package cf;
1031		1164
1032	=back	1165	=back
		1166
		1167
		1168	=head3 cf::map
		1169
		1170	=over 4
		1171
		1172	=cut
		1173
		1174	package cf::map;
		1175
		1176	use Fcntl;
		1177	use Coro::AIO;
		1178
		1179	our $MAX_RESET = 3600;
		1180	our $DEFAULT_RESET = 3000;
		1181
		1182	sub generate_random_map {
		1183	my ($path, $rmp) = @_;
		1184
		1185	# mit "rum" bekleckern, nicht
		1186	cf::map::_create_random_map
		1187	$path,
		1188	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
		1189	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
		1190	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
		1191	$rmp->{exit_on_final_map},
		1192	$rmp->{xsize}, $rmp->{ysize},
		1193	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
		1194	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
		1195	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
		1196	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
		1197	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
		1198	(cf::region::find $rmp->{region})
		1199	}
		1200
		1201	# and all this just because we cannot iterate over
		1202	# all maps in C++...
		1203	sub change_all_map_light {
		1204	my ($change) = @_;
		1205
		1206	$_->change_map_light ($change)
		1207	for grep $_->outdoor, values %cf::MAP;
		1208	}
		1209
		1210	sub try_load_header($) {
		1211	my ($path) = @_;
		1212
		1213	utf8::encode $path;
		1214	aio_open $path, O_RDONLY, 0
		1215	or return;
		1216
		1217	my $map = cf::map::new
		1218	or return;
		1219
		1220	# for better error messages only, will be overwritten
		1221	$map->path ($path);
		1222
		1223	$map->load_header ($path)
		1224	or return;
		1225
		1226	$map->{load_path} = $path;
		1227
		1228	$map
		1229	}
		1230
		1231	sub find;
		1232	sub find {
		1233	my ($path, $origin) = @_;
		1234
		1235	#warn "find<$path,$origin>\n";#d#
		1236
		1237	$path = new cf::path $path, $origin && $origin->path;
		1238	my $key = $path->as_string;
		1239
		1240	cf::lock_wait "map_find:$key";
		1241
		1242	$cf::MAP{$key} \|\| do {
		1243	my $guard = cf::lock_acquire "map_find:$key";
		1244
		1245	# do it the slow way
		1246	my $map = try_load_header $path->save_path;
		1247
		1248	Coro::cede;
		1249
		1250	if ($map) {
		1251	$map->last_access ((delete $map->{last_access})
		1252	\|\| $cf::RUNTIME); #d#
		1253	# safety
		1254	$map->{instantiate_time} = $cf::RUNTIME
		1255	if $map->{instantiate_time} > $cf::RUNTIME;
		1256	} else {
		1257	if (my $rmp = $path->random_map_params) {
		1258	$map = generate_random_map $key, $rmp;
		1259	} else {
		1260	$map = try_load_header $path->load_path;
		1261	}
		1262
		1263	$map or return;
		1264
		1265	$map->{load_original} = 1;
		1266	$map->{instantiate_time} = $cf::RUNTIME;
		1267	$map->last_access ($cf::RUNTIME);
		1268	$map->instantiate;
		1269
		1270	# per-player maps become, after loading, normal maps
		1271	$map->per_player (0) if $path->{user_rel};
		1272	}
		1273
		1274	$map->path ($key);
		1275	$map->{path} = $path;
		1276	$map->{last_save} = $cf::RUNTIME;
		1277
		1278	Coro::cede;
		1279
		1280	if ($map->should_reset) {
		1281	$map->reset;
		1282	undef $guard;
		1283	$map = find $path
		1284	or return;
		1285	}
		1286
		1287	$cf::MAP{$key} = $map
		1288	}
		1289	}
		1290
		1291	sub load {
		1292	my ($self) = @_;
		1293
		1294	my $path = $self->{path};
		1295	my $guard = cf::lock_acquire "map_load:" . $path->as_string;
		1296
		1297	return if $self->in_memory != cf::MAP_SWAPPED;
		1298
		1299	$self->in_memory (cf::MAP_LOADING);
		1300
		1301	$self->alloc;
		1302	$self->load_objects ($self->{load_path}, 1)
		1303	or return;
		1304
		1305	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1306	if delete $self->{load_original};
		1307
		1308	if (my $uniq = $path->uniq_path) {
		1309	utf8::encode $uniq;
		1310	if (aio_open $uniq, O_RDONLY, 0) {
		1311	$self->clear_unique_items;
		1312	$self->load_objects ($uniq, 0);
		1313	}
		1314	}
		1315
		1316	Coro::cede;
		1317
		1318	# now do the right thing for maps
		1319	$self->link_multipart_objects;
		1320
		1321	if ($self->{path}->is_style_map) {
		1322	$self->{deny_save} = 1;
		1323	$self->{deny_reset} = 1;
		1324	} else {
		1325	$self->fix_auto_apply;
		1326	$self->decay_objects;
		1327	$self->update_buttons;
		1328	$self->set_darkness_map;
		1329	$self->difficulty ($self->estimate_difficulty)
		1330	unless $self->difficulty;
		1331	$self->activate;
		1332	}
		1333
		1334	Coro::cede;
		1335
		1336	$self->in_memory (cf::MAP_IN_MEMORY);
		1337	}
		1338
		1339	sub find_sync {
		1340	my ($path, $origin) = @_;
		1341
		1342	cf::sync_job { cf::map::find $path, $origin }
		1343	}
		1344
		1345	sub do_load_sync {
		1346	my ($map) = @_;
		1347
		1348	cf::sync_job { $map->load };
		1349	}
		1350
		1351	sub save {
		1352	my ($self) = @_;
		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
		1360	my $save = $self->{path}->save_path; utf8::encode $save;
		1361	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
		1362
		1363	$self->{load_path} = $save;
		1364
		1365	return if $self->{deny_save};
		1366
		1367	local $self->{last_access} = $self->last_access;#d#
		1368
		1369	cf::async {
		1370	$_->contr->save for $self->players;
		1371	};
		1372
		1373	if ($uniq) {
		1374	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);
		1375	$self->save_objects ($uniq, cf::IO_UNIQUES);
		1376	} else {
		1377	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS \| cf::IO_UNIQUES);
		1378	}
		1379	}
		1380
		1381	sub swap_out {
		1382	my ($self) = @_;
		1383
		1384	# save first because save cedes
		1385	$self->save;
		1386
		1387	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1388
		1389	return if $self->players;
		1390	return if $self->in_memory != cf::MAP_IN_MEMORY;
		1391	return if $self->{deny_save};
		1392
		1393	$self->clear;
		1394	$self->in_memory (cf::MAP_SWAPPED);
		1395	}
		1396
		1397	sub reset_at {
		1398	my ($self) = @_;
		1399
		1400	# TODO: safety, remove and allow resettable per-player maps
		1401	return 1e99 if $self->{path}{user_rel};
		1402	return 1e99 if $self->{deny_reset};
		1403
		1404	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1405	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;
		1406
		1407	$time + $to
		1408	}
		1409
		1410	sub should_reset {
		1411	my ($self) = @_;
		1412
		1413	$self->reset_at <= $cf::RUNTIME
		1414	}
		1415
		1416	sub unlink_save {
		1417	my ($self) = @_;
		1418
		1419	utf8::encode (my $save = $self->{path}->save_path);
		1420	aioreq_pri 3; IO::AIO::aio_unlink $save;
		1421	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
		1422	}
		1423
		1424	sub rename {
		1425	my ($self, $new_path) = @_;
		1426
		1427	$self->unlink_save;
		1428
		1429	delete $cf::MAP{$self->path};
		1430	$self->{path} = new cf::path $new_path;
		1431	$self->path ($self->{path}->as_string);
		1432	$cf::MAP{$self->path} = $self;
		1433
		1434	$self->save;
		1435	}
		1436
		1437	sub reset {
		1438	my ($self) = @_;
		1439
		1440	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1441
		1442	return if $self->players;
		1443	return if $self->{path}{user_rel};#d#
		1444
		1445	warn "resetting map ", $self->path;#d#
		1446
		1447	delete $cf::MAP{$self->path};
		1448
		1449	$_->clear_links_to ($self) for values %cf::MAP;
		1450
		1451	$self->unlink_save;
		1452	$self->destroy;
		1453	}
		1454
		1455	my $nuke_counter = "aaaa";
		1456
		1457	sub nuke {
		1458	my ($self) = @_;
		1459
		1460	$self->{deny_save} = 1;
		1461	$self->reset_timeout (1);
		1462	$self->rename ("{nuke}/" . ($nuke_counter++));
		1463	$self->reset; # polite request, might not happen
		1464	}
		1465
		1466	sub customise_for {
		1467	my ($map, $ob) = @_;
		1468
		1469	if ($map->per_player) {
		1470	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
		1471	}
		1472
		1473	$map
		1474	}
		1475
		1476	sub emergency_save {
		1477	my $freeze_guard = cf::freeze_mainloop;
		1478
		1479	warn "enter emergency perl save\n";
		1480
		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
		1486	warn "begin emergency map save\n";
		1487	$_->save for values %cf::MAP;
		1488	warn "end emergency map save\n";
		1489	};
		1490
		1491	warn "leave emergency perl save\n";
		1492	}
		1493
		1494	package cf;
		1495
		1496	=back
		1497
1033		1498
1034	=head3 cf::object::player	1499	=head3 cf::object::player
1035		1500
1036	=over 4	1501	=over 4
1037		1502
…		…
1073	(ref $cf::CFG{"may_$access"}	1538	(ref $cf::CFG{"may_$access"}
1074	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1539	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1075	: $cf::CFG{"may_$access"})	1540	: $cf::CFG{"may_$access"})
1076	}	1541	}
1077		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, $y)
		1551
		1552	Moves the player out of the specila link map onto the given map. If the
		1553	map is not valid (or omitted), the player will be moved back to the
		1554	location he/she was before the call to C<enter_link>, or, if that fails,
		1555	to the emergency map position.
		1556
		1557	Might block.
		1558
		1559	=cut
		1560
		1561	sub cf::object::player::enter_link {
		1562	my ($self) = @_;
		1563
		1564	$self->deactivate_recursive;
		1565
		1566	return if $self->map == $LINK_MAP;
		1567
		1568	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]
		1569	if $self->map;
		1570
		1571	$self->enter_map ($LINK_MAP, 20, 20);
		1572	}
		1573
		1574	sub cf::object::player::leave_link {
		1575	my ($self, $map, $x, $y) = @_;
		1576
		1577	my $link_pos = delete $self->{_link_pos};
		1578
		1579	unless ($map) {
		1580	# restore original map position
		1581	($map, $x, $y) = @{ $link_pos \|\| [] };
		1582	$map = cf::map::find $map;
		1583
		1584	unless ($map) {
		1585	($map, $x, $y) = @$EMERGENCY_POSITION;
		1586	$map = cf::map::find $map
		1587	or die "FATAL: cannot load emergency map\n";
		1588	}
		1589	}
		1590
		1591	($x, $y) = (-1, -1)
		1592	unless (defined $x) && (defined $y);
		1593
		1594	# use -1 or undef as default coordinates, not 0, 0
		1595	($x, $y) = ($map->enter_x, $map->enter_y)
		1596	if $x <=0 && $y <= 0;
		1597
		1598	$map->load;
		1599
		1600	return unless $self->contr->active;
		1601	$self->activate_recursive;
		1602	$self->enter_map ($map, $x, $y);
		1603	}
		1604
		1605	cf::player->attach (
		1606	on_logout => sub {
		1607	my ($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
		1637	=item $player_object->goto ($path, $x, $y)
		1638
		1639	=cut
		1640
		1641	sub cf::object::player::goto {
		1642	my ($self, $path, $x, $y) = @_;
		1643
		1644	$self->enter_link;
		1645
		1646	(async {
		1647	$path = new cf::path $path;
		1648
		1649	my $map = cf::map::find $path->as_string;
		1650	$map = $map->customise_for ($self) if $map;
		1651
		1652	# warn "entering ", $map->path, " at ($x, $y)\n"
		1653	# if $map;
		1654
		1655	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
		1656
		1657	$self->leave_link ($map, $x, $y);
		1658	})->prio (1);
		1659	}
		1660
		1661	=item $player_object->enter_exit ($exit_object)
		1662
		1663	=cut
		1664
		1665	sub parse_random_map_params {
		1666	my ($spec) = @_;
		1667
		1668	my $rmp = { # defaults
		1669	xsize => 10,
		1670	ysize => 10,
		1671	};
		1672
		1673	for (split /\n/, $spec) {
		1674	my ($k, $v) = split /\s+/, $_, 2;
		1675
		1676	$rmp->{lc $k} = $v if (length $k) && (length $v);
		1677	}
		1678
		1679	$rmp
		1680	}
		1681
		1682	sub prepare_random_map {
		1683	my ($exit) = @_;
		1684
		1685	# all this does is basically replace the /! path by
		1686	# a new random map path (?random/...) with a seed
		1687	# that depends on the exit object
		1688
		1689	my $rmp = parse_random_map_params $exit->msg;
		1690
		1691	if ($exit->map) {
		1692	$rmp->{region} = $exit->map->region_name;
		1693	$rmp->{origin_map} = $exit->map->path;
		1694	$rmp->{origin_x} = $exit->x;
		1695	$rmp->{origin_y} = $exit->y;
		1696	}
		1697
		1698	$rmp->{random_seed} \|\|= $exit->random_seed;
		1699
		1700	my $data = cf::to_json $rmp;
		1701	my $md5 = Digest::MD5::md5_hex $data;
		1702
		1703	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY \| O_CREAT, 0666) {
		1704	aio_write $fh, 0, (length $data), $data, 0;
		1705
		1706	$exit->slaying ("?random/$md5");
		1707	$exit->msg (undef);
		1708	}
		1709	}
		1710
		1711	sub cf::object::player::enter_exit {
		1712	my ($self, $exit) = @_;
		1713
		1714	return unless $self->type == cf::PLAYER;
		1715
		1716	$self->enter_link;
		1717
		1718	(async {
		1719	$self->deactivate_recursive; # just to be sure
		1720	unless (eval {
		1721	prepare_random_map $exit
		1722	if $exit->slaying eq "/!";
		1723
		1724	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
		1725	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
		1726
		1727	1;
		1728	}) {
		1729	$self->message ("Something went wrong deep within the crossfire server. "
		1730	. "I'll try to bring you back to the map you were before. "
		1731	. "Please report this to the dungeon master",
		1732	cf::NDI_UNIQUE \| cf::NDI_RED);
		1733
		1734	warn "ERROR in enter_exit: $@";
		1735	$self->leave_link;
		1736	}
		1737	})->prio (1);
		1738	}
		1739
1078	=head3 cf::client	1740	=head3 cf::client
1079		1741
1080	=over 4	1742	=over 4
1081		1743
1082	=item $client->send_drawinfo ($text, $flags)	1744	=item $client->send_drawinfo ($text, $flags)
…		…
1125	on_reply => sub {	1787	on_reply => sub {
1126	my ($ns, $msg) = @_;	1788	my ($ns, $msg) = @_;
1127		1789
1128	# this weird shuffling is so that direct followup queries	1790	# this weird shuffling is so that direct followup queries
1129	# get handled first	1791	# get handled first
1130	my $queue = delete $ns->{query_queue};	1792	my $queue = delete $ns->{query_queue}
		1793	or return; # be conservative, not sure how that can happen, but we saw a crash here
1131		1794
1132	(shift @$queue)->[1]->($msg);	1795	(shift @$queue)->[1]->($msg);
1133		1796
1134	push @{ $ns->{query_queue} }, @$queue;	1797	push @{ $ns->{query_queue} }, @$queue;
1135		1798
…		…
1141	}	1804	}
1142	}	1805	}
1143	},	1806	},
1144	);	1807	);
1145		1808
1146	=item $client->coro (\&cb)	1809	=item $client->async (\&cb)
1147		1810
1148	Create a new coroutine, running the specified callback. The coroutine will	1811	Create a new coroutine, running the specified callback. The coroutine will
1149	be automatically cancelled when the client gets destroyed (e.g. on logout,	1812	be automatically cancelled when the client gets destroyed (e.g. on logout,
1150	or loss of connection).	1813	or loss of connection).
1151		1814
1152	=cut	1815	=cut
1153		1816
1154	sub cf::client::coro {	1817	sub cf::client::async {
1155	my ($self, $cb) = @_;	1818	my ($self, $cb) = @_;
1156		1819
1157	my $coro; $coro = async {	1820	my $coro = &Coro::async ($cb);
1158	eval {
1159	$cb->();
1160	};
1161	warn $@ if $@;
1162	};
1163		1821
1164	$coro->on_destroy (sub {	1822	$coro->on_destroy (sub {
1165	delete $self->{_coro}{$coro+0};	1823	delete $self->{_coro}{$coro+0};
1166	});	1824	});
1167		1825
…		…
1339		1997
1340	{	1998	{
1341	my $path = cf::localdir . "/database.pst";	1999	my $path = cf::localdir . "/database.pst";
1342		2000
1343	sub db_load() {	2001	sub db_load() {
1344	warn "loading database $path\n";#d# remove later
1345	$DB = stat $path ? Storable::retrieve $path : { };	2002	$DB = stat $path ? Storable::retrieve $path : { };
1346	}	2003	}
1347		2004
1348	my $pid;	2005	my $pid;
1349		2006
1350	sub db_save() {	2007	sub db_save() {
1351	warn "saving database $path\n";#d# remove later
1352	waitpid $pid, 0 if $pid;	2008	waitpid $pid, 0 if $pid;
1353	if (0 == ($pid = fork)) {	2009	if (0 == ($pid = fork)) {
1354	$DB->{_meta}{version} = 1;	2010	$DB->{_meta}{version} = 1;
1355	Storable::nstore $DB, "$path~";	2011	Storable::nstore $DB, "$path~";
1356	rename "$path~", $path;	2012	rename "$path~", $path;
…		…
1404	open my $fh, "<:utf8", cf::confdir . "/config"	2060	open my $fh, "<:utf8", cf::confdir . "/config"
1405	or return;	2061	or return;
1406		2062
1407	local $/;	2063	local $/;
1408	*CFG = YAML::Syck::Load <$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	}
1409	}	2078	}
1410		2079
1411	sub main {	2080	sub main {
1412	# we must not ever block the main coroutine	2081	# we must not ever block the main coroutine
1413	local $Coro::idle = sub {	2082	local $Coro::idle = sub {
1414	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2083	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1415	(Coro::unblock_sub {
1416	Event::one_event;	2084	async { Event::one_event };
1417	})->();
1418	};	2085	};
1419		2086
1420	cfg_load;	2087	cfg_load;
1421	db_load;	2088	db_load;
1422	load_extensions;	2089	load_extensions;
…		…
1424	}	2091	}
1425		2092
1426	#############################################################################	2093	#############################################################################
1427	# initialisation	2094	# initialisation
1428		2095
1429	sub perl_reload() {	2096	sub reload() {
1430	# can/must only be called in main	2097	# can/must only be called in main
1431	if ($Coro::current != $Coro::main) {	2098	if ($Coro::current != $Coro::main) {
1432	warn "can only reload from main coroutine\n";	2099	warn "can only reload from main coroutine\n";
1433	return;	2100	return;
1434	}	2101	}
1435		2102
1436	warn "reloading...";	2103	warn "reloading...";
1437		2104
1438	local $FREEZE = 1;	2105	my $guard = freeze_mainloop;
1439	cf::emergency_save;	2106	cf::emergency_save;
1440		2107
1441	eval {	2108	eval {
1442	# 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
1443		2110
…		…
1505	cf::load_extensions;	2172	cf::load_extensions;
1506		2173
1507	# reattach attachments to objects	2174	# reattach attachments to objects
1508	warn "reattach";	2175	warn "reattach";
1509	_global_reattach;	2176	_global_reattach;
		2177	reattach $_ for values %MAP;
1510	};	2178	};
1511		2179
1512	if ($@) {	2180	if ($@) {
1513	warn $@;	2181	warn $@;
1514	warn "error while reloading, exiting.";	2182	warn "error while reloading, exiting.";
…		…
1527	$LINK_MAP->height (41);	2195	$LINK_MAP->height (41);
1528	$LINK_MAP->alloc;	2196	$LINK_MAP->alloc;
1529	$LINK_MAP->path ("{link}");	2197	$LINK_MAP->path ("{link}");
1530	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";	2198	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1531	$LINK_MAP->in_memory (MAP_IN_MEMORY);	2199	$LINK_MAP->in_memory (MAP_IN_MEMORY);
		2200
		2201	# dirty hack because... archetypes are not yet loaded
		2202	Event->timer (
		2203	after => 10,
		2204	cb => sub {
		2205	$_[0]->w->cancel;
		2206
		2207	# provide some exits "home"
		2208	my $exit = cf::object::new "exit";
		2209
		2210	$exit->slaying ($EMERGENCY_POSITION->[0]);
		2211	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
		2212	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
		2213
		2214	$LINK_MAP->insert ($exit->clone, 19, 19);
		2215	$LINK_MAP->insert ($exit->clone, 19, 20);
		2216	$LINK_MAP->insert ($exit->clone, 19, 21);
		2217	$LINK_MAP->insert ($exit->clone, 20, 19);
		2218	$LINK_MAP->insert ($exit->clone, 20, 21);
		2219	$LINK_MAP->insert ($exit->clone, 21, 19);
		2220	$LINK_MAP->insert ($exit->clone, 21, 20);
		2221	$LINK_MAP->insert ($exit->clone, 21, 21);
		2222
		2223	$exit->destroy;
		2224	});
		2225
		2226	$LINK_MAP->{deny_save} = 1;
		2227	$LINK_MAP->{deny_reset} = 1;
		2228
		2229	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1532	}	2230	}
1533		2231
1534	register "<global>", __PACKAGE__;	2232	register "<global>", __PACKAGE__;
1535		2233
1536	register_command "perl-reload" => sub {	2234	register_command "reload" => sub {
1537	my ($who, $arg) = @_;	2235	my ($who, $arg) = @_;
1538		2236
1539	if ($who->flag (FLAG_WIZ)) {	2237	if ($who->flag (FLAG_WIZ)) {
1540	$who->message ("start of reload.");	2238	$who->message ("start of reload.");
1541	perl_reload;	2239	reload;
1542	$who->message ("end of reload.");	2240	$who->message ("end of reload.");
1543	}	2241	}
1544	};	2242	};
1545		2243
1546	unshift @INC, $LIBDIR;	2244	unshift @INC, $LIBDIR;
…		…
1549	reentrant => 0,	2247	reentrant => 0,
1550	prio => 0,	2248	prio => 0,
1551	at => $NEXT_TICK \|\| $TICK,	2249	at => $NEXT_TICK \|\| $TICK,
1552	data => WF_AUTOCANCEL,	2250	data => WF_AUTOCANCEL,
1553	cb => sub {	2251	cb => sub {
1554	unless ($FREEZE) {
1555	cf::server_tick; # one server iteration	2252	cf::server_tick; # one server iteration
1556	$RUNTIME += $TICK;	2253	$RUNTIME += $TICK;
1557	}
1558
1559	$NEXT_TICK += $TICK;	2254	$NEXT_TICK += $TICK;
1560		2255
1561	# 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
1562	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2257	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1563		2258
…		…
1586	or warn "ERROR: unable to write runtime file: $!";	2281	or warn "ERROR: unable to write runtime file: $!";
1587	})->();	2282	})->();
1588	},	2283	},
1589	);	2284	);
1590		2285
		2286	END { cf::emergency_save }
		2287
1591	1	2288	1
1592		2289

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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 1.144 by root, Sun Jan 7 18:01:10 2007 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.109 by root, Sun Dec 31 22:23:12 2006 UTC vs.
Revision 1.144 by root, Sun Jan 7 18:01:10 2007 UTC