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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.105 by root, Sun Dec 31 17:17:23 2006 UTC vs.
Revision 1.126 by root, Tue Jan 2 23:12:47 2007 UTC

…		…
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 Fcntl;	21	use Fcntl;
21	use IO::AIO 2.31 ();	22	use IO::AIO 2.31 ();
22	use YAML::Syck ();	23	use YAML::Syck ();
23	use Time::HiRes;	24	use Time::HiRes;
24		25
…		…
49	our $RUNTIME;	50	our $RUNTIME;
50		51
51	our %MAP; # all maps	52	our %MAP; # all maps
52	our $LINK_MAP; # the special {link} map	53	our $LINK_MAP; # the special {link} map
53	our $FREEZE;	54	our $FREEZE;
		55	our $RANDOM_MAPS = cf::localdir . "/random";
		56	our %EXT_CORO;
54		57
55	binmode STDOUT;	58	binmode STDOUT;
56	binmode STDERR;	59	binmode STDERR;
57		60
58	# read virtual server time, if available	61	# read virtual server time, if available
…		…
64		67
65	mkdir cf::localdir;	68	mkdir cf::localdir;
66	mkdir cf::localdir . "/" . cf::playerdir;	69	mkdir cf::localdir . "/" . cf::playerdir;
67	mkdir cf::localdir . "/" . cf::tmpdir;	70	mkdir cf::localdir . "/" . cf::tmpdir;
68	mkdir cf::localdir . "/" . cf::uniquedir;	71	mkdir cf::localdir . "/" . cf::uniquedir;
		72	mkdir $RANDOM_MAPS;
69		73
70	our %EXT_CORO;	74	# a special map that is always available
		75	our $LINK_MAP;
		76
		77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} \|\| ["/world/world_105_115", 5, 37];
71		78
72	#############################################################################	79	#############################################################################
73		80
74	=head2 GLOBAL VARIABLES	81	=head2 GLOBAL VARIABLES
75		82
…		…
174	sub to_json($) {	181	sub to_json($) {
175	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
176	JSON::Syck::Dump $_[0]	183	JSON::Syck::Dump $_[0]
177	}	184	}
178		185
179	# main coro must never ever "block" except in Event	186	=item my $guard = cf::guard { BLOCK }
180	# sync_job ensures this by running the job in a coroutine	187
181	# and waiting in Event while the server is otherwise frozen	188	Run the given callback when the guard object gets destroyed (useful for
		189	coroutine cancellations).
		190
		191	You can call C<< ->cancel >> on the guard object to stop the block from
		192	being executed.
		193
		194	=cut
		195
		196	sub guard(&) {
		197	bless \(my $cb = $_[0]), cf::guard::;
		198	}
		199
		200	sub cf::guard::cancel {
		201	${$_[0]} = sub { };
		202	}
		203
		204	sub cf::guard::DESTROY {
		205	${$_[0]}->();
		206	}
		207
		208	=item cf::lock_wait $string
		209
		210	Wait until the given lock is available. See cf::lock_acquire.
		211
		212	=item my $lock = cf::lock_acquire $string
		213
		214	Wait until the given lock is available and then acquires it and returns
		215	a guard object. If the guard object gets destroyed (goes out of scope,
		216	for example when the coroutine gets canceled), the lock is automatically
		217	returned.
		218
		219	Lock names should begin with a unique identifier (for example, find_map
		220	uses map_find and load_map uses map_load).
		221
		222	=cut
		223
		224	our %LOCK;
		225
		226	sub lock_wait($) {
		227	my ($key) = @_;
		228
		229	# wait for lock, if any
		230	while ($LOCK{$key}) {
		231	push @{ $LOCK{$key} }, $Coro::current;
		232	Coro::schedule;
		233	}
		234	}
		235
		236	sub lock_acquire($) {
		237	my ($key) = @_;
		238
		239	# wait, to be sure we are not locked
		240	lock_wait $key;
		241
		242	$LOCK{$key} = [];
		243
		244	cf::guard {
		245	# wake up all waiters, to be on the safe side
		246	$_->ready for @{ delete $LOCK{$key} };
		247	}
		248	}
		249
		250	=item cf::sync_job { BLOCK }
		251
		252	The design of crossfire+ requires that the main coro ($Coro::main) is
		253	always able to handle events or runnable, as crossfire+ is only partly
		254	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.
		255
		256	If it must be done, put the blocking parts into C<sync_job>. This will run
		257	the given BLOCK in another coroutine while waiting for the result. The
		258	server will be frozen during this time, so the block should either finish
		259	fast or be very important.
		260
		261	=cut
		262
182	sub sync_job(&) {	263	sub sync_job(&) {
183	my ($job) = @_;	264	my ($job) = @_;
184		265
185	my $busy = 1;
186	my @res;
187
188	local $FREEZE = 1;
189
190	my $coro = Coro::async {
191	@res = eval { $job->() };
192	warn $@ if $@;
193	undef $busy;
194	};
195
196	if ($Coro::current == $Coro::main) {	266	if ($Coro::current == $Coro::main) {
		267	# this is the main coro, too bad, we have to block
		268	# till the operation succeeds, freezing the server :/
		269
		270	# TODO: use suspend/resume instead
		271	# (but this is cancel-safe)
		272	local $FREEZE = 1;
		273
		274	my $busy = 1;
		275	my @res;
		276
		277	(Coro::async {
		278	@res = eval { $job->() };
		279	warn $@ if $@;
		280	undef $busy;
197	$coro->prio (Coro::PRIO_MAX);	281	})->prio (Coro::PRIO_MAX);
		282
198	while ($busy) {	283	while ($busy) {
199	Coro::cede_notself;	284	Coro::cede_notself;
200	Event::one_event unless Coro::nready;	285	Event::one_event unless Coro::nready;
201	}	286	}
		287
		288	wantarray ? @res : $res[0]
202	} else {	289	} else {
203	$coro->join;	290	# we are in another coroutine, how wonderful, everything just works
		291
		292	$job->()
204	}	293	}
205
206	wantarray ? @res : $res[0]
207	}	294	}
208		295
209	=item $coro = cf::coro { BLOCK }	296	=item $coro = cf::coro { BLOCK }
210		297
211	Creates and returns a new coro. This coro is automcatially being canceled	298	Creates and returns a new coro. This coro is automcatially being canceled
…		…
229	$EXT_CORO{$coro+0} = $coro;	316	$EXT_CORO{$coro+0} = $coro;
230		317
231	$coro	318	$coro
232	}	319	}
233		320
		321	sub write_runtime {
		322	my $runtime = cf::localdir . "/runtime";
		323
		324	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644
		325	or return;
		326
		327	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock
		328	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		329	and return;
		330
		331	aio_fsync $fh
		332	and return;
		333
		334	close $fh
		335	or return;
		336
		337	aio_rename "$runtime~", $runtime
		338	and return;
		339
		340	1
		341	}
		342
234	=back	343	=back
235		344
236	=cut	345	=cut
		346
		347	#############################################################################
		348
		349	package cf::path;
		350
		351	sub new {
		352	my ($class, $path, $base) = @_;
		353
		354	$path = $path->as_string if ref $path;
		355
		356	my $self = bless { }, $class;
		357
		358	# {... are special paths that are not touched
		359	# ?xxx/... are special absolute paths
		360	# ?random/... random maps
		361	# /! non-realised random map exit
		362	# /... normal maps
		363	# ~/... per-player maps without a specific player (DO NOT USE)
		364	# ~user/... per-player map of a specific user
		365
		366	if ($path =~ /^{/) {
		367	# fine as it is
		368	} elsif ($path =~ s{^\?random/}{}) {
		369	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
		370	$self->{random} = cf::from_json $data;
		371	} else {
		372	if ($path =~ s{^~([^/]+)?}{}) {
		373	$self->{user_rel} = 1;
		374
		375	if (defined $1) {
		376	$self->{user} = $1;
		377	} elsif ($base =~ m{^~([^/]+)/}) {
		378	$self->{user} = $1;
		379	} else {
		380	warn "cannot resolve user-relative path without user <$path,$base>\n";
		381	}
		382	} elsif ($path =~ /^\//) {
		383	# already absolute
		384	} else {
		385	$base =~ s{[^/]+/?$}{};
		386	return $class->new ("$base/$path");
		387	}
		388
		389	for ($path) {
		390	redo if s{/\.?/}{/};
		391	redo if s{/[^/]+/\.\./}{/};
		392	}
		393	}
		394
		395	$self->{path} = $path;
		396
		397	$self
		398	}
		399
		400	# the name / primary key / in-game path
		401	sub as_string {
		402	my ($self) = @_;
		403
		404	$self->{user_rel} ? "~$self->{user}$self->{path}"
		405	: $self->{random} ? "?random/$self->{path}"
		406	: $self->{path}
		407	}
		408
		409	# the displayed name, this is a one way mapping
		410	sub visible_name {
		411	my ($self) = @_;
		412
		413	# if (my $rmp = $self->{random}) {
		414	# # todo: be more intelligent about this
		415	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
		416	# } else {
		417	$self->as_string
		418	# }
		419	}
		420
		421	# escape the /'s in the path
		422	sub _escaped_path {
		423	# ∕ is U+2215
		424	(my $path = $_[0]{path}) =~ s/\//∕/g;
		425	$path
		426	}
		427
		428	# the original (read-only) location
		429	sub load_path {
		430	my ($self) = @_;
		431
		432	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		433	}
		434
		435	# the temporary/swap location
		436	sub save_path {
		437	my ($self) = @_;
		438
		439	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
		440	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
		441	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
		442	}
		443
		444	# the unique path, might be eq to save_path
		445	sub uniq_path {
		446	my ($self) = @_;
		447
		448	$self->{user_rel} \|\| $self->{random}
		449	? undef
		450	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
		451	}
		452
		453	# return random map parameters, or undef
		454	sub random_map_params {
		455	my ($self) = @_;
		456
		457	$self->{random}
		458	}
		459
		460	# this is somewhat ugly, but style maps do need special treatment
		461	sub is_style_map {
		462	$_[0]{path} =~ m{^/styles/}
		463	}
		464
		465	package cf;
237		466
238	#############################################################################	467	#############################################################################
239		468
240	=head2 ATTACHABLE OBJECTS	469	=head2 ATTACHABLE OBJECTS
241		470
…		…
649	or return;	878	or return;
650		879
651	unless (aio_stat "$filename.pst") {	880	unless (aio_stat "$filename.pst") {
652	(aio_load "$filename.pst", $av) >= 0	881	(aio_load "$filename.pst", $av) >= 0
653	or return;	882	or return;
654	$av = eval { (Storable::thaw <$av>)->{objs} };	883	$av = eval { (Storable::thaw $av)->{objs} };
655	}	884	}
656		885
		886	warn sprintf "loading %s (%d)\n",
		887	$filename, length $data, scalar @{$av \|\| []};#d#
657	return ($data, $av);	888	return ($data, $av);
658	}	889	}
659		890
660	#############################################################################	891	#############################################################################
661	# command handling &c	892	# command handling &c
…		…
883	$self->send ("ext " . to_json \%msg);	1114	$self->send ("ext " . to_json \%msg);
884	}	1115	}
885		1116
886	=back	1117	=back
887		1118
		1119
		1120	=head3 cf::map
		1121
		1122	=over 4
		1123
		1124	=cut
		1125
		1126	package cf::map;
		1127
		1128	use Fcntl;
		1129	use Coro::AIO;
		1130
		1131	our $MAX_RESET = 7200;
		1132	our $DEFAULT_RESET = 3600;
		1133
		1134	sub generate_random_map {
		1135	my ($path, $rmp) = @_;
		1136
		1137	# mit "rum" bekleckern, nicht
		1138	cf::map::_create_random_map
		1139	$path,
		1140	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
		1141	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
		1142	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
		1143	$rmp->{exit_on_final_map},
		1144	$rmp->{xsize}, $rmp->{ysize},
		1145	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
		1146	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
		1147	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
		1148	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
		1149	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
		1150	(cf::region::find $rmp->{region})
		1151	}
		1152
		1153	# and all this just because we cannot iterate over
		1154	# all maps in C++...
		1155	sub change_all_map_light {
		1156	my ($change) = @_;
		1157
		1158	$_->change_map_light ($change)
		1159	for grep $_->outdoor, values %cf::MAP;
		1160	}
		1161
		1162	sub try_load_header($) {
		1163	my ($path) = @_;
		1164
		1165	utf8::encode $path;
		1166	aio_open $path, O_RDONLY, 0
		1167	or return;
		1168
		1169	my $map = cf::map::new
		1170	or return;
		1171
		1172	$map->load_header ($path)
		1173	or return;
		1174
		1175	$map->{load_path} = $path;
		1176
		1177	$map
		1178	}
		1179
		1180	sub find_map;
		1181	sub find_map {
		1182	my ($path, $origin) = @_;
		1183
		1184	#warn "find_map<$path,$origin>\n";#d#
		1185
		1186	$path = new cf::path $path, $origin && $origin->path;
		1187	my $key = $path->as_string;
		1188
		1189	cf::lock_wait "map_find:$key";
		1190
		1191	$cf::MAP{$key} \|\| do {
		1192	my $guard = cf::lock_acquire "map_find:$key";
		1193
		1194	# do it the slow way
		1195	my $map = try_load_header $path->save_path;
		1196
		1197	if ($map) {
		1198	# safety
		1199	$map->{instantiate_time} = $cf::RUNTIME
		1200	if $map->{instantiate_time} > $cf::RUNTIME;
		1201	} else {
		1202	if (my $rmp = $path->random_map_params) {
		1203	$map = generate_random_map $key, $rmp;
		1204	} else {
		1205	$map = try_load_header $path->load_path;
		1206	}
		1207
		1208	$map or return;
		1209
		1210	$map->{load_original} = 1;
		1211	$map->{instantiate_time} = $cf::RUNTIME;
		1212	$map->instantiate;
		1213
		1214	# per-player maps become, after loading, normal maps
		1215	$map->per_player (0) if $path->{user_rel};
		1216	}
		1217
		1218	$map->path ($key);
		1219	$map->{path} = $path;
		1220	$map->{last_save} = $cf::RUNTIME;
		1221	$map->last_access ($cf::RUNTIME);
		1222
		1223	if ($map->should_reset) {
		1224	$map->reset;
		1225	undef $guard;
		1226	$map = find_map $path
		1227	or return;
		1228	}
		1229
		1230	$cf::MAP{$key} = $map
		1231	}
		1232	}
		1233
		1234	sub load {
		1235	my ($self) = @_;
		1236
		1237	my $path = $self->{path};
		1238	my $guard = cf::lock_acquire "map_load:" . $path->as_string;
		1239
		1240	return if $self->in_memory != cf::MAP_SWAPPED;
		1241
		1242	$self->in_memory (cf::MAP_LOADING);
		1243
		1244	$self->alloc;
		1245	$self->load_objects ($self->{load_path}, 1)
		1246	or return;
		1247
		1248	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1249	if delete $self->{load_original};
		1250
		1251	if (my $uniq = $path->uniq_path) {
		1252	utf8::encode $uniq;
		1253	if (aio_open $uniq, O_RDONLY, 0) {
		1254	$self->clear_unique_items;
		1255	$self->load_objects ($uniq, 0);
		1256	}
		1257	}
		1258
		1259	# now do the right thing for maps
		1260	$self->link_multipart_objects;
		1261
		1262	if ($self->{path}->is_style_map) {
		1263	$self->{deny_save} = 1;
		1264	$self->{deny_reset} = 1;
		1265	} else {
		1266	$self->fix_auto_apply;
		1267	$self->decay_objects;
		1268	$self->update_buttons;
		1269	$self->set_darkness_map;
		1270	$self->difficulty ($self->estimate_difficulty)
		1271	unless $self->difficulty;
		1272	$self->activate;
		1273	}
		1274
		1275	$self->in_memory (cf::MAP_IN_MEMORY);
		1276	}
		1277
		1278	sub load_map_sync {
		1279	my ($path, $origin) = @_;
		1280
		1281	#warn "load_map_sync<$path, $origin>\n";#d#
		1282
		1283	cf::sync_job {
		1284	my $map = cf::map::find_map $path, $origin
		1285	or return;
		1286	$map->load;
		1287	$map
		1288	}
		1289	}
		1290
		1291	sub save {
		1292	my ($self) = @_;
		1293
		1294	$self->{last_save} = $cf::RUNTIME;
		1295
		1296	return unless $self->dirty;
		1297
		1298	my $save = $self->{path}->save_path; utf8::encode $save;
		1299	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
		1300
		1301	$self->{load_path} = $save;
		1302
		1303	return if $self->{deny_save};
		1304
		1305	if ($uniq) {
		1306	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);
		1307	$self->save_objects ($uniq, cf::IO_UNIQUES);
		1308	} else {
		1309	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS \| cf::IO_UNIQUES);
		1310	}
		1311	}
		1312
		1313	sub swap_out {
		1314	my ($self) = @_;
		1315
		1316	return if $self->players;
		1317	return if $self->in_memory != cf::MAP_IN_MEMORY;
		1318	return if $self->{deny_save};
		1319
		1320	$self->save;
		1321	$self->clear;
		1322	$self->in_memory (cf::MAP_SWAPPED);
		1323	}
		1324
		1325	sub reset_at {
		1326	my ($self) = @_;
		1327
		1328	# TODO: safety, remove and allow resettable per-player maps
		1329	return 1e99 if $self->{path}{user_rel};
		1330	return 1e99 if $self->{deny_reset};
		1331
		1332	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1333	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;
		1334
		1335	$time + $to
		1336	}
		1337
		1338	sub should_reset {
		1339	my ($self) = @_;
		1340
		1341	$self->reset_at <= $cf::RUNTIME
		1342	}
		1343
		1344	sub unlink_save {
		1345	my ($self) = @_;
		1346
		1347	utf8::encode (my $save = $self->{path}->save_path);
		1348	aioreq_pri 3; IO::AIO::aio_unlink $save;
		1349	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
		1350	}
		1351
		1352	sub rename {
		1353	my ($self, $new_path) = @_;
		1354
		1355	$self->unlink_save;
		1356
		1357	delete $cf::MAP{$self->path};
		1358	$self->{path} = new cf::path $new_path;
		1359	$self->path ($self->{path}->as_string);
		1360	$cf::MAP{$self->path} = $self;
		1361
		1362	$self->save;
		1363	}
		1364
		1365	sub reset {
		1366	my ($self) = @_;
		1367
		1368	return if $self->players;
		1369	return if $self->{path}{user_rel};#d#
		1370
		1371	warn "resetting map ", $self->path;#d#
		1372
		1373	delete $cf::MAP{$self->path};
		1374
		1375	$_->clear_links_to ($self) for values %cf::MAP;
		1376
		1377	$self->unlink_save;
		1378	$self->destroy;
		1379	}
		1380
		1381	my $nuke_counter = "aaaa";
		1382
		1383	sub nuke {
		1384	my ($self) = @_;
		1385
		1386	$self->{deny_save} = 1;
		1387	$self->reset_timeout (1);
		1388	$self->rename ("{nuke}/" . ($nuke_counter++));
		1389	$self->reset; # polite request, might not happen
		1390	}
		1391
		1392	sub customise_for {
		1393	my ($map, $ob) = @_;
		1394
		1395	if ($map->per_player) {
		1396	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};
		1397	}
		1398
		1399	$map
		1400	}
		1401
		1402	sub emergency_save {
		1403	local $cf::FREEZE = 1;
		1404
		1405	warn "enter emergency map save\n";
		1406
		1407	cf::sync_job {
		1408	warn "begin emergency map save\n";
		1409	$_->save for values %cf::MAP;
		1410	};
		1411
		1412	warn "end emergency map save\n";
		1413	}
		1414
		1415	package cf;
		1416
		1417	=back
		1418
		1419
888	=head3 cf::object::player	1420	=head3 cf::object::player
889		1421
890	=over 4	1422	=over 4
891		1423
892	=item $player_object->reply ($npc, $msg[, $flags])	1424	=item $player_object->reply ($npc, $msg[, $flags])
…		…
925		1457
926	$self->flag (cf::FLAG_WIZ) \|\|	1458	$self->flag (cf::FLAG_WIZ) \|\|
927	(ref $cf::CFG{"may_$access"}	1459	(ref $cf::CFG{"may_$access"}
928	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1460	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
929	: $cf::CFG{"may_$access"})	1461	: $cf::CFG{"may_$access"})
		1462	}
		1463
		1464	=item $player_object->enter_link
		1465
		1466	Freezes the player and moves him/her to a special map (C<{link}>).
		1467
		1468	The player should be reaosnably safe there for short amounts of time. You
		1469	I<MUST> call C<leave_link> as soon as possible, though.
		1470
		1471	=item $player_object->leave_link ($map, $x, $y)
		1472
		1473	Moves the player out of the specila link map onto the given map. If the
		1474	map is not valid (or omitted), the player will be moved back to the
		1475	location he/she was before the call to C<enter_link>, or, if that fails,
		1476	to the emergency map position.
		1477
		1478	Might block.
		1479
		1480	=cut
		1481
		1482	sub cf::object::player::enter_link {
		1483	my ($self) = @_;
		1484
		1485	$self->deactivate_recursive;
		1486
		1487	return if $self->map == $LINK_MAP;
		1488
		1489	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]
		1490	if $self->map;
		1491
		1492	$self->enter_map ($LINK_MAP, 20, 20);
		1493	}
		1494
		1495	sub cf::object::player::leave_link {
		1496	my ($self, $map, $x, $y) = @_;
		1497
		1498	my $link_pos = delete $self->{_link_pos};
		1499
		1500	unless ($map) {
		1501	# restore original map position
		1502	($map, $x, $y) = @{ $link_pos \|\| [] };
		1503	$map = cf::map::find_map $map;
		1504
		1505	unless ($map) {
		1506	($map, $x, $y) = @$EMERGENCY_POSITION;
		1507	$map = cf::map::find_map $map
		1508	or die "FATAL: cannot load emergency map\n";
		1509	}
		1510	}
		1511
		1512	($x, $y) = (-1, -1)
		1513	unless (defined $x) && (defined $y);
		1514
		1515	# use -1 or undef as default coordinates, not 0, 0
		1516	($x, $y) = ($map->enter_x, $map->enter_y)
		1517	if $x <=0 && $y <= 0;
		1518
		1519	$map->load;
		1520
		1521	$self->activate_recursive;
		1522	$self->enter_map ($map, $x, $y);
		1523	}
		1524
		1525	cf::player->attach (
		1526	on_logout => sub {
		1527	my ($pl) = @_;
		1528
		1529	# abort map switching before logout
		1530	if ($pl->ob->{_link_pos}) {
		1531	cf::sync_job {
		1532	$pl->ob->leave_link
		1533	};
		1534	}
		1535	},
		1536	on_login => sub {
		1537	my ($pl) = @_;
		1538
		1539	# try to abort aborted map switching on player login :)
		1540	# should happen only on crashes
		1541	if ($pl->ob->{_link_pos}) {
		1542	$pl->ob->enter_link;
		1543	Coro::async {
		1544	# we need this sleep as the login has a concurrent enter_exit running
		1545	# and this sleep increases chances of the player not ending up in scorn
		1546	Coro::Timer::sleep 1;
		1547	$pl->ob->leave_link;
		1548	};
		1549	}
		1550	},
		1551	);
		1552
		1553	=item $player_object->goto_map ($path, $x, $y)
		1554
		1555	=cut
		1556
		1557	sub cf::object::player::goto_map {
		1558	my ($self, $path, $x, $y) = @_;
		1559
		1560	$self->enter_link;
		1561
		1562	(Coro::async {
		1563	$path = new cf::path $path;
		1564
		1565	my $map = cf::map::find_map $path->as_string;
		1566	$map = $map->customise_for ($self) if $map;
		1567
		1568	# warn "entering ", $map->path, " at ($x, $y)\n"
		1569	# if $map;
		1570
		1571	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
		1572
		1573	$self->leave_link ($map, $x, $y);
		1574	})->prio (1);
		1575	}
		1576
		1577	=item $player_object->enter_exit ($exit_object)
		1578
		1579	=cut
		1580
		1581	sub parse_random_map_params {
		1582	my ($spec) = @_;
		1583
		1584	my $rmp = { # defaults
		1585	xsize => 10,
		1586	ysize => 10,
		1587	};
		1588
		1589	for (split /\n/, $spec) {
		1590	my ($k, $v) = split /\s+/, $_, 2;
		1591
		1592	$rmp->{lc $k} = $v if (length $k) && (length $v);
		1593	}
		1594
		1595	$rmp
		1596	}
		1597
		1598	sub prepare_random_map {
		1599	my ($exit) = @_;
		1600
		1601	# all this does is basically replace the /! path by
		1602	# a new random map path (?random/...) with a seed
		1603	# that depends on the exit object
		1604
		1605	my $rmp = parse_random_map_params $exit->msg;
		1606
		1607	if ($exit->map) {
		1608	$rmp->{region} = $exit->map->region_name;
		1609	$rmp->{origin_map} = $exit->map->path;
		1610	$rmp->{origin_x} = $exit->x;
		1611	$rmp->{origin_y} = $exit->y;
		1612	}
		1613
		1614	$rmp->{random_seed} \|\|= $exit->random_seed;
		1615
		1616	my $data = cf::to_json $rmp;
		1617	my $md5 = Digest::MD5::md5_hex $data;
		1618
		1619	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY \| O_CREAT, 0666) {
		1620	aio_write $fh, 0, (length $data), $data, 0;
		1621
		1622	$exit->slaying ("?random/$md5");
		1623	$exit->msg (undef);
		1624	}
		1625	}
		1626
		1627	sub cf::object::player::enter_exit {
		1628	my ($self, $exit) = @_;
		1629
		1630	return unless $self->type == cf::PLAYER;
		1631
		1632	$self->enter_link;
		1633
		1634	(Coro::async {
		1635	unless (eval {
		1636
		1637	prepare_random_map $exit
		1638	if $exit->slaying eq "/!";
		1639
		1640	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
		1641	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
		1642
		1643	1;
		1644	}) {
		1645	$self->message ("Something went wrong deep within the crossfire server. "
		1646	. "I'll try to bring you back to the map you were before. "
		1647	. "Please report this to the dungeon master",
		1648	cf::NDI_UNIQUE \| cf::NDI_RED);
		1649
		1650	warn "ERROR in enter_exit: $@";
		1651	$self->leave_link;
		1652	}
		1653	})->prio (1);
930	}	1654	}
931		1655
932	=head3 cf::client	1656	=head3 cf::client
933		1657
934	=over 4	1658	=over 4
…		…
1193		1917
1194	{	1918	{
1195	my $path = cf::localdir . "/database.pst";	1919	my $path = cf::localdir . "/database.pst";
1196		1920
1197	sub db_load() {	1921	sub db_load() {
1198	warn "loading database $path\n";#d# remove later
1199	$DB = stat $path ? Storable::retrieve $path : { };	1922	$DB = stat $path ? Storable::retrieve $path : { };
1200	}	1923	}
1201		1924
1202	my $pid;	1925	my $pid;
1203		1926
1204	sub db_save() {	1927	sub db_save() {
1205	warn "saving database $path\n";#d# remove later
1206	waitpid $pid, 0 if $pid;	1928	waitpid $pid, 0 if $pid;
1207	if (0 == ($pid = fork)) {	1929	if (0 == ($pid = fork)) {
1208	$DB->{_meta}{version} = 1;	1930	$DB->{_meta}{version} = 1;
1209	Storable::nstore $DB, "$path~";	1931	Storable::nstore $DB, "$path~";
1210	rename "$path~", $path;	1932	rename "$path~", $path;
…		…
1261	local $/;	1983	local $/;
1262	*CFG = YAML::Syck::Load <$fh>;	1984	*CFG = YAML::Syck::Load <$fh>;
1263	}	1985	}
1264		1986
1265	sub main {	1987	sub main {
		1988	# we must not ever block the main coroutine
		1989	local $Coro::idle = sub {
		1990	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		1991	(Coro::unblock_sub {
		1992	Event::one_event;
		1993	})->();
		1994	};
		1995
1266	cfg_load;	1996	cfg_load;
1267	db_load;	1997	db_load;
1268	load_extensions;	1998	load_extensions;
1269	Event::loop;	1999	Event::loop;
1270	}	2000	}
1271		2001
1272	#############################################################################	2002	#############################################################################
1273	# initialisation	2003	# initialisation
1274		2004
1275	sub _perl_reload() {	2005	sub reload() {
		2006	# can/must only be called in main
		2007	if ($Coro::current != $Coro::main) {
		2008	warn "can only reload from main coroutine\n";
		2009	return;
		2010	}
		2011
1276	warn "reloading...";	2012	warn "reloading...";
1277		2013
		2014	local $FREEZE = 1;
		2015	cf::emergency_save;
		2016
1278	eval {	2017	eval {
1279	local $FREEZE = 1;	2018	# if anything goes wrong in here, we should simply crash as we already saved
1280
1281	cf::emergency_save;
1282		2019
1283	# cancel all watchers	2020	# cancel all watchers
1284	for (Event::all_watchers) {	2021	for (Event::all_watchers) {
1285	$_->cancel if $_->data & WF_AUTOCANCEL;	2022	$_->cancel if $_->data & WF_AUTOCANCEL;
1286	}	2023	}
…		…
1345		2082
1346	# reattach attachments to objects	2083	# reattach attachments to objects
1347	warn "reattach";	2084	warn "reattach";
1348	_global_reattach;	2085	_global_reattach;
1349	};	2086	};
1350	warn $@ if $@;
1351		2087
1352	warn "reloaded";	2088	if ($@) {
		2089	warn $@;
		2090	warn "error while reloading, exiting.";
		2091	exit 1;
		2092	}
		2093
		2094	warn "reloaded successfully";
1353	};	2095	};
1354		2096
1355	sub perl_reload() {	2097	#############################################################################
1356	_perl_reload;	2098
		2099	unless ($LINK_MAP) {
		2100	$LINK_MAP = cf::map::new;
		2101
		2102	$LINK_MAP->width (41);
		2103	$LINK_MAP->height (41);
		2104	$LINK_MAP->alloc;
		2105	$LINK_MAP->path ("{link}");
		2106	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
		2107	$LINK_MAP->in_memory (MAP_IN_MEMORY);
		2108
		2109	# dirty hack because... archetypes are not yet loaded
		2110	Event->timer (
		2111	after => 2,
		2112	cb => sub {
		2113	$_[0]->w->cancel;
		2114
		2115	# provide some exits "home"
		2116	my $exit = cf::object::new "exit";
		2117
		2118	$exit->slaying ($EMERGENCY_POSITION->[0]);
		2119	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
		2120	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
		2121
		2122	$LINK_MAP->insert ($exit->clone, 19, 19);
		2123	$LINK_MAP->insert ($exit->clone, 19, 20);
		2124	$LINK_MAP->insert ($exit->clone, 19, 21);
		2125	$LINK_MAP->insert ($exit->clone, 20, 19);
		2126	$LINK_MAP->insert ($exit->clone, 20, 21);
		2127	$LINK_MAP->insert ($exit->clone, 21, 19);
		2128	$LINK_MAP->insert ($exit->clone, 21, 20);
		2129	$LINK_MAP->insert ($exit->clone, 21, 21);
		2130
		2131	$exit->destroy;
		2132	});
		2133
		2134	$LINK_MAP->{deny_save} = 1;
		2135	$LINK_MAP->{deny_reset} = 1;
		2136
		2137	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1357	}	2138	}
1358		2139
1359	register "<global>", __PACKAGE__;	2140	register "<global>", __PACKAGE__;
1360		2141
1361	register_command "perl-reload" => sub {	2142	register_command "reload" => sub {
1362	my ($who, $arg) = @_;	2143	my ($who, $arg) = @_;
1363		2144
1364	if ($who->flag (FLAG_WIZ)) {	2145	if ($who->flag (FLAG_WIZ)) {
		2146	$who->message ("start of reload.");
		2147	reload;
1365	$who->message ("reloading...");	2148	$who->message ("end of reload.");
1366	_perl_reload;
1367	}	2149	}
1368	};	2150	};
1369		2151
1370	unshift @INC, $LIBDIR;	2152	unshift @INC, $LIBDIR;
1371		2153
…		…
1390	},	2172	},
1391	);	2173	);
1392		2174
1393	IO::AIO::max_poll_time $TICK * 0.2;	2175	IO::AIO::max_poll_time $TICK * 0.2;
1394		2176
		2177	Event->io (
1395	Event->io (fd => IO::AIO::poll_fileno,	2178	fd => IO::AIO::poll_fileno,
1396	poll => 'r',	2179	poll => 'r',
1397	prio => 5,	2180	prio => 5,
1398	data => WF_AUTOCANCEL,	2181	data => WF_AUTOCANCEL,
1399	cb => \&IO::AIO::poll_cb);	2182	cb => \&IO::AIO::poll_cb,
		2183	);
1400		2184
1401	# we must not ever block the main coroutine	2185	Event->timer (
1402	$Coro::idle = sub {	2186	data => WF_AUTOCANCEL,
1403	#Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2187	after => 0,
1404	warn "FATAL: Coro::idle was called, major BUG\n";	2188	interval => 10,
		2189	cb => sub {
1405	(Coro::unblock_sub {	2190	(Coro::unblock_sub {
1406	Event::one_event;	2191	write_runtime
		2192	or warn "ERROR: unable to write runtime file: $!";
1407	})->();	2193	})->();
1408	};	2194	},
		2195	);
		2196
		2197	END { cf::emergency_save }
1409		2198
1410	1	2199	1
1411		2200

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.105 by root, Sun Dec 31 17:17:23 2006 UTC vs. Revision 1.126 by root, Tue Jan 2 23:12:47 2007 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.105 by root, Sun Dec 31 17:17:23 2006 UTC vs.
Revision 1.126 by root, Tue Jan 2 23:12:47 2007 UTC