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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.108 by root, Sun Dec 31 21:02:05 2006 UTC vs.
Revision 1.135 by root, Thu Jan 4 20:29:46 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;
…		…
49	our $UPTIME; $UPTIME \|\|= time;	49	our $UPTIME; $UPTIME \|\|= time;
50	our $RUNTIME;	50	our $RUNTIME;
51		51
52	our %MAP; # all maps	52	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	53	our $LINK_MAP; # the special {link} map
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	54	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	55	our %EXT_CORO;
57		56
58	binmode STDOUT;	57	binmode STDOUT;
59	binmode STDERR;	58	binmode STDERR;
…		…
71	mkdir cf::localdir . "/" . cf::uniquedir;	70	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	71	mkdir $RANDOM_MAPS;
73		72
74	# a special map that is always available	73	# a special map that is always available
75	our $LINK_MAP;	74	our $LINK_MAP;
		75	our $EMERGENCY_POSITION;
76		76
77	#############################################################################	77	#############################################################################
78		78
79	=head2 GLOBAL VARIABLES	79	=head2 GLOBAL VARIABLES
80		80
…		…
179	sub to_json($) {	179	sub to_json($) {
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]	181	JSON::Syck::Dump $_[0]
182	}	182	}
183		183
		184	=item cf::lock_wait $string
		185
		186	Wait until the given lock is available. See cf::lock_acquire.
		187
		188	=item my $lock = cf::lock_acquire $string
		189
		190	Wait until the given lock is available and then acquires it and returns
		191	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		192	for example when the coroutine gets canceled), the lock is automatically
		193	returned.
		194
		195	Lock names should begin with a unique identifier (for example, cf::map::find
		196	uses map_find and cf::map::load uses map_load).
		197
		198	=cut
		199
		200	our %LOCK;
		201
		202	sub lock_wait($) {
		203	my ($key) = @_;
		204
		205	# wait for lock, if any
		206	while ($LOCK{$key}) {
		207	push @{ $LOCK{$key} }, $Coro::current;
		208	Coro::schedule;
		209	}
		210	}
		211
		212	sub lock_acquire($) {
		213	my ($key) = @_;
		214
		215	# wait, to be sure we are not locked
		216	lock_wait $key;
		217
		218	$LOCK{$key} = [];
		219
		220	Coro::guard {
		221	# wake up all waiters, to be on the safe side
		222	$_->ready for @{ delete $LOCK{$key} };
		223	}
		224	}
		225
		226	=item cf::async { BLOCK }
		227
		228	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
		229	error instead of exiting the server in case of a problem.
		230
		231	=cut
		232
		233	sub async(&) {
		234	my ($cb) = @_;
		235
		236	Coro::async {
		237	eval { $cb->() };
		238	warn $@ if $@;
		239	}
		240	}
		241
		242	sub freeze_mainloop {
		243	return unless $TICK_WATCHER->is_active;
		244
		245	my $guard = Coro::guard { $TICK_WATCHER->start };
		246	$TICK_WATCHER->stop;
		247	$guard
		248	}
		249
184	=item cf::sync_job { BLOCK }	250	=item cf::sync_job { BLOCK }
185		251
186	The design of crossfire+ requires that the main coro ($Coro::main) is	252	The design of crossfire+ requires that the main coro ($Coro::main) is
187	always able to handle events or runnable, as crossfire+ is only partly	253	always able to handle events or runnable, as crossfire+ is only partly
188	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	254	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.
…		…
195	=cut	261	=cut
196		262
197	sub sync_job(&) {	263	sub sync_job(&) {
198	my ($job) = @_;	264	my ($job) = @_;
199		265
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 == $Coro::main) {	266	if ($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	my $freeze_guard = freeze_mainloop;
		273
		274	my $busy = 1;
		275	my @res;
		276
		277	(Coro::async {
		278	@res = eval { $job->() };
		279	warn $@ if $@;
		280	undef $busy;
213	$coro->prio (Coro::PRIO_MAX);	281	})->prio (Coro::PRIO_MAX);
		282
214	while ($busy) {	283	while ($busy) {
215	Coro::cede_notself;	284	Coro::cede_notself;
216	Event::one_event unless Coro::nready;	285	Event::one_event unless Coro::nready;
217	}	286	}
		287
		288	wantarray ? @res : $res[0]
218	} else {	289	} else {
219	$coro->join;	290	# we are in another coroutine, how wonderful, everything just works
		291
		292	$job->()
220	}	293	}
221
222	wantarray ? @res : $res[0]
223	}	294	}
224		295
225	=item $coro = cf::coro { BLOCK }	296	=item $coro = cf::coro { BLOCK }
226		297
227	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
…		…
230	=cut	301	=cut
231		302
232	sub coro(&) {	303	sub coro(&) {
233	my $cb = shift;	304	my $cb = shift;
234		305
235	my $coro; $coro = async {	306	my $coro = &cf::async ($cb);
236	eval {
237	$cb->();
238	};
239	warn $@ if $@;
240	};
241		307
242	$coro->on_destroy (sub {	308	$coro->on_destroy (sub {
243	delete $EXT_CORO{$coro+0};	309	delete $EXT_CORO{$coro+0};
244	});	310	});
245	$EXT_CORO{$coro+0} = $coro;	311	$EXT_CORO{$coro+0} = $coro;
…		…
251	my $runtime = cf::localdir . "/runtime";	317	my $runtime = cf::localdir . "/runtime";
252		318
253	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644	319	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644
254	or return;	320	or return;
255		321
256	my $value = $cf::RUNTIME;	322	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	323	(aio_write $fh, 0, (length $value), $value, 0) <= 0
258	and return;	324	and return;
259		325
260	aio_fsync $fh	326	aio_fsync $fh
261	and return;	327	and return;
…		…
278	package cf::path;	344	package cf::path;
279		345
280	sub new {	346	sub new {
281	my ($class, $path, $base) = @_;	347	my ($class, $path, $base) = @_;
282		348
		349	$path = $path->as_string if ref $path;
		350
283	my $self = bless { }, $class;	351	my $self = bless { }, $class;
284		352
		353	# {... are special paths that are not touched
		354	# ?xxx/... are special absolute paths
		355	# ?random/... random maps
		356	# /! non-realised random map exit
		357	# /... normal maps
		358	# ~/... per-player maps without a specific player (DO NOT USE)
		359	# ~user/... per-player map of a specific user
		360
		361	if ($path =~ /^{/) {
		362	# fine as it is
285	if ($path =~ s{^\?random/}{}) {	363	} elsif ($path =~ s{^\?random/}{}) {
		364	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
286	$self->{random} = cf::from_json $path;	365	$self->{random} = cf::from_json $data;
287	} else {	366	} else {
288	if ($path =~ s{^~([^/]+)?}{}) {	367	if ($path =~ s{^~([^/]+)?}{}) {
289	$self->{user_rel} = 1;	368	$self->{user_rel} = 1;
290		369
291	if (defined $1) {	370	if (defined $1) {
…		…
324		403
325	# the displayed name, this is a one way mapping	404	# the displayed name, this is a one way mapping
326	sub visible_name {	405	sub visible_name {
327	my ($self) = @_;	406	my ($self) = @_;
328		407
329	$self->{random} ? "?random/$self->{random}{origin_map}+$self->{random}{origin_x}+$self->{random}{origin_y}/$self->{random}{dungeon_level}"	408	# if (my $rmp = $self->{random}) {
330	: $self->as_string	409	# # todo: be more intelligent about this
		410	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
		411	# } else {
		412	$self->as_string
		413	# }
331	}	414	}
332		415
333	# escape the /'s in the path	416	# escape the /'s in the path
334	sub _escaped_path {	417	sub _escaped_path {
335	# ∕ is U+2215	418	# ∕ is U+2215
…		…
347	# the temporary/swap location	430	# the temporary/swap location
348	sub save_path {	431	sub save_path {
349	my ($self) = @_;	432	my ($self) = @_;
350		433
351	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path	434	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
352	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, Digest::MD5::md5_hex $self->{path}	435	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
353	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path	436	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
354	}	437	}
355		438
356	# the unique path, might be eq to save_path	439	# the unique path, might be eq to save_path
357	sub uniq_path {	440	sub uniq_path {
…		…
790	or return;	873	or return;
791		874
792	unless (aio_stat "$filename.pst") {	875	unless (aio_stat "$filename.pst") {
793	(aio_load "$filename.pst", $av) >= 0	876	(aio_load "$filename.pst", $av) >= 0
794	or return;	877	or return;
795	$av = eval { (Storable::thaw <$av>)->{objs} };	878	$av = eval { (Storable::thaw $av)->{objs} };
796	}	879	}
797		880
		881	warn sprintf "loading %s (%d)\n",
		882	$filename, length $data, scalar @{$av \|\| []};#d#
798	return ($data, $av);	883	return ($data, $av);
799	}	884	}
800		885
801	#############################################################################	886	#############################################################################
802	# command handling &c	887	# command handling &c
…		…
1024	$self->send ("ext " . to_json \%msg);	1109	$self->send ("ext " . to_json \%msg);
1025	}	1110	}
1026		1111
1027	=back	1112	=back
1028		1113
		1114
		1115	=head3 cf::map
		1116
		1117	=over 4
		1118
		1119	=cut
		1120
		1121	package cf::map;
		1122
		1123	use Fcntl;
		1124	use Coro::AIO;
		1125
		1126	our $MAX_RESET = 3600;
		1127	our $DEFAULT_RESET = 3000;
		1128
		1129	sub generate_random_map {
		1130	my ($path, $rmp) = @_;
		1131
		1132	# mit "rum" bekleckern, nicht
		1133	cf::map::_create_random_map
		1134	$path,
		1135	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
		1136	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
		1137	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
		1138	$rmp->{exit_on_final_map},
		1139	$rmp->{xsize}, $rmp->{ysize},
		1140	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
		1141	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
		1142	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
		1143	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
		1144	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
		1145	(cf::region::find $rmp->{region})
		1146	}
		1147
		1148	# and all this just because we cannot iterate over
		1149	# all maps in C++...
		1150	sub change_all_map_light {
		1151	my ($change) = @_;
		1152
		1153	$_->change_map_light ($change)
		1154	for grep $_->outdoor, values %cf::MAP;
		1155	}
		1156
		1157	sub try_load_header($) {
		1158	my ($path) = @_;
		1159
		1160	utf8::encode $path;
		1161	aio_open $path, O_RDONLY, 0
		1162	or return;
		1163
		1164	my $map = cf::map::new
		1165	or return;
		1166
		1167	# for better error messages only, will be overwritten
		1168	$map->path ($path);
		1169
		1170	$map->load_header ($path)
		1171	or return;
		1172
		1173	$map->{load_path} = $path;
		1174
		1175	$map
		1176	}
		1177
		1178	sub find;
		1179	sub find {
		1180	my ($path, $origin) = @_;
		1181
		1182	#warn "find<$path,$origin>\n";#d#
		1183
		1184	$path = new cf::path $path, $origin && $origin->path;
		1185	my $key = $path->as_string;
		1186
		1187	cf::lock_wait "map_find:$key";
		1188
		1189	$cf::MAP{$key} \|\| do {
		1190	my $guard = cf::lock_acquire "map_find:$key";
		1191
		1192	# do it the slow way
		1193	my $map = try_load_header $path->save_path;
		1194
		1195	Coro::cede;
		1196
		1197	if ($map) {
		1198	$map->last_access ((delete $map->{last_access})
		1199	\|\| $cf::RUNTIME); #d#
		1200	# safety
		1201	$map->{instantiate_time} = $cf::RUNTIME
		1202	if $map->{instantiate_time} > $cf::RUNTIME;
		1203	} else {
		1204	if (my $rmp = $path->random_map_params) {
		1205	$map = generate_random_map $key, $rmp;
		1206	} else {
		1207	$map = try_load_header $path->load_path;
		1208	}
		1209
		1210	$map or return;
		1211
		1212	$map->{load_original} = 1;
		1213	$map->{instantiate_time} = $cf::RUNTIME;
		1214	$map->last_access ($cf::RUNTIME);
		1215	$map->instantiate;
		1216
		1217	# per-player maps become, after loading, normal maps
		1218	$map->per_player (0) if $path->{user_rel};
		1219	}
		1220
		1221	$map->path ($key);
		1222	$map->{path} = $path;
		1223	$map->{last_save} = $cf::RUNTIME;
		1224
		1225	Coro::cede;
		1226
		1227	if ($map->should_reset) {
		1228	$map->reset;
		1229	undef $guard;
		1230	$map = find $path
		1231	or return;
		1232	}
		1233
		1234	$cf::MAP{$key} = $map
		1235	}
		1236	}
		1237
		1238	sub load {
		1239	my ($self) = @_;
		1240
		1241	my $path = $self->{path};
		1242	my $guard = cf::lock_acquire "map_load:" . $path->as_string;
		1243
		1244	return if $self->in_memory != cf::MAP_SWAPPED;
		1245
		1246	$self->in_memory (cf::MAP_LOADING);
		1247
		1248	$self->alloc;
		1249	$self->load_objects ($self->{load_path}, 1)
		1250	or return;
		1251
		1252	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1253	if delete $self->{load_original};
		1254
		1255	if (my $uniq = $path->uniq_path) {
		1256	utf8::encode $uniq;
		1257	if (aio_open $uniq, O_RDONLY, 0) {
		1258	$self->clear_unique_items;
		1259	$self->load_objects ($uniq, 0);
		1260	}
		1261	}
		1262
		1263	Coro::cede;
		1264
		1265	# now do the right thing for maps
		1266	$self->link_multipart_objects;
		1267
		1268	if ($self->{path}->is_style_map) {
		1269	$self->{deny_save} = 1;
		1270	$self->{deny_reset} = 1;
		1271	} else {
		1272	$self->fix_auto_apply;
		1273	$self->decay_objects;
		1274	$self->update_buttons;
		1275	$self->set_darkness_map;
		1276	$self->difficulty ($self->estimate_difficulty)
		1277	unless $self->difficulty;
		1278	$self->activate;
		1279	}
		1280
		1281	Coro::cede;
		1282
		1283	$self->in_memory (cf::MAP_IN_MEMORY);
		1284	}
		1285
		1286	sub find_sync {
		1287	my ($path, $origin) = @_;
		1288
		1289	cf::sync_job { cf::map::find $path, $origin }
		1290	}
		1291
		1292	sub do_load_sync {
		1293	my ($map) = @_;
		1294
		1295	cf::sync_job { $map->load };
		1296	}
		1297
		1298	sub save {
		1299	my ($self) = @_;
		1300
		1301	$self->{last_save} = $cf::RUNTIME;
		1302
		1303	return unless $self->dirty;
		1304
		1305	my $save = $self->{path}->save_path; utf8::encode $save;
		1306	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
		1307
		1308	$self->{load_path} = $save;
		1309
		1310	return if $self->{deny_save};
		1311
		1312	local $self->{last_access} = $self->last_access;#d#
		1313
		1314	if ($uniq) {
		1315	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);
		1316	$self->save_objects ($uniq, cf::IO_UNIQUES);
		1317	} else {
		1318	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS \| cf::IO_UNIQUES);
		1319	}
		1320	}
		1321
		1322	sub swap_out {
		1323	my ($self) = @_;
		1324
		1325	# save first because save cedes
		1326	$self->save;
		1327
		1328	return if $self->players;
		1329	return if $self->in_memory != cf::MAP_IN_MEMORY;
		1330	return if $self->{deny_save};
		1331
		1332	$self->clear;
		1333	$self->in_memory (cf::MAP_SWAPPED);
		1334	}
		1335
		1336	sub reset_at {
		1337	my ($self) = @_;
		1338
		1339	# TODO: safety, remove and allow resettable per-player maps
		1340	return 1e99 if $self->{path}{user_rel};
		1341	return 1e99 if $self->{deny_reset};
		1342
		1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1344	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;
		1345
		1346	$time + $to
		1347	}
		1348
		1349	sub should_reset {
		1350	my ($self) = @_;
		1351
		1352	$self->reset_at <= $cf::RUNTIME
		1353	}
		1354
		1355	sub unlink_save {
		1356	my ($self) = @_;
		1357
		1358	utf8::encode (my $save = $self->{path}->save_path);
		1359	aioreq_pri 3; IO::AIO::aio_unlink $save;
		1360	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
		1361	}
		1362
		1363	sub rename {
		1364	my ($self, $new_path) = @_;
		1365
		1366	$self->unlink_save;
		1367
		1368	delete $cf::MAP{$self->path};
		1369	$self->{path} = new cf::path $new_path;
		1370	$self->path ($self->{path}->as_string);
		1371	$cf::MAP{$self->path} = $self;
		1372
		1373	$self->save;
		1374	}
		1375
		1376	sub reset {
		1377	my ($self) = @_;
		1378
		1379	return if $self->players;
		1380	return if $self->{path}{user_rel};#d#
		1381
		1382	warn "resetting map ", $self->path;#d#
		1383
		1384	delete $cf::MAP{$self->path};
		1385
		1386	$_->clear_links_to ($self) for values %cf::MAP;
		1387
		1388	$self->unlink_save;
		1389	$self->destroy;
		1390	}
		1391
		1392	my $nuke_counter = "aaaa";
		1393
		1394	sub nuke {
		1395	my ($self) = @_;
		1396
		1397	$self->{deny_save} = 1;
		1398	$self->reset_timeout (1);
		1399	$self->rename ("{nuke}/" . ($nuke_counter++));
		1400	$self->reset; # polite request, might not happen
		1401	}
		1402
		1403	sub customise_for {
		1404	my ($map, $ob) = @_;
		1405
		1406	if ($map->per_player) {
		1407	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
		1408	}
		1409
		1410	$map
		1411	}
		1412
		1413	sub emergency_save {
		1414	my $freeze_guard = cf::freeze_mainloop;
		1415
		1416	warn "enter emergency map save\n";
		1417
		1418	cf::sync_job {
		1419	warn "begin emergency map save\n";
		1420	$_->save for values %cf::MAP;
		1421	};
		1422
		1423	warn "end emergency map save\n";
		1424	}
		1425
		1426	package cf;
		1427
		1428	=back
		1429
		1430
1029	=head3 cf::object::player	1431	=head3 cf::object::player
1030		1432
1031	=over 4	1433	=over 4
1032		1434
1033	=item $player_object->reply ($npc, $msg[, $flags])	1435	=item $player_object->reply ($npc, $msg[, $flags])
…		…
1068	(ref $cf::CFG{"may_$access"}	1470	(ref $cf::CFG{"may_$access"}
1069	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1471	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1070	: $cf::CFG{"may_$access"})	1472	: $cf::CFG{"may_$access"})
1071	}	1473	}
1072		1474
		1475	=item $player_object->enter_link
		1476
		1477	Freezes the player and moves him/her to a special map (C<{link}>).
		1478
		1479	The player should be reaosnably safe there for short amounts of time. You
		1480	I<MUST> call C<leave_link> as soon as possible, though.
		1481
		1482	=item $player_object->leave_link ($map, $x, $y)
		1483
		1484	Moves the player out of the specila link map onto the given map. If the
		1485	map is not valid (or omitted), the player will be moved back to the
		1486	location he/she was before the call to C<enter_link>, or, if that fails,
		1487	to the emergency map position.
		1488
		1489	Might block.
		1490
		1491	=cut
		1492
		1493	sub cf::object::player::enter_link {
		1494	my ($self) = @_;
		1495
		1496	$self->deactivate_recursive;
		1497
		1498	return if $self->map == $LINK_MAP;
		1499
		1500	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]
		1501	if $self->map;
		1502
		1503	$self->enter_map ($LINK_MAP, 20, 20);
		1504	}
		1505
		1506	sub cf::object::player::leave_link {
		1507	my ($self, $map, $x, $y) = @_;
		1508
		1509	my $link_pos = delete $self->{_link_pos};
		1510
		1511	unless ($map) {
		1512	# restore original map position
		1513	($map, $x, $y) = @{ $link_pos \|\| [] };
		1514	$map = cf::map::find $map;
		1515
		1516	unless ($map) {
		1517	($map, $x, $y) = @$EMERGENCY_POSITION;
		1518	$map = cf::map::find $map
		1519	or die "FATAL: cannot load emergency map\n";
		1520	}
		1521	}
		1522
		1523	($x, $y) = (-1, -1)
		1524	unless (defined $x) && (defined $y);
		1525
		1526	# use -1 or undef as default coordinates, not 0, 0
		1527	($x, $y) = ($map->enter_x, $map->enter_y)
		1528	if $x <=0 && $y <= 0;
		1529
		1530	$map->load;
		1531
		1532	$self->activate_recursive;
		1533	$self->enter_map ($map, $x, $y);
		1534	}
		1535
		1536	cf::player->attach (
		1537	on_logout => sub {
		1538	my ($pl) = @_;
		1539
		1540	# abort map switching before logout
		1541	if ($pl->ob->{_link_pos}) {
		1542	cf::sync_job {
		1543	$pl->ob->leave_link
		1544	};
		1545	}
		1546	},
		1547	on_login => sub {
		1548	my ($pl) = @_;
		1549
		1550	# try to abort aborted map switching on player login :)
		1551	# should happen only on crashes
		1552	if ($pl->ob->{_link_pos}) {
		1553	$pl->ob->enter_link;
		1554	cf::async {
		1555	# we need this sleep as the login has a concurrent enter_exit running
		1556	# and this sleep increases chances of the player not ending up in scorn
		1557	Coro::Timer::sleep 1;
		1558	$pl->ob->leave_link;
		1559	};
		1560	}
		1561	},
		1562	);
		1563
		1564	=item $player_object->goto_map ($path, $x, $y)
		1565
		1566	=cut
		1567
		1568	sub cf::object::player::goto_map {
		1569	my ($self, $path, $x, $y) = @_;
		1570
		1571	$self->enter_link;
		1572
		1573	(cf::async {
		1574	$path = new cf::path $path;
		1575
		1576	my $map = cf::map::find $path->as_string;
		1577	$map = $map->customise_for ($self) if $map;
		1578
		1579	# warn "entering ", $map->path, " at ($x, $y)\n"
		1580	# if $map;
		1581
		1582	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
		1583
		1584	$self->leave_link ($map, $x, $y);
		1585	})->prio (1);
		1586	}
		1587
		1588	=item $player_object->enter_exit ($exit_object)
		1589
		1590	=cut
		1591
		1592	sub parse_random_map_params {
		1593	my ($spec) = @_;
		1594
		1595	my $rmp = { # defaults
		1596	xsize => 10,
		1597	ysize => 10,
		1598	};
		1599
		1600	for (split /\n/, $spec) {
		1601	my ($k, $v) = split /\s+/, $_, 2;
		1602
		1603	$rmp->{lc $k} = $v if (length $k) && (length $v);
		1604	}
		1605
		1606	$rmp
		1607	}
		1608
		1609	sub prepare_random_map {
		1610	my ($exit) = @_;
		1611
		1612	# all this does is basically replace the /! path by
		1613	# a new random map path (?random/...) with a seed
		1614	# that depends on the exit object
		1615
		1616	my $rmp = parse_random_map_params $exit->msg;
		1617
		1618	if ($exit->map) {
		1619	$rmp->{region} = $exit->map->region_name;
		1620	$rmp->{origin_map} = $exit->map->path;
		1621	$rmp->{origin_x} = $exit->x;
		1622	$rmp->{origin_y} = $exit->y;
		1623	}
		1624
		1625	$rmp->{random_seed} \|\|= $exit->random_seed;
		1626
		1627	my $data = cf::to_json $rmp;
		1628	my $md5 = Digest::MD5::md5_hex $data;
		1629
		1630	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY \| O_CREAT, 0666) {
		1631	aio_write $fh, 0, (length $data), $data, 0;
		1632
		1633	$exit->slaying ("?random/$md5");
		1634	$exit->msg (undef);
		1635	}
		1636	}
		1637
		1638	sub cf::object::player::enter_exit {
		1639	my ($self, $exit) = @_;
		1640
		1641	return unless $self->type == cf::PLAYER;
		1642
		1643	$self->enter_link;
		1644
		1645	(cf::async {
		1646	$self->deactivate_recursive; # just to be sure
		1647	unless (eval {
		1648	prepare_random_map $exit
		1649	if $exit->slaying eq "/!";
		1650
		1651	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
		1652	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
		1653
		1654	1;
		1655	}) {
		1656	$self->message ("Something went wrong deep within the crossfire server. "
		1657	. "I'll try to bring you back to the map you were before. "
		1658	. "Please report this to the dungeon master",
		1659	cf::NDI_UNIQUE \| cf::NDI_RED);
		1660
		1661	warn "ERROR in enter_exit: $@";
		1662	$self->leave_link;
		1663	}
		1664	})->prio (1);
		1665	}
		1666
1073	=head3 cf::client	1667	=head3 cf::client
1074		1668
1075	=over 4	1669	=over 4
1076		1670
1077	=item $client->send_drawinfo ($text, $flags)	1671	=item $client->send_drawinfo ($text, $flags)
…		…
1120	on_reply => sub {	1714	on_reply => sub {
1121	my ($ns, $msg) = @_;	1715	my ($ns, $msg) = @_;
1122		1716
1123	# this weird shuffling is so that direct followup queries	1717	# this weird shuffling is so that direct followup queries
1124	# get handled first	1718	# get handled first
1125	my $queue = delete $ns->{query_queue};	1719	my $queue = delete $ns->{query_queue}
		1720	or return; # be conservative, not sure how that can happen, but we saw a crash here
1126		1721
1127	(shift @$queue)->[1]->($msg);	1722	(shift @$queue)->[1]->($msg);
1128		1723
1129	push @{ $ns->{query_queue} }, @$queue;	1724	push @{ $ns->{query_queue} }, @$queue;
1130		1725
…		…
1147	=cut	1742	=cut
1148		1743
1149	sub cf::client::coro {	1744	sub cf::client::coro {
1150	my ($self, $cb) = @_;	1745	my ($self, $cb) = @_;
1151		1746
1152	my $coro; $coro = async {	1747	my $coro = &cf::async ($cb);
1153	eval {
1154	$cb->();
1155	};
1156	warn $@ if $@;
1157	};
1158		1748
1159	$coro->on_destroy (sub {	1749	$coro->on_destroy (sub {
1160	delete $self->{_coro}{$coro+0};	1750	delete $self->{_coro}{$coro+0};
1161	});	1751	});
1162		1752
…		…
1334		1924
1335	{	1925	{
1336	my $path = cf::localdir . "/database.pst";	1926	my $path = cf::localdir . "/database.pst";
1337		1927
1338	sub db_load() {	1928	sub db_load() {
1339	warn "loading database $path\n";#d# remove later
1340	$DB = stat $path ? Storable::retrieve $path : { };	1929	$DB = stat $path ? Storable::retrieve $path : { };
1341	}	1930	}
1342		1931
1343	my $pid;	1932	my $pid;
1344		1933
1345	sub db_save() {	1934	sub db_save() {
1346	warn "saving database $path\n";#d# remove later
1347	waitpid $pid, 0 if $pid;	1935	waitpid $pid, 0 if $pid;
1348	if (0 == ($pid = fork)) {	1936	if (0 == ($pid = fork)) {
1349	$DB->{_meta}{version} = 1;	1937	$DB->{_meta}{version} = 1;
1350	Storable::nstore $DB, "$path~";	1938	Storable::nstore $DB, "$path~";
1351	rename "$path~", $path;	1939	rename "$path~", $path;
…		…
1399	open my $fh, "<:utf8", cf::confdir . "/config"	1987	open my $fh, "<:utf8", cf::confdir . "/config"
1400	or return;	1988	or return;
1401		1989
1402	local $/;	1990	local $/;
1403	*CFG = YAML::Syck::Load <$fh>;	1991	*CFG = YAML::Syck::Load <$fh>;
		1992
		1993	$EMERGENCY_POSITION = $CFG{emergency_position} \|\| ["/world/world_105_115", 5, 37];
		1994
		1995	if (exists $CFG{mlockall}) {
		1996	eval {
		1997	$CFG{mlockall} ? &mlockall : &munlockall
		1998	and die "WARNING: m(un)lockall failed: $!\n";
		1999	};
		2000	warn $@ if $@;
		2001	}
1404	}	2002	}
1405		2003
1406	sub main {	2004	sub main {
1407	# we must not ever block the main coroutine	2005	# we must not ever block the main coroutine
1408	local $Coro::idle = sub {	2006	local $Coro::idle = sub {
1409	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2007	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1410	(Coro::unblock_sub {	2008	(Coro::unblock_sub {
1411	Event::one_event;	2009	Event::one_event;
1412	})->();	2010	})->();
1413	};	2011	};
1414		2012
…		…
1419	}	2017	}
1420		2018
1421	#############################################################################	2019	#############################################################################
1422	# initialisation	2020	# initialisation
1423		2021
1424	sub perl_reload() {	2022	sub reload() {
1425	# can/must only be called in main	2023	# can/must only be called in main
1426	if ($Coro::current != $Coro::main) {	2024	if ($Coro::current != $Coro::main) {
1427	warn "can only reload from main coroutine\n";	2025	warn "can only reload from main coroutine\n";
1428	return;	2026	return;
1429	}	2027	}
1430		2028
1431	warn "reloading...";	2029	warn "reloading...";
1432		2030
1433	local $FREEZE = 1;	2031	my $guard = freeze_mainloop;
1434	cf::emergency_save;	2032	cf::emergency_save;
1435		2033
1436	eval {	2034	eval {
1437	# if anything goes wrong in here, we should simply crash as we already saved	2035	# if anything goes wrong in here, we should simply crash as we already saved
1438		2036
…		…
1522	$LINK_MAP->height (41);	2120	$LINK_MAP->height (41);
1523	$LINK_MAP->alloc;	2121	$LINK_MAP->alloc;
1524	$LINK_MAP->path ("{link}");	2122	$LINK_MAP->path ("{link}");
1525	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";	2123	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1526	$LINK_MAP->in_memory (MAP_IN_MEMORY);	2124	$LINK_MAP->in_memory (MAP_IN_MEMORY);
		2125
		2126	# dirty hack because... archetypes are not yet loaded
		2127	Event->timer (
		2128	after => 2,
		2129	cb => sub {
		2130	$_[0]->w->cancel;
		2131
		2132	# provide some exits "home"
		2133	my $exit = cf::object::new "exit";
		2134
		2135	$exit->slaying ($EMERGENCY_POSITION->[0]);
		2136	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
		2137	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
		2138
		2139	$LINK_MAP->insert ($exit->clone, 19, 19);
		2140	$LINK_MAP->insert ($exit->clone, 19, 20);
		2141	$LINK_MAP->insert ($exit->clone, 19, 21);
		2142	$LINK_MAP->insert ($exit->clone, 20, 19);
		2143	$LINK_MAP->insert ($exit->clone, 20, 21);
		2144	$LINK_MAP->insert ($exit->clone, 21, 19);
		2145	$LINK_MAP->insert ($exit->clone, 21, 20);
		2146	$LINK_MAP->insert ($exit->clone, 21, 21);
		2147
		2148	$exit->destroy;
		2149	});
		2150
		2151	$LINK_MAP->{deny_save} = 1;
		2152	$LINK_MAP->{deny_reset} = 1;
		2153
		2154	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1527	}	2155	}
1528		2156
1529	register "<global>", __PACKAGE__;	2157	register "<global>", __PACKAGE__;
1530		2158
1531	register_command "perl-reload" => sub {	2159	register_command "reload" => sub {
1532	my ($who, $arg) = @_;	2160	my ($who, $arg) = @_;
1533		2161
1534	if ($who->flag (FLAG_WIZ)) {	2162	if ($who->flag (FLAG_WIZ)) {
1535	$who->message ("start of reload.");	2163	$who->message ("start of reload.");
1536	perl_reload;	2164	reload;
1537	$who->message ("end of reload.");	2165	$who->message ("end of reload.");
1538	}	2166	}
1539	};	2167	};
1540		2168
1541	unshift @INC, $LIBDIR;	2169	unshift @INC, $LIBDIR;
…		…
1544	reentrant => 0,	2172	reentrant => 0,
1545	prio => 0,	2173	prio => 0,
1546	at => $NEXT_TICK \|\| $TICK,	2174	at => $NEXT_TICK \|\| $TICK,
1547	data => WF_AUTOCANCEL,	2175	data => WF_AUTOCANCEL,
1548	cb => sub {	2176	cb => sub {
1549	unless ($FREEZE) {
1550	cf::server_tick; # one server iteration	2177	cf::server_tick; # one server iteration
1551	$RUNTIME += $TICK;	2178	$RUNTIME += $TICK;
1552	}
1553
1554	$NEXT_TICK += $TICK;	2179	$NEXT_TICK += $TICK;
1555		2180
1556	# if we are delayed by four ticks or more, skip them all	2181	# if we are delayed by four ticks or more, skip them all
1557	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2182	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1558		2183
…		…
1581	or warn "ERROR: unable to write runtime file: $!";	2206	or warn "ERROR: unable to write runtime file: $!";
1582	})->();	2207	})->();
1583	},	2208	},
1584	);	2209	);
1585		2210
		2211	END { cf::emergency_save }
		2212
1586	1	2213	1
1587		2214

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.108 by root, Sun Dec 31 21:02:05 2006 UTC vs. Revision 1.135 by root, Thu Jan 4 20:29:46 2007 UTC

Diff Legend

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.108 by root, Sun Dec 31 21:02:05 2006 UTC vs.
Revision 1.135 by root, Thu Jan 4 20:29:46 2007 UTC