[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 1.138 by root, Fri Jan 5 17:07:17 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	sub freeze_mainloop {
		227	return unless $TICK_WATCHER->is_active;
		228
		229	my $guard = Coro::guard { $TICK_WATCHER->start };
		230	$TICK_WATCHER->stop;
		231	$guard
		232	}
		233
184	=item cf::sync_job { BLOCK }	234	=item cf::sync_job { BLOCK }
185		235
186	The design of crossfire+ requires that the main coro ($Coro::main) is	236	The design of crossfire+ requires that the main coro ($Coro::main) is
187	always able to handle events or runnable, as crossfire+ is only partly	237	always able to handle events or runnable, as crossfire+ is only partly
188	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	238	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.
…		…
195	=cut	245	=cut
196		246
197	sub sync_job(&) {	247	sub sync_job(&) {
198	my ($job) = @_;	248	my ($job) = @_;
199		249
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 == $Coro::main) {	250	if ($Coro::current == $Coro::main) {
		251	# this is the main coro, too bad, we have to block
		252	# till the operation succeeds, freezing the server :/
		253
		254	# TODO: use suspend/resume instead
		255	# (but this is cancel-safe)
		256	my $freeze_guard = freeze_mainloop;
		257
		258	my $busy = 1;
		259	my @res;
		260
		261	(Coro::async_pool {
		262	@res = eval { $job->() };
		263	warn $@ if $@;
		264	undef $busy;
213	$coro->prio (Coro::PRIO_MAX);	265	})->prio (Coro::PRIO_MAX);
		266
214	while ($busy) {	267	while ($busy) {
215	Coro::cede_notself;	268	Coro::cede_notself;
216	Event::one_event unless Coro::nready;	269	Event::one_event unless Coro::nready;
217	}	270	}
		271
		272	wantarray ? @res : $res[0]
218	} else {	273	} else {
219	$coro->join;	274	# we are in another coroutine, how wonderful, everything just works
		275
		276	$job->()
220	}	277	}
221
222	wantarray ? @res : $res[0]
223	}	278	}
224		279
225	=item $coro = cf::coro { BLOCK }	280	=item $coro = cf::coro { BLOCK }
226		281
227	Creates and returns a new coro. This coro is automcatially being canceled	282	Creates (and readies) and returns a new coro. This coro is automcatially
228	when the extension calling this is being unloaded.	283	being canceled when the extension calling this is being unloaded.
229		284
230	=cut	285	=cut
231		286
232	sub coro(&) {	287	sub coro(&) {
233	my $cb = shift;	288	my $cb = shift;
234		289
235	my $coro; $coro = async {	290	my $coro = &Coro::async_pool ($cb);
236	eval {
237	$cb->();
238	};
239	warn $@ if $@;
240	};
241		291
242	$coro->on_destroy (sub {	292	$coro->on_destroy (sub {
243	delete $EXT_CORO{$coro+0};	293	delete $EXT_CORO{$coro+0};
244	});	294	});
245	$EXT_CORO{$coro+0} = $coro;	295	$EXT_CORO{$coro+0} = $coro;
…		…
251	my $runtime = cf::localdir . "/runtime";	301	my $runtime = cf::localdir . "/runtime";
252		302
253	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644	303	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644
254	or return;	304	or return;
255		305
256	my $value = $cf::RUNTIME;	306	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	307	(aio_write $fh, 0, (length $value), $value, 0) <= 0
258	and return;	308	and return;
259		309
260	aio_fsync $fh	310	aio_fsync $fh
261	and return;	311	and return;
…		…
278	package cf::path;	328	package cf::path;
279		329
280	sub new {	330	sub new {
281	my ($class, $path, $base) = @_;	331	my ($class, $path, $base) = @_;
282		332
		333	$path = $path->as_string if ref $path;
		334
283	my $self = bless { }, $class;	335	my $self = bless { }, $class;
284		336
		337	# {... are special paths that are not touched
		338	# ?xxx/... are special absolute paths
		339	# ?random/... random maps
		340	# /! non-realised random map exit
		341	# /... normal maps
		342	# ~/... per-player maps without a specific player (DO NOT USE)
		343	# ~user/... per-player map of a specific user
		344
		345	if ($path =~ /^{/) {
		346	# fine as it is
285	if ($path =~ s{^\?random/}{}) {	347	} elsif ($path =~ s{^\?random/}{}) {
		348	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
286	$self->{random} = cf::from_json $path;	349	$self->{random} = cf::from_json $data;
287	} else {	350	} else {
288	if ($path =~ s{^~([^/]+)?}{}) {	351	if ($path =~ s{^~([^/]+)?}{}) {
289	$self->{user_rel} = 1;	352	$self->{user_rel} = 1;
290		353
291	if (defined $1) {	354	if (defined $1) {
…		…
324		387
325	# the displayed name, this is a one way mapping	388	# the displayed name, this is a one way mapping
326	sub visible_name {	389	sub visible_name {
327	my ($self) = @_;	390	my ($self) = @_;
328		391
329	$self->{random} ? "?random/$self->{random}{origin_map}+$self->{random}{origin_x}+$self->{random}{origin_y}/$self->{random}{dungeon_level}"	392	# if (my $rmp = $self->{random}) {
330	: $self->as_string	393	# # todo: be more intelligent about this
		394	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
		395	# } else {
		396	$self->as_string
		397	# }
331	}	398	}
332		399
333	# escape the /'s in the path	400	# escape the /'s in the path
334	sub _escaped_path {	401	sub _escaped_path {
335	# ∕ is U+2215	402	# ∕ is U+2215
…		…
347	# the temporary/swap location	414	# the temporary/swap location
348	sub save_path {	415	sub save_path {
349	my ($self) = @_;	416	my ($self) = @_;
350		417
351	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path	418	$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}	419	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
353	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path	420	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
354	}	421	}
355		422
356	# the unique path, might be eq to save_path	423	# the unique path, might be eq to save_path
357	sub uniq_path {	424	sub uniq_path {
…		…
790	or return;	857	or return;
791		858
792	unless (aio_stat "$filename.pst") {	859	unless (aio_stat "$filename.pst") {
793	(aio_load "$filename.pst", $av) >= 0	860	(aio_load "$filename.pst", $av) >= 0
794	or return;	861	or return;
795	$av = eval { (Storable::thaw <$av>)->{objs} };	862	$av = eval { (Storable::thaw $av)->{objs} };
796	}	863	}
797		864
		865	warn sprintf "loading %s (%d)\n",
		866	$filename, length $data, scalar @{$av \|\| []};#d#
798	return ($data, $av);	867	return ($data, $av);
799	}	868	}
800		869
801	#############################################################################	870	#############################################################################
802	# command handling &c	871	# command handling &c
…		…
1024	$self->send ("ext " . to_json \%msg);	1093	$self->send ("ext " . to_json \%msg);
1025	}	1094	}
1026		1095
1027	=back	1096	=back
1028		1097
		1098
		1099	=head3 cf::map
		1100
		1101	=over 4
		1102
		1103	=cut
		1104
		1105	package cf::map;
		1106
		1107	use Fcntl;
		1108	use Coro::AIO;
		1109
		1110	our $MAX_RESET = 3600;
		1111	our $DEFAULT_RESET = 3000;
		1112
		1113	sub generate_random_map {
		1114	my ($path, $rmp) = @_;
		1115
		1116	# mit "rum" bekleckern, nicht
		1117	cf::map::_create_random_map
		1118	$path,
		1119	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
		1120	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
		1121	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
		1122	$rmp->{exit_on_final_map},
		1123	$rmp->{xsize}, $rmp->{ysize},
		1124	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
		1125	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
		1126	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
		1127	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
		1128	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
		1129	(cf::region::find $rmp->{region})
		1130	}
		1131
		1132	# and all this just because we cannot iterate over
		1133	# all maps in C++...
		1134	sub change_all_map_light {
		1135	my ($change) = @_;
		1136
		1137	$_->change_map_light ($change)
		1138	for grep $_->outdoor, values %cf::MAP;
		1139	}
		1140
		1141	sub try_load_header($) {
		1142	my ($path) = @_;
		1143
		1144	utf8::encode $path;
		1145	aio_open $path, O_RDONLY, 0
		1146	or return;
		1147
		1148	my $map = cf::map::new
		1149	or return;
		1150
		1151	# for better error messages only, will be overwritten
		1152	$map->path ($path);
		1153
		1154	$map->load_header ($path)
		1155	or return;
		1156
		1157	$map->{load_path} = $path;
		1158
		1159	$map
		1160	}
		1161
		1162	sub find;
		1163	sub find {
		1164	my ($path, $origin) = @_;
		1165
		1166	#warn "find<$path,$origin>\n";#d#
		1167
		1168	$path = new cf::path $path, $origin && $origin->path;
		1169	my $key = $path->as_string;
		1170
		1171	cf::lock_wait "map_find:$key";
		1172
		1173	$cf::MAP{$key} \|\| do {
		1174	my $guard = cf::lock_acquire "map_find:$key";
		1175
		1176	# do it the slow way
		1177	my $map = try_load_header $path->save_path;
		1178
		1179	Coro::cede;
		1180
		1181	if ($map) {
		1182	$map->last_access ((delete $map->{last_access})
		1183	\|\| $cf::RUNTIME); #d#
		1184	# safety
		1185	$map->{instantiate_time} = $cf::RUNTIME
		1186	if $map->{instantiate_time} > $cf::RUNTIME;
		1187	} else {
		1188	if (my $rmp = $path->random_map_params) {
		1189	$map = generate_random_map $key, $rmp;
		1190	} else {
		1191	$map = try_load_header $path->load_path;
		1192	}
		1193
		1194	$map or return;
		1195
		1196	$map->{load_original} = 1;
		1197	$map->{instantiate_time} = $cf::RUNTIME;
		1198	$map->last_access ($cf::RUNTIME);
		1199	$map->instantiate;
		1200
		1201	# per-player maps become, after loading, normal maps
		1202	$map->per_player (0) if $path->{user_rel};
		1203	}
		1204
		1205	$map->path ($key);
		1206	$map->{path} = $path;
		1207	$map->{last_save} = $cf::RUNTIME;
		1208
		1209	Coro::cede;
		1210
		1211	if ($map->should_reset) {
		1212	$map->reset;
		1213	undef $guard;
		1214	$map = find $path
		1215	or return;
		1216	}
		1217
		1218	$cf::MAP{$key} = $map
		1219	}
		1220	}
		1221
		1222	sub load {
		1223	my ($self) = @_;
		1224
		1225	my $path = $self->{path};
		1226	my $guard = cf::lock_acquire "map_load:" . $path->as_string;
		1227
		1228	return if $self->in_memory != cf::MAP_SWAPPED;
		1229
		1230	$self->in_memory (cf::MAP_LOADING);
		1231
		1232	$self->alloc;
		1233	$self->load_objects ($self->{load_path}, 1)
		1234	or return;
		1235
		1236	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1237	if delete $self->{load_original};
		1238
		1239	if (my $uniq = $path->uniq_path) {
		1240	utf8::encode $uniq;
		1241	if (aio_open $uniq, O_RDONLY, 0) {
		1242	$self->clear_unique_items;
		1243	$self->load_objects ($uniq, 0);
		1244	}
		1245	}
		1246
		1247	Coro::cede;
		1248
		1249	# now do the right thing for maps
		1250	$self->link_multipart_objects;
		1251
		1252	if ($self->{path}->is_style_map) {
		1253	$self->{deny_save} = 1;
		1254	$self->{deny_reset} = 1;
		1255	} else {
		1256	$self->fix_auto_apply;
		1257	$self->decay_objects;
		1258	$self->update_buttons;
		1259	$self->set_darkness_map;
		1260	$self->difficulty ($self->estimate_difficulty)
		1261	unless $self->difficulty;
		1262	$self->activate;
		1263	}
		1264
		1265	Coro::cede;
		1266
		1267	$self->in_memory (cf::MAP_IN_MEMORY);
		1268	}
		1269
		1270	sub find_sync {
		1271	my ($path, $origin) = @_;
		1272
		1273	cf::sync_job { cf::map::find $path, $origin }
		1274	}
		1275
		1276	sub do_load_sync {
		1277	my ($map) = @_;
		1278
		1279	cf::sync_job { $map->load };
		1280	}
		1281
		1282	sub save {
		1283	my ($self) = @_;
		1284
		1285	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1286
		1287	$self->{last_save} = $cf::RUNTIME;
		1288
		1289	return unless $self->dirty;
		1290
		1291	my $save = $self->{path}->save_path; utf8::encode $save;
		1292	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
		1293
		1294	$self->{load_path} = $save;
		1295
		1296	return if $self->{deny_save};
		1297
		1298	local $self->{last_access} = $self->last_access;#d#
		1299
		1300	if ($uniq) {
		1301	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);
		1302	$self->save_objects ($uniq, cf::IO_UNIQUES);
		1303	} else {
		1304	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS \| cf::IO_UNIQUES);
		1305	}
		1306	}
		1307
		1308	sub swap_out {
		1309	my ($self) = @_;
		1310
		1311	# save first because save cedes
		1312	$self->save;
		1313
		1314	my $lock = cf::lock_acquire "map_data:" . $self->path;
		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->clear;
		1321	$self->in_memory (cf::MAP_SWAPPED);
		1322	}
		1323
		1324	sub reset_at {
		1325	my ($self) = @_;
		1326
		1327	# TODO: safety, remove and allow resettable per-player maps
		1328	return 1e99 if $self->{path}{user_rel};
		1329	return 1e99 if $self->{deny_reset};
		1330
		1331	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1332	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;
		1333
		1334	$time + $to
		1335	}
		1336
		1337	sub should_reset {
		1338	my ($self) = @_;
		1339
		1340	$self->reset_at <= $cf::RUNTIME
		1341	}
		1342
		1343	sub unlink_save {
		1344	my ($self) = @_;
		1345
		1346	utf8::encode (my $save = $self->{path}->save_path);
		1347	aioreq_pri 3; IO::AIO::aio_unlink $save;
		1348	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
		1349	}
		1350
		1351	sub rename {
		1352	my ($self, $new_path) = @_;
		1353
		1354	$self->unlink_save;
		1355
		1356	delete $cf::MAP{$self->path};
		1357	$self->{path} = new cf::path $new_path;
		1358	$self->path ($self->{path}->as_string);
		1359	$cf::MAP{$self->path} = $self;
		1360
		1361	$self->save;
		1362	}
		1363
		1364	sub reset {
		1365	my ($self) = @_;
		1366
		1367	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1368
		1369	return if $self->players;
		1370	return if $self->{path}{user_rel};#d#
		1371
		1372	warn "resetting map ", $self->path;#d#
		1373
		1374	delete $cf::MAP{$self->path};
		1375
		1376	$_->clear_links_to ($self) for values %cf::MAP;
		1377
		1378	$self->unlink_save;
		1379	$self->destroy;
		1380	}
		1381
		1382	my $nuke_counter = "aaaa";
		1383
		1384	sub nuke {
		1385	my ($self) = @_;
		1386
		1387	$self->{deny_save} = 1;
		1388	$self->reset_timeout (1);
		1389	$self->rename ("{nuke}/" . ($nuke_counter++));
		1390	$self->reset; # polite request, might not happen
		1391	}
		1392
		1393	sub customise_for {
		1394	my ($map, $ob) = @_;
		1395
		1396	if ($map->per_player) {
		1397	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
		1398	}
		1399
		1400	$map
		1401	}
		1402
		1403	sub emergency_save {
		1404	my $freeze_guard = cf::freeze_mainloop;
		1405
		1406	warn "enter emergency map save\n";
		1407
		1408	cf::sync_job {
		1409	warn "begin emergency map save\n";
		1410	$_->save for values %cf::MAP;
		1411	};
		1412
		1413	warn "end emergency map save\n";
		1414	}
		1415
		1416	package cf;
		1417
		1418	=back
		1419
		1420
1029	=head3 cf::object::player	1421	=head3 cf::object::player
1030		1422
1031	=over 4	1423	=over 4
1032		1424
1033	=item $player_object->reply ($npc, $msg[, $flags])	1425	=item $player_object->reply ($npc, $msg[, $flags])
…		…
1068	(ref $cf::CFG{"may_$access"}	1460	(ref $cf::CFG{"may_$access"}
1069	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1461	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1070	: $cf::CFG{"may_$access"})	1462	: $cf::CFG{"may_$access"})
1071	}	1463	}
1072		1464
		1465	=item $player_object->enter_link
		1466
		1467	Freezes the player and moves him/her to a special map (C<{link}>).
		1468
		1469	The player should be reaosnably safe there for short amounts of time. You
		1470	I<MUST> call C<leave_link> as soon as possible, though.
		1471
		1472	=item $player_object->leave_link ($map, $x, $y)
		1473
		1474	Moves the player out of the specila link map onto the given map. If the
		1475	map is not valid (or omitted), the player will be moved back to the
		1476	location he/she was before the call to C<enter_link>, or, if that fails,
		1477	to the emergency map position.
		1478
		1479	Might block.
		1480
		1481	=cut
		1482
		1483	sub cf::object::player::enter_link {
		1484	my ($self) = @_;
		1485
		1486	$self->deactivate_recursive;
		1487
		1488	return if $self->map == $LINK_MAP;
		1489
		1490	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]
		1491	if $self->map;
		1492
		1493	$self->enter_map ($LINK_MAP, 20, 20);
		1494	}
		1495
		1496	sub cf::object::player::leave_link {
		1497	my ($self, $map, $x, $y) = @_;
		1498
		1499	my $link_pos = delete $self->{_link_pos};
		1500
		1501	unless ($map) {
		1502	# restore original map position
		1503	($map, $x, $y) = @{ $link_pos \|\| [] };
		1504	$map = cf::map::find $map;
		1505
		1506	unless ($map) {
		1507	($map, $x, $y) = @$EMERGENCY_POSITION;
		1508	$map = cf::map::find $map
		1509	or die "FATAL: cannot load emergency map\n";
		1510	}
		1511	}
		1512
		1513	($x, $y) = (-1, -1)
		1514	unless (defined $x) && (defined $y);
		1515
		1516	# use -1 or undef as default coordinates, not 0, 0
		1517	($x, $y) = ($map->enter_x, $map->enter_y)
		1518	if $x <=0 && $y <= 0;
		1519
		1520	$map->load;
		1521
		1522	$self->activate_recursive;
		1523	$self->enter_map ($map, $x, $y);
		1524	}
		1525
		1526	cf::player->attach (
		1527	on_logout => sub {
		1528	my ($pl) = @_;
		1529
		1530	# abort map switching before logout
		1531	if ($pl->ob->{_link_pos}) {
		1532	cf::sync_job {
		1533	$pl->ob->leave_link
		1534	};
		1535	}
		1536	},
		1537	on_login => sub {
		1538	my ($pl) = @_;
		1539
		1540	# try to abort aborted map switching on player login :)
		1541	# should happen only on crashes
		1542	if ($pl->ob->{_link_pos}) {
		1543	$pl->ob->enter_link;
		1544	Coro::async_pool {
		1545	# we need this sleep as the login has a concurrent enter_exit running
		1546	# and this sleep increases chances of the player not ending up in scorn
		1547	Coro::Timer::sleep 1;
		1548	$pl->ob->leave_link;
		1549	};
		1550	}
		1551	},
		1552	);
		1553
		1554	=item $player_object->goto ($path, $x, $y)
		1555
		1556	=cut
		1557
		1558	sub cf::object::player::goto {
		1559	my ($self, $path, $x, $y) = @_;
		1560
		1561	$self->enter_link;
		1562
		1563	(Coro::async_pool {
		1564	$path = new cf::path $path;
		1565
		1566	my $map = cf::map::find $path->as_string;
		1567	$map = $map->customise_for ($self) if $map;
		1568
		1569	# warn "entering ", $map->path, " at ($x, $y)\n"
		1570	# if $map;
		1571
		1572	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
		1573
		1574	$self->leave_link ($map, $x, $y);
		1575	})->prio (1);
		1576	}
		1577
		1578	=item $player_object->enter_exit ($exit_object)
		1579
		1580	=cut
		1581
		1582	sub parse_random_map_params {
		1583	my ($spec) = @_;
		1584
		1585	my $rmp = { # defaults
		1586	xsize => 10,
		1587	ysize => 10,
		1588	};
		1589
		1590	for (split /\n/, $spec) {
		1591	my ($k, $v) = split /\s+/, $_, 2;
		1592
		1593	$rmp->{lc $k} = $v if (length $k) && (length $v);
		1594	}
		1595
		1596	$rmp
		1597	}
		1598
		1599	sub prepare_random_map {
		1600	my ($exit) = @_;
		1601
		1602	# all this does is basically replace the /! path by
		1603	# a new random map path (?random/...) with a seed
		1604	# that depends on the exit object
		1605
		1606	my $rmp = parse_random_map_params $exit->msg;
		1607
		1608	if ($exit->map) {
		1609	$rmp->{region} = $exit->map->region_name;
		1610	$rmp->{origin_map} = $exit->map->path;
		1611	$rmp->{origin_x} = $exit->x;
		1612	$rmp->{origin_y} = $exit->y;
		1613	}
		1614
		1615	$rmp->{random_seed} \|\|= $exit->random_seed;
		1616
		1617	my $data = cf::to_json $rmp;
		1618	my $md5 = Digest::MD5::md5_hex $data;
		1619
		1620	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY \| O_CREAT, 0666) {
		1621	aio_write $fh, 0, (length $data), $data, 0;
		1622
		1623	$exit->slaying ("?random/$md5");
		1624	$exit->msg (undef);
		1625	}
		1626	}
		1627
		1628	sub cf::object::player::enter_exit {
		1629	my ($self, $exit) = @_;
		1630
		1631	return unless $self->type == cf::PLAYER;
		1632
		1633	$self->enter_link;
		1634
		1635	(Coro::async_pool {
		1636	$self->deactivate_recursive; # just to be sure
		1637	unless (eval {
		1638	prepare_random_map $exit
		1639	if $exit->slaying eq "/!";
		1640
		1641	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
		1642	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
		1643
		1644	1;
		1645	}) {
		1646	$self->message ("Something went wrong deep within the crossfire server. "
		1647	. "I'll try to bring you back to the map you were before. "
		1648	. "Please report this to the dungeon master",
		1649	cf::NDI_UNIQUE \| cf::NDI_RED);
		1650
		1651	warn "ERROR in enter_exit: $@";
		1652	$self->leave_link;
		1653	}
		1654	})->prio (1);
		1655	}
		1656
1073	=head3 cf::client	1657	=head3 cf::client
1074		1658
1075	=over 4	1659	=over 4
1076		1660
1077	=item $client->send_drawinfo ($text, $flags)	1661	=item $client->send_drawinfo ($text, $flags)
…		…
1120	on_reply => sub {	1704	on_reply => sub {
1121	my ($ns, $msg) = @_;	1705	my ($ns, $msg) = @_;
1122		1706
1123	# this weird shuffling is so that direct followup queries	1707	# this weird shuffling is so that direct followup queries
1124	# get handled first	1708	# get handled first
1125	my $queue = delete $ns->{query_queue};	1709	my $queue = delete $ns->{query_queue}
		1710	or return; # be conservative, not sure how that can happen, but we saw a crash here
1126		1711
1127	(shift @$queue)->[1]->($msg);	1712	(shift @$queue)->[1]->($msg);
1128		1713
1129	push @{ $ns->{query_queue} }, @$queue;	1714	push @{ $ns->{query_queue} }, @$queue;
1130		1715
…		…
1147	=cut	1732	=cut
1148		1733
1149	sub cf::client::coro {	1734	sub cf::client::coro {
1150	my ($self, $cb) = @_;	1735	my ($self, $cb) = @_;
1151		1736
1152	my $coro; $coro = async {	1737	my $coro = &Coro::async_pool ($cb);
1153	eval {
1154	$cb->();
1155	};
1156	warn $@ if $@;
1157	};
1158		1738
1159	$coro->on_destroy (sub {	1739	$coro->on_destroy (sub {
1160	delete $self->{_coro}{$coro+0};	1740	delete $self->{_coro}{$coro+0};
1161	});	1741	});
1162		1742
…		…
1334		1914
1335	{	1915	{
1336	my $path = cf::localdir . "/database.pst";	1916	my $path = cf::localdir . "/database.pst";
1337		1917
1338	sub db_load() {	1918	sub db_load() {
1339	warn "loading database $path\n";#d# remove later
1340	$DB = stat $path ? Storable::retrieve $path : { };	1919	$DB = stat $path ? Storable::retrieve $path : { };
1341	}	1920	}
1342		1921
1343	my $pid;	1922	my $pid;
1344		1923
1345	sub db_save() {	1924	sub db_save() {
1346	warn "saving database $path\n";#d# remove later
1347	waitpid $pid, 0 if $pid;	1925	waitpid $pid, 0 if $pid;
1348	if (0 == ($pid = fork)) {	1926	if (0 == ($pid = fork)) {
1349	$DB->{_meta}{version} = 1;	1927	$DB->{_meta}{version} = 1;
1350	Storable::nstore $DB, "$path~";	1928	Storable::nstore $DB, "$path~";
1351	rename "$path~", $path;	1929	rename "$path~", $path;
…		…
1399	open my $fh, "<:utf8", cf::confdir . "/config"	1977	open my $fh, "<:utf8", cf::confdir . "/config"
1400	or return;	1978	or return;
1401		1979
1402	local $/;	1980	local $/;
1403	*CFG = YAML::Syck::Load <$fh>;	1981	*CFG = YAML::Syck::Load <$fh>;
		1982
		1983	$EMERGENCY_POSITION = $CFG{emergency_position} \|\| ["/world/world_105_115", 5, 37];
		1984
		1985	if (exists $CFG{mlockall}) {
		1986	eval {
		1987	$CFG{mlockall} ? &mlockall : &munlockall
		1988	and die "WARNING: m(un)lockall failed: $!\n";
		1989	};
		1990	warn $@ if $@;
		1991	}
1404	}	1992	}
1405		1993
1406	sub main {	1994	sub main {
1407	# we must not ever block the main coroutine	1995	# we must not ever block the main coroutine
1408	local $Coro::idle = sub {	1996	local $Coro::idle = sub {
1409	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	1997	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1410	(Coro::unblock_sub {	1998	(Coro::unblock_sub {
1411	Event::one_event;	1999	Event::one_event;
1412	})->();	2000	})->();
1413	};	2001	};
1414		2002
…		…
1419	}	2007	}
1420		2008
1421	#############################################################################	2009	#############################################################################
1422	# initialisation	2010	# initialisation
1423		2011
1424	sub perl_reload() {	2012	sub reload() {
1425	# can/must only be called in main	2013	# can/must only be called in main
1426	if ($Coro::current != $Coro::main) {	2014	if ($Coro::current != $Coro::main) {
1427	warn "can only reload from main coroutine\n";	2015	warn "can only reload from main coroutine\n";
1428	return;	2016	return;
1429	}	2017	}
1430		2018
1431	warn "reloading...";	2019	warn "reloading...";
1432		2020
1433	local $FREEZE = 1;	2021	my $guard = freeze_mainloop;
1434	cf::emergency_save;	2022	cf::emergency_save;
1435		2023
1436	eval {	2024	eval {
1437	# if anything goes wrong in here, we should simply crash as we already saved	2025	# if anything goes wrong in here, we should simply crash as we already saved
1438		2026
…		…
1522	$LINK_MAP->height (41);	2110	$LINK_MAP->height (41);
1523	$LINK_MAP->alloc;	2111	$LINK_MAP->alloc;
1524	$LINK_MAP->path ("{link}");	2112	$LINK_MAP->path ("{link}");
1525	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";	2113	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1526	$LINK_MAP->in_memory (MAP_IN_MEMORY);	2114	$LINK_MAP->in_memory (MAP_IN_MEMORY);
		2115
		2116	# dirty hack because... archetypes are not yet loaded
		2117	Event->timer (
		2118	after => 2,
		2119	cb => sub {
		2120	$_[0]->w->cancel;
		2121
		2122	# provide some exits "home"
		2123	my $exit = cf::object::new "exit";
		2124
		2125	$exit->slaying ($EMERGENCY_POSITION->[0]);
		2126	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
		2127	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
		2128
		2129	$LINK_MAP->insert ($exit->clone, 19, 19);
		2130	$LINK_MAP->insert ($exit->clone, 19, 20);
		2131	$LINK_MAP->insert ($exit->clone, 19, 21);
		2132	$LINK_MAP->insert ($exit->clone, 20, 19);
		2133	$LINK_MAP->insert ($exit->clone, 20, 21);
		2134	$LINK_MAP->insert ($exit->clone, 21, 19);
		2135	$LINK_MAP->insert ($exit->clone, 21, 20);
		2136	$LINK_MAP->insert ($exit->clone, 21, 21);
		2137
		2138	$exit->destroy;
		2139	});
		2140
		2141	$LINK_MAP->{deny_save} = 1;
		2142	$LINK_MAP->{deny_reset} = 1;
		2143
		2144	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1527	}	2145	}
1528		2146
1529	register "<global>", __PACKAGE__;	2147	register "<global>", __PACKAGE__;
1530		2148
1531	register_command "perl-reload" => sub {	2149	register_command "reload" => sub {
1532	my ($who, $arg) = @_;	2150	my ($who, $arg) = @_;
1533		2151
1534	if ($who->flag (FLAG_WIZ)) {	2152	if ($who->flag (FLAG_WIZ)) {
1535	$who->message ("start of reload.");	2153	$who->message ("start of reload.");
1536	perl_reload;	2154	reload;
1537	$who->message ("end of reload.");	2155	$who->message ("end of reload.");
1538	}	2156	}
1539	};	2157	};
1540		2158
1541	unshift @INC, $LIBDIR;	2159	unshift @INC, $LIBDIR;
…		…
1544	reentrant => 0,	2162	reentrant => 0,
1545	prio => 0,	2163	prio => 0,
1546	at => $NEXT_TICK \|\| $TICK,	2164	at => $NEXT_TICK \|\| $TICK,
1547	data => WF_AUTOCANCEL,	2165	data => WF_AUTOCANCEL,
1548	cb => sub {	2166	cb => sub {
1549	unless ($FREEZE) {
1550	cf::server_tick; # one server iteration	2167	cf::server_tick; # one server iteration
1551	$RUNTIME += $TICK;	2168	$RUNTIME += $TICK;
1552	}
1553
1554	$NEXT_TICK += $TICK;	2169	$NEXT_TICK += $TICK;
1555		2170
1556	# if we are delayed by four ticks or more, skip them all	2171	# if we are delayed by four ticks or more, skip them all
1557	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2172	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1558		2173
…		…
1581	or warn "ERROR: unable to write runtime file: $!";	2196	or warn "ERROR: unable to write runtime file: $!";
1582	})->();	2197	})->();
1583	},	2198	},
1584	);	2199	);
1585		2200
		2201	END { cf::emergency_save }
		2202
1586	1	2203	1
1587		2204

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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 1.138 by root, Fri Jan 5 17:07:17 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 1.138 by root, Fri Jan 5 17:07:17 2007 UTC