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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.106 by root, Sun Dec 31 17:29:22 2006 UTC vs.
Revision 1.132 by root, Thu Jan 4 01:35:56 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3;	13	use Coro 3.3 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use Digest::MD5;
20	use 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	our $EMERGENCY_POSITION;
71		77
72	#############################################################################	78	#############################################################################
73		79
74	=head2 GLOBAL VARIABLES	80	=head2 GLOBAL VARIABLES
75		81
…		…
174	sub to_json($) {	180	sub to_json($) {
175	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
176	JSON::Syck::Dump $_[0]	182	JSON::Syck::Dump $_[0]
177	}	183	}
178		184
		185	=item my $guard = cf::guard { BLOCK }
		186
		187	Run the given callback when the guard object gets destroyed (useful for
		188	coroutine cancellations).
		189
		190	You can call C<< ->cancel >> on the guard object to stop the block from
		191	being executed.
		192
		193	=cut
		194
		195	sub guard(&) {
		196	bless \(my $cb = $_[0]), cf::guard::;
		197	}
		198
		199	sub cf::guard::cancel {
		200	${$_[0]} = sub { };
		201	}
		202
		203	sub cf::guard::DESTROY {
		204	${$_[0]}->();
		205	}
		206
		207	=item cf::lock_wait $string
		208
		209	Wait until the given lock is available. See cf::lock_acquire.
		210
		211	=item my $lock = cf::lock_acquire $string
		212
		213	Wait until the given lock is available and then acquires it and returns
		214	a guard object. If the guard object gets destroyed (goes out of scope,
		215	for example when the coroutine gets canceled), the lock is automatically
		216	returned.
		217
		218	Lock names should begin with a unique identifier (for example, find_map
		219	uses map_find and load_map uses map_load).
		220
		221	=cut
		222
		223	our %LOCK;
		224
		225	sub lock_wait($) {
		226	my ($key) = @_;
		227
		228	# wait for lock, if any
		229	while ($LOCK{$key}) {
		230	push @{ $LOCK{$key} }, $Coro::current;
		231	Coro::schedule;
		232	}
		233	}
		234
		235	sub lock_acquire($) {
		236	my ($key) = @_;
		237
		238	# wait, to be sure we are not locked
		239	lock_wait $key;
		240
		241	$LOCK{$key} = [];
		242
		243	cf::guard {
		244	# wake up all waiters, to be on the safe side
		245	$_->ready for @{ delete $LOCK{$key} };
		246	}
		247	}
		248
		249	=item cf::async { BLOCK }
		250
		251	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
		252	error instead of exiting the server in case of a problem.
		253
		254	=cut
		255
		256	sub async(&) {
		257	my ($cb) = @_;
		258
		259	Coro::async {
		260	eval { $cb->() };
		261	warn $@ if $@;
		262	}
		263	}
		264
179	=item cf::sync_job { BLOCK }	265	=item cf::sync_job { BLOCK }
180		266
181	The design of crossfire+ requires that the main coro ($Coro::main) is	267	The design of crossfire+ requires that the main coro ($Coro::main) is
182	always able to handle events or runnable, as crossfire+ is only partly	268	always able to handle events or runnable, as crossfire+ is only partly
183	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	269	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.
…		…
190	=cut	276	=cut
191		277
192	sub sync_job(&) {	278	sub sync_job(&) {
193	my ($job) = @_;	279	my ($job) = @_;
194		280
195	my $busy = 1;
196	my @res;
197
198	# TODO: use suspend/resume instead
199	local $FREEZE = 1;
200
201	my $coro = Coro::async {
202	@res = eval { $job->() };
203	warn $@ if $@;
204	undef $busy;
205	};
206
207	if ($Coro::current == $Coro::main) {	281	if ($Coro::current == $Coro::main) {
		282	# this is the main coro, too bad, we have to block
		283	# till the operation succeeds, freezing the server :/
		284
		285	# TODO: use suspend/resume instead
		286	# (but this is cancel-safe)
		287	local $FREEZE = 1;
		288
		289	my $busy = 1;
		290	my @res;
		291
		292	(Coro::async {
		293	@res = eval { $job->() };
		294	warn $@ if $@;
		295	undef $busy;
208	$coro->prio (Coro::PRIO_MAX);	296	})->prio (Coro::PRIO_MAX);
		297
209	while ($busy) {	298	while ($busy) {
210	Coro::cede_notself;	299	Coro::cede_notself;
211	Event::one_event unless Coro::nready;	300	Event::one_event unless Coro::nready;
212	}	301	}
		302
		303	wantarray ? @res : $res[0]
213	} else {	304	} else {
214	$coro->join;	305	# we are in another coroutine, how wonderful, everything just works
		306
		307	$job->()
215	}	308	}
216
217	wantarray ? @res : $res[0]
218	}	309	}
219		310
220	=item $coro = cf::coro { BLOCK }	311	=item $coro = cf::coro { BLOCK }
221		312
222	Creates and returns a new coro. This coro is automcatially being canceled	313	Creates and returns a new coro. This coro is automcatially being canceled
…		…
225	=cut	316	=cut
226		317
227	sub coro(&) {	318	sub coro(&) {
228	my $cb = shift;	319	my $cb = shift;
229		320
230	my $coro; $coro = async {	321	my $coro = &cf::async ($cb);
231	eval {
232	$cb->();
233	};
234	warn $@ if $@;
235	};
236		322
237	$coro->on_destroy (sub {	323	$coro->on_destroy (sub {
238	delete $EXT_CORO{$coro+0};	324	delete $EXT_CORO{$coro+0};
239	});	325	});
240	$EXT_CORO{$coro+0} = $coro;	326	$EXT_CORO{$coro+0} = $coro;
241		327
242	$coro	328	$coro
243	}	329	}
244		330
		331	sub write_runtime {
		332	my $runtime = cf::localdir . "/runtime";
		333
		334	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644
		335	or return;
		336
		337	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock
		338	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		339	and return;
		340
		341	aio_fsync $fh
		342	and return;
		343
		344	close $fh
		345	or return;
		346
		347	aio_rename "$runtime~", $runtime
		348	and return;
		349
		350	1
		351	}
		352
245	=back	353	=back
246		354
247	=cut	355	=cut
		356
		357	#############################################################################
		358
		359	package cf::path;
		360
		361	sub new {
		362	my ($class, $path, $base) = @_;
		363
		364	$path = $path->as_string if ref $path;
		365
		366	my $self = bless { }, $class;
		367
		368	# {... are special paths that are not touched
		369	# ?xxx/... are special absolute paths
		370	# ?random/... random maps
		371	# /! non-realised random map exit
		372	# /... normal maps
		373	# ~/... per-player maps without a specific player (DO NOT USE)
		374	# ~user/... per-player map of a specific user
		375
		376	if ($path =~ /^{/) {
		377	# fine as it is
		378	} elsif ($path =~ s{^\?random/}{}) {
		379	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
		380	$self->{random} = cf::from_json $data;
		381	} else {
		382	if ($path =~ s{^~([^/]+)?}{}) {
		383	$self->{user_rel} = 1;
		384
		385	if (defined $1) {
		386	$self->{user} = $1;
		387	} elsif ($base =~ m{^~([^/]+)/}) {
		388	$self->{user} = $1;
		389	} else {
		390	warn "cannot resolve user-relative path without user <$path,$base>\n";
		391	}
		392	} elsif ($path =~ /^\//) {
		393	# already absolute
		394	} else {
		395	$base =~ s{[^/]+/?$}{};
		396	return $class->new ("$base/$path");
		397	}
		398
		399	for ($path) {
		400	redo if s{/\.?/}{/};
		401	redo if s{/[^/]+/\.\./}{/};
		402	}
		403	}
		404
		405	$self->{path} = $path;
		406
		407	$self
		408	}
		409
		410	# the name / primary key / in-game path
		411	sub as_string {
		412	my ($self) = @_;
		413
		414	$self->{user_rel} ? "~$self->{user}$self->{path}"
		415	: $self->{random} ? "?random/$self->{path}"
		416	: $self->{path}
		417	}
		418
		419	# the displayed name, this is a one way mapping
		420	sub visible_name {
		421	my ($self) = @_;
		422
		423	# if (my $rmp = $self->{random}) {
		424	# # todo: be more intelligent about this
		425	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
		426	# } else {
		427	$self->as_string
		428	# }
		429	}
		430
		431	# escape the /'s in the path
		432	sub _escaped_path {
		433	# ∕ is U+2215
		434	(my $path = $_[0]{path}) =~ s/\//∕/g;
		435	$path
		436	}
		437
		438	# the original (read-only) location
		439	sub load_path {
		440	my ($self) = @_;
		441
		442	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		443	}
		444
		445	# the temporary/swap location
		446	sub save_path {
		447	my ($self) = @_;
		448
		449	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
		450	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
		451	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
		452	}
		453
		454	# the unique path, might be eq to save_path
		455	sub uniq_path {
		456	my ($self) = @_;
		457
		458	$self->{user_rel} \|\| $self->{random}
		459	? undef
		460	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
		461	}
		462
		463	# return random map parameters, or undef
		464	sub random_map_params {
		465	my ($self) = @_;
		466
		467	$self->{random}
		468	}
		469
		470	# this is somewhat ugly, but style maps do need special treatment
		471	sub is_style_map {
		472	$_[0]{path} =~ m{^/styles/}
		473	}
		474
		475	package cf;
248		476
249	#############################################################################	477	#############################################################################
250		478
251	=head2 ATTACHABLE OBJECTS	479	=head2 ATTACHABLE OBJECTS
252		480
…		…
660	or return;	888	or return;
661		889
662	unless (aio_stat "$filename.pst") {	890	unless (aio_stat "$filename.pst") {
663	(aio_load "$filename.pst", $av) >= 0	891	(aio_load "$filename.pst", $av) >= 0
664	or return;	892	or return;
665	$av = eval { (Storable::thaw <$av>)->{objs} };	893	$av = eval { (Storable::thaw $av)->{objs} };
666	}	894	}
667		895
		896	warn sprintf "loading %s (%d)\n",
		897	$filename, length $data, scalar @{$av \|\| []};#d#
668	return ($data, $av);	898	return ($data, $av);
669	}	899	}
670		900
671	#############################################################################	901	#############################################################################
672	# command handling &c	902	# command handling &c
…		…
894	$self->send ("ext " . to_json \%msg);	1124	$self->send ("ext " . to_json \%msg);
895	}	1125	}
896		1126
897	=back	1127	=back
898		1128
		1129
		1130	=head3 cf::map
		1131
		1132	=over 4
		1133
		1134	=cut
		1135
		1136	package cf::map;
		1137
		1138	use Fcntl;
		1139	use Coro::AIO;
		1140
		1141	our $MAX_RESET = 7200;
		1142	our $DEFAULT_RESET = 3600;
		1143
		1144	sub generate_random_map {
		1145	my ($path, $rmp) = @_;
		1146
		1147	# mit "rum" bekleckern, nicht
		1148	cf::map::_create_random_map
		1149	$path,
		1150	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
		1151	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
		1152	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
		1153	$rmp->{exit_on_final_map},
		1154	$rmp->{xsize}, $rmp->{ysize},
		1155	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
		1156	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
		1157	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
		1158	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
		1159	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
		1160	(cf::region::find $rmp->{region})
		1161	}
		1162
		1163	# and all this just because we cannot iterate over
		1164	# all maps in C++...
		1165	sub change_all_map_light {
		1166	my ($change) = @_;
		1167
		1168	$_->change_map_light ($change)
		1169	for grep $_->outdoor, values %cf::MAP;
		1170	}
		1171
		1172	sub try_load_header($) {
		1173	my ($path) = @_;
		1174
		1175	utf8::encode $path;
		1176	aio_open $path, O_RDONLY, 0
		1177	or return;
		1178
		1179	my $map = cf::map::new
		1180	or return;
		1181
		1182	$map->load_header ($path)
		1183	or return;
		1184
		1185	$map->{load_path} = $path;
		1186
		1187	$map
		1188	}
		1189
		1190	sub find_map;
		1191	sub find_map {
		1192	my ($path, $origin) = @_;
		1193
		1194	#warn "find_map<$path,$origin>\n";#d#
		1195
		1196	$path = new cf::path $path, $origin && $origin->path;
		1197	my $key = $path->as_string;
		1198
		1199	cf::lock_wait "map_find:$key";
		1200
		1201	$cf::MAP{$key} \|\| do {
		1202	my $guard = cf::lock_acquire "map_find:$key";
		1203
		1204	# do it the slow way
		1205	my $map = try_load_header $path->save_path;
		1206
		1207	if ($map) {
		1208	$map->last_access ((delete $map->{last_access})
		1209	\|\| $cf::RUNTIME); #d#
		1210	# safety
		1211	$map->{instantiate_time} = $cf::RUNTIME
		1212	if $map->{instantiate_time} > $cf::RUNTIME;
		1213	} else {
		1214	if (my $rmp = $path->random_map_params) {
		1215	$map = generate_random_map $key, $rmp;
		1216	} else {
		1217	$map = try_load_header $path->load_path;
		1218	}
		1219
		1220	$map or return;
		1221
		1222	$map->{load_original} = 1;
		1223	$map->{instantiate_time} = $cf::RUNTIME;
		1224	$map->last_access ($cf::RUNTIME);
		1225	$map->instantiate;
		1226
		1227	# per-player maps become, after loading, normal maps
		1228	$map->per_player (0) if $path->{user_rel};
		1229	}
		1230
		1231	$map->path ($key);
		1232	$map->{path} = $path;
		1233	$map->{last_save} = $cf::RUNTIME;
		1234
		1235	if ($map->should_reset) {
		1236	$map->reset;
		1237	undef $guard;
		1238	$map = find_map $path
		1239	or return;
		1240	}
		1241
		1242	$cf::MAP{$key} = $map
		1243	}
		1244	}
		1245
		1246	sub load {
		1247	my ($self) = @_;
		1248
		1249	my $path = $self->{path};
		1250	my $guard = cf::lock_acquire "map_load:" . $path->as_string;
		1251
		1252	return if $self->in_memory != cf::MAP_SWAPPED;
		1253
		1254	$self->in_memory (cf::MAP_LOADING);
		1255
		1256	$self->alloc;
		1257	$self->load_objects ($self->{load_path}, 1)
		1258	or return;
		1259
		1260	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1261	if delete $self->{load_original};
		1262
		1263	if (my $uniq = $path->uniq_path) {
		1264	utf8::encode $uniq;
		1265	if (aio_open $uniq, O_RDONLY, 0) {
		1266	$self->clear_unique_items;
		1267	$self->load_objects ($uniq, 0);
		1268	}
		1269	}
		1270
		1271	# now do the right thing for maps
		1272	$self->link_multipart_objects;
		1273
		1274	if ($self->{path}->is_style_map) {
		1275	$self->{deny_save} = 1;
		1276	$self->{deny_reset} = 1;
		1277	} else {
		1278	$self->fix_auto_apply;
		1279	$self->decay_objects;
		1280	$self->update_buttons;
		1281	$self->set_darkness_map;
		1282	$self->difficulty ($self->estimate_difficulty)
		1283	unless $self->difficulty;
		1284	$self->activate;
		1285	}
		1286
		1287	$self->in_memory (cf::MAP_IN_MEMORY);
		1288	}
		1289
		1290	sub load_map_sync {
		1291	my ($path, $origin) = @_;
		1292
		1293	#warn "load_map_sync<$path, $origin>\n";#d#
		1294
		1295	cf::sync_job {
		1296	my $map = cf::map::find_map $path, $origin
		1297	or return;
		1298	$map->load;
		1299	$map
		1300	}
		1301	}
		1302
		1303	sub save {
		1304	my ($self) = @_;
		1305
		1306	$self->{last_save} = $cf::RUNTIME;
		1307
		1308	return unless $self->dirty;
		1309
		1310	my $save = $self->{path}->save_path; utf8::encode $save;
		1311	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
		1312
		1313	$self->{load_path} = $save;
		1314
		1315	return if $self->{deny_save};
		1316
		1317	local $self->{last_access} = $self->last_access;#d#
		1318
		1319	if ($uniq) {
		1320	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);
		1321	$self->save_objects ($uniq, cf::IO_UNIQUES);
		1322	} else {
		1323	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS \| cf::IO_UNIQUES);
		1324	}
		1325	}
		1326
		1327	sub swap_out {
		1328	my ($self) = @_;
		1329
		1330	# save first because save cedes
		1331	$self->save;
		1332
		1333	return if $self->players;
		1334	return if $self->in_memory != cf::MAP_IN_MEMORY;
		1335	return if $self->{deny_save};
		1336
		1337	$self->clear;
		1338	$self->in_memory (cf::MAP_SWAPPED);
		1339	}
		1340
		1341	sub reset_at {
		1342	my ($self) = @_;
		1343
		1344	# TODO: safety, remove and allow resettable per-player maps
		1345	return 1e99 if $self->{path}{user_rel};
		1346	return 1e99 if $self->{deny_reset};
		1347
		1348	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1349	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;
		1350
		1351	$time + $to
		1352	}
		1353
		1354	sub should_reset {
		1355	my ($self) = @_;
		1356
		1357	$self->reset_at <= $cf::RUNTIME
		1358	}
		1359
		1360	sub unlink_save {
		1361	my ($self) = @_;
		1362
		1363	utf8::encode (my $save = $self->{path}->save_path);
		1364	aioreq_pri 3; IO::AIO::aio_unlink $save;
		1365	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
		1366	}
		1367
		1368	sub rename {
		1369	my ($self, $new_path) = @_;
		1370
		1371	$self->unlink_save;
		1372
		1373	delete $cf::MAP{$self->path};
		1374	$self->{path} = new cf::path $new_path;
		1375	$self->path ($self->{path}->as_string);
		1376	$cf::MAP{$self->path} = $self;
		1377
		1378	$self->save;
		1379	}
		1380
		1381	sub reset {
		1382	my ($self) = @_;
		1383
		1384	return if $self->players;
		1385	return if $self->{path}{user_rel};#d#
		1386
		1387	warn "resetting map ", $self->path;#d#
		1388
		1389	delete $cf::MAP{$self->path};
		1390
		1391	$_->clear_links_to ($self) for values %cf::MAP;
		1392
		1393	$self->unlink_save;
		1394	$self->destroy;
		1395	}
		1396
		1397	my $nuke_counter = "aaaa";
		1398
		1399	sub nuke {
		1400	my ($self) = @_;
		1401
		1402	$self->{deny_save} = 1;
		1403	$self->reset_timeout (1);
		1404	$self->rename ("{nuke}/" . ($nuke_counter++));
		1405	$self->reset; # polite request, might not happen
		1406	}
		1407
		1408	sub customise_for {
		1409	my ($map, $ob) = @_;
		1410
		1411	if ($map->per_player) {
		1412	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};
		1413	}
		1414
		1415	$map
		1416	}
		1417
		1418	sub emergency_save {
		1419	local $cf::FREEZE = 1;
		1420
		1421	warn "enter emergency map save\n";
		1422
		1423	cf::sync_job {
		1424	warn "begin emergency map save\n";
		1425	$_->save for values %cf::MAP;
		1426	};
		1427
		1428	warn "end emergency map save\n";
		1429	}
		1430
		1431	package cf;
		1432
		1433	=back
		1434
		1435
899	=head3 cf::object::player	1436	=head3 cf::object::player
900		1437
901	=over 4	1438	=over 4
902		1439
903	=item $player_object->reply ($npc, $msg[, $flags])	1440	=item $player_object->reply ($npc, $msg[, $flags])
…		…
938	(ref $cf::CFG{"may_$access"}	1475	(ref $cf::CFG{"may_$access"}
939	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1476	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
940	: $cf::CFG{"may_$access"})	1477	: $cf::CFG{"may_$access"})
941	}	1478	}
942		1479
		1480	=item $player_object->enter_link
		1481
		1482	Freezes the player and moves him/her to a special map (C<{link}>).
		1483
		1484	The player should be reaosnably safe there for short amounts of time. You
		1485	I<MUST> call C<leave_link> as soon as possible, though.
		1486
		1487	=item $player_object->leave_link ($map, $x, $y)
		1488
		1489	Moves the player out of the specila link map onto the given map. If the
		1490	map is not valid (or omitted), the player will be moved back to the
		1491	location he/she was before the call to C<enter_link>, or, if that fails,
		1492	to the emergency map position.
		1493
		1494	Might block.
		1495
		1496	=cut
		1497
		1498	sub cf::object::player::enter_link {
		1499	my ($self) = @_;
		1500
		1501	$self->deactivate_recursive;
		1502
		1503	return if $self->map == $LINK_MAP;
		1504
		1505	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]
		1506	if $self->map;
		1507
		1508	$self->enter_map ($LINK_MAP, 20, 20);
		1509	}
		1510
		1511	sub cf::object::player::leave_link {
		1512	my ($self, $map, $x, $y) = @_;
		1513
		1514	my $link_pos = delete $self->{_link_pos};
		1515
		1516	unless ($map) {
		1517	# restore original map position
		1518	($map, $x, $y) = @{ $link_pos \|\| [] };
		1519	$map = cf::map::find_map $map;
		1520
		1521	unless ($map) {
		1522	($map, $x, $y) = @$EMERGENCY_POSITION;
		1523	$map = cf::map::find_map $map
		1524	or die "FATAL: cannot load emergency map\n";
		1525	}
		1526	}
		1527
		1528	($x, $y) = (-1, -1)
		1529	unless (defined $x) && (defined $y);
		1530
		1531	# use -1 or undef as default coordinates, not 0, 0
		1532	($x, $y) = ($map->enter_x, $map->enter_y)
		1533	if $x <=0 && $y <= 0;
		1534
		1535	$map->load;
		1536
		1537	$self->activate_recursive;
		1538	$self->enter_map ($map, $x, $y);
		1539	}
		1540
		1541	cf::player->attach (
		1542	on_logout => sub {
		1543	my ($pl) = @_;
		1544
		1545	# abort map switching before logout
		1546	if ($pl->ob->{_link_pos}) {
		1547	cf::sync_job {
		1548	$pl->ob->leave_link
		1549	};
		1550	}
		1551	},
		1552	on_login => sub {
		1553	my ($pl) = @_;
		1554
		1555	# try to abort aborted map switching on player login :)
		1556	# should happen only on crashes
		1557	if ($pl->ob->{_link_pos}) {
		1558	$pl->ob->enter_link;
		1559	cf::async {
		1560	# we need this sleep as the login has a concurrent enter_exit running
		1561	# and this sleep increases chances of the player not ending up in scorn
		1562	Coro::Timer::sleep 1;
		1563	$pl->ob->leave_link;
		1564	};
		1565	}
		1566	},
		1567	);
		1568
		1569	=item $player_object->goto_map ($path, $x, $y)
		1570
		1571	=cut
		1572
		1573	sub cf::object::player::goto_map {
		1574	my ($self, $path, $x, $y) = @_;
		1575
		1576	$self->enter_link;
		1577
		1578	(cf::async {
		1579	$path = new cf::path $path;
		1580
		1581	my $map = cf::map::find_map $path->as_string;
		1582	$map = $map->customise_for ($self) if $map;
		1583
		1584	# warn "entering ", $map->path, " at ($x, $y)\n"
		1585	# if $map;
		1586
		1587	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
		1588
		1589	$self->leave_link ($map, $x, $y);
		1590	})->prio (1);
		1591	}
		1592
		1593	=item $player_object->enter_exit ($exit_object)
		1594
		1595	=cut
		1596
		1597	sub parse_random_map_params {
		1598	my ($spec) = @_;
		1599
		1600	my $rmp = { # defaults
		1601	xsize => 10,
		1602	ysize => 10,
		1603	};
		1604
		1605	for (split /\n/, $spec) {
		1606	my ($k, $v) = split /\s+/, $_, 2;
		1607
		1608	$rmp->{lc $k} = $v if (length $k) && (length $v);
		1609	}
		1610
		1611	$rmp
		1612	}
		1613
		1614	sub prepare_random_map {
		1615	my ($exit) = @_;
		1616
		1617	# all this does is basically replace the /! path by
		1618	# a new random map path (?random/...) with a seed
		1619	# that depends on the exit object
		1620
		1621	my $rmp = parse_random_map_params $exit->msg;
		1622
		1623	if ($exit->map) {
		1624	$rmp->{region} = $exit->map->region_name;
		1625	$rmp->{origin_map} = $exit->map->path;
		1626	$rmp->{origin_x} = $exit->x;
		1627	$rmp->{origin_y} = $exit->y;
		1628	}
		1629
		1630	$rmp->{random_seed} \|\|= $exit->random_seed;
		1631
		1632	my $data = cf::to_json $rmp;
		1633	my $md5 = Digest::MD5::md5_hex $data;
		1634
		1635	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY \| O_CREAT, 0666) {
		1636	aio_write $fh, 0, (length $data), $data, 0;
		1637
		1638	$exit->slaying ("?random/$md5");
		1639	$exit->msg (undef);
		1640	}
		1641	}
		1642
		1643	sub cf::object::player::enter_exit {
		1644	my ($self, $exit) = @_;
		1645
		1646	return unless $self->type == cf::PLAYER;
		1647
		1648	$self->enter_link;
		1649
		1650	(cf::async {
		1651	unless (eval {
		1652	prepare_random_map $exit
		1653	if $exit->slaying eq "/!";
		1654
		1655	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
		1656	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
		1657
		1658	1;
		1659	}) {
		1660	$self->message ("Something went wrong deep within the crossfire server. "
		1661	. "I'll try to bring you back to the map you were before. "
		1662	. "Please report this to the dungeon master",
		1663	cf::NDI_UNIQUE \| cf::NDI_RED);
		1664
		1665	warn "ERROR in enter_exit: $@";
		1666	$self->leave_link;
		1667	}
		1668	})->prio (1);
		1669	}
		1670
943	=head3 cf::client	1671	=head3 cf::client
944		1672
945	=over 4	1673	=over 4
946		1674
947	=item $client->send_drawinfo ($text, $flags)	1675	=item $client->send_drawinfo ($text, $flags)
…		…
990	on_reply => sub {	1718	on_reply => sub {
991	my ($ns, $msg) = @_;	1719	my ($ns, $msg) = @_;
992		1720
993	# this weird shuffling is so that direct followup queries	1721	# this weird shuffling is so that direct followup queries
994	# get handled first	1722	# get handled first
995	my $queue = delete $ns->{query_queue};	1723	my $queue = delete $ns->{query_queue}
		1724	or return; # be conservative, not sure how that can happen, but we saw a crash here
996		1725
997	(shift @$queue)->[1]->($msg);	1726	(shift @$queue)->[1]->($msg);
998		1727
999	push @{ $ns->{query_queue} }, @$queue;	1728	push @{ $ns->{query_queue} }, @$queue;
1000		1729
…		…
1017	=cut	1746	=cut
1018		1747
1019	sub cf::client::coro {	1748	sub cf::client::coro {
1020	my ($self, $cb) = @_;	1749	my ($self, $cb) = @_;
1021		1750
1022	my $coro; $coro = async {	1751	my $coro = &cf::async ($cb);
1023	eval {
1024	$cb->();
1025	};
1026	warn $@ if $@;
1027	};
1028		1752
1029	$coro->on_destroy (sub {	1753	$coro->on_destroy (sub {
1030	delete $self->{_coro}{$coro+0};	1754	delete $self->{_coro}{$coro+0};
1031	});	1755	});
1032		1756
…		…
1204		1928
1205	{	1929	{
1206	my $path = cf::localdir . "/database.pst";	1930	my $path = cf::localdir . "/database.pst";
1207		1931
1208	sub db_load() {	1932	sub db_load() {
1209	warn "loading database $path\n";#d# remove later
1210	$DB = stat $path ? Storable::retrieve $path : { };	1933	$DB = stat $path ? Storable::retrieve $path : { };
1211	}	1934	}
1212		1935
1213	my $pid;	1936	my $pid;
1214		1937
1215	sub db_save() {	1938	sub db_save() {
1216	warn "saving database $path\n";#d# remove later
1217	waitpid $pid, 0 if $pid;	1939	waitpid $pid, 0 if $pid;
1218	if (0 == ($pid = fork)) {	1940	if (0 == ($pid = fork)) {
1219	$DB->{_meta}{version} = 1;	1941	$DB->{_meta}{version} = 1;
1220	Storable::nstore $DB, "$path~";	1942	Storable::nstore $DB, "$path~";
1221	rename "$path~", $path;	1943	rename "$path~", $path;
…		…
1269	open my $fh, "<:utf8", cf::confdir . "/config"	1991	open my $fh, "<:utf8", cf::confdir . "/config"
1270	or return;	1992	or return;
1271		1993
1272	local $/;	1994	local $/;
1273	*CFG = YAML::Syck::Load <$fh>;	1995	*CFG = YAML::Syck::Load <$fh>;
		1996
		1997	$EMERGENCY_POSITION = $CFG{emergency_position} \|\| ["/world/world_105_115", 5, 37];
		1998
		1999	if (exists $CFG{mlockall}) {
		2000	eval {
		2001	$CFG{mlockall} ? &mlockall : &munlockall
		2002	and die "WARNING: m(un)lockall failed: $!\n";
		2003	};
		2004	warn $@ if $@;
		2005	}
1274	}	2006	}
1275		2007
1276	sub main {	2008	sub main {
		2009	# we must not ever block the main coroutine
		2010	local $Coro::idle = sub {
		2011	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2012	(Coro::unblock_sub {
		2013	Event::one_event;
		2014	})->();
		2015	};
		2016
1277	cfg_load;	2017	cfg_load;
1278	db_load;	2018	db_load;
1279	load_extensions;	2019	load_extensions;
1280	Event::loop;	2020	Event::loop;
1281	}	2021	}
1282		2022
1283	#############################################################################	2023	#############################################################################
1284	# initialisation	2024	# initialisation
1285		2025
1286	sub _perl_reload() {	2026	sub reload() {
1287	# can/must only be called in main	2027	# can/must only be called in main
1288	if ($Coro::current != $Coro::main) {	2028	if ($Coro::current != $Coro::main) {
1289	warn "can only reload from main coroutine\n";	2029	warn "can only reload from main coroutine\n";
1290	return;	2030	return;
1291	}	2031	}
…		…
1373	}	2113	}
1374		2114
1375	warn "reloaded successfully";	2115	warn "reloaded successfully";
1376	};	2116	};
1377		2117
1378	sub perl_reload() {	2118	#############################################################################
1379	_perl_reload;	2119
		2120	unless ($LINK_MAP) {
		2121	$LINK_MAP = cf::map::new;
		2122
		2123	$LINK_MAP->width (41);
		2124	$LINK_MAP->height (41);
		2125	$LINK_MAP->alloc;
		2126	$LINK_MAP->path ("{link}");
		2127	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
		2128	$LINK_MAP->in_memory (MAP_IN_MEMORY);
		2129
		2130	# dirty hack because... archetypes are not yet loaded
		2131	Event->timer (
		2132	after => 2,
		2133	cb => sub {
		2134	$_[0]->w->cancel;
		2135
		2136	# provide some exits "home"
		2137	my $exit = cf::object::new "exit";
		2138
		2139	$exit->slaying ($EMERGENCY_POSITION->[0]);
		2140	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
		2141	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
		2142
		2143	$LINK_MAP->insert ($exit->clone, 19, 19);
		2144	$LINK_MAP->insert ($exit->clone, 19, 20);
		2145	$LINK_MAP->insert ($exit->clone, 19, 21);
		2146	$LINK_MAP->insert ($exit->clone, 20, 19);
		2147	$LINK_MAP->insert ($exit->clone, 20, 21);
		2148	$LINK_MAP->insert ($exit->clone, 21, 19);
		2149	$LINK_MAP->insert ($exit->clone, 21, 20);
		2150	$LINK_MAP->insert ($exit->clone, 21, 21);
		2151
		2152	$exit->destroy;
		2153	});
		2154
		2155	$LINK_MAP->{deny_save} = 1;
		2156	$LINK_MAP->{deny_reset} = 1;
		2157
		2158	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1380	}	2159	}
1381		2160
1382	register "<global>", __PACKAGE__;	2161	register "<global>", __PACKAGE__;
1383		2162
1384	register_command "perl-reload" => sub {	2163	register_command "reload" => sub {
1385	my ($who, $arg) = @_;	2164	my ($who, $arg) = @_;
1386		2165
1387	if ($who->flag (FLAG_WIZ)) {	2166	if ($who->flag (FLAG_WIZ)) {
		2167	$who->message ("start of reload.");
		2168	reload;
1388	$who->message ("reloading...");	2169	$who->message ("end of reload.");
1389	_perl_reload;
1390	}	2170	}
1391	};	2171	};
1392		2172
1393	unshift @INC, $LIBDIR;	2173	unshift @INC, $LIBDIR;
1394		2174
…		…
1413	},	2193	},
1414	);	2194	);
1415		2195
1416	IO::AIO::max_poll_time $TICK * 0.2;	2196	IO::AIO::max_poll_time $TICK * 0.2;
1417		2197
		2198	Event->io (
1418	Event->io (fd => IO::AIO::poll_fileno,	2199	fd => IO::AIO::poll_fileno,
1419	poll => 'r',	2200	poll => 'r',
1420	prio => 5,	2201	prio => 5,
1421	data => WF_AUTOCANCEL,	2202	data => WF_AUTOCANCEL,
1422	cb => \&IO::AIO::poll_cb);	2203	cb => \&IO::AIO::poll_cb,
		2204	);
1423		2205
1424	# we must not ever block the main coroutine	2206	Event->timer (
1425	$Coro::idle = sub {	2207	data => WF_AUTOCANCEL,
1426	#Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2208	after => 0,
1427	warn "FATAL: Coro::idle was called, major BUG\n";	2209	interval => 10,
		2210	cb => sub {
1428	(Coro::unblock_sub {	2211	(Coro::unblock_sub {
1429	Event::one_event;	2212	write_runtime
		2213	or warn "ERROR: unable to write runtime file: $!";
1430	})->();	2214	})->();
1431	};	2215	},
		2216	);
		2217
		2218	END { cf::emergency_save }
1432		2219
1433	1	2220	1
1434		2221

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.106 by root, Sun Dec 31 17:29:22 2006 UTC vs. Revision 1.132 by root, Thu Jan 4 01:35:56 2007 UTC

Diff Legend

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.106 by root, Sun Dec 31 17:29:22 2006 UTC vs.
Revision 1.132 by root, Thu Jan 4 01:35:56 2007 UTC