[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 1.143 by root, Sun Jan 7 02:39:14 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3;	13	use Coro 3.3 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
…		…
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	26	use Event; $Event::Eval = 1; # no idea why this is required, but it is
27		27
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	29	$YAML::Syck::ImplicitUnicode = 1;
30		30
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		34
35	our %COMMAND = ();	35	our %COMMAND = ();
36	our %COMMAND_TIME = ();	36	our %COMMAND_TIME = ();
…		…
47	our %CFG;	47	our %CFG;
48		48
49	our $UPTIME; $UPTIME \|\|= time;	49	our $UPTIME; $UPTIME \|\|= time;
50	our $RUNTIME;	50	our $RUNTIME;
51		51
		52	our %PLAYER; # all users
52	our %MAP; # all maps	53	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	54	our $LINK_MAP; # the special {link} map
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	55	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	56	our %EXT_CORO; # coroutines bound to extensions
57		57
58	binmode STDOUT;	58	binmode STDOUT;
59	binmode STDERR;	59	binmode STDERR;
60		60
61	# read virtual server time, if available	61	# read virtual server time, if available
…		…
71	mkdir cf::localdir . "/" . cf::uniquedir;	71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	72	mkdir $RANDOM_MAPS;
73		73
74	# a special map that is always available	74	# a special map that is always available
75	our $LINK_MAP;	75	our $LINK_MAP;
		76	our $EMERGENCY_POSITION;
76		77
77	#############################################################################	78	#############################################################################
78		79
79	=head2 GLOBAL VARIABLES	80	=head2 GLOBAL VARIABLES
80		81
…		…
179	sub to_json($) {	180	sub to_json($) {
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]	182	JSON::Syck::Dump $_[0]
182	}	183	}
183		184
		185	=item cf::lock_wait $string
		186
		187	Wait until the given lock is available. See cf::lock_acquire.
		188
		189	=item my $lock = cf::lock_acquire $string
		190
		191	Wait until the given lock is available and then acquires it and returns
		192	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		193	for example when the coroutine gets canceled), the lock is automatically
		194	returned.
		195
		196	Lock names should begin with a unique identifier (for example, cf::map::find
		197	uses map_find and cf::map::load uses map_load).
		198
		199	=cut
		200
		201	our %LOCK;
		202
		203	sub lock_wait($) {
		204	my ($key) = @_;
		205
		206	# wait for lock, if any
		207	while ($LOCK{$key}) {
		208	push @{ $LOCK{$key} }, $Coro::current;
		209	Coro::schedule;
		210	}
		211	}
		212
		213	sub lock_acquire($) {
		214	my ($key) = @_;
		215
		216	# wait, to be sure we are not locked
		217	lock_wait $key;
		218
		219	$LOCK{$key} = [];
		220
		221	Coro::guard {
		222	# wake up all waiters, to be on the safe side
		223	$_->ready for @{ delete $LOCK{$key} };
		224	}
		225	}
		226
		227	sub freeze_mainloop {
		228	return unless $TICK_WATCHER->is_active;
		229
		230	my $guard = Coro::guard { $TICK_WATCHER->start };
		231	$TICK_WATCHER->stop;
		232	$guard
		233	}
		234
		235	=item cf::async { BLOCK }
		236
		237	Currently the same as Coro::async_pool, meaning you cannot use
		238	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		239	thing you are allowed to do is call C<prio> on it.
		240
		241	=cut
		242
		243	BEGIN { *async = \&Coro::async_pool }
		244
184	=item cf::sync_job { BLOCK }	245	=item cf::sync_job { BLOCK }
185		246
186	The design of crossfire+ requires that the main coro ($Coro::main) is	247	The design of crossfire+ requires that the main coro ($Coro::main) is
187	always able to handle events or runnable, as crossfire+ is only partly	248	always able to handle events or runnable, as crossfire+ is only partly
188	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	249	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.
…		…
195	=cut	256	=cut
196		257
197	sub sync_job(&) {	258	sub sync_job(&) {
198	my ($job) = @_;	259	my ($job) = @_;
199		260
200	my $busy = 1;
201	my @res;
202
203	# TODO: use suspend/resume instead
204	local $FREEZE = 1;
205
206	my $coro = Coro::async {
207	@res = eval { $job->() };
208	warn $@ if $@;
209	undef $busy;
210	};
211
212	if ($Coro::current == $Coro::main) {	261	if ($Coro::current == $Coro::main) {
		262	# this is the main coro, too bad, we have to block
		263	# till the operation succeeds, freezing the server :/
		264
		265	# TODO: use suspend/resume instead
		266	# (but this is cancel-safe)
		267	my $freeze_guard = freeze_mainloop;
		268
		269	my $busy = 1;
		270	my @res;
		271
		272	(async {
		273	@res = eval { $job->() };
		274	warn $@ if $@;
		275	undef $busy;
213	$coro->prio (Coro::PRIO_MAX);	276	})->prio (Coro::PRIO_MAX);
		277
214	while ($busy) {	278	while ($busy) {
215	Coro::cede_notself;	279	Coro::cede or Event::one_event;
216	Event::one_event unless Coro::nready;
217	}	280	}
		281
		282	wantarray ? @res : $res[0]
218	} else {	283	} else {
219	$coro->join;	284	# we are in another coroutine, how wonderful, everything just works
		285
		286	$job->()
220	}	287	}
221
222	wantarray ? @res : $res[0]
223	}	288	}
224		289
225	=item $coro = cf::coro { BLOCK }	290	=item $coro = cf::async_ext { BLOCK }
226		291
227	Creates and returns a new coro. This coro is automcatially being canceled	292	Like async, but this coro is automcatially being canceled when the
228	when the extension calling this is being unloaded.	293	extension calling this is being unloaded.
229		294
230	=cut	295	=cut
231		296
232	sub coro(&) {	297	sub async_ext(&) {
233	my $cb = shift;	298	my $cb = shift;
234		299
235	my $coro; $coro = async {	300	my $coro = &Coro::async ($cb);
236	eval {
237	$cb->();
238	};
239	warn $@ if $@;
240	};
241		301
242	$coro->on_destroy (sub {	302	$coro->on_destroy (sub {
243	delete $EXT_CORO{$coro+0};	303	delete $EXT_CORO{$coro+0};
244	});	304	});
245	$EXT_CORO{$coro+0} = $coro;	305	$EXT_CORO{$coro+0} = $coro;
…		…
251	my $runtime = cf::localdir . "/runtime";	311	my $runtime = cf::localdir . "/runtime";
252		312
253	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644	313	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644
254	or return;	314	or return;
255		315
256	my $value = $cf::RUNTIME;	316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock
257	(aio_write $fh, 0, (length $value), $value, 0) <= 0	317	(aio_write $fh, 0, (length $value), $value, 0) <= 0
258	and return;	318	and return;
259		319
260	aio_fsync $fh	320	aio_fsync $fh
261	and return;	321	and return;
…		…
278	package cf::path;	338	package cf::path;
279		339
280	sub new {	340	sub new {
281	my ($class, $path, $base) = @_;	341	my ($class, $path, $base) = @_;
282		342
		343	$path = $path->as_string if ref $path;
		344
283	my $self = bless { }, $class;	345	my $self = bless { }, $class;
284		346
		347	# {... are special paths that are not touched
		348	# ?xxx/... are special absolute paths
		349	# ?random/... random maps
		350	# /! non-realised random map exit
		351	# /... normal maps
		352	# ~/... per-player maps without a specific player (DO NOT USE)
		353	# ~user/... per-player map of a specific user
		354
		355	if ($path =~ /^{/) {
		356	# fine as it is
285	if ($path =~ s{^\?random/}{}) {	357	} elsif ($path =~ s{^\?random/}{}) {
		358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
286	$self->{random} = cf::from_json $path;	359	$self->{random} = cf::from_json $data;
287	} else {	360	} else {
288	if ($path =~ s{^~([^/]+)?}{}) {	361	if ($path =~ s{^~([^/]+)?}{}) {
289	$self->{user_rel} = 1;	362	$self->{user_rel} = 1;
290		363
291	if (defined $1) {	364	if (defined $1) {
…		…
324		397
325	# the displayed name, this is a one way mapping	398	# the displayed name, this is a one way mapping
326	sub visible_name {	399	sub visible_name {
327	my ($self) = @_;	400	my ($self) = @_;
328		401
329	$self->{random} ? "?random/$self->{random}{origin_map}+$self->{random}{origin_x}+$self->{random}{origin_y}/$self->{random}{dungeon_level}"	402	# if (my $rmp = $self->{random}) {
330	: $self->as_string	403	# # todo: be more intelligent about this
		404	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
		405	# } else {
		406	$self->as_string
		407	# }
331	}	408	}
332		409
333	# escape the /'s in the path	410	# escape the /'s in the path
334	sub _escaped_path {	411	sub _escaped_path {
335	# ∕ is U+2215	412	# ∕ is U+2215
…		…
347	# the temporary/swap location	424	# the temporary/swap location
348	sub save_path {	425	sub save_path {
349	my ($self) = @_;	426	my ($self) = @_;
350		427
351	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path	428	$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}	429	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
353	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path	430	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
354	}	431	}
355		432
356	# the unique path, might be eq to save_path	433	# the unique path, might be eq to save_path
357	sub uniq_path {	434	sub uniq_path {
…		…
790	or return;	867	or return;
791		868
792	unless (aio_stat "$filename.pst") {	869	unless (aio_stat "$filename.pst") {
793	(aio_load "$filename.pst", $av) >= 0	870	(aio_load "$filename.pst", $av) >= 0
794	or return;	871	or return;
795	$av = eval { (Storable::thaw <$av>)->{objs} };	872	$av = eval { (Storable::thaw $av)->{objs} };
796	}	873	}
797		874
		875	warn sprintf "loading %s (%d)\n",
		876	$filename, length $data, scalar @{$av \|\| []};#d#
798	return ($data, $av);	877	return ($data, $av);
799	}	878	}
800		879
801	#############################################################################	880	#############################################################################
802	# command handling &c	881	# command handling &c
…		…
993		1072
994	=head2 CORE EXTENSIONS	1073	=head2 CORE EXTENSIONS
995		1074
996	Functions and methods that extend core crossfire objects.	1075	Functions and methods that extend core crossfire objects.
997		1076
		1077	=cut
		1078
		1079	package cf::player;
		1080
998	=head3 cf::player	1081	=head3 cf::player
999		1082
1000	=over 4	1083	=over 4
1001		1084
1002	=item cf::player::exists $login	1085	=item cf::player::find $login
1003		1086
1004	Returns true when the given account exists.	1087	Returns the given player object, loading it if necessary (might block).
1005		1088
1006	=cut	1089	=cut
1007		1090
1008	sub cf::player::exists($) {	1091	sub path($) {
1009	cf::player::find $_[0]	1092	sprintf "%s/%s/%s/%s.pl",
1010	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	1093	cf::localdir, cf::playerdir,
		1094	(ref $_[0] ? $_[0]->ob->name : $_[0]) x 2
		1095	}
		1096
		1097	sub find_active($) {
		1098	$cf::PLAYER{$_[0]}
		1099	and $cf::PLAYER{$_[0]}->active
		1100	and $cf::PLAYER{$_[0]}
		1101	}
		1102
		1103	sub exists($) {
		1104	my ($login) = @_;
		1105
		1106	$cf::PLAYER{$login}
		1107	or cf::sync_job { !aio_stat $login }
		1108	}
		1109
		1110	sub find($) {
		1111	return $cf::PLAYER{$_[0]} \|\| do {
		1112	my $login = $_[0];
		1113
		1114	my $guard = cf::lock_acquire "user_find:$login";
		1115
		1116	$cf::PLAYER{$login} \|\|= (load_pl path $login or return);
		1117	};
		1118	}
		1119
		1120	sub save($) {
		1121	my ($pl) = @_;
		1122
		1123	return if $pl->{deny_save};
		1124
		1125	my $path = path $pl;
		1126	my $guard = cf::lock_acquire "user_save:$path";
		1127
		1128	return if $pl->{deny_save};
		1129	$pl->{last_save} = $cf::RUNTIME;
		1130
		1131	Coro::cede;
		1132	$pl->save_pl ($path);
		1133	Coro::cede;
		1134	}
		1135
		1136	sub new($) {
		1137	my ($login) = @_;
		1138
		1139	my $self = create;
		1140
		1141	$self->ob->name ($login);
		1142	$self->{deny_save} = 1;
		1143
		1144	$cf::PLAYER{$login} = $self;
		1145
		1146	$self
1011	}	1147	}
1012		1148
1013	=item $player->ext_reply ($msgid, $msgtype, %msg)	1149	=item $player->ext_reply ($msgid, $msgtype, %msg)
1014		1150
1015	Sends an ext reply to the player.	1151	Sends an ext reply to the player.
1016		1152
1017	=cut	1153	=cut
1018		1154
1019	sub cf::player::ext_reply($$$%) {	1155	sub ext_reply($$$%) {
1020	my ($self, $id, %msg) = @_;	1156	my ($self, $id, %msg) = @_;
1021		1157
1022	$msg{msgid} = $id;	1158	$msg{msgid} = $id;
1023		1159
1024	$self->send ("ext " . to_json \%msg);	1160	$self->send ("ext " . cf::to_json \%msg);
1025	}	1161	}
		1162
		1163	package cf;
1026		1164
1027	=back	1165	=back
		1166
		1167
		1168	=head3 cf::map
		1169
		1170	=over 4
		1171
		1172	=cut
		1173
		1174	package cf::map;
		1175
		1176	use Fcntl;
		1177	use Coro::AIO;
		1178
		1179	our $MAX_RESET = 3600;
		1180	our $DEFAULT_RESET = 3000;
		1181
		1182	sub generate_random_map {
		1183	my ($path, $rmp) = @_;
		1184
		1185	# mit "rum" bekleckern, nicht
		1186	cf::map::_create_random_map
		1187	$path,
		1188	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
		1189	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
		1190	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
		1191	$rmp->{exit_on_final_map},
		1192	$rmp->{xsize}, $rmp->{ysize},
		1193	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
		1194	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
		1195	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
		1196	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
		1197	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
		1198	(cf::region::find $rmp->{region})
		1199	}
		1200
		1201	# and all this just because we cannot iterate over
		1202	# all maps in C++...
		1203	sub change_all_map_light {
		1204	my ($change) = @_;
		1205
		1206	$_->change_map_light ($change)
		1207	for grep $_->outdoor, values %cf::MAP;
		1208	}
		1209
		1210	sub try_load_header($) {
		1211	my ($path) = @_;
		1212
		1213	utf8::encode $path;
		1214	aio_open $path, O_RDONLY, 0
		1215	or return;
		1216
		1217	my $map = cf::map::new
		1218	or return;
		1219
		1220	# for better error messages only, will be overwritten
		1221	$map->path ($path);
		1222
		1223	$map->load_header ($path)
		1224	or return;
		1225
		1226	$map->{load_path} = $path;
		1227
		1228	$map
		1229	}
		1230
		1231	sub find;
		1232	sub find {
		1233	my ($path, $origin) = @_;
		1234
		1235	#warn "find<$path,$origin>\n";#d#
		1236
		1237	$path = new cf::path $path, $origin && $origin->path;
		1238	my $key = $path->as_string;
		1239
		1240	cf::lock_wait "map_find:$key";
		1241
		1242	$cf::MAP{$key} \|\| do {
		1243	my $guard = cf::lock_acquire "map_find:$key";
		1244
		1245	# do it the slow way
		1246	my $map = try_load_header $path->save_path;
		1247
		1248	Coro::cede;
		1249
		1250	if ($map) {
		1251	$map->last_access ((delete $map->{last_access})
		1252	\|\| $cf::RUNTIME); #d#
		1253	# safety
		1254	$map->{instantiate_time} = $cf::RUNTIME
		1255	if $map->{instantiate_time} > $cf::RUNTIME;
		1256	} else {
		1257	if (my $rmp = $path->random_map_params) {
		1258	$map = generate_random_map $key, $rmp;
		1259	} else {
		1260	$map = try_load_header $path->load_path;
		1261	}
		1262
		1263	$map or return;
		1264
		1265	$map->{load_original} = 1;
		1266	$map->{instantiate_time} = $cf::RUNTIME;
		1267	$map->last_access ($cf::RUNTIME);
		1268	$map->instantiate;
		1269
		1270	# per-player maps become, after loading, normal maps
		1271	$map->per_player (0) if $path->{user_rel};
		1272	}
		1273
		1274	$map->path ($key);
		1275	$map->{path} = $path;
		1276	$map->{last_save} = $cf::RUNTIME;
		1277
		1278	Coro::cede;
		1279
		1280	if ($map->should_reset) {
		1281	$map->reset;
		1282	undef $guard;
		1283	$map = find $path
		1284	or return;
		1285	}
		1286
		1287	$cf::MAP{$key} = $map
		1288	}
		1289	}
		1290
		1291	sub load {
		1292	my ($self) = @_;
		1293
		1294	my $path = $self->{path};
		1295	my $guard = cf::lock_acquire "map_load:" . $path->as_string;
		1296
		1297	return if $self->in_memory != cf::MAP_SWAPPED;
		1298
		1299	$self->in_memory (cf::MAP_LOADING);
		1300
		1301	$self->alloc;
		1302	$self->load_objects ($self->{load_path}, 1)
		1303	or return;
		1304
		1305	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1306	if delete $self->{load_original};
		1307
		1308	if (my $uniq = $path->uniq_path) {
		1309	utf8::encode $uniq;
		1310	if (aio_open $uniq, O_RDONLY, 0) {
		1311	$self->clear_unique_items;
		1312	$self->load_objects ($uniq, 0);
		1313	}
		1314	}
		1315
		1316	Coro::cede;
		1317
		1318	# now do the right thing for maps
		1319	$self->link_multipart_objects;
		1320
		1321	if ($self->{path}->is_style_map) {
		1322	$self->{deny_save} = 1;
		1323	$self->{deny_reset} = 1;
		1324	} else {
		1325	$self->fix_auto_apply;
		1326	$self->decay_objects;
		1327	$self->update_buttons;
		1328	$self->set_darkness_map;
		1329	$self->difficulty ($self->estimate_difficulty)
		1330	unless $self->difficulty;
		1331	$self->activate;
		1332	}
		1333
		1334	Coro::cede;
		1335
		1336	$self->in_memory (cf::MAP_IN_MEMORY);
		1337	}
		1338
		1339	sub find_sync {
		1340	my ($path, $origin) = @_;
		1341
		1342	cf::sync_job { cf::map::find $path, $origin }
		1343	}
		1344
		1345	sub do_load_sync {
		1346	my ($map) = @_;
		1347
		1348	cf::sync_job { $map->load };
		1349	}
		1350
		1351	sub save {
		1352	my ($self) = @_;
		1353
		1354	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1355
		1356	$self->{last_save} = $cf::RUNTIME;
		1357
		1358	return unless $self->dirty;
		1359
		1360	my $save = $self->{path}->save_path; utf8::encode $save;
		1361	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
		1362
		1363	$self->{load_path} = $save;
		1364
		1365	return if $self->{deny_save};
		1366
		1367	local $self->{last_access} = $self->last_access;#d#
		1368
		1369	cf::async {
		1370	$_->contr->save for $self->players;
		1371	};
		1372
		1373	if ($uniq) {
		1374	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);
		1375	$self->save_objects ($uniq, cf::IO_UNIQUES);
		1376	} else {
		1377	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS \| cf::IO_UNIQUES);
		1378	}
		1379	}
		1380
		1381	sub swap_out {
		1382	my ($self) = @_;
		1383
		1384	# save first because save cedes
		1385	$self->save;
		1386
		1387	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1388
		1389	return if $self->players;
		1390	return if $self->in_memory != cf::MAP_IN_MEMORY;
		1391	return if $self->{deny_save};
		1392
		1393	$self->clear;
		1394	$self->in_memory (cf::MAP_SWAPPED);
		1395	}
		1396
		1397	sub reset_at {
		1398	my ($self) = @_;
		1399
		1400	# TODO: safety, remove and allow resettable per-player maps
		1401	return 1e99 if $self->{path}{user_rel};
		1402	return 1e99 if $self->{deny_reset};
		1403
		1404	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1405	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;
		1406
		1407	$time + $to
		1408	}
		1409
		1410	sub should_reset {
		1411	my ($self) = @_;
		1412
		1413	$self->reset_at <= $cf::RUNTIME
		1414	}
		1415
		1416	sub unlink_save {
		1417	my ($self) = @_;
		1418
		1419	utf8::encode (my $save = $self->{path}->save_path);
		1420	aioreq_pri 3; IO::AIO::aio_unlink $save;
		1421	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
		1422	}
		1423
		1424	sub rename {
		1425	my ($self, $new_path) = @_;
		1426
		1427	$self->unlink_save;
		1428
		1429	delete $cf::MAP{$self->path};
		1430	$self->{path} = new cf::path $new_path;
		1431	$self->path ($self->{path}->as_string);
		1432	$cf::MAP{$self->path} = $self;
		1433
		1434	$self->save;
		1435	}
		1436
		1437	sub reset {
		1438	my ($self) = @_;
		1439
		1440	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1441
		1442	return if $self->players;
		1443	return if $self->{path}{user_rel};#d#
		1444
		1445	warn "resetting map ", $self->path;#d#
		1446
		1447	delete $cf::MAP{$self->path};
		1448
		1449	$_->clear_links_to ($self) for values %cf::MAP;
		1450
		1451	$self->unlink_save;
		1452	$self->destroy;
		1453	}
		1454
		1455	my $nuke_counter = "aaaa";
		1456
		1457	sub nuke {
		1458	my ($self) = @_;
		1459
		1460	$self->{deny_save} = 1;
		1461	$self->reset_timeout (1);
		1462	$self->rename ("{nuke}/" . ($nuke_counter++));
		1463	$self->reset; # polite request, might not happen
		1464	}
		1465
		1466	sub customise_for {
		1467	my ($map, $ob) = @_;
		1468
		1469	if ($map->per_player) {
		1470	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
		1471	}
		1472
		1473	$map
		1474	}
		1475
		1476	sub emergency_save {
		1477	my $freeze_guard = cf::freeze_mainloop;
		1478
		1479	warn "enter emergency map save\n";
		1480
		1481	cf::sync_job {
		1482	warn "begin emergency map save\n";
		1483	$_->save for values %cf::MAP;
		1484	};
		1485
		1486	warn "end emergency map save\n";
		1487	}
		1488
		1489	package cf;
		1490
		1491	=back
		1492
1028		1493
1029	=head3 cf::object::player	1494	=head3 cf::object::player
1030		1495
1031	=over 4	1496	=over 4
1032		1497
…		…
1068	(ref $cf::CFG{"may_$access"}	1533	(ref $cf::CFG{"may_$access"}
1069	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1534	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1070	: $cf::CFG{"may_$access"})	1535	: $cf::CFG{"may_$access"})
1071	}	1536	}
1072		1537
		1538	=item $player_object->enter_link
		1539
		1540	Freezes the player and moves him/her to a special map (C<{link}>).
		1541
		1542	The player should be reaosnably safe there for short amounts of time. You
		1543	I<MUST> call C<leave_link> as soon as possible, though.
		1544
		1545	=item $player_object->leave_link ($map, $x, $y)
		1546
		1547	Moves the player out of the specila link map onto the given map. If the
		1548	map is not valid (or omitted), the player will be moved back to the
		1549	location he/she was before the call to C<enter_link>, or, if that fails,
		1550	to the emergency map position.
		1551
		1552	Might block.
		1553
		1554	=cut
		1555
		1556	sub cf::object::player::enter_link {
		1557	my ($self) = @_;
		1558
		1559	$self->deactivate_recursive;
		1560
		1561	return if $self->map == $LINK_MAP;
		1562
		1563	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]
		1564	if $self->map;
		1565
		1566	$self->enter_map ($LINK_MAP, 20, 20);
		1567	}
		1568
		1569	sub cf::object::player::leave_link {
		1570	my ($self, $map, $x, $y) = @_;
		1571
		1572	my $link_pos = delete $self->{_link_pos};
		1573
		1574	unless ($map) {
		1575	# restore original map position
		1576	($map, $x, $y) = @{ $link_pos \|\| [] };
		1577	$map = cf::map::find $map;
		1578
		1579	unless ($map) {
		1580	($map, $x, $y) = @$EMERGENCY_POSITION;
		1581	$map = cf::map::find $map
		1582	or die "FATAL: cannot load emergency map\n";
		1583	}
		1584	}
		1585
		1586	($x, $y) = (-1, -1)
		1587	unless (defined $x) && (defined $y);
		1588
		1589	# use -1 or undef as default coordinates, not 0, 0
		1590	($x, $y) = ($map->enter_x, $map->enter_y)
		1591	if $x <=0 && $y <= 0;
		1592
		1593	$map->load;
		1594
		1595	return unless $self->contr->active;
		1596	$self->activate_recursive;
		1597	$self->enter_map ($map, $x, $y);
		1598	}
		1599
		1600	cf::player->attach (
		1601	on_logout => sub {
		1602	my ($pl) = @_;
		1603
		1604	# abort map switching before logout
		1605	if ($pl->ob->{_link_pos}) {
		1606	cf::sync_job {
		1607	$pl->ob->leave_link
		1608	};
		1609	}
		1610	},
		1611	on_login => sub {
		1612	my ($pl) = @_;
		1613
		1614	# try to abort aborted map switching on player login :)
		1615	# should happen only on crashes
		1616	if ($pl->ob->{_link_pos}) {
		1617	$pl->ob->enter_link;
		1618	(async {
		1619	# we need this sleep as the login has a concurrent enter_exit running
		1620	# and this sleep increases chances of the player not ending up in scorn
		1621	$pl->ob->reply (undef,
		1622	"There was an internal problem at your last logout, "
		1623	. "the server will try to bring you to your intended destination in a second.",
		1624	cf::NDI_RED);
		1625	Coro::Timer::sleep 1;
		1626	$pl->ob->leave_link;
		1627	})->prio (2);
		1628	}
		1629	},
		1630	);
		1631
		1632	=item $player_object->goto ($path, $x, $y)
		1633
		1634	=cut
		1635
		1636	sub cf::object::player::goto {
		1637	my ($self, $path, $x, $y) = @_;
		1638
		1639	$self->enter_link;
		1640
		1641	(async {
		1642	$path = new cf::path $path;
		1643
		1644	my $map = cf::map::find $path->as_string;
		1645	$map = $map->customise_for ($self) if $map;
		1646
		1647	# warn "entering ", $map->path, " at ($x, $y)\n"
		1648	# if $map;
		1649
		1650	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
		1651
		1652	$self->leave_link ($map, $x, $y);
		1653	})->prio (1);
		1654	}
		1655
		1656	=item $player_object->enter_exit ($exit_object)
		1657
		1658	=cut
		1659
		1660	sub parse_random_map_params {
		1661	my ($spec) = @_;
		1662
		1663	my $rmp = { # defaults
		1664	xsize => 10,
		1665	ysize => 10,
		1666	};
		1667
		1668	for (split /\n/, $spec) {
		1669	my ($k, $v) = split /\s+/, $_, 2;
		1670
		1671	$rmp->{lc $k} = $v if (length $k) && (length $v);
		1672	}
		1673
		1674	$rmp
		1675	}
		1676
		1677	sub prepare_random_map {
		1678	my ($exit) = @_;
		1679
		1680	# all this does is basically replace the /! path by
		1681	# a new random map path (?random/...) with a seed
		1682	# that depends on the exit object
		1683
		1684	my $rmp = parse_random_map_params $exit->msg;
		1685
		1686	if ($exit->map) {
		1687	$rmp->{region} = $exit->map->region_name;
		1688	$rmp->{origin_map} = $exit->map->path;
		1689	$rmp->{origin_x} = $exit->x;
		1690	$rmp->{origin_y} = $exit->y;
		1691	}
		1692
		1693	$rmp->{random_seed} \|\|= $exit->random_seed;
		1694
		1695	my $data = cf::to_json $rmp;
		1696	my $md5 = Digest::MD5::md5_hex $data;
		1697
		1698	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY \| O_CREAT, 0666) {
		1699	aio_write $fh, 0, (length $data), $data, 0;
		1700
		1701	$exit->slaying ("?random/$md5");
		1702	$exit->msg (undef);
		1703	}
		1704	}
		1705
		1706	sub cf::object::player::enter_exit {
		1707	my ($self, $exit) = @_;
		1708
		1709	return unless $self->type == cf::PLAYER;
		1710
		1711	$self->enter_link;
		1712
		1713	(async {
		1714	$self->deactivate_recursive; # just to be sure
		1715	unless (eval {
		1716	prepare_random_map $exit
		1717	if $exit->slaying eq "/!";
		1718
		1719	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
		1720	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
		1721
		1722	1;
		1723	}) {
		1724	$self->message ("Something went wrong deep within the crossfire server. "
		1725	. "I'll try to bring you back to the map you were before. "
		1726	. "Please report this to the dungeon master",
		1727	cf::NDI_UNIQUE \| cf::NDI_RED);
		1728
		1729	warn "ERROR in enter_exit: $@";
		1730	$self->leave_link;
		1731	}
		1732	})->prio (1);
		1733	}
		1734
1073	=head3 cf::client	1735	=head3 cf::client
1074		1736
1075	=over 4	1737	=over 4
1076		1738
1077	=item $client->send_drawinfo ($text, $flags)	1739	=item $client->send_drawinfo ($text, $flags)
…		…
1120	on_reply => sub {	1782	on_reply => sub {
1121	my ($ns, $msg) = @_;	1783	my ($ns, $msg) = @_;
1122		1784
1123	# this weird shuffling is so that direct followup queries	1785	# this weird shuffling is so that direct followup queries
1124	# get handled first	1786	# get handled first
1125	my $queue = delete $ns->{query_queue};	1787	my $queue = delete $ns->{query_queue}
		1788	or return; # be conservative, not sure how that can happen, but we saw a crash here
1126		1789
1127	(shift @$queue)->[1]->($msg);	1790	(shift @$queue)->[1]->($msg);
1128		1791
1129	push @{ $ns->{query_queue} }, @$queue;	1792	push @{ $ns->{query_queue} }, @$queue;
1130		1793
…		…
1136	}	1799	}
1137	}	1800	}
1138	},	1801	},
1139	);	1802	);
1140		1803
1141	=item $client->coro (\&cb)	1804	=item $client->async (\&cb)
1142		1805
1143	Create a new coroutine, running the specified callback. The coroutine will	1806	Create a new coroutine, running the specified callback. The coroutine will
1144	be automatically cancelled when the client gets destroyed (e.g. on logout,	1807	be automatically cancelled when the client gets destroyed (e.g. on logout,
1145	or loss of connection).	1808	or loss of connection).
1146		1809
1147	=cut	1810	=cut
1148		1811
1149	sub cf::client::coro {	1812	sub cf::client::async {
1150	my ($self, $cb) = @_;	1813	my ($self, $cb) = @_;
1151		1814
1152	my $coro; $coro = async {	1815	my $coro = &Coro::async ($cb);
1153	eval {
1154	$cb->();
1155	};
1156	warn $@ if $@;
1157	};
1158		1816
1159	$coro->on_destroy (sub {	1817	$coro->on_destroy (sub {
1160	delete $self->{_coro}{$coro+0};	1818	delete $self->{_coro}{$coro+0};
1161	});	1819	});
1162		1820
…		…
1334		1992
1335	{	1993	{
1336	my $path = cf::localdir . "/database.pst";	1994	my $path = cf::localdir . "/database.pst";
1337		1995
1338	sub db_load() {	1996	sub db_load() {
1339	warn "loading database $path\n";#d# remove later
1340	$DB = stat $path ? Storable::retrieve $path : { };	1997	$DB = stat $path ? Storable::retrieve $path : { };
1341	}	1998	}
1342		1999
1343	my $pid;	2000	my $pid;
1344		2001
1345	sub db_save() {	2002	sub db_save() {
1346	warn "saving database $path\n";#d# remove later
1347	waitpid $pid, 0 if $pid;	2003	waitpid $pid, 0 if $pid;
1348	if (0 == ($pid = fork)) {	2004	if (0 == ($pid = fork)) {
1349	$DB->{_meta}{version} = 1;	2005	$DB->{_meta}{version} = 1;
1350	Storable::nstore $DB, "$path~";	2006	Storable::nstore $DB, "$path~";
1351	rename "$path~", $path;	2007	rename "$path~", $path;
…		…
1399	open my $fh, "<:utf8", cf::confdir . "/config"	2055	open my $fh, "<:utf8", cf::confdir . "/config"
1400	or return;	2056	or return;
1401		2057
1402	local $/;	2058	local $/;
1403	*CFG = YAML::Syck::Load <$fh>;	2059	*CFG = YAML::Syck::Load <$fh>;
		2060
		2061	$EMERGENCY_POSITION = $CFG{emergency_position} \|\| ["/world/world_105_115", 5, 37];
		2062
		2063	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2064	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2065
		2066	if (exists $CFG{mlockall}) {
		2067	eval {
		2068	$CFG{mlockall} ? &mlockall : &munlockall
		2069	and die "WARNING: m(un)lockall failed: $!\n";
		2070	};
		2071	warn $@ if $@;
		2072	}
1404	}	2073	}
1405		2074
1406	sub main {	2075	sub main {
1407	# we must not ever block the main coroutine	2076	# we must not ever block the main coroutine
1408	local $Coro::idle = sub {	2077	local $Coro::idle = sub {
1409	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2078	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1410	(Coro::unblock_sub {
1411	Event::one_event;	2079	async { Event::one_event };
1412	})->();
1413	};	2080	};
1414		2081
1415	cfg_load;	2082	cfg_load;
1416	db_load;	2083	db_load;
1417	load_extensions;	2084	load_extensions;
…		…
1419	}	2086	}
1420		2087
1421	#############################################################################	2088	#############################################################################
1422	# initialisation	2089	# initialisation
1423		2090
1424	sub perl_reload() {	2091	sub reload() {
1425	# can/must only be called in main	2092	# can/must only be called in main
1426	if ($Coro::current != $Coro::main) {	2093	if ($Coro::current != $Coro::main) {
1427	warn "can only reload from main coroutine\n";	2094	warn "can only reload from main coroutine\n";
1428	return;	2095	return;
1429	}	2096	}
1430		2097
1431	warn "reloading...";	2098	warn "reloading...";
1432		2099
1433	local $FREEZE = 1;	2100	my $guard = freeze_mainloop;
1434	cf::emergency_save;	2101	cf::emergency_save;
1435		2102
1436	eval {	2103	eval {
1437	# if anything goes wrong in here, we should simply crash as we already saved	2104	# if anything goes wrong in here, we should simply crash as we already saved
1438		2105
…		…
1522	$LINK_MAP->height (41);	2189	$LINK_MAP->height (41);
1523	$LINK_MAP->alloc;	2190	$LINK_MAP->alloc;
1524	$LINK_MAP->path ("{link}");	2191	$LINK_MAP->path ("{link}");
1525	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";	2192	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1526	$LINK_MAP->in_memory (MAP_IN_MEMORY);	2193	$LINK_MAP->in_memory (MAP_IN_MEMORY);
		2194
		2195	# dirty hack because... archetypes are not yet loaded
		2196	Event->timer (
		2197	after => 10,
		2198	cb => sub {
		2199	$_[0]->w->cancel;
		2200
		2201	# provide some exits "home"
		2202	my $exit = cf::object::new "exit";
		2203
		2204	$exit->slaying ($EMERGENCY_POSITION->[0]);
		2205	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
		2206	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
		2207
		2208	$LINK_MAP->insert ($exit->clone, 19, 19);
		2209	$LINK_MAP->insert ($exit->clone, 19, 20);
		2210	$LINK_MAP->insert ($exit->clone, 19, 21);
		2211	$LINK_MAP->insert ($exit->clone, 20, 19);
		2212	$LINK_MAP->insert ($exit->clone, 20, 21);
		2213	$LINK_MAP->insert ($exit->clone, 21, 19);
		2214	$LINK_MAP->insert ($exit->clone, 21, 20);
		2215	$LINK_MAP->insert ($exit->clone, 21, 21);
		2216
		2217	$exit->destroy;
		2218	});
		2219
		2220	$LINK_MAP->{deny_save} = 1;
		2221	$LINK_MAP->{deny_reset} = 1;
		2222
		2223	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1527	}	2224	}
1528		2225
1529	register "<global>", __PACKAGE__;	2226	register "<global>", __PACKAGE__;
1530		2227
1531	register_command "perl-reload" => sub {	2228	register_command "reload" => sub {
1532	my ($who, $arg) = @_;	2229	my ($who, $arg) = @_;
1533		2230
1534	if ($who->flag (FLAG_WIZ)) {	2231	if ($who->flag (FLAG_WIZ)) {
1535	$who->message ("start of reload.");	2232	$who->message ("start of reload.");
1536	perl_reload;	2233	reload;
1537	$who->message ("end of reload.");	2234	$who->message ("end of reload.");
1538	}	2235	}
1539	};	2236	};
1540		2237
1541	unshift @INC, $LIBDIR;	2238	unshift @INC, $LIBDIR;
…		…
1544	reentrant => 0,	2241	reentrant => 0,
1545	prio => 0,	2242	prio => 0,
1546	at => $NEXT_TICK \|\| $TICK,	2243	at => $NEXT_TICK \|\| $TICK,
1547	data => WF_AUTOCANCEL,	2244	data => WF_AUTOCANCEL,
1548	cb => sub {	2245	cb => sub {
1549	unless ($FREEZE) {
1550	cf::server_tick; # one server iteration	2246	cf::server_tick; # one server iteration
1551	$RUNTIME += $TICK;	2247	$RUNTIME += $TICK;
1552	}
1553
1554	$NEXT_TICK += $TICK;	2248	$NEXT_TICK += $TICK;
1555		2249
1556	# if we are delayed by four ticks or more, skip them all	2250	# if we are delayed by four ticks or more, skip them all
1557	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2251	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1558		2252
…		…
1581	or warn "ERROR: unable to write runtime file: $!";	2275	or warn "ERROR: unable to write runtime file: $!";
1582	})->();	2276	})->();
1583	},	2277	},
1584	);	2278	);
1585		2279
		2280	END { cf::emergency_save }
		2281
1586	1	2282	1
1587		2283

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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 1.143 by root, Sun Jan 7 02:39:14 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 1.143 by root, Sun Jan 7 02:39:14 2007 UTC