[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 1.145 by root, Sun Jan 7 21:54:59 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 2.32 ();
22	use YAML::Syck ();	23	use YAML::Syck ();
23	use Time::HiRes;	24	use Time::HiRes;
24		25
25	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
26		27
27	# 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?
28	$YAML::Syck::ImplicitUnicode = 1;	29	$YAML::Syck::ImplicitUnicode = 1;
29		30
30	$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
31		32
32	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
33		34
34	our %COMMAND = ();	35	our %COMMAND = ();
35	our %COMMAND_TIME = ();	36	our %COMMAND_TIME = ();
…		…
46	our %CFG;	47	our %CFG;
47		48
48	our $UPTIME; $UPTIME \|\|= time;	49	our $UPTIME; $UPTIME \|\|= time;
49	our $RUNTIME;	50	our $RUNTIME;
50		51
		52	our %PLAYER; # all users
51	our %MAP; # all maps	53	our %MAP; # all maps
52	our $LINK_MAP; # the special {link} map	54	our $LINK_MAP; # the special {link} map
53	our $FREEZE;	55	our $RANDOM_MAPS = cf::localdir . "/random";
		56	our %EXT_CORO; # coroutines bound to extensions
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 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	$guard
		233	}
		234
		235	=item cf::async { BLOCK }
		236
		237	Currently the same as Coro::async_pool, meaning you cannot use
		238	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		239	thing you are allowed to do is call C<prio> on it.
		240
		241	=cut
		242
		243	BEGIN { *async = \&Coro::async_pool }
		244
179	=item cf::sync_job { BLOCK }	245	=item cf::sync_job { BLOCK }
180		246
181	The design of crossfire+ requires that the main coro ($Coro::main) is	247	The design of crossfire+ requires that the main coro ($Coro::main) is
182	always able to handle events or runnable, as crossfire+ is only partly	248	always able to handle events or runnable, as crossfire+ is only partly
183	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	249	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.
…		…
190	=cut	256	=cut
191		257
192	sub sync_job(&) {	258	sub sync_job(&) {
193	my ($job) = @_;	259	my ($job) = @_;
194		260
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 == $Coro::main) {	261	if ($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;
208	$coro->prio (Coro::PRIO_MAX);	276	})->prio (Coro::PRIO_MAX);
		277
209	while ($busy) {	278	while ($busy) {
210	Coro::cede_notself;	279	Coro::cede or Event::one_event;
211	Event::one_event unless Coro::nready;
212	}	280	}
		281
		282	wantarray ? @res : $res[0]
213	} else {	283	} else {
214	$coro->join;	284	# we are in another coroutine, how wonderful, everything just works
		285
		286	$job->()
215	}	287	}
216
217	wantarray ? @res : $res[0]
218	}	288	}
219		289
220	=item $coro = cf::coro { BLOCK }	290	=item $coro = cf::async_ext { BLOCK }
221		291
222	Creates and returns a new coro. This coro is automcatially being canceled	292	Like async, but this coro is automcatially being canceled when the
223	when the extension calling this is being unloaded.	293	extension calling this is being unloaded.
224		294
225	=cut	295	=cut
226		296
227	sub coro(&) {	297	sub async_ext(&) {
228	my $cb = shift;	298	my $cb = shift;
229		299
230	my $coro; $coro = async {	300	my $coro = &Coro::async ($cb);
231	eval {
232	$cb->();
233	};
234	warn $@ if $@;
235	};
236		301
237	$coro->on_destroy (sub {	302	$coro->on_destroy (sub {
238	delete $EXT_CORO{$coro+0};	303	delete $EXT_CORO{$coro+0};
239	});	304	});
240	$EXT_CORO{$coro+0} = $coro;	305	$EXT_CORO{$coro+0} = $coro;
241		306
242	$coro	307	$coro
243	}	308	}
244		309
		310	sub write_runtime {
		311	my $runtime = cf::localdir . "/runtime";
		312
		313	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644
		314	or return;
		315
		316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock
		317	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		318	and return;
		319
		320	aio_fsync $fh
		321	and return;
		322
		323	close $fh
		324	or return;
		325
		326	aio_rename "$runtime~", $runtime
		327	and return;
		328
		329	1
		330	}
		331
245	=back	332	=back
246		333
247	=cut	334	=cut
		335
		336	#############################################################################
		337
		338	package cf::path;
		339
		340	sub new {
		341	my ($class, $path, $base) = @_;
		342
		343	$path = $path->as_string if ref $path;
		344
		345	my $self = bless { }, $class;
		346
		347	# {... are special paths that are not touched
		348	# ?xxx/... are special absolute paths
		349	# ?random/... random maps
		350	# /! non-realised random map exit
		351	# /... normal maps
		352	# ~/... per-player maps without a specific player (DO NOT USE)
		353	# ~user/... per-player map of a specific user
		354
		355	if ($path =~ /^{/) {
		356	# fine as it is
		357	} elsif ($path =~ s{^\?random/}{}) {
		358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
		359	$self->{random} = cf::from_json $data;
		360	} else {
		361	if ($path =~ s{^~([^/]+)?}{}) {
		362	$self->{user_rel} = 1;
		363
		364	if (defined $1) {
		365	$self->{user} = $1;
		366	} elsif ($base =~ m{^~([^/]+)/}) {
		367	$self->{user} = $1;
		368	} else {
		369	warn "cannot resolve user-relative path without user <$path,$base>\n";
		370	}
		371	} elsif ($path =~ /^\//) {
		372	# already absolute
		373	} else {
		374	$base =~ s{[^/]+/?$}{};
		375	return $class->new ("$base/$path");
		376	}
		377
		378	for ($path) {
		379	redo if s{/\.?/}{/};
		380	redo if s{/[^/]+/\.\./}{/};
		381	}
		382	}
		383
		384	$self->{path} = $path;
		385
		386	$self
		387	}
		388
		389	# the name / primary key / in-game path
		390	sub as_string {
		391	my ($self) = @_;
		392
		393	$self->{user_rel} ? "~$self->{user}$self->{path}"
		394	: $self->{random} ? "?random/$self->{path}"
		395	: $self->{path}
		396	}
		397
		398	# the displayed name, this is a one way mapping
		399	sub visible_name {
		400	my ($self) = @_;
		401
		402	# if (my $rmp = $self->{random}) {
		403	# # todo: be more intelligent about this
		404	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
		405	# } else {
		406	$self->as_string
		407	# }
		408	}
		409
		410	# escape the /'s in the path
		411	sub _escaped_path {
		412	# ∕ is U+2215
		413	(my $path = $_[0]{path}) =~ s/\//∕/g;
		414	$path
		415	}
		416
		417	# the original (read-only) location
		418	sub load_path {
		419	my ($self) = @_;
		420
		421	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		422	}
		423
		424	# the temporary/swap location
		425	sub save_path {
		426	my ($self) = @_;
		427
		428	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
		429	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
		430	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
		431	}
		432
		433	# the unique path, might be eq to save_path
		434	sub uniq_path {
		435	my ($self) = @_;
		436
		437	$self->{user_rel} \|\| $self->{random}
		438	? undef
		439	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
		440	}
		441
		442	# return random map parameters, or undef
		443	sub random_map_params {
		444	my ($self) = @_;
		445
		446	$self->{random}
		447	}
		448
		449	# this is somewhat ugly, but style maps do need special treatment
		450	sub is_style_map {
		451	$_[0]{path} =~ m{^/styles/}
		452	}
		453
		454	package cf;
248		455
249	#############################################################################	456	#############################################################################
250		457
251	=head2 ATTACHABLE OBJECTS	458	=head2 ATTACHABLE OBJECTS
252		459
…		…
660	or return;	867	or return;
661		868
662	unless (aio_stat "$filename.pst") {	869	unless (aio_stat "$filename.pst") {
663	(aio_load "$filename.pst", $av) >= 0	870	(aio_load "$filename.pst", $av) >= 0
664	or return;	871	or return;
665	$av = eval { (Storable::thaw <$av>)->{objs} };	872	$av = eval { (Storable::thaw $av)->{objs} };
666	}	873	}
667		874
		875	warn sprintf "loading %s (%d)\n",
		876	$filename, length $data, scalar @{$av \|\| []};#d#
668	return ($data, $av);	877	return ($data, $av);
669	}	878	}
670		879
671	#############################################################################	880	#############################################################################
672	# command handling &c	881	# command handling &c
…		…
863		1072
864	=head2 CORE EXTENSIONS	1073	=head2 CORE EXTENSIONS
865		1074
866	Functions and methods that extend core crossfire objects.	1075	Functions and methods that extend core crossfire objects.
867		1076
		1077	=cut
		1078
		1079	package cf::player;
		1080
868	=head3 cf::player	1081	=head3 cf::player
869		1082
870	=over 4	1083	=over 4
871		1084
872	=item cf::player::exists $login	1085	=item cf::player::find $login
873		1086
874	Returns true when the given account exists.	1087	Returns the given player object, loading it if necessary (might block).
875		1088
876	=cut	1089	=cut
877		1090
878	sub cf::player::exists($) {	1091	sub playerdir($) {
879	cf::player::find $_[0]	1092	cf::localdir
880	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	1093	. "/"
		1094	. cf::playerdir
		1095	. "/"
		1096	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1097	}
		1098
		1099	sub path($) {
		1100	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1101
		1102	(playerdir $login) . "/$login.pl"
		1103	}
		1104
		1105	sub find_active($) {
		1106	$cf::PLAYER{$_[0]}
		1107	and $cf::PLAYER{$_[0]}->active
		1108	and $cf::PLAYER{$_[0]}
		1109	}
		1110
		1111	sub exists($) {
		1112	my ($login) = @_;
		1113
		1114	$cf::PLAYER{$login}
		1115	or cf::sync_job { !aio_stat $login }
		1116	}
		1117
		1118	sub find($) {
		1119	return $cf::PLAYER{$_[0]} \|\| do {
		1120	my $login = $_[0];
		1121
		1122	my $guard = cf::lock_acquire "user_find:$login";
		1123
		1124	$cf::PLAYER{$login} \|\|= (load_pl path $login or return);
		1125	};
		1126	}
		1127
		1128	sub save($) {
		1129	my ($pl) = @_;
		1130
		1131	return if $pl->{deny_save};
		1132
		1133	my $path = path $pl;
		1134	my $guard = cf::lock_acquire "user_save:$path";
		1135
		1136	return if $pl->{deny_save};
		1137	$pl->{last_save} = $cf::RUNTIME;
		1138
		1139	Coro::cede;
		1140	$pl->save_pl ($path);
		1141	Coro::cede;
		1142	}
		1143
		1144	sub new($) {
		1145	my ($login) = @_;
		1146
		1147	my $self = create;
		1148
		1149	$self->ob->name ($login);
		1150	$self->{deny_save} = 1;
		1151
		1152	$cf::PLAYER{$login} = $self;
		1153
		1154	$self
		1155	}
		1156
		1157	sub quit_character {
		1158	my ($pl) = @_;
		1159
		1160	$pl->{deny_save} = 1;
		1161	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1162
		1163	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1164	$pl->deactivate;
		1165	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1166	$pl->ns->destroy if $pl->ns;
		1167
		1168	my $path = playerdir $pl;
		1169	my $temp = "$path~$cf::RUNTIME~deleting~";
		1170	IO::AIO::aio_rename $path, $temp, sub {
		1171	delete $cf::PLAYER{$pl->ob->name};
		1172	$pl->destroy;
		1173
		1174	IO::AIO::aio_rmtree $temp;
		1175	};
881	}	1176	}
882		1177
883	=item $player->ext_reply ($msgid, $msgtype, %msg)	1178	=item $player->ext_reply ($msgid, $msgtype, %msg)
884		1179
885	Sends an ext reply to the player.	1180	Sends an ext reply to the player.
886		1181
887	=cut	1182	=cut
888		1183
889	sub cf::player::ext_reply($$$%) {	1184	sub ext_reply($$$%) {
890	my ($self, $id, %msg) = @_;	1185	my ($self, $id, %msg) = @_;
891		1186
892	$msg{msgid} = $id;	1187	$msg{msgid} = $id;
893		1188
894	$self->send ("ext " . to_json \%msg);	1189	$self->send ("ext " . cf::to_json \%msg);
895	}	1190	}
		1191
		1192	package cf;
896		1193
897	=back	1194	=back
		1195
		1196
		1197	=head3 cf::map
		1198
		1199	=over 4
		1200
		1201	=cut
		1202
		1203	package cf::map;
		1204
		1205	use Fcntl;
		1206	use Coro::AIO;
		1207
		1208	our $MAX_RESET = 3600;
		1209	our $DEFAULT_RESET = 3000;
		1210
		1211	sub generate_random_map {
		1212	my ($path, $rmp) = @_;
		1213
		1214	# mit "rum" bekleckern, nicht
		1215	cf::map::_create_random_map
		1216	$path,
		1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
		1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
		1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
		1220	$rmp->{exit_on_final_map},
		1221	$rmp->{xsize}, $rmp->{ysize},
		1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
		1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
		1224	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
		1225	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
		1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
		1227	(cf::region::find $rmp->{region})
		1228	}
		1229
		1230	# and all this just because we cannot iterate over
		1231	# all maps in C++...
		1232	sub change_all_map_light {
		1233	my ($change) = @_;
		1234
		1235	$_->change_map_light ($change)
		1236	for grep $_->outdoor, values %cf::MAP;
		1237	}
		1238
		1239	sub try_load_header($) {
		1240	my ($path) = @_;
		1241
		1242	utf8::encode $path;
		1243	aio_open $path, O_RDONLY, 0
		1244	or return;
		1245
		1246	my $map = cf::map::new
		1247	or return;
		1248
		1249	# for better error messages only, will be overwritten
		1250	$map->path ($path);
		1251
		1252	$map->load_header ($path)
		1253	or return;
		1254
		1255	$map->{load_path} = $path;
		1256
		1257	$map
		1258	}
		1259
		1260	sub find;
		1261	sub find {
		1262	my ($path, $origin) = @_;
		1263
		1264	#warn "find<$path,$origin>\n";#d#
		1265
		1266	$path = new cf::path $path, $origin && $origin->path;
		1267	my $key = $path->as_string;
		1268
		1269	cf::lock_wait "map_find:$key";
		1270
		1271	$cf::MAP{$key} \|\| do {
		1272	my $guard = cf::lock_acquire "map_find:$key";
		1273
		1274	# do it the slow way
		1275	my $map = try_load_header $path->save_path;
		1276
		1277	Coro::cede;
		1278
		1279	if ($map) {
		1280	$map->last_access ((delete $map->{last_access})
		1281	\|\| $cf::RUNTIME); #d#
		1282	# safety
		1283	$map->{instantiate_time} = $cf::RUNTIME
		1284	if $map->{instantiate_time} > $cf::RUNTIME;
		1285	} else {
		1286	if (my $rmp = $path->random_map_params) {
		1287	$map = generate_random_map $key, $rmp;
		1288	} else {
		1289	$map = try_load_header $path->load_path;
		1290	}
		1291
		1292	$map or return;
		1293
		1294	$map->{load_original} = 1;
		1295	$map->{instantiate_time} = $cf::RUNTIME;
		1296	$map->last_access ($cf::RUNTIME);
		1297	$map->instantiate;
		1298
		1299	# per-player maps become, after loading, normal maps
		1300	$map->per_player (0) if $path->{user_rel};
		1301	}
		1302
		1303	$map->path ($key);
		1304	$map->{path} = $path;
		1305	$map->{last_save} = $cf::RUNTIME;
		1306
		1307	Coro::cede;
		1308
		1309	if ($map->should_reset) {
		1310	$map->reset;
		1311	undef $guard;
		1312	$map = find $path
		1313	or return;
		1314	}
		1315
		1316	$cf::MAP{$key} = $map
		1317	}
		1318	}
		1319
		1320	sub load {
		1321	my ($self) = @_;
		1322
		1323	my $path = $self->{path};
		1324	my $guard = cf::lock_acquire "map_load:" . $path->as_string;
		1325
		1326	return if $self->in_memory != cf::MAP_SWAPPED;
		1327
		1328	$self->in_memory (cf::MAP_LOADING);
		1329
		1330	$self->alloc;
		1331	$self->load_objects ($self->{load_path}, 1)
		1332	or return;
		1333
		1334	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1335	if delete $self->{load_original};
		1336
		1337	if (my $uniq = $path->uniq_path) {
		1338	utf8::encode $uniq;
		1339	if (aio_open $uniq, O_RDONLY, 0) {
		1340	$self->clear_unique_items;
		1341	$self->load_objects ($uniq, 0);
		1342	}
		1343	}
		1344
		1345	Coro::cede;
		1346
		1347	# now do the right thing for maps
		1348	$self->link_multipart_objects;
		1349
		1350	if ($self->{path}->is_style_map) {
		1351	$self->{deny_save} = 1;
		1352	$self->{deny_reset} = 1;
		1353	} else {
		1354	$self->fix_auto_apply;
		1355	$self->decay_objects;
		1356	$self->update_buttons;
		1357	$self->set_darkness_map;
		1358	$self->difficulty ($self->estimate_difficulty)
		1359	unless $self->difficulty;
		1360	$self->activate;
		1361	}
		1362
		1363	Coro::cede;
		1364
		1365	$self->in_memory (cf::MAP_IN_MEMORY);
		1366	}
		1367
		1368	sub find_sync {
		1369	my ($path, $origin) = @_;
		1370
		1371	cf::sync_job { cf::map::find $path, $origin }
		1372	}
		1373
		1374	sub do_load_sync {
		1375	my ($map) = @_;
		1376
		1377	cf::sync_job { $map->load };
		1378	}
		1379
		1380	sub save {
		1381	my ($self) = @_;
		1382
		1383	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1384
		1385	$self->{last_save} = $cf::RUNTIME;
		1386
		1387	return unless $self->dirty;
		1388
		1389	my $save = $self->{path}->save_path; utf8::encode $save;
		1390	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
		1391
		1392	$self->{load_path} = $save;
		1393
		1394	return if $self->{deny_save};
		1395
		1396	local $self->{last_access} = $self->last_access;#d#
		1397
		1398	cf::async {
		1399	$_->contr->save for $self->players;
		1400	};
		1401
		1402	if ($uniq) {
		1403	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);
		1404	$self->save_objects ($uniq, cf::IO_UNIQUES);
		1405	} else {
		1406	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS \| cf::IO_UNIQUES);
		1407	}
		1408	}
		1409
		1410	sub swap_out {
		1411	my ($self) = @_;
		1412
		1413	# save first because save cedes
		1414	$self->save;
		1415
		1416	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1417
		1418	return if $self->players;
		1419	return if $self->in_memory != cf::MAP_IN_MEMORY;
		1420	return if $self->{deny_save};
		1421
		1422	$self->clear;
		1423	$self->in_memory (cf::MAP_SWAPPED);
		1424	}
		1425
		1426	sub reset_at {
		1427	my ($self) = @_;
		1428
		1429	# TODO: safety, remove and allow resettable per-player maps
		1430	return 1e99 if $self->{path}{user_rel};
		1431	return 1e99 if $self->{deny_reset};
		1432
		1433	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1434	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;
		1435
		1436	$time + $to
		1437	}
		1438
		1439	sub should_reset {
		1440	my ($self) = @_;
		1441
		1442	$self->reset_at <= $cf::RUNTIME
		1443	}
		1444
		1445	sub unlink_save {
		1446	my ($self) = @_;
		1447
		1448	utf8::encode (my $save = $self->{path}->save_path);
		1449	aioreq_pri 3; IO::AIO::aio_unlink $save;
		1450	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
		1451	}
		1452
		1453	sub rename {
		1454	my ($self, $new_path) = @_;
		1455
		1456	$self->unlink_save;
		1457
		1458	delete $cf::MAP{$self->path};
		1459	$self->{path} = new cf::path $new_path;
		1460	$self->path ($self->{path}->as_string);
		1461	$cf::MAP{$self->path} = $self;
		1462
		1463	$self->save;
		1464	}
		1465
		1466	sub reset {
		1467	my ($self) = @_;
		1468
		1469	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1470
		1471	return if $self->players;
		1472	return if $self->{path}{user_rel};#d#
		1473
		1474	warn "resetting map ", $self->path;#d#
		1475
		1476	delete $cf::MAP{$self->path};
		1477
		1478	$_->clear_links_to ($self) for values %cf::MAP;
		1479
		1480	$self->unlink_save;
		1481	$self->destroy;
		1482	}
		1483
		1484	my $nuke_counter = "aaaa";
		1485
		1486	sub nuke {
		1487	my ($self) = @_;
		1488
		1489	$self->{deny_save} = 1;
		1490	$self->reset_timeout (1);
		1491	$self->rename ("{nuke}/" . ($nuke_counter++));
		1492	$self->reset; # polite request, might not happen
		1493	}
		1494
		1495	sub customise_for {
		1496	my ($map, $ob) = @_;
		1497
		1498	if ($map->per_player) {
		1499	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
		1500	}
		1501
		1502	$map
		1503	}
		1504
		1505	sub emergency_save {
		1506	my $freeze_guard = cf::freeze_mainloop;
		1507
		1508	warn "enter emergency perl save\n";
		1509
		1510	cf::sync_job {
		1511	warn "begin emergency player save\n";
		1512	$_->save for values %cf::PLAYER;
		1513	warn "end emergency player save\n";
		1514
		1515	warn "begin emergency map save\n";
		1516	$_->save for values %cf::MAP;
		1517	warn "end emergency map save\n";
		1518	};
		1519
		1520	warn "leave emergency perl save\n";
		1521	}
		1522
		1523	package cf;
		1524
		1525	=back
		1526
898		1527
899	=head3 cf::object::player	1528	=head3 cf::object::player
900		1529
901	=over 4	1530	=over 4
902		1531
…		…
938	(ref $cf::CFG{"may_$access"}	1567	(ref $cf::CFG{"may_$access"}
939	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1568	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
940	: $cf::CFG{"may_$access"})	1569	: $cf::CFG{"may_$access"})
941	}	1570	}
942		1571
		1572	=item $player_object->enter_link
		1573
		1574	Freezes the player and moves him/her to a special map (C<{link}>).
		1575
		1576	The player should be reaosnably safe there for short amounts of time. You
		1577	I<MUST> call C<leave_link> as soon as possible, though.
		1578
		1579	=item $player_object->leave_link ($map, $x, $y)
		1580
		1581	Moves the player out of the specila link map onto the given map. If the
		1582	map is not valid (or omitted), the player will be moved back to the
		1583	location he/she was before the call to C<enter_link>, or, if that fails,
		1584	to the emergency map position.
		1585
		1586	Might block.
		1587
		1588	=cut
		1589
		1590	sub cf::object::player::enter_link {
		1591	my ($self) = @_;
		1592
		1593	$self->deactivate_recursive;
		1594
		1595	return if $self->map == $LINK_MAP;
		1596
		1597	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]
		1598	if $self->map;
		1599
		1600	$self->enter_map ($LINK_MAP, 20, 20);
		1601	}
		1602
		1603	sub cf::object::player::leave_link {
		1604	my ($self, $map, $x, $y) = @_;
		1605
		1606	my $link_pos = delete $self->{_link_pos};
		1607
		1608	unless ($map) {
		1609	# restore original map position
		1610	($map, $x, $y) = @{ $link_pos \|\| [] };
		1611	$map = cf::map::find $map;
		1612
		1613	unless ($map) {
		1614	($map, $x, $y) = @$EMERGENCY_POSITION;
		1615	$map = cf::map::find $map
		1616	or die "FATAL: cannot load emergency map\n";
		1617	}
		1618	}
		1619
		1620	($x, $y) = (-1, -1)
		1621	unless (defined $x) && (defined $y);
		1622
		1623	# use -1 or undef as default coordinates, not 0, 0
		1624	($x, $y) = ($map->enter_x, $map->enter_y)
		1625	if $x <=0 && $y <= 0;
		1626
		1627	$map->load;
		1628
		1629	return unless $self->contr->active;
		1630	$self->activate_recursive;
		1631	$self->enter_map ($map, $x, $y);
		1632	}
		1633
		1634	cf::player->attach (
		1635	on_logout => sub {
		1636	my ($pl) = @_;
		1637
		1638	# abort map switching before logout
		1639	if ($pl->ob->{_link_pos}) {
		1640	cf::sync_job {
		1641	$pl->ob->leave_link
		1642	};
		1643	}
		1644	},
		1645	on_login => sub {
		1646	my ($pl) = @_;
		1647
		1648	# try to abort aborted map switching on player login :)
		1649	# should happen only on crashes
		1650	if ($pl->ob->{_link_pos}) {
		1651	$pl->ob->enter_link;
		1652	(async {
		1653	# we need this sleep as the login has a concurrent enter_exit running
		1654	# and this sleep increases chances of the player not ending up in scorn
		1655	$pl->ob->reply (undef,
		1656	"There was an internal problem at your last logout, "
		1657	. "the server will try to bring you to your intended destination in a second.",
		1658	cf::NDI_RED);
		1659	Coro::Timer::sleep 1;
		1660	$pl->ob->leave_link;
		1661	})->prio (2);
		1662	}
		1663	},
		1664	);
		1665
		1666	=item $player_object->goto ($path, $x, $y)
		1667
		1668	=cut
		1669
		1670	sub cf::object::player::goto {
		1671	my ($self, $path, $x, $y) = @_;
		1672
		1673	$self->enter_link;
		1674
		1675	(async {
		1676	$path = new cf::path $path;
		1677
		1678	my $map = cf::map::find $path->as_string;
		1679	$map = $map->customise_for ($self) if $map;
		1680
		1681	# warn "entering ", $map->path, " at ($x, $y)\n"
		1682	# if $map;
		1683
		1684	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
		1685
		1686	$self->leave_link ($map, $x, $y);
		1687	})->prio (1);
		1688	}
		1689
		1690	=item $player_object->enter_exit ($exit_object)
		1691
		1692	=cut
		1693
		1694	sub parse_random_map_params {
		1695	my ($spec) = @_;
		1696
		1697	my $rmp = { # defaults
		1698	xsize => 10,
		1699	ysize => 10,
		1700	};
		1701
		1702	for (split /\n/, $spec) {
		1703	my ($k, $v) = split /\s+/, $_, 2;
		1704
		1705	$rmp->{lc $k} = $v if (length $k) && (length $v);
		1706	}
		1707
		1708	$rmp
		1709	}
		1710
		1711	sub prepare_random_map {
		1712	my ($exit) = @_;
		1713
		1714	# all this does is basically replace the /! path by
		1715	# a new random map path (?random/...) with a seed
		1716	# that depends on the exit object
		1717
		1718	my $rmp = parse_random_map_params $exit->msg;
		1719
		1720	if ($exit->map) {
		1721	$rmp->{region} = $exit->map->region_name;
		1722	$rmp->{origin_map} = $exit->map->path;
		1723	$rmp->{origin_x} = $exit->x;
		1724	$rmp->{origin_y} = $exit->y;
		1725	}
		1726
		1727	$rmp->{random_seed} \|\|= $exit->random_seed;
		1728
		1729	my $data = cf::to_json $rmp;
		1730	my $md5 = Digest::MD5::md5_hex $data;
		1731
		1732	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY \| O_CREAT, 0666) {
		1733	aio_write $fh, 0, (length $data), $data, 0;
		1734
		1735	$exit->slaying ("?random/$md5");
		1736	$exit->msg (undef);
		1737	}
		1738	}
		1739
		1740	sub cf::object::player::enter_exit {
		1741	my ($self, $exit) = @_;
		1742
		1743	return unless $self->type == cf::PLAYER;
		1744
		1745	$self->enter_link;
		1746
		1747	(async {
		1748	$self->deactivate_recursive; # just to be sure
		1749	unless (eval {
		1750	prepare_random_map $exit
		1751	if $exit->slaying eq "/!";
		1752
		1753	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
		1754	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
		1755
		1756	1;
		1757	}) {
		1758	$self->message ("Something went wrong deep within the crossfire server. "
		1759	. "I'll try to bring you back to the map you were before. "
		1760	. "Please report this to the dungeon master",
		1761	cf::NDI_UNIQUE \| cf::NDI_RED);
		1762
		1763	warn "ERROR in enter_exit: $@";
		1764	$self->leave_link;
		1765	}
		1766	})->prio (1);
		1767	}
		1768
943	=head3 cf::client	1769	=head3 cf::client
944		1770
945	=over 4	1771	=over 4
946		1772
947	=item $client->send_drawinfo ($text, $flags)	1773	=item $client->send_drawinfo ($text, $flags)
…		…
990	on_reply => sub {	1816	on_reply => sub {
991	my ($ns, $msg) = @_;	1817	my ($ns, $msg) = @_;
992		1818
993	# this weird shuffling is so that direct followup queries	1819	# this weird shuffling is so that direct followup queries
994	# get handled first	1820	# get handled first
995	my $queue = delete $ns->{query_queue};	1821	my $queue = delete $ns->{query_queue}
		1822	or return; # be conservative, not sure how that can happen, but we saw a crash here
996		1823
997	(shift @$queue)->[1]->($msg);	1824	(shift @$queue)->[1]->($msg);
998		1825
999	push @{ $ns->{query_queue} }, @$queue;	1826	push @{ $ns->{query_queue} }, @$queue;
1000		1827
…		…
1006	}	1833	}
1007	}	1834	}
1008	},	1835	},
1009	);	1836	);
1010		1837
1011	=item $client->coro (\&cb)	1838	=item $client->async (\&cb)
1012		1839
1013	Create a new coroutine, running the specified callback. The coroutine will	1840	Create a new coroutine, running the specified callback. The coroutine will
1014	be automatically cancelled when the client gets destroyed (e.g. on logout,	1841	be automatically cancelled when the client gets destroyed (e.g. on logout,
1015	or loss of connection).	1842	or loss of connection).
1016		1843
1017	=cut	1844	=cut
1018		1845
1019	sub cf::client::coro {	1846	sub cf::client::async {
1020	my ($self, $cb) = @_;	1847	my ($self, $cb) = @_;
1021		1848
1022	my $coro; $coro = async {	1849	my $coro = &Coro::async ($cb);
1023	eval {
1024	$cb->();
1025	};
1026	warn $@ if $@;
1027	};
1028		1850
1029	$coro->on_destroy (sub {	1851	$coro->on_destroy (sub {
1030	delete $self->{_coro}{$coro+0};	1852	delete $self->{_coro}{$coro+0};
1031	});	1853	});
1032		1854
…		…
1204		2026
1205	{	2027	{
1206	my $path = cf::localdir . "/database.pst";	2028	my $path = cf::localdir . "/database.pst";
1207		2029
1208	sub db_load() {	2030	sub db_load() {
1209	warn "loading database $path\n";#d# remove later
1210	$DB = stat $path ? Storable::retrieve $path : { };	2031	$DB = stat $path ? Storable::retrieve $path : { };
1211	}	2032	}
1212		2033
1213	my $pid;	2034	my $pid;
1214		2035
1215	sub db_save() {	2036	sub db_save() {
1216	warn "saving database $path\n";#d# remove later
1217	waitpid $pid, 0 if $pid;	2037	waitpid $pid, 0 if $pid;
1218	if (0 == ($pid = fork)) {	2038	if (0 == ($pid = fork)) {
1219	$DB->{_meta}{version} = 1;	2039	$DB->{_meta}{version} = 1;
1220	Storable::nstore $DB, "$path~";	2040	Storable::nstore $DB, "$path~";
1221	rename "$path~", $path;	2041	rename "$path~", $path;
…		…
1269	open my $fh, "<:utf8", cf::confdir . "/config"	2089	open my $fh, "<:utf8", cf::confdir . "/config"
1270	or return;	2090	or return;
1271		2091
1272	local $/;	2092	local $/;
1273	*CFG = YAML::Syck::Load <$fh>;	2093	*CFG = YAML::Syck::Load <$fh>;
		2094
		2095	$EMERGENCY_POSITION = $CFG{emergency_position} \|\| ["/world/world_105_115", 5, 37];
		2096
		2097	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2098	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2099
		2100	if (exists $CFG{mlockall}) {
		2101	eval {
		2102	$CFG{mlockall} ? &mlockall : &munlockall
		2103	and die "WARNING: m(un)lockall failed: $!\n";
		2104	};
		2105	warn $@ if $@;
		2106	}
1274	}	2107	}
1275		2108
1276	sub main {	2109	sub main {
		2110	# we must not ever block the main coroutine
		2111	local $Coro::idle = sub {
		2112	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2113	async { Event::one_event };
		2114	};
		2115
1277	cfg_load;	2116	cfg_load;
1278	db_load;	2117	db_load;
1279	load_extensions;	2118	load_extensions;
1280	Event::loop;	2119	Event::loop;
1281	}	2120	}
1282		2121
1283	#############################################################################	2122	#############################################################################
1284	# initialisation	2123	# initialisation
1285		2124
1286	sub _perl_reload() {	2125	sub reload() {
1287	# can/must only be called in main	2126	# can/must only be called in main
1288	if ($Coro::current != $Coro::main) {	2127	if ($Coro::current != $Coro::main) {
1289	warn "can only reload from main coroutine\n";	2128	warn "can only reload from main coroutine\n";
1290	return;	2129	return;
1291	}	2130	}
1292		2131
1293	warn "reloading...";	2132	warn "reloading...";
1294		2133
1295	local $FREEZE = 1;	2134	my $guard = freeze_mainloop;
1296	cf::emergency_save;	2135	cf::emergency_save;
1297		2136
1298	eval {	2137	eval {
1299	# if anything goes wrong in here, we should simply crash as we already saved	2138	# if anything goes wrong in here, we should simply crash as we already saved
1300		2139
…		…
1362	cf::load_extensions;	2201	cf::load_extensions;
1363		2202
1364	# reattach attachments to objects	2203	# reattach attachments to objects
1365	warn "reattach";	2204	warn "reattach";
1366	_global_reattach;	2205	_global_reattach;
		2206	reattach $_ for values %MAP;
1367	};	2207	};
1368		2208
1369	if ($@) {	2209	if ($@) {
1370	warn $@;	2210	warn $@;
1371	warn "error while reloading, exiting.";	2211	warn "error while reloading, exiting.";
…		…
1373	}	2213	}
1374		2214
1375	warn "reloaded successfully";	2215	warn "reloaded successfully";
1376	};	2216	};
1377		2217
1378	sub perl_reload() {	2218	#############################################################################
1379	_perl_reload;	2219
		2220	unless ($LINK_MAP) {
		2221	$LINK_MAP = cf::map::new;
		2222
		2223	$LINK_MAP->width (41);
		2224	$LINK_MAP->height (41);
		2225	$LINK_MAP->alloc;
		2226	$LINK_MAP->path ("{link}");
		2227	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
		2228	$LINK_MAP->in_memory (MAP_IN_MEMORY);
		2229
		2230	# dirty hack because... archetypes are not yet loaded
		2231	Event->timer (
		2232	after => 10,
		2233	cb => sub {
		2234	$_[0]->w->cancel;
		2235
		2236	# provide some exits "home"
		2237	my $exit = cf::object::new "exit";
		2238
		2239	$exit->slaying ($EMERGENCY_POSITION->[0]);
		2240	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
		2241	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
		2242
		2243	$LINK_MAP->insert ($exit->clone, 19, 19);
		2244	$LINK_MAP->insert ($exit->clone, 19, 20);
		2245	$LINK_MAP->insert ($exit->clone, 19, 21);
		2246	$LINK_MAP->insert ($exit->clone, 20, 19);
		2247	$LINK_MAP->insert ($exit->clone, 20, 21);
		2248	$LINK_MAP->insert ($exit->clone, 21, 19);
		2249	$LINK_MAP->insert ($exit->clone, 21, 20);
		2250	$LINK_MAP->insert ($exit->clone, 21, 21);
		2251
		2252	$exit->destroy;
		2253	});
		2254
		2255	$LINK_MAP->{deny_save} = 1;
		2256	$LINK_MAP->{deny_reset} = 1;
		2257
		2258	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1380	}	2259	}
1381		2260
1382	register "<global>", __PACKAGE__;	2261	register "<global>", __PACKAGE__;
1383		2262
1384	register_command "perl-reload" => sub {	2263	register_command "reload" => sub {
1385	my ($who, $arg) = @_;	2264	my ($who, $arg) = @_;
1386		2265
1387	if ($who->flag (FLAG_WIZ)) {	2266	if ($who->flag (FLAG_WIZ)) {
		2267	$who->message ("start of reload.");
		2268	reload;
1388	$who->message ("reloading...");	2269	$who->message ("end of reload.");
1389	_perl_reload;
1390	}	2270	}
1391	};	2271	};
1392		2272
1393	unshift @INC, $LIBDIR;	2273	unshift @INC, $LIBDIR;
1394		2274
…		…
1396	reentrant => 0,	2276	reentrant => 0,
1397	prio => 0,	2277	prio => 0,
1398	at => $NEXT_TICK \|\| $TICK,	2278	at => $NEXT_TICK \|\| $TICK,
1399	data => WF_AUTOCANCEL,	2279	data => WF_AUTOCANCEL,
1400	cb => sub {	2280	cb => sub {
1401	unless ($FREEZE) {
1402	cf::server_tick; # one server iteration	2281	cf::server_tick; # one server iteration
1403	$RUNTIME += $TICK;	2282	$RUNTIME += $TICK;
1404	}
1405
1406	$NEXT_TICK += $TICK;	2283	$NEXT_TICK += $TICK;
1407		2284
1408	# if we are delayed by four ticks or more, skip them all	2285	# if we are delayed by four ticks or more, skip them all
1409	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2286	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1410		2287
…		…
1413	},	2290	},
1414	);	2291	);
1415		2292
1416	IO::AIO::max_poll_time $TICK * 0.2;	2293	IO::AIO::max_poll_time $TICK * 0.2;
1417		2294
		2295	Event->io (
1418	Event->io (fd => IO::AIO::poll_fileno,	2296	fd => IO::AIO::poll_fileno,
1419	poll => 'r',	2297	poll => 'r',
1420	prio => 5,	2298	prio => 5,
1421	data => WF_AUTOCANCEL,	2299	data => WF_AUTOCANCEL,
1422	cb => \&IO::AIO::poll_cb);	2300	cb => \&IO::AIO::poll_cb,
		2301	);
1423		2302
1424	# we must not ever block the main coroutine	2303	Event->timer (
1425	$Coro::idle = sub {	2304	data => WF_AUTOCANCEL,
1426	#Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2305	after => 0,
1427	warn "FATAL: Coro::idle was called, major BUG\n";	2306	interval => 10,
		2307	cb => sub {
1428	(Coro::unblock_sub {	2308	(Coro::unblock_sub {
1429	Event::one_event;	2309	write_runtime
		2310	or warn "ERROR: unable to write runtime file: $!";
1430	})->();	2311	})->();
1431	};	2312	},
		2313	);
		2314
		2315	END { cf::emergency_save }
1432		2316
1433	1	2317	1
1434		2318

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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 1.145 by root, Sun Jan 7 21:54:59 2007 UTC

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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 1.145 by root, Sun Jan 7 21:54:59 2007 UTC