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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.127 by root, Wed Jan 3 00:05:26 2007 UTC vs.
Revision 1.157 by root, Wed Jan 10 01:16:54 2007 UTC

…		…
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 Data::Dumper;
20	use Digest::MD5;	21	use Digest::MD5;
21	use Fcntl;	22	use Fcntl;
22	use IO::AIO 2.31 ();	23	use IO::AIO 2.32 ();
23	use YAML::Syck ();	24	use YAML::Syck ();
24	use Time::HiRes;	25	use Time::HiRes;
25		26
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	27	use Event; $Event::Eval = 1; # no idea why this is required, but it is
27		28
		29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		30
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	32	$YAML::Syck::ImplicitUnicode = 1;
30		33
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		35
35	our %COMMAND = ();	36	our %COMMAND = ();
36	our %COMMAND_TIME = ();	37	our %COMMAND_TIME = ();
37	our %EXTCMD = ();	38	our %EXTCMD = ();
38		39
…		…
47	our %CFG;	48	our %CFG;
48		49
49	our $UPTIME; $UPTIME \|\|= time;	50	our $UPTIME; $UPTIME \|\|= time;
50	our $RUNTIME;	51	our $RUNTIME;
51		52
		53	our %PLAYER; # all users
52	our %MAP; # all maps	54	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	55	our $LINK_MAP; # the special {link} map
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	56	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	57	our %EXT_CORO; # coroutines bound to extensions
		58
		59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK \|\|= new Coro::Signal;
		60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE \|\|= new Coro::Signal;
57		61
58	binmode STDOUT;	62	binmode STDOUT;
59	binmode STDERR;	63	binmode STDERR;
60		64
61	# read virtual server time, if available	65	# read virtual server time, if available
…		…
71	mkdir cf::localdir . "/" . cf::uniquedir;	75	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	76	mkdir $RANDOM_MAPS;
73		77
74	# a special map that is always available	78	# a special map that is always available
75	our $LINK_MAP;	79	our $LINK_MAP;
76		80	our $EMERGENCY_POSITION;
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} \|\| ["/world/world_105_115", 5, 37];
78		81
79	#############################################################################	82	#############################################################################
80		83
81	=head2 GLOBAL VARIABLES	84	=head2 GLOBAL VARIABLES
82		85
…		…
106		109
107	=item %cf::CFG	110	=item %cf::CFG
108		111
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	112	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	113	from wherever your confdir points to.
		114
		115	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		116
		117	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		118	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		119	processing has been done. Call C<< ->wait >> on them to maximise the
		120	window of cpu time available, or simply to synchronise to the server tick.
111		121
112	=back	122	=back
113		123
114	=cut	124	=cut
115		125
…		…
119	utf8::encode $msg;	129	utf8::encode $msg;
120		130
121	$msg .= "\n"	131	$msg .= "\n"
122	unless $msg =~ /\n$/;	132	unless $msg =~ /\n$/;
123		133
124	LOG llevError, "cfperl: $msg";	134	LOG llevError, $msg;
125	};	135	};
126	}	136	}
127		137
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	138	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	139	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
155		165
156	=head2 UTILITY FUNCTIONS	166	=head2 UTILITY FUNCTIONS
157		167
158	=over 4	168	=over 4
159		169
		170	=item dumpval $ref
		171
160	=cut	172	=cut
		173
		174	sub dumpval {
		175	eval {
		176	local $SIG{__DIE__};
		177	my $d;
		178	if (1) {
		179	$d = new Data::Dumper([$_[0]], ["*var"]);
		180	$d->Terse(1);
		181	$d->Indent(2);
		182	$d->Quotekeys(0);
		183	$d->Useqq(1);
		184	#$d->Bless(...);
		185	$d->Seen($_[1]) if @_ > 1;
		186	$d = $d->Dump();
		187	}
		188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		189	$d
		190	} \|\| "[unable to dump $_[0]: '$@']";
		191	}
161		192
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	193	use JSON::Syck (); # TODO# replace by JSON::PC once working
163		194
164	=item $ref = cf::from_json $json	195	=item $ref = cf::from_json $json
165		196
…		…
181	sub to_json($) {	212	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	214	JSON::Syck::Dump $_[0]
184	}	215	}
185		216
186	=item my $guard = cf::guard { BLOCK }
187
188	Run the given callback when the guard object gets destroyed (useful for
189	coroutine cancellations).
190
191	You can call C<< ->cancel >> on the guard object to stop the block from
192	being executed.
193
194	=cut
195
196	sub guard(&) {
197	bless \(my $cb = $_[0]), cf::guard::;
198	}
199
200	sub cf::guard::cancel {
201	${$_[0]} = sub { };
202	}
203
204	sub cf::guard::DESTROY {
205	${$_[0]}->();
206	}
207
208	=item cf::lock_wait $string	217	=item cf::lock_wait $string
209		218
210	Wait until the given lock is available. See cf::lock_acquire.	219	Wait until the given lock is available. See cf::lock_acquire.
211		220
212	=item my $lock = cf::lock_acquire $string	221	=item my $lock = cf::lock_acquire $string
213		222
214	Wait until the given lock is available and then acquires it and returns	223	Wait until the given lock is available and then acquires it and returns
215	a guard object. If the guard object gets destroyed (goes out of scope,	224	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
216	for example when the coroutine gets canceled), the lock is automatically	225	for example when the coroutine gets canceled), the lock is automatically
217	returned.	226	returned.
218		227
219	Lock names should begin with a unique identifier (for example, find_map	228	Lock names should begin with a unique identifier (for example, cf::map::find
220	uses map_find and load_map uses map_load).	229	uses map_find and cf::map::load uses map_load).
221		230
222	=cut	231	=cut
223		232
224	our %LOCK;	233	our %LOCK;
225		234
…		…
239	# wait, to be sure we are not locked	248	# wait, to be sure we are not locked
240	lock_wait $key;	249	lock_wait $key;
241		250
242	$LOCK{$key} = [];	251	$LOCK{$key} = [];
243		252
244	cf::guard {	253	Coro::guard {
245	# wake up all waiters, to be on the safe side	254	# wake up all waiters, to be on the safe side
246	$_->ready for @{ delete $LOCK{$key} };	255	$_->ready for @{ delete $LOCK{$key} };
247	}	256	}
248	}	257	}
249		258
		259	sub freeze_mainloop {
		260	return unless $TICK_WATCHER->is_active;
		261
		262	my $guard = Coro::guard { $TICK_WATCHER->start };
		263	$TICK_WATCHER->stop;
		264	$guard
		265	}
		266
250	=item cf::async { BLOCK }	267	=item cf::async { BLOCK }
251		268
252	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	269	Currently the same as Coro::async_pool, meaning you cannot use
253	error instead of exiting the server in case of a problem.	270	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		271	thing you are allowed to do is call C<prio> on it.
254		272
255	=cut	273	=cut
256		274
257	sub async(&) {	275	BEGIN { *async = \&Coro::async_pool }
258	my ($cb) = @_;
259
260	Coro::async {
261	eval { $cb->() };
262	warn $@ if $@;
263	}
264	}
265		276
266	=item cf::sync_job { BLOCK }	277	=item cf::sync_job { BLOCK }
267		278
268	The design of crossfire+ requires that the main coro ($Coro::main) is	279	The design of crossfire+ requires that the main coro ($Coro::main) is
269	always able to handle events or runnable, as crossfire+ is only partly	280	always able to handle events or runnable, as crossfire+ is only partly
…		…
283	# this is the main coro, too bad, we have to block	294	# this is the main coro, too bad, we have to block
284	# till the operation succeeds, freezing the server :/	295	# till the operation succeeds, freezing the server :/
285		296
286	# TODO: use suspend/resume instead	297	# TODO: use suspend/resume instead
287	# (but this is cancel-safe)	298	# (but this is cancel-safe)
288	local $FREEZE = 1;	299	my $freeze_guard = freeze_mainloop;
289		300
290	my $busy = 1;	301	my $busy = 1;
291	my @res;	302	my @res;
292		303
293	(Coro::async {	304	(async {
294	@res = eval { $job->() };	305	@res = eval { $job->() };
295	warn $@ if $@;	306	warn $@ if $@;
296	undef $busy;	307	undef $busy;
297	})->prio (Coro::PRIO_MAX);	308	})->prio (Coro::PRIO_MAX);
298		309
299	while ($busy) {	310	while ($busy) {
300	Coro::cede_notself;	311	Coro::cede or Event::one_event;
301	Event::one_event unless Coro::nready;
302	}	312	}
303		313
304	wantarray ? @res : $res[0]	314	wantarray ? @res : $res[0]
305	} else {	315	} else {
306	# we are in another coroutine, how wonderful, everything just works	316	# we are in another coroutine, how wonderful, everything just works
307		317
308	$job->()	318	$job->()
309	}	319	}
310	}	320	}
311		321
312	=item $coro = cf::coro { BLOCK }	322	=item $coro = cf::async_ext { BLOCK }
313		323
314	Creates and returns a new coro. This coro is automcatially being canceled	324	Like async, but this coro is automcatially being canceled when the
315	when the extension calling this is being unloaded.	325	extension calling this is being unloaded.
316		326
317	=cut	327	=cut
318		328
319	sub coro(&) {	329	sub async_ext(&) {
320	my $cb = shift;	330	my $cb = shift;
321		331
322	my $coro = &cf::async ($cb);	332	my $coro = &Coro::async ($cb);
323		333
324	$coro->on_destroy (sub {	334	$coro->on_destroy (sub {
325	delete $EXT_CORO{$coro+0};	335	delete $EXT_CORO{$coro+0};
326	});	336	});
327	$EXT_CORO{$coro+0} = $coro;	337	$EXT_CORO{$coro+0} = $coro;
…		…
356	=cut	366	=cut
357		367
358	#############################################################################	368	#############################################################################
359		369
360	package cf::path;	370	package cf::path;
		371
		372	# used to convert map paths into valid unix filenames by repalcing / by ∕
		373	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
361		374
362	sub new {	375	sub new {
363	my ($class, $path, $base) = @_;	376	my ($class, $path, $base) = @_;
364		377
365	$path = $path->as_string if ref $path;	378	$path = $path->as_string if ref $path;
…		…
429	# }	442	# }
430	}	443	}
431		444
432	# escape the /'s in the path	445	# escape the /'s in the path
433	sub _escaped_path {	446	sub _escaped_path {
434	# ∕ is U+2215
435	(my $path = $_[0]{path}) =~ s/\//∕/g;	447	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
436	$path	448	$path
437	}	449	}
438		450
439	# the original (read-only) location	451	# the original (read-only) location
440	sub load_path {	452	sub load_path {
…		…
1067	};	1079	};
1068		1080
1069	cf::map->attach (prio => -10000, package => cf::mapsupport::);	1081	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1070		1082
1071	#############################################################################	1083	#############################################################################
1072	# load/save perl data associated with player->ob objects
1073
1074	sub all_objects(@) {
1075	@_, map all_objects ($_->inv), @_
1076	}
1077
1078	# TODO: compatibility cruft, remove when no longer needed
1079	cf::player->attach (
1080	on_load => sub {
1081	my ($pl, $path) = @_;
1082
1083	for my $o (all_objects $pl->ob) {
1084	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1085	$o->set_ob_key_value ("_perl_data");
1086
1087	%$o = %{ Storable::thaw pack "H*", $value };
1088	}
1089	}
1090	},
1091	);
1092
1093	#############################################################################
1094		1084
1095	=head2 CORE EXTENSIONS	1085	=head2 CORE EXTENSIONS
1096		1086
1097	Functions and methods that extend core crossfire objects.	1087	Functions and methods that extend core crossfire objects.
1098		1088
		1089	=cut
		1090
		1091	package cf::player;
		1092
		1093	use Coro::AIO;
		1094
1099	=head3 cf::player	1095	=head3 cf::player
1100		1096
1101	=over 4	1097	=over 4
1102		1098
1103	=item cf::player::exists $login	1099	=item cf::player::find $login
1104		1100
1105	Returns true when the given account exists.	1101	Returns the given player object, loading it if necessary (might block).
1106		1102
1107	=cut	1103	=cut
1108		1104
1109	sub cf::player::exists($) {	1105	sub playerdir($) {
1110	cf::player::find $_[0]	1106	cf::localdir
1111	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	1107	. "/"
		1108	. cf::playerdir
		1109	. "/"
		1110	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1111	}
		1112
		1113	sub path($) {
		1114	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1115
		1116	(playerdir $login) . "/$login.pl"
		1117	}
		1118
		1119	sub find_active($) {
		1120	$cf::PLAYER{$_[0]}
		1121	and $cf::PLAYER{$_[0]}->active
		1122	and $cf::PLAYER{$_[0]}
		1123	}
		1124
		1125	sub exists($) {
		1126	my ($login) = @_;
		1127
		1128	$cf::PLAYER{$login}
		1129	or cf::sync_job { !aio_stat $login }
		1130	}
		1131
		1132	sub find($) {
		1133	return $cf::PLAYER{$_[0]} \|\| do {
		1134	my $login = $_[0];
		1135
		1136	my $guard = cf::lock_acquire "user_find:$login";
		1137
		1138	$cf::PLAYER{$_[0]} \|\| do {
		1139	my $pl = load_pl path $login
		1140	or return;
		1141	$cf::PLAYER{$login} = $pl
		1142	}
		1143	}
		1144	}
		1145
		1146	sub save($) {
		1147	my ($pl) = @_;
		1148
		1149	return if $pl->{deny_save};
		1150
		1151	my $path = path $pl;
		1152	my $guard = cf::lock_acquire "user_save:$path";
		1153
		1154	return if $pl->{deny_save};
		1155
		1156	aio_mkdir playerdir $pl, 0770;
		1157	$pl->{last_save} = $cf::RUNTIME;
		1158
		1159	$pl->save_pl ($path);
		1160	Coro::cede;
		1161	}
		1162
		1163	sub new($) {
		1164	my ($login) = @_;
		1165
		1166	my $self = create;
		1167
		1168	$self->ob->name ($login);
		1169	$self->{deny_save} = 1;
		1170
		1171	$cf::PLAYER{$login} = $self;
		1172
		1173	$self
		1174	}
		1175
		1176	=item $pl->quit_character
		1177
		1178	Nukes the player without looking back. If logged in, the connection will
		1179	be destroyed. May block for a long time.
		1180
		1181	=cut
		1182
		1183	sub quit_character {
		1184	my ($pl) = @_;
		1185
		1186	$pl->{deny_save} = 1;
		1187	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1188
		1189	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1190	$pl->deactivate;
		1191	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1192	$pl->ns->destroy if $pl->ns;
		1193
		1194	my $path = playerdir $pl;
		1195	my $temp = "$path~$cf::RUNTIME~deleting~";
		1196	aio_rename $path, $temp;
		1197	delete $cf::PLAYER{$pl->ob->name};
		1198	$pl->destroy;
		1199	IO::AIO::aio_rmtree $temp;
		1200	}
		1201
		1202	=item cf::player::list_logins
		1203
		1204	Returns am arrayref of all valid playernames in the system, can take a
		1205	while and may block, so not sync_job-capable, ever.
		1206
		1207	=cut
		1208
		1209	sub list_logins {
		1210	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1211	or return [];
		1212
		1213	my @logins;
		1214
		1215	for my $login (@$dirs) {
		1216	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1217	aio_read $fh, 0, 512, my $buf, 0 or next;
		1218	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1219
		1220	utf8::decode $login;
		1221	push @logins, $login;
		1222	}
		1223
		1224	\@logins
		1225	}
		1226
		1227	=item $player->maps
		1228
		1229	Returns an arrayref of cf::path's of all maps that are private for this
		1230	player. May block.
		1231
		1232	=cut
		1233
		1234	sub maps($) {
		1235	my ($pl) = @_;
		1236
		1237	my $files = aio_readdir playerdir $pl
		1238	or return;
		1239
		1240	my @paths;
		1241
		1242	for (@$files) {
		1243	utf8::decode $_;
		1244	next if /\.(?:pl\|pst)$/;
		1245	next unless /^$PATH_SEP/;
		1246
		1247	s/$PATH_SEP/\//g;
		1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
		1249	}
		1250
		1251	\@paths
1112	}	1252	}
1113		1253
1114	=item $player->ext_reply ($msgid, $msgtype, %msg)	1254	=item $player->ext_reply ($msgid, $msgtype, %msg)
1115		1255
1116	Sends an ext reply to the player.	1256	Sends an ext reply to the player.
1117		1257
1118	=cut	1258	=cut
1119		1259
1120	sub cf::player::ext_reply($$$%) {	1260	sub ext_reply($$$%) {
1121	my ($self, $id, %msg) = @_;	1261	my ($self, $id, %msg) = @_;
1122		1262
1123	$msg{msgid} = $id;	1263	$msg{msgid} = $id;
1124		1264
1125	$self->send ("ext " . to_json \%msg);	1265	$self->send ("ext " . cf::to_json \%msg);
1126	}	1266	}
		1267
		1268	package cf;
1127		1269
1128	=back	1270	=back
1129		1271
1130		1272
1131	=head3 cf::map	1273	=head3 cf::map
…		…
1137	package cf::map;	1279	package cf::map;
1138		1280
1139	use Fcntl;	1281	use Fcntl;
1140	use Coro::AIO;	1282	use Coro::AIO;
1141		1283
1142	our $MAX_RESET = 7200;	1284	our $MAX_RESET = 3600;
1143	our $DEFAULT_RESET = 3600;	1285	our $DEFAULT_RESET = 3000;
1144		1286
1145	sub generate_random_map {	1287	sub generate_random_map {
1146	my ($path, $rmp) = @_;	1288	my ($path, $rmp) = @_;
1147		1289
1148	# mit "rum" bekleckern, nicht	1290	# mit "rum" bekleckern, nicht
…		…
1178	or return;	1320	or return;
1179		1321
1180	my $map = cf::map::new	1322	my $map = cf::map::new
1181	or return;	1323	or return;
1182		1324
		1325	# for better error messages only, will be overwritten
		1326	$map->path ($path);
		1327
1183	$map->load_header ($path)	1328	$map->load_header ($path)
1184	or return;	1329	or return;
1185		1330
1186	$map->{load_path} = $path;	1331	$map->{load_path} = $path;
1187		1332
1188	$map	1333	$map
1189	}	1334	}
1190		1335
1191	sub find_map;	1336	sub find;
1192	sub find_map {	1337	sub find {
1193	my ($path, $origin) = @_;	1338	my ($path, $origin) = @_;
1194		1339
1195	#warn "find_map<$path,$origin>\n";#d#	1340	#warn "find<$path,$origin>\n";#d#
1196		1341
1197	$path = new cf::path $path, $origin && $origin->path;	1342	$path = new cf::path $path, $origin && $origin->path;
1198	my $key = $path->as_string;	1343	my $key = $path->as_string;
1199		1344
1200	cf::lock_wait "map_find:$key";	1345	cf::lock_wait "map_find:$key";
…		…
1203	my $guard = cf::lock_acquire "map_find:$key";	1348	my $guard = cf::lock_acquire "map_find:$key";
1204		1349
1205	# do it the slow way	1350	# do it the slow way
1206	my $map = try_load_header $path->save_path;	1351	my $map = try_load_header $path->save_path;
1207		1352
		1353	Coro::cede;
		1354
1208	if ($map) {	1355	if ($map) {
		1356	$map->last_access ((delete $map->{last_access})
		1357	\|\| $cf::RUNTIME); #d#
1209	# safety	1358	# safety
1210	$map->{instantiate_time} = $cf::RUNTIME	1359	$map->{instantiate_time} = $cf::RUNTIME
1211	if $map->{instantiate_time} > $cf::RUNTIME;	1360	if $map->{instantiate_time} > $cf::RUNTIME;
1212	} else {	1361	} else {
1213	if (my $rmp = $path->random_map_params) {	1362	if (my $rmp = $path->random_map_params) {
…		…
1218		1367
1219	$map or return;	1368	$map or return;
1220		1369
1221	$map->{load_original} = 1;	1370	$map->{load_original} = 1;
1222	$map->{instantiate_time} = $cf::RUNTIME;	1371	$map->{instantiate_time} = $cf::RUNTIME;
		1372	$map->last_access ($cf::RUNTIME);
1223	$map->instantiate;	1373	$map->instantiate;
1224		1374
1225	# per-player maps become, after loading, normal maps	1375	# per-player maps become, after loading, normal maps
1226	$map->per_player (0) if $path->{user_rel};	1376	$map->per_player (0) if $path->{user_rel};
1227	}	1377	}
1228		1378
1229	$map->path ($key);	1379	$map->path ($key);
1230	$map->{path} = $path;	1380	$map->{path} = $path;
1231	$map->{last_save} = $cf::RUNTIME;	1381	$map->{last_save} = $cf::RUNTIME;
1232	$map->last_access ($cf::RUNTIME);	1382
		1383	Coro::cede;
1233		1384
1234	if ($map->should_reset) {	1385	if ($map->should_reset) {
1235	$map->reset;	1386	$map->reset;
1236	undef $guard;	1387	undef $guard;
1237	$map = find_map $path	1388	$map = find $path
1238	or return;	1389	or return;
1239	}	1390	}
1240		1391
1241	$cf::MAP{$key} = $map	1392	$cf::MAP{$key} = $map
1242	}	1393	}
…		…
1264	if (aio_open $uniq, O_RDONLY, 0) {	1415	if (aio_open $uniq, O_RDONLY, 0) {
1265	$self->clear_unique_items;	1416	$self->clear_unique_items;
1266	$self->load_objects ($uniq, 0);	1417	$self->load_objects ($uniq, 0);
1267	}	1418	}
1268	}	1419	}
		1420
		1421	Coro::cede;
1269		1422
1270	# now do the right thing for maps	1423	# now do the right thing for maps
1271	$self->link_multipart_objects;	1424	$self->link_multipart_objects;
1272		1425
1273	if ($self->{path}->is_style_map) {	1426	if ($self->{path}->is_style_map) {
…		…
1281	$self->difficulty ($self->estimate_difficulty)	1434	$self->difficulty ($self->estimate_difficulty)
1282	unless $self->difficulty;	1435	unless $self->difficulty;
1283	$self->activate;	1436	$self->activate;
1284	}	1437	}
1285		1438
		1439	Coro::cede;
		1440
1286	$self->in_memory (cf::MAP_IN_MEMORY);	1441	$self->in_memory (cf::MAP_IN_MEMORY);
1287	}	1442	}
1288		1443
1289	sub load_map_sync {	1444	# find and load all maps in the 3x3 area around a map
		1445	sub load_diag {
		1446	my ($map) = @_;
		1447
		1448	my @diag; # diagonal neighbours
		1449
		1450	for (0 .. 3) {
		1451	my $neigh = $map->tile_path ($_)
		1452	or next;
		1453	$neigh = find $neigh, $map
		1454	or next;
		1455	$neigh->load;
		1456
		1457	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1458	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1459	}
		1460
		1461	for (@diag) {
		1462	my $neigh = find @$_
		1463	or next;
		1464	$neigh->load;
		1465	}
		1466	}
		1467
		1468	sub find_sync {
1290	my ($path, $origin) = @_;	1469	my ($path, $origin) = @_;
1291		1470
1292	#warn "load_map_sync<$path, $origin>\n";#d#	1471	cf::sync_job { find $path, $origin }
		1472	}
1293		1473
1294	cf::sync_job {	1474	sub do_load_sync {
1295	my $map = cf::map::find_map $path, $origin	1475	my ($map) = @_;
		1476
		1477	cf::sync_job { $map->load };
		1478	}
		1479
		1480	our %MAP_PREFETCH;
		1481	our $MAP_PREFETCHER = Coro::async {
		1482	while () {
		1483	while (%MAP_PREFETCH) {
		1484	my $key = each %MAP_PREFETCH
1296	or return;	1485	or next;
		1486	my $path = delete $MAP_PREFETCH{$key};
		1487
		1488	my $map = find $path
		1489	or next;
1297	$map->load;	1490	$map->load;
1298	$map	1491	}
		1492	Coro::schedule;
1299	}	1493	}
		1494	};
		1495
		1496	sub find_async {
		1497	my ($path, $origin) = @_;
		1498
		1499	$path = new cf::path $path, $origin && $origin->path;
		1500	my $key = $path->as_string;
		1501
		1502	if (my $map = $cf::MAP{$key}) {
		1503	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1504	}
		1505
		1506	$MAP_PREFETCH{$key} = $path;
		1507	$MAP_PREFETCHER->ready;
		1508
		1509	()
1300	}	1510	}
1301		1511
1302	sub save {	1512	sub save {
1303	my ($self) = @_;	1513	my ($self) = @_;
1304		1514
		1515	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1516
1305	$self->{last_save} = $cf::RUNTIME;	1517	$self->{last_save} = $cf::RUNTIME;
1306		1518
1307	return unless $self->dirty;	1519	return unless $self->dirty;
1308		1520
1309	my $save = $self->{path}->save_path; utf8::encode $save;	1521	my $save = $self->{path}->save_path; utf8::encode $save;
1310	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1522	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1311		1523
1312	$self->{load_path} = $save;	1524	$self->{load_path} = $save;
1313		1525
1314	return if $self->{deny_save};	1526	return if $self->{deny_save};
		1527
		1528	local $self->{last_access} = $self->last_access;#d#
		1529
		1530	cf::async {
		1531	$_->contr->save for $self->players;
		1532	};
1315		1533
1316	if ($uniq) {	1534	if ($uniq) {
1317	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);	1535	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);
1318	$self->save_objects ($uniq, cf::IO_UNIQUES);	1536	$self->save_objects ($uniq, cf::IO_UNIQUES);
1319	} else {	1537	} else {
…		…
1322	}	1540	}
1323		1541
1324	sub swap_out {	1542	sub swap_out {
1325	my ($self) = @_;	1543	my ($self) = @_;
1326		1544
		1545	# save first because save cedes
		1546	$self->save;
		1547
		1548	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1549
1327	return if $self->players;	1550	return if $self->players;
1328	return if $self->in_memory != cf::MAP_IN_MEMORY;	1551	return if $self->in_memory != cf::MAP_IN_MEMORY;
1329	return if $self->{deny_save};	1552	return if $self->{deny_save};
1330		1553
1331	$self->save;
1332	$self->clear;	1554	$self->clear;
1333	$self->in_memory (cf::MAP_SWAPPED);	1555	$self->in_memory (cf::MAP_SWAPPED);
1334	}	1556	}
1335		1557
1336	sub reset_at {	1558	sub reset_at {
…		…
1374	}	1596	}
1375		1597
1376	sub reset {	1598	sub reset {
1377	my ($self) = @_;	1599	my ($self) = @_;
1378		1600
		1601	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1602
1379	return if $self->players;	1603	return if $self->players;
1380	return if $self->{path}{user_rel};#d#	1604	return if $self->{path}{user_rel};#d#
1381		1605
1382	warn "resetting map ", $self->path;#d#	1606	warn "resetting map ", $self->path;#d#
1383		1607
…		…
1402		1626
1403	sub customise_for {	1627	sub customise_for {
1404	my ($map, $ob) = @_;	1628	my ($map, $ob) = @_;
1405		1629
1406	if ($map->per_player) {	1630	if ($map->per_player) {
1407	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1631	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1408	}	1632	}
1409		1633
1410	$map	1634	$map
1411	}	1635	}
1412		1636
1413	sub emergency_save {
1414	local $cf::FREEZE = 1;
1415
1416	warn "enter emergency map save\n";
1417
1418	cf::sync_job {
1419	warn "begin emergency map save\n";
1420	$_->save for values %cf::MAP;
1421	};
1422
1423	warn "end emergency map save\n";
1424	}
1425
1426	package cf;	1637	package cf;
1427		1638
1428	=back	1639	=back
1429		1640
		1641	=head3 cf::object
		1642
		1643	=cut
		1644
		1645	package cf::object;
		1646
		1647	=over 4
		1648
		1649	=item $ob->inv_recursive
		1650
		1651	Returns the inventory of the object _and_ their inventories, recursively.
		1652
		1653	=cut
		1654
		1655	sub inv_recursive_;
		1656	sub inv_recursive_ {
		1657	map { $_, inv_recursive_ $_->inv } @_
		1658	}
		1659
		1660	sub inv_recursive {
		1661	inv_recursive_ inv $_[0]
		1662	}
		1663
		1664	package cf;
		1665
		1666	=back
1430		1667
1431	=head3 cf::object::player	1668	=head3 cf::object::player
1432		1669
1433	=over 4	1670	=over 4
1434		1671
…		…
1509	my $link_pos = delete $self->{_link_pos};	1746	my $link_pos = delete $self->{_link_pos};
1510		1747
1511	unless ($map) {	1748	unless ($map) {
1512	# restore original map position	1749	# restore original map position
1513	($map, $x, $y) = @{ $link_pos \|\| [] };	1750	($map, $x, $y) = @{ $link_pos \|\| [] };
1514	$map = cf::map::find_map $map;	1751	$map = cf::map::find $map;
1515		1752
1516	unless ($map) {	1753	unless ($map) {
1517	($map, $x, $y) = @$EMERGENCY_POSITION;	1754	($map, $x, $y) = @$EMERGENCY_POSITION;
1518	$map = cf::map::find_map $map	1755	$map = cf::map::find $map
1519	or die "FATAL: cannot load emergency map\n";	1756	or die "FATAL: cannot load emergency map\n";
1520	}	1757	}
1521	}	1758	}
1522		1759
1523	($x, $y) = (-1, -1)	1760	($x, $y) = (-1, -1)
…		…
1526	# use -1 or undef as default coordinates, not 0, 0	1763	# use -1 or undef as default coordinates, not 0, 0
1527	($x, $y) = ($map->enter_x, $map->enter_y)	1764	($x, $y) = ($map->enter_x, $map->enter_y)
1528	if $x <=0 && $y <= 0;	1765	if $x <=0 && $y <= 0;
1529		1766
1530	$map->load;	1767	$map->load;
		1768	$map->load_diag;
1531		1769
		1770	return unless $self->contr->active;
1532	$self->activate_recursive;	1771	$self->activate_recursive;
1533	$self->enter_map ($map, $x, $y);	1772	$self->enter_map ($map, $x, $y);
1534	}	1773	}
1535		1774
1536	cf::player->attach (	1775	cf::player->attach (
…		…
1549		1788
1550	# try to abort aborted map switching on player login :)	1789	# try to abort aborted map switching on player login :)
1551	# should happen only on crashes	1790	# should happen only on crashes
1552	if ($pl->ob->{_link_pos}) {	1791	if ($pl->ob->{_link_pos}) {
1553	$pl->ob->enter_link;	1792	$pl->ob->enter_link;
1554	cf::async {	1793	(async {
1555	# we need this sleep as the login has a concurrent enter_exit running	1794	# we need this sleep as the login has a concurrent enter_exit running
1556	# and this sleep increases chances of the player not ending up in scorn	1795	# and this sleep increases chances of the player not ending up in scorn
		1796	$pl->ob->reply (undef,
		1797	"There was an internal problem at your last logout, "
		1798	. "the server will try to bring you to your intended destination in a second.",
		1799	cf::NDI_RED);
1557	Coro::Timer::sleep 1;	1800	Coro::Timer::sleep 1;
1558	$pl->ob->leave_link;	1801	$pl->ob->leave_link;
1559	};	1802	})->prio (2);
1560	}	1803	}
1561	},	1804	},
1562	);	1805	);
1563		1806
1564	=item $player_object->goto_map ($path, $x, $y)	1807	=item $player_object->goto ($path, $x, $y)
1565		1808
1566	=cut	1809	=cut
1567		1810
1568	sub cf::object::player::goto_map {	1811	sub cf::object::player::goto {
1569	my ($self, $path, $x, $y) = @_;	1812	my ($self, $path, $x, $y) = @_;
1570		1813
		1814	$path = new cf::path $path;
		1815	$path ne "/" or Carp::cluck ("oy");#d#
		1816
1571	$self->enter_link;	1817	$self->enter_link;
1572		1818
1573	(cf::async {	1819	(async {
1574	$path = new cf::path $path;
1575
1576	my $map = cf::map::find_map $path->as_string;	1820	my $map = cf::map::find $path->as_string;
1577	$map = $map->customise_for ($self) if $map;	1821	$map = $map->customise_for ($self) if $map;
1578		1822
1579	# warn "entering ", $map->path, " at ($x, $y)\n"	1823	# warn "entering ", $map->path, " at ($x, $y)\n"
1580	# if $map;	1824	# if $map;
1581		1825
1582	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE \| cf::NDI_RED);	1826	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
1583		1827
1584	$self->leave_link ($map, $x, $y);	1828	$self->leave_link ($map, $x, $y);
1585	})->prio (1);	1829	})->prio (1);
1586	}	1830	}
1587		1831
…		…
1640		1884
1641	return unless $self->type == cf::PLAYER;	1885	return unless $self->type == cf::PLAYER;
1642		1886
1643	$self->enter_link;	1887	$self->enter_link;
1644		1888
1645	(cf::async {	1889	(async {
		1890	$self->deactivate_recursive; # just to be sure
1646	unless (eval {	1891	unless (eval {
1647	prepare_random_map $exit	1892	prepare_random_map $exit
1648	if $exit->slaying eq "/!";	1893	if $exit->slaying eq "/!";
1649		1894
1650	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1895	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1651	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1896	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1652		1897
1653	1;	1898	1;
1654	}) {	1899	}) {
1655	$self->message ("Something went wrong deep within the crossfire server. "	1900	$self->message ("Something went wrong deep within the crossfire server. "
1656	. "I'll try to bring you back to the map you were before. "	1901	. "I'll try to bring you back to the map you were before. "
…		…
1713	on_reply => sub {	1958	on_reply => sub {
1714	my ($ns, $msg) = @_;	1959	my ($ns, $msg) = @_;
1715		1960
1716	# this weird shuffling is so that direct followup queries	1961	# this weird shuffling is so that direct followup queries
1717	# get handled first	1962	# get handled first
1718	my $queue = delete $ns->{query_queue};	1963	my $queue = delete $ns->{query_queue}
		1964	or return; # be conservative, not sure how that can happen, but we saw a crash here
1719		1965
1720	(shift @$queue)->[1]->($msg);	1966	(shift @$queue)->[1]->($msg);
1721		1967
1722	push @{ $ns->{query_queue} }, @$queue;	1968	push @{ $ns->{query_queue} }, @$queue;
1723		1969
…		…
1729	}	1975	}
1730	}	1976	}
1731	},	1977	},
1732	);	1978	);
1733		1979
1734	=item $client->coro (\&cb)	1980	=item $client->async (\&cb)
1735		1981
1736	Create a new coroutine, running the specified callback. The coroutine will	1982	Create a new coroutine, running the specified callback. The coroutine will
1737	be automatically cancelled when the client gets destroyed (e.g. on logout,	1983	be automatically cancelled when the client gets destroyed (e.g. on logout,
1738	or loss of connection).	1984	or loss of connection).
1739		1985
1740	=cut	1986	=cut
1741		1987
1742	sub cf::client::coro {	1988	sub cf::client::async {
1743	my ($self, $cb) = @_;	1989	my ($self, $cb) = @_;
1744		1990
1745	my $coro = &cf::async ($cb);	1991	my $coro = &Coro::async ($cb);
1746		1992
1747	$coro->on_destroy (sub {	1993	$coro->on_destroy (sub {
1748	delete $self->{_coro}{$coro+0};	1994	delete $self->{_coro}{$coro+0};
1749	});	1995	});
1750		1996
…		…
1985	open my $fh, "<:utf8", cf::confdir . "/config"	2231	open my $fh, "<:utf8", cf::confdir . "/config"
1986	or return;	2232	or return;
1987		2233
1988	local $/;	2234	local $/;
1989	*CFG = YAML::Syck::Load <$fh>;	2235	*CFG = YAML::Syck::Load <$fh>;
		2236
		2237	$EMERGENCY_POSITION = $CFG{emergency_position} \|\| ["/world/world_105_115", 5, 37];
		2238
		2239	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2240	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2241
		2242	if (exists $CFG{mlockall}) {
		2243	eval {
		2244	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2245	and die "WARNING: m(un)lockall failed: $!\n";
		2246	};
		2247	warn $@ if $@;
		2248	}
1990	}	2249	}
1991		2250
1992	sub main {	2251	sub main {
1993	# we must not ever block the main coroutine	2252	# we must not ever block the main coroutine
1994	local $Coro::idle = sub {	2253	local $Coro::idle = sub {
1995	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2254	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1996	(Coro::unblock_sub {
1997	Event::one_event;	2255	async { Event::one_event };
1998	})->();
1999	};	2256	};
2000		2257
2001	cfg_load;	2258	cfg_load;
2002	db_load;	2259	db_load;
2003	load_extensions;	2260	load_extensions;
2004	Event::loop;	2261	Event::loop;
2005	}	2262	}
2006		2263
2007	#############################################################################	2264	#############################################################################
2008	# initialisation	2265	# initialisation and cleanup
		2266
		2267	# install some emergency cleanup handlers
		2268	BEGIN {
		2269	for my $signal (qw(INT HUP TERM)) {
		2270	Event->signal (
		2271	data => WF_AUTOCANCEL,
		2272	signal => $signal,
		2273	cb => sub {
		2274	cf::cleanup "SIG$signal";
		2275	},
		2276	);
		2277	}
		2278	}
		2279
		2280	sub emergency_save() {
		2281	my $freeze_guard = cf::freeze_mainloop;
		2282
		2283	warn "enter emergency perl save\n";
		2284
		2285	cf::sync_job {
		2286	# use a peculiar iteration method to avoid tripping on perl
		2287	# refcount bugs in for. also avoids problems with players
		2288	# and maps saved/Destroyed asynchronously.
		2289	warn "begin emergency player save\n";
		2290	for my $login (keys %cf::PLAYER) {
		2291	my $pl = $cf::PLAYER{$login} or next;
		2292	$pl->valid or next;
		2293	$pl->save;
		2294	}
		2295	warn "end emergency player save\n";
		2296
		2297	warn "begin emergency map save\n";
		2298	for my $path (keys %cf::MAP) {
		2299	my $map = $cf::MAP{$path} or next;
		2300	$map->valid or next;
		2301	$map->save;
		2302	}
		2303	warn "end emergency map save\n";
		2304	};
		2305
		2306	warn "leave emergency perl save\n";
		2307	}
2009		2308
2010	sub reload() {	2309	sub reload() {
2011	# can/must only be called in main	2310	# can/must only be called in main
2012	if ($Coro::current != $Coro::main) {	2311	if ($Coro::current != $Coro::main) {
2013	warn "can only reload from main coroutine\n";	2312	warn "can only reload from main coroutine\n";
2014	return;	2313	return;
2015	}	2314	}
2016		2315
2017	warn "reloading...";	2316	warn "reloading...";
2018		2317
2019	local $FREEZE = 1;	2318	my $guard = freeze_mainloop;
2020	cf::emergency_save;	2319	cf::emergency_save;
2021		2320
2022	eval {	2321	eval {
2023	# if anything goes wrong in here, we should simply crash as we already saved	2322	# if anything goes wrong in here, we should simply crash as we already saved
2024		2323
…		…
2086	cf::load_extensions;	2385	cf::load_extensions;
2087		2386
2088	# reattach attachments to objects	2387	# reattach attachments to objects
2089	warn "reattach";	2388	warn "reattach";
2090	_global_reattach;	2389	_global_reattach;
		2390	reattach $_ for values %MAP;
2091	};	2391	};
2092		2392
2093	if ($@) {	2393	if ($@) {
2094	warn $@;	2394	warn $@;
2095	warn "error while reloading, exiting.";	2395	warn "error while reloading, exiting.";
…		…
2111	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";	2411	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2112	$LINK_MAP->in_memory (MAP_IN_MEMORY);	2412	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2113		2413
2114	# dirty hack because... archetypes are not yet loaded	2414	# dirty hack because... archetypes are not yet loaded
2115	Event->timer (	2415	Event->timer (
2116	after => 2,	2416	after => 10,
2117	cb => sub {	2417	cb => sub {
2118	$_[0]->w->cancel;	2418	$_[0]->w->cancel;
2119		2419
2120	# provide some exits "home"	2420	# provide some exits "home"
2121	my $exit = cf::object::new "exit";	2421	my $exit = cf::object::new "exit";
…		…
2160	reentrant => 0,	2460	reentrant => 0,
2161	prio => 0,	2461	prio => 0,
2162	at => $NEXT_TICK \|\| $TICK,	2462	at => $NEXT_TICK \|\| $TICK,
2163	data => WF_AUTOCANCEL,	2463	data => WF_AUTOCANCEL,
2164	cb => sub {	2464	cb => sub {
2165	unless ($FREEZE) {
2166	cf::server_tick; # one server iteration	2465	cf::server_tick; # one server iteration
2167	$RUNTIME += $TICK;	2466	$RUNTIME += $TICK;
2168	}
2169
2170	$NEXT_TICK += $TICK;	2467	$NEXT_TICK += $TICK;
		2468
		2469	$WAIT_FOR_TICK->broadcast;
		2470	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2171		2471
2172	# if we are delayed by four ticks or more, skip them all	2472	# if we are delayed by four ticks or more, skip them all
2173	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2473	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2174		2474
2175	$TICK_WATCHER->at ($NEXT_TICK);	2475	$TICK_WATCHER->at ($NEXT_TICK);

Diff Legend

-–
+Removed lines
-+
+Added lines
-<
+Changed lines
->
+Changed lines

Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.127 by root, Wed Jan 3 00:05:26 2007 UTC vs. Revision 1.157 by root, Wed Jan 10 01:16:54 2007 UTC

Diff Legend

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.127 by root, Wed Jan 3 00:05:26 2007 UTC vs.
Revision 1.157 by root, Wed Jan 10 01:16:54 2007 UTC