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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.123 by root, Tue Jan 2 19:18:33 2007 UTC vs.
Revision 1.157 by root, Wed Jan 10 01:16:54 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 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	}
		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	$guard
		265	}
		266
		267	=item cf::async { BLOCK }
		268
		269	Currently the same as Coro::async_pool, meaning you cannot use
		270	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		271	thing you are allowed to do is call C<prio> on it.
		272
		273	=cut
		274
		275	BEGIN { *async = \&Coro::async_pool }
249		276
250	=item cf::sync_job { BLOCK }	277	=item cf::sync_job { BLOCK }
251		278
252	The design of crossfire+ requires that the main coro ($Coro::main) is	279	The design of crossfire+ requires that the main coro ($Coro::main) is
253	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
…		…
267	# this is the main coro, too bad, we have to block	294	# this is the main coro, too bad, we have to block
268	# till the operation succeeds, freezing the server :/	295	# till the operation succeeds, freezing the server :/
269		296
270	# TODO: use suspend/resume instead	297	# TODO: use suspend/resume instead
271	# (but this is cancel-safe)	298	# (but this is cancel-safe)
272	local $FREEZE = 1;	299	my $freeze_guard = freeze_mainloop;
273		300
274	my $busy = 1;	301	my $busy = 1;
275	my @res;	302	my @res;
276		303
277	(Coro::async {	304	(async {
278	@res = eval { $job->() };	305	@res = eval { $job->() };
279	warn $@ if $@;	306	warn $@ if $@;
280	undef $busy;	307	undef $busy;
281	})->prio (Coro::PRIO_MAX);	308	})->prio (Coro::PRIO_MAX);
282		309
283	while ($busy) {	310	while ($busy) {
284	Coro::cede_notself;	311	Coro::cede or Event::one_event;
285	Event::one_event unless Coro::nready;
286	}	312	}
287		313
288	wantarray ? @res : $res[0]	314	wantarray ? @res : $res[0]
289	} else {	315	} else {
290	# we are in another coroutine, how wonderful, everything just works	316	# we are in another coroutine, how wonderful, everything just works
291		317
292	$job->()	318	$job->()
293	}	319	}
294	}	320	}
295		321
296	=item $coro = cf::coro { BLOCK }	322	=item $coro = cf::async_ext { BLOCK }
297		323
298	Creates and returns a new coro. This coro is automcatially being canceled	324	Like async, but this coro is automcatially being canceled when the
299	when the extension calling this is being unloaded.	325	extension calling this is being unloaded.
300		326
301	=cut	327	=cut
302		328
303	sub coro(&) {	329	sub async_ext(&) {
304	my $cb = shift;	330	my $cb = shift;
305		331
306	my $coro; $coro = async {	332	my $coro = &Coro::async ($cb);
307	eval {
308	$cb->();
309	};
310	warn $@ if $@;
311	};
312		333
313	$coro->on_destroy (sub {	334	$coro->on_destroy (sub {
314	delete $EXT_CORO{$coro+0};	335	delete $EXT_CORO{$coro+0};
315	});	336	});
316	$EXT_CORO{$coro+0} = $coro;	337	$EXT_CORO{$coro+0} = $coro;
…		…
345	=cut	366	=cut
346		367
347	#############################################################################	368	#############################################################################
348		369
349	package cf::path;	370	package cf::path;
		371
		372	# used to convert map paths into valid unix filenames by repalcing / by ∕
		373	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
350		374
351	sub new {	375	sub new {
352	my ($class, $path, $base) = @_;	376	my ($class, $path, $base) = @_;
353		377
354	$path = $path->as_string if ref $path;	378	$path = $path->as_string if ref $path;
…		…
418	# }	442	# }
419	}	443	}
420		444
421	# escape the /'s in the path	445	# escape the /'s in the path
422	sub _escaped_path {	446	sub _escaped_path {
423	# ∕ is U+2215
424	(my $path = $_[0]{path}) =~ s/\//∕/g;	447	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
425	$path	448	$path
426	}	449	}
427		450
428	# the original (read-only) location	451	# the original (read-only) location
429	sub load_path {	452	sub load_path {
…		…
1056	};	1079	};
1057		1080
1058	cf::map->attach (prio => -10000, package => cf::mapsupport::);	1081	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1059		1082
1060	#############################################################################	1083	#############################################################################
1061	# load/save perl data associated with player->ob objects
1062
1063	sub all_objects(@) {
1064	@_, map all_objects ($_->inv), @_
1065	}
1066
1067	# TODO: compatibility cruft, remove when no longer needed
1068	cf::player->attach (
1069	on_load => sub {
1070	my ($pl, $path) = @_;
1071
1072	for my $o (all_objects $pl->ob) {
1073	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1074	$o->set_ob_key_value ("_perl_data");
1075
1076	%$o = %{ Storable::thaw pack "H*", $value };
1077	}
1078	}
1079	},
1080	);
1081
1082	#############################################################################
1083		1084
1084	=head2 CORE EXTENSIONS	1085	=head2 CORE EXTENSIONS
1085		1086
1086	Functions and methods that extend core crossfire objects.	1087	Functions and methods that extend core crossfire objects.
1087		1088
		1089	=cut
		1090
		1091	package cf::player;
		1092
		1093	use Coro::AIO;
		1094
1088	=head3 cf::player	1095	=head3 cf::player
1089		1096
1090	=over 4	1097	=over 4
1091		1098
1092	=item cf::player::exists $login	1099	=item cf::player::find $login
1093		1100
1094	Returns true when the given account exists.	1101	Returns the given player object, loading it if necessary (might block).
1095		1102
1096	=cut	1103	=cut
1097		1104
1098	sub cf::player::exists($) {	1105	sub playerdir($) {
1099	cf::player::find $_[0]	1106	cf::localdir
1100	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[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
1101	}	1252	}
1102		1253
1103	=item $player->ext_reply ($msgid, $msgtype, %msg)	1254	=item $player->ext_reply ($msgid, $msgtype, %msg)
1104		1255
1105	Sends an ext reply to the player.	1256	Sends an ext reply to the player.
1106		1257
1107	=cut	1258	=cut
1108		1259
1109	sub cf::player::ext_reply($$$%) {	1260	sub ext_reply($$$%) {
1110	my ($self, $id, %msg) = @_;	1261	my ($self, $id, %msg) = @_;
1111		1262
1112	$msg{msgid} = $id;	1263	$msg{msgid} = $id;
1113		1264
1114	$self->send ("ext " . to_json \%msg);	1265	$self->send ("ext " . cf::to_json \%msg);
1115	}	1266	}
		1267
		1268	package cf;
1116		1269
1117	=back	1270	=back
1118		1271
1119		1272
1120	=head3 cf::map	1273	=head3 cf::map
…		…
1126	package cf::map;	1279	package cf::map;
1127		1280
1128	use Fcntl;	1281	use Fcntl;
1129	use Coro::AIO;	1282	use Coro::AIO;
1130		1283
1131	our $MAX_RESET = 7200;	1284	our $MAX_RESET = 3600;
1132	our $DEFAULT_RESET = 3600;	1285	our $DEFAULT_RESET = 3000;
1133		1286
1134	sub generate_random_map {	1287	sub generate_random_map {
1135	my ($path, $rmp) = @_;	1288	my ($path, $rmp) = @_;
1136		1289
1137	# mit "rum" bekleckern, nicht	1290	# mit "rum" bekleckern, nicht
…		…
1167	or return;	1320	or return;
1168		1321
1169	my $map = cf::map::new	1322	my $map = cf::map::new
1170	or return;	1323	or return;
1171		1324
		1325	# for better error messages only, will be overwritten
		1326	$map->path ($path);
		1327
1172	$map->load_header ($path)	1328	$map->load_header ($path)
1173	or return;	1329	or return;
1174		1330
1175	$map->{load_path} = $path;	1331	$map->{load_path} = $path;
1176		1332
1177	$map	1333	$map
1178	}	1334	}
1179		1335
		1336	sub find;
1180	sub find_map {	1337	sub find {
1181	my ($path, $origin) = @_;	1338	my ($path, $origin) = @_;
1182		1339
1183	#warn "find_map<$path,$origin>\n";#d#	1340	#warn "find<$path,$origin>\n";#d#
1184		1341
1185	$path = new cf::path $path, $origin && $origin->path;	1342	$path = new cf::path $path, $origin && $origin->path;
1186	my $key = $path->as_string;	1343	my $key = $path->as_string;
1187		1344
1188	cf::lock_wait "map_find:$key";	1345	cf::lock_wait "map_find:$key";
…		…
1191	my $guard = cf::lock_acquire "map_find:$key";	1348	my $guard = cf::lock_acquire "map_find:$key";
1192		1349
1193	# do it the slow way	1350	# do it the slow way
1194	my $map = try_load_header $path->save_path;	1351	my $map = try_load_header $path->save_path;
1195		1352
		1353	Coro::cede;
		1354
1196	if ($map) {	1355	if ($map) {
		1356	$map->last_access ((delete $map->{last_access})
		1357	\|\| $cf::RUNTIME); #d#
1197	# safety	1358	# safety
1198	$map->{instantiate_time} = $cf::RUNTIME	1359	$map->{instantiate_time} = $cf::RUNTIME
1199	if $map->{instantiate_time} > $cf::RUNTIME;	1360	if $map->{instantiate_time} > $cf::RUNTIME;
1200	} else {	1361	} else {
1201	if (my $rmp = $path->random_map_params) {	1362	if (my $rmp = $path->random_map_params) {
…		…
1206		1367
1207	$map or return;	1368	$map or return;
1208		1369
1209	$map->{load_original} = 1;	1370	$map->{load_original} = 1;
1210	$map->{instantiate_time} = $cf::RUNTIME;	1371	$map->{instantiate_time} = $cf::RUNTIME;
		1372	$map->last_access ($cf::RUNTIME);
1211	$map->instantiate;	1373	$map->instantiate;
1212		1374
1213	# per-player maps become, after loading, normal maps	1375	# per-player maps become, after loading, normal maps
1214	$map->per_player (0) if $path->{user_rel};	1376	$map->per_player (0) if $path->{user_rel};
1215	}	1377	}
1216		1378
1217	$map->path ($key);	1379	$map->path ($key);
1218	$map->{path} = $path;	1380	$map->{path} = $path;
1219	$map->{last_save} = $cf::RUNTIME;	1381	$map->{last_save} = $cf::RUNTIME;
1220	$map->last_access ($cf::RUNTIME);	1382
		1383	Coro::cede;
1221		1384
1222	if ($map->should_reset) {	1385	if ($map->should_reset) {
1223	$map->reset;	1386	$map->reset;
1224	undef $guard;	1387	undef $guard;
1225	$map = find_map $path;	1388	$map = find $path
		1389	or return;
1226	}	1390	}
1227		1391
1228	$cf::MAP{$key} = $map	1392	$cf::MAP{$key} = $map
1229	}	1393	}
1230	}	1394	}
…		…
1251	if (aio_open $uniq, O_RDONLY, 0) {	1415	if (aio_open $uniq, O_RDONLY, 0) {
1252	$self->clear_unique_items;	1416	$self->clear_unique_items;
1253	$self->load_objects ($uniq, 0);	1417	$self->load_objects ($uniq, 0);
1254	}	1418	}
1255	}	1419	}
		1420
		1421	Coro::cede;
1256		1422
1257	# now do the right thing for maps	1423	# now do the right thing for maps
1258	$self->link_multipart_objects;	1424	$self->link_multipart_objects;
1259		1425
1260	if ($self->{path}->is_style_map) {	1426	if ($self->{path}->is_style_map) {
…		…
1268	$self->difficulty ($self->estimate_difficulty)	1434	$self->difficulty ($self->estimate_difficulty)
1269	unless $self->difficulty;	1435	unless $self->difficulty;
1270	$self->activate;	1436	$self->activate;
1271	}	1437	}
1272		1438
		1439	Coro::cede;
		1440
1273	$self->in_memory (cf::MAP_IN_MEMORY);	1441	$self->in_memory (cf::MAP_IN_MEMORY);
1274	}	1442	}
1275		1443
1276	sub load_map_sync {	1444	# find and load all maps in the 3x3 area around a map
		1445	sub load_diag {
		1446	my ($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	$neigh->load;
		1465	}
		1466	}
		1467
		1468	sub find_sync {
1277	my ($path, $origin) = @_;	1469	my ($path, $origin) = @_;
1278		1470
1279	#warn "load_map_sync<$path, $origin>\n";#d#	1471	cf::sync_job { find $path, $origin }
		1472	}
1280		1473
1281	cf::sync_job {	1474	sub do_load_sync {
1282	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
1283	or return;	1485	or next;
		1486	my $path = delete $MAP_PREFETCH{$key};
		1487
		1488	my $map = find $path
		1489	or next;
1284	$map->load;	1490	$map->load;
1285	$map	1491	}
		1492	Coro::schedule;
1286	}	1493	}
		1494	};
		1495
		1496	sub find_async {
		1497	my ($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	$MAP_PREFETCHER->ready;
		1508
		1509	()
1287	}	1510	}
1288		1511
1289	sub save {	1512	sub save {
1290	my ($self) = @_;	1513	my ($self) = @_;
1291		1514
		1515	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1516
1292	$self->{last_save} = $cf::RUNTIME;	1517	$self->{last_save} = $cf::RUNTIME;
1293		1518
1294	return unless $self->dirty;	1519	return unless $self->dirty;
1295		1520
1296	my $save = $self->{path}->save_path; utf8::encode $save;	1521	my $save = $self->{path}->save_path; utf8::encode $save;
1297	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1522	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1298		1523
1299	$self->{load_path} = $save;	1524	$self->{load_path} = $save;
1300		1525
1301	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 $self->players;
		1532	};
1302		1533
1303	if ($uniq) {	1534	if ($uniq) {
1304	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);	1535	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);
1305	$self->save_objects ($uniq, cf::IO_UNIQUES);	1536	$self->save_objects ($uniq, cf::IO_UNIQUES);
1306	} else {	1537	} else {
…		…
1309	}	1540	}
1310		1541
1311	sub swap_out {	1542	sub swap_out {
1312	my ($self) = @_;	1543	my ($self) = @_;
1313		1544
		1545	# save first because save cedes
		1546	$self->save;
		1547
		1548	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1549
1314	return if $self->players;	1550	return if $self->players;
1315	return if $self->in_memory != cf::MAP_IN_MEMORY;	1551	return if $self->in_memory != cf::MAP_IN_MEMORY;
1316	return if $self->{deny_save};	1552	return if $self->{deny_save};
1317		1553
1318	$self->save;
1319	$self->clear;	1554	$self->clear;
1320	$self->in_memory (cf::MAP_SWAPPED);	1555	$self->in_memory (cf::MAP_SWAPPED);
1321	}	1556	}
1322		1557
1323	sub reset_at {	1558	sub reset_at {
…		…
1361	}	1596	}
1362		1597
1363	sub reset {	1598	sub reset {
1364	my ($self) = @_;	1599	my ($self) = @_;
1365		1600
		1601	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1602
1366	return if $self->players;	1603	return if $self->players;
1367	return if $self->{path}{user_rel};#d#	1604	return if $self->{path}{user_rel};#d#
1368		1605
1369	warn "resetting map ", $self->path;#d#	1606	warn "resetting map ", $self->path;#d#
1370		1607
…		…
1389		1626
1390	sub customise_for {	1627	sub customise_for {
1391	my ($map, $ob) = @_;	1628	my ($map, $ob) = @_;
1392		1629
1393	if ($map->per_player) {	1630	if ($map->per_player) {
1394	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1631	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1395	}	1632	}
1396		1633
1397	$map	1634	$map
1398	}	1635	}
1399		1636
1400	sub emergency_save {
1401	local $cf::FREEZE = 1;
1402
1403	warn "enter emergency map save\n";
1404
1405	cf::sync_job {
1406	warn "begin emergency map save\n";
1407	$_->save for values %cf::MAP;
1408	};
1409
1410	warn "end emergency map save\n";
1411	}
1412
1413	package cf;	1637	package cf;
1414		1638
1415	=back	1639	=back
1416		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
1417		1667
1418	=head3 cf::object::player	1668	=head3 cf::object::player
1419		1669
1420	=over 4	1670	=over 4
1421		1671
…		…
1496	my $link_pos = delete $self->{_link_pos};	1746	my $link_pos = delete $self->{_link_pos};
1497		1747
1498	unless ($map) {	1748	unless ($map) {
1499	# restore original map position	1749	# restore original map position
1500	($map, $x, $y) = @{ $link_pos \|\| [] };	1750	($map, $x, $y) = @{ $link_pos \|\| [] };
1501	$map = cf::map::find_map $map;	1751	$map = cf::map::find $map;
1502		1752
1503	unless ($map) {	1753	unless ($map) {
1504	($map, $x, $y) = @$EMERGENCY_POSITION;	1754	($map, $x, $y) = @$EMERGENCY_POSITION;
1505	$map = cf::map::find_map $map	1755	$map = cf::map::find $map
1506	or die "FATAL: cannot load emergency map\n";	1756	or die "FATAL: cannot load emergency map\n";
1507	}	1757	}
1508	}	1758	}
1509		1759
1510	($x, $y) = (-1, -1)	1760	($x, $y) = (-1, -1)
…		…
1513	# use -1 or undef as default coordinates, not 0, 0	1763	# use -1 or undef as default coordinates, not 0, 0
1514	($x, $y) = ($map->enter_x, $map->enter_y)	1764	($x, $y) = ($map->enter_x, $map->enter_y)
1515	if $x <=0 && $y <= 0;	1765	if $x <=0 && $y <= 0;
1516		1766
1517	$map->load;	1767	$map->load;
		1768	$map->load_diag;
1518		1769
		1770	return unless $self->contr->active;
1519	$self->activate_recursive;	1771	$self->activate_recursive;
1520	$self->enter_map ($map, $x, $y);	1772	$self->enter_map ($map, $x, $y);
1521	}	1773	}
1522		1774
1523	cf::player->attach (	1775	cf::player->attach (
…		…
1536		1788
1537	# try to abort aborted map switching on player login :)	1789	# try to abort aborted map switching on player login :)
1538	# should happen only on crashes	1790	# should happen only on crashes
1539	if ($pl->ob->{_link_pos}) {	1791	if ($pl->ob->{_link_pos}) {
1540	$pl->ob->enter_link;	1792	$pl->ob->enter_link;
1541	Coro::async {	1793	(async {
1542	# 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
1543	# 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);
1544	Coro::Timer::sleep 1;	1800	Coro::Timer::sleep 1;
1545	$pl->ob->leave_link;	1801	$pl->ob->leave_link;
1546	};	1802	})->prio (2);
1547	}	1803	}
1548	},	1804	},
1549	);	1805	);
1550		1806
1551	=item $player_object->goto_map ($path, $x, $y)	1807	=item $player_object->goto ($path, $x, $y)
1552		1808
1553	=cut	1809	=cut
1554		1810
1555	sub cf::object::player::goto_map {	1811	sub cf::object::player::goto {
1556	my ($self, $path, $x, $y) = @_;	1812	my ($self, $path, $x, $y) = @_;
1557		1813
		1814	$path = new cf::path $path;
		1815	$path ne "/" or Carp::cluck ("oy");#d#
		1816
1558	$self->enter_link;	1817	$self->enter_link;
1559		1818
1560	(Coro::async {	1819	(async {
1561	$path = new cf::path $path;
1562
1563	my $map = cf::map::find_map $path->as_string;	1820	my $map = cf::map::find $path->as_string;
1564	$map = $map->customise_for ($self) if $map;	1821	$map = $map->customise_for ($self) if $map;
1565		1822
1566	# warn "entering ", $map->path, " at ($x, $y)\n"	1823	# warn "entering ", $map->path, " at ($x, $y)\n"
1567	# if $map;	1824	# if $map;
1568		1825
1569	$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);
1570		1827
1571	$self->leave_link ($map, $x, $y);	1828	$self->leave_link ($map, $x, $y);
1572	})->prio (1);	1829	})->prio (1);
1573	}	1830	}
1574		1831
…		…
1627		1884
1628	return unless $self->type == cf::PLAYER;	1885	return unless $self->type == cf::PLAYER;
1629		1886
1630	$self->enter_link;	1887	$self->enter_link;
1631		1888
1632	(Coro::async {	1889	(async {
		1890	$self->deactivate_recursive; # just to be sure
1633	unless (eval {	1891	unless (eval {
1634
1635	prepare_random_map $exit	1892	prepare_random_map $exit
1636	if $exit->slaying eq "/!";	1893	if $exit->slaying eq "/!";
1637		1894
1638	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;
1639	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1896	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1640		1897
1641	1;	1898	1;
1642	}) {	1899	}) {
1643	$self->message ("Something went wrong deep within the crossfire server. "	1900	$self->message ("Something went wrong deep within the crossfire server. "
1644	. "I'll try to bring you back to the map you were before. "	1901	. "I'll try to bring you back to the map you were before. "
…		…
1701	on_reply => sub {	1958	on_reply => sub {
1702	my ($ns, $msg) = @_;	1959	my ($ns, $msg) = @_;
1703		1960
1704	# this weird shuffling is so that direct followup queries	1961	# this weird shuffling is so that direct followup queries
1705	# get handled first	1962	# get handled first
1706	my $queue = delete $ns->{query_queue};	1963	my $queue = delete $ns->{query_queue}
		1964	or return; # be conservative, not sure how that can happen, but we saw a crash here
1707		1965
1708	(shift @$queue)->[1]->($msg);	1966	(shift @$queue)->[1]->($msg);
1709		1967
1710	push @{ $ns->{query_queue} }, @$queue;	1968	push @{ $ns->{query_queue} }, @$queue;
1711		1969
…		…
1717	}	1975	}
1718	}	1976	}
1719	},	1977	},
1720	);	1978	);
1721		1979
1722	=item $client->coro (\&cb)	1980	=item $client->async (\&cb)
1723		1981
1724	Create a new coroutine, running the specified callback. The coroutine will	1982	Create a new coroutine, running the specified callback. The coroutine will
1725	be automatically cancelled when the client gets destroyed (e.g. on logout,	1983	be automatically cancelled when the client gets destroyed (e.g. on logout,
1726	or loss of connection).	1984	or loss of connection).
1727		1985
1728	=cut	1986	=cut
1729		1987
1730	sub cf::client::coro {	1988	sub cf::client::async {
1731	my ($self, $cb) = @_;	1989	my ($self, $cb) = @_;
1732		1990
1733	my $coro; $coro = async {	1991	my $coro = &Coro::async ($cb);
1734	eval {
1735	$cb->();
1736	};
1737	warn $@ if $@;
1738	};
1739		1992
1740	$coro->on_destroy (sub {	1993	$coro->on_destroy (sub {
1741	delete $self->{_coro}{$coro+0};	1994	delete $self->{_coro}{$coro+0};
1742	});	1995	});
1743		1996
…		…
1978	open my $fh, "<:utf8", cf::confdir . "/config"	2231	open my $fh, "<:utf8", cf::confdir . "/config"
1979	or return;	2232	or return;
1980		2233
1981	local $/;	2234	local $/;
1982	*CFG = YAML::Syck::Load <$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	}
1983	}	2249	}
1984		2250
1985	sub main {	2251	sub main {
1986	# we must not ever block the main coroutine	2252	# we must not ever block the main coroutine
1987	local $Coro::idle = sub {	2253	local $Coro::idle = sub {
1988	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#
1989	(Coro::unblock_sub {
1990	Event::one_event;	2255	async { Event::one_event };
1991	})->();
1992	};	2256	};
1993		2257
1994	cfg_load;	2258	cfg_load;
1995	db_load;	2259	db_load;
1996	load_extensions;	2260	load_extensions;
1997	Event::loop;	2261	Event::loop;
1998	}	2262	}
1999		2263
2000	#############################################################################	2264	#############################################################################
2001	# 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	$map->save;
		2302	}
		2303	warn "end emergency map save\n";
		2304	};
		2305
		2306	warn "leave emergency perl save\n";
		2307	}
2002		2308
2003	sub reload() {	2309	sub reload() {
2004	# can/must only be called in main	2310	# can/must only be called in main
2005	if ($Coro::current != $Coro::main) {	2311	if ($Coro::current != $Coro::main) {
2006	warn "can only reload from main coroutine\n";	2312	warn "can only reload from main coroutine\n";
2007	return;	2313	return;
2008	}	2314	}
2009		2315
2010	warn "reloading...";	2316	warn "reloading...";
2011		2317
2012	local $FREEZE = 1;	2318	my $guard = freeze_mainloop;
2013	cf::emergency_save;	2319	cf::emergency_save;
2014		2320
2015	eval {	2321	eval {
2016	# 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
2017		2323
…		…
2079	cf::load_extensions;	2385	cf::load_extensions;
2080		2386
2081	# reattach attachments to objects	2387	# reattach attachments to objects
2082	warn "reattach";	2388	warn "reattach";
2083	_global_reattach;	2389	_global_reattach;
		2390	reattach $_ for values %MAP;
2084	};	2391	};
2085		2392
2086	if ($@) {	2393	if ($@) {
2087	warn $@;	2394	warn $@;
2088	warn "error while reloading, exiting.";	2395	warn "error while reloading, exiting.";
…		…
2104	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";	2411	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2105	$LINK_MAP->in_memory (MAP_IN_MEMORY);	2412	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2106		2413
2107	# dirty hack because... archetypes are not yet loaded	2414	# dirty hack because... archetypes are not yet loaded
2108	Event->timer (	2415	Event->timer (
2109	after => 2,	2416	after => 10,
2110	cb => sub {	2417	cb => sub {
2111	$_[0]->w->cancel;	2418	$_[0]->w->cancel;
2112		2419
2113	# provide some exits "home"	2420	# provide some exits "home"
2114	my $exit = cf::object::new "exit";	2421	my $exit = cf::object::new "exit";
…		…
2153	reentrant => 0,	2460	reentrant => 0,
2154	prio => 0,	2461	prio => 0,
2155	at => $NEXT_TICK \|\| $TICK,	2462	at => $NEXT_TICK \|\| $TICK,
2156	data => WF_AUTOCANCEL,	2463	data => WF_AUTOCANCEL,
2157	cb => sub {	2464	cb => sub {
2158	unless ($FREEZE) {
2159	cf::server_tick; # one server iteration	2465	cf::server_tick; # one server iteration
2160	$RUNTIME += $TICK;	2466	$RUNTIME += $TICK;
2161	}
2162
2163	$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;
2164		2471
2165	# 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
2166	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2473	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2167		2474
2168	$TICK_WATCHER->at ($NEXT_TICK);	2475	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2190	or warn "ERROR: unable to write runtime file: $!";	2497	or warn "ERROR: unable to write runtime file: $!";
2191	})->();	2498	})->();
2192	},	2499	},
2193	);	2500	);
2194		2501
		2502	END { cf::emergency_save }
		2503
2195	1	2504	1
2196		2505

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.123 by root, Tue Jan 2 19:18:33 2007 UTC vs. Revision 1.157 by root, Wed Jan 10 01:16:54 2007 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.123 by root, Tue Jan 2 19:18:33 2007 UTC vs.
Revision 1.157 by root, Wed Jan 10 01:16:54 2007 UTC