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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.108 by root, Sun Dec 31 21:02:05 2006 UTC vs.
Revision 1.147 by root, Mon Jan 8 12:23:33 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 Digest::MD5;
21	use Fcntl;	21	use Fcntl;
22	use IO::AIO 2.31 ();	22	use IO::AIO 2.32 ();
23	use YAML::Syck ();	23	use YAML::Syck ();
24	use Time::HiRes;	24	use Time::HiRes;
25		25
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	26	use Event; $Event::Eval = 1; # no idea why this is required, but it is
27		27
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	29	$YAML::Syck::ImplicitUnicode = 1;
30		30
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		34
35	our %COMMAND = ();	35	our %COMMAND = ();
36	our %COMMAND_TIME = ();	36	our %COMMAND_TIME = ();
…		…
47	our %CFG;	47	our %CFG;
48		48
49	our $UPTIME; $UPTIME \|\|= time;	49	our $UPTIME; $UPTIME \|\|= time;
50	our $RUNTIME;	50	our $RUNTIME;
51		51
		52	our %PLAYER; # all users
52	our %MAP; # all maps	53	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	54	our $LINK_MAP; # the special {link} map
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	55	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	56	our %EXT_CORO; # coroutines bound to extensions
57		57
58	binmode STDOUT;	58	binmode STDOUT;
59	binmode STDERR;	59	binmode STDERR;
60		60
61	# read virtual server time, if available	61	# read virtual server time, if available
…		…
71	mkdir cf::localdir . "/" . cf::uniquedir;	71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	72	mkdir $RANDOM_MAPS;
73		73
74	# a special map that is always available	74	# a special map that is always available
75	our $LINK_MAP;	75	our $LINK_MAP;
		76	our $EMERGENCY_POSITION;
76		77
77	#############################################################################	78	#############################################################################
78		79
79	=head2 GLOBAL VARIABLES	80	=head2 GLOBAL VARIABLES
80		81
…		…
117	utf8::encode $msg;	118	utf8::encode $msg;
118		119
119	$msg .= "\n"	120	$msg .= "\n"
120	unless $msg =~ /\n$/;	121	unless $msg =~ /\n$/;
121		122
122	LOG llevError, "cfperl: $msg";	123	LOG llevError, $msg;
123	};	124	};
124	}	125	}
125		126
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
179	sub to_json($) {	180	sub to_json($) {
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]	182	JSON::Syck::Dump $_[0]
182	}	183	}
183		184
		185	=item cf::lock_wait $string
		186
		187	Wait until the given lock is available. See cf::lock_acquire.
		188
		189	=item my $lock = cf::lock_acquire $string
		190
		191	Wait until the given lock is available and then acquires it and returns
		192	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		193	for example when the coroutine gets canceled), the lock is automatically
		194	returned.
		195
		196	Lock names should begin with a unique identifier (for example, cf::map::find
		197	uses map_find and cf::map::load uses map_load).
		198
		199	=cut
		200
		201	our %LOCK;
		202
		203	sub lock_wait($) {
		204	my ($key) = @_;
		205
		206	# wait for lock, if any
		207	while ($LOCK{$key}) {
		208	push @{ $LOCK{$key} }, $Coro::current;
		209	Coro::schedule;
		210	}
		211	}
		212
		213	sub lock_acquire($) {
		214	my ($key) = @_;
		215
		216	# wait, to be sure we are not locked
		217	lock_wait $key;
		218
		219	$LOCK{$key} = [];
		220
		221	Coro::guard {
		222	# wake up all waiters, to be on the safe side
		223	$_->ready for @{ delete $LOCK{$key} };
		224	}
		225	}
		226
		227	sub freeze_mainloop {
		228	return unless $TICK_WATCHER->is_active;
		229
		230	my $guard = Coro::guard { $TICK_WATCHER->start };
		231	$TICK_WATCHER->stop;
		232	$guard
		233	}
		234
		235	=item cf::async { BLOCK }
		236
		237	Currently the same as Coro::async_pool, meaning you cannot use
		238	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		239	thing you are allowed to do is call C<prio> on it.
		240
		241	=cut
		242
		243	BEGIN { *async = \&Coro::async_pool }
		244
184	=item cf::sync_job { BLOCK }	245	=item cf::sync_job { BLOCK }
185		246
186	The design of crossfire+ requires that the main coro ($Coro::main) is	247	The design of crossfire+ requires that the main coro ($Coro::main) is
187	always able to handle events or runnable, as crossfire+ is only partly	248	always able to handle events or runnable, as crossfire+ is only partly
188	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	249	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.
…		…
195	=cut	256	=cut
196		257
197	sub sync_job(&) {	258	sub sync_job(&) {
198	my ($job) = @_;	259	my ($job) = @_;
199		260
200	my $busy = 1;
201	my @res;
202
203	# TODO: use suspend/resume instead
204	local $FREEZE = 1;
205
206	my $coro = Coro::async {
207	@res = eval { $job->() };
208	warn $@ if $@;
209	undef $busy;
210	};
211
212	if ($Coro::current == $Coro::main) {	261	if ($Coro::current == $Coro::main) {
		262	# this is the main coro, too bad, we have to block
		263	# till the operation succeeds, freezing the server :/
		264
		265	# TODO: use suspend/resume instead
		266	# (but this is cancel-safe)
		267	my $freeze_guard = freeze_mainloop;
		268
		269	my $busy = 1;
		270	my @res;
		271
		272	(async {
		273	@res = eval { $job->() };
		274	warn $@ if $@;
		275	undef $busy;
213	$coro->prio (Coro::PRIO_MAX);	276	})->prio (Coro::PRIO_MAX);
		277
214	while ($busy) {	278	while ($busy) {
215	Coro::cede_notself;	279	Coro::cede or Event::one_event;
216	Event::one_event unless Coro::nready;
217	}	280	}
		281
		282	wantarray ? @res : $res[0]
218	} else {	283	} else {
219	$coro->join;	284	# we are in another coroutine, how wonderful, everything just works
		285
		286	$job->()
220	}	287	}
221
222	wantarray ? @res : $res[0]
223	}	288	}
224		289
225	=item $coro = cf::coro { BLOCK }	290	=item $coro = cf::async_ext { BLOCK }
226		291
227	Creates and returns a new coro. This coro is automcatially being canceled	292	Like async, but this coro is automcatially being canceled when the
228	when the extension calling this is being unloaded.	293	extension calling this is being unloaded.
229		294
230	=cut	295	=cut
231		296
232	sub coro(&) {	297	sub async_ext(&) {
233	my $cb = shift;	298	my $cb = shift;
234		299
235	my $coro; $coro = async {	300	my $coro = &Coro::async ($cb);
236	eval {
237	$cb->();
238	};
239	warn $@ if $@;
240	};
241		301
242	$coro->on_destroy (sub {	302	$coro->on_destroy (sub {
243	delete $EXT_CORO{$coro+0};	303	delete $EXT_CORO{$coro+0};
244	});	304	});
245	$EXT_CORO{$coro+0} = $coro;	305	$EXT_CORO{$coro+0} = $coro;
…		…
251	my $runtime = cf::localdir . "/runtime";	311	my $runtime = cf::localdir . "/runtime";
252		312
253	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644	313	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644
254	or return;	314	or return;
255		315
256	my $value = $cf::RUNTIME;	316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock
257	(aio_write $fh, 0, (length $value), $value, 0) <= 0	317	(aio_write $fh, 0, (length $value), $value, 0) <= 0
258	and return;	318	and return;
259		319
260	aio_fsync $fh	320	aio_fsync $fh
261	and return;	321	and return;
…		…
278	package cf::path;	338	package cf::path;
279		339
280	sub new {	340	sub new {
281	my ($class, $path, $base) = @_;	341	my ($class, $path, $base) = @_;
282		342
		343	$path = $path->as_string if ref $path;
		344
283	my $self = bless { }, $class;	345	my $self = bless { }, $class;
284		346
		347	# {... are special paths that are not touched
		348	# ?xxx/... are special absolute paths
		349	# ?random/... random maps
		350	# /! non-realised random map exit
		351	# /... normal maps
		352	# ~/... per-player maps without a specific player (DO NOT USE)
		353	# ~user/... per-player map of a specific user
		354
		355	if ($path =~ /^{/) {
		356	# fine as it is
285	if ($path =~ s{^\?random/}{}) {	357	} elsif ($path =~ s{^\?random/}{}) {
		358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
286	$self->{random} = cf::from_json $path;	359	$self->{random} = cf::from_json $data;
287	} else {	360	} else {
288	if ($path =~ s{^~([^/]+)?}{}) {	361	if ($path =~ s{^~([^/]+)?}{}) {
289	$self->{user_rel} = 1;	362	$self->{user_rel} = 1;
290		363
291	if (defined $1) {	364	if (defined $1) {
…		…
324		397
325	# the displayed name, this is a one way mapping	398	# the displayed name, this is a one way mapping
326	sub visible_name {	399	sub visible_name {
327	my ($self) = @_;	400	my ($self) = @_;
328		401
329	$self->{random} ? "?random/$self->{random}{origin_map}+$self->{random}{origin_x}+$self->{random}{origin_y}/$self->{random}{dungeon_level}"	402	# if (my $rmp = $self->{random}) {
330	: $self->as_string	403	# # todo: be more intelligent about this
		404	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
		405	# } else {
		406	$self->as_string
		407	# }
331	}	408	}
332		409
333	# escape the /'s in the path	410	# escape the /'s in the path
334	sub _escaped_path {	411	sub _escaped_path {
335	# ∕ is U+2215	412	# ∕ is U+2215
…		…
347	# the temporary/swap location	424	# the temporary/swap location
348	sub save_path {	425	sub save_path {
349	my ($self) = @_;	426	my ($self) = @_;
350		427
351	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path	428	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
352	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, Digest::MD5::md5_hex $self->{path}	429	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
353	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path	430	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
354	}	431	}
355		432
356	# the unique path, might be eq to save_path	433	# the unique path, might be eq to save_path
357	sub uniq_path {	434	sub uniq_path {
…		…
790	or return;	867	or return;
791		868
792	unless (aio_stat "$filename.pst") {	869	unless (aio_stat "$filename.pst") {
793	(aio_load "$filename.pst", $av) >= 0	870	(aio_load "$filename.pst", $av) >= 0
794	or return;	871	or return;
795	$av = eval { (Storable::thaw <$av>)->{objs} };	872	$av = eval { (Storable::thaw $av)->{objs} };
796	}	873	}
797		874
		875	warn sprintf "loading %s (%d)\n",
		876	$filename, length $data, scalar @{$av \|\| []};#d#
798	return ($data, $av);	877	return ($data, $av);
799	}	878	}
800		879
801	#############################################################################	880	#############################################################################
802	# command handling &c	881	# command handling &c
…		…
993		1072
994	=head2 CORE EXTENSIONS	1073	=head2 CORE EXTENSIONS
995		1074
996	Functions and methods that extend core crossfire objects.	1075	Functions and methods that extend core crossfire objects.
997		1076
		1077	=cut
		1078
		1079	package cf::player;
		1080
998	=head3 cf::player	1081	=head3 cf::player
999		1082
1000	=over 4	1083	=over 4
1001		1084
1002	=item cf::player::exists $login	1085	=item cf::player::find $login
1003		1086
1004	Returns true when the given account exists.	1087	Returns the given player object, loading it if necessary (might block).
1005		1088
1006	=cut	1089	=cut
1007		1090
1008	sub cf::player::exists($) {	1091	sub playerdir($) {
1009	cf::player::find $_[0]	1092	cf::localdir
1010	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[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
		1138	IO::AIO::aio_mkdir playerdir $pl, 0770;
		1139	$pl->{last_save} = $cf::RUNTIME;
		1140
		1141	Coro::cede;
		1142	$pl->save_pl ($path);
		1143	Coro::cede;
		1144	}
		1145
		1146	sub new($) {
		1147	my ($login) = @_;
		1148
		1149	my $self = create;
		1150
		1151	$self->ob->name ($login);
		1152	$self->{deny_save} = 1;
		1153
		1154	$cf::PLAYER{$login} = $self;
		1155
		1156	$self
		1157	}
		1158
		1159	sub quit_character {
		1160	my ($pl) = @_;
		1161
		1162	$pl->{deny_save} = 1;
		1163	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1164
		1165	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1166	$pl->deactivate;
		1167	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1168	$pl->ns->destroy if $pl->ns;
		1169
		1170	my $path = playerdir $pl;
		1171	my $temp = "$path~$cf::RUNTIME~deleting~";
		1172	IO::AIO::aio_rename $path, $temp, sub {
		1173	delete $cf::PLAYER{$pl->ob->name};
		1174	$pl->destroy;
		1175
		1176	IO::AIO::aio_rmtree $temp;
		1177	};
1011	}	1178	}
1012		1179
1013	=item $player->ext_reply ($msgid, $msgtype, %msg)	1180	=item $player->ext_reply ($msgid, $msgtype, %msg)
1014		1181
1015	Sends an ext reply to the player.	1182	Sends an ext reply to the player.
1016		1183
1017	=cut	1184	=cut
1018		1185
1019	sub cf::player::ext_reply($$$%) {	1186	sub ext_reply($$$%) {
1020	my ($self, $id, %msg) = @_;	1187	my ($self, $id, %msg) = @_;
1021		1188
1022	$msg{msgid} = $id;	1189	$msg{msgid} = $id;
1023		1190
1024	$self->send ("ext " . to_json \%msg);	1191	$self->send ("ext " . cf::to_json \%msg);
1025	}	1192	}
		1193
		1194	package cf;
1026		1195
1027	=back	1196	=back
		1197
		1198
		1199	=head3 cf::map
		1200
		1201	=over 4
		1202
		1203	=cut
		1204
		1205	package cf::map;
		1206
		1207	use Fcntl;
		1208	use Coro::AIO;
		1209
		1210	our $MAX_RESET = 3600;
		1211	our $DEFAULT_RESET = 3000;
		1212
		1213	sub generate_random_map {
		1214	my ($path, $rmp) = @_;
		1215
		1216	# mit "rum" bekleckern, nicht
		1217	cf::map::_create_random_map
		1218	$path,
		1219	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
		1220	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
		1221	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
		1222	$rmp->{exit_on_final_map},
		1223	$rmp->{xsize}, $rmp->{ysize},
		1224	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
		1225	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
		1226	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
		1227	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
		1228	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
		1229	(cf::region::find $rmp->{region})
		1230	}
		1231
		1232	# and all this just because we cannot iterate over
		1233	# all maps in C++...
		1234	sub change_all_map_light {
		1235	my ($change) = @_;
		1236
		1237	$_->change_map_light ($change)
		1238	for grep $_->outdoor, values %cf::MAP;
		1239	}
		1240
		1241	sub try_load_header($) {
		1242	my ($path) = @_;
		1243
		1244	utf8::encode $path;
		1245	aio_open $path, O_RDONLY, 0
		1246	or return;
		1247
		1248	my $map = cf::map::new
		1249	or return;
		1250
		1251	# for better error messages only, will be overwritten
		1252	$map->path ($path);
		1253
		1254	$map->load_header ($path)
		1255	or return;
		1256
		1257	$map->{load_path} = $path;
		1258
		1259	$map
		1260	}
		1261
		1262	sub find;
		1263	sub find {
		1264	my ($path, $origin) = @_;
		1265
		1266	#warn "find<$path,$origin>\n";#d#
		1267
		1268	$path = new cf::path $path, $origin && $origin->path;
		1269	my $key = $path->as_string;
		1270
		1271	cf::lock_wait "map_find:$key";
		1272
		1273	$cf::MAP{$key} \|\| do {
		1274	my $guard = cf::lock_acquire "map_find:$key";
		1275
		1276	# do it the slow way
		1277	my $map = try_load_header $path->save_path;
		1278
		1279	Coro::cede;
		1280
		1281	if ($map) {
		1282	$map->last_access ((delete $map->{last_access})
		1283	\|\| $cf::RUNTIME); #d#
		1284	# safety
		1285	$map->{instantiate_time} = $cf::RUNTIME
		1286	if $map->{instantiate_time} > $cf::RUNTIME;
		1287	} else {
		1288	if (my $rmp = $path->random_map_params) {
		1289	$map = generate_random_map $key, $rmp;
		1290	} else {
		1291	$map = try_load_header $path->load_path;
		1292	}
		1293
		1294	$map or return;
		1295
		1296	$map->{load_original} = 1;
		1297	$map->{instantiate_time} = $cf::RUNTIME;
		1298	$map->last_access ($cf::RUNTIME);
		1299	$map->instantiate;
		1300
		1301	# per-player maps become, after loading, normal maps
		1302	$map->per_player (0) if $path->{user_rel};
		1303	}
		1304
		1305	$map->path ($key);
		1306	$map->{path} = $path;
		1307	$map->{last_save} = $cf::RUNTIME;
		1308
		1309	Coro::cede;
		1310
		1311	if ($map->should_reset) {
		1312	$map->reset;
		1313	undef $guard;
		1314	$map = find $path
		1315	or return;
		1316	}
		1317
		1318	$cf::MAP{$key} = $map
		1319	}
		1320	}
		1321
		1322	sub load {
		1323	my ($self) = @_;
		1324
		1325	my $path = $self->{path};
		1326	my $guard = cf::lock_acquire "map_load:" . $path->as_string;
		1327
		1328	return if $self->in_memory != cf::MAP_SWAPPED;
		1329
		1330	$self->in_memory (cf::MAP_LOADING);
		1331
		1332	$self->alloc;
		1333	$self->load_objects ($self->{load_path}, 1)
		1334	or return;
		1335
		1336	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1337	if delete $self->{load_original};
		1338
		1339	if (my $uniq = $path->uniq_path) {
		1340	utf8::encode $uniq;
		1341	if (aio_open $uniq, O_RDONLY, 0) {
		1342	$self->clear_unique_items;
		1343	$self->load_objects ($uniq, 0);
		1344	}
		1345	}
		1346
		1347	Coro::cede;
		1348
		1349	# now do the right thing for maps
		1350	$self->link_multipart_objects;
		1351
		1352	if ($self->{path}->is_style_map) {
		1353	$self->{deny_save} = 1;
		1354	$self->{deny_reset} = 1;
		1355	} else {
		1356	$self->fix_auto_apply;
		1357	$self->decay_objects;
		1358	$self->update_buttons;
		1359	$self->set_darkness_map;
		1360	$self->difficulty ($self->estimate_difficulty)
		1361	unless $self->difficulty;
		1362	$self->activate;
		1363	}
		1364
		1365	Coro::cede;
		1366
		1367	$self->in_memory (cf::MAP_IN_MEMORY);
		1368	}
		1369
		1370	sub find_sync {
		1371	my ($path, $origin) = @_;
		1372
		1373	cf::sync_job { cf::map::find $path, $origin }
		1374	}
		1375
		1376	sub do_load_sync {
		1377	my ($map) = @_;
		1378
		1379	cf::sync_job { $map->load };
		1380	}
		1381
		1382	sub save {
		1383	my ($self) = @_;
		1384
		1385	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1386
		1387	$self->{last_save} = $cf::RUNTIME;
		1388
		1389	return unless $self->dirty;
		1390
		1391	my $save = $self->{path}->save_path; utf8::encode $save;
		1392	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
		1393
		1394	$self->{load_path} = $save;
		1395
		1396	return if $self->{deny_save};
		1397
		1398	local $self->{last_access} = $self->last_access;#d#
		1399
		1400	cf::async {
		1401	$_->contr->save for $self->players;
		1402	};
		1403
		1404	if ($uniq) {
		1405	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);
		1406	$self->save_objects ($uniq, cf::IO_UNIQUES);
		1407	} else {
		1408	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS \| cf::IO_UNIQUES);
		1409	}
		1410	}
		1411
		1412	sub swap_out {
		1413	my ($self) = @_;
		1414
		1415	# save first because save cedes
		1416	$self->save;
		1417
		1418	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1419
		1420	return if $self->players;
		1421	return if $self->in_memory != cf::MAP_IN_MEMORY;
		1422	return if $self->{deny_save};
		1423
		1424	$self->clear;
		1425	$self->in_memory (cf::MAP_SWAPPED);
		1426	}
		1427
		1428	sub reset_at {
		1429	my ($self) = @_;
		1430
		1431	# TODO: safety, remove and allow resettable per-player maps
		1432	return 1e99 if $self->{path}{user_rel};
		1433	return 1e99 if $self->{deny_reset};
		1434
		1435	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1436	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;
		1437
		1438	$time + $to
		1439	}
		1440
		1441	sub should_reset {
		1442	my ($self) = @_;
		1443
		1444	$self->reset_at <= $cf::RUNTIME
		1445	}
		1446
		1447	sub unlink_save {
		1448	my ($self) = @_;
		1449
		1450	utf8::encode (my $save = $self->{path}->save_path);
		1451	aioreq_pri 3; IO::AIO::aio_unlink $save;
		1452	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
		1453	}
		1454
		1455	sub rename {
		1456	my ($self, $new_path) = @_;
		1457
		1458	$self->unlink_save;
		1459
		1460	delete $cf::MAP{$self->path};
		1461	$self->{path} = new cf::path $new_path;
		1462	$self->path ($self->{path}->as_string);
		1463	$cf::MAP{$self->path} = $self;
		1464
		1465	$self->save;
		1466	}
		1467
		1468	sub reset {
		1469	my ($self) = @_;
		1470
		1471	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1472
		1473	return if $self->players;
		1474	return if $self->{path}{user_rel};#d#
		1475
		1476	warn "resetting map ", $self->path;#d#
		1477
		1478	delete $cf::MAP{$self->path};
		1479
		1480	$_->clear_links_to ($self) for values %cf::MAP;
		1481
		1482	$self->unlink_save;
		1483	$self->destroy;
		1484	}
		1485
		1486	my $nuke_counter = "aaaa";
		1487
		1488	sub nuke {
		1489	my ($self) = @_;
		1490
		1491	$self->{deny_save} = 1;
		1492	$self->reset_timeout (1);
		1493	$self->rename ("{nuke}/" . ($nuke_counter++));
		1494	$self->reset; # polite request, might not happen
		1495	}
		1496
		1497	sub customise_for {
		1498	my ($map, $ob) = @_;
		1499
		1500	if ($map->per_player) {
		1501	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
		1502	}
		1503
		1504	$map
		1505	}
		1506
		1507	sub emergency_save {
		1508	my $freeze_guard = cf::freeze_mainloop;
		1509
		1510	warn "enter emergency perl save\n";
		1511
		1512	cf::sync_job {
		1513	warn "begin emergency player save\n";
		1514	$_->save for values %cf::PLAYER;
		1515	warn "end emergency player save\n";
		1516
		1517	warn "begin emergency map save\n";
		1518	$_->save for values %cf::MAP;
		1519	warn "end emergency map save\n";
		1520	};
		1521
		1522	warn "leave emergency perl save\n";
		1523	}
		1524
		1525	package cf;
		1526
		1527	=back
		1528
1028		1529
1029	=head3 cf::object::player	1530	=head3 cf::object::player
1030		1531
1031	=over 4	1532	=over 4
1032		1533
…		…
1068	(ref $cf::CFG{"may_$access"}	1569	(ref $cf::CFG{"may_$access"}
1069	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1570	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1070	: $cf::CFG{"may_$access"})	1571	: $cf::CFG{"may_$access"})
1071	}	1572	}
1072		1573
		1574	=item $player_object->enter_link
		1575
		1576	Freezes the player and moves him/her to a special map (C<{link}>).
		1577
		1578	The player should be reaosnably safe there for short amounts of time. You
		1579	I<MUST> call C<leave_link> as soon as possible, though.
		1580
		1581	=item $player_object->leave_link ($map, $x, $y)
		1582
		1583	Moves the player out of the specila link map onto the given map. If the
		1584	map is not valid (or omitted), the player will be moved back to the
		1585	location he/she was before the call to C<enter_link>, or, if that fails,
		1586	to the emergency map position.
		1587
		1588	Might block.
		1589
		1590	=cut
		1591
		1592	sub cf::object::player::enter_link {
		1593	my ($self) = @_;
		1594
		1595	$self->deactivate_recursive;
		1596
		1597	return if $self->map == $LINK_MAP;
		1598
		1599	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]
		1600	if $self->map;
		1601
		1602	$self->enter_map ($LINK_MAP, 20, 20);
		1603	}
		1604
		1605	sub cf::object::player::leave_link {
		1606	my ($self, $map, $x, $y) = @_;
		1607
		1608	my $link_pos = delete $self->{_link_pos};
		1609
		1610	unless ($map) {
		1611	# restore original map position
		1612	($map, $x, $y) = @{ $link_pos \|\| [] };
		1613	$map = cf::map::find $map;
		1614
		1615	unless ($map) {
		1616	($map, $x, $y) = @$EMERGENCY_POSITION;
		1617	$map = cf::map::find $map
		1618	or die "FATAL: cannot load emergency map\n";
		1619	}
		1620	}
		1621
		1622	($x, $y) = (-1, -1)
		1623	unless (defined $x) && (defined $y);
		1624
		1625	# use -1 or undef as default coordinates, not 0, 0
		1626	($x, $y) = ($map->enter_x, $map->enter_y)
		1627	if $x <=0 && $y <= 0;
		1628
		1629	$map->load;
		1630
		1631	return unless $self->contr->active;
		1632	$self->activate_recursive;
		1633	$self->enter_map ($map, $x, $y);
		1634	}
		1635
		1636	cf::player->attach (
		1637	on_logout => sub {
		1638	my ($pl) = @_;
		1639
		1640	# abort map switching before logout
		1641	if ($pl->ob->{_link_pos}) {
		1642	cf::sync_job {
		1643	$pl->ob->leave_link
		1644	};
		1645	}
		1646	},
		1647	on_login => sub {
		1648	my ($pl) = @_;
		1649
		1650	# try to abort aborted map switching on player login :)
		1651	# should happen only on crashes
		1652	if ($pl->ob->{_link_pos}) {
		1653	$pl->ob->enter_link;
		1654	(async {
		1655	# we need this sleep as the login has a concurrent enter_exit running
		1656	# and this sleep increases chances of the player not ending up in scorn
		1657	$pl->ob->reply (undef,
		1658	"There was an internal problem at your last logout, "
		1659	. "the server will try to bring you to your intended destination in a second.",
		1660	cf::NDI_RED);
		1661	Coro::Timer::sleep 1;
		1662	$pl->ob->leave_link;
		1663	})->prio (2);
		1664	}
		1665	},
		1666	);
		1667
		1668	=item $player_object->goto ($path, $x, $y)
		1669
		1670	=cut
		1671
		1672	sub cf::object::player::goto {
		1673	my ($self, $path, $x, $y) = @_;
		1674
		1675	$self->enter_link;
		1676
		1677	(async {
		1678	$path = new cf::path $path;
		1679
		1680	my $map = cf::map::find $path->as_string;
		1681	$map = $map->customise_for ($self) if $map;
		1682
		1683	# warn "entering ", $map->path, " at ($x, $y)\n"
		1684	# if $map;
		1685
		1686	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
		1687
		1688	$self->leave_link ($map, $x, $y);
		1689	})->prio (1);
		1690	}
		1691
		1692	=item $player_object->enter_exit ($exit_object)
		1693
		1694	=cut
		1695
		1696	sub parse_random_map_params {
		1697	my ($spec) = @_;
		1698
		1699	my $rmp = { # defaults
		1700	xsize => 10,
		1701	ysize => 10,
		1702	};
		1703
		1704	for (split /\n/, $spec) {
		1705	my ($k, $v) = split /\s+/, $_, 2;
		1706
		1707	$rmp->{lc $k} = $v if (length $k) && (length $v);
		1708	}
		1709
		1710	$rmp
		1711	}
		1712
		1713	sub prepare_random_map {
		1714	my ($exit) = @_;
		1715
		1716	# all this does is basically replace the /! path by
		1717	# a new random map path (?random/...) with a seed
		1718	# that depends on the exit object
		1719
		1720	my $rmp = parse_random_map_params $exit->msg;
		1721
		1722	if ($exit->map) {
		1723	$rmp->{region} = $exit->map->region_name;
		1724	$rmp->{origin_map} = $exit->map->path;
		1725	$rmp->{origin_x} = $exit->x;
		1726	$rmp->{origin_y} = $exit->y;
		1727	}
		1728
		1729	$rmp->{random_seed} \|\|= $exit->random_seed;
		1730
		1731	my $data = cf::to_json $rmp;
		1732	my $md5 = Digest::MD5::md5_hex $data;
		1733
		1734	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY \| O_CREAT, 0666) {
		1735	aio_write $fh, 0, (length $data), $data, 0;
		1736
		1737	$exit->slaying ("?random/$md5");
		1738	$exit->msg (undef);
		1739	}
		1740	}
		1741
		1742	sub cf::object::player::enter_exit {
		1743	my ($self, $exit) = @_;
		1744
		1745	return unless $self->type == cf::PLAYER;
		1746
		1747	$self->enter_link;
		1748
		1749	(async {
		1750	$self->deactivate_recursive; # just to be sure
		1751	unless (eval {
		1752	prepare_random_map $exit
		1753	if $exit->slaying eq "/!";
		1754
		1755	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
		1756	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
		1757
		1758	1;
		1759	}) {
		1760	$self->message ("Something went wrong deep within the crossfire server. "
		1761	. "I'll try to bring you back to the map you were before. "
		1762	. "Please report this to the dungeon master",
		1763	cf::NDI_UNIQUE \| cf::NDI_RED);
		1764
		1765	warn "ERROR in enter_exit: $@";
		1766	$self->leave_link;
		1767	}
		1768	})->prio (1);
		1769	}
		1770
1073	=head3 cf::client	1771	=head3 cf::client
1074		1772
1075	=over 4	1773	=over 4
1076		1774
1077	=item $client->send_drawinfo ($text, $flags)	1775	=item $client->send_drawinfo ($text, $flags)
…		…
1120	on_reply => sub {	1818	on_reply => sub {
1121	my ($ns, $msg) = @_;	1819	my ($ns, $msg) = @_;
1122		1820
1123	# this weird shuffling is so that direct followup queries	1821	# this weird shuffling is so that direct followup queries
1124	# get handled first	1822	# get handled first
1125	my $queue = delete $ns->{query_queue};	1823	my $queue = delete $ns->{query_queue}
		1824	or return; # be conservative, not sure how that can happen, but we saw a crash here
1126		1825
1127	(shift @$queue)->[1]->($msg);	1826	(shift @$queue)->[1]->($msg);
1128		1827
1129	push @{ $ns->{query_queue} }, @$queue;	1828	push @{ $ns->{query_queue} }, @$queue;
1130		1829
…		…
1136	}	1835	}
1137	}	1836	}
1138	},	1837	},
1139	);	1838	);
1140		1839
1141	=item $client->coro (\&cb)	1840	=item $client->async (\&cb)
1142		1841
1143	Create a new coroutine, running the specified callback. The coroutine will	1842	Create a new coroutine, running the specified callback. The coroutine will
1144	be automatically cancelled when the client gets destroyed (e.g. on logout,	1843	be automatically cancelled when the client gets destroyed (e.g. on logout,
1145	or loss of connection).	1844	or loss of connection).
1146		1845
1147	=cut	1846	=cut
1148		1847
1149	sub cf::client::coro {	1848	sub cf::client::async {
1150	my ($self, $cb) = @_;	1849	my ($self, $cb) = @_;
1151		1850
1152	my $coro; $coro = async {	1851	my $coro = &Coro::async ($cb);
1153	eval {
1154	$cb->();
1155	};
1156	warn $@ if $@;
1157	};
1158		1852
1159	$coro->on_destroy (sub {	1853	$coro->on_destroy (sub {
1160	delete $self->{_coro}{$coro+0};	1854	delete $self->{_coro}{$coro+0};
1161	});	1855	});
1162		1856
…		…
1334		2028
1335	{	2029	{
1336	my $path = cf::localdir . "/database.pst";	2030	my $path = cf::localdir . "/database.pst";
1337		2031
1338	sub db_load() {	2032	sub db_load() {
1339	warn "loading database $path\n";#d# remove later
1340	$DB = stat $path ? Storable::retrieve $path : { };	2033	$DB = stat $path ? Storable::retrieve $path : { };
1341	}	2034	}
1342		2035
1343	my $pid;	2036	my $pid;
1344		2037
1345	sub db_save() {	2038	sub db_save() {
1346	warn "saving database $path\n";#d# remove later
1347	waitpid $pid, 0 if $pid;	2039	waitpid $pid, 0 if $pid;
1348	if (0 == ($pid = fork)) {	2040	if (0 == ($pid = fork)) {
1349	$DB->{_meta}{version} = 1;	2041	$DB->{_meta}{version} = 1;
1350	Storable::nstore $DB, "$path~";	2042	Storable::nstore $DB, "$path~";
1351	rename "$path~", $path;	2043	rename "$path~", $path;
…		…
1399	open my $fh, "<:utf8", cf::confdir . "/config"	2091	open my $fh, "<:utf8", cf::confdir . "/config"
1400	or return;	2092	or return;
1401		2093
1402	local $/;	2094	local $/;
1403	*CFG = YAML::Syck::Load <$fh>;	2095	*CFG = YAML::Syck::Load <$fh>;
		2096
		2097	$EMERGENCY_POSITION = $CFG{emergency_position} \|\| ["/world/world_105_115", 5, 37];
		2098
		2099	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2100	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2101
		2102	if (exists $CFG{mlockall}) {
		2103	eval {
		2104	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2105	and die "WARNING: m(un)lockall failed: $!\n";
		2106	};
		2107	warn $@ if $@;
		2108	}
1404	}	2109	}
1405		2110
1406	sub main {	2111	sub main {
1407	# we must not ever block the main coroutine	2112	# we must not ever block the main coroutine
1408	local $Coro::idle = sub {	2113	local $Coro::idle = sub {
1409	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2114	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1410	(Coro::unblock_sub {
1411	Event::one_event;	2115	async { Event::one_event };
1412	})->();
1413	};	2116	};
1414		2117
1415	cfg_load;	2118	cfg_load;
1416	db_load;	2119	db_load;
1417	load_extensions;	2120	load_extensions;
…		…
1419	}	2122	}
1420		2123
1421	#############################################################################	2124	#############################################################################
1422	# initialisation	2125	# initialisation
1423		2126
1424	sub perl_reload() {	2127	sub reload() {
1425	# can/must only be called in main	2128	# can/must only be called in main
1426	if ($Coro::current != $Coro::main) {	2129	if ($Coro::current != $Coro::main) {
1427	warn "can only reload from main coroutine\n";	2130	warn "can only reload from main coroutine\n";
1428	return;	2131	return;
1429	}	2132	}
1430		2133
1431	warn "reloading...";	2134	warn "reloading...";
1432		2135
1433	local $FREEZE = 1;	2136	my $guard = freeze_mainloop;
1434	cf::emergency_save;	2137	cf::emergency_save;
1435		2138
1436	eval {	2139	eval {
1437	# if anything goes wrong in here, we should simply crash as we already saved	2140	# if anything goes wrong in here, we should simply crash as we already saved
1438		2141
…		…
1500	cf::load_extensions;	2203	cf::load_extensions;
1501		2204
1502	# reattach attachments to objects	2205	# reattach attachments to objects
1503	warn "reattach";	2206	warn "reattach";
1504	_global_reattach;	2207	_global_reattach;
		2208	reattach $_ for values %MAP;
1505	};	2209	};
1506		2210
1507	if ($@) {	2211	if ($@) {
1508	warn $@;	2212	warn $@;
1509	warn "error while reloading, exiting.";	2213	warn "error while reloading, exiting.";
…		…
1522	$LINK_MAP->height (41);	2226	$LINK_MAP->height (41);
1523	$LINK_MAP->alloc;	2227	$LINK_MAP->alloc;
1524	$LINK_MAP->path ("{link}");	2228	$LINK_MAP->path ("{link}");
1525	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";	2229	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1526	$LINK_MAP->in_memory (MAP_IN_MEMORY);	2230	$LINK_MAP->in_memory (MAP_IN_MEMORY);
		2231
		2232	# dirty hack because... archetypes are not yet loaded
		2233	Event->timer (
		2234	after => 10,
		2235	cb => sub {
		2236	$_[0]->w->cancel;
		2237
		2238	# provide some exits "home"
		2239	my $exit = cf::object::new "exit";
		2240
		2241	$exit->slaying ($EMERGENCY_POSITION->[0]);
		2242	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
		2243	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
		2244
		2245	$LINK_MAP->insert ($exit->clone, 19, 19);
		2246	$LINK_MAP->insert ($exit->clone, 19, 20);
		2247	$LINK_MAP->insert ($exit->clone, 19, 21);
		2248	$LINK_MAP->insert ($exit->clone, 20, 19);
		2249	$LINK_MAP->insert ($exit->clone, 20, 21);
		2250	$LINK_MAP->insert ($exit->clone, 21, 19);
		2251	$LINK_MAP->insert ($exit->clone, 21, 20);
		2252	$LINK_MAP->insert ($exit->clone, 21, 21);
		2253
		2254	$exit->destroy;
		2255	});
		2256
		2257	$LINK_MAP->{deny_save} = 1;
		2258	$LINK_MAP->{deny_reset} = 1;
		2259
		2260	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1527	}	2261	}
1528		2262
1529	register "<global>", __PACKAGE__;	2263	register "<global>", __PACKAGE__;
1530		2264
1531	register_command "perl-reload" => sub {	2265	register_command "reload" => sub {
1532	my ($who, $arg) = @_;	2266	my ($who, $arg) = @_;
1533		2267
1534	if ($who->flag (FLAG_WIZ)) {	2268	if ($who->flag (FLAG_WIZ)) {
1535	$who->message ("start of reload.");	2269	$who->message ("start of reload.");
1536	perl_reload;	2270	reload;
1537	$who->message ("end of reload.");	2271	$who->message ("end of reload.");
1538	}	2272	}
1539	};	2273	};
1540		2274
1541	unshift @INC, $LIBDIR;	2275	unshift @INC, $LIBDIR;
…		…
1544	reentrant => 0,	2278	reentrant => 0,
1545	prio => 0,	2279	prio => 0,
1546	at => $NEXT_TICK \|\| $TICK,	2280	at => $NEXT_TICK \|\| $TICK,
1547	data => WF_AUTOCANCEL,	2281	data => WF_AUTOCANCEL,
1548	cb => sub {	2282	cb => sub {
1549	unless ($FREEZE) {
1550	cf::server_tick; # one server iteration	2283	cf::server_tick; # one server iteration
1551	$RUNTIME += $TICK;	2284	$RUNTIME += $TICK;
1552	}
1553
1554	$NEXT_TICK += $TICK;	2285	$NEXT_TICK += $TICK;
1555		2286
1556	# if we are delayed by four ticks or more, skip them all	2287	# if we are delayed by four ticks or more, skip them all
1557	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2288	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1558		2289
…		…
1581	or warn "ERROR: unable to write runtime file: $!";	2312	or warn "ERROR: unable to write runtime file: $!";
1582	})->();	2313	})->();
1583	},	2314	},
1584	);	2315	);
1585		2316
		2317	END { cf::emergency_save }
		2318
1586	1	2319	1
1587		2320

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.108 by root, Sun Dec 31 21:02:05 2006 UTC vs. Revision 1.147 by root, Mon Jan 8 12:23:33 2007 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.108 by root, Sun Dec 31 21:02:05 2006 UTC vs.
Revision 1.147 by root, Mon Jan 8 12:23:33 2007 UTC