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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.136 by root, Fri Jan 5 01:06:28 2007 UTC vs.
Revision 1.159 by root, Wed Jan 10 22:50:12 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 = ();
		38
		39	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	40	our %EXTCMD = ();
		41	our %EXT_CORO = (); # coroutines bound to extensions
38		42
39	our @EVENT;	43	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	44	our $LIBDIR = datadir . "/ext";
41		45
42	our $TICK = MAX_TIME * 1e-6;	46	our $TICK = MAX_TIME * 1e-6;
…		…
47	our %CFG;	51	our %CFG;
48		52
49	our $UPTIME; $UPTIME \|\|= time;	53	our $UPTIME; $UPTIME \|\|= time;
50	our $RUNTIME;	54	our $RUNTIME;
51		55
		56	our %PLAYER; # all users
52	our %MAP; # all maps	57	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	58	our $LINK_MAP; # the special {link} map
54	our $RANDOM_MAPS = cf::localdir . "/random";	59	our $RANDOM_MAPS = cf::localdir . "/random";
55	our %EXT_CORO;	60
		61	our $WAIT_FOR_TICK; $WAIT_FOR_TICK \|\|= new Coro::Signal;
		62	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE \|\|= new Coro::Signal;
56		63
57	binmode STDOUT;	64	binmode STDOUT;
58	binmode STDERR;	65	binmode STDERR;
59		66
60	# read virtual server time, if available	67	# read virtual server time, if available
…		…
105	=item %cf::CFG	112	=item %cf::CFG
106		113
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	114	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	115	from wherever your confdir points to.
109		116
		117	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		118
		119	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		120	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		121	processing has been done. Call C<< ->wait >> on them to maximise the
		122	window of cpu time available, or simply to synchronise to the server tick.
		123
110	=back	124	=back
111		125
112	=cut	126	=cut
113		127
114	BEGIN {	128	BEGIN {
…		…
117	utf8::encode $msg;	131	utf8::encode $msg;
118		132
119	$msg .= "\n"	133	$msg .= "\n"
120	unless $msg =~ /\n$/;	134	unless $msg =~ /\n$/;
121		135
122	LOG llevError, "cfperl: $msg";	136	LOG llevError, $msg;
123	};	137	};
124	}	138	}
125		139
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	140	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	141	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		159
146	$Event::DIED = sub {	160	$Event::DIED = sub {
147	warn "error in event callback: @_";	161	warn "error in event callback: @_";
148	};	162	};
149		163
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	164	=head2 UTILITY FUNCTIONS
155		165
156	=over 4	166	=over 4
157		167
		168	=item dumpval $ref
		169
158	=cut	170	=cut
		171
		172	sub dumpval {
		173	eval {
		174	local $SIG{__DIE__};
		175	my $d;
		176	if (1) {
		177	$d = new Data::Dumper([$_[0]], ["*var"]);
		178	$d->Terse(1);
		179	$d->Indent(2);
		180	$d->Quotekeys(0);
		181	$d->Useqq(1);
		182	#$d->Bless(...);
		183	$d->Seen($_[1]) if @_ > 1;
		184	$d = $d->Dump();
		185	}
		186	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		187	$d
		188	} \|\| "[unable to dump $_[0]: '$@']";
		189	}
159		190
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	191	use JSON::Syck (); # TODO# replace by JSON::PC once working
161		192
162	=item $ref = cf::from_json $json	193	=item $ref = cf::from_json $json
163		194
…		…
221	# wake up all waiters, to be on the safe side	252	# wake up all waiters, to be on the safe side
222	$_->ready for @{ delete $LOCK{$key} };	253	$_->ready for @{ delete $LOCK{$key} };
223	}	254	}
224	}	255	}
225		256
226	=item cf::async { BLOCK }
227
228	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
229	error instead of exiting the server in case of a problem.
230
231	=cut
232
233	sub async(&) {
234	my ($cb) = @_;
235
236	Coro::async {
237	eval { $cb->() };
238	warn $@ if $@;
239	}
240	}
241
242	sub freeze_mainloop {	257	sub freeze_mainloop {
243	return unless $TICK_WATCHER->is_active;	258	return unless $TICK_WATCHER->is_active;
244		259
245	my $guard = Coro::guard { $TICK_WATCHER->start };	260	my $guard = Coro::guard { $TICK_WATCHER->start };
246	$TICK_WATCHER->stop;	261	$TICK_WATCHER->stop;
247	$guard	262	$guard
248	}	263	}
		264
		265	=item cf::async { BLOCK }
		266
		267	Currently the same as Coro::async_pool, meaning you cannot use
		268	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		269	thing you are allowed to do is call C<prio> on it.
		270
		271	=cut
		272
		273	BEGIN { *async = \&Coro::async_pool }
249		274
250	=item cf::sync_job { BLOCK }	275	=item cf::sync_job { BLOCK }
251		276
252	The design of crossfire+ requires that the main coro ($Coro::main) is	277	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	278	always able to handle events or runnable, as crossfire+ is only partly
…		…
272	my $freeze_guard = freeze_mainloop;	297	my $freeze_guard = freeze_mainloop;
273		298
274	my $busy = 1;	299	my $busy = 1;
275	my @res;	300	my @res;
276		301
277	(Coro::async {	302	(async {
278	@res = eval { $job->() };	303	@res = eval { $job->() };
279	warn $@ if $@;	304	warn $@ if $@;
280	undef $busy;	305	undef $busy;
281	})->prio (Coro::PRIO_MAX);	306	})->prio (Coro::PRIO_MAX);
282		307
283	while ($busy) {	308	while ($busy) {
284	Coro::cede_notself;	309	Coro::cede or Event::one_event;
285	Event::one_event unless Coro::nready;
286	}	310	}
287		311
288	wantarray ? @res : $res[0]	312	wantarray ? @res : $res[0]
289	} else {	313	} else {
290	# we are in another coroutine, how wonderful, everything just works	314	# we are in another coroutine, how wonderful, everything just works
291		315
292	$job->()	316	$job->()
293	}	317	}
294	}	318	}
295		319
296	=item $coro = cf::coro { BLOCK }	320	=item $coro = cf::async_ext { BLOCK }
297		321
298	Creates and returns a new coro. This coro is automcatially being canceled	322	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	323	extension calling this is being unloaded.
300		324
301	=cut	325	=cut
302		326
303	sub coro(&) {	327	sub async_ext(&) {
304	my $cb = shift;	328	my $cb = shift;
305		329
306	my $coro = &cf::async ($cb);	330	my $coro = &Coro::async ($cb);
307		331
308	$coro->on_destroy (sub {	332	$coro->on_destroy (sub {
309	delete $EXT_CORO{$coro+0};	333	delete $EXT_CORO{$coro+0};
310	});	334	});
311	$EXT_CORO{$coro+0} = $coro;	335	$EXT_CORO{$coro+0} = $coro;
…		…
340	=cut	364	=cut
341		365
342	#############################################################################	366	#############################################################################
343		367
344	package cf::path;	368	package cf::path;
		369
		370	use overload
		371	'""' => \&as_string;
		372
		373	# used to convert map paths into valid unix filenames by repalcing / by ∕
		374	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
345		375
346	sub new {	376	sub new {
347	my ($class, $path, $base) = @_;	377	my ($class, $path, $base) = @_;
348		378
349	$path = $path->as_string if ref $path;	379	$path = $path->as_string if ref $path;
…		…
355	# ?random/... random maps	385	# ?random/... random maps
356	# /! non-realised random map exit	386	# /! non-realised random map exit
357	# /... normal maps	387	# /... normal maps
358	# ~/... per-player maps without a specific player (DO NOT USE)	388	# ~/... per-player maps without a specific player (DO NOT USE)
359	# ~user/... per-player map of a specific user	389	# ~user/... per-player map of a specific user
		390
		391	$path =~ s/$PATH_SEP/\//go;
360		392
361	if ($path =~ /^{/) {	393	if ($path =~ /^{/) {
362	# fine as it is	394	# fine as it is
363	} elsif ($path =~ s{^\?random/}{}) {	395	} elsif ($path =~ s{^\?random/}{}) {
364	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;	396	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
…		…
413	# }	445	# }
414	}	446	}
415		447
416	# escape the /'s in the path	448	# escape the /'s in the path
417	sub _escaped_path {	449	sub _escaped_path {
418	# ∕ is U+2215
419	(my $path = $_[0]{path}) =~ s/\//∕/g;	450	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
420	$path	451	$path
421	}	452	}
422		453
423	# the original (read-only) location	454	# the original (read-only) location
424	sub load_path {	455	sub load_path {
…		…
912	=cut	943	=cut
913		944
914	sub register_extcmd {	945	sub register_extcmd {
915	my ($name, $cb) = @_;	946	my ($name, $cb) = @_;
916		947
917	my $caller = caller;
918	#warn "registering extcmd '$name' to '$caller'";
919
920	$EXTCMD{$name} = [$cb, $caller];	948	$EXTCMD{$name} = $cb;
921	}	949	}
922		950
923	cf::player->attach (	951	cf::player->attach (
924	on_command => sub {	952	on_command => sub {
925	my ($pl, $name, $params) = @_;	953	my ($pl, $name, $params) = @_;
…		…
938		966
939	my $msg = eval { from_json $buf };	967	my $msg = eval { from_json $buf };
940		968
941	if (ref $msg) {	969	if (ref $msg) {
942	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
943	if (my %reply = $cb->[0]->($pl, $msg)) {	971	if (my %reply = $cb->($pl, $msg)) {
944	$pl->ext_reply ($msg->{msgid}, %reply);	972	$pl->ext_reply ($msg->{msgid}, %reply);
945	}	973	}
946	}	974	}
947	} else {	975	} else {
948	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
950		978
951	cf::override;	979	cf::override;
952	},	980	},
953	);	981	);
954		982
955	sub register {
956	my ($base, $pkg) = @_;
957
958	#TODO
959	}
960
961	sub load_extension {	983	sub load_extension {
962	my ($path) = @_;	984	my ($path) = @_;
963		985
964	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
965	my $base = $1;	987	my $base = $1;
…		…
980		1002
981	eval $source	1003	eval $source
982	or die $@ ? "$path: $@\n"	1004	or die $@ ? "$path: $@\n"
983	: "extension disabled.\n";	1005	: "extension disabled.\n";
984		1006
985	push @exts, $pkg;	1007	push @EXTS, $pkg;
986	$ext_pkg{$base} = $pkg;
987
988	# no strict 'refs';
989	# @{"$pkg\::ISA"} = ext::;
990
991	register $base, $pkg;
992	}
993
994	sub unload_extension {
995	my ($pkg) = @_;
996
997	warn "removing extension $pkg\n";
998
999	# remove hooks
1000	#TODO
1001	# for my $idx (0 .. $#PLUGIN_EVENT) {
1002	# delete $hook[$idx]{$pkg};
1003	# }
1004
1005	# remove commands
1006	for my $name (keys %COMMAND) {
1007	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1008
1009	if (@cb) {
1010	$COMMAND{$name} = \@cb;
1011	} else {
1012	delete $COMMAND{$name};
1013	}
1014	}
1015
1016	# remove extcmds
1017	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1018	delete $EXTCMD{$name};
1019	}
1020
1021	if (my $cb = $pkg->can ("unload")) {
1022	eval {
1023	$cb->($pkg);
1024	1
1025	} or warn "$pkg unloaded, but with errors: $@";
1026	}
1027
1028	Symbol::delete_package $pkg;
1029	}	1008	}
1030		1009
1031	sub load_extensions {	1010	sub load_extensions {
1032	for my $ext (<$LIBDIR/*.ext>) {	1011	for my $ext (<$LIBDIR/*.ext>) {
1033	next unless -r $ext;	1012	next unless -r $ext;
…		…
1051	};	1030	};
1052		1031
1053	cf::map->attach (prio => -10000, package => cf::mapsupport::);	1032	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1054		1033
1055	#############################################################################	1034	#############################################################################
1056	# load/save perl data associated with player->ob objects
1057
1058	sub all_objects(@) {
1059	@_, map all_objects ($_->inv), @_
1060	}
1061
1062	# TODO: compatibility cruft, remove when no longer needed
1063	cf::player->attach (
1064	on_load => sub {
1065	my ($pl, $path) = @_;
1066
1067	for my $o (all_objects $pl->ob) {
1068	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1069	$o->set_ob_key_value ("_perl_data");
1070
1071	%$o = %{ Storable::thaw pack "H*", $value };
1072	}
1073	}
1074	},
1075	);
1076
1077	#############################################################################
1078		1035
1079	=head2 CORE EXTENSIONS	1036	=head2 CORE EXTENSIONS
1080		1037
1081	Functions and methods that extend core crossfire objects.	1038	Functions and methods that extend core crossfire objects.
1082		1039
		1040	=cut
		1041
		1042	package cf::player;
		1043
		1044	use Coro::AIO;
		1045
1083	=head3 cf::player	1046	=head3 cf::player
1084		1047
1085	=over 4	1048	=over 4
1086		1049
1087	=item cf::player::exists $login	1050	=item cf::player::find $login
1088		1051
1089	Returns true when the given account exists.	1052	Returns the given player object, loading it if necessary (might block).
1090		1053
1091	=cut	1054	=cut
1092		1055
1093	sub cf::player::exists($) {	1056	sub playerdir($) {
1094	cf::player::find $_[0]	1057	cf::localdir
1095	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	1058	. "/"
		1059	. cf::playerdir
		1060	. "/"
		1061	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1062	}
		1063
		1064	sub path($) {
		1065	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1066
		1067	(playerdir $login) . "/$login.pl"
		1068	}
		1069
		1070	sub find_active($) {
		1071	$cf::PLAYER{$_[0]}
		1072	and $cf::PLAYER{$_[0]}->active
		1073	and $cf::PLAYER{$_[0]}
		1074	}
		1075
		1076	sub exists($) {
		1077	my ($login) = @_;
		1078
		1079	$cf::PLAYER{$login}
		1080	or cf::sync_job { !aio_stat $login }
		1081	}
		1082
		1083	sub find($) {
		1084	return $cf::PLAYER{$_[0]} \|\| do {
		1085	my $login = $_[0];
		1086
		1087	my $guard = cf::lock_acquire "user_find:$login";
		1088
		1089	$cf::PLAYER{$_[0]} \|\| do {
		1090	my $pl = load_pl path $login
		1091	or return;
		1092	$cf::PLAYER{$login} = $pl
		1093	}
		1094	}
		1095	}
		1096
		1097	sub save($) {
		1098	my ($pl) = @_;
		1099
		1100	return if $pl->{deny_save};
		1101
		1102	my $path = path $pl;
		1103	my $guard = cf::lock_acquire "user_save:$path";
		1104
		1105	return if $pl->{deny_save};
		1106
		1107	aio_mkdir playerdir $pl, 0770;
		1108	$pl->{last_save} = $cf::RUNTIME;
		1109
		1110	$pl->save_pl ($path);
		1111	Coro::cede;
		1112	}
		1113
		1114	sub new($) {
		1115	my ($login) = @_;
		1116
		1117	my $self = create;
		1118
		1119	$self->ob->name ($login);
		1120	$self->{deny_save} = 1;
		1121
		1122	$cf::PLAYER{$login} = $self;
		1123
		1124	$self
		1125	}
		1126
		1127	=item $pl->quit_character
		1128
		1129	Nukes the player without looking back. If logged in, the connection will
		1130	be destroyed. May block for a long time.
		1131
		1132	=cut
		1133
		1134	sub quit_character {
		1135	my ($pl) = @_;
		1136
		1137	$pl->{deny_save} = 1;
		1138	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1139
		1140	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1141	$pl->deactivate;
		1142	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1143	$pl->ns->destroy if $pl->ns;
		1144
		1145	my $path = playerdir $pl;
		1146	my $temp = "$path~$cf::RUNTIME~deleting~";
		1147	aio_rename $path, $temp;
		1148	delete $cf::PLAYER{$pl->ob->name};
		1149	$pl->destroy;
		1150	IO::AIO::aio_rmtree $temp;
		1151	}
		1152
		1153	=item cf::player::list_logins
		1154
		1155	Returns am arrayref of all valid playernames in the system, can take a
		1156	while and may block, so not sync_job-capable, ever.
		1157
		1158	=cut
		1159
		1160	sub list_logins {
		1161	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1162	or return [];
		1163
		1164	my @logins;
		1165
		1166	for my $login (@$dirs) {
		1167	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1168	aio_read $fh, 0, 512, my $buf, 0 or next;
		1169	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1170
		1171	utf8::decode $login;
		1172	push @logins, $login;
		1173	}
		1174
		1175	\@logins
		1176	}
		1177
		1178	=item $player->maps
		1179
		1180	Returns an arrayref of cf::path's of all maps that are private for this
		1181	player. May block.
		1182
		1183	=cut
		1184
		1185	sub maps($) {
		1186	my ($pl) = @_;
		1187
		1188	my $files = aio_readdir playerdir $pl
		1189	or return;
		1190
		1191	my @paths;
		1192
		1193	for (@$files) {
		1194	utf8::decode $_;
		1195	next if /\.(?:pl\|pst)$/;
		1196	next unless /^$PATH_SEP/o;
		1197
		1198	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
		1199	}
		1200
		1201	\@paths
1096	}	1202	}
1097		1203
1098	=item $player->ext_reply ($msgid, $msgtype, %msg)	1204	=item $player->ext_reply ($msgid, $msgtype, %msg)
1099		1205
1100	Sends an ext reply to the player.	1206	Sends an ext reply to the player.
1101		1207
1102	=cut	1208	=cut
1103		1209
1104	sub cf::player::ext_reply($$$%) {	1210	sub ext_reply($$$%) {
1105	my ($self, $id, %msg) = @_;	1211	my ($self, $id, %msg) = @_;
1106		1212
1107	$msg{msgid} = $id;	1213	$msg{msgid} = $id;
1108		1214
1109	$self->send ("ext " . to_json \%msg);	1215	$self->send ("ext " . cf::to_json \%msg);
1110	}	1216	}
		1217
		1218	package cf;
1111		1219
1112	=back	1220	=back
1113		1221
1114		1222
1115	=head3 cf::map	1223	=head3 cf::map
…		…
1281	Coro::cede;	1389	Coro::cede;
1282		1390
1283	$self->in_memory (cf::MAP_IN_MEMORY);	1391	$self->in_memory (cf::MAP_IN_MEMORY);
1284	}	1392	}
1285		1393
		1394	# find and load all maps in the 3x3 area around a map
		1395	sub load_diag {
		1396	my ($map) = @_;
		1397
		1398	my @diag; # diagonal neighbours
		1399
		1400	for (0 .. 3) {
		1401	my $neigh = $map->tile_path ($_)
		1402	or next;
		1403	$neigh = find $neigh, $map
		1404	or next;
		1405	$neigh->load;
		1406
		1407	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1408	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1409	}
		1410
		1411	for (@diag) {
		1412	my $neigh = find @$_
		1413	or next;
		1414	$neigh->load;
		1415	}
		1416	}
		1417
1286	sub find_sync {	1418	sub find_sync {
1287	my ($path, $origin) = @_;	1419	my ($path, $origin) = @_;
1288		1420
1289	cf::sync_job { cf::map::find $path, $origin }	1421	cf::sync_job { find $path, $origin }
1290	}	1422	}
1291		1423
1292	sub do_load_sync {	1424	sub do_load_sync {
1293	my ($map) = @_;	1425	my ($map) = @_;
1294		1426
1295	cf::sync_job { $map->load };	1427	cf::sync_job { $map->load };
1296	}	1428	}
1297		1429
		1430	our %MAP_PREFETCH;
		1431	our $MAP_PREFETCHER = Coro::async {
		1432	while () {
		1433	while (%MAP_PREFETCH) {
		1434	my $key = each %MAP_PREFETCH
		1435	or next;
		1436	my $path = delete $MAP_PREFETCH{$key};
		1437
		1438	my $map = find $path
		1439	or next;
		1440	$map->load;
		1441	}
		1442	Coro::schedule;
		1443	}
		1444	};
		1445
		1446	sub find_async {
		1447	my ($path, $origin) = @_;
		1448
		1449	$path = new cf::path $path, $origin && $origin->path;
		1450	my $key = $path->as_string;
		1451
		1452	if (my $map = $cf::MAP{$key}) {
		1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1454	}
		1455
		1456	$MAP_PREFETCH{$key} = $path;
		1457	$MAP_PREFETCHER->ready;
		1458
		1459	()
		1460	}
		1461
1298	sub save {	1462	sub save {
1299	my ($self) = @_;	1463	my ($self) = @_;
1300		1464
		1465	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1466
1301	$self->{last_save} = $cf::RUNTIME;	1467	$self->{last_save} = $cf::RUNTIME;
1302		1468
1303	return unless $self->dirty;	1469	return unless $self->dirty;
1304		1470
1305	my $save = $self->{path}->save_path; utf8::encode $save;	1471	my $save = $self->{path}->save_path; utf8::encode $save;
…		…
1308	$self->{load_path} = $save;	1474	$self->{load_path} = $save;
1309		1475
1310	return if $self->{deny_save};	1476	return if $self->{deny_save};
1311		1477
1312	local $self->{last_access} = $self->last_access;#d#	1478	local $self->{last_access} = $self->last_access;#d#
		1479
		1480	cf::async {
		1481	$_->contr->save for $self->players;
		1482	};
1313		1483
1314	if ($uniq) {	1484	if ($uniq) {
1315	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);	1485	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);
1316	$self->save_objects ($uniq, cf::IO_UNIQUES);	1486	$self->save_objects ($uniq, cf::IO_UNIQUES);
1317	} else {	1487	} else {
…		…
1323	my ($self) = @_;	1493	my ($self) = @_;
1324		1494
1325	# save first because save cedes	1495	# save first because save cedes
1326	$self->save;	1496	$self->save;
1327		1497
		1498	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1499
1328	return if $self->players;	1500	return if $self->players;
1329	return if $self->in_memory != cf::MAP_IN_MEMORY;	1501	return if $self->in_memory != cf::MAP_IN_MEMORY;
1330	return if $self->{deny_save};	1502	return if $self->{deny_save};
1331		1503
1332	$self->clear;	1504	$self->clear;
…		…
1374	}	1546	}
1375		1547
1376	sub reset {	1548	sub reset {
1377	my ($self) = @_;	1549	my ($self) = @_;
1378		1550
		1551	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1552
1379	return if $self->players;	1553	return if $self->players;
1380	return if $self->{path}{user_rel};#d#	1554	return if $self->{path}{user_rel};#d#
1381		1555
1382	warn "resetting map ", $self->path;#d#	1556	warn "resetting map ", $self->path;#d#
1383		1557
…		…
1408	}	1582	}
1409		1583
1410	$map	1584	$map
1411	}	1585	}
1412		1586
1413	sub emergency_save {	1587	=item cf::map::unique_maps
1414	my $freeze_guard = cf::freeze_mainloop;
1415		1588
1416	warn "enter emergency map save\n";	1589	Returns an arrayref of cf::path's of all shared maps that have
		1590	instantiated unique items. May block.
1417		1591
1418	cf::sync_job {	1592	=cut
1419	warn "begin emergency map save\n";	1593
1420	$_->save for values %cf::MAP;	1594	sub unique_maps() {
		1595	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1596	or return;
		1597
		1598	my @paths;
		1599
		1600	for (@$files) {
		1601	utf8::decode $_;
		1602	next if /\.pst$/;
		1603	next unless /^$PATH_SEP/o;
		1604
		1605	push @paths, new cf::path $_;
1421	};	1606	}
1422		1607
1423	warn "end emergency map save\n";	1608	\@paths
1424	}	1609	}
1425		1610
1426	package cf;	1611	package cf;
1427		1612
1428	=back	1613	=back
1429		1614
		1615	=head3 cf::object
		1616
		1617	=cut
		1618
		1619	package cf::object;
		1620
		1621	=over 4
		1622
		1623	=item $ob->inv_recursive
		1624
		1625	Returns the inventory of the object _and_ their inventories, recursively.
		1626
		1627	=cut
		1628
		1629	sub inv_recursive_;
		1630	sub inv_recursive_ {
		1631	map { $_, inv_recursive_ $_->inv } @_
		1632	}
		1633
		1634	sub inv_recursive {
		1635	inv_recursive_ inv $_[0]
		1636	}
		1637
		1638	package cf;
		1639
		1640	=back
1430		1641
1431	=head3 cf::object::player	1642	=head3 cf::object::player
1432		1643
1433	=over 4	1644	=over 4
1434		1645
…		…
1526	# use -1 or undef as default coordinates, not 0, 0	1737	# use -1 or undef as default coordinates, not 0, 0
1527	($x, $y) = ($map->enter_x, $map->enter_y)	1738	($x, $y) = ($map->enter_x, $map->enter_y)
1528	if $x <=0 && $y <= 0;	1739	if $x <=0 && $y <= 0;
1529		1740
1530	$map->load;	1741	$map->load;
		1742	$map->load_diag;
1531		1743
		1744	return unless $self->contr->active;
1532	$self->activate_recursive;	1745	$self->activate_recursive;
1533	$self->enter_map ($map, $x, $y);	1746	$self->enter_map ($map, $x, $y);
1534	}	1747	}
1535		1748
1536	cf::player->attach (	1749	cf::player->attach (
…		…
1549		1762
1550	# try to abort aborted map switching on player login :)	1763	# try to abort aborted map switching on player login :)
1551	# should happen only on crashes	1764	# should happen only on crashes
1552	if ($pl->ob->{_link_pos}) {	1765	if ($pl->ob->{_link_pos}) {
1553	$pl->ob->enter_link;	1766	$pl->ob->enter_link;
1554	cf::async {	1767	(async {
1555	# we need this sleep as the login has a concurrent enter_exit running	1768	# 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	1769	# and this sleep increases chances of the player not ending up in scorn
		1770	$pl->ob->reply (undef,
		1771	"There was an internal problem at your last logout, "
		1772	. "the server will try to bring you to your intended destination in a second.",
		1773	cf::NDI_RED);
1557	Coro::Timer::sleep 1;	1774	Coro::Timer::sleep 1;
1558	$pl->ob->leave_link;	1775	$pl->ob->leave_link;
1559	};	1776	})->prio (2);
1560	}	1777	}
1561	},	1778	},
1562	);	1779	);
1563		1780
1564	=item $player_object->goto ($path, $x, $y)	1781	=item $player_object->goto ($path, $x, $y)
…		…
1566	=cut	1783	=cut
1567		1784
1568	sub cf::object::player::goto {	1785	sub cf::object::player::goto {
1569	my ($self, $path, $x, $y) = @_;	1786	my ($self, $path, $x, $y) = @_;
1570		1787
		1788	$path = new cf::path $path;
		1789
1571	$self->enter_link;	1790	$self->enter_link;
1572		1791
1573	(cf::async {	1792	(async {
1574	$path = new cf::path $path;
1575
1576	my $map = cf::map::find $path->as_string;	1793	my $map = cf::map::find $path->as_string;
1577	$map = $map->customise_for ($self) if $map;	1794	$map = $map->customise_for ($self) if $map;
1578		1795
1579	# warn "entering ", $map->path, " at ($x, $y)\n"	1796	# warn "entering ", $map->path, " at ($x, $y)\n"
1580	# if $map;	1797	# if $map;
1581		1798
1582	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE \| cf::NDI_RED);	1799	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
1583		1800
1584	$self->leave_link ($map, $x, $y);	1801	$self->leave_link ($map, $x, $y);
1585	})->prio (1);	1802	})->prio (1);
1586	}	1803	}
1587		1804
…		…
1640		1857
1641	return unless $self->type == cf::PLAYER;	1858	return unless $self->type == cf::PLAYER;
1642		1859
1643	$self->enter_link;	1860	$self->enter_link;
1644		1861
1645	(cf::async {	1862	(async {
1646	$self->deactivate_recursive; # just to be sure	1863	$self->deactivate_recursive; # just to be sure
1647	unless (eval {	1864	unless (eval {
1648	prepare_random_map $exit	1865	prepare_random_map $exit
1649	if $exit->slaying eq "/!";	1866	if $exit->slaying eq "/!";
1650		1867
…		…
1653		1870
1654	1;	1871	1;
1655	}) {	1872	}) {
1656	$self->message ("Something went wrong deep within the crossfire server. "	1873	$self->message ("Something went wrong deep within the crossfire server. "
1657	. "I'll try to bring you back to the map you were before. "	1874	. "I'll try to bring you back to the map you were before. "
1658	. "Please report this to the dungeon master",	1875	. "Please report this to the dungeon master!",
1659	cf::NDI_UNIQUE \| cf::NDI_RED);	1876	cf::NDI_UNIQUE \| cf::NDI_RED);
1660		1877
1661	warn "ERROR in enter_exit: $@";	1878	warn "ERROR in enter_exit: $@";
1662	$self->leave_link;	1879	$self->leave_link;
1663	}	1880	}
…		…
1731	}	1948	}
1732	}	1949	}
1733	},	1950	},
1734	);	1951	);
1735		1952
1736	=item $client->coro (\&cb)	1953	=item $client->async (\&cb)
1737		1954
1738	Create a new coroutine, running the specified callback. The coroutine will	1955	Create a new coroutine, running the specified callback. The coroutine will
1739	be automatically cancelled when the client gets destroyed (e.g. on logout,	1956	be automatically cancelled when the client gets destroyed (e.g. on logout,
1740	or loss of connection).	1957	or loss of connection).
1741		1958
1742	=cut	1959	=cut
1743		1960
1744	sub cf::client::coro {	1961	sub cf::client::async {
1745	my ($self, $cb) = @_;	1962	my ($self, $cb) = @_;
1746		1963
1747	my $coro = &cf::async ($cb);	1964	my $coro = &Coro::async ($cb);
1748		1965
1749	$coro->on_destroy (sub {	1966	$coro->on_destroy (sub {
1750	delete $self->{_coro}{$coro+0};	1967	delete $self->{_coro}{$coro+0};
1751	});	1968	});
1752		1969
…		…
1990	local $/;	2207	local $/;
1991	*CFG = YAML::Syck::Load <$fh>;	2208	*CFG = YAML::Syck::Load <$fh>;
1992		2209
1993	$EMERGENCY_POSITION = $CFG{emergency_position} \|\| ["/world/world_105_115", 5, 37];	2210	$EMERGENCY_POSITION = $CFG{emergency_position} \|\| ["/world/world_105_115", 5, 37];
1994		2211
		2212	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2213	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2214
1995	if (exists $CFG{mlockall}) {	2215	if (exists $CFG{mlockall}) {
1996	eval {	2216	eval {
1997	$CFG{mlockall} ? &mlockall : &munlockall	2217	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1998	and die "WARNING: m(un)lockall failed: $!\n";	2218	and die "WARNING: m(un)lockall failed: $!\n";
1999	};	2219	};
2000	warn $@ if $@;	2220	warn $@ if $@;
2001	}	2221	}
2002	}	2222	}
2003		2223
2004	sub main {	2224	sub main {
2005	# we must not ever block the main coroutine	2225	# we must not ever block the main coroutine
2006	local $Coro::idle = sub {	2226	local $Coro::idle = sub {
2007	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2227	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2008	(Coro::unblock_sub {
2009	Event::one_event;	2228	async { Event::one_event };
2010	})->();
2011	};	2229	};
2012		2230
2013	cfg_load;	2231	cfg_load;
2014	db_load;	2232	db_load;
2015	load_extensions;	2233	load_extensions;
2016	Event::loop;	2234	Event::loop;
2017	}	2235	}
2018		2236
2019	#############################################################################	2237	#############################################################################
2020	# initialisation	2238	# initialisation and cleanup
		2239
		2240	# install some emergency cleanup handlers
		2241	BEGIN {
		2242	for my $signal (qw(INT HUP TERM)) {
		2243	Event->signal (
		2244	data => WF_AUTOCANCEL,
		2245	signal => $signal,
		2246	cb => sub {
		2247	cf::cleanup "SIG$signal";
		2248	},
		2249	);
		2250	}
		2251	}
		2252
		2253	sub emergency_save() {
		2254	my $freeze_guard = cf::freeze_mainloop;
		2255
		2256	warn "enter emergency perl save\n";
		2257
		2258	cf::sync_job {
		2259	# use a peculiar iteration method to avoid tripping on perl
		2260	# refcount bugs in for. also avoids problems with players
		2261	# and maps saved/Destroyed asynchronously.
		2262	warn "begin emergency player save\n";
		2263	for my $login (keys %cf::PLAYER) {
		2264	my $pl = $cf::PLAYER{$login} or next;
		2265	$pl->valid or next;
		2266	$pl->save;
		2267	}
		2268	warn "end emergency player save\n";
		2269
		2270	warn "begin emergency map save\n";
		2271	for my $path (keys %cf::MAP) {
		2272	my $map = $cf::MAP{$path} or next;
		2273	$map->valid or next;
		2274	$map->save;
		2275	}
		2276	warn "end emergency map save\n";
		2277	};
		2278
		2279	warn "leave emergency perl save\n";
		2280	}
2021		2281
2022	sub reload() {	2282	sub reload() {
2023	# can/must only be called in main	2283	# can/must only be called in main
2024	if ($Coro::current != $Coro::main) {	2284	if ($Coro::current != $Coro::main) {
2025	warn "can only reload from main coroutine\n";	2285	warn "can only reload from main coroutine\n";
2026	return;	2286	return;
2027	}	2287	}
2028		2288
2029	warn "reloading...";	2289	warn "reloading...";
2030		2290
		2291	warn "freezing server";
2031	my $guard = freeze_mainloop;	2292	my $guard = freeze_mainloop;
2032	cf::emergency_save;	2293	cf::emergency_save;
2033		2294
		2295	warn "sync database to disk";
		2296	cf::db_sync;
		2297	IO::AIO::flush;
		2298
2034	eval {	2299	eval {
2035	# if anything goes wrong in here, we should simply crash as we already saved	2300	# if anything goes wrong in here, we should simply crash as we already saved
2036		2301
2037	# cancel all watchers	2302	warn "cancel all watchers";
2038	for (Event::all_watchers) {	2303	for (Event::all_watchers) {
2039	$_->cancel if $_->data & WF_AUTOCANCEL;	2304	$_->cancel if $_->data & WF_AUTOCANCEL;
2040	}	2305	}
2041		2306
2042	# cancel all extension coros	2307	warn "cancel all extension coros";
2043	$_->cancel for values %EXT_CORO;	2308	$_->cancel for values %EXT_CORO;
2044	%EXT_CORO = ();	2309	%EXT_CORO = ();
2045		2310
		2311	warn "remove commands";
		2312	%COMMAND = ();
		2313
		2314	warn "remove ext commands";
		2315	%EXTCMD = ();
		2316
2046	# unload all extensions	2317	warn "unload/nuke all extensions";
2047	for (@exts) {	2318	for my $pkg (@EXTS) {
2048	warn "unloading <$_>";	2319	warn "unloading <$pkg>";
2049	unload_extension $_;	2320
		2321	if (my $cb = $pkg->can ("unload")) {
		2322	eval {
		2323	$cb->($pkg);
		2324	1
		2325	} or warn "$pkg unloaded, but with errors: $@";
2050	}	2326	}
2051		2327
		2328	Symbol::delete_package $pkg;
		2329	}
		2330
2052	# unload all modules loaded from $LIBDIR	2331	warn "unload all perl modules loaded from $LIBDIR";
2053	while (my ($k, $v) = each %INC) {	2332	while (my ($k, $v) = each %INC) {
2054	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2333	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2055		2334
2056	warn "removing <$k>";	2335	warn "removing <$k>";
2057	delete $INC{$k};	2336	delete $INC{$k};
…		…
2064	}	2343	}
2065		2344
2066	Symbol::delete_package $k;	2345	Symbol::delete_package $k;
2067	}	2346	}
2068		2347
2069	# sync database to disk
2070	cf::db_sync;
2071	IO::AIO::flush;
2072
2073	# get rid of safe::, as good as possible	2348	warn "get rid of safe::, as good as possible";
2074	Symbol::delete_package "safe::$_"	2349	Symbol::delete_package "safe::$_"
2075	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2350	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2076		2351
2077	# remove register_script_function callbacks
2078	# TODO
2079
2080	# unload cf.pm "a bit"	2352	warn "unload cf.pm \"a bit\"";
2081	delete $INC{"cf.pm"};	2353	delete $INC{"cf.pm"};
2082		2354
2083	# don't, removes xs symbols, too,	2355	# don't, removes xs symbols, too,
2084	# and global variables created in xs	2356	# and global variables created in xs
2085	#Symbol::delete_package __PACKAGE__;	2357	#Symbol::delete_package __PACKAGE__;
2086		2358
2087	# reload cf.pm
2088	warn "reloading cf.pm";	2359	warn "reloading cf.pm";
2089	require cf;	2360	require cf;
2090	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2361	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2091		2362
2092	# load config and database again	2363	warn "load config and database again";
2093	cf::cfg_load;	2364	cf::cfg_load;
2094	cf::db_load;	2365	cf::db_load;
2095		2366
2096	# load extensions
2097	warn "load extensions";	2367	warn "load extensions";
2098	cf::load_extensions;	2368	cf::load_extensions;
2099		2369
2100	# reattach attachments to objects	2370	warn "reattach attachments to objects/players";
2101	warn "reattach";
2102	_global_reattach;	2371	_global_reattach;
		2372	warn "reattach attachments to maps";
		2373	reattach $_ for values %MAP;
2103	};	2374	};
2104		2375
2105	if ($@) {	2376	if ($@) {
2106	warn $@;	2377	warn $@;
2107	warn "error while reloading, exiting.";	2378	warn "error while reloading, exiting.";
2108	exit 1;	2379	exit 1;
2109	}	2380	}
2110		2381
2111	warn "reloaded successfully";	2382	warn "reloaded";
2112	};	2383	};
2113		2384
2114	#############################################################################	2385	#############################################################################
2115		2386
2116	unless ($LINK_MAP) {	2387	unless ($LINK_MAP) {
…		…
2123	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";	2394	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2124	$LINK_MAP->in_memory (MAP_IN_MEMORY);	2395	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2125		2396
2126	# dirty hack because... archetypes are not yet loaded	2397	# dirty hack because... archetypes are not yet loaded
2127	Event->timer (	2398	Event->timer (
2128	after => 2,	2399	after => 10,
2129	cb => sub {	2400	cb => sub {
2130	$_[0]->w->cancel;	2401	$_[0]->w->cancel;
2131		2402
2132	# provide some exits "home"	2403	# provide some exits "home"
2133	my $exit = cf::object::new "exit";	2404	my $exit = cf::object::new "exit";
…		…
2151	$LINK_MAP->{deny_save} = 1;	2422	$LINK_MAP->{deny_save} = 1;
2152	$LINK_MAP->{deny_reset} = 1;	2423	$LINK_MAP->{deny_reset} = 1;
2153		2424
2154	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;	2425	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2155	}	2426	}
2156
2157	register "<global>", __PACKAGE__;
2158		2427
2159	register_command "reload" => sub {	2428	register_command "reload" => sub {
2160	my ($who, $arg) = @_;	2429	my ($who, $arg) = @_;
2161		2430
2162	if ($who->flag (FLAG_WIZ)) {	2431	if ($who->flag (FLAG_WIZ)) {
…		…
2175	data => WF_AUTOCANCEL,	2444	data => WF_AUTOCANCEL,
2176	cb => sub {	2445	cb => sub {
2177	cf::server_tick; # one server iteration	2446	cf::server_tick; # one server iteration
2178	$RUNTIME += $TICK;	2447	$RUNTIME += $TICK;
2179	$NEXT_TICK += $TICK;	2448	$NEXT_TICK += $TICK;
		2449
		2450	$WAIT_FOR_TICK->broadcast;
		2451	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2180		2452
2181	# if we are delayed by four ticks or more, skip them all	2453	# if we are delayed by four ticks or more, skip them all
2182	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2454	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2183		2455
2184	$TICK_WATCHER->at ($NEXT_TICK);	2456	$TICK_WATCHER->at ($NEXT_TICK);

Diff Legend

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

Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.136 by root, Fri Jan 5 01:06:28 2007 UTC vs. Revision 1.159 by root, Wed Jan 10 22:50:12 2007 UTC

Diff Legend

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.136 by root, Fri Jan 5 01:06:28 2007 UTC vs.
Revision 1.159 by root, Wed Jan 10 22:50:12 2007 UTC