[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 1.159 by root, Wed Jan 10 22:50:12 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 = ();
		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 $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	59	our $RANDOM_MAPS = cf::localdir . "/random";
56	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;
57		63
58	binmode STDOUT;	64	binmode STDOUT;
59	binmode STDERR;	65	binmode STDERR;
60		66
61	# read virtual server time, if available	67	# read virtual server time, if available
…		…
71	mkdir cf::localdir . "/" . cf::uniquedir;	77	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	78	mkdir $RANDOM_MAPS;
73		79
74	# a special map that is always available	80	# a special map that is always available
75	our $LINK_MAP;	81	our $LINK_MAP;
76		82	our $EMERGENCY_POSITION;
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} \|\| ["/world/world_105_115", 5, 37];
78		83
79	#############################################################################	84	#############################################################################
80		85
81	=head2 GLOBAL VARIABLES	86	=head2 GLOBAL VARIABLES
82		87
…		…
106		111
107	=item %cf::CFG	112	=item %cf::CFG
108		113
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	114	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	115	from wherever your confdir points to.
		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.
111		123
112	=back	124	=back
113		125
114	=cut	126	=cut
115		127
…		…
119	utf8::encode $msg;	131	utf8::encode $msg;
120		132
121	$msg .= "\n"	133	$msg .= "\n"
122	unless $msg =~ /\n$/;	134	unless $msg =~ /\n$/;
123		135
124	LOG llevError, "cfperl: $msg";	136	LOG llevError, $msg;
125	};	137	};
126	}	138	}
127		139
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	140	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	141	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		159
148	$Event::DIED = sub {	160	$Event::DIED = sub {
149	warn "error in event callback: @_";	161	warn "error in event callback: @_";
150	};	162	};
151		163
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	164	=head2 UTILITY FUNCTIONS
157		165
158	=over 4	166	=over 4
159		167
		168	=item dumpval $ref
		169
160	=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	}
161		190
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	191	use JSON::Syck (); # TODO# replace by JSON::PC once working
163		192
164	=item $ref = cf::from_json $json	193	=item $ref = cf::from_json $json
165		194
…		…
181	sub to_json($) {	210	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	211	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	212	JSON::Syck::Dump $_[0]
184	}	213	}
185		214
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	215	=item cf::lock_wait $string
209		216
210	Wait until the given lock is available. See cf::lock_acquire.	217	Wait until the given lock is available. See cf::lock_acquire.
211		218
212	=item my $lock = cf::lock_acquire $string	219	=item my $lock = cf::lock_acquire $string
213		220
214	Wait until the given lock is available and then acquires it and returns	221	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,	222	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	223	for example when the coroutine gets canceled), the lock is automatically
217	returned.	224	returned.
218		225
219	Lock names should begin with a unique identifier (for example, find_map	226	Lock names should begin with a unique identifier (for example, cf::map::find
220	uses map_find and load_map uses map_load).	227	uses map_find and cf::map::load uses map_load).
221		228
222	=cut	229	=cut
223		230
224	our %LOCK;	231	our %LOCK;
225		232
…		…
239	# wait, to be sure we are not locked	246	# wait, to be sure we are not locked
240	lock_wait $key;	247	lock_wait $key;
241		248
242	$LOCK{$key} = [];	249	$LOCK{$key} = [];
243		250
244	cf::guard {	251	Coro::guard {
245	# wake up all waiters, to be on the safe side	252	# wake up all waiters, to be on the safe side
246	$_->ready for @{ delete $LOCK{$key} };	253	$_->ready for @{ delete $LOCK{$key} };
247	}	254	}
248	}	255	}
		256
		257	sub freeze_mainloop {
		258	return unless $TICK_WATCHER->is_active;
		259
		260	my $guard = Coro::guard { $TICK_WATCHER->start };
		261	$TICK_WATCHER->stop;
		262	$guard
		263	}
		264
		265	=item cf::async { BLOCK }
		266
		267	Currently the same as Coro::async_pool, meaning you cannot use
		268	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		269	thing you are allowed to do is call C<prio> on it.
		270
		271	=cut
		272
		273	BEGIN { *async = \&Coro::async_pool }
249		274
250	=item cf::sync_job { BLOCK }	275	=item cf::sync_job { BLOCK }
251		276
252	The design of crossfire+ requires that the main coro ($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
…		…
267	# this is the main coro, too bad, we have to block	292	# this is the main coro, too bad, we have to block
268	# till the operation succeeds, freezing the server :/	293	# till the operation succeeds, freezing the server :/
269		294
270	# TODO: use suspend/resume instead	295	# TODO: use suspend/resume instead
271	# (but this is cancel-safe)	296	# (but this is cancel-safe)
272	local $FREEZE = 1;	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; $coro = async {	330	my $coro = &Coro::async ($cb);
307	eval {
308	$cb->();
309	};
310	warn $@ if $@;
311	};
312		331
313	$coro->on_destroy (sub {	332	$coro->on_destroy (sub {
314	delete $EXT_CORO{$coro+0};	333	delete $EXT_CORO{$coro+0};
315	});	334	});
316	$EXT_CORO{$coro+0} = $coro;	335	$EXT_CORO{$coro+0} = $coro;
…		…
345	=cut	364	=cut
346		365
347	#############################################################################	366	#############################################################################
348		367
349	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 $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
350		375
351	sub new {	376	sub new {
352	my ($class, $path, $base) = @_;	377	my ($class, $path, $base) = @_;
353		378
354	$path = $path->as_string if ref $path;	379	$path = $path->as_string if ref $path;
…		…
360	# ?random/... random maps	385	# ?random/... random maps
361	# /! non-realised random map exit	386	# /! non-realised random map exit
362	# /... normal maps	387	# /... normal maps
363	# ~/... per-player maps without a specific player (DO NOT USE)	388	# ~/... per-player maps without a specific player (DO NOT USE)
364	# ~user/... per-player map of a specific user	389	# ~user/... per-player map of a specific user
		390
		391	$path =~ s/$PATH_SEP/\//go;
365		392
366	if ($path =~ /^{/) {	393	if ($path =~ /^{/) {
367	# fine as it is	394	# fine as it is
368	} elsif ($path =~ s{^\?random/}{}) {	395	} elsif ($path =~ s{^\?random/}{}) {
369	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;	396	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
…		…
418	# }	445	# }
419	}	446	}
420		447
421	# escape the /'s in the path	448	# escape the /'s in the path
422	sub _escaped_path {	449	sub _escaped_path {
423	# ∕ is U+2215
424	(my $path = $_[0]{path}) =~ s/\//∕/g;	450	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
425	$path	451	$path
426	}	452	}
427		453
428	# the original (read-only) location	454	# the original (read-only) location
429	sub load_path {	455	sub load_path {
…		…
917	=cut	943	=cut
918		944
919	sub register_extcmd {	945	sub register_extcmd {
920	my ($name, $cb) = @_;	946	my ($name, $cb) = @_;
921		947
922	my $caller = caller;
923	#warn "registering extcmd '$name' to '$caller'";
924
925	$EXTCMD{$name} = [$cb, $caller];	948	$EXTCMD{$name} = $cb;
926	}	949	}
927		950
928	cf::player->attach (	951	cf::player->attach (
929	on_command => sub {	952	on_command => sub {
930	my ($pl, $name, $params) = @_;	953	my ($pl, $name, $params) = @_;
…		…
943		966
944	my $msg = eval { from_json $buf };	967	my $msg = eval { from_json $buf };
945		968
946	if (ref $msg) {	969	if (ref $msg) {
947	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
948	if (my %reply = $cb->[0]->($pl, $msg)) {	971	if (my %reply = $cb->($pl, $msg)) {
949	$pl->ext_reply ($msg->{msgid}, %reply);	972	$pl->ext_reply ($msg->{msgid}, %reply);
950	}	973	}
951	}	974	}
952	} else {	975	} else {
953	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
955		978
956	cf::override;	979	cf::override;
957	},	980	},
958	);	981	);
959		982
960	sub register {
961	my ($base, $pkg) = @_;
962
963	#TODO
964	}
965
966	sub load_extension {	983	sub load_extension {
967	my ($path) = @_;	984	my ($path) = @_;
968		985
969	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
970	my $base = $1;	987	my $base = $1;
…		…
985		1002
986	eval $source	1003	eval $source
987	or die $@ ? "$path: $@\n"	1004	or die $@ ? "$path: $@\n"
988	: "extension disabled.\n";	1005	: "extension disabled.\n";
989		1006
990	push @exts, $pkg;	1007	push @EXTS, $pkg;
991	$ext_pkg{$base} = $pkg;
992
993	# no strict 'refs';
994	# @{"$pkg\::ISA"} = ext::;
995
996	register $base, $pkg;
997	}
998
999	sub unload_extension {
1000	my ($pkg) = @_;
1001
1002	warn "removing extension $pkg\n";
1003
1004	# remove hooks
1005	#TODO
1006	# for my $idx (0 .. $#PLUGIN_EVENT) {
1007	# delete $hook[$idx]{$pkg};
1008	# }
1009
1010	# remove commands
1011	for my $name (keys %COMMAND) {
1012	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1013
1014	if (@cb) {
1015	$COMMAND{$name} = \@cb;
1016	} else {
1017	delete $COMMAND{$name};
1018	}
1019	}
1020
1021	# remove extcmds
1022	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1023	delete $EXTCMD{$name};
1024	}
1025
1026	if (my $cb = $pkg->can ("unload")) {
1027	eval {
1028	$cb->($pkg);
1029	1
1030	} or warn "$pkg unloaded, but with errors: $@";
1031	}
1032
1033	Symbol::delete_package $pkg;
1034	}	1008	}
1035		1009
1036	sub load_extensions {	1010	sub load_extensions {
1037	for my $ext (<$LIBDIR/*.ext>) {	1011	for my $ext (<$LIBDIR/*.ext>) {
1038	next unless -r $ext;	1012	next unless -r $ext;
…		…
1056	};	1030	};
1057		1031
1058	cf::map->attach (prio => -10000, package => cf::mapsupport::);	1032	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1059		1033
1060	#############################################################################	1034	#############################################################################
1061	# load/save perl data associated with player->ob objects
1062
1063	sub all_objects(@) {
1064	@_, map all_objects ($_->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		1035
1084	=head2 CORE EXTENSIONS	1036	=head2 CORE EXTENSIONS
1085		1037
1086	Functions and methods that extend core crossfire objects.	1038	Functions and methods that extend core crossfire objects.
1087		1039
		1040	=cut
		1041
		1042	package cf::player;
		1043
		1044	use Coro::AIO;
		1045
1088	=head3 cf::player	1046	=head3 cf::player
1089		1047
1090	=over 4	1048	=over 4
1091		1049
1092	=item cf::player::exists $login	1050	=item cf::player::find $login
1093		1051
1094	Returns true when the given account exists.	1052	Returns the given player object, loading it if necessary (might block).
1095		1053
1096	=cut	1054	=cut
1097		1055
1098	sub cf::player::exists($) {	1056	sub playerdir($) {
1099	cf::player::find $_[0]	1057	cf::localdir
1100	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[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
1101	}	1202	}
1102		1203
1103	=item $player->ext_reply ($msgid, $msgtype, %msg)	1204	=item $player->ext_reply ($msgid, $msgtype, %msg)
1104		1205
1105	Sends an ext reply to the player.	1206	Sends an ext reply to the player.
1106		1207
1107	=cut	1208	=cut
1108		1209
1109	sub cf::player::ext_reply($$$%) {	1210	sub ext_reply($$$%) {
1110	my ($self, $id, %msg) = @_;	1211	my ($self, $id, %msg) = @_;
1111		1212
1112	$msg{msgid} = $id;	1213	$msg{msgid} = $id;
1113		1214
1114	$self->send ("ext " . to_json \%msg);	1215	$self->send ("ext " . cf::to_json \%msg);
1115	}	1216	}
		1217
		1218	package cf;
1116		1219
1117	=back	1220	=back
1118		1221
1119		1222
1120	=head3 cf::map	1223	=head3 cf::map
…		…
1126	package cf::map;	1229	package cf::map;
1127		1230
1128	use Fcntl;	1231	use Fcntl;
1129	use Coro::AIO;	1232	use Coro::AIO;
1130		1233
1131	our $MAX_RESET = 7200;	1234	our $MAX_RESET = 3600;
1132	our $DEFAULT_RESET = 3600;	1235	our $DEFAULT_RESET = 3000;
1133		1236
1134	sub generate_random_map {	1237	sub generate_random_map {
1135	my ($path, $rmp) = @_;	1238	my ($path, $rmp) = @_;
1136		1239
1137	# mit "rum" bekleckern, nicht	1240	# mit "rum" bekleckern, nicht
…		…
1167	or return;	1270	or return;
1168		1271
1169	my $map = cf::map::new	1272	my $map = cf::map::new
1170	or return;	1273	or return;
1171		1274
		1275	# for better error messages only, will be overwritten
		1276	$map->path ($path);
		1277
1172	$map->load_header ($path)	1278	$map->load_header ($path)
1173	or return;	1279	or return;
1174		1280
1175	$map->{load_path} = $path;	1281	$map->{load_path} = $path;
1176		1282
1177	$map	1283	$map
1178	}	1284	}
1179		1285
		1286	sub find;
1180	sub find_map {	1287	sub find {
1181	my ($path, $origin) = @_;	1288	my ($path, $origin) = @_;
1182		1289
1183	#warn "find_map<$path,$origin>\n";#d#	1290	#warn "find<$path,$origin>\n";#d#
1184		1291
1185	$path = new cf::path $path, $origin && $origin->path;	1292	$path = new cf::path $path, $origin && $origin->path;
1186	my $key = $path->as_string;	1293	my $key = $path->as_string;
1187		1294
1188	cf::lock_wait "map_find:$key";	1295	cf::lock_wait "map_find:$key";
…		…
1191	my $guard = cf::lock_acquire "map_find:$key";	1298	my $guard = cf::lock_acquire "map_find:$key";
1192		1299
1193	# do it the slow way	1300	# do it the slow way
1194	my $map = try_load_header $path->save_path;	1301	my $map = try_load_header $path->save_path;
1195		1302
		1303	Coro::cede;
		1304
1196	if ($map) {	1305	if ($map) {
		1306	$map->last_access ((delete $map->{last_access})
		1307	\|\| $cf::RUNTIME); #d#
1197	# safety	1308	# safety
1198	$map->{instantiate_time} = $cf::RUNTIME	1309	$map->{instantiate_time} = $cf::RUNTIME
1199	if $map->{instantiate_time} > $cf::RUNTIME;	1310	if $map->{instantiate_time} > $cf::RUNTIME;
1200	} else {	1311	} else {
1201	if (my $rmp = $path->random_map_params) {	1312	if (my $rmp = $path->random_map_params) {
…		…
1206		1317
1207	$map or return;	1318	$map or return;
1208		1319
1209	$map->{load_original} = 1;	1320	$map->{load_original} = 1;
1210	$map->{instantiate_time} = $cf::RUNTIME;	1321	$map->{instantiate_time} = $cf::RUNTIME;
		1322	$map->last_access ($cf::RUNTIME);
1211	$map->instantiate;	1323	$map->instantiate;
1212		1324
1213	# per-player maps become, after loading, normal maps	1325	# per-player maps become, after loading, normal maps
1214	$map->per_player (0) if $path->{user_rel};	1326	$map->per_player (0) if $path->{user_rel};
1215	}	1327	}
1216		1328
1217	$map->path ($key);	1329	$map->path ($key);
1218	$map->{path} = $path;	1330	$map->{path} = $path;
1219	$map->{last_save} = $cf::RUNTIME;	1331	$map->{last_save} = $cf::RUNTIME;
1220	$map->last_access ($cf::RUNTIME);	1332
		1333	Coro::cede;
1221		1334
1222	if ($map->should_reset) {	1335	if ($map->should_reset) {
1223	$map->reset;	1336	$map->reset;
1224	undef $guard;	1337	undef $guard;
1225	$map = find_map $path;	1338	$map = find $path
		1339	or return;
1226	}	1340	}
1227		1341
1228	$cf::MAP{$key} = $map	1342	$cf::MAP{$key} = $map
1229	}	1343	}
1230	}	1344	}
…		…
1251	if (aio_open $uniq, O_RDONLY, 0) {	1365	if (aio_open $uniq, O_RDONLY, 0) {
1252	$self->clear_unique_items;	1366	$self->clear_unique_items;
1253	$self->load_objects ($uniq, 0);	1367	$self->load_objects ($uniq, 0);
1254	}	1368	}
1255	}	1369	}
		1370
		1371	Coro::cede;
1256		1372
1257	# now do the right thing for maps	1373	# now do the right thing for maps
1258	$self->link_multipart_objects;	1374	$self->link_multipart_objects;
1259		1375
1260	if ($self->{path}->is_style_map) {	1376	if ($self->{path}->is_style_map) {
…		…
1268	$self->difficulty ($self->estimate_difficulty)	1384	$self->difficulty ($self->estimate_difficulty)
1269	unless $self->difficulty;	1385	unless $self->difficulty;
1270	$self->activate;	1386	$self->activate;
1271	}	1387	}
1272		1388
		1389	Coro::cede;
		1390
1273	$self->in_memory (cf::MAP_IN_MEMORY);	1391	$self->in_memory (cf::MAP_IN_MEMORY);
1274	}	1392	}
1275		1393
1276	sub load_map_sync {	1394	# find and load all maps in the 3x3 area around a map
		1395	sub load_diag {
		1396	my ($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	$neigh->load;
		1415	}
		1416	}
		1417
		1418	sub find_sync {
1277	my ($path, $origin) = @_;	1419	my ($path, $origin) = @_;
1278		1420
1279	#warn "load_map_sync<$path, $origin>\n";#d#	1421	cf::sync_job { find $path, $origin }
		1422	}
1280		1423
1281	cf::sync_job {	1424	sub do_load_sync {
1282	my $map = cf::map::find_map $path, $origin	1425	my ($map) = @_;
		1426
		1427	cf::sync_job { $map->load };
		1428	}
		1429
		1430	our %MAP_PREFETCH;
		1431	our $MAP_PREFETCHER = Coro::async {
		1432	while () {
		1433	while (%MAP_PREFETCH) {
		1434	my $key = each %MAP_PREFETCH
1283	or return;	1435	or next;
		1436	my $path = delete $MAP_PREFETCH{$key};
		1437
		1438	my $map = find $path
		1439	or next;
1284	$map->load;	1440	$map->load;
1285	$map	1441	}
		1442	Coro::schedule;
1286	}	1443	}
		1444	};
		1445
		1446	sub find_async {
		1447	my ($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	$MAP_PREFETCHER->ready;
		1458
		1459	()
1287	}	1460	}
1288		1461
1289	sub save {	1462	sub save {
1290	my ($self) = @_;	1463	my ($self) = @_;
1291		1464
		1465	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1466
1292	$self->{last_save} = $cf::RUNTIME;	1467	$self->{last_save} = $cf::RUNTIME;
1293		1468
1294	return unless $self->dirty;	1469	return unless $self->dirty;
1295		1470
1296	my $save = $self->{path}->save_path; utf8::encode $save;	1471	my $save = $self->{path}->save_path; utf8::encode $save;
1297	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1298		1473
1299	$self->{load_path} = $save;	1474	$self->{load_path} = $save;
1300		1475
1301	return if $self->{deny_save};	1476	return if $self->{deny_save};
		1477
		1478	local $self->{last_access} = $self->last_access;#d#
		1479
		1480	cf::async {
		1481	$_->contr->save for $self->players;
		1482	};
1302		1483
1303	if ($uniq) {	1484	if ($uniq) {
1304	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);	1485	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);
1305	$self->save_objects ($uniq, cf::IO_UNIQUES);	1486	$self->save_objects ($uniq, cf::IO_UNIQUES);
1306	} else {	1487	} else {
…		…
1309	}	1490	}
1310		1491
1311	sub swap_out {	1492	sub swap_out {
1312	my ($self) = @_;	1493	my ($self) = @_;
1313		1494
		1495	# save first because save cedes
		1496	$self->save;
		1497
		1498	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1499
1314	return if $self->players;	1500	return if $self->players;
1315	return if $self->in_memory != cf::MAP_IN_MEMORY;	1501	return if $self->in_memory != cf::MAP_IN_MEMORY;
1316	return if $self->{deny_save};	1502	return if $self->{deny_save};
1317		1503
1318	$self->save;
1319	$self->clear;	1504	$self->clear;
1320	$self->in_memory (cf::MAP_SWAPPED);	1505	$self->in_memory (cf::MAP_SWAPPED);
1321	}	1506	}
1322		1507
1323	sub reset_at {	1508	sub reset_at {
…		…
1361	}	1546	}
1362		1547
1363	sub reset {	1548	sub reset {
1364	my ($self) = @_;	1549	my ($self) = @_;
1365		1550
		1551	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1552
1366	return if $self->players;	1553	return if $self->players;
1367	return if $self->{path}{user_rel};#d#	1554	return if $self->{path}{user_rel};#d#
1368		1555
1369	warn "resetting map ", $self->path;#d#	1556	warn "resetting map ", $self->path;#d#
1370		1557
…		…
1389		1576
1390	sub customise_for {	1577	sub customise_for {
1391	my ($map, $ob) = @_;	1578	my ($map, $ob) = @_;
1392		1579
1393	if ($map->per_player) {	1580	if ($map->per_player) {
1394	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1395	}	1582	}
1396		1583
1397	$map	1584	$map
1398	}	1585	}
1399		1586
1400	sub emergency_save {	1587	=item cf::map::unique_maps
1401	local $cf::FREEZE = 1;
1402		1588
1403	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.
1404		1591
1405	cf::sync_job {	1592	=cut
1406	warn "begin emergency map save\n";	1593
1407	$_->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 $_;
1408	};	1606	}
1409		1607
1410	warn "end emergency map save\n";	1608	\@paths
1411	}	1609	}
1412		1610
1413	package cf;	1611	package cf;
1414		1612
1415	=back	1613	=back
1416		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
1417		1641
1418	=head3 cf::object::player	1642	=head3 cf::object::player
1419		1643
1420	=over 4	1644	=over 4
1421		1645
…		…
1496	my $link_pos = delete $self->{_link_pos};	1720	my $link_pos = delete $self->{_link_pos};
1497		1721
1498	unless ($map) {	1722	unless ($map) {
1499	# restore original map position	1723	# restore original map position
1500	($map, $x, $y) = @{ $link_pos \|\| [] };	1724	($map, $x, $y) = @{ $link_pos \|\| [] };
1501	$map = cf::map::find_map $map;	1725	$map = cf::map::find $map;
1502		1726
1503	unless ($map) {	1727	unless ($map) {
1504	($map, $x, $y) = @$EMERGENCY_POSITION;	1728	($map, $x, $y) = @$EMERGENCY_POSITION;
1505	$map = cf::map::find_map $map	1729	$map = cf::map::find $map
1506	or die "FATAL: cannot load emergency map\n";	1730	or die "FATAL: cannot load emergency map\n";
1507	}	1731	}
1508	}	1732	}
1509		1733
1510	($x, $y) = (-1, -1)	1734	($x, $y) = (-1, -1)
…		…
1513	# use -1 or undef as default coordinates, not 0, 0	1737	# use -1 or undef as default coordinates, not 0, 0
1514	($x, $y) = ($map->enter_x, $map->enter_y)	1738	($x, $y) = ($map->enter_x, $map->enter_y)
1515	if $x <=0 && $y <= 0;	1739	if $x <=0 && $y <= 0;
1516		1740
1517	$map->load;	1741	$map->load;
		1742	$map->load_diag;
1518		1743
		1744	return unless $self->contr->active;
1519	$self->activate_recursive;	1745	$self->activate_recursive;
1520	$self->enter_map ($map, $x, $y);	1746	$self->enter_map ($map, $x, $y);
1521	}	1747	}
1522		1748
1523	cf::player->attach (	1749	cf::player->attach (
…		…
1536		1762
1537	# try to abort aborted map switching on player login :)	1763	# try to abort aborted map switching on player login :)
1538	# should happen only on crashes	1764	# should happen only on crashes
1539	if ($pl->ob->{_link_pos}) {	1765	if ($pl->ob->{_link_pos}) {
1540	$pl->ob->enter_link;	1766	$pl->ob->enter_link;
1541	Coro::async {	1767	(async {
1542	# 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
1543	# 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);
1544	Coro::Timer::sleep 1;	1774	Coro::Timer::sleep 1;
1545	$pl->ob->leave_link;	1775	$pl->ob->leave_link;
1546	};	1776	})->prio (2);
1547	}	1777	}
1548	},	1778	},
1549	);	1779	);
1550		1780
1551	=item $player_object->goto_map ($path, $x, $y)	1781	=item $player_object->goto ($path, $x, $y)
1552		1782
1553	=cut	1783	=cut
1554		1784
1555	sub cf::object::player::goto_map {	1785	sub cf::object::player::goto {
1556	my ($self, $path, $x, $y) = @_;	1786	my ($self, $path, $x, $y) = @_;
1557		1787
		1788	$path = new cf::path $path;
		1789
1558	$self->enter_link;	1790	$self->enter_link;
1559		1791
1560	(Coro::async {	1792	(async {
1561	$path = new cf::path $path;
1562
1563	my $map = cf::map::find_map $path->as_string;	1793	my $map = cf::map::find $path->as_string;
1564	$map = $map->customise_for ($self) if $map;	1794	$map = $map->customise_for ($self) if $map;
1565		1795
1566	# warn "entering ", $map->path, " at ($x, $y)\n"	1796	# warn "entering ", $map->path, " at ($x, $y)\n"
1567	# if $map;	1797	# if $map;
1568		1798
1569	$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);
1570		1800
1571	$self->leave_link ($map, $x, $y);	1801	$self->leave_link ($map, $x, $y);
1572	})->prio (1);	1802	})->prio (1);
1573	}	1803	}
1574		1804
…		…
1627		1857
1628	return unless $self->type == cf::PLAYER;	1858	return unless $self->type == cf::PLAYER;
1629		1859
1630	$self->enter_link;	1860	$self->enter_link;
1631		1861
1632	(Coro::async {	1862	(async {
		1863	$self->deactivate_recursive; # just to be sure
1633	unless (eval {	1864	unless (eval {
1634
1635	prepare_random_map $exit	1865	prepare_random_map $exit
1636	if $exit->slaying eq "/!";	1866	if $exit->slaying eq "/!";
1637		1867
1638	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1868	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1639	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1869	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1640		1870
1641	1;	1871	1;
1642	}) {	1872	}) {
1643	$self->message ("Something went wrong deep within the crossfire server. "	1873	$self->message ("Something went wrong deep within the crossfire server. "
1644	. "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. "
1645	. "Please report this to the dungeon master",	1875	. "Please report this to the dungeon master!",
1646	cf::NDI_UNIQUE \| cf::NDI_RED);	1876	cf::NDI_UNIQUE \| cf::NDI_RED);
1647		1877
1648	warn "ERROR in enter_exit: $@";	1878	warn "ERROR in enter_exit: $@";
1649	$self->leave_link;	1879	$self->leave_link;
1650	}	1880	}
…		…
1701	on_reply => sub {	1931	on_reply => sub {
1702	my ($ns, $msg) = @_;	1932	my ($ns, $msg) = @_;
1703		1933
1704	# this weird shuffling is so that direct followup queries	1934	# this weird shuffling is so that direct followup queries
1705	# get handled first	1935	# get handled first
1706	my $queue = delete $ns->{query_queue};	1936	my $queue = delete $ns->{query_queue}
		1937	or return; # be conservative, not sure how that can happen, but we saw a crash here
1707		1938
1708	(shift @$queue)->[1]->($msg);	1939	(shift @$queue)->[1]->($msg);
1709		1940
1710	push @{ $ns->{query_queue} }, @$queue;	1941	push @{ $ns->{query_queue} }, @$queue;
1711		1942
…		…
1717	}	1948	}
1718	}	1949	}
1719	},	1950	},
1720	);	1951	);
1721		1952
1722	=item $client->coro (\&cb)	1953	=item $client->async (\&cb)
1723		1954
1724	Create a new coroutine, running the specified callback. The coroutine will	1955	Create a new coroutine, running the specified callback. The coroutine will
1725	be automatically cancelled when the client gets destroyed (e.g. on logout,	1956	be automatically cancelled when the client gets destroyed (e.g. on logout,
1726	or loss of connection).	1957	or loss of connection).
1727		1958
1728	=cut	1959	=cut
1729		1960
1730	sub cf::client::coro {	1961	sub cf::client::async {
1731	my ($self, $cb) = @_;	1962	my ($self, $cb) = @_;
1732		1963
1733	my $coro; $coro = async {	1964	my $coro = &Coro::async ($cb);
1734	eval {
1735	$cb->();
1736	};
1737	warn $@ if $@;
1738	};
1739		1965
1740	$coro->on_destroy (sub {	1966	$coro->on_destroy (sub {
1741	delete $self->{_coro}{$coro+0};	1967	delete $self->{_coro}{$coro+0};
1742	});	1968	});
1743		1969
…		…
1978	open my $fh, "<:utf8", cf::confdir . "/config"	2204	open my $fh, "<:utf8", cf::confdir . "/config"
1979	or return;	2205	or return;
1980		2206
1981	local $/;	2207	local $/;
1982	*CFG = YAML::Syck::Load <$fh>;	2208	*CFG = YAML::Syck::Load <$fh>;
		2209
		2210	$EMERGENCY_POSITION = $CFG{emergency_position} \|\| ["/world/world_105_115", 5, 37];
		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
		2215	if (exists $CFG{mlockall}) {
		2216	eval {
		2217	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2218	and die "WARNING: m(un)lockall failed: $!\n";
		2219	};
		2220	warn $@ if $@;
		2221	}
1983	}	2222	}
1984		2223
1985	sub main {	2224	sub main {
1986	# we must not ever block the main coroutine	2225	# we must not ever block the main coroutine
1987	local $Coro::idle = sub {	2226	local $Coro::idle = sub {
1988	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#
1989	(Coro::unblock_sub {
1990	Event::one_event;	2228	async { Event::one_event };
1991	})->();
1992	};	2229	};
1993		2230
1994	cfg_load;	2231	cfg_load;
1995	db_load;	2232	db_load;
1996	load_extensions;	2233	load_extensions;
1997	Event::loop;	2234	Event::loop;
1998	}	2235	}
1999		2236
2000	#############################################################################	2237	#############################################################################
2001	# 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	$map->save;
		2275	}
		2276	warn "end emergency map save\n";
		2277	};
		2278
		2279	warn "leave emergency perl save\n";
		2280	}
2002		2281
2003	sub reload() {	2282	sub reload() {
2004	# can/must only be called in main	2283	# can/must only be called in main
2005	if ($Coro::current != $Coro::main) {	2284	if ($Coro::current != $Coro::main) {
2006	warn "can only reload from main coroutine\n";	2285	warn "can only reload from main coroutine\n";
2007	return;	2286	return;
2008	}	2287	}
2009		2288
2010	warn "reloading...";	2289	warn "reloading...";
2011		2290
2012	local $FREEZE = 1;	2291	warn "freezing server";
		2292	my $guard = freeze_mainloop;
2013	cf::emergency_save;	2293	cf::emergency_save;
		2294
		2295	warn "sync database to disk";
		2296	cf::db_sync;
		2297	IO::AIO::flush;
2014		2298
2015	eval {	2299	eval {
2016	# 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
2017		2301
2018	# cancel all watchers	2302	warn "cancel all watchers";
2019	for (Event::all_watchers) {	2303	for (Event::all_watchers) {
2020	$_->cancel if $_->data & WF_AUTOCANCEL;	2304	$_->cancel if $_->data & WF_AUTOCANCEL;
2021	}	2305	}
2022		2306
2023	# cancel all extension coros	2307	warn "cancel all extension coros";
2024	$_->cancel for values %EXT_CORO;	2308	$_->cancel for values %EXT_CORO;
2025	%EXT_CORO = ();	2309	%EXT_CORO = ();
2026		2310
		2311	warn "remove commands";
		2312	%COMMAND = ();
		2313
		2314	warn "remove ext commands";
		2315	%EXTCMD = ();
		2316
2027	# unload all extensions	2317	warn "unload/nuke all extensions";
2028	for (@exts) {	2318	for my $pkg (@EXTS) {
2029	warn "unloading <$_>";	2319	warn "unloading <$pkg>";
2030	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: $@";
2031	}	2326	}
2032		2327
		2328	Symbol::delete_package $pkg;
		2329	}
		2330
2033	# unload all modules loaded from $LIBDIR	2331	warn "unload all perl modules loaded from $LIBDIR";
2034	while (my ($k, $v) = each %INC) {	2332	while (my ($k, $v) = each %INC) {
2035	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2333	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2036		2334
2037	warn "removing <$k>";	2335	warn "removing <$k>";
2038	delete $INC{$k};	2336	delete $INC{$k};
…		…
2045	}	2343	}
2046		2344
2047	Symbol::delete_package $k;	2345	Symbol::delete_package $k;
2048	}	2346	}
2049		2347
2050	# sync database to disk
2051	cf::db_sync;
2052	IO::AIO::flush;
2053
2054	# get rid of safe::, as good as possible	2348	warn "get rid of safe::, as good as possible";
2055	Symbol::delete_package "safe::$_"	2349	Symbol::delete_package "safe::$_"
2056	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);
2057		2351
2058	# remove register_script_function callbacks
2059	# TODO
2060
2061	# unload cf.pm "a bit"	2352	warn "unload cf.pm \"a bit\"";
2062	delete $INC{"cf.pm"};	2353	delete $INC{"cf.pm"};
2063		2354
2064	# don't, removes xs symbols, too,	2355	# don't, removes xs symbols, too,
2065	# and global variables created in xs	2356	# and global variables created in xs
2066	#Symbol::delete_package __PACKAGE__;	2357	#Symbol::delete_package __PACKAGE__;
2067		2358
2068	# reload cf.pm
2069	warn "reloading cf.pm";	2359	warn "reloading cf.pm";
2070	require cf;	2360	require cf;
2071	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2361	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2072		2362
2073	# load config and database again	2363	warn "load config and database again";
2074	cf::cfg_load;	2364	cf::cfg_load;
2075	cf::db_load;	2365	cf::db_load;
2076		2366
2077	# load extensions
2078	warn "load extensions";	2367	warn "load extensions";
2079	cf::load_extensions;	2368	cf::load_extensions;
2080		2369
2081	# reattach attachments to objects	2370	warn "reattach attachments to objects/players";
2082	warn "reattach";
2083	_global_reattach;	2371	_global_reattach;
		2372	warn "reattach attachments to maps";
		2373	reattach $_ for values %MAP;
2084	};	2374	};
2085		2375
2086	if ($@) {	2376	if ($@) {
2087	warn $@;	2377	warn $@;
2088	warn "error while reloading, exiting.";	2378	warn "error while reloading, exiting.";
2089	exit 1;	2379	exit 1;
2090	}	2380	}
2091		2381
2092	warn "reloaded successfully";	2382	warn "reloaded";
2093	};	2383	};
2094		2384
2095	#############################################################################	2385	#############################################################################
2096		2386
2097	unless ($LINK_MAP) {	2387	unless ($LINK_MAP) {
…		…
2104	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";	2394	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2105	$LINK_MAP->in_memory (MAP_IN_MEMORY);	2395	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2106		2396
2107	# dirty hack because... archetypes are not yet loaded	2397	# dirty hack because... archetypes are not yet loaded
2108	Event->timer (	2398	Event->timer (
2109	after => 2,	2399	after => 10,
2110	cb => sub {	2400	cb => sub {
2111	$_[0]->w->cancel;	2401	$_[0]->w->cancel;
2112		2402
2113	# provide some exits "home"	2403	# provide some exits "home"
2114	my $exit = cf::object::new "exit";	2404	my $exit = cf::object::new "exit";
…		…
2133	$LINK_MAP->{deny_reset} = 1;	2423	$LINK_MAP->{deny_reset} = 1;
2134		2424
2135	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;	2425	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2136	}	2426	}
2137		2427
2138	register "<global>", __PACKAGE__;
2139
2140	register_command "reload" => sub {	2428	register_command "reload" => sub {
2141	my ($who, $arg) = @_;	2429	my ($who, $arg) = @_;
2142		2430
2143	if ($who->flag (FLAG_WIZ)) {	2431	if ($who->flag (FLAG_WIZ)) {
2144	$who->message ("start of reload.");	2432	$who->message ("start of reload.");
…		…
2153	reentrant => 0,	2441	reentrant => 0,
2154	prio => 0,	2442	prio => 0,
2155	at => $NEXT_TICK \|\| $TICK,	2443	at => $NEXT_TICK \|\| $TICK,
2156	data => WF_AUTOCANCEL,	2444	data => WF_AUTOCANCEL,
2157	cb => sub {	2445	cb => sub {
2158	unless ($FREEZE) {
2159	cf::server_tick; # one server iteration	2446	cf::server_tick; # one server iteration
2160	$RUNTIME += $TICK;	2447	$RUNTIME += $TICK;
2161	}
2162
2163	$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;
2164		2452
2165	# 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
2166	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2454	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2167		2455
2168	$TICK_WATCHER->at ($NEXT_TICK);	2456	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2190	or warn "ERROR: unable to write runtime file: $!";	2478	or warn "ERROR: unable to write runtime file: $!";
2191	})->();	2479	})->();
2192	},	2480	},
2193	);	2481	);
2194		2482
		2483	END { cf::emergency_save }
		2484
2195	1	2485	1
2196		2486

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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 1.159 by root, Wed Jan 10 22:50:12 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 1.159 by root, Wed Jan 10 22:50:12 2007 UTC